1908 files changed, 289948 insertions, 13378 deletions

diff --git a/.gitignore b/.gitignore
index 617842941e..0b97b545d1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,19 +7,9105 @@ ncscope.out
 cscope.in.out
 cscope.po.out
 .make.state*
+*.o
+*.po
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+*.so.1
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+/closed
+/illumos.sh
 /log
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+/on-closed-bins-nd.i386.tar.bz2
+/on-closed-bins.i386.tar.bz2
 /packages
 /proto
 /webrev
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+usr/src/tools/ctf/stabs/i386/ctfstabs
+usr/src/tools/cw/cw
+usr/src/tools/elfextract/elfextract
+usr/src/tools/elfsign/elfsign
+usr/src/tools/elfsign/elfsigncmp
+usr/src/tools/env/developer
+usr/src/tools/env/gatekeeper
+usr/src/tools/env/illumos
+usr/src/tools/findunref/exception_list
+usr/src/tools/findunref/findunref
+usr/src/tools/gk/cshrc
+usr/src/tools/gk/gen_make.machines
+usr/src/tools/gk/login
+usr/src/tools/install-i386.out
+usr/src/tools/install.bin/install.bin
+usr/src/tools/lintdump/lintdump
+usr/src/tools/mbh_patch/mbh_patch
+usr/src/tools/ndrgen/ndrgen
+usr/src/tools/ndrgen/ndrgen1
+usr/src/tools/ndrgen/y.tab.c
+usr/src/tools/ndrgen/y.tab.h
+usr/src/tools/pmodes/pmodes
+usr/src/tools/proto/
+usr/src/tools/protocmp/protocmp
+usr/src/tools/protolist/protolist
+usr/src/tools/scripts/Install
+usr/src/tools/scripts/bindrop
+usr/src/tools/scripts/bldenv
+usr/src/tools/scripts/bldenv.1
+usr/src/tools/scripts/bringovercheck
+usr/src/tools/scripts/build_cscope
+usr/src/tools/scripts/cddlchk
+usr/src/tools/scripts/check_rtime
+usr/src/tools/scripts/checkpaths
+usr/src/tools/scripts/checkproto
+usr/src/tools/scripts/copyrightchk
+usr/src/tools/scripts/cryptodrop
+usr/src/tools/scripts/cstyle
+usr/src/tools/scripts/elfcmp
+usr/src/tools/scripts/find_elf
+usr/src/tools/scripts/flg.flp
+usr/src/tools/scripts/genoffsets
+usr/src/tools/scripts/git-active
+usr/src/tools/scripts/hdrchk
+usr/src/tools/scripts/hg-active
+usr/src/tools/scripts/hgsetup
+usr/src/tools/scripts/interface_check
+usr/src/tools/scripts/interface_cmp
+usr/src/tools/scripts/jstyle
+usr/src/tools/scripts/mapfilechk
+usr/src/tools/scripts/mkreadme_osol
+usr/src/tools/scripts/mktpl
+usr/src/tools/scripts/nightly
+usr/src/tools/scripts/onu
+usr/src/tools/scripts/protocmp.terse
+usr/src/tools/scripts/sccscheck
+usr/src/tools/scripts/validate_flg
+usr/src/tools/scripts/validate_paths
+usr/src/tools/scripts/validate_pkg
+usr/src/tools/scripts/wdiff
+usr/src/tools/scripts/webrev
+usr/src/tools/scripts/which_scm
+usr/src/tools/scripts/ws
+usr/src/tools/scripts/wsdiff
+usr/src/tools/scripts/xref
+usr/src/ucbcmd/basename/basename
+usr/src/ucbcmd/biff/biff
+usr/src/ucbcmd/chown/chown
+usr/src/ucbcmd/df/df
+usr/src/ucbcmd/du/du
+usr/src/ucbcmd/echo/echo
+usr/src/ucbcmd/expr/expr
+usr/src/ucbcmd/fastboot/fastboot
+usr/src/ucbcmd/fasthalt/fasthalt
+usr/src/ucbcmd/file/file
+usr/src/ucbcmd/from/from
+usr/src/ucbcmd/groups/groups
+usr/src/ucbcmd/install.d/installcmd
+usr/src/ucbcmd/ln/ln
+usr/src/ucbcmd/ls/ls
+usr/src/ucbcmd/mkstr/mkstr
+usr/src/ucbcmd/printenv/printenv
+usr/src/ucbcmd/rusage/rusage
+usr/src/ucbcmd/sed/sed
+usr/src/ucbcmd/shutdown/shutdown
+usr/src/ucbcmd/stty/stty
+usr/src/ucbcmd/sum/sum
+usr/src/ucbcmd/test/test
+usr/src/ucbcmd/touch/touch
+usr/src/ucbcmd/tr/tr
+usr/src/ucbcmd/tset/tset
+usr/src/ucbcmd/users/users
+usr/src/ucbcmd/vipw/vipw
+usr/src/ucbcmd/whereis/whereis
+usr/src/ucbcmd/whoami/whoami
+usr/src/uts/common/avs/ns/rdc/rdc_prot.h
+usr/src/uts/common/gssapi/gssd_prot.c
+usr/src/uts/common/gssapi/gssd_prot.h
+usr/src/uts/common/gssapi/gssd_xdr.c
+usr/src/uts/common/idmap/idmap_xdr.c
+usr/src/uts/common/io/fibre-channel/fca/qlc/ql_fw_table.c
+usr/src/uts/common/io/lvm/md/meta_basic_xdr.c
+usr/src/uts/common/io/lvm/md/metamed_xdr.c
+usr/src/uts/common/io/usb/clients/hwa1480_fw/i1480/hwa1480_fw
+usr/src/uts/common/os/priv_const.c
+usr/src/uts/common/rpc/key_prot.h
+usr/src/uts/common/rpc/pmap_prot.h
+usr/src/uts/common/rpc/rpc_sztypes.h
+usr/src/uts/common/rpc/rpcb_prot.h
+usr/src/uts/common/rpcsvc/autofs_prot.h
+usr/src/uts/common/rpcsvc/idmap_prot.h
+usr/src/uts/common/rpcsvc/nsm_addr.h
+usr/src/uts/common/rpcsvc/sm_inter.h
+usr/src/uts/common/sys/lvm/md_basic.h
+usr/src/uts/common/sys/lvm/md_mdiox.h
+usr/src/uts/common/sys/lvm/md_mhdx.h
+usr/src/uts/common/sys/lvm/mdmed.h
+usr/src/uts/common/sys/lvm/mdmn_commd.h
+usr/src/uts/common/sys/priv_const.h
+usr/src/uts/common/sys/priv_names.h
+usr/src/uts/common/sys/usb/usbdevs.h
+usr/src/uts/i86pc/cpu/scripts/ao_gendisp
+usr/src/uts/i86pc/io/acpi/drmach_acpi/drmach_err.c
+usr/src/uts/i86pc/io/acpi/drmach_acpi/sbdgenerr
+usr/src/uts/i86pc/io/dr/dr_err.c
+usr/src/uts/i86pc/io/dr/sbdgenerr
+usr/src/uts/i86pc/unix/multiboot
+usr/src/uts/intel/arcfour/arcfour-x86_64.s
+usr/src/uts/intel/genunix/debug32/
+usr/src/uts/intel/genunix/debug64/
+usr/src/uts/intel/ip/ip.symbols.obj64.diff
+usr/src/uts/intel/ip/ip.symbols.obj64.tmp
+usr/src/uts/intel/ip/ip.symbols.obj64.tmp.new
+usr/src/uts/intel/md5/md5_amd64.s
+usr/src/uts/intel/mwlfw/mw88W8363fw
+usr/src/uts/intel/mwlfw/mwlboot
+usr/src/uts/intel/os/priv_names
+usr/src/uts/intel/sha1/sha1-x86_64.s
+usr/src/uts/intel/sha2/sha256-x86_64.s
+usr/src/uts/intel/sha2/sha512-x86_64.s
+usr/src/uts/intel/sockfs/nl7ctokgen.h
+usr/src/uts/intel/uathfw/uathbin
diff --git a/boot.manifest b/boot.manifest
new file mode 100644
index 0000000000..25915c67c9
--- /dev/null
+++ b/boot.manifest
@@ -0,0 +1,32 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+#
+# This lists the boot-package files that illumos-joyent delivers as part of
+# a build.  These are not part of the platform image but rather the bootable
+# image itself.
+#
+d boot 0755 root sys
+d boot/grub 0755 root sys
+d boot/grub/bin 0755 root sys
+f boot/grub/bin/grub 0755 root sys
+f boot/grub/fat_stage1_5 0644 root sys
+f boot/grub/iso9660_stage1_5 0644 root sys
+f boot/grub/pxegrub 0644 root sys
+f boot/grub/stage1 0644 root sys
+f boot/grub/stage2 0644 root sys
+f boot/grub/stage2_eltorito 0644 root sys
+f boot/grub/ufs_stage1_5 0644 root sys
+f boot/grub/zfs_stage1_5 0644 root sys
diff --git a/exception_lists/cstyle b/exception_lists/cstyle
index 9c66df9ee4..aadf35d05e 100644
--- a/exception_lists/cstyle
+++ b/exception_lists/cstyle
@@ -715,6 +715,7 @@ usr/src/uts/common/gssapi/mechs/krb5/mech/util_validate.c
 usr/src/uts/common/gssapi/mechs/krb5/mech/val_cred.c
 usr/src/uts/common/gssapi/mechs/krb5/mech/verify.c
 usr/src/uts/common/gssapi/mechs/krb5/mech/wrap_size_limit.c
+usr/src/uts/common/inet/ipf/ip_fil_solaris.c
 usr/src/uts/common/io/bnxe/577xx/common/bnxe_clc.c
 usr/src/uts/common/io/bnxe/577xx/drivers/common/ecore/ecore_common.h
 usr/src/uts/common/io/bnxe/577xx/drivers/common/ecore/ecore_init_ops.h
@@ -936,6 +937,26 @@ usr/src/uts/common/io/ixgbe/ixgbe_phy.h
 usr/src/uts/common/io/ixgbe/ixgbe_type.h
 usr/src/uts/common/io/ixgbe/ixgbe_x540.c
 usr/src/uts/common/io/ixgbe/ixgbe_x540.h
+usr/src/uts/common/io/nfp/
+usr/src/uts/common/io/nfp/osif.c
+usr/src/uts/common/io/nfp/nfp.h
+usr/src/uts/common/io/nfp/drvlist.c
+usr/src/uts/common/io/nfp/nfp_ifvers.c
+usr/src/uts/common/io/nfp/i21285.c
+usr/src/uts/common/io/nfp/nfpci.h
+usr/src/uts/common/io/nfp/nfp_error.h
+usr/src/uts/common/io/nfp/i21555.h
+usr/src/uts/common/io/nfp/i21555d.c
+usr/src/uts/common/io/nfp/hostif.c
+usr/src/uts/common/io/nfp/nfp_common.h
+usr/src/uts/common/io/nfp/nfp_osif.h
+usr/src/uts/common/io/nfp/nfdev-solaris.h
+usr/src/uts/common/io/nfp/i21555.c
+usr/src/uts/common/io/nfp/nfp_cmd.h
+usr/src/uts/common/io/nfp/nfp_hostif.h
+usr/src/uts/common/io/nfp/nfdev-common.h
+usr/src/uts/common/io/nfp/autoversion.h
+usr/src/uts/common/io/nfp/i21285.h
 usr/src/uts/common/sys/scsi/adapters/mpt_sas/mpi/mpi2.h
 usr/src/uts/common/sys/scsi/adapters/mpt_sas/mpi/mpi2_cnfg.h
 usr/src/uts/common/sys/scsi/adapters/mpt_sas/mpi/mpi2_hbd.h
@@ -1095,6 +1116,16 @@ usr/src/uts/intel/io/acpica/utilities/utstate.c
 usr/src/uts/intel/io/acpica/utilities/uttrack.c
 usr/src/uts/intel/io/acpica/utilities/utxface.c
 usr/src/uts/intel/io/acpica/utilities/utxferror.c
+usr/src/uts/intel/io/vmxnet/buildNumber.h
+usr/src/uts/intel/io/vmxnet/includeCheck.h
+usr/src/uts/intel/io/vmxnet/net.h
+usr/src/uts/intel/io/vmxnet/net_sg.h
+usr/src/uts/intel/io/vmxnet/vm_basic_types.h
+usr/src/uts/intel/io/vmxnet/vm_device_version.h
+usr/src/uts/intel/io/vmxnet/vmnet_def.h
+usr/src/uts/intel/io/vmxnet/vmxnet.c
+usr/src/uts/intel/io/vmxnet/vmxnet2_def.h
+usr/src/uts/intel/io/vmxnet/vmxnet_def.h
 usr/src/uts/intel/sys/acpi/acapps.h
 usr/src/uts/intel/sys/acpi/accommon.h
 usr/src/uts/intel/sys/acpi/acconfig.h
diff --git a/exception_lists/hdrchk b/exception_lists/hdrchk
index b654bfcdda..60c60a527e 100644
--- a/exception_lists/hdrchk
+++ b/exception_lists/hdrchk
@@ -297,6 +297,18 @@ usr/src/uts/common/io/e1000api/e1000_80003es2lan.h
 usr/src/uts/common/io/e1000api/e1000_manage.h
 usr/src/uts/common/io/e1000api/e1000_i210.h
 usr/src/uts/common/io/ixgbe/ixgbe_common.h
+usr/src/uts/common/io/nfp/nfp.h
+usr/src/uts/common/io/nfp/nfpci.h
+usr/src/uts/common/io/nfp/nfp_error.h
+usr/src/uts/common/io/nfp/i21555.h
+usr/src/uts/common/io/nfp/nfp_common.h
+usr/src/uts/common/io/nfp/nfp_osif.h
+usr/src/uts/common/io/nfp/nfdev-solaris.h
+usr/src/uts/common/io/nfp/nfp_cmd.h
+usr/src/uts/common/io/nfp/nfp_hostif.h
+usr/src/uts/common/io/nfp/nfdev-common.h
+usr/src/uts/common/io/nfp/autoversion.h
+usr/src/uts/common/io/nfp/i21285.h
 usr/src/uts/common/sys/scsi/adapters/mpt_sas/mpi/mpi2.h
 usr/src/uts/common/sys/scsi/adapters/mpt_sas/mpi/mpi2_cnfg.h
 usr/src/uts/common/sys/scsi/adapters/mpt_sas/mpi/mpi2_hbd.h
diff --git a/mancheck.conf b/mancheck.conf
new file mode 100644
index 0000000000..193366073f
--- /dev/null
+++ b/mancheck.conf
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+ *
+ * mancheck configuration files must comply with the rules detailed in:
+ *
+ *	smartos-live.git :: tools/mancheck/README.md
+ *
+ * You should not be making modifications here until you've read the most
+ * current copy of that file.  If you need help, contact a gatekeeper for
+ * guidance.
+ */
+
++section "2*";
+-page "__sparc_utrap_install.2";
+
++section "3*";
+-section "3iscsit";
+-section "3papi";
+-section "3tsol";
+-section "3tnf";
+-section "3perl";
+-section "3rsm";
+
+-page "libtsol.3lib";
+-page "libtsnet.3lib";
+-page "librsm.3lib";
+-page "libpapi.3lib";
+
++section "4*";
+-page "volume-defaults.4";
+-page "md.cf.4";
+-page "wanboot.conf.4";
+
++section "5*";
+-page "pkcs11_tpm.5";
+-page "hal.5";
+-page "pam_tsol_account.5";
+-page "trusted_extensions.5";
+
++section "7*";
+-section "7d";
+
+/*
+ * These pages are for interfaces we do not really ship or
+ * support:
+ */
+-page "dsp.7i";
+-page "mixer.7i";
+-page "audio.7i";
+-page "agpgart_io.7i";
+-page "ibmf.7";
+
++section "9*";
diff --git a/manifest b/manifest
new file mode 100644
index 0000000000..420947590a
--- /dev/null
+++ b/manifest
@@ -0,0 +1,20142 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2015, Joyent, Inc. All rights reserved.
+#
+# This lists all the files that illumos-joyent delivers as part of a build.
+# Keep this sorted as by LC_ALL=C sort -u -k2.
+#
+s bin=usr/bin
+d boot 0755 root sys
+d boot/acpi 0755 root sys
+d boot/acpi/tables 0755 root sys
+d boot/solaris 0755 root sys
+f boot/solaris/bootenv.rc 0644 root root
+d boot/solaris/devicedb 0755 root sys
+f boot/solaris/devicedb/master 0644 root sys
+d dev 0755 root sys
+s dev/allkmem=../devices/pseudo/mm@0:allkmem
+s dev/arp=../devices/pseudo/arp@0:arp
+s dev/bl=../devices/pseudo/bl@0:bl
+s dev/bpf=../devices/pseudo/bpf@0:bpf
+s dev/bridgectl=../devices/pseudo/clone@0:bridge
+s dev/conslog=../devices/pseudo/log@0:conslog
+s dev/console=../devices/pseudo/cn@0:console
+d dev/cpu 0755 root root
+d dev/cpu/self 0755 root root
+s dev/cpu/self/cpuid=../../../devices/pseudo/cpuid@0:self
+s dev/crypto=../devices/pseudo/crypto@0:crypto
+s dev/cryptoadm=../devices/pseudo/cryptoadm@0:cryptoadm
+s dev/dld=../devices/pseudo/dld@0:ctl
+d dev/dtrace 0755 root root
+d dev/dtrace/provider 0755 root root
+s dev/dtrace/provider/dcpc=../../../devices/pseudo/dcpc@0:dcpc
+s dev/dtrace/provider/fasttrap=../../../devices/pseudo/fasttrap@0:fasttrap
+s dev/dtrace/provider/fbt=../../../devices/pseudo/fbt@0:fbt
+s dev/dtrace/provider/lockstat=../../../devices/pseudo/lockstat@0:lockstat
+s dev/dtrace/provider/profile=../../../devices/pseudo/profile@0:profile
+s dev/dtrace/provider/sdt=../../../devices/pseudo/sdt@0:sdt
+s dev/dtrace/provider/systrace=../../../devices/pseudo/systrace@0:systrace
+s dev/dump=../devices/pseudo/dump@0:dump
+d dev/fd 0555 root root
+s dev/fm=../devices/pseudo/fm@0:fm
+s dev/fssnapctl=../devices/pseudo/fssnap@0:ctl
+s dev/icmp6=../devices/pseudo/icmp6@0:icmp6
+s dev/icmp=../devices/pseudo/icmp@0:icmp
+s dev/igb=../devices/pseudo/clone@0:igb
+s dev/ip6=../devices/pseudo/ip6@0:ip6
+s dev/ip=../devices/pseudo/ip@0:ip
+s dev/ipauth=../devices/pseudo/ipf@0:ipauth
+s dev/ipf=../devices/pseudo/ipf@0:ipf
+s dev/ipl=../devices/pseudo/ipf@0:ipf
+s dev/iplookup=../devices/pseudo/ipf@0:iplookup
+s dev/ipmpstub=../devices/pseudo/dlpistub@0:ipmpstub
+s dev/ipnat=../devices/pseudo/ipf@0:ipnat
+s dev/ipscan=../devices/pseudo/ipf@0:ipscan
+s dev/ipsecah=../devices/pseudo/ipsecah@0:ipsecah
+s dev/ipsecesp=../devices/pseudo/ipsecesp@0:ipsecesp
+s dev/ipstate=../devices/pseudo/ipf@0:ipstate
+s dev/ipsync=../devices/pseudo/ipf@0:ipsync
+s dev/kbd=../devices/pseudo/conskbd@0:kbd
+s dev/keysock=../devices/pseudo/keysock@0:keysock
+s dev/kmdb=../devices/pseudo/kmdb@0:kmdb
+s dev/kmem=../devices/pseudo/mm@0:kmem
+s dev/kssl=../devices/pseudo/kssl@0:kssl
+s dev/kstat=../devices/pseudo/kstat@0:kstat
+s dev/ksyms=../devices/pseudo/ksyms@0:ksyms
+s dev/llc1=../devices/pseudo/clone@0:llc1
+s dev/lo0=../devices/pseudo/ipnet@0:lo0
+s dev/lockstat=../devices/pseudo/lockstat@0:lockstat
+s dev/lofictl=../devices/pseudo/lofi@0:ctl
+s dev/log=../devices/pseudo/log@0:log
+s dev/logindmux=../devices/pseudo/clone@0:logindmux
+s dev/mem=../devices/pseudo/mm@0:mem
+s dev/mouse=../devices/pseudo/consms@0:mouse
+s dev/msglog=../devices/pseudo/sysmsg@0:msglog
+s dev/nsmb=../devices/pseudo/nsmb@0:nsmb
+s dev/null=../devices/pseudo/mm@0:null
+s dev/openprom=../devices/pseudo/openeepr@0:openprom
+s dev/physmem=../devices/pseudo/physmem@0:physmem
+s dev/pm=../devices/pseudo/pm@0:pm
+s dev/poll=../devices/pseudo/poll@0:poll
+s dev/pool=../devices/pseudo/pool@0:pool
+s dev/poolctl=../devices/pseudo/pool@0:poolctl
+s dev/power_button=../devices/pseudo/power@0:power_button
+s dev/ppm=../devices/pseudo/ppm@0:ppm
+s dev/ptmajor=../devices/pseudo/ptm@0:ptmajor
+s dev/ptmx=../devices/pseudo/clone@0:ptm
+s dev/ptyp0=../devices/pseudo/ptc@0:ptyp0
+s dev/ptyp1=../devices/pseudo/ptc@0:ptyp1
+s dev/ptyp2=../devices/pseudo/ptc@0:ptyp2
+s dev/ptyp3=../devices/pseudo/ptc@0:ptyp3
+s dev/ptyp4=../devices/pseudo/ptc@0:ptyp4
+s dev/ptyp5=../devices/pseudo/ptc@0:ptyp5
+s dev/ptyp6=../devices/pseudo/ptc@0:ptyp6
+s dev/ptyp7=../devices/pseudo/ptc@0:ptyp7
+s dev/ptyp8=../devices/pseudo/ptc@0:ptyp8
+s dev/ptyp9=../devices/pseudo/ptc@0:ptyp9
+s dev/ptypa=../devices/pseudo/ptc@0:ptypa
+s dev/ptypb=../devices/pseudo/ptc@0:ptypb
+s dev/ptypc=../devices/pseudo/ptc@0:ptypc
+s dev/ptypd=../devices/pseudo/ptc@0:ptypd
+s dev/ptype=../devices/pseudo/ptc@0:ptype
+s dev/ptypf=../devices/pseudo/ptc@0:ptypf
+s dev/ptyq0=../devices/pseudo/ptc@0:ptyq0
+s dev/ptyq1=../devices/pseudo/ptc@0:ptyq1
+s dev/ptyq2=../devices/pseudo/ptc@0:ptyq2
+s dev/ptyq3=../devices/pseudo/ptc@0:ptyq3
+s dev/ptyq4=../devices/pseudo/ptc@0:ptyq4
+s dev/ptyq5=../devices/pseudo/ptc@0:ptyq5
+s dev/ptyq6=../devices/pseudo/ptc@0:ptyq6
+s dev/ptyq7=../devices/pseudo/ptc@0:ptyq7
+s dev/ptyq8=../devices/pseudo/ptc@0:ptyq8
+s dev/ptyq9=../devices/pseudo/ptc@0:ptyq9
+s dev/ptyqa=../devices/pseudo/ptc@0:ptyqa
+s dev/ptyqb=../devices/pseudo/ptc@0:ptyqb
+s dev/ptyqc=../devices/pseudo/ptc@0:ptyqc
+s dev/ptyqd=../devices/pseudo/ptc@0:ptyqd
+s dev/ptyqe=../devices/pseudo/ptc@0:ptyqe
+s dev/ptyqf=../devices/pseudo/ptc@0:ptyqf
+s dev/ptyr0=../devices/pseudo/ptc@0:ptyr0
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+h usr/bin/amd64/ksh=usr/bin/amd64/ksh93
+f usr/bin/amd64/ld 0755 root bin
+f usr/bin/amd64/ldd 0555 root bin
+f usr/bin/amd64/ls 0555 root bin
+f usr/bin/amd64/mac 0555 root bin
+f usr/bin/amd64/mcs 0555 root bin
+f usr/bin/amd64/mdb 0555 root bin
+f usr/bin/amd64/moe 0555 root bin
+f usr/bin/amd64/newtask 4555 root sys
+f usr/bin/amd64/nohup 0555 root bin
+f usr/bin/amd64/pargs 0555 root bin
+f usr/bin/amd64/pcred 0555 root bin
+f usr/bin/amd64/pfiles 0555 root bin
+f usr/bin/amd64/pflags 0555 root bin
+f usr/bin/amd64/pldd 0555 root bin
+f usr/bin/amd64/plgrp 0555 root bin
+f usr/bin/amd64/plimit 0555 root bin
+f usr/bin/amd64/pmadvise 0555 root bin
+f usr/bin/amd64/pmap 0555 root bin
+f usr/bin/amd64/ppgsz 0555 root bin
+f usr/bin/amd64/ppriv 0555 root bin
+f usr/bin/amd64/prctl 0555 root bin
+f usr/bin/amd64/preap 0555 root bin
+f usr/bin/amd64/prstat 0555 root bin
+f usr/bin/amd64/prun 0555 root bin
+f usr/bin/amd64/ps 0555 root bin
+f usr/bin/amd64/psig 0555 root bin
+f usr/bin/amd64/pstack 0555 root bin
+f usr/bin/amd64/pstop 0555 root bin
+f usr/bin/amd64/ptime 0555 root bin
+f usr/bin/amd64/ptree 0555 root bin
+f usr/bin/amd64/pvs 0555 root bin
+f usr/bin/amd64/pwait 0555 root bin
+f usr/bin/amd64/pwdx 0555 root bin
+h usr/bin/amd64/rksh93=usr/bin/amd64/ksh93
+h usr/bin/amd64/rksh=usr/bin/amd64/ksh93
+f usr/bin/amd64/savecore 0555 root bin
+f usr/bin/amd64/setuname 0555 root bin
+f usr/bin/amd64/sort 0555 root bin
+f usr/bin/amd64/strings 0555 root bin
+f usr/bin/amd64/truss 0555 root bin
+h usr/bin/amd64/uptime=usr/bin/amd64/w
+f usr/bin/amd64/w 4555 root bin
+f usr/bin/amt 0555 root bin
+h usr/bin/apropos=usr/bin/man
+f usr/bin/ar 0555 root bin
+f usr/bin/arch 0555 root bin
+f usr/bin/arcstat 0555 root bin
+f usr/bin/asa 0555 root bin
+f usr/bin/at 4755 root sys
+f usr/bin/atq 4755 root sys
+f usr/bin/atrm 4755 root sys
+f usr/bin/auths 0555 root bin
+h usr/bin/awk=usr/bin/nawk
+f usr/bin/banner 0555 root bin
+f usr/bin/bart 0555 root bin
+f usr/bin/basename 0555 root bin
+f usr/bin/batch 0555 root bin
+f usr/bin/bc 0555 root bin
+f usr/bin/bdiff 0755 root bin
+h usr/bin/bg=usr/bin/alias
+f usr/bin/busstat 0555 root bin
+f usr/bin/cal 0555 root bin
+f usr/bin/calendar 0555 root bin
+f usr/bin/captoinfo 0555 root bin
+f usr/bin/cat 0555 root bin
+h usr/bin/catman=usr/bin/man
+h usr/bin/cd=usr/bin/alias
+f usr/bin/checkeq 0555 root bin
+f usr/bin/checknr 0555 root bin
+f usr/bin/chgrp 0555 root bin
+f usr/bin/chkey 4555 root sys
+f usr/bin/chmod 0555 root bin
+f usr/bin/chown 0555 root bin
+f usr/bin/ckdate 0555 root bin
+f usr/bin/ckgid 0555 root bin
+f usr/bin/ckint 0555 root bin
+f usr/bin/ckitem 0555 root bin
+f usr/bin/ckkeywd 0555 root bin
+f usr/bin/ckpath 0555 root bin
+f usr/bin/ckrange 0555 root bin
+f usr/bin/ckstr 0555 root bin
+h usr/bin/cksum=usr/bin/alias
+f usr/bin/cktime 0555 root bin
+f usr/bin/ckuid 0555 root bin
+f usr/bin/ckyorn 0555 root bin
+f usr/bin/clear 0555 root bin
+h usr/bin/cmp=usr/bin/alias
+f usr/bin/col 0555 root bin
+f usr/bin/column 0555 root bin
+h usr/bin/comm=usr/bin/alias
+h usr/bin/command=usr/bin/alias
+f usr/bin/compress 0555 root bin
+f usr/bin/coreadm 0555 root bin
+f usr/bin/cp 0555 root bin
+f usr/bin/cpio 0555 root bin
+h usr/bin/cputrack=usr/lib/isaexec
+f usr/bin/crle 0555 root bin
+f usr/bin/crontab 4555 root bin
+f usr/bin/crypt 0555 root bin
+f usr/bin/csh 0555 root bin
+f usr/bin/csplit 0555 root bin
+f usr/bin/ctags 0555 root bin
+f usr/bin/ctfdiff 0555 root bin
+f usr/bin/ctfdump 0555 root bin
+f usr/bin/ctrun 0555 root bin
+f usr/bin/ctstat 0555 root bin
+f usr/bin/ctwatch 0555 root bin
+h usr/bin/cut=usr/bin/alias
+f usr/bin/date 0555 root bin
+f usr/bin/dc 0555 root bin
+f usr/bin/dd 0555 root bin
+h usr/bin/decrypt=usr/lib/isaexec
+f usr/bin/deroff 0555 root bin
+f usr/bin/devattr 0555 root bin
+f usr/bin/devfree 0555 root bin
+f usr/bin/devreserv 0555 root bin
+s usr/bin/df=../sbin/df
+f usr/bin/diff 0555 root bin
+f usr/bin/diff3 0555 root bin
+f usr/bin/diffmk 0555 root bin
+h usr/bin/digest=usr/lib/isaexec
+f usr/bin/dircmp 0555 root bin
+f usr/bin/dirname 0555 root bin
+f usr/bin/dis 0555 root bin
+f usr/bin/diskscan 0555 root bin
+h usr/bin/dispgid=usr/bin/ckgid
+h usr/bin/dispuid=usr/bin/ckuid
+s usr/bin/dmesg=../sbin/dmesg
+f usr/bin/dns-sd 0555 root bin
+f usr/bin/domainname 0555 root bin
+f usr/bin/dos2unix 0555 root bin
+f usr/bin/du 0555 root bin
+f usr/bin/dump 0555 root bin
+f usr/bin/dumpcs 0555 root bin
+f usr/bin/dumpkeys 0555 root bin
+f usr/bin/echo 0555 root bin
+f usr/bin/ed 0555 root bin
+f usr/bin/edit 0555 root bin
+f usr/bin/egrep 0555 root bin
+f usr/bin/eject 0555 root bin
+h usr/bin/elfdump=usr/lib/isaexec
+f usr/bin/elfedit 0555 root bin
+f usr/bin/elfsign 0555 root bin
+f usr/bin/elfwrap 0555 root bin
+h usr/bin/encrypt=usr/lib/isaexec
+f usr/bin/enhance 0555 root bin
+f usr/bin/env 0555 root bin
+f usr/bin/eqn 0555 root bin
+f usr/bin/expand 0555 root bin
+f usr/bin/expr 0555 root bin
+f usr/bin/exstr 0555 root bin
+f usr/bin/factor 0555 root bin
+f usr/bin/false 0555 root bin
+h usr/bin/fc=usr/bin/alias
+f usr/bin/fdetach 0555 root bin
+f usr/bin/fdformat 4555 root bin
+h usr/bin/fg=usr/bin/alias
+f usr/bin/fgrep 0555 root bin
+f usr/bin/file 0555 root bin
+f usr/bin/filesync 0555 root bin
+f usr/bin/find 0555 root bin
+f usr/bin/fmt 0555 root bin
+f usr/bin/fmtmsg 0555 root bin
+f usr/bin/fold 0555 root bin
+f usr/bin/fsstat 0555 root bin
+f usr/bin/ftp 0555 root bin
+h usr/bin/gcore=usr/lib/isaexec
+f usr/bin/gencat 0555 root bin
+f usr/bin/geniconvtbl 0555 root bin
+f usr/bin/genmsg 0555 root bin
+f usr/bin/getconf 0555 root bin
+f usr/bin/getdev 0555 root bin
+f usr/bin/getdgrp 0555 root bin
+f usr/bin/getent 0555 root bin
+f usr/bin/getfacl 0555 root bin
+f usr/bin/getopt 0555 root bin
+h usr/bin/getopts=usr/bin/alias
+f usr/bin/gettext 0555 root bin
+f usr/bin/gettxt 0555 root bin
+f usr/bin/getvol 0555 root bin
+f usr/bin/grep 0555 root bin
+f usr/bin/groups 0555 root bin
+h usr/bin/hash=usr/bin/alias
+f usr/bin/head 0555 root bin
+f usr/bin/hostid 0555 root bin
+f usr/bin/hostname 0555 root bin
+h usr/bin/i286=usr/bin/sun
+h usr/bin/i386=usr/bin/sun
+h usr/bin/i486=usr/bin/sun
+d usr/bin/i86 0755 root bin
+f usr/bin/i86/ksh93 0555 root bin
+f usr/bin/i86/mdb 0555 root bin
+h usr/bin/i86pc=usr/bin/sun
+f usr/bin/iconv 0555 root bin
+f usr/bin/id 0555 root bin
+f usr/bin/infocmp 0555 root bin
+f usr/bin/iostat 0555 root bin
+f usr/bin/ipcrm 0555 root bin
+f usr/bin/ipcs 0555 root bin
+f usr/bin/isainfo 0555 root bin
+f usr/bin/isalist 0555 root bin
+h usr/bin/jobs=usr/bin/alias
+h usr/bin/join=usr/bin/alias
+s usr/bin/jsh=ksh93
+f usr/bin/kbd 0555 root bin
+f usr/bin/kdestroy 0555 root bin
+f usr/bin/keylogin 0555 root bin
+f usr/bin/keylogout 0555 root bin
+h usr/bin/kill=usr/bin/alias
+f usr/bin/kinit 0555 root bin
+f usr/bin/klist 0555 root bin
+f usr/bin/kmfcfg 0555 root bin
+f usr/bin/kpasswd 0555 root bin
+f usr/bin/krb5-config 0555 root bin
+h usr/bin/ksh93=usr/lib/isaexec
+h usr/bin/ksh=usr/lib/isaexec
+f usr/bin/kstat 0555 root bin
+f usr/bin/ktutil 0555 root bin
+f usr/bin/kvmstat 0555 root bin
+f usr/bin/last 0555 root bin
+f usr/bin/lastcomm 0555 root bin
+f usr/bin/ld 0755 root bin
+f usr/bin/ldapadd 0555 root bin
+f usr/bin/ldapdelete 0555 root bin
+f usr/bin/ldaplist 0555 root bin
+h usr/bin/ldapmodify=usr/bin/ldapadd
+f usr/bin/ldapmodrdn 0555 root bin
+f usr/bin/ldapsearch 0555 root bin
+f usr/bin/ldd 0555 root bin
+f usr/bin/lgrpinfo 0555 root bin
+f usr/bin/line 0555 root bin
+f usr/bin/listdgrp 0555 root bin
+f usr/bin/listusers 0555 root bin
+h usr/bin/ln=usr/bin/cp
+f usr/bin/loadkeys 0555 root bin
+f usr/bin/locale 0555 root bin
+f usr/bin/logger 0555 root bin
+f usr/bin/login 4555 root bin
+f usr/bin/logins 0750 root bin
+h usr/bin/logname=usr/bin/alias
+f usr/bin/look 0755 root bin
+f usr/bin/lorder 0555 root bin
+# We want ls to be the 32bit binary (not a link to isaexec) so we don't blow
+# out memory sorting entries - we just die if we need too much memory.  This
+# also matches the setup on a stock solaris box.
+f usr/bin/ls 0555 root bin
+f usr/bin/m4 0555 root bin
+h usr/bin/mac=usr/lib/isaexec
+f usr/bin/mach 0555 root bin
+f usr/bin/mail 2511 root mail
+s usr/bin/mailq=../lib/mailwrapper
+f usr/bin/mailx 2511 root mail
+f usr/bin/makedev 0555 root bin
+f usr/bin/man 0555 root bin
+f usr/bin/mandoc 0555 root bin
+f usr/bin/mcs 0555 root bin
+h usr/bin/mdb=usr/lib/isaexec
+f usr/bin/mesg 0555 root bin
+f usr/bin/mkdir 0555 root bin
+f usr/bin/mkfifo 0555 root bin
+f usr/bin/mkmsgs 0555 root root
+f usr/bin/mkpwdict 0555 root bin
+f usr/bin/mktemp 0555 root bin
+f usr/bin/moe 0555 root bin
+f usr/bin/more 0555 root bin
+f usr/bin/mpstat 0555 root bin
+f usr/bin/msgfmt 0555 root bin
+f usr/bin/mt 0555 root bin
+h usr/bin/mv=usr/bin/cp
+f usr/bin/nawk 0555 root bin
+f usr/bin/nc 0555 root bin
+f usr/bin/neqn 0555 root bin
+f usr/bin/netstat 0555 root bin
+f usr/bin/newform 0555 root bin
+f usr/bin/newgrp 4755 root sys
+f usr/bin/news 0555 root bin
+h usr/bin/newtask=usr/lib/isaexec
+f usr/bin/nfsstat 0555 root bin
+f usr/bin/nice 0555 root bin
+f usr/bin/nicstat 0555 root bin
+f usr/bin/nl 0555 root bin
+f usr/bin/nm 0555 root bin
+h usr/bin/nohup=usr/lib/isaexec
+f usr/bin/nroff 0555 root bin
+f usr/bin/od 0555 root bin
+f usr/bin/on 0555 root bin
+f usr/bin/optisa 0555 root bin
+f usr/bin/pack 0555 root bin
+h usr/bin/page=usr/bin/more
+f usr/bin/pagesize 0555 root bin
+h usr/bin/pargs=usr/lib/isaexec
+f usr/bin/passwd 6555 root sys
+h usr/bin/paste=usr/bin/alias
+f usr/bin/pathchk 0555 root bin
+f usr/bin/pax 0555 root bin
+s usr/bin/pcat=unpack
+h usr/bin/pcred=usr/lib/isaexec
+s usr/bin/perl=/opt/local/bin/perl
+h usr/bin/pfbash=usr/bin/pfexec
+h usr/bin/pfcsh=usr/bin/pfexec
+f usr/bin/pfexec 0555 root bin
+h usr/bin/pfiles=usr/lib/isaexec
+h usr/bin/pfksh93=usr/bin/pfexec
+h usr/bin/pfksh=usr/bin/pfexec
+h usr/bin/pflags=usr/lib/isaexec
+h usr/bin/pfrksh93=usr/bin/pfexec
+h usr/bin/pfrksh=usr/bin/pfexec
+h usr/bin/pfsh=usr/bin/pfexec
+h usr/bin/pftcsh=usr/bin/pfexec
+h usr/bin/pfzsh=usr/bin/pfexec
+f usr/bin/pg 0555 root bin
+f usr/bin/pginfo 0555 root bin
+f usr/bin/pgrep 0555 root bin
+f usr/bin/pgstat 0555 root bin
+f usr/bin/pkgtrans 0555 root bin
+h usr/bin/pkill=usr/bin/pgrep
+f usr/bin/pktool 0555 root bin
+h usr/bin/pldd=usr/lib/isaexec
+h usr/bin/plgrp=usr/lib/isaexec
+h usr/bin/plimit=usr/lib/isaexec
+h usr/bin/pmadvise=usr/lib/isaexec
+h usr/bin/pmap=usr/lib/isaexec
+f usr/bin/poolstat 0555 root bin
+h usr/bin/ppgsz=usr/lib/isaexec
+h usr/bin/ppriv=usr/lib/isaexec
+f usr/bin/pr 0555 root bin
+h usr/bin/prctl=usr/lib/isaexec
+h usr/bin/preap=usr/lib/isaexec
+h usr/bin/print=usr/bin/alias
+f usr/bin/printf 0555 root bin
+f usr/bin/priocntl 0555 root bin
+f usr/bin/profiles 0555 root bin
+f usr/bin/projects 0555 root bin
+h usr/bin/prstat=usr/lib/isaexec
+h usr/bin/prun=usr/lib/isaexec
+h usr/bin/ps=usr/lib/isaexec
+h usr/bin/psig=usr/lib/isaexec
+h usr/bin/pstack=usr/lib/isaexec
+h usr/bin/pstop=usr/lib/isaexec
+h usr/bin/ptime=usr/lib/isaexec
+h usr/bin/ptree=usr/lib/isaexec
+f usr/bin/putdev 0555 root bin
+f usr/bin/putdgrp 0555 root bin
+f usr/bin/pvs 0555 root bin
+h usr/bin/pwait=usr/lib/isaexec
+s usr/bin/pwconv=../sbin/pwconv
+f usr/bin/pwd 0555 root bin
+h usr/bin/pwdx=usr/lib/isaexec
+f usr/bin/rcapstat 0555 root bin
+f usr/bin/rcp 4555 root bin
+f usr/bin/rdate 0555 root bin
+f usr/bin/rdist 4555 root bin
+h usr/bin/read=usr/bin/alias
+f usr/bin/red 0555 root bin
+f usr/bin/refer 0555 root bin
+f usr/bin/regcmp 0555 root bin
+s usr/bin/remsh=rsh
+f usr/bin/renice 0555 root bin
+h usr/bin/rev=usr/bin/alias
+h usr/bin/rksh93=usr/lib/isaexec
+h usr/bin/rksh=usr/lib/isaexec
+f usr/bin/rlogin 4555 root bin
+f usr/bin/rm 0555 root bin
+s usr/bin/rmail=mail
+f usr/bin/rmdir 0555 root bin
+f usr/bin/rmformat 0555 root bin
+f usr/bin/roles 0555 root bin
+f usr/bin/rpcinfo 0555 root bin
+f usr/bin/rsh 4555 root bin
+f usr/bin/runat 0555 root bin
+f usr/bin/rup 0555 root bin
+f usr/bin/ruptime 0555 root bin
+f usr/bin/rusers 0555 root bin
+h usr/bin/savecore=usr/lib/isaexec
+f usr/bin/scp 0555 root bin
+f usr/bin/script 0555 root bin
+f usr/bin/sdiff 0555 root bin
+f usr/bin/sed 0555 root bin
+f usr/bin/setfacl 0555 root bin
+f usr/bin/setpgrp 0555 root sys
+h usr/bin/settime=usr/bin/touch
+h usr/bin/setuname=usr/lib/isaexec
+f usr/bin/sftp 0555 root bin
+s usr/bin/sh=ksh93
+f usr/bin/shcomp 0555 root bin
+f usr/bin/size 0555 root bin
+h usr/bin/sleep=usr/bin/alias
+f usr/bin/smbutil 0555 root bin
+f usr/bin/soelim 0555 root bin
+h usr/bin/sort=usr/lib/isaexec
+f usr/bin/sotruss 0755 root bin
+h usr/bin/sparc=usr/bin/sun
+f usr/bin/spell 0555 root bin
+f usr/bin/split 0555 root bin
+f usr/bin/srchtxt 0555 root bin
+f usr/bin/ssh 0555 root bin
+f usr/bin/ssh-add 0555 root bin
+f usr/bin/ssh-agent 0555 root bin
+f usr/bin/ssh-keygen 0555 root bin
+f usr/bin/ssh-keyscan 0555 root bin
+s usr/bin/strace=../sbin/strace
+f usr/bin/strchg 0555 root root
+s usr/bin/strclean=../sbin/strclean
+f usr/bin/strconf 0555 root root
+s usr/bin/strerr=../sbin/strerr
+h usr/bin/strings=usr/lib/isaexec
+f usr/bin/strip 0555 root bin
+f usr/bin/stty 0555 root bin
+f usr/bin/su 4555 root sys
+h usr/bin/sum=usr/bin/alias
+f usr/bin/sun 0555 root bin
+h usr/bin/sun2=usr/bin/sun
+h usr/bin/sun3=usr/bin/sun
+h usr/bin/sun3x=usr/bin/sun
+h usr/bin/sun4=usr/bin/sun
+h usr/bin/sun4c=usr/bin/sun
+h usr/bin/sun4d=usr/bin/sun
+h usr/bin/sun4e=usr/bin/sun
+h usr/bin/sun4m=usr/bin/sun
+f usr/bin/svcprop 0555 root bin
+f usr/bin/svcs 0555 root bin
+s usr/bin/sync=../../sbin/sync
+f usr/bin/ta 0555 root bin
+f usr/bin/tabs 0555 root bin
+f usr/bin/tail 0555 root bin
+s usr/bin/tar=../sbin/tar
+f usr/bin/tbl 0555 root bin
+f usr/bin/tcopy 0555 root bin
+h usr/bin/tee=usr/bin/alias
+f usr/bin/telnet 0555 root bin
+h usr/bin/test=usr/bin/alias
+f usr/bin/tic 0555 root bin
+f usr/bin/time 0555 root bin
+f usr/bin/timex 0555 root bin
+f usr/bin/tip 4511 uucp bin
+f usr/bin/touch 0555 root bin
+f usr/bin/tput 0555 root bin
+f usr/bin/tr 0555 root bin
+f usr/bin/troff 0555 root bin
+f usr/bin/true 0555 root bin
+h usr/bin/truss=usr/lib/isaexec
+f usr/bin/tsort 0555 root bin
+f usr/bin/tty 0555 root bin
+h usr/bin/type=usr/bin/alias
+f usr/bin/tzselect 0555 root bin
+f usr/bin/ul 0555 root bin
+h usr/bin/ulimit=usr/bin/alias
+h usr/bin/umask=usr/bin/alias
+h usr/bin/unalias=usr/bin/alias
+s usr/bin/uname=../../sbin/uname
+f usr/bin/uncompress 0555 root bin
+f usr/bin/unexpand 0555 root bin
+h usr/bin/uniq=usr/bin/alias
+f usr/bin/units 0555 root bin
+f usr/bin/unix2dos 0555 root bin
+f usr/bin/unpack 0555 root bin
+h usr/bin/uptime=usr/lib/isaexec
+f usr/bin/userattr 0555 root bin
+f usr/bin/uudecode 0555 root uucp
+f usr/bin/uuencode 0555 root uucp
+h usr/bin/vedit=usr/bin/edit
+f usr/bin/vfsstat 0555 root bin
+f usr/bin/vgrind 0555 root bin
+f usr/bin/vmstat 0555 root bin
+f usr/bin/vndstat 0555 root bin
+h usr/bin/w=usr/lib/isaexec
+h usr/bin/wait=usr/bin/alias
+h usr/bin/wc=usr/bin/alias
+h usr/bin/whatis=usr/bin/man
+f usr/bin/which 0555 root bin
+f usr/bin/who 0555 root bin
+f usr/bin/whocalls 0755 root bin
+f usr/bin/whois 0555 root bin
+f usr/bin/wracct 0555 root bin
+f usr/bin/write 2555 root tty
+s usr/bin/wtf=man
+f usr/bin/xargs 0555 root bin
+f usr/bin/xgettext 0555 root bin
+f usr/bin/xstr 0555 root bin
+f usr/bin/yes 0555 root bin
+f usr/bin/ypcat 0555 root other
+f usr/bin/ypmatch 0555 root other
+f usr/bin/yppasswd 0555 root bin
+f usr/bin/ypwhich 0555 root other
+f usr/bin/zcat 0555 root bin
+f usr/bin/ziostat 0555 root bin
+s usr/bin/zonename=../../sbin/zonename
+d usr/ccs 0755 root bin
+d usr/ccs/bin 0755 root bin
+d usr/ccs/bin/amd64 0755 root bin
+s usr/ccs/bin/amd64/ld=../../../bin/amd64/ld
+s usr/ccs/bin/ar=../../bin/ar
+s usr/ccs/bin/dump=../../bin/dump
+s usr/ccs/bin/ld=../../bin/ld
+s usr/ccs/bin/m4=../../bin/m4
+s usr/ccs/bin/regcmp=../../bin/regcmp
+d usr/ccs/lib 0755 root bin
+d usr/ccs/lib/amd64 0755 root bin
+s usr/ccs/lib/amd64/libcurses.so.1=../../../../lib/amd64/libcurses.so.1
+s usr/ccs/lib/amd64/libform.so.1=../../../lib/amd64/libform.so.1
+s usr/ccs/lib/amd64/libgen.so.1=../../../../lib/amd64/libgen.so.1
+s usr/ccs/lib/amd64/libl.so.1=../../../lib/amd64/libl.so.1
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+f usr/share/man/man3commputil/sdp_delete_all_field.3commputil 0444 root bin
+s usr/share/man/man3commputil/sdp_delete_all_media_field.3commputil=sdp_delete_all_field.3commputil
+s usr/share/man/man3commputil/sdp_delete_attribute.3commputil=sdp_delete_media.3commputil
+f usr/share/man/man3commputil/sdp_delete_media.3commputil 0444 root bin
+f usr/share/man/man3commputil/sdp_find_attribute.3commputil 0444 root bin
+f usr/share/man/man3commputil/sdp_find_media.3commputil 0444 root bin
+f usr/share/man/man3commputil/sdp_find_media_rtpmap.3commputil 0444 root bin
+s usr/share/man/man3commputil/sdp_free_session.3commputil=sdp_new_session.3commputil
+f usr/share/man/man3commputil/sdp_new_session.3commputil 0444 root bin
+f usr/share/man/man3commputil/sdp_parse.3commputil 0444 root bin
+f usr/share/man/man3commputil/sdp_session_to_str.3commputil 0444 root bin
+d usr/share/man/man3contract 0755 root bin
+s usr/share/man/man3contract/ct_ctl_abandon.3contract=ct_ctl_adopt.3contract
+s usr/share/man/man3contract/ct_ctl_ack.3contract=ct_ctl_adopt.3contract
+f usr/share/man/man3contract/ct_ctl_adopt.3contract 0444 root bin
+s usr/share/man/man3contract/ct_ctl_nack.3contract=ct_ctl_adopt.3contract
+s usr/share/man/man3contract/ct_ctl_newct.3contract=ct_ctl_adopt.3contract
+s usr/share/man/man3contract/ct_ctl_qack.3contract=ct_ctl_adopt.3contract
+s usr/share/man/man3contract/ct_dev_status_get_aset.3contract=ct_dev_status_get_dev_state.3contract
+f usr/share/man/man3contract/ct_dev_status_get_dev_state.3contract 0444 root bin
+s usr/share/man/man3contract/ct_dev_status_get_minor.3contract=ct_dev_status_get_dev_state.3contract
+s usr/share/man/man3contract/ct_dev_status_get_noneg.3contract=ct_dev_status_get_dev_state.3contract
+s usr/share/man/man3contract/ct_dev_tmpl_clear_noneg.3contract=ct_dev_tmpl_set_aset.3contract
+s usr/share/man/man3contract/ct_dev_tmpl_get_aset.3contract=ct_dev_tmpl_set_aset.3contract
+s usr/share/man/man3contract/ct_dev_tmpl_get_minor.3contract=ct_dev_tmpl_set_aset.3contract
+s usr/share/man/man3contract/ct_dev_tmpl_get_noneg.3contract=ct_dev_tmpl_set_aset.3contract
+f usr/share/man/man3contract/ct_dev_tmpl_set_aset.3contract 0444 root bin
+s usr/share/man/man3contract/ct_dev_tmpl_set_minor.3contract=ct_dev_tmpl_set_aset.3contract
+s usr/share/man/man3contract/ct_dev_tmpl_set_noneg.3contract=ct_dev_tmpl_set_aset.3contract
+s usr/share/man/man3contract/ct_event_free.3contract=ct_event_read.3contract
+s usr/share/man/man3contract/ct_event_get_ctid.3contract=ct_event_read.3contract
+s usr/share/man/man3contract/ct_event_get_evid.3contract=ct_event_read.3contract
+s usr/share/man/man3contract/ct_event_get_flags.3contract=ct_event_read.3contract
+s usr/share/man/man3contract/ct_event_get_nevid.3contract=ct_event_read.3contract
+s usr/share/man/man3contract/ct_event_get_newct.3contract=ct_event_read.3contract
+s usr/share/man/man3contract/ct_event_get_type.3contract=ct_event_read.3contract
+f usr/share/man/man3contract/ct_event_read.3contract 0444 root bin
+s usr/share/man/man3contract/ct_event_read_critical.3contract=ct_event_read.3contract
+s usr/share/man/man3contract/ct_event_reliable.3contract=ct_event_read.3contract
+s usr/share/man/man3contract/ct_event_reset.3contract=ct_event_read.3contract
+s usr/share/man/man3contract/ct_pr_event_get_exitstatus.3contract=ct_pr_event_get_pid.3contract
+s usr/share/man/man3contract/ct_pr_event_get_gcorefile.3contract=ct_pr_event_get_pid.3contract
+s usr/share/man/man3contract/ct_pr_event_get_pcorefile.3contract=ct_pr_event_get_pid.3contract
+f usr/share/man/man3contract/ct_pr_event_get_pid.3contract 0444 root bin
+s usr/share/man/man3contract/ct_pr_event_get_ppid.3contract=ct_pr_event_get_pid.3contract
+s usr/share/man/man3contract/ct_pr_event_get_sender.3contract=ct_pr_event_get_pid.3contract
+s usr/share/man/man3contract/ct_pr_event_get_senderct.3contract=ct_pr_event_get_pid.3contract
+s usr/share/man/man3contract/ct_pr_event_get_signal.3contract=ct_pr_event_get_pid.3contract
+s usr/share/man/man3contract/ct_pr_event_get_zcorefile.3contract=ct_pr_event_get_pid.3contract
+s usr/share/man/man3contract/ct_pr_status_get_contracts.3contract=ct_pr_status_get_param.3contract
+s usr/share/man/man3contract/ct_pr_status_get_fatal.3contract=ct_pr_status_get_param.3contract
+s usr/share/man/man3contract/ct_pr_status_get_members.3contract=ct_pr_status_get_param.3contract
+f usr/share/man/man3contract/ct_pr_status_get_param.3contract 0444 root bin
+s usr/share/man/man3contract/ct_pr_status_get_svc_aux.3contract=ct_pr_status_get_param.3contract
+s usr/share/man/man3contract/ct_pr_status_get_svc_creator.3contract=ct_pr_status_get_param.3contract
+s usr/share/man/man3contract/ct_pr_status_get_svc_ctid.3contract=ct_pr_status_get_param.3contract
+s usr/share/man/man3contract/ct_pr_status_get_svc_fmri.3contract=ct_pr_status_get_param.3contract
+s usr/share/man/man3contract/ct_pr_tmpl_get_fatal.3contract=ct_pr_tmpl_set_transfer.3contract
+s usr/share/man/man3contract/ct_pr_tmpl_get_param.3contract=ct_pr_tmpl_set_transfer.3contract
+s usr/share/man/man3contract/ct_pr_tmpl_get_svc_aux.3contract=ct_pr_tmpl_set_transfer.3contract
+s usr/share/man/man3contract/ct_pr_tmpl_get_svc_fmri.3contract=ct_pr_tmpl_set_transfer.3contract
+s usr/share/man/man3contract/ct_pr_tmpl_get_transfer.3contract=ct_pr_tmpl_set_transfer.3contract
+s usr/share/man/man3contract/ct_pr_tmpl_set_fatal.3contract=ct_pr_tmpl_set_transfer.3contract
+s usr/share/man/man3contract/ct_pr_tmpl_set_param.3contract=ct_pr_tmpl_set_transfer.3contract
+s usr/share/man/man3contract/ct_pr_tmpl_set_svc_aux.3contract=ct_pr_tmpl_set_transfer.3contract
+s usr/share/man/man3contract/ct_pr_tmpl_set_svc_fmri.3contract=ct_pr_tmpl_set_transfer.3contract
+f usr/share/man/man3contract/ct_pr_tmpl_set_transfer.3contract 0444 root bin
+s usr/share/man/man3contract/ct_status_free.3contract=ct_status_read.3contract
+s usr/share/man/man3contract/ct_status_get_cookie.3contract=ct_status_read.3contract
+s usr/share/man/man3contract/ct_status_get_critical.3contract=ct_status_read.3contract
+s usr/share/man/man3contract/ct_status_get_holder.3contract=ct_status_read.3contract
+s usr/share/man/man3contract/ct_status_get_id.3contract=ct_status_read.3contract
+s usr/share/man/man3contract/ct_status_get_informative.3contract=ct_status_read.3contract
+s usr/share/man/man3contract/ct_status_get_nevents.3contract=ct_status_read.3contract
+s usr/share/man/man3contract/ct_status_get_nevid.3contract=ct_status_read.3contract
+s usr/share/man/man3contract/ct_status_get_ntime.3contract=ct_status_read.3contract
+s usr/share/man/man3contract/ct_status_get_qtime.3contract=ct_status_read.3contract
+s usr/share/man/man3contract/ct_status_get_state.3contract=ct_status_read.3contract
+s usr/share/man/man3contract/ct_status_get_type.3contract=ct_status_read.3contract
+s usr/share/man/man3contract/ct_status_get_zoneid.3contract=ct_status_read.3contract
+f usr/share/man/man3contract/ct_status_read.3contract 0444 root bin
+f usr/share/man/man3contract/ct_tmpl_activate.3contract 0444 root bin
+s usr/share/man/man3contract/ct_tmpl_clear.3contract=ct_tmpl_activate.3contract
+s usr/share/man/man3contract/ct_tmpl_create.3contract=ct_tmpl_activate.3contract
+s usr/share/man/man3contract/ct_tmpl_get_cookie.3contract=ct_tmpl_activate.3contract
+s usr/share/man/man3contract/ct_tmpl_get_critical.3contract=ct_tmpl_activate.3contract
+s usr/share/man/man3contract/ct_tmpl_get_informative.3contract=ct_tmpl_activate.3contract
+s usr/share/man/man3contract/ct_tmpl_set_cookie.3contract=ct_tmpl_activate.3contract
+s usr/share/man/man3contract/ct_tmpl_set_critical.3contract=ct_tmpl_activate.3contract
+s usr/share/man/man3contract/ct_tmpl_set_informative.3contract=ct_tmpl_activate.3contract
+d usr/share/man/man3cpc 0755 root bin
+f usr/share/man/man3cpc/cpc.3cpc 0444 root bin
+f usr/share/man/man3cpc/cpc_access.3cpc 0444 root bin
+s usr/share/man/man3cpc/cpc_bind_cpu.3cpc=cpc_bind_curlwp.3cpc
+f usr/share/man/man3cpc/cpc_bind_curlwp.3cpc 0444 root bin
+f usr/share/man/man3cpc/cpc_bind_event.3cpc 0444 root bin
+s usr/share/man/man3cpc/cpc_bind_pctx.3cpc=cpc_bind_curlwp.3cpc
+s usr/share/man/man3cpc/cpc_buf_add.3cpc=cpc_buf_create.3cpc
+s usr/share/man/man3cpc/cpc_buf_copy.3cpc=cpc_buf_create.3cpc
+f usr/share/man/man3cpc/cpc_buf_create.3cpc 0444 root bin
+s usr/share/man/man3cpc/cpc_buf_destroy.3cpc=cpc_buf_create.3cpc
+s usr/share/man/man3cpc/cpc_buf_get.3cpc=cpc_buf_create.3cpc
+s usr/share/man/man3cpc/cpc_buf_hrtime.3cpc=cpc_buf_create.3cpc
+s usr/share/man/man3cpc/cpc_buf_set.3cpc=cpc_buf_create.3cpc
+s usr/share/man/man3cpc/cpc_buf_sub.3cpc=cpc_buf_create.3cpc
+s usr/share/man/man3cpc/cpc_buf_tick.3cpc=cpc_buf_create.3cpc
+s usr/share/man/man3cpc/cpc_buf_zero.3cpc=cpc_buf_create.3cpc
+s usr/share/man/man3cpc/cpc_caps.3cpc=cpc_npic.3cpc
+s usr/share/man/man3cpc/cpc_cciname.3cpc=cpc_npic.3cpc
+s usr/share/man/man3cpc/cpc_close.3cpc=cpc_open.3cpc
+s usr/share/man/man3cpc/cpc_count_sys_events.3cpc=cpc_count_usr_events.3cpc
+f usr/share/man/man3cpc/cpc_count_usr_events.3cpc 0444 root bin
+s usr/share/man/man3cpc/cpc_cpuref.3cpc=cpc_npic.3cpc
+s usr/share/man/man3cpc/cpc_disable.3cpc=cpc_enable.3cpc
+f usr/share/man/man3cpc/cpc_enable.3cpc 0444 root bin
+f usr/share/man/man3cpc/cpc_event.3cpc 0444 root bin
+s usr/share/man/man3cpc/cpc_event_accum.3cpc=cpc_event_diff.3cpc
+f usr/share/man/man3cpc/cpc_event_diff.3cpc 0444 root bin
+s usr/share/man/man3cpc/cpc_eventtostr.3cpc=cpc_strtoevent.3cpc
+s usr/share/man/man3cpc/cpc_getcciname.3cpc=cpc_getcpuver.3cpc
+s usr/share/man/man3cpc/cpc_getcpuref.3cpc=cpc_getcpuver.3cpc
+f usr/share/man/man3cpc/cpc_getcpuver.3cpc 0444 root bin
+s usr/share/man/man3cpc/cpc_getnpic.3cpc=cpc_getcpuver.3cpc
+s usr/share/man/man3cpc/cpc_getusage.3cpc=cpc_getcpuver.3cpc
+f usr/share/man/man3cpc/cpc_npic.3cpc 0444 root bin
+f usr/share/man/man3cpc/cpc_open.3cpc 0444 root bin
+f usr/share/man/man3cpc/cpc_pctx_bind_event.3cpc 0444 root bin
+s usr/share/man/man3cpc/cpc_pctx_invalidate.3cpc=cpc_pctx_bind_event.3cpc
+s usr/share/man/man3cpc/cpc_pctx_rele.3cpc=cpc_pctx_bind_event.3cpc
+s usr/share/man/man3cpc/cpc_pctx_take_sample.3cpc=cpc_pctx_bind_event.3cpc
+s usr/share/man/man3cpc/cpc_rele.3cpc=cpc_bind_event.3cpc
+s usr/share/man/man3cpc/cpc_request_preset.3cpc=cpc_bind_curlwp.3cpc
+s usr/share/man/man3cpc/cpc_set_add_request.3cpc=cpc_set_create.3cpc
+f usr/share/man/man3cpc/cpc_set_create.3cpc 0444 root bin
+s usr/share/man/man3cpc/cpc_set_destroy.3cpc=cpc_set_create.3cpc
+s usr/share/man/man3cpc/cpc_set_restart.3cpc=cpc_bind_curlwp.3cpc
+s usr/share/man/man3cpc/cpc_set_sample.3cpc=cpc_buf_create.3cpc
+f usr/share/man/man3cpc/cpc_seterrfn.3cpc 0444 root bin
+f usr/share/man/man3cpc/cpc_seterrhndlr.3cpc 0444 root bin
+s usr/share/man/man3cpc/cpc_shared_bind_event.3cpc=cpc_shared_open.3cpc
+s usr/share/man/man3cpc/cpc_shared_close.3cpc=cpc_shared_open.3cpc
+f usr/share/man/man3cpc/cpc_shared_open.3cpc 0444 root bin
+s usr/share/man/man3cpc/cpc_shared_rele.3cpc=cpc_shared_open.3cpc
+s usr/share/man/man3cpc/cpc_shared_take_sample.3cpc=cpc_shared_open.3cpc
+f usr/share/man/man3cpc/cpc_strtoevent.3cpc 0444 root bin
+s usr/share/man/man3cpc/cpc_take_sample.3cpc=cpc_bind_event.3cpc
+s usr/share/man/man3cpc/cpc_unbind.3cpc=cpc_bind_curlwp.3cpc
+f usr/share/man/man3cpc/cpc_version.3cpc 0444 root bin
+s usr/share/man/man3cpc/cpc_walk_attrs.3cpc=cpc_npic.3cpc
+s usr/share/man/man3cpc/cpc_walk_events_all.3cpc=cpc_npic.3cpc
+s usr/share/man/man3cpc/cpc_walk_events_pic.3cpc=cpc_npic.3cpc
+s usr/share/man/man3cpc/cpc_walk_generic_events_all.3cpc=cpc_npic.3cpc
+s usr/share/man/man3cpc/cpc_walk_generic_events_pic.3cpc=cpc_npic.3cpc
+s usr/share/man/man3cpc/cpc_walk_names.3cpc=cpc_getcpuver.3cpc
+s usr/share/man/man3cpc/cpc_walk_requests.3cpc=cpc_set_create.3cpc
+f usr/share/man/man3cpc/generic_events.3cpc 0444 root bin
+f usr/share/man/man3cpc/pctx_capture.3cpc 0444 root bin
+s usr/share/man/man3cpc/pctx_create.3cpc=pctx_capture.3cpc
+s usr/share/man/man3cpc/pctx_release.3cpc=pctx_capture.3cpc
+s usr/share/man/man3cpc/pctx_run.3cpc=pctx_capture.3cpc
+f usr/share/man/man3cpc/pctx_set_events.3cpc 0444 root bin
+d usr/share/man/man3curses 0755 root bin
+s usr/share/man/man3curses/addch.3curses=curs_addch.3curses
+s usr/share/man/man3curses/addchnstr.3curses=curs_addchstr.3curses
+s usr/share/man/man3curses/addchstr.3curses=curs_addchstr.3curses
+s usr/share/man/man3curses/addnstr.3curses=curs_addstr.3curses
+s usr/share/man/man3curses/addnwstr.3curses=curs_addwstr.3curses
+s usr/share/man/man3curses/addstr.3curses=curs_addstr.3curses
+s usr/share/man/man3curses/addwch.3curses=curs_addwch.3curses
+s usr/share/man/man3curses/addwchnstr.3curses=curs_addwchstr.3curses
+s usr/share/man/man3curses/addwchstr.3curses=curs_addwchstr.3curses
+s usr/share/man/man3curses/addwstr.3curses=curs_addwstr.3curses
+s usr/share/man/man3curses/adjcurspos.3curses=curs_alecompat.3curses
+s usr/share/man/man3curses/attroff.3curses=curs_attr.3curses
+s usr/share/man/man3curses/attron.3curses=curs_attr.3curses
+s usr/share/man/man3curses/attrset.3curses=curs_attr.3curses
+s usr/share/man/man3curses/baudrate.3curses=curs_termattrs.3curses
+s usr/share/man/man3curses/beep.3curses=curs_beep.3curses
+s usr/share/man/man3curses/bkgd.3curses=curs_bkgd.3curses
+s usr/share/man/man3curses/bkgdset.3curses=curs_bkgd.3curses
+s usr/share/man/man3curses/border.3curses=curs_border.3curses
+s usr/share/man/man3curses/bottom_panel.3curses=panel_top.3curses
+s usr/share/man/man3curses/box.3curses=curs_border.3curses
+s usr/share/man/man3curses/can_change_color.3curses=curs_color.3curses
+s usr/share/man/man3curses/cbreak.3curses=curs_inopts.3curses
+s usr/share/man/man3curses/clear.3curses=curs_clear.3curses
+s usr/share/man/man3curses/clearok.3curses=curs_outopts.3curses
+s usr/share/man/man3curses/clrtobot.3curses=curs_clear.3curses
+s usr/share/man/man3curses/clrtoeol.3curses=curs_clear.3curses
+s usr/share/man/man3curses/color_content.3curses=curs_color.3curses
+s usr/share/man/man3curses/copywin.3curses=curs_overlay.3curses
+s usr/share/man/man3curses/current_field.3curses=form_page.3curses
+s usr/share/man/man3curses/current_item.3curses=menu_item_current.3curses
+f usr/share/man/man3curses/curs_addch.3curses 0444 root bin
+f usr/share/man/man3curses/curs_addchstr.3curses 0444 root bin
+f usr/share/man/man3curses/curs_addstr.3curses 0444 root bin
+f usr/share/man/man3curses/curs_addwch.3curses 0444 root bin
+f usr/share/man/man3curses/curs_addwchstr.3curses 0444 root bin
+f usr/share/man/man3curses/curs_addwstr.3curses 0444 root bin
+f usr/share/man/man3curses/curs_alecompat.3curses 0444 root bin
+f usr/share/man/man3curses/curs_attr.3curses 0444 root bin
+f usr/share/man/man3curses/curs_beep.3curses 0444 root bin
+f usr/share/man/man3curses/curs_bkgd.3curses 0444 root bin
+f usr/share/man/man3curses/curs_border.3curses 0444 root bin
+f usr/share/man/man3curses/curs_clear.3curses 0444 root bin
+f usr/share/man/man3curses/curs_color.3curses 0444 root bin
+f usr/share/man/man3curses/curs_delch.3curses 0444 root bin
+f usr/share/man/man3curses/curs_deleteln.3curses 0444 root bin
+f usr/share/man/man3curses/curs_getch.3curses 0444 root bin
+f usr/share/man/man3curses/curs_getstr.3curses 0444 root bin
+f usr/share/man/man3curses/curs_getwch.3curses 0444 root bin
+f usr/share/man/man3curses/curs_getwstr.3curses 0444 root bin
+f usr/share/man/man3curses/curs_getyx.3curses 0444 root bin
+f usr/share/man/man3curses/curs_inch.3curses 0444 root bin
+f usr/share/man/man3curses/curs_inchstr.3curses 0444 root bin
+f usr/share/man/man3curses/curs_initscr.3curses 0444 root bin
+f usr/share/man/man3curses/curs_inopts.3curses 0444 root bin
+f usr/share/man/man3curses/curs_insch.3curses 0444 root bin
+f usr/share/man/man3curses/curs_insstr.3curses 0444 root bin
+f usr/share/man/man3curses/curs_instr.3curses 0444 root bin
+f usr/share/man/man3curses/curs_inswch.3curses 0444 root bin
+f usr/share/man/man3curses/curs_inswstr.3curses 0444 root bin
+f usr/share/man/man3curses/curs_inwch.3curses 0444 root bin
+f usr/share/man/man3curses/curs_inwchstr.3curses 0444 root bin
+f usr/share/man/man3curses/curs_inwstr.3curses 0444 root bin
+f usr/share/man/man3curses/curs_kernel.3curses 0444 root bin
+f usr/share/man/man3curses/curs_move.3curses 0444 root bin
+f usr/share/man/man3curses/curs_outopts.3curses 0444 root bin
+f usr/share/man/man3curses/curs_overlay.3curses 0444 root bin
+f usr/share/man/man3curses/curs_pad.3curses 0444 root bin
+f usr/share/man/man3curses/curs_printw.3curses 0444 root bin
+f usr/share/man/man3curses/curs_refresh.3curses 0444 root bin
+f usr/share/man/man3curses/curs_scanw.3curses 0444 root bin
+f usr/share/man/man3curses/curs_scr_dump.3curses 0444 root bin
+f usr/share/man/man3curses/curs_scroll.3curses 0444 root bin
+s usr/share/man/man3curses/curs_set.3curses=curs_kernel.3curses
+f usr/share/man/man3curses/curs_slk.3curses 0444 root bin
+f usr/share/man/man3curses/curs_termattrs.3curses 0444 root bin
+f usr/share/man/man3curses/curs_termcap.3curses 0444 root bin
+f usr/share/man/man3curses/curs_terminfo.3curses 0444 root bin
+f usr/share/man/man3curses/curs_touch.3curses 0444 root bin
+f usr/share/man/man3curses/curs_util.3curses 0444 root bin
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+s usr/share/man/man3curses/delch.3curses=curs_delch.3curses
+s usr/share/man/man3curses/deleteln.3curses=curs_deleteln.3curses
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+s usr/share/man/man3curses/doupdate.3curses=curs_refresh.3curses
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+s usr/share/man/man3curses/field_count.3curses=form_field.3curses
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+s usr/share/man/man3curses/field_pad.3curses=form_field_attributes.3curses
+s usr/share/man/man3curses/field_status.3curses=form_field_buffer.3curses
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+s usr/share/man/man3curses/getyx.3curses=curs_getyx.3curses
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+s usr/share/man/man3curses/init_color.3curses=curs_color.3curses
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+s usr/share/man/man3curses/inwstr.3curses=curs_inwstr.3curses
+s usr/share/man/man3curses/is_linetouched.3curses=curs_touch.3curses
+s usr/share/man/man3curses/is_wintouched.3curses=curs_touch.3curses
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+s usr/share/man/man3curses/item_visible.3curses=menu_item_visible.3curses
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+s usr/share/man/man3curses/new_panel.3curses=panel_new.3curses
+s usr/share/man/man3curses/newpad.3curses=curs_pad.3curses
+s usr/share/man/man3curses/newterm.3curses=curs_initscr.3curses
+s usr/share/man/man3curses/newwin.3curses=curs_window.3curses
+s usr/share/man/man3curses/nl.3curses=curs_outopts.3curses
+s usr/share/man/man3curses/nocbreak.3curses=curs_inopts.3curses
+s usr/share/man/man3curses/nodelay.3curses=curs_inopts.3curses
+s usr/share/man/man3curses/noecho.3curses=curs_inopts.3curses
+s usr/share/man/man3curses/nonl.3curses=curs_outopts.3curses
+s usr/share/man/man3curses/noqiflush.3curses=curs_inopts.3curses
+s usr/share/man/man3curses/noraw.3curses=curs_inopts.3curses
+s usr/share/man/man3curses/notimeout.3curses=curs_inopts.3curses
+s usr/share/man/man3curses/overlay.3curses=curs_overlay.3curses
+s usr/share/man/man3curses/overwrite.3curses=curs_overlay.3curses
+s usr/share/man/man3curses/pair_content.3curses=curs_color.3curses
+f usr/share/man/man3curses/panel_above.3curses 0444 root bin
+s usr/share/man/man3curses/panel_below.3curses=panel_above.3curses
+s usr/share/man/man3curses/panel_hidden.3curses=panel_show.3curses
+f usr/share/man/man3curses/panel_move.3curses 0444 root bin
+f usr/share/man/man3curses/panel_new.3curses 0444 root bin
+f usr/share/man/man3curses/panel_show.3curses 0444 root bin
+f usr/share/man/man3curses/panel_top.3curses 0444 root bin
+f usr/share/man/man3curses/panel_update.3curses 0444 root bin
+f usr/share/man/man3curses/panel_userptr.3curses 0444 root bin
+f usr/share/man/man3curses/panel_window.3curses 0444 root bin
+f usr/share/man/man3curses/panels.3curses 0444 root bin
+s usr/share/man/man3curses/pechochar.3curses=curs_pad.3curses
+s usr/share/man/man3curses/pechowchar.3curses=curs_pad.3curses
+s usr/share/man/man3curses/pnoutrefresh.3curses=curs_pad.3curses
+s usr/share/man/man3curses/pos_form_cursor.3curses=form_cursor.3curses
+s usr/share/man/man3curses/pos_menu_cursor.3curses=menu_cursor.3curses
+s usr/share/man/man3curses/post_form.3curses=form_post.3curses
+s usr/share/man/man3curses/post_menu.3curses=menu_post.3curses
+s usr/share/man/man3curses/prefresh.3curses=curs_pad.3curses
+s usr/share/man/man3curses/printw.3curses=curs_printw.3curses
+s usr/share/man/man3curses/putp.3curses=curs_terminfo.3curses
+s usr/share/man/man3curses/putwin.3curses=curs_util.3curses
+s usr/share/man/man3curses/qiflush.3curses=curs_inopts.3curses
+s usr/share/man/man3curses/raw.3curses=curs_inopts.3curses
+s usr/share/man/man3curses/redrawwin.3curses=curs_refresh.3curses
+s usr/share/man/man3curses/refresh.3curses=curs_refresh.3curses
+s usr/share/man/man3curses/replace_panel.3curses=panel_window.3curses
+s usr/share/man/man3curses/reset_prog_mode.3curses=curs_kernel.3curses
+s usr/share/man/man3curses/reset_shell_mode.3curses=curs_kernel.3curses
+s usr/share/man/man3curses/resetty.3curses=curs_kernel.3curses
+s usr/share/man/man3curses/restartterm.3curses=curs_terminfo.3curses
+s usr/share/man/man3curses/ripoffline.3curses=curs_kernel.3curses
+s usr/share/man/man3curses/savetty.3curses=curs_kernel.3curses
+s usr/share/man/man3curses/scale_form.3curses=form_win.3curses
+s usr/share/man/man3curses/scale_menu.3curses=menu_win.3curses
+s usr/share/man/man3curses/scanw.3curses=curs_scanw.3curses
+s usr/share/man/man3curses/scr_dump.3curses=curs_scr_dump.3curses
+s usr/share/man/man3curses/scr_init.3curses=curs_scr_dump.3curses
+s usr/share/man/man3curses/scr_restore.3curses=curs_scr_dump.3curses
+s usr/share/man/man3curses/scr_set.3curses=curs_scr_dump.3curses
+s usr/share/man/man3curses/scrl.3curses=curs_scroll.3curses
+s usr/share/man/man3curses/scroll.3curses=curs_scroll.3curses
+s usr/share/man/man3curses/scrollok.3curses=curs_outopts.3curses
+s usr/share/man/man3curses/set_current_field.3curses=form_page.3curses
+s usr/share/man/man3curses/set_current_item.3curses=menu_item_current.3curses
+s usr/share/man/man3curses/set_curterm.3curses=curs_terminfo.3curses
+s usr/share/man/man3curses/set_field_back.3curses=form_field_attributes.3curses
+s usr/share/man/man3curses/set_field_buffer.3curses=form_field_buffer.3curses
+s usr/share/man/man3curses/set_field_fore.3curses=form_field_attributes.3curses
+s usr/share/man/man3curses/set_field_init.3curses=form_hook.3curses
+s usr/share/man/man3curses/set_field_just.3curses=form_field_just.3curses
+s usr/share/man/man3curses/set_field_opts.3curses=form_field_opts.3curses
+s usr/share/man/man3curses/set_field_pad.3curses=form_field_attributes.3curses
+s usr/share/man/man3curses/set_field_status.3curses=form_field_buffer.3curses
+s usr/share/man/man3curses/set_field_term.3curses=form_hook.3curses
+s usr/share/man/man3curses/set_field_type.3curses=form_field_validation.3curses
+s usr/share/man/man3curses/set_field_userptr.3curses=form_field_userptr.3curses
+s usr/share/man/man3curses/set_fieldtype_arg.3curses=form_fieldtype.3curses
+s usr/share/man/man3curses/set_fieldtype_choice.3curses=form_fieldtype.3curses
+s usr/share/man/man3curses/set_form_fields.3curses=form_field.3curses
+s usr/share/man/man3curses/set_form_init.3curses=form_hook.3curses
+s usr/share/man/man3curses/set_form_opts.3curses=form_opts.3curses
+s usr/share/man/man3curses/set_form_page.3curses=form_page.3curses
+s usr/share/man/man3curses/set_form_sub.3curses=form_win.3curses
+s usr/share/man/man3curses/set_form_term.3curses=form_hook.3curses
+s usr/share/man/man3curses/set_form_userptr.3curses=form_userptr.3curses
+s usr/share/man/man3curses/set_form_win.3curses=form_win.3curses
+s usr/share/man/man3curses/set_item_init.3curses=menu_hook.3curses
+s usr/share/man/man3curses/set_item_opts.3curses=menu_item_opts.3curses
+s usr/share/man/man3curses/set_item_term.3curses=menu_hook.3curses
+s usr/share/man/man3curses/set_item_userptr.3curses=menu_item_userptr.3curses
+s usr/share/man/man3curses/set_item_value.3curses=menu_item_value.3curses
+s usr/share/man/man3curses/set_max_field.3curses=form_field_buffer.3curses
+s usr/share/man/man3curses/set_menu_back.3curses=menu_attributes.3curses
+s usr/share/man/man3curses/set_menu_fore.3curses=menu_attributes.3curses
+s usr/share/man/man3curses/set_menu_format.3curses=menu_format.3curses
+s usr/share/man/man3curses/set_menu_grey.3curses=menu_attributes.3curses
+s usr/share/man/man3curses/set_menu_init.3curses=menu_hook.3curses
+s usr/share/man/man3curses/set_menu_items.3curses=menu_items.3curses
+s usr/share/man/man3curses/set_menu_mark.3curses=menu_mark.3curses
+s usr/share/man/man3curses/set_menu_opts.3curses=menu_opts.3curses
+s usr/share/man/man3curses/set_menu_pad.3curses=menu_attributes.3curses
+s usr/share/man/man3curses/set_menu_pattern.3curses=menu_pattern.3curses
+s usr/share/man/man3curses/set_menu_sub.3curses=menu_win.3curses
+s usr/share/man/man3curses/set_menu_term.3curses=menu_hook.3curses
+s usr/share/man/man3curses/set_menu_userptr.3curses=menu_userptr.3curses
+s usr/share/man/man3curses/set_menu_win.3curses=menu_win.3curses
+s usr/share/man/man3curses/set_new_page.3curses=form_new_page.3curses
+s usr/share/man/man3curses/set_panel_userptr.3curses=panel_userptr.3curses
+s usr/share/man/man3curses/set_term.3curses=curs_initscr.3curses
+s usr/share/man/man3curses/set_top_row.3curses=menu_item_current.3curses
+s usr/share/man/man3curses/setscrreg.3curses=curs_outopts.3curses
+s usr/share/man/man3curses/setsyx.3curses=curs_kernel.3curses
+s usr/share/man/man3curses/setterm.3curses=curs_terminfo.3curses
+s usr/share/man/man3curses/setupterm.3curses=curs_terminfo.3curses
+s usr/share/man/man3curses/show_panel.3curses=panel_show.3curses
+s usr/share/man/man3curses/slk_attroff.3curses=curs_slk.3curses
+s usr/share/man/man3curses/slk_attron.3curses=curs_slk.3curses
+s usr/share/man/man3curses/slk_attrset.3curses=curs_slk.3curses
+s usr/share/man/man3curses/slk_clear.3curses=curs_slk.3curses
+s usr/share/man/man3curses/slk_init.3curses=curs_slk.3curses
+s usr/share/man/man3curses/slk_label.3curses=curs_slk.3curses
+s usr/share/man/man3curses/slk_noutrefresh.3curses=curs_slk.3curses
+s usr/share/man/man3curses/slk_refresh.3curses=curs_slk.3curses
+s usr/share/man/man3curses/slk_restore.3curses=curs_slk.3curses
+s usr/share/man/man3curses/slk_set.3curses=curs_slk.3curses
+s usr/share/man/man3curses/slk_touch.3curses=curs_slk.3curses
+s usr/share/man/man3curses/standend.3curses=curs_attr.3curses
+s usr/share/man/man3curses/standout.3curses=curs_attr.3curses
+s usr/share/man/man3curses/start_color.3curses=curs_color.3curses
+s usr/share/man/man3curses/subpad.3curses=curs_pad.3curses
+s usr/share/man/man3curses/subwin.3curses=curs_window.3curses
+s usr/share/man/man3curses/syncok.3curses=curs_window.3curses
+s usr/share/man/man3curses/termattrs.3curses=curs_termattrs.3curses
+s usr/share/man/man3curses/termname.3curses=curs_termattrs.3curses
+s usr/share/man/man3curses/tgetent.3curses=curs_termcap.3curses
+s usr/share/man/man3curses/tgetflag.3curses=curs_termcap.3curses
+s usr/share/man/man3curses/tgetnum.3curses=curs_termcap.3curses
+s usr/share/man/man3curses/tgetstr.3curses=curs_termcap.3curses
+s usr/share/man/man3curses/tgoto.3curses=curs_termcap.3curses
+s usr/share/man/man3curses/tigetflag.3curses=curs_terminfo.3curses
+s usr/share/man/man3curses/tigetnum.3curses=curs_terminfo.3curses
+s usr/share/man/man3curses/tigetstr.3curses=curs_terminfo.3curses
+s usr/share/man/man3curses/timeout.3curses=curs_inopts.3curses
+s usr/share/man/man3curses/top_panel.3curses=panel_top.3curses
+s usr/share/man/man3curses/top_row.3curses=menu_item_current.3curses
+s usr/share/man/man3curses/touchline.3curses=curs_touch.3curses
+s usr/share/man/man3curses/touchwin.3curses=curs_touch.3curses
+s usr/share/man/man3curses/tparm.3curses=curs_terminfo.3curses
+s usr/share/man/man3curses/tputs.3curses=curs_terminfo.3curses
+s usr/share/man/man3curses/typeahead.3curses=curs_inopts.3curses
+s usr/share/man/man3curses/unctrl.3curses=curs_util.3curses
+s usr/share/man/man3curses/ungetch.3curses=curs_getch.3curses
+s usr/share/man/man3curses/ungetwch.3curses=curs_getwch.3curses
+s usr/share/man/man3curses/unpost_form.3curses=form_post.3curses
+s usr/share/man/man3curses/unpost_menu.3curses=menu_post.3curses
+s usr/share/man/man3curses/untouchwin.3curses=curs_touch.3curses
+s usr/share/man/man3curses/update_panels.3curses=panel_update.3curses
+s usr/share/man/man3curses/use_env.3curses=curs_util.3curses
+s usr/share/man/man3curses/vidattr.3curses=curs_terminfo.3curses
+s usr/share/man/man3curses/vidputs.3curses=curs_terminfo.3curses
+s usr/share/man/man3curses/vwprintw.3curses=curs_printw.3curses
+s usr/share/man/man3curses/vwscanw.3curses=curs_scanw.3curses
+s usr/share/man/man3curses/waddch.3curses=curs_addch.3curses
+s usr/share/man/man3curses/waddchnstr.3curses=curs_addchstr.3curses
+s usr/share/man/man3curses/waddchstr.3curses=curs_addchstr.3curses
+s usr/share/man/man3curses/waddnstr.3curses=curs_addstr.3curses
+s usr/share/man/man3curses/waddnwstr.3curses=curs_addwstr.3curses
+s usr/share/man/man3curses/waddstr.3curses=curs_addstr.3curses
+s usr/share/man/man3curses/waddwch.3curses=curs_addwch.3curses
+s usr/share/man/man3curses/waddwchnstr.3curses=curs_addwchstr.3curses
+s usr/share/man/man3curses/waddwchstr.3curses=curs_addwchstr.3curses
+s usr/share/man/man3curses/waddwstr.3curses=curs_addwstr.3curses
+s usr/share/man/man3curses/wadjcurspos.3curses=curs_alecompat.3curses
+s usr/share/man/man3curses/wattroff.3curses=curs_attr.3curses
+s usr/share/man/man3curses/wattron.3curses=curs_attr.3curses
+s usr/share/man/man3curses/wattrset.3curses=curs_attr.3curses
+s usr/share/man/man3curses/wbkgd.3curses=curs_bkgd.3curses
+s usr/share/man/man3curses/wbkgdset.3curses=curs_bkgd.3curses
+s usr/share/man/man3curses/wborder.3curses=curs_border.3curses
+s usr/share/man/man3curses/wclear.3curses=curs_clear.3curses
+s usr/share/man/man3curses/wclrtobot.3curses=curs_clear.3curses
+s usr/share/man/man3curses/wclrtoeol.3curses=curs_clear.3curses
+s usr/share/man/man3curses/wcursyncup.3curses=curs_window.3curses
+s usr/share/man/man3curses/wdelch.3curses=curs_delch.3curses
+s usr/share/man/man3curses/wdeleteln.3curses=curs_deleteln.3curses
+s usr/share/man/man3curses/wechochar.3curses=curs_addch.3curses
+s usr/share/man/man3curses/wechowchar.3curses=curs_addwch.3curses
+s usr/share/man/man3curses/werase.3curses=curs_clear.3curses
+s usr/share/man/man3curses/wgetch.3curses=curs_getch.3curses
+s usr/share/man/man3curses/wgetnstr.3curses=curs_getstr.3curses
+s usr/share/man/man3curses/wgetnwstr.3curses=curs_getwstr.3curses
+s usr/share/man/man3curses/wgetstr.3curses=curs_getstr.3curses
+s usr/share/man/man3curses/wgetwch.3curses=curs_getwch.3curses
+s usr/share/man/man3curses/wgetwstr.3curses=curs_getwstr.3curses
+s usr/share/man/man3curses/whline.3curses=curs_border.3curses
+s usr/share/man/man3curses/winch.3curses=curs_inch.3curses
+s usr/share/man/man3curses/winchnstr.3curses=curs_inchstr.3curses
+s usr/share/man/man3curses/winchstr.3curses=curs_inchstr.3curses
+s usr/share/man/man3curses/winnstr.3curses=curs_instr.3curses
+s usr/share/man/man3curses/winnwstr.3curses=curs_inwstr.3curses
+s usr/share/man/man3curses/winsch.3curses=curs_insch.3curses
+s usr/share/man/man3curses/winsdelln.3curses=curs_deleteln.3curses
+s usr/share/man/man3curses/winsertln.3curses=curs_deleteln.3curses
+s usr/share/man/man3curses/winsnstr.3curses=curs_insstr.3curses
+s usr/share/man/man3curses/winsnwstr.3curses=curs_inswstr.3curses
+s usr/share/man/man3curses/winsstr.3curses=curs_insstr.3curses
+s usr/share/man/man3curses/winstr.3curses=curs_instr.3curses
+s usr/share/man/man3curses/winswch.3curses=curs_inswch.3curses
+s usr/share/man/man3curses/winswstr.3curses=curs_inswstr.3curses
+s usr/share/man/man3curses/winwch.3curses=curs_inwch.3curses
+s usr/share/man/man3curses/winwchnstr.3curses=curs_inwchstr.3curses
+s usr/share/man/man3curses/winwchstr.3curses=curs_inwchstr.3curses
+s usr/share/man/man3curses/winwstr.3curses=curs_inwstr.3curses
+s usr/share/man/man3curses/wmove.3curses=curs_move.3curses
+s usr/share/man/man3curses/wmovenextch.3curses=curs_alecompat.3curses
+s usr/share/man/man3curses/wmoveprevch.3curses=curs_alecompat.3curses
+s usr/share/man/man3curses/wnoutrefresh.3curses=curs_refresh.3curses
+s usr/share/man/man3curses/wprintw.3curses=curs_printw.3curses
+s usr/share/man/man3curses/wredrawln.3curses=curs_refresh.3curses
+s usr/share/man/man3curses/wrefresh.3curses=curs_refresh.3curses
+s usr/share/man/man3curses/wscanw.3curses=curs_scanw.3curses
+s usr/share/man/man3curses/wscrl.3curses=curs_scroll.3curses
+s usr/share/man/man3curses/wsetscrreg.3curses=curs_outopts.3curses
+s usr/share/man/man3curses/wstandend.3curses=curs_attr.3curses
+s usr/share/man/man3curses/wstandout.3curses=curs_attr.3curses
+s usr/share/man/man3curses/wsyncdown.3curses=curs_window.3curses
+s usr/share/man/man3curses/wsyncup.3curses=curs_window.3curses
+s usr/share/man/man3curses/wtimeout.3curses=curs_inopts.3curses
+s usr/share/man/man3curses/wtouchln.3curses=curs_touch.3curses
+s usr/share/man/man3curses/wvline.3curses=curs_border.3curses
+d usr/share/man/man3dat 0755 root bin
+f usr/share/man/man3dat/dat_cno_create.3dat 0444 root bin
+f usr/share/man/man3dat/dat_cno_free.3dat 0444 root bin
+f usr/share/man/man3dat/dat_cno_modify_agent.3dat 0444 root bin
+f usr/share/man/man3dat/dat_cno_query.3dat 0444 root bin
+f usr/share/man/man3dat/dat_cno_wait.3dat 0444 root bin
+f usr/share/man/man3dat/dat_cr_accept.3dat 0444 root bin
+f usr/share/man/man3dat/dat_cr_handoff.3dat 0444 root bin
+f usr/share/man/man3dat/dat_cr_query.3dat 0444 root bin
+f usr/share/man/man3dat/dat_cr_reject.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_connect.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_create.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_create_with_srq.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_disconnect.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_dup_connect.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_free.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_get_status.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_modify.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_post_rdma_read.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_post_rdma_write.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_post_recv.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_post_send.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_query.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_recv_query.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_reset.3dat 0444 root bin
+f usr/share/man/man3dat/dat_ep_set_watermark.3dat 0444 root bin
+f usr/share/man/man3dat/dat_evd_clear_unwaitable.3dat 0444 root bin
+f usr/share/man/man3dat/dat_evd_dequeue.3dat 0444 root bin
+f usr/share/man/man3dat/dat_evd_disable.3dat 0444 root bin
+f usr/share/man/man3dat/dat_evd_enable.3dat 0444 root bin
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+s usr/share/man/man3nsl/netdir_getbyname.3nsl=netdir.3nsl
+s usr/share/man/man3nsl/netdir_mergeaddr.3nsl=netdir.3nsl
+s usr/share/man/man3nsl/netdir_options.3nsl=netdir.3nsl
+s usr/share/man/man3nsl/netdir_perror.3nsl=netdir.3nsl
+s usr/share/man/man3nsl/netdir_sperror.3nsl=netdir.3nsl
+s usr/share/man/man3nsl/netname2host.3nsl=secure_rpc.3nsl
+s usr/share/man/man3nsl/netname2user.3nsl=secure_rpc.3nsl
+f usr/share/man/man3nsl/nlsgetcall.3nsl 0444 root bin
+f usr/share/man/man3nsl/nlsprovider.3nsl 0444 root bin
+f usr/share/man/man3nsl/nlsrequest.3nsl 0444 root bin
+s usr/share/man/man3nsl/pmap_getmaps.3nsl=rpc_soc.3nsl
+s usr/share/man/man3nsl/pmap_getport.3nsl=rpc_soc.3nsl
+s usr/share/man/man3nsl/pmap_rmtcall.3nsl=rpc_soc.3nsl
+s usr/share/man/man3nsl/pmap_set.3nsl=rpc_soc.3nsl
+s usr/share/man/man3nsl/pmap_unset.3nsl=rpc_soc.3nsl
+s usr/share/man/man3nsl/publickey.3nsl=getpublickey.3nsl
+s usr/share/man/man3nsl/registerrpc.3nsl=rpc_soc.3nsl
+f usr/share/man/man3nsl/rpc.3nsl 0444 root bin
+s usr/share/man/man3nsl/rpc_broadcast.3nsl=rpc_clnt_calls.3nsl
+s usr/share/man/man3nsl/rpc_broadcast_exp.3nsl=rpc_clnt_calls.3nsl
+s usr/share/man/man3nsl/rpc_call.3nsl=rpc_clnt_calls.3nsl
+f usr/share/man/man3nsl/rpc_clnt_auth.3nsl 0444 root bin
+f usr/share/man/man3nsl/rpc_clnt_calls.3nsl 0444 root bin
+f usr/share/man/man3nsl/rpc_clnt_create.3nsl 0444 root bin
+f usr/share/man/man3nsl/rpc_control.3nsl 0444 root bin
+s usr/share/man/man3nsl/rpc_createerr.3nsl=rpc_clnt_create.3nsl
+f usr/share/man/man3nsl/rpc_gss_get_error.3nsl 0444 root bin
+s usr/share/man/man3nsl/rpc_gss_get_mech_info.3nsl=rpc_gss_get_mechanisms.3nsl
+f usr/share/man/man3nsl/rpc_gss_get_mechanisms.3nsl 0444 root bin
+f usr/share/man/man3nsl/rpc_gss_get_principal_name.3nsl 0444 root bin
+s usr/share/man/man3nsl/rpc_gss_get_versions.3nsl=rpc_gss_get_mechanisms.3nsl
+f usr/share/man/man3nsl/rpc_gss_getcred.3nsl 0444 root bin
+s usr/share/man/man3nsl/rpc_gss_is_installed.3nsl=rpc_gss_get_mechanisms.3nsl
+f usr/share/man/man3nsl/rpc_gss_max_data_length.3nsl 0444 root bin
+f usr/share/man/man3nsl/rpc_gss_mech_to_oid.3nsl 0444 root bin
+s usr/share/man/man3nsl/rpc_gss_qop_to_num.3nsl=rpc_gss_mech_to_oid.3nsl
+f usr/share/man/man3nsl/rpc_gss_seccreate.3nsl 0444 root bin
+f usr/share/man/man3nsl/rpc_gss_set_callback.3nsl 0444 root bin
+f usr/share/man/man3nsl/rpc_gss_set_defaults.3nsl 0444 root bin
+f usr/share/man/man3nsl/rpc_gss_set_svc_name.3nsl 0444 root bin
+s usr/share/man/man3nsl/rpc_gss_svc_max_data_length.3nsl=rpc_gss_max_data_length.3nsl
+s usr/share/man/man3nsl/rpc_reg.3nsl=rpc_svc_reg.3nsl
+f usr/share/man/man3nsl/rpc_soc.3nsl 0444 root bin
+f usr/share/man/man3nsl/rpc_svc_calls.3nsl 0444 root bin
+f usr/share/man/man3nsl/rpc_svc_create.3nsl 0444 root bin
+f usr/share/man/man3nsl/rpc_svc_err.3nsl 0444 root bin
+f usr/share/man/man3nsl/rpc_svc_input.3nsl 0444 root bin
+f usr/share/man/man3nsl/rpc_svc_reg.3nsl 0444 root bin
+f usr/share/man/man3nsl/rpc_xdr.3nsl 0444 root bin
+s usr/share/man/man3nsl/rpcb_getaddr.3nsl=rpcbind.3nsl
+s usr/share/man/man3nsl/rpcb_getmaps.3nsl=rpcbind.3nsl
+s usr/share/man/man3nsl/rpcb_gettime.3nsl=rpcbind.3nsl
+s usr/share/man/man3nsl/rpcb_rmtcall.3nsl=rpcbind.3nsl
+s usr/share/man/man3nsl/rpcb_set.3nsl=rpcbind.3nsl
+s usr/share/man/man3nsl/rpcb_unset.3nsl=rpcbind.3nsl
+f usr/share/man/man3nsl/rpcbind.3nsl 0444 root bin
+f usr/share/man/man3nsl/rpcsec_gss.3nsl 0444 root bin
+f usr/share/man/man3nsl/secure_rpc.3nsl 0444 root bin
+s usr/share/man/man3nsl/sethostent.3nsl=gethostbyname.3nsl
+s usr/share/man/man3nsl/setnetconfig.3nsl=getnetconfig.3nsl
+s usr/share/man/man3nsl/setnetpath.3nsl=getnetpath.3nsl
+s usr/share/man/man3nsl/setrpcent.3nsl=getrpcbyname.3nsl
+s usr/share/man/man3nsl/svc_add_input.3nsl=rpc_svc_input.3nsl
+s usr/share/man/man3nsl/svc_auth_reg.3nsl=rpc_svc_reg.3nsl
+s usr/share/man/man3nsl/svc_control.3nsl=rpc_svc_create.3nsl
+s usr/share/man/man3nsl/svc_create.3nsl=rpc_svc_create.3nsl
+s usr/share/man/man3nsl/svc_destroy.3nsl=rpc_svc_create.3nsl
+s usr/share/man/man3nsl/svc_dg_create.3nsl=rpc_svc_create.3nsl
+s usr/share/man/man3nsl/svc_dg_enablecache.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_done.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_door_create.3nsl=rpc_svc_create.3nsl
+s usr/share/man/man3nsl/svc_exit.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_fd_create.3nsl=rpc_svc_create.3nsl
+s usr/share/man/man3nsl/svc_fd_negotiate_ucred.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_fds.3nsl=rpc_soc.3nsl
+s usr/share/man/man3nsl/svc_fdset.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_freeargs.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_getargs.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_getcaller.3nsl=rpc_soc.3nsl
+s usr/share/man/man3nsl/svc_getcallerucred.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_getreq.3nsl=rpc_soc.3nsl
+s usr/share/man/man3nsl/svc_getreq_common.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_getreq_poll.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_getreqset.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_getrpccaller.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_max_pollfd.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_pollfd.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_raw_create.3nsl=rpc_svc_create.3nsl
+s usr/share/man/man3nsl/svc_reg.3nsl=rpc_svc_reg.3nsl
+s usr/share/man/man3nsl/svc_register.3nsl=rpc_soc.3nsl
+s usr/share/man/man3nsl/svc_remove_input.3nsl=rpc_svc_input.3nsl
+s usr/share/man/man3nsl/svc_run.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_sendreply.3nsl=rpc_svc_calls.3nsl
+s usr/share/man/man3nsl/svc_tli_create.3nsl=rpc_svc_create.3nsl
+s usr/share/man/man3nsl/svc_tp_create.3nsl=rpc_svc_create.3nsl
+s usr/share/man/man3nsl/svc_unreg.3nsl=rpc_svc_reg.3nsl
+s usr/share/man/man3nsl/svc_unregister.3nsl=rpc_soc.3nsl
+s usr/share/man/man3nsl/svc_vc_create.3nsl=rpc_svc_create.3nsl
+s usr/share/man/man3nsl/svcerr_auth.3nsl=rpc_svc_err.3nsl
+s usr/share/man/man3nsl/svcerr_decode.3nsl=rpc_svc_err.3nsl
+s usr/share/man/man3nsl/svcerr_noproc.3nsl=rpc_svc_err.3nsl
+s usr/share/man/man3nsl/svcerr_noprog.3nsl=rpc_svc_err.3nsl
+s usr/share/man/man3nsl/svcerr_progvers.3nsl=rpc_svc_err.3nsl
+s usr/share/man/man3nsl/svcerr_systemerr.3nsl=rpc_svc_err.3nsl
+s usr/share/man/man3nsl/svcerr_weakauth.3nsl=rpc_svc_err.3nsl
+s usr/share/man/man3nsl/svcfd_create.3nsl=rpc_soc.3nsl
+s usr/share/man/man3nsl/svcraw_create.3nsl=rpc_soc.3nsl
+s usr/share/man/man3nsl/svctcp_create.3nsl=rpc_soc.3nsl
+s usr/share/man/man3nsl/svcudp_bufcreate.3nsl=rpc_soc.3nsl
+s usr/share/man/man3nsl/svcudp_create.3nsl=rpc_soc.3nsl
+f usr/share/man/man3nsl/t_accept.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_alloc.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_bind.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_close.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_connect.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_errno.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_error.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_free.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_getinfo.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_getprotaddr.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_getstate.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_listen.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_look.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_open.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_optmgmt.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_rcv.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_rcvconnect.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_rcvdis.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_rcvrel.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_rcvreldata.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_rcvudata.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_rcvuderr.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_rcvv.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_rcvvudata.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_snd.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_snddis.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_sndrel.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_sndreldata.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_sndudata.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_sndv.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_sndvudata.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_strerror.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_sync.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_sysconf.3nsl 0444 root bin
+f usr/share/man/man3nsl/t_unbind.3nsl 0444 root bin
+s usr/share/man/man3nsl/taddr2uaddr.3nsl=netdir.3nsl
+s usr/share/man/man3nsl/uaddr2taddr.3nsl=netdir.3nsl
+s usr/share/man/man3nsl/undial.3nsl=dial.3nsl
+s usr/share/man/man3nsl/user2netname.3nsl=secure_rpc.3nsl
+f usr/share/man/man3nsl/xdr.3nsl 0444 root bin
+s usr/share/man/man3nsl/xdr_accepted_reply.3nsl=rpc_xdr.3nsl
+f usr/share/man/man3nsl/xdr_admin.3nsl 0444 root bin
+s usr/share/man/man3nsl/xdr_array.3nsl=xdr_complex.3nsl
+s usr/share/man/man3nsl/xdr_authsys_parms.3nsl=rpc_xdr.3nsl
+s usr/share/man/man3nsl/xdr_authunix_parms.3nsl=rpc_soc.3nsl
+s usr/share/man/man3nsl/xdr_bool.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_bytes.3nsl=xdr_complex.3nsl
+s usr/share/man/man3nsl/xdr_callhdr.3nsl=rpc_xdr.3nsl
+s usr/share/man/man3nsl/xdr_callmsg.3nsl=rpc_xdr.3nsl
+s usr/share/man/man3nsl/xdr_char.3nsl=xdr_simple.3nsl
+f usr/share/man/man3nsl/xdr_complex.3nsl 0444 root bin
+s usr/share/man/man3nsl/xdr_control.3nsl=xdr_admin.3nsl
+f usr/share/man/man3nsl/xdr_create.3nsl 0444 root bin
+s usr/share/man/man3nsl/xdr_destroy.3nsl=xdr_create.3nsl
+s usr/share/man/man3nsl/xdr_double.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_enum.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_float.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_free.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_getpos.3nsl=xdr_admin.3nsl
+s usr/share/man/man3nsl/xdr_hyper.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_inline.3nsl=xdr_admin.3nsl
+s usr/share/man/man3nsl/xdr_int.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_long.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_longlong_t.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_opaque.3nsl=xdr_complex.3nsl
+s usr/share/man/man3nsl/xdr_opaque_auth.3nsl=rpc_xdr.3nsl
+s usr/share/man/man3nsl/xdr_pointer.3nsl=xdr_complex.3nsl
+s usr/share/man/man3nsl/xdr_quadruple.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_reference.3nsl=xdr_complex.3nsl
+s usr/share/man/man3nsl/xdr_rejected_reply.3nsl=rpc_xdr.3nsl
+s usr/share/man/man3nsl/xdr_replymsg.3nsl=rpc_xdr.3nsl
+s usr/share/man/man3nsl/xdr_setpos.3nsl=xdr_admin.3nsl
+s usr/share/man/man3nsl/xdr_short.3nsl=xdr_simple.3nsl
+f usr/share/man/man3nsl/xdr_simple.3nsl 0444 root bin
+s usr/share/man/man3nsl/xdr_sizeof.3nsl=xdr_admin.3nsl
+s usr/share/man/man3nsl/xdr_string.3nsl=xdr_complex.3nsl
+s usr/share/man/man3nsl/xdr_u_char.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_u_hyper.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_u_int.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_u_long.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_u_longlong_t.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_u_short.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_union.3nsl=xdr_complex.3nsl
+s usr/share/man/man3nsl/xdr_vector.3nsl=xdr_complex.3nsl
+s usr/share/man/man3nsl/xdr_void.3nsl=xdr_simple.3nsl
+s usr/share/man/man3nsl/xdr_wrapstring.3nsl=xdr_complex.3nsl
+s usr/share/man/man3nsl/xdrmem_create.3nsl=xdr_create.3nsl
+s usr/share/man/man3nsl/xdrrec_create.3nsl=xdr_create.3nsl
+s usr/share/man/man3nsl/xdrrec_endofrecord.3nsl=xdr_admin.3nsl
+s usr/share/man/man3nsl/xdrrec_eof.3nsl=xdr_admin.3nsl
+s usr/share/man/man3nsl/xdrrec_readbytes.3nsl=xdr_admin.3nsl
+s usr/share/man/man3nsl/xdrrec_skiprecord.3nsl=xdr_admin.3nsl
+s usr/share/man/man3nsl/xdrstdio_create.3nsl=xdr_create.3nsl
+s usr/share/man/man3nsl/xprt_register.3nsl=rpc_svc_reg.3nsl
+s usr/share/man/man3nsl/xprt_unregister.3nsl=rpc_svc_reg.3nsl
+s usr/share/man/man3nsl/yp_all.3nsl=ypclnt.3nsl
+s usr/share/man/man3nsl/yp_bind.3nsl=ypclnt.3nsl
+s usr/share/man/man3nsl/yp_first.3nsl=ypclnt.3nsl
+s usr/share/man/man3nsl/yp_get_default_domain.3nsl=ypclnt.3nsl
+s usr/share/man/man3nsl/yp_master.3nsl=ypclnt.3nsl
+s usr/share/man/man3nsl/yp_match.3nsl=ypclnt.3nsl
+s usr/share/man/man3nsl/yp_next.3nsl=ypclnt.3nsl
+s usr/share/man/man3nsl/yp_order.3nsl=ypclnt.3nsl
+s usr/share/man/man3nsl/yp_unbind.3nsl=ypclnt.3nsl
+f usr/share/man/man3nsl/yp_update.3nsl 0444 root bin
+f usr/share/man/man3nsl/ypclnt.3nsl 0444 root bin
+s usr/share/man/man3nsl/yperr_string.3nsl=ypclnt.3nsl
+s usr/share/man/man3nsl/ypprot_err.3nsl=ypclnt.3nsl
+d usr/share/man/man3nvpair 0755 root bin
+s usr/share/man/man3nvpair/nv_alloc_fini.3nvpair=nvlist_alloc.3nvpair
+s usr/share/man/man3nvpair/nv_alloc_init.3nvpair=nvlist_alloc.3nvpair
+s usr/share/man/man3nvpair/nv_alloc_reset.3nvpair=nvlist_alloc.3nvpair
+f usr/share/man/man3nvpair/nvlist_add_boolean.3nvpair 0444 root bin
+s usr/share/man/man3nvpair/nvlist_add_boolean_array.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_boolean_value.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_byte.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_byte_array.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_double.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_int16.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_int16_array.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_int32.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_int32_array.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_int64.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_int64_array.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_int8.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_int8_array.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_nvlist.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_nvlist_array.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_nvpair.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_string.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_string_array.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_uint16.3nvpair=nvlist_add_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_add_uint16_array.3nvpair=nvlist_add_boolean.3nvpair
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+s usr/share/man/man3nvpair/nvlist_lookup_double.3nvpair=nvlist_lookup_boolean.3nvpair
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+s usr/share/man/man3nvpair/nvlist_lookup_int32.3nvpair=nvlist_lookup_boolean.3nvpair
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+s usr/share/man/man3nvpair/nvlist_lookup_uint16_array.3nvpair=nvlist_lookup_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_lookup_uint32.3nvpair=nvlist_lookup_boolean.3nvpair
+s usr/share/man/man3nvpair/nvlist_lookup_uint32_array.3nvpair=nvlist_lookup_boolean.3nvpair
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+f usr/share/man/man3picltree/ptree_get_propinfo_by_name.3picltree 0444 root bin
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+s usr/share/man/man3scf/scf_service_get_instance.3scf=scf_instance_create.3scf
+s usr/share/man/man3scf/scf_service_get_name.3scf=scf_service_create.3scf
+s usr/share/man/man3scf/scf_service_get_parent.3scf=scf_service_create.3scf
+s usr/share/man/man3scf/scf_service_get_pg.3scf=scf_pg_create.3scf
+s usr/share/man/man3scf/scf_service_handle.3scf=scf_service_create.3scf
+s usr/share/man/man3scf/scf_service_to_fmri.3scf=scf_handle_decode_fmri.3scf
+s usr/share/man/man3scf/scf_simple_app_props_free.3scf=scf_simple_prop_get.3scf
+s usr/share/man/man3scf/scf_simple_app_props_get.3scf=scf_simple_prop_get.3scf
+s usr/share/man/man3scf/scf_simple_app_props_next.3scf=scf_simple_prop_get.3scf
+s usr/share/man/man3scf/scf_simple_app_props_search.3scf=scf_simple_prop_get.3scf
+s usr/share/man/man3scf/scf_simple_prop_free.3scf=scf_simple_prop_get.3scf
+f usr/share/man/man3scf/scf_simple_prop_get.3scf 0444 root bin
+s usr/share/man/man3scf/scf_simple_prop_name.3scf=scf_simple_prop_get.3scf
+s usr/share/man/man3scf/scf_simple_prop_next_astring.3scf=scf_simple_prop_get.3scf
+s usr/share/man/man3scf/scf_simple_prop_next_boolean.3scf=scf_simple_prop_get.3scf
+s usr/share/man/man3scf/scf_simple_prop_next_count.3scf=scf_simple_prop_get.3scf
+s usr/share/man/man3scf/scf_simple_prop_next_integer.3scf=scf_simple_prop_get.3scf
+s usr/share/man/man3scf/scf_simple_prop_next_opaque.3scf=scf_simple_prop_get.3scf
+s usr/share/man/man3scf/scf_simple_prop_next_reset.3scf=scf_simple_prop_get.3scf
+s usr/share/man/man3scf/scf_simple_prop_next_time.3scf=scf_simple_prop_get.3scf
+s usr/share/man/man3scf/scf_simple_prop_next_ustring.3scf=scf_simple_prop_get.3scf
+s usr/share/man/man3scf/scf_simple_prop_numvalues.3scf=scf_simple_prop_get.3scf
+s usr/share/man/man3scf/scf_simple_prop_pgname.3scf=scf_simple_prop_get.3scf
+s usr/share/man/man3scf/scf_simple_prop_type.3scf=scf_simple_prop_get.3scf
+f usr/share/man/man3scf/scf_simple_walk_instances.3scf 0444 root bin
+f usr/share/man/man3scf/scf_snaplevel_create.3scf 0444 root bin
+s usr/share/man/man3scf/scf_snaplevel_destroy.3scf=scf_snaplevel_create.3scf
+s usr/share/man/man3scf/scf_snaplevel_get_instance_name.3scf=scf_snaplevel_create.3scf
+s usr/share/man/man3scf/scf_snaplevel_get_next_snaplevel.3scf=scf_snaplevel_create.3scf
+s usr/share/man/man3scf/scf_snaplevel_get_parent.3scf=scf_snaplevel_create.3scf
+s usr/share/man/man3scf/scf_snaplevel_get_pg.3scf=scf_pg_create.3scf
+s usr/share/man/man3scf/scf_snaplevel_get_scope_name.3scf=scf_snaplevel_create.3scf
+s usr/share/man/man3scf/scf_snaplevel_get_service_name.3scf=scf_snaplevel_create.3scf
+s usr/share/man/man3scf/scf_snaplevel_handle.3scf=scf_snaplevel_create.3scf
+f usr/share/man/man3scf/scf_snapshot_create.3scf 0444 root bin
+s usr/share/man/man3scf/scf_snapshot_destroy.3scf=scf_snapshot_create.3scf
+s usr/share/man/man3scf/scf_snapshot_get_base_snaplevel.3scf=scf_snaplevel_create.3scf
+s usr/share/man/man3scf/scf_snapshot_get_name.3scf=scf_snapshot_create.3scf
+s usr/share/man/man3scf/scf_snapshot_get_parent.3scf=scf_snapshot_create.3scf
+s usr/share/man/man3scf/scf_snapshot_handle.3scf=scf_snapshot_create.3scf
+s usr/share/man/man3scf/scf_snapshot_update.3scf=scf_snapshot_create.3scf
+s usr/share/man/man3scf/scf_strerror.3scf=scf_error.3scf
+s usr/share/man/man3scf/scf_string_to_type.3scf=scf_property_create.3scf
+s usr/share/man/man3scf/scf_tmpl_error_pg.3scf=scf_tmpl_validate_fmri.3scf
+s usr/share/man/man3scf/scf_tmpl_error_pg_tmpl.3scf=scf_tmpl_validate_fmri.3scf
+s usr/share/man/man3scf/scf_tmpl_error_prop.3scf=scf_tmpl_validate_fmri.3scf
+s usr/share/man/man3scf/scf_tmpl_error_prop_tmpl.3scf=scf_tmpl_validate_fmri.3scf
+s usr/share/man/man3scf/scf_tmpl_error_source_fmri.3scf=scf_tmpl_validate_fmri.3scf
+s usr/share/man/man3scf/scf_tmpl_error_type.3scf=scf_tmpl_validate_fmri.3scf
+s usr/share/man/man3scf/scf_tmpl_error_value.3scf=scf_tmpl_validate_fmri.3scf
+s usr/share/man/man3scf/scf_tmpl_errors_destroy.3scf=scf_tmpl_validate_fmri.3scf
+s usr/share/man/man3scf/scf_tmpl_get_by_pg.3scf=scf_tmpl_pg_create.3scf
+s usr/share/man/man3scf/scf_tmpl_get_by_pg_name.3scf=scf_tmpl_pg_create.3scf
+s usr/share/man/man3scf/scf_tmpl_get_by_prop.3scf=scf_tmpl_prop_create.3scf
+s usr/share/man/man3scf/scf_tmpl_iter_pgs.3scf=scf_tmpl_pg_create.3scf
+s usr/share/man/man3scf/scf_tmpl_iter_props.3scf=scf_tmpl_prop_create.3scf
+s usr/share/man/man3scf/scf_tmpl_next_error.3scf=scf_tmpl_validate_fmri.3scf
+s usr/share/man/man3scf/scf_tmpl_pg_common_name.3scf=scf_tmpl_pg_name.3scf
+f usr/share/man/man3scf/scf_tmpl_pg_create.3scf 0444 root bin
+s usr/share/man/man3scf/scf_tmpl_pg_description.3scf=scf_tmpl_pg_name.3scf
+s usr/share/man/man3scf/scf_tmpl_pg_destroy.3scf=scf_tmpl_pg_create.3scf
+f usr/share/man/man3scf/scf_tmpl_pg_name.3scf 0444 root bin
+s usr/share/man/man3scf/scf_tmpl_pg_required.3scf=scf_tmpl_pg_name.3scf
+s usr/share/man/man3scf/scf_tmpl_pg_reset.3scf=scf_tmpl_pg_create.3scf
+s usr/share/man/man3scf/scf_tmpl_pg_target.3scf=scf_tmpl_pg_name.3scf
+s usr/share/man/man3scf/scf_tmpl_pg_type.3scf=scf_tmpl_pg_name.3scf
+s usr/share/man/man3scf/scf_tmpl_prop_cardinality.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_tmpl_prop_common_name.3scf=scf_tmpl_prop_name.3scf
+f usr/share/man/man3scf/scf_tmpl_prop_create.3scf 0444 root bin
+s usr/share/man/man3scf/scf_tmpl_prop_description.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_tmpl_prop_destroy.3scf=scf_tmpl_prop_create.3scf
+s usr/share/man/man3scf/scf_tmpl_prop_internal_seps.3scf=scf_tmpl_prop_name.3scf
+f usr/share/man/man3scf/scf_tmpl_prop_name.3scf 0444 root bin
+s usr/share/man/man3scf/scf_tmpl_prop_required.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_tmpl_prop_reset.3scf=scf_tmpl_prop_create.3scf
+s usr/share/man/man3scf/scf_tmpl_prop_type.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_tmpl_prop_units.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_tmpl_prop_visibility.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_tmpl_reset_errors.3scf=scf_tmpl_validate_fmri.3scf
+s usr/share/man/man3scf/scf_tmpl_strerror.3scf=scf_tmpl_validate_fmri.3scf
+f usr/share/man/man3scf/scf_tmpl_validate_fmri.3scf 0444 root bin
+s usr/share/man/man3scf/scf_tmpl_value_common_name.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_tmpl_value_count_range_choices.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_tmpl_value_count_range_constraints.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_tmpl_value_description.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_tmpl_value_in_constraint.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_tmpl_value_int_range_choices.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_tmpl_value_int_range_constraints.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_tmpl_value_name_choices.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_tmpl_value_name_constraints.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_tmpl_visibility_to_string.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/scf_transaction_commit.3scf=scf_transaction_create.3scf
+f usr/share/man/man3scf/scf_transaction_create.3scf 0444 root bin
+s usr/share/man/man3scf/scf_transaction_destroy.3scf=scf_transaction_create.3scf
+s usr/share/man/man3scf/scf_transaction_destroy_children.3scf=scf_transaction_create.3scf
+s usr/share/man/man3scf/scf_transaction_handle.3scf=scf_transaction_create.3scf
+s usr/share/man/man3scf/scf_transaction_property_change.3scf=scf_transaction_create.3scf
+s usr/share/man/man3scf/scf_transaction_property_change_type.3scf=scf_transaction_create.3scf
+s usr/share/man/man3scf/scf_transaction_property_delete.3scf=scf_transaction_create.3scf
+s usr/share/man/man3scf/scf_transaction_property_new.3scf=scf_transaction_create.3scf
+s usr/share/man/man3scf/scf_transaction_reset.3scf=scf_transaction_create.3scf
+s usr/share/man/man3scf/scf_transaction_reset_all.3scf=scf_transaction_create.3scf
+s usr/share/man/man3scf/scf_transaction_start.3scf=scf_transaction_create.3scf
+s usr/share/man/man3scf/scf_type_base_type.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_type_to_string.3scf=scf_property_create.3scf
+s usr/share/man/man3scf/scf_value_base_type.3scf=scf_value_create.3scf
+f usr/share/man/man3scf/scf_value_create.3scf 0444 root bin
+s usr/share/man/man3scf/scf_value_destroy.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_get_as_string.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_get_as_string_typed.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_get_astring.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_get_boolean.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_get_count.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_get_integer.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_get_opaque.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_get_time.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_get_ustring.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_handle.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_is_type.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_reset.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_set_astring.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_set_boolean.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_set_count.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_set_from_string.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_set_integer.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_set_opaque.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_set_time.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_set_ustring.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_value_type.3scf=scf_value_create.3scf
+s usr/share/man/man3scf/scf_values_destroy.3scf=scf_tmpl_prop_name.3scf
+s usr/share/man/man3scf/smf_degrade_instance.3scf=smf_enable_instance.3scf
+s usr/share/man/man3scf/smf_disable_instance.3scf=smf_enable_instance.3scf
+f usr/share/man/man3scf/smf_enable_instance.3scf 0444 root bin
+s usr/share/man/man3scf/smf_get_state.3scf=smf_enable_instance.3scf
+s usr/share/man/man3scf/smf_maintain_instance.3scf=smf_enable_instance.3scf
+s usr/share/man/man3scf/smf_refresh_instance.3scf=smf_enable_instance.3scf
+s usr/share/man/man3scf/smf_restart_instance.3scf=smf_enable_instance.3scf
+s usr/share/man/man3scf/smf_restore_instance.3scf=smf_enable_instance.3scf
+d usr/share/man/man3sec 0755 root bin
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+d usr/share/man/man3sip 0755 root bin
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+s usr/share/man/man3sip/sip_add_content.3sip=sip_add_from.3sip
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+f usr/share/man/man3sip/sip_add_param.3sip 0444 root bin
+s usr/share/man/man3sip/sip_add_passertedid.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_ppreferredid.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_priority.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_privacy.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_proxy_authen.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_proxy_author.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_proxy_require.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_rack.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_record_route.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_reply_to.3sip=sip_add_from.3sip
+f usr/share/man/man3sip/sip_add_request_line.3sip 0444 root bin
+s usr/share/man/man3sip/sip_add_require.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_response_line.3sip=sip_add_request_line.3sip
+s usr/share/man/man3sip/sip_add_retry_after.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_route.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_rseq.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_server.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_subject.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_substate.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_supported.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_to.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_tstamp.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_unsupported.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_user_agent.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_via.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_warning.3sip=sip_add_from.3sip
+s usr/share/man/man3sip/sip_add_www_authen.3sip=sip_add_from.3sip
+f usr/share/man/man3sip/sip_branchid.3sip 0444 root bin
+s usr/share/man/man3sip/sip_clear_stale_data.3sip=sip_init_conn_object.3sip
+f usr/share/man/man3sip/sip_clone_msg.3sip 0444 root bin
+s usr/share/man/man3sip/sip_conn_destroyed.3sip=sip_init_conn_object.3sip
+s usr/share/man/man3sip/sip_copy_all_headers.3sip=sip_copy_start_line.3sip
+s usr/share/man/man3sip/sip_copy_header.3sip=sip_copy_start_line.3sip
+s usr/share/man/man3sip/sip_copy_header_by_name.3sip=sip_copy_start_line.3sip
+f usr/share/man/man3sip/sip_copy_start_line.3sip 0444 root bin
+f usr/share/man/man3sip/sip_create_OKack.3sip 0444 root bin
+f usr/share/man/man3sip/sip_create_dialog_req.3sip 0444 root bin
+s usr/share/man/man3sip/sip_create_dialog_req_nocontact.3sip=sip_create_dialog_req.3sip
+f usr/share/man/man3sip/sip_create_response.3sip 0444 root bin
+f usr/share/man/man3sip/sip_delete_dialog.3sip 0444 root bin
+s usr/share/man/man3sip/sip_delete_header.3sip=sip_delete_start_line.3sip
+s usr/share/man/man3sip/sip_delete_header_by_name.3sip=sip_delete_start_line.3sip
+f usr/share/man/man3sip/sip_delete_start_line.3sip 0444 root bin
+s usr/share/man/man3sip/sip_delete_value.3sip=sip_delete_start_line.3sip
+s usr/share/man/man3sip/sip_disable_counters.3sip=sip_enable_counters.3sip
+s usr/share/man/man3sip/sip_disable_dialog_logging.3sip=sip_enable_trans_logging.3sip
+s usr/share/man/man3sip/sip_disable_trans_logging.3sip=sip_enable_trans_logging.3sip
+f usr/share/man/man3sip/sip_enable_counters.3sip 0444 root bin
+s usr/share/man/man3sip/sip_enable_dialog_logging.3sip=sip_enable_trans_logging.3sip
+f usr/share/man/man3sip/sip_enable_trans_logging.3sip 0444 root bin
+s usr/share/man/man3sip/sip_free_msg.3sip=sip_hold_msg.3sip
+s usr/share/man/man3sip/sip_free_parsed_uri.3sip=sip_parse_uri.3sip
+s usr/share/man/man3sip/sip_get_accept_enc.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_accept_lang.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_accept_sub_type.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_accept_type.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_alert_info_uri.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_allow_events.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_allow_method.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_authen_info.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_author_param.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_author_scheme.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_branchid.3sip=sip_get_num_via.3sip
+s usr/share/man/man3sip/sip_get_call_info_uri.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_callid.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_callseq_method.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_callseq_num.3sip=sip_get_contact_display_name.3sip
+f usr/share/man/man3sip/sip_get_contact_display_name.3sip 0444 root bin
+s usr/share/man/man3sip/sip_get_contact_uri_str.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_content.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_content_disp.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_content_enc.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_content_lang.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_content_length.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_content_sub_type.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_content_type.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_counter_value.3sip=sip_enable_counters.3sip
+f usr/share/man/man3sip/sip_get_cseq.3sip 0444 root bin
+s usr/share/man/man3sip/sip_get_date_day.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_date_month.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_date_time.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_date_timezone.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_date_wkday.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_date_year.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_dialog_callid.3sip=sip_get_dialog_state.3sip
+s usr/share/man/man3sip/sip_get_dialog_local_contact_uri.3sip=sip_get_dialog_state.3sip
+s usr/share/man/man3sip/sip_get_dialog_local_cseq.3sip=sip_get_dialog_state.3sip
+s usr/share/man/man3sip/sip_get_dialog_local_tag.3sip=sip_get_dialog_state.3sip
+s usr/share/man/man3sip/sip_get_dialog_local_uri.3sip=sip_get_dialog_state.3sip
+s usr/share/man/man3sip/sip_get_dialog_method.3sip=sip_get_dialog_state.3sip
+s usr/share/man/man3sip/sip_get_dialog_msgcnt.3sip=sip_get_dialog_state.3sip
+s usr/share/man/man3sip/sip_get_dialog_remote_cseq.3sip=sip_get_dialog_state.3sip
+s usr/share/man/man3sip/sip_get_dialog_remote_tag.3sip=sip_get_dialog_state.3sip
+s usr/share/man/man3sip/sip_get_dialog_remote_target_uri.3sip=sip_get_dialog_state.3sip
+s usr/share/man/man3sip/sip_get_dialog_remote_uri.3sip=sip_get_dialog_state.3sip
+s usr/share/man/man3sip/sip_get_dialog_route_set.3sip=sip_get_dialog_state.3sip
+f usr/share/man/man3sip/sip_get_dialog_state.3sip 0444 root bin
+s usr/share/man/man3sip/sip_get_dialog_type.3sip=sip_get_dialog_state.3sip
+s usr/share/man/man3sip/sip_get_error_info_uri.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_event.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_expires.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_from_display_name.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_from_tag.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_from_uri_str.3sip=sip_get_contact_display_name.3sip
+f usr/share/man/man3sip/sip_get_header.3sip 0444 root bin
+f usr/share/man/man3sip/sip_get_header_value.3sip 0444 root bin
+s usr/share/man/man3sip/sip_get_in_reply_to.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_maxforward.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_mime_version.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_min_expires.3sip=sip_get_contact_display_name.3sip
+f usr/share/man/man3sip/sip_get_msg_len.3sip 0444 root bin
+s usr/share/man/man3sip/sip_get_next_value.3sip=sip_get_header_value.3sip
+f usr/share/man/man3sip/sip_get_num_via.3sip 0444 root bin
+s usr/share/man/man3sip/sip_get_org.3sip=sip_get_contact_display_name.3sip
+f usr/share/man/man3sip/sip_get_param_value.3sip 0444 root bin
+s usr/share/man/man3sip/sip_get_params.3sip=sip_get_param_value.3sip
+s usr/share/man/man3sip/sip_get_passertedid_display_name.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_passertedid_uri_str.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_ppreferredid_display_name.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_ppreferredid_uri_str.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_priority.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_priv_value.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_proxy_authen_param.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_proxy_authen_scheme.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_proxy_author_param.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_proxy_author_scheme.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_proxy_require.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_rack_cseq_num.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_rack_method.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_rack_resp_num.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_replyto_display_name.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_replyto_uri_str.3sip=sip_get_contact_display_name.3sip
+f usr/share/man/man3sip/sip_get_request_method.3sip 0444 root bin
+f usr/share/man/man3sip/sip_get_request_uri_str.3sip 0444 root bin
+s usr/share/man/man3sip/sip_get_require.3sip=sip_get_contact_display_name.3sip
+f usr/share/man/man3sip/sip_get_resp_desc.3sip 0444 root bin
+s usr/share/man/man3sip/sip_get_response_code.3sip=sip_get_request_method.3sip
+s usr/share/man/man3sip/sip_get_response_phrase.3sip=sip_get_request_method.3sip
+s usr/share/man/man3sip/sip_get_retry_after_cmts.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_retry_after_time.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_route_display_name.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_route_uri_str.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_rseq.3sip=sip_get_cseq.3sip
+s usr/share/man/man3sip/sip_get_rseq_resp_num.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_server.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_sip_version.3sip=sip_get_request_method.3sip
+s usr/share/man/man3sip/sip_get_subject.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_substate.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_supported.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_to_display_name.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_to_tag.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_to_uri_str.3sip=sip_get_contact_display_name.3sip
+f usr/share/man/man3sip/sip_get_trans.3sip 0444 root bin
+s usr/share/man/man3sip/sip_get_trans_branchid.3sip=sip_get_trans_method.3sip
+s usr/share/man/man3sip/sip_get_trans_conn_obj.3sip=sip_get_trans_method.3sip
+f usr/share/man/man3sip/sip_get_trans_method.3sip 0444 root bin
+s usr/share/man/man3sip/sip_get_trans_orig_msg.3sip=sip_get_trans_method.3sip
+s usr/share/man/man3sip/sip_get_trans_resp_msg.3sip=sip_get_trans_method.3sip
+s usr/share/man/man3sip/sip_get_trans_state.3sip=sip_get_trans_method.3sip
+s usr/share/man/man3sip/sip_get_tstamp_delay.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_tstamp_value.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_unsupported.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_uri_errflags.3sip=sip_is_sip_uri.3sip
+s usr/share/man/man3sip/sip_get_uri_headers.3sip=sip_is_sip_uri.3sip
+s usr/share/man/man3sip/sip_get_uri_host.3sip=sip_is_sip_uri.3sip
+s usr/share/man/man3sip/sip_get_uri_opaque.3sip=sip_is_sip_uri.3sip
+s usr/share/man/man3sip/sip_get_uri_params.3sip=sip_is_sip_uri.3sip
+f usr/share/man/man3sip/sip_get_uri_parsed.3sip 0444 root bin
+s usr/share/man/man3sip/sip_get_uri_password.3sip=sip_is_sip_uri.3sip
+s usr/share/man/man3sip/sip_get_uri_path.3sip=sip_is_sip_uri.3sip
+s usr/share/man/man3sip/sip_get_uri_port.3sip=sip_is_sip_uri.3sip
+s usr/share/man/man3sip/sip_get_uri_query.3sip=sip_is_sip_uri.3sip
+s usr/share/man/man3sip/sip_get_uri_regname.3sip=sip_is_sip_uri.3sip
+s usr/share/man/man3sip/sip_get_uri_scheme.3sip=sip_is_sip_uri.3sip
+s usr/share/man/man3sip/sip_get_uri_user.3sip=sip_is_sip_uri.3sip
+s usr/share/man/man3sip/sip_get_user_agent.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_via_sent_by_host.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_via_sent_by_port.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_via_sent_protocol_name.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_via_sent_protocol_version.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_via_sent_transport.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_warning_agent.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_warning_code.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_warning_text.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_www_authen_param.3sip=sip_get_contact_display_name.3sip
+s usr/share/man/man3sip/sip_get_www_authen_scheme.3sip=sip_get_contact_display_name.3sip
+f usr/share/man/man3sip/sip_guid.3sip 0444 root bin
+s usr/share/man/man3sip/sip_hdr_to_str.3sip=sip_msg_to_str.3sip
+f usr/share/man/man3sip/sip_hold_dialog.3sip 0444 root bin
+f usr/share/man/man3sip/sip_hold_msg.3sip 0444 root bin
+f usr/share/man/man3sip/sip_hold_trans.3sip 0444 root bin
+f usr/share/man/man3sip/sip_init_conn_object.3sip 0444 root bin
+s usr/share/man/man3sip/sip_is_dialog_secure.3sip=sip_get_dialog_state.3sip
+s usr/share/man/man3sip/sip_is_param_present.3sip=sip_get_param_value.3sip
+f usr/share/man/man3sip/sip_is_sip_uri.3sip 0444 root bin
+s usr/share/man/man3sip/sip_is_uri_teluser.3sip=sip_is_sip_uri.3sip
+s usr/share/man/man3sip/sip_message_is_response.3sip=sip_msg_is_request.3sip
+f usr/share/man/man3sip/sip_msg_is_request.3sip 0444 root bin
+f usr/share/man/man3sip/sip_msg_to_str.3sip 0444 root bin
+f usr/share/man/man3sip/sip_new_msg.3sip 0444 root bin
+f usr/share/man/man3sip/sip_parse_uri.3sip 0444 root bin
+f usr/share/man/man3sip/sip_process_new_packet.3sip 0444 root bin
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+f usr/xpg4/bin/basename 0555 root bin
+f usr/xpg4/bin/batch 0555 root bin
+s usr/xpg4/bin/bg=../../bin/alias
+s usr/xpg4/bin/cd=../../bin/alias
+f usr/xpg4/bin/chgrp 0555 root bin
+f usr/xpg4/bin/chown 0555 root bin
+s usr/xpg4/bin/command=../../bin/alias
+f usr/xpg4/bin/cp 0555 root bin
+f usr/xpg4/bin/crontab 4555 root bin
+f usr/xpg4/bin/ctags 0555 root bin
+f usr/xpg4/bin/date 0555 root bin
+f usr/xpg4/bin/df 0555 root bin
+f usr/xpg4/bin/du 0555 root bin
+f usr/xpg4/bin/ed 0555 root bin
+f usr/xpg4/bin/edit 0555 root bin
+h usr/xpg4/bin/egrep=usr/xpg4/bin/grep
+f usr/xpg4/bin/env 0555 root bin
+h usr/xpg4/bin/ex=usr/xpg4/bin/edit
+f usr/xpg4/bin/expr 0555 root bin
+s usr/xpg4/bin/fc=../../bin/alias
+s usr/xpg4/bin/fg=../../bin/alias
+h usr/xpg4/bin/fgrep=usr/xpg4/bin/grep
+f usr/xpg4/bin/file 0555 root bin
+f usr/xpg4/bin/find 0555 root bin
+f usr/xpg4/bin/getconf 0555 root bin
+s usr/xpg4/bin/getopts=../../bin/alias
+f usr/xpg4/bin/grep 0555 root bin
+s usr/xpg4/bin/hash=../../bin/alias
+f usr/xpg4/bin/id 0555 root bin
+s usr/xpg4/bin/ipcs=../../bin/ipcs
+s usr/xpg4/bin/jobs=../../bin/alias
+s usr/xpg4/bin/kill=../../bin/alias
+f usr/xpg4/bin/link 0555 root bin
+h usr/xpg4/bin/ln=usr/xpg4/bin/cp
+f usr/xpg4/bin/ls 0555 root bin
+f usr/xpg4/bin/m4 0555 root bin
+f usr/xpg4/bin/more 0555 root bin
+h usr/xpg4/bin/mv=usr/xpg4/bin/cp
+f usr/xpg4/bin/nice 0555 root bin
+f usr/xpg4/bin/nl 0555 root bin
+f usr/xpg4/bin/nm 0555 root bin
+f usr/xpg4/bin/nohup 0555 root bin
+s usr/xpg4/bin/od=../../bin/od
+s usr/xpg4/bin/pfsh=../../bin/pfexec
+f usr/xpg4/bin/pr 0555 root bin
+s usr/xpg4/bin/read=../../bin/alias
+f usr/xpg4/bin/rm 0555 root bin
+f usr/xpg4/bin/sed 0555 root bin
+s usr/xpg4/bin/sh=../../bin/ksh93
+f usr/xpg4/bin/sort 0555 root bin
+f usr/xpg4/bin/stty 0555 root bin
+s usr/xpg4/bin/tail=../../bin/tail
+s usr/xpg4/bin/test=../../bin/alias
+s usr/xpg4/bin/tr=../../bin/tr
+s usr/xpg4/bin/type=../../bin/alias
+s usr/xpg4/bin/ulimit=../../bin/alias
+s usr/xpg4/bin/umask=../../bin/alias
+s usr/xpg4/bin/unalias=../../bin/alias
+h usr/xpg4/bin/vedit=usr/xpg4/bin/edit
+h usr/xpg4/bin/vi=usr/xpg4/bin/edit
+h usr/xpg4/bin/view=usr/xpg4/bin/edit
+s usr/xpg4/bin/wait=../../bin/alias
+f usr/xpg4/bin/who 0555 root bin
+d usr/xpg4/include 0755 root bin
+f usr/xpg4/include/curses.h 0644 root bin
+f usr/xpg4/include/term.h 0644 root bin
+f usr/xpg4/include/unctrl.h 0644 root bin
+d usr/xpg4/lib 0755 root bin
+s usr/xpg4/lib/64=amd64
+d usr/xpg4/lib/amd64 0755 root bin
+f usr/xpg4/lib/amd64/libcurses.so.1 0755 root bin
+f usr/xpg4/lib/amd64/libcurses.so.2 0755 root bin
+s usr/xpg4/lib/amd64/libcurses.so=libcurses.so.2
+f usr/xpg4/lib/libcurses.so.1 0755 root bin
+f usr/xpg4/lib/libcurses.so.2 0755 root bin
+s usr/xpg4/lib/libcurses.so=libcurses.so.2
+d var 0755 root sys
+d var/adm 0775 root sys
+d var/adm/acct 0775 adm adm
+d var/adm/acct/fiscal 0775 adm adm
+d var/adm/acct/nite 0775 adm adm
+d var/adm/acct/sum 0775 adm adm
+d var/adm/exacct 0755 adm adm
+d var/adm/log 0755 adm adm
+d var/adm/pool 0755 root sys
+d var/adm/sa 0775 adm sys
+d var/adm/sm.bin 0755 root sys
+d var/adm/streams 0755 root sys
+d var/audit 0755 root sys
+d var/cache 0755 root bin
+d var/cores 0755 root sys
+d var/cron 0755 root sys
+d var/db 0755 root sys
+d var/db/ipf 0755 root sys
+d var/fm 0755 root sys
+d var/fm/fmd 0755 root sys
+d var/fm/fmd/ckpt 0755 root sys
+d var/fm/fmd/rsrc 0755 root sys
+d var/fm/fmd/xprt 0755 root sys
+d var/games 0755 root bin
+d var/idmap 0755 daemon daemon
+d var/inet 0755 root sys
+d var/krb5 0755 root sys
+d var/krb5/rcache 1777 root sys
+d var/krb5/rcache/root 0700 root sys
+d var/ldap 0755 root sys
+d var/lib 0755 root other
+d var/lib/sgml 0755 root sys
+s var/lib/sgml/CATALOG.jade_dsl=CATALOG.openjade
+d var/log 0755 root sys
+d var/log/pool 0755 root sys
+d var/logadm 0755 root bin
+d var/mail 1777 root mail
+d var/mail/:saved 0775 root mail
+d var/news 0755 root bin
+d var/ntp 0755 root sys
+d var/ntp/ntpstats 0755 root sys
+d var/opt 0755 root sys
+d var/pkg 0755 root root
+d var/pkg/download 0755 root root
+d var/pkg/file 0755 root root
+d var/pkg/history 0755 root root
+d var/pkg/index 0755 root root
+d var/pkg/pkg 0755 root root
+d var/pkg/publisher 0755 root root
+d var/pkg/state 0755 root root
+d var/pkg/state/installed 0755 root root
+d var/pkg/state/known 0755 root root
+d var/pkg/tmp 0755 root root
+d var/preserve 1777 root bin
+d var/run 0755 root sys
+d var/sadm 0755 root sys
+d var/sadm/install 0755 root bin
+d var/sadm/install/admin 0755 root bin
+d var/sadm/install/logs 0555 root bin
+d var/sadm/install_data 0755 root sys
+d var/sadm/pkg 0555 root sys
+d var/sadm/security 0555 root sys
+d var/sadm/softinfo 0755 root sys
+s var/sadm/softinfo/INST_RELEASE=../system/admin/INST_RELEASE
+d var/sadm/system 0755 root sys
+d var/sadm/system/admin 0755 root sys
+d var/sadm/system/admin/services 0755 root sys
+d var/sadm/system/data 0755 root sys
+d var/sadm/system/logs 0755 root sys
+d var/saf 0755 root bin
+d var/saf/zsmon 0755 root sys
+d var/smb 0755 root sys
+d var/spool 0755 root bin
+d var/spool/clientmqueue 0770 smmsp smmsp
+d var/spool/cron 0755 root sys
+d var/spool/cron/atjobs 0755 root sys
+d var/spool/cron/crontabs 0755 root sys
+d var/spool/locks 0755 uucp uucp
+d var/spool/mqueue 0750 root bin
+d var/spool/pkg 1777 root bin
+d var/ssh 0755 root sys
+d var/svc 0755 root sys
+d var/svc/log 0755 root sys
+d var/svc/manifest 0755 root sys
+d var/svc/manifest/application 0755 root sys
+d var/svc/manifest/application/management 0755 root sys
+d var/svc/manifest/application/security 0755 root sys
+d var/svc/manifest/device 0755 root sys
+d var/svc/manifest/milestone 0755 root sys
+d var/svc/manifest/network 0755 root sys
+d var/svc/manifest/network/dns 0755 root sys
+d var/svc/manifest/network/ipsec 0755 root sys
+d var/svc/manifest/network/ldap 0755 root sys
+d var/svc/manifest/network/nfs 0755 root sys
+d var/svc/manifest/network/nis 0755 root sys
+d var/svc/manifest/network/routing 0755 root sys
+d var/svc/manifest/network/rpc 0755 root sys
+d var/svc/manifest/network/security 0755 root sys
+d var/svc/manifest/network/shares 0755 root sys
+d var/svc/manifest/network/ssl 0755 root sys
+d var/svc/manifest/platform 0755 root sys
+d var/svc/manifest/site 0755 root sys
+d var/svc/manifest/system 0755 root sys
+d var/svc/manifest/system/device 0755 root sys
+d var/svc/manifest/system/filesystem 0755 root sys
+d var/svc/manifest/system/security 0755 root sys
+d var/svc/manifest/system/svc 0755 root sys
+d var/svc/profile 0755 root sys
+d var/tmp 1777 root sys
+d var/yp 0755 root bin
+d var/yp/binding 0755 root bin
diff --git a/usr/src/Makefile b/usr/src/Makefile
index b9be247888..66cda2ade3 100644
--- a/usr/src/Makefile
+++ b/usr/src/Makefile
@@ -46,7 +46,7 @@ $(SPARC_BLD)psm: stand
 
 SUBDIRS= $(COMMON_SUBDIRS) $($(MACH)_SUBDIRS)
 
-HDRSUBDIRS=	uts head lib cmd
+HDRSUBDIRS=	uts head lib cmd ucbhead
 
 # UCB headers are bug-for-bug compatible and not checkable against the header
 # standards.
@@ -56,7 +56,7 @@ CHKHDRSUBDIRS=	head uts lib
 #
 # Headers that can be built in parallel
 #
-PARALLEL_HEADERS = sysheaders userheaders libheaders cmdheaders
+PARALLEL_HEADERS = sysheaders userheaders libheaders ucbheaders cmdheaders
 
 #
 # Directories that can be built in parallel
@@ -111,7 +111,7 @@ all: mapfiles closedbins sgs .WAIT $(SUBDIRS) pkg
 # packaging to be pulled from $(SRC) and $(CLOSED) and staged in
 # $(ROOT)/licenses.
 #
-install: install1 install2 _msg stage-licenses
+install: install1 install2 _msg
 	@cd msg; pwd; $(MAKE) _msg
 	@rm -rf "$(ROOT)/catalog"
 
@@ -162,13 +162,13 @@ closedbins: bldtools $(ROOTDIRS) FRC
 .PARALLEL: $(PARALLEL_HEADERS) DUMMY
 .PARALLEL: $(PARALLEL_DIRS) DUMMY
 
-$(SUBDIRS) head pkg: FRC
+$(SUBDIRS) head ucbhead pkg: FRC
 	@cd $@; pwd; $(MAKE) $(TARGET)
 
 # librpcsvc has a dependency on headers installed by
 # userheaders, hence the .WAIT before libheaders.
 sgs: rootdirs .WAIT sysheaders userheaders .WAIT \
-	libheaders cmdheaders
+	libheaders ucbheaders cmdheaders
 
 #
 # Top-level setup target to setup the development environment that includes
@@ -205,6 +205,9 @@ libheaders: bldtools
 sysheaders: FRC
 	@cd uts; pwd; $(MAKE) install_h
 
+ucbheaders: FRC
+	@cd ucbhead; pwd; $(MAKE) install_h
+
 cmdheaders: FRC
 	@cd cmd/fm; pwd; $(MAKE) install_h
 	@cd cmd/mdb; pwd; $(MAKE) install_h
diff --git a/usr/src/Makefile.lint b/usr/src/Makefile.lint
index 465c40d3a6..0f8de0abb3 100644
--- a/usr/src/Makefile.lint
+++ b/usr/src/Makefile.lint
@@ -194,6 +194,7 @@ COMMON_SUBDIRS = \
 	cmd/ls \
 	cmd/luxadm \
 	cmd/lvm \
+	cmd/machid \
 	cmd/mailwrapper \
 	cmd/makekey \
 	cmd/mdb \
@@ -338,6 +339,7 @@ COMMON_SUBDIRS = \
 	lib/libbe \
 	lib/pylibbe \
 	lib/brand/sn1 \
+	lib/brand/sngl \
 	lib/brand/solaris10 \
 	lib/crypt_modules \
 	lib/extendedFILE \
@@ -460,7 +462,6 @@ COMMON_SUBDIRS = \
 	lib/pam_modules \
 	lib/passwdutil \
 	lib/pkcs11 \
-	lib/print \
 	lib/raidcfg_plugins \
 	lib/scsi \
 	lib/smbsrv \
@@ -485,6 +486,7 @@ i386_SUBDIRS= \
 	cmd/biosdev \
 	cmd/rtc \
 	cmd/ucodeadm \
+	lib/brand/lx \
 	lib/cfgadm_plugins/sata \
 	lib/cfgadm_plugins/sbd \
 	lib/libfdisk
diff --git a/usr/src/Makefile.master b/usr/src/Makefile.master
index d77f0d951c..7a7d604b70 100644
--- a/usr/src/Makefile.master
+++ b/usr/src/Makefile.master
@@ -163,6 +163,7 @@ JAVADOC=	$(JAVA_ROOT)/bin/javadoc
 RMIC=		$(JAVA_ROOT)/bin/rmic
 JAR=		$(JAVA_ROOT)/bin/jar
 CTFCONVERT=	$(ONBLD_TOOLS)/bin/$(MACH)/ctfconvert
+CTFDIFF=	$(ONBLD_TOOLS)/bin/$(MACH)/ctfdiff
 CTFMERGE=	$(ONBLD_TOOLS)/bin/$(MACH)/ctfmerge
 CTFSTABS=	$(ONBLD_TOOLS)/bin/$(MACH)/ctfstabs
 CTFSTRIP=	$(ONBLD_TOOLS)/bin/$(MACH)/ctfstrip
@@ -171,8 +172,8 @@ GENOFFSETS=	$(ONBLD_TOOLS)/bin/genoffsets
 XREF=		$(ONBLD_TOOLS)/bin/xref
 FIND=		/usr/bin/find
 PERL=		/usr/bin/perl
-PERL_VERSION=	5.10.0
-PERL_PKGVERS=	-510
+PERL_VERSION=	5.12
+PERL_PKGVERS=	-512
 PERL_ARCH =		i86pc-solaris-64int
 $(SPARC_BLD)PERL_ARCH =	sun4-solaris-64int
 PYTHON_26=	/usr/bin/python2.6
@@ -241,7 +242,8 @@ INS.symlink=	$(RM) $@; $(SYMLINK) $(INSLINKTARGET) $@
 # rebuilds if the baked-in mtime != the mtime of the source file
 # (rather than only if it's less than), thus when installing python
 # files we must make certain to not adjust the mtime of the source
-# (.py) file.
+# (.py) file. As a part of this we also go through and change the #!
+# line in the python script to that of the actual python we are using.
 #
 INS.pyfile=	$(INS.file); $(TOUCH) -r $< $@
 
@@ -423,9 +425,17 @@ sparcv9_COPTFLAG=	-xO3
 i386_COPTFLAG=		-O
 amd64_COPTFLAG=		-xO3
 
+# This would normally be added by cw(1) but cannot be while we want to support
+# Both GCC 3.x and GCC 4.x
+$(__GNUC4)$(MACH)_COPTFLAG += -_gcc=-fno-inline-small-functions \
+	-_gcc=-fno-inline-functions-called-once
+$(__GNUC4)$(MACH64)_COPTFLAG += -_gcc=-fno-inline-small-functions \
+	-_gcc=-fno-inline-functions-called-once
+
 COPTFLAG= $($(MACH)_COPTFLAG)
 COPTFLAG64= $($(MACH64)_COPTFLAG)
 
+
 # When -g is used, the compiler globalizes static objects
 # (gives them a unique prefix). Disable that.
 CNOGLOBAL= -W0,-noglobal
@@ -1089,9 +1099,16 @@ PKGPUBLISHER_NONREDIST=	on-extra
 	$(RM) $@;
 	$(SED) -e "s@TEXT_DOMAIN@\"$(TEXT_DOMAIN)\"@" $< > $@;
 	$(CHMOD) +x $@
+#
+# You might ask why we aren't using -i for sed here. That's because illumos
+# 1815 hasn't been fixed and sadly we didn't back out something that broke a lot
+# of working code in favor of GNU compatibility.
+#
+SED.py=	$(SED) -e 's?^$(POUND_SIGN)!ON_PYTHON_26$$?$(POUND_SIGN)!$(PYTHON_26)?' \
+	    -e 's?^$(POUND_SIGN)!ON_PYTHON$$?$(POUND_SIGN)!$(PYTHON)?'
 
 .py:
-	$(RM) $@; $(CAT) $< > $@; $(CHMOD) +x $@
+	$(RM) $@; $(SED.py) $< > $@; $(CHMOD) +x $@
 
 .py.pyc:
 	$(RM) $@
diff --git a/usr/src/Makefile.master.64 b/usr/src/Makefile.master.64
index 79ed039f66..c512cfc004 100644
--- a/usr/src/Makefile.master.64
+++ b/usr/src/Makefile.master.64
@@ -21,6 +21,7 @@
 #
 # Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
 # Copyright 2014 Garrett D'Amore <garrett@damore.org>
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
 #
 
 # rebind basic build macros to 64-bit versions
@@ -68,7 +69,7 @@ REAL_CC=	$(CW_CC_CMD:sh)
 REAL_CCC=	$(CW_CCC_CMD:sh)
 
 BUILD.SO=	$(CC) $(CFLAGS) -o $@ $(GSHARED) $(DYNFLAGS) \
-		$(PICS) $(EXTPICS) -L $(ROOTLIBDIR64) $(LDLIBS)
+		$(PICS) $(EXTPICS) $(USDT_PICS) -L $(ROOTLIBDIR64) $(LDLIBS)
 
 #
 # ld(1) requires the -64 option to create a 64-bit filter solely from a mapfile
diff --git a/usr/src/Targetdirs b/usr/src/Targetdirs
index 9e278ab15c..3b9ddcda35 100644
--- a/usr/src/Targetdirs
+++ b/usr/src/Targetdirs
@@ -53,6 +53,9 @@ i386_DIRS=			\
 	/boot/grub/bin		\
 	/platform/i86pc		\
 	/lib/libmvec		\
+	/usr/lib/brand/lx	\
+	/usr/lib/brand/lx/amd64 \
+	/usr/lib/brand/lx/distros \
 	/usr/lib/xen		\
 	/usr/lib/xen/bin
 
@@ -206,6 +209,7 @@ DIRS= \
 	/root  \
 	/sbin  \
 	/system \
+	/system/boot \
 	/system/contract \
 	/system/object \
 	/tmp \
@@ -248,6 +252,7 @@ DIRS= \
 	/usr/lib/brand/labeled \
 	/usr/lib/brand/shared \
 	/usr/lib/brand/sn1 \
+	/usr/lib/brand/sngl \
 	/usr/lib/brand/solaris10 \
 	/usr/lib/class \
 	/usr/lib/class/FSS \
@@ -280,6 +285,7 @@ DIRS= \
 	/usr/lib/mdb/kvm \
 	/usr/lib/mdb/proc \
 	/usr/lib/nfs \
+	/usr/lib/varpd \
 	/usr/net \
 	/usr/net/servers \
 	/usr/lib/pool \
@@ -530,6 +536,7 @@ DIRS64= \
 	/usr/lib/$(MACH64) \
 	/usr/lib/$(MACH64)/gss \
 	/usr/lib/brand/sn1/$(MACH64) \
+	/usr/lib/brand/sngl/$(MACH64) \
 	/usr/lib/brand/solaris10/$(MACH64) \
 	/usr/lib/elfedit/$(MACH64) \
 	/usr/lib/fm/$(MACH64) \
@@ -549,6 +556,7 @@ DIRS64= \
 	/usr/lib/security/$(MACH64) \
 	/usr/lib/smbsrv/$(MACH64) \
 	/usr/lib/abi/$(MACH64) \
+	/usr/lib/varpd/$(MACH64) \
 	/usr/sbin/$(MACH64) \
 	/usr/ucb/$(MACH64) \
 	/usr/ucblib/$(MACH64) \
@@ -592,6 +600,9 @@ SYM.DIRS= \
 	/usr/ucblib/32 \
 	/var/ld/32
 
+i386_SYM.DIRS64= \
+	/usr/lib/brand/lx/64
+
 sparc_SYM.DIRS64=
 
 SYM.DIRS64= \
@@ -601,6 +612,7 @@ SYM.DIRS64= \
 	/lib/secure/64 \
 	/usr/lib/64 \
 	/usr/lib/brand/sn1/64 \
+	/usr/lib/brand/sngl/64 \
 	/usr/lib/brand/solaris10/64 \
 	/usr/lib/elfedit/64 \
 	/usr/lib/libp/64 \
@@ -608,6 +620,7 @@ SYM.DIRS64= \
 	/usr/lib/lwp/64 \
 	/usr/lib/secure/64 \
 	/usr/lib/security/64 \
+	/usr/lib/varpd/64 \
 	/usr/xpg4/lib/64 \
 	/var/ld/64 \
 	/usr/ucblib/64
@@ -708,13 +721,16 @@ $(BUILD64) $(ROOT)/lib/crypto/64:=	LINKDEST=$(MACH64)
 $(BUILD64) $(ROOT)/lib/secure/64:=	LINKDEST=$(MACH64)
 $(BUILD64) $(ROOT)/usr/lib/64:=		LINKDEST=$(MACH64)
 $(BUILD64) $(ROOT)/usr/lib/elfedit/64:=	LINKDEST=$(MACH64)
+$(BUILD64) $(ROOT)/usr/lib/brand/lx/64:=	LINKDEST=$(MACH64)
 $(BUILD64) $(ROOT)/usr/lib/brand/sn1/64:=	LINKDEST=$(MACH64)
+$(BUILD64) $(ROOT)/usr/lib/brand/sngl/64:=	LINKDEST=$(MACH64)
 $(BUILD64) $(ROOT)/usr/lib/brand/solaris10/64:=	LINKDEST=$(MACH64)
 $(BUILD64) $(ROOT)/usr/lib/libp/64:=	LINKDEST=$(MACH64)
 $(BUILD64) $(ROOT)/usr/lib/lwp/64:=	LINKDEST=$(MACH64)
 $(BUILD64) $(ROOT)/usr/lib/link_audit/64:=	LINKDEST=$(MACH64)
 $(BUILD64) $(ROOT)/usr/lib/secure/64:=	LINKDEST=$(MACH64)
 $(BUILD64) $(ROOT)/usr/lib/security/64:=	LINKDEST=$(MACH64)
+$(BUILD64) $(ROOT)/usr/lib/varpd/64:=	LINKDEST=$(MACH64)
 $(BUILD64) $(ROOT)/usr/xpg4/lib/64:=	LINKDEST=$(MACH64)
 $(BUILD64) $(ROOT)/var/ld/64:=		LINKDEST=$(MACH64)
 $(BUILD64) $(ROOT)/usr/ucblib/64:=	LINKDEST=$(MACH64)
diff --git a/usr/src/cmd/Makefile b/usr/src/cmd/Makefile
index f54e0f9c4b..f2144f91d8 100644
--- a/usr/src/cmd/Makefile
+++ b/usr/src/cmd/Makefile
@@ -21,7 +21,7 @@
 
 # Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
 # Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
-# Copyright (c) 2012 Joyent, Inc.  All rights reserved.
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
 # Copyright (c) 2012 by Delphix. All rights reserved.
 # Copyright (c) 2013 DEY Storage Systems, Inc. All rights reserved.
 # Copyright 2014 Garrett D'Amore <garrett@damore.org>
@@ -29,8 +29,8 @@
 include ../Makefile.master
 
 #
-#	Note that the commands 'lp', and 'perl' are first in
-#	the list, violating alphabetical order.  This is because they are very
+#	Note that if the 'lp' command were built, it would be first in
+#	the list, violating alphabetical order.  This is because it is very
 #	long-running and should be given the most wall-clock time for a
 #	parallel build.
 #
@@ -51,7 +51,6 @@ FIRST_SUBDIRS=		\
 COMMON_SUBDIRS=		\
 	allocate	\
 	availdevs	\
-	lp		\
 	perl		\
 	Adm		\
 	abi		\
@@ -94,6 +93,7 @@ COMMON_SUBDIRS=		\
 	cmd-crypto	\
 	cmd-inet	\
 	col		\
+	column		\
 	compress	\
 	consadm		\
 	coreadm		\
@@ -103,6 +103,9 @@ COMMON_SUBDIRS=		\
 	crypt		\
 	csh		\
 	csplit		\
+	ctfdiff		\
+	ctfdump		\
+	ctfmerge	\
 	ctrun		\
 	ctstat		\
 	ctwatch		\
@@ -186,7 +189,6 @@ COMMON_SUBDIRS=		\
 	groups		\
 	grpck		\
 	gss		\
-	hal		\
 	halt		\
 	head		\
 	hostid		\
@@ -224,7 +226,6 @@ COMMON_SUBDIRS=		\
 	kvmstat		\
 	last		\
 	lastcomm	\
-	latencytop	\
 	ldap		\
 	ldapcachemgr	\
 	lgrpinfo	\
@@ -245,8 +246,8 @@ COMMON_SUBDIRS=		\
 	look		\
 	ls		\
 	luxadm		\
-	lvm		\
 	mach		\
+	machid		\
 	mail		\
 	mailwrapper	\
 	mailx		\
@@ -280,6 +281,7 @@ COMMON_SUBDIRS=		\
 	news		\
 	newtask		\
 	nice		\
+	nicstat		\
 	nl		\
 	nlsadmin	\
 	nohup		\
@@ -312,7 +314,6 @@ COMMON_SUBDIRS=		\
 	plockstat	\
 	pr		\
 	prctl		\
-	print		\
 	printf		\
 	priocntl	\
 	profiles	\
@@ -330,7 +331,6 @@ COMMON_SUBDIRS=		\
 	pwck		\
 	pwconv		\
 	pwd		\
-	pyzfs		\
 	raidctl		\
 	ramdiskadm	\
 	rcap		\
@@ -433,8 +433,11 @@ COMMON_SUBDIRS=		\
 	utmp_update	\
 	utmpd		\
 	valtools	\
+	varpd		\
 	vgrind		\
 	vi		\
+	vndadm		\
+	vndstat		\
 	volcheck	\
 	volrmmount	\
 	vrrpadm		\
@@ -500,7 +503,6 @@ sparc_SUBDIRS=		\
 # (see previous comment about 'lp'.)
 #
 MSGSUBDIRS=		\
-	lp		\
 	abi		\
 	acctadm		\
 	allocate	\
@@ -612,7 +614,6 @@ MSGSUBDIRS=		\
 	logins		\
 	ls		\
 	luxadm		\
-	lvm		\
 	mailx		\
 	man		\
 	mesg		\
@@ -642,7 +643,6 @@ MSGSUBDIRS=		\
 	power		\
 	pr		\
 	praudit		\
-	print		\
 	profiles	\
 	projadd		\
 	projects	\
@@ -653,7 +653,6 @@ MSGSUBDIRS=		\
 	ptools		\
 	pwconv		\
 	pwd		\
-	pyzfs		\
 	raidctl		\
 	ramdiskadm	\
 	rcap		\
diff --git a/usr/src/cmd/Makefile.check b/usr/src/cmd/Makefile.check
index 96fea6b370..f442650fca 100644
--- a/usr/src/cmd/Makefile.check
+++ b/usr/src/cmd/Makefile.check
@@ -117,7 +117,6 @@ MANIFEST_SUBDIRS=			\
 	krb5/krb5kdc			\
 	krb5/kwarn			\
 	krb5/slave			\
-	lp/cmd/lpsched			\
 	lvm/rpc.mdcommd			\
 	lvm/rpc.metad			\
 	lvm/rpc.metamedd		\
@@ -126,8 +125,6 @@ MANIFEST_SUBDIRS=			\
 	lvm/util			\
 	picl/picld			\
 	pools/poold			\
-	print/bsd-sysv-commands		\
-	print/ppdmgr			\
 	rcap/rcapd			\
 	rpcsvc/rpc.bootparamd		\
 	sendmail/lib			\
diff --git a/usr/src/cmd/cmd-inet/etc/services b/usr/src/cmd/cmd-inet/etc/services
index 37514ac0a7..25ccc7cc43 100644
--- a/usr/src/cmd/cmd-inet/etc/services
+++ b/usr/src/cmd/cmd-inet/etc/services
@@ -1,6 +1,7 @@
 #
 # Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
+# Copyright 2015 Joyent, Inc.
 #
 # CDDL HEADER START
 #
@@ -215,6 +216,8 @@ krb5_prop	754/tcp				# Kerberos V5 KDC propogation
 swat		901/tcp				# Samba Web Adm.Tool
 ufsd		1008/tcp	ufsd		# UFS-aware server
 ufsd		1008/udp	ufsd
+portolan	1296/tcp			# Portolan
+svp-underlay	1339/tcp			# SDC VXLAN underlay invalidation
 cvc		1495/tcp			# Network Console
 ingreslock	1524/tcp
 www-ldap-gw	1760/tcp			# HTTP to LDAP gateway
diff --git a/usr/src/cmd/cmd-inet/etc/sock2path.d/system%2Fkernel b/usr/src/cmd/cmd-inet/etc/sock2path.d/system%2Fkernel
index c62e339953..49151907eb 100644
--- a/usr/src/cmd/cmd-inet/etc/sock2path.d/system%2Fkernel
+++ b/usr/src/cmd/cmd-inet/etc/sock2path.d/system%2Fkernel
@@ -18,6 +18,7 @@
 # CDDL HEADER END
 #
 # Copyright (c) 1995, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2014, Joyent, Inc. All rights reserved.
 #
 # socket configuration information
 #
@@ -52,3 +53,6 @@
 	29	4	1	/dev/spdsock
 
 	31	1	0	trill
+
+	33	1	0	lx_netlink
+	33	4	0	lx_netlink
diff --git a/usr/src/cmd/cmd-inet/lib/ipmgmtd/ipmgmt_door.c b/usr/src/cmd/cmd-inet/lib/ipmgmtd/ipmgmt_door.c
index 8e9e153b21..9f546bcad9 100644
--- a/usr/src/cmd/cmd-inet/lib/ipmgmtd/ipmgmt_door.c
+++ b/usr/src/cmd/cmd-inet/lib/ipmgmtd/ipmgmt_door.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2014, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -112,7 +113,9 @@ ipmgmt_handler(void *cookie, char *argp, size_t argsz, door_desc_t *dp,
 		goto fail;
 	}
 
-	/* check for solaris.network.interface.config authorization */
+	/*
+	 * if not root, check for solaris.network.interface.config authorization
+	 */
 	if (infop->idi_set) {
 		uid_t		uid;
 		struct passwd	pwd;
@@ -124,24 +127,32 @@ ipmgmt_handler(void *cookie, char *argp, size_t argsz, door_desc_t *dp,
 			goto fail;
 		}
 		uid = ucred_getruid(cred);
+		ucred_free(cred);
 		if ((int)uid < 0) {
 			err = errno;
 			ipmgmt_log(LOG_ERR, "Could not get user id.");
 			goto fail;
 		}
-		if (getpwuid_r(uid, &pwd, buf, sizeof (buf)) ==
-		    NULL) {
-			err = errno;
-			ipmgmt_log(LOG_ERR, "Could not get password entry.");
-			goto fail;
-		}
-		if (chkauthattr(NETWORK_INTERFACE_CONFIG_AUTH,
-		    pwd.pw_name) != 1) {
-			err = EPERM;
-			ipmgmt_log(LOG_ERR, "Not authorized for operation.");
-			goto fail;
+
+		/*
+		 * Branded zones may have different auth, but root always
+		 * allowed.
+		 */
+		if (uid != 0) {
+			if (getpwuid_r(uid, &pwd, buf, sizeof (buf)) == NULL) {
+				err = errno;
+				ipmgmt_log(LOG_ERR,
+				    "Could not get password entry.");
+				goto fail;
+			}
+			if (chkauthattr(NETWORK_INTERFACE_CONFIG_AUTH,
+			    pwd.pw_name) != 1) {
+				err = EPERM;
+				ipmgmt_log(LOG_ERR,
+				    "Not authorized for operation.");
+				goto fail;
+			}
 		}
-		ucred_free(cred);
 	}
 
 	/* individual handlers take care of calling door_return */
diff --git a/usr/src/cmd/cmd-inet/lib/ipmgmtd/net-ipmgmt b/usr/src/cmd/cmd-inet/lib/ipmgmtd/net-ipmgmt
index 77b6be9f54..d5812793d4 100644
--- a/usr/src/cmd/cmd-inet/lib/ipmgmtd/net-ipmgmt
+++ b/usr/src/cmd/cmd-inet/lib/ipmgmtd/net-ipmgmt
@@ -21,6 +21,7 @@
 #
 #
 # Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2012, Joyent, Inc. All rights reserved.
 #
 # This daemon stores address object to logical interface number mappings
 # (among other things) and reads/writes from/to ipmgmtd data store.
@@ -38,14 +39,16 @@ fi
 # When the non-global shared-IP stack zone boots, it tries to bring up this
 # service as well. If we don't start a background process and simply exit the
 # service, the service will go into maintenance mode and so will all it's
-# dependents.
+# dependents.  Ideally we would simply exit with SMF_EXIT_NODAEMON, but since
+# this method is also used in an S10C zone, where support for SMF_EXIT_NODAEMON
+# does not exist, we have to stick around.
 #
 # In S10C zone (where this script is also used) smf_isnonglobalzone
 # function is unavailable in smf_include.sh
 #
 if [ `/sbin/zonename` != global ]; then
 	if [ `/sbin/zonename -t` = shared ]; then
-		(while true ; do sleep 3600 ; done) & 
+		(while true ; do sleep 3600 ; done) &
 		exit $SMF_EXIT_OK
 	fi
 fi
diff --git a/usr/src/cmd/cmd-inet/sbin/dhcpagent/request.c b/usr/src/cmd/cmd-inet/sbin/dhcpagent/request.c
index 78da07aebf..9a710f9125 100644
--- a/usr/src/cmd/cmd-inet/sbin/dhcpagent/request.c
+++ b/usr/src/cmd/cmd-inet/sbin/dhcpagent/request.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
  *
  * REQUESTING state of the client state machine.
  */
@@ -38,6 +39,7 @@
 #include <dhcp_hostconf.h>
 #include <dhcpagent_util.h>
 #include <dhcpmsg.h>
+#include <strings.h>
 
 #include "states.h"
 #include "util.h"
@@ -641,8 +643,24 @@ accept_v4_acknak(dhcp_smach_t *dsmp, PKT_LIST *plp)
 	stop_pkt_retransmission(dsmp);
 
 	if (*plp->opts[CD_DHCP_TYPE]->value == NAK) {
-		dhcpmsg(MSG_WARNING, "accept_v4_acknak: NAK on interface %s",
-		    dsmp->dsm_name);
+		char saddr[18];
+
+		saddr[0] = '\0';
+		if (plp->opts[CD_SERVER_ID] != NULL &&
+		    plp->opts[CD_SERVER_ID]->len == sizeof (struct in_addr)) {
+			struct in_addr	t_server;
+
+			bcopy(plp->opts[CD_SERVER_ID]->value, &t_server,
+			    plp->opts[CD_SERVER_ID]->len);
+			(void) strlcpy(saddr, inet_ntoa(t_server),
+			    sizeof (saddr));
+		}
+
+		dhcpmsg(MSG_WARNING, "accept_v4_acknak: NAK on interface %s "
+		    "from %s %s",
+		    dsmp->dsm_name,
+		    inet_ntoa(plp->pktfrom.v4.sin_addr), saddr);
+
 		dsmp->dsm_bad_offers++;
 		free_pkt_entry(plp);
 		dhcp_restart(dsmp);
diff --git a/usr/src/cmd/cmd-inet/usr.lib/mdnsd/DNSCommon.c b/usr/src/cmd/cmd-inet/usr.lib/mdnsd/DNSCommon.c
index ce771e3188..173a8f8325 100644
--- a/usr/src/cmd/cmd-inet/usr.lib/mdnsd/DNSCommon.c
+++ b/usr/src/cmd/cmd-inet/usr.lib/mdnsd/DNSCommon.c
@@ -1485,7 +1485,7 @@ mDNSlocal const mDNSu8 *getOptRdata(const mDNSu8 *ptr, const mDNSu8 *const limit
 			ptr += sizeof(mDNSs32);
 			nread += sizeof(mDNSs32);
 			}
-		else { LogMsg("ERROR: getOptRdata - unknown opt %d", opt->opt); return mDNSNULL; }
+		else { return mDNSNULL; }
 		opt++;  // increment pointer into rdatabody
 		}
 	
diff --git a/usr/src/cmd/cmd-inet/usr.lib/wanboot/p12split/Makefile b/usr/src/cmd/cmd-inet/usr.lib/wanboot/p12split/Makefile
index e93209c9b6..fb8c1cdad6 100644
--- a/usr/src/cmd/cmd-inet/usr.lib/wanboot/p12split/Makefile
+++ b/usr/src/cmd/cmd-inet/usr.lib/wanboot/p12split/Makefile
@@ -25,7 +25,7 @@
 include ../Makefile.com
 
 PROG=		p12split
-LDLIBS +=	-lwanboot -linetutil -lwanbootutil -lcrypto
+LDLIBS +=	-lwanboot -linetutil -lwanbootutil -lsunw_crypto
 CPPFLAGS +=	-I$(CMNCRYPTDIR)
 
 all:		$(PROG)
diff --git a/usr/src/cmd/cmd-inet/usr.lib/wanboot/wanboot-cgi/Makefile b/usr/src/cmd/cmd-inet/usr.lib/wanboot/wanboot-cgi/Makefile
index f4a1f548b7..acad766bd3 100644
--- a/usr/src/cmd/cmd-inet/usr.lib/wanboot/wanboot-cgi/Makefile
+++ b/usr/src/cmd/cmd-inet/usr.lib/wanboot/wanboot-cgi/Makefile
@@ -25,7 +25,7 @@
 include ../Makefile.com
 
 PROG =		wanboot-cgi
-LDLIBS +=	-lgen -lnsl -lwanbootutil -lnvpair -lwanboot -lcrypto
+LDLIBS +=	-lgen -lnsl -lwanbootutil -lnvpair -lwanboot -lsunw_crypto
 CPPFLAGS +=	-I$(CMNCRYPTDIR)
 
 all:		$(PROG)
diff --git a/usr/src/cmd/cmd-inet/usr.lib/wpad/Makefile b/usr/src/cmd/cmd-inet/usr.lib/wpad/Makefile
index 1b82adef80..a743bed065 100644
--- a/usr/src/cmd/cmd-inet/usr.lib/wpad/Makefile
+++ b/usr/src/cmd/cmd-inet/usr.lib/wpad/Makefile
@@ -33,7 +33,7 @@ include	../../../Makefile.cmd
 ROOTMANIFESTDIR = $(ROOTSVCNETWORK)
 
 LDLIBS    += 	-ldladm -ldlpi
-all install := LDLIBS += -lcrypto
+all install := LDLIBS += -lsunw_crypto
 
 LINTFLAGS += 	-u
 
diff --git a/usr/src/cmd/cmd-inet/usr.sbin/routeadm/routeadm.c b/usr/src/cmd/cmd-inet/usr.sbin/routeadm/routeadm.c
index 71a2fc9853..be826baba2 100644
--- a/usr/src/cmd/cmd-inet/usr.sbin/routeadm/routeadm.c
+++ b/usr/src/cmd/cmd-inet/usr.sbin/routeadm/routeadm.c
@@ -21,10 +21,9 @@
 /*
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2012 Joyent, Inc.  All rights reserved.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
@@ -46,6 +45,7 @@
 #include <libscf.h>
 #include <libscf_priv.h>
 #include <libuutil.h>
+#include <ifaddrs.h>
 
 /*
  * This program moves routing management under SMF.  We do this by giving
@@ -2335,8 +2335,8 @@ out:
 
 /*
  *
- * Return the number of IPv6 addresses configured.  This answers the
- * generic question, "is IPv6 configured?".  We only start in.ndpd if IPv6
+ * Return the number of non-loopback IPv6 addresses configured.  This answers
+ * the generic question, "is IPv6 configured?".  We only start in.ndpd if IPv6
  * is configured, and we also only enable IPv6 routing daemons if IPv6 is
  * enabled.
  */
@@ -2344,28 +2344,24 @@ static int
 ra_numv6intfs(void)
 {
 	static int	num = -1;
-	int		ipsock;
-	struct lifnum	lifn;
+	int		cnt;
+	struct ifaddrs *ifp_head, *ifp;
 
 	if (num != -1)
 		return (num);
 
-	if ((ipsock = socket(PF_INET6, SOCK_DGRAM, 0)) == -1) {
-		(void) fprintf(stderr,
-		    gettext("%1$s: unable to open %2$s: %3$s\n"),
-		    myname, IP_DEV_NAME, strerror(errno));
+	if (getifaddrs(&ifp_head) < 0)
 		return (0);
-	}
-	lifn.lifn_family = AF_INET6;
-	lifn.lifn_flags = 0;
 
-	if (ioctl(ipsock, SIOCGLIFNUM, &lifn) == -1) {
-		(void) close(ipsock);
-		return (0);
+	cnt = 0;
+	for (ifp = ifp_head; ifp; ifp = ifp->ifa_next) {
+		if (!(ifp->ifa_flags & IFF_LOOPBACK) &&
+		    (ifp->ifa_flags & IFF_IPV6))
+			cnt++;
 	}
-	(void) close(ipsock);
 
-	return (num = lifn.lifn_count);
+	freeifaddrs(ifp_head);
+	return (num = cnt);
 }
 
 /*
diff --git a/usr/src/cmd/cmd-inet/usr.sbin/snoop/Makefile b/usr/src/cmd/cmd-inet/usr.sbin/snoop/Makefile
index 1d408bccba..5d9ef9e64d 100644
--- a/usr/src/cmd/cmd-inet/usr.sbin/snoop/Makefile
+++ b/usr/src/cmd/cmd-inet/usr.sbin/snoop/Makefile
@@ -22,6 +22,7 @@
 #
 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
+# Copyright 2015 Joyent, Inc.
 #
 
 PROG=	snoop
@@ -39,12 +40,14 @@ OBJS=	nfs4_xdr.o snoop.o snoop_aarp.o snoop_adsp.o snoop_aecho.o \
 	snoop_pppoe.o snoop_rip.o snoop_rip6.o snoop_rpc.o snoop_rpcprint.o \
 	snoop_rpcsec.o snoop_rport.o snoop_rquota.o snoop_rstat.o snoop_rtmp.o \
 	snoop_sctp.o snoop_slp.o snoop_smb.o snoop_socks.o snoop_solarnet.o \
-	snoop_tcp.o snoop_tftp.o snoop_trill.o snoop_udp.o snoop_zip.o
+	snoop_tcp.o snoop_tftp.o snoop_trill.o snoop_udp.o snoop_vxlan.o \
+	snoop_zip.o
 
 SRCS=	$(OBJS:.o=.c)
 HDRS=	snoop.h snoop_mip.h at.h snoop_ospf.h snoop_ospf6.h
 
 include	../../../Makefile.cmd
+include ../../../Makefile.ctf
 
 CPPFLAGS += -I. -I$(SRC)/common/net/dhcp \
 	-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64
diff --git a/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop.c b/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop.c
index 097dd6ee90..6d586ab9b5 100644
--- a/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop.c
+++ b/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop.c
@@ -121,6 +121,7 @@ main(int argc, char **argv)
 	char *output_area;
 	int nbytes;
 	char *datalink = NULL;
+	char *zonename = NULL;
 	dlpi_handle_t dh;
 
 	names[0] = '\0';
@@ -227,7 +228,7 @@ main(int argc, char **argv)
 	}
 	(void) setvbuf(stdout, NULL, _IOLBF, BUFSIZ);
 
-	while ((c = getopt(argc, argv, "at:CPDSi:o:Nn:s:d:I:vVp:f:c:x:U?rqz"))
+	while ((c = getopt(argc, argv, "at:CPDSi:o:Nn:s:d:I:vVp:f:c:x:U?rqz:Z"))
 	    != EOF) {
 		switch (c) {
 		case 'a':
@@ -348,8 +349,11 @@ main(int argc, char **argv)
 		case 'U':
 			Uflg = B_TRUE;
 			break;
-#ifdef	DEBUG
 		case 'z':
+			zonename = optarg;
+			break;
+#ifdef	DEBUG
+		case 'Z':
 			zflg = B_TRUE;
 			break;
 #endif	/* DEBUG */
@@ -371,7 +375,7 @@ main(int argc, char **argv)
 	 * requested was chosen, but that's too hard.
 	 */
 	if (!icapfile) {
-		use_kern_pf = open_datalink(&dh, datalink);
+		use_kern_pf = open_datalink(&dh, datalink, zonename);
 	} else {
 		use_kern_pf = B_FALSE;
 		cap_open_read(icapfile);
diff --git a/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop.h b/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop.h
index e4f182572b..42095bcd34 100644
--- a/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop.h
+++ b/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop.h
@@ -24,6 +24,7 @@
  * Use is subject to license terms.
  *
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #ifndef	_SNOOP_H
@@ -182,7 +183,7 @@ extern void cap_open_read(const char *);
 extern void cap_open_write(const char *);
 extern void cap_read(int, int, int, void (*)(), int);
 extern void cap_close(void);
-extern boolean_t open_datalink(dlpi_handle_t *, const char *);
+extern boolean_t open_datalink(dlpi_handle_t *, const char *, const char *);
 extern void init_datalink(dlpi_handle_t, ulong_t, ulong_t, struct timeval *,
     struct Pf_ext_packetfilt *);
 extern void net_read(dlpi_handle_t, size_t, int, void (*)(), int);
@@ -260,6 +261,7 @@ extern int interpret_socks_reply(int, char *, int);
 extern int interpret_trill(int, struct ether_header **, char *, int *);
 extern int interpret_isis(int, char *, int, boolean_t);
 extern int interpret_bpdu(int, char *, int);
+extern int interpret_vxlan(int, char *, int);
 extern void init_ldap(void);
 extern boolean_t arp_for_ether(char *, struct ether_addr *);
 extern char *ether_ouiname(uint32_t);
diff --git a/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_capture.c b/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_capture.c
index ab6bc292ac..8fbf3fc15f 100644
--- a/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_capture.c
+++ b/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_capture.c
@@ -29,6 +29,7 @@
 #include <strings.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <limits.h>
 #include <setjmp.h>
 #include <sys/types.h>
 #include <sys/signal.h>
@@ -114,7 +115,7 @@ select_datalink(const char *linkname, void *arg)
  * about the datalink useful for building the proper packet filters.
  */
 boolean_t
-open_datalink(dlpi_handle_t *dhp, const char *linkname)
+open_datalink(dlpi_handle_t *dhp, const char *linkname, const char *zonename)
 {
 	int retval;
 	int flags = DLPI_PASSIVE | DLPI_RAW;
@@ -122,6 +123,9 @@ open_datalink(dlpi_handle_t *dhp, const char *linkname)
 	dlpi_info_t dlinfo;
 
 	if (linkname == NULL) {
+		if (zonename != NULL)
+			pr_err("a datalink must be specified with a zone name");
+
 		/*
 		 * Select a datalink to use by default.  Prefer datalinks that
 		 * are plumbed by IP.
@@ -145,7 +149,8 @@ open_datalink(dlpi_handle_t *dhp, const char *linkname)
 		flags |= DLPI_DEVIPNET;
 	if (Iflg || strcmp(linkname, "lo0") == 0)
 		flags |= DLPI_IPNETINFO;
-	if ((retval = dlpi_open(linkname, dhp, flags)) != DLPI_SUCCESS) {
+	if ((retval = dlpi_open_zone(linkname, zonename, dhp,
+	    flags)) != DLPI_SUCCESS) {
 		pr_err("cannot open \"%s\": %s", linkname,
 		    dlpi_strerror(retval));
 	}
@@ -614,6 +619,10 @@ cap_open_read(const char *name)
 
 	if (fstat(capfile_in, &st) < 0)
 		pr_err("couldn't stat %s: %m", name);
+	if (st.st_size > INT_MAX)
+		pr_err("input file size (%llu bytes) exceeds maximum "
+		    "supported size (%d bytes)",
+		    (unsigned long long)st.st_size, INT_MAX);
 	cap_len = st.st_size;
 
 	cap_buffp = mmap(0, cap_len, PROT_READ, MAP_PRIVATE, capfile_in, 0);
diff --git a/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_ether.c b/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_ether.c
index 5c6bde0cd6..029ed66116 100644
--- a/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_ether.c
+++ b/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_ether.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #include <stdio.h>
@@ -54,8 +55,9 @@
 
 static headerlen_fn_t ether_header_len, fddi_header_len, tr_header_len,
     ib_header_len, ipnet_header_len, ipv4_header_len, ipv6_header_len;
-static interpreter_fn_t interpret_ether, interpret_fddi, interpret_tr,
+static interpreter_fn_t interpret_fddi, interpret_tr,
     interpret_ib, interpret_ipnet, interpret_iptun;
+interpreter_fn_t interpret_ether;
 static void addr_copy_swap(struct ether_addr *, struct ether_addr *);
 static int tr_machdr_len(char *, int *, int *);
 
diff --git a/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_rport.c b/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_rport.c
index b84ee3c1b4..c2fcfd7c72 100644
--- a/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_rport.c
+++ b/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_rport.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #include <stdio.h>
@@ -76,6 +77,7 @@ static const struct porttable pt_udp[] = {
 	{ 560,			"RMONITOR" },
 	{ 561,			"MONITOR" },
 	{ IPPORT_SOCKS,		"SOCKS" },
+	{ IPPORT_VXLAN,		"VXLAN" },
 	{ 0,			NULL }
 };
 
@@ -428,6 +430,9 @@ interpret_reserved(int flags, int proto, in_port_t src, in_port_t dst,
 				(void) interpret_socks_reply(flags, data,
 				    dlen);
 			return (1);
+		case IPPORT_VXLAN:
+			(void) interpret_vxlan(flags, data, dlen);
+			return (1);
 		}
 	}
 
diff --git a/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_vxlan.c b/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_vxlan.c
new file mode 100644
index 0000000000..36025ca8f3
--- /dev/null
+++ b/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_vxlan.c
@@ -0,0 +1,68 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Decode VXLAN encapsulated packets.
+ */
+
+#include <sys/vxlan.h>
+#include "snoop.h"
+
+int
+interpret_vxlan(int flags, char *data, int fraglen)
+{
+	vxlan_hdr_t *vxlan = (vxlan_hdr_t *)data;
+	uint32_t id, vxf;
+
+	if (fraglen < sizeof (vxlan_hdr_t)) {
+		if (flags & F_SUM)
+			(void) snprintf(get_sum_line(), MAXLINE,
+			    "VXLAN RUNT");
+		if (flags & F_DTAIL)
+			show_header("VXLAN RUNT:  ", "Short packet", fraglen);
+
+		return (fraglen);
+	}
+
+	id = ntohl(vxlan->vxlan_id) >> VXLAN_ID_SHIFT;
+	vxf = ntohl(vxlan->vxlan_flags);
+
+	if (flags & F_SUM) {
+		(void) snprintf(get_sum_line(), MAXLINE,
+		    "VXLAN VNI=%d", id);
+	}
+
+	if (flags & F_DTAIL) {
+		show_header("VXLAN:  ", "VXLAN Header", sizeof (vxlan_hdr_t));
+		show_space();
+		(void) snprintf(get_line(0, 0), get_line_remain(),
+		    "Flags = 0x%08x", vxf);
+		(void) snprintf(get_line(0, 0), get_line_remain(), "      %s",
+		    getflag(vxf >> 24, VXLAN_F_VDI >> 24, "vni present",
+		    "vni missing"));
+		(void) snprintf(get_line(0, 0), get_line_remain(),
+		    "VXLAN network id (VNI) = %d", id);
+		show_space();
+	}
+
+	if (flags & (F_DTAIL | F_ALLSUM)) {
+		fraglen -= sizeof (vxlan_hdr_t);
+		data += sizeof (vxlan_hdr_t);
+
+		return (interpret_ether(flags, data, fraglen, fraglen));
+	}
+
+	return (0);
+}
diff --git a/usr/src/cmd/column/Makefile b/usr/src/cmd/column/Makefile
new file mode 100644
index 0000000000..ab4cf3390e
--- /dev/null
+++ b/usr/src/cmd/column/Makefile
@@ -0,0 +1,43 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright (c) 2013 Joyent, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+PROG=column
+
+include ../Makefile.cmd
+
+CFLAGS += $(CCVERBOSE)
+
+.KEEP_STATE:
+
+all: $(PROG)
+
+install: all $(ROOTPROG)
+
+clean:
+
+lint:	lint_PROG
+
+include ../Makefile.targ
diff --git a/usr/src/cmd/column/THIRDPARTYLICENSE b/usr/src/cmd/column/THIRDPARTYLICENSE
new file mode 100644
index 0000000000..a80f56cb43
--- /dev/null
+++ b/usr/src/cmd/column/THIRDPARTYLICENSE
@@ -0,0 +1,26 @@
+Copyright (c) 1989, 1993, 1994
+     The Regents of the University of California.  All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+4. Neither the name of the University nor the names of its contributors
+   may be used to endorse or promote products derived from this software
+   without specific prior written permission.
+ *
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
diff --git a/usr/src/cmd/column/THIRDPARTYLICENSE.descrip b/usr/src/cmd/column/THIRDPARTYLICENSE.descrip
new file mode 100644
index 0000000000..42051a2982
--- /dev/null
+++ b/usr/src/cmd/column/THIRDPARTYLICENSE.descrip
@@ -0,0 +1 @@
+PORTIONS OF COLUMN COMMAND FUNCTIONALITY
diff --git a/usr/src/cmd/column/column.c b/usr/src/cmd/column/column.c
new file mode 100644
index 0000000000..4f9a3c81a6
--- /dev/null
+++ b/usr/src/cmd/column/column.c
@@ -0,0 +1,335 @@
+/*
+ * Copyright (c) 1989, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+/*
+ * Portions Copyright (c) 2013  Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef lint
+static const char copyright[] =
+"@(#) Copyright (c) 1989, 1993, 1994\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif
+
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/param.h>
+#include <sys/termios.h>
+
+#include <err.h>
+#include <limits.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <wchar.h>
+#include <wctype.h>
+
+#define	TAB	8
+#define	roundup(x, y)   ((((x)+((y)-1))/(y))*(y))  /* to any y */
+
+static void	c_columnate(void);
+static void	input(FILE *);
+static void	maketbl(void);
+static void	print(void);
+static void	r_columnate(void);
+static void	usage(void);
+static int	width(const wchar_t *);
+
+static int	termwidth = 80;		/* default terminal width */
+
+static int	entries;		/* number of records */
+static int	eval;			/* exit value */
+static int	maxlength;		/* longest record */
+static wchar_t	**list;			/* array of pointers to records */
+static const wchar_t *separator = L"\t "; /* field separator for table option */
+
+int
+main(int argc, char **argv)
+{
+	struct winsize win;
+	FILE *fp;
+	int ch, tflag, xflag;
+	char *p;
+	const char *src;
+	wchar_t *newsep;
+	size_t seplen;
+
+	(void) setlocale(LC_ALL, "");
+
+	if (ioctl(1, TIOCGWINSZ, &win) == -1 || !win.ws_col) {
+		if ((p = getenv("COLUMNS")))
+			termwidth = atoi(p);
+	} else
+		termwidth = win.ws_col;
+
+	tflag = xflag = 0;
+	while ((ch = getopt(argc, argv, "c:s:tx")) != -1)
+		switch (ch) {
+		case 'c':
+			termwidth = atoi(optarg);
+			break;
+		case 's':
+			src = optarg;
+			seplen = mbsrtowcs(NULL, &src, 0, NULL);
+			if (seplen == (size_t)-1)
+				err(1, "bad separator");
+			newsep = malloc((seplen + 1) * sizeof (wchar_t));
+			if (newsep == NULL)
+				err(1, NULL);
+			(void) mbsrtowcs(newsep, &src, seplen + 1, NULL);
+			separator = newsep;
+			break;
+		case 't':
+			tflag = 1;
+			break;
+		case 'x':
+			xflag = 1;
+			break;
+		case '?':
+		default:
+			usage();
+		}
+	argc -= optind;
+	argv += optind;
+
+	if (!*argv)
+		input(stdin);
+	else for (; *argv; ++argv)
+		if ((fp = fopen(*argv, "rF"))) {
+			input(fp);
+			(void) fclose(fp);
+		} else {
+			warn("%s", *argv);
+			eval = 1;
+		}
+
+	if (!entries)
+		exit(eval);
+
+	maxlength = roundup(maxlength + 1, TAB);
+	if (tflag)
+		maketbl();
+	else if (maxlength >= termwidth)
+		print();
+	else if (xflag)
+		c_columnate();
+	else
+		r_columnate();
+	exit(eval);
+
+	/*NOTREACHED*/
+	return (eval);
+}
+
+static void
+c_columnate(void)
+{
+	int chcnt, col, cnt, endcol, numcols;
+	wchar_t **lp;
+
+	numcols = termwidth / maxlength;
+	endcol = maxlength;
+	for (chcnt = col = 0, lp = list; ; ++lp) {
+		(void) wprintf(L"%ls", *lp);
+		chcnt += width(*lp);
+		if (!--entries)
+			break;
+		if (++col == numcols) {
+			chcnt = col = 0;
+			endcol = maxlength;
+			(void) putwchar('\n');
+		} else {
+			while ((cnt = roundup(chcnt + 1, TAB)) <= endcol) {
+				(void) putwchar('\t');
+				chcnt = cnt;
+			}
+			endcol += maxlength;
+		}
+	}
+	if (chcnt)
+		(void) putwchar('\n');
+}
+
+static void
+r_columnate(void)
+{
+	int base, chcnt, cnt, col, endcol, numcols, numrows, row;
+
+	numcols = termwidth / maxlength;
+	numrows = entries / numcols;
+	if (entries % numcols)
+		++numrows;
+
+	for (row = 0; row < numrows; ++row) {
+		endcol = maxlength;
+		for (base = row, chcnt = col = 0; col < numcols; ++col) {
+			(void) wprintf(L"%ls", list[base]);
+			chcnt += width(list[base]);
+			if ((base += numrows) >= entries)
+				break;
+			while ((cnt = roundup(chcnt + 1, TAB)) <= endcol) {
+				(void) putwchar('\t');
+				chcnt = cnt;
+			}
+			endcol += maxlength;
+		}
+		(void) putwchar('\n');
+	}
+}
+
+static void
+print(void)
+{
+	int cnt;
+	wchar_t **lp;
+
+	for (cnt = entries, lp = list; cnt--; ++lp)
+		(void) wprintf(L"%ls\n", *lp);
+}
+
+typedef struct _tbl {
+	wchar_t **list;
+	int cols, *len;
+} TBL;
+#define	DEFCOLS	25
+
+static void
+maketbl(void)
+{
+	TBL *t;
+	int coloff, cnt;
+	wchar_t *p, **lp;
+	int *lens, maxcols;
+	TBL *tbl;
+	wchar_t **cols;
+	wchar_t *last;
+
+	if ((t = tbl = calloc(entries, sizeof (TBL))) == NULL)
+		err(1, (char *)NULL);
+	if ((cols = calloc((maxcols = DEFCOLS), sizeof (*cols))) == NULL)
+		err(1, (char *)NULL);
+	if ((lens = calloc(maxcols, sizeof (int))) == NULL)
+		err(1, (char *)NULL);
+	for (cnt = 0, lp = list; cnt < entries; ++cnt, ++lp, ++t) {
+		for (coloff = 0, p = *lp;
+		    (cols[coloff] = wcstok(p, separator, &last));
+		    p = NULL)
+			if (++coloff == maxcols) {
+				if (!(cols = realloc(cols, ((uint_t)maxcols +
+				    DEFCOLS) * sizeof (char *))) ||
+				    !(lens = realloc(lens,
+				    ((uint_t)maxcols + DEFCOLS) *
+				    sizeof (int))))
+					err(1, NULL);
+				(void) memset((char *)lens + maxcols *
+				    sizeof (int), 0, DEFCOLS * sizeof (int));
+				maxcols += DEFCOLS;
+			}
+		if ((t->list = calloc(coloff, sizeof (*t->list))) == NULL)
+			err(1, (char *)NULL);
+		if ((t->len = calloc(coloff, sizeof (int))) == NULL)
+			err(1, (char *)NULL);
+		for (t->cols = coloff; --coloff >= 0; ) {
+			t->list[coloff] = cols[coloff];
+			t->len[coloff] = width(cols[coloff]);
+			if (t->len[coloff] > lens[coloff])
+				lens[coloff] = t->len[coloff];
+		}
+	}
+	for (cnt = 0, t = tbl; cnt < entries; ++cnt, ++t) {
+		for (coloff = 0; coloff < t->cols  - 1; ++coloff)
+			(void) wprintf(L"%ls%*ls", t->list[coloff],
+			    lens[coloff] - t->len[coloff] + 2, L" ");
+		(void) wprintf(L"%ls\n", t->list[coloff]);
+	}
+}
+
+#define	DEFNUM		1000
+#define	MAXLINELEN	(LINE_MAX + 1)
+
+static void
+input(FILE *fp)
+{
+	static int maxentry;
+	int len;
+	wchar_t *p, buf[MAXLINELEN];
+
+	if (!list)
+		if ((list = calloc((maxentry = DEFNUM), sizeof (*list))) ==
+		    NULL)
+			err(1, (char *)NULL);
+	while (fgetws(buf, MAXLINELEN, fp)) {
+		for (p = buf; *p && iswspace(*p); ++p)
+			;
+		if (!*p)
+			continue;
+		if (!(p = wcschr(p, L'\n'))) {
+			warnx("line too long");
+			eval = 1;
+			continue;
+		}
+		*p = L'\0';
+		len = width(buf);
+		if (maxlength < len)
+			maxlength = len;
+		if (entries == maxentry) {
+			maxentry += DEFNUM;
+			if (!(list = realloc(list,
+			    (uint_t)maxentry * sizeof (*list))))
+				err(1, NULL);
+		}
+		list[entries] = malloc((wcslen(buf) + 1) * sizeof (wchar_t));
+		if (list[entries] == NULL)
+			err(1, NULL);
+		(void) wcscpy(list[entries], buf);
+		entries++;
+	}
+}
+
+/* Like wcswidth(), but ignores non-printing characters. */
+static int
+width(const wchar_t *wcs)
+{
+	int w, cw;
+
+	for (w = 0; *wcs != L'\0'; wcs++)
+		if ((cw = wcwidth(*wcs)) > 0)
+			w += cw;
+	return (w);
+}
+
+static void
+usage(void)
+{
+
+	(void) fprintf(stderr,
+	    "usage: column [-tx] [-c columns] [-s sep] [file ...]\n");
+	exit(1);
+}
diff --git a/usr/src/cmd/coreadm/coreadm.xml b/usr/src/cmd/coreadm/coreadm.xml
index 46a4cda17a..28f1e27240 100644
--- a/usr/src/cmd/coreadm/coreadm.xml
+++ b/usr/src/cmd/coreadm/coreadm.xml
@@ -48,14 +48,6 @@
 		<service_fmri value='svc:/system/filesystem/minimal' />
 	</dependency>
 
-	<dependency
-		name='coreadm_manifest-import'
-		type='service'
-		grouping='require_all'
-		restart_on='none'>
-		<service_fmri value='svc:/system/manifest-import:default' />
-	</dependency>
-
 	<instance name='default' enabled='false'>
 		<exec_method
 			type='method'
diff --git a/usr/src/cmd/cron/Makefile b/usr/src/cmd/cron/Makefile
index c9ffeadffe..fb05e292a3 100644
--- a/usr/src/cmd/cron/Makefile
+++ b/usr/src/cmd/cron/Makefile
@@ -26,6 +26,7 @@
 DEFAULTFILES =	cron.dfl
 
 include		../Makefile.cmd
+include		../Makefile.ctf
 
 MANIFEST =	cron.xml
 
@@ -96,20 +97,20 @@ XPG4ATOBJS=	$(ATOBJS:%=objs.xpg4/%) $(XPG4OBJS:%=objs.xpg4/%)
 XPG6COMMONOBJS=	$(COMMONOBJS:%=objs.xpg6/%)
 XPG6CTOBJS=	$(CRONTABOBJS:%=objs.xpg6/%)
 
-cron :=		POBJS = $(CRONOBJS) $(COMMONOBJ2)
-at :=		POBJS = $(ATOBJS) $(COMMONOBJS)
-at.xpg4 :=	POBJS = $(XPG4ATOBJS) $(XPG4COMMONOBJS)
-atrm :=		POBJS = $(ATRMOBJS) $(COMMONOBJS)
-atq :=		POBJS = $(ATQOBJS) $(COMMONOBJS)
-crontab :=	POBJS = $(CRONTABOBJS) $(COMMONOBJS)
-crontab.xpg4 :=	POBJS = $(XPG4CTOBJS) $(XPG4COMMONOBJS)
-crontab.xpg6 :=	POBJS = $(XPG6CTOBJS) $(XPG6COMMONOBJS)
+cron :=		OBJS = $(CRONOBJS) $(COMMONOBJ2)
+at :=		OBJS = $(ATOBJS) $(COMMONOBJS)
+at.xpg4 :=	OBJS = $(XPG4ATOBJS) $(XPG4COMMONOBJS)
+atrm :=		OBJS = $(ATRMOBJS) $(COMMONOBJS)
+atq :=		OBJS = $(ATQOBJS) $(COMMONOBJS)
+crontab :=	OBJS = $(CRONTABOBJS) $(COMMONOBJS)
+crontab.xpg4 :=	OBJS = $(XPG4CTOBJS) $(XPG4COMMONOBJS)
+crontab.xpg6 :=	OBJS = $(XPG6CTOBJS) $(XPG6COMMONOBJS)
 
 CFLAGS += $(CCVERBOSE)
 
 NOBJS=		$(CRONOBJS) $(ATOBJS) $(ATRMOBJS1) $(ATQOBJS) $(CRONTABOBJS1) \
 		$(COMMONOBJS)
-OBJS =		$(NOBJS) $(XPG4COMMONOBJS) $(XPG4ATOBJS) $(XPG4CTOBJS) \
+COBJS =		$(NOBJS) $(XPG4COMMONOBJS) $(XPG4ATOBJS) $(XPG4CTOBJS) \
 		$(XPG6COMMONOBJS) $(XPG6CTOBJS) $(GETRESPOBJ)
 
 SRCS =		$(NOBJS:%.o=%.c) $(GETRESPSRC)
@@ -157,32 +158,35 @@ all :		$(PROG) $(XPG4) $(XPG6) $(SCRIPT) $(XPG4SCRIPT) $(FILES)
 install :	all $(ROOTPROG) $(ROOTETCDEFAULTFILES) $(ROOTSYMLINK) \
 		$(ROOTMANIFEST) $(ROOTMETHOD)
 
-$(PROG) :	$$(POBJS)
-		$(LINK.c) $(POBJS) -o $@ $(LDLIBS)
+$(PROG) :	$$(OBJS)
+		$(LINK.c) $(OBJS) -o $@ $(LDLIBS)
 		$(POST_PROCESS)
 
-$(XPG4) :	objs.xpg4 $$(POBJS)
-		$(LINK.c) $(POBJS) -o $@ $(LDLIBS)
+$(XPG4) :	objs.xpg4 $$(OBJS)
+		$(LINK.c) $(OBJS) -o $@ $(LDLIBS)
 		$(POST_PROCESS)
 
-$(XPG6) :	objs.xpg6 $$(POBJS)
-		$(LINK.c) $(POBJS) -o $@ $(LDLIBS)
+$(XPG6) :	objs.xpg6 $$(OBJS)
+		$(LINK.c) $(OBJS) -o $@ $(LDLIBS)
 		$(POST_PROCESS)
 
 objs.xpg6/%.o:		%.c
 	$(COMPILE.c) -o $@ $<
+	$(POST_PROCESS_O)
 
 objs.xpg6:
 	-@mkdir -p $@
 
 objs.xpg4/%.o:		%.c
 	$(COMPILE.c) -o $@ $<
+	$(POST_PROCESS_O)
 
 objs.xpg4:
 	-@mkdir -p $@
 
 objs.xpg4/values-xpg4.o:	../../lib/common/common/values-xpg4.c
 	$(COMPILE.c) -o $@ ../../lib/common/common/values-xpg4.c
+	$(POST_PROCESS_O)
 
 %.o:			$(SRC)/common/util/%.c
 	$(COMPILE.c) $(OUTPUT_OPTION) $<
@@ -219,7 +223,7 @@ $(POFILE):	$(POFILES)
 	$(RM) $@; cat $(POFILES) > $@
 
 clean :
-		$(RM) $(OBJS) att1.h att1.c att2.c
+		$(RM) $(COBJS) att1.h att1.c att2.c
 
 lint :		lint_SRCS
 
diff --git a/usr/src/cmd/cron/cron.c b/usr/src/cmd/cron/cron.c
index ab36d09037..33a7373f1e 100644
--- a/usr/src/cmd/cron/cron.c
+++ b/usr/src/cmd/cron/cron.c
@@ -23,7 +23,7 @@
  * Use is subject to license terms.
  *
  * Copyright 2013 Joshua M. Clulow <josh@sysmgr.org>
- *
+ * Copyright 2013 Joyent, Inc.  All rights reserved.
  * Copyright (c) 2014 Gary Mills
  */
 
@@ -315,7 +315,8 @@ static int ex(struct event *e);
 static void read_dirs(int);
 static void mail(char *, char *, int);
 static char *next_field(int, int);
-static void readcron(struct usr *, time_t);
+static void readcron(char *, struct usr *, time_t);
+static void readcronfile(FILE *, struct usr *, time_t);
 static int next_ge(int, char *);
 static void free_if_unused(struct usr *);
 static void del_atjob(char *, char *);
@@ -420,7 +421,7 @@ extern void el_delete(void);
 
 static int valid_entry(char *, int);
 static struct usr *create_ulist(char *, int);
-static void init_cronevent(char *, int);
+static void init_cronevent(char *, char *);
 static void init_atevent(char *, time_t, int, int);
 static void update_atevent(struct usr *, char *, time_t, int);
 
@@ -759,6 +760,18 @@ read_dirs(int first)
 	time_t		tim;
 
 
+	if (chdir(SYSCRONDIR) != -1) {
+		cwd = CRON;
+		if ((dir = opendir(".")) != NULL) {
+			while ((dp = readdir(dir)) != NULL) {
+				if (!valid_entry(dp->d_name, CRONEVENT))
+					continue;
+				init_cronevent(SYSCRONDIR, dp->d_name);
+			}
+			(void) closedir(dir);
+		}
+	}
+
 	if (chdir(CRONDIR) == -1)
 		crabort(BADCD, REMOVE_FIFO|CONSOLE_MSG);
 	cwd = CRON;
@@ -767,7 +780,7 @@ read_dirs(int first)
 	while ((dp = readdir(dir)) != NULL) {
 		if (!valid_entry(dp->d_name, CRONEVENT))
 			continue;
-		init_cronevent(dp->d_name, first);
+		init_cronevent(CRONDIR, dp->d_name);
 	}
 	(void) closedir(dir);
 
@@ -853,23 +866,18 @@ create_ulist(char *name, int type)
 }
 
 void
-init_cronevent(char *name, int first)
+init_cronevent(char *basedir, char *name)
 {
 	struct usr	*u;
 
-	if (first) {
+	if ((u = find_usr(name)) == NULL) {
 		u = create_ulist(name, CRONEVENT);
-		readcron(u, 0);
+		readcron(basedir, u, 0);
 	} else {
-		if ((u = find_usr(name)) == NULL) {
-			u = create_ulist(name, CRONEVENT);
-			readcron(u, 0);
-		} else {
-			u->ctexists = TRUE;
-			rm_ctevents(u);
-			el_remove(u->ctid, 0);
-			readcron(u, 0);
-		}
+		u->ctexists = TRUE;
+		rm_ctevents(u);
+		el_remove(u->ctid, 0);
+		readcron(basedir, u, 0);
 	}
 }
 
@@ -950,7 +958,7 @@ mod_ctab(char *name, time_t reftime)
 		(void) strcpy(u->home, pw->pw_dir);
 		u->uid = pw->pw_uid;
 		u->gid = pw->pw_gid;
-		readcron(u, reftime);
+		readcron(CRONDIR, u, reftime);
 	} else {
 		u->uid = pw->pw_uid;
 		u->gid = pw->pw_gid;
@@ -973,7 +981,7 @@ mod_ctab(char *name, time_t reftime)
 			/* user didnt have a crontab last time */
 			u->ctid = ecid++;
 			u->ctevents = NULL;
-			readcron(u, reftime);
+			readcron(CRONDIR, u, reftime);
 			return;
 		}
 #ifdef DEBUG
@@ -981,7 +989,7 @@ mod_ctab(char *name, time_t reftime)
 #endif
 		rm_ctevents(u);
 		el_remove(u->ctid, 0);
-		readcron(u, reftime);
+		readcron(CRONDIR, u, reftime);
 	}
 }
 
@@ -1116,8 +1124,94 @@ update_atevent(struct usr *u, char *name, time_t tim, int jobtype)
 static char line[CTLINESIZE];	/* holds a line from a crontab file */
 static int cursor;		/* cursor for the above line */
 
+static int
+copyfile(char *name, FILE *dp)
+{
+	FILE *tf;
+
+	if ((tf = fopen(name, "r")) == NULL) {
+		(void) fclose(dp);
+		return (1);
+	}
+
+	while (fgets(line, CTLINESIZE, tf) != NULL) {
+		if (fputs(line, dp) == EOF) {
+			(void) fclose(tf);
+			(void) fclose(dp);
+			return (1);
+		}
+	}
+	(void) fclose(tf);
+
+	return (0);
+}
+
+static void
+readcron(char *basedir, struct usr *u, time_t reftime)
+{
+	char *altpath;
+	struct stat sb;
+	FILE *cf;	/* cf will be a user's crontab file */
+	char altnamebuf[PATH_MAX];
+	char namebuf[PATH_MAX];
+
+	if (strcmp(basedir, SYSCRONDIR) == 0)
+		altpath = CRONDIR;
+	else
+		altpath = SYSCRONDIR;
+
+	if (snprintf(altnamebuf, sizeof (altnamebuf), "%s/%s", altpath,
+	    u->name) >= sizeof (altnamebuf))
+		return;
+
+	if (snprintf(namebuf, sizeof (namebuf), "%s/%s", basedir, u->name) >=
+	    sizeof (namebuf))
+		return;
+
+	if (stat(altnamebuf, &sb) != -1) {
+		/*
+		 * There is a secondary crontab for this user.  We need to
+		 * merge the two crontabs into a temporary file for loading.
+		 */
+		int fd;
+		char tmpfile[PATH_MAX];
+
+		(void) strlcpy(tmpfile, "/tmp/cronXXXXXX", sizeof (tmpfile));
+		if ((fd = mkstemp(tmpfile)) == -1)
+			return;
+
+		unlink(tmpfile);
+		if ((cf = fdopen(fd, "w+")) == NULL) {
+			close(fd);
+			return;
+		}
+
+		if (copyfile(namebuf, cf) != 0)
+			return;
+
+		if (copyfile(altnamebuf, cf) != 0)
+			return;
+
+		(void) fflush(cf);
+		rewind(cf);
+
+	} else {
+		/*
+		 * Only one crontab, open it directly.
+		 */
+		if ((cf = fopen(namebuf, "r")) == NULL) {
+			mail(u->name, NOREAD, ERR_UNIXERR);
+			return;
+		}
+	}
+
+	readcronfile(cf, u, reftime);
+
+	(void) fclose(cf);
+}
+
 static void
-readcron(struct usr *u, time_t reftime)
+readcronfile(FILE *cf, struct usr *u, time_t reftime)
 {
 	/*
 	 * readcron reads in a crontab file for a user (u). The list of
@@ -1125,12 +1219,9 @@ readcron(struct usr *u, time_t reftime)
 	 * this list. Each event is also entered into the main event
 	 * list.
 	 */
-	FILE *cf;	/* cf will be a user's crontab file */
 	struct event *e;
 	int start;
 	unsigned int i;
-	char namebuf[PATH_MAX];
-	char *pname;
 	struct shared *tz = NULL;
 	struct shared *home = NULL;
 	struct shared *shell = NULL;
@@ -1138,19 +1229,6 @@ readcron(struct usr *u, time_t reftime)
 
 	/* read the crontab file */
 	cte_init();		/* Init error handling */
-	if (cwd != CRON) {
-		if (snprintf(namebuf, sizeof (namebuf), "%s/%s",
-		    CRONDIR, u->name) >= sizeof (namebuf)) {
-			return;
-		}
-		pname = namebuf;
-	} else {
-		pname = u->name;
-	}
-	if ((cf = fopen(pname, "r")) == NULL) {
-		mail(u->name, NOREAD, ERR_UNIXERR);
-		return;
-	}
 	while (fgets(line, CTLINESIZE, cf) != NULL) {
 		char *tmp;
 		/* process a line of a crontab file */
@@ -1279,7 +1357,6 @@ again:
 #endif
 	}
 	cte_sendmail(u->name);	/* mail errors if any to user */
-	(void) fclose(cf);
 	rel_shared(tz);
 	rel_shared(shell);
 	rel_shared(home);
@@ -2442,6 +2519,9 @@ ex(struct event *e)
 	} else {
 		r = audit_cron_session(e->u->name, CRONDIR,
 		    e->u->uid, e->u->gid, NULL);
+		if (r != 0)
+			r = audit_cron_session(e->u->name, SYSCRONDIR,
+			    e->u->uid, e->u->gid, NULL);
 	}
 	if (r != 0) {
 		msg("cron audit problem. job failed (%s) for user %s",
diff --git a/usr/src/cmd/cron/cron.h b/usr/src/cmd/cron/cron.h
index a76016299c..93e21e7b41 100644
--- a/usr/src/cmd/cron/cron.h
+++ b/usr/src/cmd/cron/cron.h
@@ -71,6 +71,9 @@ struct	message {
 	char	logname[LLEN];
 };
 
+/* anything below here can be changed */
+
+#define	SYSCRONDIR	"/etc/cron.d/crontabs"
 #define	CRONDIR		"/var/spool/cron/crontabs"
 #define	ATDIR		"/var/spool/cron/atjobs"
 #define	ACCTFILE	"/var/cron/log"
diff --git a/usr/src/cmd/cron/crontab.c b/usr/src/cmd/cron/crontab.c
index 327a71388b..cdb4e1e394 100644
--- a/usr/src/cmd/cron/crontab.c
+++ b/usr/src/cmd/cron/crontab.c
@@ -71,7 +71,7 @@
 	"usage:\n"			\
 	"\tcrontab [file]\n"		\
 	"\tcrontab -e [username]\n"	\
-	"\tcrontab -l [username]\n"	\
+	"\tcrontab -l [-g] [username]\n"	\
 	"\tcrontab -r [username]"
 #define	INVALIDUSER	"you are not a valid user (no entry in /etc/passwd)."
 #define	NOTALLOWED	"you are not authorized to use cron.  Sorry."
@@ -120,6 +120,7 @@ main(int argc, char **argv)
 	int	c, r;
 	int	rflag	= 0;
 	int	lflag	= 0;
+	int	gflag	= 0;
 	int	eflag	= 0;
 	int	errflg	= 0;
 	char *pp;
@@ -151,11 +152,14 @@ main(int argc, char **argv)
 		exit(1);
 	}
 
-	while ((c = getopt(argc, argv, "elr")) != EOF)
+	while ((c = getopt(argc, argv, "eglr")) != EOF)
 		switch (c) {
 			case 'e':
 				eflag++;
 				break;
+			case 'g':
+				gflag++;
+				break;
 			case 'l':
 				lflag++;
 				break;
@@ -170,6 +174,9 @@ main(int argc, char **argv)
 	if (eflag + lflag + rflag > 1)
 		errflg++;
 
+	if (gflag && !lflag)
+		errflg++;
+
 	argc -= optind;
 	argv += optind;
 	if (errflg || argc > 1)
@@ -236,12 +243,27 @@ main(int argc, char **argv)
 		exit(0);
 	}
 	if (lflag) {
-		if ((fp = fopen(cf, "r")) == NULL)
-			crabort(BADOPEN);
-		while (fgets(line, CTLINESIZE, fp) != NULL)
-			fputs(line, stdout);
-		fclose(fp);
-		exit(0);
+		char sysconf[PATH_MAX];
+
+		if (gflag) {
+			if (snprintf(sysconf, sizeof (sysconf), "%s/%s",
+			    SYSCRONDIR, login) < sizeof (sysconf) &&
+			    (fp = fopen(sysconf, "r")) != NULL) {
+				while (fgets(line, CTLINESIZE, fp) != NULL)
+					fputs(line, stdout);
+				fclose(fp);
+				exit(0);
+			} else {
+				crabort(BADOPEN);
+			}
+		} else {
+			if ((fp = fopen(cf, "r")) == NULL)
+				crabort(BADOPEN);
+			while (fgets(line, CTLINESIZE, fp) != NULL)
+				fputs(line, stdout);
+			fclose(fp);
+			exit(0);
+		}
 	}
 	if (eflag) {
 		if ((fp = fopen(cf, "r")) == NULL) {
diff --git a/usr/src/cmd/ctfdiff/Makefile b/usr/src/cmd/ctfdiff/Makefile
new file mode 100644
index 0000000000..268bf9f3ed
--- /dev/null
+++ b/usr/src/cmd/ctfdiff/Makefile
@@ -0,0 +1,33 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015, Joyent, Inc.
+#
+
+PROG= ctfdiff
+
+include ../Makefile.cmd
+
+CFLAGS += $(CCVERBOSE)
+LDLIBS += -lctf
+
+.KEEP_STATE:
+
+all: $(PROG)
+
+install: all $(ROOTPROG)
+
+clean:
+
+lint:	lint_PROG
+
+include ../Makefile.targ
diff --git a/usr/src/cmd/ctfdiff/ctfdiff.c b/usr/src/cmd/ctfdiff/ctfdiff.c
new file mode 100644
index 0000000000..2537c15bcb
--- /dev/null
+++ b/usr/src/cmd/ctfdiff/ctfdiff.c
@@ -0,0 +1,508 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015, Joyent, Inc.
+ */
+
+/*
+ * diff two CTF containers
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <strings.h>
+#include <libctf.h>
+#include <libgen.h>
+#include <stdarg.h>
+
+#define	CTFDIFF_NAMELEN	256
+
+#define	CTFDIFF_EXIT_SIMILAR	0
+#define	CTFDIFF_EXIT_DIFFERENT	1
+#define	CTFDIFF_EXIT_USAGE	2
+#define	CTFDIFF_EXIT_ERROR	3
+
+typedef enum ctf_diff_cmd {
+	CTF_DIFF_TYPES =	0x01,
+	CTF_DIFF_FUNCS =	0x02,
+	CTF_DIFF_OBJS =		0x04,
+	CTF_DIFF_DEFAULT =	0x07,
+	CTF_DIFF_LABEL =	0x08,
+	CTF_DIFF_ALL =		0x0f
+} ctf_diff_cmd_t;
+
+typedef struct {
+	int		dil_next;
+	const char	**dil_labels;
+} diff_label_t;
+
+static char *g_progname;
+static const char *g_iname;
+static ctf_file_t *g_ifp;
+static const char *g_oname;
+static ctf_file_t *g_ofp;
+static char **g_typelist = NULL;
+static int g_nexttype = 0;
+static int g_ntypes = 0;
+static char **g_objlist = NULL;
+static int g_nextfunc = 0;
+static int g_nfuncs = 0;
+static char **g_funclist = NULL;
+static int g_nextobj = 0;
+static int g_nobjs = 0;
+static boolean_t g_onlydiff = B_FALSE;
+static boolean_t g_different = B_FALSE;
+static ctf_diff_cmd_t g_flag = 0;
+
+static void
+ctfdiff_fatal(const char *fmt, ...)
+{
+	va_list ap;
+
+	(void) fprintf(stderr, "%s: ", g_progname);
+	va_start(ap, fmt);
+	(void) vfprintf(stderr, fmt, ap);
+	va_end(ap);
+
+	exit(CTFDIFF_EXIT_ERROR);
+}
+
+static const char *
+fp_to_name(ctf_file_t *fp)
+{
+	if (fp == g_ifp)
+		return (g_iname);
+	if (fp == g_ofp)
+		return (g_oname);
+	return (NULL);
+}
+
+/* ARGSUSED */
+static void
+diff_func_cb(ctf_file_t *ifp, ulong_t iidx, boolean_t similar, ctf_file_t *ofp,
+    ulong_t oidx, void *arg)
+{
+	char namebuf[CTFDIFF_NAMELEN];
+
+	if (similar == B_TRUE)
+		return;
+
+	if (ctf_symbol_name(ifp, iidx, namebuf, sizeof (namebuf)) == NULL) {
+		if (g_nextfunc != 0)
+			return;
+		(void) printf("ctf container %s function %ld is different\n",
+		    fp_to_name(ifp), iidx);
+	} else {
+		if (g_nextfunc != 0) {
+			int i;
+			for (i = 0; i < g_nextfunc; i++) {
+				if (strcmp(g_funclist[i], namebuf) == 0)
+					break;
+			}
+			if (i == g_nextfunc)
+				return;
+		}
+		(void) printf("ctf container %s function %s (%ld) is "
+		    "different\n", fp_to_name(ifp), namebuf, iidx);
+	}
+
+	g_different = B_TRUE;
+}
+
+/* ARGSUSED */
+static void
+diff_obj_cb(ctf_file_t *ifp, ulong_t iidx, ctf_id_t iid, boolean_t similar,
+    ctf_file_t *ofp, ulong_t oidx, ctf_id_t oid, void *arg)
+{
+	char namebuf[CTFDIFF_NAMELEN];
+
+	if (similar == B_TRUE)
+		return;
+
+	if (ctf_symbol_name(ifp, iidx, namebuf, sizeof (namebuf)) == NULL) {
+		if (g_nextobj != 0)
+			return;
+		(void) printf("ctf container %s object %ld is different\n",
+		    fp_to_name(ifp), iidx);
+	} else {
+		if (g_nextobj != 0) {
+			int i;
+			for (i = 0; i < g_nextobj; i++) {
+				if (strcmp(g_objlist[i], namebuf) == 0)
+					break;
+			}
+			if (i == g_nextobj)
+				return;
+		}
+		(void) printf("ctf container %s object %s (%ld) is different\n",
+		    fp_to_name(ifp), namebuf, iidx);
+	}
+
+	g_different = B_TRUE;
+}
+
+/* ARGSUSED */
+static void
+diff_cb(ctf_file_t *ifp, ctf_id_t iid, boolean_t similar, ctf_file_t *ofp,
+    ctf_id_t oid, void *arg)
+{
+	if (similar == B_TRUE)
+		return;
+
+	if (ctf_type_kind(ifp, iid) == CTF_K_UNKNOWN)
+		return;
+
+	/*
+	 * Check if it's the type the user cares about.
+	 */
+	if (g_nexttype != 0) {
+		int i;
+		char namebuf[CTFDIFF_NAMELEN];
+
+		if (ctf_type_name(ifp, iid, namebuf, sizeof (namebuf)) ==
+		    NULL) {
+			ctfdiff_fatal("failed to obtain the name "
+			    "of type %ld from %s: %s\n",
+			    iid, fp_to_name(ifp),
+			    ctf_errmsg(ctf_errno(ifp)));
+		}
+
+		for (i = 0; i < g_nexttype; i++) {
+			if (strcmp(g_typelist[i], namebuf) == 0)
+				break;
+		}
+
+		if (i == g_nexttype)
+			return;
+	}
+
+	g_different = B_TRUE;
+
+	if (g_onlydiff == B_TRUE)
+		return;
+
+	(void) printf("ctf container %s type %ld is different\n",
+	    fp_to_name(ifp), iid);
+}
+
+/* ARGSUSED */
+static int
+diff_labels_count(const char *name, const ctf_lblinfo_t *li, void *arg)
+{
+	uint32_t *count = arg;
+	*count = *count + 1;
+
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+diff_labels_fill(const char *name, const ctf_lblinfo_t *li, void *arg)
+{
+	diff_label_t *dil = arg;
+
+	dil->dil_labels[dil->dil_next] = name;
+	dil->dil_next++;
+
+	return (0);
+}
+
+static int
+diff_labels(ctf_file_t *ifp, ctf_file_t *ofp)
+{
+	int ret;
+	uint32_t nilabel, nolabel, i, j;
+	diff_label_t idl, odl;
+	const char **ilptr, **olptr;
+
+	nilabel = nolabel = 0;
+	ret = ctf_label_iter(ifp, diff_labels_count, &nilabel);
+	if (ret == CTF_ERR)
+		return (ret);
+	ret = ctf_label_iter(ofp, diff_labels_count, &nolabel);
+	if (ret == CTF_ERR)
+		return (ret);
+
+	if (nilabel != nolabel) {
+		(void) printf("ctf container %s labels differ from ctf "
+		    "container %s\n", fp_to_name(ifp), fp_to_name(ofp));
+		g_different = B_TRUE;
+		return (0);
+	}
+
+	if (nilabel == 0)
+		return (0);
+
+	ilptr = malloc(sizeof (char *) * nilabel);
+	olptr = malloc(sizeof (char *) * nolabel);
+	if (ilptr == NULL || olptr == NULL) {
+		ctfdiff_fatal("failed to allocate memory for label "
+		    "comparison\n");
+	}
+
+	idl.dil_next = 0;
+	idl.dil_labels = ilptr;
+	odl.dil_next = 0;
+	odl.dil_labels = olptr;
+
+	if ((ret = ctf_label_iter(ifp, diff_labels_fill, &idl)) != 0)
+		goto out;
+	if ((ret = ctf_label_iter(ofp, diff_labels_fill, &odl)) != 0)
+		goto out;
+
+	for (i = 0; i < nilabel; i++) {
+		for (j = 0; j < nolabel; j++) {
+			if (strcmp(ilptr[i], olptr[j]) == 0)
+				break;
+		}
+
+		if (j == nolabel) {
+			(void) printf("ctf container %s labels differ from ctf "
+			    "container %s\n", fp_to_name(ifp), fp_to_name(ofp));
+			g_different = B_TRUE;
+			break;
+		}
+	}
+
+	ret = 0;
+out:
+	free(ilptr);
+	free(olptr);
+	return (ret);
+}
+
+static void
+diff_usage(const char *fmt, ...)
+{
+	if (fmt != NULL) {
+		va_list ap;
+
+		(void) fprintf(stderr, "%s: ", g_progname);
+		va_start(ap, fmt);
+		(void) vfprintf(stderr, fmt, ap);
+		va_end(ap);
+	}
+
+	(void) fprintf(stderr, "Usage: %s [-afIloqt] [-F function] [-O object]"
+	    "[-p parent] [-P parent]\n"
+	    "\t[-T type] file1 file2\n"
+	    "\n"
+	    "\t-a diff label, types, objects, and functions\n"
+	    "\t-f diff function type information\n"
+	    "\t-F when diffing functions, only consider those named\n"
+	    "\t-I ignore the names of integral types\n"
+	    "\t-l diff CTF labels\n"
+	    "\t-o diff global object type information\n"
+	    "\t-O when diffing objects, only consider those named\n"
+	    "\t-p set the CTF parent for file1\n"
+	    "\t-P set the CTF parent for file2\n"
+	    "\t-q set quiet mode (no diff information sent to stdout)\n"
+	    "\t-t diff CTF type information\n"
+	    "\t-T when diffing types, only consider those named\n",
+	    g_progname);
+}
+
+int
+main(int argc, char *argv[])
+{
+	ctf_diff_flag_t flags = 0;
+	int err, c;
+	ctf_file_t *ifp, *ofp;
+	ctf_diff_t *cdp;
+	ctf_file_t *pifp = NULL;
+	ctf_file_t *pofp = NULL;
+
+	g_progname = basename(argv[0]);
+
+	while ((c = getopt(argc, argv, "aqtfolIp:F:O:P:T:")) != -1) {
+		switch (c) {
+		case 'a':
+			g_flag |= CTF_DIFF_ALL;
+			break;
+		case 't':
+			g_flag |= CTF_DIFF_TYPES;
+			break;
+		case 'f':
+			g_flag |= CTF_DIFF_FUNCS;
+			break;
+		case 'o':
+			g_flag |= CTF_DIFF_OBJS;
+			break;
+		case 'l':
+			g_flag |= CTF_DIFF_LABEL;
+			break;
+		case 'q':
+			g_onlydiff = B_TRUE;
+			break;
+		case 'p':
+			pifp = ctf_open(optarg, &err);
+			if (pifp == NULL) {
+				ctfdiff_fatal("failed to open parent input "
+				    "container %s: %s\n", optarg,
+				    ctf_errmsg(err));
+			}
+			break;
+		case 'F':
+			if (g_nextfunc == g_nfuncs) {
+				if (g_nfuncs == 0)
+					g_nfuncs = 16;
+				else
+					g_nfuncs *= 2;
+				g_funclist = realloc(g_funclist,
+				    sizeof (char *) * g_nfuncs);
+				if (g_funclist == NULL) {
+					ctfdiff_fatal("failed to allocate "
+					    "memory for the %dth -F option: "
+					    "%s\n", g_nexttype + 1,
+					    strerror(errno));
+				}
+			}
+			g_funclist[g_nextfunc] = optarg;
+			g_nextfunc++;
+			break;
+		case 'O':
+			if (g_nextobj == g_nobjs) {
+				if (g_nobjs == 0)
+					g_nobjs = 16;
+				else
+					g_nobjs *= 2;
+				g_objlist = realloc(g_objlist,
+				    sizeof (char *) * g_nobjs);
+				if (g_objlist == NULL) {
+					ctfdiff_fatal("failed to allocate "
+					    "memory for the %dth -F option: "
+					    "%s\n", g_nexttype + 1,
+					    strerror(errno));
+					return (CTFDIFF_EXIT_ERROR);
+				}
+			}
+			g_objlist[g_nextobj] = optarg;
+			g_nextobj++;
+			break;
+		case 'I':
+			flags |= CTF_DIFF_F_IGNORE_INTNAMES;
+			break;
+		case 'P':
+			pofp = ctf_open(optarg, &err);
+			if (pofp == NULL) {
+				ctfdiff_fatal("failed to open parent output "
+				    "container %s: %s\n", optarg,
+				    ctf_errmsg(err));
+			}
+			break;
+		case 'T':
+			if (g_nexttype == g_ntypes) {
+				if (g_ntypes == 0)
+					g_ntypes = 16;
+				else
+					g_ntypes *= 2;
+				g_typelist = realloc(g_typelist,
+				    sizeof (char *) * g_ntypes);
+				if (g_typelist == NULL) {
+					ctfdiff_fatal("failed to allocate "
+					    "memory for the %dth -T option: "
+					    "%s\n", g_nexttype + 1,
+					    strerror(errno));
+				}
+			}
+			g_typelist[g_nexttype] = optarg;
+			g_nexttype++;
+		}
+	}
+
+	argc -= optind - 1;
+	argv += optind - 1;
+
+	if (g_flag == 0)
+		g_flag = CTF_DIFF_DEFAULT;
+
+	if (argc != 3) {
+		diff_usage(NULL);
+		return (CTFDIFF_EXIT_USAGE);
+	}
+
+	if (g_nexttype != 0 && !(g_flag & CTF_DIFF_TYPES)) {
+		diff_usage("-T cannot be used if not diffing types\n");
+		return (CTFDIFF_EXIT_USAGE);
+	}
+
+	if (g_nextfunc != 0 && !(g_flag & CTF_DIFF_FUNCS)) {
+		diff_usage("-F cannot be used if not diffing functions\n");
+		return (CTFDIFF_EXIT_USAGE);
+	}
+
+	if (g_nextobj != 0 && !(g_flag & CTF_DIFF_OBJS)) {
+		diff_usage("-O cannot be used if not diffing objects\n");
+		return (CTFDIFF_EXIT_USAGE);
+	}
+
+	ifp = ctf_open(argv[1], &err);
+	if (ifp == NULL) {
+		ctfdiff_fatal("failed to open %s: %s\n", argv[1],
+		    ctf_errmsg(err));
+	}
+	if (pifp != NULL) {
+		err = ctf_import(ifp, pifp);
+		if (err != 0) {
+			ctfdiff_fatal("failed to set parent container: %s\n",
+			    ctf_errmsg(ctf_errno(pifp)));
+		}
+	}
+	g_iname = argv[1];
+	g_ifp = ifp;
+
+	ofp = ctf_open(argv[2], &err);
+	if (ofp == NULL) {
+		ctfdiff_fatal("failed to open %s: %s\n", argv[2],
+		    ctf_errmsg(err));
+	}
+
+	if (pofp != NULL) {
+		err = ctf_import(ofp, pofp);
+		if (err != 0) {
+			ctfdiff_fatal("failed to set parent container: %s\n",
+			    ctf_errmsg(ctf_errno(pofp)));
+		}
+	}
+	g_oname = argv[2];
+	g_ofp = ofp;
+
+	if (ctf_diff_init(ifp, ofp, &cdp) != 0) {
+		ctfdiff_fatal("failed to initialize libctf diff engine: %s\n",
+		    ctf_errmsg(ctf_errno(ifp)));
+	}
+
+	if (ctf_diff_setflags(cdp, flags) != 0) {
+		ctfdiff_fatal("failed to set ctfdiff flags: %s\n",
+		    ctf_errmsg(ctf_errno(ifp)));
+	}
+
+	err = 0;
+	if ((g_flag & CTF_DIFF_TYPES) && err != CTF_ERR)
+		err = ctf_diff_types(cdp, diff_cb, NULL);
+	if ((g_flag & CTF_DIFF_FUNCS) && err != CTF_ERR)
+		err = ctf_diff_functions(cdp, diff_func_cb, NULL);
+	if ((g_flag & CTF_DIFF_OBJS) && err != CTF_ERR)
+		err = ctf_diff_objects(cdp, diff_obj_cb, NULL);
+	if ((g_flag & CTF_DIFF_LABEL) && err != CTF_ERR)
+		err = diff_labels(ifp, ofp);
+
+	ctf_diff_fini(cdp);
+	if (err == CTF_ERR) {
+		ctfdiff_fatal("encountered a libctf error: %s!\n",
+		    ctf_errmsg(ctf_errno(ifp)));
+	}
+
+	return (g_different == B_TRUE ? CTFDIFF_EXIT_DIFFERENT :
+	    CTFDIFF_EXIT_SIMILAR);
+}
diff --git a/usr/src/cmd/ctfdump/Makefile b/usr/src/cmd/ctfdump/Makefile
new file mode 100644
index 0000000000..962ca43a8f
--- /dev/null
+++ b/usr/src/cmd/ctfdump/Makefile
@@ -0,0 +1,33 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2015, Joyent, Inc.
+#
+
+PROG= ctfdump
+
+include ../Makefile.cmd
+
+CFLAGS += $(CCVERBOSE)
+LDLIBS += -lctf
+
+.KEEP_STATE:
+
+all: $(PROG)
+
+install: all $(ROOTPROG)
+
+clean:
+
+lint:	lint_PROG
+
+include ../Makefile.targ
diff --git a/usr/src/cmd/ctfdump/ctfdump.c b/usr/src/cmd/ctfdump/ctfdump.c
new file mode 100644
index 0000000000..327da82d63
--- /dev/null
+++ b/usr/src/cmd/ctfdump/ctfdump.c
@@ -0,0 +1,803 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015, Joyent, Inc.
+ */
+
+/*
+ * Dump information about CTF containers. This was inspired by the original
+ * ctfdump written in tools/ctf, but this has been reimplemented in terms of
+ * libctf.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <libctf.h>
+#include <libgen.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <sys/sysmacros.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+
+typedef enum ctfdump_arg {
+	CTFDUMP_OBJECTS =	0x01,
+	CTFDUMP_FUNCTIONS =	0x02,
+	CTFDUMP_HEADER =	0x04,
+	CTFDUMP_LABELS = 	0x08,
+	CTFDUMP_STRINGS =	0x10,
+	CTFDUMP_STATS = 	0x20,
+	CTFDUMP_TYPES =		0x40,
+	CTFDUMP_DEFAULT =	0x7f,
+	CTFDUMP_OUTPUT =	0x80,
+	CTFDUMP_ALL =		0xff
+} ctfdump_arg_t;
+
+typedef struct ctfdump_stat {
+	ulong_t		cs_ndata;		/* number of data objects */
+	ulong_t		cs_nfuncs;		/* number of functions */
+	ulong_t		cs_nfuncargs;		/* number of function args */
+	ulong_t		cs_nfuncmax;		/* largest number of args */
+	ulong_t		cs_ntypes[CTF_K_MAX];	/* number of types */
+	ulong_t		cs_nsmembs;		/* number of struct members */
+	ulong_t		cs_nsmax;		/* largest number of members */
+	ulong_t		cs_structsz;		/* sum of structures sizes */
+	ulong_t		cs_sszmax;		/* largest structure */
+	ulong_t		cs_numembs;		/* number of union members */
+	ulong_t		cs_numax;		/* largest number of members */
+	ulong_t		cs_unionsz;		/* sum of unions sizes */
+	ulong_t		cs_uszmax;		/* largest union */
+	ulong_t		cs_nemembs;		/* number of enum members */
+	ulong_t		cs_nemax;		/* largest number of members */
+	ulong_t		cs_nstrings;		/* number of strings */
+	ulong_t		cs_strsz;		/* string size */
+	ulong_t		cs_strmax;		/* longest string */
+} ctfdump_stat_t;
+
+static const char *g_progname;
+static ctfdump_arg_t g_dump;
+static ctf_file_t *g_fp;
+static ctfdump_stat_t g_stats;
+static ctf_id_t *g_fargc;
+static int g_nfargc;
+
+static const char *ctfdump_fpenc[] = {
+	NULL,
+	"SINGLE",
+	"DOUBLE",
+	"COMPLEX",
+	"DCOMPLEX",
+	"LDCOMPLEX",
+	"LDOUBLE",
+	"INTERVAL",
+	"DINTERVAL",
+	"LDINTERVAL",
+	"IMAGINARY",
+	"DIMAGINARY",
+	"LDIMAGINARY"
+};
+
+static const char *ctfdump_knames[CTF_K_MAX+1] = {
+	"unknown",	"integer",	"float",	"pointer",
+	"array",	"function",	"struct",	"union",
+	"enum",		"forward",	"typedef",	"volatile",
+	"const",	"restrict",	"CTF_K_14",	"CTF_K_15",
+	"CTF_K_16",	"CTF_K_17",	"CTF_K_18",	"CTF_K_19",
+	"CTF_K_20",	"CTF_K_21",	"CTF_K_22",	"CTF_K_23",
+	"CTF_K_24",	"CTF_K_25",	"CTF_K_26",	"CTF_K_27",
+	"CTF_K_28",	"CTF_K_29",	"CTF_K_30",	"CTF_K_MAX"
+};
+
+/*
+ * When stats are requested, we have to go through everything. To make our lives
+ * easier, we'll just always allow the code to print everything out, but only
+ * output it if we have actually enabled that section.
+ */
+static void
+ctfdump_printf(ctfdump_arg_t arg, const char *fmt, ...)
+{
+	va_list ap;
+
+	if ((arg & g_dump) == 0)
+		return;
+
+	va_start(ap, fmt);
+	vfprintf(stdout, fmt, ap);
+	va_end(ap);
+}
+
+static void
+ctfdump_fatal(const char *fmt, ...)
+{
+	va_list ap;
+
+	(void) fprintf(stderr, "%s: ", g_progname);
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+
+	exit(1);
+}
+
+static void
+ctfdump_usage(const char *fmt, ...)
+{
+	if (fmt != NULL) {
+		va_list ap;
+		(void) fprintf(stderr, "%s: ", g_progname);
+		va_start(ap, fmt);
+		(void) vfprintf(stderr, fmt, ap);
+		va_end(ap);
+	}
+
+	(void) fprintf(stderr, "Usage: %s [-dfhlsSt] [-p parent] [-u outfile] "
+	    "file\n"
+	    "\n"
+	    "\t-d  dump object data\n"
+	    "\t-f  dump function data\n"
+	    "\t-h  dump the CTF header\n"
+	    "\t-l  dump the label table\n"
+	    "\t-p  use parent to supply additional information\n"
+	    "\t-s  dump the string table\n"
+	    "\t-S  dump statistics about the CTF container\n"
+	    "\t-t  dump type information\n"
+	    "\t-u  dump uncompressed CTF data to outfile\n",
+	    g_progname);
+}
+
+static void
+ctfdump_title(ctfdump_arg_t arg, const char *header)
+{
+	static const char line[] = "----------------------------------------"
+	    "----------------------------------------";
+	ctfdump_printf(arg, "\n- %s %.*s\n\n", header, (int)78 - strlen(header),
+	    line);
+}
+
+static int
+ctfdump_objects_cb(const char *name, ctf_id_t id, ulong_t symidx, void *arg)
+{
+	int len;
+
+	len = snprintf(NULL, 0, "  [%u] %u", g_stats.cs_ndata, id);
+	ctfdump_printf(CTFDUMP_OBJECTS, "  [%u] %u %*s%s (%u)\n",
+	    g_stats.cs_ndata, id, MAX(15 - len, 0), "", name, symidx);
+	g_stats.cs_ndata++;
+	return (0);
+}
+
+static void
+ctfdump_objects(void)
+{
+	ctfdump_title(CTFDUMP_OBJECTS, "Data Objects");
+	if (ctf_object_iter(g_fp, ctfdump_objects_cb, NULL) == CTF_ERR)
+		ctfdump_fatal("failed to dump objects: %s\n",
+		    ctf_errmsg(ctf_errno(g_fp)));
+}
+
+static void
+ctfdump_fargs_grow(int nargs)
+{
+	if (g_nfargc < nargs) {
+		g_fargc = realloc(g_fargc, sizeof (ctf_id_t) * nargs);
+		if (g_fargc == NULL)
+			ctfdump_fatal("failed to get memory for %d "
+			    "ctf_id_t's\n", nargs);
+		g_nfargc = nargs;
+	}
+}
+
+static int
+ctfdump_functions_cb(const char *name, ulong_t symidx, ctf_funcinfo_t *ctc,
+    void *arg)
+{
+	int i;
+
+	if (ctc->ctc_argc != 0) {
+		ctfdump_fargs_grow(ctc->ctc_argc);
+		if (ctf_func_args(g_fp, symidx, g_nfargc, g_fargc) == CTF_ERR)
+			ctfdump_fatal("failed to get arguments for function "
+			    "%s: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
+	}
+
+	ctfdump_printf(CTFDUMP_FUNCTIONS,
+	    "  [%lu] %s (%lu) returns: %u args: (", g_stats.cs_nfuncs, name,
+	    symidx, ctc->ctc_return);
+	for (i = 0; i < ctc->ctc_argc; i++)
+		ctfdump_printf(CTFDUMP_FUNCTIONS, "%lu%s", g_fargc[i],
+		    i + 1 == ctc->ctc_argc ? "" : ", ");
+	if (ctc->ctc_flags & CTF_FUNC_VARARG)
+		ctfdump_printf(CTFDUMP_FUNCTIONS, "%s...",
+		    ctc->ctc_argc == 0 ? "" : ", ");
+	ctfdump_printf(CTFDUMP_FUNCTIONS, ")\n");
+
+	g_stats.cs_nfuncs++;
+	g_stats.cs_nfuncargs += ctc->ctc_argc;
+	g_stats.cs_nfuncmax = MAX(ctc->ctc_argc, g_stats.cs_nfuncmax);
+
+	return (0);
+}
+
+static void
+ctfdump_functions(void)
+{
+	ctfdump_title(CTFDUMP_FUNCTIONS, "Functions");
+
+	if (ctf_function_iter(g_fp, ctfdump_functions_cb, NULL) == CTF_ERR)
+		ctfdump_fatal("failed to dump functions: %s\n",
+		    ctf_errmsg(ctf_errno(g_fp)));
+}
+
+static void
+ctfdump_header(void)
+{
+	const ctf_header_t *hp;
+	const char *parname, *parlabel;
+
+	ctfdump_title(CTFDUMP_HEADER, "CTF Header");
+	ctf_dataptr(g_fp, (const void **)&hp, NULL);
+	ctfdump_printf(CTFDUMP_HEADER, "  cth_magic    = 0x%04x\n",
+	    hp->cth_magic);
+	ctfdump_printf(CTFDUMP_HEADER, "  cth_version  = %u\n",
+	    hp->cth_version);
+	ctfdump_printf(CTFDUMP_HEADER, "  cth_flags    = 0x%02x\n",
+	    ctf_flags(g_fp));
+	parname = ctf_parent_name(g_fp);
+	parlabel = ctf_parent_label(g_fp);
+	ctfdump_printf(CTFDUMP_HEADER, "  cth_parlabel = %s\n",
+	    parlabel == NULL ? "(anon)" : parlabel);
+	ctfdump_printf(CTFDUMP_HEADER, "  cth_parname  = %s\n",
+	    parname == NULL ? "(anon)" : parname);
+	ctfdump_printf(CTFDUMP_HEADER, "  cth_lbloff   = %u\n",
+	    hp->cth_lbloff);
+	ctfdump_printf(CTFDUMP_HEADER, "  cth_objtoff  = %u\n",
+	    hp->cth_objtoff);
+	ctfdump_printf(CTFDUMP_HEADER, "  cth_funcoff  = %u\n",
+	    hp->cth_funcoff);
+	ctfdump_printf(CTFDUMP_HEADER, "  cth_typeoff  = %u\n",
+	    hp->cth_typeoff);
+	ctfdump_printf(CTFDUMP_HEADER, "  cth_stroff   = %u\n",
+	    hp->cth_stroff);
+	ctfdump_printf(CTFDUMP_HEADER, "  cth_strlen   = %u\n",
+	    hp->cth_strlen);
+}
+
+static int
+ctfdump_labels_cb(const char *name, const ctf_lblinfo_t *li, void *arg)
+{
+	ctfdump_printf(CTFDUMP_LABELS, "  %5lu %s\n", li->ctb_typeidx, name);
+	return (0);
+}
+
+static void
+ctfdump_labels(void)
+{
+	ctfdump_title(CTFDUMP_LABELS, "Label Table");
+	if (ctf_label_iter(g_fp, ctfdump_labels_cb, NULL) == CTF_ERR)
+		ctfdump_fatal("failed to dump labels: %s\n",
+		    ctf_errmsg(ctf_errno(g_fp)));
+}
+
+static int
+ctfdump_strings_cb(const char *s, void *arg)
+{
+	size_t len = strlen(s) + 1;
+	ulong_t *stroff = arg;
+	ctfdump_printf(CTFDUMP_STRINGS, "  [%lu] %s\n", *stroff,
+	    *s == '\0' ? "\\0" : s);
+	*stroff = *stroff + len;
+	g_stats.cs_nstrings++;
+	g_stats.cs_strsz += len;
+	g_stats.cs_strmax = MAX(g_stats.cs_strmax, len);
+	return (0);
+}
+
+static void
+ctfdump_strings(void)
+{
+	ulong_t stroff = 0;
+
+	ctfdump_title(CTFDUMP_STRINGS, "String Table");
+	if (ctf_string_iter(g_fp, ctfdump_strings_cb, &stroff) == CTF_ERR)
+		ctfdump_fatal("failed to dump strings: %s\n",
+		    ctf_errmsg(ctf_errno(g_fp)));
+}
+
+static void
+ctfdump_stat_int(const char *name, ulong_t value)
+{
+	ctfdump_printf(CTFDUMP_STATS, "  %-36s= %lu\n", name, value);
+}
+
+static void
+ctfdump_stat_fp(const char *name, float value)
+{
+	ctfdump_printf(CTFDUMP_STATS, "  %-36s= %.2f\n", name, value);
+}
+
+static void
+ctfdump_stats(void)
+{
+	int i;
+	ulong_t sum;
+
+	ctfdump_title(CTFDUMP_STATS, "CTF Statistics");
+
+	ctfdump_stat_int("total number of data objects", g_stats.cs_ndata);
+	ctfdump_printf(CTFDUMP_STATS, "\n");
+	ctfdump_stat_int("total number of functions", g_stats.cs_nfuncs);
+	ctfdump_stat_int("total number of function arguments",
+	    g_stats.cs_nfuncargs);
+	ctfdump_stat_int("maximum argument list length", g_stats.cs_nfuncmax);
+	if (g_stats.cs_nfuncs != 0)
+		ctfdump_stat_fp("average argument list length",
+		    (float)g_stats.cs_nfuncargs / (float)g_stats.cs_nfuncs);
+	ctfdump_printf(CTFDUMP_STATS, "\n");
+
+	sum = 0;
+	for (i = 0; i < CTF_K_MAX; i++)
+		sum += g_stats.cs_ntypes[i];
+	ctfdump_stat_int("total number of types", sum);
+	ctfdump_stat_int("total number of integers",
+	    g_stats.cs_ntypes[CTF_K_INTEGER]);
+	ctfdump_stat_int("total number of floats",
+	    g_stats.cs_ntypes[CTF_K_FLOAT]);
+	ctfdump_stat_int("total number of pointers",
+	    g_stats.cs_ntypes[CTF_K_POINTER]);
+	ctfdump_stat_int("total number of arrays",
+	    g_stats.cs_ntypes[CTF_K_ARRAY]);
+	ctfdump_stat_int("total number of func types",
+	    g_stats.cs_ntypes[CTF_K_FUNCTION]);
+	ctfdump_stat_int("total number of structs",
+	    g_stats.cs_ntypes[CTF_K_STRUCT]);
+	ctfdump_stat_int("total number of unions",
+	    g_stats.cs_ntypes[CTF_K_UNION]);
+	ctfdump_stat_int("total number of enums",
+	    g_stats.cs_ntypes[CTF_K_ENUM]);
+	ctfdump_stat_int("total number of forward tags",
+	    g_stats.cs_ntypes[CTF_K_FORWARD]);
+	ctfdump_stat_int("total number of typedefs",
+	    g_stats.cs_ntypes[CTF_K_TYPEDEF]);
+	ctfdump_stat_int("total number of volatile types",
+	    g_stats.cs_ntypes[CTF_K_VOLATILE]);
+	ctfdump_stat_int("total number of const types",
+	    g_stats.cs_ntypes[CTF_K_CONST]);
+	ctfdump_stat_int("total number of restrict types",
+	    g_stats.cs_ntypes[CTF_K_RESTRICT]);
+	ctfdump_stat_int("total number of unknowns (holes)",
+	    g_stats.cs_ntypes[CTF_K_UNKNOWN]);
+
+	ctfdump_printf(CTFDUMP_STATS, "\n");
+	ctfdump_stat_int("total number of struct members", g_stats.cs_nsmembs);
+	ctfdump_stat_int("maximum number of struct members", g_stats.cs_nsmax);
+	ctfdump_stat_int("total size of all structs", g_stats.cs_structsz);
+	ctfdump_stat_int("maximum size of a struct", g_stats.cs_sszmax);
+	if (g_stats.cs_ntypes[CTF_K_STRUCT] != 0) {
+		ctfdump_stat_fp("average number of struct members",
+		    (float)g_stats.cs_nsmembs /
+		    (float)g_stats.cs_ntypes[CTF_K_STRUCT]);
+		ctfdump_stat_fp("average size of a struct",
+		    (float)g_stats.cs_structsz /
+		    (float)g_stats.cs_ntypes[CTF_K_STRUCT]);
+	}
+	ctfdump_printf(CTFDUMP_STATS, "\n");
+	ctfdump_stat_int("total number of union members", g_stats.cs_numembs);
+	ctfdump_stat_int("maximum number of union members", g_stats.cs_numax);
+	ctfdump_stat_int("total size of all unions", g_stats.cs_unionsz);
+	ctfdump_stat_int("maximum size of a union", g_stats.cs_uszmax);
+	if (g_stats.cs_ntypes[CTF_K_UNION] != 0) {
+		ctfdump_stat_fp("average number of union members",
+		    (float)g_stats.cs_numembs /
+		    (float)g_stats.cs_ntypes[CTF_K_UNION]);
+		ctfdump_stat_fp("average size of a union",
+		    (float)g_stats.cs_unionsz /
+		    (float)g_stats.cs_ntypes[CTF_K_UNION]);
+	}
+	ctfdump_printf(CTFDUMP_STATS, "\n");
+
+	ctfdump_stat_int("total number of enum members", g_stats.cs_nemembs);
+	ctfdump_stat_int("maximum number of enum members", g_stats.cs_nemax);
+	if (g_stats.cs_ntypes[CTF_K_ENUM] != 0) {
+		ctfdump_stat_fp("average number of enum members",
+		    (float)g_stats.cs_nemembs /
+		    (float)g_stats.cs_ntypes[CTF_K_ENUM]);
+	}
+	ctfdump_printf(CTFDUMP_STATS, "\n");
+
+	ctfdump_stat_int("total number of strings", g_stats.cs_nstrings);
+	ctfdump_stat_int("bytes of string data", g_stats.cs_strsz);
+	ctfdump_stat_int("maximum string length", g_stats.cs_strmax);
+	if (g_stats.cs_nstrings != 0)
+		ctfdump_stat_fp("average string length",
+		    (float)g_stats.cs_strsz / (float)g_stats.cs_nstrings);
+	ctfdump_printf(CTFDUMP_STATS, "\n");
+}
+
+static void
+ctfdump_intenc_name(ctf_encoding_t *cte, char *buf, int len)
+{
+	int off = 0;
+	boolean_t space = B_FALSE;
+
+	if (cte->cte_format == 0 || (cte->cte_format &
+	    ~(CTF_INT_SIGNED | CTF_INT_CHAR | CTF_INT_BOOL |
+	    CTF_INT_VARARGS)) != 0) {
+		(void) snprintf(buf, len, "0x%x", cte->cte_format);
+		return;
+	}
+
+	if (cte->cte_format & CTF_INT_SIGNED) {
+		off += snprintf(buf + off, MAX(len - off, 0), "%sSIGNED",
+		    space == B_TRUE ? " " : "");
+		space = B_TRUE;
+	}
+
+	if (cte->cte_format & CTF_INT_CHAR) {
+		off += snprintf(buf + off, MAX(len - off, 0), "%sCHAR",
+		    space == B_TRUE ? " " : "");
+		space = B_TRUE;
+	}
+
+	if (cte->cte_format & CTF_INT_BOOL) {
+		off += snprintf(buf + off, MAX(len - off, 0), "%sBOOL",
+		    space == B_TRUE ? " " : "");
+		space = B_TRUE;
+	}
+
+	if (cte->cte_format & CTF_INT_VARARGS) {
+		off += snprintf(buf + off, MAX(len - off, 0), "%sVARARGS",
+		    space == B_TRUE ? " " : "");
+		space = B_TRUE;
+	}
+}
+
+static int
+ctfdump_member_cb(const char *member, ctf_id_t type, ulong_t off, void *arg)
+{
+	int *count = arg;
+	ctfdump_printf(CTFDUMP_TYPES, "\t%s type=%lu off=%lu\n", member, type,
+	    off);
+	*count = *count + 1;
+	return (0);
+}
+
+static int
+ctfdump_enum_cb(const char *name, int value, void *arg)
+{
+	int *count = arg;
+	ctfdump_printf(CTFDUMP_TYPES, "\t%s = %d\n", name, value);
+	*count = *count + 1;
+	return (0);
+}
+
+static int
+ctfdump_types_cb(ctf_id_t id, boolean_t root, void *arg)
+{
+	int kind, i, count;
+	ctf_id_t ref;
+	char name[512], ienc[128];
+	const char *encn;
+	ctf_funcinfo_t ctc;
+	ctf_arinfo_t ar;
+	ctf_encoding_t cte;
+	ssize_t size;
+
+	if ((kind = ctf_type_kind(g_fp, id)) == CTF_ERR)
+		ctfdump_fatal("encountered malformed ctf, type %s does not "
+		    "have a kind: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
+
+	if (ctf_type_name(g_fp, id, name, sizeof (name)) == NULL) {
+		if (ctf_errno(g_fp) != ECTF_NOPARENT)
+			ctfdump_fatal("type %lu missing name: %s\n", id,
+			    ctf_errmsg(ctf_errno(g_fp)));
+		(void) snprintf(name, sizeof (name), "(unknown %s)",
+		    ctfdump_knames[kind]);
+	}
+
+	g_stats.cs_ntypes[kind]++;
+	if (root == B_TRUE)
+		ctfdump_printf(CTFDUMP_TYPES, "  <%lu> ", id);
+	else
+		ctfdump_printf(CTFDUMP_TYPES, "  [%lu] ", id);
+
+	switch (kind) {
+	case CTF_K_UNKNOWN:
+		break;
+	case CTF_K_INTEGER:
+		if (ctf_type_encoding(g_fp, id, &cte) == CTF_ERR)
+			ctfdump_fatal("failed to get encoding information "
+			    "for %s: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
+		ctfdump_intenc_name(&cte, ienc, sizeof (ienc));
+		ctfdump_printf(CTFDUMP_TYPES,
+		    "%s encoding=%s offset=%u bits=%u",
+		    name, ienc, cte.cte_offset, cte.cte_bits);
+		break;
+	case CTF_K_FLOAT:
+		if (ctf_type_encoding(g_fp, id, &cte) == CTF_ERR)
+			ctfdump_fatal("failed to get encoding information "
+			    "for %s: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
+		if (cte.cte_format < 1 || cte.cte_format > 12)
+			encn = "unknown";
+		else
+			encn = ctfdump_fpenc[cte.cte_format];
+		ctfdump_printf(CTFDUMP_TYPES, "%s encoding=%s offset=%u "
+		    "bits=%u", name, encn, cte.cte_offset, cte.cte_bits);
+		break;
+	case CTF_K_POINTER:
+		if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR)
+			ctfdump_fatal("failed to get reference type for %s: "
+			    "%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
+		ctfdump_printf(CTFDUMP_TYPES, "%s refers to %lu", name,
+		    ref);
+		break;
+	case CTF_K_ARRAY:
+		if (ctf_array_info(g_fp, id, &ar) == CTF_ERR)
+			ctfdump_fatal("failed to get array information for "
+			    "%s: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
+		ctfdump_printf(CTFDUMP_TYPES, "%s contents: %lu, index: %lu",
+		    name, ar.ctr_contents, ar.ctr_index);
+		break;
+	case CTF_K_FUNCTION:
+		if (ctf_func_info_by_id(g_fp, id, &ctc) == CTF_ERR)
+			ctfdump_fatal("failed to get function info for %s: "
+			    "%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
+		if (ctc.ctc_argc > 0) {
+			ctfdump_fargs_grow(ctc.ctc_argc);
+			if (ctf_func_args_by_id(g_fp, id, g_nfargc, g_fargc) ==
+			    CTF_ERR)
+				ctfdump_fatal("failed to get function "
+				    "arguments for %s: %s\n", name,
+				    ctf_errmsg(ctf_errno(g_fp)));
+		}
+		ctfdump_printf(CTFDUMP_TYPES,
+		    "%s returns: %lu args: (", name, ctc.ctc_return);
+		for (i = 0; i < ctc.ctc_argc; i++) {
+			ctfdump_printf(CTFDUMP_TYPES, "%lu%s", g_fargc[i],
+			    i + 1 == ctc.ctc_argc ? "" : ", ");
+		}
+		if (ctc.ctc_flags & CTF_FUNC_VARARG)
+			ctfdump_printf(CTFDUMP_TYPES, "%s...",
+			    ctc.ctc_argc == 0 ? "" : ", ");
+		ctfdump_printf(CTFDUMP_TYPES, ")");
+		break;
+	case CTF_K_STRUCT:
+	case CTF_K_UNION:
+		size = ctf_type_size(g_fp, id);
+		if (size == CTF_ERR)
+			ctfdump_fatal("failed to get size of %s: %s\n", name,
+			    ctf_errmsg(ctf_errno(g_fp)));
+		ctfdump_printf(CTFDUMP_TYPES, "%s (%d bytes)\n", name, size);
+		count = 0;
+		if (ctf_member_iter(g_fp, id, ctfdump_member_cb, &count) != 0)
+			ctfdump_fatal("failed to iterate members of %s: %s\n",
+			    name, ctf_errmsg(ctf_errno(g_fp)));
+		if (kind == CTF_K_STRUCT) {
+			g_stats.cs_nsmembs += count;
+			g_stats.cs_nsmax = MAX(count, g_stats.cs_nsmax);
+			g_stats.cs_structsz += size;
+			g_stats.cs_sszmax = MAX(size, g_stats.cs_sszmax);
+		} else {
+			g_stats.cs_numembs += count;
+			g_stats.cs_numax = MAX(count, g_stats.cs_numax);
+			g_stats.cs_unionsz += size;
+			g_stats.cs_uszmax = MAX(count, g_stats.cs_uszmax);
+		}
+		break;
+	case CTF_K_ENUM:
+		ctfdump_printf(CTFDUMP_TYPES, "%s\n", name);
+		count = 0;
+		if (ctf_enum_iter(g_fp, id, ctfdump_enum_cb, &count) != 0)
+			ctfdump_fatal("failed to iterate enumerators of %s: "
+			    "%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
+		g_stats.cs_nemembs += count;
+		g_stats.cs_nemax = MAX(g_stats.cs_nemax, count);
+		break;
+	case CTF_K_FORWARD:
+		ctfdump_printf(CTFDUMP_TYPES, "forward %s\n", name);
+		break;
+	case CTF_K_TYPEDEF:
+		if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR)
+			ctfdump_fatal("failed to get reference type for %s: "
+			    "%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
+		ctfdump_printf(CTFDUMP_TYPES, "typedef %s refers to %lu", name,
+		    ref);
+		break;
+	case CTF_K_VOLATILE:
+		if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR)
+			ctfdump_fatal("failed to get reference type for %s: "
+			    "%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
+		ctfdump_printf(CTFDUMP_TYPES, "%s refers to %lu", name,
+		    ref);
+		break;
+	case CTF_K_CONST:
+		if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR)
+			ctfdump_fatal("failed to get reference type for %s: "
+			    "%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
+		ctfdump_printf(CTFDUMP_TYPES, "%s refers to %lu", name,
+		    ref);
+		break;
+	case CTF_K_RESTRICT:
+		if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR)
+			ctfdump_fatal("failed to get reference type for %s: "
+			    "%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
+		ctfdump_printf(CTFDUMP_TYPES, "%s refers to %lu", name,
+		    ref);
+		break;
+	default:
+		ctfdump_fatal("encountered unknown kind for type %s: %d\n",
+		    name, kind);
+	}
+
+	ctfdump_printf(CTFDUMP_TYPES, "\n");
+
+	return (0);
+}
+
+static void
+ctfdump_types(void)
+{
+	ctfdump_title(CTFDUMP_TYPES, "Types");
+
+	if (ctf_type_iter(g_fp, B_TRUE, ctfdump_types_cb, NULL) == CTF_ERR)
+		ctfdump_fatal("failed to dump labels: %s\n",
+		    ctf_errmsg(ctf_errno(g_fp)));
+}
+
+static void
+ctfdump_output(const char *out)
+{
+	int fd, ret;
+	const void *data;
+	size_t len;
+
+	ctf_dataptr(g_fp, &data, &len);
+	if ((fd = open(out, O_WRONLY | O_CREAT | O_TRUNC, 0666)) < 0)
+		ctfdump_fatal("failed to open output file %s: %s\n", out,
+		    strerror(errno));
+
+	while (len > 0) {
+		ret = write(fd, data, len);
+		if (ret == -1 && errno == EINTR)
+			continue;
+		else if (ret == -1 && (errno == EFAULT || errno == EBADF))
+			abort();
+		else if (ret == -1)
+			ctfdump_fatal("failed to write to %s: %s\n", out,
+			    strerror(errno));
+		data += ret;
+		len -= ret;
+	}
+
+	do {
+		ret = close(fd);
+	} while (ret == -1 && errno == EINTR);
+	if (ret != 0 && errno == EBADF)
+		abort();
+	if (ret != 0)
+		ctfdump_fatal("failed to close %s: %s\n", out, strerror(errno));
+}
+
+int
+main(int argc, char *argv[])
+{
+	int c, fd, err;
+	const char *ufile = NULL, *parent = NULL;
+
+	g_progname = basename(argv[0]);
+	while ((c = getopt(argc, argv, ":dfhlp:sStu:")) != -1) {
+		switch (c) {
+		case 'd':
+			g_dump |= CTFDUMP_OBJECTS;
+			break;
+		case 'f':
+			g_dump |= CTFDUMP_FUNCTIONS;
+			break;
+		case 'h':
+			g_dump |= CTFDUMP_HEADER;
+			break;
+		case 'l':
+			g_dump |= CTFDUMP_LABELS;
+			break;
+		case 'p':
+			parent = optarg;
+			break;
+		case 's':
+			g_dump |= CTFDUMP_STRINGS;
+			break;
+		case 'S':
+			g_dump |= CTFDUMP_STATS;
+			break;
+		case 't':
+			g_dump |= CTFDUMP_TYPES;
+			break;
+		case 'u':
+			g_dump |= CTFDUMP_OUTPUT;
+			ufile = optarg;
+			break;
+		case '?':
+			ctfdump_usage("Option -%c requires an operand\n",
+			    optopt);
+			return (2);
+		case ':':
+			ctfdump_usage("Unknown option: -%c\n", optopt);
+			return (2);
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	/*
+	 * Dump all information by default.
+	 */
+	if (g_dump == 0)
+		g_dump = CTFDUMP_DEFAULT;
+
+	if (argc != 1) {
+		ctfdump_usage("no file to dump\n");
+		return (2);
+	}
+
+	if ((fd = open(argv[0], O_RDONLY)) < 0)
+		ctfdump_fatal("failed to open file %s: %s\n", argv[0],
+		    strerror(errno));
+
+	g_fp = ctf_fdopen(fd, &err);
+	if (g_fp == NULL)
+		ctfdump_fatal("failed to open file %s: %s\n", argv[0],
+		    ctf_errmsg(err));
+
+	if (parent != NULL) {
+		ctf_file_t *pfp = ctf_open(parent, &err);
+
+		if (pfp == NULL)
+			ctfdump_fatal("failed to open parent file %s: %s\n",
+			    parent, ctf_errmsg(err));
+		if (ctf_import(g_fp, pfp) != 0)
+			ctfdump_fatal("failed to import parent %s: %s\n",
+			    parent, ctf_errmsg(ctf_errno(g_fp)));
+	}
+
+	/*
+	 * If stats is set, we must run through everything exect CTFDUMP_OUTPUT.
+	 * We also do CTFDUMP_STATS last as a result.
+	 */
+	if (g_dump & CTFDUMP_HEADER)
+		ctfdump_header();
+
+	if (g_dump & (CTFDUMP_LABELS | CTFDUMP_STATS))
+		ctfdump_labels();
+
+	if (g_dump & (CTFDUMP_OBJECTS | CTFDUMP_STATS))
+		ctfdump_objects();
+
+	if (g_dump & (CTFDUMP_FUNCTIONS | CTFDUMP_STATS))
+		ctfdump_functions();
+
+	if (g_dump & (CTFDUMP_TYPES | CTFDUMP_STATS))
+		ctfdump_types();
+
+	if (g_dump & (CTFDUMP_STRINGS | CTFDUMP_STATS))
+		ctfdump_strings();
+
+	if (g_dump & CTFDUMP_STATS)
+		ctfdump_stats();
+
+	if (g_dump & CTFDUMP_OUTPUT)
+		ctfdump_output(ufile);
+
+	return (0);
+}
diff --git a/usr/src/cmd/ctfmerge/Makefile b/usr/src/cmd/ctfmerge/Makefile
new file mode 100644
index 0000000000..02ead98687
--- /dev/null
+++ b/usr/src/cmd/ctfmerge/Makefile
@@ -0,0 +1,33 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2015, Joyent, Inc.
+#
+
+PROG= ctfmerge 
+
+include ../Makefile.cmd
+
+CFLAGS += $(CCVERBOSE)
+LDLIBS += -lctf -lelf
+
+.KEEP_STATE:
+
+all: $(PROG)
+
+install: all $(ROOTPROG)
+
+clean:
+
+lint:	lint_PROG
+
+include ../Makefile.targ
diff --git a/usr/src/cmd/ctfmerge/ctfmerge.c b/usr/src/cmd/ctfmerge/ctfmerge.c
new file mode 100644
index 0000000000..a64936ccbe
--- /dev/null
+++ b/usr/src/cmd/ctfmerge/ctfmerge.c
@@ -0,0 +1,487 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015, Joyent, Inc.
+ */
+
+/*
+ * merge CTF containers
+ */
+
+#include <stdio.h>
+#include <libctf.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <strings.h>
+#include <assert.h>
+#include <unistd.h>
+#include <sys/fcntl.h>
+#include <stdlib.h>
+#include <libelf.h>
+#include <gelf.h>
+#include <sys/mman.h>
+#include <libgen.h>
+#include <stdarg.h>
+
+static char *g_progname;
+static char *g_unique;
+static char *g_outfile;
+static boolean_t g_req;
+static uint_t g_nctf;
+
+static void
+ctfmerge_fatal(const char *fmt, ...)
+{
+	va_list ap;
+
+	(void) fprintf(stderr, "%s: ", g_progname);
+	va_start(ap, fmt);
+	(void) vfprintf(stderr, fmt, ap);
+	va_end(ap);
+
+	if (g_outfile != NULL)
+		(void) unlink(g_outfile);
+
+	exit(1);
+}
+
+static boolean_t
+ctfmerge_expect_ctf(const char *name, Elf *elf)
+{
+	Elf_Scn *scn, *strscn;
+	Elf_Data *data, *strdata;
+	GElf_Shdr shdr;
+	ulong_t i;
+
+	if (g_req == B_FALSE)
+		return (B_FALSE);
+
+	scn = NULL;
+	while ((scn = elf_nextscn(elf, scn)) != NULL) {
+		if (gelf_getshdr(scn, &shdr) == NULL) {
+			ctfmerge_fatal("failed to get section header for file "
+			    "%s: %s\n", name, elf_errmsg(elf_errno()));
+		}
+
+		if (shdr.sh_type == SHT_SYMTAB)
+			break;
+	}
+
+	if (scn == NULL)
+		return (B_FALSE);
+
+	if ((strscn = elf_getscn(elf, shdr.sh_link)) == NULL)
+		ctfmerge_fatal("failed to get section header for file %s: %s\n",
+		    name, elf_errmsg(elf_errno()));
+
+	if ((data = elf_getdata(scn, NULL)) == NULL)
+		ctfmerge_fatal("failed to read symbol table for %s: %s\n",
+		    name, elf_errmsg(elf_errno()));
+
+	if ((strdata = elf_getdata(strscn, NULL)) == NULL)
+		ctfmerge_fatal("failed to read string table for %s: %s\n",
+		    name, elf_errmsg(elf_errno()));
+
+	for (i = 0; i < shdr.sh_size / shdr.sh_entsize; i++) {
+		GElf_Sym sym;
+		const char *file;
+		size_t len;
+
+		if (gelf_getsym(data, i, &sym) == NULL)
+			ctfmerge_fatal("failed to read symbol table entry %d "
+			    "for %s: %s\n", i, name, elf_errmsg(elf_errno()));
+
+		if (GELF_ST_TYPE(sym.st_info) != STT_FILE)
+			continue;
+
+		file = (const char *)((uintptr_t)strdata->d_buf + sym.st_name);
+		len = strlen(file);
+		if (len < 2 || name[len - 2] != '.')
+			continue;
+
+		if (name[len - 1] == 'c')
+			return (B_TRUE);
+	}
+
+	return (B_FALSE);
+}
+
+/*
+ * Go through and construct enough information for this Elf Object to try and do
+ * a ctf_bufopen().
+ */
+static void
+ctfmerge_elfopen(const char *name, Elf *elf, ctf_merge_t *cmh)
+{
+	GElf_Ehdr ehdr;
+	GElf_Shdr shdr;
+	Elf_Scn *scn;
+	Elf_Data *ctf_data, *str_data, *sym_data;
+	ctf_sect_t ctfsect, symsect, strsect;
+	ctf_file_t *fp;
+	int err;
+
+	if (gelf_getehdr(elf, &ehdr) == NULL)
+		ctfmerge_fatal("failed to get ELF header for %s: %s\n",
+		    name, elf_errmsg(elf_errno()));
+
+	bzero(&ctfsect, sizeof (ctf_sect_t));
+	bzero(&symsect, sizeof (ctf_sect_t));
+	bzero(&strsect, sizeof (ctf_sect_t));
+
+	scn = NULL;
+	while ((scn = elf_nextscn(elf, scn)) != NULL) {
+		const char *sname;
+
+		if (gelf_getshdr(scn, &shdr) == NULL)
+			ctfmerge_fatal("failed to get section header for "
+			    "file %s: %s\n", name, elf_errmsg(elf_errno()));
+
+		sname = elf_strptr(elf, ehdr.e_shstrndx, shdr.sh_name);
+		if (shdr.sh_type == SHT_PROGBITS &&
+		    strcmp(sname, ".SUNW_ctf") == 0) {
+			ctfsect.cts_name = sname;
+			ctfsect.cts_type = shdr.sh_type;
+			ctfsect.cts_flags = shdr.sh_flags;
+			ctfsect.cts_size = shdr.sh_size;
+			ctfsect.cts_entsize = shdr.sh_entsize;
+			ctfsect.cts_offset = (off64_t)shdr.sh_offset;
+
+			ctf_data = elf_getdata(scn, NULL);
+			if (ctf_data == NULL)
+				ctfmerge_fatal("failed to get ELF CTF "
+				    "data section for %s: %s\n", name,
+				    elf_errmsg(elf_errno()));
+			ctfsect.cts_data = ctf_data->d_buf;
+		} else if (shdr.sh_type == SHT_SYMTAB) {
+			Elf_Scn *strscn;
+			GElf_Shdr strhdr;
+
+			symsect.cts_name = sname;
+			symsect.cts_type = shdr.sh_type;
+			symsect.cts_flags = shdr.sh_flags;
+			symsect.cts_size = shdr.sh_size;
+			symsect.cts_entsize = shdr.sh_entsize;
+			symsect.cts_offset = (off64_t)shdr.sh_offset;
+
+			if ((strscn = elf_getscn(elf, shdr.sh_link)) == NULL ||
+			    gelf_getshdr(strscn, &strhdr) == NULL)
+				ctfmerge_fatal("failed to get "
+				    "string table for file %s: %s\n", name,
+				    elf_errmsg(elf_errno()));
+
+			strsect.cts_name = elf_strptr(elf, ehdr.e_shstrndx,
+			    strhdr.sh_name);
+			strsect.cts_type = strhdr.sh_type;
+			strsect.cts_flags = strhdr.sh_flags;
+			strsect.cts_size = strhdr.sh_size;
+			strsect.cts_entsize = strhdr.sh_entsize;
+			strsect.cts_offset = (off64_t)strhdr.sh_offset;
+
+			sym_data = elf_getdata(scn, NULL);
+			if (sym_data == NULL)
+				ctfmerge_fatal("failed to get ELF CTF "
+				    "data section for %s: %s\n", name,
+				    elf_errmsg(elf_errno()));
+			symsect.cts_data = sym_data->d_buf;
+
+			str_data = elf_getdata(strscn, NULL);
+			if (str_data == NULL)
+				ctfmerge_fatal("failed to get ELF CTF "
+				    "data section for %s: %s\n", name,
+				    elf_errmsg(elf_errno()));
+			strsect.cts_data = str_data->d_buf;
+		}
+	}
+
+	if (ctfsect.cts_type == SHT_NULL) {
+		if (ctfmerge_expect_ctf(name, elf) == B_FALSE)
+			return;
+		ctfmerge_fatal("failed to open %s: %s\n", name,
+		    ctf_errmsg(ECTF_NOCTFDATA));
+	}
+
+	if (symsect.cts_type != SHT_NULL && strsect.cts_type != SHT_NULL) {
+		fp = ctf_bufopen(&ctfsect, &symsect, &strsect, &err);
+	} else {
+		fp = ctf_bufopen(&ctfsect, NULL, NULL, &err);
+	}
+
+	if (fp == NULL) {
+		if (ctfmerge_expect_ctf(name, elf) == B_TRUE) {
+			ctfmerge_fatal("failed to open file %s: %s\n",
+			    name, ctf_errmsg(err));
+		}
+	} else {
+		if (ctf_merge_add(cmh, fp) != 0) {
+			ctfmerge_fatal("failed to add input %s: %s\n",
+			    name, ctf_errmsg(ctf_errno(fp)));
+			exit(1);
+		}
+		g_nctf++;
+	}
+}
+
+static void
+ctfmerge_read_archive(const char *name, int fd, Elf *elf,
+    ctf_merge_t *cmh)
+{
+	Elf *aelf;
+	Elf_Cmd cmd = ELF_C_READ;
+	int cursec = 1;
+	char *nname;
+
+	while ((aelf = elf_begin(fd, cmd, elf)) != NULL) {
+		Elf_Arhdr *arhdr;
+		boolean_t leakelf = B_FALSE;
+
+		if ((arhdr = elf_getarhdr(aelf)) == NULL)
+			ctfmerge_fatal("failed to get archive header %d for "
+			    "%s: %s\n", cursec, name, elf_errmsg(elf_errno()));
+
+		if (*(arhdr->ar_name) == '/')
+			goto next;
+
+		if (asprintf(&nname, "%s.%s.%d", name, arhdr->ar_name,
+		    cursec) < 0)
+			ctfmerge_fatal("failed to allocate memory for archive "
+			    "%d of file %s\n", cursec, name);
+
+		switch (elf_kind(aelf)) {
+		case ELF_K_AR:
+			ctfmerge_read_archive(nname, fd, aelf, cmh);
+			free(nname);
+			break;
+		case ELF_K_ELF:
+			ctfmerge_elfopen(nname, aelf, cmh);
+			free(nname);
+			leakelf = B_TRUE;
+			break;
+		default:
+			ctfmerge_fatal("unknown elf kind (%d) in archive %d "
+			    "for %s\n", elf_kind(aelf), cursec, name);
+		}
+
+next:
+		cmd = elf_next(aelf);
+		if (leakelf == B_FALSE)
+			(void) elf_end(aelf);
+		cursec++;
+	}
+}
+
+static void
+ctfmerge_usage(const char *fmt, ...)
+{
+	if (fmt != NULL) {
+		va_list ap;
+
+		(void) fprintf(stderr, "%s: ", g_progname);
+		va_start(ap, fmt);
+		(void) vfprintf(stderr, fmt, ap);
+		va_end(ap);
+	}
+
+	(void) fprintf(stderr, "Usage: %s [-gt] [-d uniqfile] [-l label] "
+	    "[-L labelenv] -o outfile file ...\n"
+	    "\n"
+	    "\t-d  uniquify merged output against uniqfile\n"
+	    "\t-g  do not remove source debug information (STABS, DWARF)\n"
+	    "\t-l  set output container's label to specified value\n"
+	    "\t-L  set output container's label to value from environment\n"
+	    "\t-o  file to add CTF data to\n"
+	    "\t-t  require CTF data from all inputs built from C sources\n",
+	    g_progname);
+}
+
+int
+main(int argc, char *argv[])
+{
+	int err, i, c, ofd;
+	char *tmpfile = NULL, *label = NULL;
+	int wflags = CTF_ELFWRITE_F_COMPRESS;
+	ctf_file_t *ofp;
+	ctf_merge_t *cmh;
+
+	g_progname = basename(argv[0]);
+
+	/*
+	 * We support a subset of the old CTF merge flags, mostly for
+	 * compatability.
+	 */
+	while ((c = getopt(argc, argv, ":d:fgL:o:t")) != -1) {
+		switch (c) {
+		case 'd':
+			g_unique = optarg;
+			break;
+		case 'f':
+			/* Silently ignored for compatibility */
+			break;
+		case 'g':
+			/* Silently ignored for compatibility */
+			break;
+		case 'l':
+			label = optarg;
+			break;
+		case 'L':
+			label = getenv(optarg);
+			break;
+		case 'o':
+			g_outfile = optarg;
+			break;
+		case 't':
+			g_req = B_TRUE;
+			break;
+		case ':':
+			ctfmerge_usage("ctfmerge: Option -%c requires an "
+			    "operand\n", optopt);
+			return (2);
+		case '?':
+			ctfmerge_usage("Unknown option: -%c\n", optopt);
+			return (2);
+		}
+	}
+
+	if (g_outfile == NULL) {
+		ctfmerge_usage("missing required -o output file\n");
+		return (2);
+	}
+
+	(void) elf_version(EV_CURRENT);
+
+	/*
+	 * Obviously this isn't atomic, but at least gives us a good starting
+	 * point.
+	 */
+	if ((ofd = open(g_outfile, O_RDWR)) < 0)
+		ctfmerge_fatal("cannot open output file %s: %s\n", g_outfile,
+		    strerror(errno));
+
+	argc -= optind;
+	argv += optind;
+
+	if (argc < 1) {
+		ctfmerge_usage("no input files specified");
+		return (2);
+	}
+
+	cmh = ctf_merge_init(ofd, &err);
+	if (cmh == NULL)
+		ctfmerge_fatal("failed to create merge handle: %s\n",
+		    ctf_errmsg(err));
+
+	for (i = 0; i < argc; i++) {
+		ctf_file_t *ifp;
+		int fd;
+
+		if ((fd = open(argv[i], O_RDONLY)) < 0)
+			ctfmerge_fatal("failed to open file %s: %s\n",
+			    argv[i], strerror(errno));
+		ifp = ctf_fdopen(fd, &err);
+		if (ifp == NULL) {
+			Elf *e;
+
+			if ((e = elf_begin(fd, ELF_C_READ, NULL)) == NULL) {
+				(void) close(fd);
+				ctfmerge_fatal("failed to open %s: %s\n",
+				    argv[i], ctf_errmsg(err));
+			}
+
+			/*
+			 * It's an ELF file, check if we have an archive or if
+			 * we're expecting CTF here.
+			 */
+			switch (elf_kind(e)) {
+			case ELF_K_AR:
+				break;
+			case ELF_K_ELF:
+				if (ctfmerge_expect_ctf(argv[i], e) == B_TRUE) {
+					(void) elf_end(e);
+					(void) close(fd);
+					ctfmerge_fatal("failed to "
+					    "open %s: file was built from C "
+					    "sources, but missing CTF\n",
+					    argv[i]);
+				}
+				(void) elf_end(e);
+				(void) close(fd);
+				continue;
+			default:
+				(void) elf_end(e);
+				(void) close(fd);
+				ctfmerge_fatal("failed to open %s: "
+				    "unsupported ELF file type", argv[i]);
+			}
+
+			ctfmerge_read_archive(argv[i], fd, e, cmh);
+			(void) elf_end(e);
+			(void) close(fd);
+			continue;
+		}
+		(void) close(fd);
+		if ((err = ctf_merge_add(cmh, ifp)) != 0)
+			ctfmerge_fatal("failed to add input %s: %s\n",
+			    argv[i], ctf_errmsg(err));
+		g_nctf++;
+	}
+
+	if (g_nctf == 0) {
+		ctf_merge_fini(cmh);
+		return (0);
+	}
+
+	if (g_unique != NULL) {
+		ctf_file_t *ufp;
+		char *base;
+
+		ufp = ctf_open(g_unique, &err);
+		if (ufp == NULL) {
+			ctfmerge_fatal("failed to open uniquify file %s: %s\n",
+			    g_unique, ctf_errmsg(err));
+			return (1);
+		}
+
+		base = basename(g_unique);
+		(void) ctf_merge_uniquify(cmh, ufp, base);
+	}
+
+	if (label != NULL) {
+		if ((err = ctf_merge_label(cmh, label)) != 0)
+			ctfmerge_fatal("failed to add label %s: %s\n", label,
+			    ctf_errmsg(err));
+	}
+
+	err = ctf_merge_merge(cmh, &ofp);
+	if (err != 0)
+		ctfmerge_fatal("failed to merge types: %s\n", ctf_errmsg(err));
+	ctf_merge_fini(cmh);
+
+	if (asprintf(&tmpfile, "%s.ctf", g_outfile) == -1)
+		ctfmerge_fatal("ran out of memory for temporary file name\n");
+	err = ctf_elfwrite(ofp, g_outfile, tmpfile, wflags);
+	free(tmpfile);
+	if (err == CTF_ERR) {
+		(void) unlink(tmpfile);
+		ctfmerge_fatal("encountered a libctf error: %s!\n",
+		    ctf_errmsg(ctf_errno(ofp)));
+	}
+
+	if (rename(tmpfile, g_outfile) != 0) {
+		(void) unlink(tmpfile);
+		ctfmerge_fatal("failed to rename temporary file: %s\n",
+		    strerror(errno));
+	}
+
+	return (0);
+}
diff --git a/usr/src/cmd/devfsadm/Makefile.com b/usr/src/cmd/devfsadm/Makefile.com
index 4df3b00585..1585db2894 100644
--- a/usr/src/cmd/devfsadm/Makefile.com
+++ b/usr/src/cmd/devfsadm/Makefile.com
@@ -67,7 +67,6 @@ LINK_OBJS_CMN =			\
 	fssnap_link.o           \
 	sgen_link.o		\
 	smp_link.o		\
-	md_link.o		\
 	dtrace_link.o		\
 	vscan_link.o		\
 	zfs_link.o		\
diff --git a/usr/src/cmd/devfsadm/devlink.tab.sh b/usr/src/cmd/devfsadm/devlink.tab.sh
index 6724fcb573..0267efeb9f 100644
--- a/usr/src/cmd/devfsadm/devlink.tab.sh
+++ b/usr/src/cmd/devfsadm/devlink.tab.sh
@@ -22,8 +22,7 @@
 #
 # Copyright (c) 1998, 2000 by Sun Microsystems, Inc.
 # All rights reserved.
-#
-#ident	"%Z%%M%	%I%	%E% SMI"
+# Copyright (c) 2012 Joyent, Inc. All rights reserved.
 #
 # This is the script that generates the devlink.tab file. It is
 # architecture-aware, and dumps different stuff for x86 and sparc.
@@ -34,8 +33,6 @@
 #
 
 cat <<EOM
-#ident   "%Z%%M% %I%     %E% SMI"
-#
 # Copyright (c) 1998 by Sun Microsystems, Inc.
 #
 #
diff --git a/usr/src/cmd/devfsadm/i386/Makefile b/usr/src/cmd/devfsadm/i386/Makefile
index 1f14c93dad..75f2da3436 100644
--- a/usr/src/cmd/devfsadm/i386/Makefile
+++ b/usr/src/cmd/devfsadm/i386/Makefile
@@ -24,8 +24,11 @@
 
 LINK_OBJS_i386 = \
 	misc_link_i386.o \
+	lx_link_i386.o \
 	xen_link.o
 
+lx_link_i386.o lx_link_i386.po lx_link_i386.ln := CPPFLAGS += -I$(UTSBASE)/common/brand/lx
+
 xen_link.o xen_link.ln xen_link.po := CPPFLAGS += -I$(UTSBASE)/i86xpv
 
 include ../Makefile.com
diff --git a/usr/src/cmd/devfsadm/i386/lx_link_i386.c b/usr/src/cmd/devfsadm/i386/lx_link_i386.c
new file mode 100644
index 0000000000..855f4f7383
--- /dev/null
+++ b/usr/src/cmd/devfsadm/i386/lx_link_i386.c
@@ -0,0 +1,86 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <devfsadm.h>
+#include <strings.h>
+#include <stdio.h>
+#include <sys/lx_ptm.h>
+#include <sys/lx_audio.h>
+
+static int lx_ptm(di_minor_t minor, di_node_t node);
+static int lx_audio(di_minor_t minor, di_node_t node);
+static int lx_systrace(di_minor_t minor, di_node_t node);
+
+static devfsadm_create_t lx_create_cbt[] = {
+	{ "pseudo", "ddi_pseudo", LX_PTM_DRV,
+	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, lx_ptm },
+	{ "pseudo", "ddi_pseudo", LX_AUDIO_DRV,
+	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, lx_audio },
+	{ "pseudo", "ddi_pseudo", "lx_systrace",
+	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, lx_systrace },
+};
+
+DEVFSADM_CREATE_INIT_V0(lx_create_cbt);
+
+static int
+lx_ptm(di_minor_t minor, di_node_t node)
+{
+	char *mname = di_minor_name(minor);
+
+	if (strcmp(LX_PTM_MINOR_NODE, mname) == 0)
+		(void) devfsadm_mklink("brand/lx/ptmx", node, minor, 0);
+
+	return (DEVFSADM_CONTINUE);
+}
+
+static int
+lx_audio(di_minor_t minor, di_node_t node)
+{
+	char *mname = di_minor_name(minor);
+
+	if (strcmp(LXA_MINORNAME_DEVCTL, mname) == 0)
+		(void) devfsadm_mklink("brand/lx/audio_devctl", node, minor, 0);
+	if (strcmp(LXA_MINORNAME_DSP, mname) == 0)
+		(void) devfsadm_mklink("brand/lx/dsp", node, minor, 0);
+	if (strcmp(LXA_MINORNAME_MIXER, mname) == 0)
+		(void) devfsadm_mklink("brand/lx/mixer", node, minor, 0);
+
+	return (DEVFSADM_CONTINUE);
+}
+
+static int
+lx_systrace(di_minor_t minor, di_node_t node)
+{
+	char *mname = di_minor_name(minor);
+	char path[MAXPATHLEN];
+
+	(void) snprintf(path, sizeof (path), "dtrace/provider/%s", mname);
+	(void) devfsadm_mklink(path, node, minor, 0);
+
+	return (DEVFSADM_CONTINUE);
+}
diff --git a/usr/src/cmd/devfsadm/misc_link.c b/usr/src/cmd/devfsadm/misc_link.c
index b7aef8b00d..fa55eb401f 100644
--- a/usr/src/cmd/devfsadm/misc_link.c
+++ b/usr/src/cmd/devfsadm/misc_link.c
@@ -21,7 +21,7 @@
 /*
  * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
- * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
  */
 
 #include <regex.h>
@@ -32,6 +32,7 @@
 #include <limits.h>
 #include <sys/zone.h>
 #include <sys/zcons.h>
+#include <sys/zfd.h>
 #include <sys/cpuid_drv.h>
 
 static int display(di_minor_t minor, di_node_t node);
@@ -53,6 +54,7 @@ static int av_create(di_minor_t minor, di_node_t node);
 static int tsalarm_create(di_minor_t minor, di_node_t node);
 static int ntwdt_create(di_minor_t minor, di_node_t node);
 static int zcons_create(di_minor_t minor, di_node_t node);
+static int zfd_create(di_minor_t minor, di_node_t node);
 static int cpuid(di_minor_t minor, di_node_t node);
 static int glvc(di_minor_t minor, di_node_t node);
 static int ses_callback(di_minor_t minor, di_node_t node);
@@ -89,6 +91,9 @@ static devfsadm_create_t misc_cbt[] = {
 	{ "pseudo", "ddi_pseudo", "consms",
 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, consms
 	},
+	{ "pseudo", "ddi_pseudo", "eventfd",
+	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
+	},
 	{ "pseudo", "ddi_pseudo", "rsm",
 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
 	},
@@ -108,6 +113,9 @@ static devfsadm_create_t misc_cbt[] = {
 	    "(^nca$)|(^rds$)|(^sdp$)|(^ipnet$)|(^dlpistub$)|(^bpf$)",
 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name
 	},
+	{ "pseudo", "ddi_pseudo", "inotify",
+	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
+	},
 	{ "pseudo", "ddi_pseudo", "ipd",
 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
 	},
@@ -123,6 +131,9 @@ static devfsadm_create_t misc_cbt[] = {
 	    "(^kdmouse$)|(^rootprop$)",
 	    TYPE_EXACT | DRV_RE, ILEVEL_0, node_name
 	},
+	{ "pseudo", "ddi_pseudo", "timerfd",
+	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
+	},
 	{ "pseudo", "ddi_pseudo", "tod",
 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, node_name
 	},
@@ -171,6 +182,9 @@ static devfsadm_create_t misc_cbt[] = {
 	{ "pseudo", "ddi_pseudo", "zcons",
 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, zcons_create,
 	},
+	{ "pseudo", "ddi_pseudo", "zfd",
+	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, zfd_create,
+	},
 	{ "pseudo", "ddi_pseudo", CPUID_DRIVER_NAME,
 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, cpuid,
 	},
@@ -195,6 +209,9 @@ static devfsadm_create_t misc_cbt[] = {
 	{ "pseudo", "ddi_pseudo", "tpm",
 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
 	},
+	{ "pseudo", "ddi_pseudo", "overlay",
+	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
+	}
 };
 
 DEVFSADM_CREATE_INIT_V0(misc_cbt);
@@ -219,6 +236,9 @@ static devfsadm_remove_t misc_remove_cbt[] = {
 		ZCONS_SLAVE_NAME ")$",
 	    RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
 	},
+	{ "pseudo", "^zfd/" ZONENAME_REGEXP "/(master|slave)/[0-9]+$",
+	    RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
+	},
 	{ "pseudo", "^" CPUID_SELF_NAME "$", RM_ALWAYS | RM_PRE | RM_HOT,
 	    ILEVEL_0, devfsadm_rm_all
 	},
@@ -666,6 +686,35 @@ zcons_create(di_minor_t minor, di_node_t node)
 	return (DEVFSADM_CONTINUE);
 }
 
+static int
+zfd_create(di_minor_t minor, di_node_t node)
+{
+	char	*minor_str;
+	char	*zonename;
+	int	*id;
+	char	path[MAXPATHLEN];
+
+	minor_str = di_minor_name(minor);
+
+	if (di_prop_lookup_strings(DDI_DEV_T_ANY, node, "zfd_zname",
+	    &zonename) == -1)
+		return (DEVFSADM_CONTINUE);
+
+	if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, "zfd_id", &id) == -1)
+		return (DEVFSADM_CONTINUE);
+
+	if (strncmp(minor_str, "slave", 5) == 0) {
+		(void) snprintf(path, sizeof (path), "zfd/%s/slave/%d",
+		    zonename, id[0]);
+	} else {
+		(void) snprintf(path, sizeof (path), "zfd/%s/master/%d",
+		    zonename, id[0]);
+	}
+	(void) devfsadm_mklink(path, node, minor, 0);
+
+	return (DEVFSADM_CONTINUE);
+}
+
 /*
  *	/dev/cpu/self/cpuid 	->	/devices/pseudo/cpuid@0:self
  */
diff --git a/usr/src/cmd/dladm/Makefile b/usr/src/cmd/dladm/Makefile
index 143086e26a..1f07bbd714 100644
--- a/usr/src/cmd/dladm/Makefile
+++ b/usr/src/cmd/dladm/Makefile
@@ -21,6 +21,7 @@
 #
 # Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
+# Copyright 2015 Joyent, Inc.
 #
 
 PROG= dladm
@@ -35,7 +36,7 @@ include ../Makefile.cmd
 XGETFLAGS += -a -x $(PROG).xcl
 LDLIBS += -L$(ROOT)/lib -lsocket
 LDLIBS += -ldladm -ldlpi -lkstat -lsecdb -lbsm -linetutil -ldevinfo
-LDLIBS += $(ZLAZYLOAD) -lrstp $(ZNOLAZYLOAD)
+LDLIBS += $(ZLAZYLOAD) -lrstp $(ZNOLAZYLOAD) -lnsl -lumem -lcmdutils
 
 CERRWARN += -_gcc=-Wno-switch
 CERRWARN += -_gcc=-Wno-unused-label
diff --git a/usr/src/cmd/dladm/dladm.c b/usr/src/cmd/dladm/dladm.c
index 904eca536d..8e4f61fae0 100644
--- a/usr/src/cmd/dladm/dladm.c
+++ b/usr/src/cmd/dladm/dladm.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015 Joyent, Inc. All rights reserved.
  */
 
 #include <stdio.h>
@@ -59,6 +60,7 @@
 #include <libdliptun.h>
 #include <libdlsim.h>
 #include <libdlbridge.h>
+#include <libdloverlay.h>
 #include <libinetutil.h>
 #include <libvrrpadm.h>
 #include <bsm/adt.h>
@@ -74,6 +76,7 @@
 #include <stddef.h>
 #include <stp_in.h>
 #include <ofmt.h>
+#include <libcmdutils.h>
 
 #define	MAXPORT			256
 #define	MAXVNIC			256
@@ -154,6 +157,7 @@ typedef struct show_vnic_state {
 	dladm_status_t	vs_status;
 	uint32_t	vs_flags;
 	ofmt_handle_t	vs_ofmt;
+	char		*vs_zonename;
 } show_vnic_state_t;
 
 typedef struct show_part_state {
@@ -192,6 +196,7 @@ static ofmt_cb_t print_lacp_cb, print_phys_one_mac_cb;
 static ofmt_cb_t print_xaggr_cb, print_aggr_stats_cb;
 static ofmt_cb_t print_phys_one_hwgrp_cb, print_wlan_attr_cb;
 static ofmt_cb_t print_wifi_status_cb, print_link_attr_cb;
+static ofmt_cb_t print_overlay_cb, print_overlay_fma_cb, print_overlay_targ_cb;
 static void dladm_ofmt_check(ofmt_status_t, boolean_t, ofmt_handle_t);
 
 typedef void cmdfunc_t(int, char **, const char *);
@@ -219,6 +224,8 @@ static cmdfunc_t do_create_bridge, do_modify_bridge, do_delete_bridge;
 static cmdfunc_t do_add_bridge, do_remove_bridge, do_show_bridge;
 static cmdfunc_t do_create_iptun, do_modify_iptun, do_delete_iptun;
 static cmdfunc_t do_show_iptun, do_up_iptun, do_down_iptun;
+static cmdfunc_t do_create_overlay, do_delete_overlay, do_modify_overlay;
+static cmdfunc_t do_show_overlay;
 
 static void 	do_up_vnic_common(int, char **, const char *, boolean_t);
 
@@ -254,8 +261,11 @@ static void	die(const char *, ...);
 static void	die_optdup(int);
 static void	die_opterr(int, int, const char *);
 static void	die_dlerr(dladm_status_t, const char *, ...);
+static void	die_dlerrlist(dladm_status_t, dladm_errlist_t *,
+    const char *, ...);
 static void	warn(const char *, ...);
 static void	warn_dlerr(dladm_status_t, const char *, ...);
+static void	warn_dlerrlist(dladm_errlist_t *);
 
 typedef struct	cmd {
 	char		*c_name;
@@ -265,7 +275,7 @@ typedef struct	cmd {
 
 static cmd_t	cmds[] = {
 	{ "rename-link",	do_rename_link,
-	    "    rename-link      <oldlink> <newlink>"			},
+	    "    rename-link      [-z zonename] <oldlink> <newlink>"	},
 	{ "show-link",		do_show_link,
 	    "    show-link        [-pP] [-o <field>,..] [-s [-i <interval>]] "
 	    "[<link>]\n"						},
@@ -300,12 +310,13 @@ static cmd_t	cmds[] = {
 	{ "show-wifi",		do_show_wifi,
 	    "    show-wifi        [-p] [-o <field>,...] [<link>]\n"	},
 	{ "set-linkprop",	do_set_linkprop,
-	    "    set-linkprop     [-t] -p <prop>=<value>[,...] <name>"	},
+	    "    set-linkprop     [-t] [-z zonename] -p <prop>=<value>[,...] "
+	    "<name>"							},
 	{ "reset-linkprop",	do_reset_linkprop,
-	    "    reset-linkprop   [-t] [-p <prop>,...] <name>"		},
+	    "    reset-linkprop   [-t] [-z zonename] [-p <prop>,...] <name>"},
 	{ "show-linkprop",	do_show_linkprop,
-	    "    show-linkprop    [-cP] [-o <field>,...] [-p <prop>,...] "
-	    "<name>\n"							},
+	    "    show-linkprop    [-cP] [-o <field>,...] [-z zonename] "
+	    "[-p <prop>,...] <name>\n"					},
 	{ "show-ether",		do_show_ether,
 	    "    show-ether       [-px][-o <field>,...] <link>\n"	},
 	{ "create-secobj",	do_create_secobj,
@@ -347,10 +358,10 @@ static cmd_t	cmds[] = {
 	    "\t\t     {vrrp -V <vrid> -A {inet | inet6}} [-v <vid> [-f]]\n"
 	    "\t\t     [-p <prop>=<value>[,...]] <vnic-link>"	},
 	{ "delete-vnic",	do_delete_vnic,
-	    "    delete-vnic      [-t] <vnic-link>"			},
+	    "    delete-vnic      [-t] [-z zonename] <vnic-link>"	},
 	{ "show-vnic",		do_show_vnic,
-	    "    show-vnic        [-pP] [-l <link>] [-s [-i <interval>]] "
-	    "[<link>]\n"						},
+	    "    show-vnic        [-pP] [-l <link>] [-z zonename] "
+	    "[-s [-i <interval>]] [<link>]\n"				},
 	{ "up-vnic",		do_up_vnic,		NULL		},
 	{ "create-part",	do_create_part,
 	    "    create-part      [-t] [-f] -l <link> [-P <pkey>]\n"
@@ -401,6 +412,17 @@ static cmd_t	cmds[] = {
 	    " <bridge>\n"
 	    "    show-bridge      -t [-p] [-o <field>,...] [-s [-i <interval>]]"
 	    " <bridge>\n"						},
+	{ "create-overlay",	do_create_overlay,
+	    "    create-overlay   [-t] -e <encap> -s <search> -v <vnetid>\n"
+	    "\t\t     [ -p <prop>=<value>[,...]] <overlay>"	},
+	{ "delete-overlay",	do_delete_overlay,
+	    "    delete-overlay   <overlay>"			},
+	{ "modify-overlay",	do_modify_overlay,
+	    "    modify-overlay   -d mac | -f | -s mac=ip:port "
+	    "<overlay>"						},
+	{ "show-overlay",	do_show_overlay,
+	    "    show-overlay     [-f | -t] [[-p] -o <field>,...] "
+	    "[<overlay>]\n"						},
 	{ "show-usage",		do_show_usage,
 	    "    show-usage       [-a] [-d | -F <format>] "
 	    "[-s <DD/MM/YYYY,HH:MM:SS>]\n"
@@ -959,6 +981,7 @@ typedef struct show_linkprop_state {
 	char			ls_link[MAXLINKNAMELEN];
 	char			*ls_line;
 	char			**ls_propvals;
+	char			*ls_zonename;
 	dladm_arg_list_t	*ls_proplist;
 	boolean_t		ls_parsable;
 	boolean_t		ls_persist;
@@ -1011,21 +1034,24 @@ typedef struct vnic_fields_buf_s
 	char vnic_macaddr[18];
 	char vnic_macaddrtype[19];
 	char vnic_vid[6];
+	char vnic_zone[ZONENAME_MAX];
 } vnic_fields_buf_t;
 
 static const ofmt_field_t vnic_fields[] = {
 { "LINK",		13,
 	offsetof(vnic_fields_buf_t, vnic_link),	print_default_cb},
-{ "OVER",		13,
+{ "OVER",		11,
 	offsetof(vnic_fields_buf_t, vnic_over),	print_default_cb},
-{ "SPEED",		7,
+{ "SPEED",		6,
 	offsetof(vnic_fields_buf_t, vnic_speed), print_default_cb},
 { "MACADDRESS",		18,
 	offsetof(vnic_fields_buf_t, vnic_macaddr), print_default_cb},
-{ "MACADDRTYPE",	20,
+{ "MACADDRTYPE",	12,
 	offsetof(vnic_fields_buf_t, vnic_macaddrtype), print_default_cb},
-{ "VID",		7,
+{ "VID",		5,
 	offsetof(vnic_fields_buf_t, vnic_vid), print_default_cb},
+{ "ZONE",		20,
+	offsetof(vnic_fields_buf_t, vnic_zone), print_default_cb},
 { NULL,			0, 0, NULL}}
 ;
 
@@ -1425,6 +1451,82 @@ static ofmt_field_t bridge_trill_fields[] = {
     offsetof(bridge_trill_fields_buf_t, bridget_nexthop), print_default_cb },
 { NULL,		0, 0, NULL}};
 
+static const struct option overlay_create_lopts[] = {
+	{ "encap",	required_argument,	NULL,	'e' },
+	{ "prop",	required_argument,	NULL,	'p' },
+	{ "search",	required_argument,	NULL,	's' },
+	{ "temporary", 	no_argument,		NULL,	't' },
+	{ "vnetid",	required_argument,	NULL,	'v' },
+	{ NULL,		0,			NULL,	0 }
+};
+
+static const struct option overlay_modify_lopts[] = {
+	{ "delete-entry",	required_argument,	NULL,	'd' },
+	{ "flush-table",	no_argument,		NULL,	'f' },
+	{ "set-entry",		required_argument,	NULL,	's' },
+	{ NULL,			0,			NULL,	0 }
+};
+
+static const struct option overlay_show_lopts[] = {
+	{ "fma",	no_argument,		NULL,	'f' },
+	{ "target",	no_argument,		NULL,	't' },
+	{ "parsable",	no_argument,		NULL,	'p' },
+	{ "parseable",	no_argument,		NULL,	'p' },
+	{ "output",	required_argument,	NULL,	'o' },
+	{ NULL,		0,			NULL,	0 }
+};
+
+/*
+ * Structures for dladm show-overlay
+ */
+typedef enum {
+	OVERLAY_LINK,
+	OVERLAY_PROPERTY,
+	OVERLAY_PERM,
+	OVERLAY_REQ,
+	OVERLAY_VALUE,
+	OVERLAY_DEFAULT,
+	OVERLAY_POSSIBLE
+} overlay_field_index_t;
+
+static const ofmt_field_t overlay_fields[] = {
+/* name,	field width,  index */
+{ "LINK",	19,	OVERLAY_LINK,		print_overlay_cb },
+{ "PROPERTY",	19,	OVERLAY_PROPERTY,	print_overlay_cb },
+{ "PERM",	5,	OVERLAY_PERM,		print_overlay_cb },
+{ "REQ",	4,	OVERLAY_REQ,		print_overlay_cb },
+{ "VALUE",	11,	OVERLAY_VALUE,		print_overlay_cb },
+{ "DEFAULT",	10,	OVERLAY_DEFAULT,	print_overlay_cb },
+{ "POSSIBLE",	10,	OVERLAY_POSSIBLE,	print_overlay_cb },
+{ NULL,		0,	0,	NULL }
+};
+
+typedef enum {
+	OVERLAY_FMA_LINK,
+	OVERLAY_FMA_STATUS,
+	OVERLAY_FMA_DETAILS
+} overlay_fma_field_index_t;
+
+static const ofmt_field_t overlay_fma_fields[] = {
+{ "LINK",	20,	OVERLAY_FMA_LINK,	print_overlay_fma_cb },
+{ "STATUS",	8,	OVERLAY_FMA_STATUS,	print_overlay_fma_cb },
+{ "DETAILS",	52,	OVERLAY_FMA_DETAILS,	print_overlay_fma_cb },
+{ NULL,		0,	0,			NULL }
+};
+
+typedef enum {
+	OVERLAY_TARG_LINK,
+	OVERLAY_TARG_TARGET,
+	OVERLAY_TARG_DEST
+} overlay_targ_field_index_t;
+
+static const ofmt_field_t overlay_targ_fields[] = {
+{ "LINK",		20,	OVERLAY_TARG_LINK,	print_overlay_targ_cb },
+{ "TARGET",		18,	OVERLAY_TARG_TARGET,	print_overlay_targ_cb },
+{ "DESTINATION",	42,	OVERLAY_TARG_DEST,	print_overlay_targ_cb },
+{ NULL,			0,	0,			NULL }
+};
+
 static char *progname;
 static sig_atomic_t signalled;
 
@@ -1434,6 +1536,12 @@ static sig_atomic_t signalled;
  */
 static dladm_handle_t handle = NULL;
 
+/*
+ * Global error list that all routines can use. It's initialized by the main
+ * code.
+ */
+static dladm_errlist_t errlist;
+
 #define	DLADM_ETHERSTUB_NAME	"etherstub"
 #define	DLADM_IS_ETHERSTUB(id)	(id == DATALINK_INVALID_LINKID)
 
@@ -1484,6 +1592,8 @@ main(int argc, char *argv[])
 				    "could not open /dev/dld");
 			}
 
+			dladm_errlist_init(&errlist);
+
 			cmdp->c_fn(argc - 1, &argv[1], cmdp->c_usage);
 
 			dladm_close(handle);
@@ -2495,13 +2605,17 @@ do_rename_link(int argc, char *argv[], const char *use)
 	char		*link1, *link2;
 	char		*altroot = NULL;
 	dladm_status_t	status;
+	char		*zonename = NULL;
 
 	opterr = 0;
-	while ((option = getopt_long(argc, argv, ":R:", lopts, NULL)) != -1) {
+	while ((option = getopt_long(argc, argv, ":R:z:", lopts, NULL)) != -1) {
 		switch (option) {
 		case 'R':
 			altroot = optarg;
 			break;
+		case 'z':
+			zonename = optarg;
+			break;
 		default:
 			die_opterr(optopt, option, use);
 			break;
@@ -2517,7 +2631,7 @@ do_rename_link(int argc, char *argv[], const char *use)
 
 	link1 = argv[optind++];
 	link2 = argv[optind];
-	if ((status = dladm_rename_link(handle, link1, link2)) !=
+	if ((status = dladm_rename_link(handle, zonename, link1, link2)) !=
 	    DLADM_STATUS_OK)
 		die_dlerr(status, "rename operation failed");
 }
@@ -3407,11 +3521,12 @@ do_show_link(int argc, char *argv[], const char *use)
 	ofmt_handle_t	ofmt;
 	ofmt_status_t	oferr;
 	uint_t		ofmtflags = 0;
+	char		*zonename = NULL;
 
 	bzero(&state, sizeof (state));
 
 	opterr = 0;
-	while ((option = getopt_long(argc, argv, ":pPsSi:o:",
+	while ((option = getopt_long(argc, argv, ":pPsSi:o:z:",
 	    show_lopts, NULL)) != -1) {
 		switch (option) {
 		case 'p':
@@ -3450,6 +3565,9 @@ do_show_link(int argc, char *argv[], const char *use)
 			if (!dladm_str2interval(optarg, &interval))
 				die("invalid interval value '%s'", optarg);
 			break;
+		case 'z':
+			zonename = optarg;
+			break;
 		default:
 			die_opterr(optopt, option, use);
 			break;
@@ -3475,8 +3593,8 @@ do_show_link(int argc, char *argv[], const char *use)
 		if (strlcpy(linkname, argv[optind], MAXLINKNAMELEN) >=
 		    MAXLINKNAMELEN)
 			die("link name too long");
-		if ((status = dladm_name2info(handle, linkname, &linkid, &f,
-		    NULL, NULL)) != DLADM_STATUS_OK) {
+		if ((status = dladm_zname2info(handle, zonename, linkname,
+		    &linkid, &f, NULL, NULL)) != DLADM_STATUS_OK) {
 			die_dlerr(status, "link %s is not valid", linkname);
 		}
 
@@ -4741,6 +4859,12 @@ do_create_vnic(int argc, char *argv[], const char *use)
 	if ((flags & DLADM_OPT_FORCE) != 0 && vid == 0)
 		die("-f option can only be used with -v");
 
+	/*
+	 * If creating a transient VNIC for a zone, mark it in the kernel.
+	 */
+	if (strstr(propstr, "zone=") != NULL && !(flags & DLADM_OPT_PERSIST))
+		flags |= DLADM_OPT_TRANSIENT;
+
 	if (mac_prefix_len != 0 && mac_addr_type != VNIC_MAC_ADDR_TYPE_RANDOM &&
 	    mac_addr_type != VNIC_MAC_ADDR_TYPE_FIXED)
 		usage();
@@ -4785,7 +4909,7 @@ do_create_vnic(int argc, char *argv[], const char *use)
 
 	status = dladm_vnic_create(handle, name, dev_linkid, mac_addr_type,
 	    mac_addr, maclen, &mac_slot, mac_prefix_len, vid, vrid, af,
-	    &linkid, proplist, flags);
+	    &linkid, proplist, &errlist, flags);
 	switch (status) {
 	case DLADM_STATUS_OK:
 		break;
@@ -4796,7 +4920,8 @@ do_create_vnic(int argc, char *argv[], const char *use)
 		break;
 
 	default:
-		die_dlerr(status, "vnic creation over %s failed", devname);
+		die_dlerrlist(status, &errlist, "vnic creation over %s failed",
+		    devname);
 	}
 
 	dladm_free_props(proplist);
@@ -4832,9 +4957,10 @@ do_delete_vnic_common(int argc, char *argv[], const char *use,
 	datalink_id_t linkid;
 	char *altroot = NULL;
 	dladm_status_t status;
+	char	*zonename = NULL;
 
 	opterr = 0;
-	while ((option = getopt_long(argc, argv, ":R:t", lopts,
+	while ((option = getopt_long(argc, argv, ":R:tz:", lopts,
 	    NULL)) != -1) {
 		switch (option) {
 		case 't':
@@ -4843,6 +4969,9 @@ do_delete_vnic_common(int argc, char *argv[], const char *use,
 		case 'R':
 			altroot = optarg;
 			break;
+		case 'z':
+			zonename = optarg;
+			break;
 		default:
 			die_opterr(optopt, option, use);
 		}
@@ -4855,8 +4984,8 @@ do_delete_vnic_common(int argc, char *argv[], const char *use,
 	if (altroot != NULL)
 		altroot_cmd(altroot, argc, argv);
 
-	status = dladm_name2info(handle, argv[optind], &linkid, NULL, NULL,
-	    NULL);
+	status = dladm_zname2info(handle, zonename, argv[optind], &linkid, NULL,
+	    NULL, NULL);
 	if (status != DLADM_STATUS_OK)
 		die("invalid link name '%s'", argv[optind]);
 
@@ -4988,6 +5117,9 @@ print_vnic(show_vnic_state_t *state, datalink_id_t linkid)
 	char			vnic_name[MAXLINKNAMELEN];
 	char			mstr[MAXMACADDRLEN * 3];
 	vnic_fields_buf_t	vbuf;
+	uint_t			valcnt = 1;
+	char			zonename[DLADM_PROP_VAL_MAX + 1];
+	char			*valptr[1];
 
 	if ((status = dladm_vnic_info(handle, linkid, vnic, state->vs_flags)) !=
 	    DLADM_STATUS_OK)
@@ -5017,6 +5149,18 @@ print_vnic(show_vnic_state_t *state, datalink_id_t linkid)
 	    NULL, devname, sizeof (devname)) != DLADM_STATUS_OK)
 		(void) sprintf(devname, "?");
 
+
+	zonename[0] = '\0';
+	if (!is_etherstub) {
+		valptr[0] = zonename;
+		(void) dladm_get_linkprop(handle, linkid,
+		    DLADM_PROP_VAL_CURRENT, "zone", (char **)valptr, &valcnt);
+	}
+
+	if (state->vs_zonename != NULL &&
+	    strcmp(state->vs_zonename, zonename) != 0)
+		return (DLADM_STATUS_OK);
+
 	state->vs_found = B_TRUE;
 	if (state->vs_stats) {
 		/* print vnic statistics */
@@ -5092,6 +5236,13 @@ print_vnic(show_vnic_state_t *state, datalink_id_t linkid)
 
 			(void) snprintf(vbuf.vnic_vid, sizeof (vbuf.vnic_vid),
 			    "%d", vnic->va_vid);
+
+			if (zonename[0] != '\0')
+				(void) snprintf(vbuf.vnic_zone,
+				    sizeof (vbuf.vnic_zone), "%s", zonename);
+			else
+				(void) strlcpy(vbuf.vnic_zone, "--",
+				    sizeof (vbuf.vnic_zone));
 		}
 
 		ofmt_print(state->vs_ofmt, &vbuf);
@@ -5130,10 +5281,11 @@ do_show_vnic_common(int argc, char *argv[], const char *use,
 	ofmt_handle_t		ofmt;
 	ofmt_status_t		oferr;
 	uint_t			ofmtflags = 0;
+	char			*zonename = NULL;
 
 	bzero(&state, sizeof (state));
 	opterr = 0;
-	while ((option = getopt_long(argc, argv, ":pPl:si:o:", lopts,
+	while ((option = getopt_long(argc, argv, ":pPl:si:o:z:", lopts,
 	    NULL)) != -1) {
 		switch (option) {
 		case 'p':
@@ -5172,6 +5324,9 @@ do_show_vnic_common(int argc, char *argv[], const char *use,
 			o_arg = B_TRUE;
 			fields_str = optarg;
 			break;
+		case 'z':
+			zonename = optarg;
+			break;
 		default:
 			die_opterr(optopt, option, use);
 		}
@@ -5182,8 +5337,8 @@ do_show_vnic_common(int argc, char *argv[], const char *use,
 
 	/* get vnic ID (optional last argument) */
 	if (optind == (argc - 1)) {
-		status = dladm_name2info(handle, argv[optind], &linkid, NULL,
-		    NULL, NULL);
+		status = dladm_zname2info(handle, zonename, argv[optind],
+		    &linkid, NULL, NULL, NULL);
 		if (status != DLADM_STATUS_OK) {
 			die_dlerr(status, "invalid vnic name '%s'",
 			    argv[optind]);
@@ -5194,8 +5349,8 @@ do_show_vnic_common(int argc, char *argv[], const char *use,
 	}
 
 	if (l_arg) {
-		status = dladm_name2info(handle, state.vs_link, &dev_linkid,
-		    NULL, NULL, NULL);
+		status = dladm_zname2info(handle, zonename, state.vs_link,
+		    &dev_linkid, NULL, NULL, NULL);
 		if (status != DLADM_STATUS_OK) {
 			die_dlerr(status, "invalid link name '%s'",
 			    state.vs_link);
@@ -5207,6 +5362,7 @@ do_show_vnic_common(int argc, char *argv[], const char *use,
 	state.vs_etherstub = etherstub;
 	state.vs_found = B_FALSE;
 	state.vs_flags = flags;
+	state.vs_zonename = zonename;
 
 	if (!o_arg || (o_arg && strcasecmp(fields_str, "all") == 0)) {
 		if (etherstub)
@@ -5295,7 +5451,7 @@ do_create_etherstub(int argc, char *argv[], const char *use)
 
 	status = dladm_vnic_create(handle, name, DATALINK_INVALID_LINKID,
 	    VNIC_MAC_ADDR_TYPE_AUTO, mac_addr, ETHERADDRL, NULL, 0, 0,
-	    VRRP_VRID_NONE, AF_UNSPEC, NULL, NULL, flags);
+	    VRRP_VRID_NONE, AF_UNSPEC, NULL, NULL, &errlist, flags);
 	if (status != DLADM_STATUS_OK)
 		die_dlerr(status, "etherstub creation failed");
 }
@@ -6695,6 +6851,7 @@ do_show_linkprop(int argc, char **argv, const char *use)
 	ofmt_handle_t		ofmt;
 	ofmt_status_t		oferr;
 	uint_t			ofmtflags = 0;
+	char			*zonename = NULL;
 
 	bzero(propstr, DLADM_STRSIZE);
 	opterr = 0;
@@ -6705,7 +6862,7 @@ do_show_linkprop(int argc, char **argv, const char *use)
 	state.ls_header = B_TRUE;
 	state.ls_retstatus = DLADM_STATUS_OK;
 
-	while ((option = getopt_long(argc, argv, ":p:cPo:",
+	while ((option = getopt_long(argc, argv, ":p:cPo:z:",
 	    prop_longopts, NULL)) != -1) {
 		switch (option) {
 		case 'p':
@@ -6724,6 +6881,9 @@ do_show_linkprop(int argc, char **argv, const char *use)
 		case 'o':
 			fields_str = optarg;
 			break;
+		case 'z':
+			zonename = optarg;
+			break;
 		default:
 			die_opterr(optopt, option, use);
 			break;
@@ -6731,8 +6891,8 @@ do_show_linkprop(int argc, char **argv, const char *use)
 	}
 
 	if (optind == (argc - 1)) {
-		if ((status = dladm_name2info(handle, argv[optind], &linkid,
-		    NULL, NULL, NULL)) != DLADM_STATUS_OK) {
+		if ((status = dladm_zname2info(handle, zonename, argv[optind],
+		    &linkid, NULL, NULL, NULL)) != DLADM_STATUS_OK) {
 			die_dlerr(status, "link %s is not valid", argv[optind]);
 		}
 	} else if (optind != argc) {
@@ -6743,6 +6903,7 @@ do_show_linkprop(int argc, char **argv, const char *use)
 	    != DLADM_STATUS_OK)
 		die("invalid link properties specified");
 	state.ls_proplist = proplist;
+	state.ls_zonename = zonename;
 	state.ls_status = DLADM_STATUS_OK;
 
 	if (state.ls_parsable)
@@ -6787,6 +6948,17 @@ show_linkprop_onelink(dladm_handle_t hdl, datalink_id_t linkid, void *arg)
 		return (DLADM_WALK_CONTINUE);
 	}
 
+	if (statep->ls_zonename != NULL) {
+		datalink_id_t	tlinkid;
+
+		if (dladm_zname2info(hdl, statep->ls_zonename, statep->ls_link,
+		    &tlinkid, NULL, NULL, NULL) != DLADM_STATUS_OK ||
+		    linkid != tlinkid) {
+			statep->ls_status = DLADM_STATUS_NOTFOUND;
+			return (DLADM_WALK_CONTINUE);
+		}
+	}
+
 	if ((statep->ls_persist && !(flags & DLADM_OPT_PERSIST)) ||
 	    (!statep->ls_persist && !(flags & DLADM_OPT_ACTIVE))) {
 		statep->ls_status = DLADM_STATUS_BADARG;
@@ -6869,11 +7041,12 @@ set_linkprop(int argc, char **argv, boolean_t reset, const char *use)
 	dladm_status_t		status = DLADM_STATUS_OK;
 	char			propstr[DLADM_STRSIZE];
 	dladm_arg_list_t	*proplist = NULL;
+	char			*zonename = NULL;
 
 	opterr = 0;
 	bzero(propstr, DLADM_STRSIZE);
 
-	while ((option = getopt_long(argc, argv, ":p:R:t",
+	while ((option = getopt_long(argc, argv, ":p:R:tz:",
 	    prop_longopts, NULL)) != -1) {
 		switch (option) {
 		case 'p':
@@ -6888,6 +7061,9 @@ set_linkprop(int argc, char **argv, boolean_t reset, const char *use)
 		case 'R':
 			altroot = optarg;
 			break;
+		case 'z':
+			zonename = optarg;
+			break;
 		default:
 			die_opterr(optopt, option, use);
 
@@ -6910,8 +7086,8 @@ set_linkprop(int argc, char **argv, boolean_t reset, const char *use)
 		altroot_cmd(altroot, argc, argv);
 	}
 
-	status = dladm_name2info(handle, argv[optind], &linkid, NULL, NULL,
-	    NULL);
+	status = dladm_zname2info(handle, zonename, argv[optind], &linkid,
+	    NULL, NULL, NULL);
 	if (status != DLADM_STATUS_OK)
 		die_dlerr(status, "link %s is not valid", argv[optind]);
 
@@ -8934,6 +9110,21 @@ warn_dlerr(dladm_status_t err, const char *format, ...)
 	(void) fprintf(stderr, ": %s\n", dladm_status2str(err, errmsg));
 }
 
+static void
+warn_dlerrlist(dladm_errlist_t *errlist)
+{
+	if (errlist != NULL && errlist->el_count > 0) {
+		int i;
+		for (i = 0; i < errlist->el_count; i++) {
+			(void) fprintf(stderr, gettext("%s: warning: "),
+			    progname);
+
+			(void) fprintf(stderr, "%s\n",
+			    gettext(errlist->el_errs[i]));
+		}
+	}
+}
+
 /*
  * Also closes the dladm handle if it is not NULL.
  */
@@ -8959,6 +9150,34 @@ die_dlerr(dladm_status_t err, const char *format, ...)
 	exit(EXIT_FAILURE);
 }
 
+/*
+ * Like die_dlerr, but uses the errlist for additional information.
+ */
+/* PRINTFLIKE3 */
+static void
+die_dlerrlist(dladm_status_t err, dladm_errlist_t *errlist,
+    const char *format, ...)
+{
+	va_list	alist;
+	char	errmsg[DLADM_STRSIZE];
+
+	warn_dlerrlist(errlist);
+	format = gettext(format);
+	(void) fprintf(stderr, "%s: ", progname);
+
+	va_start(alist, format);
+	(void) vfprintf(stderr, format, alist);
+	va_end(alist);
+	(void) fprintf(stderr, ": %s\n", dladm_status2str(err, errmsg));
+
+	/* close dladm handle if it was opened */
+	if (handle != NULL)
+		dladm_close(handle);
+
+	exit(EXIT_FAILURE);
+
+}
+
 /* PRINTFLIKE1 */
 static void
 die(const char *format, ...)
@@ -9689,3 +9908,673 @@ do_up_part(int argc, char *argv[], const char *use)
 
 	(void) dladm_part_up(handle, partid, 0);
 }
+
+static void
+do_create_overlay(int argc, char *argv[], const char *use)
+{
+	int			opt;
+	char			*encap = NULL, *endp, *search = NULL;
+	char			name[MAXLINKNAMELEN];
+	dladm_status_t		status;
+	uint32_t		flags = DLADM_OPT_ACTIVE | DLADM_OPT_PERSIST;
+	uint64_t		vid;
+	boolean_t		havevid = B_FALSE;
+	char			propstr[DLADM_STRSIZE];
+	dladm_arg_list_t	*proplist = NULL;
+
+	bzero(propstr, sizeof (propstr));
+	while ((opt = getopt_long(argc, argv, ":te:v:p:s:",
+	    overlay_create_lopts, NULL)) != -1) {
+		switch (opt) {
+		case 'e':
+			encap = optarg;
+			break;
+		case 's':
+			search = optarg;
+			break;
+		case 't':
+			flags &= ~DLADM_OPT_PERSIST;
+			break;
+		case 'p':
+			(void) strlcat(propstr, optarg, DLADM_STRSIZE);
+			if (strlcat(propstr, ",", DLADM_STRSIZE) >=
+			    DLADM_STRSIZE)
+				die("property list too long '%s'", propstr);
+			break;
+		case 'v':
+			vid = strtoul(optarg, &endp, 10);
+			if (*endp != '\0' || (vid == 0 && errno == EINVAL))
+				die("couldn't parse virtual networkd id: %s",
+				    optarg);
+			if (vid == ULONG_MAX && errno == ERANGE)
+				die("virtual networkd id too large: %s",
+				    optarg);
+			havevid = B_TRUE;
+			break;
+		default:
+			die_opterr(optopt, opt, use);
+		}
+	}
+
+	if (havevid == B_FALSE)
+		die("missing required virtual network id");
+
+	if (encap == NULL)
+		die("missing required encapsulation plugin");
+
+	if (encap == NULL)
+		die("missing required search plugin");
+
+	if (optind != (argc - 1))
+		die("missing device name");
+
+	if (strlcpy(name, argv[optind], MAXLINKNAMELEN) >= MAXLINKNAMELEN)
+		die("link name too long '%s'", argv[optind]);
+
+	if (!dladm_valid_linkname(name))
+		die("invalid link name '%s'", argv[optind]);
+
+	if (strlen(encap) + 1 > MAXLINKNAMELEN)
+		die("encapsulation plugin name too long '%s'", encap);
+
+	if (strlen(search) + 1 > MAXLINKNAMELEN)
+		die("search plugin name too long '%s'", encap);
+
+	if (dladm_parse_link_props(propstr, &proplist, B_FALSE)
+	    != DLADM_STATUS_OK)
+		die("invalid overlay property");
+
+	status = dladm_overlay_create(handle, name, encap, search, vid,
+	    proplist, &errlist, flags);
+	dladm_free_props(proplist);
+	if (status != DLADM_STATUS_OK) {
+		die_dlerrlist(status, &errlist, "overlay creation failed");
+	}
+}
+
+/* ARGSUSED */
+static void
+do_delete_overlay(int argc, char *argv[], const char *use)
+{
+	datalink_id_t	linkid = DATALINK_ALL_LINKID;
+	dladm_status_t	status;
+
+	if (argc != 2) {
+		usage();
+	}
+
+	status = dladm_name2info(handle, argv[1], &linkid, NULL, NULL, NULL);
+	if (status != DLADM_STATUS_OK)
+		die_dlerr(status, "failed to delete %s", argv[1]);
+
+	status = dladm_overlay_delete(handle, linkid);
+	if (status != DLADM_STATUS_OK)
+		die_dlerr(status, "failed to delete %s", argv[1]);
+}
+
+typedef struct showoverlay_state {
+	ofmt_handle_t		sho_ofmt;
+	const char 		*sho_linkname;
+	dladm_overlay_propinfo_handle_t sho_info;
+	uint8_t			sho_value[DLADM_OVERLAY_PROP_SIZEMAX];
+	uint32_t		sho_size;
+} showoverlay_state_t;
+
+typedef struct showoverlay_fma_state {
+	ofmt_handle_t		shof_ofmt;
+	const char		*shof_linkname;
+	dladm_overlay_status_t	*shof_status;
+} showoverlay_fma_state_t;
+
+typedef struct showoverlay_targ_state {
+	ofmt_handle_t			shot_ofmt;
+	const char			*shot_linkname;
+	const struct ether_addr		*shot_key;
+	const dladm_overlay_point_t	*shot_point;
+} showoverlay_targ_state_t;
+
+static void
+print_overlay_value(char *outbuf, uint_t bufsize, uint_t type, const void *pbuf,
+    const size_t psize)
+{
+	const struct in6_addr *ipv6;
+	struct in_addr ip;
+
+	switch (type) {
+	case OVERLAY_PROP_T_INT:
+		if (psize != 1 && psize != 2 && psize != 4 && psize != 8) {
+			(void) snprintf(outbuf, bufsize, "?");
+			break;
+		}
+		if (psize == 1)
+			(void) snprintf(outbuf, bufsize, "%d", *(int8_t *)pbuf);
+		if (psize == 2)
+			(void) snprintf(outbuf, bufsize, "%d",
+			    *(int16_t *)pbuf);
+		if (psize == 4)
+			(void) snprintf(outbuf, bufsize, "%d",
+			    *(int32_t *)pbuf);
+		if (psize == 8)
+			(void) snprintf(outbuf, bufsize, "%d",
+			    *(int64_t *)pbuf);
+		break;
+	case OVERLAY_PROP_T_UINT:
+		if (psize != 1 && psize != 2 && psize != 4 && psize != 8) {
+			(void) snprintf(outbuf, bufsize, "?");
+			break;
+		}
+		if (psize == 1)
+			(void) snprintf(outbuf, bufsize, "%d",
+			    *(uint8_t *)pbuf);
+		if (psize == 2)
+			(void) snprintf(outbuf, bufsize, "%d",
+			    *(uint16_t *)pbuf);
+		if (psize == 4)
+			(void) snprintf(outbuf, bufsize, "%d",
+			    *(uint32_t *)pbuf);
+		if (psize == 8)
+			(void) snprintf(outbuf, bufsize, "%d",
+			    *(uint64_t *)pbuf);
+		break;
+	case OVERLAY_PROP_T_IP:
+		if (psize != sizeof (struct in6_addr)) {
+			warn("malformed overlay IP property: %d bytes\n",
+			    psize);
+			(void) snprintf(outbuf, bufsize, "--");
+			break;
+		}
+
+		ipv6 = pbuf;
+		if (IN6_IS_ADDR_V4MAPPED(ipv6)) {
+			IN6_V4MAPPED_TO_INADDR(ipv6, &ip);
+			if (inet_ntop(AF_INET, &ip, outbuf, bufsize) == NULL) {
+				warn("malformed overlay IP property\n");
+				(void) snprintf(outbuf, bufsize, "--");
+				break;
+			}
+		} else {
+			if (inet_ntop(AF_INET6, ipv6, outbuf, bufsize) ==
+			    NULL) {
+				warn("malformed overlay IP property\n");
+				(void) snprintf(outbuf, bufsize, "--");
+				break;
+			}
+		}
+
+		break;
+	case OVERLAY_PROP_T_STRING:
+		(void) snprintf(outbuf, bufsize, "%s", pbuf);
+		break;
+	default:
+		abort();
+	}
+
+	return;
+
+}
+
+static boolean_t
+print_overlay_cb(ofmt_arg_t *ofarg, char *buf, uint_t bufsize)
+{
+	dladm_status_t 			status;
+	showoverlay_state_t		*sp = ofarg->ofmt_cbarg;
+	dladm_overlay_propinfo_handle_t	infop = sp->sho_info;
+	const char 			*pname;
+	uint_t				type, prot;
+	const void			*def;
+	uint32_t			defsize;
+	const mac_propval_range_t	*rangep;
+
+	if ((status = dladm_overlay_prop_info(infop, &pname, &type, &prot, &def,
+	    &defsize, &rangep)) != DLADM_STATUS_OK) {
+		warn_dlerr(status, "failed to get get property info");
+		return (B_TRUE);
+	}
+
+	switch (ofarg->ofmt_id) {
+	case OVERLAY_LINK:
+		(void) snprintf(buf, bufsize, "%s", sp->sho_linkname);
+		break;
+	case OVERLAY_PROPERTY:
+		(void) snprintf(buf, bufsize, "%s", pname);
+		break;
+	case OVERLAY_PERM:
+		if ((prot & OVERLAY_PROP_PERM_RW) == OVERLAY_PROP_PERM_RW) {
+			(void) snprintf(buf, bufsize, "%s", "rw");
+		} else if ((prot & OVERLAY_PROP_PERM_RW) ==
+		    OVERLAY_PROP_PERM_READ) {
+			(void) snprintf(buf, bufsize, "%s", "r-");
+		} else {
+			(void) snprintf(buf, bufsize, "%s", "--");
+		}
+		break;
+	case OVERLAY_REQ:
+		(void) snprintf(buf, bufsize, "%s",
+		    prot & OVERLAY_PROP_PERM_REQ ? "y" : "-");
+		break;
+	case OVERLAY_VALUE:
+		if (sp->sho_size == 0) {
+			(void) snprintf(buf, bufsize, "%s", "--");
+		} else {
+			print_overlay_value(buf, bufsize, type, sp->sho_value,
+			    sp->sho_size);
+		}
+		break;
+	case OVERLAY_DEFAULT:
+		if (defsize == 0) {
+			(void) snprintf(buf, bufsize, "%s", "--");
+		} else {
+			print_overlay_value(buf, bufsize, type, def, defsize);
+		}
+		break;
+	case OVERLAY_POSSIBLE: {
+		int i;
+		char **vals, *ptr, *lim;
+		if (rangep->mpr_count == 0) {
+			(void) snprintf(buf, bufsize, "%s", "--");
+			break;
+		}
+
+		vals = malloc((sizeof (char *) + DLADM_PROP_VAL_MAX) *
+		    rangep->mpr_count);
+		if (vals == NULL)
+			die("insufficient memory");
+		for (i = 0; i < rangep->mpr_count; i++) {
+			vals[i] = (char *)vals + sizeof (char *) *
+			    rangep->mpr_count + i * DLADM_MAX_PROP_VALCNT;
+		}
+
+		if (dladm_range2strs(rangep, vals) != 0) {
+			free(vals);
+			(void) snprintf(buf, bufsize, "%s", "?");
+			break;
+		}
+
+		ptr = buf;
+		lim = buf + bufsize;
+		for (i = 0; i < rangep->mpr_count; i++) {
+			ptr += snprintf(ptr, lim - ptr, "%s,", vals[i]);
+			if (ptr >= lim)
+				break;
+		}
+		if (rangep->mpr_count > 0)
+			buf[strlen(buf) - 1] = '\0';
+		free(vals);
+		break;
+	}
+	default:
+		abort();
+	}
+	return (B_TRUE);
+}
+
+static int
+dladm_overlay_show_one(dladm_handle_t handle, datalink_id_t linkid,
+    dladm_overlay_propinfo_handle_t phdl, void *arg)
+{
+	showoverlay_state_t *sp = arg;
+	sp->sho_info = phdl;
+
+	sp->sho_size = sizeof (sp->sho_value);
+	if (dladm_overlay_get_prop(handle, linkid, phdl, &sp->sho_value,
+	    &sp->sho_size) != DLADM_STATUS_OK)
+		return (DLADM_WALK_CONTINUE);
+
+	ofmt_print(sp->sho_ofmt, sp);
+	return (DLADM_WALK_CONTINUE);
+}
+
+static int
+show_one_overlay(dladm_handle_t hdl, datalink_id_t linkid, void *arg)
+{
+	char			buf[MAXLINKNAMELEN];
+	showoverlay_state_t	state;
+	datalink_class_t	class;
+
+	if (dladm_datalink_id2info(hdl, linkid, NULL, &class, NULL, buf,
+	    MAXLINKNAMELEN) != DLADM_STATUS_OK ||
+	    class != DATALINK_CLASS_OVERLAY)
+		return (DLADM_WALK_CONTINUE);
+
+	state.sho_linkname = buf;
+	state.sho_ofmt = arg;
+
+	dladm_errlist_reset(&errlist);
+	(void) dladm_overlay_walk_prop(handle, linkid, dladm_overlay_show_one,
+	    &state, &errlist);
+	warn_dlerrlist(&errlist);
+
+	return (DLADM_WALK_CONTINUE);
+}
+
+static boolean_t
+print_overlay_targ_cb(ofmt_arg_t *ofarg, char *buf, uint_t bufsize)
+{
+	char				keybuf[ETHERADDRSTRL];
+	const showoverlay_targ_state_t	*shot = ofarg->ofmt_cbarg;
+	const dladm_overlay_point_t	*point = shot->shot_point;
+	char				macbuf[ETHERADDRSTRL];
+	char				ipbuf[INET6_ADDRSTRLEN];
+	custr_t				*cus;
+
+	switch (ofarg->ofmt_id) {
+	case OVERLAY_TARG_LINK:
+		(void) snprintf(buf, bufsize, shot->shot_linkname);
+		break;
+	case OVERLAY_TARG_TARGET:
+		if ((point->dop_flags & DLADM_OVERLAY_F_DEFAULT) != 0) {
+			(void) snprintf(buf, bufsize, "*:*:*:*:*:*");
+		} else {
+			if (ether_ntoa_r(shot->shot_key, keybuf) == NULL) {
+				warn("encountered malformed mac address key\n");
+				return (B_FALSE);
+			}
+			(void) snprintf(buf, bufsize, "%s", keybuf);
+		}
+		break;
+	case OVERLAY_TARG_DEST:
+		if (custr_alloc_buf(&cus, buf, bufsize) != 0) {
+			die("ran out of memory for printing the overlay "
+			    "target destination");
+		}
+
+		if (point->dop_dest & OVERLAY_PLUGIN_D_ETHERNET) {
+			if (ether_ntoa_r(&point->dop_mac, macbuf) == NULL) {
+				warn("encountered malformed mac address target "
+				    "for key %s\n", keybuf);
+				return (B_FALSE);
+			}
+			(void) custr_append(cus, macbuf);
+		}
+
+		if (point->dop_dest & OVERLAY_PLUGIN_D_IP) {
+			if (IN6_IS_ADDR_V4MAPPED(&point->dop_ip)) {
+				struct in_addr v4;
+				IN6_V4MAPPED_TO_INADDR(&point->dop_ip, &v4);
+				if (inet_ntop(AF_INET, &v4, ipbuf,
+				    sizeof (ipbuf)) == NULL)
+					abort();
+			} else if (inet_ntop(AF_INET6, &point->dop_ip, ipbuf,
+			    sizeof (ipbuf)) == NULL) {
+				/*
+				 * The only failrues we should get are
+				 * EAFNOSUPPORT and ENOSPC because of buffer
+				 * exhaustion. In either of these cases, that
+				 * means something has gone horribly wrong.
+				 */
+				abort();
+			}
+			if (point->dop_dest & OVERLAY_PLUGIN_D_ETHERNET)
+				(void) custr_appendc(cus, ',');
+			(void) custr_append(cus, ipbuf);
+		}
+
+		if (point->dop_dest & OVERLAY_PLUGIN_D_PORT) {
+			if (point->dop_dest & OVERLAY_PLUGIN_D_IP)
+				(void) custr_appendc(cus, ':');
+			else if (point->dop_dest & OVERLAY_PLUGIN_D_ETHERNET)
+				(void) custr_appendc(cus, ',');
+			(void) custr_append_printf(cus, "%u", point->dop_port);
+		}
+
+		custr_free(cus);
+
+		break;
+	}
+	return (B_TRUE);
+}
+
+/* ARGSUSED */
+static int
+show_one_overlay_table_entry(dladm_handle_t handle, datalink_id_t linkid,
+    const struct ether_addr *key, const dladm_overlay_point_t *point, void *arg)
+{
+	showoverlay_targ_state_t	*shot = arg;
+
+	shot->shot_key = key;
+	shot->shot_point = point;
+	ofmt_print(shot->shot_ofmt, shot);
+
+	return (DLADM_WALK_CONTINUE);
+}
+
+/* ARGSUSED */
+static int
+show_one_overlay_table(dladm_handle_t handle, datalink_id_t linkid, void *arg)
+{
+	char				linkbuf[MAXLINKNAMELEN];
+	showoverlay_targ_state_t	shot;
+	datalink_class_t		class;
+
+	if (dladm_datalink_id2info(handle, linkid, NULL, &class, NULL, linkbuf,
+	    MAXLINKNAMELEN) != DLADM_STATUS_OK ||
+	    class != DATALINK_CLASS_OVERLAY)
+		return (DLADM_WALK_CONTINUE);
+
+	shot.shot_ofmt = arg;
+	shot.shot_linkname = linkbuf;
+
+	(void) dladm_overlay_walk_cache(handle, linkid,
+	    show_one_overlay_table_entry, &shot);
+
+	return (DLADM_WALK_CONTINUE);
+}
+
+static boolean_t
+print_overlay_fma_cb(ofmt_arg_t *ofarg, char *buf, uint_t bufsize)
+{
+	showoverlay_fma_state_t	*shof = ofarg->ofmt_cbarg;
+	dladm_overlay_status_t	*st = shof->shof_status;
+
+	switch (ofarg->ofmt_id) {
+	case OVERLAY_FMA_LINK:
+		(void) snprintf(buf, bufsize, "%s", shof->shof_linkname);
+		break;
+	case OVERLAY_FMA_STATUS:
+		(void) snprintf(buf, bufsize, st->dos_degraded == B_TRUE ?
+		    "DEGRADED": "ONLINE");
+		break;
+	case OVERLAY_FMA_DETAILS:
+		(void) snprintf(buf, bufsize, "%s", st->dos_degraded == B_TRUE ?
+		    st->dos_fmamsg : "-");
+		break;
+	default:
+		abort();
+	}
+	return (B_TRUE);
+}
+
+/* ARGSUSED */
+static void
+show_one_overlay_fma_cb(dladm_handle_t handle, datalink_id_t linkid,
+    dladm_overlay_status_t *stat, void *arg)
+{
+	showoverlay_fma_state_t	*shof = arg;
+	shof->shof_status = stat;
+	ofmt_print(shof->shof_ofmt, shof);
+}
+
+
+static int
+show_one_overlay_fma(dladm_handle_t handle, datalink_id_t linkid, void *arg)
+{
+	dladm_status_t		status;
+	char			linkbuf[MAXLINKNAMELEN];
+	datalink_class_t	class;
+	showoverlay_fma_state_t	shof;
+
+	if (dladm_datalink_id2info(handle, linkid, NULL, &class, NULL, linkbuf,
+	    MAXLINKNAMELEN) != DLADM_STATUS_OK ||
+	    class != DATALINK_CLASS_OVERLAY) {
+		die("datalink %s is not an overlay device\n", linkbuf);
+	}
+
+	shof.shof_ofmt = arg;
+	shof.shof_linkname = linkbuf;
+
+	status = dladm_overlay_status(handle, linkid,
+	    show_one_overlay_fma_cb, &shof);
+	if (status != DLADM_STATUS_OK)
+		die_dlerr(status, "failed to obtain device status for %s",
+		    linkbuf);
+
+	return (DLADM_WALK_CONTINUE);
+}
+
+static void
+do_show_overlay(int argc, char *argv[], const char *use)
+{
+	int			i, opt;
+	datalink_id_t		linkid = DATALINK_ALL_LINKID;
+	dladm_status_t		status;
+	int 			(*funcp)(dladm_handle_t, datalink_id_t, void *);
+	char			*fields_str = NULL;
+	const ofmt_field_t	*fieldsp;
+	ofmt_status_t		oferr;
+	boolean_t		parse;
+	ofmt_handle_t		ofmt;
+	uint_t			ofmtflags;
+	int			err;
+
+
+	funcp = show_one_overlay;
+	fieldsp = overlay_fields;
+	parse = B_FALSE;
+	ofmtflags = OFMT_WRAP;
+	while ((opt = getopt_long(argc, argv, ":o:pft", overlay_show_lopts,
+	    NULL)) != -1) {
+		switch (opt) {
+		case 'f':
+			funcp = show_one_overlay_fma;
+			fieldsp = overlay_fma_fields;
+			break;
+		case 'o':
+			fields_str = optarg;
+			break;
+		case 'p':
+			parse = B_TRUE;
+			ofmtflags = OFMT_PARSABLE;
+			break;
+		case 't':
+			funcp = show_one_overlay_table;
+			fieldsp = overlay_targ_fields;
+			break;
+		default:
+			die_opterr(optopt, opt, use);
+		}
+	}
+
+	if (fields_str != NULL && strcasecmp(fields_str, "all") == 0)
+		fields_str = NULL;
+
+	oferr = ofmt_open(fields_str, fieldsp, ofmtflags, 0, &ofmt);
+	dladm_ofmt_check(oferr, parse, ofmt);
+
+	err = 0;
+	if (argc > optind) {
+		for (i = optind; i < argc; i++) {
+			status = dladm_name2info(handle, argv[i], &linkid,
+			    NULL, NULL, NULL);
+			if (status != DLADM_STATUS_OK) {
+				warn_dlerr(status, "failed to find %s",
+				    argv[i]);
+				err = 1;
+				continue;
+			}
+			funcp(handle, linkid, ofmt);
+		}
+	} else {
+		(void) dladm_walk_datalink_id(funcp, handle, ofmt,
+		    DATALINK_CLASS_OVERLAY, DATALINK_ANY_MEDIATYPE,
+		    DLADM_OPT_ACTIVE);
+	}
+	ofmt_close(ofmt);
+
+	exit(err);
+}
+
+static void
+do_modify_overlay(int argc, char *argv[], const char *use)
+{
+	int			opt, ocnt = 0;
+	boolean_t		flush, set, delete;
+	struct ether_addr	e;
+	char			*dest;
+	datalink_id_t		linkid = DATALINK_ALL_LINKID;
+	dladm_status_t		status;
+
+	flush = set = delete = B_FALSE;
+	while ((opt = getopt_long(argc, argv, ":fd:s:", overlay_modify_lopts,
+	    NULL)) != -1) {
+		switch (opt) {
+		case 'd':
+			if (delete == B_TRUE)
+				die_optdup('d');
+			delete = B_TRUE;
+			ocnt++;
+			if (ether_aton_r(optarg, &e) == NULL)
+				die("invalid mac address: %s\n", optarg);
+			break;
+		case 'f':
+			if (flush == B_TRUE)
+				die_optdup('f');
+			flush = B_TRUE;
+			ocnt++;
+			break;
+		case 's':
+			if (set == B_TRUE)
+				die_optdup('s');
+			set = B_TRUE;
+			ocnt++;
+			dest = strchr(optarg, '=');
+			*dest = '\0';
+			dest++;
+			if (dest == NULL)
+				die("malformed value, expected mac=dest, "
+				    "got: %s\n", optarg);
+			if (ether_aton_r(optarg, &e) == NULL)
+				die("invalid mac address: %s\n", optarg);
+			break;
+		default:
+			die_opterr(optopt, opt, use);
+		}
+	}
+
+	if (ocnt == 0)
+		die("need to specify one of -d, -f, or -s");
+	if (ocnt > 1)
+		die("only one of -d, -f, or -s may be used");
+
+	if (argv[optind] == NULL)
+		die("missing required overlay device\n");
+	if (argc > optind + 1)
+		die("only one overlay device may be specified\n");
+
+	status = dladm_name2info(handle, argv[optind], &linkid, NULL, NULL,
+	    NULL);
+	if (status != DLADM_STATUS_OK) {
+		die_dlerr(status, "failed to find overlay %s", argv[optind]);
+	}
+
+	if (flush == B_TRUE) {
+		status = dladm_overlay_cache_flush(handle, linkid);
+		if (status != DLADM_STATUS_OK)
+			die_dlerr(status, "failed to flush target cache for "
+			    "overlay %s", argv[optind]);
+	}
+
+	if (delete == B_TRUE) {
+		status = dladm_overlay_cache_delete(handle, linkid, &e);
+		if (status != DLADM_STATUS_OK)
+			die_dlerr(status, "failed to flush target %s from "
+			    "overlay target cache %s", optarg, argv[optind]);
+	}
+
+	if (set == B_TRUE) {
+		status = dladm_overlay_cache_set(handle, linkid, &e, dest);
+		if (status != DLADM_STATUS_OK)
+			die_dlerr(status, "failed to set target %s for overlay "
+			    "target cache %s", optarg, argv[optind]);
+	}
+
+}
diff --git a/usr/src/cmd/dlmgmtd/dlmgmt_db.c b/usr/src/cmd/dlmgmtd/dlmgmt_db.c
index 99307dbc03..8eecc807e5 100644
--- a/usr/src/cmd/dlmgmtd/dlmgmt_db.c
+++ b/usr/src/cmd/dlmgmtd/dlmgmt_db.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent Inc.
  */
 
 #include <assert.h>
@@ -43,6 +44,8 @@
 #include <libcontract.h>
 #include <libcontract_priv.h>
 #include <sys/contract/process.h>
+#include <sys/vnic.h>
+#include <zone.h>
 #include "dlmgmt_impl.h"
 
 typedef enum dlmgmt_db_op {
@@ -552,6 +555,10 @@ dlmgmt_db_update(dlmgmt_db_op_t op, const char *entryname, dlmgmt_link_t *linkp,
 	    linkp->ll_zoneid, flags, &err)) == NULL)
 		return (err);
 
+	/* If transient op and onloan, use the global zone cache file. */
+	if (flags == DLMGMT_ACTIVE && linkp->ll_onloan)
+		req->ls_zoneid = GLOBAL_ZONEID;
+
 	/*
 	 * If the return error is EINPROGRESS, this request is handled
 	 * asynchronously; return success.
@@ -714,11 +721,13 @@ parse_linkprops(char *buf, dlmgmt_link_t *linkp)
 	char			attr_name[MAXLINKATTRLEN];
 	size_t			attr_buf_len = 0;
 	void			*attr_buf = NULL;
+	boolean_t		rename;
 
 	curr = buf;
 	len = strlen(buf);
 	attr_name[0] = '\0';
 	for (i = 0; i < len; i++) {
+		rename = B_FALSE;
 		char		c = buf[i];
 		boolean_t	match = (c == '=' ||
 		    (c == ',' && !found_type) || c == ';');
@@ -768,6 +777,21 @@ parse_linkprops(char *buf, dlmgmt_link_t *linkp)
 					goto parse_fail;
 				linkp->ll_media =
 				    (uint32_t)*(int64_t *)attr_buf;
+			} else if (strcmp(attr_name, "zone") == 0) {
+				if (read_str(curr, &attr_buf) == 0)
+					goto parse_fail;
+				linkp->ll_zoneid = getzoneidbyname(attr_buf);
+				if (linkp->ll_zoneid == -1) {
+					if (errno == EFAULT)
+						abort();
+					/*
+					 * If we can't find the zone, assign the
+					 * link to the GZ and mark it for being
+					 * renamed.
+					 */
+					linkp->ll_zoneid = 0;
+					rename = B_TRUE;
+				}
 			} else {
 				attr_buf_len = translators[type].read_func(curr,
 				    &attr_buf);
@@ -811,6 +835,16 @@ parse_linkprops(char *buf, dlmgmt_link_t *linkp)
 
 			(void) snprintf(attr_name, MAXLINKATTRLEN, "%s", curr);
 		}
+
+		/*
+		 * The zone that this link belongs to has died, we are
+		 * reparenting it to the GZ and renaming it to avoid name
+		 * collisions.
+		 */
+		if (rename == B_TRUE) {
+			(void) snprintf(linkp->ll_link, MAXLINKNAMELEN,
+			    "SUNWorphan%u", (uint16_t)(gethrtime() / 1000));
+		}
 		curr = buf + i + 1;
 	}
 
@@ -1222,12 +1256,19 @@ generate_link_line(dlmgmt_link_t *linkp, boolean_t persist, char *buf)
 
 	ptr += snprintf(ptr, BUFLEN(lim, ptr), "%s\t", linkp->ll_link);
 	if (!persist) {
+		char zname[ZONENAME_MAX];
 		/*
-		 * We store the linkid in the active database so that dlmgmtd
-		 * can recover in the event that it is restarted.
+		 * We store the linkid and the zone name in the active database
+		 * so that dlmgmtd can recover in the event that it is
+		 * restarted.
 		 */
 		u64 = linkp->ll_linkid;
 		ptr += write_uint64(ptr, BUFLEN(lim, ptr), "linkid", &u64);
+
+		if (getzonenamebyid(linkp->ll_zoneid, zname,
+		    sizeof (zname)) != -1) {
+			ptr += write_str(ptr, BUFLEN(lim, ptr), "zone", zname);
+		}
 	}
 	u64 = linkp->ll_class;
 	ptr += write_uint64(ptr, BUFLEN(lim, ptr), "class", &u64);
@@ -1382,38 +1423,88 @@ dlmgmt_db_walk(zoneid_t zoneid, datalink_class_t class, db_walk_func_t *func)
 }
 
 /*
+ * Attempt to mitigate one of the deadlocks in the dlmgmtd architecture.
+ *
+ * dlmgmt_db_init() calls dlmgmt_process_db_req() which eventually gets to
+ * dlmgmt_zfop() which tries to fork, enter the zone and read the file.
+ * Because of the upcall architecture of dlmgmtd this can lead to deadlock
+ * with the following scenario:
+ *    a) the thread preparing to fork will have acquired the malloc locks
+ *       then attempt to suspend every thread in preparation to fork.
+ *    b) all of the upcalls will be blocked in door_ucred() trying to malloc()
+ *       and get the credentials of their caller.
+ *    c) we can't suspend the in-kernel thread making the upcall.
+ *
+ * Thus, we cannot serve door requests because we're blocked in malloc()
+ * which fork() owns, but fork() is in turn blocked on the in-kernel thread
+ * making the door upcall.  This is a fundamental architectural problem with
+ * any server handling upcalls and also trying to fork().
+ *
+ * To minimize the chance of this deadlock occuring, we check ahead of time to
+ * see if the file we want to read actually exists in the zone (which it almost
+ * never does), so we don't need fork in that case (i.e. rarely to never).
+ */
+static boolean_t
+zone_file_exists(char *zoneroot, char *filename)
+{
+	struct stat	sb;
+	char		fname[MAXPATHLEN];
+
+	(void) snprintf(fname, sizeof (fname), "%s/%s", zoneroot, filename);
+
+	if (stat(fname, &sb) == -1)
+		return (B_FALSE);
+
+	return (B_TRUE);
+}
+
+/*
  * Initialize the datalink <link name, linkid> mapping and the link's
  * attributes list based on the configuration file /etc/dladm/datalink.conf
  * and the active configuration cache file
  * /etc/svc/volatile/dladm/datalink-management:default.cache.
  */
 int
-dlmgmt_db_init(zoneid_t zoneid)
+dlmgmt_db_init(zoneid_t zoneid, char *zoneroot)
 {
 	dlmgmt_db_req_t	*req;
 	int		err;
 	boolean_t	boot = B_FALSE;
+	char 		tdir[MAXPATHLEN];
+	char		*path = cachefile;
 
 	if ((req = dlmgmt_db_req_alloc(DLMGMT_DB_OP_READ, NULL,
 	    DATALINK_INVALID_LINKID, zoneid, DLMGMT_ACTIVE, &err)) == NULL)
 		return (err);
 
-	if ((err = dlmgmt_process_db_req(req)) != 0) {
-		/*
-		 * If we get back ENOENT, that means that the active
-		 * configuration file doesn't exist yet, and is not an error.
-		 * We'll create it down below after we've loaded the
-		 * persistent configuration.
-		 */
-		if (err != ENOENT)
-			goto done;
+	/* Handle running in a non-native branded zone (i.e. has /native) */
+	if (zone_file_exists(zoneroot, "/native" DLMGMT_TMPFS_DIR)) {
+		(void) snprintf(tdir, sizeof (tdir), "/native%s", cachefile);
+		path = tdir;
+	}
+
+	if (zone_file_exists(zoneroot, path)) {
+		if ((err = dlmgmt_process_db_req(req)) != 0) {
+			/*
+			 * If we get back ENOENT, that means that the active
+			 * configuration file doesn't exist yet, and is not an
+			 * error.  We'll create it down below after we've
+			 * loaded the persistent configuration.
+			 */
+			if (err != ENOENT)
+				goto done;
+			boot = B_TRUE;
+		}
+	} else {
 		boot = B_TRUE;
 	}
 
-	req->ls_flags = DLMGMT_PERSIST;
-	err = dlmgmt_process_db_req(req);
-	if (err != 0 && err != ENOENT)
-		goto done;
+	if (zone_file_exists(zoneroot, DLMGMT_PERSISTENT_DB_PATH)) {
+		req->ls_flags = DLMGMT_PERSIST;
+		err = dlmgmt_process_db_req(req);
+		if (err != 0 && err != ENOENT)
+			goto done;
+	}
 	err = 0;
 	if (rewrite_needed) {
 		/*
@@ -1442,6 +1533,11 @@ done:
 
 /*
  * Remove all links in the given zoneid.
+ *
+ * We do this work in two different passes. In the first pass, we remove any
+ * entry that hasn't been loaned and mark every entry that has been loaned as
+ * something that is going to be tombstomed. In the second pass, we drop the
+ * table lock for every entry and remove the tombstombed entry for our zone.
  */
 void
 dlmgmt_db_fini(zoneid_t zoneid)
@@ -1451,9 +1547,66 @@ dlmgmt_db_fini(zoneid_t zoneid)
 	while (linkp != NULL) {
 		next_linkp = AVL_NEXT(&dlmgmt_name_avl, linkp);
 		if (linkp->ll_zoneid == zoneid) {
-			(void) dlmgmt_destroy_common(linkp,
-			    DLMGMT_ACTIVE | DLMGMT_PERSIST);
+			boolean_t onloan = linkp->ll_onloan;
+
+			/*
+			 * Cleanup any VNICs that were loaned to the zone
+			 * before the zone goes away and we can no longer
+			 * refer to the VNIC by the name/zoneid.
+			 */
+			if (onloan) {
+				(void) dlmgmt_delete_db_entry(linkp,
+				    DLMGMT_ACTIVE);
+				linkp->ll_tomb = B_TRUE;
+			} else {
+				(void) dlmgmt_destroy_common(linkp,
+				    DLMGMT_ACTIVE | DLMGMT_PERSIST);
+			}
+
 		}
 		linkp = next_linkp;
 	}
+
+again:
+	linkp = avl_first(&dlmgmt_name_avl);
+	while (linkp != NULL) {
+		vnic_ioc_delete_t ioc;
+
+		next_linkp = AVL_NEXT(&dlmgmt_name_avl, linkp);
+
+		if (linkp->ll_zoneid != zoneid) {
+			linkp = next_linkp;
+			continue;
+		}
+		ioc.vd_vnic_id = linkp->ll_linkid;
+		if (linkp->ll_tomb != B_TRUE)
+			abort();
+
+		/*
+		 * We have to drop the table lock while going up into the
+		 * kernel. If we hold the table lock while deleting a vnic, we
+		 * may get blocked on the mac perimeter and the holder of it may
+		 * want something from dlmgmtd.
+		 */
+		dlmgmt_table_unlock();
+
+		if (ioctl(dladm_dld_fd(dld_handle),
+		    VNIC_IOC_DELETE, &ioc) < 0)
+			dlmgmt_log(LOG_WARNING, "dlmgmt_db_fini "
+			    "delete VNIC ioctl failed %d %d",
+			    ioc.vd_vnic_id, errno);
+
+		/*
+		 * Even though we've dropped the lock, we know that nothing else
+		 * could have removed us. Therefore, it should be safe to go
+		 * through and delete ourselves, but do nothing else. We'll have
+		 * to restart iteration from the beginning. This can be painful.
+		 */
+		dlmgmt_table_lock(B_TRUE);
+
+		(void) dlmgmt_destroy_common(linkp,
+		    DLMGMT_ACTIVE | DLMGMT_PERSIST);
+		goto again;
+	}
+
 }
diff --git a/usr/src/cmd/dlmgmtd/dlmgmt_door.c b/usr/src/cmd/dlmgmtd/dlmgmt_door.c
index 11e4329669..137c2a6fb3 100644
--- a/usr/src/cmd/dlmgmtd/dlmgmt_door.c
+++ b/usr/src/cmd/dlmgmtd/dlmgmt_door.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent Inc. All rights reserved.
  */
 
 /*
@@ -58,6 +59,10 @@
 #include <libsysevent.h>
 #include <libdlmgmt.h>
 #include <librcm.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
 #include "dlmgmt_impl.h"
 
 typedef void dlmgmt_door_handler_t(void *, void *, size_t *, zoneid_t,
@@ -379,6 +384,11 @@ dlmgmt_upcall_destroy(void *argp, void *retp, size_t *sz, zoneid_t zoneid,
 	if ((err = dlmgmt_checkprivs(linkp->ll_class, cred)) != 0)
 		goto done;
 
+	if (linkp->ll_tomb == B_TRUE) {
+		err = EINPROGRESS;
+		goto done;
+	}
+
 	if (((linkp->ll_flags & flags) & DLMGMT_ACTIVE) != 0) {
 		if ((err = dlmgmt_delete_db_entry(linkp, DLMGMT_ACTIVE)) != 0)
 			goto done;
@@ -439,6 +449,10 @@ dlmgmt_getlinkid(void *argp, void *retp, size_t *sz, zoneid_t zoneid,
 	dlmgmt_link_t		*linkp;
 	int			err = 0;
 
+	/* Enable the global zone to lookup links it has given away. */
+	if (zoneid == GLOBAL_ZONEID && getlinkid->ld_zoneid != -1)
+		zoneid = getlinkid->ld_zoneid;
+
 	/*
 	 * Hold the reader lock to access the link
 	 */
@@ -648,6 +662,12 @@ dlmgmt_remapid(void *argp, void *retp, size_t *sz, zoneid_t zoneid,
 	if ((err = dlmgmt_checkprivs(linkp->ll_class, cred)) != 0)
 		goto done;
 
+	if (linkp->ll_tomb == B_TRUE) {
+		err = EBUSY;
+		goto done;
+	}
+
+
 	if (link_by_name(remapid->ld_link, linkp->ll_zoneid) != NULL) {
 		err = EEXIST;
 		goto done;
@@ -709,6 +729,11 @@ dlmgmt_upid(void *argp, void *retp, size_t *sz, zoneid_t zoneid,
 	if ((err = dlmgmt_checkprivs(linkp->ll_class, cred)) != 0)
 		goto done;
 
+	if (linkp->ll_tomb == B_TRUE) {
+		err = EBUSY;
+		goto done;
+	}
+
 	if (linkp->ll_flags & DLMGMT_ACTIVE) {
 		err = EINVAL;
 		goto done;
@@ -1216,6 +1241,11 @@ dlmgmt_setzoneid(void *argp, void *retp, size_t *sz, zoneid_t zoneid,
 	if ((err = dlmgmt_checkprivs(linkp->ll_class, cred)) != 0)
 		goto done;
 
+	if (linkp->ll_tomb == B_TRUE) {
+		err = EBUSY;
+		goto done;
+	}
+
 	/* We can only assign an active link to a zone. */
 	if (!(linkp->ll_flags & DLMGMT_ACTIVE)) {
 		err = EINVAL;
@@ -1245,7 +1275,19 @@ dlmgmt_setzoneid(void *argp, void *retp, size_t *sz, zoneid_t zoneid,
 			    "zone %d: %s", linkid, oldzoneid, strerror(err));
 			goto done;
 		}
-		avl_remove(&dlmgmt_loan_avl, linkp);
+
+		if (newzoneid == GLOBAL_ZONEID && linkp->ll_onloan) {
+			/*
+			 * We can only reassign a loaned VNIC back to the
+			 * global zone when the zone is shutting down, since
+			 * otherwise the VNIC is in use by the zone and will be
+			 * busy.  Leave the VNIC assigned to the zone so we can
+			 * still see it and delete it when dlmgmt_zonehalt()
+			 * runs.
+			 */
+			goto done;
+		}
+
 		linkp->ll_onloan = B_FALSE;
 	}
 	if (newzoneid != GLOBAL_ZONEID) {
@@ -1256,7 +1298,6 @@ dlmgmt_setzoneid(void *argp, void *retp, size_t *sz, zoneid_t zoneid,
 			(void) zone_add_datalink(oldzoneid, linkid);
 			goto done;
 		}
-		avl_add(&dlmgmt_loan_avl, linkp);
 		linkp->ll_onloan = B_TRUE;
 	}
 
@@ -1309,6 +1350,10 @@ dlmgmt_zonehalt(void *argp, void *retp, size_t *sz, zoneid_t zoneid,
 	int			err = 0;
 	dlmgmt_door_zonehalt_t	*zonehalt = argp;
 	dlmgmt_zonehalt_retval_t *retvalp = retp;
+	static char my_pid[10];
+
+	if (my_pid[0] == NULL)
+		(void) snprintf(my_pid, sizeof (my_pid), "%d\n", getpid());
 
 	if ((err = dlmgmt_checkprivs(0, cred)) == 0) {
 		if (zoneid != GLOBAL_ZONEID) {
@@ -1316,9 +1361,26 @@ dlmgmt_zonehalt(void *argp, void *retp, size_t *sz, zoneid_t zoneid,
 		} else if (zonehalt->ld_zoneid == GLOBAL_ZONEID) {
 			err = EINVAL;
 		} else {
+			/*
+			 * dls and mac don't honor the locking rules defined in
+			 * mac. In order to try and make that case less likely
+			 * to happen, we try to serialize some of the zone
+			 * activity here between dlmgmtd and the brands on
+			 * /etc/dladm/zone.lck
+			 */
+			int fd;
+
+			while ((fd = open(ZONE_LOCK, O_WRONLY |
+			    O_CREAT | O_EXCL, S_IRUSR | S_IWUSR)) < 0)
+			(void) sleep(1);
+			(void) write(fd, my_pid, sizeof (my_pid));
+			(void) close(fd);
+
 			dlmgmt_table_lock(B_TRUE);
 			dlmgmt_db_fini(zonehalt->ld_zoneid);
 			dlmgmt_table_unlock();
+
+			(void) unlink(ZONE_LOCK);
 		}
 	}
 	retvalp->lr_err = err;
diff --git a/usr/src/cmd/dlmgmtd/dlmgmt_impl.h b/usr/src/cmd/dlmgmtd/dlmgmt_impl.h
index cdfd0d8a4d..dde27ef66e 100644
--- a/usr/src/cmd/dlmgmtd/dlmgmt_impl.h
+++ b/usr/src/cmd/dlmgmtd/dlmgmt_impl.h
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent Inc. All rights reserved.
  */
 
 /*
@@ -67,6 +68,7 @@ typedef struct dlmgmt_link_s {
 	avl_node_t		ll_loan_node;
 	uint32_t		ll_flags;
 	uint32_t		ll_gen;		/* generation number */
+	boolean_t		ll_tomb;	/* tombstombed */
 } dlmgmt_link_t;
 
 /*
@@ -84,6 +86,8 @@ typedef struct dlmgmt_dlconf_s {
 	avl_node_t		ld_node;
 } dlmgmt_dlconf_t;
 
+#define	ZONE_LOCK	"/etc/dladm/zone.lck"
+
 extern boolean_t	debug;
 extern const char	*progname;
 extern char		cachefile[];
@@ -138,7 +142,7 @@ void		dlmgmt_handler(void *, char *, size_t, door_desc_t *, uint_t);
 void		dlmgmt_log(int, const char *, ...);
 int		dlmgmt_write_db_entry(const char *, dlmgmt_link_t *, uint32_t);
 int		dlmgmt_delete_db_entry(dlmgmt_link_t *, uint32_t);
-int 		dlmgmt_db_init(zoneid_t);
+int 		dlmgmt_db_init(zoneid_t, char *);
 void		dlmgmt_db_fini(zoneid_t);
 
 #ifdef  __cplusplus
diff --git a/usr/src/cmd/dlmgmtd/dlmgmt_main.c b/usr/src/cmd/dlmgmtd/dlmgmt_main.c
index c02610bb5f..d8397cc0e6 100644
--- a/usr/src/cmd/dlmgmtd/dlmgmt_main.c
+++ b/usr/src/cmd/dlmgmtd/dlmgmt_main.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
  */
 
 /*
@@ -125,15 +126,24 @@ dlmgmt_door_fini(void)
 	dlmgmt_door_fd = -1;
 }
 
-int
+static int
 dlmgmt_door_attach(zoneid_t zoneid, char *rootdir)
 {
 	int	fd;
 	int	err = 0;
 	char	doorpath[MAXPATHLEN];
+	struct stat statbuf;
 
-	(void) snprintf(doorpath, sizeof (doorpath), "%s%s", rootdir,
-	    DLMGMT_DOOR);
+	/* Handle running in a non-native branded zone (i.e. has /native) */
+	(void) snprintf(doorpath, sizeof (doorpath), "%s/native%s",
+	    rootdir, DLMGMT_TMPFS_DIR);
+	if (stat(doorpath, &statbuf) == 0) {
+		(void) snprintf(doorpath, sizeof (doorpath), "%s/native%s",
+		    rootdir, DLMGMT_DOOR);
+	} else {
+		(void) snprintf(doorpath, sizeof (doorpath), "%s%s",
+		    rootdir, DLMGMT_DOOR);
+	}
 
 	/*
 	 * Create the door file for dlmgmtd.
@@ -192,8 +202,16 @@ dlmgmt_zone_init(zoneid_t zoneid)
 	(void) snprintf(tmpfsdir, sizeof (tmpfsdir), "%s%s", rootdir,
 	    DLMGMT_TMPFS_DIR);
 	if (stat(tmpfsdir, &statbuf) < 0) {
-		if (mkdir(tmpfsdir, (mode_t)0755) < 0)
-			return (errno);
+		if (mkdir(tmpfsdir, (mode_t)0755) < 0) {
+			/*
+			 * Handle running in a non-native branded zone
+			 * (i.e. has /native)
+			 */
+			(void) snprintf(tmpfsdir, sizeof (tmpfsdir),
+			    "%s/native%s", rootdir, DLMGMT_TMPFS_DIR);
+			if (mkdir(tmpfsdir, (mode_t)0755) < 0)
+				return (errno);
+		}
 	} else if ((statbuf.st_mode & S_IFMT) != S_IFDIR) {
 		return (ENOTDIR);
 	}
@@ -203,7 +221,7 @@ dlmgmt_zone_init(zoneid_t zoneid)
 		return (EPERM);
 	}
 
-	if ((err = dlmgmt_db_init(zoneid)) != 0)
+	if ((err = dlmgmt_db_init(zoneid, rootdir)) != 0)
 		return (err);
 	return (dlmgmt_door_attach(zoneid, rootdir));
 }
@@ -214,7 +232,7 @@ dlmgmt_zone_init(zoneid_t zoneid)
 static int
 dlmgmt_allzones_init(void)
 {
-	int		err, i;
+	int		i;
 	zoneid_t	*zids = NULL;
 	uint_t		nzids, nzids_saved;
 
@@ -235,11 +253,37 @@ again:
 	}
 
 	for (i = 0; i < nzids; i++) {
-		if ((err = dlmgmt_zone_init(zids[i])) != 0)
-			break;
+		int res;
+		zone_status_t status;
+
+		/*
+		 * Skip over zones that have gone away or are going down
+		 * since we got the list.  Process all zones in the list,
+		 * logging errors for any that failed.
+		 */
+		if (zone_getattr(zids[i], ZONE_ATTR_STATUS, &status,
+		    sizeof (status)) < 0)
+			continue;
+		switch (status) {
+			case ZONE_IS_SHUTTING_DOWN:
+			case ZONE_IS_EMPTY:
+			case ZONE_IS_DOWN:
+			case ZONE_IS_DYING:
+			case ZONE_IS_DEAD:
+				/* FALLTHRU */
+				continue;
+			default:
+				break;
+		}
+		if ((res = dlmgmt_zone_init(zids[i])) != 0) {
+			(void) fprintf(stderr, "zone (%ld) init error %s",
+			    zids[i], strerror(res));
+			dlmgmt_log(LOG_ERR, "zone (%d) init error %s",
+			    zids[i], strerror(res));
+		}
 	}
 	free(zids);
-	return (err);
+	return (0);
 }
 
 static int
@@ -262,6 +306,8 @@ dlmgmt_init(void)
 		return (err);
 	}
 
+	(void) unlink(ZONE_LOCK);
+
 	/*
 	 * First derive the name of the cache file from the FMRI name. This
 	 * cache name is used to keep active datalink configuration.
diff --git a/usr/src/cmd/dlmgmtd/dlmgmt_util.c b/usr/src/cmd/dlmgmtd/dlmgmt_util.c
index afcfbed37b..7493ee3577 100644
--- a/usr/src/cmd/dlmgmtd/dlmgmt_util.c
+++ b/usr/src/cmd/dlmgmtd/dlmgmt_util.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent Inc. All rights reserved.
  */
 
 /*
@@ -45,13 +46,10 @@
 /*
  * There are three datalink AVL tables.  The dlmgmt_name_avl tree contains all
  * datalinks and is keyed by zoneid and link name.  The dlmgmt_id_avl also
- * contains all datalinks, and it is keyed by link ID.  The dlmgmt_loan_avl is
- * keyed by link name, and contains the set of global-zone links that are
- * currently on loan to non-global zones.
+ * contains all datalinks, and it is keyed by link ID.
  */
 avl_tree_t	dlmgmt_name_avl;
 avl_tree_t	dlmgmt_id_avl;
-avl_tree_t	dlmgmt_loan_avl;
 
 avl_tree_t	dlmgmt_dlconf_avl;
 
@@ -162,8 +160,6 @@ dlmgmt_linktable_init(void)
 	    offsetof(dlmgmt_link_t, ll_name_node));
 	avl_create(&dlmgmt_id_avl, cmp_link_by_id, sizeof (dlmgmt_link_t),
 	    offsetof(dlmgmt_link_t, ll_id_node));
-	avl_create(&dlmgmt_loan_avl, cmp_link_by_name, sizeof (dlmgmt_link_t),
-	    offsetof(dlmgmt_link_t, ll_loan_node));
 	avl_create(&dlmgmt_dlconf_avl, cmp_dlconf_by_id,
 	    sizeof (dlmgmt_dlconf_t), offsetof(dlmgmt_dlconf_t, ld_node));
 	dlmgmt_nextlinkid = 1;
@@ -181,7 +177,6 @@ dlmgmt_linktable_fini(void)
 
 	avl_destroy(&dlmgmt_dlconf_avl);
 	avl_destroy(&dlmgmt_name_avl);
-	avl_destroy(&dlmgmt_loan_avl);
 	avl_destroy(&dlmgmt_id_avl);
 }
 
@@ -385,7 +380,6 @@ link_activate(dlmgmt_link_t *linkp)
 
 			linkp->ll_zoneid = zoneid;
 			avl_add(&dlmgmt_name_avl, linkp);
-			avl_add(&dlmgmt_loan_avl, linkp);
 			linkp->ll_onloan = B_TRUE;
 		}
 	} else if (linkp->ll_zoneid != GLOBAL_ZONEID) {
@@ -430,10 +424,6 @@ link_by_name(const char *name, zoneid_t zoneid)
 	(void) strlcpy(link.ll_link, name, MAXLINKNAMELEN);
 	link.ll_zoneid = zoneid;
 	linkp = avl_find(&dlmgmt_name_avl, &link, NULL);
-	if (linkp == NULL && zoneid == GLOBAL_ZONEID) {
-		/* The link could be on loan to a non-global zone? */
-		linkp = avl_find(&dlmgmt_loan_avl, &link, NULL);
-	}
 	return (linkp);
 }
 
@@ -461,6 +451,7 @@ dlmgmt_create_common(const char *name, datalink_class_t class, uint32_t media,
 	linkp->ll_linkid = dlmgmt_nextlinkid;
 	linkp->ll_zoneid = zoneid;
 	linkp->ll_gen = 0;
+	linkp->ll_tomb = B_FALSE;
 
 	if (avl_find(&dlmgmt_name_avl, linkp, &name_where) != NULL ||
 	    avl_find(&dlmgmt_id_avl, linkp, &id_where) != NULL) {
@@ -511,8 +502,6 @@ dlmgmt_destroy_common(dlmgmt_link_t *linkp, uint32_t flags)
 
 	if ((flags & DLMGMT_ACTIVE) && linkp->ll_zoneid != GLOBAL_ZONEID) {
 		(void) zone_remove_datalink(linkp->ll_zoneid, linkp->ll_linkid);
-		if (linkp->ll_onloan)
-			avl_remove(&dlmgmt_loan_avl, linkp);
 	}
 
 	if (linkp->ll_flags == 0) {
diff --git a/usr/src/cmd/dlmgmtd/svc-dlmgmtd b/usr/src/cmd/dlmgmtd/svc-dlmgmtd
index 7559207535..a75e71f9b3 100644
--- a/usr/src/cmd/dlmgmtd/svc-dlmgmtd
+++ b/usr/src/cmd/dlmgmtd/svc-dlmgmtd
@@ -23,17 +23,16 @@
 #
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
+# Copyright 2012 Joyent, Inc.  All rights reserved.
 #
-# ident	"%Z%%M%	%I%	%E% SMI"
 
 . /lib/svc/share/smf_include.sh
 
-# The real daemon is not started in a non-global zone. But we need to
-# create a dummy background process to preserve contract lifetime.
+# The real daemon is not started in a non-global zone. Exit to leave
+# an empty contract.
 
 if smf_is_nonglobalzone; then
-	(while true ; do sleep 3600 ; done) & 
-	exit $SMF_EXIT_OK
+	exit $SMF_EXIT_NODAEMON
 fi
 
 # Start the dlmgmtd daemon.
diff --git a/usr/src/cmd/dlstat/dlstat.c b/usr/src/cmd/dlstat/dlstat.c
index a931ba82ff..2615fdbb12 100644
--- a/usr/src/cmd/dlstat/dlstat.c
+++ b/usr/src/cmd/dlstat/dlstat.c
@@ -62,7 +62,7 @@ typedef struct link_chain_s {
 	struct link_chain_s	*lc_next;
 } link_chain_t;
 
-typedef void *	(*stats2str_t)(const char *, void *,
+typedef void *	(*stats2str_t)(const char *, const char *, void *,
 		    char, boolean_t);
 
 typedef struct show_state {
@@ -141,6 +141,7 @@ typedef struct total_fields_buf_s {
 	char t_rbytes[MAXSTATLEN];
 	char t_opackets[MAXSTATLEN];
 	char t_obytes[MAXSTATLEN];
+	char t_zone[ZONENAME_MAX];
 } total_fields_buf_t;
 
 static ofmt_field_t total_s_fields[] = {
@@ -154,6 +155,8 @@ static ofmt_field_t total_s_fields[] = {
     offsetof(total_fields_buf_t, t_opackets),	print_default_cb},
 { "OBYTES",	8,
     offsetof(total_fields_buf_t, t_obytes),	print_default_cb},
+{ "ZONE",	20,
+    offsetof(total_fields_buf_t, t_zone),	print_default_cb},
 { NULL,		0,	0,		NULL}};
 
 /*
@@ -957,8 +960,8 @@ cleanup_removed_links(show_state_t *state)
 }
 
 void *
-print_total_stats(const char *linkname, void *statentry, char unit,
-    boolean_t parsable)
+print_total_stats(const char *linkname, const char *zonename, void *statentry,
+    char unit, boolean_t parsable)
 {
 	total_stat_entry_t	*sentry = statentry;
 	total_stat_t		*link_stats = &sentry->tse_stats;
@@ -970,6 +973,7 @@ print_total_stats(const char *linkname, void *statentry, char unit,
 
 	(void) snprintf(buf->t_linkname, sizeof (buf->t_linkname), "%s",
 	    linkname);
+	(void) snprintf(buf->t_zone, sizeof (buf->t_zone), "%s", zonename);
 
 	map_to_units(buf->t_ipackets, sizeof (buf->t_ipackets),
 	    link_stats->ts_ipackets, unit, parsable);
@@ -988,8 +992,8 @@ done:
 }
 
 void *
-print_rx_generic_ring_stats(const char *linkname, void *statentry, char unit,
-    boolean_t parsable)
+print_rx_generic_ring_stats(const char *linkname, const char *zonename, 
+    void *statentry, char unit, boolean_t parsable)
 {
 	ring_stat_entry_t	*sentry = statentry;
 	ring_stat_t		*link_stats = &sentry->re_stats;
@@ -1022,8 +1026,8 @@ done:
 }
 
 void *
-print_tx_generic_ring_stats(const char *linkname, void *statentry, char unit,
-    boolean_t parsable)
+print_tx_generic_ring_stats(const char *linkname, const char *zonename,
+    void *statentry, char unit, boolean_t parsable)
 {
 	ring_stat_entry_t	*sentry = statentry;
 	ring_stat_t		*link_stats = &sentry->re_stats;
@@ -1056,8 +1060,8 @@ done:
 }
 
 void *
-print_rx_ring_stats(const char *linkname, void *statentry, char unit,
-    boolean_t parsable)
+print_rx_ring_stats(const char *linkname, const char *zonename, void *statentry,
+    char unit, boolean_t parsable)
 {
 	ring_stat_entry_t	*sentry = statentry;
 	ring_stat_t		*link_stats = &sentry->re_stats;
@@ -1090,8 +1094,8 @@ done:
 }
 
 void *
-print_tx_ring_stats(const char *linkname, void *statentry, char unit,
-    boolean_t parsable)
+print_tx_ring_stats(const char *linkname, const char *zonename, void *statentry,
+    char unit, boolean_t parsable)
 {
 	ring_stat_entry_t	*sentry = statentry;
 	ring_stat_t		*link_stats = &sentry->re_stats;
@@ -1124,8 +1128,8 @@ done:
 }
 
 void *
-print_rx_generic_lane_stats(const char *linkname, void *statentry, char unit,
-    boolean_t parsable)
+print_rx_generic_lane_stats(const char *linkname, const char *zonename,
+    void *statentry, char unit, boolean_t parsable)
 {
 	rx_lane_stat_entry_t	*sentry = statentry;
 	rx_lane_stat_t		*link_stats = &sentry->rle_stats;
@@ -1172,8 +1176,8 @@ done:
 }
 
 void *
-print_tx_generic_lane_stats(const char *linkname, void *statentry, char unit,
-    boolean_t parsable)
+print_tx_generic_lane_stats(const char *linkname, const char *zonename,
+    void *statentry, char unit, boolean_t parsable)
 {
 	tx_lane_stat_entry_t	*sentry = statentry;
 	tx_lane_stat_t		*link_stats = &sentry->tle_stats;
@@ -1217,8 +1221,8 @@ done:
 }
 
 void *
-print_rx_lane_stats(const char *linkname, void *statentry, char unit,
-    boolean_t parsable)
+print_rx_lane_stats(const char *linkname, const char *zonename, void *statentry,
+    char unit, boolean_t parsable)
 {
 	rx_lane_stat_entry_t	*sentry = statentry;
 	rx_lane_stat_t		*link_stats = &sentry->rle_stats;
@@ -1283,9 +1287,8 @@ done:
 }
 
 void *
-print_tx_lane_stats(const char *linkname, void *statentry, char unit,
-    boolean_t parsable)
-{
+print_tx_lane_stats(const char *linkname, const char *zonename, void *statentry,
+    char unit, boolean_t parsable) {
 	tx_lane_stat_entry_t	*sentry = statentry;
 	tx_lane_stat_t		*link_stats = &sentry->tle_stats;
 	tx_lane_fields_buf_t	*buf = NULL;
@@ -1338,8 +1341,8 @@ done:
 }
 
 void *
-print_fanout_stats(const char *linkname, void *statentry, char unit,
-    boolean_t parsable)
+print_fanout_stats(const char *linkname, const char *zonename, void *statentry,
+    char unit, boolean_t parsable)
 {
 	fanout_stat_entry_t		*sentry = statentry;
 	fanout_stat_t			*link_stats = &sentry->fe_stats;
@@ -1392,8 +1395,8 @@ done:
 }
 
 void *
-print_aggr_port_stats(const char *linkname, void *statentry, char unit,
-    boolean_t parsable)
+print_aggr_port_stats(const char *linkname, const char *zonename,
+    void *statentry, char unit, boolean_t parsable)
 {
 	aggr_port_stat_entry_t	*sentry = statentry;
 	aggr_port_stat_t	*link_stats = &sentry->ape_stats;
@@ -1470,7 +1473,8 @@ done:
 
 void
 walk_dlstat_stats(show_state_t *state, const char *linkname,
-    dladm_stat_type_t stattype, dladm_stat_chain_t *diff_stat)
+    const char *zonename, dladm_stat_type_t stattype,
+    dladm_stat_chain_t *diff_stat)
 {
 	dladm_stat_chain_t  *curr;
 
@@ -1480,7 +1484,8 @@ walk_dlstat_stats(show_state_t *state, const char *linkname,
 
 		/* Format the raw numbers for printing */
 		fields_buf = state->ls_stats2str[stattype](linkname,
-		    curr->dc_statentry, state->ls_unit, state->ls_parsable);
+		    zonename, curr->dc_statentry, state->ls_unit,
+		    state->ls_parsable);
 		/* Print the stats */
 		if (fields_buf != NULL)
 			ofmt_print(state->ls_ofmt, fields_buf);
@@ -1495,12 +1500,20 @@ show_queried_stats(dladm_handle_t dh, datalink_id_t linkid, void *arg)
 	int 			i;
 	dladm_stat_chain_t	*diff_stat;
 	char			linkname[DLPI_LINKNAME_MAX];
+	char			zonename[DLADM_PROP_VAL_MAX + 1];
+	char			*valptr[1];
+	uint_t			valcnt = 1;
 
 	if (dladm_datalink_id2info(dh, linkid, NULL, NULL, NULL, linkname,
 	    DLPI_LINKNAME_MAX) != DLADM_STATUS_OK) {
 		goto done;
 	}
 
+	valptr[0] = zonename;
+	if (dladm_get_linkprop(handle, linkid, DLADM_PROP_VAL_CURRENT, "zone",
+	    (char **)valptr, &valcnt) != 0)
+		zonename[0] = '\0';
+
 	for (i = 0; i < DLADM_STAT_NUM_STATS; i++) {
 		if (state->ls_stattype[i]) {
 			/*
@@ -1508,7 +1521,8 @@ show_queried_stats(dladm_handle_t dh, datalink_id_t linkid, void *arg)
 			 * Stats are returned as chain of raw numbers
 			 */
 			diff_stat = query_link_stats(handle, linkid, arg, i);
-			walk_dlstat_stats(state, linkname, i, diff_stat);
+			walk_dlstat_stats(state, linkname, zonename, i,
+			    diff_stat);
 			dladm_link_stat_free(diff_stat);
 		}
 	}
@@ -1628,7 +1642,7 @@ do_show(int argc, char *argv[], const char *use)
 	char			*o_fields_str = NULL;
 
 	char			*total_stat_fields =
-	    "link,ipkts,rbytes,opkts,obytes";
+	    "link,ipkts,rbytes,opkts,obytes,zone";
 	char			*rx_total_stat_fields =
 	    "link,ipkts,rbytes,intrs,polls,ch<10,ch10-50,ch>50";
 	char			*tx_total_stat_fields =
diff --git a/usr/src/cmd/dtrace/test/cmd/jdtrace/Makefile b/usr/src/cmd/dtrace/test/cmd/jdtrace/Makefile
index 99a571bee8..7aa028b4c1 100644
--- a/usr/src/cmd/dtrace/test/cmd/jdtrace/Makefile
+++ b/usr/src/cmd/dtrace/test/cmd/jdtrace/Makefile
@@ -23,7 +23,6 @@
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
-# ident	"%Z%%M%	%I%	%E% SMI"
 
 PROG = jdtrace
 SRCS = jdtrace.c
@@ -77,7 +76,7 @@ $(PROG): $(SRCS)
 
 JFLAGS= -g -cp $(CLASSPATH) -d $(CLASSDIR) -deprecation
 JFLAGS += -target 1.5
-JFLAGS += -Xlint
+JFLAGS += -Xlint -Xlint:-path
 COMPILE.java=$(JAVAC) $(JFLAGS)
 JAVASRC= JDTrace.java Getopt.java
 
diff --git a/usr/src/cmd/dtrace/test/cmd/scripts/dtest.pl b/usr/src/cmd/dtrace/test/cmd/scripts/dtest.pl
index d6f1c8c277..e7f9189822 100644
--- a/usr/src/cmd/dtrace/test/cmd/scripts/dtest.pl
+++ b/usr/src/cmd/dtrace/test/cmd/scripts/dtest.pl
@@ -566,7 +566,7 @@ $defdir = -d $dt_tst ? $dt_tst : '.';
 $bindir = -d $dt_bin ? $dt_bin : '.';
 
 if (!$opt_F) {
-	my @dependencies = ("gcc", "make", "java", "perl");
+	my @dependencies = ("gcc", "cc", "make", "java", "perl", "printenv");
 	
 	for my $dep (@dependencies) {
 		if (!inpath($dep)) {
diff --git a/usr/src/cmd/dtrace/test/tst/common/Makefile b/usr/src/cmd/dtrace/test/tst/common/Makefile
index fa3a8b17c0..95ada26513 100644
--- a/usr/src/cmd/dtrace/test/tst/common/Makefile
+++ b/usr/src/cmd/dtrace/test/tst/common/Makefile
@@ -152,6 +152,14 @@ usdt/tst.forker.o: usdt/forker.h
 usdt/forker.h: usdt/forker.d
 	$(DTRACE) -h -s usdt/forker.d -o usdt/forker.h
 
+ustack/tst.unpriv.exe: ustack/tst.unpriv.o ustack/unpriv_helper.o
+	$(LINK.c) -o ustack/tst.unpriv.exe \
+	    ustack/tst.unpriv.o ustack/unpriv_helper.o $(LDLIBS)
+	$(POST_PROCESS) ; $(STRIP_STABS)
+
+ustack/unpriv_helper.o: ustack/unpriv_helper.d
+	$(COMPILE.d) -o ustack/unpriv_helper.o -s ustack/unpriv_helper.d
+
 usdt/tst.lazyprobe.exe: usdt/tst.lazyprobe.o usdt/lazyprobe.o
 	$(LINK.c) -o usdt/tst.lazyprobe.exe \
 	    usdt/tst.lazyprobe.o usdt/lazyprobe.o $(LDLIBS)
diff --git a/usr/src/cmd/dtrace/test/tst/common/java_api/Makefile b/usr/src/cmd/dtrace/test/tst/common/java_api/Makefile
index fe213dd22a..26bf656edc 100644
--- a/usr/src/cmd/dtrace/test/tst/common/java_api/Makefile
+++ b/usr/src/cmd/dtrace/test/tst/common/java_api/Makefile
@@ -23,7 +23,6 @@
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
-#ident	"%Z%%M%	%I%	%E% SMI"
 
 include $(SRC)/Makefile.master
 
@@ -62,7 +61,7 @@ install: all $(PROTO_TEST_JAR)
 
 JFLAGS= -g -cp $(CLASSPATH) -d $(CLASSDIR) -deprecation
 JFLAGS += -target 1.5
-JFLAGS += -Xlint
+JFLAGS += -Xlint -Xlint:-path
 COMPILE.java=$(JAVAC) $(JFLAGS)
 
 $(TEST_JAR): $(SRCDIR)/*.java
diff --git a/usr/src/cmd/dtrace/test/tst/common/llquantize/tst.range.d b/usr/src/cmd/dtrace/test/tst/common/llquantize/tst.range.d
index e2882b3f8e..a9138d2f54 100644
--- a/usr/src/cmd/dtrace/test/tst/common/llquantize/tst.range.d
+++ b/usr/src/cmd/dtrace/test/tst/common/llquantize/tst.range.d
@@ -19,10 +19,6 @@
  * CDDL HEADER END
  */
 
-/*
- * Copyright (c) 2011, Joyent, Inc. All rights reserved.
- */
-
 #pragma D option quiet
 
 BEGIN
diff --git a/usr/src/cmd/dtrace/test/tst/common/mdb/tst.postmort.ksh b/usr/src/cmd/dtrace/test/tst/common/mdb/tst.postmort.ksh
new file mode 100644
index 0000000000..c5921b8d28
--- /dev/null
+++ b/usr/src/cmd/dtrace/test/tst/common/mdb/tst.postmort.ksh
@@ -0,0 +1,69 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright (c) 2011, Joyent, Inc. All rights reserved.
+#
+
+if [ $# != 1 ]; then
+	echo expected one argument: '<'dtrace-path'>'
+	exit 2
+fi
+
+dtrace=$1
+DIR=/var/tmp/dtest.$$
+
+mkdir $DIR
+cd $DIR
+
+expected=`od -t u8 -N 8 /dev/urandom | head -1 | cut -d ' ' -f2`
+
+$dtrace -x bufpolicy=ring -x bufsize=10k -qs /dev/stdin > /dev/null 2>&1 <<EOF &
+	tick-1ms
+	/i < 10000/
+	{
+		printf("%d: expected is $expected!\n", i++);
+	}
+
+	tick-1ms
+	/i >= 10000/
+	{
+		exit(0);
+	}
+EOF
+
+background=$!
+
+#
+# Give some time for the enabling to get there...
+#
+sleep 2
+
+echo "::walk dtrace_state | ::dtrace" | mdb -k | tee test.out
+grep "expected is $expected" test.out 2> /dev/null 1>&2
+status=$?
+
+kill $background
+
+cd /
+/usr/bin/rm -rf $DIR
+
+exit $status
diff --git a/usr/src/cmd/dtrace/test/tst/common/ustack/tst.unpriv.c b/usr/src/cmd/dtrace/test/tst/common/ustack/tst.unpriv.c
new file mode 100644
index 0000000000..43ba244444
--- /dev/null
+++ b/usr/src/cmd/dtrace/test/tst/common/ustack/tst.unpriv.c
@@ -0,0 +1,7 @@
+int
+main(int argc, char *argv[])
+{
+	for (;;)
+		;
+	return (0);
+}
diff --git a/usr/src/cmd/dtrace/test/tst/common/ustack/tst.unpriv.ksh b/usr/src/cmd/dtrace/test/tst/common/ustack/tst.unpriv.ksh
new file mode 100644
index 0000000000..26c430bff7
--- /dev/null
+++ b/usr/src/cmd/dtrace/test/tst/common/ustack/tst.unpriv.ksh
@@ -0,0 +1,68 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright (c) 2011, Joyent, Inc. All rights reserved.
+#
+
+ppriv -s A=basic,dtrace_user,dtrace_proc $$
+
+if [ $# != 1 ]; then
+	echo expected one argument: '<'dtrace-path'>'
+	exit 2
+fi
+
+file=out.$$
+dtrace=$1
+
+rm -f $file
+
+dir=`/bin/dirname $tst`
+
+$dtrace -o $file -c $dir/tst.unpriv.exe -ws /dev/stdin <<EOF
+	profile-1234hz
+	/pid == \$target/
+	{
+		@[ustack(20, 8192)] = count();
+	}
+
+	tick-1s
+	{
+		secs++;
+	}
+
+	tick-1s
+	/secs > 10/
+	{
+		trace("test timed out");
+		exit(1);
+	}
+
+	profile-1234hz
+	/pid == \$target && secs > 5/
+	{
+		raise(SIGINT);
+		exit(0);
+	}
+EOF
+
+status=$?
+exit $status
diff --git a/usr/src/cmd/dtrace/test/tst/common/ustack/unpriv_helper.d b/usr/src/cmd/dtrace/test/tst/common/ustack/unpriv_helper.d
new file mode 100644
index 0000000000..eb7b0e9e9d
--- /dev/null
+++ b/usr/src/cmd/dtrace/test/tst/common/ustack/unpriv_helper.d
@@ -0,0 +1,4 @@
+dtrace:helper:ustack:
+{
+	this->otherstr = "doogle";
+}
diff --git a/usr/src/cmd/flowadm/flowadm.c b/usr/src/cmd/flowadm/flowadm.c
index 374fa1675c..34e597dc78 100644
--- a/usr/src/cmd/flowadm/flowadm.c
+++ b/usr/src/cmd/flowadm/flowadm.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
  */
 
 #include <stdio.h>
@@ -233,9 +234,9 @@ usage(void)
 	(void) fprintf(stderr, gettext("usage: flowadm <subcommand>"
 	    " <args>...\n"
 	    "    add-flow       [-t] -l <link> -a <attr>=<value>[,...]\n"
-	    "\t\t   [-p <prop>=<value>,...] <flow>\n"
-	    "    remove-flow    [-t] {-l <link> | <flow>}\n"
-	    "    show-flow      [-p] [-l <link>] "
+	    "\t\t   [-p <prop>=<value>,...] [-z zonename] <flow>\n"
+	    "    remove-flow    [-t] [-z zonename] {-l <link> | <flow>}\n"
+	    "    show-flow      [-p] [-l <link>] [-z zonename] "
 	    "[<flow>]\n\n"
 	    "    set-flowprop   [-t] -p <prop>=<value>[,...] <flow>\n"
 	    "    reset-flowprop [-t] [-p <prop>,...] <flow>\n"
@@ -333,11 +334,12 @@ do_add_flow(int argc, char *argv[])
 	dladm_arg_list_t	*proplist = NULL;
 	dladm_arg_list_t	*attrlist = NULL;
 	dladm_status_t		status;
+	char			*zonename = NULL;
 
 	bzero(propstr, DLADM_STRSIZE);
 	bzero(attrstr, DLADM_STRSIZE);
 
-	while ((option = getopt_long(argc, argv, "tR:l:a:p:",
+	while ((option = getopt_long(argc, argv, "tR:l:a:p:z:",
 	    prop_longopts, NULL)) != -1) {
 		switch (option) {
 		case 't':
@@ -351,9 +353,6 @@ do_add_flow(int argc, char *argv[])
 			    MAXLINKNAMELEN) >= MAXLINKNAMELEN) {
 				die("link name too long");
 			}
-			if (dladm_name2info(handle, devname, &linkid, NULL,
-			    NULL, NULL) != DLADM_STATUS_OK)
-				die("invalid link '%s'", devname);
 			l_arg = B_TRUE;
 			break;
 		case 'a':
@@ -368,6 +367,9 @@ do_add_flow(int argc, char *argv[])
 			    DLADM_STRSIZE)
 				die("property list too long '%s'", propstr);
 			break;
+		case 'z':
+			zonename = optarg;
+			break;
 		default:
 			die_opterr(optopt, option);
 		}
@@ -376,6 +378,10 @@ do_add_flow(int argc, char *argv[])
 		die("link is required");
 	}
 
+	if (dladm_zname2info(handle, zonename, devname, &linkid, NULL,
+	    NULL, NULL) != DLADM_STATUS_OK)
+		die("invalid link '%s'", devname);
+
 	opterr = 0;
 	index = optind;
 
@@ -414,11 +420,12 @@ do_remove_flow(int argc, char *argv[])
 	boolean_t		l_arg = B_FALSE;
 	remove_flow_state_t	state;
 	dladm_status_t		status;
+	char			*zonename = NULL;
 
 	bzero(&state, sizeof (state));
 
 	opterr = 0;
-	while ((option = getopt_long(argc, argv, ":tR:l:",
+	while ((option = getopt_long(argc, argv, ":tR:l:z:",
 	    longopts, NULL)) != -1) {
 		switch (option) {
 		case 't':
@@ -432,12 +439,11 @@ do_remove_flow(int argc, char *argv[])
 			    MAXLINKNAMELEN) >= MAXLINKNAMELEN) {
 				die("link name too long");
 			}
-			if (dladm_name2info(handle, linkname, &linkid, NULL,
-			    NULL, NULL) != DLADM_STATUS_OK) {
-				die("invalid link '%s'", linkname);
-			}
 			l_arg = B_TRUE;
 			break;
+		case 'z':
+			zonename = optarg;
+			break;
 		default:
 			die_opterr(optopt, option);
 			break;
@@ -458,6 +464,12 @@ do_remove_flow(int argc, char *argv[])
 		/* if link is specified then flow name should not be there */
 		if (optind == argc-1)
 			usage();
+
+		if (dladm_zname2info(handle, zonename, linkname, &linkid, NULL,
+		    NULL, NULL) != DLADM_STATUS_OK) {
+			die("invalid link '%s'", linkname);
+		}
+
 		/* walk the link to find flows and remove them */
 		state.fs_tempop = t_arg;
 		state.fs_altroot = altroot;
@@ -597,11 +609,12 @@ do_show_flow(int argc, char *argv[])
 	ofmt_handle_t		ofmt;
 	ofmt_status_t		oferr;
 	uint_t			ofmtflags = 0;
+	char			*zonename = NULL;
 
 	bzero(&state, sizeof (state));
 
 	opterr = 0;
-	while ((option = getopt_long(argc, argv, ":pPl:o:",
+	while ((option = getopt_long(argc, argv, ":pPl:o:z:",
 	    longopts, NULL)) != -1) {
 		switch (option) {
 		case 'p':
@@ -622,17 +635,23 @@ do_show_flow(int argc, char *argv[])
 			if (strlcpy(linkname, optarg, MAXLINKNAMELEN)
 			    >= MAXLINKNAMELEN)
 				die("link name too long\n");
-			if (dladm_name2info(handle, linkname, &linkid, NULL,
-			    NULL, NULL) != DLADM_STATUS_OK)
-				die("invalid link '%s'", linkname);
 			l_arg = B_TRUE;
 			break;
+		case 'z':
+			zonename = optarg;
+			break;
 		default:
 			die_opterr(optopt, option);
 			break;
 		}
 	}
 
+	if (l_arg) {
+		if (dladm_zname2info(handle, zonename, linkname, &linkid, NULL,
+		    NULL, NULL) != DLADM_STATUS_OK)
+			die("invalid link '%s'", linkname);
+	}
+
 	/* get flow name (optional last argument */
 	if (optind == (argc-1)) {
 		if (strlcpy(flowname, argv[optind], MAXFLOWNAMELEN)
diff --git a/usr/src/cmd/flowstat/flowstat.c b/usr/src/cmd/flowstat/flowstat.c
index 3ddff9e34f..781ce6b0f0 100644
--- a/usr/src/cmd/flowstat/flowstat.c
+++ b/usr/src/cmd/flowstat/flowstat.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
  */
 
 #include <stdio.h>
@@ -190,9 +191,9 @@ static char *progname;
 static dladm_handle_t handle = NULL;
 
 const char *usage_ermsg = "flowstat [-r | -t] [-i interval] "
-	    "[-l link] [flow]\n"
+	    "[-l link] [-z zonename] [flow]\n"
 	    "       flowstat [-S] [-A] [-i interval] [-p] [ -o field[,...]]\n"
-	    "                [-u R|K|M|G|T|P] [-l link] [flow]\n"
+	    "                [-u R|K|M|G|T|P] [-l link] [-z zonename] [flow]\n"
 	    "       flowstat -h [-a] [-d] [-F format]"
 	    " [-s <DD/MM/YYYY,HH:MM:SS>]\n"
 	    "                [-e <DD/MM/YYYY,HH:MM:SS>] -f <logfile> "
@@ -556,6 +557,7 @@ main(int argc, char *argv[])
 	show_flow_state_t	state;
 	char			*fields_str = NULL;
 	char			*o_fields_str = NULL;
+	char			*zonename = NULL;
 
 	char			*total_stat_fields =
 	    "flow,ipkts,rbytes,ierrs,opkts,obytes,oerrs";
@@ -582,10 +584,11 @@ main(int argc, char *argv[])
 	if ((status = dladm_open(&handle)) != DLADM_STATUS_OK)
 		die_dlerr(status, "could not open /dev/dld");
 
+	linkname[0] = '\0';
 	bzero(&state, sizeof (state));
 
 	opterr = 0;
-	while ((option = getopt_long(argc, argv, ":rtApSi:o:u:l:h",
+	while ((option = getopt_long(argc, argv, ":rtApSi:o:u:l:hz:",
 	    NULL, NULL)) != -1) {
 		switch (option) {
 		case 'r':
@@ -642,9 +645,6 @@ main(int argc, char *argv[])
 			if (strlcpy(linkname, optarg, MAXLINKNAMELEN)
 			    >= MAXLINKNAMELEN)
 				die("link name too long\n");
-			if (dladm_name2info(handle, linkname, &linkid, NULL,
-			    NULL, NULL) != DLADM_STATUS_OK)
-				die("invalid link '%s'", linkname);
 			break;
 		case 'h':
 			if (r_arg || t_arg || p_arg || o_arg || u_arg ||
@@ -655,6 +655,9 @@ main(int argc, char *argv[])
 			do_show_history(argc, argv);
 			return (0);
 			break;
+		case 'z':
+			zonename = optarg;
+			break;
 		default:
 			die_opterr(optopt, option, usage_ermsg);
 			break;
@@ -683,6 +686,12 @@ main(int argc, char *argv[])
 		die("the option -A is not compatible with "
 		    "-r, -t, -p, -o, -u, -i");
 
+	if (linkname[0] != '\0') {
+		if (dladm_zname2info(handle, zonename, linkname, &linkid, NULL,
+		    NULL, NULL) != DLADM_STATUS_OK)
+			die("invalid link '%s'", linkname);
+	}
+
 	/* get flow name (optional last argument) */
 	if (optind == (argc-1)) {
 		if (strlcpy(flowname, argv[optind], MAXFLOWNAMELEN)
diff --git a/usr/src/cmd/fs.d/Makefile b/usr/src/cmd/fs.d/Makefile
index 8e8faaa643..6cf7642d17 100644
--- a/usr/src/cmd/fs.d/Makefile
+++ b/usr/src/cmd/fs.d/Makefile
@@ -19,6 +19,7 @@
 # CDDL HEADER END
 #
 # Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2012, Joyent, Inc. All rights reserved.
 #
 
 # The filesystem independent utilities clri, fsdb, dcopy, labelit, and mkfs
@@ -38,8 +39,8 @@ DEFAULTFILES=	fs.dfl
 
 include ../Makefile.cmd
 
-SUBDIR1= lofs zfs
-SUBDIR2= dev fd pcfs nfs hsfs proc ctfs udfs ufs tmpfs cachefs \
+SUBDIR1= bootfs hyprlofs lofs zfs
+SUBDIR2= dev fd pcfs nfs hsfs lxproc proc ctfs udfs ufs tmpfs cachefs \
 		autofs mntfs objfs sharefs smbclnt reparsed
 SUBDIRS= $(SUBDIR1) $(SUBDIR2)
 I18NDIRS= $(SUBDIR2)
diff --git a/usr/src/cmd/fs.d/bootfs/Makefile b/usr/src/cmd/fs.d/bootfs/Makefile
new file mode 100644
index 0000000000..d0ac4311f4
--- /dev/null
+++ b/usr/src/cmd/fs.d/bootfs/Makefile
@@ -0,0 +1,21 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+FSTYPE=		bootfs
+LIBPROG=	mount
+
+include		../Makefile.fstype
+include		../Makefile.mount
+include		../Makefile.mount.targ
diff --git a/usr/src/cmd/fs.d/bootfs/mount.c b/usr/src/cmd/fs.d/bootfs/mount.c
new file mode 100644
index 0000000000..5363a4f872
--- /dev/null
+++ b/usr/src/cmd/fs.d/bootfs/mount.c
@@ -0,0 +1,139 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libintl.h>
+#include <errno.h>
+#include <sys/fstyp.h>
+#include <sys/fsid.h>
+#include <sys/mntent.h>
+#include <sys/mnttab.h>
+#include <sys/mount.h>
+#include <sys/signal.h>
+#include <sys/stat.h>
+#include <fslib.h>
+
+#define	MNTTYPE_BOOTFS "bootfs"
+
+static char  optbuf[MAX_MNTOPT_STR] = { '\0', };
+static int   optsize = 0;
+
+static void
+usage(void)
+{
+	(void) fprintf(stderr,
+	    "Usage: mount [-Ormq] [-o options] special mountpoint\n");
+	exit(2);
+}
+
+/*
+ * usage: mount [-Ormq] [-o options] special mountp
+ *
+ * This mount program is exec'ed by /usr/sbin/mount if '-F bootfs' is
+ * specified.
+ */
+int
+main(int argc, char *argv[])
+{
+	int c;
+	char *special;		/* Entity being mounted */
+	char *mountp;		/* Entity being mounted on */
+	char *savedoptbuf;
+	char *myname;
+	char typename[64];
+	int flags = 0;
+	int errflag = 0;
+	int qflg = 0;
+
+	myname = strrchr(argv[0], '/');
+	myname = myname ? myname+1 : argv[0];
+	(void) snprintf(typename, sizeof (typename), "%s %s", MNTTYPE_BOOTFS,
+	    myname);
+	argv[0] = typename;
+
+	while ((c = getopt(argc, argv, "o:rmOq")) != EOF) {
+		switch (c) {
+		case '?':
+			errflag++;
+			break;
+
+		case 'o':
+			if (strlcpy(optbuf, optarg, sizeof (optbuf)) >=
+			    sizeof (optbuf)) {
+				(void) fprintf(stderr,
+				    gettext("%s: Invalid argument: %s\n"),
+				    myname, optarg);
+				return (2);
+			}
+			optsize = strlen(optbuf);
+			break;
+		case 'O':
+			flags |= MS_OVERLAY;
+			break;
+		case 'r':
+			flags |= MS_RDONLY;
+			break;
+
+		case 'm':
+			flags |= MS_NOMNTTAB;
+			break;
+
+		case 'q':
+			qflg = 1;
+			break;
+
+		default:
+			usage();
+		}
+	}
+	if ((argc - optind != 2) || errflag) {
+		usage();
+	}
+	special = argv[argc - 2];
+	mountp = argv[argc - 1];
+
+	if ((savedoptbuf = strdup(optbuf)) == NULL) {
+		(void) fprintf(stderr, gettext("%s: out of memory\n"),
+		    myname);
+		exit(2);
+	}
+
+	if (mount(special, mountp, flags | MS_OPTIONSTR, MNTTYPE_BOOTFS, NULL,
+	    0, optbuf, MAX_MNTOPT_STR)) {
+		(void) fprintf(stderr, "mount: ");
+		perror(special);
+		exit(2);
+	}
+	if (optsize && !qflg) {
+		cmp_requested_to_actual_options(savedoptbuf, optbuf,
+		    special, mountp);
+	}
+
+	return (0);
+}
diff --git a/usr/src/cmd/fs.d/hyprlofs/Makefile b/usr/src/cmd/fs.d/hyprlofs/Makefile
new file mode 100644
index 0000000000..1a3aaf18d3
--- /dev/null
+++ b/usr/src/cmd/fs.d/hyprlofs/Makefile
@@ -0,0 +1,42 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright (c) 2012, Joyent, Inc. All rights reserved
+#
+
+SUBDIRS=	hlcfg mount
+
+all:=		TARGET= all
+install:=	TARGET= install
+clean:=		TARGET= clean
+clobber:=	TARGET= clobber
+lint:=		TARGET= lint
+
+.KEEP_STATE:
+
+.PARALLEL:	$(SUBDIRS)
+
+all install clean clobber lint: $(SUBDIRS)
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
diff --git a/usr/src/cmd/fs.d/hyprlofs/hlcfg/Makefile b/usr/src/cmd/fs.d/hyprlofs/hlcfg/Makefile
new file mode 100644
index 0000000000..d2ae22e9fd
--- /dev/null
+++ b/usr/src/cmd/fs.d/hyprlofs/hlcfg/Makefile
@@ -0,0 +1,30 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2012, Joyent, Inc.  All rights reserved.
+#
+
+FSTYPE=		hyprlofs
+LIBPROG=	hlcfg
+
+include		../../Makefile.fstype
+include		../../Makefile.mount
+include		../../Makefile.mount.targ
diff --git a/usr/src/cmd/fs.d/hyprlofs/hlcfg/hlcfg.c b/usr/src/cmd/fs.d/hyprlofs/hlcfg/hlcfg.c
new file mode 100644
index 0000000000..16e8e32b1c
--- /dev/null
+++ b/usr/src/cmd/fs.d/hyprlofs/hlcfg/hlcfg.c
@@ -0,0 +1,244 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2012, Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * This is a simple test program to exercise the hyprlofs ioctls.  This is
+ * not designed as a full featured CLI and only does minimal error checking
+ * and reporting.
+ */
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <libgen.h>
+#include <strings.h>
+#include <sys/errno.h>
+#include <sys/fs/hyprlofs.h>
+
+extern int errno;
+
+char *usage =	"usage: <fs path> add [<file name> <alias>]+\n"
+		"       <fs path> addl [<file name>]+\n"
+		"       <fs path> rm [<alias>]+\n"
+		"       <fs path> clear"
+		"       <fs path> get";
+
+typedef enum {
+	CMD_ADD,
+	CMD_RM,
+	CMD_CLR,
+	CMD_ADDL,
+	CMD_GET
+} cmd_t;
+
+static int
+get_entries(int fd)
+{
+	int err;
+	int i;
+	hyprlofs_curr_entries_t e;
+	hyprlofs_curr_entry_t *ep;
+
+	e.hce_cnt = 0;
+	e.hce_entries = NULL;
+
+	err = ioctl(fd, HYPRLOFS_GET_ENTRIES, &e);
+	if (err != 0 && errno != E2BIG) {
+		perror("ioctl");
+		return (1);
+	}
+
+	if (err == 0) {
+		(void) printf("success, but no entries\n");
+		return (0);
+	}
+
+	/*
+	 * E2BIG is what we expect when there are existing mappings
+	 * since the current cnt is still returned in that case.
+	 */
+	(void) printf("cnt: %d\n", e.hce_cnt);
+
+	/* alloc array and call again, then print array */
+	if ((ep = (hyprlofs_curr_entry_t *)
+	    malloc(sizeof (hyprlofs_curr_entry_t) * e.hce_cnt)) == NULL) {
+		(void) fprintf(stderr, "out of memory\n");
+		exit(1);
+	}
+
+	e.hce_entries = ep;
+	errno = 0;
+	if (ioctl(fd, HYPRLOFS_GET_ENTRIES, &e) != 0) {
+		/*
+		 * Not handling an increase here. We would need to free and
+		 * start over to do that, but ok for a test program.
+		 */
+		perror("ioctl");
+		free(ep);
+		return (1);
+	}
+	for (i = 0; i < e.hce_cnt; i++)
+		(void) printf("%s %s\n", ep[i].hce_path, ep[i].hce_name);
+
+	free(ep);
+	return (0);
+}
+
+int
+main(int argc, char **argv)
+{
+	int i, ap;
+	cmd_t cmd;
+	int cnt = 0;
+	int fd;
+	int rv = 0;
+	hyprlofs_entry_t *e = NULL;
+	hyprlofs_entries_t ents;
+
+	if (argc < 3) {
+		(void) fprintf(stderr, "%s\n", usage);
+		exit(1);
+	}
+
+	if ((fd = open(argv[1], O_RDONLY)) < 0) {
+		perror("can't open hyprlofs mount");
+		exit(1);
+	}
+
+	if (strcmp(argv[2], "add") == 0) {
+		cmd = CMD_ADD;
+	} else if (strcmp(argv[2], "rm") == 0) {
+		cmd = CMD_RM;
+	} else if (strcmp(argv[2], "clear") == 0) {
+		cmd = CMD_CLR;
+	} else if (strcmp(argv[2], "addl") == 0) {
+		cmd = CMD_ADDL;
+	} else if (strcmp(argv[2], "get") == 0) {
+		cmd = CMD_GET;
+	} else {
+		(void) fprintf(stderr, "%s\n", usage);
+		exit(1);
+	}
+
+	/* Count up the number of parameters. The arg format varies w/ cmd */
+	switch (cmd) {
+	case CMD_ADD:
+		for (i = 3; i < argc; i++) {
+			/* argv[i] is the file path */
+
+			/* The next arg is the alias */
+			if (++i >= argc) {
+				(void) fprintf(stderr, "missing alias for %s\n",
+				    argv[i - 1]);
+				exit(1);
+			}
+
+			cnt++;
+		}
+		break;
+	case CMD_ADDL:
+		cnt = argc - 3;
+		break;
+	case CMD_RM:
+		cnt = argc - 3;
+		break;
+	case CMD_CLR:	/*FALLTHRU*/
+	case CMD_GET:
+		if (argc > 3) {
+			(void) fprintf(stderr, "%s\n", usage);
+			exit(1);
+		}
+		break;
+	}
+
+	if (cnt > 0) {
+		if ((e = (hyprlofs_entry_t *)malloc(sizeof (hyprlofs_entry_t) *
+		    cnt)) == NULL) {
+			(void) fprintf(stderr, "out of memory\n");
+			exit(1);
+		}
+	}
+
+	/*
+	 * Format up the args.
+	 * We only setup the path member for the add cmd.
+	 * We won't run this loop for the clear cmd.
+	 * The addl command is special since we use basename to get the alias.
+	 */
+	for (i = 0, ap = 3; i < cnt; i++, ap++) {
+		if (cmd == CMD_ADDL) {
+			e[i].hle_path = argv[ap];
+			e[i].hle_plen = strlen(e[i].hle_path);
+
+			e[i].hle_name = basename(argv[ap]);
+			e[i].hle_nlen = strlen(e[i].hle_name);
+
+			continue;
+		}
+
+		if (cmd == CMD_ADD) {
+			e[i].hle_path = argv[ap++];
+			e[i].hle_plen = strlen(e[i].hle_path);
+		}
+
+		e[i].hle_name = argv[ap];
+		e[i].hle_nlen = strlen(e[i].hle_name);
+	}
+
+	ents.hle_entries = e;
+	ents.hle_len = cnt;
+
+	switch (cmd) {
+	case CMD_ADD:	/*FALLTHRU*/
+	case CMD_ADDL:
+		if (ioctl(fd, HYPRLOFS_ADD_ENTRIES, &ents) < 0)  {
+			perror("ioctl");
+			rv = 1;
+		}
+		break;
+	case CMD_RM:
+		if (ioctl(fd, HYPRLOFS_RM_ENTRIES, &ents) < 0)  {
+			perror("ioctl");
+			rv = 1;
+		}
+		break;
+	case CMD_CLR:
+		if (ioctl(fd, HYPRLOFS_RM_ALL) < 0)  {
+			perror("ioctl");
+			rv = 1;
+		}
+		break;
+	case CMD_GET:
+		rv = get_entries(fd);
+		break;
+	}
+
+	(void) close(fd);
+	if (cnt > 0)
+		free(e);
+	return (rv);
+}
diff --git a/usr/src/cmd/fs.d/hyprlofs/mount/Makefile b/usr/src/cmd/fs.d/hyprlofs/mount/Makefile
new file mode 100644
index 0000000000..a0b63d211c
--- /dev/null
+++ b/usr/src/cmd/fs.d/hyprlofs/mount/Makefile
@@ -0,0 +1,31 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2012 Joyent, Inc.  All rights reserved.
+#
+
+FSTYPE=		hyprlofs
+LIBPROG=	mount
+
+include		../../Makefile.fstype
+include		../../Makefile.mount
+include		../../Makefile.mount.targ
diff --git a/usr/src/cmd/fs.d/hyprlofs/mount/mount.c b/usr/src/cmd/fs.d/hyprlofs/mount/mount.c
new file mode 100644
index 0000000000..a95c9ca3c2
--- /dev/null
+++ b/usr/src/cmd/fs.d/hyprlofs/mount/mount.c
@@ -0,0 +1,148 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2012 Joyent, Inc.  All rights reserved.
+ */
+
+#define	HLFS
+#define	MNTTYPE_HYFS "hyprlofs"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libintl.h>
+#include <errno.h>
+#include <sys/fstyp.h>
+#include <sys/fsid.h>
+#include <sys/mntent.h>
+#include <sys/mnttab.h>
+#include <sys/mount.h>
+#include <sys/signal.h>
+#include <sys/stat.h>
+#include <fslib.h>
+
+#define	RET_OK		0
+/*
+ * /sbin/mount and the fs-local method understand this exit code to
+ * mean that all the mount failures were related to hyprlofs mounts. Since
+ * this program only attempts to mount hyfs file systems, when it fails
+ * it returns this exit status.
+ */
+#define	RET_ERR		111
+
+static void usage(void);
+
+static char  optbuf[MAX_MNTOPT_STR] = { '\0', };
+static int   optsize = 0;
+
+static char fstype[] = MNTTYPE_HYFS;
+
+/*
+ * usage: mount [-Ormq] [-o options] special mountp
+ *
+ * This mount program is exec'ed by /usr/sbin/mount if '-F hyprlofs' is
+ * specified.
+ */
+int
+main(int argc, char *argv[])
+{
+	int c;
+	char *special;		/* Entity being mounted */
+	char *mountp;		/* Entity being mounted on */
+	char *savedoptbuf;
+	char *myname;
+	char typename[64];
+	int flags = 0;
+	int errflag = 0;
+	int qflg = 0;
+
+	myname = strrchr(argv[0], '/');
+	myname = myname ? myname+1 : argv[0];
+	(void) snprintf(typename, sizeof (typename), "%s %s", fstype, myname);
+	argv[0] = typename;
+
+	while ((c = getopt(argc, argv, "o:rmOq")) != EOF) {
+		switch (c) {
+		case '?':
+			errflag++;
+			break;
+
+		case 'o':
+			if (strlcpy(optbuf, optarg, sizeof (optbuf)) >=
+			    sizeof (optbuf)) {
+				(void) fprintf(stderr,
+				    gettext("%s: Invalid argument: %s\n"),
+				    myname, optarg);
+				return (2);
+			}
+			optsize = strlen(optbuf);
+			break;
+		case 'O':
+			flags |= MS_OVERLAY;
+			break;
+		case 'r':
+			flags |= MS_RDONLY;
+			break;
+
+		case 'm':
+			flags |= MS_NOMNTTAB;
+			break;
+
+		case 'q':
+			qflg = 1;
+			break;
+
+		default:
+			usage();
+		}
+	}
+	if ((argc - optind != 2) || errflag) {
+		usage();
+	}
+	special = argv[argc - 2];
+	mountp = argv[argc - 1];
+
+	if ((savedoptbuf = strdup(optbuf)) == NULL) {
+		(void) fprintf(stderr, gettext("%s: out of memory\n"),
+		    myname);
+		exit(2);
+	}
+	if (mount(special, mountp, flags | MS_OPTIONSTR, fstype, NULL, 0,
+	    optbuf, MAX_MNTOPT_STR)) {
+		(void) fprintf(stderr, "mount: ");
+		perror(special);
+		exit(RET_ERR);
+	}
+	if (optsize && !qflg)
+		cmp_requested_to_actual_options(savedoptbuf, optbuf,
+		    special, mountp);
+	return (0);
+}
+
+void
+usage(void)
+{
+	(void) fprintf(stderr,
+	    "Usage: mount [-Ormq] [-o options] special mountpoint\n");
+	exit(RET_ERR);
+}
diff --git a/usr/src/cmd/fs.d/lxproc/Makefile b/usr/src/cmd/fs.d/lxproc/Makefile
new file mode 100644
index 0000000000..77075ef1dd
--- /dev/null
+++ b/usr/src/cmd/fs.d/lxproc/Makefile
@@ -0,0 +1,32 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+FSTYPE=		lxproc
+LIBPROG=	mount
+
+include		../Makefile.fstype
+include		../Makefile.mount
+include		../Makefile.mount.targ
diff --git a/usr/src/cmd/fs.d/lxproc/mount.c b/usr/src/cmd/fs.d/lxproc/mount.c
new file mode 100644
index 0000000000..5a000997bd
--- /dev/null
+++ b/usr/src/cmd/fs.d/lxproc/mount.c
@@ -0,0 +1,140 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2012 Joyent, Inc.  All rights reserved.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libintl.h>
+#include <errno.h>
+#include <sys/fstyp.h>
+#include <sys/fsid.h>
+#include <sys/mntent.h>
+#include <sys/mnttab.h>
+#include <sys/mount.h>
+#include <sys/signal.h>
+#include <sys/stat.h>
+#include <fslib.h>
+
+#define	RET_OK		0
+#define	RET_ERR		33
+
+static void usage(void);
+
+static char  optbuf[MAX_MNTOPT_STR] = { '\0', };
+static int   optsize = 0;
+
+static char fstype[] = "lxproc";
+
+/*
+ * usage: mount [-Ormq] [-o options] special mountp
+ *
+ * This mount program is exec'ed by /usr/sbin/mount if '-F lxproc' is
+ * specified.
+ */
+int
+main(int argc, char *argv[])
+{
+	int c;
+	char *special;		/* Entity being mounted */
+	char *mountp;		/* Entity being mounted on */
+	char *savedoptbuf;
+	char *myname;
+	char typename[64];
+	int flags = 0;
+	int errflag = 0;
+	int qflg = 0;
+
+	myname = strrchr(argv[0], '/');
+	myname = myname ? myname+1 : argv[0];
+	(void) snprintf(typename, sizeof (typename), "%s %s", fstype, myname);
+	argv[0] = typename;
+
+	while ((c = getopt(argc, argv, "o:rmOq")) != EOF) {
+		switch (c) {
+		case '?':
+			errflag++;
+			break;
+
+		case 'o':
+			if (strlcpy(optbuf, optarg, sizeof (optbuf)) >=
+			    sizeof (optbuf)) {
+				(void) fprintf(stderr,
+				    gettext("%s: Invalid argument: %s\n"),
+				    myname, optarg);
+				return (2);
+			}
+			optsize = strlen(optbuf);
+			break;
+		case 'O':
+			flags |= MS_OVERLAY;
+			break;
+		case 'r':
+			flags |= MS_RDONLY;
+			break;
+
+		case 'm':
+			flags |= MS_NOMNTTAB;
+			break;
+
+		case 'q':
+			qflg = 1;
+			break;
+
+		default:
+			usage();
+		}
+	}
+	if ((argc - optind != 2) || errflag) {
+		usage();
+	}
+	special = argv[argc - 2];
+	mountp = argv[argc - 1];
+
+	if ((savedoptbuf = strdup(optbuf)) == NULL) {
+		(void) fprintf(stderr, gettext("%s: out of memory\n"),
+		    myname);
+		exit(2);
+	}
+	if (mount(special, mountp, flags | MS_OPTIONSTR, fstype, NULL, 0,
+	    optbuf, MAX_MNTOPT_STR)) {
+		(void) fprintf(stderr, "mount: ");
+		perror(special);
+		exit(RET_ERR);
+	}
+	if (optsize && !qflg)
+		cmp_requested_to_actual_options(savedoptbuf, optbuf,
+		    special, mountp);
+	return (0);
+}
+
+void
+usage(void)
+{
+	(void) fprintf(stderr,
+	    "Usage: mount [-Ormq] [-o options] special mountpoint\n");
+	exit(RET_ERR);
+}
diff --git a/usr/src/cmd/fs.d/nfs/lib/smfcfg.c b/usr/src/cmd/fs.d/nfs/lib/smfcfg.c
index ba2420362a..b79fff4125 100644
--- a/usr/src/cmd/fs.d/nfs/lib/smfcfg.c
+++ b/usr/src/cmd/fs.d/nfs/lib/smfcfg.c
@@ -22,6 +22,7 @@
 /*
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
 #include <stdio.h>
 #include <stdlib.h>
@@ -344,8 +345,23 @@ fs_smf_get_prop(smf_fstype_t fstype, char *prop_name, char *cbuf,
 	} else {
 		ret = scf_error();
 	}
-	if ((ret != 0) && scf_error() != SCF_ERROR_NONE)
-		fprintf(stdout, gettext("%s\n"), scf_strerror(ret));
+	if ((ret != 0) && scf_error() != SCF_ERROR_NONE) {
+		/*
+		 * This is a workaround for the NFS service manifests not
+		 * containing the proper properties in local zones.
+		 *
+		 * When in a local zone and the property doesn't exist on an NFS
+		 * service (most likely nfs/server or nfs/client), don't print
+		 * the error.  The caller will still see the correct error code,
+		 * but a user creating a delegated dataset or mounting an NFS
+		 * share won't see this spurious error.
+		 */
+		if (getzoneid() == GLOBAL_ZONEID ||
+		    scf_error() != SCF_ERROR_NOT_FOUND) {
+			fprintf(stdout, gettext("%s\n"), scf_strerror(ret));
+		}
+	}
+
 out:
 	fs_smf_fini(phandle);
 	return (ret);
diff --git a/usr/src/cmd/fs.d/nfs/lib/smfcfg.h b/usr/src/cmd/fs.d/nfs/lib/smfcfg.h
index c06327d801..f0b70907aa 100644
--- a/usr/src/cmd/fs.d/nfs/lib/smfcfg.h
+++ b/usr/src/cmd/fs.d/nfs/lib/smfcfg.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
 
 #ifndef	_SMFCFG_H
@@ -42,6 +43,7 @@
 #include <locale.h>
 #include <errno.h>
 #include <sys/types.h>
+#include <zone.h>
 
 #ifdef	__cplusplus
 extern	"C" {
diff --git a/usr/src/cmd/fs.d/nfs/mount/Makefile b/usr/src/cmd/fs.d/nfs/mount/Makefile
index dad33922a3..c2485208a8 100644
--- a/usr/src/cmd/fs.d/nfs/mount/Makefile
+++ b/usr/src/cmd/fs.d/nfs/mount/Makefile
@@ -19,18 +19,12 @@
 # CDDL HEADER END
 #
 # Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2014, Joyent, Inc. All rights reserved.
 #
 # cmd/fs.d/nfs/mount/Makefile
 
 FSTYPE=		nfs
 LIBPROG=	mount
-ROOTFS_PROG=	$(LIBPROG)
-
-# duplicate ROOTLIBFSTYPE value needed for installation rule
-# we must define this before including Makefile.fstype
-ROOTLIBFSTYPE = $(ROOT)/usr/lib/fs/$(FSTYPE)
-$(ROOTLIBFSTYPE)/%:	$(ROOTLIBFSTYPE) %
-	$(RM) $@; $(SYMLINK) ../../../../etc/fs/$(FSTYPE)/$(LIBPROG) $@
 
 include		../../Makefile.fstype
 
@@ -65,7 +59,7 @@ CLOBBERFILES	+= $(LIBPROG)
 
 .KEEP_STATE:
 
-all:	$(ROOTFS_PROG)
+all:	$(LIBPROG)
 
 $(LIBPROG):	webnfs.h $(OBJS)
 		$(LINK.c) -o $@ $(OBJS) $(LDLIBS)
@@ -114,7 +108,9 @@ $(POFILE): $(SRCS)
 	sed "/^domain/d"        messages.po     > $@
 	$(RM) $(POFILE).i messages.po
 
-install:	$(ROOTETCPROG)
+install: all $(FSTYPEPROG)
+	$(RM) $(ROOTETCPROG)
+	$(SYMLINK) ../../../usr/lib/fs/$(FSTYPE)/$(LIBPROG) $(ROOTETCPROG)
 
 lint:	webnfs.h webnfs_xdr.c webnfs_client.c lint_SRCS
 
diff --git a/usr/src/cmd/fs.d/nfs/mount/mount.c b/usr/src/cmd/fs.d/nfs/mount/mount.c
index c228a91d05..b3b255d098 100644
--- a/usr/src/cmd/fs.d/nfs/mount/mount.c
+++ b/usr/src/cmd/fs.d/nfs/mount/mount.c
@@ -2104,7 +2104,7 @@ get_fh(struct nfs_args *args, char *fshost, char *fspath, int *versp,
 	}
 
 	while ((cl = clnt_create_vers(fshost, MOUNTPROG, &outvers,
-	    vers_min, vers_to_try, "datagram_v")) == NULL) {
+	    vers_min, vers_to_try, NULL)) == NULL) {
 		if (rpc_createerr.cf_stat == RPC_UNKNOWNHOST) {
 			pr_err(gettext("%s: %s\n"), fshost,
 			    clnt_spcreateerror(""));
diff --git a/usr/src/cmd/fs.d/nfs/mountd/mountd.c b/usr/src/cmd/fs.d/nfs/mountd/mountd.c
index 0d9ac76d30..666ad427d5 100644
--- a/usr/src/cmd/fs.d/nfs/mountd/mountd.c
+++ b/usr/src/cmd/fs.d/nfs/mountd/mountd.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2012 Joyent, Inc. All rights reserved.
  */
 
 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
@@ -419,6 +420,13 @@ main(int argc, char *argv[])
 		exit(1);
 	}
 
+	/* Mountd cannot run in a non-global zone. */
+	if (getzoneid() != GLOBAL_ZONEID) {
+		(void) fprintf(stderr, "%s: can only run in the global zone\n",
+		    argv[0]);
+		exit(1);
+	}
+
 	if (getrlimit(RLIMIT_NOFILE, &rl) != 0) {
 		syslog(LOG_ERR, "getrlimit failed");
 	} else {
diff --git a/usr/src/cmd/fs.d/nfs/nfsd/nfsd.c b/usr/src/cmd/fs.d/nfs/nfsd/nfsd.c
index 6c0e0bda5e..c34c39a13e 100644
--- a/usr/src/cmd/fs.d/nfs/nfsd/nfsd.c
+++ b/usr/src/cmd/fs.d/nfs/nfsd/nfsd.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T		*/
@@ -176,6 +177,13 @@ main(int ac, char *av[])
 		exit(1);
 	}
 
+	/* Nfsd cannot run in a non-global zone. */
+	if (getzoneid() != GLOBAL_ZONEID) {
+		(void) fprintf(stderr, "%s: can only run in the global zone\n",
+		    av[0]);
+		exit(1);
+	}
+
 	(void) enable_extended_FILE_stdio(-1, -1);
 
 	/*
diff --git a/usr/src/cmd/fs.d/nfs/svc/nfs-server b/usr/src/cmd/fs.d/nfs/svc/nfs-server
index b0c6d155a5..8542ce9b9f 100644
--- a/usr/src/cmd/fs.d/nfs/svc/nfs-server
+++ b/usr/src/cmd/fs.d/nfs/svc/nfs-server
@@ -50,13 +50,13 @@ configure_ipfilter()
 
         #
 	# Nothing to do if:
+	# - service's policy is 'use_global'
         # - ipfilter isn't online 
 	# - global policy is 'custom'
-	# - service's policy is 'use_global'
         #
+	[ "`get_policy $SMF_FMRI`" = "use_global" ] && return 0
         service_check_state $IPF_FMRI $SMF_ONLINE || return 0
         [ "`get_global_def_policy`" = "custom" ] && return 0
-	[ "`get_policy $SMF_FMRI`" = "use_global" ] && return 0
 
 	svcadm restart $IPF_FMRI
 }
diff --git a/usr/src/cmd/fs.d/nfs/umount/umount.c b/usr/src/cmd/fs.d/nfs/umount/umount.c
index aabdc8a592..66d280bcdb 100644
--- a/usr/src/cmd/fs.d/nfs/umount/umount.c
+++ b/usr/src/cmd/fs.d/nfs/umount/umount.c
@@ -297,7 +297,7 @@ retry:
 		 */
 		timep = (quick ? &create_timeout : NULL);
 		cl = clnt_create_timed(list[i].host, MOUNTPROG, vers,
-		    "datagram_n", timep);
+		    NULL, timep);
 		/*
 		 * Do not print any error messages in case of forced
 		 * unmount.
diff --git a/usr/src/cmd/halt/halt.c b/usr/src/cmd/halt/halt.c
index 36867c88dc..3b57e02c64 100644
--- a/usr/src/cmd/halt/halt.c
+++ b/usr/src/cmd/halt/halt.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
  */
 /*
  * Copyright (c) 2013, Joyent, Inc. All rights reserved.
@@ -1236,6 +1237,17 @@ do_archives_update(int do_fast_reboot)
 	pid_t	pid;
 	char	*cmd_argv[MAXARGS];
 
+#if defined(__i386)
+	{
+		/*
+		 * bootadm will complain and exit if not a grub root, so
+		 * just skip running it.
+		 */
+		struct stat sb;
+		if (stat("/boot/grub/stage2", &sb) == -1)
+			return;
+	}
+#endif	/* __i386 */
 
 	cmd_argv[i++] = "/sbin/bootadm";
 	cmd_argv[i++] = "-ea";
@@ -1300,7 +1312,7 @@ main(int argc, char *argv[])
 		optstring = "dlnqfp";
 		usage = gettext("usage: %s [ -dlnq(p|f) ] [ boot args ]\n");
 #endif
-		cmd = A_SHUTDOWN;
+		cmd = A_REBOOT;
 		fcn = AD_BOOT;
 	} else {
 		(void) fprintf(stderr,
@@ -1498,7 +1510,8 @@ main(int argc, char *argv[])
 	 * check_zone_haltedness later on.
 	 */
 	if (zoneid == GLOBAL_ZONEID && cmd != A_DUMP) {
-		need_check_zones = halt_zones();
+		if (!qflag)
+			need_check_zones = halt_zones();
 	}
 
 #if defined(__i386)
@@ -1598,7 +1611,7 @@ main(int argc, char *argv[])
 
 	(void) signal(SIGINT, SIG_IGN);
 
-	if (!qflag && !nosync) {
+	if (!nosync) {
 		struct utmpx wtmpx;
 
 		bzero(&wtmpx, sizeof (struct utmpx));
diff --git a/usr/src/cmd/ibd_upgrade/ibd_delete_link.c b/usr/src/cmd/ibd_upgrade/ibd_delete_link.c
index b9d10a56cd..f63630207d 100644
--- a/usr/src/cmd/ibd_upgrade/ibd_delete_link.c
+++ b/usr/src/cmd/ibd_upgrade/ibd_delete_link.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent Inc. All rights reserved.
  */
 
 #include <stdio.h>
@@ -86,6 +87,7 @@ ibd_delete_link(dladm_handle_t dlh, char *link)
 
 	getlinkid.ld_cmd = DLMGMT_CMD_GETLINKID;
 	(void) strlcpy(getlinkid.ld_link, link, MAXLINKNAMELEN);
+	getlinkid.ld_zoneid = -1;
 
 	if ((status = ibd_dladm_door_call(dlh, &getlinkid, sizeof (getlinkid),
 	    &retval, sizeof (retval))) != DLADM_STATUS_OK) {
diff --git a/usr/src/cmd/init/Makefile b/usr/src/cmd/init/Makefile
index a867a0e780..b4b857882b 100644
--- a/usr/src/cmd/init/Makefile
+++ b/usr/src/cmd/init/Makefile
@@ -25,11 +25,13 @@
 #
 
 PROG= init 
+OBJS= init.o
 ROOTFS_PROG= $(PROG)
 
 DEFAULTFILES= init.dfl
 
 include ../Makefile.cmd
+include ../Makefile.ctf
 
 LDLIBS += -lpam -lbsm -lcontract -lscf
 CERRWARN += -_gcc=-Wno-parentheses
@@ -41,6 +43,10 @@ CLOBBERFILES= $(STATIC)
 
 all: $(ROOTFS_PROG)
 
+$(ROOTFS_PROG): $(OBJS)
+	$(LINK.c) -o $@ $(OBJS) $(LDLIBS)
+	$(POST_PROCESS)
+
 install: all $(ROOTETCDEFAULTFILES) $(ROOTSBINPROG)
 	$(RM) $(ROOTETCPROG)
 	$(RM) $(ROOTUSRSBINPROG)
@@ -58,4 +64,8 @@ clean:
 
 lint:	lint_PROG
 
+%.o: %.c
+	$(COMPILE.c) $<
+	$(POST_PROCESS_O)
+
 include ../Makefile.targ
diff --git a/usr/src/cmd/init/init.c b/usr/src/cmd/init/init.c
index 031a053b65..f6f8bccdbb 100644
--- a/usr/src/cmd/init/init.c
+++ b/usr/src/cmd/init/init.c
@@ -23,6 +23,7 @@
  * Copyright (c) 2013 Gary Mills
  *
  * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, Joyent, Inc. All rights reserved.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -144,6 +145,8 @@
 #define	UT_USER_SZ	32	/* Size of a utmpx ut_user field */
 #define	UT_LINE_SZ	32	/* Size of a utmpx ut_line field */
 
+#define	CHECK_SVC	SCF_INSTANCE_FS_MINIMAL
+
 /*
  * SLEEPTIME	The number of seconds "init" sleeps between wakeups if
  *		nothing else requires this "init" wakeup.
@@ -696,9 +699,8 @@ main(int argc, char *argv[])
 		console(B_FALSE,
 		    "\n\n%s Release %s Version %s %d-bit\r\n",
 		    un.sysname, un.release, un.version, bits);
-		console(B_FALSE,
-		    "Copyright (c) 1983, 2010, Oracle and/or its affiliates."
-		    " All rights reserved.\r\n");
+		console(B_FALSE, "Copyright (c) 2010-2012, "
+		    "Joyent Inc. All rights reserved.\r\n");
 	}
 
 	/*
@@ -3509,6 +3511,28 @@ bail:
 }
 
 /*
+ * Attempt to confirm that svc.startd is ready to accept a user-initiated
+ * run-level change. startd is not ready until it has started its
+ * _scf_notify_wait thread to watch for events from svc.configd. This is
+ * inherently racy. To workaround this, we check the status of a file that
+ * startd will create once it has started the _scf_notify_wait thread.
+ * If we don't see this file after one minute, then charge ahead.
+ */
+static void
+verify_startd_ready()
+{
+	struct stat64 buf;
+	int i;
+
+	for (i = 0; i < 60; i++) {
+		if (stat64("/etc/svc/volatile/startd.ready", &buf) == 0)
+			return;
+		sleep(1);
+	}
+	console(B_TRUE, "verify startd timeout\n");
+}
+
+/*
  * Function to handle requests from users to main init running as process 1.
  */
 static void
@@ -3596,6 +3620,12 @@ userinit(int argc, char **argv)
 	(void) audit_put_record(ADT_SUCCESS, ADT_SUCCESS, argv[1]);
 
 	/*
+	 * Before we tell init to start a run-level change, we need to be
+	 * sure svc.startd is ready to accept that.
+	 */
+	verify_startd_ready();
+
+	/*
 	 * Signal init; init will take care of telling svc.startd.
 	 */
 	if (kill(init_pid, init_signal) == FAILURE) {
@@ -4305,9 +4335,7 @@ contract_event(struct pollfd *poll)
 		if (ret == 0) {
 			if (cookie == STARTD_COOKIE &&
 			    do_restart_startd) {
-				if (smf_debug)
-					console(B_TRUE, "Restarting "
-					    "svc.startd.\n");
+				console(B_TRUE, "Restarting svc.startd.\n");
 
 				/*
 				 * Account for the failure.  If the failure rate
diff --git a/usr/src/cmd/initpkg/mountall.sh b/usr/src/cmd/initpkg/mountall.sh
index 56f2798e18..38693dd8da 100644
--- a/usr/src/cmd/initpkg/mountall.sh
+++ b/usr/src/cmd/initpkg/mountall.sh
@@ -28,6 +28,8 @@
 #	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
 #	  All Rights Reserved
 #
+# Copyright (c) 2012, Joyent, Inc. All rights reserved.
+#
 
 usage () {
 	if [ -n "$1" ]; then
@@ -148,6 +150,9 @@ isremote() {
 # Get list of remote FS types (just once)
 RemoteFSTypes=`while read t junk; do echo $t; done < /etc/dfs/fstypes`
 
+# Ensure nfs/smbfs are remote FS types even if not delivered from fstypes
+isremote "nfs" || set -A RemoteFSTypes "nfs"
+isremote "smbfs" || set -A RemoteFSTypes "smbfs"
 
 #
 # Process command line args
diff --git a/usr/src/cmd/initpkg/shutdown.sh b/usr/src/cmd/initpkg/shutdown.sh
index e65224c632..820d50310c 100644
--- a/usr/src/cmd/initpkg/shutdown.sh
+++ b/usr/src/cmd/initpkg/shutdown.sh
@@ -41,7 +41,7 @@ usage() {
 }
 
 notify() {
-	/usr/sbin/wall -a <<-!
+	/usr/sbin/wall -Za <<-!
 	$*
 	!
 	if [ -x /usr/sbin/showmount -a -x /usr/sbin/rwall ]
diff --git a/usr/src/cmd/initpkg/umountall.sh b/usr/src/cmd/initpkg/umountall.sh
index c9a94fd8f1..4a45e19e18 100644
--- a/usr/src/cmd/initpkg/umountall.sh
+++ b/usr/src/cmd/initpkg/umountall.sh
@@ -25,6 +25,7 @@
 #	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
 #	  All Rights Reserved
 #
+# Copyright (c) 2012, Joyent, Inc. All rights reserved.
 #
 
 usage () {
@@ -98,6 +99,9 @@ isremote() {
 # Get list of remote FS types (just once)
 RemoteFSTypes=`while read t junk; do echo $t; done < /etc/dfs/fstypes`
 
+# Ensure nfs/smbfs are remote FS types even if not delivered from fstypes
+isremote "nfs" || set -A RemoteFSTypes "nfs"
+isremote "smbfs" || set -A RemoteFSTypes "smbfs"
 
 #
 # Process command line args
diff --git a/usr/src/cmd/ipf/tools/Makefile.tools b/usr/src/cmd/ipf/tools/Makefile.tools
index 7c1e151762..ce0db79970 100644
--- a/usr/src/cmd/ipf/tools/Makefile.tools
+++ b/usr/src/cmd/ipf/tools/Makefile.tools
@@ -23,7 +23,6 @@
 # Use is subject to license terms.
 #
 # Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
-#
 # Copyright (c) 2012, Joyent Inc. All rights reserved.
 #
 
diff --git a/usr/src/cmd/ipf/tools/ipfstat.c b/usr/src/cmd/ipf/tools/ipfstat.c
index fd39556465..f50b722bde 100644
--- a/usr/src/cmd/ipf/tools/ipfstat.c
+++ b/usr/src/cmd/ipf/tools/ipfstat.c
@@ -165,6 +165,10 @@ static	int	sort_dstip __P((const void *, const void *));
 static	int	sort_dstpt __P((const void *, const void *));
 #endif
 
+#if SOLARIS
+#include "ipfzone.h"
+#endif
+
 
 static void usage(name)
 char *name;
diff --git a/usr/src/cmd/krb5/kadmin/Makefile b/usr/src/cmd/krb5/kadmin/Makefile
index de893f05a4..8d0dbdc93f 100644
--- a/usr/src/cmd/krb5/kadmin/Makefile
+++ b/usr/src/cmd/krb5/kadmin/Makefile
@@ -25,7 +25,7 @@
 
 include ../../Makefile.cmd
 
-SUBDIRS= cli dbutil ktutil kpasswd server kclient kdcmgr gui
+SUBDIRS= cli dbutil ktutil kpasswd server kclient kdcmgr
 
 all :=		TARGET= all
 clean :=	TARGET= clean
diff --git a/usr/src/cmd/ksh/Makefile.com b/usr/src/cmd/ksh/Makefile.com
index 8716f4eb9d..e5615cb407 100644
--- a/usr/src/cmd/ksh/Makefile.com
+++ b/usr/src/cmd/ksh/Makefile.com
@@ -36,11 +36,13 @@ LIBSHELLBASE=../../../lib/libshell
 LIBSHELLSRC=$(LIBSHELLBASE)/common/sh
 
 SRCS=	$(OBJECTS:%.o=$(LIBSHELLSRC)/%.c)
+OBJS=	$(OBJECTS)
 
 LDLIBS += -lshell
 
 # Set common AST build flags (e.g., needed to support the math stuff).
 include ../../../Makefile.ast
+include ../../Makefile.ctf
 
 # 1. Make sure that the -D/-U defines in CFLAGS below are in sync
 # with usr/src/lib/libshell/Makefile.com
diff --git a/usr/src/cmd/localedef/Makefile b/usr/src/cmd/localedef/Makefile
index 4b012d0c45..ad0a46f5ed 100644
--- a/usr/src/cmd/localedef/Makefile
+++ b/usr/src/cmd/localedef/Makefile
@@ -13,6 +13,7 @@
 # Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
 # Copyright 2011 EveryCity Ltd. All rights reserved.
 # Copyright 2013 DEY Storage Systems, Inc.
+# Copyright 2012 Joyent, Inc.  All rights reserved.
 #
 
 PROG=localedef
@@ -51,13 +52,13 @@ POFILE		= localedef_cmd.po
 
 ISO8859_1_LOCALES	= \
 		da_DK \
-		de_CH \
+		de_CH de_DE \
 		en_AU en_CA en_GB en_NZ en_US \
-		es_AR es_BO es_CL es_CO es_EC es_GT es_MX es_NI es_PA \
+		es_AR es_BO es_CL es_CO es_EC es_ES es_GT es_MX es_NI es_PA \
 		es_PE es_SV es_UY es_VE \
-		fr_CA fr_CH \
+		fr_CA fr_CH fr_FR \
 		is_IS \
-		it_CH \
+		it_CH it_IT \
 		sv_SE
 
 ISO8859_2_LOCALES	= \
@@ -275,8 +276,11 @@ locale/%.UTF-8/stamp:		data/%.UTF-8.src UTF-8.cm \
 	$(SED) '/^LC_CTYPE/,/^END LC_CTYPE/d;$$r UTF-8.ct' $< | \
 		./$(PROG) -U -w data/widths.txt -f UTF-8.cm $(@D)
 	$(TOUCH) $@
+# Convert EURO_SIGN to CURRENCY_SIGN for the ISO8859-1 locales
 locale/%.ISO8859-1/stamp:	data/%.UTF-8.src 8859-1.cm locale $(PROG)
-	./$(PROG) -U -w data/widths.txt -i $< -f 8859-1.cm $(@D)
+	sed 's/EURO_SIGN/CURRENCY_SIGN/' $< > $<.tmp
+	./$(PROG) -U -w data/widths.txt -i $<.tmp -f 8859-1.cm $(@D)
+	rm -f $<.tmp
 	$(TOUCH) $@
 locale/%.ISO8859-2/stamp:	data/%.UTF-8.src 8859-2.cm locale $(PROG)
 	./$(PROG) -U -w data/widths.txt -i $< -f 8859-2.cm $(@D)
diff --git a/usr/src/cmd/lofiadm/main.c b/usr/src/cmd/lofiadm/main.c
index 0740bce1b7..0c32b69323 100644
--- a/usr/src/cmd/lofiadm/main.c
+++ b/usr/src/cmd/lofiadm/main.c
@@ -349,7 +349,8 @@ out:
  * DO NOT use this function if the filename is actually the device name.
  */
 static int
-lofi_map_file(int lfd, struct lofi_ioctl li, const char *filename)
+lofi_map_file(int lfd, struct lofi_ioctl li, const char *filename,
+    boolean_t no_devlink_flag)
 {
 	int	minor;
 
@@ -362,7 +363,8 @@ lofi_map_file(int lfd, struct lofi_ioctl li, const char *filename)
 			    "unsupported"));
 		die(gettext("could not map file %s"), filename);
 	}
-	wait_until_dev_complete(minor);
+	if (!no_devlink_flag)
+		wait_until_dev_complete(minor);
 	return (minor);
 }
 
@@ -372,7 +374,8 @@ lofi_map_file(int lfd, struct lofi_ioctl li, const char *filename)
  */
 static void
 add_mapping(int lfd, const char *devicename, const char *filename,
-    mech_alias_t *cipher, const char *rkey, size_t rksz, boolean_t rdonly)
+    mech_alias_t *cipher, const char *rkey, size_t rksz,
+    boolean_t rdonly, boolean_t no_devlink_flag)
 {
 	struct lofi_ioctl li;
 
@@ -408,7 +411,7 @@ add_mapping(int lfd, const char *devicename, const char *filename,
 		int	minor;
 
 		/* pick one via the driver */
-		minor = lofi_map_file(lfd, li, filename);
+		minor = lofi_map_file(lfd, li, filename, no_devlink_flag);
 		/* if mapping succeeds, print the one picked */
 		(void) printf("/dev/%s/%d\n", LOFI_BLOCK_NAME, minor);
 		return;
@@ -429,7 +432,8 @@ add_mapping(int lfd, const char *devicename, const char *filename,
 		die(gettext("could not map file %s to %s"), filename,
 		    devicename);
 	}
-	wait_until_dev_complete(li.li_minor);
+	if (!no_devlink_flag)
+		wait_until_dev_complete(li.li_minor);
 }
 
 /*
@@ -1311,7 +1315,7 @@ lofi_uncompress(int lfd, const char *filename)
 	if (statbuf.st_size == 0)
 		return;
 
-	minor = lofi_map_file(lfd, li, filename);
+	minor = lofi_map_file(lfd, li, filename, B_FALSE);
 	(void) snprintf(devicename, sizeof (devicename), "/dev/%s/%d",
 	    LOFI_BLOCK_NAME, minor);
 
@@ -1817,6 +1821,7 @@ main(int argc, char *argv[])
 	boolean_t ephflag = B_FALSE;
 	boolean_t compressflag = B_FALSE;
 	boolean_t uncompressflag = B_FALSE;
+	boolean_t no_devlink_flag = B_FALSE;
 	/* the next two work together for -c, -k, -T, -e options only */
 	boolean_t need_crypto = B_FALSE;	/* if any -c, -k, -T, -e */
 	boolean_t cipher_only = B_TRUE;		/* if -c only */
@@ -1832,7 +1837,7 @@ main(int argc, char *argv[])
 	(void) setlocale(LC_ALL, "");
 	(void) textdomain(TEXT_DOMAIN);
 
-	while ((c = getopt(argc, argv, "a:c:Cd:efk:o:rs:T:U")) != EOF) {
+	while ((c = getopt(argc, argv, "a:c:Cd:efk:o:rs:T:UX")) != EOF) {
 		switch (c) {
 		case 'a':
 			addflag = B_TRUE;
@@ -1910,6 +1915,13 @@ main(int argc, char *argv[])
 		case 'U':
 			uncompressflag = B_TRUE;
 			break;
+		case 'X':
+			/*
+			 * Private flag to skip the wait for the /dev links to
+			 * be created.
+			 */
+			no_devlink_flag = B_TRUE;
+			break;
 		case '?':
 		default:
 			errflag = B_TRUE;
@@ -2038,7 +2050,7 @@ main(int argc, char *argv[])
 	 */
 	if (addflag)
 		add_mapping(lfd, devicename, filename, cipher, rkey, rksz,
-		    rdflag);
+		    rdflag, no_devlink_flag);
 	else if (compressflag)
 		lofi_compress(&lfd, filename, compress_index, segsize);
 	else if (uncompressflag)
diff --git a/usr/src/cmd/lp/terminfo/40.ti b/usr/src/cmd/lp/terminfo/40.ti
new file mode 100644
index 0000000000..2e08ece1ca
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/40.ti
@@ -0,0 +1,68 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.4	*/
+
+######################################################################
+#
+# Entries for the AT&T Model 40 line printers
+#
+
+
+
+40-80-6|att40-80-6|AT&T Model 40 line printer 80 cloumn 6 line per inch,
+
+	daisy,
+	bufsz#160,
+	cols#80,
+	lines#66,
+	orc#1,
+	orhi#10,
+	orl#1,
+	orvi#6,
+	cps#400,
+
+	cr=^M,
+	cuf1=\s,
+	ff=^L,
+
+40-80-8|att40-80-8|AT&T Model 40 line printer 80 cloumn 8 line per inch,
+
+	lines#88,
+	orvi#8,
+	use=40-80-6,
+
+40-132-6|att40-132-6|AT&T Model 40 line printer 132 cloumn 6 line per inch,
+
+	bufsz#264,
+	cols#132,
+	use=40-80-6,
+
+40-132-8|att40-132-8|AT&T Model 40 line printer 132 cloumn 8 line per inch,
+
+	lines#88,
+	orvi#8,
+	use=40-132-6,
+
diff --git a/usr/src/cmd/lp/terminfo/44x.ti b/usr/src/cmd/lp/terminfo/44x.ti
new file mode 100644
index 0000000000..d932bf441e
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/44x.ti
@@ -0,0 +1,57 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.1	*/
+
+######################################################################
+#
+# Entries for the AT&T 440 seris line printers
+#
+
+
+442|att442|AT&T 442 line printer, 
+
+	bufsz#2048,
+	cols#132,
+	lines#66,
+	orc#1,
+	orhi#10,
+	orl#1,
+	orvi#6,
+	cps#440,
+
+	cr=^M,
+	cuf1=\s,
+	ff=^L,
+
+444|att444|AT&T 444 line printer, 
+
+	use=442,
+
+446|att446|AT&T 446 line printer, 
+
+	cps#1100,
+	use=442,
+
diff --git a/usr/src/cmd/lp/terminfo/45x.ti b/usr/src/cmd/lp/terminfo/45x.ti
new file mode 100644
index 0000000000..e4a6c5ab92
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/45x.ti
@@ -0,0 +1,42 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.1	*/
+
+######################################################################
+#
+# Entries for the AT&T 455, 457, 459 printers
+#
+
+455|att455|AT&T 455 Daisywheel printer,
+
+	use=Gdaisy+basic,
+
+457|att457|458|att458|AT&T 457 Daisy printer,
+
+	bufsz#1024,
+	use=455,
+
+
diff --git a/usr/src/cmd/lp/terminfo/477.ti b/usr/src/cmd/lp/terminfo/477.ti
new file mode 100644
index 0000000000..51b808b2ce
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/477.ti
@@ -0,0 +1,181 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.7	*/
+
+######################################################################
+#
+# Entries for the AT&T 477 printer
+#
+
+#
+# Basic capabilities (all emulations):
+#
+att477+basic1,
+
+	bufsz#8192,
+	cps#80,
+
+######################################################################
+#
+# Particular printers:
+#
+
+477-470|att477-470|AT&T 477; 470 emulation,
+
+	cols#136,
+	cpix,
+
+	orc#10,
+	orhi#100,
+	orl#30,
+	orvi#180,
+
+	csnm=%?%p1%{0}%=%tamerican%e%p1%{1}%=%tbritish%e%p1%{2}%=%tswedish%e%p1%{3}%=%tgerman%e%p1%{4}%=%tfrench%e%p1%{5}%=%titalian%e%p1%{6}%=%tspanish%;,
+	scs=%?%p1%{0}%=%t\EZ^O@\ED^B@%e%p1%{1}%=%t\EZ^O@\ED^C@%e%p1%{2}%=%t\EZ^O@\ED^E@%e%p1%{3}%=%t\EZ^O@\ED^D@%e%p1%{4}%=%t\EZ^O@\ED^A@%e%p1%{5}%=%t\EZ^O@\ED^F@%e%p1%{6}%=%t\EZ^O@\ED^G@%;,
+
+	use=470,
+
+477ibmc|att477ibmc|AT&T 477 IBM Color printer emulation,
+
+	cols#135,
+
+	orc#15,
+	orhi#150,
+
+	orl#10,
+	orvi#60,
+
+	cvr=%?%p1%{0}%>%p1%{256}%<%&%t\EA%p1%c\E2%;
+
+	cpi=%?%p1%{10}%=%t^R%e%p1%{12}%=%t\E:%e%p1%{17}%=%t^O%;,
+
+
+	smglp=\EX%p1%{1}%+%c%p2%{2}%+%c,
+	smgt=\E4,
+
+
+	use=att477+basic1, use=Gibmc+basic, use=Gibmc+low+5x6,
+	use=Gibmc+color,
+
+477ibmg|att477ibmg|AT&T 477 IBM Graphics printer emulation,
+
+	cols#136,
+
+	orc#10,
+	orhi#100,
+	orl#10,
+	orvi#60,
+
+	is2=\E@,
+
+	smglp=%?%p1%{256}%<%t\El%p1%{1}%+%c,
+	smgrp=%?%p1%{256}%<%t\EQ%p1%{2}%+%c,
+
+
+	use=att477+basic1, use=Gibmg+basic, use=Gibmg+low,
+
+477qume|att477qume|477-455|att477-455|AT&T 477 qume emulation,
+
+
+	cols#136,
+
+
+	is2=\E\rP\EW\E.\EL08\EY,
+
+	use=att477+basic1, use=Gdaisy+basic, use=Gdaisy+lowres,
+
+######################################################################
+#
+# In Fujitsu DPL24C mode. This seems to be more like the Epson LQ-2500
+# than the IBM Proprinter XL.
+#
+
+#
+# Basic capabilities (Fujitsu emulation only):
+#
+att477+basic2,
+
+	orc#18,
+	orhi#180,
+	orl#30,
+	orvi#180,
+
+
+#
+#    The following is not redundant with the cpi capability, because
+#    the cpi changes the character size as well, so that printing
+#    looks balanced, while this leaves the character size alone.
+	chr=%?%p1%{256}%<%t\Eh%p1%c%;,
+
+
+	is2=\E@,
+
+	csnm=%?%p1%{0}%=%tcharacter_set_1%e%p1%{1}%=%tcharacter_set_2%e%p1%{2}%=%tusa%e%p1%{3}%=%tfrench%e%p1%{4}%=%tgerman%e%p1%{5}%=%tuk%e%p1%{6}%=%tdanish%e%p1%{7}%=%tswedish%e%p1%{8}%=%titalian%e%p1%{9}%=%tspanish%;,
+	scs=%?%p1%{0}%=%t\E7%e%p1%{1}%=%t\E6%e%p1%{3}%=%t\ER0%e%p1%{3}%=%t\ER1%e%p1%{4}%=%t\ER2%e%p1%{5}%=%t\ER3%e%p1%{6}%=%t\ER4%e%p1%{7}%=%t\ER5%e%p1%{8}%=%t\ER6%e%p1%{9}%=%t\ER7%;,
+
+
+477-5x6|att477-5x6|AT&T 477 as Fujitsu DPL24C; 5:6 aspect ratio,
+
+	spinh#50,
+
+#   defbi=
+#	Like the defbi for the epson2500, except:
+#	Set the character spacing to pica (1/10 inch or 10 characters
+#	per inch); at 50 dots per inch horizontally this means 5
+#	dots per character.
+#	THIS ASSUMES WE START AT THE TOP OF THE PAGE! (although
+#	maybe not in the first column.)
+	u6=%?%p5%{1}%=%t\E3\030^R\EP\EB%p2%{8}%/%c$<>\ED%p1%{6}%/%c$<>\013\r\t%;,
+
+#
+#	Note that the epson2500 drives a real Epson LQ-2500 at
+#	60 dots per inch horizontally; the same control sequences
+#	drive the Fujitsu DPL24C at 50 dots per inch horixontally.
+	use=att477+basic1, use=att477+basic2, use=Gep2500+basic,
+	use=Gep2500+low, use=Gep2500+color,
+
+477|att477|AT&T 477 as Fujitsu DPL24C; 1:1; low res,
+
+	is1@,
+
+#
+#	This mode differs from the 5x6 mode only in sbim and defbi
+#	(and spinh, of course). However, it is even closer to the
+#	epson2500, so we use that.
+
+	sdrfq=\EH,
+	snlq=\EG,
+	snrmq@,
+
+	sbim=\E*\005%p1%{256}%m%c%p1%{256}%/%c,
+
+	use=att477+basic1, use=att477+basic2, use=Gep2500+basic,
+	use=Gep2500+low, use=Gep2500+color,
+
+477-hi|att477-hi|AT&T 477 as Fujitsu DPL24C; 1:1; high res,
+
+	use=att477+basic1, use=att477+basic2, use=Gep2500+basic,
+	use=Gep2500+high, use=Gep2500+color,
diff --git a/usr/src/cmd/lp/terminfo/47x.ti b/usr/src/cmd/lp/terminfo/47x.ti
new file mode 100644
index 0000000000..a5db8850de
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/47x.ti
@@ -0,0 +1,134 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.2	*/
+
+######################################################################
+#
+# Entries for the AT&T 470, 471, 473, 474, 475, 476, 478, 479 printers
+#
+
+#
+# C.Itoh derived printers:
+#
+
+470|att470|AT&T 470; C.Itoh 8510; 8"; parallel matrix printer,
+
+	bufsz#4096,
+
+	cols#80,
+	cpix,
+
+	sdrfq@,
+	snlq@,
+	snrmq@,
+	ssubm@,
+	ssupm@,
+	rsubm@,
+	rsupm@,
+
+	sgr0=\E"\EY,
+
+# Reset command does not reset form length
+
+	is2=\Ec1\Ev66,
+
+	csnm=%?%p1%{0}%=%tusa%e%p1%{1}%=%tbritish%e%p1%{2}%=%tdanish%e%p1%{3}%=%tjapanese%e%p1%{4}%=%tnorwegian%e%p1%{5}%=%tswedish%e%p1%{6}%=%tgerman%e%p1%{7}%=%tfrench%e%p1%{8}%=%tfrench2%e%p1%{9}%=%titalian%e%p1%{10}%=%tspanish%e%p1%{11}%=%tnetherland%e%p1%{12}%=%tafrikaans%e%p1%{13}%=%tbritish2%;,
+	scs=%?%p1%{0}%=%t\EZ^O@\ED^B@%e%p1%{1}%=%t\EZ^O@\ED^C@%e%p1%{2}%=%t\EZ^O@\ED\b@%e%p1%{3}%=%t\EZ^O@%e%p1%{4}%=%t\EZ^O@\ED\t@%e%p1%{5}%=%t\EZ^O@\ED^E@%e%p1%{6}%=%t\EZ^O@\ED^D@%e%p1%{7}%=%t\EZ^O@\ED^A@%e%p1%{8}%=%t\EZ^O@\ED^N@%e%p1%{9}%=%t\EZ^O@\ED^F@%e%p1%{10}%=%t\EZ^O@\ED^G@%e%p1%{11}%=%t\EZ^O@\ED\n@%e%p1%{12}%=%t\EZ^O@\ED^K@%e%p1%{13}%=%t\ED^O@%;,
+
+
+	use=Gcitoh+basic, use=Gcitoh+low,
+
+471|att471|AT&T 471; C.Itoh 1550; 14"; parallel matrix printer,
+
+	cols#136,
+
+	use=470,
+
+475|att475|AT&T 475; C.Itoh 8510; 8"; serial matrix printer,
+
+	use=470,
+
+476|att476|AT&T 475; C.Itoh 1550; 14"; serial matrix printer,
+
+	use=471,
+
+#
+# IBM derived printers:
+#
+
+473|att473|AT&T 473; 8"; C.Itoh 8510EP; IBM Graphics,
+
+	bufsz#4096,
+	cps#120,
+
+#
+# FIX: The AT&T 473 doesn't seem to have fine-scale horizontal
+# motion--the only motion is by columns.
+	orc#10,
+	orhi#100,
+
+
+
+
+	use=Gibmg+basic, use=Gibmg+low,
+
+474|att474|AT&T 474; 14"; C.Itoh 1550EP; IBM Graphics,
+
+	cols#132,
+
+	use=473,
+
+478|att478|AT&T 478; 8"; parallel matrix printer,
+
+	bufsz#16384,
+	cps#120,
+
+#
+# FIX: The AT&T 478 doesn't seem to have fine-scale horizontal
+# motion--the only motion is by columns.
+	orc#10,
+	orhi#100,
+
+	cpi=%?%p1%{10}%=%t^R%e%p1%{12}%=%t\E:%e%p1%{13}%=%p1%{14}%=%O%t\Eh%e%p1%{16}%=%p1%{17}%=%O%t\Em%e%p1%{18}%=%t^O%;,
+
+	is2=^R\EW0\E-0\E_0\EF\EH\EI\ET\EA\014\E2\ER\El\001\Er\120\Et\001\EC\102\E7\EU0\EO,
+
+	sdrfq=\EI^D,
+	snlq=\EI^B,
+
+	smglp=\El%{1}%p1%+%c,
+	smgrp=\Er%{1}%p1%+%c,
+	smgtp=\Et%{1}%p1%+%c,
+
+	use=Gibmg+basic, use=Gibmg+low,
+
+479|att479|AT&T 479; 14"; IBM parallel; matrix printer,
+
+	cols#132,
+	is2=^R\EW0\E-0\E_0\EF\EH\EI\004\ET\EA\014\E2\ER\El\001\Er\204\Et\001\EC\102\E7\EU0\EO,
+
+
+	use=478,
diff --git a/usr/src/cmd/lp/terminfo/495.ti b/usr/src/cmd/lp/terminfo/495.ti
new file mode 100644
index 0000000000..562c62b6be
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/495.ti
@@ -0,0 +1,78 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.1	*/
+
+######################################################################
+#
+# Entries for the AT&T 495 printer
+#
+
+495ibm|att495ibm|AT&T 495 IBM Graphics emulation,
+
+	bufsz#1024,
+	cps#800,
+
+
+	orc#12,
+	orhi#120,
+
+	lines#63,
+
+	cpi=%?%p1%{10}%=%t^R%e%p1%{17}%=%t^O%;,
+
+#   Reset defaults, enter IBM Graphics emulation mode
+	is2=\E[0~\E[12~,
+
+	use=Gibmg+basic, use=Gibmg+low,
+
+495qume|att495qume|AT&T 495 Qume emulation,
+
+	daisy@,
+
+	bufsz#1024,
+	cps#800,
+
+	cols#80,
+	lines#63,
+
+
+	chr=%?%p1%{0}%>%p1%{127}%<%&%t\E^_%p1%{1}%+%c%;,
+	cvr=%?%p1%{0}%>%p1%{127}%<%&%t\E^^%p1%{1}%+%c%;,
+
+	is2=\E[0~\E[11~\E^_\r,
+
+	u9=%?%p1%{128}%<%t\EF%p1%02d%;,
+
+	use=Gdaisy+basic, use=Gdaisy+lowres,
+
+495hp|att495hp|AT&T 495 HP Laserjet I emulation,
+
+	bufsz#1024,
+	cps#800,
+
+	is2=\E[0~\E[10~\E&k0S,
+	
+	use=Ghplaser+basic, use=Ghplaser+high,
diff --git a/usr/src/cmd/lp/terminfo/53x0.ti b/usr/src/cmd/lp/terminfo/53x0.ti
new file mode 100644
index 0000000000..fc6fb2cef9
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/53x0.ti
@@ -0,0 +1,81 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.2	*/
+
+######################################################################
+#
+# Entries for the AT&T 5310, 5320 printers
+#
+
+53x0+high,
+
+	spinv#72,
+	spinh#150,
+
+        bitwin#2,
+	u1=2,
+
+#   defbi=
+#	X is in 1/150 increments; set char spacing to 1/16.7
+#	increments to allow us to get close; column is X*16.7/150.
+#	Y is in 1/144 increments; set line spacing to 1/12
+#	increments to allow us to get close; line is Y/12.
+#	Note: The 5310/5320 won't move upward with the absolute
+#	addressing control sequence, so we use the relative motion.
+#	THIS ASSUMES WE START AT THE TOP OF THE PAGE! (although
+#	maybe not in the first column.)
+	u6=%?%p5%{1}%=%t\E[4w\E[%p1%{167}%*%{1500}%/%d`\E[w\E[3z\E[%p2%{12}%/%de\E[z\EP\035q%;,
+	defbi=%?%p5%{1}%=%t\E[4w\E[%p1%{167}%*%{1500}%/%d`\E[w\E[3z\E[%p2%{12}%/%de\E[z\EP\035q%;,
+
+	use=Gdec+low,
+
+5320|att5320|AT&T Model 5320 printer (EMUL set to ANSI),
+
+	bufsz#8192,
+	cps#120,
+
+
+#
+# FIX: The AT&T 5320 doesn't seem to have fine-scale horizontal
+# motion--the only motion is by columns.
+	orc#10,
+	orhi#100,
+
+#
+# FIX: The AT&T 5320 seems to only have half-line vertical motion
+# at best.
+	orl#12,
+	orvi#72,
+
+
+
+	use=53x0+high, use=Gdec+basic, use=Gdec+low,
+
+5310|att5310|AT&T 5310 matrix printer (EMUL set to ANSI),
+
+	cols#80,
+
+	use=5320,
diff --git a/usr/src/cmd/lp/terminfo/57x.ti b/usr/src/cmd/lp/terminfo/57x.ti
new file mode 100644
index 0000000000..677090111e
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/57x.ti
@@ -0,0 +1,105 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.2	*/
+
+######################################################################
+#
+# Entries for the AT&T 570 series printers
+#
+
+570eps|att570eps|AT&T 570 Epson emulation,
+
+	bufsz#10000,
+	cps#250,
+	cols#80,
+	orl#36,
+	orvi#216,
+
+	use=Gepson+basic,
+	use=Gepson+low,
+
+570ibm|att570ibm|AT&T 570 IBM ProPrinter emulation,
+
+	bufsz#10000,
+	cps#250,
+
+	use=Gibmg+basic,
+	use=Gibmg+low,
+
+571eps|att571eps|AT&T 571 Epson emulation,
+
+	cols#136,
+
+	use=570eps,
+
+571ibm|att571ibm|AT&T 571 IBM ProPrinter emulation,
+
+	cols#136,
+	use=570ibm,
+
+572|att572|AT&T 572 9-wire Matrix Printer,
+
+	bufsz#10000,
+	cps#250,
+	cols#80,
+	xhpa@,
+	xvpa@,
+
+	csnm=%?%p1%{0}%=%tusascii%e%p1%{1}%=%tbritish%e%p1%{2}%=%tfinnish%e%p1%{3}%=%tjapanese%e%p1%{4}%=%tnorwegian%e%p1%{5}%=%tswedish%e%p1%{6}%=%tgerman%e%p1%{7}%=%tfrench%e%p1%{8}%=%tfrench_canadian%e%p1%{9}%=%titalian%e%p1%{10}%=%tspanish%e%p1%{11}%=%tline_drawing%e%p1%{12}%=%tdanish%e%p1%{13}%=%tebcdic%e%p1%{14}%=%tmulti_national%;,
+	scs=%?%p1%{0}%=%t\E(B%e%p1%{1}%=%t\E(A%e%p1%{2}%=%t\E(C%e%p1%{3}%=%t\E(J%e%p1%{4}%=%t\E(E%e%p1%{5}%=%t\E(H%e%p1%{6}%=%t\E(K%e%p1%{7}%=%t\E(R%e%p1%{8}%=%t\E(Q%e%p1%{9}%=%t\E(Y%e%p1%{10}%=%t\E(Z%e%p1%{11}%=%t\E(O%e%p1%{12}%=%t\E(E%e%p1%{13}%=%t\E(3%e%p1%{14}%=%t\E(<%;,
+
+	is3=\E[0"z,
+
+	snlq=\E[2"z,
+	snrmq=\E[3"z,
+	sdrfq=\E[0"z,
+	sshm=\E[1m,
+	rshm=\E[22m,
+	smul=\E[4m,
+	rmul=\E[24m,
+
+# The following are not supported by 572/573
+
+	smgbp@,
+	smgtp@,
+	smglp@,
+	smgrp@,
+	cud@,
+	cuf@,
+	cuu1@,
+	hpa@,
+	vpa@,
+	nel@,
+
+	use=Gdec+basic,
+	use=Gdec+low,
+
+573|att573|AT&T 573 9-wire Matrix Printer,
+
+	cols#132,
+
+	use=572,
diff --git a/usr/src/cmd/lp/terminfo/58x.ti b/usr/src/cmd/lp/terminfo/58x.ti
new file mode 100644
index 0000000000..bd5b65c663
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/58x.ti
@@ -0,0 +1,103 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.2	*/
+
+######################################################################
+#
+# Generic entry:
+#
+
+att583+basic,
+
+	bufsz#16384,
+	cps#200,
+
+######################################################################
+#
+# Specific printers:
+#
+
+583ibm|att583ibm|AT&T 583 as IBM Proprinter XL,
+
+	cols#136,
+	is3=\EX
\210,
+
+	use=att583+basic, use=Gibmxl+basic, use=Gibmxl+low+5x6, use=Gibmc+color,
+
+
+583ibm-80|att583ibm-80|AT&T 583 as IBM Proprinter XL;80-col,
+
+	use=att583+basic, use=Gibmxl+basic, use=Gibmxl+low+5x6, use=Gibmc+color,
+
+
+583eps|att583eps|AT&T 583 as Epson LQ-2500; low resolution,
+
+	use=att583+basic, use=Gep2500+basic, use=Gep2500+low, use=Gep2500+color,
+
+583eps-hi|att583eps-hi|AT&T 583 as Epson LQ-2500; high resolution,
+
+	use=att583+basic, use=Gep2500+basic, use=Gep2500+high, use=Gep2500+color,
+
+583eps-80|att583eps-80|AT&T 583 as Epson LQ-2500; low resolution; 80-col,
+
+	cols#80,
+	use=att583+basic, use=Gep2500+basic, use=Gep2500+low, use=Gep2500+color,
+
+583eps-hi-80|att583eps-hi-80|AT&T 583 as Epson LQ-2500; high resolution; 80-col,
+
+	cols#80,
+	use=att583+basic, use=Gep2500+basic, use=Gep2500+high, use=Gep2500+color,
+
+
+580ibm|att580ibm|AT&T 580 as IBM Proprinter XL,
+
+	use=att583+basic, use=Gibmxl+basic, use=Gibmxl+low+5x6,
+
+581ibm|att581ibm|AT&T 581 as IBM Proprinter XL,
+
+	cols#136,
+	is3=\EX
\210,
+
+	use=580ibm,
+
+
+581eps|att581eps|AT&T 581 as Epson LQ-2500; low resolution,
+
+	use=att583+basic, use=Gep2500+basic, use=Gep2500+low,
+
+581eps-hi|att581eps-hi|AT&T 581 as Epson LQ-2500; high resolution,
+
+	use=att583+basic, use=Gep2500+basic, use=Gep2500+high, 
+
+580eps|att580eps|AT&T 580 as Epson LQ-2500; low resolution,
+
+	cols#80,
+	use=att583+basic, use=Gep2500+basic, use=Gep2500+low,
+
+580eps-hi|att580eps-hi|AT&T 580 as Epson LQ-2500; high resolution,
+
+	cols#80,
+	use=att583+basic, use=Gep2500+basic, use=Gep2500+high, 
diff --git a/usr/src/cmd/lp/terminfo/593.ti b/usr/src/cmd/lp/terminfo/593.ti
new file mode 100644
index 0000000000..3d2a592c47
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/593.ti
@@ -0,0 +1,73 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.2	*/
+
+######################################################################
+#
+# Entries for the AT&T 593 printer
+#
+
+593eps|att593eps|AT&T 593 Epson FX86e emulation,
+
+	bufsz#2000,
+	cps#480,
+	cols#80,
+	lines#62,
+	orl#36,
+	orvi#216,
+
+# Only letter quality for laser printer
+	snlq@,
+	snrmq@,
+	sdrfq@,
+
+	use=Gep2500+basic,
+	use=Gepson+low,
+
+593ibm|att593ibm|AT&T 593 IBM ProPrinter XL emulation,
+
+	bufsz#2000,
+	cps#480,
+
+	lines#62,
+
+# Only letter quality for laser printer
+	snlq@,
+	sdrfq@,
+
+	smglp=\EX%p1%{1}%+%c%p2%{1}%+%c,
+
+	use=Gibmxl+basic,
+	use=Gibmxl+low+1x1,
+
+
+593hp|att593hp|AT&T 593 HP Laserjet II emulation,
+
+	bufsz#2000,
+	cps#480,
+
+	
+	use=Ghplaser+II,
diff --git a/usr/src/cmd/lp/terminfo/Makefile b/usr/src/cmd/lp/terminfo/Makefile
new file mode 100644
index 0000000000..b94f821b6b
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/Makefile
@@ -0,0 +1,77 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# cmd/lp/terminfo/Makefile
+#
+
+include 		../Makefile.lp
+
+ROOTTERMINFO =		$(ROOT)/usr/share/lib/terminfo
+
+TIC =			tic
+
+SRCS =			PS.ti 40.ti 477.ti 53x0.ti 593.ti daisy.ti hplaser.ti \
+			44x.ti 47x.ti 57x.ti dec.ti ibm.ti 45x.ti 495.ti \
+			58x.ti citoh.ti epson.ti unknown.ti
+
+
+TMPSRC =		terminfo.src
+
+DIRMODE=		755
+FILEMODE=		644
+
+.KEEP_STATE:
+
+all :			$(TMPSRC) 
+
+$(TMPSRC) :		$(SRCS)
+			$(RM) $@; cat $(SRCS) > $@
+
+#
+#	Since all entries are created at once, we simply choose one of the
+#	target files and assume everything will be made at one time. This
+#	has holes (like if somebody removes P/PSR but not P/PS), but those
+#	are the breaks.
+#
+install :		all $(ROOTTERMINFO) $(ROOTTERMINFO)/P/PS
+
+$(ROOTTERMINFO)/P/PS:	$(TMPSRC)
+	TERMINFO=$(ROOTTERMINFO) 2>&1 $(TIC) -v $(TMPSRC) > errs
+	@$(ECHO) "\n`2>/dev/null cat errs|wc -l` entries have been compiled\n"
+	@-(     2>/dev/null cat errs|grep -iv "^mkdir"|grep -iv "^create"|grep -iv "^link"|grep -vi $(TMPSRC)|grep -vi touch|grep -vi "working"; \
+		if [ $$? -ne 0 ] ; \
+		then \
+			$(ECHO) "\tNo errors\n"; \
+		else \
+			$(ECHO) "\n\tErrors can be found in `pwd`/errs\n"; \
+		fi \
+	)
+
+$(ROOTTERMINFO) :
+			$(INS.dir)
+
+clean clobber:
+			$(RM) $(TMPSRC)
+
+strip lint :
+
diff --git a/usr/src/cmd/lp/terminfo/PS.ti b/usr/src/cmd/lp/terminfo/PS.ti
new file mode 100644
index 0000000000..28a83e988b
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/PS.ti
@@ -0,0 +1,36 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+# ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4 1.1 */
+
+PS|PSR|PS-b|PS-r|PS-br|Fake PostScript entry,
+        slines=\004,
+	u9=\004,
+	csnm=\004,
+	scs=\004,
+	cpi=null,
+	lpi=null,
+	cols#80,
+	lines#66,
diff --git a/usr/src/cmd/lp/terminfo/citoh.ti b/usr/src/cmd/lp/terminfo/citoh.ti
new file mode 100644
index 0000000000..c2b584b7c6
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/citoh.ti
@@ -0,0 +1,127 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.1	*/
+
+######################################################################
+#
+# Generic entry for the C.Itoh 8510 printer and emulations:
+#
+
+Gcitoh+basic,
+
+#   The 8510 I use only allows 79 columns!
+	cols#79,
+
+	lines#66,
+	it#8,
+
+	orc#1,
+	orhi#10,
+	orl#24,
+	orvi#144,
+
+	cr=\r,
+	cud1=\n,
+	cuf1=\s,
+	ff=\f,
+	ht=\t,
+
+	cpi=%?%p1%{10}%=%t\EN%e%p1%{12}%=%t\EE%e%p1%{16}%=%p1%{17}%=%O%t\EQ%;,
+	cvr=%?%p1%{0}%>%p1%{100}%<%&%t\ET%p1%02d%;,
+
+	is1=^Q^X,
+	is2=\Ec1\Ev66.,
+
+	smso=\E!,
+	rmso=\E",
+	smul=\EX,
+	rmul=\EY,
+	bold=\E!,
+	ssubm=\Es2,
+	rsubm=\Es0,
+	ssupm=\Es1,
+	rsupm=\Es0,
+	swidm=^N,
+	rwidm=^O,
+	sgr0=\E"\EY\Es0^O,
+	sgr=%?%p1%p6%|%t\E!%e\E"%;%?%p2%t\EX%e\EY%;,
+
+	rep=\ER%p2%03d%p1%c,
+
+	snlq=\Em2,
+	snrmq=\Em1,
+	sdrfq=\Em0,
+
+	smglp=\EL%p1%03d,
+	smgrp=\E/%{1}%p1%+%03d,
+
+#   slines=
+	u9=\Ev%p1%02d.,
+	slines=\Ev%p1%02d.,
+
+Gcitoh+low,
+
+	npins#8,
+	spinv#68,
+	spinh#136,
+
+	porder=8\,7\,6\,5\,4\,3\,2\,1;0,
+
+	sbim=\ES%p1%04d,
+
+#   birep=
+	u4=\EV%p2%04d%p3%c,
+	birep=\EV%p2%04d%p3%c,
+
+        bitwin#1,
+	u1=1,
+        bitype#1,
+	u2=1,
+
+#   defbi=
+#	Set the line spacing to 17/144 inch to get (almost) 68 dots
+#	per inch vertically (8 * 144/17).
+#	Set the character spacing to compressed (1/17 inch or 17
+#	characters per inch); at 136 dots per inch horizontally this
+#	means 8 dots per character.
+#	Set the left margin at the left edge of the image.
+#	The C.Itoh doesn't have parameterized vertical motion,
+#	so we simulate it with linefeeds. Assume we never need
+#	to move more than 63 lines (at 17/144 LPI).
+#	Set uni-directional motion; bi-directional causes a wavy
+#	image.
+#   defbi=
+	u6=%?%p5%{1}%=%t\ET17\EQ\EL%p1%{8}%/%03d%p2%{8}%/%Py%?%gy%{31}%>%t\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n%gy%{32}%-%Py%;%?%gy%{15}%>%t\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n%gy%{16}%-%Py%;%?%gy%{7}%>%t\n\n\n\n\n\n\n\n%gy%{8}%-%Py%;%?%gy%{3}%>%t\n\n\n\n%gy%{4}%-%Py%;%?%gy%{1}%>%t\n\n%gy%{2}%-%Py%;%?%gy%{0}%>%t\n%;\E>%;,
+	defbi=%?%p5%{1}%=%t\ET17\EQ\EL%p1%{8}%/%03d%p2%{8}%/%Py%?%gy%{31}%>%t\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n%gy%{32}%-%Py%;%?%gy%{15}%>%t\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n%gy%{16}%-%Py%;%?%gy%{7}%>%t\n\n\n\n\n\n\n\n%gy%{8}%-%Py%;%?%gy%{3}%>%t\n\n\n\n%gy%{4}%-%Py%;%?%gy%{1}%>%t\n\n%gy%{2}%-%Py%;%?%gy%{0}%>%t\n%;\E>%;,
+
+#   endbi=
+	u7=\EA\EP\EL001\E<,
+	endbi=\EA\EP\EL001\E<,
+
+#   binel=
+	u5=\n\r\EL%p1%{8}%/%03d,
+	binel=\n\r\EL%p1%{8}%/%03d,
+
diff --git a/usr/src/cmd/lp/terminfo/daisy.ti b/usr/src/cmd/lp/terminfo/daisy.ti
new file mode 100644
index 0000000000..26c7b31d9f
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/daisy.ti
@@ -0,0 +1,126 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.2	*/
+
+######################################################################
+#
+# Generic entry for the daisy wheel printers and emulations:
+#
+
+#
+# Basic capabilities:
+#
+Gdaisy+basic,
+
+	daisy,
+
+	cols#132,
+	lines#66,
+
+	bufsz#500,
+	cps#55,
+	orc#12,
+	orhi#120,
+	orl#8,
+	orvi#48,
+
+	cr=^M,
+	cud1=^J,
+	cuf1=\s,
+	ff=^L,
+	ht=^I,
+	hpa=%?%p1%{100}%<%t\EC%p1%02d%e%p1%{110}%<%t\ECA%p1%{100}%-%d%e%p1%{120}%<%t\ECB%p1%{110}%-%d%e%p1%{130}%<%t\ECC%p1%{120}%-%d%e%p1%{140}%<%t\ECD%p1%{130}%-%d%e%p1%{150}%<%t\ECE%p1%{140}%-%d%e%p1%{160}%<%t\ECF%p1%{150}%-%d%;,
+	vpa=%?%p1%{100}%<%t\EP%p1%02d%e%p1%{110}%<%t\EPA%p1%{100}%-%d%e%p1%{120}%<%t\EPB%p1%{110}%-%d%e%p1%{130}%<%t\EPC%p1%{120}%-%d%e%p1%{140}%<%t\EPD%p1%{130}%-%d%e%p1%{150}%<%t\EPE%p1%{140}%-%d%e%p1%{160}%<%t\EPF%p1%{150}%-%d%;,
+
+	chr=%?%p1%{100}%<%t\EE%p1%02d%e%p1%{110}%<%t\EEA%p1%{100}%-%d%e%p1%{120}%<%t\EEB%p1%{110}%-%d%e%p1%{130}%<%t\EEC%p1%{120}%-%d%e%p1%{140}%<%t\EED%p1%{130}%-%d%e%p1%{150}%<%t\EEE%p1%{140}%-%d%e%p1%{160}%<%t\EEF%p1%{150}%-%d%;,
+	cvr=%?%p1%{100}%<%t\EL%p1%02d%e%p1%{110}%<%t\ELA%p1%{100}%-%d%e%p1%{120}%<%t\ELB%p1%{110}%-%d%e%p1%{130}%<%t\ELC%p1%{120}%-%d%e%p1%{140}%<%t\ELD%p1%{130}%-%d%e%p1%{150}%<%t\ELE%p1%{140}%-%d%e%p1%{160}%<%t\ELF%p1%{150}%-%d%;,
+
+
+	is2=\E\015P\EW\E.\EL08\EE12\E%\E<,
+
+	smso=\EQ,
+	rmso=\ER,
+	smul=\EI,
+	rmul=\EJ,
+	bold=\EK3,
+	sshm=\EQ,
+	rshm=\ER,
+	sgr0=\ER\EM\EJ,
+	sgr=%?%p1%t\EQ%e\ER%;%?%p2%t\EI%e\EJ%;%?%p6%t\EK3%e\EM%;,
+
+	smgb=\E-,
+	smgl=\E9,
+	smgr=\E0,
+	smgt=\E+,
+
+#   slines=,
+	u9=\EF%p1%02d,
+
+#
+# Graphics capabilities:
+#
+Gdaisy+lowres,
+
+#
+#	We could use the graphics on/graphics off control sequences
+#	(ESC G/ESC 4) but for these problems:
+#
+#		- graphics mode gets turned off when a \r is received;
+#		- printing a character doesn't cause motion, which
+#		  means that each ``cell'' must be followed by a space;
+#		- to get the best aspect ratio, three horizontal dots
+#		  must be sent per ``cell'' (using the ESC 3 graphics mode
+#		  (1/60 instead of 1/120) alleviates this problem but
+#		  gives a worse aspect ratio).
+#
+#	So instead we set the HMI and VMI to 1/40 and 1/48 inch,
+#	respectively.
+#
+	npins#1,
+	spinv#48,
+	spinh#40,
+
+	porder=o\,o\,o\,o\,1\,1\,1\,o;32,
+
+#   bitwin#
+	u1=1,
+#   bitype#
+	u2=1,
+
+#   birep=
+	u4=%?%p3%{32}%=%t\EH%p2%{3}%*%Px%gx%{256}%/%{64}%+%c%gx%{256}%m%{16}%/%{64}%+%c%gx%{16}%m%{64}%+%c%;,
+
+#   defbi=
+#	THIS ASSUMES WE START AT THE TOP OF THE PAGE! (although
+#	maybe not in the first column.)
+	u6=%?%p5%{1}%=%t\EL01\EE03%p1%{3}%*%Px\r\EH%gx%{256}%/%{64}%+%c%gx%{256}%m%{16}%/%{64}%+%c%gx%{16}%m%{64}%+%c\EV%p2%{256}%/%{64}%+%c%p2%{256}%m%{16}%/%{64}%+%c%p2%{16}%m%{64}%+%c\E>%;,
+
+#   endbi=
+	u7=\EL08\EE12\E<,
+
+#   binel=
+	u5=\n\r%p1%{3}%*%Px\EH%gx%{256}%/%{64}%+%c%gx%{256}%m%{16}%/%{64}%+%c%gx%{16}%m%{64}%+%c,
+
diff --git a/usr/src/cmd/lp/terminfo/dec.ti b/usr/src/cmd/lp/terminfo/dec.ti
new file mode 100644
index 0000000000..5cc0ae6d55
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/dec.ti
@@ -0,0 +1,130 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.1	*/
+
+######################################################################
+#
+# Generic entries for the various DEC printers and emulations.
+#
+#	The Gdec+... entries are really for any ANSI X3.64 printer,
+#	but "ansi" is already used for terminals. It would be more
+#	work to do "use=ansi" because there are too many screen
+#	oriented caps that would have to be removed.
+#
+
+#
+# Basic capabilities:
+#
+Gdec+basic,
+
+	cols#132,
+	lines#66,
+	it#8,
+
+	cpix,
+	orc#1,
+	orhi#10,
+	orl#2,
+	orvi#12,
+
+#
+# FIX? Are xhpa and xvpa really needed?
+	xhpa,
+	xvpa,
+
+	cr=^M,
+	ff=^L,
+	ht=^I,
+	cud1=^J,
+	cuf1=\s,
+	cuu1=\EM,
+	cud=\E[%p1%de,
+	cuf=\E[%p1%da,
+	hpa=\E[%p1%d`,
+	vpa=\E[%p1%dd,
+	nel=\EE,
+
+	is1=\Ec,
+	is2=\E[20l,
+
+	cpi=%?%p1%{10}%=%t\E[w%e%p1%{12}%=%t\E[2w%e%p1%{5}%=%t\E[5w%e%p1%{13}%=%p1%{14}%=%O%t\E[3w%e%p1%{16}%=%p1%{17}%=%O%t\E[4w%e%p1%{6}%=%t\E[6w%e%p1%{7}%=%t\E[7w%e%p1%{8}%=%t\E[8w%;,
+	lpi=%?%p1%{2}%=%t\E[4z%e%p1%{3}%=%t\E[5z%e%p1%{4}%=%t\E[6z%e%p1%{6}%=%t\E[z%e%p1%{8}%=%t\E[2z%e%p1%{12}%=%t\E[3z%;,
+
+	csnm=%?%p1%{0}%=%tusascii%e%p1%{1}%=%tenglish%e%p1%{2}%=%tfinnish%e%p1%{3}%=%tjapanese%e%p1%{4}%=%tnorwegian%e%p1%{5}%=%tswedish%e%p1%{6}%=%tgermanic%e%p1%{7}%=%tfrench%e%p1%{8}%=%tcanadian_french%e%p1%{9}%=%titalian%e%p1%{10}%=%tspanish%e%p1%{11}%=%tline%e%p1%{12}%=%tsecurity%e%p1%{13}%=%tebcdic%e%p1%{14}%=%tapl%e%p1%{15}%=%tmosaic%;,
+	scs=%?%p1%{0}%=%t\E(B%e%p1%{1}%=%t\E(A%e%p1%{2}%=%t\E(C%e%p1%{3}%=%t\E(D%e%p1%{4}%=%t\E(E%e%p1%{5}%=%t\E(H%e%p1%{6}%=%t\E(K%e%p1%{7}%=%t\E(R%e%p1%{8}%=%t\E(Q%e%p1%{9}%=%t\E(Y%e%p1%{10}%=%t\E(Z%e%p1%{11}%=%t\E(0%e%p1%{12}%=%t\E(1%e%p1%{13}%=%t\E(3%e%p1%{14}%=%t\E(8%e%p1%{15}%=%t\E(}%;,
+
+	sshm=\E[5m,
+	rshm=\E[m,
+
+	smgtp=\E[%p1%dr,
+	smgbp=\E[;%p1%dr,
+	smglp=\E[%{1}%p1%+%ds,
+	smgrp=\E[;%{1}%p1%+%ds,
+
+#   slines=
+	u9=\E[%p1%dt,
+	slines=\E[%p1%dt,
+
+#
+# Graphics capabilities (low resolution, 6-pin):
+#
+Gdec+low,
+
+	npins#6,
+	spinv#72,
+	spinh#75,
+
+	porder=o\,o\,6\,5\,4\,3\,2\,1;63,
+
+        bitwin#1,
+	u1=1,
+        bitype#1,
+	u2=1,
+
+#   birep=
+	u4=!%p2%d%p3%c,
+	birep=!%p2%d%p3%c,
+
+#   defbi=
+#	X is in 1/75 increments; set char spacing to 1/16.7
+#	increments to allow us to get close; column is X*16.7/75.
+#	Y is in 1/72 increments; set line spacing to 1/12
+#	increments to allow us to get close; line is Y/6.
+	u6=%?%p5%{1}%=%t\E[4w\E[%p1%{167}%*%{750}%/%d`\E[w\E[3z\E[%p2%{6}%/%dd\E[z\EP0q%;,
+	defbi=%?%p5%{1}%=%t\E[4w\E[%p1%{167}%*%{750}%/%d`\E[w\E[3z\E[%p2%{6}%/%dd\E[z\EP0q%;,
+
+#   endbi=
+	u7=^X,
+	endbi=^X,
+
+#   binel=
+	u5=-,
+	binel=-,
+
+#   bicr=
+	u3=$,
+	bicr=$,
+
diff --git a/usr/src/cmd/lp/terminfo/epson.ti b/usr/src/cmd/lp/terminfo/epson.ti
new file mode 100644
index 0000000000..8beceb1e74
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/epson.ti
@@ -0,0 +1,301 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.2	*/
+
+######################################################################
+#
+# Epson
+#
+
+#
+# Basic capabilities:
+#
+Gepson+basic,
+
+	cols#80,
+	lines#66,
+	it#8,
+
+	cpix,
+	orc#6,
+	orhi#60,
+	orl#30,
+	orvi#180,
+
+	cr=^M,
+	cud1=^J,
+	cuf1=\s,
+	cub1=\b,
+	ff=^L,
+	ht=^I,
+
+	cpi=%?%p1%{10}%=%t^R\EP%e%p1%{12}%=%t^R\EM%e%p1%{20}%=%t^O\EM%e%p1%{17}%=%t^O\EP%;,
+	cvr=%?%p1%{0}%>%p1%{256}%<%&%t\E3%p1%c%;,
+
+	is1=^Q^X,
+	is2=\E@\E%0\EO,
+
+	csnm=%?%p1%{0}%=%tusa%e%p1%{1}%=%tfrench%e%p1%{2}%=%tgerman%e%p1%{3}%=%tbritish%e%p1%{4}%=%tdanish%e%p1%{5}%=%tswedish%e%p1%{6}%=%titalian%e%p1%{7}%=%tspanish%e%p1%{8}%=%tjapanese%e%p1%{9}%=%tnorwegian%e%p1%{10}%=%tdanish2%e%p1%{11}%=%tspanish2%e%p1%{12}%=%tlatin_american%e%p1%{13}%=%tafrikaans%e%p1%{14}%=%tdutch%e%p1%{15}%=%tfrench_canadian%e%p1%{16}%=%tfrench2%e%p1%{17}%=%tbritish2%e%p1%{18}%=%tmulti_national%e%p1%{19}%=%tibmgraphics%;,
+	scs=%?%p1%{0}%=%t\ER\200%e%p1%{1}%=%t\ER\001%e%p1%{2}%=%t\ER\002%e%p1%{3}%=%t\ER\003%e%p1%{4}%=%t\ER\004%e%p1%{5}%=%t\ER\005%e%p1%{6}%=%t\ER\006%e%p1%{7}%=%t\ER\007%e%p1%{8}%=%t\ER\010%e%p1%{9}%=%t\ER\011%e%p1%{10}%=%t\ER\012%e%p1%{11}%=%t\ER\013%e%p1%{12}%=%t\ER\014%e%p1%{13}%=%t\ER\100%e%p1%{14}%=%t\ERA%e%p1%{15}%=%t\ERB%e%p1%{16}%=%t\ERC%e%p1%{17}%=%t\ERD%e%p1%{18}%=%t\E6%e%p1%{19}%=%t\Et1%;,
+
+	smso=\EE,
+	rmso=\EF,
+	smul=\E-1,
+	rmul=\E-0,
+	bold=\EG,
+	sshm=\EE,
+	rshm=\EF,
+	ssubm=\ES1,
+	rsubm=\ET,
+	ssupm=\ES0,
+	rsupm=\ET,
+	swidm=\EW1,
+	rwidm=\EW0,
+	sitm=\E4,
+	ritm=\E5,
+	sgr0=\EF\E-0\EH\ET\EW0\E5,
+	sgr=%?%p1%t\EE%e\EF%;%?%p2%t\E-1%e\E-0%;%?%p6%t\EG%e\EH%;,
+
+#
+#	For now we can't set the margin in the first (0th) column
+#	due to limitations in the Curses code. This should be changed
+#	in the future. For now, shift right 1. Note that the right
+#	margin is the last USEABLE column in Terminfo, but is 1
+#	PAST that for the Epson.
+	smglp=%?%p1%{256}%<%t\El%p1%{1}%+%c%;,
+	smgrp=%?%p1%{256}%<%t\EQ%p1%{2}%+%c%;,
+
+#   slines=  u9 used for svr3.2
+	u9=%?%p1%{0}%>%p1%{128}%<%&%t\EC%p1%c%;,
+	slines=%?%p1%{0}%>%p1%{128}%<%&%t\EC%p1%d%;,
+
+	sdrfq=\Ex0,
+	snlq=\Ex1,
+	snrmq=\Ek1,
+
+#
+# Graphics capabilities:
+#
+Gepson+low,
+
+	npins#8,
+	spinv#60,
+	spinh#60,
+
+	porder=1\,2\,3\,4\,5\,6\,7\,8;0,
+
+	sbim=\EK%p1%{256}%m%c%p1%{256}%/%c,
+
+# u1 - u8 used for svr3.2
+        bitwin#1,
+	u1=1,
+        bitype#1,
+	u2=1,
+
+#   defbi=
+#	Set the line spacing to 8/60 inch (7.5 lines per inch)
+#	to get 60 dots per inch vertically (7.5 lines/" * 8 pins/line).
+#	Set the character spacing to pica (1/10 inch or 10 characters
+#	per inch); at 60 dots per inch horizontally this means 6
+#	dots per character.
+#	Set vertical and horizontal tab stops at the upper left corner
+#	of the image, then tab to the upper left corner.
+#	Note: $<> is a true null (only works with special Curses routine).
+#	THIS ASSUMES WE START AT THE TOP OF THE PAGE! (although
+#	maybe not in the first column.)
+	defbi=%?%p5%{1}%=%t\E3\030^R\EP\EB%p2%{8}%/%c$<>\ED%p1%{6}%/%c$<>\013\r\t%;,
+
+#   endbi=
+	u7=\E3\036,
+	endbi=\E3\036,
+
+#   binel=
+	u5=\n\r\t,
+	binel=\n\r\t,
+
+#   bicr=
+	u3=\r\t,
+	bicr=\r\t,
+
+######################################################################
+#
+# Epson LQ-2500
+#
+
+#
+# Basic capabilities:
+#
+Gep2500+basic,
+
+	cols#136,
+	lines#66,
+	it#8,
+
+	cpix,
+	orc#6,
+	orhi#60,
+	orl#30,
+	orvi#180,
+
+	cr=^M,
+	cud1=^J,
+	cuf1=\s,
+	cub1=\b,
+	ff=^L,
+	ht=^I,
+
+	cpi=%?%p1%{10}%=%t^R\EP%e%p1%{12}%=%t^R\EM%e%p1%{20}%=%t^O\EM%e%p1%{17}%=%t^O\EP%;,
+	cvr=%?%p1%{0}%>%p1%{256}%<%&%t\E3%p1%c%;,
+
+	is1=^Q^X,
+	is2=\E@\E%0\EO,
+
+
+	csnm=%?%p1%{0}%=%tusa%e%p1%{1}%=%tfrench%e%p1%{2}%=%tgerman%e%p1%{3}%=%tbritish%e%p1%{4}%=%tdanish%e%p1%{5}%=%tswedish%e%p1%{6}%=%titalian%e%p1%{7}%=%tspanish%e%p1%{8}%=%tjapanese%e%p1%{9}%=%tnorwegian%e%p1%{10}%=%tdanish2%e%p1%{11}%=%tspanish2%e%p1%{12}%=%tlatin_american%e%p1%{13}%=%tibmgraphics%;,
+	scs=%?%p1%{0}%=%t\ER\200%e%p1%{1}%=%t\ER\001%e%p1%{2}%=%t\ER\002%e%p1%{3}%=%t\ER\003%e%p1%{4}%=%t\ER\004%e%p1%{5}%=%t\ER\005%e%p1%{6}%=%t\ER\006%e%p1%{7}%=%t\ER\007%e%p1%{8}%=%t\ER\010%e%p1%{9}%=%t\ER\011%e%p1%{10}%=%t\ER\012%e%p1%{11}%=%t\ER\013%e%p1%{12}%=%t\ER\014%e%p1%{13}%=%t\Et1%;,
+
+	smso=\EE,
+	rmso=\EF,
+	smul=\E-1,
+	rmul=\E-0,
+	bold=\EG,
+	sshm=\EE,
+	rshm=\EF,
+	ssubm=\ES1,
+	rsubm=\ET,
+	ssupm=\ES0,
+	rsupm=\ET,
+	swidm=\EW1,
+	rwidm=\EW0,
+	sitm=\E4,
+	ritm=\E5,
+	sgr0=\EF\E-0\EH\ET\EW0\E5,
+	sgr=%?%p1%t\EE%e\EF%;%?%p2%t\E-1%e\E-0%;%?%p6%t\EG%e\EH%;,
+
+#
+#	For now we can't set the margin in the first (0th) column
+#	due to limitations in the Curses code. This should be changed
+#	in the future. For now, shift right 1. Note that the right
+#	margin is the last USEABLE column in Terminfo, but is 1
+#	PAST that for the Epson.
+	smglp=%?%p1%{256}%<%t\El%p1%{1}%+%c%;,
+	smgrp=%?%p1%{256}%<%t\EQ%p1%{2}%+%c%;,
+
+#   slines=
+	u9=%?%p1%{0}%>%p1%{128}%<%&%t\EC%p1%c%;,
+	slines=%?%p1%{0}%>%p1%{128}%<%&%t\EC%p1%c%;,
+
+	sdrfq=\Ex0,
+	snlq=\Ex1,
+	snrmq=\Ek1,
+
+#
+# Graphics capabilities:
+#
+Gep2500+low,
+
+	npins#8,
+	spinv#60,
+	spinh#60,
+
+	porder=1\,2\,3\,4\,5\,6\,7\,8;0,
+
+	sbim=\EK%p1%{256}%m%c%p1%{256}%/%c,
+
+        bitwin#1,
+	u1=1,
+        bitype#1,
+	u2=1,
+
+#   defbi=
+#	Set the line spacing to 8/60 inch (7.5 lines per inch)
+#	to get 60 dots per inch vertically (7.5 lines/" * 8 pins/line).
+#	Set the character spacing to pica (1/10 inch or 10 characters
+#	per inch); at 60 dots per inch horizontally this means 6
+#	dots per character.
+#	Set vertical and horizontal tab stops at the upper left corner
+#	of the image, then tab to the upper left corner.
+#	Note: $<> is a true null (only works with special Curses routine).
+#	THIS ASSUMES WE START AT THE TOP OF THE PAGE! (although
+#	maybe not in the first column.)
+	u6=%?%p5%{1}%=%t\E3\030^R\EP\EB%p2%{8}%/%c$<>\ED%p1%{6}%/%c$<>\013\r\t%;,
+	defbi=%?%p5%{1}%=%t\E3\030^R\EP\EB%p2%{8}%/%c$<>\ED%p1%{6}%/%c$<>\013\r\t%;,
+
+#   endbi=
+	u7=\E3\036,
+	endbi=\E3\036,
+
+#   binel=
+	u5=\n\r\t,
+	binel=\n\r\t,
+
+#   bicr=
+	u3=\r\t,
+	bicr=\r\t,
+
+#
+# Graphics capabilities:
+#
+Gep2500+high,
+
+	npins#24,
+	spinv#180,
+	spinh#180,
+
+	porder=1\,2\,3\,4\,5\,6\,7\,8\,9\,10\,11\,12\,13\,14\,15\,16\,17\,18\,19\,20\,21\,22\,23\,24;0,
+
+	sbim=\E*\047%p1%{256}%m%c%p1%{256}%/%c,
+
+#   defbi=
+#	Set the line spacing to 8/60 inch (7.5 lines per inch)
+#	to get 180 dots per inch vertically (7.5 lines/" * 24 pins/line).
+#	Set the character spacing to pica (1/10 inch or 10 characters
+#	per inch); at 180 dots per inch horizontally this means 18
+#	dots per character.
+#	Set vertical and horizontal tab stops at the upper left corner
+#	of the image, then tab to the upper left corner.
+#	Note: $<> is a true null (only works with special Curses routine).
+#	THIS ASSUMES WE START AT THE TOP OF THE PAGE! (although
+#	maybe not in the first column.)
+	u6=%?%p5%{1}%=%t\E3\030^R\EP\EB%p2%{24}%/%c$<>\ED%p1%{18}%/%c$<>\013\r\t%;,
+	defbi=%?%p5%{1}%=%t\E3\030^R\EP\EB%p2%{24}%/%c$<>\ED%p1%{18}%/%c$<>\013\r\t%;,
+
+	use=Gep2500+low,
+
+#
+# Color capability:
+#
+Gep2500+color,
+
+	colors#3,
+
+#   setcolor=
+	initc=%?%p1%{0}%=%t\Er0%;%?%p1%{1}%=%t\Er2%;%?%p1%{2}%=%t\Er1%;%?%p1%{3}%=%t\Er4%;,
+
+#   colornm=
+	u8=%?%p1%{0}%=%tblack%;%?%p1%{1}%=%tcyan%;%?%p1%{2}%=%tmagenta%;%?%p1%{3}%=%tyellow%;%?%p1%{4}%=%torange=yellow+magenta%;%?%p1%{5}%=%tgreen=yellow+cyan%;%?%p1%{6}%=%tviolet=magenta+cyan%;%?%p1%{7}%=%tbrown=magenta+black%;,
+	colornm=%?%p1%{0}%=%tblack%;%?%p1%{1}%=%tcyan%;%?%p1%{2}%=%tmagenta%;%?%p1%{3}%=%tyellow%;%?%p1%{4}%=%torange=yellow+magenta%;%?%p1%{5}%=%tgreen=yellow+cyan%;%?%p1%{6}%=%tviolet=magenta+cyan%;%?%p1%{7}%=%tbrown=magenta+black%;,
+
diff --git a/usr/src/cmd/lp/terminfo/hplaser.ti b/usr/src/cmd/lp/terminfo/hplaser.ti
new file mode 100644
index 0000000000..4d887f99ab
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/hplaser.ti
@@ -0,0 +1,122 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.1	*/
+
+######################################################################
+#
+# Generic entry for the HP Laserjet printers and emulations:
+#
+
+#
+# Basic capabilities:
+#
+Ghplaser+basic,
+
+	cols#80,
+	lines#60,
+
+	orc#12,
+	orhi#120,
+	orl#8,
+	orvi#48,
+
+	cr=^M,
+	cud1=^J,
+	cuf1=\s,
+	cud=\E&a+%p1%dR,
+	cuf=\E&a+%p1%dC,
+	ff=^L,
+	hpa=\E&a%p1%dC,
+	vpa=\E&a%p1%dR,
+
+	cpi=%?%p1%{10}%=%t\E&k0S%e%p1%{17}%=%t\E&k2S%;,
+	chr=%?%p1%{0}%>%p1%{127}%<%t\E&k%p1%dH%;,
+	cvr=%?%p1%{0}%>%p1%{127}%<%t\E&l%p1%dC%;,
+	lpi=%?%p1%{1}%=%t\E&l1D%e%p1%{2}%=%t\E&l2D%e%p1%{3}%=%t\E&l3D%e%p1%{4}%=%t\E&l4D%e%p1%{6}%=%t\E&l6D%e%p1%{8}%=%t\E&l8D%e%p1%{12}%=%t\E&l12D%e%p1%{16}%=%t\E&l16D%e%p1%{24}%=%t\E&l24D%e%p1%{48}%=%t\E&l48D%;,
+
+	is2=\EE\E&k0G,
+	mgc=\E9,
+
+	rmul=\E&d\100,
+	ritm=\E(s0S,
+	smul=\E&dD,
+	sitm=\E(s1S,
+	smgtp=\E&l%p1%{1}%+%dE,
+	smgbp=\E&l%p1%{1}%+%dF,
+	smglp=\E&a%p1%dL,
+	smgrp=\E&a%p1%dM,
+
+#Set top margin at +2 offset
+	smgtp=\E&l%p1%dE,
+
+#Set page length u9 used for 3.2 slines for 4.0
+	u9=\E&l%p1P,
+	slines=\E&l%p1%dF,
+
+#
+# Graphics capabilities:
+#
+Ghplaser+high,
+
+	npins#8,
+	spinv#300,
+	spinh#300,
+
+	porder=1\,2\,3\,4\,5\,6\,7\,8;0,
+
+	sbim=\E*b%p1%dW,
+
+# u1 - u7 used for svr3.2 
+#   bitwin#,
+	u1=1,
+	bitwin#1,
+#   bitype#
+	u2=2,
+	bitype#2,
+
+#   defbi=
+#	    X (or Y) * scale * 12/5 == pos in decipoints (12/5 == 720/300)
+	u6=%?%p5%{0}%>%p5%{5}%<%&%t\E&a%p1%p5%*%{12}%*%{5}%/%dH\E&a%p2%p5%*%{12}%*%{5}%/%dV\E*t%{300}%p5%/%dR\E*r1A%;,
+	defbi=%?%p5%{0}%>%p5%{5}%<%&%t\E&a%p1%p5%*%{12}%*%{5}%/%dH\E&a%p2%p5%*%{12}%*%{5}%/%dV\E*t%{300}%p5%/%dR\E*r1A%;,
+
+#   endbi=
+	u7=\E*rB,
+	endbi=\E*rB,
+
+Ghplaser+II,
+
+	cpi=%?%p1%{10}%=%t\E(s10H%e%p1%{16}%=%p1%{17}%=%O%t\E(s16.66H%e%;,
+
+	csnm=%?%p1%{0}%=%troman-8%e%p1%{1}%=%tibm-us%e%p1%{2}%=%tibm-dn%e%p1%{3}%=%tgerman%e%p1%{4}%=%tspanish%e%p1%{5}%=%tecma-94%e%p1%{6}%=%tiso2%e%p1%{7}%=%tiso4%e%p1%{8}%=%tiso6%e%p1%{9}%=%tiso10%e%p1%{10}%=%tiso11%e%p1%{11}%=%tiso14%e%p1%{12}%=%tiso15%e%p1%{13}%=%tiso16%e%p1%{14}%=%tiso17%e%p1%{15}%=%tiso21%e%p1%{16}%=%tiso25%e%p1%{17}%=%tiso57%e%p1%{18}%=%tiso60%e%p1%{19}%=%tiso61%e%p1%{20}%=%tiso69%e%p1%{21}%=%tiso84%e%p1%{22}%=%tiso85%;,
+
+	scs=%?%p1%{0}%=%t\E(8U%e%p1%{1}%=%t\E(10U%e%p1%{2}%=%t\E(11U%e%p1%{3}%=%t\E(0G%e%p1%{4}%=%t\E(1S%e%p1%{5}%=%t\E(0N%e%p1%{6}%=%t\E(2U%e%p1%{7}%=%t\E(1E%e%p1%{8}%=%t\E(0U%e%p1%{9}%=%t\E(3S%e%p1%{10}%=%t\E(0S%e%p1%{11}%=%t\E(0K%e%p1%{12}%=%t\E(0I%e%p1%{13}%=%t\E(4S%e%p1%{14}%=%t\E(2S%e%p1%{15}%=%t\E(1G%e%p1%{16}%=%t\E(0F%e%p1%{17}%=%t\E(2K%e%p1%{18}%=%t\E(0D%e%p1%{19}%=%t\E(1D%e%p1%{20}%=%t\E(1F%e%p1%{21}%=%t\E(5S%e%p1%{22}%=%t\E(6S%;,
+
+	use=Ghplaser+basic, use=Ghplaser+high,
+
diff --git a/usr/src/cmd/lp/terminfo/ibm.ti b/usr/src/cmd/lp/terminfo/ibm.ti
new file mode 100644
index 0000000000..e58aca21eb
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/ibm.ti
@@ -0,0 +1,353 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.2	*/
+
+######################################################################
+#
+# Generic entries for the various IBM printers and emulations.
+#
+
+###################################
+#
+# IBM Graphics
+#
+
+#
+# Basic capabilities:
+#
+Gibmg+basic,
+
+	cols#80,
+	lines#66,
+	it#8,
+
+	cpix,
+	orc#1,
+	orhi#10,
+	orl#12,
+	orvi#72,
+
+	cr=^M,
+	ff=^L,
+	ht=^I,
+	cud1=^J,
+	cuf1=\s,
+
+	cpi=%?%p1%{10}%=%t^R%e%p1%{16}%=%p1%{17}%=%O%t^O%;,
+	cvr=%?%p1%{0}%>%p1%{256}%<%&%t\EA%p1%c\E2%;,
+
+	is1=^X,
+	is2=^R\EA\014\E2\EF\EH\EW0\ET\E-0\E7\EO\ECB,
+
+	csnm=%?%p1%{0}%=%tcharacter_set_1%e%p1%{1}%=%tcharacter_set_2%;,
+	scs=%?%p1%{0}%=%t\E7%e%p1%{2}%=%t\E6%;,
+
+	smso=\EE,
+	rmso=\EF,
+	smul=\E-1,
+	rmul=\E-0,
+	bold=\EG,
+	smacs=\E6,
+	rmacs=\E7,
+	sshm=\EE,
+	rshm=\EF,
+	ssubm=\ES1,
+	rsubm=\ET,
+	ssupm=\ES0,
+	rsupm=\ET,
+	swidm=\EW1,
+	rwidm=\EW0,
+	sgr0=\EF\E-0\EH\E7\ET\EW0,
+	sgr=%?%p1%t\EE%e\EF%;%?%p2%t\E-1%e\E-0%;%?%p6%t\EG%e\EH%;%?%p9%t\E6%e\E7%;,
+	sdrfq=\EH,
+	snlq=\EG,
+
+#   slines=  u9 used for svr3.2
+	u9=%?%p1%{0}%>%p1%{128}%<%&%t\EC%p1%c%;,
+	slines=%?%p1%{0}%>%p1%{128}%<%&%t\EC%p1%c%;,
+
+#
+# Graphics capabilities (low resolution, 9-pin):
+#
+Gibmg+low,
+
+	npins#8,
+	spinv#72,
+	spinh#60,
+
+	porder=1\,2\,3\,4\,5\,6\,7\,8;0,
+
+	sbim=\EK%p1%{256}%m%c%p1%{256}%/%c,
+
+        bitwin#1,
+	u1=1,
+        bitype#1,
+	u2=1,
+
+#   defbi=
+#	Set the line spacing to 8/72 inch (9 lines per inch)
+#	to get 72 dots per inch vertically (9 lines/inch * 8 pins/line).
+#	Set the character spacing to pica (1/10 inch or 10 characters
+#	per inch); at 60 dots per inch horizontally this means 6
+#	dots per character.
+#	The IBM Graphics doesn't have parameterized motion,
+#	so we simulate it with linefeeds and spaces.
+#	Assume we never need to move across more than 63 colums
+#	or down more than 31 lines. 
+#	THIS ASSUMES WE START AT THE TOP OF THE PAGE! (although
+#	maybe not in the first column.)
+	u6=%?%p5%{1}%=%t\EA\010\E2^R%p2%{8}%/%Py%?%gy%{15}%>%t\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n%gy%{16}%-%Py%;%?%gy%{7}%>%t\n\n\n\n\n\n\n\n%gy%{8}%-%Py%;%?%gy%{3}%>%t\n\n\n\n%gy%{4}%-%Py%;%?%gy%{1}%>%t\n\n%gy%{2}%-%Py%;%?%gy%{0}%>%t\n%;\r%p1%{6}%/%Px%?%gx%{31}%>%t                                %gx%{32}%-%Px%;%?%gx%{15}%>%t                %gx%{16}%-%Px%;%?%gx%{7}%>%t        %gx%{8}%-%Px%;%?%gx%{3}%>%t    %gx%{4}%-%Px%;%?%gx%{1}%>%t  %gx%{2}%-%Px%;%?%gx%{0}%>%t %;%;,
+	defbi=%?%p5%{1}%=%t\EA\010\E2^R%p2%{8}%/%Py%?%gy%{15}%>%t\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n%gy%{16}%-%Py%;%?%gy%{7}%>%t\n\n\n\n\n\n\n\n%gy%{8}%-%Py%;%?%gy%{3}%>%t\n\n\n\n%gy%{4}%-%Py%;%?%gy%{1}%>%t\n\n%gy%{2}%-%Py%;%?%gy%{0}%>%t\n%;\r%p1%{6}%/%Px%?%gx%{31}%>%t                                %gx%{32}%-%Px%;%?%gx%{15}%>%t                %gx%{16}%-%Px%;%?%gx%{7}%>%t        %gx%{8}%-%Px%;%?%gx%{3}%>%t    %gx%{4}%-%Px%;%?%gx%{1}%>%t  %gx%{2}%-%Px%;%?%gx%{0}%>%t %;%;,
+
+#   endbi=
+	u7=\EA\014\E2,
+	endbi=\EA\014\E2,
+
+#   binel=
+	u5=\n\r%p1%{6}%/%Px%?%gx%{31}%>%t                                %gx%{32}%-%Px%;%?%gx%{15}%>%t                %gx%{16}%-%Px%;%?%gx%{7}%>%t        %gx%{8}%-%Px%;%?%gx%{3}%>%t    %gx%{4}%-%Px%;%?%gx%{1}%>%t  %gx%{2}%-%Px%;%?%gx%{0}%>%t %;,
+	binel=\n\r%p1%{6}%/%Px%?%gx%{31}%>%t                                %gx%{32}%-%Px%;%?%gx%{15}%>%t                %gx%{16}%-%Px%;%?%gx%{7}%>%t        %gx%{8}%-%Px%;%?%gx%{3}%>%t    %gx%{4}%-%Px%;%?%gx%{1}%>%t  %gx%{2}%-%Px%;%?%gx%{0}%>%t %;,
+
+#   bicr=
+	u3=\r%p1%{6}%/%Px%?%gx%{31}%>%t                                %gx%{32}%-%Px%;%?%gx%{15}%>%t                %gx%{16}%-%Px%;%?%gx%{7}%>%t        %gx%{8}%-%Px%;%?%gx%{3}%>%t    %gx%{4}%-%Px%;%?%gx%{1}%>%t  %gx%{2}%-%Px%;%?%gx%{0}%>%t %;,
+	bicr=\r%p1%{6}%/%Px%?%gx%{31}%>%t                                %gx%{32}%-%Px%;%?%gx%{15}%>%t                %gx%{16}%-%Px%;%?%gx%{7}%>%t        %gx%{8}%-%Px%;%?%gx%{3}%>%t    %gx%{4}%-%Px%;%?%gx%{1}%>%t  %gx%{2}%-%Px%;%?%gx%{0}%>%t %;,
+
+###################################
+#
+# IBM Color 
+#
+
+#
+# Basic capabilities:
+#
+Gibmc+basic,
+
+	cub1=\b,
+
+	is1=^Q^X,
+	is2=^R\EA\014\E2\EF\EH\EW0\ET\E-0\E7\EO\ER\E50\EM0\EX^A\210\Eb\ECB,
+
+	cvr=%?%p1%{0}%>%p1%{256}%<%&%t\E3%p1%c%;,
+
+	smglp=\EX%p1%{1}%+%c%p2%{1}%+%c,
+
+	use=Gibmg+basic,
+
+#
+# Graphics capabilities (low resolution, 9-pin, 5:6 aspect ratio):
+#
+Gibmc+low+5x6,
+
+	spinv#84,
+	spinh#70,
+
+#   defbi=
+#	Set 5:6 aspect ratio.
+#	Set the line spacing to 7/72 inch (10.29 lines per inch)
+#	to get approximately 84 dots per inch vertically
+#	(10.29 lines/inch * 8 pins/line equals 82.28 dots per inch).
+#	Set the character spacing to pica (1/10 inch or 10 characters
+#	per inch); at 70 dots per inch horizontally this means 7
+#	dots per character.
+#	Set vertical and horizontal tab stops at the upper left corner
+#	of the image, then tab to the upper left corner.
+#	Note: $<> is a true null (only works with special Curses routine).
+#	THIS ASSUMES WE START AT THE TOP OF THE PAGE! (although
+#	maybe not in the first column.)
+	u6=%?%p5%{1}%=%t\En^B\E1^R\EB%p2%{8}%/%c$<>\ED%p1%{7}%/%c$<>\013\r\t%;,
+	defbi=%?%p5%{1}%=%t\En^B\E1^R\EB%p2%{8}%/%c$<>\ED%p1%{7}%/%c$<>\013\r\t%;,
+
+#   binel=
+	u5=\n\r\t,
+	binel=\n\r\t,
+
+#   bicr=
+	u3=\r\t,
+	bicr=\r\t,
+
+	use=Gibmg+low,
+
+#
+# Graphics capabilities (low resolution, 9-pin, 1:1 aspect ratio):
+#
+Gibmc+low+1x1,
+
+	spinh#84,
+
+#   defbi=
+#	Set 1:1 aspect ratio.
+#	Set the line spacing to 7/72 inch (10.29 lines per inch)
+#	to get approximately 84 dots per inch vertically
+#	(10.29 lines/inch * 8 pins/line equals 82.28 dots per inch).
+#	Set the character spacing to pica (1/10 inch or 10 characters
+#	per inch); at 84 dots per inch horizontally this means 8.4
+#	dots per character.
+#	Set vertical and horizontal tab stops at the upper left corner
+#	of the image, then tab to the upper left corner.
+#	Note: $<> is a true null (only works with special Curses routine).
+#	THIS ASSUMES WE START AT THE TOP OF THE PAGE! (although
+#	maybe not in the first column.)
+	u6=%?%p5%{1}%=%t\En^A\E1^R\EB%p2%{8}%/%c$<>\ED%p1%{10}%*%{84}%/%c$<>\013\r\t%;,
+	defbi=%?%p5%{1}%=%t\En^A\E1^R\EB%p2%{8}%/%c$<>\ED%p1%{10}%*%{84}%/%c$<>\013\r\t%;,
+
+	use=Gibmc+low+5x6,
+
+#
+# Color capability:
+#
+Gibmc+color,
+
+	colors#3,
+
+#   setcolor=
+	initc=%?%p1%{0}%=%t\Eb%;%?%p1%{1}%=%t\Ec%;%?%p1%{2}%=%t\Em%;%?%p1%{3}%=%t\Ey%;,
+
+#   colornm=
+	u8=%?%p1%{0}%=%tblack%;%?%p1%{1}%=%tcyan%;%?%p1%{2}%=%tmagenta%;%?%p1%{3}%=%tyellow%;%?%p1%{4}%=%torange=yellow+magenta%;%?%p1%{5}%=%tgreen=yellow+cyan%;%?%p1%{6}%=%tviolet=magenta+cyan%;%?%p1%{7}%=%tbrown=magenta+black%;,
+	colornm=%?%p1%{0}%=%tblack%;%?%p1%{1}%=%tcyan%;%?%p1%{2}%=%tmagenta%;%?%p1%{3}%=%tyellow%;%?%p1%{4}%=%torange=yellow+magenta%;%?%p1%{5}%=%tgreen=yellow+cyan%;%?%p1%{6}%=%tviolet=magenta+cyan%;%?%p1%{7}%=%tbrown=magenta+black%;,
+
+###################################
+#
+# IBM Proprinter XL:
+#
+#	This printer appears to be a superset of the IBM Graphics
+#	and IBM Color printers, with a 24-wire printhead. The entry
+#	below uses the full capabilities of the superset and printhead.
+#	The printer has an Alternate Graphics Mode (AGM) that changes
+#	the vertical resolution from 1/216" to 1/180", and the graphics
+#	aspect ratio from 5:6 to 1:1. HOWEVER, there does not appear to
+#	be a control sequence that switches into this mode--it must be
+#	done by hand!
+#
+
+#
+# Basic capabilities (printer not in AGM):
+#
+Gibmxl+basic,
+
+	orc#12,
+	orhi#120,
+	orl#36,
+	orvi#216,
+
+	cub1=\b,
+
+	cpi=%?%p1%{10}%=%t^R%e%p1%{12}%=%t\E:%e%p1%{17}%=%t^O%;,
+	cvr=%?%p1%{0}%>%p1%{256}%<%&%t\E3%p1%c%;,
+
+	is1=^Q^X,
+	is2=^R\EP0\EA\014\E2\EC\102\EO\ER\Eb\E50\EF\EH\EW0\ET\E-0\E_0\E7,
+	is3=\EX\001\120,
+
+	smglp=\EX%p1%{1}%+%c%p2%{1}%+%c,
+
+	use=Gibmg+basic,
+
+#
+# Basic capabilities (printer in AGM):
+#
+Gibmxlagm+basic,
+
+	orl#30,
+	orvi#180,
+
+	is2=^R\EP0\EA\012\E2\EC\102\EO\ER\Eb\E50\EF\EH\EW0\ET\E-0\E_0\E7,
+
+	use=Gibmxl+basic,
+
+#
+# Graphics capabilities (low resolution, 8-pin, 5:6 aspect ratio):
+#
+Gibmxl+low+5x6,
+
+	spinv#72,
+	spinh#60,
+
+#   defbi=
+#	Set the line spacing to 8/72 inch (9 lines per inch)
+#	to get 72 dots per inch vertically (9 lines/" * 8 pins/line).
+#	Set the character spacing to pica (1/10 inch or 10 characters
+#	per inch); at 60 dots per inch horizontally this means 6
+#	dots per character.
+#	Set vertical and horizontal tab stops at the upper left corner
+#	of the image, then tab to the upper left corner.
+#	Note: $<> is a true null (only works with special Curses routine).
+#	THIS ASSUMES WE START AT THE TOP OF THE PAGE! (although
+#	maybe not in the first column.)
+	u6=%?%p5%{1}%=%t\EA\010\E2^R\EB%p2%{8}%/%c$<>\ED%p1%{6}%/%c$<>\013\r\t%;,
+	defbi=%?%p5%{1}%=%t\EA\010\E2^R\EB%p2%{8}%/%c$<>\ED%p1%{6}%/%c$<>\013\r\t%;,
+
+	use=Gibmc+low+5x6,
+
+#
+# Graphics capabilities (low resolution, 8-pin, 1:1 aspect ratio):
+#
+Gibmxl+low+1x1,
+
+	spinv#60,
+
+#	In AGM the "defbi" cap from Gibmxl+low+5x6 will work. The
+#	line spacing will be 8/60 inch to get 60 dots per inch, using
+#	the same control sequence.
+
+	use=Gibmxl+low+5x6,
+
+#
+# Graphics capabilities (high resolution, 24-pin, 5:6 aspect ratio):
+#
+#	This doesn't work as the pin spacing doesn't get set to
+#	1/216 inch, but stays at 1/180 inch, even out of AGM.
+#
+
+#
+# Graphics capabilities (high resolution, 24-pin, 1:1 aspect ratio):
+#
+Gibmxl+high+1x1,
+
+	npins#24,
+	spinv#180,
+	spinh#180,
+
+	porder=1\,2\,3\,4\,5\,6\,7\,8\,9\,10\,11\,12\,13\,14\,15\,16\,17\,18\,19\,20\,21\,22\,23\,24;0,
+
+	sbim=\E*\047%p1%{256}%m%c%p1%{256}%/%c,
+
+#   defbi=
+#	Set the line spacing to 8/60 inch (7.5 lines per inch)
+#	to get 180 dots per inch vertically (7.5 lines/" * 24 pins/line).
+#	This requires the printer or emulation in Alternate Graphics Mode.
+#	Set the character spacing to pica (1/10 inch or 10 characters
+#	per inch); at 180 dots per inch horizontally this means 18
+#	dots per character.
+#	Set vertical and horizontal tab stops at the upper left corner
+#	of the image, then tab to the upper left corner.
+#	Note: $<> is a true null (only works with special Curses routine).
+#	THIS ASSUMES WE START AT THE TOP OF THE PAGE! (although
+#	maybe not in the first column.)
+	u6=%?%p5%{1}%=%t\EA\010\E2^R\EB%p2%{24}%/%c$<>\ED%p1%{18}%/%c$<>\013\r\t%;,
+	defbi=%?%p5%{1}%=%t\EA\010\E2^R\EB%p2%{24}%/%c$<>\ED%p1%{18}%/%c$<>\013\r\t%;,
+
+	use=Gibmc+low+5x6,
+
diff --git a/usr/src/cmd/lp/terminfo/unknown.ti b/usr/src/cmd/lp/terminfo/unknown.ti
new file mode 100644
index 0000000000..85f95a606e
--- /dev/null
+++ b/usr/src/cmd/lp/terminfo/unknown.ti
@@ -0,0 +1,30 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
+#	  All Rights Reserved
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.1	*/
+unknown,
+	am, gn,
+	cols#80,
+	bel=^G, cr=\r, cud1=\n, ind=\n,
diff --git a/usr/src/cmd/machid/Makefile b/usr/src/cmd/machid/Makefile
new file mode 100644
index 0000000000..6a3c7138dc
--- /dev/null
+++ b/usr/src/cmd/machid/Makefile
@@ -0,0 +1,80 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+# Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+PROG=	machid
+
+include ../Makefile.cmd
+
+#
+#	List of all links present on all architectures and machines.
+#
+#	Note that this function is obsolesent and we don't generally
+#	add to this list (see psarc/1992/171).
+#
+FIRSTLINK =	i286
+LINKS =		i386 i486 i860 i86pc iAPX286 \
+		m68k mc68000 mc68010 mc68020 mc68030 mc68040 \
+		sparc sun sun2 sun3 sun3x sun4 sun4c sun4m sun4d sun4e \
+		u370 u3b u3b15 u3b2 u3b5 vax pdp11
+
+ROOTFIRSTLINK =	$(ROOTBIN)/$(FIRSTLINK)
+ROOTLINKS =	$(LINKS:%=$(ROOTBIN)/%)
+
+#
+#     Install the program as the first machine in the list.
+#
+INSTALLIT=	$(INS.link)
+$(ROOTFIRSTLINK):=	INSTALLIT = $(INS.rename)
+$(ROOTLINKS):=		INSLINKTARGET = $(ROOTFIRSTLINK)
+
+$(ROOTLINKS):	$(ROOTFIRSTLINK)
+
+#
+#	Link installation rules
+#
+$(ROOTBIN)/%:	$(PROG)
+	$(INSTALLIT)
+
+$(ROOTFIRSTLINK): $(ROOTBIN)
+
+$(ROOTBIN):
+	$(INS.dir)
+
+CFLAGS += $(CCVERBOSE)
+
+.KEEP_STATE:
+
+all: $(PROG) 
+
+install: all $(ROOTLINKS)
+
+clean:
+
+lint:	lint_PROG
+
+include ../Makefile.targ
diff --git a/usr/src/cmd/machid/machid.c b/usr/src/cmd/machid/machid.c
new file mode 100644
index 0000000000..c3d57b91f9
--- /dev/null
+++ b/usr/src/cmd/machid/machid.c
@@ -0,0 +1,137 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 1993-1994, by Sun Microsystems, Inc.
+ */
+
+/*
+ * This program replicates the function of the links from a machine name
+ * (such as sun4c) through /usr/kvm to true or false as appropriate.  It
+ * knows the correct special cases.
+ *
+ * IMPORTANT NOTE:
+ *
+ * Do not modify this program to know about additional special cases or
+ * reflect new platforms or instruction set architectures.  This is a
+ * deprecated interface and strictly for backwards compatibility.  This
+ * is psarc/1992/171.  Note the following excerpt from the opinion:
+ *
+ *    It is most important to note that the manual page states in
+ *    the NOTES section:  "The machid family of commands is
+ *    obsolete.  Use uname -p and uname -m instead."
+ *
+ *    The intent of Kernel Architecture Project team is to provide
+ *    only enough functionality to mimic the existing definitions
+ *    on the SPARC and Intel x86 versions of Solaris 2.x.  No new
+ *    identifiers will ever be added to the documented and
+ *    undocumented identifiers listed above.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <limits.h>
+#include <sys/systeminfo.h>
+
+static char	static_buf[SYS_NMLN];
+static char	*progname;
+
+static void get_info_item(int command, char **buf, long *count);
+
+/* ARGSUSED */
+int
+main(int argc, char *argv[], char *envp[])
+{
+	char	*buf = &static_buf[0];
+	long	buflen = SYS_NMLN;
+
+	if ((progname = strrchr(argv[0], '/')) == NULL)
+		progname = argv[0];
+	else
+		progname++;
+
+	/*
+	 * First possible match is on the processor type.
+	 *
+	 * Special case for architectures: i386 matches i486 and visa versa.
+	 */
+	get_info_item(SI_ARCHITECTURE, &buf, &buflen);
+	if (strcmp(buf, progname) == 0)
+		return (0);
+	if ((strcmp(buf, "i386") == 0 && strcmp(progname, "i486") == 0) ||
+	    (strcmp(buf, "i486") == 0 && strcmp(progname, "i386") == 0))
+		return (0);
+
+	/*
+	 * Next possible match is the machine, or more exactly, the value
+	 * which would be returned by uname(2) in the machine field or uname(1)
+	 * with the -m option.  For historical reasons this is really is
+	 * often a class of platforms which are identical to userland processes
+	 * such as sun4c, sun4m, etc.
+	 */
+	get_info_item(SI_MACHINE, &buf, &buflen);
+	if (strcmp(buf, progname) == 0)
+		return (0);
+
+	/*
+	 * Finally, match the vendor.  We hardwire in one historical match.
+	 */
+	get_info_item(SI_HW_PROVIDER, &buf, &buflen);
+	if (strcmp(buf, progname) == 0)
+		return (0);
+	if (strcasecmp(buf, "Sun_Microsystems") == 0 &&
+	    strcmp("sun", progname) == 0)
+		return (0);
+
+	return (255);
+}
+
+/*
+ * get_info_item is a wrapper around the sysinfo system call. It makes sure
+ * the buffer is large enough, returning a larger buffer if needed.  On
+ * unrecoverable error, it exits.  An error message doesn't help and makes
+ * this tiny program link stdio and maybe deal with internationalization,
+ * so the best thing is to die silently.  Note that the larger buffer is
+ * retained for later use.  Reality is that the buffer will always be big
+ * enough, but this is coded to the spec rather than implementation.
+ */
+static void
+get_info_item(int command, char **buf, long *count)
+{
+	long	error;
+
+	error = sysinfo(command, *buf, *count);
+	if (error > *count) {
+		*count = error;
+		if (*buf != static_buf) {
+			free(*buf);
+		}
+		*buf = (char *) malloc(*count);
+		error = sysinfo(command, *buf, *count);
+	}
+
+	if (error == -1)
+		exit(-1);
+}
diff --git a/usr/src/cmd/man/Makefile b/usr/src/cmd/man/Makefile
index 911bae6340..7c7afebb10 100644
--- a/usr/src/cmd/man/Makefile
+++ b/usr/src/cmd/man/Makefile
@@ -14,12 +14,7 @@
 # Copyright 2014 Garrett D'Amore <garrett@damore.org>
 #
 
-PROG=		man
-LINKS=		apropos whatis catman
-LIBLINKS =	makewhatis
-OBJS=		makewhatis.o man.o stringlist.o
-SRCS=		$(OBJS:%.o=%.c)
-
+include 	Makefile.com
 include		$(SRC)/cmd/Makefile.cmd
 
 CFLAGS +=	$(CCVERBOSE)
diff --git a/usr/src/cmd/man/Makefile.com b/usr/src/cmd/man/Makefile.com
new file mode 100644
index 0000000000..8f1b3adf7d
--- /dev/null
+++ b/usr/src/cmd/man/Makefile.com
@@ -0,0 +1,23 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2012 Nexenta Systems, Inc. All rights reserved.
+# Copyright 2014 Garrett D'Amore <garrett@damore.org>
+#
+
+PROG=		man
+LINKS=		apropos whatis catman
+LIBLINKS =	makewhatis
+OBJS=		makewhatis.o man.o stringlist.o
+SRCS=		$(OBJS:%.o=%.c)
+
+
diff --git a/usr/src/cmd/mdb/Makefile.common b/usr/src/cmd/mdb/Makefile.common
index 4e282bf001..b78836c741 100644
--- a/usr/src/cmd/mdb/Makefile.common
+++ b/usr/src/cmd/mdb/Makefile.common
@@ -38,7 +38,8 @@ COMMON_MODULES_PROC = \
 	libuutil \
 	libzpool \
 	mdb_ds \
-	mdb_test
+	mdb_test \
+	v8
 
 #
 # MDB modules used for debugging user processes which are only 32-bit
diff --git a/usr/src/cmd/mdb/Makefile.module b/usr/src/cmd/mdb/Makefile.module
index a1b66e05fb..d613d1ac2a 100644
--- a/usr/src/cmd/mdb/Makefile.module
+++ b/usr/src/cmd/mdb/Makefile.module
@@ -23,6 +23,7 @@
 # Use is subject to license terms.
 #
 # Copyright (c) 2013 by Delphix. All rights reserved.
+# Copyright 2015, Joyent, Inc.
 #
 
 .KEEP_STATE:
@@ -31,9 +32,10 @@
 include $(SRC)/cmd/mdb/Makefile.tools
 
 $(KMOD_SOURCES_DIFFERENT)KMODSRCS = $(MODSRCS)
+$(KMOD_SOURCES_DIFFERENT)KMODASMSRCS = $(MODASMSRCS)
 
-MODOBJS = $(MODSRCS:%.c=dmod/%.o)
-KMODOBJS = $(KMODSRCS:%.c=kmod/%.o)
+MODOBJS = $(MODSRCS:%.c=dmod/%.o) $(MODASMSRCS:%.s=dmod/%.o)
+KMODOBJS = $(KMODSRCS:%.c=kmod/%.o) $(KMODASMSRCS:%.s=kmod/%.o)
 
 MODNAME = $(MODULE:%.so=%)
 KMODULE = $(MODNAME)
@@ -102,6 +104,8 @@ CFLAGS64		+= $(CCVERBOSE)
 CPPFLAGS		+= $($(MDBTGT)_TGTFLAGS) -I../../../common
 LDFLAGS			+= $(ZTEXT)
 LDFLAGS64		+= $(ZTEXT)
+ASFLAGS			+= -P
+AS_CPPFLAGS		+= -D_ASM
 
 # Module type-specific compiler flags
 $(MODOBJS) :=			CFLAGS += $(C_BIGPICFLAGS) $(XREGSFLAG)
@@ -209,18 +213,34 @@ dmod/%.o kmod/%.o: %.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+dmod/%.o kmod%.o: %.s
+	$(COMPILE.s) -o $@ $<
+	$(CTFCONVERT_O)
+
 dmod/%.o kmod/%.o: ../%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+dmod/%.o kmod%.o: ../%.s
+	$(COMPILE.s) -o $@ $<
+	$(CTFCONVERT_O)
+
 dmod/%.o kmod/%.o: ../../../common/modules/$(MODNAME)/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+dmod/%.o kmod%.o: ../../../common/modules/$(MODNAME)/%.s
+	$(COMPILE.s) -o $@ $<
+	$(CTFCONVERT_O)
+
 dmod/%.o kmod/%.o: $$(MODSRCS_DIR)/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+dmod/%.o kmod%.o: $$(MODSRCS_DIR)/%.s
+	$(COMPILE.s) -o $@ $<
+	$(CTFCONVERT_O)
+
 #
 # Lint
 #
diff --git a/usr/src/cmd/mdb/common/kmdb/kmdb_ctf_open.c b/usr/src/cmd/mdb/common/kmdb/kmdb_ctf_open.c
index bfa1d1d072..24da420f6f 100644
--- a/usr/src/cmd/mdb/common/kmdb/kmdb_ctf_open.c
+++ b/usr/src/cmd/mdb/common/kmdb/kmdb_ctf_open.c
@@ -22,10 +22,9 @@
 /*
  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright (c) 2015, Joyent, Inc.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 /*
  * libctf open/close interposition layer
  *
@@ -101,3 +100,10 @@ mdb_ctf_close(ctf_file_t *fp)
 {
 	ctf_close(fp);
 }
+
+/*ARGSUSED*/
+int
+mdb_ctf_write(const char *file, ctf_file_t *fp)
+{
+	return (ENOTSUP);
+}
diff --git a/usr/src/cmd/mdb/common/kmdb/kmdb_promif.c b/usr/src/cmd/mdb/common/kmdb/kmdb_promif.c
index 81ac1eacfc..f39fb83c9b 100644
--- a/usr/src/cmd/mdb/common/kmdb/kmdb_promif.c
+++ b/usr/src/cmd/mdb/common/kmdb/kmdb_promif.c
@@ -742,10 +742,10 @@ kmdb_prom_debugger_exit(void)
 	mdb.m_pio = NULL;
 }
 
-#ifdef DEBUG
 /*
- * The prom_* files use ASSERT, which is #defined as assfail().
- * We need to redirect that to our assert function.
+ * The prom_* files use ASSERT, which is #defined as assfail().  We need to
+ * redirect that to our assert function. This is also used by the various STAND
+ * libraries.
  */
 int
 kmdb_prom_assfail(const char *assertion, const char *file, int line)
@@ -754,7 +754,6 @@ kmdb_prom_assfail(const char *assertion, const char *file, int line)
 	/*NOTREACHED*/
 	return (0);
 }
-#endif
 
 /*
  * Begin the initialization of the debugger/PROM interface.  Initialization is
diff --git a/usr/src/cmd/mdb/common/libstandctf/ctf_subr.c b/usr/src/cmd/mdb/common/libstandctf/ctf_subr.c
index 0a211fcd22..e8c703e754 100644
--- a/usr/src/cmd/mdb/common/libstandctf/ctf_subr.c
+++ b/usr/src/cmd/mdb/common/libstandctf/ctf_subr.c
@@ -24,8 +24,6 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <mdb/mdb_debug.h>
 #include <mdb/mdb.h>
 
@@ -67,6 +65,13 @@ ctf_fdopen(int fd, int *errp)
 
 /*ARGSUSED*/
 ctf_file_t *
+ctf_fdcreate_int(int fd, int *errp, ctf_sect_t *ctfp)
+{
+	return (ctf_set_open_errno(errp, ENOTSUP));
+}
+
+/*ARGSUSED*/
+ctf_file_t *
 ctf_open(const char *filename, int *errp)
 {
 	return (ctf_set_open_errno(errp, ENOTSUP));
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_cmds.c b/usr/src/cmd/mdb/common/mdb/mdb_cmds.c
index e9829bd6c2..95b216cfbe 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_cmds.c
+++ b/usr/src/cmd/mdb/common/mdb/mdb_cmds.c
@@ -26,7 +26,7 @@
 
 /*
  * Copyright (c) 2012 by Delphix. All rights reserved.
- * Copyright (c) 2013 Joyent, Inc. All rights reserved.
+ * Copyright (c) 2015 Joyent, Inc. All rights reserved.
  * Copyright (c) 2013 Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
  */
 
@@ -2977,7 +2977,7 @@ const mdb_dcmd_t mdb_dcmd_builtins[] = {
 	{ "status", NULL, "print summary of current target", cmd_notsup },
 	{ "term", NULL, "display current terminal type", cmd_term },
 	{ "typeset", "[+/-t] var ...", "set variable attributes", cmd_typeset },
-	{ "typedef", "[-c model | -d | -l | -r file ] [type] [name]",
+	{ "typedef", "[-c model | -d | -l | -r file | -w file ] [type] [name]",
 		"create synthetic types", cmd_typedef, cmd_typedef_help },
 	{ "unset", "[name ...]", "unset variables", cmd_unset },
 	{ "vars", "[-npt]", "print listing of variables", cmd_vars },
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_ctf.c b/usr/src/cmd/mdb/common/mdb/mdb_ctf.c
index 072ac9ef12..358853e660 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_ctf.c
+++ b/usr/src/cmd/mdb/common/mdb/mdb_ctf.c
@@ -24,7 +24,7 @@
  */
 /*
  * Copyright (c) 2013 by Delphix. All rights reserved.
- * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc.  All rights reserved.
  */
 
 #include <mdb/mdb_ctf.h>
@@ -37,6 +37,7 @@
 
 #include <libctf.h>
 #include <string.h>
+#include <limits.h>
 
 typedef struct tnarg {
 	mdb_tgt_t *tn_tgt;		/* target to use for lookup */
@@ -781,8 +782,9 @@ mdb_ctf_enum_iter(mdb_ctf_id_t id, mdb_ctf_enum_f *cb, void *data)
 /*
  * callback proxy for mdb_ctf_type_iter
  */
+/* ARGSUSED */
 static int
-type_iter_cb(ctf_id_t type, void *data)
+type_iter_cb(ctf_id_t type, boolean_t root, void *data)
 {
 	type_iter_t *tip = data;
 	mdb_ctf_id_t id;
@@ -812,7 +814,7 @@ mdb_ctf_type_iter(const char *object, mdb_ctf_type_f *cb, void *data)
 	ti.ti_arg = data;
 	ti.ti_fp = fp;
 
-	if ((ret = ctf_type_iter(fp, type_iter_cb, &ti)) == CTF_ERR)
+	if ((ret = ctf_type_iter(fp, B_FALSE, type_iter_cb, &ti)) == CTF_ERR)
 		return (set_errno(ctf_to_errno(ctf_errno(fp))));
 
 	return (ret);
@@ -1780,7 +1782,6 @@ mdb_ctf_synthetics_create_base(int kind)
 	return (0);
 
 discard:
-	err = set_errno(ctf_to_errno(ctf_errno(cp)));
 	(void) ctf_discard(cp);
 	return (err);
 }
@@ -1939,7 +1940,7 @@ mdb_ctf_add_member(const mdb_ctf_id_t *p, const char *name,
 		return (set_errno(ctf_to_errno(ctf_errno(mdb.m_synth))));
 	}
 
-	id = ctf_add_member(mdb.m_synth, mcip->mci_id, name, mtid);
+	id = ctf_add_member(mdb.m_synth, mcip->mci_id, name, mtid, ULONG_MAX);
 	if (id == CTF_ERR) {
 		mdb_dprintf(MDB_DBG_CTF, "failed to add member %s: %s\n",
 		    name, ctf_errmsg(ctf_errno(mdb.m_synth)));
@@ -2040,7 +2041,7 @@ mdb_ctf_add_pointer(const mdb_ctf_id_t *p, mdb_ctf_id_t *rid)
 	}
 
 
-	id = ctf_add_pointer(mdb.m_synth, CTF_ADD_ROOT, id);
+	id = ctf_add_pointer(mdb.m_synth, CTF_ADD_ROOT, NULL, id);
 	if (id == CTF_ERR) {
 		mdb_dprintf(MDB_DBG_CTF, "failed to add pointer: %s\n",
 		    ctf_errmsg(ctf_errno(mdb.m_synth)));
@@ -2088,6 +2089,7 @@ mdb_ctf_type_delete(const mdb_ctf_id_t *id)
 	return (0);
 }
 
+/* ARGSUSED */
 static int
 mdb_ctf_synthetics_file_cb(mdb_ctf_id_t id, void *arg)
 {
@@ -2125,7 +2127,7 @@ mdb_ctf_synthetics_from_file(const char *file)
 	ti.ti_fp = fp;
 	ti.ti_arg = syn;
 	ti.ti_cb = mdb_ctf_synthetics_file_cb;
-	if (ctf_type_iter(fp, type_iter_cb, &ti) == CTF_ERR) {
+	if (ctf_type_iter(fp, B_FALSE, type_iter_cb, &ti) == CTF_ERR) {
 		ret = set_errno(ctf_to_errno(ctf_errno(fp)));
 		mdb_warn("failed to add types");
 		goto cleanup;
@@ -2142,3 +2144,30 @@ cleanup:
 		(void) ctf_discard(syn);
 	return (ret);
 }
+
+int
+mdb_ctf_synthetics_to_file(const char *file)
+{
+	int err;
+	ctf_file_t *fp = mdb.m_synth;
+
+	if (fp == NULL) {
+		mdb_warn("synthetic types are disabled, not writing "
+		    "anything\n");
+		return (DCMD_ERR);
+	}
+
+	err = mdb_ctf_write(file, fp);
+	if (err != 0) {
+		if (err == CTF_ERR) {
+			(void) set_errno(ctf_to_errno(ctf_errno(fp)));
+		} else {
+			(void) set_errno(err);
+		}
+		err = DCMD_ERR;
+	} else {
+		err = DCMD_OK;
+	}
+
+	return (err);
+}
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_ctf.h b/usr/src/cmd/mdb/common/mdb/mdb_ctf.h
index 2396145299..85e60494d0 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_ctf.h
+++ b/usr/src/cmd/mdb/common/mdb/mdb_ctf.h
@@ -24,7 +24,7 @@
  */
 /*
  * Copyright (c) 2013 by Delphix. All rights reserved.
- * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc.
  */
 
 #ifndef	_MDB_CTF_H
@@ -151,10 +151,12 @@ extern int mdb_ctf_readsym(void *, const char *, const char *, uint_t);
 extern ctf_file_t *mdb_ctf_open(const char *, int *);		/* Internal */
 extern ctf_file_t *mdb_ctf_bufopen(const void *, size_t,	/* Internal */
     const void *, Shdr *, const void *, Shdr *, int *);
+extern int mdb_ctf_write(const char *, ctf_file_t *fp);		/* Internal */
 extern void mdb_ctf_close(ctf_file_t *fp);			/* Internal */
 extern int mdb_ctf_synthetics_init(void);			/* Internal */
 extern void mdb_ctf_synthetics_fini(void);			/* Internal */
 extern int mdb_ctf_synthetics_from_file(const char *);		/* Internal */
+extern int mdb_ctf_synthetics_to_file(const char *);		/* Internal */
 
 #endif
 
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_ctf_open.c b/usr/src/cmd/mdb/common/mdb/mdb_ctf_open.c
index 730a9a4599..525cb5e88a 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_ctf_open.c
+++ b/usr/src/cmd/mdb/common/mdb/mdb_ctf_open.c
@@ -22,10 +22,9 @@
 /*
  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright (c) 2015, Joyent, Inc.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 /*
  * libctf open/close interposition layer
  *
@@ -36,6 +35,11 @@
 
 #include <mdb/mdb_ctf.h>
 #include <libctf.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
 
 ctf_file_t *
 mdb_ctf_open(const char *filename, int *errp)
@@ -48,3 +52,22 @@ mdb_ctf_close(ctf_file_t *fp)
 {
 	ctf_close(fp);
 }
+
+int
+mdb_ctf_write(const char *filename, ctf_file_t *fp)
+{
+	int fd, ret;
+
+	if ((fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, 0644)) < 0)
+		return (errno);
+
+	if (ctf_write(fp, fd) == CTF_ERR) {
+		(void) close(fd);
+		return (CTF_ERR);
+	}
+
+	ret = close(fd);
+	if (ret != 0)
+		ret = errno;
+	return (ret);
+}
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_debug.c b/usr/src/cmd/mdb/common/mdb/mdb_debug.c
index d373d3726e..a158864a28 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_debug.c
+++ b/usr/src/cmd/mdb/common/mdb/mdb_debug.c
@@ -24,8 +24,6 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <mdb/mdb_debug.h>
 #include <mdb/mdb_err.h>
 #include <mdb/mdb_io.h>
@@ -157,7 +155,6 @@ mdb_dmode(uint_t bits)
 	mdb.m_debug = bits;
 }
 
-#ifdef DEBUG
 int
 mdb_dassert(const char *expr, const char *file, int line)
 {
@@ -165,7 +162,6 @@ mdb_dassert(const char *expr, const char *file, int line)
 	/*NOTREACHED*/
 	return (0);
 }
-#endif
 
 /*
  * Function to convert mdb longjmp codes (see <mdb/mdb.h>) into a string for
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_debug.h b/usr/src/cmd/mdb/common/mdb/mdb_debug.h
index cf3b97b499..f889238e4f 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_debug.h
+++ b/usr/src/cmd/mdb/common/mdb/mdb_debug.h
@@ -27,8 +27,6 @@
 #ifndef	_MDB_DEBUG_H
 #define	_MDB_DEBUG_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #ifdef	__cplusplus
 extern "C" {
 #endif
@@ -66,8 +64,8 @@ extern void mdb_dmode(uint_t);
 
 extern const char *mdb_err2str(int);
 
-#ifdef DEBUG
 extern int mdb_dassert(const char *, const char *, int);
+#ifdef DEBUG
 #define	ASSERT(x)	((void)((x) || mdb_dassert(#x, __FILE__, __LINE__)))
 #else
 #define	ASSERT(x)
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_demangle.c b/usr/src/cmd/mdb/common/mdb/mdb_demangle.c
index 7ab7d19716..27c8a1d21d 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_demangle.c
+++ b/usr/src/cmd/mdb/common/mdb/mdb_demangle.c
@@ -24,7 +24,9 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+ */
 
 #include <mdb/mdb_modapi.h>
 #include <mdb/mdb_demangle.h>
@@ -263,7 +265,8 @@ int
 cmd_demangle(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 {
 	mdb_demangler_t *dmp = mdb.m_demangler;
-	const char *path = LIB_DEMANGLE;
+	const char *path;
+	char buf[MAXPATHLEN];
 
 	if (argc > 1 || (argc > 0 && argv->a_type != MDB_TYPE_STRING))
 		return (DCMD_USAGE);
@@ -272,6 +275,10 @@ cmd_demangle(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 		if (dmp != NULL)
 			mdb_dem_unload(mdb.m_demangler);
 		path = argv->a_un.a_str;
+	} else {
+		(void) snprintf(buf, MAXPATHLEN,
+		    "%s/%s", mdb.m_root, LIB_DEMANGLE);
+		path = buf;
 	}
 
 	if (dmp != NULL && argc == 0 && !(mdb.m_flags & MDB_FL_DEMANGLE)) {
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_main.c b/usr/src/cmd/mdb/common/mdb/mdb_main.c
index 90e048bb82..a30ee45b7e 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_main.c
+++ b/usr/src/cmd/mdb/common/mdb/mdb_main.c
@@ -25,7 +25,7 @@
  */
 
 /*
- * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
  */
 
 #include <sys/types.h>
@@ -51,6 +51,7 @@
 #include <libctf.h>
 #include <errno.h>
 #include <kvm.h>
+#include <zone.h>
 
 #include <mdb/mdb_lex.h>
 #include <mdb/mdb_debug.h>
@@ -797,9 +798,15 @@ main(int argc, char *argv[], char *envp[])
 		if (strchr(pidarg, '/') != NULL)
 			(void) mdb_iob_snprintf(object, MAXPATHLEN,
 			    "%s/object/a.out", pidarg);
-		else
+		else {
+			const char *root;
+
 			(void) mdb_iob_snprintf(object, MAXPATHLEN,
-			    "/proc/%s/object/a.out", pidarg);
+			    "%s/proc/%s/object/a.out",
+			    (root = zone_get_nroot()) != NULL ? root : "",
+			    pidarg);
+		}
+
 		tgt_argv[tgt_argc++] = object;
 		tgt_argv[tgt_argc++] = pidarg;
 	}
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_modapi.h b/usr/src/cmd/mdb/common/mdb/mdb_modapi.h
index 9d08a18c69..c6b4956b3b 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_modapi.h
+++ b/usr/src/cmd/mdb/common/mdb/mdb_modapi.h
@@ -22,7 +22,7 @@
 /*
  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2013 by Delphix. All rights reserved.
- * Copyright (c) 2012 Joyent, Inc. All rights reserved.
+ * Copyright (c) 2013 Joyent, Inc. All rights reserved.
  */
 
 #ifndef	_MDB_MODAPI_H
@@ -71,7 +71,13 @@ extern "C" {
 #define	MAX(x, y) ((x) > (y) ? (x) : (y))
 #endif
 
+#ifdef MDB_API_VERSION
+#if (MDB_API_VERSION != 3 && MDB_API_VERSION != 4)
+#error "Only modapi versions three and four are supported."
+#endif
+#else /* !MDB_API_VERISON */
 #define	MDB_API_VERSION	4	/* Current API version number */
+#endif /* MDB_API_VERISON */
 
 /*
  * Debugger command function flags:
@@ -85,11 +91,6 @@ extern "C" {
 #define	DCMD_HDRSPEC(fl)	(((fl) & DCMD_LOOPFIRST) || !((fl) & DCMD_LOOP))
 
 /*
- * Debugger tab command function flags
- */
-#define	DCMD_TAB_SPACE	0x01	/* Tab cb invoked with trailing space */
-
-/*
  * Debugger command function return values:
  */
 #define	DCMD_OK		0	/* Dcmd completed successfully */
@@ -118,10 +119,18 @@ typedef struct mdb_arg {
 	} a_un;
 } mdb_arg_t;
 
+#if (MDB_API_VERSION >= 4)
+/*
+ * Debugger tab command function flags
+ */
+#define	DCMD_TAB_SPACE	0x01	/* Tab cb invoked with trailing space */
+
 typedef struct mdb_tab_cookie mdb_tab_cookie_t;
-typedef int mdb_dcmd_f(uintptr_t, uint_t, int, const mdb_arg_t *);
 typedef int mdb_dcmd_tab_f(mdb_tab_cookie_t *, uint_t, int,
     const mdb_arg_t *);
+#endif /* MDB_API_VERSION >= 4 */
+
+typedef int mdb_dcmd_f(uintptr_t, uint_t, int, const mdb_arg_t *);
 
 typedef struct mdb_dcmd {
 	const char *dc_name;		/* Command name */
@@ -129,7 +138,9 @@ typedef struct mdb_dcmd {
 	const char *dc_descr;		/* Description */
 	mdb_dcmd_f *dc_funcp;		/* Command function */
 	void (*dc_help)(void);		/* Command help function (or NULL) */
+#if (MDB_API_VERSION >= 4)
 	mdb_dcmd_tab_f *dc_tabp;	/* Tab completion function */
+#endif
 } mdb_dcmd_t;
 
 #define	WALK_ERR	-1		/* Walk fatal error (terminate walk) */
@@ -346,6 +357,7 @@ typedef void (*mdb_callback_f)(void *);
 extern void *mdb_callback_add(int, mdb_callback_f, void *);
 extern void mdb_callback_remove(void *);
 
+#if (MDB_API_VERSION >= 4)
 #define	MDB_TABC_ALL_TYPES	0x1	/* Include array types in type output */
 #define	MDB_TABC_MEMBERS	0x2	/* Tab comp. types with members */
 #define	MDB_TABC_NOPOINT	0x4	/* Tab comp. everything but pointers */
@@ -370,6 +382,7 @@ extern int mdb_tab_typename(int *, const mdb_arg_t **, char *buf, size_t len);
  */
 extern int mdb_tab_complete_mt(mdb_tab_cookie_t *, uint_t, int,
     const mdb_arg_t *);
+#endif /* MDB_API_VERSION >= 4 */
 
 extern size_t strlcat(char *, const char *, size_t);
 extern char *strcat(char *, const char *);
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_print.c b/usr/src/cmd/mdb/common/mdb/mdb_print.c
index 56275fdded..3be869c2c0 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_print.c
+++ b/usr/src/cmd/mdb/common/mdb/mdb_print.c
@@ -2105,10 +2105,10 @@ cmd_print_tab_common(mdb_tab_cookie_t *mcp, uint_t flags, int argc,
 
 	/*
 	 * This is the reason that tab completion was created. We're going to go
-	 * along and walk the delimiters until we find something a member that
-	 * we don't recognize, at which point we'll try and tab complete it.
-	 * Note that ::print takes multiple args, so this is going to operate on
-	 * whatever the last arg that we have is.
+	 * along and walk the delimiters until we find something in a member
+	 * that we don't recognize, at which point we'll try and tab complete
+	 * it.  Note that ::print takes multiple args, so this is going to
+	 * operate on whatever the last arg that we have is.
 	 */
 	if (mdb_ctf_lookup_by_name(tn, &id) != 0)
 		return (1);
@@ -2118,11 +2118,11 @@ cmd_print_tab_common(mdb_tab_cookie_t *mcp, uint_t flags, int argc,
 	delim = parse_delimiter(&start);
 
 	/*
-	 * If we hit the case where we actually have no delimiters, than we need
+	 * If we hit the case where we actually have no delimiters, then we need
 	 * to make sure that we properly set up the fields the loops would.
 	 */
 	if (delim == MEMBER_DELIM_DONE)
-		(void) mdb_snprintf(member, sizeof (member), "%s", start);
+		(void) mdb_snprintf(member, sizeof (member), start);
 
 	while (delim != MEMBER_DELIM_DONE) {
 		switch (delim) {
@@ -2179,7 +2179,7 @@ cmd_print_tab_common(mdb_tab_cookie_t *mcp, uint_t flags, int argc,
 
 		/*
 		 * We are going to try to resolve this name as a member. There
-		 * are a few two different questions that we need to answer. The
+		 * are a two different questions that we need to answer. The
 		 * first is do we recognize this member. The second is are we at
 		 * the end of the string. If we encounter a member that we don't
 		 * recognize before the end, then we have to error out and can't
@@ -2209,6 +2209,7 @@ cmd_print_tab_common(mdb_tab_cookie_t *mcp, uint_t flags, int argc,
 	 * already have in rid.
 	 */
 	return (mdb_tab_complete_member_by_id(mcp, rid, member));
+
 }
 
 int
@@ -2538,8 +2539,7 @@ print_help(void)
 }
 
 static int
-printf_signed(mdb_ctf_id_t id, uintptr_t addr, ulong_t off, char *fmt,
-    boolean_t sign)
+printf_signed(mdb_ctf_id_t id, uintptr_t addr, ulong_t off, char *fmt, int sign)
 {
 	ssize_t size;
 	mdb_ctf_id_t base;
@@ -2557,7 +2557,7 @@ printf_signed(mdb_ctf_id_t id, uintptr_t addr, ulong_t off, char *fmt,
 	} u;
 
 	if (mdb_ctf_type_resolve(id, &base) == -1) {
-		mdb_warn("could not resolve type");
+		mdb_warn("could not resolve type\n");
 		return (DCMD_ABORT);
 	}
 
@@ -2795,7 +2795,6 @@ printf_string(mdb_ctf_id_t id, uintptr_t addr, ulong_t off, char *fmt)
 	if (size != 1) {
 		mdb_warn("string format specifier requires "
 		    "an array of characters\n");
-		return (DCMD_ABORT);
 	}
 
 	bzero(buf, sizeof (buf));
@@ -2929,7 +2928,7 @@ cmd_printf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 
 	if (argc == 0 || argv[0].a_type != MDB_TYPE_STRING) {
 		mdb_warn("expected a format string\n");
-		return (DCMD_USAGE);
+		return (DCMD_ABORT);
 	}
 
 	/*
@@ -2938,12 +2937,6 @@ cmd_printf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 	 * subset of mdb_printf() format strings that we allow.
 	 */
 	fmt = argv[0].a_un.a_str;
-	/*
-	 * 'dest' must be large enough to hold a copy of the format string,
-	 * plus a NUL and up to 2 additional characters for each conversion
-	 * in the format string.  This gives us a bloat factor of 5/2 ~= 3.
-	 *   e.g. "%d" (strlen of 2) --> "%lld\0" (need 5 bytes)
-	 */
 	dest = mdb_zalloc(strlen(fmt) * 3, UM_SLEEP | UM_GC);
 	fmts = mdb_zalloc(strlen(fmt) * sizeof (char *), UM_SLEEP | UM_GC);
 	funcs = mdb_zalloc(strlen(fmt) * sizeof (void *), UM_SLEEP | UM_GC);
@@ -3126,22 +3119,22 @@ static char _mdb_printf_help[] =
 "\n"
 "  %%    Prints the '%' symbol.\n"
 "  %a    Prints the member in symbolic form.\n"
-"  %d    Prints the member as a decimal integer.  If the member is a signed\n"
+"  %d    Prints the member as a decimal integer. If the member is a signed\n"
 "        integer type, the output will be signed.\n"
 "  %H    Prints the member as a human-readable size.\n"
 "  %I    Prints the member as an IPv4 address (must be 32-bit integer type).\n"
 "  %N    Prints the member as an IPv6 address (must be of type in6_addr_t).\n"
 "  %o    Prints the member as an unsigned octal integer.\n"
 "  %p    Prints the member as a pointer, in hexadecimal.\n"
-"  %q    Prints the member in signed octal.  Honk if you ever use this!\n"
-"  %r    Prints the member as an unsigned value in the current output radix.\n"
-"  %R    Prints the member as a signed value in the current output radix.\n"
+"  %q    Prints the member in signed octal. Honk if you ever use this!\n"
+"  %r    Prints the member as an unsigned value in the current output radix. \n"
+"  %R    Prints the member as a signed value in the current output radix. \n"
 "  %s    Prints the member as a string (requires a pointer or an array of\n"
 "        characters).\n"
 "  %u    Prints the member as an unsigned decimal integer.\n"
 "  %x    Prints the member in hexadecimal.\n"
 "  %X    Prints the member in hexadecimal, using the characters A-F as the\n"
-"        digits for the values 10-15.\n"
+"        digits for the values 10-15. \n"
 "  %Y    Prints the member as a time_t as the string "
 	    "'year month day HH:MM:SS'.\n"
 "\n"
@@ -3154,13 +3147,13 @@ static char _mdb_printf_help[] =
 "\n"
 "The following flag specifers are recognized by ::printf:\n"
 "\n"
-"  %-    Left-justify the output within the specified field width.  If the\n"
+"  %-    Left-justify the output within the specified field width. If the\n"
 "        width of the output is less than the specified field width, the\n"
-"        output will be padded with blanks on the right-hand side.  Without\n"
+"        output will be padded with blanks on the right-hand side. Without\n"
 "        %-, values are right-justified by default.\n"
 "\n"
 "  %0    Zero-fill the output field if the output is right-justified and the\n"
-"        width of the output is less than the specified field width.  Without\n"
+"        width of the output is less than the specified field width. Without\n"
 "        %0, right-justified values are prepended with blanks in order to\n"
 "        fill the field.\n"
 "\n"
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_tab.c b/usr/src/cmd/mdb/common/mdb/mdb_tab.c
index af32623470..66bd18586e 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_tab.c
+++ b/usr/src/cmd/mdb/common/mdb/mdb_tab.c
@@ -388,11 +388,6 @@ mdb_tab_size(mdb_tab_cookie_t *mcp)
 	return (mdb_nv_size(&mcp->mtc_nv));
 }
 
-/*
- * Determine whether the specified name is a valid tab completion for
- * the given command. If the name is a valid tab completion then
- * it will be saved in the mdb_tab_cookie_t.
- */
 void
 mdb_tab_insert(mdb_tab_cookie_t *mcp, const char *name)
 {
@@ -508,31 +503,18 @@ tab_complete_type(mdb_ctf_id_t id, void *arg)
 	mdb_tab_cookie_t *mcp = arg;
 	uint_t flags = (uint_t)(uintptr_t)mcp->mtc_cba;
 
-	/*
-	 * CTF data includes types that mdb commands don't understand. Before
-	 * we resolve the actual type prune any entry that is a type we
-	 * don't care about.
-	 */
-	switch (mdb_ctf_type_kind(id)) {
-	case CTF_K_CONST:
-	case CTF_K_RESTRICT:
-	case CTF_K_VOLATILE:
-		return (0);
-	}
-
 	if (mdb_ctf_type_resolve(id, &rid) != 0)
 		return (1);
 
 	rkind = mdb_ctf_type_kind(rid);
-
-	if ((flags & MDB_TABC_MEMBERS) && rkind != CTF_K_STRUCT &&
+	if (flags & MDB_TABC_MEMBERS && rkind != CTF_K_STRUCT &&
 	    rkind != CTF_K_UNION)
 		return (0);
 
-	if ((flags & MDB_TABC_NOPOINT) && rkind == CTF_K_POINTER)
+	if (flags & MDB_TABC_NOPOINT && rkind == CTF_K_POINTER)
 		return (0);
 
-	if ((flags & MDB_TABC_NOARRAY) && rkind == CTF_K_ARRAY)
+	if (flags & MDB_TABC_NOARRAY && rkind == CTF_K_ARRAY)
 		return (0);
 
 	(void) mdb_ctf_type_name(id, buf, sizeof (buf));
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_termio.c b/usr/src/cmd/mdb/common/mdb/mdb_termio.c
index 5e36cda7ad..dd430bff10 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_termio.c
+++ b/usr/src/cmd/mdb/common/mdb/mdb_termio.c
@@ -26,7 +26,7 @@
 
 /*
  * Copyright (c) 2012 by Delphix. All rights reserved.
- * Copyright (c) 2012 Joyent, Inc. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 /*
@@ -93,8 +93,23 @@
 #define	KEY_ESC	(0x01b)			/* Escape key code */
 #define	KEY_DEL (0x07f)			/* ASCII DEL key code */
 
-#define	META(c)	((c) | 0x080)		/* Convert 'x' to 'M-x' */
-#define	KPAD(c) ((c) | 0x100)		/* Convert 'x' to 'ESC-[-x' */
+/*
+ * These macros support the use of various ranges within the "tio_keymap"
+ * member of "termio_data_t" objects.  This array maps from an input byte, or
+ * special control code, to the appropriate terminal handling callback.  The
+ * array has KEY_MAX (0x1ff) entries, partitioned as follows:
+ *
+ *     0 -  7f		7-bit ASCII byte
+ *    80 -  ff	META()	ASCII byte with Meta key modifier
+ *   100 - 119	KPAD()	Alphabetic character received as part of a single-byte
+ *			cursor control sequence, e.g. ESC [ A
+ *   11a - 123	FKEY()	Numeric character received as part of a function key
+ *			control sequence, e.g. ESC [ 4 ~
+ *   124 - 1ff		Unused
+ */
+#define	META(c)		(((c) & 0x7f) | 0x80)
+#define	KPAD(c)		(((c) < 'A' || (c) > 'Z') ? 0 : ((c) - 'A' + 0x100))
+#define	FKEY(c)		(((c) < '0' || (c) > '9') ? 0 : ((c) - '0' + 0x11a))
 
 /*
  * These macros allow for composition of control sequences for xterm and other
@@ -202,7 +217,7 @@ typedef struct termio_data {
 	mdb_iob_t *tio_out;		/* I/o buffer for terminal output */
 	mdb_iob_t *tio_in;		/* I/o buffer for terminal input */
 	mdb_iob_t *tio_link;		/* I/o buffer to resize on WINCH */
-	keycb_t tio_keymap[KEY_MAX];	/* Keymap (callback functions) */
+	keycb_t tio_keymap[KEY_MAX];	/* Keymap (see comments atop file) */
 	mdb_cmdbuf_t tio_cmdbuf;	/* Editable command-line buffer */
 	struct termios tio_ptios;	/* Parent terminal settings */
 	struct termios tio_ctios;	/* Child terminal settings */
@@ -385,7 +400,7 @@ termio_read(mdb_io_t *io, void *buf, size_t nbytes)
 
 	mdb_bool_t esc = FALSE, pad = FALSE;
 	ssize_t rlen = 0;
-	int c;
+	int c, fkey = 0;
 
 	const char *s;
 	size_t len;
@@ -471,8 +486,42 @@ char_loop:
 		}
 
 		if (pad) {
-			c = KPAD(CTRL(c));
 			pad = FALSE;
+
+			if ((fkey = FKEY(c)) != 0) {
+				/*
+				 * Some terminals send a multibyte control
+				 * sequence for particular function keys.
+				 * These sequences are of the form:
+				 *
+				 *	ESC [ n ~
+				 *
+				 * where "n" is a numeric character from
+				 * 0 to 9.
+				 */
+				goto char_loop;
+			}
+
+			if ((c = KPAD(c)) == 0) {
+				/*
+				 * This was not a valid keypad control
+				 * sequence.
+				 */
+				goto char_loop;
+			}
+		}
+
+		if (fkey != 0) {
+			if (c == '~') {
+				/*
+				 * This is a valid special function key
+				 * sequence.  Use the value we stashed
+				 * earlier.
+				 */
+				c = fkey;
+			}
+
+			fkey = 0;
 		}
 
 		len = td->tio_cmdbuf.cmd_buflen + td->tio_promptlen;
@@ -1486,10 +1535,20 @@ mdb_termio_create(const char *name, mdb_io_t *rio, mdb_io_t *wio)
 	td->tio_keymap[CTRL('d')] = termio_delchar;
 	td->tio_keymap[CTRL('?')] = termio_widescreen;
 
-	td->tio_keymap[KPAD(CTRL('A'))] = termio_prevhist;
-	td->tio_keymap[KPAD(CTRL('B'))] = termio_nexthist;
-	td->tio_keymap[KPAD(CTRL('C'))] = termio_fwdchar;
-	td->tio_keymap[KPAD(CTRL('D'))] = termio_backchar;
+	td->tio_keymap[KPAD('A')] = termio_prevhist;
+	td->tio_keymap[KPAD('B')] = termio_nexthist;
+	td->tio_keymap[KPAD('C')] = termio_fwdchar;
+	td->tio_keymap[KPAD('D')] = termio_backchar;
+
+	/*
+	 * Many modern terminal emulators treat the "Home" and "End" keys on a
+	 * PC keyboard as cursor keys.  Some others use a multibyte function
+	 * key control sequence.  We handle both styles here:
+	 */
+	td->tio_keymap[KPAD('H')] = termio_home;
+	td->tio_keymap[FKEY('1')] = termio_home;
+	td->tio_keymap[KPAD('F')] = termio_end;
+	td->tio_keymap[FKEY('4')] = termio_end;
 
 	/*
 	 * We default both ASCII BS and DEL to termio_backspace for safety.  We
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_typedef.c b/usr/src/cmd/mdb/common/mdb/mdb_typedef.c
index be6411596c..096411a1b7 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_typedef.c
+++ b/usr/src/cmd/mdb/common/mdb/mdb_typedef.c
@@ -10,7 +10,7 @@
  */
 
 /*
- * Copyright (c) 2013 Joyent, Inc. All rights reserved.
+ * Copyright (c) 2015 Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -556,7 +556,18 @@ typedef_readfile(const char *file)
 
 	ret = mdb_ctf_synthetics_from_file(file);
 	if (ret != DCMD_OK)
-		mdb_warn("failed to create synthetics from file\n");
+		mdb_warn("failed to create synthetics from file %s\n", file);
+	return (ret);
+}
+
+static int
+typedef_writefile(const char *file)
+{
+	int ret;
+
+	ret = mdb_ctf_synthetics_to_file(file);
+	if (ret != DCMD_OK)
+		mdb_warn("failed to write synthetics to file %s", file);
 	return (ret);
 }
 
@@ -567,7 +578,7 @@ cmd_typedef(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 	mdb_ctf_id_t id;
 	int i;
 	int destroy = 0, list = 0;
-	const char *cmode = NULL, *rfile = NULL;
+	const char *cmode = NULL, *rfile = NULL, *wfile = NULL;
 	const char *dst, *src;
 	char *dup;
 	parse_root_t *pr;
@@ -579,7 +590,8 @@ cmd_typedef(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 	    'd', MDB_OPT_SETBITS, TRUE, &destroy,
 	    'l', MDB_OPT_SETBITS, TRUE, &list,
 	    'c', MDB_OPT_STR, &cmode,
-	    'r', MDB_OPT_STR, &rfile, NULL);
+	    'r', MDB_OPT_STR, &rfile,
+	    'w', MDB_OPT_STR, &wfile, NULL);
 
 	argc -= i;
 	argv += i;
@@ -596,10 +608,13 @@ cmd_typedef(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 		i++;
 	if (rfile != NULL)
 		i++;
+	if (wfile != NULL)
+		i++;
 	if (i > 1)
 		return (DCMD_USAGE);
 
-	if ((destroy || cmode != NULL || list || rfile != NULL) && argc != 0)
+	if ((destroy || cmode != NULL || list || rfile != NULL ||
+	    wfile != NULL) && argc != 0)
 		return (DCMD_USAGE);
 
 	if (destroy)
@@ -614,6 +629,9 @@ cmd_typedef(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 	if (rfile)
 		return (typedef_readfile(rfile));
 
+	if (wfile)
+		return (typedef_writefile(wfile));
+
 	if (argc < 2)
 		return (DCMD_USAGE);
 
@@ -702,10 +720,16 @@ static char typedef_desc[] =
 "  o packed structures (all structures currently use their natural alignment)\n"
 "\n"
 "::typedef also allows you to read type definitions from a file. Definitions\n"
-"can be read from any ELF file that has a CTF section that libctf can parse.\n"
+"can be read from any ELF file that has a CTF section that libctf can parse\n"
+"or any raw CTF data files, such as those that can be created with ::typedef.\n"
 "You can check if a file has such a section with elfdump(1). If a binary or\n"
 "core dump does not have any type information, but you do have it elsewhere,\n"
 "then you can use ::typedef -r to read in that type information.\n"
+"\n"
+"All built up definitions may be exported as a valid CTF container that can\n"
+"be used again with ::typedef -r or anything that uses libctf. To write them\n"
+"out, use ::typedef -w and specify the name of a file. For more information\n"
+"on the CTF file format, see ctf(4).\n"
 "\n";
 
 static char typedef_opts[] =
@@ -718,6 +742,7 @@ static char typedef_opts[] =
 "  -d         delete all synthetic types\n"
 "  -l         list all synthetic types\n"
 "  -r file    import type definitions (CTF) from another ELF file\n"
+"  -w file    write all type definitions out to file\n"
 "\n";
 
 static char typedef_examps[] =
@@ -729,6 +754,7 @@ static char typedef_examps[] =
 "  ::typedef \"struct list { struct list *l_next; struct list *l_prev; }\" "
 "list_t\n"
 "  ::typedef -r /var/tmp/qemu-system-x86_64\n"
+"  ::typedef -w defs.ctf"
 "\n";
 
 static char typedef_intrins[] =
diff --git a/usr/src/cmd/mdb/common/modules/dtrace/dtrace.c b/usr/src/cmd/mdb/common/modules/dtrace/dtrace.c
index 7858866a01..50ad2c3497 100644
--- a/usr/src/cmd/mdb/common/modules/dtrace/dtrace.c
+++ b/usr/src/cmd/mdb/common/modules/dtrace/dtrace.c
@@ -22,7 +22,7 @@
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2013 by Delphix. All rights reserved.
- * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2013, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -433,6 +433,7 @@ dtracemdb_bufsnap(dtrace_buffer_t *which, dtrace_bufdesc_t *desc)
 	desc->dtbd_size = bufsize;
 	desc->dtbd_drops = buf.dtb_drops;
 	desc->dtbd_errors = buf.dtb_errors;
+	desc->dtbd_timestamp = gethrtime();
 
 	return (0);
 }
diff --git a/usr/src/cmd/mdb/common/modules/genunix/genunix.c b/usr/src/cmd/mdb/common/modules/genunix/genunix.c
index f6a9a02193..152e52b790 100644
--- a/usr/src/cmd/mdb/common/modules/genunix/genunix.c
+++ b/usr/src/cmd/mdb/common/modules/genunix/genunix.c
@@ -21,7 +21,7 @@
 /*
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 Joyent, Inc. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  * Copyright (c) 2013 by Delphix. All rights reserved.
  */
 
@@ -113,10 +113,6 @@
  */
 #define	NINTR		16
 
-#define	KILOS		10
-#define	MEGS		20
-#define	GIGS		30
-
 #ifndef STACK_BIAS
 #define	STACK_BIAS	0
 #endif
@@ -169,6 +165,88 @@ ps_threadprint(uintptr_t addr, const void *data, void *private)
 	return (WALK_NEXT);
 }
 
+static int
+pflags(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	proc_t pr;
+	struct pid pid;
+
+	static const mdb_bitmask_t p_flag_bits[] = {
+		{ "SSYS",		SSYS,		SSYS		},
+		{ "SEXITING",		SEXITING,	SEXITING	},
+		{ "SITBUSY",		SITBUSY,	SITBUSY		},
+		{ "SFORKING",		SFORKING,	SFORKING	},
+		{ "SWATCHOK",		SWATCHOK,	SWATCHOK	},
+		{ "SKILLED",		SKILLED,	SKILLED		},
+		{ "SSCONT",		SSCONT,		SSCONT		},
+		{ "SZONETOP",		SZONETOP,	SZONETOP	},
+		{ "SEXTKILLED",		SEXTKILLED,	SEXTKILLED	},
+		{ "SUGID",		SUGID,		SUGID		},
+		{ "SEXECED",		SEXECED,	SEXECED		},
+		{ "SJCTL",		SJCTL,		SJCTL		},
+		{ "SNOWAIT",		SNOWAIT,	SNOWAIT		},
+		{ "SVFORK",		SVFORK,		SVFORK		},
+		{ "SVFWAIT",		SVFWAIT,	SVFWAIT		},
+		{ "SEXITLWPS",		SEXITLWPS,	SEXITLWPS	},
+		{ "SHOLDFORK",		SHOLDFORK,	SHOLDFORK	},
+		{ "SHOLDFORK1",		SHOLDFORK1,	SHOLDFORK1	},
+		{ "SCOREDUMP",		SCOREDUMP,	SCOREDUMP	},
+		{ "SMSACCT",		SMSACCT,	SMSACCT		},
+		{ "SLWPWRAP",		SLWPWRAP,	SLWPWRAP	},
+		{ "SAUTOLPG",		SAUTOLPG,	SAUTOLPG	},
+		{ "SNOCD",		SNOCD,		SNOCD		},
+		{ "SHOLDWATCH",		SHOLDWATCH,	SHOLDWATCH	},
+		{ "SMSFORK",		SMSFORK,	SMSFORK		},
+		{ "SDOCORE",		SDOCORE,	SDOCORE		},
+		{ NULL,			0,		0		}
+	};
+
+	static const mdb_bitmask_t p_pidflag_bits[] = {
+		{ "CLDPEND",		CLDPEND,	CLDPEND		},
+		{ "CLDCONT",		CLDCONT,	CLDCONT		},
+		{ "CLDNOSIGCHLD",	CLDNOSIGCHLD,	CLDNOSIGCHLD	},
+		{ "CLDWAITPID",		CLDWAITPID,	CLDWAITPID	},
+		{ NULL,			0,		0		}
+	};
+
+	static const mdb_bitmask_t p_proc_flag_bits[] = {
+		{ "P_PR_TRACE",		P_PR_TRACE,	P_PR_TRACE	},
+		{ "P_PR_PTRACE",	P_PR_PTRACE,	P_PR_PTRACE	},
+		{ "P_PR_FORK",		P_PR_FORK,	P_PR_FORK	},
+		{ "P_PR_LOCK",		P_PR_LOCK,	P_PR_LOCK	},
+		{ "P_PR_ASYNC",		P_PR_ASYNC,	P_PR_ASYNC	},
+		{ "P_PR_EXEC",		P_PR_EXEC,	P_PR_EXEC	},
+		{ "P_PR_BPTADJ",	P_PR_BPTADJ,	P_PR_BPTADJ	},
+		{ "P_PR_RUNLCL",	P_PR_RUNLCL,	P_PR_RUNLCL	},
+		{ "P_PR_KILLCL",	P_PR_KILLCL,	P_PR_KILLCL	},
+		{ NULL,			0,		0		}
+	};
+
+	if (!(flags & DCMD_ADDRSPEC)) {
+		if (mdb_walk_dcmd("proc", "pflags", argc, argv) == -1) {
+			mdb_warn("can't walk 'proc'");
+			return (DCMD_ERR);
+		}
+		return (DCMD_OK);
+	}
+
+	if (mdb_vread(&pr, sizeof (pr), addr) == -1 ||
+	    mdb_vread(&pid, sizeof (pid), (uintptr_t)pr.p_pidp) == -1) {
+		mdb_warn("cannot read proc_t or pid");
+		return (DCMD_ERR);
+	}
+
+	mdb_printf("%p [pid %d]:\n", addr, pid.pid_id);
+	mdb_printf("\tp_flag:      %08x <%b>\n", pr.p_flag, pr.p_flag,
+	    p_flag_bits);
+	mdb_printf("\tp_pidflag:   %08x <%b>\n", pr.p_pidflag, pr.p_pidflag,
+	    p_pidflag_bits);
+	mdb_printf("\tp_proc_flag: %08x <%b>\n", pr.p_proc_flag, pr.p_proc_flag,
+	    p_proc_flag_bits);
+
+	return (DCMD_OK);
+}
+
 int
 ps(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 {
@@ -1904,24 +1982,24 @@ typedef struct datafmt {
 } datafmt_t;
 
 static datafmt_t kmemfmt[] = {
-	{ "cache                    ", "name                     ",
-	"-------------------------", "%-25s "				},
-	{ "   buf",	"  size",	"------",	"%6u "		},
-	{ "   buf",	"in use",	"------",	"%6u "		},
-	{ "   buf",	" total",	"------",	"%6u "		},
-	{ "   memory",	"   in use",	"----------",	"%10lu%c "	},
-	{ "    alloc",	"  succeed",	"---------",	"%9u "		},
-	{ "alloc",	" fail",	"-----",	"%5u "		},
+	{ "cache                         ", "name                          ",
+	"------------------------------", "%-30s "			},
+	{ "  buf",	" size",	"-----",	"%5H "		},
+	{ "      buf",	"   in use",	"---------",	"%9u "		},
+	{ "      buf",	"    total",	"---------",	"%9u "		},
+	{ "memory",	"in use",	"------",	"%6lH "		},
+	{ "     alloc",	"   succeed",	"----------",	"%10u "		},
+	{ "alloc",	" fail",	"-----",	"%5u"		},
 	{ NULL,		NULL,		NULL,		NULL		}
 };
 
 static datafmt_t vmemfmt[] = {
-	{ "vmem                     ", "name                     ",
-	"-------------------------", "%-*s "				},
-	{ "   memory",	"   in use",	"----------",	"%9llu%c "	},
-	{ "    memory",	"     total",	"-----------",	"%10llu%c "	},
-	{ "   memory",	"   import",	"----------",	"%9llu%c "	},
-	{ "    alloc",	"  succeed",	"---------",	"%9llu "	},
+	{ "vmem                          ", "name                          ",
+	"------------------------------", "%-*s "			},
+	{ "   memory",	"   in use",	"---------",	"%9llH "	},
+	{ "    memory",	"     total",	"----------",	"%10llH "	},
+	{ "   memory",	"   import",	"---------",	"%9llH "	},
+	{ "     alloc",	"   succeed",	"----------",	"%10llu "	},
 	{ "alloc",	" fail",	"-----",	"%5llu "	},
 	{ NULL,		NULL,		NULL,		NULL		}
 };
@@ -1973,15 +2051,9 @@ typedef struct kmastat_vmem {
 	int kv_fail;
 } kmastat_vmem_t;
 
-typedef struct kmastat_args {
-	kmastat_vmem_t **ka_kvpp;
-	uint_t ka_shift;
-} kmastat_args_t;
-
 static int
-kmastat_cache(uintptr_t addr, const kmem_cache_t *cp, kmastat_args_t *kap)
+kmastat_cache(uintptr_t addr, const kmem_cache_t *cp, kmastat_vmem_t **kvpp)
 {
-	kmastat_vmem_t **kvpp = kap->ka_kvpp;
 	kmastat_vmem_t *kv;
 	datafmt_t *dfp = kmemfmt;
 	int magsize;
@@ -2022,9 +2094,7 @@ out:
 	mdb_printf((dfp++)->fmt, cp->cache_bufsize);
 	mdb_printf((dfp++)->fmt, total - avail);
 	mdb_printf((dfp++)->fmt, total);
-	mdb_printf((dfp++)->fmt, meminuse >> kap->ka_shift,
-	    kap->ka_shift == GIGS ? 'G' : kap->ka_shift == MEGS ? 'M' :
-	    kap->ka_shift == KILOS ? 'K' : 'B');
+	mdb_printf((dfp++)->fmt, meminuse);
 	mdb_printf((dfp++)->fmt, alloc);
 	mdb_printf((dfp++)->fmt, cp->cache_alloc_fail);
 	mdb_printf("\n");
@@ -2033,9 +2103,8 @@ out:
 }
 
 static int
-kmastat_vmem_totals(uintptr_t addr, const vmem_t *v, kmastat_args_t *kap)
+kmastat_vmem_totals(uintptr_t addr, const vmem_t *v, kmastat_vmem_t *kv)
 {
-	kmastat_vmem_t *kv = *kap->ka_kvpp;
 	size_t len;
 
 	while (kv != NULL && kv->kv_addr != addr)
@@ -2044,20 +2113,18 @@ kmastat_vmem_totals(uintptr_t addr, const vmem_t *v, kmastat_args_t *kap)
 	if (kv == NULL || kv->kv_alloc == 0)
 		return (WALK_NEXT);
 
-	len = MIN(17, strlen(v->vm_name));
+	len = MIN(22, strlen(v->vm_name));
 
-	mdb_printf("Total [%s]%*s %6s %6s %6s %10lu%c %9u %5u\n", v->vm_name,
-	    17 - len, "", "", "", "",
-	    kv->kv_meminuse >> kap->ka_shift,
-	    kap->ka_shift == GIGS ? 'G' : kap->ka_shift == MEGS ? 'M' :
-	    kap->ka_shift == KILOS ? 'K' : 'B', kv->kv_alloc, kv->kv_fail);
+	mdb_printf("Total [%s]%*s %5s %9s %9s %6lH %10u %5u\n", v->vm_name,
+	    22 - len, "", "", "", "",
+	    kv->kv_meminuse, kv->kv_alloc, kv->kv_fail);
 
 	return (WALK_NEXT);
 }
 
 /*ARGSUSED*/
 static int
-kmastat_vmem(uintptr_t addr, const vmem_t *v, const uint_t *shiftp)
+kmastat_vmem(uintptr_t addr, const vmem_t *v, const void *ignored)
 {
 	datafmt_t *dfp = vmemfmt;
 	const vmem_kstat_t *vkp = &v->vm_kstat;
@@ -2075,16 +2142,10 @@ kmastat_vmem(uintptr_t addr, const vmem_t *v, const uint_t *shiftp)
 	}
 
 	mdb_printf("%*s", ident, "");
-	mdb_printf((dfp++)->fmt, 25 - ident, v->vm_name);
-	mdb_printf((dfp++)->fmt, vkp->vk_mem_inuse.value.ui64 >> *shiftp,
-	    *shiftp == GIGS ? 'G' : *shiftp == MEGS ? 'M' :
-	    *shiftp == KILOS ? 'K' : 'B');
-	mdb_printf((dfp++)->fmt, vkp->vk_mem_total.value.ui64 >> *shiftp,
-	    *shiftp == GIGS ? 'G' : *shiftp == MEGS ? 'M' :
-	    *shiftp == KILOS ? 'K' : 'B');
-	mdb_printf((dfp++)->fmt, vkp->vk_mem_import.value.ui64 >> *shiftp,
-	    *shiftp == GIGS ? 'G' : *shiftp == MEGS ? 'M' :
-	    *shiftp == KILOS ? 'K' : 'B');
+	mdb_printf((dfp++)->fmt, 30 - ident, v->vm_name);
+	mdb_printf((dfp++)->fmt, vkp->vk_mem_inuse.value.ui64);
+	mdb_printf((dfp++)->fmt, vkp->vk_mem_total.value.ui64);
+	mdb_printf((dfp++)->fmt, vkp->vk_mem_import.value.ui64);
 	mdb_printf((dfp++)->fmt, vkp->vk_alloc.value.ui64);
 	mdb_printf((dfp++)->fmt, vkp->vk_fail.value.ui64);
 
@@ -2099,44 +2160,35 @@ kmastat(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 {
 	kmastat_vmem_t *kv = NULL;
 	datafmt_t *dfp;
-	kmastat_args_t ka;
-
-	ka.ka_shift = 0;
-	if (mdb_getopts(argc, argv,
-	    'k', MDB_OPT_SETBITS, KILOS, &ka.ka_shift,
-	    'm', MDB_OPT_SETBITS, MEGS, &ka.ka_shift,
-	    'g', MDB_OPT_SETBITS, GIGS, &ka.ka_shift, NULL) != argc)
-		return (DCMD_USAGE);
 
 	for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
-		mdb_printf("%s ", dfp->hdr1);
+		mdb_printf("%s%s", dfp == kmemfmt ? "" : " ", dfp->hdr1);
 	mdb_printf("\n");
 
 	for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
-		mdb_printf("%s ", dfp->hdr2);
+		mdb_printf("%s%s", dfp == kmemfmt ? "" : " ", dfp->hdr2);
 	mdb_printf("\n");
 
 	for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
-		mdb_printf("%s ", dfp->dashes);
+		mdb_printf("%s%s", dfp == kmemfmt ? "" : " ", dfp->dashes);
 	mdb_printf("\n");
 
-	ka.ka_kvpp = &kv;
-	if (mdb_walk("kmem_cache", (mdb_walk_cb_t)kmastat_cache, &ka) == -1) {
+	if (mdb_walk("kmem_cache", (mdb_walk_cb_t)kmastat_cache, &kv) == -1) {
 		mdb_warn("can't walk 'kmem_cache'");
 		return (DCMD_ERR);
 	}
 
 	for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
-		mdb_printf("%s ", dfp->dashes);
+		mdb_printf("%s%s", dfp == kmemfmt ? "" : " ", dfp->dashes);
 	mdb_printf("\n");
 
-	if (mdb_walk("vmem", (mdb_walk_cb_t)kmastat_vmem_totals, &ka) == -1) {
+	if (mdb_walk("vmem", (mdb_walk_cb_t)kmastat_vmem_totals, kv) == -1) {
 		mdb_warn("can't walk 'vmem'");
 		return (DCMD_ERR);
 	}
 
 	for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
-		mdb_printf("%s ", dfp->dashes);
+		mdb_printf("%s%s", dfp == kmemfmt ? "" : " ", dfp->dashes);
 	mdb_printf("\n");
 
 	mdb_printf("\n");
@@ -2153,7 +2205,7 @@ kmastat(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 		mdb_printf("%s ", dfp->dashes);
 	mdb_printf("\n");
 
-	if (mdb_walk("vmem", (mdb_walk_cb_t)kmastat_vmem, &ka.ka_shift) == -1) {
+	if (mdb_walk("vmem", (mdb_walk_cb_t)kmastat_vmem, NULL) == -1) {
 		mdb_warn("can't walk 'vmem'");
 		return (DCMD_ERR);
 	}
@@ -3867,6 +3919,7 @@ static const mdb_dcmd_t dcmds[] = {
 	{ "pid2proc", "?", "convert PID to proc_t address", pid2proc },
 	{ "project", NULL, "display kernel project(s)", project },
 	{ "ps", "[-fltzTP]", "list processes (and associated thr,lwp)", ps },
+	{ "pflags", NULL, "display various proc_t flags", pflags },
 	{ "pgrep", "[-x] [-n | -o] pattern",
 		"pattern match against all processes", pgrep },
 	{ "ptree", NULL, "print process tree", ptree },
@@ -3993,8 +4046,7 @@ static const mdb_dcmd_t dcmds[] = {
 	{ "freedby", ":", "given a thread, print its freed buffers", freedby },
 	{ "kmalog", "?[ fail | slab ]",
 	    "display kmem transaction log and stack traces", kmalog },
-	{ "kmastat", "[-kmg]", "kernel memory allocator stats",
-	    kmastat },
+	{ "kmastat", NULL, "kernel memory allocator stats", kmastat },
 	{ "kmausers", "?[-ef] [cache ...]", "current medium and large users "
 		"of the kmem allocator", kmausers, kmausers_help },
 	{ "kmem_cache", "?[-n name]",
@@ -4096,6 +4148,9 @@ static const mdb_dcmd_t dcmds[] = {
 
 	/* from netstack.c */
 	{ "netstack", "", "show stack instances", netstack },
+	{ "netstackid2netstack", ":",
+		"translate a netstack id to its netstack_t",
+		netstackid2netstack },
 
 	/* from nvpair.c */
 	{ NVPAIR_DCMD_NAME, NVPAIR_DCMD_USAGE, NVPAIR_DCMD_DESCR,
@@ -4186,6 +4241,10 @@ static const mdb_dcmd_t dcmds[] = {
 		pfiles_help },
 
 	/* from zone.c */
+	{ "zid2zone", ":", "find the zone_t with the given zone id",
+		zid2zone },
+	{ "zdid2zone", ":", "find the zone_t with the given zone debug id",
+		zdid2zone },
 	{ "zone", "?[-r [-v]]", "display kernel zone(s)", zoneprt },
 	{ "zsd", ":[-v] [zsd_key]", "display zone-specific-data entries for "
 	    "selected zones", zsd },
diff --git a/usr/src/cmd/mdb/common/modules/genunix/netstack.c b/usr/src/cmd/mdb/common/modules/genunix/netstack.c
index 588bd6dbf3..d46bd85d1f 100644
--- a/usr/src/cmd/mdb/common/modules/genunix/netstack.c
+++ b/usr/src/cmd/mdb/common/modules/genunix/netstack.c
@@ -21,10 +21,9 @@
 /*
  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright (c) 2012, Joyent, Inc.  All rights reserved.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <mdb/mdb_modapi.h>
 #include <mdb/mdb_ks.h>
 #include <mdb/mdb_ctf.h>
@@ -121,3 +120,30 @@ netstack(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 
 	return (DCMD_OK);
 }
+
+static int
+netstackid_lookup_cb(uintptr_t addr, const netstack_t *ns, void *arg)
+{
+	netstackid_t nid = *(uintptr_t *)arg;
+	if (ns->netstack_stackid == nid)
+		mdb_printf("%p\n", addr);
+
+	return (WALK_NEXT);
+}
+
+/*ARGSUSED*/
+int
+netstackid2netstack(uintptr_t addr, uint_t flags, int argc,
+    const mdb_arg_t *argv)
+{
+	if (!(flags & DCMD_ADDRSPEC) || argc != 0)
+		return (DCMD_USAGE);
+
+	if (mdb_walk("netstack", (mdb_walk_cb_t)netstackid_lookup_cb, &addr) ==
+	    -1) {
+		mdb_warn("failed to walk zone");
+		return (DCMD_ERR);
+	}
+
+	return (DCMD_OK);
+}
diff --git a/usr/src/cmd/mdb/common/modules/genunix/netstack.h b/usr/src/cmd/mdb/common/modules/genunix/netstack.h
index 392565caca..f5773c36c1 100644
--- a/usr/src/cmd/mdb/common/modules/genunix/netstack.h
+++ b/usr/src/cmd/mdb/common/modules/genunix/netstack.h
@@ -26,8 +26,6 @@
 #ifndef	_NETSTACK_H
 #define	_NETSTACK_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <mdb/mdb_modapi.h>
 
 #ifdef	__cplusplus
@@ -38,6 +36,7 @@ int netstack_walk_init(mdb_walk_state_t *);
 int netstack_walk_step(mdb_walk_state_t *);
 
 int netstack(uintptr_t, uint_t, int, const mdb_arg_t *);
+int netstackid2netstack(uintptr_t, uint_t, int, const mdb_arg_t *);
 
 #ifdef	__cplusplus
 }
diff --git a/usr/src/cmd/mdb/common/modules/genunix/zone.c b/usr/src/cmd/mdb/common/modules/genunix/zone.c
index 96f6b598ec..77ed2cbc48 100644
--- a/usr/src/cmd/mdb/common/modules/genunix/zone.c
+++ b/usr/src/cmd/mdb/common/modules/genunix/zone.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc.  All rights reserved.
  */
 
 #include <mdb/mdb_param.h>
@@ -33,9 +34,9 @@
 
 #define	ZONE_NAMELEN	20
 #ifdef _LP64
-#define	ZONE_PATHLEN	32
+#define	ZONE_PATHLEN	25
 #else
-#define	ZONE_PATHLEN	40
+#define	ZONE_PATHLEN	33
 #endif
 
 /*
@@ -54,6 +55,56 @@ char *zone_status_names[] = {
 	"dead"			/* ZONE_IS_DEAD */
 };
 
+static int
+zid_lookup_cb(uintptr_t addr, const zone_t *zone, void *arg)
+{
+	zoneid_t zid = *(uintptr_t *)arg;
+	if (zone->zone_id == zid)
+		mdb_printf("%p\n", addr);
+
+	return (WALK_NEXT);
+}
+
+/*ARGSUSED*/
+int
+zid2zone(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	if (!(flags & DCMD_ADDRSPEC) || argc != 0)
+		return (DCMD_USAGE);
+
+	if (mdb_walk("zone", (mdb_walk_cb_t)zid_lookup_cb, &addr) == -1) {
+		mdb_warn("failed to walk zone");
+		return (DCMD_ERR);
+	}
+
+	return (DCMD_OK);
+}
+
+static int
+zdid_lookup_cb(uintptr_t addr, const zone_t *zone, void *arg)
+{
+	zoneid_t zdid = *(uintptr_t *)arg;
+	if (zone->zone_did == zdid)
+		mdb_printf("%p\n", addr);
+
+	return (WALK_NEXT);
+}
+
+/*ARGSUSED*/
+int
+zdid2zone(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	if (!(flags & DCMD_ADDRSPEC) || argc != 0)
+		return (DCMD_USAGE);
+
+	if (mdb_walk("zone", (mdb_walk_cb_t)zdid_lookup_cb, &addr) == -1) {
+		mdb_warn("failed to walk zone");
+		return (DCMD_ERR);
+	}
+
+	return (DCMD_OK);
+}
+
 int
 zoneprt(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 {
@@ -96,10 +147,10 @@ zoneprt(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 	 */
 	if (DCMD_HDRSPEC(flags)) {
 		if (ropt_given == FALSE)
-			mdb_printf("%<u>%?s %6s %-13s %-20s %-s%</u>\n",
+			mdb_printf("%<u>%?s %4s %-13s %-19s %-s%</u>\n",
 			    "ADDR", "ID", "STATUS", "NAME", "PATH");
 		else
-			mdb_printf("%<u>%?s %6s %10s %10s %-20s%</u>\n",
+			mdb_printf("%<u>%?s %6s %10s %10s %-19s%</u>\n",
 			    "ADDR", "ID", "REFS", "CREFS", "NAME");
 	}
 
@@ -138,7 +189,7 @@ zoneprt(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 			statusp = zone_status_names[zn.zone_status];
 		else
 			statusp = "???";
-		mdb_printf("%0?p %6d %-13s %-20s %s\n", addr, zn.zone_id,
+		mdb_printf("%0?p %4d %-13s %-19s %s\n", addr, zn.zone_id,
 		    statusp, name, path);
 	} else {
 		/*
@@ -146,7 +197,7 @@ zoneprt(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 		 * Display the zone's subsystem-specific reference counts if
 		 * the user specified the '-v' option.
 		 */
-		mdb_printf("%0?p %6d %10u %10u %-20s\n", addr, zn.zone_id,
+		mdb_printf("%0?p %6d %10u %10u %-19s\n", addr, zn.zone_id,
 		    zn.zone_ref, zn.zone_cred_ref, name);
 		if (vopt_given == TRUE) {
 			GElf_Sym subsys_names_sym;
@@ -384,7 +435,7 @@ zsd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 	 * Prepare to output the specified zone's ZSD information.
 	 */
 	if (DCMD_HDRSPEC(flags))
-		mdb_printf("%<u>%-20s %?s %?s %8s%</u>\n", "ZONE", "KEY",
+		mdb_printf("%<u>%-19s %?s %?s %8s%</u>\n", "ZONE", "KEY",
 		    "VALUE", "FLAGS");
 	len = mdb_readstr(name, ZONE_NAMELEN, (uintptr_t)zone.zone_name);
 	if (len > 0) {
@@ -393,7 +444,7 @@ zsd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 	} else {
 		(void) strcpy(name, "??");
 	}
-	mdb_printf("%-20s ", name);
+	mdb_printf("%-19s ", name);
 
 	/*
 	 * Display the requested ZSD entries.
diff --git a/usr/src/cmd/mdb/common/modules/genunix/zone.h b/usr/src/cmd/mdb/common/modules/genunix/zone.h
index e0e5038527..94a383e41c 100644
--- a/usr/src/cmd/mdb/common/modules/genunix/zone.h
+++ b/usr/src/cmd/mdb/common/modules/genunix/zone.h
@@ -27,14 +27,14 @@
 #ifndef	_ZONE_H
 #define	_ZONE_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <mdb/mdb_modapi.h>
 
 #ifdef	__cplusplus
 extern "C" {
 #endif
 
+extern int zid2zone(uintptr_t, uint_t, int argc, const mdb_arg_t *);
+extern int zdid2zone(uintptr_t, uint_t, int argc, const mdb_arg_t *);
 extern int zoneprt(uintptr_t, uint_t, int argc, const mdb_arg_t *);
 
 extern int zone_walk_init(mdb_walk_state_t *);
diff --git a/usr/src/cmd/mdb/common/modules/libc/libc.c b/usr/src/cmd/mdb/common/modules/libc/libc.c
index 967198e40b..c4b713f096 100644
--- a/usr/src/cmd/mdb/common/modules/libc/libc.c
+++ b/usr/src/cmd/mdb/common/modules/libc/libc.c
@@ -137,6 +137,8 @@ d_ucontext(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 	    uc.uc_stack.ss_sp, uc.uc_stack.ss_size, stack_flags(&uc.uc_stack));
 	mdb_printf("  mcontext = 0x%p\n",
 	    addr + OFFSETOF(ucontext_t, uc_mcontext));
+	mdb_printf("  brand    = 0x%p 0x%p 0x%p\n",
+	    uc.uc_brand_data[0], uc.uc_brand_data[1], uc.uc_brand_data[2]);
 
 	return (DCMD_OK);
 }
@@ -841,14 +843,19 @@ d_uberdata(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 	    prt_addr(uberdata.all_lwps, 1),
 	    prt_addr(uberdata.all_zombies, 0));
 
-	HD("nthreads   nzombies   ndaemons   pid        sigacthandler");
-	mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %s\n",
+	HD("nthreads   nzombies   ndaemons   pid");
+	mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d\n",
 	    OFFSET(nthreads),
 	    uberdata.nthreads,
 	    uberdata.nzombies,
 	    uberdata.ndaemons,
-	    (int)uberdata.pid,
-	    prt_addr((void *)uberdata.sigacthandler, 0));
+	    (int)uberdata.pid);
+
+	HD("sigacthandler         setctxt");
+	mdb_printf(OFFSTR "%s %s\n",
+	    OFFSET(sigacthandler),
+	    prt_addr((void *)uberdata.sigacthandler, 1),
+	    prt_addr((void *)uberdata.setctxt, 1));
 
 	HD("lwp_stacks            lwp_laststack         nfreestack stk_cache");
 	mdb_printf(OFFSTR "%s %s %-10d %d\n",
@@ -871,12 +878,17 @@ d_uberdata(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 	    prt_addr(uberdata.ulwp_replace_last, 1),
 	    prt_addr(uberdata.atforklist, 0));
 
-	HD("robustlocks           robustlist            progname");
-	mdb_printf(OFFSTR "%s %s %s\n",
+	HD("robustlocks           robustlist");
+	mdb_printf(OFFSTR "%s %s\n",
 	    OFFSET(robustlocks),
 	    prt_addr(uberdata.robustlocks, 1),
-	    prt_addr(uberdata.robustlist, 1),
-	    prt_addr(uberdata.progname, 0));
+	    prt_addr(uberdata.robustlist, 1));
+
+	HD("progname              ub_broot");
+	mdb_printf(OFFSTR "%s %s\n",
+	    OFFSET(progname),
+	    prt_addr(uberdata.progname, 1),
+	    prt_addr(uberdata.ub_broot, 1));
 
 	HD("tdb_bootstrap         tdb_sync_addr_hash    tdb_'count tdb_'fail");
 	mdb_printf(OFFSTR "%s %s %-10d %d\n",
diff --git a/usr/src/cmd/mdb/common/modules/mpt_sas/mpt_sas.c b/usr/src/cmd/mdb/common/modules/mpt_sas/mpt_sas.c
index c39583b1f5..6556fc9cd5 100644
--- a/usr/src/cmd/mdb/common/modules/mpt_sas/mpt_sas.c
+++ b/usr/src/cmd/mdb/common/modules/mpt_sas/mpt_sas.c
@@ -24,7 +24,7 @@
  */
 
 /*
- * Copyright 2014 Joyent, Inc.  All rights reserved.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
  * Copyright (c) 2014, Tegile Systems Inc. All rights reserved.
  */
 
@@ -34,6 +34,7 @@
 #include <sys/sunmdi.h>
 #include <sys/list.h>
 #include <sys/scsi/scsi.h>
+#include <sys/refhash.h>
 
 #pragma pack(1)
 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_type.h>
@@ -47,7 +48,6 @@
 #pragma pack()
 
 #include <sys/scsi/adapters/mpt_sas/mptsas_var.h>
-#include <sys/scsi/adapters/mpt_sas/mptsas_hash.h>
 
 struct {
 	int	value;
diff --git a/usr/src/cmd/mdb/common/modules/v8/mdb_v8.c b/usr/src/cmd/mdb/common/modules/v8/mdb_v8.c
new file mode 100644
index 0000000000..6609097742
--- /dev/null
+++ b/usr/src/cmd/mdb/common/modules/v8/mdb_v8.c
@@ -0,0 +1,5709 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
+ */
+
+/*
+ * mdb(1M) module for debugging the V8 JavaScript engine.  This implementation
+ * makes heavy use of metadata defined in the V8 binary for inspecting in-memory
+ * structures.  Canned configurations can be manually loaded for V8 binaries
+ * that predate this metadata.  See mdb_v8_cfg.c for details.
+ *
+ * NOTE: This dmod implementation (including this file and related headers and C
+ * files) exist in both the Node and illumos source trees.  THESE SHOULD BE KEPT
+ * IN SYNC.  The version in the Node tree is built directly into modern Node
+ * binaries as part of the build process, and the version in the illumos source
+ * tree is delivered with the OS for debugging Node binaries that predate
+ * support for including the dmod directly in the binary.  Note too that these
+ * files have different licenses to match their corresponding repositories.
+ */
+
+/*
+ * We hard-code our MDB_API_VERSION to be 3 to allow this module to be
+ * compiled on systems with higher version numbers, but still allow the
+ * resulting binary object to be used on older systems.  (We do not make use
+ * of functionality present in versions later than 3.)  This is particularly
+ * important for mdb_v8 because (1) it's used in particular to debug
+ * application-level software and (2) it has a history of rapid evolution.
+ */
+#define	MDB_API_VERSION		3
+
+#include <sys/mdb_modapi.h>
+#include <assert.h>
+#include <ctype.h>
+#include <inttypes.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <libproc.h>
+#include <sys/avl.h>
+#include <alloca.h>
+
+#include "v8dbg.h"
+#include "v8cfg.h"
+
+#define	offsetof(s, m)	((size_t)(&(((s *)0)->m)))
+
+/*
+ * The "v8_class" and "v8_field" structures describe the C++ classes used to
+ * represent V8 heap objects.
+ */
+typedef struct v8_class {
+	struct v8_class *v8c_next;	/* list linkage */
+	struct v8_class *v8c_parent;	/* parent class (inheritance) */
+	struct v8_field *v8c_fields;	/* array of class fields */
+	size_t		v8c_start;	/* offset of first class field */
+	size_t		v8c_end;	/* offset of first subclass field */
+	char		v8c_name[64];	/* heap object class name */
+} v8_class_t;
+
+typedef struct v8_field {
+	struct v8_field	*v8f_next;	/* list linkage */
+	ssize_t		v8f_offset;	/* field offset */
+	char 		v8f_name[64];	/* field name */
+	boolean_t	v8f_isbyte;	/* 1-byte int field */
+	boolean_t	v8f_isstr;	/* NUL-terminated string */
+} v8_field_t;
+
+/*
+ * Similarly, the "v8_enum" structure describes an enum from V8.
+ */
+typedef struct {
+	char 	v8e_name[64];
+	uint_t	v8e_value;
+} v8_enum_t;
+
+/*
+ * During configuration, the dmod updates these globals with the actual set of
+ * classes, types, and frame types based on the debug metadata.
+ */
+static v8_class_t	*v8_classes;
+
+static v8_enum_t	v8_types[128];
+static int 		v8_next_type;
+
+static v8_enum_t 	v8_frametypes[16];
+static int 		v8_next_frametype;
+
+static int		v8_warnings;
+static int		v8_silent;
+
+/*
+ * The following constants describe offsets from the frame pointer that are used
+ * to inspect each stack frame.  They're initialized from the debug metadata.
+ */
+static ssize_t	V8_OFF_FP_CONTEXT;
+static ssize_t	V8_OFF_FP_MARKER;
+static ssize_t	V8_OFF_FP_FUNCTION;
+static ssize_t	V8_OFF_FP_ARGS;
+
+/*
+ * The following constants are used by macros defined in heap-dbg-common.h to
+ * examine the types of various V8 heap objects.  In general, the macros should
+ * be preferred to using the constants directly.  The values of these constants
+ * are initialized from the debug metadata.
+ */
+static intptr_t	V8_FirstNonstringType;
+static intptr_t	V8_IsNotStringMask;
+static intptr_t	V8_StringTag;
+static intptr_t	V8_NotStringTag;
+static intptr_t	V8_StringEncodingMask;
+static intptr_t	V8_TwoByteStringTag;
+static intptr_t	V8_AsciiStringTag;
+static intptr_t	V8_StringRepresentationMask;
+static intptr_t	V8_SeqStringTag;
+static intptr_t	V8_ConsStringTag;
+static intptr_t	V8_SlicedStringTag;
+static intptr_t	V8_ExternalStringTag;
+static intptr_t	V8_FailureTag;
+static intptr_t	V8_FailureTagMask;
+static intptr_t	V8_HeapObjectTag;
+static intptr_t	V8_HeapObjectTagMask;
+static intptr_t	V8_SmiTag;
+static intptr_t	V8_SmiTagMask;
+static intptr_t	V8_SmiValueShift;
+static intptr_t	V8_SmiShiftSize;
+static intptr_t	V8_PointerSizeLog2;
+
+static intptr_t	V8_ISSHARED_SHIFT;
+static intptr_t	V8_DICT_SHIFT;
+static intptr_t	V8_DICT_PREFIX_SIZE;
+static intptr_t	V8_DICT_ENTRY_SIZE;
+static intptr_t	V8_DICT_START_INDEX;
+static intptr_t	V8_FIELDINDEX_MASK;
+static intptr_t	V8_FIELDINDEX_SHIFT;
+static intptr_t	V8_PROP_IDX_CONTENT;
+static intptr_t	V8_PROP_IDX_FIRST;
+static intptr_t	V8_PROP_TYPE_FIELD;
+static intptr_t	V8_PROP_TYPE_MASK;
+static intptr_t	V8_PROP_DESC_KEY;
+static intptr_t	V8_PROP_DESC_DETAILS;
+static intptr_t	V8_PROP_DESC_VALUE;
+static intptr_t	V8_PROP_DESC_SIZE;
+static intptr_t	V8_TRANSITIONS_IDX_DESC;
+
+static intptr_t V8_TYPE_JSOBJECT = -1;
+static intptr_t V8_TYPE_JSARRAY = -1;
+static intptr_t V8_TYPE_JSFUNCTION = -1;
+static intptr_t V8_TYPE_FIXEDARRAY = -1;
+
+static intptr_t V8_ELEMENTS_KIND_SHIFT;
+static intptr_t V8_ELEMENTS_KIND_BITCOUNT;
+static intptr_t V8_ELEMENTS_FAST_ELEMENTS;
+static intptr_t V8_ELEMENTS_FAST_HOLEY_ELEMENTS;
+static intptr_t V8_ELEMENTS_DICTIONARY_ELEMENTS;
+
+/*
+ * Although we have this information in v8_classes, the following offsets are
+ * defined explicitly because they're used directly in code below.
+ */
+static ssize_t V8_OFF_CODE_INSTRUCTION_SIZE;
+static ssize_t V8_OFF_CODE_INSTRUCTION_START;
+static ssize_t V8_OFF_CONSSTRING_FIRST;
+static ssize_t V8_OFF_CONSSTRING_SECOND;
+static ssize_t V8_OFF_EXTERNALSTRING_RESOURCE;
+static ssize_t V8_OFF_FIXEDARRAY_DATA;
+static ssize_t V8_OFF_FIXEDARRAY_LENGTH;
+static ssize_t V8_OFF_HEAPNUMBER_VALUE;
+static ssize_t V8_OFF_HEAPOBJECT_MAP;
+static ssize_t V8_OFF_JSARRAY_LENGTH;
+static ssize_t V8_OFF_JSDATE_VALUE;
+static ssize_t V8_OFF_JSFUNCTION_SHARED;
+static ssize_t V8_OFF_JSOBJECT_ELEMENTS;
+static ssize_t V8_OFF_JSOBJECT_PROPERTIES;
+static ssize_t V8_OFF_MAP_CONSTRUCTOR;
+static ssize_t V8_OFF_MAP_INOBJECT_PROPERTIES;
+static ssize_t V8_OFF_MAP_INSTANCE_ATTRIBUTES;
+static ssize_t V8_OFF_MAP_INSTANCE_DESCRIPTORS;
+static ssize_t V8_OFF_MAP_INSTANCE_SIZE;
+static ssize_t V8_OFF_MAP_BIT_FIELD;
+static ssize_t V8_OFF_MAP_BIT_FIELD2;
+static ssize_t V8_OFF_MAP_BIT_FIELD3;
+static ssize_t V8_OFF_MAP_TRANSITIONS;
+static ssize_t V8_OFF_ODDBALL_TO_STRING;
+static ssize_t V8_OFF_SCRIPT_LINE_ENDS;
+static ssize_t V8_OFF_SCRIPT_NAME;
+static ssize_t V8_OFF_SCRIPT_SOURCE;
+static ssize_t V8_OFF_SEQASCIISTR_CHARS;
+static ssize_t V8_OFF_SEQONEBYTESTR_CHARS;
+static ssize_t V8_OFF_SEQTWOBYTESTR_CHARS;
+static ssize_t V8_OFF_SHAREDFUNCTIONINFO_CODE;
+static ssize_t V8_OFF_SHAREDFUNCTIONINFO_END_POSITION;
+static ssize_t V8_OFF_SHAREDFUNCTIONINFO_FUNCTION_TOKEN_POSITION;
+static ssize_t V8_OFF_SHAREDFUNCTIONINFO_INFERRED_NAME;
+static ssize_t V8_OFF_SHAREDFUNCTIONINFO_LENGTH;
+static ssize_t V8_OFF_SHAREDFUNCTIONINFO_SCRIPT;
+static ssize_t V8_OFF_SHAREDFUNCTIONINFO_NAME;
+static ssize_t V8_OFF_SLICEDSTRING_PARENT;
+static ssize_t V8_OFF_SLICEDSTRING_OFFSET;
+static ssize_t V8_OFF_STRING_LENGTH;
+
+/* see node_string.h */
+#define	NODE_OFF_EXTSTR_DATA		sizeof (uintptr_t)
+
+#define	V8_CONSTANT_OPTIONAL		1
+#define	V8_CONSTANT_HASFALLBACK		2
+#define	V8_CONSTANT_REMOVED		4
+
+#define	V8_CONSTANT_MAJORSHIFT		3
+#define	V8_CONSTANT_MAJORMASK		((1 << 4) - 1)
+#define	V8_CONSTANT_MAJOR(flags)	\
+	(((flags) >> V8_CONSTANT_MAJORSHIFT) & V8_CONSTANT_MAJORMASK)
+
+#define	V8_CONSTANT_MINORSHIFT		7
+#define	V8_CONSTANT_MINORMASK		((1 << 9) - 1)
+#define	V8_CONSTANT_MINOR(flags)	\
+	(((flags) >> V8_CONSTANT_MINORSHIFT) & V8_CONSTANT_MINORMASK)
+
+#define	V8_CONSTANT_FALLBACK(maj, min) \
+	(V8_CONSTANT_OPTIONAL | V8_CONSTANT_HASFALLBACK | \
+	((maj) << V8_CONSTANT_MAJORSHIFT) | ((min) << V8_CONSTANT_MINORSHIFT))
+
+#define	V8_CONSTANT_REMOVED_SINCE(maj, min) \
+	(V8_CONSTANT_REMOVED | \
+	((maj) << V8_CONSTANT_MAJORSHIFT) | ((min) << V8_CONSTANT_MINORSHIFT))
+
+/*
+ * Table of constants used directly by this file.
+ */
+typedef struct v8_constant {
+	intptr_t	*v8c_valp;
+	const char	*v8c_symbol;
+	uint32_t	v8c_flags;
+	intptr_t	v8c_fallback;
+} v8_constant_t;
+
+static v8_constant_t v8_constants[] = {
+	{ &V8_OFF_FP_CONTEXT,		"v8dbg_off_fp_context"		},
+	{ &V8_OFF_FP_FUNCTION,		"v8dbg_off_fp_function"		},
+	{ &V8_OFF_FP_MARKER,		"v8dbg_off_fp_marker"		},
+	{ &V8_OFF_FP_ARGS,		"v8dbg_off_fp_args"		},
+
+	{ &V8_FirstNonstringType,	"v8dbg_FirstNonstringType"	},
+	{ &V8_IsNotStringMask,		"v8dbg_IsNotStringMask"		},
+	{ &V8_StringTag,		"v8dbg_StringTag"		},
+	{ &V8_NotStringTag,		"v8dbg_NotStringTag"		},
+	{ &V8_StringEncodingMask,	"v8dbg_StringEncodingMask"	},
+	{ &V8_TwoByteStringTag,		"v8dbg_TwoByteStringTag"	},
+	{ &V8_AsciiStringTag,		"v8dbg_AsciiStringTag"		},
+	{ &V8_StringRepresentationMask,	"v8dbg_StringRepresentationMask" },
+	{ &V8_SeqStringTag,		"v8dbg_SeqStringTag"		},
+	{ &V8_ConsStringTag,		"v8dbg_ConsStringTag"		},
+	{ &V8_SlicedStringTag,		"v8dbg_SlicedStringTag",
+	    V8_CONSTANT_FALLBACK(0, 0), 0x3 },
+	{ &V8_ExternalStringTag,	"v8dbg_ExternalStringTag"	},
+	{ &V8_FailureTag,		"v8dbg_FailureTag",
+		V8_CONSTANT_REMOVED_SINCE(3, 28) },
+	{ &V8_FailureTagMask,		"v8dbg_FailureTagMask",
+		V8_CONSTANT_REMOVED_SINCE(3, 28) },
+	{ &V8_HeapObjectTag,		"v8dbg_HeapObjectTag"		},
+	{ &V8_HeapObjectTagMask,	"v8dbg_HeapObjectTagMask"	},
+	{ &V8_SmiTag,			"v8dbg_SmiTag"			},
+	{ &V8_SmiTagMask,		"v8dbg_SmiTagMask"		},
+	{ &V8_SmiValueShift,		"v8dbg_SmiValueShift"		},
+	{ &V8_SmiShiftSize,		"v8dbg_SmiShiftSize",
+#ifdef _LP64
+	    V8_CONSTANT_FALLBACK(0, 0), 31 },
+#else
+	    V8_CONSTANT_FALLBACK(0, 0), 0 },
+#endif
+	{ &V8_PointerSizeLog2,		"v8dbg_PointerSizeLog2"		},
+
+	{ &V8_DICT_SHIFT,		"v8dbg_bit_field3_dictionary_map_shift",
+	    V8_CONSTANT_FALLBACK(3, 13), 24 },
+	{ &V8_DICT_PREFIX_SIZE,		"v8dbg_dict_prefix_size",
+	    V8_CONSTANT_FALLBACK(3, 11), 2 },
+	{ &V8_DICT_ENTRY_SIZE,		"v8dbg_dict_entry_size",
+	    V8_CONSTANT_FALLBACK(3, 11), 3 },
+	{ &V8_DICT_START_INDEX,		"v8dbg_dict_start_index",
+	    V8_CONSTANT_FALLBACK(3, 11), 3 },
+	{ &V8_FIELDINDEX_MASK,		"v8dbg_fieldindex_mask",
+	    V8_CONSTANT_FALLBACK(3, 26), 0x3ff00000 },
+	{ &V8_FIELDINDEX_SHIFT,		"v8dbg_fieldindex_shift",
+	    V8_CONSTANT_FALLBACK(3, 26), 20 },
+	{ &V8_ISSHARED_SHIFT,		"v8dbg_isshared_shift",
+	    V8_CONSTANT_FALLBACK(3, 11), 0 },
+	{ &V8_PROP_IDX_FIRST,		"v8dbg_prop_idx_first"		},
+	{ &V8_PROP_TYPE_FIELD,		"v8dbg_prop_type_field"		},
+	{ &V8_PROP_TYPE_MASK,		"v8dbg_prop_type_mask"		},
+	{ &V8_PROP_IDX_CONTENT,		"v8dbg_prop_idx_content",
+	    V8_CONSTANT_OPTIONAL },
+	{ &V8_PROP_DESC_KEY,		"v8dbg_prop_desc_key",
+	    V8_CONSTANT_FALLBACK(0, 0), 0 },
+	{ &V8_PROP_DESC_DETAILS,	"v8dbg_prop_desc_details",
+	    V8_CONSTANT_FALLBACK(0, 0), 1 },
+	{ &V8_PROP_DESC_VALUE,		"v8dbg_prop_desc_value",
+	    V8_CONSTANT_FALLBACK(0, 0), 2 },
+	{ &V8_PROP_DESC_SIZE,		"v8dbg_prop_desc_size",
+	    V8_CONSTANT_FALLBACK(0, 0), 3 },
+	{ &V8_TRANSITIONS_IDX_DESC,	"v8dbg_transitions_idx_descriptors",
+	    V8_CONSTANT_OPTIONAL },
+
+	{ &V8_ELEMENTS_KIND_SHIFT,	"v8dbg_elements_kind_shift",
+	    V8_CONSTANT_FALLBACK(0, 0), 3 },
+	{ &V8_ELEMENTS_KIND_BITCOUNT,	"v8dbg_elements_kind_bitcount",
+	    V8_CONSTANT_FALLBACK(0, 0), 5 },
+	{ &V8_ELEMENTS_FAST_ELEMENTS,
+	    "v8dbg_elements_fast_elements",
+	    V8_CONSTANT_FALLBACK(0, 0), 2 },
+	{ &V8_ELEMENTS_FAST_HOLEY_ELEMENTS,
+	    "v8dbg_elements_fast_holey_elements",
+	    V8_CONSTANT_FALLBACK(0, 0), 3 },
+	{ &V8_ELEMENTS_DICTIONARY_ELEMENTS,
+	    "v8dbg_elements_dictionary_elements",
+	    V8_CONSTANT_FALLBACK(0, 0), 6 },
+};
+
+static int v8_nconstants = sizeof (v8_constants) / sizeof (v8_constants[0]);
+
+typedef struct v8_offset {
+	ssize_t		*v8o_valp;
+	const char	*v8o_class;
+	const char	*v8o_member;
+	boolean_t	v8o_optional;
+} v8_offset_t;
+
+static v8_offset_t v8_offsets[] = {
+	{ &V8_OFF_CODE_INSTRUCTION_SIZE,
+	    "Code", "instruction_size" },
+	{ &V8_OFF_CODE_INSTRUCTION_START,
+	    "Code", "instruction_start" },
+	{ &V8_OFF_CONSSTRING_FIRST,
+	    "ConsString", "first" },
+	{ &V8_OFF_CONSSTRING_SECOND,
+	    "ConsString", "second" },
+	{ &V8_OFF_EXTERNALSTRING_RESOURCE,
+	    "ExternalString", "resource" },
+	{ &V8_OFF_FIXEDARRAY_DATA,
+	    "FixedArray", "data" },
+	{ &V8_OFF_FIXEDARRAY_LENGTH,
+	    "FixedArray", "length" },
+	{ &V8_OFF_HEAPNUMBER_VALUE,
+	    "HeapNumber", "value" },
+	{ &V8_OFF_HEAPOBJECT_MAP,
+	    "HeapObject", "map" },
+	{ &V8_OFF_JSARRAY_LENGTH,
+	    "JSArray", "length" },
+	{ &V8_OFF_JSDATE_VALUE,
+	    "JSDate", "value", B_TRUE },
+	{ &V8_OFF_JSFUNCTION_SHARED,
+	    "JSFunction", "shared" },
+	{ &V8_OFF_JSOBJECT_ELEMENTS,
+	    "JSObject", "elements" },
+	{ &V8_OFF_JSOBJECT_PROPERTIES,
+	    "JSObject", "properties" },
+	{ &V8_OFF_MAP_CONSTRUCTOR,
+	    "Map", "constructor" },
+	{ &V8_OFF_MAP_INOBJECT_PROPERTIES,
+	    "Map", "inobject_properties" },
+	{ &V8_OFF_MAP_INSTANCE_ATTRIBUTES,
+	    "Map", "instance_attributes" },
+	{ &V8_OFF_MAP_INSTANCE_DESCRIPTORS,
+	    "Map", "instance_descriptors", B_TRUE },
+	{ &V8_OFF_MAP_TRANSITIONS,
+	    "Map", "transitions", B_TRUE },
+	{ &V8_OFF_MAP_INSTANCE_SIZE,
+	    "Map", "instance_size" },
+	{ &V8_OFF_MAP_BIT_FIELD2,
+	    "Map", "bit_field2", B_TRUE },
+	{ &V8_OFF_MAP_BIT_FIELD3,
+	    "Map", "bit_field3", B_TRUE },
+	{ &V8_OFF_ODDBALL_TO_STRING,
+	    "Oddball", "to_string" },
+	{ &V8_OFF_SCRIPT_LINE_ENDS,
+	    "Script", "line_ends" },
+	{ &V8_OFF_SCRIPT_NAME,
+	    "Script", "name" },
+	{ &V8_OFF_SCRIPT_SOURCE,
+	    "Script", "source" },
+	{ &V8_OFF_SEQASCIISTR_CHARS,
+	    "SeqAsciiString", "chars", B_TRUE },
+	{ &V8_OFF_SEQONEBYTESTR_CHARS,
+	    "SeqOneByteString", "chars", B_TRUE },
+	{ &V8_OFF_SEQTWOBYTESTR_CHARS,
+	    "SeqTwoByteString", "chars", B_TRUE },
+	{ &V8_OFF_SHAREDFUNCTIONINFO_CODE,
+	    "SharedFunctionInfo", "code" },
+	{ &V8_OFF_SHAREDFUNCTIONINFO_END_POSITION,
+	    "SharedFunctionInfo", "end_position" },
+	{ &V8_OFF_SHAREDFUNCTIONINFO_FUNCTION_TOKEN_POSITION,
+	    "SharedFunctionInfo", "function_token_position" },
+	{ &V8_OFF_SHAREDFUNCTIONINFO_INFERRED_NAME,
+	    "SharedFunctionInfo", "inferred_name" },
+	{ &V8_OFF_SHAREDFUNCTIONINFO_LENGTH,
+	    "SharedFunctionInfo", "length" },
+	{ &V8_OFF_SHAREDFUNCTIONINFO_NAME,
+	    "SharedFunctionInfo", "name" },
+	{ &V8_OFF_SHAREDFUNCTIONINFO_SCRIPT,
+	    "SharedFunctionInfo", "script" },
+	{ &V8_OFF_SLICEDSTRING_OFFSET,
+	    "SlicedString", "offset" },
+	{ &V8_OFF_SLICEDSTRING_PARENT,
+	    "SlicedString", "parent", B_TRUE },
+	{ &V8_OFF_STRING_LENGTH,
+	    "String", "length" },
+};
+
+static int v8_noffsets = sizeof (v8_offsets) / sizeof (v8_offsets[0]);
+
+static uintptr_t v8_major;
+static uintptr_t v8_minor;
+static uintptr_t v8_build;
+static uintptr_t v8_patch;
+
+static int autoconf_iter_symbol(mdb_symbol_t *, void *);
+static v8_class_t *conf_class_findcreate(const char *);
+static v8_field_t *conf_field_create(v8_class_t *, const char *, size_t);
+static char *conf_next_part(char *, char *);
+static int conf_update_parent(const char *);
+static int conf_update_field(v8_cfg_t *, const char *);
+static int conf_update_enum(v8_cfg_t *, const char *, const char *,
+    v8_enum_t *);
+static int conf_update_type(v8_cfg_t *, const char *);
+static int conf_update_frametype(v8_cfg_t *, const char *);
+static void conf_class_compute_offsets(v8_class_t *);
+
+static int read_typebyte(uint8_t *, uintptr_t);
+static int heap_offset(const char *, const char *, ssize_t *);
+static int jsfunc_name(uintptr_t, char **, size_t *);
+
+/*
+ * When iterating properties, it's useful to keep track of what kinds of
+ * properties were found.  This is useful for developers to identify objects of
+ * different kinds in order to debug them.
+ */
+typedef enum {
+	JPI_NONE = 0,
+
+	/*
+	 * Indicates how properties are stored in this object.  There can be
+	 * both numeric properties and some of the other kinds.
+	 */
+	JPI_NUMERIC	= 0x01,	/* numeric-named properties in "elements" */
+	JPI_DICT	= 0x02,	/* dictionary properties */
+	JPI_INOBJECT	= 0x04,	/* properties stored inside object */
+	JPI_PROPS	= 0x08,	/* "properties" array */
+
+	/* error-like cases */
+	JPI_SKIPPED   = 0x10,	/* some properties were skipped */
+	JPI_BADLAYOUT = 0x20,	/* we didn't recognize the layout at all */
+
+	/* fallback cases */
+	JPI_HASTRANSITIONS	= 0x100, /* found a transitions array */
+	JPI_HASCONTENT		= 0x200, /* found a separate content array */
+} jspropinfo_t;
+
+typedef struct jsobj_print {
+	char **jsop_bufp;
+	size_t *jsop_lenp;
+	int jsop_indent;
+	uint64_t jsop_depth;
+	boolean_t jsop_printaddr;
+	uintptr_t jsop_baseaddr;
+	int jsop_nprops;
+	const char *jsop_member;
+	boolean_t jsop_found;
+	boolean_t jsop_descended;
+	jspropinfo_t jsop_propinfo;
+} jsobj_print_t;
+
+static int jsobj_print_number(uintptr_t, jsobj_print_t *);
+static int jsobj_print_oddball(uintptr_t, jsobj_print_t *);
+static int jsobj_print_jsobject(uintptr_t, jsobj_print_t *);
+static int jsobj_print_jsarray(uintptr_t, jsobj_print_t *);
+static int jsobj_print_jsfunction(uintptr_t, jsobj_print_t *);
+static int jsobj_print_jsdate(uintptr_t, jsobj_print_t *);
+
+/*
+ * Returns 1 if the V8 version v8_major.v8.minor is strictly older than
+ * the V8 version represented by "flags".
+ * Returns 0 otherwise.
+ */
+static int
+v8_version_older(uintptr_t v8_major, uintptr_t v8_minor, uint32_t flags) {
+	return (v8_major < V8_CONSTANT_MAJOR(flags) ||
+	    (v8_major == V8_CONSTANT_MAJOR(flags) &&
+	    v8_minor < V8_CONSTANT_MINOR(flags)));
+}
+
+/*
+ * Invoked when this dmod is initially loaded to load the set of classes, enums,
+ * and other constants from the metadata in the target binary.
+ */
+static int
+autoconfigure(v8_cfg_t *cfgp)
+{
+	v8_class_t *clp;
+	v8_enum_t *ep;
+	struct v8_constant *cnp;
+	int ii;
+	int failed = 0;
+
+	assert(v8_classes == NULL);
+
+	/*
+	 * Iterate all global symbols looking for metadata.
+	 */
+	if (cfgp->v8cfg_iter(cfgp, autoconf_iter_symbol, cfgp) != 0) {
+		mdb_warn("failed to autoconfigure V8 support\n");
+		return (-1);
+	}
+
+	/*
+	 * By now we've configured all of the classes so we can update the
+	 * "start" and "end" fields in each class with information from its
+	 * parent class.
+	 */
+	for (clp = v8_classes; clp != NULL; clp = clp->v8c_next) {
+		if (clp->v8c_end != (size_t)-1)
+			continue;
+
+		conf_class_compute_offsets(clp);
+	};
+
+	/*
+	 * Load various constants used directly in the module.
+	 */
+	for (ii = 0; ii < v8_nconstants; ii++) {
+		cnp = &v8_constants[ii];
+
+		if (cfgp->v8cfg_readsym(cfgp,
+		    cnp->v8c_symbol, cnp->v8c_valp) != -1) {
+			continue;
+		}
+
+		if (!(cnp->v8c_flags & V8_CONSTANT_OPTIONAL) &&
+		    (!(cnp->v8c_flags & V8_CONSTANT_REMOVED) ||
+		    v8_version_older(v8_major, v8_minor, cnp->v8c_flags))) {
+			mdb_warn("failed to read \"%s\"", cnp->v8c_symbol);
+			failed++;
+			continue;
+		}
+
+		if (!(cnp->v8c_flags & V8_CONSTANT_HASFALLBACK) ||
+		    v8_major < V8_CONSTANT_MAJOR(cnp->v8c_flags) ||
+		    (v8_major == V8_CONSTANT_MAJOR(cnp->v8c_flags) &&
+		    v8_minor < V8_CONSTANT_MINOR(cnp->v8c_flags))) {
+			*cnp->v8c_valp = -1;
+			continue;
+		}
+
+		/*
+		 * We have a fallback -- and we know that the version satisfies
+		 * the fallback's version constraints; use the fallback value.
+		 */
+		*cnp->v8c_valp = cnp->v8c_fallback;
+	}
+
+	/*
+	 * Load type values for well-known classes that we use a lot.
+	 */
+	for (ep = v8_types; ep->v8e_name[0] != '\0'; ep++) {
+		if (strcmp(ep->v8e_name, "JSObject") == 0)
+			V8_TYPE_JSOBJECT = ep->v8e_value;
+
+		if (strcmp(ep->v8e_name, "JSArray") == 0)
+			V8_TYPE_JSARRAY = ep->v8e_value;
+
+		if (strcmp(ep->v8e_name, "JSFunction") == 0)
+			V8_TYPE_JSFUNCTION = ep->v8e_value;
+
+		if (strcmp(ep->v8e_name, "FixedArray") == 0)
+			V8_TYPE_FIXEDARRAY = ep->v8e_value;
+	}
+
+	if (V8_TYPE_JSOBJECT == -1) {
+		mdb_warn("couldn't find JSObject type\n");
+		failed++;
+	}
+
+	if (V8_TYPE_JSARRAY == -1) {
+		mdb_warn("couldn't find JSArray type\n");
+		failed++;
+	}
+
+	if (V8_TYPE_JSFUNCTION == -1) {
+		mdb_warn("couldn't find JSFunction type\n");
+		failed++;
+	}
+
+	if (V8_TYPE_FIXEDARRAY == -1) {
+		mdb_warn("couldn't find FixedArray type\n");
+		failed++;
+	}
+
+	/*
+	 * Finally, load various class offsets.
+	 */
+	for (ii = 0; ii < v8_noffsets; ii++) {
+		struct v8_offset *offp = &v8_offsets[ii];
+		const char *klass = offp->v8o_class;
+
+again:
+		if (heap_offset(klass, offp->v8o_member, offp->v8o_valp) == 0)
+			continue;
+
+		if (strcmp(klass, "FixedArray") == 0) {
+			/*
+			 * The V8 included in node v0.6 uses a FixedArrayBase
+			 * class to contain the "length" field, while the one
+			 * in v0.4 has no such base class and stores the field
+			 * directly in FixedArray; if we failed to derive
+			 * the offset from FixedArray, try FixedArrayBase.
+			 */
+			klass = "FixedArrayBase";
+			goto again;
+		}
+
+		if (offp->v8o_optional) {
+			*offp->v8o_valp = -1;
+			continue;
+		}
+
+		mdb_warn("couldn't find class \"%s\", field \"%s\"\n",
+		    offp->v8o_class, offp->v8o_member);
+		failed++;
+	}
+
+	if (!((V8_OFF_SEQASCIISTR_CHARS != -1) ^
+	    (V8_OFF_SEQONEBYTESTR_CHARS != -1))) {
+		mdb_warn("expected exactly one of SeqAsciiString and "
+		    "SeqOneByteString to be defined\n");
+		failed++;
+	}
+
+	if (V8_OFF_SEQONEBYTESTR_CHARS != -1)
+		V8_OFF_SEQASCIISTR_CHARS = V8_OFF_SEQONEBYTESTR_CHARS;
+
+	if (V8_OFF_SEQTWOBYTESTR_CHARS == -1)
+		V8_OFF_SEQTWOBYTESTR_CHARS = V8_OFF_SEQASCIISTR_CHARS;
+
+	if (V8_OFF_SLICEDSTRING_PARENT == -1)
+		V8_OFF_SLICEDSTRING_PARENT = V8_OFF_SLICEDSTRING_OFFSET -
+		    sizeof (uintptr_t);
+
+	/*
+	 * If we don't have bit_field/bit_field2 for Map, we know that they're
+	 * the second and third byte of instance_attributes.
+	 */
+	if (V8_OFF_MAP_BIT_FIELD == -1)
+		V8_OFF_MAP_BIT_FIELD = V8_OFF_MAP_INSTANCE_ATTRIBUTES + 2;
+
+	if (V8_OFF_MAP_BIT_FIELD2 == -1)
+		V8_OFF_MAP_BIT_FIELD2 = V8_OFF_MAP_INSTANCE_ATTRIBUTES + 3;
+
+	return (failed ? -1 : 0);
+}
+
+/* ARGSUSED */
+static int
+autoconf_iter_symbol(mdb_symbol_t *symp, void *arg)
+{
+	v8_cfg_t *cfgp = arg;
+
+	if (strncmp(symp->sym_name, "v8dbg_parent_",
+	    sizeof ("v8dbg_parent_") - 1) == 0)
+		return (conf_update_parent(symp->sym_name));
+
+	if (strncmp(symp->sym_name, "v8dbg_class_",
+	    sizeof ("v8dbg_class_") - 1) == 0)
+		return (conf_update_field(cfgp, symp->sym_name));
+
+	if (strncmp(symp->sym_name, "v8dbg_type_",
+	    sizeof ("v8dbg_type_") - 1) == 0)
+		return (conf_update_type(cfgp, symp->sym_name));
+
+	if (strncmp(symp->sym_name, "v8dbg_frametype_",
+	    sizeof ("v8dbg_frametype_") - 1) == 0)
+		return (conf_update_frametype(cfgp, symp->sym_name));
+
+	return (0);
+}
+
+/*
+ * Extracts the next field of a string whose fields are separated by "__" (as
+ * the V8 metadata symbols are).
+ */
+static char *
+conf_next_part(char *buf, char *start)
+{
+	char *pp;
+
+	if ((pp = strstr(start, "__")) == NULL) {
+		mdb_warn("malformed symbol name: %s\n", buf);
+		return (NULL);
+	}
+
+	*pp = '\0';
+	return (pp + sizeof ("__") - 1);
+}
+
+static v8_class_t *
+conf_class_findcreate(const char *name)
+{
+	v8_class_t *clp, *iclp, *prev = NULL;
+	int cmp;
+
+	for (iclp = v8_classes; iclp != NULL; iclp = iclp->v8c_next) {
+		if ((cmp = strcmp(iclp->v8c_name, name)) == 0)
+			return (iclp);
+
+		if (cmp > 0)
+			break;
+
+		prev = iclp;
+	}
+
+	if ((clp = mdb_zalloc(sizeof (*clp), UM_NOSLEEP)) == NULL)
+		return (NULL);
+
+	(void) strlcpy(clp->v8c_name, name, sizeof (clp->v8c_name));
+	clp->v8c_end = (size_t)-1;
+	clp->v8c_next = iclp;
+
+	if (prev != NULL) {
+		prev->v8c_next = clp;
+	} else {
+		v8_classes = clp;
+	}
+
+	return (clp);
+}
+
+static v8_field_t *
+conf_field_create(v8_class_t *clp, const char *name, size_t offset)
+{
+	v8_field_t *flp, *iflp;
+
+	if ((flp = mdb_zalloc(sizeof (*flp), UM_NOSLEEP)) == NULL)
+		return (NULL);
+
+	(void) strlcpy(flp->v8f_name, name, sizeof (flp->v8f_name));
+	flp->v8f_offset = offset;
+
+	if (clp->v8c_fields == NULL || clp->v8c_fields->v8f_offset > offset) {
+		flp->v8f_next = clp->v8c_fields;
+		clp->v8c_fields = flp;
+		return (flp);
+	}
+
+	for (iflp = clp->v8c_fields; iflp->v8f_next != NULL;
+	    iflp = iflp->v8f_next) {
+		if (iflp->v8f_next->v8f_offset > offset)
+			break;
+	}
+
+	flp->v8f_next = iflp->v8f_next;
+	iflp->v8f_next = flp;
+	return (flp);
+}
+
+/*
+ * Given a "v8dbg_parent_X__Y", symbol, update the parent of class X to class Y.
+ * Note that neither class necessarily exists already.
+ */
+static int
+conf_update_parent(const char *symbol)
+{
+	char *pp, *qq;
+	char buf[128];
+	v8_class_t *clp, *pclp;
+
+	(void) strlcpy(buf, symbol, sizeof (buf));
+	pp = buf + sizeof ("v8dbg_parent_") - 1;
+	qq = conf_next_part(buf, pp);
+
+	if (qq == NULL)
+		return (-1);
+
+	clp = conf_class_findcreate(pp);
+	pclp = conf_class_findcreate(qq);
+
+	if (clp == NULL || pclp == NULL) {
+		mdb_warn("mdb_v8: out of memory\n");
+		return (-1);
+	}
+
+	clp->v8c_parent = pclp;
+	return (0);
+}
+
+/*
+ * Given a "v8dbg_class_CLASS__FIELD__TYPE", symbol, save field "FIELD" into
+ * class CLASS with the offset described by the symbol.  Note that CLASS does
+ * not necessarily exist already.
+ */
+static int
+conf_update_field(v8_cfg_t *cfgp, const char *symbol)
+{
+	v8_class_t *clp;
+	v8_field_t *flp;
+	intptr_t offset;
+	char *pp, *qq, *tt;
+	char buf[128];
+
+	(void) strlcpy(buf, symbol, sizeof (buf));
+
+	pp = buf + sizeof ("v8dbg_class_") - 1;
+	qq = conf_next_part(buf, pp);
+
+	if (qq == NULL || (tt = conf_next_part(buf, qq)) == NULL)
+		return (-1);
+
+	if (cfgp->v8cfg_readsym(cfgp, symbol, &offset) == -1) {
+		mdb_warn("failed to read symbol \"%s\"", symbol);
+		return (-1);
+	}
+
+	if ((clp = conf_class_findcreate(pp)) == NULL ||
+	    (flp = conf_field_create(clp, qq, (size_t)offset)) == NULL)
+		return (-1);
+
+	if (strcmp(tt, "int") == 0)
+		flp->v8f_isbyte = B_TRUE;
+
+	if (strcmp(tt, "char") == 0)
+		flp->v8f_isstr = B_TRUE;
+
+	return (0);
+}
+
+static int
+conf_update_enum(v8_cfg_t *cfgp, const char *symbol, const char *name,
+    v8_enum_t *enp)
+{
+	intptr_t value;
+
+	if (cfgp->v8cfg_readsym(cfgp, symbol, &value) == -1) {
+		mdb_warn("failed to read symbol \"%s\"", symbol);
+		return (-1);
+	}
+
+	enp->v8e_value = (int)value;
+	(void) strlcpy(enp->v8e_name, name, sizeof (enp->v8e_name));
+	return (0);
+}
+
+/*
+ * Given a "v8dbg_type_TYPENAME" constant, save the type name in v8_types.  Note
+ * that this enum has multiple integer values with the same string label.
+ */
+static int
+conf_update_type(v8_cfg_t *cfgp, const char *symbol)
+{
+	char *klass;
+	v8_enum_t *enp;
+	char buf[128];
+
+	if (v8_next_type > sizeof (v8_types) / sizeof (v8_types[0])) {
+		mdb_warn("too many V8 types\n");
+		return (-1);
+	}
+
+	(void) strlcpy(buf, symbol, sizeof (buf));
+
+	klass = buf + sizeof ("v8dbg_type_") - 1;
+	if (conf_next_part(buf, klass) == NULL)
+		return (-1);
+
+	enp = &v8_types[v8_next_type++];
+	return (conf_update_enum(cfgp, symbol, klass, enp));
+}
+
+/*
+ * Given a "v8dbg_frametype_TYPENAME" constant, save the frame type in
+ * v8_frametypes.
+ */
+static int
+conf_update_frametype(v8_cfg_t *cfgp, const char *symbol)
+{
+	const char *frametype;
+	v8_enum_t *enp;
+
+	if (v8_next_frametype >
+	    sizeof (v8_frametypes) / sizeof (v8_frametypes[0])) {
+		mdb_warn("too many V8 frame types\n");
+		return (-1);
+	}
+
+	enp = &v8_frametypes[v8_next_frametype++];
+	frametype = symbol + sizeof ("v8dbg_frametype_") - 1;
+	return (conf_update_enum(cfgp, symbol, frametype, enp));
+}
+
+/*
+ * Now that all classes have been loaded, update the "start" and "end" fields of
+ * each class based on the values of its parent class.
+ */
+static void
+conf_class_compute_offsets(v8_class_t *clp)
+{
+	v8_field_t *flp;
+
+	assert(clp->v8c_start == 0);
+	assert(clp->v8c_end == (size_t)-1);
+
+	if (clp->v8c_parent != NULL) {
+		if (clp->v8c_parent->v8c_end == (size_t)-1)
+			conf_class_compute_offsets(clp->v8c_parent);
+
+		clp->v8c_start = clp->v8c_parent->v8c_end;
+	}
+
+	if (clp->v8c_fields == NULL) {
+		clp->v8c_end = clp->v8c_start;
+		return;
+	}
+
+	for (flp = clp->v8c_fields; flp->v8f_next != NULL; flp = flp->v8f_next)
+		;
+
+	if (flp == NULL)
+		clp->v8c_end = clp->v8c_start;
+	else
+		clp->v8c_end = flp->v8f_offset + sizeof (uintptr_t);
+}
+
+/*
+ * Utility functions
+ */
+#define	JSSTR_NONE		0
+#define	JSSTR_NUDE		JSSTR_NONE
+
+#define	JSSTR_FLAGSHIFT		16
+#define	JSSTR_VERBOSE		(0x1 << JSSTR_FLAGSHIFT)
+#define	JSSTR_QUOTED		(0x2 << JSSTR_FLAGSHIFT)
+#define	JSSTR_ISASCII		(0x4 << JSSTR_FLAGSHIFT)
+
+#define	JSSTR_MAXDEPTH		512
+#define	JSSTR_DEPTH(f)		((f) & ((1 << JSSTR_FLAGSHIFT) - 1))
+#define	JSSTR_BUMPDEPTH(f)	((f) + 1)
+
+static int jsstr_print(uintptr_t, uint_t, char **, size_t *);
+static boolean_t jsobj_is_undefined(uintptr_t addr);
+static boolean_t jsobj_is_hole(uintptr_t addr);
+
+static const char *
+enum_lookup_str(v8_enum_t *enums, int val, const char *dflt)
+{
+	v8_enum_t *ep;
+
+	for (ep = enums; ep->v8e_name[0] != '\0'; ep++) {
+		if (ep->v8e_value == val)
+			return (ep->v8e_name);
+	}
+
+	return (dflt);
+}
+
+static void
+enum_print(v8_enum_t *enums)
+{
+	v8_enum_t *itp;
+
+	for (itp = enums; itp->v8e_name[0] != '\0'; itp++)
+		mdb_printf("%-30s = 0x%02x\n", itp->v8e_name, itp->v8e_value);
+}
+
+/*
+ * b[v]snprintf behave like [v]snprintf(3c), except that they update the buffer
+ * and length arguments based on how much buffer space is used by the operation.
+ * This makes it much easier to combine multiple calls in sequence without
+ * worrying about buffer overflow.
+ */
+static size_t
+bvsnprintf(char **bufp, size_t *buflenp, const char *format, va_list alist)
+{
+	size_t rv, len;
+
+	if (*buflenp == 0)
+		return (vsnprintf(NULL, 0, format, alist));
+
+	rv = vsnprintf(*bufp, *buflenp, format, alist);
+
+	len = MIN(rv, *buflenp);
+	*buflenp -= len;
+	*bufp += len;
+
+	return (len);
+}
+
+static size_t
+bsnprintf(char **bufp, size_t *buflenp, const char *format, ...)
+{
+	va_list alist;
+	size_t rv;
+
+	va_start(alist, format);
+	rv = bvsnprintf(bufp, buflenp, format, alist);
+	va_end(alist);
+
+	return (rv);
+}
+
+static void
+v8_warn(const char *format, ...)
+{
+	char buf[512];
+	va_list alist;
+	int len;
+
+	if (!v8_warnings || v8_silent)
+		return;
+
+	va_start(alist, format);
+	(void) vsnprintf(buf, sizeof (buf), format, alist);
+	va_end(alist);
+
+	/*
+	 * This is made slightly annoying because we need to effectively
+	 * preserve the original format string to allow for mdb to use the
+	 * new-line at the end to indicate that strerror should be elided.
+	 */
+	if ((len = strlen(format)) > 0 && format[len - 1] == '\n') {
+		buf[strlen(buf) - 1] = '\0';
+		mdb_warn("%s\n", buf);
+	} else {
+		mdb_warn("%s", buf);
+	}
+}
+
+static v8_field_t *
+conf_field_lookup(const char *klass, const char *field)
+{
+	v8_class_t *clp;
+	v8_field_t *flp;
+
+	for (clp = v8_classes; clp != NULL; clp = clp->v8c_next) {
+		if (strcmp(klass, clp->v8c_name) == 0)
+			break;
+	}
+
+	if (clp == NULL)
+		return (NULL);
+
+	for (flp = clp->v8c_fields; flp != NULL; flp = flp->v8f_next) {
+		if (strcmp(field, flp->v8f_name) == 0)
+			break;
+	}
+
+	return (flp);
+}
+
+/*
+ * Returns in "offp" the offset of field "field" in C++ class "klass".
+ */
+static int
+heap_offset(const char *klass, const char *field, ssize_t *offp)
+{
+	v8_field_t *flp;
+
+	flp = conf_field_lookup(klass, field);
+
+	if (flp == NULL)
+		return (-1);
+
+	*offp = V8_OFF_HEAP(flp->v8f_offset);
+	return (0);
+}
+
+/*
+ * Assuming "addr" is an instance of the C++ heap class "klass", read into *valp
+ * the pointer-sized value of field "field".
+ */
+static int
+read_heap_ptr(uintptr_t *valp, uintptr_t addr, ssize_t off)
+{
+	if (mdb_vread(valp, sizeof (*valp), addr + off) == -1) {
+		v8_warn("failed to read offset %d from %p", off, addr);
+		return (-1);
+	}
+
+	return (0);
+}
+
+/*
+ * Like read_heap_ptr, but assume the field is an SMI and store the actual value
+ * into *valp rather than the encoded representation.
+ */
+static int
+read_heap_smi(uintptr_t *valp, uintptr_t addr, ssize_t off)
+{
+	if (read_heap_ptr(valp, addr, off) != 0)
+		return (-1);
+
+	if (!V8_IS_SMI(*valp)) {
+		v8_warn("expected SMI, got %p\n", *valp);
+		return (-1);
+	}
+
+	*valp = V8_SMI_VALUE(*valp);
+
+	return (0);
+}
+
+static int
+read_heap_double(double *valp, uintptr_t addr, ssize_t off)
+{
+	if (mdb_vread(valp, sizeof (*valp), addr + off) == -1) {
+		v8_warn("failed to read heap value at %p", addr + off);
+		return (-1);
+	}
+
+	return (0);
+}
+
+/*
+ * Assuming "addr" refers to a FixedArray, return a newly-allocated array
+ * representing its contents.
+ */
+static int
+read_heap_array(uintptr_t addr, uintptr_t **retp, size_t *lenp, int flags)
+{
+	uint8_t type;
+	uintptr_t len;
+
+	if (!V8_IS_HEAPOBJECT(addr))
+		return (-1);
+
+	if (read_typebyte(&type, addr) != 0)
+		return (-1);
+
+	if (type != V8_TYPE_FIXEDARRAY)
+		return (-1);
+
+	if (read_heap_smi(&len, addr, V8_OFF_FIXEDARRAY_LENGTH) != 0)
+		return (-1);
+
+	*lenp = len;
+
+	if (len == 0) {
+		*retp = NULL;
+		return (0);
+	}
+
+	if ((*retp = mdb_zalloc(len * sizeof (uintptr_t), flags)) == NULL)
+		return (-1);
+
+	if (mdb_vread(*retp, len * sizeof (uintptr_t),
+	    addr + V8_OFF_FIXEDARRAY_DATA) == -1) {
+		if (!(flags & UM_GC))
+			mdb_free(*retp, len * sizeof (uintptr_t));
+
+		*retp = NULL;
+		return (-1);
+	}
+
+	return (0);
+}
+
+static int
+read_heap_byte(uint8_t *valp, uintptr_t addr, ssize_t off)
+{
+	if (mdb_vread(valp, sizeof (*valp), addr + off) == -1) {
+		v8_warn("failed to read heap value at %p", addr + off);
+		return (-1);
+	}
+
+	return (0);
+}
+
+/*
+ * This is truly horrific.  Inside the V8 Script class are a number of
+ * small-integer fields like the function_token_position (an offset into the
+ * script's text where the "function" token appears).  For 32-bit processes, V8
+ * stores these as a sequence of SMI fields, which we know how to interpret well
+ * enough.  For 64-bit processes, "to avoid wasting space", they use a different
+ * trick: each 8-byte word contains two integer fields.  The low word is
+ * represented like an SMI: shifted left by one.  They don't bother shifting the
+ * high word, since its low bit will never be looked at (since it's not
+ * word-aligned).
+ *
+ * This function is used for cases where we would use read_heap_smi(), except
+ * that this is one of those fields that might be encoded or might not be,
+ * depending on whether the address is word-aligned.
+ */
+static int
+read_heap_maybesmi(uintptr_t *valp, uintptr_t addr, ssize_t off)
+{
+#ifdef _LP64
+	uint32_t readval;
+
+	if (mdb_vread(&readval, sizeof (readval), addr + off) == -1) {
+		*valp = -1;
+		v8_warn("failed to read offset %d from %p", off, addr);
+		return (-1);
+	}
+
+	/*
+	 * If this was the low half-word, it needs to be shifted right.
+	 */
+	if ((addr + off) % sizeof (uintptr_t) == 0)
+		readval >>= 1;
+
+	*valp = (uintptr_t)readval;
+	return (0);
+#else
+	return (read_heap_smi(valp, addr, off));
+#endif
+}
+
+/*
+ * Given a heap object, returns in *valp the byte describing the type of the
+ * object.  This is shorthand for first retrieving the Map at the start of the
+ * heap object and then retrieving the type byte from the Map object.
+ */
+static int
+read_typebyte(uint8_t *valp, uintptr_t addr)
+{
+	uintptr_t mapaddr;
+	ssize_t off = V8_OFF_HEAPOBJECT_MAP;
+
+	if (mdb_vread(&mapaddr, sizeof (mapaddr), addr + off) == -1) {
+		v8_warn("failed to read type of %p", addr);
+		return (-1);
+	}
+
+	if (!V8_IS_HEAPOBJECT(mapaddr)) {
+		v8_warn("object map is not a heap object\n");
+		return (-1);
+	}
+
+	if (read_heap_byte(valp, mapaddr, V8_OFF_MAP_INSTANCE_ATTRIBUTES) == -1)
+		return (-1);
+
+	return (0);
+}
+
+/*
+ * Given a heap object, returns in *valp the size of the object.  For
+ * variable-size objects, returns an undefined value.
+ */
+static int
+read_size(size_t *valp, uintptr_t addr)
+{
+	uintptr_t mapaddr;
+	uint8_t size;
+
+	if (read_heap_ptr(&mapaddr, addr, V8_OFF_HEAPOBJECT_MAP) != 0)
+		return (-1);
+
+	if (!V8_IS_HEAPOBJECT(mapaddr)) {
+		v8_warn("heap object map is not itself a heap object\n");
+		return (-1);
+	}
+
+	if (read_heap_byte(&size, mapaddr, V8_OFF_MAP_INSTANCE_SIZE) != 0)
+		return (-1);
+
+	*valp = size << V8_PointerSizeLog2;
+	return (0);
+}
+
+/*
+ * Assuming "addr" refers to a FixedArray that is implementing a
+ * StringDictionary, iterate over its contents calling the specified function
+ * with key and value.
+ */
+static int
+read_heap_dict(uintptr_t addr,
+    int (*func)(const char *, uintptr_t, void *), void *arg)
+{
+	uint8_t type;
+	uintptr_t len;
+	char buf[512];
+	char *bufp;
+	int rval = -1;
+	uintptr_t *dict, ndict, i;
+
+	if (read_heap_array(addr, &dict, &ndict, UM_SLEEP) != 0)
+		return (-1);
+
+	if (V8_DICT_ENTRY_SIZE < 2) {
+		v8_warn("dictionary entry size (%d) is too small for a "
+		    "key and value\n", V8_DICT_ENTRY_SIZE);
+		goto out;
+	}
+
+	for (i = V8_DICT_START_INDEX + V8_DICT_PREFIX_SIZE; i < ndict;
+	    i += V8_DICT_ENTRY_SIZE) {
+		/*
+		 * The layout here is key, value, details. (This is hardcoded
+		 * in Dictionary<Shape, Key>::SetEntry().)
+		 */
+		if (jsobj_is_undefined(dict[i]))
+			continue;
+
+		if (V8_IS_SMI(dict[i])) {
+			intptr_t val = V8_SMI_VALUE(dict[i]);
+			(void) snprintf(buf, sizeof (buf), "%" PRIdPTR, val);
+		} else {
+			if (jsobj_is_hole(dict[i])) {
+				/*
+				 * In some cases, the key can (apparently) be a
+				 * hole, in which case we skip over it.
+				 */
+				continue;
+			}
+
+			if (read_typebyte(&type, dict[i]) != 0)
+				goto out;
+
+			if (!V8_TYPE_STRING(type))
+				goto out;
+
+			bufp = buf;
+			len = sizeof (buf);
+
+			if (jsstr_print(dict[i], JSSTR_NUDE, &bufp, &len) != 0)
+				goto out;
+		}
+
+		if (func(buf, dict[i + 1], arg) == -1)
+			goto out;
+	}
+
+	rval = 0;
+out:
+	mdb_free(dict, ndict * sizeof (uintptr_t));
+
+	return (rval);
+}
+
+/*
+ * Given an object, returns in "buf" the name of the constructor function.  With
+ * "verbose", prints the pointer to the JSFunction object.  Given anything else,
+ * returns an error (and warns the user why).
+ */
+static int
+obj_jsconstructor(uintptr_t addr, char **bufp, size_t *lenp, boolean_t verbose)
+{
+	uint8_t type;
+	uintptr_t map, consfunc, funcinfop;
+	const char *constype;
+
+	if (!V8_IS_HEAPOBJECT(addr) ||
+	    read_typebyte(&type, addr) != 0 ||
+	    (type != V8_TYPE_JSOBJECT && type != V8_TYPE_JSARRAY)) {
+		mdb_warn("%p is not a JSObject\n", addr);
+		return (-1);
+	}
+
+	if (mdb_vread(&map, sizeof (map), addr + V8_OFF_HEAPOBJECT_MAP) == -1 ||
+	    mdb_vread(&consfunc, sizeof (consfunc),
+	    map + V8_OFF_MAP_CONSTRUCTOR) == -1) {
+		mdb_warn("unable to read object map\n");
+		return (-1);
+	}
+
+	if (read_typebyte(&type, consfunc) != 0)
+		return (-1);
+
+	constype = enum_lookup_str(v8_types, type, "");
+	if (strcmp(constype, "Oddball") == 0) {
+		jsobj_print_t jsop;
+		bzero(&jsop, sizeof (jsop));
+		jsop.jsop_bufp = bufp;
+		jsop.jsop_lenp = lenp;
+		return (jsobj_print_oddball(consfunc, &jsop));
+	}
+
+	if (strcmp(constype, "JSFunction") != 0) {
+		mdb_warn("constructor: expected JSFunction, found %s\n",
+		    constype);
+		return (-1);
+	}
+
+	if (read_heap_ptr(&funcinfop, consfunc, V8_OFF_JSFUNCTION_SHARED) != 0)
+		return (-1);
+
+	if (jsfunc_name(funcinfop, bufp, lenp) != 0)
+		return (-1);
+
+	if (verbose)
+		bsnprintf(bufp, lenp, " (JSFunction: %p)", consfunc);
+
+	return (0);
+}
+
+/*
+ * Returns in "buf" a description of the type of "addr" suitable for printing.
+ */
+static int
+obj_jstype(uintptr_t addr, char **bufp, size_t *lenp, uint8_t *typep)
+{
+	uint8_t typebyte;
+	uintptr_t strptr, map, consfunc, funcinfop;
+	const char *typename;
+
+	if (V8_IS_FAILURE(addr)) {
+		if (typep)
+			*typep = 0;
+		(void) bsnprintf(bufp, lenp, "'Failure' object");
+		return (0);
+	}
+
+	if (V8_IS_SMI(addr)) {
+		if (typep)
+			*typep = 0;
+		(void) bsnprintf(bufp, lenp, "SMI: value = %d",
+		    V8_SMI_VALUE(addr));
+		return (0);
+	}
+
+	if (read_typebyte(&typebyte, addr) != 0)
+		return (-1);
+
+	if (typep)
+		*typep = typebyte;
+
+	typename = enum_lookup_str(v8_types, typebyte, "<unknown>");
+	(void) bsnprintf(bufp, lenp, typename);
+
+	if (strcmp(typename, "Oddball") == 0) {
+		if (read_heap_ptr(&strptr, addr,
+		    V8_OFF_ODDBALL_TO_STRING) != -1) {
+			(void) bsnprintf(bufp, lenp, ": \"");
+			(void) jsstr_print(strptr, JSSTR_NUDE, bufp, lenp);
+			(void) bsnprintf(bufp, lenp, "\"");
+		}
+	}
+
+	if (strcmp(typename, "JSObject") == 0 &&
+	    mdb_vread(&map, sizeof (map), addr + V8_OFF_HEAPOBJECT_MAP) != -1 &&
+	    mdb_vread(&consfunc, sizeof (consfunc),
+	    map + V8_OFF_MAP_CONSTRUCTOR) != -1 &&
+	    read_typebyte(&typebyte, consfunc) == 0 &&
+	    strcmp(enum_lookup_str(v8_types, typebyte, ""),
+	    "JSFunction") == 0 &&
+	    mdb_vread(&funcinfop, sizeof (funcinfop),
+	    consfunc + V8_OFF_JSFUNCTION_SHARED) != -1) {
+		(void) bsnprintf(bufp, lenp, ": ");
+		(void) jsfunc_name(funcinfop, bufp, lenp);
+	}
+
+	return (0);
+}
+
+/*
+ * V8 allows implementers (like Node) to store pointer-sized values into
+ * internal fields within V8 heap objects.  Implementors access these values by
+ * 0-based index (e.g., SetInternalField(0, value)).  These values are stored as
+ * an array directly after the last actual C++ field in the C++ object.
+ *
+ * Node uses internal fields to refer to handles.  For example, a socket's C++
+ * HandleWrap object is typically stored as internal field 0 in the JavaScript
+ * Socket object.  Similarly, the native-heap-allocated chunk of memory
+ * associated with a Node Buffer is referenced by field 0 in the External array
+ * pointed-to by the Node Buffer JSObject.
+ */
+static int
+obj_v8internal(uintptr_t addr, uint_t idx, uintptr_t *valp)
+{
+	char *bufp;
+	size_t len;
+	ssize_t off;
+	uint8_t type;
+
+	v8_class_t *clp;
+	char buf[256];
+
+	bufp = buf;
+	len = sizeof (buf);
+	if (obj_jstype(addr, &bufp, &len, &type) != 0)
+		return (DCMD_ERR);
+
+	if (type == 0) {
+		mdb_warn("%p: unsupported type\n", addr);
+		return (DCMD_ERR);
+	}
+
+	for (clp = v8_classes; clp != NULL; clp = clp->v8c_next) {
+		if (strcmp(buf, clp->v8c_name) == 0)
+			break;
+	}
+
+	if (clp == NULL) {
+		mdb_warn("%p: didn't find expected class\n", addr);
+		return (DCMD_ERR);
+	}
+
+	off = clp->v8c_end + (idx * sizeof (uintptr_t)) - 1;
+	if (read_heap_ptr(valp, addr, off) != 0) {
+		mdb_warn("%p: failed to read from %p\n", addr, addr + off);
+		return (DCMD_ERR);
+	}
+
+	return (DCMD_OK);
+}
+
+/*
+ * Print out the fields of the given object that come from the given class.
+ */
+static int
+obj_print_fields(uintptr_t baddr, v8_class_t *clp)
+{
+	v8_field_t *flp;
+	uintptr_t addr, value;
+	int rv;
+	char *bufp;
+	size_t len;
+	uint8_t type;
+	char buf[256];
+
+	for (flp = clp->v8c_fields; flp != NULL; flp = flp->v8f_next) {
+		bufp = buf;
+		len = sizeof (buf);
+
+		addr = baddr + V8_OFF_HEAP(flp->v8f_offset);
+
+		if (flp->v8f_isstr) {
+			if (mdb_readstr(buf, sizeof (buf), addr) == -1) {
+				mdb_printf("%p %s (unreadable)\n",
+				    addr, flp->v8f_name);
+				continue;
+			}
+
+			mdb_printf("%p %s = \"%s\"\n",
+			    addr, flp->v8f_name, buf);
+			continue;
+		}
+
+		if (flp->v8f_isbyte) {
+			uint8_t sv;
+			if (mdb_vread(&sv, sizeof (sv), addr) == -1) {
+				mdb_printf("%p %s (unreadable)\n",
+				    addr, flp->v8f_name);
+				continue;
+			}
+
+			mdb_printf("%p %s = 0x%x\n", addr, flp->v8f_name, sv);
+			continue;
+		}
+
+		rv = mdb_vread((void *)&value, sizeof (value), addr);
+
+		if (rv != sizeof (value) ||
+		    obj_jstype(value, &bufp, &len, &type) != 0) {
+			mdb_printf("%p %s (unreadable)\n", addr, flp->v8f_name);
+			continue;
+		}
+
+		if (type != 0 && V8_TYPE_STRING(type)) {
+			(void) bsnprintf(&bufp, &len, ": ");
+			(void) jsstr_print(value, JSSTR_QUOTED, &bufp, &len);
+		}
+
+		mdb_printf("%p %s = %p (%s)\n", addr, flp->v8f_name, value,
+		    buf);
+	}
+
+	return (DCMD_OK);
+}
+
+/*
+ * Print out all fields of the given object, starting with the root of the class
+ * hierarchy and working down the most specific type.
+ */
+static int
+obj_print_class(uintptr_t addr, v8_class_t *clp)
+{
+	int rv = 0;
+
+	/*
+	 * If we have no fields, we just print a simple inheritance hierarchy.
+	 * If we have fields but our parent doesn't, our header includes the
+	 * inheritance hierarchy.
+	 */
+	if (clp->v8c_end == 0) {
+		mdb_printf("%s ", clp->v8c_name);
+
+		if (clp->v8c_parent != NULL) {
+			mdb_printf("< ");
+			(void) obj_print_class(addr, clp->v8c_parent);
+		}
+
+		return (0);
+	}
+
+	mdb_printf("%p %s", addr, clp->v8c_name);
+
+	if (clp->v8c_start == 0 && clp->v8c_parent != NULL) {
+		mdb_printf(" < ");
+		(void) obj_print_class(addr, clp->v8c_parent);
+	}
+
+	mdb_printf(" {\n");
+	(void) mdb_inc_indent(4);
+
+	if (clp->v8c_start > 0 && clp->v8c_parent != NULL)
+		rv = obj_print_class(addr, clp->v8c_parent);
+
+	rv |= obj_print_fields(addr, clp);
+	(void) mdb_dec_indent(4);
+	mdb_printf("}\n");
+
+	return (rv);
+}
+
+/*
+ * Print the ASCII string for the given JS string, expanding ConsStrings and
+ * ExternalStrings as needed.
+ */
+static int jsstr_print_seq(uintptr_t, uint_t, char **, size_t *, size_t,
+    ssize_t);
+static int jsstr_print_cons(uintptr_t, uint_t, char **, size_t *);
+static int jsstr_print_sliced(uintptr_t, uint_t, char **, size_t *);
+static int jsstr_print_external(uintptr_t, uint_t, char **, size_t *);
+
+static int
+jsstr_print(uintptr_t addr, uint_t flags, char **bufp, size_t *lenp)
+{
+	uint8_t typebyte;
+	int err = 0;
+	char *lbufp;
+	size_t llen;
+	char buf[64];
+	boolean_t verbose = flags & JSSTR_VERBOSE ? B_TRUE : B_FALSE;
+
+	if (read_typebyte(&typebyte, addr) != 0) {
+		(void) bsnprintf(bufp, lenp, "<could not read type>");
+		return (-1);
+	}
+
+	if (!V8_TYPE_STRING(typebyte)) {
+		(void) bsnprintf(bufp, lenp, "<not a string>");
+		return (-1);
+	}
+
+	if (verbose) {
+		lbufp = buf;
+		llen = sizeof (buf);
+		(void) obj_jstype(addr, &lbufp, &llen, NULL);
+		mdb_printf("%s\n", buf);
+		(void) mdb_inc_indent(4);
+	}
+
+	if (JSSTR_DEPTH(flags) > JSSTR_MAXDEPTH) {
+		(void) bsnprintf(bufp, lenp, "<maximum depth exceeded>");
+		return (-1);
+	}
+
+	if (V8_STRENC_ASCII(typebyte))
+		flags |= JSSTR_ISASCII;
+	else
+		flags &= ~JSSTR_ISASCII;
+
+	flags = JSSTR_BUMPDEPTH(flags);
+
+	if (V8_STRREP_SEQ(typebyte))
+		err = jsstr_print_seq(addr, flags, bufp, lenp, 0, -1);
+	else if (V8_STRREP_CONS(typebyte))
+		err = jsstr_print_cons(addr, flags, bufp, lenp);
+	else if (V8_STRREP_EXT(typebyte))
+		err = jsstr_print_external(addr, flags, bufp, lenp);
+	else if (V8_STRREP_SLICED(typebyte))
+		err = jsstr_print_sliced(addr, flags, bufp, lenp);
+	else {
+		(void) bsnprintf(bufp, lenp, "<unknown string type>");
+		err = -1;
+	}
+
+	if (verbose)
+		(void) mdb_dec_indent(4);
+
+	return (err);
+}
+
+static int
+jsstr_print_seq(uintptr_t addr, uint_t flags, char **bufp, size_t *lenp,
+    size_t sliceoffset, ssize_t slicelen)
+{
+	/*
+	 * To allow the caller to allocate a very large buffer for strings,
+	 * we'll allocate a buffer sized based on our input, making it at
+	 * least enough space for our ellipsis and at most 256K.
+	 */
+	uintptr_t i, nreadoffset, blen, nstrbytes, nstrchrs;
+	ssize_t nreadbytes;
+	boolean_t verbose = flags & JSSTR_VERBOSE ? B_TRUE : B_FALSE;
+	boolean_t quoted = flags & JSSTR_QUOTED ? B_TRUE : B_FALSE;
+	char *buf;
+	uint16_t chrval;
+
+	if (read_heap_smi(&nstrchrs, addr, V8_OFF_STRING_LENGTH) != 0) {
+		(void) bsnprintf(bufp, lenp,
+		    "<string (failed to read length)>");
+		return (-1);
+	}
+
+	if (slicelen != -1)
+		nstrchrs = slicelen;
+
+	blen = ((flags & JSSTR_ISASCII) != 0) ? *lenp : 2 * (*lenp);
+	if ((blen = MIN(blen, 256 * 1024)) == 0)
+		return (0);
+
+	if ((flags & JSSTR_ISASCII) != 0) {
+		nstrbytes = nstrchrs;
+		nreadoffset = sliceoffset;
+		nreadbytes = nstrbytes + sizeof ("\"\"") <= *lenp ?
+		    nstrbytes : *lenp - sizeof ("\"\"[...]");
+	} else {
+		nstrbytes = 2 * nstrchrs;
+		nreadoffset = 2 * sliceoffset;
+		nreadbytes = nstrchrs + sizeof ("\"\"") <= *lenp ?
+		    nstrbytes : 2 * (*lenp - sizeof ("\"\"[...]"));
+	}
+
+	if (nreadbytes < 0) {
+		/*
+		 * We don't even have the room to store the ellipsis; zero
+		 * the buffer out and set the length to zero.
+		 */
+		*bufp = '\0';
+		*lenp = 0;
+		return (0);
+	}
+
+	if (verbose) {
+		mdb_printf("length: %d chars (%d bytes), "
+		    "will read %d bytes from offset %d\n",
+		    nstrchrs, nstrbytes, nreadbytes, nreadoffset);
+		mdb_printf("given buffer size: %d, internal buffer: %d\n",
+		    *lenp, blen);
+	}
+
+	if (nstrbytes == 0) {
+		(void) bsnprintf(bufp, lenp, "%s%s",
+		    quoted ? "\"" : "", quoted ? "\"" : "");
+		return (0);
+	}
+
+	buf = alloca(blen);
+	buf[0] = '\0';
+
+	if ((flags & JSSTR_ISASCII) != 0) {
+		if (mdb_readstr(buf, nreadbytes + 1,
+		    addr + V8_OFF_SEQASCIISTR_CHARS + nreadoffset) == -1) {
+			v8_warn("failed to read SeqString data");
+			return (-1);
+		}
+
+		if (nreadbytes != nstrbytes)
+			(void) strlcat(buf, "[...]", blen);
+
+		(void) bsnprintf(bufp, lenp, "%s%s%s",
+		    quoted ? "\"" : "", buf, quoted ? "\"" : "");
+	} else {
+		if (mdb_readstr(buf, nreadbytes,
+		    addr + V8_OFF_SEQTWOBYTESTR_CHARS + nreadoffset) == -1) {
+			v8_warn("failed to read SeqTwoByteString data");
+			return (-1);
+		}
+
+		(void) bsnprintf(bufp, lenp, "%s", quoted ? "\"" : "");
+		for (i = 0; i < nreadbytes; i += 2) {
+			/*LINTED*/
+			chrval = *((uint16_t *)(buf + i));
+			(void) bsnprintf(bufp, lenp, "%c",
+			    (isascii(chrval) || chrval == 0) ?
+			    (char)chrval : '?');
+		}
+		if (nreadbytes != nstrbytes)
+			(void) bsnprintf(bufp, lenp, "[...]");
+		(void) bsnprintf(bufp, lenp, "%s", quoted ? "\"" : "");
+	}
+
+	return (0);
+}
+
+static int
+jsstr_print_cons(uintptr_t addr, uint_t flags, char **bufp, size_t *lenp)
+{
+	boolean_t verbose = flags & JSSTR_VERBOSE ? B_TRUE : B_FALSE;
+	boolean_t quoted = flags & JSSTR_QUOTED ? B_TRUE : B_FALSE;
+	uintptr_t ptr1, ptr2;
+
+	if (read_heap_ptr(&ptr1, addr, V8_OFF_CONSSTRING_FIRST) != 0) {
+		(void) bsnprintf(bufp, lenp,
+		    "<cons string (failed to read first)>");
+		return (-1);
+	}
+
+	if (read_heap_ptr(&ptr2, addr, V8_OFF_CONSSTRING_SECOND) != 0) {
+		(void) bsnprintf(bufp, lenp,
+		    "<cons string (failed to read second)>");
+		return (-1);
+	}
+
+	if (verbose) {
+		mdb_printf("ptr1: %p\n", ptr1);
+		mdb_printf("ptr2: %p\n", ptr2);
+	}
+
+	if (quoted)
+		(void) bsnprintf(bufp, lenp, "\"");
+
+	flags = JSSTR_BUMPDEPTH(flags) & ~JSSTR_QUOTED;
+
+	if (jsstr_print(ptr1, flags, bufp, lenp) != 0)
+		return (-1);
+
+	if (jsstr_print(ptr2, flags, bufp, lenp) != 0)
+		return (-1);
+
+	if (quoted)
+		(void) bsnprintf(bufp, lenp, "\"");
+
+	return (0);
+}
+
+static int
+jsstr_print_sliced(uintptr_t addr, uint_t flags, char **bufp, size_t *lenp)
+{
+	uintptr_t parent, offset, length;
+	uint8_t typebyte;
+	boolean_t verbose = flags & JSSTR_VERBOSE ? B_TRUE : B_FALSE;
+	boolean_t quoted = flags & JSSTR_QUOTED ? B_TRUE : B_FALSE;
+
+	if (read_heap_ptr(&parent, addr, V8_OFF_SLICEDSTRING_PARENT) != 0) {
+		(void) bsnprintf(bufp, lenp,
+		    "<sliced string (failed to read parent)>");
+		return (-1);
+	}
+
+	if (read_heap_smi(&offset, addr, V8_OFF_SLICEDSTRING_OFFSET) != 0) {
+		(void) bsnprintf(bufp, lenp,
+		    "<sliced string (failed to read offset)>");
+		return (-1);
+	}
+
+	if (read_heap_smi(&length, addr, V8_OFF_STRING_LENGTH) != 0) {
+		(void) bsnprintf(bufp, lenp,
+		    "<sliced string (failed to read length)>");
+		return (-1);
+	}
+
+	if (verbose)
+		mdb_printf("parent: %p, offset = %d, length = %d\n",
+		    parent, offset, length);
+
+	if (read_typebyte(&typebyte, parent) != 0) {
+		(void) bsnprintf(bufp, lenp,
+		    "<sliced string (failed to read parent type)>");
+		return (0);
+	}
+
+	if (!V8_STRREP_SEQ(typebyte)) {
+		(void) bsnprintf(bufp, lenp,
+		    "<sliced string (parent is not a sequential string)>");
+		return (0);
+	}
+
+	if (quoted)
+		(void) bsnprintf(bufp, lenp, "\"");
+
+	flags = JSSTR_BUMPDEPTH(flags) & ~JSSTR_QUOTED;
+
+	if (V8_STRENC_ASCII(typebyte))
+		flags |= JSSTR_ISASCII;
+
+	if (jsstr_print_seq(parent, flags, bufp, lenp, offset, length) != 0)
+		return (-1);
+
+	if (quoted)
+		(void) bsnprintf(bufp, lenp, "\"");
+
+	return (0);
+}
+
+static int
+jsstr_print_external(uintptr_t addr, uint_t flags, char **bufp, size_t *lenp)
+{
+	uintptr_t ptr1, ptr2;
+	size_t blen = *lenp + 1;
+	char *buf;
+	boolean_t quoted = flags & JSSTR_QUOTED ? B_TRUE : B_FALSE;
+	int rval = -1;
+
+	if ((flags & JSSTR_ISASCII) == 0) {
+		(void) bsnprintf(bufp, lenp, "<external two-byte string>");
+		return (0);
+	}
+
+	if (flags & JSSTR_VERBOSE)
+		mdb_printf("assuming Node.js string\n");
+
+	if (read_heap_ptr(&ptr1, addr, V8_OFF_EXTERNALSTRING_RESOURCE) != 0) {
+		(void) bsnprintf(bufp, lenp,
+		    "<external string (failed to read resource)>");
+		return (-1);
+	}
+
+	if (mdb_vread(&ptr2, sizeof (ptr2),
+	    ptr1 + NODE_OFF_EXTSTR_DATA) == -1) {
+		(void) bsnprintf(bufp, lenp, "<external string (failed to "
+		    "read node external pointer %p)>",
+		    ptr1 + NODE_OFF_EXTSTR_DATA);
+		return (-1);
+	}
+
+	buf = mdb_alloc(blen, UM_SLEEP);
+
+	if (mdb_readstr(buf, blen, ptr2) == -1) {
+		(void) bsnprintf(bufp, lenp, "<external string "
+		    "(failed to read ExternalString data)>");
+		goto out;
+	}
+
+	if (buf[0] != '\0' && !isascii(buf[0])) {
+		(void) bsnprintf(bufp, lenp, "<external string "
+		    "(failed to read ExternalString ascii data)>");
+		goto out;
+	}
+
+	(void) bsnprintf(bufp, lenp, "%s%s%s",
+	    quoted ? "\"" : "", buf, quoted ? "\"" : "");
+
+	rval = 0;
+out:
+	mdb_free(buf, blen);
+
+	return (rval);
+}
+
+/*
+ * Returns true if the given address refers to the named oddball object (e.g.
+ * "undefined").  Returns false on failure (since we shouldn't fail on the
+ * actual "undefined" value).
+ */
+static boolean_t
+jsobj_is_oddball(uintptr_t addr, char *oddball)
+{
+	uint8_t type;
+	uintptr_t strptr;
+	const char *typename;
+	char buf[16];
+	char *bufp = buf;
+	size_t len = sizeof (buf);
+
+	v8_silent++;
+
+	if (read_typebyte(&type, addr) != 0) {
+		v8_silent--;
+		return (B_FALSE);
+	}
+
+	v8_silent--;
+	typename = enum_lookup_str(v8_types, type, "<unknown>");
+	if (strcmp(typename, "Oddball") != 0)
+		return (B_FALSE);
+
+	if (read_heap_ptr(&strptr, addr, V8_OFF_ODDBALL_TO_STRING) == -1)
+		return (B_FALSE);
+
+	if (jsstr_print(strptr, JSSTR_NUDE, &bufp, &len) != 0)
+		return (B_FALSE);
+
+	return (strcmp(buf, oddball) == 0);
+}
+
+static boolean_t
+jsobj_is_undefined(uintptr_t addr)
+{
+	return (jsobj_is_oddball(addr, "undefined"));
+}
+
+static boolean_t
+jsobj_is_hole(uintptr_t addr)
+{
+	return (jsobj_is_oddball(addr, "hole"));
+}
+
+/*
+ * Iterate the properties of a JavaScript object "addr".
+ *
+ * Every heap object refers to a Map that describes how that heap object is laid
+ * out.  The Map includes information like the constructor function used to
+ * create the object, how many bytes each object uses, and how many properties
+ * are stored inside the object.  (A single Map object can be shared by many
+ * objects of the same general type, which is why this information is encoded by
+ * reference rather than contained in each object.)
+ *
+ * V8 knows about lots of different kinds of properties:
+ *
+ *    o properties with numeric names (e.g., array elements)
+ *    o dictionary properties
+ *    o "fast" properties stored inside each object, much like a C struct
+ *    o properties stored in the separate "properties" array
+ *    o getters, setters, and other magic (not supported by this module)
+ *
+ * While property lookup in JavaScript involves traversing an object's prototype
+ * chain, this module only iterates the properties local to the object itself.
+ *
+ *
+ * Numeric properties
+ *
+ * Properties having numeric indexes are stored in the "elements" array attached
+ * to each object.  Objects with numeric properties can also have other
+ * properties.
+ *
+ *
+ * Dictionary properties
+ *
+ * An object with dictionary properties is identified by one of the bits in
+ * "bitfield3" in the object's Map.  For details on slow properties, see
+ * read_heap_dict().
+ *
+ *
+ * Other properties
+ *
+ * The Map object refers to an array of "instance descriptors".  This array has
+ * a few metadata entries at the front, followed by groups of three entries for
+ * each property.  In Node v0.10 and later, it looks roughly like this:
+ *
+ *               +--------------+         +----------------------+
+ *               | JSObject     |    +--> | Map                  |
+ *               +--------------|    |    +----------------------+
+ *               | map          | ---+    | ...                  |
+ *               | ...          |         | instance_descriptors | --+
+ *  in-object    | [prop 0 val] |         | ...                  |   |
+ *  properties   | [prop 1 val] |         +----------------------+   |
+ *  (not for all | ...          |                                    |
+ *  objects)     | [prop N val] |                                    |
+ *               +--------------+                                    |
+ *                 +------------------------------------------------+
+ *                 |
+ *                 +----> +------------------------------+
+ *                        | FixedArray                   |
+ *                        +------------------------------+
+ *                        | ...                          |
+ *                        | prop 0 "key" descriptor      |
+ *                        | prop 0 "details" descriptor  |
+ *                        | prop 0 "value" descriptor    |
+ *                        | prop 1 "key" descriptor      |
+ *                        | prop 1 "details" descriptor  |
+ *                        | prop 1 "value" descriptor    |
+ *                        | ...                          |
+ *                        | prop N "key" descriptor      |
+ *                        | prop N "details" descriptor  |
+ *                        | prop N "value" descriptor    |
+ *                        +------------------------------+
+ *
+ * In versions of Node prior to 0.10, there's an extra level of indirection.
+ * The Map refers to a "transitions" array, which has an entry that points to
+ * the instance descriptors.  In both cases, the descriptors look roughly the
+ * same.
+ *
+ * Each property is described by three pointer-sized entries:
+ *
+ *    o key: a string denoting the name of the property
+ *    o details: a bitfield describing attributes of this property
+ *    o value: an integer describing where this property's value is stored
+ *
+ * "key" is straightforward: it's just the name of the property as the
+ * JavaScript programmer knows it.
+ *
+ * In versions prior to Node 0.12, "value" is an integer.  If "value" is less
+ * than the number of properties stored inside the object (which is also
+ * recorded in the Map), then it denotes which of the in-object property value
+ * slots (shown above inside the JSObject object) stores the value for this
+ * property.  If "value" is greater than the number of properties stored inside
+ * the object, then it denotes which index into the separate "properties" array
+ * (a separate field in the JSObject, not shown above) contains the value for
+ * this property.
+ *
+ * In Node 0.12, for properties that are stored inside the object, the offset is
+ * obtained not using "value", but using a bitfield from the "details" part of
+ * the descriptor.
+ *
+ * Terminology notes: it's important to keep straight the different senses of
+ * "object" and "property" here.  We use "JavaScript objects" to refer to the
+ * things that JavaScript programmers would call objects, including instances of
+ * Object and Array and subclasses of those.  These are a subset of V8 heap
+ * objects, since V8 uses its heap to manage lots of other objects that
+ * JavaScript programmers don't think about.  This function iterates JavaScript
+ * properties of these JavaScript objects, not internal properties of heap
+ * objects in general.
+ *
+ * Relatedly, while JavaScript programmers frequently interchange the notions of
+ * property names, property values, and property configurations (e.g., getters
+ * and setters, read-only or not, hidden or not), these are all distinct in the
+ * implementation of the VM, and "property" typically refers to the whole
+ * configuration, which may include a way to get the property name and value.
+ *
+ * The canonical source of the information used here is the implementation of
+ * property lookup in the V8 source code, currently in Object::GetProperty.
+ */
+
+static int
+jsobj_properties(uintptr_t addr,
+    int (*func)(const char *, uintptr_t, void *), void *arg,
+    jspropinfo_t *propinfop)
+{
+	uintptr_t ptr, map, elements;
+	uintptr_t *props = NULL, *descs = NULL, *content = NULL, *trans, *elts;
+	size_t size, nprops, ndescs, ncontent, ntrans, len;
+	ssize_t ii, rndescs;
+	uint8_t type, ninprops;
+	int rval = -1;
+	size_t ps = sizeof (uintptr_t);
+	ssize_t off;
+	jspropinfo_t propinfo = JPI_NONE;
+
+	/*
+	 * First, check if the JSObject's "properties" field is a FixedArray.
+	 * If not, then this is something we don't know how to deal with, and
+	 * we'll just pass the caller a NULL value.
+	 */
+	if (mdb_vread(&ptr, ps, addr + V8_OFF_JSOBJECT_PROPERTIES) == -1)
+		return (-1);
+
+	if (read_typebyte(&type, ptr) != 0)
+		return (-1);
+
+	if (type != V8_TYPE_FIXEDARRAY) {
+		char buf[256];
+		(void) mdb_snprintf(buf, sizeof (buf), "<%s>",
+		    enum_lookup_str(v8_types, type, "unknown"));
+		if (propinfop != NULL)
+			*propinfop = JPI_BADLAYOUT;
+		return (func(buf, NULL, arg));
+	}
+
+	/*
+	 * As described above, we need the Map to figure out how to iterate the
+	 * properties for this object.
+	 */
+	if (mdb_vread(&map, ps, addr + V8_OFF_HEAPOBJECT_MAP) == -1)
+		goto err;
+
+	/*
+	 * Check to see if our elements member is an array and non-zero; if
+	 * so, it contains numerically-named properties.  Whether or not there
+	 * are any numerically-named properties, there may be other kinds of
+	 * properties.
+	 */
+	if (V8_ELEMENTS_KIND_SHIFT != -1 &&
+	    read_heap_ptr(&elements, addr, V8_OFF_JSOBJECT_ELEMENTS) == 0 &&
+	    read_heap_array(elements, &elts, &len, UM_SLEEP) == 0 && len != 0) {
+		uint8_t bit_field2, kind;
+		size_t sz = len * sizeof (uintptr_t);
+
+		if (mdb_vread(&bit_field2, sizeof (bit_field2),
+		    map + V8_OFF_MAP_BIT_FIELD2) == -1) {
+			mdb_free(elts, sz);
+			goto err;
+		}
+
+		kind = bit_field2 >> V8_ELEMENTS_KIND_SHIFT;
+		kind &= (1 << V8_ELEMENTS_KIND_BITCOUNT) - 1;
+		propinfo |= JPI_NUMERIC;
+
+		if (kind == V8_ELEMENTS_FAST_ELEMENTS ||
+		    kind == V8_ELEMENTS_FAST_HOLEY_ELEMENTS) {
+			for (ii = 0; ii < len; ii++) {
+				char name[10];
+
+				if (kind == V8_ELEMENTS_FAST_HOLEY_ELEMENTS &&
+				    jsobj_is_hole(elts[ii]))
+					continue;
+
+				snprintf(name, sizeof (name), "%" PRIdPTR, ii);
+
+				if (func(name, elts[ii], arg) != 0) {
+					mdb_free(elts, sz);
+					goto err;
+				}
+			}
+		} else if (kind == V8_ELEMENTS_DICTIONARY_ELEMENTS) {
+			propinfo |= JPI_DICT;
+			if (read_heap_dict(elements, func, arg) != 0) {
+				mdb_free(elts, sz);
+				goto err;
+			}
+		}
+
+		mdb_free(elts, sz);
+	}
+
+	if (V8_DICT_SHIFT != -1) {
+		v8_field_t *flp;
+		uintptr_t bit_field3;
+
+		/*
+		 * If dictionary properties are supported (the V8_DICT_SHIFT
+		 * offset is not -1), then bitfield 3 tells us if the properties
+		 * for this object are stored in "properties" field of the
+		 * object using a Dictionary representation.
+		 *
+		 * Versions of V8 prior to Node 0.12 treated bit_field3 as an
+		 * SMI, so it was pointer-sized, and it has to be converted from
+		 * an SMI before using it.  In 0.12, it's treated as a raw
+		 * uint32_t, meaning it's always int-sized and it should not be
+		 * converted.  We can tell which case we're in because the debug
+		 * constant (v8dbg_class_map__bit_field3__TYPE) tells us whether
+		 * the TYPE is "SMI" or "int".
+		 */
+
+		flp = conf_field_lookup("Map", "bit_field3");
+		if (flp == NULL || flp->v8f_isbyte) {
+			/*
+			 * v8f_isbyte indicates the type is "int", so we're in
+			 * the int-sized not-a-SMI world.
+			 */
+			unsigned int bf3_value;
+			if (mdb_vread(&bf3_value, sizeof (bf3_value),
+				map + V8_OFF_MAP_BIT_FIELD3) == -1)
+				goto err;
+			bit_field3 = (uintptr_t)bf3_value;
+		} else {
+			/* The metadata indicates this is an SMI. */
+			if (mdb_vread(&bit_field3, sizeof (bit_field3),
+				map + V8_OFF_MAP_BIT_FIELD3) == -1)
+					goto err;
+			bit_field3 = V8_SMI_VALUE(bit_field3);
+		}
+
+		if (bit_field3 & (1 << V8_DICT_SHIFT)) {
+			propinfo |= JPI_DICT;
+			if (propinfop != NULL)
+				*propinfop = propinfo;
+			return (read_heap_dict(ptr, func, arg));
+		}
+	} else if (V8_OFF_MAP_INSTANCE_DESCRIPTORS != -1) {
+		uintptr_t bit_field3;
+
+		if (mdb_vread(&bit_field3, sizeof (bit_field3),
+		    map + V8_OFF_MAP_INSTANCE_DESCRIPTORS) == -1)
+			goto err;
+
+		if (V8_SMI_VALUE(bit_field3) == (1 << V8_ISSHARED_SHIFT)) {
+			/*
+			 * On versions of V8 prior to that used in 0.10,
+			 * the instance descriptors were overloaded to also
+			 * be bit_field3 -- and there was no way from that
+			 * field to infer a dictionary type.  Because we
+			 * can't determine if the map is actually the
+			 * hash_table_map, we assume that if it's an object
+			 * that has kIsShared set, that it is in fact a
+			 * dictionary -- an assumption that is assuredly in
+			 * error in some cases.
+			 */
+			propinfo |= JPI_DICT;
+			if (propinfop != NULL)
+				*propinfop = propinfo;
+			return (read_heap_dict(ptr, func, arg));
+		}
+	}
+
+	if (read_heap_array(ptr, &props, &nprops, UM_SLEEP) != 0)
+		goto err;
+
+	/*
+	 * Check if we're looking at an older version of V8, where the instance
+	 * descriptors are stored not directly in the Map, but in the
+	 * "transitions" array that's stored in the Map.
+	 */
+	if (V8_OFF_MAP_INSTANCE_DESCRIPTORS == -1) {
+		if (V8_OFF_MAP_TRANSITIONS == -1 ||
+		    V8_TRANSITIONS_IDX_DESC == -1 ||
+		    V8_PROP_IDX_CONTENT != -1) {
+			mdb_warn("missing instance_descriptors, but did "
+			    "not find expected transitions array metadata; "
+			    "cannot read properties\n");
+			goto err;
+		}
+
+		propinfo |= JPI_HASTRANSITIONS;
+		off = V8_OFF_MAP_TRANSITIONS;
+		if (mdb_vread(&ptr, ps, map + off) == -1)
+			goto err;
+
+		if (read_heap_array(ptr, &trans, &ntrans, UM_SLEEP) != 0)
+			goto err;
+
+		ptr = trans[V8_TRANSITIONS_IDX_DESC];
+		mdb_free(trans, ntrans * sizeof (uintptr_t));
+	} else {
+		off = V8_OFF_MAP_INSTANCE_DESCRIPTORS;
+		if (mdb_vread(&ptr, ps, map + off) == -1)
+			goto err;
+	}
+
+	/*
+	 * Either way, at this point "ptr" should refer to the descriptors
+	 * array.
+	 */
+	if (read_heap_array(ptr, &descs, &ndescs, UM_SLEEP) != 0)
+		goto err;
+
+	/*
+	 * For cases where property values are stored directly inside the object
+	 * ("fast properties"), we need to know the whole size of the object and
+	 * the number of properties in the object in order to calculate the
+	 * correct offset for each property.
+	 */
+	if (read_size(&size, addr) != 0)
+		size = 0;
+	if (mdb_vread(&ninprops, ps,
+	    map + V8_OFF_MAP_INOBJECT_PROPERTIES) == -1)
+		goto err;
+
+	if (V8_PROP_IDX_CONTENT == -1) {
+		/*
+		 * On node v0.8 and later, the content is not stored in a
+		 * separate FixedArray, but rather with the descriptors.  The
+		 * number of actual properties is the length of the array minus
+		 * the first (non-property) elements divided by the number of
+		 * elements per property.
+		 */
+		content = descs;
+		ncontent = ndescs;
+		rndescs = ndescs > V8_PROP_IDX_FIRST ?
+		    (ndescs - V8_PROP_IDX_FIRST) / V8_PROP_DESC_SIZE : 0;
+	} else {
+		/*
+		 * On older versions, the content is stored in a separate array,
+		 * and there's one entry per property (rather than three).
+		 */
+		if (V8_PROP_IDX_CONTENT < ndescs &&
+		    read_heap_array(descs[V8_PROP_IDX_CONTENT], &content,
+		    &ncontent, UM_SLEEP) != 0)
+			goto err;
+
+		rndescs = ndescs - V8_PROP_IDX_FIRST;
+		propinfo |= JPI_HASCONTENT;
+	}
+
+	/*
+	 * At this point, we've read all the pieces we need to process the list
+	 * of instance descriptors.
+	 */
+	for (ii = 0; ii < rndescs; ii++) {
+		uintptr_t keyidx, validx, detidx, baseidx;
+		char buf[1024];
+		intptr_t val;
+		size_t len = sizeof (buf);
+		char *c = buf;
+
+		if (V8_PROP_IDX_CONTENT != -1) {
+			/*
+			 * In node versions prior to v0.8, this was hardcoded
+			 * in the V8 implementation, so we hardcode it here
+			 * as well.
+			 */
+			keyidx = ii + V8_PROP_IDX_FIRST;
+			validx = ii << 1;
+			detidx = (ii << 1) + 1;
+		} else {
+			baseidx = V8_PROP_IDX_FIRST + (ii * V8_PROP_DESC_SIZE);
+			keyidx = baseidx + V8_PROP_DESC_KEY;
+			validx = baseidx + V8_PROP_DESC_VALUE;
+			detidx = baseidx + V8_PROP_DESC_DETAILS;
+		}
+
+		/*
+		 * Ignore cases where our understanding doesn't appear to match
+		 * what's here.
+		 */
+		if (detidx >= ncontent) {
+			propinfo |= JPI_SKIPPED;
+			v8_warn("property descriptor %d: detidx (%d) "
+			    "out of bounds for content array (length %d)\n",
+			    ii, detidx, ncontent);
+			continue;
+		}
+
+		/*
+		 * We only process fields.  There are other entries here
+		 * (notably: transitions) that we don't care about (and these
+		 * are not errors).
+		 */
+		if (!V8_DESC_ISFIELD(content[detidx]))
+			continue;
+
+		if (keyidx >= ndescs) {
+			propinfo |= JPI_SKIPPED;
+			v8_warn("property descriptor %d: keyidx (%d) "
+			    "out of bounds for descriptor array (length %d)\n",
+			    ii, keyidx, ndescs);
+			continue;
+		}
+
+		if (jsstr_print(descs[keyidx], JSSTR_NUDE, &c, &len) != 0) {
+			propinfo |= JPI_SKIPPED;
+			continue;
+		}
+
+		val = (intptr_t)content[validx];
+		if (!V8_IS_SMI(val)) {
+			propinfo |= JPI_SKIPPED;
+			v8_warn("object %p: property descriptor %d: value "
+			    "index is not an SMI: %p\n", addr, ii, val);
+			continue;
+		}
+
+		/*
+		 * The "value" part of each property descriptor tells us whether
+		 * the property value is stored directly in the object or in the
+		 * related "props" array.  See JSObject::RawFastPropertyAt() in
+		 * the V8 source.
+		 */
+		val = V8_SMI_VALUE(val) - ninprops;
+		if (val < 0) {
+			uintptr_t propaddr;
+
+			/*
+			 * The property is stored directly inside the object.
+			 * In Node 0.10, "val - ninprops" is the (negative)
+			 * index of the property counted from the end of the
+			 * object.  In that context, -1 refers to the last
+			 * word in the object; -2 refers to the second-last
+			 * word, and so on.
+			 *
+			 * In Node 0.12, we get the 0-based index from the
+			 * first property inside the object by reading certain
+			 * bits from the property descriptor details word.
+			 * These constants are literal here because they're
+			 * literal in the V8 source itself.
+			 */
+			if (v8_major > 3 || (v8_major == 3 && v8_minor >= 26)) {
+				val = V8_PROP_FIELDINDEX(content[detidx]);
+				propaddr = addr + V8_OFF_HEAP(
+				    size - (ninprops - val) * ps);
+			} else {
+				propaddr = addr + V8_OFF_HEAP(size + val * ps);
+			}
+
+			if (mdb_vread(&ptr, sizeof (ptr), propaddr) == -1) {
+				propinfo |= JPI_SKIPPED;
+				v8_warn("object %p: failed to read in-object "
+				    "property at %p", addr, propaddr);
+				continue;
+			}
+
+			propinfo |= JPI_INOBJECT;
+		} else {
+			/*
+			 * The property is in the separate "props" array.
+			 */
+			if (val >= nprops) {
+				/*
+				 * This can happen when properties are deleted.
+				 * If this value isn't obviously corrupt, we'll
+				 * just silently ignore it.
+				 */
+				if (val < rndescs)
+					continue;
+
+				propinfo |= JPI_SKIPPED;
+				v8_warn("object %p: property descriptor %d: "
+				    "value index value (%d) out of bounds "
+				    "(%d)\n", addr, ii, val, nprops);
+				goto err;
+			}
+
+			propinfo |= JPI_PROPS;
+			ptr = props[val];
+		}
+
+		if (func(buf, ptr, arg) != 0)
+			goto err;
+	}
+
+	rval = 0;
+	if (propinfop != NULL)
+		*propinfop = propinfo;
+
+err:
+	if (props != NULL)
+		mdb_free(props, nprops * sizeof (uintptr_t));
+
+	if (descs != NULL)
+		mdb_free(descs, ndescs * sizeof (uintptr_t));
+
+	if (content != NULL && V8_PROP_IDX_CONTENT != -1)
+		mdb_free(content, ncontent * sizeof (uintptr_t));
+
+	return (rval);
+}
+
+/*
+ * Given the line endings table in "lendsp", computes the line number for the
+ * given token position and print the result into "buf".  If "lendsp" is
+ * undefined, prints the token position instead.
+ */
+static int
+jsfunc_lineno(uintptr_t lendsp, uintptr_t tokpos,
+    char *buf, size_t buflen, int *lineno)
+{
+	uintptr_t size, bufsz, lower, upper, ii = 0;
+	uintptr_t *data;
+
+	if (lineno != NULL)
+		*lineno = -1;
+
+	if (jsobj_is_undefined(lendsp)) {
+		/*
+		 * The token position is an SMI, but it comes in as its raw
+		 * value so we can more easily compare it to values in the line
+		 * endings table.  If we're just printing the position directly,
+		 * we must convert it here, unless we're checking against the
+		 * "-1" sentinel.
+		 */
+		if (tokpos == V8_VALUE_SMI(-1))
+			mdb_snprintf(buf, buflen, "unknown position");
+		else
+			mdb_snprintf(buf, buflen, "position %d",
+			    V8_SMI_VALUE(tokpos));
+
+		if (lineno != NULL)
+			*lineno = 0;
+
+		return (0);
+	}
+
+	if (read_heap_smi(&size, lendsp, V8_OFF_FIXEDARRAY_LENGTH) != 0)
+		return (-1);
+
+	bufsz = size * sizeof (data[0]);
+
+	if ((data = mdb_alloc(bufsz, UM_NOSLEEP)) == NULL) {
+		v8_warn("failed to alloc %d bytes for FixedArray data", bufsz);
+		return (-1);
+	}
+
+	if (mdb_vread(data, bufsz, lendsp + V8_OFF_FIXEDARRAY_DATA) != bufsz) {
+		v8_warn("failed to read FixedArray data");
+		mdb_free(data, bufsz);
+		return (-1);
+	}
+
+	lower = 0;
+	upper = size - 1;
+
+	if (tokpos > data[upper]) {
+		(void) strlcpy(buf, "position out of range", buflen);
+		mdb_free(data, bufsz);
+
+		if (lineno != NULL)
+			*lineno = 0;
+
+		return (0);
+	}
+
+	if (tokpos <= data[0]) {
+		(void) strlcpy(buf, "line 1", buflen);
+		mdb_free(data, bufsz);
+
+		if (lineno != NULL)
+			*lineno = 1;
+
+		return (0);
+	}
+
+	while (upper >= 1) {
+		ii = (lower + upper) >> 1;
+		if (tokpos > data[ii])
+			lower = ii + 1;
+		else if (tokpos <= data[ii - 1])
+			upper = ii - 1;
+		else
+			break;
+	}
+
+	if (lineno != NULL)
+		*lineno = ii + 1;
+
+	(void) mdb_snprintf(buf, buflen, "line %d", ii + 1);
+	mdb_free(data, bufsz);
+	return (0);
+}
+
+/*
+ * Given a Script object, prints nlines on either side of lineno, with each
+ * line prefixed by prefix (if non-NULL).
+ */
+static void
+jsfunc_lines(uintptr_t scriptp,
+    uintptr_t start, uintptr_t end, int nlines, char *prefix)
+{
+	uintptr_t src;
+	char *buf, *bufp;
+	size_t bufsz = 1024, len;
+	int i, line, slop = 10;
+	boolean_t newline = B_TRUE;
+	int startline = -1, endline = -1;
+
+	if (read_heap_ptr(&src, scriptp, V8_OFF_SCRIPT_SOURCE) != 0)
+		return;
+
+	for (;;) {
+		if ((buf = mdb_zalloc(bufsz, UM_NOSLEEP)) == NULL) {
+			mdb_warn("failed to allocate source code "
+			    "buffer of size %d", bufsz);
+			return;
+		}
+
+		bufp = buf;
+		len = bufsz;
+
+		if (jsstr_print(src, JSSTR_NUDE, &bufp, &len) != 0) {
+			mdb_free(buf, bufsz);
+			return;
+		}
+
+		if (len > slop)
+			break;
+
+		mdb_free(buf, bufsz);
+		bufsz <<= 1;
+	}
+
+	if (end >= bufsz)
+		return;
+
+	/*
+	 * First, take a pass to determine where our lines actually start.
+	 */
+	for (i = 0, line = 1; buf[i] != '\0'; i++) {
+		if (buf[i] == '\n')
+			line++;
+
+		if (i == start)
+			startline = line;
+
+		if (i == end) {
+			endline = line;
+			break;
+		}
+	}
+
+	if (startline == -1 || endline == -1) {
+		mdb_warn("for script %p, could not determine startline/endline"
+		    " (start %ld, end %ld, nlines %d)\n",
+		    scriptp, start, end, nlines);
+		mdb_free(buf, bufsz);
+		return;
+	}
+
+	for (i = 0, line = 1; buf[i] != '\0'; i++) {
+		if (buf[i] == '\n') {
+			line++;
+			newline = B_TRUE;
+		}
+
+		if (line < startline - nlines)
+			continue;
+
+		if (line > endline + nlines)
+			break;
+
+		mdb_printf("%c", buf[i]);
+
+		if (newline) {
+			if (line >= startline && line <= endline)
+				mdb_printf("%<b>");
+
+			if (prefix != NULL)
+				mdb_printf(prefix, line);
+
+			if (line >= startline && line <= endline)
+				mdb_printf("%</b>");
+
+			newline = B_FALSE;
+		}
+	}
+
+	mdb_printf("\n");
+
+	if (line == endline)
+		mdb_printf("%</b>");
+
+	mdb_free(buf, bufsz);
+}
+
+/*
+ * Given a SharedFunctionInfo object, prints into bufp a name of the function
+ * suitable for printing.  This function attempts to infer a name for anonymous
+ * functions.
+ */
+static int
+jsfunc_name(uintptr_t funcinfop, char **bufp, size_t *lenp)
+{
+	uintptr_t ptrp;
+	char *bufs = *bufp;
+
+	if (read_heap_ptr(&ptrp, funcinfop,
+	    V8_OFF_SHAREDFUNCTIONINFO_NAME) != 0) {
+		(void) bsnprintf(bufp, lenp,
+		    "<function (failed to read SharedFunctionInfo)>");
+		return (-1);
+	}
+
+	if (jsstr_print(ptrp, JSSTR_NUDE, bufp, lenp) != 0)
+		return (-1);
+
+	if (*bufp != bufs)
+		return (0);
+
+	if (read_heap_ptr(&ptrp, funcinfop,
+	    V8_OFF_SHAREDFUNCTIONINFO_INFERRED_NAME) != 0) {
+		(void) bsnprintf(bufp, lenp, "<anonymous>");
+		return (0);
+	}
+
+	(void) bsnprintf(bufp, lenp, "<anonymous> (as ");
+	bufs = *bufp;
+
+	if (jsstr_print(ptrp, JSSTR_NUDE, bufp, lenp) != 0)
+		return (-1);
+
+	if (*bufp == bufs)
+		(void) bsnprintf(bufp, lenp, "<anon>");
+
+	(void) bsnprintf(bufp, lenp, ")");
+
+	return (0);
+}
+
+/*
+ * JavaScript-level object printing
+ */
+
+static int
+jsobj_print(uintptr_t addr, jsobj_print_t *jsop)
+{
+	uint8_t type;
+	const char *klass;
+	char **bufp = jsop->jsop_bufp;
+	size_t *lenp = jsop->jsop_lenp;
+
+	const struct {
+		char *name;
+		int (*func)(uintptr_t, jsobj_print_t *);
+	} table[] = {
+		{ "HeapNumber", jsobj_print_number },
+		{ "Oddball", jsobj_print_oddball },
+		{ "JSObject", jsobj_print_jsobject },
+		{ "JSArray", jsobj_print_jsarray },
+		{ "JSFunction", jsobj_print_jsfunction },
+		{ "JSDate", jsobj_print_jsdate },
+		{ NULL }
+	}, *ent;
+
+	if (jsop->jsop_baseaddr != NULL && jsop->jsop_member == NULL)
+		(void) bsnprintf(bufp, lenp, "%p: ", jsop->jsop_baseaddr);
+
+	if (jsop->jsop_printaddr && jsop->jsop_member == NULL)
+		(void) bsnprintf(bufp, lenp, "%p: ", addr);
+
+	if (V8_IS_SMI(addr)) {
+		(void) bsnprintf(bufp, lenp, "%d", V8_SMI_VALUE(addr));
+		return (0);
+	}
+
+	if (!V8_IS_HEAPOBJECT(addr)) {
+		(void) bsnprintf(bufp, lenp, "<not a heap object>");
+		return (-1);
+	}
+
+	if (read_typebyte(&type, addr) != 0) {
+		(void) bsnprintf(bufp, lenp, "<couldn't read type>");
+		return (-1);
+	}
+
+	if (V8_TYPE_STRING(type)) {
+		if (jsstr_print(addr, JSSTR_QUOTED, bufp, lenp) == -1)
+			return (-1);
+
+		return (0);
+	}
+
+	klass = enum_lookup_str(v8_types, type, "<unknown>");
+
+	for (ent = &table[0]; ent->name != NULL; ent++) {
+		if (strcmp(klass, ent->name) == 0) {
+			jsop->jsop_descended = B_TRUE;
+			return (ent->func(addr, jsop));
+		}
+	}
+
+	(void) bsnprintf(bufp, lenp,
+	    "<unknown JavaScript object type \"%s\">", klass);
+	return (-1);
+}
+
+static int
+jsobj_print_number(uintptr_t addr, jsobj_print_t *jsop)
+{
+	char **bufp = jsop->jsop_bufp;
+	size_t *lenp = jsop->jsop_lenp;
+	double numval;
+
+	if (read_heap_double(&numval, addr, V8_OFF_HEAPNUMBER_VALUE) == -1)
+		return (-1);
+
+	if (numval == (long long)numval)
+		(void) bsnprintf(bufp, lenp, "%lld", (long long)numval);
+	else
+		(void) bsnprintf(bufp, lenp, "%e", numval);
+
+	return (0);
+}
+
+static int
+jsobj_print_oddball(uintptr_t addr, jsobj_print_t *jsop)
+{
+	char **bufp = jsop->jsop_bufp;
+	size_t *lenp = jsop->jsop_lenp;
+	uintptr_t strptr;
+
+	if (read_heap_ptr(&strptr, addr, V8_OFF_ODDBALL_TO_STRING) != 0)
+		return (-1);
+
+	return (jsstr_print(strptr, JSSTR_NUDE, bufp, lenp));
+}
+
+static int
+jsobj_print_prop(const char *desc, uintptr_t val, void *arg)
+{
+	jsobj_print_t *jsop = arg, descend;
+	char **bufp = jsop->jsop_bufp;
+	size_t *lenp = jsop->jsop_lenp;
+
+	(void) bsnprintf(bufp, lenp, "%s\n%*s\"%s\": ", jsop->jsop_nprops == 0 ?
+	    "{" : "", jsop->jsop_indent + 4, "", desc);
+
+	descend = *jsop;
+	descend.jsop_depth--;
+	descend.jsop_indent += 4;
+
+	(void) jsobj_print(val, &descend);
+	(void) bsnprintf(bufp, lenp, ",");
+
+	jsop->jsop_nprops++;
+
+	return (0);
+}
+
+static int
+jsobj_print_prop_member(const char *desc, uintptr_t val, void *arg)
+{
+	jsobj_print_t *jsop = arg, descend;
+	const char *member = jsop->jsop_member, *next = member;
+	int rv;
+
+	for (; *next != '\0' && *next != '.' && *next != '['; next++)
+		continue;
+
+	if (*member == '[') {
+		mdb_warn("cannot use array indexing on an object\n");
+		return (-1);
+	}
+
+	if (strncmp(member, desc, next - member) != 0)
+		return (0);
+
+	if (desc[next - member] != '\0')
+		return (0);
+
+	/*
+	 * This property matches the desired member; descend.
+	 */
+	descend = *jsop;
+
+	if (*next == '\0') {
+		descend.jsop_member = NULL;
+		descend.jsop_found = B_TRUE;
+	} else {
+		descend.jsop_member = *next == '.' ? next + 1 : next;
+	}
+
+	rv = jsobj_print(val, &descend);
+	jsop->jsop_found = descend.jsop_found;
+
+	return (rv);
+}
+
+static int
+jsobj_print_jsobject(uintptr_t addr, jsobj_print_t *jsop)
+{
+	char **bufp = jsop->jsop_bufp;
+	size_t *lenp = jsop->jsop_lenp;
+
+	if (jsop->jsop_member != NULL)
+		return (jsobj_properties(addr, jsobj_print_prop_member,
+		    jsop, &jsop->jsop_propinfo));
+
+	if (jsop->jsop_depth == 0) {
+		(void) bsnprintf(bufp, lenp, "[...]");
+		return (0);
+	}
+
+	jsop->jsop_nprops = 0;
+
+	if (jsobj_properties(addr, jsobj_print_prop, jsop,
+	    &jsop->jsop_propinfo) != 0)
+		return (-1);
+
+	if (jsop->jsop_nprops > 0) {
+		(void) bsnprintf(bufp, lenp, "\n%*s", jsop->jsop_indent, "");
+	} else if (jsop->jsop_nprops == 0) {
+		(void) bsnprintf(bufp, lenp, "{");
+	} else {
+		(void) bsnprintf(bufp, lenp, "{ /* unknown property */ ");
+	}
+
+	(void) bsnprintf(bufp, lenp, "}");
+
+	return (0);
+}
+
+static int
+jsobj_print_jsarray_member(uintptr_t addr, jsobj_print_t *jsop)
+{
+	uintptr_t *elts;
+	jsobj_print_t descend;
+	uintptr_t ptr;
+	const char *member = jsop->jsop_member, *end, *p;
+	size_t elt = 0, place = 1, len, rv;
+	char **bufp = jsop->jsop_bufp;
+	size_t *lenp = jsop->jsop_lenp;
+
+	if (read_heap_ptr(&ptr, addr, V8_OFF_JSOBJECT_ELEMENTS) != 0) {
+		(void) bsnprintf(bufp, lenp,
+		    "<array member (failed to read elements)>");
+		return (-1);
+	}
+
+	if (read_heap_array(ptr, &elts, &len, UM_SLEEP | UM_GC) != 0) {
+		(void) bsnprintf(bufp, lenp,
+		    "<array member (failed to read array)>");
+		return (-1);
+	}
+
+	if (*member != '[') {
+		mdb_warn("expected bracketed array index; "
+		    "found '%s'\n", member);
+		return (-1);
+	}
+
+	if ((end = strchr(member, ']')) == NULL) {
+		mdb_warn("missing array index terminator\n");
+		return (-1);
+	}
+
+	/*
+	 * We know where our array index ends; convert it to an integer
+	 * by stepping through it from least significant digit to most.
+	 */
+	for (p = end - 1; p > member; p--) {
+		if (*p < '0' || *p > '9') {
+			mdb_warn("illegal array index at '%c'\n", *p);
+			return (-1);
+		}
+
+		elt += (*p - '0') * place;
+		place *= 10;
+	}
+
+	if (place == 1) {
+		mdb_warn("missing array index\n");
+		return (-1);
+	}
+
+	if (elt >= len) {
+		mdb_warn("array index %d exceeds size of %d\n", elt, len);
+		return (-1);
+	}
+
+	descend = *jsop;
+
+	switch (*(++end)) {
+	case '\0':
+		descend.jsop_member = NULL;
+		descend.jsop_found = B_TRUE;
+		break;
+
+	case '.':
+		descend.jsop_member = end + 1;
+		break;
+
+	case '[':
+		descend.jsop_member = end;
+		break;
+
+	default:
+		mdb_warn("illegal character '%c' following "
+		    "array index terminator\n", *end);
+		return (-1);
+	}
+
+	rv = jsobj_print(elts[elt], &descend);
+	jsop->jsop_found = descend.jsop_found;
+
+	return (rv);
+}
+
+static int
+jsobj_print_jsarray(uintptr_t addr, jsobj_print_t *jsop)
+{
+	char **bufp = jsop->jsop_bufp;
+	size_t *lenp = jsop->jsop_lenp;
+	int indent = jsop->jsop_indent;
+	jsobj_print_t descend;
+	uintptr_t ptr;
+	uintptr_t *elts;
+	size_t ii, len;
+
+	if (jsop->jsop_member != NULL)
+		return (jsobj_print_jsarray_member(addr, jsop));
+
+	if (jsop->jsop_depth == 0) {
+		(void) bsnprintf(bufp, lenp, "[...]");
+		return (0);
+	}
+
+	if (read_heap_ptr(&ptr, addr, V8_OFF_JSOBJECT_ELEMENTS) != 0) {
+		(void) bsnprintf(bufp, lenp,
+		    "<array (failed to read elements)>");
+		return (-1);
+	}
+
+	if (read_heap_array(ptr, &elts, &len, UM_SLEEP | UM_GC) != 0) {
+		(void) bsnprintf(bufp, lenp, "<array (failed to read array)>");
+		return (-1);
+	}
+
+	if (len == 0) {
+		(void) bsnprintf(bufp, lenp, "[]");
+		return (0);
+	}
+
+	descend = *jsop;
+	descend.jsop_depth--;
+	descend.jsop_indent += 4;
+
+	if (len == 1) {
+		(void) bsnprintf(bufp, lenp, "[ ");
+		(void) jsobj_print(elts[0], &descend);
+		(void) bsnprintf(bufp, lenp, " ]");
+		return (0);
+	}
+
+	(void) bsnprintf(bufp, lenp, "[\n");
+
+	for (ii = 0; ii < len && *lenp > 0; ii++) {
+		(void) bsnprintf(bufp, lenp, "%*s", indent + 4, "");
+		(void) jsobj_print(elts[ii], &descend);
+		(void) bsnprintf(bufp, lenp, ",\n");
+	}
+
+	(void) bsnprintf(bufp, lenp, "%*s", indent, "");
+	(void) bsnprintf(bufp, lenp, "]");
+
+	return (0);
+}
+
+static int
+jsobj_print_jsfunction(uintptr_t addr, jsobj_print_t *jsop)
+{
+	char **bufp = jsop->jsop_bufp;
+	size_t *lenp = jsop->jsop_lenp;
+	uintptr_t shared;
+
+	if (read_heap_ptr(&shared, addr, V8_OFF_JSFUNCTION_SHARED) != 0)
+		return (-1);
+
+	(void) bsnprintf(bufp, lenp, "function ");
+	return (jsfunc_name(shared, bufp, lenp) != 0);
+}
+
+static int
+jsobj_print_jsdate(uintptr_t addr, jsobj_print_t *jsop)
+{
+	char **bufp = jsop->jsop_bufp;
+	size_t *lenp = jsop->jsop_lenp;
+	char buf[128];
+	uintptr_t value;
+	uint8_t type;
+	double numval;
+
+	if (V8_OFF_JSDATE_VALUE == -1) {
+		(void) bsnprintf(bufp, lenp, "<JSDate>", buf);
+		return (0);
+	}
+
+	if (read_heap_ptr(&value, addr, V8_OFF_JSDATE_VALUE) != 0) {
+		(void) bsnprintf(bufp, lenp, "<JSDate (failed to read value)>");
+		return (-1);
+	}
+
+	if (read_typebyte(&type, value) != 0) {
+		(void) bsnprintf(bufp, lenp, "<JSDate (failed to read type)>");
+		return (-1);
+	}
+
+	if (strcmp(enum_lookup_str(v8_types, type, ""), "HeapNumber") != 0)
+		return (-1);
+
+	if (read_heap_double(&numval, value, V8_OFF_HEAPNUMBER_VALUE) == -1) {
+		(void) bsnprintf(bufp, lenp, "<JSDate (failed to read num)>");
+		return (-1);
+	}
+
+	mdb_snprintf(buf, sizeof (buf), "%Y",
+	    (time_t)((long long)numval / MILLISEC));
+	(void) bsnprintf(bufp, lenp, "%lld (%s)", (long long)numval, buf);
+
+	return (0);
+}
+
+/*
+ * dcmd implementations
+ */
+
+/* ARGSUSED */
+static int
+dcmd_v8classes(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	v8_class_t *clp;
+
+	for (clp = v8_classes; clp != NULL; clp = clp->v8c_next)
+		mdb_printf("%s\n", clp->v8c_name);
+
+	return (DCMD_OK);
+}
+
+static int
+do_v8code(uintptr_t addr, boolean_t opt_d)
+{
+	uintptr_t instrlen;
+	ssize_t instroff = V8_OFF_CODE_INSTRUCTION_START;
+
+	if (read_heap_ptr(&instrlen, addr, V8_OFF_CODE_INSTRUCTION_SIZE) != 0)
+		return (DCMD_ERR);
+
+	mdb_printf("code: %p\n", addr);
+	mdb_printf("instructions: [%p, %p)\n", addr + instroff,
+	    addr + instroff + instrlen);
+
+	if (!opt_d)
+		return (DCMD_OK);
+
+	mdb_set_dot(addr + instroff);
+
+	do {
+		(void) mdb_inc_indent(8); /* gets reset by mdb_eval() */
+
+		/*
+		 * This is absolutely awful. We want to disassemble the above
+		 * range of instructions.  Because we don't know how many there
+		 * are, we can't use "::dis".  We resort to evaluating "./i",
+		 * but then we need to advance "." by the size of the
+		 * instruction just printed.  The only way to do that is by
+		 * printing out "+", but we don't want that to show up, so we
+		 * redirect it to /dev/null.
+		 */
+		if (mdb_eval("/i") != 0 ||
+		    mdb_eval("+=p ! cat > /dev/null") != 0) {
+			(void) mdb_dec_indent(8);
+			v8_warn("failed to disassemble at %p", mdb_get_dot());
+			return (DCMD_ERR);
+		}
+	} while (mdb_get_dot() < addr + instroff + instrlen);
+
+	(void) mdb_dec_indent(8);
+	return (DCMD_OK);
+}
+
+/* ARGSUSED */
+static int
+dcmd_v8code(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	boolean_t opt_d = B_FALSE;
+
+	if (mdb_getopts(argc, argv, 'd', MDB_OPT_SETBITS, B_TRUE, &opt_d,
+	    NULL) != argc)
+		return (DCMD_USAGE);
+
+	return (do_v8code(addr, opt_d));
+}
+
+/* ARGSUSED */
+static int
+dcmd_v8function(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	uint8_t type;
+	uintptr_t funcinfop, scriptp, lendsp, tokpos, namep, codep;
+	char *bufp;
+	size_t len;
+	boolean_t opt_d = B_FALSE;
+	char buf[512];
+
+	if (mdb_getopts(argc, argv, 'd', MDB_OPT_SETBITS, B_TRUE, &opt_d,
+	    NULL) != argc)
+		return (DCMD_USAGE);
+
+	v8_warnings++;
+
+	if (read_typebyte(&type, addr) != 0)
+		goto err;
+
+	if (strcmp(enum_lookup_str(v8_types, type, ""), "JSFunction") != 0) {
+		v8_warn("%p is not an instance of JSFunction\n", addr);
+		goto err;
+	}
+
+	if (read_heap_ptr(&funcinfop, addr, V8_OFF_JSFUNCTION_SHARED) != 0 ||
+	    read_heap_maybesmi(&tokpos, funcinfop,
+	    V8_OFF_SHAREDFUNCTIONINFO_FUNCTION_TOKEN_POSITION) != 0 ||
+	    read_heap_ptr(&scriptp, funcinfop,
+	    V8_OFF_SHAREDFUNCTIONINFO_SCRIPT) != 0 ||
+	    read_heap_ptr(&namep, scriptp, V8_OFF_SCRIPT_NAME) != 0 ||
+	    read_heap_ptr(&lendsp, scriptp, V8_OFF_SCRIPT_LINE_ENDS) != 0)
+		goto err;
+
+	/*
+	 * The token position is normally a SMI, so read_heap_maybesmi() will
+	 * interpret the value for us.  However, this code uses its SMI-encoded
+	 * value, so convert it back here.
+	 */
+	tokpos = V8_VALUE_SMI(tokpos);
+
+	bufp = buf;
+	len = sizeof (buf);
+	if (jsfunc_name(funcinfop, &bufp, &len) != 0)
+		goto err;
+
+	mdb_printf("%p: JSFunction: %s\n", addr, buf);
+
+	bufp = buf;
+	len = sizeof (buf);
+	mdb_printf("defined at ");
+
+	if (jsstr_print(namep, JSSTR_NUDE, &bufp, &len) == 0)
+		mdb_printf("%s ", buf);
+
+	if (jsfunc_lineno(lendsp, tokpos, buf, sizeof (buf), NULL) == 0)
+		mdb_printf("%s", buf);
+
+	mdb_printf("\n");
+
+	if (read_heap_ptr(&codep,
+	    funcinfop, V8_OFF_SHAREDFUNCTIONINFO_CODE) != 0)
+		goto err;
+
+	v8_warnings--;
+
+	return (do_v8code(codep, opt_d));
+
+err:
+	v8_warnings--;
+	return (DCMD_ERR);
+}
+
+/*
+ * Access an internal field of a V8 object.
+ */
+/* ARGSUSED */
+static int
+dcmd_v8internal(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	uintptr_t idx;
+	uintptr_t fieldaddr;
+
+	if (mdb_getopts(argc, argv, NULL) != argc - 1 ||
+	    argv[argc - 1].a_type != MDB_TYPE_STRING)
+		return (DCMD_USAGE);
+
+	idx = mdb_strtoull(argv[argc - 1].a_un.a_str);
+	if (obj_v8internal(addr, idx, &fieldaddr) != 0)
+		return (DCMD_ERR);
+
+	mdb_printf("%p\n", fieldaddr);
+	return (DCMD_OK);
+}
+
+/* ARGSUSED */
+static int
+dcmd_v8frametypes(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	enum_print(v8_frametypes);
+	return (DCMD_OK);
+}
+
+static void
+dcmd_v8print_help(void)
+{
+	mdb_printf(
+	    "Prints out \".\" (a V8 heap object) as an instance of its C++\n"
+	    "class.  With no arguments, the appropriate class is detected\n"
+	    "automatically.  The 'class' argument overrides this to print an\n"
+	    "object as an instance of the given class.  The list of known\n"
+	    "classes can be viewed with ::jsclasses.");
+}
+
+/* ARGSUSED */
+static int
+dcmd_v8print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	const char *rqclass;
+	v8_class_t *clp;
+	char *bufp;
+	size_t len;
+	uint8_t type;
+	char buf[256];
+
+	if (argc < 1) {
+		/*
+		 * If no type was specified, determine it automatically.
+		 */
+		bufp = buf;
+		len = sizeof (buf);
+		if (obj_jstype(addr, &bufp, &len, &type) != 0)
+			return (DCMD_ERR);
+
+		if (type == 0) {
+			/* For SMI or Failure, just print out the type. */
+			mdb_printf("%s\n", buf);
+			return (DCMD_OK);
+		}
+
+		if ((rqclass = enum_lookup_str(v8_types, type, NULL)) == NULL) {
+			v8_warn("object has unknown type\n");
+			return (DCMD_ERR);
+		}
+	} else {
+		if (argv[0].a_type != MDB_TYPE_STRING)
+			return (DCMD_USAGE);
+
+		rqclass = argv[0].a_un.a_str;
+	}
+
+	for (clp = v8_classes; clp != NULL; clp = clp->v8c_next) {
+		if (strcmp(rqclass, clp->v8c_name) == 0)
+			break;
+	}
+
+	if (clp == NULL) {
+		v8_warn("unknown class '%s'\n", rqclass);
+		return (DCMD_USAGE);
+	}
+
+	return (obj_print_class(addr, clp));
+}
+
+/* ARGSUSED */
+static int
+dcmd_v8type(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	char buf[64];
+	char *bufp = buf;
+	size_t len = sizeof (buf);
+
+	if (obj_jstype(addr, &bufp, &len, NULL) != 0)
+		return (DCMD_ERR);
+
+	mdb_printf("0x%p: %s\n", addr, buf);
+	return (DCMD_OK);
+}
+
+/* ARGSUSED */
+static int
+dcmd_v8types(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	enum_print(v8_types);
+	return (DCMD_OK);
+}
+
+static int
+load_current_context(uintptr_t *fpp, uintptr_t *raddrp)
+{
+	mdb_reg_t regfp, regip;
+
+#ifdef __amd64
+	if (mdb_getareg(1, "rbp", &regfp) != 0 ||
+	    mdb_getareg(1, "rip", &regip) != 0) {
+#else
+#ifdef __i386
+	if (mdb_getareg(1, "ebp", &regfp) != 0 ||
+	    mdb_getareg(1, "eip", &regip) != 0) {
+#else
+#error Unrecognized microprocessor
+#endif
+#endif
+		v8_warn("failed to load current context");
+		return (-1);
+	}
+
+	if (fpp != NULL)
+		*fpp = (uintptr_t)regfp;
+
+	if (raddrp != NULL)
+		*raddrp = (uintptr_t)regip;
+
+	return (0);
+}
+
+typedef struct jsframe {
+	boolean_t	jsf_showall;	/* show hidden frames and pointers */
+	boolean_t	jsf_verbose;	/* show arguments and JS code */
+	char		*jsf_func;	/* filter frames for named function */
+	char		*jsf_prop;	/* filter arguments */
+	uintptr_t	jsf_nlines;	/* lines of context (for verbose) */
+	uint_t		jsf_nskipped;	/* skipped frames */
+} jsframe_t;
+
+static void
+jsframe_skip(jsframe_t *jsf)
+{
+	jsf->jsf_nskipped++;
+}
+
+static void
+jsframe_print_skipped(jsframe_t *jsf)
+{
+	if (jsf->jsf_nskipped == 1)
+		mdb_printf("        (1 internal frame elided)\n");
+	else if (jsf->jsf_nskipped > 1)
+		mdb_printf("        (%d internal frames elided)\n",
+		    jsf->jsf_nskipped);
+	jsf->jsf_nskipped = 0;
+}
+
+static int
+do_jsframe_special(uintptr_t fptr, uintptr_t raddr, jsframe_t *jsf)
+{
+	uint_t count;
+	uintptr_t ftype;
+	const char *ftypename;
+	char *prop = jsf->jsf_prop;
+
+	/*
+	 * First see if this looks like a native frame rather than a JavaScript
+	 * frame.  We check this by asking MDB to print the return address
+	 * symbolically.  If that works, we assume this was NOT a V8 frame,
+	 * since those are never in the symbol table.
+	 */
+	count = mdb_snprintf(NULL, 0, "%A", raddr);
+	if (count > 1) {
+		if (prop != NULL)
+			return (0);
+
+		jsframe_print_skipped(jsf);
+		if (jsf->jsf_showall) {
+			mdb_printf("%p %a\n", fptr, raddr);
+		} else if (count <= 65) {
+			mdb_printf("native: %a\n", raddr);
+		} else {
+			char buf[65];
+			mdb_snprintf(buf, sizeof (buf), "%a", raddr);
+			mdb_printf("native: %s...\n", buf);
+		}
+		return (0);
+	}
+
+	/*
+	 * Figure out what kind of frame this is using the same algorithm as
+	 * V8's ComputeType function.  First, look for an ArgumentsAdaptorFrame.
+	 */
+	if (mdb_vread(&ftype, sizeof (ftype), fptr + V8_OFF_FP_CONTEXT) != -1 &&
+	    V8_IS_SMI(ftype) &&
+	    (ftypename = enum_lookup_str(v8_frametypes, V8_SMI_VALUE(ftype),
+	    NULL)) != NULL && strstr(ftypename, "ArgumentsAdaptor") != NULL) {
+		if (prop != NULL)
+			return (0);
+
+		if (jsf->jsf_showall) {
+			jsframe_print_skipped(jsf);
+			mdb_printf("%p %a <%s>\n", fptr, raddr, ftypename);
+		} else {
+			jsframe_skip(jsf);
+		}
+		return (0);
+	}
+
+	/*
+	 * Other special frame types are indicated by a marker.
+	 */
+	if (mdb_vread(&ftype, sizeof (ftype), fptr + V8_OFF_FP_MARKER) != -1 &&
+	    V8_IS_SMI(ftype)) {
+		if (prop != NULL)
+			return (0);
+
+		ftypename = enum_lookup_str(v8_frametypes, V8_SMI_VALUE(ftype),
+		    NULL);
+
+		if (jsf->jsf_showall && ftypename != NULL) {
+			jsframe_print_skipped(jsf);
+			mdb_printf("%p %a <%s>\n", fptr, raddr, ftypename);
+		} else {
+			jsframe_skip(jsf);
+		}
+
+		return (0);
+	}
+
+	return (-1);
+}
+
+static int
+do_jsframe(uintptr_t fptr, uintptr_t raddr, jsframe_t *jsf)
+{
+	boolean_t showall = jsf->jsf_showall;
+	boolean_t verbose = jsf->jsf_verbose;
+	const char *func = jsf->jsf_func;
+	const char *prop = jsf->jsf_prop;
+	uintptr_t nlines = jsf->jsf_nlines;
+
+	uintptr_t funcp, funcinfop, tokpos, endpos, scriptp, lendsp, ptrp;
+	uintptr_t ii, nargs;
+	const char *typename;
+	char *bufp;
+	size_t len;
+	uint8_t type;
+	char buf[256];
+	int lineno;
+
+	/*
+	 * Check for non-JavaScript frames first.
+	 */
+	if (func == NULL && do_jsframe_special(fptr, raddr, jsf) == 0)
+		return (DCMD_OK);
+
+	/*
+	 * At this point we assume we're looking at a JavaScript frame.  As with
+	 * native frames, fish the address out of the parent frame.
+	 */
+	if (mdb_vread(&funcp, sizeof (funcp),
+	    fptr + V8_OFF_FP_FUNCTION) == -1) {
+		v8_warn("failed to read stack at %p",
+		    fptr + V8_OFF_FP_FUNCTION);
+		return (DCMD_ERR);
+	}
+
+	/*
+	 * Check if this thing is really a JSFunction at all. For some frames,
+	 * it's a Code object, presumably indicating some internal frame.
+	 */
+	if (read_typebyte(&type, funcp) != 0 ||
+	    (typename = enum_lookup_str(v8_types, type, NULL)) == NULL) {
+		if (func != NULL || prop != NULL)
+			return (DCMD_OK);
+
+		if (showall) {
+			jsframe_print_skipped(jsf);
+			mdb_printf("%p %a\n", fptr, raddr);
+		} else {
+			jsframe_skip(jsf);
+		}
+		return (DCMD_OK);
+	}
+
+	if (strcmp("Code", typename) == 0) {
+		if (func != NULL || prop != NULL)
+			return (DCMD_OK);
+
+		if (showall) {
+			jsframe_print_skipped(jsf);
+			mdb_printf("%p %a internal (Code: %p)\n",
+			    fptr, raddr, funcp);
+		} else {
+			jsframe_skip(jsf);
+		}
+		return (DCMD_OK);
+	}
+
+	if (strcmp("JSFunction", typename) != 0) {
+		if (func != NULL || prop != NULL)
+			return (DCMD_OK);
+
+		if (showall) {
+			jsframe_print_skipped(jsf);
+			mdb_printf("%p %a unknown (%s: %p)",
+			    fptr, raddr, typename, funcp);
+		} else {
+			jsframe_skip(jsf);
+		}
+		return (DCMD_OK);
+	}
+
+	if (read_heap_ptr(&funcinfop, funcp, V8_OFF_JSFUNCTION_SHARED) != 0)
+		return (DCMD_ERR);
+
+	bufp = buf;
+	len = sizeof (buf);
+	if (jsfunc_name(funcinfop, &bufp, &len) != 0)
+		return (DCMD_ERR);
+
+	if (func != NULL && strcmp(buf, func) != 0)
+		return (DCMD_OK);
+
+	if (prop == NULL) {
+		jsframe_print_skipped(jsf);
+		if (showall)
+			mdb_printf("%p %a ", fptr, raddr);
+		else
+			mdb_printf("js:     ");
+		mdb_printf("%s", buf);
+		if (showall)
+			mdb_printf(" (JSFunction: %p)\n", funcp);
+		else
+			mdb_printf("\n");
+	}
+
+	if (!verbose && prop == NULL)
+		return (DCMD_OK);
+
+	if (verbose)
+		jsframe_print_skipped(jsf);
+
+	/*
+	 * Although the token position is technically an SMI, we're going to
+	 * byte-compare it to other SMI values so we don't want decode it here.
+	 */
+	if (read_heap_maybesmi(&tokpos, funcinfop,
+	    V8_OFF_SHAREDFUNCTIONINFO_FUNCTION_TOKEN_POSITION) != 0)
+		return (DCMD_ERR);
+	tokpos = V8_VALUE_SMI(tokpos);
+
+	if (read_heap_ptr(&scriptp, funcinfop,
+	    V8_OFF_SHAREDFUNCTIONINFO_SCRIPT) != 0)
+		return (DCMD_ERR);
+
+	if (read_heap_ptr(&ptrp, scriptp, V8_OFF_SCRIPT_NAME) != 0)
+		return (DCMD_ERR);
+
+	bufp = buf;
+	len = sizeof (buf);
+	(void) jsstr_print(ptrp, JSSTR_NUDE, &bufp, &len);
+
+	if (prop != NULL && strcmp(prop, "file") == 0) {
+		mdb_printf("%s\n", buf);
+		return (DCMD_OK);
+	}
+
+	if (prop == NULL) {
+		(void) mdb_inc_indent(10);
+		mdb_printf("file: %s\n", buf);
+	}
+
+	if (read_heap_ptr(&lendsp, scriptp, V8_OFF_SCRIPT_LINE_ENDS) != 0)
+		return (DCMD_ERR);
+
+	(void) jsfunc_lineno(lendsp, tokpos, buf, sizeof (buf), &lineno);
+
+	if (prop != NULL && strcmp(prop, "posn") == 0) {
+		mdb_printf("%s\n", buf);
+		return (DCMD_OK);
+	}
+
+	if (prop == NULL)
+		mdb_printf("posn: %s\n", buf);
+
+	if (read_heap_maybesmi(&nargs, funcinfop,
+	    V8_OFF_SHAREDFUNCTIONINFO_LENGTH) == 0) {
+		uintptr_t argptr;
+		char arg[10];
+
+		if (mdb_vread(&argptr, sizeof (argptr),
+		    fptr + V8_OFF_FP_ARGS + nargs * sizeof (uintptr_t)) != -1 &&
+		    argptr != NULL) {
+			(void) snprintf(arg, sizeof (arg), "this");
+			if (prop != NULL && strcmp(arg, prop) == 0) {
+				mdb_printf("%p\n", argptr);
+				return (DCMD_OK);
+			}
+
+			if (prop == NULL) {
+				bufp = buf;
+				len = sizeof (buf);
+				(void) obj_jstype(argptr, &bufp, &len, NULL);
+
+				mdb_printf("this: %p (%s)\n", argptr, buf);
+			}
+		}
+
+		for (ii = 0; ii < nargs; ii++) {
+			if (mdb_vread(&argptr, sizeof (argptr),
+			    fptr + V8_OFF_FP_ARGS + (nargs - ii - 1) *
+			    sizeof (uintptr_t)) == -1)
+				continue;
+
+			(void) snprintf(arg, sizeof (arg), "arg%" PRIuPTR,
+			    ii + 1);
+
+			if (prop != NULL) {
+				if (strcmp(arg, prop) != 0)
+					continue;
+
+				mdb_printf("%p\n", argptr);
+				return (DCMD_OK);
+			}
+
+			bufp = buf;
+			len = sizeof (buf);
+			(void) obj_jstype(argptr, &bufp, &len, NULL);
+
+			mdb_printf("arg%d: %p (%s)\n", (ii + 1), argptr, buf);
+		}
+	}
+
+
+	if (prop != NULL) {
+		mdb_warn("unknown frame property '%s'\n", prop);
+		return (DCMD_ERR);
+	}
+
+	if (nlines != 0 && read_heap_maybesmi(&endpos, funcinfop,
+	    V8_OFF_SHAREDFUNCTIONINFO_END_POSITION) == 0) {
+		jsfunc_lines(scriptp,
+		    V8_SMI_VALUE(tokpos), endpos, nlines, "%5d ");
+		mdb_printf("\n");
+	}
+
+	(void) mdb_dec_indent(10);
+
+	return (DCMD_OK);
+}
+
+typedef struct findjsobjects_prop {
+	struct findjsobjects_prop *fjsp_next;
+	char fjsp_desc[1];
+} findjsobjects_prop_t;
+
+typedef struct findjsobjects_instance {
+	uintptr_t fjsi_addr;
+	struct findjsobjects_instance *fjsi_next;
+} findjsobjects_instance_t;
+
+typedef struct findjsobjects_obj {
+	findjsobjects_prop_t *fjso_props;
+	findjsobjects_prop_t *fjso_last;
+	jspropinfo_t fjso_propinfo;
+	size_t fjso_nprops;
+	findjsobjects_instance_t fjso_instances;
+	int fjso_ninstances;
+	avl_node_t fjso_node;
+	struct findjsobjects_obj *fjso_next;
+	boolean_t fjso_malformed;
+	char fjso_constructor[80];
+} findjsobjects_obj_t;
+
+typedef struct findjsobjects_func {
+	findjsobjects_instance_t fjsf_instances;
+	int fjsf_ninstances;
+	avl_node_t fjsf_node;
+	struct findjsobjects_func *fjsf_next;
+	uintptr_t fjsf_shared;
+	char fjsf_funcname[40];
+	char fjsf_scriptname[80];
+	char fjsf_location[20];
+} findjsobjects_func_t;
+
+typedef struct findjsobjects_stats {
+	int fjss_heapobjs;
+	int fjss_cached;
+	int fjss_typereads;
+	int fjss_jsobjs;
+	int fjss_objects;
+	int fjss_arrays;
+	int fjss_uniques;
+	int fjss_funcs;
+	int fjss_funcs_skipped;
+	int fjss_funcs_unique;
+} findjsobjects_stats_t;
+
+typedef struct findjsobjects_reference {
+	uintptr_t fjsrf_addr;
+	char *fjsrf_desc;
+	size_t fjsrf_index;
+	struct findjsobjects_reference *fjsrf_next;
+} findjsobjects_reference_t;
+
+typedef struct findjsobjects_referent {
+	avl_node_t fjsr_node;
+	uintptr_t fjsr_addr;
+	findjsobjects_reference_t *fjsr_head;
+	findjsobjects_reference_t *fjsr_tail;
+	struct findjsobjects_referent *fjsr_next;
+} findjsobjects_referent_t;
+
+typedef struct findjsobjects_state {
+	uintptr_t fjs_addr;
+	uintptr_t fjs_size;
+	boolean_t fjs_verbose;
+	boolean_t fjs_brk;
+	boolean_t fjs_allobjs;
+	boolean_t fjs_initialized;
+	boolean_t fjs_marking;
+	boolean_t fjs_referred;
+	avl_tree_t fjs_tree;
+	avl_tree_t fjs_referents;
+	avl_tree_t fjs_funcinfo;
+	findjsobjects_referent_t *fjs_head;
+	findjsobjects_referent_t *fjs_tail;
+	findjsobjects_obj_t *fjs_current;
+	findjsobjects_obj_t *fjs_objects;
+	findjsobjects_func_t *fjs_funcs;
+	findjsobjects_stats_t fjs_stats;
+} findjsobjects_state_t;
+
+findjsobjects_obj_t *
+findjsobjects_alloc(uintptr_t addr)
+{
+	findjsobjects_obj_t *obj;
+
+	obj = mdb_zalloc(sizeof (findjsobjects_obj_t), UM_SLEEP);
+	obj->fjso_instances.fjsi_addr = addr;
+	obj->fjso_ninstances = 1;
+
+	return (obj);
+}
+
+void
+findjsobjects_free(findjsobjects_obj_t *obj)
+{
+	findjsobjects_prop_t *prop, *next;
+
+	for (prop = obj->fjso_props; prop != NULL; prop = next) {
+		next = prop->fjsp_next;
+		mdb_free(prop, sizeof (findjsobjects_prop_t) +
+		    strlen(prop->fjsp_desc));
+	}
+
+	mdb_free(obj, sizeof (findjsobjects_obj_t));
+}
+
+int
+findjsobjects_cmp(findjsobjects_obj_t *lhs, findjsobjects_obj_t *rhs)
+{
+	findjsobjects_prop_t *lprop, *rprop;
+	int rv;
+
+	lprop = lhs->fjso_props;
+	rprop = rhs->fjso_props;
+
+	while (lprop != NULL && rprop != NULL) {
+		if ((rv = strcmp(lprop->fjsp_desc, rprop->fjsp_desc)) != 0)
+			return (rv > 0 ? 1 : -1);
+
+		lprop = lprop->fjsp_next;
+		rprop = rprop->fjsp_next;
+	}
+
+	if (lprop != NULL)
+		return (1);
+
+	if (rprop != NULL)
+		return (-1);
+
+	if (lhs->fjso_nprops > rhs->fjso_nprops)
+		return (1);
+
+	if (lhs->fjso_nprops < rhs->fjso_nprops)
+		return (-1);
+
+	rv = strcmp(lhs->fjso_constructor, rhs->fjso_constructor);
+
+	return (rv < 0 ? -1 : rv > 0 ? 1 : 0);
+}
+
+int
+findjsobjects_cmp_funcinfo(findjsobjects_func_t *lhs,
+    findjsobjects_func_t *rhs)
+{
+	int diff = lhs->fjsf_shared - rhs->fjsf_shared;
+	return (diff < 0 ? -1 : diff > 0 ? 1 : 0);
+}
+
+int
+findjsobjects_cmp_referents(findjsobjects_referent_t *lhs,
+    findjsobjects_referent_t *rhs)
+{
+	if (lhs->fjsr_addr < rhs->fjsr_addr)
+		return (-1);
+
+	if (lhs->fjsr_addr > rhs->fjsr_addr)
+		return (1);
+
+	return (0);
+}
+
+int
+findjsobjects_cmp_ninstances(const void *l, const void *r)
+{
+	findjsobjects_obj_t *lhs = *((findjsobjects_obj_t **)l);
+	findjsobjects_obj_t *rhs = *((findjsobjects_obj_t **)r);
+	size_t lprod = lhs->fjso_ninstances * lhs->fjso_nprops;
+	size_t rprod = rhs->fjso_ninstances * rhs->fjso_nprops;
+
+	if (lprod < rprod)
+		return (-1);
+
+	if (lprod > rprod)
+		return (1);
+
+	if (lhs->fjso_ninstances < rhs->fjso_ninstances)
+		return (-1);
+
+	if (lhs->fjso_ninstances > rhs->fjso_ninstances)
+		return (1);
+
+	if (lhs->fjso_nprops < rhs->fjso_nprops)
+		return (-1);
+
+	if (lhs->fjso_nprops > rhs->fjso_nprops)
+		return (1);
+
+	return (0);
+}
+
+/*ARGSUSED*/
+int
+findjsobjects_prop(const char *desc, uintptr_t val, void *arg)
+{
+	findjsobjects_state_t *fjs = arg;
+	findjsobjects_obj_t *current = fjs->fjs_current;
+	findjsobjects_prop_t *prop;
+
+	if (desc == NULL)
+		desc = "<unknown>";
+
+	prop = mdb_zalloc(sizeof (findjsobjects_prop_t) +
+	    strlen(desc), UM_SLEEP);
+
+	strcpy(prop->fjsp_desc, desc);
+
+	if (current->fjso_last != NULL) {
+		current->fjso_last->fjsp_next = prop;
+	} else {
+		current->fjso_props = prop;
+	}
+
+	current->fjso_last = prop;
+	current->fjso_nprops++;
+	current->fjso_malformed =
+	    val == NULL && current->fjso_nprops == 1 && desc[0] == '<';
+
+	return (0);
+}
+
+static void
+findjsobjects_constructor(findjsobjects_obj_t *obj)
+{
+	char *bufp = obj->fjso_constructor;
+	size_t len = sizeof (obj->fjso_constructor);
+	uintptr_t map, funcinfop;
+	uintptr_t addr = obj->fjso_instances.fjsi_addr;
+	uint8_t type;
+
+	v8_silent++;
+
+	if (read_heap_ptr(&map, addr, V8_OFF_HEAPOBJECT_MAP) != 0 ||
+	    read_heap_ptr(&addr, map, V8_OFF_MAP_CONSTRUCTOR) != 0)
+		goto out;
+
+	if (read_typebyte(&type, addr) != 0)
+		goto out;
+
+	if (strcmp(enum_lookup_str(v8_types, type, ""), "JSFunction") != 0)
+		goto out;
+
+	if (read_heap_ptr(&funcinfop, addr, V8_OFF_JSFUNCTION_SHARED) != 0)
+		goto out;
+
+	if (jsfunc_name(funcinfop, &bufp, &len) != 0)
+		goto out;
+out:
+	v8_silent--;
+}
+
+static void
+findjsobjects_jsfunc(findjsobjects_state_t *fjs, uintptr_t addr)
+{
+	findjsobjects_func_t *func, *ofunc;
+	findjsobjects_instance_t *inst;
+	uintptr_t funcinfo, script, name;
+	avl_index_t where;
+	int err;
+	char *bufp;
+	size_t len;
+
+	/*
+	 * This may be somewhat expensive to do for all JSFunctions, but in most
+	 * core files, there aren't that many.  We could defer some of this work
+	 * until the user tries to print the function ::jsfunctions, but this
+	 * step is useful to do early to filter out garbage data.
+	 */
+
+	v8_silent++;
+	if (read_heap_ptr(&funcinfo, addr, V8_OFF_JSFUNCTION_SHARED) != 0 ||
+	    read_heap_ptr(&script, funcinfo,
+	    V8_OFF_SHAREDFUNCTIONINFO_SCRIPT) != 0 ||
+	    read_heap_ptr(&name, script, V8_OFF_SCRIPT_NAME) != 0) {
+		fjs->fjs_stats.fjss_funcs_skipped++;
+		v8_silent--;
+		return;
+	}
+
+	func = mdb_zalloc(sizeof (findjsobjects_func_t), UM_SLEEP);
+	func->fjsf_ninstances = 1;
+	func->fjsf_instances.fjsi_addr = addr;
+	func->fjsf_shared = funcinfo;
+
+	bufp = func->fjsf_funcname;
+	len = sizeof (func->fjsf_funcname);
+	err = jsfunc_name(funcinfo, &bufp, &len);
+
+	bufp = func->fjsf_scriptname;
+	len = sizeof (func->fjsf_scriptname);
+	err |= jsstr_print(name, JSSTR_NUDE, &bufp, &len);
+
+	v8_silent--;
+	if (err != 0) {
+		fjs->fjs_stats.fjss_funcs_skipped++;
+		mdb_free(func, sizeof (findjsobjects_func_t));
+		return;
+	}
+
+	fjs->fjs_stats.fjss_funcs++;
+	ofunc = avl_find(&fjs->fjs_funcinfo, func, &where);
+	if (ofunc == NULL) {
+		avl_add(&fjs->fjs_funcinfo, func);
+		func->fjsf_next = fjs->fjs_funcs;
+		fjs->fjs_funcs = func;
+		fjs->fjs_stats.fjss_funcs_unique++;
+	} else {
+		inst = mdb_alloc(sizeof (findjsobjects_instance_t), UM_SLEEP);
+		inst->fjsi_addr = addr;
+		inst->fjsi_next = ofunc->fjsf_instances.fjsi_next;
+		ofunc->fjsf_instances.fjsi_next = inst;
+		ofunc->fjsf_ninstances++;
+		mdb_free(func, sizeof (findjsobjects_func_t));
+	}
+}
+
+int
+findjsobjects_range(findjsobjects_state_t *fjs, uintptr_t addr, uintptr_t size)
+{
+	uintptr_t limit;
+	findjsobjects_stats_t *stats = &fjs->fjs_stats;
+	uint8_t type;
+	int jsobject = V8_TYPE_JSOBJECT, jsarray = V8_TYPE_JSARRAY;
+	int jsfunction = V8_TYPE_JSFUNCTION;
+	caddr_t range = mdb_alloc(size, UM_SLEEP);
+	uintptr_t base = addr, mapaddr;
+
+	if (mdb_vread(range, size, addr) == -1)
+		return (0);
+
+	for (limit = addr + size; addr < limit; addr++) {
+		findjsobjects_instance_t *inst;
+		findjsobjects_obj_t *obj;
+		avl_index_t where;
+
+		if (V8_IS_SMI(addr))
+			continue;
+
+		if (!V8_IS_HEAPOBJECT(addr))
+			continue;
+
+		stats->fjss_heapobjs++;
+
+		mapaddr = *((uintptr_t *)((uintptr_t)range +
+		    (addr - base) + V8_OFF_HEAPOBJECT_MAP));
+
+		if (!V8_IS_HEAPOBJECT(mapaddr))
+			continue;
+
+		mapaddr += V8_OFF_MAP_INSTANCE_ATTRIBUTES;
+		stats->fjss_typereads++;
+
+		if (mapaddr >= base && mapaddr < base + size) {
+			stats->fjss_cached++;
+
+			type = *((uint8_t *)((uintptr_t)range +
+			    (mapaddr - base)));
+		} else {
+			if (mdb_vread(&type, sizeof (uint8_t), mapaddr) == -1)
+				continue;
+		}
+
+		if (type == jsfunction) {
+			findjsobjects_jsfunc(fjs, addr);
+			continue;
+		}
+
+		if (type != jsobject && type != jsarray)
+			continue;
+
+		stats->fjss_jsobjs++;
+
+		fjs->fjs_current = findjsobjects_alloc(addr);
+
+		if (type == jsobject) {
+			if (jsobj_properties(addr,
+			    findjsobjects_prop, fjs,
+			    &fjs->fjs_current->fjso_propinfo) != 0) {
+				findjsobjects_free(fjs->fjs_current);
+				fjs->fjs_current = NULL;
+				continue;
+			}
+
+			findjsobjects_constructor(fjs->fjs_current);
+			stats->fjss_objects++;
+		} else {
+			uintptr_t ptr;
+			size_t *nprops = &fjs->fjs_current->fjso_nprops;
+			ssize_t len = V8_OFF_JSARRAY_LENGTH;
+			ssize_t elems = V8_OFF_JSOBJECT_ELEMENTS;
+			ssize_t flen = V8_OFF_FIXEDARRAY_LENGTH;
+			uintptr_t nelems;
+			uint8_t t;
+
+			if (read_heap_smi(nprops, addr, len) != 0 ||
+			    read_heap_ptr(&ptr, addr, elems) != 0 ||
+			    !V8_IS_HEAPOBJECT(ptr) ||
+			    read_typebyte(&t, ptr) != 0 ||
+			    t != V8_TYPE_FIXEDARRAY ||
+			    read_heap_smi(&nelems, ptr, flen) != 0 ||
+			    nelems < *nprops) {
+				findjsobjects_free(fjs->fjs_current);
+				fjs->fjs_current = NULL;
+				continue;
+			}
+
+			strcpy(fjs->fjs_current->fjso_constructor, "Array");
+			stats->fjss_arrays++;
+		}
+
+		/*
+		 * Now determine if we already have an object matching our
+		 * properties.  If we don't, we'll add our new object; if we
+		 * do we'll merely enqueue our instance.
+		 */
+		obj = avl_find(&fjs->fjs_tree, fjs->fjs_current, &where);
+
+		if (obj == NULL) {
+			avl_add(&fjs->fjs_tree, fjs->fjs_current);
+			fjs->fjs_current->fjso_next = fjs->fjs_objects;
+			fjs->fjs_objects = fjs->fjs_current;
+			fjs->fjs_current = NULL;
+			stats->fjss_uniques++;
+			continue;
+		}
+
+		findjsobjects_free(fjs->fjs_current);
+		fjs->fjs_current = NULL;
+
+		inst = mdb_alloc(sizeof (findjsobjects_instance_t), UM_SLEEP);
+		inst->fjsi_addr = addr;
+		inst->fjsi_next = obj->fjso_instances.fjsi_next;
+		obj->fjso_instances.fjsi_next = inst;
+		obj->fjso_ninstances++;
+	}
+
+	mdb_free(range, size);
+
+	return (0);
+}
+
+static int
+findjsobjects_mapping(findjsobjects_state_t *fjs, const prmap_t *pmp,
+    const char *name)
+{
+	if (name != NULL && !(fjs->fjs_brk && (pmp->pr_mflags & MA_BREAK)))
+		return (0);
+
+	if (fjs->fjs_addr != NULL && (fjs->fjs_addr < pmp->pr_vaddr ||
+	    fjs->fjs_addr >= pmp->pr_vaddr + pmp->pr_size))
+		return (0);
+
+	return (findjsobjects_range(fjs, pmp->pr_vaddr, pmp->pr_size));
+}
+
+static void
+findjsobjects_references_add(findjsobjects_state_t *fjs, uintptr_t val,
+    const char *desc, size_t index)
+{
+	findjsobjects_referent_t search, *referent;
+	findjsobjects_reference_t *reference;
+
+	search.fjsr_addr = val;
+
+	if ((referent = avl_find(&fjs->fjs_referents, &search, NULL)) == NULL)
+		return;
+
+	reference = mdb_zalloc(sizeof (*reference), UM_SLEEP | UM_GC);
+	reference->fjsrf_addr = fjs->fjs_addr;
+
+	if (desc != NULL) {
+		reference->fjsrf_desc =
+		    mdb_alloc(strlen(desc) + 1, UM_SLEEP | UM_GC);
+		(void) strcpy(reference->fjsrf_desc, desc);
+	} else {
+		reference->fjsrf_index = index;
+	}
+
+	if (referent->fjsr_head == NULL) {
+		referent->fjsr_head = reference;
+	} else {
+		referent->fjsr_tail->fjsrf_next = reference;
+	}
+
+	referent->fjsr_tail = reference;
+}
+
+static int
+findjsobjects_references_prop(const char *desc, uintptr_t val, void *arg)
+{
+	findjsobjects_references_add(arg, val, desc, -1);
+
+	return (0);
+}
+
+static void
+findjsobjects_references_array(findjsobjects_state_t *fjs,
+    findjsobjects_obj_t *obj)
+{
+	findjsobjects_instance_t *inst = &obj->fjso_instances;
+	uintptr_t *elts;
+	size_t i, len;
+
+	for (; inst != NULL; inst = inst->fjsi_next) {
+		uintptr_t addr = inst->fjsi_addr, ptr;
+
+		if (read_heap_ptr(&ptr, addr, V8_OFF_JSOBJECT_ELEMENTS) != 0 ||
+		    read_heap_array(ptr, &elts, &len, UM_SLEEP) != 0)
+			continue;
+
+		fjs->fjs_addr = addr;
+
+		for (i = 0; i < len; i++)
+			findjsobjects_references_add(fjs, elts[i], NULL, i);
+
+		mdb_free(elts, len * sizeof (uintptr_t));
+	}
+}
+
+static void
+findjsobjects_referent(findjsobjects_state_t *fjs, uintptr_t addr)
+{
+	findjsobjects_referent_t search, *referent;
+
+	search.fjsr_addr = addr;
+
+	if (avl_find(&fjs->fjs_referents, &search, NULL) != NULL) {
+		assert(fjs->fjs_marking);
+		mdb_warn("%p is already marked; ignoring\n", addr);
+		return;
+	}
+
+	referent = mdb_zalloc(sizeof (findjsobjects_referent_t), UM_SLEEP);
+	referent->fjsr_addr = addr;
+
+	avl_add(&fjs->fjs_referents, referent);
+
+	if (fjs->fjs_tail != NULL) {
+		fjs->fjs_tail->fjsr_next = referent;
+	} else {
+		fjs->fjs_head = referent;
+	}
+
+	fjs->fjs_tail = referent;
+
+	if (fjs->fjs_marking)
+		mdb_printf("findjsobjects: marked %p\n", addr);
+}
+
+static void
+findjsobjects_references(findjsobjects_state_t *fjs)
+{
+	findjsobjects_reference_t *reference;
+	findjsobjects_referent_t *referent;
+	avl_tree_t *referents = &fjs->fjs_referents;
+	findjsobjects_obj_t *obj;
+	void *cookie = NULL;
+	uintptr_t addr;
+
+	fjs->fjs_referred = B_FALSE;
+
+	v8_silent++;
+
+	/*
+	 * First traverse over all objects and arrays, looking for references
+	 * to our designated referent(s).
+	 */
+	for (obj = fjs->fjs_objects; obj != NULL; obj = obj->fjso_next) {
+		findjsobjects_instance_t *head = &obj->fjso_instances, *inst;
+
+		if (obj->fjso_nprops != 0 && obj->fjso_props == NULL) {
+			findjsobjects_references_array(fjs, obj);
+			continue;
+		}
+
+		for (inst = head; inst != NULL; inst = inst->fjsi_next) {
+			fjs->fjs_addr = inst->fjsi_addr;
+
+			(void) jsobj_properties(inst->fjsi_addr,
+			    findjsobjects_references_prop, fjs, NULL);
+		}
+	}
+
+	v8_silent--;
+	fjs->fjs_addr = NULL;
+
+	/*
+	 * Now go over our referent(s), reporting any references that we have
+	 * accumulated.
+	 */
+	for (referent = fjs->fjs_head; referent != NULL;
+	    referent = referent->fjsr_next) {
+		addr = referent->fjsr_addr;
+
+		if ((reference = referent->fjsr_head) == NULL) {
+			mdb_printf("%p is not referred to by a "
+			    "known object.\n", addr);
+			continue;
+		}
+
+		for (; reference != NULL; reference = reference->fjsrf_next) {
+			mdb_printf("%p referred to by %p",
+			    addr, reference->fjsrf_addr);
+
+			if (reference->fjsrf_desc == NULL) {
+				mdb_printf("[%d]\n", reference->fjsrf_index);
+			} else {
+				mdb_printf(".%s\n", reference->fjsrf_desc);
+			}
+		}
+	}
+
+	/*
+	 * Finally, destroy our referent nodes.
+	 */
+	while ((referent = avl_destroy_nodes(referents, &cookie)) != NULL)
+		mdb_free(referent, sizeof (findjsobjects_referent_t));
+
+	fjs->fjs_head = NULL;
+	fjs->fjs_tail = NULL;
+}
+
+static findjsobjects_instance_t *
+findjsobjects_instance(findjsobjects_state_t *fjs, uintptr_t addr,
+    findjsobjects_instance_t **headp)
+{
+	findjsobjects_obj_t *obj;
+
+	for (obj = fjs->fjs_objects; obj != NULL; obj = obj->fjso_next) {
+		findjsobjects_instance_t *head = &obj->fjso_instances, *inst;
+
+		for (inst = head; inst != NULL; inst = inst->fjsi_next) {
+			if (inst->fjsi_addr == addr) {
+				*headp = head;
+				return (inst);
+			}
+		}
+	}
+
+	return (NULL);
+}
+
+/*ARGSUSED*/
+static void
+findjsobjects_match_all(findjsobjects_obj_t *obj, const char *ignored)
+{
+	mdb_printf("%p\n", obj->fjso_instances.fjsi_addr);
+}
+
+static void
+findjsobjects_match_propname(findjsobjects_obj_t *obj, const char *propname)
+{
+	findjsobjects_prop_t *prop;
+
+	for (prop = obj->fjso_props; prop != NULL; prop = prop->fjsp_next) {
+		if (strcmp(prop->fjsp_desc, propname) == 0) {
+			mdb_printf("%p\n", obj->fjso_instances.fjsi_addr);
+			return;
+		}
+	}
+}
+
+static void
+findjsobjects_match_constructor(findjsobjects_obj_t *obj,
+    const char *constructor)
+{
+	if (strcmp(constructor, obj->fjso_constructor) == 0)
+		mdb_printf("%p\n", obj->fjso_instances.fjsi_addr);
+}
+
+static void
+findjsobjects_match_kind(findjsobjects_obj_t *obj, const char *propkind)
+{
+	jspropinfo_t p = obj->fjso_propinfo;
+
+	if (((p & JPI_NUMERIC) != 0 && strstr(propkind, "numeric") != NULL) ||
+	    ((p & JPI_DICT) != 0 && strstr(propkind, "dict") != NULL) ||
+	    ((p & JPI_INOBJECT) != 0 && strstr(propkind, "inobject") != NULL) ||
+	    ((p & JPI_PROPS) != 0 && strstr(propkind, "props") != NULL) ||
+	    ((p & JPI_HASTRANSITIONS) != 0 &&
+	    strstr(propkind, "transitions") != NULL) ||
+	    ((p & JPI_HASCONTENT) != 0 &&
+	    strstr(propkind, "content") != NULL) ||
+	    ((p & JPI_SKIPPED) != 0 && strstr(propkind, "skipped") != NULL) ||
+	    ((p & JPI_BADLAYOUT) != 0 &&
+	    strstr(propkind, "badlayout") != NULL)) {
+		mdb_printf("%p\n", obj->fjso_instances.fjsi_addr);
+	}
+}
+
+static int
+findjsobjects_match(findjsobjects_state_t *fjs, uintptr_t addr,
+    uint_t flags, void (*func)(findjsobjects_obj_t *, const char *),
+    const char *match)
+{
+	findjsobjects_obj_t *obj;
+
+	if (!(flags & DCMD_ADDRSPEC)) {
+		for (obj = fjs->fjs_objects; obj != NULL;
+		    obj = obj->fjso_next) {
+			if (obj->fjso_malformed && !fjs->fjs_allobjs)
+				continue;
+
+			func(obj, match);
+		}
+
+		return (DCMD_OK);
+	}
+
+	/*
+	 * First, look for the specified address among the representative
+	 * objects.
+	 */
+	for (obj = fjs->fjs_objects; obj != NULL; obj = obj->fjso_next) {
+		if (obj->fjso_instances.fjsi_addr == addr) {
+			func(obj, match);
+			return (DCMD_OK);
+		}
+	}
+
+	/*
+	 * We didn't find it among the representative objects; iterate over
+	 * all objects.
+	 */
+	for (obj = fjs->fjs_objects; obj != NULL; obj = obj->fjso_next) {
+		findjsobjects_instance_t *head = &obj->fjso_instances, *inst;
+
+		for (inst = head; inst != NULL; inst = inst->fjsi_next) {
+			if (inst->fjsi_addr == addr) {
+				func(obj, match);
+				return (DCMD_OK);
+			}
+		}
+	}
+
+	mdb_warn("%p does not correspond to a known object\n", addr);
+	return (DCMD_ERR);
+}
+
+static void
+findjsobjects_print(findjsobjects_obj_t *obj)
+{
+	int col = 19 + (sizeof (uintptr_t) * 2) + strlen("..."), len;
+	uintptr_t addr = obj->fjso_instances.fjsi_addr;
+	findjsobjects_prop_t *prop;
+
+	mdb_printf("%?p %8d %8d ",
+	    addr, obj->fjso_ninstances, obj->fjso_nprops);
+
+	if (obj->fjso_constructor[0] != '\0') {
+		mdb_printf("%s%s", obj->fjso_constructor,
+		    obj->fjso_props != NULL ? ": " : "");
+		col += strlen(obj->fjso_constructor) + 2;
+	}
+
+	for (prop = obj->fjso_props; prop != NULL; prop = prop->fjsp_next) {
+		if (col + (len = strlen(prop->fjsp_desc) + 2) < 80) {
+			mdb_printf("%s%s", prop->fjsp_desc,
+			    prop->fjsp_next != NULL ? ", " : "");
+			col += len;
+		} else {
+			mdb_printf("...");
+			break;
+		}
+	}
+
+	mdb_printf("\n", col);
+}
+
+static void
+dcmd_findjsobjects_help(void)
+{
+	mdb_printf("%s\n\n",
+"Finds all JavaScript objects in the V8 heap via brute force iteration over\n"
+"all mapped anonymous memory.  (This can take up to several minutes on large\n"
+"dumps.)  The output consists of representative objects, the number of\n"
+"instances of that object and the number of properties on the object --\n"
+"followed by the constructor and first few properties of the objects.  Once\n"
+"run, subsequent calls to ::findjsobjects use cached data.  If provided an\n"
+"address (and in the absence of -r, described below), ::findjsobjects treats\n"
+"the address as that of a representative object, and lists all instances of\n"
+"that object (that is, all objects that have a matching property signature).");
+
+	mdb_dec_indent(2);
+	mdb_printf("%<b>OPTIONS%</b>\n");
+	mdb_inc_indent(2);
+
+	mdb_printf("%s\n",
+"  -b       Include the heap denoted by the brk(2) (normally excluded)\n"
+"  -c cons  Display representative objects with the specified constructor\n"
+"  -p prop  Display representative objects that have the specified property\n"
+"  -l       List all objects that match the representative object\n"
+"  -m       Mark specified object for later reference determination via -r\n"
+"  -r       Find references to the specified and/or marked object(s)\n"
+"  -v       Provide verbose statistics\n");
+}
+
+static findjsobjects_state_t findjsobjects_state;
+
+static int
+findjsobjects_run(findjsobjects_state_t *fjs)
+{
+	struct ps_prochandle *Pr;
+	findjsobjects_obj_t *obj;
+	findjsobjects_stats_t *stats = &fjs->fjs_stats;
+
+	if (!fjs->fjs_initialized) {
+		avl_create(&fjs->fjs_tree,
+		    (int(*)(const void *, const void *))findjsobjects_cmp,
+		    sizeof (findjsobjects_obj_t),
+		    offsetof(findjsobjects_obj_t, fjso_node));
+
+		avl_create(&fjs->fjs_referents,
+		    (int(*)(const void *, const void *))
+		    findjsobjects_cmp_referents,
+		    sizeof (findjsobjects_referent_t),
+		    offsetof(findjsobjects_referent_t, fjsr_node));
+
+		avl_create(&fjs->fjs_funcinfo,
+		    (int(*)(const void *, const void*))
+		    findjsobjects_cmp_funcinfo,
+		    sizeof (findjsobjects_func_t),
+		    offsetof(findjsobjects_func_t, fjsf_node));
+
+		fjs->fjs_initialized = B_TRUE;
+	}
+
+	if (avl_is_empty(&fjs->fjs_tree)) {
+		findjsobjects_obj_t **sorted;
+		int nobjs, i;
+		hrtime_t start = gethrtime();
+
+		if (mdb_get_xdata("pshandle", &Pr, sizeof (Pr)) == -1) {
+			mdb_warn("couldn't read pshandle xdata");
+			return (-1);
+		}
+
+		v8_silent++;
+
+		if (Pmapping_iter(Pr,
+		    (proc_map_f *)findjsobjects_mapping, fjs) != 0) {
+			v8_silent--;
+			return (-1);
+		}
+
+		if ((nobjs = avl_numnodes(&fjs->fjs_tree)) != 0) {
+			/*
+			 * We have the objects -- now sort them.
+			 */
+			sorted = mdb_alloc(nobjs * sizeof (void *),
+			    UM_SLEEP | UM_GC);
+
+			for (obj = fjs->fjs_objects, i = 0; obj != NULL;
+			    obj = obj->fjso_next, i++) {
+				sorted[i] = obj;
+			}
+
+			qsort(sorted, avl_numnodes(&fjs->fjs_tree),
+			    sizeof (void *), findjsobjects_cmp_ninstances);
+
+			for (i = 1, fjs->fjs_objects = sorted[0];
+			    i < nobjs; i++)
+				sorted[i - 1]->fjso_next = sorted[i];
+
+			sorted[nobjs - 1]->fjso_next = NULL;
+		}
+
+		v8_silent--;
+
+		if (fjs->fjs_verbose) {
+			const char *f = "findjsobjects: %30s => %d\n";
+			int elapsed = (int)((gethrtime() - start) / NANOSEC);
+
+			mdb_printf(f, "elapsed time (seconds)", elapsed);
+			mdb_printf(f, "heap objects", stats->fjss_heapobjs);
+			mdb_printf(f, "type reads", stats->fjss_typereads);
+			mdb_printf(f, "cached reads", stats->fjss_cached);
+			mdb_printf(f, "JavaScript objects", stats->fjss_jsobjs);
+			mdb_printf(f, "processed objects", stats->fjss_objects);
+			mdb_printf(f, "processed arrays", stats->fjss_arrays);
+			mdb_printf(f, "unique objects", stats->fjss_uniques);
+			mdb_printf(f, "functions found", stats->fjss_funcs);
+			mdb_printf(f, "unique functions",
+			    stats->fjss_funcs_unique);
+			mdb_printf(f, "functions skipped",
+			    stats->fjss_funcs_skipped);
+		}
+	}
+
+	return (0);
+}
+
+static int
+dcmd_findjsobjects(uintptr_t addr,
+    uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	findjsobjects_state_t *fjs = &findjsobjects_state;
+	findjsobjects_obj_t *obj;
+	boolean_t references = B_FALSE, listlike = B_FALSE;
+	const char *propname = NULL;
+	const char *constructor = NULL;
+	const char *propkind = NULL;
+
+	fjs->fjs_verbose = B_FALSE;
+	fjs->fjs_brk = B_FALSE;
+	fjs->fjs_marking = B_FALSE;
+	fjs->fjs_allobjs = B_FALSE;
+
+	if (mdb_getopts(argc, argv,
+	    'a', MDB_OPT_SETBITS, B_TRUE, &fjs->fjs_allobjs,
+	    'b', MDB_OPT_SETBITS, B_TRUE, &fjs->fjs_brk,
+	    'c', MDB_OPT_STR, &constructor,
+	    'k', MDB_OPT_STR, &propkind,
+	    'l', MDB_OPT_SETBITS, B_TRUE, &listlike,
+	    'm', MDB_OPT_SETBITS, B_TRUE, &fjs->fjs_marking,
+	    'p', MDB_OPT_STR, &propname,
+	    'r', MDB_OPT_SETBITS, B_TRUE, &references,
+	    'v', MDB_OPT_SETBITS, B_TRUE, &fjs->fjs_verbose,
+	    NULL) != argc)
+		return (DCMD_USAGE);
+
+	if (findjsobjects_run(fjs) != 0)
+		return (DCMD_ERR);
+
+	if (listlike && !(flags & DCMD_ADDRSPEC)) {
+		if (propname != NULL || constructor != NULL ||
+		    propkind != NULL) {
+			char opt = propname != NULL ? 'p' :
+			    propkind != NULL ? 'k' :'c';
+
+			mdb_warn("cannot specify -l with -%c; instead, pipe "
+			    "output of ::findjsobjects -%c to "
+			    "::findjsobjects -l\n", opt, opt);
+			return (DCMD_ERR);
+		}
+
+		return (findjsobjects_match(fjs, addr, flags,
+		    findjsobjects_match_all, NULL));
+	}
+
+	if (propname != NULL) {
+		if (constructor != NULL || propkind != NULL) {
+			mdb_warn("cannot specify both a property name "
+			    "and a %s\n", constructor != NULL ?
+			    "constructor" : "property kind");
+			return (DCMD_ERR);
+		}
+
+		return (findjsobjects_match(fjs, addr, flags,
+		    findjsobjects_match_propname, propname));
+	}
+
+	if (constructor != NULL) {
+		if (propkind != NULL) {
+			mdb_warn("cannot specify both a constructor name "
+			    "and a property kind\n");
+			return (DCMD_ERR);
+		}
+
+		return (findjsobjects_match(fjs, addr, flags,
+		    findjsobjects_match_constructor, constructor));
+	}
+
+	if (propkind != NULL) {
+		return (findjsobjects_match(fjs, addr, flags,
+		    findjsobjects_match_kind, propkind));
+	}
+
+	if (references && !(flags & DCMD_ADDRSPEC) &&
+	    avl_is_empty(&fjs->fjs_referents)) {
+		mdb_warn("must specify or mark an object to find references\n");
+		return (DCMD_ERR);
+	}
+
+	if (fjs->fjs_marking && !(flags & DCMD_ADDRSPEC)) {
+		mdb_warn("must specify an object to mark\n");
+		return (DCMD_ERR);
+	}
+
+	if (references && fjs->fjs_marking) {
+		mdb_warn("can't both mark an object and find its references\n");
+		return (DCMD_ERR);
+	}
+
+	if (flags & DCMD_ADDRSPEC) {
+		findjsobjects_instance_t *inst, *head;
+
+		/*
+		 * If we've been passed an address, it's to either list like
+		 * objects (-l), mark an object (-m) or find references to the
+		 * specified/marked objects (-r).  (Note that the absence of
+		 * any of these options implies -l.)
+		 */
+		inst = findjsobjects_instance(fjs, addr, &head);
+
+		if (inst == NULL) {
+			mdb_warn("%p is not a valid object\n", addr);
+			return (DCMD_ERR);
+		}
+
+		if (!references && !fjs->fjs_marking) {
+			for (inst = head; inst != NULL; inst = inst->fjsi_next)
+				mdb_printf("%p\n", inst->fjsi_addr);
+
+			return (DCMD_OK);
+		}
+
+		if (!listlike) {
+			findjsobjects_referent(fjs, inst->fjsi_addr);
+		} else {
+			for (inst = head; inst != NULL; inst = inst->fjsi_next)
+				findjsobjects_referent(fjs, inst->fjsi_addr);
+		}
+	}
+
+	if (references)
+		findjsobjects_references(fjs);
+
+	if (references || fjs->fjs_marking)
+		return (DCMD_OK);
+
+	mdb_printf("%?s %8s %8s %s\n", "OBJECT",
+	    "#OBJECTS", "#PROPS", "CONSTRUCTOR: PROPS");
+
+	for (obj = fjs->fjs_objects; obj != NULL; obj = obj->fjso_next) {
+		if (obj->fjso_malformed && !fjs->fjs_allobjs)
+			continue;
+
+		findjsobjects_print(obj);
+	}
+
+	return (DCMD_OK);
+}
+
+/*
+ * Given a Node Buffer object, print out details about it.  With "-a", just
+ * print the address.
+ */
+/* ARGSUSED */
+static int
+dcmd_nodebuffer(uintptr_t addr, uint_t flags, int argc,
+    const mdb_arg_t *argv)
+{
+	boolean_t opt_f = B_FALSE;
+	char buf[80];
+	char *bufp = buf;
+	size_t len = sizeof (buf);
+	uintptr_t elts, rawbuf;
+
+	/*
+	 * The undocumented "-f" option allows users to override constructor
+	 * checks.
+	 */
+	if (mdb_getopts(argc, argv,
+	    'f', MDB_OPT_SETBITS, B_TRUE, &opt_f, NULL) != argc)
+		return (DCMD_USAGE);
+
+	if (!opt_f) {
+		if (obj_jsconstructor(addr, &bufp, &len, B_FALSE) != 0)
+			return (DCMD_ERR);
+
+		if (strcmp(buf, "Buffer") != 0) {
+			mdb_warn("%p does not appear to be a buffer\n", addr);
+			return (DCMD_ERR);
+		}
+	}
+
+	if (read_heap_ptr(&elts, addr, V8_OFF_JSOBJECT_ELEMENTS) != 0)
+		return (DCMD_ERR);
+
+	if (obj_v8internal(elts, 0, &rawbuf) != 0)
+		return (DCMD_ERR);
+
+	mdb_printf("%p\n", rawbuf);
+	return (DCMD_OK);
+}
+
+/* ARGSUSED */
+static int
+dcmd_jsconstructor(uintptr_t addr, uint_t flags, int argc,
+    const mdb_arg_t *argv)
+{
+	boolean_t opt_v = B_FALSE;
+	char buf[80];
+	char *bufp;
+	size_t len = sizeof (buf);
+
+	if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, B_TRUE, &opt_v,
+	    NULL) != argc)
+		return (DCMD_USAGE);
+
+	bufp = buf;
+	if (obj_jsconstructor(addr, &bufp, &len, opt_v))
+		return (DCMD_ERR);
+
+	mdb_printf("%s\n", buf);
+	return (DCMD_OK);
+}
+
+/* ARGSUSED */
+static int
+dcmd_jsframe(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	uintptr_t fptr, raddr;
+	boolean_t opt_i = B_FALSE;
+	jsframe_t jsf;
+	int rv;
+
+	bzero(&jsf, sizeof (jsf));
+	jsf.jsf_nlines = 5;
+
+	if (mdb_getopts(argc, argv,
+	    'a', MDB_OPT_SETBITS, B_TRUE, &jsf.jsf_showall,
+	    'v', MDB_OPT_SETBITS, B_TRUE, &jsf.jsf_verbose,
+	    'i', MDB_OPT_SETBITS, B_TRUE, &opt_i,
+	    'f', MDB_OPT_STR, &jsf.jsf_func,
+	    'n', MDB_OPT_UINTPTR, &jsf.jsf_nlines,
+	    'p', MDB_OPT_STR, &jsf.jsf_prop, NULL) != argc)
+		return (DCMD_USAGE);
+
+	/*
+	 * As with $C, we assume we are given a *pointer* to the frame pointer
+	 * for a frame, rather than the actual frame pointer for the frame of
+	 * interest. This is needed to show the instruction pointer, which is
+	 * actually stored with the next frame.  For debugging, this can be
+	 * overridden with the "-i" option (for "immediate").
+	 */
+	if (opt_i) {
+		rv = do_jsframe(addr, 0, &jsf);
+		if (rv == 0)
+			jsframe_print_skipped(&jsf);
+		return (rv);
+	}
+
+	if (mdb_vread(&raddr, sizeof (raddr),
+	    addr + sizeof (uintptr_t)) == -1) {
+		mdb_warn("failed to read return address from %p",
+		    addr + sizeof (uintptr_t));
+		return (DCMD_ERR);
+	}
+
+	if (mdb_vread(&fptr, sizeof (fptr), addr) == -1) {
+		mdb_warn("failed to read frame pointer from %p", addr);
+		return (DCMD_ERR);
+	}
+
+	if (fptr == NULL)
+		return (DCMD_OK);
+
+	rv = do_jsframe(fptr, raddr, &jsf);
+	if (rv == 0)
+		jsframe_print_skipped(&jsf);
+	return (rv);
+}
+
+static void
+jsobj_print_propinfo(jspropinfo_t propinfo)
+{
+	if (propinfo == JPI_NONE)
+		return;
+
+	mdb_printf("property kind: ");
+	if ((propinfo & JPI_NUMERIC) != 0)
+		mdb_printf("numeric-named ");
+	if ((propinfo & JPI_DICT) != 0)
+		mdb_printf("dictionary ");
+	if ((propinfo & JPI_INOBJECT) != 0)
+		mdb_printf("in-object ");
+	if ((propinfo & JPI_PROPS) != 0)
+		mdb_printf("\"properties\" array ");
+	mdb_printf("\n");
+
+	if ((propinfo & (JPI_HASTRANSITIONS | JPI_HASCONTENT)) != 0) {
+		mdb_printf("fallbacks: ");
+		if ((propinfo & JPI_HASTRANSITIONS) != 0)
+			mdb_printf("transitions ");
+		if ((propinfo & JPI_HASCONTENT) != 0)
+			mdb_printf("content ");
+		mdb_printf("\n");
+	}
+
+	if ((propinfo & JPI_SKIPPED) != 0)
+		mdb_printf(
+		    "some properties skipped due to unexpected layout\n");
+	if ((propinfo & JPI_BADLAYOUT) != 0)
+		mdb_printf("object has unexpected layout\n");
+}
+
+/* ARGSUSED */
+static int
+dcmd_jsprint(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	char *buf, *bufp;
+	size_t bufsz = 262144, len = bufsz;
+	jsobj_print_t jsop;
+	boolean_t opt_b = B_FALSE;
+	boolean_t opt_v = B_FALSE;
+	int rv, i;
+
+	bzero(&jsop, sizeof (jsop));
+	jsop.jsop_depth = 2;
+	jsop.jsop_printaddr = B_FALSE;
+
+	i = mdb_getopts(argc, argv,
+	    'a', MDB_OPT_SETBITS, B_TRUE, &jsop.jsop_printaddr,
+	    'b', MDB_OPT_SETBITS, B_TRUE, &opt_b,
+	    'd', MDB_OPT_UINT64, &jsop.jsop_depth,
+	    'v', MDB_OPT_SETBITS, B_TRUE, &opt_v, NULL);
+
+	if (opt_b)
+		jsop.jsop_baseaddr = addr;
+
+	do {
+		if (i != argc) {
+			const mdb_arg_t *member = &argv[i++];
+
+			if (member->a_type != MDB_TYPE_STRING)
+				return (DCMD_USAGE);
+
+			jsop.jsop_member = member->a_un.a_str;
+		}
+
+		for (;;) {
+			if ((buf = bufp =
+			    mdb_zalloc(bufsz, UM_NOSLEEP)) == NULL)
+				return (DCMD_ERR);
+
+			jsop.jsop_bufp = &bufp;
+			jsop.jsop_lenp = &len;
+
+			rv = jsobj_print(addr, &jsop);
+
+			if (len > 0)
+				break;
+
+			mdb_free(buf, bufsz);
+			bufsz <<= 1;
+			len = bufsz;
+		}
+
+		if (jsop.jsop_member == NULL && rv != 0) {
+			if (!jsop.jsop_descended)
+				mdb_warn("%s\n", buf);
+
+			return (DCMD_ERR);
+		}
+
+		if (jsop.jsop_member && !jsop.jsop_found) {
+			if (jsop.jsop_baseaddr)
+				(void) mdb_printf("%p: ", jsop.jsop_baseaddr);
+
+			(void) mdb_printf("undefined%s",
+			    i < argc ? " " : "");
+		} else {
+			(void) mdb_printf("%s%s", buf, i < argc &&
+			    !isspace(buf[strlen(buf) - 1]) ? " " : "");
+		}
+
+		mdb_free(buf, bufsz);
+		jsop.jsop_found = B_FALSE;
+		jsop.jsop_baseaddr = NULL;
+	} while (i < argc);
+
+	mdb_printf("\n");
+
+	if (opt_v)
+		jsobj_print_propinfo(jsop.jsop_propinfo);
+
+	return (DCMD_OK);
+}
+
+/* ARGSUSED */
+static int
+dcmd_jssource(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	const char *typename;
+	uintptr_t nlines = 5;
+	uintptr_t funcinfop, scriptp, funcnamep;
+	uintptr_t tokpos, endpos;
+	uint8_t type;
+	char buf[256];
+	char *bufp = buf;
+	size_t len = sizeof (buf);
+
+	if (mdb_getopts(argc, argv, 'n', MDB_OPT_UINTPTR, &nlines,
+	    NULL) != argc)
+		return (DCMD_USAGE);
+
+	if (!V8_IS_HEAPOBJECT(addr) || read_typebyte(&type, addr) != 0) {
+		mdb_warn("%p is not a heap object\n", addr);
+		return (DCMD_ERR);
+	}
+
+	typename = enum_lookup_str(v8_types, type, "");
+	if (strcmp(typename, "JSFunction") != 0) {
+		mdb_warn("%p is not a JSFunction\n", addr);
+		return (DCMD_ERR);
+	}
+
+	if (read_heap_ptr(&funcinfop, addr, V8_OFF_JSFUNCTION_SHARED) != 0 ||
+	    read_heap_ptr(&scriptp, funcinfop,
+	    V8_OFF_SHAREDFUNCTIONINFO_SCRIPT) != 0 ||
+	    read_heap_ptr(&funcnamep, scriptp, V8_OFF_SCRIPT_NAME) != 0) {
+		mdb_warn("%p: failed to find script for function\n", addr);
+		return (DCMD_ERR);
+	}
+
+	if (read_heap_maybesmi(&tokpos, funcinfop,
+	    V8_OFF_SHAREDFUNCTIONINFO_FUNCTION_TOKEN_POSITION) != 0 ||
+	    read_heap_maybesmi(&endpos, funcinfop,
+	    V8_OFF_SHAREDFUNCTIONINFO_END_POSITION) != 0) {
+		mdb_warn("%p: failed to find function's boundaries\n", addr);
+	}
+
+	if (jsstr_print(funcnamep, JSSTR_NUDE, &bufp, &len) == 0)
+		mdb_printf("file: %s\n", buf);
+
+	if (tokpos != endpos)
+		jsfunc_lines(scriptp, tokpos, endpos, nlines, "%5d ");
+	mdb_printf("\n");
+	return (DCMD_OK);
+}
+
+/* ARGSUSED */
+static int
+dcmd_jsfunctions(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	findjsobjects_state_t *fjs = &findjsobjects_state;
+	findjsobjects_func_t *func;
+	uintptr_t funcinfo;
+	boolean_t showrange = B_FALSE;
+	const char *name = NULL, *filename = NULL;
+	uintptr_t instr = 0;
+
+	if (mdb_getopts(argc, argv,
+	    'x', MDB_OPT_UINTPTR, &instr,
+	    'X', MDB_OPT_SETBITS, B_TRUE, &showrange,
+	    'n', MDB_OPT_STR, &name,
+	    's', MDB_OPT_STR, &filename,
+	    NULL) != argc)
+		return (DCMD_USAGE);
+
+	if (findjsobjects_run(fjs) != 0)
+		return (DCMD_ERR);
+
+	if (!showrange)
+		mdb_printf("%?s %8s %-40s %s\n", "FUNC", "#FUNCS", "NAME",
+		    "FROM");
+	else
+		mdb_printf("%?s %8s %?s %?s %-40s %s\n", "FUNC", "#FUNCS",
+		    "START", "END", "NAME", "FROM");
+
+	for (func = fjs->fjs_funcs; func != NULL; func = func->fjsf_next) {
+		uintptr_t code, ilen;
+
+		funcinfo = func->fjsf_shared;
+
+		if (func->fjsf_location[0] == '\0') {
+			uintptr_t tokpos, script, lends;
+			ptrdiff_t tokposoff =
+			    V8_OFF_SHAREDFUNCTIONINFO_FUNCTION_TOKEN_POSITION;
+
+			/*
+			 * We don't want to actually decode the token position
+			 * as an SMI here, so we re-encode it when we pass it to
+			 * jsfunc_lineno() below.
+			 */
+			if (read_heap_maybesmi(&tokpos, funcinfo,
+			    tokposoff) != 0 ||
+			    read_heap_ptr(&script, funcinfo,
+			    V8_OFF_SHAREDFUNCTIONINFO_SCRIPT) != 0 ||
+			    read_heap_ptr(&lends, script,
+			    V8_OFF_SCRIPT_LINE_ENDS) != 0 ||
+			    jsfunc_lineno(lends, V8_VALUE_SMI(tokpos),
+			    func->fjsf_location,
+			    sizeof (func->fjsf_location), NULL) != 0) {
+				func->fjsf_location[0] = '\0';
+			}
+		}
+
+		if (name != NULL && strstr(func->fjsf_funcname, name) == NULL)
+			continue;
+
+		if (filename != NULL &&
+		    strstr(func->fjsf_scriptname, filename) == NULL)
+			continue;
+
+		code = 0;
+		ilen = 0;
+		if ((showrange || instr != 0) &&
+		    (read_heap_ptr(&code, funcinfo,
+		    V8_OFF_SHAREDFUNCTIONINFO_CODE) != 0 ||
+		    read_heap_ptr(&ilen, code,
+		    V8_OFF_CODE_INSTRUCTION_SIZE) != 0)) {
+			code = 0;
+			ilen = 0;
+		}
+
+		if ((instr != 0 && ilen != 0) &&
+		    (instr < code + V8_OFF_CODE_INSTRUCTION_START ||
+		    instr >= code + V8_OFF_CODE_INSTRUCTION_START + ilen))
+			continue;
+
+		if (!showrange) {
+			mdb_printf("%?p %8d %-40s %s %s\n",
+			    func->fjsf_instances.fjsi_addr,
+			    func->fjsf_ninstances, func->fjsf_funcname,
+			    func->fjsf_scriptname, func->fjsf_location);
+		} else {
+			uintptr_t code, ilen;
+
+			if (read_heap_ptr(&code, funcinfo,
+			    V8_OFF_SHAREDFUNCTIONINFO_CODE) != 0 ||
+			    read_heap_ptr(&ilen, code,
+			    V8_OFF_CODE_INSTRUCTION_SIZE) != 0) {
+				mdb_printf("%?p %8d %?s %?s %-40s %s %s\n",
+				    func->fjsf_instances.fjsi_addr,
+				    func->fjsf_ninstances, "?", "?",
+				    func->fjsf_funcname, func->fjsf_scriptname,
+				    func->fjsf_location);
+			} else {
+				mdb_printf("%?p %8d %?p %?p %-40s %s %s\n",
+				    func->fjsf_instances.fjsi_addr,
+				    func->fjsf_ninstances,
+				    code + V8_OFF_CODE_INSTRUCTION_START,
+				    code + V8_OFF_CODE_INSTRUCTION_START + ilen,
+				    func->fjsf_funcname, func->fjsf_scriptname,
+				    func->fjsf_location);
+			}
+		}
+	}
+
+	return (DCMD_OK);
+}
+
+static void
+dcmd_jsfunctions_help(void)
+{
+	mdb_printf("%s\n\n",
+"Lists JavaScript functions, optionally filtered by a substring of the\n"
+"function name or script filename or by the instruction address.  This uses\n"
+"the cache created by ::findjsobjects.  If ::findjsobjects has not already\n"
+"been run, this command runs it automatically without printing the output.\n"
+"This can take anywhere from a second to several minutes, depending on the\n"
+"size of the core dump.\n"
+"\n"
+"It's important to keep in mind that each time you create a function in\n"
+"JavaScript (even from a function definition that has already been used),\n"
+"the VM must create a new object to represent it.  For example, if your\n"
+"program has a function A that returns a closure B, the VM will create new\n"
+"instances of the closure function (B) each time the surrounding function (A)\n"
+"is called.  To show this, the output of this command consists of one line \n"
+"per function definition that appears in the JavaScript source, and the\n"
+"\"#FUNCS\" column shows how many different functions were created by VM from\n"
+"this definition.");
+
+	mdb_dec_indent(2);
+	mdb_printf("%<b>OPTIONS%</b>\n");
+	mdb_inc_indent(2);
+
+	mdb_printf("%s\n",
+"  -f file  List functions that were defined in a file whose name contains\n"
+"           this substring.\n"
+"  -n func  List functions whose name contains this substring\n"
+"  -x instr List functions whose compiled instructions include this address\n"
+"  -X       Show where the function's instructions are stored in memory\n");
+}
+
+/* ARGSUSED */
+static int
+dcmd_v8field(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	v8_class_t *clp;
+	v8_field_t *flp;
+	const char *klass, *field;
+	uintptr_t offset = 0;
+
+	/*
+	 * We may be invoked with either two arguments (class and field name) or
+	 * three (an offset to save).
+	 */
+	if (argc != 2 && argc != 3)
+		return (DCMD_USAGE);
+
+	if (argv[0].a_type != MDB_TYPE_STRING ||
+	    argv[1].a_type != MDB_TYPE_STRING)
+		return (DCMD_USAGE);
+
+	klass = argv[0].a_un.a_str;
+	field = argv[1].a_un.a_str;
+
+	if (argc == 3) {
+		if (argv[2].a_type != MDB_TYPE_STRING)
+			return (DCMD_USAGE);
+
+		offset = mdb_strtoull(argv[2].a_un.a_str);
+	}
+
+	for (clp = v8_classes; clp != NULL; clp = clp->v8c_next)
+		if (strcmp(clp->v8c_name, klass) == 0)
+			break;
+
+	if (clp == NULL) {
+		(void) mdb_printf("error: no such class: \"%s\"", klass);
+		return (DCMD_ERR);
+	}
+
+	for (flp = clp->v8c_fields; flp != NULL; flp = flp->v8f_next)
+		if (strcmp(field, flp->v8f_name) == 0)
+			break;
+
+	if (flp == NULL) {
+		if (argc == 2) {
+			mdb_printf("error: no such field in class \"%s\": "
+			    "\"%s\"", klass, field);
+			return (DCMD_ERR);
+		}
+
+		flp = conf_field_create(clp, field, offset);
+		if (flp == NULL) {
+			mdb_warn("failed to create field");
+			return (DCMD_ERR);
+		}
+	} else if (argc == 3) {
+		flp->v8f_offset = offset;
+	}
+
+	mdb_printf("%s::%s at offset 0x%x\n", klass, field, flp->v8f_offset);
+	return (DCMD_OK);
+}
+
+/* ARGSUSED */
+static int
+dcmd_v8array(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	uint8_t type;
+	uintptr_t *array;
+	size_t ii, len;
+
+	if (read_typebyte(&type, addr) != 0)
+		return (DCMD_ERR);
+
+	if (type != V8_TYPE_FIXEDARRAY) {
+		mdb_warn("%p is not an instance of FixedArray\n", addr);
+		return (DCMD_ERR);
+	}
+
+	if (read_heap_array(addr, &array, &len, UM_SLEEP | UM_GC) != 0)
+		return (DCMD_ERR);
+
+	for (ii = 0; ii < len; ii++)
+		mdb_printf("%p\n", array[ii]);
+
+	return (DCMD_OK);
+}
+
+/* ARGSUSED */
+static int
+dcmd_jsstack(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	uintptr_t raddr;
+	jsframe_t jsf;
+
+	bzero(&jsf, sizeof (jsf));
+	jsf.jsf_nlines = 5;
+
+	if (mdb_getopts(argc, argv,
+	    'a', MDB_OPT_SETBITS, B_TRUE, &jsf.jsf_showall,
+	    'v', MDB_OPT_SETBITS, B_TRUE, &jsf.jsf_verbose,
+	    'f', MDB_OPT_STR, &jsf.jsf_func,
+	    'n', MDB_OPT_UINTPTR, &jsf.jsf_nlines,
+	    'p', MDB_OPT_STR, &jsf.jsf_prop,
+	    NULL) != argc)
+		return (DCMD_USAGE);
+
+	/*
+	 * The "::jsframe" walker iterates the valid frame pointers, but the
+	 * "::jsframe" dcmd looks at the frame after the one it was given, so we
+	 * have to explicitly examine the top frame here.
+	 */
+	if (!(flags & DCMD_ADDRSPEC)) {
+		if (load_current_context(&addr, &raddr) != 0 ||
+		    do_jsframe(addr, raddr, &jsf) != 0)
+			return (DCMD_ERR);
+	}
+
+	if (mdb_pwalk_dcmd("jsframe", "jsframe", argc, argv, addr) == -1)
+		return (DCMD_ERR);
+
+	jsframe_print_skipped(&jsf);
+	return (DCMD_OK);
+}
+
+/* ARGSUSED */
+static int
+dcmd_v8str(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	boolean_t opt_v = B_FALSE;
+	char buf[512 * 1024];
+	char *bufp;
+	size_t len;
+
+	if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, B_TRUE, &opt_v,
+	    NULL) != argc)
+		return (DCMD_USAGE);
+
+	bufp = buf;
+	len = sizeof (buf);
+	if (jsstr_print(addr, (opt_v ? JSSTR_VERBOSE : JSSTR_NONE) |
+	    JSSTR_QUOTED, &bufp, &len) != 0)
+		return (DCMD_ERR);
+
+	mdb_printf("%s\n", buf);
+	return (DCMD_OK);
+}
+
+static void
+dcmd_v8load_help(void)
+{
+	v8_cfg_t *cfp, **cfgpp;
+
+	mdb_printf(
+	    "To traverse in-memory V8 structures, the V8 dmod requires\n"
+	    "configuration that describes the layout of various V8 structures\n"
+	    "in memory.  Normally, this information is pulled from metadata\n"
+	    "in the target binary.  However, it's possible to use the module\n"
+	    "with a binary not built with metadata by loading one of the\n"
+	    "canned configurations.\n\n");
+
+	mdb_printf("Available configurations:\n");
+
+	(void) mdb_inc_indent(4);
+
+	for (cfgpp = v8_cfgs; *cfgpp != NULL; cfgpp++) {
+		cfp = *cfgpp;
+		mdb_printf("%-10s    %s\n", cfp->v8cfg_name, cfp->v8cfg_label);
+	}
+
+	(void) mdb_dec_indent(4);
+}
+
+/* ARGSUSED */
+static int
+dcmd_v8load(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	v8_cfg_t *cfgp = NULL, **cfgpp;
+
+	if (v8_classes != NULL) {
+		mdb_warn("v8 module already configured\n");
+		return (DCMD_ERR);
+	}
+
+	if (argc < 1 || argv->a_type != MDB_TYPE_STRING)
+		return (DCMD_USAGE);
+
+	for (cfgpp = v8_cfgs; *cfgpp != NULL; cfgpp++) {
+		cfgp = *cfgpp;
+		if (strcmp(argv->a_un.a_str, cfgp->v8cfg_name) == 0)
+			break;
+	}
+
+	if (cfgp == NULL || cfgp->v8cfg_name == NULL) {
+		mdb_warn("unknown configuration: \"%s\"\n", argv->a_un.a_str);
+		return (DCMD_ERR);
+	}
+
+	if (autoconfigure(cfgp) == -1) {
+		mdb_warn("autoconfigure failed\n");
+		return (DCMD_ERR);
+	}
+
+	mdb_printf("V8 dmod configured based on %s\n", cfgp->v8cfg_name);
+	return (DCMD_OK);
+}
+
+/* ARGSUSED */
+static int
+dcmd_v8warnings(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	v8_warnings ^= 1;
+	mdb_printf("v8 warnings are now %s\n", v8_warnings ? "on" : "off");
+
+	return (DCMD_OK);
+}
+
+static int
+walk_jsframes_init(mdb_walk_state_t *wsp)
+{
+	if (wsp->walk_addr != NULL)
+		return (WALK_NEXT);
+
+	if (load_current_context(&wsp->walk_addr, NULL) != 0)
+		return (WALK_ERR);
+
+	return (WALK_NEXT);
+}
+
+static int
+walk_jsframes_step(mdb_walk_state_t *wsp)
+{
+	uintptr_t addr, next;
+	int rv;
+
+	addr = wsp->walk_addr;
+	rv = wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata);
+
+	if (rv != WALK_NEXT)
+		return (rv);
+
+	if (mdb_vread(&next, sizeof (next), addr) == -1)
+		return (WALK_ERR);
+
+	if (next == NULL)
+		return (WALK_DONE);
+
+	wsp->walk_addr = next;
+	return (WALK_NEXT);
+}
+
+typedef struct jsprop_walk_data {
+	int jspw_nprops;
+	int jspw_current;
+	uintptr_t *jspw_props;
+} jsprop_walk_data_t;
+
+/*ARGSUSED*/
+static int
+walk_jsprop_nprops(const char *desc, uintptr_t val, void *arg)
+{
+	jsprop_walk_data_t *jspw = arg;
+	jspw->jspw_nprops++;
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+walk_jsprop_props(const char *desc, uintptr_t val, void *arg)
+{
+	jsprop_walk_data_t *jspw = arg;
+	jspw->jspw_props[jspw->jspw_current++] = val;
+
+	return (0);
+}
+
+static int
+walk_jsprop_init(mdb_walk_state_t *wsp)
+{
+	jsprop_walk_data_t *jspw;
+	uintptr_t addr;
+	uint8_t type;
+
+	if ((addr = wsp->walk_addr) == NULL) {
+		mdb_warn("'jsprop' does not support global walks\n");
+		return (WALK_ERR);
+	}
+
+	if (!V8_IS_HEAPOBJECT(addr) || read_typebyte(&type, addr) != 0 ||
+	    type != V8_TYPE_JSOBJECT) {
+		mdb_warn("%p is not a JSObject\n", addr);
+		return (WALK_ERR);
+	}
+
+	jspw = mdb_zalloc(sizeof (jsprop_walk_data_t), UM_SLEEP | UM_GC);
+
+	if (jsobj_properties(addr, walk_jsprop_nprops, jspw, NULL) == -1) {
+		mdb_warn("couldn't iterate over properties for %p\n", addr);
+		return (WALK_ERR);
+	}
+
+	jspw->jspw_props = mdb_zalloc(jspw->jspw_nprops *
+	    sizeof (uintptr_t), UM_SLEEP | UM_GC);
+
+	if (jsobj_properties(addr, walk_jsprop_props, jspw, NULL) == -1) {
+		mdb_warn("couldn't iterate over properties for %p\n", addr);
+		return (WALK_ERR);
+	}
+
+	jspw->jspw_current = 0;
+	wsp->walk_data = jspw;
+
+	return (WALK_NEXT);
+}
+
+static int
+walk_jsprop_step(mdb_walk_state_t *wsp)
+{
+	jsprop_walk_data_t *jspw = wsp->walk_data;
+	int rv;
+
+	if (jspw->jspw_current >= jspw->jspw_nprops)
+		return (WALK_DONE);
+
+	if ((rv = wsp->walk_callback(jspw->jspw_props[jspw->jspw_current++],
+	    NULL, wsp->walk_cbdata)) != WALK_NEXT)
+		return (rv);
+
+	return (WALK_NEXT);
+}
+
+/*
+ * MDB linkage
+ */
+
+static const mdb_dcmd_t v8_mdb_dcmds[] = {
+	/*
+	 * Commands to inspect Node-level state
+	 */
+	{ "nodebuffer", ":[-a]",
+		"print details about the given Node Buffer", dcmd_nodebuffer },
+
+	/*
+	 * Commands to inspect JavaScript-level state
+	 */
+	{ "jsconstructor", ":[-v]",
+		"print the constructor for a JavaScript object",
+		dcmd_jsconstructor },
+	{ "jsframe", ":[-aiv] [-f function] [-p property] [-n numlines]",
+		"summarize a JavaScript stack frame", dcmd_jsframe },
+	{ "jsprint", ":[-ab] [-d depth] [member]", "print a JavaScript object",
+		dcmd_jsprint },
+	{ "jssource", ":[-n numlines]",
+		"print the source code for a JavaScript function",
+		dcmd_jssource },
+	{ "jsstack", "[-av] [-f function] [-p property] [-n numlines]",
+		"print a JavaScript stacktrace", dcmd_jsstack },
+	{ "findjsobjects", "?[-vb] [-r | -c cons | -p prop]", "find JavaScript "
+		"objects", dcmd_findjsobjects, dcmd_findjsobjects_help },
+	{ "jsfunctions", "[-X] [-s file_filter] [-n name_filter] "
+	    "[-x instr_filter]", "list JavaScript functions",
+	    dcmd_jsfunctions, dcmd_jsfunctions_help },
+
+	/*
+	 * Commands to inspect V8-level state
+	 */
+	{ "v8array", ":", "print elements of a V8 FixedArray",
+		dcmd_v8array },
+	{ "v8classes", NULL, "list known V8 heap object C++ classes",
+		dcmd_v8classes },
+	{ "v8code", ":[-d]", "print information about a V8 Code object",
+		dcmd_v8code },
+	{ "v8field", "classname fieldname offset",
+		"manually add a field to a given class", dcmd_v8field },
+	{ "v8function", ":[-d]", "print JSFunction object details",
+		dcmd_v8function },
+	{ "v8internal", ":[fieldidx]", "print v8 object internal fields",
+		dcmd_v8internal },
+	{ "v8load", "version", "load canned config for a specific V8 version",
+		dcmd_v8load, dcmd_v8load_help },
+	{ "v8frametypes", NULL, "list known V8 frame types",
+		dcmd_v8frametypes },
+	{ "v8print", ":[class]", "print a V8 heap object",
+		dcmd_v8print, dcmd_v8print_help },
+	{ "v8str", ":[-v]", "print the contents of a V8 string",
+		dcmd_v8str },
+	{ "v8type", ":", "print the type of a V8 heap object",
+		dcmd_v8type },
+	{ "v8types", NULL, "list known V8 heap object types",
+		dcmd_v8types },
+	{ "v8warnings", NULL, "toggle V8 warnings",
+		dcmd_v8warnings },
+
+	{ NULL }
+};
+
+static const mdb_walker_t v8_mdb_walkers[] = {
+	{ "jsframe", "walk V8 JavaScript stack frames",
+		walk_jsframes_init, walk_jsframes_step },
+	{ "jsprop", "walk property values for an object",
+		walk_jsprop_init, walk_jsprop_step },
+	{ NULL }
+};
+
+static mdb_modinfo_t v8_mdb = { MDB_API_VERSION, v8_mdb_dcmds, v8_mdb_walkers };
+
+static void
+configure(void)
+{
+	char *success;
+	v8_cfg_t *cfgp = NULL;
+	GElf_Sym sym;
+	int major, minor, build, patch;
+
+	if (mdb_readsym(&major, sizeof (major),
+	    "_ZN2v88internal7Version6major_E") == -1 ||
+	    mdb_readsym(&minor, sizeof (minor),
+	    "_ZN2v88internal7Version6minor_E") == -1 ||
+	    mdb_readsym(&build, sizeof (build),
+	    "_ZN2v88internal7Version6build_E") == -1 ||
+	    mdb_readsym(&patch, sizeof (patch),
+	    "_ZN2v88internal7Version6patch_E") == -1) {
+		mdb_warn("failed to determine V8 version");
+		return;
+	}
+
+	v8_major = major;
+	v8_minor = minor;
+	v8_build = build;
+	v8_patch = patch;
+	mdb_printf("V8 version: %d.%d.%d.%d\n",
+	    v8_major, v8_minor, v8_build, v8_patch);
+
+	/*
+	 * First look for debug metadata embedded within the binary, which may
+	 * be present in recent V8 versions built with postmortem metadata.
+	 */
+	if (mdb_lookup_by_name("v8dbg_SmiTag", &sym) == 0) {
+		cfgp = &v8_cfg_target;
+		success = "Autoconfigured V8 support from target";
+	} else if (v8_major == 3 && v8_minor == 1 && v8_build == 8) {
+		cfgp = &v8_cfg_04;
+		success = "Configured V8 support based on node v0.4";
+	} else if (v8_major == 3 && v8_minor == 6 && v8_build == 6) {
+		cfgp = &v8_cfg_06;
+		success = "Configured V8 support based on node v0.6";
+	} else {
+		mdb_printf("mdb_v8: target has no debug metadata and "
+		    "no existing config found\n");
+		return;
+	}
+
+	if (autoconfigure(cfgp) != 0) {
+		mdb_warn("failed to autoconfigure from target; "
+		    "commands may have incorrect results!\n");
+		return;
+	}
+
+	mdb_printf("%s\n", success);
+}
+
+static void
+enable_demangling(void)
+{
+	const char *symname = "_ZN2v88internal7Version6major_E";
+	GElf_Sym sym;
+	char buf[64];
+
+	/*
+	 * Try to determine whether C++ symbol demangling has been enabled.  If
+	 * not, enable it.
+	 */
+	if (mdb_lookup_by_name("_ZN2v88internal7Version6major_E", &sym) != 0)
+		return;
+
+	(void) mdb_snprintf(buf, sizeof (buf), "%a", sym.st_value);
+	if (strstr(buf, symname) != NULL)
+		(void) mdb_eval("$G");
+}
+
+const mdb_modinfo_t *
+_mdb_init(void)
+{
+	configure();
+	enable_demangling();
+	return (&v8_mdb);
+}
diff --git a/usr/src/cmd/mdb/common/modules/v8/mdb_v8_cfg.c b/usr/src/cmd/mdb/common/modules/v8/mdb_v8_cfg.c
new file mode 100644
index 0000000000..d907242435
--- /dev/null
+++ b/usr/src/cmd/mdb/common/modules/v8/mdb_v8_cfg.c
@@ -0,0 +1,728 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ */
+
+/*
+ * mdb_v8_cfg.c: canned configurations for previous V8 versions.
+ *
+ * The functions and data defined here enable this dmod to support debugging
+ * Node.js binaries that predated V8's built-in postmortem debugging support.
+ */
+
+#include "v8cfg.h"
+
+/*ARGSUSED*/
+static int
+v8cfg_target_iter(v8_cfg_t *cfgp, int (*func)(mdb_symbol_t *, void *),
+    void *arg)
+{
+	return (mdb_symbol_iter(MDB_OBJ_EVERY, MDB_DYNSYM,
+	    MDB_BIND_GLOBAL | MDB_TYPE_OBJECT | MDB_TYPE_FUNC,
+	    func, arg));
+}
+
+/*ARGSUSED*/
+static int
+v8cfg_target_readsym(v8_cfg_t *cfgp, const char *name, intptr_t *valp)
+{
+	int val, rval;
+
+	if ((rval = mdb_readsym(&val, sizeof (val), name)) != -1)
+		*valp = (intptr_t)val;
+
+	return (rval);
+}
+
+/*
+ * Analog of mdb_symbol_iter() for a canned configuration.
+ */
+static int
+v8cfg_canned_iter(v8_cfg_t *cfgp, int (*func)(mdb_symbol_t *, void *),
+    void *arg)
+{
+	v8_cfg_symbol_t *v8sym;
+	mdb_symbol_t mdbsym;
+	int rv;
+
+	for (v8sym = cfgp->v8cfg_symbols; v8sym->v8cs_name != NULL; v8sym++) {
+		mdbsym.sym_name = v8sym->v8cs_name;
+		mdbsym.sym_object = NULL;
+		mdbsym.sym_sym = NULL;
+		mdbsym.sym_table = 0;
+		mdbsym.sym_id = 0;
+
+		if ((rv = func(&mdbsym, arg)) != 0)
+			return (rv);
+	}
+
+	return (0);
+}
+
+/*
+ * Analog of mdb_readsym() for a canned configuration.
+ */
+static int
+v8cfg_canned_readsym(v8_cfg_t *cfgp, const char *name, intptr_t *valp)
+{
+	v8_cfg_symbol_t *v8sym;
+
+	for (v8sym = cfgp->v8cfg_symbols; v8sym->v8cs_name != NULL; v8sym++) {
+		if (strcmp(name, v8sym->v8cs_name) == 0)
+			break;
+	}
+
+	if (v8sym->v8cs_name == NULL)
+		return (-1);
+
+	*valp = v8sym->v8cs_value;
+	return (0);
+}
+
+/*
+ * Canned configuration for the V8 bundled with Node.js v0.4.8 and later.
+ */
+static v8_cfg_symbol_t v8_symbols_node_04[] = {
+	{ "v8dbg_type_AccessCheckInfo__ACCESS_CHECK_INFO_TYPE", 0x91 },
+	{ "v8dbg_type_AccessorInfo__ACCESSOR_INFO_TYPE", 0x90 },
+	{ "v8dbg_type_BreakPointInfo__BREAK_POINT_INFO_TYPE", 0x9b },
+	{ "v8dbg_type_ByteArray__BYTE_ARRAY_TYPE", 0x86 },
+	{ "v8dbg_type_CallHandlerInfo__CALL_HANDLER_INFO_TYPE", 0x93 },
+	{ "v8dbg_type_Code__CODE_TYPE", 0x81 },
+	{ "v8dbg_type_CodeCache__CODE_CACHE_TYPE", 0x99 },
+	{ "v8dbg_type_ConsString__CONS_ASCII_STRING_TYPE", 0x5 },
+	{ "v8dbg_type_ConsString__CONS_ASCII_SYMBOL_TYPE", 0x45 },
+	{ "v8dbg_type_ConsString__CONS_STRING_TYPE", 0x1 },
+	{ "v8dbg_type_ConsString__CONS_SYMBOL_TYPE", 0x41 },
+	{ "v8dbg_type_DebugInfo__DEBUG_INFO_TYPE", 0x9a },
+	{ "v8dbg_type_ExternalAsciiString__EXTERNAL_ASCII_STRING_TYPE", 0x6 },
+	{ "v8dbg_type_ExternalAsciiString__EXTERNAL_ASCII_SYMBOL_TYPE", 0x46 },
+	{ "v8dbg_type_ExternalByteArray__EXTERNAL_BYTE_ARRAY_TYPE", 0x88 },
+	{ "v8dbg_type_ExternalFloatArray__EXTERNAL_FLOAT_ARRAY_TYPE", 0x8e },
+	{ "v8dbg_type_ExternalIntArray__EXTERNAL_INT_ARRAY_TYPE", 0x8c },
+	{ "v8dbg_type_ExternalShortArray__EXTERNAL_SHORT_ARRAY_TYPE", 0x8a },
+	{ "v8dbg_type_ExternalString__EXTERNAL_STRING_TYPE", 0x2 },
+	{ "v8dbg_type_ExternalString__EXTERNAL_SYMBOL_TYPE", 0x42 },
+	{ "v8dbg_type_ExternalUnsignedByteArray__"
+		"EXTERNAL_UNSIGNED_BYTE_ARRAY_TYPE", 0x89 },
+	{ "v8dbg_type_ExternalUnsignedIntArray__"
+		"EXTERNAL_UNSIGNED_INT_ARRAY_TYPE", 0x8d },
+	{ "v8dbg_type_ExternalUnsignedShortArray__"
+		"EXTERNAL_UNSIGNED_SHORT_ARRAY_TYPE", 0x8b },
+	{ "v8dbg_type_FixedArray__FIXED_ARRAY_TYPE", 0x9c },
+	{ "v8dbg_type_FunctionTemplateInfo__"
+		"FUNCTION_TEMPLATE_INFO_TYPE", 0x94 },
+	{ "v8dbg_type_HeapNumber__HEAP_NUMBER_TYPE", 0x84 },
+	{ "v8dbg_type_InterceptorInfo__INTERCEPTOR_INFO_TYPE", 0x92 },
+	{ "v8dbg_type_JSArray__JS_ARRAY_TYPE", 0xa5 },
+	{ "v8dbg_type_JSBuiltinsObject__JS_BUILTINS_OBJECT_TYPE", 0xa3 },
+	{ "v8dbg_type_JSFunction__JS_FUNCTION_TYPE", 0xa7 },
+	{ "v8dbg_type_JSGlobalObject__JS_GLOBAL_OBJECT_TYPE", 0xa2 },
+	{ "v8dbg_type_JSGlobalPropertyCell__"
+		"JS_GLOBAL_PROPERTY_CELL_TYPE", 0x83 },
+	{ "v8dbg_type_JSGlobalProxy__JS_GLOBAL_PROXY_TYPE", 0xa4 },
+	{ "v8dbg_type_JSMessageObject__JS_MESSAGE_OBJECT_TYPE", 0x9e },
+	{ "v8dbg_type_JSObject__JS_OBJECT_TYPE", 0xa0 },
+	{ "v8dbg_type_JSRegExp__JS_REGEXP_TYPE", 0xa6 },
+	{ "v8dbg_type_JSValue__JS_VALUE_TYPE", 0x9f },
+	{ "v8dbg_type_Map__MAP_TYPE", 0x80 },
+	{ "v8dbg_type_ObjectTemplateInfo__OBJECT_TEMPLATE_INFO_TYPE", 0x95 },
+	{ "v8dbg_type_Oddball__ODDBALL_TYPE", 0x82 },
+	{ "v8dbg_type_Script__SCRIPT_TYPE", 0x98 },
+	{ "v8dbg_type_SeqAsciiString__ASCII_STRING_TYPE", 0x4 },
+	{ "v8dbg_type_SeqAsciiString__ASCII_SYMBOL_TYPE", 0x44 },
+	{ "v8dbg_type_SharedFunctionInfo__SHARED_FUNCTION_INFO_TYPE", 0x9d },
+	{ "v8dbg_type_SignatureInfo__SIGNATURE_INFO_TYPE", 0x96 },
+	{ "v8dbg_type_String__STRING_TYPE", 0x0 },
+	{ "v8dbg_type_String__SYMBOL_TYPE", 0x40 },
+	{ "v8dbg_type_TypeSwitchInfo__TYPE_SWITCH_INFO_TYPE", 0x97 },
+
+	{ "v8dbg_class_AccessCheckInfo__data__Object", 0xc },
+	{ "v8dbg_class_AccessCheckInfo__indexed_callback__Object", 0x8 },
+	{ "v8dbg_class_AccessCheckInfo__named_callback__Object", 0x4 },
+	{ "v8dbg_class_AccessorInfo__data__Object", 0xc },
+	{ "v8dbg_class_AccessorInfo__flag__Smi", 0x14 },
+	{ "v8dbg_class_AccessorInfo__getter__Object", 0x4 },
+	{ "v8dbg_class_AccessorInfo__name__Object", 0x10 },
+	{ "v8dbg_class_AccessorInfo__setter__Object", 0x8 },
+	{ "v8dbg_class_BreakPointInfo__break_point_objects__Object", 0x10 },
+	{ "v8dbg_class_BreakPointInfo__code_position__Smi", 0x4 },
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+	{ "v8dbg_class_JSArray__length__Object", 0xc },
+	{ "v8dbg_class_JSFunction__literals__FixedArray", 0x1c },
+	{ "v8dbg_class_JSFunction__next_function_link__Object", 0x20 },
+	{ "v8dbg_class_JSFunction__prototype_or_initial_map__Object", 0x10 },
+	{ "v8dbg_class_JSFunction__shared__SharedFunctionInfo", 0x14 },
+	{ "v8dbg_class_JSFunctionProxy__call_trap__Object", 0x8 },
+	{ "v8dbg_class_JSFunctionProxy__construct_trap__Object", 0xc },
+	{ "v8dbg_class_JSGlobalProxy__context__Object", 0xc },
+	{ "v8dbg_class_JSMessageObject__arguments__JSArray", 0x10 },
+	{ "v8dbg_class_JSMessageObject__end_position__SMI", 0x24 },
+	{ "v8dbg_class_JSMessageObject__script__Object", 0x14 },
+	{ "v8dbg_class_JSMessageObject__stack_frames__Object", 0x1c },
+	{ "v8dbg_class_JSMessageObject__stack_trace__Object", 0x18 },
+	{ "v8dbg_class_JSMessageObject__start_position__SMI", 0x20 },
+	{ "v8dbg_class_JSMessageObject__type__String", 0xc },
+	{ "v8dbg_class_JSObject__elements__Object", 0x8 },
+	{ "v8dbg_class_JSObject__properties__FixedArray", 0x4 },
+	{ "v8dbg_class_JSProxy__handler__Object", 0x4 },
+	{ "v8dbg_class_JSRegExp__data__Object", 0xc },
+	{ "v8dbg_class_JSValue__value__Object", 0xc },
+	{ "v8dbg_class_JSWeakMap__next__Object", 0x10 },
+	{ "v8dbg_class_JSWeakMap__table__ObjectHashTable", 0xc },
+	{ "v8dbg_class_Map__code_cache__Object", 0x18 },
+	{ "v8dbg_class_Map__constructor__Object", 0x10 },
+	{ "v8dbg_class_Map__inobject_properties__int", 0x5 },
+	{ "v8dbg_class_Map__instance_attributes__int", 0x8 },
+	{ "v8dbg_class_Map__instance_descriptors__FixedArray", 0x14 },
+	{ "v8dbg_class_Map__instance_size__int", 0x4 },
+	{ "v8dbg_class_Map__prototype_transitions__FixedArray", 0x1c },
+	{ "v8dbg_class_ObjectTemplateInfo__constructor__Object", 0xc },
+	{ "v8dbg_class_ObjectTemplateInfo__internal_field_count__Object",
+		0x10 },
+	{ "v8dbg_class_Oddball__to_number__Object", 0x8 },
+	{ "v8dbg_class_Oddball__to_string__String", 0x4 },
+	{ "v8dbg_class_PolymorphicCodeCache__cache__Object", 0x4 },
+	{ "v8dbg_class_Script__column_offset__Smi", 0x10 },
+	{ "v8dbg_class_Script__compilation_type__Smi", 0x24 },
+	{ "v8dbg_class_Script__context_data__Object", 0x18 },
+	{ "v8dbg_class_Script__data__Object", 0x14 },
+	{ "v8dbg_class_Script__eval_from_instructions_offset__Smi", 0x34 },
+	{ "v8dbg_class_Script__eval_from_shared__Object", 0x30 },
+	{ "v8dbg_class_Script__id__Object", 0x2c },
+	{ "v8dbg_class_Script__line_ends__Object", 0x28 },
+	{ "v8dbg_class_Script__line_offset__Smi", 0xc },
+	{ "v8dbg_class_Script__name__Object", 0x8 },
+	{ "v8dbg_class_Script__source__Object", 0x4 },
+	{ "v8dbg_class_Script__type__Smi", 0x20 },
+	{ "v8dbg_class_Script__wrapper__Foreign", 0x1c },
+	{ "v8dbg_class_SeqAsciiString__chars__char", 0xc },
+	{ "v8dbg_class_SharedFunctionInfo__code__Code", 0x8 },
+	{ "v8dbg_class_SharedFunctionInfo__compiler_hints__SMI", 0x50 },
+	{ "v8dbg_class_SharedFunctionInfo__construct_stub__Code", 0x10 },
+	{ "v8dbg_class_SharedFunctionInfo__debug_info__Object", 0x20 },
+	{ "v8dbg_class_SharedFunctionInfo__end_position__SMI", 0x48 },
+	{ "v8dbg_class_SharedFunctionInfo__expected_nof_properties__SMI",
+		0x3c },
+	{ "v8dbg_class_SharedFunctionInfo__formal_parameter_count__SMI", 0x38 },
+	{ "v8dbg_class_SharedFunctionInfo__function_data__Object", 0x18 },
+	{ "v8dbg_class_SharedFunctionInfo__function_token_position__SMI",
+		0x4c },
+	{ "v8dbg_class_SharedFunctionInfo__inferred_name__String", 0x24 },
+	{ "v8dbg_class_SharedFunctionInfo__initial_map__Object", 0x28 },
+	{ "v8dbg_class_SharedFunctionInfo__instance_class_name__Object", 0x14 },
+	{ "v8dbg_class_SharedFunctionInfo__length__SMI", 0x34 },
+	{ "v8dbg_class_SharedFunctionInfo__name__Object", 0x4 },
+	{ "v8dbg_class_SharedFunctionInfo__num_literals__SMI", 0x40 },
+	{ "v8dbg_class_SharedFunctionInfo__opt_count__SMI", 0x58 },
+	{ "v8dbg_class_SharedFunctionInfo__script__Object", 0x1c },
+	{ "v8dbg_class_SharedFunctionInfo__"
+		"start_position_and_type__SMI", 0x44 },
+	{ "v8dbg_class_SharedFunctionInfo__"
+		"this_property_assignments__Object", 0x2c },
+	{ "v8dbg_class_SharedFunctionInfo__"
+		"this_property_assignments_count__SMI", 0x54 },
+	{ "v8dbg_class_SignatureInfo__args__Object", 0x8 },
+	{ "v8dbg_class_SignatureInfo__receiver__Object", 0x4 },
+	{ "v8dbg_class_SlicedString__offset__SMI", 0x10 },
+	{ "v8dbg_class_String__length__SMI", 0x4 },
+	{ "v8dbg_class_TemplateInfo__property_list__Object", 0x8 },
+	{ "v8dbg_class_TemplateInfo__tag__Object", 0x4 },
+	{ "v8dbg_class_TypeSwitchInfo__types__Object", 0x4 },
+
+	{ "v8dbg_parent_AccessCheckInfo__Struct", 0x0 },
+	{ "v8dbg_parent_AccessorInfo__Struct", 0x0 },
+	{ "v8dbg_parent_BreakPointInfo__Struct", 0x0 },
+	{ "v8dbg_parent_ByteArray__FixedArrayBase", 0x0 },
+	{ "v8dbg_parent_CallHandlerInfo__Struct", 0x0 },
+	{ "v8dbg_parent_Code__HeapObject", 0x0 },
+	{ "v8dbg_parent_CodeCache__Struct", 0x0 },
+	{ "v8dbg_parent_ConsString__String", 0x0 },
+	{ "v8dbg_parent_DebugInfo__Struct", 0x0 },
+	{ "v8dbg_parent_DeoptimizationInputData__FixedArray", 0x0 },
+	{ "v8dbg_parent_DeoptimizationOutputData__FixedArray", 0x0 },
+	{ "v8dbg_parent_DescriptorArray__FixedArray", 0x0 },
+	{ "v8dbg_parent_ExternalArray__FixedArrayBase", 0x0 },
+	{ "v8dbg_parent_ExternalAsciiString__ExternalString", 0x0 },
+	{ "v8dbg_parent_ExternalByteArray__ExternalArray", 0x0 },
+	{ "v8dbg_parent_ExternalDoubleArray__ExternalArray", 0x0 },
+	{ "v8dbg_parent_ExternalFloatArray__ExternalArray", 0x0 },
+	{ "v8dbg_parent_ExternalIntArray__ExternalArray", 0x0 },
+	{ "v8dbg_parent_ExternalPixelArray__ExternalArray", 0x0 },
+	{ "v8dbg_parent_ExternalShortArray__ExternalArray", 0x0 },
+	{ "v8dbg_parent_ExternalString__String", 0x0 },
+	{ "v8dbg_parent_ExternalTwoByteString__ExternalString", 0x0 },
+	{ "v8dbg_parent_ExternalUnsignedByteArray__ExternalArray", 0x0 },
+	{ "v8dbg_parent_ExternalUnsignedIntArray__ExternalArray", 0x0 },
+	{ "v8dbg_parent_ExternalUnsignedShortArray__ExternalArray", 0x0 },
+	{ "v8dbg_parent_Failure__MaybeObject", 0x0 },
+	{ "v8dbg_parent_FixedArray__FixedArrayBase", 0x0 },
+	{ "v8dbg_parent_FixedArrayBase__HeapObject", 0x0 },
+	{ "v8dbg_parent_FixedDoubleArray__FixedArrayBase", 0x0 },
+	{ "v8dbg_parent_Foreign__HeapObject", 0x0 },
+	{ "v8dbg_parent_FunctionTemplateInfo__TemplateInfo", 0x0 },
+	{ "v8dbg_parent_GlobalObject__JSObject", 0x0 },
+	{ "v8dbg_parent_HashTable__FixedArray", 0x0 },
+	{ "v8dbg_parent_HeapNumber__HeapObject", 0x0 },
+	{ "v8dbg_parent_HeapObject__Object", 0x0 },
+	{ "v8dbg_parent_InterceptorInfo__Struct", 0x0 },
+	{ "v8dbg_parent_JSArray__JSObject", 0x0 },
+	{ "v8dbg_parent_JSBuiltinsObject__GlobalObject", 0x0 },
+	{ "v8dbg_parent_JSFunction__JSObject", 0x0 },
+	{ "v8dbg_parent_JSFunctionProxy__JSProxy", 0x0 },
+	{ "v8dbg_parent_JSFunctionResultCache__FixedArray", 0x0 },
+	{ "v8dbg_parent_JSGlobalObject__GlobalObject", 0x0 },
+	{ "v8dbg_parent_JSGlobalPropertyCell__HeapObject", 0x0 },
+	{ "v8dbg_parent_JSMessageObject__JSObject", 0x0 },
+	{ "v8dbg_parent_JSObject__JSReceiver", 0x0 },
+	{ "v8dbg_parent_JSProxy__JSReceiver", 0x0 },
+	{ "v8dbg_parent_JSReceiver__HeapObject", 0x0 },
+	{ "v8dbg_parent_JSRegExp__JSObject", 0x0 },
+	{ "v8dbg_parent_JSRegExpResult__JSArray", 0x0 },
+	{ "v8dbg_parent_JSValue__JSObject", 0x0 },
+	{ "v8dbg_parent_JSWeakMap__JSObject", 0x0 },
+	{ "v8dbg_parent_Map__HeapObject", 0x0 },
+	{ "v8dbg_parent_NormalizedMapCache__FixedArray", 0x0 },
+	{ "v8dbg_parent_ObjectTemplateInfo__TemplateInfo", 0x0 },
+	{ "v8dbg_parent_Oddball__HeapObject", 0x0 },
+	{ "v8dbg_parent_PolymorphicCodeCache__Struct", 0x0 },
+	{ "v8dbg_parent_Script__Struct", 0x0 },
+	{ "v8dbg_parent_SeqAsciiString__SeqString", 0x0 },
+	{ "v8dbg_parent_SeqString__String", 0x0 },
+	{ "v8dbg_parent_SeqTwoByteString__SeqString", 0x0 },
+	{ "v8dbg_parent_SharedFunctionInfo__HeapObject", 0x0 },
+	{ "v8dbg_parent_SignatureInfo__Struct", 0x0 },
+	{ "v8dbg_parent_SlicedString__String", 0x0 },
+	{ "v8dbg_parent_Smi__Object", 0x0 },
+	{ "v8dbg_parent_String__HeapObject", 0x0 },
+	{ "v8dbg_parent_Struct__HeapObject", 0x0 },
+	{ "v8dbg_parent_TemplateInfo__Struct", 0x0 },
+	{ "v8dbg_parent_TypeSwitchInfo__Struct", 0x0 },
+
+	{ "v8dbg_frametype_ArgumentsAdaptorFrame", 0x8 },
+	{ "v8dbg_frametype_ConstructFrame", 0x7 },
+	{ "v8dbg_frametype_EntryConstructFrame", 0x2 },
+	{ "v8dbg_frametype_EntryFrame", 0x1 },
+	{ "v8dbg_frametype_ExitFrame", 0x3 },
+	{ "v8dbg_frametype_InternalFrame", 0x6 },
+	{ "v8dbg_frametype_JavaScriptFrame", 0x4 },
+	{ "v8dbg_frametype_OptimizedFrame", 0x5 },
+
+	{ "v8dbg_off_fp_args", 0x8 },
+	{ "v8dbg_off_fp_context", -0x4 },
+	{ "v8dbg_off_fp_function", -0x8 },
+	{ "v8dbg_off_fp_marker", -0x8 },
+
+	{ "v8dbg_prop_idx_content", 0x1 },
+	{ "v8dbg_prop_idx_first", 0x3 },
+	{ "v8dbg_prop_type_field", 0x1 },
+	{ "v8dbg_prop_type_first_phantom", 0x6 },
+	{ "v8dbg_prop_type_mask", 0xf },
+
+	{ "v8dbg_AsciiStringTag", 0x4 },
+	{ "v8dbg_PointerSizeLog2", 0x2 },
+	{ "v8dbg_SeqStringTag", 0x0 },
+	{ "v8dbg_SmiTag", 0x0 },
+	{ "v8dbg_SmiTagMask", 0x1 },
+	{ "v8dbg_SmiValueShift", 0x1 },
+	{ "v8dbg_StringEncodingMask", 0x4 },
+	{ "v8dbg_StringRepresentationMask", 0x3 },
+	{ "v8dbg_StringTag", 0x0 },
+	{ "v8dbg_TwoByteStringTag", 0x0 },
+	{ "v8dbg_ConsStringTag", 0x1 },
+	{ "v8dbg_ExternalStringTag", 0x2 },
+	{ "v8dbg_FailureTag", 0x3 },
+	{ "v8dbg_FailureTagMask", 0x3 },
+	{ "v8dbg_FirstNonstringType", 0x80 },
+	{ "v8dbg_HeapObjectTag", 0x1 },
+	{ "v8dbg_HeapObjectTagMask", 0x3 },
+	{ "v8dbg_IsNotStringMask", 0x80 },
+	{ "v8dbg_NotStringTag", 0x80 },
+
+	{ NULL },
+};
+
+v8_cfg_t v8_cfg_04 = { "node-0.4", "node v0.4", v8_symbols_node_04,
+    v8cfg_canned_iter, v8cfg_canned_readsym };
+
+v8_cfg_t v8_cfg_06 = { "node-0.6", "node v0.6", v8_symbols_node_06,
+    v8cfg_canned_iter, v8cfg_canned_readsym };
+
+v8_cfg_t *v8_cfgs[] = {
+	&v8_cfg_04,
+	&v8_cfg_06,
+	NULL
+};
+
+v8_cfg_t v8_cfg_target = { NULL, NULL, NULL, v8cfg_target_iter,
+	v8cfg_target_readsym };
diff --git a/usr/src/cmd/mdb/common/modules/v8/v8cfg.h b/usr/src/cmd/mdb/common/modules/v8/v8cfg.h
new file mode 100644
index 0000000000..9e722b0e2b
--- /dev/null
+++ b/usr/src/cmd/mdb/common/modules/v8/v8cfg.h
@@ -0,0 +1,55 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ */
+
+/*
+ * v8cfg.h: canned configurations for previous V8 versions
+ */
+
+#ifndef V8CFG_H
+#define	V8CFG_H
+
+#include <sys/types.h>
+#include <sys/mdb_modapi.h>
+
+typedef struct {
+	const char 	*v8cs_name;	/* symbol name */
+	intptr_t	v8cs_value;	/* symbol value */
+} v8_cfg_symbol_t;
+
+typedef struct v8_cfg {
+	const char 	*v8cfg_name;	/* canned config name */
+	const char 	*v8cfg_label;	/* description */
+	v8_cfg_symbol_t	*v8cfg_symbols;	/* actual symbol values */
+
+	int (*v8cfg_iter)(struct v8_cfg *, int (*)(mdb_symbol_t *, void *),
+	    void *);
+	int (*v8cfg_readsym)(struct v8_cfg *, const char *, intptr_t *);
+} v8_cfg_t;
+
+extern v8_cfg_t v8_cfg_04;
+extern v8_cfg_t v8_cfg_06;
+extern v8_cfg_t v8_cfg_target;
+extern v8_cfg_t *v8_cfgs[];
+
+#endif /* V8CFG_H */
diff --git a/usr/src/cmd/mdb/common/modules/v8/v8dbg.h b/usr/src/cmd/mdb/common/modules/v8/v8dbg.h
new file mode 100644
index 0000000000..b17f241fac
--- /dev/null
+++ b/usr/src/cmd/mdb/common/modules/v8/v8dbg.h
@@ -0,0 +1,91 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
+ */
+
+/*
+ * v8dbg.h: macros for use by V8 heap inspection tools.  The consumer must
+ * define values for various tags and shifts.  The MDB module gets these
+ * constants from information encoded in the binary itself.
+ */
+
+#ifndef _V8DBG_H
+#define	_V8DBG_H
+
+/*
+ * Recall that while V8 heap objects are always 4-byte aligned, heap object
+ * pointers always have the last bit set.  So when looking for a field nominally
+ * at offset X, one must be sure to clear the tag bit first.
+ */
+#define	V8_OFF_HEAP(x)			((x) - V8_HeapObjectTag)
+
+/*
+ * Determine whether a given pointer refers to a SMI, Failure, or HeapObject.
+ */
+#define	V8_IS_SMI(ptr)		(((ptr) & V8_SmiTagMask) == V8_SmiTag)
+#define	V8_IS_FAILURE(ptr)	(V8_FailureTagMask != -1 && \
+ V8_FailureTagMask != -1 && \
+ ((ptr) & V8_FailureTagMask) == V8_FailureTag)
+
+#define	V8_IS_HEAPOBJECT(ptr)	\
+	(((ptr) & V8_HeapObjectTagMask) == V8_HeapObjectTag)
+
+/*
+ * Extract the value of a SMI "pointer".  Recall that small integers are stored
+ * using the upper 31 bits.
+ */
+#define	V8_SMI_VALUE(smi)	((smi) >> (V8_SmiValueShift + V8_SmiShiftSize))
+#define	V8_VALUE_SMI(value)	\
+	((value) << (V8_SmiValueShift + V8_SmiShiftSize))
+
+/*
+ * Determine the encoding and representation of a V8 string.
+ */
+#define	V8_TYPE_STRING(type)	(((type) & V8_IsNotStringMask) == V8_StringTag)
+
+#define	V8_STRENC_ASCII(type)	\
+	(((type) & V8_StringEncodingMask) == V8_AsciiStringTag)
+
+#define	V8_STRREP_SEQ(type)	\
+	(((type) & V8_StringRepresentationMask) == V8_SeqStringTag)
+#define	V8_STRREP_CONS(type)	\
+	(((type) & V8_StringRepresentationMask) == V8_ConsStringTag)
+#define	V8_STRREP_SLICED(type)	\
+	(((type) & V8_StringRepresentationMask) == V8_SlicedStringTag)
+#define	V8_STRREP_EXT(type)	\
+	(((type) & V8_StringRepresentationMask) == V8_ExternalStringTag)
+
+/*
+ * Several of the following constants and transformations are hardcoded in V8 as
+ * well, so there's no way to extract them programmatically from the binary.
+ */
+#define	V8_DESC_KEYIDX(x)		((x) + V8_PROP_IDX_FIRST)
+#define	V8_DESC_VALIDX(x)		((x) << 1)
+#define	V8_DESC_DETIDX(x)		(((x) << 1) + 1)
+
+#define	V8_DESC_ISFIELD(x)		\
+	((V8_SMI_VALUE(x) & V8_PROP_TYPE_MASK) == V8_PROP_TYPE_FIELD)
+
+#define	V8_PROP_FIELDINDEX(value)	\
+	((V8_SMI_VALUE(value) & V8_FIELDINDEX_MASK) >> V8_FIELDINDEX_SHIFT)
+
+#endif /* _V8DBG_H */
diff --git a/usr/src/cmd/mdb/i86pc/modules/unix/amd64/Makefile b/usr/src/cmd/mdb/i86pc/modules/unix/amd64/Makefile
index 8d36fb01e5..26afa1c288 100644
--- a/usr/src/cmd/mdb/i86pc/modules/unix/amd64/Makefile
+++ b/usr/src/cmd/mdb/i86pc/modules/unix/amd64/Makefile
@@ -27,6 +27,7 @@ MODULE = unix.so
 MDBTGT = kvm
 
 MODSRCS = unix.c i86mmu.c
+MODASMSRCS = unix_sup.s
 
 include ../../../../../Makefile.cmd
 include ../../../../../Makefile.cmd.64
diff --git a/usr/src/cmd/mdb/i86pc/modules/unix/ia32/Makefile b/usr/src/cmd/mdb/i86pc/modules/unix/ia32/Makefile
index ad756f82e9..2c76a010bd 100644
--- a/usr/src/cmd/mdb/i86pc/modules/unix/ia32/Makefile
+++ b/usr/src/cmd/mdb/i86pc/modules/unix/ia32/Makefile
@@ -27,6 +27,7 @@ MODULE = unix.so
 MDBTGT = kvm
 
 MODSRCS = unix.c i86mmu.c
+MODASMSRCS = unix_sup.s
 
 include ../../../../../Makefile.cmd
 include ../../../../intel/Makefile.ia32
diff --git a/usr/src/cmd/mdb/i86pc/modules/unix/unix.c b/usr/src/cmd/mdb/i86pc/modules/unix/unix.c
index d774cde91f..df497760d9 100644
--- a/usr/src/cmd/mdb/i86pc/modules/unix/unix.c
+++ b/usr/src/cmd/mdb/i86pc/modules/unix/unix.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #include <mdb/mdb_modapi.h>
@@ -35,7 +36,11 @@
 #include <sys/mutex.h>
 #include <sys/mutex_impl.h>
 #include "i86mmu.h"
+#include "unix_sup.h"
 #include <sys/apix.h>
+#include <sys/x86_archext.h>
+#include <sys/bitmap.h>
+#include <sys/controlregs.h>
 
 #define	TT_HDLR_WIDTH	17
 
@@ -745,6 +750,184 @@ ptable_help(void)
 	    "-m Interpret the PFN as an MFN (machine frame number)\n");
 }
 
+/*
+ * NSEC_SHIFT is replicated here (it is not defined in a header file),
+ * but for amusement, the reader is directed to the comment that explains
+ * the rationale for this particular value on x86.  Spoiler:  the value is
+ * selected to accommodate 60 MHz Pentiums!  (And a confession:  if the voice
+ * in that comment sounds too familiar, it's because your author also wrote
+ * that code -- some fifteen years prior to this writing in 2011...)
+ */
+#define	NSEC_SHIFT 5
+
+/*ARGSUSED*/
+static int
+scalehrtime_cmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	uint32_t nsec_scale;
+	hrtime_t tsc = addr, hrt;
+	unsigned int *tscp = (unsigned int *)&tsc;
+	uintptr_t scalehrtimef;
+	uint64_t scale;
+	GElf_Sym sym;
+
+	if (!(flags & DCMD_ADDRSPEC)) {
+		if (argc != 1)
+			return (DCMD_USAGE);
+
+		switch (argv[0].a_type) {
+		case MDB_TYPE_STRING:
+			tsc = mdb_strtoull(argv[0].a_un.a_str);
+			break;
+		case MDB_TYPE_IMMEDIATE:
+			tsc = argv[0].a_un.a_val;
+			break;
+		default:
+			return (DCMD_USAGE);
+		}
+	}
+
+	if (mdb_readsym(&scalehrtimef,
+	    sizeof (scalehrtimef), "scalehrtimef") == -1) {
+		mdb_warn("couldn't read 'scalehrtimef'");
+		return (DCMD_ERR);
+	}
+
+	if (mdb_lookup_by_name("tsc_scalehrtime", &sym) == -1) {
+		mdb_warn("couldn't find 'tsc_scalehrtime'");
+		return (DCMD_ERR);
+	}
+
+	if (sym.st_value != scalehrtimef) {
+		mdb_warn("::scalehrtime requires that scalehrtimef "
+		    "be set to tsc_scalehrtime\n");
+		return (DCMD_ERR);
+	}
+
+	if (mdb_readsym(&nsec_scale, sizeof (nsec_scale), "nsec_scale") == -1) {
+		mdb_warn("couldn't read 'nsec_scale'");
+		return (DCMD_ERR);
+	}
+
+	scale = (uint64_t)nsec_scale;
+
+	hrt = ((uint64_t)tscp[1] * scale) << NSEC_SHIFT;
+	hrt += ((uint64_t)tscp[0] * scale) >> (32 - NSEC_SHIFT);
+
+	mdb_printf("0x%llx\n", hrt);
+
+	return (DCMD_OK);
+}
+
+/*
+ * The x86 feature set is implemented as a bitmap array. That bitmap array is
+ * stored across a number of uchars based on the BT_SIZEOFMAP(NUM_X86_FEATURES)
+ * macro. We have the names for each of these features in unix's text segment
+ * so we do not have to duplicate them and instead just look them up.
+ */
+/*ARGSUSED*/
+static int
+x86_featureset_cmd(uintptr_t addr, uint_t flags, int argc,
+    const mdb_arg_t *argv)
+{
+	uchar_t *fset;
+	GElf_Sym sym;
+	uintptr_t nptr;
+	char name[128];
+	int ii;
+
+	size_t sz = sizeof (uchar_t) * BT_SIZEOFMAP(NUM_X86_FEATURES);
+
+	if (argc != 0)
+		return (DCMD_USAGE);
+
+	if (mdb_lookup_by_name("x86_feature_names", &sym) == -1) {
+		mdb_warn("couldn't find x86_feature_names");
+		return (DCMD_ERR);
+	}
+
+	fset = mdb_zalloc(sz, UM_NOSLEEP);
+	if (fset == NULL) {
+		mdb_warn("failed to allocate memory for x86_featureset");
+		return (DCMD_ERR);
+	}
+
+	if (mdb_readvar(fset, "x86_featureset") != sz) {
+		mdb_warn("failed to read x86_featureset");
+		mdb_free(fset, sz);
+		return (DCMD_ERR);
+	}
+
+	for (ii = 0; ii < NUM_X86_FEATURES; ii++) {
+		if (!BT_TEST((ulong_t *)fset, ii))
+			continue;
+
+		if (mdb_vread(&nptr, sizeof (char *), sym.st_value +
+		    sizeof (void *) * ii) != sizeof (char *)) {
+			mdb_warn("failed to read feature array %d", ii);
+			mdb_free(fset, sz);
+			return (DCMD_ERR);
+		}
+
+		if (mdb_readstr(name, sizeof (name), nptr) == -1) {
+			mdb_warn("failed to read feature %d", ii);
+			mdb_free(fset, sz);
+			return (DCMD_ERR);
+		}
+		mdb_printf("%s\n", name);
+	}
+
+	mdb_free(fset, sz);
+	return (DCMD_OK);
+}
+
+#ifdef _KMDB
+static int
+crregs_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	ulong_t cr0, cr4;
+	static const mdb_bitmask_t cr0_flag_bits[] = {
+		{ "PE",		CR0_PE,		CR0_PE },
+		{ "MP",		CR0_MP,		CR0_MP },
+		{ "EM",		CR0_EM,		CR0_EM },
+		{ "TS",		CR0_TS,		CR0_TS },
+		{ "ET",		CR0_ET,		CR0_ET },
+		{ "NE",		CR0_NE,		CR0_NE },
+		{ "WP",		CR0_WP,		CR0_WP },
+		{ "AM",		CR0_AM,		CR0_AM },
+		{ "NW",		CR0_NW,		CR0_NW },
+		{ "CD",		CR0_CD,		CR0_CD },
+		{ "PG",		CR0_PG,		CR0_PG },
+		{ NULL,		0,		0 }
+	};
+
+	static const mdb_bitmask_t cr4_flag_bits[] = {
+		{ "VME",	CR4_VME,	CR4_VME },
+		{ "PVI",	CR4_PVI,	CR4_PVI },
+		{ "TSD",	CR4_TSD,	CR4_TSD },
+		{ "DE",		CR4_DE,		CR4_DE },
+		{ "PSE",	CR4_PSE,	CR4_PSE },
+		{ "PAE",	CR4_PAE,	CR4_PAE },
+		{ "MCE",	CR4_MCE,	CR4_MCE },
+		{ "PGE",	CR4_PGE,	CR4_PGE },
+		{ "PCE",	CR4_PCE,	CR4_PCE },
+		{ "OSFXSR",	CR4_OSFXSR,	CR4_OSFXSR },
+		{ "OSXMMEXCPT",	CR4_OSXMMEXCPT,	CR4_OSXMMEXCPT },
+		{ "VMXE",	CR4_VMXE,	CR4_VMXE },
+		{ "SMXE",	CR4_SMXE,	CR4_SMXE },
+		{ "OSXSAVE",	CR4_OSXSAVE,	CR4_OSXSAVE },
+		{ "SMEP",	CR4_SMEP,	CR4_SMEP },
+		{ NULL,		0,		0 }
+	};
+
+	cr0 = kmdb_unix_getcr0();
+	cr4 = kmdb_unix_getcr4();
+	mdb_printf("%%cr0 = 0x%08x <%b>\n", cr0, cr0, cr0_flag_bits);
+	mdb_printf("%%cr4 = 0x%08x <%b>\n", cr4, cr4, cr4_flag_bits);
+	return (DCMD_OK);
+}
+#endif
+
 static const mdb_dcmd_t dcmds[] = {
 	{ "gate_desc", ":", "dump a gate descriptor", gate_desc },
 	{ "idt", ":[-v]", "dump an IDT", idt },
@@ -765,6 +948,13 @@ static const mdb_dcmd_t dcmds[] = {
 	{ "mfntopfn", ":", "convert hypervisor machine page to physical page",
 	    mfntopfn_dcmd },
 	{ "memseg_list", ":", "show memseg list", memseg_list },
+	{ "scalehrtime", ":",
+	    "scale an unscaled high-res time", scalehrtime_cmd },
+	{ "x86_featureset", NULL, "dump the x86_featureset vector",
+		x86_featureset_cmd },
+#ifdef _KMDB
+	{ "crregs", NULL, "dump control registers", crregs_dcmd },
+#endif
 	{ NULL }
 };
 
diff --git a/usr/src/cmd/mdb/i86pc/modules/unix/unix_sup.h b/usr/src/cmd/mdb/i86pc/modules/unix/unix_sup.h
new file mode 100644
index 0000000000..b272baaf59
--- /dev/null
+++ b/usr/src/cmd/mdb/i86pc/modules/unix/unix_sup.h
@@ -0,0 +1,36 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _UNIX_SUP_H
+#define	_UNIX_SUP_H
+
+/*
+ * Support routines for unix.
+ */
+
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern ulong_t kmdb_unix_getcr0(void);
+extern ulong_t kmdb_unix_getcr4(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _UNIX_SUP_H */
diff --git a/usr/src/cmd/mdb/i86pc/modules/unix/unix_sup.s b/usr/src/cmd/mdb/i86pc/modules/unix/unix_sup.s
new file mode 100644
index 0000000000..5f97c78f71
--- /dev/null
+++ b/usr/src/cmd/mdb/i86pc/modules/unix/unix_sup.s
@@ -0,0 +1,62 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+	.file	"unix_sup.s"
+
+/*
+ * Support routines for the unix kmdb module
+ */
+
+#include <sys/asm_linkage.h>
+
+#if defined(__lint)
+
+#include <sys/types.h>
+
+ulong_t
+kmdb_unix_getcr0(void)
+{ return (0); }
+
+ulong_t
+kmdb_unix_getcr4(void)
+{ return (0); }
+
+#else	/* __lint */
+
+#if defined(__amd64)
+	ENTRY(kmdb_unix_getcr0)
+	movq %cr0, %rax
+	ret
+	SET_SIZE(kmdb_unix_getcr0)
+
+	ENTRY(kmdb_unix_getcr4)
+	movq %cr4, %rax
+	ret
+	SET_SIZE(kmdb_unix_getcr4)
+
+#elif defined (__i386)
+	ENTRY(kmdb_unix_getcr0)
+	movl %cr0, %eax
+	ret
+	SET_SIZE(kmdb_unix_getcr0)
+
+	ENTRY(kmdb_unix_getcr4)
+	movl %cr4, %eax
+	ret
+	SET_SIZE(kmdb_unix_getcr4)
+
+#endif	/* __i386 */
+
+#endif /* __lint */
diff --git a/usr/src/cmd/mdb/i86xpv/modules/unix/amd64/Makefile b/usr/src/cmd/mdb/i86xpv/modules/unix/amd64/Makefile
index dd8ea3d585..95922ff772 100644
--- a/usr/src/cmd/mdb/i86xpv/modules/unix/amd64/Makefile
+++ b/usr/src/cmd/mdb/i86xpv/modules/unix/amd64/Makefile
@@ -27,6 +27,7 @@ MODULE = unix.so
 MDBTGT = kvm
 
 MODSRCS = unix.c i86mmu.c
+MODASMSRCS = unix_sup.s
 
 include ../../../../../Makefile.cmd
 include ../../../../../Makefile.cmd.64
diff --git a/usr/src/cmd/mdb/i86xpv/modules/unix/ia32/Makefile b/usr/src/cmd/mdb/i86xpv/modules/unix/ia32/Makefile
index fd0ad9ee04..975ae705dc 100644
--- a/usr/src/cmd/mdb/i86xpv/modules/unix/ia32/Makefile
+++ b/usr/src/cmd/mdb/i86xpv/modules/unix/ia32/Makefile
@@ -27,6 +27,7 @@ MODULE = unix.so
 MDBTGT = kvm
 
 MODSRCS = unix.c i86mmu.c
+MODASMSRCS = unix_sup.s
 
 include ../../../../../Makefile.cmd
 include ../../../../intel/Makefile.ia32
diff --git a/usr/src/cmd/mdb/intel/amd64/libumem/Makefile b/usr/src/cmd/mdb/intel/amd64/libumem/Makefile
index 704ff65873..ae22217a1b 100644
--- a/usr/src/cmd/mdb/intel/amd64/libumem/Makefile
+++ b/usr/src/cmd/mdb/intel/amd64/libumem/Makefile
@@ -22,6 +22,7 @@
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
+# Copyright (c) 2012 Joyent, Inc. All rights reserved.
 
 MODULE = libumem.so
 MDBTGT = proc
diff --git a/usr/src/cmd/mdb/intel/amd64/v8/Makefile b/usr/src/cmd/mdb/intel/amd64/v8/Makefile
new file mode 100644
index 0000000000..cf74ba1d1c
--- /dev/null
+++ b/usr/src/cmd/mdb/intel/amd64/v8/Makefile
@@ -0,0 +1,45 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright (c) 2011, Joyent, Inc. All rights reserved.
+#
+
+MODULE = v8.so
+MDBTGT = proc
+
+MODSRCS_DIR = ../../../common/modules/v8
+
+MODSRCS = mdb_v8.c mdb_v8_cfg.c
+
+include ../../../../Makefile.cmd
+include ../../../../Makefile.cmd.64
+include ../../Makefile.amd64
+include ../../../Makefile.module
+
+dmod/$(MODULE) := LDLIBS += -lproc -lavl
+
+%.o: $(MODSRCS_DIR)/%.c
+	$(COMPILE.c) $<
+	$(CTFCONVERT_O)
+
+%.ln: $(MODSRCS_DIR)/%.c
+	$(LINT.c) -c $<
diff --git a/usr/src/cmd/mdb/intel/ia32/libumem/Makefile b/usr/src/cmd/mdb/intel/ia32/libumem/Makefile
index a1ab338f40..bde1be90ac 100644
--- a/usr/src/cmd/mdb/intel/ia32/libumem/Makefile
+++ b/usr/src/cmd/mdb/intel/ia32/libumem/Makefile
@@ -22,6 +22,7 @@
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
+# Copyright (c) 2012 Joyent, Inc. All rights reserved.
 
 MODULE = libumem.so
 MDBTGT = proc
diff --git a/usr/src/cmd/mdb/intel/ia32/v8/Makefile b/usr/src/cmd/mdb/intel/ia32/v8/Makefile
new file mode 100644
index 0000000000..c84532289e
--- /dev/null
+++ b/usr/src/cmd/mdb/intel/ia32/v8/Makefile
@@ -0,0 +1,44 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright (c) 2011, Joyent, Inc. All rights reserved.
+#
+
+MODULE = v8.so
+MDBTGT = proc
+
+MODSRCS_DIR = ../../../common/modules/v8
+
+MODSRCS = mdb_v8.c mdb_v8_cfg.c
+
+include ../../../../Makefile.cmd
+include ../../Makefile.ia32
+include ../../../Makefile.module
+
+dmod/$(MODULE) := LDLIBS += -lproc -lavl
+
+%.o: $(MODSRCS_DIR)/%.c
+	$(COMPILE.c) $<
+	$(CTFCONVERT_O)
+
+%.ln: $(MODSRCS_DIR)/%.c
+	$(LINT.c) -c $<
diff --git a/usr/src/cmd/mdb/sparc/v7/libumem/Makefile b/usr/src/cmd/mdb/sparc/v7/libumem/Makefile
index 906d05d5ea..0488e6739a 100644
--- a/usr/src/cmd/mdb/sparc/v7/libumem/Makefile
+++ b/usr/src/cmd/mdb/sparc/v7/libumem/Makefile
@@ -22,6 +22,7 @@
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
+# Copyright (c) 2012 Joyent, Inc. All rights reserved.
 
 MODULE = libumem.so
 MDBTGT = proc
diff --git a/usr/src/cmd/mdb/sparc/v9/libumem/Makefile b/usr/src/cmd/mdb/sparc/v9/libumem/Makefile
index 09ea0473c6..87ce977423 100644
--- a/usr/src/cmd/mdb/sparc/v9/libumem/Makefile
+++ b/usr/src/cmd/mdb/sparc/v9/libumem/Makefile
@@ -22,6 +22,7 @@
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
+# Copyright (c) 2012 Joyent, Inc. All rights reserved.
 
 MODULE = libumem.so
 MDBTGT = proc
diff --git a/usr/src/cmd/mdb/test/mtest.sh b/usr/src/cmd/mdb/test/mtest.sh
index f21d0faa21..f21d0faa21 100644..100755
--- a/usr/src/cmd/mdb/test/mtest.sh
+++ b/usr/src/cmd/mdb/test/mtest.sh
diff --git a/usr/src/cmd/mdb/test/typedef/tst.dellist.mdb.out b/usr/src/cmd/mdb/test/typedef/tst.dellist.mdb.out
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/usr/src/cmd/mdb/test/typedef/tst.dellist.mdb.out
diff --git a/usr/src/cmd/mdb/test/typedef/tst.emptylist.mdb.out b/usr/src/cmd/mdb/test/typedef/tst.emptylist.mdb.out
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/usr/src/cmd/mdb/test/typedef/tst.emptylist.mdb.out
diff --git a/usr/src/cmd/nicstat/Makefile b/usr/src/cmd/nicstat/Makefile
new file mode 100644
index 0000000000..935011119a
--- /dev/null
+++ b/usr/src/cmd/nicstat/Makefile
@@ -0,0 +1,31 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2013 Joyent, Inc.  All rights reserved.
+#
+
+PROG =	nicstat
+
+include ../Makefile.cmd
+
+all: $(PROG)
+
+install: all .WAIT $(ROOTPROG)
+
+clean:
+
+$(ROOTBINPROG): $(PROG)
+	$(INS.file)
+
+lint:
+
+include ../Makefile.targ
diff --git a/usr/src/cmd/nicstat/nicstat.pl b/usr/src/cmd/nicstat/nicstat.pl
new file mode 100644
index 0000000000..fae4c797df
--- /dev/null
+++ b/usr/src/cmd/nicstat/nicstat.pl
@@ -0,0 +1,424 @@
+#!/usr/perl5/bin/perl -w
+#
+# nicstat - print network traffic, Kbyte/s read and written. 
+#           Solaris 8+, Perl (Sun::Solaris::Kstat).
+#
+# "netstat -i" only gives a packet count, this program gives Kbytes.
+#
+# 04-Apr-2011, ver 1.00J
+#
+# USAGE:    nicstat [-hsz] [-i int[,int...]] | [interval [count]]
+#
+#           -h              # help
+#           -s              # print summary output
+#           -z              # skip zero lines
+#           -i int[,int...] # print these instances only
+#   eg,
+#           nicstat         # print summary since boot
+#           nicstat 1       # print continually, every 1 second
+#           nicstat 1 5     # print 5 times, every 1 second
+#           nicstat -i hme0 # only examine hme0
+#
+# This prints out the KB/s transferred for all the network cards (NICs),
+# including packet counts and average sizes. The first line is the summary
+# data since boot.
+#
+# FIELDS:
+#           Int         Interface
+#           rKB/s       read Kbytes/s
+#           wKB/s       write Kbytes/s
+#           rPk/s       read Packets/s
+#           wPk/s       write Packets/s
+#           rAvs        read Average size, bytes
+#           wAvs        write Average size, bytes
+#           %Util       %Utilisation (r or w/ifspeed)
+#           Sat         Saturation (defer, nocanput, norecvbuf, noxmtbuf)
+#
+# NOTES:
+#
+# - Some unusual network cards may not provide all the details to Kstat,
+#   (or provide different symbols). Check for newer versions of this program,
+#   and the @Network array in the code below.
+# - Utilisation is based on bytes transferred divided by speed of the interface
+#   (if the speed is known). It should be impossible to reach 100% as there
+#   are overheads due to bus negotiation and timing.
+# - Loopback interfaces may only provide packet counts (if anything), and so
+#   bytes and %util will always be zero. Newer versions of Solaris (newer than
+#   Solaris 10 6/06) may provide loopback byte stats.
+# - Saturation is determined by counting read and write errors caused by the 
+#   interface running at saturation. This approach is not ideal, and the value
+#   reported is often lower than it should be (eg, 0.0). Reading the rKB/s and
+#   wKB/s fields may be more useful.
+#
+# SEE ALSO:
+#           nicstat.c       # the C version, also on my website
+#           kstat -n hme0 [interval [count]]       # or qfe0, ...
+#           netstat -iI hme0 [interval [count]]
+#           se netstat.se [interval]               # SE Toolkit
+#           se nx.se [interval]                    # SE Toolkit
+#
+# COPYRIGHT: Copyright (c) 2013 Brendan Gregg.
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at docs/cddl1.txt or
+# http://opensource.org/licenses/CDDL-1.0.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at docs/cddl1.txt.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2015 Joyent, Inc. All rights reserved.
+#
+# Author: Brendan Gregg  [Sydney, Australia]
+#
+# 18-Jul-2004   Brendan Gregg   Created this.
+# 07-Jan-2005       "      "    added saturation value.
+# 07-Jan-2005       "      "    added summary style (from Peter Tribble).
+# 23-Jan-2006       "      "    Tweaked style.
+# 11-Aug-2006       "      "    Improved output neatness.
+# 30-Sep-2006       "      "    Added loopback, tweaked output.
+# 04-Apr-2011	brendan@joyent.com	Updated for smartmachines.
+
+use strict;
+use Getopt::Std;
+use Sun::Solaris::Kstat;
+my $Kstat = Sun::Solaris::Kstat->new();
+
+
+#
+#  Process command line args
+#
+usage() if defined $ARGV[0] and $ARGV[0] eq "--help";
+getopts('hi:sz') or usage();
+usage() if defined $main::opt_h;
+my $STYLE  = defined $main::opt_s ? $main::opt_s : 0;
+my $SKIPZERO  = defined $main::opt_z ? $main::opt_z : 0;
+
+# process [interval [count]],
+my ($interval, $loop_max);
+if (defined $ARGV[0]) {
+    $interval = $ARGV[0];
+    $loop_max = defined $ARGV[1] ? $ARGV[1] : 2**32;
+    usage() if $interval == 0;
+}
+else {
+    $interval = 1;
+    $loop_max = 1; 
+}
+
+# check for -i,
+my %NetworkOnly;             # network interfaces to print
+my $NETWORKONLY = 0;         # match on network interfaces
+if (defined $main::opt_i) {
+    foreach my $net (split /,/, $main::opt_i) {
+        $NetworkOnly{$net} = 1;
+    }
+    $NETWORKONLY = 1;
+}
+
+# globals,
+my $loop = 0;                # current loop number
+my $PAGESIZE = 20;           # max lines per header
+my $line = $PAGESIZE;        # counter for lines printed
+my %NetworkNames;            # Kstat network interfaces
+my %NetworkData;             # network interface data
+my %NetworkDataOld;          # network interface data
+$main::opt_h = 0;
+$| = 1;                      # autoflush
+
+# kstat "link" module includes:
+my @Network = qw(dmfe bge be bnx ce eri eth external ge hme igb ige internal ixgbe le net ppp qfe rtls);
+my %Network;
+$Network{$_} = 1 foreach (@Network);
+my $ZONENAME = `/usr/bin/zonename`;
+chomp $ZONENAME;
+
+### Determine network interfaces
+unless (find_nets()) {
+    if ($NETWORKONLY) {
+        print STDERR "ERROR1: $main::opt_i matched no network interfaces.\n";
+    }
+    else {
+        print STDERR "ERROR1: No network interfaces found!\n";
+    }
+    exit 1;
+}
+
+
+#
+#  Main
+#
+while (1) {
+
+    ### Print Header
+    if ($line >= $PAGESIZE) {
+        if ($STYLE == 0) {
+            printf "%8s %12s %7s %7s %7s %7s %7s %7s %6s %5s\n",
+                   "Time", "Int", "rKB/s", "wKB/s", "rPk/s", "wPk/s", "rAvs",
+                   "wAvs", "%Util", "Sat";
+        }
+        elsif ($STYLE == 1) {
+            printf "%8s %12s %14s %14s\n", "Time", "Int", "rKB/s", "wKB/s";
+        }
+
+        $line = 0;
+    }
+
+    ### Get new data
+    my (@NetworkData) = fetch_net_data();
+
+    foreach my $network_data (@NetworkData) {
+
+        ### Extract values
+        my ($int, $rbytes, $wbytes, $rpackets, $wpackets, $speed, $sat, $time)
+            = split /:/, $network_data;
+
+        ### Retrieve old values
+        my ($old_rbytes, $old_wbytes, $old_rpackets, $old_wpackets, $old_sat,
+            $old_time);
+        if (defined $NetworkDataOld{$int}) {
+            ($old_rbytes, $old_wbytes, $old_rpackets, $old_wpackets,
+             $old_sat, $old_time) = split /:/, $NetworkDataOld{$int};
+        }
+        else {
+            $old_rbytes = $old_wbytes = $old_rpackets = $old_wpackets
+                = $old_sat = $old_time = 0;
+        }
+
+        #
+        #  Calculate statistics
+        #
+
+        # delta time
+        my $tdiff = $time - $old_time;
+
+        # per second values
+        my $rbps = ($rbytes - $old_rbytes) / $tdiff;
+        my $wbps = ($wbytes - $old_wbytes) / $tdiff;
+        my $rkps = $rbps / 1024;
+        my $wkps = $wbps / 1024;
+        my $rpps = ($rpackets - $old_rpackets) / $tdiff;
+        my $wpps = ($wpackets - $old_wpackets) / $tdiff;
+        my $ravs = $rpps > 0 ? $rbps / $rpps : 0;
+        my $wavs = $wpps > 0 ? $wbps / $wpps : 0;
+
+        # skip zero lines if asked
+        next if $SKIPZERO and ($rbps + $wbps) == 0;
+        
+        # % utilisation
+        my $util;
+        if ($speed > 0) {
+            # the following has a mysterious "800", it is 100 
+            # for the % conversion, and 8 for bytes2bits.
+            my $rutil = $rbps * 800 / $speed;
+            my $wutil = $wbps * 800 / $speed;
+            $util = $rutil > $wutil ? $rutil : $wutil;
+            $util = 100 if $util > 100;
+        }
+        else {
+            $util = 0;
+        }
+
+        # saturation per sec
+        my $sats = ($sat - $old_sat) / $tdiff;
+
+        #
+        #  Print statistics
+        #
+        if ($rbps ne "") {
+            my @Time = localtime();
+
+            if ($STYLE == 0) {
+                printf "%02d:%02d:%02d %12s ",
+                       $Time[2], $Time[1], $Time[0], $int;
+                print_neat($rkps);
+                print_neat($wkps);
+                print_neat($rpps);
+                print_neat($wpps);
+                print_neat($ravs);
+                print_neat($wavs);
+                printf "%6.2f %5.2f\n", $util, $sats;
+            }
+            elsif ($STYLE == 1) {
+                printf "%02d:%02d:%02d %12s %14.3f %14.3f\n",
+                       $Time[2], $Time[1], $Time[0], $int, $rkps, $wkps;
+            }
+
+            $line++;
+
+            # for multiple interfaces, always print the header
+            $line += $PAGESIZE if @NetworkData > 1;
+        }
+
+        ### Store old values
+        $NetworkDataOld{$int}
+            = "$rbytes:$wbytes:$rpackets:$wpackets:$sat:$time";
+    }
+
+    ### Check for end
+    last if ++$loop == $loop_max;
+
+    ### Interval
+    sleep $interval;
+}
+
+
+# find_nets - walk Kstat to discover network interfaces.
+#
+# This walks %Kstat and populates a %NetworkNames with discovered
+# network interfaces.
+#
+sub find_nets {
+    my $found = 0;
+
+    ### Loop over all Kstat modules
+    foreach my $module (keys %$Kstat) {
+        my $Modules = $Kstat->{$module};
+
+        foreach my $instance (keys %$Modules) {
+            my $Instances = $Modules->{$instance};
+
+            foreach my $name (keys %$Instances) {
+
+                ### Skip interface if asked
+                if ($NETWORKONLY) {
+                    next unless $NetworkOnly{$name};
+                }
+
+                my $Names = $Instances->{$name};
+
+                # Check this is a network device.
+                # Matching on ifspeed has been more reliable than "class"
+                # we also match loopback and "link" interfaces.
+                if (defined $$Names{ifspeed} || $module eq "lo"
+                    || $module eq "link") {
+                    next if $name eq "mac";
+                    if ($module eq "link") {
+                        my $nname = $name;
+                        $nname =~ s/\d+$//;
+                        next unless defined $Network{$nname}
+                                    or $ZONENAME eq $nname
+                                    or $ZONENAME eq "global";
+                    }
+                    ### Save network interface
+                    $NetworkNames{$name} = $Names;
+                    $found++;
+                }
+            }
+        }
+    }
+
+    return $found;
+}
+
+# fetch - fetch Kstat data for the network interfaces.
+#
+# This uses the interfaces in %NetworkNames and returns useful Kstat data.
+# The Kstat values used are rbytes64, obytes64, ipackets64, opackets64
+# (or the 32 bit versions if the 64 bit values are not there).
+#
+sub fetch_net_data {
+    my ($rbytes, $wbytes, $rpackets, $wpackets, $speed, $time);
+    my @NetworkData = ();
+
+    $Kstat->update();
+
+    ### Loop over previously found network interfaces
+    foreach my $name (sort keys %NetworkNames) {
+        my $Names = $NetworkNames{$name};
+
+        if (defined $$Names{opackets}) {
+
+            ### Fetch write bytes
+            if (defined $$Names{obytes64}) {
+                $rbytes = $$Names{rbytes64};
+                $wbytes = $$Names{obytes64};
+            }
+            elsif (defined $$Names{obytes}) {
+                $rbytes = $$Names{rbytes};
+                $wbytes = $$Names{obytes};
+            } else {
+                $rbytes = $wbytes = 0;
+            }
+
+            ### Fetch read bytes
+            if (defined $$Names{opackets64}) {
+                $rpackets = $$Names{ipackets64};
+                $wpackets = $$Names{opackets64};
+            }
+            else {
+                $rpackets = $$Names{ipackets};
+                $wpackets = $$Names{opackets};
+            }
+
+            ### Fetch interface speed
+            if (defined $$Names{ifspeed}) {
+                $speed = $$Names{ifspeed};
+            }
+            else {
+                # if we can't fetch the speed, print the
+                # %Util as 0.0 . To do this we,
+                $speed = 2 ** 48; 
+            }
+
+            ### Determine saturation value
+            my $sat = 0;
+            if (defined $$Names{nocanput} or defined $$Names{norcvbuf}) {
+                $sat += defined $$Names{defer} ? $$Names{defer} : 0;
+                $sat += defined $$Names{nocanput} ? $$Names{nocanput} : 0;
+                $sat += defined $$Names{norcvbuf} ? $$Names{norcvbuf} : 0;
+                $sat += defined $$Names{noxmtbuf} ? $$Names{noxmtbuf} : 0;
+            }
+
+            ### use the last snaptime value,
+            $time = $$Names{snaptime};
+
+            ### store data
+            push @NetworkData, "$name:$rbytes:$wbytes:" . 
+             "$rpackets:$wpackets:$speed:$sat:$time";
+        }
+    }
+
+    return @NetworkData;
+}
+
+# print_neat - print a float with decimal places if appropriate.
+#
+# This specifically keeps the width to 7 characters, if possible, plus
+# a trailing space.
+#
+sub print_neat {
+    my $num = shift;
+    if ($num >= 100000) {
+        printf "%7d ", $num;
+    } elsif ($num >= 100) {
+        printf "%7.1f ", $num;
+    } else {
+        printf "%7.2f ", $num;
+    }
+}
+
+# usage - print usage and exit.
+#
+sub usage {
+        print STDERR <<END;
+USAGE: nicstat [-hsz] [-i int[,int...]] | [interval [count]]
+   eg, nicstat               # print summary since boot
+       nicstat 1             # print continually every 1 second
+       nicstat 1 5           # print 5 times, every 1 second
+       nicstat -s            # summary output
+       nicstat -i hme0       # print hme0 only
+END
+        exit 1;
+}
diff --git a/usr/src/cmd/nscd/Makefile b/usr/src/cmd/nscd/Makefile
index aa478fa3b0..1e51819bb2 100644
--- a/usr/src/cmd/nscd/Makefile
+++ b/usr/src/cmd/nscd/Makefile
@@ -29,6 +29,7 @@ MANIFEST=	name-service-cache.xml
 SVCMETHOD=	svc-nscd
 
 include ../Makefile.cmd
+include ../Makefile.ctf
 
 ROOTMANIFESTDIR=	$(ROOTSVCSYSTEM)
 
diff --git a/usr/src/cmd/nscd/svc-nscd b/usr/src/cmd/nscd/svc-nscd
index 0c6aa1bc4b..78b318bf87 100644
--- a/usr/src/cmd/nscd/svc-nscd
+++ b/usr/src/cmd/nscd/svc-nscd
@@ -23,8 +23,8 @@
 #
 # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
+# Copyright 2012 Joyent, Inc.  All rights reserved.
 #
-#ident	"%Z%%M%	%I%	%E% SMI"
 
 . /lib/svc/share/smf_include.sh
 
@@ -51,7 +51,7 @@ if (smf_is_system_labeled); then
 					$SMF_FMRI`
         		fi
         		if [ "$duration" != "transient" ]; then
-                		( while true ; do sleep 3600 ; done ) &
+				exit $SMF_EXIT_NODAEMON
         		fi
 
         		# The real daemon is not started in non-global zones,
diff --git a/usr/src/cmd/passwd/Makefile b/usr/src/cmd/passwd/Makefile
index 561357a16c..079e8b6050 100644
--- a/usr/src/cmd/passwd/Makefile
+++ b/usr/src/cmd/passwd/Makefile
@@ -33,6 +33,8 @@ lint := LDLIBS += -lpasswdutil
 LDFLAGS += $(ZIGNORE)
 LDLIBS += -lbsm -lpam -lnsl
 
+CPPFLAGS += -D__EXTENSIONS__
+
 FILEMODE = 06555
 XGETFLAGS += -a -x $(PROG).xcl
 
diff --git a/usr/src/cmd/pgrep/pgrep.c b/usr/src/cmd/pgrep/pgrep.c
index 4531f11267..857f6ef818 100644
--- a/usr/src/cmd/pgrep/pgrep.c
+++ b/usr/src/cmd/pgrep/pgrep.c
@@ -597,6 +597,8 @@ main(int argc, char *argv[])
 	const char *optstr;
 	optdesc_t *optd;
 	int nmatches, c;
+	const char *zroot;
+	char buf[PATH_MAX];
 
 	DIR *dirp;
 
@@ -626,6 +628,12 @@ main(int argc, char *argv[])
 
 	opterr = 0;
 
+	zroot = zone_get_nroot();
+	if (zroot != NULL) {
+		(void) snprintf(buf, sizeof (buf), "%s/%s", zroot, g_procdir);
+		g_procdir = buf;
+	}
+
 	while (optind < argc) {
 		while ((c = getopt(argc, argv, optstr)) != (int)EOF) {
 
diff --git a/usr/src/cmd/prstat/prstat.c b/usr/src/cmd/prstat/prstat.c
index fc16e435f6..982c860d0d 100644
--- a/usr/src/cmd/prstat/prstat.c
+++ b/usr/src/cmd/prstat/prstat.c
@@ -26,6 +26,7 @@
  * Use is subject to license terms.
  *
  * Portions Copyright 2009 Chad Mynhier
+ * Copyright 2012 Joyent, Inc.  All rights reserved.
  */
 
 #include <sys/types.h>
@@ -181,6 +182,33 @@ static optdesc_t opts = {
 	-1			/* sort in decreasing order */
 };
 
+
+static int
+proc_snprintf(char *_RESTRICT_KYWD s, size_t n,
+    const char *_RESTRICT_KYWD fmt, ...)
+{
+	static boolean_t ptools_zroot_valid = B_FALSE;
+	static const char *ptools_zroot = NULL;
+	va_list args;
+	int ret, nret = 0;
+
+	if (ptools_zroot_valid == B_FALSE) {
+		ptools_zroot_valid = B_TRUE;
+		ptools_zroot = zone_get_nroot();
+	}
+
+	if (ptools_zroot != NULL) {
+		nret = snprintf(s, n, "%s", ptools_zroot);
+		if (nret > n)
+			return (nret);
+	}
+	va_start(args, fmt);
+	ret = vsnprintf(s + nret, n - nret, fmt, args);
+	va_end(args);
+
+	return (ret + nret);
+}
+
 /*
  * Print timestamp as decimal reprentation of time_t value (-d u was specified)
  * or the standard date format (-d d was specified).
@@ -236,7 +264,12 @@ list_getsize(list_t *list)
 	size_t i;
 	uint_t flags = 0;
 	int ret;
-	size_t physmem = sysconf(_SC_PHYS_PAGES) * pagesize;
+	size_t physmem;
+
+	if (!(opts.o_outpmode & OPT_VMUSAGE))
+		return;
+
+	physmem = sysconf(_SC_PHYS_PAGES) * pagesize;
 
 	/*
 	 * Determine what swap/rss results to calculate.  getvmusage() will
@@ -848,9 +881,9 @@ lwp_update(lwp_info_t *lwp, pid_t pid, id_t lwpid, struct prusage *usage)
 static int
 read_procfile(fd_t **fd, char *pidstr, char *file, void *buf, size_t bufsize)
 {
-	char procfile[MAX_PROCFS_PATH];
+	char procfile[PATH_MAX];
 
-	(void) snprintf(procfile, MAX_PROCFS_PATH,
+	(void) proc_snprintf(procfile, PATH_MAX,
 	    "/proc/%s/%s", pidstr, file);
 	if ((*fd = fd_open(procfile, O_RDONLY, *fd)) == NULL)
 		return (1);
@@ -1376,6 +1409,7 @@ main(int argc, char **argv)
 	int timeout;
 	struct pollfd pollset;
 	char key;
+	char procpath[PATH_MAX];
 
 	(void) setlocale(LC_ALL, "");
 	(void) textdomain(TEXT_DOMAIN);
@@ -1386,7 +1420,7 @@ main(int argc, char **argv)
 	pagesize = sysconf(_SC_PAGESIZE);
 
 	while ((opt = getopt(argc, argv,
-	    "vcd:HmarRLtu:U:n:p:C:P:h:s:S:j:k:TJWz:Z")) != (int)EOF) {
+	    "vVcd:HmarRLtu:U:n:p:C:P:h:s:S:j:k:TJWz:Z")) != (int)EOF) {
 		switch (opt) {
 		case 'r':
 			opts.o_outpmode |= OPT_NORESOLVE;
@@ -1466,6 +1500,9 @@ main(int argc, char **argv)
 			while (p = strtok(NULL, ", "))
 				add_uid(&ruid_tbl, p);
 			break;
+		case 'V':
+			opts.o_outpmode |= OPT_VMUSAGE;
+			break;
 		case 'p':
 			fill_table(&pid_tbl, optarg, 'p');
 			break;
@@ -1575,7 +1612,8 @@ main(int argc, char **argv)
 	list_setkeyfunc(NULL, &opts, &lgroups, LT_LGRPS);
 	if (opts.o_outpmode & OPT_TERMCAP)
 		curses_on();
-	if ((procdir = opendir("/proc")) == NULL)
+	(void) proc_snprintf(procpath, sizeof (procpath), "/proc");
+	if ((procdir = opendir(procpath)) == NULL)
 		Die(gettext("cannot open /proc directory\n"));
 	if (opts.o_outpmode & OPT_TTY) {
 		(void) printf(gettext("Please wait...\r"));
diff --git a/usr/src/cmd/prstat/prstat.h b/usr/src/cmd/prstat/prstat.h
index 293123c5b9..bf38b3e2bd 100644
--- a/usr/src/cmd/prstat/prstat.h
+++ b/usr/src/cmd/prstat/prstat.h
@@ -26,6 +26,7 @@
  * Use is subject to license terms.
  *
  * Portions Copyright 2009 Chad Mynhier
+ * Copyright 2012 Joyent, Inc.  All rights reserved.
  */
 
 #ifndef	_PRSTAT_H
@@ -72,6 +73,7 @@ extern "C" {
 #define	OPT_ZONES	0x2000		/* report about zones */
 #define	OPT_PSETS	0x4000		/* report for specified psets */
 #define	OPT_LGRP	0x8000		/* report home lgroups */
+#define	OPT_VMUSAGE	0x10000		/* print accurate, but expensive RSS */
 #define	OPT_UDATE	0x20000		/* print unix timestamp */
 #define	OPT_DDATE	0x40000		/* print timestamp in date(1) format */
 #define	OPT_NORESOLVE	0x80000		/* no nsswitch lookups */
diff --git a/usr/src/cmd/prstat/prutil.c b/usr/src/cmd/prstat/prutil.c
index 0f9cbd6c4d..7def1bd40b 100644
--- a/usr/src/cmd/prstat/prutil.c
+++ b/usr/src/cmd/prstat/prutil.c
@@ -25,6 +25,7 @@
  * Use is subject to license terms.
  *
  * Portions Copyright 2009 Chad Mynhier
+ * Copyright 2012 Joyent, Inc.  All rights reserved.
  */
 
 #include <sys/types.h>
@@ -108,7 +109,7 @@ void
 Usage()
 {
 	(void) fprintf(stderr, gettext(
-	    "Usage:\tprstat [-acHJLmrRtTvWZ] [-u euidlist] [-U uidlist]\n"
+	    "Usage:\tprstat [-acHJLmrRtTvVWZ] [-u euidlist] [-U uidlist]\n"
 	    "\t[-p pidlist] [-P cpulist] [-C psrsetlist] [-h lgrouplist]\n"
 	    "\t[-j projidlist] [-k taskidlist] [-z zoneidlist]\n"
 	    "\t[-s key | -S key] [-n nprocs[,nusers]] [-d d|u]\n"
diff --git a/usr/src/cmd/prtconf/prtconf.c b/usr/src/cmd/prtconf/prtconf.c
index 551144976e..0982f1d40b 100644
--- a/usr/src/cmd/prtconf/prtconf.c
+++ b/usr/src/cmd/prtconf/prtconf.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2011, Joyent, Inc. All rights reserved.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -168,7 +169,7 @@ cleanup_path(const char *input_path, char *path)
 #ifdef	DEBUG
 static const char *optstring = "abcdDvVxpPFf:M:dLuC";
 #else
-static const char *optstring = "abcdDvVxpPFf:uC";
+static const char *optstring = "abcdDvVxmpPFf:uC";
 #endif	/* DEBUG */
 
 int
@@ -201,6 +202,9 @@ main(int argc, char *argv[])
 		case 'v':
 			++opts.o_verbose;
 			break;
+		case 'm':
+			++opts.o_memory;
+			break;
 		case 'p':
 			++opts.o_prominfo;
 			break;
@@ -338,34 +342,42 @@ main(int argc, char *argv[])
 		return (0);
 	}
 
-	ret = sysinfo(SI_HW_PROVIDER, hw_provider, sizeof (hw_provider));
-	/*
-	 * If 0 bytes are returned (the system returns '1', for the \0),
-	 * we're probably on x86, default to Oracle.
-	 */
-	if (ret <= 1) {
-		(void) strncpy(hw_provider, "Oracle Corporation",
+	if (!opts.o_memory) {
+		ret = sysinfo(SI_HW_PROVIDER, hw_provider,
 		    sizeof (hw_provider));
+		/*
+		 * If 0 bytes are returned (the system returns '1', for the \0),
+		 * we're probably on x86, and there has been no si-hw-provider
+		 * set in /etc/bootrc, default to Joyent.
+		 */
+		if (ret <= 1) {
+			(void) strncpy(hw_provider, "Joyent",
+			    sizeof (hw_provider));
+		}
+		(void) printf("System Configuration:  %s  %s\n", hw_provider,
+		    opts.o_uts.machine);
 	}
-	(void) printf("System Configuration:  %s  %s\n", hw_provider,
-	    opts.o_uts.machine);
 
 	pagesize = sysconf(_SC_PAGESIZE);
 	npages = sysconf(_SC_PHYS_PAGES);
-	(void) printf("Memory size: ");
-	if (pagesize == -1 || npages == -1)
-		(void) printf("unable to determine\n");
-	else {
-		const int64_t kbyte = 1024;
+	if (pagesize == -1 || npages == -1) {
+		if (opts.o_memory) {
+			(void) printf("0\n");
+			return (1);
+		} else {
+			(void) printf("Memory size: unable to determine\n");
+		}
+	} else {
 		const int64_t mbyte = 1024 * 1024;
 		int64_t ii = (int64_t)pagesize * npages;
 
-		if (ii >= mbyte)
-			(void) printf("%ld Megabytes\n",
+		if (opts.o_memory) {
+			(void) printf("%ld\n", (long)((ii+mbyte-1) / mbyte));
+			return (0);
+		} else {
+			(void) printf("Memory size: %ld Megabytes\n",
 			    (long)((ii+mbyte-1) / mbyte));
-		else
-			(void) printf("%ld Kilobytes\n",
-			    (long)((ii+kbyte-1) / kbyte));
+		}
 	}
 
 	if (opts.o_prominfo) {
diff --git a/usr/src/cmd/prtconf/prtconf.h b/usr/src/cmd/prtconf/prtconf.h
index 5f9abe968c..0284cc8af1 100644
--- a/usr/src/cmd/prtconf/prtconf.h
+++ b/usr/src/cmd/prtconf/prtconf.h
@@ -54,6 +54,7 @@ struct prt_opts {
 	int o_drv_name;
 	int o_pseudodevs;
 	int o_fbname;
+	int o_memory;
 	int o_noheader;
 	int o_prominfo;
 	int o_productinfo;
diff --git a/usr/src/cmd/ptools/Makefile.bld b/usr/src/cmd/ptools/Makefile.bld
index f5b50f5ea1..e8bb27b043 100644
--- a/usr/src/cmd/ptools/Makefile.bld
+++ b/usr/src/cmd/ptools/Makefile.bld
@@ -26,6 +26,8 @@
 
 PROG:sh = basename `cd ..; pwd`
 
+include ../../../Makefile.ctf
+
 OBJS = $(PROG).o
 
 SRCS = ../$(PROG).c
@@ -69,6 +71,12 @@ CERRWARN_pargs	+= -_gcc=-Wno-type-limits
 
 CERRWARN += $(CERRWARN_$(PROG))
 
+#
+# Common code definitions
+#
+COBJS =	ptools_common.o
+CINC = -I../../common
+
 # pargs depends on ../../common/elfcap components
 # pmadvise depends on pmap components
 
@@ -79,14 +87,32 @@ CPPFLAGS_pargs =	-I$(ELFCAP)
 OBJS_pargs =		elfcap.o
 SRCS_pargs =		$(ELFCAP)/elfcap.c
 
-CPPFLAGS_pmap =		-I$(PMAP)
-OBJS_pmap =		pmap_common.o
+CPPFLAGS_pmap =		-I$(PMAP) $(CINC)
+OBJS_pmap =		pmap_common.o $(COBJS)
 SRCS_pmap =		$(PMAP)/pmap_common.c
 
-CPPFLAGS_pmadvise =	-I$(PMAP)
-OBJS_pmadvise =		pmap_common.o
+CPPFLAGS_pmadvise =	-I$(PMAP) $(CINC)
+OBJS_pmadvise =		pmap_common.o $(COBJS)
 SRCS_pmadvise =		$(PMAP)/pmap_common.c
 
+CPPFLAGS_preap =	$(CINC)
+OBJS_preap =		$(COBJS)
+
+CPPFLAGS_psig =		$(CINC)
+OBJS_psig =		$(COBJS)
+
+CPPFLAGS_ptime =	$(CINC)
+OBJS_ptime =		$(COBJS)
+
+CPPFLAGS_ptree =	$(CINC)
+OBJS_ptree =		$(COBJS)
+
+CPPFLAGS_pwait =	$(CINC)
+OBJS_pwait =		$(COBJS)
+
+CPPFLAGS_pwdx =		$(CINC)
+OBJS_pwdx =		$(COBJS)
+
 CPPFLAGS +=	$(CPPFLAGS_$(PROG))
 OBJS +=		$(OBJS_$(PROG))
 SRCS +=		$(SRCS_$(PROG))
@@ -99,12 +125,19 @@ INSTALL_LEGACY=$(RM) $(ROOTPROCBINSYMLINK) ; \
 
 elfcap.o:	$(ELFCAP)/elfcap.c
 		$(COMPILE.c) -o $@ $(ELFCAP)/elfcap.c
+		$(POST_PROCESS_O)
 
 pmap_common.o:	$(PMAP)/pmap_common.c
 		$(COMPILE.c) -o $@ $(PMAP)/pmap_common.c
+		$(POST_PROCESS_O)
 
 %.o:	../%.c
 	$(COMPILE.c) $<
+	$(POST_PROCESS_O)
+
+%.o:	../../common/%.c
+	$(COMPILE.c) $<
+	$(POST_PROCESS_O)
 
 all:	$(PROG)
 
diff --git a/usr/src/cmd/ptools/common/ptools_common.c b/usr/src/cmd/ptools/common/ptools_common.c
new file mode 100644
index 0000000000..a747ab213e
--- /dev/null
+++ b/usr/src/cmd/ptools/common/ptools_common.c
@@ -0,0 +1,50 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/feature_tests.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <zone.h>
+
+/*
+ * Common routines for ptools.
+ */
+
+int
+proc_snprintf(char *_RESTRICT_KYWD s, size_t n,
+    const char *_RESTRICT_KYWD fmt, ...)
+{
+	static boolean_t ptools_zroot_valid = B_FALSE;
+	static const char *ptools_zroot = NULL;
+	va_list args;
+	int ret, nret = 0;
+
+	if (ptools_zroot_valid == B_FALSE) {
+		ptools_zroot_valid = B_TRUE;
+		ptools_zroot = zone_get_nroot();
+	}
+
+	if (ptools_zroot != NULL) {
+		nret = snprintf(s, n, "%s", ptools_zroot);
+		if (nret > n)
+			return (nret);
+	}
+	va_start(args, fmt);
+	ret = vsnprintf(s + nret, n - nret, fmt, args);
+	va_end(args);
+
+	return (ret + nret);
+}
diff --git a/usr/src/cmd/ptools/common/ptools_common.h b/usr/src/cmd/ptools/common/ptools_common.h
new file mode 100644
index 0000000000..52bcae9e51
--- /dev/null
+++ b/usr/src/cmd/ptools/common/ptools_common.h
@@ -0,0 +1,36 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _PTOOLS_COMMON_H
+#define	_PTOOLS_COMMON_H
+
+#include <sys/feature_tests.h>
+
+/*
+ * Common functions for the ptools.
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int proc_snprintf(char *_RESTRICT_KYWD, size_t,
+    const char *_RESTRICT_KYWD, ...);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PTOOLS_COMMON_H */
diff --git a/usr/src/cmd/ptools/pargs/pargs.c b/usr/src/cmd/ptools/pargs/pargs.c
index a0a4febcd4..c65dff56f1 100644
--- a/usr/src/cmd/ptools/pargs/pargs.c
+++ b/usr/src/cmd/ptools/pargs/pargs.c
@@ -23,7 +23,7 @@
  * Use is subject to license terms.
  */
 /*
- * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
  */
 
 /*
@@ -791,6 +791,7 @@ static struct aux_id aux_arr[] = {
 	{ AT_BASE,		"AT_BASE",		at_null	},
 	{ AT_FLAGS,		"AT_FLAGS",		at_null	},
 	{ AT_ENTRY,		"AT_ENTRY",		at_null	},
+	{ AT_RANDOM,		"AT_RANDOM",		at_null	},
 	{ AT_SUN_UID,		"AT_SUN_UID",		at_uid	},
 	{ AT_SUN_RUID,		"AT_SUN_RUID",		at_uid	},
 	{ AT_SUN_GID,		"AT_SUN_GID",		at_gid	},
@@ -810,9 +811,11 @@ static struct aux_id aux_arr[] = {
 	{ AT_SUN_AUXFLAGS,	"AT_SUN_AUXFLAGS",	at_flags },
 	{ AT_SUN_EMULATOR,	"AT_SUN_EMULATOR",	at_str	},
 	{ AT_SUN_BRANDNAME,	"AT_SUN_BRANDNAME",	at_str	},
+	{ AT_SUN_BRAND_NROOT,	"AT_SUN_BRAND_NROOT",	at_str	},
 	{ AT_SUN_BRAND_AUX1,	"AT_SUN_BRAND_AUX1",	at_null	},
 	{ AT_SUN_BRAND_AUX2,	"AT_SUN_BRAND_AUX2",	at_null	},
-	{ AT_SUN_BRAND_AUX3,	"AT_SUN_BRAND_AUX3",	at_null	}
+	{ AT_SUN_BRAND_AUX3,	"AT_SUN_BRAND_AUX3",	at_null	},
+	{ AT_SUN_BRAND_AUX4,	"AT_SUN_BRAND_AUX4",	at_null	}
 };
 
 #define	N_AT_ENTS (sizeof (aux_arr) / sizeof (struct aux_id))
diff --git a/usr/src/cmd/ptools/pfiles/pfiles.c b/usr/src/cmd/ptools/pfiles/pfiles.c
index fbe54fc0dd..8e09ef534b 100644
--- a/usr/src/cmd/ptools/pfiles/pfiles.c
+++ b/usr/src/cmd/ptools/pfiles/pfiles.c
@@ -24,7 +24,7 @@
  * Copyright 2012 DEY Storage Systems, Inc.  All rights reserved.
  */
 /*
- * Copyright (c) 2013 Joyent, Inc.  All Rights reserved.
+ * Copyright (c) 2014 Joyent, Inc.  All Rights reserved.
  */
 
 #include <stdio.h>
@@ -271,15 +271,14 @@ show_file(void *data, prfdinfo_t *info)
 		    (mode & S_IFMT) == S_IFDOOR);
 
 		if (Pstate(Pr) != PS_DEAD) {
-			char *dev;
+			char *dev = NULL;
 
 			if ((mode & S_IFMT) == S_IFSOCK)
 				dosocket(Pr, info->pr_fd);
 			else if ((mode & S_IFMT) == S_IFIFO)
 				dofifo(Pr, info->pr_fd);
 
-			if ((mode & S_IFMT) == S_IFCHR &&
-			    (dev = strrchr(info->pr_path, ':')) != NULL) {
+			if ((mode & S_IFMT) == S_IFCHR) {
 				/*
 				 * There's no elegant way to determine
 				 * if a character device supports TLI,
@@ -291,11 +290,20 @@ show_file(void *data, prfdinfo_t *info)
 				    "tcp", "tcp6", "udp", "udp6", NULL
 				};
 
-				dev++; /* skip past the `:' */
-				for (i = 0; tlidevs[i] != NULL; i++) {
-					if (strcmp(dev, tlidevs[i]) == 0) {
-						dotli(Pr, info->pr_fd);
-						break;
+				/* global zone: /devices paths */
+				dev = strrchr(info->pr_path, ':');
+				/* also check the /dev path for zones */
+				if (dev == NULL)
+					dev = strrchr(info->pr_path, '/');
+				if (dev != NULL) {
+					dev++; /* skip past the `:' */
+
+					for (i = 0; tlidevs[i] != NULL; i++) {
+						if (strcmp(dev, tlidevs[i]) ==
+						    0) {
+							dotli(Pr, info->pr_fd);
+							break;
+						}
 					}
 				}
 			}
@@ -549,6 +557,7 @@ show_sockaddr(const char *str, struct sockaddr *sa, socklen_t len)
 	case AF_IPX:		p = "AF_IPX";		break;
 	case AF_ROUTE:		p = "AF_ROUTE";		break;
 	case AF_LINK:		p = "AF_LINK";		break;
+	case AF_LX_NETLINK:	p = "AF_LX_NETLINK";	break;
 	}
 
 	(void) printf("\t%s: %s\n", str, p);
@@ -796,9 +805,11 @@ dotli(struct ps_prochandle *Pr, int fd)
 
 	strcmd.sc_cmd = TI_GETMYNAME;
 	if (pr_ioctl(Pr, fd, _I_CMD, &strcmd, sizeof (strcmd)) == 0)
-		show_sockaddr("sockname", (void *)&strcmd.sc_buf, 0);
+		show_sockaddr("sockname", (void *)&strcmd.sc_buf, 
+		    (size_t)strcmd.sc_len);
 
 	strcmd.sc_cmd = TI_GETPEERNAME;
 	if (pr_ioctl(Pr, fd, _I_CMD, &strcmd, sizeof (strcmd)) == 0)
-		show_sockaddr("peername", (void *)&strcmd.sc_buf, 0);
+		show_sockaddr("peername", (void *)&strcmd.sc_buf,
+		    (size_t)strcmd.sc_len);
 }
diff --git a/usr/src/cmd/ptools/pflags/pflags.c b/usr/src/cmd/ptools/pflags/pflags.c
index 8054a80d3c..f19a945d95 100644
--- a/usr/src/cmd/ptools/pflags/pflags.c
+++ b/usr/src/cmd/ptools/pflags/pflags.c
@@ -25,7 +25,7 @@
  */
 
 /*
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #include <stdio.h>
@@ -469,6 +469,9 @@ prwhy(int why)
 	case PR_SUSPENDED:
 		str = "PR_SUSPENDED";
 		break;
+	case PR_BRAND:
+		str = "PR_BRAND";
+		break;
 	default:
 		str = buf;
 		(void) sprintf(str, "%d", why);
diff --git a/usr/src/cmd/ptools/pmadvise/pmadvise.c b/usr/src/cmd/ptools/pmadvise/pmadvise.c
index 8500a00dc6..6b9623508a 100644
--- a/usr/src/cmd/ptools/pmadvise/pmadvise.c
+++ b/usr/src/cmd/ptools/pmadvise/pmadvise.c
@@ -25,6 +25,10 @@
  */
 
 /*
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
+ */
+
+/*
  * pmadvise
  *
  * ptool wrapper for madvise(3C) to apply memory advice to running processes
@@ -153,7 +157,7 @@
  * Advice that can be passed to madvise fit into three groups that each
  * contain 3 mutually exclusive options.  These groups are defined below:
  *   Group 1: normal, random, sequential
- *   Group 2: willneed, dontneed, free
+ *   Group 2: willneed, dontneed, free, purge
  *   Group 3: default, accesslwp, accessmany
  * Thus, advice that includes (at most) one from each group is valid.
  *
@@ -164,7 +168,7 @@
 #define	GRP1_ADV	(1 << MADV_NORMAL | 1 << MADV_RANDOM | \
 			1 << MADV_SEQUENTIAL)
 #define	GRP2_ADV	(1 << MADV_WILLNEED | 1 << MADV_DONTNEED | \
-			1 << MADV_FREE)
+			1 << MADV_FREE | 1 << MADV_PURGE)
 #define	GRP3_ADV	(1 << MADV_ACCESS_DEFAULT | 1 << MADV_ACCESS_LWP | \
 			1 << MADV_ACCESS_MANY)
 
@@ -346,6 +350,8 @@ get_advice(char *optarg)
 		return (1 << MADV_NORMAL);
 	else if (strcmp(optarg, "free") == 0)
 		return (1 << MADV_FREE);
+	else if (strcmp(optarg, "purge") == 0)
+		return (1 << MADV_PURGE);
 	else {
 		(void) fprintf(stderr, gettext("%s: invalid advice: %s\n"),
 		    progname, optarg);
@@ -676,7 +682,7 @@ apply_advice(saddr_t **advicelist)
 		 * with the for loop.
 		 */
 		if (psaddr->adv != NO_ADVICE) {
-			for (i = MADV_NORMAL; i <= MADV_ACCESS_MANY; i++) {
+			for (i = MADV_NORMAL; i <= MADV_PURGE; i++) {
 				if ((psaddr->adv & (1 << i)) &&
 				    (pr_madvise(Pr, (caddr_t)psaddr->addr,
 				    psaddr->length, i) < 0)) {
@@ -898,7 +904,7 @@ advtostr(int adv)
 	*buf = '\0';
 
 	if (adv != NO_ADVICE) {
-		for (i = MADV_NORMAL; i <= MADV_ACCESS_MANY; i++) {
+		for (i = MADV_NORMAL; i <= MADV_PURGE; i++) {
 			if (adv & (1 << i)) {
 				/*
 				 * check if it's the first advice entry
diff --git a/usr/src/cmd/ptools/pmap/pmap.c b/usr/src/cmd/ptools/pmap/pmap.c
index 78bfa6b596..03f8bde791 100644
--- a/usr/src/cmd/ptools/pmap/pmap.c
+++ b/usr/src/cmd/ptools/pmap/pmap.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
  */
 
 #include <stdio.h>
@@ -42,6 +43,7 @@
 #include <sys/mman.h>
 #include <sys/lgrp_user.h>
 #include <libproc.h>
+#include "ptools_common.h"
 
 #include "pmap_common.h"
 
@@ -199,7 +201,7 @@ main(int argc, char **argv)
 	const char *bar;
 	struct rlimit rlim;
 	struct stat64 statbuf;
-	char buf[128];
+	char buf[PATH_MAX];
 	int mapfd;
 	int prg_gflags = PGRAB_RDONLY;
 	int prr_flags = 0;
@@ -358,7 +360,7 @@ main(int argc, char **argv)
 		proc_unctrl_psinfo(&psinfo);
 
 		if (Pstate(Pr) != PS_DEAD) {
-			(void) snprintf(buf, sizeof (buf),
+			(void) proc_snprintf(buf, sizeof (buf),
 			    "/proc/%d/map", (int)psinfo.pr_pid);
 			if ((mapfd = open(buf, O_RDONLY)) < 0) {
 				(void) fprintf(stderr, "%s: cannot "
@@ -590,7 +592,7 @@ rmapping_iter(struct ps_prochandle *Pr, proc_map_f *func, void *cd)
 	prmap_t *prmapp, *pmp;
 	ssize_t n;
 
-	(void) snprintf(mapname, sizeof (mapname),
+	(void) proc_snprintf(mapname, sizeof (mapname),
 	    "/proc/%d/rmap", (int)Pstatus(Pr)->pr_pid);
 
 	if ((mapfd = open(mapname, O_RDONLY)) < 0 || fstat(mapfd, &st) != 0) {
@@ -631,7 +633,7 @@ xmapping_iter(struct ps_prochandle *Pr, proc_xmap_f *func, void *cd, int doswap)
 	prxmap_t *prmapp, *pmp;
 	ssize_t n;
 
-	(void) snprintf(mapname, sizeof (mapname),
+	(void) proc_snprintf(mapname, sizeof (mapname),
 	    "/proc/%d/xmap", (int)Pstatus(Pr)->pr_pid);
 
 	if ((mapfd = open(mapname, O_RDONLY)) < 0 || fstat(mapfd, &st) != 0) {
diff --git a/usr/src/cmd/ptools/pmap/pmap_common.c b/usr/src/cmd/ptools/pmap/pmap_common.c
index fff55ffdbc..81f42d67f7 100644
--- a/usr/src/cmd/ptools/pmap/pmap_common.c
+++ b/usr/src/cmd/ptools/pmap/pmap_common.c
@@ -37,6 +37,7 @@
 #include <sys/types.h>
 
 #include "pmap_common.h"
+#include "ptools_common.h"
 
 /*
  * We compare the high memory addresses since stacks are faulted in from
@@ -88,7 +89,7 @@ make_name(struct ps_prochandle *Pr, int lflag, uintptr_t addr,
 		return (NULL);
 
 	/* first see if we can find a path via /proc */
-	(void) snprintf(path, sizeof (path), "/proc/%d/path/%s",
+	(void) proc_snprintf(path, sizeof (path), "/proc/%d/path/%s",
 	    (int)Psp->pr_pid, mapname);
 	len = readlink(path, buf, bufsz - 1);
 	if (len >= 0) {
@@ -97,7 +98,7 @@ make_name(struct ps_prochandle *Pr, int lflag, uintptr_t addr,
 	}
 
 	/* fall back to object information reported by /proc */
-	(void) snprintf(path, sizeof (path),
+	(void) proc_snprintf(path, sizeof (path),
 	    "/proc/%d/object/%s", (int)Psp->pr_pid, mapname);
 	if (stat(path, &statb) == 0) {
 		dev_t dev = statb.st_dev;
diff --git a/usr/src/cmd/ptools/preap/preap.c b/usr/src/cmd/ptools/preap/preap.c
index 8d30b8027c..6d8eb75611 100644
--- a/usr/src/cmd/ptools/preap/preap.c
+++ b/usr/src/cmd/ptools/preap/preap.c
@@ -24,8 +24,6 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -37,6 +35,8 @@
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <libproc.h>
+#include <limits.h>
+#include "ptools_common.h"
 
 #define	NOREAP_TIME 60		/* wait 60 seconds before allow a reap */
 
@@ -53,11 +53,11 @@ intr(int sig)
 static int
 open_usage(pid_t pid, int *perr)
 {
-	char path[64];
+	char path[PATH_MAX];
 	struct stat64 st;
 	int fd;
 
-	(void) snprintf(path, sizeof (path), "/proc/%d/usage", (int)pid);
+	(void) proc_snprintf(path, sizeof (path), "/proc/%d/usage", (int)pid);
 
 	/*
 	 * Attempt to open the usage file, and return the fd if we can
diff --git a/usr/src/cmd/ptools/psig/psig.c b/usr/src/cmd/ptools/psig/psig.c
index 70af35cb5e..848fda834c 100644
--- a/usr/src/cmd/ptools/psig/psig.c
+++ b/usr/src/cmd/ptools/psig/psig.c
@@ -21,10 +21,9 @@
 /*
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <stdio.h>
 #include <stdio_ext.h>
 #include <stdlib.h>
@@ -37,6 +36,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <libproc.h>
+#include "ptools_common.h"
 
 /* evil knowledge of libc internals */
 #include "../../../lib/libc/inc/thr_uberdata.h"
@@ -172,7 +172,7 @@ lwp_iter(void *cd, const lwpstatus_t *lwpstatus)
 static int
 look(char *arg)
 {
-	char pathname[100];
+	char pathname[PATH_MAX];
 	struct stat statb;
 	int fd = -1;
 	int sig, gcode;
@@ -199,7 +199,8 @@ look(char *arg)
 	(void) memcpy(&psinfo, psinfop, sizeof (psinfo_t));
 	proc_unctrl_psinfo(&psinfo);
 
-	(void) sprintf(pathname, "/proc/%d/sigact", (int)psinfo.pr_pid);
+	(void) proc_snprintf(pathname, sizeof (pathname), "/proc/%d/sigact",
+	    (int)psinfo.pr_pid);
 	if ((fd = open(pathname, O_RDONLY)) < 0) {
 		perr("open sigact");
 		goto look_error;
@@ -213,8 +214,8 @@ look(char *arg)
 	action = malloc(maxsig * sizeof (struct sigaction));
 	if (action == NULL) {
 		(void) fprintf(stderr,
-		"%s: cannot malloc() space for %d sigaction structures\n",
-			command, maxsig);
+		    "%s: cannot malloc() space for %d sigaction structures\n",
+		    command, maxsig);
 		goto look_error;
 	}
 	if (read(fd, (char *)action, maxsig * sizeof (struct sigaction)) !=
@@ -239,7 +240,7 @@ look(char *arg)
 		if (psinfo.pr_dmodel != PR_MODEL_NATIVE) {
 			caddr32_t addr;
 			aharraddr = uberaddr +
-				offsetof(uberdata32_t, siguaction);
+			    offsetof(uberdata32_t, siguaction);
 			aharrlen = sizeof (siguaction32_t) * NSIG;
 			(void) Pread(Pr, &addr, sizeof (addr),
 			    uberaddr + offsetof(uberdata32_t, sigacthandler));
@@ -248,7 +249,7 @@ look(char *arg)
 #endif
 		{
 			aharraddr = uberaddr +
-				offsetof(uberdata_t, siguaction);
+			    offsetof(uberdata_t, siguaction);
 			aharrlen = sizeof (siguaction_t) * NSIG;
 			(void) Pread(Pr, &intfnaddr, sizeof (intfnaddr),
 			    uberaddr + offsetof(uberdata_t, sigacthandler));
@@ -323,7 +324,7 @@ look(char *arg)
 					(void) printf("\t%-8s", hname);
 				else
 					(void) printf("\t0x%-8lx",
-						(ulong_t)haddr);
+					    (ulong_t)haddr);
 
 				s = sigflags(sig, sp->sa_flags);
 				(void) printf("%s", (*s != '\0')? s : "\t0");
@@ -334,7 +335,7 @@ look(char *arg)
 			}
 		} else if (sig == SIGCLD) {
 			s = sigflags(sig,
-				sp->sa_flags & (SA_NOCLDWAIT|SA_NOCLDSTOP));
+			    sp->sa_flags & (SA_NOCLDWAIT|SA_NOCLDSTOP));
 			if (*s != '\0')
 				(void) printf("\t\t%s", s);
 		}
@@ -371,7 +372,7 @@ sigflags(int sig, int flags)
 	static char code_buf[100];
 	char *str = code_buf;
 	int flagmask =
-		(SA_ONSTACK|SA_RESETHAND|SA_RESTART|SA_SIGINFO|SA_NODEFER);
+	    (SA_ONSTACK|SA_RESETHAND|SA_RESTART|SA_SIGINFO|SA_NODEFER);
 
 	if (sig == SIGCLD)
 		flagmask |= (SA_NOCLDSTOP|SA_NOCLDWAIT);
@@ -414,19 +415,19 @@ deinterpose(int sig, void *aharr, psinfo_t *psinfo, struct sigaction *sp)
 #ifdef _LP64
 	if (psinfo->pr_dmodel != PR_MODEL_NATIVE) {
 		struct sigaction32 *sa32 = (struct sigaction32 *)
-			((uintptr_t)aharr + sig * sizeof (siguaction32_t) +
-			offsetof(siguaction32_t, sig_uaction));
+		    ((uintptr_t)aharr + sig * sizeof (siguaction32_t) +
+		    offsetof(siguaction32_t, sig_uaction));
 
 		sp->sa_flags = sa32->sa_flags;
 		sp->sa_handler = (void (*)())(uintptr_t)sa32->sa_handler;
 		(void) memcpy(&sp->sa_mask, &sa32->sa_mask,
-			sizeof (sp->sa_mask));
+		    sizeof (sp->sa_mask));
 	} else
 #endif
 	{
 		struct sigaction *sa = (struct sigaction *)
-			((uintptr_t)aharr + sig * sizeof (siguaction_t) +
-			offsetof(siguaction_t, sig_uaction));
+		    ((uintptr_t)aharr + sig * sizeof (siguaction_t) +
+		    offsetof(siguaction_t, sig_uaction));
 
 		sp->sa_flags = sa->sa_flags;
 		sp->sa_handler = sa->sa_handler;
diff --git a/usr/src/cmd/ptools/ptime/ptime.c b/usr/src/cmd/ptools/ptime/ptime.c
index bc862cddb8..7c9be226e1 100644
--- a/usr/src/cmd/ptools/ptime/ptime.c
+++ b/usr/src/cmd/ptools/ptime/ptime.c
@@ -24,6 +24,9 @@
  *
  * Portions Copyright 2008 Chad Mynhier
  */
+/*
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+ */
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -38,6 +41,8 @@
 #include <sys/time.h>
 #include <signal.h>
 #include <libproc.h>
+#include <limits.h>
+#include "ptools_common.h"
 
 static	int	look(pid_t);
 static	void	hr_min_sec(char *, long);
@@ -55,16 +60,39 @@ static	char	procname[64];
 static	int	Fflag;
 static	int	mflag;
 static	int	errflg;
+static	int	pflag;
+
+static int
+ptime_pid(const char *pidstr)
+{
+	struct ps_prochandle *Pr;
+	pid_t pid;
+	int gret;
+
+	if ((Pr = proc_arg_grab(pidstr, PR_ARG_PIDS,
+	    Fflag | PGRAB_RDONLY, &gret)) == NULL) {
+		(void) fprintf(stderr, "%s: cannot examine %s: %s\n",
+		    command, pidstr, Pgrab_error(gret));
+		return (1);
+	}
+
+	pid = Pstatus(Pr)->pr_pid;
+	(void) sprintf(procname, "%d", (int)pid);	/* for perr() */
+	(void) look(pid);
+	Prelease(Pr, 0);
+	return (0);
+}
 
 int
 main(int argc, char **argv)
 {
-	int opt;
+	int opt, exit;
 	pid_t pid;
 	struct siginfo info;
 	int status;
 	int gret;
 	struct ps_prochandle *Pr;
+	char *pp, *np;
 
 	if ((command = strrchr(argv[0], '/')) != NULL)
 		command++;
@@ -80,6 +108,7 @@ main(int argc, char **argv)
 			mflag = 1;
 			break;
 		case 'p':
+			pflag = 1;
 			pidarg = optarg;
 			break;
 		default:
@@ -93,69 +122,76 @@ main(int argc, char **argv)
 
 	if (((pidarg != NULL) ^ (argc < 1)) || errflg) {
 		(void) fprintf(stderr,
-		    "usage:\t%s [-mh] [-p pid | command [ args ... ]]\n",
+		    "usage:\t%s [-mh] [-p pidlist | command [ args ... ]]\n",
 		    command);
 		(void) fprintf(stderr,
 		    "  (time a command using microstate accounting)\n");
 		return (1);
 	}
 
-	if (pidarg != NULL) {
-		if ((Pr = proc_arg_grab(pidarg, PR_ARG_PIDS,
-		    Fflag | PGRAB_RDONLY, &gret)) == NULL) {
-			(void) fprintf(stderr, "%s: cannot examine %s: %s\n",
-			    command, pidarg, Pgrab_error(gret));
-			return (1);
-		}
-	} else {
-		if ((Pr = Pcreate(argv[0], &argv[0], &gret, NULL, 0)) == NULL) {
-			(void) fprintf(stderr, "%s: failed to exec %s: %s\n",
-			    command, argv[0], Pcreate_error(gret));
-			return (1);
-		}
-		if (Psetrun(Pr, 0, 0) == -1) {
-			(void) fprintf(stderr, "%s: failed to set running %s: "
-			    "%s\n", command, argv[0], strerror(errno));
-			return (1);
+	if (pflag) {
+		exit = 0;
+		(void) signal(SIGINT, SIG_IGN);
+		(void) signal(SIGQUIT, SIG_IGN);
+		pp = pidarg;
+		if ((np = strchr(pp, ' ')) != NULL ||
+		    (np = strchr(pp, ',')) != NULL)
+			pflag++;
+		while (np != NULL) {
+			*np = '\0';
+			exit |= ptime_pid(pp);
+			pp = np + 1;
+			np = strchr(pp, ' ');
+			if (np == NULL)
+				np = strchr(pp, ',');
 		}
+		exit |= ptime_pid(pp);
+		return (exit);
+	}
+
+
+	if ((Pr = Pcreate(argv[0], &argv[0], &gret, NULL, 0)) == NULL) {
+		(void) fprintf(stderr, "%s: failed to exec %s: %s\n",
+		    command, argv[0], Pcreate_error(gret));
+		return (1);
+	}
+	if (Psetrun(Pr, 0, 0) == -1) {
+		(void) fprintf(stderr, "%s: failed to set running %s: "
+		    "%s\n", command, argv[0], strerror(errno));
+		return (1);
 	}
 
 	pid = Pstatus(Pr)->pr_pid;
+
 	(void) sprintf(procname, "%d", (int)pid);	/* for perr() */
 	(void) signal(SIGINT, SIG_IGN);
 	(void) signal(SIGQUIT, SIG_IGN);
 
-	if (pidarg == NULL)
-		(void) waitid(P_PID, pid, &info, WEXITED | WNOWAIT);
+	(void) waitid(P_PID, pid, &info, WEXITED | WNOWAIT);
 
 	(void) look(pid);
 
-	if (pidarg != NULL) {
-		Prelease(Pr, 0);
-		return (0);
-	} else {
-		(void) waitpid(pid, &status, 0);
+	(void) waitpid(pid, &status, 0);
 
-		if (WIFEXITED(status))
-			return (WEXITSTATUS(status));
+	if (WIFEXITED(status))
+		return (WEXITSTATUS(status));
 
-		if (WIFSIGNALED(status)) {
-			int sig = WTERMSIG(status);
-			char name[SIG2STR_MAX];
+	if (WIFSIGNALED(status)) {
+		int sig = WTERMSIG(status);
+		char name[SIG2STR_MAX];
 
-			(void) fprintf(stderr, "%s: command terminated "
-			    "abnormally by %s\n", command,
-			    proc_signame(sig, name, sizeof (name)));
-		}
-
-		return (status | WCOREFLG); /* see time(1) */
+		(void) fprintf(stderr, "%s: command terminated "
+		    "abnormally by %s\n", command,
+		    proc_signame(sig, name, sizeof (name)));
 	}
+
+	return (status | WCOREFLG); /* see time(1) */
 }
 
 static int
 look(pid_t pid)
 {
-	char pathname[100];
+	char pathname[PATH_MAX];
 	int rval = 0;
 	int fd;
 	psinfo_t psinfo;
@@ -167,7 +203,8 @@ look(pid_t pid)
 	if (proc_get_psinfo(pid, &psinfo) < 0)
 		return (perr("read psinfo"));
 
-	(void) sprintf(pathname, "/proc/%d/usage", (int)pid);
+	(void) proc_snprintf(pathname, sizeof (pathname), "/proc/%d/usage",
+	    (int)pid);
 	if ((fd = open(pathname, O_RDONLY)) < 0)
 		return (perr("open usage"));
 
@@ -187,6 +224,9 @@ look(pid_t pid)
 			tsadd(&sys, &sys, &pup->pr_ttime);
 
 		(void) fprintf(stderr, "\n");
+		if (pflag > 1)
+			(void) fprintf(stderr, "%d:\t%.70s\n",
+			    (int)psinfo.pr_pid, psinfo.pr_psargs);
 		prtime("real", &real);
 		prtime("user", &user);
 		prtime("sys", &sys);
diff --git a/usr/src/cmd/ptools/ptree/ptree.c b/usr/src/cmd/ptools/ptree/ptree.c
index 27fef9b7f0..92a65e2f44 100644
--- a/usr/src/cmd/ptools/ptree/ptree.c
+++ b/usr/src/cmd/ptools/ptree/ptree.c
@@ -21,14 +21,13 @@
 /*
  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
  */
 
 /*
  * ptree -- print family tree of processes
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <assert.h>
 #include <stdio.h>
 #include <string.h>
@@ -48,6 +47,7 @@
 #include <sys/ctfs.h>
 #include <libcontract_priv.h>
 #include <sys/stat.h>
+#include "ptools_common.h"
 
 #define	FAKEDPID0(p)	(p->pid == 0 && p->psargs[0] == '\0')
 
@@ -103,10 +103,11 @@ main(int argc, char **argv)
 	char *s;
 	int n;
 	int retc = 0;
+	char ppath[PATH_MAX];
 
 	DIR *dirp;
 	struct dirent *dentp;
-	char	pname[100];
+	char	pname[PATH_MAX];
 	int	pdlen;
 
 	ps_t *p;
@@ -169,16 +170,18 @@ main(int argc, char **argv)
 	psize = 0;
 	ps = NULL;
 
+	(void) proc_snprintf(ppath, sizeof (ppath), "/proc");
+
 	/*
 	 * Search the /proc directory for all processes.
 	 */
-	if ((dirp = opendir("/proc")) == NULL) {
-		(void) fprintf(stderr, "%s: cannot open /proc directory\n",
-		    command);
+	if ((dirp = opendir(ppath)) == NULL) {
+		(void) fprintf(stderr, "%s: cannot open %s directory\n",
+		    command, ppath);
 		return (1);
 	}
 
-	(void) strcpy(pname, "/proc");
+	(void) strcpy(pname, ppath);
 	pdlen = strlen(pname);
 	pname[pdlen++] = '/';
 
diff --git a/usr/src/cmd/ptools/pwait/pwait.c b/usr/src/cmd/ptools/pwait/pwait.c
index 0733c355cf..ec11573477 100644
--- a/usr/src/cmd/ptools/pwait/pwait.c
+++ b/usr/src/cmd/ptools/pwait/pwait.c
@@ -23,8 +23,6 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <stdio.h>
 #include <stdio_ext.h>
 #include <ctype.h>
@@ -39,6 +37,8 @@
 #include <poll.h>
 #include <procfs.h>
 #include <sys/resource.h>
+#include <limits.h>
+#include "ptools_common.h"
 
 static int count_my_files();
 static char *command;
@@ -49,6 +49,7 @@ static char *command;
 int
 main(int argc, char **argv)
 {
+	char buf[PATH_MAX];
 	unsigned long remain = 0;
 	struct pollfd *pollfd;
 	struct pollfd *pfd;
@@ -75,10 +76,12 @@ main(int argc, char **argv)
 		(void) fprintf(stderr, "usage:\t%s [-v] pid ...\n", command);
 		(void) fprintf(stderr, "  (wait for processes to terminate)\n");
 		(void) fprintf(stderr,
-			"  -v: verbose; report terminations to standard out\n");
+		    "  -v: verbose; report terminations to standard out\n");
 		return (2);
 	}
 
+	(void) proc_snprintf(buf, sizeof (buf), "/proc/");
+
 	/* make sure we have enough file descriptors */
 	if (getrlimit(RLIMIT_NOFILE, &rlim) == 0) {
 		int nfiles = count_my_files();
@@ -87,8 +90,8 @@ main(int argc, char **argv)
 			rlim.rlim_cur = argc + nfiles + SLOP;
 			if (setrlimit(RLIMIT_NOFILE, &rlim) != 0) {
 				(void) fprintf(stderr,
-					"%s: insufficient file descriptors\n",
-					command);
+				    "%s: insufficient file descriptors\n",
+				    command);
 				return (2);
 			}
 		}
@@ -108,11 +111,11 @@ main(int argc, char **argv)
 		if (strchr(arg, '/') != NULL)
 			(void) strncpy(psinfofile, arg, sizeof (psinfofile));
 		else {
-			(void) strcpy(psinfofile, "/proc/");
+			(void) strcpy(psinfofile, buf);
 			(void) strncat(psinfofile, arg, sizeof (psinfofile)-6);
 		}
 		(void) strncat(psinfofile, "/psinfo",
-			sizeof (psinfofile)-strlen(psinfofile));
+		    sizeof (psinfofile)-strlen(psinfofile));
 
 		pfd = &pollfd[i];
 		if ((pfd->fd = open(psinfofile, O_RDONLY)) >= 0) {
@@ -126,7 +129,7 @@ main(int argc, char **argv)
 			pfd->revents = 0;
 		} else if (errno == ENOENT) {
 			(void) fprintf(stderr, "%s: no such process: %s\n",
-				command, arg);
+			    command, arg);
 		} else {
 			perror(arg);
 		}
@@ -160,9 +163,9 @@ main(int argc, char **argv)
 					if (pread(pfd->fd, &psinfo,
 					    sizeof (psinfo), (off_t)0)
 					    == sizeof (psinfo)) {
-						(void) printf(
-					"%s: terminated, wait status 0x%.4x\n",
-							arg, psinfo.pr_wstat);
+						(void) printf("%s: terminated, "
+						    "wait status 0x%.4x\n",
+						    arg, psinfo.pr_wstat);
 					} else {
 						(void) printf(
 						    "%s: terminated\n", arg);
@@ -170,10 +173,10 @@ main(int argc, char **argv)
 				}
 				if (pfd->revents & POLLNVAL)
 					(void) printf("%s: system process\n",
-						arg);
+					    arg);
 				if (pfd->revents & ~(POLLPRI|POLLHUP|POLLNVAL))
 					(void) printf("%s: unknown error\n",
-						arg);
+					    arg);
 			}
 
 			(void) close(pfd->fd);
diff --git a/usr/src/cmd/ptools/pwdx/pwdx.c b/usr/src/cmd/ptools/pwdx/pwdx.c
index adf42c0877..4a2c6f0c3f 100644
--- a/usr/src/cmd/ptools/pwdx/pwdx.c
+++ b/usr/src/cmd/ptools/pwdx/pwdx.c
@@ -22,10 +22,9 @@
 /*
  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <stdio.h>
 #include <unistd.h>
 #include <string.h>
@@ -33,6 +32,8 @@
 #include <libproc.h>
 #include <sys/param.h>
 
+#include "ptools_common.h"
+
 static char *command;
 
 static int
@@ -49,7 +50,7 @@ show_cwd(const char *arg)
 		return (1);
 	}
 
-	(void) snprintf(proc, sizeof (proc), "/proc/%d/path/cwd",
+	(void) proc_snprintf(proc, sizeof (proc), "/proc/%d/path/cwd",
 	    (int)p.pr_pid);
 
 	if ((ret = readlink(proc, cwd, sizeof (cwd) - 1)) <= 0) {
diff --git a/usr/src/cmd/rcap/common/utils.c b/usr/src/cmd/rcap/common/utils.c
index 799fdcef23..dd511c7c50 100644
--- a/usr/src/cmd/rcap/common/utils.c
+++ b/usr/src/cmd/rcap/common/utils.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent, Inc. All rights reserved.
  */
 
 #include <sys/param.h>
@@ -257,77 +258,3 @@ xatoi(char *p)
 		return (i);
 	}
 }
-
-/*
- * get_running_zones() calls zone_list(2) to find out how many zones are
- * running.  It then calls zone_list(2) again to fetch the list of running
- * zones (stored in *zents).
- */
-int
-get_running_zones(uint_t *nzents, zone_entry_t **zents)
-{
-	zoneid_t *zids;
-	uint_t nzents_saved;
-	int i;
-	zone_entry_t *zentp;
-	zone_state_t zstate;
-
-	*zents = NULL;
-	if (zone_list(NULL, nzents) != 0) {
-		warn(gettext("could not get zoneid list\n"));
-		return (E_ERROR);
-	}
-
-again:
-	if (*nzents == 0)
-		return (E_SUCCESS);
-
-	if ((zids = (zoneid_t *)calloc(*nzents, sizeof (zoneid_t))) == NULL) {
-		warn(gettext("out of memory: zones will not be capped\n"));
-		return (E_ERROR);
-	}
-
-	nzents_saved = *nzents;
-
-	if (zone_list(zids, nzents) != 0) {
-		warn(gettext("could not get zone list\n"));
-		free(zids);
-		return (E_ERROR);
-	}
-	if (*nzents != nzents_saved) {
-		/* list changed, try again */
-		free(zids);
-		goto again;
-	}
-
-	*zents = calloc(*nzents, sizeof (zone_entry_t));
-	if (*zents == NULL) {
-		warn(gettext("out of memory: zones will not be capped\n"));
-		free(zids);
-		return (E_ERROR);
-	}
-
-	zentp = *zents;
-	for (i = 0; i < *nzents; i++) {
-		char name[ZONENAME_MAX];
-
-		if (getzonenamebyid(zids[i], name, sizeof (name)) < 0) {
-			warn(gettext("could not get name for "
-			    "zoneid %d\n"), zids[i]);
-			continue;
-		}
-
-		(void) strlcpy(zentp->zname, name, sizeof (zentp->zname));
-		zentp->zid = zids[i];
-		if (zone_get_state(name, &zstate) != Z_OK ||
-		    zstate != ZONE_STATE_RUNNING)
-			continue;
-
-
-		zentp++;
-	}
-	*nzents = zentp - *zents;
-
-	free(zids);
-	return (E_SUCCESS);
-}
diff --git a/usr/src/cmd/rcap/common/utils.h b/usr/src/cmd/rcap/common/utils.h
index 7196cfb4ce..cf2e17c080 100644
--- a/usr/src/cmd/rcap/common/utils.h
+++ b/usr/src/cmd/rcap/common/utils.h
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent, Inc. All rights reserved.
  */
 
 #ifndef	_UTILS_H
@@ -98,7 +99,6 @@ extern void vdprintfe(int, const char *, va_list);
 extern void dprintfe(int, char *, ...);
 extern void hrt2ts(hrtime_t, timestruc_t *);
 extern int xatoi(char *);
-extern int get_running_zones(uint_t *, zone_entry_t **);
 
 #ifdef	__cplusplus
 }
diff --git a/usr/src/cmd/rcap/rcapadm/rcapadm.c b/usr/src/cmd/rcap/rcapadm/rcapadm.c
index 92888b2071..b92115469a 100644
--- a/usr/src/cmd/rcap/rcapadm/rcapadm.c
+++ b/usr/src/cmd/rcap/rcapadm/rcapadm.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent, Inc. All rights reserved.
  */
 
 #include <sys/types.h>
@@ -145,20 +146,29 @@ out:
 	scf_handle_destroy(h);
 }
 
+static int
+set_zone_cap(char *zonename, uint64_t mcap)
+{
+	char cmd[128 + ZONENAME_MAX];
+
+	(void) snprintf(cmd, sizeof (cmd), "/usr/bin/prctl -r "
+	    "-n zone.max-physical-memory -v %llu -i zone %s", mcap, zonename);
+	return (system(cmd));
+}
+
 /*
  * Update the in-kernel memory cap for the specified zone.
  */
 static int
 update_zone_mcap(char *zonename, char *maxrss)
 {
-	zoneid_t zone_id;
 	uint64_t num;
 
 	if (getzoneid() != GLOBAL_ZONEID || zonecfg_in_alt_root())
 		return (E_SUCCESS);
 
 	/* get the running zone from the kernel */
-	if ((zone_id = getzoneidbyname(zonename)) == -1) {
+	if (getzoneidbyname(zonename) == -1) {
 		(void) fprintf(stderr, gettext("zone '%s' must be running\n"),
 		    zonename);
 		return (E_ERROR);
@@ -169,7 +179,7 @@ update_zone_mcap(char *zonename, char *maxrss)
 		return (E_ERROR);
 	}
 
-	if (zone_setattr(zone_id, ZONE_ATTR_PHYS_MCAP, &num, 0) == -1) {
+	if (set_zone_cap(zonename, num) == -1) {
 		(void) fprintf(stderr, gettext("could not set memory "
 		    "cap for zone '%s'\n"), zonename);
 		return (E_ERROR);
diff --git a/usr/src/cmd/rcap/rcapd/rcapd_collection_zone.c b/usr/src/cmd/rcap/rcapd/rcapd_collection_zone.c
index db86aa6276..88403dda37 100644
--- a/usr/src/cmd/rcap/rcapd/rcapd_collection_zone.c
+++ b/usr/src/cmd/rcap/rcapd/rcapd_collection_zone.c
@@ -21,16 +21,17 @@
 /*
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <procfs.h>
 #include <project.h>
 #include <stdlib.h>
 #include <strings.h>
 #include <zone.h>
 #include <libzonecfg.h>
+#include <dirent.h>
+#include <libproc.h>
 #include "rcapd.h"
 #include "utils.h"
 
@@ -39,61 +40,117 @@ extern boolean_t gz_capped;
 				/* round up to next y = 2^n */
 #define	ROUNDUP(x, y)		(((x) + ((y) - 1)) & ~((y) - 1))
 
-static void
-update_zone(zone_entry_t *zent, void *walk_data)
+static struct ps_prochandle *
+grab_zone_proc(zoneid_t zid)
 {
-	void(*update_notification_cb)(char *, char *, int, uint64_t, int) =
-	    (void(*)(char *, char *, int, uint64_t, int))walk_data;
-	int changes;
-	int64_t max_rss;
+	DIR *dirp;
+	struct dirent *dentp;
+	int pid, pid_self, tmp;
+	psinfo_t psinfo;
+	struct ps_prochandle *pr = NULL;
+
+	pid_self = getpid();
+
+	if ((dirp = opendir("/proc")) == NULL)
+		return (NULL);
+
+	while (dentp = readdir(dirp)) {
+		pid = atoi(dentp->d_name);
+
+		/* Skip self */
+		if (pid == pid_self)
+			continue;
+
+		if (proc_get_psinfo(pid, &psinfo) != 0)
+			continue;
+
+		if (psinfo.pr_zoneid != zid)
+			continue;
+
+		/* attempt to grab process */
+		if ((pr = Pgrab(pid, 0, &tmp)) != NULL) {
+			if (Psetflags(pr, PR_RLC) != 0) {
+				Prelease(pr, 0);
+			}
+			if (Pcreate_agent(pr) == 0) {
+				if (pr_getzoneid(pr) != zid) {
+					Prelease(pr, 0);
+					continue;
+				}
+
+				(void) closedir(dirp);
+				return (pr);
+			} else {
+				Prelease(pr, 0);
+			}
+		}
+	}
+
+	(void) closedir(dirp);
+	return (NULL);
+}
+
+static uint64_t
+get_zone_cap(zoneid_t zid)
+{
+	rctlblk_t *rblk;
 	uint64_t mcap;
-	lcollection_t *lcol;
-	rcid_t colid;
+	struct ps_prochandle *pr;
 
-	if (zone_getattr(zent->zid, ZONE_ATTR_PHYS_MCAP, &mcap,
-	    sizeof (mcap)) != -1 && mcap != 0)
-		max_rss = ROUNDUP(mcap, 1024) / 1024;
-	else
-		max_rss = 0;
-
-	if (zent->zid == GLOBAL_ZONEID) {
-		if (max_rss > 0)
-			gz_capped = B_TRUE;
-		else
-			gz_capped = B_FALSE;
+	if ((rblk = (rctlblk_t *)malloc(rctlblk_size())) == NULL)
+		return (UINT64_MAX);
+
+	if ((pr = grab_zone_proc(zid)) == NULL) {
+		free(rblk);
+		return (UINT64_MAX);
 	}
 
+	if (pr_getrctl(pr, "zone.max-physical-memory", NULL, rblk,
+	    RCTL_FIRST)) {
+		Pdestroy_agent(pr);
+		Prelease(pr, 0);
+		free(rblk);
+		return (UINT64_MAX);
+	}
 
-	colid.rcid_type = RCIDT_ZONE;
-	colid.rcid_val = zent->zid;
+	Pdestroy_agent(pr);
+	Prelease(pr, 0);
 
-	lcol = lcollection_insert_update(&colid, max_rss, zent->zname,
-	    &changes);
-	if (update_notification_cb != NULL)
-		update_notification_cb("zone", zent->zname, changes, max_rss,
-		    (lcol != NULL) ? lcol->lcol_mark : 0);
+	mcap = rctlblk_get_value(rblk);
+	free(rblk);
+	return (mcap);
 }
 
-
+/*
+ * For zones, rcapd only caps the global zone, since each non-global zone
+ * caps itself.
+ */
 /* ARGSUSED */
 void
 lcollection_update_zone(lcollection_update_type_t ut,
     void(*update_notification_cb)(char *, char *, int, uint64_t, int))
 {
-	int i;
-	uint_t nzents;
-	zone_entry_t *zents;
-
-	/*
-	 * Enumerate running zones.
-	 */
-	if (get_running_zones(&nzents, &zents) != 0)
-		return;
-
-	for (i = 0; i < nzents; i++) {
-		update_zone(&zents[i], (void *)update_notification_cb);
+	int changes;
+	int64_t max_rss;
+	uint64_t mcap;
+	lcollection_t *lcol;
+	rcid_t colid;
 
+	mcap = get_zone_cap(GLOBAL_ZONEID);
+	if (mcap != 0 && mcap != UINT64_MAX) {
+		max_rss = ROUNDUP(mcap, 1024) / 1024;
+		gz_capped = B_TRUE;
+	} else {
+		max_rss = UINT64_MAX / 1024;
+		gz_capped = B_FALSE;
 	}
 
-	free(zents);
+	colid.rcid_type = RCIDT_ZONE;
+	colid.rcid_val = GLOBAL_ZONEID;
+
+	lcol = lcollection_insert_update(&colid, max_rss, GLOBAL_ZONENAME,
+	    &changes);
+	if (update_notification_cb != NULL)
+		update_notification_cb("zone", GLOBAL_ZONENAME, changes,
+		    max_rss, (lcol != NULL) ? lcol->lcol_mark : 0);
 }
diff --git a/usr/src/cmd/rcap/rcapd/rcapd_scanner.c b/usr/src/cmd/rcap/rcapd/rcapd_scanner.c
index b39811b552..254bb9e922 100644
--- a/usr/src/cmd/rcap/rcapd/rcapd_scanner.c
+++ b/usr/src/cmd/rcap/rcapd/rcapd_scanner.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2012 Joyent, Inc.  All rights reserved.
  */
 
 #pragma ident	"%Z%%M%	%I%	%E% SMI"
@@ -551,7 +552,7 @@ pageout(pid_t pid, struct ps_prochandle *Pr, caddr_t start, caddr_t end)
 
 	errno = 0;
 	res = pr_memcntl(Pr, start, (end - start), MC_SYNC,
-	    (caddr_t)(MS_ASYNC | MS_INVALIDATE), 0, 0);
+	    (caddr_t)(MS_ASYNC | MS_INVALCURPROC), 0, 0);
 	debug_high("pr_memcntl [%p-%p): %d", (void *)start, (void *)end, res);
 
 	/*
diff --git a/usr/src/cmd/rcap/rcapstat/rcapstat.c b/usr/src/cmd/rcap/rcapstat/rcapstat.c
index 0632250fed..2838c6e5d5 100644
--- a/usr/src/cmd/rcap/rcapstat/rcapstat.c
+++ b/usr/src/cmd/rcap/rcapstat/rcapstat.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
 
 #include <sys/types.h>
@@ -72,6 +73,8 @@ typedef struct col {
 static col_t *col_head;
 static int ncol;
 
+#define	RCAPD_NA	"rcapd is not active (try zonememstat)\n"
+
 static col_t *
 col_find(rcid_t id)
 {
@@ -152,7 +155,7 @@ read_stats(rcid_type_t stat_type)
 	struct stat st;
 
 	if ((fd = open(STAT_FILE_DEFAULT, O_RDONLY)) < 0) {
-		warn(gettext("rcapd is not active\n"));
+		warn(gettext(RCAPD_NA));
 		return (E_ERROR);
 	}
 
@@ -173,7 +176,7 @@ read_stats(rcid_type_t stat_type)
 	pid = hdr.rs_pid;
 	(void) snprintf(procfile, 20, "/proc/%lld/psinfo", pid);
 	if ((proc_fd = open(procfile, O_RDONLY)) < 0) {
-		warn(gettext("rcapd is not active\n"));
+		warn(gettext(RCAPD_NA));
 		(void) close(fd);
 		return (E_ERROR);
 	}
diff --git a/usr/src/cmd/rcm_daemon/Makefile.com b/usr/src/cmd/rcm_daemon/Makefile.com
index 4b12d1cd27..59e6e49371 100644
--- a/usr/src/cmd/rcm_daemon/Makefile.com
+++ b/usr/src/cmd/rcm_daemon/Makefile.com
@@ -56,7 +56,6 @@ COMMON_MOD_SRC = \
 	$(COMMON)/pool_rcm.c \
 	$(COMMON)/mpxio_rcm.c \
 	$(COMMON)/ip_anon_rcm.c \
-	$(COMMON)/svm_rcm.c \
 	$(COMMON)/bridge_rcm.c
 
 sparc_MOD_SRC = $(COMMON)/ttymux_rcm.c
@@ -82,7 +81,6 @@ COMMON_MOD_OBJ = \
 	pool_rcm.o \
 	mpxio_rcm.o \
 	ip_anon_rcm.o \
-	svm_rcm.o \
 	bridge_rcm.o
 
 sparc_MOD_OBJ = ttymux_rcm.o
@@ -103,7 +101,6 @@ COMMON_RCM_MODS = \
 	SUNW_pool_rcm.so \
 	SUNW_mpxio_rcm.so \
 	SUNW_ip_anon_rcm.so \
-	SUNW_svm_rcm.so \
 	SUNW_bridge_rcm.so
 
 sparc_RCM_MODS = SUNW_ttymux_rcm.so
@@ -132,7 +129,6 @@ LINTFLAGS += -u -erroff=E_FUNC_ARG_UNUSED
 
 LDLIBS_MODULES = 
 SUNW_pool_rcm.so := LDLIBS_MODULES += -L$(ROOT)/usr/lib -lpool
-SUNW_svm_rcm.so	:= LDLIBS_MODULES += -L$(ROOT)/usr/lib -lmeta
 SUNW_network_rcm.so := LDLIBS_MODULES += -L$(ROOT)/lib -ldladm
 SUNW_vlan_rcm.so := LDLIBS_MODULES += -L$(ROOT)/lib -ldladm
 SUNW_vnic_rcm.so := LDLIBS_MODULES += -L$(ROOT)/lib -ldladm
diff --git a/usr/src/cmd/savecore/savecore.c b/usr/src/cmd/savecore/savecore.c
index 746c528347..f57309ec9b 100644
--- a/usr/src/cmd/savecore/savecore.c
+++ b/usr/src/cmd/savecore/savecore.c
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 1983, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 /*
  * Copyright 2012 Nexenta Systems, Inc. All rights reserved.
@@ -1929,24 +1929,32 @@ main(int argc, char *argv[])
 			if (sec < 1)
 				sec = 1;
 
-			(void) fprintf(mfile, "[[[[,,,");
-			for (i = 0; i < argc; i++)
-				(void) fprintf(mfile, "%s ", argv[i]);
-			(void) fprintf(mfile, "\n");
-			(void) fprintf(mfile, ",,,%s/%s\n", savedir, corefile);
-			(void) fprintf(mfile, ",,,%s %s %s %s %s\n",
-			    dumphdr.dump_utsname.sysname,
-			    dumphdr.dump_utsname.nodename,
-			    dumphdr.dump_utsname.release,
-			    dumphdr.dump_utsname.version,
-			    dumphdr.dump_utsname.machine);
-			(void) fprintf(mfile, "Uncompress pages,%"PRIu64"\n",
-			    saved);
-			(void) fprintf(mfile, "Uncompress time,%d\n", sec);
-			(void) fprintf(mfile, "Uncompress pages/sec,%"
-			    PRIu64"\n", saved / sec);
-			(void) fprintf(mfile, "]]]]\n");
-			(void) fclose(mfile);
+			if (mfile == NULL) {
+				logprint(SC_SL_WARN,
+				    "Can't create %s: %s",
+				    METRICSFILE, strerror(errno));
+			} else {
+				(void) fprintf(mfile, "[[[[,,,");
+				for (i = 0; i < argc; i++)
+					(void) fprintf(mfile, "%s ", argv[i]);
+				(void) fprintf(mfile, "\n");
+				(void) fprintf(mfile, ",,,%s/%s\n", savedir,
+				    corefile);
+				(void) fprintf(mfile, ",,,%s %s %s %s %s\n",
+				    dumphdr.dump_utsname.sysname,
+				    dumphdr.dump_utsname.nodename,
+				    dumphdr.dump_utsname.release,
+				    dumphdr.dump_utsname.version,
+				    dumphdr.dump_utsname.machine);
+				(void) fprintf(mfile,
+				    "Uncompress pages,%"PRIu64"\n", saved);
+				(void) fprintf(mfile, "Uncompress time,%d\n",
+				    sec);
+				(void) fprintf(mfile, "Uncompress pages/sec,%"
+				    PRIu64"\n", saved / sec);
+				(void) fprintf(mfile, "]]]]\n");
+				(void) fclose(mfile);
+			}
 		}
 	}
 
diff --git a/usr/src/cmd/sed/main.c b/usr/src/cmd/sed/main.c
index 204583b877..dc3ef02619 100644
--- a/usr/src/cmd/sed/main.c
+++ b/usr/src/cmd/sed/main.c
@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2013 Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.com>
  * Copyright (c) 2011 Gary Mills
- * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
+ * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 1992 Diomidis Spinellis.
  * Copyright (c) 1992, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -42,9 +42,7 @@
 #include <err.h>
 #include <errno.h>
 #include <fcntl.h>
-#include <getopt.h>
 #include <libgen.h>
-#include <libintl.h>
 #include <limits.h>
 #include <locale.h>
 #include <regex.h>
@@ -53,6 +51,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <libintl.h>
 
 #include "defs.h"
 #include "extern.h"
@@ -107,11 +106,6 @@ static char tmpfname[PATH_MAX];	/* Temporary file name (for in-place editing) */
 static const char *inplace;	/* Inplace edit file extension. */
 ulong_t linenum;
 
-static const struct option lopts[] = {
-	{"in-place",	optional_argument,	NULL,	'i'},
-	{NULL,		0,			NULL,	0}
-};
-
 static void add_compunit(enum e_cut, char *);
 static void add_file(char *);
 static void usage(void);
@@ -133,18 +127,14 @@ main(int argc, char *argv[])
 	fflag = 0;
 	inplace = NULL;
 
-	while ((c = getopt_long(argc, argv, "EI::ae:f:i::lnr", lopts, NULL)) !=
-	    -1)
+	while ((c = getopt(argc, argv, "EI:ae:f:i:lnr")) != -1)
 		switch (c) {
 		case 'r':		/* Gnu sed compat */
 		case 'E':
 			rflags = REG_EXTENDED;
 			break;
 		case 'I':
-			if (optarg != NULL)
-				inplace = optarg;
-			else
-				inplace = "";
+			inplace = optarg;
 			ispan = 1;	/* span across input files */
 			break;
 		case 'a':
@@ -161,10 +151,7 @@ main(int argc, char *argv[])
 			add_compunit(CU_FILE, optarg);
 			break;
 		case 'i':
-			if (optarg != NULL)
-				inplace = optarg;
-			else
-				inplace = "";
+			inplace = optarg;
 			ispan = 0;	/* don't span across input files */
 			break;
 		case 'l':
@@ -205,8 +192,8 @@ main(int argc, char *argv[])
 static void
 usage(void)
 {
-	(void) fputs(_("usage: sed script [-Ealn] [-i[extension]] [file...]\n"
-	    "       sed [-Ealn] [-i[extension]] [-e script]... "
+	(void) fputs(_("usage: sed script [-Ealn] [-i extension] [file...]\n"
+	    "       sed [-Ealn] [-i extension] [-e script]... "
 	    "[-f script_file]... [file...]\n"),
 	    stderr);
 	exit(1);
diff --git a/usr/src/cmd/sendmail/src/Makefile b/usr/src/cmd/sendmail/src/Makefile
index 14793754fd..9512a7d976 100644
--- a/usr/src/cmd/sendmail/src/Makefile
+++ b/usr/src/cmd/sendmail/src/Makefile
@@ -46,7 +46,7 @@ LDFLAGS +=	$(MAPFILES:%=-M%)
 
 LDLIBS += 	../libsmutil/libsmutil.a ../libsm/libsm.a -lresolv -lsocket \
 		-lnsl ../db/libdb.a -lldap -lsldap -lwrap -lumem \
-		-lssl -lcrypto -lsasl
+		-lsunw_ssl -lsunw_crypto -lsasl
 
 INCPATH=	-I. -I../include -I../db
 
diff --git a/usr/src/cmd/sgs/elfdump/Makefile.targ b/usr/src/cmd/sgs/elfdump/Makefile.targ
index f4d74fa9c6..971d9dfeb4 100644
--- a/usr/src/cmd/sgs/elfdump/Makefile.targ
+++ b/usr/src/cmd/sgs/elfdump/Makefile.targ
@@ -78,6 +78,8 @@ delete:
 
 package \
 install:        all $(VAR_SGSBINPROG) $(VAR_SGSCCSLINK)
+		-$(RM) $(ROOTPROG)
+		-$(LN) $(ISAEXEC) $(ROOTPROG)
 
 .PARALLEL:	$(LINTOUT32) $(LINTOUT64)
 
diff --git a/usr/src/cmd/sgs/elfdump/amd64/Makefile b/usr/src/cmd/sgs/elfdump/amd64/Makefile
index be0f2c33f6..039edb65b6 100644
--- a/usr/src/cmd/sgs/elfdump/amd64/Makefile
+++ b/usr/src/cmd/sgs/elfdump/amd64/Makefile
@@ -38,6 +38,8 @@ LINTFLAGS64 +=	$(VAR_LINTFLAGS64)
 VAR_SGSBINPROG= $(VAR_SGSBINPROG64)
 VAR_SGSCCSLINK= $(VAR_SGSCCSLINK64)
 
+install:	all $(ROOTPROG64)
+
 include		../Makefile.targ
 include		../../Makefile.sub.64
 
diff --git a/usr/src/cmd/sgs/elfdump/i386/Makefile b/usr/src/cmd/sgs/elfdump/i386/Makefile
index d3cb302ac1..95390a2899 100644
--- a/usr/src/cmd/sgs/elfdump/i386/Makefile
+++ b/usr/src/cmd/sgs/elfdump/i386/Makefile
@@ -30,4 +30,6 @@ include		../Makefile.com
 
 ARCH =		i386
 
+install:	all $(ROOTPROG32)
+
 include		../Makefile.targ
diff --git a/usr/src/cmd/sgs/lex/Makefile.targ b/usr/src/cmd/sgs/lex/Makefile.targ
index ea1bee3a62..d1e01f71c9 100644
--- a/usr/src/cmd/sgs/lex/Makefile.targ
+++ b/usr/src/cmd/sgs/lex/Makefile.targ
@@ -102,4 +102,4 @@ $(LINTPOUT): $(SRCS)
 	$(LINT.c) $(LIBSRCS)  $(LDLIBS)		2>&1 | tee -a $(LINTPOUT)
 
 $(LINTLIB): $(LINTSRCS)
-	$(LINT.c) -o $(LIBNAME) $(LINTSRCS)
+	$(LINT.c) -o $(LIBNAME) $(LINTSRCS) > $(LINTOUT) 2>&1
diff --git a/usr/src/cmd/sgs/lex/common/main.c b/usr/src/cmd/sgs/lex/common/main.c
index 17ba4808a4..a1fd526cf9 100644
--- a/usr/src/cmd/sgs/lex/common/main.c
+++ b/usr/src/cmd/sgs/lex/common/main.c
@@ -30,11 +30,15 @@
 
 /* Copyright 1976, Bell Telephone Laboratories, Inc. */
 
+/* Copyright (c) 2013, joyent, Inc.  All rights reserved. */
+
 #include <string.h>
 #include "once.h"
 #include "sgs.h"
 #include <locale.h>
 #include <limits.h>
+#include <unistd.h>
+#include <libgen.h>
 
 static wchar_t  L_INITIAL[] = {'I', 'N', 'I', 'T', 'I', 'A', 'L', 0};
 static void get1core(void);
@@ -46,6 +50,25 @@ static void get3core(void);
 static void free3core(void);
 #endif
 
+static int
+lex_construct_path(char *buf, size_t size, const char *file, int type)
+{
+	int ret;
+	char origin[PATH_MAX];
+
+	if (type != 0) {
+		ret = readlink("/proc/self/path/a.out", origin, PATH_MAX - 1);
+		if (ret < 0)
+			error(
+			    "lex: failed to read origin from /proc\n");
+		origin[ret] = '\0';
+		return (snprintf(buf, size, "%s/../%s/%s", dirname(origin),
+		    NBASE, file));
+	}
+
+	return (snprintf(buf, size, "%s/%s/%s", NPREFIX, NBASE, file));
+}
+
 int
 main(int argc, char **argv)
 {
@@ -53,6 +76,7 @@ main(int argc, char **argv)
 	int c;
 	char *apath = NULL;
 	char *ypath;
+	char pathbuf[PATH_MAX];
 	Boolean eoption = 0, woption = 0;
 
 	sargv = argv;
@@ -224,6 +248,11 @@ main(int argc, char **argv)
 	free3core();
 #endif
 
+	/*
+	 * Try to find the file relative to $ORIGIN. Note that we don't touch
+	 * antyhing related to -Y. In fact, unfortunately it's always been
+	 * ignored it seems.
+	 */
 	if (handleeuc) {
 		if (ratfor)
 			error("Ratfor is not supported by -w or -e option.");
@@ -232,9 +261,19 @@ main(int argc, char **argv)
 	else
 		ypath = ratfor ? RATNAME : CNAME;
 
-	if (apath != NULL)
-		ypath = strcat(apath, strrchr(ypath, '/'));
-	fother = fopen(ypath, "r");
+	if (apath == NULL) {
+		(void) lex_construct_path(pathbuf, sizeof (pathbuf), ypath, 1);
+		fother = fopen(pathbuf, "r");
+		if (fother == NULL) {
+			(void) lex_construct_path(pathbuf, sizeof (pathbuf),
+			    ypath, 0);
+			fother = fopen(pathbuf, "r");
+		}
+	} else {
+		apath = strcat(apath, "/");
+		ypath = strcat(apath, ypath);
+		fother = fopen(ypath, "r");
+	}
 	if (fother == NULL)
 		error("Lex driver missing, file %s", ypath);
 	while ((i = getc(fother)) != EOF)
diff --git a/usr/src/cmd/sgs/lex/common/once.h b/usr/src/cmd/sgs/lex/common/once.h
index 014ca00b17..9e4b0e5e00 100644
--- a/usr/src/cmd/sgs/lex/common/once.h
+++ b/usr/src/cmd/sgs/lex/common/once.h
@@ -26,11 +26,11 @@
 /*	Copyright (c) 1988 AT&T	*/
 /*	All Rights Reserved	*/
 
+/* Copyright (c) 2013, joyent, Inc.  All rights reserved. */
+
 #ifndef	_ONCE_H
 #define	_ONCE_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include "ldefs.h"
 
 /* once.c */
@@ -73,9 +73,11 @@ int	peek = '\n';	/* next input character */
 CHR	*pushptr = pushc;
 CHR	*slptr = slist;
 
-#define	CNAME "/usr/share/lib/ccs/ncform"
-#define	RATNAME "/usr/share/lib/ccs/nrform"
-#define	EUCNAME "/usr/share/lib/ccs/nceucform"
+#define	NPREFIX	"/usr"
+#define	NBASE "/share/lib/ccs/"
+#define	CNAME "ncform"
+#define	RATNAME "nrform"
+#define	EUCNAME "nceucform"
 
 int ccount = 1;
 int casecount = 1;
diff --git a/usr/src/cmd/sgs/libconv/common/corenote.c b/usr/src/cmd/sgs/libconv/common/corenote.c
index eb998bae45..863c3bc917 100644
--- a/usr/src/cmd/sgs/libconv/common/corenote.c
+++ b/usr/src/cmd/sgs/libconv/common/corenote.c
@@ -25,7 +25,7 @@
  */
 /*
  * Copyright 2012 DEY Storage Systems, Inc.  All rights reserved.
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -76,7 +76,7 @@ const char *
 conv_cnote_auxv_type(Word type, Conv_fmt_flags_t fmt_flags,
     Conv_inv_buf_t *inv_buf)
 {
-	static const Msg	types_0_22[] = {
+	static const Msg	types_0_25[] = {
 		MSG_AUXV_AT_NULL,		MSG_AUXV_AT_IGNORE,
 		MSG_AUXV_AT_EXECFD,		MSG_AUXV_AT_PHDR,
 		MSG_AUXV_AT_PHENT,		MSG_AUXV_AT_PHNUM,
@@ -88,10 +88,11 @@ conv_cnote_auxv_type(Word type, Conv_fmt_flags_t fmt_flags,
 		MSG_AUXV_AT_HWCAP,		MSG_AUXV_AT_CLKTCK,
 		MSG_AUXV_AT_FPUCW,		MSG_AUXV_AT_DCACHEBSIZE,
 		MSG_AUXV_AT_ICACHEBSIZE,	MSG_AUXV_AT_UCACHEBSIZE,
-		MSG_AUXV_AT_IGNOREPPC
+		MSG_AUXV_AT_IGNOREPPC,		MSG_AUXV_AT_SECURE,
+		MSG_AUXV_AT_BASE_PLATFORM,	MSG_AUXV_AT_RANDOM
 	};
-	static const conv_ds_msg_t ds_types_0_22 = {
-	    CONV_DS_MSG_INIT(0, types_0_22) };
+	static const conv_ds_msg_t ds_types_0_25 = {
+	    CONV_DS_MSG_INIT(0, types_0_25) };
 
 	static const Msg	types_2000_2011[] = {
 		MSG_AUXV_AT_SUN_UID,		MSG_AUXV_AT_SUN_RUID,
@@ -104,19 +105,20 @@ conv_cnote_auxv_type(Word type, Conv_fmt_flags_t fmt_flags,
 	static const conv_ds_msg_t ds_types_2000_2011 = {
 	    CONV_DS_MSG_INIT(2000, types_2000_2011) };
 
-	static const Msg	types_2014_2023[] = {
+	static const Msg	types_2014_2024[] = {
 		MSG_AUXV_AT_SUN_EXECNAME,	MSG_AUXV_AT_SUN_MMU,
 		MSG_AUXV_AT_SUN_LDDATA,		MSG_AUXV_AT_SUN_AUXFLAGS,
 		MSG_AUXV_AT_SUN_EMULATOR,	MSG_AUXV_AT_SUN_BRANDNAME,
 		MSG_AUXV_AT_SUN_BRAND_AUX1,	MSG_AUXV_AT_SUN_BRAND_AUX2,
-		MSG_AUXV_AT_SUN_BRAND_AUX3,	MSG_AUXV_AT_SUN_HWCAP2
+		MSG_AUXV_AT_SUN_BRAND_AUX3,	MSG_AUXV_AT_SUN_HWCAP2,
+		MSG_AUXV_AT_SUN_BRAND_NROOT
 	};
-	static const conv_ds_msg_t ds_types_2014_2023 = {
-	    CONV_DS_MSG_INIT(2014, types_2014_2023) };
+	static const conv_ds_msg_t ds_types_2014_2024 = {
+	    CONV_DS_MSG_INIT(2014, types_2014_2024) };
 
 	static const conv_ds_t	*ds[] = {
-		CONV_DS_ADDR(ds_types_0_22), CONV_DS_ADDR(ds_types_2000_2011),
-		CONV_DS_ADDR(ds_types_2014_2023), NULL };
+		CONV_DS_ADDR(ds_types_0_25), CONV_DS_ADDR(ds_types_2000_2011),
+		CONV_DS_ADDR(ds_types_2014_2024), NULL };
 
 	return (conv_map_ds(ELFOSABI_NONE, EM_NONE, type, ds, fmt_flags,
 	    inv_buf));
diff --git a/usr/src/cmd/sgs/libconv/common/corenote.msg b/usr/src/cmd/sgs/libconv/common/corenote.msg
index f1cc32dfde..c68b826f72 100644
--- a/usr/src/cmd/sgs/libconv/common/corenote.msg
+++ b/usr/src/cmd/sgs/libconv/common/corenote.msg
@@ -24,7 +24,7 @@
 # Use is subject to license terms.
 #
 # Copyright 2012 DEY Storage Systems, Inc.  All rights reserved.
-# Copyright (c) 2013, Joyent, Inc. All rights reserved.
+# Copyright (c) 2014, Joyent, Inc. All rights reserved.
 #
 
 @ MSG_NT_PRSTATUS		"[ NT_PRSTATUS ]"
@@ -78,6 +78,9 @@
 @ MSG_AUXV_AT_ICACHEBSIZE		"ICACHEBSIZE"
 @ MSG_AUXV_AT_UCACHEBSIZE		"UCACHEBSIZE"
 @ MSG_AUXV_AT_IGNOREPPC			"IGNOREPPC"
+@ MSG_AUXV_AT_SECURE			"SECURE"
+@ MSG_AUXV_AT_BASE_PLATFORM		"BASE_PLATFORM"
+@ MSG_AUXV_AT_RANDOM			"RANDOM"
 @ MSG_AUXV_AT_SUN_UID			"SUN_UID"
 @ MSG_AUXV_AT_SUN_RUID			"SUN_RUID"
 @ MSG_AUXV_AT_SUN_GID			"SUN_GID"
@@ -100,6 +103,7 @@
 @ MSG_AUXV_AT_SUN_BRAND_AUX2		"SUN_BRAND_AUX2"
 @ MSG_AUXV_AT_SUN_BRAND_AUX3		"SUN_BRAND_AUX3"
 @ MSG_AUXV_AT_SUN_HWCAP2		"SUN_HWCAP2"
+@ MSG_AUXV_AT_SUN_BRAND_NROOT		"SUN_BRAND_NROOT"
 
 
 @ MSG_CC_CONTENT_STACK		"STACK"
diff --git a/usr/src/cmd/sgs/librtld_db/common/librtld_db.msg b/usr/src/cmd/sgs/librtld_db/common/librtld_db.msg
index fbc595f5f4..5b0ad9533a 100644
--- a/usr/src/cmd/sgs/librtld_db/common/librtld_db.msg
+++ b/usr/src/cmd/sgs/librtld_db/common/librtld_db.msg
@@ -24,6 +24,10 @@
 # Use is subject to license terms.
 #
 
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
 # Message file for cmd/sgs/librtld_db.
 
 @ MSG_ID_LIBRTLD_DB
@@ -104,7 +108,7 @@
 @ MSG_DB_RDOBJPADE	"rtld_db: rd_objpad_enable(padsize=0x%llx)"
 @ MSG_DB_64BIT_PREFIX	"64/"
 @ MSG_DB_BRAND_HELPERPATH_PREFIX "%s/%s/%s/%s%s_librtld_db.so.1"
-@ MSG_DB_BRAND_HELPERPATH "%s/%s/%s%s_librtld_db.so.1"
+@ MSG_DB_BRAND_HELPERPATH "%s/%s/%s/%s%s_librtld_db.so.1"
 @ MSG_DB_HELPERNOOPS	"rtld_db: helper lib loaded but ops not preset"
 @ MSG_DB_HELPERLOADED	"rtld_db: helper library loaded for brand \"%s\""
 @ MSG_DB_HELPERLOADFAILED "rtld_db: couldn't load brand helper library %s"
diff --git a/usr/src/cmd/sgs/librtld_db/common/rd_elf.c b/usr/src/cmd/sgs/librtld_db/common/rd_elf.c
index 410b819b30..b3de685b81 100644
--- a/usr/src/cmd/sgs/librtld_db/common/rd_elf.c
+++ b/usr/src/cmd/sgs/librtld_db/common/rd_elf.c
@@ -23,6 +23,10 @@
  * Use is subject to license terms.
  */
 
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
 #include	<stdlib.h>
 #include	<stdio.h>
 #include	<proc_service.h>
@@ -38,6 +42,14 @@
 #include	<sys/param.h>
 
 /*
+ * We want to include zone.h to pull in the prototype for zone_get_nroot(),
+ * but we need to avoid pulling in <sys/stream.h>, which has a definition
+ * of M_DATA that conflicts with the ELF-related definition in machdep_*.h.
+ */
+#define		_SYS_STREAM_H
+#include	<zone.h>
+
+/*
  * 64-bit builds are going to compile this module twice, the
  * second time with _ELF64 defined.  These defines should make
  * all the necessary adjustments to the code.
@@ -283,7 +295,9 @@ _rd_reset32(struct rd_agent *rap)
 	 * If we are debugging a branded executable, load the appropriate
 	 * helper library, and call its initialization routine.  Being unable
 	 * to load the helper library is not a critical error.  (Hopefully
-	 * we'll still be able to access some objects in the target.)
+	 * we'll still be able to access some objects in the target.)  Note
+	 * that we pull in the native root here to allow for helper libraries
+	 * to be properly found from within the branded zone.
 	 */
 	ps_pbrandname = (ps_pbrandname_fp_t)dlsym(RTLD_PROBE, "ps_pbrandname");
 	while ((ps_pbrandname != NULL) &&
@@ -294,17 +308,23 @@ _rd_reset32(struct rd_agent *rap)
 		isa = MSG_ORIG(MSG_DB_64BIT_PREFIX);
 #endif /* _LP64 */
 
-		if (rtld_db_helper_path[0] != '\0')
+		if (rtld_db_helper_path[0] != '\0') {
 			(void) snprintf(brandlib, MAXPATHLEN,
 			    MSG_ORIG(MSG_DB_BRAND_HELPERPATH_PREFIX),
 			    rtld_db_helper_path,
 			    MSG_ORIG(MSG_DB_HELPER_PREFIX), brandname, isa,
 			    brandname);
-		else
+		} else {
+			const char *nroot = zone_get_nroot();
+
+			if (nroot == NULL)
+				nroot = "";
+
 			(void) snprintf(brandlib, MAXPATHLEN,
-			    MSG_ORIG(MSG_DB_BRAND_HELPERPATH),
+			    MSG_ORIG(MSG_DB_BRAND_HELPERPATH), nroot,
 			    MSG_ORIG(MSG_DB_HELPER_PREFIX), brandname, isa,
 			    brandname);
+		}
 
 		rap->rd_helper.rh_dlhandle = dlopen(brandlib,
 		    RTLD_LAZY | RTLD_LOCAL);
diff --git a/usr/src/cmd/sgs/rtld/common/_rtld.h b/usr/src/cmd/sgs/rtld/common/_rtld.h
index ece14a855e..83b7071471 100644
--- a/usr/src/cmd/sgs/rtld/common/_rtld.h
+++ b/usr/src/cmd/sgs/rtld/common/_rtld.h
@@ -26,7 +26,7 @@
  * Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
  */
 /*
- * Copyright (c) 2012, Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
  */
 #ifndef	__RTLD_H
 #define	__RTLD_H
@@ -589,6 +589,8 @@ extern const char	*rpl_ldflags;	/* replaceable LD_FLAGS string */
 extern const char	*rpl_libpath;	/* replaceable LD_LIBRARY string */
 extern Alist		*rpl_libdirs;	/*	and its associated Pdesc list */
 extern const char	*rpl_preload;	/* replaceable LD_PRELOAD string */
+extern const char	*rpl_ldtoxic;	/* replaceable LD_TOXIC_PATH string */
+extern Alist		*rpl_toxdirs;	/*    and associated Pdesc list */
 
 extern const char	*prm_audit;	/* permanent LD_AUDIT string */
 extern const char	*prm_debug;	/* permanent LD_DEBUG string */
diff --git a/usr/src/cmd/sgs/rtld/common/analyze.c b/usr/src/cmd/sgs/rtld/common/analyze.c
index e14c121f07..df05f21924 100644
--- a/usr/src/cmd/sgs/rtld/common/analyze.c
+++ b/usr/src/cmd/sgs/rtld/common/analyze.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -834,6 +835,44 @@ is_so_loaded(Lm_list *lml, const char *name, int *in_nfavl)
 }
 
 /*
+ * Walk the toxic path list and determine if the object in question has violated
+ * the toxic path. When evaluating the toxic path we need to ensure that we
+ * match any path that's a subdirectory of a listed entry. In other words if
+ * /foo/bar is toxic, something in /foo/bar/baz/ is no good. However, we need to
+ * ensure that we don't mark /foo/barbaz/ as bad.
+ */
+static int
+is_load_toxic(Lm_list *lml, Rt_map *nlmp)
+{
+	const char	*fpath = PATHNAME(nlmp);
+	size_t		flen = strlen(fpath);
+	Pdesc 		*pdp;
+	Aliste 		idx;
+
+	for (ALIST_TRAVERSE(rpl_toxdirs, idx, pdp)) {
+		if (pdp->pd_plen == 0)
+			continue;
+
+		if (strncmp(pdp->pd_pname, fpath, pdp->pd_plen) == 0) {
+			if (pdp->pd_pname[pdp->pd_plen-1] != '/') {
+				/*
+				 * Path didn't end in a /, make sure
+				 * we're at a directory boundary
+				 * nonetheless.
+				 */
+				if (flen > pdp->pd_plen &&
+				    fpath[pdp->pd_plen] == '/')
+					return (1);
+				continue;
+			}
+			return (1);
+		}
+	}
+
+	return (0);
+}
+
+/*
  * Tracing is enabled by the LD_TRACE_LOADED_OPTIONS environment variable which
  * is normally set from ldd(1).  For each link map we load, print the load name
  * and the full pathname of the associated object.
@@ -2169,6 +2208,17 @@ load_finish(Lm_list *lml, const char *name, Rt_map *clmp, int nmode,
 	uint_t		rdflags;
 
 	/*
+	 * If this dependency is associated with a toxic path, then we must
+	 * honor the user's request to die.
+	 */
+	if (is_load_toxic(lml, nlmp) != 0) {
+		eprintf(lml, ERR_FATAL, MSG_INTL(MSG_TOXIC_FILE),
+		    PATHNAME(nlmp));
+		rtldexit(lml, 1);
+
+	}
+
+	/*
 	 * If this dependency is associated with a required version ensure that
 	 * the version is present in the loaded file.
 	 */
diff --git a/usr/src/cmd/sgs/rtld/common/globals.c b/usr/src/cmd/sgs/rtld/common/globals.c
index 5f48fafc5f..2e98768551 100644
--- a/usr/src/cmd/sgs/rtld/common/globals.c
+++ b/usr/src/cmd/sgs/rtld/common/globals.c
@@ -24,6 +24,7 @@
  *	  All Rights Reserved
  *
  * Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
  */
 
 #include	<sys/types.h>
@@ -132,6 +133,8 @@ const char	*rpl_ldflags = NULL;	/* replaceable LD_FLAGS string */
 const char	*rpl_libpath = NULL;	/* replaceable LD_LIBRARY_PATH string */
 Alist		*rpl_libdirs = NULL;	/*    and associated Pdesc list */
 const char	*rpl_preload = NULL;	/* replaceable LD_PRELOAD string */
+const char	*rpl_ldtoxic = NULL;	/* replaceable LD_TOXIC string */
+Alist		*rpl_toxdirs = NULL;	/*    and associated Pdesc list */
 
 const char	*prm_audit = NULL;	/* permanent LD_AUDIT string */
 const char	*prm_debug = NULL;	/* permanent LD_DEBUG string */
diff --git a/usr/src/cmd/sgs/rtld/common/rtld.msg b/usr/src/cmd/sgs/rtld/common/rtld.msg
index 97e2841b8f..9309d0c62e 100644
--- a/usr/src/cmd/sgs/rtld/common/rtld.msg
+++ b/usr/src/cmd/sgs/rtld/common/rtld.msg
@@ -21,6 +21,7 @@
 
 #
 # Copyright (c) 1995, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2014, Joyent, Inc.  All rights reserved.
 #
 
 @ _START_
@@ -99,9 +100,14 @@
 @ MSG_SYS_MPROT		"%s: mprotect failed: %s"
 @ MSG_SYS_MMAPANON	"mmap anon failed: %s"
 
+# Secure path failures
+
 @ MSG_SEC_OPEN		"%s: open failed: No such file in secure directories"
 @ MSG_SEC_ILLEGAL	"%s: open failed: illegal insecure pathname"
 
+# Toxic failures
+
+@ MSG_TOXIC_FILE	"%s: dependency marked as toxic"
 
 # Configuration failures
 
@@ -395,6 +401,7 @@
 @ MSG_LD_PROFILE_OUTPUT	"PROFILE_OUTPUT"
 @ MSG_LD_SFCAP		"SFCAP"
 @ MSG_LD_SIGNAL		"SIGNAL"
+@ MSG_LD_TOXICPATH	"TOXIC_PATH"
 @ MSG_LD_TRACE_OBJS	"TRACE_LOADED_OBJECTS"
 @ MSG_LD_TRACE_OBJS_E	"TRACE_LOADED_OBJECTS_E"
 @ MSG_LD_TRACE_OBJS_A	"TRACE_LOADED_OBJECTS_A"
diff --git a/usr/src/cmd/sgs/rtld/common/setup.c b/usr/src/cmd/sgs/rtld/common/setup.c
index 862bb7d61f..98e3ba5d33 100644
--- a/usr/src/cmd/sgs/rtld/common/setup.c
+++ b/usr/src/cmd/sgs/rtld/common/setup.c
@@ -28,7 +28,7 @@
  *	  All Rights Reserved
  */
 /*
- * Copyright (c) 2012, Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
  */
 
 /*
@@ -819,6 +819,14 @@ setup(char **envp, auxv_t *auxv, Word _flags, char *_platform, int _syspagsz,
 			return (0);
 	}
 
+	/*
+	 * Initialize our toxic paths
+	 */
+	if (rpl_ldtoxic != NULL) {
+		(void) expand_paths(mlmp, rpl_ldtoxic, &rpl_toxdirs,
+		    AL_CNT_SEARCH, 0, PD_TKN_CAP);
+	}
+
 #if	defined(_ELF64)
 	/*
 	 * If this is a 64-bit process, determine whether this process has
diff --git a/usr/src/cmd/sgs/rtld/common/util.c b/usr/src/cmd/sgs/rtld/common/util.c
index a702b20e78..09cabeb31b 100644
--- a/usr/src/cmd/sgs/rtld/common/util.c
+++ b/usr/src/cmd/sgs/rtld/common/util.c
@@ -24,6 +24,7 @@
  *	  All Rights Reserved
  *
  * Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
  */
 
 /*
@@ -1428,6 +1429,7 @@ static	u_longlong_t		cmdisa = 0;	/* command line (-e) ISA */
 #define	ENV_FLG_CAP_FILES	0x0080000000000ULL
 #define	ENV_FLG_DEFERRED	0x0100000000000ULL
 #define	ENV_FLG_NOENVIRON	0x0200000000000ULL
+#define	ENV_FLG_TOXICPATH	0x0400000000000ULL
 
 #define	SEL_REPLACE		0x0001
 #define	SEL_PERMANT		0x0002
@@ -1601,8 +1603,7 @@ ld_generic_env(const char *s1, size_t len, const char *s2, Word *lmflags,
 		if ((len == MSG_LD_FLAGS_SIZE) && (strncmp(s1,
 		    MSG_ORIG(MSG_LD_FLAGS), MSG_LD_FLAGS_SIZE) == 0)) {
 			select |= SEL_ACT_SPEC_1;
-			str = (select & SEL_REPLACE) ? &rpl_ldflags :
-			    &prm_ldflags;
+			str = &rpl_ldflags;
 			variable = ENV_FLG_FLAGS;
 		}
 	}
@@ -1813,6 +1814,8 @@ ld_generic_env(const char *s1, size_t len, const char *s2, Word *lmflags,
 	 * In case an auditor is called, which in turn might exec(2) a
 	 * subprocess, this variable is disabled, so that any subprocess
 	 * escapes ldd(1) processing.
+	 *
+	 * Also, look for LD_TOXIC_PATH
 	 */
 	else if (*s1 == 'T') {
 		if (((len == MSG_LD_TRACE_OBJS_SIZE) &&
@@ -1850,7 +1853,13 @@ ld_generic_env(const char *s1, size_t len, const char *s2, Word *lmflags,
 			select |= SEL_ACT_LML;
 			val = LML_FLG_TRC_SEARCH;
 			variable = ENV_FLG_TRACE_PTHS;
+		} else if ((len == MSG_LD_TOXICPATH_SIZE) && (strncmp(s1,
+		    MSG_ORIG(MSG_LD_TOXICPATH), MSG_LD_TOXICPATH_SIZE) == 0)) {
+			select |= SEL_ACT_SPEC_1;
+			str = &rpl_ldtoxic;
+			variable = ENV_FLG_TOXICPATH;
 		}
+
 	}
 	/*
 	 * LD_UNREF and LD_UNUSED (internal, used by ldd(1)).
@@ -1974,7 +1983,8 @@ ld_generic_env(const char *s1, size_t len, const char *s2, Word *lmflags,
 			*lmtflags &= ~val;
 	} else if (select & SEL_ACT_SPEC_1) {
 		/*
-		 * variable is either ENV_FLG_FLAGS or ENV_FLG_LIBPATH
+		 * variable is either ENV_FLG_FLAGS, ENV_FLG_LIBPATH, or
+		 * ENV_FLG_TOXICPATH
 		 */
 		if (env_flags & ENV_TYP_NULL)
 			*str = NULL;
diff --git a/usr/src/cmd/sgs/yacc/Makefile.targ b/usr/src/cmd/sgs/yacc/Makefile.targ
index 87f8c5221e..e97d36e4ff 100644
--- a/usr/src/cmd/sgs/yacc/Makefile.targ
+++ b/usr/src/cmd/sgs/yacc/Makefile.targ
@@ -100,4 +100,4 @@ $(LINTPOUT):	$(SRCS)
 
 
 $(LINTLIB):	$(LINTSRCS)
-		$(LINT.c) -o $(LIBNAME) $(LINTSRCS)
+		$(LINT.c) -o $(LIBNAME) $(LINTSRCS) > $(LINTOUT) 2>&1
diff --git a/usr/src/cmd/sgs/yacc/common/dextern.h b/usr/src/cmd/sgs/yacc/common/dextern.h
index e90aa60468..54b441cac4 100644
--- a/usr/src/cmd/sgs/yacc/common/dextern.h
+++ b/usr/src/cmd/sgs/yacc/common/dextern.h
@@ -26,11 +26,13 @@
 /* Copyright (c) 1988 AT&T */
 /* All Rights Reserved */
 
+/*
+ * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ */
+
 #ifndef _DEXTERN_H
 #define	_DEXTERN_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <stdio.h>
 #include <inttypes.h>
 #include <ctype.h>
@@ -42,6 +44,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <wctype.h>
+#include <limits.h>
 
 #ifdef	__cplusplus
 extern "C" {
@@ -301,6 +304,12 @@ extern int wscmp(const wchar_t *, const wchar_t *);
 
 extern char *parser;
 
+#ifndef	PBUFSIZE
+#define	PBUFSIZE PATH_MAX
+#endif
+
+extern char pbuf[PBUFSIZE];
+
 	/* default settings for a number of macros */
 
 	/* name of yacc tempfiles */
@@ -324,7 +333,11 @@ extern char *parser;
 #endif
 
 #ifndef PARSER
-#define	PARSER "/usr/share/lib/ccs/yaccpar"
+#define	PARSER "/share/lib/ccs/yaccpar"
+#endif
+
+#ifndef	PARSERPREFIX
+#define	PARSERPREFIX "/usr"
 #endif
 
 /*
diff --git a/usr/src/cmd/sgs/yacc/common/y1.c b/usr/src/cmd/sgs/yacc/common/y1.c
index 845f82d367..0e67d9047b 100644
--- a/usr/src/cmd/sgs/yacc/common/y1.c
+++ b/usr/src/cmd/sgs/yacc/common/y1.c
@@ -26,7 +26,9 @@
 /* Copyright (c) 1988 AT&T */
 /* All Rights Reserved */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ */
 
 #include "dextern.h"
 #include <sys/param.h>
@@ -34,6 +36,7 @@
 #include <unistd.h>
 #include <locale.h>
 #include <stdarg.h>	/* For error() */
+#include <libgen.h>
 
 static void mktbls(void);
 static void others(void);
@@ -236,6 +239,25 @@ mktbls()
 	lsetsize = INIT_LSIZE + 1;
 }
 
+static int
+yacc_assemble_path(char *buf, size_t size, const char *file, int type)
+{
+	int ret;
+	char origin[PATH_MAX];
+
+	if (type != 0) {
+		ret = readlink("/proc/self/path/a.out", origin, PATH_MAX - 1);
+		if (ret < 0)
+			error(gettext(
+			    "yacc: failed to read origin from /proc\n"));
+		origin[ret] = '\0';
+		return (snprintf(buf, size, "%s/../%s", dirname(origin),
+		    file));
+	}
+
+	return (snprintf(buf, size, "%s/%s", PARSERPREFIX, file));
+}
+
 /* put out other arrays, copy the parsers */
 static void
 others()
@@ -244,7 +266,17 @@ others()
 	int c, i, j;
 	int tmpline;
 
-	finput = fopen(parser, "r");
+	if (parser == NULL) {
+		parser = pbuf;
+		(void) yacc_assemble_path(pbuf, PBUFSIZE, PARSER, 1);
+		finput = fopen(parser, "r");
+		if (finput == NULL) {
+			(void) yacc_assemble_path(pbuf, PBUFSIZE, PARSER, 0);
+			finput = fopen(parser, "r");
+		}
+	} else {
+		finput = fopen(parser, "r");
+	}
 	if (finput == NULL)
 /*
  * TRANSLATION_NOTE  -- This is a message from yacc.
diff --git a/usr/src/cmd/sgs/yacc/common/y2.c b/usr/src/cmd/sgs/yacc/common/y2.c
index 3599d40904..ca8dcc61f5 100644
--- a/usr/src/cmd/sgs/yacc/common/y2.c
+++ b/usr/src/cmd/sgs/yacc/common/y2.c
@@ -26,7 +26,9 @@
 /* Copyright (c) 1988 AT&T */
 /* All Rights Reserved */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ */
 
 #include "dextern.h"
 #include "sgs.h"
@@ -60,7 +62,8 @@ char *infile;				/* input file name 		*/
 static int numbval;			/* value of an input number 	*/
 static int toksize = NAMESIZE;
 static wchar_t *tokname;	/* input token name		*/
-char *parser = PARSER;		/* location of common parser 	*/
+char *parser = NULL;		/* location of common parser 	*/
+char pbuf[PBUFSIZE];
 
 static void finact(void);
 static wchar_t *cstash(wchar_t *);
diff --git a/usr/src/cmd/ssh/Makefile b/usr/src/cmd/ssh/Makefile
index a36a9fb762..62f30b3f36 100644
--- a/usr/src/cmd/ssh/Makefile
+++ b/usr/src/cmd/ssh/Makefile
@@ -77,7 +77,7 @@ check: $(CHECKHDRS)
 _msg:
 	$(RM) $(POFILE)
 	$(TOUCH) $(POFILE)
-	$(MAKE) $(POFILE) XGETTEXT=/usr/bin/gxgettext
+	$(MAKE) $(POFILE) XGETTEXT=$(GNUXGETTEXT)
 	$(CP) $(POFILE) $(MSGFILE)
 	$(CP) $(MSGFILE) $(MSGDOMAIN)
 
diff --git a/usr/src/cmd/ssh/include/key.h b/usr/src/cmd/ssh/include/key.h
index 862b2d81d4..ec4993a9c1 100644
--- a/usr/src/cmd/ssh/include/key.h
+++ b/usr/src/cmd/ssh/include/key.h
@@ -39,11 +39,17 @@ extern "C" {
 
 typedef struct Key Key;
 enum types {
-	KEY_RSA1,
-	KEY_RSA,
-	KEY_DSA,
+        KEY_RSA1,
+        KEY_RSA,
+        KEY_DSA,
+        KEY_ECDSA,
+        KEY_RSA_CERT,
+        KEY_DSA_CERT,
+        KEY_ECDSA_CERT,
+        KEY_RSA_CERT_V00,
+        KEY_DSA_CERT_V00,
 	KEY_NULL,
-	KEY_UNSPEC
+        KEY_UNSPEC
 };
 enum fp_type {
 	SSH_FP_SHA1,
@@ -87,6 +93,7 @@ int	 key_names_valid2(const char *);
 int	 key_sign(Key *, u_char **, u_int *, u_char *, u_int);
 int	 key_verify(Key *, u_char *, u_int, u_char *, u_int);
 
+int      key_type_plain(int type);
 #ifdef __cplusplus
 }
 #endif
diff --git a/usr/src/cmd/ssh/include/servconf.h b/usr/src/cmd/ssh/include/servconf.h
index a66c6415cb..9a32544c2a 100644
--- a/usr/src/cmd/ssh/include/servconf.h
+++ b/usr/src/cmd/ssh/include/servconf.h
@@ -167,6 +167,7 @@ typedef struct {
 	char   *pre_userauth_hook;
 	char   *pam_service_prefix;
 	char   *pam_service_name;
+	char   *pubkey_plugin;	
 
 }       ServerOptions;
 
diff --git a/usr/src/cmd/ssh/libssh/common/canohost.c b/usr/src/cmd/ssh/libssh/common/canohost.c
index 2d427b9e8d..87aab396cf 100644
--- a/usr/src/cmd/ssh/libssh/common/canohost.c
+++ b/usr/src/cmd/ssh/libssh/common/canohost.c
@@ -73,9 +73,6 @@ get_remote_hostname(int socket, int verify_reverse_mapping)
 	if (getnameinfo((struct sockaddr *)&from, fromlen, name, sizeof(name),
 	    NULL, 0, NI_NAMEREQD) != 0) {
 		/* Host name not found.  Use ip address. */
-#if 0
-		log("Could not reverse map address %.100s.", ntop);
-#endif
 		return xstrdup(ntop);
 	}
 
@@ -206,36 +203,6 @@ get_socket_address(int socket, int remote, int flags)
 
 	return (xstrdup(result));
 }
-#if 0
-static char *
-get_socket_address(int socket, int remote, int flags)
-{
-	struct sockaddr_storage addr;
-	socklen_t addrlen;
-	char ntop[NI_MAXHOST];
-
-	/* Get IP address of client. */
-	addrlen = sizeof(addr);
-	memset(&addr, 0, sizeof(addr));
-
-	if (remote) {
-		if (getpeername(socket, (struct sockaddr *)&addr, &addrlen)
-		    < 0)
-			return NULL;
-	} else {
-		if (getsockname(socket, (struct sockaddr *)&addr, &addrlen)
-		    < 0)
-			return NULL;
-	}
-	/* Get the address in ascii. */
-	if (getnameinfo((struct sockaddr *)&addr, addrlen, ntop, sizeof(ntop),
-	    NULL, 0, flags) != 0) {
-		error("get_socket_ipaddr: getnameinfo %d failed", flags);
-		return NULL;
-	}
-	return xstrdup(ntop);
-}
-#endif
 
 char *
 get_peer_ipaddr(int socket)
@@ -388,4 +355,4 @@ inet_ntop_native(int af, const void *src, char *dst, size_t size)
 	}
 
 	return (result);
-} 
+}
diff --git a/usr/src/cmd/ssh/libssh/common/key.c b/usr/src/cmd/ssh/libssh/common/key.c
index f648d3b640..8ee2583d93 100644
--- a/usr/src/cmd/ssh/libssh/common/key.c
+++ b/usr/src/cmd/ssh/libssh/common/key.c
@@ -874,3 +874,20 @@ key_demote(Key *k)
 
 	return (pk);
 }
+
+int
+key_type_plain(int type)
+{
+	switch (type) {
+	case KEY_RSA_CERT_V00:
+	case KEY_RSA_CERT:
+		return KEY_RSA;
+	case KEY_DSA_CERT_V00:
+	case KEY_DSA_CERT:
+		return KEY_DSA;
+	case KEY_ECDSA_CERT:
+		return KEY_ECDSA;
+	default:
+		return type;
+	}
+}
diff --git a/usr/src/cmd/ssh/sftp-server/Makefile b/usr/src/cmd/ssh/sftp-server/Makefile
index c2bdf26c1e..f49dde54ee 100644
--- a/usr/src/cmd/ssh/sftp-server/Makefile
+++ b/usr/src/cmd/ssh/sftp-server/Makefile
@@ -31,7 +31,7 @@ SRCS =		$(OBJS:.o=.c)
 include ../../Makefile.cmd
 include ../Makefile.ssh-common
 
-LDLIBS +=	$(SSH_COMMON_LDLIBS) -lsocket -lcrypto
+LDLIBS +=	$(SSH_COMMON_LDLIBS) -lsocket -lsunw_crypto
 
 POFILE_DIR =	..
 
diff --git a/usr/src/cmd/ssh/sftp/Makefile b/usr/src/cmd/ssh/sftp/Makefile
index 8bd8bb4ac3..f3c0ea7a75 100644
--- a/usr/src/cmd/ssh/sftp/Makefile
+++ b/usr/src/cmd/ssh/sftp/Makefile
@@ -35,7 +35,7 @@ SRCS =		$(OBJS:.o=.c)
 include ../../Makefile.cmd
 include ../Makefile.ssh-common
 
-LDLIBS +=	$(SSH_COMMON_LDLIBS) -lsocket -lcrypto -ltecla
+LDLIBS +=	$(SSH_COMMON_LDLIBS) -lsocket -lsunw_crypto -ltecla
 
 POFILE_DIR =	..
 
diff --git a/usr/src/cmd/ssh/ssh-add/Makefile b/usr/src/cmd/ssh/ssh-add/Makefile
index 1fb132f741..3235839e06 100644
--- a/usr/src/cmd/ssh/ssh-add/Makefile
+++ b/usr/src/cmd/ssh/ssh-add/Makefile
@@ -32,7 +32,7 @@ SRCS	= $(OBJS:.o=.c)
 include ../../Makefile.cmd
 include ../Makefile.ssh-common
 
-LDLIBS += $(SSH_COMMON_LDLIBS) -lsocket -lcrypto
+LDLIBS += $(SSH_COMMON_LDLIBS) -lsocket -lsunw_crypto
 
 POFILE_DIR= ..
 
diff --git a/usr/src/cmd/ssh/ssh-agent/Makefile b/usr/src/cmd/ssh/ssh-agent/Makefile
index 3d4a366c17..ab2e1eb49d 100644
--- a/usr/src/cmd/ssh/ssh-agent/Makefile
+++ b/usr/src/cmd/ssh/ssh-agent/Makefile
@@ -32,7 +32,7 @@ SRCS	= $(OBJS:.o=.c)
 include ../../Makefile.cmd
 include ../Makefile.ssh-common
 
-LDLIBS += $(SSH_COMMON_LDLIBS) -lsocket -lcrypto
+LDLIBS += $(SSH_COMMON_LDLIBS) -lsocket -lsunw_crypto
 
 POFILE_DIR= ..
 
diff --git a/usr/src/cmd/ssh/ssh-keygen/Makefile b/usr/src/cmd/ssh/ssh-keygen/Makefile
index f92c437045..0c90716768 100644
--- a/usr/src/cmd/ssh/ssh-keygen/Makefile
+++ b/usr/src/cmd/ssh/ssh-keygen/Makefile
@@ -32,7 +32,7 @@ SRCS	= $(OBJS:.o=.c)
 include ../../Makefile.cmd
 include ../Makefile.ssh-common
 
-LDLIBS += $(SSH_COMMON_LDLIBS) -lcrypto -lsocket
+LDLIBS += $(SSH_COMMON_LDLIBS) -lsunw_crypto -lsocket
 
 POFILE_DIR= ..
 
diff --git a/usr/src/cmd/ssh/ssh-keygen/ssh-keygen.c b/usr/src/cmd/ssh/ssh-keygen/ssh-keygen.c
index ebad79b0f8..c79e76ae36 100644
--- a/usr/src/cmd/ssh/ssh-keygen/ssh-keygen.c
+++ b/usr/src/cmd/ssh/ssh-keygen/ssh-keygen.c
@@ -11,7 +11,7 @@
  * called by a name other than "ssh" or "Secure Shell".
  */
 
-/* $OpenBSD: ssh-keygen.c,v 1.160 2007/01/21 01:41:54 stevesk Exp $ */
+/* $OpenBSD: ssh-keygen.c,v 1.205 2011/01/11 06:13:10 djm Exp $ */
 
 #include "includes.h"
 #include <openssl/evp.h>
@@ -76,9 +76,14 @@ char *identity_new_passphrase = NULL;
 /* This is set to the new comment if given on the command line. */
 char *identity_comment = NULL;
 
-/* Dump public key file in format used by real and the original SSH 2 */
-int convert_to_ssh2 = 0;
-int convert_from_ssh2 = 0;
+/* Conversion to/from various formats */
+int convert_to = 0;
+int convert_from = 0;
+enum {
+	FMT_RFC4716,
+	FMT_PKCS8,
+	FMT_PEM
+} convert_format = FMT_RFC4716;
 int print_public = 0;
 
 char *key_type_name = NULL;
@@ -154,41 +159,105 @@ load_identity(char *filename)
 #define	SSH_COM_PRIVATE_KEY_MAGIC	0x3f6ff9eb
 
 static void
-do_convert_to_ssh2(struct passwd *pw)
+do_convert_to_ssh2(struct passwd *pw, Key *k)
 {
-	Key *k;
 	u_int len;
 	u_char *blob;
-	struct stat st;
+	char comment[61];
 
-	if (!have_identity)
-		ask_filename(pw, gettext("Enter file in which the key is"));
-	if (stat(identity_file, &st) < 0) {
-		perror(identity_file);
+	if (key_to_blob(k, &blob, &len) <= 0) {
+		fprintf(stderr, "key_to_blob failed\n");
 		exit(1);
 	}
+	/* Comment + surrounds must fit into 72 chars (RFC 4716 sec 3.3) */
+	snprintf(comment, sizeof(comment),
+		"%u-bit %s, converted by %s@%s from OpenSSH",
+		key_size(k), key_type(k),
+		pw->pw_name, hostname);
+
+	fprintf(stdout, "%s\n", SSH_COM_PUBLIC_BEGIN);
+	fprintf(stdout, "Comment: \"%s\"\n", comment);
+	dump_base64(stdout, blob, len);
+	fprintf(stdout, "%s\n", SSH_COM_PUBLIC_END);
+	key_free(k);
+	xfree(blob);
+	exit(0);
+}
+
+static void
+do_convert_to_pkcs8(Key *k)
+{
+	switch (key_type_plain(k->type)) {
+	case KEY_RSA:
+		if (!PEM_write_RSA_PUBKEY(stdout, k->rsa))
+			fatal("PEM_write_RSA_PUBKEY failed");
+		break;
+	case KEY_DSA:
+		if (!PEM_write_DSA_PUBKEY(stdout, k->dsa))
+			fatal("PEM_write_DSA_PUBKEY failed");
+		break;
+	default:
+		fatal("%s: unsupported key type %s", __func__, key_type(k));
+	}
+	exit(0);
+}
+
+static void
+do_convert_to_pem(Key *k)
+{
+	switch (key_type_plain(k->type)) {
+	case KEY_RSA:
+		if (!PEM_write_RSAPublicKey(stdout, k->rsa))
+			fatal("PEM_write_RSAPublicKey failed");
+		break;
+	case KEY_DSA:
+		if (!PEM_write_DSA_PUBKEY(stdout, k->dsa))
+			fatal("PEM_write_DSAPublicKey failed");
+		break;
+	default:
+		fatal("%s: unsupported key type %s", __func__, key_type(k));
+	}
+	exit(0);
+}
+
+static void
+do_convert_to(struct passwd *pw)
+{
+	Key *k;
+	struct stat st;
+
+	if (!have_identity)
+		ask_filename(pw, "Enter file in which the key is");
+	if (stat(identity_file, &st) < 0)
+		fatal("%s: %s: %s", __progname, identity_file, strerror(errno));
 	if ((k = key_load_public(identity_file, NULL)) == NULL) {
 		if ((k = load_identity(identity_file)) == NULL) {
-			fprintf(stderr, gettext("load failed\n"));
+			fprintf(stderr, "load failed\n");
 			exit(1);
 		}
 	}
-	if (key_to_blob(k, &blob, &len) <= 0) {
-		fprintf(stderr, gettext("key_to_blob failed\n"));
+	if (k->type == KEY_RSA1) {
+		fprintf(stderr, "version 1 keys are not supported\n");
 		exit(1);
 	}
-	fprintf(stdout, "%s\n", SSH_COM_PUBLIC_BEGIN);
-	fprintf(stdout, gettext(
-	    "Comment: \"%u-bit %s, converted from OpenSSH by %s@%s\"\n"),
-	    key_size(k), key_type(k),
-	    pw->pw_name, hostname);
-	dump_base64(stdout, blob, len);
-	fprintf(stdout, "%s\n", SSH_COM_PUBLIC_END);
-	key_free(k);
-	xfree(blob);
+
+	switch (convert_format) {
+	case FMT_RFC4716:
+		do_convert_to_ssh2(pw, k);
+		break;
+	case FMT_PKCS8:
+		do_convert_to_pkcs8(k);
+		break;
+	case FMT_PEM:
+		do_convert_to_pem(k);
+		break;
+	default:
+		fatal("%s: unknown key format %d", __func__, convert_format);
+	}
 	exit(0);
 }
 
+
 static void
 buffer_get_bignum_bits(Buffer *b, BIGNUM *value)
 {
@@ -327,24 +396,16 @@ get_line(FILE *fp, char *line, size_t len)
 }
 
 static void
-do_convert_from_ssh2(struct passwd *pw)
+do_convert_from_ssh2(struct passwd *pw, Key **k, int *private)
 {
-	Key *k;
 	int blen;
 	u_int len;
 	char line[1024];
 	u_char blob[8096];
 	char encoded[8096];
-	struct stat st;
-	int escaped = 0, private = 0, ok;
+	int escaped = 0;
 	FILE *fp;
 
-	if (!have_identity)
-		ask_filename(pw, gettext("Enter file in which the key is"));
-	if (stat(identity_file, &st) < 0) {
-		perror(identity_file);
-		exit(1);
-	}
 	fp = fopen(identity_file, "r");
 	if (fp == NULL) {
 		perror(identity_file);
@@ -357,7 +418,7 @@ do_convert_from_ssh2(struct passwd *pw)
 		if (strncmp(line, "----", 4) == 0 ||
 		    strstr(line, ": ") != NULL) {
 			if (strstr(line, SSH_COM_PRIVATE_BEGIN) != NULL)
-				private = 1;
+				*private = 1;
 			if (strstr(line, " END ") != NULL) {
 				break;
 			}
@@ -382,26 +443,117 @@ do_convert_from_ssh2(struct passwd *pw)
 		fprintf(stderr, gettext("uudecode failed.\n"));
 		exit(1);
 	}
-	k = private ?
+	*k = *private ?
 	    do_convert_private_ssh2_from_blob(blob, blen) :
 	    key_from_blob(blob, blen);
-	if (k == NULL) {
+	if (*k == NULL) {
 		fprintf(stderr, gettext("decode blob failed.\n"));
 		exit(1);
 	}
-	ok = private ?
-	    (k->type == KEY_DSA ?
-		 PEM_write_DSAPrivateKey(stdout, k->dsa, NULL, NULL, 0, NULL, NULL) :
-		 PEM_write_RSAPrivateKey(stdout, k->rsa, NULL, NULL, 0, NULL, NULL)) :
-	    key_write(k, stdout);
+	fclose(fp);
+}
+
+static void
+do_convert_from_pkcs8(Key **k, int *private)
+{
+	EVP_PKEY *pubkey;
+	FILE *fp;
+
+	if ((fp = fopen(identity_file, "r")) == NULL)
+		fatal("%s: %s: %s", __progname, identity_file, strerror(errno));
+	if ((pubkey = PEM_read_PUBKEY(fp, NULL, NULL, NULL)) == NULL) {
+		fatal("%s: %s is not a recognised public key format", __func__,
+		    identity_file);
+	}
+	fclose(fp);
+	switch (EVP_PKEY_type(pubkey->type)) {
+	case EVP_PKEY_RSA:
+		*k = key_new(KEY_UNSPEC);
+		(*k)->type = KEY_RSA;
+		(*k)->rsa = EVP_PKEY_get1_RSA(pubkey);
+		break;
+	case EVP_PKEY_DSA:
+		*k = key_new(KEY_UNSPEC);
+		(*k)->type = KEY_DSA;
+		(*k)->dsa = EVP_PKEY_get1_DSA(pubkey);
+		break;
+	default:
+		fatal("%s: unsupported pubkey type %d", __func__,
+		    EVP_PKEY_type(pubkey->type));
+	}
+	EVP_PKEY_free(pubkey);
+	return;
+}
+
+static void
+do_convert_from_pem(Key **k, int *private)
+{
+	FILE *fp;
+	RSA *rsa;
+
+	if ((fp = fopen(identity_file, "r")) == NULL)
+		fatal("%s: %s: %s", __progname, identity_file, strerror(errno));
+	if ((rsa = PEM_read_RSAPublicKey(fp, NULL, NULL, NULL)) != NULL) {
+		*k = key_new(KEY_UNSPEC);
+		(*k)->type = KEY_RSA;
+		(*k)->rsa = rsa;
+		fclose(fp);
+		return;
+	}
+	fatal("%s: unrecognised raw private key format", __func__);
+}
+
+static void
+do_convert_from(struct passwd *pw)
+{
+	Key *k = NULL;
+	int private = 0, ok = 0;
+	struct stat st;
+
+	if (!have_identity)
+		ask_filename(pw, "Enter file in which the key is");
+	if (stat(identity_file, &st) < 0)
+		fatal("%s: %s: %s", __progname, identity_file, strerror(errno));
+
+	switch (convert_format) {
+	case FMT_RFC4716:
+		do_convert_from_ssh2(pw, &k, &private);
+		break;
+	case FMT_PKCS8:
+		do_convert_from_pkcs8(&k, &private);
+		break;
+	case FMT_PEM:
+		do_convert_from_pem(&k, &private);
+		break;
+	default:
+		fatal("%s: unknown key format %d", __func__, convert_format);
+	}
+
+	if (!private)
+		ok = key_write(k, stdout);
+		if (ok)
+			fprintf(stdout, "\n");
+	else {
+		switch (k->type) {
+		case KEY_DSA:
+			ok = PEM_write_DSAPrivateKey(stdout, k->dsa, NULL,
+			    NULL, 0, NULL, NULL);
+			break;
+		case KEY_RSA:
+			ok = PEM_write_RSAPrivateKey(stdout, k->rsa, NULL,
+			    NULL, 0, NULL, NULL);
+			break;
+		default:
+			fatal("%s: unsupported key type %s", __func__,
+			    key_type(k));
+		}
+	}
+
 	if (!ok) {
-		fprintf(stderr, gettext("key write failed"));
+		fprintf(stderr, "key write failed\n");
 		exit(1);
 	}
 	key_free(k);
-	if (!private)
-		fprintf(stdout, "\n");
-	fclose(fp);
 	exit(0);
 }
 
@@ -917,12 +1069,13 @@ usage(void)
 	"  -B          Show bubblebabble digest of key file.\n"
 	"  -c          Change comment in private and public key files.\n"
 	"  -C comment  Provide new comment.\n"
-	"  -e          Convert OpenSSH to IETF SECSH key file.\n"
+	"  -e          Convert OpenSSH to foreign format key file.\n"
 	"  -f filename Filename of the key file.\n"
 	"  -F hostname Find hostname in known hosts file.\n"
 	"  -H          Hash names in known_hosts file.\n"
-	"  -i          Convert IETF SECSH to OpenSSH key file.\n"
+	"  -i          Convert foreign format to OpenSSH key file.\n"
 	"  -l          Show fingerprint of key file.\n"
+	"  -m key_fmt  Conversion format for -e/-i (PEM|PKCS8|RFC4716).\n"
 	"  -N phrase   Provide new passphrase.\n"
 	"  -p          Change passphrase of private key file.\n"
 	"  -P phrase   Provide old passphrase.\n"
@@ -974,7 +1127,7 @@ main(int argc, char **argv)
 		exit(1);
 	}
 
-#define GETOPT_ARGS "BcdeHilpqxXyb:C:f:F:N:P:R:t:"
+#define GETOPT_ARGS "BcdeHilpqxXyb:C:f:F:m:N:P:R:t:"
 
 	while ((opt = getopt(argc, argv, GETOPT_ARGS)) != -1) {
 		switch (opt) {
@@ -1002,6 +1155,22 @@ main(int argc, char **argv)
 		case 'B':
 			print_bubblebabble = 1;
 			break;
+		case 'm':
+			if (strcasecmp(optarg, "RFC4716") == 0 ||
+			    strcasecmp(optarg, "ssh2") == 0) {
+				convert_format = FMT_RFC4716;
+				break;
+			}
+			if (strcasecmp(optarg, "PKCS8") == 0) {
+				convert_format = FMT_PKCS8;
+				break;
+			}
+			if (strcasecmp(optarg, "PEM") == 0) {
+				convert_format = FMT_PEM;
+				break;
+			}
+			fatal("Unsupported conversion format \"%s\"", optarg);
+			/*NOTREACHED*/
 		case 'p':
 			change_passphrase = 1;
 			break;
@@ -1027,12 +1196,12 @@ main(int argc, char **argv)
 		case 'e':
 		case 'x':
 			/* export key */
-			convert_to_ssh2 = 1;
+			convert_to = 1;
 			break;
 		case 'i':
 		case 'X':
 			/* import key */
-			convert_from_ssh2 = 1;
+			convert_from = 1;
 			break;
 		case 'y':
 			print_public = 1;
@@ -1064,10 +1233,10 @@ main(int argc, char **argv)
 		do_change_passphrase(pw);
 	if (change_comment)
 		do_change_comment(pw);
-	if (convert_to_ssh2)
-		do_convert_to_ssh2(pw);
-	if (convert_from_ssh2)
-		do_convert_from_ssh2(pw);
+	if (convert_to)
+		do_convert_to(pw);
+	if (convert_from)
+		do_convert_from(pw);
 	if (print_public)
 		do_print_public(pw);
 
diff --git a/usr/src/cmd/ssh/ssh-keyscan/Makefile b/usr/src/cmd/ssh/ssh-keyscan/Makefile
index 9e2fd17160..90428880a3 100644
--- a/usr/src/cmd/ssh/ssh-keyscan/Makefile
+++ b/usr/src/cmd/ssh/ssh-keyscan/Makefile
@@ -32,7 +32,7 @@ SRCS	= $(OBJS:.o=.c)
 include ../../Makefile.cmd
 include ../Makefile.ssh-common
 
-LDLIBS += $(SSH_COMMON_LDLIBS) -lsocket -lnsl -lz -lcrypto
+LDLIBS += $(SSH_COMMON_LDLIBS) -lsocket -lnsl -lz -lsunw_crypto
 
 POFILE_DIR= ..
 
diff --git a/usr/src/cmd/ssh/ssh-keysign/Makefile b/usr/src/cmd/ssh/ssh-keysign/Makefile
index e31ae681a1..649935a050 100644
--- a/usr/src/cmd/ssh/ssh-keysign/Makefile
+++ b/usr/src/cmd/ssh/ssh-keysign/Makefile
@@ -36,7 +36,7 @@ include ../Makefile.ssh-common
 
 FILEMODE= 04555
 
-LDLIBS += $(SSH_COMMON_LDLIBS) -lsocket -lnsl -lz -lcrypto
+LDLIBS += $(SSH_COMMON_LDLIBS) -lsocket -lnsl -lz -lsunw_crypto
 
 POFILE_DIR= ..
 
diff --git a/usr/src/cmd/ssh/ssh/Makefile b/usr/src/cmd/ssh/ssh/Makefile
index 7bdd4f6be5..2d77334497 100644
--- a/usr/src/cmd/ssh/ssh/Makefile
+++ b/usr/src/cmd/ssh/ssh/Makefile
@@ -40,7 +40,7 @@ include ../Makefile.ssh-common
 LDLIBS += $(SSH_COMMON_LDLIBS) -lsocket \
 	-lnsl \
 	-lz \
-	-lcrypto \
+	-lsunw_crypto \
 	-lgss
 
 POFILE_DIR= ..
diff --git a/usr/src/cmd/ssh/sshd/Makefile b/usr/src/cmd/ssh/sshd/Makefile
index a52e9b1cc8..4c82633347 100644
--- a/usr/src/cmd/ssh/sshd/Makefile
+++ b/usr/src/cmd/ssh/sshd/Makefile
@@ -75,7 +75,7 @@ LDLIBS += $(SSH_COMMON_LDLIBS) -lsocket \
 	-lpam \
 	-lbsm \
 	-lwrap \
-	-lcrypto \
+	-lsunw_crypto \
 	-lgss \
 	-lcontract
 MAPFILES = $(MAPFILE.INT) $(MAPFILE.NGB)
diff --git a/usr/src/cmd/ssh/sshd/auth2-pubkey.c b/usr/src/cmd/ssh/sshd/auth2-pubkey.c
index 658634c195..c1c5f540e4 100644
--- a/usr/src/cmd/ssh/sshd/auth2-pubkey.c
+++ b/usr/src/cmd/ssh/sshd/auth2-pubkey.c
@@ -26,6 +26,8 @@
  * Use is subject to license terms.
  */
 
+#include <dlfcn.h>
+
 #include "includes.h"
 RCSID("$OpenBSD: auth2-pubkey.c,v 1.2 2002/05/31 11:35:15 markus Exp $");
 
@@ -54,6 +56,13 @@ extern ServerOptions options;
 extern u_char *session_id2;
 extern int session_id2_len;
 
+/* global plugin function requirements */
+static const char *RSA_SYM_NAME = "sshd_user_rsa_key_allowed";
+static const char *DSA_SYM_NAME = "sshd_user_rsa_key_allowed";
+typedef int (*RSA_SYM)(struct passwd *, RSA *, const char *);
+typedef int (*DSA_SYM)(struct passwd *, DSA *, const char *);
+
+
 static void
 userauth_pubkey(Authctxt *authctxt)
 {
@@ -309,7 +318,98 @@ user_key_allowed2(struct passwd *pw, Key *key, char *file)
 	return found_key;
 }
 
-/* check whether given key is in .ssh/authorized_keys* */
+/**
+ * Checks whether or not access is allowed based on a plugin specified
+ * in sshd_config (PubKeyPlugin).
+ *
+ * Note that this expects a symbol in the loaded library that takes
+ * the current user (pwd entry), the current RSA key and it's fingerprint.
+ * The symbol is expected to return 1 on success and 0 on failure.
+ *
+ * While we could optimize this code to dlopen once in the process' lifetime,
+ * sshd is already a slow beast, so this is really not a concern.
+ * The overhead is basically a rounding error compared to everything else, and
+ * it keeps this code minimally invasive.
+ */
+static int
+user_key_allowed_from_plugin(struct passwd *pw, Key *key)
+{
+	RSA_SYM rsa_sym = NULL;
+	DSA_SYM dsa_sym = NULL;
+	char *fp = NULL;
+	void *handle = NULL;
+	int success = 0;
+
+	if (options.pubkey_plugin == NULL || pw == NULL || key == NULL ||
+	    (key->type != KEY_RSA && key->type != KEY_RSA1 &&
+	     key->type != KEY_DSA && key->type != KEY_ECDSA))
+		return success;
+
+	handle = dlopen(options.pubkey_plugin, RTLD_NOW);
+	if ((handle == NULL)) {
+		debug("Unable to open library %s: %s", options.pubkey_plugin,
+			dlerror());
+		goto out;
+	}
+
+	fp = key_fingerprint(key, SSH_FP_MD5, SSH_FP_HEX);
+	if (fp == NULL) {
+		debug("failed to generate fingerprint");
+		goto out;
+	}
+
+	switch (key->type) {
+	case KEY_RSA1:
+	case KEY_RSA:
+		rsa_sym = (RSA_SYM)dlsym(handle, RSA_SYM_NAME);
+		if (rsa_sym == NULL) {
+			debug("Unable to resolve symbol %s: %s", RSA_SYM_NAME,
+				dlerror());
+			goto out;
+		}
+		debug2("Invoking %s from %s", RSA_SYM_NAME,
+			options.pubkey_plugin);
+		success = (*rsa_sym)(pw, key->rsa, fp);
+		break;
+	case KEY_DSA:
+	case KEY_ECDSA:
+		dsa_sym = (DSA_SYM)dlsym(handle, RSA_SYM_NAME);
+		if (dsa_sym == NULL) {
+			debug("Unable to resolve symbol %s: %s", DSA_SYM_NAME,
+				dlerror());
+			goto out;
+		}
+		debug2("Invoking %s from %s", DSA_SYM_NAME,
+			options.pubkey_plugin);
+		success = (*dsa_sym)(pw, key->dsa, fp);
+		break;
+	default:
+		debug2("user_key_plugins only support RSA keys");
+	}
+
+	debug("sshd_plugin returned: %d", success);
+
+out:
+	if (handle != NULL) {
+		dlclose(handle);
+		dsa_sym = NULL;
+		rsa_sym = NULL;
+		handle = NULL;
+	}
+
+	if (success)
+		verbose("Found matching %s key: %s", key_type(key), fp);
+
+	if (fp != NULL) {
+		xfree(fp);
+		fp = NULL;
+	}
+
+	return success;
+}
+
+
+/* check whether given key is in .ssh/authorized_keys or a plugin */
 int
 user_key_allowed(struct passwd *pw, Key *key)
 {
@@ -329,6 +429,13 @@ user_key_allowed(struct passwd *pw, Key *key)
 	file = authorized_keys_file2(pw);
 	success = user_key_allowed2(pw, key, file);
 	xfree(file);
+
+	if (success)
+		return success;
+
+	/* try from a plugin */
+	success = user_key_allowed_from_plugin(pw, key);
+
 	return success;
 }
 
diff --git a/usr/src/cmd/ssh/sshd/servconf.c b/usr/src/cmd/ssh/sshd/servconf.c
index 516466bbc1..16f1dcecf7 100644
--- a/usr/src/cmd/ssh/sshd/servconf.c
+++ b/usr/src/cmd/ssh/sshd/servconf.c
@@ -155,6 +155,7 @@ initialize_server_options(ServerOptions *options)
 	options->pre_userauth_hook = NULL;
 	options->pam_service_name = NULL;
 	options->pam_service_prefix = NULL;
+	options->pubkey_plugin = NULL;
 }
 
 #ifdef HAVE_DEFOPEN
@@ -419,13 +420,14 @@ typedef enum {
 	sPermitUserEnvironment, sUseLogin, sAllowTcpForwarding, sCompression,
 	sAllowUsers, sDenyUsers, sAllowGroups, sDenyGroups,
 	sIgnoreUserKnownHosts, sCiphers, sMacs, sProtocol, sPidFile,
-	sGatewayPorts, sPubkeyAuthentication, sXAuthLocation, sSubsystem, sMaxStartups,
+	sGatewayPorts, sPubkeyAuthentication, sXAuthLocation, sSubsystem, 
 	sBanner, sVerifyReverseMapping, sHostbasedAuthentication,
 	sHostbasedUsesNameFromPacketOnly, sClientAliveInterval,
 	sClientAliveCountMax, sAuthorizedKeysFile, sAuthorizedKeysFile2,
 	sMaxAuthTries, sMaxAuthTriesLog, sUsePrivilegeSeparation,
 	sLookupClientHostnames, sUseOpenSSLEngine, sChrootDirectory,
 	sPreUserauthHook, sMatch, sPAMServicePrefix, sPAMServiceName,
+	sMaxStartups, sPubKeyPlugin,
 	sDeprecated
 } ServerOpCodes;
 
@@ -532,6 +534,7 @@ static struct {
 	{ "match", sMatch, SSHCFG_ALL },
 	{ "pamserviceprefix", sPAMServicePrefix, SSHCFG_GLOBAL },
 	{ "pamservicename", sPAMServiceName, SSHCFG_GLOBAL },
+	{ "pubkeyplugin", sPubKeyPlugin, SSHCFG_ALL },
 
 	{ NULL, sBadOption, 0 }
 };
@@ -1356,6 +1359,10 @@ parse_flag:
 			options->pam_service_name = xstrdup(arg);
 		break;
 
+	case sPubKeyPlugin:
+		charptr = &options->pubkey_plugin;
+		goto parse_filename;
+
 	default:
 		fatal("%s line %d: Missing handler for opcode %s (%d)",
 		    filename, linenum, arg, opcode);
diff --git a/usr/src/cmd/ssh/sshd/sshlogin.c b/usr/src/cmd/ssh/sshd/sshlogin.c
index c21877355c..c2bd3bacb7 100644
--- a/usr/src/cmd/ssh/sshd/sshlogin.c
+++ b/usr/src/cmd/ssh/sshd/sshlogin.c
@@ -101,8 +101,7 @@ record_login(pid_t pid, const char *ttyname, const char *progname,
         fatal_cleanup();
       }
     }
-    remote_name_or_ip = get_remote_name_or_ip(utmp_len,
-      options.verify_reverse_mapping);
+    remote_name_or_ip = get_remote_ipaddr();
 
     initialized = 1;
   }
diff --git a/usr/src/cmd/stat/Makefile b/usr/src/cmd/stat/Makefile
index 34149b2b37..faffc6a437 100644
--- a/usr/src/cmd/stat/Makefile
+++ b/usr/src/cmd/stat/Makefile
@@ -19,7 +19,7 @@
 # CDDL HEADER END
 #
 #
-# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Copyright 2011, 2012, Joyent, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
 # cmd/stat/Makefile
@@ -27,7 +27,14 @@
 
 include ../Makefile.cmd
 
-SUBDIRS=	arcstat iostat mpstat vmstat fsstat kstat
+SUBDIRS=	arcstat \
+		fsstat \
+		iostat \
+		kstat \
+		mpstat \
+		vfsstat \
+		vmstat \
+		ziostat
 
 all :=		TARGET = all
 install :=	TARGET = install
diff --git a/usr/src/cmd/stat/arcstat/Makefile b/usr/src/cmd/stat/arcstat/Makefile
index 6ae60a8d3d..a98e2fee7e 100644
--- a/usr/src/cmd/stat/arcstat/Makefile
+++ b/usr/src/cmd/stat/arcstat/Makefile
@@ -11,6 +11,7 @@
 
 #
 # Copyright 2014 Adam Stevko.  All rights reserved.
+# Copyright (c) 2011, Joyent, Inc. All rights reserved.
 #
 
 include $(SRC)/cmd/Makefile.cmd
diff --git a/usr/src/cmd/stat/arcstat/arcstat.pl b/usr/src/cmd/stat/arcstat/arcstat.pl
index 8f13221910..8f13221910 100755..100644
--- a/usr/src/cmd/stat/arcstat/arcstat.pl
+++ b/usr/src/cmd/stat/arcstat/arcstat.pl
diff --git a/usr/src/cmd/stat/vfsstat/Makefile b/usr/src/cmd/stat/vfsstat/Makefile
new file mode 100644
index 0000000000..04b5085243
--- /dev/null
+++ b/usr/src/cmd/stat/vfsstat/Makefile
@@ -0,0 +1,41 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright (c) 2011, Joyent, Inc. All rights reserved.
+#
+
+include $(SRC)/cmd/Makefile.cmd
+
+PROG=	vfsstat
+
+.KEEP_STATE:
+
+all: $(PROG)
+
+install: all .WAIT $(ROOTPROG)
+
+clean:
+
+$(ROOTBINPROG): $(PROG)
+	$(INS.file)
+
+lint:
+
+include $(SRC)/cmd/Makefile.targ
diff --git a/usr/src/cmd/stat/vfsstat/vfsstat.pl b/usr/src/cmd/stat/vfsstat/vfsstat.pl
new file mode 100644
index 0000000000..a3780b8e63
--- /dev/null
+++ b/usr/src/cmd/stat/vfsstat/vfsstat.pl
@@ -0,0 +1,227 @@
+#!/usr/perl5/bin/perl -w
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright (c) 2011 Joyent, Inc.
+#
+# vfsstat - report VFS statistics per zone
+#
+# USAGE:    vfsstat [-hIMrzZ] [interval [count]]
+#           -h              # help
+#	    -I              # print results per interval (where applicable)
+#	    -M              # print results in MB/s
+#	    -r		    # print data in comma-separated format
+#           -z              # hide zones with no VFS activity
+#	    -Z		    # print data for all zones
+#
+#   eg,	    vfsstat               # print summary since zone boot
+#           vfsstat 1             # print continually every 1 second
+#           vfsstat 1 5           # print 5 times, every 1 second
+#
+# NOTES:
+#
+# - The calculations and output fields emulate those from iostat(1M) as closely
+#   as possible.  When only one zone is actively performing disk I/O, the
+#   results from iostat(1M) in the global zone and vfsstat in the local zone
+#   should be almost identical.  Note that many VFS read operations are handled
+#   by the ARC, so vfsstat and iostat(1M) will be similar only when most
+#   requests are missing in the ARC.
+#
+# - As with iostat(1M), a result of 100% for VFS read and write utilization does
+#   not mean that the syscall layer is fully saturated.  Instead, that
+#   measurement just shows that at least one operation was pending over the last
+#   quanta of time examined.  Since the VFS layer can process more than one
+#   operation concurrently, this measurement will frequently be 100% but the VFS
+#   layer can still accept additional requests.
+#
+# - This script is based on Brendan Gregg's K9Toolkit examples:
+#
+#	http://www.brendangregg.com/k9toolkit.html
+#
+
+use Getopt::Std;
+use Sun::Solaris::Kstat;
+my $Kstat = Sun::Solaris::Kstat->new();
+
+# Process command line args
+usage() if defined $ARGV[0] and $ARGV[0] eq "--help";
+getopts('hIMrzZ') or usage();
+usage() if defined $main::opt_h;
+$main::opt_h = 0;
+
+my $USE_MB = defined $main::opt_M ? $main::opt_M : 0;
+my $USE_INTERVAL = defined $main::opt_I ? $main::opt_I : 0;
+my $USE_COMMA = defined $main::opt_r ? $main::opt_r : 0;
+my $HIDE_ZEROES = defined $main::opt_z ? $main::opt_z : 0;
+my $ALL_ZONES = defined $main::opt_Z ? $main::opt_Z : 0;
+
+my ($interval, $count);
+if ( defined($ARGV[0]) ) {
+	$interval = $ARGV[0];
+	$count = defined ($ARGV[1]) ? $ARGV[1] : 2**32;
+	usage() if ($interval == 0);
+} else {
+	$interval = 1;
+	$count = 1; 
+}
+
+my $HEADER_FMT = $USE_COMMA ?
+    "r/%s,w/%s,%sr/%s,%sw/%s,ractv,wactv,read_t,writ_t,%%r,%%w," .
+    "d/%s,del_t,zone\n" :
+    "  r/%s   w/%s  %sr/%s  %sw/%s ractv wactv read_t writ_t  " .
+    "%%r  %%w   d/%s  del_t zone\n";
+my $DATA_FMT = $USE_COMMA ?
+    "%.1f,%.1f,%.1f,%.1f,%.1f,%.1f,%.1f,%.1f,%d,%d,%.1f,%.1f,%s,%d\n" :
+    "%5.1f %5.1f %5.1f %5.1f %5.1f %5.1f %6.1f %6.1f %3d %3d " .
+    "%5.1f %6.1f %s (%d)\n";
+
+my $BYTES_PREFIX = $USE_MB ? "M" : "k";
+my $BYTES_DIVISOR = $USE_MB ? 1024 * 1024 : 1024;
+my $INTERVAL_SUFFIX = $USE_INTERVAL ? "i" : "s";
+my $NANOSEC = 1000000000;
+
+my @fields = ( 'reads', 'writes', 'nread', 'nwritten', 'rtime', 'wtime',
+    'rlentime', 'wlentime', 'delay_cnt', 'delay_time', 'snaptime' );
+
+chomp(my $curzone = (`/sbin/zonename`));
+
+my %old = ();
+my $rows_printed = 0;
+
+for (my $ii = 0; $ii < $count; $ii++) {
+	# Read list of visible zones and their zone IDs
+	my @zones = ();
+	my %zoneids = ();
+	my $zoneadm = `zoneadm list -p | cut -d: -f1,2`;
+	@lines = split(/\n/, $zoneadm);
+	foreach $line (@lines) {
+		@tok = split(/:/, $line);
+		$zoneids->{$tok[1]} = $tok[0];
+		push(@zones, $tok[1]);
+	}
+
+	$Kstat->update();
+
+	# Print the column header every 20 rows
+	if ($rows_printed == 0 || $ALL_ZONES) {
+		printf($HEADER_FMT, $INTERVAL_SUFFIX, $INTERVAL_SUFFIX,
+		    $BYTES_PREFIX, $INTERVAL_SUFFIX, $BYTES_PREFIX,
+		    $INTERVAL_SUFFIX, $INTERVAL_SUFFIX);
+	}
+
+	$rows_printed = $rows_printed >= 20 ? 0 : $rows_printed + 1;
+
+	foreach $zone (@zones) {
+		if ((!$ALL_ZONES) && ($zone ne $curzone)) {
+			next;
+		}
+
+		if (! defined $old->{$zone}) {
+			$old->{$zone} = ();
+			foreach $field (@fields) { $old->{$zone}->{$field} = 0; }
+		}
+
+		#
+		# Kstats have a 30-character limit (KSTAT_STRLEN) on their
+		# names, so if the zone name exceeds that limit, use the first
+		# 30 characters.
+		#
+		my $trimmed_zone = substr($zone, 0, 30);
+		my $zoneid = $zoneids->{$zone};
+
+		print_stats($zone, $zoneid,
+		    $Kstat->{'zone_vfs'}{$zoneid}{$trimmed_zone}, $old->{$zone});
+	}
+
+	sleep ($interval);
+}
+
+exit(0);
+
+sub print_stats {
+	my $zone = $_[0];
+	my $zoneid = $_[1];
+	my $data = $_[2];
+	my $old = $_[3];
+
+	my $etime = $data->{'snaptime'} -
+	    ($old->{'snaptime'} > 0 ? $old->{'snaptime'} : $data->{'crtime'});
+
+	# Calculate basic statistics
+	my $rate_divisor = $USE_INTERVAL ? 1 : $etime;
+	my $reads = ($data->{'reads'} - $old->{'reads'}) / $rate_divisor;
+	my $writes = ($data->{'writes'} - $old->{'writes'}) / $rate_divisor;
+	my $nread = ($data->{'nread'} - $old->{'nread'}) /
+	    $rate_divisor / $BYTES_DIVISOR;
+	my $nwritten = ($data->{'nwritten'} - $old->{'nwritten'}) /
+	    $rate_divisor / $BYTES_DIVISOR;
+	
+	# Calculate transactions per second
+	my $r_tps = ($data->{'reads'} - $old->{'reads'}) / $etime;
+	my $w_tps = ($data->{'writes'} - $old->{'writes'}) / $etime;
+
+	# Calculate average length of active queue
+	my $r_actv = (($data->{'rlentime'} - $old->{'rlentime'}) / $NANOSEC) /
+	    $etime;
+	my $w_actv = (($data->{'wlentime'} - $old->{'wlentime'}) / $NANOSEC) /
+	    $etime;
+
+	# Calculate average service time
+	# multiply by 1000 to convert to usecs for conssistency with del_t
+	my $read_t = ($r_tps > 0 ? $r_actv * (1000 / $r_tps) : 0.0) * 1000;
+	my $writ_t = ($w_tps > 0 ? $w_actv * (1000 / $w_tps) : 0.0) * 1000;
+
+	# Calculate I/O throttle delay metrics
+	my $delays = $data->{'delay_cnt'} - $old->{'delay_cnt'};
+	my $d_tps = $delays / $etime;
+	my $del_t = $delays > 0 ?
+	    ($data->{'delay_time'} - $old->{'delay_time'}) / $delays : 0.0;
+
+	# Calculate the % time the VFS layer is active
+	my $r_b_pct = ((($data->{'rtime'} - $old->{'rtime'}) / $NANOSEC) /
+	    $etime) * 100;
+	my $w_b_pct = ((($data->{'wtime'} - $old->{'wtime'}) / $NANOSEC) /
+	    $etime) * 100;
+
+	if (! $HIDE_ZEROES || $reads != 0.0 || $writes != 0.0 ||
+	    $nread != 0.0 || $nwritten != 0.0) {
+		printf($DATA_FMT, $reads, $writes, $nread, $nwritten, $r_actv,
+		    $w_actv, $read_t, $writ_t, $r_b_pct, $w_b_pct,
+		    $d_tps, $del_t, substr($zone, 0, 8), $zoneid);
+	}
+
+	# Save current calculations for next loop
+	foreach (@fields) { $old->{$_} = $data->{$_}; }
+}
+
+sub usage {
+        print STDERR <<END;
+USAGE: vfsstat [-hIMrzZ] [interval [count]]
+   eg, vfsstat               # print summary since zone boot
+       vfsstat 1             # print continually every 1 second
+       vfsstat 1 5           # print 5 times, every 1 second
+       vfsstat -I            # print results per interval (where applicable)
+       vfsstat -M            # print results in MB/s
+       vfsstat -r            # print results in comma-separated format
+       vfsstat -z            # hide zones with no VFS activity
+       vfsstat -Z            # print results for all zones
+END
+        exit 1;
+}
diff --git a/usr/src/cmd/stat/ziostat/Makefile b/usr/src/cmd/stat/ziostat/Makefile
new file mode 100644
index 0000000000..c338b59678
--- /dev/null
+++ b/usr/src/cmd/stat/ziostat/Makefile
@@ -0,0 +1,41 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright (c) 2011, Joyent, Inc. All rights reserved.
+#
+
+include $(SRC)/cmd/Makefile.cmd
+
+PROG=	ziostat
+
+.KEEP_STATE:
+
+all: $(PROG)
+
+install: all .WAIT $(ROOTPROG)
+
+clean:
+
+$(ROOTBINPROG): $(PROG)
+	$(INS.file)
+
+lint:
+
+include $(SRC)/cmd/Makefile.targ
diff --git a/usr/src/cmd/stat/ziostat/ziostat.pl b/usr/src/cmd/stat/ziostat/ziostat.pl
new file mode 100755
index 0000000000..cf95d2f5a5
--- /dev/null
+++ b/usr/src/cmd/stat/ziostat/ziostat.pl
@@ -0,0 +1,204 @@
+#!/usr/perl5/bin/perl -w
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright (c) 2011 Joyent, Inc.
+#
+# ziostat - report I/O statistics per zone
+#
+# USAGE:    ziostat [-hIMrzZ] [interval [count]]
+#           -h              # help
+#           -I              # print results per interval (where applicable)
+#	    -M              # print results in MB/s
+#	    -r		    # print data in comma-separated format
+#	    -z		    # hide zones with no ZFS I/O activity
+#	    -Z		    # print data for all zones
+#
+#   eg,	    ziostat               # print summary since zone boot
+#           ziostat 1             # print continually every 1 second
+#           ziostat 1 5           # print 5 times, every 1 second
+#
+# NOTES:
+#
+# - The calculations and output fields emulate those from iostat(1M) as closely
+#   as possible.  When only one zone is actively performing disk I/O, the
+#   results from iostat(1M) in the global zone and ziostat in the local zone
+#   should be almost identical.
+#
+# - As with iostat(1M), a result of 100% for disk utilization does not mean that
+#   the disk is fully saturated.  Instead, that measurement just shows that at
+#   least one operation was pending over the last quanta of time examined.
+#   Since disk devices can process more than one operation concurrently, this
+#   measurement will frequently be 100% but the disk can still offer higher
+#   performance.
+#
+# - This script is based on Brendan Gregg's K9Toolkit examples:
+#
+#	http://www.brendangregg.com/k9toolkit.html
+#
+
+use Getopt::Std;
+use Sun::Solaris::Kstat;
+my $Kstat = Sun::Solaris::Kstat->new();
+
+# Process command line args
+usage() if defined $ARGV[0] and $ARGV[0] eq "--help";
+getopts('hIMrzZ') or usage();
+usage() if defined $main::opt_h;
+$main::opt_h = 0;
+
+my $USE_MB = defined $main::opt_M ? $main::opt_M : 0;
+my $USE_INTERVAL = defined $main::opt_I ? $main::opt_I : 0;
+my $USE_COMMA = defined $main::opt_r ? $main::opt_r : 0;
+my $HIDE_ZEROES = defined $main::opt_z ? $main::opt_z : 0;
+my $ALL_ZONES = defined $main::opt_Z ? $main::opt_Z : 0;
+
+my ($interval, $count);
+if ( defined($ARGV[0]) ) {
+	$interval = $ARGV[0];
+	$count = defined ($ARGV[1]) ? $ARGV[1] : 2**32;
+	usage() if ($interval == 0);
+} else {
+	$interval = 1;
+	$count = 1; 
+}
+
+my $HEADER_FMT = $USE_COMMA ?
+     "r/%s,%sr/%s,actv,wsvc_t,asvc_t,%%b,zone\n" :
+     "    r/%s   %sr/%s   actv wsvc_t asvc_t  %%b zone\n";
+my $DATA_FMT = $USE_COMMA ?
+    "%.1f,%.1f,%.1f,%.1f,%.1f,%d,%s,%d\n" :
+    " %6.1f %6.1f %6.1f %6.1f %6.1f %3d %s (%d)\n";
+
+my $BYTES_PREFIX = $USE_MB ? "M" : "k";
+my $BYTES_DIVISOR = $USE_MB ? 1024 * 1024 : 1024;
+my $INTERVAL_SUFFIX = $USE_INTERVAL ? "i" : "s";
+my $NANOSEC = 1000000000;
+
+my @fields = ( 'reads', 'nread', 'waittime', 'rtime', 'rlentime', 'snaptime' );
+
+chomp(my $curzone = (`/sbin/zonename`));
+
+# Read list of visible zones and their zone IDs
+my @zones = ();
+my %zoneids = ();
+my $zoneadm = `zoneadm list -p | cut -d: -f1,2`;
+@lines = split(/\n/, $zoneadm);
+foreach $line (@lines) {
+	@tok = split(/:/, $line);
+	$zoneids->{$tok[1]} = $tok[0];
+	push(@zones, $tok[1]);
+}
+
+my %old = ();
+my $rows_printed = 0;
+
+$Kstat->update();
+
+for (my $ii = 0; $ii < $count; $ii++) {
+	# Print the column header every 20 rows
+	if ($rows_printed == 0 || $ALL_ZONES) {
+		printf($HEADER_FMT, $INTERVAL_SUFFIX, $BYTES_PREFIX,
+		    $INTERVAL_SUFFIX, $INTERVAL_SUFFIX);
+	}
+
+	$rows_printed = $rows_printed >= 20 ? 0 : $rows_printed + 1;
+
+	foreach $zone (@zones) {
+		if ((!$ALL_ZONES) && ($zone ne $curzone)) {
+			next;
+		}
+
+		if (! defined $old->{$zone}) {
+			$old->{$zone} = ();
+			foreach $field (@fields) { $old->{$zone}->{$field} = 0; }
+		}
+
+		#
+		# Kstats have a 30-character limit (KSTAT_STRLEN) on their
+		# names, so if the zone name exceeds that limit, use the first
+		# 30 characters.
+		#
+		my $trimmed_zone = substr($zone, 0, 30);
+		my $zoneid = $zoneids->{$zone};
+
+		print_stats($zone, $zoneid,
+		    $Kstat->{'zone_zfs'}{$zoneid}{$trimmed_zone}, $old->{$zone});
+	}
+
+	sleep ($interval);
+	$Kstat->update();
+}
+
+sub print_stats {
+	my $zone = $_[0];
+	my $zoneid = $_[1];
+	my $data = $_[2];
+	my $old = $_[3];
+
+	my $etime = $data->{'snaptime'} -
+	    ($old->{'snaptime'} > 0 ? $old->{'snaptime'} : $data->{'crtime'});
+
+	# Calculate basic statistics
+	my $rate_divisor = $USE_INTERVAL ? 1 : $etime;
+	my $reads = ($data->{'reads'} - $old->{'reads'}) / $rate_divisor;
+	my $nread = ($data->{'nread'} - $old->{'nread'}) /
+	    $rate_divisor / $BYTES_DIVISOR;
+
+	# Calculate overall transactions per second
+	my $ops = $data->{'reads'} - $old->{'reads'};
+	my $tps = $ops / $etime;
+
+	# Calculate average length of disk run queue
+	my $actv = (($data->{'rlentime'} - $old->{'rlentime'}) / $NANOSEC) /
+	    $etime;
+
+	# Calculate average disk wait and service times
+	my $wsvc = $ops > 0 ? (($data->{'waittime'} - $old->{'waittime'}) /
+	    1000000) / $ops : 0.0;
+	my $asvc = $tps > 0 ? $actv * (1000 / $tps) : 0.0;
+
+	# Calculate the % time the disk run queue is active
+	my $b_pct = ((($data->{'rtime'} - $old->{'rtime'}) / $NANOSEC) /
+	    $etime) * 100;
+
+	if (! $HIDE_ZEROES || $reads != 0.0 || $nread != 0.0 ) {
+		printf($DATA_FMT, $reads, $nread, $actv, $wsvc, $asvc,
+		    $b_pct, substr($zone, 0, 8), $zoneid);
+	}
+
+	# Save current calculations for next loop
+	foreach (@fields) { $old->{$_} = $data->{$_}; }
+}
+
+sub usage {
+        print STDERR <<END;
+USAGE: ziostat [-hIMrzZ] [interval [count]]
+   eg, ziostat               # print summary since zone boot
+       ziostat 1             # print continually every 1 second
+       ziostat 1 5           # print 5 times, every 1 second
+       ziostat -I            # print results per interval (where applicable)
+       ziostat -M            # print results in MB/s
+       ziostat -r            # print results in comma-separated format
+       ziostat -z            # hide zones with no ZFS I/O activity
+       ziostat -Z            # print results for all zones
+END
+        exit 1;
+}
diff --git a/usr/src/cmd/svc/configd/rc_node.c b/usr/src/cmd/svc/configd/rc_node.c
index 3cc30e3e67..149f2a6cb5 100644
--- a/usr/src/cmd/svc/configd/rc_node.c
+++ b/usr/src/cmd/svc/configd/rc_node.c
@@ -23,6 +23,9 @@
  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
  */
+/*
+ * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ */
 
 /*
  * rc_node.c - In-memory SCF object management
diff --git a/usr/src/cmd/svc/milestone/net-routing-setup b/usr/src/cmd/svc/milestone/net-routing-setup
index 6ab1a6c7f0..b4ee7d39ac 100644
--- a/usr/src/cmd/svc/milestone/net-routing-setup
+++ b/usr/src/cmd/svc/milestone/net-routing-setup
@@ -21,11 +21,15 @@
 #
 #
 # Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+#
+# Copyright (c) 2012 Joyent, Inc.  All rights reserved.
 
 # This script configures IP routing.
 
 . /lib/svc/share/smf_include.sh
 
+set -o xtrace
+
 #
 # In a shared-IP zone we need this service to be up, but all of the work
 # it tries to do is irrelevant (and will actually lead to the service 
@@ -156,7 +160,8 @@ fi
 # however, as persistent daemon state is now controlled by SMF.
 #
 ipv4_routing_set=`/usr/bin/svcprop -p routeadm/ipv4-routing-set $SMF_FMRI`
-if [ -z "$defrouters" ]; then
+smartos_param=`/usr/bin/bootparams | grep "^smartos"`
+if [ -z "$defrouters" ] && [ "$smartos_param" != "" ]; then
 	#
 	# Set default value for ipv4-routing to enabled.  If routeadm -e/-d
 	# has not yet been run by the administrator, we apply this default.
@@ -210,5 +215,21 @@ if [ -f /etc/inet/static_routes ]; then
 	done
 fi
 
+#
+# Read /etc/inet/static_routes.vmadm and add each route.
+#
+if [ -f /etc/inet/static_routes.vmadm ]; then
+	echo "Adding vmadm persistent routes:"
+	/usr/bin/egrep -v "^(#|$)" /etc/inet/static_routes.vmadm | while read line; do
+		/usr/sbin/route add $line
+	done
+fi
+
+#
+# Log the result
+#
+echo "Routing setup complete:"
+/usr/bin/netstat -rn
+
 # Clear exit status.
 exit $SMF_EXIT_OK
diff --git a/usr/src/cmd/svc/milestone/network-location.xml b/usr/src/cmd/svc/milestone/network-location.xml
index aad337f42f..709e9df8f3 100644
--- a/usr/src/cmd/svc/milestone/network-location.xml
+++ b/usr/src/cmd/svc/milestone/network-location.xml
@@ -106,7 +106,7 @@
 	-->
 	<dependency
 		name='manifest-import'
-		grouping='require_all'
+		grouping='optional_all'
 		restart_on='none'
 		type='service'>
 		<service_fmri value='svc:/system/manifest-import:default' />
diff --git a/usr/src/cmd/svc/milestone/network-routing-setup.xml b/usr/src/cmd/svc/milestone/network-routing-setup.xml
index b34d578e2a..85a74756da 100644
--- a/usr/src/cmd/svc/milestone/network-routing-setup.xml
+++ b/usr/src/cmd/svc/milestone/network-routing-setup.xml
@@ -40,11 +40,19 @@
 
 	<!-- loopback/physical network configuration is required -->
 	<dependency
-		name='network'
-		grouping='optional_all'
+		name='loopback'
+		grouping='require_all'
+		restart_on='none'
+		type='service'>
+		<service_fmri value='svc:/network/loopback' />
+	</dependency>
+
+	<dependency
+		name='physical'
+		grouping='require_all'
 		restart_on='none'
 		type='service'>
-		<service_fmri value='svc:/milestone/network' />
+		<service_fmri value='svc:/network/physical' />
 	</dependency>
 
 	<!-- usr filesystem required to run routing-related commands -->
diff --git a/usr/src/cmd/svc/milestone/network.xml b/usr/src/cmd/svc/milestone/network.xml
index 75b5578f44..48386ebf73 100644
--- a/usr/src/cmd/svc/milestone/network.xml
+++ b/usr/src/cmd/svc/milestone/network.xml
@@ -54,6 +54,14 @@
 		<service_fmri value='svc:/network/physical' />
 	</dependency>
 
+	<dependency
+		name='routing-setup'
+		grouping='require_all'
+		restart_on='none'
+		type='service'>
+		<service_fmri value='svc:/network/routing-setup' />
+	</dependency>
+
 	<exec_method
 		type='method'
 		name='start'
diff --git a/usr/src/cmd/svc/milestone/single-user.xml b/usr/src/cmd/svc/milestone/single-user.xml
index 8797f13c47..579ecb5ddd 100644
--- a/usr/src/cmd/svc/milestone/single-user.xml
+++ b/usr/src/cmd/svc/milestone/single-user.xml
@@ -68,7 +68,7 @@
 
 	<dependency
 		name='manifests'
-		grouping='require_all'
+		grouping='optional_all'
 		restart_on='none'
 		type='service'>
 		<service_fmri value='svc:/system/manifest-import' />
diff --git a/usr/src/cmd/svc/shell/smf_include.sh b/usr/src/cmd/svc/shell/smf_include.sh
index d0dc387246..02c9532763 100644
--- a/usr/src/cmd/svc/shell/smf_include.sh
+++ b/usr/src/cmd/svc/shell/smf_include.sh
@@ -22,6 +22,7 @@
 #
 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
+# Copyright 2012 Joyent, Inc.  All rights reserved.
 #
 
 smf_present () {
@@ -234,7 +235,12 @@ smf_kill_contract() {
 #   SMF_EXIT_ERR_OTHER, although not defined, encompasses all non-zero
 #   exit status values.
 #
+# The SMF_EXIT_NODAEMON exit status should be used when a method does not
+# need to run any persistent process. This indicates success, abandons the
+# contract, and allows dependencies to be met.
+#
 SMF_EXIT_OK=0
+SMF_EXIT_NODAEMON=94
 SMF_EXIT_ERR_FATAL=95
 SMF_EXIT_ERR_CONFIG=96
 SMF_EXIT_MON_DEGRADE=97
diff --git a/usr/src/cmd/svc/startd/graph.c b/usr/src/cmd/svc/startd/graph.c
index 7fbf17a6ec..c8e0872ff8 100644
--- a/usr/src/cmd/svc/startd/graph.c
+++ b/usr/src/cmd/svc/startd/graph.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2013, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -141,6 +142,8 @@
 #include <assert.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
 #include <fm/libfmevent.h>
 #include <libscf.h>
 #include <libscf_priv.h>
@@ -4875,6 +4878,20 @@ vertex_subgraph_dependencies_shutdown(scf_handle_t *h, graph_vertex_t *v,
 	was_up = up_state(old_state);
 	now_up = up_state(v->gv_state);
 
+	if (halting != -1 && old_state == RESTARTER_STATE_DISABLED &&
+	    v->gv_state != RESTARTER_STATE_DISABLED) {
+		/*
+		 * We're halting and we have a svc which is transitioning to
+		 * offline in parallel. This leads to a race condition where
+		 * gt_enter_offline might re-enable the svc after we disabled
+		 * it. Since we're halting, we want to ensure no svc ever
+		 * transitions out of the disabled state. In this case, modify
+		 * the flags to keep us on the halting path.
+		 */
+		was_up = 0;
+		now_up = 0;
+	}
+
 	if (!was_up && now_up) {
 		++non_subgraph_svcs;
 	} else if (was_up && !now_up) {
@@ -6827,6 +6844,7 @@ repository_event_thread(void *unused)
 	char *fmri = startd_alloc(max_scf_fmri_size);
 	char *pg_name = startd_alloc(max_scf_value_size);
 	int r;
+	int fd;
 
 	h = libscf_handle_create_bound_loop();
 
@@ -6849,6 +6867,14 @@ retry:
 		goto retry;
 	}
 
+	if ((fd = open("/etc/svc/volatile/startd.ready", O_RDONLY | O_CREAT,
+	    S_IRUSR)) < 0) {
+		log_error(LOG_WARNING, "Couldn't create startd.ready file\n",
+		    SCF_GROUP_FRAMEWORK, scf_strerror(scf_error()));
+	} else {
+		(void) close(fd);
+	}
+
 	/*CONSTCOND*/
 	while (1) {
 		ssize_t res;
diff --git a/usr/src/cmd/svc/startd/method.c b/usr/src/cmd/svc/startd/method.c
index cc9ce6768c..c3cd0144c1 100644
--- a/usr/src/cmd/svc/startd/method.c
+++ b/usr/src/cmd/svc/startd/method.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright 2011 Joyent Inc.
+ * Copyright 2012 Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -100,34 +100,18 @@ static uint_t method_events[] = {
  * method_record_start(restarter_inst_t *)
  *   Record a service start for rate limiting.  Place the current time
  *   in the circular array of instance starts.
+ *
+ *   Save the critical_failure_period and critical_failure_allowed with either
+ *   the defaults or the svc properties startd/critical_failure_count and
+ *   startd/critical_failure_period.
+ *   ri_crit_fail_allowed is capped at RINST_START_TIMES.
  */
 static void
 method_record_start(restarter_inst_t *inst)
 {
-	int index = inst->ri_start_index++ % RINST_START_TIMES;
-
-	inst->ri_start_time[index] = gethrtime();
-}
-
-/*
- * method_rate_critical(restarter_inst_t *)
- *    Return true if the average start interval is less than the permitted
- *    interval.  The implicit interval defaults to RINST_FAILURE_RATE_NS and
- *    RINST_START_TIMES but may be overridden with the svc properties
- *    startd/critical_failure_count and startd/critical_failure_period
- *    which represent the number of failures to consider and the amount of
- *    time in seconds in which that number may occur, respectively. Note that
- *    this time is measured as of the transition to 'enabled' rather than wall
- *    clock time.
- *    Implicit success if insufficient measurements for an average exist.
- */
-int
-method_rate_critical(restarter_inst_t *inst)
-{
+	int index;
+	uint_t critical_failure_allowed = RINST_START_TIMES;
 	hrtime_t critical_failure_period;
-	uint_t critical_failure_count = RINST_START_TIMES;
-	uint_t n = inst->ri_start_index;
-	hrtime_t avg_ns = 0;
 	uint64_t scf_fr, scf_st;
 	scf_propvec_t *prop = NULL;
 	scf_propvec_t restart_critical[] = {
@@ -151,17 +135,48 @@ method_rate_critical(restarter_inst_t *inst)
 		 * in seconds but tracked in ns
 		 */
 		critical_failure_period = (hrtime_t)scf_fr * NANOSEC;
-		critical_failure_count = (uint_t)scf_st;
+		critical_failure_allowed = (uint_t)scf_st;
+
+		if (critical_failure_allowed > RINST_START_TIMES)
+			critical_failure_allowed = RINST_START_TIMES;
+		if (critical_failure_allowed < 1)
+			critical_failure_allowed = 1;
+
 	}
-	if (inst->ri_start_index < critical_failure_count)
+
+	inst->ri_crit_fail_allowed = critical_failure_allowed;
+	inst->ri_crit_fail_period = critical_failure_period;
+
+	index = inst->ri_start_index++ % critical_failure_allowed;
+	inst->ri_start_time[index] = gethrtime();
+}
+
+/*
+ * method_rate_critical(restarter_inst_t *)
+ *    Return true if the number of failures within the interval
+ *    ri_crit_fail_period exceeds ri_crit_fail_allowed. The allowed failure
+ *    count defaults to RINST_START_TIMES and the implicit interval defaults
+ *    to RINST_FAILURE_RATE_NS but may be overridden with the svc properties
+ *    startd/critical_failure_count and startd/critical_failure_period which
+ *    represent the acceptable number of failures and the amount of time in
+ *    seconds in which that number may occur, respectively. Note that this time
+ *    is measured as of the transition to 'enabled' rather than wall clock
+ *    time. Implicitly not critical if insufficient failures have occured.
+ */
+int
+method_rate_critical(restarter_inst_t *inst)
+{
+	uint_t n = inst->ri_start_index;
+	uint_t fail_allowed = inst->ri_crit_fail_allowed;
+	hrtime_t diff_ns;
+
+	if (n < fail_allowed)
 		return (0);
 
-	avg_ns =
-	    (inst->ri_start_time[(n - 1) % critical_failure_count] -
-	    inst->ri_start_time[n % critical_failure_count]) /
-	    (critical_failure_count - 1);
+	diff_ns = inst->ri_start_time[(n - 1) % fail_allowed] -
+	    inst->ri_start_time[n % fail_allowed];
 
-	return (avg_ns < critical_failure_period);
+	return (diff_ns < inst->ri_crit_fail_period);
 }
 
 /*
@@ -989,7 +1004,8 @@ method_run(restarter_inst_t **instp, int type, int *exit_code)
 			goto contract_out;
 		}
 
-		if (!WIFEXITED(ret_status)) {
+		if (!WIFEXITED(ret_status) &&
+		    WEXITSTATUS(ret_status) != SMF_EXIT_NODAEMON) {
 			/*
 			 * If method didn't exit itself (it was killed by an
 			 * external entity, etc.), consider the entire
@@ -1018,7 +1034,7 @@ method_run(restarter_inst_t **instp, int type, int *exit_code)
 		}
 
 		*exit_code = WEXITSTATUS(ret_status);
-		if (*exit_code != 0) {
+		if (*exit_code != 0 && *exit_code != SMF_EXIT_NODAEMON) {
 			log_error(LOG_WARNING,
 			    "%s: Method \"%s\" failed with exit status %d.\n",
 			    inst->ri_i.i_fmri, method, WEXITSTATUS(ret_status));
@@ -1027,6 +1043,7 @@ method_run(restarter_inst_t **instp, int type, int *exit_code)
 		log_instance(inst, B_TRUE, "Method \"%s\" exited with status "
 		    "%d.", mname, *exit_code);
 
+		/* Note: we will take this path for SMF_EXIT_NODAEMON */
 		if (*exit_code != 0)
 			goto contract_out;
 
@@ -1073,7 +1090,10 @@ assured_kill:
 	}
 
 contract_out:
-	/* Abandon contracts for transient methods & methods that fail. */
+	/*
+	 * Abandon contracts for transient methods, methods that exit with
+	 * SMF_EXIT_NODAEMON & methods that fail.
+	 */
 	transient = method_is_transient(inst, type);
 	if ((transient || *exit_code != 0 || result != 0) &&
 	    (restarter_is_kill_method(method) < 0))
@@ -1169,7 +1189,7 @@ retry:
 
 	r = method_run(&inst, info->sf_method_type, &exit_code);
 
-	if (r == 0 && exit_code == 0) {
+	if (r == 0 && (exit_code == 0 || exit_code == SMF_EXIT_NODAEMON)) {
 		/* Success! */
 		assert(inst->ri_i.i_next_state != RESTARTER_STATE_NONE);
 
@@ -1187,6 +1207,12 @@ retry:
 			else
 				method_remove_contract(inst, B_TRUE, B_TRUE);
 		}
+
+		/*
+		 * For methods that exit with SMF_EXIT_NODAEMON, we already
+		 * called method_remove_contract in method_run.
+		 */
+
 		/*
 		 * We don't care whether the handle was rebound because this is
 		 * the last thing we do with it.
diff --git a/usr/src/cmd/svc/startd/startd.c b/usr/src/cmd/svc/startd/startd.c
index 6e3ea9876b..c3705c0c5c 100644
--- a/usr/src/cmd/svc/startd/startd.c
+++ b/usr/src/cmd/svc/startd/startd.c
@@ -42,6 +42,136 @@
  * engine commands by executing methods, updating the repository, and sending
  * feedback (mostly state updates) to the graph engine.
  *
+ * Overview of the SMF Architecture
+ *
+ * There are a few different components that make up SMF and are responsible
+ * for different pieces of functionality that are used:
+ *
+ * svc.startd(1M): A daemon that is in charge of starting, stopping, and
+ *     restarting services and instances
+ * svc.configd: A daemon that manages the repository that stores information,
+ *     property groups, and state of the different services and instances
+ * libscf(3LIB): A C library that provides the glue for communicating,
+ *     accessing, and updating information about services and instances
+ * svccfg(1M): A utility to add and remove services as well as change the
+ *     properties associated with different services and instances.
+ * svcadm(1M): A utility to control the different instance of a service. You
+ *     can use this to enable and disable them among some other useful things.
+ * svcs(1): A utility that reports on the status of various services on the
+ *     system
+ *
+ * The following block diagram explains how these components communicate:
+ *
+ * The SMF Block Diagram
+ *                                                       Repository
+ *   This attempts to show       ___________             __________
+ *   the relations between       |         |     SQL     |        |
+ *   the different pieces        | configd |<----------->| SQLite |
+ *   that make SMF work and      |         | Transaction |        |
+ *   users/administrators        -----------             ----------
+ *   call into.                  /|\    /|\
+ *                                |      |
+ *                   door_call(3C)|      | door_call(3C)
+ *                                |      |
+ *                               \|/    \|/
+ *      ____________     __________      __________      ____________
+ *      |          |     |        |      |        |      |  svccfg  |
+ *      |  startd  |<--->| libscf |      | libscf |<---->|  svcadm  |
+ *      |          |     | (3LIB) |      | (3LIB) |      |   svcs   |
+ *      ------------     ----------      ----------      ------------
+ *       /|\    /|\
+ *        |      | fork(2)/exec(2)
+ *        |      | libcontract(3LIB)
+ *       \|/    \|/                          Various System/User services
+ *       ---------------------------------------------------------------------
+ *       | system/filesystem/local:default      system/coreadm:default       |
+ *       | network/lookpback:default            system/zones:default         |
+ *       | network/ntp:default                  system/cron:default          |
+ *       | smartdc/agent/ca/cainstsvc:default   network/ssh:default          |
+ *       | appliance/kit/akd:default            system/svc/restarter:default |
+ *       ---------------------------------------------------------------------
+ *
+ * Chatting with configd and sharing repository information
+ *
+ * As you run commands with svcs, svccfg, and svcadm, they are all creating a
+ * libscf handle to communicate with configd. As calls are made via libscf they
+ * ultimately go and talk to configd to get information. However, how we
+ * actually are talking to configd is not as straightforward as it appears.
+ *
+ * When configd starts up it creates a door located at
+ * /etc/svc/volatile/repository_door. This door runs the routine called
+ * main_switcher() from usr/src/cmd/svc/configd/maindoor.c. When you first
+ * invoke svc(cfg|s|adm), one of the first things that occurs is creating a
+ * scf_handle_t and binding it to configd by calling scf_handle_bind(). This
+ * function makes a door call to configd and gets returned a new file
+ * descriptor. This file descriptor is itself another door which calls into
+ * configd's client_switcher(). This is the door that is actually used when
+ * getting and fetching properties, and many other useful things.
+ *
+ * svc.startd needs a way to notice the changes that occur to the repository.
+ * For example, if you enabled a service that was not previously running, it's
+ * up to startd to notice that this has happened, check dependencies, and
+ * eventually start up the service. The way it gets these notifications is via
+ * a thread who's sole purpose in life is to call _scf_notify_wait(). This
+ * function acts like poll(2) but for changes that occur in the repository.
+ * Once this thread gets the event, it dispatches the event appropriately.
+ *
+ * The Events of svc.startd
+ *
+ * svc.startd has to handle a lot of complexity. Understanding how you go from
+ * getting the notification that a service was enabled to actually enabling it
+ * is not obvious from a cursory glance. The first thing to keep in mind is
+ * that startd maintains a graph of all the related services and instances so
+ * it can keep track of what is enabled, what dependencies exist, etc. all so
+ * that it can answer the question of what is affected by a change. Internally
+ * there are a lot of different queues for events, threads to process these
+ * queues, and different paths to have events enter these queues. What follows
+ * is a diagram that attempts to explain some of those paths, though it's
+ * important to note that for some of these pieces, such as the graph and
+ * vertex events, there are many additional ways and code paths these threads
+ * and functions can take. And yes, restarter_event_enqueue() is not the same
+ * thing as restarter_queue_event().
+ *
+ *   Threads/Functions                 Queues                  Threads/Functions
+ *
+ * called by various
+ *     ------------------             ---------                  ---------------
+ * --->| graph_protocol | graph_event | graph |   graph_event_   | graph_event |
+ * --->| _send_event()  |------------>| event |----------------->| _thread     |
+ *     ------------------ _enqueue()  | queue |   dequeue()      ---------------
+ *                                    ---------                         |
+ *  _scf_notify_wait()                               vertex_send_event()|
+ *  |                                                                  \|/
+ *  |  --------------------                              ----------------------
+ *  |->| repository_event | vertex_send_event()          | restarter_protocol |
+ *     | _thread          |----------------------------->| _send_event()      |
+ *     --------------------                              ----------------------
+ *                                                          |    | out to other
+ *                restarter_                     restarter_ |    | restarters
+ *                event_dequeue() -------------  event_     |    | not startd
+ *               |----------------| restarter |<------------|    |------------->
+ *              \|/               |   event   |  enqueue()
+ *      -------------------       |   queue   |             |------------------>
+ *      | restarter_event |       -------------             ||----------------->
+ *      | _thread         |                                 |||---------------->
+ *      -------------------                                 ||| start/stop inst
+ *               |               ----------------       ----------------------
+ *               |               |   instance   |       | restarter_process_ |
+ *               |-------------->|    event     |------>| events             |
+ *                restarter_     |    queue     |       | per-instance lwp   |
+ *                queue_event()  ----------------       ----------------------
+ *                                                          ||| various funcs
+ *                                                          ||| controlling
+ *                                                          ||| instance state
+ *                                                          |||--------------->
+ *                                                          ||---------------->
+ *                                                          |----------------->
+ *
+ * What's important to take away is that there is a queue for each instance on
+ * the system that handles events related to dealing directly with that
+ * instance and that events can be added to it because of changes to properties
+ * that are made to configd and acted upon asynchronously by startd.
+ *
  * Error handling
  *
  * In general, when svc.startd runs out of memory it reattempts a few times,
diff --git a/usr/src/cmd/svc/startd/startd.h b/usr/src/cmd/svc/startd/startd.h
index c1062e45e0..e204fb829f 100644
--- a/usr/src/cmd/svc/startd/startd.h
+++ b/usr/src/cmd/svc/startd/startd.h
@@ -405,7 +405,7 @@ typedef enum {
 
 #define	RINST_RETAKE_MASK	0x0f000000
 
-#define	RINST_START_TIMES	5		/* failures to consider */
+#define	RINST_START_TIMES	10		/* up to 10 fails to consider */
 #define	RINST_FAILURE_RATE_NS	600000000000LL	/* 1 failure/10 minutes */
 #define	RINST_WT_SVC_FAILURE_RATE_NS	NANOSEC	/* 1 failure/second */
 
@@ -427,6 +427,8 @@ typedef struct restarter_inst {
 
 	hrtime_t		ri_start_time[RINST_START_TIMES];
 	uint_t			ri_start_index;	/* times started */
+	uint_t			ri_crit_fail_allowed;
+	hrtime_t		ri_crit_fail_period;
 
 	uu_list_node_t		ri_link;
 	pthread_mutex_t		ri_lock;
diff --git a/usr/src/cmd/svc/svcadm/Makefile b/usr/src/cmd/svc/svcadm/Makefile
index cc0cc160bf..1a6a0dd35c 100644
--- a/usr/src/cmd/svc/svcadm/Makefile
+++ b/usr/src/cmd/svc/svcadm/Makefile
@@ -21,6 +21,7 @@
 #
 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
+# Copyright 2012, Joyent, Inc.  All rights reserved.
 #
 
 PROG =		svcadm
@@ -49,7 +50,11 @@ $(PROG): $(OBJS)
 $(POFILE): $(POFILES)
 	cat $(POFILES) > $(POFILE)
 
-install: all $(ROOTUSRSBINPROG)
+install: all $(ROOTSBINPROG) $(ROOTUSRSBINPROG)
+
+$(ROOTUSRSBINPROG):
+	-$(RM) $@
+	-$(SYMLINK) ../../sbin/$(PROG) $@
 
 clean:
 	$(RM) $(OBJS)
diff --git a/usr/src/cmd/svc/svccfg/svccfg_libscf.c b/usr/src/cmd/svc/svccfg/svccfg_libscf.c
index 5a96e5eac4..077a77f114 100644
--- a/usr/src/cmd/svc/svccfg/svccfg_libscf.c
+++ b/usr/src/cmd/svc/svccfg/svccfg_libscf.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  * Copyright 2012 Milan Jurik. All rights reserved.
  */
 
@@ -44,6 +45,7 @@
 #include <stdarg.h>
 #include <string.h>
 #include <strings.h>
+#include <time.h>
 #include <unistd.h>
 #include <wait.h>
 #include <poll.h>
@@ -241,6 +243,9 @@ static const char *emsg_dpt_no_dep;
 static int li_only = 0;
 static int no_refresh = 0;
 
+/* how long in ns we should wait between checks for a pg */
+static uint64_t pg_timeout = 100 * (NANOSEC / MILLISEC);
+
 /* import globals, to minimize allocations */
 static scf_scope_t *imp_scope = NULL;
 static scf_service_t *imp_svc = NULL, *imp_tsvc = NULL;
@@ -6751,6 +6756,205 @@ connaborted:
 }
 
 /*
+ * When an instance is imported we end up telling configd about it. Once we tell
+ * configd about these changes, startd eventually notices. If this is a new
+ * instance, the manifest may not specify the SCF_PG_RESTARTER (restarter)
+ * property group. However, many of the other tools expect that this property
+ * group exists and has certain values.
+ *
+ * These values are added asynchronously by startd. We should not return from
+ * this routine until we can verify that the property group we need is there.
+ *
+ * Before we go ahead and verify this, we have to ask ourselves an
+ * important question: Is the early manifest service currently running?
+ * Because if is running and invoked us, then the service will never get
+ * a restarter property because svc.startd is blocked on EMI finishing
+ * before it lets itself fully connect to svc.configd. Of course, this
+ * means that this race condition is in fact impossible to 100%
+ * eliminate.
+ *
+ * svc.startd makes sure that EMI only runs once and has succeeded by
+ * checking the state of the EMI instance. If it is online it bails out
+ * and makes sure that it doesn't run again. In this case, we're going
+ * to do something similar, only if the state is online, then we're
+ * going to actually verify. EMI always has to be present, but it
+ * can be explicitly disabled to reduce the amount of damage it can cause. If
+ * EMI has been disabled then we no longer have to worry about the implicit race
+ * condition and can go ahead and check things. If EMI is in some tate that
+ * isn't online or disabled and isn't runinng, then we assume that things are
+ * rather bad and we're not going to get in your way, even if the rest of SMF
+ * does.
+ *
+ * Returns 0 on success or returns an errno.
+ */
+#ifndef NATIVE_BUILD
+static int
+lscf_instance_verify(scf_scope_t *scope, entity_t *svc, entity_t *inst)
+{
+	int ret, err;
+	struct timespec ts;
+	char *emi_state;
+
+	/*
+	 * smf_get_state does not distinguish between its different failure
+	 * modes: memory allocation failures and SMF internal failures.
+	 */
+	if ((emi_state = smf_get_state(SCF_INSTANCE_EMI)) == NULL)
+		return (EAGAIN);
+
+	/*
+	 * As per the block comment for this function check the state of EMI
+	 */
+	if (strcmp(emi_state, SCF_STATE_STRING_ONLINE) != 0 &&
+	    strcmp(emi_state, SCF_STATE_STRING_DISABLED) != 0) {
+		warn(gettext("Not validating instance %s:%s because EMI's "
+		    "state is %s\n"), svc->sc_name, inst->sc_name, emi_state);
+		free(emi_state);
+		return (0);
+	}
+
+	free(emi_state);
+
+	/*
+	 * First we have to get the property.
+	 */
+	if ((ret = scf_scope_get_service(scope, svc->sc_name, imp_svc)) != 0) {
+		ret = scf_error();
+		warn(gettext("Failed to look up service: %s\n"), svc->sc_name);
+		return (ret);
+	}
+
+	/*
+	 * We should always be able to get the instance. It should already
+	 * exist because we just created it or got it. There probably is a
+	 * slim chance that someone may have come in and deleted it though from
+	 * under us.
+	 */
+	if ((ret = scf_service_get_instance(imp_svc, inst->sc_name, imp_inst))
+	    != 0) {
+		ret = scf_error();
+		warn(gettext("Failed to verify instance: %s\n"), inst->sc_name);
+		switch (ret) {
+		case SCF_ERROR_DELETED:
+			err = ENODEV;
+			break;
+		case SCF_ERROR_CONNECTION_BROKEN:
+			warn(gettext("Lost repository connection\n"));
+			err = ECONNABORTED;
+			break;
+		case SCF_ERROR_NOT_FOUND:
+			warn(gettext("Instance \"%s\" disappeared out from "
+			    "under us.\n"), inst->sc_name);
+			err = ENOENT;
+			break;
+		default:
+			bad_error("scf_service_get_instance", ret);
+		}
+
+		return (err);
+	}
+
+	/*
+	 * An astute observer may want to use _scf_wait_pg which would notify us
+	 * of a property group change, unfortunately that does not work if the
+	 * property group in question does not exist. So instead we have to
+	 * manually poll and ask smf the best way to get to it.
+	 */
+	while ((ret = scf_instance_get_pg(imp_inst, SCF_PG_RESTARTER, imp_pg))
+	    != SCF_SUCCESS) {
+		ret = scf_error();
+		if (ret != SCF_ERROR_NOT_FOUND) {
+			warn(gettext("Failed to get restarter property "
+			    "group for instance: %s\n"), inst->sc_name);
+			switch (ret) {
+			case SCF_ERROR_DELETED:
+				err = ENODEV;
+				break;
+			case SCF_ERROR_CONNECTION_BROKEN:
+				warn(gettext("Lost repository connection\n"));
+				err = ECONNABORTED;
+				break;
+			default:
+				bad_error("scf_service_get_instance", ret);
+			}
+
+			return (err);
+		}
+
+		ts.tv_sec = pg_timeout / NANOSEC;
+		ts.tv_nsec = pg_timeout % NANOSEC;
+
+		(void) nanosleep(&ts, NULL);
+	}
+
+	/*
+	 * svcadm also expects that the SCF_PROPERTY_STATE property is present.
+	 * So in addition to the property group being present, we need to wait
+	 * for the property to be there in some form.
+	 *
+	 * Note that a property group is a frozen snapshot in time. To properly
+	 * get beyond this, you have to refresh the property group each time.
+	 */
+	while ((ret = scf_pg_get_property(imp_pg, SCF_PROPERTY_STATE,
+	    imp_prop)) != 0) {
+
+		ret = scf_error();
+		if (ret != SCF_ERROR_NOT_FOUND) {
+			warn(gettext("Failed to get property %s from the "
+			    "restarter property group of instance %s\n"),
+			    SCF_PROPERTY_STATE, inst->sc_name);
+			switch (ret) {
+			case SCF_ERROR_CONNECTION_BROKEN:
+				warn(gettext("Lost repository connection\n"));
+				err = ECONNABORTED;
+				break;
+			case SCF_ERROR_DELETED:
+				err = ENODEV;
+				break;
+			default:
+				bad_error("scf_pg_get_property", ret);
+			}
+
+			return (err);
+		}
+
+		ts.tv_sec = pg_timeout / NANOSEC;
+		ts.tv_nsec = pg_timeout % NANOSEC;
+
+		(void) nanosleep(&ts, NULL);
+
+		ret = scf_instance_get_pg(imp_inst, SCF_PG_RESTARTER, imp_pg);
+		if (ret != SCF_SUCCESS) {
+			warn(gettext("Failed to get restarter property "
+			    "group for instance: %s\n"), inst->sc_name);
+			switch (ret) {
+			case SCF_ERROR_DELETED:
+				err = ENODEV;
+				break;
+			case SCF_ERROR_CONNECTION_BROKEN:
+				warn(gettext("Lost repository connection\n"));
+				err = ECONNABORTED;
+				break;
+			default:
+				bad_error("scf_service_get_instance", ret);
+			}
+
+			return (err);
+		}
+	}
+
+	/*
+	 * We don't have to free the property groups or other values that we got
+	 * because we stored them in global variables that are allocated and
+	 * freed by the routines that call into these functions. Unless of
+	 * course the rest of the code here that we are basing this on is
+	 * mistaken.
+	 */
+	return (0);
+}
+#endif
+
+/*
  * If the service is missing, create it, import its properties, and import the
  * instances.  Since the service is brand new, it should be empty, and if we
  * run into any existing entities (SCF_ERROR_EXISTS), abort.
@@ -6834,6 +7038,7 @@ lscf_service_import(void *v, void *pvt)
 	int fresh = 0;
 	scf_snaplevel_t *running;
 	int have_ge = 0;
+	boolean_t retried = B_FALSE;
 
 	const char * const ts_deleted = gettext("Temporary service svc:/%s "
 	    "was deleted unexpectedly.\n");
@@ -6889,6 +7094,7 @@ lscf_service_import(void *v, void *pvt)
 		return (UU_WALK_ERROR);
 	}
 
+retry:
 	if (scf_scope_add_service(imp_scope, imp_tsname, imp_tsvc) != 0) {
 		switch (scf_error()) {
 		case SCF_ERROR_CONNECTION_BROKEN:
@@ -6898,6 +7104,11 @@ lscf_service_import(void *v, void *pvt)
 			return (stash_scferror(lcbdata));
 
 		case SCF_ERROR_EXISTS:
+			if (!retried) {
+				lscf_delete(imp_tsname, 0);
+				retried = B_TRUE;
+				goto retry;
+			}
 			warn(gettext(
 			    "Temporary service \"%s\" must be deleted before "
 			    "this manifest can be imported.\n"), imp_tsname);
@@ -8122,7 +8333,36 @@ lscf_bundle_import(bundle_t *bndl, const char *filename, uint_t flags)
 				goto progress;
 
 		result = 0;
+
+		/*
+		 * This snippet of code assumes that we are running svccfg as we
+		 * normally do -- witih svc.startd running. Of course, that is
+		 * not actually the case all the time because we also use a
+		 * varient of svc.configd and svcccfg which are only meant to
+		 * run during the build process. During this time we have no
+		 * svc.startd, so this check would hang the build process.
+		 */
+#ifndef NATIVE_BUILD
+		/*
+		 * Verify that the restarter group is preset
+		 */
+		for (svc = uu_list_first(bndl->sc_bundle_services);
+		    svc != NULL;
+		    svc = uu_list_next(bndl->sc_bundle_services, svc)) {
+
+			insts = svc->sc_u.sc_service.sc_service_instances;
+
+			for (inst = uu_list_first(insts);
+			    inst != NULL;
+			    inst = uu_list_next(insts, inst)) {
+				if (lscf_instance_verify(imp_scope, svc,
+				    inst) != 0)
+					goto progress;
+			}
+		}
+#endif
 		goto out;
+
 	}
 
 	if (uu_error() != UU_ERROR_CALLBACK_FAILED)
diff --git a/usr/src/cmd/svc/svcs/Makefile b/usr/src/cmd/svc/svcs/Makefile
index 0e9fc52652..2ea89818c0 100644
--- a/usr/src/cmd/svc/svcs/Makefile
+++ b/usr/src/cmd/svc/svcs/Makefile
@@ -34,7 +34,7 @@ include ../../Makefile.cmd
 include ../../Makefile.ctf
 
 POFILE =	$(PROG)_all.po
-LDLIBS +=	-lcontract -lscf -luutil -lumem -lnvpair -lzonecfg
+LDLIBS +=	-lcontract -lscf -luutil -lumem -lnvpair -lzonecfg -lsasl
 CPPFLAGS += -I ../common
 
 lint := LINTFLAGS = -mux
diff --git a/usr/src/cmd/svc/svcs/explain.c b/usr/src/cmd/svc/svcs/explain.c
index 42fca80172..eed9733abc 100644
--- a/usr/src/cmd/svc/svcs/explain.c
+++ b/usr/src/cmd/svc/svcs/explain.c
@@ -200,6 +200,7 @@ static char *emsg_invalid_dep;
 
 extern scf_handle_t *h;
 extern char *g_zonename;
+extern char *g_zonealias;
 
 /* ARGSUSED */
 static int
@@ -2000,6 +2001,9 @@ print_service(inst_t *svcp, int verbose)
 	if (g_zonename != NULL)
 		(void) printf(gettext("  Zone: %s\n"), g_zonename);
 
+	if (g_zonealias != NULL)
+		(void) printf(gettext(" Alias: %s\n"), g_zonealias);
+
 	stime = svcp->stime.tv_sec;
 	tmp = localtime(&stime);
 
diff --git a/usr/src/cmd/svc/svcs/svcs.c b/usr/src/cmd/svc/svcs/svcs.c
index c54f4bd12d..b4882d1776 100644
--- a/usr/src/cmd/svc/svcs/svcs.c
+++ b/usr/src/cmd/svc/svcs/svcs.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2013, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -59,6 +59,7 @@
 #include <sys/ctfs.h>
 #include <sys/stat.h>
 
+#include <sasl/saslutil.h>
 #include <assert.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -134,6 +135,9 @@ static int first_paragraph = 1;		/* For -l mode. */
 static char *common_name_buf;		/* Sized for maximal length value. */
 char *locale;				/* Current locale. */
 char *g_zonename;			/* zone being operated upon */
+char *g_zonealias;			/* alias for zone, if any */
+static char g_aliasdec[MAXPATHLEN / 4 * 3];	/* decoded zone alias buffer */
+static char g_aliasbuf[MAXPATHLEN];	/* base64 encoded zone alias buffer */
 
 /*
  * Pathname storage for path generated from the fmri.
@@ -240,7 +244,25 @@ ht_free(void)
 static void
 ht_init(void)
 {
-	assert(ht_buckets == NULL);
+	if (ht_buckets != NULL) {
+		/*
+		 * If we already have a hash table (e.g., because we are
+		 * processing multiple zones), destroy it before creating
+		 * a new one.
+		 */
+		struct ht_elem *elem, *next;
+		int i;
+
+		for (i = 0; i < ht_buckets_num; i++) {
+			for (elem = ht_buckets[i]; elem != NULL; elem = next) {
+				next = elem->next;
+				free((char *)elem->fmri);
+				free(elem);
+			}
+		}
+
+		free(ht_buckets);
+	}
 
 	ht_buckets_num = 8;
 	ht_buckets = safe_malloc(sizeof (*ht_buckets) * ht_buckets_num);
@@ -553,7 +575,7 @@ get_restarter_time_prop(scf_instance_t *inst, const char *pname,
 	int r;
 
 	r = inst_get_single_val(inst, SCF_PG_RESTARTER, pname, SCF_TYPE_TIME,
-	    tvp, NULL, ok_if_empty ? EMPTY_OK : 0, 0, 1);
+	    tvp, 0, ok_if_empty ? EMPTY_OK : 0, 0, 1);
 
 	return (r == 0 ? 0 : -1);
 }
@@ -1650,7 +1672,7 @@ sprint_stime(char **buf, scf_walkinfo_t *wip)
 		    SCF_PROPERTY_STATE_TIMESTAMP, &tv, 0);
 	} else {
 		r = pg_get_single_val(wip->pg, SCF_PROPERTY_STATE_TIMESTAMP,
-		    SCF_TYPE_TIME, &tv, NULL, 0);
+		    SCF_TYPE_TIME, &tv, 0, 0);
 	}
 
 	if (r != 0) {
@@ -1702,7 +1724,7 @@ sortkey_stime(char *buf, int reverse, scf_walkinfo_t *wip)
 		    SCF_PROPERTY_STATE_TIMESTAMP, &tv, 0);
 	else
 		r = pg_get_single_val(wip->pg, SCF_PROPERTY_STATE_TIMESTAMP,
-		    SCF_TYPE_TIME, &tv, NULL, 0);
+		    SCF_TYPE_TIME, &tv, 0, 0);
 
 	if (r == 0) {
 		int64_t sec;
@@ -2514,7 +2536,7 @@ print_detailed(void *unused, scf_walkinfo_t *wip)
 			    gettext("next_state"), buf);
 
 		if (pg_get_single_val(rpg, SCF_PROPERTY_STATE_TIMESTAMP,
-		    SCF_TYPE_TIME, &tv, NULL, 0) == 0) {
+		    SCF_TYPE_TIME, &tv, 0, 0) == 0) {
 			stime = tv.tv_sec;
 			tmp = localtime(&stime);
 			for (tbsz = 50; ; tbsz *= 2) {
@@ -3663,6 +3685,24 @@ again:
 		assert(opt_zone == NULL || zids == NULL);
 
 		if (opt_zone == NULL) {
+			zone_status_t status;
+
+			if (zone_getattr(zids[zent], ZONE_ATTR_STATUS,
+			    &status, sizeof (status)) < 0 ||
+			    status != ZONE_IS_RUNNING) {
+				/*
+				 * If this zone is not running or we cannot
+				 * get its status, we do not want to attempt
+				 * to bind an SCF handle to it, lest we
+				 * accidentally interfere with a zone that
+				 * is not yet running by looking up a door
+				 * to its svc.configd (which could potentially
+				 * block a mount with an EBUSY).
+				 */
+				zent++;
+				goto nextzone;
+			}
+
 			if (getzonenamebyid(zids[zent++],
 			    zonename, sizeof (zonename)) < 0) {
 				uu_warn(gettext("could not get name for "
@@ -3685,18 +3725,46 @@ again:
 			uu_die(gettext("invalid zone '%s'\n"), g_zonename);
 
 		scf_value_destroy(zone);
+
+		/*
+		 * On SmartOS, there may be a base64-encoded string attribute
+		 * named 'alias' associated with this zone.  This alias is
+		 * useful, so we attempt to make it available when we are
+		 * displaying -xZ output.  If it's not available or not
+		 * decodable, we just ignore it.
+		 */
+		if (g_zonename != NULL) {
+			unsigned len;
+			struct zone_attrtab zattrs;
+			zone_dochandle_t zhdl = zonecfg_init_handle();
+
+			bzero(&zattrs, sizeof (zattrs));
+			(void) strcpy(zattrs.zone_attr_name, "alias");
+
+			if (zhdl != NULL &&
+			    zonecfg_get_handle(g_zonename, zhdl) == Z_OK &&
+			    zonecfg_lookup_attr(zhdl, &zattrs) == Z_OK &&
+			    zonecfg_get_attr_string(&zattrs, g_aliasbuf,
+			    sizeof (g_aliasbuf)) == Z_OK &&
+			    sasl_decode64(g_aliasbuf, strlen(g_aliasbuf),
+			    g_aliasdec, sizeof (g_aliasdec), &len) == SASL_OK) {
+				g_aliasdec[len] = '\0';
+				g_zonealias = g_aliasdec;
+			} else {
+				g_zonealias = NULL;
+			}
+			zonecfg_fini_handle(zhdl);
+		}
 	}
 
 	if (scf_handle_bind(h) == -1) {
 		if (g_zonename != NULL) {
-			uu_warn(gettext("Could not bind to repository "
+			if (show_zones)
+				goto nextzone;
+
+			uu_die(gettext("Could not bind to repository "
 			    "server for zone %s: %s\n"), g_zonename,
 			    scf_strerror(scf_error()));
-
-			if (!show_zones)
-				return (UU_EXIT_FATAL);
-
-			goto nextzone;
 		}
 
 		uu_die(gettext("Could not bind to repository server: %s.  "
@@ -3755,7 +3823,7 @@ again:
 
 	if (opt_mode == 'L') {
 		if ((err = scf_walk_fmri(h, argc, argv, SCF_WALK_MULTIPLE,
-		    print_log, NULL, &exit_status, uu_warn)) != 0) {
+		    print_log, NULL, errarg, errfunc)) != 0) {
 			uu_warn(gettext("failed to iterate over "
 			    "instances: %s\n"), scf_strerror(err));
 			exit_status = UU_EXIT_FATAL;
diff --git a/usr/src/cmd/svr4pkg/pkgadd/Makefile b/usr/src/cmd/svr4pkg/pkgadd/Makefile
index 66e6abb737..b1b4168a7c 100644
--- a/usr/src/cmd/svr4pkg/pkgadd/Makefile
+++ b/usr/src/cmd/svr4pkg/pkgadd/Makefile
@@ -35,7 +35,7 @@ ROOTLINKS=   $(ROOTUSRSBIN)/pkgask
 include $(SRC)/cmd/svr4pkg/Makefile.svr4pkg
 
 LDLIBS	+=	-lpkg -linstzones -ladm
-LDLIBS	+=	-lcrypto -lwanboot
+LDLIBS	+=	-lsunw_crypto -lwanboot
 
 .KEEP_STATE:
 
diff --git a/usr/src/cmd/svr4pkg/pkgadm/Makefile b/usr/src/cmd/svr4pkg/pkgadm/Makefile
index 620e32cf0d..c4970c3b91 100644
--- a/usr/src/cmd/svr4pkg/pkgadm/Makefile
+++ b/usr/src/cmd/svr4pkg/pkgadm/Makefile
@@ -35,7 +35,7 @@ OBJS=           addcert.o	\
 
 include $(SRC)/cmd/svr4pkg/Makefile.svr4pkg
 
-LDLIBS	+=	-lpkg -ladm -lcrypto -lgen
+LDLIBS	+=	-lpkg -ladm -lsunw_crypto -lgen
 
 .KEEP_STATE:
 all:            $(PROG)
diff --git a/usr/src/cmd/tail/Makefile b/usr/src/cmd/tail/Makefile
index 293920cfd1..e660cedf2d 100644
--- a/usr/src/cmd/tail/Makefile
+++ b/usr/src/cmd/tail/Makefile
@@ -21,6 +21,7 @@ OBJS=		forward.o misc.o read.o reverse.o tail.o
 SRCS=	 	$(OBJS:%.o=%.c)
 
 include ../Makefile.cmd
+include ../Makefile.ctf
 
 CLOBBERFILES=	$(PROG)
 CPPFLAGS +=        -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64
@@ -43,6 +44,10 @@ $(PROG):	$(OBJS)
 	$(LINK.c) $(OBJS) -o $@ $(LDLIBS)
 	$(POST_PROCESS)
 
+%.o: %.c
+	$(COMPILE.c) $<
+	$(POST_PROCESS_O)
+
 install: all .WAIT $(ROOTPROG) $(ROOTXPG4PROG)
 
 $(ROOTXPG4PROG):
diff --git a/usr/src/cmd/tar/Makefile b/usr/src/cmd/tar/Makefile
index 5da69ec0f9..93a02e58e0 100644
--- a/usr/src/cmd/tar/Makefile
+++ b/usr/src/cmd/tar/Makefile
@@ -37,8 +37,6 @@ LINTFLAGS += -u
 LDLIBS += -lsec -lcmdutils -lnvpair -ltsol
 
 CFLAGS += $(CCVERBOSE)
-CERRWARN += -_gcc=-Wno-unused-variable
-CERRWARN += -_gcc=-Wno-parentheses
 CERRWARN += -_gcc=-Wno-uninitialized
 
 CPPFLAGS += -DEUC
diff --git a/usr/src/cmd/tar/tar.c b/usr/src/cmd/tar/tar.c
index 9e2aef3bee..7b48e927e1 100644
--- a/usr/src/cmd/tar/tar.c
+++ b/usr/src/cmd/tar/tar.c
@@ -565,7 +565,7 @@ static	char	*myname;
 static	char	*xtract_chdir = NULL;
 static	int	checkflag = 0;
 static	int	Xflag, Fflag, iflag, hflag, Bflag, Iflag;
-static	int	rflag, xflag, vflag, tflag, mt, svmt, cflag, mflag, pflag;
+static	int	rflag, xflag, vflag, tflag, mt, cflag, mflag, pflag;
 static	int	uflag;
 static	int	errflag;
 static	int	oflag;
@@ -643,6 +643,8 @@ static	int	charset_type = 0;
 
 static	u_longlong_t	xhdr_flgs;	/* Bits set determine which items */
 					/*   need to be in extended header. */
+static	pid_t	comp_pid = 0;
+
 #define	_X_DEVMAJOR	0x1
 #define	_X_DEVMINOR	0x2
 #define	_X_GID		0x4
@@ -725,8 +727,6 @@ main(int argc, char *argv[])
 	char		*cp;
 	char		*tmpdirp;
 	pid_t		thispid;
-	pid_t		pid;
-	int		wstat;
 
 	(void) setlocale(LC_ALL, "");
 #if !defined(TEXT_DOMAIN)	/* Should be defined by cc -D */
@@ -1114,10 +1114,8 @@ main(int argc, char *argv[])
 		if (Aflag && vflag)
 			(void) printf(
 			gettext("Suppressing absolute pathnames\n"));
-		if (cflag && compress_opt != NULL) {
-			pid = compress_file();
-			wait_pid(pid);
-		}
+		if (cflag && compress_opt != NULL)
+			comp_pid = compress_file();
 		dorep(argv);
 		if (rflag && !cflag && (compress_opt != NULL))
 			compress_back();
@@ -1168,10 +1166,8 @@ main(int argc, char *argv[])
 
 		if (strcmp(usefile, "-") != 0) {
 			check_compression();
-			if (compress_opt != NULL) {
-				pid = uncompress_file();
-				wait_pid(pid);
-			}
+			if (compress_opt != NULL)
+				comp_pid = uncompress_file();
 		}
 		if (xflag) {
 			if (xtract_chdir != NULL) {
@@ -4876,6 +4872,13 @@ done(int n)
 			exit(2);
 		}
 	}
+	/*
+	 * If we have a compression child, we should have a child process that
+	 * we're waiting for to finish compressing or uncompressing the tar
+	 * stream.
+	 */
+	if (n == 0 && comp_pid != 0)
+		wait_pid(comp_pid);
 	exit(n);
 }
 
@@ -6109,7 +6112,6 @@ check_prefix(char **namep, char **dirp, char **compp)
 	if ((tflag || xflag) && !Pflag) {
 		if (is_absolute(fullname) || has_dot_dot(fullname)) {
 			char *stripped_prefix;
-			size_t prefix_len = 0;
 
 			(void) strcpy(savename, fullname);
 			strcpy(fullname,
@@ -7891,7 +7893,7 @@ xattrs_put(char *longname, char *shortname, char *parent, char *attrparent)
 		return;
 	}
 
-	while (dp = readdir(dirp)) {
+	while ((dp = readdir(dirp)) != NULL) {
 		if (strcmp(dp->d_name, "..") == 0) {
 			continue;
 		} else if (strcmp(dp->d_name, ".") == 0) {
@@ -9191,9 +9193,6 @@ static void
 compress_back()
 {
 	pid_t	pid;
-	int status;
-	int wret;
-	struct	stat statb;
 
 	if (vflag) {
 		(void) fprintf(vfile,
@@ -9299,9 +9298,6 @@ void
 decompress_file(void)
 {
 	pid_t 	pid;
-	int	status;
-	char	cmdstr[PATH_MAX];
-	char	fname[PATH_MAX];
 	char	*added_suffix;
 
 
@@ -9344,7 +9340,7 @@ compress_file(void)
 	if (pipe(fd) < 0) {
 		vperror(1, gettext("Could not create pipe"));
 	}
-	if (pid = fork() > 0) {
+	if ((pid = fork()) > 0) {
 		mt = fd[1];
 		(void) close(fd[0]);
 		return (pid);
@@ -9373,7 +9369,7 @@ uncompress_file(void)
 	if (pipe(fd) < 0) {
 		vperror(1, gettext("Could not create pipe"));
 	}
-	if (pid = fork() > 0) {
+	if ((pid = fork()) > 0) {
 		mt = fd[0];
 		(void) close(fd[1]);
 		return (pid);
diff --git a/usr/src/cmd/truss/codes.c b/usr/src/cmd/truss/codes.c
index 069268dc05..303b652b91 100644
--- a/usr/src/cmd/truss/codes.c
+++ b/usr/src/cmd/truss/codes.c
@@ -23,7 +23,7 @@
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2013 by Delphix. All rights reserved.
  * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
- * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
  * Copyright (c) 2014, OmniTI Computer Consulting, Inc. All rights reserved.
  */
 
@@ -108,7 +108,7 @@
 #include "proto.h"
 
 #define	FCNTLMIN	F_DUPFD
-#define	FCNTLMAX	F_BADFD
+#define	FCNTLMAX	F_FLOCKW
 const char *const FCNTLname[] = {
 	"F_DUPFD",
 	"F_GETFD",
@@ -156,7 +156,15 @@ const char *const FCNTLname[] = {
 	"F_SHARE_NBMAND",
 	"F_SETLK64_NBMAND",
 	NULL,		/* 45 */
-	"F_BADFD"
+	"F_BADFD",
+	"F_OFD_GETLK",
+	"F_OFD_SETLK",
+	"F_OFD_SETLKW",
+	NULL,		/* 50 */
+	NULL,		/* 51 */
+	NULL,		/* 52 */
+	"F_FLOCK",
+	"F_FLOCKW"
 };
 
 #define	SYSFSMIN	GETFSIND
@@ -703,6 +711,8 @@ const struct ioc {
 	/* /dev/poll ioctl() control codes */
 	{ (uint_t)DP_POLL,	"DP_POLL",	NULL },
 	{ (uint_t)DP_ISPOLLED,	"DP_ISPOLLED",	NULL },
+	{ (uint_t)DP_PPOLL,	"DP_PPOLL",	NULL },
+	{ (uint_t)DP_EPOLLCOMPAT, "DP_EPOLLCOMPAT",	NULL },
 	/* the old /proc ioctl() control codes */
 #define	PIOC	('q'<<8)
 	{ (uint_t)(PIOC|1),	"PIOCSTATUS",	NULL },
diff --git a/usr/src/cmd/truss/expound.c b/usr/src/cmd/truss/expound.c
index 915ec4626b..6bfa2fd86f 100644
--- a/usr/src/cmd/truss/expound.c
+++ b/usr/src/cmd/truss/expound.c
@@ -23,6 +23,7 @@
  * Copyright 2012 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -1872,6 +1873,11 @@ show_fcntl(private_t *pri)
 	case F_FREESP:
 	case F_ALLOCSP:
 	case F_SETLK_NBMAND:
+	case F_OFD_GETLK:
+	case F_OFD_SETLK:
+	case F_OFD_SETLKW:
+	case F_FLOCK:
+	case F_FLOCKW:
 		if (data_model == PR_MODEL_LP64)
 			show_flock64(pri, offset);
 		else
@@ -1883,6 +1889,11 @@ show_fcntl(private_t *pri)
 	case 27:	/* F_FREESP64 */
 	case 28:	/* F_ALLOCSP64 */
 	case 44:	/* F_SETLK64_NBMAND */
+	case 50:	/* F_OFD_GETLK64 */
+	case 51:	/* F_OFD_SETLK64 */
+	case 52:	/* F_OFD_SETLKW64 */
+	case 55:	/* F_FLOCK64 */
+	case 56:	/* F_FLOCKW64 */
 		show_flock64(pri, offset);
 		break;
 #else	/* _LP64 */
@@ -1900,6 +1911,11 @@ show_fcntl(private_t *pri)
 	case F_FREESP64:
 	case F_ALLOCSP64:
 	case F_SETLK64_NBMAND:
+	case F_OFD_GETLK64:
+	case F_OFD_SETLK64:
+	case F_OFD_SETLKW64:
+	case F_FLOCK64:
+	case F_FLOCKW64:
 		show_flock64(pri, offset);
 		break;
 #endif	/* _LP64 */
diff --git a/usr/src/cmd/truss/print.c b/usr/src/cmd/truss/print.c
index 28e24117d4..66a9d7387e 100644
--- a/usr/src/cmd/truss/print.c
+++ b/usr/src/cmd/truss/print.c
@@ -845,6 +845,7 @@ prt_mad(private_t *pri, int raw, long val)	/* print madvise() argument */
 		case MADV_ACCESS_DEFAULT: s = "MADV_ACCESS_DEFAULT";	break;
 		case MADV_ACCESS_LWP:	s = "MADV_ACCESS_LWP";	break;
 		case MADV_ACCESS_MANY:	s = "MADV_ACCESS_MANY";	break;
+		case MADV_PURGE:	s = "MADV_PURGE";	break;
 		}
 	}
 
@@ -872,7 +873,9 @@ prt_mc4(private_t *pri, int raw, long val) /* print memcntl() (4th) argument */
 			return;
 
 		case MC_SYNC:
-			if ((val & ~(MS_SYNC|MS_ASYNC|MS_INVALIDATE)) == 0) {
+			if ((val &
+			    ~(MS_SYNC|MS_ASYNC|MS_INVALIDATE|MS_INVALCURPROC))
+			    == 0) {
 				*(s = pri->code_buf) = '\0';
 				if (val & MS_SYNC)
 					(void) strlcat(s, "|MS_SYNC", CBSIZE);
@@ -881,6 +884,9 @@ prt_mc4(private_t *pri, int raw, long val) /* print memcntl() (4th) argument */
 				if (val & MS_INVALIDATE)
 					(void) strlcat(s, "|MS_INVALIDATE",
 					    CBSIZE);
+				if (val & MS_INVALCURPROC)
+					(void) strlcat(s, "|MS_INVALCURPROC",
+					    CBSIZE);
 			}
 			break;
 
@@ -1994,6 +2000,7 @@ udp_optname(private_t *pri, long val)
 	case UDP_EXCLBIND:		return ("UDP_EXCLBIND");
 	case UDP_RCVHDR:		return ("UDP_RCVHDR");
 	case UDP_NAT_T_ENDPOINT:	return ("UDP_NAT_T_ENDPOINT");
+	case UDP_SRCPORT_HASH:		return ("UDP_SRCPORT_HASH");
 
 	default:			(void) snprintf(pri->code_buf,
 					    sizeof (pri->code_buf), "0x%lx",
@@ -2442,7 +2449,10 @@ prt_zga(private_t *pri, int raw, long val)
 		case ZONE_ATTR_BOOTARGS:	s = "ZONE_ATTR_BOOTARGS"; break;
 		case ZONE_ATTR_BRAND:	s = "ZONE_ATTR_BRAND"; break;
 		case ZONE_ATTR_FLAGS:	s = "ZONE_ATTR_FLAGS"; break;
-		case ZONE_ATTR_PHYS_MCAP: s = "ZONE_ATTR_PHYS_MCAP"; break;
+		case ZONE_ATTR_DID:	s = "ZONE_ATTR_DID"; break;
+		case ZONE_ATTR_PMCAP_NOVER: s = "ZONE_ATTR_PMCAP_NOVER"; break;
+		case ZONE_ATTR_PMCAP_PAGEOUT: s = "ZONE_ATTR_PMCAP_PAGEOUT";
+					break;
 		}
 	}
 
diff --git a/usr/src/cmd/truss/systable.c b/usr/src/cmd/truss/systable.c
index febd7d71f5..8c736a7044 100644
--- a/usr/src/cmd/truss/systable.c
+++ b/usr/src/cmd/truss/systable.c
@@ -29,6 +29,9 @@
 
 /* Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved. */
 
+/*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
 #include <stdio.h>
 #include <stdlib.h>
 #include <fcntl.h>
@@ -1716,9 +1719,10 @@ const char * const afcodes[] = {
 	"POLICY",	/* 29 */
 	"RDS",		/* 30 */
 	"TRILL",	/* 31 */
-	"PACKET"	/* 32 */
+	"PACKET",	/* 32 */
+	"LX_NETLINK"	/* 33 */
 };
-#if MAX_AFCODES != 33
+#if MAX_AFCODES != 34
 #error Need to update address-family table
 #endif
 
diff --git a/usr/src/cmd/varpd/Makefile b/usr/src/cmd/varpd/Makefile
new file mode 100644
index 0000000000..cff0f49f9d
--- /dev/null
+++ b/usr/src/cmd/varpd/Makefile
@@ -0,0 +1,74 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+PROG= varpd
+OBJS = varpd.o
+SRCS = $(OBJS:%.o=../%.c)
+SVCMETHOD = svc-varpd
+MANIFEST = varpd.xml
+ROOTLIBVARPD = $(ROOTLIB)/varpd
+ROOTLIBVARPDPROG=	$(PROG:%=$(ROOTLIBVARPD)/%)
+
+
+include ../Makefile.cmd
+include ../Makefile.ctf
+
+ROOTMANIFESTDIR=	$(ROOTSVCNETWORK)
+
+CLEANFILES += $(OBJS)
+CPPFLAGS += -D_REENTRANT
+CFLAGS += $(CCVERBOSE)
+LDLIBS += -lvarpd -lumem
+$(NOT_RELEASE_BUILD)CPPFLAGS += -DDEBUG
+
+#
+# Our debug only umem related functions cause lint to get confused.
+#
+LINTFLAGS += -erroff=E_NAME_DEF_NOT_USED2
+
+C99MODE=	-xc99=%all
+C99LMODE=	-Xc99=%all
+
+.KEEP_STATE:
+
+$(PROG): $(OBJS)
+	$(LINK.c) -o $@ $(OBJS) $(LDLIBS)
+	$(POST_PROCESS)
+
+clean:
+	-$(RM) $(CLEANFILES)
+
+lint: lint_PROG
+
+%.o: ../%.c
+	$(COMPILE.c) $<
+	$(POST_PROCESS_O)
+
+check: $(CHKMANIFEST)
+
+clobber: clean
+	$(RM) $(PROG)
+
+install: $(PROG) $(ROOTLIBVARPDPROG) $(ROOTMANIFEST) $(ROOTSVCMETHOD)
+
+$(ROOTLIBVARPD):
+	$(INS.dir)
+
+$(ROOTLIBVARPD)/%: % $(ROOTLIBVARPD)
+	$(INS.file)
+
+FRC:
+
+include ../Makefile.targ
diff --git a/usr/src/cmd/varpd/svc-varpd b/usr/src/cmd/varpd/svc-varpd
new file mode 100644
index 0000000000..ace611c8de
--- /dev/null
+++ b/usr/src/cmd/varpd/svc-varpd
@@ -0,0 +1,35 @@
+#!/usr/bin/sh
+#
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+. /lib/svc/share/smf_include.sh
+
+#
+# For the time being, we're going to manually make sure that the
+# overlay driver is loaded. We probably shouldn't do that in the long
+# run, but it helps for bootstrapping
+#
+add_drv overlay 2>/dev/null
+
+#
+# This should be a service property.
+#
+/usr/lib/varpd/varpd -i /usr/lib/varpd
+if [ $? = 0 ]; then
+	exit $SMF_EXIT_OK
+else
+	exit $SMF_EXIT_ERR_FATAL
+fi
diff --git a/usr/src/cmd/varpd/varpd.c b/usr/src/cmd/varpd/varpd.c
new file mode 100644
index 0000000000..fd1dfaa5c8
--- /dev/null
+++ b/usr/src/cmd/varpd/varpd.c
@@ -0,0 +1,481 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.
+ */
+
+/*
+ * virtual arp daemon -- varpd
+ *
+ * The virtual arp daemon is the user land counterpart to the overlay driver. To
+ * truly understand its purpose and how it fits into things, you should read the
+ * overlay big theory statement in uts/common/io/overlay/overlay.c.
+ *
+ * varod's purpose it to provide a means for looking up the destination on the
+ * underlay network for a host on an overlay network and to also be a door
+ * server such that dladm(1M) via libdladm can configure and get useful status
+ * information. The heavy lifting is all done by libvarpd and the various lookup
+ * plugins.
+ *
+ * When varpd first starts up, we take of chdiring into /var/run/varpd, which is
+ * also where we create /var/run/varpd.door, our door server. After that we
+ * daemonize and only after we daemonize do we go ahead and load plugins. The
+ * reason that we don't load plugins before daemonizing is that they could very
+ * well be creating threads and thus lose them all. In general, we want to make
+ * things easier on our children and not require them to be fork safe.
+ *
+ * Once it's spun up, the main varpd thread sits in sigsuspend and really just
+ * hangs out waiting for something, libvarpd handles everything else.
+ */
+
+#include <libvarpd.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <libgen.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <paths.h>
+#include <limits.h>
+#include <sys/corectl.h>
+#include <signal.h>
+#include <strings.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <thread.h>
+#include <priv.h>
+
+#define	VARPD_EXIT_REQUESTED	0
+#define	VARPD_EXIT_FATAL	1
+#define	VARPD_EXIT_USAGE	2
+
+#define	VARPD_RUNDIR	"/var/run/varpd"
+#define	VARPD_DEFAULT_DOOR	"/var/run/varpd/varpd.door"
+
+static varpd_handle_t *varpd_handle;
+static const char *varpd_pname;
+static volatile boolean_t varpd_exit = B_FALSE;
+
+/*
+ * Debug builds are automatically wired up for umem debugging.
+ */
+#ifdef	DEBUG
+const char *
+_umem_debug_init()
+{
+	return ("default,verbose");
+}
+
+const char *
+_umem_logging_init(void)
+{
+	return ("fail,contents");
+}
+#endif	/* DEBUG */
+
+static void
+varpd_vwarn(FILE *out, const char *fmt, va_list ap)
+{
+	int error = errno;
+
+	(void) fprintf(out, "%s: ", varpd_pname);
+	(void) vfprintf(out, fmt, ap);
+
+	if (fmt[strlen(fmt) - 1] != '\n')
+		(void) fprintf(out, ": %s\n", strerror(error));
+}
+
+static void
+varpd_fatal(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	varpd_vwarn(stderr, fmt, ap);
+	va_end(ap);
+
+	exit(VARPD_EXIT_FATAL);
+}
+
+static void
+varpd_dfatal(int dfd, const char *fmt, ...)
+{
+	int status = VARPD_EXIT_FATAL;
+	va_list ap;
+
+	va_start(ap, fmt);
+	varpd_vwarn(stdout, fmt, ap);
+	va_end(ap);
+
+	/* Take a single shot at this */
+	(void) write(dfd, &status, sizeof (status));
+	exit(status);
+}
+
+/* ARGSUSED */
+static int
+varpd_plugin_walk_cb(varpd_handle_t *vph, const char *name, void *unused)
+{
+	(void) printf("loaded %s!\n", name);
+	return (0);
+}
+
+static int
+varpd_dir_setup(void)
+{
+	int fd;
+
+	if (mkdir(VARPD_RUNDIR, 0700) != 0) {
+		if (errno != EEXIST)
+			varpd_fatal("failed to create %s: %s", VARPD_RUNDIR,
+			    strerror(errno));
+	}
+
+	fd = open(VARPD_RUNDIR, O_RDONLY);
+	if (fd < 0)
+		varpd_fatal("failed to open %s: %s", VARPD_RUNDIR,
+		    strerror(errno));
+
+	if (fchown(fd, UID_NETADM, GID_NETADM) != 0)
+		varpd_fatal("failed to chown %s: %s\n", VARPD_RUNDIR,
+		    strerror(errno));
+
+	return (fd);
+}
+
+/*
+ * Because varpd is generally run under SMF, we opt to keep its stdout and
+ * stderr to be whatever our parent set them up to be.
+ */
+static void
+varpd_fd_setup(void)
+{
+	int dupfd;
+
+	closefrom(STDERR_FILENO + 1);
+	dupfd = open(_PATH_DEVNULL, O_RDONLY);
+	if (dupfd < 0)
+		varpd_fatal("failed to open %s: %s", _PATH_DEVNULL,
+		    strerror(errno));
+	if (dup2(dupfd, STDIN_FILENO) == -1)
+		varpd_fatal("failed to dup out stdin: %s", strerror(errno));
+}
+
+/*
+ * We borrow fmd's daemonization style. Basically, the parent waits for the
+ * child to successfully set up a door and recover all of the old configurations
+ * before we say that we're good to go.
+ */
+static int
+varpd_daemonize(int dirfd)
+{
+	char path[PATH_MAX];
+	struct rlimit rlim;
+	sigset_t set, oset;
+	int estatus, pfds[2];
+	pid_t child;
+	priv_set_t *pset;
+
+	/*
+	 * Set a per-process core path to be inside of /var/run/varpd. Make sure
+	 * that we aren't limited in our dump size.
+	 */
+	(void) snprintf(path, sizeof (path),
+	    "/var/run/varpd/core.%s.%%p", varpd_pname);
+	(void) core_set_process_path(path, strlen(path) + 1, getpid());
+
+	rlim.rlim_cur = RLIM_INFINITY;
+	rlim.rlim_max = RLIM_INFINITY;
+	(void) setrlimit(RLIMIT_CORE, &rlim);
+
+	/*
+	 * Claim as many file descriptors as the system will let us.
+	 */
+	if (getrlimit(RLIMIT_NOFILE, &rlim) == 0) {
+		rlim.rlim_cur = rlim.rlim_max;
+		(void) setrlimit(RLIMIT_NOFILE, &rlim);
+	}
+
+	/*
+	 * chdir /var/run/varpd
+	 */
+	if (fchdir(dirfd) != 0)
+		varpd_fatal("failed to chdir to %s", VARPD_RUNDIR);
+
+
+	/*
+	 * At this point block all signals going in so we don't have the parent
+	 * mistakingly exit when the child is running, but never block SIGABRT.
+	 */
+	if (sigfillset(&set) != 0)
+		abort();
+	if (sigdelset(&set, SIGABRT) != 0)
+		abort();
+	if (sigprocmask(SIG_BLOCK, &set, &oset) != 0)
+		abort();
+
+	/*
+	 * Do the fork+setsid dance.
+	 */
+	if (pipe(pfds) != 0)
+		varpd_fatal("failed to create pipe for daemonizing");
+
+	if ((child = fork()) == -1)
+		varpd_fatal("failed to fork for daemonizing");
+
+	if (child != 0) {
+		/* We'll be exiting shortly, so allow for silent failure */
+		(void) close(pfds[1]);
+		if (read(pfds[0], &estatus, sizeof (estatus)) ==
+		    sizeof (estatus))
+			_exit(estatus);
+
+		if (waitpid(child, &estatus, 0) == child && WIFEXITED(estatus))
+			_exit(WEXITSTATUS(estatus));
+
+		_exit(VARPD_EXIT_FATAL);
+	}
+
+	/*
+	 * Drop privileges here.
+	 *
+	 * We should make sure we keep around PRIV_NET_PRIVADDR and
+	 * PRIV_SYS_DLCONFIG, but drop everything else; however, keep basic
+	 * privs and have our child drop them.
+	 *
+	 * We should also run as netadm:netadm and drop all of our groups.
+	 */
+	if (setgroups(0, NULL) != 0)
+		abort();
+	if (setgid(GID_NETADM) == -1 || seteuid(UID_NETADM) == -1)
+		abort();
+	if ((pset = priv_allocset()) == NULL)
+		abort();
+	priv_basicset(pset);
+	if (priv_delset(pset, PRIV_PROC_EXEC) == -1 ||
+	    priv_delset(pset, PRIV_PROC_INFO) == -1 ||
+	    priv_delset(pset, PRIV_PROC_FORK) == -1 ||
+	    priv_delset(pset, PRIV_PROC_SESSION) == -1 ||
+	    priv_delset(pset, PRIV_FILE_LINK_ANY) == -1 ||
+	    priv_addset(pset, PRIV_SYS_DL_CONFIG) == -1 ||
+	    priv_addset(pset, PRIV_NET_PRIVADDR) == -1) {
+		abort();
+	}
+	/*
+	 * Remove privs from the permitted set. That will cause them to be
+	 * removed from the effective set. We want to make sure that in the case
+	 * of a vulnerability, something can't get back in here and wreak more
+	 * havoc. But if we want non-basic privs in the effective set, we have
+	 * to request them explicitly.
+	 */
+	if (setppriv(PRIV_SET, PRIV_PERMITTED, pset) == -1)
+		abort();
+	if (setppriv(PRIV_SET, PRIV_EFFECTIVE, pset) == -1)
+		abort();
+
+	priv_freeset(pset);
+
+	if (close(pfds[0]) != 0)
+		abort();
+	if (setsid() == -1)
+		abort();
+	if (sigprocmask(SIG_SETMASK, &oset, NULL) != 0)
+		abort();
+	(void) umask(0022);
+
+	return (pfds[1]);
+}
+
+static int
+varpd_setup_lookup_threads(void)
+{
+	int ret;
+	long i, ncpus = sysconf(_SC_NPROCESSORS_ONLN) * 2 + 1;
+
+	if (ncpus <= 0)
+		abort();
+	for (i = 0; i < ncpus; i++) {
+		thread_t thr;
+
+		ret = thr_create(NULL, 0,
+		    (void *(*)(void *))libvarpd_overlay_lookup_run,
+		    varpd_handle, THR_DETACHED | THR_DAEMON, &thr);
+		if (ret != 0)
+			return (ret);
+	}
+
+	return (0);
+}
+
+static void
+varpd_cleanup(void)
+{
+	varpd_exit = B_TRUE;
+}
+
+/*
+ * There are a bunch of things we need to do to be a proper daemon here.
+ *
+ *   o Ensure that /var/run/varpd exists or create it
+ *   o make stdin /dev/null (stdout?)
+ *   o Ensure any other fds that we somehow inherited are closed, eg.
+ *     closefrom()
+ *   o Properly daemonize
+ *   o Mask all signals except sigabrt before creating our first door -- all
+ *     other doors will inherit from that.
+ *   o Have the main thread sigsuspend looking for most things that are
+ *     actionable...
+ */
+int
+main(int argc, char *argv[])
+{
+	int err, c, dirfd, dfd, i;
+	const char *doorpath = VARPD_DEFAULT_DOOR;
+	sigset_t set;
+	struct sigaction act;
+	int nincpath = 0, nextincpath = 0;
+	char **incpath = NULL;
+
+	varpd_pname = basename(argv[0]);
+
+	/*
+	 * We want to clean up our file descriptors before we do anything else
+	 * as we can't assume that libvarpd won't open file descriptors, etc.
+	 */
+	varpd_fd_setup();
+
+	if ((err = libvarpd_create(&varpd_handle)) != 0) {
+		varpd_fatal("failed to open a libvarpd handle");
+		return (1);
+	}
+
+	while ((c = getopt(argc, argv, ":i:d:")) != -1) {
+		switch (c) {
+		case 'i':
+			if (nextincpath == nincpath) {
+				if (nincpath == 0)
+					nincpath = 16;
+				else
+					nincpath *= 2;
+				incpath = realloc(incpath, sizeof (char *) *
+				    nincpath);
+				if (incpath == NULL) {
+					(void) fprintf(stderr, "failed to "
+					    "allocate memory for the %dth "
+					    "-I option: %s\n", nextincpath + 1,
+					    strerror(errno));
+				}
+
+			}
+			incpath[nextincpath] = optarg;
+			nextincpath++;
+			break;
+		case 'd':
+			doorpath = optarg;
+			break;
+		default:
+			(void) fprintf(stderr, "unknown option: %c\n", c);
+			return (1);
+		}
+	}
+
+	dirfd = varpd_dir_setup();
+
+	(void) libvarpd_plugin_walk(varpd_handle, varpd_plugin_walk_cb, NULL);
+
+	dfd = varpd_daemonize(dirfd);
+
+	/*
+	 * Now that we're in the child, go ahead and load all of our plug-ins.
+	 * We do this, in part, because these plug-ins may need threads of their
+	 * own and fork won't preserve those and we'd rather the plug-ins don't
+	 * have to learn about fork-handlers.
+	 */
+	for (i = 0; i < nextincpath; i++) {
+		err = libvarpd_plugin_load(varpd_handle, incpath[i]);
+		if (err != 0) {
+			(void) fprintf(stderr, "failed to load from %s: %s\n",
+			    optarg, strerror(err));
+			return (1);
+		}
+	}
+
+	if ((err = libvarpd_persist_enable(varpd_handle, VARPD_RUNDIR)) != 0)
+		varpd_dfatal(dfd, "failed to enable varpd persistence: %s\n",
+		    strerror(err));
+
+	if ((err = libvarpd_persist_restore(varpd_handle)) != 0)
+		varpd_dfatal(dfd, "failed to enable varpd persistence: %s\n",
+		    strerror(err));
+
+	/*
+	 * The ur-door thread will inherit from this signal mask. So set it to
+	 * what we want before doing anything else. In addition, so will our
+	 * threads that handle varpd lookups.
+	 */
+	if (sigfillset(&set) != 0)
+		varpd_dfatal(dfd, "failed to fill a signal set...");
+
+	if (sigdelset(&set, SIGABRT) != 0)
+		varpd_dfatal(dfd, "failed to unmask SIGABRT");
+
+	if (sigprocmask(SIG_BLOCK, &set, NULL) != 0)
+		varpd_dfatal(dfd, "failed to set our door signal mask");
+
+	if ((err = varpd_setup_lookup_threads()) != 0)
+		varpd_dfatal(dfd, "failed to create lookup threads: %s\n",
+		    strerror(err));
+
+	if ((err = libvarpd_door_server_create(varpd_handle, doorpath)) != 0)
+		varpd_dfatal(dfd, "failed to create door server at %s: %s\n",
+		    doorpath, strerror(err));
+
+	/*
+	 * At this point, finish up signal intialization and finally go ahead,
+	 * notify the parent that we're okay, and enter the sigsuspend loop.
+	 */
+	bzero(&act, sizeof (struct sigaction));
+	act.sa_handler = varpd_cleanup;
+	if (sigfillset(&act.sa_mask) != 0)
+		varpd_dfatal(dfd, "failed to fill sigaction mask");
+	act.sa_flags = 0;
+	if (sigaction(SIGHUP, &act, NULL) != 0)
+		varpd_dfatal(dfd, "failed to register HUP handler");
+	if (sigaction(SIGQUIT, &act, NULL) != 0)
+		varpd_dfatal(dfd, "failed to register QUIT handler");
+	if (sigaction(SIGINT, &act, NULL) != 0)
+		varpd_dfatal(dfd, "failed to register INT handler");
+	if (sigaction(SIGTERM, &act, NULL) != 0)
+		varpd_dfatal(dfd, "failed to register TERM handler");
+
+	err = 0;
+	(void) write(dfd, &err, sizeof (err));
+	(void) close(dfd);
+
+	for (;;) {
+		if (sigsuspend(&set) == -1)
+			if (errno == EFAULT)
+				abort();
+		if (varpd_exit == B_TRUE)
+			break;
+	}
+
+	libvarpd_door_server_destroy(varpd_handle);
+	libvarpd_destroy(varpd_handle);
+
+	return (VARPD_EXIT_REQUESTED);
+}
diff --git a/usr/src/cmd/varpd/varpd.xml b/usr/src/cmd/varpd/varpd.xml
new file mode 100644
index 0000000000..7b01ab7253
--- /dev/null
+++ b/usr/src/cmd/varpd/varpd.xml
@@ -0,0 +1,52 @@
+<?xml version="1.0"?>
+<!DOCTYPE service_bundle SYSTEM "/usr/share/lib/xml/dtd/service_bundle.dtd.1">
+<!--
+This file and its contents are supplied under the terms of the
+Common Development and Distribution License ("CDDL"), version 1.0.
+You may only use this file in accordance with the terms of version
+1.0 of the CDDL.
+
+A full copy of the text of the CDDL should have accompanied this
+source.  A copy of the CDDL is also available via the Internet at
+http://www.illumos.org/license/CDDL.
+
+Copyright 2015, Joyent, Inc.
+-->
+
+<service_bundle type="manifest" name="illumos:varpd" >
+
+	<service name="network/varpd" type="service" version="1" >
+
+		<create_default_instance enabled="true" />
+
+		<single_instance/>
+
+		<dependency name="varpd-network-physical"
+			grouping="require_all"
+			restart_on="none"
+			type="service">
+			<service_fmri value="svc:/network/physical:default" />
+		</dependency>
+
+		<exec_method
+			type="method"
+			name="start"
+			exec="/lib/svc/method/svc-varpd"
+			timeout_seconds="60" />
+
+		<exec_method
+			type="method"
+			name="stop"
+			exec=":kill"
+			timeout_seconds="10" />
+
+		<stability value='Unstable' />
+
+		<template>
+			<common_name>
+				<loctext xml:lang="C">virutal ARP daemon
+				</loctext>
+			</common_name>
+		</template>
+	</service>
+</service_bundle>
diff --git a/usr/src/cmd/vi/port/Makefile b/usr/src/cmd/vi/port/Makefile
index 268dd752a6..8e223d98e8 100644
--- a/usr/src/cmd/vi/port/Makefile
+++ b/usr/src/cmd/vi/port/Makefile
@@ -75,6 +75,9 @@ $(XPG6) := CFLAGS += -DXPG4 -DXPG6 -I$(SRC)/lib/libc/inc
 
 CPPFLAGS +=  -DUSG -DSTDIO -DVMUNIX -DTABS=8 -DSINGLE -DTAG_STACK
 
+# vi intentionally uses foo[-1] as a sentinal value to q*column()
+$(__GNUC4)CERRWARN += -_gcc=-Wno-array-bounds
+
 # vi maintains its own versions of various routines from libc and libcurses,
 # so localize all symbols to avoid name space collisions.
 LDFLAGS +=	$(MAPFILE.NGB:%=-M%)
diff --git a/usr/src/cmd/vi/port/ex_cmdsub.c b/usr/src/cmd/vi/port/ex_cmdsub.c
index 0260d334fe..00bdcefccb 100644
--- a/usr/src/cmd/vi/port/ex_cmdsub.c
+++ b/usr/src/cmd/vi/port/ex_cmdsub.c
@@ -1735,7 +1735,7 @@ char *prompt;
 
 	/* In ex mode, let the system hassle with setting no echo */
 	if (!inopen)
-		return (unsigned char *)getpass(prompt);
+		return (unsigned char *)getpass((const char *)prompt);
 	viprintf("%s", prompt); flush();
 	for (p=pbuf; (c = getkey())!='\n' && c!=EOF && c!='\r';) {
 		if (p < &pbuf[8])
diff --git a/usr/src/cmd/vndadm/Makefile b/usr/src/cmd/vndadm/Makefile
new file mode 100644
index 0000000000..aa9c22d296
--- /dev/null
+++ b/usr/src/cmd/vndadm/Makefile
@@ -0,0 +1,65 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+PROG= vndadm
+OBJS = vndadm.o
+SRCS = $(OBJS:%.o=../%.c)
+
+
+include ../Makefile.cmd
+include ../Makefile.ctf
+
+CLEANFILES += $(OBJS)
+CFLAGS += $(CCVERBOSE)
+LDLIBS += -lvnd
+LINTFLAGS += -xerroff=E_NAME_DEF_NOT_USED2
+C99MODE=	-xc99=%all
+C99LMODE=	-Xc99=%all
+
+all	:= TARGET += all
+clean	:= TARGET += clean
+clobber	:= TARGET += clobber
+install	:= TARGET += install
+lint	:= TARGET += lint
+
+SUBDIRS = test
+
+.KEEP_STATE:
+
+$(PROG): $(OBJS)
+	$(LINK.c) -o $@ $(OBJS) $(LDLIBS)
+	$(POST_PROCESS)
+
+clean: $(SUBDIRS)
+	-$(RM) $(CLEANFILES)
+
+lint: lint_PROG $(SUBDIRS)
+
+%.o: ../%.c
+	$(COMPILE.c) $<
+	$(POST_PROCESS_O)
+
+clobber: clean $(SUBDIRS)
+	$(RM) $(PROG)
+
+install: $(PROG) $(ROOTUSRSBINPROG) $(SUBDIRS)
+
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
+
+include ../Makefile.targ
diff --git a/usr/src/cmd/vndadm/test/Makefile b/usr/src/cmd/vndadm/test/Makefile
new file mode 100644
index 0000000000..12ef2c3a3c
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+SUBDIRS = scripts tst
+
+include Makefile.subdirs
+include Makefile.com
diff --git a/usr/src/cmd/vndadm/test/Makefile.com b/usr/src/cmd/vndadm/test/Makefile.com
new file mode 100644
index 0000000000..cb096952ca
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/Makefile.com
@@ -0,0 +1,43 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include $(SRC)/Makefile.master
+include $(SRC)/cmd/Makefile.cmd
+
+#
+# Force c99 for everything
+#
+C99MODE=	-xc99=%all
+C99LMODE=	-Xc99=%all
+
+#
+# Deal with odd lint bits.
+#
+LINTFLAGS +=	-xerroff=E_NAME_DEF_NOT_USED2
+
+#
+# Install related definitions
+#
+ROOTOPTPKG = 	$(ROOT)/opt/vndtest
+ROOTBIN =	$(ROOTOPTPKG)/bin
+ROOTTST	=	$(ROOTOPTPKG)/tst
+ROOTTSTDIR =	$(ROOTTST)/$(TSTDIR)
+ROOTTSTEXES =	$(EXETESTS:%=$(ROOTTSTDIR)/%)
+ROOTTSTSH =	$(SHTESTS:%=$(ROOTTSTDIR)/%)
+ROOTOUT =	$(OUTFILES:%=$(ROOTTSTDIR)/%)
+ROOTTESTS = 	$(ROOTTSTEXES) $(ROOTTSTSH) $(ROOTOUT)
+FILEMODE =	0555
+LDLIBS =	$(LDLIBS.cmd)
+LINTEXE =	$(EXETESTS:%.exe=%.exe.ln)
diff --git a/usr/src/cmd/vndadm/test/Makefile.subdirs b/usr/src/cmd/vndadm/test/Makefile.subdirs
new file mode 100644
index 0000000000..957448c23b
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/Makefile.subdirs
@@ -0,0 +1,29 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+.KEEP_STATE:
+
+all	:= TARGET += all
+clean	:= TARGET += clean
+clobber	:= TARGET += clobber
+install	:= TARGET += install
+lint	:= TARGET += lint
+
+all clean clobber install lint: $(SUBDIRS)
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
diff --git a/usr/src/cmd/vndadm/test/Makefile.targ b/usr/src/cmd/vndadm/test/Makefile.targ
new file mode 100644
index 0000000000..bcbd3c8f35
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/Makefile.targ
@@ -0,0 +1,59 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+$(ROOTOPTPKG):
+	$(INS.dir)
+
+$(ROOTBIN): $(ROOTOPTPKG)
+	$(INS.dir)
+
+$(ROOTBIN)/%: %.ksh $(ROOTBIN)
+	$(INS.rename)
+
+$(ROOTTST): $(ROOTOPTPKG)
+	$(INS.dir)
+
+$(ROOTTSTDIR): $(ROOTTST)
+	$(INS.dir)
+
+$(ROOTTSTDIR)/%.ksh: %.ksh $(ROOTTSTDIR)
+	$(INS.file)
+
+$(ROOTTSTDIR)/%.out: %.out $(ROOTTSTDIR)
+	$(INS.file)
+
+%.o: %.c
+	$(COMPILE.c) $<
+	$(POST_PROCESS_O)
+
+%.exe: %.o $(SUPOBJS)
+	$(LINK.c) -o $@ $< $(SUPOBJS) $(LDLIBS)
+	$(POST_PROCESS)
+
+$(ROOTTSTDIR)/%.exe: %.exe $(ROOTTSTDIR)
+	$(INS.file)
+
+all: install
+
+%.exe.ln: %.c $(SUPOBJS)
+	$(LINT.c) $< $(LDLIBS)
+
+lint: $(LINTEXE)
+
+clean:
+	-$(RM) *.o $(CLEANFILES)
+
+clobber: clean
+	-$(RM) $(CLOBBERFILES)
diff --git a/usr/src/cmd/vndadm/test/scripts/Makefile b/usr/src/cmd/vndadm/test/scripts/Makefile
new file mode 100644
index 0000000000..d0f58918f9
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/scripts/Makefile
@@ -0,0 +1,28 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.com
+
+SRCS =		vndtest
+SCRIPTS =	$(SRCS:%=$(ROOTBIN)/%)
+
+SCRIPTS :=	FILEMODE = 0555
+CLOBBERFILES =	$(SCRIPTS)
+
+install: $(SCRIPTS)
+
+lint:
+
+include ../Makefile.targ
diff --git a/usr/src/cmd/vndadm/test/scripts/vndtest.ksh b/usr/src/cmd/vndadm/test/scripts/vndtest.ksh
new file mode 100755
index 0000000000..1167a64802
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/scripts/vndtest.ksh
@@ -0,0 +1,300 @@
+#!/bin/ksh
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014, Joyent, Inc.
+#
+
+#
+# vnd test suite driver
+#
+unalias -a
+
+vt_arg0=$(basename $0)
+vt_root="$(dirname $0)/.."
+vt_ksh="/usr/bin/ksh"
+vt_outdir=
+vt_keep=
+vt_all=
+vt_tests=
+vt_stub=
+vt_vnics="vndtest1 vndtest2 vndtest3 vndtest4 vndtest5"
+vt_tnum=0
+vt_tfail=0
+vt_tsuc=0
+
+function usage
+{
+	typeset msg="$*"
+	[[ -z "$msg" ]] || echo "$msg" 2>&1
+	cat <<USAGE >&2
+Usage: $vt_arg0  [ -o dir ] [ -k ] [ -a | test ... ]
+
+	-o dir		Sets 'dir' as the output directory
+	-a		Runs all tests, ignores tests passed in
+	-k		Keep output from all tests, not just failures
+	-m 		mdb binary to test
+USAGE
+	exit 2
+}
+
+function fatal
+{
+	typeset msg="$*"
+	[[ -z "$msg" ]] && msg="failed"
+	echo "$vt_arg0: $msg" >&2
+	exit 1
+}
+
+function setup_outdir
+{
+	vt_outdir="$vt_outdir/$vt_arg0.$$"
+	mkdir -p $vt_outdir || fatal "failed to make output dir $vt_outdir"
+}
+
+function setup_etherstub
+{
+	vt_ether="vndstub$$"
+
+	dladm create-etherstub -t $vt_ether || \
+	    fatal "failed to create etherstub"
+}
+
+function cleanup_vnd
+{
+	typeset over=$1
+	typeset vnddevs vn
+
+	vnddevs=$(vndadm list -p -d: -o datalink,name)
+	[[ $? -eq 0 ]] || fatal "failed to list vnics"
+	for v in $vnddevs; do
+		vn=$(echo $v | awk 'BEGIN{ FS=":"}
+		    { if ($1 == targ) { print $2 } }' targ=$over)
+		[[ -z "$vn" ]] && continue
+		vndadm destroy $vn || fatal "failed to destroy $vn"
+	done
+}
+
+function create_vnics
+{
+	for n in $vt_vnics; do
+		dladm create-vnic -t -l $vt_ether $n || fatal \
+		    "failed to create vnic $n over $vt_ether"
+	done
+}
+
+function cleanup_vnics
+{
+	typeset nics vn
+	
+	nics=$(dladm show-vnic -p -o over,link)
+	[[ $? -eq 0 ]] || fatal "failed to list vnics"
+	for n in $nics; do 
+		vn=$(echo $n | awk 'BEGIN{ FS=":"}
+		    { if ($1 == targ) { print $2 } }' targ=$vt_ether )
+		[[ -z "$vn" ]] && continue
+		cleanup_vnd $vn
+		#
+		# There may or may not be an IP device on our nics...
+		#
+		ifconfig $vn down unplumb 2>/dev/null || /bin/true
+		dladm delete-vnic $vn || fatal "failed to delete vnic $n"
+	done
+
+}
+
+function cleanup_etherstub
+{
+	cleanup_vnics
+	dladm delete-etherstub -t $vt_ether || \
+	    fatal "failed to delete etherstub"
+}
+
+function run_single
+{
+	typeset name=$1
+	typeset expect base ext exe command odir res reason
+	typeset iserr
+
+	[[ -z "$name" ]] && fail "missing test to run"
+	base=${name##*/}
+	ext=${base##*.}
+	expect=${base%%.*}
+	odir="$vt_outdir/current"
+	[[ -z "$ext" ]] && fatal "found test without ext: $name"
+	[[ -z "$expect" ]] && fatal "found test without prefix: $name"
+
+	[[ "$expect" == "create" || "$expect" == "ecreate" ]] && create_vnics
+	if [[ "$expect" == "err" || "$expect" == "ecreate" ]]; then
+		iserr="yup"
+	else
+		iserr=""
+	fi
+
+	case "$ext" in
+	"ksh")
+		command="$vt_ksh ./$base"
+		;;
+	"exe")
+		command="./$base"
+		;;
+	"out")
+		#
+		# This is the file format for checking output against.
+		#
+		return 0
+		;;
+	*)
+		echo "skipping test $name (unknown extensino)"
+		return 0
+		;;
+	esac
+
+	echo "Executing test $name ... \c"
+	mkdir -p "$odir" >/dev/null || fatal "can't make output directory"
+	cd $(dirname $name) || fatal "failed to enter test directory"
+	$command $vt_vnics > "$odir/stdout" 2>"$odir/stderr"
+	res=$?
+	cd - > /dev/null || fatal "failed to leave test directory"
+
+	if [[ -f "$name.out" ]] && \
+	    ! diff "$name.out" "$odir/stdout" >/dev/null; then
+		cp $name.out $odir/$base.out
+		reason="stdout mismatch"
+	elif [[ -n "$iserr" && $res -eq 0 ]]; then
+		reason="test exited $res, not non-zero"
+	elif [[ -z "$iserr" && $res -ne 0 ]]; then
+		reason="test exited $res, not zero"
+	fi
+
+	if [[ -n "$reason" ]]; then
+		echo "$reason"
+		((vt_tfail++))
+		mv "$odir" "$vt_outdir/failure.$vt_tfail" || fatal \
+		    "failed to move test output directory"
+		cp "$name" "$vt_outdir/failure.$vt_tfail/$(basename $name)" || \
+		    fatal "failed to copy test into output directory"
+	else
+		echo "passed"
+		((vt_tsuc++))
+		mv "$odir" "$vt_outdir/success.$vt_tsuc" || fatal \
+		    "failed to move test directory"	
+	fi
+
+	[[ "$expect" == "create" || "$expect" == "ecreate" ]] && cleanup_vnics
+
+	((vt_tnum++))
+}
+
+function run_all
+{
+	typeset tests t dir
+
+	cd $vt_root || fatal "failed to enter root test directory"
+	tests=$(ls -1 */*/@(ecreate|create|tst|err).*.@(ksh|exe))
+	cd - > /dev/null
+	for t in $tests; do
+		run_single $t
+	done
+}
+
+function welcome
+{
+	cat <<WELCOME
+Starting tests...
+output directory: $vt_outdir
+WELCOME
+}
+
+function cleanup
+{
+	[[ -n "$vt_keep" ]] && return
+	rm -rf "$vt_outdir"/success.* || fatal \
+	     "failed to remove successful test cases"
+	if [[ $vt_tfail -eq 0 ]]; then
+		rmdir "$vt_outdir" || fatal \
+		    "failed to remove test output directory"
+	fi
+}
+
+function goodbye
+{
+	cat <<EOF
+
+-------------
+Results
+-------------
+
+Tests passed: $vt_tsuc
+Tests failed: $vt_tfail
+Tests ran:    $vt_tnum
+
+EOF
+	if [[ $vt_tfail  -eq 0 ]]; then
+		echo "Congrats, vnd isn't completely broken, the tests pass".
+	else
+		echo "Some tests failed, you have some work to do."
+	fi
+}
+
+while getopts ":ahko:m:" c $@; do
+	case "$c" in
+	a)
+		vt_all="y"
+		;;
+	k)
+		vt_keep="y"
+		;;
+	o)
+		vt_outdir="$OPTARG"
+		;;
+	h)
+		usage
+		;;
+	:)
+		usage "option requires an argument -- $OPTARG"
+		;;
+	*)
+		usage "invalid option -- $OPTARG"
+		;;
+	esac
+done
+
+shift $((OPTIND-1))
+
+[[ $(zonename) != "global" ]] && fatal "vndtest only runs in the global zone"
+
+[[ -z "$vt_all" && $# == 0 ]] && usage "no tests to run"
+
+[[ -z "$vt_outdir" ]] && vt_outdir="$PWD"
+
+setup_outdir
+setup_etherstub
+welcome
+
+if [[ ! -z "$vt_all" ]]; then
+	run_all
+else
+	for t in $@; do
+		[[ -f $t ]] || fatal "cannot find test $t"
+		run_single $t		
+	done
+fi
+
+cleanup_etherstub
+goodbye
+cleanup
+
+#
+# Exit 1 if we have tests that return non-zero
+#
+[[ $vt_tfai -eq 0 ]]
diff --git a/usr/src/cmd/vndadm/test/tst/Makefile b/usr/src/cmd/vndadm/test/tst/Makefile
new file mode 100644
index 0000000000..9b1ba29429
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+SUBDIRS = cmd dld ioctl lib
+
+include ../Makefile.subdirs
diff --git a/usr/src/cmd/vndadm/test/tst/cmd/Makefile b/usr/src/cmd/vndadm/test/tst/cmd/Makefile
new file mode 100644
index 0000000000..1ca20bf749
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/cmd/Makefile
@@ -0,0 +1,34 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+TSTDIR =	cmd
+COMMONSH =	cmd.common.ksh
+SHTESTS = 	$(COMMONSH) \
+		create.list.ksh \
+		create.sdev.ksh \
+		create.setbuf.ksh \
+		ecreate.destroy.ksh \
+		ecreate.setbadprop.ksh \
+		ecreate.setbadvalue.ksh \
+		ecreate.setbuftoobig.ksh \
+		ecreate.setrdonlyprop.ksh
+
+OUTFILES =	create.list.ksh.out
+
+include ../../Makefile.com
+
+install: $(ROOTTESTS)
+
+include ../../Makefile.targ
diff --git a/usr/src/cmd/vndadm/test/tst/cmd/cmd.common.ksh b/usr/src/cmd/vndadm/test/tst/cmd/cmd.common.ksh
new file mode 100644
index 0000000000..31e4e8bf5c
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/cmd/cmd.common.ksh
@@ -0,0 +1,33 @@
+#
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Common ksh-based utilities
+#
+
+vt_arg0=$(basename $0)
+
+function fatal
+{
+	typeset msg="$*"
+	[[ -z "$msg" ]] && msg="failed"
+	echo "$vt_arg0: $msg" >&2
+	exit 1
+}
+
+[[ -z "$1" ]] && fatal "missing required vnic"
+[[ -z "$2" ]] && fatal "missing required vnic"
+[[ -z "$3" ]] && fatal "missing required vnic"
diff --git a/usr/src/cmd/vndadm/test/tst/cmd/create.list.ksh b/usr/src/cmd/vndadm/test/tst/cmd/create.list.ksh
new file mode 100644
index 0000000000..fdec9a85be
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/cmd/create.list.ksh
@@ -0,0 +1,30 @@
+#!/usr/bin/ksh
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Basic device listing
+#
+
+. ./cmd.common.ksh
+
+#
+# Use what we hope is a relatively unique name
+#
+cl_name="triforceofcourage0"
+vndadm create -l $1 $cl_name || fatal "failed to create vnd device"
+vndadm list -p -o name,zone $cl_name
+vndadm list -p -d: -o zone,name $cl_name
+vndadm destroy $cl_name || fatal "failed to destroy vnd device"
diff --git a/usr/src/cmd/vndadm/test/tst/cmd/create.list.ksh.out b/usr/src/cmd/vndadm/test/tst/cmd/create.list.ksh.out
new file mode 100644
index 0000000000..d208b38aab
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/cmd/create.list.ksh.out
@@ -0,0 +1,2 @@
+triforceofcourage0 global
+global:triforceofcourage0
diff --git a/usr/src/cmd/vndadm/test/tst/cmd/create.sdev.ksh b/usr/src/cmd/vndadm/test/tst/cmd/create.sdev.ksh
new file mode 100644
index 0000000000..b816ade1de
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/cmd/create.sdev.ksh
@@ -0,0 +1,25 @@
+#!/usr/bin/ksh
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Verify that our sdev links exist
+#
+
+. ./cmd.common.ksh
+
+vndadm create $1 || fatal "failed to bring up vnd"
+[[ -c /dev/vnd/$1 ]] || fatal "missing link"
+[[ -c /dev/vnd/zone/$(zonename)/$1 ]] || fatal "missing per-zone link"
diff --git a/usr/src/cmd/vndadm/test/tst/cmd/create.setbuf.ksh b/usr/src/cmd/vndadm/test/tst/cmd/create.setbuf.ksh
new file mode 100644
index 0000000000..d50edbead4
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/cmd/create.setbuf.ksh
@@ -0,0 +1,34 @@
+#!/usr/bin/ksh
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Set and validate the buffer size properties. Valiate that we can set
+# the value using the various number analogues, eg. 1024K, etc.
+#
+set -o pipefail
+
+. ./cmd.common.ksh
+
+vndadm create $1 || fatal "failed to bring up vnd device"
+vndadm set $1 rxbuf=1M
+cur=$(vndadm get -p $1 rxbuf | nawk '{ print $4 }')
+[[ $? -eq 0 ]] || fatal "failed to get rxbuf"
+[[ $cur -eq 1048576 ]] || fatal "rxbuf is $cur, not 1M"
+
+vndadm set $1 txbuf=1024K
+cur=$(vndadm get -p $1 rxbuf | nawk '{ print $4 }')
+[[ $? -eq 0 ]] || fatal "failed to get txbuf"
+[[ $cur -eq 1048576 ]] || fatal "txbuf is $cur, not 1M"
diff --git a/usr/src/cmd/vndadm/test/tst/cmd/ecreate.destroy.ksh b/usr/src/cmd/vndadm/test/tst/cmd/ecreate.destroy.ksh
new file mode 100644
index 0000000000..e3c4931018
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/cmd/ecreate.destroy.ksh
@@ -0,0 +1,25 @@
+#!/usr/bin/ksh
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Make sure that destroy on a previously destroyed link fails
+#
+
+. ./cmd.common.ksh
+
+vndadm create $1 || fatal "failed to bring up vnd device"
+vndadm destroy $1 || fatal "failed to destroy vnd device"
+vndadm destroy $1
diff --git a/usr/src/cmd/vndadm/test/tst/cmd/ecreate.setbadprop.ksh b/usr/src/cmd/vndadm/test/tst/cmd/ecreate.setbadprop.ksh
new file mode 100644
index 0000000000..30c27575b1
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/cmd/ecreate.setbadprop.ksh
@@ -0,0 +1,24 @@
+#!/usr/bin/ksh
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Make sure that we can't set a non-existant proprety
+#
+
+. ./cmd.common.ksh
+
+vndadm create $1 || fatal "failed to bring up vnd device"
+vndadm set $1 ganon=ganondorf
diff --git a/usr/src/cmd/vndadm/test/tst/cmd/ecreate.setbadvalue.ksh b/usr/src/cmd/vndadm/test/tst/cmd/ecreate.setbadvalue.ksh
new file mode 100644
index 0000000000..056b24a817
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/cmd/ecreate.setbadvalue.ksh
@@ -0,0 +1,24 @@
+#!/usr/bin/ksh
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Make sure that we can't set something to a garbage value
+#
+
+. ./cmd.common.ksh
+
+vndadm create $1 || fatal "failed to bring up vnd device"
+vndadm set $1 rxbuf=hello
diff --git a/usr/src/cmd/vndadm/test/tst/cmd/ecreate.setbuftoobig.ksh b/usr/src/cmd/vndadm/test/tst/cmd/ecreate.setbuftoobig.ksh
new file mode 100644
index 0000000000..551e20461c
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/cmd/ecreate.setbuftoobig.ksh
@@ -0,0 +1,24 @@
+#!/usr/bin/ksh
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Make sure that we can't set a buffer value to a ridiculous size
+#
+
+. ./cmd.common.ksh
+
+vndadm create $1 || fatal "failed to bring up vnd device"
+vndadm set $1 rxsize=1T
diff --git a/usr/src/cmd/vndadm/test/tst/cmd/ecreate.setrdonlyprop.ksh b/usr/src/cmd/vndadm/test/tst/cmd/ecreate.setrdonlyprop.ksh
new file mode 100644
index 0000000000..4beb53e227
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/cmd/ecreate.setrdonlyprop.ksh
@@ -0,0 +1,24 @@
+#!/usr/bin/ksh
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Make sure that we can't set a read only property.
+#
+
+. ./cmd.common.ksh
+
+vndadm create $1 || fatal "failed to bring up vnd device"
+vndadm set $1 mintu=100
diff --git a/usr/src/cmd/vndadm/test/tst/dld/Makefile b/usr/src/cmd/vndadm/test/tst/dld/Makefile
new file mode 100644
index 0000000000..3088812630
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/dld/Makefile
@@ -0,0 +1,27 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+TSTDIR =	dld
+COMMONSH =	dld.common.ksh
+SHTESTS = 	$(COMMONSH) \
+		ecreate.ipfirst.ksh \
+		ecreate.vndfirst.ksh \
+		create.reuse.ksh
+
+include ../../Makefile.com
+
+install: $(ROOTTESTS)
+
+include ../../Makefile.targ
diff --git a/usr/src/cmd/vndadm/test/tst/dld/create.reuse.ksh b/usr/src/cmd/vndadm/test/tst/dld/create.reuse.ksh
new file mode 100644
index 0000000000..bc2ffde7f6
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/dld/create.reuse.ksh
@@ -0,0 +1,31 @@
+#
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Make sure that we can reuse a data link
+#
+
+. ./dld.common.ksh
+
+dld_nic=$1
+[[ -z "$1" ]] && fatal "missing required vnic"
+
+vndadm create $dld_nic || fatal "failed to bring up vnd"
+vndadm destroy $dld_nic || fatal "failed to bring down vnd"
+ifconfig $dld_nic plumb up || fatal "failed to bring up IP"
+ifconfig $dld_nic down unplumb || fatal "failed to bring down IP"
+vndadm create $dld_nic || fatal "failed to bring up vnd"
+vndadm destroy $dld_nic || fatal "failed to bring down vnd"
diff --git a/usr/src/cmd/vndadm/test/tst/dld/dld.common.ksh b/usr/src/cmd/vndadm/test/tst/dld/dld.common.ksh
new file mode 100644
index 0000000000..7a2e0a8e2b
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/dld/dld.common.ksh
@@ -0,0 +1,29 @@
+#
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Common ksh-based utilities
+#
+
+vt_arg0=$(basename $0)
+
+function fatal
+{
+	typeset msg="$*"
+	[[ -z "$msg" ]] && msg="failed"
+	echo "$vt_arg0: $msg" >&2
+	exit 1
+}
diff --git a/usr/src/cmd/vndadm/test/tst/dld/ecreate.ipfirst.ksh b/usr/src/cmd/vndadm/test/tst/dld/ecreate.ipfirst.ksh
new file mode 100644
index 0000000000..e6409781cb
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/dld/ecreate.ipfirst.ksh
@@ -0,0 +1,27 @@
+#
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Make sure vnd fails to come up when IP is up
+#
+
+. ./dld.common.ksh
+
+dld_nic=$1
+[[ -z "$1" ]] && fatal "missing required vnic"
+
+ifconfig $dld_nic plumb up || fatal "failed to bring up IP"
+vndadm create $dld_nic
diff --git a/usr/src/cmd/vndadm/test/tst/dld/ecreate.vndfirst.ksh b/usr/src/cmd/vndadm/test/tst/dld/ecreate.vndfirst.ksh
new file mode 100644
index 0000000000..ee7a13c09c
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/dld/ecreate.vndfirst.ksh
@@ -0,0 +1,27 @@
+#
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Make sure IP fails to come up when vnd is up
+#
+
+. ./dld.common.ksh
+
+dld_nic=$1
+[[ -z "$1" ]] && fatal "missing required vnic"
+
+vndadm create $dld_nic || fatal "failed to bring up vnd"
+ifconfig $dld_nic plumb up
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/Makefile b/usr/src/cmd/vndadm/test/tst/ioctl/Makefile
new file mode 100644
index 0000000000..fe074f32b0
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/Makefile
@@ -0,0 +1,49 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+TSTDIR =	ioctl
+EXETESTS = \
+	create.attach.exe \
+	create.attachnolink.exe \
+	create.badlinkname.exe \
+	create.doublelink.exe \
+	create.gioctlattach.exe \
+	create.link.exe \
+	create.linkexists.exe \
+	create.ngioctlfault.exe \
+	create.nopriv1.exe \
+	create.nopriv2.exe \
+	create.nopriv3.exe \
+	create.nopriv4.exe \
+	create.olink.exe \
+	create.olinknopriv.exe \
+	create.rmenolink.exe \
+	tst.attachrdonly.exe \
+	tst.basicopenctl.exe \
+	tst.badioctl.exe \
+	tst.gioctlfault.exe \
+	tst.gioctlnattach.exe \
+	tst.openctlbadflags.exe
+SHTESTS = \
+	tst.iocsize.ksh
+SUPBOBJS =
+
+CLOBBERFILES =	$(EXETESTS)
+
+include ../../Makefile.com
+
+install: $(ROOTTESTS)
+
+include ../../Makefile.targ
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.attach.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.attach.c
new file mode 100644
index 0000000000..d7bca5cce3
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.attach.c
@@ -0,0 +1,63 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Simply attach a nic
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <strings.h>
+#include <assert.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, ret;
+	vnd_ioc_attach_t via;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd > 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == 0);
+	assert(via.via_errno == 0);
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.attachnolink.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.attachnolink.c
new file mode 100644
index 0000000000..43c6c99af5
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.attachnolink.c
@@ -0,0 +1,67 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Try to attach to a non-existant vnic
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <strings.h>
+#include <assert.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, ret;
+	vnd_ioc_attach_t via;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd > 0);
+
+	/*
+	 * All datalink names have numbers, so we can pick a datalink which
+	 * doesn't exist by not using numbers...
+	 */
+	(void) strlcpy(via.via_name, "enolink", VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == -1);
+	assert(via.via_errno == VND_E_NODATALINK);
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.badlinkname.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.badlinkname.c
new file mode 100644
index 0000000000..e3a067d5ce
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.badlinkname.c
@@ -0,0 +1,119 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Test that we can't link a nic with invalid names
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <strings.h>
+#include <assert.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+static const char *names[] = {
+	/* Reserved names */
+	"ctl",
+	"zone",
+	/* Invalid characters */
+	"The fight of the century",
+	"Link/Ganon",
+	"happens@7pm",
+	"#testing",
+	"asdf!!",
+	"power&courage&wisdom",
+	"over9000?",
+	"you're",
+	"100$",
+	"(function",
+	"x)",
+	"2^128",
+	"1++",
+	"No.",
+	"99%",
+	"*****",
+	"r|m",
+	"=0",
+	"`p0",
+	"goodbye~",
+	"however;",
+	"\"hesaid",
+	"shesaid\'",
+	/* emoji pile of poo */
+	"\xF0\x9F\x92\xA9",
+	NULL
+};
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, ret, i;
+	vnd_ioc_attach_t via;
+	vnd_ioc_link_t vil;
+	vnd_ioc_unlink_t viu;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd > 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == 0);
+	assert(via.via_errno == 0);
+
+	for (i = 0; names[i] != NULL; i++) {
+		(void) strlcpy(vil.vil_name, names[i], VND_NAMELEN);
+		(void) fprintf(stderr, "Trying to create [%s]\n", names[i]);
+		vil.vil_errno = 0;
+		ret = ioctl(fd, VND_IOC_LINK, &vil);
+		assert(ret == -1);
+		assert(vil.vil_errno == VND_E_BADNAME);
+	}
+
+	/* Finally, the missing null terminator */
+	for (i = 0; i < VND_NAMELEN; i++)
+		vil.vil_name[i] = 'a';
+	ret = ioctl(fd, VND_IOC_LINK, &vil);
+	assert(ret == -1);
+	assert(vil.vil_errno == VND_E_BADNAME);
+
+	viu.viu_errno = 0;
+	ret = ioctl(fd, VND_IOC_UNLINK, &viu);
+	assert(ret == -1);
+	assert(viu.viu_errno == VND_E_NOTLINKED);
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.doublelink.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.doublelink.c
new file mode 100644
index 0000000000..dcf4f311e9
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.doublelink.c
@@ -0,0 +1,82 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Link a nic, first should work, second will fail.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <strings.h>
+#include <assert.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, ret;
+	vnd_ioc_attach_t via;
+	vnd_ioc_link_t vil;
+	vnd_ioc_unlink_t viu;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd > 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == 0);
+	assert(via.via_errno == 0);
+
+	(void) strlcpy(vil.vil_name, argv[1], VND_NAMELEN);
+	vil.vil_errno = 0;
+	ret = ioctl(fd, VND_IOC_LINK, &vil);
+	assert(ret == 0);
+	assert(vil.vil_errno == 0);
+
+	(void) strlcpy(vil.vil_name, "dup", VND_NAMELEN);
+	vil.vil_errno = 0;
+	ret = ioctl(fd, VND_IOC_LINK, &vil);
+	assert(ret == -1);
+	assert(vil.vil_errno == VND_E_LINKED);
+	viu.viu_errno = 0;
+
+	ret = ioctl(fd, VND_IOC_UNLINK, &viu);
+	assert(ret == 0);
+	assert(viu.viu_errno == 0);
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.gioctlattach.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.gioctlattach.c
new file mode 100644
index 0000000000..3d6f43377b
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.gioctlattach.c
@@ -0,0 +1,69 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Ensure that we can't run global ioctls on an attached handle
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <strings.h>
+#include <assert.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, ret;
+	vnd_ioc_attach_t via;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd > 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == 0);
+	assert(via.via_errno == 0);
+
+	via.via_name[0] = 'a';
+	via.via_name[1] = '\0';
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == -1);
+	assert(via.via_errno == VND_E_ATTACHED);
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.link.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.link.c
new file mode 100644
index 0000000000..16569d58cd
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.link.c
@@ -0,0 +1,76 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Link a nic
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <strings.h>
+#include <assert.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, ret;
+	vnd_ioc_attach_t via;
+	vnd_ioc_link_t vil;
+	vnd_ioc_unlink_t viu;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd > 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == 0);
+	assert(via.via_errno == 0);
+
+	(void) strlcpy(vil.vil_name, argv[1], VND_NAMELEN);
+	vil.vil_errno = 0;
+	ret = ioctl(fd, VND_IOC_LINK, &vil);
+	assert(ret == 0);
+	assert(vil.vil_errno == 0);
+
+	viu.viu_errno = 0;
+	ret = ioctl(fd, VND_IOC_UNLINK, &viu);
+	assert(ret == 0);
+	assert(viu.viu_errno == 0);
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.linkexists.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.linkexists.c
new file mode 100644
index 0000000000..4e3be0db5d
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.linkexists.c
@@ -0,0 +1,90 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Try to create two devices with the same link name.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <strings.h>
+#include <assert.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, fd2, ret;
+	vnd_ioc_attach_t via;
+	vnd_ioc_link_t vil;
+	vnd_ioc_unlink_t viu;
+
+	if (argc < 3) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd > 0);
+	fd2 = open(VND_PATH, O_RDWR);
+	assert(fd2 > 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == 0);
+	assert(via.via_errno == 0);
+
+	(void) strlcpy(via.via_name, argv[2], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+	ret = ioctl(fd2, VND_IOC_ATTACH, &via);
+	assert(ret == 0);
+	assert(via.via_errno == 0);
+
+	(void) strlcpy(vil.vil_name, "dup", VND_NAMELEN);
+	vil.vil_errno = 0;
+	ret = ioctl(fd, VND_IOC_LINK, &vil);
+	assert(ret == 0);
+	assert(vil.vil_errno == 0);
+
+	(void) strlcpy(vil.vil_name, "dup", VND_NAMELEN);
+	vil.vil_errno = 0;
+	ret = ioctl(fd2, VND_IOC_LINK, &vil);
+	assert(ret == -1);
+	assert(vil.vil_errno == VND_E_LINKEXISTS);
+
+	viu.viu_errno = 0;
+	ret = ioctl(fd, VND_IOC_UNLINK, &viu);
+	assert(ret == 0);
+	assert(viu.viu_errno == 0);
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.ngioctlfault.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.ngioctlfault.c
new file mode 100644
index 0000000000..bf174f1a8f
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.ngioctlfault.c
@@ -0,0 +1,96 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Pass bad addresses to all of our non-global ioctls
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <strings.h>
+#include <assert.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+static int requests[] = {
+	VND_IOC_LINK,
+	VND_IOC_UNLINK,
+	VND_IOC_GETRXBUF,
+	VND_IOC_SETRXBUF,
+	VND_IOC_GETTXBUF,
+	VND_IOC_SETTXBUF,
+	VND_IOC_GETMINTU,
+	VND_IOC_GETMAXTU,
+	VND_IOC_GETMAXBUF,
+	-1
+};
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, ret, i;
+	vnd_ioc_attach_t via;
+	vnd_ioc_link_t vil;
+	vnd_ioc_unlink_t viu;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd > 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == 0);
+	assert(via.via_errno == 0);
+
+	(void) strlcpy(vil.vil_name, argv[1], VND_NAMELEN);
+	vil.vil_errno = 0;
+	ret = ioctl(fd, VND_IOC_LINK, &vil);
+	assert(ret == 0);
+	assert(vil.vil_errno == 0);
+
+	for (i = 0; requests[i] != -1; i++) {
+		ret = ioctl(fd, requests[i], (void *)(uintptr_t)i);
+		assert(ret == -1);
+		assert(errno == EFAULT);
+	}
+
+
+	viu.viu_errno = 0;
+	ret = ioctl(fd, VND_IOC_UNLINK, &viu);
+	assert(ret == 0);
+	assert(viu.viu_errno == 0);
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.nopriv1.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.nopriv1.c
new file mode 100644
index 0000000000..6d5ad0eec2
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.nopriv1.c
@@ -0,0 +1,69 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Fail to attach a device without PRIV_NET_CONFIG
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <assert.h>
+#include <priv.h>
+#include <string.h>
+#include <unistd.h>
+#include <stropts.h>
+#include <stdio.h>
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, ret;
+	priv_set_t *ps;
+	vnd_ioc_attach_t via;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	ps = priv_allocset();
+	assert(ps != NULL);
+	assert(priv_addset(ps, PRIV_SYS_NET_CONFIG) == 0);
+	assert(setppriv(PRIV_OFF, PRIV_PERMITTED, ps) == 0);
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd >= 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == -1);
+	assert(errno == EPERM);
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.nopriv2.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.nopriv2.c
new file mode 100644
index 0000000000..6b38f159a0
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.nopriv2.c
@@ -0,0 +1,69 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Fail to attach a device without PRIV_NET_RAWACCESS
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <assert.h>
+#include <priv.h>
+#include <unistd.h>
+#include <stropts.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, ret;
+	priv_set_t *ps;
+	vnd_ioc_attach_t via;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	ps = priv_allocset();
+	assert(ps != NULL);
+	assert(priv_addset(ps, PRIV_NET_RAWACCESS) == 0);
+	assert(setppriv(PRIV_OFF, PRIV_PERMITTED, ps) == 0);
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd >= 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == -1);
+	assert(errno == EPERM);
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.nopriv3.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.nopriv3.c
new file mode 100644
index 0000000000..a8c43fc46d
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.nopriv3.c
@@ -0,0 +1,70 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Fail to attach a device without PRIV_NET_CONFIG and PRIV_NET_RAWACCESS
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <assert.h>
+#include <priv.h>
+#include <unistd.h>
+#include <stropts.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, ret;
+	priv_set_t *ps;
+	vnd_ioc_attach_t via;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	ps = priv_allocset();
+	assert(ps != NULL);
+	assert(priv_addset(ps, PRIV_SYS_NET_CONFIG) == 0);
+	assert(priv_addset(ps, PRIV_NET_RAWACCESS) == 0);
+	assert(setppriv(PRIV_OFF, PRIV_PERMITTED, ps) == 0);
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd >= 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == -1);
+	assert(errno == EPERM);
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.nopriv4.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.nopriv4.c
new file mode 100644
index 0000000000..aed0204544
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.nopriv4.c
@@ -0,0 +1,75 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Fail to link a device without PRIV_NET_CONFIG
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <assert.h>
+#include <priv.h>
+#include <unistd.h>
+#include <stropts.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, ret;
+	priv_set_t *ps;
+	vnd_ioc_attach_t via;
+	vnd_ioc_link_t vil;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd >= 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == 0);
+
+	ps = priv_allocset();
+	assert(ps != NULL);
+	assert(priv_addset(ps, PRIV_SYS_NET_CONFIG) == 0);
+	assert(setppriv(PRIV_OFF, PRIV_PERMITTED, ps) == 0);
+
+	(void) strlcpy(vil.vil_name, argv[1], VND_NAMELEN);
+	vil.vil_errno = 0;
+	ret = ioctl(fd, VND_IOC_LINK, &vil);
+	assert(ret == -1);
+	assert(errno == EPERM);
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.nopriv5.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.nopriv5.c
new file mode 100644
index 0000000000..2db8ecc95f
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.nopriv5.c
@@ -0,0 +1,77 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Fail to open a device without PRIV_NET_RAWACCESS
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <assert.h>
+#include <priv.h>
+#include <unistd.h>
+#include <stropts.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, fd2, ret;
+	priv_set_t *ps;
+	char *path;
+	vnd_ioc_attach_t via;
+	vnd_ioc_link_t vil;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd >= 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == 0);
+
+	ps = priv_allocset();
+	assert(ps != NULL);
+	assert(priv_addset(ps, PRIV_SYS_NET_RAWACCESS) == 0);
+	assert(setppriv(PRIV_OFF, PRIV_PERMITTED, ps) == 0);
+
+	(void) asprintf(&path, "/dev/vnd/%s", argv[1]);
+	assert(path != NULL);
+	fd2 = open(path, O_RDWR);
+	assert(fd2 == -1);
+	assert(errno == EPERM);
+
+	free(path);
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.olink.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.olink.c
new file mode 100644
index 0000000000..0f9292bbae
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.olink.c
@@ -0,0 +1,77 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Open a /dev/vnd/%s link
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <strings.h>
+#include <assert.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, ret;
+	char *path;
+	vnd_ioc_attach_t via;
+	vnd_ioc_link_t vil;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd > 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == 0);
+	assert(via.via_errno == 0);
+
+	(void) strlcpy(vil.vil_name, argv[1], VND_NAMELEN);
+	vil.vil_errno = 0;
+	ret = ioctl(fd, VND_IOC_LINK, &vil);
+	assert(ret == 0);
+	assert(vil.vil_errno == 0);
+
+	ret = asprintf(&path, "/dev/vnd/%s", argv[1]);
+	assert(ret != -1);
+
+	ret = open(path, O_RDONLY);
+	assert(ret > 0);
+	assert(close(ret) == 0);
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.olinknopriv.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.olinknopriv.c
new file mode 100644
index 0000000000..338218e751
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.olinknopriv.c
@@ -0,0 +1,83 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Fail to open a /dev/vnd/%s without PRIV_NET_RAWACCESS
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <strings.h>
+#include <assert.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <priv.h>
+
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, ret;
+	char *path;
+	priv_set_t *ps;
+	vnd_ioc_attach_t via;
+	vnd_ioc_link_t vil;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd > 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == 0);
+	assert(via.via_errno == 0);
+
+	(void) strlcpy(vil.vil_name, argv[1], VND_NAMELEN);
+	vil.vil_errno = 0;
+	ret = ioctl(fd, VND_IOC_LINK, &vil);
+	assert(ret == 0);
+	assert(vil.vil_errno == 0);
+
+	ret = asprintf(&path, "/dev/vnd/%s", argv[1]);
+	assert(ret != -1);
+
+	ps = priv_allocset();
+	assert(ps != NULL);
+	assert(priv_addset(ps, PRIV_NET_RAWACCESS) == 0);
+	assert(setppriv(PRIV_OFF, PRIV_PERMITTED, ps) == 0);
+
+	ret = open(path, O_RDWR);
+	assert(ret == -1);
+	assert(errno == EPERM);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/create.rmenolink.c b/usr/src/cmd/vndadm/test/tst/ioctl/create.rmenolink.c
new file mode 100644
index 0000000000..d44e6512a7
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/create.rmenolink.c
@@ -0,0 +1,69 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Verify that unlink fails when we're not linked.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <strings.h>
+#include <assert.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, ret;
+	vnd_ioc_attach_t via;
+	vnd_ioc_unlink_t viu;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR);
+	assert(fd > 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == 0);
+	assert(via.via_errno == 0);
+
+	viu.viu_errno = 0;
+	ret = ioctl(fd, VND_IOC_UNLINK, &viu);
+	assert(ret == -1);
+	assert(viu.viu_errno == VND_E_NOTLINKED);
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/tst.attachrdonly.c b/usr/src/cmd/vndadm/test/tst/ioctl/tst.attachrdonly.c
new file mode 100644
index 0000000000..29def6182d
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/tst.attachrdonly.c
@@ -0,0 +1,63 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Fail to attach when /dev/vnd/ctl is opened read only.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <strings.h>
+#include <assert.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(int argc, const char *argv[])
+{
+	int fd, ret;
+	vnd_ioc_attach_t via;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= VND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDONLY);
+	assert(fd > 0);
+
+	(void) strlcpy(via.via_name, argv[1], VND_NAMELEN);
+	via.via_zoneid = 0;
+	via.via_errno = 0;
+
+	ret = ioctl(fd, VND_IOC_ATTACH, &via);
+	assert(ret == -1);
+	assert(errno == EBADF);
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/tst.badioctl.c b/usr/src/cmd/vndadm/test/tst/ioctl/tst.badioctl.c
new file mode 100644
index 0000000000..f26722f035
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/tst.badioctl.c
@@ -0,0 +1,79 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Throw a bunch of bad ioctls at us and make sure that we get ENOTTY.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <strings.h>
+#include <unistd.h>
+#include <stropts.h>
+#include <limits.h>
+#include <assert.h>
+
+/*
+ * We're including a bunch of bad header files that have ioctl numbers that we
+ * know we shouldn't.
+ */
+#include <sys/ipd.h>
+#include <sys/dtrace.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+/*
+ * A series of bad requests
+ */
+static int requests[] = {
+	0,
+	1,
+	42,
+	169,
+	4096,
+	INT_MAX,
+	IPDIOC_CORRUPT,
+	IPDIOC_REMOVE,
+	DTRACEIOC_CONF,
+	DTRACEIOC_REPLICATE,
+	-1
+};
+
+int
+main(void)
+{
+	int fd, i;
+
+	fd = open(VND_PATH, O_RDONLY);
+	if (fd < 0) {
+		(void) fprintf(stderr, "failed to open %s read only: %s\n",
+		    VND_PATH, strerror(errno));
+		return (1);
+	}
+
+	for (i = 0; requests[i] != -1; i++) {
+		int ret;
+		ret = ioctl(fd, requests[i], NULL);
+		assert(ret == -1);
+		assert(errno == ENOTTY);
+	}
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/tst.basicopenctl.c b/usr/src/cmd/vndadm/test/tst/ioctl/tst.basicopenctl.c
new file mode 100644
index 0000000000..852ad5550f
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/tst.basicopenctl.c
@@ -0,0 +1,76 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Ensure that we can do a basic open of the device for read, write, and
+ * read/write.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <strings.h>
+#include <unistd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(void)
+{
+	int fd;
+
+	fd = open(VND_PATH, O_RDONLY);
+	if (fd < 0) {
+		(void) fprintf(stderr, "failed to open %s read only: %s\n",
+		    VND_PATH, strerror(errno));
+		return (1);
+	}
+
+	if (close(fd) != 0) {
+		(void) fprintf(stderr, "failed to close vnd fd: %s\n",
+		    strerror(errno));
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR);
+	if (fd < 0) {
+		(void) fprintf(stderr, "failed to open %s read/write: %s\n",
+		    VND_PATH, strerror(errno));
+		return (1);
+	}
+
+	if (close(fd) != 0) {
+		(void) fprintf(stderr, "failed to close vnd fd: %s\n",
+		    strerror(errno));
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_WRONLY);
+	if (fd < 0) {
+		(void) fprintf(stderr, "failed to open %s write only: %s\n",
+		    VND_PATH, strerror(errno));
+		return (1);
+	}
+
+	if (close(fd) != 0) {
+		(void) fprintf(stderr, "failed to close vnd fd: %s\n",
+		    strerror(errno));
+		return (1);
+	}
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/tst.gioctlfault.c b/usr/src/cmd/vndadm/test/tst/ioctl/tst.gioctlfault.c
new file mode 100644
index 0000000000..b581b5dd4c
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/tst.gioctlfault.c
@@ -0,0 +1,78 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Pass pointers to arbitrary addresses and make sure we properly get EFAULT for
+ * all the global ioctls.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <strings.h>
+#include <unistd.h>
+#include <stropts.h>
+#include <limits.h>
+#include <assert.h>
+
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(void)
+{
+	int fd, ret;
+	vnd_ioc_attach_t *via;
+	vnd_ioc_list_t *vil;
+	vnd_ioc_buf_t *vib;
+
+	fd = open(VND_PATH, O_RDWR);
+	if (fd < 0) {
+		(void) fprintf(stderr, "failed to open %s r/w: %s\n", VND_PATH,
+		    strerror(errno));
+		return (1);
+	}
+
+	via = (vnd_ioc_attach_t *)(uintptr_t)23;
+	vil = (vnd_ioc_list_t *)(uintptr_t)42;
+	vib = (vnd_ioc_buf_t *)(uintptr_t)169;
+
+	ret = ioctl(fd, VND_IOC_ATTACH, NULL);
+	assert(ret == -1);
+	assert(errno == EFAULT);
+	ret = ioctl(fd, VND_IOC_LIST, NULL);
+	assert(ret == -1);
+	assert(errno == EFAULT);
+	ret = ioctl(fd, VND_IOC_GETMAXBUF, NULL);
+	assert(ret == -1);
+	assert(errno == EFAULT);
+
+	ret = ioctl(fd, VND_IOC_ATTACH, via);
+	assert(ret == -1);
+	assert(errno == EFAULT);
+	ret = ioctl(fd, VND_IOC_LIST, vil);
+	assert(ret == -1);
+	assert(errno == EFAULT);
+	ret = ioctl(fd, VND_IOC_GETMAXBUF, vib);
+	assert(ret == -1);
+	assert(errno == EFAULT);
+
+	assert(close(fd) == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/tst.gioctlnattach.c b/usr/src/cmd/vndadm/test/tst/ioctl/tst.gioctlnattach.c
new file mode 100644
index 0000000000..98acffa194
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/tst.gioctlnattach.c
@@ -0,0 +1,100 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Here we test that all the ioctls which require us to be on a local device
+ * fail to work. Specifically, the errno should be VND_E_NOTATTACHED
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <strings.h>
+#include <unistd.h>
+#include <stropts.h>
+#include <limits.h>
+#include <assert.h>
+#include <stdlib.h>
+
+#include <sys/vnd.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+static int vib_ioc[] = {
+	VND_IOC_GETRXBUF,
+	VND_IOC_SETRXBUF,
+	VND_IOC_GETTXBUF,
+	VND_IOC_SETTXBUF,
+	VND_IOC_GETMINTU,
+	VND_IOC_GETMAXTU,
+	-1
+};
+
+int
+main(void)
+{
+	int fd, ret, i;
+	vnd_ioc_link_t vil;
+	vnd_ioc_unlink_t viu;
+	vnd_ioc_buf_t vib;
+	frameio_t *fio;
+	char buf[1];
+
+	fd = open(VND_PATH, O_RDWR);
+	if (fd < 0) {
+		(void) fprintf(stderr, "failed to open %s r/w: %s\n", VND_PATH,
+		    strerror(errno));
+		return (1);
+	}
+
+	bzero(&vil, sizeof (vnd_ioc_link_t));
+	vil.vil_name[0] = 'a';
+	bzero(&viu, sizeof (vnd_ioc_unlink_t));
+	bzero(&vib, sizeof (vnd_ioc_buf_t));
+	fio = malloc(sizeof (frameio_t) + sizeof (framevec_t));
+	assert(fio != NULL);
+	fio->fio_version = FRAMEIO_CURRENT_VERSION;
+	fio->fio_nvpf = 1;
+	fio->fio_nvecs = 1;
+	fio->fio_vecs[0].fv_buf = buf;
+	fio->fio_vecs[0].fv_buflen = 1;
+
+	ret = ioctl(fd, VND_IOC_LINK, &vil);
+	assert(vil.vil_errno == VND_E_NOTATTACHED);
+	ret = ioctl(fd, VND_IOC_UNLINK, &viu);
+	assert(viu.viu_errno == VND_E_NOTLINKED);
+
+	for (i = 0; vib_ioc[i] != -1; i++) {
+		bzero(&vib, sizeof (vib));
+		ret = ioctl(fd, vib_ioc[i], &vib);
+		assert(vib.vib_errno == VND_E_NOTATTACHED);
+	}
+
+	/* The frameio ioctls only use standard errnos */
+	ret = ioctl(fd, VND_IOC_FRAMEIO_READ, fio);
+	assert(ret == -1);
+	assert(errno == ENXIO);
+	ret = ioctl(fd, VND_IOC_FRAMEIO_WRITE, fio);
+	assert(ret == -1);
+	assert(errno == ENXIO);
+
+	free(fio);
+	assert(close(fd) == 0);
+
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/tst.iocsize.ksh b/usr/src/cmd/vndadm/test/tst/ioctl/tst.iocsize.ksh
new file mode 100644
index 0000000000..9b30043d47
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/tst.iocsize.ksh
@@ -0,0 +1,54 @@
+#
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Ensure structure sizes for both ILP32 and LP64 are the same
+#
+
+vt_arg0=$(basename $0)
+vt_structs="vnd_ioc_attach_t vnd_ioc_link_t vnd_ioc_unlink_t"
+vt_structs="$vt_structs vnd_ioc_nonblock_t vnd_ioc_buf_t vnd_ioc_info_t"
+
+vt_t32="/tmp/vnd.iocsize.32.$$"
+vt_t64="/tmp/vnd.iocsize.64.$$"
+
+function fatal
+{
+	typeset msg="$*"
+	[[ -z "$msg" ]] && msg="failed"
+	echo "$vt_arg0: $msg" >&2
+	exit 1
+}
+
+function dump_types
+{
+	typeset file=$1
+	typeset lib=$2
+	typeset t
+
+	for t in $vn_structs; do
+		mdb -e \'::print -at $t\' $lib >> $file || fatal \
+		    "failed to dump type $t from $lib"
+	done
+}
+
+rm -f $vt_t32 $vt_t64 || fatal "failed to cleanup old temp files"
+touch $vt_t32 $vt_t64 || fatal "failed to create temp files"
+
+dump_types $vt_t32 /usr/lib/libvnd.so.1
+dump_types $vt_t64 /usr/lib/64/libvnd.so.1
+
+diff $vt_t32 $vt_t64
diff --git a/usr/src/cmd/vndadm/test/tst/ioctl/tst.openctlbadflags.c b/usr/src/cmd/vndadm/test/tst/ioctl/tst.openctlbadflags.c
new file mode 100644
index 0000000000..65e48029b7
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/ioctl/tst.openctlbadflags.c
@@ -0,0 +1,88 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Make sure that we can't open the vnd control device with invalid flags.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+
+#define	VND_PATH	"/dev/vnd/ctl"
+
+int
+main(void)
+{
+	int fd;
+
+	fd = open(VND_PATH, O_RDONLY | O_EXCL);
+	if (fd != -1) {
+		(void) fprintf(stderr, "somehow opened vnd O_EXCL!");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR | O_EXCL);
+	if (fd != -1) {
+		(void) fprintf(stderr, "somehow opened vnd O_EXCL!");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_WRONLY | O_EXCL);
+	if (fd != -1) {
+		(void) fprintf(stderr, "somehow opened vnd O_EXCL!");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDONLY | O_NDELAY);
+	if (fd != -1) {
+		(void) fprintf(stderr, "somehow opened vnd O_NDELAY!");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR | O_NDELAY);
+	if (fd != -1) {
+		(void) fprintf(stderr, "somehow opened vnd O_NDELAY!");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_WRONLY | O_NDELAY);
+	if (fd != -1) {
+		(void) fprintf(stderr, "somehow opened vnd O_NDELAY!");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDONLY | O_NDELAY | O_EXCL);
+	if (fd != -1) {
+		(void) fprintf(stderr, "somehow opened vnd O_NDELAY | O_EXCL!");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_RDWR | O_NDELAY | O_EXCL);
+	if (fd != -1) {
+		(void) fprintf(stderr, "somehow opened vnd O_NDELAY | O_EXCL!");
+		return (1);
+	}
+
+	fd = open(VND_PATH, O_WRONLY | O_NDELAY | O_EXCL);
+	if (fd != -1) {
+		(void) fprintf(stderr, "somehow opened vnd O_NDELAY | O_EXCL!");
+		return (1);
+	}
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/lib/Makefile b/usr/src/cmd/vndadm/test/tst/lib/Makefile
new file mode 100644
index 0000000000..d7a1ed8fa5
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/Makefile
@@ -0,0 +1,44 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+TSTDIR =	lib
+EXETESTS = \
+	create.basic.exe \
+	create.badlink.exe \
+	create.badpropid.exe \
+	create.badpropsize.exe \
+	create.badzone.exe \
+	create.enomem.exe \
+	create.frameioeagain.exe \
+	create.open.exe \
+	create.propiter.exe \
+	create.proprdonly.exe \
+	err.badclose.exe \
+	tst.badopen.exe \
+	tst.strerror.exe \
+	tst.strsyserror.exe
+OUTFILES = tst.strerror.exe.out
+SHTESTS =
+SUPBOBJS =
+
+CLOBBERFILES =	$(EXETESTS)
+
+include ../../Makefile.com
+
+LDLIBS += -lvnd
+
+install: $(ROOTTESTS)
+
+include ../../Makefile.targ
diff --git a/usr/src/cmd/vndadm/test/tst/lib/create.badlink.c b/usr/src/cmd/vndadm/test/tst/lib/create.badlink.c
new file mode 100644
index 0000000000..aefec3ed44
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/create.badlink.c
@@ -0,0 +1,39 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Make sure that we can't create something in the context of a datalink that
+ * doesn't exist.
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <libvnd.h>
+
+int
+main(void)
+{
+	int syserr;
+	vnd_errno_t vnderr;
+	vnd_handle_t *vhp;
+
+	vhp = vnd_create(NULL, "foobar", "foobar", &vnderr, &syserr);
+	(void) printf("%d, %d\n", vnderr, syserr);
+	assert(vhp == NULL);
+	assert(vnderr == VND_E_NODATALINK);
+	assert(syserr == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/lib/create.badpropid.c b/usr/src/cmd/vndadm/test/tst/lib/create.badpropid.c
new file mode 100644
index 0000000000..15334fa31c
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/create.badpropid.c
@@ -0,0 +1,76 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Make sure that we can't get and set nonexisting properties.
+ */
+
+#include <stdio.h>
+#include <strings.h>
+#include <assert.h>
+#include <libvnd.h>
+
+int
+main(int argc, const char *argv[])
+{
+	int syserr, ret;
+	vnd_errno_t vnderr;
+	vnd_handle_t *vhp;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= LIBVND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	vhp = vnd_create(NULL, argv[1], argv[1], &vnderr, &syserr);
+	assert(vhp != NULL);
+	assert(vnderr == 0);
+	assert(syserr == 0);
+
+	ret = vnd_prop_get(vhp, VND_PROP_MAX, NULL, 0);
+	assert(ret == -1);
+	assert(vnd_errno(vhp) == VND_E_BADPROP);
+	assert(vnd_syserrno(vhp) == 0);
+
+	ret = vnd_prop_get(vhp, VND_PROP_MAX + 5, NULL, 0);
+	assert(ret == -1);
+	assert(vnd_errno(vhp) == VND_E_BADPROP);
+	assert(vnd_syserrno(vhp) == 0);
+
+	ret = vnd_prop_set(vhp, VND_PROP_MAX, NULL, 0);
+	assert(ret == -1);
+	assert(vnd_errno(vhp) == VND_E_BADPROP);
+	assert(vnd_syserrno(vhp) == 0);
+
+	ret = vnd_prop_set(vhp, VND_PROP_MAX + 5, NULL, 0);
+	assert(ret == -1);
+	assert(vnd_errno(vhp) == VND_E_BADPROP);
+	assert(vnd_syserrno(vhp) == 0);
+
+	ret = vnd_prop_writeable(VND_PROP_MAX, NULL);
+	assert(ret == -1);
+
+	ret = vnd_prop_writeable(VND_PROP_MAX + 5, NULL);
+	assert(ret == -1);
+
+	vnd_close(vhp);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/lib/create.badpropsize.c b/usr/src/cmd/vndadm/test/tst/lib/create.badpropsize.c
new file mode 100644
index 0000000000..d5fefd3764
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/create.badpropsize.c
@@ -0,0 +1,63 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Validate that we can't set properties with bogus sizes.
+ */
+
+#include <stdio.h>
+#include <strings.h>
+#include <assert.h>
+#include <limits.h>
+#include <libvnd.h>
+
+int
+main(int argc, const char *argv[])
+{
+	int syserr, ret, i;
+	vnd_errno_t vnderr;
+	vnd_handle_t *vhp;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= LIBVND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	vhp = vnd_create(NULL, argv[1], argv[1], &vnderr, &syserr);
+	assert(vhp != NULL);
+	assert(vnderr == 0);
+	assert(syserr == 0);
+
+	for (i = 0; i < VND_PROP_MAX; i++) {
+		ret = vnd_prop_get(vhp, i, NULL, INT32_MAX);
+		assert(ret == -1);
+		assert(vnd_errno(vhp) == VND_E_BADPROPSIZE);
+		assert(vnd_syserrno(vhp) == 0);
+
+		ret = vnd_prop_set(vhp, i, NULL, INT32_MAX);
+		assert(ret == -1);
+		assert(vnd_errno(vhp) == VND_E_BADPROPSIZE);
+		assert(vnd_syserrno(vhp) == 0);
+	}
+
+	vnd_close(vhp);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/lib/create.badzone.c b/usr/src/cmd/vndadm/test/tst/lib/create.badzone.c
new file mode 100644
index 0000000000..30f9612963
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/create.badzone.c
@@ -0,0 +1,43 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Make sure that we can't create something in the context of a zone that
+ * doesn't exist.
+ */
+
+#include <assert.h>
+#include <sys/zone.h>
+#include <string.h>
+#include <libvnd.h>
+
+int
+main(void)
+{
+	int syserr;
+	vnd_errno_t vnderr;
+	char zname[ZONENAME_MAX+4];
+	vnd_handle_t *vhp;
+
+	(void) memset(zname, 'a', sizeof (zname));
+	zname[ZONENAME_MAX+3] = '\0';
+
+	vhp = vnd_create(zname, "foobar", "foobar", &vnderr, &syserr);
+	assert(vhp == NULL);
+	assert(vnderr == VND_E_NOZONE);
+	assert(syserr == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/lib/create.basic.c b/usr/src/cmd/vndadm/test/tst/lib/create.basic.c
new file mode 100644
index 0000000000..5335f8cbb4
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/create.basic.c
@@ -0,0 +1,49 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Simple create and destroy.
+ */
+
+#include <stdio.h>
+#include <strings.h>
+#include <assert.h>
+#include <libvnd.h>
+
+int
+main(int argc, const char *argv[])
+{
+	int syserr;
+	vnd_errno_t vnderr;
+	vnd_handle_t *vhp;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= LIBVND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	vhp = vnd_create(NULL, argv[1], argv[1], &vnderr, &syserr);
+	assert(vhp != NULL);
+	assert(vnderr == 0);
+	assert(syserr == 0);
+	vnd_close(vhp);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/lib/create.enomem.c b/usr/src/cmd/vndadm/test/tst/lib/create.enomem.c
new file mode 100644
index 0000000000..9203e369ae
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/create.enomem.c
@@ -0,0 +1,91 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Verify that we can't allocate a handle when in an ENOMEM situation.
+ */
+
+#include <procfs.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/sysmacros.h>
+#include <assert.h>
+#include <strings.h>
+
+#include <libvnd.h>
+
+int
+main(int argc, const char *argv[])
+{
+	int fd;
+	int syserr;
+	vnd_errno_t vnderr;
+	vnd_handle_t *vhp;
+	pstatus_t status;
+	void *addr;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= LIBVND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	fd = open("/proc/self/status", O_RDONLY);
+	if (fd < 0)
+		exit(1);
+	if (read(fd, &status, sizeof (status)) != sizeof (status))
+		exit(1);
+
+	addr = mmap((caddr_t)P2ROUNDUP(status.pr_brkbase +
+	    status.pr_brksize, 0x1000), 0x1000,
+	    PROT_READ, MAP_ANON | MAP_FIXED | MAP_PRIVATE, -1, 0);
+	if (addr == (void *)-1) {
+		perror("mmap");
+		exit(1);
+	}
+
+	/* malloc an approximate size of the vnd_handle_t */
+	for (;;) {
+		void *buf;
+
+		buf = malloc(8);
+		if (buf == NULL)
+			break;
+	}
+
+	for (;;) {
+		void *buf;
+
+		buf = malloc(4);
+		if (buf == NULL)
+			break;
+	}
+
+	vhp = vnd_create(NULL, argv[1], argv[1], &vnderr, &syserr);
+	assert(vhp == NULL);
+	assert(vnderr == VND_E_NOMEM);
+	assert(syserr == 0);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/lib/create.frameioeagain.c b/usr/src/cmd/vndadm/test/tst/lib/create.frameioeagain.c
new file mode 100644
index 0000000000..6cb14fb7df
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/create.frameioeagain.c
@@ -0,0 +1,80 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Create a datalink, set it to non-blocking mode and ensure that we get EAGAIN
+ * from frame I/O calls. Note that if this test is not plumbed up over an
+ * etherstub, then it is likely that other traffic will appear on the device and
+ * this will fail. Note that the test suite always creates these devices over an
+ * etherstub.
+ */
+
+#include <stdio.h>
+#include <strings.h>
+#include <assert.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <libvnd.h>
+
+int
+main(int argc, const char *argv[])
+{
+	int syserr, ret, fd;
+	vnd_errno_t vnderr;
+	vnd_handle_t *vhp;
+	frameio_t *fio;
+	char buf[1520];
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= LIBVND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	vhp = vnd_create(NULL, argv[1], argv[1], &vnderr, &syserr);
+	assert(vhp != NULL);
+	assert(vnderr == 0);
+	assert(syserr == 0);
+
+	fd = vnd_pollfd(vhp);
+	ret = fcntl(fd, F_SETFL, O_NONBLOCK);
+	assert(ret == 0);
+
+	fio = malloc(sizeof (frameio_t) +
+	    sizeof (framevec_t));
+	assert(fio != NULL);
+	fio->fio_version = FRAMEIO_CURRENT_VERSION;
+	fio->fio_nvpf = 1;
+	fio->fio_nvecs = 1;
+
+	fio->fio_vecs[0].fv_buf = buf;
+	fio->fio_vecs[0].fv_buflen = sizeof (buf);
+
+	ret = vnd_frameio_read(vhp, fio);
+	(void) printf("%d, %d\n", ret, errno);
+	assert(ret == -1);
+	assert(errno == EAGAIN);
+
+	vnd_close(vhp);
+	free(fio);
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/lib/create.open.c b/usr/src/cmd/vndadm/test/tst/lib/create.open.c
new file mode 100644
index 0000000000..9cb1d7e40e
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/create.open.c
@@ -0,0 +1,56 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Make sure we can open a created datalink.
+ */
+
+#include <stdio.h>
+#include <strings.h>
+#include <assert.h>
+#include <libvnd.h>
+
+int
+main(int argc, const char *argv[])
+{
+	int syserr;
+	vnd_errno_t vnderr;
+	vnd_handle_t *vhp, *vhp2;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= LIBVND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	vhp = vnd_create(NULL, argv[1], argv[1], &vnderr, &syserr);
+	assert(vhp != NULL);
+	assert(vnderr == 0);
+	assert(syserr == 0);
+
+	vhp2 = vnd_open(NULL, argv[1], &vnderr, &syserr);
+	assert(vhp2 != NULL);
+	assert(vnderr == 0);
+	assert(syserr == 0);
+
+	vnd_close(vhp2);
+	vnd_close(vhp);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/lib/create.propiter.c b/usr/src/cmd/vndadm/test/tst/lib/create.propiter.c
new file mode 100644
index 0000000000..a0b46180f7
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/create.propiter.c
@@ -0,0 +1,79 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Ensure that vnd_prop_iter sees all props;
+ */
+
+#include <stdio.h>
+#include <strings.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <libvnd.h>
+
+static boolean_t *g_props;
+
+/* ARGSUSED */
+static int
+prop_cb(vnd_handle_t *vhp, vnd_prop_t prop, void *unused)
+{
+	assert(prop < VND_PROP_MAX);
+	g_props[prop] = B_TRUE;
+
+	return (0);
+}
+
+int
+main(int argc, const char *argv[])
+{
+	int syserr, i, ret;
+	vnd_errno_t vnderr;
+	vnd_handle_t *vhp;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= LIBVND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	g_props = malloc(sizeof (boolean_t) * VND_PROP_MAX);
+	if (g_props == NULL) {
+		(void) fprintf(stderr, "failed to alloc memory for %d "
+		    "boolean_t\n", VND_PROP_MAX);
+		return (1);
+	}
+	for (i = 0; i < VND_PROP_MAX; i++)
+		g_props[i] = B_FALSE;
+
+	vhp = vnd_create(NULL, argv[1], argv[1], &vnderr, &syserr);
+	assert(vhp != NULL);
+	assert(vnderr == 0);
+	assert(syserr == 0);
+
+	ret = vnd_prop_iter(vhp, prop_cb, NULL);
+	assert(ret == 0);
+
+	for (i = 0; i < VND_PROP_MAX; i++)
+		assert(g_props[i] == B_TRUE);
+
+	free(g_props);
+	vnd_close(vhp);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/lib/create.proprdonly.c b/usr/src/cmd/vndadm/test/tst/lib/create.proprdonly.c
new file mode 100644
index 0000000000..18b1f7d58d
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/create.proprdonly.c
@@ -0,0 +1,63 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Validate that we can't set read only properties
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <strings.h>
+#include <assert.h>
+#include <limits.h>
+#include <libvnd.h>
+
+int
+main(int argc, const char *argv[])
+{
+	int syserr, ret;
+	vnd_errno_t vnderr;
+	vnd_handle_t *vhp;
+	vnd_prop_buf_t vpb;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= LIBVND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	vhp = vnd_create(NULL, argv[1], argv[1], &vnderr, &syserr);
+	assert(vhp != NULL);
+	assert(vnderr == 0);
+	assert(syserr == 0);
+
+	ret = vnd_prop_get(vhp, VND_PROP_MINTU, &vpb,
+	    sizeof (vnd_prop_buf_t));
+	assert(ret == 0);
+
+	ret = vnd_prop_set(vhp, VND_PROP_MINTU, &vpb,
+	    sizeof (vnd_prop_buf_t));
+	assert(ret == -1);
+	assert(vnd_errno(vhp) == VND_E_PROPRDONLY);
+	assert(vnd_syserrno(vhp) == 0);
+
+	vnd_close(vhp);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/lib/err.badclose.c b/usr/src/cmd/vndadm/test/tst/lib/err.badclose.c
new file mode 100644
index 0000000000..8c832506a0
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/err.badclose.c
@@ -0,0 +1,33 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * This program should segfault.
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <strings.h>
+#include <assert.h>
+#include <libvnd.h>
+
+int
+main(void)
+{
+	vnd_handle_t *vhp = (void *)0x42;
+	vnd_close(vhp);
+	/* This should not be reached */
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/lib/tst.badopen.c b/usr/src/cmd/vndadm/test/tst/lib/tst.badopen.c
new file mode 100644
index 0000000000..4f67ce79ed
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/tst.badopen.c
@@ -0,0 +1,49 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Make sure we can't open a vnd device that doesn't exist
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <strings.h>
+#include <assert.h>
+#include <libvnd.h>
+
+int
+main(int argc, const char *argv[])
+{
+	int syserr;
+	vnd_errno_t vnderr;
+	vnd_handle_t *vhp;
+
+	if (argc < 2) {
+		(void) fprintf(stderr, "missing arguments...\n");
+		return (1);
+	}
+
+	if (strlen(argv[1]) >= LIBVND_NAMELEN) {
+		(void) fprintf(stderr, "vnic name too long...\n");
+		return (1);
+	}
+
+	vhp = vnd_open(NULL, argv[1], &vnderr, &syserr);
+	assert(vhp == NULL);
+	assert(vnderr == VND_E_SYS);
+	assert(syserr == ENOENT);
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/lib/tst.strerror.c b/usr/src/cmd/vndadm/test/tst/lib/tst.strerror.c
new file mode 100644
index 0000000000..a99a9ecbf6
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/tst.strerror.c
@@ -0,0 +1,30 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Verify that all the error strings we care about match what we expect.
+ */
+
+#include <stdio.h>
+#include <libvnd.h>
+
+int
+main(void)
+{
+	int i;
+	for (i = 0; i <= VND_E_UNKNOWN + 1; i++)
+		(void) printf("[%s]\n", vnd_strerror(i));
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/test/tst/lib/tst.strerror.exe.out b/usr/src/cmd/vndadm/test/tst/lib/tst.strerror.exe.out
new file mode 100644
index 0000000000..83dbcdfdb4
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/tst.strerror.exe.out
@@ -0,0 +1,37 @@
+[no error]
+[not enough memory available]
+[no such datalink]
+[datalink not of type DL_ETHER]
+[unknown dlpi failure]
+[DL_ATTACH_REQ failed]
+[DL_BIND_REQ failed]
+[DL_PROMISCON_REQ failed]
+[DLD_CAPAB_DIRECT enable failed]
+[bad datalink capability]
+[bad datalink subcapability]
+[bad dld version]
+[failed to create kstats]
+[no such vnd link]
+[netstack doesn't exist]
+[device already associated]
+[device already attached]
+[device already linked]
+[invalid name]
+[permission denied]
+[no such zone]
+[failed to initialize vnd stream module]
+[device not attached]
+[device not linked]
+[another device has the same link name]
+[failed to create minor node]
+[requested buffer size is too large]
+[requested buffer size is too small]
+[unable to obtain exclusive access to dlpi link, link busy]
+[DLD direct capability not supported over data link]
+[invalid property size]
+[invalid property]
+[property is read only]
+[unexpected system error]
+[capabilities invalid, pass-through module detected]
+[unknown error]
+[unknown error]
diff --git a/usr/src/cmd/vndadm/test/tst/lib/tst.strsyserror.c b/usr/src/cmd/vndadm/test/tst/lib/tst.strsyserror.c
new file mode 100644
index 0000000000..b95e6372e4
--- /dev/null
+++ b/usr/src/cmd/vndadm/test/tst/lib/tst.strsyserror.c
@@ -0,0 +1,50 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Verify that the error message from libvnd's strsyserrno is the same as the
+ * underlying strerror function's. It should be. We'll just check an assortment
+ * of errnos.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <libvnd.h>
+
+int
+main(void)
+{
+	int i;
+	const char *vnd, *libc;
+	for (i = 0; i < 42; i++) {
+		vnd = vnd_strsyserror(i);
+		libc = strerror(i);
+		if ((vnd != NULL && libc == NULL) ||
+		    (vnd == NULL && libc != NULL)) {
+			(void) fprintf(stderr, "errno %d, vnd: %p, libc: %p",
+			    i, (void *)vnd, (void *)libc);
+			return (1);
+		}
+		if (vnd != NULL && strcmp(vnd, libc) != 0) {
+			(void) fprintf(stderr,
+			    "errno %d: libc and vnd disagree.\n", i);
+			(void) fprintf(stderr, "vnd: %s\n", vnd);
+			(void) fprintf(stderr, "libc: %s\n", libc);
+			return (1);
+		}
+	}
+
+	return (0);
+}
diff --git a/usr/src/cmd/vndadm/vndadm.c b/usr/src/cmd/vndadm/vndadm.c
new file mode 100644
index 0000000000..6811663696
--- /dev/null
+++ b/usr/src/cmd/vndadm/vndadm.c
@@ -0,0 +1,872 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#include <errno.h>
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <assert.h>
+#include <libgen.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <zone.h>
+
+#include <libvnd.h>
+
+typedef int (*vndadm_print_t)(vnd_handle_t *, vnd_prop_t);
+typedef int (*vndadm_parse_t)(char *, void **, size_t *);
+
+typedef struct vndadm_proptbl {
+	const char *vp_name;
+	vndadm_print_t vp_print;
+	vndadm_parse_t vp_parse;
+} vndadm_proptbl_t;
+
+/*
+ * Forwards
+ */
+static int usage(const char *, ...);
+static int vndadm_print_size(vnd_handle_t *, vnd_prop_t);
+static int vndadm_print_number(vnd_handle_t *, vnd_prop_t);
+static int vndadm_parse_size(char *, void **, size_t *);
+
+/*
+ * Globals
+ */
+static char *vnd_pname;
+
+static void
+vnd_vwarn(vnd_errno_t verr, int syserr, const char *format, va_list alist)
+{
+	(void) fprintf(stderr, "%s: ", vnd_pname);
+	(void) vfprintf(stderr, format, alist);
+	if (strchr(format, '\n') == NULL) {
+		(void) fprintf(stderr, ": %s\n", verr != VND_E_SYS ?
+		    vnd_strerror(verr) : vnd_strsyserror(syserr));
+	}
+}
+
+static void
+vnd_libwarn(vnd_errno_t verr, int syserr, const char *format, ...)
+{
+	va_list alist;
+
+	va_start(alist, format);
+	vnd_vwarn(verr, syserr, format, alist);
+	va_end(alist);
+}
+
+static void
+vnd_warn(const char *format, ...)
+{
+	va_list alist;
+
+	va_start(alist, format);
+	vnd_vwarn(0, 0, format, alist);
+	va_end(alist);
+}
+
+static vndadm_proptbl_t vndadm_propname_tbl[] = {
+	{ "rxbuf", vndadm_print_size,
+		vndadm_parse_size },		/* VND_PROP_RXBUF */
+	{ "txbuf", vndadm_print_size,
+		vndadm_parse_size },		/* VND_PROP_TXBUF */
+	{ "maxsize", vndadm_print_size, NULL },	/* VND_PROP_MAXBUF */
+	{ "mintu", vndadm_print_number, NULL },	/* VND_PROP_MINTU */
+	{ "maxtu", vndadm_print_number, NULL },	/* VND_PROP_MAXTU */
+	NULL					/* VND_PROP_MAX */
+};
+
+static const char *
+vndadm_prop_to_name(vnd_prop_t prop)
+{
+	if (prop > VND_PROP_MAX)
+		return (NULL);
+
+	return (vndadm_propname_tbl[prop].vp_name);
+}
+
+static vnd_prop_t
+vndadm_name_to_prop(const char *name)
+{
+	int i;
+
+	for (i = 0; i < VND_PROP_MAX; i++) {
+		if (strcmp(name, vndadm_propname_tbl[i].vp_name) == 0)
+			return (i);
+	}
+
+	return (VND_PROP_MAX);
+}
+
+static int
+vndadm_print_size(vnd_handle_t *vhp, vnd_prop_t prop)
+{
+	vnd_prop_buf_t buf;
+
+	if (vnd_prop_get(vhp, prop, &buf, sizeof (buf)) != 0) {
+		vnd_libwarn(vnd_errno(vhp), vnd_syserrno(vhp),
+		    "failed to get property %s", vndadm_prop_to_name(prop));
+		return (1);
+	}
+
+	(void) printf("%lld", buf.vpb_size);
+	return (0);
+}
+
+static int
+vndadm_print_number(vnd_handle_t *vhp, vnd_prop_t prop)
+{
+	vnd_prop_buf_t buf;
+
+	if (vnd_prop_get(vhp, prop, &buf, sizeof (buf)) != 0) {
+		vnd_libwarn(vnd_errno(vhp), vnd_syserrno(vhp),
+		    "failed to get property %s", vndadm_prop_to_name(prop));
+		return (1);
+	}
+
+	(void) printf("%lld", buf.vpb_size);
+	return (0);
+}
+
+static int
+vndadm_parse_size(char *str, void **bufp, size_t *sizep)
+{
+	char *end;
+	unsigned long long val, orig;
+	vnd_prop_buf_t *buf;
+
+	errno = 0;
+	val = strtoull(str, &end, 10);
+	if (errno != 0) {
+		vnd_warn("%s: not a number\n", str);
+		return (1);
+	}
+
+	orig = val;
+	switch (*end) {
+	case 'g':
+	case 'G':
+		val *= 1024;
+		if (val < orig)
+			goto overflow;
+		/*FALLTHRU*/
+	case 'm':
+	case 'M':
+		val *= 1024;
+		if (val < orig)
+			goto overflow;
+		/*FALLTHRU*/
+	case 'k':
+	case 'K':
+		val *= 1024;
+		if (val < orig)
+			goto overflow;
+		end++;
+		break;
+	default:
+		break;
+	}
+
+	if (*end == 'b' || *end == 'B')
+		end++;
+	if (*end != '\0') {
+		vnd_warn("%s: not a number", str);
+		return (1);
+	}
+
+	buf = malloc(sizeof (vnd_prop_buf_t));
+	if (buf == NULL) {
+		vnd_warn("failed to allocate memory for setting a property");
+		return (1);
+	}
+
+	buf->vpb_size = val;
+	*bufp = buf;
+	*sizep = sizeof (vnd_prop_buf_t);
+
+	return (0);
+
+overflow:
+	vnd_warn("value overflowed: %s\n", str);
+	return (1);
+}
+
+static void
+vndadm_create_usage(FILE *out)
+{
+	(void) fprintf(out, "\tcreate:\t\t[-z zonename] -l datalink name\n");
+}
+
+static int
+vndadm_create(int argc, char *argv[])
+{
+	int c, syserr;
+	vnd_errno_t vnderr;
+	const char *datalink = NULL;
+	const char *linkname = NULL;
+	const char *zonename = NULL;
+	vnd_handle_t *vhp;
+
+	optind = 0;
+	while ((c = getopt(argc, argv, ":z:l:")) != -1) {
+		switch (c) {
+		case 'l':
+			datalink = optarg;
+			break;
+		case 'z':
+			zonename = optarg;
+			break;
+		case ':':
+			return (usage("-%c requires an operand\n", optopt));
+		case '?':
+			return (usage("unknown option: -%c\n", optopt));
+		default:
+			abort();
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	if (argc < 1) {
+		return (usage("missing required link name\n"));
+	} else if (argc > 1) {
+		return (usage("create: too many arguments for link name, "
+		    "pick one\n"));
+	}
+	linkname = argv[0];
+	if (datalink == NULL)
+		datalink = linkname;
+
+	vhp = vnd_create(zonename, datalink, linkname, &vnderr, &syserr);
+	if (vhp == NULL) {
+		vnd_libwarn(vnderr, syserr,
+		    "failed to create datapath link %s", linkname);
+		return (1);
+	}
+
+	vnd_close(vhp);
+	return (0);
+}
+
+static void
+vndadm_destroy_usage(FILE *out)
+{
+	(void) fprintf(out, "\tdestroy:\t[-z zonename] [link]...\n");
+}
+
+static int
+vndadm_destroy(int argc, char *argv[])
+{
+	vnd_handle_t *vhp;
+	int c, syserr;
+	vnd_errno_t vnderr;
+	const char *zonename = NULL;
+
+	optind = 0;
+	while ((c = getopt(argc, argv, ":z:")) != -1) {
+		switch (c) {
+		case 'z':
+			zonename = optarg;
+			break;
+		case ':':
+			return (usage("-%c requires an operand\n", optopt));
+		case '?':
+			return (usage("unknown option: -%c\n", optopt));
+		default:
+			abort();
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	if (argc != 1) {
+		return (usage("extraneous arguments\n"));
+	}
+
+	vhp = vnd_open(zonename, argv[0], &vnderr, &syserr);
+	if (vhp == NULL) {
+		vnd_libwarn(vnderr, syserr, "failed to open link: %s", argv[0]);
+		return (1);
+	}
+
+	if (vnd_unlink(vhp) != 0) {
+		vnd_libwarn(vnd_errno(vhp), vnd_syserrno(vhp),
+		    "failed to destroy link %s", argv[0]);
+		return (1);
+	}
+
+	vnd_close(vhp);
+	return (0);
+}
+
+static void
+vndadm_list_usage(FILE *out)
+{
+	(void) fprintf(out, "\tlist:\t\t[-p] [-d delim] [-o field,...] "
+	    "[-z zonename] [link]...\n");
+}
+
+#define	VNDADM_LIST_NFIELDS	3
+
+typedef struct vndadm_list_cb {
+	int vsc_argc;
+	char **vsc_argv;
+	int vsc_found;
+	boolean_t vsc_parse;
+	const char *vsc_delim;
+	int vsc_order[VNDADM_LIST_NFIELDS];
+	int vsc_last;
+	zoneid_t vsc_zid;
+} vndadm_list_cb_t;
+
+typedef struct vndadm_list_field {
+	const char *vlf_name;
+	const char *vlf_header;
+	int vlf_size;
+	void (*vlf_print)(struct vndadm_list_field *, vnd_info_t *, boolean_t);
+	void (*vlf_parse)(struct vndadm_list_field *, vnd_info_t *, boolean_t);
+} vndadm_list_field_t;
+
+static void
+vlf_print_link(vndadm_list_field_t *vlfp, vnd_info_t *viip,
+    boolean_t last)
+{
+	if (last == B_TRUE) {
+		(void) printf("%s", viip->vi_name);
+	} else {
+		(void) printf("%-*s", vlfp->vlf_size, viip->vi_name);
+	}
+}
+
+/* ARGSUSED */
+static void
+vlf_parse_link(vndadm_list_field_t *vlfp, vnd_info_t *viip,
+    boolean_t last)
+{
+	(void) printf("%s", viip->vi_name);
+}
+
+static void
+vlf_print_datalink(vndadm_list_field_t *vlfp, vnd_info_t *viip,
+    boolean_t last)
+{
+	if (last == B_TRUE) {
+		(void) printf("%s", viip->vi_datalink);
+	} else {
+		(void) printf("%-*s", vlfp->vlf_size, viip->vi_datalink);
+	}
+}
+
+/* ARGSUSED */
+static void
+vlf_parse_datalink(vndadm_list_field_t *vlfp, vnd_info_t *viip,
+    boolean_t last)
+{
+	(void) printf("%s", viip->vi_datalink);
+}
+
+static void
+vlf_print_zone(vndadm_list_field_t *vlfp, vnd_info_t *viip,
+    boolean_t last)
+{
+	char buf[ZONENAME_MAX];
+
+	if (getzonenamebyid(viip->vi_zone, buf, sizeof (buf)) <= 0)
+		(void) strlcpy(buf, "<unknown>", sizeof (buf));
+
+	if (last == B_TRUE) {
+		(void) printf("%s", buf);
+	} else {
+		(void) printf("%-*s", vlfp->vlf_size, buf);
+	}
+}
+
+/* ARGSUSED */
+static void
+vlf_parse_zone(vndadm_list_field_t *vlfp, vnd_info_t *viip,
+    boolean_t last)
+{
+	char buf[ZONENAME_MAX];
+
+	if (getzonenamebyid(viip->vi_zone, buf, sizeof (buf)) <= 0)
+		(void) strlcpy(buf, "<unknown>", sizeof (buf));
+
+	(void) printf("%s", buf);
+}
+
+static vndadm_list_field_t vlf_tbl[] = {
+	{ "name", "NAME", 16, vlf_print_link, vlf_parse_link },
+	{ "datalink", "DATALINK", 16, vlf_print_datalink, vlf_parse_datalink },
+	{ "zone", "ZONENAME", 32, vlf_print_zone, vlf_parse_zone },
+	{ NULL }
+};
+
+
+static int
+vndadm_list_f(vnd_info_t *viip, void *arg)
+{
+	int i;
+	boolean_t found;
+	vndadm_list_cb_t *vscp = arg;
+
+	if (vscp->vsc_zid != ALL_ZONES && vscp->vsc_zid != viip->vi_zone)
+		return (0);
+
+	if (vscp->vsc_argc != 0) {
+		found = B_FALSE;
+		for (i = 0; i < vscp->vsc_argc; i++) {
+			if (strcmp(viip->vi_name, vscp->vsc_argv[i]) == 0) {
+				found = B_TRUE;
+				break;
+			}
+		}
+		if (found == B_FALSE)
+			return (0);
+		vscp->vsc_found++;
+	}
+
+	for (i = 0; i < VNDADM_LIST_NFIELDS && vscp->vsc_order[i] != -1; i++) {
+		boolean_t last = i == vscp->vsc_last;
+		if (vscp->vsc_parse == B_TRUE)
+			vlf_tbl[vscp->vsc_order[i]].vlf_parse(
+			    &vlf_tbl[vscp->vsc_order[i]], viip, last);
+		else
+			vlf_tbl[vscp->vsc_order[i]].vlf_print(
+			    &vlf_tbl[vscp->vsc_order[i]], viip, last);
+
+		if (last == B_FALSE)
+			(void) printf("%s", vscp->vsc_delim);
+	}
+	(void) printf("\n");
+
+	return (0);
+}
+
+static int
+vndadm_list(int argc, char *argv[])
+{
+	int c, i, syserr;
+	vnd_errno_t vnderr;
+	boolean_t parse = B_FALSE;
+	const char *zonename = NULL, *delim = NULL;
+	char *fields = NULL;
+	vndadm_list_cb_t vsc;
+
+	optind = 0;
+	while ((c = getopt(argc, argv, ":pd:o:z:")) != -1) {
+		switch (c) {
+		case 'p':
+			parse = B_TRUE;
+			break;
+		case 'd':
+			delim = optarg;
+			break;
+		case 'o':
+			fields = optarg;
+			break;
+		case 'z':
+			zonename = optarg;
+			break;
+		case ':':
+			return (usage("-%c requires an operand\n", optopt));
+		case '?':
+			return (usage("unknown option: -%c\n", optopt));
+		default:
+			abort();
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	vsc.vsc_argc = argc;
+	vsc.vsc_argv = argv;
+	vsc.vsc_found = 0;
+	if (zonename != NULL) {
+		vsc.vsc_zid = getzoneidbyname(zonename);
+		if (vsc.vsc_zid == -1) {
+			vnd_warn("no such zone: %s\n", zonename);
+			return (1);
+		}
+	} else {
+		vsc.vsc_zid = ALL_ZONES;
+	}
+
+	/* Sanity check parseable related stuff */
+	if (delim != NULL && parse == B_FALSE) {
+		return (usage("-d cannot be used without -p\n"));
+	}
+
+	if (parse == B_TRUE && fields == NULL) {
+		return (usage("-p cannot be used without -o\n"));
+	}
+
+	/* validate our fields, if any */
+	if (fields != NULL) {
+		char *c, *n;
+		int floc = 0;
+
+		c = fields;
+		for (;;) {
+			if (floc >= VNDADM_LIST_NFIELDS) {
+				return (usage("too many fields specified "
+				    "for -o\n"));
+			}
+
+			n = strchr(c, ',');
+			if (n != NULL)
+				*n = '\0';
+
+			for (i = 0; i < VNDADM_LIST_NFIELDS; i++) {
+				if (strcasecmp(c, vlf_tbl[i].vlf_name) == 0)
+					break;
+			}
+			if (i == VNDADM_LIST_NFIELDS) {
+				vnd_warn("invalid field for -o: %s\nvalid "
+				    "fields are:", c);
+				for (i = 0; i < VNDADM_LIST_NFIELDS; i++)
+					vnd_warn(" %s", vlf_tbl[i].vlf_name);
+				vnd_warn("\n");
+				return (usage(NULL));
+			}
+			vsc.vsc_order[floc] = i;
+			floc++;
+
+			if (n == NULL)
+				break;
+			c = n + 1;
+		}
+
+		vsc.vsc_last = floc - 1;
+		while (floc < VNDADM_LIST_NFIELDS)
+			vsc.vsc_order[floc++] = -1;
+	} else {
+		vsc.vsc_order[0] = 0;
+		vsc.vsc_order[1] = 1;
+		vsc.vsc_order[2] = 2;
+	}
+
+	vsc.vsc_parse = parse;
+	vsc.vsc_delim = delim;
+	if (vsc.vsc_delim == NULL)
+		vsc.vsc_delim = " ";
+
+	if (vsc.vsc_parse != B_TRUE)  {
+		for (i = 0; i < VNDADM_LIST_NFIELDS && vsc.vsc_order[i] != -1;
+		    i++) {
+			if (i + 1 == VNDADM_LIST_NFIELDS) {
+				(void) printf("%s\n",
+				    vlf_tbl[vsc.vsc_order[i]].vlf_header);
+				continue;
+			}
+			(void) printf("%-*s ",
+			    vlf_tbl[vsc.vsc_order[i]].vlf_size,
+			    vlf_tbl[vsc.vsc_order[i]].vlf_header);
+		}
+	}
+
+	if (vnd_walk(vndadm_list_f, &vsc, &vnderr, &syserr) != 0) {
+		vnd_libwarn(vnderr, syserr, "failed to walk vnd links");
+		return (1);
+	}
+
+	if (argc > 0 && vsc.vsc_found == 0) {
+		vnd_warn("no links matched requested names\n");
+		return (1);
+	}
+
+	return (0);
+}
+
+typedef struct vndadm_get {
+	boolean_t vg_parse;
+	const char *vg_delim;
+	const char *vg_link;
+	int vg_argc;
+	char **vg_argv;
+} vndadm_get_t;
+
+static int
+vndadm_get_cb(vnd_handle_t *vhp, vnd_prop_t prop, void *arg)
+{
+	boolean_t writeable;
+	const char *perm;
+	vndadm_get_t *vgp = arg;
+	const char *name = vndadm_prop_to_name(prop);
+
+	/* Verify if this is a prop we're supposed to print */
+	if (vgp->vg_argc > 0) {
+		int i;
+		boolean_t found = B_FALSE;
+		for (i = 0; i < vgp->vg_argc; i++) {
+			if (strcmp(name, vgp->vg_argv[i]) == 0) {
+				found = B_TRUE;
+				break;
+			}
+		}
+		if (found == B_FALSE)
+			return (0);
+	}
+
+	if (vnd_prop_writeable(prop, &writeable) != 0)
+		abort();
+
+	perm = writeable ? "rw" : "r-";
+
+	if (vgp->vg_parse == B_TRUE) {
+		(void) printf("%s%s%s%s%s%s", vgp->vg_link, vgp->vg_delim,
+		    name, vgp->vg_delim, perm, vgp->vg_delim);
+	} else {
+		(void) printf("%-13s %-16s %-5s ", vgp->vg_link, name, perm);
+	}
+
+	if (vndadm_propname_tbl[prop].vp_print != NULL) {
+		if (vndadm_propname_tbl[prop].vp_print(vhp, prop) != 0)
+			return (1);
+	} else {
+		(void) printf("-");
+	}
+	(void) printf("\n");
+	return (0);
+}
+
+static int
+vndadm_get(int argc, char *argv[])
+{
+	vnd_handle_t *vhp;
+	boolean_t parse = B_FALSE;
+	vndadm_get_t vg;
+	int c, syserr;
+	vnd_errno_t vnderr;
+	const char *zonename = NULL, *delim = NULL;
+
+	if (argc <= 0) {
+		return (usage("get requires a link name\n"));
+	}
+
+	optind = 0;
+	while ((c = getopt(argc, argv, ":pd:z:")) != -1) {
+		switch (c) {
+		case 'p':
+			parse = B_TRUE;
+			break;
+		case 'd':
+			delim = optarg;
+			break;
+		case 'z':
+			zonename = optarg;
+			break;
+		case ':':
+			return (usage("-%c requires an operand\n", optopt));
+		case '?':
+			return (usage("unknown option: -%c\n", optopt));
+		default:
+			abort();
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	if (argc < 1) {
+		return (usage("missing required link\n"));
+	}
+
+	vhp = vnd_open(zonename, argv[0], &vnderr, &syserr);
+	if (vhp == NULL) {
+		vnd_libwarn(vnderr, syserr, "failed to open link: %s", argv[0]);
+		return (1);
+	}
+
+	vg.vg_argc = argc - 1;
+	vg.vg_argv = argv + 1;
+	vg.vg_link = argv[0];
+	vg.vg_parse = parse;
+	vg.vg_delim = delim != NULL ? delim : " ";
+	if (vg.vg_parse == B_FALSE)
+		(void) printf("%-13s %-16s %-5s %s\n", "LINK", "PROPERTY",
+		    "PERM", "VALUE");
+
+	if (vnd_prop_iter(vhp, vndadm_get_cb, &vg) != 0)
+		return (1);
+
+	return (0);
+}
+
+static void
+vndadm_get_usage(FILE *out)
+{
+	(void) fprintf(out,
+	    "\tget:\t\t[-p] [-d delim] [-z zonename] link [prop]...\n");
+}
+
+static int
+vndadm_set(int argc, char *argv[])
+{
+	vnd_handle_t *vhp;
+	int c, i, syserr;
+	vnd_errno_t vnderr;
+	const char *zonename = NULL;
+
+	optind = 0;
+	while ((c = getopt(argc, argv, ":z:")) != -1) {
+		switch (c) {
+		case 'z':
+			zonename = optarg;
+			break;
+		case ':':
+			return (usage("-%c requires an operand\n", optopt));
+		case '?':
+			return (usage("unknown option: -%c\n", optopt));
+		default:
+			abort();
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	if (argc < 2) {
+		return (usage("missing arguments to set\n"));
+	}
+
+	vhp = vnd_open(zonename, argv[0], &vnderr, &syserr);
+	if (vhp == NULL) {
+		vnd_libwarn(vnderr, syserr, "failed to open link: %s", argv[0]);
+		return (1);
+	}
+
+	for (i = 1; i < argc; i++) {
+		char *eq, *key, *value;
+		boolean_t writeable;
+		vnd_prop_t prop;
+		void *buf;
+		size_t psize;
+		int ret;
+
+		key = argv[i];
+		eq = strchr(key, '=');
+		if (eq == NULL) {
+			vnd_warn("invalid property name=value: %s\n", key);
+			return (1);
+		}
+		*eq = '\0';
+		value = eq + 1;
+		if (*value == '\0') {
+			vnd_warn("property value required for %s\n", key);
+			return (1);
+		}
+		prop = vndadm_name_to_prop(key);
+		if (prop == VND_PROP_MAX) {
+			vnd_warn("unknown property: %s\n", key);
+			return (1);
+		}
+
+		if (vnd_prop_writeable(prop, &writeable) != 0)
+			abort();
+		if (writeable != B_TRUE) {
+			vnd_warn("property %s is read-only\n", key);
+			return (1);
+		}
+		assert(vndadm_propname_tbl[prop].vp_parse != NULL);
+
+		/*
+		 * vp_parse functions should say what explicitly is invalid. We
+		 * should indicate that the property failed.
+		 */
+		ret = vndadm_propname_tbl[prop].vp_parse(value, &buf, &psize);
+		if (ret != 0) {
+			vnd_warn("failed to set property %s\n", key);
+			return (1);
+		}
+
+		ret = vnd_prop_set(vhp, prop, buf, psize);
+		free(buf);
+		if (ret != 0) {
+			vnd_libwarn(vnd_errno(vhp), vnd_syserrno(vhp),
+			    "failed to set property %s", key);
+			return (1);
+		}
+	}
+
+	return (0);
+}
+
+static void
+vndadm_set_usage(FILE *out)
+{
+	(void) fprintf(out, "\tset:\t\t[-z zonename] link prop=val...\n");
+}
+
+typedef struct vnd_cmdtab {
+	const char *vc_name;
+	int (*vc_op)(int, char *[]);
+	void (*vc_usage)(FILE *);
+} vnd_cmdtab_t;
+
+static vnd_cmdtab_t vnd_tab[] = {
+	{ "create", vndadm_create, vndadm_create_usage },
+	{ "destroy", vndadm_destroy, vndadm_destroy_usage },
+	{ "list", vndadm_list, vndadm_list_usage },
+	{ "get", vndadm_get, vndadm_get_usage },
+	{ "set", vndadm_set, vndadm_set_usage },
+	{ NULL, NULL }
+};
+
+static int
+usage(const char *format, ...)
+{
+	vnd_cmdtab_t *tab;
+	const char *help = "usage:  %s <subcommand> <args> ...\n";
+
+	if (format != NULL) {
+		va_list alist;
+
+		va_start(alist, format);
+		(void) fprintf(stderr, "%s: ", vnd_pname);
+		(void) vfprintf(stderr, format, alist);
+		va_end(alist);
+	}
+	(void) fprintf(stderr, help, vnd_pname);
+	for (tab = vnd_tab; tab->vc_name != NULL; tab++)
+		tab->vc_usage(stderr);
+
+	return (2);
+}
+
+int
+main(int argc, char *argv[])
+{
+	vnd_cmdtab_t *tab;
+
+	vnd_pname = basename(argv[0]);
+	if (argc < 2) {
+		return (usage(NULL));
+	}
+
+	for (tab = vnd_tab; tab->vc_name != NULL; tab++) {
+		if (strcmp(argv[1], tab->vc_name) == 0) {
+			argc -= 2; argv += 2;
+			assert(argc >= 0);
+			return (tab->vc_op(argc, argv));
+		}
+	}
+
+	return (usage("unknown sub-command '%s'\n", argv[1]));
+}
diff --git a/usr/src/cmd/vndstat/Makefile b/usr/src/cmd/vndstat/Makefile
new file mode 100644
index 0000000000..c77eef3887
--- /dev/null
+++ b/usr/src/cmd/vndstat/Makefile
@@ -0,0 +1,33 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+PROG= vndstat
+
+include ../Makefile.cmd
+
+LDLIBS += -lkstat
+
+.KEEP_STATE:
+
+all: $(PROG) 
+
+install: all $(ROOTPROG)
+
+clean:
+	$(RM) $(PROG)
+
+lint:	lint_PROG
+
+include ../Makefile.targ
diff --git a/usr/src/cmd/vndstat/vndstat.c b/usr/src/cmd/vndstat/vndstat.c
new file mode 100644
index 0000000000..6f6c76fc12
--- /dev/null
+++ b/usr/src/cmd/vndstat/vndstat.c
@@ -0,0 +1,542 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
+
+#include <sys/kstat.h>
+#include <kstat.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <strings.h>
+#include <alloca.h>
+#include <signal.h>
+#include <sys/varargs.h>
+#include <sys/int_limits.h>
+#include <sys/sysmacros.h>
+
+#define	KSTAT_FIELD_USEINSTANCE		0x01
+#define	KSTAT_FIELD_NODELTA		0x02
+#define	KSTAT_FIELD_FILLER		0x04
+#define	KSTAT_FIELD_STRING		0x08
+#define	KSTAT_FIELD_UNIT		0x10
+#define	KSTAT_FIELD_LJUST		0x20
+
+typedef struct kstat_field {
+	char *ksf_header;		/* header for field */
+	char *ksf_name;			/* name of stat, if any */
+	int ksf_width;			/* width for field in output line */
+	uint32_t ksf_flags;		/* flags for this field, if any */
+	char *ksf_suffix;		/* optional suffix for units */
+	int ksf_hint;			/* index hint for field in kstat */
+} kstat_field_t;
+
+typedef struct kstat_instance {
+	char ksi_name[KSTAT_STRLEN];	/* name of the underlying kstat */
+	int ksi_instance;		/* instance identifer of this kstat */
+	kstat_t *ksi_ksp;		/* pointer to the kstat */
+	uint64_t *ksi_data[2];		/* pointer to two generations of data */
+	hrtime_t ksi_snaptime[2];	/* hrtime for data generations */
+	int ksi_gen;			/* current generation */
+	struct kstat_instance *ksi_next; /* next in instance list */
+} kstat_instance_t;
+
+const char *g_cmd = "vndstat";
+
+static void
+kstat_nicenum(uint64_t num, char *buf, size_t buflen)
+{
+	uint64_t n = num;
+	int index = 0;
+	char u;
+
+	while (n >= 1024) {
+		n /= 1024;
+		index++;
+	}
+
+	u = " KMGTPE"[index];
+
+	if (index == 0) {
+		(void) snprintf(buf, buflen, "%llu", n);
+	} else if ((num & ((1ULL << 10 * index) - 1)) == 0) {
+		/*
+		 * If this is an even multiple of the base, always display
+		 * without any decimal precision.
+		 */
+		(void) snprintf(buf, buflen, "%llu%c", n, u);
+	} else {
+		/*
+		 * We want to choose a precision that reflects the best choice
+		 * for fitting in 5 characters.  This can get rather tricky when
+		 * we have numbers that are very close to an order of magnitude.
+		 * For example, when displaying 10239 (which is really 9.999K),
+		 * we want only a single place of precision for 10.0K.  We could
+		 * develop some complex heuristics for this, but it's much
+		 * easier just to try each combination in turn.
+		 */
+		int i;
+		for (i = 2; i >= 0; i--) {
+			if (snprintf(buf, buflen, "%.*f%c", i,
+			    (double)num / (1ULL << 10 * index), u) <= 5)
+				break;
+		}
+	}
+}
+
+static void
+fatal(char *fmt, ...)
+{
+	va_list ap;
+	int error = errno;
+
+	va_start(ap, fmt);
+
+	(void) fprintf(stderr, "%s: ", g_cmd);
+	/*LINTED*/
+	(void) vfprintf(stderr, fmt, ap);
+
+	if (fmt[strlen(fmt) - 1] != '\n')
+		(void) fprintf(stderr, ": %s\n", strerror(error));
+
+	exit(EXIT_FAILURE);
+}
+
+int
+kstat_field_hint(kstat_t *ksp, kstat_field_t *field)
+{
+	kstat_named_t *nm = KSTAT_NAMED_PTR(ksp);
+	int i;
+
+	assert(ksp->ks_type == KSTAT_TYPE_NAMED);
+
+	for (i = 0; i < ksp->ks_ndata; i++) {
+		if (strcmp(field->ksf_name, nm[i].name) == 0)
+			return (field->ksf_hint = i);
+	}
+
+	fatal("could not find field '%s' in %s:%d\n",
+	    field->ksf_name, ksp->ks_name, ksp->ks_instance);
+
+	return (0);
+}
+
+int
+kstat_instances_compare(const void *lhs, const void *rhs)
+{
+	kstat_instance_t *l = *((kstat_instance_t **)lhs);
+	kstat_instance_t *r = *((kstat_instance_t **)rhs);
+	int rval;
+
+	if ((rval = strcmp(l->ksi_name, r->ksi_name)) != 0)
+		return (rval);
+
+	if (l->ksi_instance < r->ksi_instance)
+		return (-1);
+
+	if (l->ksi_instance > r->ksi_instance)
+		return (1);
+
+	return (0);
+}
+
+void
+kstat_instances_update(kstat_ctl_t *kcp, kstat_instance_t **head,
+    boolean_t (*interested)(kstat_t *))
+{
+	int ninstances = 0, i;
+	kstat_instance_t **sorted, *ksi, *next;
+	kstat_t *ksp;
+	kid_t kid;
+
+	if ((kid = kstat_chain_update(kcp)) == 0 && *head != NULL)
+		return;
+
+	if (kid == -1)
+		fatal("failed to update kstat chain");
+
+	for (ksi = *head; ksi != NULL; ksi = ksi->ksi_next)
+		ksi->ksi_ksp = NULL;
+
+	for (ksp = kcp->kc_chain; ksp != NULL; ksp = ksp->ks_next) {
+		kstat_instance_t *last = NULL;
+
+		if (!interested(ksp))
+			continue;
+
+		/*
+		 * Now look to see if we have this instance and name.  (Yes,
+		 * this is a linear search; we're assuming that this list is
+		 * modest in size.)
+		 */
+		for (ksi = *head; ksi != NULL; ksi = ksi->ksi_next) {
+			last = ksi;
+
+			if (ksi->ksi_instance != ksp->ks_instance)
+				continue;
+
+			if (strcmp(ksi->ksi_name, ksp->ks_name) != 0)
+				continue;
+
+			ksi->ksi_ksp = ksp;
+			ninstances++;
+			break;
+		}
+
+		if (ksi != NULL)
+			continue;
+
+		if ((ksi = malloc(sizeof (kstat_instance_t))) == NULL)
+			fatal("could not allocate memory for stat instance");
+
+		bzero(ksi, sizeof (kstat_instance_t));
+		(void) strlcpy(ksi->ksi_name, ksp->ks_name, KSTAT_STRLEN);
+		ksi->ksi_instance = ksp->ks_instance;
+		ksi->ksi_ksp = ksp;
+		ksi->ksi_next = NULL;
+
+		if (last == NULL) {
+			assert(*head == NULL);
+			*head = ksi;
+		} else {
+			last->ksi_next = ksi;
+		}
+
+		ninstances++;
+	}
+
+	/*
+	 * Now we know how many instances we have; iterate back over them,
+	 * pruning the stale ones and adding the active ones to a holding
+	 * array in which to sort them.
+	 */
+	sorted = (void *)alloca(ninstances * sizeof (kstat_instance_t *));
+	ninstances = 0;
+
+	for (ksi = *head; ksi != NULL; ksi = next) {
+		next = ksi->ksi_next;
+
+		if (ksi->ksi_ksp == NULL) {
+			free(ksi);
+		} else {
+			sorted[ninstances++] = ksi;
+		}
+	}
+
+	if (ninstances == 0) {
+		*head = NULL;
+		return;
+	}
+
+	qsort(sorted, ninstances, sizeof (kstat_instance_t *),
+	    kstat_instances_compare);
+
+	*head = sorted[0];
+
+	for (i = 0; i < ninstances; i++) {
+		ksi = sorted[i];
+		ksi->ksi_next = i < ninstances - 1 ? sorted[i + 1] : NULL;
+	}
+}
+
+void
+kstat_instances_read(kstat_ctl_t *kcp, kstat_instance_t *instances,
+    kstat_field_t *fields)
+{
+	kstat_instance_t *ksi;
+	int i, nfields;
+
+	for (nfields = 0; fields[nfields].ksf_header != NULL; nfields++)
+		continue;
+
+	for (ksi = instances; ksi != NULL; ksi = ksi->ksi_next) {
+		kstat_t *ksp = ksi->ksi_ksp;
+
+		if (ksp == NULL)
+			continue;
+
+		if (kstat_read(kcp, ksp, NULL) == -1) {
+			if (errno == ENXIO) {
+				/*
+				 * Our kstat has been removed since the update;
+				 * NULL it out to prevent us from trying to read
+				 * it again (and to indicate that it should not
+				 * be displayed) and drive on.
+				 */
+				ksi->ksi_ksp = NULL;
+				continue;
+			}
+
+			fatal("failed to read kstat %s:%d",
+			    ksi->ksi_name, ksi->ksi_instance);
+		}
+
+		if (ksp->ks_type != KSTAT_TYPE_NAMED) {
+			fatal("%s:%d is not a named kstat", ksi->ksi_name,
+			    ksi->ksi_instance);
+		}
+
+		if (ksi->ksi_data[0] == NULL) {
+			size_t size = nfields * sizeof (uint64_t) * 2;
+			uint64_t *data;
+
+			if ((data = malloc(size)) == NULL)
+				fatal("could not allocate memory");
+
+			bzero(data, size);
+			ksi->ksi_data[0] = data;
+			ksi->ksi_data[1] = &data[nfields];
+		}
+
+		for (i = 0; i < nfields; i++) {
+			kstat_named_t *nm = KSTAT_NAMED_PTR(ksp);
+			kstat_field_t *field = &fields[i];
+			int hint = field->ksf_hint;
+
+			if (field->ksf_name == NULL)
+				continue;
+
+			if (hint < 0 || hint >= ksp->ks_ndata ||
+			    strcmp(field->ksf_name, nm[hint].name) != 0) {
+				hint = kstat_field_hint(ksp, field);
+			}
+
+			if (field->ksf_flags & KSTAT_FIELD_STRING)
+				ksi->ksi_data[ksi->ksi_gen][i] =
+				    (uint64_t)(uintptr_t)
+				    nm[hint].value.str.addr.ptr;
+			else
+				ksi->ksi_data[ksi->ksi_gen][i] =
+				    nm[hint].value.ui64;
+		}
+
+		ksi->ksi_snaptime[ksi->ksi_gen] = ksp->ks_snaptime;
+		ksi->ksi_gen ^= 1;
+	}
+}
+
+uint64_t
+kstat_instances_delta(kstat_instance_t *ksi, int i)
+{
+	int gen = ksi->ksi_gen;
+	uint64_t delta = ksi->ksi_data[gen ^ 1][i] - ksi->ksi_data[gen][i];
+	uint64_t tdelta = ksi->ksi_snaptime[gen ^ 1] - ksi->ksi_snaptime[gen];
+
+	return (((delta * (uint64_t)NANOSEC) + (tdelta / 2)) / tdelta);
+}
+
+void
+kstat_instances_print(kstat_instance_t *instances, kstat_field_t *fields,
+    boolean_t header)
+{
+	kstat_instance_t *ksi = instances;
+	int i, nfields;
+
+	for (nfields = 0; fields[nfields].ksf_header != NULL; nfields++)
+		continue;
+
+	if (header) {
+		for (i = 0; i < nfields; i++) {
+			if (fields[i].ksf_flags & KSTAT_FIELD_LJUST) {
+				(void) printf("%s%c", fields[i].ksf_header,
+				    i < nfields - 1 ? ' ' : '\n');
+				continue;
+			}
+			(void) printf("%*s%c", fields[i].ksf_width,
+			    fields[i].ksf_header, i < nfields - 1 ? ' ' : '\n');
+		}
+	}
+
+	for (ksi = instances; ksi != NULL; ksi = ksi->ksi_next) {
+		if (ksi->ksi_snaptime[1] == 0 || ksi->ksi_ksp == NULL)
+			continue;
+
+		for (i = 0; i < nfields; i++) {
+			char trailer = i < nfields - 1 ? ' ' : '\n';
+
+			if (fields[i].ksf_flags & KSTAT_FIELD_FILLER) {
+				(void) printf("%*s%c", fields[i].ksf_width,
+				    fields[i].ksf_header, trailer);
+				continue;
+			}
+
+			if (fields[i].ksf_flags & KSTAT_FIELD_STRING) {
+				(void) printf("%*s%c", fields[i].ksf_width,
+				    (char *)(uintptr_t)ksi->ksi_data[
+				    ksi->ksi_gen ^ 1][i],
+				    trailer);
+				continue;
+			}
+
+			if (fields[i].ksf_flags & KSTAT_FIELD_UNIT) {
+				char buf[128];
+				size_t flen = fields[i].ksf_width + 1;
+				const char *suffix = "";
+
+				if (fields[i].ksf_suffix != NULL) {
+					suffix = fields[i].ksf_suffix;
+					flen -= strlen(fields[i].ksf_suffix);
+				}
+
+				kstat_nicenum(fields[i].ksf_flags &
+				    KSTAT_FIELD_NODELTA ?
+				    ksi->ksi_data[ksi->ksi_gen ^ 1][i] :
+				    kstat_instances_delta(ksi, i), buf,
+				    MIN(sizeof (buf), flen));
+				(void) printf("%*s%s%c", flen - 1, buf,
+				    suffix, trailer);
+				continue;
+			}
+
+			(void) printf("%*lld%c", fields[i].ksf_width,
+			    fields[i].ksf_flags & KSTAT_FIELD_USEINSTANCE ?
+			    ksi->ksi_instance :
+			    fields[i].ksf_flags & KSTAT_FIELD_NODELTA ?
+			    ksi->ksi_data[ksi->ksi_gen ^ 1][i] :
+			    kstat_instances_delta(ksi, i), trailer);
+		}
+	}
+}
+
+static boolean_t
+interested(kstat_t *ksp)
+{
+	const char *module = "vnd";
+	const char *class = "net";
+
+	if (strcmp(ksp->ks_module, module) != 0)
+		return (B_FALSE);
+
+	if (strcmp(ksp->ks_class, class) != 0)
+		return (B_FALSE);
+
+	return (B_TRUE);
+}
+
+/* BEGIN CSTYLED */
+char *g_usage = "Usage: vndstat [interval [count]]\n"
+    "\n"
+    "  Displays statistics for active vnd devices, with one line per device.\n"
+    "  All statistics are reported as per-second rates.\n"
+    "\n"
+    "  The columns are as follows:\n"
+    "\n"
+    "    zone   =>  name of the zone with the device\n"
+    "    name   =>  name of the vnd device\n"
+    "    rx     =>  bytes received\n"
+    "    tx     =>  bytes transmitted\n"
+    "    drops  =>  number of dropped packets\n"
+    "    txfc   =>  number of transmit flow control events\n"
+    "\n";
+/* END CSTYLED */
+
+void
+usage()
+{
+	(void) fprintf(stderr, "%s", g_usage);
+	exit(EXIT_FAILURE);
+}
+
+/*ARGSUSED*/
+void
+intr(int sig)
+{}
+
+/*ARGSUSED*/
+int
+main(int argc, char **argv)
+{
+	kstat_ctl_t *kcp;
+	kstat_instance_t *instances = NULL;
+	int i = 0;
+	int interval = 1;
+	int count = INT32_MAX;
+	struct itimerval itimer;
+	struct sigaction act;
+	sigset_t set;
+	char *endp;
+
+	kstat_field_t fields[] =  {
+		{ "name", "linkname", 6, KSTAT_FIELD_STRING },
+		{ "|", NULL, 1, KSTAT_FIELD_FILLER },
+		{ "rx B/s", "rbytes", 8, KSTAT_FIELD_UNIT, "B/s" },
+		{ "|", NULL, 1, KSTAT_FIELD_FILLER },
+		{ "tx B/s", "obytes", 8, KSTAT_FIELD_UNIT, "B/s" },
+		{ "|", NULL, 1, KSTAT_FIELD_FILLER },
+		{ "drops", "total_drops", 5 },
+		{ "txfc", "flowcontrol_events", 4 },
+		{ "|", NULL, 1, KSTAT_FIELD_FILLER },
+		{ "zone", "zonename", 36,
+			KSTAT_FIELD_STRING | KSTAT_FIELD_LJUST },
+		{ NULL }
+	};
+
+	if (argc > 1) {
+		interval = strtol(argv[1], &endp, 10);
+
+		if (*endp != '\0' || interval <= 0)
+			usage();
+	}
+
+	if (argc > 2) {
+		count = strtol(argv[2], &endp, 10);
+
+		if (*endp != '\0' || count <= 0)
+			usage();
+	}
+
+	if ((kcp = kstat_open()) == NULL)
+		fatal("could not open /dev/kstat");
+
+	(void) sigemptyset(&act.sa_mask);
+	act.sa_flags = 0;
+	act.sa_handler = intr;
+	(void) sigaction(SIGALRM, &act, NULL);
+
+	(void) sigemptyset(&set);
+	(void) sigaddset(&set, SIGALRM);
+	(void) sigprocmask(SIG_BLOCK, &set, NULL);
+
+	bzero(&itimer, sizeof (itimer));
+	itimer.it_value.tv_sec = interval;
+	itimer.it_interval.tv_sec = interval;
+
+	if (setitimer(ITIMER_REAL, &itimer, NULL) != 0) {
+		fatal("could not set timer to %d second%s", interval,
+		    interval == 1 ? "" : "s");
+	}
+
+	(void) sigemptyset(&set);
+
+	for (;;) {
+		kstat_instances_update(kcp, &instances, interested);
+		kstat_instances_read(kcp, instances, fields);
+
+		if (i++ > 0) {
+			kstat_instances_print(instances, fields,
+			    instances != NULL && instances->ksi_next == NULL ?
+			    (((i - 2) % 20) == 0) : B_TRUE);
+		}
+
+		if (i > count)
+			break;
+
+		(void) sigsuspend(&set);
+	}
+
+	/*NOTREACHED*/
+	return (0);
+}
diff --git a/usr/src/cmd/zfs/zfs_main.c b/usr/src/cmd/zfs/zfs_main.c
index ff04e3a1c6..e089d215c0 100644
--- a/usr/src/cmd/zfs/zfs_main.c
+++ b/usr/src/cmd/zfs/zfs_main.c
@@ -225,7 +225,7 @@ get_usage(zfs_help_t idx)
 		    "<filesystem|volume>@<snap>[%<snap>][,...]\n"
 		    "\tdestroy <filesystem|volume>#<bookmark>\n"));
 	case HELP_GET:
-		return (gettext("\tget [-rHp] [-d max] "
+		return (gettext("\tget [-crHp] [-d max] "
 		    "[-o \"all\" | field[,...]]\n"
 		    "\t    [-t type[,...]] [-s source[,...]]\n"
 		    "\t    <\"all\" | property[,...]> "
@@ -579,7 +579,7 @@ finish_progress(char *done)
 }
 
 /*
- * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol>
+ * zfs clone [-Fp] [-o prop=value] ... <snap> <fs | vol>
  *
  * Given an existing dataset, create a writable copy whose initial contents
  * are the same as the source.  The newly created dataset maintains a
@@ -587,12 +587,18 @@ finish_progress(char *done)
  * the clone exists.
  *
  * The '-p' flag creates all the non-existing ancestors of the target first.
+ *
+ * The '-F' flag retries the zfs_mount() operation as long as zfs_mount() is
+ * still returning EBUSY.  Any callers which specify -F should be careful to
+ * ensure that no other process has a persistent hold on the mountpoint's
+ * directory.
  */
 static int
 zfs_do_clone(int argc, char **argv)
 {
 	zfs_handle_t *zhp = NULL;
 	boolean_t parents = B_FALSE;
+	boolean_t keeptrying = B_FALSE;
 	nvlist_t *props;
 	int ret = 0;
 	int c;
@@ -601,8 +607,11 @@ zfs_do_clone(int argc, char **argv)
 		nomem();
 
 	/* check options */
-	while ((c = getopt(argc, argv, "o:p")) != -1) {
+	while ((c = getopt(argc, argv, "Fo:p")) != -1) {
 		switch (c) {
+		case 'F':
+			keeptrying = B_TRUE;
+			break;
 		case 'o':
 			if (parseprop(props, optarg) != 0)
 				return (1);
@@ -663,9 +672,14 @@ zfs_do_clone(int argc, char **argv)
 
 		clone = zfs_open(g_zfs, argv[1], ZFS_TYPE_DATASET);
 		if (clone != NULL) {
-			if (zfs_get_type(clone) != ZFS_TYPE_VOLUME)
-				if ((ret = zfs_mount(clone, NULL, 0)) == 0)
+			if (zfs_get_type(clone) != ZFS_TYPE_VOLUME) {
+				while ((ret = zfs_mount(clone, NULL, 0)) != 0) {
+					if (!keeptrying || errno != EBUSY)
+						break;
+				}
+				if (ret == 0)
 					ret = zfs_share(clone);
+			}
 			zfs_close(clone);
 		}
 	}
@@ -889,12 +903,13 @@ badusage:
 }
 
 /*
- * zfs destroy [-rRf] <fs, vol>
+ * zfs destroy [-rRfF] <fs, vol>
  * zfs destroy [-rRd] <snap>
  *
  *	-r	Recursively destroy all children
  *	-R	Recursively destroy all dependents, including clones
  *	-f	Force unmounting of any dependents
+ *	-F	Continue retrying on seeing EBUSY
  *	-d	If we can't destroy now, mark for deferred destruction
  *
  * Destroys the given dataset.  By default, it will unmount any filesystems,
@@ -904,6 +919,7 @@ badusage:
 typedef struct destroy_cbdata {
 	boolean_t	cb_first;
 	boolean_t	cb_force;
+	boolean_t cb_wait;
 	boolean_t	cb_recurse;
 	boolean_t	cb_error;
 	boolean_t	cb_doclones;
@@ -987,13 +1003,18 @@ out:
 static int
 destroy_callback(zfs_handle_t *zhp, void *data)
 {
-	destroy_cbdata_t *cb = data;
+	destroy_cbdata_t *cbp = data;
+	struct timespec ts;
+	int err = 0;
+
+	ts.tv_sec = 0;
+	ts.tv_nsec = 500 * (NANOSEC / MILLISEC);
 	const char *name = zfs_get_name(zhp);
 
-	if (cb->cb_verbose) {
-		if (cb->cb_parsable) {
+	if (cbp->cb_verbose) {
+		if (cbp->cb_parsable) {
 			(void) printf("destroy\t%s\n", name);
-		} else if (cb->cb_dryrun) {
+		} else if (cbp->cb_dryrun) {
 			(void) printf(gettext("would destroy %s\n"),
 			    name);
 		} else {
@@ -1008,13 +1029,10 @@ destroy_callback(zfs_handle_t *zhp, void *data)
 	 */
 	if (strchr(zfs_get_name(zhp), '/') == NULL &&
 	    zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
-		zfs_close(zhp);
-		return (0);
-	}
-	if (cb->cb_dryrun) {
-		zfs_close(zhp);
-		return (0);
+		goto out;
 	}
+	if (cbp->cb_dryrun)
+		goto out;
 
 	/*
 	 * We batch up all contiguous snapshots (even of different
@@ -1023,23 +1041,66 @@ destroy_callback(zfs_handle_t *zhp, void *data)
 	 * because we must delete a clone before its origin.
 	 */
 	if (zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT) {
-		fnvlist_add_boolean(cb->cb_batchedsnaps, name);
-	} else {
-		int error = zfs_destroy_snaps_nvl(g_zfs,
-		    cb->cb_batchedsnaps, B_FALSE);
-		fnvlist_free(cb->cb_batchedsnaps);
-		cb->cb_batchedsnaps = fnvlist_alloc();
-
-		if (error != 0 ||
-		    zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 ||
-		    zfs_destroy(zhp, cb->cb_defer_destroy) != 0) {
-			zfs_close(zhp);
-			return (-1);
+		fnvlist_add_boolean(cbp->cb_batchedsnaps, name);
+		goto out;
+	}
+
+	if (cbp->cb_wait)
+		libzfs_print_on_error(g_zfs, B_FALSE);
+
+	/*
+	 * Unless instructed to retry on EBUSY, bail out on the first error.
+	 * When retrying, try every 500ms until either succeeding or seeing a
+	 * non-EBUSY error code.
+	 */
+	while ((err = zfs_destroy_snaps_nvl(g_zfs,
+	    cbp->cb_batchedsnaps, B_FALSE)) != 0) {
+		if (cbp->cb_wait && libzfs_errno(g_zfs) == EZFS_BUSY) {
+			nanosleep(&ts, NULL);
+			continue;
+		}
+		(void) fprintf(stderr, "%s: %s\n",
+		    libzfs_error_action(g_zfs),
+		    libzfs_error_description(g_zfs));
+		break;
+	}
+
+	fnvlist_free(cbp->cb_batchedsnaps);
+	cbp->cb_batchedsnaps = fnvlist_alloc();
+
+	if (err != 0)
+		goto out;
+
+	while ((err = zfs_unmount(zhp, NULL,
+	    cbp->cb_force ? MS_FORCE : 0)) != 0) {
+		if (cbp->cb_wait && libzfs_errno(g_zfs) == EZFS_BUSY) {
+			(void) nanosleep(&ts, NULL);
+			continue;
 		}
+		(void) fprintf(stderr, "%s: %s\n",
+		    libzfs_error_action(g_zfs),
+		    libzfs_error_description(g_zfs));
+		break;
 	}
 
+	if (err != 0)
+		goto out;
+
+	while ((err = zfs_destroy(zhp, cbp->cb_defer_destroy)) != 0) {
+		if (cbp->cb_wait && libzfs_errno(g_zfs) == EZFS_BUSY) {
+			(void) nanosleep(&ts, NULL);
+			continue;
+		}
+		(void) fprintf(stderr, "%s: %s\n",
+		    libzfs_error_action(g_zfs),
+		    libzfs_error_description(g_zfs));
+		break;
+	}
+
+out:
+	libzfs_print_on_error(g_zfs, B_TRUE);
 	zfs_close(zhp);
-	return (0);
+	return (err);
 }
 
 static int
@@ -1195,7 +1256,7 @@ zfs_do_destroy(int argc, char **argv)
 	zfs_type_t type = ZFS_TYPE_DATASET;
 
 	/* check options */
-	while ((c = getopt(argc, argv, "vpndfrR")) != -1) {
+	while ((c = getopt(argc, argv, "vpndfFrR")) != -1) {
 		switch (c) {
 		case 'v':
 			cb.cb_verbose = B_TRUE;
@@ -1214,6 +1275,9 @@ zfs_do_destroy(int argc, char **argv)
 		case 'f':
 			cb.cb_force = B_TRUE;
 			break;
+		case 'F':
+			cb.cb_wait = B_TRUE;
+			break;
 		case 'r':
 			cb.cb_recurse = B_TRUE;
 			break;
@@ -1584,8 +1648,11 @@ zfs_do_get(int argc, char **argv)
 	cb.cb_type = ZFS_TYPE_DATASET;
 
 	/* check options */
-	while ((c = getopt(argc, argv, ":d:o:s:rt:Hp")) != -1) {
+	while ((c = getopt(argc, argv, ":d:o:s:rt:Hcp")) != -1) {
 		switch (c) {
+		case 'c':
+			libzfs_set_cachedprops(g_zfs, B_TRUE);
+			break;
 		case 'p':
 			cb.cb_literal = B_TRUE;
 			break;
@@ -3015,6 +3082,7 @@ zfs_do_list(int argc, char **argv)
 	int types = ZFS_TYPE_DATASET;
 	boolean_t types_specified = B_FALSE;
 	char *fields = NULL;
+	zprop_list_t *pl;
 	list_cbdata_t cb = { 0 };
 	char *value;
 	int limit = 0;
@@ -3126,6 +3194,18 @@ zfs_do_list(int argc, char **argv)
 	    != 0)
 		usage(B_FALSE);
 
+	/*
+	 * The default set of properties contains only properties which can be
+	 * retrieved from the set of cached properties.  If any user-specfied
+	 * properties cannot be retrieved from that set, unset the cachedprops
+	 * flags on the ZFS handle.
+	 */
+	libzfs_set_cachedprops(g_zfs, B_TRUE);
+	for (pl = cb.cb_proplist; pl != NULL; pl = pl->pl_next) {
+		if (zfs_prop_cacheable(pl->pl_prop))
+			libzfs_set_cachedprops(g_zfs, B_FALSE);
+	}
+
 	cb.cb_first = B_TRUE;
 
 	ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist,
diff --git a/usr/src/cmd/zlogin/zlogin.c b/usr/src/cmd/zlogin/zlogin.c
index 296c32be01..17ea786f42 100644
--- a/usr/src/cmd/zlogin/zlogin.c
+++ b/usr/src/cmd/zlogin/zlogin.c
@@ -22,11 +22,12 @@
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2013 DEY Storage Systems, Inc.
  * Copyright (c) 2014 Gary Mills
+ * Copyright 2015 Joyent, Inc. All rights reserved.
  * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
  */
 
 /*
- * zlogin provides three types of login which allow users in the global
+ * zlogin provides five types of login which allow users in the global
  * zone to access non-global zones.
  *
  * - "interactive login" is similar to rlogin(1); for example, the user could
@@ -42,12 +43,22 @@
  *   In this mode, zlogin sets up pipes as the communication channel, and
  *   'su' is used to do the login setup work.
  *
+ * - "interactive command" is a combination of the above two modes where
+ *   a command is provide like the non-interactive case, but the -i option is
+ *   also provided to make things interactive. For example, the user could
+ *   issue 'zlogin -i my-zone /bin/sh'. In this mode neither 'login -c' nor
+ *   'su root -c' is prepended to the command invocation. Because of this
+ *   there will be no wtmpx login record within the zone.
+ *
  * - "console login" is the equivalent to accessing the tip line for a
  *   zone.  For example, the user can issue 'zlogin -C my-zone'.
  *   In this mode, zlogin contacts the zoneadmd process via unix domain
  *   socket.  If zoneadmd is not running, it starts it.  This allows the
  *   console to be available anytime the zone is installed, regardless of
  *   whether it is running.
+ *
+ * - "standalone-processs interactive" is specified with -I and connects to
+ *   the zone's stdin, stdout and stderr zfd(7D) devices.
  */
 
 #include <sys/socket.h>
@@ -92,7 +103,8 @@
 #include <auth_attr.h>
 #include <secdb.h>
 
-static int masterfd;
+static int masterfd = -1;
+static int ctlfd = -1;
 static struct termios save_termios;
 static struct termios effective_termios;
 static int save_fd;
@@ -101,12 +113,13 @@ static volatile int dead;
 static volatile pid_t child_pid = -1;
 static int interactive = 0;
 static priv_set_t *dropprivs;
+static unsigned int connect_flags = 0;
 
 static int nocmdchar = 0;
 static int failsafe = 0;
-static int disconnect = 0;
 static char cmdchar = '~';
 static int quiet = 0;
+static char zonebrand[MAXNAMELEN];
 
 static int pollerr = 0;
 
@@ -123,10 +136,12 @@ static boolean_t forced_login = B_FALSE;
 #define	TEXT_DOMAIN	"SYS_TEST"	/* Use this only if it wasn't */
 #endif
 
-#define	SUPATH	"/usr/bin/su"
+#define	SUPATH1	"/usr/bin/su"
+#define	SUPATH2	"/bin/su"
 #define	FAILSAFESHELL	"/sbin/sh"
 #define	DEFAULTSHELL	"/sbin/sh"
 #define	DEF_PATH	"/usr/sbin:/usr/bin"
+#define	LX_DEF_PATH	"/bin:/usr/sbin:/usr/bin"
 
 #define	CLUSTER_BRAND_NAME	"cluster"
 
@@ -153,7 +168,7 @@ static boolean_t forced_login = B_FALSE;
 static void
 usage(void)
 {
-	(void) fprintf(stderr, gettext("usage: %s [ -dnQCES ] [ -e cmdchar ] "
+	(void) fprintf(stderr, gettext("usage: %s [-dinCEINQS] [-e cmdchar] "
 	    "[-l user] zonename [command [args ...] ]\n"), pname);
 	exit(2);
 }
@@ -248,19 +263,11 @@ postfork_dropprivs()
 	}
 }
 
-/*
- * Create the unix domain socket and call the zoneadmd server; handshake
- * with it to determine whether it will allow us to connect.
- */
 static int
-get_console_master(const char *zname)
+connect_zone_sock(const char *zname, const char *suffix)
 {
 	int sockfd = -1;
 	struct sockaddr_un servaddr;
-	char clientid[MAXPATHLEN];
-	char handshake[MAXPATHLEN], c;
-	int msglen;
-	int i = 0, err = 0;
 
 	if ((sockfd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
 		zperror(gettext("could not create socket"));
@@ -270,35 +277,44 @@ get_console_master(const char *zname)
 	bzero(&servaddr, sizeof (servaddr));
 	servaddr.sun_family = AF_UNIX;
 	(void) snprintf(servaddr.sun_path, sizeof (servaddr.sun_path),
-	    "%s/%s.console_sock", ZONES_TMPDIR, zname);
-
+	    "%s/%s.%s", ZONES_TMPDIR, zname, suffix);
 	if (connect(sockfd, (struct sockaddr *)&servaddr,
 	    sizeof (servaddr)) == -1) {
-		zperror(gettext("Could not connect to zone console"));
-		goto bad;
+		zperror(gettext("Could not connect to zone"));
+		close(sockfd);
+		return (-1);
 	}
-	masterfd = sockfd;
+	return (sockfd);
+}
+
+
+static int
+handshake_zone_sock(int sockfd, unsigned int flags)
+{
+	char clientid[MAXPATHLEN];
+	char handshake[MAXPATHLEN], c;
+	int msglen;
+	int i = 0, err = 0;
 
-	msglen = snprintf(clientid, sizeof (clientid), "IDENT %lu %s %d\n",
-	    getpid(), setlocale(LC_MESSAGES, NULL), disconnect);
+	msglen = snprintf(clientid, sizeof (clientid), "IDENT %s %u\n",
+	    setlocale(LC_MESSAGES, NULL), flags);
 
 	if (msglen >= sizeof (clientid) || msglen < 0) {
 		zerror("protocol error");
-		goto bad;
+		return (-1);
 	}
 
-	if (write(masterfd, clientid, msglen) != msglen) {
+	if (write(sockfd, clientid, msglen) != msglen) {
 		zerror("protocol error");
-		goto bad;
+		return (-1);
 	}
 
-	bzero(handshake, sizeof (handshake));
-
 	/*
 	 * Take care not to accumulate more than our fill, and leave room for
 	 * the NUL at the end.
 	 */
-	while ((err = read(masterfd, &c, 1)) == 1) {
+	bzero(handshake, sizeof (handshake));
+	while ((err = read(sockfd, &c, 1)) == 1) {
 		if (i >= (sizeof (handshake) - 1))
 			break;
 		if (c == '\n')
@@ -308,26 +324,48 @@ get_console_master(const char *zname)
 	}
 
 	/*
-	 * If something went wrong during the handshake we bail; perhaps
-	 * the server died off.
+	 * If something went wrong during the handshake we bail.
+	 * Perhaps the server died off.
 	 */
 	if (err == -1) {
-		zperror(gettext("Could not connect to zone console"));
-		goto bad;
+		zperror(gettext("Could not connect to zone"));
+		return (-1);
 	}
 
-	if (strncmp(handshake, "OK", sizeof (handshake)) == 0)
-		return (0);
+	if (strncmp(handshake, "OK", sizeof (handshake)) != 0) {
+		zerror(gettext("Zone is already in use by process ID %s."),
+		    handshake);
+		return (-1);
+	}
 
-	zerror(gettext("Console is already in use by process ID %s."),
-	    handshake);
-bad:
-	(void) close(sockfd);
-	masterfd = -1;
-	return (-1);
+	return (0);
 }
 
-
+static int
+send_ctl_sock(const char *buf, size_t len)
+{
+	char rbuf[BUFSIZ];
+	int i;
+	if (ctlfd == -1) {
+		return (-1);
+	}
+	if (write(ctlfd, buf, len) != len) {
+		return (-1);
+	}
+	/* read the response */
+	for (i = 0; i < (BUFSIZ - 1); i++) {
+		char c;
+		if (read(ctlfd, &c, 1) != 1 || c == '\n' || c == '\0') {
+			break;
+		}
+		rbuf[i] = c;
+	}
+	rbuf[i+1] = '\0';
+	if (strncmp("OK", rbuf, BUFSIZ) != 0) {
+		return (-1);
+	}
+	return (0);
+}
 /*
  * Routines to handle pty creation upon zone entry and to shuttle I/O back
  * and forth between the two terminals.  We also compute and store the
@@ -516,8 +554,32 @@ sigwinch(int s)
 {
 	struct winsize ws;
 
-	if (ioctl(0, TIOCGWINSZ, &ws) == 0)
-		(void) ioctl(masterfd, TIOCSWINSZ, &ws);
+	if (ioctl(0, TIOCGWINSZ, &ws) == 0) {
+		if (ctlfd != -1) {
+			char buf[BUFSIZ];
+			snprintf(buf, sizeof (buf), "TIOCSWINSZ %hu %hu\n",
+			    ws.ws_row, ws.ws_col);
+			(void) send_ctl_sock(buf, strlen(buf));
+		} else {
+			(void) ioctl(masterfd, TIOCSWINSZ, &ws);
+		}
+	}
+}
+
+/*
+ * Toggle zfd EOF mode and notify zoneadmd
+ */
+/*ARGSUSED*/
+static void
+sigusr1(int s)
+{
+	connect_flags ^= ZLOGIN_ZFD_EOF;
+	if (ctlfd != -1) {
+		char buf[BUFSIZ];
+		snprintf(buf, sizeof (buf), "SETFLAGS %u\n",
+		    connect_flags);
+		(void) send_ctl_sock(buf, strlen(buf));
+	}
 }
 
 static volatile int close_on_sig = -1;
@@ -862,28 +924,28 @@ doio(int stdin_fd, int appin_fd, int stdout_fd, int stderr_fd, int sig_fd,
 			break;
 		}
 
-		/* event from master side stdout */
-		if (pollfds[0].revents) {
-			if (pollfds[0].revents &
+		/* event from master side stderr */
+		if (pollfds[1].revents) {
+			if (pollfds[1].revents &
 			    (POLLIN | POLLRDNORM | POLLRDBAND | POLLPRI)) {
-				if (process_output(stdout_fd, STDOUT_FILENO)
+				if (process_output(stderr_fd, STDERR_FILENO)
 				    != 0)
 					break;
 			} else {
-				pollerr = pollfds[0].revents;
+				pollerr = pollfds[1].revents;
 				break;
 			}
 		}
 
-		/* event from master side stderr */
-		if (pollfds[1].revents) {
-			if (pollfds[1].revents &
+		/* event from master side stdout */
+		if (pollfds[0].revents) {
+			if (pollfds[0].revents &
 			    (POLLIN | POLLRDNORM | POLLRDBAND | POLLPRI)) {
-				if (process_output(stderr_fd, STDERR_FILENO)
+				if (process_output(stdout_fd, STDOUT_FILENO)
 				    != 0)
 					break;
 			} else {
-				pollerr = pollfds[1].revents;
+				pollerr = pollfds[0].revents;
 				break;
 			}
 		}
@@ -1053,7 +1115,7 @@ zone_login_cmd(brand_handle_t bh, const char *login)
 	 * but we're going to be very simplistic about it and break stuff
 	 * up based on spaces.  We're not even going to support any kind
 	 * of quoting or escape characters.  It's truly amazing that
-	 * there is no library function in OpenSolaris to do this for us.
+	 * there is no library function in Illumos to do this for us.
 	 */
 
 	/*
@@ -1099,7 +1161,7 @@ zone_login_cmd(brand_handle_t bh, const char *login)
  * checks).
  */
 static char **
-prep_args(brand_handle_t bh, const char *login, char **argv)
+prep_args(brand_handle_t bh, char *zonename, const char *login, char **argv)
 {
 	int argc = 0, a = 0, i, n = -1;
 	char **new_argv;
@@ -1118,29 +1180,66 @@ prep_args(brand_handle_t bh, const char *login, char **argv)
 			return (NULL);
 
 		for (i = 0; i < argc; i++) {
+			if (i > 0)
+				(void) strcat(subshell, " ");
 			(void) strcat(subshell, argv[i]);
-			(void) strcat(subshell, " ");
 		}
 
 		if (failsafe) {
 			n = 4;
-			if ((new_argv = malloc(sizeof (char *) * n)) == NULL)
-				return (NULL);
+		} else {
+			n = 6;
+		}
+
+		if ((new_argv = malloc(sizeof (char *) * n)) == NULL)
+			return (NULL);
 
+		if (failsafe) {
 			new_argv[a++] = FAILSAFESHELL;
+			new_argv[a++] = "-c";
 		} else {
-			n = 5;
-			if ((new_argv = malloc(sizeof (char *) * n)) == NULL)
+			struct stat sb;
+			char zonepath[MAXPATHLEN];
+			char supath[MAXPATHLEN];
+
+			/*
+			 * We allocated an extra slot in case our login below
+			 * is not 'root' but normally we don't take that code
+			 * path.
+			 */
+			n--;
+
+			if (zone_get_zonepath(zonename, zonepath,
+			    sizeof (zonepath)) != Z_OK) {
+				zerror(gettext("unable to determine zone "
+				    "path"));
 				return (NULL);
+			}
+
+			(void) snprintf(supath, sizeof (supath), "%s/root/%s",
+			    zonepath, SUPATH1);
+			if (stat(supath, &sb) == 0) {
+				new_argv[a++] = SUPATH1;
+			} else {
+				(void) snprintf(supath, sizeof (supath),
+				    "%s/root/%s", zonepath, SUPATH2);
+				if (stat(supath, &sb) == 0) {
+					new_argv[a++] = SUPATH2;
+				} else {
+					zerror(gettext("unable to find 'su' "
+					    "command"));
+					return (NULL);
+				}
+			}
 
-			new_argv[a++] = SUPATH;
 			if (strcmp(login, "root") != 0) {
 				new_argv[a++] = "-";
 				n++;
 			}
 			new_argv[a++] = (char *)login;
+			new_argv[a++] = "-c";
 		}
-		new_argv[a++] = "-c";
+
 		new_argv[a++] = subshell;
 		new_argv[a++] = NULL;
 		assert(a == n);
@@ -1185,6 +1284,7 @@ prep_env()
 	int e = 0, size = 1;
 	char **new_env, *estr;
 	char *term = getenv("TERM");
+	char *path;
 
 	size++;	/* for $PATH */
 	if (term != NULL)
@@ -1201,7 +1301,12 @@ prep_env()
 	if ((new_env = malloc(sizeof (char *) * size)) == NULL)
 		return (NULL);
 
-	if ((estr = add_env("PATH", DEF_PATH)) == NULL)
+	if (strcmp(zonebrand, "lx") == 0)
+		path = LX_DEF_PATH;
+	else
+		path = DEF_PATH;
+
+	if ((estr = add_env("PATH", path)) == NULL)
 		return (NULL);
 	new_env[e++] = estr;
 
@@ -1723,24 +1828,55 @@ get_username()
 	return (nptr->pw_name);
 }
 
+static boolean_t
+zlog_mode_logging(char *zonename)
+{
+	boolean_t lm = B_FALSE;
+	zone_dochandle_t handle;
+	struct zone_attrtab attr;
+
+	if ((handle = zonecfg_init_handle()) == NULL)
+		return (lm);
+
+	if (zonecfg_get_handle(zonename, handle) != Z_OK)
+		goto done;
+
+	if (zonecfg_setattrent(handle) != Z_OK)
+		goto done;
+	while (zonecfg_getattrent(handle, &attr) == Z_OK) {
+		if (strcmp("zlog-mode", attr.zone_attr_name) == 0) {
+			if (strncmp("log", attr.zone_attr_value, 3) == 0)
+				lm = B_TRUE;
+			break;
+		}
+	}
+	(void) zonecfg_endattrent(handle);
+
+done:
+	zonecfg_fini_handle(handle);
+	return (lm);
+}
+
 int
 main(int argc, char **argv)
 {
-	int arg, console = 0;
+	int arg, console = 0, imode = 0;
+	int estatus = 0;
 	zoneid_t zoneid;
 	zone_state_t st;
 	char *login = "root";
+	int iflag = 0;
 	int lflag = 0;
 	int nflag = 0;
 	char *zonename = NULL;
 	char **proc_args = NULL;
 	char **new_args, **new_env;
 	sigset_t block_cld;
+	siginfo_t si;
 	char devroot[MAXPATHLEN];
 	char *slavename, slaveshortname[MAXPATHLEN];
 	priv_set_t *privset;
 	int tmpl_fd;
-	char zonebrand[MAXNAMELEN];
 	char default_brand[MAXNAMELEN];
 	struct stat sb;
 	char kernzone[ZONENAME_MAX];
@@ -1754,7 +1890,7 @@ main(int argc, char **argv)
 	(void) getpname(argv[0]);
 	username = get_username();
 
-	while ((arg = getopt(argc, argv, "dnECR:Se:l:Q")) != EOF) {
+	while ((arg = getopt(argc, argv, "diNnECIR:Se:l:Q")) != EOF) {
 		switch (arg) {
 		case 'C':
 			console = 1;
@@ -1762,6 +1898,16 @@ main(int argc, char **argv)
 		case 'E':
 			nocmdchar = 1;
 			break;
+		case 'I':
+			/*
+			 * interactive mode is just a slight variation on the
+			 * console mode.
+			 */
+			console = 1;
+			imode = 1;
+			/* The default is HUP, disconnect on EOF */
+			connect_flags ^= ZLOGIN_ZFD_EOF;
+			break;
 		case 'R':	/* undocumented */
 			if (*optarg != '/') {
 				zerror(gettext("root path must be absolute."));
@@ -1781,15 +1927,22 @@ main(int argc, char **argv)
 			failsafe = 1;
 			break;
 		case 'd':
-			disconnect = 1;
+			connect_flags |= ZLOGIN_DISCONNECT;
 			break;
 		case 'e':
 			set_cmdchar(optarg);
 			break;
+		case 'i':
+			iflag = 1;
+			break;
 		case 'l':
 			login = optarg;
 			lflag = 1;
 			break;
+		case 'N':
+			/* NOHUP - do not send EOF */
+			connect_flags ^= ZLOGIN_ZFD_EOF;
+			break;
 		case 'n':
 			nflag = 1;
 			break;
@@ -1800,6 +1953,12 @@ main(int argc, char **argv)
 
 	if (console != 0) {
 
+		/*
+		 * The only connect option in console mode is ZLOGIN_DISCONNECT
+		 */
+		if (imode == 0)
+			connect_flags &= ZLOGIN_DISCONNECT;
+
 		if (lflag != 0) {
 			zerror(gettext(
 			    "-l may not be specified for console login"));
@@ -1826,17 +1985,27 @@ main(int argc, char **argv)
 
 	}
 
+	if (iflag != 0 && nflag != 0) {
+		zerror(gettext("-i and -n flags are incompatible"));
+		usage();
+	}
+
 	if (failsafe != 0 && lflag != 0) {
 		zerror(gettext("-l may not be specified for failsafe login"));
 		usage();
 	}
 
-	if (!console && disconnect != 0) {
+	if (!console && (connect_flags & ZLOGIN_DISCONNECT) != 0) {
 		zerror(gettext(
 		    "-d may only be specified with console login"));
 		usage();
 	}
 
+	if (imode == 0 && (connect_flags & ZLOGIN_ZFD_EOF) != 0) {
+		zerror(gettext("-N may only be specified with -I"));
+		usage();
+	}
+
 	if (optind == (argc - 1)) {
 		/*
 		 * zone name, no process name; this should be an interactive
@@ -1859,7 +2028,8 @@ main(int argc, char **argv)
 		/* zone name and process name, and possibly some args */
 		zonename = argv[optind];
 		proc_args = &argv[optind + 1];
-		interactive = 0;
+		if (iflag && isatty(STDIN_FILENO))
+			interactive = 1;
 	} else {
 		usage();
 	}
@@ -1945,10 +2115,16 @@ main(int argc, char **argv)
 	}
 
 	/*
-	 * The console is a separate case from the rest of the code; handle
-	 * it first.
+	 * The console (or standalong interactive mode) is a separate case from
+	 * the rest of the code; handle it first.
 	 */
 	if (console) {
+		int gz_stderr_fd = -1;
+		boolean_t set_raw = B_TRUE;
+
+		if (imode && zlog_mode_logging(zonename))
+			set_raw = B_FALSE;
+
 		/*
 		 * Ensure that zoneadmd for this zone is running.
 		 */
@@ -1958,15 +2134,49 @@ main(int argc, char **argv)
 		/*
 		 * Make contact with zoneadmd.
 		 */
-		if (get_console_master(zonename) == -1)
-			return (1);
+		if (!imode) {
+			masterfd = connect_zone_sock(zonename, "console_sock");
+			if (masterfd == -1) {
+				return (1);
+			}
+			if (handshake_zone_sock(masterfd,
+			    connect_flags) != 0) {
+				(void) close(masterfd);
+				return (1);
+			}
+		} else {
+			/* handshake with the control socket first */
+			ctlfd = connect_zone_sock(zonename, "server_ctl");
+			if (ctlfd == -1) {
+				return (1);
+			}
+			if (handshake_zone_sock(ctlfd,
+			    connect_flags) != 0) {
+				(void) close(ctlfd);
+				return (1);
+			}
+			/* then open the io-related sockets */
+			masterfd = connect_zone_sock(zonename, "server_out");
+			gz_stderr_fd = connect_zone_sock(zonename,
+			    "server_err");
+			if (masterfd == -1 || gz_stderr_fd == -1) {
+				(void) close(ctlfd);
+				(void) close(masterfd);
+				(void) close(gz_stderr_fd);
+				return (1);
+			}
+		}
 
-		if (!quiet)
-			(void) printf(
-			    gettext("[Connected to zone '%s' console]\n"),
-			    zonename);
+		if (!quiet) {
+			if (imode)
+				(void) printf(gettext("[Connected to zone '%s' "
+				    "interactively]\n"), zonename);
+			else
+				(void) printf(gettext("[Connected to zone '%s' "
+				    "console]\n"), zonename);
+		}
 
-		if (set_tty_rawmode(STDIN_FILENO) == -1) {
+		if (set_raw && set_tty_rawmode(STDIN_FILENO) == -1) {
 			reset_tty();
 			zperror(gettext("failed to set stdin pty to raw mode"));
 			return (1);
@@ -1975,15 +2185,25 @@ main(int argc, char **argv)
 		(void) sigset(SIGWINCH, sigwinch);
 		(void) sigwinch(0);
 
+		if (imode) {
+			/* Allow EOF mode toggling via SIGUSR1 */
+			(void) sigset(SIGUSR1, sigusr1);
+		}
+
 		/*
 		 * Run the I/O loop until we get disconnected.
 		 */
-		doio(masterfd, -1, masterfd, -1, -1, B_FALSE);
+		doio(masterfd, -1, masterfd, gz_stderr_fd, -1, B_FALSE);
 		reset_tty();
-		if (!quiet)
-			(void) printf(
-			    gettext("\n[Connection to zone '%s' console "
-			    "closed]\n"), zonename);
+		if (!quiet) {
+			if (imode)
+				(void) printf(gettext("\n[Interactive "
+				    "connection to zone '%s' closed]\n"),
+				    zonename);
+			else
+				(void) printf(gettext("\n[Connection to zone "
+				    "'%s' console closed]\n"), zonename);
+		}
 
 		return (0);
 	}
@@ -2051,11 +2271,23 @@ main(int argc, char **argv)
 		return (1);
 	}
 
-	if ((new_args = prep_args(bh, login, proc_args)) == NULL) {
-		zperror(gettext("could not assemble new arguments"));
-		brand_close(bh);
-		return (1);
+	/*
+	 * The 'interactive' parameter (-i option) indicates that we're running
+	 * a command interactively. In this case we skip prep_args so that we
+	 * don't prepend the 'su root -c' preamble to the command invocation
+	 * since the 'su' command typically will execute a setpgrp which will
+	 * disassociate the actual command from the controlling terminal that
+	 * we (zlogin) setup.
+	 */
+	if (!iflag) {
+		if ((new_args = prep_args(bh, zonename, login, proc_args))
+		    == NULL) {
+			zperror(gettext("could not assemble new arguments"));
+			brand_close(bh);
+			return (1);
+		}
 	}
+
 	/*
 	 * Get the brand specific user_cmd.  This command is used to get
 	 * a passwd(4) entry for login.
@@ -2201,6 +2433,8 @@ main(int argc, char **argv)
 			return (1);
 		}
 
+		/* Note: we're now inside the zone, can't use gettext anymore */
+
 		if (slavefd != STDERR_FILENO)
 			(void) close(STDERR_FILENO);
 
@@ -2242,8 +2476,18 @@ main(int argc, char **argv)
 		/*
 		 * In failsafe mode, we don't use login(1), so don't try
 		 * setting up a utmpx entry.
+		 *
+		 * A branded zone may have very different utmpx semantics.
+		 * At the moment, we only have two brand types:
+		 * Illumos-like (native, sn1) and Linux.  In the Illumos
+		 * case, we know exactly how to do the necessary utmpx
+		 * setup.  Fortunately for us, the Linux /bin/login is
+		 * prepared to deal with a non-initialized utmpx entry, so
+		 * we can simply skip it.  If future brands don't fall into
+		 * either category, we'll have to add a per-brand utmpx
+		 * setup hook.
 		 */
-		if (!failsafe)
+		if (!failsafe && (strcmp(zonebrand, "lx") != 0))
 			if (setup_utmpx(slaveshortname) == -1)
 				return (1);
 
@@ -2252,13 +2496,17 @@ main(int argc, char **argv)
 		 * execute the brand's login program.
 		 */
 		if (setuid(0) == -1) {
-			zperror(gettext("insufficient privilege"));
+			zperror("insufficient privilege");
 			return (1);
 		}
 
-		(void) execve(new_args[0], new_args, new_env);
-		zperror(gettext("exec failure"));
-		return (1);
+		if (iflag) {
+			(void) execve(proc_args[0], proc_args, new_env);
+		} else {
+			(void) execve(new_args[0], new_args, new_env);
+		}
+		zperror("exec failure");
+		return (ENOEXEC);
 	}
 
 	(void) ct_tmpl_clear(tmpl_fd);
@@ -2283,8 +2531,19 @@ main(int argc, char **argv)
 	if (pollerr != 0) {
 		(void) fprintf(stderr, gettext("Error: connection closed due "
 		    "to unexpected pollevents=0x%x.\n"), pollerr);
-		return (1);
+		return (EPIPE);
 	}
 
-	return (0);
+	/* reap child and get its status */
+	if (waitid(P_PID, child_pid, &si, WEXITED | WNOHANG) == -1) {
+		estatus = errno;
+	} else if (si.si_pid == 0) {
+		estatus = ECHILD;
+	} else if (si.si_code == CLD_EXITED) {
+		estatus = si.si_status;
+	} else {
+		estatus = ECONNABORTED;
+	}
+
+	return (estatus);
 }
diff --git a/usr/src/cmd/zoneadm/Makefile b/usr/src/cmd/zoneadm/Makefile
index 2b01078aec..fba7809c71 100644
--- a/usr/src/cmd/zoneadm/Makefile
+++ b/usr/src/cmd/zoneadm/Makefile
@@ -21,14 +21,18 @@
 
 #
 # Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, Joyent, Inc. All rights reserved.
 #
 
 PROG=		zoneadm
+SCRIPTS=
 MANIFEST=	zones.xml resource-mgmt.xml
 SVCMETHOD=	svc-zones svc-resource-mgmt
 
 include ../Makefile.cmd
+include ../Makefile.ctf
 
+ROOTUSRSBINSCRIPTS=     $(SCRIPTS:%=$(ROOTUSRSBIN)/%)
 ROOTMANIFESTDIR=        $(ROOTSVCSYSTEM)
 
 OBJS= zoneadm.o zfs.o
@@ -42,13 +46,14 @@ CERRWARN += -_gcc=-Wno-uninitialized
 
 .KEEP_STATE:
 
-all: $(PROG)
+all: $(PROG) $(SCRIPTS)
 
 $(PROG): $(OBJS)
 	$(LINK.c) -o $@ $(OBJS) $(LDLIBS)
 	$(POST_PROCESS)
 
-install: all $(ROOTUSRSBINPROG) $(ROOTMANIFEST) $(ROOTSVCMETHOD)
+install: all $(ROOTUSRSBINPROG) $(ROOTUSRSBINSCRIPTS) $(ROOTMANIFEST) \
+	$(ROOTSVCMETHOD)
 
 check:	$(PROG).c $(CHKMANIFEST)
 	$(CSTYLE) -pP $(SRCS:%=%)
@@ -58,7 +63,7 @@ $(POFILE): $(POFILES)
 	$(CAT) $(POFILES) > $@
 
 clean:
-	$(RM) $(OBJS) $(POFILES)
+	$(RM) $(OBJS) $(POFILES) $(SCRIPTS)
 
 lint:	lint_SRCS
 
diff --git a/usr/src/cmd/zoneadm/svc-zones b/usr/src/cmd/zoneadm/svc-zones
index 9d307835bd..30d54f5272 100644
--- a/usr/src/cmd/zoneadm/svc-zones
+++ b/usr/src/cmd/zoneadm/svc-zones
@@ -32,7 +32,7 @@
 shutdown_zones()
 {
 	zoneadm list -p | nawk -F: '{
-		if ($2 != "global") {
+		if (($5 != "lx") && ($2 != "global")) {
 			print $2
 		}
 	}'
diff --git a/usr/src/cmd/zoneadm/zfs.c b/usr/src/cmd/zoneadm/zfs.c
index d27b9c4678..78c165ffd1 100644
--- a/usr/src/cmd/zoneadm/zfs.c
+++ b/usr/src/cmd/zoneadm/zfs.c
@@ -22,7 +22,7 @@
 /*
  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2012 by Delphix. All rights reserved.
- * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2013, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -968,6 +968,7 @@ create_zfs_zonepath(char *zonepath)
 	zfs_handle_t	*zhp;
 	char		zfs_name[MAXPATHLEN];
 	nvlist_t	*props = NULL;
+	int		i;
 
 	if (path2name(zonepath, zfs_name, sizeof (zfs_name)) != Z_OK)
 		return;
@@ -1004,9 +1005,20 @@ create_zfs_zonepath(char *zonepath)
 
 	nvlist_free(props);
 
-	if (zfs_mount(zhp, NULL, 0) != 0) {
+	/*
+	 * A monitoring tool might race with us and touch the mountpoint just
+	 * as we're trying to mount, blocking the mount. We wait and retry a
+	 * few times to workaround this race.
+	 */
+	for (i = 0; i < 5; i++) {
+		if (zfs_mount(zhp, NULL, 0) == 0)
+			break;
 		(void) fprintf(stderr, gettext("cannot mount ZFS dataset %s: "
 		    "%s\n"), zfs_name, libzfs_error_description(g_zfs));
+		(void) sleep(1);
+	}
+
+	if (i >= 5) {
 		(void) zfs_destroy(zhp, B_FALSE);
 	} else {
 		if (chmod(zonepath, S_IRWXU) != 0) {
diff --git a/usr/src/cmd/zoneadm/zoneadm.c b/usr/src/cmd/zoneadm/zoneadm.c
index 6d80fcd8c3..70962d1ea3 100644
--- a/usr/src/cmd/zoneadm/zoneadm.c
+++ b/usr/src/cmd/zoneadm/zoneadm.c
@@ -22,6 +22,7 @@
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2014 Nexenta Systems, Inc. All rights reserved.
+ * Copyright 2015, Joyent Inc. All rights reserved.
  */
 
 /*
@@ -100,6 +101,7 @@ typedef struct zone_entry {
 	char		zroot[MAXPATHLEN];
 	char		zuuid[UUID_PRINTABLE_STRING_LENGTH];
 	zone_iptype_t	ziptype;
+	zoneid_t	zdid;
 } zone_entry_t;
 
 #define	CLUSTER_BRAND_NAME	"cluster"
@@ -442,6 +444,7 @@ zone_print(zone_entry_t *zent, boolean_t verbose, boolean_t parsable)
 	}
 	if (!verbose) {
 		char *cp, *clim;
+		char zdid[80];
 
 		if (!parsable) {
 			(void) printf("%s\n", zent->zname);
@@ -457,8 +460,12 @@ zone_print(zone_entry_t *zent, boolean_t verbose, boolean_t parsable)
 			(void) printf("%.*s\\:", clim - cp, cp);
 			cp = clim + 1;
 		}
-		(void) printf("%s:%s:%s:%s\n", cp, zent->zuuid, zent->zbrand,
-		    ip_type_str);
+		if (zent->zdid == -1)
+			zdid[0] = '\0';
+		else
+			(void) snprintf(zdid, sizeof (zdid), "%d", zent->zdid);
+		(void) printf("%s:%s:%s:%s:%s\n", cp, zent->zuuid, zent->zbrand,
+		    ip_type_str, zdid);
 		return;
 	}
 	if (zent->zstate_str != NULL) {
@@ -553,6 +560,22 @@ lookup_zone_info(const char *zone_name, zoneid_t zid, zone_entry_t *zent)
 		return (Z_OK);
 	}
 
+	if ((handle = zonecfg_init_handle()) == NULL) {
+		zperror2(zent->zname, gettext("could not init handle"));
+		return (Z_ERR);
+	}
+	if ((err = zonecfg_get_handle(zent->zname, handle)) != Z_OK) {
+		zperror2(zent->zname, gettext("could not get handle"));
+		zonecfg_fini_handle(handle);
+		return (Z_ERR);
+	}
+
+	if ((err = zonecfg_get_iptype(handle, &zent->ziptype)) != Z_OK) {
+		zperror2(zent->zname, gettext("could not get ip-type"));
+		zonecfg_fini_handle(handle);
+		return (Z_ERR);
+	}
+
 	/*
 	 * There is a race condition where the zone could boot while
 	 * we're walking the index file.  In this case the zone state
@@ -573,25 +596,11 @@ lookup_zone_info(const char *zone_name, zoneid_t zid, zone_entry_t *zent)
 				zent->ziptype = ZS_EXCLUSIVE;
 			else
 				zent->ziptype = ZS_SHARED;
-			return (Z_OK);
 		}
 	}
 
-	if ((handle = zonecfg_init_handle()) == NULL) {
-		zperror2(zent->zname, gettext("could not init handle"));
-		return (Z_ERR);
-	}
-	if ((err = zonecfg_get_handle(zent->zname, handle)) != Z_OK) {
-		zperror2(zent->zname, gettext("could not get handle"));
-		zonecfg_fini_handle(handle);
-		return (Z_ERR);
-	}
+	zent->zdid = zonecfg_get_did(handle);
 
-	if ((err = zonecfg_get_iptype(handle, &zent->ziptype)) != Z_OK) {
-		zperror2(zent->zname, gettext("could not get ip-type"));
-		zonecfg_fini_handle(handle);
-		return (Z_ERR);
-	}
 	zonecfg_fini_handle(handle);
 
 	return (Z_OK);
@@ -765,18 +774,22 @@ zone_print_list(zone_state_t min_state, boolean_t verbose, boolean_t parsable)
  * Retrieve a zone entry by name.  Returns NULL if no such zone exists.
  */
 static zone_entry_t *
-lookup_running_zone(const char *str)
+lookup_running_zone(const char *name)
 {
-	int i;
+	zoneid_t zid;
+	zone_entry_t *zent;
 
-	if (fetch_zents() != Z_OK)
+	if ((zid = getzoneidbyname(name)) == -1)
 		return (NULL);
 
-	for (i = 0; i < nzents; i++) {
-		if (strcmp(str, zents[i].zname) == 0)
-			return (&zents[i]);
+	if ((zent = malloc(sizeof (zone_entry_t))) == NULL)
+		return (NULL);
+
+	if (lookup_zone_info(name, zid, zent) != Z_OK) {
+		free(zent);
+		return (NULL);
 	}
-	return (NULL);
+	return (zent);
 }
 
 /*
@@ -1012,8 +1025,12 @@ validate_zonepath(char *path, int cmd_num)
 		(void) printf(gettext("WARNING: %s is on a temporary "
 		    "file system.\n"), rpath);
 	}
-	if (crosscheck_zonepaths(rpath) != Z_OK)
-		return (Z_ERR);
+	if (cmd_num != CMD_BOOT && cmd_num != CMD_REBOOT &&
+	    cmd_num != CMD_READY) {
+		/* we checked when we installed, no need to check each boot */
+		if (crosscheck_zonepaths(rpath) != Z_OK)
+			return (Z_ERR);
+	}
 	/*
 	 * Try to collect and report as many minor errors as possible
 	 * before returning, so the user can learn everything that needs
@@ -1200,6 +1217,7 @@ static int
 ready_func(int argc, char *argv[])
 {
 	zone_cmd_arg_t zarg;
+	boolean_t debug = B_FALSE;
 	int arg;
 
 	if (zonecfg_in_alt_root()) {
@@ -1208,11 +1226,14 @@ ready_func(int argc, char *argv[])
 	}
 
 	optind = 0;
-	if ((arg = getopt(argc, argv, "?")) != EOF) {
+	if ((arg = getopt(argc, argv, "?X")) != EOF) {
 		switch (arg) {
 		case '?':
 			sub_usage(SHELP_READY, CMD_READY);
 			return (optopt == '?' ? Z_OK : Z_USAGE);
+		case 'X':
+			debug = B_TRUE;
+			break;
 		default:
 			sub_usage(SHELP_READY, CMD_READY);
 			return (Z_USAGE);
@@ -1229,6 +1250,7 @@ ready_func(int argc, char *argv[])
 		return (Z_ERR);
 
 	zarg.cmd = Z_READY;
+	zarg.debug = debug;
 	if (zonecfg_call_zoneadmd(target_zone, &zarg, locale, B_TRUE) != 0) {
 		zerror(gettext("call to %s failed"), "zoneadmd");
 		return (Z_ERR);
@@ -1241,6 +1263,7 @@ boot_func(int argc, char *argv[])
 {
 	zone_cmd_arg_t zarg;
 	boolean_t force = B_FALSE;
+	boolean_t debug = B_FALSE;
 	int arg;
 
 	if (zonecfg_in_alt_root()) {
@@ -1267,7 +1290,7 @@ boot_func(int argc, char *argv[])
 	 *	zoneadm -z myzone boot -- -s -v -m verbose.
 	 */
 	optind = 0;
-	while ((arg = getopt(argc, argv, "?fs")) != EOF) {
+	while ((arg = getopt(argc, argv, "?fsX")) != EOF) {
 		switch (arg) {
 		case '?':
 			sub_usage(SHELP_BOOT, CMD_BOOT);
@@ -1279,6 +1302,9 @@ boot_func(int argc, char *argv[])
 		case 'f':
 			force = B_TRUE;
 			break;
+		case 'X':
+			debug = B_TRUE;
+			break;
 		default:
 			sub_usage(SHELP_BOOT, CMD_BOOT);
 			return (Z_USAGE);
@@ -1304,6 +1330,7 @@ boot_func(int argc, char *argv[])
 	if (verify_details(CMD_BOOT, argv) != Z_OK)
 		return (Z_ERR);
 	zarg.cmd = force ? Z_FORCEBOOT : Z_BOOT;
+	zarg.debug = debug;
 	if (zonecfg_call_zoneadmd(target_zone, &zarg, locale, B_TRUE) != 0) {
 		zerror(gettext("call to %s failed"), "zoneadmd");
 		return (Z_ERR);
@@ -1819,6 +1846,7 @@ static int
 halt_func(int argc, char *argv[])
 {
 	zone_cmd_arg_t zarg;
+	boolean_t debug = B_FALSE;
 	int arg;
 
 	if (zonecfg_in_alt_root()) {
@@ -1827,11 +1855,14 @@ halt_func(int argc, char *argv[])
 	}
 
 	optind = 0;
-	if ((arg = getopt(argc, argv, "?")) != EOF) {
+	if ((arg = getopt(argc, argv, "?X")) != EOF) {
 		switch (arg) {
 		case '?':
 			sub_usage(SHELP_HALT, CMD_HALT);
 			return (optopt == '?' ? Z_OK : Z_USAGE);
+		case 'X':
+			debug = B_TRUE;
+			break;
 		default:
 			sub_usage(SHELP_HALT, CMD_HALT);
 			return (Z_USAGE);
@@ -1857,6 +1888,7 @@ halt_func(int argc, char *argv[])
 		return (Z_ERR);
 
 	zarg.cmd = Z_HALT;
+	zarg.debug = debug;
 	return ((zonecfg_call_zoneadmd(target_zone, &zarg, locale,
 	    B_TRUE) == 0) ?  Z_OK : Z_ERR);
 }
@@ -1934,6 +1966,7 @@ static int
 reboot_func(int argc, char *argv[])
 {
 	zone_cmd_arg_t zarg;
+	boolean_t debug = B_FALSE;
 	int arg;
 
 	if (zonecfg_in_alt_root()) {
@@ -1942,11 +1975,14 @@ reboot_func(int argc, char *argv[])
 	}
 
 	optind = 0;
-	if ((arg = getopt(argc, argv, "?")) != EOF) {
+	if ((arg = getopt(argc, argv, "?X")) != EOF) {
 		switch (arg) {
 		case '?':
 			sub_usage(SHELP_REBOOT, CMD_REBOOT);
 			return (optopt == '?' ? Z_OK : Z_USAGE);
+		case 'X':
+			debug = B_TRUE;
+			break;
 		default:
 			sub_usage(SHELP_REBOOT, CMD_REBOOT);
 			return (Z_USAGE);
@@ -1981,6 +2017,7 @@ reboot_func(int argc, char *argv[])
 		return (Z_ERR);
 
 	zarg.cmd = Z_REBOOT;
+	zarg.debug = debug;
 	return ((zonecfg_call_zoneadmd(target_zone, &zarg, locale, B_TRUE) == 0)
 	    ? Z_OK : Z_ERR);
 }
@@ -2208,6 +2245,10 @@ verify_fs_special(struct zone_fstab *fstab)
 	if (strcmp(fstab->zone_fs_type, MNTTYPE_ZFS) == 0)
 		return (verify_fs_zfs(fstab));
 
+	if (strcmp(fstab->zone_fs_type, MNTTYPE_HYPRLOFS) == 0 &&
+	    strcmp(fstab->zone_fs_special, "swap") == 0)
+			return (Z_OK);
+
 	if (stat64(fstab->zone_fs_special, &st) != 0) {
 		(void) fprintf(stderr, gettext("could not verify fs "
 		    "%s: could not access %s: %s\n"), fstab->zone_fs_dir,
@@ -2611,7 +2652,6 @@ verify_handle(int cmd_num, zone_dochandle_t handle, char *argv[])
 	dladm_handle_t dh;
 	dladm_status_t status;
 	datalink_id_t linkid;
-	char errmsg[DLADM_STRSIZE];
 
 	in_alt_root = zonecfg_in_alt_root();
 	if (in_alt_root)
@@ -2694,11 +2734,6 @@ verify_handle(int cmd_num, zone_dochandle_t handle, char *argv[])
 				dladm_close(dh);
 			}
 			if (status != DLADM_STATUS_OK) {
-				(void) fprintf(stderr,
-				    gettext("WARNING: skipping network "
-				    "interface '%s': %s\n"),
-				    nwiftab.zone_nwif_physical,
-				    dladm_status2str(status, errmsg));
 				break;
 			}
 			dl_owner_zid = ALL_ZONES;
@@ -2782,6 +2817,61 @@ no_net:
 	return (return_code);
 }
 
+/*
+ * Called when readying or booting a zone.  We double check that the zone's
+ * debug ID is set and is unique.  This covers the case of pre-existing zones
+ * with no ID.  Also, its possible that a zone was migrated to this host
+ * and as a result it has a duplicate ID.  In this case we preserve the ID
+ * of the first zone we match on in the index file (since it was there before
+ * the current zone) and we assign a new unique ID to the current zone.
+ * Return true if we assigned a new ID, indicating that the zone configuration
+ * needs to be saved.
+ */
+static boolean_t
+verify_fix_did(zone_dochandle_t handle)
+{
+	zoneid_t mydid;
+	zone_entry_t zent;
+	FILE *cookie;
+	char *name;
+	boolean_t fix = B_FALSE;
+
+	mydid = zonecfg_get_did(handle);
+	if (mydid == -1) {
+		zonecfg_set_did(handle);
+		return (B_TRUE);
+	}
+
+	/* Get the full list of zones from the configuration. */
+	cookie = setzoneent();
+	while ((name = getzoneent(cookie)) != NULL) {
+		if (strcmp(target_zone, name) == 0) {
+			free(name);
+			break;	/* Once we find our entry, stop. */
+		}
+
+		if (strcmp(name, "global") == 0 ||
+		    lookup_zone_info(name, ZONE_ID_UNDEFINED, &zent) != Z_OK) {
+			free(name);
+			continue;
+		}
+
+		free(name);
+		if (zent.zdid == mydid) {
+			fix = B_TRUE;
+			break;
+		}
+	}
+	endzoneent(cookie);
+
+	if (fix) {
+		zonecfg_set_did(handle);
+		return (B_TRUE);
+	}
+
+	return (B_FALSE);
+}
+
 static int
 verify_details(int cmd_num, char *argv[])
 {
@@ -2841,6 +2931,18 @@ verify_details(int cmd_num, char *argv[])
 	if (verify_handle(cmd_num, handle, argv) != Z_OK)
 		return_code = Z_ERR;
 
+	if (cmd_num == CMD_READY || cmd_num == CMD_BOOT) {
+		int vcommit = 0, obscommit = 0;
+
+		vcommit = verify_fix_did(handle);
+		obscommit = zonecfg_fix_obsolete(handle);
+
+		if (vcommit || obscommit)
+			if (zonecfg_save(handle) != Z_OK)
+				(void) fprintf(stderr, gettext("Could not save "
+				    "updated configuration.\n"));
+	}
+
 	zonecfg_fini_handle(handle);
 	if (return_code == Z_ERR)
 		(void) fprintf(stderr,
@@ -2926,6 +3028,7 @@ install_func(int argc, char *argv[])
 	int status;
 	boolean_t do_postinstall = B_FALSE;
 	boolean_t brand_help = B_FALSE;
+	boolean_t do_dataset = B_TRUE;
 	char opts[128];
 
 	if (target_zone == NULL) {
@@ -3001,6 +3104,12 @@ install_func(int argc, char *argv[])
 			}
 			/* Ignore unknown options - may be brand specific. */
 			break;
+		case 'x':
+			if (strcmp(optarg, "nodataset") == 0) {
+				do_dataset = B_FALSE;
+				continue; /* internal arg, don't pass thru */
+			}
+			break;
 		default:
 			/* Ignore unknown options - may be brand specific. */
 			break;
@@ -3053,7 +3162,8 @@ install_func(int argc, char *argv[])
 			goto done;
 		}
 
-		create_zfs_zonepath(zonepath);
+		if (do_dataset)
+			create_zfs_zonepath(zonepath);
 	}
 
 	status = do_subproc(cmdbuf);
@@ -3863,10 +3973,10 @@ cleanup_zonepath(char *zonepath, boolean_t all)
 			 * exist if the zone was force-attached after a
 			 * migration.
 			 */
-	char		*std_entries[] = {"dev", "lu", "root",
-			    "SUNWattached.xml", NULL};
-			/* (MAXPATHLEN * 3) is for the 3 std_entries dirs */
-	char		cmdbuf[sizeof (RMCOMMAND) + (MAXPATHLEN * 3) + 64];
+	char		*std_entries[] = {"dev", "lastexited", "logs", "lu",
+			    "root", "SUNWattached.xml", NULL};
+			/* (MAXPATHLEN * 5) is for the 5 std_entries dirs */
+	char		cmdbuf[sizeof (RMCOMMAND) + (MAXPATHLEN * 5) + 64];
 
 	/*
 	 * We shouldn't need these checks but lets be paranoid since we
@@ -5016,6 +5126,7 @@ uninstall_func(int argc, char *argv[])
 		if (zonecfg_ping_zoneadmd(target_zone) == Z_OK) {
 			zone_cmd_arg_t zarg;
 			zarg.cmd = Z_NOTE_UNINSTALLING;
+			zarg.debug = B_FALSE;
 			/* we don't care too much if this fails, just plow on */
 			(void) zonecfg_call_zoneadmd(target_zone, &zarg, locale,
 			    B_TRUE);
@@ -5131,6 +5242,7 @@ mount_func(int argc, char *argv[])
 		return (Z_ERR);
 
 	zarg.cmd = force ? Z_FORCEMOUNT : Z_MOUNT;
+	zarg.debug = B_FALSE;
 	zarg.bootbuf[0] = '\0';
 	if (zonecfg_call_zoneadmd(target_zone, &zarg, locale, B_TRUE) != 0) {
 		zerror(gettext("call to %s failed"), "zoneadmd");
@@ -5152,6 +5264,7 @@ unmount_func(int argc, char *argv[])
 		return (Z_ERR);
 
 	zarg.cmd = Z_UNMOUNT;
+	zarg.debug = B_FALSE;
 	if (zonecfg_call_zoneadmd(target_zone, &zarg, locale, B_TRUE) != 0) {
 		zerror(gettext("call to %s failed"), "zoneadmd");
 		return (Z_ERR);
@@ -5373,7 +5486,7 @@ apply_func(int argc, char *argv[])
 	priv_set_t *privset;
 	zoneid_t zoneid;
 	zone_dochandle_t handle;
-	struct zone_mcaptab mcap;
+	uint64_t mcap;
 	char pool_err[128];
 
 	zoneid = getzoneid();
@@ -5464,19 +5577,12 @@ apply_func(int argc, char *argv[])
 	}
 
 	/*
-	 * If a memory cap is configured, set the cap in the kernel using
-	 * zone_setattr() and make sure the rcapd SMF service is enabled.
+	 * If a memory cap is configured, make sure the rcapd SMF service is
+	 * enabled.
 	 */
-	if (zonecfg_getmcapent(handle, &mcap) == Z_OK) {
-		uint64_t num;
+	if (zonecfg_get_aliased_rctl(handle, ALIAS_MAXPHYSMEM, &mcap) == Z_OK) {
 		char smf_err[128];
 
-		num = (uint64_t)strtoll(mcap.zone_physmem_cap, NULL, 10);
-		if (zone_setattr(zoneid, ZONE_ATTR_PHYS_MCAP, &num, 0) == -1) {
-			zerror(gettext("could not set zone memory cap"));
-			res = Z_ERR;
-		}
-
 		if (zonecfg_enable_rcapd(smf_err, sizeof (smf_err)) != Z_OK) {
 			zerror(gettext("enabling system/rcap service failed: "
 			    "%s"), smf_err);
diff --git a/usr/src/cmd/zoneadm/zones.xml b/usr/src/cmd/zoneadm/zones.xml
index 9c8e305f89..1b6f8cd49b 100644
--- a/usr/src/cmd/zoneadm/zones.xml
+++ b/usr/src/cmd/zoneadm/zones.xml
@@ -54,11 +54,19 @@
 		<service_fmri value='svc:/milestone/multi-user-server' />
 	</dependency>
 
+	<dependency
+		name='metadata'
+		type='service'
+		grouping='require_all'
+		restart_on='none'>
+		<service_fmri value='svc:/system/smartdc/metadata' />
+	</dependency>
+
 	<exec_method
 		type='method'
 		name='start'
 		exec='/lib/svc/method/svc-zones %m'
-		timeout_seconds='60'>
+		timeout_seconds='0'>
 	</exec_method>
 
 	<!--
diff --git a/usr/src/cmd/zoneadmd/Makefile b/usr/src/cmd/zoneadmd/Makefile
index 8324f7fefa..e81e4631aa 100644
--- a/usr/src/cmd/zoneadmd/Makefile
+++ b/usr/src/cmd/zoneadmd/Makefile
@@ -18,57 +18,54 @@
 #
 # CDDL HEADER END
 
-
-#
-
 #
 # Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
 # Copyright 2014 Nexenta Systems, Inc. All rights reserved.
+# Copyright (c) 2011, Joyent, Inc. All rights reserved.
 #
 
 PROG= zoneadmd
 
 include ../Makefile.cmd
+include ../Makefile.ctf
 
-ROOTCMDDIR=	$(ROOTLIB)/zones
-
-OBJS= zoneadmd.o zcons.o vplat.o
-SRCS = $(OBJS:.o=.c)
-POFILE=zoneadmd_all.po
-POFILES= $(OBJS:%.o=%.po)
+$(64ONLY)SUBDIRS= $(MACH)
+$(BUILD64)SUBDIRS += $(MACH64)
 
-CFLAGS += $(CCVERBOSE)
-CERRWARN += -_gcc=-Wno-switch
-CERRWARN += -_gcc=-Wno-parentheses
-CERRWARN += -_gcc=-Wno-uninitialized
+all	:=	TARGET = all
+install	:=	TARGET = install
+clean	:=	TARGET = clean
+clobber	:=	TARGET = clobber
+lint	:=	TARGET = lint
 
-LDLIBS += -lsocket -lzonecfg -lnsl -ldevinfo -ldevice -lnvpair \
-	-lgen -lbsm -lcontract -lzfs -luuid -lbrand -ldladm -ltsnet -ltsol \
-	-linetutil -lscf
 XGETFLAGS += -a -x zoneadmd.xcl
 
+ROOTUSRLIBZONES			= $(ROOT)/usr/lib/zones
+
 .KEEP_STATE:
 
 .PARALLEL:
 
-all: $(PROG)
+all: $(SUBDIRS)
 
 $(PROG): $(OBJS)
 	$(LINK.c) -o $@ $(OBJS) $(LDLIBS)
 	$(POST_PROCESS)
 
-install: all $(ROOTCMD)
-
-$(POFILE): $(POFILES)
-	$(RM) $@
-	$(CAT) $(POFILES) > $@
+install: $(SUBDIRS)
+	-$(RM) $(ROOTUSRLIBZONES)/$(PROG)
+	-$(LN) $(ISAEXEC) $(ROOTUSRLIBZONES)/$(PROG)
 
-clean:
-	$(RM) $(OBJS)
+$(POFILE):
 
-lint:	lint_SRCS
+clean clobebr lint:	$(SUBDIRS)
 
 check:
-	$(CSTYLE) -p -P $(SRCS:%=%)
+	$(CSTYLE) -p -P *.c
+
+$(SUBDIRS):	FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
 
 include ../Makefile.targ
diff --git a/usr/src/cmd/zoneadmd/Makefile.com b/usr/src/cmd/zoneadmd/Makefile.com
new file mode 100644
index 0000000000..c8becc3e8c
--- /dev/null
+++ b/usr/src/cmd/zoneadmd/Makefile.com
@@ -0,0 +1,70 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+
+#
+# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2014, Joyent, Inc. All rights reserved.
+#
+
+PROG= zoneadmd
+
+include ../../Makefile.cmd
+include ../../Makefile.ctf
+
+ROOTCMDDIR=	$(ROOTLIB)/zones
+
+OBJS= zoneadmd.o zcons.o zfd.o vplat.o mcap.o
+
+CFLAGS += $(CCVERBOSE)
+LDLIBS += -lsocket -lzonecfg -lnsl -ldevinfo -ldevice -lnvpair \
+	-lgen -lbsm -lcontract -lzfs -luuid -lbrand -ldladm -ltsnet -ltsol \
+	-linetutil -lproc -lscf
+
+.KEEP_STATE:
+
+%.o:    ../%.c
+	$(COMPILE.c) $<
+	$(POST_PROCESS_O)
+
+ROOTUSRLIBZONES			= $(ROOT)/usr/lib/zones
+ROOTUSRLIBZONES32		= $(ROOTUSRLIBZONES)/$(MACH32)
+ROOTUSRLIBZONES64		= $(ROOTUSRLIBZONES)/$(MACH64)
+ROOTUSRLIBZONESPROG32		= $(ROOTUSRLIBZONES32)/$(PROG)
+ROOTUSRLIBZONESPROG64		= $(ROOTUSRLIBZONES64)/$(PROG)
+$(ROOTUSRLIBZONES32)/%: $(ROOTUSRLIBZONES32) %
+	$(INS.file)
+$(ROOTUSRLIBZONES64)/%: $(ROOTUSRLIBZONES64) %
+	$(INS.file)
+$(ROOTUSRLIBZONES32):
+	$(INS.dir)
+
+all: $(PROG)
+
+$(PROG): $(OBJS)
+	$(LINK.c) -o $@ $(OBJS) $(LDLIBS)
+	$(POST_PROCESS)
+
+clean:
+	$(RM) $(OBJS)
+
+lint:
+	$(LINT.c) ../*.c $(LDLIBS)
+
+include ../../Makefile.targ
diff --git a/usr/src/cmd/zoneadmd/amd64/Makefile b/usr/src/cmd/zoneadmd/amd64/Makefile
new file mode 100644
index 0000000000..75ac51db32
--- /dev/null
+++ b/usr/src/cmd/zoneadmd/amd64/Makefile
@@ -0,0 +1,31 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright (c) 2011, Joyent, Inc. All rights reserved.
+#
+
+.KEEP_STATE:
+
+include ../Makefile.com
+include ../../Makefile.cmd.64
+
+install: all $(ROOTUSRLIBZONES64) $(ROOTUSRLIBZONESPROG64)
diff --git a/usr/src/cmd/zoneadmd/i386/Makefile b/usr/src/cmd/zoneadmd/i386/Makefile
new file mode 100644
index 0000000000..a8764e0638
--- /dev/null
+++ b/usr/src/cmd/zoneadmd/i386/Makefile
@@ -0,0 +1,30 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright (c) 2011, Joyent, Inc. All rights reserved.
+#
+
+.KEEP_STATE:
+
+include ../Makefile.com
+
+install: all $(ROOTUSRLIBZONES32) $(ROOTUSRLIBZONESPROG32)
diff --git a/usr/src/cmd/zoneadmd/mcap.c b/usr/src/cmd/zoneadmd/mcap.c
new file mode 100644
index 0000000000..16cd2dd07a
--- /dev/null
+++ b/usr/src/cmd/zoneadmd/mcap.c
@@ -0,0 +1,1182 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2014, Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * This file implements the code which runs a thread inside zoneadmd to cap
+ * the associated zone's physical memory.  A thread to do this is started
+ * when the zone boots and is halted when the zone shuts down.
+ *
+ * Because of the way that the VM system is currently implemented, there is no
+ * way to go from the bottom up (page to process to zone).  Thus, there is no
+ * obvious way to hook an rctl into the kernel's paging code to enforce a hard
+ * memory cap.  Instead, we implement a soft physical memory cap which looks
+ * at the zone's overall rss and once it is over the cap, works from the top
+ * down (zone to process to page), looking at zone processes, to determine
+ * what to try to pageout to get the zone under its memory cap.
+ *
+ * The code uses the fast, cheap, but potentially very inaccurate sum of the
+ * rss values from psinfo_t to first approximate the zone's rss and will
+ * fallback to the vm_getusage syscall to determine the zone's rss if needed.
+ * It then checks the rss against the zone's zone.max-physical-memory rctl.
+ * Once the zone goes over its cap, then this thread will work through the
+ * zone's /proc process list, Pgrab-bing each process and stepping through the
+ * address space segments attempting to use pr_memcntl(...MS_INVALCURPROC...)
+ * to pageout pages, until the zone is again under its cap.
+ *
+ * Although zone memory capping is implemented as a soft cap by this user-level
+ * thread, the interfaces around memory caps that are exposed to the user are
+ * the standard ones; an rctl and kstats.  This thread uses the rctl value
+ * to obtain the cap and works with the zone kernel code to update the kstats.
+ * If the implementation ever moves into the kernel, these exposed interfaces
+ * do not need to change.
+ *
+ * The thread adaptively sleeps, periodically checking the state of the
+ * zone.  As the zone's rss gets closer to the cap, the thread will wake up
+ * more often to check the zone's status.  Once the zone is over the cap,
+ * the thread will work to pageout until the zone is under the cap, as shown
+ * by updated vm_usage data.
+ *
+ * NOTE: The pagedata page maps (at least on x86) are not useful.  Those flags
+ * are set by hrm_setbits() and on x86 that code path is only executed by
+ *     segvn_pagelock -> hat_setstat -> hrm_setbits
+ *     segvn_softunlock -^
+ * On SPARC there is an additional code path which may make this data
+ * useful (sfmmu_ttesync), but since it is not generic, we ignore the page
+ * maps.  If we ever fix this issue, then we could generalize this mcap code to
+ * do more with the data on active pages.
+ *
+ * For debugging, touch the file {zonepath}/mcap_debug.log.  This will
+ * cause the thread to start logging its actions into that file (it may take
+ * a minute or two if the thread is currently sleeping).  Removing that
+ * file will cause logging to stop.
+ */
+
+#include <sys/mman.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <libproc.h>
+#include <limits.h>
+#include <procfs.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/priocntl.h>
+#include <dirent.h>
+#include <zone.h>
+#include <libzonecfg.h>
+#include <thread.h>
+#include <values.h>
+#include <sys/vm_usage.h>
+#include <sys/resource.h>
+#include <sys/debug.h>
+#include <synch.h>
+#include <wait.h>
+#include <libcontract.h>
+#include <libcontract_priv.h>
+#include <sys/contract/process.h>
+#include "zoneadmd.h"
+
+					/* round up to next y = 2^n */
+#define	ROUNDUP(x, y)	(((x) + ((y) - 1)) & ~((y) - 1))
+
+#define	CAP_REFRESH	((uint64_t)300 * NANOSEC) /* every 5 minutes */
+
+/*
+ * zonecfg attribute tunables for memory capping.
+ *    phys-mcap-cmd
+ *	type: string
+ *	specifies a command that can be run when over the cap
+ *    phys-mcap-no-vmusage
+ *	type: boolean
+ *	true disables vm_getusage and just uses zone's proc. rss sum
+ *    phys-mcap-no-pageout
+ *	type: boolean
+ *	true disables pageout when over
+ *    phys-mcap-no-pf-throttle
+ *	type: boolean
+ *	true disables page fault throttling when over
+ */
+#define	TUNE_CMD	"phys-mcap-cmd"
+#define	TUNE_NVMU	"phys-mcap-no-vmusage"
+#define	TUNE_NPAGE	"phys-mcap-no-pageout"
+#define	TUNE_NPFTHROT	"phys-mcap-no-pf-throttle"
+
+/*
+ * These are only used in get_mem_info but global. We always need scale_rss and
+ * prev_fast_rss to be persistent but we also have the other two global so we
+ * can easily see these with mdb.
+ */
+uint64_t	scale_rss = 0;
+uint64_t	prev_fast_rss = 0;
+uint64_t	fast_rss = 0;
+uint64_t	accurate_rss = 0;
+
+static char	zoneproc[MAXPATHLEN];
+static char	debug_log[MAXPATHLEN];
+static zoneid_t	zid;
+static mutex_t	shutdown_mx;
+static cond_t	shutdown_cv;
+static int	shutting_down = 0;
+static thread_t mcap_tid;
+static FILE	*debug_log_fp = NULL;
+static uint64_t zone_rss_cap;		/* RSS cap(KB) */
+static char	over_cmd[2 * BUFSIZ];	/* same size as zone_attr_value */
+static boolean_t skip_vmusage = B_FALSE;
+static boolean_t skip_pageout = B_FALSE;
+static boolean_t skip_pf_throttle = B_FALSE;
+
+static zlog_t	*logp;
+
+static int64_t check_suspend();
+static void get_mcap_tunables();
+
+/*
+ * Structure to hold current state about a process address space that we're
+ * working on.
+ */
+typedef struct {
+	int pr_curr;		/* the # of the mapping we're working on */
+	int pr_nmap;		/* number of mappings in address space */
+	prmap_t *pr_mapp;	/* process's map array */
+} proc_map_t;
+
+typedef struct zsd_vmusage64 {
+	id_t vmu_zoneid;
+	uint_t vmu_type;
+	id_t vmu_id;
+	/*
+	 * An amd64 kernel will align the following uint64_t members, but a
+	 * 32bit i386 process will not without help.
+	 */
+	int vmu_align_next_members_on_8_bytes;
+	uint64_t vmu_rss_all;
+	uint64_t vmu_rss_private;
+	uint64_t vmu_rss_shared;
+	uint64_t vmu_swap_all;
+	uint64_t vmu_swap_private;
+	uint64_t vmu_swap_shared;
+} zsd_vmusage64_t;
+
+/*
+ * Output a debug log message.
+ */
+/*PRINTFLIKE1*/
+static void
+debug(char *fmt, ...)
+{
+	va_list ap;
+
+	if (debug_log_fp == NULL)
+		return;
+
+	va_start(ap, fmt);
+	(void) vfprintf(debug_log_fp, fmt, ap);
+	va_end(ap);
+	(void) fflush(debug_log_fp);
+}
+
+/*
+ * Like sleep(3C) but can be interupted by cond_signal which is posted when
+ * we're shutting down the mcap thread.
+ */
+static void
+sleep_shutdown(int secs)
+{
+	timestruc_t to;
+
+	to.tv_sec = secs;
+	to.tv_nsec = 0;
+
+	(void) mutex_lock(&shutdown_mx);
+	if (!shutting_down)
+		(void) cond_reltimedwait(&shutdown_cv, &shutdown_mx, &to);
+	(void) mutex_unlock(&shutdown_mx);
+}
+
+static boolean_t
+proc_issystem(pid_t pid)
+{
+	char pc_clname[PC_CLNMSZ];
+
+	if (priocntl(P_PID, pid, PC_GETXPARMS, NULL, PC_KY_CLNAME, pc_clname,
+	    PC_KY_NULL) != -1)
+		return (strcmp(pc_clname, "SYS") == 0);
+
+	return (B_TRUE);
+}
+
+/*
+ * Fork a child that enters the zone and runs the "phys-mcap-cmd" command.
+ */
+static void
+run_over_cmd()
+{
+	int		ctfd;
+	int		err;
+	pid_t		childpid;
+	siginfo_t	info;
+	ctid_t		ct;
+
+	/*
+	 * Before we enter the zone, we need to create a new process contract
+	 * for the child, as required by zone_enter().
+	 */
+	if ((ctfd = open64("/system/contract/process/template", O_RDWR)) == -1)
+		return;
+	if (ct_tmpl_set_critical(ctfd, 0) != 0 ||
+	    ct_tmpl_set_informative(ctfd, 0) != 0 ||
+	    ct_pr_tmpl_set_fatal(ctfd, CT_PR_EV_HWERR) != 0 ||
+	    ct_pr_tmpl_set_param(ctfd, CT_PR_PGRPONLY) != 0 ||
+	    ct_tmpl_activate(ctfd) != 0) {
+		(void) close(ctfd);
+		return;
+	}
+
+	childpid = fork();
+	switch (childpid) {
+	case -1:
+		(void) ct_tmpl_clear(ctfd);
+		(void) close(ctfd);
+		break;
+	case 0:	/* Child */
+		(void) ct_tmpl_clear(ctfd);
+		(void) close(ctfd);
+		if (zone_enter(zid) == -1)
+			_exit(errno);
+		err = system(over_cmd);
+		_exit(err);
+		break;
+	default:	/* Parent */
+		if (contract_latest(&ct) == -1)
+			ct = -1;
+		(void) ct_tmpl_clear(ctfd);
+		(void) close(ctfd);
+		err = waitid(P_PID, childpid, &info, WEXITED);
+		(void) contract_abandon_id(ct);
+		if (err == -1 || info.si_status != 0)
+			debug("over_cmd failed");
+		break;
+	}
+}
+
+/*
+ * Get the next mapping.
+ */
+static prmap_t *
+nextmapping(proc_map_t *pmp)
+{
+	if (pmp->pr_mapp == NULL || pmp->pr_curr >= pmp->pr_nmap)
+		return (NULL);
+
+	return (&pmp->pr_mapp[pmp->pr_curr++]);
+}
+
+/*
+ * Initialize the proc_map_t to access the first mapping of an address space.
+ */
+static prmap_t *
+init_map(proc_map_t *pmp, pid_t pid)
+{
+	int fd;
+	int res;
+	struct stat st;
+	char pathbuf[MAXPATHLEN];
+
+	bzero(pmp, sizeof (proc_map_t));
+	pmp->pr_nmap = -1;
+
+	(void) snprintf(pathbuf, sizeof (pathbuf), "%s/%d/map", zoneproc, pid);
+	if ((fd = open(pathbuf, O_RDONLY, 0)) < 0)
+		return (NULL);
+
+redo:
+	errno = 0;
+	if (fstat(fd, &st) != 0)
+		goto done;
+
+	if ((pmp->pr_mapp = malloc(st.st_size)) == NULL) {
+		debug("cannot malloc() %ld bytes for xmap", st.st_size);
+		goto done;
+	}
+	(void) bzero(pmp->pr_mapp, st.st_size);
+
+	errno = 0;
+	if ((res = pread(fd, pmp->pr_mapp, st.st_size, 0)) != st.st_size) {
+		free(pmp->pr_mapp);
+		pmp->pr_mapp = NULL;
+		if (res > 0 || errno == E2BIG) {
+			goto redo;
+		} else {
+			debug("pid %ld cannot read xmap\n", pid);
+			goto done;
+		}
+	}
+
+	pmp->pr_nmap = st.st_size / sizeof (prmap_t);
+
+done:
+	(void) close(fd);
+	return (nextmapping(pmp));
+}
+
+/*
+ * Attempt to invalidate the entire mapping from within the given process's
+ * address space. May return nonzero with errno as:
+ *    ESRCH  - process not found
+ *    ENOMEM - segment not found
+ *    EINVAL - mapping exceeds a single segment
+ */
+static int
+pageout_mapping(pid_t pid, prmap_t *pmp)
+{
+	int res;
+
+	if (pmp->pr_mflags & MA_ISM || pmp->pr_mflags & MA_SHM)
+		return (0);
+
+	errno = 0;
+	res = syscall(SYS_rusagesys, _RUSAGESYS_INVALMAP, pid, pmp->pr_vaddr,
+	    pmp->pr_size);
+
+	return (res);
+}
+
+/*
+ * Work through a process paging out mappings until the whole address space was
+ * examined or the excess is < 0.  Return our estimate of the updated excess.
+ */
+static int64_t
+pageout_process(pid_t pid, int64_t excess)
+{
+	int			psfd;
+	prmap_t			*pmap;
+	proc_map_t		cur;
+	int			res;
+	int64_t			sum_d_rss, d_rss;
+	int64_t			old_rss;
+	int			map_cnt;
+	psinfo_t		psinfo;
+	char			pathbuf[MAXPATHLEN];
+
+	(void) snprintf(pathbuf, sizeof (pathbuf), "%s/%d/psinfo", zoneproc,
+	    pid);
+	if ((psfd = open(pathbuf, O_RDONLY, 0000)) < 0)
+		return (excess);
+
+	cur.pr_mapp = NULL;
+
+	if (pread(psfd, &psinfo, sizeof (psinfo), 0) != sizeof (psinfo))
+		goto done;
+
+	old_rss = (int64_t)psinfo.pr_rssize;
+	map_cnt = 0;
+
+	/* If unscannable, skip it. */
+	if (psinfo.pr_nlwp == 0 || proc_issystem(pid)) {
+		debug("pid %ld: system process, skipping %s\n",
+		    pid, psinfo.pr_psargs);
+		goto done;
+	}
+
+	/* If tiny RSS (16KB), skip it. */
+	if (old_rss <= 16) {
+		debug("pid %ld: skipping, RSS %lldKB %s\n",
+		    pid, old_rss, psinfo.pr_psargs);
+		goto done;
+	}
+
+	/* Get segment residency information. */
+	pmap = init_map(&cur, pid);
+
+	/* Skip process if it has no mappings. */
+	if (pmap == NULL) {
+		debug("pid %ld: map unreadable; ignoring\n", pid);
+		goto done;
+	}
+
+	debug("pid %ld: nmap %d sz %dKB rss %lldKB %s\n",
+	    pid, cur.pr_nmap, psinfo.pr_size, old_rss, psinfo.pr_psargs);
+
+	/*
+	 * Within the process's address space, attempt to page out mappings.
+	 */
+	sum_d_rss = 0;
+	while (excess > 0 && pmap != NULL && !shutting_down) {
+		/* invalidate the entire mapping */
+		if ((res = pageout_mapping(pid, pmap)) < 0)
+			debug("pid %ld: mapping 0x%p %ldkb unpageable (%d)\n",
+			    pid, pmap->pr_vaddr, pmap->pr_size / 1024, errno);
+
+		map_cnt++;
+
+		/*
+		 * Re-check the process rss and get the delta.
+		 */
+		if (pread(psfd, &psinfo, sizeof (psinfo), 0)
+		    != sizeof (psinfo)) {
+			excess -= old_rss;
+			goto done;
+		}
+
+		d_rss = (int64_t)psinfo.pr_rssize - old_rss;
+		old_rss = (int64_t)psinfo.pr_rssize;
+		sum_d_rss += d_rss;
+
+		/*
+		 * d_rss hopefully should be negative (or 0 if nothing
+		 * invalidated) but can be positive if more got paged in.
+		 */
+		excess += d_rss;
+
+		if (excess <= 0) {
+			debug("pid %ld: (part.) nmap %d delta_rss %lldKB "
+			    "excess %lldKB\n", pid, map_cnt,
+			    (unsigned long long)sum_d_rss, (long long)excess);
+			map_cnt = 0;
+
+			/*
+			 * If we're actually under, this will suspend checking
+			 * in the middle of this process's address space.
+			 */
+			excess = check_suspend();
+			if (shutting_down)
+				goto done;
+
+			/*
+			 * since we might have suspended, re-read process's rss
+			 */
+			if (pread(psfd, &psinfo, sizeof (psinfo), 0)
+			    != sizeof (psinfo)) {
+				excess -= old_rss;
+				goto done;
+			}
+
+			old_rss = (int64_t)psinfo.pr_rssize;
+
+			debug("pid %ld: resume pageout; excess %lld\n", pid,
+			    (long long)excess);
+			sum_d_rss = 0;
+		}
+
+		pmap = nextmapping(&cur);
+	}
+
+	debug("pid %ld: nmap %d delta_rss %lldKB excess %lldKB\n",
+	    pid, map_cnt, (unsigned long long)sum_d_rss, (long long)excess);
+
+done:
+	if (cur.pr_mapp != NULL)
+		free(cur.pr_mapp);
+
+	(void) close(psfd);
+
+	if (shutting_down)
+		return (0);
+
+	return (excess);
+}
+
+/*
+ * Get the zone's RSS data.
+ */
+static uint64_t
+get_mem_info()
+{
+	uint64_t		n = 1;
+	zsd_vmusage64_t		buf;
+	uint64_t		tmp_rss;
+	DIR			*pdir = NULL;
+	struct dirent		*dent;
+
+	/*
+	 * Start by doing the fast, cheap RSS calculation using the rss value
+	 * in psinfo_t.  Because that's per-process, it can lead to double
+	 * counting some memory and overestimating how much is being used, but
+	 * as long as that's not over the cap, then we don't need do the
+	 * expensive calculation.
+	 *
+	 * If we have to do the expensive calculation, we remember the scaling
+	 * factor so that we can try to use that on subsequent iterations for
+	 * the fast rss.
+	 */
+	if (shutting_down)
+		return (0);
+
+	if ((pdir = opendir(zoneproc)) == NULL)
+		return (0);
+
+	accurate_rss = 0;
+	fast_rss = 0;
+	while (!shutting_down && (dent = readdir(pdir)) != NULL) {
+		pid_t		pid;
+		int		psfd;
+		int64_t		rss;
+		char		pathbuf[MAXPATHLEN];
+		psinfo_t	psinfo;
+
+		if (strcmp(".", dent->d_name) == 0 ||
+		    strcmp("..", dent->d_name) == 0)
+			continue;
+
+		pid = atoi(dent->d_name);
+		if (pid == 0 || pid == 1)
+			continue;
+
+		(void) snprintf(pathbuf, sizeof (pathbuf), "%s/%d/psinfo",
+		    zoneproc, pid);
+
+		rss = 0;
+		if ((psfd = open(pathbuf, O_RDONLY, 0000)) != -1) {
+			if (pread(psfd, &psinfo, sizeof (psinfo), 0) ==
+			    sizeof (psinfo))
+				rss = (int64_t)psinfo.pr_rssize;
+
+			(void) close(psfd);
+		}
+
+		fast_rss += rss;
+	}
+
+	(void) closedir(pdir);
+
+	if (shutting_down)
+		return (0);
+
+	debug("fast rss: %lluKB, scale: %llu, prev: %lluKB\n", fast_rss,
+	    scale_rss, prev_fast_rss);
+
+	/* see if we can get by with a scaled fast rss */
+	tmp_rss = fast_rss;
+	if (scale_rss > 1 && prev_fast_rss > 0) {
+		/*
+		 * Only scale the fast value if it hasn't ballooned too much
+		 * to trust.
+		 */
+		if (fast_rss / prev_fast_rss < 2) {
+			fast_rss /= scale_rss;
+			debug("scaled fast rss: %lluKB\n", fast_rss);
+		}
+	}
+
+	if (fast_rss <= zone_rss_cap || skip_vmusage) {
+		uint64_t zone_rss_bytes;
+
+		zone_rss_bytes = fast_rss * 1024;
+		/* Use the zone's approx. RSS in the kernel */
+		(void) zone_setattr(zid, ZONE_ATTR_RSS, &zone_rss_bytes, 0);
+		return (fast_rss);
+	}
+
+	buf.vmu_id = zid;
+
+	/* get accurate usage (cached data may be up to 5 seconds old) */
+	if (syscall(SYS_rusagesys, _RUSAGESYS_GETVMUSAGE, VMUSAGE_A_ZONE, 5,
+	    (uintptr_t)&buf, (uintptr_t)&n) != 0) {
+		debug("vmusage failed\n");
+		(void) sleep_shutdown(1);
+		return (0);
+	}
+
+	if (n > 1) {
+		/* This should never happen */
+		debug("vmusage returned more than one result\n");
+		(void) sleep_shutdown(1);
+		return (0);
+	}
+
+	if (buf.vmu_id != zid) {
+		/* This should never happen */
+		debug("vmusage returned the incorrect zone\n");
+		(void) sleep_shutdown(1);
+		return (0);
+	}
+
+	accurate_rss = buf.vmu_rss_all / 1024;
+
+	/* calculate scaling factor to use for fast_rss from now on */
+	if (accurate_rss > 0) {
+		scale_rss = fast_rss / accurate_rss;
+		debug("new scaling factor: %llu\n", scale_rss);
+		/* remember the fast rss when we had to get the accurate rss */
+		prev_fast_rss = tmp_rss;
+	}
+
+	debug("accurate rss: %lluKB, scale: %llu, prev: %lluKB\n", accurate_rss,
+	    scale_rss, prev_fast_rss);
+	return (accurate_rss);
+}
+
+/*
+ * Needed to read the zones physical-memory-cap rctl.
+ */
+static struct ps_prochandle *
+grab_zone_proc()
+{
+	DIR *dirp;
+	struct dirent *dentp;
+	struct ps_prochandle *ph = NULL;
+	int tmp;
+
+	if ((dirp = opendir(zoneproc)) == NULL)
+		return (NULL);
+
+	while (!shutting_down && (dentp = readdir(dirp))) {
+		int pid;
+
+		if (strcmp(".", dentp->d_name) == 0 ||
+		    strcmp("..", dentp->d_name) == 0)
+			continue;
+
+		pid = atoi(dentp->d_name);
+		/* attempt to grab process */
+		if ((ph = Pgrab(pid, 0, &tmp)) != NULL) {
+			if (Psetflags(ph, PR_RLC) == 0) {
+				if (Pcreate_agent(ph) == 0) {
+					(void) closedir(dirp);
+					return (ph);
+				}
+			}
+			Prelease(ph, 0);
+		}
+	}
+
+	(void) closedir(dirp);
+	return (NULL);
+}
+
+static uint64_t
+get_zone_cap()
+{
+	rctlblk_t *rblk;
+	uint64_t mcap;
+	struct ps_prochandle *ph;
+
+	if ((rblk = (rctlblk_t *)malloc(rctlblk_size())) == NULL)
+		return (UINT64_MAX);
+
+	if ((ph = grab_zone_proc()) == NULL) {
+		free(rblk);
+		return (UINT64_MAX);
+	}
+
+	if (pr_getrctl(ph, "zone.max-physical-memory", NULL, rblk,
+	    RCTL_FIRST)) {
+		Pdestroy_agent(ph);
+		Prelease(ph, 0);
+		free(rblk);
+		return (UINT64_MAX);
+	}
+
+	Pdestroy_agent(ph);
+	Prelease(ph, 0);
+
+	mcap = rctlblk_get_value(rblk);
+	free(rblk);
+	return (mcap);
+}
+
+/*
+ * check_suspend is invoked at the beginning of every pass through the process
+ * list or after we've paged out enough so that we think the excess is under
+ * the cap.  The purpose is to periodically check the zone's rss and return
+ * the excess when the zone is over the cap.  The rest of the time this
+ * function will sleep, periodically waking up to check the current rss.
+ *
+ * Depending on the percentage of penetration of the zone's rss into the
+ * cap we sleep for longer or shorter amounts. This reduces the impact of this
+ * work on the system, which is important considering that each zone will be
+ * monitoring its rss.
+ */
+static int64_t
+check_suspend()
+{
+	static hrtime_t last_cap_read = 0;
+	static uint64_t addon;
+	static uint64_t lo_thresh;	/* Thresholds for how long to  sleep */
+	static uint64_t hi_thresh;	/* when under the cap (80% & 90%). */
+	static uint64_t prev_zone_rss = 0;
+	static uint32_t pfdelay = 0;	/* usec page fault delay when over */
+
+	/* Wait a second to give the async pageout a chance to catch up. */
+	(void) sleep_shutdown(1);
+
+	while (!shutting_down) {
+		int64_t new_excess;
+		int sleep_time;
+		hrtime_t now;
+		struct stat st;
+		uint64_t zone_rss;		/* total RSS(KB) */
+
+		/*
+		 * Check if the debug log files exists and enable or disable
+		 * debug.
+		 */
+		if (debug_log_fp == NULL) {
+			if (stat(debug_log, &st) == 0)
+				debug_log_fp = fopen(debug_log, "w");
+		} else {
+			if (stat(debug_log, &st) == -1) {
+				(void) fclose(debug_log_fp);
+				debug_log_fp = NULL;
+			}
+		}
+
+		/*
+		 * If the CAP_REFRESH interval has passed, re-get the current
+		 * cap in case it has been dynamically updated.
+		 */
+		now = gethrtime();
+		if (now - last_cap_read > CAP_REFRESH) {
+			uint64_t mcap;
+
+			last_cap_read = now;
+
+			mcap = get_zone_cap();
+			if (mcap != 0 && mcap != UINT64_MAX)
+				zone_rss_cap = ROUNDUP(mcap, 1024) / 1024;
+			else
+				zone_rss_cap = UINT64_MAX;
+
+			lo_thresh = (uint64_t)(zone_rss_cap * .8);
+			hi_thresh = (uint64_t)(zone_rss_cap * .9);
+			addon = (uint64_t)(zone_rss_cap * 0.05);
+
+			/*
+			 * We allow the memory cap tunables to be changed on
+			 * the fly.
+			 */
+			get_mcap_tunables();
+
+			debug("%s: %s\n", TUNE_CMD, over_cmd);
+			debug("%s: %d\n", TUNE_NVMU, skip_vmusage);
+			debug("%s: %d\n", TUNE_NPAGE, skip_pageout);
+			debug("%s: %d\n", TUNE_NPFTHROT, skip_pf_throttle);
+			debug("current cap %lluKB lo %lluKB hi %lluKB\n",
+			    zone_rss_cap, lo_thresh, hi_thresh);
+		}
+
+		/* No cap, nothing to do. */
+		if (zone_rss_cap == 0 || zone_rss_cap == UINT64_MAX) {
+			debug("no cap, sleep 120 seconds\n");
+			(void) sleep_shutdown(120);
+			continue;
+		}
+
+		zone_rss = get_mem_info();
+
+		/* calculate excess */
+		new_excess = zone_rss - zone_rss_cap;
+
+		debug("rss %lluKB, cap %lluKB, excess %lldKB\n",
+		    zone_rss, zone_rss_cap, new_excess);
+
+		/*
+		 * If necessary, updates stats.
+		 */
+
+		/*
+		 * If it looks like we did some paging out since last over the
+		 * cap then update the kstat so we can approximate how much was
+		 * paged out.
+		 */
+		if (prev_zone_rss > zone_rss_cap && zone_rss < prev_zone_rss) {
+			uint64_t diff;
+
+			/* assume diff is num bytes we paged out */
+			diff = (prev_zone_rss - zone_rss) * 1024;
+
+			(void) zone_setattr(zid, ZONE_ATTR_PMCAP_PAGEOUT,
+			    &diff, 0);
+		}
+		prev_zone_rss = zone_rss;
+
+		if (new_excess > 0) {
+			uint64_t n = 1;
+
+			/* Increment "nover" kstat. */
+			(void) zone_setattr(zid, ZONE_ATTR_PMCAP_NOVER, &n, 0);
+
+			if (!skip_pf_throttle) {
+				/*
+				 * Tell the kernel to start throttling page
+				 * faults by some number of usecs to help us
+				 * catch up. If we are persistently over the
+				 * cap the delay ramps up to a max of 2000usecs.
+				 * Note that for delays less than 1 tick
+				 * (i.e. all of these) we busy-wait in as_fault.
+				 *	delay	faults/sec
+				 *	 125	8000
+				 *	 250	4000
+				 *	 500	2000
+				 *	1000	1000
+				 *	2000	 500
+				 */
+				if (pfdelay == 0)
+					pfdelay = 125;
+				else if (pfdelay < 2000)
+					pfdelay *= 2;
+
+				(void) zone_setattr(zid, ZONE_ATTR_PG_FLT_DELAY,
+				    &pfdelay, 0);
+			}
+
+			/*
+			 * Once we go over the cap, then we want to
+			 * page out a little extra instead of stopping
+			 * right at the cap. To do this we add 5% to
+			 * the excess so that pageout_proces will work
+			 * a little longer before stopping.
+			 */
+			return ((int64_t)(new_excess + addon));
+		}
+
+		/*
+		 * At this point we are under the cap.
+		 *
+		 * Tell the kernel to stop throttling page faults.
+		 *
+		 * Scale the amount of time we sleep before rechecking the
+		 * zone's memory usage.  Also, scale the accpetable age of
+		 * cached results from vm_getusage.  We do this based on the
+		 * penetration into the capped limit.
+		 */
+		if (pfdelay > 0) {
+			pfdelay = 0;
+			(void) zone_setattr(zid, ZONE_ATTR_PG_FLT_DELAY,
+			    &pfdelay, 0);
+		}
+
+		if (zone_rss <= lo_thresh) {
+			sleep_time = 120;
+		} else if (zone_rss <= hi_thresh) {
+			sleep_time = 60;
+		} else {
+			sleep_time = 30;
+		}
+
+		debug("sleep %d seconds\n", sleep_time);
+		(void) sleep_shutdown(sleep_time);
+	}
+
+	/* Shutting down, tell the kernel so it doesn't throttle */
+	if (pfdelay > 0) {
+		pfdelay = 0;
+		(void) zone_setattr(zid, ZONE_ATTR_PG_FLT_DELAY, &pfdelay, 0);
+	}
+
+	return (0);
+}
+
+static void
+get_mcap_tunables()
+{
+	zone_dochandle_t handle;
+	struct zone_attrtab attr;
+
+	over_cmd[0] = '\0';
+	if ((handle = zonecfg_init_handle()) == NULL)
+		return;
+
+	if (zonecfg_get_handle(zone_name, handle) != Z_OK)
+		goto done;
+
+	/* Reset to defaults in case rebooting and settings have changed */
+	over_cmd[0] = '\0';
+	skip_vmusage = B_FALSE;
+	skip_pageout = B_FALSE;
+	skip_pf_throttle = B_FALSE;
+
+	if (zonecfg_setattrent(handle) != Z_OK)
+		goto done;
+	while (zonecfg_getattrent(handle, &attr) == Z_OK) {
+		if (strcmp(TUNE_CMD, attr.zone_attr_name) == 0) {
+			(void) strlcpy(over_cmd, attr.zone_attr_value,
+			    sizeof (over_cmd));
+		} else if (strcmp(TUNE_NVMU, attr.zone_attr_name) == 0) {
+			if (strcmp("true", attr.zone_attr_value) == 0)
+				skip_vmusage = B_TRUE;
+		} else if (strcmp(TUNE_NPAGE, attr.zone_attr_name) == 0) {
+			if (strcmp("true", attr.zone_attr_value) == 0)
+				skip_pageout = B_TRUE;
+		} else if (strcmp(TUNE_NPFTHROT, attr.zone_attr_name) == 0) {
+			if (strcmp("true", attr.zone_attr_value) == 0)
+				skip_pf_throttle = B_TRUE;
+		}
+	}
+	(void) zonecfg_endattrent(handle);
+
+done:
+	zonecfg_fini_handle(handle);
+}
+
+/* ARGSUSED */
+static int
+chk_proc_fs(void *data, const char *spec, const char *dir,
+    const char *fstype, const char *opt)
+{
+	if (fstype != NULL && strcmp(fstype, "proc") == 0)
+		*((boolean_t *)data) = B_TRUE;
+
+	return (0);
+}
+
+static boolean_t
+has_proc()
+{
+	brand_handle_t bh;
+	boolean_t fnd = B_FALSE;
+
+	if ((bh = brand_open(brand_name)) != NULL) {
+		(void) brand_platform_iter_mounts(bh, chk_proc_fs, &fnd);
+	}
+
+	brand_close(bh);
+	return (fnd);
+}
+
+/*
+ * We run this loop for brands with no /proc to simply update the RSS, using
+ * the cheap GZ /proc data, every 5 minutes.
+ */
+static void
+no_procfs()
+{
+	DIR			*pdir = NULL;
+	struct dirent		*dent;
+	uint64_t		zone_rss_bytes;
+
+	(void) sleep_shutdown(30);
+	while (!shutting_down) {
+		/*
+		 * Just do the fast, cheap RSS calculation using the rss value
+		 * in psinfo_t.  Because that's per-process, it can lead to
+		 * double counting some memory and overestimating how much is
+		 * being used. Since there is no /proc in the zone, we use the
+		 * GZ /proc and check for the correct zone.
+		 */
+		if ((pdir = opendir("/proc")) == NULL)
+			return;
+
+		fast_rss = 0;
+		while (!shutting_down && (dent = readdir(pdir)) != NULL) {
+			pid_t		pid;
+			int		psfd;
+			int64_t		rss;
+			char		pathbuf[MAXPATHLEN];
+			psinfo_t	psinfo;
+
+			if (strcmp(".", dent->d_name) == 0 ||
+			    strcmp("..", dent->d_name) == 0)
+				continue;
+
+			pid = atoi(dent->d_name);
+			if (pid == 0 || pid == 1)
+				continue;
+
+			(void) snprintf(pathbuf, sizeof (pathbuf),
+			    "/proc/%d/psinfo", pid);
+
+			rss = 0;
+			if ((psfd = open(pathbuf, O_RDONLY, 0000)) != -1) {
+				if (pread(psfd, &psinfo, sizeof (psinfo), 0) ==
+				    sizeof (psinfo)) {
+					if (psinfo.pr_zoneid == zid)
+						rss = (int64_t)psinfo.pr_rssize;
+				}
+
+				(void) close(psfd);
+			}
+
+			fast_rss += rss;
+		}
+
+		(void) closedir(pdir);
+
+		if (shutting_down)
+			return;
+
+		zone_rss_bytes = fast_rss * 1024;
+		/* Use the zone's approx. RSS in the kernel */
+		(void) zone_setattr(zid, ZONE_ATTR_RSS, &zone_rss_bytes, 0);
+
+		(void) sleep_shutdown(300);
+	}
+}
+
+/*
+ * Thread that checks zone's memory usage and when over the cap, goes through
+ * the zone's process list trying to pageout processes to get under the cap.
+ */
+static void
+mcap_zone()
+{
+	DIR *pdir = NULL;
+	int64_t excess;
+
+	debug("thread startup\n");
+
+	get_mcap_tunables();
+
+	/*
+	 * If the zone has no /proc filesystem, we can't use the fast algorithm
+	 * to check RSS or pageout any processes. All we can do is periodically
+	 * update it's RSS kstat using the expensive sycall.
+	 */
+	if (!has_proc()) {
+		no_procfs();
+		debug("thread shutdown\n");
+		return;
+	}
+
+	/*
+	 * When first starting it is likely lots of other zones are starting
+	 * too because the system is booting.  Since we just started the zone
+	 * we're not worried about being over the cap right away, so we let
+	 * things settle a bit and tolerate some older data here to minimize
+	 * the load on the system.
+	 */
+	(void) sleep_shutdown(15); /* wait 15 secs. so the zone can get going */
+
+	/* Wait until zone's /proc is mounted */
+	while (!shutting_down) {
+		struct stat st;
+
+		if (stat(zoneproc, &st) == 0 &&
+		    strcmp(st.st_fstype, "proc") == 0)
+			break;
+		sleep_shutdown(5);
+	}
+
+	/* Open zone's /proc and walk entries. */
+	while (!shutting_down) {
+		if ((pdir = opendir(zoneproc)) != NULL)
+			break;
+		sleep_shutdown(5);
+	}
+
+	while (!shutting_down) {
+		struct dirent *dirent;
+
+		/* Wait until we've gone over the cap. */
+		excess = check_suspend();
+
+		debug("starting to scan, excess %lldk\n", (long long)excess);
+
+		if (over_cmd[0] != '\0') {
+			uint64_t zone_rss;	/* total RSS(KB) */
+
+			debug("run phys_mcap_cmd: %s\n", over_cmd);
+			run_over_cmd();
+
+			zone_rss = get_mem_info();
+			excess = zone_rss - zone_rss_cap;
+			debug("rss %lluKB, cap %lluKB, excess %lldKB\n",
+			    zone_rss, zone_rss_cap, excess);
+			if (excess <= 0)
+				continue;
+		}
+
+		while (!shutting_down && (dirent = readdir(pdir)) != NULL) {
+			pid_t pid;
+
+			if (strcmp(".", dirent->d_name) == 0 ||
+			    strcmp("..", dirent->d_name) == 0)
+				continue;
+
+			pid = atoi(dirent->d_name);
+			if (pid == 0 || pid == 1)
+				continue;
+
+			if (skip_pageout)
+				(void) sleep_shutdown(2);
+			else
+				excess = pageout_process(pid, excess);
+
+			if (excess <= 0) {
+				debug("apparently under; excess %lld\n",
+				    (long long)excess);
+				/* Double check the current excess */
+				excess = check_suspend();
+			}
+		}
+
+		debug("process pass done; excess %lld\n", (long long)excess);
+		rewinddir(pdir);
+
+		if (skip_pageout)
+			(void) sleep_shutdown(120);
+	}
+
+	if (pdir != NULL)
+		(void) closedir(pdir);
+	debug("thread shutdown\n");
+}
+
+void
+create_mcap_thread(zlog_t *zlogp, zoneid_t id)
+{
+	int		res;
+
+	shutting_down = 0;
+	zid = id;
+	logp = zlogp;
+
+	/* all but the lx brand currently use /proc */
+	if (strcmp(brand_name, "lx") == 0) {
+		(void) snprintf(zoneproc, sizeof (zoneproc),
+		    "%s/root/native/proc", zonepath);
+	} else {
+		(void) snprintf(zoneproc, sizeof (zoneproc), "%s/root/proc",
+		    zonepath);
+	}
+
+	(void) snprintf(debug_log, sizeof (debug_log), "%s/mcap_debug.log",
+	    zonepath);
+
+	res = thr_create(NULL, NULL, (void *(*)(void *))mcap_zone, NULL, NULL,
+	    &mcap_tid);
+	if (res != 0) {
+		zerror(zlogp, B_FALSE, "error %d creating memory cap thread",
+		    res);
+		mcap_tid = 0;
+	}
+}
+
+void
+destroy_mcap_thread()
+{
+	if (mcap_tid != 0) {
+		shutting_down = 1;
+		(void) cond_signal(&shutdown_cv);
+		(void) thr_join(mcap_tid, NULL, NULL);
+		mcap_tid = 0;
+	}
+}
diff --git a/usr/src/cmd/zoneadmd/vplat.c b/usr/src/cmd/zoneadmd/vplat.c
index b9954b81b3..522de5b779 100644
--- a/usr/src/cmd/zoneadmd/vplat.c
+++ b/usr/src/cmd/zoneadmd/vplat.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013, Joyent Inc. All rights reserved.
+ * Copyright 2015, Joyent Inc. All rights reserved.
  */
 
 /*
@@ -137,6 +137,9 @@
 
 #define	ALT_MOUNT(mount_cmd) 	((mount_cmd) != Z_MNT_BOOT)
 
+/* Number of times to retry unmounting if it fails */
+#define	UMOUNT_RETRIES	30
+
 /* a reasonable estimate for the number of lwps per process */
 #define	LWPS_PER_PROCESS	10
 
@@ -160,11 +163,25 @@ static priv_set_t *zprivs = NULL;
 
 static const char *DFLT_FS_ALLOWED = "hsfs,smbfs,nfs,nfs3,nfs4,nfsdyn";
 
+typedef struct zone_proj_rctl_map {
+	char *zpr_zone_rctl;
+	char *zpr_project_rctl;
+} zone_proj_rctl_map_t;
+
+static zone_proj_rctl_map_t zone_proj_rctl_map[] = {
+	{"zone.max-msg-ids",	"project.max-msg-ids"},
+	{"zone.max-sem-ids",	"project.max-sem-ids"},
+	{"zone.max-shm-ids",	"project.max-shm-ids"},
+	{"zone.max-shm-memory",	"project.max-shm-memory"},
+	{NULL,			NULL}
+};
+
 /* from libsocket, not in any header file */
 extern int getnetmaskbyaddr(struct in_addr, struct in_addr *);
 
 /* from zoneadmd */
 extern char query_hook[];
+extern char post_statechg_hook[];
 
 /*
  * For each "net" resource configured in zonecfg, we track a zone_addr_list_t
@@ -201,7 +218,7 @@ autofs_cleanup(zoneid_t zoneid)
 	/*
 	 * Ask autofs to unmount all trigger nodes in the given zone.
 	 */
-	return (_autofssys(AUTOFS_UNMOUNTALL, (void *)zoneid));
+	return (_autofssys(AUTOFS_UNMOUNTALL, (void *)((uintptr_t)zoneid)));
 }
 
 static void
@@ -592,6 +609,24 @@ root_to_lu(zlog_t *zlogp, char *zroot, size_t zrootlen, boolean_t isresolved)
 }
 
 /*
+ * Perform brand-specific cleanup if we are unable to unmount a FS.
+ */
+static void
+brand_umount_cleanup(zlog_t *zlogp, char *path)
+{
+	char cmdbuf[2 * MAXPATHLEN];
+
+	if (post_statechg_hook[0] == '\0')
+		return;
+
+	if (snprintf(cmdbuf, sizeof (cmdbuf), "%s %d %d %s", post_statechg_hook,
+	    ZONE_STATE_DOWN, Z_UNMOUNT, path) > sizeof (cmdbuf))
+		return;
+
+	(void) do_subproc(zlogp, cmdbuf, NULL, B_FALSE);
+}
+
+/*
  * The general strategy for unmounting filesystems is as follows:
  *
  * - Remote filesystems may be dead, and attempting to contact them as
@@ -624,6 +659,7 @@ static int
 unmount_filesystems(zlog_t *zlogp, zoneid_t zoneid, boolean_t unmount_cmd)
 {
 	int error = 0;
+	int fail = 0;
 	FILE *mnttab;
 	struct mnttab *mnts;
 	uint_t nmnt;
@@ -711,18 +747,39 @@ unmount_filesystems(zlog_t *zlogp, zoneid_t zoneid, boolean_t unmount_cmd)
 				if (umount2(path, MS_FORCE) == 0) {
 					unmounted = B_TRUE;
 					stuck = B_FALSE;
+					fail = 0;
 				} else {
 					/*
-					 * The first failure indicates a
-					 * mount we won't be able to get
-					 * rid of automatically, so we
-					 * bail.
+					 * We may hit a failure here if there
+					 * is an app in the GZ with an open
+					 * pipe into the zone (commonly into
+					 * the zone's /var/run).  This type
+					 * of app will notice the closed
+					 * connection and cleanup, but it may
+					 * take a while and we have no easy
+					 * way to notice that.  To deal with
+					 * this case, we will wait and retry
+					 * a few times before we give up.
 					 */
-					error++;
-					zerror(zlogp, B_FALSE,
-					    "unable to unmount '%s'", path);
-					free_mnttable(mnts, nmnt);
-					goto out;
+					fail++;
+					if (fail < (UMOUNT_RETRIES - 1)) {
+						zerror(zlogp, B_FALSE,
+						    "unable to unmount '%s', "
+						    "retrying in 2 seconds",
+						    path);
+						(void) sleep(2);
+					} else if (fail > UMOUNT_RETRIES) {
+						error++;
+						zerror(zlogp, B_FALSE,
+						    "unmount of '%s' failed",
+						    path);
+						free_mnttable(mnts, nmnt);
+						goto out;
+					} else {
+						/* Try the hook 2 times */
+						brand_umount_cleanup(zlogp,
+						    path);
+					}
 				}
 			}
 			/*
@@ -1060,23 +1117,10 @@ mount_one_dev_symlink_cb(void *arg, const char *source, const char *target)
 int
 vplat_get_iptype(zlog_t *zlogp, zone_iptype_t *iptypep)
 {
-	zone_dochandle_t handle;
-
-	if ((handle = zonecfg_init_handle()) == NULL) {
-		zerror(zlogp, B_TRUE, "getting zone configuration handle");
-		return (-1);
-	}
-	if (zonecfg_get_snapshot_handle(zone_name, handle) != Z_OK) {
-		zerror(zlogp, B_FALSE, "invalid configuration");
-		zonecfg_fini_handle(handle);
-		return (-1);
-	}
-	if (zonecfg_get_iptype(handle, iptypep) != Z_OK) {
+	if (zonecfg_get_iptype(snap_hndl, iptypep) != Z_OK) {
 		zerror(zlogp, B_FALSE, "invalid ip-type configuration");
-		zonecfg_fini_handle(handle);
 		return (-1);
 	}
-	zonecfg_fini_handle(handle);
 	return (0);
 }
 
@@ -1089,14 +1133,13 @@ static int
 mount_one_dev(zlog_t *zlogp, char *devpath, zone_mnt_t mount_cmd)
 {
 	char			brand[MAXNAMELEN];
-	zone_dochandle_t	handle = NULL;
 	brand_handle_t		bh = NULL;
 	struct zone_devtab	ztab;
 	di_prof_t		prof = NULL;
 	int			err;
 	int			retval = -1;
 	zone_iptype_t		iptype;
-	const char 		*curr_iptype;
+	const char 		*curr_iptype = NULL;
 
 	if (di_prof_init(devpath, &prof)) {
 		zerror(zlogp, B_TRUE, "failed to initialize profile");
@@ -1131,6 +1174,8 @@ mount_one_dev(zlog_t *zlogp, char *devpath, zone_mnt_t mount_cmd)
 		curr_iptype = "exclusive";
 		break;
 	}
+	if (curr_iptype == NULL)
+		abort();
 
 	if (brand_platform_iter_devices(bh, zone_name,
 	    mount_one_dev_device_cb, prof, curr_iptype) != 0) {
@@ -1145,28 +1190,19 @@ mount_one_dev(zlog_t *zlogp, char *devpath, zone_mnt_t mount_cmd)
 	}
 
 	/* Add user-specified devices and directories */
-	if ((handle = zonecfg_init_handle()) == NULL) {
-		zerror(zlogp, B_FALSE, "can't initialize zone handle");
-		goto cleanup;
-	}
-	if (err = zonecfg_get_handle(zone_name, handle)) {
-		zerror(zlogp, B_FALSE, "can't get handle for zone "
-		    "%s: %s", zone_name, zonecfg_strerror(err));
-		goto cleanup;
-	}
-	if (err = zonecfg_setdevent(handle)) {
+	if ((err = zonecfg_setdevent(snap_hndl)) != 0) {
 		zerror(zlogp, B_FALSE, "%s: %s", zone_name,
 		    zonecfg_strerror(err));
 		goto cleanup;
 	}
-	while (zonecfg_getdevent(handle, &ztab) == Z_OK) {
+	while (zonecfg_getdevent(snap_hndl, &ztab) == Z_OK) {
 		if (di_prof_add_dev(prof, ztab.zone_dev_match)) {
 			zerror(zlogp, B_TRUE, "failed to add "
 			    "user-specified device");
 			goto cleanup;
 		}
 	}
-	(void) zonecfg_enddevent(handle);
+	(void) zonecfg_enddevent(snap_hndl);
 
 	/* Send profile to kernel */
 	if (di_prof_commit(prof)) {
@@ -1179,8 +1215,6 @@ mount_one_dev(zlog_t *zlogp, char *devpath, zone_mnt_t mount_cmd)
 cleanup:
 	if (bh != NULL)
 		brand_close(bh);
-	if (handle != NULL)
-		zonecfg_fini_handle(handle);
 	if (prof)
 		di_prof_fini(prof);
 	return (retval);
@@ -1670,12 +1704,10 @@ static int
 mount_filesystems(zlog_t *zlogp, zone_mnt_t mount_cmd)
 {
 	char rootpath[MAXPATHLEN];
-	char zonepath[MAXPATHLEN];
 	char brand[MAXNAMELEN];
 	char luroot[MAXPATHLEN];
 	int i, num_fs = 0;
 	struct zone_fstab *fs_ptr = NULL;
-	zone_dochandle_t handle = NULL;
 	zone_state_t zstate;
 	brand_handle_t bh;
 	plat_gmount_cb_data_t cb;
@@ -1689,22 +1721,12 @@ mount_filesystems(zlog_t *zlogp, zone_mnt_t mount_cmd)
 		goto bad;
 	}
 
-	if (zone_get_zonepath(zone_name, zonepath, sizeof (zonepath)) != Z_OK) {
-		zerror(zlogp, B_TRUE, "unable to determine zone path");
-		goto bad;
-	}
-
 	if (zone_get_rootpath(zone_name, rootpath, sizeof (rootpath)) != Z_OK) {
 		zerror(zlogp, B_TRUE, "unable to determine zone root");
 		goto bad;
 	}
 
-	if ((handle = zonecfg_init_handle()) == NULL) {
-		zerror(zlogp, B_TRUE, "getting zone configuration handle");
-		goto bad;
-	}
-	if (zonecfg_get_snapshot_handle(zone_name, handle) != Z_OK ||
-	    zonecfg_setfsent(handle) != Z_OK) {
+	if (zonecfg_setfsent(snap_hndl) != Z_OK) {
 		zerror(zlogp, B_FALSE, "invalid configuration");
 		goto bad;
 	}
@@ -1722,7 +1744,6 @@ mount_filesystems(zlog_t *zlogp, zone_mnt_t mount_cmd)
 	/* Get a handle to the brand info for this zone */
 	if ((bh = brand_open(brand)) == NULL) {
 		zerror(zlogp, B_FALSE, "unable to determine zone brand");
-		zonecfg_fini_handle(handle);
 		return (-1);
 	}
 
@@ -1737,7 +1758,6 @@ mount_filesystems(zlog_t *zlogp, zone_mnt_t mount_cmd)
 	    plat_gmount_cb, &cb) != 0) {
 		zerror(zlogp, B_FALSE, "unable to mount filesystems");
 		brand_close(bh);
-		zonecfg_fini_handle(handle);
 		return (-1);
 	}
 	brand_close(bh);
@@ -1748,13 +1768,10 @@ mount_filesystems(zlog_t *zlogp, zone_mnt_t mount_cmd)
 	 * higher level directories (e.g., /usr) get mounted before
 	 * any beneath them (e.g., /usr/local).
 	 */
-	if (mount_filesystems_fsent(handle, zlogp, &fs_ptr, &num_fs,
+	if (mount_filesystems_fsent(snap_hndl, zlogp, &fs_ptr, &num_fs,
 	    mount_cmd) != 0)
 		goto bad;
 
-	zonecfg_fini_handle(handle);
-	handle = NULL;
-
 	/*
 	 * Normally when we mount a zone all the zone filesystems
 	 * get mounted relative to rootpath, which is usually
@@ -1833,8 +1850,6 @@ mount_filesystems(zlog_t *zlogp, zone_mnt_t mount_cmd)
 	return (0);
 
 bad:
-	if (handle != NULL)
-		zonecfg_fini_handle(handle);
 	free_fs_data(fs_ptr, num_fs);
 	return (-1);
 }
@@ -2190,13 +2205,7 @@ configure_one_interface(zlog_t *zlogp, zoneid_t zone_id,
 	if (ioctl(s, SIOCLIFADDIF, (caddr_t)&lifr) < 0) {
 		/*
 		 * Here, we know that the interface can't be brought up.
-		 * A similar warning message was already printed out to
-		 * the console by zoneadm(1M) so instead we log the
-		 * message to syslog and continue.
 		 */
-		zerror(&logsys, B_TRUE, "WARNING: skipping network interface "
-		    "'%s' which may not be present/plumbed in the "
-		    "global zone.", lifr.lifr_name);
 		(void) close(s);
 		return (Z_OK);
 	}
@@ -2409,7 +2418,6 @@ bad:
 static int
 configure_shared_network_interfaces(zlog_t *zlogp)
 {
-	zone_dochandle_t handle;
 	struct zone_nwiftab nwiftab, loopback_iftab;
 	zoneid_t zoneid;
 
@@ -2418,29 +2426,19 @@ configure_shared_network_interfaces(zlog_t *zlogp)
 		return (-1);
 	}
 
-	if ((handle = zonecfg_init_handle()) == NULL) {
-		zerror(zlogp, B_TRUE, "getting zone configuration handle");
-		return (-1);
-	}
-	if (zonecfg_get_snapshot_handle(zone_name, handle) != Z_OK) {
-		zerror(zlogp, B_FALSE, "invalid configuration");
-		zonecfg_fini_handle(handle);
-		return (-1);
-	}
-	if (zonecfg_setnwifent(handle) == Z_OK) {
+	if (zonecfg_setnwifent(snap_hndl) == Z_OK) {
 		for (;;) {
-			if (zonecfg_getnwifent(handle, &nwiftab) != Z_OK)
+			if (zonecfg_getnwifent(snap_hndl, &nwiftab) != Z_OK)
 				break;
+			nwifent_free_attrs(&nwiftab);
 			if (configure_one_interface(zlogp, zoneid, &nwiftab) !=
 			    Z_OK) {
-				(void) zonecfg_endnwifent(handle);
-				zonecfg_fini_handle(handle);
+				(void) zonecfg_endnwifent(snap_hndl);
 				return (-1);
 			}
 		}
-		(void) zonecfg_endnwifent(handle);
+		(void) zonecfg_endnwifent(snap_hndl);
 	}
-	zonecfg_fini_handle(handle);
 	if (is_system_labeled()) {
 		/*
 		 * Labeled zones share the loopback interface
@@ -2894,7 +2892,6 @@ free_ip_interface(zone_addr_list_t *zalist)
 static int
 configure_exclusive_network_interfaces(zlog_t *zlogp, zoneid_t zoneid)
 {
-	zone_dochandle_t handle;
 	struct zone_nwiftab nwiftab;
 	char rootpath[MAXPATHLEN];
 	char path[MAXPATHLEN];
@@ -2903,30 +2900,18 @@ configure_exclusive_network_interfaces(zlog_t *zlogp, zoneid_t zoneid)
 	boolean_t added = B_FALSE;
 	zone_addr_list_t *zalist = NULL, *new;
 
-	if ((handle = zonecfg_init_handle()) == NULL) {
-		zerror(zlogp, B_TRUE, "getting zone configuration handle");
-		return (-1);
-	}
-	if (zonecfg_get_snapshot_handle(zone_name, handle) != Z_OK) {
-		zerror(zlogp, B_FALSE, "invalid configuration");
-		zonecfg_fini_handle(handle);
-		return (-1);
-	}
-
-	if (zonecfg_setnwifent(handle) != Z_OK) {
-		zonecfg_fini_handle(handle);
+	if (zonecfg_setnwifent(snap_hndl) != Z_OK)
 		return (0);
-	}
 
 	for (;;) {
-		if (zonecfg_getnwifent(handle, &nwiftab) != Z_OK)
+		if (zonecfg_getnwifent(snap_hndl, &nwiftab) != Z_OK)
 			break;
 
+		nwifent_free_attrs(&nwiftab);
 		if (prof == NULL) {
 			if (zone_get_devroot(zone_name, rootpath,
 			    sizeof (rootpath)) != Z_OK) {
-				(void) zonecfg_endnwifent(handle);
-				zonecfg_fini_handle(handle);
+				(void) zonecfg_endnwifent(snap_hndl);
 				zerror(zlogp, B_TRUE,
 				    "unable to determine dev root");
 				return (-1);
@@ -2934,8 +2919,7 @@ configure_exclusive_network_interfaces(zlog_t *zlogp, zoneid_t zoneid)
 			(void) snprintf(path, sizeof (path), "%s%s", rootpath,
 			    "/dev");
 			if (di_prof_init(path, &prof) != 0) {
-				(void) zonecfg_endnwifent(handle);
-				zonecfg_fini_handle(handle);
+				(void) zonecfg_endnwifent(snap_hndl);
 				zerror(zlogp, B_TRUE,
 				    "failed to initialize profile");
 				return (-1);
@@ -2959,17 +2943,17 @@ configure_exclusive_network_interfaces(zlog_t *zlogp, zoneid_t zoneid)
 		    nwiftab.zone_nwif_physical) == 0) {
 			added = B_TRUE;
 		} else {
-			(void) zonecfg_endnwifent(handle);
-			zonecfg_fini_handle(handle);
-			zerror(zlogp, B_TRUE, "failed to add network device");
-			return (-1);
+			/*
+			 * Failed to add network device, but the brand hook
+			 * might be doing this for us, so keep silent.
+			 */
+			continue;
 		}
 		/* set up the new IP interface, and add them all later */
 		new = malloc(sizeof (*new));
 		if (new == NULL) {
 			zerror(zlogp, B_TRUE, "no memory for %s",
 			    nwiftab.zone_nwif_physical);
-			zonecfg_fini_handle(handle);
 			free_ip_interface(zalist);
 		}
 		bzero(new, sizeof (*new));
@@ -2979,16 +2963,14 @@ configure_exclusive_network_interfaces(zlog_t *zlogp, zoneid_t zoneid)
 	}
 	if (zalist != NULL) {
 		if ((errno = add_net(zlogp, zoneid, zalist)) != 0) {
-			(void) zonecfg_endnwifent(handle);
-			zonecfg_fini_handle(handle);
+			(void) zonecfg_endnwifent(snap_hndl);
 			zerror(zlogp, B_TRUE, "failed to add address");
 			free_ip_interface(zalist);
 			return (-1);
 		}
 		free_ip_interface(zalist);
 	}
-	(void) zonecfg_endnwifent(handle);
-	zonecfg_fini_handle(handle);
+	(void) zonecfg_endnwifent(snap_hndl);
 
 	if (prof != NULL && added) {
 		if (di_prof_commit(prof) != 0) {
@@ -3124,48 +3106,23 @@ remove_datalink_protect(zlog_t *zlogp, zoneid_t zoneid)
 			/* datalink does not belong to the GZ */
 			continue;
 		}
-		if (dlstatus != DLADM_STATUS_OK) {
+		if (dlstatus != DLADM_STATUS_OK)
 			zerror(zlogp, B_FALSE,
+			    "clear 'protection' link property: %s",
 			    dladm_status2str(dlstatus, dlerr));
-			free(dllinks);
-			return (-1);
-		}
+
 		dlstatus = dladm_set_linkprop(dld_handle, *dllink,
 		    "allowed-ips", NULL, 0, DLADM_OPT_ACTIVE);
-		if (dlstatus != DLADM_STATUS_OK) {
+		if (dlstatus != DLADM_STATUS_OK)
 			zerror(zlogp, B_FALSE,
+			    "clear 'allowed-ips' link property: %s",
 			    dladm_status2str(dlstatus, dlerr));
-			free(dllinks);
-			return (-1);
-		}
 	}
 	free(dllinks);
 	return (0);
 }
 
 static int
-unconfigure_exclusive_network_interfaces(zlog_t *zlogp, zoneid_t zoneid)
-{
-	int dlnum = 0;
-
-	/*
-	 * The kernel shutdown callback for the dls module should have removed
-	 * all datalinks from this zone.  If any remain, then there's a
-	 * problem.
-	 */
-	if (zone_list_datalink(zoneid, &dlnum, NULL) != 0) {
-		zerror(zlogp, B_TRUE, "unable to list network interfaces");
-		return (-1);
-	}
-	if (dlnum != 0) {
-		zerror(zlogp, B_FALSE,
-		    "datalinks remain in zone after shutdown");
-		return (-1);
-	}
-	return (0);
-}
-
-static int
 tcp_abort_conn(zlog_t *zlogp, zoneid_t zoneid,
     const struct sockaddr_storage *local, const struct sockaddr_storage *remote)
 {
@@ -3247,26 +3204,14 @@ static int
 get_privset(zlog_t *zlogp, priv_set_t *privs, zone_mnt_t mount_cmd)
 {
 	int error = -1;
-	zone_dochandle_t handle;
 	char *privname = NULL;
 
-	if ((handle = zonecfg_init_handle()) == NULL) {
-		zerror(zlogp, B_TRUE, "getting zone configuration handle");
-		return (-1);
-	}
-	if (zonecfg_get_snapshot_handle(zone_name, handle) != Z_OK) {
-		zerror(zlogp, B_FALSE, "invalid configuration");
-		zonecfg_fini_handle(handle);
-		return (-1);
-	}
-
 	if (ALT_MOUNT(mount_cmd)) {
 		zone_iptype_t	iptype;
-		const char	*curr_iptype;
+		const char	*curr_iptype = NULL;
 
-		if (zonecfg_get_iptype(handle, &iptype) != Z_OK) {
+		if (zonecfg_get_iptype(snap_hndl, &iptype) != Z_OK) {
 			zerror(zlogp, B_TRUE, "unable to determine ip-type");
-			zonecfg_fini_handle(handle);
 			return (-1);
 		}
 
@@ -3279,17 +3224,15 @@ get_privset(zlog_t *zlogp, priv_set_t *privs, zone_mnt_t mount_cmd)
 			break;
 		}
 
-		if (zonecfg_default_privset(privs, curr_iptype) == Z_OK) {
-			zonecfg_fini_handle(handle);
+		if (zonecfg_default_privset(privs, curr_iptype) == Z_OK)
 			return (0);
-		}
+
 		zerror(zlogp, B_FALSE,
 		    "failed to determine the zone's default privilege set");
-		zonecfg_fini_handle(handle);
 		return (-1);
 	}
 
-	switch (zonecfg_get_privset(handle, privs, &privname)) {
+	switch (zonecfg_get_privset(snap_hndl, privs, &privname)) {
 	case Z_OK:
 		error = 0;
 		break;
@@ -3312,10 +3255,22 @@ get_privset(zlog_t *zlogp, priv_set_t *privs, zone_mnt_t mount_cmd)
 	}
 
 	free(privname);
-	zonecfg_fini_handle(handle);
 	return (error);
 }
 
+static char *
+zone_proj_rctl(const char *name)
+{
+	int i;
+
+	for (i = 0; zone_proj_rctl_map[i].zpr_zone_rctl != NULL; i++) {
+		if (strcmp(name, zone_proj_rctl_map[i].zpr_zone_rctl) == 0) {
+			return (zone_proj_rctl_map[i].zpr_project_rctl);
+		}
+	}
+	return (NULL);
+}
+
 static int
 get_rctls(zlog_t *zlogp, char **bufp, size_t *bufsizep)
 {
@@ -3325,7 +3280,6 @@ get_rctls(zlog_t *zlogp, char **bufp, size_t *bufsizep)
 	nvlist_t **nvlv = NULL;
 	int rctlcount = 0;
 	int error = -1;
-	zone_dochandle_t handle;
 	struct zone_rctltab rctltab;
 	rctlblk_t *rctlblk = NULL;
 	uint64_t maxlwps;
@@ -3334,16 +3288,6 @@ get_rctls(zlog_t *zlogp, char **bufp, size_t *bufsizep)
 	*bufp = NULL;
 	*bufsizep = 0;
 
-	if ((handle = zonecfg_init_handle()) == NULL) {
-		zerror(zlogp, B_TRUE, "getting zone configuration handle");
-		return (-1);
-	}
-	if (zonecfg_get_snapshot_handle(zone_name, handle) != Z_OK) {
-		zerror(zlogp, B_FALSE, "invalid configuration");
-		zonecfg_fini_handle(handle);
-		return (-1);
-	}
-
 	rctltab.zone_rctl_valptr = NULL;
 	if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) {
 		zerror(zlogp, B_TRUE, "%s failed", "nvlist_alloc");
@@ -3356,18 +3300,18 @@ get_rctls(zlog_t *zlogp, char **bufp, size_t *bufsizep)
 	 * max-processes property.  If only the max-processes property is set,
 	 * we add a max-lwps property with a limit derived from max-processes.
 	 */
-	if (zonecfg_get_aliased_rctl(handle, ALIAS_MAXPROCS, &maxprocs)
+	if (zonecfg_get_aliased_rctl(snap_hndl, ALIAS_MAXPROCS, &maxprocs)
 	    == Z_OK &&
-	    zonecfg_get_aliased_rctl(handle, ALIAS_MAXLWPS, &maxlwps)
+	    zonecfg_get_aliased_rctl(snap_hndl, ALIAS_MAXLWPS, &maxlwps)
 	    == Z_NO_ENTRY) {
-		if (zonecfg_set_aliased_rctl(handle, ALIAS_MAXLWPS,
+		if (zonecfg_set_aliased_rctl(snap_hndl, ALIAS_MAXLWPS,
 		    maxprocs * LWPS_PER_PROCESS) != Z_OK) {
 			zerror(zlogp, B_FALSE, "unable to set max-lwps alias");
 			goto out;
 		}
 	}
 
-	if (zonecfg_setrctlent(handle) != Z_OK) {
+	if (zonecfg_setrctlent(snap_hndl) != Z_OK) {
 		zerror(zlogp, B_FALSE, "%s failed", "zonecfg_setrctlent");
 		goto out;
 	}
@@ -3376,10 +3320,11 @@ get_rctls(zlog_t *zlogp, char **bufp, size_t *bufsizep)
 		zerror(zlogp, B_TRUE, "memory allocation failed");
 		goto out;
 	}
-	while (zonecfg_getrctlent(handle, &rctltab) == Z_OK) {
+	while (zonecfg_getrctlent(snap_hndl, &rctltab) == Z_OK) {
 		struct zone_rctlvaltab *rctlval;
 		uint_t i, count;
 		const char *name = rctltab.zone_rctl_name;
+		char *proj_nm;
 
 		/* zoneadm should have already warned about unknown rctls. */
 		if (!zonecfg_is_rctl(name)) {
@@ -3446,6 +3391,26 @@ get_rctls(zlog_t *zlogp, char **bufp, size_t *bufsizep)
 		}
 		zonecfg_free_rctl_value_list(rctltab.zone_rctl_valptr);
 		rctltab.zone_rctl_valptr = NULL;
+
+		/*
+		 * With no action on our part we will start zsched with the
+		 * project rctl values for our (zoneadmd) current project. For
+		 * brands running a variant of Illumos, that's not a problem
+		 * since they will setup their own projects, but for a
+		 * non-native brand like lx, where there are no projects, we
+		 * want to start things up with the same project rctls as the
+		 * corresponding zone rctls, since nothing within the zone will
+		 * ever change the project rctls.
+		 */
+		if ((proj_nm = zone_proj_rctl(name)) != NULL) {
+			if (nvlist_add_nvlist_array(nvl, proj_nm, nvlv, count)
+			    != 0) {
+				zerror(zlogp, B_FALSE,
+				    "nvlist_add_nvlist_arrays failed");
+				goto out;
+			}
+		}
+
 		if (nvlist_add_nvlist_array(nvl, (char *)name, nvlv, count)
 		    != 0) {
 			zerror(zlogp, B_FALSE, "%s failed",
@@ -3458,7 +3423,7 @@ get_rctls(zlog_t *zlogp, char **bufp, size_t *bufsizep)
 		nvlv = NULL;
 		rctlcount++;
 	}
-	(void) zonecfg_endrctlent(handle);
+	(void) zonecfg_endrctlent(snap_hndl);
 
 	if (rctlcount == 0) {
 		error = 0;
@@ -3483,8 +3448,6 @@ out:
 		nvlist_free(nvl);
 	if (nvlv != NULL)
 		free(nvlv);
-	if (handle != NULL)
-		zonecfg_fini_handle(handle);
 	return (error);
 }
 
@@ -3500,7 +3463,7 @@ get_implicit_datasets(zlog_t *zlogp, char **retstr)
 	    > sizeof (cmdbuf))
 		return (-1);
 
-	if (do_subproc(zlogp, cmdbuf, retstr) != 0)
+	if (do_subproc(zlogp, cmdbuf, retstr, B_FALSE) != 0)
 		return (-1);
 
 	return (0);
@@ -3509,7 +3472,6 @@ get_implicit_datasets(zlog_t *zlogp, char **retstr)
 static int
 get_datasets(zlog_t *zlogp, char **bufp, size_t *bufsizep)
 {
-	zone_dochandle_t handle;
 	struct zone_dstab dstab;
 	size_t total, offset, len;
 	int error = -1;
@@ -3520,30 +3482,20 @@ get_datasets(zlog_t *zlogp, char **bufp, size_t *bufsizep)
 	*bufp = NULL;
 	*bufsizep = 0;
 
-	if ((handle = zonecfg_init_handle()) == NULL) {
-		zerror(zlogp, B_TRUE, "getting zone configuration handle");
-		return (-1);
-	}
-	if (zonecfg_get_snapshot_handle(zone_name, handle) != Z_OK) {
-		zerror(zlogp, B_FALSE, "invalid configuration");
-		zonecfg_fini_handle(handle);
-		return (-1);
-	}
-
 	if (get_implicit_datasets(zlogp, &implicit_datasets) != 0) {
 		zerror(zlogp, B_FALSE, "getting implicit datasets failed");
 		goto out;
 	}
 
-	if (zonecfg_setdsent(handle) != Z_OK) {
+	if (zonecfg_setdsent(snap_hndl) != Z_OK) {
 		zerror(zlogp, B_FALSE, "%s failed", "zonecfg_setdsent");
 		goto out;
 	}
 
 	total = 0;
-	while (zonecfg_getdsent(handle, &dstab) == Z_OK)
+	while (zonecfg_getdsent(snap_hndl, &dstab) == Z_OK)
 		total += strlen(dstab.zone_dataset_name) + 1;
-	(void) zonecfg_enddsent(handle);
+	(void) zonecfg_enddsent(snap_hndl);
 
 	if (implicit_datasets != NULL)
 		implicit_len = strlen(implicit_datasets);
@@ -3560,12 +3512,12 @@ get_datasets(zlog_t *zlogp, char **bufp, size_t *bufsizep)
 		goto out;
 	}
 
-	if (zonecfg_setdsent(handle) != Z_OK) {
+	if (zonecfg_setdsent(snap_hndl) != Z_OK) {
 		zerror(zlogp, B_FALSE, "%s failed", "zonecfg_setdsent");
 		goto out;
 	}
 	offset = 0;
-	while (zonecfg_getdsent(handle, &dstab) == Z_OK) {
+	while (zonecfg_getdsent(snap_hndl, &dstab) == Z_OK) {
 		len = strlen(dstab.zone_dataset_name);
 		(void) strlcpy(str + offset, dstab.zone_dataset_name,
 		    total - offset);
@@ -3573,7 +3525,7 @@ get_datasets(zlog_t *zlogp, char **bufp, size_t *bufsizep)
 		if (offset < total - 1)
 			str[offset++] = ',';
 	}
-	(void) zonecfg_enddsent(handle);
+	(void) zonecfg_enddsent(snap_hndl);
 
 	if (implicit_len > 0)
 		(void) strlcpy(str + offset, implicit_datasets, total - offset);
@@ -3585,8 +3537,6 @@ get_datasets(zlog_t *zlogp, char **bufp, size_t *bufsizep)
 out:
 	if (error != 0 && str != NULL)
 		free(str);
-	if (handle != NULL)
-		zonecfg_fini_handle(handle);
 	if (implicit_datasets != NULL)
 		free(implicit_datasets);
 
@@ -3596,40 +3546,26 @@ out:
 static int
 validate_datasets(zlog_t *zlogp)
 {
-	zone_dochandle_t handle;
 	struct zone_dstab dstab;
 	zfs_handle_t *zhp;
 	libzfs_handle_t *hdl;
 
-	if ((handle = zonecfg_init_handle()) == NULL) {
-		zerror(zlogp, B_TRUE, "getting zone configuration handle");
-		return (-1);
-	}
-	if (zonecfg_get_snapshot_handle(zone_name, handle) != Z_OK) {
+	if (zonecfg_setdsent(snap_hndl) != Z_OK) {
 		zerror(zlogp, B_FALSE, "invalid configuration");
-		zonecfg_fini_handle(handle);
-		return (-1);
-	}
-
-	if (zonecfg_setdsent(handle) != Z_OK) {
-		zerror(zlogp, B_FALSE, "invalid configuration");
-		zonecfg_fini_handle(handle);
 		return (-1);
 	}
 
 	if ((hdl = libzfs_init()) == NULL) {
 		zerror(zlogp, B_FALSE, "opening ZFS library");
-		zonecfg_fini_handle(handle);
 		return (-1);
 	}
 
-	while (zonecfg_getdsent(handle, &dstab) == Z_OK) {
+	while (zonecfg_getdsent(snap_hndl, &dstab) == Z_OK) {
 
 		if ((zhp = zfs_open(hdl, dstab.zone_dataset_name,
 		    ZFS_TYPE_FILESYSTEM)) == NULL) {
 			zerror(zlogp, B_FALSE, "cannot open ZFS dataset '%s'",
 			    dstab.zone_dataset_name);
-			zonecfg_fini_handle(handle);
 			libzfs_fini(hdl);
 			return (-1);
 		}
@@ -3644,7 +3580,6 @@ validate_datasets(zlog_t *zlogp)
 			zerror(zlogp, B_FALSE, "cannot set 'zoned' "
 			    "property for ZFS dataset '%s'\n",
 			    dstab.zone_dataset_name);
-			zonecfg_fini_handle(handle);
 			zfs_close(zhp);
 			libzfs_fini(hdl);
 			return (-1);
@@ -3652,9 +3587,8 @@ validate_datasets(zlog_t *zlogp)
 
 		zfs_close(zhp);
 	}
-	(void) zonecfg_enddsent(handle);
+	(void) zonecfg_enddsent(snap_hndl);
 
-	zonecfg_fini_handle(handle);
 	libzfs_fini(hdl);
 
 	return (0);
@@ -3708,17 +3642,11 @@ validate_rootds_label(zlog_t *zlogp, char *rootpath, m_label_t *zone_sl)
 	zfs_handle_t	*zhp;
 	libzfs_handle_t	*hdl;
 	m_label_t	ds_sl;
-	char		zonepath[MAXPATHLEN];
 	char		ds_hexsl[MAXNAMELEN];
 
 	if (!is_system_labeled())
 		return (0);
 
-	if (zone_get_zonepath(zone_name, zonepath, sizeof (zonepath)) != Z_OK) {
-		zerror(zlogp, B_TRUE, "unable to determine zone path");
-		return (-1);
-	}
-
 	if (!is_zonepath_zfs(zonepath))
 		return (0);
 
@@ -4388,62 +4316,25 @@ duplicate_reachable_path(zlog_t *zlogp, const char *rootpath)
 }
 
 /*
- * Set memory cap and pool info for the zone's resource management
- * configuration.
+ * Set pool info for the zone's resource management configuration.
  */
 static int
 setup_zone_rm(zlog_t *zlogp, char *zone_name, zoneid_t zoneid)
 {
 	int res;
 	uint64_t tmp;
-	struct zone_mcaptab mcap;
 	char sched[MAXNAMELEN];
-	zone_dochandle_t handle = NULL;
 	char pool_err[128];
 
-	if ((handle = zonecfg_init_handle()) == NULL) {
-		zerror(zlogp, B_TRUE, "getting zone configuration handle");
-		return (Z_BAD_HANDLE);
-	}
-
-	if ((res = zonecfg_get_snapshot_handle(zone_name, handle)) != Z_OK) {
-		zerror(zlogp, B_FALSE, "invalid configuration");
-		zonecfg_fini_handle(handle);
-		return (res);
-	}
-
-	/*
-	 * If a memory cap is configured, set the cap in the kernel using
-	 * zone_setattr() and make sure the rcapd SMF service is enabled.
-	 */
-	if (zonecfg_getmcapent(handle, &mcap) == Z_OK) {
-		uint64_t num;
-		char smf_err[128];
-
-		num = (uint64_t)strtoull(mcap.zone_physmem_cap, NULL, 10);
-		if (zone_setattr(zoneid, ZONE_ATTR_PHYS_MCAP, &num, 0) == -1) {
-			zerror(zlogp, B_TRUE, "could not set zone memory cap");
-			zonecfg_fini_handle(handle);
-			return (Z_INVAL);
-		}
-
-		if (zonecfg_enable_rcapd(smf_err, sizeof (smf_err)) != Z_OK) {
-			zerror(zlogp, B_FALSE, "enabling system/rcap service "
-			    "failed: %s", smf_err);
-			zonecfg_fini_handle(handle);
-			return (Z_INVAL);
-		}
-	}
-
 	/* Get the scheduling class set in the zone configuration. */
-	if (zonecfg_get_sched_class(handle, sched, sizeof (sched)) == Z_OK &&
+	if (zonecfg_get_sched_class(snap_hndl, sched, sizeof (sched)) == Z_OK &&
 	    strlen(sched) > 0) {
 		if (zone_setattr(zoneid, ZONE_ATTR_SCHED_CLASS, sched,
 		    strlen(sched)) == -1)
 			zerror(zlogp, B_TRUE, "WARNING: unable to set the "
 			    "default scheduling class");
 
-	} else if (zonecfg_get_aliased_rctl(handle, ALIAS_SHARES, &tmp)
+	} else if (zonecfg_get_aliased_rctl(snap_hndl, ALIAS_SHARES, &tmp)
 	    == Z_OK) {
 		/*
 		 * If the zone has the zone.cpu-shares rctl set then we want to
@@ -4454,7 +4345,7 @@ setup_zone_rm(zlog_t *zlogp, char *zone_name, zoneid_t zoneid)
 		 */
 		char class_name[PC_CLNMSZ];
 
-		if (zonecfg_get_dflt_sched_class(handle, class_name,
+		if (zonecfg_get_dflt_sched_class(snap_hndl, class_name,
 		    sizeof (class_name)) != Z_OK) {
 			zerror(zlogp, B_FALSE, "WARNING: unable to determine "
 			    "the zone's scheduling class");
@@ -4487,7 +4378,7 @@ setup_zone_rm(zlog_t *zlogp, char *zone_name, zoneid_t zoneid)
 	 * right thing in all cases (reuse or create) based on the current
 	 * zonecfg.
 	 */
-	if ((res = zonecfg_bind_tmp_pool(handle, zoneid, pool_err,
+	if ((res = zonecfg_bind_tmp_pool(snap_hndl, zoneid, pool_err,
 	    sizeof (pool_err))) != Z_OK) {
 		if (res == Z_POOL || res == Z_POOL_CREATE || res == Z_POOL_BIND)
 			zerror(zlogp, B_FALSE, "%s: %s\ndedicated-cpu setting "
@@ -4496,14 +4387,13 @@ setup_zone_rm(zlog_t *zlogp, char *zone_name, zoneid_t zoneid)
 		else
 			zerror(zlogp, B_FALSE, "could not bind zone to "
 			    "temporary pool: %s", zonecfg_strerror(res));
-		zonecfg_fini_handle(handle);
 		return (Z_POOL_BIND);
 	}
 
 	/*
 	 * Check if we need to warn about poold not being enabled.
 	 */
-	if (zonecfg_warn_poold(handle)) {
+	if (zonecfg_warn_poold(snap_hndl)) {
 		zerror(zlogp, B_FALSE, "WARNING: A range of dedicated-cpus has "
 		    "been specified\nbut the dynamic pool service is not "
 		    "enabled.\nThe system will not dynamically adjust the\n"
@@ -4513,7 +4403,7 @@ setup_zone_rm(zlog_t *zlogp, char *zone_name, zoneid_t zoneid)
 	}
 
 	/* The following is a warning, not an error. */
-	if ((res = zonecfg_bind_pool(handle, zoneid, pool_err,
+	if ((res = zonecfg_bind_pool(snap_hndl, zoneid, pool_err,
 	    sizeof (pool_err))) != Z_OK) {
 		if (res == Z_POOL_BIND)
 			zerror(zlogp, B_FALSE, "WARNING: unable to bind to "
@@ -4527,10 +4417,9 @@ setup_zone_rm(zlog_t *zlogp, char *zone_name, zoneid_t zoneid)
 	}
 
 	/* Update saved pool name in case it has changed */
-	(void) zonecfg_get_poolname(handle, zone_name, pool_name,
+	(void) zonecfg_get_poolname(snap_hndl, zone_name, pool_name,
 	    sizeof (pool_name));
 
-	zonecfg_fini_handle(handle);
 	return (Z_OK);
 }
 
@@ -4631,33 +4520,28 @@ setup_zone_fs_allowed(zone_dochandle_t handle, zlog_t *zlogp, zoneid_t zoneid)
 }
 
 static int
-setup_zone_attrs(zlog_t *zlogp, char *zone_namep, zoneid_t zoneid)
+setup_zone_attrs(zlog_t *zlogp, zoneid_t zoneid)
 {
-	zone_dochandle_t handle;
 	int res = Z_OK;
 
-	if ((handle = zonecfg_init_handle()) == NULL) {
-		zerror(zlogp, B_TRUE, "getting zone configuration handle");
-		return (Z_BAD_HANDLE);
-	}
-	if ((res = zonecfg_get_snapshot_handle(zone_namep, handle)) != Z_OK) {
-		zerror(zlogp, B_FALSE, "invalid configuration");
-		goto out;
-	}
-
-	if ((res = setup_zone_hostid(handle, zlogp, zoneid)) != Z_OK)
+	if ((res = setup_zone_hostid(snap_hndl, zlogp, zoneid)) != Z_OK)
 		goto out;
 
-	if ((res = setup_zone_fs_allowed(handle, zlogp, zoneid)) != Z_OK)
+	if ((res = setup_zone_fs_allowed(snap_hndl, zlogp, zoneid)) != Z_OK)
 		goto out;
 
 out:
-	zonecfg_fini_handle(handle);
 	return (res);
 }
 
+/*
+ * The zone_did is a persistent debug ID.  Each zone should have a unique ID
+ * in the kernel.  This is used for things like DTrace which want to monitor
+ * zones across reboots.  They can't use the zoneid since that changes on
+ * each boot.
+ */
 zoneid_t
-vplat_create(zlog_t *zlogp, zone_mnt_t mount_cmd)
+vplat_create(zlog_t *zlogp, zone_mnt_t mount_cmd, zoneid_t zone_did)
 {
 	zoneid_t rval = -1;
 	priv_set_t *privs;
@@ -4673,7 +4557,7 @@ vplat_create(zlog_t *zlogp, zone_mnt_t mount_cmd)
 	tsol_zcent_t *zcent = NULL;
 	int match = 0;
 	int doi = 0;
-	int flags;
+	int flags = -1;
 	zone_iptype_t iptype;
 
 	if (zone_get_rootpath(zone_name, rootpath, sizeof (rootpath)) != Z_OK) {
@@ -4695,6 +4579,8 @@ vplat_create(zlog_t *zlogp, zone_mnt_t mount_cmd)
 		flags = ZCF_NET_EXCL;
 		break;
 	}
+	if (flags == -1)
+		abort();
 
 	if ((privs = priv_allocset()) == NULL) {
 		zerror(zlogp, B_TRUE, "%s failed", "priv_allocset");
@@ -4798,7 +4684,7 @@ vplat_create(zlog_t *zlogp, zone_mnt_t mount_cmd)
 	xerr = 0;
 	if ((zoneid = zone_create(kzone, rootpath, privs, rctlbuf,
 	    rctlbufsz, zfsbuf, zfsbufsz, &xerr, match, doi, zlabel,
-	    flags)) == -1) {
+	    flags, zone_did)) == -1) {
 		if (xerr == ZE_AREMOUNTS) {
 			if (zonecfg_find_mounts(rootpath, NULL, NULL) < 1) {
 				zerror(zlogp, B_FALSE,
@@ -4844,7 +4730,7 @@ vplat_create(zlog_t *zlogp, zone_mnt_t mount_cmd)
 		struct brand_attr attr;
 		char modname[MAXPATHLEN];
 
-		if (setup_zone_attrs(zlogp, zone_name, zoneid) != Z_OK)
+		if (setup_zone_attrs(zlogp, zoneid) != Z_OK)
 			goto error;
 
 		if ((bh = brand_open(brand_name)) == NULL) {
@@ -4902,6 +4788,8 @@ error:
 	}
 	if (rctlbuf != NULL)
 		free(rctlbuf);
+	if (zfsbuf != NULL)
+		free(zfsbuf);
 	priv_freeset(privs);
 	if (fp != NULL)
 		zonecfg_close_scratch(fp);
@@ -4990,7 +4878,7 @@ write_index_file(zoneid_t zoneid)
 int
 vplat_bringup(zlog_t *zlogp, zone_mnt_t mount_cmd, zoneid_t zoneid)
 {
-	char zonepath[MAXPATHLEN];
+	char zpath[MAXPATHLEN];
 
 	if (mount_cmd == Z_MNT_BOOT && validate_datasets(zlogp) != 0) {
 		lofs_discard_mnttab();
@@ -5001,15 +4889,11 @@ vplat_bringup(zlog_t *zlogp, zone_mnt_t mount_cmd, zoneid_t zoneid)
 	 * Before we try to mount filesystems we need to create the
 	 * attribute backing store for /dev
 	 */
-	if (zone_get_zonepath(zone_name, zonepath, sizeof (zonepath)) != Z_OK) {
-		lofs_discard_mnttab();
-		return (-1);
-	}
-	resolve_lofs(zlogp, zonepath, sizeof (zonepath));
+	(void) strlcpy(zpath, zonepath, sizeof (zpath));
+	resolve_lofs(zlogp, zpath, sizeof (zpath));
 
 	/* Make /dev directory owned by root, grouped sys */
-	if (make_one_dir(zlogp, zonepath, "/dev", DEFAULT_DIR_MODE,
-	    0, 3) != 0) {
+	if (make_one_dir(zlogp, zpath, "/dev", DEFAULT_DIR_MODE, 0, 3) != 0) {
 		lofs_discard_mnttab();
 		return (-1);
 	}
@@ -5044,6 +4928,8 @@ vplat_bringup(zlog_t *zlogp, zone_mnt_t mount_cmd, zoneid_t zoneid)
 				return (-1);
 			}
 			break;
+		default:
+			abort();
 		}
 	}
 
@@ -5119,13 +5005,13 @@ unmounted:
 }
 
 int
-vplat_teardown(zlog_t *zlogp, boolean_t unmount_cmd, boolean_t rebooting)
+vplat_teardown(zlog_t *zlogp, boolean_t unmount_cmd, boolean_t rebooting,
+    boolean_t debug)
 {
 	char *kzone;
 	zoneid_t zoneid;
 	int res;
 	char pool_err[128];
-	char zpath[MAXPATHLEN];
 	char cmdbuf[MAXPATHLEN];
 	brand_handle_t bh = NULL;
 	dladm_status_t status;
@@ -5158,16 +5044,12 @@ vplat_teardown(zlog_t *zlogp, boolean_t unmount_cmd, boolean_t rebooting)
 		goto error;
 	}
 
-	if (remove_datalink_pool(zlogp, zoneid) != 0) {
+	if (remove_datalink_pool(zlogp, zoneid) != 0)
 		zerror(zlogp, B_FALSE, "unable clear datalink pool property");
-		goto error;
-	}
 
-	if (remove_datalink_protect(zlogp, zoneid) != 0) {
+	if (remove_datalink_protect(zlogp, zoneid) != 0)
 		zerror(zlogp, B_FALSE,
 		    "unable clear datalink protect property");
-		goto error;
-	}
 
 	/*
 	 * The datalinks assigned to the zone will be removed from the NGZ as
@@ -5181,12 +5063,6 @@ vplat_teardown(zlog_t *zlogp, boolean_t unmount_cmd, boolean_t rebooting)
 		goto error;
 	}
 
-	/* Get the zonepath of this zone */
-	if (zone_get_zonepath(zone_name, zpath, sizeof (zpath)) != Z_OK) {
-		zerror(zlogp, B_FALSE, "unable to determine zone path");
-		goto error;
-	}
-
 	/* Get a handle to the brand info for this zone */
 	if ((bh = brand_open(brand_name)) == NULL) {
 		zerror(zlogp, B_FALSE, "unable to determine zone brand");
@@ -5197,7 +5073,7 @@ vplat_teardown(zlog_t *zlogp, boolean_t unmount_cmd, boolean_t rebooting)
 	 * brand a chance to cleanup any custom configuration.
 	 */
 	(void) strcpy(cmdbuf, EXEC_PREFIX);
-	if (brand_get_halt(bh, zone_name, zpath, cmdbuf + EXEC_LEN,
+	if (brand_get_halt(bh, zone_name, zonepath, cmdbuf + EXEC_LEN,
 	    sizeof (cmdbuf) - EXEC_LEN) < 0) {
 		brand_close(bh);
 		zerror(zlogp, B_FALSE, "unable to determine branded zone's "
@@ -5207,7 +5083,7 @@ vplat_teardown(zlog_t *zlogp, boolean_t unmount_cmd, boolean_t rebooting)
 	brand_close(bh);
 
 	if ((strlen(cmdbuf) > EXEC_LEN) &&
-	    (do_subproc(zlogp, cmdbuf, NULL) != Z_OK)) {
+	    (do_subproc(zlogp, cmdbuf, NULL, debug) != Z_OK)) {
 		zerror(zlogp, B_FALSE, "%s failed", cmdbuf);
 		goto error;
 	}
@@ -5239,12 +5115,6 @@ vplat_teardown(zlog_t *zlogp, boolean_t unmount_cmd, boolean_t rebooting)
 			}
 			break;
 		case ZS_EXCLUSIVE:
-			if (unconfigure_exclusive_network_interfaces(zlogp,
-			    zoneid) != 0) {
-				zerror(zlogp, B_FALSE, "unable to unconfigure "
-				    "network interfaces in zone");
-				goto error;
-			}
 			status = dladm_zone_halt(dld_handle, zoneid);
 			if (status != DLADM_STATUS_OK) {
 				zerror(zlogp, B_FALSE, "unable to notify "
@@ -5281,14 +5151,9 @@ vplat_teardown(zlog_t *zlogp, boolean_t unmount_cmd, boolean_t rebooting)
 
 		if (rebooting) {
 			struct zone_psettab pset_tab;
-			zone_dochandle_t handle;
 
-			if ((handle = zonecfg_init_handle()) != NULL &&
-			    zonecfg_get_handle(zone_name, handle) == Z_OK &&
-			    zonecfg_lookup_pset(handle, &pset_tab) == Z_OK)
+			if (zonecfg_lookup_pset(snap_hndl, &pset_tab) == Z_OK)
 				destroy_tmp_pool = B_FALSE;
-
-			zonecfg_fini_handle(handle);
 		}
 
 		if (destroy_tmp_pool) {
diff --git a/usr/src/cmd/zoneadmd/zcons.c b/usr/src/cmd/zoneadmd/zcons.c
index 1466217587..30e4a35a35 100644
--- a/usr/src/cmd/zoneadmd/zcons.c
+++ b/usr/src/cmd/zoneadmd/zcons.c
@@ -22,7 +22,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
- * Copyright 2012 Joyent, Inc.  All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
  */
 
@@ -118,9 +118,10 @@
 
 #define	CONSOLE_SOCKPATH	ZONES_TMPDIR "/%s.console_sock"
 
+#define	ZCONS_RETRY		10
+
 static int	serverfd = -1;	/* console server unix domain socket fd */
 char boot_args[BOOTARGS_MAX];
-char bad_boot_arg[BOOTARGS_MAX];
 
 /*
  * The eventstream is a simple one-directional flow of messages from the
@@ -130,7 +131,10 @@ char bad_boot_arg[BOOTARGS_MAX];
  */
 static int eventstream[2];
 
-
+/* flag used to cope with race creating master zcons devlink */
+static boolean_t master_zcons_failed = B_FALSE;
+/* flag to track if we've seen a state change when there is no master zcons */
+static boolean_t state_changed = B_FALSE;
 
 int
 eventstream_init()
@@ -322,7 +326,7 @@ destroy_console_devs(zlog_t *zlogp)
  * interfaces to instantiate a new zone console node.  We do a lot of
  * sanity checking, and are careful to reuse a console if one exists.
  *
- * Once the device is in the device tree, we kick devfsadm via di_init_devs()
+ * Once the device is in the device tree, we kick devfsadm via di_devlink_init()
  * to ensure that the appropriate symlinks (to the master and slave console
  * devices) are placed in /dev in the global zone.
  */
@@ -408,43 +412,63 @@ devlinks:
 	 * Open the master side of the console and issue the ZC_HOLDSLAVE ioctl,
 	 * which will cause the master to retain a reference to the slave.
 	 * This prevents ttymon from blowing through the slave's STREAMS anchor.
+	 *
+	 * In very rare cases the open returns ENOENT if devfs doesn't have
+	 * everything setup yet due to heavy zone startup load. Wait for
+	 * 1 sec. and retry a few times. Even if we can't setup the zone's
+	 * console, we still go ahead and boot the zone.
 	 */
 	(void) snprintf(conspath, sizeof (conspath), "/dev/zcons/%s/%s",
 	    zone_name, ZCONS_MASTER_NAME);
-	if ((masterfd = open(conspath, O_RDWR | O_NOCTTY)) == -1) {
+	for (i = 0; i < ZCONS_RETRY; i++) {
+		masterfd = open(conspath, O_RDWR | O_NOCTTY);
+		if (masterfd >= 0 || errno != ENOENT)
+			break;
+		(void) sleep(1);
+	}
+	if (masterfd == -1) {
 		zerror(zlogp, B_TRUE, "ERROR: could not open master side of "
 		    "zone console for %s to acquire slave handle", zone_name);
-		goto error;
+		master_zcons_failed = B_TRUE;
 	}
+
 	(void) snprintf(conspath, sizeof (conspath), "/dev/zcons/%s/%s",
 	    zone_name, ZCONS_SLAVE_NAME);
-	if ((slavefd = open(conspath, O_RDWR | O_NOCTTY)) == -1) {
+	for (i = 0; i < ZCONS_RETRY; i++) {
+		slavefd = open(conspath, O_RDWR | O_NOCTTY);
+		if (slavefd >= 0 || errno != ENOENT)
+			break;
+		(void) sleep(1);
+	}
+	if (slavefd == -1)
 		zerror(zlogp, B_TRUE, "ERROR: could not open slave side of zone"
 		    " console for %s to acquire slave handle", zone_name);
-		(void) close(masterfd);
-		goto error;
-	}
+
 	/*
 	 * This ioctl can occasionally return ENXIO if devfs doesn't have
 	 * everything plumbed up yet due to heavy zone startup load. Wait for
 	 * 1 sec. and retry a few times before we fail to boot the zone.
 	 */
-	for (i = 0; i < 5; i++) {
-		if (ioctl(masterfd, ZC_HOLDSLAVE, (caddr_t)(intptr_t)slavefd)
-		    == 0) {
-			rv = 0;
-			break;
-		} else if (errno != ENXIO) {
-			break;
+	if (masterfd != -1 && slavefd != -1) {
+		for (i = 0; i < ZCONS_RETRY; i++) {
+			if (ioctl(masterfd, ZC_HOLDSLAVE,
+			    (caddr_t)(intptr_t)slavefd) == 0) {
+				rv = 0;
+				break;
+			} else if (errno != ENXIO) {
+				break;
+			}
+			(void) sleep(1);
 		}
-		(void) sleep(1);
+		if (rv != 0)
+			zerror(zlogp, B_TRUE, "ERROR: error while acquiring "
+			    "slave handle of zone console for %s", zone_name);
 	}
-	if (rv != 0)
-		zerror(zlogp, B_TRUE, "ERROR: error while acquiring slave "
-		    "handle of zone console for %s", zone_name);
 
-	(void) close(slavefd);
-	(void) close(masterfd);
+	if (slavefd != -1)
+		(void) close(slavefd);
+	if (masterfd != -1)
+		(void) close(masterfd);
 
 error:
 	if (ddef_hdl)
@@ -517,6 +541,7 @@ get_client_ident(int clifd, pid_t *pid, char *locale, size_t locale_len,
 	size_t buflen = sizeof (buf);
 	char c = '\0';
 	int i = 0, r;
+	ucred_t *cred = NULL;
 
 	/* "eat up the ident string" case, for simplicity */
 	if (pid == NULL) {
@@ -550,18 +575,22 @@ get_client_ident(int clifd, pid_t *pid, char *locale, size_t locale_len,
 				break;
 	}
 
+	if (getpeerucred(clifd, &cred) == 0) {
+		*pid = ucred_getpid((const ucred_t *)cred);
+		ucred_free(cred);
+	} else {
+		return (-1);
+	}
+
 	/*
 	 * Parse buffer for message of the form:
-	 * IDENT <pid> <locale> <disconnect flag>
+	 * IDENT <locale> <disconnect flag>
 	 */
 	bufp = buf;
 	if (strncmp(bufp, "IDENT ", 6) != 0)
 		return (-1);
 	bufp += 6;
 	errno = 0;
-	*pid = strtoll(bufp, &bufp, 10);
-	if (errno != 0)
-		return (-1);
 
 	while (*bufp != '\0' && isspace(*bufp))
 		bufp++;
@@ -667,14 +696,6 @@ event_message(int clifd, char *clilocale, zone_evt_t evt, int dflag)
 		else
 			str = "NOTICE: Zone boot failed";
 		break;
-	case Z_EVT_ZONE_BADARGS:
-		/*LINTED*/
-		(void) snprintf(lmsg, sizeof (lmsg),
-		    localize_msg(clilocale,
-		    "WARNING: Ignoring invalid boot arguments: %s"),
-		    bad_boot_arg);
-		lstr = lmsg;
-		break;
 	default:
 		return;
 	}
@@ -878,7 +899,6 @@ init_console(zlog_t *zlogp)
 	if (init_console_dev(zlogp) == -1) {
 		zerror(zlogp, B_FALSE,
 		    "console setup: device initialization failed");
-		return (-1);
 	}
 
 	if ((serverfd = init_console_sock(zlogp)) == -1) {
@@ -890,6 +910,17 @@ init_console(zlog_t *zlogp)
 }
 
 /*
+ * Maintain a simple flag that tracks if we have seen at least one state
+ * change. This is currently only used to handle the special case where we are
+ * running without a console device, which is what normally drives shutdown.
+ */
+void
+zcons_statechanged()
+{
+	state_changed = B_TRUE;
+}
+
+/*
  * serve_console() is the master loop for driving console I/O.  It is also the
  * routine which is ultimately responsible for "pulling the plug" on zoneadmd
  * when it realizes that the daemon should shut down.
@@ -907,6 +938,7 @@ serve_console(zlog_t *zlogp)
 	int masterfd;
 	zone_state_t zstate;
 	char conspath[MAXPATHLEN];
+	static boolean_t cons_warned = B_FALSE;
 
 	(void) snprintf(conspath, sizeof (conspath),
 	    "/dev/zcons/%s/%s", zone_name, ZCONS_MASTER_NAME);
@@ -914,6 +946,46 @@ serve_console(zlog_t *zlogp)
 	for (;;) {
 		masterfd = open(conspath, O_RDWR|O_NONBLOCK|O_NOCTTY);
 		if (masterfd == -1) {
+			if (master_zcons_failed) {
+				/*
+				 * If we don't have a console and the zone is
+				 * not shutting down, there may have been a
+				 * race/failure with devfs while creating the
+				 * console. In this case we want to leave the
+				 * zone up, even without a console, so
+				 * periodically recheck.
+				 */
+				int i;
+
+				/*
+				 * In the normal flow of this loop, we use
+				 * do_console_io to give things a chance to get
+				 * going first. However, in this case we can't
+				 * use that, so we have to wait for at least
+				 * one state change before checking the state.
+				 */
+				for (i = 0; i < 60; i++) {
+					if (state_changed)
+						break;
+					(void) sleep(1);
+				}
+
+				if (i < 60 && zone_get_state(zone_name,
+				    &zstate) == Z_OK &&
+				    (zstate == ZONE_STATE_READY ||
+				    zstate == ZONE_STATE_RUNNING)) {
+					if (!cons_warned) {
+						zerror(zlogp, B_FALSE,
+						    "WARNING: missing zone "
+						    "console for %s",
+						    zone_name);
+						cons_warned = B_TRUE;
+					}
+					(void) sleep(ZCONS_RETRY);
+					continue;
+				}
+			}
+
 			zerror(zlogp, B_TRUE, "failed to open console master");
 			(void) mutex_lock(&lock);
 			goto death;
diff --git a/usr/src/cmd/zoneadmd/zfd.c b/usr/src/cmd/zoneadmd/zfd.c
new file mode 100644
index 0000000000..45acebfdfd
--- /dev/null
+++ b/usr/src/cmd/zoneadmd/zfd.c
@@ -0,0 +1,1344 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Zone file descriptor support is used as a mechanism for a process inside the
+ * zone to either log messages to the GZ zoneadmd or as a way to interact
+ * directly with the process (via zlogin -I). The zfd thread is modeled on
+ * the zcons thread so see the comment header in zcons.c for a general overview.
+ * Unlike with zcons, which has a single endpoint within the zone and a single
+ * endpoint used by zoneadmd, we setup multiple endpoints within the zone.
+ * In the interactive mode we setup fd 0, 1 and 2 for use as stdin, stdout and
+ * stderr. In the logging mode we only setup fd 1 and 2 for use as stdout and
+ * stderr.
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/termios.h>
+#include <sys/zfd.h>
+#include <sys/mkdev.h>
+
+#include <assert.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <stropts.h>
+#include <thread.h>
+#include <ucred.h>
+#include <unistd.h>
+#include <zone.h>
+#include <signal.h>
+#include <wchar.h>
+
+#include <libdevinfo.h>
+#include <libdevice.h>
+#include <libzonecfg.h>
+
+#include <syslog.h>
+#include <sys/modctl.h>
+
+#include "zoneadmd.h"
+
+static zlog_t	*zlogp;
+static int	shutting_down = 0;
+static thread_t logger_tid;
+static int	logfd = -1;
+
+/*
+ * The eventstream is a simple one-directional flow of messages implemented
+ * with a pipe. It is used to wake up the poller when it needs to shutdown.
+ */
+static int eventstream[2] = {-1, -1};
+
+#define	LOGNAME			"stdio.log"
+#define	ZLOG_MODE		"zlog-mode"
+#define	ZFDNEX_DEVTREEPATH	"/pseudo/zfdnex@2"
+#define	ZFDNEX_FILEPATH		"/devices/pseudo/zfdnex@2"
+#define	SERVER_SOCKPATH		ZONES_TMPDIR "/%s.server_%s"
+#define	ZTTY_RETRY		5
+
+typedef enum {
+	ZLOG_NONE = 0,
+	ZLOG_LOG,
+	ZLOG_INTERACTIVE,
+} zlog_mode_t;
+
+/*
+ * count_zfd_devs() and its helper count_cb() do a walk of the subtree of the
+ * device tree where zfd nodes are represented. The goal is to count zfd
+ * instances already setup for a zone with the given name.
+ *
+ * Note: this algorithm is a linear search of nodes in the zfdnex subtree
+ * of the device tree, and could be a scalability problem, but I don't see
+ * how to avoid it.
+ */
+
+/*
+ * cb_data is shared by count_cb and destroy_cb for simplicity.
+ */
+struct cb_data {
+	zlog_t *zlogp;
+	int found;
+	int killed;
+};
+
+static int
+count_cb(di_node_t node, void *arg)
+{
+	struct cb_data *cb = (struct cb_data *)arg;
+	char *prop_data;
+
+	if (di_prop_lookup_strings(DDI_DEV_T_ANY, node, "zfd_zname",
+	    &prop_data) != -1) {
+		assert(prop_data != NULL);
+		if (strcmp(prop_data, zone_name) == 0) {
+			cb->found++;
+			return (DI_WALK_CONTINUE);
+		}
+	}
+	return (DI_WALK_CONTINUE);
+}
+
+static int
+count_zfd_devs(zlog_t *zlogp)
+{
+	di_node_t root;
+	struct cb_data cb;
+
+	bzero(&cb, sizeof (cb));
+	cb.zlogp = zlogp;
+
+	if ((root = di_init(ZFDNEX_DEVTREEPATH, DINFOCPYALL)) == DI_NODE_NIL) {
+		zerror(zlogp, B_TRUE, "di_init failed");
+		return (-1);
+	}
+
+	(void) di_walk_node(root, DI_WALK_CLDFIRST, (void *)&cb, count_cb);
+	di_fini(root);
+	return (cb.found);
+}
+
+/*
+ * destroy_zfd_devs() and its helper destroy_cb() tears down any zfd instances
+ * associated with this zone. If things went very wrong, we might have an
+ * incorrect number of instances hanging around.  This routine hunts down and
+ * tries to remove all of them. Of course, if the fd is open, the instance will
+ * not detach, which is a potential issue.
+ */
+static int
+destroy_cb(di_node_t node, void *arg)
+{
+	struct cb_data *cb = (struct cb_data *)arg;
+	char *prop_data;
+	char *tmp;
+	char devpath[MAXPATHLEN];
+	devctl_hdl_t hdl;
+
+	if (di_prop_lookup_strings(DDI_DEV_T_ANY, node, "zfd_zname",
+	    &prop_data) == -1)
+		return (DI_WALK_CONTINUE);
+
+	assert(prop_data != NULL);
+	if (strcmp(prop_data, zone_name) != 0) {
+		/* this is a zfd for a different zone */
+		return (DI_WALK_CONTINUE);
+	}
+
+	cb->found++;
+	tmp = di_devfs_path(node);
+	(void) snprintf(devpath, sizeof (devpath), "/devices/%s", tmp);
+	di_devfs_path_free(tmp);
+
+	if ((hdl = devctl_device_acquire(devpath, 0)) == NULL) {
+		zerror(cb->zlogp, B_TRUE, "WARNING: zfd %s found, "
+		    "but it could not be controlled.", devpath);
+		return (DI_WALK_CONTINUE);
+	}
+	if (devctl_device_remove(hdl) == 0) {
+		cb->killed++;
+	} else {
+		zerror(cb->zlogp, B_TRUE, "WARNING: zfd %s found, "
+		    "but it could not be removed.", devpath);
+	}
+	devctl_release(hdl);
+	return (DI_WALK_CONTINUE);
+}
+
+static int
+destroy_zfd_devs(zlog_t *zlogp)
+{
+	di_node_t root;
+	struct cb_data cb;
+
+	bzero(&cb, sizeof (cb));
+	cb.zlogp = zlogp;
+
+	if ((root = di_init(ZFDNEX_DEVTREEPATH, DINFOCPYALL)) == DI_NODE_NIL) {
+		zerror(zlogp, B_TRUE, "di_init failed");
+		return (-1);
+	}
+
+	(void) di_walk_node(root, DI_WALK_CLDFIRST, (void *)&cb, destroy_cb);
+
+	di_fini(root);
+	return (0);
+}
+
+static void
+make_tty(zlog_t *zlogp, int id)
+{
+	int i;
+	int fd = -1;
+	char stdpath[MAXPATHLEN];
+
+	/*
+	 * Open the master side of the dev and issue the ZFD_MAKETTY ioctl,
+	 * which will cause the the various tty-related streams modules to be
+	 * pushed when the slave opens the device.
+	 *
+	 * In very rare cases the open returns ENOENT if devfs doesn't have
+	 * everything setup yet due to heavy zone startup load. Wait for
+	 * 1 sec. and retry a few times. Even if we can't setup tty mode
+	 * we still move on.
+	 */
+	(void) snprintf(stdpath, sizeof (stdpath), "/dev/zfd/%s/master/%d",
+	    zone_name, id);
+
+	for (i = 0; !shutting_down && i < ZTTY_RETRY; i++) {
+		fd = open(stdpath, O_RDWR | O_NOCTTY);
+		if (fd >= 0 || errno != ENOENT)
+			break;
+		(void) sleep(1);
+	}
+	if (fd == -1) {
+		zerror(zlogp, B_TRUE, "ERROR: could not open zfd %d for "
+		    "zone %s to set tty mode", id, zone_name);
+	} else {
+		/*
+		 * This ioctl can occasionally return ENXIO if devfs doesn't
+		 * have everything plumbed up yet due to heavy zone startup
+		 * load. Wait for 1 sec. and retry a few times before we give
+		 * up.
+		 */
+		for (i = 0; !shutting_down && i < ZTTY_RETRY; i++) {
+			if (ioctl(fd, ZFD_MAKETTY) == 0) {
+				break;
+			} else if (errno != ENXIO) {
+				break;
+			}
+			(void) sleep(1);
+		}
+	}
+
+	if (fd != -1)
+		(void) close(fd);
+}
+
+/*
+ * init_zfd_devs() drives the device-tree configuration of the zone fd devices.
+ * The general strategy is to use the libdevice (devctl) interfaces to
+ * instantiate 3 new zone fd nodes.  We do a lot of sanity checking, and
+ * are careful to reuse a dev if one exists.
+ *
+ * Once the devices are in the device tree, we kick devfsadm via
+ * di_devlink_init() to ensure that the appropriate symlinks (to the master and
+ * slave fd devices) are placed in /dev in the global zone.
+ */
+static int
+init_zfd_dev(zlog_t *zlogp, devctl_hdl_t bus_hdl, int id)
+{
+	int rv = -1;
+	devctl_ddef_t ddef_hdl = NULL;
+	devctl_hdl_t dev_hdl = NULL;
+
+	if ((ddef_hdl = devctl_ddef_alloc("zfd", 0)) == NULL) {
+		zerror(zlogp, B_TRUE, "failed to allocate ddef handle");
+		goto error;
+	}
+
+	/*
+	 * Set four properties on this node; the first is the name of the
+	 * zone; the second is a flag which lets pseudo know that it is
+	 * OK to automatically allocate an instance # for this device;
+	 * the third tells the device framework not to auto-detach this
+	 * node-- we need the node to still be there when we ask devfsadmd
+	 * to make links, and when we need to open it.
+	 */
+	if (devctl_ddef_string(ddef_hdl, "zfd_zname", zone_name) == -1) {
+		zerror(zlogp, B_TRUE, "failed to create zfd_zname property");
+		goto error;
+	}
+	if (devctl_ddef_int(ddef_hdl, "zfd_id", id) == -1) {
+		zerror(zlogp, B_TRUE, "failed to create zfd_id property");
+		goto error;
+	}
+	if (devctl_ddef_int(ddef_hdl, "auto-assign-instance", 1) == -1) {
+		zerror(zlogp, B_TRUE, "failed to create auto-assign-instance "
+		    "property");
+		goto error;
+	}
+	if (devctl_ddef_int(ddef_hdl, "ddi-no-autodetach", 1) == -1) {
+		zerror(zlogp, B_TRUE, "failed to create ddi-no-auto-detach "
+		    "property");
+		goto error;
+	}
+	if (devctl_bus_dev_create(bus_hdl, ddef_hdl, 0, &dev_hdl) == -1) {
+		zerror(zlogp, B_TRUE, "failed to create zfd node");
+		goto error;
+	}
+	rv = 0;
+
+error:
+	if (ddef_hdl)
+		devctl_ddef_free(ddef_hdl);
+	if (dev_hdl)
+		devctl_release(dev_hdl);
+	return (rv);
+}
+
+static int
+init_zfd_devs(zlog_t *zlogp, zlog_mode_t mode)
+{
+	devctl_hdl_t bus_hdl = NULL;
+	di_devlink_handle_t dl = NULL;
+	int rv = -1;
+	int ndevs;
+	int reqdevs;
+	int i;
+
+	/*
+	 * Three zfd devices are required for log mode.
+	 * Interactive mode needs only one.
+	 */
+	reqdevs = (mode != ZLOG_INTERACTIVE) ? 3 : 1;
+
+	/*
+	 * Don't re-setup zone fd devs if they already exist; just
+	 * skip ahead to making devlinks, which we do for sanity's sake.
+	 */
+	ndevs = count_zfd_devs(zlogp);
+
+	if (ndevs == reqdevs)
+		goto devlinks;
+
+	if (ndevs > 0 || ndevs == -1) {
+		if (destroy_zfd_devs(zlogp) == -1)
+			goto error;
+	}
+
+	/*
+	 * Time to make the devices.
+	 */
+	if ((bus_hdl = devctl_bus_acquire(ZFDNEX_FILEPATH, 0)) == NULL) {
+		zerror(zlogp, B_TRUE, "devctl_bus_acquire failed");
+		goto error;
+	}
+
+	for (i = 0; i < reqdevs; i++) {
+		if (init_zfd_dev(zlogp, bus_hdl, i) != 0)
+			goto error;
+	}
+
+devlinks:
+	if ((dl = di_devlink_init("zfd", DI_MAKE_LINK)) == NULL) {
+		zerror(zlogp, B_TRUE, "failed to create devlinks");
+		goto error;
+	}
+
+	(void) di_devlink_fini(&dl);
+	rv = 0;
+
+	if (mode == ZLOG_INTERACTIVE) {
+		/* We want to look like a tty. */
+		make_tty(zlogp, 0);
+	}
+
+error:
+	if (bus_hdl)
+		devctl_release(bus_hdl);
+	return (rv);
+}
+
+static int
+init_server_sock(zlog_t *zlogp, int *servfd, char *nm)
+{
+	int resfd = -1;
+	struct sockaddr_un servaddr;
+
+	bzero(&servaddr, sizeof (servaddr));
+	servaddr.sun_family = AF_UNIX;
+	(void) snprintf(servaddr.sun_path, sizeof (servaddr.sun_path),
+	    SERVER_SOCKPATH, zone_name, nm);
+
+	if ((resfd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
+		zerror(zlogp, B_TRUE, "server setup: could not create socket");
+		goto err;
+	}
+	(void) unlink(servaddr.sun_path);
+
+	if (bind(resfd, (struct sockaddr *)&servaddr, sizeof (servaddr))
+	    == -1) {
+		zerror(zlogp, B_TRUE,
+		    "server setup: could not bind to socket");
+		goto err;
+	}
+
+	if (listen(resfd, 4) == -1) {
+		zerror(zlogp, B_TRUE,
+		    "server setup: could not listen on socket");
+		goto err;
+	}
+
+	*servfd = resfd;
+	return (0);
+
+err:
+	(void) unlink(servaddr.sun_path);
+	if (resfd != -1)
+		(void) close(resfd);
+	return (-1);
+}
+
+static void
+destroy_server_sock(int servfd, char *nm)
+{
+	char path[MAXPATHLEN];
+
+	(void) snprintf(path, sizeof (path), SERVER_SOCKPATH, zone_name, nm);
+	(void) unlink(path);
+	(void) shutdown(servfd, SHUT_RDWR);
+	(void) close(servfd);
+}
+
+/*
+ * Read the "ident" string from the client's descriptor; this routine also
+ * tolerates being called with pid=NULL, for times when you want to "eat"
+ * the ident string from a client without saving it.
+ */
+static int
+get_client_ident(int clifd, pid_t *pid, char *locale, size_t locale_len,
+    uint_t *flagsp)
+{
+	char buf[BUFSIZ], *bufp;
+	size_t buflen = sizeof (buf);
+	char c = '\0';
+	int i = 0, r;
+	ucred_t *cred = NULL;
+
+	/* "eat up the ident string" case, for simplicity */
+	if (pid == NULL) {
+		assert(locale == NULL && locale_len == 0);
+		while (read(clifd, &c, 1) == 1) {
+			if (c == '\n')
+				return (0);
+		}
+	}
+
+	bzero(buf, sizeof (buf));
+	while ((buflen > 1) && (r = read(clifd, &c, 1)) == 1) {
+		buflen--;
+		if (c == '\n')
+			break;
+
+		buf[i] = c;
+		i++;
+	}
+	if (r == -1)
+		return (-1);
+
+	/*
+	 * We've filled the buffer, but still haven't seen \n.  Keep eating
+	 * until we find it; we don't expect this to happen, but this is
+	 * defensive.
+	 */
+	if (c != '\n') {
+		while ((r = read(clifd, &c, sizeof (c))) > 0)
+			if (c == '\n')
+				break;
+	}
+
+	/*
+	 * Parse buffer for message of the form:
+	 * IDENT <locale> <flags>
+	 */
+	bufp = buf;
+	if (strncmp(bufp, "IDENT ", 6) != 0)
+		return (-1);
+	bufp += 6;
+
+	if (getpeerucred(clifd, &cred) == 0) {
+		*pid = ucred_getpid((const ucred_t *)cred);
+		ucred_free(cred);
+	} else {
+		return (-1);
+	}
+
+	while (*bufp != '\0' && isspace(*bufp))
+		bufp++;
+	buflen = strlen(bufp) - 1;
+	bufp[buflen - 1] = '\0';
+	(void) strlcpy(locale, bufp, locale_len);
+
+	*flagsp = atoi(&bufp[buflen]);
+
+	return (0);
+}
+
+static int
+accept_client(int servfd, pid_t *pid, char *locale, size_t locale_len,
+    uint_t *flagsp)
+{
+	int connfd;
+	struct sockaddr_un cliaddr;
+	socklen_t clilen;
+	int flags;
+
+	clilen = sizeof (cliaddr);
+	connfd = accept(servfd, (struct sockaddr *)&cliaddr, &clilen);
+	if (connfd == -1)
+		return (-1);
+	if (pid != NULL) {
+		if (get_client_ident(connfd, pid, locale, locale_len, flagsp)
+		    == -1) {
+			(void) shutdown(connfd, SHUT_RDWR);
+			(void) close(connfd);
+			return (-1);
+		}
+		(void) write(connfd, "OK\n", 3);
+	}
+
+	flags = fcntl(connfd, F_GETFL, 0);
+	if (flags != -1)
+		(void) fcntl(connfd, F_SETFL, flags | O_NONBLOCK | FD_CLOEXEC);
+
+	return (connfd);
+}
+
+static void
+reject_client(int servfd, pid_t clientpid)
+{
+	int connfd;
+	struct sockaddr_un cliaddr;
+	socklen_t clilen;
+	char nak[MAXPATHLEN];
+
+	clilen = sizeof (cliaddr);
+	connfd = accept(servfd, (struct sockaddr *)&cliaddr, &clilen);
+
+	/*
+	 * After getting its ident string, tell client to get lost.
+	 */
+	if (get_client_ident(connfd, NULL, NULL, 0, NULL) == 0) {
+		(void) snprintf(nak, sizeof (nak), "%lu\n",
+		    clientpid);
+		(void) write(connfd, nak, strlen(nak));
+	}
+	(void) shutdown(connfd, SHUT_RDWR);
+	(void) close(connfd);
+}
+
+static int
+accept_socket(int servfd, pid_t verpid)
+{
+	int connfd;
+	struct sockaddr_un cliaddr;
+	socklen_t clilen = sizeof (cliaddr);
+	ucred_t *cred = NULL;
+	pid_t rpid = -1;
+	int flags;
+
+	connfd = accept(servfd, (struct sockaddr *)&cliaddr, &clilen);
+	if (connfd == -1)
+		return (-1);
+
+	/* Confirm connecting process is who we expect */
+	if (getpeerucred(connfd, &cred) == 0) {
+		rpid = ucred_getpid((const ucred_t *)cred);
+		ucred_free(cred);
+	}
+	if (rpid == -1 || rpid != verpid) {
+		(void) shutdown(connfd, SHUT_RDWR);
+		(void) close(connfd);
+		return (-1);
+	}
+
+	flags = fcntl(connfd, F_GETFL, 0);
+	if (flags != -1)
+		(void) fcntl(connfd, F_SETFL, flags | O_NONBLOCK | FD_CLOEXEC);
+
+	return (connfd);
+}
+
+static void
+ctlcmd_process(int sockfd, int stdoutfd, unsigned int *flags)
+{
+	char buf[BUFSIZ];
+	int i;
+	for (i = 0; i < BUFSIZ-1; i++) {
+		char c;
+		if (read(sockfd, &c, 1) != 1 ||
+		    c == '\n' || c == '\0') {
+			break;
+		}
+		buf[i] = c;
+	}
+	if (i == 0) {
+		goto fail;
+	}
+	buf[i+1] = '\0';
+
+	if (strncmp(buf, "TIOCSWINSZ ", 11) == 0) {
+		char *next = buf + 11;
+		struct winsize ws;
+		errno = 0;
+		ws.ws_row = strtol(next, &next, 10);
+		if (errno == EINVAL) {
+			goto fail;
+		}
+		ws.ws_col = strtol(next + 1, &next, 10);
+		if (errno == EINVAL) {
+			goto fail;
+		}
+		if (ioctl(stdoutfd, TIOCSWINSZ, &ws) == 0) {
+			(void) write(sockfd, "OK\n", 3);
+			return;
+		}
+	}
+	if (strncmp(buf, "SETFLAGS ", 9) == 0) {
+		char *next = buf + 9;
+		unsigned int result;
+		errno = 0;
+		result = strtoul(next, &next, 10);
+		if (errno == EINVAL) {
+			goto fail;
+		}
+		*flags = result;
+		(void) write(sockfd, "OK\n", 3);
+		return;
+	}
+fail:
+	(void) write(sockfd, "FAIL\n", 5);
+}
+
+/*
+ * Check to see if the client at the other end of the socket is still alive; we
+ * know it is not if it throws EPIPE at us when we try to write an otherwise
+ * harmless 0-length message to it.
+ */
+static int
+test_client(int clifd)
+{
+	if ((write(clifd, "", 0) == -1) && errno == EPIPE)
+		return (-1);
+	return (0);
+}
+
+/*
+ * Modify the input string with json escapes. Since the destination can thus
+ * be larger than the source, it may get truncated, although we do use a
+ * larger buffer.
+ */
+static void
+escape_json(char *sbuf, int slen, char *dbuf, int dlen)
+{
+	int i;
+	mbstate_t mbr;
+	wchar_t c;
+	size_t sz;
+
+	bzero(&mbr, sizeof (mbr));
+
+	sbuf[slen] = '\0';
+	i = 0;
+	while (i < dlen && (sz = mbrtowc(&c, sbuf, MB_CUR_MAX, &mbr)) > 0) {
+		switch (c) {
+		case '\\':
+			dbuf[i++] = '\\';
+			dbuf[i++] = '\\';
+			break;
+
+		case '"':
+			dbuf[i++] = '\\';
+			dbuf[i++] = '"';
+			break;
+
+		case '\b':
+			dbuf[i++] = '\\';
+			dbuf[i++] = 'b';
+			break;
+
+		case '\f':
+			dbuf[i++] = '\\';
+			dbuf[i++] = 'f';
+			break;
+
+		case '\n':
+			dbuf[i++] = '\\';
+			dbuf[i++] = 'n';
+			break;
+
+		case '\r':
+			dbuf[i++] = '\\';
+			dbuf[i++] = 'r';
+			break;
+
+		case '\t':
+			dbuf[i++] = '\\';
+			dbuf[i++] = 't';
+			break;
+
+		default:
+			if ((c >= 0x00 && c <= 0x1f) ||
+			    (c > 0x7f && c <= 0xffff)) {
+
+				i += snprintf(&dbuf[i], (dlen - i), "\\u%04x",
+				    (int)(0xffff & c));
+			} else if (c >= 0x20 && c <= 0x7f) {
+				dbuf[i++] = 0xff & c;
+			}
+
+			break;
+		}
+		sbuf += sz;
+	}
+
+	if (i == dlen)
+		dbuf[--i] = '\0';
+	else
+		dbuf[i] = '\0';
+}
+
+/*
+ * We output to the log file as json.
+ * ex. for string 'msg\n' on the zone's stdout:
+ *    {"log":"msg\n","stream":"stdout","time":"2014-10-24T20:12:11.101973117Z"}
+ *
+ * We use ns in the last field of the timestamp for compatability.
+ */
+static void
+wr_log_msg(char *buf, int len, int from)
+{
+	struct timeval tv;
+	int olen;
+	char ts[64];
+	char nbuf[BUFSIZ * 2];
+	char obuf[BUFSIZ * 2];
+
+	escape_json(buf, len, nbuf, sizeof (nbuf));
+
+	if (gettimeofday(&tv, NULL) != 0)
+		return;
+	(void) strftime(ts, sizeof (ts), "%FT%T", gmtime(&tv.tv_sec));
+
+	olen = snprintf(obuf, sizeof (obuf),
+	    "{\"log\":\"%s\",\"stream\":\"%s\",\"time\":\"%s.%ldZ\"}\n",
+	    nbuf, (from == 1) ? "stdout" : "stderr", ts, tv.tv_usec * 1000);
+
+	(void) write(logfd, obuf, olen);
+}
+
+/*
+ * We want to sleep for a little while but need to be responsive if the zone is
+ * halting. We poll/sleep on the event stream so we can notice if we're halting.
+ * Return true if halting, otherwise false.
+ */
+static boolean_t
+halt_sleep(int slptime)
+{
+	struct pollfd evfd[1];
+
+	evfd[0].fd = eventstream[1];
+	evfd[0].events = POLLIN | POLLRDNORM | POLLRDBAND | POLLPRI;
+
+	if (poll(evfd, 1, slptime) > 0) {
+		/* zone halting */
+		return (B_TRUE);
+	}
+	return (B_FALSE);
+}
+
+/*
+ * This routine drives the logging and interactive I/O loop. It polls for
+ * input from the zone side of the fd (output to stdout/stderr), and from the
+ * client (input to the zone's stdin).  Additionally, it polls on the server
+ * fd, and disconnects any clients that might try to hook up with the zone
+ * while the fd's are in use.
+ *
+ * Data from the zone's stdout and stderr is formatted in json and written to
+ * the log file whether an interactive client is connected or not.
+ *
+ * When the client first calls us up, it is expected to send a line giving its
+ * "identity"; this consists of the string 'IDENT <pid> <locale>'. This is so
+ * that we can report that the fd's are busy, along with some diagnostics
+ * about who has them busy; the locale is ignore here but kept for compatability
+ * with the zlogin code when running on the zone's console.
+ *
+ * We need to handle the case where there is no server within the zone (or
+ * the server gets stuck) and data that we're writing to the zone server's
+ * stdin fills the pipe. Because of the way the zfd device works writes can
+ * flow into the stream and simply be dropped, if there is no server, or writes
+ * could return -1 with EAGAIN if the server is stuck. Since we ignore errors
+ * on the write to stdin, we won't get blocked in that case but we'd like to
+ * avoid dropping initial input if the server within the zone hasn't started
+ * yet. To handle this we wait to read initial input until we detect that there
+ * is a server inside the zone. We have to poll for this so that we can
+ * re-run the ioctl to notice when a server shows up. This poll/wait is handled
+ * by halt_sleep() so that we can be responsive if the zone wants to halt.
+ * We only do this check to avoid dropping initial input so it is possible for
+ * the server within the zone to go away later. At that point zfd will just
+ * drop any new input flowing into the stream.
+ */
+static void
+do_zfd_io(int gzctlfd, int gzservfd, int gzerrfd, int stdinfd, int stdoutfd,
+    int stderrfd)
+{
+	struct pollfd pollfds[8];
+	char ibuf[BUFSIZ + 1];
+	int cc, ret;
+	int ctlfd = -1;
+	int clifd = -1;
+	int clierrfd = -1;
+	int pollerr = 0;
+	char clilocale[MAXPATHLEN];
+	pid_t clipid = 0;
+	uint_t flags = 0;
+	boolean_t stdin_ready = B_FALSE;
+	int slptime = 250;	/* initial poll sleep time in ms */
+
+	/* client control socket, watch for read events */
+	pollfds[0].fd = ctlfd;
+	pollfds[0].events = POLLIN | POLLRDNORM | POLLRDBAND |
+	    POLLPRI | POLLERR | POLLHUP | POLLNVAL;
+
+	/* client socket, watch for read events */
+	pollfds[1].fd = clifd;
+	pollfds[1].events = pollfds[0].events;
+
+	/* stdout, watch for read events */
+	pollfds[2].fd = stdoutfd;
+	pollfds[2].events = pollfds[0].events;
+
+	/* stderr, watch for read events */
+	pollfds[3].fd = stderrfd;
+	pollfds[3].events = pollfds[0].events;
+
+	/* the server control socket; watch for new connections */
+	pollfds[4].fd = gzctlfd;
+	pollfds[4].events = POLLIN | POLLRDNORM;
+
+	/* the server stdin/out socket; watch for new connections */
+	pollfds[5].fd = gzservfd;
+	pollfds[5].events = POLLIN | POLLRDNORM;
+
+	/* the server stderr socket; watch for new connections */
+	pollfds[6].fd = gzerrfd;
+	pollfds[6].events = POLLIN | POLLRDNORM;
+
+	/* the eventstream; any input means the zone is halting */
+	pollfds[7].fd = eventstream[1];
+	pollfds[7].events = pollfds[0].events;
+
+	while (!shutting_down) {
+		pollfds[0].revents = pollfds[1].revents = 0;
+		pollfds[2].revents = pollfds[3].revents = 0;
+		pollfds[4].revents = pollfds[5].revents = 0;
+		pollfds[6].revents = pollfds[7].revents = 0;
+
+		ret = poll(pollfds, 8, -1);
+		if (ret == -1 && errno != EINTR) {
+			zerror(zlogp, B_TRUE, "poll failed");
+			/* we are hosed, close connection */
+			break;
+		}
+
+		/* control events from client */
+		if (pollfds[0].revents &
+		    (POLLIN | POLLRDNORM | POLLRDBAND | POLLPRI)) {
+			/* process control message */
+			ctlcmd_process(ctlfd, stdoutfd, &flags);
+		} else if (pollfds[0].revents) {
+			/* bail if any error occurs */
+			pollerr = pollfds[0].revents;
+			zerror(zlogp, B_FALSE, "closing connection "
+			    "with control channel, pollerr %d\n", pollerr);
+			break;
+		}
+
+		/* event from client side */
+		if (pollfds[1].revents) {
+			if (stdin_ready) {
+				if (pollfds[1].revents & (POLLIN |
+				    POLLRDNORM | POLLRDBAND | POLLPRI)) {
+					errno = 0;
+					cc = read(clifd, ibuf, BUFSIZ);
+					if (cc > 0) {
+						/*
+						 * See comment for this
+						 * function on what happens if
+						 * there is no reader in the
+						 * zone. EOF is handled below.
+						 */
+						(void) write(stdinfd, ibuf, cc);
+					}
+				} else if (pollfds[1].revents & (POLLERR |
+				    POLLNVAL))  {
+					pollerr = pollfds[1].revents;
+					zerror(zlogp, B_FALSE,
+					    "closing connection "
+					    "with client, pollerr %d\n",
+					    pollerr);
+					break;
+				}
+
+				if (pollfds[1].revents & POLLHUP) {
+					if (flags & ZLOGIN_ZFD_EOF) {
+						/*
+						 * Let the client know. We've
+						 * already serviced any pending
+						 * regular input. Let the
+						 * stream clear since the EOF
+						 * ioctl jumps to the head.
+						 */
+						(void) ioctl(stdinfd, I_FLUSH);
+						if (halt_sleep(250))
+							break;
+						(void) ioctl(stdinfd, ZFD_EOF);
+					}
+					break;
+				}
+			} else {
+				if (ioctl(stdinfd, ZFD_HAS_SLAVE) == 0) {
+					stdin_ready = B_TRUE;
+				} else {
+					/*
+					 * There is nothing in the zone to read
+					 * our input. Presumably the user
+					 * providing input expects something to
+					 * show up, but that is no guarantee.
+					 * Since we haven't serviced the pending
+					 * input poll yet, we don't want to
+					 * immediately loop around but we also
+					 * need to be responsive if the zone is
+					 * halting.
+					 */
+					if (halt_sleep(slptime))
+						break;
+
+					if (slptime < 5000)
+						slptime += 250;
+				}
+			}
+		}
+
+		/* event from the zone's stdout */
+		if (pollfds[2].revents) {
+			if (pollfds[2].revents &
+			    (POLLIN | POLLRDNORM | POLLRDBAND | POLLPRI)) {
+				errno = 0;
+				cc = read(stdoutfd, ibuf, BUFSIZ);
+				if (cc <= 0 && (errno != EINTR) &&
+				    (errno != EAGAIN))
+					break;
+				if (cc > 0) {
+					wr_log_msg(ibuf, cc, 1);
+
+					/*
+					 * Lose output if no one is listening,
+					 * otherwise pass it on.
+					 */
+					if (clifd != -1)
+						(void) write(clifd, ibuf, cc);
+				}
+			} else {
+				pollerr = pollfds[2].revents;
+				zerror(zlogp, B_FALSE,
+				    "closing connection with stdout zfd, "
+				    "pollerr %d\n", pollerr);
+				break;
+			}
+		}
+
+		/* event from the zone's stderr */
+		if (pollfds[3].revents) {
+			if (pollfds[3].revents &
+			    (POLLIN | POLLRDNORM | POLLRDBAND | POLLPRI)) {
+				errno = 0;
+				cc = read(stderrfd, ibuf, BUFSIZ);
+				if (cc <= 0 && (errno != EINTR) &&
+				    (errno != EAGAIN))
+					break;
+				if (cc > 0) {
+					wr_log_msg(ibuf, cc, 2);
+
+					/*
+					 * Lose output if no one is listening,
+					 * otherwise pass it on.
+					 */
+					if (clierrfd != -1)
+						(void) write(clierrfd, ibuf,
+						    cc);
+				}
+			} else {
+				pollerr = pollfds[3].revents;
+				zerror(zlogp, B_FALSE,
+				    "closing connection with stderr zfd, "
+				    "pollerr %d\n", pollerr);
+				break;
+			}
+		}
+
+		/* connect event from server control socket */
+		if (pollfds[4].revents) {
+			if (ctlfd != -1) {
+				/*
+				 * Test the client to see if it is really
+				 * still alive.  If it has died but we
+				 * haven't yet detected that, we might
+				 * deny a legitimate connect attempt.  If it
+				 * is dead, we break out; once we tear down
+				 * the old connection, the new connection
+				 * will happen.
+				 */
+				if (test_client(ctlfd) == -1) {
+					break;
+				}
+				/* we're already handling a client */
+				reject_client(gzctlfd, clipid);
+			} else {
+				ctlfd = accept_client(gzctlfd, &clipid,
+				    clilocale, sizeof (clilocale), &flags);
+				if (ctlfd != -1) {
+					pollfds[0].fd = ctlfd;
+				} else {
+					break;
+				}
+			}
+		}
+
+		/* connect event from server stdin/out socket */
+		if (pollfds[5].revents) {
+			if (ctlfd == -1) {
+				/*
+				 * This shouldn't happen since the client is
+				 * expected to connect on the control socket
+				 * first. If we see this, tear everything down
+				 * and start over.
+				 */
+				zerror(zlogp, B_FALSE, "GZ zfd stdin/stdout "
+				    "connection attempt with no GZ control\n");
+				break;
+			}
+			assert(clifd == -1);
+			if ((clifd = accept_socket(gzservfd, clipid)) != -1) {
+				/* No need to watch for other new connections */
+				pollfds[5].fd = -1;
+				/* Client input is of interest, though */
+				pollfds[1].fd = clifd;
+			} else {
+				break;
+			}
+		}
+
+		/* connection event from server stderr socket */
+		if (pollfds[6].revents) {
+			if (ctlfd == -1) {
+				/*
+				 * Same conditions apply to stderr as stdin/out.
+				 */
+				zerror(zlogp, B_FALSE, "GZ zfd stderr "
+				    "connection attempt with no GZ control\n");
+				break;
+			}
+			assert(clierrfd == -1);
+			if ((clierrfd = accept_socket(gzerrfd, clipid)) != -1) {
+				/* No need to watch for other new connections */
+				pollfds[6].fd = -1;
+			} else {
+				break;
+			}
+		}
+
+		/*
+		 * Watch for events on the eventstream.  This is how we get
+		 * notified of the zone halting, etc.  It provides us a
+		 * "wakeup" from poll when important things happen, which
+		 * is good.
+		 */
+		if (pollfds[7].revents) {
+			break;
+		}
+	}
+
+	if (clifd != -1) {
+		(void) shutdown(clifd, SHUT_RDWR);
+		(void) close(clifd);
+	}
+
+	if (clierrfd != -1) {
+		(void) shutdown(clierrfd, SHUT_RDWR);
+		(void) close(clierrfd);
+	}
+}
+
+static int
+open_fd(zlog_t *zlogp, int id, int rw)
+{
+	int fd;
+	int flag = O_NONBLOCK | O_NOCTTY | O_CLOEXEC;
+	int retried = 0;
+	char stdpath[MAXPATHLEN];
+
+	(void) snprintf(stdpath, sizeof (stdpath), "/dev/zfd/%s/master/%d",
+	    zone_name, id);
+	flag |= rw;
+
+	while (!shutting_down) {
+		if ((fd = open(stdpath, flag)) != -1) {
+			/*
+			 * Setting RPROTDIS on the stream means that the
+			 * control portion of messages received (which we don't
+			 * care about) will be discarded by the stream head. If
+			 * we allowed such messages, we wouldn't be able to use
+			 * read(2), as it fails (EBADMSG) when a message with a
+			 * control element is received.
+			 */
+			if (ioctl(fd, I_SRDOPT, RNORM|RPROTDIS) == -1) {
+				zerror(zlogp, B_TRUE,
+				    "failed to set options on zfd");
+				return (-1);
+			}
+			return (fd);
+		}
+
+		if (retried++ > 60)
+			break;
+
+		(void) sleep(1);
+	}
+
+	zerror(zlogp, B_TRUE, "failed to open zfd");
+	return (-1);
+}
+
+static void
+open_logfile()
+{
+	char logpath[MAXPATHLEN];
+
+	logfd = -1;
+
+	(void) snprintf(logpath, sizeof (logpath), "%s/logs", zonepath);
+	(void) mkdir(logpath, 0700);
+
+	(void) snprintf(logpath, sizeof (logpath), "%s/logs/%s", zonepath,
+	    LOGNAME);
+
+	if ((logfd = open(logpath, O_WRONLY | O_APPEND | O_CREAT, 0600)) == -1)
+		zerror(zlogp, B_TRUE, "failed to open log file");
+}
+
+/* ARGSUSED */
+void
+hup_handler(int i)
+{
+	(void) close(logfd);
+	open_logfile();
+}
+
+/*
+ * Body of the worker thread to log the zfd's stdout and stderr to a log file
+ * and to perform interactive IO to the stdin, stdout and stderr zfd's.
+ *
+ * The stdin, stdout and stderr are from the perspective of the process inside
+ * the zone, so the zoneadmd view is opposite (i.e. we write to the stdin fd
+ * and read from the stdout/stderr fds).
+ */
+static void
+srvr(void *modearg)
+{
+	zlog_mode_t mode = (zlog_mode_t)modearg;
+	int gzctlfd = -1;
+	int gzoutfd = -1;
+	int stdinfd = -1;
+	int stdoutfd = -1;
+	sigset_t blockset;
+	int gzerrfd = -1;
+	int stderrfd = -1;
+
+	if (!shutting_down) {
+		open_logfile();
+	}
+
+	/*
+	 * This thread should receive SIGHUP so that it can close the log
+	 * file, and reopen it, during log rotation.
+	 */
+	sigset(SIGHUP, hup_handler);
+	(void) sigfillset(&blockset);
+	(void) sigdelset(&blockset, SIGHUP);
+	(void) thr_sigsetmask(SIG_BLOCK, &blockset, NULL);
+
+	if (!shutting_down) {
+		if (pipe(eventstream) != 0) {
+			zerror(zlogp, B_TRUE, "failed to open logger control "
+			    "pipe");
+			return;
+		}
+	}
+
+	while (!shutting_down) {
+		if (init_server_sock(zlogp, &gzctlfd, "ctl") == -1) {
+			zerror(zlogp, B_FALSE,
+			    "server setup: control socket init failed");
+			goto death;
+		}
+		if (init_server_sock(zlogp, &gzoutfd, "out") == -1) {
+			zerror(zlogp, B_FALSE,
+			    "server setup: stdout socket init failed");
+			goto death;
+		}
+		if (init_server_sock(zlogp, &gzerrfd, "err") == -1) {
+			zerror(zlogp, B_FALSE,
+			    "server setup: stderr socket init failed");
+			goto death;
+		}
+
+		if (mode == ZLOG_INTERACTIVE) {
+			if ((stdinfd = open_fd(zlogp, 0, O_RDWR)) == -1) {
+				goto death;
+			}
+			stdoutfd = stdinfd;
+		} else {
+			if ((stdinfd = open_fd(zlogp, 0, O_WRONLY)) == -1 ||
+			    (stdoutfd = open_fd(zlogp, 1, O_RDONLY)) == -1 ||
+			    (stderrfd = open_fd(zlogp, 2, O_RDONLY)) == -1) {
+				goto death;
+			}
+		}
+
+		do_zfd_io(gzctlfd, gzoutfd, gzerrfd, stdinfd, stdoutfd,
+		    stderrfd);
+death:
+		destroy_server_sock(gzctlfd, "ctl");
+		destroy_server_sock(gzoutfd, "out");
+		destroy_server_sock(gzerrfd, "err");
+		(void) close(stdinfd);
+		if (mode != ZLOG_INTERACTIVE) {
+			(void) close(stdoutfd);
+			(void) close(stderrfd);
+		}
+	}
+
+	(void) close(eventstream[0]);
+	eventstream[0] = -1;
+	(void) close(eventstream[1]);
+	eventstream[1] = -1;
+	(void) close(logfd);
+}
+
+static zlog_mode_t
+get_logger_mode()
+{
+	zlog_mode_t mode = ZLOG_NONE;
+	zone_dochandle_t handle;
+	struct zone_attrtab attr;
+
+	if ((handle = zonecfg_init_handle()) == NULL)
+		return (mode);
+
+	if (zonecfg_get_handle(zone_name, handle) != Z_OK)
+		goto done;
+
+	if (zonecfg_setattrent(handle) != Z_OK)
+		goto done;
+	while (zonecfg_getattrent(handle, &attr) == Z_OK) {
+		if (strcmp(ZLOG_MODE, attr.zone_attr_name) == 0) {
+			if (strncmp("log", attr.zone_attr_value, 3) == 0) {
+				mode = ZLOG_LOG;
+			} else if (strncmp("int",
+			    attr.zone_attr_value, 3) == 0) {
+				mode = ZLOG_INTERACTIVE;
+			}
+			break;
+		}
+	}
+	(void) zonecfg_endattrent(handle);
+
+done:
+	zonecfg_fini_handle(handle);
+	return (mode);
+}
+
+void
+create_log_thread(zlog_t *logp, zoneid_t id)
+{
+	int res;
+	zlog_mode_t mode;
+
+	shutting_down = 0;
+	zlogp = logp;
+
+	mode = get_logger_mode();
+	if (mode == ZLOG_NONE)
+		return;
+
+	if (init_zfd_devs(zlogp, mode) == -1) {
+		zerror(zlogp, B_FALSE,
+		    "zfd setup: device initialization failed");
+		return;
+	}
+
+	res = thr_create(NULL, 0, (void * (*)(void *))srvr, (void *)mode, 0,
+	    &logger_tid);
+	if (res != 0) {
+		zerror(zlogp, B_FALSE, "error %d creating logger thread", res);
+		logger_tid = 0;
+	}
+}
+
+void
+destroy_log_thread()
+{
+	if (logger_tid != 0) {
+		int stop = 1;
+
+		shutting_down = 1;
+		/* break out of poll to shutdown */
+		if (eventstream[0] != -1)
+			(void) write(eventstream[0], &stop, sizeof (stop));
+		(void) thr_join(logger_tid, NULL, NULL);
+		logger_tid = 0;
+	}
+
+	(void) destroy_zfd_devs(zlogp);
+}
diff --git a/usr/src/cmd/zoneadmd/zoneadmd.c b/usr/src/cmd/zoneadmd/zoneadmd.c
index cb81b77727..72c14bc9ff 100644
--- a/usr/src/cmd/zoneadmd/zoneadmd.c
+++ b/usr/src/cmd/zoneadmd/zoneadmd.c
@@ -22,6 +22,7 @@
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2014 Nexenta Systems, Inc. All rights reserved.
+ * Copyright 2014, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -68,6 +69,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/sysmacros.h>
+#include <sys/time.h>
 
 #include <bsm/adt.h>
 #include <bsm/adt_event.h>
@@ -108,6 +110,8 @@
 
 static char *progname;
 char *zone_name;	/* zone which we are managing */
+zone_dochandle_t snap_hndl;	/* handle for snapshot created when ready */
+char zonepath[MAXNAMELEN];
 char pool_name[MAXNAMELEN];
 char default_brand[MAXNAMELEN];
 char brand_name[MAXNAMELEN];
@@ -116,10 +120,11 @@ boolean_t zone_iscluster;
 boolean_t zone_islabeled;
 boolean_t shutdown_in_progress;
 static zoneid_t zone_id;
+static zoneid_t zone_did = 0;
 dladm_handle_t dld_handle = NULL;
 
-static char pre_statechg_hook[2 * MAXPATHLEN];
-static char post_statechg_hook[2 * MAXPATHLEN];
+char pre_statechg_hook[2 * MAXPATHLEN];
+char post_statechg_hook[2 * MAXPATHLEN];
 char query_hook[2 * MAXPATHLEN];
 
 zlog_t logsys;
@@ -141,6 +146,9 @@ boolean_t bringup_failure_recovery = B_FALSE; /* ignore certain failures */
 
 #define	DEFAULT_LOCALE	"C"
 
+#define	RSRC_NET	"net"
+#define	RSRC_DEV	"device"
+
 static const char *
 z_cmd_name(zone_cmd_t zcmd)
 {
@@ -257,34 +265,31 @@ zerror(zlog_t *zlogp, boolean_t use_strerror, const char *fmt, ...)
 }
 
 /*
- * Emit a warning for any boot arguments which are unrecognized.  Since
- * Solaris boot arguments are getopt(3c) compatible (see kernel(1m)), we
+ * Since Solaris boot arguments are getopt(3c) compatible (see kernel(1m)), we
  * put the arguments into an argv style array, use getopt to process them,
- * and put the resultant argument string back into outargs.
+ * and put the resultant argument string back into outargs. Non-Solaris brands
+ * may support alternate forms of boot arguments so we must handle that as well.
  *
  * During the filtering, we pull out any arguments which are truly "boot"
  * arguments, leaving only those which are to be passed intact to the
  * progenitor process.  The one we support at the moment is -i, which
  * indicates to the kernel which program should be launched as 'init'.
  *
- * A return of Z_INVAL indicates specifically that the arguments are
- * not valid; this is a non-fatal error.  Except for Z_OK, all other return
- * values are treated as fatal.
+ * Except for Z_OK, all other return values are treated as fatal.
  */
 static int
 filter_bootargs(zlog_t *zlogp, const char *inargs, char *outargs,
-    char *init_file, char *badarg)
+    char *init_file)
 {
 	int argc = 0, argc_save;
 	int i;
-	int err;
+	int err = Z_OK;
 	char *arg, *lasts, **argv = NULL, **argv_save;
 	char zonecfg_args[BOOTARGS_MAX];
 	char scratchargs[BOOTARGS_MAX], *sargs;
 	char c;
 
 	bzero(outargs, BOOTARGS_MAX);
-	bzero(badarg, BOOTARGS_MAX);
 
 	/*
 	 * If the user didn't specify transient boot arguments, check
@@ -292,25 +297,10 @@ filter_bootargs(zlog_t *zlogp, const char *inargs, char *outargs,
 	 * and use them if applicable.
 	 */
 	if (inargs == NULL || inargs[0] == '\0')  {
-		zone_dochandle_t handle;
-		if ((handle = zonecfg_init_handle()) == NULL) {
-			zerror(zlogp, B_TRUE,
-			    "getting zone configuration handle");
-			return (Z_BAD_HANDLE);
-		}
-		err = zonecfg_get_snapshot_handle(zone_name, handle);
-		if (err != Z_OK) {
-			zerror(zlogp, B_FALSE,
-			    "invalid configuration snapshot");
-			zonecfg_fini_handle(handle);
-			return (Z_BAD_HANDLE);
-		}
-
 		bzero(zonecfg_args, sizeof (zonecfg_args));
-		(void) zonecfg_get_bootargs(handle, zonecfg_args,
+		(void) zonecfg_get_bootargs(snap_hndl, zonecfg_args,
 		    sizeof (zonecfg_args));
 		inargs = zonecfg_args;
-		zonecfg_fini_handle(handle);
 	}
 
 	if (strlen(inargs) >= BOOTARGS_MAX) {
@@ -390,36 +380,29 @@ filter_bootargs(zlog_t *zlogp, const char *inargs, char *outargs,
 			break;
 		case '?':
 			/*
-			 * We warn about unknown arguments but pass them
-			 * along anyway-- if someone wants to develop their
-			 * own init replacement, they can pass it whatever
-			 * args they want.
+			 * If a brand has its own init, we need to pass along
+			 * whatever the user provides. We use the entire
+			 * unknown string here so that we correctly handle
+			 * unknown long options (e.g. --debug).
 			 */
-			err = Z_INVAL;
 			(void) snprintf(outargs, BOOTARGS_MAX,
-			    "%s -%c", outargs, optopt);
-			(void) snprintf(badarg, BOOTARGS_MAX,
-			    "%s -%c", badarg, optopt);
+			    "%s %s", outargs, argv[optind - 1]);
 			break;
 		}
 	}
 
 	/*
-	 * For Solaris Zones we warn about and discard non-option arguments.
-	 * Hence 'boot foo bar baz gub' --> 'boot'.  However, to be similar
-	 * to the kernel, we concat up all the other remaining boot args.
-	 * and warn on them as a group.
+	 * We need to pass along everything else since we don't know what
+	 * the brand's init is expecting. For example, an argument list like:
+	 *   --confdir /foo --debug
+	 * will cause the getopt parsing to stop at '/foo' but we need to pass
+	 * that on, along with the '--debug'. This does mean that we require
+	 * any of our known options (-ifms) to preceed the brand-specific ones.
 	 */
-	if (optind < argc) {
-		err = Z_INVAL;
-		while (optind < argc) {
-			(void) snprintf(badarg, BOOTARGS_MAX, "%s%s%s",
-			    badarg, strlen(badarg) > 0 ? " " : "",
-			    argv[optind]);
-			optind++;
-		}
-		zerror(zlogp, B_FALSE, "WARNING: Unused or invalid boot "
-		    "arguments `%s'.", badarg);
+	while (optind < argc) {
+		(void) snprintf(outargs, BOOTARGS_MAX, "%s %s", outargs,
+		    argv[optind]);
+		optind++;
 	}
 
 done:
@@ -458,7 +441,7 @@ mkzonedir(zlog_t *zlogp)
  * Run the brand's pre-state change callback, if it exists.
  */
 static int
-brand_prestatechg(zlog_t *zlogp, int state, int cmd)
+brand_prestatechg(zlog_t *zlogp, int state, int cmd, boolean_t debug)
 {
 	char cmdbuf[2 * MAXPATHLEN];
 	const char *altroot;
@@ -471,7 +454,7 @@ brand_prestatechg(zlog_t *zlogp, int state, int cmd)
 	    state, cmd, altroot) > sizeof (cmdbuf))
 		return (-1);
 
-	if (do_subproc(zlogp, cmdbuf, NULL) != 0)
+	if (do_subproc(zlogp, cmdbuf, NULL, debug) != 0)
 		return (-1);
 
 	return (0);
@@ -481,7 +464,7 @@ brand_prestatechg(zlog_t *zlogp, int state, int cmd)
  * Run the brand's post-state change callback, if it exists.
  */
 static int
-brand_poststatechg(zlog_t *zlogp, int state, int cmd)
+brand_poststatechg(zlog_t *zlogp, int state, int cmd, boolean_t debug)
 {
 	char cmdbuf[2 * MAXPATHLEN];
 	const char *altroot;
@@ -494,7 +477,7 @@ brand_poststatechg(zlog_t *zlogp, int state, int cmd)
 	    state, cmd, altroot) > sizeof (cmdbuf))
 		return (-1);
 
-	if (do_subproc(zlogp, cmdbuf, NULL) != 0)
+	if (do_subproc(zlogp, cmdbuf, NULL, debug) != 0)
 		return (-1);
 
 	return (0);
@@ -533,35 +516,44 @@ notify_zonestatd(zoneid_t zoneid)
  * subcommand.
  */
 static int
-zone_ready(zlog_t *zlogp, zone_mnt_t mount_cmd, int zstate)
+zone_ready(zlog_t *zlogp, zone_mnt_t mount_cmd, int zstate, boolean_t debug)
 {
 	int err;
+	boolean_t snapped = B_FALSE;
 
-	if (brand_prestatechg(zlogp, zstate, Z_READY) != 0)
-		return (-1);
-
+	if ((snap_hndl = zonecfg_init_handle()) == NULL) {
+		zerror(zlogp, B_TRUE, "getting zone configuration handle");
+		goto bad;
+	}
 	if ((err = zonecfg_create_snapshot(zone_name)) != Z_OK) {
 		zerror(zlogp, B_FALSE, "unable to create snapshot: %s",
 		    zonecfg_strerror(err));
 		goto bad;
 	}
+	snapped = B_TRUE;
 
-	if ((zone_id = vplat_create(zlogp, mount_cmd)) == -1) {
-		if ((err = zonecfg_destroy_snapshot(zone_name)) != Z_OK)
-			zerror(zlogp, B_FALSE, "destroying snapshot: %s",
-			    zonecfg_strerror(err));
+	if (zonecfg_get_snapshot_handle(zone_name, snap_hndl) != Z_OK) {
+		zerror(zlogp, B_FALSE, "invalid configuration snapshot");
 		goto bad;
 	}
+
+	if (zone_did == 0)
+		zone_did = zone_get_did(zone_name);
+
+	if (brand_prestatechg(zlogp, zstate, Z_READY, debug) != 0)
+		goto bad;
+
+	if ((zone_id = vplat_create(zlogp, mount_cmd, zone_did)) == -1)
+		goto bad;
+
 	if (vplat_bringup(zlogp, mount_cmd, zone_id) != 0) {
 		bringup_failure_recovery = B_TRUE;
-		(void) vplat_teardown(NULL, (mount_cmd != Z_MNT_BOOT), B_FALSE);
-		if ((err = zonecfg_destroy_snapshot(zone_name)) != Z_OK)
-			zerror(zlogp, B_FALSE, "destroying snapshot: %s",
-			    zonecfg_strerror(err));
+		(void) vplat_teardown(NULL, (mount_cmd != Z_MNT_BOOT), B_FALSE,
+		    debug);
 		goto bad;
 	}
 
-	if (brand_poststatechg(zlogp, zstate, Z_READY) != 0)
+	if (brand_poststatechg(zlogp, zstate, Z_READY, debug) != 0)
 		goto bad;
 
 	return (0);
@@ -571,7 +563,13 @@ bad:
 	 * If something goes wrong, we up the zones's state to the target
 	 * state, READY, and then invoke the hook as if we're halting.
 	 */
-	(void) brand_poststatechg(zlogp, ZONE_STATE_READY, Z_HALT);
+	(void) brand_poststatechg(zlogp, ZONE_STATE_READY, Z_HALT, debug);
+	if (snapped)
+		if ((err = zonecfg_destroy_snapshot(zone_name)) != Z_OK)
+			zerror(zlogp, B_FALSE, "destroying snapshot: %s",
+			    zonecfg_strerror(err));
+	zonecfg_fini_handle(snap_hndl);
+	snap_hndl = NULL;
 	return (-1);
 }
 
@@ -623,15 +621,8 @@ mount_early_fs(void *data, const char *spec, const char *dir,
 
 	/* determine the zone rootpath */
 	if (mount_cmd) {
-		char zonepath[MAXPATHLEN];
 		char luroot[MAXPATHLEN];
 
-		if (zone_get_zonepath(zone_name,
-		    zonepath, sizeof (zonepath)) != Z_OK) {
-			zerror(zlogp, B_FALSE, "unable to determine zone path");
-			return (-1);
-		}
-
 		(void) snprintf(luroot, sizeof (luroot), "%s/lu", zonepath);
 		resolve_lofs(zlogp, luroot, sizeof (luroot));
 		(void) strlcpy(rootpath, luroot, sizeof (rootpath));
@@ -686,6 +677,8 @@ mount_early_fs(void *data, const char *spec, const char *dir,
 		char opt_buf[MAX_MNTOPT_STR];
 		int optlen = 0;
 		int mflag = MS_DATA;
+		int i;
+		int ret;
 
 		(void) ct_tmpl_clear(tmpl_fd);
 		/*
@@ -713,9 +706,26 @@ mount_early_fs(void *data, const char *spec, const char *dir,
 			optlen = MAX_MNTOPT_STR;
 			mflag = MS_OPTIONSTR;
 		}
-		if (mount(spec, dir, mflag, fstype, NULL, 0, opt, optlen) != 0)
-			_exit(errno);
-		_exit(0);
+
+		/*
+		 * There is an obscure race condition which can cause mount
+		 * to return EBUSY. This happens for example on the mount
+		 * of the zone's /etc/svc/volatile file system if there is
+		 * a GZ process running svcs -Z, which will touch the
+		 * mountpoint, just as we're trying to do the mount. To cope
+		 * with this, we retry up to 3 times to let this transient
+		 * process get out of the way.
+		 */
+		for (i = 0; i < 3; i++) {
+			ret = 0;
+			if (mount(spec, dir, mflag, fstype, NULL, 0, opt,
+			    optlen) != 0)
+				ret = errno;
+			if (ret != EBUSY)
+				break;
+			(void) sleep(1);
+		}
+		_exit(ret);
 	}
 
 	/* parent */
@@ -739,12 +749,150 @@ mount_early_fs(void *data, const char *spec, const char *dir,
 }
 
 /*
+ * env variable name format
+ *	_ZONECFG_{resource name}_{identifying attr. name}_{property name}
+ * Any dashes (-) in the property names are replaced with underscore (_).
+ */
+static void
+set_zonecfg_env(char *rsrc, char *attr, char *name, char *val)
+{
+	char *p;
+	char nm[MAXNAMELEN];
+
+	if (attr == NULL)
+		(void) snprintf(nm, sizeof (nm), "_ZONECFG_%s_%s", rsrc,
+		    name);
+	else
+		(void) snprintf(nm, sizeof (nm), "_ZONECFG_%s_%s_%s", rsrc,
+		    attr, name);
+
+	p = nm;
+	while ((p = strchr(p, '-')) != NULL)
+		*p++ = '_';
+
+	(void) setenv(nm, val, 1);
+}
+
+/*
+ * Export zonecfg network and device properties into environment for the boot
+ * and state change hooks.
+ * If debug is true, export the brand hook debug env. variable as well.
+ *
+ * We could export more of the config in the future, as necessary.
+ */
+static int
+setup_subproc_env(boolean_t debug)
+{
+	int res;
+	struct zone_nwiftab ntab;
+	struct zone_devtab dtab;
+	struct zone_attrtab atab;
+	char net_resources[MAXNAMELEN * 2];
+	char dev_resources[MAXNAMELEN * 2];
+
+	/* snap_hndl is null when called through the set_brand_env code path */
+	if (snap_hndl == NULL)
+		return (Z_OK);
+
+	net_resources[0] = '\0';
+	if ((res = zonecfg_setnwifent(snap_hndl)) != Z_OK)
+		goto done;
+
+	while (zonecfg_getnwifent(snap_hndl, &ntab) == Z_OK) {
+		struct zone_res_attrtab *rap;
+		char *phys;
+
+		phys = ntab.zone_nwif_physical;
+
+		(void) strlcat(net_resources, phys, sizeof (net_resources));
+		(void) strlcat(net_resources, " ", sizeof (net_resources));
+
+		set_zonecfg_env(RSRC_NET, phys, "physical", phys);
+
+		set_zonecfg_env(RSRC_NET, phys, "address",
+		    ntab.zone_nwif_address);
+		set_zonecfg_env(RSRC_NET, phys, "allowed-address",
+		    ntab.zone_nwif_allowed_address);
+		set_zonecfg_env(RSRC_NET, phys, "defrouter",
+		    ntab.zone_nwif_defrouter);
+		set_zonecfg_env(RSRC_NET, phys, "global-nic",
+		    ntab.zone_nwif_gnic);
+		set_zonecfg_env(RSRC_NET, phys, "mac-addr", ntab.zone_nwif_mac);
+		set_zonecfg_env(RSRC_NET, phys, "vlan-id",
+		    ntab.zone_nwif_vlan_id);
+
+		for (rap = ntab.zone_nwif_attrp; rap != NULL;
+		    rap = rap->zone_res_attr_next)
+			set_zonecfg_env(RSRC_NET, phys, rap->zone_res_attr_name,
+			    rap->zone_res_attr_value);
+		nwifent_free_attrs(&ntab);
+	}
+
+	(void) setenv("_ZONECFG_net_resources", net_resources, 1);
+
+	(void) zonecfg_endnwifent(snap_hndl);
+
+	if ((res = zonecfg_setdevent(snap_hndl)) != Z_OK)
+		goto done;
+
+	while (zonecfg_getdevent(snap_hndl, &dtab) == Z_OK) {
+		struct zone_res_attrtab *rap;
+		char *match;
+
+		match = dtab.zone_dev_match;
+
+		(void) strlcat(dev_resources, match, sizeof (dev_resources));
+		(void) strlcat(dev_resources, " ", sizeof (dev_resources));
+
+		for (rap = dtab.zone_dev_attrp; rap != NULL;
+		    rap = rap->zone_res_attr_next)
+			set_zonecfg_env(RSRC_DEV, match,
+			    rap->zone_res_attr_name, rap->zone_res_attr_value);
+	}
+
+	(void) zonecfg_enddevent(snap_hndl);
+
+	if ((res = zonecfg_setattrent(snap_hndl)) != Z_OK)
+		goto done;
+
+	while (zonecfg_getattrent(snap_hndl, &atab) == Z_OK) {
+		set_zonecfg_env("attr", NULL, atab.zone_attr_name,
+		    atab.zone_attr_value);
+	}
+
+	(void) zonecfg_endattrent(snap_hndl);
+
+	if (debug)
+		(void) setenv("_ZONEADMD_brand_debug", "1", 1);
+	else
+		(void) setenv("_ZONEADMD_brand_debug", "", 1);
+
+	res = Z_OK;
+
+done:
+	return (res);
+}
+
+void
+nwifent_free_attrs(struct zone_nwiftab *np)
+{
+	struct zone_res_attrtab *rap;
+
+	for (rap = np->zone_nwif_attrp; rap != NULL; ) {
+		struct zone_res_attrtab *tp = rap;
+
+		rap = rap->zone_res_attr_next;
+		free(tp);
+	}
+}
+
+/*
  * If retstr is not NULL, the output of the subproc is returned in the str,
  * otherwise it is output using zerror().  Any memory allocated for retstr
  * should be freed by the caller.
  */
 int
-do_subproc(zlog_t *zlogp, char *cmdbuf, char **retstr)
+do_subproc(zlog_t *zlogp, char *cmdbuf, char **retstr, boolean_t debug)
 {
 	char buf[1024];		/* arbitrary large amount */
 	char *inbuf;
@@ -763,6 +911,11 @@ do_subproc(zlog_t *zlogp, char *cmdbuf, char **retstr)
 		inbuf = buf;
 	}
 
+	if (setup_subproc_env(debug) != Z_OK) {
+		zerror(zlogp, B_FALSE, "failed to setup environment");
+		return (-1);
+	}
+
 	file = popen(cmdbuf, "r");
 	if (file == NULL) {
 		zerror(zlogp, B_TRUE, "could not launch: %s", cmdbuf);
@@ -771,8 +924,13 @@ do_subproc(zlog_t *zlogp, char *cmdbuf, char **retstr)
 
 	while (fgets(inbuf, 1024, file) != NULL) {
 		if (retstr == NULL) {
-			if (zlogp != &logsys)
+			if (zlogp != &logsys) {
+				int last = strlen(inbuf) - 1;
+
+				if (inbuf[last] == '\n')
+					inbuf[last] = '\0';
 				zerror(zlogp, B_FALSE, "%s", inbuf);
+			}
 		} else {
 			char *p;
 
@@ -802,24 +960,66 @@ do_subproc(zlog_t *zlogp, char *cmdbuf, char **retstr)
 	return (WEXITSTATUS(status));
 }
 
+/*
+ * Get the path for this zone's init(1M) (or equivalent) process. First look
+ * for a zone-specific init-name attr, then get it from the brand.
+ */
 static int
-zone_bootup(zlog_t *zlogp, const char *bootargs, int zstate)
+get_initname(brand_handle_t bh, char *initname, int len)
+{
+	struct zone_attrtab a;
+
+	bzero(&a, sizeof (a));
+	(void) strlcpy(a.zone_attr_name, "init-name",
+	    sizeof (a.zone_attr_name));
+
+	if (zonecfg_lookup_attr(snap_hndl, &a) == Z_OK) {
+		(void) strlcpy(initname, a.zone_attr_value, len);
+		return (0);
+	}
+
+	return (brand_get_initname(bh, initname, len));
+}
+
+/*
+ * Get the restart-init flag for this zone's init(1M) (or equivalent) process.
+ * First look for a zone-specific restart-init attr, then get it from the brand.
+ */
+static boolean_t
+restartinit(brand_handle_t bh)
+{
+	struct zone_attrtab a;
+
+	bzero(&a, sizeof (a));
+	(void) strlcpy(a.zone_attr_name, "restart-init",
+	    sizeof (a.zone_attr_name));
+
+	if (zonecfg_lookup_attr(snap_hndl, &a) == Z_OK) {
+		if (strcmp(a.zone_attr_value, "false") == 0)
+			return (B_FALSE);
+		return (B_TRUE);
+	}
+
+	return (brand_restartinit(bh));
+}
+
+static int
+zone_bootup(zlog_t *zlogp, const char *bootargs, int zstate, boolean_t debug)
 {
 	zoneid_t zoneid;
 	struct stat st;
-	char zpath[MAXPATHLEN], initpath[MAXPATHLEN], init_file[MAXPATHLEN];
+	char rpath[MAXPATHLEN], initpath[MAXPATHLEN], init_file[MAXPATHLEN];
 	char nbootargs[BOOTARGS_MAX];
 	char cmdbuf[MAXPATHLEN];
 	fs_callback_t cb;
 	brand_handle_t bh;
 	zone_iptype_t iptype;
-	boolean_t links_loaded = B_FALSE;
 	dladm_status_t status;
 	char errmsg[DLADM_STRSIZE];
 	int err;
 	boolean_t restart_init;
 
-	if (brand_prestatechg(zlogp, zstate, Z_BOOT) != 0)
+	if (brand_prestatechg(zlogp, zstate, Z_BOOT, debug) != 0)
 		return (-1);
 
 	if ((zoneid = getzoneidbyname(zone_name)) == -1) {
@@ -852,13 +1052,8 @@ zone_bootup(zlog_t *zlogp, const char *bootargs, int zstate)
 	/*
 	 * Get the brand's boot callback if it exists.
 	 */
-	if (zone_get_zonepath(zone_name, zpath, sizeof (zpath)) != Z_OK) {
-		zerror(zlogp, B_FALSE, "unable to determine zone path");
-		brand_close(bh);
-		goto bad;
-	}
 	(void) strcpy(cmdbuf, EXEC_PREFIX);
-	if (brand_get_boot(bh, zone_name, zpath, cmdbuf + EXEC_LEN,
+	if (brand_get_boot(bh, zone_name, zonepath, cmdbuf + EXEC_LEN,
 	    sizeof (cmdbuf) - EXEC_LEN) != 0) {
 		zerror(zlogp, B_FALSE,
 		    "unable to determine branded zone's boot callback");
@@ -867,34 +1062,31 @@ zone_bootup(zlog_t *zlogp, const char *bootargs, int zstate)
 	}
 
 	/* Get the path for this zone's init(1M) (or equivalent) process.  */
-	if (brand_get_initname(bh, init_file, MAXPATHLEN) != 0) {
+	if (get_initname(bh, init_file, MAXPATHLEN) != 0) {
 		zerror(zlogp, B_FALSE,
 		    "unable to determine zone's init(1M) location");
 		brand_close(bh);
 		goto bad;
 	}
 
-	/* See if this zone's brand should restart init if it dies. */
-	restart_init = brand_restartinit(bh);
+	/* See if we should restart init if it dies. */
+	restart_init = restartinit(bh);
 
 	brand_close(bh);
 
-	err = filter_bootargs(zlogp, bootargs, nbootargs, init_file,
-	    bad_boot_arg);
-	if (err == Z_INVAL)
-		eventstream_write(Z_EVT_ZONE_BADARGS);
-	else if (err != Z_OK)
+	err = filter_bootargs(zlogp, bootargs, nbootargs, init_file);
+	if (err != Z_OK)
 		goto bad;
 
 	assert(init_file[0] != '\0');
 
 	/* Try to anticipate possible problems: Make sure init is executable. */
-	if (zone_get_rootpath(zone_name, zpath, sizeof (zpath)) != Z_OK) {
+	if (zone_get_rootpath(zone_name, rpath, sizeof (rpath)) != Z_OK) {
 		zerror(zlogp, B_FALSE, "unable to determine zone root");
 		goto bad;
 	}
 
-	(void) snprintf(initpath, sizeof (initpath), "%s%s", zpath, init_file);
+	(void) snprintf(initpath, sizeof (initpath), "%s%s", rpath, init_file);
 
 	if (stat(initpath, &st) == -1) {
 		zerror(zlogp, B_TRUE, "could not stat %s", initpath);
@@ -919,7 +1111,6 @@ zone_bootup(zlog_t *zlogp, const char *bootargs, int zstate)
 			    " %s", dladm_status2str(status, errmsg));
 			goto bad;
 		}
-		links_loaded = B_TRUE;
 	}
 
 	/*
@@ -928,7 +1119,7 @@ zone_bootup(zlog_t *zlogp, const char *bootargs, int zstate)
 	 * is booted.
 	 */
 	if ((strlen(cmdbuf) > EXEC_LEN) &&
-	    (do_subproc(zlogp, cmdbuf, NULL) != Z_OK)) {
+	    (do_subproc(zlogp, cmdbuf, NULL, debug) != Z_OK)) {
 		zerror(zlogp, B_FALSE, "%s failed", cmdbuf);
 		goto bad;
 	}
@@ -960,9 +1151,15 @@ zone_bootup(zlog_t *zlogp, const char *bootargs, int zstate)
 		goto bad;
 	}
 
-	if (brand_poststatechg(zlogp, zstate, Z_BOOT) != 0)
+	if (brand_poststatechg(zlogp, zstate, Z_BOOT, debug) != 0)
 		goto bad;
 
+	/* Startup a thread to perform zfd logging/tty svc for the zone. */
+	create_log_thread(zlogp, zone_id);
+
+	/* Startup a thread to perform memory capping for the zone. */
+	create_mcap_thread(zlogp, zone_id);
+
 	return (0);
 
 bad:
@@ -970,32 +1167,42 @@ bad:
 	 * If something goes wrong, we up the zones's state to the target
 	 * state, RUNNING, and then invoke the hook as if we're halting.
 	 */
-	(void) brand_poststatechg(zlogp, ZONE_STATE_RUNNING, Z_HALT);
-	if (links_loaded)
-		(void) dladm_zone_halt(dld_handle, zoneid);
+	(void) brand_poststatechg(zlogp, ZONE_STATE_RUNNING, Z_HALT, debug);
+
 	return (-1);
 }
 
 static int
-zone_halt(zlog_t *zlogp, boolean_t unmount_cmd, boolean_t rebooting, int zstate)
+zone_halt(zlog_t *zlogp, boolean_t unmount_cmd, boolean_t rebooting, int zstate,
+    boolean_t debug)
 {
 	int err;
 
-	if (brand_prestatechg(zlogp, zstate, Z_HALT) != 0)
+	if (brand_prestatechg(zlogp, zstate, Z_HALT, debug) != 0)
 		return (-1);
 
-	if (vplat_teardown(zlogp, unmount_cmd, rebooting) != 0) {
+	/* Shutting down, stop the memcap thread */
+	destroy_mcap_thread();
+
+	if (vplat_teardown(zlogp, unmount_cmd, rebooting, debug) != 0) {
 		if (!bringup_failure_recovery)
 			zerror(zlogp, B_FALSE, "unable to destroy zone");
+		destroy_log_thread();
 		return (-1);
 	}
 
+	/* Shut down is done, stop the log thread */
+	destroy_log_thread();
+
+	if (brand_poststatechg(zlogp, zstate, Z_HALT, debug) != 0)
+		return (-1);
+
 	if ((err = zonecfg_destroy_snapshot(zone_name)) != Z_OK)
 		zerror(zlogp, B_FALSE, "destroying snapshot: %s",
 		    zonecfg_strerror(err));
 
-	if (brand_poststatechg(zlogp, zstate, Z_HALT) != 0)
-		return (-1);
+	zonecfg_fini_handle(snap_hndl);
+	snap_hndl = NULL;
 
 	return (0);
 }
@@ -1007,7 +1214,6 @@ zone_graceful_shutdown(zlog_t *zlogp)
 	pid_t child;
 	char cmdbuf[MAXPATHLEN];
 	brand_handle_t bh = NULL;
-	char zpath[MAXPATHLEN];
 	ctid_t ct;
 	int tmpl_fd;
 	int child_status;
@@ -1028,18 +1234,12 @@ zone_graceful_shutdown(zlog_t *zlogp)
 		return (-1);
 	}
 
-	if (zone_get_zonepath(zone_name, zpath, sizeof (zpath)) != Z_OK) {
-		zerror(zlogp, B_FALSE, "unable to determine zone path");
-		brand_close(bh);
-		return (-1);
-	}
-
 	/*
 	 * If there is a brand 'shutdown' callback, execute it now to give the
 	 * brand a chance to cleanup any custom configuration.
 	 */
 	(void) strcpy(cmdbuf, EXEC_PREFIX);
-	if (brand_get_shutdown(bh, zone_name, zpath, cmdbuf + EXEC_LEN,
+	if (brand_get_shutdown(bh, zone_name, zonepath, cmdbuf + EXEC_LEN,
 	    sizeof (cmdbuf) - EXEC_LEN) != 0 || strlen(cmdbuf) <= EXEC_LEN) {
 		(void) strcat(cmdbuf, SHUTDOWN_DEFAULT);
 	}
@@ -1177,6 +1377,36 @@ audit_put_record(zlog_t *zlogp, ucred_t *uc, int return_val,
 }
 
 /*
+ * Log the exit time and status of the zone's init process into
+ * {zonepath}/lastexited. If the zone shutdown normally, the exit status will
+ * be -1, otherwise it will be the exit status as described in wait.3c.
+ * If the zone is configured to restart init, then nothing will be logged if
+ * init exits unexpectedly (the kernel will never upcall in this case).
+ */
+static void
+log_init_exit(int status)
+{
+	char p[MAXPATHLEN];
+	char buf[128];
+	struct timeval t;
+	int fd;
+
+	if (snprintf(p, sizeof (p), "%s/lastexited", zonepath) > sizeof (p))
+		return;
+	if (gettimeofday(&t, NULL) != 0)
+		return;
+	if (snprintf(buf, sizeof (buf), "%ld.%ld %d\n", t.tv_sec, t.tv_usec,
+	    status) > sizeof (buf))
+		return;
+	if ((fd = open(p, O_WRONLY | O_CREAT | O_TRUNC, 0644)) < 0)
+		return;
+
+	(void) write(fd, buf, strlen(buf));
+
+	(void) close(fd);
+}
+
+/*
  * The main routine for the door server that deals with zone state transitions.
  */
 /* ARGSUSED */
@@ -1189,9 +1419,11 @@ server(void *cookie, char *args, size_t alen, door_desc_t *dp,
 
 	zone_state_t zstate;
 	zone_cmd_t cmd;
+	boolean_t debug;
+	int init_status;
 	zone_cmd_arg_t *zargp;
 
-	boolean_t kernelcall;
+	boolean_t kernelcall = B_TRUE;
 
 	int rval = -1;
 	uint64_t uniqid;
@@ -1241,6 +1473,8 @@ server(void *cookie, char *args, size_t alen, door_desc_t *dp,
 		goto out;
 	}
 	cmd = zargp->cmd;
+	debug = zargp->debug;
+	init_status = zargp->status;
 
 	if (door_ucred(&uc) != 0) {
 		zerror(&logsys, B_TRUE, "door_ucred");
@@ -1347,23 +1581,25 @@ server(void *cookie, char *args, size_t alen, door_desc_t *dp,
 	case ZONE_STATE_INSTALLED:
 		switch (cmd) {
 		case Z_READY:
-			rval = zone_ready(zlogp, Z_MNT_BOOT, zstate);
+			rval = zone_ready(zlogp, Z_MNT_BOOT, zstate, debug);
 			if (rval == 0)
 				eventstream_write(Z_EVT_ZONE_READIED);
+			zcons_statechanged();
 			break;
 		case Z_BOOT:
 		case Z_FORCEBOOT:
 			eventstream_write(Z_EVT_ZONE_BOOTING);
-			if ((rval = zone_ready(zlogp, Z_MNT_BOOT, zstate))
-			    == 0) {
+			if ((rval = zone_ready(zlogp, Z_MNT_BOOT, zstate,
+			    debug)) == 0) {
 				rval = zone_bootup(zlogp, zargp->bootbuf,
-				    zstate);
+				    zstate, debug);
 			}
 			audit_put_record(zlogp, uc, rval, "boot");
+			zcons_statechanged();
 			if (rval != 0) {
 				bringup_failure_recovery = B_TRUE;
 				(void) zone_halt(zlogp, B_FALSE, B_FALSE,
-				    zstate);
+				    zstate, debug);
 				eventstream_write(Z_EVT_ZONE_BOOTFAILED);
 			}
 			break;
@@ -1415,7 +1651,7 @@ server(void *cookie, char *args, size_t alen, door_desc_t *dp,
 
 			rval = zone_ready(zlogp,
 			    strcmp(zargp->bootbuf, "-U") == 0 ?
-			    Z_MNT_UPDATE : Z_MNT_SCRATCH, zstate);
+			    Z_MNT_UPDATE : Z_MNT_SCRATCH, zstate, debug);
 			if (rval != 0)
 				break;
 
@@ -1477,15 +1713,18 @@ server(void *cookie, char *args, size_t alen, door_desc_t *dp,
 			rval = 0;
 			break;
 		case Z_BOOT:
+		case Z_FORCEBOOT:
 			(void) strlcpy(boot_args, zargp->bootbuf,
 			    sizeof (boot_args));
 			eventstream_write(Z_EVT_ZONE_BOOTING);
-			rval = zone_bootup(zlogp, zargp->bootbuf, zstate);
+			rval = zone_bootup(zlogp, zargp->bootbuf, zstate,
+			    debug);
 			audit_put_record(zlogp, uc, rval, "boot");
+			zcons_statechanged();
 			if (rval != 0) {
 				bringup_failure_recovery = B_TRUE;
 				(void) zone_halt(zlogp, B_FALSE, B_TRUE,
-				    zstate);
+				    zstate, debug);
 				eventstream_write(Z_EVT_ZONE_BOOTFAILED);
 			}
 			boot_args[0] = '\0';
@@ -1493,15 +1732,17 @@ server(void *cookie, char *args, size_t alen, door_desc_t *dp,
 		case Z_HALT:
 			if (kernelcall)	/* Invalid; can't happen */
 				abort();
-			if ((rval = zone_halt(zlogp, B_FALSE, B_FALSE, zstate))
-			    != 0)
+			if ((rval = zone_halt(zlogp, B_FALSE, B_FALSE, zstate,
+			    debug)) != 0)
 				break;
+			zcons_statechanged();
 			eventstream_write(Z_EVT_ZONE_HALTED);
 			break;
 		case Z_SHUTDOWN:
 		case Z_REBOOT:
 		case Z_NOTE_UNINSTALLING:
 		case Z_MOUNT:
+		case Z_FORCEMOUNT:
 		case Z_UNMOUNT:
 			if (kernelcall)	/* Invalid; can't happen */
 				abort();
@@ -1518,7 +1759,7 @@ server(void *cookie, char *args, size_t alen, door_desc_t *dp,
 		case Z_UNMOUNT:
 			if (kernelcall)	/* Invalid; can't happen */
 				abort();
-			rval = zone_halt(zlogp, B_TRUE, B_FALSE, zstate);
+			rval = zone_halt(zlogp, B_TRUE, B_FALSE, zstate, debug);
 			if (rval == 0) {
 				eventstream_write(Z_EVT_ZONE_HALTED);
 				(void) sema_post(&scratch_sem);
@@ -1540,15 +1781,18 @@ server(void *cookie, char *args, size_t alen, door_desc_t *dp,
 	case ZONE_STATE_DOWN:
 		switch (cmd) {
 		case Z_READY:
-			if ((rval = zone_halt(zlogp, B_FALSE, B_TRUE, zstate))
-			    != 0)
+			if ((rval = zone_halt(zlogp, B_FALSE, B_TRUE, zstate,
+			    debug)) != 0)
 				break;
-			if ((rval = zone_ready(zlogp, Z_MNT_BOOT, zstate)) == 0)
+			zcons_statechanged();
+			if ((rval = zone_ready(zlogp, Z_MNT_BOOT, zstate,
+			    debug)) == 0)
 				eventstream_write(Z_EVT_ZONE_READIED);
 			else
 				eventstream_write(Z_EVT_ZONE_HALTED);
 			break;
 		case Z_BOOT:
+		case Z_FORCEBOOT:
 			/*
 			 * We could have two clients racing to boot this
 			 * zone; the second client loses, but his request
@@ -1559,32 +1803,40 @@ server(void *cookie, char *args, size_t alen, door_desc_t *dp,
 			rval = 0;
 			break;
 		case Z_HALT:
-			if ((rval = zone_halt(zlogp, B_FALSE, B_FALSE, zstate))
-			    != 0)
+			if (kernelcall) {
+				log_init_exit(init_status);
+			} else {
+				log_init_exit(-1);
+			}
+			if ((rval = zone_halt(zlogp, B_FALSE, B_FALSE, zstate,
+			    debug)) != 0)
 				break;
 			eventstream_write(Z_EVT_ZONE_HALTED);
+			zcons_statechanged();
 			break;
 		case Z_REBOOT:
 			(void) strlcpy(boot_args, zargp->bootbuf,
 			    sizeof (boot_args));
 			eventstream_write(Z_EVT_ZONE_REBOOTING);
-			if ((rval = zone_halt(zlogp, B_FALSE, B_TRUE, zstate))
-			    != 0) {
+			if ((rval = zone_halt(zlogp, B_FALSE, B_TRUE, zstate,
+			    debug)) != 0) {
 				eventstream_write(Z_EVT_ZONE_BOOTFAILED);
 				boot_args[0] = '\0';
 				break;
 			}
-			if ((rval = zone_ready(zlogp, Z_MNT_BOOT, zstate))
-			    != 0) {
+			zcons_statechanged();
+			if ((rval = zone_ready(zlogp, Z_MNT_BOOT, zstate,
+			    debug)) != 0) {
 				eventstream_write(Z_EVT_ZONE_BOOTFAILED);
 				boot_args[0] = '\0';
 				break;
 			}
-			rval = zone_bootup(zlogp, zargp->bootbuf, zstate);
+			rval = zone_bootup(zlogp, zargp->bootbuf, zstate,
+			    debug);
 			audit_put_record(zlogp, uc, rval, "reboot");
 			if (rval != 0) {
 				(void) zone_halt(zlogp, B_FALSE, B_TRUE,
-				    zstate);
+				    zstate, debug);
 				eventstream_write(Z_EVT_ZONE_BOOTFAILED);
 			}
 			boot_args[0] = '\0';
@@ -1596,6 +1848,7 @@ server(void *cookie, char *args, size_t alen, door_desc_t *dp,
 			break;
 		case Z_NOTE_UNINSTALLING:
 		case Z_MOUNT:
+		case Z_FORCEMOUNT:
 		case Z_UNMOUNT:
 			zerror(zlogp, B_FALSE, "%s operation is invalid "
 			    "for zones in state '%s'", z_cmd_name(cmd),
@@ -1759,11 +2012,38 @@ top:
 		 * state.
 		 */
 		if (zstate > ZONE_STATE_INSTALLED) {
+			static zoneid_t zid;
+
 			zerror(zlogp, B_FALSE,
 			    "zone '%s': WARNING: zone is in state '%s', but "
 			    "zoneadmd does not appear to be available; "
 			    "restarted zoneadmd to recover.",
 			    zone_name, zone_state_str(zstate));
+
+			/*
+			 * Startup a thread to perform the zfd logging/tty svc
+			 * and a thread to perform memory capping for the
+			 * zone. zlogp won't be valid for much longer so use
+			 * logsys.
+			 */
+			if ((zid = getzoneidbyname(zone_name)) != -1) {
+				create_log_thread(&logsys, zid);
+				create_mcap_thread(&logsys, zid);
+			}
+
+			/* recover the global configuration snapshot */
+			if (snap_hndl == NULL) {
+				if ((snap_hndl = zonecfg_init_handle())
+				    == NULL ||
+				    zonecfg_create_snapshot(zone_name)
+				    != Z_OK ||
+				    zonecfg_get_snapshot_handle(zone_name,
+				    snap_hndl) != Z_OK) {
+					zerror(zlogp, B_FALSE, "recovering "
+					    "zone configuration handle");
+					goto out;
+				}
+			}
 		}
 
 		(void) fdetach(zone_door_path);
@@ -1777,21 +2057,62 @@ out:
 }
 
 /*
- * Setup the brand's pre and post state change callbacks, as well as the
- * query callback, if any of these exist.
+ * Run the query hook with the 'env' parameter.  It should return a
+ * string of tab-delimited key-value pairs, each of which should be set
+ * in the environment.
+ *
+ * Because the env_vars string values become part of the environment, the
+ * string is static and we don't free it.
+ *
+ * This function is always called before zoneadmd forks and makes itself
+ * exclusive, so it is possible there could more than one instance of zoneadmd
+ * running in parallel at this point. Thus, we have no zonecfg snapshot and
+ * shouldn't take one yet (i.e. snap_hndl is NULL). Thats ok, since we don't
+ * need any zonecfg info to query for a brand-specific env value.
  */
 static int
-brand_callback_init(brand_handle_t bh, char *zone_name)
+set_brand_env(zlog_t *zlogp)
 {
-	char zpath[MAXPATHLEN];
+	int ret = 0;
+	static char *env_vars = NULL;
+	char buf[2 * MAXPATHLEN];
+
+	if (query_hook[0] == '\0' || env_vars != NULL)
+		return (0);
+
+	if (snprintf(buf, sizeof (buf), "%s env", query_hook) > sizeof (buf))
+		return (-1);
 
-	if (zone_get_zonepath(zone_name, zpath, sizeof (zpath)) != Z_OK)
+	if (do_subproc(zlogp, buf, &env_vars, B_FALSE) != 0)
 		return (-1);
 
+	if (env_vars != NULL) {
+		char *sp;
+
+		sp = strtok(env_vars, "\t");
+		while (sp != NULL) {
+			if (putenv(sp) != 0) {
+				ret = -1;
+				break;
+			}
+			sp = strtok(NULL, "\t");
+		}
+	}
+
+	return (ret);
+}
+
+/*
+ * Setup the brand's pre and post state change callbacks, as well as the
+ * query callback, if any of these exist.
+ */
+static int
+brand_callback_init(brand_handle_t bh, char *zone_name)
+{
 	(void) strlcpy(pre_statechg_hook, EXEC_PREFIX,
 	    sizeof (pre_statechg_hook));
 
-	if (brand_get_prestatechange(bh, zone_name, zpath,
+	if (brand_get_prestatechange(bh, zone_name, zonepath,
 	    pre_statechg_hook + EXEC_LEN,
 	    sizeof (pre_statechg_hook) - EXEC_LEN) != 0)
 		return (-1);
@@ -1802,7 +2123,7 @@ brand_callback_init(brand_handle_t bh, char *zone_name)
 	(void) strlcpy(post_statechg_hook, EXEC_PREFIX,
 	    sizeof (post_statechg_hook));
 
-	if (brand_get_poststatechange(bh, zone_name, zpath,
+	if (brand_get_poststatechange(bh, zone_name, zonepath,
 	    post_statechg_hook + EXEC_LEN,
 	    sizeof (post_statechg_hook) - EXEC_LEN) != 0)
 		return (-1);
@@ -1813,7 +2134,7 @@ brand_callback_init(brand_handle_t bh, char *zone_name)
 	(void) strlcpy(query_hook, EXEC_PREFIX,
 	    sizeof (query_hook));
 
-	if (brand_get_query(bh, zone_name, zpath, query_hook + EXEC_LEN,
+	if (brand_get_query(bh, zone_name, zonepath, query_hook + EXEC_LEN,
 	    sizeof (query_hook) - EXEC_LEN) != 0)
 		return (-1);
 
@@ -1941,6 +2262,11 @@ main(int argc, char *argv[])
 		return (1);
 	}
 
+	if (zone_get_zonepath(zone_name, zonepath, sizeof (zonepath)) != Z_OK) {
+		zerror(zlogp, B_FALSE, "unable to determine zone path");
+		return (-1);
+	}
+
 	if (zonecfg_default_brand(default_brand,
 	    sizeof (default_brand)) != Z_OK) {
 		zerror(zlogp, B_FALSE, "unable to determine default brand");
@@ -2012,6 +2338,11 @@ main(int argc, char *argv[])
 	}
 	priv_freeset(privset);
 
+	if (set_brand_env(zlogp) != 0) {
+		zerror(zlogp, B_FALSE, "Unable to setup brand's environment");
+		return (1);
+	}
+
 	if (mkzonedir(zlogp) != 0)
 		return (1);
 
@@ -2052,6 +2383,13 @@ main(int argc, char *argv[])
 	(void) sigaddset(&block_cld, SIGCHLD);
 	(void) sigprocmask(SIG_BLOCK, &block_cld, NULL);
 
+	/*
+	 * The parent only needs stderr after the fork, so close other fd's
+	 * that we inherited from zoneadm so that the parent doesn't have those
+	 * open while waiting. The child will close the rest after the fork.
+	 */
+	closefrom(3);
+
 	if ((ctfd = init_template()) == -1) {
 		zerror(zlogp, B_TRUE, "failed to create contract");
 		return (1);
diff --git a/usr/src/cmd/zoneadmd/zoneadmd.h b/usr/src/cmd/zoneadmd/zoneadmd.h
index d784a303b3..7e5dcea432 100644
--- a/usr/src/cmd/zoneadmd/zoneadmd.h
+++ b/usr/src/cmd/zoneadmd/zoneadmd.h
@@ -22,6 +22,7 @@
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2014 Nexenta Systems, Inc. All rights reserved.
+ * Copyright 2014, Joyent, Inc. All rights reserved.
  */
 
 #ifndef	_ZONEADMD_H
@@ -90,17 +91,19 @@ extern mutex_t msglock;
 extern boolean_t in_death_throes;
 extern boolean_t bringup_failure_recovery;
 extern char *zone_name;
+extern char zonepath[MAXNAMELEN];
+extern zone_dochandle_t snap_hndl;
 extern char pool_name[MAXNAMELEN];
 extern char brand_name[MAXNAMELEN];
 extern char default_brand[MAXNAMELEN];
 extern char boot_args[BOOTARGS_MAX];
-extern char bad_boot_arg[BOOTARGS_MAX];
 extern boolean_t zone_isnative;
 extern boolean_t zone_iscluster;
 extern dladm_handle_t dld_handle;
 
 extern void zerror(zlog_t *, boolean_t, const char *, ...);
 extern char *localize_msg(char *locale, const char *msg);
+extern void nwifent_free_attrs(struct zone_nwiftab *);
 
 /*
  * Eventstream interfaces.
@@ -112,8 +115,7 @@ typedef enum {
 	Z_EVT_ZONE_HALTED,
 	Z_EVT_ZONE_READIED,
 	Z_EVT_ZONE_UNINSTALLING,
-	Z_EVT_ZONE_BOOTFAILED,
-	Z_EVT_ZONE_BADARGS
+	Z_EVT_ZONE_BOOTFAILED
 } zone_evt_t;
 
 extern int eventstream_init();
@@ -135,9 +137,9 @@ typedef enum {
 /*
  * Virtual platform interfaces.
  */
-extern zoneid_t vplat_create(zlog_t *, zone_mnt_t);
+extern zoneid_t vplat_create(zlog_t *, zone_mnt_t, zoneid_t);
 extern int vplat_bringup(zlog_t *, zone_mnt_t, zoneid_t);
-extern int vplat_teardown(zlog_t *, boolean_t, boolean_t);
+extern int vplat_teardown(zlog_t *, boolean_t, boolean_t, boolean_t);
 extern int vplat_get_iptype(zlog_t *, zone_iptype_t *);
 
 /*
@@ -154,6 +156,19 @@ extern void resolve_lofs(zlog_t *zlogp, char *path, size_t pathlen);
  */
 extern int init_console(zlog_t *);
 extern void serve_console(zlog_t *);
+extern void zcons_statechanged();
+
+/*
+ * Memory capping thread creation.
+ */
+extern void create_mcap_thread(zlog_t *, zoneid_t);
+extern void destroy_mcap_thread();
+
+/*
+ * Zone FD log thread creation.
+ */
+extern void create_log_thread(zlog_t *, zoneid_t);
+extern void destroy_log_thread();
 
 /*
  * Contract handling.
@@ -163,7 +178,7 @@ extern int init_template(void);
 /*
  * Routine to manage child processes.
  */
-extern int do_subproc(zlog_t *, char *, char **);
+extern int do_subproc(zlog_t *, char *, char **, boolean_t);
 
 #ifdef __cplusplus
 }
diff --git a/usr/src/cmd/zonecfg/Makefile b/usr/src/cmd/zonecfg/Makefile
index ae8f5c11d1..94d725776b 100644
--- a/usr/src/cmd/zonecfg/Makefile
+++ b/usr/src/cmd/zonecfg/Makefile
@@ -27,6 +27,7 @@ PROG=	zonecfg
 OBJS=	zonecfg.o zonecfg_lex.o zonecfg_grammar.tab.o
 
 include ../Makefile.cmd
+include ../Makefile.ctf
 
 # zonecfg has a name clash with main() and libl.so.1.  However, zonecfg must
 # still export a number of "yy*" (libl) interfaces.  Reduce all other symbols
@@ -36,7 +37,7 @@ MAPOPTS =	$(MAPFILES:%=-M%)
 
 LFLAGS =	-t
 YFLAGS =	-d -b zonecfg_grammar
-LDLIBS +=	-lzonecfg -ll -lnsl -ltecla -lzfs -lbrand -ldladm -linetutil
+LDLIBS +=	-lzonecfg -ll -lnsl -ltecla -lzfs -lbrand -ldladm -linetutil -luuid
 CPPFLAGS +=	-I.
 LDFLAGS +=	$(MAPOPTS)
 CLEANFILES +=	zonecfg_lex.c zonecfg_grammar.tab.c zonecfg_grammar.tab.h
diff --git a/usr/src/cmd/zonecfg/zonecfg.c b/usr/src/cmd/zonecfg/zonecfg.c
index 3dbec383bf..235019ef46 100644
--- a/usr/src/cmd/zonecfg/zonecfg.c
+++ b/usr/src/cmd/zonecfg/zonecfg.c
@@ -23,6 +23,7 @@
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
  * Copyright 2014 Gary Mills
+ * Copyright 2013, Joyent Inc. All rights reserved.
  */
 
 /*
@@ -79,6 +80,7 @@
 #include <libinetutil.h>
 #include <pwd.h>
 #include <inet/ip.h>
+#include <uuid/uuid.h>
 
 #include <libzonecfg.h>
 #include "zonecfg.h"
@@ -126,7 +128,7 @@ extern int lex_lineno;
 #define	SHELP_REMOVE	"remove [-F] <resource-type> " \
 	"[ <property-name>=<property-value> ]*\n" \
 	"\t(global scope)\n" \
-	"remove <property-name> <property-value>\n" \
+	"remove [-F] <property-name> <property-value>\n" \
 	"\t(resource scope)"
 #define	SHELP_REVERT	"revert [-F]"
 #define	SHELP_SELECT	"select <resource-type> { <property-name>=" \
@@ -187,6 +189,8 @@ char *res_types[] = {
 	"admin",
 	"fs-allowed",
 	ALIAS_MAXPROCS,
+	ALIAS_ZFSPRI,
+	"uuid",
 	NULL
 };
 
@@ -234,6 +238,12 @@ char *prop_types[] = {
 	"fs-allowed",
 	ALIAS_MAXPROCS,
 	"allowed-address",
+	ALIAS_ZFSPRI,
+	"mac-addr",
+	"vlan-id",
+	"global-nic",
+	"property",
+	"uuid",
 	NULL
 };
 
@@ -299,6 +309,7 @@ static const char *clear_cmds[] = {
 	"clear " ALIAS_MAXSEMIDS,
 	"clear " ALIAS_SHARES,
 	"clear " ALIAS_MAXPROCS,
+	"clear " ALIAS_ZFSPRI,
 	NULL
 };
 
@@ -349,6 +360,8 @@ static const char *set_cmds[] = {
 	"set hostid=",
 	"set fs-allowed=",
 	"set " ALIAS_MAXPROCS "=",
+	"set " ALIAS_ZFSPRI "=",
+	"set uuid=",
 	NULL
 };
 
@@ -381,6 +394,7 @@ static const char *info_cmds[] = {
 	"info admin",
 	"info fs-allowed",
 	"info max-processes",
+	"info uuid",
 	NULL
 };
 
@@ -406,9 +420,20 @@ static const char *net_res_scope_cmds[] = {
 	"exit",
 	"help",
 	"info",
+	"add property ",
+	"clear allowed-address",
+	"clear defrouter",
+	"clear global-nic",
+	"clear mac-addr",
+	"clear vlan-id",
+	"remove property ",
 	"set address=",
-	"set physical=",
+	"set allowed-address=",
 	"set defrouter=",
+	"set global-nic=",
+	"set mac-addr=",
+	"set physical=",
+	"set vlan-id=",
 	NULL
 };
 
@@ -418,6 +443,7 @@ static const char *device_res_scope_cmds[] = {
 	"exit",
 	"help",
 	"info",
+	"add property ",
 	"set match=",
 	NULL
 };
@@ -525,6 +551,7 @@ static zone_dochandle_t handle;
 /* used all over the place */
 static char zone[ZONENAME_MAX];
 static char revert_zone[ZONENAME_MAX];
+static char new_uuid[UUID_PRINTABLE_STRING_LENGTH];
 
 /* global brand operations */
 static brand_handle_t brand;
@@ -579,7 +606,6 @@ static struct zone_rctltab	old_rctltab, in_progress_rctltab;
 static struct zone_attrtab	old_attrtab, in_progress_attrtab;
 static struct zone_dstab	old_dstab, in_progress_dstab;
 static struct zone_psettab	old_psettab, in_progress_psettab;
-static struct zone_mcaptab	old_mcaptab, in_progress_mcaptab;
 static struct zone_admintab	old_admintab, in_progress_admintab;
 
 static GetLine *gl;	/* The gl_get_line() resource object */
@@ -1078,11 +1104,20 @@ usage(boolean_t verbose, uint_t flags)
 			(void) fprintf(fp, gettext("Valid commands:\n"));
 			(void) fprintf(fp, "\t%s %s=%s\n", cmd_to_str(CMD_SET),
 			    pt_to_str(PT_ADDRESS), gettext("<IP-address>"));
+			(void) fprintf(fp, "\t%s %s (%s=<value>,%s=<value>)\n",
+			    cmd_to_str(CMD_ADD), pt_to_str(PT_NPROP),
+			    pt_to_str(PT_NAME), pt_to_str(PT_VALUE));
 			(void) fprintf(fp, "\t%s %s=%s\n", cmd_to_str(CMD_SET),
 			    pt_to_str(PT_ALLOWED_ADDRESS),
 			    gettext("<IP-address>"));
 			(void) fprintf(fp, "\t%s %s=%s\n", cmd_to_str(CMD_SET),
 			    pt_to_str(PT_PHYSICAL), gettext("<interface>"));
+			(void) fprintf(fp, "\t%s %s=%s\n", cmd_to_str(CMD_SET),
+			    pt_to_str(PT_MAC), gettext("<mac-address>"));
+			(void) fprintf(fp, "\t%s %s=%s\n", cmd_to_str(CMD_SET),
+			    pt_to_str(PT_GNIC), gettext("<global zone NIC>"));
+			(void) fprintf(fp, "\t%s %s=%s\n", cmd_to_str(CMD_SET),
+			    pt_to_str(PT_VLANID), gettext("<vlan ID>"));
 			(void) fprintf(fp, gettext("See ifconfig(1M) for "
 			    "details of the <interface> string.\n"));
 			(void) fprintf(fp, gettext("%s %s is valid "
@@ -1090,10 +1125,12 @@ usage(boolean_t verbose, uint_t flags)
 			    "must not be set.\n"),
 			    cmd_to_str(CMD_SET), pt_to_str(PT_ADDRESS),
 			    pt_to_str(PT_IPTYPE), gettext("shared"));
-			(void) fprintf(fp, gettext("%s %s is valid "
-			    "if the %s property is set to %s, otherwise it "
-			    "must not be set.\n"),
-			    cmd_to_str(CMD_SET), pt_to_str(PT_ALLOWED_ADDRESS),
+			(void) fprintf(fp, gettext("%s (%s, %s, %s, %s) are "
+			    "valid if the %s property is set to %s, otherwise "
+			    "they must not be set.\n"),
+			    cmd_to_str(CMD_SET),
+			    pt_to_str(PT_ALLOWED_ADDRESS), pt_to_str(PT_MAC),
+			    pt_to_str(PT_VLANID), pt_to_str(PT_GNIC),
 			    pt_to_str(PT_IPTYPE), gettext("exclusive"));
 			(void) fprintf(fp, gettext("\t%s %s=%s\n%s %s "
 			    "is valid if the %s or %s property is set, "
@@ -1109,6 +1146,9 @@ usage(boolean_t verbose, uint_t flags)
 			    "used to configure a device node.\n"),
 			    rt_to_str(resource_scope));
 			(void) fprintf(fp, gettext("Valid commands:\n"));
+			(void) fprintf(fp, "\t%s %s (%s=<value>,%s=<value>)\n",
+			    cmd_to_str(CMD_ADD), pt_to_str(PT_NPROP),
+			    pt_to_str(PT_NAME), pt_to_str(PT_VALUE));
 			(void) fprintf(fp, "\t%s %s=%s\n", cmd_to_str(CMD_SET),
 			    pt_to_str(PT_MATCH), gettext("<device-path>"));
 			break;
@@ -1240,10 +1280,12 @@ usage(boolean_t verbose, uint_t flags)
 	if (flags & HELP_USAGE) {
 		(void) fprintf(fp, "%s:\t%s %s\n", gettext("usage"),
 		    execname, cmd_to_str(CMD_HELP));
-		(void) fprintf(fp, "\t%s -z <zone>\t\t\t(%s)\n",
+		(void) fprintf(fp, "\t%s {-z <zone>|-u <uuid>}\t\t\t(%s)\n",
 		    execname, gettext("interactive"));
-		(void) fprintf(fp, "\t%s -z <zone> <command>\n", execname);
-		(void) fprintf(fp, "\t%s -z <zone> -f <command-file>\n",
+		(void) fprintf(fp, "\t%s {-z <zone>|-u <uuid>} <command>\n",
+		    execname);
+		(void) fprintf(fp,
+		    "\t%s {-z <zone>|-u <uuid>} -f <command-file>\n",
 		    execname);
 	}
 	if (flags & HELP_SUBCMDS) {
@@ -1332,15 +1374,22 @@ usage(boolean_t verbose, uint_t flags)
 		    pt_to_str(PT_MAXSEMIDS));
 		(void) fprintf(fp, "\t%s\t%s\n", gettext("(global)"),
 		    pt_to_str(PT_SHARES));
+		(void) fprintf(fp, "\t%s\t%s\n", gettext("(global)"),
+		    pt_to_str(PT_UUID));
+		(void) fprintf(fp, "\t%s\t%s\n", gettext("(global)"),
+		    pt_to_str(PT_ZFSPRI));
 		(void) fprintf(fp, "\t%s\t\t%s, %s, %s, %s, %s\n",
 		    rt_to_str(RT_FS), pt_to_str(PT_DIR),
 		    pt_to_str(PT_SPECIAL), pt_to_str(PT_RAW),
 		    pt_to_str(PT_TYPE), pt_to_str(PT_OPTIONS));
-		(void) fprintf(fp, "\t%s\t\t%s, %s, %s|%s\n", rt_to_str(RT_NET),
+		(void) fprintf(fp, "\t%s\t\t%s, %s, %s, %s, %s, %s, %s %s\n",
+		    rt_to_str(RT_NET),
 		    pt_to_str(PT_ADDRESS), pt_to_str(PT_ALLOWED_ADDRESS),
-		    pt_to_str(PT_PHYSICAL), pt_to_str(PT_DEFROUTER));
-		(void) fprintf(fp, "\t%s\t\t%s\n", rt_to_str(RT_DEVICE),
-		    pt_to_str(PT_MATCH));
+		    pt_to_str(PT_GNIC), pt_to_str(PT_MAC),
+		    pt_to_str(PT_PHYSICAL), pt_to_str(PT_NPROP),
+		    pt_to_str(PT_VLANID), pt_to_str(PT_DEFROUTER));
+		(void) fprintf(fp, "\t%s\t\t%s, %s\n", rt_to_str(RT_DEVICE),
+		    pt_to_str(PT_MATCH), pt_to_str(PT_NPROP));
 		(void) fprintf(fp, "\t%s\t\t%s, %s\n", rt_to_str(RT_RCTL),
 		    pt_to_str(PT_NAME), pt_to_str(PT_VALUE));
 		(void) fprintf(fp, "\t%s\t\t%s, %s, %s\n", rt_to_str(RT_ATTR),
@@ -1395,6 +1444,9 @@ initialize(boolean_t handle_expected)
 	if (zonecfg_check_handle(handle) != Z_OK) {
 		if ((err = zonecfg_get_handle(zone, handle)) == Z_OK) {
 			got_handle = B_TRUE;
+
+			(void) zonecfg_fix_obsolete(handle);
+
 			if (zonecfg_get_brand(handle, brandname,
 			    sizeof (brandname)) != Z_OK) {
 				zerr("Zone %s is inconsistent: missing "
@@ -1662,6 +1714,7 @@ create_func(cmd_t *cmd)
 	boolean_t force = B_FALSE;
 	boolean_t attach = B_FALSE;
 	boolean_t arg_err = B_FALSE;
+	uuid_t uuid;
 
 	assert(cmd != NULL);
 
@@ -1669,7 +1722,7 @@ create_func(cmd_t *cmd)
 	(void) strlcpy(zone_template, "SUNWdefault", sizeof (zone_template));
 
 	optind = 0;
-	while ((arg = getopt(cmd->cmd_argc, cmd->cmd_argv, "?a:bFt:"))
+	while ((arg = getopt(cmd->cmd_argc, cmd->cmd_argv, "?a:bFt:X"))
 	    != EOF) {
 		switch (arg) {
 		case '?':
@@ -1695,6 +1748,17 @@ create_func(cmd_t *cmd)
 			(void) strlcpy(zone_template, optarg,
 			    sizeof (zone_template));
 			break;
+		case 'X':
+			(void) snprintf(zone_template, sizeof (zone_template),
+			    "%s/%s.xml", ZONE_CONFIG_ROOT, zone);
+			err = zonecfg_get_xml_handle(zone_template, handle);
+			if (err != Z_OK) {
+				zone_perror(execname, err, B_TRUE);
+				exit(Z_ERR);
+			}
+			got_handle = B_TRUE;
+			need_to_commit = B_TRUE;
+			return;
 		default:
 			short_usage(CMD_CREATE);
 			arg_err = B_TRUE;
@@ -1751,6 +1815,10 @@ create_func(cmd_t *cmd)
 	zonecfg_fini_handle(handle);
 	handle = tmphandle;
 	got_handle = B_TRUE;
+
+	/* Allocate a new uuid for this new zone */
+	uuid_generate(uuid);
+	uuid_unparse(uuid, new_uuid);
 }
 
 /*
@@ -1797,8 +1865,8 @@ export_func(cmd_t *cmd)
 	struct zone_rctltab rctltab;
 	struct zone_dstab dstab;
 	struct zone_psettab psettab;
-	struct zone_mcaptab mcaptab;
 	struct zone_rctlvaltab *valptr;
+	struct zone_res_attrtab *rap;
 	struct zone_admintab admintab;
 	int err, arg;
 	char zonepath[MAXPATHLEN], outfile[MAXPATHLEN], pool[MAXNAMELEN];
@@ -1811,6 +1879,7 @@ export_func(cmd_t *cmd)
 	FILE *of;
 	boolean_t autoboot;
 	zone_iptype_t iptype;
+	uuid_t uuid;
 	boolean_t need_to_close = B_FALSE;
 	boolean_t arg_err = B_FALSE;
 
@@ -1921,6 +1990,14 @@ export_func(cmd_t *cmd)
 		    pt_to_str(PT_FS_ALLOWED), fsallowedp);
 	}
 
+	if (zonecfg_get_uuid(zone, uuid) == Z_OK && !uuid_is_null(uuid)) {
+		char suuid[UUID_PRINTABLE_STRING_LENGTH];
+
+		uuid_unparse(uuid, suuid);
+		(void) fprintf(of, "%s %s=%s\n", cmd_to_str(CMD_SET),
+		    pt_to_str(PT_UUID), suuid);
+	}
+
 	if ((err = zonecfg_setfsent(handle)) != Z_OK) {
 		zone_perror(zone, err, B_FALSE);
 		goto done;
@@ -1968,7 +2045,17 @@ export_func(cmd_t *cmd)
 		export_prop(of, PT_ALLOWED_ADDRESS,
 		    nwiftab.zone_nwif_allowed_address);
 		export_prop(of, PT_PHYSICAL, nwiftab.zone_nwif_physical);
+		export_prop(of, PT_MAC, nwiftab.zone_nwif_mac);
+		export_prop(of, PT_VLANID, nwiftab.zone_nwif_vlan_id);
+		export_prop(of, PT_GNIC, nwiftab.zone_nwif_gnic);
 		export_prop(of, PT_DEFROUTER, nwiftab.zone_nwif_defrouter);
+		for (rap = nwiftab.zone_nwif_attrp; rap != NULL;
+		    rap = rap->zone_res_attr_next) {
+			fprintf(of, "%s %s (%s=%s,%s=\"%s\")\n",
+			    cmd_to_str(CMD_ADD), pt_to_str(PT_NPROP),
+			    pt_to_str(PT_NAME), rap->zone_res_attr_name,
+			    pt_to_str(PT_VALUE), rap->zone_res_attr_value);
+		}
 		(void) fprintf(of, "%s\n", cmd_to_str(CMD_END));
 	}
 	(void) zonecfg_endnwifent(handle);
@@ -1981,21 +2068,17 @@ export_func(cmd_t *cmd)
 		(void) fprintf(of, "%s %s\n", cmd_to_str(CMD_ADD),
 		    rt_to_str(RT_DEVICE));
 		export_prop(of, PT_MATCH, devtab.zone_dev_match);
+		for (rap = devtab.zone_dev_attrp; rap != NULL;
+		    rap = rap->zone_res_attr_next) {
+			fprintf(of, "%s %s (%s=%s,%s=\"%s\")\n",
+			    cmd_to_str(CMD_ADD), pt_to_str(PT_NPROP),
+			    pt_to_str(PT_NAME), rap->zone_res_attr_name,
+			    pt_to_str(PT_VALUE), rap->zone_res_attr_value);
+		}
 		(void) fprintf(of, "%s\n", cmd_to_str(CMD_END));
 	}
 	(void) zonecfg_enddevent(handle);
 
-	if (zonecfg_getmcapent(handle, &mcaptab) == Z_OK) {
-		char buf[128];
-
-		(void) fprintf(of, "%s %s\n", cmd_to_str(CMD_ADD),
-		    rt_to_str(RT_MCAP));
-		bytes_to_units(mcaptab.zone_physmem_cap, buf, sizeof (buf));
-		(void) fprintf(of, "%s %s=%s\n", cmd_to_str(CMD_SET),
-		    pt_to_str(PT_PHYSICAL), buf);
-		(void) fprintf(of, "%s\n", cmd_to_str(CMD_END));
-	}
-
 	if ((err = zonecfg_setrctlent(handle)) != Z_OK) {
 		zone_perror(zone, err, B_FALSE);
 		goto done;
@@ -2149,7 +2232,6 @@ add_resource(cmd_t *cmd)
 {
 	int type;
 	struct zone_psettab tmp_psettab;
-	struct zone_mcaptab tmp_mcaptab;
 	uint64_t tmp;
 	uint64_t tmp_mcap;
 	char pool[MAXNAMELEN];
@@ -2241,9 +2323,10 @@ add_resource(cmd_t *cmd)
 		 * Make sure there isn't already a mem-cap entry or max-swap
 		 * or max-locked rctl.
 		 */
-		if (zonecfg_lookup_mcap(handle, &tmp_mcaptab) == Z_OK ||
-		    zonecfg_get_aliased_rctl(handle, ALIAS_MAXSWAP, &tmp_mcap)
-		    == Z_OK ||
+		if (zonecfg_get_aliased_rctl(handle, ALIAS_MAXSWAP,
+		    &tmp_mcap) == Z_OK ||
+		    zonecfg_get_aliased_rctl(handle, ALIAS_MAXPHYSMEM,
+		    &tmp_mcap) == Z_OK ||
 		    zonecfg_get_aliased_rctl(handle, ALIAS_MAXLOCKEDMEM,
 		    &tmp_mcap) == Z_OK) {
 			zerr(gettext("The %s resource or a related resource "
@@ -2256,7 +2339,6 @@ add_resource(cmd_t *cmd)
 			    "to even the root user; "
 			    "this could render the system impossible\n"
 			    "to administer.  Please use caution."));
-		bzero(&in_progress_mcaptab, sizeof (in_progress_mcaptab));
 		return;
 	case RT_ADMIN:
 		bzero(&in_progress_admintab, sizeof (in_progress_admintab));
@@ -2359,6 +2441,68 @@ bad:
 	zonecfg_free_rctl_value_list(rctlvaltab);
 }
 
+/*
+ * Resource attribute ("property" resource embedded on net or dev resource)
+ */
+static void
+do_res_attr(struct zone_res_attrtab **headp, complex_property_ptr_t cpp)
+{
+	complex_property_ptr_t cp;
+	struct zone_res_attrtab *np;
+	int err;
+	boolean_t seen_name = B_FALSE, seen_value = B_FALSE;
+
+	if ((np = calloc(1, sizeof (struct zone_res_attrtab))) == NULL) {
+		zone_perror(zone, Z_NOMEM, B_TRUE);
+		exit(Z_ERR);
+	}
+
+	for (cp = cpp; cp != NULL; cp = cp->cp_next) {
+		switch (cp->cp_type) {
+		case PT_NAME:
+			if (seen_name) {
+				zerr(gettext("%s already specified"),
+				    pt_to_str(PT_NAME));
+				goto bad;
+			}
+			(void) strlcpy(np->zone_res_attr_name, cp->cp_value,
+			    sizeof (np->zone_res_attr_name));
+			seen_name = B_TRUE;
+			break;
+		case PT_VALUE:
+			if (seen_value) {
+				zerr(gettext("%s already specified"),
+				    pt_to_str(PT_VALUE));
+				goto bad;
+			}
+			(void) strlcpy(np->zone_res_attr_value, cp->cp_value,
+			    sizeof (np->zone_res_attr_value));
+			seen_value = B_TRUE;
+			break;
+		default:
+			zone_perror(pt_to_str(PT_NPROP), Z_NO_PROPERTY_TYPE,
+			    B_TRUE);
+			long_usage(CMD_ADD, B_TRUE);
+			usage(B_FALSE, HELP_PROPS);
+			zonecfg_free_res_attr_list(np);
+			return;
+		}
+	}
+
+	if (!seen_name)
+		zerr(gettext("%s not specified"), pt_to_str(PT_NAME));
+	if (!seen_value)
+		zerr(gettext("%s not specified"), pt_to_str(PT_VALUE));
+
+	err = zonecfg_add_res_attr(headp, np);
+	if (err != Z_OK)
+		zone_perror(pt_to_str(PT_NPROP), err, B_TRUE);
+	return;
+
+bad:
+	zonecfg_free_res_attr_list(np);
+}
+
 static void
 add_property(cmd_t *cmd)
 {
@@ -2426,6 +2570,44 @@ add_property(cmd_t *cmd)
 			}
 		}
 		return;
+	case RT_NET:
+		if (prop_type != PT_NPROP) {
+			zone_perror(pt_to_str(prop_type), Z_NO_PROPERTY_TYPE,
+			    B_TRUE);
+			long_usage(CMD_ADD, B_TRUE);
+			usage(B_FALSE, HELP_PROPS);
+			return;
+		}
+		pp = cmd->cmd_property_ptr[0];
+		if (pp->pv_type != PROP_VAL_COMPLEX) {
+			zerr(gettext("A %s value was expected here."),
+			    pvt_to_str(PROP_VAL_COMPLEX));
+			saw_error = B_TRUE;
+			return;
+		}
+
+		do_res_attr(&(in_progress_nwiftab.zone_nwif_attrp),
+		    pp->pv_complex);
+		return;
+	case RT_DEVICE:
+		if (prop_type != PT_NPROP) {
+			zone_perror(pt_to_str(prop_type), Z_NO_PROPERTY_TYPE,
+			    B_TRUE);
+			long_usage(CMD_ADD, B_TRUE);
+			usage(B_FALSE, HELP_PROPS);
+			return;
+		}
+		pp = cmd->cmd_property_ptr[0];
+		if (pp->pv_type != PROP_VAL_COMPLEX) {
+			zerr(gettext("A %s value was expected here."),
+			    pvt_to_str(PROP_VAL_COMPLEX));
+			saw_error = B_TRUE;
+			return;
+		}
+
+		do_res_attr(&(in_progress_devtab.zone_dev_attrp),
+		    pp->pv_complex);
+		return;
 	case RT_RCTL:
 		if (prop_type != PT_VALUE) {
 			zone_perror(pt_to_str(prop_type), Z_NO_PROPERTY_TYPE,
@@ -2470,7 +2652,7 @@ static boolean_t
 gz_invalid_rt_property(int type)
 {
 	return (global_zone && (type == RT_ZONENAME || type == RT_ZONEPATH ||
-	    type == RT_AUTOBOOT || type == RT_LIMITPRIV ||
+	    type == RT_AUTOBOOT || type == RT_LIMITPRIV || type == RT_UUID ||
 	    type == RT_BOOTARGS || type == RT_BRAND || type == RT_SCHED ||
 	    type == RT_IPTYPE || type == RT_HOSTID || type == RT_FS_ALLOWED));
 }
@@ -2479,7 +2661,7 @@ static boolean_t
 gz_invalid_property(int type)
 {
 	return (global_zone && (type == PT_ZONENAME || type == PT_ZONEPATH ||
-	    type == PT_AUTOBOOT || type == PT_LIMITPRIV ||
+	    type == PT_AUTOBOOT || type == PT_LIMITPRIV || type == PT_UUID ||
 	    type == PT_BOOTARGS || type == PT_BRAND || type == PT_SCHED ||
 	    type == PT_IPTYPE || type == PT_HOSTID || type == PT_FS_ALLOWED));
 }
@@ -2530,8 +2712,9 @@ add_func(cmd_t *cmd)
 		resource_scope = cmd->cmd_res_type;
 		end_op = CMD_ADD;
 		add_resource(cmd);
-	} else
+	} else {
 		add_property(cmd);
+	}
 }
 
 /*
@@ -2696,6 +2879,32 @@ fill_in_fstab(cmd_t *cmd, struct zone_fstab *fstab, boolean_t fill_in_only)
 	return (zonecfg_lookup_filesystem(handle, fstab));
 }
 
+/*
+ * Turn an addr that looks like f:2:0:44:5:6C into 0f:02:00:44:05:6c
+ * We're expecting a dst of at least MAXMACADDRLEN size here.
+ */
+static void
+normalize_mac_addr(char *dst, const char *src, int len)
+{
+	char *p, *e, *sep = "";
+	long n;
+	char buf[MAXMACADDRLEN], tmp[4];
+
+	*dst = '\0';
+	(void) strlcpy(buf, src, sizeof (buf));
+	p = strtok(buf, ":");
+	while (p != NULL) {
+		n = strtol(p, &e, 16);
+		if (*e != NULL || n > 0xff)
+			return;
+		(void) snprintf(tmp, sizeof (tmp), "%s%02x", sep, n);
+		(void) strlcat(dst, tmp, len);
+
+		sep = ":";
+		p = strtok(NULL, ":");
+	}
+}
+
 static int
 fill_in_nwiftab(cmd_t *cmd, struct zone_nwiftab *nwiftab,
     boolean_t fill_in_only)
@@ -2729,6 +2938,21 @@ fill_in_nwiftab(cmd_t *cmd, struct zone_nwiftab *nwiftab,
 			    pp->pv_simple,
 			    sizeof (nwiftab->zone_nwif_physical));
 			break;
+		case PT_MAC:
+			normalize_mac_addr(nwiftab->zone_nwif_mac,
+			    pp->pv_simple,
+			    sizeof (nwiftab->zone_nwif_mac));
+			break;
+		case PT_VLANID:
+			(void) strlcpy(nwiftab->zone_nwif_vlan_id,
+			    pp->pv_simple,
+			    sizeof (nwiftab->zone_nwif_vlan_id));
+			break;
+		case PT_GNIC:
+			(void) strlcpy(nwiftab->zone_nwif_gnic,
+			    pp->pv_simple,
+			    sizeof (nwiftab->zone_nwif_gnic));
+			break;
 		case PT_DEFROUTER:
 			(void) strlcpy(nwiftab->zone_nwif_defrouter,
 			    pp->pv_simple,
@@ -2979,6 +3203,8 @@ prompt_remove_resource(cmd_t *cmd, char *rsrc)
 	num = zonecfg_num_resources(handle, rsrc);
 
 	if (num == 0) {
+		if (force)
+			return (B_TRUE);
 		z_cmd_rt_perror(CMD_REMOVE, cmd->cmd_res_type, Z_NO_ENTRY,
 		    B_TRUE);
 		return (B_FALSE);
@@ -3007,7 +3233,7 @@ prompt_remove_resource(cmd_t *cmd, char *rsrc)
 }
 
 static void
-remove_fs(cmd_t *cmd)
+remove_fs(cmd_t *cmd, boolean_t force)
 {
 	int err;
 
@@ -3016,13 +3242,16 @@ remove_fs(cmd_t *cmd)
 		struct zone_fstab fstab;
 
 		if ((err = fill_in_fstab(cmd, &fstab, B_FALSE)) != Z_OK) {
-			z_cmd_rt_perror(CMD_REMOVE, RT_FS, err, B_TRUE);
+			if (!force)
+				z_cmd_rt_perror(CMD_REMOVE, RT_FS, err, B_TRUE);
 			return;
 		}
-		if ((err = zonecfg_delete_filesystem(handle, &fstab)) != Z_OK)
-			z_cmd_rt_perror(CMD_REMOVE, RT_FS, err, B_TRUE);
-		else
+		if ((err = zonecfg_delete_filesystem(handle, &fstab)) != Z_OK) {
+			if (!force)
+				z_cmd_rt_perror(CMD_REMOVE, RT_FS, err, B_TRUE);
+		} else {
 			need_to_commit = B_TRUE;
+		}
 		zonecfg_free_fs_option_list(fstab.zone_fs_options);
 		return;
 	}
@@ -3041,7 +3270,7 @@ remove_fs(cmd_t *cmd)
 }
 
 static void
-remove_net(cmd_t *cmd)
+remove_net(cmd_t *cmd, boolean_t force)
 {
 	int err;
 
@@ -3050,13 +3279,18 @@ remove_net(cmd_t *cmd)
 		struct zone_nwiftab nwiftab;
 
 		if ((err = fill_in_nwiftab(cmd, &nwiftab, B_FALSE)) != Z_OK) {
-			z_cmd_rt_perror(CMD_REMOVE, RT_NET, err, B_TRUE);
+			if (!force)
+				z_cmd_rt_perror(CMD_REMOVE, RT_NET, err,
+				    B_TRUE);
 			return;
 		}
-		if ((err = zonecfg_delete_nwif(handle, &nwiftab)) != Z_OK)
-			z_cmd_rt_perror(CMD_REMOVE, RT_NET, err, B_TRUE);
-		else
+		if ((err = zonecfg_delete_nwif(handle, &nwiftab)) != Z_OK) {
+			if (!force)
+				z_cmd_rt_perror(CMD_REMOVE, RT_NET, err,
+				    B_TRUE);
+		} else {
 			need_to_commit = B_TRUE;
+		}
 		return;
 	}
 
@@ -3074,7 +3308,7 @@ remove_net(cmd_t *cmd)
 }
 
 static void
-remove_device(cmd_t *cmd)
+remove_device(cmd_t *cmd, boolean_t force)
 {
 	int err;
 
@@ -3083,13 +3317,18 @@ remove_device(cmd_t *cmd)
 		struct zone_devtab devtab;
 
 		if ((err = fill_in_devtab(cmd, &devtab, B_FALSE)) != Z_OK) {
-			z_cmd_rt_perror(CMD_REMOVE, RT_DEVICE, err, B_TRUE);
+			if (!force)
+				z_cmd_rt_perror(CMD_REMOVE, RT_DEVICE, err,
+				    B_TRUE);
 			return;
 		}
-		if ((err = zonecfg_delete_dev(handle, &devtab)) != Z_OK)
-			z_cmd_rt_perror(CMD_REMOVE, RT_DEVICE, err, B_TRUE);
-		else
+		if ((err = zonecfg_delete_dev(handle, &devtab)) != Z_OK) {
+			if (!force)
+				z_cmd_rt_perror(CMD_REMOVE, RT_DEVICE, err,
+				    B_TRUE);
+		} else {
 			need_to_commit = B_TRUE;
+		}
 		return;
 	}
 
@@ -3107,7 +3346,7 @@ remove_device(cmd_t *cmd)
 }
 
 static void
-remove_attr(cmd_t *cmd)
+remove_attr(cmd_t *cmd, boolean_t force)
 {
 	int err;
 
@@ -3116,13 +3355,18 @@ remove_attr(cmd_t *cmd)
 		struct zone_attrtab attrtab;
 
 		if ((err = fill_in_attrtab(cmd, &attrtab, B_FALSE)) != Z_OK) {
-			z_cmd_rt_perror(CMD_REMOVE, RT_ATTR, err, B_TRUE);
+			if (!force)
+				z_cmd_rt_perror(CMD_REMOVE, RT_ATTR, err,
+				    B_TRUE);
 			return;
 		}
-		if ((err = zonecfg_delete_attr(handle, &attrtab)) != Z_OK)
-			z_cmd_rt_perror(CMD_REMOVE, RT_ATTR, err, B_TRUE);
-		else
+		if ((err = zonecfg_delete_attr(handle, &attrtab)) != Z_OK) {
+			if (!force)
+				z_cmd_rt_perror(CMD_REMOVE, RT_ATTR, err,
+				    B_TRUE);
+		} else {
 			need_to_commit = B_TRUE;
+		}
 		return;
 	}
 
@@ -3140,7 +3384,7 @@ remove_attr(cmd_t *cmd)
 }
 
 static void
-remove_dataset(cmd_t *cmd)
+remove_dataset(cmd_t *cmd, boolean_t force)
 {
 	int err;
 
@@ -3149,13 +3393,18 @@ remove_dataset(cmd_t *cmd)
 		struct zone_dstab dstab;
 
 		if ((err = fill_in_dstab(cmd, &dstab, B_FALSE)) != Z_OK) {
-			z_cmd_rt_perror(CMD_REMOVE, RT_DATASET, err, B_TRUE);
+			if (!force)
+				z_cmd_rt_perror(CMD_REMOVE, RT_DATASET, err,
+				    B_TRUE);
 			return;
 		}
-		if ((err = zonecfg_delete_ds(handle, &dstab)) != Z_OK)
-			z_cmd_rt_perror(CMD_REMOVE, RT_DATASET, err, B_TRUE);
-		else
+		if ((err = zonecfg_delete_ds(handle, &dstab)) != Z_OK) {
+			if (!force)
+				z_cmd_rt_perror(CMD_REMOVE, RT_DATASET, err,
+				    B_TRUE);
+		} else {
 			need_to_commit = B_TRUE;
+		}
 		return;
 	}
 
@@ -3173,7 +3422,7 @@ remove_dataset(cmd_t *cmd)
 }
 
 static void
-remove_rctl(cmd_t *cmd)
+remove_rctl(cmd_t *cmd, boolean_t force)
 {
 	int err;
 
@@ -3182,13 +3431,18 @@ remove_rctl(cmd_t *cmd)
 		struct zone_rctltab rctltab;
 
 		if ((err = fill_in_rctltab(cmd, &rctltab, B_FALSE)) != Z_OK) {
-			z_cmd_rt_perror(CMD_REMOVE, RT_RCTL, err, B_TRUE);
+			if (!force)
+				z_cmd_rt_perror(CMD_REMOVE, RT_RCTL, err,
+				    B_TRUE);
 			return;
 		}
-		if ((err = zonecfg_delete_rctl(handle, &rctltab)) != Z_OK)
-			z_cmd_rt_perror(CMD_REMOVE, RT_RCTL, err, B_TRUE);
-		else
+		if ((err = zonecfg_delete_rctl(handle, &rctltab)) != Z_OK) {
+			if (!force)
+				z_cmd_rt_perror(CMD_REMOVE, RT_RCTL, err,
+				    B_TRUE);
+		} else {
 			need_to_commit = B_TRUE;
+		}
 		zonecfg_free_rctl_value_list(rctltab.zone_rctl_valptr);
 		return;
 	}
@@ -3207,72 +3461,90 @@ remove_rctl(cmd_t *cmd)
 }
 
 static void
-remove_pset()
+remove_pset(boolean_t force)
 {
 	int err;
 	struct zone_psettab psettab;
 
 	if ((err = zonecfg_lookup_pset(handle, &psettab)) != Z_OK) {
-		z_cmd_rt_perror(CMD_REMOVE, RT_DCPU, err, B_TRUE);
+		if (!force)
+			z_cmd_rt_perror(CMD_REMOVE, RT_DCPU, err, B_TRUE);
 		return;
 	}
-	if ((err = zonecfg_delete_pset(handle)) != Z_OK)
-		z_cmd_rt_perror(CMD_REMOVE, RT_DCPU, err, B_TRUE);
-	else
+	if ((err = zonecfg_delete_pset(handle)) != Z_OK) {
+		if (!force)
+			z_cmd_rt_perror(CMD_REMOVE, RT_DCPU, err, B_TRUE);
+	} else {
 		need_to_commit = B_TRUE;
+	}
 }
 
 static void
-remove_pcap()
+remove_pcap(boolean_t force)
 {
 	int err;
 	uint64_t tmp;
 
 	if (zonecfg_get_aliased_rctl(handle, ALIAS_CPUCAP, &tmp) != Z_OK) {
-		zerr("%s %s: %s", cmd_to_str(CMD_REMOVE), rt_to_str(RT_PCAP),
-		    zonecfg_strerror(Z_NO_RESOURCE_TYPE));
-		saw_error = B_TRUE;
+		if (!force) {
+			zerr("%s %s: %s", cmd_to_str(CMD_REMOVE),
+			    rt_to_str(RT_PCAP),
+			    zonecfg_strerror(Z_NO_RESOURCE_TYPE));
+			saw_error = B_TRUE;
+		}
 		return;
 	}
 
-	if ((err = zonecfg_rm_aliased_rctl(handle, ALIAS_CPUCAP)) != Z_OK)
-		z_cmd_rt_perror(CMD_REMOVE, RT_PCAP, err, B_TRUE);
-	else
+	if ((err = zonecfg_rm_aliased_rctl(handle, ALIAS_CPUCAP)) != Z_OK) {
+		if (!force)
+			z_cmd_rt_perror(CMD_REMOVE, RT_PCAP, err, B_TRUE);
+	} else {
 		need_to_commit = B_TRUE;
+	}
 }
 
 static void
-remove_mcap()
+remove_mcap(boolean_t force)
 {
 	int err, res1, res2, res3;
 	uint64_t tmp;
-	struct zone_mcaptab mcaptab;
 	boolean_t revert = B_FALSE;
 
-	res1 = zonecfg_lookup_mcap(handle, &mcaptab);
+	res1 = zonecfg_get_aliased_rctl(handle, ALIAS_MAXPHYSMEM, &tmp);
 	res2 = zonecfg_get_aliased_rctl(handle, ALIAS_MAXSWAP, &tmp);
 	res3 = zonecfg_get_aliased_rctl(handle, ALIAS_MAXLOCKEDMEM, &tmp);
 
 	/* if none of these exist, there is no resource to remove */
 	if (res1 != Z_OK && res2 != Z_OK && res3 != Z_OK) {
-		zerr("%s %s: %s", cmd_to_str(CMD_REMOVE), rt_to_str(RT_MCAP),
-		    zonecfg_strerror(Z_NO_RESOURCE_TYPE));
-		saw_error = B_TRUE;
+		if (!force) {
+			zerr("%s %s: %s", cmd_to_str(CMD_REMOVE),
+			    rt_to_str(RT_MCAP),
+			    zonecfg_strerror(Z_NO_RESOURCE_TYPE));
+			saw_error = B_TRUE;
+		}
 		return;
 	}
 	if (res1 == Z_OK) {
-		if ((err = zonecfg_delete_mcap(handle)) != Z_OK) {
-			z_cmd_rt_perror(CMD_REMOVE, RT_MCAP, err, B_TRUE);
-			revert = B_TRUE;
+		if ((err = zonecfg_rm_aliased_rctl(handle, ALIAS_MAXPHYSMEM))
+		    != Z_OK) {
+			if (!force) {
+				z_cmd_rt_perror(CMD_REMOVE, RT_MCAP, err,
+				    B_TRUE);
+				revert = B_TRUE;
+			}
 		} else {
 			need_to_commit = B_TRUE;
 		}
 	}
+
 	if (res2 == Z_OK) {
 		if ((err = zonecfg_rm_aliased_rctl(handle, ALIAS_MAXSWAP))
 		    != Z_OK) {
-			z_cmd_rt_perror(CMD_REMOVE, RT_MCAP, err, B_TRUE);
-			revert = B_TRUE;
+			if (!force) {
+				z_cmd_rt_perror(CMD_REMOVE, RT_MCAP, err,
+				    B_TRUE);
+				revert = B_TRUE;
+			}
 		} else {
 			need_to_commit = B_TRUE;
 		}
@@ -3280,8 +3552,11 @@ remove_mcap()
 	if (res3 == Z_OK) {
 		if ((err = zonecfg_rm_aliased_rctl(handle, ALIAS_MAXLOCKEDMEM))
 		    != Z_OK) {
-			z_cmd_rt_perror(CMD_REMOVE, RT_MCAP, err, B_TRUE);
-			revert = B_TRUE;
+			if (!force) {
+				z_cmd_rt_perror(CMD_REMOVE, RT_MCAP, err,
+				    B_TRUE);
+				revert = B_TRUE;
+			}
 		} else {
 			need_to_commit = B_TRUE;
 		}
@@ -3292,7 +3567,7 @@ remove_mcap()
 }
 
 static void
-remove_admin(cmd_t *cmd)
+remove_admin(cmd_t *cmd, boolean_t force)
 {
 	int err;
 
@@ -3301,34 +3576,33 @@ remove_admin(cmd_t *cmd)
 		struct zone_admintab admintab;
 
 		if ((err = fill_in_admintab(cmd, &admintab, B_FALSE)) != Z_OK) {
-			z_cmd_rt_perror(CMD_REMOVE, RT_ADMIN,
-			    err, B_TRUE);
+			if (!force)
+				z_cmd_rt_perror(CMD_REMOVE, RT_ADMIN, err,
+				    B_TRUE);
 			return;
 		}
 		if ((err = zonecfg_delete_admin(handle, &admintab,
-		    zone))
-		    != Z_OK)
-			z_cmd_rt_perror(CMD_REMOVE, RT_ADMIN,
-			    err, B_TRUE);
-		else
+		    zone)) != Z_OK) {
+			if (!force)
+				z_cmd_rt_perror(CMD_REMOVE, RT_ADMIN, err,
+				    B_TRUE);
+		} else {
 			need_to_commit = B_TRUE;
+		}
 		return;
-	} else {
-		/*
-		 * unqualified admin removal.
-		 * remove all admins but prompt if more
-		 * than one.
-		 */
-		if (!prompt_remove_resource(cmd, "admin"))
-			return;
-
-		if ((err = zonecfg_delete_admins(handle, zone))
-		    != Z_OK)
-			z_cmd_rt_perror(CMD_REMOVE, RT_ADMIN,
-			    err, B_TRUE);
-		else
-			need_to_commit = B_TRUE;
 	}
+
+	/*
+	 * unqualified admin removal.
+	 * remove all admins but prompt if more than one.
+	 */
+	if (!prompt_remove_resource(cmd, "admin"))
+		return;
+
+	if ((err = zonecfg_delete_admins(handle, zone)) != Z_OK)
+		z_cmd_rt_perror(CMD_REMOVE, RT_ADMIN, err, B_TRUE);
+	else
+		need_to_commit = B_TRUE;
 }
 
 static void
@@ -3337,6 +3611,7 @@ remove_resource(cmd_t *cmd)
 	int type;
 	int arg;
 	boolean_t arg_err = B_FALSE;
+	boolean_t force = B_FALSE;
 
 	if ((type = cmd->cmd_res_type) == RT_UNKNOWN) {
 		long_usage(CMD_REMOVE, B_TRUE);
@@ -3351,6 +3626,7 @@ remove_resource(cmd_t *cmd)
 			arg_err = B_TRUE;
 			break;
 		case 'F':
+			force = B_TRUE;
 			break;
 		default:
 			short_usage(CMD_REMOVE);
@@ -3366,34 +3642,34 @@ remove_resource(cmd_t *cmd)
 
 	switch (type) {
 	case RT_FS:
-		remove_fs(cmd);
+		remove_fs(cmd, force);
 		return;
 	case RT_NET:
-		remove_net(cmd);
+		remove_net(cmd, force);
 		return;
 	case RT_DEVICE:
-		remove_device(cmd);
+		remove_device(cmd, force);
 		return;
 	case RT_RCTL:
-		remove_rctl(cmd);
+		remove_rctl(cmd, force);
 		return;
 	case RT_ATTR:
-		remove_attr(cmd);
+		remove_attr(cmd, force);
 		return;
 	case RT_DATASET:
-		remove_dataset(cmd);
+		remove_dataset(cmd, force);
 		return;
 	case RT_DCPU:
-		remove_pset();
+		remove_pset(force);
 		return;
 	case RT_PCAP:
-		remove_pcap();
+		remove_pcap(force);
 		return;
 	case RT_MCAP:
-		remove_mcap();
+		remove_mcap(force);
 		return;
 	case RT_ADMIN:
-		remove_admin(cmd);
+		remove_admin(cmd, force);
 		return;
 	default:
 		zone_perror(rt_to_str(type), Z_NO_RESOURCE_TYPE, B_TRUE);
@@ -3410,7 +3686,27 @@ remove_property(cmd_t *cmd)
 	int err, res_type, prop_type;
 	property_value_ptr_t pp;
 	struct zone_rctlvaltab *rctlvaltab;
+	struct zone_res_attrtab *np;
 	complex_property_ptr_t cx;
+	int arg;
+	boolean_t force = B_FALSE;
+	boolean_t arg_err = B_FALSE;
+
+	optind = 0;
+	while ((arg = getopt(cmd->cmd_argc, cmd->cmd_argv, "F")) != EOF) {
+		switch (arg) {
+		case 'F':
+			force = B_TRUE;
+			break;
+		default:
+			arg_err = B_TRUE;
+			break;
+		}
+	}
+	if (arg_err) {
+		saw_error = B_TRUE;
+		return;
+	}
 
 	res_type = resource_scope;
 	prop_type = cmd->cmd_prop_name[0];
@@ -3452,7 +3748,7 @@ remove_property(cmd_t *cmd)
 			prop_id = pp->pv_simple;
 			err = zonecfg_remove_fs_option(&in_progress_fstab,
 			    prop_id);
-			if (err != Z_OK)
+			if (err != Z_OK && !force)
 				zone_perror(pt_to_str(prop_type), err, B_TRUE);
 		} else {
 			list_property_ptr_t list;
@@ -3464,12 +3760,62 @@ remove_property(cmd_t *cmd)
 					break;
 				err = zonecfg_remove_fs_option(
 				    &in_progress_fstab, prop_id);
-				if (err != Z_OK)
+				if (err != Z_OK && !force)
 					zone_perror(pt_to_str(prop_type), err,
 					    B_TRUE);
 			}
 		}
 		return;
+	case RT_NET:		/* FALLTHRU */
+	case RT_DEVICE:
+		if (prop_type != PT_NPROP) {
+			zone_perror(pt_to_str(prop_type), Z_NO_PROPERTY_TYPE,
+			    B_TRUE);
+			long_usage(CMD_REMOVE, B_TRUE);
+			usage(B_FALSE, HELP_PROPS);
+			return;
+		}
+		pp = cmd->cmd_property_ptr[0];
+		if (pp->pv_type != PROP_VAL_COMPLEX) {
+			zerr(gettext("A %s value was expected here."),
+			    pvt_to_str(PROP_VAL_COMPLEX));
+			saw_error = B_TRUE;
+			return;
+		}
+
+		np = alloca(sizeof (struct zone_res_attrtab));
+		for (cx = pp->pv_complex; cx != NULL; cx = cx->cp_next) {
+			switch (cx->cp_type) {
+			case PT_NAME:
+				(void) strlcpy(np->zone_res_attr_name,
+				    cx->cp_value,
+				    sizeof (np->zone_res_attr_name));
+				break;
+			case PT_VALUE:
+				(void) strlcpy(np->zone_res_attr_value,
+				    cx->cp_value,
+				    sizeof (np->zone_res_attr_value));
+				break;
+			default:
+				zone_perror(pt_to_str(prop_type),
+				    Z_NO_PROPERTY_TYPE, B_TRUE);
+				long_usage(CMD_REMOVE, B_TRUE);
+				usage(B_FALSE, HELP_PROPS);
+				return;
+			}
+		}
+		np->zone_res_attr_next = NULL;
+
+		if (res_type == RT_NET) {
+			err = zonecfg_remove_res_attr(
+			    &(in_progress_nwiftab.zone_nwif_attrp), np);
+		} else {				/* RT_DEVICE */
+			err = zonecfg_remove_res_attr(
+			    &(in_progress_devtab.zone_dev_attrp), np);
+		}
+		if (err != Z_OK && !force)
+			zone_perror(pt_to_str(prop_type), err, B_TRUE);
+		return;
 	case RT_RCTL:
 		if (prop_type != PT_VALUE) {
 			zone_perror(pt_to_str(prop_type), Z_NO_PROPERTY_TYPE,
@@ -3518,22 +3864,10 @@ remove_property(cmd_t *cmd)
 		rctlvaltab->zone_rctlval_next = NULL;
 		err = zonecfg_remove_rctl_value(&in_progress_rctltab,
 		    rctlvaltab);
-		if (err != Z_OK)
+		if (err != Z_OK && !force)
 			zone_perror(pt_to_str(prop_type), err, B_TRUE);
 		zonecfg_free_rctl_value_list(rctlvaltab);
 		return;
-	case RT_NET:
-		if (prop_type != PT_DEFROUTER) {
-			zone_perror(pt_to_str(prop_type), Z_NO_PROPERTY_TYPE,
-			    B_TRUE);
-			long_usage(CMD_REMOVE, B_TRUE);
-			usage(B_FALSE, HELP_PROPS);
-			return;
-		} else {
-			bzero(&in_progress_nwiftab.zone_nwif_defrouter,
-			    sizeof (in_progress_nwiftab.zone_nwif_defrouter));
-			return;
-		}
 	default:
 		zone_perror(rt_to_str(res_type), Z_NO_RESOURCE_TYPE, B_TRUE);
 		long_usage(CMD_REMOVE, B_TRUE);
@@ -3596,8 +3930,7 @@ clear_property(cmd_t *cmd)
 	case RT_MCAP:
 		switch (prop_type) {
 		case PT_PHYSICAL:
-			in_progress_mcaptab.zone_physmem_cap[0] = '\0';
-			need_to_commit = B_TRUE;
+			remove_aliased_rctl(PT_PHYSICAL, ALIAS_MAXPHYSMEM);
 			return;
 		case PT_SWAP:
 			remove_aliased_rctl(PT_SWAP, ALIAS_MAXSWAP);
@@ -3607,6 +3940,30 @@ clear_property(cmd_t *cmd)
 			return;
 		}
 		break;
+	case RT_NET:
+		switch (prop_type) {
+		case PT_ALLOWED_ADDRESS:
+			in_progress_nwiftab.zone_nwif_allowed_address[0] = '\0';
+			need_to_commit = B_TRUE;
+			return;
+		case PT_DEFROUTER:
+			in_progress_nwiftab.zone_nwif_defrouter[0] = '\0';
+			need_to_commit = B_TRUE;
+			return;
+		case PT_GNIC:
+			in_progress_nwiftab.zone_nwif_gnic[0] = '\0';
+			need_to_commit = B_TRUE;
+			return;
+		case PT_MAC:
+			in_progress_nwiftab.zone_nwif_mac[0] = '\0';
+			need_to_commit = B_TRUE;
+			return;
+		case PT_VLANID:
+			in_progress_nwiftab.zone_nwif_vlan_id[0] = '\0';
+			need_to_commit = B_TRUE;
+			return;
+		}
+		break;
 	default:
 		break;
 	}
@@ -3632,6 +3989,8 @@ clear_global(cmd_t *cmd)
 		/* FALLTHRU */
 	case PT_ZONEPATH:
 		/* FALLTHRU */
+	case PT_UUID:
+		/* FALLTHRU */
 	case PT_BRAND:
 		zone_perror(pt_to_str(type), Z_CLEAR_DISALLOW, B_TRUE);
 		return;
@@ -3694,6 +4053,9 @@ clear_global(cmd_t *cmd)
 	case PT_SHARES:
 		remove_aliased_rctl(PT_SHARES, ALIAS_SHARES);
 		return;
+	case PT_ZFSPRI:
+		remove_aliased_rctl(PT_ZFSPRI, ALIAS_ZFSPRI);
+		return;
 	case PT_HOSTID:
 		if ((err = zonecfg_set_hostid(handle, NULL)) != Z_OK)
 			z_cmd_rt_perror(CMD_CLEAR, RT_HOSTID, err, B_TRUE);
@@ -3739,7 +4101,7 @@ clear_func(cmd_t *cmd)
 void
 select_func(cmd_t *cmd)
 {
-	int type, err, res;
+	int type, err;
 	uint64_t limit;
 	uint64_t tmp;
 
@@ -3834,7 +4196,8 @@ select_func(cmd_t *cmd)
 		return;
 	case RT_MCAP:
 		/* if none of these exist, there is no resource to select */
-		if ((res = zonecfg_lookup_mcap(handle, &old_mcaptab)) != Z_OK &&
+		if (zonecfg_get_aliased_rctl(handle, ALIAS_MAXPHYSMEM, &limit)
+		    != Z_OK &&
 		    zonecfg_get_aliased_rctl(handle, ALIAS_MAXSWAP, &limit)
 		    != Z_OK &&
 		    zonecfg_get_aliased_rctl(handle, ALIAS_MAXLOCKEDMEM, &limit)
@@ -3843,12 +4206,6 @@ select_func(cmd_t *cmd)
 			    B_TRUE);
 			global_scope = B_TRUE;
 		}
-		if (res == Z_OK)
-			bcopy(&old_mcaptab, &in_progress_mcaptab,
-			    sizeof (struct zone_mcaptab));
-		else
-			bzero(&in_progress_mcaptab,
-			    sizeof (in_progress_mcaptab));
 		return;
 	case RT_ADMIN:
 		if ((err = fill_in_admintab(cmd, &old_admintab, B_FALSE))
@@ -4115,7 +4472,6 @@ set_func(cmd_t *cmd)
 	boolean_t autoboot;
 	zone_iptype_t iptype;
 	boolean_t force_set = B_FALSE;
-	size_t physmem_size = sizeof (in_progress_mcaptab.zone_physmem_cap);
 	uint64_t mem_cap, mem_limit;
 	float cap;
 	char *unitp;
@@ -4190,6 +4546,10 @@ set_func(cmd_t *cmd)
 			res_type = RT_HOSTID;
 		} else if (prop_type == PT_FS_ALLOWED) {
 			res_type = RT_FS_ALLOWED;
+		} else if (prop_type == PT_ZFSPRI) {
+			res_type = RT_ZFSPRI;
+		} else if (prop_type == PT_UUID) {
+			res_type = RT_UUID;
 		} else {
 			zerr(gettext("Cannot set a resource-specific property "
 			    "from the global scope."));
@@ -4219,10 +4579,12 @@ set_func(cmd_t *cmd)
 	 * A nasty expression but not that complicated:
 	 * 1. fs options are simple or list (tested below)
 	 * 2. rctl value's are complex or list (tested below)
+	 * 3. net attr's are complex (tested below)
 	 * Anything else should be simple.
 	 */
 	if (!(res_type == RT_FS && prop_type == PT_OPTIONS) &&
 	    !(res_type == RT_RCTL && prop_type == PT_VALUE) &&
+	    !(res_type == RT_NET && prop_type == PT_NPROP) &&
 	    (pp->pv_type != PROP_VAL_SIMPLE ||
 	    (prop_id = pp->pv_simple) == NULL)) {
 		zerr(gettext("A %s value was expected here."),
@@ -4395,6 +4757,9 @@ set_func(cmd_t *cmd)
 	case RT_SHARES:
 		set_aliased_rctl(ALIAS_SHARES, prop_type, prop_id);
 		return;
+	case RT_ZFSPRI:
+		set_aliased_rctl(ALIAS_ZFSPRI, prop_type, prop_id);
+		return;
 	case RT_HOSTID:
 		if ((err = zonecfg_set_hostid(handle, prop_id)) != Z_OK) {
 			if (err == Z_TOO_BIG) {
@@ -4408,6 +4773,15 @@ set_func(cmd_t *cmd)
 		}
 		need_to_commit = B_TRUE;
 		return;
+	case RT_UUID:
+		/*
+		 * We can't set here.  We have to wait until commit since the
+		 * uuid will be updating the index file and we may not have
+		 * created the zone yet.
+		 */
+		(void) strlcpy(new_uuid, prop_id, sizeof (new_uuid));
+		need_to_commit = B_TRUE;
+		return;
 	case RT_FS_ALLOWED:
 		if ((err = zonecfg_set_fs_allowed(handle, prop_id)) != Z_OK)
 			zone_perror(zone, err, B_TRUE);
@@ -4482,6 +4856,21 @@ set_func(cmd_t *cmd)
 			    prop_id,
 			    sizeof (in_progress_nwiftab.zone_nwif_physical));
 			break;
+		case PT_MAC:
+			normalize_mac_addr(in_progress_nwiftab.zone_nwif_mac,
+			    prop_id,
+			    sizeof (in_progress_nwiftab.zone_nwif_mac));
+			break;
+		case PT_VLANID:
+			(void) strlcpy(in_progress_nwiftab.zone_nwif_vlan_id,
+			    prop_id,
+			    sizeof (in_progress_nwiftab.zone_nwif_vlan_id));
+			break;
+		case PT_GNIC:
+			(void) strlcpy(in_progress_nwiftab.zone_nwif_gnic,
+			    prop_id,
+			    sizeof (in_progress_nwiftab.zone_nwif_gnic));
+			break;
 		case PT_DEFROUTER:
 			if (validate_net_address_syntax(prop_id, B_TRUE)
 			    != Z_OK) {
@@ -4492,6 +4881,20 @@ set_func(cmd_t *cmd)
 			    prop_id,
 			    sizeof (in_progress_nwiftab.zone_nwif_defrouter));
 			break;
+		case PT_NPROP:
+			if (pp->pv_type != PROP_VAL_COMPLEX) {
+				zerr(gettext("A %s value was expected here."),
+				    pvt_to_str(PROP_VAL_COMPLEX));
+				saw_error = B_TRUE;
+				return;
+			}
+			zonecfg_free_res_attr_list(
+			    in_progress_nwiftab.zone_nwif_attrp);
+			in_progress_nwiftab.zone_nwif_attrp = NULL;
+			if (!(pp->pv_type == PROP_VAL_LIST &&
+			    pp->pv_list == NULL))
+				add_property(cmd);
+			break;
 		default:
 			zone_perror(pt_to_str(prop_type), Z_NO_PROPERTY_TYPE,
 			    B_TRUE);
@@ -4507,6 +4910,20 @@ set_func(cmd_t *cmd)
 			    prop_id,
 			    sizeof (in_progress_devtab.zone_dev_match));
 			break;
+		case PT_NPROP:
+			if (pp->pv_type != PROP_VAL_COMPLEX) {
+				zerr(gettext("A %s value was expected here."),
+				    pvt_to_str(PROP_VAL_COMPLEX));
+				saw_error = B_TRUE;
+				return;
+			}
+			zonecfg_free_res_attr_list(
+			    in_progress_devtab.zone_dev_attrp);
+			in_progress_devtab.zone_dev_attrp = NULL;
+			if (!(pp->pv_type == PROP_VAL_LIST &&
+			    pp->pv_list == NULL))
+				add_property(cmd);
+			break;
 		default:
 			zone_perror(pt_to_str(prop_type), Z_NO_PROPERTY_TYPE,
 			    B_TRUE);
@@ -4667,18 +5084,30 @@ set_func(cmd_t *cmd)
 	case RT_MCAP:
 		switch (prop_type) {
 		case PT_PHYSICAL:
+			/*
+			 * We have to check if an rctl is allowed here since
+			 * there might already be a rctl defined that blocks
+			 * the alias.
+			 */
+			if (!zonecfg_aliased_rctl_ok(handle,
+			    ALIAS_MAXPHYSMEM)) {
+				zone_perror(pt_to_str(PT_LOCKED),
+				    Z_ALIAS_DISALLOW, B_FALSE);
+				saw_error = B_TRUE;
+				return;
+			}
+
 			if (!zonecfg_valid_memlimit(prop_id, &mem_cap)) {
-				zerr(gettext("A positive number with a "
+				zerr(gettext("A non-negative number with a "
 				    "required scale suffix (K, M, G or T) was "
-				    "expected here."));
-				saw_error = B_TRUE;
-			} else if (mem_cap < ONE_MB) {
-				zerr(gettext("%s value is too small.  It must "
-				    "be at least 1M."), pt_to_str(PT_PHYSICAL));
+				    "expected\nhere."));
 				saw_error = B_TRUE;
 			} else {
-				snprintf(in_progress_mcaptab.zone_physmem_cap,
-				    physmem_size, "%llu", mem_cap);
+				if ((err = zonecfg_set_aliased_rctl(handle,
+				    ALIAS_MAXPHYSMEM, mem_cap)) != Z_OK)
+					zone_perror(zone, err, B_TRUE);
+				else
+					need_to_commit = B_TRUE;
 			}
 			break;
 		case PT_SWAP:
@@ -4950,6 +5379,23 @@ info_hostid(zone_dochandle_t handle, FILE *fp)
 }
 
 static void
+info_uuid(FILE *fp)
+{
+	uuid_t uuid;
+	char suuid[UUID_PRINTABLE_STRING_LENGTH];
+
+	if (new_uuid[0] != '\0') {
+		(void) fprintf(fp, "%s: %s\n", pt_to_str(PT_UUID), new_uuid);
+	} else if (zonecfg_get_uuid(zone, uuid) == Z_OK &&
+	    !uuid_is_null(uuid)) {
+		uuid_unparse(uuid, suuid);
+		(void) fprintf(fp, "%s: %s\n", pt_to_str(PT_UUID), suuid);
+	} else {
+		(void) fprintf(fp, "%s:\n", pt_to_str(PT_UUID));
+	}
+}
+
+static void
 info_fs_allowed(zone_dochandle_t handle, FILE *fp)
 {
 	char fsallowedp[ZONE_FS_ALLOWED_MAX];
@@ -5031,12 +5477,25 @@ loopend:
 static void
 output_net(FILE *fp, struct zone_nwiftab *nwiftab)
 {
+	struct zone_res_attrtab *np;
+
 	(void) fprintf(fp, "%s:\n", rt_to_str(RT_NET));
 	output_prop(fp, PT_ADDRESS, nwiftab->zone_nwif_address, B_TRUE);
 	output_prop(fp, PT_ALLOWED_ADDRESS,
 	    nwiftab->zone_nwif_allowed_address, B_TRUE);
-	output_prop(fp, PT_PHYSICAL, nwiftab->zone_nwif_physical, B_TRUE);
 	output_prop(fp, PT_DEFROUTER, nwiftab->zone_nwif_defrouter, B_TRUE);
+	output_prop(fp, PT_GNIC, nwiftab->zone_nwif_gnic, B_TRUE);
+	output_prop(fp, PT_MAC, nwiftab->zone_nwif_mac, B_TRUE);
+	output_prop(fp, PT_PHYSICAL, nwiftab->zone_nwif_physical, B_TRUE);
+	output_prop(fp, PT_VLANID, nwiftab->zone_nwif_vlan_id, B_TRUE);
+
+	for (np = nwiftab->zone_nwif_attrp; np != NULL;
+	    np = np->zone_res_attr_next) {
+		fprintf(fp, "\t%s: (%s=%s,%s=\"%s\")\n",
+		    pt_to_str(PT_NPROP),
+		    pt_to_str(PT_NAME), np->zone_res_attr_name,
+		    pt_to_str(PT_VALUE), np->zone_res_attr_value);
+	}
 }
 
 static void
@@ -5079,8 +5538,18 @@ info_net(zone_dochandle_t handle, FILE *fp, cmd_t *cmd)
 static void
 output_dev(FILE *fp, struct zone_devtab *devtab)
 {
+	struct zone_res_attrtab *np;
+
 	(void) fprintf(fp, "%s:\n", rt_to_str(RT_DEVICE));
 	output_prop(fp, PT_MATCH, devtab->zone_dev_match, B_TRUE);
+
+	for (np = devtab->zone_dev_attrp; np != NULL;
+	    np = np->zone_res_attr_next) {
+		fprintf(fp, "\t%s: (%s=%s,%s=\"%s\")\n",
+		    pt_to_str(PT_NPROP),
+		    pt_to_str(PT_NAME), np->zone_res_attr_name,
+		    pt_to_str(PT_VALUE), np->zone_res_attr_value);
+	}
 }
 
 static void
@@ -5339,15 +5808,18 @@ bytes_to_units(char *str, char *buf, int bufsize)
 }
 
 static void
-output_mcap(FILE *fp, struct zone_mcaptab *mcaptab, int showswap,
+output_mcap(FILE *fp, int showphys, uint64_t maxphys, int showswap,
     uint64_t maxswap, int showlocked, uint64_t maxlocked)
 {
 	char buf[128];
 
 	(void) fprintf(fp, "%s:\n", rt_to_str(RT_MCAP));
-	if (mcaptab->zone_physmem_cap[0] != '\0') {
-		bytes_to_units(mcaptab->zone_physmem_cap, buf, sizeof (buf));
-		output_prop(fp, PT_PHYSICAL, buf, B_TRUE);
+
+	if (showphys == Z_OK) {
+		(void) snprintf(buf, sizeof (buf), "%llu", maxphys);
+		bytes_to_units(buf, buf, sizeof (buf));
+		/* Print directly since "physical" also is a net property. */
+		(void) fprintf(fp, "\t[%s: %s]\n", pt_to_str(PT_PHYSICAL), buf);
 	}
 
 	if (showswap == Z_OK) {
@@ -5369,16 +5841,16 @@ info_mcap(zone_dochandle_t handle, FILE *fp)
 	int res1, res2, res3;
 	uint64_t swap_limit;
 	uint64_t locked_limit;
-	struct zone_mcaptab lookup;
+	uint64_t phys_limit;
 
-	bzero(&lookup, sizeof (lookup));
-	res1 = zonecfg_getmcapent(handle, &lookup);
+	res1 = zonecfg_get_aliased_rctl(handle, ALIAS_MAXPHYSMEM, &phys_limit);
 	res2 = zonecfg_get_aliased_rctl(handle, ALIAS_MAXSWAP, &swap_limit);
 	res3 = zonecfg_get_aliased_rctl(handle, ALIAS_MAXLOCKEDMEM,
 	    &locked_limit);
 
 	if (res1 == Z_OK || res2 == Z_OK || res3 == Z_OK)
-		output_mcap(fp, &lookup, res2, swap_limit, res3, locked_limit);
+		output_mcap(fp, res1, phys_limit, res2, swap_limit,
+		    res3, locked_limit);
 }
 
 static void
@@ -5429,9 +5901,11 @@ info_func(cmd_t *cmd)
 	FILE *fp = stdout;
 	boolean_t need_to_close = B_FALSE;
 	int type;
-	int res1, res2;
+	int res1, res2, res3;
 	uint64_t swap_limit;
 	uint64_t locked_limit;
+	uint64_t phys_limit;
+	struct stat statbuf;
 
 	assert(cmd != NULL);
 
@@ -5479,7 +5953,9 @@ info_func(cmd_t *cmd)
 			    &swap_limit);
 			res2 = zonecfg_get_aliased_rctl(handle,
 			    ALIAS_MAXLOCKEDMEM, &locked_limit);
-			output_mcap(fp, &in_progress_mcaptab, res1, swap_limit,
+			res3 = zonecfg_get_aliased_rctl(handle,
+			    ALIAS_MAXPHYSMEM, &phys_limit);
+			output_mcap(fp, res3, phys_limit, res1, swap_limit,
 			    res2, locked_limit);
 			break;
 		case RT_ADMIN:
@@ -5519,6 +5995,7 @@ info_func(cmd_t *cmd)
 			info_iptype(handle, fp);
 			info_hostid(handle, fp);
 			info_fs_allowed(handle, fp);
+			info_uuid(fp);
 		}
 		info_aliased_rctl(handle, fp, ALIAS_MAXLWPS);
 		info_aliased_rctl(handle, fp, ALIAS_MAXPROCS);
@@ -5527,6 +6004,7 @@ info_func(cmd_t *cmd)
 		info_aliased_rctl(handle, fp, ALIAS_MAXMSGIDS);
 		info_aliased_rctl(handle, fp, ALIAS_MAXSEMIDS);
 		info_aliased_rctl(handle, fp, ALIAS_SHARES);
+		info_aliased_rctl(handle, fp, ALIAS_ZFSPRI);
 		if (!global_zone) {
 			info_fs(handle, fp, cmd);
 			info_net(handle, fp, cmd);
@@ -5590,6 +6068,9 @@ info_func(cmd_t *cmd)
 	case RT_SHARES:
 		info_aliased_rctl(handle, fp, ALIAS_SHARES);
 		break;
+	case RT_ZFSPRI:
+		info_aliased_rctl(handle, fp, ALIAS_ZFSPRI);
+		break;
 	case RT_FS:
 		info_fs(handle, fp, cmd);
 		break;
@@ -5620,6 +6101,9 @@ info_func(cmd_t *cmd)
 	case RT_HOSTID:
 		info_hostid(handle, fp);
 		break;
+	case RT_UUID:
+		info_uuid(fp);
+		break;
 	case RT_ADMIN:
 		info_auth(handle, fp, cmd);
 		break;
@@ -6101,11 +6585,29 @@ verify_func(cmd_t *cmd)
 
 	if (save) {
 		if (ret_val == Z_OK) {
+			/*
+			 * If the zone doesn't yet have a debug ID, set one now.
+			 */
+			if (zonecfg_get_did(handle) == -1)
+				zonecfg_set_did(handle);
+
 			if ((ret_val = zonecfg_save(handle)) == Z_OK) {
 				need_to_commit = B_FALSE;
 				(void) strlcpy(revert_zone, zone,
 				    sizeof (revert_zone));
 			}
+
+			/*
+			 * Commit a new uuid at this point since we now know the
+			 * zone index entry will exist.
+			 */
+			if (new_uuid[0] != '\0') {
+				if ((err = zonecfg_set_uuid(zone, zonepath,
+				    new_uuid)) != Z_OK)
+					zone_perror(zone, err, B_FALSE);
+				else
+					new_uuid[0] = '\0';
+			}
 		} else {
 			zerr(gettext("Zone %s failed to verify"), zone);
 		}
@@ -6275,6 +6777,7 @@ end_func(cmd_t *cmd)
 	int err, arg, res1, res2, res3;
 	uint64_t swap_limit;
 	uint64_t locked_limit;
+	uint64_t phys_limit;
 	uint64_t proc_cap;
 
 	assert(cmd != NULL);
@@ -6578,8 +7081,8 @@ end_func(cmd_t *cmd)
 		break;
 	case RT_MCAP:
 		/* Make sure everything was filled in. */
-		res1 = strlen(in_progress_mcaptab.zone_physmem_cap) == 0 ?
-		    Z_ERR : Z_OK;
+		res1 = zonecfg_get_aliased_rctl(handle, ALIAS_MAXPHYSMEM,
+		    &phys_limit);
 		res2 = zonecfg_get_aliased_rctl(handle, ALIAS_MAXSWAP,
 		    &swap_limit);
 		res3 = zonecfg_get_aliased_rctl(handle, ALIAS_MAXLOCKEDMEM,
@@ -6595,11 +7098,6 @@ end_func(cmd_t *cmd)
 
 		/* if phys & locked are both set, verify locked <= phys */
 		if (res1 == Z_OK && res3 == Z_OK) {
-			uint64_t phys_limit;
-			char *endp;
-
-			phys_limit = strtoull(
-			    in_progress_mcaptab.zone_physmem_cap, &endp, 10);
 			if (phys_limit < locked_limit) {
 				zerr(gettext("The %s cap must be less than or "
 				    "equal to the %s cap."),
@@ -6611,23 +7109,6 @@ end_func(cmd_t *cmd)
 		}
 
 		err = Z_OK;
-		if (res1 == Z_OK) {
-			/*
-			 * We could be ending from either an add operation
-			 * or a select operation.  Since all of the properties
-			 * within this resource are optional, we always use
-			 * modify on the mcap entry.  zonecfg_modify_mcap()
-			 * will handle both adding and modifying a memory cap.
-			 */
-			err = zonecfg_modify_mcap(handle, &in_progress_mcaptab);
-		} else if (end_op == CMD_SELECT) {
-			/*
-			 * If we're ending from a select and the physical
-			 * memory cap is empty then the user could have cleared
-			 * the physical cap value, so try to delete the entry.
-			 */
-			(void) zonecfg_delete_mcap(handle);
-		}
 		break;
 	case RT_ADMIN:
 		/* First make sure everything was filled in. */
@@ -7176,8 +7657,10 @@ get_execbasename(char *execfullname)
 int
 main(int argc, char *argv[])
 {
-	int err, arg;
+	int err, arg, uflag = 0, zflag = 0;
 	struct stat st;
+	uuid_t uuidin;
+	char zonename[ZONENAME_MAX + 1];
 
 	/* This must be before anything goes to stdout. */
 	setbuf(stdout, NULL);
@@ -7204,7 +7687,7 @@ main(int argc, char *argv[])
 		exit(Z_OK);
 	}
 
-	while ((arg = getopt(argc, argv, "?f:R:z:")) != EOF) {
+	while ((arg = getopt(argc, argv, "?f:R:z:u:")) != EOF) {
 		switch (arg) {
 		case '?':
 			if (optopt == '?')
@@ -7231,6 +7714,21 @@ main(int argc, char *argv[])
 			}
 			zonecfg_set_root(optarg);
 			break;
+		case 'u':
+			if (uuid_parse((char *)optarg, uuidin) == -1)
+				return (Z_INVALID_PROPERTY);
+
+			if (zonecfg_get_name_by_uuid(uuidin, zonename,
+			    ZONENAME_MAX) != Z_OK) {
+				zone_perror(optarg, Z_BOGUS_ZONE_NAME, B_TRUE);
+				usage(B_FALSE, HELP_SYNTAX);
+				exit(Z_USAGE);
+			}
+
+			(void) strlcpy(zone, zonename, sizeof (zone));
+			(void) strlcpy(revert_zone, zonename, sizeof (zone));
+			uflag = 1;
+			break;
 		case 'z':
 			if (strcmp(optarg, GLOBAL_ZONENAME) == 0) {
 				global_zone = B_TRUE;
@@ -7241,6 +7739,7 @@ main(int argc, char *argv[])
 			}
 			(void) strlcpy(zone, optarg, sizeof (zone));
 			(void) strlcpy(revert_zone, optarg, sizeof (zone));
+			zflag = 1;
 			break;
 		default:
 			usage(B_FALSE, HELP_USAGE);
@@ -7248,7 +7747,7 @@ main(int argc, char *argv[])
 		}
 	}
 
-	if (optind > argc || strcmp(zone, "") == 0) {
+	if (optind > argc || strcmp(zone, "") == 0 || (uflag && zflag)) {
 		usage(B_FALSE, HELP_USAGE);
 		exit(Z_USAGE);
 	}
diff --git a/usr/src/cmd/zonecfg/zonecfg.h b/usr/src/cmd/zonecfg/zonecfg.h
index d8f8b14ce8..f8c78437ad 100644
--- a/usr/src/cmd/zonecfg/zonecfg.h
+++ b/usr/src/cmd/zonecfg/zonecfg.h
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent Inc. All rights reserved.
  */
 
 #ifndef _ZONECFG_H
@@ -90,9 +91,11 @@ extern "C" {
 #define	RT_ADMIN	26
 #define	RT_FS_ALLOWED	27
 #define	RT_MAXPROCS	28	/* really a rctl alias property, but for info */
+#define	RT_ZFSPRI	29	/* really a rctl alias property, but for info */
+#define	RT_UUID		30	/* really a property, but for info */
 
 #define	RT_MIN		RT_UNKNOWN
-#define	RT_MAX		RT_MAXPROCS
+#define	RT_MAX		RT_UUID
 
 /* property types: increment PT_MAX when expanding this list */
 #define	PT_UNKNOWN	0
@@ -137,9 +140,15 @@ extern "C" {
 #define	PT_FS_ALLOWED	39
 #define	PT_MAXPROCS	40
 #define	PT_ALLOWED_ADDRESS	41
+#define	PT_ZFSPRI	42
+#define	PT_MAC		43
+#define	PT_VLANID	44
+#define	PT_GNIC		45
+#define	PT_NPROP	46
+#define	PT_UUID		47
 
 #define	PT_MIN		PT_UNKNOWN
-#define	PT_MAX		PT_ALLOWED_ADDRESS
+#define	PT_MAX		PT_UUID
 
 #define	MAX_EQ_PROP_PAIRS	3
 
diff --git a/usr/src/cmd/zonecfg/zonecfg_grammar.y b/usr/src/cmd/zonecfg/zonecfg_grammar.y
index d7f11b6a46..13a17876b7 100644
--- a/usr/src/cmd/zonecfg/zonecfg_grammar.y
+++ b/usr/src/cmd/zonecfg/zonecfg_grammar.y
@@ -22,6 +22,7 @@
 
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2013, Joyent Inc. All rights reserved.
  */
 
 /*
@@ -136,6 +137,7 @@ complex_piece_func(int cp_type, const char *str, complex_property_ptr_t cp_next)
 %token OPEN_PAREN CLOSE_PAREN COMMA DATASET LIMITPRIV BOOTARGS BRAND PSET PCAP
 %token MCAP NCPUS IMPORTANCE SHARES MAXLWPS MAXSHMMEM MAXSHMIDS MAXMSGIDS
 %token MAXSEMIDS LOCKED SWAP SCHED CLEAR DEFROUTER ADMIN USER AUTHS MAXPROCS
+%token ZFSPRI MAC VLANID GNIC NPROP UUID
 
 %type <strval> TOKEN EQUAL OPEN_SQ_BRACKET CLOSE_SQ_BRACKET
     property_value OPEN_PAREN CLOSE_PAREN COMMA simple_prop_val
@@ -145,7 +147,7 @@ complex_piece_func(int cp_type, const char *str, complex_property_ptr_t cp_next)
 %type <ival> property_name SPECIAL RAW DIR OPTIONS TYPE ADDRESS PHYSICAL NAME
     MATCH ZONENAME ZONEPATH AUTOBOOT POOL LIMITPRIV BOOTARGS VALUE PRIV LIMIT
     ACTION BRAND SCHED IPTYPE DEFROUTER HOSTID USER AUTHS FS_ALLOWED
-    ALLOWED_ADDRESS
+    ALLOWED_ADDRESS MAC VLANID GNIC NPROP UUID
 %type <cmd> command
 %type <cmd> add_command ADD
 %type <cmd> cancel_command CANCEL
@@ -650,6 +652,24 @@ info_command:	INFO
 		$$->cmd_res_type = RT_FS_ALLOWED;
 		$$->cmd_prop_nv_pairs = 0;
 	}
+	|	INFO UUID
+	{
+		if (($$ = alloc_cmd()) == NULL)
+			YYERROR;
+		cmd = $$;
+		$$->cmd_handler = &info_func;
+		$$->cmd_res_type = RT_UUID;
+		$$->cmd_prop_nv_pairs = 0;
+	}
+	|	INFO ZFSPRI
+	{
+		if (($$ = alloc_cmd()) == NULL)
+			YYERROR;
+		cmd = $$;
+		$$->cmd_handler = &info_func;
+		$$->cmd_res_type = RT_ZFSPRI;
+		$$->cmd_prop_nv_pairs = 0;
+	}
 	|	INFO resource_type property_name EQUAL property_value
 	{
 		if (($$ = alloc_cmd()) == NULL)
@@ -734,6 +754,19 @@ remove_command: REMOVE
 		$$->cmd_prop_name[0] = $2;
 		$$->cmd_property_ptr[0] = &property[0];
 	}
+	| REMOVE TOKEN property_name property_value
+	{
+		if (($$ = alloc_cmd()) == NULL)
+			YYERROR;
+		cmd = $$;
+		$$->cmd_handler = &remove_func;
+		$$->cmd_argc = 1;
+		$$->cmd_argv[0] = claim_token($2);
+		$$->cmd_argv[1] = NULL;
+		$$->cmd_prop_nv_pairs = 1;
+		$$->cmd_prop_name[0] = $3;
+		$$->cmd_property_ptr[0] = &property[0];
+	}
 	| REMOVE resource_type property_name EQUAL property_value
 	{
 		if (($$ = alloc_cmd()) == NULL)
@@ -745,6 +778,20 @@ remove_command: REMOVE
 		$$->cmd_prop_name[0] = $3;
 		$$->cmd_property_ptr[0] = &property[0];
 	}
+	| REMOVE TOKEN resource_type property_name EQUAL property_value
+	{
+		if (($$ = alloc_cmd()) == NULL)
+			YYERROR;
+		cmd = $$;
+		$$->cmd_handler = &remove_func;
+		$$->cmd_res_type = $3;
+		$$->cmd_argc = 1;
+		$$->cmd_argv[0] = claim_token($2);
+		$$->cmd_argv[1] = NULL;
+		$$->cmd_prop_nv_pairs = 1;
+		$$->cmd_prop_name[0] = $4;
+		$$->cmd_property_ptr[0] = &property[0];
+	}
 	| REMOVE resource_type property_name EQUAL property_value property_name EQUAL property_value
 	{
 		if (($$ = alloc_cmd()) == NULL)
@@ -758,6 +805,22 @@ remove_command: REMOVE
 		$$->cmd_prop_name[1] = $6;
 		$$->cmd_property_ptr[1] = &property[1];
 	}
+	| REMOVE TOKEN resource_type property_name EQUAL property_value property_name EQUAL property_value
+	{
+		if (($$ = alloc_cmd()) == NULL)
+			YYERROR;
+		cmd = $$;
+		$$->cmd_handler = &remove_func;
+		$$->cmd_res_type = $3;
+		$$->cmd_argc = 1;
+		$$->cmd_argv[0] = claim_token($2);
+		$$->cmd_argv[1] = NULL;
+		$$->cmd_prop_nv_pairs = 2;
+		$$->cmd_prop_name[0] = $4;
+		$$->cmd_property_ptr[0] = &property[0];
+		$$->cmd_prop_name[1] = $7;
+		$$->cmd_property_ptr[1] = &property[1];
+	}
 	| REMOVE resource_type property_name EQUAL property_value property_name EQUAL property_value property_name EQUAL property_value
 	{
 		if (($$ = alloc_cmd()) == NULL)
@@ -773,6 +836,24 @@ remove_command: REMOVE
 		$$->cmd_prop_name[2] = $9;
 		$$->cmd_property_ptr[2] = &property[2];
 	}
+	| REMOVE TOKEN resource_type property_name EQUAL property_value property_name EQUAL property_value property_name EQUAL property_value
+	{
+		if (($$ = alloc_cmd()) == NULL)
+			YYERROR;
+		cmd = $$;
+		$$->cmd_handler = &remove_func;
+		$$->cmd_res_type = $3;
+		$$->cmd_argc = 1;
+		$$->cmd_argv[0] = claim_token($2);
+		$$->cmd_argv[1] = NULL;
+		$$->cmd_prop_nv_pairs = 3;
+		$$->cmd_prop_name[0] = $4;
+		$$->cmd_property_ptr[0] = &property[0];
+		$$->cmd_prop_name[1] = $7;
+		$$->cmd_property_ptr[1] = &property[1];
+		$$->cmd_prop_name[2] = $10;
+		$$->cmd_property_ptr[2] = &property[2];
+	}
 
 revert_command: REVERT
 	{
@@ -976,6 +1057,10 @@ property_name: SPECIAL	{ $$ = PT_SPECIAL; }
 	| ALLOWED_ADDRESS	{ $$ = PT_ALLOWED_ADDRESS; }
 	| PHYSICAL	{ $$ = PT_PHYSICAL; }
 	| DEFROUTER	{ $$ = PT_DEFROUTER; }
+	| MAC		{ $$ = PT_MAC; }
+	| VLANID	{ $$ = PT_VLANID; }
+	| GNIC		{ $$ = PT_GNIC; }
+	| NPROP		{ $$ = PT_NPROP; }
 	| NAME		{ $$ = PT_NAME; }
 	| VALUE		{ $$ = PT_VALUE; }
 	| MATCH		{ $$ = PT_MATCH; }
@@ -999,6 +1084,8 @@ property_name: SPECIAL	{ $$ = PT_SPECIAL; }
 	| USER		{ $$ = PT_USER; }
 	| AUTHS 	{ $$ = PT_AUTHS; }
 	| FS_ALLOWED	{ $$ = PT_FS_ALLOWED; }
+	| UUID		{ $$ = PT_UUID; }
+	| ZFSPRI	{ $$ = PT_ZFSPRI; }
 
 /*
  * The grammar builds data structures from the bottom up.  Thus various
diff --git a/usr/src/cmd/zonecfg/zonecfg_lex.l b/usr/src/cmd/zonecfg/zonecfg_lex.l
index 6a0b577b75..328a75c922 100644
--- a/usr/src/cmd/zonecfg/zonecfg_lex.l
+++ b/usr/src/cmd/zonecfg/zonecfg_lex.l
@@ -22,6 +22,7 @@
 
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent Inc. All rights reserved.
  */
 
 #include <assert.h>
@@ -57,10 +58,11 @@ extern void yyerror(char *s);
 static char *create_token(char *s);
 %}
 
-%a 7000
+%a 8000
 %p 5000
 %e 2000
 %n 1000
+%o 13000
 
 %{
 /*
@@ -236,6 +238,18 @@ static char *create_token(char *s);
 <TSTATE>defrouter	{ return DEFROUTER; }
 <CSTATE>defrouter	{ return DEFROUTER; }
 
+<TSTATE>mac-addr	{ return MAC; }
+<CSTATE>mac-addr	{ return MAC; }
+
+<TSTATE>vlan-id		{ return VLANID; }
+<CSTATE>vlan-id		{ return VLANID; }
+
+<TSTATE>global-nic	{ return GNIC; }
+<CSTATE>global-nic	{ return GNIC; }
+
+<TSTATE>property	{ return NPROP; }
+<CSTATE>property	{ return NPROP; }
+
 <TSTATE>dir	{ return DIR; }
 <CSTATE>dir	{ return DIR; }
 
@@ -308,6 +322,12 @@ static char *create_token(char *s);
 <TSTATE>fs-allowed	{ return FS_ALLOWED; }
 <CSTATE>fs-allowed	{ return FS_ALLOWED; }
 
+<TSTATE>uuid	{ return UUID; }
+<CSTATE>uuid	{ return UUID; }
+
+<TSTATE>zfs-io-priority	{ return ZFSPRI; }
+<CSTATE>zfs-io-priority	{ return ZFSPRI; }
+
 <TSTATE>=	{ return EQUAL; }
 <LSTATE>=	{ return EQUAL; }
 <CSTATE>=	{ return EQUAL; }
@@ -357,6 +377,13 @@ static char *create_token(char *s);
 			return TOKEN;
 		}
 
+<CSTATE>\"[^\"\n]*[\"\n] {
+			yylval.strval = create_token(yytext + 1);
+			if (yylval.strval[yyleng - 2] == '"')
+				yylval.strval[yyleng - 2] = 0;
+			return TOKEN;
+		}
+
 <TSTATE>\"[^\"\n]*[\"\n] {
 			yylval.strval = create_token(yytext + 1);
 			if (yylval.strval[yyleng - 2] == '"')
diff --git a/usr/src/cmd/zonename/Makefile b/usr/src/cmd/zonename/Makefile
index 566e893a67..3a51952455 100644
--- a/usr/src/cmd/zonename/Makefile
+++ b/usr/src/cmd/zonename/Makefile
@@ -28,8 +28,10 @@
 #
 
 PROG=	zonename
+OBJS=	zonename.o
 
 include	../Makefile.cmd
+include ../Makefile.ctf
 
 LDLIBS +=	-lzonecfg
 
@@ -37,6 +39,10 @@ LDLIBS +=	-lzonecfg
 
 all: $(PROG)
 
+$(PROG): $(OBJS)
+	$(LINK.c) -o $@ $(OBJS) $(LDLIBS)
+	$(POST_PROCESS)
+
 install: all $(ROOTSBINPROG)
 	$(RM) $(ROOTPROG)
 	$(SYMLINK) ../../sbin/$(PROG) $(ROOTPROG)
@@ -44,6 +50,10 @@ install: all $(ROOTSBINPROG)
 check:	$(PROG).c
 	$(CSTYLE) -pP $(PROG).c
 
+%.o: %.c
+	$(COMPILE.c) $<
+	$(POST_PROCESS_O)
+
 clean:
 
 lint: lint_PROG
diff --git a/usr/src/cmd/zonestat/zonestatd/zonestatd.c b/usr/src/cmd/zonestat/zonestatd/zonestatd.c
index b764551131..6c293bcc0e 100644
--- a/usr/src/cmd/zonestat/zonestatd/zonestatd.c
+++ b/usr/src/cmd/zonestat/zonestatd/zonestatd.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent, Inc. All rights reserved.
  */
 #include <alloca.h>
 #include <assert.h>
@@ -2190,7 +2191,7 @@ zsd_get_zone_rctl_usage(char *name)
 	return (rctlblk_get_value(rblk));
 }
 
-#define	ZSD_NUM_RCTL_VALS 19
+#define	ZSD_NUM_RCTL_VALS 20
 
 /*
  * Fetch the limit information for a zone.  This uses zone_enter() as the
@@ -2237,12 +2238,6 @@ zsd_get_zone_caps(zsd_ctl_t *ctl, zsd_zone_t *zone, uint64_t *cpu_shares,
 	*msgids = 0;
 	*lofi = 0;
 
-	/* Get the ram cap first since it is a zone attr */
-	ret = zone_getattr(zone->zsz_id, ZONE_ATTR_PHYS_MCAP,
-	    ram_cap, sizeof (*ram_cap));
-	if (ret < 0 || *ram_cap == 0)
-		*ram_cap = ZS_LIMIT_NONE;
-
 	/* Get the zone's default scheduling class */
 	ret = zone_getattr(zone->zsz_id, ZONE_ATTR_SCHED_CLASS,
 	    class, sizeof (class));
@@ -2298,6 +2293,7 @@ zsd_get_zone_caps(zsd_ctl_t *ctl, zsd_zone_t *zone, uint64_t *cpu_shares,
 		vals[i++] = zsd_get_zone_rctl_usage("zone.max-msg-ids");
 		vals[i++] = zsd_get_zone_rctl_limit("zone.max-lofi");
 		vals[i++] = zsd_get_zone_rctl_usage("zone.max-lofi");
+		vals[i++] = zsd_get_zone_rctl_usage("zone.max-physical-memory");
 
 		if (write(p[1], vals, ZSD_NUM_RCTL_VALS * sizeof (uint64_t)) !=
 		    ZSD_NUM_RCTL_VALS * sizeof (uint64_t)) {
@@ -2342,6 +2338,7 @@ zsd_get_zone_caps(zsd_ctl_t *ctl, zsd_zone_t *zone, uint64_t *cpu_shares,
 	*msgids = vals[i++];
 	*lofi_cap = vals[i++];
 	*lofi = vals[i++];
+	*ram_cap = vals[i++];
 
 	/* Interpret maximum values as no cap */
 	if (*cpu_cap == UINT32_MAX || *cpu_cap == 0)
diff --git a/usr/src/cmd/zpool/zpool_main.c b/usr/src/cmd/zpool/zpool_main.c
index 143ee2155d..855ec12c17 100644
--- a/usr/src/cmd/zpool/zpool_main.c
+++ b/usr/src/cmd/zpool/zpool_main.c
@@ -25,6 +25,7 @@
  * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
  * Copyright (c) 2012 by Frederik Wessels. All rights reserved.
  * Copyright (c) 2013 by Prasad Joshi (sTec). All rights reserved.
+ * Copyright (c) 2013 Joyent, Inc. All rights reserved.
  */
 
 #include <assert.h>
diff --git a/usr/src/common/brand/lx/lx_errno.c b/usr/src/common/brand/lx/lx_errno.c
new file mode 100644
index 0000000000..269ed470dc
--- /dev/null
+++ b/usr/src/common/brand/lx/lx_errno.c
@@ -0,0 +1,206 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * This file contains a mapping table and lookup function for converting
+ * illumos native error numbers into error numbers appropriate for Linux
+ * emulation.
+ *
+ * The translation table is generated by the "gen_errno", built from and
+ * documented in "usr/src/common/brand/lx/tools".
+ */
+
+#include <sys/debug.h>
+
+const int
+lx_stol_errno[] = {
+	0,	/*   0: No Error					*/
+	1,	/*   1: EPERM		-->   1: EPERM			*/
+	2,	/*   2: ENOENT		-->   2: ENOENT			*/
+	3,	/*   3: ESRCH		-->   3: ESRCH			*/
+	4,	/*   4: EINTR		-->   4: EINTR			*/
+	5,	/*   5: EIO		-->   5: EIO			*/
+	6,	/*   6: ENXIO		-->   6: ENXIO			*/
+	7,	/*   7: E2BIG		-->   7: E2BIG			*/
+	8,	/*   8: ENOEXEC		-->   8: ENOEXEC		*/
+	9,	/*   9: EBADF		-->   9: EBADF			*/
+	10,	/*  10: ECHILD		-->  10: ECHILD			*/
+	11,	/*  11: EAGAIN		-->  11: EAGAIN			*/
+	12,	/*  12: ENOMEM		-->  12: ENOMEM			*/
+	13,	/*  13: EACCES		-->  13: EACCES			*/
+	14,	/*  14: EFAULT		-->  14: EFAULT			*/
+	15,	/*  15: ENOTBLK		-->  15: ENOTBLK		*/
+	16,	/*  16: EBUSY		-->  16: EBUSY			*/
+	17,	/*  17: EEXIST		-->  17: EEXIST			*/
+	18,	/*  18: EXDEV		-->  18: EXDEV			*/
+	19,	/*  19: ENODEV		-->  19: ENODEV			*/
+	20,	/*  20: ENOTDIR		-->  20: ENOTDIR		*/
+	21,	/*  21: EISDIR		-->  21: EISDIR			*/
+	22,	/*  22: EINVAL		-->  22: EINVAL			*/
+	23,	/*  23: ENFILE		-->  23: ENFILE			*/
+	24,	/*  24: EMFILE		-->  24: EMFILE			*/
+	25,	/*  25: ENOTTY		-->  25: ENOTTY			*/
+	26,	/*  26: ETXTBSY		-->  26: ETXTBSY		*/
+	27,	/*  27: EFBIG		-->  27: EFBIG			*/
+	28,	/*  28: ENOSPC		-->  28: ENOSPC			*/
+	29,	/*  29: ESPIPE		-->  29: ESPIPE			*/
+	30,	/*  30: EROFS		-->  30: EROFS			*/
+	31,	/*  31: EMLINK		-->  31: EMLINK			*/
+	32,	/*  32: EPIPE		-->  32: EPIPE			*/
+	33,	/*  33: EDOM		-->  33: EDOM			*/
+	34,	/*  34: ERANGE		-->  34: ERANGE			*/
+	42,	/*  35: ENOMSG		-->  42: ENOMSG			*/
+	43,	/*  36: EIDRM		-->  43: EIDRM			*/
+	44,	/*  37: ECHRNG		-->  44: ECHRNG			*/
+	45,	/*  38: EL2NSYNC	-->  45: EL2NSYNC		*/
+	46,	/*  39: EL3HLT		-->  46: EL3HLT			*/
+	47,	/*  40: EL3RST		-->  47: EL3RST			*/
+	48,	/*  41: ELNRNG		-->  48: ELNRNG			*/
+	49,	/*  42: EUNATCH		-->  49: EUNATCH		*/
+	50,	/*  43: ENOCSI		-->  50: ENOCSI			*/
+	51,	/*  44: EL2HLT		-->  51: EL2HLT			*/
+	35,	/*  45: EDEADLK		-->  35: EDEADLK		*/
+	37,	/*  46: ENOLCK		-->  37: ENOLCK			*/
+	125,	/*  47: ECANCELED	--> 125: ECANCELED		*/
+	38,	/*  48: ENOTSUP		-->  38: ENOSYS			*/
+	122,	/*  49: EDQUOT		--> 122: EDQUOT			*/
+	52,	/*  50: EBADE		-->  52: EBADE			*/
+	53,	/*  51: EBADR		-->  53: EBADR			*/
+	54,	/*  52: EXFULL		-->  54: EXFULL			*/
+	55,	/*  53: ENOANO		-->  55: ENOANO			*/
+	56,	/*  54: EBADRQC		-->  56: EBADRQC		*/
+	57,	/*  55: EBADSLT		-->  57: EBADSLT		*/
+	35,	/*  56: EDEADLOCK	-->  35: EDEADLK		*/
+	59,	/*  57: EBFONT		-->  59: EBFONT			*/
+	130,	/*  58: EOWNERDEAD	--> 130: EOWNERDEAD		*/
+	131,	/*  59: ENOTRECOVERABLE	--> 131: ENOTRECOVERABLE	*/
+	60,	/*  60: ENOSTR		-->  60: ENOSTR			*/
+	61,	/*  61: ENODATA		-->  61: ENODATA		*/
+	62,	/*  62: ETIME		-->  62: ETIME			*/
+	63,	/*  63: ENOSR		-->  63: ENOSR			*/
+	64,	/*  64: ENONET		-->  64: ENONET			*/
+	65,	/*  65: ENOPKG		-->  65: ENOPKG			*/
+	66,	/*  66: EREMOTE		-->  66: EREMOTE		*/
+	67,	/*  67: ENOLINK		-->  67: ENOLINK		*/
+	68,	/*  68: EADV		-->  68: EADV			*/
+	69,	/*  69: ESRMNT		-->  69: ESRMNT			*/
+	70,	/*  70: ECOMM		-->  70: ECOMM			*/
+	71,	/*  71: EPROTO		-->  71: EPROTO			*/
+	-2,	/*  72: ELOCKUNMAPPED	-->  -2: No Analogue		*/
+	-2,	/*  73: ENOTACTIVE	-->  -2: No Analogue		*/
+	72,	/*  74: EMULTIHOP	-->  72: EMULTIHOP		*/
+	-1,	/*  75: Unused Number					*/
+	-1,	/*  76: Unused Number					*/
+	74,	/*  77: EBADMSG		-->  74: EBADMSG		*/
+	36,	/*  78: ENAMETOOLONG	-->  36: ENAMETOOLONG		*/
+	75,	/*  79: EOVERFLOW	-->  75: EOVERFLOW		*/
+	76,	/*  80: ENOTUNIQ	-->  76: ENOTUNIQ		*/
+	77,	/*  81: EBADFD		-->  77: EBADFD			*/
+	78,	/*  82: EREMCHG		-->  78: EREMCHG		*/
+	79,	/*  83: ELIBACC		-->  79: ELIBACC		*/
+	80,	/*  84: ELIBBAD		-->  80: ELIBBAD		*/
+	81,	/*  85: ELIBSCN		-->  81: ELIBSCN		*/
+	82,	/*  86: ELIBMAX		-->  82: ELIBMAX		*/
+	83,	/*  87: ELIBEXEC	-->  83: ELIBEXEC		*/
+	84,	/*  88: EILSEQ		-->  84: EILSEQ			*/
+	38,	/*  89: ENOSYS		-->  38: ENOSYS			*/
+	40,	/*  90: ELOOP		-->  40: ELOOP			*/
+	85,	/*  91: ERESTART	-->  85: ERESTART		*/
+	86,	/*  92: ESTRPIPE	-->  86: ESTRPIPE		*/
+	39,	/*  93: ENOTEMPTY	-->  39: ENOTEMPTY		*/
+	87,	/*  94: EUSERS		-->  87: EUSERS			*/
+	88,	/*  95: ENOTSOCK	-->  88: ENOTSOCK		*/
+	89,	/*  96: EDESTADDRREQ	-->  89: EDESTADDRREQ		*/
+	90,	/*  97: EMSGSIZE	-->  90: EMSGSIZE		*/
+	91,	/*  98: EPROTOTYPE	-->  91: EPROTOTYPE		*/
+	92,	/*  99: ENOPROTOOPT	-->  92: ENOPROTOOPT		*/
+	-1,	/* 100: Unused Number					*/
+	-1,	/* 101: Unused Number					*/
+	-1,	/* 102: Unused Number					*/
+	-1,	/* 103: Unused Number					*/
+	-1,	/* 104: Unused Number					*/
+	-1,	/* 105: Unused Number					*/
+	-1,	/* 106: Unused Number					*/
+	-1,	/* 107: Unused Number					*/
+	-1,	/* 108: Unused Number					*/
+	-1,	/* 109: Unused Number					*/
+	-1,	/* 110: Unused Number					*/
+	-1,	/* 111: Unused Number					*/
+	-1,	/* 112: Unused Number					*/
+	-1,	/* 113: Unused Number					*/
+	-1,	/* 114: Unused Number					*/
+	-1,	/* 115: Unused Number					*/
+	-1,	/* 116: Unused Number					*/
+	-1,	/* 117: Unused Number					*/
+	-1,	/* 118: Unused Number					*/
+	-1,	/* 119: Unused Number					*/
+	93,	/* 120: EPROTONOSUPPORT	-->  93: EPROTONOSUPPORT	*/
+	94,	/* 121: ESOCKTNOSUPPORT	-->  94: ESOCKTNOSUPPORT	*/
+	95,	/* 122: EOPNOTSUPP	-->  95: EOPNOTSUPP		*/
+	96,	/* 123: EPFNOSUPPORT	-->  96: EPFNOSUPPORT		*/
+	97,	/* 124: EAFNOSUPPORT	-->  97: EAFNOSUPPORT		*/
+	98,	/* 125: EADDRINUSE	-->  98: EADDRINUSE		*/
+	99,	/* 126: EADDRNOTAVAIL	-->  99: EADDRNOTAVAIL		*/
+	100,	/* 127: ENETDOWN	--> 100: ENETDOWN		*/
+	101,	/* 128: ENETUNREACH	--> 101: ENETUNREACH		*/
+	102,	/* 129: ENETRESET	--> 102: ENETRESET		*/
+	103,	/* 130: ECONNABORTED	--> 103: ECONNABORTED		*/
+	104,	/* 131: ECONNRESET	--> 104: ECONNRESET		*/
+	105,	/* 132: ENOBUFS		--> 105: ENOBUFS		*/
+	106,	/* 133: EISCONN		--> 106: EISCONN		*/
+	107,	/* 134: ENOTCONN	--> 107: ENOTCONN		*/
+	-1,	/* 135: Unused Number					*/
+	-1,	/* 136: Unused Number					*/
+	-1,	/* 137: Unused Number					*/
+	-1,	/* 138: Unused Number					*/
+	-1,	/* 139: Unused Number					*/
+	-1,	/* 140: Unused Number					*/
+	-1,	/* 141: Unused Number					*/
+	-1,	/* 142: Unused Number					*/
+	108,	/* 143: ESHUTDOWN	--> 108: ESHUTDOWN		*/
+	109,	/* 144: ETOOMANYREFS	--> 109: ETOOMANYREFS		*/
+	110,	/* 145: ETIMEDOUT	--> 110: ETIMEDOUT		*/
+	111,	/* 146: ECONNREFUSED	--> 111: ECONNREFUSED		*/
+	112,	/* 147: EHOSTDOWN	--> 112: EHOSTDOWN		*/
+	113,	/* 148: EHOSTUNREACH	--> 113: EHOSTUNREACH		*/
+	114,	/* 149: EALREADY	--> 114: EALREADY		*/
+	115,	/* 150: EINPROGRESS	--> 115: EINPROGRESS		*/
+	116	/* 151: ESTALE		--> 116: ESTALE			*/
+};
+
+/*
+ * Convert an illumos native error number to a Linux error number and return
+ * it.  If no valid conversion is possible, the function fails back to the
+ * value of "defval".  In userland, passing a default error number of "-1"
+ * will abort the program if the error number could not be converted.
+ */
+int
+lx_errno(int native_errno, int defval)
+{
+#ifdef	_KERNEL
+	VERIFY3S(defval, >=, 0);
+#endif
+
+	if (native_errno < 0 || native_errno >= (sizeof (lx_stol_errno) /
+	    sizeof (lx_stol_errno[0]))) {
+#ifndef	_KERNEL
+		VERIFY3S(defval, >=, 0);
+#endif
+
+		return (defval);
+	}
+
+	return (lx_stol_errno[native_errno]);
+}
diff --git a/usr/src/common/brand/lx/lx_errno.h b/usr/src/common/brand/lx/lx_errno.h
new file mode 100644
index 0000000000..10b6b3066c
--- /dev/null
+++ b/usr/src/common/brand/lx/lx_errno.h
@@ -0,0 +1,29 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _LX_ERRNO_H
+#define	_LX_ERRNO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int lx_errno(int, int);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LX_ERRNO_H */
diff --git a/usr/src/common/brand/lx/lx_signum.c b/usr/src/common/brand/lx/lx_signum.c
new file mode 100644
index 0000000000..4a8560a411
--- /dev/null
+++ b/usr/src/common/brand/lx/lx_signum.c
@@ -0,0 +1,316 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/signal.h>
+#include <sys/lx_siginfo.h>
+#include <lx_signum.h>
+#include <sys/debug.h>
+
+/*
+ * Delivering signals to a Linux process is complicated by differences in
+ * signal numbering, stack structure and contents, and the action taken when a
+ * signal handler exits.  In addition, many signal-related structures, such as
+ * sigset_ts, vary between Solaris and Linux.
+ *
+ * The simplest transformation that must be done when sending signals is to
+ * translate between Linux and Solaris signal numbers.
+ *
+ * These are the major signal number differences between Linux and Solaris:
+ *
+ * 	====================================
+ * 	| Number |   Linux    |  Solaris   |
+ * 	| ====== | =========  | ========== |
+ *	|    7   | SIGBUS     | SIGEMT     |
+ *	|   10   | SIGUSR1    | SIGBUS     |
+ *	|   12   | SIGUSR2    | SIGSYS     |
+ *	|   16   | SIGSTKFLT  | SIGUSR1    |
+ *	|   17   | SIGCHLD    | SIGUSR2    |
+ * 	|   18   | SIGCONT    | SIGCHLD    |
+ *	|   19   | SIGSTOP    | SIGPWR     |
+ * 	|   20   | SIGTSTP    | SIGWINCH   |
+ * 	|   21   | SIGTTIN    | SIGURG     |
+ * 	|   22   | SIGTTOU    | SIGPOLL    |
+ *	|   23   | SIGURG     | SIGSTOP    |
+ * 	|   24   | SIGXCPU    | SIGTSTP    |
+ *	|   25   | SIGXFSZ    | SIGCONT    |
+ *	|   26   | SIGVTALARM | SIGTTIN    |
+ *	|   27   | SIGPROF    | SIGTTOU    |
+ *	|   28   | SIGWINCH   | SIGVTALARM |
+ *	|   29   | SIGPOLL    | SIGPROF    |
+ *	|   30   | SIGPWR     | SIGXCPU    |
+ *	|   31   | SIGSYS     | SIGXFSZ    |
+ * 	====================================
+ *
+ * Not every Linux signal maps to a Solaris signal, nor does every Solaris
+ * signal map to a Linux counterpart. However, when signals do map, the
+ * mapping is unique.
+ *
+ * One mapping issue is that Linux supports 33 real time signals, with SIGRTMIN
+ * typically starting at or near 32 (SIGRTMIN) and proceeding to 64 (SIGRTMAX)
+ * (SIGRTMIN is "at or near" 32 because glibc usually "steals" one ore more of
+ * these signals for its own internal use, adjusting SIGRTMIN and SIGRTMAX as
+ * needed.)  Conversely, Solaris actively uses signals 32-40 for other purposes
+ * and supports exactly 32 real time signals, in the range 41 (SIGRTMIN)
+ * to 72 (SIGRTMAX).
+ *
+ * At present, attempting to translate a Linux signal equal to 63
+ * will generate an error (we allow SIGRTMAX because a program
+ * should be able to send SIGRTMAX without getting an EINVAL, though obviously
+ * anything that loops through the signals from SIGRTMIN to SIGRTMAX will
+ * fail.)
+ *
+ * Similarly, attempting to translate a native Solaris signal in the range
+ * 32-40 will also generate an error as we don't want to support the receipt of
+ * those signals from the Solaris global zone.
+ */
+
+/*
+ * Linux to Solaris signal map
+ *
+ * Usage:  solaris_signal = ltos_signum[lx_signal];
+ */
+const int
+ltos_signo[LX_NSIG + 1] = {
+	0,
+	SIGHUP,
+	SIGINT,
+	SIGQUIT,
+	SIGILL,
+	SIGTRAP,
+	SIGABRT,
+	SIGBUS,
+	SIGFPE,
+	SIGKILL,
+	SIGUSR1,
+	SIGSEGV,
+	SIGUSR2,
+	SIGPIPE,
+	SIGALRM,
+	SIGTERM,
+	SIGEMT,			/* 16:  Linux SIGSTKFLT; use Solaris SIGEMT */
+	SIGCHLD,
+	SIGCONT,
+	SIGSTOP,
+	SIGTSTP,
+	SIGTTIN,
+	SIGTTOU,
+	SIGURG,
+	SIGXCPU,
+	SIGXFSZ,
+	SIGVTALRM,
+	SIGPROF,
+	SIGWINCH,
+	SIGPOLL,
+	SIGPWR,
+	SIGSYS,
+	_SIGRTMIN,		/* 32:  Linux SIGRTMIN */
+	_SIGRTMIN + 1,
+	_SIGRTMIN + 2,
+	_SIGRTMIN + 3,
+	_SIGRTMIN + 4,
+	_SIGRTMIN + 5,
+	_SIGRTMIN + 6,
+	_SIGRTMIN + 7,
+	_SIGRTMIN + 8,
+	_SIGRTMIN + 9,
+	_SIGRTMIN + 10,
+	_SIGRTMIN + 11,
+	_SIGRTMIN + 12,
+	_SIGRTMIN + 13,
+	_SIGRTMIN + 14,
+	_SIGRTMIN + 15,
+	_SIGRTMIN + 16,
+	_SIGRTMIN + 17,
+	_SIGRTMIN + 18,
+	_SIGRTMIN + 19,
+	_SIGRTMIN + 20,
+	_SIGRTMIN + 21,
+	_SIGRTMIN + 22,
+	_SIGRTMIN + 23,
+	_SIGRTMIN + 24,
+	_SIGRTMIN + 25,
+	_SIGRTMIN + 26,
+	_SIGRTMIN + 27,
+	_SIGRTMIN + 28,
+	_SIGRTMIN + 29,
+	_SIGRTMIN + 30,
+	-1,			/* 63:  Linux SIGRTMIN + 31, or SIGRTMAX - 1 */
+	_SIGRTMAX,		/* 64:  Linux SIGRTMAX */
+};
+
+/*
+ * Solaris to Linux signal map
+ *
+ * Usage:  lx_signal = stol_signo[solaris_signal];
+ */
+const int
+stol_signo[NSIG] = {
+	0,
+	LX_SIGHUP,
+	LX_SIGINT,
+	LX_SIGQUIT,
+	LX_SIGILL,
+	LX_SIGTRAP,
+	LX_SIGABRT,
+	LX_SIGSTKFLT,		/* 7:  Solaris SIGEMT; use for LX_SIGSTKFLT */
+	LX_SIGFPE,
+	LX_SIGKILL,
+	LX_SIGBUS,
+	LX_SIGSEGV,
+	LX_SIGSYS,
+	LX_SIGPIPE,
+	LX_SIGALRM,
+	LX_SIGTERM,
+	LX_SIGUSR1,
+	LX_SIGUSR2,
+	LX_SIGCHLD,
+	LX_SIGPWR,
+	LX_SIGWINCH,
+	LX_SIGURG,
+	LX_SIGPOLL,
+	LX_SIGSTOP,
+	LX_SIGTSTP,
+	LX_SIGCONT,
+	LX_SIGTTIN,
+	LX_SIGTTOU,
+	LX_SIGVTALRM,
+	LX_SIGPROF,
+	LX_SIGXCPU,
+	LX_SIGXFSZ,
+	-1,			/* 32:  Solaris SIGWAITING */
+	-1,			/* 33:  Solaris SIGLWP */
+	-1,			/* 34:  Solaris SIGFREEZE */
+	-1,			/* 35:  Solaris SIGTHAW */
+	-1,			/* 36:  Solaris SIGCANCEL */
+	-1,			/* 37:  Solaris SIGLOST */
+	-1,			/* 38:  Solaris SIGXRES */
+	-1,			/* 39:  Solaris SIGJVM1 */
+	-1,			/* 40:  Solaris SIGJVM2 */
+	-1,			/* 41:  Solaris SIGINFO */
+	LX_SIGRTMIN,		/* 42:  Solaris _SIGRTMIN */
+	LX_SIGRTMIN + 1,
+	LX_SIGRTMIN + 2,
+	LX_SIGRTMIN + 3,
+	LX_SIGRTMIN + 4,
+	LX_SIGRTMIN + 5,
+	LX_SIGRTMIN + 6,
+	LX_SIGRTMIN + 7,
+	LX_SIGRTMIN + 8,
+	LX_SIGRTMIN + 9,
+	LX_SIGRTMIN + 10,
+	LX_SIGRTMIN + 11,
+	LX_SIGRTMIN + 12,
+	LX_SIGRTMIN + 13,
+	LX_SIGRTMIN + 14,
+	LX_SIGRTMIN + 15,
+	LX_SIGRTMIN + 16,
+	LX_SIGRTMIN + 17,
+	LX_SIGRTMIN + 18,
+	LX_SIGRTMIN + 19,
+	LX_SIGRTMIN + 20,
+	LX_SIGRTMIN + 21,
+	LX_SIGRTMIN + 22,
+	LX_SIGRTMIN + 23,
+	LX_SIGRTMIN + 24,
+	LX_SIGRTMIN + 25,
+	LX_SIGRTMIN + 26,
+	LX_SIGRTMIN + 27,
+	LX_SIGRTMIN + 28,
+	LX_SIGRTMIN + 29,
+	LX_SIGRTMIN + 30,
+	LX_SIGRTMAX,		/* 73: Solaris _SIGRTMAX */
+};
+
+/*
+ * Convert an illumos native signal number to a Linux signal number and return
+ * it.  If no valid conversion is possible, the function fails back to the
+ * value of "defsig".  In userland, passing a default signal number of "-1"
+ * will abort the program if the signal number could not be converted.
+ */
+int
+lx_stol_signo(int signo, int defsig)
+{
+	int rval;
+
+#ifdef	_KERNEL
+	VERIFY3S(defsig, >=, 0);
+#endif
+
+	if (signo < 0 || signo >= NSIG || (rval = stol_signo[signo]) < 1) {
+#ifndef	_KERNEL
+		VERIFY3S(defsig, >=, 0);
+#endif
+		return (defsig);
+	}
+
+	return (rval);
+}
+
+/*
+ * Convert the "status" field of a SIGCLD siginfo_t.  We need to extract the
+ * illumos signal number and convert it to a Linux signal number while leaving
+ * the ptrace(2) event bits intact.  In userland, passing a default signal
+ * number of "-1" will abort the program if the signal number could not be
+ * converted, as for lx_stol_signo().
+ */
+int
+lx_stol_status(int s, int defsig)
+{
+	/*
+	 * We mask out the top bit here in case PTRACE_O_TRACESYSGOOD
+	 * is in use and 0x80 has been ORed with the signal number.
+	 */
+	int stat = lx_stol_signo(s & 0x7f, defsig);
+
+	/*
+	 * We must mix in the ptrace(2) event which may be stored in
+	 * the second byte of the status code.  We also re-include the
+	 * PTRACE_O_TRACESYSGOOD bit.
+	 */
+	return ((s & 0xff80) | stat);
+}
+
+int
+lx_stol_sigcode(int code)
+{
+	switch (code) {
+	case SI_USER:
+		return (LX_SI_USER);
+	case SI_LWP:
+		return (LX_SI_TKILL);
+	case SI_QUEUE:
+		return (LX_SI_QUEUE);
+	case SI_TIMER:
+		return (LX_SI_TIMER);
+	case SI_ASYNCIO:
+		return (LX_SI_ASYNCIO);
+	case SI_MESGQ:
+		return (LX_SI_MESGQ);
+	default:
+		return (code);
+	}
+}
diff --git a/usr/src/common/brand/lx/lx_signum.h b/usr/src/common/brand/lx/lx_signum.h
new file mode 100644
index 0000000000..a7807c2b07
--- /dev/null
+++ b/usr/src/common/brand/lx/lx_signum.h
@@ -0,0 +1,85 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _LX_SIGNUM_H
+#define	_LX_SIGNUM_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#define	LX_SIGHUP	1
+#define	LX_SIGINT	2
+#define	LX_SIGQUIT	3
+#define	LX_SIGILL	4
+#define	LX_SIGTRAP	5
+#define	LX_SIGABRT	6
+#define	LX_SIGIOT	6
+#define	LX_SIGBUS	7
+#define	LX_SIGFPE	8
+#define	LX_SIGKILL	9
+#define	LX_SIGUSR1	10
+#define	LX_SIGSEGV	11
+#define	LX_SIGUSR2	12
+#define	LX_SIGPIPE	13
+#define	LX_SIGALRM	14
+#define	LX_SIGTERM	15
+#define	LX_SIGSTKFLT	16
+#define	LX_SIGCHLD	17
+#define	LX_SIGCONT	18
+#define	LX_SIGSTOP	19
+#define	LX_SIGTSTP	20
+#define	LX_SIGTTIN	21
+#define	LX_SIGTTOU	22
+#define	LX_SIGURG	23
+#define	LX_SIGXCPU	24
+#define	LX_SIGXFSZ	25
+#define	LX_SIGVTALRM	26
+#define	LX_SIGPROF	27
+#define	LX_SIGWINCH	28
+#define	LX_SIGIO	29
+#define	LX_SIGPOLL	LX_SIGIO
+#define	LX_SIGPWR	30
+#define	LX_SIGSYS	31
+#define	LX_SIGUNUSED	31
+
+#define	LX_NSIG		64	/* Linux _NSIG */
+
+#define	LX_SIGRTMIN	32
+#define	LX_SIGRTMAX	LX_NSIG
+
+extern const int ltos_signo[];
+extern const int stol_signo[];
+
+extern int lx_stol_signo(int, int);
+extern int lx_stol_status(int, int);
+extern int lx_stol_sigcode(int);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LX_SIGNUM_H */
diff --git a/usr/src/common/brand/lx/lx_syscall.h b/usr/src/common/brand/lx/lx_syscall.h
new file mode 100644
index 0000000000..e9d06fd9bc
--- /dev/null
+++ b/usr/src/common/brand/lx/lx_syscall.h
@@ -0,0 +1,94 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef	_LX_SYSCALL_H
+#define	_LX_SYSCALL_H
+
+#include <sys/lx_brand.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * The br_scall_args field of lx_lwp_data is going to be populated with
+ * pointers to structs. The types of these structs should be defined in this
+ * header file.  These are Linux specific arguments to system calls that don't
+ * exist in illumos. Each section should be labelled with which system call it
+ * belongs to.
+ */
+
+/* arguments for waitpid(2) */
+/* see comments in usr/src/lib/brand/lx/lx_brand/common/wait.c */
+#define	LX_WNOTHREAD	0x20000000 /* Do not wait on siblings' children */
+#define	LX_WALL		0x40000000 /* Wait on all children */
+#define	LX_WCLONE	0x80000000 /* Wait only on clone children */
+
+/* For arch_prctl(2) */
+#define	LX_ARCH_SET_GS	0x1001
+#define	LX_ARCH_SET_FS	0x1002
+#define	LX_ARCH_GET_FS	0x1003
+#define	LX_ARCH_GET_GS	0x1004
+
+/*
+ * For ptrace(2):
+ */
+#define	LX_PTRACE_TRACEME	0
+#define	LX_PTRACE_PEEKTEXT	1
+#define	LX_PTRACE_PEEKDATA	2
+#define	LX_PTRACE_PEEKUSER	3
+#define	LX_PTRACE_POKETEXT	4
+#define	LX_PTRACE_POKEDATA	5
+#define	LX_PTRACE_POKEUSER	6
+#define	LX_PTRACE_CONT		7
+#define	LX_PTRACE_KILL		8
+#define	LX_PTRACE_SINGLESTEP	9
+#define	LX_PTRACE_GETREGS	12
+#define	LX_PTRACE_SETREGS	13
+#define	LX_PTRACE_GETFPREGS	14
+#define	LX_PTRACE_SETFPREGS	15
+#define	LX_PTRACE_ATTACH	16
+#define	LX_PTRACE_DETACH	17
+#define	LX_PTRACE_GETFPXREGS	18
+#define	LX_PTRACE_SETFPXREGS	19
+#define	LX_PTRACE_SYSCALL	24
+#define	LX_PTRACE_SETOPTIONS	0x4200
+#define	LX_PTRACE_GETEVENTMSG	0x4201
+
+/*
+ * For clone(2):
+ */
+#define	LX_CSIGNAL		0x000000ff
+#define	LX_CLONE_VM		0x00000100
+#define	LX_CLONE_FS		0x00000200
+#define	LX_CLONE_FILES		0x00000400
+#define	LX_CLONE_SIGHAND	0x00000800
+#define	LX_CLONE_PID		0x00001000
+#define	LX_CLONE_PTRACE		0x00002000
+#define	LX_CLONE_VFORK		0x00004000
+#define	LX_CLONE_PARENT		0x00008000
+#define	LX_CLONE_THREAD		0x00010000
+#define	LX_CLONE_SYSVSEM	0x00040000
+#define	LX_CLONE_SETTLS		0x00080000
+#define	LX_CLONE_PARENT_SETTID	0x00100000
+#define	LX_CLONE_CHILD_CLEARTID	0x00200000
+#define	LX_CLONE_DETACH		0x00400000
+#define	LX_CLONE_CHILD_SETTID	0x01000000
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LX_SYSCALL_H */
diff --git a/usr/src/common/brand/lx/tools/Makefile b/usr/src/common/brand/lx/tools/Makefile
new file mode 100644
index 0000000000..5ad1240c55
--- /dev/null
+++ b/usr/src/common/brand/lx/tools/Makefile
@@ -0,0 +1,42 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+PROG =			gen_errno
+
+include ../../../../cmd/Makefile.cmd
+
+OBJS =			gen_errno.o
+
+CLOBBERFILES +=		$(PROG)
+
+NATIVECC_CFLAGS +=	$(CFLAGS) $(CCVERBOSE)
+NATIVECC_LDLIBS +=	-lcmdutils -lnvpair
+
+.KEEP_STATE:
+
+all: $(PROG)
+
+install: all
+
+lint:	lint_PROG
+
+clean:
+	$(RM) $(OBJS)
+
+$(PROG): $(OBJS)
+	$(NATIVECC) $(NATIVECC_CFLAGS) $(NATIVECC_LDLIBS) $(OBJS) -o $@
+	$(POST_PROCESS)
+
+include ../../../../cmd/Makefile.targ
diff --git a/usr/src/common/brand/lx/tools/README.md b/usr/src/common/brand/lx/tools/README.md
new file mode 100644
index 0000000000..5e4976f200
--- /dev/null
+++ b/usr/src/common/brand/lx/tools/README.md
@@ -0,0 +1,39 @@
+# Updating Error Number Translations
+
+To create an updated error number translation table, you can use the
+`gen_errno` tool.  This tool requires, as input:
+
+* the illumos native `errno.h` file
+* a set of foreign operating system `errno.h` files
+
+The output is a set of translation table entries suitable for inclusion in a
+cstyled C array.  The index of the array is the native error number and the
+value at each index is the translated error number for use with the foreign
+operating system.
+
+## Example
+
+To generate a translation table for the LX Brand, you will require two files
+from the current Linux source:
+
+* `include/uapi/asm-generic/errno-base.h` (low-valued, or base, error numbers)
+* `include/uapi/asm-generic/errno.h` (extended error numbers)
+
+Assuming the files are in the current directory, you should run the tool as
+follows:
+
+    $ dmake
+    ...
+    $ ./gen_errno -F errno-base.h -F errno.h \
+                  -N $SRC/uts/common/sys/errno.h
+    0, /*  0: No Error                            */
+    1, /*  1: EPERM       -->   1: EPERM          */
+    2, /*  2: ENOENT      -->   2: ENOENT         */
+    3, /*  3: ESRCH       -->   3: ESRCH          */
+    4, /*  4: EINTR       -->   4: EINTR          */
+    5, /*  5: EIO         -->   5: EIO            */
+    6, /*  6: ENXIO       -->   6: ENXIO          */
+    7, /*  7: E2BIG       -->   7: E2BIG          */
+    ...
+
+The output may be used in the `$SRC/common/brand/lx/lx_errno.c` file.
diff --git a/usr/src/common/brand/lx/tools/gen_errno.c b/usr/src/common/brand/lx/tools/gen_errno.c
new file mode 100644
index 0000000000..1edd924edf
--- /dev/null
+++ b/usr/src/common/brand/lx/tools/gen_errno.c
@@ -0,0 +1,450 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * Take the error number definitions from a foreign system and generate a
+ * translation table that converts illumos native error numbers to foreign
+ * system error numbers.
+ */
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <err.h>
+#include <sys/sysmacros.h>
+#include <libcmdutils.h>
+#include <libnvpair.h>
+
+nvlist_t *native_errors;
+nvlist_t *foreign_errors;
+
+struct override {
+	const char *ovr_from;
+	const char *ovr_to;
+} overrides[] = {
+	{ "ENOTSUP", "ENOSYS" },
+	{ 0 }
+};
+
+static const char *
+lookup_override(const char *from)
+{
+	int i;
+
+	for (i = 0; overrides[i].ovr_from != NULL; i++) {
+		if (strcmp(overrides[i].ovr_from, from) == 0) {
+			return (overrides[i].ovr_to);
+		}
+	}
+
+	return (NULL);
+}
+
+static int
+parse_int(const char *number, int *rval)
+{
+	long n;
+	char *endpos;
+
+	errno = 0;
+	if ((n = strtol(number, &endpos, 10)) == 0 && errno != 0) {
+		return (-1);
+	}
+
+	if (endpos != NULL && *endpos != '\0') {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (n > INT_MAX || n < INT_MIN) {
+		errno = EOVERFLOW;
+		return (-1);
+	}
+
+	*rval = (int)n;
+	return (0);
+}
+
+static int
+errnum_add(nvlist_t *nvl, const char *name, const char *number)
+{
+	int val;
+
+	if (nvlist_exists(nvl, name)) {
+		(void) fprintf(stderr, "ERROR: duplicate definition: %s -> "
+		    "%s\n", name, number);
+		errno = EEXIST;
+		return (-1);
+	}
+
+	/*
+	 * Try and parse the error number:
+	 */
+	if (parse_int(number, &val) == 0) {
+		/*
+		 * The name refers to a number.
+		 */
+		if (nvlist_add_int32(nvl, name, val) != 0) {
+			(void) fprintf(stderr, "ERROR: nvlist_add_int32: %s\n",
+			    strerror(errno));
+			return (-1);
+		}
+	} else {
+		/*
+		 * The name refers to another definition.
+		 */
+		if (nvlist_add_string(nvl, name, number) != 0) {
+			(void) fprintf(stderr, "ERROR: nvlist_add_string: %s\n",
+			    strerror(errno));
+			return (-1);
+		}
+	}
+
+	return (0);
+}
+
+static int
+errnum_max(nvlist_t *nvl)
+{
+	int max = 0;
+	nvpair_t *nvp = NULL;
+
+	while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
+		if (nvpair_type(nvp) != DATA_TYPE_INT32) {
+			continue;
+		}
+
+		max = MAX(fnvpair_value_int32(nvp), max);
+	}
+
+	return (max);
+}
+
+static int
+errname_by_num(nvlist_t *nvl, int num, const char **name)
+{
+	nvpair_t *nvp = NULL;
+
+	while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
+		if (nvpair_type(nvp) != DATA_TYPE_INT32) {
+			continue;
+		}
+
+		if (fnvpair_value_int32(nvp) == num) {
+			*name = nvpair_name(nvp);
+			return (0);
+		}
+	}
+
+	errno = ENOENT;
+	return (-1);
+}
+
+static int
+errno_by_name(nvlist_t *nvl, const char *name, int *rval, const char **rname)
+{
+	nvpair_t *nvp = NULL;
+
+	if (nvlist_lookup_nvpair(nvl, name, &nvp) != 0) {
+		errno = ENOENT;
+		return (-1);
+	}
+
+	if (nvpair_type(nvp) == DATA_TYPE_STRING) {
+		return (errno_by_name(nvl, fnvpair_value_string(nvp), rval,
+		    rname));
+	} else {
+		*rval = fnvpair_value_int32(nvp);
+		if (rname != NULL) {
+			*rname = name;
+		}
+		return (0);
+	}
+}
+
+static int
+process_line(const char *line, nvlist_t *nvl)
+{
+	custr_t *nam = NULL, *num = NULL;
+	const char *c = line;
+
+	if (custr_alloc(&nam) != 0 || custr_alloc(&num) != 0) {
+		int en = errno;
+
+		if (nam != NULL) {
+			custr_free(nam);
+		}
+		if (num != NULL) {
+			custr_free(num);
+		}
+
+		errno = en;
+		return (-1);
+	}
+
+	/*
+	 * Valid lines begin with "#define":
+	 */
+	if (*c++ != '#' || *c++ != 'd' || *c++ != 'e' || *c++ != 'f' ||
+	    *c++ != 'i' || *c++ != 'n' || *c++ != 'e') {
+		return (0);
+	}
+
+	/*
+	 * Eat whitespace:
+	 */
+	for (;;) {
+		if (*c == '\0') {
+			return (0);
+		}
+
+		if (*c != ' ' && *c != '\t') {
+			break;
+		}
+
+		c++;
+	}
+
+	/*
+	 * Read error number token:
+	 */
+	for (;;) {
+		if (*c == '\0') {
+			return (0);
+		}
+
+		if (*c == ' ' || *c == '\t') {
+			break;
+		}
+
+		if (custr_appendc(nam, *c) != 0) {
+			return (-1);
+		}
+
+		c++;
+	}
+
+	/*
+	 * Eat whitespace:
+	 */
+	for (;;) {
+		if (*c == '\0') {
+			return (0);
+		}
+
+		if (*c != ' ' && *c != '\t') {
+			break;
+		}
+
+		c++;
+	}
+
+	/*
+	 * Read error number token:
+	 */
+	for (;;) {
+		if (*c == '\0') {
+			break;
+		}
+
+		if (*c == ' ' || *c == '\t') {
+			break;
+		}
+
+		if (custr_appendc(num, *c) != 0) {
+			return (-1);
+		}
+
+		c++;
+	}
+
+	return (errnum_add(nvl, custr_cstr(nam), custr_cstr(num)));
+}
+
+static int
+read_file_into_list(const char *path, nvlist_t *nvl)
+{
+	int rval = 0, en = 0;
+	FILE *f;
+	custr_t *cu = NULL;
+
+	if (custr_alloc(&cu) != 0 || custr_append(cu, "") != 0) {
+		if (cu != NULL) {
+			custr_free(cu);
+		}
+		return (-1);
+	}
+
+	if ((f = fopen(path, "r")) == NULL) {
+		return (-1);
+	}
+
+	for (;;) {
+		int c;
+
+		errno = 0;
+		switch (c = fgetc(f)) {
+		case '\n':
+		case EOF:
+			if (errno != 0) {
+				en = errno;
+				rval = -1;
+				goto out;
+			}
+			if (process_line(custr_cstr(cu), nvl) != 0) {
+				en = errno;
+				rval = -1;
+				goto out;
+			}
+			custr_reset(cu);
+			if (c == EOF) {
+				goto out;
+			}
+			break;
+
+		case '\r':
+		case '\0':
+			/*
+			 * Ignore these characters.
+			 */
+			break;
+
+		default:
+			if (custr_appendc(cu, c) != 0) {
+				en = errno;
+				rval = -1;
+				goto out;
+			}
+			break;
+		}
+	}
+
+out:
+	(void) fclose(f);
+	custr_free(cu);
+	errno = en;
+	return (rval);
+}
+
+int
+main(int argc, char **argv)
+{
+	int max;
+	int fval;
+	int c;
+
+	if (nvlist_alloc(&native_errors, NV_UNIQUE_NAME, 0) != 0 ||
+	    nvlist_alloc(&foreign_errors, NV_UNIQUE_NAME, 0) != 0) {
+		err(1, "could not allocate memory");
+	}
+
+	while ((c = getopt(argc, argv, ":N:F:")) != -1) {
+		switch (c) {
+		case 'N':
+			if (read_file_into_list(optarg, native_errors) != 0) {
+				err(1, "could not read file: %s", optarg);
+			}
+			break;
+
+		case 'F':
+			if (read_file_into_list(optarg, foreign_errors) != 0) {
+				err(1, "could not read file: %s", optarg);
+			}
+			break;
+
+		case ':':
+			errx(1, "option -%c requires an operand", c);
+			break;
+
+		case '?':
+			errx(1, "option -%c unrecognised", c);
+			break;
+		}
+	}
+
+	/*
+	 * Print an array entry for each error number:
+	 */
+	max = errnum_max(native_errors);
+	for (fval = 0; fval <= max; fval++) {
+		const char *fname;
+		const char *tname = NULL;
+		int32_t tval;
+		const char *msg = NULL;
+		const char *comma = (fval != max) ? "," : "";
+
+		if (errname_by_num(native_errors, fval, &fname) == -1) {
+			fname = NULL;
+		}
+
+		if (fval == 0) {
+			/*
+			 * The error number "0" is special: it means no worries.
+			 */
+			msg = "No Error";
+			tval = 0;
+		} else if (fname == NULL) {
+			/*
+			 * There is no defined name for this error number; it
+			 * is unused.
+			 */
+			msg = "Unused Number";
+			tval = -1;
+		} else {
+			/*
+			 * Check if we want to override the name of this error
+			 * in the foreign error number lookup:
+			 */
+			const char *oname = lookup_override(fname);
+
+			/*
+			 * Do the lookup:
+			 */
+			if (errno_by_name(foreign_errors, oname != NULL ?
+			    oname : fname, &tval, &tname) != 0) {
+				/*
+				 * There was no foreign error number by that
+				 * name.
+				 */
+				tname = "No Analogue";
+				tval = -2;
+			}
+		}
+
+		if (msg == NULL) {
+			size_t flen = strlen(fname);
+			size_t tlen = strlen(tname);
+			const char *t = flen > 7 ? "\t" : "\t\t";
+			const char *tt = tlen < 7 ? "\t\t\t" : tlen < 15 ?
+			    "\t\t" : "\t";
+
+			(void) fprintf(stdout, "\t%d%s\t/* %3d: %s%s--> %3d: "
+			    "%s%s*/\n", tval, comma, fval, fname, t, tval,
+			    tname, tt);
+		} else {
+			const char *t = "\t\t\t\t\t";
+
+			(void) fprintf(stdout, "\t%d%s\t/* %3d: %s%s*/\n", tval,
+			    comma, fval, msg, t);
+		}
+	}
+
+	(void) nvlist_free(native_errors);
+	(void) nvlist_free(foreign_errors);
+
+	return (0);
+}
diff --git a/usr/src/common/ctf/ctf_create.c b/usr/src/common/ctf/ctf_create.c
index 239d166f44..b51765dd0c 100644
--- a/usr/src/common/ctf/ctf_create.c
+++ b/usr/src/common/ctf/ctf_create.c
@@ -25,7 +25,7 @@
  * Use is subject to license terms.
  */
 /*
- * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc.
  */
 
 #include <sys/sysmacros.h>
@@ -86,6 +86,43 @@ ctf_create(int *errp)
 	return (fp);
 }
 
+ctf_file_t *
+ctf_fdcreate(int fd, int *errp)
+{
+	ctf_file_t *fp;
+	static const ctf_header_t hdr = { { CTF_MAGIC, CTF_VERSION, 0 } };
+
+	const ulong_t hashlen = 128;
+	ctf_dtdef_t **hash = ctf_alloc(hashlen * sizeof (ctf_dtdef_t *));
+	ctf_sect_t cts;
+
+	if (hash == NULL)
+		return (ctf_set_open_errno(errp, EAGAIN));
+
+	cts.cts_name = _CTF_SECTION;
+	cts.cts_type = SHT_PROGBITS;
+	cts.cts_flags = 0;
+	cts.cts_data = &hdr;
+	cts.cts_size = sizeof (hdr);
+	cts.cts_entsize = 1;
+	cts.cts_offset = 0;
+
+	if ((fp = ctf_fdcreate_int(fd, errp, &cts)) == NULL) {
+		ctf_free(hash, hashlen * sizeof (ctf_dtdef_t *));
+		return (NULL);
+	}
+
+	fp->ctf_flags |= LCTF_RDWR;
+	fp->ctf_dthashlen = hashlen;
+	bzero(hash, hashlen * sizeof (ctf_dtdef_t *));
+	fp->ctf_dthash = hash;
+	fp->ctf_dtstrlen = sizeof (_CTF_STRTAB_TEMPLATE);
+	fp->ctf_dtnextid = 1;
+	fp->ctf_dtoldid = 0;
+
+	return (fp);
+}
+
 static uchar_t *
 ctf_copy_smembers(ctf_dtdef_t *dtd, uint_t soff, uchar_t *t)
 {
@@ -236,14 +273,23 @@ int
 ctf_update(ctf_file_t *fp)
 {
 	ctf_file_t ofp, *nfp;
-	ctf_header_t hdr;
+	ctf_header_t hdr, *bhdr;
 	ctf_dtdef_t *dtd;
-	ctf_sect_t cts;
+	ctf_dsdef_t *dsd;
+	ctf_dldef_t *dld;
+	ctf_sect_t cts, *symp, *strp;
 
 	uchar_t *s, *s0, *t;
-	size_t size;
+	ctf_lblent_t *label;
+	uint16_t *obj, *func;
+	size_t size, objsize, funcsize, labelsize, plen;
 	void *buf;
 	int err;
+	ulong_t i;
+	const char *plabel;
+
+	uintptr_t symbase = (uintptr_t)fp->ctf_symtab.cts_data;
+	uintptr_t strbase = (uintptr_t)fp->ctf_strtab.cts_data;
 
 	if (!(fp->ctf_flags & LCTF_RDWR))
 		return (ctf_set_errno(fp, ECTF_RDONLY));
@@ -261,8 +307,26 @@ ctf_update(ctf_file_t *fp)
 	hdr.cth_magic = CTF_MAGIC;
 	hdr.cth_version = CTF_VERSION;
 
-	if (fp->ctf_flags & LCTF_CHILD)
-		hdr.cth_parname = 1; /* i.e. _CTF_STRTAB_TEMPLATE[1] */
+	if (fp->ctf_flags & LCTF_CHILD) {
+		if (fp->ctf_parname == NULL) {
+			plen = 0;
+			hdr.cth_parname = 1; /* i.e. _CTF_STRTAB_TEMPLATE[1] */
+			plabel = NULL;
+		} else {
+			plen = strlen(fp->ctf_parname) + 1;
+			plabel = ctf_label_topmost(fp->ctf_parent);
+		}
+	} else {
+		plabel = NULL;
+		plen = 0;
+	}
+
+	/*
+	 * Iterate over the labels that we have.
+	 */
+	for (labelsize = 0, dld = ctf_list_next(&fp->ctf_dldefs);
+	    dld != NULL; dld = ctf_list_next(dld))
+		labelsize += sizeof (ctf_lblent_t);
 
 	/*
 	 * Iterate through the dynamic type definition list and compute the
@@ -304,25 +368,121 @@ ctf_update(ctf_file_t *fp)
 	}
 
 	/*
+	 * An entry for each object must exist in the data section. However, if
+	 * the symbol is SHN_UNDEF, then it is skipped. For objects, the storage
+	 * is just the size of the 2-byte id. For functions it's always 2 bytes,
+	 * plus 2 bytes per argument and the return type.
+	 */
+	dsd = ctf_list_next(&fp->ctf_dsdefs);
+	for (objsize = 0, funcsize = 0, i = 0; i < fp->ctf_nsyms; i++) {
+		int type;
+
+		if (fp->ctf_symtab.cts_entsize == sizeof (Elf32_Sym)) {
+			const Elf32_Sym *symp = (Elf32_Sym *)symbase + i;
+
+			type = ELF32_ST_TYPE(symp->st_info);
+			if (ctf_sym_valid(strbase, type, symp->st_shndx,
+			    symp->st_value, symp->st_name) == B_FALSE)
+				continue;
+		} else {
+			const Elf64_Sym *symp = (Elf64_Sym *)symbase + i;
+
+			type = ELF64_ST_TYPE(symp->st_info);
+			if (ctf_sym_valid(strbase, type, symp->st_shndx,
+			    symp->st_value, symp->st_name) == B_FALSE)
+				continue;
+		}
+
+		while (dsd != NULL && i > dsd->dts_symidx)
+			dsd = ctf_list_next(dsd);
+		if (type == STT_OBJECT) {
+			objsize += sizeof (uint16_t);
+		} else {
+			/* Every function has a uint16_t info no matter what */
+			if (dsd == NULL || i < dsd->dts_symidx) {
+				funcsize += sizeof (uint16_t);
+			} else {
+				funcsize += sizeof (uint16_t) *
+				    (dsd->dts_nargs + 2);
+			}
+		}
+	}
+
+	/*
+	 * The objtoff and funcoffset must be 2-byte aligned. We're guaranteed
+	 * that this is always true for the objtoff because labels are always 8
+	 * bytes large. Similarly, because objects are always two bytes of data,
+	 * this will always be true for funcoff.
+	 */
+	hdr.cth_objtoff = hdr.cth_lbloff + labelsize;
+	hdr.cth_funcoff = hdr.cth_objtoff + objsize;
+
+	/*
+	 * The type offset must be 4 byte aligned.
+	 */
+	hdr.cth_typeoff = hdr.cth_funcoff + funcsize;
+	if (hdr.cth_typeoff & 3)
+		hdr.cth_typeoff += 4 - (hdr.cth_typeoff & 3);
+	ASSERT((hdr.cth_typeoff & 3) == 0);
+
+	/*
 	 * Fill in the string table offset and size, compute the size of the
 	 * entire CTF buffer we need, and then allocate a new buffer and
 	 * bcopy the finished header to the start of the buffer.
 	 */
 	hdr.cth_stroff = hdr.cth_typeoff + size;
-	hdr.cth_strlen = fp->ctf_dtstrlen;
+	hdr.cth_strlen = fp->ctf_dtstrlen + plen;
 	size = sizeof (ctf_header_t) + hdr.cth_stroff + hdr.cth_strlen;
+	ctf_dprintf("lbloff: %d\nobjtoff: %d\nfuncoff: %d\n"
+	    "typeoff: %d\nstroff: %d\nstrlen: %d\n",
+	    hdr.cth_lbloff, hdr.cth_objtoff, hdr.cth_funcoff,
+	    hdr.cth_typeoff, hdr.cth_stroff, hdr.cth_strlen);
 
 	if ((buf = ctf_data_alloc(size)) == MAP_FAILED)
 		return (ctf_set_errno(fp, EAGAIN));
 
 	bcopy(&hdr, buf, sizeof (ctf_header_t));
-	t = (uchar_t *)buf + sizeof (ctf_header_t);
+	bhdr = buf;
+	label = (ctf_lblent_t *)((uintptr_t)buf + sizeof (ctf_header_t));
+	t = (uchar_t *)buf + sizeof (ctf_header_t) + hdr.cth_typeoff;
 	s = s0 = (uchar_t *)buf + sizeof (ctf_header_t) + hdr.cth_stroff;
+	obj = (uint16_t *)((uintptr_t)buf + sizeof (ctf_header_t) +
+	    hdr.cth_objtoff);
+	func = (uint16_t *)((uintptr_t)buf + sizeof (ctf_header_t) +
+	    hdr.cth_funcoff);
 
 	bcopy(_CTF_STRTAB_TEMPLATE, s, sizeof (_CTF_STRTAB_TEMPLATE));
 	s += sizeof (_CTF_STRTAB_TEMPLATE);
 
 	/*
+	 * We have an actual parent name and we're a child container, therefore
+	 * we should make sure to note our parent's name here.
+	 */
+	if (plen != 0) {
+		VERIFY(s + plen - s0 <= hdr.cth_strlen);
+		bcopy(fp->ctf_parname, s, plen);
+		bhdr->cth_parname = s - s0;
+		s += plen;
+	}
+
+	/*
+	 * First pass over the labels and copy them out.
+	 */
+	for (dld = ctf_list_next(&fp->ctf_dldefs); dld != NULL;
+	    dld = ctf_list_next(dld), label++) {
+		size_t len = strlen(dld->dld_name) + 1;
+
+		VERIFY(s + len - s0 <= hdr.cth_strlen);
+		bcopy(dld->dld_name, s, len);
+		label->ctl_typeidx = dld->dld_type;
+		label->ctl_label = s - s0;
+		s += len;
+
+		if (plabel != NULL && strcmp(plabel, dld->dld_name) == 0)
+			bhdr->cth_parlabel = label->ctl_label;
+	}
+
+	/*
 	 * We now take a final lap through the dynamic type definition list and
 	 * copy the appropriate type records and strings to the output buffer.
 	 */
@@ -339,6 +499,7 @@ ctf_update(ctf_file_t *fp)
 		if (dtd->dtd_name != NULL) {
 			dtd->dtd_data.ctt_name = (uint_t)(s - s0);
 			len = strlen(dtd->dtd_name) + 1;
+			VERIFY(s + len - s0 <= hdr.cth_strlen);
 			bcopy(dtd->dtd_name, s, len);
 			s += len;
 		} else
@@ -411,6 +572,61 @@ ctf_update(ctf_file_t *fp)
 	}
 
 	/*
+	 * Now we fill in our dynamic data and function sections. We use the
+	 * same criteria as above, but also consult the dsd list.
+	 */
+	dsd = ctf_list_next(&fp->ctf_dsdefs);
+	for (i = 0; i < fp->ctf_nsyms; i++) {
+		int type;
+		if (fp->ctf_symtab.cts_entsize == sizeof (Elf32_Sym)) {
+			const Elf32_Sym *symp = (Elf32_Sym *)symbase + i;
+			type = ELF32_ST_TYPE(symp->st_info);
+
+			if (ctf_sym_valid(strbase, type, symp->st_shndx,
+			    symp->st_value, symp->st_name) == B_FALSE)
+				continue;
+		} else {
+			const Elf64_Sym *symp = (Elf64_Sym *)symbase + i;
+			type = ELF64_ST_TYPE(symp->st_info);
+			if (ctf_sym_valid(strbase, type, symp->st_shndx,
+			    symp->st_value, symp->st_name) == B_FALSE)
+				continue;
+		}
+
+		while (dsd != NULL && i > dsd->dts_symidx) {
+			dsd = ctf_list_next(dsd);
+		}
+		if (type == STT_OBJECT) {
+			if (dsd == NULL || i < dsd->dts_symidx) {
+				*obj = 0;
+			} else {
+				*obj = dsd->dts_tid;
+			}
+			obj++;
+			VERIFY((uintptr_t)obj <= (uintptr_t)func);
+		} else {
+			if (dsd == NULL || i < dsd->dts_symidx) {
+				ushort_t data = CTF_TYPE_INFO(CTF_K_UNKNOWN,
+				    0, 0);
+				*func = data;
+				func++;
+			} else {
+				int j;
+				ushort_t data = CTF_TYPE_INFO(CTF_K_FUNCTION, 0,
+				    dsd->dts_nargs);
+
+				*func = data;
+				func++;
+				*func = dsd->dts_tid;
+				func++;
+				for (j = 0; j < dsd->dts_nargs; j++)
+					func[j] = dsd->dts_argc[j];
+				func += dsd->dts_nargs;
+			}
+		}
+	}
+
+	/*
 	 * Finally, we are ready to ctf_bufopen() the new container.  If this
 	 * is successful, we then switch nfp and fp and free the old container.
 	 */
@@ -423,7 +639,15 @@ ctf_update(ctf_file_t *fp)
 	cts.cts_entsize = 1;
 	cts.cts_offset = 0;
 
-	if ((nfp = ctf_bufopen(&cts, NULL, NULL, &err)) == NULL) {
+	if (fp->ctf_nsyms == 0) {
+		symp = NULL;
+		strp = NULL;
+	} else {
+		symp = &fp->ctf_symtab;
+		strp = &fp->ctf_strtab;
+	}
+
+	if ((nfp = ctf_bufopen(&cts, symp, strp, &err)) == NULL) {
 		ctf_data_free(buf, size);
 		return (ctf_set_errno(fp, err));
 	}
@@ -433,10 +657,11 @@ ctf_update(ctf_file_t *fp)
 
 	nfp->ctf_refcnt = fp->ctf_refcnt;
 	nfp->ctf_flags |= fp->ctf_flags & ~LCTF_DIRTY;
-	nfp->ctf_data.cts_data = NULL; /* force ctf_data_free() on close */
 	nfp->ctf_dthash = fp->ctf_dthash;
 	nfp->ctf_dthashlen = fp->ctf_dthashlen;
 	nfp->ctf_dtdefs = fp->ctf_dtdefs;
+	nfp->ctf_dsdefs = fp->ctf_dsdefs;
+	nfp->ctf_dldefs = fp->ctf_dldefs;
 	nfp->ctf_dtstrlen = fp->ctf_dtstrlen;
 	nfp->ctf_dtnextid = fp->ctf_dtnextid;
 	nfp->ctf_dtoldid = fp->ctf_dtnextid - 1;
@@ -445,6 +670,11 @@ ctf_update(ctf_file_t *fp)
 	fp->ctf_dthash = NULL;
 	fp->ctf_dthashlen = 0;
 	bzero(&fp->ctf_dtdefs, sizeof (ctf_list_t));
+	bzero(&fp->ctf_dsdefs, sizeof (ctf_list_t));
+	bzero(&fp->ctf_dldefs, sizeof (ctf_list_t));
+
+	bzero(&fp->ctf_symtab, sizeof (ctf_sect_t));
+	bzero(&fp->ctf_strtab, sizeof (ctf_sect_t));
 
 	bcopy(fp, &ofp, sizeof (ctf_file_t));
 	bcopy(nfp, fp, sizeof (ctf_file_t));
@@ -563,6 +793,101 @@ ctf_dtd_lookup(ctf_file_t *fp, ctf_id_t type)
 	return (dtd);
 }
 
+ctf_dsdef_t *
+ctf_dsd_lookup(ctf_file_t *fp, ulong_t idx)
+{
+	ctf_dsdef_t *dsd;
+
+	for (dsd = ctf_list_next(&fp->ctf_dsdefs); dsd != NULL;
+	    dsd = ctf_list_next(dsd)) {
+		if (dsd->dts_symidx == idx)
+			return (dsd);
+	}
+
+	return (NULL);
+}
+
+/*
+ * We order the ctf_dsdef_t by symbol index to make things better for updates.
+ */
+void
+ctf_dsd_insert(ctf_file_t *fp, ctf_dsdef_t *dsd)
+{
+	ctf_dsdef_t *i;
+
+	for (i = ctf_list_next(&fp->ctf_dsdefs); i != NULL;
+	    i = ctf_list_next(i)) {
+		if (i->dts_symidx > dsd->dts_symidx)
+			break;
+	}
+
+	if (i == NULL) {
+		ctf_list_append(&fp->ctf_dsdefs, dsd);
+		return;
+	}
+
+	ctf_list_insert_before(&fp->ctf_dsdefs, i, dsd);
+}
+
+/* ARGSUSED */
+void
+ctf_dsd_delete(ctf_file_t *fp, ctf_dsdef_t *dsd)
+{
+	if (dsd->dts_argc != NULL)
+		ctf_free(dsd->dts_argc,
+		    sizeof (ctf_id_t) * dsd->dts_nargs);
+	ctf_list_delete(&fp->ctf_dsdefs, dsd);
+	ctf_free(dsd, sizeof (ctf_dsdef_t));
+}
+
+ctf_dldef_t *
+ctf_dld_lookup(ctf_file_t *fp, const char *name)
+{
+	ctf_dldef_t *dld;
+
+	for (dld = ctf_list_next(&fp->ctf_dldefs); dld != NULL;
+	    dld = ctf_list_next(dld)) {
+		if (strcmp(name, dld->dld_name) == 0)
+			return (dld);
+	}
+
+	return (NULL);
+}
+
+void
+ctf_dld_insert(ctf_file_t *fp, ctf_dldef_t *dld, uint_t pos)
+{
+	ctf_dldef_t *l;
+
+	if (pos == 0) {
+		ctf_list_prepend(&fp->ctf_dldefs, dld);
+		return;
+	}
+
+	for (l = ctf_list_next(&fp->ctf_dldefs); pos != 0 && dld != NULL;
+	    l = ctf_list_next(l), pos--)
+		;
+
+	if (l == NULL)
+		ctf_list_append(&fp->ctf_dldefs, dld);
+	else
+		ctf_list_insert_before(&fp->ctf_dsdefs, l, dld);
+}
+
+void
+ctf_dld_delete(ctf_file_t *fp, ctf_dldef_t *dld)
+{
+	ctf_list_delete(&fp->ctf_dldefs, dld);
+
+	if (dld->dld_name != NULL) {
+		size_t len = strlen(dld->dld_name) + 1;
+		ctf_free(dld->dld_name, len);
+		fp->ctf_dtstrlen -= len;
+	}
+
+	ctf_free(dld, sizeof (ctf_dldef_t));
+}
+
 /*
  * Discard all of the dynamic type definitions that have been added to the
  * container since the last call to ctf_update().  We locate such types by
@@ -583,10 +908,10 @@ ctf_discard(ctf_file_t *fp)
 		return (0); /* no update required */
 
 	for (dtd = ctf_list_prev(&fp->ctf_dtdefs); dtd != NULL; dtd = ntd) {
+		ntd = ctf_list_prev(dtd);
 		if (dtd->dtd_type <= fp->ctf_dtoldid)
 			continue; /* skip types that have been committed */
 
-		ntd = ctf_list_prev(dtd);
 		ctf_dtd_delete(fp, dtd);
 	}
 
@@ -656,7 +981,7 @@ clp2(size_t x)
 	return (x + 1);
 }
 
-static ctf_id_t
+ctf_id_t
 ctf_add_encoded(ctf_file_t *fp, uint_t flag,
     const char *name, const ctf_encoding_t *ep, uint_t kind)
 {
@@ -676,8 +1001,9 @@ ctf_add_encoded(ctf_file_t *fp, uint_t flag,
 	return (type);
 }
 
-static ctf_id_t
-ctf_add_reftype(ctf_file_t *fp, uint_t flag, ctf_id_t ref, uint_t kind)
+ctf_id_t
+ctf_add_reftype(ctf_file_t *fp, uint_t flag,
+    const char *name, ctf_id_t ref, uint_t kind)
 {
 	ctf_dtdef_t *dtd;
 	ctf_id_t type;
@@ -685,7 +1011,7 @@ ctf_add_reftype(ctf_file_t *fp, uint_t flag, ctf_id_t ref, uint_t kind)
 	if (ref == CTF_ERR || ref < 0 || ref > CTF_MAX_TYPE)
 		return (ctf_set_errno(fp, EINVAL));
 
-	if ((type = ctf_add_generic(fp, flag, NULL, &dtd)) == CTF_ERR)
+	if ((type = ctf_add_generic(fp, flag, name, &dtd)) == CTF_ERR)
 		return (CTF_ERR); /* errno is set for us */
 
 	ctf_ref_inc(fp, ref);
@@ -711,9 +1037,9 @@ ctf_add_float(ctf_file_t *fp, uint_t flag,
 }
 
 ctf_id_t
-ctf_add_pointer(ctf_file_t *fp, uint_t flag, ctf_id_t ref)
+ctf_add_pointer(ctf_file_t *fp, uint_t flag, const char *name, ctf_id_t ref)
 {
-	return (ctf_add_reftype(fp, flag, ref, CTF_K_POINTER));
+	return (ctf_add_reftype(fp, flag, name, ref, CTF_K_POINTER));
 }
 
 ctf_id_t
@@ -781,7 +1107,7 @@ ctf_set_array(ctf_file_t *fp, ctf_id_t type, const ctf_arinfo_t *arp)
 }
 
 ctf_id_t
-ctf_add_function(ctf_file_t *fp, uint_t flag,
+ctf_add_funcptr(ctf_file_t *fp, uint_t flag,
     const ctf_funcinfo_t *ctc, const ctf_id_t *argv)
 {
 	ctf_dtdef_t *dtd;
@@ -965,21 +1291,21 @@ ctf_add_typedef(ctf_file_t *fp, uint_t flag, const char *name, ctf_id_t ref)
 }
 
 ctf_id_t
-ctf_add_volatile(ctf_file_t *fp, uint_t flag, ctf_id_t ref)
+ctf_add_volatile(ctf_file_t *fp, uint_t flag, const char *name, ctf_id_t ref)
 {
-	return (ctf_add_reftype(fp, flag, ref, CTF_K_VOLATILE));
+	return (ctf_add_reftype(fp, flag, name, ref, CTF_K_VOLATILE));
 }
 
 ctf_id_t
-ctf_add_const(ctf_file_t *fp, uint_t flag, ctf_id_t ref)
+ctf_add_const(ctf_file_t *fp, uint_t flag, const char *name, ctf_id_t ref)
 {
-	return (ctf_add_reftype(fp, flag, ref, CTF_K_CONST));
+	return (ctf_add_reftype(fp, flag, name, ref, CTF_K_CONST));
 }
 
 ctf_id_t
-ctf_add_restrict(ctf_file_t *fp, uint_t flag, ctf_id_t ref)
+ctf_add_restrict(ctf_file_t *fp, uint_t flag, const char *name, ctf_id_t ref)
 {
-	return (ctf_add_reftype(fp, flag, ref, CTF_K_RESTRICT));
+	return (ctf_add_reftype(fp, flag, name, ref, CTF_K_RESTRICT));
 }
 
 int
@@ -1039,7 +1365,8 @@ ctf_add_enumerator(ctf_file_t *fp, ctf_id_t enid, const char *name, int value)
 }
 
 int
-ctf_add_member(ctf_file_t *fp, ctf_id_t souid, const char *name, ctf_id_t type)
+ctf_add_member(ctf_file_t *fp, ctf_id_t souid, const char *name, ctf_id_t type,
+    ulong_t offset)
 {
 	ctf_dtdef_t *dtd = ctf_dtd_lookup(fp, souid);
 	ctf_dmdef_t *dmd;
@@ -1064,7 +1391,12 @@ ctf_add_member(ctf_file_t *fp, ctf_id_t souid, const char *name, ctf_id_t type)
 	if (vlen == CTF_MAX_VLEN)
 		return (ctf_set_errno(fp, ECTF_DTFULL));
 
-	if (name != NULL) {
+	/*
+	 * Structures may have members which are anonymous. If they have two of
+	 * these, then the duplicte member detection would find it due to the
+	 * string of "", so we skip it.
+	 */
+	if (name != NULL && *name != '\0') {
 		for (dmd = ctf_list_next(&dtd->dtd_u.dtu_members);
 		    dmd != NULL; dmd = ctf_list_next(dmd)) {
 			if (dmd->dmd_name != NULL &&
@@ -1092,29 +1424,36 @@ ctf_add_member(ctf_file_t *fp, ctf_id_t souid, const char *name, ctf_id_t type)
 	if (kind == CTF_K_STRUCT && vlen != 0) {
 		ctf_dmdef_t *lmd = ctf_list_prev(&dtd->dtd_u.dtu_members);
 		ctf_id_t ltype = ctf_type_resolve(fp, lmd->dmd_type);
-		size_t off = lmd->dmd_offset;
-
-		ctf_encoding_t linfo;
-		ssize_t lsize;
-
-		if (ctf_type_encoding(fp, ltype, &linfo) != CTF_ERR)
-			off += linfo.cte_bits;
-		else if ((lsize = ctf_type_size(fp, ltype)) != CTF_ERR)
-			off += lsize * NBBY;
-
-		/*
-		 * Round up the offset of the end of the last member to the
-		 * next byte boundary, convert 'off' to bytes, and then round
-		 * it up again to the next multiple of the alignment required
-		 * by the new member.  Finally, convert back to bits and store
-		 * the result in dmd_offset.  Technically we could do more
-		 * efficient packing if the new member is a bit-field, but
-		 * we're the "compiler" and ANSI says we can do as we choose.
-		 */
-		off = roundup(off, NBBY) / NBBY;
-		off = roundup(off, MAX(malign, 1));
-		dmd->dmd_offset = off * NBBY;
-		ssize = off + msize;
+		size_t off;
+
+		if (offset == ULONG_MAX) {
+			ctf_encoding_t linfo;
+			ssize_t lsize;
+
+			off = lmd->dmd_offset;
+			if (ctf_type_encoding(fp, ltype, &linfo) != CTF_ERR)
+				off += linfo.cte_bits;
+			else if ((lsize = ctf_type_size(fp, ltype)) != CTF_ERR)
+				off += lsize * NBBY;
+
+			/*
+			 * Round up the offset of the end of the last member to
+			 * the next byte boundary, convert 'off' to bytes, and
+			 * then round it up again to the next multiple of the
+			 * alignment required by the new member.  Finally,
+			 * convert back to bits and store the result in
+			 * dmd_offset.  Technically we could do more efficient
+			 * packing if the new member is a bit-field, but we're
+			 * the "compiler" and ANSI says we can do as we choose.
+			 */
+			off = roundup(off, NBBY) / NBBY;
+			off = roundup(off, MAX(malign, 1));
+			dmd->dmd_offset = off * NBBY;
+			ssize = off + msize;
+		} else {
+			dmd->dmd_offset = offset;
+			ssize = offset / NBBY + msize;
+		}
 	} else {
 		dmd->dmd_offset = 0;
 		ssize = ctf_get_ctt_size(fp, &dtd->dtd_data, NULL, NULL);
@@ -1380,7 +1719,7 @@ ctf_add_type(ctf_file_t *dst_fp, ctf_file_t *src_fp, ctf_id_t src_type)
 		if (src_type == CTF_ERR)
 			return (CTF_ERR); /* errno is set for us */
 
-		dst_type = ctf_add_reftype(dst_fp, flag, src_type, kind);
+		dst_type = ctf_add_reftype(dst_fp, flag, NULL, src_type, kind);
 		break;
 
 	case CTF_K_ARRAY:
@@ -1415,7 +1754,7 @@ ctf_add_type(ctf_file_t *dst_fp, ctf_file_t *src_fp, ctf_id_t src_type)
 		if (ctc.ctc_return == CTF_ERR)
 			return (CTF_ERR); /* errno is set for us */
 
-		dst_type = ctf_add_function(dst_fp, flag, &ctc, NULL);
+		dst_type = ctf_add_funcptr(dst_fp, flag, &ctc, NULL);
 		break;
 
 	case CTF_K_STRUCT:
@@ -1540,3 +1879,166 @@ ctf_add_type(ctf_file_t *dst_fp, ctf_file_t *src_fp, ctf_id_t src_type)
 
 	return (dst_type);
 }
+
+int
+ctf_add_function(ctf_file_t *fp, ulong_t idx, const ctf_funcinfo_t *fip,
+    const ctf_id_t *argc)
+{
+	int i;
+	ctf_dsdef_t *dsd;
+	ctf_file_t *afp;
+	uintptr_t symbase = (uintptr_t)fp->ctf_symtab.cts_data;
+
+	if (!(fp->ctf_flags & LCTF_RDWR))
+		return (ctf_set_errno(fp, ECTF_RDONLY));
+
+	if (ctf_dsd_lookup(fp, idx) != NULL)
+		return (ctf_set_errno(fp, ECTF_CONFLICT));
+
+	if (symbase == NULL)
+		return (ctf_set_errno(fp, ECTF_STRTAB));
+
+	if (idx > fp->ctf_nsyms)
+		return (ctf_set_errno(fp, ECTF_NOTDATA));
+
+	if (fp->ctf_symtab.cts_entsize == sizeof (Elf32_Sym)) {
+		const Elf32_Sym *symp = (Elf32_Sym *)symbase + idx;
+		if (ELF32_ST_TYPE(symp->st_info) != STT_FUNC)
+			return (ctf_set_errno(fp, ECTF_NOTFUNC));
+	} else {
+		const Elf64_Sym *symp = (Elf64_Sym *)symbase + idx;
+		if (ELF64_ST_TYPE(symp->st_info) != STT_FUNC)
+			return (ctf_set_errno(fp, ECTF_NOTFUNC));
+	}
+
+	afp = fp;
+	if (ctf_lookup_by_id(&afp, fip->ctc_return) == NULL)
+		return (CTF_ERR); /* errno is set for us */
+
+	for (i = 0; i < fip->ctc_argc; i++) {
+		afp = fp;
+		if (ctf_lookup_by_id(&afp, argc[i]) == NULL)
+			return (CTF_ERR); /* errno is set for us */
+	}
+
+	dsd = ctf_alloc(sizeof (ctf_dsdef_t));
+	if (dsd == NULL)
+		return (ctf_set_errno(fp, ENOMEM));
+	dsd->dts_nargs = fip->ctc_argc;
+	if (fip->ctc_flags & CTF_FUNC_VARARG)
+		dsd->dts_nargs++;
+	if (dsd->dts_nargs != 0) {
+		dsd->dts_argc = ctf_alloc(sizeof (ctf_id_t) * dsd->dts_nargs);
+		if (dsd->dts_argc == NULL) {
+			ctf_free(dsd, sizeof (ctf_dsdef_t));
+			return (ctf_set_errno(fp, ENOMEM));
+		}
+		bcopy(argc, dsd->dts_argc, sizeof (ctf_id_t) * fip->ctc_argc);
+		if (fip->ctc_flags & CTF_FUNC_VARARG)
+			dsd->dts_argc[fip->ctc_argc] = 0;
+	}
+	dsd->dts_symidx = idx;
+	dsd->dts_tid = fip->ctc_return;
+
+	ctf_dsd_insert(fp, dsd);
+	fp->ctf_flags |= LCTF_DIRTY;
+
+	return (0);
+}
+
+int
+ctf_add_object(ctf_file_t *fp, ulong_t idx, ctf_id_t type)
+{
+	ctf_dsdef_t *dsd;
+	ctf_file_t *afp;
+	uintptr_t symbase = (uintptr_t)fp->ctf_symtab.cts_data;
+
+	if (!(fp->ctf_flags & LCTF_RDWR))
+		return (ctf_set_errno(fp, ECTF_RDONLY));
+
+	if (!(fp->ctf_flags & LCTF_RDWR))
+		return (ctf_set_errno(fp, ECTF_RDONLY));
+
+	if (ctf_dsd_lookup(fp, idx) != NULL)
+		return (ctf_set_errno(fp, ECTF_CONFLICT));
+
+	if (symbase == NULL)
+		return (ctf_set_errno(fp, ECTF_STRTAB));
+
+	if (idx > fp->ctf_nsyms)
+		return (ctf_set_errno(fp, ECTF_NOTDATA));
+
+	if (fp->ctf_symtab.cts_entsize == sizeof (Elf32_Sym)) {
+		const Elf32_Sym *symp = (Elf32_Sym *)symbase + idx;
+		if (ELF32_ST_TYPE(symp->st_info) != STT_OBJECT)
+			return (ctf_set_errno(fp, ECTF_NOTDATA));
+	} else {
+		const Elf64_Sym *symp = (Elf64_Sym *)symbase + idx;
+		if (ELF64_ST_TYPE(symp->st_info) != STT_OBJECT)
+			return (ctf_set_errno(fp, ECTF_NOTDATA));
+	}
+
+	afp = fp;
+	if (ctf_lookup_by_id(&afp, type) == NULL)
+		return (CTF_ERR); /* errno is set for us */
+
+	dsd = ctf_alloc(sizeof (ctf_dsdef_t));
+	if (dsd == NULL)
+		return (ctf_set_errno(fp, ENOMEM));
+	dsd->dts_symidx = idx;
+	dsd->dts_tid = type;
+	dsd->dts_argc = NULL;
+
+	ctf_dsd_insert(fp, dsd);
+	fp->ctf_flags |= LCTF_DIRTY;
+
+	return (0);
+}
+
+void
+ctf_dataptr(ctf_file_t *fp, const void **addrp, size_t *sizep)
+{
+	if (addrp != NULL)
+		*addrp = fp->ctf_base;
+	if (sizep != NULL)
+		*sizep = fp->ctf_size;
+}
+
+int
+ctf_add_label(ctf_file_t *fp, const char *name, ctf_id_t type, uint_t position)
+{
+	ctf_file_t *fpd;
+	ctf_dldef_t *dld;
+
+	if (name == NULL)
+		return (ctf_set_errno(fp, EINVAL));
+
+	if (!(fp->ctf_flags & LCTF_RDWR))
+		return (ctf_set_errno(fp, ECTF_RDONLY));
+
+	fpd = fp;
+	if (type != 0 && ctf_lookup_by_id(&fpd, type) == NULL)
+		return (CTF_ERR); /* errno is set for us */
+
+	if (type != 0 && (fp->ctf_flags & LCTF_CHILD) &&
+	    CTF_TYPE_ISPARENT(type))
+		return (ctf_set_errno(fp, ECTF_NOPARENT));
+
+	if (ctf_dld_lookup(fp, name) != NULL)
+		return (ctf_set_errno(fp, ECTF_LABELEXISTS));
+
+	if ((dld = ctf_alloc(sizeof (ctf_dldef_t))) == NULL)
+		return (ctf_set_errno(fp, EAGAIN));
+
+	if ((dld->dld_name = ctf_strdup(name)) == NULL) {
+		ctf_free(dld, sizeof (ctf_dldef_t));
+		return (ctf_set_errno(fp, EAGAIN));
+	}
+
+	dld->dld_type = type;
+	fp->ctf_dtstrlen += strlen(name) + 1;
+	ctf_dld_insert(fp, dld, position);
+	fp->ctf_flags |= LCTF_DIRTY;
+
+	return (0);
+}
diff --git a/usr/src/common/ctf/ctf_error.c b/usr/src/common/ctf/ctf_error.c
index fe3d0de0cb..e2eb12e9dd 100644
--- a/usr/src/common/ctf/ctf_error.c
+++ b/usr/src/common/ctf/ctf_error.c
@@ -24,7 +24,7 @@
  * Use is subject to license terms.
  */
 /*
- * Copyright (c) 2012, Joyent, Inc.
+ * Copyright (c) 2015, Joyent, Inc.
  */
 
 #include <ctf_impl.h>
@@ -75,7 +75,12 @@ static const char *const _ctf_errlist[] = {
 	"Duplicate member name definition",		 /* ECTF_DUPMEMBER */
 	"Conflicting type is already defined",		 /* ECTF_CONFLICT */
 	"Type has outstanding references",		 /* ECTF_REFERENCED */
-	"Type is not a dynamic type"			 /* ECTF_NOTDYN */
+	"Type is not a dynamic type",			 /* ECTF_NOTDYN */
+	"Elf library failure",				 /* ECTF_ELF */
+	"Cannot merge child container",			 /* ECTF_MCHILD */
+	"Label already exists",				 /* ECTF_LABEL */
+	"Merged labels conflict",			 /* ECTF_LCONFLICT */
+	"Zlib library failure"				 /* ECTF_ZLIB */
 };
 
 static const int _ctf_nerr = sizeof (_ctf_errlist) / sizeof (_ctf_errlist[0]);
diff --git a/usr/src/common/ctf/ctf_hash.c b/usr/src/common/ctf/ctf_hash.c
index b10a7618f6..0c5a71a5ac 100644
--- a/usr/src/common/ctf/ctf_hash.c
+++ b/usr/src/common/ctf/ctf_hash.c
@@ -25,9 +25,8 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <ctf_impl.h>
+#include <sys/debug.h>
 
 static const ushort_t _CTF_EMPTY[1] = { 0 };
 
diff --git a/usr/src/common/ctf/ctf_impl.h b/usr/src/common/ctf/ctf_impl.h
index f56fa6a005..04b12418ae 100644
--- a/usr/src/common/ctf/ctf_impl.h
+++ b/usr/src/common/ctf/ctf_impl.h
@@ -25,7 +25,7 @@
  * Use is subject to license terms.
  */
 /*
- * Copyright (c) 2012, Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc.  All rights reserved.
  */
 
 #ifndef	_CTF_IMPL_H
@@ -41,6 +41,8 @@
 #include <sys/systm.h>
 #include <sys/cmn_err.h>
 #include <sys/varargs.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
 
 #define	isspace(c) \
 	((c) == ' ' || (c) == '\t' || (c) == '\n' || \
@@ -56,6 +58,7 @@
 #include <stdio.h>
 #include <limits.h>
 #include <ctype.h>
+#include <stddef.h>
 
 #endif	/* _KERNEL */
 
@@ -77,6 +80,10 @@ typedef struct ctf_hash {
 	uint_t h_free;		/* index of next free hash element */
 } ctf_hash_t;
 
+struct ctf_idhash_iter {
+	int cii_id;	/* Current iteration id */
+};
+
 typedef struct ctf_strs {
 	const char *cts_strs;	/* base address of string table */
 	size_t cts_len;		/* size of string table in bytes */
@@ -159,6 +166,20 @@ typedef struct ctf_dtdef {
 	} dtd_u;
 } ctf_dtdef_t;
 
+typedef struct ctf_dsdef {
+	ctf_list_t dts_list;	/* list forward/back pointers */
+	ulong_t dts_symidx;	/* symbol id */
+	ctf_id_t dts_tid;	/* type for obj, 0 if function */
+	uint_t dts_nargs;
+	ctf_id_t *dts_argc;	/* function argv */
+} ctf_dsdef_t;
+
+typedef struct ctf_dldef {
+	ctf_list_t dld_list;	/* list forward/back pointers */
+	char *dld_name;		/* name of the label */
+	ctf_id_t dld_type;	/* type ID associated with the label */
+} ctf_dldef_t;
+
 typedef struct ctf_bundle {
 	ctf_file_t *ctb_file;	/* CTF container handle */
 	ctf_id_t ctb_type;	/* CTF type identifier */
@@ -211,6 +232,9 @@ struct ctf_file {
 	ulong_t ctf_dtnextid;	/* next dynamic type id to assign */
 	ulong_t ctf_dtoldid;	/* oldest id that has been committed */
 	void *ctf_specific;	/* data for ctf_get/setspecific */
+	ctf_list_t ctf_dsdefs;	/* list of dynamic obj/func definitions */
+	ctf_list_t ctf_dldefs;	/* list of dynamic labels */
+	uint_t ctf_hflags;	/* original flags on the header */
 };
 
 #define	LCTF_INDEX_TO_TYPEPTR(fp, i) \
@@ -225,62 +249,15 @@ struct ctf_file {
 #define	LCTF_RDWR	0x0004	/* CTF container is writable */
 #define	LCTF_DIRTY	0x0008	/* CTF container has been modified */
 
-#define	ECTF_BASE	1000	/* base value for libctf errnos */
-
-enum {
-	ECTF_FMT = ECTF_BASE,	/* file is not in CTF or ELF format */
-	ECTF_ELFVERS,		/* ELF version is more recent than libctf */
-	ECTF_CTFVERS,		/* CTF version is more recent than libctf */
-	ECTF_ENDIAN,		/* data is different endian-ness than lib */
-	ECTF_SYMTAB,		/* symbol table uses invalid entry size */
-	ECTF_SYMBAD,		/* symbol table data buffer invalid */
-	ECTF_STRBAD,		/* string table data buffer invalid */
-	ECTF_CORRUPT,		/* file data corruption detected */
-	ECTF_NOCTFDATA,		/* ELF file does not contain CTF data */
-	ECTF_NOCTFBUF,		/* buffer does not contain CTF data */
-	ECTF_NOSYMTAB,		/* symbol table data is not available */
-	ECTF_NOPARENT,		/* parent CTF container is not available */
-	ECTF_DMODEL,		/* data model mismatch */
-	ECTF_MMAP,		/* failed to mmap a data section */
-	ECTF_ZMISSING,		/* decompression library not installed */
-	ECTF_ZINIT,		/* failed to initialize decompression library */
-	ECTF_ZALLOC,		/* failed to allocate decompression buffer */
-	ECTF_DECOMPRESS,	/* failed to decompress CTF data */
-	ECTF_STRTAB,		/* string table for this string is missing */
-	ECTF_BADNAME,		/* string offset is corrupt w.r.t. strtab */
-	ECTF_BADID,		/* invalid type ID number */
-	ECTF_NOTSOU,		/* type is not a struct or union */
-	ECTF_NOTENUM,		/* type is not an enum */
-	ECTF_NOTSUE,		/* type is not a struct, union, or enum */
-	ECTF_NOTINTFP,		/* type is not an integer or float */
-	ECTF_NOTARRAY,		/* type is not an array */
-	ECTF_NOTREF,		/* type does not reference another type */
-	ECTF_NAMELEN,		/* buffer is too small to hold type name */
-	ECTF_NOTYPE,		/* no type found corresponding to name */
-	ECTF_SYNTAX,		/* syntax error in type name */
-	ECTF_NOTFUNC,		/* symtab entry does not refer to a function */
-	ECTF_NOFUNCDAT,		/* no func info available for function */
-	ECTF_NOTDATA,		/* symtab entry does not refer to a data obj */
-	ECTF_NOTYPEDAT,		/* no type info available for object */
-	ECTF_NOLABEL,		/* no label found corresponding to name */
-	ECTF_NOLABELDATA,	/* file does not contain any labels */
-	ECTF_NOTSUP,		/* feature not supported */
-	ECTF_NOENUMNAM,		/* enum element name not found */
-	ECTF_NOMEMBNAM,		/* member name not found */
-	ECTF_RDONLY,		/* CTF container is read-only */
-	ECTF_DTFULL,		/* CTF type is full (no more members allowed) */
-	ECTF_FULL,		/* CTF container is full */
-	ECTF_DUPMEMBER,		/* duplicate member name definition */
-	ECTF_CONFLICT,		/* conflicting type definition present */
-	ECTF_REFERENCED,	/* type has outstanding references */
-	ECTF_NOTDYN		/* type is not a dynamic type */
-};
+#define	CTF_ELF_SCN_NAME	".SUNW_ctf"
 
 extern ssize_t ctf_get_ctt_size(const ctf_file_t *, const ctf_type_t *,
     ssize_t *, ssize_t *);
 
 extern const ctf_type_t *ctf_lookup_by_id(ctf_file_t **, ctf_id_t);
 
+extern ctf_file_t *ctf_fdcreate_int(int, int *, ctf_sect_t *);
+
 extern int ctf_hash_create(ctf_hash_t *, ulong_t);
 extern int ctf_hash_insert(ctf_hash_t *, ctf_file_t *, ushort_t, uint_t);
 extern int ctf_hash_define(ctf_hash_t *, ctf_file_t *, ushort_t, uint_t);
@@ -294,12 +271,16 @@ extern void ctf_hash_destroy(ctf_hash_t *);
 
 extern void ctf_list_append(ctf_list_t *, void *);
 extern void ctf_list_prepend(ctf_list_t *, void *);
+extern void ctf_list_insert_before(ctf_list_t *, void *, void *);
 extern void ctf_list_delete(ctf_list_t *, void *);
 
 extern void ctf_dtd_insert(ctf_file_t *, ctf_dtdef_t *);
 extern void ctf_dtd_delete(ctf_file_t *, ctf_dtdef_t *);
 extern ctf_dtdef_t *ctf_dtd_lookup(ctf_file_t *, ctf_id_t);
 
+extern void ctf_dsd_delete(ctf_file_t *, ctf_dsdef_t *);
+extern void ctf_dld_delete(ctf_file_t *, ctf_dldef_t *);
+
 extern void ctf_decl_init(ctf_decl_t *, char *, size_t);
 extern void ctf_decl_fini(ctf_decl_t *);
 extern void ctf_decl_push(ctf_decl_t *, ctf_file_t *, ctf_id_t);
@@ -327,6 +308,13 @@ extern void ctf_dprintf(const char *, ...);
 
 extern void *ctf_zopen(int *);
 
+extern ctf_id_t ctf_add_encoded(ctf_file_t *, uint_t, const char *,
+    const ctf_encoding_t *, uint_t);
+extern ctf_id_t ctf_add_reftype(ctf_file_t *, uint_t, const char *, ctf_id_t,
+    uint_t);
+extern boolean_t ctf_sym_valid(uintptr_t, int, uint16_t, uint64_t,
+    uint32_t);
+
 extern const char _CTF_SECTION[];	/* name of CTF ELF section */
 extern const char _CTF_NULLSTR[];	/* empty string */
 
diff --git a/usr/src/common/ctf/ctf_open.c b/usr/src/common/ctf/ctf_open.c
index 001cf5c591..82b396e825 100644
--- a/usr/src/common/ctf/ctf_open.c
+++ b/usr/src/common/ctf/ctf_open.c
@@ -25,7 +25,7 @@
  * Use is subject to license terms.
  */
 /*
- * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc.  All rights reserved.
  */
 
 #include <ctf_impl.h>
@@ -550,6 +550,7 @@ ctf_bufopen(const ctf_sect_t *ctfsect, const ctf_sect_t *symsect,
 	void *buf, *base;
 	size_t size, hdrsz;
 	int err;
+	uint_t hflags;
 
 	if (ctfsect == NULL || ((symsect == NULL) != (strsect == NULL)))
 		return (ctf_set_open_errno(errp, EINVAL));
@@ -631,6 +632,7 @@ ctf_bufopen(const ctf_sect_t *ctfsect, const ctf_sect_t *symsect,
 	 * the CTF data buffer if it is compressed.  Otherwise we just put
 	 * the data section's buffer pointer into ctf_buf, below.
 	 */
+	hflags = hp.cth_flags;
 	if (hp.cth_flags & CTF_F_COMPRESS) {
 		size_t srclen, dstlen;
 		const void *src;
@@ -680,6 +682,7 @@ ctf_bufopen(const ctf_sect_t *ctfsect, const ctf_sect_t *symsect,
 	bzero(fp, sizeof (ctf_file_t));
 	fp->ctf_version = hp.cth_version;
 	fp->ctf_fileops = &ctf_fileops[hp.cth_version];
+	fp->ctf_hflags = hflags;
 	bcopy(ctfsect, &fp->ctf_data, sizeof (ctf_sect_t));
 
 	if (symsect != NULL) {
@@ -883,6 +886,8 @@ void
 ctf_close(ctf_file_t *fp)
 {
 	ctf_dtdef_t *dtd, *ntd;
+	ctf_dsdef_t *dsd, *nsd;
+	ctf_dldef_t *dld, *nld;
 
 	if (fp == NULL)
 		return; /* allow ctf_close(NULL) to simplify caller code */
@@ -906,10 +911,25 @@ ctf_close(ctf_file_t *fp)
 		ctf_dtd_delete(fp, dtd);
 	}
 
+	for (dsd = ctf_list_prev(&fp->ctf_dsdefs); dsd != NULL; dsd = nsd) {
+		nsd = ctf_list_prev(dsd);
+		ctf_dsd_delete(fp, dsd);
+	}
+
+	for (dld = ctf_list_prev(&fp->ctf_dldefs); dld != NULL; dld = nld) {
+		nld = ctf_list_prev(dld);
+		ctf_dld_delete(fp, dld);
+	}
+
 	ctf_free(fp->ctf_dthash, fp->ctf_dthashlen * sizeof (ctf_dtdef_t *));
 
 	if (fp->ctf_flags & LCTF_MMAP) {
-		if (fp->ctf_data.cts_data != NULL)
+		/*
+		 * Writeable containers shouldn't necessairily have the CTF
+		 * section freed.
+		 */
+		if (fp->ctf_data.cts_data != NULL &&
+		    !(fp->ctf_flags & LCTF_RDWR))
 			ctf_sect_munmap(&fp->ctf_data);
 		if (fp->ctf_symtab.cts_data != NULL)
 			ctf_sect_munmap(&fp->ctf_symtab);
@@ -980,6 +1000,16 @@ ctf_parent_name(ctf_file_t *fp)
 }
 
 /*
+ * Return the label of the parent CTF container, if one exists. Otherwise return
+ * NULL.
+ */
+const char *
+ctf_parent_label(ctf_file_t *fp)
+{
+	return (fp->ctf_parlabel);
+}
+
+/*
  * Import the types from the specified parent container by storing a pointer
  * to it in ctf_parent and incrementing its reference count.  Only one parent
  * is allowed: if a parent already exists, it is replaced by the new parent.
@@ -1043,3 +1073,9 @@ ctf_getspecific(ctf_file_t *fp)
 {
 	return (fp->ctf_specific);
 }
+
+uint_t
+ctf_flags(ctf_file_t *fp)
+{
+	return (fp->ctf_hflags);
+}
diff --git a/usr/src/common/ctf/ctf_types.c b/usr/src/common/ctf/ctf_types.c
index ab1b9ff14b..b5dbb260a3 100644
--- a/usr/src/common/ctf/ctf_types.c
+++ b/usr/src/common/ctf/ctf_types.c
@@ -24,8 +24,12 @@
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
+/*
+ * Copyright (c) 2015, Joyent, Inc.
+ */
 
 #include <ctf_impl.h>
+#include <sys/debug.h>
 
 ssize_t
 ctf_get_ctt_size(const ctf_file_t *fp, const ctf_type_t *tp, ssize_t *sizep,
@@ -138,19 +142,21 @@ ctf_enum_iter(ctf_file_t *fp, ctf_id_t type, ctf_enum_f *func, void *arg)
 }
 
 /*
- * Iterate over every root (user-visible) type in the given CTF container.
- * We pass the type ID of each type to the specified callback function.
+ * Iterate over every type in the given CTF container. If the user doesn't ask
+ * for all types, then we only give them the user visible, aka root, types.  We
+ * pass the type ID of each type to the specified callback function.
  */
 int
-ctf_type_iter(ctf_file_t *fp, ctf_type_f *func, void *arg)
+ctf_type_iter(ctf_file_t *fp, boolean_t nonroot, ctf_type_f *func, void *arg)
 {
 	ctf_id_t id, max = fp->ctf_typemax;
 	int rc, child = (fp->ctf_flags & LCTF_CHILD);
 
 	for (id = 1; id <= max; id++) {
 		const ctf_type_t *tp = LCTF_INDEX_TO_TYPEPTR(fp, id);
-		if (CTF_INFO_ISROOT(tp->ctt_info) &&
-		    (rc = func(CTF_INDEX_TO_TYPE(id, child), arg)) != 0)
+		if ((nonroot || CTF_INFO_ISROOT(tp->ctt_info)) &&
+		    (rc = func(CTF_INDEX_TO_TYPE(id, child),
+		    CTF_INFO_ISROOT(tp->ctt_info),  arg)) != 0)
 			return (rc);
 	}
 
@@ -380,7 +386,22 @@ ctf_type_size(ctf_file_t *fp, ctf_id_t type)
 			return (-1); /* errno is set for us */
 
 		return (size * ar.ctr_nelems);
-
+	case CTF_K_STRUCT:
+	case CTF_K_UNION:
+		/*
+		 * If we have a zero size, we may be in the process of adding a
+		 * structure or union but having not called ctf_update() to deal
+		 * with the circular dependencies in such structures and unions.
+		 * To handle that case, if we get a size of zero from the ctt,
+		 * we look up the dtdef and use its size instead.
+		 */
+		size = ctf_get_ctt_size(fp, tp, NULL, NULL);
+		if (size == 0) {
+			ctf_dtdef_t *dtd = ctf_dtd_lookup(fp, type);
+			if (dtd != NULL)
+				return (dtd->dtd_data.ctt_size);
+		}
+		return (size);
 	default:
 		return (ctf_get_ctt_size(fp, tp, NULL, NULL));
 	}
@@ -868,3 +889,256 @@ ctf_type_visit(ctf_file_t *fp, ctf_id_t type, ctf_visit_f *func, void *arg)
 {
 	return (ctf_type_rvisit(fp, type, func, arg, "", 0, 0));
 }
+
+int
+ctf_func_info_by_id(ctf_file_t *fp, ctf_id_t type, ctf_funcinfo_t *fip)
+{
+	ctf_file_t *ofp = fp;
+	const ctf_type_t *tp;
+	const ushort_t *dp;
+	int nargs;
+	ssize_t increment;
+
+	if ((tp = ctf_lookup_by_id(&fp, type)) == NULL)
+		return (CTF_ERR); /* errno is set for us */
+
+	if (LCTF_INFO_KIND(fp, tp->ctt_info) != CTF_K_FUNCTION)
+		return (ctf_set_errno(ofp, ECTF_NOTFUNC));
+
+	fip->ctc_return = tp->ctt_type;
+	nargs = LCTF_INFO_VLEN(fp, tp->ctt_info);
+	fip->ctc_argc = nargs;
+	fip->ctc_flags = 0;
+
+	/* dp should now point to the first argument */
+	if (nargs != 0) {
+		(void) ctf_get_ctt_size(fp, tp, NULL, &increment);
+		dp = (ushort_t *)((uintptr_t)fp->ctf_buf +
+		    fp->ctf_txlate[CTF_TYPE_TO_INDEX(type)] + increment);
+		if (dp[nargs - 1] == 0) {
+			fip->ctc_flags |= CTF_FUNC_VARARG;
+			fip->ctc_argc--;
+		}
+	}
+
+	return (0);
+}
+
+int
+ctf_func_args_by_id(ctf_file_t *fp, ctf_id_t type, uint_t argc, ctf_id_t *argv)
+{
+	ctf_file_t *ofp = fp;
+	const ctf_type_t *tp;
+	const ushort_t *dp;
+	int nargs;
+	ssize_t increment;
+
+	if ((tp = ctf_lookup_by_id(&fp, type)) == NULL)
+		return (CTF_ERR); /* errno is set for us */
+
+	if (LCTF_INFO_KIND(fp, tp->ctt_info) != CTF_K_FUNCTION)
+		return (ctf_set_errno(ofp, ECTF_NOTFUNC));
+
+	nargs = LCTF_INFO_VLEN(fp, tp->ctt_info);
+	(void) ctf_get_ctt_size(fp, tp, NULL, &increment);
+	dp = (ushort_t *)((uintptr_t)fp->ctf_buf +
+	    fp->ctf_txlate[CTF_TYPE_TO_INDEX(type)] +
+	    increment);
+	if (nargs != 0 && dp[nargs - 1] == 0)
+		nargs--;
+
+	for (nargs = MIN(argc, nargs); nargs != 0; nargs--)
+		*argv++ = *dp++;
+
+	return (0);
+}
+
+int
+ctf_object_iter(ctf_file_t *fp, ctf_object_f *func, void *arg)
+{
+	int i, ret;
+	ctf_id_t id;
+	uintptr_t symbase = (uintptr_t)fp->ctf_symtab.cts_data;
+	uintptr_t strbase = (uintptr_t)fp->ctf_strtab.cts_data;
+
+	if (fp->ctf_symtab.cts_data == NULL)
+		return (ctf_set_errno(fp, ECTF_NOSYMTAB));
+
+	for (i = 0; i < fp->ctf_nsyms; i++) {
+		char *name;
+		if (fp->ctf_sxlate[i] == -1u)
+			continue;
+		id = *(ushort_t *)((uintptr_t)fp->ctf_buf +
+		    fp->ctf_sxlate[i]);
+
+		/*
+		 * Validate whether or not we're looking at a data object as
+		 * oposed to a function.
+		 */
+		if (fp->ctf_symtab.cts_entsize == sizeof (Elf32_Sym)) {
+			const Elf32_Sym *symp = (Elf32_Sym *)symbase + i;
+			if (ELF32_ST_TYPE(symp->st_info) != STT_OBJECT)
+				continue;
+			if (fp->ctf_strtab.cts_data != NULL &&
+			    symp->st_name != 0)
+				name = (char *)(strbase + symp->st_name);
+			else
+				name = NULL;
+		} else {
+			const Elf64_Sym *symp = (Elf64_Sym *)symbase + i;
+			if (ELF64_ST_TYPE(symp->st_info) != STT_OBJECT)
+				continue;
+			if (fp->ctf_strtab.cts_data != NULL &&
+			    symp->st_name != 0)
+				name = (char *)(strbase + symp->st_name);
+			else
+				name = NULL;
+		}
+
+		if ((ret = func(name, id, i, arg)) != 0)
+			return (ret);
+	}
+
+	return (0);
+}
+
+int
+ctf_function_iter(ctf_file_t *fp, ctf_function_f *func, void *arg)
+{
+	int i, ret;
+	uintptr_t symbase = (uintptr_t)fp->ctf_symtab.cts_data;
+	uintptr_t strbase = (uintptr_t)fp->ctf_strtab.cts_data;
+
+	if (fp->ctf_symtab.cts_data == NULL)
+		return (ctf_set_errno(fp, ECTF_NOSYMTAB));
+
+	for (i = 0; i < fp->ctf_nsyms; i++) {
+		char *name;
+		ushort_t info, *dp;
+		ctf_funcinfo_t fi;
+		if (fp->ctf_sxlate[i] == -1u)
+			continue;
+
+		dp = (ushort_t *)((uintptr_t)fp->ctf_buf +
+		    fp->ctf_sxlate[i]);
+		info = *dp;
+		if (info == 0)
+			continue;
+
+		/*
+		 * This may be a function or it may be a data object. We have to
+		 * consult the symbol table to be certain. Functions are encoded
+		 * with their info, data objects with their actual type.
+		 */
+		if (fp->ctf_symtab.cts_entsize == sizeof (Elf32_Sym)) {
+			const Elf32_Sym *symp = (Elf32_Sym *)symbase + i;
+			if (ELF32_ST_TYPE(symp->st_info) != STT_FUNC)
+				continue;
+			if (fp->ctf_strtab.cts_data != NULL)
+				name = (char *)(strbase + symp->st_name);
+			else
+				name = NULL;
+		} else {
+			const Elf64_Sym *symp = (Elf64_Sym *)symbase + i;
+			if (ELF64_ST_TYPE(symp->st_info) != STT_FUNC)
+				continue;
+			if (fp->ctf_strtab.cts_data != NULL)
+				name = (char *)(strbase + symp->st_name);
+			else
+				name = NULL;
+		}
+
+		if (LCTF_INFO_KIND(fp, info) != CTF_K_FUNCTION)
+			continue;
+		dp++;
+		fi.ctc_return = *dp;
+		dp++;
+		fi.ctc_argc = LCTF_INFO_VLEN(fp, info);
+		fi.ctc_flags = 0;
+
+		if (fi.ctc_argc != 0 && dp[fi.ctc_argc - 1] == 0) {
+			fi.ctc_flags |= CTF_FUNC_VARARG;
+			fi.ctc_argc--;
+		}
+
+		if ((ret = func(name, i, &fi, arg)) != 0)
+			return (ret);
+
+	}
+
+	return (0);
+}
+
+char *
+ctf_symbol_name(ctf_file_t *fp, ulong_t idx, char *buf, size_t len)
+{
+	const char *name;
+	uintptr_t symbase = (uintptr_t)fp->ctf_symtab.cts_data;
+	uintptr_t strbase = (uintptr_t)fp->ctf_strtab.cts_data;
+
+	if (fp->ctf_symtab.cts_data == NULL) {
+		(void) ctf_set_errno(fp, ECTF_NOSYMTAB);
+		return (NULL);
+	}
+
+	if (fp->ctf_strtab.cts_data == NULL) {
+		(void) ctf_set_errno(fp, ECTF_STRTAB);
+		return (NULL);
+	}
+
+	if (idx > fp->ctf_nsyms) {
+		(void) ctf_set_errno(fp, ECTF_NOTDATA);
+		return (NULL);
+	}
+
+	if (fp->ctf_symtab.cts_entsize == sizeof (Elf32_Sym)) {
+		const Elf32_Sym *symp = (Elf32_Sym *)symbase + idx;
+		if (ELF32_ST_TYPE(symp->st_info) != STT_OBJECT &&
+		    ELF32_ST_TYPE(symp->st_info) != STT_FUNC) {
+			(void) ctf_set_errno(fp, ECTF_NOTDATA);
+			return (NULL);
+		}
+		if (symp->st_name == 0) {
+			(void) ctf_set_errno(fp, ENOENT);
+			return (NULL);
+		}
+		name = (const char *)(strbase + symp->st_name);
+	} else {
+		const Elf64_Sym *symp = (Elf64_Sym *)symbase + idx;
+		if (ELF64_ST_TYPE(symp->st_info) != STT_FUNC &&
+		    ELF64_ST_TYPE(symp->st_info) != STT_OBJECT) {
+			(void) ctf_set_errno(fp, ECTF_NOTDATA);
+			return (NULL);
+		}
+		if (symp->st_name == 0) {
+			(void) ctf_set_errno(fp, ENOENT);
+			return (NULL);
+		}
+		name = (const char *)(strbase + symp->st_name);
+	}
+
+	(void) strlcpy(buf, name, len);
+
+	return (buf);
+}
+
+int
+ctf_string_iter(ctf_file_t *fp, ctf_string_f *func, void *arg)
+{
+	int rc;
+	const char *strp = fp->ctf_str[CTF_STRTAB_0].cts_strs;
+	size_t strl = fp->ctf_str[CTF_STRTAB_0].cts_len;
+
+	while (strl > 0) {
+		size_t len;
+
+		if ((rc = func(strp, arg)) != 0)
+			return (rc);
+
+		len = strlen(strp) + 1;
+		strl -= len;
+		strp += len;
+	}
+
+	return (0);
+}
diff --git a/usr/src/common/ctf/ctf_util.c b/usr/src/common/ctf/ctf_util.c
index 740d403e8c..550195b5e1 100644
--- a/usr/src/common/ctf/ctf_util.c
+++ b/usr/src/common/ctf/ctf_util.c
@@ -23,10 +23,12 @@
  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * Copyright (c) 2015, Joyent, Inc.
+ */
 
 #include <ctf_impl.h>
+#include <sys/debug.h>
 
 /*
  * Simple doubly-linked list append routine.  This implementation assumes that
@@ -71,6 +73,24 @@ ctf_list_prepend(ctf_list_t *lp, void *new)
 		lp->l_prev = p;
 }
 
+void
+ctf_list_insert_before(ctf_list_t *head, void *item, void *nitem)
+{
+	ctf_list_t *lp = item;
+	ctf_list_t *new = nitem;
+	ctf_list_t *prev = lp->l_prev;
+
+	lp->l_prev = new;
+	new->l_next = lp;
+	new->l_prev = prev;
+	if (prev != NULL) {
+		prev->l_next = new;
+	} else {
+		ASSERT(head->l_next == lp);
+		head->l_next = new;
+	}
+}
+
 /*
  * Delete the specified existing element from the given ctf_list_t.  The
  * existing pointer should be pointing at a struct with embedded ctf_list_t.
@@ -150,3 +170,22 @@ ctf_set_errno(ctf_file_t *fp, int err)
 	fp->ctf_errno = err;
 	return (CTF_ERR);
 }
+
+boolean_t
+ctf_sym_valid(uintptr_t strbase, int type, uint16_t shndx, uint64_t val,
+    uint32_t noff)
+{
+	const char *name;
+
+	if (type != STT_OBJECT && type != STT_FUNC)
+		return (B_FALSE);
+	if (shndx == SHN_UNDEF || noff == 0)
+		return (B_FALSE);
+	if (type == STT_OBJECT && shndx == SHN_ABS && val == 0)
+		return (B_FALSE);
+	name = (char *)(strbase + noff);
+	if (strcmp(name, "_START_") == 0 || strcmp(name, "_END_") == 0)
+		return (B_FALSE);
+
+	return (B_TRUE);
+}
diff --git a/usr/src/common/fs/bootfsops.c b/usr/src/common/fs/bootfsops.c
new file mode 100644
index 0000000000..5a693b80e5
--- /dev/null
+++ b/usr/src/common/fs/bootfsops.c
@@ -0,0 +1,329 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2013 Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/bootconf.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/vnode.h>
+#include <sys/fs/ufs_fsdir.h>
+#include <sys/fs/ufs_fs.h>
+#include <sys/fs/ufs_inode.h>
+#include <sys/sysmacros.h>
+#include <sys/bootvfs.h>
+#include <sys/bootinfo.h>
+#include <sys/filep.h>
+
+#ifdef	_BOOT
+#include "../common/util.h"
+#else
+#include <sys/sunddi.h>
+#endif
+
+#define	MAX_FILES	MAX_BOOT_MODULES
+#define	MAX_FDS		256
+
+extern void *bkmem_alloc(size_t);
+extern void bkmem_free(void *, size_t);
+
+/*
+ * TODO: Replace these declarations with inclusion of the ordinary userland
+ * bootfs headers once they're available.
+ */
+typedef struct bfile {
+	char bf_name[MAXPATHLEN];
+	caddr_t bf_addr;
+	size_t bf_size;
+	struct bfile *bf_next;
+	uint64_t bf_ino;
+} bfile_t;
+
+typedef struct bf_fd {
+	bfile_t *fd_file;
+	off_t fd_pos;
+} bf_fd_t;
+
+static bfile_t *head;
+static uint_t init_done;
+static bf_fd_t fds[MAX_FDS];
+
+static char cpath[MAXPATHLEN];	/* For canonicalising filenames */
+
+static void bbootfs_closeall(int);
+
+static void
+canonicalise(const char *fn, char *out)
+{
+	const char *p;
+	char *q, *s;
+	char *last;
+	char *oc;
+	int is_slash = 0;
+	static char scratch[MAXPATHLEN];
+
+	if (fn == NULL) {
+		*out = '\0';
+		return;
+	}
+
+	/*
+	 * Remove leading slashes and condense all multiple slashes into one.
+	 */
+	p = fn;
+	while (*p == '/')
+		++p;
+
+	for (q = scratch; *p != '\0'; p++) {
+		if (*p == '/' && !is_slash) {
+			*q++ = '/';
+			is_slash = 1;
+		} else if (*p != '/') {
+			*q++ = *p;
+			is_slash = 0;
+		}
+	}
+	*q = '\0';
+
+	if (strncmp(scratch, "system/boot/", 12) == 0 ||
+	    strcmp(scratch, "system/boot") == 0) {
+		s = scratch + 12;
+	} else {
+		s = scratch;
+	}
+
+	for (last = strsep(&s, "/"), q = oc = out; last != NULL;
+	    last = strsep(&s, "/")) {
+		if (strcmp(last, ".") == 0)
+			continue;
+		if (strcmp(last, "..") == 0) {
+			for (oc = q; oc > out && *oc != '/'; oc--)
+				;
+			q = oc;
+			continue;
+		}
+		if (q > out)
+			*q++ = '/';
+		q += snprintf(q, MAXPATHLEN - (q - out), "%s", last);
+	}
+
+	*q = '\0';
+}
+
+/* ARGSUSED */
+static int
+bbootfs_mountroot(char *str)
+{
+	return (-1);
+}
+
+static int
+bbootfs_unmountroot(void)
+{
+	return (-1);
+}
+
+static int
+bbootfs_init(void)
+{
+	bfile_t *fp;
+	char propname[32];
+	uint64_t propval;
+	uint_t i;
+
+	for (i = 0; i < MAX_FILES; i++) {
+		(void) snprintf(propname, sizeof (propname),
+		    "module-name-%u", i);
+		if (do_bsys_getproplen(NULL, propname) < 0)
+			break;
+
+		if ((fp = bkmem_alloc(sizeof (bfile_t))) == NULL) {
+			bbootfs_closeall(1);
+			return (-1);
+		}
+
+		(void) do_bsys_getprop(NULL, propname, cpath);
+		canonicalise(cpath, fp->bf_name);
+
+		(void) snprintf(propname, sizeof (propname),
+		    "module-addr-%u", i);
+		if (do_bsys_getproplen(NULL, propname) != sizeof (uint64_t)) {
+			bkmem_free(fp, sizeof (bfile_t));
+			continue;
+		}
+		(void) do_bsys_getprop(NULL, propname, &propval);
+		fp->bf_addr = (void *)(uintptr_t)propval;
+
+		(void) snprintf(propname, sizeof (propname),
+		    "module-size-%u", i);
+		if (do_bsys_getproplen(NULL, propname) != sizeof (uint64_t)) {
+			bkmem_free(fp, sizeof (bfile_t));
+			continue;
+		}
+		(void) do_bsys_getprop(NULL, propname, &propval);
+		fp->bf_size = (size_t)propval;
+		fp->bf_ino = i;
+
+		fp->bf_next = head;
+		head = fp;
+	}
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+bbootfs_open(char *fn, int flags)
+{
+	uint_t i;
+	bfile_t *fp;
+
+	if (!init_done) {
+		if (bbootfs_init() != 0)
+			return (-1);
+
+		init_done = 1;
+	}
+
+	canonicalise(fn, cpath);
+
+	for (fp = head; fp != NULL; fp = fp->bf_next) {
+		if (strcmp(fp->bf_name, cpath) == 0)
+			break;
+	}
+
+	if (fp == NULL)
+		return (-1);
+
+	for (i = 0; i < MAX_FDS; i++) {
+		if (fds[i].fd_file == NULL) {
+			fds[i].fd_file = fp;
+			fds[i].fd_pos = 0;
+			return (i);
+		}
+	}
+
+	return (-1);
+}
+
+static int
+bbootfs_close(int fd)
+{
+	if (fds[fd].fd_file == NULL)
+		return (-1);
+
+	fds[fd].fd_file = NULL;
+	fds[fd].fd_pos = 0;
+
+	return (0);
+}
+
+static ssize_t
+bbootfs_read(int fd, caddr_t buf, size_t size)
+{
+	ssize_t len;
+	bf_fd_t *fdp = &fds[fd];
+
+	if (fdp->fd_file == NULL)
+		return (-1);
+
+	if (fdp->fd_pos >= fdp->fd_file->bf_size)
+		return (-1);
+
+	if (fdp->fd_pos + size > fdp->fd_file->bf_size)
+		len = fdp->fd_file->bf_size - fdp->fd_pos;
+	else
+		len = size;
+
+	bcopy(fdp->fd_file->bf_addr + fdp->fd_pos, buf, len);
+
+	fdp->fd_pos += len;
+
+	return (len);
+}
+
+static off_t
+bbootfs_lseek(int fd, off_t addr, int whence)
+{
+	bf_fd_t *fdp = &fds[fd];
+
+	if (fdp->fd_file == NULL)
+		return (-1);
+
+	switch (whence) {
+	case SEEK_CUR:
+		fdp->fd_pos += addr;
+		break;
+	case SEEK_SET:
+		fdp->fd_pos = addr;
+		break;
+	case SEEK_END:
+		fdp->fd_pos = fdp->fd_file->bf_size;
+		break;
+	default:
+		return (-1);
+	}
+
+	return (0);
+}
+
+static int
+bbootfs_fstat(int fd, struct bootstat *bsp)
+{
+	bf_fd_t *fdp = &fds[fd];
+
+	if (fdp->fd_file == NULL)
+		return (-1);
+
+	bsp->st_dev = 1;
+	bsp->st_ino = fdp->fd_file->bf_ino;
+	bsp->st_mode = 0444;
+	bsp->st_nlink = 1;
+	bsp->st_uid = bsp->st_gid = 0;
+	bsp->st_rdev = 0;
+	bsp->st_size = fdp->fd_file->bf_size;
+	bsp->st_blksize = 1;
+	bsp->st_blocks = fdp->fd_file->bf_size;
+	(void) strcpy(bsp->st_fstype, "bootfs");
+
+	return (0);
+}
+
+/* ARGSUSED */
+static void
+bbootfs_closeall(int flag)
+{
+	bfile_t *fp;
+
+	while (head != NULL) {
+		fp = head;
+		head = head->bf_next;
+
+		bkmem_free(fp, sizeof (bfile_t));
+	}
+
+	init_done = 0;
+}
+
+struct boot_fs_ops bbootfs_ops = {
+	"bootfs",
+	bbootfs_mountroot,
+	bbootfs_unmountroot,
+	bbootfs_open,
+	bbootfs_close,
+	bbootfs_read,
+	bbootfs_lseek,
+	bbootfs_fstat,
+	bbootfs_closeall,
+	NULL
+};
diff --git a/usr/src/uts/common/os/id_space.c b/usr/src/common/idspace/id_space.c
index 2dad0cb940..7d28a8f533 100644
--- a/usr/src/uts/common/os/id_space.c
+++ b/usr/src/common/idspace/id_space.c
@@ -53,6 +53,10 @@
  *   reservation, in which an ID is allocated but placed in a internal
  *   dictionary for later use, should be added when a consuming subsystem
  *   arrives.)
+ *
+ *   This code is also shared with userland. In userland, we don't have the same
+ *   ability to have sleeping variants, so we effectively turn the normal
+ *   versions without _nosleep into _nosleep.
  */
 
 #define	ID_TO_ADDR(id) ((void *)(uintptr_t)(id + 1))
@@ -60,16 +64,22 @@
 
 /*
  * Create an arena to represent the range [low, high).
- * Caller must be in a context in which VM_SLEEP is legal.
+ * Caller must be in a context in which VM_SLEEP is legal,
+ * for the kernel. Always VM_NOSLEEP in userland.
  */
 id_space_t *
 id_space_create(const char *name, id_t low, id_t high)
 {
+#ifdef _KERNEL
+	int flag = VM_SLEEP;
+#else
+	int flag = VM_NOSLEEP;
+#endif
 	ASSERT(low >= 0);
 	ASSERT(low < high);
 
 	return (vmem_create(name, ID_TO_ADDR(low), high - low, 1,
-	    NULL, NULL, NULL, 0, VM_SLEEP | VMC_IDENTIFIER));
+	    NULL, NULL, NULL, 0, flag | VMC_IDENTIFIER));
 }
 
 /*
@@ -85,7 +95,12 @@ id_space_destroy(id_space_t *isp)
 void
 id_space_extend(id_space_t *isp, id_t low, id_t high)
 {
-	(void) vmem_add(isp, ID_TO_ADDR(low), high - low, VM_SLEEP);
+#ifdef _KERNEL
+	int flag = VM_SLEEP;
+#else
+	int flag = VM_NOSLEEP;
+#endif
+	(void) vmem_add(isp, ID_TO_ADDR(low), high - low, flag);
 }
 
 /*
@@ -95,7 +110,12 @@ id_space_extend(id_space_t *isp, id_t low, id_t high)
 id_t
 id_alloc(id_space_t *isp)
 {
-	return (ADDR_TO_ID(vmem_alloc(isp, 1, VM_SLEEP | VM_NEXTFIT)));
+#ifdef _KERNEL
+	int flag = VM_SLEEP;
+#else
+	int flag = VM_NOSLEEP;
+#endif
+	return (ADDR_TO_ID(vmem_alloc(isp, 1, flag | VM_NEXTFIT)));
 }
 
 /*
@@ -116,7 +136,12 @@ id_alloc_nosleep(id_space_t *isp)
 id_t
 id_allocff(id_space_t *isp)
 {
-	return (ADDR_TO_ID(vmem_alloc(isp, 1, VM_SLEEP | VM_FIRSTFIT)));
+#ifdef _KERNEL
+	int flag = VM_SLEEP;
+#else
+	int flag = VM_NOSLEEP;
+#endif
+	return (ADDR_TO_ID(vmem_alloc(isp, 1, flag | VM_FIRSTFIT)));
 }
 
 /*
diff --git a/usr/src/common/inet/inet_hash.c b/usr/src/common/inet/inet_hash.c
new file mode 100644
index 0000000000..3a511fe588
--- /dev/null
+++ b/usr/src/common/inet/inet_hash.c
@@ -0,0 +1,359 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
+ */
+
+/*
+ * Common routines usable by any part of the networking stack for hashing
+ * packets. The hashing logic originally was part of MAC, but it has more
+ * utility being usable by the rest of the broader system.
+ */
+
+#include <sys/types.h>
+#include <sys/mac.h>
+#include <sys/strsubr.h>
+#include <sys/strsun.h>
+#include <sys/vlan.h>
+#include <inet/ip.h>
+#include <inet/ip_impl.h>
+#include <inet/ip6.h>
+#include <sys/dlpi.h>
+#include <sys/sunndi.h>
+#include <inet/ipsec_impl.h>
+#include <inet/sadb.h>
+#include <inet/ipsecesp.h>
+#include <inet/ipsecah.h>
+#include <inet/inet_hash.h>
+
+/*
+ * Determines the IPv6 header length accounting for all the optional IPv6
+ * headers (hop-by-hop, destination, routing and fragment). The header length
+ * and next header value (a transport header) is captured.
+ *
+ * Returns B_FALSE if all the IP headers are not in the same mblk otherwise
+ * returns B_TRUE.
+ */
+static boolean_t
+inet_pkthash_ip_hdr_length_v6(ip6_t *ip6h, uint8_t *endptr,
+    uint16_t *hdr_length,  uint8_t *next_hdr, ip6_frag_t **fragp)
+{
+	uint16_t length;
+	uint_t	ehdrlen;
+	uint8_t *whereptr;
+	uint8_t *nexthdrp;
+	ip6_dest_t *desthdr;
+	ip6_rthdr_t *rthdr;
+	ip6_frag_t *fraghdr;
+
+	if (((uchar_t *)ip6h + IPV6_HDR_LEN) > endptr)
+		return (B_FALSE);
+	ASSERT(IPH_HDR_VERSION(ip6h) == IPV6_VERSION);
+	length = IPV6_HDR_LEN;
+	whereptr = ((uint8_t *)&ip6h[1]); /* point to next hdr */
+
+	if (fragp != NULL)
+		*fragp = NULL;
+
+	nexthdrp = &ip6h->ip6_nxt;
+	while (whereptr < endptr) {
+		/* Is there enough left for len + nexthdr? */
+		if (whereptr + MIN_EHDR_LEN > endptr)
+			break;
+
+		switch (*nexthdrp) {
+		case IPPROTO_HOPOPTS:
+		case IPPROTO_DSTOPTS:
+			/* Assumes the headers are identical for hbh and dst */
+			desthdr = (ip6_dest_t *)whereptr;
+			ehdrlen = 8 * (desthdr->ip6d_len + 1);
+			if ((uchar_t *)desthdr +  ehdrlen > endptr)
+				return (B_FALSE);
+			nexthdrp = &desthdr->ip6d_nxt;
+			break;
+		case IPPROTO_ROUTING:
+			rthdr = (ip6_rthdr_t *)whereptr;
+			ehdrlen =  8 * (rthdr->ip6r_len + 1);
+			if ((uchar_t *)rthdr +  ehdrlen > endptr)
+				return (B_FALSE);
+			nexthdrp = &rthdr->ip6r_nxt;
+			break;
+		case IPPROTO_FRAGMENT:
+			fraghdr = (ip6_frag_t *)whereptr;
+			ehdrlen = sizeof (ip6_frag_t);
+			if ((uchar_t *)&fraghdr[1] > endptr)
+				return (B_FALSE);
+			nexthdrp = &fraghdr->ip6f_nxt;
+			if (fragp != NULL)
+				*fragp = fraghdr;
+			break;
+		case IPPROTO_NONE:
+			/* No next header means we're finished */
+		default:
+			*hdr_length = length;
+			*next_hdr = *nexthdrp;
+			return (B_TRUE);
+		}
+		length += ehdrlen;
+		whereptr += ehdrlen;
+		*hdr_length = length;
+		*next_hdr = *nexthdrp;
+	}
+	switch (*nexthdrp) {
+	case IPPROTO_HOPOPTS:
+	case IPPROTO_DSTOPTS:
+	case IPPROTO_ROUTING:
+	case IPPROTO_FRAGMENT:
+		/*
+		 * If any known extension headers are still to be processed,
+		 * the packet's malformed (or at least all the IP header(s) are
+		 * not in the same mblk - and that should never happen.
+		 */
+		return (B_FALSE);
+
+	default:
+		/*
+		 * If we get here, we know that all of the IP headers were in
+		 * the same mblk, even if the ULP header is in the next mblk.
+		 */
+		*hdr_length = length;
+		*next_hdr = *nexthdrp;
+		return (B_TRUE);
+	}
+}
+
+#define	PKT_HASH_2BYTES(x) ((x)[0] ^ (x)[1])
+#define	PKT_HASH_4BYTES(x) ((x)[0] ^ (x)[1] ^ (x)[2] ^ (x)[3])
+#define	PKT_HASH_MAC(x) ((x)[0] ^ (x)[1] ^ (x)[2] ^ (x)[3] ^ (x)[4] ^ (x)[5])
+uint64_t
+inet_pkt_hash(uint_t media, mblk_t *mp, uint8_t policy)
+{
+	struct ether_header *ehp;
+	uint64_t hash = 0;
+	uint16_t sap;
+	uint_t skip_len;
+	uint8_t proto;
+	boolean_t ip_fragmented;
+
+	/*
+	 * We may want to have one of these per MAC type plugin in the
+	 * future. For now supports only ethernet.
+	 */
+	if (media != DL_ETHER)
+		return (0L);
+
+	/* for now we support only outbound packets */
+	ASSERT(IS_P2ALIGNED(mp->b_rptr, sizeof (uint16_t)));
+	ASSERT(MBLKL(mp) >= sizeof (struct ether_header));
+
+	/* compute L2 hash */
+
+	ehp = (struct ether_header *)mp->b_rptr;
+
+	if ((policy & INET_PKT_HASH_L2) != 0) {
+		uchar_t *mac_src = ehp->ether_shost.ether_addr_octet;
+		uchar_t *mac_dst = ehp->ether_dhost.ether_addr_octet;
+		hash = PKT_HASH_MAC(mac_src) ^ PKT_HASH_MAC(mac_dst);
+		policy &= ~INET_PKT_HASH_L2;
+	}
+
+	if (policy == 0)
+		goto done;
+
+	/* skip ethernet header */
+
+	sap = ntohs(ehp->ether_type);
+	if (sap == ETHERTYPE_VLAN) {
+		struct ether_vlan_header *evhp;
+		mblk_t *newmp = NULL;
+
+		skip_len = sizeof (struct ether_vlan_header);
+		if (MBLKL(mp) < skip_len) {
+			/* the vlan tag is the payload, pull up first */
+			newmp = msgpullup(mp, -1);
+			if ((newmp == NULL) || (MBLKL(newmp) < skip_len)) {
+				goto done;
+			}
+			evhp = (struct ether_vlan_header *)newmp->b_rptr;
+		} else {
+			evhp = (struct ether_vlan_header *)mp->b_rptr;
+		}
+
+		sap = ntohs(evhp->ether_type);
+		freemsg(newmp);
+	} else {
+		skip_len = sizeof (struct ether_header);
+	}
+
+	/* if ethernet header is in its own mblk, skip it */
+	if (MBLKL(mp) <= skip_len) {
+		skip_len -= MBLKL(mp);
+		mp = mp->b_cont;
+		if (mp == NULL)
+			goto done;
+	}
+
+	sap = (sap < ETHERTYPE_802_MIN) ? 0 : sap;
+
+	/* compute IP src/dst addresses hash and skip IPv{4,6} header */
+
+	switch (sap) {
+	case ETHERTYPE_IP: {
+		ipha_t *iphp;
+
+		/*
+		 * If the header is not aligned or the header doesn't fit
+		 * in the mblk, bail now. Note that this may cause packet
+		 * reordering.
+		 */
+		iphp = (ipha_t *)(mp->b_rptr + skip_len);
+		if (((unsigned char *)iphp + sizeof (ipha_t) > mp->b_wptr) ||
+		    !OK_32PTR((char *)iphp))
+			goto done;
+
+		proto = iphp->ipha_protocol;
+		skip_len += IPH_HDR_LENGTH(iphp);
+
+		/* Check if the packet is fragmented. */
+		ip_fragmented = ntohs(iphp->ipha_fragment_offset_and_flags) &
+		    IPH_OFFSET;
+
+		/*
+		 * For fragmented packets, use addresses in addition to
+		 * the frag_id to generate the hash inorder to get
+		 * better distribution.
+		 */
+		if (ip_fragmented || (policy & INET_PKT_HASH_L3) != 0) {
+			uint8_t *ip_src = (uint8_t *)&(iphp->ipha_src);
+			uint8_t *ip_dst = (uint8_t *)&(iphp->ipha_dst);
+
+			hash ^= (PKT_HASH_4BYTES(ip_src) ^
+			    PKT_HASH_4BYTES(ip_dst));
+			policy &= ~INET_PKT_HASH_L3;
+		}
+
+		if (ip_fragmented) {
+			uint8_t *identp = (uint8_t *)&iphp->ipha_ident;
+			hash ^= PKT_HASH_2BYTES(identp);
+			goto done;
+		}
+		break;
+	}
+	case ETHERTYPE_IPV6: {
+		ip6_t *ip6hp;
+		ip6_frag_t *frag = NULL;
+		uint16_t hdr_length;
+
+		/*
+		 * If the header is not aligned or the header doesn't fit
+		 * in the mblk, bail now. Note that this may cause packets
+		 * reordering.
+		 */
+
+		ip6hp = (ip6_t *)(mp->b_rptr + skip_len);
+		if (((unsigned char *)ip6hp + IPV6_HDR_LEN > mp->b_wptr) ||
+		    !OK_32PTR((char *)ip6hp))
+			goto done;
+
+		if (!inet_pkthash_ip_hdr_length_v6(ip6hp, mp->b_wptr,
+		    &hdr_length, &proto, &frag))
+			goto done;
+		skip_len += hdr_length;
+
+		/*
+		 * For fragmented packets, use addresses in addition to
+		 * the frag_id to generate the hash inorder to get
+		 * better distribution.
+		 */
+		if (frag != NULL || (policy & INET_PKT_HASH_L3) != 0) {
+			uint8_t *ip_src = &(ip6hp->ip6_src.s6_addr8[12]);
+			uint8_t *ip_dst = &(ip6hp->ip6_dst.s6_addr8[12]);
+
+			hash ^= (PKT_HASH_4BYTES(ip_src) ^
+			    PKT_HASH_4BYTES(ip_dst));
+			policy &= ~INET_PKT_HASH_L3;
+		}
+
+		if (frag != NULL) {
+			uint8_t *identp = (uint8_t *)&frag->ip6f_ident;
+			hash ^= PKT_HASH_4BYTES(identp);
+			goto done;
+		}
+		break;
+	}
+	default:
+		goto done;
+	}
+
+	if (policy == 0)
+		goto done;
+
+	/* if ip header is in its own mblk, skip it */
+	if (MBLKL(mp) <= skip_len) {
+		skip_len -= MBLKL(mp);
+		mp = mp->b_cont;
+		if (mp == NULL)
+			goto done;
+	}
+
+	/* parse ULP header */
+again:
+	switch (proto) {
+	case IPPROTO_TCP:
+	case IPPROTO_UDP:
+	case IPPROTO_ESP:
+	case IPPROTO_SCTP:
+		/*
+		 * These Internet Protocols are intentionally designed
+		 * for hashing from the git-go.  Port numbers are in the first
+		 * word for transports, SPI is first for ESP.
+		 */
+		if (mp->b_rptr + skip_len + 4 > mp->b_wptr)
+			goto done;
+		hash ^= PKT_HASH_4BYTES((mp->b_rptr + skip_len));
+		break;
+
+	case IPPROTO_AH: {
+		ah_t *ah = (ah_t *)(mp->b_rptr + skip_len);
+		uint_t ah_length = AH_TOTAL_LEN(ah);
+
+		if ((unsigned char *)ah + sizeof (ah_t) > mp->b_wptr)
+			goto done;
+
+		proto = ah->ah_nexthdr;
+		skip_len += ah_length;
+
+		/* if AH header is in its own mblk, skip it */
+		if (MBLKL(mp) <= skip_len) {
+			skip_len -= MBLKL(mp);
+			mp = mp->b_cont;
+			if (mp == NULL)
+				goto done;
+		}
+
+		goto again;
+	}
+	}
+
+done:
+	return (hash);
+}
diff --git a/usr/src/common/util/getresponse.c b/usr/src/common/util/getresponse.c
index cc838a7ab1..992e81705f 100644
--- a/usr/src/common/util/getresponse.c
+++ b/usr/src/common/util/getresponse.c
@@ -125,7 +125,7 @@ yes_no(int (*func)(char *))
 	char    ans[LINE_MAX + 1];
 
 	/* Get user's answer */
-	for (i = 0; b = getchar(); i++) {
+	for (i = 0; (b = getchar()) != 0; i++) {
 		if (b == '\n' || b == '\0' || b == EOF)
 			break;
 		if (i < LINE_MAX)
diff --git a/usr/src/common/util/string.c b/usr/src/common/util/string.c
index d54b58d59c..80a076c436 100644
--- a/usr/src/common/util/string.c
+++ b/usr/src/common/util/string.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
  */
 
 /*
@@ -264,7 +265,7 @@ next_fmt:
 
 		if (sign && pad == '0')
 			ADDCHAR('-');
-		while (width-- > sign)
+		while ((!left_align) && (width-- > sign))
 			ADDCHAR(pad);
 		if (sign && pad == ' ')
 			ADDCHAR('-');
@@ -280,6 +281,10 @@ next_fmt:
 			ADDCHAR(*sp);
 		}
 
+		/* add left-alignment padding */
+		while (width-- > sign)
+			ADDCHAR(' ');
+
 		if (c == 'b' && ul != 0) {
 			int any = 0;
 			c = *bs++;
diff --git a/usr/src/common/util/string.h b/usr/src/common/util/string.h
index 052eeab4a4..f7acd734bd 100644
--- a/usr/src/common/util/string.h
+++ b/usr/src/common/util/string.h
@@ -61,6 +61,7 @@ extern char *strncpy(char *, const char *, size_t);
 extern char *strrchr(const char *, int c);
 extern char *strstr(const char *, const char *);
 extern char *strpbrk(const char *, const char *);
+extern char *strsep(char **, const char *);
 extern char *strncat(char *, const char *, size_t);
 extern size_t strlcat(char *, const char *, size_t);
 extern size_t strlcpy(char *, const char *, size_t);
diff --git a/usr/src/common/util/strtolctype.h b/usr/src/common/util/strtolctype.h
index 5675e42be7..535c014d1f 100644
--- a/usr/src/common/util/strtolctype.h
+++ b/usr/src/common/util/strtolctype.h
@@ -44,7 +44,7 @@ extern "C" {
  * safe in probe context.
  */
 
-#if	defined(_KERNEL) && !defined(_BOOT)
+#if	defined(_KERNEL) || defined(_BOOT)
 
 #define	isalnum(ch)	(isalpha(ch) || isdigit(ch))
 #define	isalpha(ch)	(isupper(ch) || islower(ch))
@@ -56,7 +56,7 @@ extern "C" {
 #define	isxdigit(ch)	(isdigit(ch) || ((ch) >= 'a' && (ch) <= 'f') || \
 			((ch) >= 'A' && (ch) <= 'F'))
 
-#endif	/* _KERNEL && !_BOOT */
+#endif	/* _KERNEL || _BOOT */
 
 #define	DIGIT(x)	\
 	(isdigit(x) ? (x) - '0' : islower(x) ? (x) + 10 - 'a' : (x) + 10 - 'A')
diff --git a/usr/src/common/zfs/zfs_prop.c b/usr/src/common/zfs/zfs_prop.c
index e145b1c866..54aaa027dd 100644
--- a/usr/src/common/zfs/zfs_prop.c
+++ b/usr/src/common/zfs/zfs_prop.c
@@ -444,6 +444,23 @@ zfs_prop_delegatable(zfs_prop_t prop)
 	return (pd->pd_attr != PROP_READONLY);
 }
 
+boolean_t
+zfs_prop_cacheable(zfs_prop_t prop)
+{
+	/*
+	 * It'd be nice if each prop had a flags field which could have flag
+	 * like PROP_CACHEABLE, but since zprop_attr_t is an enum and this
+	 * setting is orthogonal to the concepts of PROP_READONLY, etc., we have
+	 * this function.
+	 */
+	return (prop == ZFS_PROP_VERSION ||
+	    prop == ZFS_PROP_NORMALIZE ||
+	    prop == ZFS_PROP_UTF8ONLY ||
+	    prop == ZFS_PROP_CASE ||
+	    prop == ZFS_PROP_VOLSIZE ||
+	    prop == ZFS_PROP_VOLBLOCKSIZE);
+}
+
 /*
  * Given a zfs dataset property name, returns the corresponding property ID.
  */
diff --git a/usr/src/common/zfs/zfs_prop.h b/usr/src/common/zfs/zfs_prop.h
index a63262311b..1796642c68 100644
--- a/usr/src/common/zfs/zfs_prop.h
+++ b/usr/src/common/zfs/zfs_prop.h
@@ -21,6 +21,7 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
 
 #ifndef	_ZFS_PROP_H
@@ -86,6 +87,7 @@ typedef struct {
 void zfs_prop_init(void);
 zprop_type_t zfs_prop_get_type(zfs_prop_t);
 boolean_t zfs_prop_delegatable(zfs_prop_t prop);
+boolean_t zfs_prop_cacheable(zfs_prop_t prop);
 zprop_desc_t *zfs_prop_get_table(void);
 
 /*
diff --git a/usr/src/grub/Makefile b/usr/src/grub/Makefile
index 28c2eca2ff..c31e9a802c 100644
--- a/usr/src/grub/Makefile
+++ b/usr/src/grub/Makefile
@@ -29,6 +29,7 @@ INST_TARGETS += $(ROOT_BOOT_GRUB)/$(GRUB_MENU)
 INST_TARGETS += $(ROOT_BOOT_GRUB)/$(INSTALL_MENU)
 INST_TARGETS += $(ROOT_BOOT_GRUB)/$(GRUB_DEFAULT)
 INST_TARGETS += $(ROOT_BOOT_GRUB)/$(CAPABILITY)
+INST_TARGETS += $(ROOT_USR_SBIN)/grub
 
 $(ROOT_BOOT_GRUB)/$(GRUB_DEFAULT)   := FILEMODE = 444
 $(ROOT_BOOT_GRUB)/$(CAPABILITY)   := FILEMODE = 444
@@ -45,9 +46,14 @@ $(GRUB): FRC
 $(ROOT_BOOT_GRUB)/%: $(ROOT_BOOT_GRUB) %
 	$(INS.file)
 
+$(ROOT_USR_SBIN)/%: $(GRUB)/grub/grub $(ROOT_USR_SBIN)
+	$(INS.file)
+
 $(ROOT_BOOT_GRUB):
 	$(INS.dir)
 
+$(ROOT_USR_SBIN):
+	$(INS.dir)
 
 clean clobber: $(SUBDIRS)
 
diff --git a/usr/src/grub/Makefile.grub b/usr/src/grub/Makefile.grub
index 18354324ae..99942fa2ed 100644
--- a/usr/src/grub/Makefile.grub
+++ b/usr/src/grub/Makefile.grub
@@ -10,3 +10,4 @@ PLATFORM	= i86pc
 ROOT_BOOT_GRUB	= $(ROOT)/boot/grub
 ROOT_PLAT_GRUB	= $(ROOT)/platform/$(PLATFORM)/boot/grub
 ROOT_SRC	= $(ROOT)/usr/share/src/grub
+ROOT_USR_SBIN	= $(ROOT)/usr/sbin
diff --git a/usr/src/grub/grub-0.97/stage2/boot.c b/usr/src/grub/grub-0.97/stage2/boot.c
index cfc2336a4c..027de7709b 100644
--- a/usr/src/grub/grub-0.97/stage2/boot.c
+++ b/usr/src/grub/grub-0.97/stage2/boot.c
@@ -25,6 +25,8 @@
 #include "imgact_aout.h"
 #include "i386-elf.h"
 
+#define	SAFE_LOAD_BASE	0xc800000
+
 static int cur_addr;
 entry_func entry_addr;
 static struct mod_list mll[99];
@@ -773,6 +775,17 @@ load_module (char *module, char *arg)
 {
   int len;
 
+  /*
+   * XXX Workaround for RICHMOND-16: on some systems, the region
+   * [c700000, c800000) is corrupted by an unknown external (off-CPU) actor(s)
+   * during boot.  To be on the safe side, we will simply ensure that every
+   * module is loaded above this region.  Note that this means this particular
+   * boot loader supports only systems with at least 200 MB of DRAM plus the
+   * amount of space used by any modules.
+   */
+  if (cur_addr < SAFE_LOAD_BASE)
+    cur_addr = SAFE_LOAD_BASE;
+
   /* if we are supposed to load on 4K boundaries */
   cur_addr = (cur_addr + 0xFFF) & 0xFFFFF000;
 
diff --git a/usr/src/grub/grub-0.97/stage2/builtins.c b/usr/src/grub/grub-0.97/stage2/builtins.c
index ecc92bc819..ddc0003995 100644
--- a/usr/src/grub/grub-0.97/stage2/builtins.c
+++ b/usr/src/grub/grub-0.97/stage2/builtins.c
@@ -4053,12 +4053,20 @@ static struct builtin builtin_savedefault =
 static int
 serial_func (char *arg, int flags)
 {
-  unsigned short port = serial_hw_get_port (0);
+  int i;
+  int units[SERIAL_MAX_PORTS];
+  unsigned short ports[SERIAL_MAX_PORTS];
   unsigned int speed = 9600;
   int word_len = UART_8BITS_WORD;
   int parity = UART_NO_PARITY;
   int stop_bit_len = UART_1_STOP_BIT;
 
+  for (i = 0; i < SERIAL_MAX_PORTS; ++i)
+    {
+      units[i] = -1;
+      ports[i] = 0;
+    }
+
   /* Process GNU-style long options.
      FIXME: We should implement a getopt-like function, to avoid
      duplications.  */
@@ -4068,17 +4076,28 @@ serial_func (char *arg, int flags)
 	{
 	  char *p = arg + sizeof ("--unit=") - 1;
 	  int unit;
-	  
-	  if (! safe_parse_maxint (&p, &unit))
-	    return 1;
-	  
-	  if (unit < 0 || unit > 3)
+
+	  i = 0;
+	  do
 	    {
-	      errnum = ERR_DEV_VALUES;
-	      return 1;
-	    }
+	      if (i >= SERIAL_MAX_PORTS)
+		{
+		  errnum = ERR_DEV_FORMAT;
+		  return 1;
+		}
+
+	      if (! safe_parse_maxint (&p, &unit))
+	        return 1;
+	  
+	      if (unit < 0 || unit > 3)
+	        {
+	          errnum = ERR_DEV_VALUES;
+	          return 1;
+	        }
 
-	  port = serial_hw_get_port (unit);
+	      units[i++] = unit;
+	    }
+	  while (*p++ == ',');
 	}
       else if (grub_memcmp (arg, "--speed=", sizeof ("--speed=") - 1) == 0)
 	{
@@ -4094,11 +4113,28 @@ serial_func (char *arg, int flags)
 	{
 	  char *p = arg + sizeof ("--port=") - 1;
 	  int num;
-	  
-	  if (! safe_parse_maxint (&p, &num))
-	    return 1;
 
-	  port = (unsigned short) num;
+	  i = 0;
+	  do
+	    {
+	      if (i >= SERIAL_MAX_PORTS)
+		{
+		  errnum = ERR_DEV_FORMAT;
+		  return 1;
+		}
+
+	      if (! safe_parse_maxint (&p, &num))
+	        return 1;
+
+	      if (num > 0xffff || num <= 0)
+		{
+		  errnum = ERR_DEV_VALUES;
+		  return 1;
+		}
+
+	      ports[i++] = (unsigned short) num;
+	    }
+	  while (*p++ == ',');
 	}
       else if (grub_memcmp (arg, "--word=", sizeof ("--word=") - 1) == 0)
 	{
@@ -4174,8 +4210,21 @@ serial_func (char *arg, int flags)
       arg = skip_to (0, arg);
     }
 
-  /* Initialize the serial unit.  */
-  if (! serial_hw_init (port, speed, word_len, parity, stop_bit_len))
+  if (units[0] == -1 && ports[0] == 0)
+    units[0] = 0;
+
+  for (i = 0; i < SERIAL_MAX_PORTS; ++i)
+    {
+      if (units[i] != -1)
+	ports[i] = serial_hw_get_port (units[i]);
+      if (ports[i] == 0)
+	continue;
+
+      if (serial_hw_init (ports[i], speed, word_len, parity, stop_bit_len))
+	break;
+    }
+
+  if (i >= SERIAL_MAX_PORTS)
     {
       errnum = ERR_BAD_ARGUMENT;
       return 1;
@@ -4189,14 +4238,17 @@ static struct builtin builtin_serial =
   "serial",
   serial_func,
   BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
-  "serial [--unit=UNIT] [--port=PORT] [--speed=SPEED] [--word=WORD] [--parity=PARITY] [--stop=STOP] [--device=DEV]",
+  "serial [[--unit=UNIT[,UNIT...]] | [--port=PORT[,PORT...]]] [--speed=SPEED] [--word=WORD] [--parity=PARITY] [--stop=STOP] [--device=DEV]",
   "Initialize a serial device. UNIT is a digit that specifies which serial"
-  " device is used (e.g. 0 == COM1). If you need to specify the port number,"
-  " set it by --port. SPEED is the DTE-DTE speed. WORD is the word length,"
+  " device is used (e.g. 0 == ttya (aka COM1)). If you need to specify the port"
+  " number, set it by --port. Either but not both of --unit and --port is"
+  " permitted; --unit takes precedence. Multiple devices may be specified,"
+  " separated by commas; the first working device in the list will be used"
+  " and the rest ignored. SPEED is the DTE-DTE speed. WORD is the word length,"
   " PARITY is the type of parity, which is one of `no', `odd' and `even'."
   " STOP is the length of stop bit(s). The option --device can be used only"
   " in the grub shell, which specifies the file name of a tty device. The"
-  " default values are COM1, 9600, 8N1."
+  " default values are ttya, 9600, 8N1."
 };
 #endif /* SUPPORT_SERIAL */
 
diff --git a/usr/src/grub/grub-0.97/stage2/cmdline.c b/usr/src/grub/grub-0.97/stage2/cmdline.c
index 46c5fda027..6d5591e1de 100644
--- a/usr/src/grub/grub-0.97/stage2/cmdline.c
+++ b/usr/src/grub/grub-0.97/stage2/cmdline.c
@@ -212,8 +212,27 @@ run_script (char *script, char *heap)
 	     intervention.  */
 	  if (fallback_entryno < 0)
 	    {
-	      grub_printf ("\nPress any key to continue...");
-	      (void) getkey ();
+             int time1, time2 = -1;
+
+             grub_printf (
+                "\nRebooting in 2 minutes (press any key to continue)...");
+             grub_timeout = 120;
+
+             /* using RT clock now, need to initialize value */
+             while ((time1 = getrtsecs()) == 0xFF);
+
+             while (grub_timeout >= 0) {
+               if ((time1 = getrtsecs()) != time2 && time1 != 0xFF) {
+                  time2 = time1;
+                  grub_timeout--;
+               }
+
+               if (checkkey() >= 0)
+                 break;
+             }
+
+             grub_printf ("\nresetting...");
+             grub_reboot();
 	    }
 	  
 	  return 1;
diff --git a/usr/src/grub/grub-0.97/stage2/serial.c b/usr/src/grub/grub-0.97/stage2/serial.c
index 4e120e000d..b9f27bc581 100644
--- a/usr/src/grub/grub-0.97/stage2/serial.c
+++ b/usr/src/grub/grub-0.97/stage2/serial.c
@@ -141,6 +141,16 @@ serial_hw_init (unsigned short port, unsigned int speed,
   int i;
   unsigned short div = 0;
   unsigned char status = 0;
+
+  if (port == 0)
+    return 0;
+
+  /* Make sure the port actually exists. */
+  outb (port + UART_SR, UART_SR_TEST);
+  outb (port + UART_FCR, 0);
+  status = inb (port + UART_SR);
+  if (status != UART_SR_TEST)
+    return 0;
   
   /* Turn off the interrupt.  */
   outb (port + UART_IER, 0);
@@ -163,7 +173,7 @@ serial_hw_init (unsigned short port, unsigned int speed,
   outb (port + UART_DLH, div >> 8);
   
   /* Set the line status.  */
-  status |= parity | word_len | stop_bit_len;
+  status = parity | word_len | stop_bit_len;
   outb (port + UART_LCR, status);
 
   /* Enable the FIFO.  */
@@ -186,8 +196,6 @@ serial_hw_init (unsigned short port, unsigned int speed,
       {
 	term_table[i].flags &= ~TERM_NEED_INIT;
       }
-
-  /* FIXME: should check if the serial terminal was found.  */
   
   return 1;
 }
diff --git a/usr/src/grub/grub-0.97/stage2/serial.h b/usr/src/grub/grub-0.97/stage2/serial.h
index 76c222720d..19f7be6e63 100644
--- a/usr/src/grub/grub-0.97/stage2/serial.h
+++ b/usr/src/grub/grub-0.97/stage2/serial.h
@@ -23,6 +23,9 @@
 
 /* Macros.  */
 
+/* The maximum number of ports we ever try to use. */
+#define	SERIAL_MAX_PORTS	4
+
 /* The offsets of UART registers.  */
 #define UART_TX		0
 #define UART_RX		0
@@ -65,6 +68,9 @@
 /* Turn on DTR, RTS, and OUT2.  */
 #define UART_ENABLE_MODEM	0x0B
 
+/* Arbitrary pattern to write during existence testing. */
+#define	UART_SR_TEST	0x4F
+
 
 /* Function prototypes.  */
 
diff --git a/usr/src/head/Makefile b/usr/src/head/Makefile
index d13946c1b9..a5cd55825b 100644
--- a/usr/src/head/Makefile
+++ b/usr/src/head/Makefile
@@ -154,6 +154,7 @@ HDRS=   $($(MACH)_HDRS)  $(ATTRDB_HDRS) \
 	regex.h		\
 	regexp.h	\
 	resolv.h	\
+	resolv_joy.h	\
 	rje.h		\
 	rtld_db.h	\
 	sac.h		\
@@ -215,6 +216,7 @@ HDRS=   $($(MACH)_HDRS)  $(ATTRDB_HDRS) \
 	xlocale.h	\
 	xti.h		\
 	xti_inet.h	\
+	zdoor.h		\
 	zone.h
 
 ISOHDRS = \
diff --git a/usr/src/head/libzonecfg.h b/usr/src/head/libzonecfg.h
index d41dbb0520..0212224de5 100644
--- a/usr/src/head/libzonecfg.h
+++ b/usr/src/head/libzonecfg.h
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent, Inc.  All rights reserved.
  */
 
 #ifndef _LIBZONECFG_H
@@ -42,6 +43,7 @@ extern "C" {
 #include <netinet/in.h>
 #include <sys/socket.h>
 #include <net/if.h>
+#include <sys/mac.h>
 #include <stdio.h>
 #include <rctl.h>
 #include <zone.h>
@@ -127,6 +129,8 @@ extern "C" {
 #define	MAXAUTHS		4096
 #define	ZONE_MGMT_PROF		"Zone Management"
 
+#define	ZONE_INT32SZ		11		/* string to hold 32bit int. */
+
 /* Owner, group, and mode (defined by packaging) for the config directory */
 #define	ZONE_CONFIG_UID		0		/* root */
 #define	ZONE_CONFIG_GID		3		/* sys */
@@ -150,9 +154,11 @@ extern "C" {
 #define	ALIAS_MAXSEMIDS		"max-sem-ids"
 #define	ALIAS_MAXLOCKEDMEM	"locked"
 #define	ALIAS_MAXSWAP		"swap"
+#define	ALIAS_MAXPHYSMEM	"physical"
 #define	ALIAS_SHARES		"cpu-shares"
 #define	ALIAS_CPUCAP		"cpu-cap"
 #define	ALIAS_MAXPROCS		"max-processes"
+#define	ALIAS_ZFSPRI		"zfs-io-priority"
 
 /* Default name for zone detached manifest */
 #define	ZONE_DETACHED	"SUNWdetached.xml"
@@ -191,15 +197,30 @@ struct zone_fstab {
 	char		zone_fs_raw[MAXPATHLEN];	/* device to fsck */
 };
 
+/*
+ * Generic resource attribute list.
+ * Key/value resource that can be attached to net or device.
+ */
+struct zone_res_attrtab {
+	char	zone_res_attr_name[MAXNAMELEN];
+	char	zone_res_attr_value[MAXNAMELEN];
+	struct zone_res_attrtab *zone_res_attr_next;
+};
+
 struct zone_nwiftab {
 	char	zone_nwif_address[INET6_ADDRSTRLEN]; /* shared-ip only */
 	char	zone_nwif_allowed_address[INET6_ADDRSTRLEN]; /* excl-ip only */
 	char	zone_nwif_physical[LIFNAMSIZ];
+	char	zone_nwif_mac[MAXMACADDRLEN];		/* excl-ip only */
+	char	zone_nwif_vlan_id[ZONE_INT32SZ];	/* excl-ip only */
+	char	zone_nwif_gnic[LIFNAMSIZ];		/* excl-ip only */
 	char	zone_nwif_defrouter[INET6_ADDRSTRLEN];
+	struct zone_res_attrtab *zone_nwif_attrp;
 };
 
 struct zone_devtab {
 	char	zone_dev_match[MAXPATHLEN];
+	struct zone_res_attrtab *zone_dev_attrp;
 };
 
 struct zone_rctlvaltab {
@@ -230,10 +251,6 @@ struct zone_psettab {
 	char	zone_importance[MAXNAMELEN];
 };
 
-struct zone_mcaptab {
-	char	zone_physmem_cap[MAXNAMELEN];
-};
-
 struct zone_pkgtab {
 	char	zone_pkg_name[MAXNAMELEN];
 	char	zone_pkg_version[ZONE_PKG_VERSMAX];
@@ -317,6 +334,8 @@ extern	int	zonecfg_set_bootargs(zone_dochandle_t, char *);
 extern	int	zonecfg_get_sched_class(zone_dochandle_t, char *, size_t);
 extern	int	zonecfg_set_sched(zone_dochandle_t, char *);
 extern	int	zonecfg_get_dflt_sched_class(zone_dochandle_t, char *, int);
+extern	zoneid_t zonecfg_get_did(zone_dochandle_t);
+extern	void	zonecfg_set_did(zone_dochandle_t);
 
 /*
  * Set/retrieve the brand for the zone
@@ -341,6 +360,15 @@ extern	int 	zonecfg_find_mounts(char *, int(*)(const struct mnttab *,
     void *), void *);
 
 /*
+ * Resource key/value attributes (properties).
+ */
+extern	int	zonecfg_add_res_attr(struct zone_res_attrtab **,
+    struct zone_res_attrtab *);
+extern	void	zonecfg_free_res_attr_list(struct zone_res_attrtab *);
+extern	int	zonecfg_remove_res_attr(struct zone_res_attrtab **,
+    struct zone_res_attrtab *);
+
+/*
  * Network interface configuration.
  */
 extern	int	zonecfg_add_nwif(zone_dochandle_t, struct zone_nwiftab *);
@@ -422,13 +450,6 @@ extern	int	zonecfg_modify_pset(zone_dochandle_t, struct zone_psettab *);
 extern	int	zonecfg_lookup_pset(zone_dochandle_t, struct zone_psettab *);
 
 /*
- * mem-cap configuration.
- */
-extern	int	zonecfg_delete_mcap(zone_dochandle_t);
-extern	int	zonecfg_modify_mcap(zone_dochandle_t, struct zone_mcaptab *);
-extern	int	zonecfg_lookup_mcap(zone_dochandle_t, struct zone_mcaptab *);
-
-/*
  * Temporary pool support functions.
  */
 extern	int	zonecfg_destroy_tmp_pool(char *, char *, int);
@@ -485,7 +506,6 @@ extern	int	zonecfg_setdsent(zone_dochandle_t);
 extern	int	zonecfg_getdsent(zone_dochandle_t, struct zone_dstab *);
 extern	int	zonecfg_enddsent(zone_dochandle_t);
 extern	int	zonecfg_getpsetent(zone_dochandle_t, struct zone_psettab *);
-extern	int	zonecfg_getmcapent(zone_dochandle_t, struct zone_mcaptab *);
 extern	int	zonecfg_getpkgdata(zone_dochandle_t, uu_avl_pool_t *,
     uu_avl_t *);
 extern	int	zonecfg_setdevperment(zone_dochandle_t);
@@ -509,6 +529,7 @@ extern	int	zonecfg_set_limitpriv(zone_dochandle_t, char *);
  * Higher-level routines.
  */
 extern  int	zone_get_brand(char *, char *, size_t);
+extern  zoneid_t zone_get_did(char *);
 extern	int	zone_get_rootpath(char *, char *, size_t);
 extern	int	zone_get_devroot(char *, char *, size_t);
 extern	int	zone_get_zonepath(char *, char *, size_t);
@@ -517,7 +538,9 @@ extern	int	zone_set_state(char *, zone_state_t);
 extern	char	*zone_state_str(zone_state_t);
 extern	int	zonecfg_get_name_by_uuid(const uuid_t, char *, size_t);
 extern	int	zonecfg_get_uuid(const char *, uuid_t);
+extern	int	zonecfg_set_uuid(const char *, const char *, const char *);
 extern	int	zonecfg_default_brand(char *, size_t);
+extern	int	zonecfg_fix_obsolete(zone_dochandle_t);
 
 /*
  * Iterator for configured zones.
diff --git a/usr/src/head/limits.h b/usr/src/head/limits.h
index a6cba76cf8..17aee19837 100644
--- a/usr/src/head/limits.h
+++ b/usr/src/head/limits.h
@@ -24,6 +24,7 @@
  *
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
  */
 
 /*	Copyright (c) 1988 AT&T	*/
@@ -36,6 +37,7 @@
 #include <sys/feature_tests.h>
 #include <sys/isa_defs.h>
 #include <iso/limits_iso.h>
+#include <sys/limits.h>
 
 /*
  * Include fixed width type limits as proposed by the ISO/JTC1/SC22/WG14 C
@@ -237,8 +239,6 @@ extern "C" {
 #define	_XOPEN_NAME_MAX	255	/* max # bytes in filename excluding null */
 #define	_XOPEN_PATH_MAX	1024	/* max # bytes in a pathname */
 
-#define	IOV_MAX		_XOPEN_IOV_MAX
-
 #if defined(__EXTENSIONS__) || \
 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
 
diff --git a/usr/src/head/regexp.h b/usr/src/head/regexp.h
index 5336c81677..e98cd25e16 100644
--- a/usr/src/head/regexp.h
+++ b/usr/src/head/regexp.h
@@ -394,12 +394,12 @@ advance(const char *lp, const char *ep)
 			/*FALLTHRU*/
 
 		case CBRA:
-			braslist[*ep++] = (char *)lp;
+			braslist[(int)*ep++] = (char *)lp;
 			continue;
 			/*FALLTHRU*/
 
 		case CKET:
-			braelist[*ep++] = (char *)lp;
+			braelist[(int)*ep++] = (char *)lp;
 			continue;
 			/*FALLTHRU*/
 
@@ -477,8 +477,8 @@ advance(const char *lp, const char *ep)
 			/*FALLTHRU*/
 
 		case CBACK:
-			bbeg = braslist[*ep];
-			ct = braelist[*ep++] - bbeg;
+			bbeg = braslist[(int)*ep];
+			ct = braelist[(int)*ep++] - bbeg;
 
 			if (ecmp(bbeg, lp, ct)) {
 				lp += ct;
@@ -488,8 +488,8 @@ advance(const char *lp, const char *ep)
 			/*FALLTHRU*/
 
 		case CBACK | STAR:
-			bbeg = braslist[*ep];
-			ct = braelist[*ep++] - bbeg;
+			bbeg = braslist[(int)*ep];
+			ct = braelist[(int)*ep++] - bbeg;
 			curlp = lp;
 			while (ecmp(bbeg, lp, ct))
 				lp += ct;
diff --git a/usr/src/head/resolv_joy.h b/usr/src/head/resolv_joy.h
new file mode 100644
index 0000000000..262cf6121d
--- /dev/null
+++ b/usr/src/head/resolv_joy.h
@@ -0,0 +1,472 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T
+ * All Rights Reserved
+ *
+ * Portions of this source code were derived from Berkeley
+ * 4.3 BSD under license from the regents of the University of
+ * California.
+ */
+
+/*
+ * BIND 4.9.4:
+ */
+
+/*
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ * --Copyright--
+ *
+ * End BIND 4.9.4
+ */
+
+/*
+ * Copyright (c) 1983, 1987, 1989
+ *    The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+/*
+ *	@(#)resolv.h	8.1 (Berkeley) 6/2/93
+ *	$Id: resolv.h,v 8.52 2003/04/29 02:27:03 marka Exp $
+ */
+
+#ifndef _RESOLV_JOY_H
+#define	_RESOLV_JOY_H
+
+#ifdef	_RESOLV_H_
+#error	"resolv.h and resolv_joy.h should not be used together"
+#endif
+
+#include <sys/param.h>
+
+#include <stdio.h>
+#include <arpa/nameser.h>
+#include <sys/socket.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * Revision information.  This is the release date in YYYYMMDD format.
+ * It can change every day so the right thing to do with it is use it
+ * in preprocessor commands such as "#if (__RES > 19931104)".  Do not
+ * compare for equality; rather, use it to determine whether your resolver
+ * is new enough to contain a certain feature.
+ */
+
+#define	__RES	20090302
+
+#pragma	redefine_extname dn_expand joy_dn_expand
+#pragma	redefine_extname res_nsearch joy_res_nsearch
+#pragma	redefine_extname res_ninit joy_res_ninit
+#pragma	redefine_extname res_ndestroy joy_res_ndestroy
+#pragma	redefine_extname res_gethostbyaddr joy_res_gethostbyaddr
+#pragma	redefine_extname res_gethostbyname joy_res_gethostbyname
+#pragma	redefine_extname res_gethostbyname2 joy_res_gethostbyname2
+#pragma	redefine_extname res_endhostent joy_res_endhostent
+#pragma	redefine_extname res_sethostent joy_res_sethostent
+#pragma	redefine_extname __res_override_retry __joy_res_override_retry
+#pragma	redefine_extname __res_unset_no_hosts_fallback \
+    __joy_res_unset_no_hosts_fallback
+#pragma	redefine_extname __res_set_no_hosts_fallback \
+    __joy_res_set_no_hosts_fallback
+#pragma	redefine_extname __h_errno __joy_h_errno
+#pragma	redefine_extname __ns_get16 __joy_ns_get16
+#pragma	redefine_extname __ns_get32 __joy_ns_get32
+
+
+#define	RES_SET_H_ERRNO(r, x)	__h_errno_set(r, x)
+struct __res_state;					/* forward */
+
+void __h_errno_set(struct __res_state *res, int err);
+
+/*
+ * Resolver configuration file.
+ * Normally not present, but may contain the address of the
+ * initial name server(s) to query and the domain search list.
+ */
+
+#ifndef _PATH_RESCONF
+#define	_PATH_RESCONF		"/etc/resolv.conf"
+#endif
+
+#ifdef __STDC__
+#ifndef __P
+#define	__P(x)	x
+#endif
+#else
+#ifndef __P
+#define	__P(x)	()
+#endif
+#endif /* __STDC__ */
+
+typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error }
+	res_sendhookact;
+
+typedef res_sendhookact (*res_send_qhook)__P((struct sockaddr * const *ns,
+						const uchar_t **query,
+						int *querylen,
+						uchar_t *ans,
+						int anssiz,
+						int *resplen));
+
+typedef res_sendhookact (*res_send_rhook)__P((const struct sockaddr *ns,
+						const uchar_t *query,
+						int querylen,
+						uchar_t *ans,
+						int anssiz,
+						int *resplen));
+
+struct res_sym {
+	int		number;	   /* Identifying number, like T_MX */
+	const char 	*name;	   /* Its symbolic name, like "MX" */
+	const char 	*humanname; /* Its fun name, like "mail exchanger" */
+};
+
+/*
+ * Global defines and variables for resolver stub.
+ */
+/* ADDRSORT and MAXADDR retained for compatibility; not used */
+#define	ADDRSORT	1	/* enable the address-sorting option */
+#define	MAXADDR		10	/* max # addresses to sort by */
+
+#define	MAXNS			32	/* max # name servers we'll track */
+#define	MAXDFLSRCH		3	/* # default domain levels to try */
+#define	MAXDNSRCH		6	/* max # domains in search path */
+#define	LOCALDOMAINPARTS	2	/* min levels in name that is "local" */
+
+#define	RES_TIMEOUT		5	/* min. seconds between retries */
+#define	MAXRESOLVSORT		10	/* number of net to sort on */
+#define	RES_MAXNDOTS		15	/* should reflect bit field size */
+#define	RES_MAXRETRANS		30	/* only for resolv.conf/RES_OPTIONS */
+#define	RES_MAXRETRY		5	/* only for resolv.conf/RES_OPTIONS */
+#define	RES_DFLRETRY		2	/* Default #/tries. */
+#define	RES_MAXTIME		65535	/* Infinity, in milliseconds. */
+
+struct __res_state_ext;
+
+struct __res_state {
+	int	retrans;		/* retransmission time interval */
+	int	retry;			/* number of times to retransmit */
+#ifdef __sun
+	uint_t	options;		/* option flags - see below. */
+#else
+	ulong_t	options;		/* option flags - see below. */
+#endif
+	int	nscount;		/* number of name servers */
+	struct sockaddr_in
+		nsaddr_list[MAXNS];	/* address of name server */
+#define	nsaddr	nsaddr_list[0]		/* for backward compatibility */
+	ushort_t id;			/* current packet id */
+	char	*dnsrch[MAXDNSRCH+1];	/* components of domain to search */
+	char	defdname[256];		/* default domain (deprecated) */
+#ifdef __sun
+	uint_t	pfcode;			/* RES_PRF_ flags - see below. */
+#else
+	ulong_t	pfcode;			/* RES_PRF_ flags - see below. */
+#endif
+	unsigned ndots:4;		/* threshold for initial abs. query */
+	unsigned nsort:4;		/* number of elements in sort_list[] */
+	char	unused[3];
+	struct {
+		struct in_addr	addr;
+		unsigned int	mask;
+	} sort_list[MAXRESOLVSORT];
+	res_send_qhook qhook;		/* query hook */
+	res_send_rhook rhook;		/* response hook */
+	int		res_h_errno;	/* last one set for this context */
+	int		_vcsock;	/* PRIVATE: for res_send VC i/o */
+	uint_t	_flags;		/* PRIVATE: see below */
+	uint_t	_pad;			/* make _u 64 bit aligned */
+	union {
+		/* On an 32-bit arch this means 512b total. */
+		char	pad[72 - 4*sizeof (int) - 2*sizeof (void *)];
+		struct {
+			uint16_t		nscount;
+			uint16_t		nstimes[MAXNS];	/* ms. */
+			int			nssocks[MAXNS];
+			struct __res_state_ext *ext;	/* extention for IPv6 */
+			uchar_t	_rnd[16];	/* PRIVATE: random state */
+		} _ext;
+	} _u;
+};
+
+typedef	struct __res_state	*res_state;
+
+union res_sockaddr_union {
+	struct sockaddr_in	sin;
+#ifdef IN6ADDR_ANY_INIT
+	struct sockaddr_in6	sin6;
+#endif
+#ifdef ISC_ALIGN64
+	int64_t			__align64;	/* 64bit alignment */
+#else
+	int32_t			__align32;	/* 32bit alignment */
+#endif
+	char			__space[128];   /* max size */
+};
+
+/*
+ * Resolver flags (used to be discrete per-module statics ints).
+ */
+#define	RES_F_VC	0x00000001	/* socket is TCP */
+#define	RES_F_CONN	0x00000002	/* socket is connected */
+#define	RES_F_EDNS0ERR	0x00000004	/* EDNS0 caused errors */
+#define	RES_F__UNUSED	0x00000008	/* (unused) */
+#define	RES_F_LASTMASK	0x000000F0	/* ordinal server of last res_nsend */
+#define	RES_F_LASTSHIFT	4		/* bit position of LASTMASK "flag" */
+#define	RES_GETLAST(res) (((res)._flags & RES_F_LASTMASK) >> RES_F_LASTSHIFT)
+
+/* res_findzonecut2() options */
+#define	RES_EXHAUSTIVE	0x00000001	/* always do all queries */
+#define	RES_IPV4ONLY	0x00000002	/* IPv4 only */
+#define	RES_IPV6ONLY	0x00000004	/* IPv6 only */
+
+/*
+ * Resolver options (keep these in synch with res_debug.c, please)
+ */
+#define	RES_INIT	0x00000001	/* address initialized */
+#define	RES_DEBUG	0x00000002	/* print debug messages */
+#define	RES_AAONLY	0x00000004	/* authoritative answers only (!IMPL) */
+#define	RES_USEVC	0x00000008	/* use virtual circuit */
+#define	RES_PRIMARY	0x00000010	/* query primary server only (!IMPL) */
+#define	RES_IGNTC	0x00000020	/* ignore trucation errors */
+#define	RES_RECURSE	0x00000040	/* recursion desired */
+#define	RES_DEFNAMES	0x00000080	/* use default domain name */
+#define	RES_STAYOPEN	0x00000100	/* Keep TCP socket open */
+#define	RES_DNSRCH	0x00000200	/* search up local domain tree */
+#define	RES_INSECURE1	0x00000400	/* type 1 security disabled */
+#define	RES_INSECURE2	0x00000800	/* type 2 security disabled */
+#define	RES_NOALIASES	0x00001000	/* shuts off HOSTALIASES feature */
+#define	RES_USE_INET6	0x00002000	/* use/map IPv6 in gethostbyname() */
+#define	RES_ROTATE	0x00004000	/* rotate ns list after each query */
+#define	RES_NOCHECKNAME	0x00008000	/* do not check names for sanity. */
+#define	RES_KEEPTSIG	0x00010000	/* do not strip TSIG records */
+#define	RES_BLAST	0x00020000	/* blast all recursive servers */
+#define	RES_NO_NIBBLE	0x00040000	/* disable IPv6 nibble mode reverse */
+#define	RES_NO_BITSTRING 0x00080000	/* disable IPv6 bitstring mode revrse */
+#define	RES_NOTLDQUERY	0x00100000	/* don't unqualified name as a tld */
+#define	RES_USE_DNSSEC	0x00200000	/* use DNSSEC using OK bit in OPT */
+/* KAME extensions: use higher bit to avoid conflict with ISC use */
+#define	RES_USE_DNAME	0x10000000	/* use DNAME */
+#define	RES_USE_EDNS0	0x40000000	/* use EDNS0 if configured */
+#define	RES_NO_NIBBLE2	0x80000000	/* disable alternate nibble lookup */
+
+#define	RES_DEFAULT	(RES_RECURSE | RES_DEFNAMES | RES_DNSRCH)
+
+/*
+ * Resolver "pfcode" values.  Used by dig.
+ */
+#define	RES_PRF_STATS	0x00000001
+#define	RES_PRF_UPDATE	0x00000002
+#define	RES_PRF_CLASS   0x00000004
+#define	RES_PRF_CMD		0x00000008
+#define	RES_PRF_QUES	0x00000010
+#define	RES_PRF_ANS		0x00000020
+#define	RES_PRF_AUTH	0x00000040
+#define	RES_PRF_ADD		0x00000080
+#define	RES_PRF_HEAD1	0x00000100
+#define	RES_PRF_HEAD2	0x00000200
+#define	RES_PRF_TTLID	0x00000400
+#define	RES_PRF_HEADX	0x00000800
+#define	RES_PRF_QUERY	0x00001000
+#define	RES_PRF_REPLY	0x00002000
+#define	RES_PRF_INIT	0x00004000
+#define	RES_PRF_TRUNC	0x00008000
+/*			0x00010000	*/
+
+/* Things involving an internal (static) resolver context. */
+#ifdef _REENTRANT
+extern struct __res_state *__res_state(void);
+#define	_res (*__res_state())
+#else
+#ifndef __BIND_NOSTATIC
+extern struct __res_state _res;
+#endif
+#endif
+
+#ifndef __BIND_NOSTATIC
+void		fp_nquery __P((const uchar_t *, int, FILE *));
+void		fp_query __P((const uchar_t *, FILE *));
+const char *hostalias __P((const char *));
+void		p_query __P((const uchar_t *));
+void		res_close __P((void));
+int		res_init __P((void));
+int		res_isourserver __P((const struct sockaddr_in *));
+int		res_mkquery __P((int, const char *, int, int, const uchar_t *,
+				int, const uchar_t *, uchar_t *, int));
+int		res_query	__P((const char *, int, int, uchar_t *, int));
+int		res_querydomain __P((const char *, const char *, int, int,
+				uchar_t *, int));
+int		res_search __P((const char *, int, int, uchar_t *, int));
+int		res_send __P((const uchar_t *, int, uchar_t *, int));
+int		res_sendsigned __P((const uchar_t *, int, ns_tsig_key *,
+				    uchar_t *, int));
+#endif	/* __BIND_NOSTATIC */
+
+extern const struct res_sym __p_key_syms[];
+extern const struct res_sym __p_cert_syms[];
+extern const struct res_sym __p_class_syms[];
+extern const struct res_sym __p_type_syms[];
+extern const struct res_sym __p_rcode_syms[];
+
+int		res_hnok __P((const char *));
+int		res_ownok __P((const char *));
+int		res_mailok __P((const char *));
+int		res_dnok __P((const char *));
+int		sym_ston __P((const struct res_sym *, const char *, int *));
+const char	*sym_ntos __P((const struct res_sym *, int, int *));
+const char	*sym_ntop __P((const struct res_sym *, int, int *));
+int		b64_ntop __P((uchar_t const *, size_t, char *, size_t));
+int		b64_pton __P((char const *, uchar_t *, size_t));
+int		loc_aton __P((const char *ascii, uchar_t *binary));
+const char	*loc_ntoa __P((const uchar_t *binary, char *ascii));
+int		dn_skipname __P((const uchar_t *, const uchar_t *));
+void		putlong __P((unsigned int, uchar_t *));
+void		putshort __P((unsigned short, uchar_t *));
+const char	*p_class __P((int));
+const char	*p_time __P((unsigned int));
+const char	*p_type __P((int));
+const char	*p_rcode __P((int));
+const char	*p_sockun __P((union res_sockaddr_union, char *, size_t));
+const uchar_t	*p_cdnname __P((const uchar_t *, const uchar_t *, int,
+			FILE *));
+const uchar_t	*p_cdname __P((const uchar_t *, const uchar_t *, FILE *));
+const uchar_t	*p_fqnname __P((const uchar_t *cp, const uchar_t *msg,
+			int, char *, int));
+const uchar_t	*p_fqname __P((const uchar_t *, const uchar_t *, FILE *));
+const char	*p_option __P((uint_t option));
+char		*p_secstodate __P((uint_t));
+int		dn_count_labels __P((const char *));
+int		dn_comp __P((const char *, uchar_t *, int,
+				uchar_t **, uchar_t **));
+int		dn_expand __P((const uchar_t *, const uchar_t *,
+			const uchar_t *, char *, int));
+void		res_rndinit __P((res_state));
+uint_t		res_randomid __P((void));
+uint_t		res_nrandomid __P((res_state));
+int		res_nameinquery __P((const char *, int, int,
+				const uchar_t *, const uchar_t *));
+int		res_queriesmatch __P((const uchar_t *, const uchar_t *,
+				const uchar_t *, const uchar_t *));
+const char	*p_section __P((int section, int opcode));
+
+
+/* Things involving a resolver context. */
+int		res_ninit __P((res_state));
+int		res_nisourserver __P((const res_state,
+				const struct sockaddr_in *));
+void	fp_resstat __P((const res_state, FILE *));
+void	res_pquery	__P((const res_state, const uchar_t *, int, FILE *));
+const char	*res_hostalias __P((const res_state, const char *,
+				char *, size_t));
+int		res_nquery __P((res_state,
+				const char *, int, int, uchar_t *, int));
+int		res_nsearch __P((res_state, const char *, int,
+				int, uchar_t *, int));
+int		res_nquerydomain __P((res_state,
+				const char *, const char *, int, int,
+				uchar_t *, int));
+int		res_nmkquery __P((res_state,
+				int, const char *, int, int, const uchar_t *,
+				int, const uchar_t *, uchar_t *, int));
+int		res_nsend __P((res_state, const uchar_t *, int, uchar_t *,
+				int));
+int		res_nsendsigned __P((res_state, const uchar_t *, int,
+				ns_tsig_key *, uchar_t *, int));
+int		res_findzonecut __P((res_state, const char *, ns_class, int,
+				char *, size_t, struct in_addr *, int));
+int		res_findzonecut2 __P((res_state, const char *, ns_class, int,
+				char *, size_t, union res_sockaddr_union *,
+				int));
+void		res_nclose __P((res_state));
+int		res_nopt __P((res_state, int, uchar_t *, int, int));
+int		res_nopt_rdata __P((res_state, int, uchar_t *, int, uchar_t *,
+				    ushort_t, ushort_t, uchar_t *));
+void		res_send_setqhook __P((res_send_qhook hook));
+void		res_send_setrhook __P((res_send_rhook hook));
+int		__res_vinit __P((res_state, int));
+void		res_destroyservicelist __P((void));
+const char 	*res_servicename __P((uint16_t port, const char *proto));
+const char 	*res_protocolname __P((int num));
+void		res_destroyprotolist __P((void));
+void		res_buildprotolist __P((void));
+const char 	*res_get_nibblesuffix __P((res_state));
+const char 	*res_get_nibblesuffix2 __P((res_state));
+void		res_ndestroy __P((res_state));
+uint16_t	res_nametoclass __P((const char *buf, int *success));
+uint16_t	res_nametotype __P((const char *buf, int *success));
+void		res_setservers __P((res_state,
+				    const union res_sockaddr_union *, int));
+int		res_getservers __P((res_state,
+				    union res_sockaddr_union *, int));
+
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* !_RESOLV_JOY_H */
diff --git a/usr/src/head/zdoor.h b/usr/src/head/zdoor.h
new file mode 100644
index 0000000000..f2d204042d
--- /dev/null
+++ b/usr/src/head/zdoor.h
@@ -0,0 +1,74 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _ZDOOR_H
+#define	_ZDOOR_H
+
+#include <sys/types.h>
+#include <zone.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct zdoor_handle *zdoor_handle_t;
+
+typedef struct zdoor_cookie {
+	char *zdc_zonename;
+	char *zdc_service;
+	void *zdc_biscuit;
+} zdoor_cookie_t;
+
+typedef struct zdoor_result {
+	char *zdr_data;
+	size_t zdr_size;
+} zdoor_result_t;
+
+typedef zdoor_result_t *(*zdoor_callback) (zdoor_cookie_t *cookie,
+	char *argp, size_t arpg_sz);
+
+#define	ZDOOR_OK		0
+#define	ZDOOR_ERROR		-1
+#define	ZDOOR_NOT_GLOBAL_ZONE	-2
+#define	ZDOOR_ZONE_NOT_RUNNING	-3
+#define	ZDOOR_ZONE_FORBIDDEN	-4
+#define	ZDOOR_ARGS_ERROR	-5
+#define	ZDOOR_OUT_OF_MEMORY	-6
+
+extern zdoor_handle_t	zdoor_handle_init();
+
+extern int	zdoor_open(zdoor_handle_t handle, const char *zonename,
+	const char *service, void *biscuit, zdoor_callback callback);
+
+extern void *	zdoor_close(zdoor_handle_t handle, const char *zonename,
+	const char *service);
+
+extern void 	zdoor_handle_destroy(zdoor_handle_t handle);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _ZDOOR_H */
diff --git a/usr/src/head/zone.h b/usr/src/head/zone.h
index 34528a27f5..f9ea8d4f82 100644
--- a/usr/src/head/zone.h
+++ b/usr/src/head/zone.h
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015 Joyent Inc.
  */
 
 #ifndef _ZONE_H
@@ -46,17 +47,20 @@ extern ssize_t		getzonenamebyid(zoneid_t, char *, size_t);
  * NOTE
  *
  * The remaining contents of this file are private to the implementation
- * of Solaris and are subject to change at any time without notice,
+ * of Illumos and are subject to change at any time without notice,
  * Applications using these interfaces may fail to run on future releases.
  */
 
+#define	ZLOGIN_DISCONNECT	0x1	/* disconnect on zone halt */
+#define	ZLOGIN_ZFD_EOF		0x2	/* EOF on ZFD */
+
 extern int zonept(int, zoneid_t);
 extern int zone_get_id(const char *, zoneid_t *);
 
 /* System call API */
 extern zoneid_t	zone_create(const char *, const char *,
     const struct priv_set *, const char *, size_t, const char *, size_t, int *,
-    int, int, const bslabel_t *, int);
+    int, int, const bslabel_t *, int, zoneid_t);
 extern int	zone_boot(zoneid_t);
 extern int	zone_destroy(zoneid_t);
 extern ssize_t	zone_getattr(zoneid_t, int, void *, size_t);
@@ -69,6 +73,7 @@ extern int	zone_add_datalink(zoneid_t, datalink_id_t);
 extern int	zone_remove_datalink(zoneid_t, datalink_id_t);
 extern int	zone_check_datalink(zoneid_t *, datalink_id_t);
 extern int	zone_list_datalink(zoneid_t, int *, datalink_id_t *);
+extern const char *zone_get_nroot(void);
 
 #ifdef	__cplusplus
 }
diff --git a/usr/src/lib/Makefile b/usr/src/lib/Makefile
index 6d8588d839..35c5c53004 100644
--- a/usr/src/lib/Makefile
+++ b/usr/src/lib/Makefile
@@ -22,7 +22,7 @@
 # Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
 # Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
 # Copyright (c) 2012 by Delphix. All rights reserved.
-# Copyright (c) 2012, Joyent, Inc. All rights reserved.
+# Copyright 2015, Joyent, Inc.
 # Copyright (c) 2013 Gary Mills
 # Copyright 2014 Garrett D'Amore <garrett@damore.org>
 
@@ -68,6 +68,7 @@ SUBDIRS += \
 	libcommputil		\
 	libresolv			\
 	libresolv2		.WAIT	\
+	libresolv2_joy		.WAIT	\
 	libw			.WAIT	\
 	libintl			.WAIT	\
 	../cmd/sgs/librtld_db	\
@@ -80,6 +81,8 @@ SUBDIRS += \
 	librt			\
 	libadm			\
 	libctf			\
+	libbrand	.WAIT   \
+	libzonecfg	.WAIT	\
 	libdtrace		\
 	libdtrace_jni		\
 	libcurses		\
@@ -134,6 +137,7 @@ SUBDIRS += \
 	libpp		\
 	libproc		\
 	libproject	\
+	librename	\
 	libsendfile	\
 	nametoaddr	\
 	ncad_addr	\
@@ -158,8 +162,11 @@ SUBDIRS += \
 	libpcidb	\
 	libm1		\
 	libm		\
-	libmvec
-
+	libmvec		\
+	libvnd		\
+	libidspace	\
+	varpd		\
+	libbunyan
 
 SUBDIRS += \
 	passwdutil	\
@@ -182,7 +189,6 @@ SUBDIRS += \
 	libxnet		\
 	libipsecutil	\
 	nsswitch	\
-	print		\
 	libuutil	\
 	libscf		\
 	libinetsvc	\
@@ -201,10 +207,10 @@ SUBDIRS += \
 	libwrap		\
 	libxcurses	\
 	libxcurses2	\
-	libbrand	.WAIT   \
-	libzonecfg	\
+	libzdoor	\
 	libzoneinfo	\
 	libzonestat	\
+	libsmartsshd	\
 	libtsnet	\
 	libtsol		\
 	gss_mechs/mech_spnego	\
@@ -219,7 +225,6 @@ SUBDIRS += \
 	raidcfg_plugins	\
 	cfgadm_plugins	\
 	libmail		\
-	lvm		\
 	libsmedia	\
 	libipp		\
 	libdiskmgt	\
@@ -236,10 +241,7 @@ SUBDIRS += \
 	libzfs_core	\
 	libzfs		\
 	libbe		\
-	pylibbe		\
 	libzfs_jni	\
-	pyzfs		\
-	pysolaris	\
 	libmapid	\
 	brand		\
 	policykit	\
@@ -298,9 +300,6 @@ fm:			\
 #
 NOWAIT_SUBDIRS= $(SUBDIRS:.WAIT=)
 
-DCSUBDIRS =		\
-	lvm
-
 MSGSUBDIRS=		\
 	abi		\
 	auditd_plugins	\
@@ -355,12 +354,11 @@ MSGSUBDIRS=		\
 	libwanbootutil	\
 	libzfs		\
 	libzonecfg	\
-	lvm		\
+	libzdoor	\
+	libsmartsshd	\
 	madv		\
 	mpss		\
 	pam_modules	\
-	pyzfs		\
-	pysolaris	\
 	rpcsec_gss	\
 	libreparse
 MSGSUBDIRS += \
@@ -377,6 +375,7 @@ HDRSUBDIRS=		\
 	libast		\
 	libbrand	\
 	libbsm		\
+	libbunyan	\
 	libc		\
 	libcmd		\
 	libcmdutils	\
@@ -406,6 +405,7 @@ HDRSUBDIRS=		\
 	libfru		\
 	libfstyp	\
 	libgen		\
+	libidspace	\
 	libipadm	\
 	libipd		\
 	libipsecutil	\
@@ -437,6 +437,7 @@ HDRSUBDIRS=		\
 	libraidcfg	\
 	librcm		\
 	librdc		\
+	librename	\
 	libscf		\
 	libsip		\
 	libsmbios	\
@@ -468,6 +469,7 @@ HDRSUBDIRS=		\
 	libumem		\
 	libunistat	\
 	libuutil	\
+	libvnd		\
 	libwanboot	\
 	libwanbootutil	\
 	libwrap		\
@@ -479,7 +481,6 @@ HDRSUBDIRS=		\
 	libzonestat	\
 	hal		\
 	policykit	\
-	lvm		\
 	pkcs11		\
 	passwdutil	\
 	../cmd/sendmail/libmilter	\
@@ -563,7 +564,7 @@ gss_mechs/mech_krb5:	libgss libnsl libsocket libresolv pkcs11
 libadt_jni:	libbsm
 libast: 	libsocket libm
 libadutils: 	libldap5 libresolv libsocket libnsl
-nsswitch:	libadutils libidmap
+nsswitch:	libadutils libidmap libresolv2_joy
 libbe: 		libzfs
 libbsm:		libtsol
 libcmd: 	libsum libast libsocket libnsl
@@ -574,7 +575,7 @@ libdevinfo:	libnvpair libsec
 libdhcpagent:	libsocket libdhcputil libuuid libdlpi libcontract
 libdhcputil:	libnsl libgen libinetutil libdlpi
 libdladm:	libdevinfo libinetutil libsocket libscf librcm libnvpair \
-		libexacct libnsl libkstat libcurses
+		libexacct libnsl libkstat libcurses varpd
 libdll: 	libast
 libdlpi:	libinetutil libdladm
 libds:		libsysevent
@@ -618,6 +619,8 @@ libpool:	libnvpair libexacct
 libpp:		libast
 libzonecfg:	libc libsocket libnsl libuuid libnvpair libsysevent libsec \
 		libbrand libpool libscf
+libzdoor:	libc libzonecfg libcontract
+libsmartsshd:	libc libcontract
 libproc:	../cmd/sgs/librtld_db ../cmd/sgs/libelf libctf libsaveargs
 libproject:	libpool libproc libsecdb
 libtermcap:	libcurses
@@ -633,8 +636,6 @@ librestart:	libuutil libscf
 libsaveargs:	libdisasm
 ../cmd/sgs/libdl:	../cmd/sgs/libconv
 ../cmd/sgs/libelf:	../cmd/sgs/libconv
-pkcs11:		libcryptoutil
-print:		libldap5
 udapl/udapl_tavor:	udapl/libdat
 libzfs:		libdevid libgen libnvpair libuutil \
 		libadm libavl libefi libidmap libmd libzfs_core libm
@@ -659,9 +660,6 @@ sun_fc:		libdevinfo libsysevent libnvpair
 libsun_ima:	libdevinfo libsysevent libnsl
 sun_sas:	libdevinfo libsysevent libnvpair libkstat libdevid
 libgrubmgmt:	libdevinfo libzfs libfstyp
-pylibbe: 	libbe libzfs
-pyzfs:		libnvpair libzfs
-pysolaris:	libsec libidmap
 libreparse:	libnvpair
 libhotplug:	libnvpair
 cfgadm_plugins:	libhotplug
@@ -671,9 +669,13 @@ libprtdiag:	libm
 libsqlite:	libm
 libstmf:	libm
 libvscan: 	libm
+libidspace:	libumem
+libbunyan:	libnvpair
 
 
 $(INTEL_BUILD)libdiskmgt:libfdisk
+varpd:		libavl libidspace libumem libnsl libnvpair libmd5 librename \
+		libbunyan libcmdutils
 
 #
 # The reason this rule checks for the existence of the
diff --git a/usr/src/lib/Makefile.astmsg b/usr/src/lib/Makefile.astmsg
index 096805e825..ff8202d03a 100644
--- a/usr/src/lib/Makefile.astmsg
+++ b/usr/src/lib/Makefile.astmsg
@@ -47,8 +47,8 @@ MSGLIBNAME= $(LIBRARY:.a=)
 ASTMSGCATALOG= $(ROOT)/usr/lib/locale/C/LC_MESSAGES/$(MSGLIBNAME)
 
 $(DO_BUILD_AST_CATALOGS)ASTMSGCC= \
-	PATH="/usr/ast/bin/:/bin:/usr/bin" \
-		/usr/bin/ksh93 /usr/ast/bin/msgcc >>msgcc.out 2>&1
+	PATH="$(ASTBINDIR):/bin:/usr/bin" \
+		/usr/bin/ksh93 $(MSGCC) >>msgcc.out 2>&1
 
 ASTMSGS=  $(OBJECTS:%.o=msgs/%.mso)
 
diff --git a/usr/src/lib/Makefile.lib b/usr/src/lib/Makefile.lib
index 5574164fb5..a1078ffc89 100644
--- a/usr/src/lib/Makefile.lib
+++ b/usr/src/lib/Makefile.lib
@@ -20,6 +20,7 @@
 #
 # Copyright 2015 Gary Mills
 # Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2015, Joyent, Inc.
 #
 #
 # Definitions common to libraries.
@@ -135,6 +136,23 @@ SONAME=		$(DYNLIB)
 # combining relocations into one relocation table reduces startup costs.
 # All options are tunable to allow overload/omission from lower makefiles.
 
+#
+# DTrace related rules
+#
+# These allow for multiple USDT providers to be specified by a library.
+# If a library needs to break up the set of objects that are passed to
+# the dtrace -G invocation, then they can place the following in heir
+# Makefile.com:
+#
+# pics/<provider>.o	:= USDT_G_PICS = <files>
+#
+# <provider> should be replaced with the basename of one of the USDT
+# providers specified in USDT_PROVIDERS in their Makefile.com.
+#
+USDT_HEADERS=	$(USDT_PROVIDERS:%.d=%_impl.h)
+USDT_PICS=	$(USDT_PROVIDERS:%.d=pics/%.o)
+USDT_G_PICS=	$(PICS)
+
 
 HSONAME=	-h$(SONAME)
 DYNFLAGS=	$(HSONAME) $(ZTEXT) $(ZDEFS) $(BDIRECT) \
@@ -157,7 +175,7 @@ SRCS=		$(OBJECTS:%.o=$(SRCDIR)/%.c)
 # overridden locally when extra processing is needed
 BUILD.AR=	$(AR) $(ARFLAGS) $@ $(AROBJS)
 BUILD.SO=	$(CC) $(CFLAGS) -o $@ $(GSHARED) $(DYNFLAGS) \
-		$(PICS) $(EXTPICS) $(LDLIBS)
+		$(PICS) $(EXTPICS) $(USDT_PICS) $(LDLIBS)
 BUILDCCC.SO=	$(CCC) $(CCFLAGS) -o $@ $(GSHARED) $(DYNFLAGS) \
 		$(PICS) $(EXTPICS) $(LDLIBS)
 
@@ -254,3 +272,15 @@ TARGETMACH=	$(MACH)
 # shouldn't override this - they should override $(CLOBBERFILES) instead.
 #
 CLOBBERTARGFILES= $(LIBS) $(DYNLIB) $(CLOBBERFILES)
+
+#
+# Define the default ctfdiff invocation used to check a list of types
+# supplied by a user of a library. The goal is to validate that a given
+# series of types is the same in both a 32-bit and 64-bit artifact. This
+# is only defined if we have a 64-bit build to do.
+#
+TYPECHECK_LIB32 =		$(TYPECHECK_LIB:%=$(MACH)/%)
+TYPECHECK_LIB64 =		$(TYPECHECK_LIB:%=$(MACH64)/%)
+TYPECHECK_LIST=			$(TYPELIST:%=-T %)
+$(BUILD64)TYPECHECK.lib =	$(CTFDIFF) -t -I $(TYPECHECK_LIST) $(TYPECHECK_LIB32) $(TYPECHECK_LIB64)
+TYPECHECK =			$(TYPECHECK_LIB:%=%.typecheck)
diff --git a/usr/src/lib/Makefile.targ b/usr/src/lib/Makefile.targ
index 4769c64d54..2798192343 100644
--- a/usr/src/lib/Makefile.targ
+++ b/usr/src/lib/Makefile.targ
@@ -20,6 +20,7 @@
 #
 #
 # Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2014, Joyent, Inc.
 #
 
 #
@@ -90,7 +91,7 @@ $(LIBRARY): objs .WAIT $$(OBJS)
 
 $(DYNLIB): $$(MAPFILES)
 
-$(DYNLIB): pics .WAIT $$(PICS) $$(ALTPICS) $$(EXTPICS)
+$(DYNLIB): pics $(USDT_HEADERS) .WAIT $$(PICS) $$(ALTPICS) $$(EXTPICS) .WAIT $(USDT_PICS)
 	$(BUILD.SO)
 	$(POST_PROCESS_SO)
 
@@ -104,9 +105,12 @@ $(LINTLIB): $$(SRCS)
 lintcheck: $$(SRCS)
 	$(LINT.c) $(LINTCHECKFLAGS) $(SRCS) $(LDLIBS)
 
+$(TYPECHECK): $(TYPECHECK_LIB32) $(TYPECHECK_LIB64)
+	$(TYPECHECK.lib)
+
 clobber: clean
 	-$(RM) $(CLOBBERTARGFILES)
 
 clean:
-	-$(RM) $(OBJS)
+	-$(RM) $(OBJS) $(USDT_HEADERS) $(USDT_PICS)
 	-$(RM) $(PICS) $(DUPLICATE_SRC) $(LINTOUT) $(LINTLIB) $(CLEANFILES)
diff --git a/usr/src/lib/Makefile.usdt b/usr/src/lib/Makefile.usdt
new file mode 100644
index 0000000000..17140161ad
--- /dev/null
+++ b/usr/src/lib/Makefile.usdt
@@ -0,0 +1,28 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# This makefile contains the necessary targets for USDT providers; it should
+# be included after Makefile.targ.  (It is in a separate file rather than in
+# Makefile.targ because the dependency on $(USDT_G_PICS) is incompatible with
+# libraries that dynamically define $(OBJECTS).)
+#
+pics/%.o: $(SRCDIR)/%.d $(USDT_G_PICS)
+	$(COMPILE.d) -o $@ -s $< $(USDT_G_PICS)
+	$(POST_PROCESS_O)
+
+%_impl.h: $(SRCDIR)/%.d
+	$(DTRACE) -h -o $@ -s $<
+
diff --git a/usr/src/lib/brand/Makefile b/usr/src/lib/brand/Makefile
index 05bfc54764..bd766f3f9d 100644
--- a/usr/src/lib/brand/Makefile
+++ b/usr/src/lib/brand/Makefile
@@ -30,7 +30,10 @@ include ../../Makefile.master
 # Build everything in parallel; use .WAIT for dependencies
 .PARALLEL:
 
-SUBDIRS= shared .WAIT sn1 solaris10 ipkg labeled $($(MACH)_SUBDIRS)
+i386_SUBDIRS= lx
+i386_MSGSUBDIRS= lx
+
+SUBDIRS= shared .WAIT sn1 sngl solaris10 ipkg labeled $($(MACH)_SUBDIRS)
 MSGSUBDIRS= solaris10 shared $($(MACH)_MSGSUBDIRS)
 
 all :=		TARGET= all
diff --git a/usr/src/lib/brand/lx/Makefile b/usr/src/lib/brand/lx/Makefile
new file mode 100644
index 0000000000..6643377ef6
--- /dev/null
+++ b/usr/src/lib/brand/lx/Makefile
@@ -0,0 +1,55 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+# Copyright 2014 Joyent, Inc.  All rights reserved.
+#
+
+default: all
+
+include Makefile.lx
+
+# Build everything in parallel; use .WAIT for dependencies
+.PARALLEL:
+
+SUBDIRS=	cmd librtld_db lx_support lx_brand lx_thunk netfiles zone \
+		lx_vdso testing .WAIT lx_nametoaddr
+MSGSUBDIRS=	lx_brand lx_support zone
+
+all :=		TARGET= all
+install :=	TARGET= install
+clean :=	TARGET= clean
+clobber :=	TARGET= clobber
+lint :=		TARGET= lint
+_msg :=		TARGET= _msg
+
+.KEEP_STATE:
+
+all install clean clobber lint: $(SUBDIRS)
+
+_msg: $(MSGSUBDIRS)
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
diff --git a/usr/src/lib/brand/lx/Makefile.lx b/usr/src/lib/brand/lx/Makefile.lx
new file mode 100644
index 0000000000..4db4679cef
--- /dev/null
+++ b/usr/src/lib/brand/lx/Makefile.lx
@@ -0,0 +1,34 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+# lib/brand/lx/Makefile.lx
+#
+# include global definitions
+
+BRAND=	lx
+
+include $(SRC)/lib/brand/Makefile.brand
+
diff --git a/usr/src/lib/brand/lx/cmd/Makefile b/usr/src/lib/brand/lx/cmd/Makefile
new file mode 100644
index 0000000000..c302f9ebe3
--- /dev/null
+++ b/usr/src/lib/brand/lx/cmd/Makefile
@@ -0,0 +1,48 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+# Copyright 2014 Joyent, Inc.  All rights reserved.
+#
+
+PROGS =	lx_lockd lx_native lx_isaexec_wrapper lx_statd lx_thunk
+
+include ../Makefile.lx
+
+# override the install directory
+ROOTBIN =	$(ROOTBRANDDIR)
+CLOBBERFILES =	$(ROOTPROGS)
+
+.KEEP_STATE:
+
+lint:
+
+all:		$(PROGS)
+
+install:	all $(ROOTPROGS)
+
+clean:
+	$(RM) $(PROGS)
+
+clobber: clean
+	$(RM) $(ROOTPROGS)
diff --git a/usr/src/lib/brand/lx/cmd/lx_isaexec_wrapper.sh b/usr/src/lib/brand/lx/cmd/lx_isaexec_wrapper.sh
new file mode 100644
index 0000000000..618570011c
--- /dev/null
+++ b/usr/src/lib/brand/lx/cmd/lx_isaexec_wrapper.sh
@@ -0,0 +1,59 @@
+#!/bin/sh
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2014, Joyent, Inc. All rights reserved.
+#
+
+#
+# All native executables must be run using the native linker. By default, the
+# kernel loads the linker at /lib/ld.so.1, which in an lx zone is the gcc
+# linker. Hence when we run the native executable below, we explicitly specify
+# /native/lib/ld.so.1 as our 32-bit linker and /native/lib/64/ld.so.1 as our
+# 64-bit linker. For convience we define "n" to be the native path prefix. The
+# initial lx_native argument is used as a way to tell the brand emulation that
+# it needs to set up the process to run as an unbranded process.
+#
+# If this script gets setup with a mode that makes it suid, then things won't
+# work because the script will be running with the incorrect name.
+#
+# XXX For now, we only do 32-bit
+#
+
+n=/native
+
+bname=`/usr/bin/basename $0`
+dname=`/usr/bin/dirname $0`
+echo $dname | grep "^/" >/dev/null || dname=`/bin/pwd`/$dname
+dname=`(cd $dname 2>/dev/null && /bin/pwd 2>/dev/null)`
+
+if [ ! -f $n$dname/$bname ]; then
+	echo "Error: \"$dname/$bname\" is not installed in the global zone"
+	exit 1
+fi
+
+exec $n/usr/lib/brand/lx/lx_native \
+    $n/lib/ld.so.1 \
+    -e LD_NOENVIRON=1 \
+    -e LD_NOCONFIG=1 \
+    -e LD_PRELOAD_32=$n/usr/lib/brand/lx/lx_thunk.so.1 \
+    -e LD_LIBRARY_PATH_32="$n/lib:$n/usr/lib" \
+    $n$dname/$bname "$@"
diff --git a/usr/src/lib/brand/lx/cmd/lx_lockd.sh b/usr/src/lib/brand/lx/cmd/lx_lockd.sh
new file mode 100644
index 0000000000..cb60d19749
--- /dev/null
+++ b/usr/src/lib/brand/lx/cmd/lx_lockd.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+LD_LIBRARY_PATH=/usr/lib/brand/lx
+LD_PRELOAD=/native/usr/lib/brand/lx/lx_thunk.so.1
+LD_BIND_NOW=1
+export LD_LIBRARY_PATH LD_PRELOAD LD_BIND_NOW
+
+exec /native/usr/lib/brand/lx/lx_native \
+	/native/usr/lib/nfs/lockd -P -U 29 -G 29
diff --git a/usr/src/lib/brand/lx/cmd/lx_native.sh b/usr/src/lib/brand/lx/cmd/lx_native.sh
new file mode 100644
index 0000000000..8e8344a375
--- /dev/null
+++ b/usr/src/lib/brand/lx/cmd/lx_native.sh
@@ -0,0 +1,29 @@
+#!/bin/sh
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+exit 0
diff --git a/usr/src/lib/brand/lx/cmd/lx_statd.sh b/usr/src/lib/brand/lx/cmd/lx_statd.sh
new file mode 100644
index 0000000000..998fd90af2
--- /dev/null
+++ b/usr/src/lib/brand/lx/cmd/lx_statd.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+LD_LIBRARY_PATH=/usr/lib/brand/lx
+LD_PRELOAD=/native/usr/lib/brand/lx/lx_thunk.so.1
+LD_BIND_NOW=1
+export LD_LIBRARY_PATH LD_PRELOAD LD_BIND_NOW
+
+exec /native/usr/lib/brand/lx/lx_native \
+	/native/usr/lib/nfs/statd -P -U 29 -G 29
diff --git a/usr/src/lib/brand/lx/cmd/lx_thunk.sh b/usr/src/lib/brand/lx/cmd/lx_thunk.sh
new file mode 100644
index 0000000000..4e1e6cbc03
--- /dev/null
+++ b/usr/src/lib/brand/lx/cmd/lx_thunk.sh
@@ -0,0 +1,29 @@
+#!/bin/sh
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+exec /native/usr/lib/brand/lx/lx_thunk
diff --git a/usr/src/lib/brand/lx/librtld_db/Makefile b/usr/src/lib/brand/lx/librtld_db/Makefile
new file mode 100644
index 0000000000..2fc0a818f6
--- /dev/null
+++ b/usr/src/lib/brand/lx/librtld_db/Makefile
@@ -0,0 +1,54 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+default: all
+
+include $(SRC)/lib/Makefile.lib
+
+SUBDIRS = $(MACH)
+$(BUILD64)SUBDIRS += $(MACH64)
+
+LINT_SUBDIRS=	$(MACH)
+$(BUILD64)LINT_SUBDIRS += $(MACH64)
+
+all :=          TARGET= all
+clean :=        TARGET= clean
+clobber :=      TARGET= clobber
+install :=      TARGET= install
+lint :=         TARGET= lint
+
+.KEEP_STATE:
+
+all install clean clobber: $(SUBDIRS)
+
+lint: $(LINT_SUBDIRS)
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
diff --git a/usr/src/lib/brand/lx/librtld_db/Makefile.com b/usr/src/lib/brand/lx/librtld_db/Makefile.com
new file mode 100644
index 0000000000..202cc0fe7b
--- /dev/null
+++ b/usr/src/lib/brand/lx/librtld_db/Makefile.com
@@ -0,0 +1,83 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+LIBRARY =	lx_librtld_db.a
+VERS	=	.1
+COBJS	=	lx_librtld_db.o
+OBJECTS	=	$(COBJS) $(COBJS64)
+
+include $(SRC)/lib/Makefile.lib
+include ../../Makefile.lx
+
+CSRCS =       $(COBJS:%o=../common/%c)
+SRCS  =       $(CSRCS)
+
+SRCDIR =	../common
+UTSBASE	=	$(SRC)/uts
+
+#
+# ATTENTION:
+#	Librtl_db brand plugin libraries should NOT directly invoke any
+#	libproc.so interfaces or be linked against libproc.  If a librtl_db
+#	brand plugin library uses libproc.so interfaces then it may break
+#	any other librtld_db consumers (like mdb) that tries to attach
+#	to a branded process.  The only safe interfaces that the a librtld_db
+#	brand plugin library can use to access a target process are the
+#	proc_service(3PROC) apis.
+#
+DYNFLAGS +=	$(VERSREF) -M../common/mapfile-vers
+LIBS =		$(DYNLIB)
+LDLIBS +=	-lc -lrtld_db
+CFLAGS +=	$(CCVERBOSE)
+CPPFLAGS +=	-D_REENTRANT -I../ -I$(UTSBASE)/common/brand/lx \
+			-I$(SRC)/cmd/sgs/librtld_db/common \
+			-I$(SRC)/cmd/sgs/include \
+			-I$(SRC)/cmd/sgs/include/$(MACH)
+
+ROOTLIBDIR =	$(ROOT)/usr/lib/brand/lx
+ROOTLIBDIR64 =	$(ROOT)/usr/lib/brand/lx/$(MACH64)
+
+#
+# The top level Makefiles define define TEXT_DOMAIN.  But librtld_db.so.1
+# isn't internationalized and this library won't be either.  The only
+# messages that this library can generate are messages used for debugging
+# the operation of the library itself.
+#
+DTEXTDOM =
+
+.KEEP_STATE:
+
+all: $(LIBS)
+
+lint: lintcheck
+
+pics/%64.o:	../common/%.c
+		$(COMPILE.c) -D_ELF64 $(PICFLAGS) -o $@ $<
+		$(POST_PROCESS_O)
+
+include $(SRC)/lib/Makefile.targ
diff --git a/usr/src/lib/brand/lx/librtld_db/amd64/Makefile b/usr/src/lib/brand/lx/librtld_db/amd64/Makefile
new file mode 100644
index 0000000000..726e7ef6d3
--- /dev/null
+++ b/usr/src/lib/brand/lx/librtld_db/amd64/Makefile
@@ -0,0 +1,38 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+COBJS64 =	lx_librtld_db64.o
+
+include ../Makefile.com
+include $(SRC)/lib/Makefile.lib.64
+
+DYNFLAGS +=	-Mmapfile-vers
+
+CLOBBERFILES = $(ROOTLIBDIR64)/$(DYNLIB)
+
+install: all $(ROOTLIBS64)
diff --git a/usr/src/lib/brand/lx/librtld_db/amd64/mapfile-vers b/usr/src/lib/brand/lx/librtld_db/amd64/mapfile-vers
new file mode 100644
index 0000000000..4893b02998
--- /dev/null
+++ b/usr/src/lib/brand/lx/librtld_db/amd64/mapfile-vers
@@ -0,0 +1,44 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+SUNWprivate_1.1 {
+	global:
+		rtld_db_brand_ops64;
+};
diff --git a/usr/src/lib/brand/lx/librtld_db/common/lx_librtld_db.c b/usr/src/lib/brand/lx/librtld_db/common/lx_librtld_db.c
new file mode 100644
index 0000000000..50cf3ca3ba
--- /dev/null
+++ b/usr/src/lib/brand/lx/librtld_db/common/lx_librtld_db.c
@@ -0,0 +1,851 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright 2014 Joyent, Inc. All rights reserved.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <sys/types.h>
+#include <sys/link.h>
+#include <libproc.h>
+#include <proc_service.h>
+#include <rtld_db.h>
+#include <synch.h>
+
+#include <sys/lx_brand.h>
+
+/*
+ * Overview of this library derived from the original "BrandZ" PSARC design
+ * document.
+ *
+ * Since Linux binaries are standard ELF objects, Illumos debug tools (i.e. mdb
+ * or ptools) are able to process them in essentially the same way that Illumos
+ * binaries are processed. The main objective is to retrieve symbols and
+ * thereby aid debugging and observability. Unfortunately, most Linux
+ * distributions strip(1) their binaries as a misguided "optimization" so the
+ * majority of the useful debugging information is lost.
+ *
+ * The debug tools use interfaces provided by librtld_db to debug live
+ * processes and core files. librtld_db discovers ELF objects which have been
+ * mapped into the target's address space and reports these back to the tool.
+ * The librtld_db library understands enough of the internals of the Illumos
+ * runtime linker to iterate over the linker's private link maps and process
+ * the objects it finds. librtld_db allows our tools to debug the Illumos
+ * portions of a branded process (e.g. the brand library, libc, etc.) but they
+ * can't understand any Linux objects that are mapped into the address space
+ * because the Illumos linker only has Illumos objects on its link maps.
+ *
+ * In order to give the tools visibility into Linux binaries, a brand helper
+ * framework is implemented in librtld_db. When librtld_db is asked to examine
+ * a branded target process or core file, it uses the AT_SUN_BRANDNAME aux
+ * vector to get our brand name (lx). It then dlopen-s this lx_librtld_db.so
+ * helper library.
+ *
+ * Once loaded, this helper library is responsible for finding any lx-specific
+ * information it needs, such as the Linux equivalent LDDATA aux entry and
+ * preparing to return details about the objects loaded into the address space
+ * by the Linux linker.
+ *
+ * When a debug tool asks to know what objects are loaded in the target,
+ * librtld_db walks the Illumos link maps and iterates over each object it
+ * finds there, handing information about each to the tool. It then calls down
+ * into this helper library, which does the same for the brand-specific objects
+ * used by the target.
+ *
+ * This debug-helper code contains a bunch of helpful ps_plog calls. To enable
+ * this output with the ptools (e.g. pmap) set LIBPROC_DEBUG=1 in your
+ * environment. To enable it with mdb set MDB_DEBUG=psvc in your environment.
+ */
+
+/*
+ * ATTENTION:
+ *	Librtl_db brand plugin libraries should NOT directly invoke any
+ *	libproc.so interfaces or be linked against libproc.  If a librtl_db
+ *	brand plugin library uses libproc.so interfaces then it may break
+ *	any other librtld_db consumers (like mdb) that tries to attach
+ *	to a branded process.  The only safe interfaces that the a librtld_db
+ *	brand plugin library can use to access a target process are the
+ *	proc_service(3PROC) apis.
+ */
+
+/*
+ * M_DATA comes from some streams header file but is also redifined in
+ * _rtld_db.h, so nuke the old streams definition here.
+ */
+#ifdef M_DATA
+#undef M_DATA
+#endif /* M_DATA */
+
+/*
+ * For 32-bit versions of this library, this file gets compiled once.
+ * For 64-bit versions of this library, this file gets compiled twice,
+ * once with _ELF64 defined and once without.  The expectation is that
+ * the 64-bit version of the library can properly deal with both 32-bit
+ * and 64-bit elf files, hence in the 64-bit library there are two copies
+ * of all the interfaces in this file, one set named *32 and one named *64.
+ *
+ * This also means that we need to be careful when declaring local pointers
+ * that point to objects in another processes address space, since these
+ * pointers may not match the current processes pointer width.  Basically,
+ * we should avoid using data types that change size between 32 and 64 bit
+ * modes like: long, void *, uintptr_t, caddr_t, psaddr_t, size_t, etc.
+ * Instead we should declare all pointers as uint32_t.  Then when we
+ * are compiled to deal with 64-bit targets we'll re-define uint32_t
+ * to be a uint64_t.
+ */
+#ifdef _LP64
+#ifdef _ELF64
+#define	lx_ldb_get_dyns32		lx_ldb_get_dyns64
+#define	lx_ldb_init32			lx_ldb_init64
+#define	lx_ldb_fini32			lx_ldb_fini64
+#define	lx_ldb_loadobj_iter32		lx_ldb_loadobj_iter64
+#define	lx_ldb_getauxval32		lx_ldb_getauxval64
+#define	lx_elf_props32			lx_elf_props64
+#define	_rd_get_dyns32			_rd_get_dyns64
+#define	_rd_get_ehdr32			_rd_get_ehdr64
+#define	uint32_t			uint64_t
+#define	Elf32_Dyn			Elf64_Dyn
+#define	Elf32_Ehdr			Elf64_Ehdr
+#define	Elf32_Phdr			Elf64_Phdr
+#endif /* _ELF64 */
+#endif /* _LP64 */
+
+/* Included from usr/src/cmd/sgs/librtld_db/common */
+#include <_rtld_db.h>
+
+typedef struct lx_rd {
+	rd_agent_t		*lr_rap;
+	struct ps_prochandle	*lr_php;	/* proc handle pointer */
+	uint32_t		lr_rdebug;	/* address of lx r_debug */
+	uint32_t		lr_exec;	/* base address of executable */
+} lx_rd_t;
+
+typedef struct lx_link_map {
+	uint32_t lxm_addr;	/* Base address shared object is loaded at.  */
+	uint32_t lxm_name;	/* Absolute file name object was found in.  */
+	uint32_t lxm_ld;	/* Dynamic section of the shared object.  */
+	uint32_t lxm_next;	/* Chain of loaded objects.  */
+} lx_link_map_t;
+
+typedef struct lx_r_debug {
+	int r_version;		/* Version number for this protocol.  */
+	uint32_t	r_map;	/* Head of the chain of loaded objects. */
+
+	/*
+	 * This is the address of a function internal to the run-time linker,
+	 * that will always be called when the linker begins to map in a
+	 * library or unmap it, and again when the mapping change is complete.
+	 * The debugger can set a breakpoint at this address if it wants to
+	 * notice shared object mapping changes.
+	 */
+	uint32_t	r_brk;
+	r_state_e	r_state; /* defined the same way between lx/solaris */
+	uint32_t	r_ldbase; /* Base address the linker is loaded at. */
+} lx_r_debug_t;
+
+static uint32_t
+lx_ldb_getauxval32(struct ps_prochandle *php, int type)
+{
+	const auxv_t		*auxvp = NULL;
+
+	if (ps_pauxv(php, &auxvp) != PS_OK)
+		return ((uint32_t)-1);
+
+	while (auxvp->a_type != AT_NULL) {
+		if (auxvp->a_type == type)
+			return ((uint32_t)(uintptr_t)auxvp->a_un.a_ptr);
+		auxvp++;
+	}
+	return ((uint32_t)-1);
+}
+
+/*
+ * A key difference between the linux linker and ours' is that the linux
+ * linker adds the base address of segments to certain values in the
+ * segments' ELF header. As an example, look at the address of the
+ * DT_HASH hash table in a Solaris section - it is a relative address
+ * which locates the start of the hash table, relative to the beginning
+ * of the ELF file. However, when the linux linker loads a section, it
+ * modifies the in-memory ELF image by changing address of the hash
+ * table to be an absolute address. This is only done for libraries - not for
+ * executables.
+ *
+ * Solaris tools expect the relative address to remain relative, so
+ * here we will modify the in-memory ELF image so that it once again
+ * contains relative addresses.
+ *
+ * To accomplish this, we walk through all sections in the target.
+ * Linux sections are identified by pointing to the linux linker or libc in the
+ * DT_NEEDED section. For all matching sections, we subtract the segment
+ * base address to get back to relative addresses.
+ */
+static rd_err_e
+lx_ldb_get_dyns32(rd_helper_data_t rhd,
+    psaddr_t addr, void **dynpp, size_t *dynpp_sz)
+{
+	lx_rd_t			*lx_rd = (lx_rd_t *)rhd;
+	rd_agent_t		*rap = lx_rd->lr_rap;
+	Elf32_Ehdr		ehdr;
+	Elf32_Dyn		*dynp = NULL;
+	size_t			dynp_sz;
+	uint_t			ndyns;
+	int			i;
+
+	ps_plog("lx_ldb_get_dyns: invoked for object at 0x%p", addr);
+
+	/* Read in a copy of the ehdr */
+	if (_rd_get_ehdr32(rap, addr, &ehdr, NULL) != RD_OK) {
+		ps_plog("lx_ldb_get_dyns: _rd_get_ehdr() failed");
+		return (RD_ERR);
+	}
+
+	/* read out the PT_DYNAMIC elements for this object */
+	if (_rd_get_dyns32(rap, addr, &dynp, &dynp_sz) != RD_OK) {
+		ps_plog("lx_ldb_get_dyns: _rd_get_dyns() failed");
+		return (RD_ERR);
+	}
+
+	/*
+	 * From here on out if we encounter an error we'll just return
+	 * success and pass back the unmolested dynamic elements that
+	 * we've already obtained.
+	 */
+	if (dynpp != NULL)
+		*dynpp = dynp;
+	if (dynpp_sz != NULL)
+		*dynpp_sz = dynp_sz;
+	ndyns = dynp_sz / sizeof (Elf32_Dyn);
+
+	/* If this isn't a dynamic object, there's nothing left todo */
+	if (ehdr.e_type != ET_DYN) {
+		ps_plog("lx_ldb_get_dyns: done: not a shared object");
+		return (RD_OK);
+	}
+
+	/*
+	 * Before we blindly start changing dynamic section addresses
+	 * we need to figure out if the current object that we're looking
+	 * at is a linux object or a solaris object.  To do this first
+	 * we need to find the string tab dynamic section element.
+	 */
+	for (i = 0; i < ndyns; i++) {
+		if (dynp[i].d_tag == DT_STRTAB)
+			break;
+	}
+	if (i == ndyns) {
+		ps_plog("lx_ldb_get_dyns: "
+		    "failed to find string tab in the dynamic section");
+		return (RD_OK);
+	}
+
+	/*
+	 * Check if the strtab value looks like an offset or an address.
+	 * It's an offset if the value is less then the base address that
+	 * the object is loaded at, or if the value is less than the offset
+	 * of the section headers in the same elf object.  This check isn't
+	 * perfect, but in practice it's good enough.
+	 */
+	if ((dynp[i].d_un.d_ptr < addr) ||
+	    (dynp[i].d_un.d_ptr < ehdr.e_shoff)) {
+		ps_plog("lx_ldb_get_dyns: "
+		    "doesn't appear to be an lx object");
+		return (RD_OK);
+	}
+
+	/*
+	 * This seems to be a a linux object, so we'll patch up the dynamic
+	 * section addresses
+	 */
+	ps_plog("lx_ldb_get_dyns: "
+	    "patching up lx object dynamic section addresses");
+	for (i = 0; i < ndyns; i++) {
+		switch (dynp[i].d_tag) {
+		case DT_PLTGOT:
+		case DT_HASH:
+		case DT_STRTAB:
+		case DT_SYMTAB:
+		case DT_RELA:
+		case DT_REL:
+		case DT_DEBUG:
+		case DT_JMPREL:
+		case DT_VERSYM:
+			if (dynp[i].d_un.d_val > addr) {
+				dynp[i].d_un.d_ptr -= addr;
+			}
+			break;
+		default:
+			break;
+		}
+	}
+	return (RD_OK);
+}
+
+static void
+lx_ldb_fini32(rd_helper_data_t rhd)
+{
+	lx_rd_t *lx_rd = (lx_rd_t *)rhd;
+	ps_plog("lx_ldb_fini: cleaning up lx helper");
+	free(lx_rd);
+}
+
+/*
+ * The linux linker has an r_debug structure somewhere in its data section that
+ * contains the address of the head of the link map list. To find this, we will
+ * use the DT_DEBUG token in the executable's dynamic section. The linux linker
+ * wrote the address of its r_debug structure to the DT_DEBUG dynamic entry. We
+ * get the address of the executable's program headers from the
+ * AT_SUN_BRAND_LX_PHDR aux vector entry. From there, we calculate the
+ * address of the Elf header, and from there we can easily get to the DT_DEBUG
+ * entry.
+ */
+static rd_helper_data_t
+lx_ldb_init32(rd_agent_t *rap, struct ps_prochandle *php)
+{
+	lx_rd_t		*lx_rd;
+	uint32_t	addr, phdr_addr, dyn_addr;
+	uint32_t	symtab, strtab, offs;
+	uint32_t	vaddr, memsz;
+	caddr_t		mem;
+	Elf32_Dyn	*dyn;
+	Elf32_Phdr	phdr, *ph, *dph, *phdrs;
+	Elf32_Ehdr	ehdr;
+	Elf32_Sym	*sym;
+	int		i, dyn_count;
+
+	lx_rd = calloc(sizeof (lx_rd_t), 1);
+	if (lx_rd == NULL) {
+		ps_plog("lx_ldb_init: cannot allocate memory");
+		return (NULL);
+	}
+	lx_rd->lr_rap = rap;
+	lx_rd->lr_php = php;
+
+	phdr_addr = lx_ldb_getauxval32(php, AT_SUN_BRAND_LX_PHDR);
+	if (phdr_addr == (uint32_t)-1) {
+		ps_plog("lx_ldb_init: no LX_PHDR found in aux vector");
+		return (NULL);
+	}
+	ps_plog("lx_ldb_init: found LX_PHDR auxv phdr at: 0x%p",
+	    phdr_addr);
+
+	if (ps_pread(php, phdr_addr, &phdr, sizeof (phdr)) != PS_OK) {
+		ps_plog("lx_ldb_init: couldn't read phdr at 0x%p",
+		    phdr_addr);
+		free(lx_rd);
+		return (NULL);
+	}
+
+	/* The ELF header should be before the program header in memory */
+	lx_rd->lr_exec = addr = phdr_addr - phdr.p_offset;
+	if (ps_pread(php, addr, &ehdr, sizeof (ehdr)) != PS_OK) {
+		ps_plog("lx_ldb_init: couldn't read ehdr at 0x%p",
+		    lx_rd->lr_exec);
+		free(lx_rd);
+		return (NULL);
+	}
+	ps_plog("lx_ldb_init: read ehdr at: 0x%p", addr);
+	ps_plog("lx_ldb_init: ehdr t %d ent 0x%p poff 0x%p psize %d pnum %d",
+	    ehdr.e_type, ehdr.e_entry, ehdr.e_phoff, ehdr.e_phentsize,
+	    ehdr.e_phnum);
+
+	if ((phdrs = malloc(ehdr.e_phnum * ehdr.e_phentsize)) == NULL) {
+		ps_plog("lx_ldb_init: couldn't alloc phdrs memory");
+		free(lx_rd);
+		return (NULL);
+	}
+
+	if (ps_pread(php, phdr_addr, phdrs, ehdr.e_phnum * ehdr.e_phentsize) !=
+	    PS_OK) {
+		ps_plog("lx_ldb_init: couldn't read phdrs at 0x%p",
+		    phdr_addr);
+		free(lx_rd);
+		free(phdrs);
+		return (NULL);
+	}
+
+	/* program headers */
+	ps_plog("lx_ldb_init: read %d phdrs at: 0x%p",
+	    ehdr.e_phnum, phdr_addr);
+
+	for (i = 0, ph = phdrs; i < ehdr.e_phnum; i++,
+	    /*LINTED */
+	    ph = (Elf32_Phdr *)((char *)ph + ehdr.e_phentsize)) {
+		ps_plog("lx_ldb_init: ph[%d] 0x%p type %d", i,
+		    (phdr_addr + ((char *)ph - (char *)phdrs)), ph->p_type);
+		if (ph->p_type == PT_DYNAMIC)
+			break;
+	}
+	if (i == ehdr.e_phnum) {
+		ps_plog("lx_ldb_init: no PT_DYNAMIC in executable");
+		free(lx_rd);
+		free(phdrs);
+		return (NULL);
+	}
+	ps_plog("lx_ldb_init: found PT_DYNAMIC phdr[%d] at: 0x%p",
+	    i, (phdr_addr + ((char *)ph - (char *)phdrs)));
+	ps_plog("lx_ldb_init: ph t 0x%x f 0x%x o 0x%p v 0x%p s %d",
+	    ph->p_type, ph->p_flags, ph->p_offset, ph->p_vaddr, ph->p_filesz);
+
+	if ((dyn = malloc(ph->p_filesz)) == NULL) {
+		ps_plog("lx_ldb_init: couldn't alloc for PT_DYNAMIC");
+		free(lx_rd);
+		free(phdrs);
+		return (NULL);
+	}
+
+	/*
+	 * Unclear why the dyn_addr works sometimes with one value and
+	 * sometimes for the other, so we handle both cases.
+	 */
+
+	dyn_count = ph->p_filesz / sizeof (Elf32_Dyn);
+	ps_plog("lx_ldb_init: dyn_count %d %d", dyn_count, sizeof (Elf32_Dyn));
+	dyn_addr = addr + ph->p_vaddr;
+	ps_plog("lx_ldb_init: dyn_addr 0x%p 0x%x = 0x%p",
+	    addr, ph->p_offset, dyn_addr);
+	if (ps_pread(php, dyn_addr, dyn, ph->p_filesz) != PS_OK) {
+		ps_plog("lx_ldb_init: couldn't read dynamic at 0x%p, "
+		    "trying dyn_addr 0x%p",
+		    dyn_addr, ph->p_vaddr);
+
+		dyn_addr = ph->p_vaddr;
+		if (ps_pread(php, dyn_addr, dyn, ph->p_filesz) != PS_OK) {
+			ps_plog("lx_ldb_init: couldn't read dynamic at 0x%p",
+			    dyn_addr);
+
+			free(lx_rd);
+			free(phdrs);
+			free(dyn);
+			return (NULL);
+		}
+	}
+	ps_plog("lx_ldb_init: read %d dynamic headers at: 0x%p",
+	    dyn_count, dyn_addr);
+
+	for (i = 0; i < dyn_count; i++) {
+		if (dyn[i].d_tag == DT_DEBUG) {
+			lx_rd->lr_rdebug = dyn[i].d_un.d_ptr;
+			break;
+		}
+	}
+	free(phdrs);
+	free(dyn);
+
+	if (lx_rd->lr_rdebug != 0) {
+		ps_plog("lx_ldb_init: found DT_DEBUG: 0x%p", lx_rd->lr_rdebug);
+		return ((rd_helper_data_t)lx_rd);
+	}
+
+	ps_plog("lx_ldb_init: no DT_DEBUG found in exe; looking for r_debug");
+
+	/*
+	 * If we didn't find DT_DEBUG, we're going to employ the same fallback
+	 * as gdb:  pawing through the dynamic linker's symbol table looking
+	 * for the r_debug symbol.
+	 */
+	addr = lx_ldb_getauxval32(php, AT_SUN_BRAND_LX_INTERP);
+
+	if (addr == (uint32_t)-1) {
+		ps_plog("lx_ldb_init: no interpreter; failing");
+		free(lx_rd);
+		return (NULL);
+	}
+
+	ps_plog("lx_ldb_init: reading interp ehdr at 0x%p", addr);
+
+	if (ps_pread(php, addr, &ehdr, sizeof (ehdr)) != PS_OK) {
+		ps_plog("lx_ldb_init: couldn't read interp ehdr at 0x%p", addr);
+		free(lx_rd);
+		return (NULL);
+	}
+
+	if (ehdr.e_type != ET_DYN) {
+		ps_plog("lx_ldb_init: interp ehdr not of type ET_DYN");
+		free(lx_rd);
+		return (NULL);
+	}
+
+	phdr_addr = addr + ehdr.e_phoff;
+
+	if ((phdrs = malloc(ehdr.e_phnum * ehdr.e_phentsize)) == NULL) {
+		ps_plog("lx_ldb_init: couldn't alloc interp phdrs memory");
+		free(lx_rd);
+		return (NULL);
+	}
+
+	if (ps_pread(php, phdr_addr, phdrs,
+	    ehdr.e_phnum * ehdr.e_phentsize) != PS_OK) {
+		ps_plog("lx_ldb_init: couldn't read interp phdrs at 0x%p",
+		    phdr_addr);
+		free(lx_rd);
+		free(phdrs);
+		return (NULL);
+	}
+
+	ps_plog("lx_ldb_init: read %d interp phdrs at: 0x%p",
+	    ehdr.e_phnum, phdr_addr);
+
+	vaddr = (uint32_t)-1;
+	memsz = 0;
+
+	for (i = 0, ph = phdrs, dph = NULL; i < ehdr.e_phnum; i++,
+	    /*LINTED */
+	    ph = (Elf32_Phdr *)((char *)ph + ehdr.e_phentsize)) {
+		/*
+		 * Keep track of our lowest PT_LOAD address, as this segment
+		 * contains the DT_SYMTAB and DT_STRTAB.
+		 */
+		if (ph->p_type == PT_LOAD && ph->p_vaddr < vaddr) {
+			vaddr = ph->p_vaddr;
+			memsz = ph->p_memsz;
+		}
+
+		if (ph->p_type == PT_DYNAMIC)
+			dph = ph;
+	}
+
+	if (vaddr == (uint32_t)-1 || memsz == 0) {
+		ps_plog("lx_ldb_init: no PT_LOAD section in interp");
+		free(lx_rd);
+		free(phdrs);
+		return (NULL);
+	}
+
+	ps_plog("lx_ldb_init: found interp PT_LOAD to be %d bytes at 0x%p",
+	    memsz, vaddr);
+
+	if ((ph = dph) == NULL) {
+		ps_plog("lx_ldb_init: no PT_DYNAMIC in interp");
+		free(lx_rd);
+		free(phdrs);
+		return (NULL);
+	}
+
+	ps_plog("lx_ldb_init: found interp PT_DYNAMIC phdr[%d] at: 0x%p",
+	    i, (phdr_addr + ((char *)ph - (char *)phdrs)));
+
+	if ((dyn = malloc(ph->p_filesz)) == NULL) {
+		ps_plog("lx_ldb_init: couldn't alloc for interp PT_DYNAMIC");
+		free(lx_rd);
+		free(phdrs);
+		return (NULL);
+	}
+
+	dyn_addr = addr + ph->p_offset;
+	dyn_count = ph->p_filesz / sizeof (Elf32_Dyn);
+
+	if (ps_pread(php, dyn_addr, dyn, ph->p_filesz) != PS_OK) {
+		ps_plog("lx_ldb_init: couldn't read interp dynamic at 0x%p",
+		    dyn_addr);
+		free(lx_rd);
+		free(phdrs);
+		free(dyn);
+		return (NULL);
+	}
+
+	free(phdrs);
+
+	ps_plog("lx_ldb_init: read %d interp dynamic headers at: 0x%p",
+	    dyn_count, dyn_addr);
+
+	/*
+	 * As noted in lx_ldb_get_dyns32(), in Linux, the PT_DYNAMIC table
+	 * is adjusted to represent absolute addresses instead of offsets.
+	 * This is not true for the interpreter, however -- where the values
+	 * will be represented as offsets from the lowest PT_LOAD p_vaddr.
+	 */
+	symtab = strtab = (uint32_t)-1;
+
+	for (i = 0; i < dyn_count; i++) {
+		if (dyn[i].d_tag == DT_STRTAB)
+			strtab = dyn[i].d_un.d_ptr - vaddr;
+
+		if (dyn[i].d_tag == DT_SYMTAB)
+			symtab = dyn[i].d_un.d_ptr - vaddr;
+	}
+
+	free(dyn);
+
+	if (strtab == (uint32_t)-1 || strtab > memsz) {
+		ps_plog("lx_ldb_init: didn't find valid interp strtab");
+		free(lx_rd);
+		return (NULL);
+	}
+
+	if (symtab == (uint32_t)-1 || symtab > memsz) {
+		ps_plog("lx_ldb_init: didn't find valid interp symtab");
+		free(lx_rd);
+		return (NULL);
+	}
+
+	ps_plog("lx_ldb_init: strtab is 0x%p, symtab is 0x%p",
+	    addr + strtab, addr + symtab);
+
+	if ((mem = malloc(memsz)) == NULL) {
+		ps_plog("lx_ldb_init: couldn't allocate interp "
+		    "buffer of 0x%p bytes", memsz);
+		free(lx_rd);
+		return (NULL);
+	}
+
+	if (ps_pread(php, addr, mem, memsz) != PS_OK) {
+		ps_plog("lx_ldb_init: couldn't read interp at 0x%p", addr);
+		free(lx_rd);
+		free(mem);
+		return (NULL);
+	}
+
+	/*
+	 * We make an assumption that is made elsewhere in the Linux linker:
+	 * that the DT_SYMTAB immediately precedes the DT_STRTAB.
+	 */
+	for (offs = symtab; offs < strtab; offs += sizeof (Elf32_Sym)) {
+		uint32_t p;
+
+		sym = (Elf32_Sym *)&mem[offs];
+
+		if (sym->st_name > memsz) {
+			ps_plog("lx_ldb_init: invalid st_name at sym 0x%p",
+			    addr + offs);
+			continue;
+		}
+
+		p = sym->st_name;
+
+		if (strtab + p > memsz) {
+			ps_plog("lx_ldb_init: invalid symbol address 0x%p, "
+			    "memsz 0x%p", strtab + p, memsz);
+			continue;
+		}
+
+		if (mem[strtab + p] == '\0')
+			continue;
+
+		/* Sometimes we're pointing into the middle of a symbol? */
+		while ((strtab + p) > 0 && (strtab + p) < memsz &&
+		    mem[strtab + p] != '\0')
+			p--;
+		p++;
+
+		ps_plog("lx_ldb_init: interp symbol (0x%p) %s",
+		    strtab + p, &mem[strtab + p]);
+
+		if (strcmp(&mem[strtab + p], "_r_debug") == 0)
+			break;
+	}
+
+	if (offs >= strtab) {
+		ps_plog("lx_ldb_init: no _r_debug found in interpreter");
+		free(mem);
+		free(lx_rd);
+		return (NULL);
+	}
+
+	lx_rd->lr_rdebug = (sym->st_value - vaddr) + addr;
+	ps_plog("lx_ldb_init: found _r_debug at 0x%p", lx_rd->lr_rdebug);
+	free(mem);
+
+	return ((rd_helper_data_t)lx_rd);
+}
+
+/*
+ * Given the address of an ELF object in the target, return its size and
+ * the proper link map ID.
+ */
+static size_t
+lx_elf_props32(struct ps_prochandle *php, uint32_t addr, psaddr_t *data_addr)
+{
+	Elf32_Ehdr	ehdr;
+	Elf32_Phdr	*phdrs, *ph;
+	int		i;
+	uint32_t	min = (uint32_t)-1;
+	uint32_t	max = 0;
+	size_t		sz = NULL;
+
+	if (ps_pread(php, addr, &ehdr, sizeof (ehdr)) != PS_OK) {
+		ps_plog("lx_elf_props: Couldn't read ELF header at 0x%p",
+		    addr);
+		return (0);
+	}
+
+	if ((phdrs = malloc(ehdr.e_phnum * ehdr.e_phentsize)) == NULL)
+		return (0);
+
+	if (ps_pread(php, addr + ehdr.e_phoff, phdrs, ehdr.e_phnum *
+	    ehdr.e_phentsize) != PS_OK) {
+		ps_plog("lx_elf_props: Couldn't read program headers at 0x%p",
+		    addr + ehdr.e_phoff);
+		return (0);
+	}
+
+	for (i = 0, ph = phdrs; i < ehdr.e_phnum; i++,
+	    /*LINTED */
+	    ph = (Elf32_Phdr *)((char *)ph + ehdr.e_phentsize)) {
+
+		if (ph->p_type != PT_LOAD)
+			continue;
+
+		if ((ph->p_flags & (PF_W | PF_R)) == (PF_W | PF_R)) {
+			*data_addr = ph->p_vaddr;
+			if (ehdr.e_type == ET_DYN)
+				*data_addr += addr;
+			if (*data_addr & (ph->p_align - 1))
+				*data_addr = *data_addr & (~(ph->p_align -1));
+		}
+
+		if (ph->p_vaddr < min)
+			min = ph->p_vaddr;
+
+		if (ph->p_vaddr > max) {
+			max = ph->p_vaddr;
+			sz = ph->p_memsz + max - min;
+			if (sz & (ph->p_align - 1))
+				sz = (sz & (~(ph->p_align - 1))) + ph->p_align;
+		}
+	}
+
+	free(phdrs);
+	return (sz);
+}
+
+static int
+lx_ldb_loadobj_iter32(rd_helper_data_t rhd, rl_iter_f *cb, void *client_data)
+{
+	lx_rd_t			*lx_rd = (lx_rd_t *)rhd;
+	struct ps_prochandle	*php = lx_rd->lr_php;
+	lx_r_debug_t		r_debug;
+	lx_link_map_t		map;
+	uint32_t		p = NULL;
+	int			rc;
+	rd_loadobj_t		exec;
+
+	if ((rc = ps_pread(php, (psaddr_t)lx_rd->lr_rdebug, &r_debug,
+	    sizeof (r_debug))) != PS_OK) {
+		ps_plog("lx_ldb_loadobj_iter: "
+		    "Couldn't read linux r_debug at 0x%p", lx_rd->lr_rdebug);
+		return (rc);
+	}
+
+	p = r_debug.r_map;
+
+	/*
+	 * The first item on the link map list is for the executable, but it
+	 * doesn't give us any useful information about it. We need to
+	 * synthesize a rd_loadobj_t for the client.
+	 *
+	 * Linux doesn't give us the executable name, so we'll get it from
+	 * the AT_EXECNAME entry instead.
+	 */
+	if ((rc = ps_pread(php, (psaddr_t)p, &map, sizeof (map))) != PS_OK) {
+		ps_plog("lx_ldb_loadobj_iter: "
+		    "Couldn't read linux link map at 0x%p", p);
+		return (rc);
+	}
+
+	bzero(&exec, sizeof (exec));
+	exec.rl_base = lx_rd->lr_exec;
+	exec.rl_dynamic = map.lxm_ld;
+	exec.rl_nameaddr = lx_ldb_getauxval32(php, AT_SUN_EXECNAME);
+	exec.rl_lmident = LM_ID_BASE;
+
+	exec.rl_bend = exec.rl_base +
+	    lx_elf_props32(php, lx_rd->lr_exec, &exec.rl_data_base);
+
+	if ((*cb)(&exec, client_data) == 0) {
+		ps_plog("lx_ldb_loadobj_iter: "
+		    "client callb failed for executable");
+		return (PS_ERR);
+	}
+	ps_plog("lx_ldb_loadobj_iter: exec base 0x%p dyn 0x%p",
+	    exec.rl_base, exec.rl_dynamic);
+
+	for (p = map.lxm_next; p != NULL; p = map.lxm_next) {
+		rd_loadobj_t	obj;
+
+		if ((rc = ps_pread(php, (psaddr_t)p, &map, sizeof (map))) !=
+		    PS_OK) {
+			ps_plog("lx_ldb_loadobj_iter: "
+			    "Couldn't read lk map at %p", p);
+			return (rc);
+		}
+
+		/*
+		 * The linux link map has less information than the Solaris one.
+		 * We need to go fetch the missing information from the ELF
+		 * headers.
+		 */
+
+		obj.rl_nameaddr = (psaddr_t)map.lxm_name;
+		obj.rl_base = map.lxm_addr;
+		obj.rl_refnameaddr = (psaddr_t)map.lxm_name;
+		obj.rl_plt_base = NULL;
+		obj.rl_plt_size = 0;
+		obj.rl_lmident = LM_ID_BASE;
+
+		ps_plog("lx_ldb_loadobj_iter: map base 0x%p 0x%p",
+		    obj.rl_base, obj.rl_nameaddr);
+
+		/*
+		 * Ugh - we have to walk the ELF stuff, find the PT_LOAD
+		 * sections, and calculate the end of the file's mappings
+		 * ourselves.
+		 */
+
+		obj.rl_bend = map.lxm_addr +
+		    lx_elf_props32(php, map.lxm_addr, &obj.rl_data_base);
+		obj.rl_padstart = obj.rl_base;
+		obj.rl_padend = obj.rl_bend;
+		obj.rl_dynamic = map.lxm_ld;
+		obj.rl_tlsmodid = 0;
+
+		ps_plog("lx_ldb_loadobj_iter: 0x%p to 0x%p",
+		    obj.rl_base, obj.rl_bend);
+
+		if ((*cb)(&obj, client_data) == 0) {
+			ps_plog("lx_ldb_loadobj_iter: "
+			    "Client callback failed on %s", map.lxm_name);
+			return (rc);
+		}
+	}
+	return (RD_OK);
+}
+
+/*
+ * Librtld_db plugin linkage struct.
+ *
+ * When we get loaded by librtld_db, it will look for the symbol below
+ * to find our plugin entry points.
+ */
+rd_helper_ops_t RTLD_DB_BRAND_OPS = {
+	LM_ID_BRAND,
+	lx_ldb_init32,
+	lx_ldb_fini32,
+	lx_ldb_loadobj_iter32,
+	lx_ldb_get_dyns32
+};
diff --git a/usr/src/lib/brand/lx/librtld_db/common/mapfile-vers b/usr/src/lib/brand/lx/librtld_db/common/mapfile-vers
new file mode 100644
index 0000000000..5e328d6075
--- /dev/null
+++ b/usr/src/lib/brand/lx/librtld_db/common/mapfile-vers
@@ -0,0 +1,58 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+{
+	global:
+		rtld_db_brand_ops32;
+	local:
+		*;
+};
+
+#Externally defined symbols
+{
+    global:
+	ps_pauxv =		NODIRECT PARENT;
+	ps_pdmodel =		NODIRECT PARENT;
+	ps_pglobal_lookup =	NODIRECT PARENT;
+	ps_pglobal_sym =	NODIRECT PARENT;
+	ps_plog =		NODIRECT PARENT;
+	ps_pread =		NODIRECT PARENT;
+	ps_pwrite =		NODIRECT PARENT;
+};
diff --git a/usr/src/lib/brand/lx/librtld_db/i386/Makefile b/usr/src/lib/brand/lx/librtld_db/i386/Makefile
new file mode 100644
index 0000000000..b5f780c072
--- /dev/null
+++ b/usr/src/lib/brand/lx/librtld_db/i386/Makefile
@@ -0,0 +1,33 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+#ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include ../Makefile.com
+
+CLOBBERFILES =	$(ROOTLIBDIR)/$(DYNLIB)
+
+install: all $(ROOTLIBS)
diff --git a/usr/src/lib/brand/lx/lx_brand/Makefile b/usr/src/lib/brand/lx/lx_brand/Makefile
new file mode 100644
index 0000000000..fc217b672c
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/Makefile
@@ -0,0 +1,49 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+# Copyright 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../../../Makefile.lib
+
+default:	all
+
+SUBDIRS=	$(MACH)
+$(BUILD64)SUBDIRS += $(MACH64)
+
+all :=          TARGET= all
+clean :=        TARGET= clean
+clobber :=      TARGET= clobber
+install :=      TARGET= install
+lint :=         TARGET= lint
+_msg :=		TARGET= _msg
+
+.KEEP_STATE:
+
+all install clean clobber lint _msg:	$(SUBDIRS)
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
diff --git a/usr/src/lib/brand/lx/lx_brand/Makefile.com b/usr/src/lib/brand/lx/lx_brand/Makefile.com
new file mode 100644
index 0000000000..b18dd35eeb
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/Makefile.com
@@ -0,0 +1,106 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+# Copyright 2015 Joyent, Inc.
+#
+
+LX_CMN  =	$(SRC)/common/brand/lx
+
+LIBRARY =	lx_brand.a
+VERS	=	.1
+COBJS	=	aio.o			\
+		capabilities.o		\
+		clock.o			\
+		clone.o			\
+		debug.o			\
+		dir.o			\
+		file.o			\
+		fcntl.o			\
+		fork.o			\
+		id.o			\
+		iovec.o			\
+		lx_brand.o		\
+		lx_thunk_server.o	\
+		mem.o			\
+		misc.o			\
+		module.o		\
+		mount.o			\
+		mount_nfs.o		\
+		pgrp.o			\
+		poll_select.o		\
+		priority.o		\
+		ptrace.o		\
+		sched.o			\
+		sendfile.o		\
+		signal.o		\
+		socket.o		\
+		stack.o			\
+		stat.o			\
+		statfs.o		\
+		sysctl.o		\
+		sysv_ipc.o		\
+		time.o			\
+		truncate.o
+
+CMNOBJS =	lx_errno.o		\
+		lx_signum.o
+ASOBJS	=	lx_handler.o lx_crt.o
+OBJECTS	=	$(CMNOBJS) $(COBJS) $(ASOBJS)
+
+USDT_PROVIDERS =	lx_provider.d
+
+include ../../Makefile.lx
+include ../../../../Makefile.lib
+
+CSRCS   =	$(COBJS:%o=../common/%c) $(CMNOBJS:%o=$(LX_CMN)/%c)
+ASSRCS  =	$(ASOBJS:%o=$(ISASRCDIR)/%s)
+SRCS    =	$(CSRCS) $(ASSRCS)
+
+SRCDIR =	../common
+UTSBASE	=	../../../../../uts
+
+LIBS =		$(DYNLIB)
+LDLIBS +=	-lc -lsocket -lmapmalloc -lproc -lrtld_db -lrpcsvc -lnsl
+DYNFLAGS +=	$(DYNFLAGS_$(CLASS))
+DYNFLAGS +=	$(BLOCAL) $(ZNOVERSION) -Wl,-e_start -M../common/mapfile
+CFLAGS +=	$(CCVERBOSE)
+CPPFLAGS +=	-D_REENTRANT -I. -I../ -I$(UTSBASE)/common/brand/lx -I$(LX_CMN)
+ASFLAGS =	-P $(ASFLAGS_$(CURTYPE)) -D_ASM -I../	\
+			-I$(UTSBASE)/common/brand/lx
+
+.KEEP_STATE:
+
+all: $(LIBS)
+
+lint: lintcheck
+
+include ../../../../Makefile.targ
+include ../../../../Makefile.usdt
+
+pics/%.o: $(ISASRCDIR)/%.s
+	$(COMPILE.s) -o $@ $<
+	$(POST_PROCESS_O)
+
+pics/%.o: $(LX_CMN)/%.c
+	$(COMPILE.c) -o $@ $<
+	$(POST_PROCESS_O)
diff --git a/usr/src/lib/brand/lx/lx_brand/amd64/Makefile b/usr/src/lib/brand/lx/lx_brand/amd64/Makefile
new file mode 100644
index 0000000000..664cb8de56
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/amd64/Makefile
@@ -0,0 +1,51 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+# Copyright 2014 Joyent, Inc.  All rights reserved.
+#
+#
+# lib/brand/lx/amd64/Makefile
+
+ISASRCDIR=.
+
+ASFLAGS	+= -P -D_ASM
+
+include ../Makefile.com
+include $(SRC)/lib/Makefile.lib.64
+
+DYNFLAGS +=	-Wl,-I/native/lib/64/ld.so.1
+CPPFLAGS +=	-D_SYSCALL32
+
+POFILE=		lx_brand.po
+MSGFILES=	$(CSRCS)
+
+ASSYMDEP_OBJS = lx_handler.o
+
+$(ASSYMDEP_OBJS:%=pics/%): assym.h
+
+OFFSETS = ../$(MACH64)/offsets.in
+
+assym.h: $(OFFSETS)
+	$(OFFSETS_CREATE) $(CTF_FLAGS) < $(OFFSETS) > $@
+
+CLOBBERFILES += assym.h
+
+install: all $(ROOTLIBS64)
+
+$(POFILE): $(MSGFILES)
+	$(BUILDPO.msgfiles)
+
+_msg: $(MSGDOMAINPOFILE)
+
+include $(SRC)/Makefile.msg.targ
diff --git a/usr/src/lib/brand/lx/lx_brand/amd64/lx_crt.s b/usr/src/lib/brand/lx/lx_brand/amd64/lx_crt.s
new file mode 100644
index 0000000000..13a88a3d50
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/amd64/lx_crt.s
@@ -0,0 +1,62 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/asm_linkage.h>
+
+#if defined(lint)
+
+void
+_start(void)
+{
+}
+
+#else	/* lint */
+
+	/*
+	 * C language startup routine for the lx brand shared library.
+	 *
+	 * That routine expects to be called with the following arguments:
+	 *	brand_init(int argc, char *argv[], char *envp[])
+	 *
+	 * There are no arguments explicitly passed to this entry point,
+	 * routine, but we do know how our initial stack has been setup by
+	 * the kernel.  The stack format is documented in:
+	 * 	usr/src/cmd/sgs/rtld/amd64/boot.s
+	 *
+	 * So this routine will troll through the stack to setup the argument
+	 * values for the common brand library startup routine and then invoke
+	 * it.  This routine is modeled after the default crt1.s`_start()
+	 * routines.
+	 */
+	ENTRY_NP(_start)
+	pushq	$0			/ Build a stack frame. retpc = NULL
+	pushq	$0			/ fp = NULL
+	movq	%rsp, %rbp		/ first stack frame
+
+	/*
+	 * Calculate the location of the envp array by adding the size of
+	 * the argv array to the start of the argv array.
+	 */
+	movq	16(%rbp), %rdi		/ argc in %rdi (1st param)
+	leaq	24(%rbp), %rsi		/ &argv[0] in %rsi (2nd param)
+	leaq	32(%rbp,%rdi,8), %rdx	/ envp in %rdx (3rd param)
+	call	lx_init
+
+	/* lx_init will never return. */
+	/*NOTREACHED*/
+	SET_SIZE(_start)
+#endif	/* lint */
diff --git a/usr/src/lib/brand/lx/lx_brand/amd64/lx_handler.s b/usr/src/lib/brand/lx/lx_brand/amd64/lx_handler.s
new file mode 100644
index 0000000000..33978c08dd
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/amd64/lx_handler.s
@@ -0,0 +1,55 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/asm_linkage.h>
+#include <sys/regset.h>
+#include <sys/segments.h>
+#include <sys/syscall.h>
+#include <sys/lx_brand.h>
+
+#if defined(_ASM)
+#include <sys/lx_signal.h>
+#include <sys/lx_syscall.h>
+#endif	/* _ASM */
+
+#include "assym.h"
+
+/* 64-bit signal syscall numbers */
+#define	LX_SYS_rt_sigreturn	15
+
+#if defined(lint)
+
+#include <sys/types.h>
+#include <sys/regset.h>
+#include <sys/signal.h>
+
+void
+lx_rt_sigreturn_tramp(void)
+{}
+
+#else	/* lint */
+
+	/*
+	 * Trampoline code is called by the return at the end of a Linux
+	 * signal handler to return control to the interrupted application
+	 * via the lx_rt_sigreturn() syscall.
+	 */
+	ENTRY_NP(lx_rt_sigreturn_tramp)
+	movq	$LX_SYS_rt_sigreturn, %rax
+	syscall
+	SET_SIZE(lx_rt_sigreturn_tramp)
+
+#endif	/* lint */
diff --git a/usr/src/lib/brand/lx/lx_brand/amd64/offsets.in b/usr/src/lib/brand/lx/lx_brand/amd64/offsets.in
new file mode 100644
index 0000000000..207063a886
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/amd64/offsets.in
@@ -0,0 +1,43 @@
+\
+\ This file and its contents are supplied under the terms of the
+\ Common Development and Distribution License ("CDDL"), version 1.0.
+\ You may only use this file in accordance with the terms of version
+\ 1.0 of the CDDL.
+\
+\ A full copy of the text of the CDDL should have accompanied this
+\ source.  A copy of the CDDL is also available via the Internet at
+\ http://www.illumos.org/license/CDDL.
+\
+\ Copyright 2014 Joyent, Inc.  All rights reserved.
+\
+
+#include <sys/lx_brand.h>
+#include <sys/lx_sigstack.h>
+
+lx_regs_t	SIZEOF_LX_REGS_T
+	lxr_fs
+	lxr_rdi
+	lxr_rsi
+	lxr_rbp
+	lxr_rsp
+	lxr_rbx
+	lxr_rdx
+	lxr_rcx
+	lxr_rax
+	lxr_r8
+	lxr_r9
+	lxr_r10
+	lxr_r11
+	lxr_r12
+	lxr_r13
+	lxr_r14
+	lxr_r15
+	lxr_rip
+	lxr_orig_rax
+
+lx_sigstack_t	SIZEOF_LX_SIGSTACK_T
+	retaddr
+	si
+	uc
+	fpstate
+	pad
diff --git a/usr/src/lib/brand/lx/lx_brand/common/aio.c b/usr/src/lib/brand/lx/lx_brand/common/aio.c
new file mode 100644
index 0000000000..36c7cf3afb
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/aio.c
@@ -0,0 +1,516 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/syscall.h>
+#include <sys/types.h>
+#include <sys/errno.h>
+#include <sys/mman.h>
+#include <thread.h>
+#include <synch.h>
+#include <port.h>
+#include <aio.h>
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include <strings.h>
+#include <sys/lx_types.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_stat.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_aio.h>
+
+/*
+ * We implement the Linux asynchronous I/O system calls by using the POSIX
+ * asynchronous I/O facilities together with event port notification.  This
+ * approach allows us to broadly approximate Linux semantics, but see
+ * lx_io_cancel() for some limitations.
+ */
+
+struct lx_aiocb {
+	struct aiocb	lxaiocb_cb;		/* POSIX AIO control block */
+	struct lx_aiocb *lxaiocb_next;		/* next outstanding/free I/O */
+	struct lx_aiocb	*lxaiocb_prev;		/* prev outstanding I/O */
+	uintptr_t	lxaiocb_iocbp;		/* pointer to lx_iocb_t */
+	uintptr_t	lxaiocb_data;		/* data payload */
+};
+
+struct lx_aio_context {
+	mutex_t		lxaio_lock;		/* lock protecting context */
+	boolean_t	lxaio_destroying;	/* boolean: being destroyed */
+	cond_t		lxaio_destroyer;	/* destroyer's condvar */
+	int		lxaio_waiters;		/* number of waiters */
+	size_t		lxaio_size;		/* total size of mapping */
+	int		lxaio_port;		/* port for completion */
+	lx_aiocb_t	*lxaio_outstanding;	/* outstanding I/O */
+	lx_aiocb_t	*lxaio_free;		/* free I/O control blocks */
+	int		lxaio_nevents;		/* max number of events */
+};
+
+int lx_aio_max_nr = 65536;
+
+long
+lx_io_setup(unsigned int nr_events, lx_aio_context_t **ctxp)
+{
+	lx_aio_context_t *ctx;
+	lx_aiocb_t *lxcbs;
+	uintptr_t check;
+	size_t size;
+	int i;
+
+	if (uucopy(ctxp, &check, sizeof (ctxp)) != 0)
+		return (-EFAULT);
+
+	if (check != NULL || nr_events == 0 || nr_events > lx_aio_max_nr)
+		return (-EINVAL);
+
+	/*
+	 * We can't actually malloc from the brand library, which makes this
+	 * a tad rocky -- but we're saved from complexity in no small measure
+	 * by the fact that the cap on the number of concurrent events must
+	 * be specified a priori; we use that to determine the amount of
+	 * memory we need and mmap() it upfront.
+	 */
+	size = sizeof (lx_aio_context_t) + nr_events * sizeof (lx_aiocb_t);
+
+	/* LINTED - alignment */
+	if ((ctx = (lx_aio_context_t *)mmap(0, size, PROT_READ | PROT_WRITE,
+	    MAP_PRIVATE | MAP_ANON, -1, 0)) == (lx_aio_context_t *)-1) {
+		return (-ENOMEM);
+	}
+
+	ctx->lxaio_size = size;
+	ctx->lxaio_nevents = nr_events;
+
+	if ((ctx->lxaio_port = port_create()) == -1) {
+		munmap((caddr_t)ctx, ctx->lxaio_size);
+		return (-EAGAIN);
+	}
+
+	(void) mutex_init(&ctx->lxaio_lock, USYNC_THREAD, NULL);
+
+	/*
+	 * Link up the free list.
+	 */
+	lxcbs = (lx_aiocb_t *)((uintptr_t)ctx + sizeof (lx_aio_context_t));
+
+	for (i = 0; i < nr_events - 1; i++)
+		lxcbs[i].lxaiocb_next = &lxcbs[i + 1];
+
+	ctx->lxaio_free = &lxcbs[0];
+
+	if (uucopy(&ctx, ctxp, sizeof (ctxp)) != 0) {
+		(void) close(ctx->lxaio_port);
+		munmap((caddr_t)ctx, ctx->lxaio_size);
+		return (-EFAULT);
+	}
+
+	return (0);
+}
+
+long
+lx_io_submit(lx_aio_context_t *ctx, long nr, uintptr_t **bpp)
+{
+	int processed = 0, err = 0, i;
+	port_notify_t notify;
+	lx_aiocb_t *lxcb;
+	lx_iocb_t **iocbpp, iocb, *iocbp = &iocb;
+	struct aiocb *aiocb;
+
+	if (nr <= 0 || ctx == NULL)
+		return (-EINVAL);
+
+	if ((iocbpp =
+	    (lx_iocb_t **)SAFE_ALLOCA(nr * sizeof (uintptr_t))) == NULL)
+		return (-EAGAIN);
+
+	if (uucopy(bpp, iocbpp, nr * sizeof (uintptr_t)) != 0)
+		return (-EFAULT);
+
+	mutex_lock(&ctx->lxaio_lock);
+
+	for (i = 0; i < nr; i++) {
+		if ((lxcb = ctx->lxaio_free) == NULL) {
+			err = EAGAIN;
+			break;
+		}
+
+		if (uucopy(iocbpp[i], &iocb, sizeof (iocb)) != 0) {
+			err = EFAULT;
+			break;
+		}
+
+		lxcb->lxaiocb_iocbp = (uintptr_t)iocbpp[i];
+		lxcb->lxaiocb_data = iocbp->lxiocb_data;
+
+		/*
+		 * We don't currently support eventfd-based notification.
+		 */
+		if (iocbp->lxiocb_flags & LX_IOCB_FLAG_RESFD) {
+			err = ENOSYS;
+			break;
+		}
+
+		notify.portnfy_port = ctx->lxaio_port;
+		notify.portnfy_user = lxcb;
+
+		aiocb = &lxcb->lxaiocb_cb;
+		aiocb->aio_fildes = iocbp->lxiocb_fd;
+		aiocb->aio_sigevent.sigev_notify = SIGEV_PORT;
+		aiocb->aio_sigevent.sigev_value.sival_ptr = &notify;
+
+		switch (iocbp->lxiocb_op) {
+		case LX_IOCB_CMD_FSYNC:
+		case LX_IOCB_CMD_FDSYNC:
+			err = aio_fsync(iocbp->lxiocb_op == LX_IOCB_CMD_FSYNC ?
+			    O_SYNC : O_DSYNC, aiocb);
+			break;
+
+		case LX_IOCB_CMD_PREAD:
+		case LX_IOCB_CMD_PWRITE:
+			aiocb->aio_offset = iocbp->lxiocb_offset;
+
+			if (aiocb->aio_nbytes > LONG_MAX) {
+				err = EINVAL;
+				break;
+			}
+
+			aiocb->aio_nbytes = iocbp->lxiocb_nbytes;
+
+			if ((uintptr_t)iocbp->lxiocb_buf > ULONG_MAX) {
+				err = EINVAL;
+				break;
+			}
+
+			aiocb->aio_buf = (void *)(uintptr_t)iocbp->lxiocb_buf;
+			aiocb->aio_reqprio = 0;
+
+			if (iocbp->lxiocb_op == LX_IOCB_CMD_PREAD) {
+				err = aio_read(aiocb);
+			} else {
+				err = aio_write(aiocb);
+			}
+
+			break;
+
+		case LX_IOCB_CMD_NOOP:
+			/*
+			 * Yet another whodunit in Adventure Playground: why
+			 * does Linux define an operation -- IOCB_CMD_NOOP --
+			 * for which it always returns EINVAL?!  And what
+			 * could a "no-op" possibly mean for asynchronous I/O
+			 * anyway?! Do nothing... later?!
+			 */
+			err = EINVAL;
+			break;
+
+		case LX_IOCB_CMD_PREADV:
+		case LX_IOCB_CMD_PWRITEV:
+			/*
+			 * We don't support asynchronous preadv and pwritev
+			 * (an asynchronous scatter/gather being a somewhat odd
+			 * notion to begin with); we return EINVAL in this
+			 * case, which the caller should be able to deal with.
+			 */
+			err = EINVAL;
+			break;
+
+		default:
+			err = EINVAL;
+			break;
+		}
+
+		if (err == -1)
+			err = errno;
+
+		if (err != 0)
+			break;
+
+		/*
+		 * We successfully enqueued I/O.  Take our control block off
+		 * of the free list and transition it to our list of
+		 * outstanding I/O.
+		 */
+		ctx->lxaio_free = lxcb->lxaiocb_next;
+		lxcb->lxaiocb_next = ctx->lxaio_outstanding;
+
+		if (ctx->lxaio_outstanding != NULL)
+			ctx->lxaio_outstanding->lxaiocb_prev = lxcb;
+
+		ctx->lxaio_outstanding = lxcb;
+		processed++;
+	}
+
+	mutex_unlock(&ctx->lxaio_lock);
+
+	if (processed == 0)
+		return (-err);
+
+	return (processed);
+}
+
+long
+lx_io_getevents(lx_aio_context_t *ctx, long min_nr, long nr,
+    lx_io_event_t *events, struct timespec *timeout)
+{
+	port_event_t *list;
+	lx_io_event_t *out;
+	unsigned int nget = min_nr;
+	int rval, i, err;
+	uint32_t max = nr;
+
+	if (nr > ctx->lxaio_nevents)
+		return (-EINVAL);
+
+	list = SAFE_ALLOCA(nr * sizeof (port_event_t));
+
+	/*
+	 * Grab the lock associated with the context to bump the number of
+	 * waiters.  This is needed in case this context is destroyed while
+	 * we're still waiting on it.
+	 */
+	mutex_lock(&ctx->lxaio_lock);
+
+	if (ctx->lxaio_destroying) {
+		mutex_unlock(&ctx->lxaio_lock);
+		return (-EINVAL);
+	}
+
+	ctx->lxaio_waiters++;
+	mutex_unlock(&ctx->lxaio_lock);
+
+	rval = port_getn(ctx->lxaio_port, list, max, &nget, timeout);
+	err = errno;
+
+	mutex_lock(&ctx->lxaio_lock);
+
+	assert(ctx->lxaio_waiters > 0);
+	ctx->lxaio_waiters--;
+
+	if ((rval == -1 && err != ETIME) || nget == 0 ||
+	    (nget == 1 && list[0].portev_source == PORT_SOURCE_ALERT)) {
+		/*
+		 * If we're being destroyed, kick our waiter and clear out with
+		 * EINVAL -- this is effectively an application-level race.
+		 */
+		if (ctx->lxaio_destroying) {
+			cond_signal(&ctx->lxaio_destroyer);
+			err = EINVAL;
+		}
+
+		mutex_unlock(&ctx->lxaio_lock);
+
+		return (nget == 0 ? 0 : -err);
+	}
+
+	out = SAFE_ALLOCA(nget * sizeof (lx_io_event_t));
+
+	/*
+	 * For each returned event, translate it into the Linux event in our
+	 * stack-based buffer.  As we're doing this, we also free the lxcb by
+	 * moving it from the outstanding list to the free list.
+	 */
+	for (i = 0; i < nget; i++) {
+		port_event_t *pe = &list[i];
+		lx_io_event_t *lxe = &out[i];
+		struct aiocb *aiocb;
+		lx_aiocb_t *lxcb;
+
+		lxcb = pe->portev_user;
+		aiocb = (struct aiocb *)pe->portev_object;
+
+		assert(pe->portev_source == PORT_SOURCE_AIO);
+		assert(aiocb == &lxcb->lxaiocb_cb);
+
+		lxe->lxioe_data = lxcb->lxaiocb_data;
+		lxe->lxioe_object = lxcb->lxaiocb_iocbp;
+		lxe->lxioe_res = aio_return(aiocb);
+		lxe->lxioe_res2 = 0;
+
+		if (lxcb->lxaiocb_next != NULL)
+			lxcb->lxaiocb_next->lxaiocb_prev = lxcb->lxaiocb_prev;
+
+		if (lxcb->lxaiocb_prev != NULL) {
+			lxcb->lxaiocb_prev->lxaiocb_next = lxcb->lxaiocb_next;
+		} else {
+			assert(ctx->lxaio_outstanding == lxcb);
+			ctx->lxaio_outstanding = lxcb->lxaiocb_next;
+		}
+
+		lxcb->lxaiocb_prev = NULL;
+		lxcb->lxaiocb_next = ctx->lxaio_free;
+		ctx->lxaio_free = lxcb;
+	}
+
+	/*
+	 * Perform one final check for a shutdown -- it's possible that we
+	 * raced with the port transitioning into alert mode, in which case we
+	 * have a blocked destroyer that we need to kick.  (Note that we do
+	 * this after having properly cleaned up the completed I/O.)
+	 */
+	if (ctx->lxaio_destroying) {
+		cond_signal(&ctx->lxaio_destroyer);
+		mutex_unlock(&ctx->lxaio_lock);
+		return (-EINVAL);
+	}
+
+	mutex_unlock(&ctx->lxaio_lock);
+
+	if (uucopy(out, events, nget * sizeof (lx_io_event_t)) != 0)
+		return (-EFAULT);
+
+	return (nget);
+}
+
+/*
+ * Cancellation is unfortunately problematic for us as the POSIX semantics for
+ * AIO cancellation differ slightly from the Linux semantics: on Linux,
+ * io_cancel() regrettably does not use the same mechanism for event
+ * consumption (that is, as an event retrievable via io_getevents()), but
+ * rather returns the cancellation event directly from io_cancel().  This is
+ * in contrast to POSIX AIO cancellation, which does not actually alter the
+ * notification mechanism:  the cancellation is still received via its
+ * specified notification (i.e., an event port or signal).  The unfortunate
+ * Linux semantics leave us with several (suboptimal) choices:
+ *
+ * (1) Cancel the I/O via aio_cancel(), and then somehow attempt to block on
+ *     the asynchronous cancellation notification without otherwise disturbing
+ *     other events that may be pending.
+ *
+ * (2) Cancel the I/O via aio_cancel() but ignore (and later, discard) the
+ *     asynchronous cancellation notification.
+ *
+ * (3) Explicitly fail to cancel any asynchronous I/O by having io_cancel()
+ *     always return EAGAIN.
+ *
+ * While the third option is the least satisfying from an engineering
+ * perspective, it is also entirely within the rights of the interface (which
+ * may return EAGAIN to merely denote that the specified I/O "was not
+ * canceled") and has the added advantage of being entirely honest.  (This is
+ * in stark contrast to the first two options, each of which tries to tell
+ * small lies that seem to sure to end in elaborate webs of deceit.)  Honesty
+ * is the best policy; after checking that the specified I/O is outstanding,
+ * we fail with EAGAIN.
+ */
+/*ARGSUSED*/
+long
+lx_io_cancel(lx_aio_context_t *ctx, lx_iocb_t *iocbp, lx_io_event_t *result)
+{
+	lx_iocb_t iocb;
+	lx_aiocb_t *lxcb;
+
+	if (uucopy(iocbp, &iocb, sizeof (lx_iocb_t)) != 0)
+		return (-EFAULT);
+
+	mutex_lock(&ctx->lxaio_lock);
+
+	if (ctx->lxaio_destroying) {
+		mutex_unlock(&ctx->lxaio_lock);
+		return (-EINVAL);
+	}
+
+	for (lxcb = ctx->lxaio_outstanding; lxcb != NULL &&
+	    lxcb->lxaiocb_iocbp != (uintptr_t)iocbp; lxcb = lxcb->lxaiocb_next)
+		continue;
+
+	mutex_unlock(&ctx->lxaio_lock);
+
+	if (lxcb == NULL)
+		return (-EINVAL);
+
+	/*
+	 * Congratulations on your hard-won EAGAIN!
+	 */
+	return (-EAGAIN);
+}
+
+/*
+ * As is often the case, the destruction case makes everything a lot more
+ * complicated.  In this case, io_destroy() is defined to block on the
+ * completion of all outstanding operations.  To effect this, we throw the
+ * event port into the rarely-used alert mode -- invented long ago for just
+ * this purpose -- thereby kicking any waiters out of their port_get().
+ */
+long
+lx_io_destroy(lx_aio_context_t *ctx)
+{
+	lx_aiocb_t *lxcb;
+	unsigned int nget = 0, nr;
+	int port = ctx->lxaio_port;
+
+	mutex_lock(&ctx->lxaio_lock);
+
+	if (ctx->lxaio_destroying) {
+		mutex_unlock(&ctx->lxaio_lock);
+		return (-EINVAL);
+	}
+
+	ctx->lxaio_destroying = B_TRUE;
+
+	if (ctx->lxaio_waiters) {
+		/*
+		 * If we have waiters, put the port into alert mode.
+		 */
+		(void) port_alert(port, PORT_ALERT_SET, B_TRUE, NULL);
+
+		while (ctx->lxaio_waiters)
+			cond_wait(&ctx->lxaio_destroyer, &ctx->lxaio_lock);
+
+		/*
+		 * Transition the port out of alert mode:  we will need to
+		 * block on the port ourselves for any outstanding I/O.
+		 */
+		(void) port_alert(port, PORT_ALERT_SET, B_FALSE, NULL);
+	}
+
+	/*
+	 * We have no waiters and we never will again -- we can be assured
+	 * that our list of outstanding I/Os is now completely static and it's
+	 * now safe to iterate over our outstanding I/Os and aio_cancel() them.
+	 */
+	for (lxcb = ctx->lxaio_outstanding; lxcb != NULL;
+	    lxcb = lxcb->lxaiocb_next) {
+		struct aiocb *aiocb = &lxcb->lxaiocb_cb;
+
+		/*
+		 * Surely a new bureaucratic low even for POSIX that we must
+		 * specify both the file descriptor and the structure that
+		 * must contain the file desctiptor...
+		 */
+		(void) aio_cancel(aiocb->aio_fildes, aiocb);
+		nget++;
+	}
+
+	if (nget != 0) {
+		port_event_t *list = SAFE_ALLOCA(nget * sizeof (port_event_t));
+		int rval;
+
+		do {
+			rval = port_getn(port, list, nr = nget, &nget, NULL);
+		} while (rval == -1 && errno == EINTR);
+
+		assert(rval == 0);
+		assert(nget == nr);
+	}
+
+	/*
+	 * I/Os are either cancelled or completed.  We can safely close our
+	 * port and nuke the mapping that contains our context.
+	 */
+	(void) close(ctx->lxaio_port);
+	munmap((caddr_t)ctx, ctx->lxaio_size);
+
+	return (0);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/capabilities.c b/usr/src/lib/brand/lx/lx_brand/common/capabilities.c
new file mode 100644
index 0000000000..81f3bbddb4
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/capabilities.c
@@ -0,0 +1,484 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * LX Brand emulation of capget/capset syscalls
+ */
+
+#include <sys/types.h>
+#include <sys/errno.h>
+#include <sys/lx_types.h>
+#include <sys/lx_syscall.h>
+#include <sys/syscall.h>
+#include <alloca.h>
+#include <errno.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/lx_misc.h>
+#include <priv.h>
+
+typedef struct {
+	uint32_t version;
+	int pid;
+} lx_cap_user_header_t;
+
+typedef struct {
+	uint32_t effective;
+	uint32_t permitted;
+	uint32_t inheritable;
+} lx_cap_user_data_t;
+
+typedef struct {
+	priv_set_t *p_effective;
+	priv_set_t *p_permitted;
+	priv_set_t *p_inheritable;
+} lx_cap_privs_t;
+
+#define	LX_CAP_UPDATE_PERMITTED		0x1
+#define	LX_CAP_UPDATE_EFFECTIVE		0x2
+#define	LX_CAP_UPDATE_INHERITABLE	0x4
+
+
+#define	LX_CAP_MAXLEN	2
+
+typedef struct {
+	uint32_t effective[LX_CAP_MAXLEN];
+	uint32_t permitted[LX_CAP_MAXLEN];
+	uint32_t inheritable[LX_CAP_MAXLEN];
+} lx_cap_data_t;
+
+#define	LX_CAP_VERSION_1	0x19980330
+#define	LX_CAP_VERSION_2	0x20071026	/* deprecated by Linux */
+#define	LX_CAP_VERSION_3	0x20080522
+
+/*
+ * Even though we lack mappings for capabilities higher than 36, it's valuable
+ * to test all the way out to the end of the second field.  This ensures that
+ * new capabilities we lack support for are not silently accepted.
+ */
+#define	LX_CAP_MAX_CHECK		63
+#define	LX_CAP_MAX_VALID		36
+
+#define	LX_CAP_CAPISSET(id, cap) \
+	(((id < 32) && (((0x1 << id) & cap[0]) != 0)) || \
+	((id >= 32) && (((0x1 << (id - 32) & cap[1]) != 0))))
+
+#define	LX_CAP_CAPSET(id, cap) \
+	if (id < 32) { cap[0] |= (0x1 << id); } \
+	else { cap[1] |= (0x1 << (id - 32)); }
+
+static const char *lx_cap_map_chown[] = {
+	PRIV_FILE_CHOWN,
+	PRIV_FILE_CHOWN_SELF,
+	NULL
+};
+static const char *lx_cap_map_dac_override[] = {
+	PRIV_FILE_DAC_READ,
+	PRIV_FILE_DAC_WRITE,
+	PRIV_FILE_DAC_EXECUTE,
+	NULL
+};
+static const char *lx_cap_map_dac_read_search[] = {
+	PRIV_FILE_DAC_SEARCH,
+	PRIV_FILE_DAC_READ,
+	NULL
+};
+static const char *lx_cap_map_fowner[] = { PRIV_FILE_OWNER, NULL };
+static const char *lx_cap_map_fsetid[] = { PRIV_FILE_SETID, NULL };
+static const char *lx_cap_map_kill[] = { PRIV_PROC_OWNER, NULL };
+/*
+ * One way that Linux capabilities(7) differs from Illumos privileges(5) is
+ * that it distinguishes between setuid and setgroups rights.  This will be a
+ * problem if an lx-branded process requests to drop only CAP_SETUID but not
+ * CAP_SETGID.
+ *
+ * In that case, CAP_SETUID will be maintained.
+ */
+static const char *lx_cap_map_setgid[] = { PRIV_PROC_SETID, NULL };
+static const char *lx_cap_map_setuid[] = { PRIV_PROC_SETID, NULL };
+static const char *lx_cap_map_linux_immutable[] = { PRIV_FILE_FLAG_SET, NULL };
+static const char *lx_cap_map_bind_service[] = { PRIV_NET_PRIVADDR, NULL };
+static const char *lx_cap_map_net_admin[] = {
+	PRIV_SYS_IPC_CONFIG,
+	PRIV_SYS_DL_CONFIG,
+	NULL
+};
+static const char *lx_cap_map_net_raw[] = {
+	PRIV_NET_RAWACCESS,
+	PRIV_NET_ICMPACCESS,
+	NULL
+};
+static const char *lx_cap_map_ipc_lock[] = { PRIV_PROC_LOCK_MEMORY, NULL };
+static const char *lx_cap_map_ipc_owner[] = {
+	PRIV_IPC_DAC_READ,
+	PRIV_IPC_DAC_WRITE,
+	PRIV_IPC_OWNER,
+	NULL
+};
+static const char *lx_cap_map_sys_chroot[] = { PRIV_PROC_CHROOT, NULL };
+static const char *lx_cap_map_sys_admin[] = {
+	PRIV_SYS_MOUNT,
+	PRIV_SYS_ADMIN,
+	NULL
+};
+static const char *lx_cap_map_sys_nice[] = { PRIV_PROC_PRIOUP, NULL };
+static const char *lx_cap_map_sys_resource[] = { PRIV_SYS_RESOURCE, NULL };
+static const char *lx_cap_map_audit_write[] = { PRIV_PROC_AUDIT, NULL };
+static const char *lx_cap_map_audit_control[] = { PRIV_SYS_AUDIT, NULL };
+
+/*
+ * Mapping of Linux capabilities -> Illumos privileges
+ * The ID definitions can be found in the Linux sources here:
+ * include/uapi/linux/capability.h
+ *
+ * Order is critical.
+ */
+static const char ** lx_cap_mapping[LX_CAP_MAX_VALID + 1] = {
+	lx_cap_map_chown,		/* CAP_CHOWN */
+	lx_cap_map_dac_override,	/* CAP_DAC_OVERRIDE */
+	lx_cap_map_dac_read_search,	/* CAP_DAC_READ_SEARCH */
+	lx_cap_map_fowner,		/* CAP_FOWNER */
+	lx_cap_map_fsetid,		/* CAP_FSETID */
+	lx_cap_map_kill,		/* CAP_KILL */
+	lx_cap_map_setgid,		/* CAP_SETGID */
+	lx_cap_map_setuid,		/* CAP_SETUID */
+	NULL,				/* CAP_SETPCAP */
+	lx_cap_map_linux_immutable,	/* CAP_LINUX_IMMUTABLE */
+	lx_cap_map_bind_service,	/* CAP_BIND_SERVICE */
+	NULL,				/* CAP_BROADCAST */
+	lx_cap_map_net_admin,		/* CAP_NET_ADMIN */
+	lx_cap_map_net_raw,		/* CAP_NET_RAW */
+	lx_cap_map_ipc_lock,		/* CAP_IPC_LOCK */
+	lx_cap_map_ipc_owner,		/* CAP_IPC_OWNER */
+	NULL,				/* CAP_MODULE */
+	NULL,				/* CAP_RAWIO */
+	lx_cap_map_sys_chroot,		/* CAP_SYS_CHROOT */
+	NULL,				/* CAP_PTRACE */
+	NULL,				/* CAP_PACCT */
+	lx_cap_map_sys_admin,		/* CAP_SYS_ADMIN */
+	NULL,				/* CAP_BOOT */
+	lx_cap_map_sys_nice,		/* CAP_SYS_NICE */
+	lx_cap_map_sys_resource,	/* CAP_SYS_RESOURCE */
+	NULL,				/* CAP_SYS_TIME */
+	NULL,				/* CAP_SYS_TTY_CONFIG */
+	NULL,				/* CAP_MKNOD */
+	NULL,				/* CAP_LEASE */
+	lx_cap_map_audit_write,		/* CAP_AUDIT_WRITE */
+	lx_cap_map_audit_control,	/* CAP_AUDIT_CONTROL */
+	NULL,				/* CAP_SETFCAP */
+	NULL,				/* CAP_MAC_OVERRIDE */
+	NULL,				/* CAP_MAC_ADMIN */
+	NULL,				/* CAP_SYSLOG */
+	NULL,				/* CAP_WAKE_ALARM */
+	NULL				/* CAP_BLOCK_SUSPEND */
+};
+
+/* track priv_set_t size, set on entry to lx_capset/lx_capget */
+static unsigned int lx_cap_priv_size = 0;
+
+/* safely allocate priv_set_t triplet on the stack */
+#define	LX_CAP_ALLOC_PRIVS(ptr)	\
+	do { \
+		ptr = SAFE_ALLOCA(sizeof (lx_cap_privs_t) + \
+		    (3 * lx_cap_priv_size)); \
+		if (ptr != NULL) { \
+			ptr->p_effective = (void *) ptr + \
+			    sizeof (lx_cap_privs_t); \
+			ptr->p_permitted = (void *) ptr + \
+			    sizeof (lx_cap_privs_t) + \
+			    lx_cap_priv_size;\
+			ptr->p_inheritable = (void *) ptr + \
+			    sizeof (lx_cap_privs_t) + \
+			    2 * lx_cap_priv_size; \
+		} \
+	} while (0)
+
+static long
+lx_cap_update_priv(priv_set_t *priv, const uint32_t cap[])
+{
+	int i, j;
+	boolean_t cap_set;
+	boolean_t priv_set;
+	boolean_t updated = B_FALSE;
+	for (i = 0; i <= LX_CAP_MAX_CHECK; i++) {
+		cap_set = LX_CAP_CAPISSET(i, cap);
+		if (lx_cap_mapping[i] == NULL || i > LX_CAP_MAX_VALID) {
+			/* don't allow setting unsupported caps */
+			if (cap_set)
+				return (-1);
+			else
+				continue;
+		}
+		for (j = 0; lx_cap_mapping[i][j] != NULL; j++) {
+			priv_set = priv_ismember(priv, lx_cap_mapping[i][j]);
+			if (priv_set && !cap_set) {
+				priv_delset(priv, lx_cap_mapping[i][j]);
+				updated = B_TRUE;
+			} else if (!priv_set && cap_set) {
+				priv_addset(priv, lx_cap_mapping[i][j]);
+				updated = B_TRUE;
+			}
+		}
+	}
+	if (updated)
+		return (1);
+	else
+		return (0);
+}
+
+static long
+lx_cap_to_priv(lx_cap_data_t *cap, lx_cap_privs_t *priv)
+{
+	long changes = 0;
+	long result;
+
+	result = lx_cap_update_priv(priv->p_permitted, cap->permitted);
+	if (result < 0)
+		return (-1);
+	else if (result > 0)
+		changes |= LX_CAP_UPDATE_PERMITTED;
+
+	result = lx_cap_update_priv(priv->p_effective, cap->effective);
+	if (result < 0)
+		return (-1);
+	else if (result > 0)
+		changes |= LX_CAP_UPDATE_EFFECTIVE;
+
+	result = lx_cap_update_priv(priv->p_inheritable, cap->inheritable);
+	if (result < 0)
+		return (-1);
+	else if (result > 0)
+		changes |= LX_CAP_UPDATE_INHERITABLE;
+
+	return (changes);
+}
+
+static void
+lx_cap_from_priv(const priv_set_t *priv, uint32_t cap[])
+{
+	int i, j;
+	boolean_t valid;
+	memset(cap, '\0', sizeof (uint32_t) * LX_CAP_MAXLEN);
+	for (i = 0; i <= LX_CAP_MAX_VALID; i++) {
+		if (lx_cap_mapping[i] == NULL) {
+			continue;
+		}
+		valid = B_TRUE;
+		for (j = 0; lx_cap_mapping[i][j] != NULL; j++) {
+			if (!priv_ismember(priv,
+			    lx_cap_mapping[i][j])) {
+				valid = B_FALSE;
+			}
+		}
+		if (valid) {
+			LX_CAP_CAPSET(i, cap);
+		}
+	}
+}
+
+static long
+lx_cap_read_cap(const lx_cap_user_header_t *uhp, const lx_cap_user_data_t *udp,
+    lx_cap_data_t *cd)
+{
+	lx_cap_user_header_t uh;
+	lx_cap_user_data_t ud_buf;
+	int cap_count;
+	int i;
+
+	if (uucopy(uhp, &uh, sizeof (uh)) != 0)
+		return (-errno);
+
+	switch (uh.version) {
+	case LX_CAP_VERSION_1:
+		cap_count = 1;
+		break;
+	case LX_CAP_VERSION_2:
+	case LX_CAP_VERSION_3:
+		cap_count = 2;
+		break;
+	default:
+		return (-EINVAL);
+	}
+
+	/* Only allow capset on calling process */
+	if (uh.pid != 0 && uh.pid != getpid())
+		return (-EPERM);
+
+	/* zero the struct in case cap_count < 2 */
+	memset(cd, '\0', sizeof (lx_cap_data_t));
+
+	for (i = 0; i < cap_count; i++) {
+		if (uucopy(udp + i, &ud_buf, sizeof (ud_buf)) != 0)
+			return (-errno);
+		cd->permitted[i] = ud_buf.permitted;
+		cd->effective[i] = ud_buf.effective;
+		cd->inheritable[i] = ud_buf.inheritable;
+	}
+	return (0);
+}
+
+long
+lx_capget(uintptr_t p1, uintptr_t p2)
+{
+	const priv_impl_info_t *impl;
+	lx_cap_user_header_t *uhp = (lx_cap_user_header_t *)p1;
+	lx_cap_user_data_t *udp = (lx_cap_user_data_t *)p2;
+	lx_cap_user_header_t uh;
+	lx_cap_privs_t *privs;
+	lx_cap_data_t cd_result;
+	lx_cap_user_data_t cd_buf;
+	int cap_count;
+	int i;
+
+	if (lx_cap_priv_size == 0) {
+		impl = getprivimplinfo();
+		lx_cap_priv_size = sizeof (priv_chunk_t) * impl->priv_setsize;
+	}
+
+	if (uucopy(uhp, &uh, sizeof (uh)) != 0)
+		return (-errno);
+
+	switch (uh.version) {
+	case LX_CAP_VERSION_1:
+		cap_count = 1;
+		break;
+	case LX_CAP_VERSION_2:
+	case LX_CAP_VERSION_3:
+		cap_count = 2;
+		break;
+	default:
+		return (-EINVAL);
+	}
+
+	/*
+	 * Only allow capget on the calling process.
+	 * If a pid is specified, lie about being able to locate it.
+	 */
+	if (uh.pid > 0 && uh.pid != getpid())
+		return (-ESRCH);
+	if (uh.pid < 0)
+		return (-EINVAL);
+
+	LX_CAP_ALLOC_PRIVS(privs);
+	if (privs == NULL)
+		return (-ENOMEM);
+
+	if (getppriv(PRIV_PERMITTED, privs->p_permitted) != 0)
+		return (-errno);
+	if (getppriv(PRIV_EFFECTIVE, privs->p_effective) != 0)
+		return (-errno);
+	if (getppriv(PRIV_INHERITABLE, privs->p_inheritable) != 0)
+		return (-errno);
+
+	lx_cap_from_priv(privs->p_permitted, cd_result.permitted);
+	lx_cap_from_priv(privs->p_effective, cd_result.effective);
+	lx_cap_from_priv(privs->p_inheritable, cd_result.inheritable);
+
+	/* convert to output format */
+	for (i = 0; i < cap_count; i++) {
+		cd_buf.effective = cd_result.effective[i];
+		cd_buf.permitted = cd_result.permitted[i];
+		cd_buf.inheritable = cd_result.inheritable[i];
+		if (uucopy(&cd_buf, udp + i, sizeof (cd_buf)) != 0)
+			return (-errno);
+	}
+
+	return (0);
+}
+
+long
+lx_capset(uintptr_t p1, uintptr_t p2)
+{
+	const priv_impl_info_t *impl;
+	lx_cap_data_t cd;
+	lx_cap_privs_t *privs;
+	long result;
+
+	if (lx_cap_priv_size == 0) {
+		impl = getprivimplinfo();
+		lx_cap_priv_size = sizeof (priv_chunk_t) * impl->priv_setsize;
+	}
+
+	/* verify header and read in desired capabilities */
+	result = lx_cap_read_cap((lx_cap_user_header_t *)p1,
+	    (lx_cap_user_data_t *)p2, &cd);
+	if (result != 0)
+		return (result);
+
+	LX_CAP_ALLOC_PRIVS(privs);
+	if (privs == NULL)
+		return (-ENOMEM);
+
+	/* fetch current privs to compare against */
+	if (getppriv(PRIV_PERMITTED, privs->p_permitted) != 0)
+		return (-errno);
+	if (getppriv(PRIV_EFFECTIVE, privs->p_effective) != 0)
+		return (-errno);
+	if (getppriv(PRIV_INHERITABLE, privs->p_inheritable) != 0)
+		return (-errno);
+
+
+	result = lx_cap_to_priv(&cd, privs);
+	if (result < 0)
+		return (-EPERM);
+
+	/* report success if no changes needed */
+	if (result == 0)
+		return (0);
+
+	/* Ensure the effective/inheritable caps aren't > permitted */
+	if (!priv_issubset(privs->p_effective, privs->p_permitted) ||
+	    !priv_issubset(privs->p_inheritable, privs->p_permitted))
+		return (-EPERM);
+
+	/*
+	 * Here is where things become racy.  Linux updates all three
+	 * capability sets simultaneously in the capset syscall.  In order to
+	 * emulate capabilities via privileges, three setppriv operations are
+	 * required in sequence.  If one or two should fail, there is not a
+	 * mechanism to convey the incomplete operation to the caller.
+	 *
+	 * We do two things to make this less risky:
+	 * 1. Verify that both the desired effective and inheritable
+	 *    sets are subsets of the desired permitted set.
+	 * 2. Perform the setppriv of the permitted set first.
+	 *
+	 * Should the setppriv(permitted) fail, we can safely bail out with an
+	 * error.  If it succeeds, the setppriv of effective and inheritable
+	 * are likely to succeed given that they've been verified legal.
+	 *
+	 * If the partial error does happen, we'll be forced to report failure
+	 * even though the privileges were altered.
+	 */
+
+	if ((result & LX_CAP_UPDATE_PERMITTED) != 0) {
+		/* failure here is totally safe */
+		if (setppriv(PRIV_SET, PRIV_PERMITTED, privs->p_permitted) != 0)
+			return (-errno);
+	}
+	if ((result & LX_CAP_UPDATE_EFFECTIVE) != 0) {
+		/* failure here is a bummer */
+		if (setppriv(PRIV_SET, PRIV_EFFECTIVE, privs->p_effective) != 0)
+			return (-errno);
+	}
+	if ((result & LX_CAP_UPDATE_EFFECTIVE) != 0) {
+		/* failure here is a major bummer */
+		if (setppriv(PRIV_SET, PRIV_INHERITABLE,
+		    privs->p_inheritable) != 0)
+			return (-errno);
+	}
+
+	return (0);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/clock.c b/usr/src/lib/brand/lx/lx_brand/common/clock.c
new file mode 100644
index 0000000000..793e2cb181
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/clock.c
@@ -0,0 +1,229 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <errno.h>
+#include <string.h>
+#include <time.h>
+#include <sys/resource.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_syscall.h>
+#include <lx_signum.h>
+
+/*
+ * Translating from the Linux clock types to the Illumos types is a bit of a
+ * mess.
+ *
+ * Linux uses different values for it clock identifiers, so we have to do basic
+ * translations between the two.  Thankfully, both Linux and Illumos implement
+ * the same POSIX SUSv3 clock types, so the semantics should be identical.
+ *
+ * However, CLOCK_REALTIME and CLOCK_HIGHRES (CLOCK_MONOTONIC) are the only two
+ * clock backends currently implemented on Illumos. Functions in the kernel
+ * that use the CLOCK_BACKEND macro will return an error for any clock type
+ * that does not exist in the clock_backend array. These functions are
+ * clock_settime, clock_gettime, clock_getres and timer_create.
+ *
+ * For reference, the kernel's clock_backend array looks like this:
+ *
+ * clock_backend[CLOCK_MAX] (6 entries)
+ *    0	__CLOCK_REALTIME0		valid ptr. (obs. same as CLOCK_REALTIME)
+ *    1	CLOCK_VIRTUAL			NULL
+ *    2	CLOCK_THREAD_CPUTIME_ID		NULL
+ *    3	CLOCK_REALTIME			valid ptr.
+ *    4	CLOCK_MONOTONIC (CLOCK_HIGHRES)	valid ptr.
+ *    5	CLOCK_PROCESS_CPUTIME_ID	NULL
+ *
+ * See the comment on clock_highres_timer_create for full details but a zone
+ * needs the proc_clock_highres privilege to use the CLOCK_HIGHRES clock so it
+ * will generally be unusable by lx for timer_create.
+ */
+
+static int ltos_clock[] = {
+	CLOCK_REALTIME,			/* LX_CLOCK_REALTIME */
+	CLOCK_HIGHRES,			/* LX_CLOCK_MONOTONIC */
+	CLOCK_PROCESS_CPUTIME_ID,	/* LX_CLOCK_PROCESS_CPUTIME_ID */
+	CLOCK_THREAD_CPUTIME_ID,	/* LX_CLOCK_THREAD_CPUTIME_ID */
+	CLOCK_HIGHRES,			/* LX_CLOCK_MONOTONIC_RAW */
+	CLOCK_REALTIME,			/* LX_CLOCK_REALTIME_COARSE */
+	CLOCK_HIGHRES			/* LX_CLOCK_MONOTONIC_COARSE */
+};
+
+/*
+ * Since the Illumos CLOCK_HIGHRES clock requires elevated privs, which can
+ * lead to a DOS, we use the only other option (CLOCK_REALTIME) when given
+ * LX_CLOCK_MONOTONIC.
+ */
+static int ltos_timer[] = {
+	CLOCK_REALTIME,
+	CLOCK_REALTIME,
+	CLOCK_THREAD_CPUTIME_ID,	/* XXX thread, not process but fails */
+	CLOCK_THREAD_CPUTIME_ID,
+	CLOCK_REALTIME,
+	CLOCK_REALTIME,
+	CLOCK_REALTIME
+};
+
+#define	LX_CLOCK_MAX	(sizeof (ltos_clock) / sizeof (ltos_clock[0]))
+#define	LX_TIMER_MAX	(sizeof (ltos_timer) / sizeof (ltos_timer[0]))
+
+#define	LX_SIGEV_PAD_SIZE	((64 - \
+	(sizeof (int) * 2 + sizeof (union sigval))) / sizeof (int))
+
+typedef struct {
+	union sigval	lx_sigev_value;	/* same layout for both */
+	int		lx_sigev_signo;
+	int		lx_sigev_notify;
+	union {
+		int	lx_pad[LX_SIGEV_PAD_SIZE];
+		int	lx_tid;
+		struct {
+			void (*lx_notify_function)(union sigval);
+			void *lx_notify_attribute;
+		} lx_sigev_thread;
+	} lx_sigev_un;
+} lx_sigevent_t;
+
+/* sigevent sigev_notify conversion table */
+static int ltos_sigev[] = {
+	SIGEV_SIGNAL,
+	SIGEV_NONE,
+	SIGEV_THREAD,
+	0,		/* Linux skips event 3 */
+	SIGEV_THREAD	/* the Linux SIGEV_THREAD_ID */
+};
+
+#define	LX_SIGEV_MAX	(sizeof (ltos_sigev) / sizeof (ltos_sigev[0]))
+
+long
+lx_clock_nanosleep(int clock, int flags, struct timespec *rqtp,
+    struct timespec *rmtp)
+{
+	int ret = 0;
+	int err;
+	struct timespec rqt, rmt;
+
+	if (clock < 0 || clock >= LX_CLOCK_MAX)
+		return (-EINVAL);
+
+	if (uucopy(rqtp, &rqt, sizeof (struct timespec)) < 0)
+		return (-EFAULT);
+
+	/* the TIMER_RELTIME and TIMER_ABSTIME flags are the same on Linux */
+	if ((err = clock_nanosleep(ltos_clock[clock], flags, &rqt, &rmt))
+	    != 0) {
+		if (err != EINTR)
+			return (-err);
+		ret = -EINTR;
+		/*
+		 * We fall through in case we have to pass back the remaining
+		 * time.
+		 */
+	}
+
+	/*
+	 * Only copy values to rmtp if the timer is TIMER_RELTIME and rmtp is
+	 * non-NULL.
+	 */
+	if (((flags & TIMER_RELTIME) == TIMER_RELTIME) && (rmtp != NULL) &&
+	    (uucopy(&rmt, rmtp, sizeof (struct timespec)) < 0))
+		return (-EFAULT);
+
+	return (ret);
+}
+
+/*ARGSUSED*/
+long
+lx_adjtimex(void *tp)
+{
+	return (-EPERM);
+}
+
+/*
+ * The Illumos timer_create man page says it accepts the following clocks:
+ *   CLOCK_REALTIME (3)	wall clock
+ *   CLOCK_VIRTUAL (1)	user CPU usage clock - No Backend
+ *   CLOCK_PROF (2)	user and system CPU usage clock - No Backend
+ *   CLOCK_HIGHRES (4)	non-adjustable, high-resolution clock
+ * However, in reality the Illumos timer_create only accepts CLOCK_REALTIME
+ * and CLOCK_HIGHRES, and since we can't use CLOCK_HIGHRES in a zone, we're
+ * down to one clock.
+ */
+long
+lx_timer_create(int clock, struct sigevent *lx_sevp, timer_t *tid)
+{
+	lx_sigevent_t lev;
+	struct sigevent sev;
+
+	if (clock < 0 || clock >= LX_TIMER_MAX)
+		return (-EINVAL);
+
+	/* We have to convert the Linux sigevent layout to the Illumos layout */
+	if (uucopy(lx_sevp, &lev, sizeof (lev)) < 0)
+		return (-EFAULT);
+
+	if (lev.lx_sigev_notify < 0 || lev.lx_sigev_notify > LX_SIGEV_MAX)
+		return (-EINVAL);
+
+	sev.sigev_notify = ltos_sigev[lev.lx_sigev_notify];
+	sev.sigev_signo = ltos_signo[lev.lx_sigev_signo];
+	sev.sigev_value = lev.lx_sigev_value;
+
+	/*
+	 * The sigevent sigev_notify_function and sigev_notify_attributes
+	 * members are not used by timer_create, so no conversion is needed.
+	 */
+
+	return ((timer_create(ltos_timer[clock], &sev, tid) < 0) ? -errno : 0);
+}
+
+long
+lx_timer_settime(timer_t tid, int flags, struct itimerspec *new_val,
+    struct itimerspec *old_val)
+{
+	return ((timer_settime(tid, flags, new_val, old_val) < 0) ? -errno : 0);
+}
+
+long
+lx_timer_gettime(timer_t tid, struct itimerspec *val)
+{
+	return ((timer_gettime(tid, val) < 0) ? -errno : 0);
+}
+
+long
+lx_timer_getoverrun(timer_t tid)
+{
+	int val;
+
+	val = timer_getoverrun(tid);
+	return ((val < 0) ? -errno : val);
+}
+
+long
+lx_timer_delete(timer_t tid)
+{
+	return ((timer_delete(tid) < 0) ? -errno : 0);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/clone.c b/usr/src/lib/brand/lx/lx_brand/common/clone.c
new file mode 100644
index 0000000000..69a5e55a55
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/clone.c
@@ -0,0 +1,728 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <unistd.h>
+#include <ucontext.h>
+#include <thread.h>
+#include <strings.h>
+#include <libintl.h>
+#include <sys/regset.h>
+#include <sys/syscall.h>
+#include <sys/inttypes.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/segments.h>
+#include <signal.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_types.h>
+#include <sys/lx_signal.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_thread.h>
+#include <sys/fork.h>
+#include <sys/mman.h>
+#include <lx_syscall.h>
+
+
+#define	SHARED_AS	\
+	(LX_CLONE_VM | LX_CLONE_FS | LX_CLONE_FILES | LX_CLONE_SIGHAND	\
+	    | LX_CLONE_THREAD)
+#define	CLONE_VFORK (LX_CLONE_VM | LX_CLONE_VFORK)
+#define	CLONE_TD (LX_CLONE_THREAD|LX_CLONE_DETACH)
+
+#define	IS_FORK(f)	(((f) & SHARED_AS) == 0)
+#define	IS_VFORK(f)	(((f) & CLONE_VFORK) == CLONE_VFORK)
+
+/*
+ * This is dicey.  This seems to be an internal glibc structure, and not
+ * part of any external interface.  Thus, it is subject to change without
+ * notice.  FWIW, clone(2) itself seems to be an internal (or at least
+ * unstable) interface, since strace(1) shows it differently than the man
+ * page.
+ */
+struct lx_desc
+{
+	uint32_t entry_number;
+	uint32_t base_addr;
+	uint32_t limit;
+	uint32_t seg_32bit:1;
+	uint32_t contents:2;
+	uint32_t read_exec_only:1;
+	uint32_t limit_in_pages:1;
+	uint32_t seg_not_present:1;
+	uint32_t useable:1;
+	uint32_t empty:25;
+};
+
+struct clone_state {
+	void		*c_retaddr;	/* instr after clone()'s int80 */
+	int		c_flags;	/* flags to clone(2) */
+	int 		c_sig;		/* signal to send on thread exit */
+	void 		*c_stk;		/* %esp of new thread */
+	void 		*c_ptidp;
+	struct lx_desc	*c_ldtinfo;	/* thread-specific segment */
+	void		*c_ctidp;
+	ucontext_t	c_uc;		/* original register state */
+	sigset_t	c_sigmask;	/* signal mask */
+	lx_affmask_t	c_affmask;	/* CPU affinity mask */
+	volatile int	*c_clone_res;	/* pid/error returned to cloner */
+	int		c_ptrace_event;	/* ptrace(2) event for child stop */
+	void		*c_ntv_stk;	/* native stack for this thread */
+	size_t		c_ntv_stk_sz;	/* native stack size */
+	lx_tsd_t	*c_lx_tsd;	/* tsd area for thread */
+};
+
+/*
+ * Counter incremented when we vfork(2) ourselves, and decremented when the
+ * vfork(2)ed child exit(2)s or exec(2)s.
+ */
+static int is_vforked = 0;
+
+long
+lx_exit(uintptr_t p1)
+{
+	int		status = (int)p1;
+	lx_tsd_t	*lx_tsd;
+
+	/*
+	 * If we are a vfork(2)ed child, we need to exit as quickly and
+	 * cleanly as possible to avoid corrupting our parent.
+	 */
+	if (is_vforked != 0) {
+		is_vforked--;
+		_exit(status);
+	}
+
+	lx_tsd = lx_get_tsd();
+
+	lx_tsd->lxtsd_exit = LX_ET_EXIT;
+	lx_tsd->lxtsd_exit_status = status;
+
+	lx_ptrace_stop_if_option(LX_PTRACE_O_TRACEEXIT, B_FALSE,
+	    (ulong_t)status, NULL);
+
+	/*
+	 * This thread is exiting.  Restore the state of the thread to
+	 * what it was before we started running linux code.
+	 */
+	(void) setcontext(&lx_tsd->lxtsd_exit_context);
+
+	/*
+	 * If we returned from the setcontext(2), something is very wrong.
+	 */
+	lx_err_fatal("exit: unable to set exit context: %s", strerror(errno));
+
+	/*NOTREACHED*/
+	return (0);
+}
+
+long
+lx_group_exit(uintptr_t p1)
+{
+	int		status = (int)p1;
+	lx_tsd_t	*lx_tsd;
+
+	/*
+	 * If we are a vfork(2)ed child, we need to exit as quickly and
+	 * cleanly as possible to avoid corrupting our parent.
+	 */
+	if (is_vforked != 0) {
+		is_vforked--;
+		_exit(status);
+	}
+
+	lx_tsd = lx_get_tsd();
+
+	lx_tsd->lxtsd_exit = LX_ET_EXIT_GROUP;
+	lx_tsd->lxtsd_exit_status = status;
+
+	/*
+	 * This thread is exiting.  Restore the state of the thread to
+	 * what it was before we started running linux code.
+	 */
+	(void) setcontext(&lx_tsd->lxtsd_exit_context);
+
+	/*
+	 * If we returned from the setcontext(2), something is very wrong.
+	 */
+	lx_err_fatal("group_exit: unable to set exit context: %s",
+	    strerror(errno));
+
+	/*NOTREACHED*/
+	return (0);
+}
+
+static void *
+clone_start(void *arg)
+{
+	int rval;
+	struct clone_state *cs = (struct clone_state *)arg;
+	lx_tsd_t *lxtsd;
+
+	/*
+	 * Let the kernel finish setting up all the needed state for this
+	 * new thread.
+	 *
+	 * We already created the thread using the thr_create(3C) library
+	 * call, so most of the work required to emulate lx_clone(2) has
+	 * been done by the time we get to this point.
+	 */
+	lx_debug("\tre-vectoring to lx kernel module to complete lx_clone()");
+	lx_debug("\tB_HELPER_CLONE(0x%x, 0x%p, 0x%p, 0x%p)",
+	    cs->c_flags, cs->c_ptidp, cs->c_ldtinfo, cs->c_ctidp);
+
+	rval = syscall(SYS_brand, B_HELPER_CLONE, cs->c_flags, cs->c_ptidp,
+	    cs->c_ldtinfo, cs->c_ctidp);
+
+	/*
+	 * At this point the parent is waiting for cs->c_clone_res to go
+	 * non-zero to indicate the thread has been cloned.  The value set
+	 * in cs->c_clone_res will be used for the return value from
+	 * clone().
+	 */
+	if (rval < 0) {
+		*(cs->c_clone_res) = -errno;
+		lx_debug("\tkernel clone failed, errno %d\n", errno);
+		free(cs->c_lx_tsd);
+		free(cs);
+		return (NULL);
+	}
+
+	if (lx_sched_setaffinity(0, sizeof (cs->c_affmask),
+	    (uintptr_t)&cs->c_affmask) != 0) {
+		*(cs->c_clone_res) = -errno;
+
+		lx_err_fatal("Unable to set affinity mask in child thread: %s",
+		    strerror(errno));
+	}
+
+	/*
+	 * Initialize the thread specific data for this thread.
+	 */
+	lxtsd = cs->c_lx_tsd;
+	lx_init_tsd(lxtsd);
+	lxtsd->lxtsd_clone_state = cs;
+
+	/*
+	 * Install the emulation stack for this thread.  Register the
+	 * thread-specific data structure with the stack list so that it may be
+	 * freed at thread exit or fork(2).
+	 */
+	lx_install_stack(cs->c_ntv_stk, cs->c_ntv_stk_sz, lxtsd);
+
+	if (sigprocmask(SIG_SETMASK, &cs->c_sigmask, NULL) < 0) {
+		*(cs->c_clone_res) = -errno;
+
+		lx_err_fatal("Unable to release held signals for child "
+		    "thread: %s", strerror(errno));
+	}
+
+	/*
+	 * Let the parent know that the clone has (effectively) been
+	 * completed.
+	 */
+	*(cs->c_clone_res) = rval;
+
+	/*
+	 * We want to load the general registers from this context, and
+	 * switch to the BRAND stack.
+	 */
+	cs->c_uc.uc_flags = UC_CPU;
+	cs->c_uc.uc_brand_data[0] = (void *)LX_UC_STACK_BRAND;
+
+	/*
+	 * New threads will not link into the existing context chain.
+	 */
+	cs->c_uc.uc_link = NULL;
+
+	/*
+	 * Set stack pointer and entry point for new thread:
+	 */
+	LX_REG(&cs->c_uc, REG_SP) = (uintptr_t)cs->c_stk;
+	LX_REG(&cs->c_uc, REG_PC) = (uintptr_t)cs->c_retaddr;
+
+	/*
+	 * Return 0 to the child:
+	 */
+	LX_REG(&cs->c_uc, REG_R0) = (uintptr_t)0;
+
+	/*
+	 * Fire the ptrace(2) event stop in the new thread:
+	 */
+	lx_ptrace_stop_if_option(cs->c_ptrace_event, B_TRUE, 0, &cs->c_uc);
+
+	/*
+	 * Jump to the Linux process.  The system call must not return.
+	 */
+	if (syscall(SYS_brand, B_JUMP_TO_LINUX, &cs->c_uc) == -1) {
+		lx_err_fatal("B_JUMP_TO_LINUX failed: %s",
+		    strerror(errno));
+	}
+	abort();
+
+	/*NOTREACHED*/
+	return (NULL);
+}
+
+/*
+ * The way Linux handles stopping for FORK vs. CLONE does not map exactly to
+ * which syscall was used. Instead, it has to do with which signal is set in
+ * the low byte of the clone flag. The only time the CLONE event is emitted is
+ * if the clone signal (the low byte of the flags argument) is set to something
+ * other than SIGCHLD (see the Linux src in kernel/fork.c do_fork() for the
+ * actual code).
+ */
+static int
+ptrace_clone_event(int flags)
+{
+	if (flags & LX_CLONE_VFORK)
+		return (LX_PTRACE_O_TRACEVFORK);
+
+	if ((flags & LX_CSIGNAL) != LX_SIGCHLD)
+		return (LX_PTRACE_O_TRACECLONE);
+
+	return (LX_PTRACE_O_TRACEFORK);
+}
+
+/*
+ * See glibc sysdeps/unix/sysv/linux/x86_64/clone.S code for x64 argument order
+ * and the Linux kernel/fork.c code for the various ways arguments can be passed
+ * to the clone syscall (CONFIG_CLONE_BACKWARDS, et al).
+ */
+long
+lx_clone(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4,
+	uintptr_t p5)
+{
+	struct clone_state *cs;
+	int flags = (int)p1;
+	void *cldstk = (void *)p2;
+	void *ptidp = (void *)p3;
+#if defined(_LP64)
+	void *ctidp = (void *)p4;
+	struct lx_desc *ldtinfo = (void *)p5;
+#else /* is 32bit */
+	struct lx_desc *ldtinfo = (void *)p4;
+	void *ctidp = (void *)p5;
+#endif
+	thread_t tid;
+	volatile int clone_res;
+	int sig;
+	int rval;
+	int pid;
+	ucontext_t *ucp;
+	sigset_t sigmask, osigmask;
+	int fork_flags = 0;
+	int ptrace_event;
+	int error = 0;
+
+	if (flags & LX_CLONE_SETTLS) {
+		lx_debug("lx_clone(flags=0x%x stk=0x%p ptidp=0x%p ldt=0x%p "
+		    "ctidp=0x%p", flags, cldstk, ptidp, ldtinfo, ctidp);
+	} else {
+		lx_debug("lx_clone(flags=0x%x stk=0x%p ptidp=0x%p)",
+		    flags, cldstk, ptidp);
+	}
+
+	/*
+	 * Only supported for pid 0 on Linux after version 2.3.21, and
+	 * apparently not at all since 2.5.16.
+	 */
+	if (flags & LX_CLONE_PID)
+		return (-EINVAL);
+
+	/*
+	 * CLONE_THREAD requires CLONE_SIGHAND.
+	 *
+	 * CLONE_THREAD and CLONE_DETACHED must both be either set or cleared
+	 * in kernel 2.4 and prior.
+	 * In kernel 2.6 (and later) CLONE_DETACHED was dropped completely, so
+	 * we no longer have this requirement.
+	 */
+
+	if (flags & CLONE_TD) {
+		if (!(flags & LX_CLONE_SIGHAND))
+			return (-EINVAL);
+		if (strncmp(lx_release, "2.4", 3) == 0 &&
+		    (flags & CLONE_TD) != CLONE_TD)
+			return (-EINVAL);
+	}
+
+	ucp = lx_syscall_regs();
+
+	/* test if pointer passed by user are writable */
+	if (flags & LX_CLONE_PARENT_SETTID) {
+		if (uucopy(ptidp, &pid, sizeof (int)) != 0)
+			return (-EFAULT);
+		if (uucopy(&pid, ptidp, sizeof (int)) != 0)
+			return (-EFAULT);
+	}
+	if (flags & LX_CLONE_CHILD_SETTID) {
+		if (uucopy(ctidp, &pid, sizeof (int)) != 0)
+			return (-EFAULT);
+		if (uucopy(&pid, ctidp, sizeof (int)) != 0)
+			return (-EFAULT);
+	}
+
+	ptrace_event = ptrace_clone_event(flags);
+
+	/*
+	 * Inform the in-kernel ptrace(2) subsystem that we are about to
+	 * emulate a fork(2), vfork(2) or clone(2) system call.
+	 */
+	lx_ptrace_clone_begin(ptrace_event, !!(flags & LX_CLONE_PTRACE));
+
+	/*
+	 * Handle a fork(2) operation here.  If this is not a fork, a new
+	 * thread will be created after this block.
+	 */
+	if (IS_FORK(flags) || IS_VFORK(flags)) {
+		if (flags & LX_CLONE_PARENT) {
+			lx_unsupported("clone(2) only supports CLONE_PARENT "
+			    "for threads.\n");
+			return (-ENOTSUP);
+		}
+
+		if ((flags & LX_CSIGNAL) == 0)
+			fork_flags |= FORK_NOSIGCHLD;
+
+		/*
+		 * Suspend signal delivery, run the stack management prefork
+		 * handler and perform the actual fork(2) operation.
+		 */
+		_sigoff();
+		lx_stack_prefork();
+		if (flags & LX_CLONE_VFORK) {
+			lx_sighandlers_t saved;
+
+			/*
+			 * Because we keep our signal disposition at user-land
+			 * (and in memory), we must prevent it from being
+			 * clobbered should our vforked child change the
+			 * disposition (e.g., via sigaction()) before releasing
+			 * the address space.  We preserve our disposition by
+			 * taking a snapshot of it before the vfork and
+			 * restoring it afterwards -- which we can get away
+			 * with because we know that we aren't executing
+			 * concurrently with our child.
+			 */
+			lx_sighandlers_save(&saved);
+			is_vforked++;
+			rval = vforkx(fork_flags);
+			if (rval != 0) {
+				is_vforked--;
+				lx_sighandlers_restore(&saved);
+			}
+		} else {
+			rval = forkx(fork_flags);
+		}
+
+		/*
+		 * The parent process returns through the regular system call
+		 * path here.
+		 */
+		if (rval != 0) {
+			if (!IS_VFORK(flags) || rval < 0) {
+				/*
+				 * Run the stack management postfork handler in
+				 * the parent.  If this was a vfork(2), we only
+				 * run it in the parent if the fork operation
+				 * failed; the vfork(2) child has already run
+				 * it for our address space.
+				 */
+				lx_stack_postfork();
+			}
+
+			/*
+			 * Since we've already forked, we can't do much if
+			 * uucopy fails, so we just ignore failure. Failure is
+			 * unlikely since we've tested the memory before we did
+			 * the fork.
+			 */
+			if (rval > 0 && (flags & LX_CLONE_PARENT_SETTID)) {
+				(void) uucopy(&rval, ptidp, sizeof (int));
+			}
+
+			if (rval > 0) {
+				lx_ptrace_stop_if_option(ptrace_event, B_FALSE,
+				    (ulong_t)rval, NULL);
+			}
+
+			/*
+			 * Re-enable signal delivery in the parent process.
+			 */
+			_sigon();
+
+			return ((rval < 0) ? -errno : rval);
+		}
+
+		/*
+		 * The rest of this block runs only within the new child
+		 * process.
+		 */
+
+		/*
+		 * Run the stack management postfork handler in the child.
+		 */
+		lx_stack_postfork();
+
+		if (!IS_VFORK(flags)) {
+			/*
+			 * We must free the stacks and thread-specific data
+			 * objects for every thread except the one duplicated
+			 * from the parent by forkx().
+			 */
+			lx_free_other_stacks();
+		}
+
+		if (rval == 0 && (flags & LX_CLONE_CHILD_SETTID)) {
+			/*
+			 * lx_getpid should not fail, and if it does, there's
+			 * not much we can do about it since we've already
+			 * forked, so on failure, we just don't copy the
+			 * memory.
+			 */
+			pid = syscall(SYS_brand, B_GETPID);
+			if (pid >= 0)
+				(void) uucopy(&pid, ctidp, sizeof (int));
+		}
+
+		/*
+		 * Set up additional data in the lx_proc_data structure as
+		 * necessary.
+		 */
+		if ((rval = syscall(SYS_brand, B_HELPER_CLONE, flags, ptidp,
+		    ldtinfo, ctidp)) < 0) {
+			return (rval);
+		}
+
+		if (IS_VFORK(flags)) {
+			ucontext_t vforkuc;
+
+			/*
+			 * The vfork(2) interface is somewhat less than ideal.
+			 * The unfortunate notion of borrowing the address
+			 * space of the parent process requires us to jump
+			 * through several hoops to prevent corrupting parent
+			 * emulation state.
+			 *
+			 * When returning in the child, we make a copy of the
+			 * system call return context and discard three pages
+			 * of the native stack.  Returning normally would
+			 * clobber the native stack frame in which the brand
+			 * library in the parent process is presently waiting.
+			 *
+			 * The calling program is expected to correctly use
+			 * this dusty, underspecified relic.  Neglecting to
+			 * immediately call execve(2) or exit(2) is not
+			 * cricket; this stack space will be permanently lost,
+			 * not to mention myriad other undefined behaviour.
+			 */
+			bcopy(ucp, &vforkuc, sizeof (vforkuc));
+			vforkuc.uc_brand_data[1] -= LX_NATIVE_STACK_VFORK_GAP;
+			vforkuc.uc_link = NULL;
+
+			lx_debug("\tvfork native stack sp %p",
+			    vforkuc.uc_brand_data[1]);
+
+			/*
+			 * If provided, the child needs its new stack set up.
+			 */
+			if (cldstk != 0) {
+				lx_debug("\tvfork cldstk %p", cldstk);
+				LX_REG(&vforkuc, REG_SP) = (uintptr_t)cldstk;
+			}
+
+			/*
+			 * Stop for ptrace if required.
+			 */
+			lx_ptrace_stop_if_option(ptrace_event, B_TRUE, 0, NULL);
+
+			/*
+			 * Return to the child via the specially constructed
+			 * vfork(2) context.
+			 */
+			LX_EMULATE_RETURN(&vforkuc, LX_SYS_clone, 0, 0);
+			(void) syscall(SYS_brand, B_EMULATION_DONE, &vforkuc,
+			    LX_SYS_clone, 0, 0);
+
+			assert(0);
+		}
+
+		/*
+		 * If provided, the child needs its new stack set up.
+		 */
+		if (cldstk != 0) {
+			lx_debug("\tcldstk %p", cldstk);
+			LX_REG(ucp, REG_SP) = (uintptr_t)cldstk;
+		}
+
+		/*
+		 * Stop for ptrace if required.
+		 */
+		lx_ptrace_stop_if_option(ptrace_event, B_TRUE, 0, NULL);
+
+		/*
+		 * Re-enable signal delivery in the child process.
+		 */
+		_sigon();
+
+		/*
+		 * The child process returns via the regular emulated system
+		 * call path:
+		 */
+		return (0);
+	}
+
+	/*
+	 * We have very restricted support.... only exactly these flags are
+	 * supported
+	 */
+	if (((flags & SHARED_AS) != SHARED_AS)) {
+		lx_unsupported("clone(2) requires that all or none of "
+		    "CLONE_VM/FS/FILES/THREAD/SIGHAND be set. (flags:0x%08X)\n",
+		    flags);
+		return (-ENOTSUP);
+	}
+
+	if (cldstk == NULL) {
+		lx_unsupported("clone(2) requires the caller to allocate the "
+		    "child's stack.\n");
+		return (-ENOTSUP);
+	}
+
+	/*
+	 * If we want a signal-on-exit, ensure that the signal is valid.
+	 */
+	if ((sig = ltos_signo[flags & LX_CSIGNAL]) == -1) {
+		lx_unsupported("clone(2) passed unsupported signal: %d", sig);
+		return (-ENOTSUP);
+	}
+
+	/*
+	 * Initialise the state structure we pass as an argument to the new
+	 * thread:
+	 */
+	if ((cs = malloc(sizeof (*cs))) == NULL) {
+		lx_debug("could not allocate clone_state: %s", strerror(errno));
+		return (-ENOMEM);
+	}
+	cs->c_flags = flags;
+	cs->c_sig = sig;
+	cs->c_stk = cldstk;
+	cs->c_ptidp = ptidp;
+	cs->c_ldtinfo = ldtinfo;
+	cs->c_ctidp = ctidp;
+	cs->c_clone_res = &clone_res;
+	cs->c_ptrace_event = ptrace_event;
+	/*
+	 * We want the new thread to return directly to the call site for
+	 * the system call.
+	 */
+	cs->c_retaddr = (void *)LX_REG(ucp, REG_PC);
+	/*
+	 * Copy the saved context for the clone(2) system call so that the
+	 * new thread may use it to initialise registers.
+	 */
+	bcopy(ucp, &cs->c_uc, sizeof (cs->c_uc));
+	if ((cs->c_lx_tsd = malloc(sizeof (*cs->c_lx_tsd))) == NULL) {
+		free(cs);
+		return (-ENOMEM);
+	}
+
+	if (lx_sched_getaffinity(0, sizeof (cs->c_affmask),
+	    (uintptr_t)&cs->c_affmask) == -1) {
+		lx_err_fatal("Unable to get affinity mask for parent "
+		    "thread: %s", strerror(errno));
+	}
+
+	clone_res = 0;
+
+	(void) sigfillset(&sigmask);
+
+	/*
+	 * Block all signals because the thread we create won't be able to
+	 * properly handle them until it's fully set up.
+	 */
+	if (sigprocmask(SIG_BLOCK, &sigmask, &osigmask) < 0) {
+		lx_debug("lx_clone sigprocmask() failed: %s", strerror(errno));
+		free(cs->c_lx_tsd);
+		free(cs);
+		return (-errno);
+	}
+	cs->c_sigmask = osigmask;
+
+	/*
+	 * Allocate the native stack for this new thread now, so that we
+	 * can return failure gracefully as ENOMEM.
+	 */
+	if (lx_alloc_stack(&cs->c_ntv_stk, &cs->c_ntv_stk_sz) != 0) {
+		free(cs->c_lx_tsd);
+		free(cs);
+		return (-ENOMEM);
+	}
+
+	rval = thr_create(NULL, NULL, clone_start, cs, THR_DETACHED, &tid);
+
+	/*
+	 * If the thread did not start, free the resources we allocated:
+	 */
+	if (rval == -1) {
+		error = errno;
+		(void) munmap(cs->c_ntv_stk, cs->c_ntv_stk_sz);
+		free(cs->c_lx_tsd);
+		free(cs);
+	}
+
+	/*
+	 * Release any pending signals
+	 */
+	(void) sigprocmask(SIG_SETMASK, &osigmask, NULL);
+
+	/*
+	 * Wait for the child to be created and have its tid assigned.
+	 */
+	if (rval == 0) {
+		while (clone_res == 0)
+			;
+
+		rval = clone_res;
+		lx_ptrace_stop_if_option(ptrace_event, B_FALSE, (ulong_t)rval,
+		    NULL);
+
+		return (rval);
+	} else {
+		/*
+		 * Return the error from thr_create(3C).
+		 */
+		return (-error);
+	}
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/debug.c b/usr/src/lib/brand/lx/lx_brand/common/debug.c
new file mode 100644
index 0000000000..7e58a0f941
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/debug.c
@@ -0,0 +1,179 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <thread.h>
+#include <unistd.h>
+
+#include <sys/modctl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <sys/lx_brand.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_misc.h>
+
+/* internal debugging state */
+static char	*lx_debug_path = NULL;		/* debug output file path */
+static char	lx_debug_path_buf[MAXPATHLEN];
+
+int		lx_dtrace_lazyload = 1;		/* patchable; see below */
+
+void
+lx_debug_enable(void)
+{
+	/* send all debugging output to /dev/tty */
+	lx_debug_path = "/dev/tty";
+	lx_debug("lx_debug: debugging output enabled: %s", lx_debug_path);
+}
+
+void
+lx_debug_init(void)
+{
+	/*
+	 * Our DTrace USDT provider is loaded in our .init section, which is
+	 * not run by our e_entry ELF entry point (_start, which calls into
+	 * lx_init()).  We exploit this to only actually load our USDT provider
+	 * if LX_DTRACE is set, assuring that we don't compromise fork()
+	 * performance in the (common) case that DTrace of lx_brand.so.1 itself
+	 * isn't enabled or desired. (As with all USDT providers, it can always
+	 * be loaded by explicitly specifying the full provider name).  Note
+	 * that we also allow this behavior to be set via a manual override,
+	 * lx_dtrace_lazyload -- allowing for USDT probes to be automatically
+	 * provided in situations where setting an environment variable is
+	 * tedious or otherwise impossible.
+	 */
+	if (getenv("LX_DTRACE") != NULL || !lx_dtrace_lazyload) {
+		extern void _init(void);
+		_init();
+	}
+
+	if (getenv("LX_DEBUG") == NULL)
+		return;
+
+	/*
+	 * It's OK to use this value without any locking, as all callers can
+	 * use the return value to decide whether extra work should be done
+	 * before calling lx_debug().
+	 *
+	 * If debugging is disabled after a routine calls this function it
+	 * doesn't really matter as lx_debug() will see debugging is disabled
+	 * and will not output anything.
+	 */
+	lx_debug_enabled = 1;
+
+	/* check if there's a debug log file specified */
+	lx_debug_path = getenv("LX_DEBUG_FILE");
+	if (lx_debug_path == NULL) {
+		/* send all debugging output to /dev/tty */
+		lx_debug_path = "/dev/tty";
+	}
+
+	(void) strlcpy(lx_debug_path_buf, lx_debug_path,
+	    sizeof (lx_debug_path_buf));
+	lx_debug_path = lx_debug_path_buf;
+
+	lx_debug("lx_debug: debugging output ENABLED to path: \"%s\"",
+	    lx_debug_path);
+}
+
+void
+lx_debug(const char *msg, ...)
+{
+	va_list		ap;
+	char		*buf;
+	int		rv, fd, n;
+	int		errno_backup;
+	int		size = LX_MSG_MAXLEN + 1;
+
+	if (lx_debug_enabled == 0 && !LX_DEBUG_ENABLED())
+		return;
+
+	/*
+	 * If debugging is not enabled, we do not wish to have a large stack
+	 * footprint.  The buffer allocation is thus done conditionally,
+	 * rather than as regular automatic storage.
+	 */
+	if ((buf = SAFE_ALLOCA(size)) == NULL)
+		return;
+
+	errno_backup = errno;
+
+	/* prefix the message with pid/tid */
+	if ((n = snprintf(buf, size, "%u/%u: ", getpid(), thr_self())) == -1) {
+		errno = errno_backup;
+		return;
+	}
+
+	/* format the message */
+	va_start(ap, msg);
+	rv = vsnprintf(&buf[n], size - n, msg, ap);
+	va_end(ap);
+	if (rv == -1) {
+		errno = errno_backup;
+		return;
+	}
+
+	/* add a carrige return if there isn't one already */
+	if ((buf[strlen(buf) - 1] != '\n') &&
+	    (strlcat(buf, "\n", size) >= size)) {
+		errno = errno_backup;
+		return;
+	}
+
+	LX_DEBUG(buf);
+
+	if (!lx_debug_enabled)
+		return;
+
+	/*
+	 * Open the debugging output file.  note that we don't protect
+	 * ourselves against exec or fork1 here.  if an mt process were
+	 * to exec/fork1 while we're doing this they'd end up with an
+	 * extra open desciptor in their fd space.  a'well.  shouldn't
+	 * really matter.
+	 */
+	if ((fd = open(lx_debug_path,
+	    O_WRONLY|O_APPEND|O_CREAT|O_NDELAY|O_NOCTTY, 0666)) == -1) {
+		return;
+	}
+	(void) fchmod(fd, 0666);
+
+	/* we retry in case of EINTR */
+	do {
+		rv = write(fd, buf, strlen(buf));
+	} while ((rv == -1) && (errno == EINTR));
+	(void) fsync(fd);
+
+	(void) close(fd);
+	errno = errno_backup;
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/dir.c b/usr/src/lib/brand/lx/lx_brand/common/dir.c
new file mode 100644
index 0000000000..0fda763c19
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/dir.c
@@ -0,0 +1,275 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#include <string.h>
+#include <stddef.h>
+#include <errno.h>
+#include <unistd.h>
+#include <assert.h>
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/dirent.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_syscall.h>
+
+#define	LX_NAMEMAX	256
+
+struct lx_old_dirent {
+	long		d_ino;  /* not l_ino_t */
+	long		d_off;
+	ushort_t	d_reclen;
+	char 		d_name[LX_NAMEMAX];
+};
+
+/*
+ * The positioning of d_type depends on d_reclen, since it follows
+ * d_name which varies in size.  Because d_type is not being emulated
+ * beyond DT_UNKNOWN (0), this can be achieved by zero-filling the
+ * structure to d_reclen bytes after the end of d_name.
+ */
+struct lx_dirent {
+	long		d_ino;
+	long		d_off;
+	ushort_t	d_reclen;
+	char 		d_name[LX_NAMEMAX];
+	uchar_t		d_type;
+};
+
+/* base definition of linux_dirent from readdir.c - sizeof is 12 */
+typedef struct {
+	ulong_t		d_ino;
+	ulong_t		d_off;
+	ushort_t	d_reclen;
+	char		d_name[1];
+} lx_linux_dirent_t;
+
+/*
+ * Record must be long enough to house d_name string, null terminator and
+ * d_type field.  It's then padded to nearest 8-byte boundary
+ */
+#define	LX_RECLEN(namelen)	\
+	((offsetof(struct lx_dirent, d_name) + 2 + (namelen) + 7) & ~7)
+
+/*
+ * Bytes after d_name string until d_reclen should be zeroed.
+ * Includes zero-terminating d_name
+ */
+#define	LX_ZEROLEN(namelen)	\
+	(LX_RECLEN(namelen) - \
+	((offsetof(struct lx_dirent, d_name) + (namelen))))
+
+struct lx_dirent64 {
+	uint64_t	d_ino;
+	int64_t		d_off;
+	ushort_t	d_reclen;
+	uchar_t		d_type;
+	char		d_name[LX_NAMEMAX];
+};
+
+#define	LX_RECLEN64(namelen)	\
+	((offsetof(struct lx_dirent64, d_name) + 1 + (namelen) + 7) & ~7)
+
+/*
+ * Read in one dirent structure from fd into dirp.
+ * p3 (count) is ignored.
+ */
+/*ARGSUSED*/
+long
+lx_readdir(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	int fd = (int)p1;
+	struct lx_old_dirent *dirp = (struct lx_old_dirent *)p2;
+	uint_t count = sizeof (struct lx_old_dirent);
+	int rc = 0;
+	struct lx_old_dirent _ld;
+	struct dirent *sd = (struct dirent *)&_ld;
+
+	/*
+	 * The return value from getdents is not applicable, as
+	 * it might have squeezed more than one dirent in the buffer
+	 * we provided.
+	 *
+	 * getdents() will deal with the case of dirp == NULL
+	 */
+	if ((rc = getdents(fd, sd, count)) < 0)
+		return (-errno);
+
+	/*
+	 * Set rc 1 (pass), or 0 (end of directory).
+	 */
+	rc = (sd->d_reclen == 0) ? 0 : 1;
+
+	if (uucopy(sd, dirp, count) != 0)
+		return (-errno);
+
+	return (rc);
+}
+
+/*
+ * Read in dirent structures from p1 (fd) into p2 (buffer).
+ * p3 (count) is the size of the memory area.
+ */
+long
+lx_getdents(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	int fd = (int)p1;
+	void *buf = (void *)p2;
+	void *sbuf, *lbuf;
+	int lbufsz = (uint_t)p3;
+	int sbufsz;
+	int namelen;
+	struct dirent *sd;
+	struct lx_dirent *ld;
+	int bytes, rc;
+
+	/*
+	 * readdir will pass in the full size, but some test code calls getdents
+	 * directly and uses the bare struct. For these, just pretend we got
+	 * a single full-size entry so we can obtain the proper errno.
+	 */
+	if (lbufsz == sizeof (lx_linux_dirent_t))
+		lbufsz = sizeof (struct lx_dirent);
+
+	if (lbufsz < sizeof (struct lx_dirent))
+		return (-EINVAL);
+
+	/*
+	 * The Linux dirent is bigger than the Solaris dirent.  To
+	 * avoid inadvertently consuming more of the directory than we can
+	 * pass back to the Linux app, we hand the kernel a smaller buffer
+	 * than the app handed us.
+	 */
+	sbufsz = (lbufsz / 32) * 24;
+
+	sbuf = SAFE_ALLOCA(sbufsz);
+	lbuf = SAFE_ALLOCA(lbufsz);
+	if (sbuf == NULL || lbuf == NULL)
+		return (-ENOMEM);
+
+	if ((bytes = getdents(fd, sbuf, sbufsz)) < 0)
+		return (-errno);
+
+	/* munge the Solaris buffer to a linux buffer. */
+	sd = (struct dirent *)sbuf;
+	ld = (struct lx_dirent *)lbuf;
+	rc = 0;
+	while (bytes > 0) {
+		namelen = strlen(sd->d_name);
+		if (namelen >= LX_NAMEMAX)
+			namelen = LX_NAMEMAX - 1;
+		ld->d_ino = (uint64_t)sd->d_ino;
+		ld->d_off = (int64_t)sd->d_off;
+
+		(void) strncpy(ld->d_name, sd->d_name, namelen);
+		/*
+		 * Zero out the rest of the record.
+		 * This effective sets ld->d_type = 0 and zero-terminates d_name
+		 */
+		memset(ld->d_name + namelen, '\0', LX_ZEROLEN(namelen));
+		ld->d_reclen = (ushort_t)LX_RECLEN(namelen);
+
+		bytes -= (int)sd->d_reclen;
+		rc += (int)ld->d_reclen;
+
+		sd = (struct dirent *)(void *)((caddr_t)sd + sd->d_reclen);
+		ld = (struct lx_dirent *)(void *)((caddr_t)ld + ld->d_reclen);
+	}
+
+	/* now copy the lbuf to the userland buffer */
+	assert(rc <= lbufsz);
+	if (uucopy(lbuf, buf, rc) != 0)
+		return (-EFAULT);
+
+	return (rc);
+}
+
+/*
+ * Read in dirent64 structures from p1 (fd) into p2 (buffer).
+ * p3 (count) is the size of the memory area.
+ */
+long
+lx_getdents64(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	int fd = (uint_t)p1;
+	void *buf = (void *)p2;
+	void *sbuf, *lbuf;
+	int lbufsz = (uint_t)p3;
+	int sbufsz;
+	int namelen;
+	struct dirent *sd;
+	struct lx_dirent64 *ld;
+	int bytes, rc;
+
+	if (lbufsz < sizeof (struct lx_dirent64))
+		return (-EINVAL);
+
+	/*
+	 * The Linux dirent64 is bigger than the Solaris dirent64.  To
+	 * avoid inadvertently consuming more of the directory than we can
+	 * pass back to the Linux app, we hand the kernel a smaller buffer
+	 * than the app handed us.
+	 */
+	sbufsz = (lbufsz / 32) * 24;
+
+	sbuf = SAFE_ALLOCA(sbufsz);
+	lbuf = SAFE_ALLOCA(lbufsz);
+	if (sbuf == NULL || lbuf == NULL)
+		return (-ENOMEM);
+
+	if ((bytes = getdents(fd, sbuf, sbufsz)) < 0)
+		return (-errno);
+
+	/* munge the Solaris buffer to a linux buffer. */
+	sd = (struct dirent *)sbuf;
+	ld = (struct lx_dirent64 *)lbuf;
+	rc = 0;
+	while (bytes > 0) {
+		namelen = strlen(sd->d_name);
+		if (namelen >= LX_NAMEMAX)
+			namelen = LX_NAMEMAX - 1;
+		ld->d_ino = (uint64_t)sd->d_ino;
+		ld->d_off = (int64_t)sd->d_off;
+		ld->d_type = 0;
+
+		(void) strncpy(ld->d_name, sd->d_name, namelen);
+		ld->d_name[namelen] = 0;
+		ld->d_reclen = (ushort_t)LX_RECLEN64(namelen);
+
+		bytes -= (int)sd->d_reclen;
+		rc += (int)ld->d_reclen;
+
+		sd = (struct dirent *)(void *)((caddr_t)sd + sd->d_reclen);
+		ld = (struct lx_dirent64 *)(void *)((caddr_t)ld + ld->d_reclen);
+	}
+
+	/* now copy the lbuf to the userland buffer */
+	assert(rc <= lbufsz);
+	if (uucopy(lbuf, buf, rc) != 0)
+		return (-EFAULT);
+
+	return (rc);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/fcntl.c b/usr/src/lib/brand/lx/lx_brand/common/fcntl.c
new file mode 100644
index 0000000000..7b6cd4d5f2
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/fcntl.c
@@ -0,0 +1,165 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/types.h>
+#include <sys/filio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stropts.h>
+#include <libintl.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/stat.h>
+
+#include <sys/lx_fcntl.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_syscall.h>
+
+long
+lx_dup2(uintptr_t p1, uintptr_t p2)
+{
+	int oldfd = (int)p1;
+	int newfd = (int)p2;
+	int rc;
+
+	rc = fcntl(oldfd, F_DUP2FD, newfd);
+	return ((rc == -1) ? -errno : rc);
+}
+
+long
+lx_dup3(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	int oldfd = (int)p1;
+	int newfd = (int)p2;
+	int flags = (int)p3;
+	int rc;
+
+	/* The only valid flag is O_CLOEXEC. */
+	if (flags & ~LX_O_CLOEXEC)
+		return (-EINVAL);
+
+	if (oldfd == newfd)
+		return (-EINVAL);
+
+	rc = fcntl(oldfd, (flags == 0) ? F_DUP2FD : F_DUP2FD_CLOEXEC, newfd);
+	return ((rc == -1) ? -errno : rc);
+}
+
+/*
+ * flock() applies or removes an advisory lock on the file
+ * associated with the file descriptor fd.
+ *
+ * operation is: LX_LOCK_SH, LX_LOCK_EX, LX_LOCK_UN, LX_LOCK_NB
+ */
+long
+lx_flock(uintptr_t p1, uintptr_t p2)
+{
+	int			fd = (int)p1;
+	int			operation = (int)p2;
+	struct flock		fl;
+	int			cmd;
+	int			ret;
+
+	if (operation & LX_LOCK_NB) {
+		cmd = F_FLOCK;
+		operation &= ~LX_LOCK_NB; /* turn off this bit */
+	} else {
+		cmd = F_FLOCKW;
+	}
+
+	switch (operation) {
+		case LX_LOCK_UN:
+			fl.l_type = F_UNLCK;
+			break;
+		case LX_LOCK_SH:
+			fl.l_type = F_RDLCK;
+			break;
+		case LX_LOCK_EX:
+			fl.l_type = F_WRLCK;
+			break;
+		default:
+			return (-EINVAL);
+	}
+
+	fl.l_whence = 0;
+	fl.l_start = 0;
+	fl.l_len = 0;
+	fl.l_sysid = 0;
+	fl.l_pid = 0;
+
+	ret = fcntl(fd, cmd, &fl);
+
+	return ((ret == -1) ? -errno : ret);
+}
+
+/*
+ * Based on Illumos posix_fadvise which does nothing. The only difference is
+ * that on Linux an fd refering to a pipe or FIFO returns EINVAL.
+ * The Linux POSIX_FADV_* values are the same as the Illumos values.
+ * See how glibc calls fadvise64; the offeset is a 64bit value, but the length
+ * is not, whereas fadvise64_64 passes both the offset and length as 64bit
+ * values.
+ */
+/* ARGSUSED */
+long
+lx_fadvise64(uintptr_t p1, off64_t p2, uintptr_t p3, uintptr_t p4)
+{
+	int fd = (int)p1;
+	int advice = (int)p4;
+	int32_t len = (int32_t)p3;
+	struct stat64 statb;
+
+	switch (advice) {
+	case POSIX_FADV_NORMAL:
+	case POSIX_FADV_RANDOM:
+	case POSIX_FADV_SEQUENTIAL:
+	case POSIX_FADV_WILLNEED:
+	case POSIX_FADV_DONTNEED:
+	case POSIX_FADV_NOREUSE:
+		break;
+	default:
+		return (-EINVAL);
+	}
+	if (len < 0)
+		return (-EINVAL);
+	if (fstat64(fd, &statb) != 0)
+		return (-EBADF);
+	if (S_ISFIFO(statb.st_mode))
+		return (-ESPIPE);
+	return (0);
+}
+
+long
+lx_fadvise64_64(uintptr_t p1, off64_t p2, off64_t p3, uintptr_t p4)
+{
+
+	if (p3 < 0)
+		return (-EINVAL);
+
+	return (lx_fadvise64(p1, p2, 0, p4));
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/file.c b/usr/src/lib/brand/lx/lx_brand/common/file.c
new file mode 100644
index 0000000000..0654ac5c3e
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/file.c
@@ -0,0 +1,724 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/fstyp.h>
+#include <sys/fsid.h>
+
+#include <errno.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/vnode.h>
+#include <fcntl.h>
+#include <string.h>
+#include <utime.h>
+#include <atomic.h>
+#include <sys/syscall.h>
+
+#include <sys/lx_syscall.h>
+#include <sys/lx_types.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_fcntl.h>
+
+#define	LX_UTIME_NOW	((1l << 30) - 1l)
+#define	LX_UTIME_OMIT	((1l << 30) - 2l)
+
+static int
+install_checkpath(uintptr_t p1)
+{
+	int saved_errno = errno;
+	char path[MAXPATHLEN];
+
+	/*
+	 * The "dev" RPM package wants to modify /dev/pts, but /dev/pts is a
+	 * lofs mounted copy of /native/dev/pts, so that won't work.
+	 *
+	 * Instead, if we're trying to modify /dev/pts from install mode, just
+	 * act as if it succeded.
+	 */
+	if (uucopystr((void *)p1, path, MAXPATHLEN) == -1)
+		return (-errno);
+
+	if (strcmp(path, "/dev/pts") == 0)
+		return (0);
+
+	errno = saved_errno;
+	return (-errno);
+}
+
+/*
+ * Convert linux LX_AT_* flags to solaris AT_* flags but skip verifying allowed
+ * flags have been passed. This also allows EACCESS/REMOVEDIR to be translated
+ * correctly since on linux they have the same value.
+ *
+ * Some code can actually pass in other bits in the flag. We may have to simply
+ * ignore these, as indicated by the enforce parameter. See lx_fchmodat for
+ * another example of this type of behavior.
+ */
+int
+ltos_at_flag(int lflag, int allow, boolean_t enforce)
+{
+	int sflag = 0;
+
+	if ((lflag & LX_AT_EACCESS) && (allow & AT_EACCESS)) {
+		lflag &= ~LX_AT_EACCESS;
+		sflag |= AT_EACCESS;
+	}
+
+	if ((lflag & LX_AT_REMOVEDIR) && (allow & AT_REMOVEDIR)) {
+		lflag &= ~LX_AT_REMOVEDIR;
+		sflag |= AT_REMOVEDIR;
+	}
+
+	if ((lflag & LX_AT_SYMLINK_NOFOLLOW) && (allow & AT_SYMLINK_NOFOLLOW)) {
+		lflag &= ~LX_AT_SYMLINK_NOFOLLOW;
+		sflag |= AT_SYMLINK_NOFOLLOW;
+	}
+
+	/* right now solaris doesn't have a _FOLLOW flag, so use a fake one */
+	if ((lflag & LX_AT_SYMLINK_FOLLOW) && (allow & LX_AT_SYMLINK_FOLLOW)) {
+		lflag &= ~LX_AT_SYMLINK_FOLLOW;
+		sflag |= LX_AT_SYMLINK_FOLLOW;
+	}
+
+	/* If lflag is not zero than some flags did not hit the above code. */
+	if (enforce && lflag)
+		return (-EINVAL);
+
+	return (sflag);
+}
+
+
+/*
+ * Miscellaneous file-related system calls.
+ */
+
+/*
+ * On Linux, even root cannot create a link to a directory, so we have to
+ * add an explicit check.
+ */
+long
+lx_link(uintptr_t p1, uintptr_t p2)
+{
+	char *from = (char *)p1;
+	char *to = (char *)p2;
+	struct stat64 statbuf;
+
+	if ((stat64(from, &statbuf) == 0) && S_ISDIR(statbuf.st_mode))
+		return (-EPERM);
+
+	return (link(from, to) ? -errno : 0);
+}
+
+/*
+ * On Linux, an unlink of a directory returns EISDIR, not EPERM.
+ */
+long
+lx_unlink(uintptr_t p)
+{
+	char *pathname = (char *)p;
+	struct stat64 statbuf;
+
+	if ((lstat64(pathname, &statbuf) == 0) && S_ISDIR(statbuf.st_mode))
+		return (-EISDIR);
+
+	/*
+	 * Some versions of the zone's /dev/log setup code (e.g. syslog-ng) get
+	 * cranky if they can't cleanup /dev/log so we lie and tell them they
+	 * succeeded.
+	 */
+	if (pathname != NULL) {
+		char p[MAXPATHLEN];
+
+		if (uucopystr((void *)pathname, p, sizeof (p)) < 0)
+			return (-errno);
+		if (strcmp(p, "/dev/log") == 0)
+			return (0);
+	}
+
+	return (unlink(pathname) ? -errno : 0);
+}
+
+long
+lx_unlinkat(uintptr_t ext1, uintptr_t p1, uintptr_t p2)
+{
+	int atfd = (int)ext1;
+	char *pathname = (char *)p1;
+	int flag = (int)p2;
+	struct stat64 statbuf;
+
+	if (atfd == LX_AT_FDCWD)
+		atfd = AT_FDCWD;
+
+	flag = ltos_at_flag(flag, AT_REMOVEDIR, B_TRUE);
+	if (flag < 0)
+		return (-EINVAL);
+
+	if (!(flag & AT_REMOVEDIR)) {
+		/* Behave like unlink() */
+		if ((fstatat64(atfd, pathname, &statbuf, AT_SYMLINK_NOFOLLOW) ==
+		    0) && S_ISDIR(statbuf.st_mode))
+			return (-EISDIR);
+
+		if (pathname != NULL) {
+			char p[MAXPATHLEN];
+
+			if (uucopystr((void *)pathname, p, sizeof (p)) < 0)
+				return (-errno);
+			if (strcmp(p, "/dev/log") == 0)
+				return (0);
+		}
+	}
+
+	return (unlinkat(atfd, pathname, flag) ? -errno : 0);
+}
+
+/*
+ * fsync() and fdatasync() - On Illumos, these calls translate into a common
+ * fdsync() syscall with a different parameter. fsync is handled in the
+ * fsync wrapper.
+ */
+long
+lx_fsync(uintptr_t fd)
+{
+	int fildes = (int)fd;
+	struct stat64 statbuf;
+
+	if ((fstat64(fildes, &statbuf) == 0) &&
+	    (S_ISCHR(statbuf.st_mode) || S_ISFIFO(statbuf.st_mode)))
+		return (-EINVAL);
+
+	return (fsync((int)fd) ? -errno : 0);
+}
+
+long
+lx_fdatasync(uintptr_t fd)
+{
+	int fildes = (int)fd;
+	struct stat64 statbuf;
+
+	if ((fstat64(fildes, &statbuf) == 0) &&
+	    (S_ISCHR(statbuf.st_mode) || S_ISFIFO(statbuf.st_mode)))
+		return (-EINVAL);
+
+	return (fdatasync((int)fd) ? -errno : 0);
+}
+
+long
+lx_utime(uintptr_t p1, uintptr_t p2)
+{
+	int ret;
+
+	ret = utime((const char *)p1, (const struct utimbuf *)p2);
+
+	if (ret < 0) {
+		/*
+		 * If utime() failed and we're in install mode, return success
+		 * if the the reason we failed was because the source file
+		 * didn't actually exist or if we're trying to modify /dev/pts.
+		 */
+		if ((lx_install != 0) &&
+		    ((errno == ENOENT) || (install_checkpath(p1) == 0)))
+			return (0);
+
+		return (-errno);
+	}
+
+	return (0);
+}
+
+#if defined(_ILP32)
+/*
+ * llseek() - The Linux implementation takes an additional parameter, which is
+ * the resulting position in the file.
+ */
+long
+lx_llseek(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4,
+    uintptr_t p5)
+{
+	offset_t ret;
+	offset_t *res = (offset_t *)p4;
+
+	/* SEEK_DATA and SEEK_HOLE are only valid in Solaris */
+	if ((int)p5 > SEEK_END)
+		return (-EINVAL);
+
+	if ((ret = llseek((int)p1, LX_32TO64(p3, p2), p5)) < 0)
+		return (-errno);
+
+	*res = ret;
+	return (0);
+}
+#endif
+
+/*
+ * seek() - For 32-bit lx, when the resultant file offset cannot be represented
+ * in 32 bits, Linux performs the seek but Illumos doesn't, though both set
+ * EOVERFLOW.  We call llseek() and then check to see if we need to return
+ * EOVERFLOW.
+ */
+long
+lx_lseek(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	offset_t offset = (offset_t)(off_t)(p2);	/* sign extend */
+	offset_t ret;
+#if defined(_ILP32)
+	off_t ret32;
+#endif
+
+	/* SEEK_DATA and SEEK_HOLE are only valid in Illumos */
+	if ((int)p3 > SEEK_END)
+		return (-EINVAL);
+
+	if ((ret = llseek((int)p1, offset, p3)) < 0)
+		return (-errno);
+
+#if defined(_LP64)
+	return (ret);
+#else
+	ret32 = (off_t)ret;
+	if ((offset_t)ret32 == ret)
+		return (ret32);
+	else
+		return (-EOVERFLOW);
+#endif
+}
+
+/*
+ * Neither Illumos nor Linux actually returns anything to the caller, but glibc
+ * expects to see SOME value returned, so placate it and return 0.
+ */
+long
+lx_sync(void)
+{
+	sync();
+	return (0);
+}
+
+long
+lx_rmdir(uintptr_t p1)
+{
+	int r;
+	char *nm = (char *)p1;
+
+	r = rmdir(nm);
+	if (r < 0) {
+		int terr = errno;
+
+		/*
+		 * On both Illumos and Linux rmdir returns EINVAL if the last
+		 * component of the path is '.', but on Illumos we also return
+		 * this errno if we're trying to remove the CWD. Unfortunately,
+		 * at least the LTP test suite assumes that it can rmdir the
+		 * CWD, so we need handle this. We try to get out of the
+		 * directory we're trying to remove.
+		 */
+		if (terr == EINVAL) {
+			int l;
+
+			l = strlen(nm);
+			if (l >= 2 && !(nm[l - 2] == '/' && nm[l - 1] == '.')) {
+				if (chdir("..") == 0 && rmdir(nm) == 0) {
+					return (0);
+				}
+			}
+		}
+
+		return ((terr == EEXIST) ? -ENOTEMPTY : -terr);
+	}
+	return (0);
+}
+
+/*
+ * Exactly the same as Illumos' sysfs(2), except Linux numbers their fs indices
+ * starting at 0, and Illumos starts at 1.
+ */
+long
+lx_sysfs(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	int option = (int)p1;
+	int res;
+
+	/*
+	 * Linux actually doesn't have #defines for these; their sysfs(2)
+	 * man page literally defines the "option" field as being 1, 2 or 3,
+	 * corresponding to Solaris' GETFSIND, GETFSTYP and GETNFSTYP,
+	 * respectively.
+	 */
+	switch (option) {
+		case 1:
+			if ((res = sysfs(GETFSIND, (const char *)p2)) < 0)
+				return (-errno);
+
+			return (res - 1);
+
+		case 2:
+			if ((res = sysfs(GETFSTYP, (int)p2 + 1,
+			    (char *)p3)) < 0)
+				return (-errno);
+
+			return (0);
+
+		case 3:
+			if ((res = sysfs(GETNFSTYP)) < 0)
+				return (-errno);
+
+			return (res);
+
+		default:
+			break;
+	}
+
+	return (-EINVAL);
+}
+
+/*
+ * For Illumos, access() does this:
+ *    If the process has appropriate privileges, an implementation may indicate
+ *    success for X_OK even if none of the execute file permission bits are set.
+ *
+ * But for Linux, access() does this:
+ *    If the calling process is privileged (i.e., its real UID is zero), then
+ *    an X_OK check is successful for a regular file if execute permission is
+ *    enabled for any of the file owner, group, or other.
+ *
+ * Linux used to behave more like Illumos on older kernels:
+ *    In  kernel  2.4 (and earlier) there is some strangeness in the handling
+ *    of X_OK tests for superuser.  If all categories of  execute  permission
+ *    are  disabled for a nondirectory file, then the only access() test that
+ *    returns -1 is when mode is specified as just X_OK; if R_OK or  W_OK  is
+ *    also  specified in mode, then access() returns 0 for such files.  Early
+ *    2.6 kernels (up to and including 2.6.3) also behaved in the same way as
+ *    kernel 2.4.
+ *
+ * So we need to handle the case where a privileged process is checking for
+ * X_OK but none of the execute bits are set on the file. We'll keep the old
+ * 2.4 behavior for 2.4 emulation but use the new behavior for any other
+ * kernel rev. (since 2.6.3 is uninteresting, no relevant distros use that).
+ */
+long
+lx_access(uintptr_t p1, uintptr_t p2)
+{
+	char *path = (char *)p1;
+	int mode = (mode_t)p2;
+	int ret;
+
+	ret = access(path, mode);
+
+	if (ret == 0 && (mode & X_OK) && strncmp(lx_release, "2.4", 3) != 0 &&
+	    getuid() == 0) {
+		/* check for incorrect execute success */
+		struct stat64 sb;
+
+		if (stat64(path, &sb) < 0)
+			return (-errno);
+
+		if ((sb.st_mode & S_IFMT) == S_IFREG &&
+		    !(sb.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) {
+			/* no execute bits are set in the mode */
+			return (-EACCES);
+		}
+	}
+
+	return (ret ? -errno : 0);
+
+}
+
+long
+lx_faccessat(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4)
+{
+	int atfd = (int)p1;
+	char *path = (char *)p2;
+	int mode = (mode_t)p3;
+	int flag = (int)p4;
+
+	if (atfd == LX_AT_FDCWD)
+		atfd = AT_FDCWD;
+
+	flag = ltos_at_flag(flag, AT_EACCESS, B_FALSE);
+	if (flag < 0)
+		return (-EINVAL);
+
+	return (faccessat(atfd, path, mode, flag) ? -errno : 0);
+}
+
+long
+lx_futimesat(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	int atfd = (int)p1;
+	char *path = (char *)p2;
+	struct timeval *times = (struct timeval *)p3;
+
+	if (atfd == LX_AT_FDCWD)
+		atfd = AT_FDCWD;
+
+	return (futimesat(atfd, path, times) ? -errno : 0);
+}
+
+/*
+ * From the utimensat man page:
+ * On Linux, futimens() is a library function implemented on top of the
+ * utimensat() system call. To support this, the Linux utimensat() system
+ * call implements a nonstandard feature: if pathname is NULL, then the
+ * call modifies the timestamps of the file referred to by the file
+ * descriptor dirfd (which may refer to any type of file). Using this
+ * feature, the call futimens(fd, times) is implemented as:
+ *
+ *     utimensat(fd, NULL, times, 0);
+ *
+ * Some of the returns fail here. Linux allows the time to be modified if:
+ *
+ *   the caller must have write access to the file
+ * or
+ *   the caller's effective user ID must match the owner of the file
+ * or
+ *   the caller must have appropriate privileges
+ *
+ * We behave differently. We fail with EPERM if:
+ *
+ *   the calling process's euid has write access to the file but does not match
+ *   the owner of the file and the calling process does not have the
+ *   appropriate privileges
+ *
+ * This causes some of the LTP utimensat tests to fail because they expect an
+ * unprivileged process can update the time on a file it can write but does not
+ * own. There are also other LTP failures when the test uses attributes
+ * (e.g. chattr a+) and expects a failure, but we succeed.
+ */
+long
+lx_utimensat(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4)
+{
+	int fd = (int)p1;
+	const char *path = (const char *)p2;
+	const timespec_t *times = (const timespec_t *)p3;
+	timespec_t ts[2];
+	int flag = (int)p4;
+
+	if (times != NULL) {
+		if (uucopy((void *)p3, ts, sizeof (ts)) == -1)
+			return (-errno);
+
+		if (ts[0].tv_nsec == LX_UTIME_NOW)
+			ts[0].tv_nsec = UTIME_NOW;
+		if (ts[1].tv_nsec == LX_UTIME_NOW)
+			ts[1].tv_nsec = UTIME_NOW;
+
+		if (ts[0].tv_nsec == LX_UTIME_OMIT)
+			ts[0].tv_nsec = UTIME_OMIT;
+		if (ts[1].tv_nsec == LX_UTIME_OMIT)
+			ts[1].tv_nsec = UTIME_OMIT;
+
+		times = (const timespec_t *)ts;
+	}
+
+	if (flag == LX_AT_SYMLINK_NOFOLLOW)
+		flag = AT_SYMLINK_NOFOLLOW;
+
+	if (fd == LX_AT_FDCWD)
+		fd = AT_FDCWD;
+
+	if (path == NULL) {
+		return (futimens(fd, times) ? -errno : 0);
+	} else {
+		return (utimensat(fd, path, times, flag) ? -errno : 0);
+	}
+}
+
+/*
+ * Constructs an absolute path string in buf from the path of fd and the
+ * relative path string pointed to by "p1". This is required for emulating
+ * *at() system calls.
+ * Example:
+ *    If the path of fd is "/foo/bar" and path is "etc" the string returned is
+ *    "/foo/bar/etc", if the fd is a file fd then it fails with ENOTDIR.
+ *    If path is absolute then no modifcations are made to it when copied.
+ */
+static int
+getpathat(int fd, uintptr_t p1, char *outbuf, size_t outbuf_size)
+{
+	char pathbuf[MAXPATHLEN];
+	char fdpathbuf[MAXPATHLEN];
+	char *fdpath;
+	struct stat64 statbuf;
+
+	if (uucopystr((void *)p1, pathbuf, MAXPATHLEN) == -1)
+		return (-errno);
+
+	/* If the path is absolute then we can early out */
+	if ((pathbuf[0] == '/') || (fd == LX_AT_FDCWD)) {
+		(void) strlcpy(outbuf, pathbuf, outbuf_size);
+		return (0);
+	}
+
+	fdpath = lx_fd_to_path(fd, fdpathbuf, sizeof (fdpathbuf));
+	if (fdpath == NULL)
+		return (-EBADF);
+
+	if ((fstat64(fd, &statbuf) < 0))
+		return (-EBADF);
+
+	if (!S_ISDIR(statbuf.st_mode))
+		return (-ENOTDIR);
+
+	if (snprintf(outbuf, outbuf_size, "%s/%s", fdpath, pathbuf) >
+	    (outbuf_size-1))
+		return (-ENAMETOOLONG);
+
+	return (0);
+}
+
+long
+lx_mknodat(uintptr_t ext1, uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	int atfd = (int)ext1;
+	char pathbuf[MAXPATHLEN];
+	int ret;
+
+	ret = getpathat(atfd, p1, pathbuf, sizeof (pathbuf));
+	if (ret < 0)
+		return (ret);
+
+	return (lx_mknod((uintptr_t)pathbuf, p2, p3));
+}
+
+long
+lx_symlinkat(uintptr_t p1, uintptr_t ext1, uintptr_t p2)
+{
+	int atfd = (int)ext1;
+	char pathbuf[MAXPATHLEN];
+	int ret;
+
+	ret = getpathat(atfd, p2, pathbuf, sizeof (pathbuf));
+	if (ret < 0) {
+		if (ret == -EBADF) {
+			/*
+			 * Try to figure out correct Linux errno. We know path
+			 * is relative. Check if we have a fd for a dir which
+			 * has been removed.
+			 */
+			if (atfd != -1 && lx_fd_to_path(atfd, pathbuf,
+			    sizeof (pathbuf)) == NULL)
+				ret = -ENOENT;
+		}
+		return (ret);
+	}
+
+	return (symlink((char *)p1, pathbuf) ? -errno : 0);
+}
+
+long
+lx_linkat(uintptr_t ext1, uintptr_t p1, uintptr_t ext2, uintptr_t p2,
+    uintptr_t p3)
+{
+	int atfd1 = (int)ext1;
+	int atfd2 = (int)ext2;
+	char pathbuf1[MAXPATHLEN];
+	char pathbuf2[MAXPATHLEN];
+	int ret;
+
+	/*
+	 * The flag specifies whether the hardlink will point to a symlink or
+	 * not, on solaris the default behaviour of link() is to dereference a
+	 * symlink and there is no obvious way to trigger the other behaviour.
+	 * So for now we just ignore this flag and act like link().
+	 */
+	int flag = p3;
+
+	/* return proper error for invalid flags */
+	if ((flag & ~(LX_AT_SYMLINK_FOLLOW | LX_AT_EMPTY_PATH)) != 0)
+		return (-EINVAL);
+
+	ret = getpathat(atfd1, p1, pathbuf1, sizeof (pathbuf1));
+	if (ret < 0) {
+		if (ret == -EBADF) {
+			/*
+			 * Try to figure out correct Linux errno. We know path
+			 * is relative. Check if we have a fd for a dir which
+			 * has been removed.
+			 */
+			if (atfd1 != -1 && lx_fd_to_path(atfd1, pathbuf1,
+			    sizeof (pathbuf1)) == NULL)
+				ret = -ENOENT;
+		}
+		return (ret);
+	}
+
+	ret = getpathat(atfd2, p2, pathbuf2, sizeof (pathbuf2));
+	if (ret < 0) {
+		if (ret == -EBADF) {
+			/*
+			 * Try to figure out correct Linux errno. We know path
+			 * is relative. Check if we have a fd for a dir which
+			 * has been removed.
+			 */
+			if (atfd2 != -1 && lx_fd_to_path(atfd2, pathbuf2,
+			    sizeof (pathbuf2)) == NULL)
+				ret = -ENOENT;
+		}
+		return (ret);
+	}
+
+	return (lx_link((uintptr_t)pathbuf1, (uintptr_t)pathbuf2));
+}
+
+long
+lx_readlink(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	int ret;
+
+	if ((size_t)p3 <= 0)
+		return (-EINVAL);
+
+	ret = readlink((char *)p1, (char *)p2, (size_t)p3);
+	if (ret < 0)
+		return (-errno);
+
+	return (ret);
+}
+
+long
+lx_readlinkat(uintptr_t ext1, uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	int atfd = (int)ext1;
+	char pathbuf[MAXPATHLEN];
+	int ret;
+
+	if ((size_t)p3 <= 0)
+		return (-EINVAL);
+
+	ret = getpathat(atfd, p1, pathbuf, sizeof (pathbuf));
+	if (ret < 0)
+		return (ret);
+
+	ret = readlink(pathbuf, (char *)p2, (size_t)p3);
+	if (ret < 0)
+		return (-errno);
+
+	return (ret);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/fork.c b/usr/src/lib/brand/lx/lx_brand/common/fork.c
new file mode 100644
index 0000000000..7ade1a1d5b
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/fork.c
@@ -0,0 +1,112 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_syscall.h>
+
+/*
+ * fork() and vfork()
+ *
+ * These cannot be pass thru system calls because we need libc to do its own
+ * initialization or else bad things will happen (i.e. ending up with a bad
+ * schedctl page).  On Linux, there is no such thing as forkall(), so we use
+ * fork1() here.
+ *
+ * For vfork(), we have a serious problem because the child is not allowed to
+ * return from the current frame because it will corrupt the parent's stack.
+ * Since the semantics of vfork() are rather ill-defined (other than "it's
+ * faster than fork"), we should theoretically be safe by falling back to
+ * fork1().
+ */
+static long
+lx_fork_common(boolean_t is_vfork)
+{
+	int ret;
+	int ptopt = is_vfork ? LX_PTRACE_O_TRACEVFORK : LX_PTRACE_O_TRACEFORK;
+
+	/*
+	 * Inform the in-kernel ptrace(2) subsystem that we are about to
+	 * emulate fork(2).
+	 */
+	lx_ptrace_clone_begin(ptopt, B_FALSE);
+
+	/*
+	 * Suspend signal delivery, run the stack management prefork handler
+	 * and perform the fork operation.
+	 */
+	_sigoff();
+	lx_stack_prefork();
+	ret = fork1();
+	lx_stack_postfork();
+
+	switch (ret) {
+	case -1:
+		_sigon();
+		return (-errno);
+
+	case 0:
+		/*
+		 * Returning in the new child.  We must free the stacks and
+		 * thread-specific data objects for the threads we did not
+		 * duplicate; i.e. every other thread.
+		 */
+		lx_free_other_stacks();
+
+		lx_ptrace_stop_if_option(ptopt, B_TRUE, 0, NULL);
+
+		/*
+		 * Re-enable signal delivery in the child and return to the
+		 * new process.
+		 */
+		_sigon();
+		return (0);
+
+	default:
+		lx_ptrace_stop_if_option(ptopt, B_FALSE, (ulong_t)ret, NULL);
+
+		/*
+		 * Re-enable signal delivery in the parent and return from
+		 * the emulated system call.
+		 */
+		_sigon();
+		return (ret);
+	}
+}
+
+long
+lx_fork(void)
+{
+	return (lx_fork_common(B_FALSE));
+}
+
+long
+lx_vfork(void)
+{
+	return (lx_fork_common(B_TRUE));
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/id.c b/usr/src/lib/brand/lx/lx_brand/common/id.c
new file mode 100644
index 0000000000..cd5baefa7d
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/id.c
@@ -0,0 +1,271 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include <procfs.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/zone.h>
+#include <sys/lx_types.h>
+#include <sys/lx_syscall.h>
+#include <sys/cred_impl.h>
+#include <sys/policy.h>
+#include <sys/ucred.h>
+#include <sys/syscall.h>
+#include <alloca.h>
+#include <errno.h>
+#include <ucred.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/lx_misc.h>
+
+
+long
+lx_setuid16(uintptr_t uid)
+{
+	return ((setuid(LX_UID16_TO_UID32((lx_uid16_t)uid))) ? -errno : 0);
+}
+
+long
+lx_getuid16(void)
+{
+	return ((int)LX_UID32_TO_UID16(getuid()));
+}
+
+long
+lx_setgid16(uintptr_t gid)
+{
+	return ((setgid(LX_GID16_TO_GID32((lx_gid16_t)gid))) ? -errno : 0);
+}
+
+long
+lx_getgid16(void)
+{
+	return ((int)LX_GID32_TO_GID16(getgid()));
+}
+
+long
+lx_geteuid16(void)
+{
+	return ((int)LX_UID32_TO_UID16(geteuid()));
+}
+
+long
+lx_getegid16(void)
+{
+	return ((int)LX_GID32_TO_GID16(getegid()));
+}
+
+long
+lx_geteuid(void)
+{
+	return ((int)geteuid());
+}
+
+long
+lx_getegid(void)
+{
+	return ((int)getegid());
+}
+
+long
+lx_getresuid(uintptr_t ruid, uintptr_t euid, uintptr_t suid)
+{
+	lx_uid_t lx_ruid, lx_euid, lx_suid;
+	ucred_t	*cr;
+	size_t sz;
+
+	/*
+	 * We allocate a ucred_t ourselves rather than call ucred_get(3C)
+	 * because ucred_get() calls malloc(3C), which the brand library cannot
+	 * use.  Because we allocate the space with SAFE_ALLOCA(), there's
+	 * no need to free it when we're done.
+	 */
+	sz = ucred_size();
+	cr = (ucred_t *)SAFE_ALLOCA(sz);
+	if (cr == NULL)
+		return (-ENOMEM);
+
+	if (syscall(SYS_ucredsys, UCREDSYS_UCREDGET, P_MYID, cr) != 0)
+		return (-errno);
+
+	if (((lx_ruid = (lx_uid_t)ucred_getruid(cr)) == (lx_uid_t)-1) ||
+	    ((lx_euid = (lx_uid_t)ucred_geteuid(cr)) == (lx_uid_t)-1) ||
+	    ((lx_suid = (lx_uid_t)ucred_getsuid(cr)) == (lx_uid_t)-1)) {
+		return (-errno);
+	}
+
+	if (uucopy(&lx_ruid, (void *)ruid, sizeof (lx_uid_t)) != 0)
+		return (-errno);
+
+	if (uucopy(&lx_euid, (void *)euid, sizeof (lx_uid_t)) != 0)
+		return (-errno);
+
+	return ((uucopy(&lx_suid, (void *)suid, sizeof (lx_uid_t)) != 0)
+	    ? -errno : 0);
+}
+
+long
+lx_getresuid16(uintptr_t ruid16, uintptr_t euid16, uintptr_t suid16)
+{
+	lx_uid_t lx_ruid, lx_euid, lx_suid;
+	lx_uid16_t lx_ruid16, lx_euid16, lx_suid16;
+	int rv;
+
+	if ((rv = lx_getresuid((uintptr_t)&lx_ruid, (uintptr_t)&lx_euid,
+	    (uintptr_t)&lx_suid)) != 0)
+		return (rv);
+
+	lx_ruid16 = LX_UID32_TO_UID16(lx_ruid);
+	lx_euid16 = LX_UID32_TO_UID16(lx_euid);
+	lx_suid16 = LX_UID32_TO_UID16(lx_suid);
+
+	if (uucopy(&lx_ruid16, (void *)ruid16, sizeof (lx_uid16_t)) != 0)
+		return (-errno);
+
+	if (uucopy(&lx_euid16, (void *)euid16, sizeof (lx_uid16_t)) != 0)
+		return (-errno);
+
+	return ((uucopy(&lx_suid16, (void *)suid16, sizeof (lx_uid16_t)) != 0)
+	    ? -errno : 0);
+}
+
+long
+lx_getresgid(uintptr_t rgid, uintptr_t egid, uintptr_t sgid)
+{
+	ucred_t	*cr;
+	lx_gid_t lx_rgid, lx_egid, lx_sgid;
+	size_t sz;
+
+	/*
+	 * We allocate a ucred_t ourselves rather than call ucred_get(3C)
+	 * because ucred_get() calls malloc(3C), which the brand library cannot
+	 * use.  Because we allocate the space with SAFE_ALLOCA(), there's
+	 * no need to free it when we're done.
+	 */
+	sz = ucred_size();
+	cr = (ucred_t *)SAFE_ALLOCA(sz);
+	if (cr == NULL)
+		return (-ENOMEM);
+
+	if (syscall(SYS_ucredsys, UCREDSYS_UCREDGET, P_MYID, cr) != 0)
+		return (-errno);
+
+	if (((lx_rgid = (lx_gid_t)ucred_getrgid(cr)) == (lx_gid_t)-1) ||
+	    ((lx_egid = (lx_gid_t)ucred_getegid(cr)) == (lx_gid_t)-1) ||
+	    ((lx_sgid = (lx_gid_t)ucred_getsgid(cr)) == (lx_gid_t)-1)) {
+		return (-errno);
+	}
+
+	if (uucopy(&lx_rgid, (void *)rgid, sizeof (lx_gid_t)) != 0)
+		return (-errno);
+
+	if (uucopy(&lx_egid, (void *)egid, sizeof (lx_gid_t)) != 0)
+		return (-errno);
+
+	return ((uucopy(&lx_sgid, (void *)sgid, sizeof (lx_gid_t)) != 0)
+	    ? -errno : 0);
+}
+
+long
+lx_getresgid16(uintptr_t rgid16, uintptr_t egid16, uintptr_t sgid16)
+{
+	lx_gid_t lx_rgid, lx_egid, lx_sgid;
+	lx_gid16_t lx_rgid16, lx_egid16, lx_sgid16;
+	int rv;
+
+	if ((rv = lx_getresgid((uintptr_t)&lx_rgid, (uintptr_t)&lx_egid,
+	    (uintptr_t)&lx_sgid)) != 0)
+		return (rv);
+
+	lx_rgid16 = LX_UID32_TO_UID16(lx_rgid);
+	lx_egid16 = LX_UID32_TO_UID16(lx_egid);
+	lx_sgid16 = LX_UID32_TO_UID16(lx_sgid);
+
+	if (uucopy(&lx_rgid16, (void *)rgid16, sizeof (lx_gid16_t)) != 0)
+		return (-errno);
+
+	if (uucopy(&lx_egid16, (void *)egid16, sizeof (lx_gid16_t)) != 0)
+		return (-errno);
+
+	return ((uucopy(&lx_sgid16, (void *)sgid16, sizeof (lx_gid16_t)) != 0)
+	    ? -errno : 0);
+}
+
+long
+lx_setreuid16(uintptr_t ruid, uintptr_t euid)
+{
+	return ((setreuid(LX_UID16_TO_UID32((lx_uid16_t)ruid),
+	    LX_UID16_TO_UID32((lx_uid16_t)euid))) ? -errno : 0);
+}
+
+long
+lx_setregid16(uintptr_t rgid, uintptr_t egid)
+{
+	return ((setregid(LX_UID16_TO_UID32((lx_gid16_t)rgid),
+	    LX_UID16_TO_UID32((lx_gid16_t)egid))) ? -errno : 0);
+}
+
+/*
+ * The lx brand cannot support the setfs[ug]id16/setfs[ug]id calls as that
+ * would require significant rework of Solaris' privilege mechanisms, so
+ * instead return the current effective [ug]id.
+ *
+ * In Linux, fsids track effective IDs, so returning the effective IDs works
+ * as a substitute; returning the current value also denotes failure of the
+ * call if the caller had specified something different.  We don't need to
+ * worry about setting error codes because the Linux calls don't set any.
+ */
+/*ARGSUSED*/
+long
+lx_setfsuid16(uintptr_t fsuid16)
+{
+	return (lx_geteuid16());
+}
+
+/*ARGSUSED*/
+long
+lx_setfsgid16(uintptr_t fsgid16)
+{
+	return (lx_getegid16());
+}
+
+/*ARGSUSED*/
+long
+lx_setfsuid(uintptr_t fsuid)
+{
+	return (geteuid());
+}
+
+/*ARGSUSED*/
+long
+lx_setfsgid(uintptr_t fsgid)
+{
+	return (getegid());
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/iovec.c b/usr/src/lib/brand/lx/lx_brand/common/iovec.c
new file mode 100644
index 0000000000..b6d0f79c75
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/iovec.c
@@ -0,0 +1,309 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/uio.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <alloca.h>
+#include <string.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_types.h>
+
+static int
+lx_is_directory(int fd)
+{
+	struct stat64 sbuf;
+
+	if (fstat64(fd, &sbuf) < 0)
+		sbuf.st_mode = 0;
+
+	return ((sbuf.st_mode & S_IFMT) == S_IFDIR);
+}
+
+#if defined(_LP64)
+long
+lx_pread(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4)
+{
+	int 		fd = (int)p1;
+	void		*buf = (void *)p2;
+	size_t		nbyte = (size_t)p3;
+	off64_t		off = (off64_t)p4;
+	ssize_t		ret;
+
+	if (lx_is_directory(fd))
+		return (-EISDIR);
+
+	ret = pread64(fd, buf, nbyte, off);
+
+	if (ret < 0)
+		return (-errno);
+
+	return (ret);
+}
+
+/*
+ * On Linux, the pwrite(2) system call behaves identically to Solaris except
+ * in the case of the file being opened with O_APPEND. In that case Linux's
+ * pwrite(2) ignores the offset parameter and instead appends the data to the
+ * file without modifying the current seek pointer.
+ */
+long
+lx_pwrite(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4)
+{
+	int fd = (int)p1;
+	void *buf = (void *)p2;
+	size_t nbyte = (size_t)p3;
+	off64_t off = (off64_t)p4;
+	ssize_t ret;
+	int rval;
+	struct stat64 statbuf;
+
+	if ((rval = fcntl(fd, F_GETFL, 0)) < 0)
+		return (-errno);
+
+	if (!(rval & O_APPEND)) {
+		ret = pwrite64(fd, buf, nbyte, off);
+	} else if ((ret = fstat64(fd, &statbuf)) == 0) {
+		ret = pwrite64(fd, buf, nbyte, statbuf.st_size);
+	}
+
+	if (ret < 0)
+		return (-errno);
+
+	return (ret);
+}
+
+#else /* 32 bit */
+
+long
+lx_pread64(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4, uintptr_t p5)
+{
+	int 		fd = (int)p1;
+	void		*buf = (void *)p2;
+	size_t		nbyte = (size_t)p3;
+	uintptr_t	off_lo = p4;
+	uintptr_t	off_hi = p5;
+	ssize_t		ret;
+
+	if (lx_is_directory(fd))
+		return (-EISDIR);
+
+	ret = pread64(fd, buf, nbyte, (off64_t)LX_32TO64(off_lo, off_hi));
+
+	if (ret < 0)
+		return (-errno);
+
+	return (ret);
+}
+
+/*
+ * On Linux, the pwrite(2) system call behaves identically to Solaris except
+ * in the case of the file being opened with O_APPEND. In that case Linux's
+ * pwrite(2) ignores the offset parameter and instead appends the data to the
+ * file without modifying the current seek pointer.
+ */
+long
+lx_pwrite64(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4,
+    uintptr_t p5)
+{
+	int fd = (int)p1;
+	void *buf = (void *)p2;
+	size_t nbyte = (size_t)p3;
+	uintptr_t off_lo = p4;
+	uintptr_t off_hi = p5;
+	ssize_t ret;
+	int rval;
+	struct stat64 statbuf;
+
+	if ((rval = fcntl(fd, F_GETFL, 0)) < 0)
+		return (-errno);
+
+	if (!(rval & O_APPEND)) {
+		ret = pwrite64(fd, buf, nbyte,
+		    (off64_t)LX_32TO64(off_lo, off_hi));
+	} else if ((ret = fstat64(fd, &statbuf)) == 0) {
+		ret = pwrite64(fd, buf, nbyte, statbuf.st_size);
+	}
+
+	if (ret < 0)
+		return (-errno);
+
+	return (ret);
+}
+#endif
+
+/*
+ * Implementation of Linux readv() and writev() system calls.
+ *
+ * The Linux system calls differ from the Solaris system calls in a few key
+ * areas:
+ *
+ * - On Solaris, the maximum number of I/O vectors that can be passed to readv()
+ *   or writev() is IOV_MAX (16).  Linux has a much larger restriction (1024).
+ *
+ * - Passing 0 as a vector count is an error on Solaris, but on Linux results
+ *   in a return value of 0. Even though the man page says the opposite.
+ *
+ * - If the Nth vector results in an error, Solaris will return an error code
+ *   for the entire operation.  Linux only returns an error if there has been
+ *   no data transferred yet.  Otherwise, it returns the number of bytes
+ *   transferred up until that point.
+ *
+ * In order to accomodate these differences, we implement these functions as a
+ * series of ordinary read() or write() calls.
+ */
+
+#define	LX_IOV_MAX 1024		/* Also called MAX_IOVEC */
+
+static int
+lx_iovec_copy_and_check(const struct iovec *iovp, struct iovec *iov, int count)
+{
+#if defined(_ILP32)
+	int	i;
+	ssize_t	cnt = 0;
+#endif
+
+	if (uucopy(iovp, (void *)iov, count * sizeof (struct iovec)) != 0)
+		return (-errno);
+
+#if defined(_ILP32)
+	for (i = 0; i < count; i++) {
+		cnt += iov[i].iov_len;
+		if (iov[i].iov_len < 0 || cnt < 0)
+			return (-EINVAL);
+	}
+#endif
+
+	return (0);
+}
+
+long
+lx_readv(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	int			fd = (int)p1;
+	const struct iovec	*iovp = (const struct iovec *)p2;
+	int			count = (int)p3;
+	struct iovec		*iov;
+	ssize_t			total = 0, ret;
+	int			i;
+
+	if (count == 0)
+		return (0);
+
+	if (count < 0 || count > LX_IOV_MAX)
+		return (-EINVAL);
+
+	if (lx_is_directory(fd))
+		return (-EISDIR);
+
+	iov = SAFE_ALLOCA(count * sizeof (struct iovec));
+	if (iov == NULL)
+		return (-ENOMEM);
+	if ((ret = lx_iovec_copy_and_check(iovp, iov, count)) != 0)
+		return (ret);
+
+	for (i = 0; i < count; i++) {
+		ret = read(fd, iov[i].iov_base, iov[i].iov_len);
+
+		if (ret < 0) {
+			if (total > 0)
+				return (total);
+			return (-errno);
+		}
+
+		total += ret;
+	}
+
+	return (total);
+}
+
+long
+lx_writev(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	int			fd = (int)p1;
+	const struct iovec	*iovp = (const struct iovec *)p2;
+	int			count = (int)p3;
+	struct iovec		*iov;
+	ssize_t			total = 0, ret;
+	int			i;
+
+	if (count == 0)
+		return (0);
+
+	if (count < 0 || count > LX_IOV_MAX)
+		return (-EINVAL);
+
+	iov = SAFE_ALLOCA(count * sizeof (struct iovec));
+	if (iov == NULL)
+		return (-ENOMEM);
+	if ((ret = lx_iovec_copy_and_check(iovp, iov, count)) != 0)
+		return (ret);
+
+	for (i = 0; i < count; i++) {
+		ret = write(fd, iov[i].iov_base, iov[i].iov_len);
+
+		if (ret < 0) {
+			if (total > 0)
+				return (total);
+			return (-errno);
+		}
+
+		total += ret;
+	}
+
+	return (total);
+}
+
+long
+lx_preadv(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4)
+{
+	int 		fd = (int)p1;
+	const struct iovec *iovp = (const struct iovec *)p2;
+	int		cnt = (int)p3;
+	off_t		off = (off_t)p4;
+	ssize_t		ret;
+
+	ret = preadv(fd, iovp, cnt, off);
+	return (ret < 0 ? -errno : ret);
+}
+
+long
+lx_pwritev(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4)
+{
+	int 		fd = (int)p1;
+	const struct iovec *iovp = (const struct iovec *)p2;
+	int		cnt = (int)p3;
+	off_t		off = (off_t)p4;
+	ssize_t		ret;
+
+	ret = pwritev(fd, iovp, cnt, off);
+	return (ret < 0 ? -errno : ret);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/lx_brand.c b/usr/src/lib/brand/lx/lx_brand/common/lx_brand.c
new file mode 100644
index 0000000000..9109cd443a
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/lx_brand.c
@@ -0,0 +1,1612 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc. All rights reserved.
+ */
+
+#include <sys/types.h>
+#include <sys/syscall.h>
+#include <sys/utsname.h>
+#include <sys/inttypes.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <sys/fstyp.h>
+#include <sys/fsid.h>
+#include <sys/systm.h>
+#include <sys/auxv.h>
+#include <sys/frame.h>
+#include <zone.h>
+#include <sys/brand.h>
+#include <sys/epoll.h>
+#include <sys/stack.h>
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <unistd.h>
+#include <errno.h>
+#include <syslog.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <synch.h>
+#include <libelf.h>
+#include <libgen.h>
+#include <pthread.h>
+#include <utime.h>
+#include <dirent.h>
+#include <ucontext.h>
+#include <libintl.h>
+#include <locale.h>
+
+#include <sys/lx_misc.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_types.h>
+#include <sys/lx_stat.h>
+#include <sys/lx_statfs.h>
+#include <sys/lx_signal.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_thread.h>
+#include <sys/lx_thunk_server.h>
+#include <sys/lx_aio.h>
+
+/*
+ * There is a block comment in "uts/common/brand/lx/os/lx_brand.c" that
+ * describes the functioning of the LX brand in some detail.
+ *
+ * *** Setting errno
+ *
+ * This emulation library is loaded onto a seperate link map from the
+ * application whose address space we're running in. The Linux libc errno is
+ * independent of our native libc errno. To pass back an error the emulation
+ * function should return -errno back to the Linux caller.
+ */
+
+char lx_release[LX_VERS_MAX];
+char lx_cmd_name[MAXNAMLEN];
+
+/*
+ * Map a linux locale ending string to the solaris equivalent.
+ */
+struct lx_locale_ending {
+	const char	*linux_end;	/* linux ending string */
+	const char	*solaris_end;	/* to transform with this string */
+	int		le_size;	/* linux ending string length */
+	int		se_size;	/* solaris ending string length */
+};
+
+#define	l2s_locale(lname, sname) \
+	{(lname), (sname), sizeof ((lname)) - 1, sizeof ((sname)) - 1}
+
+#define	MAXLOCALENAMELEN	30
+#if !defined(TEXT_DOMAIN)		/* should be defined by cc -D */
+#define	TEXT_DOMAIN	"SYS_TEST"	/* Use this only if it wasn't */
+#endif
+
+/*
+ * Most syscalls return an int but some return something else, typically a
+ * ssize_t. This can be either an int or a long, depending on if we're compiled
+ * for 32-bit or 64-bit. To correctly propagate the -errno return code in the
+ * 64-bit case, we declare all emulation wrappers will return a long. Thus,
+ * when we save the return value into the %eax or %rax register and return to
+ * Linux, we will have the right size value in both the 32 and 64 bit cases.
+ */
+
+typedef long (*lx_syscall_handler_t)();
+
+static lx_syscall_handler_t lx_handlers[LX_NSYSCALLS + 1];
+
+static uintptr_t stack_bottom;
+
+#if defined(_LP64)
+long lx_fsb;
+long lx_fs;
+#endif
+int lx_install = 0;		/* install mode enabled if non-zero */
+int lx_verbose = 0;		/* verbose mode enabled if non-zero */
+int lx_debug_enabled = 0;	/* debugging output enabled if non-zero */
+
+pid_t zoneinit_pid;		/* zone init PID */
+
+thread_key_t lx_tsd_key;
+
+int
+uucopy_unsafe(const void *src, void *dst, size_t n)
+{
+	bcopy(src, dst, n);
+	return (0);
+}
+
+int
+uucopystr_unsafe(const void *src, void *dst, size_t n)
+{
+	(void) strncpy((char *)src, dst, n);
+	return (0);
+}
+
+static void
+i_lx_msg(int fd, char *msg, va_list ap)
+{
+	int	i;
+	char	buf[LX_MSG_MAXLEN];
+
+	/* LINTED [possible expansion issues] */
+	i = vsnprintf(buf, sizeof (buf), msg, ap);
+	buf[LX_MSG_MAXLEN - 1] = '\0';
+	if (i == -1)
+		return;
+
+	/* if debugging is enabled, send this message to debug output */
+	if (LX_DEBUG_ISENABLED)
+		lx_debug(buf);
+
+	if (fd == 2) {
+		/*
+		 * We let the user choose whether or not to see these
+		 * messages on the console.
+		 */
+		if (lx_verbose == 0)
+			return;
+	}
+
+	/* we retry in case of EINTR */
+	do {
+		i = write(fd, buf, strlen(buf));
+	} while ((i == -1) && (errno == EINTR));
+}
+
+/*PRINTFLIKE1*/
+void
+lx_err(char *msg, ...)
+{
+	va_list	ap;
+
+	assert(msg != NULL);
+
+	va_start(ap, msg);
+	i_lx_msg(STDERR_FILENO, msg, ap);
+	va_end(ap);
+}
+
+/*
+ * This is just a non-zero exit value which also isn't one that would allow
+ * us to easily detect if a branded process exited because of a recursive
+ * fatal error.
+ */
+#define	LX_ERR_FATAL	42
+
+/*
+ * Our own custom version of abort(), this routine will be used in place
+ * of the one located in libc.  The primary difference is that this version
+ * will first reset the signal handler for SIGABRT to SIG_DFL, ensuring the
+ * SIGABRT sent causes us to dump core and is not caught by a user program.
+ */
+void
+abort(void)
+{
+	static int aborting = 0;
+
+	struct sigaction sa;
+	sigset_t sigmask;
+
+	/* watch out for recursive calls to this function */
+	if (aborting != 0)
+		exit(LX_ERR_FATAL);
+
+	aborting = 1;
+
+	/*
+	 * Block all signals here to avoid taking any signals while exiting
+	 * in an effort to avoid any strange user interaction with our death.
+	 */
+	(void) sigfillset(&sigmask);
+	(void) sigprocmask(SIG_BLOCK, &sigmask, NULL);
+
+	/*
+	 * Our own version of abort(3C) that we know will never call
+	 * a user-installed SIGABRT handler first.  We WANT to die.
+	 *
+	 * Do this by resetting the handler to SIG_DFL, and releasing any
+	 * held SIGABRTs.
+	 *
+	 * If no SIGABRTs are pending, send ourselves one.
+	 *
+	 * The while loop is a bit of overkill, but abort(3C) does it to
+	 * assure it never returns so we will as well.
+	 */
+	(void) sigemptyset(&sa.sa_mask);
+	sa.sa_sigaction = SIG_DFL;
+	sa.sa_flags = 0;
+
+	for (;;) {
+		(void) sigaction(SIGABRT, &sa, NULL);
+		(void) sigrelse(SIGABRT);
+		(void) thr_kill(thr_self(), SIGABRT);
+	}
+
+	/*NOTREACHED*/
+}
+
+/*PRINTFLIKE1*/
+void
+lx_msg(char *msg, ...)
+{
+	va_list	ap;
+
+	assert(msg != NULL);
+	va_start(ap, msg);
+	i_lx_msg(STDOUT_FILENO, msg, ap);
+	va_end(ap);
+}
+
+/*PRINTFLIKE1*/
+void
+lx_err_fatal(char *msg, ...)
+{
+	va_list	ap;
+
+	assert(msg != NULL);
+
+	va_start(ap, msg);
+	i_lx_msg(STDERR_FILENO, msg, ap);
+	va_end(ap);
+	abort();
+}
+
+/*
+ * See if it is safe to alloca() sz bytes.  Return 1 for yes, 0 for no.
+ */
+int
+lx_check_alloca(size_t sz)
+{
+	uintptr_t sp = (uintptr_t)&sz;
+	uintptr_t end = sp - sz;
+
+	return ((end < sp) && (end >= stack_bottom));
+}
+
+/*PRINTFLIKE1*/
+void
+lx_unsupported(char *msg, ...)
+{
+	va_list	ap;
+	char dmsg[256];
+	int lastc;
+
+	assert(msg != NULL);
+
+	/* make a brand call so we can easily dtrace unsupported actions */
+	va_start(ap, msg);
+	/* LINTED [possible expansion issues] */
+	(void) vsnprintf(dmsg, sizeof (dmsg), msg, ap);
+	dmsg[255] = '\0';
+	lastc = strlen(dmsg) - 1;
+	if (dmsg[lastc] == '\n')
+		dmsg[lastc] = '\0';
+	(void) syscall(SYS_brand, B_UNSUPPORTED, dmsg);
+	va_end(ap);
+
+	/* send the msg to the error stream */
+	va_start(ap, msg);
+	i_lx_msg(STDERR_FILENO, msg, ap);
+	va_end(ap);
+}
+
+int lx_init(int argc, char *argv[], char *envp[]);
+
+lx_tsd_t *
+lx_get_tsd(void)
+{
+	int ret;
+	lx_tsd_t *lx_tsd;
+
+	if ((ret = thr_getspecific(lx_tsd_key, (void **)&lx_tsd)) != 0) {
+		lx_err_fatal("lx_get_tsd: unable to read "
+		    "thread-specific data: %s", strerror(ret));
+	}
+
+	assert(lx_tsd != 0);
+
+	return (lx_tsd);
+}
+
+/*
+ * This function is called from the kernel like a signal handler.  Each
+ * function call is a request to provide emulation for a system call that, on
+ * illumos, is implemented in userland.  The system call number selection and
+ * argument parsing have already been done by the kernel.
+ */
+void
+lx_emulate(ucontext_t *ucp, int syscall_num, uintptr_t *args)
+{
+	long emu_ret;
+	int emu_errno = 0;
+
+	LX_EMULATE_ENTER(ucp, syscall_num, args);
+	lx_debug("lx_emulate(%p, %d, [%p, %p, %p, %p, %p, %p])\n",
+	    ucp, syscall_num, args[0], args[1], args[2], args[3], args[4],
+	    args[5]);
+
+	/*
+	 * The kernel should have saved us a context that will not restore the
+	 * previous signal mask.  Some emulated system calls alter the signal
+	 * mask; restoring it after the emulation would cancel that out.
+	 */
+	assert(!(ucp->uc_flags & UC_SIGMASK));
+
+	/*
+	 * The kernel ensures that the syscall_num is sane; Use it as is.
+	 */
+	assert(syscall_num >= 0);
+	assert(syscall_num < (sizeof (lx_handlers) / sizeof (lx_handlers[0])));
+	if (lx_handlers[syscall_num] == NULL) {
+		lx_err_fatal("lx_emulate: kernel sent us a call we cannot "
+		    "emulate (%d)", syscall_num);
+	}
+
+	/*
+	 * Call our handler function:
+	 */
+	emu_ret = lx_handlers[syscall_num](args[0], args[1], args[2], args[3],
+	    args[4], args[5]);
+
+	/*
+	 * If the return value is between -1 and -4095 then it's an errno.
+	 * The kernel will translate it to the Linux equivalent for us.
+	 */
+	if (emu_ret < 0 && emu_ret > -4096) {
+		emu_errno = (int)-emu_ret;
+	}
+
+	/*
+	 * Return to the context we were passed
+	 */
+	LX_EMULATE_RETURN(ucp, syscall_num, emu_ret, emu_errno);
+	lx_debug("\tlx_emulate(%d) done (ret %ld / 0x%p ; errno %d)",
+	    syscall_num, emu_ret, emu_ret, emu_errno);
+	(void) syscall(SYS_brand, B_EMULATION_DONE, ucp, syscall_num, emu_ret,
+	    emu_errno);
+
+	assert(!"cannot be returned here");
+}
+
+static void
+lx_close_fh(FILE *file)
+{
+	int fd, fd_new;
+
+	if (file == NULL)
+		return;
+
+	if ((fd = fileno(file)) < 0)
+		return;
+
+	fd_new = dup(fd);
+	if (fd_new == -1)
+		return;
+
+	(void) fclose(file);
+	(void) dup2(fd_new, fd);
+	(void) close(fd_new);
+}
+
+
+extern int set_l10n_alternate_root(char *path);
+
+#if defined(_LP64)
+static void *
+map_vdso()
+{
+	int fd;
+	mmapobj_result_t	mpp[10]; /* we know the size of our lib */
+	mmapobj_result_t	*smpp = mpp;
+	uint_t			mapnum = 10;
+
+	if ((fd = open("/native/usr/lib/brand/lx/amd64/lx_vdso.so.1",
+	    O_RDONLY)) == -1)
+		lx_err_fatal("couldn't open lx_vdso.so.1");
+
+	if (mmapobj(fd, MMOBJ_INTERPRET, smpp, &mapnum, NULL) == -1)
+		lx_err_fatal("couldn't mmapobj lx_vdso.so.1");
+
+	(void) close(fd);
+
+	/* assume first segment is the base of the mapping */
+	return (smpp->mr_addr);
+}
+#endif
+
+/*
+ * Initialize the thread specific data for this thread.
+ */
+void
+lx_init_tsd(lx_tsd_t *lxtsd)
+{
+	int err;
+
+	bzero(lxtsd, sizeof (*lxtsd));
+	lxtsd->lxtsd_exit = LX_ET_NONE;
+
+	/*
+	 * The Linux alternate signal stack is initially disabled:
+	 */
+	lxtsd->lxtsd_sigaltstack.ss_flags = LX_SS_DISABLE;
+
+	/*
+	 * Create a per-thread exit context from the current register and
+	 * native/brand stack state.  Replace the saved program counter value
+	 * with the address of lx_exit_common(); we wish to revector there when
+	 * the thread or process is exiting.
+	 */
+	if (getcontext(&lxtsd->lxtsd_exit_context) != 0) {
+		lx_err_fatal("Unable to initialize thread-specific exit "
+		    "context: %s", strerror(errno));
+	}
+	LX_REG(&lxtsd->lxtsd_exit_context, REG_PC) = (uintptr_t)lx_exit_common;
+
+	/*
+	 * Align the stack pointer and clear the frame pointer.
+	 */
+	LX_REG(&lxtsd->lxtsd_exit_context, REG_FP) = 0;
+	LX_REG(&lxtsd->lxtsd_exit_context, REG_SP) &= ~(STACK_ALIGN - 1UL);
+#if defined(_LP64)
+#if (STACK_ENTRY_ALIGN != 8) && (STACK_ALIGN != 16)
+#error "lx_init_tsd: unexpected STACK_[ENTRY_]ALIGN values"
+#endif
+	/*
+	 * The AMD64 ABI requires that, on entry to a function, the stack
+	 * pointer must be 8-byte aligned, but _not_ 16-byte aligned.  When
+	 * the frame pointer is pushed, the alignment will then be correct.
+	 */
+	LX_REG(&lxtsd->lxtsd_exit_context, REG_SP) -= STACK_ENTRY_ALIGN;
+#endif
+
+	/*
+	 * Block all signals in the exit context to avoid taking any signals
+	 * (to the degree possible) while exiting.
+	 */
+	(void) sigfillset(&lxtsd->lxtsd_exit_context.uc_sigmask);
+
+	if ((err = thr_setspecific(lx_tsd_key, lxtsd)) != 0) {
+		lx_err_fatal("Unable to initialize thread-specific data: %s",
+		    strerror(err));
+	}
+}
+
+static void
+lx_start(uintptr_t sp, uintptr_t entry)
+{
+	ucontext_t jump_uc;
+
+	if (getcontext(&jump_uc) != 0) {
+		lx_err_fatal("Unable to getcontext for program start: %s",
+		    strerror(errno));
+	}
+
+	/*
+	 * We want to load the general registers from this
+	 * context, and switch to the BRAND stack.
+	 */
+	jump_uc.uc_flags = UC_CPU;
+	jump_uc.uc_brand_data[0] = (void *)LX_UC_STACK_BRAND;
+
+	LX_REG(&jump_uc, REG_FP) = NULL;
+	LX_REG(&jump_uc, REG_SP) = sp;
+	LX_REG(&jump_uc, REG_PC) = entry;
+
+#if defined(_LP64)
+	/*
+	 * The AMD64 ABI states that at process entry, %rdx contains "a
+	 * function pointer that the application should register with
+	 * atexit()".  We make sure to pass NULL explicitly so that
+	 * no function is registered.
+	 */
+	LX_REG(&jump_uc, REG_RDX) = NULL;
+#endif
+
+	lx_debug("starting Linux program sp %p ldentry %p", sp, entry);
+
+	/*
+	 * This system call should not return.
+	 */
+	if (syscall(SYS_brand, B_JUMP_TO_LINUX, &jump_uc) == -1) {
+		lx_err_fatal("B_JUMP_TO_LINUX failed: %s",
+		    strerror(errno));
+	}
+	abort();
+}
+
+/*ARGSUSED*/
+int
+lx_init(int argc, char *argv[], char *envp[])
+{
+	char		*r;
+	auxv_t		*ap;
+	long		*p;
+	int		err;
+	lx_elf_data_t	edp;
+	lx_brand_registration_t reg;
+	lx_tsd_t	*lxtsd;
+#if defined(_LP64)
+	void		*vdso_hdr;
+#endif
+
+	bzero(&reg, sizeof (reg));
+
+	stack_bottom = 2 * sysconf(_SC_PAGESIZE);
+
+	/*
+	 * We need to shutdown all libc stdio.  libc stdio normally goes to
+	 * file descriptors, but since we're actually part of a linux
+	 * process we don't own these file descriptors and we can't make
+	 * any assumptions about their state.
+	 */
+	lx_close_fh(stdin);
+	lx_close_fh(stdout);
+	lx_close_fh(stderr);
+
+	lx_debug_init();
+
+	r = getenv("LX_RELEASE");
+	if (r == NULL) {
+		if (zone_getattr(getzoneid(), LX_KERN_VERSION_NUM, lx_release,
+		    sizeof (lx_release)) != sizeof (lx_release))
+			(void) strlcpy(lx_release, "2.4.21", LX_VERS_MAX);
+	} else {
+		(void) strlcpy(lx_release, r, 128);
+	}
+
+	lx_debug("lx_release: %s\n", lx_release);
+
+	/*
+	 * Should we kill an application that attempts an unimplemented
+	 * system call?
+	 */
+	if (getenv("LX_STRICT") != NULL) {
+		reg.lxbr_flags |= LX_PROC_STRICT_MODE;
+		lx_debug("STRICT mode enabled.\n");
+	}
+
+	/*
+	 * Are we in install mode?
+	 */
+	if (getenv("LX_INSTALL") != NULL) {
+		reg.lxbr_flags |= LX_PROC_INSTALL_MODE;
+		lx_install = 1;
+		lx_debug("INSTALL mode enabled.\n");
+	}
+
+	/*
+	 * Should we attempt to send messages to the screen?
+	 */
+	if (getenv("LX_VERBOSE") != NULL) {
+		lx_verbose = 1;
+		lx_debug("VERBOSE mode enabled.\n");
+	}
+
+	(void) strlcpy(lx_cmd_name, basename(argv[0]), sizeof (lx_cmd_name));
+	lx_debug("executing linux process: %s", argv[0]);
+	lx_debug("branding myself and setting handler to 0x%p",
+	    (void *)lx_emulate);
+
+	reg.lxbr_version = LX_VERSION;
+	reg.lxbr_handler = (void *)&lx_emulate;
+
+	/*
+	 * Register the address of the user-space handler with the lx brand
+	 * module. As a side-effect this leaves the thread in native syscall
+	 * mode so that it's ok to continue to make syscalls during setup. We
+	 * need to switch to Linux mode at the end of initialization.
+	 */
+	if (syscall(SYS_brand, B_REGISTER, &reg))
+		lx_err_fatal("failed to brand the process");
+
+	/* Look up the PID that serves as init for this zone */
+	if ((err = lx_lpid_to_spid(1, &zoneinit_pid)) < 0)
+		lx_err_fatal("Unable to find PID for zone init process: %s",
+		    strerror(err));
+
+	/*
+	 * Upload data about the lx executable from the kernel.
+	 */
+	if (syscall(SYS_brand, B_ELFDATA, (void *)&edp))
+		lx_err_fatal("failed to get required ELF data from the kernel");
+
+	if (lx_stat_init() != 0)
+		lx_err_fatal("failed to setup the stat translator");
+
+	if (lx_statfs_init() != 0)
+		lx_err_fatal("failed to setup the statfs translator");
+
+	lx_ptrace_init();
+
+#if defined(_LP64)
+	vdso_hdr = map_vdso();
+#endif
+
+	/*
+	 * Find the aux vector on the stack.
+	 */
+	p = (long *)envp;
+	while (*p != NULL)
+		p++;
+	/*
+	 * p is now pointing at the 0 word after the environ pointers. After
+	 * that is the aux vectors.
+	 */
+	p++;
+	for (ap = (auxv_t *)p; ap->a_type != 0; ap++) {
+		switch (ap->a_type) {
+			case AT_BASE:
+				ap->a_un.a_val = edp.ed_base;
+				break;
+			case AT_ENTRY:
+				ap->a_un.a_val = edp.ed_entry;
+				break;
+			case AT_PHDR:
+				ap->a_un.a_val = edp.ed_phdr;
+				break;
+			case AT_PHENT:
+				ap->a_un.a_val = edp.ed_phent;
+				break;
+			case AT_PHNUM:
+				ap->a_un.a_val = edp.ed_phnum;
+				break;
+#if defined(_LP64)
+			case AT_SUN_BRAND_LX_SYSINFO_EHDR:
+				ap->a_type = AT_SYSINFO_EHDR;
+				ap->a_un.a_val = (long)vdso_hdr;
+				break;
+#endif
+			default:
+				break;
+		}
+	}
+
+	/* Do any thunk server initalization. */
+	lxt_server_init(argc, argv);
+
+	/* Setup signal handler information. */
+	if (lx_siginit()) {
+		lx_err_fatal("failed to initialize lx signals for the "
+		    "branded process");
+	}
+
+	/* Setup thread-specific data area for managing linux threads. */
+	if ((err = thr_keycreate(&lx_tsd_key, NULL)) != 0) {
+		lx_err_fatal("thr_keycreate(lx_tsd_key) failed: %s",
+		    strerror(err));
+	}
+
+	lx_debug("thr_keycreate created lx_tsd_key (%d)", lx_tsd_key);
+
+	/*
+	 * Initialize the thread specific data for this thread.
+	 */
+	if ((lxtsd = malloc(sizeof (*lxtsd))) == NULL) {
+		lx_err_fatal("failed to allocate tsd for main thread: %s",
+		    strerror(errno));
+	}
+	lx_debug("lx tsd allocated @ %p", lxtsd);
+	lx_init_tsd(lxtsd);
+
+	/*
+	 * Allocate the brand emulation stack for the main process thread.
+	 * Register the thread-specific data structure with the stack list so
+	 * that it may be freed at thread exit or fork(2).
+	 */
+	lx_install_stack(NULL, 0, lxtsd);
+
+	/*
+	 * The brand linker expects the stack pointer to point to
+	 * "argc", which is just before &argv[0].
+	 */
+	lx_start((uintptr_t)argv - sizeof (void *), edp.ed_ldentry);
+
+	/*NOTREACHED*/
+	abort();
+	return (0);
+}
+
+/*
+ * We "return" to this function via a context hand-crafted by
+ * "lx_init_tsd()"; see that function for more detail.
+ *
+ * NOTE: Our call frame is on the main thread stack, not the alternate native
+ * stack -- it is safe to release the latter here.  The frame does not have a
+ * valid return address, so this function MUST NOT return.
+ */
+void
+lx_exit_common(void)
+{
+	lx_tsd_t *lxtsd = lx_get_tsd();
+	int ev = (0xff & lxtsd->lxtsd_exit_status);
+
+	switch (lxtsd->lxtsd_exit) {
+	case LX_ET_EXIT:
+		lx_debug("lx_exit_common(LX_ET_EXIT, %d)\n", ev);
+
+		/*
+		 * If the thread is exiting, but not the entire process, we
+		 * must free the stack we allocated for usermode emulation.
+		 * This is safe to do here because the setcontext() put us
+		 * back on the BRAND stack for this process.  This function
+		 * also frees the thread-specific data object for this thread.
+		 */
+		lx_free_stack();
+
+		/*
+		 * The native thread return value is never seen so we pass
+		 * NULL.
+		 */
+		thr_exit(NULL);
+		break;
+
+	case LX_ET_EXIT_GROUP:
+		lx_debug("lx_exit_common(LX_ET_EXIT_GROUP, %d)\n", ev);
+		exit(ev);
+		break;
+
+	default:
+		abort();
+	}
+
+	abort();
+}
+
+const ucontext_t *
+lx_find_brand_uc(void)
+{
+	ucontext_t *ucp = NULL;
+
+	/*
+	 * Ask for the current emulation (or signal handling) ucontext_t...
+	 */
+	assert(syscall(SYS_brand, B_GET_CURRENT_CONTEXT, &ucp) == 0);
+
+	for (;;) {
+		uintptr_t flags;
+
+		lx_debug("lx_find_brand_uc: inspect ucp %p...\n", ucp);
+		assert(ucp != NULL);
+
+		flags = (uintptr_t)ucp->uc_brand_data[0];
+
+		if (flags & LX_UC_STACK_BRAND) {
+			lx_debug("lx_find_brand_uc: ucp %p\n", ucp);
+
+			return (ucp);
+		}
+
+		lx_debug("lx_find_brand_uc: skip non-BRAND ucp %p\n", ucp);
+
+		/*
+		 * Walk up the context chain to find the most recently stored
+		 * brand register state.
+		 */
+		ucp = ucp->uc_link;
+	}
+}
+
+uintptr_t
+lx_find_brand_sp(void)
+{
+	const ucontext_t *ucp = lx_find_brand_uc();
+	uintptr_t sp = LX_REG(ucp, REG_SP);
+
+	lx_debug("lx_find_brand_sp: ucp %p sp %p\n", ucp, sp);
+
+	return (sp);
+}
+
+ucontext_t *
+lx_syscall_regs(void)
+{
+	ucontext_t *ucp = NULL;
+	uintptr_t flags;
+
+	/*
+	 * Ask for the current emulation (or signal handling) ucontext_t...
+	 */
+	assert(syscall(SYS_brand, B_GET_CURRENT_CONTEXT, &ucp) == 0);
+	assert(ucp != NULL);
+
+	/*
+	 * Use of the lx_syscall_regs() function implies that the topmost (i.e.
+	 * current) context is for a system call emulation request from the
+	 * kernel, rather than a signal handling frame.
+	 */
+	flags = (uintptr_t)ucp->uc_brand_data[0];
+	assert(flags & LX_UC_FRAME_IS_SYSCALL);
+
+	lx_debug("lx_syscall_regs: ucp %p\n", ucp);
+
+	return (ucp);
+}
+
+int
+lx_lpid_to_spair(pid_t lpid, pid_t *spid, lwpid_t *slwp)
+{
+	pid_t pid;
+	lwpid_t tid;
+
+	if (lpid == 0) {
+		pid = getpid();
+		tid = thr_self();
+	} else {
+		if (syscall(SYS_brand, B_LPID_TO_SPAIR, lpid, &pid, &tid) < 0)
+			return (-errno);
+
+		/*
+		 * If the returned pid is -1, that indicates we tried to
+		 * look up the PID for init, but that process no longer
+		 * exists.
+		 */
+		if (pid == -1)
+			return (-ESRCH);
+	}
+
+	if (uucopy(&pid, spid, sizeof (pid_t)) != 0)
+		return (-errno);
+
+	if (uucopy(&tid, slwp, sizeof (lwpid_t)) != 0)
+		return (-errno);
+
+	return (0);
+}
+
+int
+lx_lpid_to_spid(pid_t lpid, pid_t *spid)
+{
+	lwpid_t slwp;
+
+	return (lx_lpid_to_spair(lpid, spid, &slwp));
+}
+
+char *
+lx_fd_to_path(int fd, char *buf, int buf_size)
+{
+	char	path_proc[MAXPATHLEN];
+	pid_t	pid;
+	int	n;
+
+	assert((buf != NULL) && (buf_size >= 0));
+
+	if (fd < 0)
+		return (NULL);
+
+	if ((pid = getpid()) == -1)
+		return (NULL);
+
+	(void) snprintf(path_proc, MAXPATHLEN,
+	    "/native/proc/%d/path/%d", pid, fd);
+
+	if ((n = readlink(path_proc, buf, buf_size - 1)) == -1)
+		return (NULL);
+	buf[n] = '\0';
+
+	return (buf);
+}
+
+#if defined(_LP64)
+/* The following is the 64-bit syscall table */
+
+static lx_syscall_handler_t lx_handlers[] = {
+	NULL,				/*   0: read */
+	NULL,				/*   1: write */
+	NULL,				/*   2: open */
+	lx_close,			/*   3: close */
+	lx_stat64,			/*   4: stat */
+	lx_fstat64,			/*   5: fstat */
+	lx_lstat64,			/*   6: lstat */
+	lx_poll,			/*   7: poll */
+	lx_lseek,			/*   8: lseek */
+	lx_mmap,			/*   9: mmap */
+	lx_mprotect,			/*  10: mprotect */
+	lx_munmap,			/*  11: munmap */
+	NULL,				/*  12: brk */
+	lx_rt_sigaction,		/*  13: rt_sigaction */
+	lx_rt_sigprocmask,		/*  14: rt_sigprocmask */
+	lx_rt_sigreturn,		/*  15: rt_sigreturn */
+	NULL,				/*  16: ioctl */
+	lx_pread,			/*  17: pread64 */
+	lx_pwrite,			/*  18: pwrite64 */
+	lx_readv,			/*  19: readv */
+	lx_writev,			/*  20: writev */
+	lx_access,			/*  21: access */
+	NULL,				/*  22: pipe */
+	lx_select,			/*  23: select */
+	NULL,				/*  24: sched_yield */
+	lx_remap,			/*  25: mremap */
+	lx_msync,			/*  26: msync */
+	lx_mincore,			/*  27: mincore */
+	lx_madvise,			/*  28: madvise */
+	lx_shmget,			/*  29: shmget */
+	lx_shmat,			/*  30: shmat */
+	lx_shmctl,			/*  31: shmctl */
+	lx_dup,				/*  32: dup */
+	lx_dup2,			/*  33: dup2 */
+	lx_pause,			/*  34: pause */
+	lx_nanosleep,			/*  35: nanosleep */
+	lx_getitimer,			/*  36: getitimer */
+	lx_alarm,			/*  37: alarm */
+	lx_setitimer,			/*  38: setitimer */
+	NULL,				/*  39: getpid */
+	lx_sendfile64,			/*  40: sendfile */
+	lx_socket,			/*  41: socket */
+	lx_connect,			/*  42: connect */
+	lx_accept,			/*  43: accept */
+	lx_sendto,			/*  44: sendto */
+	lx_recvfrom,			/*  45: recvfrom */
+	lx_sendmsg,			/*  46: sendmsg */
+	lx_recvmsg,			/*  47: recvmsg */
+	lx_shutdown,			/*  48: shutdown */
+	lx_bind,			/*  49: bind */
+	lx_listen,			/*  50: listen */
+	lx_getsockname,			/*  51: getsockname */
+	lx_getpeername,			/*  52: getpeername */
+	lx_socketpair,			/*  53: socketpair */
+	lx_setsockopt,			/*  54: setsockopt */
+	lx_getsockopt,			/*  55: getsockopt */
+	lx_clone,			/*  56: clone */
+	lx_fork,			/*  57: fork */
+	lx_vfork,			/*  58: vfork */
+	lx_execve,			/*  59: execve */
+	lx_exit,			/*  60: exit */
+	NULL,				/*  61: wait4 */
+	NULL,				/*  62: kill */
+	lx_uname,			/*  63: uname */
+	lx_semget,			/*  64: semget */
+	lx_semop,			/*  65: semop */
+	lx_semctl,			/*  66: semctl */
+	lx_shmdt,			/*  67: shmdt */
+	lx_msgget,			/*  68: msgget */
+	lx_msgsnd,			/*  69: msgsnd */
+	lx_msgrcv,			/*  70: msgrcv */
+	lx_msgctl,			/*  71: msgctl */
+	NULL,				/*  72: fcntl */
+	lx_flock,			/*  73: flock */
+	lx_fsync,			/*  74: fsync */
+	lx_fdatasync,			/*  75: fdatasync */
+	lx_truncate,			/*  76: truncate */
+	lx_ftruncate,			/*  77: ftruncate */
+	lx_getdents,			/*  78: getdents */
+	lx_getcwd,			/*  79: getcwd */
+	lx_chdir,			/*  80: chdir */
+	lx_fchdir,			/*  81: fchdir */
+	lx_rename,			/*  82: rename */
+	NULL,				/*  83: mkdir */
+	lx_rmdir,			/*  84: rmdir */
+	lx_creat,			/*  85: creat */
+	lx_link,			/*  86: link */
+	lx_unlink,			/*  87: unlink */
+	lx_symlink,			/*  88: symlink */
+	lx_readlink,			/*  89: readlink */
+	NULL,				/*  90: chmod */
+	NULL,				/*  91: fchmod */
+	NULL,				/*  92: chown */
+	NULL,				/*  93: fchown */
+	NULL,				/*  94: lchown */
+	lx_umask,			/*  95: umask */
+	NULL,				/*  96: gettimeofday */
+	NULL,				/*  97: getrlimit */
+	lx_getrusage,			/*  98: getrusage */
+	NULL,				/*  99: sysinfo */
+	lx_times,			/* 100: times */
+	lx_ptrace,			/* 101: ptrace */
+	lx_getuid,			/* 102: getuid */
+	lx_syslog,			/* 103: syslog */
+	lx_getgid,			/* 104: getgid */
+	lx_setuid,			/* 105: setuid */
+	lx_setgid,			/* 106: setgid */
+	lx_geteuid,			/* 107: geteuid */
+	lx_getegid,			/* 108: getegid */
+	lx_setpgid,			/* 109: setpgid */
+	NULL,				/* 110: getppid */
+	lx_getpgrp,			/* 111: getpgrp */
+	lx_setsid,			/* 112: setsid */
+	lx_setreuid,			/* 113: setreuid */
+	lx_setregid,			/* 114: setregid */
+	lx_getgroups,			/* 115: getgroups */
+	lx_setgroups,			/* 116: setgroups */
+	NULL,				/* 117: setresuid */
+	lx_getresuid,			/* 118: getresuid */
+	NULL,				/* 119: setresgid */
+	lx_getresgid,			/* 120: getresgid */
+	lx_getpgid,			/* 121: getpgid */
+	lx_setfsuid,			/* 122: setfsuid */
+	lx_setfsgid,			/* 123: setfsgid */
+	lx_getsid,			/* 124: getsid */
+	lx_capget,			/* 125: capget */
+	lx_capset,			/* 126: capset */
+	lx_rt_sigpending,		/* 127: rt_sigpending */
+	lx_rt_sigtimedwait,		/* 128: rt_sigtimedwait */
+	lx_rt_sigqueueinfo,		/* 129: rt_sigqueueinfo */
+	lx_rt_sigsuspend,		/* 130: rt_sigsuspend */
+	lx_sigaltstack,			/* 131: sigaltstack */
+	lx_utime,			/* 132: utime */
+	lx_mknod,			/* 133: mknod */
+	NULL,				/* 134: uselib */
+	lx_personality,			/* 135: personality */
+	NULL,				/* 136: ustat */
+	lx_statfs,			/* 137: statfs */
+	lx_fstatfs,			/* 138: fstatfs */
+	lx_sysfs,			/* 139: sysfs */
+	lx_getpriority,			/* 140: getpriority */
+	lx_setpriority,			/* 141: setpriority */
+	lx_sched_setparam,		/* 142: sched_setparam */
+	lx_sched_getparam,		/* 143: sched_getparam */
+	lx_sched_setscheduler,		/* 144: sched_setscheduler */
+	lx_sched_getscheduler,		/* 145: sched_getscheduler */
+	lx_sched_get_priority_max,	/* 146: sched_get_priority_max */
+	lx_sched_get_priority_min,	/* 147: sched_get_priority_min */
+	lx_sched_rr_get_interval,	/* 148: sched_rr_get_interval */
+	lx_mlock,			/* 149: mlock */
+	lx_munlock,			/* 150: munlock */
+	lx_mlockall,			/* 151: mlockall */
+	lx_munlockall,			/* 152: munlockall */
+	lx_vhangup,			/* 153: vhangup */
+	NULL,				/* 154: modify_ldt */
+	NULL,				/* 155: pivot_root */
+	lx_sysctl,			/* 156: sysctl */
+	lx_prctl,			/* 157: prctl */
+	NULL,				/* 158: arch_prctl */
+	lx_adjtimex,			/* 159: adjtimex */
+	NULL,				/* 160: setrlimit */
+	lx_chroot,			/* 161: chroot */
+	lx_sync,			/* 162: sync */
+	NULL,				/* 163: acct */
+	lx_settimeofday,		/* 164: settimeofday */
+	lx_mount,			/* 165: mount */
+	lx_umount2,			/* 166: umount2 */
+	NULL,				/* 167: swapon */
+	NULL,				/* 168: swapoff */
+	lx_reboot,			/* 169: reboot */
+	lx_sethostname,			/* 170: sethostname */
+	lx_setdomainname,		/* 171: setdomainname */
+	NULL,				/* 172: iopl */
+	NULL,				/* 173: ioperm */
+	NULL,				/* 174: create_module */
+	NULL,				/* 175: init_module */
+	NULL,				/* 176: delete_module */
+	NULL,				/* 177: get_kernel_syms */
+	lx_query_module,		/* 178: query_module */
+	NULL,				/* 179: quotactl */
+	NULL,				/* 180: nfsservctl */
+	NULL,				/* 181: getpmsg */
+	NULL,				/* 182: putpmsg */
+	NULL,				/* 183: afs_syscall */
+	NULL,				/* 184: tux */
+	NULL,				/* 185: security */
+	NULL,				/* 186: gettid */
+	NULL,				/* 187: readahead */
+	NULL,				/* 188: setxattr */
+	NULL,				/* 189: lsetxattr */
+	NULL,				/* 190: fsetxattr */
+	NULL,				/* 191: getxattr */
+	NULL,				/* 192: lgetxattr */
+	NULL,				/* 193: fgetxattr */
+	NULL,				/* 194: listxattr */
+	NULL,				/* 195: llistxattr */
+	NULL,				/* 196: flistxattr */
+	NULL,				/* 197: removexattr */
+	NULL,				/* 198: lremovexattr */
+	NULL,				/* 199: fremovexattr */
+	NULL,				/* 200: tkill */
+	NULL,				/* 201: time */
+	NULL,				/* 202: futex */
+	lx_sched_setaffinity,		/* 203: sched_setaffinity */
+	lx_sched_getaffinity,		/* 204: sched_getaffinity */
+	NULL,				/* 205: set_thread_area */
+	lx_io_setup,			/* 206: io_setup */
+	lx_io_destroy,			/* 207: io_destroy */
+	lx_io_getevents,		/* 208: io_getevents */
+	lx_io_submit,			/* 209: io_submit */
+	lx_io_cancel,			/* 210: io_cancel */
+	NULL,				/* 211: get_thread_area */
+	NULL,				/* 212: lookup_dcookie */
+	lx_epoll_create,		/* 213: epoll_create */
+	NULL,				/* 214: epoll_ctl_old */
+	NULL,				/* 215: epoll_wait_old */
+	NULL,				/* 216: remap_file_pages */
+	lx_getdents64,			/* 217: getdents64 */
+	NULL,				/* 218: set_tid_address */
+	NULL,				/* 219: restart_syscall */
+	lx_semtimedop,			/* 220: semtimedop */
+	lx_fadvise64_64,		/* 221: fadvise64 */
+	lx_timer_create,		/* 222: timer_create */
+	lx_timer_settime,		/* 223: timer_settime */
+	lx_timer_gettime,		/* 224: timer_gettime */
+	lx_timer_getoverrun,		/* 225: timer_getoverrun */
+	lx_timer_delete,		/* 226: timer_delete */
+	NULL,				/* 227: clock_settime */
+	NULL,				/* 228: clock_gettime */
+	NULL,				/* 229: clock_getres */
+	lx_clock_nanosleep,		/* 230: clock_nanosleep */
+	lx_group_exit,			/* 231: exit_group */
+	lx_epoll_wait,			/* 232: epoll_wait */
+	lx_epoll_ctl,			/* 233: epoll_ctl */
+	NULL,				/* 234: tgkill */
+	lx_utimes,			/* 235: utimes */
+	NULL,				/* 236: vserver */
+	NULL,				/* 237: mbind */
+	NULL,				/* 238: set_mempolicy */
+	NULL,				/* 239: get_mempolicy */
+	NULL,				/* 240: mq_open */
+	NULL,				/* 241: mq_unlink */
+	NULL,				/* 242: mq_timedsend */
+	NULL,				/* 243: mq_timedreceive */
+	NULL,				/* 244: mq_notify */
+	NULL,				/* 245: mq_getsetattr */
+	NULL,				/* 246: kexec_load */
+	NULL,				/* 247: waitid */
+	NULL,				/* 248: add_key */
+	NULL,				/* 249: request_key */
+	NULL,				/* 250: keyctl */
+	NULL,				/* 251: ioprio_set */
+	NULL,				/* 252: ioprio_get */
+	lx_inotify_init,		/* 253: inotify_init */
+	lx_inotify_add_watch,		/* 254: inotify_add_watch */
+	lx_inotify_rm_watch,		/* 255: inotify_rm_watch */
+	NULL,				/* 256: migrate_pages */
+	NULL,				/* 257: openat */
+	NULL,				/* 258: mkdirat */
+	lx_mknodat,			/* 259: mknodat */
+	NULL,				/* 260: fchownat */
+	lx_futimesat,			/* 261: futimesat */
+	lx_fstatat64,			/* 262: fstatat64 */
+	lx_unlinkat,			/* 263: unlinkat */
+	lx_renameat,			/* 264: renameat */
+	lx_linkat,			/* 265: linkat */
+	lx_symlinkat,			/* 266: symlinkat */
+	lx_readlinkat,			/* 267: readlinkat */
+	NULL,				/* 268: fchmodat */
+	lx_faccessat,			/* 269: faccessat */
+	lx_pselect6,			/* 270: pselect6 */
+	lx_ppoll,			/* 271: ppoll */
+	NULL,				/* 272: unshare */
+	NULL,				/* 273: set_robust_list */
+	NULL,				/* 274: get_robust_list */
+	NULL,				/* 275: splice */
+	NULL,				/* 276: tee */
+	NULL,				/* 277: sync_file_range */
+	NULL,				/* 278: vmsplice */
+	NULL,				/* 279: move_pages */
+	lx_utimensat,			/* 280: utimensat */
+	lx_epoll_pwait,			/* 281: epoll_pwait */
+	NULL,				/* 282: signalfd */
+	lx_timerfd_create,		/* 283: timerfd_create */
+	lx_eventfd,			/* 284: eventfd */
+	NULL,				/* 285: fallocate */
+	lx_timerfd_settime,		/* 286: timerfd_settime */
+	lx_timerfd_gettime,		/* 287: timerfd_gettime */
+	lx_accept4,			/* 288: accept4 */
+	NULL,				/* 289: signalfd4 */
+	lx_eventfd2,			/* 290: eventfd2 */
+	lx_epoll_create1,		/* 291: epoll_create1 */
+	lx_dup3,			/* 292: dup3 */
+	NULL,				/* 293: pipe2 */
+	lx_inotify_init1,		/* 294: inotify_init1 */
+	lx_preadv,			/* 295: preadv */
+	lx_pwritev,			/* 296: pwritev */
+	lx_rt_tgsigqueueinfo,		/* 297: rt_tgsigqueueinfo */
+	NULL,				/* 298: perf_event_open */
+	NULL,				/* 299: recvmmsg */
+	NULL,				/* 300: fanotify_init */
+	NULL,				/* 301: fanotify_mark */
+	NULL,				/* 302: prlimit64 */
+	NULL,				/* 303: name_to_handle_at */
+	NULL,				/* 304: open_by_handle_at */
+	NULL,				/* 305: clock_adjtime */
+	NULL,				/* 306: syncfs */
+	NULL,				/* 307: sendmmsg */
+	NULL,				/* 309: setns */
+	NULL,				/* 309: getcpu */
+	NULL,				/* 310: process_vm_readv */
+	NULL,				/* 311: process_vm_writev */
+	NULL,				/* 312: kcmp */
+	NULL,				/* 313: finit_module */
+	NULL,				/* 314: sched_setattr */
+	NULL,				/* 315: sched_getattr */
+	NULL,				/* 316: renameat2 */
+	NULL,				/* 317: seccomp */
+	NULL,				/* 318: getrandom */
+	NULL,				/* 319: memfd_create */
+	NULL,				/* 320: kexec_file_load */
+	NULL,				/* 321: bpf */
+	NULL,				/* 322: execveat */
+
+	/* XXX TBD gap then x32 syscalls from 512 - 544 */
+};
+
+#else
+/* The following is the 32-bit syscall table */
+
+static lx_syscall_handler_t lx_handlers[] = {
+	NULL,				/*   0: nosys */
+	lx_exit,			/*   1: exit */
+	lx_fork,			/*   2: fork */
+	NULL,				/*   3: read */
+	NULL,				/*   4: write */
+	NULL,				/*   5: open */
+	lx_close,			/*   6: close */
+	NULL,				/*   7: waitpid */
+	lx_creat,			/*   8: creat */
+	lx_link,			/*   9: link */
+	lx_unlink,			/*  10: unlink */
+	lx_execve,			/*  11: execve */
+	lx_chdir,			/*  12: chdir */
+	NULL,				/*  13: time */
+	lx_mknod,			/*  14: mknod */
+	NULL,				/*  15: chmod */
+	NULL,				/*  16: lchown16 */
+	NULL,				/*  17: break */
+	NULL,				/*  18: stat */
+	lx_lseek,			/*  19: lseek */
+	NULL,				/*  20: getpid */
+	lx_mount,			/*  21: mount */
+	lx_umount,			/*  22: umount */
+	lx_setuid16,			/*  23: setuid16 */
+	lx_getuid16,			/*  24: getuid16 */
+	lx_stime,			/*  25: stime */
+	lx_ptrace,			/*  26: ptrace */
+	lx_alarm,			/*  27: alarm */
+	NULL,				/*  28: fstat */
+	lx_pause,			/*  29: pause */
+	lx_utime,			/*  30: utime */
+	NULL,				/*  31: stty */
+	NULL,				/*  32: gtty */
+	lx_access,			/*  33: access */
+	lx_nice,			/*  34: nice */
+	NULL,				/*  35: ftime */
+	lx_sync,			/*  36: sync */
+	NULL,				/*  37: kill */
+	lx_rename,			/*  38: rename */
+	NULL,				/*  39: mkdir */
+	lx_rmdir,			/*  40: rmdir */
+	lx_dup,				/*  41: dup */
+	NULL,				/*  42: pipe */
+	lx_times,			/*  43: times */
+	NULL,				/*  44: prof */
+	NULL,				/*  45: brk */
+	lx_setgid16,			/*  46: setgid16 */
+	lx_getgid16,			/*  47: getgid16 */
+	lx_signal,			/*  48: signal */
+	lx_geteuid16,			/*  49: geteuid16 */
+	lx_getegid16,			/*  50: getegid16 */
+	NULL,				/*  51: acct */
+	lx_umount2,			/*  52: umount2 */
+	NULL,				/*  53: lock */
+	NULL,				/*  54: ioctl */
+	NULL,				/*  55: fcntl */
+	NULL,				/*  56: mpx */
+	lx_setpgid,			/*  57: setpgid */
+	NULL,				/*  58: ulimit */
+	NULL,				/*  59: olduname */
+	lx_umask,			/*  60: umask */
+	lx_chroot,			/*  61: chroot */
+	NULL,				/*  62: ustat */
+	lx_dup2,			/*  63: dup2 */
+	NULL,				/*  64: getppid */
+	lx_getpgrp,			/*  65: getpgrp */
+	lx_setsid,			/*  66: setsid */
+	lx_sigaction,			/*  67: sigaction */
+	NULL,				/*  68: sgetmask */
+	NULL,				/*  69: ssetmask */
+	lx_setreuid16,			/*  70: setreuid16 */
+	lx_setregid16,			/*  71: setregid16 */
+	lx_sigsuspend,			/*  72: sigsuspend */
+	lx_sigpending,			/*  73: sigpending */
+	lx_sethostname,			/*  74: sethostname */
+	NULL,				/*  75: setrlimit */
+	NULL,				/*  76: getrlimit */
+	lx_getrusage,			/*  77: getrusage */
+	NULL,				/*  78: gettimeofday */
+	lx_settimeofday,		/*  79: settimeofday */
+	lx_getgroups16,			/*  80: getgroups16 */
+	lx_setgroups16,			/*  81: setgroups16 */
+	NULL,				/*  82: select */
+	lx_symlink,			/*  83: symlink */
+	NULL,				/*  84: oldlstat */
+	lx_readlink,			/*  85: readlink */
+	NULL,				/*  86: uselib */
+	NULL,				/*  87: swapon */
+	lx_reboot,			/*  88: reboot */
+	lx_readdir,			/*  89: readdir */
+	lx_mmap,			/*  90: mmap */
+	lx_munmap,			/*  91: munmap */
+	lx_truncate,			/*  92: truncate */
+	lx_ftruncate,			/*  93: ftruncate */
+	NULL,				/*  94: fchmod */
+	NULL,				/*  95: fchown16 */
+	lx_getpriority,			/*  96: getpriority */
+	lx_setpriority,			/*  97: setpriority */
+	NULL,				/*  98: profil */
+	lx_statfs,			/*  99: statfs */
+	lx_fstatfs,			/* 100: fstatfs */
+	NULL,				/* 101: ioperm */
+	lx_socketcall,			/* 102: socketcall */
+	lx_syslog,			/* 103: syslog */
+	lx_setitimer,			/* 104: setitimer */
+	lx_getitimer,			/* 105: getitimer */
+	lx_stat,			/* 106: stat */
+	lx_lstat,			/* 107: lstat */
+	lx_fstat,			/* 108: fstat */
+	NULL,				/* 109: uname */
+	NULL,				/* 110: oldiopl */
+	lx_vhangup,			/* 111: vhangup */
+	NULL,				/* 112: idle */
+	NULL,				/* 113: vm86old */
+	NULL,				/* 114: wait4 */
+	NULL,				/* 115: swapoff */
+	NULL,				/* 116: sysinfo */
+	lx_ipc,				/* 117: ipc */
+	lx_fsync,			/* 118: fsync */
+	lx_sigreturn,			/* 119: sigreturn */
+	lx_clone,			/* 120: clone */
+	lx_setdomainname,		/* 121: setdomainname */
+	lx_uname,			/* 122: uname */
+	NULL,				/* 123: modify_ldt */
+	lx_adjtimex,			/* 124: adjtimex */
+	lx_mprotect,			/* 125: mprotect */
+	lx_sigprocmask,			/* 126: sigprocmask */
+	NULL,				/* 127: create_module */
+	NULL,				/* 128: init_module */
+	NULL,				/* 129: delete_module */
+	NULL,				/* 130: get_kernel_syms */
+	NULL,				/* 131: quotactl */
+	lx_getpgid,			/* 132: getpgid */
+	lx_fchdir,			/* 133: fchdir */
+	NULL,				/* 134: bdflush */
+	lx_sysfs,			/* 135: sysfs */
+	lx_personality,			/* 136: personality */
+	NULL,				/* 137: afs_syscall */
+	lx_setfsuid16,			/* 138: setfsuid16 */
+	lx_setfsgid16,			/* 139: setfsgid16 */
+	lx_llseek,			/* 140: llseek */
+	lx_getdents,			/* 141: getdents */
+	lx_select,			/* 142: select */
+	lx_flock,			/* 143: flock */
+	lx_msync,			/* 144: msync */
+	lx_readv,			/* 145: readv */
+	lx_writev,			/* 146: writev */
+	lx_getsid,			/* 147: getsid */
+	lx_fdatasync,			/* 148: fdatasync */
+	lx_sysctl,			/* 149: sysctl */
+	lx_mlock,			/* 150: mlock */
+	lx_munlock,			/* 151: munlock */
+	lx_mlockall,			/* 152: mlockall */
+	lx_munlockall,			/* 153: munlockall */
+	lx_sched_setparam,		/* 154: sched_setparam */
+	lx_sched_getparam,		/* 155: sched_getparam */
+	lx_sched_setscheduler,		/* 156: sched_setscheduler */
+	lx_sched_getscheduler,		/* 157: sched_getscheduler */
+	NULL,				/* 158: sched_yield */
+	lx_sched_get_priority_max,	/* 159: sched_get_priority_max */
+	lx_sched_get_priority_min,	/* 160: sched_get_priority_min */
+	lx_sched_rr_get_interval,	/* 161: sched_rr_get_interval */
+	lx_nanosleep,			/* 162: nanosleep */
+	lx_remap,			/* 163: mremap */
+	NULL,				/* 164: setresuid16 */
+	lx_getresuid16,			/* 165: getresuid16 */
+	NULL,				/* 166: vm86 */
+	lx_query_module,		/* 167: query_module */
+	lx_poll,			/* 168: poll */
+	NULL,				/* 169: nfsservctl */
+	NULL,				/* 170: setresgid16 */
+	lx_getresgid16,			/* 171: getresgid16 */
+	lx_prctl,			/* 172: prctl */
+	lx_rt_sigreturn,		/* 173: rt_sigreturn */
+	lx_rt_sigaction,		/* 174: rt_sigaction */
+	lx_rt_sigprocmask,		/* 175: rt_sigprocmask */
+	lx_rt_sigpending,		/* 176: rt_sigpending */
+	lx_rt_sigtimedwait,		/* 177: rt_sigtimedwait */
+	lx_rt_sigqueueinfo,		/* 178: rt_sigqueueinfo */
+	lx_rt_sigsuspend,		/* 179: rt_sigsuspend */
+	lx_pread64,			/* 180: pread64 */
+	lx_pwrite64,			/* 181: pwrite64 */
+	NULL,				/* 182: chown16 */
+	lx_getcwd,			/* 183: getcwd */
+	lx_capget,			/* 184: capget */
+	lx_capset,			/* 185: capset */
+	lx_sigaltstack,			/* 186: sigaltstack */
+	lx_sendfile,			/* 187: sendfile */
+	NULL,				/* 188: getpmsg */
+	NULL,				/* 189: putpmsg */
+	lx_vfork,			/* 190: vfork */
+	NULL,				/* 191: getrlimit */
+	lx_mmap2,			/* 192: mmap2 */
+	lx_truncate64,			/* 193: truncate64 */
+	lx_ftruncate64,			/* 194: ftruncate64 */
+	lx_stat64,			/* 195: stat64 */
+	lx_lstat64,			/* 196: lstat64 */
+	lx_fstat64,			/* 197: fstat64 */
+	NULL,				/* 198: lchown */
+	lx_getuid,			/* 199: getuid */
+	lx_getgid,			/* 200: getgid */
+	lx_geteuid,			/* 201: geteuid */
+	lx_getegid,			/* 202: getegid */
+	lx_setreuid,			/* 203: setreuid */
+	lx_setregid,			/* 204: setregid */
+	lx_getgroups,			/* 205: getgroups */
+	lx_setgroups,			/* 206: setgroups */
+	NULL,				/* 207: fchown */
+	NULL,				/* 208: setresuid */
+	lx_getresuid,			/* 209: getresuid */
+	NULL,				/* 210: setresgid */
+	lx_getresgid,			/* 211: getresgid */
+	NULL,				/* 212: chown */
+	lx_setuid,			/* 213: setuid */
+	lx_setgid,			/* 214: setgid */
+	lx_setfsuid,			/* 215: setfsuid */
+	lx_setfsgid,			/* 216: setfsgid */
+	NULL,				/* 217: pivot_root */
+	lx_mincore,			/* 218: mincore */
+	lx_madvise,			/* 219: madvise */
+	lx_getdents64,			/* 220: getdents64 */
+	NULL,				/* 221: fcntl64 */
+	NULL,				/* 222: tux */
+	NULL,				/* 223: security */
+	NULL,				/* 224: gettid */
+	NULL,				/* 225: readahead */
+	NULL,				/* 226: setxattr */
+	NULL,				/* 227: lsetxattr */
+	NULL,				/* 228: fsetxattr */
+	NULL,				/* 229: getxattr */
+	NULL,				/* 230: lgetxattr */
+	NULL,				/* 231: fgetxattr */
+	NULL,				/* 232: listxattr */
+	NULL,				/* 233: llistxattr */
+	NULL,				/* 234: flistxattr */
+	NULL,				/* 235: removexattr */
+	NULL,				/* 236: lremovexattr */
+	NULL,				/* 237: fremovexattr */
+	NULL,				/* 238: tkill */
+	lx_sendfile64,			/* 239: sendfile64 */
+	NULL,				/* 240: futex */
+	lx_sched_setaffinity,		/* 241: sched_setaffinity */
+	lx_sched_getaffinity,		/* 242: sched_getaffinity */
+	NULL,				/* 243: set_thread_area */
+	NULL,				/* 244: get_thread_area */
+	lx_io_setup,			/* 245: io_setup */
+	lx_io_destroy,			/* 246: io_destroy */
+	lx_io_getevents,		/* 247: io_getevents */
+	lx_io_submit,			/* 248: io_submit */
+	lx_io_cancel,			/* 249: io_cancel */
+	lx_fadvise64,			/* 250: fadvise64 */
+	NULL,				/* 251: nosys */
+	lx_group_exit,			/* 252: group_exit */
+	NULL,				/* 253: lookup_dcookie */
+	lx_epoll_create,		/* 254: epoll_create */
+	lx_epoll_ctl,			/* 255: epoll_ctl */
+	lx_epoll_wait,			/* 256: epoll_wait */
+	NULL,				/* 257: remap_file_pages */
+	NULL,				/* 258: set_tid_address */
+	lx_timer_create,		/* 259: timer_create */
+	lx_timer_settime,		/* 260: timer_settime */
+	lx_timer_gettime,		/* 261: timer_gettime */
+	lx_timer_getoverrun,		/* 262: timer_getoverrun */
+	lx_timer_delete,		/* 263: timer_delete */
+	NULL,				/* 264: clock_settime */
+	NULL,				/* 265: clock_gettime */
+	NULL,				/* 266: clock_getres */
+	lx_clock_nanosleep,		/* 267: clock_nanosleep */
+	lx_statfs64,			/* 268: statfs64 */
+	lx_fstatfs64,			/* 269: fstatfs64 */
+	NULL,				/* 270: tgkill */
+	lx_utimes,			/* 271: utimes */
+	lx_fadvise64_64,		/* 272: fadvise64_64 */
+	NULL,				/* 273: vserver */
+	NULL,				/* 274: mbind */
+	NULL,				/* 275: get_mempolicy */
+	NULL,				/* 276: set_mempolicy */
+	NULL,				/* 277: mq_open */
+	NULL,				/* 278: mq_unlink */
+	NULL,				/* 279: mq_timedsend */
+	NULL,				/* 280: mq_timedreceive */
+	NULL,				/* 281: mq_notify */
+	NULL,				/* 282: mq_getsetattr */
+	NULL,				/* 283: kexec_load */
+	NULL,				/* 284: waitid */
+	NULL,				/* 285: sys_setaltroot */
+	NULL,				/* 286: add_key */
+	NULL,				/* 287: request_key */
+	NULL,				/* 288: keyctl */
+	NULL,				/* 289: ioprio_set */
+	NULL,				/* 290: ioprio_get */
+	lx_inotify_init,		/* 291: inotify_init */
+	lx_inotify_add_watch,		/* 292: inotify_add_watch */
+	lx_inotify_rm_watch,		/* 293: inotify_rm_watch */
+	NULL,				/* 294: migrate_pages */
+	NULL,				/* 295: openat */
+	NULL,				/* 296: mkdirat */
+	lx_mknodat,			/* 297: mknodat */
+	NULL,				/* 298: fchownat */
+	lx_futimesat,			/* 299: futimesat */
+	lx_fstatat64,			/* 300: fstatat64 */
+	lx_unlinkat,			/* 301: unlinkat */
+	lx_renameat,			/* 302: renameat */
+	lx_linkat,			/* 303: linkat */
+	lx_symlinkat,			/* 304: symlinkat */
+	lx_readlinkat,			/* 305: readlinkat */
+	NULL,				/* 306: fchmodat */
+	lx_faccessat,			/* 307: faccessat */
+	lx_pselect6,			/* 308: pselect6 */
+	lx_ppoll,			/* 309: ppoll */
+	NULL,				/* 310: unshare */
+	NULL,				/* 311: set_robust_list */
+	NULL,				/* 312: get_robust_list */
+	NULL,				/* 313: splice */
+	NULL,				/* 314: sync_file_range */
+	NULL,				/* 315: tee */
+	NULL,				/* 316: vmsplice */
+	NULL,				/* 317: move_pages */
+	NULL,				/* 318: getcpu */
+	lx_epoll_pwait,			/* 319: epoll_pwait */
+	lx_utimensat,			/* 320: utimensat */
+	NULL,				/* 321: signalfd */
+	lx_timerfd_create,		/* 322: timerfd_create */
+	lx_eventfd,			/* 323: eventfd */
+	NULL,				/* 324: fallocate */
+	lx_timerfd_settime,		/* 325: timerfd_settime */
+	lx_timerfd_gettime,		/* 326: timerfd_gettime */
+	NULL,				/* 327: signalfd4 */
+	lx_eventfd2,			/* 328: eventfd2 */
+	lx_epoll_create1,		/* 329: epoll_create1 */
+	lx_dup3,			/* 330: dup3 */
+	NULL,				/* 331: pipe2 */
+	lx_inotify_init1,		/* 332: inotify_init1 */
+	lx_preadv,			/* 333: preadv */
+	lx_pwritev,			/* 334: pwritev */
+	lx_rt_tgsigqueueinfo,		/* 335: rt_tgsigqueueinfo */
+	NULL,				/* 336: perf_event_open */
+	NULL,				/* 337: recvmmsg */
+	NULL,				/* 338: fanotify_init */
+	NULL,				/* 339: fanotify_mark */
+	NULL,				/* 340: prlimit64 */
+	NULL,				/* 341: name_to_handle_at */
+	NULL,				/* 342: open_by_handle_at */
+	NULL,				/* 343: clock_adjtime */
+	NULL,				/* 344: syncfs */
+	NULL,				/* 345: sendmmsg */
+	NULL,				/* 346: setns */
+	NULL,				/* 347: process_vm_readv */
+	NULL,				/* 348: process_vm_writev */
+	NULL,				/* 349: kcmp */
+	NULL,				/* 350: finit_module */
+	NULL,				/* 351: sched_setattr */
+	NULL,				/* 352: sched_getattr */
+	NULL,				/* 353: renameat2 */
+	NULL,				/* 354: seccomp */
+	NULL,				/* 355: getrandom */
+	NULL,				/* 356: memfd_create */
+	NULL,				/* 357: bpf */
+	NULL,				/* 358: execveat */
+};
+#endif
diff --git a/usr/src/lib/brand/lx/lx_brand/common/lx_provider.d b/usr/src/lib/brand/lx/lx_brand/common/lx_provider.d
new file mode 100644
index 0000000000..14326e8f56
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/lx_provider.d
@@ -0,0 +1,39 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+provider lx {
+	probe debug(char *buf);
+	probe sigdeliver(int sig, void *lx_sigaction, void *lx_sigstack);
+	probe sigreturn(void *lx_ucontext, void *ucontext, uintptr_t sp);
+
+	probe signal__delivery__frame__create(void *lx_sigdeliver_frame);
+	probe signal__delivery__frame__found(void *lx_sigdeliver_frame);
+	probe signal__delivery__frame__corrupt(void *lx_sigdeliver_frame);
+
+	probe signal__post__handler(uintptr_t old_sp, uintptr_t new_sp);
+
+	probe signal__altstack__enable(uintptr_t alt_sp);
+	probe signal__altstack__disable();
+
+	probe emulate__enter(void *ucp, int syscall_num, uintptr_t *args);
+	probe emulate__return(void *ucp, int syscall_num, uintptr_t ret,
+	    uintptr_t errn);
+};
+
+#pragma D attributes Evolving/Evolving/ISA provider lx provider
+#pragma D attributes Private/Private/Unknown provider lx module
+#pragma D attributes Private/Private/Unknown provider lx function
+#pragma D attributes Private/Private/ISA provider lx name
+#pragma D attributes Private/Private/ISA provider lx args
diff --git a/usr/src/lib/brand/lx/lx_brand/common/lx_thunk_server.c b/usr/src/lib/brand/lx/lx_brand/common/lx_thunk_server.c
new file mode 100644
index 0000000000..08e77572ab
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/lx_thunk_server.c
@@ -0,0 +1,1023 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * The BrandZ Linux thunking server.
+ *
+ * The interfaces defined in this file form the server side of a bridge
+ * to allow native solaris process to access Linux services.  Currently
+ * the Linux services that is made accessible by these interfaces here
+ * are:
+ *	- Linux host <-> address naming services
+ *	- Linux service <-> port naming services
+ *	- Linux syslog
+ *
+ * Access to all these services is provided through a doors server.
+ * Currently the only client of these interfaces and the process that
+ * initially starts up the doors server is lx_thunk.so.
+ *
+ * lx_thunk.so is a native solaris library that is loaded into native
+ * solaris process that need to run inside a Linux zone and have access
+ * to Linux services.  When lx_thunk.so receives a request that requires
+ * accessing Linux services it creates a "thunk server" process by
+ * forking and executing the following shell script (which runs as
+ * a branded /bin/sh Linux process):
+ * 	/native/usr/lib/brand/lx/lx_thunk
+ *
+ * The first and only thing this shell script attempts to do is re-exec
+ * itself.  The brand library will detect when this script attempts to
+ * re-exec itself and take control of the process.  The exec() system
+ * call made by the Linux shell will never return.
+ *
+ * At this point the process becomes a "thunk server" process.
+ * The first thing it does is a bunch of initialization:
+ *
+ * - Sanity check that a file descriptor based communication mechanism
+ *   needed talk to the parent process is correctly initialized.
+ *
+ * - Verify that two predetermined file descriptors are FIFOs.
+ *   These FIFOs will be used to establish communications with
+ *   the client program that spawned us and which will be sending
+ *   us requests.
+ *
+ * - Use existing debugging libraries (libproc.so, librtld_db.so,
+ *   and the BrandZ lx plug-in to librtld_db.so) and /native/proc to
+ *   walk the Linux link maps in our own address space to determine
+ *   the address of the Linux dlsym() function.
+ *
+ * - Use the native Linux dlsym() function to look up other symbols
+ *   (for both functions and variables) that we will need access
+ *   to service thunking requests.
+ *
+ * - Create a doors server and notify the parent process that we
+ *   are ready to service requests.
+ *
+ * - Enter a service loop and wait for requests.
+ *
+ * At this point the lx_thunk process is ready to service door
+ * based requests.  When door service request is received the
+ * following happens inside the lx_thunk process:
+ *
+ * - The doors server function is is invoked on a new solaris thread
+ *   that the kernel injects into the lx_thunk process.  We sanity
+ *   check the incoming request, place it on a service queue, and
+ *   wait for notification that the request has been completed.
+ *
+ * - A Linux thread takes this request off the service queue
+ *   and dispatches it to a service function that will:
+ *	- Decode the request.
+ *	- Handle the request by invoking native Linux interfaces.
+ *	- Encode the results for the request.
+ *
+ * - The Linux thread then notifies the requesting doors server
+ *   thread that the  request has been completed and goes to sleep
+ *   until it receives another request.
+ *
+ * - the solaris door server thread returns the results of the
+ *   operation to the caller.
+ *
+ * Notes:
+ *
+ * - The service request hand off operation from the solaris doors thread to
+ *   the "Linux thread" is required because only "Linux threads" can call
+ *   into Linux code.  In this context a "Linux thread" is a thread that
+ *   is either the initial thread of a Linux process or a thread that was
+ *   created by calling the Linux version of thread_create().  The reason
+ *   for this restriction is that any thread that invokes Linux code needs
+ *   to have been initialized in the Linux threading libraries and have
+ *   things like Linux thread local storage properly setup.
+ *
+ *   But under solaris all door server threads are created and destroyed
+ *   dynamically.  This means that when a doors server function is invoked,
+ *   it is invoked via a thread that hasn't been initialized in the Linux
+ *   environment and there for can't call directly into Linux code.
+ *
+ * - Currently when a thunk server process is starting up, it communicated
+ *   with it's parent via two FIFOs.  These FIFOs are setup by the
+ *   lx_thunk.so library.  After creating the FIFOs and starting the lx_thunk
+ *   server, lx_thunk.so writes the name of the file that the door should
+ *   be attached to to the first pipe.  The lx_thunk server reads in this
+ *   value, initialized the server, fattach()s it to the file request by
+ *   lx_thunk.so and does a write to the second FIFO to let lx_thunk.so
+ *   know that the server is ready to take requests.
+ *
+ *   This negotiation could be simplified to use only use one FIFO.
+ *   lx_thunk.so would attempt to read from the FIFO and the lx_thunk
+ *   server process could send the new door server file descriptor
+ *   to this process via an I_SENDFD ioctl (see streamio.7I).
+ *
+ * - The lx_thunk server process will exit when the client process
+ *   that it's handling requests for exists.  (ie, when there are no
+ *   more open file handles to the doors server.)
+ */
+
+#include <assert.h>
+#include <door.h>
+#include <errno.h>
+#include <libproc.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_thread.h>
+#include <sys/lx_thunk_server.h>
+#include <sys/varargs.h>
+#include <thread.h>
+#include <unistd.h>
+
+/*
+ * Generic interfaces used for looking up and calling Linux functions.
+ */
+typedef struct __lx_handle_dlsym	*lx_handle_dlsym_t;
+typedef struct __lx_handle_sym		*lx_handle_sym_t;
+
+uintptr_t lx_call0(lx_handle_sym_t);
+uintptr_t lx_call1(lx_handle_sym_t, uintptr_t);
+uintptr_t lx_call2(lx_handle_sym_t, uintptr_t, uintptr_t);
+uintptr_t lx_call3(lx_handle_sym_t, uintptr_t, uintptr_t, uintptr_t);
+uintptr_t lx_call4(lx_handle_sym_t, uintptr_t, uintptr_t, uintptr_t,
+    uintptr_t);
+uintptr_t lx_call5(lx_handle_sym_t, uintptr_t, uintptr_t, uintptr_t,
+    uintptr_t, uintptr_t);
+uintptr_t lx_call6(lx_handle_sym_t, uintptr_t, uintptr_t, uintptr_t,
+    uintptr_t, uintptr_t, uintptr_t);
+uintptr_t lx_call7(lx_handle_sym_t, uintptr_t, uintptr_t, uintptr_t,
+    uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+uintptr_t lx_call8(lx_handle_sym_t, uintptr_t, uintptr_t, uintptr_t,
+    uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+
+/*
+ * Flag indicating if this process is destined to become a thunking
+ * server process.
+ */
+static int lxt_server_processes = 0;
+
+/*
+ * Linux function call defines and handles.
+ */
+static lx_handle_dlsym_t	lxh_init = NULL;
+
+#define	LXTH_GETHOSTBYNAME_R	0
+#define	LXTH_GETHOSTBYADDR_R	1
+#define	LXTH_GETSERVBYNAME_R	2
+#define	LXTH_GETSERVBYPORT_R	3
+#define	LXTH_OPENLOG		4
+#define	LXTH_SYSLOG		5
+#define	LXTH_CLOSELOG		6
+#define	LXTH_PROGNAME		7
+
+static struct lxt_handles {
+	int		lxth_index;
+	char		*lxth_name;
+	lx_handle_sym_t	lxth_handle;
+} lxt_handles[] = {
+	{ LXTH_GETHOSTBYNAME_R,	"gethostbyname_r",	NULL },
+	{ LXTH_GETHOSTBYADDR_R,	"gethostbyaddr_r",	NULL },
+	{ LXTH_GETSERVBYNAME_R,	"getservbyname_r",	NULL },
+	{ LXTH_GETSERVBYPORT_R,	"getservbyport_r",	NULL },
+	{ LXTH_OPENLOG,		"openlog",		NULL },
+	{ LXTH_SYSLOG,		"syslog",		NULL },
+	{ LXTH_CLOSELOG,	"closelog",		NULL },
+	{ LXTH_PROGNAME,	"__progname",		NULL },
+	{ -1,			NULL, 			NULL },
+};
+
+/*
+ * Door server operations dispatch functions and table.
+ *
+ * When the doors server get's a request for a particlar operation
+ * this dispatch table controls what function will be invoked to
+ * service the request.  The function is invoked via Linux thread
+ * so that it can call into native Linux code if necessary.
+ */
+static void lxt_server_gethost(lxt_server_arg_t *request, size_t request_size,
+    char **door_result, size_t *door_result_size);
+static void lxt_server_getserv(lxt_server_arg_t *request, size_t request_size,
+    char **door_result, size_t *door_result_size);
+static void lxt_server_openlog(lxt_server_arg_t *request, size_t request_size,
+    char **door_result, size_t *door_result_size);
+static void lxt_server_syslog(lxt_server_arg_t *request, size_t request_size,
+    char **door_result, size_t *door_result_size);
+static void lxt_server_closelog(lxt_server_arg_t *request, size_t request_size,
+    char **door_result, size_t *door_result_size);
+
+typedef void (*lxt_op_func_t)(lxt_server_arg_t *request, size_t request_size,
+    char **door_result, size_t *door_result_size);
+
+static struct lxt_operations {
+	int		lxto_index;
+	lxt_op_func_t	lxto_fp;
+} lxt_operations[] = {
+	{ LXT_SERVER_OP_PING,		NULL },
+	{ LXT_SERVER_OP_NAME2HOST,	lxt_server_gethost },
+	{ LXT_SERVER_OP_ADDR2HOST,	lxt_server_gethost },
+	{ LXT_SERVER_OP_NAME2SERV,	lxt_server_getserv },
+	{ LXT_SERVER_OP_PORT2SERV,	lxt_server_getserv },
+	{ LXT_SERVER_OP_OPENLOG,	lxt_server_openlog },
+	{ LXT_SERVER_OP_SYSLOG,		lxt_server_syslog },
+	{ LXT_SERVER_OP_CLOSELOG,	lxt_server_closelog },
+};
+
+/*
+ * Structures for passing off requests from doors threads (which are
+ * solaris threads) to a Linux thread that that can handle them.
+ */
+typedef struct lxt_req {
+	lxt_server_arg_t	*lxtr_request;
+	size_t			lxtr_request_size;
+	char			*lxtr_result;
+	size_t			lxtr_result_size;
+	int			lxtr_complete;
+	cond_t			lxtr_complete_cv;
+} lxt_req_t;
+
+static mutex_t		lxt_req_lock = DEFAULTMUTEX;
+static cond_t		lxt_req_cv = DEFAULTCV;
+static lxt_req_t	*lxt_req_ptr = NULL;
+
+static mutex_t		lxt_pid_lock = DEFAULTMUTEX;
+
+/*
+ * Interfaces used to call from lx_brand.so into Linux code.
+ */
+typedef struct lookup_cb_arg {
+	struct ps_prochandle	*lca_ph;
+	caddr_t			lca_ptr;
+} lookup_cb_arg_t;
+
+static int
+/*ARGSUSED*/
+lookup_cb(void *data, const prmap_t *pmp, const char *object)
+{
+	lookup_cb_arg_t		*lcap = (lookup_cb_arg_t *)data;
+	prsyminfo_t		si;
+	GElf_Sym		sym;
+
+	if (Pxlookup_by_name(lcap->lca_ph,
+	    LM_ID_BASE, object, "dlsym", &sym, &si) != 0)
+		return (0);
+
+	if (sym.st_shndx == SHN_UNDEF)
+		return (0);
+
+	/*
+	 * XXX: we should be more paranoid and verify that the symbol
+	 * we just looked up is libdl.so.2`dlsym
+	 */
+	lcap->lca_ptr = (caddr_t)(uintptr_t)sym.st_value;
+	return (1);
+}
+
+lx_handle_dlsym_t
+lx_call_init(void)
+{
+	struct ps_prochandle	*ph;
+	lookup_cb_arg_t		lca;
+	extern int 		__libc_threaded;
+	int			err;
+
+	lx_debug("lx_call_init(): looking up Linux dlsym");
+
+	/*
+	 * The handle is really the address of the Linux "dlsym" function.
+	 * Once we have this address we can call into the Linux "dlsym"
+	 * function to lookup other functions.  It's the initial lookup
+	 * of "dlsym" that's difficult.  To do this we'll leverage the
+	 * brand support that we added to librtld_db.  We're going
+	 * to fire up a seperate native solaris process that will
+	 * attach to us via libproc/librtld_db and lookup the symbol
+	 * for us.
+	 */
+
+	/* Make sure we're single threaded. */
+	if (__libc_threaded) {
+		lx_debug("lx_call_init() fail: "
+		    "process must be single threaded");
+		return (NULL);
+	}
+
+	/* Tell libproc.so where the real procfs is mounted. */
+	Pset_procfs_path("/native/proc");
+
+	/* Tell librtld_db.so where the real /native is */
+	(void) rd_ctl(RD_CTL_SET_HELPPATH, "/native");
+
+	/* Grab ourselves but don't stop ourselves. */
+	if ((ph = Pgrab(getpid(),
+	    PGRAB_FORCE | PGRAB_RDONLY | PGRAB_NOSTOP, &err)) == NULL) {
+		lx_debug("lx_call_init() fail: Pgrab failed: %s",
+		    Pgrab_error(err));
+		return (NULL);
+	}
+
+	lca.lca_ph = ph;
+	lca.lca_ptr = NULL;
+	if (Pobject_iter(ph, lookup_cb, &lca) == -1) {
+		lx_debug("lx_call_init() fail: couldn't find Linux dlsym");
+		return (NULL);
+	}
+
+	lx_debug("lx_call_init(): Linux dlsym = 0x%p", lca.lca_ptr);
+	return ((lx_handle_dlsym_t)lca.lca_ptr);
+}
+
+#define	LX_RTLD_DEFAULT		((void *)0)
+#define	LX_RTLD_NEXT		((void *) -1l)
+
+lx_handle_sym_t
+lx_call_dlsym(lx_handle_dlsym_t lxh_dlsym, const char *str)
+{
+	lx_handle_sym_t result;
+	lx_debug("lx_call_dlsym: calling Linux dlsym for: %s", str);
+	result = (lx_handle_sym_t)lx_call2((lx_handle_sym_t)lxh_dlsym,
+	    (uintptr_t)LX_RTLD_DEFAULT, (uintptr_t)str);
+	lx_debug("lx_call_dlsym: Linux sym: \"%s\" = 0x%p", str, result);
+	return (result);
+}
+
+static uintptr_t
+/*ARGSUSED*/
+lx_call(lx_handle_sym_t lx_ch, uintptr_t p1, uintptr_t p2,
+    uintptr_t p3, uintptr_t p4, uintptr_t p5, uintptr_t p6, uintptr_t p7,
+    uintptr_t p8)
+{
+	typedef uintptr_t	(*fp8_t)(uintptr_t, uintptr_t, uintptr_t,
+	    uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+	ucontext_t		*ucp;
+	uintptr_t		ret;
+	fp8_t			lx_funcp = (fp8_t)lx_ch;
+#if defined(_ILP32)
+	long			cur_gs;
+#endif
+
+	ucp = lx_syscall_regs();
+
+#if defined(_ILP32)
+	lx_debug("lx_call: loading Linux gs, ucp = 0x%p, gs = 0x%p",
+	    ucp, LX_REG(ucp, GS));
+	lx_swap_gs(LX_REG(ucp, GS), &cur_gs);
+#endif
+
+	lx_debug("lx_call: calling to Linux code at 0x%p", lx_ch);
+	ret = lx_funcp(p1, p2, p3, p4, p5, p6, p7, p8);
+
+#if defined(_ILP32)
+	lx_swap_gs(cur_gs, (long *)&LX_REG(ucp, GS));
+#endif
+
+	lx_debug("lx_call: returned from Linux code at 0x%p (%p)", lx_ch, ret);
+	return (ret);
+}
+
+uintptr_t
+lx_call0(lx_handle_sym_t lx_ch)
+{
+	return (lx_call(lx_ch, 0, 0, 0, 0, 0, 0, 0, 0));
+}
+
+uintptr_t
+lx_call1(lx_handle_sym_t lx_ch, uintptr_t p1)
+{
+	return (lx_call(lx_ch, p1, 0, 0, 0, 0, 0, 0, 0));
+}
+
+uintptr_t
+lx_call2(lx_handle_sym_t lx_ch, uintptr_t p1, uintptr_t p2)
+{
+	return (lx_call(lx_ch, p1, p2, 0, 0, 0, 0, 0, 0));
+}
+
+uintptr_t
+lx_call3(lx_handle_sym_t lx_ch, uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	return (lx_call(lx_ch, p1, p2, p3, 0, 0, 0, 0, 0));
+}
+
+uintptr_t
+lx_call4(lx_handle_sym_t lx_ch, uintptr_t p1, uintptr_t p2, uintptr_t p3,
+    uintptr_t p4)
+{
+	return (lx_call(lx_ch, p1, p2, p3, p4, 0, 0, 0, 0));
+}
+
+uintptr_t
+lx_call5(lx_handle_sym_t lx_ch, uintptr_t p1, uintptr_t p2, uintptr_t p3,
+    uintptr_t p4, uintptr_t p5)
+{
+	return (lx_call(lx_ch, p1, p2, p3, p4, p5, 0, 0, 0));
+}
+
+uintptr_t
+lx_call6(lx_handle_sym_t lx_ch, uintptr_t p1, uintptr_t p2, uintptr_t p3,
+    uintptr_t p4, uintptr_t p5, uintptr_t p6)
+{
+	return (lx_call(lx_ch, p1, p2, p3, p4, p5, p6, 0, 0));
+}
+
+uintptr_t
+lx_call7(lx_handle_sym_t lx_ch, uintptr_t p1, uintptr_t p2, uintptr_t p3,
+    uintptr_t p4, uintptr_t p5, uintptr_t p6, uintptr_t p7)
+{
+	return (lx_call(lx_ch, p1, p2, p3, p4, p5, p6, p7, 0));
+}
+
+uintptr_t
+lx_call8(lx_handle_sym_t lx_ch, uintptr_t p1, uintptr_t p2, uintptr_t p3,
+    uintptr_t p4, uintptr_t p5, uintptr_t p6, uintptr_t p7, uintptr_t p8)
+{
+	return (lx_call(lx_ch, p1, p2, p3, p4, p5, p6, p7, p8));
+}
+
+/*
+ * Linux Thunking Interfaces - Server Side
+ */
+static int
+lxt_gethost_arg_check(lxt_gethost_arg_t *x, int x_size)
+{
+	if (x_size != sizeof (*x) + x->lxt_gh_buf_len - 1)
+		return (-1);
+
+	if ((x->lxt_gh_token_len < 0) || (x->lxt_gh_buf_len < 0))
+		return (-1);
+
+	/* Token and buf should use up all the storage. */
+	if ((x->lxt_gh_token_len + x->lxt_gh_buf_len) != x->lxt_gh_storage_len)
+		return (-1);
+
+	return (0);
+}
+
+static void
+lxt_server_gethost(lxt_server_arg_t *request, size_t request_size,
+    char **door_result, size_t *door_result_size)
+{
+	lxt_gethost_arg_t	*data;
+	struct hostent		*result, *rv;
+	int			token_len, buf_len, type, data_size, i;
+	char			*token, *buf;
+	int			h_errnop;
+
+	assert((request->lxt_sa_op == LXT_SERVER_OP_NAME2HOST) ||
+	    (request->lxt_sa_op == LXT_SERVER_OP_ADDR2HOST));
+
+	/*LINTED*/
+	data = (lxt_gethost_arg_t *)&request->lxt_sa_data[0];
+	data_size = request_size - sizeof (*request) - 1;
+
+	if (!lxt_gethost_arg_check(data, data_size)) {
+		lx_debug("lxt_server_gethost: invalid request");
+		*door_result = NULL;
+		*door_result_size = 0;
+		return;
+	}
+
+	/* Unpack the arguments. */
+	type = data->lxt_gh_type;
+	token = &data->lxt_gh_storage[0];
+	token_len = data->lxt_gh_token_len;
+	result = &data->lxt_gh_result;
+	buf = &data->lxt_gh_storage[data->lxt_gh_token_len];
+	buf_len = data->lxt_gh_buf_len - data->lxt_gh_token_len;
+
+	if (request->lxt_sa_op == LXT_SERVER_OP_NAME2HOST) {
+		(void) lx_call6(lxt_handles[LXTH_GETHOSTBYNAME_R].lxth_handle,
+		    (uintptr_t)token, (uintptr_t)result,
+		    (uintptr_t)buf, buf_len, (uintptr_t)&rv,
+		    (uintptr_t)&h_errnop);
+	} else {
+		(void) lx_call8(lxt_handles[LXTH_GETHOSTBYADDR_R].lxth_handle,
+		    (uintptr_t)token, token_len, type, (uintptr_t)result,
+		    (uintptr_t)buf, buf_len, (uintptr_t)&rv,
+		    (uintptr_t)&h_errnop);
+	}
+
+	if (rv == NULL) {
+		/* the lookup failed */
+		request->lxt_sa_success = 0;
+		request->lxt_sa_errno = errno;
+		data->lxt_gh_h_errno = h_errnop;
+		*door_result = (char *)request;
+		*door_result_size = request_size;
+		return;
+	}
+	request->lxt_sa_success = 1;
+	request->lxt_sa_errno = 0;
+	data->lxt_gh_h_errno = 0;
+
+	/*
+	 * The result structure that we would normally return contains a
+	 * bunch of pointers, but those pointers are useless to our caller
+	 * since they are in a different address space.  So before returning
+	 * we'll convert all the result pointers into offsets.  The caller
+	 * can then map the offsets back into pointers.
+	 */
+	for (i = 0; result->h_aliases[i] != NULL; i++) {
+		result->h_aliases[i] =
+		    LXT_PTR_TO_OFFSET(result->h_aliases[i], buf);
+	}
+	for (i = 0; result->h_addr_list[i] != NULL; i++) {
+		result->h_addr_list[i] =
+		    LXT_PTR_TO_OFFSET(result->h_addr_list[i], buf);
+	}
+	result->h_name = LXT_PTR_TO_OFFSET(result->h_name, buf);
+	result->h_aliases = LXT_PTR_TO_OFFSET(result->h_aliases, buf);
+	result->h_addr_list = LXT_PTR_TO_OFFSET(result->h_addr_list, buf);
+
+	*door_result = (char *)request;
+	*door_result_size = request_size;
+}
+
+static int
+lxt_getserv_arg_check(lxt_getserv_arg_t *x, int x_size)
+{
+	if (x_size != sizeof (*x) + x->lxt_gs_buf_len - 1)
+		return (-1);
+
+	if ((x->lxt_gs_token_len < 0) || (x->lxt_gs_buf_len < 0))
+		return (-1);
+
+	/* Token and buf should use up all the storage. */
+	if ((x->lxt_gs_token_len + x->lxt_gs_buf_len) != x->lxt_gs_storage_len)
+		return (-1);
+
+	return (0);
+}
+
+static void
+lxt_server_getserv(lxt_server_arg_t *request, size_t request_size,
+    char **door_result, size_t *door_result_size)
+{
+	lxt_getserv_arg_t	*data;
+	struct servent		*result, *rv;
+	int			token_len, buf_len, data_size, i, port;
+	char			*token, *buf, *proto = NULL;
+
+	assert((request->lxt_sa_op == LXT_SERVER_OP_NAME2SERV) ||
+	    (request->lxt_sa_op == LXT_SERVER_OP_PORT2SERV));
+
+	/*LINTED*/
+	data = (lxt_getserv_arg_t *)&request->lxt_sa_data[0];
+	data_size = request_size - sizeof (*request) - 1;
+
+	if (!lxt_getserv_arg_check(data, data_size)) {
+		lx_debug("lxt_server_getserv: invalid request");
+		*door_result = NULL;
+		*door_result_size = 0;
+		return;
+	}
+
+	/* Unpack the arguments. */
+	token = &data->lxt_gs_storage[0];
+	token_len = data->lxt_gs_token_len;
+	result = &data->lxt_gs_result;
+	buf = &data->lxt_gs_storage[data->lxt_gs_token_len];
+	buf_len = data->lxt_gs_buf_len - data->lxt_gs_token_len;
+	if (strlen(data->lxt_gs_proto) > 0)
+		proto = data->lxt_gs_proto;
+
+	/* Do more sanity checks */
+	if ((request->lxt_sa_op == LXT_SERVER_OP_PORT2SERV) &&
+	    (token_len != sizeof (int))) {
+		lx_debug("lxt_server_getserv: invalid request");
+		*door_result = NULL;
+		*door_result_size = 0;
+		return;
+	}
+
+	if (request->lxt_sa_op == LXT_SERVER_OP_NAME2SERV) {
+		(void) lx_call6(lxt_handles[LXTH_GETSERVBYNAME_R].lxth_handle,
+		    (uintptr_t)token, (uintptr_t)proto, (uintptr_t)result,
+		    (uintptr_t)buf, buf_len, (uintptr_t)&rv);
+	} else {
+		bcopy(token, &port, sizeof (int));
+		(void) lx_call6(lxt_handles[LXTH_GETSERVBYPORT_R].lxth_handle,
+		    port, (uintptr_t)proto, (uintptr_t)result,
+		    (uintptr_t)buf, buf_len, (uintptr_t)&rv);
+	}
+
+	if (rv == NULL) {
+		/* the lookup failed */
+		request->lxt_sa_success = 0;
+		request->lxt_sa_errno = errno;
+		*door_result = (char *)request;
+		*door_result_size = request_size;
+		return;
+	}
+	request->lxt_sa_success = 1;
+	request->lxt_sa_errno = 0;
+
+	/*
+	 * The result structure that we would normally return contains a
+	 * bunch of pointers, but those pointers are useless to our caller
+	 * since they are in a different address space.  So before returning
+	 * we'll convert all the result pointers into offsets.  The caller
+	 * can then map the offsets back into pointers.
+	 */
+	for (i = 0; result->s_aliases[i] != NULL; i++) {
+		result->s_aliases[i] =
+		    LXT_PTR_TO_OFFSET(result->s_aliases[i], buf);
+	}
+	result->s_proto = LXT_PTR_TO_OFFSET(result->s_proto, buf);
+	result->s_aliases = LXT_PTR_TO_OFFSET(result->s_aliases, buf);
+	result->s_name = LXT_PTR_TO_OFFSET(result->s_name, buf);
+
+	*door_result = (char *)request;
+	*door_result_size = request_size;
+}
+
+static void
+/*ARGSUSED*/
+lxt_server_openlog(lxt_server_arg_t *request, size_t request_size,
+    char **door_result, size_t *door_result_size)
+{
+	lxt_openlog_arg_t	*data;
+	int			data_size;
+	static char		ident[128];
+
+	assert(request->lxt_sa_op == LXT_SERVER_OP_OPENLOG);
+
+	/*LINTED*/
+	data = (lxt_openlog_arg_t *)&request->lxt_sa_data[0];
+	data_size = request_size - sizeof (*request);
+
+	if (data_size != sizeof (*data)) {
+		lx_debug("lxt_server_openlog: invalid request");
+		*door_result = NULL;
+		*door_result_size = 0;
+		return;
+	}
+
+	/*
+	 * Linux expects that the ident pointer passed to openlog()
+	 * points to a static string that won't go away.  Linux
+	 * saves the pointer and references with syslog() is called.
+	 * Hence we'll make a local copy of the ident string here.
+	 */
+	(void) mutex_lock(&lxt_pid_lock);
+	(void) strlcpy(ident, data->lxt_ol_ident, sizeof (ident));
+	(void) mutex_unlock(&lxt_pid_lock);
+
+	/* Call Linx openlog(). */
+	(void) lx_call3(lxt_handles[LXTH_OPENLOG].lxth_handle,
+	    (uintptr_t)ident, data->lxt_ol_logopt, data->lxt_ol_facility);
+
+	request->lxt_sa_success = 1;
+	request->lxt_sa_errno = 0;
+	*door_result = (char *)request;
+	*door_result_size = request_size;
+}
+
+static void
+/*ARGSUSED*/
+lxt_server_syslog(lxt_server_arg_t *request, size_t request_size,
+    char **door_result, size_t *door_result_size)
+{
+	lxt_syslog_arg_t	*data;
+	int			data_size;
+	char			*progname_ptr_new;
+	char			*progname_ptr_old;
+
+	assert(request->lxt_sa_op == LXT_SERVER_OP_SYSLOG);
+
+	/*LINTED*/
+	data = (lxt_syslog_arg_t *)&request->lxt_sa_data[0];
+	data_size = request_size - sizeof (*request);
+
+	if (data_size != sizeof (*data)) {
+		lx_debug("lxt_server_openlog: invalid request");
+		*door_result = NULL;
+		*door_result_size = 0;
+		return;
+	}
+	progname_ptr_new = data->lxt_sl_progname;
+
+	(void) mutex_lock(&lxt_pid_lock);
+
+	/*
+	 * Ensure the message has the correct pid.
+	 * We do this by telling our getpid() system call to return a
+	 * different value.
+	 */
+	(void) syscall(SYS_brand, B_SET_THUNK_PID, data->lxt_sl_pid);
+
+	/*
+	 * Ensure the message has the correct program name.
+	 * Normally instead of a program name an "ident" string is
+	 * used, this is the string passed to openlog().  But if
+	 * openlog() wasn't called before syslog() then Linux
+	 * syslog() will attempt to use the program name as
+	 * the ident string, and the program name is determined
+	 * by looking at the __progname variable.  So we'll just
+	 * update the Linux __progname variable while we do the
+	 * call.
+	 */
+	(void) uucopy(lxt_handles[LXTH_PROGNAME].lxth_handle,
+	    &progname_ptr_old, sizeof (char *));
+	(void) uucopy(&progname_ptr_new,
+	    lxt_handles[LXTH_PROGNAME].lxth_handle, sizeof (char *));
+
+	/* Call Linux syslog(). */
+	(void) lx_call2(lxt_handles[LXTH_SYSLOG].lxth_handle,
+	    data->lxt_sl_priority, (uintptr_t)data->lxt_sl_message);
+
+	/* Restore pid and program name. */
+	(void) uucopy(&progname_ptr_old,
+	    lxt_handles[LXTH_PROGNAME].lxth_handle, sizeof (char *));
+	(void) syscall(SYS_brand, B_SET_THUNK_PID, 0);
+
+	(void) mutex_unlock(&lxt_pid_lock);
+
+	request->lxt_sa_success = 1;
+	request->lxt_sa_errno = 0;
+	*door_result = (char *)request;
+	*door_result_size = request_size;
+}
+
+static void
+/*ARGSUSED*/
+lxt_server_closelog(lxt_server_arg_t *request, size_t request_size,
+    char **door_result, size_t *door_result_size)
+{
+	int			data_size;
+
+	assert(request->lxt_sa_op == LXT_SERVER_OP_CLOSELOG);
+
+	data_size = request_size - sizeof (*request);
+	if (data_size != 0) {
+		lx_debug("lxt_server_closelog: invalid request");
+		*door_result = NULL;
+		*door_result_size = 0;
+		return;
+	}
+
+	/* Call Linux closelog(). */
+	(void) lx_call0(lxt_handles[LXTH_CLOSELOG].lxth_handle);
+
+	request->lxt_sa_success = 1;
+	request->lxt_sa_errno = 0;
+	*door_result = (char *)request;
+	*door_result_size = request_size;
+}
+
+static void
+/*ARGSUSED*/
+lxt_server(void *cookie, char *argp, size_t request_size,
+    door_desc_t *dp, uint_t n_desc)
+{
+	/*LINTED*/
+	lxt_server_arg_t	*request = (lxt_server_arg_t *)argp;
+	lxt_req_t		lxt_req;
+	char			*door_path = cookie;
+
+	/* Check if there's no callers left */
+	if (argp == DOOR_UNREF_DATA) {
+		(void) fdetach(door_path);
+		(void) unlink(door_path);
+		lx_debug("lxt_thunk_server: no clients, exiting");
+		exit(0);
+	}
+
+	/* Sanity check the incomming request. */
+	if (request_size < sizeof (*request)) {
+		/* the lookup failed */
+		lx_debug("lxt_thunk_server: invalid request size");
+		(void) door_return(NULL, 0, NULL, 0);
+		return;
+	}
+
+	if ((request->lxt_sa_op < LXT_SERVER_OP_MIN) ||
+	    (request->lxt_sa_op > LXT_SERVER_OP_MAX)) {
+		lx_debug("lxt_thunk_server: invalid request op");
+		(void) door_return(NULL, 0, NULL, 0);
+		return;
+	}
+
+	/* Handle ping requests immediatly, return here. */
+	if (request->lxt_sa_op == LXT_SERVER_OP_PING) {
+		lx_debug("lxt_thunk_server: handling ping request");
+		request->lxt_sa_success = 1;
+		(void) door_return((char *)request, request_size, NULL, 0);
+		return;
+	}
+
+	lx_debug("lxt_thunk_server: hand off request to Linux thread, "
+	    "request = 0x%p", request);
+
+	/* Pack the request up so we can pass it to a Linux thread. */
+	lxt_req.lxtr_request = request;
+	lxt_req.lxtr_request_size = request_size;
+	lxt_req.lxtr_result = NULL;
+	lxt_req.lxtr_result_size = 0;
+	lxt_req.lxtr_complete = 0;
+	(void) cond_init(&lxt_req.lxtr_complete_cv, USYNC_THREAD, NULL);
+
+	/* Pass the request onto a Linux thread. */
+	(void) mutex_lock(&lxt_req_lock);
+	while (lxt_req_ptr != NULL)
+		(void) cond_wait(&lxt_req_cv, &lxt_req_lock);
+	lxt_req_ptr = &lxt_req;
+	(void) cond_broadcast(&lxt_req_cv);
+
+	/* Wait for the request to be completed. */
+	while (lxt_req.lxtr_complete == 0)
+		(void) cond_wait(&lxt_req.lxtr_complete_cv, &lxt_req_lock);
+	assert(lxt_req_ptr != &lxt_req);
+	(void) mutex_unlock(&lxt_req_lock);
+
+	lx_debug("lxt_thunk_server: hand off request completed, "
+	    "request = 0x%p", request);
+
+	/*
+	 * If door_return() is successfull it never returns, so if we made
+	 * it here there was some kind of error, but there's nothing we can
+	 * really do about it.
+	 */
+	(void) door_return(
+	    lxt_req.lxtr_result, lxt_req.lxtr_result_size, NULL, 0);
+}
+
+static void
+lxt_server_loop(void)
+{
+	lxt_req_t		*lxt_req;
+	lxt_server_arg_t	*request;
+	size_t			request_size;
+	char			*door_result;
+	size_t			door_result_size;
+
+	for (;;) {
+		/* Wait for a request from a doors server thread. */
+		(void) mutex_lock(&lxt_req_lock);
+		while (lxt_req_ptr == NULL)
+			(void) cond_wait(&lxt_req_cv, &lxt_req_lock);
+
+		/* We got a request, get a local pointer to it. */
+		lxt_req = lxt_req_ptr;
+		lxt_req_ptr = NULL;
+		(void) cond_broadcast(&lxt_req_cv);
+		(void) mutex_unlock(&lxt_req_lock);
+
+		/* Get a pointer to the request. */
+		request = lxt_req->lxtr_request;
+		request_size = lxt_req->lxtr_request_size;
+
+		lx_debug("lxt_server_loop: Linux thread request recieved, "
+		    "request = %p", request);
+
+		/* Dispatch the request. */
+		assert((request->lxt_sa_op > LXT_SERVER_OP_PING) ||
+		    (request->lxt_sa_op < LXT_SERVER_OP_MAX));
+		lxt_operations[request->lxt_sa_op].lxto_fp(
+		    request, request_size, &door_result, &door_result_size);
+
+		lx_debug("lxt_server_loop: Linux thread request completed, "
+		    "request = %p", request);
+
+		(void) mutex_lock(&lxt_req_lock);
+
+		/* Set the result pointers for the calling door thread. */
+		lxt_req->lxtr_result = door_result;
+		lxt_req->lxtr_result_size = door_result_size;
+
+		/* Let the door thread know we're done. */
+		lxt_req->lxtr_complete = 1;
+		(void) cond_signal(&lxt_req->lxtr_complete_cv);
+
+		(void) mutex_unlock(&lxt_req_lock);
+	}
+	/*NOTREACHED*/
+}
+
+static void
+lxt_server_enter(int fifo1_wr, int fifo2_rd)
+{
+	struct stat	stat;
+	char		door_path[MAXPATHLEN];
+	int		i, dfd, junk = 0;
+
+	/*
+	 * Do some sanity checks.  Make sure we've got the fifos
+	 * we need passed to us on the correct file descriptors.
+	 */
+	if ((fstat(fifo1_wr, &stat) != 0) ||
+	    ((stat.st_mode & S_IFMT) != S_IFIFO) ||
+	    (fstat(fifo2_rd, &stat) != 0) ||
+	    ((stat.st_mode & S_IFMT) != S_IFIFO)) {
+		lx_err("lx_thunk server aborting, can't contact parent");
+		exit(-1);
+	}
+
+	/*
+	 * Get the initial Linux call handle so we can invoke other
+	 * Linux calls.
+	 */
+	lxh_init = lx_call_init();
+	if (lxh_init == NULL) {
+		lx_err("lx_thunk server aborting, failed Linux call init");
+		exit(-1);
+	}
+
+	/* Now lookup other Linux symbols we'll need access to. */
+	for (i = 0; lxt_handles[i].lxth_name != NULL; i++) {
+		assert(lxt_handles[i].lxth_index == i);
+		if ((lxt_handles[i].lxth_handle = lx_call_dlsym(lxh_init,
+		    lxt_handles[i].lxth_name)) == NULL) {
+			lx_err("lx_thunk server aborting, "
+			    "failed Linux symbol lookup: %s",
+			    lxt_handles[i].lxth_name);
+			exit(-1);
+		}
+	}
+
+	/* get the path to the door server */
+	if (read(fifo2_rd, door_path, sizeof (door_path)) < 0) {
+		lx_err("lxt_server_enter: failed to get door path");
+		exit(-1);
+	}
+	(void) close(fifo2_rd);
+
+	/* Create the door server. */
+	if ((dfd = door_create(lxt_server, door_path,
+	    DOOR_UNREF | DOOR_REFUSE_DESC | DOOR_NO_CANCEL)) < 0) {
+		lx_err("lxt_server_enter: door_create() failed");
+		exit(-1);
+	}
+
+	/* Attach the door to a file system path. */
+	(void) fdetach(door_path);
+	if (fattach(dfd, door_path) < 0) {
+		lx_err("lxt_server_enter: fattach() failed");
+		exit(-1);
+	}
+
+	/* The door server is ready, signal this via a fifo write */
+	(void) write(fifo1_wr, &junk, 1);
+	(void) close(fifo1_wr);
+
+	lx_debug("lxt_server_enter: doors server initialized");
+	lxt_server_loop();
+	/*NOTREACHED*/
+}
+
+void
+lxt_server_exec_check(void)
+{
+	if (lxt_server_processes == 0)
+		return;
+
+	/*
+	 * We're a thunk server process, so we take over control of
+	 * the current Linux process here.
+	 */
+	lx_debug("lx_thunk server initalization starting");
+	lxt_server_enter(LXT_SERVER_FIFO_WR_FD, LXT_SERVER_FIFO_RD_FD);
+	/*NOTREACHED*/
+}
+
+void
+lxt_server_init(int argc, char *argv[])
+{
+	/*
+	 * The thunk server process is a shell script named LXT_SERVER_BINARY.
+	 * It is executed without any parameters.  Since it's a shell script
+	 * the arguments passed to the shell's main entry point are:
+	 *	1) the name of the shell
+	 *	2) the name of the script to execute
+	 *
+	 * So to check if we're the thunk server process we first check
+	 * for the expected number of arduments and then we'll look at
+	 * the second parameter to see if it's LXT_SERVER_BINARY.
+	 */
+	if ((argc != 2) ||
+	    (strcmp(argv[1], LXT_SERVER_BINARY) != 0))
+		return;
+
+	lxt_server_processes = 1;
+	lx_debug("lx_thunk server detected, delaying initalization");
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/mapfile b/usr/src/lib/brand/lx/lx_brand/common/mapfile
new file mode 100644
index 0000000000..0663f4bc19
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/mapfile
@@ -0,0 +1,47 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+#
+# Scope everything local -- our .init section is our only public interface.
+#
+{
+	local:
+		*;
+};
diff --git a/usr/src/lib/brand/lx/lx_brand/common/mapfile-vers b/usr/src/lib/brand/lx/lx_brand/common/mapfile-vers
new file mode 100644
index 0000000000..0663f4bc19
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/mapfile-vers
@@ -0,0 +1,47 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+#
+# Scope everything local -- our .init section is our only public interface.
+#
+{
+	local:
+		*;
+};
diff --git a/usr/src/lib/brand/lx/lx_brand/common/mem.c b/usr/src/lib/brand/lx/lx_brand/common/mem.c
new file mode 100644
index 0000000000..1e50f3def9
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/mem.c
@@ -0,0 +1,486 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <procfs.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/param.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_syscall.h>
+
+/*
+ * There are two forms of mmap, mmap() and mmap2().  The only difference is that
+ * the final argument to mmap2() specifies the number of pages, not bytes.
+ * Linux has a number of additional flags, but they are all deprecated.  We also
+ * ignore the MAP_GROWSDOWN flag, which has no equivalent on Solaris.
+ *
+ * The Linux mmap() returns ENOMEM in some cases where Solaris returns
+ * EOVERFLOW, so we translate the errno as necessary.
+ */
+
+int pagesize;	/* needed for mmap2() */
+
+#define	LX_MAP_ANONYMOUS	0x00020
+#define	LX_MAP_LOCKED		0x02000
+#define	LX_MAP_NORESERVE	0x04000
+#define	LX_MAP_32BIT		0x00040
+
+#define	LX_MADV_REMOVE		9
+#define	LX_MADV_DONTFORK	10
+#define	LX_MADV_DOFORK		11
+#define	LX_MADV_MERGEABLE	12
+#define	LX_MADV_UNMERGEABLE	13
+#define	LX_MADV_HUGEPAGE	14
+#define	LX_MADV_NOHUGEPAGE	15
+#define	LX_MADV_DONTDUMP	16
+#define	LX_MADV_DODUMP		17
+
+static int
+ltos_mmap_flags(int flags)
+{
+	int new_flags;
+
+	new_flags = flags & (MAP_TYPE | MAP_FIXED);
+
+	if (flags & LX_MAP_ANONYMOUS)
+		new_flags |= MAP_ANONYMOUS;
+	if (flags & LX_MAP_NORESERVE)
+		new_flags |= MAP_NORESERVE;
+
+#if defined(_LP64)
+	if (flags & LX_MAP_32BIT)
+		new_flags |= MAP_32BIT;
+#endif
+
+	return (new_flags);
+}
+
+static void *
+mmap_common(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4,
+    uintptr_t p5, off64_t p6)
+{
+	void *addr = (void *)p1;
+	size_t len = p2;
+	int prot = p3;
+	int flags = p4;
+	int fd = p5;
+	off64_t off = p6;
+	void *ret;
+
+	if (LX_DEBUG_ISENABLED) {
+		char *path, path_buf[MAXPATHLEN];
+
+		path = lx_fd_to_path(fd, path_buf, sizeof (path_buf));
+		if (path == NULL)
+			path = "?";
+
+		lx_debug("\tmmap_common(): fd = %d - %s", fd, path);
+	}
+
+	/*
+	 * Under Linux, the file descriptor is ignored when mapping zfod
+	 * anonymous memory,  On Solaris, we want the fd set to -1 for the
+	 * same functionality.
+	 */
+	if (flags & LX_MAP_ANONYMOUS)
+		fd = -1;
+
+	/*
+	 * We refuse, as a matter of principle, to overcommit memory.
+	 * Unfortunately, several bits of important and popular software expect
+	 * to be able to pre-allocate large amounts of virtual memory but then
+	 * probably never use it.  One particularly bad example of this
+	 * practice is golang.
+	 *
+	 * In the interest of running software, unsafe or not, we fudge
+	 * something vaguely similar to overcommit by permanently enabling
+	 * MAP_NORESERVE unless MAP_LOCKED was requested:
+	 */
+	if (!(flags & LX_MAP_LOCKED)) {
+		flags |= LX_MAP_NORESERVE;
+	}
+
+	/*
+	 * This is totally insane. The NOTES section in the linux mmap(2) man
+	 * page claims that on some architectures, read protection may
+	 * automatically include exec protection. It has been observed on a
+	 * native linux system that the /proc/<pid>/maps file does indeed
+	 * show that segments mmap'd from userland (such as libraries mapped in
+	 * by the dynamic linker) all have exec the permission set, even for
+	 * data segments.
+	 */
+	if (prot & PROT_READ)
+		prot |= PROT_EXEC;
+
+	ret = mmap64(addr, len, prot, ltos_mmap_flags(flags), fd, off);
+
+	if (ret == MAP_FAILED)
+		return ((void *)(long)(errno == EOVERFLOW ? -ENOMEM : -errno));
+
+	if (flags & LX_MAP_LOCKED)
+		(void) mlock(ret, len);
+
+	return (ret);
+}
+
+long
+lx_mmap(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4,
+    uintptr_t p5, uintptr_t p6)
+{
+	return ((ssize_t)mmap_common(p1, p2, p3, p4, p5, (off64_t)p6));
+}
+
+long
+lx_mmap2(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4,
+    uintptr_t p5, uintptr_t p6)
+{
+	if (pagesize == 0)
+		pagesize = sysconf(_SC_PAGESIZE);
+
+	return ((ssize_t)mmap_common(p1, p2, p3, p4, p5,
+	    (off64_t)p6 * pagesize));
+}
+
+
+/*
+ * The locking family of system calls, as well as msync(), are identical.  On
+ * Solaris, they are layered on top of the memcntl syscall, so they cannot be
+ * pass-thru.
+ */
+long
+lx_mlock(uintptr_t addr, uintptr_t len)
+{
+	uintptr_t addr1 = addr & PAGEMASK;
+	uintptr_t len1 = len + (addr & PAGEOFFSET);
+
+	return (mlock((void *)addr1, (size_t)len1) ? -errno : 0);
+}
+
+long
+lx_mlockall(uintptr_t flags)
+{
+	return (mlockall(flags) ? -errno : 0);
+}
+
+long
+lx_munlock(uintptr_t addr, uintptr_t len)
+{
+	uintptr_t addr1 = addr & PAGEMASK;
+	uintptr_t len1 = len + (addr & PAGEOFFSET);
+
+	return (munlock((void *)addr1, (size_t)len1) ? -errno : 0);
+}
+
+long
+lx_munlockall(void)
+{
+	return (munlockall() ? -errno : 0);
+}
+
+long
+lx_msync(uintptr_t addr, uintptr_t len, uintptr_t flags)
+{
+	return (msync((void *)addr, (size_t)len, flags) ? -errno : 0);
+}
+
+/*
+ * Illumos and Linux overlap on the basic flags, and are disjoint on the rest.
+ * Linux also allows the length to be zero, while Illumos does not.
+ */
+long
+lx_madvise(uintptr_t start, uintptr_t len, uintptr_t advice)
+{
+	int ret;
+
+	if (len == 0)
+		return (0);
+
+	/* approximately similar */
+	if (advice == LX_MADV_REMOVE)
+		advice = MADV_FREE;
+
+	switch (advice) {
+	case MADV_NORMAL:
+	case MADV_RANDOM:
+	case MADV_SEQUENTIAL:
+	case MADV_WILLNEED:
+	case MADV_FREE:
+	case MADV_DONTNEED:
+		if (advice == MADV_DONTNEED) {
+			/*
+			 * On Linux, MADV_DONTNEED implies an immediate purge
+			 * of the specified region.  This is spuriously
+			 * different from (nearly) every other Unix, having
+			 * apparently been done to mimic the semantics on
+			 * Digital Unix (!).  This is bad enough (MADV_FREE
+			 * both has better semantics and results in better
+			 * performance), but it gets worse:  Linux applications
+			 * (and notably, jemalloc) have managed to depend on
+			 * the busted semantics of MADV_DONTNEED on Linux.  We
+			 * implement these semantics via MADV_PURGE -- and
+			 * we translate our advice accordingly.
+			 */
+			advice = MADV_PURGE;
+		}
+
+		ret = madvise((void *)start, len, advice);
+		if (ret == -1) {
+			if (errno == EBUSY) {
+				if (advice != MADV_PURGE)
+					return (-EINVAL);
+
+				/*
+				 * If we got an EBUSY from a MADV_PURGE, we
+				 * will now try again with a MADV_DONTNEED:
+				 * there are conditions (namely, with locked
+				 * mappings that haven't yet been faulted in)
+				 * where MADV_PURGE will fail but MADV_DONTNEED
+				 * will succeed.  If this succeeds, we'll call
+				 * the operation successful; if not, we'll kick
+				 * back EINVAL.
+				 */
+				advice = MADV_DONTNEED;
+
+				if (madvise((void *)start, len, advice) == 0)
+					return (0);
+
+				return (-EINVAL);
+			}
+
+			return (-errno);
+		} else {
+			return (0);
+		}
+
+	/* harmless to pretend these work */
+	case LX_MADV_DONTFORK:
+	case LX_MADV_DOFORK:
+	case LX_MADV_HUGEPAGE:
+	case LX_MADV_NOHUGEPAGE:
+	case LX_MADV_DONTDUMP:
+	case LX_MADV_DODUMP:
+		return (0);
+
+	/* we'll return an error for the rest of the Linux flags */
+	default:
+		return (-EINVAL);
+	}
+}
+
+/*
+ * mprotect() is identical except that we ignore the Linux flags PROT_GROWSDOWN
+ * and PROT_GROWSUP, which have no equivalent on Solaris.
+ */
+#define	LX_PROT_GROWSDOWN	0x01000000
+#define	LX_PROT_GROWSUP		0x02000000
+
+long
+lx_mprotect(uintptr_t start, uintptr_t len, uintptr_t prot)
+{
+	prot &= ~(LX_PROT_GROWSUP | LX_PROT_GROWSDOWN);
+
+	return (mprotect((void *)start, len, prot) ? -errno : 0);
+}
+
+#define	LX_MREMAP_MAYMOVE	1	/* mapping can be moved */
+#define	LX_MREMAP_FIXED		2	/* address is fixed */
+
+/*
+ * We don't have a native mremap() (and nor do we particularly want one), so
+ * we emulate it strictly in user-land.  The idea is simple: we just want to
+ * mmap() the underlying object with the new size and rip down the old mapping.
+ * However, this is problematic because we don't actually have the file
+ * descriptor that corresponds to the resized mapping (and indeed, the mapped
+ * file may not exist in any file system name space).  So to get a file
+ * descriptor, we find the (or rather, a) path to the mapped object via its
+ * entry in /proc/self/path and attempt to open it.  Assuming that this
+ * succeeds, we then mmap() it and rip down the original mapping.  There are
+ * clearly many reasons why this might fail; absent a more apt errno (e.g.,
+ * ENOMEM in some cases), we return EINVAL to denote these cases.
+ */
+long
+lx_remap(uintptr_t old_address, uintptr_t old_size,
+    uintptr_t new_size, uintptr_t flags, uintptr_t new_address)
+{
+	int prot = 0, oflags, mflags = 0, len, fd = -1, i, nmap;
+	prmap_t map, *maps;
+	uintptr_t rval;
+	char path[256], buf[MAXPATHLEN + 1];
+	struct stat st;
+	ssize_t n;
+	boolean_t found = B_FALSE;
+
+	/*
+	 * We need to search the mappings to find our specified mapping.  Note
+	 * that to perform this search, we use /proc/self/rmap instead of
+	 * /proc/self/map.  This is to accommodate the case where an mmap()'d
+	 * and then ftruncate()'d file is being mremap()'d:  rmap will report
+	 * the size of the mapping (which we need to validate old_size) where
+	 * map will report the smaller of the size of the mapping and the
+	 * size of the object.  (The "r" in "rmap" denotes "reserved".)
+	 */
+	if ((fd = open("/native/proc/self/rmap", O_RDONLY)) == -1 ||
+	    fstat(fd, &st) != 0) {
+		if (fd >= 0) {
+			(void) close(fd);
+		}
+		return (-EINVAL);
+	}
+
+	/*
+	 * Determine the number of mappings we need to read and allocate
+	 * a buffer:
+	 */
+	nmap = st.st_size / sizeof (prmap_t);
+	if ((maps = malloc((nmap + 1) * sizeof (prmap_t))) == NULL) {
+		(void) close(fd);
+		return (-EINVAL);
+	}
+
+	/*
+	 * Read mappings from the kernel and determine how many complete
+	 * mappings were read:
+	 */
+	if ((n = read(fd, maps, (nmap + 1) * sizeof (prmap_t))) < 0) {
+		lx_debug("\rread of /proc/self/map failed: %s",
+		    strerror(errno));
+		(void) close(fd);
+		free(maps);
+		return (-EINVAL);
+	}
+	nmap = n / sizeof (prmap_t);
+	lx_debug("\tfound %d mappings", nmap);
+
+	/*
+	 * Check if any mappings match our arguments:
+	 */
+	for (i = 0; i < nmap; i++) {
+		if (maps[i].pr_vaddr == old_address &&
+		    maps[i].pr_size == old_size) {
+			map = maps[i];
+			found = B_TRUE;
+			break;
+		}
+	}
+
+	(void) close(fd);
+	free(maps);
+
+	if (!found) {
+		lx_debug("\tno matching mapping found");
+		return (-EINVAL);
+	}
+
+	if (!(map.pr_mflags & MA_SHARED)) {
+		/*
+		 * If this is a private mapping, we're not going to remap it.
+		 */
+		return (-EINVAL);
+	}
+
+	if (map.pr_mflags & (MA_ISM | MA_SHM)) {
+		/*
+		 * If this is either ISM or System V shared memory, we're not
+		 * going to remap it.
+		 */
+		return (-EINVAL);
+	}
+
+	if (!(flags & LX_MREMAP_MAYMOVE)) {
+		/*
+		 * If we're not allowed to move this mapping, we're going to
+		 * act as if we can't expand it.
+		 */
+		return (-ENOMEM);
+	}
+
+	oflags = (map.pr_mflags & MA_WRITE) ? O_RDWR : O_RDONLY;
+
+	if (map.pr_mapname[0] == '\0') {
+		/*
+		 * This is likely an anonymous mapping.
+		 */
+		return (-EINVAL);
+	}
+
+	(void) snprintf(path, sizeof (path),
+	    "/native/proc/self/path/%s", map.pr_mapname);
+
+	if ((len = readlink(path, buf, sizeof (buf))) == -1 ||
+	    len == sizeof (buf)) {
+		/*
+		 * If we failed to read the link, the path might not exist.
+		 */
+		return (-EINVAL);
+	}
+	buf[len] = '\0';
+
+	if ((fd = open(buf, oflags)) == -1) {
+		/*
+		 * If we failed to open the object, it may be because it's
+		 * not named (i.e., it's anonymous) or because we somehow
+		 * don't have permissions.  Either way, we're going to kick
+		 * it back with EINVAL.
+		 */
+		return (-EINVAL);
+	}
+
+	if (map.pr_mflags & MA_WRITE)
+		prot |= PROT_WRITE;
+
+	if (map.pr_mflags & MA_READ)
+		prot |= PROT_READ;
+
+	if (map.pr_mflags & MA_EXEC)
+		prot |= PROT_EXEC;
+
+	mflags = MAP_SHARED;
+
+	if (new_address != NULL && (flags & LX_MREMAP_FIXED)) {
+		mflags |= MAP_FIXED;
+	} else {
+		new_address = NULL;
+	}
+
+	rval = (uintptr_t)mmap((void *)new_address, new_size,
+	    prot, mflags, fd, map.pr_offset);
+	(void) close(fd);
+
+	if ((void *)rval == MAP_FAILED)
+		return ((long)-ENOMEM);
+
+	/*
+	 * Our mapping succeeded; we're now going to rip down the old mapping.
+	 */
+	(void) munmap((void *)old_address, old_size);
+
+	return (rval);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/misc.c b/usr/src/lib/brand/lx/lx_brand/common/misc.c
new file mode 100644
index 0000000000..8b2d0d646c
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/misc.c
@@ -0,0 +1,1122 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#include <stdlib.h>
+#include <assert.h>
+#include <alloca.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <strings.h>
+#include <macros.h>
+#include <sys/brand.h>
+#include <sys/reboot.h>
+#include <sys/stat.h>
+#include <sys/syscall.h>
+#include <sys/sysmacros.h>
+#include <sys/systeminfo.h>
+#include <sys/types.h>
+#include <sys/epoll.h>
+#include <sys/mman.h>
+#include <sys/shm.h>
+#include <sys/lx_types.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_stat.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_thunk_server.h>
+#include <sys/lx_fcntl.h>
+#include <sys/lx_thread.h>
+#include <sys/inotify.h>
+#include <sys/eventfd.h>
+#include <sys/timerfd.h>
+#include <thread.h>
+#include <unistd.h>
+#include <libintl.h>
+#include <zone.h>
+#include <priv.h>
+#include <lx_syscall.h>
+
+extern int sethostname(char *, int);
+
+/* ARGUSED */
+long
+lx_rename(uintptr_t p1, uintptr_t p2)
+{
+	int ret;
+
+	ret = rename((const char *)p1, (const char *)p2);
+
+	if (ret < 0) {
+		/*
+		 * If rename(2) failed and we're in install mode, return
+		 * success if the the reason we failed was either because the
+		 * source file didn't actually exist or if it was because we
+		 * tried to rename it to be the name of a device currently in
+		 * use (resulting in an EBUSY.)
+		 *
+		 * To help install along further, if the failure was due
+		 * to an EBUSY, delete the original file so we don't leave
+		 * extra files lying around.
+		 */
+		if (lx_install != 0) {
+			if (errno == ENOENT)
+				return (0);
+
+			if (errno == EBUSY) {
+				(void) unlink((const char *)p1);
+				return (0);
+			}
+		}
+
+		return (-errno);
+	}
+
+	return (0);
+}
+
+long
+lx_renameat(uintptr_t ext1, uintptr_t p1, uintptr_t ext2, uintptr_t p2)
+{
+	int ret;
+	int atfd1 = (int)ext1;
+	int atfd2 = (int)ext2;
+
+	if (atfd1 == LX_AT_FDCWD)
+		atfd1 = AT_FDCWD;
+
+	if (atfd2 == LX_AT_FDCWD)
+		atfd2 = AT_FDCWD;
+
+	ret = renameat(atfd1, (const char *)p1, atfd2, (const char *)p2);
+
+	if (ret < 0) {
+		/* see lx_rename() for why we check lx_install */
+		if (lx_install != 0) {
+			if (errno == ENOENT)
+				return (0);
+
+			if (errno == EBUSY) {
+				(void) unlinkat(ext1, (const char *)p1, 0);
+				return (0);
+			}
+		}
+
+		return (-errno);
+	}
+
+	return (0);
+}
+
+/*ARGSUSED*/
+long
+lx_reboot(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4)
+{
+	int magic = (int)p1;
+	int magic2 = (int)p2;
+	uint_t flag = (int)p3;
+	int rc;
+
+	if (magic != LINUX_REBOOT_MAGIC1)
+		return (-EINVAL);
+	if (magic2 != LINUX_REBOOT_MAGIC2 && magic2 != LINUX_REBOOT_MAGIC2A &&
+	    magic2 != LINUX_REBOOT_MAGIC2B && magic2 != LINUX_REBOOT_MAGIC2C &&
+	    magic2 != LINUX_REBOOT_MAGIC2D)
+		return (-EINVAL);
+
+	if (geteuid() != 0)
+		return (-EPERM);
+
+	switch (flag) {
+	case LINUX_REBOOT_CMD_CAD_ON:
+	case LINUX_REBOOT_CMD_CAD_OFF:
+		/* ignored */
+		rc = 0;
+		break;
+	case LINUX_REBOOT_CMD_POWER_OFF:
+	case LINUX_REBOOT_CMD_HALT:
+		rc = reboot(RB_HALT, NULL);
+		break;
+	case LINUX_REBOOT_CMD_RESTART:
+	case LINUX_REBOOT_CMD_RESTART2:
+		/* RESTART2 may need more work */
+		lx_msg("Restarting system.\n");
+		rc = reboot(RB_AUTOBOOT, NULL);
+		break;
+	default:
+		return (-EINVAL);
+	}
+
+	return ((rc == -1) ? -errno : rc);
+}
+
+/*
+ * getcwd() - Linux syscall semantics are slightly different; we need to return
+ * the length of the pathname copied (+ 1 for the terminating NULL byte.)
+ */
+long
+lx_getcwd(uintptr_t p1, uintptr_t p2)
+{
+	char *buf;
+	size_t buflen = (size_t)p2;
+	size_t copylen, local_len;
+	size_t len = 0;
+
+	if ((getcwd((char *)p1, (size_t)p2)) == NULL)
+		return (-errno);
+
+	/*
+	 * We need the length of the pathname getcwd() copied but we never want
+	 * to dereference a Linux pointer for any reason.
+	 *
+	 * Thus, to get the string length we will uucopy() up to copylen
+	 * bytes at a time into a local buffer and will walk each chunk looking
+	 * for the string-terminating NULL byte.
+	 *
+	 * We can use strlen() to find the length of the string in the
+	 * local buffer by delimiting the buffer with a NULL byte in the
+	 * last element that will never be overwritten.
+	 */
+	copylen = min(buflen, MAXPATHLEN + 1);
+	buf = SAFE_ALLOCA(copylen + 1);
+	if (buf == NULL)
+		return (-ENOMEM);
+	buf[copylen] = '\0';
+
+	for (;;) {
+		if (uucopy((char *)p1 + len, buf, copylen) != 0)
+			return (-errno);
+
+		local_len = strlen(buf);
+		len += local_len;
+
+		/*
+		 * If the strlen() is less than copylen, we found the
+		 * real end of the string -- not the NULL byte used to
+		 * delimit the end of our buffer.
+		 */
+		if (local_len != copylen)
+			break;
+
+		/* prepare to check the next chunk of the string */
+		buflen -= copylen;
+		copylen = min(buflen, copylen);
+	}
+
+	return (len + 1);
+}
+
+long
+lx_uname(uintptr_t p1)
+{
+	struct lx_utsname *un = (struct lx_utsname *)p1;
+	char buf[LX_SYS_UTS_LN + 1];
+
+	if (gethostname(un->nodename, sizeof (un->nodename)) == -1)
+		return (-errno);
+
+	(void) strlcpy(un->sysname, LX_UNAME_SYSNAME, LX_SYS_UTS_LN);
+	(void) strlcpy(un->release, lx_release, LX_SYS_UTS_LN);
+	(void) strlcpy(un->version, LX_UNAME_VERSION, LX_SYS_UTS_LN);
+	(void) strlcpy(un->machine, LX_UNAME_MACHINE, LX_SYS_UTS_LN);
+	if ((sysinfo(SI_SRPC_DOMAIN, buf, LX_SYS_UTS_LN) < 0))
+		un->domainname[0] = '\0';
+	else
+		(void) strlcpy(un->domainname, buf, LX_SYS_UTS_LN);
+
+	return (0);
+}
+
+/*
+ * {get,set}groups16() - Handle the conversion between 16-bit Linux gids and
+ * 32-bit illumos gids.
+ */
+long
+lx_getgroups16(uintptr_t p1, uintptr_t p2)
+{
+	int count = (int)p1;
+	lx_gid16_t *grouplist = (lx_gid16_t *)p2;
+	gid_t *grouplist32;
+	int ret;
+	int i;
+
+	if (count < 0)
+		return (-EINVAL);
+
+	grouplist32 = malloc(count * sizeof (gid_t));
+	if (grouplist32 == NULL && count > 0) {
+		free(grouplist32);
+		return (-ENOMEM);
+	}
+	if ((ret = getgroups(count, grouplist32)) < 0) {
+		free(grouplist32);
+		return (-errno);
+	}
+
+	/* we must not modify the list if the incoming count was 0 */
+	if (count > 0) {
+		for (i = 0; i < ret; i++)
+			grouplist[i] = LX_GID32_TO_GID16(grouplist32[i]);
+	}
+
+	free(grouplist32);
+	return (ret);
+}
+
+long
+lx_setgroups16(uintptr_t p1, uintptr_t p2)
+{
+	long rv;
+	int count = (int)p1;
+	lx_gid16_t *grouplist = NULL;
+	gid_t *grouplist32 = NULL;
+	int i;
+
+	if ((grouplist = malloc(count * sizeof (lx_gid16_t))) == NULL) {
+		return (-ENOMEM);
+	}
+	if (uucopy((void *)p2, grouplist, count * sizeof (lx_gid16_t)) != 0) {
+		free(grouplist);
+		return (-EFAULT);
+	}
+
+	grouplist32 = malloc(count * sizeof (gid_t));
+	if (grouplist32 == NULL) {
+		free(grouplist);
+		return (-ENOMEM);
+	}
+	for (i = 0; i < count; i++)
+		grouplist32[i] = LX_GID16_TO_GID32(grouplist[i]);
+
+	/* order matters here to get the correct errno back */
+	if (count > NGROUPS_MAX_DEFAULT) {
+		free(grouplist);
+		free(grouplist32);
+		return (-EINVAL);
+	}
+
+	rv = setgroups(count, grouplist32);
+
+	free(grouplist);
+	free(grouplist32);
+
+	return (rv != 0 ? -errno : 0);
+}
+
+/*
+ * personality().  We don't really support Linux personalities, but we have to
+ * emulate enough (or ahem, lie) to show that we support the basic personality.
+ * We also allow certain (relatively) harmless bits of the personality to be
+ * "set" -- keeping track of whatever lie we're telling so we don't get caught
+ * out too easily.
+ */
+#define	LX_PER_LINUX			0x0
+#define	LX_PER_MASK			0xff
+
+/*
+ * These are for what Linux calls "bug emulation".
+ */
+#define	LX_PER_UNAME26			0x0020000
+#define	LX_PER_ADDR_NO_RANDOMIZE	0x0040000
+#define	LX_PER_FDPIC_FUNCPTRS		0x0080000
+#define	LX_PER_MMAP_PAGE_ZERO		0x0100000
+#define	LX_PER_ADDR_COMPAT_LAYOUT	0x0200000
+#define	LX_PER_READ_IMPLIES_EXEC	0x0400000
+#define	LX_PER_ADDR_LIMIT_32BIT		0x0800000
+#define	LX_PER_SHORT_INODE		0x1000000
+#define	LX_PER_WHOLE_SECONDS		0x2000000
+#define	LX_PER_STICKY_TIMEOUTS		0x4000000
+#define	LX_PER_ADDR_LIMIT_3GB		0x8000000
+
+long
+lx_personality(uintptr_t p1)
+{
+	static int current = LX_PER_LINUX;
+	int per = (int)p1;
+
+	switch (per) {
+	case -1:
+		/* Request current personality */
+		return (current);
+	case LX_PER_LINUX:
+		current = per;
+		return (0);
+	default:
+		if (per & LX_PER_MASK)
+			return (-EINVAL);
+
+		/*
+		 * We allow a subset of the legacy emulation personality
+		 * attributes to be "turned on" -- which we put in quotes
+		 * because we don't actually change our behavior based on
+		 * them.  (Note that we silently ignore the others.)
+		 */
+		current = per & (LX_PER_ADDR_LIMIT_3GB |
+		    LX_PER_ADDR_NO_RANDOMIZE | LX_PER_ADDR_COMPAT_LAYOUT);
+
+		return (0);
+	}
+}
+
+/*
+ * mknod() - Since we don't have the SYS_CONFIG privilege within a zone, the
+ * only mode we have to support is S_IFIFO.  We also have to distinguish between
+ * an invalid type and insufficient privileges.
+ */
+#define	LX_S_IFMT	0170000
+#define	LX_S_IFDIR	0040000
+#define	LX_S_IFCHR	0020000
+#define	LX_S_IFBLK	0060000
+#define	LX_S_IFREG	0100000
+#define	LX_S_IFIFO	0010000
+#define	LX_S_IFLNK	0120000
+#define	LX_S_IFSOCK	0140000
+
+/*ARGSUSED*/
+long
+lx_mknod(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	char *path = (char *)p1;
+	lx_dev_t lx_dev = (lx_dev_t)p3;
+	struct sockaddr_un sockaddr;
+	struct stat statbuf;
+	mode_t mode, type;
+	dev_t dev;
+	int fd;
+
+	type = ((mode_t)p2 & LX_S_IFMT);
+	mode = ((mode_t)p2 & 07777);
+
+	switch (type) {
+	case 0:
+	case LX_S_IFREG:
+		/* create a regular file */
+		if (stat(path, &statbuf) == 0)
+			return (-EEXIST);
+
+		if (errno != ENOENT)
+			return (-errno);
+
+		if ((fd = creat(path, mode)) < 0)
+			return (-errno);
+
+		(void) close(fd);
+		return (0);
+
+	case LX_S_IFSOCK:
+		/*
+		 * Create a UNIX domain socket.
+		 *
+		 * Most programmers aren't even aware you can do this.
+		 *
+		 * Note you can also do this via illumos' mknod(2), but
+		 * Linux allows anyone who can create a UNIX domain
+		 * socket via bind(2) to create one via mknod(2);
+		 * illumos requires the caller to be privileged.
+		 */
+		if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
+			return (-errno);
+
+		if (stat(path, &statbuf) == 0)
+			return (-EEXIST);
+
+		if (errno != ENOENT)
+			return (-errno);
+
+		if (uucopy(path, &sockaddr.sun_path,
+		    sizeof (sockaddr.sun_path)) < 0)
+			return (-errno);
+
+		/* assure NULL termination of sockaddr.sun_path */
+		sockaddr.sun_path[sizeof (sockaddr.sun_path) - 1] = '\0';
+		sockaddr.sun_family = AF_UNIX;
+
+		if (bind(fd, (struct sockaddr *)&sockaddr,
+		    strlen(sockaddr.sun_path) +
+		    sizeof (sockaddr.sun_family)) < 0)
+			return (-errno);
+
+		(void) close(fd);
+		return (0);
+
+	case LX_S_IFIFO:
+		dev = 0;
+		break;
+
+	case LX_S_IFCHR:
+	case LX_S_IFBLK:
+		/*
+		 * The "dev" RPM package wants to create all possible Linux
+		 * device nodes, so just report its mknod()s as having
+		 * succeeded if we're in install mode.
+		 */
+		if (lx_install != 0) {
+			lx_debug("lx_mknod: install mode spoofed creation of "
+			    "Linux device [%lld, %lld]\n",
+			    LX_GETMAJOR(lx_dev), LX_GETMINOR(lx_dev));
+
+			return (0);
+		}
+
+		dev = makedevice(LX_GETMAJOR(lx_dev), LX_GETMINOR(lx_dev));
+		break;
+
+	default:
+		return (-EINVAL);
+	}
+
+	return (mknod(path, mode | type, dev) ? -errno : 0);
+}
+
+long
+lx_sethostname(uintptr_t p1, uintptr_t p2)
+{
+	char *name = (char *)p1;
+	int len = (size_t)p2;
+
+	return (sethostname(name, len) ? -errno : 0);
+}
+
+long
+lx_setdomainname(uintptr_t p1, uintptr_t p2)
+{
+	char *name = (char *)p1;
+	int len = (size_t)p2;
+	long rval;
+
+	if (len < 0 || len >= LX_SYS_UTS_LN)
+		return (-EINVAL);
+
+	rval = sysinfo(SI_SET_SRPC_DOMAIN, name, len);
+
+	return ((rval < 0) ? -errno : 0);
+}
+
+long
+lx_execve(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	char *filename = (char *)p1;
+	char **argv = (char **)p2;
+	char **envp = (char **)p3;
+	char *nullist[] = { NULL };
+	char path[64];
+
+	/* First call the thunk server hook. */
+	lxt_server_exec_check();
+
+	/* Get a copy of the executable we're trying to run */
+	path[0] = '\0';
+	(void) uucopystr(filename, path, sizeof (path));
+
+	/* Check if we're trying to run a native binary */
+	if (strncmp(path, "/native/usr/lib/brand/lx/lx_native",
+	    sizeof (path)) == 0) {
+		/* Skip the first element in the argv array */
+		argv++;
+
+		/*
+		 * The name of the new program to execute was the first
+		 * parameter passed to lx_native.
+		 */
+		if (uucopy(argv, &filename, sizeof (char *)) != 0)
+			return (-errno);
+
+		(void) syscall(SYS_brand, B_EXEC_NATIVE, filename, argv, envp,
+		    NULL, NULL, NULL);
+		return (-errno);
+	}
+
+	if (argv == NULL)
+		argv = nullist;
+
+	/*
+	 * Emulate PR_SET_KEEPCAPS which is reset on execve. If this is not done
+	 * the emulated capabilities could be reduced more than expected.
+	 */
+	(void) setpflags(PRIV_AWARE_RESET, 1);
+
+	/* This is a normal exec call. */
+	(void) execve(filename, argv, envp);
+
+	return (-errno);
+}
+
+long
+lx_setgroups(uintptr_t p1, uintptr_t p2)
+{
+	int ng = (int)p1;
+	gid_t *glist = NULL;
+	int i, r;
+
+	lx_debug("\tlx_setgroups(%d, 0x%p", ng, p2);
+
+	if (ng > 0) {
+		if ((glist = (gid_t *)malloc(ng * sizeof (gid_t))) == NULL)
+			return (-ENOMEM);
+
+		if (uucopy((void *)p2, glist, ng * sizeof (gid_t)) != 0) {
+			free(glist);
+			return (-errno);
+		}
+
+		/*
+		 * Linux doesn't check the validity of the group IDs, but
+		 * illumos does. Change any invalid group IDs to a known, valid
+		 * value (yuck).
+		 */
+		for (i = 0; i < ng; i++) {
+			if (glist[i] > MAXUID)
+				glist[i] = MAXUID;
+		}
+	}
+
+	/* order matters here to get the correct errno back */
+	if (ng > NGROUPS_MAX_DEFAULT) {
+		free(glist);
+		return (-EINVAL);
+	}
+
+	r = syscall(SYS_brand, B_HELPER_SETGROUPS, ng, glist);
+
+	free(glist);
+	return ((r == -1) ? -errno : r);
+}
+
+/*
+ * Linux currently defines 42 options for prctl (PR_CAPBSET_READ,
+ * PR_CAPBSET_DROP, etc.). Most of these are not emulated.
+ */
+long
+lx_prctl(int option, uintptr_t arg2, uintptr_t arg3,
+    uintptr_t arg4, uintptr_t arg5)
+{
+	psinfo_t psinfo;
+	size_t fnamelen = sizeof (psinfo.pr_fname);
+	size_t psargslen = sizeof (psinfo.pr_psargs);
+	int fd;
+
+	if (option == LX_PR_GET_DUMPABLE) {
+		/* Indicate that process is always dumpable */
+		return (1);
+	}
+
+	if (option == LX_PR_SET_DUMPABLE) {
+		if (arg2 != 1 && arg2 != 0)
+			return (-EINVAL);
+		/* Lie about altering process dumpability */
+		return (0);
+	}
+
+	if (option == LX_PR_SET_KEEPCAPS) {
+		/*
+		 * The closest illumos analog to SET_KEEPCAPS is the PRIV_AWARE
+		 * flag.  There are probably some cases where it's not exactly
+		 * the same, but this will do for a first try.
+		 */
+		if (arg2 == 0) {
+			if (setpflags(PRIV_AWARE_RESET, 1) != 0)
+				return (-errno);
+		} else {
+			if (setpflags(PRIV_AWARE, 1) != 0)
+				return (-errno);
+		}
+		return (0);
+	}
+
+	if (option != LX_PR_SET_NAME) {
+		lx_unsupported("prctl option %d", option);
+		return (-ENOSYS);
+	}
+
+	/*
+	 * In Linux, PR_SET_NAME sets the name of the thread, not the process.
+	 * Due to the historical quirks of Linux's asinine thread model, this
+	 * name is effectively the name of the process (as visible via ps(1))
+	 * if the thread is the first of its task group.  The first thread is
+	 * therefore special, and to best mimic Linux semantics (and absent a
+	 * notion of per-LWP names), we do nothing (but return success) on LWPs
+	 * other than LWP 1.
+	 */
+	if (thr_self() != 1)
+		return (0);
+
+	if (uucopy((void *)arg2, psinfo.pr_fname,
+	    MIN(LX_PR_SET_NAME_NAMELEN, fnamelen)) != 0)
+		return (-errno);
+
+	psinfo.pr_fname[fnamelen - 1] = '\0';
+
+	if (uucopy((void *)arg2, psinfo.pr_psargs,
+	    MIN(LX_PR_SET_NAME_NAMELEN, psargslen)) != 0)
+		return (-errno);
+
+	psinfo.pr_psargs[psargslen - 1] = '\0';
+
+	if ((fd = open("/native/proc/self/psinfo", O_WRONLY)) < 0)
+		return (-errno);
+
+	if (pwrite(fd, psinfo.pr_fname, fnamelen,
+	    (uintptr_t)psinfo.pr_fname - (uintptr_t)&psinfo) != fnamelen) {
+		(void) close(fd);
+		return (-EIO);
+	}
+
+	if (pwrite(fd, psinfo.pr_psargs, psargslen,
+	    (uintptr_t)psinfo.pr_psargs - (uintptr_t)&psinfo) != psargslen) {
+		(void) close(fd);
+		return (-EIO);
+	}
+
+	(void) close(fd);
+
+	return (0);
+}
+
+/*
+ * For syslog(), as there is no kernel and nothing to log, we simply emulate a
+ * kernel cyclic buffer (LOG_BUF_LEN) of 0 bytes, only handling errors for bad
+ * input.  All actions except 3 and 10 require CAP_SYS_ADMIN or CAP_SYSLOG, in
+ * lieu of full capabilities support for now we just perform an euid check.
+ */
+long
+lx_syslog(int type, char *bufp, int len)
+{
+	if (type < 0 || type > 10)
+		return (-EINVAL);
+
+	if ((type != 3 && type != 10) && (geteuid() != 0))
+		return (-EPERM);
+
+	if ((type >= 2 && type <= 4) && (bufp == NULL || len < 0))
+		return (-EINVAL);
+
+	if ((type == 8) && (len < 1 || len > 8))
+		return (-EINVAL);
+
+	return (0);
+}
+
+/*
+ * The following are pass-through functions but we need to return the correct
+ * long so that the errno propagates back to the Linux code correctly.
+ */
+
+long
+lx_alarm(unsigned int seconds)
+{
+	int r;
+
+	r = alarm(seconds);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_close(int fildes)
+{
+	int r;
+
+	r = close(fildes);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_chdir(const char *path)
+{
+	int r;
+
+	r = chdir(path);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_chroot(const char *path)
+{
+	int r;
+
+	r = chroot(path);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_creat(const char *path, mode_t mode)
+{
+	int r;
+
+	r = creat(path, mode);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_dup(int fildes)
+{
+	int r;
+
+	r = dup(fildes);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_epoll_pwait(int epfd, void *events, int maxevents, int timeout,
+    const sigset_t *sigmask)
+{
+	int r;
+
+	r = epoll_pwait(epfd, events, maxevents, timeout, sigmask);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_epoll_create(int size)
+{
+	int r;
+
+	r = epoll_create(size);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_epoll_create1(int flags)
+{
+	int r;
+
+	r = epoll_create1(flags);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_epoll_wait(int epfd, void *events, int maxevents, int timeout)
+{
+	int r;
+
+	r = epoll_wait(epfd, events, maxevents, timeout);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_fchdir(int fildes)
+{
+	int r;
+
+	r = fchdir(fildes);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_getgid(void)
+{
+	int r;
+
+	r = getgid();
+	return (r);
+}
+
+long
+lx_getgroups(int gidsetsize, gid_t *grouplist)
+{
+	int r;
+
+	r = getgroups(gidsetsize, grouplist);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_getitimer(int which, struct itimerval *value)
+{
+	int r;
+
+	r = getitimer(which, value);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_getuid(void)
+{
+	int r;
+
+	r = getuid();
+	return (r);
+}
+
+long
+lx_inotify_add_watch(int fd, const char *pathname, uint32_t mask)
+{
+	int r;
+
+	r = inotify_add_watch(fd, pathname, mask);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_inotify_init(void)
+{
+	int r;
+
+	r = inotify_init();
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_inotify_init1(int flags)
+{
+	int r;
+
+	r = inotify_init1(flags);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_inotify_rm_watch(int fd, int wd)
+{
+	int r;
+
+	r = inotify_rm_watch(fd, wd);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_mincore(caddr_t addr, size_t len, char *vec)
+{
+	int r;
+
+	r = mincore(addr, len, vec);
+	if (r == -1 && errno == EINVAL) {
+		/*
+		 * LTP mincore01 expects mincore with a huge len to fail with
+		 * ENOMEM on a modern kernel but on Linux 2.6.11 and earlier it
+		 * returns EINVAL.
+		 */
+		if (strcmp(lx_release, "2.6.11") > 0 && (long)len < 0)
+			errno = ENOMEM;
+	}
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_munmap(void *addr, size_t len)
+{
+	int r;
+
+	r = munmap(addr, len);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_nice(int incr)
+{
+	int r;
+
+	r = nice(incr);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_nanosleep(const struct timespec *rqtp, struct timespec *rmtp)
+{
+	int r;
+
+	r = nanosleep(rqtp, rmtp);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_pause(void)
+{
+	int r;
+
+	r = pause();
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_setgid(gid_t gid)
+{
+	int r;
+
+	r = setgid(gid);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_setuid(uid_t uid)
+{
+	int r;
+
+	r = setuid(uid);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_setregid(gid_t rgid, gid_t egid)
+{
+	int r;
+
+	r = setregid(rgid, egid);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_setreuid(uid_t ruid, uid_t euid)
+{
+	int r;
+
+	r = setreuid(ruid, euid);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_shmdt(char *shmaddr)
+{
+	int r;
+
+	r = shmdt(shmaddr);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_stime(const time_t *tp)
+{
+	int r;
+
+	r = stime(tp);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_symlink(const char *name1, const char *name2)
+{
+	int r;
+
+	r = symlink(name1, name2);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_umask(mode_t cmask)
+{
+	int r;
+
+	r = umask(cmask);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_utimes(const char *path, const struct timeval times[2])
+{
+	int r;
+
+	r = utimes(path, times);
+	return ((r == -1) ? -errno : r);
+}
+
+long
+lx_vhangup(void)
+{
+	if (geteuid() != 0)
+		return (-EPERM);
+
+	vhangup();
+
+	return (0);
+}
+
+long
+lx_eventfd(unsigned int initval)
+{
+	return (lx_eventfd2(initval, 0));
+}
+
+long
+lx_eventfd2(unsigned int initval, int flags)
+{
+	int r = eventfd(initval, flags);
+
+	/*
+	 * eventfd(3C) may fail with ENOENT if /dev/eventfd is not available.
+	 * It is less jarring to Linux programs to tell them that the system
+	 * call is not supported than to report an error number they are not
+	 * expecting.
+	 */
+	if (r == -1 && errno == ENOENT)
+		return (-ENOTSUP);
+
+	return (r == -1 ? -errno : r);
+}
+
+long
+lx_timerfd_create(int clockid, int flags)
+{
+	int r = timerfd_create(clockid, flags);
+
+	/*
+	 * As with the eventfd case, above, we return a slightly less jarring
+	 * error condition if we cannot open /dev/timerfd.
+	 */
+	if (r == -1 && errno == ENOENT)
+		return (-ENOTSUP);
+
+	return (r == -1 ? -errno : r);
+}
+
+long
+lx_timerfd_settime(int fd, int flags, const struct itimerspec *value,
+    struct itimerspec *ovalue)
+{
+	int r = timerfd_settime(fd, flags, value, ovalue);
+
+	return (r == -1 ? -errno : r);
+}
+
+long
+lx_timerfd_gettime(int fd, struct itimerspec *value)
+{
+	int r = timerfd_gettime(fd, value);
+
+	return (r == -1 ? -errno : r);
+}
+
+/*
+ * We lucked out here.  Linux and Solaris have exactly the same
+ * rusage structures.
+ */
+long
+lx_getrusage(uintptr_t p1, uintptr_t p2)
+{
+	int who = (int)p1;
+	struct rusage *rup = (struct rusage *)p2;
+	int rv, swho;
+
+	if (who == LX_RUSAGE_SELF)
+		swho = RUSAGE_SELF;
+	else if (who == LX_RUSAGE_CHILDREN)
+		swho = RUSAGE_CHILDREN;
+	else if (who == LX_RUSAGE_THREAD)
+		swho = RUSAGE_LWP;
+	else
+		return (-EINVAL);
+
+	rv = getrusage(swho, rup);
+
+	return (rv < 0 ? -errno : 0);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/module.c b/usr/src/lib/brand/lx/lx_brand/common/module.c
new file mode 100644
index 0000000000..78a593712f
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/module.c
@@ -0,0 +1,90 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * We don't support Linux modules, but we have to emulate enough of the system
+ * calls to show that we don't have any modules installed.
+ */
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_syscall.h>
+
+/*
+ * For query_module(), we provide an empty list of modules, and return ENOENT
+ * on any request for a specific module.
+ */
+#define	LX_QM_MODULES	1
+#define	LX_QM_DEPS	2
+#define	LX_QM_REFS	3
+#define	LX_QM_SYMBOLS	4
+#define	LX_QM_INFO	5
+
+/*ARGSUSED*/
+long
+lx_query_module(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4,
+    uintptr_t p5)
+{
+	/*
+	 * parameter p1 is the 'name' argument.
+	 */
+	int which = (int)p2;
+	char *buf = (char *)p3;
+	size_t bufsize = (size_t)p4;
+	size_t *ret = (size_t *)p5;
+
+	switch (which) {
+	case 0:
+		/*
+		 * Special case: always return 0
+		 */
+		return (0);
+
+	case LX_QM_MODULES:
+		/*
+		 * Generate an empty list of modules.
+		 */
+		if (bufsize && buf)
+			buf[0] = '\0';
+		if (ret)
+			*ret = 0;
+		return (0);
+
+	case LX_QM_DEPS:
+	case LX_QM_REFS:
+	case LX_QM_SYMBOLS:
+	case LX_QM_INFO:
+		/*
+		 * Any requests for specific module information return ENOENT.
+		 */
+		return (-ENOENT);
+
+	default:
+		return (-EINVAL);
+	}
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/mount.c b/usr/src/lib/brand/lx/lx_brand/common/mount.c
new file mode 100644
index 0000000000..1b5df1298b
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/mount.c
@@ -0,0 +1,878 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <alloca.h>
+#include <assert.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <signal.h>
+#include <string.h>
+#include <strings.h>
+#include <nfs/mount.h>
+#include <sys/types.h>
+#include <sys/mount.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <sys/lx_autofs.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_mount.h>
+
+/*
+ * support definitions
+ */
+union fh_buffer {
+	struct nfs_fid	fh2;
+	struct nfs_fh3	fh3;
+	char		fh_data[NFS3_FHSIZE + 2];
+};
+
+typedef enum mount_opt_type {
+	MOUNT_OPT_INVALID	= 0,
+	MOUNT_OPT_NORMAL	= 1,	/* option value: none */
+	MOUNT_OPT_UINT		= 2,	/* option value: unsigned int */
+	MOUNT_OPT_BYTESIZE	= 3	/* option value: byte size, e.g. 25m */
+} mount_opt_type_t;
+
+typedef struct mount_opt {
+	char			*mo_name;
+	mount_opt_type_t	mo_type;
+} mount_opt_t;
+
+
+/*
+ * Globals
+ */
+mount_opt_t lofs_options[] = {
+	{ NULL,			MOUNT_OPT_INVALID }
+};
+
+mount_opt_t lx_proc_options[] = {
+	{ NULL,			MOUNT_OPT_INVALID }
+};
+
+mount_opt_t lx_tmpfs_options[] = {
+	{ LX_MNTOPT_SIZE,	MOUNT_OPT_BYTESIZE },
+	{ LX_MNTOPT_MODE,	MOUNT_OPT_UINT },
+	{ NULL,			MOUNT_OPT_INVALID }
+};
+
+mount_opt_t lx_autofs_options[] = {
+	{ LX_MNTOPT_FD,		MOUNT_OPT_UINT },
+	{ LX_MNTOPT_PGRP,	MOUNT_OPT_UINT },
+	{ LX_MNTOPT_MINPROTO,	MOUNT_OPT_UINT },
+	{ LX_MNTOPT_MAXPROTO,	MOUNT_OPT_UINT },
+	{ NULL,			MOUNT_OPT_INVALID }
+};
+
+
+/*
+ * i_lx_opt_verify() - Check the mount options.
+ *
+ * You might wonder why we're being so strict about the mount options
+ * we allow.  The reason is that normally all mount option verification
+ * is done by the Solaris userland mount command.  Once mount options
+ * are passed to the kernel, invalid options are simply ignored.  So
+ * if we actually want to catch requests for functionality that we
+ * don't support, or if we want to make sure that we don't randomly
+ * enable options that we haven't check to make sure they have the
+ * same syntax on Linux and Solaris, we need to reject any options
+ * we don't know to be ok here.
+ */
+static int
+i_lx_opt_verify(char *opts, mount_opt_t *mop)
+{
+	int	opts_len = strlen(opts);
+	char	*opts_tmp, *opt;
+	int	opt_len, i;
+
+	assert((opts != NULL) && (mop != NULL));
+
+	/* If no options were specified, there's no problem. */
+	if (opts_len == 0) {
+		errno = 0;
+		return (0);
+	}
+
+	/* If no options are allowed, fail. */
+	if (mop[0].mo_name == NULL) {
+		errno = ENOTSUP;
+		return (-1);
+	}
+
+	/* Don't accept leading or trailing ','. */
+	if ((opts[0] == ',') || (opts[opts_len] == ',')) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	/* Don't accept sequential ','. */
+	for (i = 1; i < opts_len; i++) {
+		if ((opts[i - 1] ==  ',') && (opts[i] ==  ',')) {
+			errno = EINVAL;
+			return (-1);
+		}
+	}
+
+	/*
+	 * We're going to use strtok() which modifies the target
+	 * string so make a temporary copy.
+	 */
+	opts_tmp = SAFE_ALLOCA(opts_len);
+	if (opts_tmp == NULL) {
+		errno = ENOMEM;
+		return (-1);
+	}
+	bcopy(opts, opts_tmp, opts_len + 1);
+
+	/* Verify each prop one at a time. */
+	opt = strtok(opts_tmp, ",");
+	opt_len = strlen(opt);
+	for (;;) {
+
+		/* Check for matching option/value pair. */
+		for (i = 0; mop[i].mo_name != NULL; i++) {
+			char	*ovalue;
+			int	ovalue_len, mo_len;
+
+			/* If the options is too short don't bother comparing */
+			mo_len = strlen(mop[i].mo_name);
+			if (opt_len < mo_len) {
+				/* Keep trying to find a match. */
+				continue;
+			}
+
+			/* Compare the option to an allowed option. */
+			if (strncmp(mop[i].mo_name, opt, mo_len) != 0) {
+				/* Keep trying to find a match. */
+				continue;
+			}
+
+			if (mop[i].mo_type == MOUNT_OPT_NORMAL) {
+				/* The option doesn't take a value. */
+				if (opt_len == mo_len) {
+					/* This option is ok. */
+					break;
+				} else {
+					/* Keep trying to find a match. */
+					continue;
+				}
+			}
+
+			/* This options takes a value. */
+			if ((opt_len == mo_len) || (opt[mo_len] != '=')) {
+				/* Keep trying to find a match. */
+				continue;
+			}
+
+			/* We have an option match.  Verify option value. */
+			ovalue = &opt[mo_len] + 1;
+			ovalue_len = strlen(ovalue);
+
+			/* Value can't be zero length string. */
+			if (ovalue_len == 0) {
+				errno = EINVAL;
+				return (-1);
+			}
+
+			if (mop[i].mo_type == MOUNT_OPT_UINT) {
+				int j;
+				/* Verify that value is an unsigned int. */
+				for (j = 0; j < ovalue_len; j++) {
+					if (!isdigit(ovalue[j])) {
+						errno = EINVAL;
+						return (-1);
+					}
+				}
+			} else if (mop[i].mo_type == MOUNT_OPT_BYTESIZE) {
+				int j;
+				int stage = 0;
+
+				/*
+				 * Verify that the value is an unsigned integer
+				 * that ends in a magnitude suffix (i.e. 'k'
+				 * or 'm') or a '%' character.
+				 */
+				for (j = 0; j < ovalue_len; j++) {
+					switch (stage) {
+					case 0:
+						/*
+						 * Look for at least one digit.
+						 */
+						if (!isdigit(ovalue[j])) {
+							errno = EINVAL;
+							return (-1);
+						}
+						stage = 1;
+						break;
+					case 1:
+						/*
+						 * Allow an unlimited number of
+						 * digits.
+						 */
+						if (isdigit(ovalue[j])) {
+							break;
+						}
+						/*
+						 * Allow one (valid) byte
+						 * magnitude character.
+						 */
+						if (ovalue[j] == 'm' ||
+						    ovalue[j] == 'k' ||
+						    ovalue[j] == '\%') {
+							stage = 2;
+							break;
+						}
+						errno = EINVAL;
+						return (-1);
+					case 2:
+						/*
+						 * Invalid trailing characters.
+						 */
+						errno = EINVAL;
+						return (-1);
+					}
+				}
+
+				if (stage < 1) {
+					errno = EINVAL;
+					return (-1);
+				}
+			} else {
+				/* Unknown option type specified. */
+				assert(0);
+			}
+
+			/* The option is ok. */
+			break;
+		}
+
+		/* If there were no matches this is an unsupported option. */
+		if (mop[i].mo_name == NULL) {
+			errno = EINVAL;
+			return (-1);
+		}
+
+		/* This option is ok, move onto the next option. */
+		if ((opt = strtok(NULL, ",")) == NULL)
+			break;
+		opt_len = strlen(opt);
+	};
+
+	/* We verified all the options. */
+	return (0);
+}
+
+static int
+i_add_option(char *option, char *buf, size_t buf_size)
+{
+	char *fmt_str = NULL;
+
+	assert((option != NULL) && (strlen(option) > 0));
+	assert((buf != NULL) && (buf_size > 0));
+
+	if (buf[0] == '\0') {
+		fmt_str = "%s";
+	} else {
+		fmt_str = ",%s";
+	}
+
+	buf_size -= strlen(buf);
+	buf += strlen(buf);
+
+	/*LINTED*/
+	if (snprintf(buf, buf_size, fmt_str, option) > (buf_size - 1))
+		return (-EOVERFLOW);
+	return (0);
+}
+
+static int
+i_add_option_int(char *option, int val, char *buf, size_t buf_size)
+{
+	char *fmt_str = NULL;
+
+	assert((option != NULL) && (strlen(option) > 0));
+	assert((buf != NULL) && (buf_size > 0));
+
+	if (buf[0] == '\0') {
+		fmt_str = "%s=%d";
+	} else {
+		fmt_str = ",%s=%d";
+	}
+
+	buf_size -= strlen(buf);
+	buf += strlen(buf);
+
+	/*LINTED*/
+	if (snprintf(buf, buf_size, fmt_str, option, val) > (buf_size - 1))
+		return (-EOVERFLOW);
+	return (0);
+}
+
+static int
+i_make_nfs_args(lx_nfs_mount_data_t *lx_nmd, struct nfs_args *nfs_args,
+    struct netbuf *nfs_args_addr, struct knetconfig *nfs_args_knconf,
+    union fh_buffer *nfs_args_fh, struct sec_data *nfs_args_secdata,
+    char *fstype, char *options, int options_size)
+{
+	struct stat	statbuf;
+	int		i, rv, use_tcp;
+
+	/* Sanity check the incomming Linux request. */
+	if ((lx_nmd->nmd_rsize < 0) || (lx_nmd->nmd_wsize < 0) ||
+	    (lx_nmd->nmd_timeo < 0) || (lx_nmd->nmd_retrans < 0) ||
+	    (lx_nmd->nmd_acregmin < 0) || (lx_nmd->nmd_acregmax < 0) ||
+	    (lx_nmd->nmd_acdirmax < 0)) {
+		return (-EINVAL);
+	}
+
+	/*
+	 * Additional sanity checks of incomming request.
+	 *
+	 * Some of the sanity checks below should probably return
+	 * EINVAL (or some other error code) instead or ENOTSUP,
+	 * but without experiminting on Linux to see how it
+	 * deals with certain strange values there is no way
+	 * to really know what we should return, hence we return
+	 * ENOTSUP to tell us that eventually if we see some
+	 * application hitting the problem we can go to a real
+	 * Linux system, figure out how it deals with the situation
+	 * and update our code to handle it in the same fashion.
+	 */
+	if (lx_nmd->nmd_version != 4) {
+		lx_unsupported("unsupported nfs mount request, "
+		    "unrecognized NFS mount structure: %d\n",
+		    lx_nmd->nmd_version);
+		return (-ENOTSUP);
+	}
+	if ((lx_nmd->nmd_flags & ~LX_NFS_MOUNT_SUPPORTED) != 0) {
+		lx_unsupported("unsupported nfs mount request, "
+		    "flags: 0x%x\n", lx_nmd->nmd_flags);
+		return (-ENOTSUP);
+	}
+	if (lx_nmd->nmd_addr.sin_family != AF_INET) {
+		lx_unsupported("unsupported nfs mount request, "
+		    "transport address family: 0x%x\n",
+		    lx_nmd->nmd_addr.sin_family);
+		return (-ENOTSUP);
+	}
+	for (i = 0; i < LX_NMD_MAXHOSTNAMELEN; i++) {
+		if (lx_nmd->nmd_hostname[i] == '\0')
+			break;
+	}
+	if (i == 0) {
+		lx_unsupported("unsupported nfs mount request, "
+		    "no hostname specified\n");
+		return (-ENOTSUP);
+	}
+	if (i == LX_NMD_MAXHOSTNAMELEN) {
+		lx_unsupported("unsupported nfs mount request, "
+		    "hostname not terminated\n");
+		return (-ENOTSUP);
+	}
+	if (lx_nmd->nmd_namlen < i) {
+		lx_unsupported("unsupported nfs mount request, "
+		    "invalid namlen value: 0x%x\n", lx_nmd->nmd_namlen);
+		return (-ENOTSUP);
+	}
+	if (lx_nmd->nmd_bsize != 0) {
+		lx_unsupported("unsupported nfs mount request, "
+		    "bsize value: 0x%x\n", lx_nmd->nmd_bsize);
+		return (-ENOTSUP);
+	}
+
+	/* Initialize and clear the output structure pointers passed in. */
+	bzero(nfs_args, sizeof (*nfs_args));
+	bzero(nfs_args_addr, sizeof (*nfs_args_addr));
+	bzero(nfs_args_knconf, sizeof (*nfs_args_knconf));
+	bzero(nfs_args_fh, sizeof (*nfs_args_fh));
+	bzero(nfs_args_secdata, sizeof (*nfs_args_secdata));
+	nfs_args->addr = nfs_args_addr;
+	nfs_args->knconf = nfs_args_knconf;
+	nfs_args->fh = (caddr_t)nfs_args_fh;
+	nfs_args->nfs_ext_u.nfs_extB.secdata = nfs_args_secdata;
+
+	/* Check if we're using tcp. */
+	use_tcp = (lx_nmd->nmd_flags & LX_NFS_MOUNT_TCP) ? 1 : 0;
+
+	/*
+	 * These seem to be the default flags used by Solaris for v2 and v3
+	 * nfs mounts.
+	 *
+	 * Don't bother with NFSMNT_TRYRDMA since we always specify a
+	 * transport (either udp or tcp).
+	 */
+	nfs_args->flags = NFSMNT_NEWARGS | NFSMNT_KNCONF | NFSMNT_INT |
+	    NFSMNT_HOSTNAME;
+
+	/* Translate some Linux mount flags into Solaris mount flags. */
+	if (lx_nmd->nmd_flags & LX_NFS_MOUNT_SOFT)
+		nfs_args->flags |= NFSMNT_SOFT;
+	if (lx_nmd->nmd_flags & LX_NFS_MOUNT_INTR)
+		nfs_args->flags |= NFSMNT_INT;
+	if (lx_nmd->nmd_flags & LX_NFS_MOUNT_POSIX)
+		nfs_args->flags |= NFSMNT_POSIX;
+	if (lx_nmd->nmd_flags & LX_NFS_MOUNT_NOCTO)
+		nfs_args->flags |= NFSMNT_NOCTO;
+	if (lx_nmd->nmd_flags & LX_NFS_MOUNT_NOAC)
+		nfs_args->flags |= NFSMNT_NOAC;
+	if (lx_nmd->nmd_flags & LX_NFS_MOUNT_NONLM)
+		nfs_args->flags |= NFSMNT_LLOCK;
+
+	if ((lx_nmd->nmd_flags & LX_NFS_MOUNT_VER3) != 0) {
+		(void) strcpy(fstype, "nfs3");
+		if ((rv = i_add_option_int("vers", 3,
+		    options, options_size)) != 0)
+			return (rv);
+
+		if (lx_nmd->nmd_root.lx_fh3_length >
+		    sizeof (nfs_args_fh->fh3.fh3_u.data)) {
+			lx_unsupported("unsupported nfs mount request, "
+			    "nfs file handle length: 0x%x\n",
+			    lx_nmd->nmd_root.lx_fh3_length);
+			return (-ENOTSUP);
+		}
+
+		/* Set the v3 file handle info. */
+		nfs_args_fh->fh3.fh3_length = lx_nmd->nmd_root.lx_fh3_length;
+		bcopy(&lx_nmd->nmd_root.lx_fh3_data,
+		    nfs_args_fh->fh3.fh3_u.data,
+		    lx_nmd->nmd_root.lx_fh3_length);
+	} else {
+		/*
+		 * Assume nfs v2.  Note that this could also be a v1
+		 * mount request but there doesn't seem to be any difference
+		 * in the parameters passed to the Linux mount system
+		 * call for v1 or v2 mounts so there is no way of really
+		 * knowing.
+		 */
+		(void) strcpy(fstype, "nfs");
+		if ((rv = i_add_option_int("vers", 2,
+		    options, options_size)) != 0)
+			return (rv);
+
+		/* Solaris seems to add this flag when using v2. */
+		nfs_args->flags |= NFSMNT_SECDEFAULT;
+
+		/* Set the v2 file handle info. */
+		bcopy(&lx_nmd->nmd_old_root,
+		    nfs_args_fh, sizeof (nfs_args_fh->fh2));
+	}
+
+	/*
+	 * We can't use getnetconfig() here because there is no netconfig
+	 * database in linux.
+	 */
+	nfs_args_knconf->knc_protofmly = "inet";
+	if (use_tcp) {
+		/*
+		 * TCP uses NC_TPI_COTS_ORD semantics.
+		 * See /etc/netconfig.
+		 */
+		nfs_args_knconf->knc_semantics = NC_TPI_COTS_ORD;
+		nfs_args_knconf->knc_proto = "tcp";
+		if ((rv = i_add_option("proto=tcp",
+		    options, options_size)) != 0)
+			return (rv);
+		if (stat("/dev/tcp", &statbuf) != 0)
+			return (-errno);
+		nfs_args_knconf->knc_rdev = statbuf.st_rdev;
+	} else {
+		/*
+		 * Assume UDP.  UDP uses NC_TPI_CLTS semantics.
+		 * See /etc/netconfig.
+		 */
+		nfs_args_knconf->knc_semantics = NC_TPI_CLTS;
+		nfs_args_knconf->knc_proto = "udp";
+		if ((rv = i_add_option("proto=udp",
+		    options, options_size)) != 0)
+			return (rv);
+		if (stat("/dev/udp", &statbuf) != 0)
+			return (-errno);
+		nfs_args_knconf->knc_rdev = statbuf.st_rdev;
+	}
+
+	/* Set the server address. */
+	nfs_args_addr->maxlen = nfs_args_addr->len =
+	    sizeof (struct sockaddr_in);
+	nfs_args_addr->buf = (char *)&lx_nmd->nmd_addr;
+
+	/* Set the server hostname string. */
+	nfs_args->hostname = lx_nmd->nmd_hostname;
+
+	/* Translate Linux nfs mount parameters into Solaris mount options. */
+	if (lx_nmd->nmd_rsize != LX_NMD_DEFAULT_RSIZE) {
+		if ((rv = i_add_option_int("rsize", lx_nmd->nmd_rsize,
+		    options, options_size)) != 0)
+			return (rv);
+		nfs_args->rsize = lx_nmd->nmd_rsize;
+		nfs_args->flags |= NFSMNT_RSIZE;
+	}
+	if (lx_nmd->nmd_wsize != LX_NMD_DEFAULT_WSIZE) {
+		if ((rv = i_add_option_int("wsize", lx_nmd->nmd_wsize,
+		    options, options_size)) != 0)
+			return (rv);
+		nfs_args->wsize = lx_nmd->nmd_wsize;
+		nfs_args->flags |= NFSMNT_WSIZE;
+	}
+	if ((rv = i_add_option_int("timeo", lx_nmd->nmd_timeo,
+	    options, options_size)) != 0)
+		return (rv);
+	nfs_args->timeo = lx_nmd->nmd_timeo;
+	nfs_args->flags |= NFSMNT_TIMEO;
+	if ((rv = i_add_option_int("retrans", lx_nmd->nmd_retrans,
+	    options, options_size)) != 0)
+		return (rv);
+	nfs_args->retrans = lx_nmd->nmd_retrans;
+	nfs_args->flags |= NFSMNT_RETRANS;
+	if ((rv = i_add_option_int("acregmin", lx_nmd->nmd_acregmin,
+	    options, options_size)) != 0)
+		return (rv);
+	nfs_args->acregmin = lx_nmd->nmd_acregmin;
+	nfs_args->flags |= NFSMNT_ACREGMIN;
+	if ((rv = i_add_option_int("acregmax", lx_nmd->nmd_acregmax,
+	    options, options_size)) != 0)
+		return (rv);
+	nfs_args->acregmax = lx_nmd->nmd_acregmax;
+	nfs_args->flags |= NFSMNT_ACREGMAX;
+	if ((rv = i_add_option_int("acdirmin", lx_nmd->nmd_acdirmin,
+	    options, options_size)) != 0)
+		return (rv);
+	nfs_args->acdirmin = lx_nmd->nmd_acdirmin;
+	nfs_args->flags |= NFSMNT_ACDIRMIN;
+	if ((rv = i_add_option_int("acdirmax", lx_nmd->nmd_acdirmax,
+	    options, options_size)) != 0)
+		return (rv);
+	nfs_args->acdirmax = lx_nmd->nmd_acdirmax;
+	nfs_args->flags |= NFSMNT_ACDIRMAX;
+
+	/* We only support nfs with a security type of AUTH_SYS. */
+	nfs_args->nfs_args_ext = NFS_ARGS_EXTB;
+	nfs_args_secdata->secmod = AUTH_SYS;
+	nfs_args_secdata->rpcflavor = AUTH_SYS;
+	nfs_args_secdata->flags = 0;
+	nfs_args_secdata->uid = 0;
+	nfs_args_secdata->data = NULL;
+	nfs_args->nfs_ext_u.nfs_extB.next = NULL;
+
+	/*
+	 * The Linux nfs mount command seems to pass an open socket fd
+	 * to the kernel during the mount system call.  We don't need
+	 * this fd on Solaris so just close it.
+	 */
+	(void) close(lx_nmd->nmd_fd);
+
+	return (0);
+}
+
+long
+lx_mount(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4,
+    uintptr_t p5)
+{
+	/* Linux input arguments. */
+	const char		*sourcep = (const char *)p1;
+	const char		*targetp = (const char *)p2;
+	const char		*fstypep = (const char *)p3;
+	unsigned int		flags = (unsigned int)p4;
+	const void		*datap = (const void *)p5;
+
+	/* Variables needed for all mounts. */
+	char			source[MAXPATHLEN + LX_NMD_MAXHOSTNAMELEN + 1];
+	char			target[MAXPATHLEN];
+	char			fstype[MAXPATHLEN], options[MAX_MNTOPT_STR];
+	int			sflags, rv;
+
+	/* Variables needed for nfs mounts. */
+	lx_nfs_mount_data_t	lx_nmd;
+	struct nfs_args		nfs_args;
+	struct netbuf 		nfs_args_addr;
+	struct knetconfig	nfs_args_knconf;
+	union fh_buffer		nfs_args_fh;
+	struct sec_data		nfs_args_secdata;
+	char			*sdataptr = NULL;
+	int			sdatalen = 0;
+
+	/* Initialize Solaris mount arguments. */
+	sflags = MS_OPTIONSTR;
+	options[0] = '\0';
+	sdatalen = 0;
+
+	/* Copy in parameters that are always present. */
+	rv = uucopystr((void *)sourcep, &source, sizeof (source));
+	if ((rv == -1) || (rv == sizeof (source)))
+		return (-EFAULT);
+
+	rv = uucopystr((void *)targetp, &target, sizeof (target));
+	if ((rv == -1) || (rv == sizeof (target)))
+		return (-EFAULT);
+
+	rv = uucopystr((void *)fstypep, &fstype, sizeof (fstype));
+	if ((rv == -1) || (rv == sizeof (fstype)))
+		return (-EFAULT);
+
+	lx_debug("\tlinux mount source: %s", source);
+	lx_debug("\tlinux mount target: %s", target);
+	lx_debug("\tlinux mount fstype: %s", fstype);
+
+	/* Make sure we support the requested mount flags. */
+	if ((flags & ~LX_MS_SUPPORTED) != 0) {
+		lx_unsupported("unsupported mount flags: 0x%x", flags);
+		return (-ENOTSUP);
+	}
+
+	/* Do filesystem specific mount work. */
+	if (flags & LX_MS_BIND) {
+
+		/* If MS_BIND is set, we turn this into a lofs mount.  */
+		(void) strcpy(fstype, "lofs");
+
+		/* Copy in Linux mount options. */
+		if (datap != NULL) {
+			rv = uucopystr((void *)datap,
+			    options, sizeof (options));
+			if ((rv == -1) || (rv == sizeof (options)))
+				return (-EFAULT);
+		}
+		lx_debug("\tlinux mount options: \"%s\"", options);
+
+		/* Verify Linux mount options. */
+		if (i_lx_opt_verify(options, lofs_options) != 0) {
+			lx_unsupported("unsupported lofs mount options: %s",
+			    options);
+			return (-errno);
+		}
+	} else if (strcmp(fstype, "tmpfs") == 0) {
+
+		/* Copy in Linux mount options. */
+		if (datap != NULL) {
+			rv = uucopystr((void *)datap,
+			    options, sizeof (options));
+			if ((rv == -1) || (rv == sizeof (options)))
+				return (-EFAULT);
+		}
+		lx_debug("\tlinux mount options: \"%s\"", options);
+
+		/* Verify Linux mount options. */
+		if (i_lx_opt_verify(options, lx_tmpfs_options) != 0) {
+			lx_unsupported("unsupported tmpfs mount options: %s",
+			    options);
+			return (-errno);
+		}
+	} else if (strcmp(fstype, "proc") == 0) {
+		struct stat64	sb;
+
+		/* Translate proc mount requests to lx_proc requests. */
+		(void) strcpy(fstype, "lx_proc");
+
+		/* Copy in Linux mount options. */
+		if (datap != NULL) {
+			rv = uucopystr((void *)datap,
+			    options, sizeof (options));
+			if ((rv == -1) || (rv == sizeof (options)))
+				return (-EFAULT);
+		}
+		lx_debug("\tlinux mount options: \"%s\"", options);
+
+		/* Verify Linux mount options. */
+		if (i_lx_opt_verify(options, lx_proc_options) != 0) {
+			lx_unsupported("unsupported proc mount options: %s",
+			    options);
+			return (-errno);
+		}
+
+		/* If mounting proc over itself, just return ok */
+		if (stat64(target, &sb) == 0 &&
+		    strcmp(sb.st_fstype, "lx_proc") == 0) {
+			return (0);
+		}
+	} else if (strcmp(fstype, "autofs") == 0) {
+
+		/* Translate autofs mount requests to lx_afs requests. */
+		(void) strcpy(fstype, LX_AUTOFS_NAME);
+
+		/* Copy in Linux mount options. */
+		if (datap != NULL) {
+			rv = uucopystr((void *)datap,
+			    options, sizeof (options));
+			if ((rv == -1) || (rv == sizeof (options)))
+				return (-EFAULT);
+		}
+		lx_debug("\tlinux mount options: \"%s\"", options);
+
+		/* Verify Linux mount options. */
+		if (i_lx_opt_verify(options, lx_autofs_options) != 0) {
+			lx_unsupported("unsupported autofs mount options: %s",
+			    options);
+			return (-errno);
+		}
+	} else if (strcmp(fstype, "nfs") == 0) {
+
+		/*
+		 * Copy in Linux mount options. Note that for older Linux
+		 * kernels (pre 2.6.23) the mount options pointer (which
+		 * normally points to a string) points to a structure which
+		 * is populated by the user-level code after it has done the
+		 * preliminary RPCs (similar to how our NFS mount cmd works).
+		 * For newer kernels the options pointer is just a string of
+		 * options. We're unlikely to actually emulate a kernel that
+		 * uses the old style but support is kept and handled in
+		 * i_make_nfs_args(). The new style handling is implemented in
+		 * nfs_pre_mount(). The user-level mount caller is in charge of
+		 * determining the format in which it passes the data parameter.
+		 */
+		int vers;
+
+		if (uucopy((void *)datap, &vers, sizeof (int)) < 0)
+			return (-errno);
+
+		/*
+		 * As described above, the data parameter might be a versioned
+		 * lx_nmd structure or (most likely) it is just a string.
+		 */
+		switch (vers) {
+		case 1:
+		case 2:
+		case 3:
+		case 5:
+		case 6:
+			lx_unsupported("unsupported nfs mount request "
+			    "version: %d\n", vers);
+			return (-ENOTSUP);
+
+		case 4:
+			if (uucopy((void *)datap, &lx_nmd, sizeof (lx_nmd)) < 0)
+				return (-errno);
+
+			/*
+			 * For Illumos nfs mounts, the kernel expects a special
+			 * structure, but a pointer to this structure is passed
+			 * in via an extra parameter (sdataptr below.)
+			 */
+			if ((rv = i_make_nfs_args(&lx_nmd, &nfs_args,
+			    &nfs_args_addr, &nfs_args_knconf, &nfs_args_fh,
+			    &nfs_args_secdata, fstype, options,
+			    sizeof (options))) != 0)
+				return (rv);
+
+			break;
+
+		default:
+			/*
+			 * Handle new style with options as a string, make
+			 * the preliminary RPC calls and do the native mount
+			 * all within lx_nfs_mount().
+			 */
+			if (uucopystr((void *)datap, options,
+			    sizeof (options)) < 0)
+				return (-errno);
+			return (lx_nfs_mount(source, target, fstype, flags,
+			    options));
+			break;
+		}
+
+		/*
+		 * For nfs mounts we need to tell the mount system call
+		 * to expect extra parameters.
+		 */
+		sflags |= MS_DATA;
+		sdataptr = (char *)&nfs_args;
+		sdatalen = sizeof (nfs_args);
+	} else {
+		lx_unsupported("unsupported mount filesystem type: %s", fstype);
+		return (-ENODEV);
+	}
+
+	/* Convert some Linux flags to Illumos flags. */
+	if (flags & LX_MS_RDONLY)
+		sflags |= MS_RDONLY;
+	if (flags & LX_MS_NOSUID)
+		sflags |= MS_NOSUID;
+	if (flags & LX_MS_REMOUNT)
+		sflags |= MS_REMOUNT;
+
+	/*
+	 * Convert some Linux flags to Illumos option strings.
+	 */
+	if (flags & LX_MS_STRICTATIME) {
+		/*
+		 * The "strictatime" mount option ensures that none of the
+		 * weaker atime-related mode options are in effect.
+		 */
+		flags &= ~(LX_MS_RELATIME | LX_MS_NOATIME);
+	}
+	if ((flags & LX_MS_NODEV) &&
+	    ((rv = i_add_option("nodev", options, sizeof (options))) != 0))
+		return (rv);
+	if ((flags & LX_MS_NOEXEC) &&
+	    ((rv = i_add_option("noexec", options, sizeof (options))) != 0))
+		return (rv);
+	if ((flags & LX_MS_NOATIME) &&
+	    ((rv = i_add_option("noatime", options, sizeof (options))) != 0))
+		return (rv);
+
+	lx_debug("\tsolaris mount fstype: %s", fstype);
+	lx_debug("\tsolaris mount options: \"%s\"", options);
+
+	return (mount(source, target, sflags, fstype, sdataptr, sdatalen,
+	    options, sizeof (options)) ? -errno : 0);
+}
+
+/*
+ * umount() is identical, though it is implemented on top of umount2() in
+ * Solaris so it cannot be a pass-thru system call.
+ */
+long
+lx_umount(uintptr_t p1)
+{
+	return (umount((char *)p1) ? -errno : 0);
+}
+
+/*
+ * The Linux umount2() system call is identical but has a different value for
+ * MNT_FORCE (the logical equivalent to MS_FORCE).
+ */
+#define	LX_MNT_FORCE	0x1
+
+long
+lx_umount2(uintptr_t p1, uintptr_t p2)
+{
+	char *path = (char *)p1;
+	int flags = 0;
+
+	if (p2 & ~LX_MNT_FORCE)
+		return (-EINVAL);
+
+	if (p2 & LX_MNT_FORCE)
+		flags |= MS_FORCE;
+
+	return (umount2(path, flags) ? -errno : 0);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/mount_nfs.c b/usr/src/lib/brand/lx/lx_brand/common/mount_nfs.c
new file mode 100644
index 0000000000..983b4c66d9
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/mount_nfs.c
@@ -0,0 +1,2155 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * NFS mount syscall support
+ *
+ * All of the Linux NFS mount RPC support is handled within the kernel whereas
+ * on Illumos the NFS mount command performs the initial RPC calls to contact
+ * the server's mountd, get the file handle, and negotiate security before
+ * making the actual 'mount' syscall. Thus we emulate the Linux in-kernel
+ * RPC behavior here using code that is partially based on the code from our
+ * user-level NFS mount command. This code also includes the nullproc RPC
+ * function calls
+ *
+ * In addition to the code described above we also have brand-specific code to
+ * convert the Linux mount arguments into our native format.
+ *
+ * Because libnsl (which we need to make RPCs) depends on the netconfig table
+ * (which won't exist inside an lx zone) we provide a built-in default
+ * netconfig table which we hook into libnsl via the brand callbacks.
+ *
+ * Finally, in most of the functions below, when the code refers to the
+ * hostname we're really working with the IP addr that the Linux user-level
+ * mount command passed in to us.
+ */
+
+/*
+ * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
+ */
+
+/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+/*
+ * University Copyright- Copyright (c) 1982, 1986, 1988
+ * The Regents of the University of California
+ * All Rights Reserved
+ *
+ * University Acknowledgment- Portions of this document are derived from
+ * software developed by the University of California, Berkeley, and its
+ * contributors.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#define	NFSCLIENT
+#include <string.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <sys/param.h>
+#include <rpc/rpc.h>
+#include <errno.h>
+#include <netdb.h>
+#include <sys/mount.h>
+#include <sys/mntent.h>
+#include <sys/mnttab.h>
+#include <nfs/nfs.h>
+#include <nfs/mount.h>
+#include <rpcsvc/mount.h>
+#include <sys/pathconf.h>
+#include <netdir.h>
+#include <netconfig.h>
+#include <sys/sockio.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <nfs/nfs_sec.h>
+#include <rpcsvc/daemon_utils.h>
+#include <rpcsvc/nfs4_prot.h>
+#include <limits.h>
+#include <nfs/nfssys.h>
+#include <strings.h>
+#include <sys/lx_mount.h>
+
+#ifndef	NFS_VERSMAX
+#define	NFS_VERSMAX	4
+#endif
+#ifndef	NFS_VERSMIN
+#define	NFS_VERSMIN	2
+#endif
+
+#define	RET_OK		0
+#define	RET_RETRY	32
+#define	RET_ERR		33
+#define	RET_MNTERR	1000
+#define	ERR_PROTO_NONE		0
+#define	ERR_PROTO_INVALID	901
+#define	ERR_PROTO_UNSUPP	902
+#define	ERR_NETPATH		903
+#define	ERR_NOHOST		904
+#define	ERR_RPCERROR		905
+
+typedef struct err_ret {
+	int error_type;
+	int error_value;
+} err_ret_t;
+
+#define	SET_ERR_RET(errst, etype, eval) \
+	(errst)->error_type = etype; \
+	(errst)->error_value = eval;
+
+/*
+ * Built-in netconfig table.
+ */
+#define	N_NETCONF_ENTS	4
+static struct netconfig nca[N_NETCONF_ENTS] = {
+	{"udp6", NC_TPI_CLTS,     1, "inet6", "udp", "/dev/udp6", 0, NULL},
+	{"tcp6", NC_TPI_COTS_ORD, 1, "inet6", "tcp", "/dev/tcp6", 0, NULL},
+	{"udp",  NC_TPI_CLTS,     1, "inet",  "udp", "/dev/udp", 0, NULL},
+	{"tcp",  NC_TPI_COTS_ORD, 1, "inet",  "tcp", "/dev/tcp", 0, NULL}
+};
+
+/*
+ * Mapping table of Linux NFS mount options to the corresponding Illumos
+ * option. The nmo_argtyp field tells us how to handle the argument.
+ */
+typedef enum map_mount_opt_type {
+	MOUNT_OPT_INVALID	= 0,
+	MOUNT_OPT_PASTHRU	= 1,
+	MOUNT_OPT_IGNORE	= 2,
+	MOUNT_OPT_TOKEN		= 3,
+	MOUNT_OPT_HAS_ARG	= 4
+} map_mount_opt_type_t;
+
+typedef struct nfs_map_opt {
+	char			*nmo_lx_opt;
+	char			*nmo_il_opt;
+	map_mount_opt_type_t	nmo_argtyp;
+} nfs_map_opt_t;
+
+static nfs_map_opt_t nmo_tab[] = {
+	{"ac",		NULL,		MOUNT_OPT_IGNORE},
+	{"acdirmax",	NULL,		MOUNT_OPT_PASTHRU},
+	{"acdirmin",	NULL,		MOUNT_OPT_PASTHRU},
+	{"acl",		NULL,		MOUNT_OPT_INVALID},
+	{"acregmax",	NULL,		MOUNT_OPT_PASTHRU},
+	{"acregmin",	NULL,		MOUNT_OPT_PASTHRU},
+	{"actimeo",	NULL,		MOUNT_OPT_PASTHRU},
+	{"bg",		NULL,		MOUNT_OPT_PASTHRU},
+	{"cto",		NULL,		MOUNT_OPT_IGNORE},
+	{"fg",		NULL,		MOUNT_OPT_PASTHRU},
+	{"fsc",		NULL,		MOUNT_OPT_IGNORE},
+	{"hard",	NULL,		MOUNT_OPT_PASTHRU},
+	{"intr",	NULL,		MOUNT_OPT_PASTHRU},
+	{"lock",	NULL,		MOUNT_OPT_IGNORE},
+	{"lookupcache",	NULL,		MOUNT_OPT_INVALID},
+	{"local_lock=%s", NULL,		MOUNT_OPT_INVALID },
+	{"migration",	NULL,		MOUNT_OPT_INVALID},
+	{"minorversion", NULL,		MOUNT_OPT_INVALID},
+	{"mountaddr",	NULL,		MOUNT_OPT_INVALID},
+	{"mounthost",	NULL,		MOUNT_OPT_INVALID},
+	{"mountport",	NULL,		MOUNT_OPT_INVALID},
+	{"mountproto",	NULL,		MOUNT_OPT_INVALID},
+	{"mountvers",	NULL,		MOUNT_OPT_INVALID},
+	{"namlen",	NULL,		MOUNT_OPT_INVALID},
+	{"nfsvers",	NULL,		MOUNT_OPT_INVALID},
+	{"noac",	NULL,		MOUNT_OPT_PASTHRU},
+	{"noacl",	NULL,		MOUNT_OPT_INVALID},
+	{"nocto",	NULL,		MOUNT_OPT_PASTHRU},
+	{"nofsc",	NULL,		MOUNT_OPT_IGNORE},
+	{"nointr",	NULL,		MOUNT_OPT_PASTHRU},
+	{"nolock",	"llock",	MOUNT_OPT_TOKEN},
+	{"nomigration",	NULL,		MOUNT_OPT_INVALID},
+	{"noposix",	NULL,		MOUNT_OPT_IGNORE},
+	{"nordirplus",	NULL,		MOUNT_OPT_IGNORE},
+	{"noresvport",	NULL,		MOUNT_OPT_INVALID},
+	{"nosharecache", NULL,		MOUNT_OPT_IGNORE},
+	{"port",	NULL,		MOUNT_OPT_PASTHRU},
+	{"posix",	NULL,		MOUNT_OPT_PASTHRU},
+	{"proto",	NULL,		MOUNT_OPT_PASTHRU},
+	{"rdirplus",	NULL,		MOUNT_OPT_IGNORE},
+	{"rdma",	"proto=rdma",	MOUNT_OPT_TOKEN},
+	{"resvport",	NULL,		MOUNT_OPT_IGNORE},
+	{"retrans",	NULL,		MOUNT_OPT_PASTHRU},
+	{"retry",	NULL,		MOUNT_OPT_PASTHRU},
+	{"rsize",	NULL,		MOUNT_OPT_PASTHRU},
+	{"sec",		NULL,		MOUNT_OPT_PASTHRU},
+	{"sharecache",	NULL,		MOUNT_OPT_IGNORE},
+	{"sloppy",	NULL,		MOUNT_OPT_INVALID},
+	{"soft",	NULL,		MOUNT_OPT_PASTHRU},
+	{"tcp",		"proto=tcp",	MOUNT_OPT_TOKEN},
+	{"timeo",	NULL,		MOUNT_OPT_PASTHRU},
+	{"udp",		"proto=udp",	MOUNT_OPT_TOKEN},
+	{"vers",	NULL,		MOUNT_OPT_PASTHRU},
+	{"wsize",	NULL,		MOUNT_OPT_PASTHRU},
+	{NULL,		NULL,		MOUNT_OPT_INVALID}
+};
+
+/*
+ * This struct is used to keep track of misc. variables which are set deep
+ * in one function then referenced someplace else. We pass this around to
+ * avoid the use of global variables as is done the the NFS mount command.
+ *
+ * The nfsvers variables control the NFS version number to be used.
+ *
+ * nmd_nfsvers defaults to 0 which means to use the highest number that
+ * both the client and the server support.  It can also be set to
+ * a particular value, either 2, 3, or 4 to indicate the version
+ * number of choice.  If the server (or the client) do not support
+ * the version indicated, then the mount attempt will be failed.
+ *
+ * nmd_nfsvers_to_use is the actual version number found to use.  It
+ * is determined in get_fh by pinging the various versions of the
+ * NFS service on the server to see which responds positively.
+ *
+ * nmd_nfsretry_vers is the version number set when we retry the mount
+ * command with the version decremented from nmd_nfsvers_to_use.
+ * nmd_nfsretry_vers is set from nmd_nfsvers_to_use when we retry the mount
+ * for errors other than RPC errors; it helps us know why we are
+ * retrying. It is an indication that the retry is due to non-RPC errors.
+ */
+typedef struct nfs_mnt_data {
+	int		nmd_bg;
+	int		nmd_posix;
+	int		nmd_retries;
+	ushort_t	nmd_nfs_port;
+	char		*nmd_nfs_proto;
+	char		*nmd_fstype;
+	seconfig_t	nmd_nfs_sec;
+	int		nmd_sec_opt;	/* any security option ? */
+	rpcvers_t	nmd_nfsvers;
+	rpcvers_t	nmd_nfsvers_to_use;
+	rpcvers_t	nmd_nfsretry_vers;
+} nfs_mnt_data_t;
+
+/* number of transports to try */
+#define	MNT_PREF_LISTLEN	2
+#define	FIRST_TRY		1
+#define	SECOND_TRY		2
+
+#define	BIGRETRY	10000
+
+/* maximum length of RPC header for NFS messages */
+#define	NFS_RPC_HDR	432
+
+#define	NFS_ARGS_EXTB_secdata(args, secdata) \
+	{ (args)->nfs_args_ext = NFS_ARGS_EXTB, \
+	(args)->nfs_ext_u.nfs_extB.secdata = secdata; }
+
+extern int __clnt_bindresvport(CLIENT *);
+
+static int retry(struct mnttab *, int, nfs_mnt_data_t *);
+static int set_args(int *, struct nfs_args *, char *, struct mnttab *,
+    nfs_mnt_data_t *);
+static int get_fh(struct nfs_args *, char *, char *, int *,
+	struct netconfig **, ushort_t, nfs_mnt_data_t *);
+static int make_secure(struct nfs_args *, char *, struct netconfig *,
+	rpcvers_t, nfs_mnt_data_t *);
+static int mount_nfs(struct mnttab *, int, err_ret_t *, nfs_mnt_data_t *);
+static int getaddr_nfs(struct nfs_args *, char *, struct netconfig **,
+	char *, ushort_t, err_ret_t *, bool_t, nfs_mnt_data_t *);
+static struct netbuf *get_addr(char *, rpcprog_t, rpcvers_t,
+	struct netconfig **, char *, ushort_t, struct t_info *,
+	caddr_t *, char *, err_ret_t *);
+static struct netbuf *get_the_addr(char *, rpcprog_t, rpcvers_t,
+	struct netconfig *, ushort_t, struct t_info *, caddr_t *,
+	char *, err_ret_t *);
+
+static int lx_nsl_set_sz_func(void);
+static struct netconfig *lx_get_ent_func(int);
+
+/*
+ * These are the defaults (range) for the client when determining
+ * which NFS version to use when probing the server (see above).
+ * These will only be used when the vers mount option is not used.
+ */
+#define	vers_max_default NFS_VERSMAX_DEFAULT
+#define	vers_min_default NFS_VERSMIN_DEFAULT
+
+/*
+ * The wnl/WNL* definitions come from cmd/fs.d/nfs/mount/webnfs.h. We
+ * incorporate those here since the cmd src tree hierarchy is not built when
+ * we're compiling the lib portion of the src tree and since these definitions
+ * are a fundamental part of the protocol spec, there is no risk of these
+ * changing (i.e. we're just like the Linux kernel here, which has these
+ * built-in). We only need the bare minimum set of definitions to make RPCs to
+ * the NFS server to negotiate the mount.
+ */
+
+/* The timeout for our mount null proc pings is always 5 seconds. */
+static struct timeval TIMEOUT = { 5, 0 };
+#define	WNLPROC_NULL	0
+#define	WNLPROC3_NULL	0
+#define	WNLPROC4_NULL	0
+#define	WNL_FHSIZE	32
+
+static enum clnt_stat
+wnlproc_null_2(void *argp, void *clnt_res, CLIENT *clnt)
+{
+	return (clnt_call(clnt, WNLPROC_NULL, (xdrproc_t)xdr_void,
+	    (caddr_t)argp, (xdrproc_t)xdr_void, (caddr_t)clnt_res, TIMEOUT));
+}
+
+static enum clnt_stat
+wnlproc3_null_3(void *argp, void *clnt_res, CLIENT *clnt)
+{
+	return (clnt_call(clnt, WNLPROC3_NULL, (xdrproc_t)xdr_void,
+	    (caddr_t)argp, (xdrproc_t)xdr_void, (caddr_t)clnt_res, TIMEOUT));
+}
+
+static enum clnt_stat
+wnlproc4_null_4(void *argp, void *clnt_res, CLIENT *clnt)
+{
+	return (clnt_call(clnt, WNLPROC4_NULL, (xdrproc_t)xdr_void,
+	    (caddr_t)argp, (xdrproc_t)xdr_void, (caddr_t)clnt_res, TIMEOUT));
+}
+
+static void
+log_err(const char *fmt, ...)
+{
+	va_list ap;
+	char buf[128];
+	int fd;
+
+	va_start(ap, fmt);
+	(void) vsnprintf(buf, sizeof (buf), fmt, ap);
+	va_end(ap);
+
+	if ((fd = open("/dev/conslog", O_WRONLY)) != -1) {
+		(void) write(fd, buf, strlen(buf));
+		(void) close(fd);
+	}
+}
+
+static int
+i_add_option(char *option, char *buf, size_t buf_size)
+{
+	int len;
+	char *fmt_str = NULL;
+
+	if (buf[0] == '\0') {
+		fmt_str = "%s";
+	} else {
+		fmt_str = ",%s";
+	}
+
+	len = strlen(buf);
+	buf_size -= len;
+	buf += len;
+
+	/*LINTED*/
+	if (snprintf(buf, buf_size, fmt_str, option) > (buf_size - 1))
+		return (-EOVERFLOW);
+	return (0);
+}
+
+/*
+ * We can return a negative error value which is the errno we need to return to
+ * lx or we can return a positive error value which is primarily used to
+ * indicate retry (otherwise we map to -EINVAL in the caller). Returning 0
+ * indicates success.
+ */
+static int
+mount_nfs(struct mnttab *mntp, int mntflags, err_ret_t *retry_error,
+    nfs_mnt_data_t *nmdp)
+{
+	struct nfs_args *argp = NULL;
+	struct netconfig *nconf = NULL;
+	int vers = 0;
+	int r = 0;
+	ushort_t port;
+	char *colonp;
+	char *path;
+	char *host;
+	char spec_buf[MAXPATHLEN + LX_NMD_MAXHOSTNAMELEN + 1];
+
+	mntp->mnt_fstype = MNTTYPE_NFS;
+
+	(void) strlcpy(spec_buf, mntp->mnt_special, sizeof (spec_buf));
+	colonp = strchr(spec_buf, ':');
+	if (colonp == NULL)
+		return (-EINVAL);
+
+	*colonp = '\0';
+	host = spec_buf;
+	path = colonp + 1;
+
+	argp = (struct nfs_args *)malloc(sizeof (*argp));
+	if (argp == NULL)
+		return (-ENOMEM);
+
+	memset(argp, 0, sizeof (*argp));
+	memset(&nmdp->nmd_nfs_sec, 0, sizeof (seconfig_t));
+	nmdp->nmd_sec_opt = 0;
+	port = 0;
+
+	if ((r = set_args(&mntflags, argp, host, mntp, nmdp)) != 0)
+		goto out;
+
+	if (port == 0) {
+		port = nmdp->nmd_nfs_port;
+	} else if (nmdp->nmd_nfs_port != 0 && nmdp->nmd_nfs_port != port) {
+		r = -EINVAL;
+		goto out;
+	}
+
+	r = get_fh(argp, host, path, &vers, &nconf, port, nmdp);
+	if (r != 0) {
+		/* All attempts failed */
+		if (r == RET_MNTERR) {
+			r = -EREMOTE;
+		} else if (r != RET_RETRY) {
+			r = -EAGAIN;
+		}
+		goto out;
+	}
+
+	/*
+	 * Call to get_fh() above may have obtained the netconfig info and NULL
+	 * proc'd the server. This would be the case with v4
+	 */
+	if (!(argp->flags & NFSMNT_KNCONF)) {
+		nconf = NULL;
+		r = getaddr_nfs(argp, host, &nconf, path, port,
+		    retry_error, TRUE, nmdp);
+		if (r != 0) {
+			if (r != RET_RETRY)
+				r = -EAGAIN;
+			goto out;
+		}
+	}
+
+	if (make_secure(argp, host, nconf, vers, nmdp) < 0) {
+		r = -EAGAIN;
+		goto out;
+	}
+
+	mntflags |= MS_DATA | MS_OPTIONSTR;
+
+	r = mount(mntp->mnt_special, mntp->mnt_mountp, mntflags,
+	    nmdp->nmd_fstype, argp, sizeof (*argp), mntp->mnt_mntopts,
+	    MAX_MNTOPT_STR);
+	if (r != 0)
+		r = -r;
+out:
+	if (argp->fh)
+		free(argp->fh);
+	if (argp->pathconf)
+		free(argp->pathconf);
+	if (argp->knconf)
+		free(argp->knconf);
+	if (argp->addr) {
+		free(argp->addr->buf);
+		free(argp->addr);
+	}
+	nfs_free_secdata(argp->nfs_ext_u.nfs_extB.secdata);
+	if (argp->syncaddr) {
+		free(argp->syncaddr->buf);
+		free(argp->syncaddr);
+	}
+	if (argp->netname)
+		free(argp->netname);
+	free(argp);
+
+	return (r);
+}
+
+/*
+ * These options are duplicated in uts/common/fs/nfs/nfs_dlinet.c
+ * Changes must be made to both lists.
+ */
+static char *optlist[] = {
+#define	OPT_RO		0
+	MNTOPT_RO,
+#define	OPT_RW		1
+	MNTOPT_RW,
+#define	OPT_QUOTA	2
+	MNTOPT_QUOTA,
+#define	OPT_NOQUOTA	3
+	MNTOPT_NOQUOTA,
+#define	OPT_SOFT	4
+	MNTOPT_SOFT,
+#define	OPT_HARD	5
+	MNTOPT_HARD,
+#define	OPT_SUID	6
+	MNTOPT_SUID,
+#define	OPT_NOSUID	7
+	MNTOPT_NOSUID,
+#define	OPT_GRPID	8
+	MNTOPT_GRPID,
+#define	OPT_REMOUNT	9
+	MNTOPT_REMOUNT,
+#define	OPT_NOSUB	10
+	MNTOPT_NOSUB,
+#define	OPT_INTR	11
+	MNTOPT_INTR,
+#define	OPT_NOINTR	12
+	MNTOPT_NOINTR,
+#define	OPT_PORT	13
+	MNTOPT_PORT,
+#define	OPT_SECURE	14
+	MNTOPT_SECURE,
+#define	OPT_RSIZE	15
+	MNTOPT_RSIZE,
+#define	OPT_WSIZE	16
+	MNTOPT_WSIZE,
+#define	OPT_TIMEO	17
+	MNTOPT_TIMEO,
+#define	OPT_RETRANS	18
+	MNTOPT_RETRANS,
+#define	OPT_ACTIMEO	19
+	MNTOPT_ACTIMEO,
+#define	OPT_ACREGMIN	20
+	MNTOPT_ACREGMIN,
+#define	OPT_ACREGMAX	21
+	MNTOPT_ACREGMAX,
+#define	OPT_ACDIRMIN	22
+	MNTOPT_ACDIRMIN,
+#define	OPT_ACDIRMAX	23
+	MNTOPT_ACDIRMAX,
+#define	OPT_BG		24
+	MNTOPT_BG,
+#define	OPT_FG		25
+	MNTOPT_FG,
+#define	OPT_RETRY	26
+	MNTOPT_RETRY,
+#define	OPT_NOAC	27
+	MNTOPT_NOAC,
+#define	OPT_NOCTO	28
+	MNTOPT_NOCTO,
+#define	OPT_LLOCK	29
+	MNTOPT_LLOCK,
+#define	OPT_POSIX	30
+	MNTOPT_POSIX,
+#define	OPT_VERS	31
+	MNTOPT_VERS,
+#define	OPT_PROTO	32
+	MNTOPT_PROTO,
+#define	OPT_SEMISOFT	33
+	MNTOPT_SEMISOFT,
+#define	OPT_NOPRINT	34
+	MNTOPT_NOPRINT,
+#define	OPT_SEC		35
+	MNTOPT_SEC,
+#define	OPT_LARGEFILES	36
+	MNTOPT_LARGEFILES,
+#define	OPT_NOLARGEFILES 37
+	MNTOPT_NOLARGEFILES,
+#define	OPT_PUBLIC	38
+	MNTOPT_PUBLIC,
+#define	OPT_DIRECTIO	39
+	MNTOPT_FORCEDIRECTIO,
+#define	OPT_NODIRECTIO	40
+	MNTOPT_NOFORCEDIRECTIO,
+#define	OPT_XATTR	41
+	MNTOPT_XATTR,
+#define	OPT_NOXATTR	42
+	MNTOPT_NOXATTR,
+#define	OPT_DEVICES	43
+	MNTOPT_DEVICES,
+#define	OPT_NODEVICES	44
+	MNTOPT_NODEVICES,
+#define	OPT_SETUID	45
+	MNTOPT_SETUID,
+#define	OPT_NOSETUID	46
+	MNTOPT_NOSETUID,
+#define	OPT_EXEC	47
+	MNTOPT_EXEC,
+#define	OPT_NOEXEC	48
+	MNTOPT_NOEXEC,
+	NULL
+};
+
+static int
+convert_int(int *val, char *str)
+{
+	long lval;
+
+	if (str == NULL || !isdigit(*str))
+		return (-1);
+
+	lval = strtol(str, &str, 10);
+	if (*str != '\0' || lval > INT_MAX)
+		return (-2);
+
+	*val = (int)lval;
+	return (0);
+}
+
+static int
+set_args(int *mntflags, struct nfs_args *args, char *fshost, struct mnttab *mnt,
+    nfs_mnt_data_t *nmdp)
+{
+	char *saveopt, *optstr, *opts, *newopts, *val;
+	int num;
+	int largefiles = 0;
+	int invalid = 0;
+	int attrpref = 0;
+	int optlen;
+
+	args->flags = NFSMNT_INT;	/* default is "intr" */
+	args->flags |= NFSMNT_HOSTNAME;
+	args->flags |= NFSMNT_NEWARGS;	/* using extented nfs_args structure */
+	args->hostname = fshost;
+
+	optstr = opts = strdup(mnt->mnt_mntopts);
+	/* sizeof (MNTOPT_XXX) includes one extra byte we may need for "," */
+	optlen = strlen(mnt->mnt_mntopts) + sizeof (MNTOPT_XATTR) + 1;
+	if (optlen > MAX_MNTOPT_STR)
+		return (-EINVAL);
+
+	newopts = malloc(optlen);
+	if (opts == NULL || newopts == NULL) {
+		if (opts)
+			free(opts);
+		if (newopts)
+			free(newopts);
+		return (-EINVAL);
+	}
+	newopts[0] = '\0';
+
+	while (*opts) {
+		invalid = 0;
+		saveopt = opts;
+		switch (getsubopt(&opts, optlist, &val)) {
+		case OPT_RO:
+			*mntflags |= MS_RDONLY;
+			break;
+		case OPT_RW:
+			*mntflags &= ~(MS_RDONLY);
+			break;
+		case OPT_QUOTA:
+		case OPT_NOQUOTA:
+			break;
+		case OPT_SOFT:
+			args->flags |= NFSMNT_SOFT;
+			args->flags &= ~(NFSMNT_SEMISOFT);
+			break;
+		case OPT_SEMISOFT:
+			args->flags |= NFSMNT_SOFT;
+			args->flags |= NFSMNT_SEMISOFT;
+			break;
+		case OPT_HARD:
+			args->flags &= ~(NFSMNT_SOFT);
+			args->flags &= ~(NFSMNT_SEMISOFT);
+			break;
+		case OPT_SUID:
+			*mntflags &= ~(MS_NOSUID);
+			break;
+		case OPT_NOSUID:
+			*mntflags |= MS_NOSUID;
+			break;
+		case OPT_GRPID:
+			args->flags |= NFSMNT_GRPID;
+			break;
+		case OPT_REMOUNT:
+			*mntflags |= MS_REMOUNT;
+			break;
+		case OPT_INTR:
+			args->flags |= NFSMNT_INT;
+			break;
+		case OPT_NOINTR:
+			args->flags &= ~(NFSMNT_INT);
+			break;
+		case OPT_NOAC:
+			args->flags |= NFSMNT_NOAC;
+			break;
+		case OPT_PORT:
+			if (convert_int(&num, val) != 0)
+				goto badopt;
+			nmdp->nmd_nfs_port = htons((ushort_t)num);
+			break;
+
+		case OPT_NOCTO:
+			args->flags |= NFSMNT_NOCTO;
+			break;
+
+		case OPT_RSIZE:
+			if (convert_int(&args->rsize, val) != 0)
+				goto badopt;
+			args->flags |= NFSMNT_RSIZE;
+			break;
+		case OPT_WSIZE:
+			if (convert_int(&args->wsize, val) != 0)
+				goto badopt;
+			args->flags |= NFSMNT_WSIZE;
+			break;
+		case OPT_TIMEO:
+			if (convert_int(&args->timeo, val) != 0)
+				goto badopt;
+			args->flags |= NFSMNT_TIMEO;
+			break;
+		case OPT_RETRANS:
+			if (convert_int(&args->retrans, val) != 0)
+				goto badopt;
+			args->flags |= NFSMNT_RETRANS;
+			break;
+		case OPT_ACTIMEO:
+			if (convert_int(&args->acregmax, val) != 0)
+				goto badopt;
+			args->acdirmin = args->acregmin = args->acdirmax
+			    = args->acregmax;
+			args->flags |= NFSMNT_ACDIRMAX;
+			args->flags |= NFSMNT_ACREGMAX;
+			args->flags |= NFSMNT_ACDIRMIN;
+			args->flags |= NFSMNT_ACREGMIN;
+			break;
+		case OPT_ACREGMIN:
+			if (convert_int(&args->acregmin, val) != 0)
+				goto badopt;
+			args->flags |= NFSMNT_ACREGMIN;
+			break;
+		case OPT_ACREGMAX:
+			if (convert_int(&args->acregmax, val) != 0)
+				goto badopt;
+			args->flags |= NFSMNT_ACREGMAX;
+			break;
+		case OPT_ACDIRMIN:
+			if (convert_int(&args->acdirmin, val) != 0)
+				goto badopt;
+			args->flags |= NFSMNT_ACDIRMIN;
+			break;
+		case OPT_ACDIRMAX:
+			if (convert_int(&args->acdirmax, val) != 0)
+				goto badopt;
+			args->flags |= NFSMNT_ACDIRMAX;
+			break;
+		case OPT_BG:
+			nmdp->nmd_bg++;
+			break;
+		case OPT_FG:
+			nmdp->nmd_bg = 0;
+			break;
+		case OPT_RETRY:
+			if (convert_int(&nmdp->nmd_retries, val) != 0)
+				goto badopt;
+			break;
+		case OPT_LLOCK:
+			args->flags |= NFSMNT_LLOCK;
+			break;
+		case OPT_POSIX:
+			nmdp->nmd_posix = 1;
+			break;
+		case OPT_VERS:
+			if (convert_int(&num, val) != 0)
+				goto badopt;
+			nmdp->nmd_nfsvers = (rpcvers_t)num;
+			break;
+		case OPT_PROTO:
+			if (val == NULL)
+				goto badopt;
+
+			nmdp->nmd_nfs_proto = (char *)malloc(strlen(val)+1);
+			if (!nmdp->nmd_nfs_proto)
+				return (-EINVAL);
+
+			(void) strncpy(nmdp->nmd_nfs_proto, val, strlen(val)+1);
+			break;
+
+		case OPT_NOPRINT:
+			args->flags |= NFSMNT_NOPRINT;
+			break;
+
+		case OPT_LARGEFILES:
+			largefiles = 1;
+			break;
+
+		case OPT_NOLARGEFILES:
+			free(optstr);
+			return (-EINVAL);
+
+		case OPT_SEC:
+			if (val == NULL)
+				return (-EINVAL);
+			/*
+			 * We initialize the nfs_sec struct as if we had the
+			 * basic /etc/nffssec.conf file.
+			 */
+			if (strcmp(val, "none") == 0) {
+				(void) strlcpy(nmdp->nmd_nfs_sec.sc_name,
+				    "none", MAX_NAME_LEN);
+				nmdp->nmd_nfs_sec.sc_nfsnum =
+				    nmdp->nmd_nfs_sec.sc_rpcnum = 0;
+			} else if (strcmp(val, "sys") == 0) {
+				(void) strlcpy(nmdp->nmd_nfs_sec.sc_name,
+				    "sys", MAX_NAME_LEN);
+				nmdp->nmd_nfs_sec.sc_nfsnum =
+				    nmdp->nmd_nfs_sec.sc_rpcnum = 1;
+			} else if (strcmp(val, "dh") == 0) {
+				(void) strlcpy(nmdp->nmd_nfs_sec.sc_name,
+				    "dh", MAX_NAME_LEN);
+				nmdp->nmd_nfs_sec.sc_nfsnum =
+				    nmdp->nmd_nfs_sec.sc_rpcnum = 3;
+			} else {
+				return (-EINVAL);
+			}
+			nmdp->nmd_sec_opt++;
+			break;
+
+		case OPT_DIRECTIO:
+			args->flags |= NFSMNT_DIRECTIO;
+			break;
+
+		case OPT_NODIRECTIO:
+			args->flags &= ~(NFSMNT_DIRECTIO);
+			break;
+
+		case OPT_XATTR:
+		case OPT_NOXATTR:
+			/*
+			 * VFS options; just need to get them into the
+			 * new mount option string and note we've seen them
+			 */
+			attrpref = 1;
+			break;
+		default:
+			invalid = 1;
+			break;
+		}
+		if (!invalid) {
+			if (newopts[0])
+				strcat(newopts, ",");
+			strcat(newopts, saveopt);
+		}
+	}
+	/* Default is to turn extended attrs on */
+	if (!attrpref) {
+		if (newopts[0])
+			strcat(newopts, ",");
+		strcat(newopts, MNTOPT_XATTR);
+	}
+	strcpy(mnt->mnt_mntopts, newopts);
+	free(newopts);
+	free(optstr);
+
+	/* ensure that only one secure mode is requested */
+	if (nmdp->nmd_sec_opt > 1)
+		return (-EINVAL);
+
+	/* ensure that the user isn't trying to get large files over V2 */
+	if (nmdp->nmd_nfsvers == NFS_VERSION && largefiles)
+		return (-EINVAL);
+
+	if (nmdp->nmd_nfsvers == NFS_V4 && nmdp->nmd_nfs_proto != NULL &&
+	    strncasecmp(nmdp->nmd_nfs_proto, NC_UDP, strlen(NC_UDP)) == 0)
+		return (-EINVAL);
+
+	return (0);
+
+badopt:
+	free(optstr);
+	return (-EINVAL);
+}
+
+/*
+ *  NFS project private API.
+ *
+ *  Free an sec_data structure.
+ *  Free the parts that nfs_clnt_secdata allocates.
+ */
+void
+nfs_free_secdata(sec_data_t *secdata)
+{
+	dh_k4_clntdata_t *dkdata;
+
+	if (!secdata)
+		return;
+
+	switch (secdata->rpcflavor) {
+		case AUTH_UNIX:
+		case AUTH_NONE:
+			break;
+
+		case AUTH_DES:
+			/* LINTED pointer alignment */
+			dkdata = (dh_k4_clntdata_t *)secdata->data;
+			if (dkdata) {
+				if (dkdata->netname)
+					free(dkdata->netname);
+				if (dkdata->syncaddr.buf)
+					free(dkdata->syncaddr.buf);
+				free(dkdata);
+			}
+			break;
+
+		default:
+			break;
+	}
+
+	free(secdata);
+}
+
+/*
+ *  Make an client side sec_data structure and fill in appropriate value
+ *  based on its rpc security flavor.
+ *
+ *  It is caller's responsibility to allocate space for seconfig_t,
+ *  and this routine will allocate space for the sec_data structure
+ *  and related data field.
+ *
+ *  Return the sec_data_t on success.
+ *  If fail, return NULL pointer.
+ */
+sec_data_t *
+nfs_clnt_secdata(seconfig_t *secp, char *hostname, struct knetconfig *knconf,
+    struct netbuf *syncaddr, int flags)
+{
+	char netname[MAXNETNAMELEN+1];
+	sec_data_t *secdata;
+	dh_k4_clntdata_t *dkdata;
+
+	secdata = malloc(sizeof (sec_data_t));
+	if (!secdata)
+		return (NULL);
+
+	(void) memset(secdata, 0, sizeof (sec_data_t));
+
+	secdata->secmod = secp->sc_nfsnum;
+	secdata->rpcflavor = secp->sc_rpcnum;
+	secdata->uid = secp->sc_uid;
+	secdata->flags = flags;
+
+	/*
+	 *  Now, fill in the information for client side secdata :
+	 *
+	 *  For AUTH_UNIX, AUTH_DES
+	 *  hostname can be in the form of
+	 *    nodename or
+	 *    nodename.domain
+	 */
+	switch (secp->sc_rpcnum) {
+		case AUTH_UNIX:
+		case AUTH_NONE:
+			secdata->data = NULL;
+			break;
+
+		case AUTH_DES:
+			if (!host2netname(netname, hostname, NULL))
+				goto err_out;
+
+			dkdata = malloc(sizeof (dh_k4_clntdata_t));
+			if (!dkdata)
+				goto err_out;
+
+			(void) memset((char *)dkdata, 0,
+			    sizeof (dh_k4_clntdata_t));
+			if ((dkdata->netname = strdup(netname)) == NULL)
+				goto err_out;
+
+			dkdata->netnamelen = strlen(netname);
+			dkdata->knconf = knconf;
+			dkdata->syncaddr = *syncaddr;
+			dkdata->syncaddr.buf = malloc(syncaddr->len);
+			if (dkdata->syncaddr.buf == NULL)
+				goto err_out;
+
+			(void) memcpy(dkdata->syncaddr.buf, syncaddr->buf,
+			    syncaddr->len);
+			secdata->data = (caddr_t)dkdata;
+			break;
+
+		default:
+			goto err_out;
+	}
+
+	return (secdata);
+
+err_out:
+	free(secdata);
+	return (NULL);
+}
+
+static int
+make_secure(struct nfs_args *args, char *hostname, struct netconfig *nconf,
+    rpcvers_t vers, nfs_mnt_data_t *nmdp)
+{
+	sec_data_t *secdata;
+	int flags;
+	struct netbuf *syncaddr = NULL;
+	struct nd_addrlist *retaddrs = NULL;
+	char netname[MAXNETNAMELEN+1];
+
+	/*
+	 * check to see if any secure mode is requested.
+	 * if not, use default security mode.
+	 */
+	if (!nmdp->nmd_sec_opt) {
+		/* AUTH_UNIX is the default. */
+		strlcpy(nmdp->nmd_nfs_sec.sc_name, "sys", MAX_NAME_LEN);
+		nmdp->nmd_nfs_sec.sc_nfsnum = 1;
+		args->flags |= NFSMNT_SECDEFAULT;
+	}
+
+	/*
+	 * Get the network address for the time service on the server.
+	 * If an RPC based time service is not available then try the
+	 * IP time service.
+	 *
+	 * This is for AUTH_DH processing. We will also pass down syncaddr
+	 * and netname for NFS V4 even if AUTH_DH is not requested right now.
+	 * NFS V4 does security negotiation in the kernel via SECINFO.
+	 * This information might be needed later in the kernel.
+	 */
+	flags = 0;
+	syncaddr = NULL;
+
+	if (nmdp->nmd_nfs_sec.sc_rpcnum == AUTH_DH || vers == NFS_V4) {
+		/*
+		 * If using nfsv4, we will not contact the remote RPCBINDer,
+		 * since it is possibly behind a firewall.
+		 */
+		if (vers != NFS_V4)
+			syncaddr = get_the_addr(hostname, RPCBPROG, RPCBVERS,
+			    nconf, 0, NULL, NULL, NULL, NULL);
+
+		if (syncaddr != NULL) {
+			/* for flags in sec_data */
+			flags |= AUTH_F_RPCTIMESYNC;
+		} else {
+			/*
+			 * TBD netdir_getbyname wants to lookup the timeserver
+			 * entry in the /etc/services file (but our libnsl to do
+			 * this won't work in Linux). That entry is:
+			 *	timed    525/udp    timeserver
+			 * Since we haven't implemented the emulation for
+			 * netdir_getbyname yet, we'll simply return an error.
+			 */
+			struct nd_hostserv hs;
+			int error;
+
+			hs.h_host = hostname;
+			hs.h_serv = "timserver";
+
+			/* XXX */
+			if (1)
+				return (-1);
+
+			error = netdir_getbyname(nconf, &hs, &retaddrs);
+
+			if (error != ND_OK &&
+			    (nmdp->nmd_nfs_sec.sc_rpcnum == AUTH_DH))
+				return (-1);
+
+			if (error == ND_OK)
+				syncaddr = retaddrs->n_addrs;
+
+			/*
+			 * For NFS_V4 if AUTH_DH is negotiated later in the
+			 * kernel thru SECINFO, it will need syncaddr
+			 * and netname data.
+			 */
+			if (vers == NFS_V4 && syncaddr &&
+			    host2netname(netname, hostname, NULL)) {
+				args->syncaddr = malloc(sizeof (struct netbuf));
+				args->syncaddr->buf = malloc(syncaddr->len);
+				(void) memcpy(args->syncaddr->buf,
+				    syncaddr->buf, syncaddr->len);
+				args->syncaddr->len = syncaddr->len;
+				args->syncaddr->maxlen = syncaddr->maxlen;
+				args->netname = strdup(netname);
+				args->flags |= NFSMNT_SECURE;
+			}
+		}
+	}
+
+	/*
+	 * For the initial chosen flavor (any flavor defined in nfssec.conf),
+	 * the data will be stored in the sec_data structure via
+	 * nfs_clnt_secdata() and be passed to the kernel via nfs_args_*
+	 * extended data structure.
+	 */
+	if (!(secdata = nfs_clnt_secdata(&nmdp->nmd_nfs_sec, hostname,
+	    args->knconf, syncaddr, flags))) {
+		if (flags & AUTH_F_RPCTIMESYNC) {
+			free(syncaddr->buf);
+			free(syncaddr);
+		} else if (retaddrs)
+			netdir_free((void *)retaddrs, ND_ADDRLIST);
+		return (-1);
+	}
+
+	NFS_ARGS_EXTB_secdata(args, secdata);
+	if (flags & AUTH_F_RPCTIMESYNC) {
+		free(syncaddr->buf);
+		free(syncaddr);
+	} else if (retaddrs)
+		netdir_free((void *)retaddrs, ND_ADDRLIST);
+	return (0);
+}
+
+/*
+ * Get the network address on "hostname" for program "prog"
+ * with version "vers" by using the nconf configuration data
+ * passed in.
+ *
+ * If the address of a netconfig pointer is null then
+ * information is not sufficient and no netbuf will be returned.
+ *
+ * Finally, ping the null procedure of that service.
+ *
+ * A similar routine is also defined in ../../autofs/autod_nfs.c.
+ * This is a potential routine to move to ../lib for common usage.
+ */
+static struct netbuf *
+get_the_addr(char *hostname, rpcprog_t prog, rpcvers_t vers,
+	struct netconfig *nconf, ushort_t port, struct t_info *tinfo,
+	caddr_t *fhp, char *fspath, err_ret_t *error)
+{
+	struct netbuf *nb = NULL;
+	struct t_bind *tbind = NULL;
+	CLIENT *cl = NULL;
+	int fd = -1;
+	AUTH *ah = NULL;
+	AUTH *new_ah = NULL;
+	struct rpc_err r_err;
+	enum clnt_stat rc;
+
+	if (nconf == NULL)
+		return (NULL);
+
+	if ((fd = t_open(nconf->nc_device, O_RDWR, tinfo)) == -1)
+		goto done;
+
+	/* LINTED pointer alignment */
+	if ((tbind = (struct t_bind *)t_alloc(fd, T_BIND, T_ADDR)) == NULL)
+		goto done;
+
+	if (vers == NFS_V4) {
+		/* SET_ERR_RET(error, ERR_NOHOST, 1); */
+		goto done;
+	}
+
+	if (rpcb_getaddr(prog, vers, nconf, &tbind->addr,
+	    hostname) == FALSE) {
+		goto done;
+	}
+
+	if (port) {
+		/* LINTED pointer alignment */
+		if (strcmp(nconf->nc_protofmly, NC_INET) == 0)
+			((struct sockaddr_in *)tbind->addr.buf)->sin_port
+			    = port;
+		else if (strcmp(nconf->nc_protofmly, NC_INET6) == 0)
+			((struct sockaddr_in6 *)tbind->addr.buf)->sin6_port
+			    = port;
+
+	}
+
+	cl = clnt_tli_create(fd, nconf, &tbind->addr, prog, vers, 0, 0);
+	if (cl == NULL) {
+		/*
+		 * clnt_tli_create() returns either RPC_SYSTEMERROR,
+		 * RPC_UNKNOWNPROTO or RPC_TLIERROR. The RPC_TLIERROR translates
+		 * to "Misc. TLI error". This is not too helpful. Most likely
+		 * the connection to the remote server timed out, so this
+		 * error is at least less perplexing.
+		 * See: usr/src/cmd/rpcinfo/rpcinfo.c
+		 */
+		if (rpc_createerr.cf_stat == RPC_TLIERROR) {
+			SET_ERR_RET(error, ERR_RPCERROR, RPC_PMAPFAILURE);
+		} else {
+			SET_ERR_RET(error, ERR_RPCERROR, rpc_createerr.cf_stat);
+		}
+		goto done;
+	}
+
+	ah = authsys_create_default();
+	if (ah != NULL)
+		cl->cl_auth = ah;
+
+	/*
+	 * NULL procedures need not have an argument or
+	 * result param.
+	 */
+	if (vers == NFS_VERSION)
+		rc = wnlproc_null_2(NULL, NULL, cl);
+	else if (vers == NFS_V3)
+		rc = wnlproc3_null_3(NULL, NULL, cl);
+	else
+		rc = wnlproc4_null_4(NULL, NULL, cl);
+
+	if (rc != RPC_SUCCESS) {
+		clnt_geterr(cl, &r_err);
+		if (strcmp(nconf->nc_protofmly, NC_LOOPBACK) == 0) {
+			switch (r_err.re_status) {
+			case RPC_TLIERROR:
+			case RPC_CANTRECV:
+			case RPC_CANTSEND:
+				r_err.re_status = RPC_PROGVERSMISMATCH;
+				break;
+			default:
+				break;
+			}
+		}
+		SET_ERR_RET(error, ERR_RPCERROR, r_err.re_status);
+		goto done;
+	}
+
+	/*
+	 * Make a copy of the netbuf to return
+	 */
+	nb = (struct netbuf *)malloc(sizeof (*nb));
+	if (nb == NULL)
+		goto done;
+
+	*nb = tbind->addr;
+	nb->buf = (char *)malloc(nb->maxlen);
+	if (nb->buf == NULL) {
+		free(nb);
+		nb = NULL;
+		goto done;
+	}
+	(void) memcpy(nb->buf, tbind->addr.buf, tbind->addr.len);
+
+done:
+	if (cl) {
+		if (ah != NULL) {
+			if (new_ah != NULL)
+				AUTH_DESTROY(ah);
+			AUTH_DESTROY(cl->cl_auth);
+			cl->cl_auth = NULL;
+		}
+		clnt_destroy(cl);
+		cl = NULL;
+	}
+	if (tbind) {
+		t_free((char *)tbind, T_BIND);
+		tbind = NULL;
+	}
+	if (fd >= 0)
+		(void) t_close(fd);
+	return (nb);
+}
+
+static int
+check_nconf(struct netconfig *nconf, int nthtry, int *valid_proto)
+{
+	int	try_test = 0;
+	char	*proto = NULL;
+
+	if (nthtry == FIRST_TRY) {
+		try_test = ((nconf->nc_semantics == NC_TPI_COTS_ORD) ||
+		    (nconf->nc_semantics == NC_TPI_COTS));
+		proto = NC_TCP;
+	} else if (nthtry == SECOND_TRY) {
+		try_test = (nconf->nc_semantics == NC_TPI_CLTS);
+		proto = NC_UDP;
+	}
+
+	if (proto &&
+	    (strcmp(nconf->nc_protofmly, NC_INET) == 0 ||
+	    strcmp(nconf->nc_protofmly, NC_INET6) == 0) &&
+	    (strcmp(nconf->nc_proto, proto) == 0))
+		*valid_proto = TRUE;
+	else
+		*valid_proto = FALSE;
+
+	return (try_test);
+}
+
+static struct netconfig *
+netconfig_dup(struct netconfig *netconfigp)
+{
+	struct netconfig *nconf;
+
+	nconf = calloc(1, sizeof (struct netconfig));
+	if (nconf == NULL)
+		goto nomem;
+
+	if ((nconf->nc_netid = strdup(netconfigp->nc_netid)) == NULL)
+		goto nomem;
+
+	if ((nconf->nc_protofmly = strdup(netconfigp->nc_protofmly)) == NULL)
+		goto nomem;
+
+	if ((nconf->nc_proto = strdup(netconfigp->nc_proto)) == NULL)
+		goto nomem;
+
+	if ((nconf->nc_device = strdup(netconfigp->nc_device)) == NULL)
+		goto nomem;
+
+	nconf->nc_lookups = NULL;
+	nconf->nc_nlookups = netconfigp->nc_nlookups;
+	nconf->nc_flag = netconfigp->nc_flag;
+	nconf->nc_semantics = netconfigp->nc_semantics;
+	return (nconf);
+
+nomem:
+	if (nconf != NULL) {
+		free(nconf->nc_netid);
+		free(nconf->nc_protofmly);
+		free(nconf->nc_proto);
+		free(nconf->nc_device);
+		free(nconf);
+	}
+	return (NULL);
+}
+
+/*
+ * Get a network address on "hostname" for program "prog"
+ * with version "vers".  If the port number is specified (non zero)
+ * then try for a TCP/UDP transport and set the port number of the
+ * resulting IP address.
+ *
+ * If the address of a netconfig pointer was passed and
+ * if it's not null, use it as the netconfig otherwise
+ * assign the address of the netconfig that was used to
+ * establish contact with the service.
+ *
+ * "error" refers to a more descriptive term when get_addr fails
+ * and returns NULL: ERR_PROTO_NONE if no error introduced by
+ * -o proto option, ERR_NETPATH if error found in NETPATH
+ * environment variable, ERR_PROTO_INVALID if an unrecognized
+ * protocol is specified by user, and ERR_PROTO_UNSUPP for a
+ * recognized but invalid protocol (eg. ticlts, ticots, etc.).
+ * "error" is ignored if get_addr returns non-NULL result.
+ *
+ */
+static struct netbuf *
+get_addr(char *hostname, rpcprog_t prog, rpcvers_t vers,
+    struct netconfig **nconfp, char *proto, ushort_t port,
+    struct t_info *tinfo, caddr_t *fhp, char *fspath, err_ret_t *error)
+{
+	struct netbuf *nb = NULL;
+	struct netconfig *nconf = NULL;
+	int nci;
+	int nthtry = FIRST_TRY;
+	err_ret_t errsave_nohost, errsave_rpcerr;
+
+	SET_ERR_RET(&errsave_nohost, ERR_PROTO_NONE, 0);
+	SET_ERR_RET(&errsave_rpcerr, ERR_PROTO_NONE, 0);
+
+	SET_ERR_RET(error, ERR_PROTO_NONE, 0);
+
+	if (nconfp && *nconfp)
+		return (get_the_addr(hostname, prog, vers, *nconfp, port,
+		    tinfo, fhp, fspath, error));
+	/*
+	 * No nconf passed in.
+	 *
+	 * First search for COTS, second for CLTS unless proto
+	 * is specified.  When we retry, we reset the
+	 * netconfig list so that we would search the whole list
+	 * all over again.
+	 */
+
+	/*
+	 * If proto is specified, then only search for the match,
+	 * otherwise try COTS first, if failed, try CLTS.
+	 */
+	if (proto) {
+		/* no matching proto name */
+		SET_ERR_RET(error, ERR_PROTO_INVALID, 0);
+
+		for (nci = 0; nci < N_NETCONF_ENTS; nci++) {
+			nconf = &nca[nci];
+			if (strcmp(nconf->nc_netid, proto) != 0)
+				continue;
+
+			/* may be unsupported */
+			SET_ERR_RET(error, ERR_PROTO_UNSUPP, 0);
+
+			nb = get_the_addr(hostname, prog, vers, nconf, port,
+			    tinfo, fhp, fspath, error);
+			if (nb != NULL)
+				break;
+
+			/* nb is NULL - deal with errors */
+			if (error) {
+				if (error->error_type == ERR_NOHOST)
+					SET_ERR_RET(&errsave_nohost,
+					    error->error_type,
+					    error->error_value);
+				if (error->error_type == ERR_RPCERROR)
+					SET_ERR_RET(&errsave_rpcerr,
+					    error->error_type,
+					    error->error_value);
+			}
+
+			/* continue with same protocol selection */
+			continue;
+		} /* end of while */
+
+		if (nci >= N_NETCONF_ENTS)
+			goto done;
+
+		if (nb == NULL &&
+		    (nb = get_the_addr(hostname, prog, vers, nconf, port,
+		    tinfo, fhp, fspath, error)) == NULL)
+			goto done;
+	} else {
+retry:
+		SET_ERR_RET(error, ERR_NETPATH, 0);
+		for (nci = 0; nci < N_NETCONF_ENTS; nci++) {
+			int	valid_proto;
+
+			nconf = &nca[nci];
+			SET_ERR_RET(error, ERR_PROTO_NONE, 0);
+
+			if (check_nconf(nconf, nthtry, &valid_proto)) {
+				if (port != 0 && valid_proto != TRUE)
+					continue;
+
+				nb = get_the_addr(hostname, prog, vers, nconf,
+				    port, tinfo, fhp, fspath, error);
+				if (nb != NULL)
+					break;
+
+				/* nb is NULL - deal with errors */
+				if (error) {
+					if (error->error_type == ERR_NOHOST)
+						SET_ERR_RET(&errsave_nohost,
+						    error->error_type,
+						    error->error_value);
+
+					if (error->error_type == ERR_RPCERROR)
+						SET_ERR_RET(&errsave_rpcerr,
+						    error->error_type,
+						    error->error_value);
+				}
+
+				/*
+				 * Continue the same search path in the
+				 * netconfig db until no more matched
+				 * nconf.
+				 */
+			}
+		}
+
+		if (nci >= N_NETCONF_ENTS) {
+			if (++nthtry <= MNT_PREF_LISTLEN)
+				goto retry;
+			goto done;
+		}
+
+	}
+	SET_ERR_RET(error, ERR_PROTO_NONE, 0);
+
+	/*
+	 * Got nconf and nb. Now dup the netconfig structure
+	 * and return it thru nconfp.
+	 */
+	*nconfp = netconfig_dup(nconf);
+	if (*nconfp == NULL) {
+		free(nb);
+		nb = NULL;
+	}
+done:
+	if (nb == NULL) {
+		/*
+		 * Check the saved errors. The RPC error has *
+		 * precedence over the no host error.
+		 */
+		if (errsave_nohost.error_type != ERR_PROTO_NONE)
+			SET_ERR_RET(error, errsave_nohost.error_type,
+			    errsave_nohost.error_value);
+
+		if (errsave_rpcerr.error_type != ERR_PROTO_NONE)
+			SET_ERR_RET(error, errsave_rpcerr.error_type,
+			    errsave_rpcerr.error_value);
+	}
+
+	return (nb);
+}
+
+static int
+lx_nsl_set_sz_func()
+{
+	return (N_NETCONF_ENTS);
+}
+
+static struct netconfig *
+lx_get_ent_func(int pos)
+{
+	struct netconfig *nconf;
+
+	if (pos < 0 || pos >= N_NETCONF_ENTS)
+		return (NULL);
+
+	nconf = &nca[pos];
+	return (nconf);
+}
+
+/*
+ * get fhandle of remote path from server's mountd
+ */
+static int
+get_fh(struct nfs_args *args, char *fshost, char *fspath, int *versp,
+    struct netconfig **nconfp, ushort_t port, nfs_mnt_data_t *nmdp)
+{
+	struct fhstatus fhs;
+	struct mountres3 mountres3;
+	struct pathcnf p;
+	nfs_fh3 *fh3p;
+	struct timeval timeout = { 25, 0};
+	CLIENT *cl;
+	enum clnt_stat rpc_stat;
+	rpcvers_t outvers = 0;
+	rpcvers_t vers_to_try;
+	rpcvers_t vers_min = vers_min_default;
+	int count, i, *auths;
+
+	bzero(&fhs, sizeof (fhs));
+	bzero(&mountres3, sizeof (mountres3));
+	bzero(&p, sizeof (p));
+
+	switch (nmdp->nmd_nfsvers) {
+	case 2: /* version 2 specified try that only */
+		vers_to_try = MOUNTVERS_POSIX;
+		vers_min = MOUNTVERS;
+		break;
+	case 3: /* version 3 specified try that only */
+		vers_to_try = MOUNTVERS3;
+		vers_min = MOUNTVERS3;
+		break;
+	case 4: /* version 4 specified try that only */
+		/*
+		 * This assignment is in the wrong version sequence.
+		 * The above are MOUNT program and this is NFS
+		 * program.  However, it happens to work out since the
+		 * two don't collide for NFSv4.
+		 */
+		vers_to_try = NFS_V4;
+		vers_min = NFS_V4;
+		break;
+	default: /* no version specified, start with default */
+		/*
+		 * If the retry version is set, use that. This will
+		 * be set if the last mount attempt returned any other
+		 * besides an RPC error.
+		 */
+		if (nmdp->nmd_nfsretry_vers)
+			vers_to_try = nmdp->nmd_nfsretry_vers;
+		else {
+			vers_to_try = vers_max_default;
+			vers_min = vers_min_default;
+		}
+
+		break;
+	}
+
+	/*
+	 * In the case of version 4, just NULL proc the server since
+	 * there is no MOUNT program.  If this fails, then decrease
+	 * vers_to_try and continue on with regular MOUNT program
+	 * processing.
+	 */
+	if (vers_to_try == NFS_V4) {
+		int savevers = nmdp->nmd_nfsvers_to_use;
+		err_ret_t error;
+		int retval;
+		SET_ERR_RET(&error, ERR_PROTO_NONE, 0);
+
+		/* Let's hope for the best */
+		nmdp->nmd_nfsvers_to_use = NFS_V4;
+		retval = getaddr_nfs(args, fshost, nconfp,
+		    fspath, port, &error, vers_min == NFS_V4, nmdp);
+
+		if (retval == RET_OK) {
+			*versp = nmdp->nmd_nfsvers_to_use = NFS_V4;
+			nmdp->nmd_fstype = MNTTYPE_NFS4;
+			args->fh = strdup(fspath);
+			if (args->fh == NULL) {
+				*versp = nmdp->nmd_nfsvers_to_use = savevers;
+				return (RET_ERR);
+			}
+			return (RET_OK);
+		}
+		nmdp->nmd_nfsvers_to_use = savevers;
+
+		vers_to_try--;
+		/* If no more versions to try, let the user know. */
+		if (vers_to_try < vers_min)
+			return (retval);
+
+		/*
+		 * If we are here, there are more versions to try but
+		 * there has been an error of some sort.  If it is not
+		 * an RPC error (e.g. host unknown), we just stop and
+		 * return the error since the other versions would see
+		 * the same error as well.
+		 */
+		if (retval == RET_ERR && error.error_type != ERR_RPCERROR)
+			return (retval);
+	}
+
+	while ((cl = clnt_create_vers(fshost, MOUNTPROG, &outvers,
+	    vers_min, vers_to_try, NULL)) == NULL) {
+		if (rpc_createerr.cf_stat == RPC_UNKNOWNHOST)
+			return (RET_ERR);
+
+		/*
+		 * We don't want to downgrade version on lost packets
+		 */
+		if ((rpc_createerr.cf_stat == RPC_TIMEDOUT) ||
+		    (rpc_createerr.cf_stat == RPC_PMAPFAILURE))
+			return (RET_RETRY);
+
+		/*
+		 * back off and try the previous version - patch to the
+		 * problem of version numbers not being contigous and
+		 * clnt_create_vers failing (SunOS4.1 clients & SGI servers)
+		 * The problem happens with most non-Sun servers who
+		 * don't support mountd protocol #2. So, in case the
+		 * call fails, we re-try the call anyway.
+		 */
+		vers_to_try--;
+		if (vers_to_try < vers_min) {
+			if (rpc_createerr.cf_stat == RPC_PROGVERSMISMATCH)
+				return (RET_ERR);
+
+			return (RET_RETRY);
+		}
+	}
+	if (nmdp->nmd_posix && outvers < MOUNTVERS_POSIX) {
+		clnt_destroy(cl);
+		return (RET_ERR);
+	}
+
+	if (__clnt_bindresvport(cl) < 0) {
+		clnt_destroy(cl);
+		return (RET_RETRY);
+	}
+
+	if ((cl->cl_auth = authsys_create_default()) == NULL) {
+		clnt_destroy(cl);
+		return (RET_RETRY);
+	}
+
+	switch (outvers) {
+	case MOUNTVERS:
+	case MOUNTVERS_POSIX:
+		*versp = nmdp->nmd_nfsvers_to_use = NFS_VERSION;
+		rpc_stat = clnt_call(cl, MOUNTPROC_MNT, xdr_dirpath,
+		    (caddr_t)&fspath, xdr_fhstatus, (caddr_t)&fhs, timeout);
+		if (rpc_stat != RPC_SUCCESS) {
+			log_err("%s:%s: server not responding %s\n",
+			    fshost, fspath, clnt_sperror(cl, ""));
+			clnt_destroy(cl);
+			return (RET_RETRY);
+		}
+
+		if ((errno = fhs.fhs_status) != MNT_OK) {
+			clnt_destroy(cl);
+			return (RET_MNTERR);
+		}
+		args->fh = malloc(sizeof (fhs.fhstatus_u.fhs_fhandle));
+		if (args->fh == NULL)
+			return (RET_ERR);
+
+		memcpy((caddr_t)args->fh, (caddr_t)&fhs.fhstatus_u.fhs_fhandle,
+		    sizeof (fhs.fhstatus_u.fhs_fhandle));
+		if (!errno && nmdp->nmd_posix) {
+			rpc_stat = clnt_call(cl, MOUNTPROC_PATHCONF,
+			    xdr_dirpath, (caddr_t)&fspath, xdr_ppathcnf,
+			    (caddr_t)&p, timeout);
+			if (rpc_stat != RPC_SUCCESS) {
+				log_err("%s:%s: server not responding %s\n",
+				    fshost, fspath, clnt_sperror(cl, ""));
+				free(args->fh);
+				clnt_destroy(cl);
+				return (RET_RETRY);
+			}
+			if (_PC_ISSET(_PC_ERROR, p.pc_mask)) {
+				free(args->fh);
+				clnt_destroy(cl);
+				return (RET_ERR);
+			}
+			args->flags |= NFSMNT_POSIX;
+			args->pathconf = malloc(sizeof (p));
+			if (args->pathconf == NULL) {
+				free(args->fh);
+				clnt_destroy(cl);
+				return (RET_ERR);
+			}
+			memcpy((caddr_t)args->pathconf, (caddr_t)&p,
+			    sizeof (p));
+		}
+		break;
+
+	case MOUNTVERS3:
+		*versp = nmdp->nmd_nfsvers_to_use = NFS_V3;
+		rpc_stat = clnt_call(cl, MOUNTPROC_MNT, xdr_dirpath,
+		    (caddr_t)&fspath, xdr_mountres3, (caddr_t)&mountres3,
+		    timeout);
+		if (rpc_stat != RPC_SUCCESS) {
+			log_err("%s:%s: server not responding %s\n",
+			    fshost, fspath, clnt_sperror(cl, ""));
+			clnt_destroy(cl);
+			return (RET_RETRY);
+		}
+
+		/*
+		 * Assume here that most of the MNT3ERR_*
+		 * codes map into E* errors.
+		 */
+		if ((errno = mountres3.fhs_status) != MNT_OK) {
+			clnt_destroy(cl);
+			return (RET_MNTERR);
+		}
+
+		fh3p = (nfs_fh3 *)malloc(sizeof (*fh3p));
+		if (fh3p == NULL)
+			return (RET_ERR);
+
+		fh3p->fh3_length =
+		    mountres3.mountres3_u.mountinfo.fhandle.fhandle3_len;
+		(void) memcpy(fh3p->fh3_u.data,
+		    mountres3.mountres3_u.mountinfo.fhandle.fhandle3_val,
+		    fh3p->fh3_length);
+		args->fh = (caddr_t)fh3p;
+		nmdp->nmd_fstype = MNTTYPE_NFS3;
+
+		/*
+		 * Check the security flavor to be used.
+		 *
+		 * If "secure" or "sec=flavor" is a mount
+		 * option, check if the server supports the "flavor".
+		 * If the server does not support the flavor, return
+		 * error.
+		 *
+		 * If no mount option is given then look for default auth
+		 * (default auth entry in /etc/nfssec.conf) in the auth list
+		 * returned from server. If default auth not found, then use
+		 * the first supported security flavor (by the client) in the
+		 * auth list returned from the server.
+		 *
+		 */
+		auths =
+		    mountres3.mountres3_u.mountinfo.auth_flavors
+		    .auth_flavors_val;
+		count =
+		    mountres3.mountres3_u.mountinfo.auth_flavors
+		    .auth_flavors_len;
+
+		if (count <= 0) {
+			clnt_destroy(cl);
+			return (RET_ERR);
+		}
+
+		if (nmdp->nmd_sec_opt) {
+			for (i = 0; i < count; i++) {
+				if (auths[i] == nmdp->nmd_nfs_sec.sc_nfsnum)
+					break;
+			}
+			if (i == count)
+				goto autherr;
+		} else {
+			/* AUTH_UNIX is the default. */
+			strlcpy(nmdp->nmd_nfs_sec.sc_name, "sys", MAX_NAME_LEN);
+			nmdp->nmd_nfs_sec.sc_nfsnum = 1;
+		}
+		break;
+	default:
+		clnt_destroy(cl);
+		return (RET_ERR);
+	}
+
+	clnt_destroy(cl);
+	return (RET_OK);
+
+autherr:
+	clnt_destroy(cl);
+	return (RET_ERR);
+}
+
+/*
+ * Fill in the address for the server's NFS service and
+ * fill in a knetconfig structure for the transport that
+ * the service is available on.
+ */
+static int
+getaddr_nfs(struct nfs_args *args, char *fshost, struct netconfig **nconfp,
+    char *fspath, ushort_t port, err_ret_t *error, bool_t print_rpcerror,
+    nfs_mnt_data_t *nmdp)
+{
+	struct stat sb;
+	struct netconfig *nconf;
+	struct knetconfig *knconfp;
+	struct t_info tinfo;
+	err_ret_t addr_error;
+
+	SET_ERR_RET(error, ERR_PROTO_NONE, 0);
+	SET_ERR_RET(&addr_error, ERR_PROTO_NONE, 0);
+
+	args->addr = get_addr(fshost, NFS_PROGRAM, nmdp->nmd_nfsvers_to_use,
+	    nconfp, nmdp->nmd_nfs_proto, port, &tinfo, &args->fh, fspath,
+	    &addr_error);
+
+	if (args->addr == NULL) {
+		switch (addr_error.error_type) {
+		case 0:
+			break;
+		case ERR_RPCERROR:
+			if (!print_rpcerror)
+				/* no error print at this time */
+				break;
+			log_err("%s NFS service not available %s\n", fshost,
+			    clnt_sperrno(addr_error.error_value));
+			break;
+		case ERR_NETPATH:
+			log_err("%s: Error in NETPATH.\n", fshost);
+			break;
+		case ERR_PROTO_INVALID:
+			log_err("%s: NFS service does not recognize "
+			    "protocol: %s.\n", fshost, nmdp->nmd_nfs_proto);
+			break;
+		case ERR_PROTO_UNSUPP:
+			if (nmdp->nmd_nfsvers ||
+			    nmdp->nmd_nfsvers_to_use == NFS_VERSMIN) {
+				log_err("%s: NFS service does"
+				    " not support protocol: %s.\n",
+				    fshost, nmdp->nmd_nfs_proto);
+			}
+			break;
+		case ERR_NOHOST:
+			log_err("%s: %s\n", fshost, "Unknown host");
+			break;
+		default:
+			/* case ERR_PROTO_NONE falls through */
+			log_err("%s: NFS service not responding\n", fshost);
+			break;
+		}
+
+		SET_ERR_RET(error,
+		    addr_error.error_type, addr_error.error_value);
+		if (addr_error.error_type == ERR_PROTO_NONE)
+			return (RET_RETRY);
+		else if (addr_error.error_type == ERR_RPCERROR &&
+		    !IS_UNRECOVERABLE_RPC(addr_error.error_value)) {
+			return (RET_RETRY);
+		} else if (nmdp->nmd_nfsvers == 0 &&
+		    addr_error.error_type == ERR_PROTO_UNSUPP &&
+		    nmdp->nmd_nfsvers_to_use != NFS_VERSMIN) {
+			/*
+			 * If no version is specified, and the error is due
+			 * to an unsupported transport, then decrement the
+			 * version and retry.
+			 */
+			return (RET_RETRY);
+		} else
+			return (RET_ERR);
+	}
+	nconf = *nconfp;
+
+	if (stat(nconf->nc_device, &sb) < 0)
+		return (RET_ERR);
+
+	knconfp = (struct knetconfig *)malloc(sizeof (*knconfp));
+	if (!knconfp)
+		return (RET_ERR);
+
+	knconfp->knc_semantics = nconf->nc_semantics;
+	knconfp->knc_protofmly = nconf->nc_protofmly;
+	knconfp->knc_proto = nconf->nc_proto;
+	knconfp->knc_rdev = sb.st_rdev;
+
+	/* make sure we don't overload the transport */
+	if (tinfo.tsdu > 0 && tinfo.tsdu < NFS_MAXDATA + NFS_RPC_HDR) {
+		args->flags |= (NFSMNT_RSIZE | NFSMNT_WSIZE);
+		if (args->rsize == 0 || args->rsize > tinfo.tsdu - NFS_RPC_HDR)
+			args->rsize = tinfo.tsdu - NFS_RPC_HDR;
+		if (args->wsize == 0 || args->wsize > tinfo.tsdu - NFS_RPC_HDR)
+			args->wsize = tinfo.tsdu - NFS_RPC_HDR;
+	}
+
+	args->flags |= NFSMNT_KNCONF;
+	args->knconf = knconfp;
+	return (RET_OK);
+}
+
+static int
+retry(struct mnttab *mntp, int mntflags, nfs_mnt_data_t *nmdp)
+{
+	int delay = 5;
+	int count = nmdp->nmd_retries;
+	int r = -EAGAIN;
+	char *p;
+
+	if (nmdp->nmd_bg) {
+		if (fork() > 0)
+			return (0);
+	} else {
+		p = strchr(mntp->mnt_special, ':');
+		if (p != NULL)
+			*p = '\0';
+		log_err("%s: server not responding\n", mntp->mnt_special);
+		if (p != NULL)
+			*p = ':';
+	}
+
+	while (count--) {
+		err_ret_t retry_error;
+
+		if ((r = mount_nfs(mntp, mntflags, &retry_error, nmdp)) == 0)
+			return (0);
+
+		if (r != RET_RETRY)
+			break;
+
+		if (count > 0) {
+			(void) sleep(delay);
+			delay *= 2;
+			if (delay > 120)
+				delay = 120;
+		}
+		p = strchr(mntp->mnt_special, ':');
+		if (p != NULL)
+			*p = '\0';
+		log_err("%s: server not responding\n", mntp->mnt_special);
+		if (p != NULL)
+			*p = ':';
+	}
+
+	if (!nmdp->nmd_nfsretry_vers)
+		log_err("giving up on: %s\n", mntp->mnt_mountp);
+
+	if (r > 0)
+		r = -EAGAIN;
+	return (r);
+}
+
+static int
+append_opt(char *optstr, int len, char *k, char *v)
+{
+	int i;
+
+	for (i = 0; nmo_tab[i].nmo_lx_opt != NULL; i++) {
+		if (strcmp(k, nmo_tab[i].nmo_lx_opt) == 0) {
+			switch (nmo_tab[i].nmo_argtyp) {
+			case MOUNT_OPT_INVALID:
+				return (-EINVAL);
+
+			case MOUNT_OPT_PASTHRU:
+				if (*optstr != '\0')
+					(void) strlcat(optstr, ",", len);
+				if (v == NULL) {
+					(void) strlcat(optstr, k, len);
+				} else {
+					(void) strlcat(optstr, k, len);
+					(void) strlcat(optstr, "=", len);
+					(void) strlcat(optstr, v, len);
+				}
+				break;
+
+			case MOUNT_OPT_IGNORE:
+				break;
+
+			case MOUNT_OPT_TOKEN:
+				if (*optstr != '\0')
+					(void) strlcat(optstr, ",", len);
+				(void) strlcat(optstr,
+				    nmo_tab[i].nmo_il_opt, len);
+				break;
+
+			case MOUNT_OPT_HAS_ARG:
+				if (*optstr != '\0')
+					(void) strlcat(optstr, ",", len);
+				(void) strlcat(optstr,
+				    nmo_tab[i].nmo_il_opt, len);
+				(void) strlcat(optstr, "=", len);
+				(void) strlcat(optstr, v, len);
+				break;
+			}
+			break;
+		}
+	}
+
+	return (0);
+}
+
+static int
+get_nfs_kv(char *vs, char **kp, char **vp)
+{
+	char *p;
+
+	p = strchr(vs, '=');
+	if (p == NULL) {
+		*kp = vs;
+		return (1);
+	}
+
+	*vp = p + 1;
+	*p = '\0';
+	*kp = vs;
+	return (0);
+}
+
+/*
+ * Convert the Linux-specific opt string into an Illumos opt string. We also
+ * fix up the special string (host:/path) to use the address that the
+ * user-level mount code has looked up. This overwrites both the srcp special
+ * string and the mntopts string.
+ *
+ * example input string, given 'nolock' as the only user-level option:
+ *     nolock,vers=4,addr=127.0.0.1,clientaddr=0.0.0.0
+ */
+static int
+convert_nfs_arg_str(char *srcp, char *mntopts)
+{
+	char *key, *val, *p;
+	char tmpbuf[MAX_MNTOPT_STR];
+	char *tbp = tmpbuf;
+
+	(void) strlcpy(tmpbuf, mntopts, sizeof (tmpbuf));
+	*mntopts = '\0';
+
+	while ((p = strsep(&tbp, ",")) != NULL) {
+		int tok;
+
+		tok = get_nfs_kv(p, &key, &val);
+
+		if (tok == 0) {
+			if (strcmp(key, "addr") == 0) {
+				/*
+				 * The Linux user-level code looked up the
+				 * address of the NFS server. We need to
+				 * substitute that into the special string.
+				 */
+				char *pp;
+				char spec[MAXPATHLEN + LX_NMD_MAXHOSTNAMELEN
+				    + 1];
+
+				strlcpy(spec, srcp, sizeof (spec));
+				pp = strchr(spec, ':');
+				if (pp == NULL)
+					return (-EINVAL);
+
+				pp++;
+				(void) snprintf(srcp,
+				    MAXPATHLEN + LX_NMD_MAXHOSTNAMELEN + 1,
+				    "%s:%s", val, pp);
+			} else if (strcmp(key, "clientaddr") == 0) {
+				/*
+				 * Ignore, this is an artifact of the
+				 * user-level lx mount code.
+				 */
+			} else if (strcmp(key, "vers") == 0) {
+				/*
+				 * This should always be passed and is the
+				 * only vers we want to support.
+				 */
+				if (atoi(val) != 4)
+					return (-EINVAL);
+			} else {
+				int r;
+
+				r = append_opt(mntopts, MAX_MNTOPT_STR,
+				    key, val);
+				if (r != 0)
+					return (r);
+			}
+		} else {
+			int r;
+
+			r = append_opt(mntopts, MAX_MNTOPT_STR, key, val);
+			if (r != 0)
+				return (r);
+		}
+	}
+
+	return (0);
+}
+
+int
+lx_nfs_mount(char *srcp, char *mntp, char *fst, int lx_flags, char *opts)
+{
+	struct mnttab mnt;
+	int r;
+	int il_flags = 0;
+	err_ret_t retry_error;
+	nfs_mnt_data_t nmd;
+
+	_nsl_brand_set_hooks(lx_nsl_set_sz_func, lx_get_ent_func);
+
+	bzero(&nmd, sizeof (nmd));
+	nmd.nmd_retries = BIGRETRY;
+	nmd.nmd_fstype = MNTTYPE_NFS;
+
+	/*
+	 * This will modify the special string so that the hostname passed
+	 * in will be replaced with the host address that the user-land code
+	 * looked up. Thus the rest of the code down the mount_nfs path will
+	 * be working with that IP address in places were it references the
+	 * 'hostname'. This also converts the opts string so that we'll be
+	 * dealing with Illumos options after this.
+	 */
+	convert_nfs_arg_str(srcp, opts);
+
+	/* Convert some Linux flags to Illumos flags. */
+	if (lx_flags & LX_MS_RDONLY)
+		il_flags |= MS_RDONLY;
+	if (lx_flags & LX_MS_NOSUID)
+		il_flags |= MS_NOSUID;
+	if (lx_flags & LX_MS_REMOUNT)
+		il_flags |= MS_REMOUNT;
+
+	/*
+	 * Convert some Linux flags to Illumos option strings.
+	 */
+	if (lx_flags & LX_MS_STRICTATIME) {
+		/*
+		 * The "strictatime" mount option ensures that none of the
+		 * weaker atime-related mode options are in effect.
+		 */
+		lx_flags &= ~(LX_MS_RELATIME | LX_MS_NOATIME);
+	}
+	if ((lx_flags & LX_MS_NODEV) &&
+	    ((r = i_add_option("nodev", opts, MAX_MNTOPT_STR)) != 0))
+		return (r);
+	if ((lx_flags & LX_MS_NOEXEC) &&
+	    ((r = i_add_option("noexec", opts, MAX_MNTOPT_STR)) != 0))
+		return (r);
+	if ((lx_flags & LX_MS_NOATIME) &&
+	    ((r = i_add_option("noatime", opts, MAX_MNTOPT_STR)) != 0))
+		return (r);
+
+	mnt.mnt_special = srcp;
+	mnt.mnt_mountp = mntp;
+	mnt.mnt_mntopts = opts;
+
+	SET_ERR_RET(&retry_error, ERR_PROTO_NONE, 0);
+	r = mount_nfs(&mnt, il_flags, &retry_error, &nmd);
+
+	/* A negative errno return means we're done. */
+	if (r < 0)
+		return (r);
+
+	if (r == RET_RETRY && nmd.nmd_retries) {
+		/*
+		 * Check the error code from the last mount attempt. If it was
+		 * an RPC error, then retry as is. Otherwise we retry with the
+		 * nmd_nfsretry_vers set. It is set by decrementing
+		 * nmd_nfsvers_to_use.
+		 */
+		if (retry_error.error_type) {
+			if (retry_error.error_type != ERR_RPCERROR) {
+				nmd.nmd_nfsretry_vers =
+				    nmd.nmd_nfsvers_to_use =
+				    nmd.nmd_nfsvers_to_use - 1;
+				if (nmd.nmd_nfsretry_vers < NFS_VERSMIN)
+					return (-EAGAIN);
+			}
+		}
+
+		r = retry(&mnt, il_flags, &nmd);
+	}
+
+	/* Convert any positve error into a valid errno. */
+	if (r > 0)
+		return (-EAGAIN);
+
+	return (0);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/pgrp.c b/usr/src/lib/brand/lx/lx_brand/common/pgrp.c
new file mode 100644
index 0000000000..33b4bb7667
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/pgrp.c
@@ -0,0 +1,172 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_syscall.h>
+
+long
+lx_getpgrp(void)
+{
+	int ret;
+
+	ret = getpgrp();
+
+	/*
+	 * If the pgrp is that of the init process, return the value Linux
+	 * expects.
+	 */
+	if (ret == zoneinit_pid)
+		return (LX_INIT_PGID);
+
+	return ((ret == -1) ? -errno : ret);
+}
+
+long
+lx_getpgid(uintptr_t p1)
+{
+	pid_t spid;
+	int pid = (int)p1;
+	int ret;
+
+	if (pid < 0)
+		return (-ESRCH);
+
+	/*
+	 * If the supplied pid matches that of the init process, return
+	 * the pgid Linux expects.
+	 */
+	if (pid == zoneinit_pid)
+		return (LX_INIT_PGID);
+
+	if ((ret = lx_lpid_to_spid(pid, &spid)) < 0)
+		return (ret);
+
+	ret = getpgid(spid);
+
+	/*
+	 * If the pgid is that of the init process, return the value Linux
+	 * expects.
+	 */
+	if (ret == zoneinit_pid)
+		return (LX_INIT_PGID);
+
+	return ((ret == -1) ? -errno : ret);
+}
+
+long
+lx_setpgid(uintptr_t p1, uintptr_t p2)
+{
+	pid_t pid = (pid_t)p1;
+	pid_t pgid = (pid_t)p2;
+	pid_t spid, spgid;
+	int ret;
+
+	if (pid < 0)
+		return (-ESRCH);
+
+	if (pgid < 0)
+		return (-EINVAL);
+
+	if ((ret = lx_lpid_to_spid(pid, &spid)) < 0)
+		return (ret);
+
+	if (pgid == 0)
+		spgid = spid;
+	else if ((ret = lx_lpid_to_spid(pgid, &spgid)) < 0)
+		return (ret);
+
+	ret = setpgid(spid, spgid);
+
+	if (ret != 0 && errno == EPERM) {
+		/*
+		 * On Linux, calling setpgid with a desired pgid that is equal
+		 * to the current pgid of the process, no error is emitted.
+		 * This differs slightly from illumos which will return EPERM.
+		 *
+		 * To emulate the Linux behavior, we check specifically for
+		 * matching pgids if an EPERM is encountered.
+		 */
+		if (spgid == getpgid(spid))
+			return (0);
+		else
+			return (-EPERM);
+	}
+
+	return ((ret == 0) ? 0 : -errno);
+}
+
+long
+lx_getsid(uintptr_t p1)
+{
+	pid_t spid;
+	int pid = (int)p1;
+	int ret;
+
+	if (pid < 0)
+		return (-ESRCH);
+
+	/*
+	 * If the supplied matches that of the init process, return the value
+	 * Linux expects.
+	 */
+	if (pid == zoneinit_pid)
+		return (LX_INIT_SID);
+
+	if ((ret = lx_lpid_to_spid(pid, &spid)) < 0)
+		return (ret);
+
+	ret = getsid(spid);
+
+	/*
+	 * If the sid is that of the init process, return the value Linux
+	 * expects.
+	 */
+	if (ret == zoneinit_pid)
+		return (LX_INIT_SID);
+
+	return ((ret == -1) ? -errno : ret);
+}
+
+long
+lx_setsid(void)
+{
+	int ret;
+
+	ret = setsid();
+
+	/*
+	 * If the pgid is that of the init process, return the value Linux
+	 * expects.
+	 */
+	if (ret == zoneinit_pid)
+		return (LX_INIT_SID);
+
+	return ((ret == -1) ? -errno : ret);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/poll_select.c b/usr/src/lib/brand/lx/lx_brand/common/poll_select.c
new file mode 100644
index 0000000000..1dce9b278d
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/poll_select.c
@@ -0,0 +1,270 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
+ */
+
+#include <assert.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <alloca.h>
+#include <signal.h>
+#include <strings.h>
+#include <sys/param.h>
+#include <sys/brand.h>
+#include <sys/poll.h>
+#include <sys/syscall.h>
+#include <sys/epoll.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_poll.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_misc.h>
+
+#if defined(_ILP32)
+extern int select_large_fdset(int nfds, fd_set *in0, fd_set *out0, fd_set *ex0,
+	struct timeval *tv);
+#endif
+
+long
+lx_select(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4,
+	uintptr_t p5)
+{
+	int nfds = (int)p1;
+	fd_set *rfdsp = NULL;
+	fd_set *wfdsp = NULL;
+	fd_set *efdsp = NULL;
+	struct timeval tv, *tvp = NULL;
+	int fd_set_len = howmany(nfds, 8);
+	int r;
+	hrtime_t start = NULL, end;
+
+	lx_debug("\tselect(%d, 0x%p, 0x%p, 0x%p, 0x%p)", p1, p2, p3, p4, p5);
+
+	if (nfds > 0) {
+		if (p2 != NULL) {
+			rfdsp = alloca(fd_set_len);
+			if (rfdsp == NULL)
+				return (-ENOMEM);
+			if (uucopy((void *)p2, rfdsp, fd_set_len) != 0)
+				return (-errno);
+		}
+		if (p3 != NULL) {
+			wfdsp = alloca(fd_set_len);
+			if (wfdsp == NULL)
+				return (-ENOMEM);
+			if (uucopy((void *)p3, wfdsp, fd_set_len) != 0)
+				return (-errno);
+		}
+		if (p4 != NULL) {
+			efdsp = alloca(fd_set_len);
+			if (efdsp == NULL)
+				return (-ENOMEM);
+			if (uucopy((void *)p4, efdsp, fd_set_len) != 0)
+				return (-errno);
+		}
+	}
+	if (p5 != NULL) {
+		tvp = &tv;
+		if (uucopy((void *)p5, &tv, sizeof (tv)) != 0)
+			return (-errno);
+		start = gethrtime();
+	}
+
+#if defined(_LP64)
+	r = select(nfds, rfdsp, wfdsp, efdsp, tvp);
+#else
+	if (nfds >= FD_SETSIZE)
+		r = select_large_fdset(nfds, rfdsp, wfdsp, efdsp, tvp);
+	else
+		r = select(nfds, rfdsp, wfdsp, efdsp, tvp);
+#endif
+	if (r < 0)
+		return (-errno);
+
+	if (tvp != NULL) {
+		long long tv_total;
+
+		/*
+		 * Linux updates the timeval parameter for select() calls
+		 * with the amount of time that left before the select
+		 * would have timed out.
+		 */
+		end = gethrtime();
+		tv_total = (tv.tv_sec * MICROSEC) + tv.tv_usec;
+		tv_total -= ((end - start) / (NANOSEC / MICROSEC));
+		if (tv_total < 0) {
+			tv.tv_sec = 0;
+			tv.tv_usec = 0;
+		} else {
+			tv.tv_sec = tv_total / MICROSEC;
+			tv.tv_usec = tv_total % MICROSEC;
+		}
+
+		if (uucopy(&tv, (void *)p5, sizeof (tv)) != 0)
+			return (-errno);
+	}
+
+	if ((rfdsp != NULL) && (uucopy(rfdsp, (void *)p2, fd_set_len) != 0))
+		return (-errno);
+	if ((wfdsp != NULL) && (uucopy(wfdsp, (void *)p3, fd_set_len) != 0))
+		return (-errno);
+	if ((efdsp != NULL) && (uucopy(efdsp, (void *)p4, fd_set_len) != 0))
+		return (-errno);
+
+	return (r);
+}
+
+long
+lx_poll(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	struct pollfd	*lfds, *sfds;
+	nfds_t		nfds = (nfds_t)p2;
+	int		fds_size, i, rval, revents;
+
+	/*
+	 * Little emulation is needed if nfds == 0.
+	 * If p1 happens to be NULL, it'll be dealt with later.
+	 */
+	if (nfds == 0) {
+		if ((rval = poll(NULL, 0, (int)p3)) < 0)
+			return (-errno);
+
+		return (rval);
+	}
+
+	/*
+	 * Note: we are assuming that the Linux and Illumos pollfd
+	 * structures are identical.  Copy in the linux poll structure.
+	 */
+	fds_size = sizeof (struct pollfd) * nfds;
+	lfds = (struct pollfd *)alloca(fds_size);
+	if (lfds == NULL)
+		return (-ENOMEM);
+	if (uucopy((void *)p1, lfds, fds_size) != 0)
+		return (-errno);
+
+	/*
+	 * The poll system call modifies the poll structures passed in
+	 * so we'll need to make an extra copy of them.
+	 */
+	sfds = (struct pollfd *)alloca(fds_size);
+	if (sfds == NULL)
+		return (-ENOMEM);
+
+	/* Convert the Linux events bitmask into the Illumos equivalent. */
+	for (i = 0; i < nfds; i++) {
+		/*
+		 * If the caller is polling for an unsupported event, we
+		 * have to bail out.
+		 */
+		if (lfds[i].events & ~LX_POLL_SUPPORTED_EVENTS) {
+			lx_unsupported("unsupported poll events requested: "
+			    "events=0x%x", lfds[i].events);
+			return (-ENOTSUP);
+		}
+
+		sfds[i].fd = lfds[i].fd;
+		sfds[i].events = lfds[i].events & LX_POLL_COMMON_EVENTS;
+		if (lfds[i].events & LX_POLLWRNORM)
+			sfds[i].events |= POLLWRNORM;
+		if (lfds[i].events & LX_POLLWRBAND)
+			sfds[i].events |= POLLWRBAND;
+		if (lfds[i].events & LX_POLLRDHUP)
+			sfds[i].events |= POLLRDHUP;
+		sfds[i].revents = 0;
+	}
+
+	lx_debug("\tpoll(0x%p, %u, %d)", sfds, nfds, (int)p3);
+
+	if ((rval = poll(sfds, nfds, (int)p3)) < 0)
+		return (-errno);
+
+	/* Convert the Illumos revents bitmask into the Linux equivalent */
+	for (i = 0; i < nfds; i++) {
+		revents = sfds[i].revents & LX_POLL_COMMON_EVENTS;
+		if (sfds[i].revents & POLLWRBAND)
+			revents |= LX_POLLWRBAND;
+		if (sfds[i].revents & POLLRDHUP)
+			revents |= LX_POLLRDHUP;
+
+		/*
+		 * Be careful because on Illumos POLLOUT and POLLWRNORM
+		 * are defined to the same values but on Linux they
+		 * are not.
+		 */
+		if (sfds[i].revents & POLLOUT) {
+			if ((lfds[i].events & LX_POLLOUT) == 0)
+				revents &= ~LX_POLLOUT;
+			if (lfds[i].events & LX_POLLWRNORM)
+				revents |= LX_POLLWRNORM;
+		}
+
+		lfds[i].revents = revents;
+	}
+
+	/* Copy out the results */
+	if (uucopy(lfds, (void *)p1, fds_size) != 0)
+		return (-errno);
+
+	return (rval);
+}
+
+long
+lx_epoll_ctl(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4)
+{
+	int epfd = (int)p1;
+	int op = (int)p2;
+	int fd = (int)p3;
+	int rval;
+	struct epoll_event ev;
+
+	/*
+	 * Linux limits the max number of open files to 1m so we can also test
+	 * for this.
+	 */
+	if (epfd < 0 || fd < 0 || epfd > (1024 * 1024) || fd > (1024 * 1024))
+		return (-EBADF);
+
+	if (epfd == fd)
+		return (-EINVAL);
+
+	/*
+	 * Unlike the base epoll_ctl, we need to return a fault if the
+	 * event pointer is invalid.
+	 */
+	if (op != EPOLL_CTL_DEL) {
+		if (uucopy((void *)p4, &ev, sizeof (ev)) != 0)
+			return (-errno);
+	}
+
+	rval = epoll_ctl(epfd, op, fd, (struct epoll_event *)p4);
+	return ((rval < 0) ? -errno : rval);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/priority.c b/usr/src/lib/brand/lx/lx_brand/common/priority.c
new file mode 100644
index 0000000000..48b61d6bdc
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/priority.c
@@ -0,0 +1,95 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_types.h>
+#include <sys/resource.h>
+#include <sys/lx_misc.h>
+
+long
+lx_getpriority(uintptr_t p1, uintptr_t p2)
+{
+	int	which = (int)p1;
+	id_t	who  = (id_t)p2;
+	int	ret;
+
+	/*
+	 * The only valid values for 'which' are positive integers, and unlike
+	 * Solaris, linux doesn't support anything past PRIO_USER.
+	 */
+	if (which < 0 || which > PRIO_USER)
+		return (-EINVAL);
+
+	lx_debug("\tgetpriority(%d, %d)", which, who);
+
+	errno = 0;
+
+	if ((which == PRIO_PROCESS) && (who == 1))
+		who = zoneinit_pid;
+
+	ret = getpriority(which, who);
+	if (ret == -1 && errno != 0) {
+		/*
+		 * Linux does not return EINVAL for invalid 'who' values, it
+		 * returns ESRCH instead. We already validated 'which' above.
+		 */
+		if (errno == EINVAL)
+			errno = ESRCH;
+		return (-errno);
+	}
+
+	/*
+	 * The return value of the getpriority syscall is biased by 20 to avoid
+	 * returning negative values when successful.
+	 */
+	return (20 - ret);
+}
+
+long
+lx_setpriority(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	int which = (int)p1;
+	id_t who  = (id_t)p2;
+	int prio  = (int)p3;
+	int rval;
+
+	if (which > PRIO_USER)
+		return (-EINVAL);
+
+	lx_debug("\tsetpriority(%d, %d, %d)", which, who, prio);
+
+	if ((which == PRIO_PROCESS) && (who == 1))
+		who = zoneinit_pid;
+
+	rval = setpriority(which, who, prio);
+
+	return ((rval == -1) ? -errno : rval);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/ptrace.c b/usr/src/lib/brand/lx/lx_brand/common/ptrace.c
new file mode 100644
index 0000000000..5cdbf1da87
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/ptrace.c
@@ -0,0 +1,889 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_signal.h>
+#include <sys/lx_thread.h>
+#include <sys/lwp.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <procfs.h>
+#include <sys/frame.h>
+#include <strings.h>
+#include <signal.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <sys/wait.h>
+#include <sys/auxv.h>
+#include <thread.h>
+#include <pthread.h>
+#include <synch.h>
+#include <elf.h>
+#include <ieeefp.h>
+#include <assert.h>
+#include <libintl.h>
+#include <lx_syscall.h>
+
+/*
+ * Much of the Linux ptrace(2) emulation is performed in the kernel, and there
+ * is a block comment in "lx_ptrace.c" that describes the facility in some
+ * detail.
+ */
+
+/*
+ * This corresponds to the user_i387_struct Linux structure.
+ */
+typedef struct lx_user_fpregs {
+	long lxuf_cwd;
+	long lxuf_swd;
+	long lxuf_twd;
+	long lxuf_fip;
+	long lxuf_fcs;
+	long lxuf_foo;
+	long lxuf_fos;
+	long lxuf_st_space[20];
+} lx_user_fpregs_t;
+
+/*
+ * This corresponds to the user_fxsr_struct Linux structure.
+ */
+typedef struct lx_user_fpxregs {
+	uint16_t lxux_cwd;
+	uint16_t lxux_swd;
+	uint16_t lxux_twd;
+	uint16_t lxux_fop;
+	long lxux_fip;
+	long lxux_fcs;
+	long lxux_foo;
+	long lxux_fos;
+	long lxux_mxcsr;
+	long lxux_reserved;
+	long lxux_st_space[32];
+	long lxux_xmm_space[32];
+	long lxux_padding[56];
+} lx_user_fpxregs_t;
+
+typedef struct lx_user {
+	lx_user_regs_t lxu_regs;
+	int lxu_fpvalid;
+	lx_user_fpregs_t lxu_i387;
+	ulong_t lxu_tsize;
+	ulong_t lxu_dsize;
+	ulong_t lxu_ssize;
+	ulong_t lxu_start_code;
+	ulong_t lxu_start_stack;
+	long lxu_signal;
+	int lxu_reserved;
+	lx_user_regs_t *lxu_ar0;
+	lx_user_fpregs_t *lxu_fpstate;
+	ulong_t lxu_magic;
+	char lxu_comm[32];
+	int lxu_debugreg[8];
+} lx_user_t;
+
+typedef struct ptrace_state_map {
+	struct ptrace_state_map *psm_next;	/* next pointer */
+	pid_t		psm_pid;		/* Solaris pid */
+	uintptr_t	psm_debugreg[8];	/* debug registers */
+} ptrace_state_map_t;
+
+static ptrace_state_map_t *ptrace_state_map = NULL;
+static mutex_t ptrace_map_mtx = DEFAULTMUTEX;
+
+extern void *_START_;
+
+static sigset_t blockable_sigs;
+
+static long lx_ptrace_kernel(int, pid_t, uintptr_t, uintptr_t);
+
+void
+lx_ptrace_init(void)
+{
+	(void) sigfillset(&blockable_sigs);
+	(void) sigdelset(&blockable_sigs, SIGKILL);
+	(void) sigdelset(&blockable_sigs, SIGSTOP);
+}
+
+/*
+ * Given a pid, open the named file under /native/proc/<pid>/name using the
+ * given mode.
+ */
+static int
+open_procfile(pid_t pid, int mode, const char *name)
+{
+	char path[MAXPATHLEN];
+
+	(void) snprintf(path, sizeof (path), "/native/proc/%d/%s", pid, name);
+
+	return (open(path, mode));
+}
+
+/*
+ * Given a pid and lwpid, open the named file under
+ * /native/proc/<pid>/<lwpid>/name using the given mode.
+ */
+static int
+open_lwpfile(pid_t pid, lwpid_t lwpid, int mode, const char *name)
+{
+	char path[MAXPATHLEN];
+
+	(void) snprintf(path, sizeof (path), "/native/proc/%d/lwp/%d/%s",
+	    pid, lwpid, name);
+
+	return (open(path, mode));
+}
+
+static int
+get_lwpstatus(pid_t pid, lwpid_t lwpid, lwpstatus_t *lsp)
+{
+	int fd;
+
+	if ((fd = open_lwpfile(pid, lwpid, O_RDONLY, "lwpstatus")) < 0)
+		return (-ESRCH);
+
+	if (read(fd, lsp, sizeof (lwpstatus_t)) != sizeof (lwpstatus_t)) {
+		(void) close(fd);
+		return (-EIO);
+	}
+
+	(void) close(fd);
+
+	return (0);
+}
+
+static int
+getfpregs(pid_t pid, lwpid_t lwpid, lx_user_fpregs_t *rp)
+{
+	lwpstatus_t status;
+	struct _fpstate *fp;
+#if defined(_ILP32)
+	char *data;
+	int i;
+#endif
+	int ret;
+
+	if ((ret = get_lwpstatus(pid, lwpid, &status)) != 0)
+		return (ret);
+
+	fp = (struct _fpstate *)&status.pr_fpreg.fp_reg_set.fpchip_state;
+
+#if defined(_ILP32)
+	rp->lxuf_cwd = fp->cw;
+	rp->lxuf_swd = fp->sw;
+	rp->lxuf_twd = fp->tag;
+	rp->lxuf_fip = fp->ipoff;
+	rp->lxuf_fcs = fp->cssel;
+	rp->lxuf_foo = fp->dataoff;
+	rp->lxuf_fos = fp->datasel;
+
+	/*
+	 * The Linux structure uses 10 bytes per floating-point register.
+	 */
+	data = (char *)&rp->lxuf_st_space[0];
+	for (i = 0; i < 8; i++) {
+		bcopy(&fp->_st[i], data, 10);
+		data += 10;
+	}
+#endif
+
+	return (0);
+}
+
+static int
+setfpregs(pid_t pid, lwpid_t lwpid, const lx_user_fpregs_t *rp)
+{
+	lwpstatus_t status;
+	struct {
+		long cmd;
+		prfpregset_t regs;
+	} ctl;
+#if defined(_ILP32)
+	struct _fpstate *fp = (struct _fpstate *)&ctl.regs;
+	char *data;
+	int i;
+#endif
+	int ret, fd;
+
+	if ((ret = get_lwpstatus(pid, lwpid, &status)) != 0)
+		return (ret);
+
+	bcopy(&status.pr_fpreg, &ctl.regs, sizeof (ctl.regs));
+
+#if defined(_ILP32)
+	fp->cw = rp->lxuf_cwd;
+	fp->sw = rp->lxuf_swd;
+	fp->tag = rp->lxuf_twd;
+	fp->ipoff = rp->lxuf_fip;
+	fp->cssel = rp->lxuf_fcs;
+	fp->dataoff = rp->lxuf_foo;
+	fp->datasel = rp->lxuf_fos;
+
+	/*
+	 * The Linux structure uses 10 bytes per floating-point register.
+	 */
+	data = (char *)&rp->lxuf_st_space[0];
+	for (i = 0; i < 8; i++) {
+		bcopy(data, &fp->_st[i], 10);
+		data += 10;
+	}
+#endif
+
+	if ((fd = open_lwpfile(pid, lwpid, O_WRONLY, "lwpctl")) < 0)
+		return (-ESRCH);
+
+	ctl.cmd = PCSFPREG;
+	if (write(fd, &ctl, sizeof (ctl)) != sizeof (ctl)) {
+		(void) close(fd);
+		return (-EIO);
+	}
+
+	(void) close(fd);
+
+	return (0);
+}
+
+
+static int
+getfpxregs(pid_t pid, lwpid_t lwpid, lx_user_fpxregs_t *rp)
+{
+#if defined(_ILP32)
+	lwpstatus_t status;
+	struct _fpstate *fp;
+	int ret, i;
+
+	if ((ret = get_lwpstatus(pid, lwpid, &status)) != 0)
+		return (ret);
+
+	fp = (struct _fpstate *)&status.pr_fpreg.fp_reg_set.fpchip_state;
+
+	rp->lxux_cwd = (uint16_t)fp->cw;
+	rp->lxux_swd = (uint16_t)fp->sw;
+	rp->lxux_twd = (uint16_t)fp->tag;
+	rp->lxux_fop = (uint16_t)(fp->cssel >> 16);
+	rp->lxux_fip = fp->ipoff;
+	rp->lxux_fcs = (uint16_t)fp->cssel;
+	rp->lxux_foo = fp->dataoff;
+	rp->lxux_fos = fp->datasel;
+	rp->lxux_mxcsr = status.pr_fpreg.fp_reg_set.fpchip_state.mxcsr;
+
+	bcopy(fp->xmm, rp->lxux_xmm_space, sizeof (rp->lxux_xmm_space));
+	bzero(rp->lxux_st_space, sizeof (rp->lxux_st_space));
+	for (i = 0; i < 8; i++) {
+		bcopy(&fp->_st[i], &rp->lxux_st_space[i * 4],
+		    sizeof (fp->_st[i]));
+	}
+#endif
+
+	return (0);
+}
+
+static int
+setfpxregs(pid_t pid, lwpid_t lwpid, const lx_user_fpxregs_t *rp)
+{
+#if defined(_ILP32)
+	lwpstatus_t status;
+	struct {
+		long cmd;
+		prfpregset_t regs;
+	} ctl;
+	struct _fpstate *fp = (struct _fpstate *)&ctl.regs;
+	int ret, i, fd;
+
+	if ((ret = get_lwpstatus(pid, lwpid, &status)) != 0)
+		return (ret);
+
+	bcopy(&status.pr_fpreg, &ctl.regs, sizeof (ctl.regs));
+
+	fp->cw = rp->lxux_cwd;
+	fp->sw = rp->lxux_swd;
+	fp->tag = rp->lxux_twd;
+	fp->ipoff = rp->lxux_fip;
+	fp->cssel = rp->lxux_fcs | (rp->lxux_fop << 16);
+	fp->dataoff = rp->lxux_foo;
+	fp->datasel = rp->lxux_fos;
+
+	bcopy(rp->lxux_xmm_space, fp->xmm, sizeof (rp->lxux_xmm_space));
+	for (i = 0; i < 8; i++) {
+		bcopy(&rp->lxux_st_space[i * 4], &fp->_st[i],
+		    sizeof (fp->_st[i]));
+	}
+
+	if ((fd = open_lwpfile(pid, lwpid, O_WRONLY, "lwpctl")) < 0)
+		return (-ESRCH);
+
+	ctl.cmd = PCSFPREG;
+	if (write(fd, &ctl, sizeof (ctl)) != sizeof (ctl)) {
+		(void) close(fd);
+		return (-EIO);
+	}
+
+	(void) close(fd);
+#endif
+
+	return (0);
+}
+
+/*
+ * Solaris does not allow a process to manipulate its own or some
+ * other process's debug registers.  Linux ptrace(2) allows this
+ * and gdb manipulates them for its watchpoint implementation.
+ *
+ * We keep a pseudo set of debug registers for each traced process
+ * and map their contents into the appropriate PCWATCH /proc
+ * operations when they are activated by gdb.
+ *
+ * To understand how the debug registers work on x86 machines,
+ * see section 13.1 of the AMD x86-64 Architecture Programmer's
+ * Manual, Volume 2, System Programming.
+ */
+static uintptr_t *
+debug_registers(pid_t pid)
+{
+	ptrace_state_map_t *p;
+
+	(void) mutex_lock(&ptrace_map_mtx);
+	for (p = ptrace_state_map; p != NULL; p = p->psm_next) {
+		if (p->psm_pid == pid)
+			break;
+	}
+	if (p == NULL && (p = malloc(sizeof (*p))) != NULL) {
+		bzero(p, sizeof (*p));
+		p->psm_pid = pid;
+		p->psm_next = ptrace_state_map;
+		p->psm_debugreg[6] = 0xffff0ff0;	/* read as ones */
+		ptrace_state_map = p;
+	}
+	(void) mutex_unlock(&ptrace_map_mtx);
+	return (p != NULL? p->psm_debugreg : NULL);
+}
+
+static int
+setup_watchpoints(pid_t pid, uintptr_t *debugreg)
+{
+	int dr7 = debugreg[7];
+	int lrw;
+	int fd;
+	size_t size = NULL;
+	prwatch_t prwatch[4];
+	int nwatch;
+	int i;
+	int wflags = NULL;
+	int error;
+	struct {
+		long req;
+		prwatch_t prwatch;
+	} ctl;
+
+	/* find all watched areas */
+	if ((fd = open_procfile(pid, O_RDONLY, "watch")) < 0)
+		return (-ESRCH);
+	nwatch = read(fd, prwatch, sizeof (prwatch)) / sizeof (prwatch_t);
+	(void) close(fd);
+	if ((fd = open_procfile(pid, O_WRONLY, "ctl")) < 0)
+		return (-ESRCH);
+	/* clear all watched areas */
+	for (i = 0; i < nwatch; i++) {
+		ctl.req = PCWATCH;
+		ctl.prwatch = prwatch[i];
+		ctl.prwatch.pr_wflags = 0;
+		if (write(fd, &ctl, sizeof (ctl)) != sizeof (ctl)) {
+			error = -errno;
+			(void) close(fd);
+			return (error);
+		}
+	}
+	/* establish all new watched areas */
+	for (i = 0; i < 4; i++) {
+		if ((dr7 & (1 << (2 * i))) == 0)	/* enabled? */
+			continue;
+		lrw = (dr7 >> (16 + (4 * i))) & 0xf;
+		switch (lrw >> 2) {	/* length */
+		case 0: size = 1; break;
+		case 1: size = 2; break;
+		case 2: size = 8; break;
+		case 3: size = 4; break;
+		}
+		switch (lrw & 0x3) {	/* mode */
+		case 0: wflags = WA_EXEC; break;
+		case 1: wflags = WA_WRITE; break;
+		case 2: continue;
+		case 3: wflags = WA_READ | WA_WRITE; break;
+		}
+		ctl.req = PCWATCH;
+		ctl.prwatch.pr_vaddr = debugreg[i];
+		ctl.prwatch.pr_size = size;
+		ctl.prwatch.pr_wflags = wflags | WA_TRAPAFTER;
+		if (write(fd, &ctl, sizeof (ctl)) != sizeof (ctl)) {
+			error = -errno;
+			(void) close(fd);
+			return (error);
+		}
+	}
+	(void) close(fd);
+	return (0);
+}
+
+/*
+ * Returns B_TRUE if the target LWP, identified by its Linux pid, is traced by
+ * this LWP and is waiting in "ptrace-stop".  Returns B_FALSE otherwise.
+ */
+static boolean_t
+is_ptrace_stopped(pid_t lxpid)
+{
+	ulong_t dummy;
+
+	/*
+	 * We attempt a PTRACE_GETEVENTMSG request to determine if the tracee
+	 * is stopped appropriately.  As we are not in the kernel, this is not
+	 * an atomic check; the process is not guaranteed to remain stopped
+	 * once we have dropped the locks protecting that state and left the
+	 * kernel.
+	 */
+	if (lx_ptrace_kernel(LX_PTRACE_GETEVENTMSG, lxpid, NULL,
+	    (uintptr_t)&dummy) == 0) {
+		return (B_TRUE);
+	}
+
+	/*
+	 * This call should only fail with ESRCH, which tells us that the
+	 * a tracee with that pid was not found in the stopped condition.
+	 */
+	assert(errno == ESRCH);
+
+	return (B_FALSE);
+}
+
+/*
+ * Read a word of data from the given address.  Because this is a process-wide
+ * action, we don't need the lwpid.
+ */
+static long
+ptrace_peek(pid_t pid, uintptr_t addr, long *ret)
+{
+	int fd;
+	long data;
+
+	if ((fd = open_procfile(pid, O_RDONLY, "as")) < 0)
+		return (-ESRCH);
+
+	if (pread(fd, &data, sizeof (data), addr) != sizeof (data)) {
+		(void) close(fd);
+		return (-EIO);
+	}
+
+	(void) close(fd);
+
+	if (uucopy(&data, ret, sizeof (data)) != 0)
+		return (-errno);
+
+	return (0);
+}
+
+#define	LX_USER_BOUND(m)	\
+(offsetof(lx_user_t, m) + sizeof (((lx_user_t *)NULL)->m))
+
+static int
+ptrace_peek_user(pid_t lxpid, pid_t pid, lwpid_t lwpid, uintptr_t off, int *ret)
+{
+	int err;
+	long data;
+	uintptr_t *debugreg;
+	int dreg;
+
+	/*
+	 * The offset specified by the user is an offset into the Linux
+	 * user structure (seriously). Rather than constructing a full
+	 * user structure, we figure out which part of the user structure
+	 * the offset is in, and fill in just that component.
+	 */
+	if (off < LX_USER_BOUND(lxu_regs)) {
+		lx_user_regs_t regs;
+
+		if ((err = lx_ptrace_kernel(LX_PTRACE_GETREGS, lxpid, NULL,
+		    (uintptr_t)&regs)) != 0) {
+			return (err);
+		}
+
+		data = *(long *)((uintptr_t)&regs + off -
+		    offsetof(lx_user_t, lxu_regs));
+
+	} else if (off < LX_USER_BOUND(lxu_fpvalid)) {
+		lx_err("offset = %lu\n", off);
+		assert(0);
+	} else if (off < LX_USER_BOUND(lxu_i387)) {
+		lx_user_fpregs_t regs;
+
+		if ((err = getfpregs(pid, lwpid, &regs)) != 0)
+			return (err);
+
+		data = *(long *)((uintptr_t)&regs + off -
+		    offsetof(lx_user_t, lxu_i387));
+
+	} else if (off < LX_USER_BOUND(lxu_tsize)) {
+		lx_err("offset = %lu\n", off);
+		assert(0);
+	} else if (off < LX_USER_BOUND(lxu_dsize)) {
+		lx_err("offset = %lu\n", off);
+		assert(0);
+	} else if (off < LX_USER_BOUND(lxu_ssize)) {
+		lx_err("offset = %lu\n", off);
+		assert(0);
+	} else if (off < LX_USER_BOUND(lxu_start_code)) {
+		lx_err("offset = %lu\n", off);
+		assert(0);
+	} else if (off < LX_USER_BOUND(lxu_start_stack)) {
+		lx_err("offset = %lu\n", off);
+		assert(0);
+	} else if (off < LX_USER_BOUND(lxu_signal)) {
+		lx_err("offset = %lu\n", off);
+		assert(0);
+	} else if (off < LX_USER_BOUND(lxu_reserved)) {
+		lx_err("offset = %lu\n", off);
+		assert(0);
+	} else if (off < LX_USER_BOUND(lxu_ar0)) {
+		lx_err("offset = %lu\n", off);
+		assert(0);
+	} else if (off < LX_USER_BOUND(lxu_fpstate)) {
+		lx_err("offset = %lu\n", off);
+		assert(0);
+	} else if (off < LX_USER_BOUND(lxu_magic)) {
+		lx_err("offset = %lu\n", off);
+		assert(0);
+	} else if (off < LX_USER_BOUND(lxu_comm)) {
+		lx_err("offset = %lu\n", off);
+		assert(0);
+	} else if (off < LX_USER_BOUND(lxu_debugreg)) {
+		dreg = (off - offsetof(lx_user_t, lxu_debugreg)) / sizeof (int);
+		if (dreg == 4)		/* aliased */
+			dreg = 6;
+		else if (dreg == 5)	/* aliased */
+			dreg = 7;
+		if ((debugreg = debug_registers(pid)) != NULL)
+			data = debugreg[dreg];
+		else
+			data = 0;
+	} else {
+		lx_unsupported("unsupported ptrace peek user offset: 0x%x\n",
+		    off);
+		assert(0);
+		return (-ENOTSUP);
+	}
+
+	if (uucopy(&data, ret, sizeof (data)) != 0)
+		return (-errno);
+
+	return (0);
+}
+
+/*
+ * Write a word of data to the given address.  Because this is a process-wide
+ * action, we don't need the lwpid.  Returns EINVAL if the address is not
+ * word-aligned.
+ */
+static int
+ptrace_poke(pid_t pid, uintptr_t addr, int data)
+{
+	int fd;
+
+	if (addr & 0x3)
+		return (-EINVAL);
+
+	if ((fd = open_procfile(pid, O_WRONLY, "as")) < 0)
+		return (-ESRCH);
+
+	if (pwrite(fd, &data, sizeof (data), addr) != sizeof (data)) {
+		(void) close(fd);
+		return (-EIO);
+	}
+
+	(void) close(fd);
+	return (0);
+}
+
+static int
+ptrace_poke_user(pid_t lxpid, pid_t pid, lwpid_t lwpid, uintptr_t off, int data)
+{
+	lx_user_regs_t regs;
+	int err = 0;
+	uintptr_t *debugreg;
+	int dreg;
+
+	if (off & 0x3)
+		return (-EINVAL);
+
+	if (off < offsetof(lx_user_t, lxu_regs) + sizeof (lx_user_regs_t)) {
+		if ((err = lx_ptrace_kernel(LX_PTRACE_GETREGS, lxpid, NULL,
+		    (uintptr_t)&regs)) != 0) {
+			return (err);
+		}
+
+		*(int *)((uintptr_t)&regs + off -
+		    offsetof(lx_user_t, lxu_regs)) = data;
+
+		return (lx_ptrace_kernel(LX_PTRACE_SETREGS, lxpid, NULL,
+		    (uintptr_t)&regs));
+	}
+
+	if (off >= offsetof(lx_user_t, lxu_debugreg) &&
+	    off < offsetof(lx_user_t, lxu_debugreg) + 8 * sizeof (int)) {
+		dreg = (off - offsetof(lx_user_t, lxu_debugreg)) / sizeof (int);
+		if (dreg == 4)		/* aliased */
+			dreg = 6;
+		else if (dreg == 5)	/* aliased */
+			dreg = 7;
+		if ((debugreg = debug_registers(pid)) != NULL) {
+			debugreg[dreg] = data;
+			if (dreg == 7)
+				err = setup_watchpoints(pid, debugreg);
+		}
+		return (err);
+	}
+
+	lx_unsupported("unsupported ptrace poke user offset: 0x%x\n", off);
+	assert(0);
+	return (-ENOTSUP);
+}
+
+static int
+ptrace_kill(pid_t pid)
+{
+	int ret;
+
+	ret = kill(pid, SIGKILL);
+
+	return (ret == 0 ? ret : -errno);
+}
+
+static int
+ptrace_getfpregs(pid_t pid, lwpid_t lwpid, uintptr_t addr)
+{
+	lx_user_fpregs_t regs;
+	int ret;
+
+	if ((ret = getfpregs(pid, lwpid, &regs)) != 0)
+		return (ret);
+
+	if (uucopy(&regs, (void *)addr, sizeof (regs)) != 0)
+		return (-errno);
+
+	return (0);
+}
+
+static int
+ptrace_setfpregs(pid_t pid, lwpid_t lwpid, uintptr_t addr)
+{
+	lx_user_fpregs_t regs;
+
+	if (uucopy((void *)addr, &regs, sizeof (regs)) != 0)
+		return (-errno);
+
+	return (setfpregs(pid, lwpid, &regs));
+}
+
+static int
+ptrace_getfpxregs(pid_t pid, lwpid_t lwpid, uintptr_t addr)
+{
+	lx_user_fpxregs_t regs;
+	int ret;
+
+	if ((ret = getfpxregs(pid, lwpid, &regs)) != 0)
+		return (ret);
+
+	if (uucopy(&regs, (void *)addr, sizeof (regs)) != 0)
+		return (-errno);
+
+	return (0);
+}
+
+static int
+ptrace_setfpxregs(pid_t pid, lwpid_t lwpid, uintptr_t addr)
+{
+	lx_user_fpxregs_t regs;
+
+	if (uucopy((void *)addr, &regs, sizeof (regs)) != 0)
+		return (-errno);
+
+	return (setfpxregs(pid, lwpid, &regs));
+}
+
+void
+lx_ptrace_stop_if_option(int option, boolean_t child, ulong_t msg,
+    ucontext_t *ucp)
+{
+	/*
+	 * We call into the kernel to see if we need to stop for specific
+	 * ptrace(2) events.
+	 */
+	lx_debug("lx_ptrace_stop_if_option(%d, %s, %lu, %p)", option,
+	    child ? "TRUE [child]" : "FALSE [parent]", msg, ucp);
+	if (ucp == NULL) {
+		ucp = (ucontext_t *)lx_find_brand_uc();
+		lx_debug("\tucp = %p", ucp);
+	}
+	if (syscall(SYS_brand, B_PTRACE_STOP_FOR_OPT, option, child, msg,
+	    ucp) != 0) {
+		if (errno != ESRCH) {
+			/*
+			 * This should _only_ fail if we are not traced, or do
+			 * not have this option set.
+			 */
+			lx_err_fatal("B_PTRACE_STOP_FOR_OPT failed: %s",
+			    strerror(errno));
+		}
+	}
+}
+
+/*
+ * Signal to the in-kernel ptrace(2) subsystem that the next native fork() or
+ * thr_create() is part of an emulated fork(2) or clone(2).  If PTRACE_CLONE
+ * was passed to clone(2), inherit_flag should be B_TRUE.
+ */
+void
+lx_ptrace_clone_begin(int option, boolean_t inherit_flag)
+{
+	lx_debug("lx_ptrace_clone_begin(%d, %sPTRACE_CLONE)", option,
+	    inherit_flag ? "" : "!");
+	if (syscall(SYS_brand, B_PTRACE_CLONE_BEGIN, option,
+	    inherit_flag) != 0) {
+		lx_err_fatal("B_PTRACE_CLONE_BEGIN failed: %s",
+		    strerror(errno));
+	}
+}
+
+static long
+lx_ptrace_kernel(int ptrace_op, pid_t lxpid, uintptr_t addr, uintptr_t data)
+{
+	int ret;
+
+	/*
+	 * Call into the in-kernel ptrace(2) emulation code.
+	 */
+	lx_debug("revectoring to B_PTRACE_KERNEL(%d, %d, %p, %p)", ptrace_op,
+	    lxpid, addr, data);
+	ret = syscall(SYS_brand, B_PTRACE_KERNEL, ptrace_op, lxpid, addr,
+	    data);
+	if (ret == 0) {
+		lx_debug("\t= %d", ret);
+	} else {
+		lx_debug("\t= %d (%s)", ret, strerror(errno));
+	}
+
+	return (ret == 0 ? ret : -errno);
+}
+
+long
+lx_ptrace(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4)
+{
+	int ptrace_op = (int)p1;
+	pid_t pid, lxpid = (pid_t)p2;
+	lwpid_t lwpid;
+
+	/*
+	 * Some PTRACE_* requests are emulated entirely in the kernel.
+	 */
+	switch (ptrace_op) {
+	/*
+	 * PTRACE_TRACEME and PTRACE_ATTACH operations induce the tracing of
+	 * one LWP by another.  The target LWP must not be traced already.
+	 * Both `data' and `addr' are ignored in both cases.
+	 */
+	case LX_PTRACE_TRACEME:
+		return (lx_ptrace_kernel(ptrace_op, 0, 0, 0));
+
+	case LX_PTRACE_ATTACH:
+		return (lx_ptrace_kernel(ptrace_op, lxpid, 0, 0));
+
+	/*
+	 * PTRACE_DETACH, PTRACE_SYSCALL, PTRACE_SINGLESTEP and PTRACE_CONT
+	 * are all restarting actions.  They are only allowed when attached
+	 * to the target LWP and when that target LWP is in a "ptrace-stop"
+	 * condition.
+	 */
+	case LX_PTRACE_DETACH:
+	case LX_PTRACE_SYSCALL:
+	case LX_PTRACE_CONT:
+	case LX_PTRACE_SINGLESTEP:
+	/*
+	 * These actions also require the LWP to be traced and stopped, but do
+	 * not restart the target LWP.
+	 */
+	case LX_PTRACE_SETOPTIONS:
+	case LX_PTRACE_GETEVENTMSG:
+	case LX_PTRACE_GETREGS:
+	case LX_PTRACE_SETREGS:
+		return (lx_ptrace_kernel(ptrace_op, lxpid, p3, p4));
+	}
+
+	/*
+	 * The rest of the emulated PTRACE_* actions are emulated in userland.
+	 * They require the target LWP to be traced and in currently
+	 * "ptrace-stop", but do not subsequently restart the target LWP.
+	 */
+	if (lx_lpid_to_spair(lxpid, &pid, &lwpid) < 0 ||
+	    !is_ptrace_stopped(lxpid)) {
+		return (-ESRCH);
+	}
+
+	switch (ptrace_op) {
+	case LX_PTRACE_PEEKTEXT:
+	case LX_PTRACE_PEEKDATA:
+		return (ptrace_peek(pid, p3, (long *)p4));
+
+	case LX_PTRACE_PEEKUSER:
+		return (ptrace_peek_user(lxpid, pid, lwpid, p3, (int *)p4));
+
+	case LX_PTRACE_POKETEXT:
+	case LX_PTRACE_POKEDATA:
+		return (ptrace_poke(pid, p3, (int)p4));
+
+	case LX_PTRACE_POKEUSER:
+		return (ptrace_poke_user(lxpid, pid, lwpid, p3, (int)p4));
+
+	case LX_PTRACE_KILL:
+		return (ptrace_kill(pid));
+
+	case LX_PTRACE_GETFPREGS:
+		return (ptrace_getfpregs(pid, lwpid, p4));
+
+	case LX_PTRACE_SETFPREGS:
+		return (ptrace_setfpregs(pid, lwpid, p4));
+
+	case LX_PTRACE_GETFPXREGS:
+		return (ptrace_getfpxregs(pid, lwpid, p4));
+
+	case LX_PTRACE_SETFPXREGS:
+		return (ptrace_setfpxregs(pid, lwpid, p4));
+
+	default:
+		return (-EINVAL);
+	}
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/sched.c b/usr/src/lib/brand/lx/lx_brand/common/sched.c
new file mode 100644
index 0000000000..f56f5c18e9
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/sched.c
@@ -0,0 +1,624 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/types.h>
+#include <sys/cred_impl.h>
+#include <sys/ucred.h>
+#include <ucred.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <errno.h>
+#include <sched.h>
+#include <strings.h>
+#include <pthread.h>
+#include <time.h>
+#include <thread.h>
+#include <alloca.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_sched.h>
+
+/* Linux only has three valid policies, SCHED_FIFO, SCHED_RR and SCHED_OTHER */
+static int
+validate_policy(int policy)
+{
+	switch (policy) {
+		case LX_SCHED_FIFO:
+			return (SCHED_FIFO);
+
+		case LX_SCHED_RR:
+			return (SCHED_RR);
+
+		case LX_SCHED_OTHER:
+			return (SCHED_OTHER);
+
+		default:
+			lx_debug("validate_policy: illegal policy: %d", policy);
+			return (-EINVAL);
+	}
+}
+
+/*
+ * Check to see if we have the permissions to set scheduler parameters and
+ * policy, based on Linux' demand that such commands fail with errno set to
+ * EPERM if the current euid is not the euid or ruid of the process in
+ * question.
+ */
+static int
+check_schedperms(pid_t pid)
+{
+	size_t sz;
+	ucred_t *cr;
+	uid_t euid;
+
+	euid = geteuid();
+
+	if (pid == getpid()) {
+		/*
+		 * If we're the process to be checked, simply check the euid
+		 * against our ruid.
+		 */
+		if (euid != getuid())
+			return (-EPERM);
+
+		return (0);
+	}
+
+	/*
+	 * We allocate a ucred_t ourselves rather than call ucred_get(3C)
+	 * because ucred_get() calls malloc(3C), which the brand library cannot
+	 * use.  Because we allocate the space with SAFE_ALLOCA(), there's
+	 * no need to free it when we're done.
+	 */
+	sz = ucred_size();
+	cr = (ucred_t *)SAFE_ALLOCA(sz);
+
+	if (cr == NULL)
+		return (-ENOMEM);
+
+	/*
+	 * If we can't access the process' credentials, fail with errno EPERM
+	 * as the call would not have succeeded anyway.
+	 */
+	if (syscall(SYS_ucredsys, UCREDSYS_UCREDGET, pid, cr) != 0)
+		return ((errno == EACCES) ? -EPERM : -errno);
+
+	if ((euid != ucred_geteuid(cr)) && (euid != ucred_getruid(cr)))
+		return (-EPERM);
+
+	return (0);
+}
+
+static int
+ltos_sparam(int policy, struct lx_sched_param *lsp, struct sched_param *sp)
+{
+	struct lx_sched_param ls;
+	int smin = sched_get_priority_min(policy);
+	int smax = sched_get_priority_max(policy);
+
+	if (uucopy(lsp, &ls, sizeof (struct lx_sched_param)) != 0)
+		return (-errno);
+
+	bzero(sp, sizeof (struct sched_param));
+
+	/*
+	 * Linux has a fixed priority range, 0 - 99, which we need to convert to
+	 * Solaris's dynamic range. Linux considers lower numbers to be
+	 * higher priority, so we'll invert the priority within Solaris's range.
+	 *
+	 * The formula to convert between ranges is:
+	 *
+	 *	L * (smax - smin)
+	 * S =  -----------------  + smin
+	 *	  (lmax - lmin)
+	 *
+	 * where S is the Solaris equivalent of the linux priority L.
+	 *
+	 * To invert the priority, we use:
+	 * S' = smax - S + smin
+	 *
+	 * Together, these two formulas become:
+	 *
+	 *		L * (smax - smin)
+	 *   S = smax - -----------------  + 2smin
+	 *			99
+	 */
+	sp->sched_priority = smax -
+	    ((ls.lx_sched_prio * (smax - smin)) / LX_PRI_MAX) + 2*smin;
+
+	lx_debug("ltos_sparam: linux prio %d = Solaris prio %d "
+	    "(Solaris range %d,%d)\n", ls.lx_sched_prio, sp->sched_priority,
+	    smin, smax);
+
+	return (0);
+}
+
+static int
+stol_sparam(int policy, struct sched_param *sp, struct lx_sched_param *lsp)
+{
+	struct lx_sched_param ls;
+	int smin = sched_get_priority_min(policy);
+	int smax = sched_get_priority_max(policy);
+
+	if (policy == SCHED_OTHER) {
+		/*
+		 * In Linux, the only valid SCHED_OTHER scheduler priority is 0
+		 */
+		ls.lx_sched_prio = 0;
+	} else {
+		/*
+		 * Convert Solaris's dynamic, inverted priority range to the
+		 * fixed Linux range of 1 - 99.
+		 *
+		 * The formula is (see above):
+		 *
+		 *	(smax - s + 2smin) * 99
+		 *  l = -----------------------
+		 *		smax - smin
+		 */
+		ls.lx_sched_prio = ((smax - sp->sched_priority + 2*smin) *
+		    LX_PRI_MAX) / (smax - smin);
+	}
+
+	lx_debug("stol_sparam: policy %d: Solaris prio %d = linux prio %d "
+	    "(Solaris range %d,%d)\n", policy,
+	    sp->sched_priority, ls.lx_sched_prio, smin, smax);
+
+	return ((uucopy(&ls, lsp, sizeof (struct lx_sched_param)) != 0)
+	    ? -errno : 0);
+}
+
+#define	BITINDEX(ind)	(ind / (sizeof (uint_t) * 8))
+#define	BITSHIFT(ind)	(1 << (ind % (sizeof (uint_t) * 8)))
+
+/* ARGSUSED */
+long
+lx_sched_getaffinity(uintptr_t pid, uintptr_t len, uintptr_t maskp)
+{
+	int	sz;
+	uint_t	*lmask, *zmask;
+	int	i;
+
+	sz = syscall(SYS_brand, B_GET_AFFINITY_MASK, pid, len, maskp);
+	if (sz == -1)
+		return (-errno);
+
+	/*
+	 * If the target LWP hasn't ever had an affinity mask set, the kernel
+	 * will return a mask of all 0's. If that is the case we must build a
+	 * default mask that has all valid bits turned on.
+	 */
+	lmask = SAFE_ALLOCA(sz);
+	zmask = SAFE_ALLOCA(sz);
+	if (lmask == NULL || zmask == NULL)
+		return (-ENOMEM);
+
+	bzero(zmask, sz);
+
+	if (uucopy((void *)maskp, lmask, sz) != 0)
+		return (-EFAULT);
+
+	if (bcmp(lmask, zmask, sz) != 0)
+		return (sz);
+
+	for (i = 0; i < sz * 8; i++) {
+		if (p_online(i, P_STATUS) != -1) {
+			lmask[BITINDEX(i)] |= BITSHIFT(i);
+		}
+	}
+
+	if (uucopy(lmask, (void *)maskp, sz) != 0)
+		return (-EFAULT);
+
+	return (sz);
+}
+
+/* ARGSUSED */
+long
+lx_sched_setaffinity(uintptr_t pid, uintptr_t len, uintptr_t maskp)
+{
+	int		ret;
+	int		sz;
+	int		i;
+	int		found;
+	uint_t		*lmask;
+	pid_t		s_pid;
+	lwpid_t		s_tid;
+	processorid_t	cpuid = NULL;
+
+	if ((pid_t)pid < 0)
+		return (-EINVAL);
+
+	if (lx_lpid_to_spair(pid, &s_pid, &s_tid) < 0)
+		return (-ESRCH);
+
+	/*
+	 * We only support setting affinity masks for threads in
+	 * the calling process.
+	 */
+	if (s_pid != getpid())
+		return (-EPERM);
+
+	/*
+	 * First, get the minimum bitmask size from the kernel.
+	 */
+	sz = syscall(SYS_brand, B_GET_AFFINITY_MASK, 0, 0, 0);
+	if (sz == -1)
+		return (-errno);
+
+	lmask = SAFE_ALLOCA(sz);
+	if (lmask == NULL)
+		return (-ENOMEM);
+
+	if (uucopy((void *)maskp, lmask, sz) != 0)
+		return (-EFAULT);
+
+	/*
+	 * Make sure the mask contains at least one processor that is
+	 * physically on the system. Reduce the user's mask to the set of
+	 * physically present CPUs. Keep track of how many valid
+	 * bits are set in the user's mask.
+	 */
+
+	for (found = 0, i = 0; i < sz * 8; i++) {
+		if (p_online(i, P_STATUS) == -1) {
+			/*
+			 * This CPU doesn't exist, so clear this bit from
+			 * the user's mask.
+			 */
+			lmask[BITINDEX(i)] &= ~BITSHIFT(i);
+			continue;
+		}
+
+		if ((lmask[BITINDEX(i)] & BITSHIFT(i)) == BITSHIFT(i)) {
+			found++;
+			cpuid = i;
+		}
+	}
+
+	if (found == 0) {
+		lx_debug("\tlx_sched_setaffinity: mask has no present CPUs\n");
+		return (-EINVAL);
+	}
+
+	/*
+	 * If only one bit is set, bind the thread to that procesor;
+	 * otherwise, clear the binding.
+	 */
+	if (found == 1) {
+		lx_debug("\tlx_sched_setaffinity: binding thread %d to cpu%d\n",
+		    s_tid, cpuid);
+		if (processor_bind(P_LWPID, s_tid, cpuid, NULL) != 0)
+			/*
+			 * It could be that the requested processor is offline,
+			 * so we'll just abandon our good-natured attempt to
+			 * bind to it.
+			 */
+			lx_debug("couldn't bind LWP %d to cpu %d: %s\n", s_tid,
+			    cpuid, strerror(errno));
+	} else {
+		lx_debug("\tlx_sched_setaffinity: clearing thr %d binding\n",
+		    s_tid);
+		if (processor_bind(P_LWPID, s_tid, PBIND_NONE, NULL) != 0) {
+			lx_debug("couldn't clear CPU binding for LWP %d: %s\n",
+			    s_tid, strerror(errno));
+		}
+	}
+
+	/*
+	 * Finally, ask the kernel to make a note of our current (though fairly
+	 * meaningless) affinity mask.
+	 */
+	ret = syscall(SYS_brand, B_SET_AFFINITY_MASK, pid, sz, lmask);
+
+	return ((ret == 0) ? 0 : -errno);
+}
+
+long
+lx_sched_getparam(uintptr_t pid, uintptr_t param)
+{
+	int	policy, ret;
+	pid_t	s_pid;
+	lwpid_t	s_tid;
+
+	struct sched_param sp;
+
+	if (((pid_t)pid < 0) || (param == NULL))
+		return (-EINVAL);
+
+	if (lx_lpid_to_spair((pid_t)pid, &s_pid, &s_tid) < 0)
+		return (-ESRCH);
+
+	/*
+	 * If we're attempting to get information on our own process, we can
+	 * get data on a per-thread basis; if not, punt and use the specified
+	 * pid.
+	 */
+	if (s_pid == getpid()) {
+		if ((ret = pthread_getschedparam(s_tid, &policy, &sp)) != 0)
+			return (-ret);
+	} else {
+		if (sched_getparam(s_pid, &sp) == -1)
+			return (-errno);
+
+		if ((policy = sched_getscheduler(s_pid)) < 0)
+			return (-errno);
+	}
+
+	/*
+	 * Make sure that any non-SCHED_FIFO non-SCHED_RR scheduler is mapped
+	 * onto SCHED_OTHER.
+	 */
+	if (policy != SCHED_FIFO && policy != SCHED_RR)
+		policy = SCHED_OTHER;
+
+	return (stol_sparam(policy, &sp, (struct lx_sched_param *)param));
+}
+
+long
+lx_sched_setparam(uintptr_t pid, uintptr_t param)
+{
+	int	err, policy;
+	pid_t	s_pid;
+	lwpid_t	s_tid;
+	struct lx_sched_param lp;
+	struct sched_param sp;
+
+	if (((pid_t)pid < 0) || (param == NULL))
+		return (-EINVAL);
+
+	if (lx_lpid_to_spair((pid_t)pid, &s_pid, &s_tid) < 0)
+		return (-ESRCH);
+
+	if (s_pid == getpid()) {
+		struct sched_param dummy;
+
+		if ((err = pthread_getschedparam(s_tid, &policy, &dummy)) != 0)
+			return (-err);
+	} else
+		if ((policy = sched_getscheduler(s_pid)) < 0)
+			return (-errno);
+
+	lx_debug("sched_setparam(): current policy %d", policy);
+
+	if (uucopy((void *)param, &lp, sizeof (lp)) != 0)
+		return (-errno);
+
+	/*
+	 * In Linux, the only valid SCHED_OTHER scheduler priority is 0
+	 */
+	if ((policy == SCHED_OTHER) && (lp.lx_sched_prio != 0))
+		return (-EINVAL);
+
+	if ((err = ltos_sparam(policy, (struct lx_sched_param *)&lp,
+	    &sp)) != 0)
+		return (err);
+
+	/*
+	 * Check if we're allowed to change the scheduler for the process.
+	 *
+	 * If we're operating on a thread, we can't just call
+	 * pthread_setschedparam() because as all threads reside within a
+	 * single Solaris process, Solaris will allow the modification
+	 *
+	 * If we're operating on a process, we can't just call sched_setparam()
+	 * because Solaris will allow the call to succeed if the scheduler
+	 * parameters do not differ from those being installed, but Linux wants
+	 * the call to fail.
+	 */
+	if ((err = check_schedperms(s_pid)) != 0)
+		return (err);
+
+	if (s_pid == getpid())
+		return (((err = pthread_setschedparam(s_tid, policy, &sp)) != 0)
+		    ? -err : 0);
+
+	return ((sched_setparam(s_pid, &sp) == -1) ? -errno : 0);
+}
+
+long
+lx_sched_rr_get_interval(uintptr_t pid, uintptr_t timespec)
+{
+	struct timespec ts;
+	pid_t	s_pid;
+
+	if ((pid_t)pid < 0)
+		return (-EINVAL);
+
+	if (lx_lpid_to_spid((pid_t)pid, &s_pid) < 0)
+		return (-ESRCH);
+
+	if (uucopy((struct timespec *)timespec, &ts,
+	    sizeof (struct timespec)) != 0)
+		return (-errno);
+
+	return ((sched_rr_get_interval(s_pid, &ts) == -1) ? -errno : 0);
+}
+
+long
+lx_sched_getscheduler(uintptr_t pid)
+{
+	int	policy, rv;
+	pid_t	s_pid;
+	lwpid_t	s_tid;
+
+	if ((pid_t)pid < 0)
+		return (-EINVAL);
+
+	if (lx_lpid_to_spair((pid_t)pid, &s_pid, &s_tid) < 0)
+		return (-ESRCH);
+
+	if (s_pid == getpid()) {
+		struct sched_param dummy;
+
+		if ((rv = pthread_getschedparam(s_tid, &policy, &dummy)) != 0)
+			return (-rv);
+	} else
+		if ((policy = sched_getscheduler(s_pid)) < 0)
+			return (-errno);
+
+	/*
+	 * Linux only supports certain policies; avoid confusing apps with
+	 * alien policies.
+	 */
+	switch (policy) {
+	case SCHED_FIFO:
+		return (LX_SCHED_FIFO);
+	case SCHED_OTHER:
+		return (LX_SCHED_OTHER);
+	case SCHED_RR:
+		return (LX_SCHED_RR);
+	default:
+		break;
+	}
+
+	return (LX_SCHED_OTHER);
+}
+
+long
+lx_sched_setscheduler(uintptr_t pid, uintptr_t policy, uintptr_t param)
+{
+	int	rt_pol;
+	int	rv;
+	pid_t	s_pid;
+	lwpid_t	s_tid;
+	struct lx_sched_param lp;
+
+	struct sched_param sp;
+
+	if (((pid_t)pid < 0) || (param == NULL))
+		return (-EINVAL);
+
+	if ((rt_pol = validate_policy((int)policy)) < 0)
+		return (rt_pol);
+
+	if ((rv = ltos_sparam(policy, (struct lx_sched_param *)param,
+	    &sp)) != 0)
+		return (rv);
+
+	if (uucopy((void *)param, &lp, sizeof (lp)) != 0)
+		return (-errno);
+
+	if (rt_pol == LX_SCHED_OTHER) {
+		/*
+		 * In Linux, the only valid SCHED_OTHER scheduler priority is 0
+		 */
+		if (lp.lx_sched_prio != 0)
+			return (-EINVAL);
+
+		/*
+		 * If we're already SCHED_OTHER, there's nothing else to do.
+		 */
+		if (lx_sched_getscheduler(pid) == LX_SCHED_OTHER)
+			return (0);
+	}
+
+	if (lx_lpid_to_spair((pid_t)pid, &s_pid, &s_tid) < 0)
+		return (-ESRCH);
+
+	/*
+	 * Check if we're allowed to change the scheduler for the process.
+	 *
+	 * If we're operating on a thread, we can't just call
+	 * pthread_setschedparam() because as all threads reside within a
+	 * single Solaris process, Solaris will allow the modification.
+	 *
+	 * If we're operating on a process, we can't just call
+	 * sched_setscheduler() because Solaris will allow the call to succeed
+	 * if the scheduler and scheduler parameters do not differ from those
+	 * being installed, but Linux wants the call to fail.
+	 */
+	if ((rv = check_schedperms(s_pid)) != 0)
+		return (rv);
+
+	if (s_pid == getpid()) {
+		struct sched_param param;
+		int pol;
+
+		if ((pol = sched_getscheduler(s_pid)) == -1)
+			return (-errno);
+
+		/*
+		 * sched_setscheduler() returns the previous scheduling policy
+		 * on success, so call pthread_getschedparam() to get the
+		 * current thread's scheduling policy and return that if the
+		 * call to pthread_setschedparam() succeeds.
+		 */
+		if ((rv = pthread_getschedparam(s_tid, &pol, &param)) != 0)
+			return (-rv);
+
+		return (((rv = pthread_setschedparam(s_tid, rt_pol, &sp)) != 0)
+		    ? -rv : pol);
+	}
+
+	return (((rv = sched_setscheduler(s_pid, rt_pol, &sp)) == -1)
+	    ? -errno : rv);
+}
+
+long
+lx_sched_get_priority_min(uintptr_t policy)
+{
+	/*
+	 * In Linux, the only valid SCHED_OTHER scheduler priority is 0.
+	 * Linux scheduling priorities are not alterable, so there is no
+	 * Solaris translation necessary.
+	 */
+	switch (policy) {
+	case LX_SCHED_FIFO:
+	case LX_SCHED_RR:
+		return (LX_SCHED_PRIORITY_MIN_RRFIFO);
+	case LX_SCHED_OTHER:
+		return (LX_SCHED_PRIORITY_MIN_OTHER);
+	default:
+		break;
+	}
+	return (-EINVAL);
+}
+
+long
+lx_sched_get_priority_max(uintptr_t policy)
+{
+	/*
+	 * In Linux, the only valid SCHED_OTHER scheduler priority is 0
+	 * Linux scheduling priorities are not alterable, so there is no
+	 * Solaris translation necessary.
+	 */
+	switch (policy) {
+	case LX_SCHED_FIFO:
+	case LX_SCHED_RR:
+		return (LX_SCHED_PRIORITY_MAX_RRFIFO);
+	case LX_SCHED_OTHER:
+		return (LX_SCHED_PRIORITY_MAX_OTHER);
+	default:
+		break;
+	}
+	return (-EINVAL);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/sendfile.c b/usr/src/lib/brand/lx/lx_brand/common/sendfile.c
new file mode 100644
index 0000000000..319f51038f
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/sendfile.c
@@ -0,0 +1,129 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * lx_sendfile() and lx_sendfile64() are primarily branded versions of the
+ * library calls available in the Solaris libsendfile (see sendfile(3EXT)).
+ */
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <sys/sendfile.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_syscall.h>
+
+#if defined(_ILP32)
+long
+lx_sendfile(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4)
+{
+	sysret_t rval;
+	off_t off = 0;
+	off_t *offp = (off_t *)p3;
+	int error;
+	struct sendfilevec sfv;
+	size_t xferred;
+	size_t sz = (size_t)p4;
+
+	if (offp == NULL) {
+		/* If no offp, we must use the current offset */
+		if ((off = lseek((int)p2, 0, SEEK_CUR)) == -1)
+			return (-errno);
+	} else {
+		if (sz > 0 && uucopy(offp, &off, sizeof (off)) != 0)
+			return (-errno);
+		if (off < 0)
+			return (-EINVAL);
+	}
+
+	sfv.sfv_fd = p2;
+	sfv.sfv_flag = 0;
+	sfv.sfv_off = off;
+	sfv.sfv_len = sz;
+	error = __systemcall(&rval, SYS_sendfilev, SENDFILEV, p1, &sfv,
+	    1, &xferred);
+
+	if (error == 0 && xferred > 0) {
+		if (offp == NULL) {
+			/* If no offp, we must adjust current offset */
+			if (lseek((int)p2, xferred, SEEK_CUR) == -1)
+				return (-errno);
+		} else {
+			off += xferred;
+			error = uucopy(&off, offp, sizeof (off));
+		}
+	}
+
+	return (error ? -error : (int)rval.sys_rval1);
+}
+#endif
+
+long
+lx_sendfile64(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4)
+{
+	sysret_t rval;
+	off64_t off = 0;
+	off64_t *offp = (off64_t *)p3;
+	size_t sz = (size_t)p4;
+	int error;
+	struct sendfilevec64 sfv;
+	size_t xferred;
+
+	if (offp == NULL) {
+		/* If no offp, we must use the current offset */
+		if ((off = lseek((int)p2, 0, SEEK_CUR)) == -1)
+			return (-errno);
+	} else {
+		if (sz > 0 && uucopy(offp, &off, sizeof (off)) != 0)
+			return (-errno);
+		if (off < 0)
+			return (-EINVAL);
+	}
+
+	sfv.sfv_fd = p2;
+	sfv.sfv_flag = 0;
+	sfv.sfv_off = off;
+	sfv.sfv_len = sz;
+	xferred = 0;
+	error = __systemcall(&rval, SYS_sendfilev, SENDFILEV64, p1, &sfv,
+	    1, &xferred);
+
+	if (error == 0 && xferred > 0) {
+		if (offp == NULL) {
+			/* If no offp, we must adjust current offset */
+			if (lseek((int)p2, xferred, SEEK_CUR) == -1)
+				return (-errno);
+		} else {
+			off += xferred;
+			error = uucopy(&off, offp, sizeof (off));
+		}
+	}
+
+	return (error ? -error : (int)rval.sys_rval1);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/signal.c b/usr/src/lib/brand/lx/lx_brand/common/signal.c
new file mode 100644
index 0000000000..02296296bd
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/signal.c
@@ -0,0 +1,2570 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc. All rights reserved.
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/segments.h>
+#include <sys/lx_types.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_poll.h>
+#include <sys/lx_signal.h>
+#include <sys/lx_sigstack.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_thread.h>
+#include <sys/syscall.h>
+#include <lx_provider_impl.h>
+#include <sys/stack.h>
+#include <assert.h>
+#include <errno.h>
+#include <poll.h>
+#include <rctl.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <thread.h>
+#include <ucontext.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <libintl.h>
+#include <ieeefp.h>
+
+#if defined(_ILP32)
+extern int pselect_large_fdset(int nfds, fd_set *in0, fd_set *out0, fd_set *ex0,
+	const timespec_t *tsp, const sigset_t *sp);
+#endif
+
+#define	MIN(a, b)	((a) < (b) ? (a) : (b))
+
+/*
+ * Delivering signals to a Linux process is complicated by differences in
+ * signal numbering, stack structure and contents, and the action taken when a
+ * signal handler exits.  In addition, many signal-related structures, such as
+ * sigset_ts, vary between Illumos and Linux.
+ *
+ * To support user-level signal handlers, the brand uses a double layer of
+ * indirection to process and deliver signals to branded threads.
+ *
+ * When a Linux process sends a signal using the kill(2) system call, we must
+ * translate the signal into the Illumos equivalent before handing control off
+ * to the standard signalling mechanism.  When a signal is delivered to a Linux
+ * process, we translate the signal number from Illumos to back to Linux.
+ * Translating signals both at generation and delivery time ensures both that
+ * Illumos signals are sent properly to Linux applications and that signals'
+ * default behavior works as expected.
+ *
+ * In a normal Illumos process, signal delivery is interposed on for any thread
+ * registering a signal handler by libc. Libc needs to do various bits of magic
+ * to provide thread-safe critical regions, so it registers its own handler,
+ * named sigacthandler(), using the sigaction(2) system call. When a signal is
+ * received, sigacthandler() is called, and after some processing, libc turns
+ * around and calls the user's signal handler via a routine named
+ * call_user_handler().
+ *
+ * Adding a Linux branded thread to the mix complicates things somewhat.
+ *
+ * First, when a thread receives a signal, it may either be running in an
+ * emulated Linux context or a native illumos context.  In either case, the
+ * in-kernel brand module is responsible for preserving the register state
+ * from the interrupted context, regardless of whether emulated or native
+ * software was running at the time.  The kernel is also responsible for
+ * ensuring that the illumos native sigacthandler() is called with register
+ * values appropriate for native code.  Of particular note is the %gs segment
+ * selector for 32-bit code, and the %fsbase segment base register for 64-bit
+ * code; these are used by libc to locate per-thread data structures.
+ *
+ * Second, the signal number translation referenced above must take place.
+ * Finally, when we hand control to the Linux signal handler we must do so
+ * on the brand stack, and with registers configured appropriately for the
+ * Linux application.
+ *
+ * This need to translate signal numbers (and manipulate the signal handling
+ * context) means that with standard Illumos libc, following a signal from
+ * generation to delivery looks something like:
+ *
+ * 	kernel ->
+ *	    sigacthandler() ->
+ *		call_user_handler() ->
+ *		    user signal handler
+ *
+ * but for the brand's Linux threads, this would look like:
+ *
+ *	kernel ->
+ *	    sigacthandler() ->
+ *		call_user_handler() ->
+ *		    lx_call_user_handler() ->
+ *			lx_sigdeliver() ->
+ *			    syscall(B_JUMP_TO_LINUX, ...) ->
+ *				Linux user signal handler
+ *
+ * The new addtions are:
+ *
+ * 	lx_call_user_handler
+ *	====================
+ *	This routine is responsible for translating Illumos signal numbers to
+ *	their Linux equivalents, building a Linux signal stack based on the
+ * 	information Illumos has provided, and passing the stack to the
+ *	registered Linux signal handler. It is, in effect, the Linux thread
+ *	equivalent to libc's call_user_handler().
+ *
+ * 	lx_sigdeliver
+ *	=============
+ *
+ * Note that none of this interposition is necessary unless a Linux thread
+ * registers a user signal handler, as the default action for all signals is the
+ * same between Illumos and Linux save for one signal, SIGPWR.  For this reason,
+ * the brand ALWAYS installs its own internal signal handler for SIGPWR that
+ * translates the action to the Linux default, to terminate the process.
+ * (Illumos' default action is to ignore SIGPWR.)
+ *
+ * It is also important to note that when signals are not translated, the brand
+ * relies upon code interposing upon the wait(2) system call to translate
+ * signals to their proper values for any Linux threads retrieving the status
+ * of others.  So while the Illumos signal number for a particular signal is set
+ * in a process' data structures (and would be returned as the result of say,
+ * WTERMSIG()), the brand's interposiiton upon wait(2) is responsible for
+ * translating the value WTERMSIG() would return from a Illumos signal number
+ * to the appropriate Linux value.
+ *
+ * lx_call_user_handler() calls lx_sigdeliver() with a helper function
+ * (typically lx_build_signal_frame) which builds a stack frame for the 32-bit
+ * Linux signal handler, or populates a local (on the stack) structure for the
+ * 64-bit Linux signal handler. The stack at that time looks like this:
+ *
+ * 	=========================================================
+ * |	| lx_sigdeliver_frame_t -- includes LX_SIGRT_MAGIC and	|
+ * |	| a return context for the eventual sigreturn(2) call	|
+ * | 	=========================================================
+ * |	| Linux signal frame (32-bit) or local data		|
+ * V	| (64-bit) built by stack_builder()			|
+ * 	=========================================================
+ *
+ * The process of returning to an interrupted thread of execution from a user
+ * signal handler is entirely different between Illumos and Linux.  While
+ * Illumos generally expects to set the context to the interrupted one on a
+ * normal return from a signal handler, in the normal case Linux instead calls
+ * code that calls a specific Linux system call, rt_sigreturn(2) (or it also
+ * can call sigreturn(2) in 32-bit code).  Thus when a Linux signal handler
+ * completes execution, instead of returning through what would in libc be a
+ * call to setcontext(2), the rt_sigreturn(2) Linux system call is responsible
+ * for accomplishing much the same thing. It's for this reason that the stack
+ * frame we build has the lx_(rt_)sigreturn_tramp code on the top of the
+ * stack.  The code looks like this:
+ *
+ *	32-bit					64-bit
+ *	--------------------------------	-----------------------------
+ *	mov LX_SYS_rt_sigreturn, %eax		movq LX_SYS_rt_sigreturn, %rax
+ *	int $0x80				syscall
+ *
+ * We also use these same functions (lx_rt_sigreturn_tramp or
+ * lx_sigreturn_tramp) to actually return from the signal handler.
+ *
+ * (Note that this trampoline code actually lives in a proper executable segment
+ * and not on the stack, but gdb checks for the exact code sequence of the
+ * trampoline code on the stack to determine whether it is in a signal stack
+ * frame or not.  Really.)
+ *
+ * When the 32-bit Linux user signal handler is eventually called, the brand
+ * stack frame looks like this (in the case of a "modern" signal stack; see
+ * the lx_sigstack structure definition):
+ *
+ *	=========================================================
+ * |	| lx_sigdeliver_frame_t					|
+ * |	=========================================================
+ * |	| Trampoline code (marker for gdb, not really executed)	|
+ * |	=========================================================
+ * |	| Linux struct _fpstate					|
+ * |	=========================================================
+ * V	| Linux ucontext_t					| <--+
+ *	=========================================================    |
+ *	| Linux siginfo_t					| <--|-----+
+ *	=========================================================    |     |
+ *	| Pointer to Linux ucontext_t (or NULL)	(sigaction arg2)| ---+     |
+ *	=========================================================          |
+ *	| Pointer to Linux siginfo_t (or NULL)  (sigaction arg1)| ---------+
+ *	=========================================================
+ *	| Linux signal number                   (sigaction arg0)|
+ *	=========================================================
+ *	| Pointer to signal return code (trampoline code)	|
+ *	=========================================================
+ *
+ * The 64-bit stack-local data looks like this:
+ *
+ *	=========================================================
+ * |	| lx_sigdeliver_frame_t					|
+ * |	=========================================================
+ * |	| Trampoline code (marker for gdb, not really executed)	|
+ * |	=========================================================
+ * |	| Linux struct _fpstate					|
+ * |	=========================================================
+ * V	| Linux ucontext_t					| %rdx arg2
+ *	=========================================================
+ *	| Linux siginfo_t					| %rsi arg1
+ *	=========================================================
+ *	| Pointer to signal return code (trampoline code)	|
+ *	=========================================================
+ *
+ * As usual in 64-bit code, %rdi is arg0 which is the signal number.
+ *
+ * The *sigreturn(2) family of emulated system call handlers locates the
+ * "lx_sigdeliver_frame_t" struct on the Linux stack as part of processing
+ * the system call.  This object contains a guard value (LX_SIGRT_MAGIC) to
+ * detect stack smashing or an incorrect stack pointer.  It also contains a
+ * "return" context, which we use to get back to the "lx_sigdeliver()" frame
+ * on the native stack that originally dispatched to the Linux signal
+ * handler.  The lx_sigdeliver() function is then able to return to the
+ * native libc signal handler in the usual way.  This results in a further
+ * setcontext() back to whatever was running when we took the signal.
+ *
+ * There are some edge cases where the "return" context cannot be located
+ * by inspection of the Linux stack; e.g. if the guard value has been
+ * corrupted, or the emulated program has relocated parts of the signal
+ * delivery stack frame.  If this case is detected, a fallback mechanism is
+ * used to attempt to find the return context.  A chain of "lx_sigbackup_t"
+ * objects is maintained in signal interposer call frames, with the current
+ * head stored in the thread-specific "lx_tsd_t".  This mechanism is
+ * similar in principle to the "lwp_oldcontext" member of the "klwp_t" used
+ * by the native signal handling infrastructure.  This backup chain is used
+ * by the sigreturn(2) family of emulated system calls in the event that
+ * the Linux stack did not correctly reference a return context.
+ */
+
+typedef struct lx_sigdeliver_frame {
+	uintptr_t lxsdf_magic;
+	ucontext_t *lxsdf_retucp;
+	ucontext_t *lxsdf_sigucp;
+	lx_sigbackup_t *lxsdf_sigbackup;
+} lx_sigdeliver_frame_t;
+
+struct lx_oldsigstack {
+	void (*retaddr)();	/* address of real lx_sigreturn code */
+	int sig;		/* signal number */
+	lx_sigcontext_t sigc;	/* saved user context */
+	lx_fpstate_t fpstate;	/* saved FP state */
+	int sig_extra;		/* signal mask for signals [32 .. NSIG - 1] */
+	char trampoline[8];	/* code for trampoline to lx_sigreturn() */
+};
+
+/*
+ * The lx_sighandlers structure needs to be a global due to the semantics of
+ * clone().
+ *
+ * If CLONE_SIGHAND is set, the calling process and child share signal
+ * handlers, and if either calls sigaction(2) it should change the behavior
+ * in the other thread.  Each thread does, however, have its own signal mask
+ * and set of pending signals.
+ *
+ * If CLONE_SIGHAND is not set, the child process should inherit a copy of
+ * the signal handlers at the time of the clone() but later calls to
+ * sigaction(2) should only affect the individual thread calling it.
+ *
+ * This maps perfectly to a thr_create(3C) thread semantic in the first
+ * case and a fork(2)-type semantic in the second case.  By making
+ * lx_sighandlers global, we automatically get the correct behavior.
+ */
+static lx_sighandlers_t lx_sighandlers;
+
+/*
+ * Setting LX_NO_ABORT_HANDLER in the environment will prevent the emulated
+ * Linux program from modifying the signal handling disposition for SIGSEGV or
+ * SIGABRT.  Useful for debugging programs which fall over themselves to
+ * prevent useful core files being generated.
+ */
+static int lx_no_abort_handler = 0;
+
+static void lx_sigdeliver(int, siginfo_t *, ucontext_t *, size_t, void (*)(),
+    void (*)(), struct lx_sigaction *);
+
+/*
+ * Cache result of process.max-file-descriptor to avoid calling getrctl()
+ * for each lx_ppoll().
+ */
+static rlim_t maxfd = 0;
+
+/*
+ * stol_stack() and ltos_stack() convert between Illumos and Linux stack_t
+ * structures.
+ *
+ * These routines are needed because although the two structures have the same
+ * contents, their contents are declared in a different order, so the content
+ * of the structures cannot be copied with a simple bcopy().
+ */
+static void
+stol_stack(stack_t *fr, lx_stack_t *to)
+{
+	to->ss_sp = fr->ss_sp;
+	to->ss_flags = fr->ss_flags;
+	to->ss_size = fr->ss_size;
+}
+
+static void
+ltos_stack(lx_stack_t *fr, stack_t *to)
+{
+	to->ss_sp = fr->ss_sp;
+	to->ss_flags = fr->ss_flags;
+	to->ss_size = fr->ss_size;
+}
+
+static int
+ltos_sigset(lx_sigset_t *lx_sigsetp, sigset_t *s_sigsetp)
+{
+	lx_sigset_t l;
+	int lx_sig, sig;
+
+	if (uucopy(lx_sigsetp, &l, sizeof (lx_sigset_t)) != 0)
+		return (-errno);
+
+	(void) sigemptyset(s_sigsetp);
+
+	for (lx_sig = 1; lx_sig <= LX_NSIG; lx_sig++) {
+		if (lx_sigismember(&l, lx_sig) &&
+		    ((sig = ltos_signo[lx_sig]) > 0))
+			(void) sigaddset(s_sigsetp, sig);
+	}
+
+	return (0);
+}
+
+static int
+stol_sigset(sigset_t *s_sigsetp, lx_sigset_t *lx_sigsetp)
+{
+	lx_sigset_t l;
+	int sig, lx_sig;
+
+	bzero(&l, sizeof (lx_sigset_t));
+
+	for (sig = 1; sig < NSIG; sig++) {
+		if (sigismember(s_sigsetp, sig) &&
+		    ((lx_sig = stol_signo[sig]) > 0))
+			lx_sigaddset(&l, lx_sig);
+	}
+
+	return ((uucopy(&l, lx_sigsetp, sizeof (lx_sigset_t)) != 0)
+	    ? -errno : 0);
+}
+
+#if defined(_ILP32)
+static int
+ltos_osigset(lx_osigset_t *lx_osigsetp, sigset_t *s_sigsetp)
+{
+	lx_osigset_t lo;
+	int lx_sig, sig;
+
+	if (uucopy(lx_osigsetp, &lo, sizeof (lx_osigset_t)) != 0)
+		return (-errno);
+
+	(void) sigemptyset(s_sigsetp);
+
+	for (lx_sig = 1; lx_sig <= OSIGSET_NBITS; lx_sig++)
+		if ((lo & OSIGSET_BITSET(lx_sig)) &&
+		    ((sig = ltos_signo[lx_sig]) > 0))
+			(void) sigaddset(s_sigsetp, sig);
+
+	return (0);
+}
+
+static int
+stol_osigset(sigset_t *s_sigsetp, lx_osigset_t *lx_osigsetp)
+{
+	lx_osigset_t lo = 0;
+	int lx_sig, sig;
+
+	/*
+	 * Note that an lx_osigset_t can only represent the signals from
+	 * [1 .. OSIGSET_NBITS], so even though a signal may be present in the
+	 * Illumos sigset_t, it may not be representable as a bit in the
+	 * lx_osigset_t.
+	 */
+	for (sig = 1; sig < NSIG; sig++)
+		if (sigismember(s_sigsetp, sig) &&
+		    ((lx_sig = stol_signo[sig]) > 0) &&
+		    (lx_sig <= OSIGSET_NBITS))
+			lo |= OSIGSET_BITSET(lx_sig);
+
+	return ((uucopy(&lo, lx_osigsetp, sizeof (lx_osigset_t)) != 0)
+	    ? -errno : 0);
+}
+#endif
+
+static int
+ltos_sigcode(int si_code)
+{
+	switch (si_code) {
+		case LX_SI_USER:
+			return (SI_USER);
+		case LX_SI_TKILL:
+			return (SI_LWP);
+		case LX_SI_QUEUE:
+			return (SI_QUEUE);
+		case LX_SI_TIMER:
+			return (SI_TIMER);
+		case LX_SI_ASYNCIO:
+			return (SI_ASYNCIO);
+		case LX_SI_MESGQ:
+			return (SI_MESGQ);
+		default:
+			return (LX_SI_CODE_NOT_EXIST);
+	}
+}
+
+int
+stol_siginfo(siginfo_t *siginfop, lx_siginfo_t *lx_siginfop)
+{
+	int ret = 0;
+	lx_siginfo_t lx_siginfo;
+
+	bzero(&lx_siginfo, sizeof (*lx_siginfop));
+
+	if ((lx_siginfo.lsi_signo = stol_signo[siginfop->si_signo]) <= 0) {
+		/*
+		 * Depending on the caller we may still need to get a usable
+		 * converted siginfo struct.
+		 */
+		lx_siginfo.lsi_signo = LX_SIGKILL;
+		errno = EINVAL;
+		ret = -1;
+	}
+
+	lx_siginfo.lsi_code = lx_stol_sigcode(siginfop->si_code);
+	lx_siginfo.lsi_errno = siginfop->si_errno;
+
+	switch (lx_siginfo.lsi_signo) {
+		/*
+		 * Semantics ARE defined for SIGKILL, but since
+		 * we can't catch it, we can't translate it. :-(
+		 */
+		case LX_SIGPOLL:
+			lx_siginfo.lsi_band = siginfop->si_band;
+			lx_siginfo.lsi_fd = siginfop->si_fd;
+			break;
+
+		case LX_SIGCHLD:
+			lx_siginfo.lsi_pid = siginfop->si_pid;
+			if (siginfop->si_code <= 0 || siginfop->si_code ==
+			    CLD_EXITED) {
+				lx_siginfo.lsi_status = siginfop->si_status;
+			} else {
+				lx_siginfo.lsi_status = lx_stol_status(
+				    siginfop->si_status, -1);
+			}
+			lx_siginfo.lsi_utime = siginfop->si_utime;
+			lx_siginfo.lsi_stime = siginfop->si_stime;
+			break;
+
+		case LX_SIGILL:
+		case LX_SIGBUS:
+		case LX_SIGFPE:
+		case LX_SIGSEGV:
+			lx_siginfo.lsi_addr = siginfop->si_addr;
+			break;
+
+		default:
+			lx_siginfo.lsi_pid = siginfop->si_pid;
+			lx_siginfo.lsi_uid =
+			    LX_UID32_TO_UID16(siginfop->si_uid);
+			break;
+	}
+
+	if (uucopy(&lx_siginfo, lx_siginfop, sizeof (lx_siginfo_t)) != 0)
+		return (-errno);
+	return ((ret != 0) ? -errno : 0);
+}
+
+static void
+stol_fpstate(fpregset_t *fpr, lx_fpstate_t *lfpr)
+{
+	size_t copy_len;
+
+#if defined(_LP64)
+	/*
+	 * The 64-bit Illumos struct fpregset_t and lx_fpstate_t are identical
+	 * so just bcopy() those entries (see usr/src/uts/intel/sys/regset.h
+	 * for __amd64's struct fpu).
+	 */
+	copy_len = sizeof (fpr->fp_reg_set.fpchip_state);
+	bcopy(fpr, lfpr, copy_len);
+
+#else /* is _ILP32 */
+	struct _fpstate *fpsp = (struct _fpstate *)fpr;
+
+	/*
+	 * The Illumos struct _fpstate and lx_fpstate_t are identical from the
+	 * beginning of the structure to the lx_fpstate_t "magic" field, so
+	 * just bcopy() those entries.
+	 */
+	copy_len = (size_t)&(((lx_fpstate_t *)0)->magic);
+	bcopy(fpsp, lfpr, copy_len);
+
+	/*
+	 * These fields are all only significant for the first 16 bits.
+	 */
+	lfpr->cw &= 0xffff;		/* x87 control word */
+	lfpr->tag &= 0xffff;		/* x87 tag word */
+	lfpr->cssel &= 0xffff;		/* cs selector */
+	lfpr->datasel &= 0xffff;	/* ds selector */
+
+	/*
+	 * Linux wants the x87 status word field to contain the value of the
+	 * x87 saved exception status word.
+	 */
+	lfpr->sw = lfpr->status & 0xffff;	/* x87 status word */
+
+	lfpr->mxcsr = fpsp->mxcsr;
+
+	if (fpsp->mxcsr != 0) {
+		/*
+		 * Linux uses the "magic" field to denote whether the XMM
+		 * registers contain legal data or not.  Since we can't get to
+		 * %cr4 from userland to check the status of the OSFXSR bit,
+		 * check the mxcsr field to see if it's 0, which it should
+		 * never be on a system with the OXFXSR bit enabled.
+		 */
+		lfpr->magic = LX_X86_FXSR_MAGIC;
+		bcopy(fpsp->xmm, lfpr->_xmm, sizeof (lfpr->_xmm));
+	} else {
+		lfpr->magic = LX_X86_FXSR_NONE;
+	}
+#endif
+}
+
+static void
+ltos_fpstate(lx_fpstate_t *lfpr, fpregset_t *fpr)
+{
+	size_t copy_len;
+
+#if defined(_LP64)
+	/*
+	 * The 64-bit Illumos struct fpregset_t and lx_fpstate_t are identical
+	 * so just bcopy() those entries (see usr/src/uts/intel/sys/regset.h
+	 * for __amd64's struct fpu).
+	 */
+	copy_len = sizeof (fpr->fp_reg_set.fpchip_state);
+	bcopy(lfpr, fpr, copy_len);
+
+#else /* is _ILP32 */
+	struct _fpstate *fpsp = (struct _fpstate *)fpr;
+
+	/*
+	 * The lx_fpstate_t and Illumos struct _fpstate are identical from the
+	 * beginning of the structure to the struct _fpstate "mxcsr" field, so
+	 * just bcopy() those entries.
+	 *
+	 * Note that we do NOT have to propogate changes the user may have made
+	 * to the "status" word back to the "sw" word, unlike the way we have
+	 * to deal with processing the ESP and UESP register values on return
+	 * from a signal handler.
+	 */
+	copy_len = (size_t)&(((struct _fpstate *)0)->mxcsr);
+	bcopy(lfpr, fpsp, copy_len);
+
+	/*
+	 * These fields are all only significant for the first 16 bits.
+	 */
+	fpsp->cw &= 0xffff;		/* x87 control word */
+	fpsp->sw &= 0xffff;		/* x87 status word */
+	fpsp->tag &= 0xffff;		/* x87 tag word */
+	fpsp->cssel &= 0xffff;		/* cs selector */
+	fpsp->datasel &= 0xffff;	/* ds selector */
+	fpsp->status &= 0xffff;		/* saved status */
+
+	fpsp->mxcsr = lfpr->mxcsr;
+
+	if (lfpr->magic == LX_X86_FXSR_MAGIC)
+		bcopy(lfpr->_xmm, fpsp->xmm, sizeof (fpsp->xmm));
+#endif
+}
+
+/*
+ * We do not use the system sigaltstack() infrastructure as that would conflict
+ * with our handling of both system call emulation and native signals on the
+ * native stack.  Instead, we track the Linux stack structure in our
+ * thread-specific data.  This function is modeled on the behaviour of the
+ * native sigaltstack system call handler.
+ */
+long
+lx_sigaltstack(uintptr_t ssp, uintptr_t oss)
+{
+	lx_tsd_t *lxtsd = lx_get_tsd();
+	lx_stack_t ss;
+
+	if (ssp != NULL) {
+		if (lxtsd->lxtsd_sigaltstack.ss_flags & LX_SS_ONSTACK) {
+			/*
+			 * If we are currently using the installed alternate
+			 * stack for signal handling, the user may not modify
+			 * the stack for this thread.
+			 */
+			return (-EPERM);
+		}
+
+		if (uucopy((void *)ssp, &ss, sizeof (ss)) != 0) {
+			return (-EFAULT);
+		}
+
+		if (ss.ss_flags & ~LX_SS_DISABLE) {
+			/*
+			 * The user may not specify a value for flags other
+			 * than 0 or SS_DISABLE.
+			 */
+			return (-EINVAL);
+		}
+
+		if (!(ss.ss_flags & LX_SS_DISABLE) && ss.ss_size <
+		    LX_MINSIGSTKSZ) {
+			return (-ENOMEM);
+		}
+	}
+
+	if (oss != NULL) {
+		/*
+		 * User provided old and new stack_t pointers may point to
+		 * the same location.  Copy out before we modify.
+		 */
+		if (uucopy(&lxtsd->lxtsd_sigaltstack, (void *)oss,
+		    sizeof (lxtsd->lxtsd_sigaltstack)) != 0) {
+			return (-EFAULT);
+		}
+	}
+
+	if (ssp != NULL) {
+		lxtsd->lxtsd_sigaltstack = ss;
+	}
+
+	return (0);
+}
+
+#if defined(_ILP32)
+/*
+ * The following routines are needed because sigset_ts and siginfo_ts are
+ * different in format between Linux and Illumos.
+ *
+ * Note that there are two different lx_sigset structures, lx_sigset_ts and
+ * lx_osigset_ts:
+ *
+ *    + An lx_sigset_t is the equivalent of a Illumos sigset_t and supports
+ *	more than 32 signals.
+ *
+ *    + An lx_osigset_t is simply a uint32_t, so it by definition only supports
+ *	32 signals.
+ *
+ * When there are two versions of a routine, one prefixed with lx_rt_ and
+ * one prefixed with lx_ alone, in GENERAL the lx_rt_ routines deal with
+ * lx_sigset_ts while the lx_ routines deal with lx_osigset_ts.  Unfortunately,
+ * this is not always the case (e.g. lx_sigreturn() vs. lx_rt_sigreturn())
+ */
+long
+lx_sigpending(uintptr_t sigpend)
+{
+	sigset_t sigpendset;
+
+	if (sigpending(&sigpendset) != 0)
+		return (-errno);
+
+	return (stol_osigset(&sigpendset, (lx_osigset_t *)sigpend));
+}
+#endif
+
+long
+lx_rt_sigpending(uintptr_t sigpend, uintptr_t setsize)
+{
+	sigset_t sigpendset;
+
+	if ((size_t)setsize != sizeof (lx_sigset_t))
+		return (-EINVAL);
+
+	if (sigpending(&sigpendset) != 0)
+		return (-errno);
+
+	return (stol_sigset(&sigpendset, (lx_sigset_t *)sigpend));
+}
+
+/*
+ * Create a common routine to encapsulate all of the sigprocmask code,
+ * as the only difference between lx_sigprocmask() and lx_rt_sigprocmask()
+ * is the usage of lx_osigset_ts vs. lx_sigset_ts, as toggled in the code by
+ * the setting of the "sigset_type" flag.
+ */
+static int
+lx_sigprocmask_common(uintptr_t how, uintptr_t l_setp, uintptr_t l_osetp,
+    uintptr_t sigset_type)
+{
+	int err = 0;
+	sigset_t set, oset;
+	sigset_t *s_setp = NULL;
+	sigset_t *s_osetp;
+
+	if (l_setp) {
+		switch (how) {
+			case LX_SIG_BLOCK:
+				how = SIG_BLOCK;
+				break;
+
+			case LX_SIG_UNBLOCK:
+				how = SIG_UNBLOCK;
+				break;
+
+			case LX_SIG_SETMASK:
+				how = SIG_SETMASK;
+				break;
+
+			default:
+				return (-EINVAL);
+		}
+
+		s_setp = &set;
+
+		/* Only 32-bit code passes other than USE_SIGSET */
+		if (sigset_type == USE_SIGSET)
+			err = ltos_sigset((lx_sigset_t *)l_setp, s_setp);
+#if defined(_ILP32)
+		else
+			err = ltos_osigset((lx_osigset_t *)l_setp, s_setp);
+#endif
+
+		if (err != 0)
+			return (err);
+
+	}
+
+	s_osetp = (l_osetp ? &oset : NULL);
+
+	/*
+	 * In a multithreaded environment, a call to sigprocmask(2) should
+	 * only affect the current thread's signal mask so we don't need to
+	 * explicitly call thr_sigsetmask(3C) here.
+	 */
+	if (sigprocmask(how, s_setp, s_osetp) != 0)
+		return (-errno);
+
+	if (l_osetp) {
+		if (sigset_type == USE_SIGSET)
+			err = stol_sigset(s_osetp, (lx_sigset_t *)l_osetp);
+#if defined(_ILP32)
+		else
+			err = stol_osigset(s_osetp, (lx_osigset_t *)l_osetp);
+#endif
+
+		if (err != 0) {
+			/*
+			 * Encountered a fault while writing to the old signal
+			 * mask buffer, so unwind the signal mask change made
+			 * above.
+			 */
+			(void) sigprocmask(how, s_osetp, (sigset_t *)NULL);
+			return (err);
+		}
+	}
+
+	return (0);
+}
+
+#if defined(_ILP32)
+long
+lx_sigprocmask(uintptr_t how, uintptr_t setp, uintptr_t osetp)
+{
+	return (lx_sigprocmask_common(how, setp, osetp, USE_OSIGSET));
+}
+#endif
+
+long
+lx_rt_sigprocmask(uintptr_t how, uintptr_t setp, uintptr_t osetp,
+    uintptr_t setsize)
+{
+	if ((size_t)setsize != sizeof (lx_sigset_t))
+		return (-EINVAL);
+
+	return (lx_sigprocmask_common(how, setp, osetp, USE_SIGSET));
+}
+
+#if defined(_ILP32)
+long
+lx_sigsuspend(uintptr_t set)
+{
+	sigset_t s_set;
+
+	if (ltos_osigset((lx_osigset_t *)set, &s_set) != 0)
+		return (-errno);
+
+	return ((sigsuspend(&s_set) == -1) ? -errno : 0);
+}
+#endif
+
+long
+lx_rt_sigsuspend(uintptr_t set, uintptr_t setsize)
+{
+	sigset_t s_set;
+
+	if ((size_t)setsize != sizeof (lx_sigset_t))
+		return (-EINVAL);
+
+	if (ltos_sigset((lx_sigset_t *)set, &s_set) != 0)
+		return (-errno);
+
+	return ((sigsuspend(&s_set) == -1) ? -errno : 0);
+}
+
+long
+lx_rt_sigwaitinfo(uintptr_t set, uintptr_t sinfo, uintptr_t setsize)
+{
+	sigset_t s_set;
+	siginfo_t s_sinfo, *s_sinfop;
+	int rc;
+
+	lx_sigset_t *setp = (lx_sigset_t *)set;
+	lx_siginfo_t *sinfop = (lx_siginfo_t *)sinfo;
+
+	if ((size_t)setsize != sizeof (lx_sigset_t))
+		return (-EINVAL);
+
+	if (ltos_sigset(setp, &s_set) != 0)
+		return (-errno);
+
+	s_sinfop = (sinfop == NULL) ? NULL : &s_sinfo;
+
+	if ((rc = sigwaitinfo(&s_set, s_sinfop)) == -1)
+		return (-errno);
+
+	if (s_sinfop == NULL)
+		return (stol_signo[rc]);
+
+	return ((stol_siginfo(s_sinfop, sinfop) != 0)
+	    ? -errno : stol_signo[rc]);
+}
+
+long
+lx_rt_sigtimedwait(uintptr_t set, uintptr_t sinfo, uintptr_t toutp,
+    uintptr_t setsize)
+{
+	sigset_t s_set;
+	siginfo_t s_sinfo, *s_sinfop;
+	int rc;
+
+	lx_sigset_t *setp = (lx_sigset_t *)set;
+	lx_siginfo_t *sinfop = (lx_siginfo_t *)sinfo;
+
+	if ((size_t)setsize != sizeof (lx_sigset_t))
+		return (-EINVAL);
+
+	if (ltos_sigset(setp, &s_set) != 0)
+		return (-errno);
+
+	s_sinfop = (sinfop == NULL) ? NULL : &s_sinfo;
+
+	/*
+	 * "If timeout is the NULL pointer, the behavior is unspecified."
+	 * Match what LTP expects.
+	 */
+	if ((rc = sigtimedwait(&s_set, s_sinfop,
+	    (struct timespec *)toutp)) == -1)
+		return (toutp == NULL ? -EINTR : -errno);
+
+	if (s_sinfop == NULL)
+		return (stol_signo[rc]);
+
+	return ((stol_siginfo(s_sinfop, sinfop) != 0)
+	    ? -errno : stol_signo[rc]);
+}
+
+static void
+lx_sigreturn_find_native_context(const char *caller, ucontext_t **sigucp,
+    ucontext_t **retucp, uintptr_t sp)
+{
+	lx_tsd_t *lxtsd = lx_get_tsd();
+	lx_sigdeliver_frame_t *lxsdfp = (lx_sigdeliver_frame_t *)sp;
+	lx_sigdeliver_frame_t lxsdf;
+	boolean_t copy_ok;
+
+	lx_debug("%s: reading lx_sigdeliver_frame_t @ %p\n", caller, lxsdfp);
+	if (uucopy(lxsdfp, &lxsdf, sizeof (lxsdf)) != 0) {
+		lx_debug("%s: failed to read lx_sigdeliver_frame_t @ %p\n",
+		    lxsdfp);
+
+		copy_ok = B_FALSE;
+	} else {
+		lx_debug("%s: lxsdf: magic %p retucp %p sigucp %p\n", caller,
+		    lxsdf.lxsdf_magic, lxsdf.lxsdf_retucp, lxsdf.lxsdf_sigucp);
+
+		copy_ok = B_TRUE;
+	}
+
+	/*
+	 * lx_sigdeliver() pushes a lx_sigdeliver_frame_t onto the stack
+	 * before it creates the struct lx_oldsigstack.
+	 */
+	if (copy_ok && lxsdf.lxsdf_magic == LX_SIGRT_MAGIC) {
+		LX_SIGNAL_DELIVERY_FRAME_FOUND(lxsdfp);
+
+		/*
+		 * The guard value is intact; use the context pointers stored
+		 * in the signal delivery frame:
+		 */
+		*sigucp = lxsdf.lxsdf_sigucp;
+		*retucp = lxsdf.lxsdf_retucp;
+
+		/*
+		 * Ensure that the backup signal delivery chain is in sync with
+		 * the frame we are returning via:
+		 */
+		lxtsd->lxtsd_sigbackup = lxsdf.lxsdf_sigbackup;
+	} else {
+		/*
+		 * The guard value was not intact.  Either the program smashed
+		 * the stack unintentionally, or worse: intentionally moved
+		 * some parts of the signal delivery frame we constructed to
+		 * another location before calling rt_sigreturn(2).
+		 */
+		LX_SIGNAL_DELIVERY_FRAME_CORRUPT(lxsdfp);
+
+		if (lxtsd->lxtsd_sigbackup == NULL) {
+			/*
+			 * There was no backup context to use, so we must
+			 * kill the process.
+			 */
+			if (copy_ok) {
+				lx_err_fatal("%s: sp 0x%p, expected 0x%x, "
+				    "found 0x%x!", caller, sp, LX_SIGRT_MAGIC,
+				    lxsdf.lxsdf_magic);
+			} else {
+				lx_err_fatal("%s: sp 0x%p, could not read "
+				    "magic", caller, sp);
+			}
+		}
+
+		/*
+		 * Attempt to recover by using the backup signal delivery
+		 * chain:
+		 */
+		lx_debug("%s: SIGRT_MAGIC not found @ sp %p; using backup "
+		    "@ %p\n", caller, (void *)sp, lxtsd->lxtsd_sigbackup);
+		*sigucp = lxtsd->lxtsd_sigbackup->lxsb_sigucp;
+		*retucp = lxtsd->lxtsd_sigbackup->lxsb_retucp;
+	}
+}
+
+#if defined(_ILP32)
+/*
+ * Intercept the Linux sigreturn() syscall to turn it into the return through
+ * the libc call stack that Illumos expects.
+ *
+ * When control returns to libc's call_user_handler() routine, a setcontext(2)
+ * will be done that returns thread execution to the point originally
+ * interrupted by receipt of the signal.
+ *
+ * This is only used by 32-bit code.
+ */
+long
+lx_sigreturn(void)
+{
+	struct lx_oldsigstack *lx_ossp;
+	lx_sigset_t lx_sigset;
+	ucontext_t *ucp;
+	ucontext_t *sigucp;
+	ucontext_t *retucp;
+	uintptr_t sp;
+
+	ucp = lx_syscall_regs();
+
+	/*
+	 * NOTE:  The sp saved in the context is eight bytes off of where we
+	 *	  need it to be (either due to trampoline or the copying of
+	 *	  sp = uesp, not clear which).
+	 */
+	sp = LX_REG(ucp, REG_SP) - 8;
+
+	/*
+	 * At this point, the stack pointer should point to the struct
+	 * lx_oldsigstack that lx_build_old_signal_frame() constructed and
+	 * placed on the stack.  We need to reference it a bit later, so
+	 * save a pointer to it before incrementing our copy of the sp.
+	 */
+	lx_ossp = (struct lx_oldsigstack *)sp;
+	sp += SA(sizeof (struct lx_oldsigstack));
+
+	lx_sigreturn_find_native_context(__func__, &sigucp, &retucp, sp);
+
+	/*
+	 * We need to copy machine registers the Linux signal handler may have
+	 * modified back to the Illumos ucontext_t.
+	 *
+	 * General registers copy across as-is, except Linux expects that
+	 * changes made to uc_mcontext.gregs[ESP] will be reflected when the
+	 * interrupted thread resumes execution after the signal handler. To
+	 * emulate this behavior, we must modify uc_mcontext.gregs[UESP] to
+	 * match uc_mcontext.gregs[ESP] as Illumos will restore the UESP
+	 * value to ESP.
+	 */
+	lx_ossp->sigc.sc_esp_at_signal = lx_ossp->sigc.sc_esp;
+	bcopy(&lx_ossp->sigc, &sigucp->uc_mcontext, sizeof (gregset_t));
+
+	LX_SIGRETURN(NULL, sigucp, sp);
+
+	/* copy back FP regs if present */
+	if (lx_ossp->sigc.sc_fpstate != NULL)
+		ltos_fpstate(&lx_ossp->fpstate, &sigucp->uc_mcontext.fpregs);
+
+	/* convert Linux signal mask back to its Illumos equivalent */
+	bzero(&lx_sigset, sizeof (lx_sigset_t));
+	lx_sigset.__bits[0] = lx_ossp->sigc.sc_mask;
+	lx_sigset.__bits[1] = lx_ossp->sig_extra;
+	(void) ltos_sigset(&lx_sigset, &sigucp->uc_sigmask);
+
+	/*
+	 * For signal mask handling to be done properly, this call needs to
+	 * return to the libc routine that originally called the signal handler
+	 * rather than directly set the context back to the place the signal
+	 * interrupted execution as the original Linux code would do.
+	 */
+	lx_debug("lx_sigreturn: calling setcontext; retucp %p flags %lx "
+	    "link %p\n", retucp, retucp->uc_flags, retucp->uc_link);
+	setcontext(retucp);
+	assert(0);
+
+	/*NOTREACHED*/
+	return (0);
+}
+#endif
+
+/*
+ * This signal return syscall is used by both 32-bit and 64-bit code.
+ */
+long
+lx_rt_sigreturn(void)
+{
+	struct lx_sigstack *lx_ssp;
+	lx_ucontext_t *lx_ucp;
+	ucontext_t *ucp;
+	ucontext_t *sigucp;
+	ucontext_t *retucp;
+	uintptr_t sp;
+
+	/* Get the registers at the emulated Linux rt_sigreturn syscall */
+	ucp = lx_syscall_regs();
+
+#if defined(_ILP32)
+	lx_debug("lx_rt_sigreturn: ESP %p UESP %p\n", LX_REG(ucp, ESP),
+	    LX_REG(ucp, UESP));
+	/*
+	 * For 32-bit
+	 *
+	 * NOTE:  Because of the silly compatibility measures done in the
+	 *	  signal trampoline code to make sure the stack holds the
+	 *	   _exact same_  instruction sequence Linux does, we have to
+	 *	  manually "pop" some extra instructions off the stack here
+	 *	  before passing the stack address to the syscall because the
+	 *	  trampoline code isn't allowed to do it due to the gdb
+	 *	  compatability issues.
+	 *
+	 *	  No, I'm not kidding.
+	 *
+	 *	  The sp saved in the context is eight bytes off of where we
+	 *	  need it to be (either due to trampoline or the copying of
+	 *	  sp = uesp, not clear which but looks like the uesp case), so
+	 *	  the need to pop the extra four byte instruction means we need
+	 *	  to subtract  a net four bytes from the sp before "popping" the
+	 *	  struct lx_sigstack off the stack.
+	 *
+	 *	  This will yield the value the stack pointer had before
+	 *	  lx_sigdeliver() created the stack frame for the Linux signal
+	 *	  handler.
+	 */
+	sp = (uintptr_t)LX_REG(ucp, REG_SP) - 4;
+#else
+	/*
+	 * We need to make an adjustment for 64-bit code as well. Since 64-bit
+	 * does not use the trampoline, it's probably for the same reason as
+	 * alluded to above.
+	 */
+	sp = (uintptr_t)LX_REG(ucp, REG_SP) - 8;
+#endif
+
+	/*
+	 * At this point, the stack pointer should point to the struct
+	 * lx_sigstack that lx_build_signal_frame() constructed and
+	 * placed on the stack.  We need to reference it a bit later, so
+	 * save a pointer to it before incrementing our copy of the sp.
+	 */
+	lx_ssp = (struct lx_sigstack *)sp;
+	sp += SA(sizeof (struct lx_sigstack));
+
+#if defined(_LP64)
+	/*
+	 * The 64-bit lx_sigdeliver() inserts 8 bytes of padding between
+	 * the lx_sigstack_t and the delivery frame to maintain ABI stack
+	 * alignment.
+	 */
+	sp += 8;
+#endif
+
+	lx_sigreturn_find_native_context(__func__, &sigucp, &retucp, sp);
+
+	/*
+	 * We need to copy machine registers the Linux signal handler may have
+	 * modified back to the Illumos version.
+	 */
+#if defined(_LP64)
+	lx_ucp = &lx_ssp->uc;
+
+	/*
+	 * General register layout is completely different.
+	 */
+	LX_REG(sigucp, REG_R15) = lx_ucp->uc_sigcontext.sc_r15;
+	LX_REG(sigucp, REG_R14) = lx_ucp->uc_sigcontext.sc_r14;
+	LX_REG(sigucp, REG_R13) = lx_ucp->uc_sigcontext.sc_r13;
+	LX_REG(sigucp, REG_R12) = lx_ucp->uc_sigcontext.sc_r12;
+	LX_REG(sigucp, REG_R11) = lx_ucp->uc_sigcontext.sc_r11;
+	LX_REG(sigucp, REG_R10) = lx_ucp->uc_sigcontext.sc_r10;
+	LX_REG(sigucp, REG_R9) = lx_ucp->uc_sigcontext.sc_r9;
+	LX_REG(sigucp, REG_R8) = lx_ucp->uc_sigcontext.sc_r8;
+	LX_REG(sigucp, REG_RDI) = lx_ucp->uc_sigcontext.sc_rdi;
+	LX_REG(sigucp, REG_RSI) = lx_ucp->uc_sigcontext.sc_rsi;
+	LX_REG(sigucp, REG_RBP) = lx_ucp->uc_sigcontext.sc_rbp;
+	LX_REG(sigucp, REG_RBX) = lx_ucp->uc_sigcontext.sc_rbx;
+	LX_REG(sigucp, REG_RDX) = lx_ucp->uc_sigcontext.sc_rdx;
+	LX_REG(sigucp, REG_RCX) = lx_ucp->uc_sigcontext.sc_rcx;
+	LX_REG(sigucp, REG_RAX) = lx_ucp->uc_sigcontext.sc_rax;
+	LX_REG(sigucp, REG_TRAPNO) = lx_ucp->uc_sigcontext.sc_trapno;
+	LX_REG(sigucp, REG_ERR) = lx_ucp->uc_sigcontext.sc_err;
+	LX_REG(sigucp, REG_RIP) = lx_ucp->uc_sigcontext.sc_rip;
+	LX_REG(sigucp, REG_CS) = lx_ucp->uc_sigcontext.sc_cs;
+	LX_REG(sigucp, REG_RFL) = lx_ucp->uc_sigcontext.sc_eflags;
+	LX_REG(sigucp, REG_RSP) = lx_ucp->uc_sigcontext.sc_rsp;
+	LX_REG(sigucp, REG_SS) = lx_ucp->uc_sigcontext.sc_pad0;
+	LX_REG(sigucp, REG_FS) = lx_ucp->uc_sigcontext.sc_fs;
+	LX_REG(sigucp, REG_GS) = lx_ucp->uc_sigcontext.sc_gs;
+
+#else /* is _ILP32 */
+	lx_ucp = &lx_ssp->uc;
+
+	/*
+	 * Illumos and Linux both follow the SysV i386 ABI layout for the
+	 * mcontext.
+	 *
+	 * General registers copy across as-is, except Linux expects that
+	 * changes made to uc_mcontext.gregs[ESP] will be reflected when the
+	 * interrupted thread resumes execution after the signal handler. To
+	 * emulate this behavior, we must modify uc_mcontext.gregs[UESP] to
+	 * match uc_mcontext.gregs[ESP] as Illumos will restore the UESP value
+	 * to ESP.
+	 */
+	lx_ucp->uc_sigcontext.sc_esp_at_signal = lx_ucp->uc_sigcontext.sc_esp;
+
+	bcopy(&lx_ucp->uc_sigcontext, &sigucp->uc_mcontext.gregs,
+	    sizeof (gregset_t));
+#endif
+
+	LX_SIGRETURN(lx_ucp, sigucp, sp);
+
+	if (lx_ucp->uc_sigcontext.sc_fpstate != NULL) {
+		ltos_fpstate(lx_ucp->uc_sigcontext.sc_fpstate,
+		    &sigucp->uc_mcontext.fpregs);
+	}
+
+	/*
+	 * Convert the Linux signal mask and stack back to their
+	 * Illumos equivalents.
+	 */
+	(void) ltos_sigset(&lx_ucp->uc_sigmask, &sigucp->uc_sigmask);
+	ltos_stack(&lx_ucp->uc_stack, &sigucp->uc_stack);
+
+	/*
+	 * For signal mask handling to be done properly, this call needs to
+	 * return to the libc routine that originally called the signal handler
+	 * rather than directly set the context back to the place the signal
+	 * interrupted execution as the original Linux code would do.
+	 */
+	lx_debug("lx_rt_sigreturn: calling setcontext; retucp %p\n", retucp);
+	setcontext(retucp);
+	assert(0);
+
+	/*NOTREACHED*/
+	return (0);
+}
+
+
+#if defined(_ILP32)
+/*
+ * Build signal frame for processing for "old" (legacy) Linux signals
+ * This stack-builder function is only used by 32-bit code.
+ */
+static void
+lx_build_old_signal_frame(int lx_sig, siginfo_t *sip, void *p, void *sp,
+    uintptr_t *hargs)
+{
+	extern void lx_sigreturn_tramp();
+
+	lx_sigset_t lx_sigset;
+	ucontext_t *ucp = (ucontext_t *)p;
+	struct lx_sigaction *lxsap;
+	struct lx_oldsigstack *lx_ossp = sp;
+
+	lx_debug("building old signal frame for lx sig %d at 0x%p", lx_sig, sp);
+
+	lx_ossp->sig = lx_sig;
+	lxsap = &lx_sighandlers.lx_sa[lx_sig];
+	lx_debug("lxsap @ 0x%p", lxsap);
+
+	if (lxsap && (lxsap->lxsa_flags & LX_SA_RESTORER) &&
+	    lxsap->lxsa_restorer) {
+		lx_ossp->retaddr = lxsap->lxsa_restorer;
+		lx_debug("lxsa_restorer exists @ 0x%p", lx_ossp->retaddr);
+	} else {
+		lx_ossp->retaddr = lx_sigreturn_tramp;
+		lx_debug("lx_ossp->retaddr set to 0x%p", lx_sigreturn_tramp);
+	}
+
+	lx_debug("osf retaddr = 0x%p", lx_ossp->retaddr);
+
+	/* convert Illumos signal mask and stack to their Linux equivalents */
+	(void) stol_sigset(&ucp->uc_sigmask, &lx_sigset);
+	lx_ossp->sigc.sc_mask = lx_sigset.__bits[0];
+	lx_ossp->sig_extra = lx_sigset.__bits[1];
+
+	/*
+	 * General registers copy across as-is, except Linux expects that
+	 * uc_mcontext.gregs[ESP] == uc_mcontext.gregs[UESP] on receipt of a
+	 * signal.
+	 */
+	bcopy(&ucp->uc_mcontext, &lx_ossp->sigc, sizeof (gregset_t));
+	lx_ossp->sigc.sc_esp = lx_ossp->sigc.sc_esp_at_signal;
+
+	/*
+	 * cr2 contains the faulting address, and Linux only sets cr2 for a
+	 * a segmentation fault.
+	 */
+	lx_ossp->sigc.sc_cr2 = (((lx_sig == LX_SIGSEGV) && (sip)) ?
+	    (uintptr_t)sip->si_addr : 0);
+
+	/* convert FP regs if present */
+	if (ucp->uc_flags & UC_FPU) {
+		stol_fpstate(&ucp->uc_mcontext.fpregs, &lx_ossp->fpstate);
+		lx_ossp->sigc.sc_fpstate = &lx_ossp->fpstate;
+	} else {
+		lx_ossp->sigc.sc_fpstate = NULL;
+	}
+
+	/*
+	 * Believe it or not, gdb wants to SEE the trampoline code on the
+	 * bottom of the stack to determine whether the stack frame belongs to
+	 * a signal handler, even though this code is no longer actually
+	 * called.
+	 *
+	 * You can't make this stuff up.
+	 */
+	bcopy((void *)lx_sigreturn_tramp, lx_ossp->trampoline,
+	    sizeof (lx_ossp->trampoline));
+}
+#endif
+
+/*
+ * Build stack frame (32-bit) or stack local data (64-bit) for processing for
+ * modern Linux signals. This is the only stack-builder function for 64-bit
+ * code (32-bit code also calls this when using "modern" signals).
+ */
+static void
+lx_build_signal_frame(int lx_sig, siginfo_t *sip, void *p, void *sp,
+    uintptr_t *hargs)
+{
+	extern void lx_rt_sigreturn_tramp();
+
+	lx_ucontext_t *lx_ucp;
+	ucontext_t *ucp = (ucontext_t *)p;
+	struct lx_sigstack *lx_ssp = sp;
+	struct lx_sigaction *lxsap;
+
+	lx_debug("building signal frame for lx sig %d at 0x%p", lx_sig, sp);
+
+	lx_ucp = &lx_ssp->uc;
+#if defined(_ILP32)
+	/*
+	 * Arguments are passed to the 32-bit signal handler on the stack.
+	 */
+	lx_ssp->ucp = lx_ucp;
+	lx_ssp->sip = sip != NULL ? &lx_ssp->si : NULL;
+	lx_ssp->sig = lx_sig;
+#else
+	/*
+	 * Arguments to the 64-bit signal handler are passed in registers:
+	 *   hdlr(int sig, siginfo_t *sip, void *ucp);
+	 */
+	hargs[0] = lx_sig;
+	hargs[1] = sip != NULL ? (uintptr_t)&lx_ssp->si : NULL;
+	hargs[2] = (uintptr_t)lx_ucp;
+#endif
+
+	lxsap = &lx_sighandlers.lx_sa[lx_sig];
+	lx_debug("lxsap @ 0x%p", lxsap);
+
+	if (lxsap && (lxsap->lxsa_flags & LX_SA_RESTORER) &&
+	    lxsap->lxsa_restorer) {
+		/*
+		 * lxsa_restorer is explicitly set by sigaction in 32-bit code
+		 * but it can also be implicitly set for both 32 and 64 bit
+		 * code via lx_sigaction_common when we bcopy the user-supplied
+		 * lx_sigaction element into the proper slot in the sighandler
+		 * array.
+		 */
+		lx_ssp->retaddr = lxsap->lxsa_restorer;
+		lx_debug("lxsa_restorer exists @ 0x%p", lx_ssp->retaddr);
+	} else {
+		lx_ssp->retaddr = lx_rt_sigreturn_tramp;
+		lx_debug("lx_ssp->retaddr set to 0x%p", lx_rt_sigreturn_tramp);
+	}
+
+	/* Linux has these fields but always clears them to 0 */
+	lx_ucp->uc_flags = 0;
+	lx_ucp->uc_link = NULL;
+
+	/* convert Illumos signal mask and stack to their Linux equivalents */
+	(void) stol_sigset(&ucp->uc_sigmask, &lx_ucp->uc_sigmask);
+	stol_stack(&ucp->uc_stack, &lx_ucp->uc_stack);
+
+#if defined(_LP64)
+	/*
+	 * General register layout is completely different.
+	 */
+	lx_ucp->uc_sigcontext.sc_r8 = LX_REG(ucp, REG_R8);
+	lx_ucp->uc_sigcontext.sc_r9 = LX_REG(ucp, REG_R9);
+	lx_ucp->uc_sigcontext.sc_r10 = LX_REG(ucp, REG_R10);
+	lx_ucp->uc_sigcontext.sc_r11 = LX_REG(ucp, REG_R11);
+	lx_ucp->uc_sigcontext.sc_r12 = LX_REG(ucp, REG_R12);
+	lx_ucp->uc_sigcontext.sc_r13 = LX_REG(ucp, REG_R13);
+	lx_ucp->uc_sigcontext.sc_r14 = LX_REG(ucp, REG_R14);
+	lx_ucp->uc_sigcontext.sc_r15 = LX_REG(ucp, REG_R15);
+	lx_ucp->uc_sigcontext.sc_rdi = LX_REG(ucp, REG_RDI);
+	lx_ucp->uc_sigcontext.sc_rsi = LX_REG(ucp, REG_RSI);
+	lx_ucp->uc_sigcontext.sc_rbp = LX_REG(ucp, REG_RBP);
+	lx_ucp->uc_sigcontext.sc_rbx = LX_REG(ucp, REG_RBX);
+	lx_ucp->uc_sigcontext.sc_rdx = LX_REG(ucp, REG_RDX);
+	lx_ucp->uc_sigcontext.sc_rax = LX_REG(ucp, REG_RAX);
+	lx_ucp->uc_sigcontext.sc_rcx = LX_REG(ucp, REG_RCX);
+	lx_ucp->uc_sigcontext.sc_rsp = LX_REG(ucp, REG_RSP);
+	lx_ucp->uc_sigcontext.sc_rip = LX_REG(ucp, REG_RIP);
+	lx_ucp->uc_sigcontext.sc_eflags = LX_REG(ucp, REG_RFL);
+	lx_ucp->uc_sigcontext.sc_cs = LX_REG(ucp, REG_CS);
+	lx_ucp->uc_sigcontext.sc_gs = LX_REG(ucp, REG_GS);
+	lx_ucp->uc_sigcontext.sc_fs = LX_REG(ucp, REG_FS);
+	lx_ucp->uc_sigcontext.sc_pad0 = LX_REG(ucp, REG_SS);
+	lx_ucp->uc_sigcontext.sc_err = LX_REG(ucp, REG_ERR);
+	lx_ucp->uc_sigcontext.sc_trapno = LX_REG(ucp, REG_TRAPNO);
+
+#else /* is _ILP32 */
+	/*
+	 * General registers copy across as-is, except Linux expects that
+	 * uc_mcontext.gregs[ESP] == uc_mcontext.gregs[UESP] on receipt of a
+	 * signal.
+	 */
+	bcopy(&ucp->uc_mcontext, &lx_ucp->uc_sigcontext, sizeof (gregset_t));
+	lx_ucp->uc_sigcontext.sc_esp = lx_ucp->uc_sigcontext.sc_esp_at_signal;
+#endif
+
+	/*
+	 * cr2 contains the faulting address, which Linux only sets for a
+	 * a segmentation fault.
+	 */
+	lx_ucp->uc_sigcontext.sc_cr2 = ((lx_sig == LX_SIGSEGV) && (sip)) ?
+	    (uintptr_t)sip->si_addr : 0;
+
+	/*
+	 * This should only return an error if the signum is invalid but that
+	 * also gets converted into a LX_SIGKILL by this function.
+	 */
+	if (sip != NULL)
+		(void) stol_siginfo(sip, &lx_ssp->si);
+	else
+		bzero(&lx_ssp->si, sizeof (lx_siginfo_t));
+
+	/* convert FP regs if present */
+	if (ucp->uc_flags & UC_FPU) {
+		/*
+		 * Copy FP regs to the appropriate place in the the lx_sigstack
+		 * structure.
+		 */
+		stol_fpstate(&ucp->uc_mcontext.fpregs, &lx_ssp->fpstate);
+		lx_ucp->uc_sigcontext.sc_fpstate = &lx_ssp->fpstate;
+	} else {
+		lx_ucp->uc_sigcontext.sc_fpstate = NULL;
+	}
+
+#if defined(_ILP32)
+	/*
+	 * Believe it or not, gdb wants to SEE the sigreturn code on the
+	 * top of the stack to determine whether the stack frame belongs to
+	 * a signal handler, even though this code is not actually called.
+	 *
+	 * You can't make this stuff up.
+	 */
+	bcopy((void *)lx_rt_sigreturn_tramp, lx_ssp->trampoline,
+	    sizeof (lx_ssp->trampoline));
+#endif
+}
+
+/*
+ * This is the interposition handler for Linux signals.
+ */
+static void
+lx_call_user_handler(int sig, siginfo_t *sip, void *p)
+{
+	void (*user_handler)();
+	void (*stk_builder)();
+	struct lx_sigaction *lxsap;
+	ucontext_t *ucp = (ucontext_t *)p;
+	size_t stksize;
+	int lx_sig;
+
+	/*
+	 * If Illumos signal has no Linux equivalent, effectively ignore it.
+	 */
+	if ((lx_sig = stol_signo[sig]) == -1) {
+		lx_unsupported("caught Illumos signal %d, no Linux equivalent",
+		    sig);
+		return;
+	}
+
+	lx_debug("interpose caught Illumos signal %d, translating to Linux "
+	    "signal %d", sig, lx_sig);
+
+	lxsap = &lx_sighandlers.lx_sa[lx_sig];
+	lx_debug("lxsap @ 0x%p", lxsap);
+
+	if ((sig == SIGPWR) && (lxsap->lxsa_handler == SIG_DFL)) {
+		/*
+		 * Linux SIG_DFL for SIGPWR is to terminate. The lx wait
+		 * emulation will translate SIGPWR to LX_SIGPWR.
+		 */
+		(void) syscall(SYS_brand, B_EXIT_AS_SIG, SIGPWR);
+		/* This should never return */
+		assert(0);
+	}
+
+	if (lxsap->lxsa_handler == SIG_DFL || lxsap->lxsa_handler == SIG_IGN)
+		lx_err_fatal("lxsa_handler set to %s?  How?!?!?",
+		    (lxsap->lxsa_handler == SIG_DFL) ? "SIG_DFL" : "SIG_IGN");
+
+#if defined(_LP64)
+	stksize = sizeof (struct lx_sigstack);
+	stk_builder = lx_build_signal_frame;
+#else
+	if (lxsap->lxsa_flags & LX_SA_SIGINFO) {
+		stksize = sizeof (struct lx_sigstack);
+		stk_builder = lx_build_signal_frame;
+	} else  {
+		stksize = sizeof (struct lx_oldsigstack);
+		stk_builder = lx_build_old_signal_frame;
+	}
+#endif
+
+	user_handler = lxsap->lxsa_handler;
+
+	lx_debug("delivering %d (lx %d) to handler at 0x%p", sig, lx_sig,
+	    lxsap->lxsa_handler);
+
+	if (lxsap->lxsa_flags & LX_SA_RESETHAND)
+		lxsap->lxsa_handler = SIG_DFL;
+
+	lx_sigdeliver(lx_sig, sip, ucp, stksize, stk_builder, user_handler,
+	    lxsap);
+
+	/*
+	 * We need to handle restarting system calls if requested by the
+	 * program for this signal type:
+	 */
+	if (lxsap->lxsa_flags & LX_SA_RESTART) {
+		uintptr_t flags = (uintptr_t)ucp->uc_brand_data[0];
+		long ret = (long)LX_REG(ucp, REG_R0);
+		boolean_t interrupted = (ret == -lx_errno(EINTR, -1));
+
+		/*
+		 * If the system call returned EINTR, and the system
+		 * call handler set "br_syscall_restart" when returning,
+		 * we modify the context to try the system call again
+		 * when we return from this signal handler.
+		 */
+		if ((flags & LX_UC_RESTART_SYSCALL) && interrupted) {
+			int syscall_num = (int)(uintptr_t)ucp->uc_brand_data[2];
+
+			lx_debug("restarting interrupted system call %d",
+			    syscall_num);
+
+			/*
+			 * Both the "int 0x80" and the "syscall" instruction
+			 * are two bytes long.  Wind the program counter back
+			 * to the start of this instruction.
+			 *
+			 * The system call we interrupted is preserved in the
+			 * brand-specific data in the ucontext_t when the
+			 * LX_UC_RESTART_SYSCALL flag is set.  This is
+			 * analogous to the "orig_[er]ax" field in the Linux
+			 * "user_regs_struct".
+			 */
+			LX_REG(ucp, REG_PC) -= 2;
+			LX_REG(ucp, REG_R0) = syscall_num;
+		}
+	}
+}
+
+/*
+ * The "lx_sigdeliver()" function is responsible for constructing the emulated
+ * signal delivery frame on the brand stack for this LWP.  A context is saved
+ * on the stack which will be used by the "sigreturn(2)" family of emulated
+ * system calls to get us back here after the Linux signal handler returns.
+ * This function is modelled on the in-kernel "sendsig()" signal delivery
+ * mechanism.
+ */
+void
+lx_sigdeliver(int lx_sig, siginfo_t *sip, ucontext_t *ucp, size_t stacksz,
+    void (*stack_builder)(), void (*user_handler)(),
+    struct lx_sigaction *lxsap)
+{
+	lx_sigbackup_t sigbackup;
+	ucontext_t uc;
+	lx_tsd_t *lxtsd = lx_get_tsd();
+	int totsz = 0;
+	uintptr_t flags;
+	uintptr_t hargs[3];
+	/*
+	 * These variables must be "volatile", as they are modified after the
+	 * getcontext() stores the register state:
+	 */
+	volatile boolean_t signal_delivered = B_FALSE;
+	volatile uintptr_t lxfp;
+	volatile uintptr_t old_tsd_sp;
+	volatile int newstack;
+
+	/*
+	 * This function involves modifying the Linux process stack for this
+	 * thread.  To do so without corruption requires us to exclude other
+	 * signal handlers (or emulated system calls called from within those
+	 * handlers) from running while we reserve space on that stack.  We
+	 * defer the execution of further instances of lx_call_user_handler()
+	 * until we have completed this operation.
+	 */
+	_sigoff();
+
+	/*
+	 * Clear register arguments vector.
+	 */
+	bzero(hargs, sizeof (hargs));
+
+	/*
+	 * We save a context here so that we can be returned later to complete
+	 * handling the signal.
+	 */
+	lx_debug("lx_sigdeliver: STORING RETURN CONTEXT @ %p\n", &uc);
+	assert(getcontext(&uc) == 0);
+	lx_debug("lx_sigdeliver: RETURN CONTEXT %p LINK %p FLAGS %lx\n",
+	    &uc, uc.uc_link, uc.uc_flags);
+	if (signal_delivered) {
+		/*
+		 * If the "signal_delivered" flag is set, we are returned here
+		 * via setcontext() as called by the emulated Linux signal
+		 * return system call.
+		 */
+		lx_debug("lx_sigdeliver: WE ARE BACK, VIA UC @ %p!\n", &uc);
+		goto after_signal_handler;
+	}
+	signal_delivered = B_TRUE;
+
+	/*
+	 * Preserve the current tsd value of the Linux process stack pointer,
+	 * even if it is zero.  We will restore it when we are returned here
+	 * via setcontext() after the Linux process has completed execution of
+	 * its signal handler.
+	 */
+	old_tsd_sp = lxtsd->lxtsd_lx_sp;
+
+	/*
+	 * Figure out whether we will be handling this signal on an alternate
+	 * stack specified by the user.
+	 */
+	newstack = (lxsap->lxsa_flags & LX_SA_ONSTACK) &&
+	    !(lxtsd->lxtsd_sigaltstack.ss_flags & (LX_SS_ONSTACK |
+	    LX_SS_DISABLE));
+
+	/*
+	 * Find the first unused region of the Linux process stack, where
+	 * we will assemble our signal delivery frame.
+	 */
+	flags = (uintptr_t)ucp->uc_brand_data[0];
+	if (newstack) {
+		/*
+		 * We are moving to the user-provided alternate signal
+		 * stack.
+		 */
+		lxfp = SA((uintptr_t)lxtsd->lxtsd_sigaltstack.ss_sp) +
+		    SA(lxtsd->lxtsd_sigaltstack.ss_size) - STACK_ALIGN;
+		lx_debug("lx_sigdeliver: moving to ALTSTACK sp %p\n", lxfp);
+		LX_SIGNAL_ALTSTACK_ENABLE(lxfp);
+	} else if (flags & LX_UC_STACK_BRAND) {
+		/*
+		 * We interrupted the Linux process to take this signal.  The
+		 * stack pointer is the one saved in this context.
+		 */
+		lxfp = LX_REG(ucp, REG_SP);
+	} else {
+		/*
+		 * We interrupted a native (emulation) routine, so we must get
+		 * the current stack pointer from either the tsd (if one is
+		 * stored there) or via the context chain.
+		 *
+		 */
+		lxfp = lx_find_brand_sp();
+		if (lxtsd->lxtsd_lx_sp != 0) {
+			/*
+			 * We must also make room for the possibility of nested
+			 * signal delivery -- we may be pre-empting the
+			 * in-progress handling of another signal.
+			 *
+			 * Note that if we were already on the alternate stack,
+			 * any emulated Linux system calls would be betwixt
+			 * that original signal frame and this new one on the
+			 * one contiguous stack, so this logic holds either
+			 * way:
+			 */
+			lxfp = MIN(lxtsd->lxtsd_lx_sp, lxfp);
+		}
+	}
+
+	/*
+	 * Account for a reserved stack region (for amd64, this is 128 bytes),
+	 * and align the stack:
+	 */
+	lxfp -= STACK_RESERVE;
+	lxfp &= ~(STACK_ALIGN - 1);
+
+	/*
+	 * Allocate space on the Linux process stack for our delivery frame,
+	 * including:
+	 *
+	 *   ----------------------------------------------------- old %sp
+	 *   - lx_sigdeliver_frame_t
+	 *   - (ucontext_t pointers and stack magic)
+	 *   -----------------------------------------------------
+	 *   - (amd64-only 8-byte alignment gap)
+	 *   -----------------------------------------------------
+	 *   - frame of size "stacksz" from the stack builder
+	 *   ----------------------------------------------------- new %sp
+	 */
+#if defined(_LP64)
+	/*
+	 * The AMD64 ABI requires us to align the stack such that when the
+	 * called function pushes the base pointer, the stack is 16 byte
+	 * aligned.  The stack must, therefore, be 8- but _not_ 16-byte
+	 * aligned.
+	 */
+#if (STACK_ALIGN != 16) || (STACK_ENTRY_ALIGN != 8)
+#error "lx_sigdeliver() did not find expected stack alignment"
+#endif
+	totsz = SA(sizeof (lx_sigdeliver_frame_t)) + SA(stacksz) + 8;
+	assert((totsz & (STACK_ENTRY_ALIGN - 1)) == 0);
+	assert((totsz & (STACK_ALIGN - 1)) == 8);
+#else
+	totsz = SA(sizeof (lx_sigdeliver_frame_t)) + SA(stacksz);
+	assert((totsz & (STACK_ALIGN - 1)) == 0);
+#endif
+
+	/*
+	 * Copy our return frame into place:
+	 */
+	lxfp -= SA(sizeof (lx_sigdeliver_frame_t));
+	lx_debug("lx_sigdeliver: lx_sigdeliver_frame_t @ %p\n", lxfp);
+	{
+		lx_sigdeliver_frame_t frm;
+
+		frm.lxsdf_magic = LX_SIGRT_MAGIC;
+		frm.lxsdf_retucp = &uc;
+		frm.lxsdf_sigucp = ucp;
+		frm.lxsdf_sigbackup = &sigbackup;
+
+		lx_debug("lx_sigdeliver: retucp %p sigucp %p\n",
+		    frm.lxsdf_retucp, frm.lxsdf_sigucp);
+
+		if (uucopy(&frm, (void *)lxfp, sizeof (frm)) != 0) {
+			/*
+			 * We could not modify the stack of the emulated Linux
+			 * program.  Act like the kernel and terminate the
+			 * program with a segmentation violation.
+			 */
+			(void) syscall(SYS_brand, B_EXIT_AS_SIG, SIGSEGV);
+		}
+
+		LX_SIGNAL_DELIVERY_FRAME_CREATE((void *)lxfp);
+
+		/*
+		 * Populate a backup copy of signal linkage to use in case
+		 * the Linux program completely destroys (or relocates) the
+		 * delivery frame.
+		 *
+		 * This is necessary for programs that have flown so far off
+		 * the architectural rails that they believe it is
+		 * acceptable to make assumptions about the precise size and
+		 * layout of the signal handling frame assembled by the
+		 * kernel.
+		 */
+		sigbackup.lxsb_retucp = frm.lxsdf_retucp;
+		sigbackup.lxsb_sigucp = frm.lxsdf_sigucp;
+		sigbackup.lxsb_sigdeliver_frame = lxfp;
+		sigbackup.lxsb_previous = lxtsd->lxtsd_sigbackup;
+		lxtsd->lxtsd_sigbackup = &sigbackup;
+
+		lx_debug("lx_sigdeliver: installed sigbackup %p; prev %p\n",
+		    &sigbackup, sigbackup.lxsb_previous);
+	}
+
+	/*
+	 * Build the Linux signal handling frame:
+	 */
+#if defined(_LP64)
+	lxfp -= SA(stacksz) + 8;
+#else
+	lxfp -= SA(stacksz);
+#endif
+	lx_debug("lx_sigdeliver: Linux sig frame @ %p\n", lxfp);
+	stack_builder(lx_sig, sip, ucp, lxfp, hargs);
+
+	/*
+	 * Record our reservation so that any nested signal handlers
+	 * can see it.
+	 */
+	lx_debug("lx_sigdeliver: Linux tsd sp %p -> %p\n", lxtsd->lxtsd_lx_sp,
+	    lxfp);
+	lxtsd->lxtsd_lx_sp = lxfp;
+
+	if (newstack) {
+		lxtsd->lxtsd_sigaltstack.ss_flags |= LX_SS_ONSTACK;
+	}
+
+	LX_SIGDELIVER(lx_sig, lxsap, (void *)lxfp);
+
+	/*
+	 * Re-enable signal delivery.  If a signal was queued while we were
+	 * in the critical section, it will be delivered immediately.
+	 */
+	_sigon();
+
+	/*
+	 * Pass control to the Linux signal handler:
+	 */
+	lx_debug("lx_sigdeliver: JUMPING TO LINUX (sig %d sp %p eip %p)\n",
+	    lx_sig, lxfp, user_handler);
+	{
+		ucontext_t jump_uc;
+
+		bcopy(lx_find_brand_uc(), &jump_uc, sizeof (jump_uc));
+
+		/*
+		 * We want to load the general registers from this context, and
+		 * switch to the BRAND stack.  We do _not_ want to restore the
+		 * uc_link value from this synthetic context, as that would
+		 * break the signal handling context chain.
+		 */
+		jump_uc.uc_flags = UC_CPU;
+		jump_uc.uc_brand_data[0] = (void *)(LX_UC_STACK_BRAND |
+		    LX_UC_IGNORE_LINK);
+
+		LX_REG(&jump_uc, REG_FP) = 0;
+		LX_REG(&jump_uc, REG_SP) = lxfp;
+		LX_REG(&jump_uc, REG_PC) = (uintptr_t)user_handler;
+
+#if defined(_LP64)
+		/*
+		 * Pass signal handler arguments by registers on AMD64.
+		 */
+		LX_REG(&jump_uc, REG_RDI) = hargs[0];
+		LX_REG(&jump_uc, REG_RSI) = hargs[1];
+		LX_REG(&jump_uc, REG_RDX) = hargs[2];
+#endif
+
+		if (syscall(SYS_brand, B_JUMP_TO_LINUX, &jump_uc) == -1) {
+			lx_err_fatal("B_JUMP_TO_LINUX failed: %s",
+			    strerror(errno));
+		}
+	}
+
+	assert(0);
+
+after_signal_handler:
+	/*
+	 * Ensure all nested signal handlers have completed correctly
+	 * and then remove our stack reservation.
+	 */
+	_sigoff();
+	LX_SIGNAL_POST_HANDLER(lxfp, old_tsd_sp);
+	assert(lxtsd->lxtsd_lx_sp == lxfp);
+	lx_debug("lx_sigdeliver: after; Linux tsd sp %p -> %p\n", lxfp,
+	    old_tsd_sp);
+	lxtsd->lxtsd_lx_sp = old_tsd_sp;
+	if (newstack) {
+		LX_SIGNAL_ALTSTACK_DISABLE();
+		lx_debug("lx_sigdeliver: disabling ALTSTACK sp %p\n", lxfp);
+		lxtsd->lxtsd_sigaltstack.ss_flags &= ~LX_SS_ONSTACK;
+	}
+	/*
+	 * Restore backup signal tracking chain pointer to previous value:
+	 */
+	if (lxtsd->lxtsd_sigbackup != NULL) {
+		lx_sigbackup_t *bprev = lxtsd->lxtsd_sigbackup->lxsb_previous;
+
+		lx_debug("lx_sigdeliver: restoring sigbackup %p to %p\n",
+		    lxtsd->lxtsd_sigbackup, bprev);
+
+		lxtsd->lxtsd_sigbackup = bprev;
+	}
+	_sigon();
+
+	/*
+	 * Here we return to libc so that it may clean up and restore the
+	 * context originally interrupted by this signal.
+	 */
+}
+
+/*
+ * Common routine to modify sigaction characteristics of a thread.
+ *
+ * We shouldn't need any special locking code here as we actually use our copy
+ * of libc's sigaction() to do all the real work, so its thread locking should
+ * take care of any issues for us.
+ */
+static int
+lx_sigaction_common(int lx_sig, struct lx_sigaction *lxsp,
+    struct lx_sigaction *olxsp)
+{
+	struct lx_sigaction *lxsap;
+	struct sigaction sa;
+
+	if (lx_sig <= 0 || lx_sig > LX_NSIG)
+		return (-EINVAL);
+
+	lxsap = &lx_sighandlers.lx_sa[lx_sig];
+	lx_debug("&lx_sighandlers.lx_sa[%d] = 0x%p", lx_sig, lxsap);
+
+	if ((olxsp != NULL) &&
+	    ((uucopy(lxsap, olxsp, sizeof (struct lx_sigaction))) != 0))
+		return (-errno);
+
+	if (lxsp != NULL) {
+		int err, sig;
+		struct lx_sigaction lxsa;
+		sigset_t new_set, oset;
+
+		if (uucopy(lxsp, &lxsa, sizeof (struct lx_sigaction)) != 0)
+			return (-errno);
+
+		if ((sig = ltos_signo[lx_sig]) != -1) {
+			if (lx_no_abort_handler != 0) {
+				/*
+				 * If LX_NO_ABORT_HANDLER has been set, we will
+				 * not allow the emulated program to do
+				 * anything hamfisted with SIGSEGV or SIGABRT
+				 * signals.
+				 */
+				if (sig == SIGSEGV || sig == SIGABRT) {
+					return (0);
+				}
+			}
+
+			/*
+			 * Block this signal while messing with its dispostion
+			 */
+			(void) sigemptyset(&new_set);
+			(void) sigaddset(&new_set, sig);
+
+			if (sigprocmask(SIG_BLOCK, &new_set, &oset) < 0) {
+				err = errno;
+				lx_debug("unable to block signal %d: %s", sig,
+				    strerror(err));
+				return (-err);
+			}
+
+			/*
+			 * We don't really need the old signal disposition at
+			 * this point, but this weeds out signals that would
+			 * cause sigaction() to return an error before we change
+			 * anything other than the current signal mask.
+			 */
+			if (sigaction(sig, NULL, &sa) < 0) {
+				err = errno;
+				lx_debug("sigaction() to get old "
+				    "disposition for signal %d failed: "
+				    "%s", sig, strerror(err));
+				(void) sigprocmask(SIG_SETMASK, &oset, NULL);
+				return (-err);
+			}
+
+			if ((lxsa.lxsa_handler != SIG_DFL) &&
+			    (lxsa.lxsa_handler != SIG_IGN)) {
+				sa.sa_handler = lx_call_user_handler;
+
+				/*
+				 * The interposition signal handler needs the
+				 * information provided via the SA_SIGINFO flag.
+				 */
+				sa.sa_flags = SA_SIGINFO;
+
+				/*
+				 * When translating from Linux to illumos
+				 * sigaction(2) flags, we explicitly do not
+				 * pass SA_ONSTACK to the kernel.  The
+				 * alternate stack for Linux signal handling is
+				 * handled entirely by the emulation code.
+				 */
+				if (lxsa.lxsa_flags & LX_SA_NOCLDSTOP)
+					sa.sa_flags |= SA_NOCLDSTOP;
+				if (lxsa.lxsa_flags & LX_SA_NOCLDWAIT)
+					sa.sa_flags |= SA_NOCLDWAIT;
+				if (lxsa.lxsa_flags & LX_SA_RESTART)
+					sa.sa_flags |= SA_RESTART;
+				if (lxsa.lxsa_flags & LX_SA_NODEFER)
+					sa.sa_flags |= SA_NODEFER;
+
+				/*
+				 * RESETHAND cannot be used be passed through
+				 * for SIGPWR due to different default actions
+				 * between Linux and Illumos.
+				 */
+				if ((sig != SIGPWR) &&
+				    (lxsa.lxsa_flags & LX_SA_RESETHAND))
+					sa.sa_flags |= SA_RESETHAND;
+
+				if (ltos_sigset(&lxsa.lxsa_mask,
+				    &sa.sa_mask) != 0) {
+					err = errno;
+					(void) sigprocmask(SIG_SETMASK, &oset,
+					    NULL);
+					return (-err);
+				}
+
+				lx_debug("interposing handler @ 0x%p for "
+				    "signal %d (lx %d), flags 0x%x",
+				    lxsa.lxsa_handler, sig, lx_sig,
+				    lxsa.lxsa_flags);
+
+				if (sigaction(sig, &sa, NULL) < 0) {
+					err = errno;
+					lx_debug("sigaction() to set new "
+					    "disposition for signal %d failed: "
+					    "%s", sig, strerror(err));
+					(void) sigprocmask(SIG_SETMASK, &oset,
+					    NULL);
+					return (-err);
+				}
+			} else if ((sig != SIGPWR) ||
+			    ((sig == SIGPWR) &&
+			    (lxsa.lxsa_handler == SIG_IGN))) {
+				/*
+				 * There's no need to interpose for SIG_DFL or
+				 * SIG_IGN so just call our copy of libc's
+				 * sigaction(), but don't allow SIG_DFL for
+				 * SIGPWR due to differing default actions
+				 * between Linux and Illumos.
+				 *
+				 * Get the previous disposition first so things
+				 * like sa_mask and sa_flags are preserved over
+				 * a transition to SIG_DFL or SIG_IGN, which is
+				 * what Linux expects.
+				 */
+
+				sa.sa_handler = lxsa.lxsa_handler;
+
+				if (sigaction(sig, &sa, NULL) < 0) {
+					err = errno;
+					lx_debug("sigaction(%d, %s) failed: %s",
+					    sig, ((sa.sa_handler == SIG_DFL) ?
+					    "SIG_DFL" : "SIG_IGN"),
+					    strerror(err));
+					(void) sigprocmask(SIG_SETMASK, &oset,
+					    NULL);
+					return (-err);
+				}
+			}
+		} else {
+			lx_debug("Linux signal with no kill support "
+			    "specified: %d", lx_sig);
+		}
+
+		/*
+		 * Save the new disposition for the signal in the global
+		 * lx_sighandlers structure.
+		 */
+		bcopy(&lxsa, lxsap, sizeof (struct lx_sigaction));
+
+		/*
+		 * Reset the signal mask to what we came in with if
+		 * we were modifying a kill-supported signal.
+		 */
+		if (sig != -1)
+			(void) sigprocmask(SIG_SETMASK, &oset, NULL);
+	}
+
+	return (0);
+}
+
+#if defined(_ILP32)
+/*
+ * sigaction is only used in 32-bit code.
+ */
+long
+lx_sigaction(uintptr_t lx_sig, uintptr_t actp, uintptr_t oactp)
+{
+	int val;
+	struct lx_sigaction sa, osa;
+	struct lx_sigaction *sap, *osap;
+	struct lx_osigaction *osp;
+
+	sap = (actp ? &sa : NULL);
+	osap = (oactp ? &osa : NULL);
+
+	/*
+	 * If we have a source pointer, convert source lxsa_mask from
+	 * lx_osigset_t to lx_sigset_t format.
+	 */
+	if (sap) {
+		osp = (struct lx_osigaction *)actp;
+		sap->lxsa_handler = osp->lxsa_handler;
+
+		bzero(&sap->lxsa_mask, sizeof (lx_sigset_t));
+
+		for (val = 1; val <= OSIGSET_NBITS; val++)
+			if (osp->lxsa_mask & OSIGSET_BITSET(val))
+				(void) lx_sigaddset(&sap->lxsa_mask, val);
+
+		sap->lxsa_flags = osp->lxsa_flags;
+		sap->lxsa_restorer = osp->lxsa_restorer;
+	}
+
+	if ((val = lx_sigaction_common(lx_sig, sap, osap)))
+		return (val);
+
+	/*
+	 * If we have a save pointer, convert the old lxsa_mask from
+	 * lx_sigset_t to lx_osigset_t format.
+	 */
+	if (osap) {
+		osp = (struct lx_osigaction *)oactp;
+
+		osp->lxsa_handler = osap->lxsa_handler;
+
+		bzero(&osp->lxsa_mask, sizeof (osp->lxsa_mask));
+		for (val = 1; val <= OSIGSET_NBITS; val++)
+			if (lx_sigismember(&osap->lxsa_mask, val))
+				osp->lxsa_mask |= OSIGSET_BITSET(val);
+
+		osp->lxsa_flags = osap->lxsa_flags;
+		osp->lxsa_restorer = osap->lxsa_restorer;
+	}
+
+	return (0);
+}
+#endif
+
+long
+lx_rt_sigaction(uintptr_t lx_sig, uintptr_t actp, uintptr_t oactp,
+    uintptr_t setsize)
+{
+	/*
+	 * The "new" rt_sigaction call checks the setsize
+	 * parameter.
+	 */
+	if ((size_t)setsize != sizeof (lx_sigset_t))
+		return (-EINVAL);
+
+	return (lx_sigaction_common(lx_sig, (struct lx_sigaction *)actp,
+	    (struct lx_sigaction *)oactp));
+}
+
+#if defined(_ILP32)
+/*
+ * Convert signal syscall to a call to the lx_sigaction() syscall
+ * Only used in 32-bit code.
+ */
+long
+lx_signal(uintptr_t lx_sig, uintptr_t handler)
+{
+	struct sigaction act;
+	struct sigaction oact;
+	int rc;
+
+	/*
+	 * Use sigaction to mimic SYSV signal() behavior; glibc will
+	 * actually call sigaction(2) itself, so we're really reaching
+	 * back for signal(2) semantics here.
+	 */
+	bzero(&act, sizeof (act));
+	act.sa_handler = (void (*)())handler;
+	act.sa_flags = SA_RESETHAND | SA_NODEFER;
+
+	rc = lx_sigaction(lx_sig, (uintptr_t)&act, (uintptr_t)&oact);
+	return ((rc == 0) ? ((ssize_t)oact.sa_handler) : rc);
+}
+#endif
+
+void
+lx_sighandlers_save(lx_sighandlers_t *saved)
+{
+	bcopy(&lx_sighandlers, saved, sizeof (lx_sighandlers_t));
+}
+
+void
+lx_sighandlers_restore(lx_sighandlers_t *saved)
+{
+	bcopy(saved, &lx_sighandlers, sizeof (lx_sighandlers_t));
+}
+
+int
+lx_siginit(void)
+{
+	extern void set_setcontext_enforcement(int);
+	extern void set_escaped_context_cleanup(int);
+
+	struct sigaction sa;
+	sigset_t new_set, oset;
+	int lx_sig, sig;
+
+	if (getenv("LX_NO_ABORT_HANDLER") != NULL) {
+		lx_no_abort_handler = 1;
+	}
+
+	/*
+	 * Block all signals possible while setting up the signal imposition
+	 * mechanism.
+	 */
+	(void) sigfillset(&new_set);
+
+	if (sigprocmask(SIG_BLOCK, &new_set, &oset) < 0)
+		lx_err_fatal("unable to block signals while setting up "
+		    "imposition mechanism: %s", strerror(errno));
+
+	/*
+	 * Ignore any signals that have no Linux analog so that those
+	 * signals cannot be sent to Linux processes from the global zone
+	 */
+	for (sig = 1; sig < NSIG; sig++)
+		if (stol_signo[sig] < 0)
+			(void) sigignore(sig);
+
+	/*
+	 * Mark any signals that are ignored as ignored in our interposition
+	 * handler array
+	 */
+	for (lx_sig = 1; lx_sig <= LX_NSIG; lx_sig++) {
+		if (((sig = ltos_signo[lx_sig]) != -1) &&
+		    (sigaction(sig, NULL, &sa) < 0))
+			lx_err_fatal("unable to determine previous disposition "
+			    "for signal %d: %s", sig, strerror(errno));
+
+		if (sa.sa_handler == SIG_IGN) {
+			lx_debug("marking signal %d (lx %d) as SIG_IGN",
+			    sig, lx_sig);
+			lx_sighandlers.lx_sa[lx_sig].lxsa_handler = SIG_IGN;
+		}
+	}
+
+	/*
+	 * Have our interposition handler handle SIGPWR to start with,
+	 * as it has a default action of terminating the process in Linux
+	 * but its default is to be ignored in Illumos.
+	 */
+	(void) sigemptyset(&sa.sa_mask);
+	sa.sa_sigaction = lx_call_user_handler;
+	sa.sa_flags = SA_SIGINFO;
+
+	if (sigaction(SIGPWR, &sa, NULL) < 0)
+		lx_err_fatal("sigaction(SIGPWR) failed: %s", strerror(errno));
+
+	/*
+	 * Illumos' libc forces certain register values in the ucontext_t
+	 * used to restore a post-signal user context to be those Illumos
+	 * expects; however that is not what we want to happen if the signal
+	 * was taken while branded code was executing, so we must disable
+	 * that behavior.
+	 */
+	set_setcontext_enforcement(0);
+
+	/*
+	 * The illumos libc attempts to clean up dangling uc_link pointers in
+	 * signal handling contexts when libc believes us to have escaped a
+	 * signal handler incorrectly in the past.  We want to disable this
+	 * behaviour, so that the system call emulation context saved by the
+	 * kernel brand module for lx_emulate() may be part of the context
+	 * chain without itself being used for signal handling.
+	 */
+	set_escaped_context_cleanup(0);
+
+	/*
+	 * Reset the signal mask to what we came in with.
+	 */
+	(void) sigprocmask(SIG_SETMASK, &oset, NULL);
+
+	lx_debug("interposition handler setup for SIGPWR");
+	return (0);
+}
+
+/*
+ * This code strongly resembles lx_poll(), but is here to be able to take
+ * advantage of the Linux signal helper routines.
+ */
+long
+lx_ppoll(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4, uintptr_t p5)
+{
+	struct pollfd   *lfds, *sfds;
+	nfds_t		nfds = (nfds_t)p2;
+	timespec_t	ts, *tsp = NULL;
+	int		fds_size, i, rval, revents;
+	lx_sigset_t	lxsig, *lxsigp = NULL;
+	sigset_t	sigset, *sp = NULL;
+	rctlblk_t	*rblk;
+
+	lx_debug("\tppoll(0x%p, %d, 0x%p, 0x%p, %d)", p1, p2, p3, p4, p5);
+
+	if (p3 != NULL) {
+		if (uucopy((void *)p3, &ts, sizeof (ts)) != 0)
+			return (-errno);
+
+		tsp = &ts;
+	}
+
+	if (p4 != NULL) {
+		if (uucopy((void *)p4, &lxsig, sizeof (lxsig)) != 0)
+			return (-errno);
+
+		lxsigp = &lxsig;
+		if ((size_t)p5 != sizeof (lx_sigset_t))
+			return (-EINVAL);
+
+		if (lxsigp) {
+			if ((rval = ltos_sigset(lxsigp, &sigset)) != 0)
+				return (rval);
+
+			sp = &sigset;
+		}
+	}
+
+	/*
+	 * Deal with the NULL fds[] case.
+	 */
+	if (nfds == 0 || p1 == NULL) {
+		if ((rval = ppoll(NULL, 0, tsp, sp)) < 0)
+			return (-errno);
+
+		return (rval);
+	}
+
+	if (maxfd == 0) {
+		if ((rblk = (rctlblk_t *)SAFE_ALLOCA(rctlblk_size())) == NULL)
+			return (-ENOMEM);
+
+		if (getrctl("process.max-file-descriptor", NULL, rblk,
+		    RCTL_FIRST) == -1)
+			return (-EINVAL);
+
+		maxfd = rctlblk_get_value(rblk);
+	}
+
+	if (nfds > maxfd)
+		return (-EINVAL);
+
+	/*
+	 * Note: we are assuming that the Linux and Illumos pollfd
+	 * structures are identical.  Copy in the Linux poll structure.
+	 */
+	fds_size = sizeof (struct pollfd) * nfds;
+	lfds = (struct pollfd *)SAFE_ALLOCA(fds_size);
+	if (lfds == NULL)
+		return (-ENOMEM);
+	if (uucopy((void *)p1, lfds, fds_size) != 0)
+		return (-errno);
+
+	/*
+	 * The poll system call modifies the poll structures passed in
+	 * so we'll need to make an extra copy of them.
+	 */
+	sfds = (struct pollfd *)SAFE_ALLOCA(fds_size);
+	if (sfds == NULL)
+		return (-ENOMEM);
+
+	/* Convert the Linux events bitmask into the Illumos equivalent. */
+	for (i = 0; i < nfds; i++) {
+		/*
+		 * If the caller is polling for an unsupported event, we
+		 * have to bail out.
+		 */
+		if (lfds[i].events & ~LX_POLL_SUPPORTED_EVENTS) {
+			lx_unsupported("unsupported poll events requested: "
+			    "events=0x%x", lfds[i].events);
+			return (-ENOTSUP);
+		}
+
+		sfds[i].fd = lfds[i].fd;
+		sfds[i].events = lfds[i].events & LX_POLL_COMMON_EVENTS;
+		if (lfds[i].events & LX_POLLWRNORM)
+			sfds[i].events |= POLLWRNORM;
+		if (lfds[i].events & LX_POLLWRBAND)
+			sfds[i].events |= POLLWRBAND;
+		if (lfds[i].events & LX_POLLRDHUP)
+			sfds[i].events |= POLLRDHUP;
+		sfds[i].revents = 0;
+	}
+
+	if ((rval = ppoll(sfds, nfds, tsp, sp)) < 0)
+		return (-errno);
+
+	/* Convert the Illumos revents bitmask into the Linux equivalent */
+	for (i = 0; i < nfds; i++) {
+		revents = sfds[i].revents & LX_POLL_COMMON_EVENTS;
+		if (sfds[i].revents & POLLWRBAND)
+			revents |= LX_POLLWRBAND;
+		if (sfds[i].revents & POLLRDHUP)
+			revents |= LX_POLLRDHUP;
+
+		/*
+		 * Be careful because on Illumos POLLOUT and POLLWRNORM
+		 * are defined to the same values but on Linux they
+		 * are not.
+		 */
+		if (sfds[i].revents & POLLOUT) {
+			if ((lfds[i].events & LX_POLLOUT) == 0)
+				revents &= ~LX_POLLOUT;
+			if (lfds[i].events & LX_POLLWRNORM)
+				revents |= LX_POLLWRNORM;
+		}
+
+		lfds[i].revents = revents;
+	}
+
+	/* Copy out the results */
+	if (uucopy(lfds, (void *)p1, fds_size) != 0)
+		return (-errno);
+
+	return (rval);
+}
+
+/*
+ * This code stongly resemebles lx_select(), but is here to be able to take
+ * advantage of the Linux signal helper routines.
+ */
+long
+lx_pselect6(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4,
+	uintptr_t p5, uintptr_t p6)
+{
+	int nfds = (int)p1;
+	fd_set *rfdsp = NULL;
+	fd_set *wfdsp = NULL;
+	fd_set *efdsp = NULL;
+	timespec_t ts, *tsp = NULL;
+	int fd_set_len = howmany(nfds, 8);
+	int r;
+	sigset_t sigset, *sp = NULL;
+
+	lx_debug("\tpselect6(%d, 0x%p, 0x%p, 0x%p, 0x%p, 0x%p)",
+	    p1, p2, p3, p4, p4, p6);
+
+	if (nfds > 0) {
+		if (p2 != NULL) {
+			rfdsp = SAFE_ALLOCA(fd_set_len);
+			if (rfdsp == NULL)
+				return (-ENOMEM);
+			if (uucopy((void *)p2, rfdsp, fd_set_len) != 0)
+				return (-errno);
+		}
+		if (p3 != NULL) {
+			wfdsp = SAFE_ALLOCA(fd_set_len);
+			if (wfdsp == NULL)
+				return (-ENOMEM);
+			if (uucopy((void *)p3, wfdsp, fd_set_len) != 0)
+				return (-errno);
+		}
+		if (p4 != NULL) {
+			efdsp = SAFE_ALLOCA(fd_set_len);
+			if (efdsp == NULL)
+				return (-ENOMEM);
+			if (uucopy((void *)p4, efdsp, fd_set_len) != 0)
+				return (-errno);
+		}
+	}
+
+	if (p5 != NULL) {
+		if (uucopy((void *)p5, &ts, sizeof (ts)) != 0)
+			return (-errno);
+
+		tsp = &ts;
+	}
+
+	if (p6 != NULL) {
+		/*
+		 * To force the number of arguments to be no more than six,
+		 * Linux bundles both the sigset and the size into a structure
+		 * that becomes the sixth argument.
+		 */
+		struct {
+			lx_sigset_t *addr;
+			size_t size;
+		} lx_sigset;
+
+		if (uucopy((void *)p6, &lx_sigset, sizeof (lx_sigset)) != 0)
+			return (-errno);
+
+		/*
+		 * Yes, that's right:  Linux forces a size to be passed only
+		 * so it can check that it's the size of a sigset_t.
+		 */
+		if (lx_sigset.size != sizeof (lx_sigset_t))
+			return (-EINVAL);
+
+		/*
+		 * This is where we check if the sigset is *really* NULL.
+		 */
+		if (lx_sigset.addr) {
+			if ((r = ltos_sigset(lx_sigset.addr, &sigset)) != 0)
+				return (r);
+
+			sp = &sigset;
+		}
+	}
+
+#if defined(_LP64)
+	r = pselect(nfds, rfdsp, wfdsp, efdsp, tsp, sp);
+#else
+	if (nfds >= FD_SETSIZE)
+		r = pselect_large_fdset(nfds, rfdsp, wfdsp, efdsp, tsp, sp);
+	else
+		r = pselect(nfds, rfdsp, wfdsp, efdsp, tsp, sp);
+#endif
+
+	if (r < 0)
+		return (-errno);
+
+	/*
+	 * For pselect6(), we don't honor the strange Linux select() semantics
+	 * with respect to the timestruc parameter because glibc ignores it
+	 * anyway -- just copy out the fd pointers and return.
+	 */
+	if ((rfdsp != NULL) && (uucopy(rfdsp, (void *)p2, fd_set_len) != 0))
+		return (-errno);
+	if ((wfdsp != NULL) && (uucopy(wfdsp, (void *)p3, fd_set_len) != 0))
+		return (-errno);
+	if ((efdsp != NULL) && (uucopy(efdsp, (void *)p4, fd_set_len) != 0))
+		return (-errno);
+
+	return (r);
+}
+
+/*
+ * The first argument is the pid (Linux tgid) to send the signal to, second
+ * argument is the signal to send (an lx signal), and third is the siginfo_t
+ * with extra information. We translate the code and signal only from the
+ * siginfo_t, and leave everything else the same as it gets passed through the
+ * signalling system. This is enough to get sigqueue working. See Linux man
+ * page rt_sigqueueinfo(2).
+ */
+long
+lx_rt_sigqueueinfo(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	pid_t tgid = (pid_t)p1;
+	int lx_sig = (int)p2;
+	int sig;
+	lx_siginfo_t lx_siginfo;
+	siginfo_t siginfo;
+	int s_code;
+	pid_t s_pid;
+
+	if (uucopy((void *)p3, &lx_siginfo, sizeof (lx_siginfo_t)) != 0)
+		return (-EFAULT);
+	s_code = ltos_sigcode(lx_siginfo.lsi_code);
+	if (s_code == LX_SI_CODE_NOT_EXIST)
+		return (-EINVAL);
+	if (lx_sig < 0 || lx_sig > LX_NSIG || (sig = ltos_signo[lx_sig]) < 0) {
+		return (-EINVAL);
+	}
+	/*
+	 * This case (when trying to kill pid 0) just has a different errno
+	 * returned in illumos than in Linux.
+	 */
+	if (tgid == 0)
+		return (-ESRCH);
+	if (lx_lpid_to_spid(tgid, &s_pid) != 0)
+		return (-ESRCH);
+	if (SI_CANQUEUE(s_code)) {
+		return ((syscall(SYS_sigqueue, s_pid, sig,
+		    lx_siginfo.lsi_value, s_code, 0) == -1) ?
+		    (-errno): 0);
+	} else {
+		/*
+		 * This case is unlikely, as the main entry point is through
+		 * sigqueue, which always has a queuable si_code.
+		 */
+		siginfo.si_signo = sig;
+		siginfo.si_code = s_code;
+		siginfo.si_pid = lx_siginfo.lsi_pid;
+		siginfo.si_value = lx_siginfo.lsi_value;
+		siginfo.si_uid = lx_siginfo.lsi_uid;
+		return ((syscall(SYS_brand, B_HELPER_SIGQUEUE,
+		    tgid, sig, &siginfo)) ? (-errno) : 0);
+	}
+}
+
+/*
+ * Adds an additional argument for which thread within a thread group to send
+ * the signal to (added as the second argument).
+ */
+long
+lx_rt_tgsigqueueinfo(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4)
+{
+	pid_t tgid = (pid_t)p1;
+	pid_t tid = (pid_t)p2;
+	int lx_sig = (int)p3;
+	int sig;
+	lx_siginfo_t lx_siginfo;
+	siginfo_t siginfo;
+	int si_code;
+
+	if (uucopy((void *)p4, &lx_siginfo, sizeof (lx_siginfo_t)) != 0)
+		return (-EFAULT);
+	if (lx_sig < 0 || lx_sig > LX_NSIG || (sig = ltos_signo[lx_sig]) < 0) {
+		return (-EINVAL);
+	}
+	si_code = ltos_sigcode(lx_siginfo.lsi_code);
+	if (si_code == LX_SI_CODE_NOT_EXIST)
+		return (-EINVAL);
+	/*
+	 * Check for invalid tgid and tids. That appears to be only negatives
+	 * and 0 values. Everything else that doesn't exist is instead ESRCH.
+	 */
+	if (tgid <= 0 || tid <= 0)
+		return (-EINVAL);
+	siginfo.si_signo = sig;
+	siginfo.si_code = si_code;
+	siginfo.si_pid = lx_siginfo.lsi_pid;
+	siginfo.si_value = lx_siginfo.lsi_value;
+	siginfo.si_uid = lx_siginfo.lsi_uid;
+
+	return ((syscall(SYS_brand, B_HELPER_TGSIGQUEUE, tgid, tid, sig,
+	    &siginfo)) ? (-errno) : 0);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/socket.c b/usr/src/lib/brand/lx/lx_brand/common/socket.c
new file mode 100644
index 0000000000..c73b48c49a
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/socket.c
@@ -0,0 +1,2810 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc. All rights reserved.
+ */
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <libintl.h>
+#include <strings.h>
+#include <alloca.h>
+#include <ucred.h>
+#include <limits.h>
+
+#include <sys/param.h>
+#include <sys/brand.h>
+#include <sys/syscall.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+#include <sys/un.h>
+#include <netinet/tcp.h>
+#include <netinet/igmp.h>
+#include <netinet/icmp6.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/sysmacros.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_socket.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_misc.h>
+#include <netpacket/packet.h>
+
+/*
+ * This string is used to prefix all abstract namespace Unix sockets, ie all
+ * abstract namespace sockets are converted to regular sockets in the /tmp
+ * directory with .ABSK_ prefixed to their names.
+ */
+#define	ABST_PRFX "/tmp/.ABSK_"
+#define	ABST_PRFX_LEN 11
+
+#define	LX_DEV_LOG			"/dev/log"
+#define	LX_DEV_LOG_REDIRECT		"/var/run/.dev_log_redirect"
+#define	LX_DEV_LOG_REDIRECT_LEN		18
+
+typedef enum {
+	lxa_none,
+	lxa_abstract,
+	lxa_devlog
+} lx_addr_type_t;
+
+#ifdef __i386
+
+static int lx_socket32(ulong_t *);
+static int lx_bind32(ulong_t *);
+static int lx_connect32(ulong_t *);
+static int lx_listen32(ulong_t *);
+static int lx_accept32(ulong_t *);
+static int lx_getsockname32(ulong_t *);
+static int lx_getpeername32(ulong_t *);
+static int lx_socketpair32(ulong_t *);
+static int lx_send(ulong_t *);
+static int lx_recv(ulong_t *);
+static int lx_sendto32(ulong_t *);
+static int lx_recvfrom32(ulong_t *);
+static int lx_shutdown32(ulong_t *);
+static int lx_setsockopt32(ulong_t *);
+static int lx_getsockopt32(ulong_t *);
+static int lx_sendmsg32(ulong_t *);
+static int lx_recvmsg32(ulong_t *);
+static int lx_accept4_32(ulong_t *);
+static int lx_recvmmsg32(ulong_t *);
+static int lx_sendmmsg32(ulong_t *);
+
+typedef int (*sockfn_t)(ulong_t *);
+
+static struct {
+	sockfn_t s_fn;	/* Function implementing the subcommand */
+	int s_nargs;	/* Number of arguments the function takes */
+} sockfns[] = {
+	lx_socket32, 3,
+	lx_bind32, 3,
+	lx_connect32, 3,
+	lx_listen32, 2,
+	lx_accept32, 3,
+	lx_getsockname32, 3,
+	lx_getpeername32, 3,
+	lx_socketpair32, 4,
+	lx_send, 4,
+	lx_recv, 4,
+	lx_sendto32, 6,
+	lx_recvfrom32, 6,
+	lx_shutdown32, 2,
+	lx_setsockopt32, 5,
+	lx_getsockopt32, 5,
+	lx_sendmsg32, 3,
+	lx_recvmsg32, 3,
+	lx_accept4_32, 4,
+	lx_recvmmsg32, 5,
+	lx_sendmmsg32, 4
+};
+#endif /* __i386 */
+
+/*
+ * What follows are a series of tables we use to translate Linux constants
+ * into equivalent Illumos constants and back again.  I wish this were
+ * cleaner, more programmatic, and generally nicer.  Sadly, life is messy,
+ * and Unix networking even more so.
+ */
+static const int ltos_family[LX_AF_MAX + 1] =  {
+	AF_UNSPEC, AF_UNIX, AF_INET, AF_NOTSUPPORTED, AF_NOTSUPPORTED,
+	AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED,
+	AF_NOTSUPPORTED, AF_INET6, AF_NOTSUPPORTED, AF_NOTSUPPORTED,
+	AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_LX_NETLINK,
+	AF_PACKET, AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED,
+	AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED,
+	AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED,
+	AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED,
+	AF_NOTSUPPORTED
+};
+
+#define	LX_AF_INET6	10
+#define	LX_AF_NETLINK	16
+#define	LX_AF_PACKET	17
+
+static const int stol_family[LX_AF_MAX + 1] =  {
+	AF_UNSPEC, AF_UNIX, AF_INET, AF_NOTSUPPORTED, AF_NOTSUPPORTED,
+	AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED,
+	AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED,
+	AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED,
+	AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED,
+	AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED,
+	AF_NOTSUPPORTED, LX_AF_INET6, AF_NOTSUPPORTED, AF_NOTSUPPORTED,
+	AF_NOTSUPPORTED, AF_NOTSUPPORTED, AF_NOTSUPPORTED, LX_AF_PACKET,
+	LX_AF_NETLINK
+};
+
+#define	LTOS_FAMILY(d) ((d) <= LX_AF_MAX ? ltos_family[(d)] : AF_INVAL)
+#define	STOL_FAMILY(d) ((d) <= LX_AF_MAX ? stol_family[(d)] : AF_INVAL)
+
+static const int ltos_socktype[LX_SOCK_PACKET + 1] = {
+	SOCK_NOTSUPPORTED, SOCK_STREAM, SOCK_DGRAM, SOCK_RAW,
+	SOCK_RDM, SOCK_SEQPACKET, SOCK_NOTSUPPORTED, SOCK_NOTSUPPORTED,
+	SOCK_NOTSUPPORTED, SOCK_NOTSUPPORTED, SOCK_NOTSUPPORTED
+};
+
+#define	LTOS_SOCKTYPE(t)	\
+	((t) <= LX_SOCK_PACKET ? ltos_socktype[(t)] : SOCK_INVAL)
+
+static const int stol_socktype[SOCK_SEQPACKET + 1] = {
+	SOCK_NOTSUPPORTED, LX_SOCK_DGRAM, LX_SOCK_STREAM, SOCK_NOTSUPPORTED,
+	LX_SOCK_RAW, LX_SOCK_RDM, LX_SOCK_SEQPACKET
+};
+
+/*
+ * Linux socket option type definitions
+ *
+ * The protocol `levels` are well defined (see in.h) The option values are
+ * not so well defined. Linux often uses different values vs. Illumos
+ * although they mean the same thing. For example, IP_TOS in Linux is
+ * defined as value 1 but in Illumos it is defined as value 3. This table
+ * maps all the Protocol levels to their options and maps them between
+ * Linux and Illumos and vice versa.  Hence the reason for the complexity.
+ *
+ * For a certain subset of sockopts, Linux will implicitly truncate optval
+ * input, so long as optlen meets a minimum size.  Because illumos is strict
+ * about optlen, we must cap optlen for those options.
+ */
+
+typedef struct lx_sockopt_map {
+	const int lsm_opt;	/* Illumos-native equivalent */
+	const int lsm_lcap;	/* Cap optlen to this size. (Ignored if 0) */
+} lx_sockopt_map_t;
+
+typedef struct lx_proto_opts {
+	const lx_sockopt_map_t *proto;	/* Linux to Illumos mapping table */
+	int maxentries;			/* max entries in this table */
+} lx_proto_opts_t;
+
+#define	OPTNOTSUP	-1	/* we don't support it */
+
+
+/*
+ * Linux					Illumos
+ * -----					-------
+ * IP_TOS                     1			IP_TOS      3
+ * IP_TTL                     2			IP_TTL      4
+ * IP_HDRINCL                 3			IP_HDRINCL  2
+ * IP_OPTIONS                 4			IP_OPTIONS  1
+ * IP_ROUTER_ALERT            5
+ * IP_RECVOPTS                6			IP_RECVOPTS 5
+ * IP_RETOPTS                 7			IP_RETOPTS  8
+ * IP_PKTINFO                 8
+ * IP_PKTOPTIONS              9
+ * IP_MTU_DISCOVER            10		emulated for traceroute
+ * IP_RECVERR                 11		emulated for traceroute
+ * IP_RECVTTL                 12		IP_RECVTTL  11
+ * IP_RECVTOS                 13
+ * IP_MTU                     14
+ * IP_FREEBIND                15
+ * IP_IPSEC_POLICY            16
+ * IP_XFRM_POLICY             17
+ * IP_PASSSEC                 18
+ * IP_TRANSPARENT             19
+ * IP_ORIGDSTADDR             20
+ * IP_MINTTL                  21
+ * IP_NODEFRAG                22
+ *
+ *    apparent gap
+ *
+ * IP_MULTICAST_IF            32		IP_MULTICAST_IF    16
+ * IP_MULTICAST_TTL           33		IP_MULTICAST_TTL   17
+ * IP_MULTICAST_LOOP          34		IP_MULTICAST_LOOP  18
+ * IP_ADD_MEMBERSHIP          35		IP_ADD_MEMBERSHIP  19
+ * IP_DROP_MEMBERSHIP         36		IP_DROP_MEMBERSHIP 20
+ * IP_UNBLOCK_SOURCE          37		IP_UNBLOCK_SOURCE  22
+ * IP_BLOCK_SOURCE            38		IP_BLOCK_SOURCE    21
+ * IP_ADD_SOURCE_MEMBERSHIP   39		IP_ADD_SOURCE_MEMBERSHIP 23
+ * IP_DROP_SOURCE_MEMBERSHIP  40		IP_DROP_SOURCE_MEMBERSHIP 24
+ * IP_MSFILTER                41
+ * MCAST_JOIN_GROUP           42		-> MCAST_JOIN_GROUP
+ * MCAST_BLOCK_SOURCE         43		-> MCAST_BLOCK_SOURCE
+ * MCAST_UNBLOCK_SOURCE       44		-> MCAST_UNBLOCK_SOURCE
+ * MCAST_LEAVE_GROUP          45		-> MCAST_LEAVE_GROUP
+ * MCAST_JOIN_SOURCE_GROUP    46		-> MCAST_JOIN_SOURCE_GROUP
+ * MCAST_LEAVE_SOURCE_GROUP   47		-> MCAST_LEAVE_SOURCE_GROUP
+ * MCAST_MSFILTER             48
+ * IP_MULTICAST_ALL           49
+ * IP_UNICAST_IF              50
+ *
+ * The Illumos options preceeded by '->' can be added but we might also need
+ * emulation to convert the ip_mreq_source struct.
+ */
+static const lx_sockopt_map_t ltos_ip_sockopts[LX_IP_UNICAST_IF + 1] = {
+	{ OPTNOTSUP, 0 },
+	{ IP_TOS, sizeof (int) },
+	{ IP_TTL, sizeof (int) },
+	{ IP_HDRINCL, sizeof (int) },
+	{ IP_OPTIONS, 0 },
+	{ OPTNOTSUP, 0 },
+	{ IP_RECVOPTS, sizeof (int) },
+	{ IP_RETOPTS, sizeof (int) },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ IP_RECVTTL, sizeof (int) },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ IP_MULTICAST_IF, sizeof (int) },
+	{ IP_MULTICAST_TTL, sizeof (int) },
+	{ IP_MULTICAST_LOOP, sizeof (int) },
+	{ IP_ADD_MEMBERSHIP, 0 },
+	{ IP_DROP_MEMBERSHIP, 0 },
+	{ IP_UNBLOCK_SOURCE, 0 },
+	{ IP_BLOCK_SOURCE, 0 },
+	{ IP_ADD_SOURCE_MEMBERSHIP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }
+};
+
+/*
+ * Linux			Illumos
+ * -----			-------
+ *
+ * IPV6_ADDRFORM	1
+ * IPV6_2292PKTINFO	2
+ * IPV6_2292HOPOPTS	3
+ * IPV6_2292DSTOPTS	4
+ * IPV6_2292RTHDR	5
+ * IPV6_2292PKTOPTIONS	6
+ * IPV6_CHECKSUM	7	IPV6_CHECKSUM  0x18
+ * IPV6_2292HOPLIMIT	8
+ * IPV6_NEXTHOP		9
+ * IPV6_AUTHHDR		10
+ * IPV6_UNICAST_HOPS	16	IPV6_UNICAST_HOPS  0x5
+ * IPV6_MULTICAST_IF	17	IPV6_MULTICAST_IF  0x6
+ * IPV6_MULTICAST_HOPS	18	IPV6_MULTICAST_HOPS  0x7
+ * IPV6_MULTICAST_LOOP	19	IPV6_MULTICAST_LOOP  0x8
+ * IPV6_JOIN_GROUP	20
+ * IPV6_LEAVE_GROUP	21
+ * IPV6_ROUTER_ALERT	22
+ * IPV6_MTU_DISCOVER	23
+ * IPV6_MTU		24	(discarded)
+ * IPV6_RECVERR		25
+ * IPV6_V6ONLY		26	IPV6_V6ONLY  0x27
+ * IPV6_JOIN_ANYCAST	27
+ * IPV6_LEAVE_ANYCAST	28
+ * IPV6_IPSEC_POLICY	34
+ * IPV6_XFRM_POLICY	35
+ *
+ * IPV6_RECVPKTINFO	49	IPV6_RECVPKTINFO  0x12
+ * IPV6_PKTINFO		50	IPV6_PKTINFO  0xb
+ * IPV6_RECVHOPLIMIT	51	IPV6_RECVHOPLIMIT  0x13
+ * IPV6_HOPLIMIT	52	IPV6_HOPLIMIT  0xc
+ * IPV6_RECVHOPOPTS	53
+ * IPV6_HOPOPTS		54
+ * IPV6_RTHDRDSTOPTS	55
+ * IPV6_RECVRTHDR	56
+ * IPV6_RTHDR		57
+ * IPV6_RECVDSTOPTS	58
+ * IPV6_DSTOPTS		59
+ * IPV6_RECVTCLASS	66
+ * IPV6_TCLASS		67	IPV6_TCLASS  0x26
+ */
+
+
+static const lx_sockopt_map_t ltos_ipv6_sockopts[LX_IPV6_TCLASS + 1] = {
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ IPV6_CHECKSUM, sizeof (int) },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ IPV6_UNICAST_HOPS, sizeof (int) },
+	{ IPV6_MULTICAST_IF, sizeof (int) },
+	{ IPV6_MULTICAST_HOPS, sizeof (int) },
+	{ IPV6_MULTICAST_LOOP, sizeof (int) },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ IPV6_V6ONLY, sizeof (int) },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ IPV6_RECVPKTINFO, sizeof (int) },
+	{ IPV6_PKTINFO, 0 },
+	{ IPV6_RECVHOPLIMIT, sizeof (int) },
+	{ IPV6_HOPLIMIT, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ IPV6_TCLASS, sizeof (int) }
+};
+
+/*
+ * Linux			Illumos
+ * -----			-------
+ *
+ * ICMP6_FILTER	1		ICMP6_FILTER	1
+ */
+
+static const lx_sockopt_map_t ltos_icmpv6_sockopts[LX_ICMP6_FILTER + 1] = {
+	{ OPTNOTSUP, 0 },
+	{ ICMP6_FILTER, 0 }
+};
+
+/*
+ *
+ * TCP socket option mapping:
+ *
+ * Linux					Illumos
+ * -----					-------
+ * TCP_NODELAY                1                 TCP_NODELAY      1
+ * TCP_MAXSEG                 2                 TCP_MAXSEG       2
+ * TCP_CORK                   3                 TCP_CORK         24
+ * TCP_KEEPIDLE               4                 TCP_KEEPIDLE     34
+ * TCP_KEEPINTVL              5                 TCP_KEEPINTVL    36
+ * TCP_KEEPCNT                6                 TCP_KEEPCNT      35
+ * TCP_SYNCNT                 7
+ * TCP_LINGER2                8                 TCP_LINGER2      28
+ * TCP_DEFER_ACCEPT           9
+ * TCP_WINDOW_CLAMP           10
+ * TCP_INFO                   11
+ * TCP_QUICKACK               12
+ * TCP_CONGESTION             13
+ * TCP_MD5SIG                 14
+ * TCP_THIN_LINEAR_TIMEOUTS   16
+ * TCP_THIN_DUPACK            17
+ * TCP_USER_TIMEOUT           18
+ * TCP_REPAIR                 19
+ * TCP_REPAIR_QUEUE           20
+ * TCP_QUEUE_SEQ              21
+ * TCP_REPAIR_OPTIONS         22
+ * TCP_FASTOPEN               23
+ * TCP_TIMESTAMP              24
+ * TCP_NOTSENT_LOWAT          25
+ */
+
+static const lx_sockopt_map_t ltos_tcp_sockopts[LX_TCP_NOTSENT_LOWAT + 1] = {
+	{ OPTNOTSUP, 0 },
+	{ TCP_NODELAY, sizeof (int) },
+	{ TCP_MAXSEG, sizeof (int) },
+	{ TCP_CORK, sizeof (int) },
+	{ TCP_KEEPIDLE, sizeof (int) },
+	{ TCP_KEEPINTVL, sizeof (int) },
+	{ TCP_KEEPCNT, sizeof (int) },
+	{ OPTNOTSUP, 0 },
+	{ TCP_LINGER2, sizeof (int) },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }
+};
+
+static const lx_sockopt_map_t ltos_igmp_sockopts[IGMP_MTRACE + 1] = {
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ IGMP_MINLEN, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ IGMP_MEMBERSHIP_QUERY, 0 },
+	{ IGMP_V1_MEMBERSHIP_REPORT, 0 },
+	{ IGMP_DVMRP, 0 },
+	{ IGMP_PIM, 0 },
+	{ OPTNOTSUP, 0 },
+	{ IGMP_V2_MEMBERSHIP_REPORT, 0 },
+	{ IGMP_V2_LEAVE_GROUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ IGMP_MTRACE_RESP, 0 },
+	{ IGMP_MTRACE, 0 }
+};
+
+/*
+ * Socket option mapping:
+ *
+ * Linux				Illumos
+ * -----				-------
+ * SO_DEBUG               1		SO_DEBUG       0x0001
+ * SO_REUSEADDR           2		SO_REUSEADDR   0x0004
+ * SO_TYPE                3		SO_TYPE        0x1008
+ * SO_ERROR               4		SO_ERROR       0x1007
+ * SO_DONTROUTE           5		SO_DONTROUTE   0x0010
+ * SO_BROADCAST           6		SO_BROADCAST   0x0020
+ * SO_SNDBUF              7		SO_SNDBUF      0x1001
+ * SO_RCVBUF              8		SO_RCVBUF      0x1002
+ * SO_KEEPALIVE           9		SO_KEEPALIVE   0x0008
+ * SO_OOBINLINE          10		SO_OOBINLINE   0x0100
+ * SO_NO_CHECK           11
+ * SO_PRIORITY           12
+ * SO_LINGER             13		SO_LINGER      0x0080
+ * SO_BSDCOMPAT          14		ignored by linux, emulation returns 0
+ * SO_REUSEPORT          15
+ * SO_PASSCRED           16		SO_RECVUCRED   0x0400
+ * SO_PEERCRED           17		emulated with getpeerucred
+ * SO_RCVLOWAT           18		SO_RCVLOWAT    0x1004
+ * SO_SNDLOWAT           19		SO_SNDLOWAT    0x1003
+ * SO_RCVTIMEO           20		SO_RCVTIMEO    0x1006
+ * SO_SNDTIMEO           21		SO_SNDTIMEO    0x1005
+ * SO_SECURITY_AUTHENTICATION       22
+ * SO_SECURITY_ENCRYPTION_TRANSPORT 23
+ * SO_SECURITY_ENCRYPTION_NETWORK   24
+ * SO_BINDTODEVICE       25
+ * SO_ATTACH_FILTER      26		SO_ATTACH_FILTER 0x40000001
+ * SO_DETACH_FILTER      27		SO_DETACH_FILTER 0x40000002
+ * SO_PEERNAME           28
+ * SO_TIMESTAMP          29		SO_TIMESTAMP    0x1013
+ * SO_ACCEPTCONN         30		SO_ACCEPTCONN   0x0002
+ * SO_PEERSEC            31
+ * SO_SNDBUFFORCE        32		SO_SNDBUF (FORCE is a lie)
+ * SO_RCVBUFFORCE        33		SO_RCVBUF (FORCE is a lie)
+ * SO_PASSSEC            34
+ * SO_TIMESTAMPNS        35
+ * SO_MARK               36
+ * SO_TIMESTAMPING       37
+ * SO_PROTOCOL           38		SO_PROTOTYPE    0x1009
+ * SO_DOMAIN             39		SO_DOMAIN       0x100c
+ * SO_RXQ_OVFL           40
+ * SO_WIFI_STATUS        41
+ * SO_PEEK_OFF           42
+ * SO_NOFCS              43
+ * SO_LOCK_FILTER        44
+ * SO_SELECT_ERR_QUEUE   45
+ * SO_BUSY_POLL          46
+ * SO_MAX_PACING_RATE    47
+ * SO_BPF_EXTENSIONS     48
+ */
+static const lx_sockopt_map_t ltos_socket_sockopts[LX_SO_BPF_EXTENSIONS + 1] = {
+	{ OPTNOTSUP, 0 },
+	{ SO_DEBUG, sizeof (int) },
+	{ SO_REUSEADDR, sizeof (int) },
+	{ SO_TYPE, 0 },
+	{ SO_ERROR, 0 },
+	{ SO_DONTROUTE, sizeof (int) },
+	{ SO_BROADCAST, sizeof (int) },
+	{ SO_SNDBUF, sizeof (int) },
+	{ SO_RCVBUF, sizeof (int) },
+	{ SO_KEEPALIVE, sizeof (int) },
+	{ SO_OOBINLINE, sizeof (int) },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ SO_LINGER, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ SO_RECVUCRED, sizeof (int) },
+	{ OPTNOTSUP, 0 },
+	{ SO_RCVLOWAT, sizeof (int) },
+	{ SO_SNDLOWAT, sizeof (int) },
+	{ SO_RCVTIMEO, 0 },
+	{ SO_SNDTIMEO, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ SO_ATTACH_FILTER, 0 },
+	{ SO_DETACH_FILTER, 0 },
+	{ OPTNOTSUP, 0 },
+	{ SO_TIMESTAMP, sizeof (int) },
+	{ SO_ACCEPTCONN, 0 },
+	{ OPTNOTSUP, 0 },
+	{ SO_SNDBUF, sizeof (int) },
+	{ SO_RCVBUF, sizeof (int) },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ SO_PROTOTYPE, 0 },
+	{ SO_DOMAIN, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }
+};
+
+/*
+ * See the Linux raw.7 man page for description of the socket options.
+ *    In Linux ICMP_FILTER is defined as 1 in include/uapi/linux/icmp.h
+ */
+static const lx_sockopt_map_t ltos_raw_sockopts[LX_IPV6_CHECKSUM + 1] = {
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }
+};
+
+/*
+ * PF_PACKET sockopts
+ * Linux				Illumos
+ * -----				-------
+ * PACKET_ADD_MEMBERSHIP	1	PACKET_ADD_MEMBERSHIP	0x2
+ * PACKET_DROP_MEMBERSHIP	2	PACKET_DROP_MEMBERSHIP	0x3
+ * PACKET_RECV_OUTPUT		3
+ * PACKET_RX_RING		5
+ * PACKET_STATISTICS		6	PACKET_STATISTICS	0x5
+ */
+
+static const lx_sockopt_map_t ltos_packet_sockopts[LX_PACKET_STATISTICS + 1] = {
+	{ OPTNOTSUP, 0 },
+	{ PACKET_ADD_MEMBERSHIP, 0 },
+	{ PACKET_DROP_MEMBERSHIP, 0 },
+	{ OPTNOTSUP, 0 }, { OPTNOTSUP, 0 }, { OPTNOTSUP, 0 },
+	{ PACKET_STATISTICS, 0 }
+};
+
+#define	PROTO_SOCKOPTS(opts)    \
+	{ (opts), sizeof ((opts)) / sizeof ((opts)[0]) }
+
+/*
+ * [gs]etsockopt options mapping tables
+ */
+static lx_proto_opts_t ip_sockopts_tbl = PROTO_SOCKOPTS(ltos_ip_sockopts);
+static lx_proto_opts_t ipv6_sockopts_tbl = PROTO_SOCKOPTS(ltos_ipv6_sockopts);
+static lx_proto_opts_t icmpv6_sockopts_tbl =
+    PROTO_SOCKOPTS(ltos_icmpv6_sockopts);
+static lx_proto_opts_t socket_sockopts_tbl =
+    PROTO_SOCKOPTS(ltos_socket_sockopts);
+static lx_proto_opts_t igmp_sockopts_tbl = PROTO_SOCKOPTS(ltos_igmp_sockopts);
+static lx_proto_opts_t tcp_sockopts_tbl = PROTO_SOCKOPTS(ltos_tcp_sockopts);
+static lx_proto_opts_t raw_sockopts_tbl = PROTO_SOCKOPTS(ltos_raw_sockopts);
+static lx_proto_opts_t packet_sockopts_tbl =
+    PROTO_SOCKOPTS(ltos_packet_sockopts);
+
+
+/* Needed for SO_ATTACH_FILTER */
+struct lx_bpf_program {
+    unsigned short bf_len;
+    caddr_t bf_insns;
+};
+
+/*
+ * Lifted from socket.h, since these definitions are contained within
+ * _KERNEL guards.
+ */
+#define	_CMSG_HDR_ALIGNMENT	4
+#define	_CMSG_HDR_ALIGN(x)	(((uintptr_t)(x) + _CMSG_HDR_ALIGNMENT - 1) & \
+				    ~(_CMSG_HDR_ALIGNMENT - 1))
+#define	_CMSG_DATA_ALIGN(x)						\
+	(((uintptr_t)(x) + sizeof (int) - 1) & ~(sizeof (int) - 1))
+
+#define	CMSG_FIRSTHDR(m)						\
+	(((m)->msg_controllen < sizeof (struct cmsghdr)) ?		\
+	    (struct cmsghdr *)0 : (struct cmsghdr *)((m)->msg_control))
+
+#define	CMSG_NXTHDR(m, c)						\
+	(((c) == 0) ? CMSG_FIRSTHDR(m) :			\
+	((((uintptr_t)_CMSG_HDR_ALIGN((char *)(c) +			\
+	((struct cmsghdr *)(c))->cmsg_len) + sizeof (struct cmsghdr)) >	\
+	(((uintptr_t)((struct lx_msghdr *)(m))->msg_control) +		\
+	((uintptr_t)((struct lx_msghdr *)(m))->msg_controllen))) ?	\
+	((struct cmsghdr *)0) :						\
+	((struct cmsghdr *)_CMSG_HDR_ALIGN((char *)(c) +		\
+	    ((struct cmsghdr *)(c))->cmsg_len))))
+
+#define	CMSG_LEN(l)							\
+	((unsigned int)_CMSG_DATA_ALIGN(sizeof (struct cmsghdr)) + (l))
+
+#define	CMSG_DATA(c)							\
+	((unsigned char *)_CMSG_DATA_ALIGN((struct cmsghdr *)(c) + 1))
+
+#define	LX_TO_SOL	1
+#define	SOL_TO_LX	2
+
+#define	LX_NETLINK_KOBJECT_UEVENT	15
+#define	LX_NETLINK_ROUTE		0
+
+typedef struct {
+	sa_family_t	nl_family;
+	unsigned short	nl_pad;
+	uint32_t	nl_pid;
+	uint32_t	nl_groups;
+} lx_sockaddr_nl_t;
+
+typedef struct {
+	sa_family_t	sin6_family;
+	in_port_t	sin6_port;
+	uint32_t	sin6_flowinfo;
+	struct in6_addr	sin6_addr;
+	uint32_t	sin6_scope_id;  /* Depends on scope of sin6_addr */
+	/* one 32-bit field shorter than illumos */
+} lx_sockaddr_in6_t;
+
+#if defined(_LP64)
+/*
+ * For 32-bit code the Illumos and Linux cmsghdr structure definition is the
+ * same, but for 64-bit Linux code the cmsg_len value is a long instead of an
+ * int. As a result, we need to go through a bunch of work to transform the
+ * csmgs back and forth.
+ */
+typedef struct {
+	long	cmsg_len;
+	int	cmsg_level;
+	int	cmsg_type;
+} lx_cmsghdr64_t;
+
+/*
+ * When converting from Illumos to Linux we don't know in advance how many
+ * control msgs we recv, but we do know that the Linux header is 4 bytes
+ * bigger, plus any additional alignment bytes. We'll take a guess and assume
+ * there is not 64 msgs (1 is common) and alloc an extra 256 bytes.
+ */
+#define	LX_CMSG_EXTRA	256
+
+#define	LX_CMSG_HDR_ALIGN(x)						\
+	(((uintptr_t)(x) + sizeof (long) - 1) & ~(sizeof (long) - 1))
+
+#define	LX_CMSG_DATA_ALIGN(x)						\
+	(((uintptr_t)(x) + sizeof (int) - 1) & ~(sizeof (int)  - 1))
+
+#define	LX_CMSG_DATA(c)							\
+	((unsigned char *)LX_CMSG_DATA_ALIGN((lx_cmsghdr64_t *)(c) + 1))
+
+#define	LX_CMSG_FIRSTHDR(m) 						\
+	(((m)->msg_controllen < sizeof (lx_cmsghdr64_t)) ?		\
+	(lx_cmsghdr64_t *)NULL : (lx_cmsghdr64_t *)((m)->msg_control))
+
+#define	LX_CMSG_LEN(l) (LX_CMSG_HDR_ALIGN(sizeof (lx_cmsghdr64_t)) + (l))
+
+#define	LX_CMSG_NXTHDR(m, c)						\
+	(((c) == 0) ? LX_CMSG_FIRSTHDR(m) :				\
+	((((uintptr_t)LX_CMSG_HDR_ALIGN((char *)(c) +			\
+	((lx_cmsghdr64_t *)(c))->cmsg_len) + sizeof (lx_cmsghdr64_t)) >	\
+	(((uintptr_t)((struct lx_msghdr *)(m))->msg_control) +		\
+	((uintptr_t)((struct lx_msghdr *)(m))->msg_controllen))) ?	\
+	((lx_cmsghdr64_t *)0) :						\
+	((lx_cmsghdr64_t *)LX_CMSG_HDR_ALIGN((char *)(c) +		\
+	((lx_cmsghdr64_t *)(c))->cmsg_len))))
+
+
+static void
+ltos_xform_cmsgs(struct lx_msghdr *msg, struct cmsghdr *ntv_cmsg)
+{
+	lx_cmsghdr64_t *lcmsg, *last;
+	struct cmsghdr *cmsg, *lp;
+	int nlen = 0;
+
+	cmsg = ntv_cmsg;
+	lcmsg = LX_CMSG_FIRSTHDR(msg);
+	while (lcmsg != NULL) {
+		cmsg->cmsg_len =
+		    CMSG_LEN(lcmsg->cmsg_len - sizeof (lx_cmsghdr64_t));
+		cmsg->cmsg_level = lcmsg->cmsg_level;
+		cmsg->cmsg_type = lcmsg->cmsg_type;
+
+		bcopy((void *)LX_CMSG_DATA(lcmsg), (void *)CMSG_DATA(cmsg),
+		    lcmsg->cmsg_len - sizeof (lx_cmsghdr64_t));
+
+		last = lcmsg;
+		lcmsg = LX_CMSG_NXTHDR(msg, last);
+
+		lp = cmsg;
+		cmsg = CMSG_NXTHDR(msg, lp);
+
+		nlen += (int)((uint64_t)cmsg - (uint64_t)lp);
+	}
+
+	msg->msg_control = ntv_cmsg;
+	msg->msg_controllen = nlen;
+}
+
+static int
+stol_xform_cmsgs(struct lx_msghdr *msg, lx_cmsghdr64_t *lx_cmsg)
+{
+	struct lx_msghdr tmsg;
+	lx_cmsghdr64_t *lcmsg, *last;
+	struct cmsghdr *cmsg, *lp;
+	int nlen = 0;
+	int err = 0;
+
+	/*
+	 * Create a temporary "struct lx_msghdr" so that we can use the
+	 * LX_CMSG_*HDR() iteration macros.
+	 */
+	tmsg = *msg;
+	tmsg.msg_control = lx_cmsg;
+	tmsg.msg_controllen = msg->msg_controllen + LX_CMSG_EXTRA;
+
+	lcmsg = LX_CMSG_FIRSTHDR(&tmsg);
+	cmsg = CMSG_FIRSTHDR(msg);
+	while (cmsg != NULL && err == 0) {
+		if (lcmsg == NULL) {
+			err = ENOTSUP;
+			break;
+		}
+
+		lcmsg->cmsg_len =
+		    LX_CMSG_LEN(cmsg->cmsg_len - sizeof (struct cmsghdr));
+		lcmsg->cmsg_level = cmsg->cmsg_level;
+		lcmsg->cmsg_type = cmsg->cmsg_type;
+
+		bcopy((void *)CMSG_DATA(cmsg), (void *)LX_CMSG_DATA(lcmsg),
+		    cmsg->cmsg_len - sizeof (struct cmsghdr));
+
+		lp = cmsg;
+		cmsg = CMSG_NXTHDR(msg, lp);
+
+		last = lcmsg;
+		lcmsg = LX_CMSG_NXTHDR(&tmsg, last);
+
+		nlen += (int)((uint64_t)lcmsg - (uint64_t)last);
+
+		if (nlen > (msg->msg_controllen + LX_CMSG_EXTRA)) {
+			err = ENOTSUP;
+		}
+	}
+
+	if (err) {
+		lx_unsupported("stol_xform_cmsgs exceeded the allocation "
+		    "%d %d\n", nlen, (msg->msg_controllen + LX_CMSG_EXTRA));
+	} else {
+		msg->msg_control = lx_cmsg;
+		msg->msg_controllen = nlen;
+	}
+	return (err);
+}
+#endif
+
+static int
+convert_cmsgs(int direction, struct lx_msghdr *msg, void *new_cmsg,
+    char *caller)
+{
+	struct cmsghdr *cmsg, *last;
+	int err = 0;
+	int level = 0;
+	int type = 0;
+
+#if defined(_LP64)
+	if (direction == LX_TO_SOL) {
+		ltos_xform_cmsgs(msg, (struct cmsghdr *)new_cmsg);
+	}
+#endif
+
+	cmsg = CMSG_FIRSTHDR(msg);
+	while (cmsg != NULL && err == 0) {
+		level = cmsg->cmsg_level;
+		type = cmsg->cmsg_type;
+
+		if (direction == LX_TO_SOL) {
+			if (cmsg->cmsg_level == LX_SOL_SOCKET) {
+				cmsg->cmsg_level = SOL_SOCKET;
+				if (cmsg->cmsg_type == LX_SCM_RIGHTS)
+					cmsg->cmsg_type = SCM_RIGHTS;
+				else if (cmsg->cmsg_type == LX_SCM_CRED)
+					cmsg->cmsg_type = SCM_UCRED;
+				else if (cmsg->cmsg_type == LX_SCM_TIMESTAMP)
+					cmsg->cmsg_type = SCM_TIMESTAMP;
+				else
+					err = ENOTSUP;
+			} else if (cmsg->cmsg_level == LX_IPPROTO_IPV6) {
+				if (cmsg->cmsg_type == LX_IPV6_PKTINFO) {
+					cmsg->cmsg_type = IPV6_PKTINFO;
+				}
+			} else {
+				err = ENOTSUP;
+			}
+		} else {
+			if (cmsg->cmsg_level == SOL_SOCKET) {
+				cmsg->cmsg_level = LX_SOL_SOCKET;
+				if (cmsg->cmsg_type == SCM_RIGHTS)
+					cmsg->cmsg_type = LX_SCM_RIGHTS;
+				else if (cmsg->cmsg_type == SCM_UCRED)
+					cmsg->cmsg_type = LX_SCM_CRED;
+				else if (cmsg->cmsg_type == SCM_TIMESTAMP)
+					cmsg->cmsg_type = LX_SCM_TIMESTAMP;
+				else
+					err = ENOTSUP;
+			} else if (cmsg->cmsg_level == IPPROTO_IPV6) {
+				if (cmsg->cmsg_type == IPV6_PKTINFO) {
+					cmsg->cmsg_type = LX_IPV6_PKTINFO;
+				}
+			} else {
+				err = ENOTSUP;
+			}
+		}
+
+		last = cmsg;
+		cmsg = CMSG_NXTHDR(msg, last);
+	}
+	if (err)
+		lx_unsupported("Unsupported socket control message %d "
+		    "(%d) in %s\n.", type, level, caller);
+
+#if defined(_LP64)
+	if (direction == SOL_TO_LX && err == 0) {
+		err = stol_xform_cmsgs(msg, (lx_cmsghdr64_t *)new_cmsg);
+	}
+#endif
+
+	return (err);
+}
+
+/*
+ * We may need a different size socket address vs. the one passed in.
+ */
+static int
+calc_addr_size(struct sockaddr *a, int nlen, lx_addr_type_t *type)
+{
+	struct sockaddr name;
+	sa_family_t family;
+	size_t fsize = sizeof (name.sa_family);
+
+	if (uucopy(a, &name, sizeof (struct sockaddr)) != 0)
+		return (-errno);
+	family = LTOS_FAMILY(name.sa_family);
+
+	if (family != AF_UNIX) {
+		*type = lxa_none;
+
+		if (family == AF_INET6)
+			return (sizeof (struct sockaddr_in6));
+		else if (nlen < sizeof (struct sockaddr))
+			return (sizeof (struct sockaddr));
+		else
+			return (nlen);
+	}
+
+	/*
+	 * Handle Linux abstract sockets, which are Unix sockets whose path
+	 * begins with a NULL character.
+	 */
+	if (name.sa_data[0] == '\0') {
+		*type = lxa_abstract;
+		return (nlen + ABST_PRFX_LEN);
+	}
+
+	/*
+	 * For /dev/log, we need to create the Unix domain socket away from
+	 * the (unwritable) /dev.
+	 */
+	if (strncmp(name.sa_data, LX_DEV_LOG, nlen - fsize) == 0) {
+		*type = lxa_devlog;
+		return (nlen + LX_DEV_LOG_REDIRECT_LEN);
+	}
+
+	*type = lxa_none;
+	return (nlen);
+}
+
+static int
+convert_pkt_proto(int protocol)
+{
+	switch (ntohs(protocol)) {
+	case LX_ETH_P_802_2:
+		return (ETH_P_802_2);
+	case LX_ETH_P_IP:
+		return (ETH_P_IP);
+	case LX_ETH_P_ARP:
+		return (ETH_P_ARP);
+	case LX_ETH_P_IPV6:
+		return (ETH_P_IPV6);
+	case LX_ETH_P_ALL:
+	case LX_ETH_P_802_3:
+		return (ETH_P_ALL);
+	default:
+		return (-1);
+	}
+}
+
+/*
+ * If inaddr is an abstract namespace Unix socket, this function expects addr
+ * to have enough memory to hold the expanded socket name, ie it must be of
+ * size *len + ABST_PRFX_LEN. If inaddr is a netlink socket then we expect
+ * addr to have enough memory to hold an Unix socket address.
+ */
+static int
+ltos_sockaddr(struct sockaddr *addr, socklen_t *len,
+    struct sockaddr *inaddr, socklen_t inlen, lx_addr_type_t type)
+{
+	sa_family_t family;
+	struct sockaddr_ll *sll;
+	int proto;
+	int size;
+	int i, orig_len;
+
+	/*
+	 * Note that if the buffer at inaddr is ever smaller than inlen bytes,
+	 * we may erroneously return EFAULT rather than a possible EINVAL
+	 * as the copy comes before the various checks as to whether inlen
+	 * is of the proper length for the socket type.
+	 *
+	 * This isn't an issue at present because all callers to this routine
+	 * do meet that constraint.
+	 */
+	if ((int)inlen < 0)
+		return (-EINVAL);
+	if (uucopy(inaddr, addr, inlen) != 0)
+		return (-errno);
+
+	family = LTOS_FAMILY(addr->sa_family);
+
+	switch (family) {
+		case (sa_family_t)AF_NOTSUPPORTED:
+			return (-EPROTONOSUPPORT);
+		case (sa_family_t)AF_INVAL:
+			return (-EAFNOSUPPORT);
+		case AF_INET:
+			size = sizeof (struct sockaddr);
+
+			if (inlen < size)
+				return (-EINVAL);
+
+			*len = size;
+			break;
+
+		case AF_INET6:
+			/*
+			 * The illumos sockaddr_in6 has one more 32-bit field
+			 * than the Linux version.  We assume the caller has
+			 * zeroed the sockaddr we're copying into.
+			 */
+			if (inlen != sizeof (lx_sockaddr_in6_t))
+				return (-EINVAL);
+
+			*len = sizeof (struct sockaddr_in6);
+			break;
+
+		case AF_UNIX:
+			if (inlen > sizeof (struct sockaddr_un))
+				return (-EINVAL);
+
+			*len = inlen;
+
+			/*
+			 * In order to support /dev/log -- a Unix domain socket
+			 * used for logging that has had its path hard-coded
+			 * far and wide -- we need to relocate the socket
+			 * into a writable filesystem.  This also necessitates
+			 * some cleanup in bind(); see lx_bind() for details.
+			 */
+			if (type == lxa_devlog) {
+				*len = inlen + LX_DEV_LOG_REDIRECT_LEN;
+				strcpy(addr->sa_data, LX_DEV_LOG_REDIRECT);
+				break;
+			}
+
+			/*
+			 * Linux supports abstract Unix sockets, which are
+			 * simply sockets that do not exist on the file system.
+			 * These sockets are denoted by beginning the path with
+			 * a NULL character. To support these, we strip out the
+			 * leading NULL character and change the path to point
+			 * to a real place in /tmp directory, by prepending
+			 * ABST_PRFX and replacing all illegal characters with
+			 * '_'.
+			 */
+			if (type == lxa_abstract) {
+				/*
+				 * inlen is the entire size of the sockaddr_un
+				 * data structure, including the sun_family, so
+				 * we need to subtract this out. We subtract
+				 * 1 since we want to overwrite the leadin NULL
+				 * character, and thus do not include it in the
+				 * length.
+				 */
+				orig_len = inlen - sizeof (addr->sa_family) - 1;
+
+				/*
+				 * Since abstract paths can contain illegal
+				 * filename characters, we simply replace these
+				 * with '_'
+				 */
+				for (i = 1; i < orig_len + 1; i++) {
+					if (addr->sa_data[i] == '\0' ||
+					    addr->sa_data[i] == '/')
+						addr->sa_data[i] = '_';
+				}
+
+				/*
+				 * prepend ABST_PRFX to file name, minus the
+				 * leading NULL character. This places the
+				 * socket as a hidden file in the /tmp
+				 * directory.
+				 */
+				(void) memmove(addr->sa_data + ABST_PRFX_LEN,
+				    addr->sa_data + 1, orig_len);
+				bcopy(ABST_PRFX, addr->sa_data, ABST_PRFX_LEN);
+
+				/*
+				 * Since abstract socket paths may not be NULL
+				 * terminated, we must explicitly NULL terminate
+				 * our string.
+				 */
+				addr->sa_data[orig_len + ABST_PRFX_LEN] = '\0';
+
+				/*
+				 * Make len reflect the new len of our string.
+				 * Although we removed the NULL character at the
+				 * beginning of the string, we added a NULL
+				 * character to the end, so the net gain in
+				 * length is simply ABST_PRFX_LEN.
+				 */
+				*len = inlen + ABST_PRFX_LEN;
+			}
+			break;
+
+		case AF_PACKET:
+			sll = (struct sockaddr_ll *)addr;
+			if ((proto = convert_pkt_proto(sll->sll_protocol)) < 0)
+				return (-EINVAL);
+			sll->sll_protocol = proto;
+			*len = inlen;
+			break;
+
+		default:
+			*len = inlen;
+	}
+
+	addr->sa_family = family;
+	return (0);
+}
+
+static int
+stol_sockaddr(struct sockaddr *addr, socklen_t *len,
+    struct sockaddr *inaddr, socklen_t inlen, socklen_t orig)
+{
+	int size = inlen;
+
+	switch (inaddr->sa_family) {
+	case AF_INET:
+		if (inlen > sizeof (struct sockaddr))
+			return (EINVAL);
+		break;
+
+	case AF_INET6:
+		if (inlen != sizeof (struct sockaddr_in6))
+			return (EINVAL);
+		/*
+		 * The linux sockaddr_in6 is shorter than illumos.
+		 * We just truncate the extra field on the way out
+		 */
+		size = (sizeof (lx_sockaddr_in6_t));
+		inlen = (sizeof (lx_sockaddr_in6_t));
+		break;
+
+	case AF_UNIX:
+		if (inlen > sizeof (struct sockaddr_un))
+			return (EINVAL);
+		break;
+
+	case (sa_family_t)AF_NOTSUPPORTED:
+		return (EPROTONOSUPPORT);
+
+	case (sa_family_t)AF_INVAL:
+		return (EAFNOSUPPORT);
+
+	default:
+		break;
+	}
+
+	inaddr->sa_family = STOL_FAMILY(inaddr->sa_family);
+
+	/*
+	 * If inlen is larger than orig, copy out the maximum amount of
+	 * data possible and then update *len to indicate the actual
+	 * size of all the data that it wanted to copy out.
+	 */
+	size = (orig > 0 && orig < size) ? orig : size;
+
+	if (uucopy(inaddr, addr, size) < 0)
+		return (errno);
+
+	if (uucopy(&inlen, len, sizeof (socklen_t)) < 0)
+		return (errno);
+
+	return (0);
+}
+
+static int
+convert_sock_args(int in_dom, int in_type, int in_protocol, int *out_dom,
+    int *out_type, int *out_options, int *out_protocol)
+{
+	int domain, type, options;
+
+	if (in_dom < 0 || in_type < 0 || in_protocol < 0)
+		return (-EINVAL);
+
+	domain = LTOS_FAMILY(in_dom);
+	if (domain == AF_NOTSUPPORTED || domain == AF_UNSPEC)
+		return (-EAFNOSUPPORT);
+	if (domain == AF_INVAL)
+		return (-EINVAL);
+
+	type = LTOS_SOCKTYPE(in_type & LX_SOCK_TYPE_MASK);
+	if (type == SOCK_NOTSUPPORTED)
+		return (-ESOCKTNOSUPPORT);
+	if (type == SOCK_INVAL)
+		return (-EINVAL);
+
+	/*
+	 * Linux does not allow the app to specify IP Protocol for raw
+	 * sockets.  Illumos does, so bail out here.
+	 */
+	if (domain == AF_INET && type == SOCK_RAW && in_protocol == IPPROTO_IP)
+		return (-ESOCKTNOSUPPORT);
+
+	options = 0;
+	if (in_type & LX_SOCK_NONBLOCK)
+		options |= SOCK_NONBLOCK;
+	if (in_type & LX_SOCK_CLOEXEC)
+		options |= SOCK_CLOEXEC;
+
+	/*
+	 * The protocol definitions for PF_PACKET differ between Linux and
+	 * illumos.
+	 */
+	if (domain == PF_PACKET &&
+	    (in_protocol = convert_pkt_proto(in_protocol)) < 0)
+		return (EINVAL);
+
+	*out_dom = domain;
+	*out_type = type;
+	*out_options = options;
+	*out_protocol = in_protocol;
+	return (0);
+}
+
+static int
+convert_sockflags(int lx_flags, char *call)
+{
+	int native_flags = 0;
+
+	if (lx_flags & LX_MSG_OOB) {
+		native_flags |= MSG_OOB;
+		lx_flags &= ~LX_MSG_OOB;
+	}
+
+	if (lx_flags & LX_MSG_PEEK) {
+		native_flags |= MSG_PEEK;
+		lx_flags &= ~LX_MSG_PEEK;
+	}
+
+	if (lx_flags & LX_MSG_DONTROUTE) {
+		native_flags |= MSG_DONTROUTE;
+		lx_flags &= ~LX_MSG_DONTROUTE;
+	}
+
+	if (lx_flags & LX_MSG_CTRUNC) {
+		native_flags |= MSG_CTRUNC;
+		lx_flags &= ~LX_MSG_CTRUNC;
+	}
+
+	if (lx_flags & LX_MSG_PROXY) {
+		lx_unsupported("%s: unsupported socket flag MSG_PROXY", call);
+		lx_flags &= ~LX_MSG_PROXY;
+	}
+
+	if (lx_flags & LX_MSG_TRUNC) {
+		native_flags |= MSG_TRUNC;
+		lx_flags &= ~LX_MSG_TRUNC;
+	}
+
+	if (lx_flags & LX_MSG_DONTWAIT) {
+		native_flags |= MSG_DONTWAIT;
+		lx_flags &= ~LX_MSG_DONTWAIT;
+	}
+
+	if (lx_flags & LX_MSG_EOR) {
+		native_flags |= MSG_EOR;
+		lx_flags &= ~LX_MSG_EOR;
+	}
+
+	if (lx_flags & LX_MSG_WAITALL) {
+		native_flags |= MSG_WAITALL;
+		lx_flags &= ~LX_MSG_WAITALL;
+	}
+
+	if (lx_flags & LX_MSG_FIN) {
+		lx_unsupported("%s: unsupported socket flag MSG_FIN", call);
+		lx_flags &= ~LX_MSG_FIN;
+	}
+
+	if (lx_flags & LX_MSG_SYN) {
+		lx_unsupported("%s: unsupported socket flag MSG_SYN", call);
+		lx_flags &= ~LX_MSG_SYN;
+	}
+
+	if (lx_flags & LX_MSG_CONFIRM) {
+		/*
+		 * See the Linux arp.7 and sendmsg.2 man pages. We can ignore
+		 * this option.
+		 */
+		lx_flags &= ~LX_MSG_CONFIRM;
+	}
+
+	if (lx_flags & LX_MSG_RST) {
+		lx_unsupported("%s: unsupported socket flag MSG_RST", call);
+		lx_flags &= ~LX_MSG_RST;
+	}
+
+	if (lx_flags & LX_MSG_ERRQUEUE) {
+		lx_unsupported("%s: unsupported socket flag MSG_ERRQUEUE",
+		    call);
+		lx_flags &= ~LX_MSG_ERRQUEUE;
+	}
+
+	if (lx_flags & LX_MSG_NOSIGNAL) {
+		/* MSG_NOSIGNAL handled within each caller */
+		lx_flags &= ~LX_MSG_NOSIGNAL;
+	}
+
+	if (lx_flags & LX_MSG_MORE) {
+		lx_unsupported("%s: unsupported socket flag MSG_MORE", call);
+		lx_flags &= ~LX_MSG_MORE;
+	}
+
+	if (lx_flags & LX_MSG_WAITFORONE) {
+		lx_unsupported("%s: unsupported socket flag MSG_WAITFORONE",
+		    call);
+		lx_flags &= ~LX_MSG_WAITFORONE;
+	}
+
+	if (lx_flags & LX_MSG_FASTOPEN) {
+		lx_unsupported("%s: unsupported socket flag MSG_FASTOPEN",
+		    call);
+		lx_flags &= ~LX_MSG_FASTOPEN;
+	}
+
+	if (lx_flags & LX_MSG_CMSG_CLOEXEC) {
+		lx_unsupported("%s: unsupported socket flag MSG_CMSG_CLOEXEC",
+		    call);
+		lx_flags &= ~LX_MSG_CMSG_CLOEXEC;
+	}
+
+	if (lx_flags != 0)
+		lx_unsupported("%s: unknown socket flag(s) 0x%x", call,
+		    lx_flags);
+
+	return (native_flags);
+}
+
+long
+lx_socket(int domain, int type, int protocol)
+{
+	int options;
+	int fd;
+	int err;
+
+	err = convert_sock_args(domain, type, protocol,
+	    &domain, &type, &options, &protocol);
+	if (err != 0)
+		return (err);
+
+	lx_debug("\tsocket(%d, %d, %d)", domain, type, protocol);
+
+	fd = socket(domain, type | options, protocol);
+
+	if (fd >= 0)
+		return (fd);
+
+	if (errno == EPROTONOSUPPORT)
+		return (-ESOCKTNOSUPPORT);
+
+	return (-errno);
+}
+
+long
+lx_bind(int sockfd, void *np, int nl)
+{
+	struct stat64 statbuf;
+	struct sockaddr *name;
+	socklen_t len;
+	int r, r2, ret, tmperrno;
+	int nlen;
+	lx_addr_type_t type;
+	struct stat sb;
+
+	if ((nlen = calc_addr_size(np, nl, &type)) < 0)
+		return (nlen);
+
+	if ((name = SAFE_ALLOCA(nlen)) == NULL)
+		return (-EINVAL);
+	bzero(name, nlen);
+
+	if ((r = ltos_sockaddr(name, &len, np, nl, type)) < 0)
+		return (r);
+
+	/*
+	 * There are two types of Unix domain sockets for which we need to
+	 * do some special handling with respect to bind:  abstract namespace
+	 * sockets and /dev/log.  Abstract namespace sockets are simply Unix
+	 * domain sockets that do not exist on the filesystem; we emulate them
+	 * by changing their paths in ltos_sockaddr() to point to real
+	 * file names in the  filesystem.  /dev/log is a special Unix domain
+	 * socket that is used for system logging.  On us, /dev isn't writable,
+	 * so we rewrite these sockets in ltos_sockaddr() to point to a
+	 * writable file (defined by LX_DEV_LOG_REDIRECT).  In both cases, we
+	 * introduce a new problem with respect to cleanup:  abstract namespace
+	 * sockets don't need to be cleaned up (when they are closed they are
+	 * removed) and /dev/log can't be cleaned up because it's in the
+	 * non-writable /dev.  We solve these problems by cleaning up here in
+	 * lx_bind():  before we create the socket, we check to see if it
+	 * exists.  If it does, we attempt to connect to it to see if it is in
+	 * use, or just left over from a previous lx_bind() call. If we are
+	 * unable to connect, we assume it is not in use and remove the file,
+	 * then continue on as if the file never existed.
+	 */
+	if ((type == lxa_abstract || type == lxa_devlog) &&
+	    stat(name->sa_data, &sb) == 0 && S_ISSOCK(sb.st_mode)) {
+		if ((r2 = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
+			return (-ENOSR);
+		ret = connect(r2, name, len);
+		tmperrno = errno;
+		if (close(r2) < 0)
+			return (-EINVAL);
+
+		/*
+		 * if we can't connect to the socket, assume no one is using it
+		 * and remove it, otherwise assume it is in use and return
+		 * EADDRINUSE.
+		 */
+		if ((ret < 0) && (tmperrno == ECONNREFUSED)) {
+			if (unlink(name->sa_data) < 0) {
+				return (-EADDRINUSE);
+			}
+		} else {
+			return (-EADDRINUSE);
+		}
+	}
+
+	lx_debug("\tbind(%d, 0x%p, %d)", sockfd, name, len);
+
+	if (name->sa_family == AF_UNIX)
+		lx_debug("\t\tAF_UNIX, path = %s", name->sa_data);
+
+	r = bind(sockfd, name, len);
+
+	/*
+	 * Linux returns EADDRINUSE for attempts to bind to Unix domain
+	 * sockets that aren't sockets.
+	 */
+	if ((r < 0) && (errno == EINVAL) && (name->sa_family == AF_UNIX) &&
+	    ((stat64(name->sa_data, &statbuf) == 0) &&
+	    (!S_ISSOCK(statbuf.st_mode))))
+		return (-EADDRINUSE);
+
+	return ((r < 0) ? -errno : r);
+}
+
+long
+lx_connect(int sockfd, void *np, int nl)
+{
+	struct sockaddr *name;
+	socklen_t len;
+	int r;
+	int nlen;
+	lx_addr_type_t type;
+
+	if ((nlen = calc_addr_size(np, nl, &type)) < 0)
+		return (nlen);
+
+	if ((name = SAFE_ALLOCA(nlen)) == NULL)
+		return (-EINVAL);
+	bzero(name, nlen);
+
+	if ((r = ltos_sockaddr(name, &len, np, nl, type)) < 0)
+		return (r);
+
+	lx_debug("\tconnect(%d, 0x%p, %d)", sockfd, name, len);
+
+	if (name->sa_family == AF_UNIX)
+		lx_debug("\t\tAF_UNIX, path = %s", name->sa_data);
+
+	r = connect(sockfd, name, len);
+
+	return ((r < 0) ? -errno : r);
+}
+
+long
+lx_listen(int sockfd, int backlog)
+{
+	int r;
+
+	lx_debug("\tlisten(%d, %d)", sockfd, backlog);
+	r = listen(sockfd, backlog);
+
+	return ((r < 0) ? -errno : r);
+}
+
+long
+lx_accept(int sockfd, void *name, int *nlp)
+{
+	socklen_t namelen = 0, origlen;
+	struct sockaddr *saddr;
+	int r, err;
+	int size;
+
+	lx_debug("\taccept(%d, 0x%p, 0x%p", sockfd, (struct sockaddr *)name,
+	    nlp);
+
+	/*
+	 * The Linux man page says that -1 is returned and errno is set to
+	 * EFAULT if the "name" address is bad, but it is silent on what to
+	 * set errno to if the "namelen" address is bad.  Experimentation
+	 * shows that Linux (at least the 2.4.21 kernel in CentOS) actually
+	 * sets errno to EINVAL in both cases.
+	 *
+	 * Note that we must first check the name pointer, as the Linux
+	 * docs state nothing is copied out if the "name" pointer is NULL.
+	 * If it is NULL, we don't care about the namelen pointer's value
+	 * or about dereferencing it.
+	 *
+	 * Happily, illumos' accept(3SOCKET) treats NULL name pointers and
+	 * zero namelens the same way.
+	 */
+	if ((name != NULL) &&
+	    (uucopy((void *)nlp, &namelen, sizeof (socklen_t)) != 0))
+		return ((errno == EFAULT) ? -EINVAL : -errno);
+	origlen = namelen;
+
+	if (name != NULL) {
+		/*
+		 * Use sizeof (struct sockaddr_in6) as the minimum temporary
+		 * name allocation.  This will allow families such as AF_INET6
+		 * to work properly when their namelen differs between LX and
+		 * illumos.
+		 */
+		size = sizeof (struct sockaddr_in6);
+		if (namelen > size)
+			size = namelen;
+
+		saddr = SAFE_ALLOCA(size);
+		if (saddr == NULL)
+			return (-EINVAL);
+		bzero(saddr, size);
+	} else {
+		saddr = NULL;
+	}
+
+	lx_debug("\taccept namelen = %d", namelen);
+
+	if ((r = accept(sockfd, saddr, &namelen)) < 0)
+		return ((errno == EFAULT) ? -EINVAL : -errno);
+
+	lx_debug("\taccept namelen returned %d bytes", namelen);
+
+	/*
+	 * In Linux, accept()ed sockets do not inherit anything set by
+	 * fcntl(), so filter those out.
+	 */
+	if (fcntl(r, F_SETFL, 0) < 0)
+		return (-errno);
+
+	/*
+	 * Once again, a bad "namelen" address sets errno to EINVAL, not
+	 * EFAULT.  If namelen was zero, there's no need to copy a zero back
+	 * out.
+	 *
+	 * Logic might dictate that we should check if we can write to
+	 * the namelen pointer earlier so we don't accept a pending connection
+	 * only to fail the call because we can't write the namelen value back
+	 * out. However, testing shows Linux does indeed fail the call after
+	 * accepting the connection so we must behave in a compatible manner.
+	 */
+	if ((name != NULL) && (namelen != 0)) {
+		err = stol_sockaddr((struct sockaddr *)name, (socklen_t *)nlp,
+		    saddr, namelen, origlen);
+		if (err != 0) {
+			close(r);
+			return ((err == EFAULT) ? -EINVAL : -err);
+		}
+	}
+
+	return (r);
+}
+
+long
+lx_getsockname(int sockfd, void *np, int *nlp)
+{
+	struct sockaddr *name = NULL;
+	socklen_t namelen, namelen_orig;
+	struct stat sb;
+	int err;
+
+	if (uucopy((void *)nlp, &namelen, sizeof (socklen_t)) != 0)
+		return (-errno);
+	namelen_orig = namelen;
+
+	lx_debug("\tgetsockname(%d, 0x%p, 0x%p (=%d))", sockfd,
+	    (struct sockaddr *)np, nlp, namelen);
+
+	if (fstat(sockfd, &sb) == 0 && !S_ISSOCK(sb.st_mode))
+		return (-ENOTSOCK);
+
+	/*
+	 * Use sizeof (struct sockaddr_in6) as the minimum temporary
+	 * name allocation.  This will allow families such as AF_INET6
+	 * to work properly when their namelen differs between LX and
+	 * illumos.
+	 */
+	if (namelen <= 0)
+		return (-EBADF);
+	else if (namelen < sizeof (struct sockaddr_in6))
+		namelen = sizeof (struct sockaddr_in6);
+
+	if ((name = SAFE_ALLOCA(namelen)) == NULL)
+		return (-ENOMEM);
+	bzero(name, namelen);
+
+	if (getsockname(sockfd, name, &namelen) < 0)
+		return (-errno);
+
+	/*
+	 * If the name that getsockname() wants to return is larger
+	 * than namelen, getsockname() will copy out the maximum amount
+	 * of data possible and then update namelen to indicate the
+	 * actually size of all the data that it wanted to copy out.
+	 */
+	err = stol_sockaddr((struct sockaddr *)np, (socklen_t *)nlp, name,
+	    namelen, namelen_orig);
+	return ((err != 0) ? -err : 0);
+}
+
+long
+lx_getpeername(int sockfd, void *np, int *nlp)
+{
+	struct sockaddr *name;
+	socklen_t namelen, namelen_orig;
+	int err;
+
+	if (uucopy((void *)nlp, &namelen, sizeof (socklen_t)) != 0)
+		return (-errno);
+	namelen_orig = namelen;
+
+	lx_debug("\tgetpeername(%d, 0x%p, 0x%p (=%d))", sockfd,
+	    (struct sockaddr *)np, nlp, namelen);
+
+	/* LTP can pass -1 but we'll limit the allocation to a page */
+	if ((uint32_t)namelen > 4096)
+		return (-EINVAL);
+
+	/*
+	 * Linux returns EFAULT in this case, even if the namelen parameter
+	 * is 0 (some test cases use -1, so we check for that too).  This check
+	 * will not catch other illegal addresses, but the benefit catching a
+	 * non-null illegal address here is not worth the cost of another
+	 * system call.
+	 */
+	if (np == NULL || np == (void *)-1)
+		return (-EFAULT);
+
+	/*
+	 * Use sizeof (struct sockaddr_in6) as the minimum temporary
+	 * name allocation.  This will allow families such as AF_INET6
+	 * to work properly when their namelen differs between LX and
+	 * illumos.
+	 */
+	if (namelen < sizeof (struct sockaddr_in6))
+		namelen = sizeof (struct sockaddr_in6);
+
+	name = SAFE_ALLOCA(namelen);
+	if (name == NULL)
+		return (-EINVAL);
+	bzero(name, namelen);
+
+	if ((getpeername(sockfd, name, &namelen)) < 0)
+		return (-errno);
+
+	err = stol_sockaddr((struct sockaddr *)np, (socklen_t *)nlp,
+	    name, namelen, namelen_orig);
+	if (err != 0)
+		return (-err);
+
+	return (0);
+}
+
+long
+lx_socketpair(int domain, int type, int protocol, int *sv)
+{
+	int options;
+	int fds[2];
+	int r;
+
+	r = convert_sock_args(domain, type, protocol, &domain, &type, &options,
+	    &protocol);
+	if (r != 0)
+		return (r);
+
+	lx_debug("\tsocketpair(%d, %d, %d, 0x%p)", domain, type, protocol, sv);
+
+	r = socketpair(domain, type | options, protocol, fds);
+
+	if (r == 0) {
+		if (uucopy(fds, sv, sizeof (fds)) != 0) {
+			r = errno;
+			(void) close(fds[0]);
+			(void) close(fds[1]);
+			return (-r);
+		}
+		return (0);
+	}
+
+	if (errno == EPROTONOSUPPORT)
+		return (-ESOCKTNOSUPPORT);
+
+	return (-errno);
+}
+
+long
+lx_sendto(int sockfd, void *buf, size_t len, int flags, void *lto, int tolen)
+{
+	struct sockaddr *to = NULL;
+	ssize_t r;
+	socklen_t tlen = (socklen_t)tolen;
+	int nlen;
+	lx_addr_type_t type;
+
+	int nosigpipe = flags & LX_MSG_NOSIGNAL;
+	struct sigaction newact, oact;
+
+	if (lto != NULL) {
+		if (tolen < 0)
+			return (-EINVAL);
+
+		if ((nlen = calc_addr_size(lto, tolen, &type)) < 0)
+			return (nlen);
+
+		if ((to = SAFE_ALLOCA(nlen)) == NULL)
+			return (-EINVAL);
+		bzero(to, nlen);
+
+		if ((r = ltos_sockaddr(to, &tlen, lto, tlen, type)) < 0)
+			return (r);
+	}
+
+
+	lx_debug("\tsendto(%d, 0x%p, 0x%d, 0x%x, 0x%x, %d)", sockfd, buf, len,
+	    flags, to, tlen);
+
+	flags = convert_sockflags(flags, "sendto");
+
+	/*
+	 * If nosigpipe is set, we want to emulate the Linux action of
+	 * not sending a SIGPIPE to the caller if the remote socket has
+	 * already been closed.
+	 *
+	 * As SIGPIPE is a directed signal sent only to the thread that
+	 * performed the action, we can emulate this behavior by momentarily
+	 * resetting the action for SIGPIPE to SIG_IGN, performing the socket
+	 * call, and resetting the action back to its previous value.
+	 */
+	if (nosigpipe) {
+		newact.sa_handler = SIG_IGN;
+		newact.sa_flags = 0;
+		(void) sigemptyset(&newact.sa_mask);
+
+		if (sigaction(SIGPIPE, &newact, &oact) < 0)
+			lx_err_fatal("sendto(): could not ignore SIGPIPE to "
+			    "emulate LX_MSG_NOSIGNAL");
+	}
+
+	r = sendto(sockfd, buf, len, flags, to, tlen);
+
+	if ((nosigpipe) && (sigaction(SIGPIPE, &oact, NULL) < 0))
+		lx_err_fatal("sendto(): could not reset SIGPIPE handler to "
+		    "emulate LX_MSG_NOSIGNAL");
+
+	if (r < 0) {
+		/*
+		 * according to the man page and LTP, the expected error in
+		 * this case is EPIPE.
+		 */
+		if (errno == ENOTCONN)
+			return (-EPIPE);
+		else
+			return (-errno);
+	}
+	return (r);
+}
+
+long
+lx_recvfrom(int sockfd, void *buf, size_t len, int flags, void *from,
+    socklen_t *from_lenp)
+{
+
+	struct sockaddr *orig_name = NULL;
+	struct sockaddr sname;
+	socklen_t nlen, orig_len = 0;
+
+	ssize_t r, err;
+
+	int nosigpipe = flags & LX_MSG_NOSIGNAL;
+	struct sigaction newact, oact;
+
+	lx_debug("\trecvfrom(%d, 0x%p, 0x%d, 0x%x, 0x%p, 0x%p)", sockfd, buf,
+	    len, flags, from, from_lenp);
+
+	/* LTP expects EINVAL when from_len == -1 */
+	if (from_lenp != NULL) {
+		if (uucopy(from_lenp, &nlen, sizeof (nlen)) != 0)
+			return (-errno);
+		if (nlen == -1)
+			return (-EINVAL);
+	}
+
+	/*
+	 * Allocate a temporary buffer for msg_name.  This is to account for
+	 * sockaddrs that differ in size between LX and illumos.
+	 */
+	if (from != NULL) {
+		orig_len = nlen;
+		orig_name = from;
+		nlen = sizeof (struct sockaddr);
+		if (getsockname(sockfd, &sname, &nlen) < 0)
+			nlen = sizeof (struct sockaddr);
+		if ((from = SAFE_ALLOCA(nlen)) == NULL)
+			return (-ENOMEM);
+		bzero(from, nlen);
+	}
+
+	/*
+	 * LTP sometimes passes -1 for the flags but expects a different
+	 * failure result for something else that is wrong.
+	 */
+	if (flags != -1 && flags & LX_MSG_ERRQUEUE)
+		return (-EAGAIN);
+	flags = convert_sockflags(flags, "recvfrom");
+
+	/*
+	 * If nosigpipe is set, we want to emulate the Linux action of
+	 * not sending a SIGPIPE to the caller if the remote socket has
+	 * already been closed.
+	 *
+	 * As SIGPIPE is a directed signal sent only to the thread that
+	 * performed the action, we can emulate this behavior by momentarily
+	 * resetting the action for SIGPIPE to SIG_IGN, performing the socket
+	 * call, and resetting the action back to its previous value.
+	 */
+	if (nosigpipe) {
+		newact.sa_handler = SIG_IGN;
+		newact.sa_flags = 0;
+		(void) sigemptyset(&newact.sa_mask);
+
+		if (sigaction(SIGPIPE, &newact, &oact) < 0)
+			lx_err_fatal("recvfrom(): could not ignore SIGPIPE "
+			    "to emulate LX_MSG_NOSIGNAL");
+	}
+
+	r = recvfrom(sockfd, buf, len, flags, (struct sockaddr *)from,
+	    &nlen);
+
+	if ((nosigpipe) && (sigaction(SIGPIPE, &oact, NULL) < 0))
+		lx_err_fatal("recvfrom(): could not reset SIGPIPE handler to "
+		    "emulate LX_MSG_NOSIGNAL");
+
+	/* Copy out the locally buffered name/len, if needed */
+	if (orig_name != NULL) {
+		err = stol_sockaddr(orig_name, from_lenp,
+		    (struct sockaddr *)from, nlen, orig_len);
+		if (err != 0)
+			return (-err);
+	}
+
+	return ((r < 0) ? -errno : r);
+}
+
+long
+lx_shutdown(int sockfd, int how)
+{
+	int r;
+
+	lx_debug("\tshutdown(%d, %d)", sockfd, how);
+	r = shutdown(sockfd, how);
+
+	return ((r < 0) ? -errno : r);
+}
+
+static lx_proto_opts_t *
+get_proto_opt_tbl(int level)
+{
+	switch (level) {
+	case LX_IPPROTO_IP:	return (&ip_sockopts_tbl);
+	case LX_SOL_SOCKET:	return (&socket_sockopts_tbl);
+	case LX_IPPROTO_IGMP:	return (&igmp_sockopts_tbl);
+	case LX_IPPROTO_TCP:	return (&tcp_sockopts_tbl);
+	case LX_IPPROTO_IPV6:	return (&ipv6_sockopts_tbl);
+	case LX_IPPROTO_ICMPV6:	return (&icmpv6_sockopts_tbl);
+	case LX_IPPROTO_RAW:	return (&raw_sockopts_tbl);
+	case LX_SOL_PACKET:	return (&packet_sockopts_tbl);
+	default:
+		lx_unsupported("Unsupported sockopt level %d", level);
+		return (NULL);
+	}
+}
+
+long
+lx_setsockopt(int sockfd, int level, int optname, void *optval, int optlen)
+{
+	int internal_opt;
+	uchar_t internal_uchar;
+	int r;
+	lx_proto_opts_t *proto_opts;
+	boolean_t converted = B_FALSE;
+
+	lx_debug("\tsetsockopt(%d, %d, %d, 0x%p, %d)", sockfd, level, optname,
+	    optval, optlen);
+
+	/*
+	 * The kernel returns EFAULT for all invalid addresses except NULL,
+	 * for which it returns EINVAL.  Linux wants EFAULT for NULL too.
+	 */
+	if (optval == NULL)
+		return (-EFAULT);
+
+	if (level > LX_SOL_PACKET || level == LX_IPPROTO_UDP)
+		return (-ENOPROTOOPT);
+
+	if ((proto_opts = get_proto_opt_tbl(level)) == NULL)
+		return (-ENOPROTOOPT);
+
+	if (optname <= 0 || optname >= proto_opts->maxentries) {
+		lx_unsupported("Unsupported sockopt %d, proto %d", optname,
+		    level);
+		return (-ENOPROTOOPT);
+	}
+
+	if (level == LX_IPPROTO_IP) {
+		/*
+		 * Ping sets this option to receive errors on raw sockets.
+		 * Currently we just ignore it to make ping happy. From the
+		 * Linux ip.7 man page:
+		 *    For raw sockets, IP_RECVERR enables passing of all
+		 *    received ICMP errors to the application.
+		 */
+		if (optname == LX_IP_RECVERR &&
+		    strcmp(lx_cmd_name, "ping") == 0)
+			return (0);
+
+		if (optname == LX_IP_RECVERR &&
+		    strcmp(lx_cmd_name, "traceroute") == 0)
+			return (0);
+
+		if (optname == LX_IP_MTU_DISCOVER) {
+			/*
+			 * Native programs such as traceroute use IP_DONTFRAG
+			 * instead.  Set that and ignore this flag.
+			 */
+			optname = IP_DONTFRAG;
+			converted = B_TRUE;
+		}
+
+		/*
+		 * For IP_MULTICAST_TTL and IP_MULTICAST_LOOP, Linux defines
+		 * the option value to be an integer while we define it to be
+		 * an unsigned character.  To prevent the kernel from spitting
+		 * back an error on an illegal length, verify that the option
+		 * value is less than UCHAR_MAX and then swizzle it.
+		 */
+		if (optname == LX_IP_MULTICAST_TTL ||
+		    optname == LX_IP_MULTICAST_LOOP) {
+			if (optlen != sizeof (int))
+				return (-EINVAL);
+
+			if (uucopy(optval, &internal_opt, sizeof (int)) != 0)
+				return (-errno);
+
+			if (internal_opt > UCHAR_MAX)
+				return (-EINVAL);
+
+			internal_uchar = (uchar_t)internal_opt;
+			optval = &internal_uchar;
+			optlen = sizeof (uchar_t);
+		}
+	} else if (level == LX_IPPROTO_IPV6) {
+		/*
+		 * There isn't a good translation for IPV6_MTU and certain apps
+		 * such as bind9 will bail if it cannot be set.  We just lie
+		 * about the success for now.
+		 */
+		if (optname == LX_IPV6_MTU)
+			return (0);
+	} else if (level == LX_IPPROTO_ICMPV6) {
+		if (optname == LX_ICMP6_FILTER && optval != NULL) {
+			int i;
+			icmp6_filter_t *filter;
+			/*
+			 * Surprise! Linux's ICMP6_FILTER is inverted, when
+			 * compared to illumos
+			 */
+			if (optlen != sizeof (icmp6_filter_t))
+				return (-EINVAL);
+			if ((filter = SAFE_ALLOCA(optlen)) == NULL)
+				return (-ENOMEM);
+			if (uucopy(optval, filter, optlen) != 0)
+				return (-EFAULT);
+			for (i = 0; i < 8; i++)
+				filter->__icmp6_filt[i] ^= 0xffffffff;
+			optval = filter;
+		}
+	} else if (level == LX_IPPROTO_TCP && optname == LX_TCP_DEFER_ACCEPT) {
+		/*
+		 * Emulate TCP_DEFER_ACCEPT using the datafilt(7M) socket
+		 * filter but we can't emulate the timeout aspect so treat any
+		 * non-zero value as enabling and zero as disabling.
+		 */
+		int val;
+
+		if (optlen != sizeof (val))
+			return (-EINVAL);
+		if (uucopy(optval, &val, optlen) != 0)
+			return (-EFAULT);
+		if (val < 0)
+			return (-EINVAL);
+
+		if (val > 0) {
+			if (setsockopt(sockfd, SOL_FILTER, FIL_ATTACH,
+			    "datafilt", 9) < 0) {
+				if (errno != EEXIST)
+					return (-errno);
+			}
+		} else {
+			if (setsockopt(sockfd, SOL_FILTER, FIL_DETACH,
+			    "datafilt", 9) < 0) {
+				if (errno != ENXIO)
+					return (-errno);
+			}
+		}
+		return (0);
+	} else if (level == LX_SOL_SOCKET) {
+		/* Linux ignores this option. */
+		if (optname == LX_SO_BSDCOMPAT)
+			return (0);
+
+		/* Convert bpf program struct */
+		if (optname == LX_SO_ATTACH_FILTER) {
+			struct lx_bpf_program *lbp;
+			struct bpf_program *bp;
+			if (optlen != sizeof (*lbp))
+				return (-EINVAL);
+			if ((bp = SAFE_ALLOCA(sizeof (*bp))) == NULL ||
+			    (lbp = SAFE_ALLOCA(sizeof (*lbp))) == NULL)
+				return (-ENOMEM);
+			if (uucopy(optval, lbp, sizeof (*lbp)) != 0)
+				return (-errno);
+			bp->bf_len = lbp->bf_len;
+			bp->bf_insns = (struct bpf_insn *)lbp->bf_insns;
+			optval = bp;
+		}
+
+		level = SOL_SOCKET;
+	} else if (level == LX_IPPROTO_RAW) {
+		/*
+		 * Ping sets this option. Currently we just ignore it to make
+		 * ping happy.
+		 */
+		if (optname == LX_ICMP_FILTER &&
+		    strcmp(lx_cmd_name, "ping") == 0)
+			return (0);
+		/*
+		 * Ping6 tries to set the IPV6_CHECKSUM offset in a way that
+		 * illumos won't allow.  Quietly ignore this to prevent it from
+		 * complaining.
+		 */
+		if (optname == LX_IPV6_CHECKSUM &&
+		    strcmp(lx_cmd_name, "ping6") == 0)
+			return (0);
+	} else if (level == LX_SOL_PACKET) {
+		level = SOL_PACKET;
+		if (optname == LX_PACKET_ADD_MEMBERSHIP ||
+		    optname == LX_PACKET_DROP_MEMBERSHIP) {
+			/* Convert Linux mr_type to illumos */
+			struct packet_mreq *mr;
+			if (optlen != sizeof (*mr))
+				return (-EINVAL);
+			mr = SAFE_ALLOCA(sizeof (*mr));
+			if (uucopy(optval, mr, sizeof (*mr)) != 0)
+				return (-errno);
+			if (--mr->mr_type > PACKET_MR_ALLMULTI)
+				return (-EINVAL);
+			optval = mr;
+		}
+	}
+
+	if (!converted) {
+		const lx_sockopt_map_t *mapping;
+		/*
+		 * Do a table lookup of the Illumos equivalent of the given
+		 * option.
+		 */
+		mapping = &proto_opts->proto[optname];
+		if (mapping->lsm_opt == OPTNOTSUP) {
+			lx_unsupported("unsupported sockopt %d, proto %d",
+			    optname, level);
+			return (-ENOPROTOOPT);
+		}
+		optname = mapping->lsm_opt;
+		/* Truncate the optlen if needed/allowed */
+		if (mapping->lsm_lcap != 0 && optlen > mapping->lsm_lcap) {
+			optlen = mapping->lsm_lcap;
+		}
+	}
+
+	r = setsockopt(sockfd, level, optname, optval, optlen);
+
+	return ((r < 0) ? -errno : r);
+}
+
+long
+lx_getsockopt(int sockfd, int level, int optname, void *optval, int *optlenp)
+{
+	int r;
+	int orig_optname;
+	lx_proto_opts_t *proto_opts;
+
+	lx_debug("\tgetsockopt(%d, %d, %d, 0x%p, 0x%p)", sockfd, level, optname,
+	    optval, optlenp);
+
+	/*
+	 * According to the Linux man page, a NULL optval should indicate
+	 * (as in illumos) that no return value is expected.  Instead, it
+	 * actually triggers an EFAULT error.
+	 */
+	if (optval == NULL)
+		return (-EFAULT);
+
+	if (level > LX_SOL_PACKET || level == LX_IPPROTO_UDP)
+		return (-EOPNOTSUPP);
+
+	if ((proto_opts = get_proto_opt_tbl(level)) == NULL)
+		return (-ENOPROTOOPT);
+
+	if (optname <= 0 || optname >= (proto_opts->maxentries)) {
+		lx_unsupported("Unsupported sockopt %d, proto %d", optname,
+		    level);
+		return (-ENOPROTOOPT);
+	}
+
+	if (level == LX_IPPROTO_TCP) {
+		if (optname == LX_TCP_CORK) {
+			/*
+			 * We don't support TCP_CORK but some apps rely on it.
+			 * So, rather than return an error we just return 0.
+			 * This isn't exactly a lie, since this option really
+			 * isn't set, but it's not the whole truth either.
+			 * Fortunately, we aren't under oath.
+			 */
+			r = 0;
+			if (uucopy(&r, optval, sizeof (int)) != 0)
+				return (-errno);
+			r = sizeof (int);
+			if (uucopy(&r, optlenp, sizeof (int)) != 0)
+				return (-errno);
+			return (0);
+		} else if (optname == LX_TCP_DEFER_ACCEPT) {
+			/*
+			 * We do support TCP_DEFER_ACCEPT using the
+			 * datafilt(7M) socket filter but we don't emulate the
+			 * timeout aspect so treat the existence as 1 and
+			 * absence as 0.
+			 */
+			struct fil_info fi[10];
+			int i, tot, len, r;
+
+			len = sizeof (fi);
+			if (getsockopt(sockfd, SOL_FILTER, FIL_LIST, fi,
+			    &len) < 0)
+				return (-errno);
+
+			tot = len / sizeof (struct fil_info);
+			r = 0;
+			for (i = 0; i < tot; i++) {
+				if (fi[i].fi_flags == FILF_PROG &&
+				    strcmp(fi[i].fi_name, "datafilt") == 0) {
+					r = 1;
+					break;
+				}
+			}
+
+			if (uucopy(&r, optval, sizeof (int)) != 0)
+				return (-errno);
+			r = sizeof (int);
+			if (uucopy(&r, optlenp, sizeof (int)) != 0)
+				return (-errno);
+			return (0);
+		}
+	}
+	if ((level == LX_SOL_SOCKET) && (optname == LX_SO_PEERCRED)) {
+		struct lx_ucred	lx_ucred;
+		ucred_t		*ucp;
+
+		/*
+		 * We don't support SO_PEERCRED, but we do have equivalent
+		 * functionality in getpeerucred() so invoke that here.
+		 */
+
+		/* Verify there's going to be enough room for the results. */
+		if (uucopy(optlenp, &r, sizeof (int)) != 0)
+			return (-errno);
+		if (r < sizeof (struct lx_ucred))
+			return (-EOVERFLOW);
+
+		/*
+		 * We allocate a ucred_t ourselves rather than allow
+		 * getpeerucred() to do it for us because getpeerucred()
+		 * uses malloc(3C) and we'd rather use SAFE_ALLOCA().
+		 */
+		if ((ucp = (ucred_t *)SAFE_ALLOCA(ucred_size())) == NULL)
+			return (-ENOMEM);
+
+		/* Get the credential for the remote end of this socket. */
+		if (getpeerucred(sockfd, &ucp) != 0)
+			return (-errno);
+		if (((lx_ucred.lxu_pid = ucred_getpid(ucp)) == -1) ||
+		    ((lx_ucred.lxu_uid = ucred_geteuid(ucp)) == (uid_t)-1) ||
+		    ((lx_ucred.lxu_gid = ucred_getegid(ucp)) == (gid_t)-1)) {
+			return (-errno);
+		}
+
+		/* Copy out the results. */
+		if ((uucopy(&lx_ucred, optval, sizeof (lx_ucred))) != 0)
+			return (-errno);
+		r = sizeof (lx_ucred);
+		if ((uucopy(&r, optlenp, sizeof (int))) != 0)
+			return (-errno);
+		return (0);
+	}
+	if ((level == LX_IPPROTO_ICMPV6) && (optname == LX_ICMP6_FILTER)) {
+		icmp6_filter_t *filter;
+		int i;
+
+		/* Verify there's going to be enough room for the results. */
+		if (uucopy(optlenp, &r, sizeof (int)) != 0)
+			return (-errno);
+		if (r < sizeof (icmp6_filter_t))
+			return (-EINVAL);
+		if ((filter = SAFE_ALLOCA(sizeof (icmp6_filter_t))) == NULL)
+			return (-ENOMEM);
+
+		r = getsockopt(sockfd, IPPROTO_ICMPV6, ICMP6_FILTER, filter,
+		    optlenp);
+		if (r != 0)
+			return (-errno);
+
+		/*
+		 * ICMP6_FILTER is inverted on Linux. Make it so before copying
+		 * back to caller's buffer.
+		 */
+		for (i = 0; i < 8; i++)
+			filter->__icmp6_filt[i] ^= 0xffffffff;
+		if ((uucopy(filter, optval, sizeof (icmp6_filter_t))) != 0)
+			return (-errno);
+		return (0);
+	}
+	if (level == LX_SOL_PACKET)
+		level = SOL_PACKET;
+	else if (level == LX_SOL_SOCKET)
+		level = SOL_SOCKET;
+
+	orig_optname = optname;
+
+	optname = proto_opts->proto[optname].lsm_opt;
+	if (optname == OPTNOTSUP) {
+		lx_unsupported("unsupported sockopt %d, proto %d",
+		    orig_optname, level);
+		return (-ENOPROTOOPT);
+	}
+
+	r = getsockopt(sockfd, level, optname, optval, optlenp);
+
+	if (r == 0 && level == SOL_SOCKET) {
+		switch (optname) {
+		case SO_TYPE:
+			/* translate our type back to Linux */
+			*(int *)optval = stol_socktype[(*(int *)optval)];
+			break;
+
+		case SO_ERROR:
+			*(int *)optval = lx_errno(*(int *)optval, -1);
+			break;
+		}
+	}
+
+	return ((r < 0) ? -errno : r);
+}
+
+/*
+ * libc routines that issue these system calls.  We bypass the libsocket
+ * wrappers since they explicitly turn off the MSG_XPG_2 flag we need for
+ * Linux compatibility.
+ */
+extern int _so_sendmsg();
+extern int _so_recvmsg();
+
+long
+lx_sendmsg(int sockfd, void *lmp, int flags)
+{
+	struct lx_msghdr msg;
+	struct sockaddr *name;
+	struct cmsghdr *cmsg;
+	void *new_cmsg = NULL;
+	int r, size;
+	lx_addr_type_t type;
+	socklen_t len;
+
+	int nosigpipe = flags & LX_MSG_NOSIGNAL;
+	struct sigaction newact, oact;
+
+	lx_debug("\tsendmsg(%d, 0x%p, 0x%x)", sockfd, lmp, flags);
+
+	flags = convert_sockflags(flags, "sendmsg");
+
+	if ((uucopy(lmp, &msg, sizeof (msg))) != 0)
+		return (-errno);
+
+	/*
+	 * Perform conversion on msg_name, if present.
+	 */
+	if (msg.msg_name != NULL) {
+		if (msg.msg_namelen < sizeof (struct sockaddr))
+			return (-EINVAL);
+		size = calc_addr_size(msg.msg_name, msg.msg_namelen, &type);
+		if (size < 0)
+			return (size);
+		if ((name = SAFE_ALLOCA(size)) == NULL)
+			return (-ENOMEM);
+		bzero(name, size);
+
+		if ((r = ltos_sockaddr(name, &len, msg.msg_name,
+		    msg.msg_namelen, type)) < 0)
+			return (r);
+		msg.msg_name = name;
+		msg.msg_namelen = len;
+	}
+
+	/*
+	 * If there are control messages bundled in this message, we need
+	 * to convert them from Linux to illumos.
+	 */
+	if (msg.msg_control != NULL) {
+		if (msg.msg_controllen == 0) {
+			cmsg = NULL;
+		} else {
+			cmsg = SAFE_ALLOCA(msg.msg_controllen);
+			if (cmsg == NULL)
+				return (-EINVAL);
+#if defined(_LP64)
+			/*
+			 * We don't know in advance how many control msgs
+			 * there are, but we do know that the native header is
+			 * 4 bytes smaller than the Linux header, so allocating
+			 * the same size will over-estimate what we actually
+			 * need.
+			 */
+			new_cmsg = SAFE_ALLOCA(msg.msg_controllen);
+			if (new_cmsg == NULL)
+				return (-EINVAL);
+#endif
+		}
+		if ((uucopy(msg.msg_control, cmsg,
+		    msg.msg_controllen)) != 0)
+			return (-errno);
+		msg.msg_control = cmsg;
+		if ((r = convert_cmsgs(LX_TO_SOL, &msg, new_cmsg,
+		    "sendmsg()")) != 0)
+			return (-r);
+	}
+
+	/*
+	 * If nosigpipe is set, we want to emulate the Linux action of
+	 * not sending a SIGPIPE to the caller if the remote socket has
+	 * already been closed.
+	 *
+	 * As SIGPIPE is a directed signal sent only to the thread that
+	 * performed the action, we can emulate this behavior by momentarily
+	 * resetting the action for SIGPIPE to SIG_IGN, performing the socket
+	 * call, and resetting the action back to its previous value.
+	 */
+	if (nosigpipe) {
+		newact.sa_handler = SIG_IGN;
+		newact.sa_flags = 0;
+		(void) sigemptyset(&newact.sa_mask);
+
+		if (sigaction(SIGPIPE, &newact, &oact) < 0)
+			lx_err_fatal("sendmsg(): could not ignore SIGPIPE to "
+			    "emulate LX_MSG_NOSIGNAL");
+	}
+
+	r = _so_sendmsg(sockfd, (struct msghdr *)&msg, flags | MSG_XPG4_2);
+
+	if ((nosigpipe) && (sigaction(SIGPIPE, &oact, NULL) < 0))
+		lx_err_fatal("sendmsg(): could not reset SIGPIPE handler to "
+		    "emulate LX_MSG_NOSIGNAL");
+
+	if (r < 0) {
+		/*
+		 * according to the man page and LTP, the expected error in
+		 * this case is EPIPE.
+		 */
+		if (errno == ENOTCONN)
+			return (-EPIPE);
+		else
+			return (-errno);
+	}
+
+	return (r);
+}
+
+long
+lx_recvmsg(int sockfd, void *lmp, int flags)
+{
+	struct lx_msghdr msg;
+	struct sockaddr *name, *orig_name = NULL;
+	struct sockaddr sname;
+	struct cmsghdr *cmsg = NULL;
+	void *new_cmsg = NULL;
+	int r, err;
+	socklen_t len, orig_len = 0, controllen = 0;
+	void *msg_control = NULL;
+
+	int nosigpipe = flags & LX_MSG_NOSIGNAL;
+	struct sigaction newact, oact;
+
+	lx_debug("\trecvmsg(%d, 0x%p, 0x%x)", sockfd, lmp, flags);
+
+	/*
+	 * LTP sometimes passes -1 for the flags but expects a different
+	 * failure result for something else that is wrong.
+	 */
+	if (flags != -1 && flags & LX_MSG_ERRQUEUE)
+		return (-EAGAIN);
+	flags = convert_sockflags(flags, "recvmsg");
+
+	if ((uucopy(lmp, &msg, sizeof (msg))) != 0)
+		return (-errno);
+
+	/*
+	 * Allocate a temporary buffer for msg_name.  This is to account for
+	 * sockaddrs that differ in size between LX and illumos.
+	 */
+	if (msg.msg_name != NULL) {
+		len = sizeof (struct sockaddr);
+		if (getsockname(sockfd, &sname, &len) < 0)
+			len = sizeof (struct sockaddr);
+		name = alloca(len);
+		orig_name = msg.msg_name;
+		orig_len = msg.msg_namelen;
+		msg.msg_name = name;
+		msg.msg_namelen = len;
+	}
+
+	/*
+	 * If we are expecting to have to convert any control messages,
+	 * then we should receive them into our address space instead of
+	 * the app's.
+	 */
+	if (msg.msg_control != NULL) {
+		cmsg = msg.msg_control;
+		if ((controllen = msg.msg_controllen) == 0) {
+			msg.msg_control = NULL;
+		} else {
+			/*
+			 * Note that control message buffers can be quite
+			 * long, e.g. 128KB or more.  The native stack is
+			 * not big enough for these two allocations so we
+			 * use malloc(3C).
+			 */
+			lx_debug("\tmsg.msg_controllen = %d",
+			    msg.msg_controllen);
+			if ((msg_control = malloc(msg.msg_controllen)) ==
+			    NULL) {
+				return (-ENOMEM);
+			}
+			msg.msg_control = msg_control;
+#if defined(_LP64)
+			if ((new_cmsg = malloc(msg.msg_controllen +
+			    LX_CMSG_EXTRA)) == NULL) {
+				free(msg_control);
+				return (-EINVAL);
+			}
+#endif
+		}
+	}
+
+	/*
+	 * If nosigpipe is set, we want to emulate the Linux action of
+	 * not sending a SIGPIPE to the caller if the remote socket has
+	 * already been closed.
+	 *
+	 * As SIGPIPE is a directed signal sent only to the thread that
+	 * performed the action, we can emulate this behavior by momentarily
+	 * resetting the action for SIGPIPE to SIG_IGN, performing the socket
+	 * call, and resetting the action back to its previous value.
+	 */
+	if (nosigpipe) {
+		newact.sa_handler = SIG_IGN;
+		newact.sa_flags = 0;
+		(void) sigemptyset(&newact.sa_mask);
+
+		if (sigaction(SIGPIPE, &newact, &oact) < 0) {
+			lx_err_fatal("recvmsg(): could not ignore SIGPIPE to "
+			    "emulate LX_MSG_NOSIGNAL");
+		}
+	}
+
+	r = _so_recvmsg(sockfd, (struct msghdr *)&msg, flags | MSG_XPG4_2);
+
+	if ((nosigpipe) && (sigaction(SIGPIPE, &oact, NULL) < 0)) {
+		lx_err_fatal("recvmsg(): could not reset SIGPIPE handler to "
+		    "emulate LX_MSG_NOSIGNAL");
+	}
+
+	if (r >= 0 && msg.msg_controllen >= sizeof (struct cmsghdr)) {
+		/*
+		 * If there are control messages bundled in this message, we
+		 * need to convert them from native illumos to Linux format.
+		 */
+		if ((err = convert_cmsgs(SOL_TO_LX, &msg, new_cmsg,
+		    "recvmsg()")) != 0) {
+			free(msg_control);
+			free(new_cmsg);
+			return (-err);
+		}
+
+		if (uucopy(msg.msg_control, cmsg,
+		    MIN(controllen, msg.msg_controllen)) != 0) {
+			free(msg_control);
+			free(new_cmsg);
+			return (-errno);
+		}
+	}
+
+	msg.msg_control = cmsg;
+
+	/* Restore the name and namelen fields in the msghdr */
+	if (msg.msg_name != NULL) {
+		err = stol_sockaddr(orig_name, &msg.msg_namelen, msg.msg_name,
+		    msg.msg_namelen, orig_len);
+		if (err != 0) {
+			free(msg_control);
+			free(new_cmsg);
+			return (-err);
+		}
+		msg.msg_name = orig_name;
+	}
+
+	/*
+	 * A handful of the values in the msghdr are set by the recvmsg()
+	 * call, so copy their values back to the caller.  Rather than iterate,
+	 * just copy the whole structure back.
+	 */
+	if (uucopy(&msg, lmp, sizeof (msg)) != 0) {
+		free(msg_control);
+		free(new_cmsg);
+		return (-errno);
+	}
+
+	free(msg_control);
+	free(new_cmsg);
+	return ((r < 0) ? -errno : r);
+}
+
+/*
+ * Based on the lx_accept code with the addition of the flags handling.
+ * See internal comments in that function for more explanation.
+ */
+long
+lx_accept4(int sockfd, void *np, int *nlp, int lx_flags)
+{
+	socklen_t namelen, namelen_orig;
+	struct sockaddr *name = NULL;
+	int flags = 0;
+	int r, err;
+
+	lx_debug("\taccept4(%d, 0x%p, 0x%p 0x%x", sockfd, np, nlp, lx_flags);
+
+	if ((np != NULL) &&
+	    (uucopy((void *)nlp, &namelen, sizeof (socklen_t)) != 0))
+		return ((errno == EFAULT) ? -EINVAL : -errno);
+
+	namelen_orig = namelen;
+	lx_debug("\taccept4 namelen = %d", namelen);
+
+	if (np != NULL) {
+		/*
+		 * Use sizeof (struct sockaddr_in6) as the minimum temporary
+		 * name allocation.  This will allow families such as AF_INET6
+		 * to work properly when their namelen differs between LX and
+		 * illumos.
+		 */
+		if (namelen < sizeof (struct sockaddr_in6))
+			namelen = sizeof (struct sockaddr_in6);
+
+		name = SAFE_ALLOCA(namelen);
+		if (name == NULL)
+			return (-EINVAL);
+		bzero(name, namelen);
+	}
+
+	if (lx_flags & LX_SOCK_NONBLOCK)
+		flags |= SOCK_NONBLOCK;
+
+	if (lx_flags & LX_SOCK_CLOEXEC)
+		flags |= SOCK_CLOEXEC;
+
+	if ((r = accept4(sockfd, name, &namelen, flags)) < 0)
+		return ((errno == EFAULT) ? -EINVAL : -errno);
+
+	lx_debug("\taccept4 namelen returned %d bytes", namelen);
+
+	if (np != NULL && namelen != 0) {
+		err = stol_sockaddr((struct sockaddr *)np, (socklen_t *)nlp,
+		    name, namelen, namelen_orig);
+		if (err != 0) {
+			close(r);
+			return ((err == EFAULT) ? -EINVAL : -err);
+		}
+	}
+	return (r);
+}
+
+#ifdef __i386
+
+static int
+lx_socket32(ulong_t *args)
+{
+	return (lx_socket((int)args[0], (int)args[1], (int)args[2]));
+}
+
+static int
+lx_bind32(ulong_t *args)
+{
+	return (lx_bind((int)args[0], (struct sockaddr *)args[1],
+	    (int)args[2]));
+}
+
+static int
+lx_connect32(ulong_t *args)
+{
+	return (lx_connect((int)args[0], (struct sockaddr *)args[1],
+	    (int)args[2]));
+}
+
+static int
+lx_listen32(ulong_t *args)
+{
+	return (lx_listen((int)args[0], (int)args[1]));
+}
+
+static int
+lx_accept32(ulong_t *args)
+{
+	return (lx_accept((int)args[0], (struct sockaddr *)args[1],
+	    (int *)args[2]));
+}
+
+static int
+lx_getsockname32(ulong_t *args)
+{
+	return (lx_getsockname((int)args[0], (struct sockaddr *)args[1],
+	    (int *)args[2]));
+}
+
+static int
+lx_getpeername32(ulong_t *args)
+{
+	return (lx_getpeername((int)args[0], (struct sockaddr *)args[1],
+	    (int *)args[2]));
+}
+
+static int
+lx_socketpair32(ulong_t *args)
+{
+	return (lx_socketpair((int)args[0], (int)args[1], (int)args[2],
+	    (int *)args[3]));
+}
+
+static ssize_t
+lx_send(ulong_t *args)
+{
+	int sockfd = (int)args[0];
+	void *buf = (void *)args[1];
+	size_t len = (size_t)args[2];
+	int flags = (int)args[3];
+	ssize_t r;
+
+	int nosigpipe = flags & LX_MSG_NOSIGNAL;
+	struct sigaction newact, oact;
+
+	lx_debug("\tsend(%d, 0x%p, 0x%d, 0x%x)", sockfd, buf, len, flags);
+
+	flags = convert_sockflags(flags, "send");
+
+	/*
+	 * If nosigpipe is set, we want to emulate the Linux action of
+	 * not sending a SIGPIPE to the caller if the remote socket has
+	 * already been closed.
+	 *
+	 * As SIGPIPE is a directed signal sent only to the thread that
+	 * performed the action, we can emulate this behavior by momentarily
+	 * resetting the action for SIGPIPE to SIG_IGN, performing the socket
+	 * call, and resetting the action back to its previous value.
+	 */
+	if (nosigpipe) {
+		newact.sa_handler = SIG_IGN;
+		newact.sa_flags = 0;
+		(void) sigemptyset(&newact.sa_mask);
+
+		if (sigaction(SIGPIPE, &newact, &oact) < 0)
+			lx_err_fatal("send(): could not ignore SIGPIPE to "
+			    "emulate LX_MSG_NOSIGNAL");
+	}
+
+	r = send(sockfd, buf, len, flags);
+
+	if ((nosigpipe) && (sigaction(SIGPIPE, &oact, NULL) < 0))
+		lx_err_fatal("send(): could not reset SIGPIPE handler to "
+		    "emulate LX_MSG_NOSIGNAL");
+
+	return ((r < 0) ? -errno : r);
+}
+
+static ssize_t
+lx_recv(ulong_t *args)
+{
+	int sockfd = (int)args[0];
+	void *buf = (void *)args[1];
+	size_t len = (size_t)args[2];
+	int flags = (int)args[3];
+	ssize_t r;
+
+	int nosigpipe = flags & LX_MSG_NOSIGNAL;
+	struct sigaction newact, oact;
+
+	lx_debug("\trecv(%d, 0x%p, 0x%d, 0x%x)", sockfd, buf, len, flags);
+
+	/*
+	 * LTP sometimes passes -1 for the flags but expects a different
+	 * failure result for something else that is wrong.
+	 */
+	if (flags != -1 && flags & LX_MSG_ERRQUEUE)
+		return (-EAGAIN);
+	flags = convert_sockflags(flags, "recv");
+
+	/*
+	 * If nosigpipe is set, we want to emulate the Linux action of
+	 * not sending a SIGPIPE to the caller if the remote socket has
+	 * already been closed.
+	 *
+	 * As SIGPIPE is a directed signal sent only to the thread that
+	 * performed the action, we can emulate this behavior by momentarily
+	 * resetting the action for SIGPIPE to SIG_IGN, performing the socket
+	 * call, and resetting the action back to its previous value.
+	 */
+	if (nosigpipe) {
+		newact.sa_handler = SIG_IGN;
+		newact.sa_flags = 0;
+		(void) sigemptyset(&newact.sa_mask);
+
+		if (sigaction(SIGPIPE, &newact, &oact) < 0)
+			lx_err_fatal("recv(): could not ignore SIGPIPE to "
+			    "emulate LX_MSG_NOSIGNAL");
+	}
+
+	r = recv(sockfd, buf, len, flags);
+
+	if ((nosigpipe) && (sigaction(SIGPIPE, &oact, NULL) < 0))
+		lx_err_fatal("recv(): could not reset SIGPIPE handler to "
+		    "emulate LX_MSG_NOSIGNAL");
+
+	return ((r < 0) ? -errno : r);
+}
+
+static ssize_t
+lx_sendto32(ulong_t *args)
+{
+	return (lx_sendto((int)args[0], (void *)args[1], (size_t)args[2],
+	    (int)args[3], (struct sockaddr *)args[4], (int)args[5]));
+}
+
+static ssize_t
+lx_recvfrom32(ulong_t *args)
+{
+	return (lx_recvfrom((int)args[0], (void *)args[1], (size_t)args[2],
+	    (int)args[3], (struct sockaddr *)args[4], (socklen_t *)args[5]));
+}
+
+static int
+lx_shutdown32(ulong_t *args)
+{
+	return (lx_shutdown((int)args[0], (int)args[1]));
+}
+
+static int
+lx_setsockopt32(ulong_t *args)
+{
+	return (lx_setsockopt((int)args[0], (int)args[1], (int)args[2],
+	    (void *)args[3], (int)args[4]));
+}
+
+static int
+lx_getsockopt32(ulong_t *args)
+{
+	return (lx_getsockopt((int)args[0], (int)args[1], (int)args[2],
+	    (void *)args[3], (int *)args[4]));
+}
+
+static int
+lx_sendmsg32(ulong_t *args)
+{
+	return (lx_sendmsg((int)args[0], (void *)args[1], (int)args[2]));
+}
+
+static int
+lx_recvmsg32(ulong_t *args)
+{
+	return (lx_recvmsg((int)args[0], (void *)args[1], (int)args[2]));
+}
+
+static int
+lx_accept4_32(ulong_t *args)
+{
+	return (lx_accept4((int)args[0], (struct sockaddr *)args[1],
+	    (int *)args[2], (int)args[3]));
+}
+
+static int
+lx_recvmmsg32(ulong_t *args)
+{
+	lx_unsupported("Unsupported socketcall: recvmmsg\n.");
+	return (-EINVAL);
+}
+
+static int
+lx_sendmmsg32(ulong_t *args)
+{
+	lx_unsupported("Unsupported socketcall: sendmmsg\n.");
+	return (-EINVAL);
+}
+
+long
+lx_socketcall(uintptr_t p1, uintptr_t p2)
+{
+	int subcmd = (int)p1 - 1; /* subcommands start at 1 - not 0 */
+	ulong_t args[6];
+	int r;
+
+	if (subcmd < 0 || subcmd >= LX_SENDMMSG)
+		return (-EINVAL);
+
+	/*
+	 * Copy the arguments to the subcommand in from the app's address
+	 * space, returning EFAULT if we get a bogus pointer.
+	 */
+	if (uucopy((void *)p2, args,
+	    sockfns[subcmd].s_nargs * sizeof (ulong_t)))
+		return (-errno);
+
+	r = (sockfns[subcmd].s_fn)(args);
+
+	return (r);
+}
+
+#endif /* __i386 */
diff --git a/usr/src/lib/brand/lx/lx_brand/common/stack.c b/usr/src/lib/brand/lx/lx_brand/common/stack.c
new file mode 100644
index 0000000000..e68c408ca4
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/stack.c
@@ -0,0 +1,313 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * Manage the native/emulation stack for LX-branded LWPs.
+ */
+
+#include <assert.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <errno.h>
+
+#include <thread.h>
+#include <sys/mman.h>
+#include <sys/brand.h>
+#include <sys/syscall.h>
+#include <sys/debug.h>
+
+#include <sys/lx_brand.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_thread.h>
+
+
+typedef struct lx_stack_list_ent {
+	thread_t sle_tid;
+	void *sle_stack;
+	size_t sle_stack_size;
+	lx_tsd_t *sle_tsd;
+} lx_stack_list_ent_t;
+
+static mutex_t lx_stack_list_lock = ERRORCHECKMUTEX;
+lx_stack_list_ent_t *lx_stack_list = NULL;
+unsigned int lx_stack_list_elems = 0;
+
+/*
+ * Usermode emulation alternate stack size, expressed as a page count:
+ */
+int lx_native_stack_page_count = LX_NATIVE_STACK_PAGE_COUNT;
+
+/*
+ * We use these private functions from libc to suspend signal delivery in
+ * critical sections:
+ */
+extern void _sigon(void);
+extern void _sigoff(void);
+
+void
+lx_stack_prefork(void)
+{
+	/*
+	 * The "lx_stack_list_lock" mutex is used to protect access to the list
+	 * of per-thread native stacks.  Management of native stacks is
+	 * generally performed while servicing an emulated fork(2), vfork(2) or
+	 * clone(2) system call.
+	 *
+	 * Multiple threads may be attempting to create new threads or
+	 * processes concurrently, but in the case of fork(2) only the
+	 * currently executing thread is duplicated in the child process.  We
+	 * require that the stack list lock be taken before the native fork1()
+	 * or forkx(), and released in both the parent and the child once the
+	 * operation is complete.
+	 *
+	 * Holding this mutex prevents the forked child from containing a
+	 * copy-on-write copy of a locked mutex without the thread that would
+	 * later unlock it.  We also suspend signal delivery while entering
+	 * this critical section to ensure async signal safety.
+	 */
+	_sigoff();
+	VERIFY0(mutex_lock(&lx_stack_list_lock));
+}
+
+void
+lx_stack_postfork(void)
+{
+	VERIFY0(mutex_unlock(&lx_stack_list_lock));
+	_sigon();
+}
+
+/*
+ * Free the alternate stack for this thread.
+ */
+void
+lx_free_stack(void)
+{
+	thread_t me = thr_self();
+	int i;
+
+	_sigoff();
+	VERIFY0(mutex_lock(&lx_stack_list_lock));
+
+	/*
+	 * Find this thread's stack in the list of stacks.
+	 */
+	for (i = 0; i < lx_stack_list_elems; i++) {
+		if (lx_stack_list[i].sle_tid != me) {
+			continue;
+		}
+
+		(void) munmap(lx_stack_list[i].sle_stack,
+		    lx_stack_list[i].sle_stack_size);
+
+		/*
+		 * Free the thread-specific data structure for this thread.
+		 */
+		if (lx_stack_list[i].sle_tsd != NULL) {
+			free(lx_stack_list[i].sle_tsd->lxtsd_clone_state);
+			free(lx_stack_list[i].sle_tsd);
+		}
+
+		/*
+		 * Free up this stack list entry:
+		 */
+		bzero(&lx_stack_list[i], sizeof (lx_stack_list[i]));
+
+		VERIFY0(mutex_unlock(&lx_stack_list_lock));
+		_sigon();
+		return;
+	}
+
+	/*
+	 * Did not find the stack in the list.
+	 */
+	assert(0);
+}
+
+/*
+ * After fork1(), we must unmap the stack of every thread other than the
+ * one copied into the child process.
+ */
+void
+lx_free_other_stacks(void)
+{
+	int i, this_stack = -1;
+	thread_t me = thr_self();
+
+	_sigoff();
+	VERIFY0(mutex_lock(&lx_stack_list_lock));
+
+	for (i = 0; i < lx_stack_list_elems; i++) {
+		if (lx_stack_list[i].sle_tid == me) {
+			/*
+			 * Do not unmap the stack for this LWP.
+			 */
+			this_stack = i;
+			continue;
+		} else if (lx_stack_list[i].sle_tid == 0) {
+			/*
+			 * Skip any holes in the list.
+			 */
+			continue;
+		}
+
+		/*
+		 * Free the thread-specific data structure for this thread.
+		 */
+		if (lx_stack_list[i].sle_tsd != NULL) {
+			free(lx_stack_list[i].sle_tsd->lxtsd_clone_state);
+			free(lx_stack_list[i].sle_tsd);
+		}
+
+		/*
+		 * Unmap the stack of every other LWP.
+		 */
+		(void) munmap(lx_stack_list[i].sle_stack,
+		    lx_stack_list[i].sle_stack_size);
+	}
+	/*
+	 * Did not find the stack for this LWP in the list.
+	 */
+	assert(this_stack != -1);
+
+	/*
+	 * Ensure the stack data for this LWP is in the first slot and shrink
+	 * the list.
+	 */
+	if (this_stack != 0) {
+		lx_stack_list[0] = lx_stack_list[this_stack];
+	}
+	lx_stack_list_elems = 1;
+	lx_stack_list = realloc(lx_stack_list, lx_stack_list_elems *
+	    sizeof (lx_stack_list[0]));
+	if (lx_stack_list == NULL) {
+		lx_err_fatal("failed to shrink stack list: %s",
+		    strerror(errno));
+	}
+
+	VERIFY0(mutex_unlock(&lx_stack_list_lock));
+	_sigon();
+}
+
+/*
+ * Allocate an alternate stack for the execution of native emulation routines.
+ * This routine is based, in part, on find_stack() from libc.
+ */
+int
+lx_alloc_stack(void **nstack, size_t *nstack_size)
+{
+	static int pagesize = 0;
+	static int stackprot = 0;
+	int stacksize = 0;
+	void *stack;
+
+	/*
+	 * Fetch configuration once:
+	 */
+	if (pagesize == 0) {
+		pagesize = _sysconf(_SC_PAGESIZE);
+		assert(pagesize > 0);
+	}
+	if (stackprot == 0) {
+		long lprot = _sysconf(_SC_STACK_PROT);
+
+		stackprot = lprot > 0 ? lprot : (PROT_READ | PROT_WRITE);
+	}
+
+	stacksize = lx_native_stack_page_count * pagesize;
+
+	if ((stack = mmap(NULL, stacksize, stackprot, MAP_PRIVATE |
+	    MAP_NORESERVE | MAP_ANON, -1, (off_t)0)) == MAP_FAILED) {
+		int en = errno;
+		lx_debug("lx_alloc_stack: failed to allocate stack: %s",
+		    strerror(errno));
+		errno = en;
+		return (-1);
+	}
+
+#if DEBUG
+	/*
+	 * Write a recognisable pattern into the allocated stack pages.
+	 */
+	for (pos = 0; pos < ((stacksize - 1) / 4); pos++) {
+		((uint32_t *)stack)[pos] = 0x0facade0;
+	}
+#endif
+
+	*nstack = stack;
+	*nstack_size = stacksize;
+
+	return (0);
+}
+
+/*
+ * Configure the in-kernel brand-specific LWP data with the native stack
+ * pointer for this thread.  If a stack is not passed, allocate one first.
+ */
+void
+lx_install_stack(void *stack, size_t stacksize, lx_tsd_t *tsd)
+{
+	thread_t me = thr_self();
+	int i;
+	uintptr_t stack_top;
+
+	if (stack == NULL) {
+		/*
+		 * If we were not passed a stack, then allocate one:
+		 */
+		if (lx_alloc_stack(&stack, &stacksize) == -1) {
+			lx_err_fatal("failed to allocate stack for thread "
+			    "%d: %s", me, strerror(errno));
+		}
+	}
+
+	/*
+	 * Install the stack in the global list of thread stacks.
+	 */
+	_sigoff();
+	VERIFY0(mutex_lock(&lx_stack_list_lock));
+
+	for (i = 0; i < lx_stack_list_elems; i++) {
+		assert(lx_stack_list[i].sle_tid != me);
+		if (lx_stack_list[i].sle_tid == 0)
+			break;
+	}
+	if (i >= lx_stack_list_elems) {
+		lx_stack_list_elems++;
+		lx_stack_list = realloc(lx_stack_list, lx_stack_list_elems *
+		    sizeof (lx_stack_list[0]));
+		if (lx_stack_list == NULL) {
+			lx_err_fatal("failed to extend stack list: %s",
+			    strerror(errno));
+		}
+	}
+	lx_stack_list[i].sle_tid = me;
+	lx_stack_list[i].sle_stack = stack;
+	lx_stack_list[i].sle_stack_size = stacksize;
+	lx_stack_list[i].sle_tsd = tsd;
+
+	VERIFY0(mutex_unlock(&lx_stack_list_lock));
+	_sigon();
+
+	/*
+	 * Inform the kernel of the location of the brand emulation
+	 * stack for this LWP:
+	 */
+	stack_top = (uintptr_t)stack + stacksize;
+	lx_debug("stack %p stack_top %p\n", stack, stack_top);
+	if (syscall(SYS_brand, B_SET_NATIVE_STACK, stack_top) != 0) {
+		lx_err_fatal("unable to set native stack: %s", strerror(errno));
+	}
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/stat.c b/usr/src/lib/brand/lx/lx_brand/common/stat.c
new file mode 100644
index 0000000000..7c2b5008f6
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/stat.c
@@ -0,0 +1,552 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * when a stat() is done for a non-device file, the devt returned
+ * via the stat is the devt of the device backing the filesystem which
+ * contains the file the stat was performed on.  these devts are currently
+ * untranslated.  if this turns out to cause problems in the future then
+ * we might want to add more devt translators to convert sd and cmdk
+ * devts into linux devts that normally represent disks.
+ *
+ * XXX this may not be the best place to have the devt translation code.
+ * devt translation will also be needed for /proc fs support, which will
+ * probably be done in the kernel.  we may need to move this code into
+ * the kernel and add a brand syscall to do the translation for us.  this
+ * will need to be worked out before putback.
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <strings.h>
+#include <unistd.h>
+#include <libintl.h>
+#include <sys/fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/lx_types.h>
+#include <sys/lx_stat.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_ptm.h>
+#include <sys/lx_audio.h>
+#include <sys/lx_fcntl.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_debug.h>
+#include <sys/modctl.h>
+
+/* define _KERNEL to get the devt manipulation macros */
+#define	_KERNEL
+#include <sys/sysmacros.h>
+#undef	_KERNEL
+
+
+#define	LX_PTS_MAJOR_MIN	136
+#define	LX_PTS_MAJOR_MAX	143
+#define	LX_PTS_MAX		\
+	((LX_PTS_MAJOR_MAX - LX_PTS_MAJOR_MIN + 1) * LX_MINORMASK)
+
+#define	LX_PTM_MAJOR		5
+#define	LX_PTM_MINOR		2
+
+/* values for dt_type */
+#define	DTT_INVALID	0
+#define	DTT_LIST	1
+#define	DTT_CUSTOM	2
+
+/* convience macros for access the dt_minor union */
+#define	dt_list		dt_minor.dtm_list
+#define	dt_custom	dt_minor.dtm_custom
+
+/*
+ * structure used to define devt translators
+ */
+typedef struct minor_translator {
+	char	*mt_path;	/* solaris minor node path */
+	minor_t	mt_minor;	/* solaris minor node number */
+	int	mt_lx_major;	/* linux major node number */
+	int	mt_lx_minor;	/* linux minor node number */
+} minor_translator_t;
+
+typedef struct devt_translator {
+	char				*dt_driver; /* solaris driver name */
+	major_t				dt_major; /* solaris driver number */
+
+	/* dt_type dictates how we intrepret dt_minor */
+	int				dt_type;
+	union {
+		uintptr_t		dtm_foo; /* required to compile */
+		minor_translator_t	*dtm_list;
+		int			(*dtm_custom)(dev_t, lx_dev_t *, int);
+	} dt_minor;
+} devt_translator_t;
+
+
+/*
+ * forward declerations
+ */
+static devt_translator_t devt_translators[];
+
+/*
+ * called to initialize the devt translation subsystem
+ */
+int
+lx_stat_init()
+{
+	minor_translator_t	*mt;
+	struct stat		st;
+	major_t			major;
+	char			*driver;
+	int			i, j, ret;
+
+	for (i = 0; devt_translators[i].dt_driver != NULL; i++) {
+
+		assert(devt_translators[i].dt_type != DTT_INVALID);
+
+		/* figure out the major numbers for our devt translators */
+		driver = devt_translators[i].dt_driver;
+		ret = modctl(MODGETMAJBIND,
+		    driver, strlen(driver) + 1, &major);
+		if (ret != 0) {
+			lx_err("lx_stat_init(): modctl(MODGETMAJBIND, %s) "
+			    "failed: %s\n", driver, strerror(errno));
+			lx_err("lx_stat_init(): devt translator disabled "
+			    "for: %s\n", driver);
+			devt_translators[i].dt_major = (major_t)-1;
+			continue;
+		}
+
+		/* save the major node value */
+		devt_translators[i].dt_major = major;
+
+		/* if this translator doesn't use a list mapping we're done. */
+		if (devt_translators[i].dt_type != DTT_LIST)
+			continue;
+
+		/* for each device listed, lookup the minor node number */
+		mt = devt_translators[i].dt_list;
+		for (j = 0; mt[j].mt_path != NULL; j++) {
+
+			/* stat the device */
+			ret = stat(mt[j].mt_path, &st);
+			if (ret != 0) {
+				lx_err("lx_stat_init(): stat(%s) failed: %s\n",
+				    mt[j].mt_path, strerror(errno));
+				lx_err("lx_stat_init(): devt translator "
+				    "disabled for: %s\n", mt[j].mt_path);
+				st.st_rdev = NODEV;
+			} else {
+				/* make sure the major node matches */
+				assert(getmajor(st.st_rdev) == major);
+				assert(mt[j].mt_minor < LX_MINORMASK);
+			}
+
+			/* save the minor node value */
+			mt[j].mt_minor = getminor(st.st_rdev);
+		}
+	}
+	return (0);
+}
+
+static int
+/*ARGSUSED*/
+pts_devt_translator(dev_t dev, lx_dev_t *jdev, int fd)
+{
+	minor_t	min = getminor(dev);
+	int	lx_maj;
+	int	lx_min;
+
+	/*
+	 * linux has a really small minor number name space (8 bits).
+	 * so if pts devices are limited to one major number you could
+	 * only have 256 of them.  linux addresses this issue by using
+	 * multiple major numbers for pts devices.
+	 */
+	if (min >= LX_PTS_MAX)
+		return (EOVERFLOW);
+
+	lx_maj = LX_PTS_MAJOR_MIN + (min / LX_MINORMASK);
+	lx_min = min % LX_MINORMASK;
+
+	*jdev = LX_MAKEDEVICE(lx_maj, lx_min);
+	return (0);
+}
+
+
+static int
+/*ARGSUSED*/
+ptm_devt_translator(dev_t dev, lx_dev_t *jdev, int fd)
+{
+	*jdev = LX_MAKEDEVICE(LX_PTM_MAJOR, LX_PTM_MINOR);
+	return (0);
+}
+
+static int
+audio_devt_translator(dev_t dev, lx_dev_t *jdev, int fd)
+{
+	int s_minor, l_minor;
+
+	if (fd == -1) {
+		s_minor = getminor(dev);
+	} else {
+		/*
+		 * this is a cloning device so we have to ask the driver
+		 * what kind of minor node this is
+		 */
+		if (ioctl(fd, LXA_IOC_GETMINORNUM, &s_minor) < 0)
+			return (-EINVAL);
+	}
+
+	switch (s_minor) {
+	case LXA_MINORNUM_DSP:
+		l_minor = 3;
+		break;
+	case LXA_MINORNUM_MIXER:
+		l_minor = 0;
+		break;
+	default:
+		return (-EINVAL);
+	}
+
+	*jdev = LX_MAKEDEVICE(14, l_minor);
+	return (0);
+}
+
+static void
+s2l_dev_report(dev_t dev, lx_dev_t jdev)
+{
+	major_t			maj;
+	minor_t			min;
+	int			lx_maj, lx_min;
+
+	if (!LX_DEBUG_ISENABLED)
+		return;
+
+	maj = getmajor(dev);
+	min = getminor(dev);
+
+	lx_maj = LX_GETMAJOR(jdev);
+	lx_min = LX_GETMINOR(jdev);
+
+	lx_debug("\ttranslated devt [%d, %d] -> [%d, %d]",
+	    maj, min, lx_maj, lx_min);
+}
+
+static int
+s2l_devt(dev_t dev, lx_dev_t *jdev, int fd)
+{
+	minor_translator_t	*mt;
+	int			i, j, err;
+	major_t			maj = getmajor(dev);
+	minor_t			min = getminor(dev);
+
+	/* look for a devt translator for this major number */
+	for (i = 0; devt_translators[i].dt_driver != NULL; i++) {
+		if (devt_translators[i].dt_major == maj)
+			break;
+	}
+	if (devt_translators[i].dt_driver != NULL) {
+
+		/* try to translate the solaris devt to a linux devt */
+		switch (devt_translators[i].dt_type) {
+		case DTT_LIST:
+			mt = devt_translators[i].dt_list;
+			for (j = 0; mt[j].mt_path != NULL; j++) {
+				if (mt[j].mt_minor == min) {
+					assert(mt[j].mt_minor < LX_MINORMASK);
+
+					/* found a translation */
+					*jdev = LX_MAKEDEVICE(
+					    mt[j].mt_lx_major,
+					    mt[j].mt_lx_minor);
+					s2l_dev_report(dev, *jdev);
+					return (0);
+				}
+			}
+			break;
+
+		case DTT_CUSTOM:
+			err = devt_translators[i].dt_custom(dev, jdev, fd);
+			if (err == 0)
+				s2l_dev_report(dev, *jdev);
+			return (err);
+			break;
+		}
+	}
+
+	/* we don't have a translator for this device */
+	*jdev = LX_MAKEDEVICE(maj, min);
+	return (0);
+}
+
+static int
+stat_convert(uintptr_t lx_statp, struct stat *s, int fd)
+{
+	struct lx_stat	buf;
+	lx_dev_t	st_dev, st_rdev;
+	int		err;
+
+	if ((err = s2l_devt(s->st_dev, &st_dev, fd)) != 0)
+		return (err);
+	if ((err = s2l_devt(s->st_rdev, &st_rdev, fd)) != 0)
+		return (err);
+
+	if ((st_dev > USHRT_MAX) || (st_rdev > USHRT_MAX) ||
+	    (s->st_nlink  > USHRT_MAX) || (s->st_size > LONG_MAX))
+		return (-EOVERFLOW);
+
+	/* Linux seems to report a 0 st_size for all block devices */
+	if ((s->st_mode & S_IFMT) == S_IFBLK)
+		s->st_size = 0;
+
+	bzero(&buf, sizeof (buf));
+	buf.st_dev = st_dev;
+	buf.st_rdev = st_rdev;
+	buf.st_ino = (lx_ino_t)s->st_ino;
+	buf.st_mode = s->st_mode;
+	buf.st_nlink = s->st_nlink;
+	buf.st_uid = LX_UID32_TO_UID16(s->st_uid);
+	buf.st_gid = LX_GID32_TO_GID16(s->st_gid);
+	buf.st_size = (lx_off_t)s->st_size;
+	buf.st_blksize = (lx_blksize_t)s->st_blksize;
+	buf.st_blocks = s->st_blocks;
+	buf.st_atime.ts_sec = s->st_atim.tv_sec;
+	buf.st_atime.ts_nsec = s->st_atim.tv_nsec;
+	buf.st_ctime.ts_sec = s->st_ctim.tv_sec;
+	buf.st_ctime.ts_nsec = s->st_ctim.tv_nsec;
+	buf.st_mtime.ts_sec = s->st_mtim.tv_sec;
+	buf.st_mtime.ts_nsec = s->st_mtim.tv_nsec;
+
+	if (uucopy(&buf, (void *)lx_statp, sizeof (buf)) != 0)
+		return (-errno);
+
+	return (0);
+}
+
+static int
+stat64_convert(uintptr_t lx_statp, struct stat64 *s, int fd)
+{
+	struct lx_stat64	buf;
+	lx_dev_t		st_dev, st_rdev;
+	int			err;
+
+	if ((err = s2l_devt(s->st_dev, &st_dev, fd)) != 0)
+		return (err);
+	if ((err = s2l_devt(s->st_rdev, &st_rdev, fd)) != 0)
+		return (err);
+
+	/* Linux seems to report a 0 st_size for all block devices */
+	if ((s->st_mode & S_IFMT) == S_IFBLK)
+		s->st_size = 0;
+
+	bzero(&buf, sizeof (buf));
+	buf.st_dev = st_dev;
+	buf.st_rdev = st_rdev;
+#if defined(_ILP32)
+	buf.st_small_ino = (lx_ino_t)(s->st_ino & UINT_MAX);
+#endif
+	buf.st_ino = (lx_ino64_t)s->st_ino;
+	buf.st_mode = s->st_mode;
+	buf.st_nlink = s->st_nlink;
+	buf.st_uid = s->st_uid;
+	buf.st_gid = s->st_gid;
+	buf.st_size = s->st_size;
+	buf.st_blksize = s->st_blksize;
+	buf.st_blocks = s->st_blocks;
+	buf.st_atime.ts_sec = s->st_atim.tv_sec;
+	buf.st_atime.ts_nsec = s->st_atim.tv_nsec;
+	buf.st_ctime.ts_sec = s->st_ctim.tv_sec;
+	buf.st_ctime.ts_nsec = s->st_ctim.tv_nsec;
+	buf.st_mtime.ts_sec = s->st_mtim.tv_sec;
+	buf.st_mtime.ts_nsec = s->st_mtim.tv_nsec;
+
+	if (uucopy(&buf, (void *)lx_statp, sizeof (buf)) != 0)
+		return (-errno);
+
+	return (0);
+}
+
+long
+lx_stat(uintptr_t p1, uintptr_t p2)
+{
+	char		*path = (char *)p1;
+	struct stat	sbuf;
+
+	lx_debug("\tstat(%s, ...)", path);
+	if (stat(path, &sbuf))
+		return (-errno);
+
+	return (stat_convert(p2, &sbuf, -1));
+}
+
+
+long
+lx_fstat(uintptr_t p1, uintptr_t p2)
+{
+	int		fd = (int)p1;
+	struct stat	sbuf;
+	char		*path, path_buf[MAXPATHLEN];
+
+	if (LX_DEBUG_ISENABLED) {
+		path = lx_fd_to_path(fd, path_buf, sizeof (path_buf));
+		if (path == NULL)
+			path = "?";
+
+		lx_debug("\tfstat(%d - %s, ...)", fd, path);
+	}
+	if (fstat(fd, &sbuf))
+		return (-errno);
+
+	return (stat_convert(p2, &sbuf, fd));
+}
+
+
+long
+lx_lstat(uintptr_t p1, uintptr_t p2)
+{
+	char		*path = (char *)p1;
+	struct stat	sbuf;
+
+	lx_debug("\tlstat(%s, ...)", path);
+	if (lstat(path, &sbuf))
+		return (-errno);
+
+	return (stat_convert(p2, &sbuf, -1));
+}
+
+long
+lx_stat64(uintptr_t p1, uintptr_t p2)
+{
+	char			*path = (char *)p1;
+	struct stat64		sbuf;
+
+	lx_debug("\tstat64(%s, ...)", path);
+	if (stat64(path, &sbuf))
+		return (-errno);
+
+	return (stat64_convert(p2, &sbuf, -1));
+}
+
+
+long
+lx_fstat64(uintptr_t p1, uintptr_t p2)
+{
+	int			fd = (int)p1;
+	struct stat64		sbuf;
+	char			*path, path_buf[MAXPATHLEN];
+
+	if (lx_debug_enabled != 0) {
+		path = lx_fd_to_path(fd, path_buf, sizeof (path_buf));
+		if (path == NULL)
+			path = "?";
+
+		lx_debug("\tfstat64(%d - %s, ...)", fd, path);
+	}
+	if (fstat64(fd, &sbuf))
+		return (-errno);
+
+	return (stat64_convert(p2, &sbuf, fd));
+}
+
+long
+lx_fstatat64(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4)
+{
+	int atfd = (int)p1;
+	const char *path = (const char *)p2;
+	int flag;
+	struct stat64 sbuf;
+
+	if (atfd == LX_AT_FDCWD)
+		atfd = AT_FDCWD;
+
+	flag = ltos_at_flag(p4, AT_SYMLINK_NOFOLLOW, B_TRUE);
+	if (flag < 0)
+		return (-EINVAL);
+
+	if (fstatat64(atfd, path, &sbuf, flag))
+		return (-errno);
+
+	return (stat64_convert(p3, &sbuf, -1));
+}
+
+
+long
+lx_lstat64(uintptr_t p1, uintptr_t p2)
+{
+	char			*path = (char *)p1;
+	struct stat64		sbuf;
+
+	lx_debug("\tlstat64(%s, ...)", path);
+	if (lstat64(path, &sbuf))
+		return (-errno);
+
+	return (stat64_convert(p2, &sbuf, -1));
+}
+
+/*
+ * devt translator definitions
+ */
+#define	MINOR_TRANSLATOR(path, lx_major, lx_minor)	\
+	{ path, 0, lx_major, lx_minor }
+
+#define	MINOR_TRANSLATOR_END				\
+	{ NULL, 0, 0, 0 }
+
+#define	DEVT_TRANSLATOR(drv, flags, i)		\
+	{ drv, 0, flags, (uintptr_t)i }
+
+/*
+ * translators for devts
+ */
+static minor_translator_t mtranslator_mm[] = {
+	MINOR_TRANSLATOR("/dev/null", 1, 3),
+	MINOR_TRANSLATOR("/dev/zero", 1, 5),
+	MINOR_TRANSLATOR_END
+};
+static minor_translator_t mtranslator_random[] = {
+	MINOR_TRANSLATOR("/dev/random", 1, 8),
+	MINOR_TRANSLATOR("/dev/urandom", 1, 9),
+	MINOR_TRANSLATOR_END
+};
+static minor_translator_t mtranslator_sy[] = {
+	MINOR_TRANSLATOR("/dev/tty", 5, 0),
+	MINOR_TRANSLATOR_END
+};
+static minor_translator_t mtranslator_zcons[] = {
+	MINOR_TRANSLATOR("/dev/console", 5, 1),
+	MINOR_TRANSLATOR_END
+};
+static devt_translator_t devt_translators[] = {
+	DEVT_TRANSLATOR("mm",		DTT_LIST,	&mtranslator_mm),
+	DEVT_TRANSLATOR("random",	DTT_LIST,	&mtranslator_random),
+	DEVT_TRANSLATOR("sy",		DTT_LIST,	&mtranslator_sy),
+	DEVT_TRANSLATOR("zcons",	DTT_LIST,	&mtranslator_zcons),
+	DEVT_TRANSLATOR(LX_AUDIO_DRV,	DTT_CUSTOM,	audio_devt_translator),
+	DEVT_TRANSLATOR(LX_PTM_DRV,	DTT_CUSTOM,	ptm_devt_translator),
+	DEVT_TRANSLATOR("pts",		DTT_CUSTOM,	pts_devt_translator),
+	DEVT_TRANSLATOR(NULL,		0,		0)
+};
diff --git a/usr/src/lib/brand/lx/lx_brand/common/statfs.c b/usr/src/lib/brand/lx/lx_brand/common/statfs.c
new file mode 100644
index 0000000000..b3ec94bdc8
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/statfs.c
@@ -0,0 +1,345 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <libintl.h>
+#include <string.h>
+#include <strings.h>
+#include <sys/types.h>
+#include <sys/statvfs.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+
+#include <sys/lx_debug.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_statfs.h>
+#include <sys/lx_syscall.h>
+
+/*
+ * these defines must exist before we include regexp.h, see regexp(5)
+ */
+#define	RE_SIZE		1024
+#define	INIT		char *sp = instring;
+#define	GETC()		(*sp++)
+#define	PEEKC()		(*sp)
+#define	UNGETC(c)	(--sp)
+#define	RETURN(c)	return (NULL);
+#define	ERROR(c)	return ((char *)c);
+
+/*
+ * for regular expressions we're using regexp(5).
+ *
+ * we'd really prefer to use some other nicer regular expressions
+ * interfaces (like regcmp(3c), regcomp(3c), or re_comp(3c)) but we
+ * can't because all these other interfaces rely on the ability
+ * to allocate memory via libc malloc()/calloc() calls, which
+ * we can't really do here.
+ *
+ * we could optionally use regexpr(3gen) but we don't since the
+ * interfaces there are incredibly similar to the regexp(5)
+ * interfaces we're already using and we'd have the added
+ * requirement of linking against libgen.
+ *
+ * another option that was considered is fnmatch(3c) but the
+ * limited pattern expansion capability of this interface would
+ * force us to include more patterns to check against.
+ */
+#include <regexp.h>
+
+static struct lx_ftype_path {
+	char		*lfp_path;
+	char		lfp_re[RE_SIZE];
+	int		lfp_magic;
+	char		*lfp_magic_str;
+} ftype_path_list[] = {
+	{ "^/dev/pts$",		"",
+		LX_DEVPTS_SUPER_MAGIC,	"LX_DEVPTS_SUPER_MAGIC"	},
+	{ "^/dev/pts/$",	"",
+		LX_DEVPTS_SUPER_MAGIC,	"LX_DEVPTS_SUPER_MAGIC"	},
+	{ "^/dev/pts/[0-9][0-9]*$",	"",
+		LX_DEVPTS_SUPER_MAGIC,	"LX_DEVPTS_SUPER_MAGIC"	},
+	{ NULL,			"",
+		0,			NULL			}
+};
+
+/*
+ * For lack of linux equivalents, we present lofs and zfs as being ext2. Yes,
+ * this is a total lie, but Linux can't handle the truth of ZFS -- and ext2's
+ * small surface area seems to make it the most tenable lie to tell.
+ */
+static struct lx_ftype_name {
+	const char	*lfn_name;
+	int		lfn_magic;
+	char		*lfn_magic_str;
+} ftype_name_list[] = {
+	{ "hsfs",	LX_ISOFS_SUPER_MAGIC,	"LX_ISOFS_SUPER_MAGIC"	},
+	{ "nfs",	LX_NFS_SUPER_MAGIC,	"LX_NFS_SUPER_MAGIC"	},
+	{ "pcfs",	LX_MSDOS_SUPER_MAGIC,	"LX_MSDOS_SUPER_MAGIC"	},
+	{ "lx_proc",	LX_PROC_SUPER_MAGIC,	"LX_PROC_SUPER_MAGIC"	},
+	{ "tmpfs",	LX_TMPFS_SUPER_MAGIC,	"LX_TMPFS_SUPER_MAGIC"	},
+	{ "ufs",	LX_UFS_MAGIC,		"LX_UFS_MAGIC"		},
+	{ "lofs",	LX_EXT2_SUPER_MAGIC,	"LX_EXT2_SUPER_MAGIC"	},
+	{ "zfs",	LX_EXT2_SUPER_MAGIC,	"LX_EXT2_SUPER_MAGIC"	},
+	{ NULL,		0,			NULL	}
+};
+
+int
+lx_statfs_init()
+{
+	int	i;
+	char	*rv;
+
+	for (i = 0; ftype_path_list[i].lfp_path != NULL; i++) {
+		rv = compile(
+		    ftype_path_list[i].lfp_path,
+		    ftype_path_list[i].lfp_re,
+		    ftype_path_list[i].lfp_re + RE_SIZE, '\0');
+		if (rv == NULL)
+			continue;
+
+		lx_debug("lx_statfs_init compile(\"%s\") failed",
+		    ftype_path_list[i].lfp_path);
+		return (1);
+	}
+	return (0);
+}
+
+static int
+stol_type(const char *path, const char *name)
+{
+	int	i;
+	lx_debug("\tstol_type(\"%s\", \"%s\")\n", path == NULL ? "NULL" : path,
+	    name == NULL ? "NULL" : name);
+
+	if (path != NULL) {
+		char userpath[MAXPATHLEN];
+
+		if (uucopystr(path, userpath, MAXPATHLEN) == -1)
+			return (-errno);
+
+		for (i = 0; ftype_path_list[i].lfp_path != NULL; i++) {
+			if (step(userpath, ftype_path_list[i].lfp_re) == 0)
+				continue;
+
+			/* got a match on the fs path */
+			lx_debug("\ttranslated f_type to 0x%x - %s",
+			    ftype_path_list[i].lfp_magic,
+			    ftype_path_list[i].lfp_magic_str);
+			return (ftype_path_list[i].lfp_magic);
+		}
+	}
+
+	assert(name != NULL);
+	for (i = 0; ftype_name_list[i].lfn_name != NULL; i++) {
+		if (strcmp(name, ftype_name_list[i].lfn_name) == 0) {
+
+			/* got a match on the fs name */
+			lx_debug("\ttranslated f_type to 0x%x - %s",
+			    ftype_name_list[i].lfn_magic,
+			    ftype_name_list[i].lfn_magic_str);
+			return (ftype_name_list[i].lfn_magic);
+		}
+	}
+
+	/* we don't know what the fs type is so just set it to 0 */
+	return (0);
+}
+
+/*
+ * The Linux statfs() is similar to the Solaris statvfs() call, the main
+ * difference being the use of a numeric 'f_type' identifier instead of the
+ * 'f_basetype' string.
+ */
+static int
+stol_statfs(const char *path, struct lx_statfs *l, struct statvfs *s)
+{
+	int type;
+
+	if ((type = stol_type(path, s->f_basetype)) < 0)
+		return (type);
+
+	l->f_type = type;
+	l->f_bsize = s->f_frsize;	/* other fields depend on frsize */
+	l->f_blocks = s->f_blocks;
+	l->f_bfree = s->f_bfree;
+	l->f_bavail = s->f_bavail;
+	l->f_files = s->f_files;
+	l->f_ffree = s->f_ffree;
+	l->f_fsid = s->f_fsid;
+	l->f_namelen = s->f_namemax;
+	l->f_frsize = s->f_frsize;
+	bzero(&(l->f_spare), sizeof (l->f_spare));
+
+	return (0);
+}
+
+static int
+stol_statfs64(const char *path, struct lx_statfs64 *l, struct statvfs64 *s)
+{
+	int type;
+
+	if ((type = stol_type(path, s->f_basetype)) < 0)
+		return (type);
+
+	l->f_type = type;
+	l->f_bsize = s->f_frsize;	/* other fields depend on frsize */
+	l->f_blocks = s->f_blocks;
+	l->f_bfree = s->f_bfree;
+	l->f_bavail = s->f_bavail;
+	l->f_files = s->f_files;
+	l->f_ffree = s->f_ffree;
+	l->f_fsid = s->f_fsid;
+	l->f_namelen = s->f_namemax;
+	l->f_frsize = s->f_frsize;
+	bzero(&(l->f_spare), sizeof (l->f_spare));
+
+	return (0);
+}
+
+long
+lx_statfs(uintptr_t p1, uintptr_t p2)
+{
+	const char *path = (const char *)p1;
+	struct lx_statfs lxfs, *fs = (struct lx_statfs *)p2;
+	struct statvfs vfs;
+	int err;
+
+	lx_debug("\tstatvfs(%s, 0x%p)", path, fs);
+	if (statvfs(path, &vfs) != 0)
+		return (-errno);
+
+	if ((err = stol_statfs(path, &lxfs, &vfs)) != 0)
+		return (err);
+
+	if (uucopy(&lxfs, fs, sizeof (struct lx_statfs)) != 0)
+		return (-errno);
+
+	return (0);
+}
+
+long
+lx_fstatfs(uintptr_t p1, uintptr_t p2)
+{
+	struct lx_statfs lxfs, *fs = (struct lx_statfs *)p2;
+	struct stat64 sb;
+	struct statvfs vfs;
+	char *path, path_buf[MAXPATHLEN];
+	int fd = (int)p1;
+	int err;
+
+	lx_debug("\tfstatvfs(%d, 0x%p)", fd, fs);
+
+	/*
+	 * fstatfs emulation for a pipe.
+	 */
+	if (fstat64(fd, &sb) == 0 && S_ISFIFO(sb.st_mode)) {
+		lxfs.f_type = LX_PIPEFS_MAGIC;
+		lxfs.f_bsize = 4096;
+		lxfs.f_blocks = 0;
+		lxfs.f_bfree = 0;
+		lxfs.f_bavail = 0;
+		lxfs.f_files = 0;
+		lxfs.f_ffree = 0;
+		lxfs.f_fsid = 0;
+		lxfs.f_namelen = 255;
+		lxfs.f_frsize = 4096;
+	} else {
+		if (fstatvfs(fd, &vfs) != 0)
+			return (-errno);
+
+		path = lx_fd_to_path(fd, path_buf, sizeof (path_buf));
+
+		if ((err = stol_statfs(path, &lxfs, &vfs)) != 0)
+			return (err);
+	}
+
+	if (uucopy(&lxfs, fs, sizeof (struct lx_statfs)) != 0)
+		return (-errno);
+
+	return (0);
+}
+
+/* ARGSUSED */
+long
+lx_statfs64(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	const char *path = (const char *)p1;
+	struct lx_statfs64 lxfs, *fs = (struct lx_statfs64 *)p3;
+	struct statvfs64 vfs;
+	int err;
+
+	lx_debug("\tstatvfs64(%s, %d, 0x%p)", path, p2, fs);
+	if (statvfs64(path, &vfs) != 0)
+		return (-errno);
+
+	if ((err = stol_statfs64(path, &lxfs, &vfs)) != 0)
+		return (err);
+
+	if (uucopy(&lxfs, fs, sizeof (struct lx_statfs64)) != 0)
+		return (-errno);
+
+	return (0);
+}
+
+/* ARGSUSED */
+long
+lx_fstatfs64(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	struct lx_statfs64 lxfs, *fs = (struct lx_statfs64 *)p3;
+	struct stat64 sb;
+	struct statvfs64 vfs;
+	char *path, path_buf[MAXPATHLEN];
+	int fd = (int)p1;
+	int err;
+
+	lx_debug("\tfstatvfs64(%d, %d, 0x%p)", fd, p2, fs);
+	if (fstat64(fd, &sb) == 0 && S_ISFIFO(sb.st_mode)) {
+		lxfs.f_type = LX_PIPEFS_MAGIC;
+		lxfs.f_bsize = 4096;
+		lxfs.f_blocks = 0;
+		lxfs.f_bfree = 0;
+		lxfs.f_bavail = 0;
+		lxfs.f_files = 0;
+		lxfs.f_ffree = 0;
+		lxfs.f_fsid = 0;
+		lxfs.f_namelen = 255;
+		lxfs.f_frsize = 4096;
+	} else {
+		if (fstatvfs64(fd, &vfs) != 0)
+			return (-errno);
+
+		path = lx_fd_to_path(fd, path_buf, sizeof (path_buf));
+
+		if ((err = stol_statfs64(path, &lxfs, &vfs)) != 0)
+			return (err);
+	}
+
+	if (uucopy(&lxfs, fs, sizeof (struct lx_statfs64)) != 0)
+		return (-errno);
+
+	return (0);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/sysctl.c b/usr/src/lib/brand/lx/lx_brand/common/sysctl.c
new file mode 100644
index 0000000000..262a9c3830
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/sysctl.c
@@ -0,0 +1,137 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#include <alloca.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_debug.h>
+
+/*
+ * sysctl() implementation.  The full set of possible values is incredibly
+ * large; we only implement the bare minimum here, namely basic kernel
+ * information.
+ *
+ * For the moment, we also print out debugging messages if the application
+ * attempts to write or access any other values, so we can tell if we are not
+ * supporting something we should be.
+ */
+
+struct lx_sysctl_args {
+	int *name;
+	int nlen;
+	void *oldval;
+	size_t *oldlenp;
+	void *newval;
+	size_t newlen;
+};
+
+#define	LX_CTL_KERN		1
+
+#define	LX_KERN_OSTYPE		1
+#define	LX_KERN_OSRELEASE	2
+#define	LX_KERN_OSREV		3
+#define	LX_KERN_VERSION		4
+
+long
+lx_sysctl(uintptr_t raw)
+{
+	struct lx_sysctl_args args;
+	int name[2];
+	size_t oldlen;
+	char *namebuf;
+
+	if (uucopy((void *)raw, &args, sizeof (args)) < 0)
+		return (-EFAULT);
+
+	/*
+	 * We only allow [ CTL_KERN, KERN_* ] pairs, so reject anything that
+	 * doesn't have exactly two values starting with LX_CTL_KERN.
+	 */
+	if (args.nlen != 2)
+		return (-ENOTDIR);
+
+	if (uucopy(args.name, name, sizeof (name)) < 0)
+		return (-EFAULT);
+
+	if (name[0] != LX_CTL_KERN) {
+		lx_debug("sysctl: read of [%d, %d] unsupported",
+		    name[0], name[1]);
+		return (-ENOTDIR);
+	}
+
+	/* We don't support writing new sysctl values. */
+	if ((args.newval != NULL) || (args.newlen != 0)) {
+		lx_debug("sysctl: write of [%d, %d] unsupported",
+		    name[0], name[1]);
+		return (-EPERM);
+	}
+
+	/*
+	 * It may seem silly, but passing in a NULL oldval pointer and not
+	 * writing any new values is a perfectly legal thing to do and should
+	 * succeed.
+	 */
+	if (args.oldval == NULL)
+		return (0);
+
+	/*
+	 * Likewise, Linux specifies that setting a non-NULL oldval but a
+	 * zero *oldlenp should result in an errno of EFAULT.
+	 */
+	if ((uucopy(args.oldlenp, &oldlen, sizeof (oldlen)) < 0) ||
+	    (oldlen == 0))
+		return (-EFAULT);
+
+	namebuf = SAFE_ALLOCA(oldlen);
+	if (namebuf == NULL)
+		return (-ENOMEM);
+
+	switch (name[1]) {
+	case LX_KERN_OSTYPE:
+		(void) strlcpy(namebuf, LX_UNAME_SYSNAME, oldlen);
+		break;
+	case LX_KERN_OSRELEASE:
+		(void) strlcpy(namebuf, lx_release, oldlen);
+		break;
+	case LX_KERN_VERSION:
+		(void) strlcpy(namebuf, LX_UNAME_VERSION, oldlen);
+		break;
+	default:
+		lx_debug("sysctl: read of [CTL_KERN, %d] unsupported", name[1]);
+		return (-ENOTDIR);
+	}
+
+	oldlen = strlen(namebuf);
+
+	if ((uucopy(namebuf, args.oldval, oldlen) < 0) ||
+	    (uucopy(&oldlen, args.oldlenp, sizeof (oldlen)) < 0))
+		return (-EFAULT);
+
+	return (0);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/sysv_ipc.c b/usr/src/lib/brand/lx/lx_brand/common/sysv_ipc.c
new file mode 100644
index 0000000000..665d4ce0a7
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/sysv_ipc.c
@@ -0,0 +1,972 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <strings.h>
+#include <rctl.h>
+#include <alloca.h>
+#include <values.h>
+#include <sys/syscall.h>
+#include <sys/msg.h>
+#include <sys/ipc.h>
+#include <sys/sem.h>
+#include <sys/shm.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/lx_debug.h>
+#include <sys/lx_types.h>
+#include <sys/lx_sysv_ipc.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_syscall.h>
+
+#define	SLOT_SEM	0
+#define	SLOT_SHM	1
+#define	SLOT_MSG	2
+
+static int
+get_rctlval(rctlblk_t *rblk, char *name, ulong_t limit, uint64_t *val)
+{
+	rctl_qty_t r;
+
+	if (getrctl(name, NULL, rblk, RCTL_FIRST) == -1)
+		return (-errno);
+
+	r = rctlblk_get_value(rblk);
+	if (r > limit)
+		return (-EOVERFLOW);
+
+	*val = r;
+	return (0);
+}
+
+/*
+ * Given a slot number and a maximum number of ids to extract from the
+ * kernel, return the msgid in the provided slot.
+ */
+static int
+slot_to_id(int type, int slot)
+{
+	uint_t nids, max;
+	int *idbuf = NULL;
+	int r = 0;
+
+	nids = 0;
+	for (;;) {
+		switch (type) {
+		case SLOT_SEM:
+			r = semids(idbuf, nids, &max);
+			break;
+		case SLOT_SHM:
+			r = shmids(idbuf, nids, &max);
+			break;
+		case SLOT_MSG:
+			r = msgids(idbuf, nids, &max);
+			break;
+		}
+
+		if (r < 0)
+			return (-errno);
+
+		if (max == 0)
+			return (-EINVAL);
+
+		if (max <= nids)
+			return (idbuf[slot]);
+
+		nids = max;
+		if ((idbuf = (int *)SAFE_ALLOCA(sizeof (int) * nids)) == NULL)
+			return (-ENOMEM);
+	}
+}
+
+/*
+ * Semaphore operations.
+ */
+long
+lx_semget(key_t key, int nsems, int semflg)
+{
+	int sol_flag;
+	int r;
+
+	lx_debug("\nsemget(%d, %d, %d)\n", key, nsems, semflg);
+	sol_flag = semflg & S_IAMB;
+	if (semflg & LX_IPC_CREAT)
+		sol_flag |= IPC_CREAT;
+	if (semflg & LX_IPC_EXCL)
+		sol_flag |= IPC_EXCL;
+
+	r = semget(key, nsems, sol_flag);
+	return ((r < 0) ? -errno : r);
+}
+
+long
+lx_semop(int semid, void *p1, size_t nsops)
+{
+	int r;
+	struct sembuf *sops = (struct sembuf *)p1;
+
+	lx_debug("\nsemop(%d, 0x%p, %u)\n", semid, sops, nsops);
+	if (nsops == 0)
+		return (-EINVAL);
+
+	r = semop(semid, sops, nsops);
+	return ((r < 0) ? -errno : r);
+}
+
+long
+lx_semtimedop(int semid, void *p1, size_t nsops, struct timespec *timeout)
+{
+	int r;
+	struct sembuf *sops = (struct sembuf *)p1;
+
+	lx_debug("\nsemtimedop(%d, 0x%p, %u, 0x%p)\n", semid, sops, nsops,
+	    timeout);
+	if (nsops == 0)
+		return (-EINVAL);
+
+	r = semtimedop(semid, sops, nsops, timeout);
+	return ((r < 0) ? -errno : r);
+}
+
+static int
+lx_semctl_ipcset(int semid, void *buf)
+{
+	struct lx_semid_ds semds;
+	struct semid_ds sol_semds;
+	int r;
+
+	if (uucopy(buf, &semds, sizeof (semds)))
+		return (-errno);
+
+	bzero(&sol_semds, sizeof (sol_semds));
+	sol_semds.sem_perm.uid = semds.sem_perm.uid;
+	sol_semds.sem_perm.gid = semds.sem_perm.gid;
+	sol_semds.sem_perm.mode = semds.sem_perm.mode;
+
+	r = semctl(semid, 0, IPC_SET, &sol_semds);
+	return ((r < 0) ? -errno : r);
+}
+
+static int
+lx_semctl_ipcstat(int semid, void *buf)
+{
+	struct lx_semid_ds semds;
+	struct semid_ds sol_semds;
+
+	if (semctl(semid, 0, IPC_STAT, &sol_semds) != 0)
+		return (-errno);
+
+	bzero(&semds, sizeof (semds));
+	semds.sem_perm.key = sol_semds.sem_perm.key;
+	semds.sem_perm.seq = sol_semds.sem_perm.seq;
+	semds.sem_perm.uid = sol_semds.sem_perm.uid;
+	semds.sem_perm.gid = sol_semds.sem_perm.gid;
+	semds.sem_perm.cuid = sol_semds.sem_perm.cuid;
+	semds.sem_perm.cgid = sol_semds.sem_perm.cgid;
+
+	/* Linux only uses the bottom 9 bits */
+	semds.sem_perm.mode = sol_semds.sem_perm.mode & S_IAMB;
+	semds.sem_otime = sol_semds.sem_otime;
+	semds.sem_ctime = sol_semds.sem_ctime;
+	semds.sem_nsems = sol_semds.sem_nsems;
+
+	if (uucopy(&semds, buf, sizeof (semds)))
+		return (-errno);
+
+	return (0);
+}
+
+static int
+lx_semctl_ipcinfo(void *buf)
+{
+	struct lx_seminfo i;
+	rctlblk_t *rblk;
+	int rblksz;
+	uint_t nids;
+	int idbuf;
+	int err;
+	uint64_t val;
+
+	rblksz = rctlblk_size();
+	if ((rblk = (rctlblk_t *)SAFE_ALLOCA(rblksz)) == NULL)
+		return (-ENOMEM);
+
+	bzero(&i, sizeof (i));
+	err = get_rctlval(rblk, "project.max-sem-ids", (ulong_t)MAXINT, &val);
+	if (err < 0)
+		return (err);
+	i.semmni = (int)val;
+	err = get_rctlval(rblk, "process.max-sem-nsems", (ulong_t)MAXINT, &val);
+	if (err < 0)
+		return (err);
+	i.semmsl = (int)val;
+	err = get_rctlval(rblk, "process.max-sem-ops", (ulong_t)MAXINT, &val);
+	if (err < 0)
+		return (err);
+	i.semopm = (int)val;
+
+	/*
+	 * We don't have corresponding rctls for these fields.  The values
+	 * are taken from the formulas used to derive the defaults listed
+	 * in the Linux header file.  We're lying, but trying to be
+	 * coherent about it.
+	 */
+	i.semmap = i.semmni;
+	i.semmns = i.semmni * i.semmsl;
+	i.semmnu = INT_MAX;
+	i.semume = INT_MAX;
+	i.semvmx = LX_SEMVMX;
+	if (semids(&idbuf, 0, &nids) < 0)
+		return (-errno);
+	i.semusz = nids;
+	i.semaem = INT_MAX;
+
+	if (uucopy(&i, buf, sizeof (i)) != 0)
+		return (-errno);
+
+	return (nids);
+}
+
+static int
+lx_semctl_semstat(int slot, void *buf)
+{
+	int r, semid;
+
+	semid = slot_to_id(SLOT_SEM, slot);
+	if (semid < 0)
+		return (semid);
+
+	r = lx_semctl_ipcstat(semid, buf);
+	return (r < 0 ? r : semid);
+}
+
+/*
+ * For the SETALL operation, we have to examine each of the semaphore
+ * values to be sure it is legal.
+ */
+static int
+lx_semctl_setall(int semid, ushort_t *arg)
+{
+	struct semid_ds semds;
+	ushort_t *vals;
+	int i, sz, r;
+
+	/*
+	 * Find out how many semaphores are involved, reserve enough
+	 * memory for an internal copy of the array, and then copy it in
+	 * from the process.
+	 */
+	if (semctl(semid, 0, IPC_STAT, &semds) != 0)
+		return (-errno);
+	sz = semds.sem_nsems * sizeof (ushort_t);
+	if ((vals = SAFE_ALLOCA(sz)) == NULL)
+		return (-ENOMEM);
+	if (uucopy(arg, vals, sz))
+		return (-errno);
+
+	/* Validate each of the values. */
+	for (i = 0; i < semds.sem_nsems; i++)
+		if (vals[i] > LX_SEMVMX)
+			return (-ERANGE);
+
+	r = semctl(semid, 0, SETALL, arg);
+
+	return ((r < 0) ? -errno : r);
+}
+
+long
+lx_semctl(int semid, int semnum, int cmd, void *ptr)
+{
+#if defined(_ILP32)
+	union lx_semun arg;
+#endif
+	int rval;
+	int opt = cmd & ~LX_IPC_64;
+	int use_errno = 0;
+	uint_t val;
+
+	lx_debug("\nsemctl(%d, %d, %d, 0x%p)\n", semid, semnum, cmd, ptr);
+
+#if defined(_ILP32)
+	/*
+	 * The final arg to semctl() is a pointer to a union.  For some
+	 * commands we can hand that pointer directly to the kernel.  For
+	 * these commands, we need to extract an argument from the union
+	 * before calling into the kernel.
+	 */
+	if (opt == LX_SETVAL || opt == LX_SETALL || opt == LX_GETALL ||
+	    opt == LX_IPC_SET || opt == LX_IPC_STAT || opt == LX_SEM_STAT ||
+	    opt == LX_IPC_INFO || opt == LX_SEM_INFO)
+		if (uucopy(ptr, &arg, sizeof (arg)))
+			return (-errno);
+#endif
+
+	switch (opt) {
+	case LX_GETVAL:
+		use_errno = 1;
+		rval = semctl(semid, semnum, GETVAL, NULL);
+		break;
+	case LX_SETVAL:
+#if defined(_ILP32)
+		val = arg.val;
+#else
+		val = (uint_t)(uintptr_t)ptr;
+#endif
+		if (val > LX_SEMVMX) {
+			return (-ERANGE);
+		}
+		use_errno = 1;
+		rval = semctl(semid, semnum, SETVAL, val);
+		break;
+	case LX_GETPID:
+		use_errno = 1;
+		rval = semctl(semid, semnum, GETPID, NULL);
+		break;
+	case LX_GETNCNT:
+		use_errno = 1;
+		rval = semctl(semid, semnum, GETNCNT, NULL);
+		break;
+	case LX_GETZCNT:
+		use_errno = 1;
+		rval = semctl(semid, semnum, GETZCNT, NULL);
+		break;
+	case LX_GETALL:
+		use_errno = 1;
+#if defined(_ILP32)
+		rval = semctl(semid, semnum, GETALL, arg.sems);
+#else
+		rval = semctl(semid, semnum, GETALL, ptr);
+#endif
+		break;
+	case LX_SETALL:
+#if defined(_ILP32)
+		rval = lx_semctl_setall(semid, arg.sems);
+#else
+		rval = lx_semctl_setall(semid, ptr);
+#endif
+		break;
+	case LX_IPC_RMID:
+		use_errno = 1;
+		rval = semctl(semid, semnum, IPC_RMID, NULL);
+		break;
+	case LX_SEM_STAT:
+#if defined(_ILP32)
+		rval = lx_semctl_semstat(semid, arg.semds);
+#else
+		rval = lx_semctl_semstat(semid, ptr);
+#endif
+		break;
+	case LX_IPC_STAT:
+#if defined(_ILP32)
+		rval = lx_semctl_ipcstat(semid, arg.semds);
+#else
+		rval = lx_semctl_ipcstat(semid, ptr);
+#endif
+		break;
+
+	case LX_IPC_SET:
+#if defined(_ILP32)
+		rval = lx_semctl_ipcset(semid, arg.semds);
+#else
+		rval = lx_semctl_ipcset(semid, ptr);
+#endif
+		break;
+
+	case LX_IPC_INFO:
+	case LX_SEM_INFO:
+#if defined(_ILP32)
+		rval = lx_semctl_ipcinfo(arg.semds);
+#else
+		rval = lx_semctl_ipcinfo(ptr);
+#endif
+		break;
+
+	default:
+		return (-EINVAL);
+	}
+
+	if (use_errno == 1 && rval < 0)
+		return (-errno);
+	return (rval);
+}
+
+/*
+ * msg operations.
+ */
+long
+lx_msgget(key_t key, int flag)
+{
+	int sol_flag;
+	int r;
+
+	lx_debug("\tlx_msgget(%d, %d)\n", key, flag);
+
+	sol_flag = flag & S_IAMB;
+	if (flag & LX_IPC_CREAT)
+		sol_flag |= IPC_CREAT;
+	if (flag & LX_IPC_EXCL)
+		sol_flag |= IPC_EXCL;
+
+	r = msgget(key, sol_flag);
+	return (r < 0 ? -errno : r);
+}
+
+long
+lx_msgsnd(int id, void *p1, size_t sz, int flag)
+{
+	int sol_flag = 0;
+	int r;
+	struct msgbuf *buf = (struct msgbuf *)p1;
+
+	lx_debug("\tlx_msgsnd(%d, 0x%p, %d, %d)\n", id, buf, sz, flag);
+
+	if (flag & LX_IPC_NOWAIT)
+		sol_flag |= IPC_NOWAIT;
+
+	if (((ssize_t)sz < 0) || (sz > LX_MSGMAX))
+		return (-EINVAL);
+
+	r = msgsnd(id, buf, sz, sol_flag);
+	return (r < 0 ? -errno : r);
+}
+
+long
+lx_msgrcv(int id, void *msgp, size_t sz, long msgtype, int flag)
+{
+	int sol_flag = 0;
+	ssize_t r;
+
+	lx_debug("\tlx_msgrcv(%d, 0x%p, %d, %d, %ld, %d)\n",
+	    id, msgp, sz, msgtype, flag);
+
+	/*
+	 * Check for a negative sz parameter.
+	 *
+	 * Unlike msgsnd(2), the Linux man page does not specify that
+	 * msgrcv(2) should return EINVAL if (sz > MSGMAX), only if (sz < 0).
+	 */
+	if ((ssize_t)sz < 0)
+		return (-EINVAL);
+
+	if (flag & LX_MSG_NOERROR)
+		sol_flag |= MSG_NOERROR;
+	if (flag & LX_IPC_NOWAIT)
+		sol_flag |= IPC_NOWAIT;
+
+	r = msgrcv(id, msgp, sz, msgtype, sol_flag);
+	return (r < 0 ? -errno : r);
+}
+
+static int
+lx_msgctl_ipcstat(int msgid, void *buf)
+{
+	struct lx_msqid_ds msgids;
+	struct msqid_ds sol_msgids;
+	int r;
+
+	r = msgctl(msgid, IPC_STAT, &sol_msgids);
+	if (r < 0)
+		return (-errno);
+
+	bzero(&msgids, sizeof (msgids));
+	msgids.msg_perm.key = sol_msgids.msg_perm.key;
+	msgids.msg_perm.seq = sol_msgids.msg_perm.seq;
+	msgids.msg_perm.uid = sol_msgids.msg_perm.uid;
+	msgids.msg_perm.gid = sol_msgids.msg_perm.gid;
+	msgids.msg_perm.cuid = sol_msgids.msg_perm.cuid;
+	msgids.msg_perm.cgid = sol_msgids.msg_perm.cgid;
+
+	/* Linux only uses the bottom 9 bits */
+	msgids.msg_perm.mode = sol_msgids.msg_perm.mode & S_IAMB;
+
+	msgids.msg_stime = sol_msgids.msg_stime;
+	msgids.msg_rtime = sol_msgids.msg_rtime;
+	msgids.msg_ctime = sol_msgids.msg_ctime;
+	msgids.msg_qbytes = sol_msgids.msg_qbytes;
+	msgids.msg_cbytes = sol_msgids.msg_cbytes;
+	msgids.msg_qnum = sol_msgids.msg_qnum;
+	msgids.msg_lspid = sol_msgids.msg_lspid;
+	msgids.msg_lrpid = sol_msgids.msg_lrpid;
+
+	if (uucopy(&msgids, buf, sizeof (msgids)))
+		return (-errno);
+
+	return (0);
+}
+
+static int
+lx_msgctl_ipcinfo(int cmd, void *buf)
+{
+	struct lx_msginfo m;
+	rctlblk_t *rblk;
+	int idbuf, rblksz, msgseg, maxmsgs;
+	uint_t nids;
+	int rval;
+	int err;
+	uint64_t val;
+
+	rblksz = rctlblk_size();
+	if ((rblk = (rctlblk_t *)SAFE_ALLOCA(rblksz)) == NULL)
+		return (-ENOMEM);
+
+	bzero(&m, sizeof (m));
+	err = get_rctlval(rblk, "project.max-msg-ids", (ulong_t)MAXINT, &val);
+	if (err < 0)
+		return (err);
+	m.msgmni = (int)val;
+	err = get_rctlval(rblk, "process.max-msg-qbytes", (ulong_t)MAXINT,
+	    &val);
+	if (err < 0)
+		return (err);
+	m.msgmnb = (int)val;
+
+	if (cmd == LX_IPC_INFO) {
+		err = get_rctlval(rblk, "process.max-msg-messages",
+		    (ulong_t)MAXINT, &val);
+		if (err < 0)
+			return (err);
+		maxmsgs = (int)val;
+		m.msgtql = maxmsgs * m.msgmni;
+		m.msgmap = m.msgmnb;
+		m.msgpool = m.msgmax * m.msgmnb;
+		rval = 0;
+	} else {
+		if (msgids(&idbuf, 0, &nids) < 0)
+			return (-errno);
+		m.msgpool = nids;
+
+		/*
+		 * For these fields, we can't even come up with a good fake
+		 * approximation.  These are listed as 'obsolete' or
+		 * 'unused' in the header files, so hopefully nobody is
+		 * relying on them anyway.
+		 */
+		m.msgtql = INT_MAX;
+		m.msgmap = INT_MAX;
+		rval = nids;
+	}
+
+	/*
+	 * We don't have corresponding rctls for these fields.  The values
+	 * are taken from the formulas used to derive the defaults listed
+	 * in the Linux header file.  We're lying, but trying to be
+	 * coherent about it.
+	 */
+	m.msgmax = m.msgmnb;
+	m.msgssz = 16;
+	msgseg = (m.msgpool * 1024) / m.msgssz;
+	m.msgseg = (msgseg > 0xffff) ? 0xffff : msgseg;
+
+	if (uucopy(&m, buf, sizeof (m)))
+		return (-errno);
+	return (rval);
+}
+
+static int
+lx_msgctl_ipcset(int msgid, void *buf)
+{
+	struct lx_msqid_ds msgids;
+	struct msqid_ds sol_msgids;
+	int r;
+
+	if (uucopy(buf, &msgids, sizeof (msgids)))
+		return (-errno);
+
+	bzero(&sol_msgids, sizeof (sol_msgids));
+	sol_msgids.msg_perm.uid = LX_UID16_TO_UID32(msgids.msg_perm.uid);
+	sol_msgids.msg_perm.gid = LX_UID16_TO_UID32(msgids.msg_perm.gid);
+
+	/* Linux only uses the bottom 9 bits */
+	sol_msgids.msg_perm.mode = msgids.msg_perm.mode & S_IAMB;
+	sol_msgids.msg_qbytes = msgids.msg_qbytes;
+
+	r = msgctl(msgid, IPC_SET, &sol_msgids);
+	return (r < 0 ? -errno : r);
+}
+
+static int
+lx_msgctl_msgstat(int slot, void *buf)
+{
+	int r, msgid;
+
+	lx_debug("msgstat(%d, 0x%p)\n", slot, buf);
+
+	msgid = slot_to_id(SLOT_MSG, slot);
+
+	if (msgid < 0)
+		return (msgid);
+
+	r = lx_msgctl_ipcstat(msgid, buf);
+	return (r < 0 ? r : msgid);
+}
+
+/*
+ * Split off the various msgctl's here
+ */
+long
+lx_msgctl(int msgid, int cmd, void *buf)
+{
+	int r;
+
+	lx_debug("\tlx_msgctl(%d, %d, 0x%p)\n", msgid, cmd, buf);
+	switch (cmd & ~LX_IPC_64) {
+	case LX_IPC_RMID:
+		r = msgctl(msgid, IPC_RMID, NULL);
+		if (r < 0)
+			r = -errno;
+		break;
+	case LX_IPC_SET:
+		r = lx_msgctl_ipcset(msgid, buf);
+		break;
+	case LX_IPC_STAT:
+		r = lx_msgctl_ipcstat(msgid, buf);
+		break;
+	case LX_MSG_STAT:
+		r = lx_msgctl_msgstat(msgid, buf);
+		break;
+
+	case LX_IPC_INFO:
+	case LX_MSG_INFO:
+		r = lx_msgctl_ipcinfo(cmd, buf);
+		break;
+
+	default:
+		r = -EINVAL;
+		break;
+	}
+
+	return (r);
+}
+
+/*
+ * shm-related operations.
+ */
+long
+lx_shmget(key_t key, size_t size, int flag)
+{
+	int sol_flag;
+	int r;
+
+	lx_debug("\tlx_shmget(%d, %d, %d)\n", key, size, flag);
+
+	sol_flag = flag & S_IAMB;
+	if (flag & LX_IPC_CREAT)
+		sol_flag |= IPC_CREAT;
+	if (flag & LX_IPC_EXCL)
+		sol_flag |= IPC_EXCL;
+
+	r = shmget(key, size, sol_flag);
+	return (r < 0 ? -errno : r);
+}
+
+long
+lx_shmat(int shmid, void *addr, int flags)
+{
+	int sol_flags;
+	void *ptr;
+
+	lx_debug("\tlx_shmat(%d, 0x%p, %d)\n", shmid, addr, flags);
+
+	sol_flags = 0;
+	if (flags & LX_SHM_RDONLY)
+		sol_flags |= SHM_RDONLY;
+	if (flags & LX_SHM_RND)
+		sol_flags |= SHM_RND;
+	if ((flags & LX_SHM_REMAP) && (addr == NULL))
+		return (-EINVAL);
+
+	ptr = shmat(shmid, addr, sol_flags);
+	if (ptr == (void *)-1)
+		return (-errno);
+
+	return ((ssize_t)ptr);
+}
+
+static int
+lx_shmctl_ipcinfo(void *buf)
+{
+	struct lx_shminfo s;
+	rctlblk_t *rblk;
+	int rblksz;
+	int err;
+	uint64_t val;
+
+	rblksz = rctlblk_size();
+	if ((rblk = (rctlblk_t *)SAFE_ALLOCA(rblksz)) == NULL)
+		return (-ENOMEM);
+
+	bzero(&s, sizeof (s));
+	err = get_rctlval(rblk, "project.max-shm-ids", ULONG_MAX, &val);
+	if (err < 0)
+		return (err);
+	s.shmmni = val;
+	err = get_rctlval(rblk, "project.max-shm-memory", ULONG_MAX, &val);
+	if (err < 0)
+		return (err);
+	s.shmmax = val;
+
+	/*
+	 * We don't have corresponding rctls for these fields.  The values
+	 * are taken from the formulas used to derive the defaults listed
+	 * in the Linux header file.  We're lying, but trying to be
+	 * coherent about it.
+	 */
+	s.shmmin = 1;
+	s.shmseg = ULONG_MAX;
+	s.shmall = s.shmmax / getpagesize();
+
+	if (uucopy(&s, buf, sizeof (s)))
+		return (-errno);
+
+	return (0);
+}
+
+static int
+lx_shmctl_ipcstat(int shmid, void *buf)
+{
+	struct lx_shmid_ds shmds;
+	struct shmid_ds sol_shmds;
+
+	if (shmctl(shmid, IPC_STAT, &sol_shmds) != 0)
+		return (-errno);
+
+	bzero(&shmds, sizeof (shmds));
+	shmds.shm_perm.key = sol_shmds.shm_perm.key;
+	shmds.shm_perm.seq = sol_shmds.shm_perm.seq;
+	shmds.shm_perm.uid = sol_shmds.shm_perm.uid;
+	shmds.shm_perm.gid = sol_shmds.shm_perm.gid;
+	shmds.shm_perm.cuid = sol_shmds.shm_perm.cuid;
+	shmds.shm_perm.cgid = sol_shmds.shm_perm.cgid;
+	shmds.shm_perm.mode = sol_shmds.shm_perm.mode & S_IAMB;
+	if (sol_shmds.shm_lkcnt > 0)
+		shmds.shm_perm.mode |= LX_SHM_LOCKED;
+	shmds.shm_segsz = sol_shmds.shm_segsz;
+	shmds.shm_atime	 = sol_shmds.shm_atime;
+	shmds.shm_dtime = sol_shmds.shm_dtime;
+	shmds.shm_ctime = sol_shmds.shm_ctime;
+	shmds.shm_cpid = sol_shmds.shm_cpid;
+	shmds.shm_lpid = sol_shmds.shm_lpid;
+	shmds.shm_nattch = (ushort_t)sol_shmds.shm_nattch;
+
+	if (uucopy(&shmds, buf, sizeof (shmds)))
+		return (-errno);
+
+	return (0);
+}
+
+static int
+lx_shmctl_ipcset(int shmid, void *buf)
+{
+	struct lx_shmid_ds shmds;
+	struct shmid_ds sol_shmds;
+	int r;
+
+	if (uucopy(buf, &shmds, sizeof (shmds)))
+		return (-errno);
+
+	bzero(&sol_shmds, sizeof (sol_shmds));
+	sol_shmds.shm_perm.uid = shmds.shm_perm.uid;
+	sol_shmds.shm_perm.gid = shmds.shm_perm.gid;
+	sol_shmds.shm_perm.mode = shmds.shm_perm.mode & S_IAMB;
+
+	r = shmctl(shmid, IPC_SET, &sol_shmds);
+	return (r < 0 ? -errno : r);
+}
+
+/*
+ * Build and return a shm_info structure. We only return the bare
+ * essentials required by ipcs. The rest of the info is not readily
+ * available.
+ */
+static int
+lx_shmctl_shminfo(void *buf)
+{
+	struct lx_shm_info shminfo;
+	uint_t nids;
+	int idbuf;
+
+	bzero(&shminfo, sizeof (shminfo));
+
+	if (shmids(&idbuf, 0, &nids) < 0)
+		return (-errno);
+
+	shminfo.used_ids = nids;
+	if (uucopy(&shminfo, buf, sizeof (shminfo)) != 0)
+		return (-errno);
+
+	return (nids);
+}
+
+static int
+lx_shmctl_shmstat(int slot, void *buf)
+{
+	int r, shmid;
+
+	lx_debug("shmctl_shmstat(%d, 0x%p)\n", slot, buf);
+	shmid = slot_to_id(SLOT_SHM, slot);
+	if (shmid < 0)
+		return (shmid);
+
+	r = lx_shmctl_ipcstat(shmid, buf);
+	return (r < 0 ? r : shmid);
+}
+
+long
+lx_shmctl(int shmid, int cmd, void *buf)
+{
+	int r;
+	int use_errno = 0;
+
+	lx_debug("\tlx_shmctl(%d, %d, 0x%p)\n", shmid, cmd, buf);
+	switch (cmd & ~LX_IPC_64) {
+	case LX_IPC_RMID:
+		use_errno = 1;
+		r = shmctl(shmid, IPC_RMID, NULL);
+		break;
+
+	case LX_IPC_SET:
+		r = lx_shmctl_ipcset(shmid, buf);
+		break;
+
+	case LX_IPC_STAT:
+		r = lx_shmctl_ipcstat(shmid, buf);
+		break;
+
+	case LX_IPC_INFO:
+		r = lx_shmctl_ipcinfo(buf);
+		break;
+
+	case LX_SHM_LOCK:
+		use_errno = 1;
+		r = shmctl(shmid, SHM_LOCK, NULL);
+		break;
+
+	case LX_SHM_UNLOCK:
+		use_errno = 1;
+		r = shmctl(shmid, SHM_UNLOCK, NULL);
+		break;
+
+	case LX_SHM_INFO:
+		r = lx_shmctl_shminfo(buf);
+		break;
+
+	case LX_SHM_STAT:
+		r = lx_shmctl_shmstat(shmid, buf);
+		break;
+	default:
+		r = -EINVAL;
+		break;
+	}
+
+	if (use_errno == 1 && r < 0)
+		return (-errno);
+
+	return (r);
+}
+
+/*
+ * Under 32-bit Linux, glibc funnels all of the sysv IPC operations into this
+ * single ipc(2) system call.  We need to blow that up and filter the
+ * remnants into the proper Solaris system calls.
+ */
+long
+lx_ipc(uintptr_t cmd, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3,
+    uintptr_t arg4)
+{
+	int r;
+	void *bufptr = (void *)arg4;
+
+	lx_debug("lx_ipc(%d, %d, %d, %d, 0x%p, %d)\n",
+	    cmd, arg1, arg2, arg3, bufptr, arg4);
+
+	switch (cmd) {
+	case LX_MSGGET:
+		r = lx_msgget((key_t)arg1, (int)arg2);
+		break;
+	case LX_MSGSND:
+		r = lx_msgsnd((int)arg1, bufptr, (size_t)arg2, (int)arg3);
+		break;
+	case LX_MSGRCV:
+		{
+			struct {
+				void *msgp;
+				long msgtype;
+			} args;
+
+			/*
+			 * Rather than passing 5 args into ipc(2) directly,
+			 * glibc passes 4 args and uses the buf argument to
+			 * point to a structure containing two args: a pointer
+			 * to the message and the message type.
+			 */
+			if (uucopy(bufptr, &args, sizeof (args)))
+				return (-errno);
+			r = lx_msgrcv((int)arg1, args.msgp, (size_t)arg2,
+			    args.msgtype, (int)arg3);
+		}
+		break;
+	case LX_MSGCTL:
+		r = lx_msgctl((int)arg1, (int)arg2, bufptr);
+		break;
+	case LX_SEMCTL:
+		r = lx_semctl((int)arg1, (size_t)arg2, (int)arg3, bufptr);
+		break;
+	case LX_SEMOP:
+		/*
+		 * 'struct sembuf' is the same on Linux and Solaris, so we
+		 * pass bufptr straight through.
+		 */
+		r = lx_semop((int)arg1, bufptr, (size_t)arg2);
+		break;
+	case LX_SEMGET:
+		r = lx_semget((int)arg1, (size_t)arg2, (int)arg3);
+		break;
+	case LX_SHMAT:
+		r = lx_shmat((int)arg1, bufptr, (size_t)arg2);
+		if (r >= 0 || r <= -4096) {
+			if (uucopy(&r, (void *)arg3, sizeof (r)) != 0)
+				r = -errno;
+		}
+		break;
+	case LX_SHMDT:
+		r = shmdt(bufptr);
+		if (r < 0)
+			r = -errno;
+		break;
+	case LX_SHMGET:
+		r = lx_shmget((int)arg1, (size_t)arg2, (int)arg3);
+		break;
+	case LX_SHMCTL:
+		r = lx_shmctl((int)arg1, (int)arg2, bufptr);
+		break;
+
+	default:
+		r = -EINVAL;
+	}
+
+	return (r);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/time.c b/usr/src/lib/brand/lx/lx_brand/common/time.c
new file mode 100644
index 0000000000..c810aa33f1
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/time.c
@@ -0,0 +1,132 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#include <errno.h>
+#include <time.h>
+#include <string.h>
+#include <strings.h>
+#include <sys/times.h>
+#include <sys/lx_syscall.h>
+#include <sys/lx_misc.h>
+
+/*
+ * times() - The Linux implementation avoids writing to NULL, while Illumos
+ *	     returns EFAULT.
+ */
+long
+lx_times(uintptr_t p1)
+{
+	clock_t ret;
+	struct tms buf, *tp = (struct tms *)p1;
+
+	ret = times(&buf);
+
+	if ((ret == -1) ||
+	    ((tp != NULL) && uucopy((void *)&buf, tp, sizeof (buf)) != 0))
+		return (-errno);
+
+	return ((ret == -1) ? -errno : ret);
+}
+
+/*
+ * setitimer() - the Linux implementation can handle tv_usec values greater
+ *		 than 1,000,000 where Illumos would return EINVAL.
+ *
+ *		 There's still an issue here where Linux can handle a
+ *		 tv_sec value greater than 100,000,000 but Illumos cannot,
+ *		 but that would also mean setting an interval timer to fire
+ *		 over _three years_ in the future so it's unlikely anything
+ *		 other than Linux test suites will trip over it.
+ */
+long
+lx_setitimer(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	struct itimerval itv;
+	struct itimerval *itp = (struct itimerval *)p2;
+
+	if (itp != NULL) {
+		if (uucopy(itp, &itv, sizeof (itv)) != 0)
+			return (-errno);
+
+		/*
+		 * Adjust any tv_usec fields >= 1,000,000 by adding any whole
+		 * seconds so indicated to tv_sec and leaving tv_usec as the
+		 * remainder.
+		 */
+		if (itv.it_interval.tv_usec >= MICROSEC) {
+			itv.it_interval.tv_sec +=
+			    itv.it_interval.tv_usec / MICROSEC;
+
+			itv.it_interval.tv_usec %= MICROSEC;
+		}
+		if (itv.it_value.tv_usec >= MICROSEC) {
+			itv.it_value.tv_sec +=
+			    itv.it_value.tv_usec / MICROSEC;
+
+			itv.it_value.tv_usec %= MICROSEC;
+		}
+
+		itp = &itv;
+	}
+
+	return ((setitimer((int)p1, itp, (struct itimerval *)p3) != 0) ?
+	    -errno : 0);
+}
+
+/*
+ * NOTE: The Linux man pages state this structure is obsolete and is
+ *	 unsupported, so it is declared here for sizing purposes only.
+ */
+struct lx_timezone {
+	int tz_minuteswest;	/* minutes W of Greenwich */
+	int tz_dsttime;		/* type of dst correction */
+};
+
+long
+lx_settimeofday(uintptr_t p1, uintptr_t p2)
+{
+	struct timeval tv;
+	struct lx_timezone tz;
+
+	if ((p1 != NULL) &&
+	    (uucopy((struct timeval *)p1, &tv, sizeof (tv)) < 0))
+		return (-errno);
+
+	/*
+	 * The Linux man page states use of the second parameter is obsolete,
+	 * but settimeofday(2) should still return EFAULT if it is set
+	 * to a bad non-NULL pointer (sigh...)
+	 */
+	if ((p2 != NULL) &&
+	    (uucopy((struct lx_timezone *)p2, &tz, sizeof (tz)) < 0))
+		return (-errno);
+
+	if ((p1 != NULL) && (settimeofday(&tv, NULL) < 0))
+		return (-errno);
+
+	return (0);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/common/truncate.c b/usr/src/lib/brand/lx/lx_brand/common/truncate.c
new file mode 100644
index 0000000000..ba3e452408
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/common/truncate.c
@@ -0,0 +1,173 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/resource.h>
+#include <sys/lx_types.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_syscall.h>
+
+/*
+ * ZFS does not enforce the process.max-file-size rctl on a file which is
+ * grown in size via truncate/ftruncate, since that is simply metadata which
+ * does  not consume any additional space. However, LTP truncate03 depends on
+ * this behavior so we enforce it here.
+ */
+static boolean_t
+p_fsize_excd(const char *path, off_t length)
+{
+	struct stat64 sb;
+	struct rlimit rl;
+
+	if (stat64(path, &sb) == 0 && sb.st_size < length) {
+		/* We are growing the file, check the rlimit */
+		if (getrlimit(RLIMIT_FSIZE, &rl) == 0 && length > rl.rlim_cur)
+			return (B_TRUE);
+	}
+
+	return (B_FALSE);
+}
+
+static boolean_t
+f_fsize_excd(int fd, off_t length)
+{
+	struct stat64 sb;
+	struct rlimit rl;
+
+	if (fstat64(fd, &sb) == 0 && sb.st_size < length) {
+		/* We are growing the file, check the rlimit */
+		if (getrlimit(RLIMIT_FSIZE, &rl) == 0 && length > rl.rlim_cur)
+			return (B_TRUE);
+	}
+
+	return (B_FALSE);
+}
+
+/*
+ * On Illumos, truncate() and ftruncate() are implemented in libc, so these are
+ * layered on those interfaces.
+ */
+
+long
+lx_truncate(uintptr_t path, uintptr_t length)
+{
+#if defined(_ILP32)
+	if ((off_t)length >= 0xffffffffUL)
+		return (-EFBIG);
+#endif
+
+	if (length > 0 && p_fsize_excd((const char *)path, (off_t)length))
+		return (-EFBIG);
+
+	return (truncate((const char *)path, (off_t)length) == 0 ? 0 : -errno);
+}
+
+long
+lx_ftruncate(uintptr_t fd, uintptr_t length)
+{
+	int r;
+
+#if defined(_ILP32)
+	if ((off_t)length >= 0xffffffffUL)
+		return (-EFBIG);
+#endif
+
+	if (length > 0 && f_fsize_excd((int)fd, (off_t)length))
+		return (-EFBIG);
+
+	r = ftruncate((int)fd, (off_t)length);
+	/*
+	 * On Linux, truncating a file opened read-only returns EINVAL whereas
+	 * Illumos returns EBADF.
+	 */
+	if (r != 0) {
+		if (errno == EBADF) {
+			int mode;
+
+			if ((mode = fcntl(fd, F_GETFL, 0)) != -1 &&
+			    (mode & O_ACCMODE) == O_RDONLY)
+				r = -EINVAL;
+			else
+				r = -EBADF; /* keep existing errno */
+		} else {
+			r = -errno;
+		}
+	}
+	return (r);
+}
+
+long
+lx_truncate64(uintptr_t path, uintptr_t length_lo, uintptr_t length_hi)
+{
+	uint64_t len = LX_32TO64(length_lo, length_hi);
+
+	if (len >= 0x7fffffffffffffffULL)
+		return (-EFBIG);
+
+	if (len > 0 && p_fsize_excd((const char *)path, (off_t)len))
+		return (-EFBIG);
+
+	return (truncate64((const char *)path, len) == 0 ? 0 : -errno);
+}
+
+long
+lx_ftruncate64(uintptr_t fd, uintptr_t length_lo, uintptr_t length_hi)
+{
+	int r;
+	uint64_t len = LX_32TO64(length_lo, length_hi);
+
+	if (len >= 0x7fffffffffffffffULL)
+		return (-EFBIG);
+
+	if (len > 0 && f_fsize_excd((int)fd, (off_t)len))
+		return (-EFBIG);
+
+	r = ftruncate64((int)fd, len);
+	/*
+	 * On Linux, truncating a file opened read-only returns EINVAL whereas
+	 * Illumos returns EBADF.
+	 */
+	if (r != 0) {
+		if (errno == EBADF) {
+			int mode;
+
+			if ((mode = fcntl(fd, F_GETFL, 0)) != -1 &&
+			    (mode & O_ACCMODE) == O_RDONLY)
+				r = -EINVAL;
+			else
+				r = -EBADF; /* keep existing errno */
+		} else {
+			r = -errno;
+		}
+	}
+
+	return (r);
+}
diff --git a/usr/src/lib/brand/lx/lx_brand/i386/Makefile b/usr/src/lib/brand/lx/lx_brand/i386/Makefile
new file mode 100644
index 0000000000..e9546dee4a
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/i386/Makefile
@@ -0,0 +1,57 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+# Copyright 2014 Joyent, Inc.  All rights reserved.
+#
+# lib/brand/lx/i386/Makefile
+
+ISASRCDIR=.
+
+ASFLAGS	+= -P -D_ASM
+
+include ../Makefile.com
+
+DYNFLAGS +=	-Wl,-I/native/lib/ld.so.1
+
+POFILE=		lx_brand.po
+MSGFILES=	$(CSRCS)
+
+ASSYMDEP_OBJS = lx_handler.o
+
+$(ASSYMDEP_OBJS:%=pics/%): assym.h
+
+OFFSETS = ../$(MACH)/offsets.in
+
+assym.h: $(OFFSETS)
+	$(OFFSETS_CREATE) $(CTF_FLAGS) < $(OFFSETS) > $@
+
+CLOBBERFILES += assym.h
+
+install: all $(ROOTLIBS)
+
+$(POFILE): $(MSGFILES)
+	$(BUILDPO.msgfiles)
+
+_msg: $(MSGDOMAINPOFILE)
+
+include $(SRC)/Makefile.msg.targ
diff --git a/usr/src/lib/brand/lx/lx_brand/i386/lx_crt.s b/usr/src/lib/brand/lx/lx_brand/i386/lx_crt.s
new file mode 100644
index 0000000000..c457c1c209
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/i386/lx_crt.s
@@ -0,0 +1,65 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/asm_linkage.h>
+
+#if defined(lint)
+
+void
+_start(void)
+{
+}
+
+#else	/* lint */
+
+	/*
+	 * C language startup routine for the lx brand shared library.
+	 */
+	ENTRY_NP(_start)
+	pushl	$0			/ Build a stack frame. retpc = NULL
+	pushl	$0			/ fp = NULL
+	movl	%esp, %ebp		/ first stack frame
+
+	/*
+	 * Calculate the location of the envp array by adding the size of
+	 * the argv array to the start of the argv array.
+	 */
+	movl	8(%ebp), %eax		/ argc in %eax
+	leal	16(%ebp,%eax,4), %edx	/ envp in %edx
+	andl	$-16, %esp
+	pushl	%edx			/ push envp
+	leal	12(%ebp),%edx		/ compute &argv[0]
+	pushl	%edx			/ push argv
+	pushl	%eax			/ push argc
+	call	lx_init
+	/*
+	 * lx_init will never return.
+	 */
+	SET_SIZE(_start)
+
+#endif	/* lint */
diff --git a/usr/src/lib/brand/lx/lx_brand/i386/lx_handler.s b/usr/src/lib/brand/lx/lx_brand/i386/lx_handler.s
new file mode 100644
index 0000000000..bce7f0005c
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/i386/lx_handler.s
@@ -0,0 +1,93 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/asm_linkage.h>
+#include <sys/regset.h>
+#include <sys/segments.h>
+#include <sys/syscall.h>
+#include <sys/lx_brand.h>
+
+#if defined(_ASM)
+#include <sys/lx_signal.h>
+#include <sys/lx_syscall.h>
+#endif	/* _ASM */
+
+#include "assym.h"
+
+/* 32-bit syscall numbers */
+#define	LX_SYS_sigreturn	119
+#define	LX_SYS_rt_sigreturn	173
+
+#if defined(lint)
+
+#include <sys/types.h>
+#include <sys/regset.h>
+#include <sys/signal.h>
+
+void
+lx_sigreturn_tramp(void)
+{}
+
+void
+lx_rt_sigreturn_tramp(void)
+{}
+
+#else	/* lint */
+
+	ENTRY_NP(lx_swap_gs)
+	push	%eax		/* save the current eax value */
+	movl	0xc(%esp),%eax	/* 2nd param is a pointer */
+	movw	%gs,(%eax)	/* use the pointer to save current gs */
+	movl	0x8(%esp),%eax	/* first parameter is the new gs value */
+	movw	%ax, %gs	/* switch to the new gs value */
+	pop	%eax		/* restore eax */
+	ret
+	SET_SIZE(lx_swap_gs)
+
+	/*
+	 * Trampoline code is called by the return at the end of a Linux
+	 * signal handler to return control to the interrupted application
+	 * via the lx_sigreturn() or lx_rt_sigreturn() syscalls.
+	 *
+	 * (lx_sigreturn() is called for legacy signal handling, and
+	 * lx_rt_sigreturn() is called for "new"-style signals.)
+	 *
+	 * These two routines must consist of the EXACT code sequences below
+	 * as gdb looks at the sequence of instructions a routine will return
+	 * to determine whether it is in a signal handler or not.
+	 * See the Linux code setup_signal_stack_sc() in arch/x86/um/signal.c.
+	 */
+	ENTRY_NP(lx_sigreturn_tramp)
+	popl	%eax
+	movl	$LX_SYS_sigreturn, %eax
+	int	$0x80
+	SET_SIZE(lx_sigreturn_tramp)
+
+	ENTRY_NP(lx_rt_sigreturn_tramp)
+	movl	$LX_SYS_rt_sigreturn, %eax
+	int	$0x80
+	SET_SIZE(lx_rt_sigreturn_tramp)
+#endif	/* lint */
diff --git a/usr/src/lib/brand/lx/lx_brand/i386/offsets.in b/usr/src/lib/brand/lx/lx_brand/i386/offsets.in
new file mode 100644
index 0000000000..ac934ee76c
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/i386/offsets.in
@@ -0,0 +1,40 @@
+\
+\ Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+\ Use is subject to license terms.
+\
+\ CDDL HEADER START
+\
+\ The contents of this file are subject to the terms of the
+\ Common Development and Distribution License (the "License").
+\ You may not use this file except in compliance with the License.
+\
+\ You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+\ or http://www.opensolaris.org/os/licensing.
+\ See the License for the specific language governing permissions
+\ and limitations under the License.
+\
+\ When distributing Covered Code, include this CDDL HEADER in each
+\ file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+\ If applicable, add the following below this CDDL HEADER, with the
+\ fields enclosed by brackets "[]" replaced with your own identifying
+\ information: Portions Copyright [yyyy] [name of copyright owner]
+\
+\ CDDL HEADER END
+\
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/lx_brand.h>
+
+lx_regs_t	SIZEOF_LX_REGS_T
+	lxr_gs
+	lxr_edi
+	lxr_esi
+	lxr_ebp
+	lxr_esp
+	lxr_ebx
+	lxr_edx
+	lxr_ecx
+	lxr_eax
+	lxr_eip
+	lxr_orig_eax
diff --git a/usr/src/lib/brand/lx/lx_brand/sys/lx_aio.h b/usr/src/lib/brand/lx/lx_brand/sys/lx_aio.h
new file mode 100644
index 0000000000..c2b41530e7
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/sys/lx_aio.h
@@ -0,0 +1,81 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _SYS_LX_AIO_H
+#define	_SYS_LX_AIO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define	LX_IOCB_FLAG_RESFD		0x0001
+
+#define	LX_IOCB_CMD_PREAD		0
+#define	LX_IOCB_CMD_PWRITE		1
+#define	LX_IOCB_CMD_FSYNC		2
+#define	LX_IOCB_CMD_FDSYNC		3
+#define	LX_IOCB_CMD_PREADX		4
+#define	LX_IOCB_CMD_POLL		5
+#define	LX_IOCB_CMD_NOOP		6
+#define	LX_IOCB_CMD_PREADV		7
+#define	LX_IOCB_CMD_PWRITEV		8
+
+#define	LX_KIOCB_KEY			0
+
+typedef struct lx_io_event lx_io_event_t;
+typedef struct lx_iocb lx_iocb_t;
+typedef struct lx_aiocb lx_aiocb_t;
+typedef struct lx_aio_context lx_aio_context_t;
+
+/*
+ * Linux binary definition of an I/O event.
+ */
+struct lx_io_event {
+	uint64_t	lxioe_data;	/* data payload */
+	uint64_t	lxioe_object;	/* object of origin */
+	int64_t		lxioe_res;	/* result code */
+	int64_t		lxioe_res2;	/* "secondary" result (WTF?) */
+};
+
+/*
+ * Linux binary definition of an I/O control block.
+ */
+struct lx_iocb {
+	uint64_t	lxiocb_data;		/* data payload */
+	uint32_t	lxiocb_key;		/* must be LX_KIOCB_KEY (!) */
+	uint32_t	lxiocb_reserved1;
+	uint16_t	lxiocb_op;		/* operation */
+	int16_t		lxiocb_reqprio;		/* request priority */
+	uint32_t	lxiocb_fd;		/* file descriptor */
+	uint64_t	lxiocb_buf;		/* data buffer */
+	uint64_t	lxiocb_nbytes;		/* number of bytes */
+	int64_t		lxiocb_offset;		/* offset in file */
+	uint64_t	lxiocb_reserved2;
+	uint32_t	lxiocb_flags;		/* LX_IOCB_FLAG_* flags */
+	uint32_t	lxiocb_resfd;		/* eventfd fd, if any */
+};
+
+extern long lx_io_setup(unsigned int, lx_aio_context_t **);
+extern long lx_io_submit(lx_aio_context_t *, long nr, uintptr_t **);
+extern long lx_io_getevents(lx_aio_context_t *, long, long,
+    lx_io_event_t *, struct timespec *);
+extern long lx_io_cancel(lx_aio_context_t *, lx_iocb_t *, lx_io_event_t *);
+extern long lx_io_destroy(lx_aio_context_t *);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LX_AIO_H */
diff --git a/usr/src/lib/brand/lx/lx_brand/sys/lx_debug.h b/usr/src/lib/brand/lx/lx_brand/sys/lx_debug.h
new file mode 100644
index 0000000000..57692cfcd1
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/sys/lx_debug.h
@@ -0,0 +1,54 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef	_LX_DEBUG_H
+#define	_LX_DEBUG_H
+
+#include <lx_provider_impl.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/* initialize the debugging subsystem */
+extern void lx_debug_init(void);
+
+/* printf() style debug message functionality */
+extern void lx_debug(const char *, ...);
+
+extern int lx_debug_enabled;
+
+#define	LX_DEBUG_ISENABLED	\
+	(lx_debug_enabled || LX_DEBUG_ENABLED())
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LX_DEBUG_H */
diff --git a/usr/src/lib/brand/lx/lx_brand/sys/lx_misc.h b/usr/src/lib/brand/lx/lx_brand/sys/lx_misc.h
new file mode 100644
index 0000000000..4114d13477
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/sys/lx_misc.h
@@ -0,0 +1,216 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _SYS_LX_H
+#define	_SYS_LX_H
+
+#include <stdio.h>
+#include <alloca.h>
+#include <dirent.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/lwp.h>
+
+#include <sys/lx_brand.h>
+#include <sys/lx_thread.h>
+
+#include <lx_errno.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern char lx_release[LX_VERS_MAX];
+extern char lx_cmd_name[MAXNAMLEN];
+extern pid_t zoneinit_pid;
+
+/*
+ * Values Linux expects for init
+ */
+#define	LX_INIT_PGID	1
+#define	LX_INIT_SID	1
+#define	LX_INIT_PID	1
+
+/*
+ * Codes to reboot(2).
+ */
+#define	LINUX_REBOOT_MAGIC1		0xfee1dead
+#define	LINUX_REBOOT_MAGIC2		672274793
+#define	LINUX_REBOOT_MAGIC2A		85072278
+#define	LINUX_REBOOT_MAGIC2B		369367448
+#define	LINUX_REBOOT_MAGIC2C		537993216
+
+/*
+ * This was observed as coming from Red Hat's init process, but it's not in
+ * their reboot(2) man page.
+ */
+#define	LINUX_REBOOT_MAGIC2D		0x28121969
+
+#define	LINUX_REBOOT_CMD_RESTART	0x1234567
+#define	LINUX_REBOOT_CMD_HALT		0xcdef0123
+#define	LINUX_REBOOT_CMD_POWER_OFF	0x4321fedc
+#define	LINUX_REBOOT_CMD_RESTART2	0xa1b2c3d4
+#define	LINUX_REBOOT_CMD_CAD_ON		0x89abcdef
+#define	LINUX_REBOOT_CMD_CAD_OFF	0
+
+/*
+ * the maximum length of messages to be output with lx_msg(), lx_err(),
+ * lx_debug(), or lx_unsupported().
+ */
+#define	LX_MSG_MAXLEN			(128 + MAXPATHLEN)
+
+/*
+ * Linux scheduler priority ranges.
+ */
+#define	LX_SCHED_PRIORITY_MIN_OTHER	0
+#define	LX_SCHED_PRIORITY_MAX_OTHER	0
+#define	LX_SCHED_PRIORITY_MIN_RRFIFO	1
+#define	LX_SCHED_PRIORITY_MAX_RRFIFO	99
+
+/*
+ * Constants to indicate who getrusage() should return information about.
+ */
+#define	LX_RUSAGE_SELF		0
+#define	LX_RUSAGE_CHILDREN	(-1)
+#define	LX_RUSAGE_BOTH		(-2)
+#define	LX_RUSAGE_THREAD	1
+
+/*
+ * Constants for prctl().  We only include the ones here that we actually
+ * support; everything else will be ENOSYS.
+ */
+#define	LX_PR_GET_DUMPABLE	3
+#define	LX_PR_SET_DUMPABLE	4
+#define	LX_PR_SET_KEEPCAPS	8
+#define	LX_PR_SET_NAME		15
+
+#define	LX_PR_SET_NAME_NAMELEN	16
+
+/*
+ * Based on code from brand_misc.h, but use of that is incompatible with the
+ * lx brand.
+ *
+ * These macros invoke a brandsys subcommand, B_TRUSS_POINT, which makes it
+ * easy to debug with DTrace.
+ */
+#define	B_TRUSS_POINT	6
+
+#define	B_TRACE_POINT_5(a0, a1, a2, a3, a4) \
+	(void) syscall(SYS_brand, B_TRUSS_POINT, (a0), (a1), (a2), (a3), (a4))
+
+#define	B_TRACE_POINT_4(a0, a1, a2, a3) \
+	B_TRACE_POINT_5((a0), (a1), (a2), (a3), 0)
+
+#define	B_TRACE_POINT_3(a0, a1, a2) \
+	B_TRACE_POINT_5((a0), (a1), (a2), 0, 0)
+
+#define	B_TRACE_POINT_2(a0, a1) \
+	B_TRACE_POINT_5((a0), (a1), 0, 0, 0)
+
+#define	B_TRACE_POINT_1(a0) \
+	B_TRACE_POINT_5((a0), 0, 0, 0, 0)
+
+#define	B_TRACE_POINT_0() \
+	B_TRACE_POINT_5(0, 0, 0, 0, 0)
+
+/*
+ * Macros to access register state within a ucontext_t:
+ */
+#define	LX_REG(ucp, r)	((ucp)->uc_mcontext.gregs[(r)])
+
+/*
+ * normally we never want to write to stderr or stdout because it's unsafe
+ * to make assumptions about the underlying file descriptors.  to protect
+ * against writes to these file descriptors we go ahead and close them
+ * our brand process initalization code.  but there are still occasions
+ * where we are willing to make assumptions about our file descriptors
+ * and write to them.  at thes times we should use one lx_msg() or
+ * lx_msg_error()
+ */
+extern void lx_msg(char *, ...);
+extern void lx_err(char *, ...);
+extern void lx_err_fatal(char *, ...);
+extern void lx_unsupported(char *, ...);
+
+struct ucontext;
+
+extern ucontext_t *lx_syscall_regs(void);
+extern uintptr_t lx_find_brand_sp(void);
+extern const ucontext_t *lx_find_brand_uc(void);
+
+extern char *lx_fd_to_path(int fd, char *buf, int buf_size);
+extern int lx_lpid_to_spair(pid_t, pid_t *, lwpid_t *);
+extern int lx_lpid_to_spid(pid_t, pid_t *);
+
+extern void lx_ptrace_init();
+extern int lx_ptrace_wait(siginfo_t *);
+extern void lx_ptrace_fork(void);
+extern void lx_ptrace_stop_if_option(int, boolean_t, ulong_t msg, ucontext_t *);
+extern void lx_ptrace_clone_begin(int, boolean_t);
+
+extern int lx_check_alloca(size_t);
+#define	SAFE_ALLOCA(sz)	(lx_check_alloca(sz) ? alloca(sz) : NULL)
+
+extern int ltos_at_flag(int lflag, int allow, boolean_t enforce);
+
+extern void lx_init_tsd(lx_tsd_t *);
+extern int lx_alloc_stack(void **, size_t *);
+extern void lx_install_stack(void *, size_t, lx_tsd_t *);
+extern void lx_free_stack(void);
+extern void lx_free_other_stacks(void);
+extern void lx_stack_prefork(void);
+extern void lx_stack_postfork(void);
+
+/*
+ * NO_UUCOPY disables calls to the uucopy* system calls to help with
+ * debugging brand library accesses to linux application memory.
+ */
+#ifdef NO_UUCOPY
+
+int uucopy_unsafe(const void *src, void *dst, size_t n);
+int uucopystr_unsafe(const void *src, void *dst, size_t n);
+
+#define	uucopy(src, dst, n)	uucopy_unsafe((src), (dst), (n))
+#define	uucopystr(src, dst, n)	uucopystr_unsafe((src), (dst), (n))
+
+#endif /* NO_UUCOPY */
+
+/*
+ * We use these Private libc interfaces to defer signals during critical
+ * sections.
+ */
+extern void _sigon(void);
+extern void _sigoff(void);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LX_H */
diff --git a/usr/src/lib/brand/lx/lx_brand/sys/lx_mount.h b/usr/src/lib/brand/lx/lx_brand/sys/lx_mount.h
new file mode 100644
index 0000000000..32bfb21ff1
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/sys/lx_mount.h
@@ -0,0 +1,155 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef	_LX_MOUNT_H
+#define	_LX_MOUNT_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#include <rpc/rpc.h>
+#include <nfs/nfs.h>
+
+extern int lx_nfs_mount(char *, char *, char *, int, char *);
+
+/*
+ * mount() is significantly different between Linux and Solaris.  The main
+ * difference is between the set of flags.  Some flags on Linux can be
+ * translated to a Solaris equivalent, some are converted to a
+ * filesystem-specific option, while others have no equivalent whatsoever.
+ */
+#define	LX_MS_MGC_VAL		0xC0ED0000
+#define	LX_MS_RDONLY		0x00000001
+#define	LX_MS_NOSUID		0x00000002
+#define	LX_MS_NODEV		0x00000004
+#define	LX_MS_NOEXEC		0x00000008
+#define	LX_MS_SYNCHRONOUS	0x00000010
+#define	LX_MS_REMOUNT		0x00000020
+#define	LX_MS_MANDLOCK		0x00000040
+#define	LX_MS_NOATIME		0x00000400
+#define	LX_MS_NODIRATIME	0x00000800
+#define	LX_MS_BIND		0x00001000
+#define	LX_MS_MOVE		0x00002000
+#define	LX_MS_REC		0x00004000
+#define	LX_MS_SILENT		0x00008000
+#define	LX_MS_POSIXACL		0x00010000
+#define	LX_MS_UNBINDABLE	0x00020000
+#define	LX_MS_PRIVATE		0x00040000
+#define	LX_MS_SLAVE		0x00080000
+#define	LX_MS_SHARED		0x00100000
+#define	LX_MS_RELATIME		0x00200000
+#define	LX_MS_KERNMOUNT		0x00400000
+#define	LX_MS_I_VERSION		0x00800000
+#define	LX_MS_STRICTATIME	0x01000000
+#define	LX_MS_LAZYTIME		0x02000000
+#define	LX_MS_SUPPORTED		(LX_MS_MGC_VAL | \
+				LX_MS_RDONLY | LX_MS_NOSUID | \
+				LX_MS_NODEV | LX_MS_NOEXEC | \
+				LX_MS_REMOUNT | LX_MS_NOATIME | \
+				LX_MS_BIND | LX_MS_SILENT | \
+				LX_MS_STRICTATIME)
+
+/*
+ * support for nfs mounts
+ */
+#define	LX_NMD_MAXHOSTNAMELEN		256
+
+#define	LX_NFS_MOUNT_SOFT		0x00000001
+#define	LX_NFS_MOUNT_INTR		0x00000002
+#define	LX_NFS_MOUNT_SECURE		0x00000004
+#define	LX_NFS_MOUNT_POSIX		0x00000008
+#define	LX_NFS_MOUNT_NOCTO		0x00000010
+#define	LX_NFS_MOUNT_NOAC		0x00000020
+#define	LX_NFS_MOUNT_TCP		0x00000040
+#define	LX_NFS_MOUNT_VER3		0x00000080
+#define	LX_NFS_MOUNT_KERBEROS		0x00000100
+#define	LX_NFS_MOUNT_NONLM		0x00000200
+#define	LX_NFS_MOUNT_BROKEN_SUID	0x00000400
+#define	LX_NFS_MOUNT_SUPPORTED		(LX_NFS_MOUNT_SOFT | \
+					LX_NFS_MOUNT_INTR | \
+					LX_NFS_MOUNT_POSIX | \
+					LX_NFS_MOUNT_NOCTO | \
+					LX_NFS_MOUNT_NOAC | \
+					LX_NFS_MOUNT_TCP | \
+					LX_NFS_MOUNT_VER3 | \
+					LX_NFS_MOUNT_NONLM)
+
+#define	LX_NMD_DEFAULT_RSIZE		0
+#define	LX_NMD_DEFAULT_WSIZE		0
+
+/*
+ * the nfs v3 file handle structure definitions are _almost_ the same
+ * on linux and solaris.  the key difference are:
+ *
+ * 1) on linux fh3_length is an unsigned short where as on solaris it's
+ *    an int.
+ *
+ * 2) on linux the file handle data doesn't 32 bit members, so the structure
+ *    is not 32 bit aligned.  (where as on solaris it is.)
+ *
+ * so rather than defining a structure that would allow us to intrepret
+ * all the contents of the nfs v3 file handle here, we decide to treate
+ * the file handle as an array of chars.  this works just fine since it
+ * avoids the alignment issues and the actual file handle handle contects
+ * are defined by the nfs specification so they are common across solaris
+ * and linux.  we do the same thing for nfs v2 file handles.
+ */
+struct lx_nfs_fh2 {
+	unsigned char	lx_fh_data[NFS_FHSIZE];
+} lx_nfs_fh2;
+
+struct lx_nfs_fh3 {
+	unsigned short	lx_fh3_length;
+	unsigned char	lx_fh3_data[NFS3_FHSIZE];
+} lx_nfs_fh3;
+
+typedef struct lx_nfs_mount_data {
+	int			nmd_version;
+	int			nmd_fd;
+	struct lx_nfs_fh2	nmd_old_root;
+	int			nmd_flags;
+	int			nmd_rsize;
+	int			nmd_wsize;
+	int			nmd_timeo;
+	int			nmd_retrans;
+	int			nmd_acregmin;
+	int			nmd_acregmax;
+	int			nmd_acdirmin;
+	int			nmd_acdirmax;
+	struct sockaddr_in	nmd_addr;
+	char			nmd_hostname[LX_NMD_MAXHOSTNAMELEN];
+	int			nmd_namlen;
+	uint_t			nmd_bsize;
+	struct lx_nfs_fh3	nmd_root;
+} lx_nfs_mount_data_t;
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LX_MOUNT_H */
diff --git a/usr/src/lib/brand/lx/lx_brand/sys/lx_poll.h b/usr/src/lib/brand/lx/lx_brand/sys/lx_poll.h
new file mode 100644
index 0000000000..99abdbbf46
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/sys/lx_poll.h
@@ -0,0 +1,65 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.	All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _SYS_LX_POLL_H
+#define	_SYS_LX_POLL_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * These events are identical between Linux and Solaris
+ */
+#define	LX_POLLIN	0x001
+#define	LX_POLLPRI	0x002
+#define	LX_POLLOUT	0x004
+#define	LX_POLLERR	0x008
+#define	LX_POLLHUP	0x010
+#define	LX_POLLNVAL	0x020
+#define	LX_POLLRDNORM	0x040
+#define	LX_POLLRDBAND	0x080
+
+#define	LX_POLL_COMMON_EVENTS (LX_POLLIN | LX_POLLPRI | LX_POLLOUT |	\
+	LX_POLLERR | LX_POLLHUP | LX_POLLNVAL | LX_POLLRDNORM | LX_POLLRDBAND)
+
+/*
+ * These events differ between Linux and Solaris
+ */
+#define	LX_POLLWRNORM	0x0100
+#define	LX_POLLWRBAND	0x0200
+#define	LX_POLLRDHUP	0x2000
+
+
+#define	LX_POLL_SUPPORTED_EVENTS	\
+	(LX_POLL_COMMON_EVENTS | LX_POLLWRNORM | LX_POLLWRBAND | LX_POLLRDHUP)
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LX_POLL_H */
diff --git a/usr/src/lib/brand/lx/lx_brand/sys/lx_signal.h b/usr/src/lib/brand/lx/lx_brand/sys/lx_signal.h
new file mode 100644
index 0000000000..64cdb20598
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/sys/lx_signal.h
@@ -0,0 +1,315 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _SYS_LX_SIGNAL_H
+#define	_SYS_LX_SIGNAL_H
+
+#if !defined(_ASM)
+#include <sys/lx_types.h>
+#include <sys/ucontext.h>
+#include <sys/lx_siginfo.h>
+#include <lx_signum.h>
+
+#endif	/* !defined(_ASM) */
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * Linux sigaction flags
+ */
+#define	LX_SA_NOCLDSTOP		0x00000001
+#define	LX_SA_NOCLDWAIT		0x00000002
+#define	LX_SA_SIGINFO		0x00000004
+#define	LX_SA_RESTORER		0x04000000
+#define	LX_SA_ONSTACK		0x08000000
+#define	LX_SA_RESTART		0x10000000
+#define	LX_SA_NODEFER		0x40000000
+#define	LX_SA_RESETHAND		0x80000000
+#define	LX_SA_NOMASK		LX_SA_NODEFER
+#define	LX_SA_ONESHOT		LX_SA_RESETHAND
+
+#define	LX_SIG_BLOCK		0
+#define	LX_SIG_UNBLOCK		1
+#define	LX_SIG_SETMASK		2
+
+#define	LX_MINSIGSTKSZ		2048
+#define	LX_SS_ONSTACK		1
+#define	LX_SS_DISABLE		2
+
+#define	LX_SIGRT_MAGIC		0xdeadf00d
+
+#if !defined(_ASM)
+
+/*
+ * NOTE:  Linux uses different definitions for sigset_ts and sigaction_ts
+ *	  depending on whether the definition is for user space or the kernel.
+ *
+ *	  The definitions below MUST correspond to the Linux kernel versions,
+ *	  as glibc will do the necessary translation from the Linux user
+ *	  versions.
+ */
+#if defined(_LP64)
+#define	LX_NSIG_WORDS	1
+#define	LX_WSHIFT	6
+#else /* is _ILP32 */
+#define	LX_NSIG_WORDS	2
+#define	LX_WSHIFT	5
+#endif
+
+typedef struct {
+	ulong_t	__bits[LX_NSIG_WORDS];
+} lx_sigset_t;
+
+#define	LX_NBITS		(sizeof (ulong_t) * NBBY)
+#define	lx_sigmask(n)		(1UL << (((n) - 1) % LX_NBITS))
+#define	lx_sigword(n)		(((ulong_t)((n) - 1)) >> LX_WSHIFT)
+#define	lx_sigismember(s, n)	(lx_sigmask(n) & (s)->__bits[lx_sigword(n)])
+#define	lx_sigaddset(s, n)	((s)->__bits[lx_sigword(n)] |= lx_sigmask(n))
+
+typedef struct lx_sigaction {
+	void (*lxsa_handler)();
+	int lxsa_flags;
+	void (*lxsa_restorer)(void);
+	lx_sigset_t lxsa_mask;
+} lx_sigaction_t;
+
+#if defined(_ILP32)
+typedef	uint32_t lx_osigset_t;
+
+#define	OSIGSET_NBITS		(sizeof (lx_osigset_t) * NBBY)
+#define	OSIGSET_BITSET(sig)	(1U << (((sig) - 1) % OSIGSET_NBITS))
+
+typedef struct lx_osigaction {
+	void (*lxsa_handler)();
+	lx_osigset_t lxsa_mask;
+	int lxsa_flags;
+	void (*lxsa_restorer)(void);
+} lx_osigaction_t;
+#endif
+
+/*
+ * Flag settings to determine whether common routines should operate on
+ * lx_sigset_ts or lx_osigset_ts.
+ */
+#define	USE_OSIGSET	0
+#define	USE_SIGSET	1
+
+typedef struct lx_sighandlers {
+	struct lx_sigaction lx_sa[LX_NSIG + 1];
+} lx_sighandlers_t;
+
+typedef struct lx_sigaltstack {
+	void *ss_sp;
+	int ss_flags;
+	size_t ss_size;
+} lx_stack_t;
+
+/*
+ * _fpreg, _fpxreg, _xmmreg and _fpstate are defined in Linux src in:
+ *     arch/x86/include/uapi/asm/sigcontext.h
+ */
+#define	LX_X86_FXSR_MAGIC	0x0000
+#define	LX_X86_FXSR_NONE	0xffff
+
+#if defined(_LP64)
+
+typedef struct lx_fpstate {
+	ushort_t cwd;
+	ushort_t swd;
+	ushort_t twd; /* Note this is not the same as the 32bit/x87/FSAVE twd */
+	ushort_t fop;
+	uint64_t rip;
+	uint64_t rdp;
+	uint32_t mxcsr;
+	uint32_t mxcsr_mask;
+	uint32_t st_space[32];   /* 8 * 16 bytes for each FP-reg */
+	uint32_t xmm_space[64];  /* 16 * 16 bytes for each XMM-reg  */
+	uint32_t reserved2[12];
+	uint32_t reserved3[12];
+} lx_fpstate_t;
+
+/*
+ * The Linux layout is defined in the Linux src tree in:
+ *     arch/x86/include/asm/sigcontext.h
+ * and the user-level def (which is what we want) at:
+ *     arch/x86/include/uapi/asm/sigcontext.h
+ *
+ * The Illumos offsets of the registers in the context are defined in:
+ *     usr/src/uts/intel/sys/regset.h
+ * this is an mcontext_t from uc_mcontext.
+ *
+ * For the 64-bit case the register layout is completely different in the
+ * context.
+ */
+typedef struct lx_sigcontext {
+	ulong_t sc_r8;
+	ulong_t sc_r9;
+	ulong_t sc_r10;
+	ulong_t sc_r11;
+	ulong_t sc_r12;
+	ulong_t sc_r13;
+	ulong_t sc_r14;
+	ulong_t sc_r15;
+	ulong_t sc_rdi;
+	ulong_t sc_rsi;
+	ulong_t sc_rbp;
+	ulong_t sc_rbx;
+	ulong_t sc_rdx;
+	ulong_t sc_rax;
+	ulong_t sc_rcx;
+	ulong_t sc_rsp;
+	ulong_t sc_rip;
+	ulong_t sc_eflags;
+	ushort_t sc_cs;
+	ushort_t sc_gs;
+	ushort_t sc_fs;
+	ushort_t sc_pad0;
+	ulong_t sc_err;
+	ulong_t sc_trapno;
+
+	ulong_t sc_mask;
+	ulong_t sc_cr2;
+	lx_fpstate_t *sc_fpstate;
+
+	ulong_t reserved[8];
+} lx_sigcontext_t;
+
+#else /* is _ILP32 */
+
+struct lx_fpreg {
+	ushort_t significand[4];
+	ushort_t exponent;
+};
+
+struct lx_fpxreg {
+	ushort_t significand[4];
+	ushort_t exponent;
+	ushort_t padding[3];
+};
+
+struct lx_xmmreg {
+	uint32_t element[4];
+};
+
+typedef struct lx_fpstate {
+	/* Regular FPU environment */
+	ulong_t cw;
+	ulong_t sw;
+	ulong_t tag;
+	ulong_t ipoff;
+	ulong_t cssel;
+	ulong_t dataoff;
+	ulong_t datasel;
+	struct lx_fpreg _st[8];
+	ushort_t status;
+	ushort_t magic;  		/* 0xffff = regular FPU data */
+
+	/* FXSR FPU environment */
+	ulong_t _fxsr_env[6]; 		/* env is ignored */
+	ulong_t mxcsr;
+	ulong_t reserved;
+	struct lx_fpxreg _fxsr_st[8];  /* reg data is ignored */
+	struct lx_xmmreg _xmm[8];
+	ulong_t padding[56];
+} lx_fpstate_t;
+
+/*
+ * The Linux layout is defined in the Linux src tree in:
+ *     arch/x86/include/asm/sigcontext.h
+ * and the user-level def (which is what we want) at:
+ *     arch/x86/include/uapi/asm/sigcontext.h
+ *
+ * The Illumos offsets of the registers in the context are defined by the
+ * i386 ABI (see usr/src/uts/intel/sys/regset.h).
+ *
+ * Both Illumos and Linux match up here.
+ */
+typedef struct lx_sigcontext {
+	ulong_t sc_gs;
+	ulong_t sc_fs;
+	ulong_t sc_es;
+	ulong_t sc_ds;
+	ulong_t sc_edi;
+	ulong_t sc_esi;
+	ulong_t sc_ebp;
+	ulong_t sc_esp;
+	ulong_t sc_ebx;
+	ulong_t sc_edx;
+	ulong_t sc_ecx;
+	ulong_t sc_eax;
+	ulong_t sc_trapno;
+	ulong_t sc_err;
+	ulong_t sc_eip;
+	ulong_t sc_cs;
+	ulong_t sc_eflags;
+	ulong_t sc_esp_at_signal;
+	ulong_t sc_ss;
+
+	lx_fpstate_t *sc_fpstate;
+	ulong_t sc_mask;
+	ulong_t sc_cr2;
+} lx_sigcontext_t;
+#endif
+
+typedef struct lx_ucontext {
+	ulong_t uc_flags;		/* Linux always sets this to 0 */
+	struct lx_ucontext *uc_link;	/* Linux always sets this to NULL */
+	lx_stack_t uc_stack;
+	lx_sigcontext_t uc_sigcontext;
+	lx_sigset_t uc_sigmask;
+} lx_ucontext_t;
+
+typedef struct lx_sigbackup lx_sigbackup_t;
+struct lx_sigbackup {
+	ucontext_t *lxsb_retucp;
+	ucontext_t *lxsb_sigucp;
+	uintptr_t lxsb_sigdeliver_frame;
+	lx_sigbackup_t *lxsb_previous;
+};
+
+extern const int ltos_signo[];
+extern const int stol_signo[];
+
+extern void setsigacthandler(void (*)(int, siginfo_t *, void *),
+    void (**)(int, siginfo_t *, void *),
+    int (*)(const ucontext_t *));
+
+extern int lx_siginit(void);
+extern void lx_sighandlers_save(lx_sighandlers_t *);
+extern void lx_sighandlers_restore(lx_sighandlers_t *);
+
+extern int stol_siginfo(siginfo_t *siginfop, lx_siginfo_t *lx_siginfop);
+extern int stol_status(int);
+
+#endif	/* !defined(_ASM) */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LX_SIGNAL_H */
diff --git a/usr/src/lib/brand/lx/lx_brand/sys/lx_sigstack.h b/usr/src/lib/brand/lx/lx_brand/sys/lx_sigstack.h
new file mode 100644
index 0000000000..fbbf462389
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/sys/lx_sigstack.h
@@ -0,0 +1,78 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _SYS_LX_SIGSTACK_H
+#define	_SYS_LX_SIGSTACK_H
+
+#if !defined(_ASM)
+#include <sys/lx_types.h>
+#include <sys/ucontext.h>
+#include <sys/lx_signal.h>
+#include <lx_signum.h>
+
+#endif	/* !defined(_ASM) */
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * Two flavors of Linux signal stacks:
+ *
+ * lx_sigstack - used for "modern" signal handlers, in practice those
+ *               that have the sigaction(2) flag SA_SIGINFO set
+ *
+ * lx_oldsigstack - used for legacy signal handlers, those that do not have
+ *		    the sigaction(2) flag SA_SIGINFO set or that were setup via
+ *		    the signal(2) call.
+ *
+ * NOTE: Since these structures will be placed on the stack and stack math will
+ *	 be done with their sizes, for the 32-bit code they must be word
+ *	 aligned in size (4 bytes) so the stack remains word aligned per the
+ *	 i386 ABI, or, for 64-bit code they must be 16 byte aligned as per the
+ *	 AMD64 ABI.
+ *
+ *	 The precise layout of these stack frames is also potentially
+ *	 depended on by particularly esoteric (or broken) software, and
+ *	 should be preserved.  The Linux structures (rt_sigframe, et al)
+ *	 are defined in "arch/x86/include/asm/sigframe.h".
+ */
+#if defined(_LP64)
+typedef struct lx_sigstack {
+	void (*retaddr)();	/* address of real lx_rt_sigreturn code */
+	lx_ucontext_t uc;	/* saved user context */
+	lx_siginfo_t si;	/* saved signal information */
+	lx_fpstate_t fpstate;	/* saved FP state */
+	char pad[2];		/* stack alignment */
+} lx_sigstack_t;
+#else
+struct lx_sigstack {
+	void (*retaddr)();	/* address of real lx_rt_sigreturn code */
+	int sig;		/* signal number */
+	lx_siginfo_t *sip;	/* points to "si" if valid, NULL if not */
+	lx_ucontext_t *ucp;	/* points to "uc" */
+	lx_siginfo_t si;	/* saved signal information */
+	lx_ucontext_t uc;	/* saved user context */
+	lx_fpstate_t fpstate;	/* saved FP state */
+	char trampoline[8];	/* code for trampoline to lx_rt_sigreturn() */
+};
+#endif
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LX_SIGSTACK_H */
diff --git a/usr/src/lib/brand/lx/lx_brand/sys/lx_socket.h b/usr/src/lib/brand/lx/lx_brand/sys/lx_socket.h
new file mode 100644
index 0000000000..031cad1388
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/sys/lx_socket.h
@@ -0,0 +1,431 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.	All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc. All rights reserved.
+ */
+
+#ifndef _SYS_LX_SOCKET_H
+#define	_SYS_LX_SOCKET_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <sys/lx_types.h>
+
+/*
+ * Linux address family definitions
+ * Some of these are not supported
+ */
+#define	LX_AF_UNSPEC		0  /* Unspecified */
+#define	LX_AF_UNIX		1  /* local file/pipe name */
+#define	LX_AF_INET		2  /* IP protocol family */
+#define	LX_AF_AX25		3  /* Amateur Radio AX.25 */
+#define	LX_AF_IPX		4  /* Novell Internet Protocol */
+#define	LX_AF_APPLETALK		5  /* Appletalk */
+#define	LX_AF_NETROM		6  /* Amateur radio */
+#define	LX_AF_BRIDGE		7  /* Multiprotocol bridge */
+#define	LX_AF_ATMPVC		8  /* ATM PVCs */
+#define	LX_AF_X25		9  /* X.25 */
+#define	LX_AF_INET6		10 /* IPV 6 */
+#define	LX_AF_ROSE		11 /* Amateur Radio X.25 */
+#define	LX_AF_DECnet		12 /* DECnet */
+#define	LX_AF_NETBEUI		13 /* 802.2LLC */
+#define	LX_AF_SECURITY		14 /* Security callback */
+#define	LX_AF_KEY		15 /* key management */
+#define	LX_AF_ROUTE		16 /* Alias to emulate 4.4BSD */
+#define	LX_AF_PACKET		17 /* Packet family */
+#define	LX_AF_ASH		18 /* Ash ? */
+#define	LX_AF_ECONET		19 /* Acorn Econet */
+#define	LX_AF_ATMSVC		20 /* ATM SVCs */
+#define	LX_AF_SNA		22 /* Linux SNA */
+#define	LX_AF_IRDA		23 /* IRDA sockets */
+#define	LX_AF_PPPOX		24 /* PPPoX sockets */
+#define	LX_AF_WANPIPE		25 /* Wanpipe API sockets */
+#define	LX_AF_BLUETOOTH		31 /* Bluetooth sockets */
+#define	LX_AF_MAX		33 /* MAX socket type  */
+
+#define	AF_NOTSUPPORTED		-1
+#define	AF_INVAL		-2
+
+/*
+ * Linux ARP protocol hardware identifiers
+ */
+#define	LX_ARPHRD_ETHER		1	/* Ethernet */
+#define	LX_ARPHRD_LOOPBACK	772	/* Loopback */
+#define	LX_ARPHRD_VOID		0xffff	/* Unknown */
+
+/*
+ * Linux socket type definitions
+ */
+#define	LX_SOCK_STREAM		1  /* Connection-based byte streams */
+#define	LX_SOCK_DGRAM		2  /* Connectionless, datagram */
+#define	LX_SOCK_RAW		3  /* Raw protocol interface */
+#define	LX_SOCK_RDM		4  /* Reliably-delivered message */
+#define	LX_SOCK_SEQPACKET	5  /* Sequenced packet stream */
+#define	LX_SOCK_PACKET		10 /* Linux specific */
+#define	LX_SOCK_MAX		11
+
+/*
+ * The Linux socket type can be or-ed with other flags (e.g. SOCK_CLOEXEC).
+ */
+#define	LX_SOCK_TYPE_MASK	0xf
+
+/*
+ * Linux flags for socket, socketpair and accept4. These are or-ed into the
+ * socket type value. In the Linux net.h header these come from fcntl.h (note
+ * that they are in octal in the Linux header).
+ */
+#define	LX_SOCK_CLOEXEC		0x80000
+#define	LX_SOCK_NONBLOCK	0x800
+
+#define	SOCK_NOTSUPPORTED	-1
+#define	SOCK_INVAL		-2
+
+/*
+ * PF_PACKET protocol definitions.
+ */
+#define	LX_ETH_P_802_3	0x0001
+#define	LX_ETH_P_ALL	0x0003
+#define	LX_ETH_P_802_2	0x0004
+#define	LX_ETH_P_IP	0x0800
+#define	LX_ETH_P_ARP	0x0806
+#define	LX_ETH_P_IPV6	0x86DD
+
+/*
+ * IP Protocol levels. Some of these match the Illumos IPPROTO_* values.
+ */
+#define	LX_IPPROTO_IP		0
+#define	LX_IPPROTO_ICMP		1
+#define	LX_IPPROTO_IGMP		2
+#define	LX_IPPROTO_TCP		6
+#define	LX_IPPROTO_UDP		17
+#define	LX_IPPROTO_IPV6		41
+#define	LX_IPPROTO_ICMPV6	58
+#define	LX_IPPROTO_RAW		255
+
+/*
+ * Options for use with [gs]etsockopt at the IP level.
+ * IPPROTO_IP
+ */
+#define	LX_IP_TOS		1
+#define	LX_IP_TTL		2
+#define	LX_IP_HDRINCL		3
+#define	LX_IP_OPTIONS		4
+#define	LX_IP_ROUTER_ALERT	5
+#define	LX_IP_RECVOPTS		6
+#define	LX_IP_RETOPTS		7
+#define	LX_IP_PKTINFO		8
+#define	LX_IP_PKTOPTIONS	9
+#define	LX_IP_MTU_DISCOVER	10
+#define	LX_IP_RECVERR		11
+#define	LX_IP_RECVTTL		12
+#define	LX_IP_RECVTOS		13
+#define	LX_IP_MTU		14
+#define	LX_IP_FREEBIND		15
+#define	LX_IP_IPSEC_POLICY	16
+#define	LX_IP_XFRM_POLICY	17
+#define	LX_IP_PASSSEC		18
+#define	LX_IP_TRANSPARENT	19
+#define	LX_IP_ORIGDSTADDR	20
+#define	LX_IP_MINTTL		21
+#define	LX_IP_NODEFRAG		22
+/* Linux apparently leaves a gap here */
+#define	LX_IP_MULTICAST_IF	32
+#define	LX_IP_MULTICAST_TTL	33
+#define	LX_IP_MULTICAST_LOOP	34
+#define	LX_IP_ADD_MEMBERSHIP	35
+#define	LX_IP_DROP_MEMBERSHIP	36
+#define	LX_IP_UNBLOCK_SOURC	37
+#define	LX_IP_BLOCK_SOURCE	38
+#define	LX_IP_ADD_SOURCE_MEMBERSHIP 39
+#define	LX_IP_DROP_SOURCE_MEMBERSHIP 40
+#define	LX_IP_MSFILTER		41
+#define	LX_MCAST_JOIN_GROUP	42
+#define	LX_MCAST_BLOCK_SOURCE	43
+#define	LX_MCAST_UNBLOCK_SOURCE	44
+#define	LX_MCAST_LEAVE_GROUP	45
+#define	LX_MCAST_JOIN_SOURCE_GROUP 46
+#define	LX_MCAST_LEAVE_SOURCE_GROUP 47
+#define	LX_MCAST_MSFILTER	48
+#define	LX_IP_MULTICAST_ALL	49
+#define	LX_IP_UNICAST_IF	50
+
+
+/*
+ * Options for use with [gs]etsockopt at the IP level.
+ * IPPROTO_IPV6
+ */
+
+#define	LX_IPV6_ADDRFORM	1
+#define	LX_IPV6_2292PKTINFO	2
+#define	LX_IPV6_2292HOPOPTS	3
+#define	LX_IPV6_2292DSTOPTS	4
+#define	LX_IPV6_2292RTHDR	5
+#define	LX_IPV6_2292PKTOPTIONS	6
+#define	LX_IPV6_CHECKSUM	7
+#define	LX_IPV6_2292HOPLIMIT	8
+#define	LX_IPV6_NEXTHOP		9
+#define	LX_IPV6_AUTHHDR		10
+#define	LX_IPV6_UNICAST_HOPS	16
+#define	LX_IPV6_MULTICAST_IF	17
+#define	LX_IPV6_MULTICAST_HOPS	18
+#define	LX_IPV6_MULTICAST_LOOP	19
+#define	LX_IPV6_JOIN_GROUP	20
+#define	LX_IPV6_LEAVE_GROUP	21
+#define	LX_IPV6_ROUTER_ALERT	22
+#define	LX_IPV6_MTU_DISCOVER	23
+#define	LX_IPV6_MTU		24
+#define	LX_IPV6_RECVERR		25
+#define	LX_IPV6_V6ONLY		26
+#define	LX_IPV6_JOIN_ANYCAST	27
+#define	LX_IPV6_LEAVE_ANYCAST	28
+#define	LX_IPV6_IPSEC_POLICY	34
+#define	LX_IPV6_XFRM_POLICY	35
+
+#define	LX_IPV6_RECVPKTINFO	49
+#define	LX_IPV6_PKTINFO		50
+#define	LX_IPV6_RECVHOPLIMIT	51
+#define	LX_IPV6_HOPLIMIT	52
+#define	LX_IPV6_RECVHOPOPTS	53
+#define	LX_IPV6_HOPOPTS		54
+#define	LX_IPV6_RTHDRDSTOPTS	55
+#define	LX_IPV6_RECVRTHDR	56
+#define	LX_IPV6_RTHDR		57
+#define	LX_IPV6_RECVDSTOPTS	58
+#define	LX_IPV6_DSTOPTS		59
+#define	LX_IPV6_RECVTCLASS	66
+#define	LX_IPV6_TCLASS		67
+
+/*
+ * Options for use with [gs]etsockopt at the IP level.
+ * IPPROTO_ICMPV6
+ */
+
+#define	LX_ICMP6_FILTER		1
+
+/*
+ * Options for use with [gs]etsockopt at the TCP level.
+ * IPPROTO_TCP
+ */
+#define	LX_TCP_NODELAY		1  /* Don't delay send to coalesce packets  */
+#define	LX_TCP_MAXSEG		2  /* Set maximum segment size  */
+#define	LX_TCP_CORK		3  /* Control sending of partial frames  */
+#define	LX_TCP_KEEPIDLE		4  /* Start keeplives after this period */
+#define	LX_TCP_KEEPINTVL	5  /* Interval between keepalives */
+#define	LX_TCP_KEEPCNT		6  /* Number of keepalives before death */
+#define	LX_TCP_SYNCNT		7  /* Number of SYN retransmits */
+#define	LX_TCP_LINGER2		8  /* Life time of orphaned FIN-WAIT-2 state */
+#define	LX_TCP_DEFER_ACCEPT	9  /* Wake up listener only when data arrive */
+#define	LX_TCP_WINDOW_CLAMP	10 /* Bound advertised window */
+#define	LX_TCP_INFO		11 /* Information about this connection. */
+#define	LX_TCP_QUICKACK		12 /* Bock/reenable quick ACKs.  */
+#define	LX_TCP_CONGESTION	13 /* Congestion control algorithm */
+#define	LX_TCP_MD5SIG		14 /* TCP MD5 Signature (RFC2385) */
+#define	LX_TCP_THIN_LINEAR_TIMEOUTS 16 /* Use linear timeouts on thin streams */
+#define	LX_TCP_THIN_DUPACK	17 /* Fast retrans. after 1 dupack */
+#define	LX_TCP_USER_TIMEOUT	18 /* How long for loss retry before timeout */
+#define	LX_TCP_REPAIR		19 /* TCP socket under repair */
+#define	LX_TCP_REPAIR_QUEUE	20
+#define	LX_TCP_QUEUE_SEQ	21
+#define	LX_TCP_REPAIR_OPTIONS	22
+#define	LX_TCP_FASTOPEN		23 /* Enable FastOpen on listeners */
+#define	LX_TCP_TIMESTAMP	24
+#define	LX_TCP_NOTSENT_LOWAT	25 /* limit number of unsent bytes */
+
+/*
+ * Options for use with [gs]etsockopt at the IGMP level.
+ * IPPROTO_IGMP
+ */
+#define	LX_IGMP_MINLEN				8
+#define	LX_IGMP_MAX_HOST_REPORT_DELAY		10
+#define	LX_IGMP_HOST_MEMBERSHIP_QUERY		0x11
+#define	LX_IGMP_HOST_MEMBERSHIP_REPORT		0x12
+#define	LX_IGMP_DVMRP				0x13
+#define	LX_IGMP_PIM				0x14
+#define	LX_IGMP_TRACE				0x15
+#define	LX_IGMP_HOST_NEW_MEMBERSHIP_REPORT	0x16
+#define	LX_IGMP_HOST_LEAVE_MESSAGE		0x17
+#define	LX_IGMP_MTRACE_RESP			0x1e
+#define	LX_IGMP_MTRACE				0x1f
+
+/*
+ * Options for use with [gs]etsockopt at the SOL_SOCKET level.
+ */
+#define	LX_SOL_SOCKET				1
+
+#define	LX_SCM_RIGHTS				1
+#define	LX_SCM_CRED				2
+
+#define	LX_SO_DEBUG				1
+#define	LX_SO_REUSEADDR				2
+#define	LX_SO_TYPE				3
+#define	LX_SO_ERROR				4
+#define	LX_SO_DONTROUTE				5
+#define	LX_SO_BROADCAST				6
+#define	LX_SO_SNDBUF				7
+#define	LX_SO_RCVBUF				8
+#define	LX_SO_KEEPALIVE				9
+#define	LX_SO_OOBINLINE				10
+#define	LX_SO_NO_CHECK				11
+#define	LX_SO_PRIORITY				12
+#define	LX_SO_LINGER				13
+#define	LX_SO_BSDCOMPAT				14
+#define	LX_SO_REUSEPORT				15
+/*
+ * For Linux see unix(7) man page SO_PASSCRED description. For Illumos see
+ * socket.h(3HEAD) man page SO_RECVUCRED description.
+ */
+#define	LX_SO_PASSCRED				16
+#define	LX_SO_PEERCRED				17
+#define	LX_SO_RCVLOWAT				18
+#define	LX_SO_SNDLOWAT				19
+#define	LX_SO_RCVTIMEO				20
+#define	LX_SO_SNDTIMEO				21
+/* Security levels - as per NRL IPv6 - don't actually do anything */
+#define	LX_SO_SECURITY_AUTHENTICATION		22
+#define	LX_SO_SECURITY_ENCRYPTION_TRANSPORT	23
+#define	LX_SO_SECURITY_ENCRYPTION_NETWORK	24
+#define	LX_SO_BINDTODEVICE			25
+/* Socket filtering */
+#define	LX_SO_ATTACH_FILTER			26
+#define	LX_SO_DETACH_FILTER			27
+#define	LX_SO_PEERNAME				28
+#define	LX_SO_TIMESTAMP				29
+#define	LX_SCM_TIMESTAMP			LX_SO_TIMESTAMP
+#define	LX_SO_ACCEPTCONN			30
+
+#define	LX_SO_PEERSEC				31
+#define	LX_SO_SNDBUFFORCE			32
+#define	LX_SO_RCVBUFFORCE			33
+#define	LX_SO_PASSSEC				34
+#define	LX_SO_TIMESTAMPNS			35
+#define	LX_SCM_TIMESTAMPNS			LX_SO_TIMESTAMPNS
+#define	LX_SO_MARK				36
+#define	LX_SO_TIMESTAMPING			37
+#define	LX_SCM_TIMESTAMPING			LX_SO_TIMESTAMPING
+#define	LX_SO_PROTOCOL				38
+#define	LX_SO_DOMAIN				39
+#define	LX_SO_RXQ_OVFL				40
+#define	LX_SO_WIFI_STATUS			41
+#define	LX_SCM_WIFI_STATUS			LX_SO_WIFI_STATUS
+#define	LX_SO_PEEK_OFF				42
+#define	LX_SO_NOFCS				43
+#define	LX_SO_LOCK_FILTER			44
+#define	LX_SO_SELECT_ERR_QUEUE			45
+#define	LX_SO_BUSY_POLL				46
+#define	LX_SO_MAX_PACING_RATE			47
+#define	LX_SO_BPF_EXTENSIONS			48
+
+/*
+ * Options for use with [gs]etsockopt at the RAW level.
+ * IPPROTO_RAW
+ */
+#define	LX_ICMP_FILTER				1
+
+/*
+ * Options for use with [gs]etsockopt at the PACKET level.
+ * SOL_PACKET
+ */
+#define	LX_SOL_PACKET				263
+
+#define	LX_PACKET_ADD_MEMBERSHIP		1
+#define	LX_PACKET_DROP_MEMBERSHIP		2
+#define	LX_PACKET_RECV_OUTPUT			3
+#define	LX_PACKET_RX_RING			5
+#define	LX_PACKET_STATISTICS			6
+
+
+
+/*
+ * Linux socketcall indices.
+ * These constitute all 17 socket related system calls
+ *
+ * These system calls are called via a single system call socketcall().
+ * The first arg being the endex of the system call type
+ */
+#define	LX_SOCKET		1
+#define	LX_BIND			2
+#define	LX_CONNECT		3
+#define	LX_LISTEN		4
+#define	LX_ACCEPT		5
+#define	LX_GETSOCKNAME		6
+#define	LX_GETPEERNAME		7
+#define	LX_SOCKETPAIR		8
+#define	LX_SEND			9
+#define	LX_RECV			10
+#define	LX_SENDTO		11
+#define	LX_RECVFROM		12
+#define	LX_SHUTDOWN		13
+#define	LX_SETSOCKOPT		14
+#define	LX_GETSOCKOPT		15
+#define	LX_SENDMSG		16
+#define	LX_RECVMSG		17
+#define	LX_ACCEPT4		18
+#define	LX_RECVMMSG		19
+#define	LX_SENDMMSG		20
+
+/*
+ * Linux socket flags for use with recv(2)/send(2)/recvmsg(2)/sendmsg(2)
+ */
+#define	LX_MSG_OOB		1
+#define	LX_MSG_PEEK		2
+#define	LX_MSG_DONTROUTE	4
+#define	LX_MSG_CTRUNC		8
+#define	LX_MSG_PROXY		0x10
+#define	LX_MSG_TRUNC		0x20
+#define	LX_MSG_DONTWAIT		0x40
+#define	LX_MSG_EOR		0x80
+#define	LX_MSG_WAITALL		0x100
+#define	LX_MSG_FIN		0x200
+#define	LX_MSG_SYN		0x400
+#define	LX_MSG_CONFIRM		0x800
+#define	LX_MSG_RST		0x1000
+#define	LX_MSG_ERRQUEUE		0x2000
+#define	LX_MSG_NOSIGNAL		0x4000
+#define	LX_MSG_MORE		0x8000
+#define	LX_MSG_WAITFORONE	0x10000
+#define	LX_MSG_FASTOPEN		0x20000000
+#define	LX_MSG_CMSG_CLOEXEC	0x40000000
+
+struct lx_msghdr {
+	void		*msg_name;		/* optional address */
+	socklen_t	msg_namelen;		/* size of address */
+	struct iovec	*msg_iov;		/* scatter/gather array */
+	int		msg_iovlen;		/* # elements in msg_iov */
+	void		*msg_control;		/* ancillary data */
+	socklen_t	msg_controllen;		/* ancillary data buffer len */
+	int		msg_flags;		/* flags on received message */
+};
+
+struct lx_ucred {
+	pid_t		lxu_pid;
+	lx_uid_t	lxu_uid;
+	lx_gid_t	lxu_gid;
+};
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LX_SOCKET_H */
diff --git a/usr/src/lib/brand/lx/lx_brand/sys/lx_stat.h b/usr/src/lib/brand/lx/lx_brand/sys/lx_stat.h
new file mode 100644
index 0000000000..731555ec74
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/sys/lx_stat.h
@@ -0,0 +1,116 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _SYS_LX_STAT_H
+#define	_SYS_LX_STAT_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#include <sys/lx_types.h>
+#include <sys/stat.h>
+
+#define	LX_MAJORSHIFT		8
+#define	LX_MINORMASK		((1 << LX_MAJORSHIFT) - 1)
+#define	LX_MAKEDEVICE(lx_maj, lx_min)	\
+	((lx_dev_t)((lx_maj) << LX_MAJORSHIFT | ((lx_min) & LX_MINORMASK)))
+
+#define	LX_GETMAJOR(lx_dev)	((lx_dev) >> LX_MAJORSHIFT)
+#define	LX_GETMINOR(lx_dev)	((lx_dev) & LX_MINORMASK)
+
+#undef st_atime
+#undef st_mtime
+#undef st_ctime
+
+struct lx_stat {
+	lx_dev16_t		st_dev;
+	uint16_t		st_pad1;
+	lx_ino_t		st_ino;
+	lx_mode16_t		st_mode;
+	uint16_t		st_nlink;
+	lx_uid16_t		st_uid;
+	lx_gid16_t		st_gid;
+	lx_dev16_t		st_rdev;
+	uint16_t 		st_pad2;
+	lx_off_t		st_size;
+	lx_blksize_t		st_blksize;
+	lx_blkcnt_t		st_blocks;
+	struct lx_timespec	st_atime;
+	struct lx_timespec	st_mtime;
+	struct lx_timespec	st_ctime;
+	uint32_t		st_pad3;
+	uint32_t		st_pad4;
+};
+
+#if defined(_LP64)
+struct lx_stat64 {
+	ulong_t			st_dev;
+	ulong_t			st_ino;
+	ulong_t			st_nlink;	/* yes, the order really is */
+	uint_t			st_mode;	/* different for these two */
+	uint_t			st_uid;
+	uint_t			st_gid;
+	uint_t			st_pad0;
+	ulong_t			st_rdev;
+	long			st_size;
+	long			st_blksize;
+	long			st_blocks;
+	struct lx_timespec	st_atime;
+	struct lx_timespec	st_mtime;
+	struct lx_timespec	st_ctime;
+	long			st_unused[3];
+};
+
+#else /* is 32-bit */
+
+struct lx_stat64 {
+	lx_dev_t		st_dev;
+	uint32_t		st_pad1;
+	lx_ino_t		st_small_ino;
+	lx_mode_t		st_mode;
+	uint_t			st_nlink;
+	lx_uid_t		st_uid;
+	lx_gid_t		st_gid;
+	lx_dev_t		st_rdev;
+	uint32_t		st_pad2;
+	lx_off64_t		st_size;
+	lx_blksize_t		st_blksize;
+	lx_blkcnt64_t		st_blocks;
+	struct lx_timespec	st_atime;
+	struct lx_timespec	st_mtime;
+	struct lx_timespec	st_ctime;
+	lx_ino64_t		st_ino;
+};
+#endif
+
+extern int lx_stat_init(void);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LX_STAT_H */
diff --git a/usr/src/lib/brand/lx/lx_brand/sys/lx_statfs.h b/usr/src/lib/brand/lx/lx_brand/sys/lx_statfs.h
new file mode 100644
index 0000000000..72c4c9ebcf
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/sys/lx_statfs.h
@@ -0,0 +1,82 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef	_LX_STATFS_H
+#define	_LX_STATFS_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+extern int lx_statfs_init(void);
+
+struct lx_statfs {
+	size_t		f_type;
+	size_t		f_bsize;
+	ulong_t		f_blocks;
+	ulong_t		f_bfree;
+	ulong_t		f_bavail;
+	ulong_t		f_files;
+	ulong_t		f_ffree;
+	u_longlong_t	f_fsid;
+	size_t		f_namelen;
+	size_t		f_frsize;
+	size_t		f_spare[5];
+};
+
+struct lx_statfs64 {
+	int		f_type;
+	int		f_bsize;
+	u_longlong_t	f_blocks;
+	u_longlong_t	f_bfree;
+	u_longlong_t	f_bavail;
+	u_longlong_t	f_files;
+	u_longlong_t	f_ffree;
+	u_longlong_t	f_fsid;
+	int		f_namelen;
+	int		f_frsize;
+	int		f_spare[5];
+};
+
+/*
+ * These magic values are taken mostly from statfs(2) or magic.h
+ */
+#define	LX_DEVFS_SUPER_MAGIC		0x1373
+#define	LX_DEVPTS_SUPER_MAGIC		0x1cd1
+#define	LX_EXT2_SUPER_MAGIC		0xEF53
+#define	LX_ISOFS_SUPER_MAGIC		0x9660
+#define	LX_MSDOS_SUPER_MAGIC		0x4d44
+#define	LX_NFS_SUPER_MAGIC		0x6969
+#define	LX_PROC_SUPER_MAGIC		0x9fa0
+#define	LX_TMPFS_SUPER_MAGIC		0x01021994
+#define	LX_UFS_MAGIC			0x00011954
+#define	LX_PIPEFS_MAGIC			0x50495045
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LX_STATFS_H */
diff --git a/usr/src/lib/brand/lx/lx_brand/sys/lx_syscall.h b/usr/src/lib/brand/lx/lx_brand/sys/lx_syscall.h
new file mode 100644
index 0000000000..6eff748ff5
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/sys/lx_syscall.h
@@ -0,0 +1,342 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc. All rights reserved.
+ */
+
+#ifndef _SYS_LX_SYSCALL_H
+#define	_SYS_LX_SYSCALL_H
+
+#include <sys/lx_brand.h>
+
+#if !defined(_ASM)
+
+#include <sys/types.h>
+#include <sys/procset.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int lx_install;
+
+extern long lx_mknodat(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_futimesat(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_utimensat(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_fstatat64(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_unlinkat(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_renameat(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_linkat(uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_symlinkat(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_readlinkat(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_access(uintptr_t, uintptr_t);
+extern long lx_faccessat(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+
+extern long lx_stat(uintptr_t, uintptr_t);
+extern long lx_fstat(uintptr_t, uintptr_t);
+extern long lx_lstat(uintptr_t, uintptr_t);
+extern long lx_stat64(uintptr_t, uintptr_t);
+extern long lx_fstat64(uintptr_t, uintptr_t);
+extern long lx_lstat64(uintptr_t, uintptr_t);
+extern long lx_fcntl(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_fcntl64(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_flock(uintptr_t, uintptr_t);
+extern long lx_readlink(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_readdir(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_getdents(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_getdents64(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_execve(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_dup2(uintptr_t, uintptr_t);
+extern long lx_dup3(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_ioctl(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_vhangup(void);
+extern long lx_fadvise64(uintptr_t, off64_t, uintptr_t, uintptr_t);
+extern long lx_fadvise64_64(uintptr_t, off64_t, off64_t, uintptr_t);
+
+extern long lx_readv(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_writev(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_pread(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_pwrite(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_preadv(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_pwritev(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_pread64(uintptr_t, uintptr_t, uintptr_t, uintptr_t,
+    uintptr_t);
+extern long lx_pwrite64(uintptr_t, uintptr_t, uintptr_t, uintptr_t,
+    uintptr_t);
+
+extern long lx_socketcall(uintptr_t, uintptr_t);
+extern long lx_accept(int, void *, int *);
+extern long lx_accept4(int, void *, int *, int);
+extern long lx_bind(int, void *, int);
+extern long lx_connect(int, void *, int);
+extern long lx_getpeername(int, void *, int *);
+extern long lx_getsockname(int, void *, int *);
+extern long lx_getsockopt(int, int, int, void *, int *);
+extern long lx_listen(int, int);
+extern long lx_recvfrom(int, void *, size_t, int, void *, socklen_t *);
+extern long lx_recvmsg(int, void *, int);
+extern long lx_sendmsg(int, void *, int);
+extern long lx_sendto(int, void *, size_t, int, void *, int);
+extern long lx_setsockopt(int, int, int, void *, int);
+extern long lx_shutdown(int, int);
+extern long lx_socket(int, int, int);
+extern long lx_socketpair(int, int, int, int *);
+
+extern long lx_select(uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_pselect6(uintptr_t, uintptr_t, uintptr_t, uintptr_t,
+    uintptr_t, uintptr_t);
+extern long lx_poll(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_ppoll(uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_epoll_ctl(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_settimeofday(uintptr_t, uintptr_t);
+extern long lx_getrusage(uintptr_t, uintptr_t);
+extern long lx_mknod(uintptr_t, uintptr_t, uintptr_t);
+
+extern long lx_getpgrp(void);
+extern long lx_getpgid(uintptr_t);
+extern long lx_setpgid(uintptr_t, uintptr_t);
+extern long lx_getsid(uintptr_t);
+extern long lx_setsid(void);
+
+extern long lx_getuid16(void);
+extern long lx_getgid16(void);
+extern long lx_geteuid16(void);
+extern long lx_getegid16(void);
+extern long lx_geteuid(void);
+extern long lx_getegid(void);
+extern long lx_getresuid16(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_getresgid16(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_getresuid(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_getresgid(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_capget(uintptr_t, uintptr_t);
+extern long lx_capset(uintptr_t, uintptr_t);
+
+extern long lx_setuid16(uintptr_t);
+extern long lx_setreuid16(uintptr_t, uintptr_t);
+extern long lx_setregid16(uintptr_t, uintptr_t);
+extern long lx_setgid16(uintptr_t);
+extern long lx_setfsuid16(uintptr_t);
+extern long lx_setfsgid16(uintptr_t);
+
+extern long lx_setfsuid(uintptr_t);
+extern long lx_setfsgid(uintptr_t);
+
+extern long lx_clock_nanosleep(int, int flags, struct timespec *,
+    struct timespec *);
+extern long lx_adjtimex(void *);
+extern long lx_timer_create(int, struct sigevent *, timer_t *);
+extern long lx_timer_settime(timer_t, int, struct itimerspec *,
+    struct itimerspec *);
+extern long lx_timer_gettime(timer_t, struct itimerspec *);
+extern long lx_timer_getoverrun(timer_t);
+extern long lx_timer_delete(timer_t);
+
+extern long lx_truncate(uintptr_t, uintptr_t);
+extern long lx_ftruncate(uintptr_t, uintptr_t);
+extern long lx_truncate64(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_ftruncate64(uintptr_t, uintptr_t, uintptr_t);
+
+extern long lx_sysctl(uintptr_t);
+extern long lx_fsync(uintptr_t);
+extern long lx_fdatasync(uintptr_t);
+extern long lx_link(uintptr_t, uintptr_t);
+extern long lx_unlink(uintptr_t);
+extern long lx_rmdir(uintptr_t);
+extern long lx_rename(uintptr_t, uintptr_t);
+extern long lx_utime(uintptr_t, uintptr_t);
+extern long lx_llseek(uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_lseek(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_sysfs(uintptr_t, uintptr_t, uintptr_t);
+
+extern long lx_getcwd(uintptr_t, uintptr_t);
+extern long lx_uname(uintptr_t);
+extern long lx_reboot(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_getgroups16(uintptr_t, uintptr_t);
+extern long lx_setgroups(uintptr_t, uintptr_t);
+extern long lx_setgroups16(uintptr_t, uintptr_t);
+extern long lx_personality(uintptr_t);
+
+extern long lx_query_module(uintptr_t, uintptr_t, uintptr_t, uintptr_t,
+    uintptr_t);
+
+extern long lx_times(uintptr_t);
+extern long lx_setitimer(uintptr_t, uintptr_t, uintptr_t);
+
+extern long lx_clone(uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_exit(uintptr_t);
+extern long lx_group_exit(uintptr_t);
+
+extern long lx_mlock(uintptr_t, uintptr_t);
+extern long lx_mlockall(uintptr_t);
+extern long lx_munlock(uintptr_t, uintptr_t);
+extern long lx_munlockall(void);
+extern long lx_msync(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_madvise(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_mprotect(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_mmap(uintptr_t, uintptr_t, uintptr_t, uintptr_t,
+    uintptr_t, uintptr_t);
+extern long lx_mmap2(uintptr_t, uintptr_t, uintptr_t, uintptr_t,
+    uintptr_t, uintptr_t);
+extern long lx_remap(uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+
+extern long lx_mount(uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_umount(uintptr_t);
+extern long lx_umount2(uintptr_t, uintptr_t);
+
+extern long lx_statfs(uintptr_t, uintptr_t);
+extern long lx_fstatfs(uintptr_t, uintptr_t);
+extern long lx_statfs64(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_fstatfs64(uintptr_t, uintptr_t, uintptr_t);
+
+extern long lx_sigreturn(void);
+extern long lx_rt_sigreturn(void);
+extern long lx_signal(uintptr_t, uintptr_t);
+extern long lx_sigaction(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_rt_sigaction(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_sigaltstack(uintptr_t, uintptr_t);
+extern long lx_sigpending(uintptr_t);
+extern long lx_rt_sigpending(uintptr_t, uintptr_t);
+extern long lx_sigprocmask(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_rt_sigprocmask(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_sigsuspend(uintptr_t);
+extern long lx_rt_sigsuspend(uintptr_t, uintptr_t);
+extern long lx_rt_sigwaitinfo(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_rt_sigtimedwait(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_rt_sigqueueinfo(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_rt_tgsigqueueinfo(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+
+extern long lx_sync(void);
+
+extern long lx_futex(uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
+    uintptr_t);
+
+extern long lx_tkill(uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
+    uintptr_t);
+extern long lx_tgkill(uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
+    uintptr_t);
+
+extern long lx_sethostname(uintptr_t, uintptr_t);
+extern long lx_setdomainname(uintptr_t, uintptr_t);
+
+extern long lx_sendfile(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_sendfile64(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+
+extern long lx_fork(void);
+extern long lx_vfork(void);
+extern long lx_exec(uintptr_t, uintptr_t, uintptr_t);
+
+extern long lx_getpriority(uintptr_t, uintptr_t);
+extern long lx_setpriority(uintptr_t, uintptr_t, uintptr_t);
+
+extern long lx_ptrace(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+
+extern long lx_sched_getaffinity(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_sched_setaffinity(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_sched_getparam(uintptr_t, uintptr_t);
+extern long lx_sched_setparam(uintptr_t, uintptr_t);
+extern long lx_sched_rr_get_interval(uintptr_t pid, uintptr_t);
+extern long lx_sched_getscheduler(uintptr_t);
+extern long lx_sched_setscheduler(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_sched_get_priority_min(uintptr_t);
+extern long lx_sched_get_priority_max(uintptr_t);
+
+extern long lx_xattr2(uintptr_t, uintptr_t);
+extern long lx_xattr3(uintptr_t, uintptr_t, uintptr_t);
+extern long lx_xattr4(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+
+extern long lx_keyctl(void);
+
+extern long lx_ipc(uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+extern long lx_msgget(key_t, int);
+extern long lx_msgsnd(int, void *, size_t, int);
+extern long lx_msgrcv(int, void *, size_t, long, int);
+extern long lx_msgctl(int, int, void *);
+extern long lx_semget(key_t, int, int);
+extern long lx_semop(int, void *, size_t);
+extern long lx_semtimedop(int, void *, size_t, struct timespec *);
+extern long lx_semctl(int, int, int, void *);
+extern long lx_shmget(key_t, size_t, int);
+extern long lx_shmat(int, void *, int);
+extern long lx_shmctl(int, int, void *);
+
+extern long lx_prctl(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+
+extern long lx_alarm(unsigned int);
+extern long lx_close(int);
+extern long lx_chdir(const char *);
+extern long lx_chroot(const char *);
+extern long lx_creat(const char *, mode_t);
+extern long lx_dup(int);
+extern long lx_epoll_pwait(int, void *, int, int, const sigset_t *);
+extern long lx_epoll_create(int);
+extern long lx_epoll_create1(int);
+extern long lx_epoll_wait(int, void *, int, int);
+extern long lx_eventfd(unsigned int);
+extern long lx_eventfd2(unsigned int, int);
+extern long lx_fchdir(int);
+extern long lx_getgid(void);
+extern long lx_getgroups(int, gid_t *);
+extern long lx_getitimer(int, struct itimerval *);
+extern long lx_getuid(void);
+extern long lx_inotify_add_watch(int, const char *, uint32_t);
+extern long lx_inotify_init(void);
+extern long lx_inotify_init1(int);
+extern long lx_inotify_rm_watch(int, int);
+extern long lx_mincore(caddr_t, size_t, char *);
+extern long lx_munmap(void *, size_t);
+extern long lx_nanosleep(const struct timespec *, struct timespec *);
+extern long lx_nice(int);
+extern long lx_pause(void);
+extern long lx_setgid(gid_t);
+extern long lx_setuid(uid_t);
+extern long lx_setregid(gid_t, gid_t);
+extern long lx_setreuid(uid_t, uid_t);
+extern long lx_shmdt(char *);
+extern long lx_stime(const time_t *);
+extern long lx_symlink(const char *, const char *);
+extern long lx_syslog(int, char *, int);
+extern long lx_timerfd_create(int, int);
+extern long lx_timerfd_settime(int, int,
+    const struct itimerspec *, struct itimerspec *);
+extern long lx_timerfd_gettime(int, struct itimerspec *);
+extern long lx_umask(mode_t);
+extern long lx_utimes(const char *, const struct timeval *);
+
+#endif	/* !defined(_ASM) */
+
+
+#if defined(_LP64)
+#define	LX_SYS_clone		56
+#else
+#define	LX_SYS_clone		120
+#endif
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LX_SYSCALL_H */
diff --git a/usr/src/lib/brand/lx/lx_brand/sys/lx_sysv_ipc.h b/usr/src/lib/brand/lx/lx_brand/sys/lx_sysv_ipc.h
new file mode 100644
index 0000000000..f9f49598b7
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/sys/lx_sysv_ipc.h
@@ -0,0 +1,222 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _LX_SYSV_IPC_H
+#define	_LX_SYSV_IPC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * msg-related definitions.
+ */
+#define	LX_IPC_CREAT	00001000
+#define	LX_IPC_EXCL	00002000
+#define	LX_IPC_NOWAIT	00004000
+
+#define	LX_IPC_RMID	0
+#define	LX_IPC_SET	1
+#define	LX_IPC_STAT	2
+#define	LX_IPC_INFO	3
+
+#define	LX_IPC_64	0x0100
+
+#define	LX_SEMOP	1
+#define	LX_SEMGET	2
+#define	LX_SEMCTL	3
+#define	LX_MSGSND	11
+#define	LX_MSGRCV	12
+#define	LX_MSGGET	13
+#define	LX_MSGCTL	14
+#define	LX_SHMAT	21
+#define	LX_SHMDT	22
+#define	LX_SHMGET	23
+#define	LX_SHMCTL	24
+
+#define	LX_MSG_STAT	11
+#define	LX_MSG_INFO	12
+
+#define	LX_MSG_NOERROR	010000
+
+/*
+ * Linux hard codes the maximum msgbuf length to be 8192 bytes.  Really.
+ */
+#define	LX_MSGMAX	8192
+
+struct lx_ipc_perm {
+	key_t		key;
+	uid_t		uid;
+	uid_t		gid;
+	uid_t		cuid;
+	uid_t		cgid;
+	ushort_t	mode;
+	ushort_t	_pad1;
+	ushort_t	seq;
+	ushort_t	_pad2;
+	ulong_t		_unused1;
+	ulong_t		_unused2;
+};
+
+struct lx_msqid_ds {
+	struct lx_ipc_perm	msg_perm;
+	time_t			msg_stime;
+#if defined(_ILP32)
+	ulong_t			_unused1;
+#endif
+	time_t			msg_rtime;
+#if defined(_ILP32)
+	ulong_t			_unused2;
+#endif
+	time_t			msg_ctime;
+#if defined(_ILP32)
+	ulong_t			_unused3;
+#endif
+	ulong_t			msg_cbytes;
+	ulong_t			msg_qnum;
+	ulong_t			msg_qbytes;
+	pid_t			msg_lspid;
+	pid_t			msg_lrpid;
+	ulong_t			_unused4;
+	ulong_t			_unused5;
+};
+
+struct lx_msginfo {
+	int		msgpool;
+	int		msgmap;
+	int		msgmax;
+	int		msgmnb;
+	int		msgmni;
+	int		msgssz;
+	int		msgtql;
+	ushort_t	msgseg;
+};
+
+/*
+ * semaphore-related definitions.
+ */
+#define	LX_GETPID	11
+#define	LX_GETVAL	12
+#define	LX_GETALL	13
+#define	LX_GETNCNT	14
+#define	LX_GETZCNT	15
+#define	LX_SETVAL	16
+#define	LX_SETALL	17
+#define	LX_SEM_STAT	18
+#define	LX_SEM_INFO	19
+#define	LX_SEM_UNDO	0x1000
+#define	LX_SEMVMX	32767
+
+struct lx_semid_ds {
+	struct lx_ipc_perm	sem_perm;
+	time_t			sem_otime;
+	ulong_t			_unused1;
+	time_t			sem_ctime;
+	ulong_t			_unused2;
+	ulong_t			sem_nsems;
+	ulong_t			_unused3;
+	ulong_t			_unused4;
+};
+
+struct lx_seminfo {
+	int semmap;
+	int semmni;
+	int semmns;
+	int semmnu;
+	int semmsl;
+	int semopm;
+	int semume;
+	int semusz;
+	int semvmx;
+	int semaem;
+};
+
+union lx_semun {
+	int val;
+	struct lx_semid_ds *semds;
+	ushort_t *sems;
+	struct lx_seminfo *info;
+	uintptr_t dummy;
+};
+
+/*
+ * shm-related definitions
+ */
+#define	LX_SHM_LOCKED	02000
+#define	LX_SHM_RDONLY	010000
+#define	LX_SHM_RND	020000
+#define	LX_SHM_REMAP	040000
+
+#define	LX_SHM_LOCK	11
+#define	LX_SHM_UNLOCK	12
+#define	LX_SHM_STAT	13
+#define	LX_SHM_INFO	14
+
+struct lx_shmid_ds {
+	struct lx_ipc_perm	shm_perm;
+	size_t			shm_segsz;
+	time_t			shm_atime;
+#if defined(_ILP32)
+	ulong_t			_unused1;
+#endif
+	time_t			shm_dtime;
+#if defined(_ILP32)
+	ulong_t			_unused2;
+#endif
+	time_t			shm_ctime;
+#if defined(_ILP32)
+	ulong_t			_unused3;
+#endif
+	pid_t			shm_cpid;
+	pid_t			shm_lpid;
+	ushort_t		shm_nattch;
+	ulong_t			_unused4;
+	ulong_t			_unused5;
+};
+
+struct lx_shm_info {
+	int	used_ids;
+	ulong_t	shm_tot;
+	ulong_t	shm_rss;
+	ulong_t	shm_swp;
+	ulong_t	swap_attempts;
+	ulong_t	swap_successes;
+};
+
+struct lx_shminfo {
+	ulong_t	shmmax;
+	ulong_t	shmmin;
+	ulong_t	shmmni;
+	ulong_t	shmseg;
+	ulong_t	shmall;
+};
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LX_SYSV_IPC_H */
diff --git a/usr/src/lib/brand/lx/lx_brand/sys/lx_thread.h b/usr/src/lib/brand/lx/lx_brand/sys/lx_thread.h
new file mode 100644
index 0000000000..3867f621f5
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/sys/lx_thread.h
@@ -0,0 +1,78 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.	All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc
+ */
+
+#ifndef _SYS_LX_THREAD_H
+#define	_SYS_LX_THREAD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <sys/lx_signal.h>
+#include <thread.h>
+
+typedef enum lx_exit_type {
+	LX_ET_NONE = 0,
+	LX_ET_EXIT,
+	LX_ET_EXIT_GROUP
+} lx_exit_type_t;
+
+typedef struct lx_tsd {
+	lx_exit_type_t	lxtsd_exit;
+	int		lxtsd_exit_status;
+	ucontext_t	lxtsd_exit_context;
+
+	/*
+	 * If this value is non-zero, we use it in lx_sigdeliver() to represent
+	 * the in-use extent of the Linux (i.e. BRAND) stack for this thread.
+	 * Access to this value must be protected by _sigoff()/_sigon().
+	 */
+	uintptr_t	lxtsd_lx_sp;
+
+	/*
+	 * Alternate stack for Linux sigaltstack emulation:
+	 */
+	lx_stack_t	lxtsd_sigaltstack;
+
+	void		*lxtsd_clone_state;
+
+	lx_sigbackup_t	*lxtsd_sigbackup;
+} lx_tsd_t;
+
+extern thread_key_t	lx_tsd_key;
+
+extern void		lx_swap_gs(long, long *);
+
+extern void		lx_exit_common(void) __NORETURN;
+
+extern lx_tsd_t		*lx_get_tsd(void);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LX_THREAD_H */
diff --git a/usr/src/lib/brand/lx/lx_brand/sys/lx_thunk_server.h b/usr/src/lib/brand/lx/lx_brand/sys/lx_thunk_server.h
new file mode 100644
index 0000000000..33704bffb6
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_brand/sys/lx_thunk_server.h
@@ -0,0 +1,140 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_LX_THUNK_SERVER_H
+#define	_LX_THUNK_SERVER_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#include <netdb.h>
+#include <procfs.h>
+
+/*
+ * Binary that should be exec'd to start up the thunking server
+ */
+#define	LXT_SERVER_BINARY	"/native/usr/lib/brand/lx/lx_thunk"
+
+/*
+ * When the thunking server is started it will need to communicate
+ * to the client via two fifos.  These fifos will be passed to the
+ * thunking server via the following file descriptors:
+ */
+#define	LXT_SERVER_FIFO_RD_FD	3
+#define	LXT_SERVER_FIFO_WR_FD	4
+
+/*
+ * Operations supported by the thunking server
+ */
+#define	LXT_SERVER_OP_MIN		0
+#define	LXT_SERVER_OP_PING		0
+#define	LXT_SERVER_OP_NAME2HOST		1
+#define	LXT_SERVER_OP_ADDR2HOST		2
+#define	LXT_SERVER_OP_NAME2SERV		3
+#define	LXT_SERVER_OP_PORT2SERV		4
+#define	LXT_SERVER_OP_OPENLOG		5
+#define	LXT_SERVER_OP_SYSLOG		6
+#define	LXT_SERVER_OP_CLOSELOG		7
+#define	LXT_SERVER_OP_MAX		8
+
+/*
+ * Macros used to translate pointer into offsets for when they are
+ * being transmitted between the client and server processes.
+ *
+ * NOTE: We're going to add 1 to every offset value.  The reason
+ * for this is that some of the pointers we're converting to offsets are
+ * stored in NULL terminated arrays, and if one of the members of
+ * one of these arrays happened to be at the beginning of the storage
+ * buffer it would have an offset of 0 and when the client tries to
+ * translate the offsets back into pointers it wouldn't be able
+ * to differentiate between the 0 offset from the end of the array.
+ */
+#define	LXT_PTR_TO_OFFSET(ptr, base) \
+		((void *)((uintptr_t)(ptr) - (uintptr_t)(base) + 1))
+#define	LXT_OFFSET_TO_PTR(offset, base) \
+		((void *)((uintptr_t)(offset) + (uintptr_t)(base) - 1))
+
+/*
+ * Structures passed to the thunking server via door calls
+ */
+typedef struct lxt_server_arg {
+	int		lxt_sa_op;
+	int		lxt_sa_success;
+	int		lxt_sa_errno;
+	char		lxt_sa_data[1];
+} lxt_server_arg_t;
+
+typedef struct lxt_gethost_arg {
+	struct hostent	lxt_gh_result;
+
+	int		lxt_gh_h_errno;
+
+	int		lxt_gh_type;
+	int		lxt_gh_token_len;
+	int		lxt_gh_buf_len;
+
+	int		lxt_gh_storage_len;
+	char		lxt_gh_storage[1];
+} lxt_gethost_arg_t;
+
+typedef struct lxt_getserv_arg {
+	struct servent	lxt_gs_result;
+
+	int		lxt_gs_token_len;
+	int		lxt_gs_buf_len;
+	char		lxt_gs_proto[5];
+
+	int		lxt_gs_storage_len;
+	char		lxt_gs_storage[1];
+} lxt_getserv_arg_t;
+
+typedef struct lxt_openlog_arg {
+	int		lxt_ol_logopt;
+	int		lxt_ol_facility;
+	char		lxt_ol_ident[128];
+} lxt_openlog_arg_t;
+
+typedef struct lxt_syslog_arg {
+	int		lxt_sl_priority;
+	pid_t		lxt_sl_pid;
+	char		lxt_sl_progname[PRFNSZ];
+	char		lxt_sl_message[1024];
+} lxt_syslog_arg_t;
+
+
+/*
+ * Functions called by the brand library to manage startup of the
+ * thunk server process.
+ */
+void lxt_server_init(int, char *[]);
+void lxt_server_exec_check(void);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LX_THUNK_SERVER_H */
diff --git a/usr/src/lib/brand/lx/lx_nametoaddr/Makefile b/usr/src/lib/brand/lx/lx_nametoaddr/Makefile
new file mode 100644
index 0000000000..f69dcec561
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_nametoaddr/Makefile
@@ -0,0 +1,52 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include ../../../Makefile.lib
+
+SUBDIRS = $(MACH)
+$(BUILD64)SUBDIRS += $(MACH64)
+
+LINT_SUBDIRS = $(MACH)
+$(BUILD64)LINT_SUBDIRS += $(MACH64)
+
+all :=          TARGET= all
+clean :=        TARGET= clean
+clobber :=      TARGET= clobber
+install :=      TARGET= install
+lint :=         TARGET= lint
+
+.KEEP_STATE:
+
+all install clean clobber: $(SUBDIRS)
+
+lint: $(LINT_SUBDIRS)
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
diff --git a/usr/src/lib/brand/lx/lx_nametoaddr/Makefile.com b/usr/src/lib/brand/lx/lx_nametoaddr/Makefile.com
new file mode 100644
index 0000000000..a0fd9da3fe
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_nametoaddr/Makefile.com
@@ -0,0 +1,68 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+LIBRARY =	lx_nametoaddr.a
+VERS =		.1
+
+COBJS =		lx_nametoaddr.o
+OBJECTS =	$(COBJS)
+
+include ../../../../Makefile.lib
+include ../../Makefile.lx
+
+MAPFILES =	../common/mapfile-vers
+MAPOPTS =	$(MAPFILES:%=-M%)
+
+CSRCS =		$(COBJS:%o=../common/%c)
+SRCS =		$(CSRCS)
+
+SRCDIR =	../common
+LX_THUNK =	../../lx_thunk
+
+ASFLAGS +=	-P -D_ASM
+LDLIBS +=	-lc -lnsl
+CFLAGS +=	$(CCVERBOSE)
+CPPFLAGS +=	-D_REENTRANT -I../ -I$(LX_THUNK)
+DYNFLAGS +=	$(MAPOPTS) '-R$$ORIGIN'
+
+LIBS =		$(DYNLIB)
+
+LINTFLAGS +=	$(LX_THUNK)/$(MACH)/llib-llx_thunk.ln
+LINTFLAGS64 +=	$(LX_THUNK)/$(MACH64)/llib-llx_thunk.ln
+
+CLEANFILES =	$(DYNLIB)
+ROOTLIBDIR =	$(ROOT)/usr/lib/brand/lx
+ROOTLIBDIR64 =	$(ROOT)/usr/lib/brand/lx/$(MACH64)
+
+.KEEP_STATE:
+
+all: $(DYNLIB)
+
+lint: lintcheck
+
+include ../../../../Makefile.targ
diff --git a/usr/src/lib/brand/lx/lx_nametoaddr/amd64/Makefile b/usr/src/lib/brand/lx/lx_nametoaddr/amd64/Makefile
new file mode 100644
index 0000000000..a526d34834
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_nametoaddr/amd64/Makefile
@@ -0,0 +1,35 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include ../Makefile.com
+include $(SRC)/lib/Makefile.lib.64
+
+DYNFLAGS +=	$(LX_THUNK)/$(MACH64)/lx_thunk.so.1
+CLOBBERFILES =	$(ROOTLIBDIR64)/$(DYNLIB) $(ROOTLIBDIR64)/$(LINTLIB)
+
+install: all $(ROOTLIBS64)
diff --git a/usr/src/lib/brand/lx/lx_nametoaddr/common/lx_nametoaddr.c b/usr/src/lib/brand/lx/lx_nametoaddr/common/lx_nametoaddr.c
new file mode 100644
index 0000000000..4b6a0532a9
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_nametoaddr/common/lx_nametoaddr.c
@@ -0,0 +1,479 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+/*
+ * BrandZ lx name services translation library.
+ *
+ * This library is specified as the default name services translation
+ * library in a custom netconfig(4) file that is only used when running
+ * native solaris processes in a Linux branded zone.
+ *
+ * What this means it that when a native solaris process runs in a
+ * Linux branded zone and issues a name service request to libnsl.so
+ * (either directly or indirectly via any libraries the program may
+ * be linked against) libnsl.so will dlopen(3c) this library and call
+ * into it to service these requests.
+ *
+ * This library is in turn linked against lx_thunk.so and will attempt
+ * to call interfaces in lx_thunk.so to resolve these requests.  The
+ * functions that are called in lx_thunk.so are designed to have the
+ * same signature and behavior as the existing solaris name service
+ * interfaces.  The name services interfaces we call are:
+ *
+ *	Native Interface	-> lx_thunk.so Interface
+ *	----------------	-> ---------------------
+ *	gethostbyname_r		-> lxt_gethostbyname_r
+ *	gethostbyaddr_r		-> lxt_gethostbyaddr_r
+ *	getservbyname_r		-> lxt_getservbyname_r
+ *	getservbyport_r		-> lxt_getservbyport_r
+ *
+ * This library also uses one additional interface from lx_thunk.so:
+ * 	lxt_debug
+ * Information debugging messages are sent to lx_thunk.so via this
+ * interface and that library can decided if it wants to drop the
+ * messages or output them somewhere.
+ */
+
+#include <assert.h>
+#include <dlfcn.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <netdir.h>
+#include <nss_dbdefs.h>
+#include <rpc/clnt.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/varargs.h>
+#include <sys/wait.h>
+#include <thread.h>
+#include <tiuser.h>
+#include <unistd.h>
+#include <sys/lx_thunk.h>
+
+
+/*
+ * Private nametoaddr library interfaces.
+ */
+static int
+netconfig_is_ipv4(struct netconfig *config)
+{
+	int i;
+	/*
+	 * If we look at the rpc services registered on a Linux system
+	 * (this can be done via rpcinfo(1M)) for both on the loopback
+	 * interface and on any remote interfaces we only see services
+	 * registered for tcp and udp.  So here we'll limit our support
+	 * to these transports.
+	 */
+	char *ipv4_netids[] = {
+		"tcp",
+		"udp",
+		NULL
+	};
+
+	for (i = 0; ipv4_netids[i] != NULL; i++) {
+		if (strcmp(ipv4_netids[i], config->nc_netid) == 0)
+			return (1);
+	}
+	return (0);
+}
+
+/*
+ * Public nametoaddr library interfaces.
+ *
+ * These are the functional entry points that libnsl will lookup (via
+ * the symbol names) when it loads this nametoaddr translation library.
+ */
+
+/*
+ * _netdir_getbyname() returns all of the addresses for
+ * a specified host and service.
+ */
+struct nd_addrlist *
+_netdir_getbyname(struct netconfig *netconfigp,
+    struct nd_hostserv *nd_hostservp)
+{
+	struct nd_addrlist	*rp = NULL;
+	struct netbuf		*nbp = NULL;
+	struct sockaddr_in	*sap = NULL;
+	struct hostent		n2h_result;
+	struct servent		n2s_result;
+	char			*n2h_buf = NULL, *n2s_buf = NULL;
+	int			h_errno, i, host_self = 0, r_count;
+	int			n2h_count = 0, n2s_count = 0;
+
+	lxt_debug("_netdir_getbyname: request recieved\n");
+
+	/* Make sure this is an ipv4 request. */
+	if (!netconfig_is_ipv4(netconfigp)) {
+		_nderror = ND_BADARG;
+		goto fail;
+	}
+
+	/* Allocate memory for the queries. */
+	if (((n2h_buf = malloc(NSS_BUFLEN_HOSTS)) == NULL) ||
+	    ((n2s_buf = malloc(NSS_BUFLEN_SERVICES)) == NULL))
+		goto malloc_fail;
+
+	/* Check if the host name specified is HOST_SELF. */
+	if (strcmp(nd_hostservp->h_host, HOST_SELF) == 0)
+		host_self = 1;
+
+	/*
+	 * If the hostname specified is HOST_SELF, the we're just
+	 * just doing a service lookup so don't bother with trying
+	 * to lookup the host name.
+	 */
+	if (!host_self) {
+		/* Resolve the hostname. */
+		lxt_debug("_netdir_getbyname: "
+		    "resolving host name: %s\n", nd_hostservp->h_host);
+		if (lxt_gethostbyname_r(nd_hostservp->h_host, &n2h_result,
+		    n2h_buf, NSS_BUFLEN_HOSTS, &h_errno) == NULL) {
+			if (errno == ERANGE) {
+				_nderror = ND_SYSTEM;
+			} else if (h_errno == HOST_NOT_FOUND) {
+				_nderror = ND_NOHOST;
+			} else if (h_errno == TRY_AGAIN) {
+				_nderror = ND_TRY_AGAIN;
+			} else if (h_errno == NO_RECOVERY) {
+				_nderror = ND_NO_RECOVERY;
+			} else if (h_errno == NO_DATA) {
+				_nderror = ND_NO_DATA;
+			} else {
+				_nderror = ND_SYSTEM;
+			}
+			goto fail;
+		}
+		while (n2h_result.h_addr_list[n2h_count++] != NULL);
+		n2h_count--;
+	}
+
+	if (nd_hostservp->h_serv != NULL) {
+		/* Resolve the service name */
+		lxt_debug("_netdir_getbyname: "
+		    "resolving service name: %s\n", nd_hostservp->h_serv);
+		if (lxt_getservbyname_r(nd_hostservp->h_serv,
+		    netconfigp->nc_proto, &n2s_result,
+		    n2s_buf, NSS_BUFLEN_SERVICES) == NULL) {
+			_nderror = ND_SYSTEM;
+			goto fail;
+		}
+		n2s_count = 1;
+	}
+
+	/* Make sure we got some results. */
+	if ((n2h_count + n2s_count) == 0) {
+		lxt_debug("_netdir_getbyname: no results!\n");
+		goto exit;
+	}
+	r_count = (n2h_count != 0) ? n2h_count : 1;
+
+	/*
+	 * Allocate the return buffers.  These buffers will be free'd
+	 * by libnsl`netdir_free(), so we need to allocate them in the
+	 * way that libnsl`netdir_free() expects.
+	 */
+	if (((rp = calloc(1, sizeof (struct nd_addrlist))) == NULL) ||
+	    ((nbp = calloc(1, sizeof (struct netbuf) * r_count)) == NULL) ||
+	    ((sap = calloc(1, sizeof (struct sockaddr_in) * r_count)) == NULL))
+		goto malloc_fail;
+
+	/* Initialize the structures we're going to return. */
+	rp->n_cnt = r_count;
+	rp->n_addrs = nbp;
+	for (i = 0; i < r_count; i++) {
+
+		/* Initialize the netbuf. */
+		nbp[i].maxlen = nbp[i].len = sizeof (struct sockaddr_in);
+		nbp[i].buf = (char *)&sap[i];
+
+		/* Initialize the sockaddr_in. */
+		sap[i].sin_family = AF_INET;
+
+		/* If we looked up any host address copy them out. */
+		if (!host_self)
+			bcopy(n2h_result.h_addr_list[i], &sap[i].sin_addr,
+			    sizeof (sap[i].sin_addr));
+
+		/* If we looked up any service ports copy them out. */
+		if (nd_hostservp->h_serv != NULL)
+			sap[i].sin_port = n2s_result.s_port;
+	}
+
+	/* We're finally done. */
+	lxt_debug("_netdir_getbyname: success\n");
+	return (rp);
+
+malloc_fail:
+	_nderror = ND_NOMEM;
+
+fail:
+	lxt_debug("_netdir_getbyname: failed!\n");
+
+exit:
+	if (n2h_buf == NULL)
+		free(n2h_buf);
+	if (n2s_buf == NULL)
+		free(n2s_buf);
+	if (rp == NULL)
+		free(rp);
+	if (nbp == NULL)
+		free(nbp);
+	if (sap == NULL)
+		free(sap);
+	return (NULL);
+}
+
+/*
+ * _netdir_getbyaddr() takes an address (hopefully obtained from
+ * someone doing a _netdir_getbyname()) and returns all hosts with
+ * that address.
+ */
+struct nd_hostservlist *
+/*ARGSUSED*/
+_netdir_getbyaddr(struct netconfig *netconfigp, struct netbuf *nbp)
+{
+	struct nd_hostservlist	*rp = NULL;
+	struct nd_hostserv	*hsp = NULL;
+	struct sockaddr_in	*sap;
+	struct servent		p2s_result;
+	struct hostent		a2h_result;
+	char			*a2h_buf = NULL, *p2s_buf = NULL;
+	int			h_errno, i;
+	int			r_count = 0;
+	int			a2h_count = 0, p2s_count = 0;
+
+	lxt_debug("_netdir_getbyaddr: request recieved\n");
+
+	/* Make sure this is an ipv4 request. */
+	if (!netconfig_is_ipv4(netconfigp)) {
+		_nderror = ND_BADARG;
+		goto fail;
+	}
+
+	/*
+	 * Make sure the netbuf contains one struct sockaddr_in of
+	 * type AF_INET.
+	 */
+	if ((nbp->len != sizeof (struct sockaddr_in)) ||
+	    (nbp->len < nbp->maxlen)) {
+		_nderror = ND_BADARG;
+		goto fail;
+	}
+	/*LINTED*/
+	sap = (struct sockaddr_in *)nbp->buf;
+	if (sap->sin_family != AF_INET) {
+		_nderror = ND_BADARG;
+		goto fail;
+	}
+
+	/* Allocate memory for the queries. */
+	if (((a2h_buf = malloc(NSS_BUFLEN_HOSTS)) == NULL) ||
+	    ((p2s_buf = malloc(NSS_BUFLEN_SERVICES)) == NULL))
+		goto malloc_fail;
+
+	if (sap->sin_addr.s_addr != INADDR_ANY) {
+		lxt_debug("_netdir_getbyaddr: "
+		    "resolving host address: 0x%x\n", sap->sin_addr.s_addr);
+		if (lxt_gethostbyaddr_r((char *)&sap->sin_addr.s_addr,
+		    sizeof (sap->sin_addr.s_addr), AF_INET,
+		    &a2h_result, a2h_buf, NSS_BUFLEN_HOSTS,
+		    &h_errno) == NULL) {
+			if (errno == ERANGE) {
+				_nderror = ND_SYSTEM;
+			} else if (h_errno == HOST_NOT_FOUND) {
+				_nderror = ND_NOHOST;
+			} else if (h_errno == TRY_AGAIN) {
+				_nderror = ND_TRY_AGAIN;
+			} else if (h_errno == NO_RECOVERY) {
+				_nderror = ND_NO_RECOVERY;
+			} else if (h_errno == NO_DATA) {
+				_nderror = ND_NO_DATA;
+			} else {
+				_nderror = ND_SYSTEM;
+			}
+			goto fail;
+		}
+		while (a2h_result.h_aliases[a2h_count++] != NULL);
+		/*
+		 * We need to count a2h_result.h_name as a valid name for
+		 * for the address we just looked up.  Of course a2h_count
+		 * is actually over estimated by one, so instead of
+		 * decrementing it here we'll just leave it as it to
+		 * account for a2h_result.h_name.
+		 */
+	}
+
+	if (sap->sin_port != 0) {
+		lxt_debug("_netdir_getbyaddr: "
+		    "resolving service port: 0x%x\n", sap->sin_port);
+		if (lxt_getservbyport_r(sap->sin_port,
+		    netconfigp->nc_proto, &p2s_result,
+		    p2s_buf, NSS_BUFLEN_SERVICES) == NULL) {
+			_nderror = ND_SYSTEM;
+			goto fail;
+		}
+		p2s_count = 1;
+	}
+
+	/* Make sure we got some results. */
+	if ((a2h_count + p2s_count) == 0) {
+		lxt_debug("_netdir_getbyaddr: no results!\n");
+		goto exit;
+	}
+	r_count = (a2h_count != 0) ? a2h_count : 1;
+
+	/*
+	 * Allocate the return buffers.  These buffers will be free'd
+	 * by libnsl`netdir_free(), so we need to allocate them in the
+	 * way that libnsl`netdir_free() expects.
+	 */
+	if (((rp = calloc(1, sizeof (struct nd_hostservlist))) == NULL) ||
+	    ((hsp = calloc(1, sizeof (struct nd_hostserv) * r_count)) == NULL))
+		goto malloc_fail;
+
+	lxt_debug("_netdir_getbyaddr: hahaha0 - %d\n", r_count);
+	rp->h_cnt = r_count;
+	rp->h_hostservs = hsp;
+	for (i = 0; i < r_count; i++) {
+		/* If we looked up any host names copy them out. */
+	lxt_debug("_netdir_getbyaddr: hahaha1 - %d\n", r_count);
+		if ((a2h_count > 0) && (i == 0) &&
+		    ((hsp[i].h_host = strdup(a2h_result.h_name)) == NULL))
+			goto malloc_fail;
+
+		if ((a2h_count > 0) && (i > 0) &&
+		    ((hsp[i].h_host =
+			    strdup(a2h_result.h_aliases[i - 1])) == NULL))
+			goto malloc_fail;
+
+	lxt_debug("_netdir_getbyaddr: hahaha2 - %d\n", r_count);
+		/* If we looked up any service names copy them out. */
+		if ((p2s_count > 0) &&
+		    ((hsp[i].h_serv = strdup(p2s_result.s_name)) == NULL))
+			goto malloc_fail;
+	lxt_debug("_netdir_getbyaddr: hahaha3 - %d\n", r_count);
+	}
+
+	/* We're finally done. */
+	lxt_debug("_netdir_getbyaddr: success\n");
+	return (rp);
+
+malloc_fail:
+	_nderror = ND_NOMEM;
+
+fail:
+	lxt_debug("_netdir_getbyaddr: failed!\n");
+
+exit:
+	if (a2h_buf == NULL)
+		free(a2h_buf);
+	if (p2s_buf == NULL)
+		free(p2s_buf);
+	if (rp == NULL)
+		free(rp);
+	if (hsp != NULL) {
+		for (i = 0; i < r_count; i++) {
+			if (hsp[i].h_host != NULL)
+				free(hsp[i].h_host);
+			if (hsp[i].h_serv != NULL)
+				free(hsp[i].h_serv);
+		}
+		free(hsp);
+	}
+	return (NULL);
+}
+
+char *
+/* ARGSUSED */
+_taddr2uaddr(struct netconfig *netconfigp, struct netbuf *nbp)
+{
+	extern char		*inet_ntoa_r();
+
+	struct sockaddr_in	*sa;
+	char			tmp[RPC_INET6_MAXUADDRSIZE];
+	unsigned short		myport;
+
+	if (netconfigp == NULL || nbp == NULL || nbp->buf == NULL) {
+		_nderror = ND_BADARG;
+		return (NULL);
+	}
+
+	if (strcmp(netconfigp->nc_protofmly, NC_INET) != 0) {
+		/* we only support inet address translation */
+		assert(0);
+		_nderror = ND_SYSTEM;
+		return (NULL);
+	}
+
+	/* LINTED pointer cast */
+	sa = (struct sockaddr_in *)(nbp->buf);
+	myport = ntohs(sa->sin_port);
+	(void) inet_ntoa_r(sa->sin_addr, tmp);
+
+	(void) sprintf(tmp + strlen(tmp), ".%d.%d",
+	    myport >> 8, myport & 255);
+	return (strdup(tmp));	/* Doesn't return static data ! */
+}
+
+/*
+ * _uaddr2taddr() translates a universal address back into a
+ * netaddr structure.  Since the universal address is a string,
+ * put that into the TLI buffer (making sure to change all \ddd
+ * characters back and strip off the trailing \0 character).
+ */
+struct netbuf *
+/* ARGSUSED */
+_uaddr2taddr(struct netconfig *netconfigp, char *uaddr)
+{
+	assert(0);
+	_nderror = ND_SYSTEM;
+	return (NULL);
+}
+
+/*
+ * _netdir_options() is a "catch-all" routine that does
+ * transport specific things.  The only thing that these
+ * routines have to worry about is ND_MERGEADDR.
+ */
+int
+/* ARGSUSED */
+_netdir_options(struct netconfig *netconfigp, int option, int fd, void *par)
+{
+	assert(0);
+	_nderror = ND_SYSTEM;
+	return (0);
+}
diff --git a/usr/src/lib/brand/lx/lx_nametoaddr/common/mapfile-vers b/usr/src/lib/brand/lx/lx_nametoaddr/common/mapfile-vers
new file mode 100644
index 0000000000..3ed165195b
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_nametoaddr/common/mapfile-vers
@@ -0,0 +1,51 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+SUNWprivate_1.1 {
+	global:
+		_netdir_getbyname;
+		_netdir_getbyaddr;
+		_taddr2uaddr;
+		_uaddr2taddr;
+		_netdir_options;
+
+	local:
+		*;
+};
diff --git a/usr/src/lib/brand/lx/lx_nametoaddr/i386/Makefile b/usr/src/lib/brand/lx/lx_nametoaddr/i386/Makefile
new file mode 100644
index 0000000000..67545e46cd
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_nametoaddr/i386/Makefile
@@ -0,0 +1,34 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include ../Makefile.com
+
+DYNFLAGS +=	$(LX_THUNK)/$(MACH)/lx_thunk.so.1
+CLOBBERFILES =	$(ROOTLIBDIR)/$(DYNLIB) $(ROOTLIBDIR)/$(LINTLIB)
+
+install: all $(ROOTLIBS)
diff --git a/usr/src/tools/ctf/dump/Makefile.com b/usr/src/lib/brand/lx/lx_support/Makefile
index 9877fa06a3..e7c958e13a 100644
--- a/usr/src/tools/ctf/dump/Makefile.com
+++ b/usr/src/lib/brand/lx/lx_support/Makefile
@@ -23,45 +23,32 @@
 # Use is subject to license terms.
 #
 
-.KEEP_STATE:
-.SUFFIXES:
-
-PROG = ctfdump
-SRCS = dump.c utils.c symbol.c
-
-include ../../Makefile.ctf
-
-LDFLAGS += -L$(NATIVE_ADJUNCT)/lib
-LDLIBS += -lelf -lz
+PROG =		lx_support
+PROGS =		$(PROG)
+OBJS =		lx_support
 
-OBJS = $(SRCS:%.c=%.o)
-LINTFILES = $(SRCS:%.c=%.ln)
+all:		$(PROG)
 
-CERRWARN += -_gcc=-Wno-uninitialized
+include ../Makefile.lx
+include $(SRC)/cmd/Makefile.cmd
 
-.NO_PARALLEL:
-.PARALLEL: $(OBJS) $(LINTFILES)
+# override the install directory
+ROOTBIN =	$(ROOTBRANDDIR)
+CLOBBERFILES =	$(OBJS) $(ROOTPROGS)
 
-all: $(PROG)
+UTSBASE =	$(SRC)/uts
 
-$(PROG): $(OBJS)
-	$(LINK.c) $(OBJS) -o $@ $(LDLIBS)
-	$(POST_PROCESS)
+CFLAGS +=	$(CCVERBOSE)
+CPPFLAGS +=	-D_REENTRANT -I$(UTSBASE)/common/brand/lx
+LDLIBS +=	-lzonecfg
 
-%.o: ../%.c
-	$(COMPILE.c) $<
-
-$(ROOTONBLDMACHPROG): $(PROG)
+.KEEP_STATE:
 
-install: $(ROOTONBLDMACHPROG)
+install:	all $(ROOTPROGS)
 
 clean:
-	$(RM) $(OBJS) $(LINTFILES)
-
-%.ln: ../%.c
-	$(LINT.c) -c $<
+		$(RM) $(PROG) $(OBJS)
 
-lint: $(LINTFILES)
-	$(LINT) $(LINTFLAGS) $(LINTFILES) $(LDLIBS)
+lint:		lint_PROG
 
-include ../../Makefile.ctf.targ
+include $(SRC)/cmd/Makefile.targ
diff --git a/usr/src/lib/brand/lx/lx_support/lx_support.c b/usr/src/lib/brand/lx/lx_support/lx_support.c
new file mode 100644
index 0000000000..d1f96defb5
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_support/lx_support.c
@@ -0,0 +1,362 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * lx_support is a small cli utility used to perform some brand-specific
+ * tasks when booting, halting, or verifying a zone.  This utility is not
+ * intended to be called by users - it is intended to be invoked by the
+ * zones utilities.
+ */
+
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <libgen.h>
+#include <limits.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <stropts.h>
+#include <sys/ioccom.h>
+#include <sys/stat.h>
+#include <sys/systeminfo.h>
+#include <sys/types.h>
+#include <sys/varargs.h>
+#include <unistd.h>
+#include <libintl.h>
+#include <locale.h>
+
+#include <libzonecfg.h>
+#include <sys/lx_brand.h>
+
+static void lxs_err(char *msg, ...) __NORETURN;
+static void usage(void) __NORETURN;
+
+#define	CP_CMD		"/usr/bin/cp"
+#define	MOUNT_CMD	"/sbin/mount"
+
+#define	KVSTRLEN		10
+
+static char *bname = NULL;
+static char *zonename = NULL;
+static char *zoneroot = NULL;
+
+#if !defined(TEXT_DOMAIN)		/* should be defined by cc -D */
+#define	TEXT_DOMAIN	"SYS_TEST"	/* Use this only if it wasn't */
+#endif
+
+static void
+lxs_err(char *msg, ...)
+{
+	char	buf[1024];
+	va_list	ap;
+
+	va_start(ap, msg);
+	/*LINTED*/
+	(void) vsnprintf(buf, sizeof (buf), msg, ap);
+	va_end(ap);
+
+	(void) printf("%s error: %s\n", bname, buf);
+
+	exit(1);
+	/*NOTREACHED*/
+}
+
+/*
+ * The Linux init(1M) command requires communication over the /dev/initctl
+ * FIFO.  Since any attempt to create a file in /dev will fail, we must
+ * create it here.
+ */
+static void
+lxs_make_initctl()
+{
+	char		cmdbuf[ARG_MAX];
+	char		path[MAXPATHLEN];
+	char		special[MAXPATHLEN];
+	struct stat	buf;
+	int		err;
+
+	if (snprintf(special, sizeof (special), "%s/dev/initctl", zoneroot) >=
+	    sizeof (special))
+		lxs_err("%s: %s", gettext("Failed to create /dev/initctl"),
+		    gettext("zoneroot is too long"));
+
+	if (snprintf(path, sizeof (path), "%s/root/dev/initctl", zoneroot) >=
+	    sizeof (path))
+		lxs_err("%s: %s", gettext("Failed to create /dev/initctl"),
+		    gettext("zoneroot is too long"));
+
+	/* create the actual fifo as <zoneroot>/dev/initctl */
+	if (stat(special, &buf) != 0) {
+		err = errno;
+		if (err != ENOENT)
+			lxs_err("%s: %s",
+			    gettext("Failed to create /dev/initctl"),
+			    strerror(err));
+		if (mkfifo(special, 0644) < 0) {
+			err = errno;
+			lxs_err("%s: %s",
+			    gettext("Failed to create /dev/initctl"),
+			    strerror(err));
+		}
+	} else {
+		if ((buf.st_mode & S_IFIFO) == 0)
+			lxs_err("%s: %s",
+			    gettext("Failed to create /dev/initctl"),
+			    gettext("It already exists, and is not a FIFO."));
+	}
+
+	/*
+	 * now lofs mount the <zoneroot>/dev/initctl fifo onto
+	 * <zoneroot>/root/dev/initctl
+	 */
+	if (snprintf(cmdbuf, sizeof (cmdbuf), "%s -F lofs %s %s", MOUNT_CMD,
+	    special, path) >= sizeof (cmdbuf))
+		lxs_err("%s: %s", gettext("Failed to lofs mount /dev/initctl"),
+		    gettext("zoneroot is too long"));
+
+	if (system(cmdbuf) < 0) {
+		err = errno;
+		lxs_err("%s: %s", gettext("Failed to lofs mount /dev/initctl"),
+		    strerror(err));
+	}
+}
+
+/*
+ * fsck gets really confused when run inside a zone.  Removing this file
+ * prevents it from running
+ */
+static void
+lxs_remove_autofsck()
+{
+	char	path[MAXPATHLEN];
+	int	err;
+
+	if (snprintf(path, MAXPATHLEN, "%s/root/.autofsck", zoneroot) >=
+	    MAXPATHLEN)
+		lxs_err("%s: %s", gettext("Failed to remove /.autofsck"),
+		    gettext("zoneroot is too long"));
+
+	if (unlink(path) < 0) {
+		err = errno;
+		if (err != ENOENT)
+			lxs_err("%s: %s",
+			    gettext("Failed to remove /.autofsck"),
+			    strerror(err));
+	}
+}
+
+/*
+ * Extract any lx-supported attributes from the zone configuration file.
+ */
+static void
+lxs_getattrs(zone_dochandle_t zdh, char **kvers)
+{
+	struct zone_attrtab	attrtab;
+	int			err;
+
+	/* initialize the attribute iterator */
+	if (zonecfg_setattrent(zdh) != Z_OK) {
+		zonecfg_fini_handle(zdh);
+		lxs_err(gettext("error accessing zone configuration"));
+	}
+
+	*kvers = (char *)malloc(KVSTRLEN);
+	if (*kvers == NULL)
+		lxs_err(gettext("out of memory"));
+
+	bzero(*kvers, KVSTRLEN);
+	while ((err = zonecfg_getattrent(zdh, &attrtab)) == Z_OK) {
+		if ((strcmp(attrtab.zone_attr_name, "kernel-version") == 0) &&
+		    (zonecfg_get_attr_string(&attrtab, *kvers,
+		    KVSTRLEN) != Z_OK))
+			lxs_err(gettext("invalid type for zone attribute: %s"),
+			    attrtab.zone_attr_name);
+	}
+
+	if (strlen(*kvers) == 0) {
+		free(*kvers);
+		*kvers = NULL;
+	}
+
+	/* some kind of error while looking up attributes */
+	if (err != Z_NO_ENTRY)
+		lxs_err(gettext("error accessing zone configuration"));
+}
+
+static int
+lxs_boot()
+{
+	zoneid_t	zoneid;
+	zone_dochandle_t zdh;
+	char		*kvers;
+
+	lxs_make_initctl();
+	lxs_remove_autofsck();
+
+	if ((zdh = zonecfg_init_handle()) == NULL)
+		lxs_err(gettext("unable to initialize zone handle"));
+
+	if (zonecfg_get_handle((char *)zonename, zdh) != Z_OK) {
+		zonecfg_fini_handle(zdh);
+		lxs_err(gettext("unable to load zone configuration"));
+	}
+
+	/* Extract any relevant attributes from the config file. */
+	lxs_getattrs(zdh, &kvers);
+	zonecfg_fini_handle(zdh);
+
+	/*
+	 * Let the kernel know whether or not this zone's init process
+	 * should be automatically restarted on its death.
+	 */
+	if ((zoneid = getzoneidbyname(zonename)) < 0)
+		lxs_err(gettext("unable to get zoneid"));
+
+	if (kvers != NULL) {
+		/* Backward compatability with incomplete version attr */
+		if (strcmp(kvers, "2.4") == 0) {
+			kvers = "2.4.21";
+		} else if (strcmp(kvers, "2.6") == 0) {
+			kvers = "2.6.18";
+		}
+
+		if (zone_setattr(zoneid, LX_KERN_VERSION_NUM, kvers,
+		    strlen(kvers)) < 0)
+			lxs_err(gettext("unable to set kernel version"));
+	}
+
+	return (0);
+}
+
+static int
+lxs_halt()
+{
+	return (0);
+}
+
+static int
+lxs_verify(char *xmlfile)
+{
+	zone_dochandle_t	handle;
+	char			*kvers;
+	char			hostidp[HW_HOSTID_LEN];
+	zone_iptype_t		iptype;
+
+	if ((handle = zonecfg_init_handle()) == NULL)
+		lxs_err(gettext("internal libzonecfg.so.1 error"), 0);
+
+	if (zonecfg_get_xml_handle(xmlfile, handle) != Z_OK) {
+		zonecfg_fini_handle(handle);
+		lxs_err(gettext("zonecfg provided an invalid XML file"));
+	}
+
+	/*
+	 * Check to see whether the zone has hostid emulation enabled.
+	 */
+	if (zonecfg_get_hostid(handle, hostidp, sizeof (hostidp)) == Z_OK) {
+		zonecfg_fini_handle(handle);
+		lxs_err(gettext("lx zones do not support hostid emulation"));
+	}
+
+	/*
+	 * Only exclusive stack is supported.
+	 */
+	if (zonecfg_get_iptype(handle, &iptype) != Z_OK ||
+	    iptype != ZS_EXCLUSIVE) {
+		zonecfg_fini_handle(handle);
+		lxs_err(gettext("lx zones do not support shared IP stacks"));
+	}
+
+	/* Extract any relevant attributes from the config file. */
+	lxs_getattrs(handle, &kvers);
+	zonecfg_fini_handle(handle);
+
+	if (kvers) {
+		if (strlen(kvers) > (LX_VERS_MAX - 1) ||
+		    (strncmp(kvers, "2.4", 3) != 0 &&
+		    strncmp(kvers, "2.6", 3) != 0 &&
+		    strncmp(kvers, "3.", 2) != 0))
+			lxs_err(gettext("invalid value for zone attribute: %s"),
+			    "kernel-version");
+	}
+	return (0);
+}
+
+static void
+usage()
+{
+
+	(void) fprintf(stderr,
+	    gettext("usage:\t%s boot <zoneroot> <zonename>\n"), bname);
+	(void) fprintf(stderr,
+	    gettext("      \t%s halt <zoneroot> <zonename>\n"), bname);
+	(void) fprintf(stderr,
+	    gettext("      \t%s verify <xml file>\n\n"), bname);
+	exit(1);
+}
+
+int
+main(int argc, char *argv[])
+{
+	(void) setlocale(LC_ALL, "");
+	(void) textdomain(TEXT_DOMAIN);
+
+	bname = basename(argv[0]);
+
+	if (argc < 3)
+		usage();
+
+	if (strcmp(argv[1], "boot") == 0) {
+		if (argc != 4)
+			lxs_err(gettext("usage: %s %s <zoneroot> <zonename>"),
+			    bname, argv[1]);
+		zoneroot = argv[2];
+		zonename = argv[3];
+		return (lxs_boot());
+	}
+
+	if (strcmp(argv[1], "halt") == 0) {
+		if (argc != 4)
+			lxs_err(gettext("usage: %s %s <zoneroot> <zonename>"),
+			    bname, argv[1]);
+		zoneroot = argv[2];
+		zonename = argv[3];
+		return (lxs_halt());
+	}
+
+	if (strcmp(argv[1], "verify") == 0) {
+		if (argc != 3)
+			lxs_err(gettext("usage: %s verify <xml file>"),
+			    bname);
+		return (lxs_verify(argv[2]));
+	}
+
+	usage();
+	/*NOTREACHED*/
+}
diff --git a/usr/src/lib/brand/lx/lx_thunk/Makefile b/usr/src/lib/brand/lx/lx_thunk/Makefile
new file mode 100644
index 0000000000..f69dcec561
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_thunk/Makefile
@@ -0,0 +1,52 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include ../../../Makefile.lib
+
+SUBDIRS = $(MACH)
+$(BUILD64)SUBDIRS += $(MACH64)
+
+LINT_SUBDIRS = $(MACH)
+$(BUILD64)LINT_SUBDIRS += $(MACH64)
+
+all :=          TARGET= all
+clean :=        TARGET= clean
+clobber :=      TARGET= clobber
+install :=      TARGET= install
+lint :=         TARGET= lint
+
+.KEEP_STATE:
+
+all install clean clobber: $(SUBDIRS)
+
+lint: $(LINT_SUBDIRS)
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
diff --git a/usr/src/lib/brand/lx/lx_thunk/Makefile.com b/usr/src/lib/brand/lx/lx_thunk/Makefile.com
new file mode 100644
index 0000000000..75629a6d61
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_thunk/Makefile.com
@@ -0,0 +1,74 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+LIBRARY	=	lx_thunk.a
+VERS =		.1
+
+COBJS =		lx_thunk.o
+OBJECTS =	$(COBJS)
+
+include ../../../../Makefile.lib
+include ../../Makefile.lx
+
+#
+# Since our name doesn't start with "lib", Makefile.lib incorrectly
+# calculates LIBNAME. Therefore, we set it here.
+#
+LIBNAME =	lx_thunk
+
+MAPFILES =	../common/mapfile-vers
+MAPOPTS =	$(MAPFILES:%=-M%)
+
+CSRCS =		$(COBJS:%o=../common/%c)
+SRCS =		$(CSRCS)
+
+SRCDIR =	../common
+UTSBASE	=	../../../../../uts
+
+ASFLAGS	+=	-P -D_ASM
+LDLIBS +=	-lc
+CFLAGS +=	$(CCVERBOSE)
+CPPFLAGS +=	-D_REENTRANT -I../ -I ../../lx_brand \
+			-I$(UTSBASE)/common/brand/lx
+
+# lx_think.so.1 interposes on a number of libc.so.1 routines.
+DYNFLAGS +=	$(MAPOPTS) $(ZINTERPOSE)
+
+LIBS =		$(DYNLIB)
+
+CLEANFILES =	$(DYNLIB)
+ROOTLIBDIR =	$(ROOT)/usr/lib/brand/lx
+ROOTLIBDIR64 =	$(ROOT)/usr/lib/brand/lx/$(MACH64)
+
+.KEEP_STATE:
+
+all: $(DYNLIB)
+
+lint: $(LINTLIB) lintcheck
+
+include ../../../../Makefile.targ
diff --git a/usr/src/lib/brand/lx/lx_thunk/amd64/Makefile b/usr/src/lib/brand/lx/lx_thunk/amd64/Makefile
new file mode 100644
index 0000000000..dbb283dff1
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_thunk/amd64/Makefile
@@ -0,0 +1,34 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include ../Makefile.com
+include $(SRC)/lib/Makefile.lib.64
+
+CLOBBERFILES	= $(ROOTLIBDIR64)/$(DYNLIB) $(ROOTLIBDIR64)/$(LINTLIB)
+
+install: all $(ROOTLIBS64)
diff --git a/usr/src/lib/brand/lx/lx_thunk/common/lx_thunk.c b/usr/src/lib/brand/lx/lx_thunk/common/lx_thunk.c
new file mode 100644
index 0000000000..c81bae913b
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_thunk/common/lx_thunk.c
@@ -0,0 +1,1115 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * The BrandZ Linux thunking library.
+ *
+ * The interfaces defined in this file form the client side of a bridge
+ * to allow native Solaris process to access Linux services.  Currently
+ * the Linux services that is made accessible by these interfaces here
+ * are:
+ *	- Linux host <-> address naming services
+ *	- Linux service <-> port naming services
+ *	- Linux syslog
+ *
+ * Currently, to use this library it must be LD_PRELOADed into the
+ * application that needs to access Linux services.  Once loaded
+ * Linux services are accessed by the client application in two
+ * different ways:
+ *
+ * - Direct library calls:
+ *	lxt_gethostbyname_r
+ *	lxt_gethostbyaddr_r
+ *	lxt_getservbyname_r
+ *	lxt_getservbyport_r
+ *	lxt_debug
+ *
+ *   These library functions are used by the BrandZ lx name services
+ *   translation library (lx_nametoaddr.so) to handle libnsl.so name
+ *   service requests.
+ *
+ * - Intercepted library calls:
+ *	openlog(3c)
+ *	syslog(3c)
+ *	vsyslog(3c)
+ *	closelog(3c)
+ *
+ *   Via the LD_PRELOAD mechanism this library interposes itself on
+ *   these interfaces and when the application calls these interfaces
+ *   (either directly or indirectly via any libraries the program may
+ *   be linked against) this library intercepts the request and passes
+ *   it onto a Linux process to handle the request.
+ *
+ * Once this library receives a request that needs to be serviced by a
+ * Linux process, it packs up that request and attempts to send it
+ * to a doors server.  The door server interfaces are defined in
+ * lx_thunk_server.h.  If the doors server is not running or not
+ * responding, this library will attempt to spawn a new doors server
+ * by forking and executing the following shell script (which runs as
+ * a native /bin/sh Linux process):
+ *	/native/usr/lib/brand/lx/lx_thunk
+ *
+ * Notes:
+ * - This library also intercepts the following system calls:
+ *	close(2) - We intercept close(2) to prevent the caller from
+ *		accidentally closing any of the file descriptors we
+ *		need to do our work.
+ *
+ *	setppriv(2) - We intercept setppriv(2) to prevent a process
+ *		from dropping any of the privileges we'll need to create
+ *		a new lx_thunk server process and to deal with service
+ *		requests.
+ *
+ * - To facilitate the running of native Solaris programs and libraries
+ *   when this library is preloaded into an application it will chroot()
+ *   into /native.  This way the Solaris application and libraries can
+ *   access files via their expected paths and we can avoid having to
+ *   either do path mapping or modifying all libraries to make them
+ *   aware of "/native" so that they can pre-pend it to all their
+ *   filesystem operations.
+ *
+ * - This library can only be used with processes that are initially
+ *   run by root in a zone.  The reason is that we use the chroot()
+ *   system call and this requires the PRIV_PROC_CHROOT privilege,
+ *   which non-root users don't have.
+ */
+
+#include <alloca.h>
+#include <assert.h>
+#include <dlfcn.h>
+#include <door.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <netdir.h>
+#include <priv.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <synch.h>
+#include <sys/brand.h>
+#include <sys/fcntl.h>
+#include <sys/lx_thunk_server.h>
+#include <sys/lx_thunk.h>
+#include <sys/mman.h>
+#include <sys/priv_impl.h>
+#include <sys/stat.h>
+#include <sys/syscall.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <thread.h>
+#include <unistd.h>
+#include <sys/varargs.h>
+
+#define	LXT_DOOR_DIR		"/tmp"
+#define	LXT_DOOR_PREFIX		"lxt"
+#define	LXT_MSG_MAXLEN		(128 + MAXPATHLEN)
+
+#pragma init(init)
+
+typedef uintptr_t (*fp1_t)(uintptr_t);
+typedef uintptr_t (*fp3_t)(uintptr_t, uintptr_t, uintptr_t);
+
+static char	*lxt_debug_path = NULL;		/* debug output file path */
+static char	lxt_debug_path_buf[MAXPATHLEN];
+static int	debug_fd = -1;
+
+void lxt_debug(const char *msg, ...);
+
+void
+init(void)
+{
+	if (getenv("LX_DEBUG") != NULL) {
+
+		/* check if there's a debug log file specified */
+		lxt_debug_path = getenv("LX_DEBUG_FILE");
+		if (lxt_debug_path == NULL) {
+			/* send all debugging output to /dev/tty */
+			lxt_debug_path = "/dev/tty";
+		}
+
+		(void) strlcpy(lxt_debug_path_buf, lxt_debug_path,
+		    sizeof (lxt_debug_path_buf));
+		lxt_debug_path = lxt_debug_path_buf;
+
+		/*
+		 * Open the debugging output file.  We need to open it
+		 * and hold it open because we're going to call chroot()
+		 * in just a second, so we won't be able to open it later.
+		 */
+		if ((debug_fd = open(lxt_debug_path,
+		    O_WRONLY|O_APPEND|O_CREAT|O_NDELAY|O_NOCTTY,
+		    0666)) != -1) {
+			(void) fchmod(debug_fd, 0666);
+		}
+	}
+	lxt_debug("lxt_init: executing native process");
+
+	/*
+	 * Now, so that we can avoid having to do path mapping,
+	 * just chdir() and chroot() into /native.
+	 */
+	if (chdir("/native") != 0) {
+		lxt_debug("lxt_init(): "
+		    "failed to chdir to /native: %s", strerror(errno));
+		exit(-1);
+	}
+	if (chroot("/native") != 0) {
+		lxt_debug("lxt_init(): "
+		    "failed to chroot to /native: %s", strerror(errno));
+		exit(-1);
+	}
+}
+
+/*
+ * Linux Thunking Interfaces - Client Side
+ */
+static mutex_t	lxt_door_lock = DEFAULTMUTEX;
+static int	lxt_door_fd = -1;
+
+static void
+lxt_server_exec(int fifo_wr, int fifo_rd)
+{
+	extern const char	**environ;
+	char 			*nullist[] = { NULL };
+
+	lxt_debug("lxt_server_exec: server starting");
+
+	/*
+	 * First we need to dup our fifos to the file descriptors
+	 * the brand library is expecting them to be at.
+	 */
+
+	/* Check if the write fifo needs to be moved aside */
+	if ((fifo_wr == LXT_SERVER_FIFO_RD_FD) &&
+	    ((fifo_wr = dup(fifo_wr)) < 0))
+		return;
+
+	/* Check if the read fifo needs to be moved aside */
+	if ((fifo_rd == LXT_SERVER_FIFO_WR_FD) &&
+	    ((fifo_rd = dup(fifo_rd)) < 0))
+		return;
+
+	if ((fifo_wr != LXT_SERVER_FIFO_WR_FD) &&
+	    (dup2(fifo_wr, LXT_SERVER_FIFO_WR_FD) < 0))
+		return;
+	if ((fifo_rd != LXT_SERVER_FIFO_RD_FD) &&
+	    (dup2(fifo_rd, LXT_SERVER_FIFO_RD_FD) < 0))
+		return;
+
+	/*
+	 * We're about to execute a branded Linux process.
+	 * Since we've been loaded into a native Solaris process with
+	 * LD_PRELOAD and LD_LIBRARY_PATH we should clear these
+	 * variables from the environment before calling exec.
+	 */
+	(void) unsetenv("LD_PRELOAD");
+	(void) unsetenv("LD_LIBRARY_PATH");
+
+	/*
+	 * Now we need to exec the thunk server process.  This is a
+	 * branded Linux process that will act as a doors server and
+	 * service our requests to perform native Linux operations.
+	 * Since we're currently running as a native Solaris process,
+	 * to start up the server we'll use the brand system call to
+	 * tell the kernel that the target of the exec will be a branded
+	 * process.
+	 */
+	lxt_debug("lxt_server_exec: execing as Linux process");
+	(void) syscall(SYS_brand, B_EXEC_BRAND,
+	    LXT_SERVER_BINARY, nullist, environ);
+}
+
+
+static void *
+lxt_door_waitpid(void *arg)
+{
+	pid_t	child_pid = (pid_t)(uintptr_t)arg;
+	int	stat;
+
+	(void) waitpid(child_pid, &stat, 0);
+	return (NULL);
+}
+
+static char *
+lxt_door_mkfifo()
+{
+	char	*path;
+
+	for (;;) {
+		path = tempnam(LXT_DOOR_DIR, LXT_DOOR_PREFIX);
+		if (path == NULL)
+			return (NULL);
+		if (mkfifo(path, S_IWUSR | S_IRUSR) != 0) {
+			if (errno != EEXIST) {
+				free(path);
+				return (NULL);
+			}
+			/* This file path exists, pick a new name. */
+			free(path);
+			continue;
+		}
+		/* We successfully created the fifo */
+		break;
+	}
+	return (path);
+}
+
+#define	BRK_CHROOT_DIR	"tmp/.brkchroot"
+
+static void
+breakout_chroot()
+{
+	int i;
+	struct stat sb;
+
+	if (stat(BRK_CHROOT_DIR, &sb) < 0) {
+		if (errno != ENOENT)
+			exit(-1);
+		if (mkdir(BRK_CHROOT_DIR, 0755) < 0)
+			exit(-1);
+	} else if (!S_ISDIR(sb.st_mode)) {
+		exit(-1);
+	}
+
+	if (chroot(BRK_CHROOT_DIR) < 0)
+		exit(-1);
+
+	for (i = 0; i < 32; i++)
+		chdir("..");
+
+	chroot(".");
+}
+
+static void
+lxt_door_init()
+{
+	char		*fifo1_path = NULL, *fifo2_path = NULL;
+	char		fifo1_path_native[MAXPATHLEN];
+	int		fifo1_rd = -1, fifo1_wr = -1;
+	int		fifo2_rd = -1, fifo2_wr = -1;
+	int		junk;
+	pid_t		child_pid;
+	thread_t	tid;
+
+	lxt_debug("lxt_door_init: preparint to start server");
+
+	/* Create two new fifos. */
+	if (((fifo1_path = lxt_door_mkfifo()) == NULL) ||
+	    ((fifo2_path = lxt_door_mkfifo()) == NULL))
+		goto fail;
+
+	(void) snprintf(fifo1_path_native, sizeof (fifo1_path_native),
+	    "/native%s", fifo1_path);
+
+	/*
+	 * Open both fifos for reading and writing.  We have to open
+	 * the read side of the fifo first (because the write side will
+	 * fail to open if there is no reader) and we have to use the
+	 * O_NONBLOCK flag (because the read open with hang without it).
+	 */
+	if (((fifo1_rd = open(fifo1_path, O_RDONLY | O_NONBLOCK)) < 0) ||
+	    ((fifo1_wr = open(fifo1_path, O_WRONLY)) < 0) ||
+	    ((fifo2_rd = open(fifo2_path, O_RDONLY | O_NONBLOCK)) < 0) ||
+	    ((fifo2_wr = open(fifo2_path, O_WRONLY)) < 0))
+		goto fail;
+
+	/*
+	 * Now we have to close the read side of fifo1 and fifo2 and re-open
+	 * them without the O_NONBLOCK flag.  This is because we're using
+	 * the fifos for synchronization and when we actually try to read
+	 * from them we want to block.
+	 */
+	(void) close(fifo1_rd);
+	if ((fifo1_rd = open(fifo1_path, O_RDONLY)) < 0)
+		goto fail;
+	(void) close(fifo2_rd);
+	if ((fifo2_rd = open(fifo2_path, O_RDONLY)) < 0)
+		goto fail;
+
+	/*
+	 * Once fifo2 is opened no one will ever need to open it again
+	 * so delete it now.
+	 */
+	(void) unlink(fifo2_path);
+	free(fifo2_path);
+	fifo2_path = NULL;
+
+	/* Attempt to fork and start the door server */
+	lxt_debug("lxt_door_init: starting server");
+	switch (child_pid = fork1()) {
+	case -1:
+		/* fork1() failed. */
+		goto fail;
+	case 0:
+		/* Child process - new door server. */
+		(void) close(fifo1_rd);
+		(void) close(fifo2_wr);
+
+		/* Need to chroot back to the real root directory */
+		breakout_chroot();
+
+		/* Start the server */
+		lxt_server_exec(fifo1_wr, fifo2_rd);
+		lxt_debug("lxt_server_exec: server init failed");
+		exit(-1);
+		/*NOTREACHED*/
+	}
+	/* Parent process - door client. */
+
+	/*
+	 * fifo2 is used to send the door path to the child.
+	 * (We can't simply pass it via the address space since the
+	 * child will need to exec.)  We'll write the name of the door
+	 * file to fifo2 before we close the read end of the fifo2 so
+	 * that if the child has exited for some reason we won't get
+	 * a SIGPIPE.  Note that we're reusing the name of fifo1 as
+	 * the door path.  Also note that we've pre-pended /native
+	 * to the fifo/door path.  The reason is that we're chroot'ed
+	 * to /native, but when the thunking server executes it will
+	 * be chroot'ed back to the real root directory.
+	 */
+	(void) write(fifo2_wr,
+	    fifo1_path_native, strlen(fifo1_path_native) + 1);
+	(void) close(fifo2_wr);
+	(void) close(fifo2_rd);
+
+	/*
+	 * Start up a thread that will perfom a waitpid() on the child
+	 * door server process.  We do this because if the calling
+	 * application that is using our interfaces is forking it's own
+	 * children and using wait(), then it won't expect to see our
+	 * children.  We take advantage of the fact that if there are
+	 * wait() and a waitpid() calls in progress at the same time
+	 * when a child exists,  preference will be given to any
+	 * waitpid() calls that are explicity waiting for that child.
+	 * There is of course a window of time where the child could
+	 * exit after we've forked it but before we've called waitpid()
+	 * where another wait() in this process could collect the result.
+	 * There's nothing we can really do to prevent this short of
+	 * stopping all the other threads in this process.
+	 */
+	(void) thr_create(NULL, 0,
+	    lxt_door_waitpid, (void *)(uintptr_t)child_pid, THR_DAEMON, &tid);
+
+	/*
+	 * fifo1 is used for the child process to signal us that the
+	 * door server is ready to take requests.
+	 */
+	(void) close(fifo1_wr);
+	(void) read(fifo1_rd, &junk, 1);
+	(void) close(fifo1_rd);
+
+	/* If there was a door that was open, close it now. */
+
+	if (lxt_door_fd >= 0)
+		(void) close(lxt_door_fd);
+	/*
+	 * The server should be started up by now and fattach()ed the door
+	 * server to the fifo/door path.  so if we re-open that path now we
+	 * should get a fd to the door server.
+	 */
+	lxt_door_fd = open(fifo1_path, O_RDWR);
+
+	lxt_debug("lxt_door_init: new server door = %d", lxt_door_fd);
+
+	/* We don't need the fifo/door anymore so delete it. */
+	(void) unlink(fifo1_path);
+	free(fifo1_path);
+	return;
+
+fail:
+	if (fifo1_path != NULL)
+		(void) unlink(fifo1_path);
+	if (fifo2_path != NULL)
+		(void) unlink(fifo2_path);
+	if (fifo1_rd != -1)
+		(void) close(fifo1_rd);
+	if (fifo1_wr != -1)
+		(void) close(fifo1_wr);
+	if (fifo2_rd != -1)
+		(void) close(fifo2_rd);
+	if (fifo2_wr != -1)
+		(void) close(fifo2_wr);
+}
+
+static int
+lxt_door_call(door_arg_t *door_arg, int lock_held)
+{
+	int fd;
+
+	if (!lock_held)
+		(void) mutex_lock(&lxt_door_lock);
+
+	/* Get a copy of lxt_door_fd */
+	fd = lxt_door_fd;
+
+	if (!lock_held)
+		(void) mutex_unlock(&lxt_door_lock);
+
+	if (fd == -1) {
+		lxt_debug("lxt_door_call: no door available");
+		return (-1);
+	}
+
+	if (door_call(fd, door_arg) != 0) {
+		lxt_debug("lxt_door_call: call failed");
+		return (-1);
+	}
+	if (door_arg->rbuf == NULL) {
+		lxt_debug("lxt_door_call: call returned NULL");
+		return (-1);
+	}
+	return (0);
+}
+
+static int
+lxt_door_request(door_arg_t *door_arg)
+{
+	door_arg_t		door_ping;
+	lxt_server_arg_t	ping_request, *ping_result;
+	int			rv, ping_success = 0;
+
+	/* First just try the door call. */
+	lxt_debug("lxt_door_request: calling server");
+	if (lxt_door_call(door_arg, 0) == 0)
+		return (0);
+
+	/* Prepare a door server ping request. */
+	bzero(&door_ping, sizeof (door_ping));
+	bzero(&ping_request, sizeof (ping_request));
+	door_ping.data_ptr	= (char *)&ping_request;
+	door_ping.data_size	= sizeof (ping_request);
+	ping_request.lxt_sa_op = LXT_SERVER_OP_PING;
+
+	(void) mutex_lock(&lxt_door_lock);
+
+	/* Ping the doors server. */
+	lxt_debug("lxt_door_request: pinging server");
+	if (lxt_door_call(&door_ping, 1) == 0) {
+		/*LINTED*/
+		ping_result = (lxt_server_arg_t *)door_ping.rbuf;
+		ping_success = ping_result->lxt_sa_success;
+		(void) munmap(door_ping.rbuf, door_ping.rsize);
+	}
+
+	if (!ping_success) {
+		/* The server is not responding so start up a new one. */
+		lxt_door_init();
+	}
+	(void) mutex_unlock(&lxt_door_lock);
+
+	/* Retry the original request */
+	lxt_debug("lxt_door_request: calling server, retry");
+	if ((rv = lxt_door_call(door_arg, 0)) == 0)
+		return (0);
+	return (rv);
+}
+
+static struct hostent *
+lxt_gethost(int op, const char *token, int token_len, int type,
+    struct hostent *result, char *buf, int buf_len, int *h_errnop)
+{
+	door_arg_t		door_arg;
+	lxt_gethost_arg_t	*data;
+	lxt_server_arg_t	*request;
+	int			request_size, errno_tmp, i;
+
+	lxt_debug("lxt_gethost: request caught");
+
+	request_size = sizeof (*request) + sizeof (*data) +
+	    token_len + buf_len - 1;
+	if ((request = calloc(1, request_size)) == NULL) {
+		lxt_debug("lxt_gethost: calloc() failed");
+		*h_errnop = TRY_AGAIN;
+		return (NULL);
+	}
+	/*LINTED*/
+	data = (lxt_gethost_arg_t *)&request->lxt_sa_data[0];
+
+	/* Initialize the server request. */
+	request->lxt_sa_op = op;
+	data->lxt_gh_type = type;
+	data->lxt_gh_token_len = token_len;
+	data->lxt_gh_buf_len = buf_len;
+	data->lxt_gh_storage_len = token_len + token_len;
+	bcopy(token, &data->lxt_gh_storage[0], token_len);
+
+	/* Initialize door_call() arguments. */
+	bzero(&door_arg, sizeof (door_arg));
+	door_arg.data_ptr	= (char *)request;
+	door_arg.data_size	= request_size;
+
+	if (lxt_door_request(&door_arg) != 0) {
+		lxt_debug("lxt_gethost: door_call() failed");
+		/* Don't know what caused the error so clear errno. */
+		errno = 0;
+		*h_errnop = ND_SYSTEM;
+		free(request);
+		return (NULL);
+	}
+
+	free(request);
+
+	if (door_arg.rbuf == NULL) {
+		lxt_debug("lxt_gethost: door_call() returned NULL");
+		/* Don't know what caused the error so clear errno. */
+		errno = 0;
+		*h_errnop = ND_SYSTEM;
+		return (NULL);
+	}
+
+	/*LINTED*/
+	request = (lxt_server_arg_t *)door_arg.rbuf;
+	/*LINTED*/
+	data = (lxt_gethost_arg_t *)&request->lxt_sa_data[0];
+
+	/* Check if the remote procedure call failed */
+	if (!request->lxt_sa_success) {
+		lxt_debug("lxt_gethost: remote function call failed");
+		errno_tmp = request->lxt_sa_errno;
+		*h_errnop = data->lxt_gh_h_errno;
+		(void) munmap(door_arg.rbuf, door_arg.rsize);
+		errno = errno_tmp;
+		return (NULL);
+	}
+
+	/* Copy out the results and output buffer. */
+	bcopy(&data->lxt_gh_result, result, sizeof (*result));
+	bcopy(&data->lxt_gh_storage[token_len], buf, buf_len);
+	(void) munmap(door_arg.rbuf, door_arg.rsize);
+
+	/* Now go through the results and convert all offsets to pointers */
+	result->h_name = LXT_OFFSET_TO_PTR(result->h_name, buf);
+	result->h_aliases = LXT_OFFSET_TO_PTR(result->h_aliases, buf);
+	result->h_addr_list = LXT_OFFSET_TO_PTR(result->h_addr_list, buf);
+	for (i = 0; result->h_aliases[i] != NULL; i++) {
+		result->h_aliases[i] =
+		    LXT_OFFSET_TO_PTR(result->h_aliases[i], buf);
+	}
+	for (i = 0; result->h_addr_list[i] != NULL; i++) {
+		result->h_addr_list[i] =
+		    LXT_OFFSET_TO_PTR(result->h_addr_list[i], buf);
+	}
+
+	return (result);
+}
+
+static struct servent *
+lxt_getserv(int op, const char *token, const int token_len, const char *proto,
+    struct servent *result, char *buf, int buf_len)
+{
+	door_arg_t		door_arg;
+	lxt_getserv_arg_t	*data;
+	lxt_server_arg_t	*request;
+	int			request_size, errno_tmp, i;
+
+	lxt_debug("lxt_getserv: request caught");
+
+	request_size = sizeof (*request) + sizeof (*data) +
+	    token_len + buf_len - 1;
+	if ((request = calloc(1, request_size)) == NULL) {
+		lxt_debug("lxt_getserv: calloc() failed");
+		return (NULL);
+	}
+	/*LINTED*/
+	data = (lxt_getserv_arg_t *)&request->lxt_sa_data[0];
+
+	/* Initialize the server request. */
+	request->lxt_sa_op = op;
+	data->lxt_gs_token_len = token_len;
+	data->lxt_gs_buf_len = buf_len;
+	data->lxt_gs_storage_len = token_len + token_len;
+	bcopy(token, &data->lxt_gs_storage[0], token_len);
+
+	bzero(data->lxt_gs_proto, sizeof (data->lxt_gs_proto));
+	if (proto != NULL)
+		(void) strncpy(data->lxt_gs_proto, proto,
+		    sizeof (data->lxt_gs_proto));
+
+	/* Initialize door_call() arguments. */
+	bzero(&door_arg, sizeof (door_arg));
+	door_arg.data_ptr	= (char *)request;
+	door_arg.data_size	= request_size;
+
+	/* Call the doors server */
+	if (lxt_door_request(&door_arg) != 0) {
+		lxt_debug("lxt_getserv: door_call() failed");
+		/* Don't know what caused the error so clear errno */
+		errno = 0;
+		free(request);
+		return (NULL);
+	}
+	free(request);
+
+	if (door_arg.rbuf == NULL) {
+		lxt_debug("lxt_getserv: door_call() returned NULL");
+		/* Don't know what caused the error so clear errno */
+		errno = 0;
+		return (NULL);
+	}
+	/*LINTED*/
+	request = (lxt_server_arg_t *)door_arg.rbuf;
+	/*LINTED*/
+	data = (lxt_getserv_arg_t *)&request->lxt_sa_data[0];
+
+	/* Check if the remote procedure call failed */
+	if (!request->lxt_sa_success) {
+		lxt_debug("lxt_getserv: remote function call failed");
+		errno_tmp = request->lxt_sa_errno;
+		(void) munmap(door_arg.rbuf, door_arg.rsize);
+		errno = errno_tmp;
+		return (NULL);
+	}
+
+	/* Copy out the results and output buffer. */
+	bcopy(&data->lxt_gs_result, result, sizeof (*result));
+	bcopy(&data->lxt_gs_storage[token_len], buf, buf_len);
+	(void) munmap(door_arg.rbuf, door_arg.rsize);
+
+	/*
+	 * Now go through the results and convert all offsets to pointers.
+	 * See the comments in lxt_server_getserv() for why we need
+	 * to subtract 1 from each offset.
+	 */
+	result->s_name = LXT_OFFSET_TO_PTR(result->s_name, buf);
+	result->s_proto = LXT_OFFSET_TO_PTR(result->s_proto, buf);
+	result->s_aliases = LXT_OFFSET_TO_PTR(result->s_aliases, buf);
+	for (i = 0; result->s_aliases[i] != NULL; i++) {
+		result->s_aliases[i] =
+		    LXT_OFFSET_TO_PTR(result->s_aliases[i], buf);
+	}
+
+	return (result);
+}
+
+static void
+lxt_openlog(const char *ident, int logopt, int facility)
+{
+	door_arg_t		door_arg;
+	lxt_openlog_arg_t	*data;
+	lxt_server_arg_t	*request;
+	int			request_size;
+
+	request_size = sizeof (*request) + sizeof (*data);
+	if ((request = calloc(1, request_size)) == NULL) {
+		lxt_debug("lxt_openlog: calloc() failed");
+		return;
+	}
+	/*LINTED*/
+	data = (lxt_openlog_arg_t *)&request->lxt_sa_data[0];
+
+	/* Initialize the server request. */
+	request->lxt_sa_op = LXT_SERVER_OP_OPENLOG;
+	data->lxt_ol_facility = facility;
+	data->lxt_ol_logopt = logopt;
+	(void) strlcpy(data->lxt_ol_ident, ident, sizeof (data->lxt_ol_ident));
+
+	/* Initialize door_call() arguments. */
+	bzero(&door_arg, sizeof (door_arg));
+	door_arg.data_ptr	= (char *)request;
+	door_arg.data_size	= request_size;
+
+	/* Call the doors server */
+	if (lxt_door_request(&door_arg) != 0) {
+		lxt_debug("lxt_openlog: door_call() failed");
+		free(request);
+		return;
+	}
+	free(request);
+
+	if (door_arg.rbuf == NULL) {
+		lxt_debug("lxt_openlog: door_call() returned NULL");
+		return;
+	}
+
+	/*LINTED*/
+	request = (lxt_server_arg_t *)door_arg.rbuf;
+
+	/* Check if the remote procedure call failed */
+	if (!request->lxt_sa_success) {
+		lxt_debug("lxt_openlog: remote function call failed");
+	}
+	(void) munmap(door_arg.rbuf, door_arg.rsize);
+}
+
+static void
+lxt_vsyslog(int priority, const char *message, va_list va)
+{
+	door_arg_t		door_arg;
+	lxt_syslog_arg_t	*data;
+	lxt_server_arg_t	*request;
+	psinfo_t		p;
+	char			procfile[PRFNSZ], *buf = NULL, *estr;
+	int			buf_len, buf_i, estr_len, request_size, procfd;
+	int			i, key, err_count = 0, tok_count = 0;
+	int			errno_backup = errno;
+
+	/*
+	 * Here we're going to use vsnprintf() to expand the message
+	 * string passed in before we hand it off to a Linux process.
+	 * Before we can call vsnprintf() we'll need to do modify the
+	 * string to deal with certain special tokens.
+	 *
+	 * syslog() supports a special '%m' format token that expands to
+	 * the error message string associated with the current value
+	 * of errno.  Unfortunatly if we pass this token to vsnprintf()
+	 * it will choke so we need to expand that token manually here.
+	 *
+	 * We also need to expand any "%%" characters into "%%%%".
+	 * The reason is that we'll be calling vsnprintf() which will
+	 * translate "%%%%" back to "%%", which is safe to pass to the
+	 * Linux version if syslog.  If we didn't do this then vsnprintf()
+	 * would translate "%%" to "%" and then the Linux syslog would
+	 * attempt to intrepret "%" and whatever character follows it
+	 * as a printf format style token.
+	 */
+	for (key = i = 0; message[i] != '\0'; i++) {
+		if (!key && message[i] == '%') {
+			key = 1;
+			continue;
+		}
+		if (key && message[i] == '%')
+			tok_count++;
+		if (key && message[i] == 'm')
+			err_count++;
+		key = 0;
+	}
+
+	/* We found some tokens that we need to expand. */
+	if (err_count || tok_count) {
+		estr = strerror(errno_backup);
+		estr_len = strlen(estr);
+		assert(estr_len >= 2);
+
+		/* Allocate a buffer to hold the expanded string. */
+		buf_len = i + 1 +
+		    (tok_count * 2) + (err_count * (estr_len - 2));
+		if ((buf = calloc(1, buf_len)) == NULL) {
+			lxt_debug("lxt_vsyslog: calloc() failed");
+			return;
+		}
+
+		/* Finally, expand %% and %m. */
+		for (key = buf_i = i = 0; message[i] != '\0'; i++) {
+			assert(buf_i < buf_len);
+			if (!key && message[i] == '%') {
+				buf[buf_i++] = '%';
+				key = 1;
+				continue;
+			}
+			if (key && message[i] == 'm') {
+				(void) bcopy(estr, &buf[buf_i - 1], estr_len);
+				buf_i += estr_len - 1;
+			} else if (key && message[i] == '%') {
+				(void) bcopy("%%%%", &buf[buf_i - 1], 4);
+				buf_i += 4 - 1;
+			} else {
+				buf[buf_i++] = message[i];
+			}
+			key = 0;
+		}
+		assert(buf[buf_i] == '\0');
+		assert(buf_i == (buf_len - 1));
+
+		/* Use the expanded buffer as our format string. */
+		message = buf;
+	}
+
+	/* Allocate the request we're going to send to the server */
+	request_size = sizeof (*request) + sizeof (*data);
+	if ((request = calloc(1, request_size)) == NULL) {
+		lxt_debug("lxt_vsyslog: calloc() failed");
+		return;
+	}
+
+	/*LINTED*/
+	data = (lxt_syslog_arg_t *)&request->lxt_sa_data[0];
+
+	/* Initialize the server request. */
+	request->lxt_sa_op = LXT_SERVER_OP_SYSLOG;
+	data->lxt_sl_priority = priority;
+	data->lxt_sl_pid = getpid();
+	(void) vsnprintf(data->lxt_sl_message, sizeof (data->lxt_sl_message),
+	    message, va);
+
+	/* If we did token expansion then free the intermediate buffer. */
+	if (err_count || tok_count)
+		free(buf);
+
+	/* Add the current program name into the request */
+	(void) sprintf(procfile, "/proc/%u/psinfo", (int)getpid());
+	/* (void) sprintf(procfile, "/native/proc/%u/psinfo", (int)getpid()); */
+	if ((procfd = open(procfile, O_RDONLY)) >= 0) {
+		if (read(procfd, &p, sizeof (psinfo_t)) >= 0) {
+			(void) strncpy(data->lxt_sl_progname, p.pr_fname,
+			    sizeof (data->lxt_sl_progname));
+		}
+		(void) close(procfd);
+	}
+
+	/* Initialize door_call() arguments. */
+	bzero(&door_arg, sizeof (door_arg));
+	door_arg.data_ptr	= (char *)request;
+	door_arg.data_size	= request_size;
+
+	/* Call the doors server */
+	if (lxt_door_request(&door_arg) != 0) {
+		lxt_debug("lxt_vsyslog: door_call() failed");
+		free(request);
+		return;
+	}
+	free(request);
+
+	if (door_arg.rbuf == NULL) {
+		lxt_debug("lxt_vsyslog: door_call() returned NULL");
+		return;
+	}
+
+	/*LINTED*/
+	request = (lxt_server_arg_t *)door_arg.rbuf;
+
+	/* Check if the remote procedure call failed */
+	if (!request->lxt_sa_success) {
+		lxt_debug("lxt_vsyslog: remote function call failed");
+	}
+	(void) munmap(door_arg.rbuf, door_arg.rsize);
+}
+
+static void
+lxt_closelog(void)
+{
+	door_arg_t		door_arg;
+	lxt_server_arg_t	*request;
+	int			request_size;
+
+	request_size = sizeof (*request);
+	if ((request = calloc(1, request_size)) == NULL) {
+		lxt_debug("lxt_closelog: calloc() failed");
+		return;
+	}
+
+	/* Initialize the server request. */
+	request->lxt_sa_op = LXT_SERVER_OP_CLOSELOG;
+
+	/* Initialize door_call() arguments. */
+	bzero(&door_arg, sizeof (door_arg));
+	door_arg.data_ptr	= (char *)request;
+	door_arg.data_size	= request_size;
+
+	/* Call the doors server */
+	if (lxt_door_request(&door_arg) != 0) {
+		lxt_debug("lxt_closelog: door_call() failed");
+		free(request);
+		return;
+	}
+	free(request);
+
+	if (door_arg.rbuf == NULL) {
+		lxt_debug("lxt_closelog: door_call() returned NULL");
+		return;
+	}
+
+	/*LINTED*/
+	request = (lxt_server_arg_t *)door_arg.rbuf;
+
+	/* Check if the remote procedure call failed */
+	if (!request->lxt_sa_success) {
+		lxt_debug("lxt_closelog: remote function call failed");
+	}
+	(void) munmap(door_arg.rbuf, door_arg.rsize);
+}
+
+static void
+lxt_pset_keep(priv_op_t op, priv_ptype_t type, priv_set_t *pset,
+    const char *priv)
+{
+	if (priv_ismember(pset, priv) == B_TRUE) {
+		if (op == PRIV_OFF) {
+			(void) priv_delset(pset, priv);
+			lxt_debug("lxt_pset_keep: "
+			    "preventing drop of \"%s\" from \"%s\" set",
+			    priv, type);
+		}
+	} else {
+		if (op == PRIV_SET) {
+			(void) priv_addset(pset, priv);
+			lxt_debug("lxt_pset_keep: "
+			    "preventing drop of \"%s\" from \"%s\" set",
+			    priv, type);
+		}
+	}
+}
+
+/*
+ * Public interfaces - used by lx_nametoaddr
+ */
+void
+lxt_vdebug(const char *msg, va_list va)
+{
+	char		buf[LXT_MSG_MAXLEN + 1];
+	int		rv, n;
+
+	if (debug_fd == -1)
+		return;
+
+	/* Prefix the message with pid/tid. */
+	if ((n = snprintf(buf, sizeof (buf), "%u/%u: ",
+	    getpid(), thr_self())) == -1)
+		return;
+
+	/* Format the message. */
+	if (vsnprintf(&buf[n], sizeof (buf) - n, msg, va) == -1)
+		return;
+
+	/* Add a carrige return if there isn't one already. */
+	if ((buf[strlen(buf) - 1] != '\n') &&
+	    (strlcat(buf, "\n", sizeof (buf)) >= sizeof (buf)))
+		return;
+
+	/* We retry in case of EINTR */
+	do {
+		rv = write(debug_fd, buf, strlen(buf));
+	} while ((rv == -1) && (errno == EINTR));
+}
+
+void
+lxt_debug(const char *msg, ...)
+{
+	va_list		va;
+	int		errno_backup;
+
+	if (debug_fd == -1)
+		return;
+
+	errno_backup = errno;
+	va_start(va, msg);
+	lxt_vdebug(msg, va);
+	va_end(va);
+	errno = errno_backup;
+}
+
+struct hostent *
+lxt_gethostbyaddr_r(const char *addr, int addr_len, int type,
+    struct hostent *result, char *buf, int buf_len, int *h_errnop)
+{
+	lxt_debug("lxt_gethostbyaddr_r: request recieved");
+	return (lxt_gethost(LXT_SERVER_OP_ADDR2HOST,
+	    addr, addr_len, type, result, buf, buf_len, h_errnop));
+}
+
+struct hostent *
+lxt_gethostbyname_r(const char *name,
+    struct hostent *result, char *buf, int buf_len, int *h_errnop)
+{
+	lxt_debug("lxt_gethostbyname_r: request recieved");
+	return (lxt_gethost(LXT_SERVER_OP_NAME2HOST,
+	    name, strlen(name) + 1, 0, result, buf, buf_len, h_errnop));
+}
+
+struct servent *
+lxt_getservbyport_r(int port, const char *proto,
+    struct servent *result, char *buf, int buf_len)
+{
+	lxt_debug("lxt_getservbyport_r: request recieved");
+	return (lxt_getserv(LXT_SERVER_OP_PORT2SERV,
+	    (const char *)&port, sizeof (int), proto, result, buf, buf_len));
+}
+
+struct servent *
+lxt_getservbyname_r(const char *name, const char *proto,
+    struct servent *result, char *buf, int buf_len)
+{
+	lxt_debug("lxt_getservbyname_r: request recieved");
+	return (lxt_getserv(LXT_SERVER_OP_NAME2SERV,
+	    name, strlen(name) + 1, proto, result, buf, buf_len));
+}
+
+/*
+ * "Public" interfaces - used to override public existing interfaces
+ */
+int
+_setppriv(priv_op_t op, priv_ptype_t type, const priv_set_t *pset)
+{
+	static fp3_t	fp = NULL;
+	priv_set_t	*pset_new;
+	int		rv;
+
+	lxt_debug("_setppriv: request caught");
+
+	if (fp == NULL)
+		fp = (fp3_t)dlsym(RTLD_NEXT, "_setppriv");
+
+	while ((pset_new = priv_allocset()) == NULL)
+		(void) sleep(1);
+
+	priv_copyset(pset, pset_new);
+	lxt_pset_keep(op, type, pset_new, PRIV_PROC_EXEC);
+	lxt_pset_keep(op, type, pset_new, PRIV_PROC_FORK);
+	lxt_pset_keep(op, type, pset_new, PRIV_PROC_CHROOT);
+	lxt_pset_keep(op, type, pset_new, PRIV_FILE_DAC_READ);
+	lxt_pset_keep(op, type, pset_new, PRIV_FILE_DAC_WRITE);
+	lxt_pset_keep(op, type, pset_new, PRIV_FILE_DAC_SEARCH);
+
+	rv = fp(op, (uintptr_t)type, (uintptr_t)pset_new);
+	priv_freeset(pset_new);
+	return (rv);
+}
+
+void
+openlog(const char *ident, int logopt, int facility)
+{
+	lxt_debug("openlog: request caught");
+	lxt_openlog(ident, logopt, facility);
+}
+
+void
+syslog(int priority, const char *message, ...)
+{
+	va_list	va;
+
+	lxt_debug("syslog: request caught");
+	va_start(va, message);
+	lxt_vsyslog(priority, message, va);
+	va_end(va);
+}
+
+void
+vsyslog(int priority, const char *message, va_list va)
+{
+	lxt_debug("vsyslog: request caught");
+	lxt_vsyslog(priority, message, va);
+}
+
+void
+closelog(void)
+{
+	lxt_debug("closelog: request caught");
+	lxt_closelog();
+}
diff --git a/usr/src/lib/brand/lx/lx_thunk/common/mapfile-vers b/usr/src/lib/brand/lx/lx_thunk/common/mapfile-vers
new file mode 100644
index 0000000000..fc245c3360
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_thunk/common/mapfile-vers
@@ -0,0 +1,57 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+SUNWprivate_1.1 {
+	global:
+		lxt_vdebug;
+		lxt_debug;
+		lxt_gethostbyaddr_r;
+		lxt_gethostbyname_r;
+		lxt_getservbyport_r;
+		lxt_getservbyname_r;
+		_setppriv;
+		openlog;
+		syslog;
+		vsyslog;
+		closelog;
+
+	local:
+		*;
+};
diff --git a/usr/src/lib/brand/lx/lx_thunk/i386/Makefile b/usr/src/lib/brand/lx/lx_thunk/i386/Makefile
new file mode 100644
index 0000000000..c4b6c71027
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_thunk/i386/Makefile
@@ -0,0 +1,33 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include ../Makefile.com
+
+CLOBBERFILES	= $(ROOTLIBDIR)/$(DYNLIB) $(ROOTLIBDIR)/$(LINTLIB)
+
+install: all $(ROOTLIBS)
diff --git a/usr/src/lib/brand/lx/lx_thunk/sys/lx_thunk.h b/usr/src/lib/brand/lx/lx_thunk/sys/lx_thunk.h
new file mode 100644
index 0000000000..b19c91873a
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_thunk/sys/lx_thunk.h
@@ -0,0 +1,56 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_LX_THUNK_H
+#define	_LX_THUNK_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+struct hostent *lxt_gethostbyaddr_r(const char *addr, int addr_len, int type,
+    struct hostent *result, char *buf, int buf_len, int *h_errnop);
+struct hostent *lxt_gethostbyname_r(const char *name,
+    struct hostent *result, char *buf, int buf_len, int *h_errnop);
+struct servent *lxt_getservbyport_r(int port, const char *proto,
+    struct servent *result, char *buf, int buf_len);
+struct servent *lxt_getservbyname_r(const char *name, const char *proto,
+    struct servent *result, char *buf, int buf_len);
+
+void openlog(const char *ident, int logopt, int facility);
+void syslog(int priority, const char *message, ...);
+void closelog(void);
+
+void lxt_debug(const char *msg, ...);
+void lxt_vdebug(const char *msg, va_list va);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LX_THUNK_H */
diff --git a/usr/src/lib/brand/lx/lx_vdso/Makefile b/usr/src/lib/brand/lx/lx_vdso/Makefile
new file mode 100644
index 0000000000..b71a8a1aeb
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_vdso/Makefile
@@ -0,0 +1,41 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../../../Makefile.lib
+
+SUBDIRS = tools
+$(BUILD64)SUBDIRS += $(MACH64)
+
+LINT_SUBDIRS = 
+$(BUILD64)LINT_SUBDIRS += $(MACH64)
+
+all :=          TARGET= all
+clean :=        TARGET= clean
+clobber :=      TARGET= clobber
+install :=      TARGET= install
+lint :=         TARGET= lint
+
+.KEEP_STATE:
+
+all install clean clobber: $(SUBDIRS)
+
+lint: $(LINT_SUBDIRS)
+
+$(MACH64): tools
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
diff --git a/usr/src/lib/brand/lx/lx_vdso/Makefile.com b/usr/src/lib/brand/lx/lx_vdso/Makefile.com
new file mode 100644
index 0000000000..0a957790d3
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_vdso/Makefile.com
@@ -0,0 +1,78 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+LIBRARY	=	lx_vdso.a
+VERS =		.1
+
+COBJS =		lx_vdso.o
+OBJECTS =	$(COBJS)
+
+include ../../../../Makefile.lib
+include ../../Makefile.lx
+
+#
+# Since our name doesn't start with "lib", Makefile.lib incorrectly
+# calculates LIBNAME. Therefore, we set it here.
+#
+LIBNAME =	lx_vdso
+
+MAPFILES =	../common/mapfile-vers
+MAPOPTS =	$(MAPFILES:%=-M%)
+
+ASOBJS  =	lx_vdso.o
+OBJECTS =	$(ASOBJS)
+
+ASSRCS =	$(ASOBJS:%o=$(ISASRCDIR)/%s)
+SRCS =		$(ASSRCS)
+
+SRCDIR =	../common
+UTSBASE	=	../../../../../uts
+
+LIBS =		$(DYNLIB)
+DYNFLAGS +=	$(DYNFLAGS_$(CLASS))
+DYNFLAGS +=	$(MAPOPTS)
+LDLIBS +=
+ASFLAGS =	-P $(ASFLAGS_$(CURTYPE)) -D_ASM
+
+
+LIBS =		$(DYNLIB)
+
+CLEANFILES =	$(DYNLIB)
+ROOTLIBDIR =	$(ROOT)/usr/lib/brand/lx
+ROOTLIBDIR64 =	$(ROOT)/usr/lib/brand/lx/$(MACH64)
+
+VDSO_TOOL =	../tools/vdso_tool
+
+.KEEP_STATE:
+
+#
+# While $(VDSO_TOOL) performs most of the transformations required to
+# construct a correct VDSO object, we still make use of $(ELFEDIT).  To
+# remove the $(ELFEDIT) requirement would mean shouldering the burden of
+# becoming a link-editor; this dark lore is best left to the linker aliens.
+#
+all: $(LIBS)
+	$(ELFEDIT) -e "dyn:value -add VERSYM $$(elfedit \
+	    -e 'shdr:dump .SUNW_versym' $(DYNLIB) | \
+	    $(AWK) '{ if ($$1 == "sh_addr:") { print $$2 } }')" $(DYNLIB)
+	$(VDSO_TOOL) -f $(DYNLIB)
+
+lint: $(LINTLIB) lintcheck
+
+include ../../../../Makefile.targ
+
+pics/%.o: $(ISASRCDIR)/%.s
+	$(COMPILE.s) -o $@ $<
+	$(POST_PROCESS_O)
diff --git a/usr/src/lib/brand/lx/lx_vdso/amd64/Makefile b/usr/src/lib/brand/lx/lx_vdso/amd64/Makefile
new file mode 100644
index 0000000000..cdf6eaa62d
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_vdso/amd64/Makefile
@@ -0,0 +1,34 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2014 Joyent, Inc.  All rights reserved.
+#
+
+ISASRCDIR=.
+
+include ../Makefile.com
+include $(SRC)/lib/Makefile.lib.64
+
+#
+# You might ask, why aren't we overriding BUILD.SO in Makefile.com.
+# That's a sad story. The answer is that Makefile.lib.64 includes
+# Makefile.master.64 which redefines BUILD.SO, leaving us in an
+# unfortunate jumble. Therefore we have to redefine it in the
+# lower-level Makefile.
+#
+BUILD.SO =	$(LD) -o $@ $(GSHARED) $(DYNFLAGS) $(PICS) $(LDLIBS)
+
+ASSYMDEP_OBJS = lx_vdso.o
+
+CLOBBERFILES	= $(ROOTLIBDIR64)/$(DYNLIB) $(ROOTLIBDIR64)/$(LINTLIB)
+
+install: all $(ROOTLIBS64)
diff --git a/usr/src/lib/brand/lx/lx_vdso/amd64/lx_vdso.s b/usr/src/lib/brand/lx/lx_vdso/amd64/lx_vdso.s
new file mode 100644
index 0000000000..039f9b95b3
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_vdso/amd64/lx_vdso.s
@@ -0,0 +1,132 @@
+/*
+ *
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ *
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/asm_linkage.h>
+#include <sys/trap.h>
+
+/*
+ * lx vDSO emulation library
+ *
+ * This so needs to look like the correct Linux vDSO elf library. We cannot
+ * use any native symbols or link with any native libraries, particularly libc.
+ */
+
+#define	LX_SYS_gettimeofday	96
+#define	LX_SYS_time		201
+#define	LX_SYS_clock_gettime	228
+#define	LX_SYS_getcpu		309
+
+#if defined(lint)
+int
+__vdso_gettimeofday(void *tp, void *tz)
+{}
+
+time_t
+__vdso_time(void *tp)
+{}
+
+time_t
+__vdso_clock_gettime(uintptr_t id, void *tp)
+{}
+
+int
+__vdso_getcpu(void *cpu, void *np, void *cp)
+{}
+
+#else /* lint */
+
+	/*
+	 * We know the arguments are already in the correct registers (e.g. arg0
+	 * already in %rdi, arg1 already in %rsi, etc.). %rax has result of
+	 * call.
+	 */
+
+	/*
+	 * Uses fasttrap, based on lib/libc/amd64/sys/gettimeofday.s
+	 */
+	ENTRY_NP(__vdso_gettimeofday)
+	pushq	%rdi		/* pointer to timeval */
+	movl	$T_GETHRESTIME, %eax
+	int	$T_FASTTRAP
+	/*
+	 *	gethrestime trap returns seconds in %rax, nsecs in %edx
+	 *	need to convert nsecs to usecs & store into area pointed
+	 *	to by struct timeval * argument.
+	 */
+	popq	%rcx		/* pointer to timeval */
+	jrcxz	1f		/* bail if we get a null pointer */
+	movq	%rax, (%rcx)	/* store seconds into timeval ptr */
+	movl	$274877907, %eax /* divide by 1000 as impl. by gcc */
+	imull	%edx		/* See Hacker's Delight pg 162 */
+	sarl	$6, %edx	/* simplified by 0 <= nsec <= 1e9 */
+	movq	%rdx, 8(%rcx)	/* store usecs into timeval ptr + 8. */
+1:
+	xorq	%rax, %rax	/* return 0 */
+	ret
+	SET_SIZE(__vdso_gettimeofday)
+
+	/*
+	 * Uses fasttrap, based on lib/libc/amd64/sys/gettimeofday.s, but only
+	 * returns seconds. This is based on what the kernel's gtime function
+	 * will do.
+	 */
+	ENTRY_NP(__vdso_time)
+	pushq	%rdi		/* pointer to time_t */
+	movl	$T_GETHRESTIME, %eax
+	int	$T_FASTTRAP
+	/*
+	 *	gethrestime trap returns seconds in %rax
+	 *	store secs into area pointed by time_t * argument.
+	 */
+	popq	%rcx		/* pointer to time_t */
+	jrcxz	1f		/* don't save if we get a null pointer */
+	movq	%rax, (%rcx)	/* store seconds into time_t ptr */
+1:
+	ret			/* return seconds in %rax */
+	SET_SIZE(__vdso_time)
+
+	/*
+	 * Does not use fasttrap since there more work to emulate than we can
+	 * do with a fasttrap.
+	 */
+	ENTRY_NP(__vdso_clock_gettime)
+	movq $LX_SYS_clock_gettime, %rax
+	syscall
+	ret
+	SET_SIZE(__vdso_clock_gettime)
+
+	/*
+	 * Uses fasttrap.
+	 * getcpu takes 3 pointers but we only support saving the cpu ID into
+	 * the first pointer.
+	 */
+	ENTRY_NP(__vdso_getcpu)
+	pushq	%rdi		/* pointer to int */
+	movl	$T_GETLGRP, %eax
+	int	$T_FASTTRAP
+	/*
+	 *	getlgrp trap returns CPU ID in %eax
+	 *	store it into area pointed by int * argument.
+	 */
+	popq	%rcx		/* pointer to int */
+	jrcxz	1f		/* don't save if we get a null pointer */
+	movl	%eax, (%rcx)	/* store CPU ID into int ptr */
+1:
+	xorq	%rax, %rax	/* return 0 */
+	ret
+	SET_SIZE(__vdso_getcpu)
+#endif
diff --git a/usr/src/lib/brand/lx/lx_vdso/common/mapfile-vers b/usr/src/lib/brand/lx/lx_vdso/common/mapfile-vers
new file mode 100644
index 0000000000..11690ce7d6
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_vdso/common/mapfile-vers
@@ -0,0 +1,59 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+SYMBOL_VERSION LINUX_2.6 {
+    global:
+	__vdso_gettimeofday;
+	__vdso_clock_gettime;
+	__vdso_getcpu;
+	__vdso_time;
+    local:
+        *;
+};
+
+#
+# The vDSO module in GNU/Linux must only have a single PT_LOAD section.
+# Further, we should not have any data sections at all. Therefore, we go
+# through and explicitly disable several of the writeable sections that
+# might commonly show up.
+#
+LOAD_SEGMENT data {
+        disable;
+};
+
+LOAD_SEGMENT ldata {
+        disable;
+};
+
+LOAD_SEGMENT bss {
+        disable;
+};
+
diff --git a/usr/src/lib/brand/lx/lx_vdso/tools/Makefile b/usr/src/lib/brand/lx/lx_vdso/tools/Makefile
new file mode 100644
index 0000000000..7907aa67c4
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_vdso/tools/Makefile
@@ -0,0 +1,42 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+PROG =			vdso_tool
+
+include ../../../../../cmd/Makefile.cmd
+
+OBJS =			vdso_tool.o
+
+CLOBBERFILES +=		$(PROG)
+
+NATIVECC_CFLAGS +=	$(CFLAGS) $(CCVERBOSE)
+NATIVECC_LDLIBS +=	-lelf
+
+.KEEP_STATE:
+
+all: $(PROG)
+
+install: all
+
+lint:	lint_PROG
+
+clean:
+	$(RM) $(OBJS)
+
+$(PROG): $(OBJS)
+	$(NATIVECC) $(NATIVECC_CFLAGS) $(NATIVECC_LDLIBS) $(OBJS) -o $@
+	$(POST_PROCESS)
+
+include ../../../../../cmd/Makefile.targ
diff --git a/usr/src/lib/brand/lx/lx_vdso/tools/vdso_tool.c b/usr/src/lib/brand/lx/lx_vdso/tools/vdso_tool.c
new file mode 100644
index 0000000000..0e1d99f9da
--- /dev/null
+++ b/usr/src/lib/brand/lx/lx_vdso/tools/vdso_tool.c
@@ -0,0 +1,388 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * vdso_tool: a build-time tool for adjusting properties of the "lx_vdso.so.1"
+ * object we build for VDSO emulation in the LX brand.
+ *
+ * This tool ensures that the shared object contains only one loadable program
+ * header (PT_LOAD), and extends the size of that program header to induce the
+ * loading of all sections into memory.  It also sets a few attributes in the
+ * ELF header.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <strings.h>
+#include <fcntl.h>
+#include <err.h>
+#include <errno.h>
+#include <libelf.h>
+#include <gelf.h>
+
+#define	PROG	"vdso_tool"
+
+typedef enum vdso_flags {
+	VDSO_UNLINK = 0x0001,
+	VDSO_UPDATE = 0x0002
+} vdso_flags_t;
+
+typedef struct vdso {
+	int v_fd;
+	char *v_path;
+	Elf *v_elf;
+	vdso_flags_t v_flags;
+	int v_ptload_phdr;
+	Elf64_Off v_max_offset;
+} vdso_t;
+
+static int
+open_vdso(vdso_t **vp, char *path)
+{
+	vdso_t *v;
+
+	if ((v = calloc(1, sizeof (vdso_t))) == NULL ||
+	    (v->v_path = strdup(path)) == NULL) {
+		err(1, "could not allocate memory");
+	}
+	v->v_ptload_phdr = -1;
+	v->v_fd = -1;
+	*vp = v;
+
+	/*
+	 * Open shared object file.
+	 */
+	if ((v->v_fd = open(v->v_path, O_RDWR)) == -1) {
+		(void) fprintf(stderr, "could not open: %s: %s\n", v->v_path,
+		    strerror(errno));
+		return (-1);
+	}
+
+	/*
+	 * Attach libelf.
+	 */
+	if ((v->v_elf = elf_begin(v->v_fd, ELF_C_RDWR, NULL)) == NULL) {
+		(void) fprintf(stderr, "could not attach libelf: %s\n",
+		    elf_errmsg(-1));
+		return (-1);
+	}
+
+	if (elf_kind(v->v_elf) != ELF_K_ELF) {
+		(void) fprintf(stderr, "wrong elf type\n");
+		return (-1);
+	}
+
+	return (0);
+}
+
+static int
+close_vdso(vdso_t *v)
+{
+	int rval = 0;
+
+	if (v == NULL) {
+		return (0);
+	}
+
+	if (v->v_elf != NULL) {
+		/*
+		 * If we want to write to the file, do so now.
+		 */
+		if (v->v_flags & VDSO_UPDATE) {
+			if (elf_update(v->v_elf, ELF_C_WRITE) == -1) {
+				(void) fprintf(stderr, "ERROR: elf_update "
+				    "failed: %s\n", elf_errmsg(-1));
+				v->v_flags |= VDSO_UNLINK;
+				rval = -1;
+			}
+		}
+
+		/*
+		 * Close the libelf handle for this file.
+		 */
+		if (elf_end(v->v_elf) == -1) {
+			(void) fprintf(stderr, "ERROR: elf_end failed: %s\n",
+			    elf_errmsg(-1));
+			v->v_flags |= VDSO_UNLINK;
+			rval = -1;
+		}
+	}
+
+	if (v->v_fd > 0) {
+		(void) close(v->v_fd);
+	}
+
+	if (v->v_flags & VDSO_UNLINK) {
+		(void) fprintf(stderr, "unlinking file: %s\n", v->v_path);
+		if (unlink(v->v_path) != 0) {
+			(void) fprintf(stderr, "unlink failed: %s\n",
+			    strerror(errno));
+			rval = -1;
+		}
+	}
+
+	free(v->v_path);
+	free(v);
+
+	return (rval);
+}
+
+static int
+adjust_elf_ehdr(vdso_t *v)
+{
+	GElf_Ehdr ehdr;
+	boolean_t dirty = B_FALSE;
+
+	if (gelf_getehdr(v->v_elf, &ehdr) == NULL) {
+		(void) fprintf(stderr, "could not get ehdr: %s\n",
+		    elf_errmsg(-1));
+		goto errout;
+	}
+
+	if (ehdr.e_ident[EI_OSABI] != ELFOSABI_NONE) {
+		(void) fprintf(stdout, "set EI_OSABI = ELFOSABI_NONE\n");
+		ehdr.e_ident[EI_OSABI] = ELFOSABI_NONE;
+		dirty = B_TRUE;
+	}
+
+	if (ehdr.e_ident[EI_ABIVERSION] != 0) {
+		(void) fprintf(stdout, "set EI_ABIVERSION = 0\n");
+		ehdr.e_ident[EI_ABIVERSION] = 0;
+		dirty = B_TRUE;
+	}
+
+	if (dirty && gelf_update_ehdr(v->v_elf, &ehdr) == 0) {
+		(void) fprintf(stderr, "could not update ehdr: %s\n",
+		    elf_errmsg(-1));
+		goto errout;
+	}
+
+	v->v_flags |= VDSO_UPDATE;
+	return (0);
+
+errout:
+	v->v_flags |= VDSO_UNLINK;
+	return (-1);
+}
+
+static int
+find_pt_load_phdr(vdso_t *v)
+{
+	size_t nphdr, nloadable = 0;
+	int i;
+
+	if (elf_getphdrnum(v->v_elf, &nphdr) != 0) {
+		(void) fprintf(stderr, "could not get phdr count: %s\n",
+		    elf_errmsg(-1));
+		goto errout;
+	}
+	(void) fprintf(stdout, "phdr count: %d\n", nphdr);
+
+	for (i = 0; i < nphdr; i++) {
+		GElf_Phdr phdr;
+
+		if (gelf_getphdr(v->v_elf, i, &phdr) == NULL) {
+			(void) fprintf(stderr, "could not get phdr[%d] count: "
+			    "%s\n", i, elf_errmsg(-1));
+			goto errout;
+		}
+
+		if (phdr.p_type == PT_LOAD) {
+			if (nloadable++ != 0) {
+				(void) fprintf(stderr, "multiple PT_LOAD "
+				    "phdrs\n");
+				goto errout;
+			}
+
+			(void) fprintf(stdout, "PT_LOAD header is phdr[%d]\n",
+			    i);
+			v->v_ptload_phdr = i;
+
+			if (phdr.p_filesz != phdr.p_memsz) {
+				(void) fprintf(stderr, "mismatched filesz "
+				    "(%llx) and memsz (%llx)\n", phdr.p_filesz,
+				    phdr.p_memsz);
+				goto errout;
+			}
+
+			if (phdr.p_filesz == 0) {
+				(void) fprintf(stderr, "filesz was zero\n");
+				goto errout;
+			}
+		}
+	}
+
+	return (0);
+
+errout:
+	v->v_flags |= VDSO_UNLINK;
+	return (-1);
+}
+
+static int
+find_maximum_offset(vdso_t *v)
+{
+	size_t nshdr;
+	int i;
+
+	if (elf_getshdrnum(v->v_elf, &nshdr) != 0) {
+		(void) fprintf(stderr, "could not get shdr count: %s\n",
+		    elf_errmsg(-1));
+		v->v_flags |= VDSO_UNLINK;
+		return (-1);
+	}
+	(void) fprintf(stdout, "shdr count: %d\n", nshdr);
+
+	for (i = 0; i < nshdr; i++) {
+		Elf_Scn *scn = elf_getscn(v->v_elf, i);
+		GElf_Shdr shdr;
+		Elf64_Off end;
+
+		if (gelf_getshdr(scn, &shdr) == NULL) {
+			(void) fprintf(stderr, "could not get shdr[%d] "
+			    "count: %s\n", i, elf_errmsg(-1));
+			goto errout;
+		}
+
+		end = shdr.sh_offset + shdr.sh_size;
+
+		if (end > v->v_max_offset) {
+			v->v_max_offset = end;
+		}
+	}
+
+	(void) fprintf(stdout, "maximum offset: %llx\n", v->v_max_offset);
+
+	return (0);
+
+errout:
+	v->v_flags |= VDSO_UNLINK;
+	return (-1);
+}
+
+static int
+update_pt_load_size(vdso_t *v)
+{
+	GElf_Phdr phdr;
+
+	if (gelf_getphdr(v->v_elf, v->v_ptload_phdr, &phdr) == NULL) {
+		(void) fprintf(stderr, "could not get phdr[%d] count: %s\n",
+		    v->v_ptload_phdr, elf_errmsg(-1));
+		goto errout;
+	}
+
+	(void) fprintf(stdout, "PT_LOAD size is currently %llx\n",
+	    phdr.p_filesz);
+	if (phdr.p_filesz < v->v_max_offset) {
+		(void) fprintf(stdout, "extending PT_LOAD size from %llx "
+		    "to %llx\n", phdr.p_filesz, v->v_max_offset);
+
+		phdr.p_memsz = phdr.p_filesz = v->v_max_offset;
+
+		if (gelf_update_phdr(v->v_elf, v->v_ptload_phdr, &phdr) ==
+		    NULL) {
+			(void) fprintf(stderr, "could not update PT_LOAD "
+			    "phdr: %s", elf_errmsg(-1));
+			goto errout;
+		}
+
+		v->v_flags |= VDSO_UPDATE;
+	}
+
+	return (0);
+
+errout:
+	v->v_flags |= VDSO_UNLINK;
+	return (-1);
+}
+
+int
+main(int argc, char **argv)
+{
+	vdso_t *v;
+	char *filen = NULL;
+	int errflg = 0;
+	int c;
+	int status = 0;
+	boolean_t do_update = B_TRUE;
+
+	while ((c = getopt(argc, argv, ":nf:")) != -1) {
+		switch (c) {
+		case 'n':
+			do_update = B_FALSE;
+			break;
+		case 'f':
+			filen = optarg;
+			break;
+		case ':':
+			(void) fprintf(stderr, "option -%c requires an "
+			    "operand\n", optopt);
+			errflg++;
+			break;
+		case '?':
+			(void) fprintf(stderr, "unrecognised option: -%c\n",
+			    optopt);
+			errflg++;
+			break;
+		}
+	}
+
+	if (errflg != 0 || optind != argc || filen == NULL) {
+		(void) fprintf(stderr, "usage: %s -f <vdso.so>\n", PROG);
+		return (1);
+	}
+
+	(void) fprintf(stdout, "vdso file: %s\n", filen);
+
+	if (elf_version(EV_CURRENT) == EV_NONE) {
+		(void) fprintf(stderr, "libelf mismatch: %s\n", elf_errmsg(-1));
+		return (2);
+	}
+
+	status = 3;
+	if (open_vdso(&v, filen) == -1) {
+		goto out;
+	}
+
+	status++;
+	if (adjust_elf_ehdr(v) == -1) {
+		goto out;
+	}
+
+	status++;
+	if (find_pt_load_phdr(v) == -1) {
+		goto out;
+	}
+
+	status++;
+	if (find_maximum_offset(v) == -1) {
+		goto out;
+	}
+
+	status++;
+	if (do_update && update_pt_load_size(v) == -1) {
+		goto out;
+	}
+
+out:
+	status++;
+	if (close_vdso(v) == 0) {
+		status = 0;
+	}
+
+	return (status);
+}
diff --git a/usr/src/lib/brand/lx/netfiles/Makefile b/usr/src/lib/brand/lx/netfiles/Makefile
new file mode 100644
index 0000000000..47be18db0f
--- /dev/null
+++ b/usr/src/lib/brand/lx/netfiles/Makefile
@@ -0,0 +1,48 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+TXTS = etc_netconfig etc_default_nfs
+NFS_DFL = ../../../../cmd/fs.d/nfs/etc/nfs.dfl
+
+all: $(TXTS)
+
+include ../Makefile.lx
+
+lint:
+
+install: $(ROOTTXTS)
+
+clean:
+	-$(RM) etc_default_nfs
+
+clobber: clean
+	-$(RM) $(ROOTXMLDOCS) $(ROOTTXTS)
+
+etc_default_nfs: $(NFS_DFL)
+	$(RM) $@
+	$(CP) $(NFS_DFL) $@
diff --git a/usr/src/lib/brand/lx/netfiles/etc_netconfig b/usr/src/lib/brand/lx/netfiles/etc_netconfig
new file mode 100644
index 0000000000..56222abf56
--- /dev/null
+++ b/usr/src/lib/brand/lx/netfiles/etc_netconfig
@@ -0,0 +1,38 @@
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+# The "Network Configuration" File.
+#
+# Each entry is of the form:
+#
+#       <network_id> <semantics> <flags> <protofamily> <protoname> \
+#               <device> <nametoaddr_libs>
+#
+# For running solaris daemons in a linux zone we use this non-default
+# /etc/netconfig.  The reason is that all name resolution has to be
+# done linux name service interfaces.  To do this we specify a custom
+# nametoaddr library that libnsl will invoke to do name service lookups.
+#
+udp        tpi_clts      v     inet    udp    /dev/udp        lx_nametoaddr.so.1
+tcp        tpi_cots_ord  v     inet    tcp    /dev/tcp        lx_nametoaddr.so.1
diff --git a/usr/src/lib/brand/lx/testing/Makefile b/usr/src/lib/brand/lx/testing/Makefile
new file mode 100644
index 0000000000..ce5c2a47ff
--- /dev/null
+++ b/usr/src/lib/brand/lx/testing/Makefile
@@ -0,0 +1,36 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc. All rights reserved.
+#
+
+TXTS = ltp_skiplist ltp_tests
+
+all:
+
+include $(SRC)/cmd/Makefile.cmd
+include ../Makefile.lx
+
+all :=		TARGET= all
+install :=	TARGET= install
+clobber :=	TARGET= clobber
+
+install: $(ROOTTXTS)
+
+_msg:
+
+lint:
+
+clean:
+
+clobber:
+	-$(RM) $(ROOTTXTS)
diff --git a/usr/src/lib/brand/lx/testing/Readme_ltp b/usr/src/lib/brand/lx/testing/Readme_ltp
new file mode 100644
index 0000000000..d29be61e7a
--- /dev/null
+++ b/usr/src/lib/brand/lx/testing/Readme_ltp
@@ -0,0 +1,309 @@
+The Linux Test Project (LTP) provides the basis for testing the lx API
+implementation. The project webpage is at http://linux-test-project.github.io/
+and the source is available on GitHub at
+https://github.com/linux-test-project/ltp.git.
+
+LTP should be built and run from within an lx zone.
+
+To build
+--------
+As root first make sure you have the tools installed:
+    apt-get install build-essential autoconf automake git quota
+
+As a normal user:
+    git clone https://github.com/linux-test-project/ltp.git
+    cd ltp
+    make autotools
+    ./configure
+    make all
+
+As root:
+    make install
+
+The tests can be built in both a zone that has been installed with a 32-bit
+version of Linux and another zone that has been installed with a 64-bit version
+of the same release. When testing the 64-bit zone, a copy of the 32-bit build
+can be run in the 64-bit zone to ensure that 32-bit applications work
+correctly on a 64-bit install.
+
+Running the tests
+-----------------
+The LTP source tree provides detailed documentation on using the test suite, so
+this readme only give a short summary.
+
+Because many of the tests are targetted at kernel functionality which does not
+apply to Illumos, or test capabilities which are not available from within a
+zone, or test system call functionality which has not yet been completed, a
+skip list is used during the test run to bypass tests which are known to fail.
+
+The skip list lives in this directory and is delivered on the system. It is
+available from within the lx zone as /native/usr/lib/brand/lx/ltp_skiplist. As
+new functionality is completed, the skip list should be updated to remove tests
+which now work.
+
+As root:
+    cd /opt/ltp
+    /opt/ltp/runltp -f `cat /native/usr/lib/brand/lx/ltp_tests` \
+        -S /native/usr/lib/brand/lx/ltp_skiplist -p >/tmp/test.log
+
+When the test run has finished, the results will be logged in a date/time
+stamped file under /opt/ltp/results. The summary at the end of the log file
+should show "Total Failures: 0". If not, something is wrong.
+
+Running tests for development
+-----------------------------
+The source for the tests can be found under the testcases directory. The
+largest and most useful set for lx live under testcases/kernel/syscalls. 
+
+For development purposes, an individual test (or tests) can be run by listing
+them in a command file, one per line. For example, with a command file named
+~/tcmds, to run the read01 test you setup the file so it looks like this:
+    read01 read01
+
+You can run that specific test as follows:
+    /opt/ltp/runltp -f ~/tcmds -p -l ~/read.log
+
+Test status
+-----------
+This section provides a short summary of the rationale for why tests are being
+skipped.
+
+LTP groups tests into command files (i.e. syscalls, nptl, etc. provided with
+the -f option in the runltp command shown above). A complete list of the groups
+can be seen in LTP source tree under the runtest directory. Some of these
+groups are obviously not applicable when running in an lx zone. The remaining
+groups still need work before they can be run. The groups shown in the runltp
+command above are expected to work when the skip list is used. The 'syscalls'
+command file runs the majority of the actual system call tests which we are
+interested in.
+
+The following table indicates why specific subtests are being skipped. Also
+note that the following tests pass in a 64-bit lx zone, but fail in a zone
+installed with a 32-bit Linux build: mmap15, open12, openat02 and sendfile09.
+
+    Legend:
+	x = never in a zone
+	* = fails on kvm and bare metal too
+	# = emulation not implemented yet
+	- = could enable with a test zone config change
+
+- access06	wants a block device
+x acct01	enables bsd process accounting
+# add_key01
+# add_key02
+x adjtimex01
+x adjtimex02
+x bdflush01
+x cacheflush01
+x chmod03	need PRIV_SYS_CONFIG to set sticky bit on reg file
+- chmod06	needs dev
+x chmod07	need PRIV_SYS_CONFIG to set sticky bit on reg file
+- chown04	needs dev
+- chown04_16	needs dev
+# clone02
+# clone08
+- creat06	wants to mount a ro fs
+x creat07	we don't behave this way for ETXTBSY
+x creat08	sets euid to 'nobody', loses PRIV_FILE_SETID to set sgid
+# eventfd01
+# eventfd2_01
+# eventfd2_02
+# eventfd2_03
+x execve04	we don't behave this way for ETXTBSY
+# fallocate01
+# fallocate02
+# fallocate03
+x fchmod02	need PRIV_SYS_CONFIG to set sticky bit on reg file
+x fchmod03	need PRIV_SYS_CONFIG to set sticky bit on reg file
+- fchmod06	needs dev
+# fchown04	mounts
+# fchown04_16
+# fcntl06	not supported on linux
+# fcntl06_64
+# fcntl23	leases not implemented
+# fcntl23_64	"
+# fcntl24	"
+# fcntl24_64	"
+# fcntl25	"
+# fcntl25_64	"
+# fcntl26	"
+# fcntl26_64	"
+# fcntl30
+# fcntl30_64
+# fcntl31	setown/getown not impl
+# fcntl31_64
+# fork05	asm into %fs reg
+- fork09	needs a swap cap of ~9GB
+# fork13	decided not to support this
+# fork14	"
+# ftruncate04	need a mnt with mandatory locking
+# ftruncate04_64
+# getdents02	wrong errno on test 4 - perf. impact too high
+# getdents02_64
+# get_mempolicy01
+# get_robust_list01	OS-3224
+x getrusage03	we don't fill in the ru_maxrss field
+- getxattr01	need attr/xattr.h at build time
+- getxattr02
+- getxattr03
+# ioctl03	needs /dev/net/tun
+# io_cancel01	libaio stuff not done
+# io_destroy01
+# io_getevents01
+# io_setup01
+# io_submit01
+# inotify_init1_01
+# inotify_init1_02
+# inotify01
+# inotify02
+# inotify03
+# inotify04
+# inotify05
+# fanotify01	don't have fanotify
+# fanotify02
+# fanotify03
+# fanotify04
+# fanotify05
+# keyctl01	no kernel keyring support
+- lchown03	needs to mount ro fs
+- lchown03_16
+- linkat02	needs dev
+- link08	needs dev
+x mem01		crashme test which expects OOM killer to save the day
+- mkdir03	needs dev
+- mkdirat02	needs dev
+x mknod01	makes block and chr devs
+- mknod07	needs dev
+- mknodat02	needs dev
+# mmap13	expects "invalid access" to SIGBUS
+- mount01	needs dev
+- mount02	needs dev
+x mount03	mounts ext2
+- mount04	needs dev
+x mount05	mounts ext2
+x mount06	mounts ext2
+# mq_notify01
+# mq_notify02
+# mq_open01
+# mq_timedreceive01
+# mq_timedsend01
+# mq_unlink01
+x mremap01
+x mremap02
+x mremap03
+x mremap04
+x mremap05
+# msgctl12	uses MSG_STAT   
+# msgrcv07	MSG_EXCEPT subtest - not avail.
+x open01	need PRIV_SYS_CONFIG to set sticky bit on reg file
+# open02	expects NOATIME to cause err for unpriv user
+# open10	setgid on sgid subdir behavior
+x open11	makes device
+# ppoll01
+# prctl01	get/set deathsig    
+# prctl02	more deathsig
+# process_vm_readv01
+# process_vm_readv02
+# process_vm_readv03
+# process_vm_writev01
+# process_vm_writev02
+# prot_hsymlinks	/proc/sys/fs/protected_hardlinks
+x ptrace04	not supp on our arch
+# ptrace05	OS-3307
+# read02	checks errno for O_DIRECT
+# readahead01
+# readahead02
+# readdir21	dir perf. issue
+- rename11	needs dev
+- renameat01	needs dev
+- rmdir02	needs dev
+x sched_getparam01	assumes Linux SCHED_OTHER return value
+x sched_getparam02	assumes Linux SCHED_OTHER return value 
+# sched_rr_get_interval01
+# sched_rr_get_interval02
+# sched_rr_get_interval03
+x sched_setparam02	tries to set Linux policies
+x sched_setparam03	tries to set Linux policies
+# sched_getscheduler01
+# sched_getscheduler02
+x sched_setscheduler01
+x sched_setaffinity01
+x sched_getaffinity01
+# semctl01	all pass but SEM_STAT - linux specific
+# semop02	last test fails errno - expensive
+# sendfile02	OS-3296  
+# sendfile02_64	"
+# sendfile04	"
+# sendfile04_64	"
+# sendfile06	"
+# sendfile06_64	"
+# sendfile07	"
+# sendfile07_64	"
+sendmsg01	OS-3295 - tests actually pass 
+x setfsuid04	no real equiv. and only for NFS server
+x setfsuid04_16
+# sgetmask01	obsolete   
+# setgroups04_16	expects sig11 for certain err
+# setns01
+# setns02
+# setpgid02	all pass but one, expects pid 0 to be there
+* setregid02	fails on bare metal, expects to lookup group "nobody" which
+* setregid02_16	doesn't exist. it is "nogroup" on ubuntu at least
+# setrlimit01	all pass but one, expects to set proc limit
+# set_robust_list01	OS-3224
+x settimeofday01
+# setxattr01
+# setxattr02
+# setxattr03
+# shmget05	OS-3326
+# sighold02	fails on sig 63 OS-3307
+# signalfd01
+# signalfd4_01
+# signalfd4_02
+# sigrelse01	fails on sig 63 OS-3307
+# splice01
+# splice02
+# splice03
+# tee01
+# tee02
+# ssetmask01	obsolete
+x stime01
+x switch01
+# sync_file_range01
+# sysconf01	most pass but see OS-3305
+# sysctl01	the build compiled this out,
+# sysctl03	this syscall is basically obsolete
+# sysctl04	obsolete 
+# sysctl05
+# syslog01
+# syslog02
+# syslog03
+# syslog04
+# syslog05
+# syslog06
+# syslog07
+# syslog08
+# syslog09
+# syslog10
+# syslog11
+# syslog12
+# timerfd01
+# timerfd02
+# timerfd03
+# timerfd_create01
+# timerfd_gettime01
+# timerfd_settime01
+# unshare01
+# unshare02
+- umount01	needs dev
+- umount02	needs dev
+- umount03	needs dev
+x ustat01	obsolete call to stat FS   
+x ustat02	obsolete call to stat FS
+- utime06	needs dev
+- utimes01	needs dev
+# utimensat01	many subtests pass but see OS-3328 for the rest
+# vmsplice01
+# vmsplice02
+# perf_event_open01
+# perf_event_open02
diff --git a/usr/src/lib/brand/lx/testing/ltp_skiplist b/usr/src/lib/brand/lx/testing/ltp_skiplist
new file mode 100644
index 0000000000..ebb6834f86
--- /dev/null
+++ b/usr/src/lib/brand/lx/testing/ltp_skiplist
@@ -0,0 +1,258 @@
+# Broken tests
+poll02		# OS-3997
+
+# tests functionality not allowed in a zone
+accept4_01
+acct01
+adjtimex01
+adjtimex02
+bdflush01
+cacheflush01
+chmod03
+chmod07
+creat07
+creat08
+execve04
+fchmod02
+fchmod03
+getrusage03
+ioperm01
+ioperm02
+iopl01
+iopl02
+isofs
+mbind01
+mem01
+migrate_pages01
+migrate_pages02
+mknod01
+mlockall02
+mlockall03
+mlock02
+mmap12
+mount03
+mount05
+mount06
+modify_ldt01
+modify_ldt02
+move_pages01
+move_pages02
+move_pages03
+move_pages04
+move_pages05
+move_pages06
+move_pages07
+move_pages08
+move_pages09
+move_pages10
+move_pages11
+mremap01
+mremap02
+mremap03
+mremap04
+mremap05
+open01
+open11
+ptrace04
+quotactl01
+quotactl02
+remap_file_pages01
+remap_file_pages02
+sched_getparam01
+sched_getparam02
+sched_setscheduler01
+sched_setaffinity01
+sched_getaffinity01
+sched_setparam02
+sched_setparam03
+setfsuid04
+setfsuid04_16
+settimeofday01
+stime01
+swapoff01
+swapoff02
+swapon01
+swapon02
+swapon03        
+switch01
+ustat01
+ustat02
+
+# needs a config with a dev or mounting
+chmod06
+chown04
+chown04_16
+creat06
+fchmod06
+fchown04
+fchown04_16
+inotify03
+lchown03
+lchown03_16
+linkat02
+link08
+mkdir03
+mkdirat02
+mknod07
+mknodat02
+mount01
+mount02
+mount04
+rename11
+renameat01
+rmdir02
+umount01
+umount02
+umount03
+utime06
+utimes01
+
+# tests functionality not implemented yet
+access06
+add_key01
+add_key02
+clone02
+clone08
+crash02
+eventfd01
+eventfd2_01
+eventfd2_02
+eventfd2_03
+fallocate01
+fallocate01
+fallocate01
+fanotify01
+fanotify02
+fanotify03
+fanotify04
+fanotify05
+fcntl06
+fcntl23
+fcntl23_64
+fcntl24
+fcntl24_64
+fcntl25
+fcntl25_64
+fcntl26
+fcntl26_64
+fcntl30
+fcntl30_64
+fcntl31
+fcntl31_64     
+fork05
+fork09
+fork13
+fork14
+ftruncate04
+ftruncate04_64
+getdents02
+getdents02_64
+get_mempolicy01
+get_robust_list01
+ioctl03
+io_cancel01
+io_destroy01
+io_getevents01
+io_setup01
+io_submit01 
+keyctl01
+mmap13
+mq_notify01
+mq_notify02
+mq_open01
+mq_timedreceive01
+mq_timedsend01
+mq_unlink01
+msgctl12
+msgrcv07
+open02
+open10
+perf_event_open01
+perf_event_open02
+ppoll01
+prctl01
+prctl02
+process_vm_readv01
+process_vm_readv02
+process_vm_readv03
+process_vm_writev01
+process_vm_writev02
+prot_hsymlinks
+ptrace01		# OS-3915
+ptrace02
+ptrace05		# OS-3307
+read02
+readahead01
+readahead02
+readdir2
+readdir21
+sched_rr_get_interval01
+sched_rr_get_interval02
+sched_rr_get_interval03   
+sched_getscheduler01
+sched_getscheduler02 
+semctl01
+semop02
+sendfile02		# OS-3296
+sendfile02_64
+sendfile04
+sendfile04_64
+sendfile06
+sendfile06_64
+sendfile07
+sendfile07_64
+sendmsg01
+setgroups04_16
+setns01
+setns02
+setpgid02
+setregid02
+setregid02_16
+setrlimit01
+set_robust_list01	# OS-3224
+setxattr01
+setxattr02
+setxattr03
+sgetmask01
+shmget05		# OS-3326
+sighold02		# OS-3307
+signal_test_05
+signalfd01
+signalfd4_01
+signalfd4_02
+sigrelse01		# OS-3307
+splice01
+splice02
+splice03
+ssetmask01
+sync_file_range01
+sysconf01		# OS-3305
+sysctl01
+sysctl03
+sysctl04
+sysctl05
+syslog01
+syslog02
+syslog03
+syslog04
+syslog05
+syslog06
+syslog07
+syslog08
+syslog09
+syslog10
+syslog11
+syslog12
+tee01
+tee02
+timerfd01
+timerfd02
+timerfd03
+timerfd_create01
+timerfd_gettime01
+timerfd_settime01
+unshare01
+utimensat01		# OS-3328
+unshare02
+vmsplice01
+vmsplice02
diff --git a/usr/src/lib/brand/lx/testing/ltp_tests b/usr/src/lib/brand/lx/testing/ltp_tests
new file mode 100644
index 0000000000..86e9725638
--- /dev/null
+++ b/usr/src/lib/brand/lx/testing/ltp_tests
@@ -0,0 +1 @@
+syscalls,nptl,ipc,pipes,pty,crashme,math
diff --git a/usr/src/lib/brand/lx/zone/Makefile b/usr/src/lib/brand/lx/zone/Makefile
new file mode 100644
index 0000000000..c041806168
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/Makefile
@@ -0,0 +1,75 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Copyright 2015 Joyent, Inc.  All rights reserved.
+#
+
+PROGS =	lx_install lx_init_zone lx_boot
+PROGS += lx_init_zone_debian lx_init_zone_redhat lx_init_zone_ubuntu
+PROGS += lx_networking lx_boot_zone_redhat lx_boot_zone_ubuntu
+PROGS += lx_boot_zone_debian
+SUBDIRS = distros
+XMLDOCS =	config.xml platform.xml
+TEMPLATES =	SUNWlx.xml SUNWlx26.xml
+
+all:	$(PROGS)
+
+include $(SRC)/cmd/Makefile.cmd
+include ../Makefile.lx
+
+all :=		TARGET= all
+install :=	TARGET= install
+clobber :=	TARGET= clobber
+
+POFILES=	$(PROGS:%=%.po)
+POFILE=		lx_zone.po
+
+$(POFILE): $(POFILES)
+	$(RM) $@
+	$(BUILDPO.pofiles)
+
+_msg: $(MSGDOMAINPOFILE)
+
+install: $(PROGS) $(ROOTXMLDOCS) $(ROOTTEMPLATES) $(ROOTPROGS) $(SUBDIRS)
+	mkdir -p $(ROOT)/usr/lib/brand/lx/ld/64
+	crle -c $(ROOT)/usr/lib/brand/lx/ld/ld.config \
+		-l /native/lib:/native/usr/lib \
+		-s /native/lib/secure:/native/usr/lib/secure
+	crle -64 -c $(ROOT)/usr/lib/brand/lx/ld/64/ld.config \
+		-l /native/lib/64:/native/usr/lib/64 \
+		-s /native/lib/secure/64:/native/usr/lib/secure/64
+
+lint:
+
+clean:
+	-$(RM) $(PROGS)
+
+clobber: clean $(SUBDIRS)
+	-$(RM) $(ROOTXMLDOCS) $(ROOTPROGS) $(ROOTTEMPLATES)
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
+
+include $(SRC)/Makefile.msg.targ
diff --git a/usr/src/lib/brand/lx/zone/SUNWlx.xml b/usr/src/lib/brand/lx/zone/SUNWlx.xml
new file mode 100644
index 0000000000..04c38873de
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/SUNWlx.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0"?>
+
+<!--
+ Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ Use is subject to license terms.
+
+ CDDL HEADER START
+
+ The contents of this file are subject to the terms of the
+ Common Development and Distribution License (the "License").
+ You may not use this file except in compliance with the License.
+
+ You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ or http://www.opensolaris.org/os/licensing.
+ See the License for the specific language governing permissions
+ and limitations under the License.
+
+ When distributing Covered Code, include this CDDL HEADER in each
+ file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ If applicable, add the following below this CDDL HEADER, with the
+ fields enclosed by brackets "[]" replaced with your own identifying
+ information: Portions Copyright [yyyy] [name of copyright owner]
+
+ CDDL HEADER END
+
+    ident	"%Z%%M%	%I%	%E% SMI"
+
+    DO NOT EDIT THIS FILE.  Use zonecfg(1M) instead.
+-->
+
+<!DOCTYPE zone PUBLIC "-//Sun Microsystems Inc//DTD Zones//EN" "file:///usr/share/lib/xml/dtd/zonecfg.dtd.1">
+
+<zone name="default" zonepath="" autoboot="false" brand="lx">
+</zone>
diff --git a/usr/src/lib/brand/lx/zone/SUNWlx26.xml b/usr/src/lib/brand/lx/zone/SUNWlx26.xml
new file mode 100644
index 0000000000..9bd8af4d92
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/SUNWlx26.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0"?>
+
+<!--
+ Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ Use is subject to license terms.
+
+ CDDL HEADER START
+
+ The contents of this file are subject to the terms of the
+ Common Development and Distribution License (the "License").
+ You may not use this file except in compliance with the License.
+
+ You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ or http://www.opensolaris.org/os/licensing.
+ See the License for the specific language governing permissions
+ and limitations under the License.
+
+ When distributing Covered Code, include this CDDL HEADER in each
+ file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ If applicable, add the following below this CDDL HEADER, with the
+ fields enclosed by brackets "[]" replaced with your own identifying
+ information: Portions Copyright [yyyy] [name of copyright owner]
+
+ CDDL HEADER END
+
+    ident	"%Z%%M%	%I%	%E% SMI"
+
+    DO NOT EDIT THIS FILE.  Use zonecfg(1M) instead.
+-->
+
+<!DOCTYPE zone PUBLIC "-//Sun Microsystems Inc//DTD Zones//EN" "file:///usr/share/lib/xml/dtd/zonecfg.dtd.1">
+
+<zone name="default" zonepath="" autoboot="false" brand="lx">
+  <attr name="kernel-version" type="string" value="2.6"/>
+</zone>
diff --git a/usr/src/lib/brand/lx/zone/config.xml b/usr/src/lib/brand/lx/zone/config.xml
new file mode 100644
index 0000000000..67cd0d062d
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/config.xml
@@ -0,0 +1,105 @@
+<?xml version="1.0"?>
+
+<!--
+ CDDL HEADER START
+
+ The contents of this file are subject to the terms of the
+ Common Development and Distribution License (the "License").
+ You may not use this file except in compliance with the License.
+
+ You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ or http://www.opensolaris.org/os/licensing.
+ See the License for the specific language governing permissions
+ and limitations under the License.
+
+ When distributing Covered Code, include this CDDL HEADER in each
+ file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ If applicable, add the following below this CDDL HEADER, with the
+ fields enclosed by brackets "[]" replaced with your own identifying
+ information: Portions Copyright [yyyy] [name of copyright owner]
+
+ CDDL HEADER END
+
+ Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ Copyright 2015, Joyent, Inc. All rights reserved.
+
+ DO NOT EDIT THIS FILE.
+-->
+
+<!DOCTYPE brand PUBLIC "-//Sun Microsystems Inc//DTD Brands//EN"
+    "file:///usr/share/lib/xml/dtd/brand.dtd.1">
+
+<brand name="lx">
+	<modname>lx_brand</modname>
+
+	<initname>/sbin/init</initname>
+	<login_cmd>/bin/login -h zone:%Z %u</login_cmd>
+	<forcedlogin_cmd>/bin/login -h zone:%Z -f %u</forcedlogin_cmd>
+	<user_cmd>/usr/bin/getent passwd %u</user_cmd>
+
+	<install>/usr/lib/brand/lx/lx_install %z %R</install>
+	<installopts>d:hsvX</installopts>
+	<boot>/usr/lib/brand/lx/lx_boot %z %R</boot>
+	<halt>/usr/lib/brand/lx/lx_support halt %R %z</halt>
+	<verify_cfg>/usr/lib/brand/lx/lx_support verify</verify_cfg>
+	<verify_adm></verify_adm>
+	<postclone></postclone>
+	<postinstall></postinstall>
+
+	<privilege set="default" name="contract_event" />
+	<privilege set="default" name="contract_identity" />
+	<privilege set="default" name="contract_observer" />
+	<privilege set="default" name="dtrace_proc" />
+	<privilege set="default" name="dtrace_user" />
+	<privilege set="default" name="file_chown" />
+	<privilege set="default" name="file_chown_self" />
+	<privilege set="default" name="file_dac_execute" />
+	<privilege set="default" name="file_dac_read" />
+	<privilege set="default" name="file_dac_search" />
+	<privilege set="default" name="file_dac_write" />
+	<privilege set="default" name="file_owner" />
+	<privilege set="default" name="file_setid" />
+	<privilege set="default" name="ipc_dac_read" />
+	<privilege set="default" name="ipc_dac_write" />
+	<privilege set="default" name="ipc_owner" />
+	<privilege set="default" name="net_bindmlp" />
+	<privilege set="default" name="net_icmpaccess" />
+	<privilege set="default" name="net_mac_aware" />
+	<privilege set="default" name="net_privaddr" />
+	<privilege set="default" name="net_rawaccess" ip-type="exclusive" />
+	<privilege set="default" name="proc_chroot" />
+	<privilege set="default" name="sys_audit" />
+	<privilege set="default" name="proc_audit" />
+	<privilege set="default" name="proc_clock_highres" />
+	<privilege set="default" name="proc_lock_memory" />
+	<privilege set="default" name="proc_owner" />
+	<privilege set="default" name="proc_setid" />
+	<privilege set="default" name="proc_prioup" />
+	<privilege set="default" name="proc_taskid" />
+	<privilege set="default" name="sys_acct" />
+	<privilege set="default" name="sys_admin" />
+	<privilege set="default" name="sys_ip_config" ip-type="exclusive" />
+	<privilege set="default" name="sys_iptun_config" ip-type="exclusive" />
+	<privilege set="default" name="sys_mount" />
+	<privilege set="default" name="sys_nfs" />
+	<privilege set="default" name="sys_resource" />
+	<privilege set="default" name="sys_ppp_config" ip-type="exclusive" />
+
+	<privilege set="prohibited" name="dtrace_kernel" />
+	<privilege set="prohibited" name="proc_zone" />
+	<privilege set="prohibited" name="sys_config" />
+	<privilege set="prohibited" name="sys_devices" />
+	<privilege set="prohibited" name="sys_ip_config" ip-type="shared" />
+	<privilege set="prohibited" name="sys_linkdir" />
+	<privilege set="prohibited" name="sys_net_config" />
+	<privilege set="prohibited" name="sys_ppp_config" ip-type="shared" />
+	<privilege set="prohibited" name="sys_res_config" />
+	<privilege set="prohibited" name="sys_suser_compat" />
+	<privilege set="prohibited" name="xvm_control" />
+	<privilege set="prohibited" name="virt_manage" />
+
+	<privilege set="required" name="proc_exec" />
+	<privilege set="required" name="proc_fork" />
+	<privilege set="required" name="sys_ip_config" ip-type="exclusive" />
+	<privilege set="required" name="sys_mount" />
+</brand>
diff --git a/usr/src/lib/brand/lx/zone/distros/Makefile b/usr/src/lib/brand/lx/zone/distros/Makefile
new file mode 100644
index 0000000000..7b5a600c94
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/distros/Makefile
@@ -0,0 +1,50 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+include ../../Makefile.lx
+
+DISTROS =	centos35.distro centos36.distro centos37.distro \
+		centos38.distro rhel35.distro rhel36.distro rhel37.distro \
+		rhel38.distro rhel_centos_common
+
+ROOTDISTRODIR=	$(ROOTBRANDDIR)/distros
+ROOTDISTROS=	$(DISTROS:%=$(ROOTDISTRODIR)/%)
+
+$(ROOTDISTROS) :=	FILEMODE = 444
+
+$(ROOTDISTRODIR):
+	$(INS.dir)
+
+$(ROOTDISTRODIR)/%: %
+	$(INS.file)
+
+install: $(ROOTDISTROS)
+
+lint clean all:
+
+clobber:
+	-$(RM) $(ROOTDISTROS)
+
diff --git a/usr/src/lib/brand/lx/zone/distros/centos35.distro b/usr/src/lib/brand/lx/zone/distros/centos35.distro
new file mode 100644
index 0000000000..cb5c2add9f
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/distros/centos35.distro
@@ -0,0 +1,66 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+#
+# Installation information for the CentOS 3.5 distribution disc set:
+#
+#	+ Serial number (as found in the disc set's .discinfo file)
+#	+ Version Name
+#	+ Order CDs holding the distribution must be installed in
+#	+ MB of disk space required to hold a full install of the distribution
+#
+distro_serial=1118161135.08
+distro_version="3.5"
+set -A distro_cdorder 1 2 3
+
+distro_mb_required=500
+
+# Include the common_<cluster>_* definitions.
+. ${distro_dir}/rhel_centos_common
+
+# Define the CentOS 3.5 deltas from the common cluster lists
+delta_miniroot_rpms=centos-release
+delta_core_rpms="centos-yumconf centos-yumcache yum"
+delta_server_rpms=$delta_core_rpms
+delta_desktop_rpms="$delta_server_rpms \
+	mozilla \
+	mozilla-chat \
+	mozilla-dom-inspector \
+	mozilla-js-debugger \
+	mozilla-mail \
+	mozilla-nspr \
+	mozilla-nss \
+	openoffice.org-style-gnome"
+delta_developer_rpms=$delta_desktop_rpms
+delta_all_rpms=$delta_developer_rpms
+
+# Define the final cluster lists for the installer
+distro_miniroot_rpms="$common_miniroot_rpms $delta_miniroot_rpms"
+distro_core_rpms="$common_core_rpms $delta_core_rpms"
+distro_server_rpms="$common_server_rpms $delta_server_rpms"
+distro_desktop_rpms="$common_desktop_rpms $delta_desktop_rpms"
+distro_developer_rpms="$common_developer_rpms $delta_developer_rpms"
+distro_all_rpms="$common_all_rpms $delta_all_rpms"
diff --git a/usr/src/lib/brand/lx/zone/distros/centos36.distro b/usr/src/lib/brand/lx/zone/distros/centos36.distro
new file mode 100644
index 0000000000..8dbc4307ac
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/distros/centos36.distro
@@ -0,0 +1,66 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+#
+# Installation information for the CentOS 3.6 distribution disc set:
+#
+#	+ Serial number (as found in the disc set's .discinfo file)
+#	+ Version Name
+#	+ Order CDs holding the distribution must be installed in
+#	+ MB of disk space required to hold a full install of the distribution
+#
+distro_serial=1130453594.8
+distro_version="3.6"
+set -A distro_cdorder 1 2 3
+
+distro_mb_required=500
+
+# Include the common_<cluster>_* definitions.
+. ${distro_dir}/rhel_centos_common
+
+# Define the CentOS 3.6 deltas from the common cluster lists
+delta_miniroot_rpms=centos-release
+delta_core_rpms="centos-yumconf centos-yumcache yum"
+delta_server_rpms=$delta_core_rpms
+delta_desktop_rpms="$delta_server_rpms \
+	mozilla \
+	mozilla-chat \
+	mozilla-dom-inspector \
+	mozilla-js-debugger \
+	mozilla-mail \
+	mozilla-nspr \
+	mozilla-nss \
+	openoffice.org-style-gnome"
+delta_developer_rpms="$delta_desktop_rpms gd-progs"
+delta_all_rpms="$delta_developer_rpms emacs-nox"
+
+# Define the final cluster lists for the installer
+distro_miniroot_rpms="$common_miniroot_rpms $delta_miniroot_rpms"
+distro_core_rpms="$common_core_rpms $delta_core_rpms"
+distro_server_rpms="$common_server_rpms $delta_server_rpms"
+distro_desktop_rpms="$common_desktop_rpms $delta_desktop_rpms"
+distro_developer_rpms="$common_developer_rpms $delta_developer_rpms"
+distro_all_rpms="$common_all_rpms $delta_all_rpms"
diff --git a/usr/src/lib/brand/lx/zone/distros/centos37.distro b/usr/src/lib/brand/lx/zone/distros/centos37.distro
new file mode 100644
index 0000000000..f8ac5e0fb1
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/distros/centos37.distro
@@ -0,0 +1,65 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+#
+# Installation information for the CentOS 3.7 distribution disc set:
+#
+#	+ Serial number (as found in the disc set's .discinfo file)
+#	+ Version Name
+#	+ Order CDs holding the distribution must be installed in
+#	+ MB of disk space required to hold a full install of the distribution
+#
+distro_serial=1144177644.47
+distro_version="3.7"
+set -A distro_cdorder 1 2 3
+
+distro_mb_required=500
+
+# Include the common_<cluster>_* definitions.
+. ${distro_dir}/rhel_centos_common
+
+# Define the CentOS 3.7 deltas from the common cluster lists
+delta_miniroot_rpms=centos-release
+delta_core_rpms="centos-yumconf centos-yumcache yum"
+delta_server_rpms="$delta_core_rpms nss_db-compat sendmail-doc qt-config"
+delta_desktop_rpms="$delta_server_rpms \
+	mozilla \
+	mozilla-chat \
+	mozilla-dom-inspector \
+	mozilla-js-debugger \
+	mozilla-mail \
+	mozilla-nspr \
+	mozilla-nss"
+delta_developer_rpms="$delta_desktop_rpms gd-progs ruby-docs irb ruby-tcltk"
+delta_all_rpms="$delta_developer_rpms emacs-nox"
+
+# Define the final cluster lists for the installer
+distro_miniroot_rpms="$common_miniroot_rpms $delta_miniroot_rpms"
+distro_core_rpms="$common_core_rpms $delta_core_rpms"
+distro_server_rpms="$common_server_rpms $delta_server_rpms"
+distro_desktop_rpms="$common_desktop_rpms $delta_desktop_rpms"
+distro_developer_rpms="$common_developer_rpms $delta_developer_rpms"
+distro_all_rpms="$common_all_rpms $delta_all_rpms"
diff --git a/usr/src/lib/brand/lx/zone/distros/centos38.distro b/usr/src/lib/brand/lx/zone/distros/centos38.distro
new file mode 100644
index 0000000000..22ae2e43b2
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/distros/centos38.distro
@@ -0,0 +1,79 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+#
+# Installation information for the CentOS 3.8 distribution disc set:
+#
+#	+ Serial number (as found in the disc set's .discinfo file)
+#	+ Version Name
+#	+ Order CDs holding the distribution must be installed in
+#	+ MB of disk space required to hold a full install of the distribution
+#
+distro_serial=1155307611.42
+distro_version="3.8"
+set -A distro_cdorder 1 2 3
+
+distro_mb_required=500
+
+# Include the common_<cluster>_* definitions.
+. ${distro_dir}/rhel_centos_common
+
+# Define the CentOS 3.8 deltas from the common cluster lists
+delta_miniroot_rpms=centos-release
+delta_core_rpms="centos-yumconf centos-yumcache yum"
+delta_server_rpms="$delta_core_rpms nss_db-compat sendmail-doc qt-config"
+delta_desktop_rpms="$delta_server_rpms \
+	expectk \
+	seamonkey \
+	seamonkey-chat \
+	seamonkey-mail \
+	seamonkey-nspr \
+	seamonkey-nss \
+	tcl-html \
+	tcllib"
+delta_developer_rpms="$delta_desktop_rpms \
+	gd-progs \
+	freetype-demos \
+	freetype-utils \
+	glibc-debug \
+	irb \
+	python-docs \
+	ruby-docs \
+	ruby-tcltk \
+	seamonkey-dom-inspector \
+	seamonkey-js-debugger \
+	seamonkey-devel \
+	seamonkey-nspr-devel \
+	seamonkey-nss-devel"
+delta_all_rpms="$delta_developer_rpms emacs-nox"
+
+# Define the final cluster lists for the installer
+distro_miniroot_rpms="$common_miniroot_rpms $delta_miniroot_rpms"
+distro_core_rpms="$common_core_rpms $delta_core_rpms"
+distro_server_rpms="$common_server_rpms $delta_server_rpms"
+distro_desktop_rpms="$common_desktop_rpms $delta_desktop_rpms"
+distro_developer_rpms="$common_developer_rpms $delta_developer_rpms"
+distro_all_rpms="$common_all_rpms $delta_all_rpms"
diff --git a/usr/src/lib/brand/lx/zone/distros/rhel35.distro b/usr/src/lib/brand/lx/zone/distros/rhel35.distro
new file mode 100644
index 0000000000..0b6b23ae52
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/distros/rhel35.distro
@@ -0,0 +1,98 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+#
+# Installation information for the RHEL 3 Update 5 distribution disc set:
+#
+#	+ Serial number (as found in the disc set's .discinfo file)
+#	+ Version Name
+#	+ Order CDs holding the distribution must be installed in
+#	+ MB of disk space required to hold a full install of the distribution
+#
+distro_serial=1115874580.003298
+distro_version="Update 5"
+set -A distro_cdorder 2 3 4 1
+
+distro_mb_required=500
+
+# Include the common_<cluster>_* definitions.
+. ${distro_dir}/rhel_centos_common
+
+# Define the RHEL 3.5 deltas from the common cluster lists
+delta_miniroot_rpms=redhat-release
+delta_core_rpms=""
+delta_server_rpms=$delta_core_rpms
+delta_desktop_rpms="$delta_server_rpms \
+	mozilla \
+	mozilla-chat \
+	mozilla-dom-inspector \
+	mozilla-js-debugger \
+	mozilla-mail \
+	mozilla-nspr \
+	mozilla-nss \
+	openoffice.org-style-gnome"
+delta_developer_rpms=$delta_desktop_rpms
+delta_all_rpms="$delta_developer_rpms comps"
+
+# Define the final cluster lists for the installer
+distro_miniroot_rpms="$common_miniroot_rpms $delta_miniroot_rpms"
+distro_core_rpms="$common_core_rpms $delta_core_rpms"
+distro_server_rpms="$common_server_rpms $delta_server_rpms"
+distro_desktop_rpms="$common_desktop_rpms $delta_desktop_rpms"
+distro_developer_rpms="$common_developer_rpms $delta_developer_rpms"
+distro_all_rpms="$common_all_rpms $delta_all_rpms"
+
+#
+# List of packages missing from the "WS" personality of this distribution
+# as compared to the "AS" personality.
+#
+distro_WS_missing="amanda-server \
+	caching-nameserver \
+	finger-server \
+	freeradius \
+	inews \
+	inn \
+	krb5-server \
+	netdump-server \
+	openldap-servers \
+	pxe \
+	quagga \
+	radvd \
+	redhat-config-bind \
+	samba-swat \
+	tftp-server \
+	tux \
+	vsftpd \
+	ypserv \
+	arptables_jf \
+	mtx \
+	redhat-config-netboot"
+
+#
+# No packages are missing from the "ES" personality as compared to the "AS"
+# personality.
+#
+unset distro_ES_missing
diff --git a/usr/src/lib/brand/lx/zone/distros/rhel36.distro b/usr/src/lib/brand/lx/zone/distros/rhel36.distro
new file mode 100644
index 0000000000..51c80832ff
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/distros/rhel36.distro
@@ -0,0 +1,97 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+#
+# Installation information for the RHEL 3 Update 6 distribution disc set:
+#
+#	+ Serial number (as found in the disc set's .discinfo file)
+#	+ Version Name
+#	+ Order CDs holding the distribution must be installed in
+#	+ MB of disk space required to hold a full install of the distribution
+#
+distro_serial=1127323691.616555
+distro_version="Update 6"
+set -A distro_cdorder 2 3 4 1
+
+distro_mb_required=500
+
+# Include the common_<cluster>_* definitions.
+. ${distro_dir}/rhel_centos_common
+
+# Define the RHEL 3.6 deltas from the common cluster lists
+delta_miniroot_rpms=redhat-release
+delta_core_rpms=""
+delta_server_rpms=$delta_core_rpms
+delta_desktop_rpms="$delta_server_rpms \
+	mozilla \
+	mozilla-chat \
+	mozilla-dom-inspector \
+	mozilla-js-debugger \
+	mozilla-mail \
+	mozilla-nspr \
+	mozilla-nss \
+	openoffice.org-style-gnome"
+delta_developer_rpms="$delta_desktop_rpms gd-progs"
+delta_all_rpms="$delta_developer_rpms emacs-nox comps"
+
+# Define the final cluster lists for the installer
+distro_miniroot_rpms="$common_miniroot_rpms $delta_miniroot_rpms"
+distro_core_rpms="$common_core_rpms $delta_core_rpms"
+distro_server_rpms="$common_server_rpms $delta_server_rpms"
+distro_desktop_rpms="$common_desktop_rpms $delta_desktop_rpms"
+distro_developer_rpms="$common_developer_rpms $delta_developer_rpms"
+distro_all_rpms="$common_all_rpms $delta_all_rpms"
+
+#
+# List of packages missing from the "WS" personality of this distribution
+# as compared to the "AS" personality.
+#
+distro_WS_missing="amanda-server \
+	caching-nameserver \
+	finger-server \
+	freeradius \
+	inews \
+	inn \
+	netdump-server \
+	openldap-servers \
+	pxe \
+	quagga \
+	radvd \
+	redhat-config-bind \
+	samba-swat \
+	tftp-server \
+	tux \
+	vsftpd \
+	ypserv \
+	arptables_jf \
+	mtx \
+	redhat-config-netboot"
+
+#
+# No packages are missing from the "ES" personality as compared to the "AS"
+# personality.
+#
+unset distro_ES_missing
diff --git a/usr/src/lib/brand/lx/zone/distros/rhel37.distro b/usr/src/lib/brand/lx/zone/distros/rhel37.distro
new file mode 100644
index 0000000000..2c3b81d82b
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/distros/rhel37.distro
@@ -0,0 +1,96 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+#
+# Installation information for the RHEL 3 Update 7 distribution disc set:
+#
+#	+ Serial number (as found in the disc set's .discinfo file)
+#	+ Version Name
+#	+ Order CDs holding the distribution must be installed in
+#	+ MB of disk space required to hold a full install of the distribution
+#
+distro_serial=1141679045.364586
+distro_version="Update 7"
+set -A distro_cdorder 2 3 4 1
+
+distro_mb_required=500
+
+# Include the common_<cluster>_* definitions.
+. ${distro_dir}/rhel_centos_common
+
+# Define the RHEL 3.7 deltas from the common cluster lists
+delta_miniroot_rpms=redhat-release
+delta_core_rpms=""
+delta_server_rpms="$delta_core_rpms nss_db-compat sendmail-doc qt-config"
+delta_desktop_rpms="$delta_server_rpms \
+	mozilla \
+	mozilla-chat \
+	mozilla-dom-inspector \
+	mozilla-js-debugger \
+	mozilla-mail \
+	mozilla-nspr \
+	mozilla-nss"
+delta_developer_rpms="$delta_desktop_rpms gd-progs ruby-docs irb ruby-tcltk"
+delta_all_rpms="$delta_developer_rpms emacs-nox comps"
+
+# Define the final cluster lists for the installer
+distro_miniroot_rpms="$common_miniroot_rpms $delta_miniroot_rpms"
+distro_core_rpms="$common_core_rpms $delta_core_rpms"
+distro_server_rpms="$common_server_rpms $delta_server_rpms"
+distro_desktop_rpms="$common_desktop_rpms $delta_desktop_rpms"
+distro_developer_rpms="$common_developer_rpms $delta_developer_rpms"
+distro_all_rpms="$common_all_rpms $delta_all_rpms"
+
+#
+# List of packages missing from the "WS" personality of this distribution
+# as compared to the "AS" personality.
+#
+distro_WS_missing="amanda-server \
+	caching-nameserver \
+	finger-server \
+	freeradius \
+	inews \
+	inn \
+	netdump-server \
+	openldap-servers \
+	pxe \
+	quagga \
+	radvd \
+	redhat-config-bind \
+	samba-swat \
+	tftp-server \
+	tux \
+	vsftpd \
+	ypserv \
+	arptables_jf \
+	mtx \
+	redhat-config-netboot"
+
+#
+# No packages are missing from the "ES" personality as compared to the "AS"
+# personality.
+#
+unset distro_ES_missing
diff --git a/usr/src/lib/brand/lx/zone/distros/rhel38.distro b/usr/src/lib/brand/lx/zone/distros/rhel38.distro
new file mode 100644
index 0000000000..5255ac206a
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/distros/rhel38.distro
@@ -0,0 +1,109 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+#
+# Installation information for the RHEL 3 Update 8 distribution disc set:
+#
+#	+ Serial number (as found in the disc set's .discinfo file)
+#	+ Version Name
+#	+ Order CDs holding the distribution must be installed in
+#	+ MB of disk space required to hold a full install of the distribution
+#
+distro_serial=1152738297.776178
+distro_version="Update 8"
+set -A distro_cdorder 2 3 4 1
+
+distro_mb_required=500
+
+# Include the common_<cluster>_* definitions.
+. ${distro_dir}/rhel_centos_common
+
+# Define the RHEL 3.8 deltas from the common cluster lists
+delta_miniroot_rpms=redhat-release
+delta_core_rpms=""
+delta_server_rpms="$delta_core_rpms nss_db-compat sendmail-doc qt-config"
+delta_desktop_rpms="$delta_server_rpms \
+	seamonkey \
+	seamonkey-chat \
+	seamonkey-mail \
+	seamonkey-nspr \
+	seamonkey-nss"
+delta_developer_rpms="$delta_desktop_rpms \
+	gd-progs \
+	irb \
+	ruby-docs \
+	ruby-tcltk \
+	seamonkey-dom-inspector \
+	seamonkey-js-debugger \
+	seamonkey-devel \
+	seamonkey-nspr-devel \
+	seamonkey-nss-devel"
+delta_all_rpms="$delta_developer_rpms emacs-nox comps"
+
+# Define the final cluster lists for the installer
+distro_miniroot_rpms="$common_miniroot_rpms $delta_miniroot_rpms"
+distro_core_rpms="$common_core_rpms $delta_core_rpms"
+distro_server_rpms="$common_server_rpms $delta_server_rpms"
+distro_desktop_rpms="$common_desktop_rpms $delta_desktop_rpms"
+distro_developer_rpms="$common_developer_rpms $delta_developer_rpms"
+distro_all_rpms="$common_all_rpms $delta_all_rpms"
+
+#
+# List of packages missing from the "WS" personality of this distribution
+# as compared to the "AS" personality.
+#
+distro_WS_missing="amanda-server \
+	caching-nameserver \
+	finger-server \
+	freeradius \
+	inews \
+	inn \
+	netdump-server \
+	openldap-servers \
+	pxe \
+	quagga \
+	radvd \
+	redhat-config-bind \
+	samba-swat \
+	tftp-server \
+	tux \
+	vsftpd \
+	ypserv \
+	arptables_jf \
+	mtx \
+	redhat-config-netboot"
+
+#
+# No packages are missing from the "ES" personality as compared to the "AS"
+# personality.
+#
+unset distro_ES_missing
+
+#
+# Identify the packages that need to be set aside for installation after
+# all the other packages are installed.
+#
+deferred_rpms="openoffice.org openoffice.org-i18n openoffice.org-libs"
diff --git a/usr/src/lib/brand/lx/zone/distros/rhel_centos_common b/usr/src/lib/brand/lx/zone/distros/rhel_centos_common
new file mode 100644
index 0000000000..583264b723
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/distros/rhel_centos_common
@@ -0,0 +1,1016 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+#
+# This file contains the basic cluster contents shared by all of the
+# Linux distros we support.  Each distro has its own .distro file that
+# expands on the basic cluster lists provided here.
+#
+
+#
+# Required packages for the install miniroot, these are the minimum packages a
+# system must have installed in order to run rpm (which is then used from
+# within the zone to perform the balance of the installation.)
+#
+common_miniroot_rpms="SysVinit \
+	basesystem \
+	bash \
+	beecrypt \
+	bzip2-libs \
+	coreutils \
+	elfutils \
+	elfutils-libelf \
+	filesystem \
+	glibc \
+	glibc-common \
+	gpm \
+	initscripts \
+	iptables \
+	iptables-ipv6 \
+	kernel-utils \
+	laus-libs \
+	libacl \
+	libattr \
+	libgcc \
+	libtermcap \
+	ncurses \
+	pam \
+	popt \
+	rpm \
+	rpm-libs \
+	setup \
+	termcap \
+	zlib"
+
+#
+# This starts a listing of RPMs comprising a variety of install package options
+# for a distribution.
+#
+# The supported package clusters are:
+#
+#	+ core
+#	+ server
+#	+ desktop
+#	+ developer
+#	+ system
+#
+# The RPMs needed to install each cluster are listed in the shell variable
+#
+# 	distro_<level>_rpms
+#
+# This file provides "common_<level>_rpms", which are lists of the packages
+# in each cluster that are common to all distros. 
+#
+# The package names are listed alphabetically for readability.  rpm will
+# reorder the list to ensure that each package's dependencies are installed
+# before it is.
+#
+# Note: Since the distro_install script uses a regular expression to expand
+# RPM package names to filenames, there may be some tweaking required to
+# guarantee a unique match between a package name and a corresponding RPM
+# file on the install media.
+#
+# One such example below is the package "XFree86-4."  The official name of
+# the package is "XFree86," but the regular expression in the script
+# matches that package name to the XFree86-100dpi-fonts and
+# XFree86-75dpi-fonts package RPMs in addition to the proper XFree86 RPM.
+# Therefore the "XFree86" package name was modified to be "XFree86-4",
+# which does result in a unique package name to RPM file match.
+#
+common_core_rpms="GConf2 \
+	Glide3 \
+	ORBit \
+	ORBit2 \
+	XFree86-Mesa-libGL \
+	XFree86-Mesa-libGLU \
+	XFree86-libs \
+	XFree86-libs-data \
+	Xaw3d \
+	ash \
+	at \
+	atk \
+	audiofile \
+	autofs \
+	bc \
+	binutils \
+	bonobo-activation \
+	bzip2 \
+	chkconfig \
+	compat-pwdb \
+	cpio \
+	cpp \
+	cracklib \
+	cracklib-dicts \
+	crontabs \
+	cups-libs \
+	cyrus-sasl \
+	cyrus-sasl-md5 \
+	db4 \
+	desktop-file-utils \
+	dev \
+	diffutils \
+	diskdumputils \
+	e2fsprogs \
+	ed \
+	ethtool \
+	expat \
+	file \
+	findutils \
+	finger \
+	fontconfig \
+	freetype \
+	ftp \
+	gail \
+	gawk \
+	gdbm \
+	gdk-pixbuf \
+	gettext \
+	glib \
+	glib2 \
+	glibc-headers \
+	glibc-kernheaders \
+	gmp \
+	gnupg \
+	grep \
+	groff \
+	gtk+ \
+	gtk2 \
+	gzip \
+	hesiod \
+	hwdata \
+	indexhtml \
+	info \
+	iproute \
+	iputils \
+	kernel \
+	kernel-BOOT \
+	krb5-libs \
+	krb5-workstation \
+	kudzu \
+	laus \
+	less \
+	libaio \
+	libart_lgpl \
+	libbonobo \
+	libcap \
+	libgcj \
+	libgcj-ssa \
+	libglade2 \
+	libgnomecanvas \
+	libjpeg \
+	libmng \
+	libogg \
+	libpng \
+	libpng10 \
+	libstdc++ \
+	libtiff \
+	libtool-libs \
+	libungif \
+	libusb \
+	libuser \
+	libvorbis \
+	libwnck \
+	libxml \
+	libxml2 \
+	libxml2-python \
+	libxslt \
+	linc \
+	lockdev \
+	logrotate \
+	losetup \
+	lsof \
+	lvm \
+	lynx \
+	m4 \
+	mailcap \
+	make \
+	man \
+	man-pages \
+	mingetty \
+	mkinitrd \
+	mkisofs \
+	mktemp \
+	modutils \
+	mount \
+	mtools \
+	nc \
+	net-snmp \
+	net-snmp-libs \
+	net-tools \
+	netdump \
+	newt \
+	nfs-utils \
+	nscd \
+	nss_db \
+	nss_ldap \
+	ntp \
+	ntsysv \
+	openldap \
+	openssh \
+	openssh-clients \
+	openssh-server \
+	openssl \
+	pango \
+	passwd \
+	patch \
+	pax \
+	pcre \
+	pdksh \
+	perl \
+	perl-CGI \
+	perl-DateManip \
+	perl-Filter \
+	perl-HTML-Parser \
+	perl-HTML-Tagset \
+	perl-Parse-Yapp \
+	perl-URI \
+	perl-XML-Dumper \
+	perl-XML-Encoding \
+	perl-XML-Grove \
+	perl-XML-Parser \
+	perl-XML-Twig \
+	perl-libwww-perl \
+	perl-libxml-enno \
+	perl-libxml-perl \
+	portmap \
+	procmail \
+	procps \
+	psacct \
+	psmisc \
+	pspell \
+	pygtk2 \
+	pygtk2-libglade \
+	python \
+	pyxf86config \
+	readline \
+	redhat-logos \
+	redhat-menus \
+	rhpl \
+	rpm-python \
+	rpmdb-redhat \
+	rsh \
+	rsync \
+	rusers \
+	rwho \
+	sed \
+	setarch \
+	sgml-common \
+	shadow-utils \
+	slang \
+	startup-notification \
+	sudo \
+	sysklogd \
+	syslinux \
+	tar \
+	tcl \
+	tcp_wrappers \
+	tcsh \
+	telnet \
+	time \
+	traceroute \
+	ttmkfdir \
+	tzdata \
+	units \
+	unix2dos \
+	unzip \
+	usermode \
+	utempter \
+	util-linux \
+	vim-common \
+	vim-minimal \
+	vixie-cron \
+	wget \
+	which \
+	words \
+	xinetd \
+	xml-common \
+	yp-tools \
+	ypbind \
+	zip"
+
+common_server_rpms="$common_core_rpms \
+	4Suite \
+	MyODBC \
+	MySQL-python \
+	Omni \
+	Omni-foomatic \
+	PyXML \
+	VFlib2 \
+	XFree86-4 \
+	XFree86-base-fonts \
+	XFree86-font-utils \
+	XFree86-truetype-fonts \
+	XFree86-xauth \
+	XFree86-xdm \
+	XFree86-xfs \
+	acl \
+	alchemist \
+	amanda \
+	amanda-server \
+	arts \
+	aspell \
+	aspell-config \
+	at-spi \
+	authd \
+	bcel \
+	bind \
+	bind-chroot \
+	bind-libs \
+	bind-utils \
+	bitmap-fonts \
+	caching-nameserver \
+	chkfontpath \
+	commons-beanutils \
+	commons-collections \
+	commons-digester \
+	commons-logging \
+	commons-modeler \
+	compat-db \
+	compat-libstdc++ \
+	crypto-utils \
+	cup-v10k \
+	cups \
+	curl \
+	cyrus-sasl-gssapi \
+	cyrus-sasl-plain \
+	dhcp \
+	distcache \
+	distcache-devel \
+	esound \
+	expect \
+	fam \
+	finger-server \
+	foomatic \
+	freeradius \
+	gd \
+	ghostscript \
+	ghostscript-fonts \
+	gimp-print \
+	gnome-libs \
+	gnome-mime-data \
+	gnome-python2 \
+	gnome-python2-bonobo \
+	gnome-python2-canvas \
+	gnome-python2-gtkhtml2 \
+	gnome-vfs2 \
+	gnuplot \
+	gtkhtml2 \
+	htmlview \
+	httpd \
+	hwcrypto \
+	imap \
+	imap-utils \
+	imlib \
+	inews \
+	inn \
+	jakarta-regexp \
+	krb5-server \
+	krbafs \
+	libIDL \
+	libbonoboui \
+	libdbi \
+	libdbi-dbd-mysql \
+	libgnome \
+	libgnomeprint22 \
+	libgnomeprintui22 \
+	libgnomeui \
+	libgsf \
+	libole2 \
+	logwatch \
+	mailman \
+	mailx \
+	mod_auth_mysql \
+	mod_auth_pgsql \
+	mod_authz_ldap \
+	mod_perl \
+	mod_python \
+	mod_ssl \
+	mpage \
+	mtr \
+	mx \
+	mx4j \
+	mysql \
+	mysql-bench \
+	mysql-devel \
+	net-snmp-utils \
+	netdump-server \
+	newt-perl \
+	openldap-servers \
+	openssl-perl \
+	pam_krb5 \
+	perl-DBD-MySQL \
+	perl-DBD-Pg \
+	perl-DBI \
+	perl-DB_File \
+	perl-Digest-HMAC \
+	perl-Digest-SHA1 \
+	perl-Net-DNS \
+	perl-Time-HiRes \
+	php \
+	php-imap \
+	php-ldap \
+	php-mysql \
+	php-odbc \
+	php-pgsql \
+	pnm2ppa \
+	postfix \
+	postgresql-odbc \
+	pxe \
+	pyorbit \
+	qt \
+	qt-MySQL \
+	qt-ODBC \
+	quagga \
+	radvd \
+	rdist \
+	redhat-config-bind \
+	redhat-config-httpd \
+	redhat-config-printer \
+	redhat-config-printer-gui \
+	redhat-config-samba \
+	redhat-config-securitylevel \
+	redhat-config-securitylevel-tui \
+	redhat-config-services \
+	redhat-java-rpm-scripts \
+	redhat-switch-mail \
+	redhat-switch-mail-gnome \
+	rh-postgresql \
+	rh-postgresql-contrib \
+	rh-postgresql-docs \
+	rh-postgresql-jdbc \
+	rh-postgresql-libs \
+	rh-postgresql-python \
+	rh-postgresql-server \
+	rh-postgresql-tcl \
+	rh-postgresql-test \
+	rhdb-utils \
+	rsh-server \
+	rusers-server \
+	samba \
+	samba-client \
+	samba-common \
+	samba-swat \
+	sendmail \
+	sendmail-cf \
+	slocate \
+	spamassassin \
+	squid \
+	squirrelmail \
+	switchdesk \
+	sysreport \
+	telnet-server \
+	tftp-server \
+	tmpwatch \
+	tux \
+	unixODBC \
+	unixODBC-kde \
+	urw-fonts \
+	usermode-gtk \
+	vsftpd \
+	webalizer \
+	xalan-j \
+	xerces-j \
+	xinitrc \
+	ypserv"
+
+common_desktop_rpms="$common_server_rpms \
+	Canna-libs \
+	FreeWnn-libs \
+	Gtk-Perl \
+	ImageMagick \
+	ImageMagick-perl \
+	SDL \
+	XFree86-100dpi-fonts \
+	XFree86-75dpi-fonts \
+	XFree86-Xnest \
+	XFree86-Xvfb \
+	XFree86-doc \
+	XFree86-tools \
+	XFree86-twm \
+	a2ps \
+	am-utils \
+	amanda-client \
+	anacron \
+	apel-xemacs \
+	aumix \
+	authconfig \
+	authconfig-gtk \
+	autorun \
+	cdparanoia-alpha9.8 \
+	cdparanoia-libs-alpha9.8 \
+	cdrecord \
+	cipe \
+	ckermit \
+	comps-extras \
+	control-center \
+	ctags \
+	desktop-backgrounds-basic \
+	desktop-printing \
+	dialog \
+	docbook-dtds \
+	docbook-style-dsssl \
+	docbook-style-xsl \
+	docbook-utils \
+	docbook-utils-pdf \
+	dtach \
+	dvd+rw-tools \
+	dvdrecord \
+	eel2 \
+	elinks \
+	enscript \
+	eog \
+	evolution \
+	evolution-connector \
+	fetchmail \
+	file-roller \
+	firstboot \
+	fontilus \
+	gaim \
+	gconf-editor \
+	gdm \
+	gedit \
+	gftp \
+	ggv \
+	gimp \
+	gimp-data-extras \
+	gimp-perl \
+	gimp-print-cups \
+	gimp-print-plugin \
+	gimp-print-utils \
+	gnome-applets \
+	gnome-audio \
+	gnome-desktop \
+	gnome-games \
+	gnome-icon-theme \
+	gnome-media \
+	gnome-panel \
+	gnome-pilot \
+	gnome-python2-applet \
+	gnome-session \
+	gnome-spell \
+	gnome-system-monitor \
+	gnome-terminal \
+	gnome-themes \
+	gnome-user-docs \
+	gnome-utils \
+	gnome-vfs2-extras \
+	gnomemeeting \
+	gphoto2 \
+	gsl \
+	gstreamer \
+	gstreamer-plugins \
+	gstreamer-tools \
+	gtk-engines \
+	gtk2-engines \
+	gtkam \
+	gtkam-gimp \
+	gtkglarea \
+	gtkhtml3 \
+	guile \
+	hotplug \
+	hpijs \
+	hpoj \
+	htdig \
+	hwbrowser \
+	intltool \
+	itcl \
+	jadetex \
+	kdeaddons \
+	kdeartwork \
+	kdebase \
+	kdegames \
+	kdegraphics \
+	kdelibs \
+	kdemultimedia \
+	kdenetwork \
+	kdepim \
+	kdeutils \
+	lftp \
+	libao \
+	libf2c \
+	libgail-gnome \
+	libgal2 \
+	libghttp \
+	libglade \
+	libgtop2 \
+	libmrproject \
+	libpcap \
+	libraw1394 \
+	librsvg2 \
+	libsoup \
+	linuxdoc-tools \
+	lm_sensors \
+	magicdev \
+	metacity \
+	mikmod \
+	mrproject \
+	mrtg \
+	mutt \
+	nautilus \
+	nautilus-cd-burner \
+	nautilus-media \
+	netpbm \
+	netpbm-progs \
+	open \
+	openh323 \
+	openjade \
+	openldap-clients \
+	openmotif \
+	openmotif21 \
+	openoffice.org \
+	openoffice.org-i18n \
+	openoffice.org-libs \
+	openssh-askpass \
+	openssh-askpass-gnome \
+	parted \
+	passivetex \
+	perl-PDL \
+	perl-SGMLSpm \
+	perl-suidperl \
+	pilot-link \
+	printman \
+	psutils \
+	pwlib	 \
+	pyOpenSSL \
+	python-optik \
+	redhat-artwork \
+	redhat-config-date \
+	redhat-config-keyboard \
+	redhat-config-kickstart \
+	redhat-config-language \
+	redhat-config-mouse \
+	redhat-config-network \
+	redhat-config-network-tui \
+	redhat-config-nfs \
+	redhat-config-packages \
+	redhat-config-proc \
+	redhat-config-rootpassword \
+	redhat-config-soundcard \
+	redhat-config-users \
+	redhat-config-xfree86 \
+	redhat-logviewer \
+	rhn-applet \
+	rhnlib \
+	sane-backends \
+	sane-frontends \
+	screen \
+	scrollkeeper \
+	shapecfg \
+	sharutils \
+	sox \
+	star \
+	switchdesk-gnome \
+	switchdesk-kde \
+	sysstat \
+	talk \
+	tclx \
+	tetex \
+	tetex-afm \
+	tetex-dvips \
+	tetex-fonts \
+	tetex-latex \
+	tetex-xdvi \
+	tix \
+	tk \
+	tkinter \
+	transfig \
+	ttfprint \
+	umb-scheme \
+	up2date \
+	up2date-gnome \
+	usbutils \
+	uucp \
+	vim-enhanced \
+	vlock \
+	vnc \
+	vnc-server \
+	vorbis-tools \
+	vte \
+	w3c-libwww \
+	xchat \
+	xdelta \
+	xemacs \
+	xemacs-el \
+	xemacs-info \
+	xfig \
+	xhtml1-dtds \
+	xloadimage \
+	xmltex \
+	xmlto \
+	xmms \
+	xpdf \
+	xsane \
+	xsane-gimp \
+	xscreensaver \
+	xsri \
+	xterm \
+	yelp \
+	zsh"
+
+common_developer_rpms="$common_desktop_rpms \
+	ElectricFence \
+	GConf2-devel \
+	ORBit-devel \
+	ORBit2-devel \
+	SDL-devel \
+	XFree86-devel \
+	ant \
+	ant-libs \
+	arts-devel \
+	at-spi-devel \
+	atk-devel \
+	audiofile-devel \
+	autoconf \
+	autoconf213 \
+	automake \
+	automake14 \
+	automake15 \
+	bison \
+	blas \
+	bonobo-activation-devel \
+	bug-buddy \
+	byacc \
+	cdecl \
+	cproto \
+	crash \
+	cscope \
+	cups-devel \
+	cvs \
+	ddd \
+	dejagnu \
+	dev86 \
+	diffstat \
+	doxygen \
+	eel2-devel \
+	emacs \
+	emacs-el \
+	emacs-leim \
+	esound-devel \
+	flex \
+	fontconfig-devel \
+	freetype-devel \
+	gail-devel \
+	gcc \
+	gcc-c++ \
+	gcc-c++-ssa \
+	gcc-g77 \
+	gcc-g77-ssa \
+	gcc-gnat \
+	gcc-java \
+	gcc-java-ssa \
+	gcc-objc \
+	gcc-objc-ssa \
+	gcc-ssa \
+	gd-devel \
+	gdb \
+	gdk-pixbuf-devel \
+	gdk-pixbuf-gnome \
+	glade2 \
+	glib-devel \
+	glib2-devel \
+	glibc-devel \
+	glibc-profile \
+	glibc-utils \
+	gnome-desktop-devel \
+	gnome-libs-devel \
+	gnome-vfs2-devel \
+	gperf \
+	gtk+-devel \
+	gtk-doc \
+	gtk2-devel \
+	gtkhtml2-devel \
+	httpd-devel \
+	im-sdk \
+	imlib-devel \
+	indent \
+	jaf \
+	javamail \
+	joe \
+	jpackage-utils \
+	junit \
+	kdebase-devel \
+	kdegraphics-devel \
+	kdelibs-devel \
+	kdenetwork-devel \
+	kdepim-devel \
+	kdesdk \
+	kdesdk-devel \
+	kdeutils-devel \
+	kdevelop \
+	kdoc \
+	kernel-doc \
+	kernel-source \
+	lam \
+	lapack \
+	lha \
+	libIDL-devel \
+	libacl-devel \
+	libart_lgpl-devel \
+	libattr-devel \
+	libbonobo-devel \
+	libbonoboui-devel \
+	libgcc-ssa \
+	libgcj-devel \
+	libgcj-ssa-devel \
+	libglade2-devel \
+	libgnat \
+	libgnome-devel \
+	libgnomecanvas-devel \
+	libgnomeprint22-devel \
+	libgnomeprintui22-devel \
+	libgnomeui-devel \
+	libjpeg-devel \
+	libmng-devel \
+	libmudflap \
+	libmudflap-devel \
+	libobjc \
+	libole2-devel \
+	libpng-devel \
+	librsvg2-devel \
+	libstdc++-devel \
+	libstdc++-ssa \
+	libstdc++-ssa-devel \
+	libtiff-devel \
+	libtool \
+	libungif-devel \
+	libxml2-devel \
+	libxslt-devel \
+	linc-devel \
+	ltrace \
+	memprof \
+	nasm \
+	ncurses-devel \
+	nedit \
+	netpbm-devel \
+	openmotif-devel \
+	oprofile \
+	pango-devel \
+	patchutils \
+	pcre-devel \
+	perl-CPAN \
+	perl-Crypt-SSLeay \
+	pilot-link-devel \
+	pkgconfig \
+	pstack \
+	pygtk2-devel \
+	python-devel \
+	python-tools \
+	qt-designer \
+	qt-devel \
+	rcs \
+	redhat-rpm-config \
+	rpm-build \
+	ruby \
+	ruby-libs \
+	ruby-mode \
+	sane-backends-devel \
+	sip \
+	sip-devel \
+	splint \
+	startup-notification-devel \
+	strace \
+	swig \
+	texinfo \
+	tora \
+	vim-X11 \
+	vte-devel \
+	zlib-devel"
+
+common_all_rpms="$common_developer_rpms \
+	Canna
+	FreeWnn \
+	ImageMagick-c++-5.5.6 \
+	Wnn6-SDK \
+	ami \
+	amtu \
+	anaconda \
+	anaconda-help \
+	anaconda-images \
+	anaconda-product \
+	anaconda-runtime \
+	apmd \
+	arptables_jf \
+	attr \
+	bg5ps \
+	bitmap-fonts-cjk \
+	bogl \
+	bogl-bterm \
+	bootparamd \
+	booty \
+	bridge-utils \
+	busybox \
+	busybox-anaconda \
+	compat-gcc \
+	compat-gcc-c++ \
+	compat-glibc-7.x \
+	compat-libstdc++-devel \
+	compat-slang \
+	db4-java \
+	db4-utils \
+	dbskkd-cdb \
+	desktop-backgrounds-extra \
+	devlabel \
+	dhclient \
+	dietlibc \
+	dos2unix \
+	dosfstools \
+	dump \
+	eject \
+	emacspeak \
+	ethereal \
+	ethereal-gnome \
+	fbset \
+	festival \
+	grub \
+	h2ps \
+	hdparm \
+	ipsec-tools \
+	irda-utils \
+	iscsi-initiator-utils \
+	isdn4k-utils \
+	jfsutils \
+	jisksp14 \
+	jisksp16 \
+	jwhois \
+	kappa20 \
+	kbd \
+	kernel-pcmcia-cs \
+	knm_new \
+	kon2 \
+	kon2-fonts \
+	libtabe \
+	libwvstreams \
+	lilo \
+	linuxwacom \
+	lslk \
+	mdadm \
+	mgetty \
+	minicom \
+	mkbootdisk \
+	mt-st \
+	mtx \
+	nano \
+	ncompress \
+	net-snmp-perl \
+	netconfig \
+	nhpf \
+	nmap \
+	octave \
+	openssl096b \
+	pam_passwdqc \
+	pam_smb \
+	pinfo \
+	ppp \
+	prelink \
+	psgml \
+	pvm \
+	quota \
+	rdate \
+	rdesktop \
+	redhat-config-netboot \
+	rhgb \
+	rmt \
+	rootfiles \
+	rp-pppoe \
+	schedutils \
+	setserial \
+	setuptool \
+	sg3_utils \
+	skkdic \
+	skkinput
+	specspo \
+	stunnel \
+	tcpdump \
+	tftp \
+	tn5250 \
+	tsclient \
+	vconfig \
+	wireless-tools \
+	wvdial \
+	x3270 \
+	x3270-text \
+	x3270-x11 \
+	xcin"
diff --git a/usr/src/lib/brand/lx/zone/lx_boot.ksh b/usr/src/lib/brand/lx/zone/lx_boot.ksh
new file mode 100644
index 0000000000..9604a46ce2
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/lx_boot.ksh
@@ -0,0 +1,193 @@
+#!/bin/ksh -p
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#    
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#    
+# CDDL HEADER END
+#
+#
+# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2015, Joyent, Inc.
+#
+# lx boot script.
+#
+# The arguments to this script are the zone name and the zonepath.
+#
+
+. /usr/lib/brand/shared/common.ksh
+
+ZONENAME=$1
+ZONEPATH=$2
+ZONEROOT=$ZONEPATH/root
+
+w_missing=$(gettext "Warning: \"%s\" is not installed in the global zone")
+
+arch=`uname -p`
+if [ "$arch" = "i386" ]; then
+	ARCH32=i86
+        ARCH64=amd64
+else
+        echo "Unsupported architecture: $arch" 
+        exit 2
+fi
+
+#
+# Run the lx_support boot hook.
+#
+/usr/lib/brand/lx/lx_support boot $ZONEPATH $ZONENAME
+if (( $? != 0 )) ; then
+        exit 1
+fi
+
+BRANDDIR=/native/usr/lib/brand/lx;
+EXIT_CODE=1
+
+# All native executables must be run using the native linker. By default, the
+# kernel runs the linker at /lib/ld.so.1, which doesn't exist in an lx zone.
+# In lx, the linker is ld-linux.so.N. Hence when we run the native executable
+# from the wrappers, we explicitly specify /native/lib/ld.so.1 as our 32-bit
+# linker (or /native/lib/64/ld.so.1 as our 64-bit linker).
+#
+# $1 is lx cmd, $2 is native cmd, $3 is an optional inclusion in the script
+# the lx cmd path must have already be verified with safe_dir
+#
+setup_native_chroot_cmd() {
+	cmd_name=$ZONEROOT/$1
+
+	if [ -h $cmd_name -o \( -e $cmd_name -a ! -f $cmd_name \) ]; then
+		logger -p daemon.err "dangerous zone cmd: $ZONENAME, $1" 
+		return
+	fi
+
+	cat <<-DONE >$ZONEROOT/$1
+	#!/bin/sh
+
+	$3
+	exec /native/usr/sbin/chroot /native \
+	    /lib/ld.so.1 -e LD_NOENVIRON=1 -e LD_NOCONFIG=1 \
+	    $2 "\$@"
+	DONE
+
+	chmod 755 $ZONEROOT/$1
+}
+
+# $1 is lx cmd, $2 is native cmd
+# the lx cmd path must have already be verified with safe_dir
+setup_native_cmd() {
+	cmd_name=$ZONEROOT/$1
+
+	if [ -h $cmd_name -o \( -e $cmd_name -a ! -f $cmd_name \) ]; then
+		logger -p daemon.err "dangerous zone cmd: $ZONENAME, $1" 
+		return
+	fi
+
+	cat <<-DONE >$ZONEROOT/$1
+	#!/bin/sh
+
+	exec /native/usr/lib/brand/lx/lx_native \
+	    /native/lib/ld.so.1 -e LD_NOENVIRON=1 -e LD_NOCONFIG=1 \
+	    -e LD_LIBRARY_PATH_32="/native/lib:/native/usr/lib" $2 "\$@"
+	DONE
+
+	chmod 755 $ZONEROOT/$1
+}
+
+#
+# Before we boot we validate and fix, if necessary, the required files within
+# the zone.  These modifications can be lost if a patch or upgrade is applied
+# within the zone, so we validate and fix the zone every time it boots.
+#
+
+#
+# Determine the distro.
+#
+distro=""
+if [[ $(zonecfg -z $ZONENAME info attr name=docker) =~ "value: true" ]]; then
+	distro="docker"
+elif [[ -f $ZONEROOT/etc/redhat-release ]]; then
+	distro="redhat"
+elif [[ -f $ZONEROOT/etc/lsb-release ]]; then
+	if egrep -s Ubuntu $ZONEROOT/etc/lsb-release; then
+		distro="ubuntu"
+	elif [[ -f $ZONEROOT/etc/debian_version ]]; then
+		distro="debian"
+	fi
+elif [[ -f $ZONEROOT/etc/debian_version ]]; then
+	distro="debian"
+fi
+
+[[ -z $distro ]] && fatal "Unsupported distribution!"
+
+#
+# BINARY REPLACEMENT
+#
+# This section of the boot script is responsible for replacing Linux
+# binaries within the booting zone with native binaries.  This is a two-step
+# process: First, the directory structure of the zone is validated to ensure
+# that binary replacement will proceed safely.  Second, the Linux binaries
+# are replaced with native binaries.
+#
+# Here's an example.  Suppose that you want to replace /usr/bin/zcat with the
+# native /usr/bin/zcat binary.  Then you should do the following:
+#
+#	1.  Go to the section below labeled "STEP ONE" and add the following
+#	    two lines:
+#
+#		safe_dir /usr
+#		safe_dir /usr/bin
+#
+#	    These lines ensure that both /usr and /usr/bin are directories
+#	    within the booting zone that can be safely accessed by the global
+#	    zone.
+#	2.  Go to the section below labeled "STEP TWO" and add the following
+#	    line:
+#
+#		setup_native_cmd /usr/bin/zcat /native/usr/bin/zcat
+#
+
+#
+# STEP ONE
+#
+# Validate that the zone filesystem looks like we expect it to.
+#
+safe_dir /lib
+safe_dir /bin
+safe_dir /sbin
+safe_dir /etc
+safe_opt_dir /etc/init
+safe_opt_dir /etc/update-motd.d
+
+#
+# STEP TWO
+#
+# Replace Linux binaries with native binaries.
+#
+setup_native_chroot_cmd /sbin/ipmgmtd /lib/inet/ipmgmtd \
+	"export SMF_FMRI=\"svc:/network/ip-interface-management:default\""
+setup_native_chroot_cmd /sbin/dladm /usr/sbin/dladm
+setup_native_chroot_cmd /sbin/ifconfig-native /sbin/ifconfig
+
+setup_native_cmd /sbin/route /native/usr/sbin/route
+
+#
+# STEP THREE
+#
+# Perform distro-specific customization.
+#
+. $(dirname $0)/lx_boot_zone_${distro}
+
+exit 0
diff --git a/usr/src/lib/brand/lx/zone/lx_boot_zone_debian.ksh b/usr/src/lib/brand/lx/zone/lx_boot_zone_debian.ksh
new file mode 100755
index 0000000000..7b74e48b88
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/lx_boot_zone_debian.ksh
@@ -0,0 +1,263 @@
+#!/bin/ksh -p
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Customisation for Debian-based distributions.  Assumes to have been
+# sourced from lx_boot.
+#
+
+tmpfile=/tmp/lx-debian.$$
+
+# Generate the networking.conf upstart script 
+setup_net()
+{
+    zonecfg -z $ZONENAME info net >/tmp/$ZONENAME.$$
+    zonecfg -z $ZONENAME info attr name=resolvers >>/tmp/$ZONENAME.$$
+
+    awk '
+        BEGIN {
+            printf("#!/bin/sh -e\n")
+	    printf("### BEGIN INIT INFO\n");
+	    printf("# Provides: networking ifupdown\n");
+	    printf("# Required-Start: mountkernfs $local_fs urandom\n");
+	    printf("# Required-Stop: $local_fs\n");
+	    printf("# Default-Start: S\n");
+	    printf("# Default-Stop: 0 6\n");
+	    printf("# Short-Description: Raise network interfaces.\n");
+	    printf("# Description: Bring up/down networking\n");
+	    printf("### END INIT INFO\n\n");
+
+	    printf(". /lib/lsb/init-functions\n\n");
+
+            printf("case \"\$1\" in\n")
+            printf("  start)\n")
+	    printf("    log_action_begin_msg \"Configuring network interfaces\"\n")
+            printf("    /sbin/ipmgmtd || true\n")
+            printf("    /sbin/ifconfig-native lo0 plumb\n")
+            printf("    /sbin/ifconfig-native lo0 up\n")
+            printf("    /sbin/ifconfig-native lo0 inet6 plumb\n")
+            printf("    /sbin/ifconfig-native lo0 inet6 up\n")
+
+	} {
+            if ($1 == "net:") {
+                in_net = 1
+                in_attr = 0
+
+                if (phys != "") {
+                    printf("    /sbin/ifconfig-native %s plumb || true\n", phys)
+                    printf("    /sbin/ifconfig-native %s %s netmask %s up || true\n",
+                        phys, ip, mask)
+                    printf("    /sbin/ifconfig-native %s inet6 plumb up || true\n", phys)
+                    if (prim == "true" && length(gw) > 0)
+
+                        printf("    /sbin/route add default %s || true\n", gw)
+
+                    phys = ""
+                    prim = ""
+                    gw = ""
+                    ip = ""
+                    mask = ""
+                }
+                next
+
+            } else if ($1 == "attr:") {
+                in_net = 0
+                in_attr = 1
+                next
+            }
+
+            if (in_net == 1) {
+                if ($1 == "physical:") {
+                    phys = $2
+                } else if ($1 == "property:") {
+                    split($2, a, ",")
+                    split(a[1], k, "=")
+                    split(a[2], v, "=")
+
+                    val = substr(v[2], 2)
+                    val = substr(val, 1, length(val) - 2)
+
+                    if (k[2] == "ip")
+                        ip = val
+                    else if (k[2] == "netmask")
+                        mask = val
+                    else if (k[2] == "primary")
+                        prim = val
+                    else if (k[2] == "gateway")
+                        gw = val
+                }
+
+            } else if (in_attr == 1) {
+                if ($1 == "value:") {
+                    nres = split($2, resolvers, ",")
+                }
+            }
+        }
+        END {
+            printf("    /sbin/ifconfig-native %s plumb || true\n", phys)
+            printf("    /sbin/ifconfig-native %s %s netmask %s up || true\n",
+                phys, ip, mask)
+            printf("    /sbin/ifconfig-native %s inet6 plumb up || true\n", phys)
+            if (prim == "true" && length(gw) > 0)
+                printf("    /sbin/route add default %s || true\n", gw)
+
+            printf("    rm -f /etc/resolv.conf\n")
+            for (i = 1; i <= nres; i++)
+                printf("    echo \"nameserver %s\" >> %s\n", resolvers[i],
+                    "/etc/resolv.conf")
+
+	    printf("    log_action_end_msg 0\n")
+            printf("    rc=0\n")
+            printf("    ;;\n")
+            printf("  stop)\n")
+            printf("    rc=0\n")
+	    printf("    ;;\n")
+	    printf("  restart|reload|force-reload)\n")
+	    printf("    cd \"\$CWD\"\n")
+	    printf("    \$0 stop\n")
+	    printf("    \$0 start\n")
+	    printf("    rc=\$?\n")
+	    printf("    ;;\n")
+	    printf("  *)\n")
+	    printf("    echo \"Usage: \$0 {start|stop|restart|reload|force-reload}\"\n")
+	    printf("    exit 1\n")
+	    printf("esac\n\n")
+	    printf("exit \$rc\n")
+
+        }' /tmp/$ZONENAME.$$ > $fnm
+	chmod +x $fnm
+
+	rm -f /tmp/$ZONENAME.$$
+}
+
+#
+# Before doing anything else, make sure some Centos-specific dirs are safe.
+# /etc/init.d is normally a symlink so we can't easily tell if it's safe so
+# check rc.d/init.d instead.
+#
+safe_dir /etc/init.d
+safe_dir /etc/rc0.d
+safe_dir /etc/rc1.d
+safe_dir /etc/rc2.d
+safe_dir /etc/rc3.d
+safe_dir /etc/rc4.d
+safe_dir /etc/rc5.d
+safe_dir /etc/rc6.d
+safe_dir /etc/rcS.d
+safe_opt_dir /etc/selinux
+
+#
+# The default /etc/inittab might spawn mingetty on each of the virtual consoles
+# as well as xdm on the X console.  Since we don't have virtual consoles nor
+# an X console, spawn a single mingetty on /dev/console instead.
+#
+# Don't bother changing the file if it looks like we already did.
+#
+fnm=$ZONEROOT/etc/inittab
+if ! egrep -s "Modified by lx brand" $fnm; then
+	sed 's/^[1-6]:/# Disabled by lx brand: &/' \
+	    $fnm > $tmpfile
+	echo "1:2345:respawn:/sbin/getty 38400 console" >> $tmpfile
+	echo "# Modified by lx brand" >> $tmpfile
+
+	if [[ ! -h $fnm ]]; then
+		mv -f $tmpfile $fnm
+		chmod 644 $fnm
+	fi
+fi
+
+# The Debian init uses a combination of traditional rc-style service
+# definitions and upstart-style definitions.
+
+#
+# The following rc-style scripts attempt to start services or otherwise
+# configure the system in ways incompatible with zones, so don't execute them
+# at boot time.
+#
+unsupported_rc_services="
+	checkfs.sh
+	checkroot.sh
+	hwclock.sh
+	kmod
+	mtab.sh
+	procps
+	udev
+	udev-mtab
+"
+
+for file in $unsupported_rc_services; do
+	rm -f $ZONEROOT/etc/init.d/$file
+
+	rc_files="$(echo $ZONEROOT/etc/rc[0-6S].d/[SK]+([0-9])$file)"
+
+	if [[ "$rc_files" != \
+	    "$ZONEROOT/etc/rc[0-6S].d/[SK]+([0-9])$file" ]]; then
+		for file in $rc_files; do
+			rm -f "$file"
+		done
+	fi
+done
+
+disable_svc()
+{
+	fnm=$ZONEROOT/etc/init/$1.override
+	[[ -h $fnm || -f $fnm ]] && return
+	echo "manual" > $fnm
+}
+
+
+#
+# Now customize upstart
+#
+
+RMSVCS="
+	network-interface-security
+	udev
+	udevmonitor
+	udevtrigger
+	udev-fallback-graphics
+	udev-finish
+"
+for f in $RMSVCS
+do
+	disable_svc $f
+done
+
+iptype=`/usr/sbin/zonecfg -z $ZONENAME info ip-type | cut -f2 -d' '`
+
+if [[ "$iptype" == "exclusive" ]]; then
+	fnm=$ZONEROOT/etc/init.d/networking
+	if [[ ! -h $fnm && -f $fnm ]] then
+		setup_net
+	fi
+fi
+
+#
+# We need to setup for the /dev/shm mount. Unlike some other distros, Debian
+# can handle it as either /dev/shm or /run/shm. For simplicity we create an
+# fstab entry to force it into the /dev/shm style.
+#
+fnm=$ZONEROOT/etc/fstab
+entry=$(awk '{if ($2 == "/dev/shm") print $2}' $fnm)
+if [[ -z "$entry" && ! -h $fnm ]]; then
+    echo "swapfs    /dev/shm    tmpfs    defaults    0 0" >> $fnm
+fi
+
+#
+# upstart modifications are complete 
+#
+
+# Hand control back to lx_boot
diff --git a/usr/src/lib/brand/lx/zone/lx_boot_zone_redhat.ksh b/usr/src/lib/brand/lx/zone/lx_boot_zone_redhat.ksh
new file mode 100644
index 0000000000..26ba13b42a
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/lx_boot_zone_redhat.ksh
@@ -0,0 +1,402 @@
+#!/bin/ksh -p
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.  All rights reserved.
+# Copyright 2015 OmniTI Computer Consulting, Inc. All rights reserved.
+#
+
+#
+# Since CentOS, Red Hat Enterprise Linux, and Fedora all use approximately
+# the same source, this file should be good for all three.
+#
+# Currently, this file assumed a pre-systemd existence, so this should be
+# CentOS 6.x or earlier.  Testing has been done on CentOS 6.6.
+#
+
+# This script was taken from an earlier file.  Initialize some variables here.
+tmpfile=/tmp/lx-redhat.$$
+
+# Function for setting up networking in the zone.
+# Generate the /etc/rc.d/init,d/network rc script
+setup_net()
+{
+    zonecfg -z $ZONENAME info net >/tmp/$ZONENAME.$$
+    zonecfg -z $ZONENAME info attr name=resolvers >>/tmp/$ZONENAME.$$
+    rm -f $ZONEROOT/tmp/.lx_net_up
+
+    awk '
+        BEGIN {
+            printf("#! /bin/bash \n\n")
+            printf("# network       Bring up/down networking\n#\n")
+	    printf("### BEGIN INIT INFO\n");
+	    printf("# Provides: $network\n");
+	    printf("# Short-Description: Bring up/down networking\n");
+	    printf("# Description: Bring up/down networking\n");
+	    printf("### END INIT INFO\n\n");
+
+            printf("case \"\$1\" in\n")
+            printf("  start)\n")
+            printf("    [ \"\$EUID\" != \"0\" ] && exit 4\n")
+            printf("    [ -f /tmp/.lx_net_up ] && exit 0\n")
+            printf("    touch /tmp/.lx_net_up\n\n")
+            printf("    /sbin/ipmgmtd || true\n")
+            printf("    /sbin/ifconfig-native lo0 plumb\n")
+            printf("    /sbin/ifconfig-native lo0 up\n")
+            printf("    /sbin/ifconfig-native lo0 inet6 plumb\n")
+            printf("    /sbin/ifconfig-native lo0 inet6 up\n")
+
+	} {
+            if ($1 == "net:") {
+                in_net = 1
+                in_attr = 0
+
+                if (phys != "") {
+                    printf("    /sbin/ifconfig-native %s plumb || true\n", phys)
+                    printf("    /sbin/ifconfig-native %s %s netmask %s up || true\n",
+                        phys, ip, mask)
+                    printf("    /sbin/ifconfig-native %s inet6 plumb up || true\n", phys)
+                    if (prim == "true" && length(gw) > 0)
+
+                        printf("    /sbin/route add default %s || true\n", gw)
+
+                    phys = ""
+                    prim = ""
+                    gw = ""
+                    ip = ""
+                    mask = ""
+                }
+                next
+
+            } else if ($1 == "attr:") {
+                in_net = 0
+                in_attr = 1
+                next
+            }
+
+            if (in_net == 1) {
+                if ($1 == "physical:") {
+                    phys = $2
+                } else if ($1 == "property:") {
+                    split($2, a, ",")
+                    split(a[1], k, "=")
+                    split(a[2], v, "=")
+
+                    val = substr(v[2], 2)
+                    val = substr(val, 1, length(val) - 2)
+
+                    if (k[2] == "ip")
+                        ip = val
+                    else if (k[2] == "netmask")
+                        mask = val
+                    else if (k[2] == "primary")
+                        prim = val
+                    else if (k[2] == "gateway")
+                        gw = val
+                }
+
+            } else if (in_attr == 1) {
+                if ($1 == "value:") {
+                    nres = split($2, resolvers, ",")
+                }
+            }
+        }
+        END {
+            printf("    /sbin/ifconfig-native %s plumb || true\n", phys)
+            printf("    /sbin/ifconfig-native %s %s netmask %s up || true\n",
+                phys, ip, mask)
+            printf("    /sbin/ifconfig-native %s inet6 plumb up || true\n", phys)
+            if (prim == "true" && length(gw) > 0)
+                printf("    /sbin/route add default %s || true\n", gw)
+
+            printf("    rm -f /etc/resolv.conf\n")
+            for (i = 1; i <= nres; i++)
+                printf("    echo \"nameserver %s\" >> %s\n", resolvers[i],
+                    "/etc/resolv.conf")
+
+            printf("    touch /var/lock/subsys/network\n")
+            printf("    rc=0\n")
+            printf("    ;;\n")
+            printf("  stop)\n")
+            printf("    [ \"\$EUID\" != \"0\" ] && exit 4\n\n")
+	    printf("    rm -f /var/lock/subsys/network\n")
+            printf("    rc=0\n")
+	    printf("    ;;\n")
+	    printf("  status)\n")
+	    printf("    echo \"Configured devices:\"\n")
+	    printf("    echo \"lo \$(cd /dev/net; ls)\"\n")
+	    printf("    echo \"Currently active devices:\"\n")
+	    printf("    echo \$(/sbin/ip -o link show up | awk -F \": \" %s{ print \$2 }%s)\n", "\047", "\047")
+            printf("    rc=0\n")
+	    printf("    ;;\n")
+	    printf("  restart|reload|force-reload)\n")
+	    printf("    cd \"\$CWD\"\n")
+	    printf("    \$0 stop\n")
+	    printf("    \$0 start\n")
+	    printf("    rc=\$?\n")
+	    printf("    ;;\n")
+	    printf("  *)\n")
+	    printf("    echo \"Usage: \$0 {start|stop|status|restart|reload|force-reload}\"\n")
+	    printf("    exit 2\n")
+	    printf("esac\n\n")
+	    printf("exit \$rc\n")
+
+        }' /tmp/$ZONENAME.$$ > $fnm
+	chmod +x $fnm
+
+	rm -f /tmp/$ZONENAME.$$
+}
+
+#
+# Before doing anything else, make sure some Centos-specific dirs are safe.
+# /etc/init.d is normally a symlink so we can't easily tell if it's safe so
+# check rc.d/init.d instead.
+#
+safe_dir /etc/sysconfig
+safe_dir /etc/rc.d
+safe_dir /etc/rc.d/init.d
+safe_dir /etc/rc.d/rc0.d
+safe_dir /etc/rc.d/rc1.d
+safe_dir /etc/rc.d/rc2.d
+safe_dir /etc/rc.d/rc3.d
+safe_dir /etc/rc.d/rc4.d
+safe_dir /etc/rc.d/rc5.d
+safe_dir /etc/rc.d/rc6.d
+safe_opt_dir /etc/selinux
+
+#
+# The default /etc/inittab only sets the runlevel. Make sure it's runlevel 3
+# and not runlevel 5 (X11).
+# Don't bother changing the file if it looks like we already did.
+#
+fnm=$ZONEROOT/etc/inittab
+if ! egrep -s "Modified by lx brand" $fnm; then
+	sed 's/^id:5:initdefault:/id:3:initdefault: &/' \
+	    $fnm > $tmpfile
+	echo "# Modified by lx brand" >> $tmpfile
+
+	if [[ ! -h $fnm ]]; then
+		mv -f $tmpfile $fnm
+		chmod 644 $fnm
+	fi
+fi
+
+#
+# Ensure svcs depending on $network will start.
+#
+fnm=$ZONEROOT/etc/sysconfig/network
+if ! egrep -s "NETWORKING=yes" $fnm; then
+	cfghnm=$(zonecfg -z $ZONENAME info attr name=hostname | \
+	    awk '{if ($1 == "value:") print $2}')
+	if [[ -z "$cfghnm" ]]; then
+		cfghnm=$ZONENAME
+	fi
+	if [[ ! -h $fnm ]]; then
+		cat > $fnm <<- EOF
+		NETWORKING=yes
+		HOSTNAME=$cfghnm
+		EOF
+	fi
+fi
+
+#
+# SELinux must be disabled otherwise we won't get past init.
+#
+fnm=$ZONEROOT/etc/selinux/config
+if egrep -s "^SELINUX=enforcing|^SELINUX=permissive" $fnm; then
+	tmpfile=/tmp/selinux_config.$$
+
+	sed 's/^SELINUX=.*$/SELINUX=disabled/' $fnm > $tmpfile
+	if [[ ! -h $fnm ]]; then
+		mv -f $tmpfile $fnm
+		chmod 644 $fnm
+	fi
+fi
+
+#
+# /etc/rc.d/init.d/keytable tries to load a physical keyboard map, which won't
+# work in a zone. If we remove etc/sysconfig/keyboard, it won't try this at all.
+#
+fnm=$ZONEROOT/etc/sysconfig/keyboard
+if [[ ! -h $fnm ]]; then
+	rm -f $ZONEROOT/etc/sysconfig/keyboard
+fi
+
+# The Centos init uses a combination of traditional rc-style service
+# definitions and upstart-style definitions.
+
+#
+# The following rc-style scripts attempt to start services or otherwise
+# configure the system in ways incompatible with zones, so don't execute them
+# at boot time.
+#
+unsupported_rc_services="
+	acpid
+	auditd
+	gpm
+	hpoj
+	ip6tables
+	iptables
+	irda
+	irqbalance
+	iscsi
+	isdn
+	kdump
+	kudzu
+	mdmpd
+	mdmonitor
+	microcode_ctl
+	netdump
+	ntpd
+	ntpdate
+	pcmcia
+	psacct
+	quota_nld
+	random
+	rawdevices
+	smartd
+"
+
+for file in $unsupported_rc_services; do
+	rm -f $ZONEROOT/etc/rc.d/init.d/$file
+
+	rc_files="$(echo $ZONEROOT/etc/rc.d/rc[0-6].d/[SK]+([0-9])$file)"
+
+	if [[ "$rc_files" != \
+	    "$ZONEROOT/etc/rc.d/rc[0-6].d/[SK]+([0-9])$file" ]]; then
+		for file in $rc_files; do
+			rm -f "$file"
+		done
+	fi
+done
+
+disable_svc()
+{
+	# XXX - TBD does this work like on Ubuntu?
+	#
+	fnm=$ZONEROOT/etc/init/$1.override
+	[[ -h $fnm || -f $fnm ]] && return
+	echo "manual" > $fnm
+
+	# fnm=$ZONEROOT/etc/init/$1.conf
+	# rm -f $fnm
+}
+
+RMSVCS="control-alt-delete
+	ttyS0"
+
+#
+# Now customize upstart services
+#
+
+for f in $RMSVCS
+do
+	disable_svc $f
+done
+
+if [[ ! -f $ZONEROOT/etc/init/tty.override ]]; then
+	cat > $ZONEROOT/etc/init/tty.override <<- EOF
+	# tty - getty
+	#
+	# This service maintains a getty on the console.
+
+	stop on runlevel [S016]
+
+	respawn
+	instance console
+	exec /sbin/mingetty console
+	EOF
+fi
+
+if [[ ! -f $ZONEROOT/etc/init/start-ttys.override ]]; then
+	cat > $ZONEROOT/etc/init/start-ttys.override <<- EOF
+	# This service starts the configured number of gettys.
+	#
+
+	start on stopped rc RUNLEVEL=[2345]
+
+	task
+	script
+		initctl start tty
+	end script
+	EOF
+fi
+
+#
+# There is a lot of stuff in the standard halt and reboot scripts that we
+# have no business running in a zone.  Fortunately, the stuff we want to
+# skip is all in one contiguous chunk.
+#
+# Don't bother to modify the file if it looks like we already did.
+#
+fnm=$ZONEROOT/etc/rc.d/init.d/halt
+if ! egrep -s "Disabled by lx brand" $fnm; then
+	awk 'BEGIN {skip = ""}
+	    /^# Save mixer/ {skip = "# Disabled by lx brand: "}
+	    /halt.local/ {skip = ""}
+	    /./ {print skip $0}' $fnm > /tmp/halt.$$
+
+	if [[ $? -eq 0 && ! -h $fnm ]]; then
+		mv -f /tmp/halt.$$ $fnm
+		chmod 755 $fnm
+	fi
+fi
+
+#
+# Fix up /etc/rc.d/rc.sysinit:
+#
+# 1) /sbin/hwclock requires the iopl() system call, which BrandZ won't support.
+#    Since the hardware clock cannot be set from within a zone, we comment out
+#    the line.
+#
+# 2) Disable dmesg commands, since we don't implement klogctl
+#
+# 3) Disable initlog and the mount of /dev/pts
+#
+# 4) Don't touch /dev/tty* in order to start virtual terminals, as that won't
+#    work from within a zone.
+#
+# 5) Don't try to check the root filesystem (/) as there is no associated
+#    physical device, and any attempt to run fsck will fail.
+#
+fnm=$ZONEROOT/etc/rc.d/rc.sysinit
+tmpfile=/tmp/lx_rc.sysinit.$$
+
+sed 's@^/sbin/hwclock@# lx: &@
+    s@^/bin/dmesg -n@# lx: &@
+    s@^dmesg -s@# lx: &@
+    s@^initlog -c \"fsck@# lx: &@
+    s@^mount -n -o remount /dev/shm @mount -t tmpfs tmpfs /dev/shm @
+    s@^mount .* /dev/pts@# lx: &@
+    /^#remount \/dev\/shm/d' \
+    $fnm > $tmpfile
+
+if [[ ! -h $fnm ]]; then
+	mv -f $tmpfile $fnm
+	chmod 755 $fnm
+fi
+
+# NOTE: The networking setup assumes an exclusive-stack zone.
+iptype=`/usr/sbin/zonecfg -z $ZONENAME info ip-type | cut -f2 -d' '`
+
+if [[ "$iptype" == "exclusive" ]]; then
+	fnm=$ZONEROOT/etc/rc.d/init.d/network
+	if [[ ! -h $fnm && -f $fnm ]] then
+		setup_net
+	fi
+fi
+
+#
+# upstart modifications are complete
+#
+
+# Hand control back to lx_boot
diff --git a/usr/src/lib/brand/lx/zone/lx_boot_zone_ubuntu.ksh b/usr/src/lib/brand/lx/zone/lx_boot_zone_ubuntu.ksh
new file mode 100644
index 0000000000..3ab488550e
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/lx_boot_zone_ubuntu.ksh
@@ -0,0 +1,317 @@
+#!/bin/ksh -p
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Customisation for Ubuntu-based distributions.  Assumes to have been
+# sourced from lx_boot.
+#
+
+# Generate the networking.conf upstart script 
+setup_net()
+{
+    zonecfg -z $ZONENAME info net >/tmp/$ZONENAME.$$
+    zonecfg -z $ZONENAME info attr name=resolvers >>/tmp/$ZONENAME.$$
+
+   awk '
+        BEGIN {
+            printf("description\t\"configure virtual network devices\"\n\n")
+            printf("emits static-network-up\n")
+	    printf("emits net-device-up\n\n")
+
+	    printf("start on local-filesystems\n\n")
+
+	    printf("task\n\n")
+
+	    printf("pre-start exec mkdir -p /run/network\n\n")
+
+	    printf("script\n")
+	    printf("    /sbin/ipmgmtd || true\n")
+	    printf("    /sbin/ifconfig-native lo0 plumb\n")
+	    printf("    /sbin/ifconfig-native lo0 up\n")
+	    printf("    /sbin/ifconfig-native lo0 inet6 plumb\n")
+	    printf("    /sbin/ifconfig-native lo0 inet6 up\n")
+	    printf("    /sbin/initctl emit --no-wait net-device-up IFACE=lo LOGICAL=lo ADDRFAM=inet METHOD=loopback || true\n")
+
+        } {
+            if ($1 == "net:") {
+                in_net = 1
+                in_attr = 0
+
+                if (phys != "") {
+                    printf("    /sbin/ifconfig-native %s plumb || true\n", phys)
+                    printf("    /sbin/ifconfig-native %s %s netmask %s up || true\n",
+                        phys, ip, mask)
+                    printf("    /sbin/ifconfig-native %s inet6 plumb up || true\n", phys)
+                    if (prim == "true" && length(gw) > 0)
+		        printf("    /sbin/route add default %s || true\n", gw)
+                    printf("    /sbin/initctl emit --no-wait net-device-up IFACE=%s\n",
+                        phys)
+
+                    phys = ""
+                    prim = ""
+                    gw = ""
+                    ip = ""
+                    mask = ""
+                }
+                next
+
+            } else if ($1 == "attr:") {
+                in_net = 0
+                in_attr = 1
+                next
+            }
+
+            if (in_net == 1) {
+                if ($1 == "physical:") {
+                    phys = $2
+                } else if ($1 == "property:") {
+                    split($2, a, ",")
+                    split(a[1], k, "=")
+                    split(a[2], v, "=")
+
+                    val = substr(v[2], 2)
+                    val = substr(val, 1, length(val) - 2)
+
+                    if (k[2] == "ip")
+                        ip = val
+                    else if (k[2] == "netmask")
+                        mask = val
+                    else if (k[2] == "primary")
+                        prim = val
+                    else if (k[2] == "gateway")
+                        gw = val
+                }
+
+            } else if (in_attr == 1) {
+                if ($1 == "value:") {
+                    nres = split($2, resolvers, ",")
+                }
+            }
+        }
+        END {
+	    printf("    /sbin/ifconfig-native %s plumb || true\n", phys)
+	    printf("    /sbin/ifconfig-native %s %s netmask %s up || true\n",
+		phys, ip, mask)
+	    printf("    /sbin/ifconfig-native %s inet6 plumb up || true\n", phys)
+            if (prim == "true" && length(gw) > 0)
+	        printf("    /sbin/route add default %s || true\n", gw)
+	    printf("    /sbin/initctl emit --no-wait net-device-up IFACE=%s\n",
+		phys)
+
+	    printf("    /sbin/initctl emit --no-wait static-network-up\n")
+
+            for (i = 1; i <= nres; i++)
+                printf("    echo \"nameserver %s\" >> %s\n", resolvers[i],
+                    "/run/resolvconf/resolv.conf")
+
+	    printf("end script\n")
+        }' /tmp/$ZONENAME.$$ > $fnm
+
+        rm -f /tmp/$ZONENAME.$$
+}
+
+disable_svc()
+{
+	fnm=$ZONEROOT/etc/init/$1.override
+	[[ -h $fnm || -f $fnm ]] && return
+	echo "manual" > $fnm
+}
+
+
+RMSVCS="acpid
+	alsa-restore
+	alsa-state
+	alsa-store
+	avahi-cups-reload
+	avahi-daemon
+	bluetooth
+	bootmisc.sh
+	checkroot.sh
+	cloud-init-blocknet
+	cloud-init-container
+	cloud-init-nonet
+	control-alt-delete
+	console-setup
+	dmesg
+	hwclock
+	hwclock-save
+	irqbalance
+	lightdm
+	modemmanager
+	module-init-tools
+	mountdevsubfs.sh
+	mounted-dev
+	mounted-debugfs
+	mountkernfs.sh
+	mtab.sh
+	network-interface-security
+	network-manager
+	plymouth
+	plymouth-log
+	plymouth-splash
+	plymouth-stop
+	plymouth-upstart-bridge
+	pulseaudio
+	setvtrgb
+	systemd-logind
+	tty1
+	tty2
+	tty3
+	tty4
+	tty5
+	tty6
+	upstart-udev-bridge
+	udev
+	udevmonitor
+	udevtrigger
+	udev-fallback-graphics
+	udev-finish
+	ureadahead-other
+	ureadahead
+	whoopsie"
+
+
+#
+# Now customize upstart
+#
+
+for f in $RMSVCS
+do
+	disable_svc $f
+done
+
+# remove these?
+# etc/init.d
+#    networking
+#    umountfs
+
+RMSVCS="kerneloops"
+
+for f in $RMSVCS
+do
+	fnm=$ZONEROOT/etc/init.d/$f
+	[[ ! -h $fnm && -f $fnm ]] && rm -f $fnm
+done
+
+fnm=$ZONEROOT/etc/init/console.conf
+if [[ ! -h $fnm && -f $fnm ]] then
+	sed -e 's/lxc/zones/' $fnm > /tmp/console.conf.$$
+	mv /tmp/console.conf.$$ $fnm
+fi
+
+fnm=$ZONEROOT/etc/init/container-detect.conf
+if [[ ! -h $fnm && -f $fnm ]] then
+	cat <<'DONE' > $fnm
+description "Track if upstart is running in a container"
+
+start on mounted MOUNTPOINT=/run
+
+env container
+env LIBVIRT_LXC_UUID
+
+emits container
+
+pre-start script
+    container=zones
+    echo "$container" > /run/container_type || true
+    initctl emit --no-wait container CONTAINER=$container
+    exit 0
+end script
+DONE
+fi
+
+# XXX need to add real mounting into this svc definition
+
+fnm=$ZONEROOT/etc/init/mountall.conf
+if [[ ! -h $fnm && -f $fnm ]] then
+	cat <<'DONE' > $fnm
+description	"Mount filesystems on boot"
+
+start on startup
+
+task
+
+emits virtual-filesystems
+emits local-filesystems
+emits remote-filesystems
+emits all-swaps
+emits filesystem
+emits mounted
+
+script
+    echo "/ / zfs rw 0 0" > /etc/mtab
+    echo "proc /proc proc rw,noexec,nosuid,nodev 0 0" >> /etc/mtab
+
+    /sbin/initctl emit --no-wait virtual-filesystems
+    /bin/mount -t tmpfs tmpfs /dev/shm || true
+    /bin/mount -t tmpfs tmpfs /run || true
+    /bin/mkdir -p /run/lock || true
+    /bin/ln -s /dev/shm /run/shm || true
+    /sbin/initctl emit --no-wait mounted MOUNTPOINT=/run TYPE=tmpfs
+    /sbin/initctl emit --no-wait local-filesystems
+    /sbin/initctl emit --no-wait all-swaps
+    /sbin/initctl emit --no-wait filesystem
+end script
+DONE
+fi
+
+iptype=`/usr/sbin/zonecfg -z $ZONENAME info ip-type | cut -f2 -d' '`
+
+if [[ "$iptype" == "exclusive" ]]; then
+	fnm=$ZONEROOT/etc/init/networking.conf
+	if [[ ! -h $fnm && -f $fnm ]] then
+		setup_net
+	fi
+fi
+
+fnm=$ZONEROOT/etc/init/ssh.conf
+if [[ ! -h $fnm && -f $fnm && ! -h $ZONEROOT/etc/init/ssh.conf.$$ ]] then
+    awk '{
+        if (substr($0, "start on", 8) == "start on") {
+            print "start on static-network-up"
+        } else if ($0 == "env SSH_SIGSTOP=1") {
+            print "# env SSH_SIGSTOP=1"
+        } else if ($0 == "expect stop") {
+            print "# expect stop"
+        } else {
+            print $0
+        }
+    }' $fnm >$ZONEROOT/etc/init/ssh.conf.$$
+    mv $ZONEROOT/etc/init/ssh.conf.$$ $fnm
+fi
+
+fnm=$ZONEROOT/etc/init/plymouth-ready.conf
+if [[ ! -h $fnm && -f $fnm ]] then
+	cat <<'DONE' > $fnm
+description "Send an event to indicate plymouth is up"
+
+task
+start on startup
+instance $UPSTART_EVENTS
+
+emits plymouth-ready
+
+script
+  initctl emit --no-wait plymouth-ready
+end script
+DONE
+fi
+
+#
+# upstart modifications are complete 
+#
+
+# Hand control back to lx_boot
diff --git a/usr/src/lib/brand/lx/zone/lx_init_zone.ksh b/usr/src/lib/brand/lx/zone/lx_init_zone.ksh
new file mode 100644
index 0000000000..bd377d67a5
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/lx_init_zone.ksh
@@ -0,0 +1,325 @@
+#!/bin/ksh -p
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+# Copyright 2014 Joyent, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# This script contains various routines used to post-process a zone for use
+# with BrandZ after it has been installed from RPM media or a tar image.
+#
+# Briefly, there are three main jobs we need to do:
+#
+# 1) Create any needed directories and symlinks BrandZ needs but that the
+#    Linux install may not create
+#
+# 2) Modify rc scripts to shut off services that don't apply to a zone
+#    or that wish to access hardware directly
+#
+# 3) Modify various Linux system files for use within a zone environment
+#
+
+#
+# Restrict executables to /bin and /usr/bin
+#
+PATH=/bin:/usr/bin
+export PATH
+
+#
+# Sends output to a log file via redirection of stderr.
+#
+# This script assumes its caller has already performed the redirection to the
+# logfile.
+#
+log()
+{
+        echo "$@" >&2
+}
+
+#
+# Setup i18n output
+#
+TEXTDOMAIN="SUNW_OST_OSCMD"
+export TEXTDOMAIN
+
+cmd_failed=$(gettext "%s failed!  Aborting installation...")
+cmd2_failed=$(gettext "%s of '%s' to '%s' failed!")
+create_failed=$(gettext "Could not create new file '%s'!")
+disable_failed=$(gettext "Attempt to disable entries in '%s' failed!")
+install_aborted=$(gettext "Aborting installation...")
+install_noroot=$(gettext "Installation root directory '%s' does not exist.")
+ln_fail=$(gettext "Unable to symlink '%s' to '%s'!")
+mkdir_fail=$(gettext "Unable to create the directory '%s'")
+mod_failed=$(gettext -n "Attempt to modify entries in '%s' failed!")
+
+usage=$(gettext "usage: %s <zonename> <install_root> [mini]")
+
+#
+# Output an internationalized string followed by a carriage return
+#
+i18n_echo()
+{
+	typeset fmt="$1"
+	shift
+
+	printf "$fmt\n" "$@"
+}
+
+#
+# Routine to make a full path out of a supplied path
+#
+fullpath()
+{
+	typeset path="$1"
+
+	echo $path | egrep -s "^/" || path="${PWD:=$(pwd)}/$path"
+	echo $path
+}
+
+#
+# Routine to create directories and handle errors
+#
+makedir()
+{
+	typeset dirname=$(fullpath "$1")
+	typeset mode=""
+
+	[[ $# -eq 2 ]] && mode="-m $2"
+
+	[[ -d "$dirname" ]] && return
+
+	if ! mkdir $mode -p "$dirname"; then
+		log "Unable to create the directory \"$dirname\"!"
+		i18n_echo "$mkdir_fail" "$dirname"
+		echo $(gettext "Aborting installation...")
+		exit 1
+	fi
+}
+
+#
+# Routine to create initial symlinks and handle errors
+#
+symlink()
+{
+	typeset src="$1"
+	typeset dst=$(fullpath "$2")
+
+	[[ -e "$dst" || -h "$dst" ]] && rm -f "$dst"
+	
+	if ! ln -s "$src" "$dst"; then
+		log "Unable to symlink \"$src\" to \"$dst\"!"
+		i18n_echo "$ln_fail" "$src" "$dst"
+		echo $(gettext "Aborting installation...")
+		exit 1
+	fi
+}
+
+#
+# Install a file using "ln -s"
+#
+# Returns 0 on success, 1 on failure.
+#
+install_ln()
+{
+	typeset source="$1"
+	typeset target=$(fullpath "$2")
+
+	log "    Installing \"$target\""
+
+	mv -f "$target" "$target.$tag" 2>/dev/null
+
+	if ! ln -s "$source" "$target"; then
+		log ""
+		log "Attempt to install $target FAILED."
+		return 1
+	fi
+
+	return 0
+}
+
+#
+# The main script starts here.
+#
+# The syntax is:
+#
+#     lx_init_zone <zonename> <rootdir> [mini]
+#
+# Where:
+#	<zonename> is the name of the zone to be modified
+#	<rootdir> is the root of the zone directory to be modified
+#
+#	[mini]	is an optional third argument that signifies whether this is
+#		to be a miniroot install; if it is, NFS services are not enabled
+#		in the processed zone
+#
+unset is_miniroot
+unset install_root
+
+zonename="$1"
+install_root="$2"
+
+tag="lxsave_$(date +%m.%d.%Y@%T)"
+
+if (($# < 2 || $# > 3)); then
+	i18n_echo "$usage" "$0"
+	exit 1
+fi
+
+(($# == 3)) && is_miniroot=1
+
+if [[ ! -d "$install_root" ]]; then
+	i18n_echo "$install_noroot" "$install_root"
+	echo $(gettext "** Installation aborted **")
+	exit 1
+fi
+
+cd "$install_root"
+
+log ""
+log "Initial lx_brand environment modification started `date`"
+log "Making needed directories in \"$install_root\"."
+echo $(gettext "Setting up the initial lx brand environment.")
+
+#
+# Make various directories in /native that are needed to boot an lx branded
+# zone.
+#
+makedir native/dev
+makedir native/etc/default
+makedir native/etc/svc/volatile
+makedir native/lib
+makedir native/proc
+makedir native/tmp 1777
+makedir native/usr
+makedir native/var
+
+#
+# Make various other directories needed for the lx brand
+#
+makedir mnt
+makedir opt
+makedir usr/local/bin
+makedir usr/local/include
+makedir usr/local/lib
+makedir usr/local/sbin
+makedir usr/local/share
+makedir usr/local/src
+
+makedir dev 0755
+makedir tmp 1777
+makedir proc 0555
+makedir boot 0755
+
+#
+# zlogin requires that these utilities live in places other than their
+# Linux defaults, so create appropriate links for them here.
+#
+# XX - The need for these links may go away in the future if zlogin is
+#      appropriately modified
+#
+symlink /bin/sh sbin/sh
+symlink /bin/su usr/bin/su
+symlink /native/usr/lib/ld.so.1 usr/lib/ld.so.1
+
+libpam_so="$(echo lib/libpam.so.0.*)"
+libpam_misc="$(echo lib/libpam_misc.so.0.*)"
+libpamc_so="$(echo lib/libpamc.so.0.*)"
+
+symlink "/$libpam_so" lib/libpam.so.0
+symlink "/$libpam_misc" lib/libpam_misc.so.0
+symlink "/$libpamc_so" lib/libpamc.so.0
+
+log ""
+log "Modifying system configuration in \"$install_root\""
+
+#
+# Create a /var/ld/ld.config that will point to /native/lib for our Solaris
+# libraries.
+#
+log "Creating \"$install_root/var/ld/ld.config\"..."
+
+makedir var/ld
+
+if ! crle -c var/ld/ld.config -l /native/lib:/native/usr/lib \
+     -s /native/lib/secure:/native/usr/lib/secure; then
+	log "\tCreation of \"$install_root/var/ld/ld.config\" failed!"
+	i18n_echo "$cmd_failed" "crle"
+	exit 1
+fi
+
+log ""
+log "Modifying \"$install_root/etc/fstab\"..."
+
+mv -f etc/fstab etc/fstab.$tag 2>/dev/null
+
+cat > etc/fstab <<- EOF
+	none		/			zfs	defaults	1 1
+	proc		/proc			proc	defaults	0 0
+EOF
+
+if [[ $? -ne 0 ]]; then
+	log "Could not create new \"$install_root/etc/fstab\"!"
+	i18n_echo "$create_failed" "$install_root/etc/fstab"
+	exit 1
+fi
+
+if [[ ! -e "$install_root/etc/hosts" ]]; then
+	log ""
+	log "Creating: \"$install_root/etc/hosts\"..."
+
+	cat > "$install_root/etc/hosts" <<-_EOF_
+		127.0.0.1		localhost
+	_EOF_
+fi
+
+#
+# Perform distribution-specific changes.
+#
+distro=""
+if [[ -f etc/redhat-release ]]; then
+	distro="redhat"
+elif [[ -f etc/lsb-release ]]; then
+	if egrep -s Ubuntu etc/lsb-release; then
+		distro="ubuntu"
+	elif [[ -f etc/debian_version ]]; then
+		distro="debian"
+	fi
+elif [[ -f etc/debian_version ]]; then
+	distro="debian"
+fi
+
+if [[ -z $distro ]]; then
+	log ""
+	log "NOTE: Unsupported distribution!"
+	i18n_echo "NOTE: Unsupported distribution!"
+	exit 1
+fi
+
+i18n_echo "Customizing for $distro"
+. $(dirname $0)/lx_init_zone_${distro}
+
+log ""
+log "System configuration modifications complete `date`"
+log ""
+i18n_echo "System configuration modifications complete."
+exit 0
diff --git a/usr/src/lib/brand/lx/zone/lx_init_zone_debian.ksh b/usr/src/lib/brand/lx/zone/lx_init_zone_debian.ksh
new file mode 100644
index 0000000000..57dd4adf54
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/lx_init_zone_debian.ksh
@@ -0,0 +1,242 @@
+#!/bin/ksh -p
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Customisation for Debian-based distributions.  Assumes to have been
+# sourced from lx_init_zone.
+#
+
+
+#
+# The default /etc/inittab spawns getty on each of the virtual consoles
+# as well as xdm on the X console.  Since we don't have virtual consoles nor
+# an X console, spawn a single getty on /dev/console instead.
+#
+# Don't bother changing the file if it looks like we already did.
+#
+if [[ -f etc/inittab ]] && ! egrep -s "Disabled by lx brand" etc/inittab; then
+	log "Modifying: \"$install_root/etc/inittab\"..."
+
+	tmpfile=/tmp/inittab.$$
+
+	sed 's/^[1-6]:/# Disabled by lx brand: &/
+	    s/^id:5:initdefault:/id:3:initdefault: # Modified by lx brand: &/' \
+	    etc/inittab > $tmpfile
+
+	#
+	# Don't bother with further alterations if the sed above failed...
+	#
+	if [[ $? -eq 0 ]]; then
+		egrep -s "console login for lx brand" etc/inittab
+		if [[ $? -ne 0 ]]; then
+			cat >> $tmpfile <<- EOF
+
+				#
+				# console login for lx brand
+				#
+				1:2345:respawn:/sbin/getty 115200 console
+			EOF
+
+			#
+			# Only install the new inittab if the append
+			# above succeeded.
+			#
+			if [[ $? -eq 0 ]]; then
+				#
+				# Attempt to save off the original inittab
+				# before moving over the modified version.
+				#
+				mv -f etc/inittab etc/inittab.$tag 2>/dev/null
+
+				mv -f $tmpfile etc/inittab
+
+				if [[ $? -ne 0 ]]; then
+					log "mv of \"$tmpfile\" to" \
+					    "\"$installroot/etc/inittab\"" \
+					    "failed!"
+					i18n_echo "$cmd2_failed" "mv" \
+					    "$tmpfile" \
+					    "$installroot/etc/inittab"
+					i18n_echo "$install_aborted"
+					exit 1
+				else
+					chmod 644 etc/inittab
+				fi
+			fi
+		fi
+
+	else
+		log "Attempt to disable entries in" \
+		    "\"$install_root/etc/inittab\" failed!"
+		i18n_echo "$disable_failed" "$install_root/etc/inittab"
+		i18n_echo "$install_aborted"
+		exit 1
+	fi
+fi
+
+#
+# Stop rsyslogd logging to /dev/xconsole, we cannot create it and it is
+# unlikely to be useful in our environment.
+#
+if sed -n 115p etc/rsyslog.conf | egrep -s "^	.*\|/dev/xconsole"; then
+	log ""
+	log "Modifying: \"$install_root/etc/rsyslog.conf\"..."
+
+	tmpfile=/tmp/lx_rsyslog.conf.$$
+
+	sed -e '111,115s/^/# Disabled by lx brand/' \
+	    etc/rsyslog.conf > $tmpfile
+
+	if [[ $? -eq 0 ]]; then
+		mv -f etc/rsyslog.conf etc/rsyslog.conf.$tag 2>/dev/null
+
+		if ! mv -f $tmpfile etc/rsyslog.conf; then
+			log "mv of \"$tmpfile\" to" \
+			    "\"$installroot/etc/rsyslog.conf\" failed!"
+			i18n_echo "$cmd2_failed" "mv" "$tmpfile" \
+			    "$installroot/etc/rsyslog.conf"
+			i18n_echo "$install_aborted"
+			exit 1
+		fi
+	else
+		log "Attempt to modify entries in" \
+		    "\"$install_root/sysconfig/syslog\" failed!"
+		i18n_echo "$mod_failed" "$install_root/sysconfig/syslog"
+		i18n_echo "$install_aborted"
+		exit 1
+	fi
+fi
+if grep "^	create_xconsole" etc/init.d/rsyslog >/dev/null 2>&1; then
+	log ""
+	log "Modifying: \"$install_root/etc/init.d/rsyslog\"..."
+
+	tmpfile=/tmp/lx_init_rsyslog.$$
+
+	sed -e '/^	create_xconsol/s/^/# Disabled by lx brand/' \
+	    etc/init.d/rsyslog > $tmpfile
+
+	if [[ $? -eq 0 ]]; then
+		mv -f etc/init.d/rsyslog etc/init.d/rsyslog.$tag 2>/dev/null
+
+		if ! mv -f $tmpfile etc/init.d/rsyslog; then
+			log "mv of \"$tmpfile\" to" \
+			    "\"$installroot/etc/init.d/rsyslog\" failed!"
+			i18n_echo "$cmd2_failed" "mv" "$tmpfile" \
+			    "$installroot/etc/init.d/rsyslog"
+			i18n_echo "$install_aborted"
+			exit 1
+		else
+			chmod 755 etc/init.d/rsyslog
+		fi
+	else
+		log "Attempt to modify entries in" \
+		    "\"$install_root/sysconfig/syslog\" failed!"
+		i18n_echo "$mod_failed" "$install_root/sysconfig/syslog"
+		i18n_echo "$install_aborted"
+		exit 1
+	fi
+fi
+
+#
+# The following scripts attempt to start services or otherwise configure
+# the system in ways incompatible with zones, so don't execute them at boot
+# time.
+#
+log ""
+log "Modifying \"$install_root/etc/init.d\" to disable any"
+log "  services not supported by BrandZ:"
+unsupported_services="
+	bootmisc.sh
+	checkroot.sh
+	hwclock.sh
+	hwclockfirst.sh
+	mountdevsubfs.sh
+	mountkernfs.sh
+	mtab.sh
+	networking
+	umountfs
+"
+
+for file in $unsupported_services; do
+	if [[ -e "etc/init.d/$file" ]]; then
+
+	    if mv -f "etc/init.d/$file" "etc/init.d/$file.$tag"; then
+		    log "    + Moved script \"etc/init.d/$file\" to"
+		    log "          \"etc/init.d/$file.$tag\""
+	    fi
+	fi
+
+	rc_files="$(echo etc/rc[S0-6].d/[SK]+([0-9])$file)"
+
+	if [[ "$rc_files" != "etc/rc[0-6].d/[SK]+([0-9])$file" ]]; then
+		for file in $rc_files; do
+			if [[ -h "$file" ]]; then
+				rm -f "$file" &&
+				    log "    + Removed symbolic link \"$file\""
+			else
+				rm -f "$file" &&
+				    log "    + Removed script \"$file\""
+			fi
+		done
+	fi
+done
+
+#
+# udev isn't usable within the zone
+#
+if [[ -e "sbin/udevd" ]]; then
+    if mv -f "sbin/udevd" "sbin/udevd.$tag"; then
+        log "    + Moved \"sbin/udevd\" to \"sbin/udevd.$tag\""
+    fi
+fi
+
+#
+# Fix mountall
+#
+if [ -f etc/init.d/mountall.sh ]; then
+	tmpfile=etc/init.d/mountall.$$
+	sed 's/mount_run/# disabled for lx brand: &/
+	     s/mount_shm/# disabled for lx brand: &/
+	     s/mount_tmp/# disabled for lx brand: &/
+	     s/pidof \/sbin\/init/false/
+	    ' etc/init.d/mountall.sh > $tmpfile
+	mv -f $tmpfile etc/init.d/mountall.sh
+	chmod +x etc/init.d/mountall.sh
+fi
+
+ip_stack_type=`/usr/sbin/zonecfg -z $zonename info ip-type | cut -d' ' -f2`
+if [[ "$ip_stack_type" == "exclusive" ]]; then
+	# We already moved aside the 'networking' service in the code
+	# above. Setup our own service which will configure the net.
+	cp /usr/lib/brand/lx/lx_networking etc/init.d/networking
+fi
+
+if [[ $distro == "debian" ]]; then
+	# No upstart, setup rc link
+	ln -s ../init.d/networking etc/rcS.d/S10networking
+
+# else  must be Ubuntu, so upstart.
+
+fi
+
+if [[ -f etc/mtab ]]; then
+	log "Modifying: \"$install_root/etc/mtab\"..."
+
+	echo "/ / zfs rw 0 0" > etc/mtab
+	echo "proc /proc proc rw,noexec,nosuid,nodev 0 0" >> etc/mtab
+fi
+
+# Hand control back to lx_init_zone
diff --git a/usr/src/lib/brand/lx/zone/lx_init_zone_redhat.ksh b/usr/src/lib/brand/lx/zone/lx_init_zone_redhat.ksh
new file mode 100644
index 0000000000..a6fe483532
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/lx_init_zone_redhat.ksh
@@ -0,0 +1,453 @@
+#!/bin/ksh -p
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+# Copyright 2014 Joyent, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# Customisation for RedHat-based distributions.  Assumes to have been
+# sourced from lx_init_zone.
+#
+
+enable_nfs_services()
+{
+	log "Non-miniroot install; enabing NFS servers and NFS lock daemon"
+
+	#
+	# Setup files required for NFS:
+	#
+	#       /native/etc/netconfig
+	#       /native/etc/default/nfs
+	#
+	# These two files are treated as read-only in lx branded zones.
+	# To enfore this restriction we will read-only lofs mount them
+	# into the zone from the global zone.  For these lofs mounts to
+	# work we'll need to create empty directories now that will serve
+	# as mount points later.
+	#
+	#       /sbin/rpc.statd
+	#       /sbin/rpc.lockd
+	#
+	# These files are symlinks to scripts supplied by the lx brand
+	# that will start up the solaris nfs daemons.
+	#
+	if { ! makedir native/etc/netconfig ||
+	    ! makedir native/etc/default/nfs ; }; then
+		log "Aborting NFS setup..."
+		log ""
+		return
+	fi
+
+	if { ! install_ln ../native/usr/lib/brand/lx/lx_lockd sbin/rpc.lockd ||
+	    ! install_ln ../native/usr/lib/brand/lx/lx_statd \
+	    sbin/rpc.statd ; }; then
+		log "Aborting NFS setup..."
+		log ""
+		return
+	fi
+
+	#
+	# update /etc/services for NFS
+	#
+	log ""
+	log "Adding lockd entry to \"$install_root/etc/services\"..."
+
+	cp -p $install_root/etc/services $install_root/etc/services.$tag
+
+	#
+	# Brackets in the sed script below contain a space followed by a tab
+	#
+	cat $install_root/etc/services.$tag |
+	    sed 's:\(111\/..p[ 	][ 	]*\):\1rpcbind :' |
+	    cat > $install_root/etc/services
+
+	cat >> $install_root/etc/services <<-EOF
+	lockd		4045/udp		# NFS lock daemon/manager
+	lockd		4045/tcp		# NFS lock daemon/manager
+	EOF
+
+	#
+	# Modify /etc/init.d/nfslock to enable the USERLAND_LOCKD option and to
+	# find some commands in alternate locations.
+	#
+	log ""
+	log "Modifying \"$install_root/etc/init.d/nfslock\"..."
+	cp -p etc/init.d/nfslock etc/init.d/nfslock.$tag
+	cat etc/init.d/nfslock.$tag |
+	    sed '
+		s/USERLAND_LOCKD=$/USERLAND_LOCKD="yes"/
+		s/killproc rpc.statd/killproc statd/
+		s/status rpc.statd/status statd/
+		s/pidof rpc.statd/pidof statd/
+	    ' |
+	    cat > etc/init.d/nfslock
+}
+
+#
+# The default /etc/inittab spawns mingetty on each of the virtual consoles
+# as well as xdm on the X console.  Since we don't have virtual consoles nor
+# an X console, spawn a single mingetty on /dev/console instead.
+#
+# Don't bother changing the file if it looks like we already did.
+#
+if ! egrep -s "Disabled by lx brand" etc/inittab; then
+	log "Modifying: \"$install_root/etc/inittab\"..."
+
+	tmpfile=/tmp/inittab.$$
+
+	sed 's/^[1-6]:/# Disabled by lx brand: &/
+	    s/^id:5:initdefault:/id:3:initdefault: # Modified by lx brand: &/' \
+	    etc/inittab > $tmpfile
+
+	#
+	# Don't bother with further alterations if the sed above failed...
+	#
+	if [[ $? -eq 0 ]]; then
+		egrep -s "console login for lx brand" etc/inittab
+		if [[ $? -ne 0 ]]; then
+			cat >> $tmpfile <<- EOF
+
+				#
+				# console login for lx brand
+				#
+				1:2345:respawn:/sbin/mingetty console
+			EOF
+
+			#
+			# Only install the new inittab if the append
+			# above succeeded.
+			#
+			if [[ $? -eq 0 ]]; then
+				#
+				# Attempt to save off the original inittab
+				# before moving over the modified version.
+				#
+				mv -f etc/inittab etc/inittab.$tag 2>/dev/null
+
+				mv -f $tmpfile etc/inittab
+
+				if [[ $? -ne 0 ]]; then
+					log "mv of \"$tmpfile\" to" \
+					    "\"$installroot/etc/inittab\"" \
+					    "failed!"
+					i18n_echo "$cmd2_failed" "mv" \
+					    "$tmpfile" \
+					    "$installroot/etc/inittab"
+					i18n_echo "$install_aborted"
+					exit 1
+				else
+					chmod 644 etc/inittab
+				fi
+			fi
+		fi
+
+	else
+		log "Attempt to disable entries in" \
+		    "\"$install_root/etc/inittab\" failed!"
+		i18n_echo "$disable_failed" "$install_root/etc/inittab"
+		i18n_echo "$install_aborted"
+		exit 1
+	fi
+fi
+
+#
+# User must configure various brand-specific items to enable networking, so
+# boot the system non-networked.
+#
+log ""
+log "Modifying: \"$install_root/etc/sysconfig/network\"..."
+
+mv -f etc/sysconfig/network etc/sysconfig/network.$tag 2>/dev/null
+
+cat > etc/sysconfig/network <<- EOF
+	NETWORKING="no"
+	#
+	# To enable networking, change the "no" above to "yes" and
+	# uncomment and fill in the following parameters.
+	#
+	# If you are specifying a hostname by name rather than by IP address,
+	# be sure the system can resolve the name properly via the use of a
+	# name service and/or the proper name files, as specified by
+	# nsswitch.conf.  See nsswitch.conf(5) for further details.
+	#
+	# HOSTNAME=your_hostname_here
+	#
+EOF
+
+if [[ $? -ne 0 ]]; then
+	log "Could not create new \"$install_root/etc/sysconfig/network\"!"
+	i18n_echo "$create_failed" "$install_root/etc/sysconfig/network"
+	i18n_echo "$install_aborted"
+	exit 1
+fi
+
+#
+# SELinux must be disabled otherwise we won't get past init.
+#
+if egrep -s "^SELINUX=enforcing" etc/selinux/config; then
+	log "Modifying: \"$install_root/etc/selinux/config\"..."
+
+	tmpfile=/tmp/selinux_config.$$
+
+	sed 's/^SELINUX=enforcing/SELINUX=disabled/' \
+	    etc/selinux/config > $tmpfile
+
+	if [[ $? -eq 0 ]]; then
+		mv -f etc/selinux/config etc/selinux/config.$tag 2>/dev/null
+
+		mv -f $tmpfile etc/selinux/config
+
+		if [[ $? -ne 0 ]]; then
+			log "mv of \"$tmpfile\" to" \
+			    "\"$installroot/etc/selinux/config\"" \
+			    "failed!"
+			i18n_echo "$cmd2_failed" "mv" \
+			    "$tmpfile" \
+			    "$installroot/etc/selinux/config"
+			i18n_echo "$install_aborted"
+			exit 1
+		else
+			chmod 644 etc/selinux/config
+		fi
+	else
+		log "Attempt to disable entries in" \
+		    "\"$install_root/etc/selinux/config\" failed!"
+		i18n_echo "$disable_failed" "$install_root/etc/selinux/config"
+		i18n_echo "$install_aborted"
+		exit 1
+	fi
+fi
+
+if [[ -a etc/sysconfig/syslog ]]; then
+	#
+	# By default, syslogd will attempt to create a socket in /dev/log, but
+	# /dev is not be writable.  Instead, modify /etc/sysconfig/syslog to
+	# tell it to use /var/run/syslog instead, and make /dev/log a symlink
+	# to /var/run/syslog.
+	#
+	log ""
+	log "Modifying: \"$install_root/etc/sysconfig/syslog\"..."
+
+	tmpfile=/tmp/lx_sc.syslog.$$
+
+	sed 's@\(SYSLOGD_OPTIONS="-m 0\)"@\1 -p /var/run/syslog"@' \
+	    etc/sysconfig/syslog > $tmpfile
+
+	#
+	# Only install the new sysconfig/syslog if the edit above succeeded.
+	#
+	if [[ $? -eq 0 ]]; then
+		#
+		# Attempt to save off the original syslog before moving over
+		# the modified version.
+		#
+		mv -f etc/sysconfig/syslog etc/sysconfig/syslog.$tag 2>/dev/null
+
+		if ! mv -f $tmpfile etc/sysconfig/syslog; then
+			log "mv of \"$tmpfile\" to" \
+			    "\"$installroot/etc/sysconfig/syslog\" failed!"
+			i18n_echo "$cmd2_failed" "mv" "$tmpfile" \
+			    "$installroot/etc/sysconfig/syslog"
+			i18n_echo "$install_aborted"
+			exit 1
+		else
+			chmod 755 etc/sysconfig/syslog
+		fi
+	else
+		log "Attempt to modify entries in" \
+		    "\"$install_root/sysconfig/syslog\" failed!"
+		i18n_echo "$mod_failed" "$install_root/sysconfig/syslog"
+		i18n_echo "$install_aborted"
+		exit 1
+	fi
+fi
+
+if [[ $? -ne 0 ]]; then
+	log "Could not create new \"$install_root/etc/sysconfig/syslog\"!"
+	i18n_echo "$create_failed" "$install_root/etc/sysconfig/syslog"
+	i18n_echo "$install_aborted"
+	exit 1
+fi
+
+#
+# /etc/rc.d/init.d/keytable tries to load a physical keyboard map, which won't
+# work in a zone. If we remove etc/sysconfig/keyboard, it won't try this at all.
+#
+mv -f etc/sysconfig/keyboard etc/sysconfig/keyboard.$tag 2>/dev/null
+
+#
+# /etc/rc.d/init.d/gpm tries to configure the console mouse for cut-and-paste
+# text operations, which we don't support.  Removing this file disables the
+# mouse configuration.
+#
+mv -f etc/sysconfig/mouse etc/sysconfig/mouse.$tag 2>/dev/null
+
+#
+# The following scripts attempt to start services or otherwise configure
+# the system in ways incompatible with zones, so don't execute them at boot
+# time.
+#
+log ""
+log "Modifying \"$install_root/etc/rc.d/init.d\" to disable any"
+log "  services not supported by BrandZ:"
+unsupported_services="
+	kudzu
+	microcode_ctl
+	network
+	random
+        pcmcia
+	isdn
+	iptables
+	ip6tables
+	iscsi
+	psacct
+	gpm
+	irda
+	smartd
+	rawdevices
+	netdump
+	hpoj
+	mdmonitor
+	mdmpd
+	irqbalance
+"
+
+for file in $unsupported_services; do
+	if [[ -a "etc/rc.d/init.d/$file" ]]; then
+
+	    if mv -f "etc/rc.d/init.d/$file" "etc/rc.d/init.d/$file.$tag"; then
+		    log "    + Moved script \"etc/rc.d/init.d/$file\" to"
+		    log "          \"etc/rc.d/init.d/$file.$tag\""
+	    fi
+	fi
+
+	rc_files="$(echo etc/rc.d/rc[0-6].d/[SK]+([0-9])$file)"
+
+	if [[ "$rc_files" != "etc/rc.d/rc[0-6].d/[SK]+([0-9])$file" ]]; then
+		for file in $rc_files; do
+			if [[ -h "$file" ]]; then
+				rm -f "$file" &&
+				    log "    + Removed symbolic link \"$file\""
+			else
+				rm -f "$file" &&
+				    log "    + Removed script \"$file\""
+			fi
+		done
+	fi
+done
+
+#
+# There is a lot of stuff in the standard halt and reboot scripts that we
+# have no business running in a zone.  Fortunately, the stuff we want to
+# skip is all in one contiguous chunk.
+#
+# Don't bother to modify the file if it looks like we already did.
+#
+if ! egrep -s "Disabled by lx brand" etc/rc.d/init.d/halt; then
+	log ""
+	log "Modifying  \"$install_root/etc/rc.d/init.d/halt\" for operation"
+	log "  within a zone..."
+	awk 'BEGIN {skip = ""}
+	    /^# Save mixer/ {skip = "# Disabled by lx brand: "}
+	    /halt.local/ {skip = ""}
+	    /./ {print skip $0}' etc/rc.d/init.d/halt > /tmp/halt.$$
+
+	if [[ $? -eq 0 ]]; then
+		mv -f etc/rc.d/init.d/halt etc/rc.d/init.d/halt.$tag 2>/dev/null
+		mv -f /tmp/halt.$$ etc/rc.d/init.d/halt
+		chmod 755 etc/rc.d/init.d/halt
+	else
+		log "Attempt to modify \"$install_root/etc/rc.d/init.d/halt\"" \
+		    "FAILED"
+		log "Continuing with balance of zone setup..."
+	fi
+fi
+
+#
+# Fix up /etc/rc.d/rc.sysinit:
+#
+# 1) /sbin/hwclock requires the iopl() system call, which BrandZ won't support.
+#    Since the hardware clock cannot be set from within a zone, we comment out
+#    the line.
+#
+# 2) Disable dmesg commands, since we don't implement klogctl
+#
+# 3) Disable initlog and the mount of /dev/pts
+#
+# 4) Don't touch /dev/tty* in order to start virtual terminals, as that won't
+#    work from within a zone.
+#
+# 5) Don't try to check the root filesystem (/) as there is no associated
+#    physical device, and any attempt to run fsck will fail.
+#
+# Don't modify the rc.sysinit file if it looks like we already did.
+#
+if ! egrep -s "Disabled by lx brand" etc/rc.d/rc.sysinit; then
+	log ""
+	log "Modifying: \"$install_root/etc/rc.d/rc.sysinit\"..."
+	log ""
+
+	tmpfile=/tmp/lx_rc.sysinit.$$
+
+	sed 's@^/sbin/hwclock@# Disabled by lx brand: &@
+	    s@^HOSTTYPE=@HOSTTYPE=\"s390\" # Spoofed for lx brand: &@
+	    s@/bin/dmesg -n@: # Disabled by lx brand: &@
+	    s@^dmesg -s@# Disabled by lx brand: &@
+	    s@initlog -c \"fsck@: # Disabled by lx brand: &@
+	    s@^.*mount .* /dev/pts$@# Disabled by lx brand: &@' \
+	    etc/rc.d/rc.sysinit > $tmpfile
+
+	#
+	# Only install the new rc.sysinit if the edit above succeeded.
+	#
+	if [[ $? -eq 0 ]]; then
+		#
+		# Attempt to save off the original rc.sysinit
+		# before moving over the modified version.
+		#
+		mv -f etc/rc.d/rc.sysinit etc/rc.d/rc.sysinit.$tag 2>/dev/null
+
+		if ! mv -f $tmpfile etc/rc.d/rc.sysinit; then
+			log "mv of \"$tmpfile\" to" \
+			    "\"$installroot/etc/rc.d/rc.sysinit\" failed!"
+			i18n_echo "$cmd2_failed" "mv" "$tmpfile" \
+			    "$installroot/etc/rc.d/rc.sysinit"
+			i18n_echo "$install_aborted"
+			exit 1
+		else
+			chmod 755 etc/rc.d/rc.sysinit
+		fi
+	else
+		log "Attempt to modify entries in" \
+		    "\"$install_root/rc.d/rc.sysinit\" failed!"
+		i18n_echo "$mod_failed" "$install_root/rc.d/rc.sysinit"
+		i18n_echo "$install_aborted"
+		exit 1
+	fi
+fi
+
+if [[ -z $is_miniroot ]]; then
+	enable_nfs_services || log "NFS services were not properly enabled."
+fi
+
+# Hand control back to lx_init_zone
diff --git a/usr/src/lib/brand/lx/zone/lx_init_zone_ubuntu.ksh b/usr/src/lib/brand/lx/zone/lx_init_zone_ubuntu.ksh
new file mode 100644
index 0000000000..e46c536ea3
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/lx_init_zone_ubuntu.ksh
@@ -0,0 +1,25 @@
+#!/bin/ksh -p
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# Customisation for Ubuntu-based distributions.  Assumes to have been
+# sourced from lx_init_zone.
+#
+
+# Use the debian script to begin with
+. $(dirname $0)/lx_init_zone_debian
+
+# Hand control back to lx_init_zone
diff --git a/usr/src/lib/brand/lx/zone/lx_install.ksh b/usr/src/lib/brand/lx/zone/lx_install.ksh
new file mode 100644
index 0000000000..0814f491a5
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/lx_install.ksh
@@ -0,0 +1,51 @@
+#!/bin/ksh -p
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+# Copyright 2015 Joyent, Inc.  All rights reserved.
+#
+
+PATH=/bin:/usr/bin:/usr/sbin:/usr/sfw/bin
+export PATH
+
+# If we weren't passed 3 arguments, exit now.
+[[ $# -lt 3 ]] && usage
+
+# Extract the brand directory name from the path.
+branddir=$(dirname "$0")
+zonename="$1"
+zoneroot="$2"
+install_src="3"
+install_root="$zoneroot/root"
+
+if [[ ! -f "$install_src" ]]; then
+	echo "$install_src: file not found\n"
+	exit 254
+fi
+
+if [[ ! -d "$install_root" ]]; then
+	if ! mkdir -p "$install_root" 2>/dev/null; then
+		echo "Could not create install directory $install_root"
+		exit 254
+	fi
+fi
+
+if ! ( cd "$install_root" && gtar -xzf "$install_src" ) ; then
+	echo "Error: extraction from tar archive failed"
+	exit 255
+fi
+
+$branddir/lx_init_zone "$zonename" "$install_root"
+if [[ $? -ne 0 ]]; then
+	echo "Install failed"
+	exit 255
+fi
+
+exit 0
diff --git a/usr/src/lib/brand/lx/zone/lx_networking.ksh b/usr/src/lib/brand/lx/zone/lx_networking.ksh
new file mode 100644
index 0000000000..7c1451b2fa
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/lx_networking.ksh
@@ -0,0 +1,74 @@
+#!/bin/sh -e
+### BEGIN INIT INFO
+# Provides:          networking
+# Required-Start:
+# Required-Stop:     $local_fs
+# Should-Start:      ifupdown
+# Should-Stop:       ifupdown
+# Default-Start:
+# Default-Stop:      0 6
+# Short-Description: Raise network interfaces.
+### END INIT INFO
+
+PATH="/sbin:/bin:/usr/sbin:/usr/bin"
+
+[ -x /sbin/ipmgmtd ] || exit 0
+[ -x /sbin/ifconfig ] || exit 0
+
+. /lib/lsb/init-functions
+
+[ -f /etc/default/networking ] && . /etc/default/networking
+
+config_ifs() {
+    if [ ! -f /etc/network/interfaces ]; then
+        return
+    fi
+
+    while read cmd nm typ how; do
+        if [ "$cmd" = "iface" ]; then
+            ifconfig $nm plumb
+            if [ "$nm" != "lo0" ]; then
+                if [ "$how" = "dhcp" ]; then
+                    ifconfig $nm dhcp
+                elif [ "$how" = "static" ]; then
+                    read nxt addr remain
+                    read nxt mask remain
+                    ifconfig $nm inet $addr netmask $mask up
+                fi
+            fi
+        fi
+    done < /etc/network/interfaces
+}
+
+case "$1" in
+start)
+	/sbin/ipmgmtd
+
+	log_action_begin_msg "Configuring network interfaces"
+	config_ifs
+	log_action_end_msg $?
+	;;
+
+stop)
+        log_action_begin_msg "Deconfiguring network interfaces"
+        log_action_end_msg $?
+        ;;
+
+reload)
+        log_action_begin_msg "Reloading network interfaces configuration"
+        log_action_end_msg $?
+        ;;
+
+force-reload|restart)
+        log_warning_msg "Running $0 $1 is deprecated because it may not re-enable some interfaces"
+        log_action_begin_msg "Reconfiguring network interfaces"
+        log_action_end_msg $?
+        ;;
+
+*)
+        echo "Usage: /etc/init.d/networking {start|stop|reload|restart|force-reload}"
+        exit 1
+        ;;
+esac
+
+exit 0
diff --git a/usr/src/lib/brand/lx/zone/platform.xml b/usr/src/lib/brand/lx/zone/platform.xml
new file mode 100644
index 0000000000..482a1e8142
--- /dev/null
+++ b/usr/src/lib/brand/lx/zone/platform.xml
@@ -0,0 +1,152 @@
+<?xml version="1.0"?>
+
+<!--
+ CDDL HEADER START
+
+ The contents of this file are subject to the terms of the
+ Common Development and Distribution License (the "License").
+ You may not use this file except in compliance with the License.
+
+ You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ or http://www.opensolaris.org/os/licensing.
+ See the License for the specific language governing permissions
+ and limitations under the License.
+
+ When distributing Covered Code, include this CDDL HEADER in each
+ file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ If applicable, add the following below this CDDL HEADER, with the
+ fields enclosed by brackets "[]" replaced with your own identifying
+ information: Portions Copyright [yyyy] [name of copyright owner]
+
+ CDDL HEADER END
+
+ Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ Use is subject to license terms.
+ Copyright 2015 Joyent, Inc.
+
+ DO NOT EDIT THIS FILE.
+-->
+
+<!DOCTYPE platform PUBLIC "-//Sun Microsystems Inc//Zones Platform//EN"
+    "file:///usr/share/lib/xml/dtd/zone_platform.dtd.1">
+
+<platform name="lx" allow-exclusive-ip="true">
+	<!-- Global filesystems to mount when booting the zone -->
+	<global_mount special="/dev" directory="/native/dev" type="dev"
+	    opt="attrdir=%R/dev" />
+
+	<!--
+	    Local filesystems to mount when booting the zone. The /native/sbin
+	    entry is needed so that we can replace ifconfig with its native
+	    counterpart (this is required for exclusive-stack zones to work).
+	    We also need dladm from /native/sbin.
+	-->
+	<global_mount special="/lib" directory="/native/lib"
+	    opt="ro" type="lofs" />
+	<global_mount special="/usr" directory="/native/usr"
+	    opt="ro" type="lofs" />
+	<global_mount special="/usr/lib/brand/lx/etc_default_nfs"
+	    directory="/native/etc/default/nfs" type="lofs" opt="ro" />
+	<global_mount special="/etc/netconfig"
+	    directory="/native/etc/netconfig" type="lofs" opt="ro" />
+	<global_mount special="/sbin"
+	    directory="/native/sbin" opt="ro,nodevices" type="lofs" />
+	<global_mount special="/usr/lib/brand/lx/ld" directory="/var/ld"
+	    opt="ro" type="lofs" />
+
+	<!-- Local filesystems to mount when booting the zone -->
+	<mount special="/native/dev" directory="/dev" type="lofs" />
+	<mount special="proc" directory="/native/proc" type="proc" />
+	<mount special="swap" directory="/native/etc/svc/volatile"
+	    type="tmpfs" />
+	<mount special="swap" directory="/native/tmp" type="tmpfs" />
+	<mount special="objfs" directory="/system/object" type="objfs" />
+	<mount special="ctfs" directory="/system/contract" type="ctfs" />
+	<mount special="mnttab" directory="/etc/mnttab" type="mntfs" />
+
+	<!-- Devices to create under /dev -->
+	<device match="arp" />
+	<device match="dtrace/*" />
+	<device match="dtrace/provider/*" />
+	<device match="eventfd" />
+	<device match="inotify" />
+	<device match="ipnet" />
+	<device match="kstat" />
+	<device match="lo0" />
+	<device match="null" />
+	<device match="poll" />
+	<device match="pts/*" />
+	<device match="random" />
+	<device match="tcp" />
+	<device match="tcp6" />
+	<device match="timerfd" />
+	<device match="tty" />
+	<device match="udp" />
+	<device match="udp6" />
+	<device match="urandom" />
+	<device match="zero" />
+	<device match="zfs" />
+	<device match="zvol/dsk/%P/%z/*" />
+	<device match="zvol/rdsk/%P/%z/*" />
+
+	<!-- Devices to create in exclusive IP zone only -->
+	<device match="dld" ip-type="exclusive" />
+	<device match="icmp" ip-type="exclusive" />
+	<device match="icmp6" ip-type="exclusive" />
+	<device match="ip" ip-type="exclusive" />
+	<device match="ip6" ip-type="exclusive" />
+	<device match="ipauth" ip-type="exclusive" />
+	<device match="ipf" ip-type="exclusive" />
+	<device match="ipl" ip-type="exclusive" />
+	<device match="iplookup" ip-type="exclusive" />
+	<device match="ipmpstub" ip-type="exclusive" />
+	<device match="ipnat" ip-type="exclusive" />
+	<device match="ipscan" ip-type="exclusive" />
+	<device match="ipsecah" ip-type="exclusive" />
+	<device match="ipsecesp" ip-type="exclusive" />
+	<device match="ipstate" ip-type="exclusive" />
+	<device match="ipsync" ip-type="exclusive" />
+	<device match="keysock" ip-type="exclusive" />
+	<device match="net/*" ip-type="exclusive" />
+	<device match="rawip" ip-type="exclusive" />
+	<device match="rawip6" ip-type="exclusive" />
+	<device match="rts" ip-type="exclusive" />
+	<device match="sad/admin" ip-type="exclusive" />
+	<device match="sctp" ip-type="exclusive" />
+	<device match="sctp6" ip-type="exclusive" />
+	<device match="spdsock" ip-type="exclusive" />
+	<device match="sppp" ip-type="exclusive" />
+	<device match="sppptun" ip-type="exclusive" />
+	<device match="vni" ip-type="exclusive" />
+
+	<!-- Renamed devices to create under /dev -->
+	<device match="brand/lx/ptmx" name="ptmx" />
+	<device match="zcons/%z/zoneconsole" name="console" />
+	<device match="zfd/%z/slave/0" name="zfd/0" />
+	<device match="zfd/%z/slave/1" name="zfd/1" />
+	<device match="zfd/%z/slave/2" name="zfd/2" />
+
+	<!-- Audio devices to create under /dev -->
+	<device match="brand/lx/dsp" name="dsp" />
+	<device match="brand/lx/mixer" name="mixer" />
+
+	<!-- Symlinks to create under /dev -->
+	<symlink source="fd" target="../proc/self/fd" />
+	<symlink source="stderr" target="../proc/self/fd/2" />
+	<symlink source="stdin" target="../proc/self/fd/0" />
+	<symlink source="stdout" target="../proc/self/fd/1" />
+	<symlink source="systty" target="console" />
+	<symlink source="kmsg" target="console" />
+	<symlink source="conslog" target="log" />
+
+	<!-- Create a mount point for the /dev/initctl fifo -->
+	<device match="null" name="initctl" />
+	<!-- Create a dummy for the /dev/log socket -->
+	<device match="null" name="log" />
+	<!-- Create a mount point for /dev/shm tmpfs (see shm_overview(7)) -->
+	<!-- We need to force a dir for the Linux mount to work ok -->
+	<symlink source="shm/loop" target="." />
+	<!-- Create a dummy /dev/xconsole -->
+	<device match="null" name="xconsole" />
+
+</platform>
diff --git a/usr/src/lib/brand/shared/zone/common.ksh b/usr/src/lib/brand/shared/zone/common.ksh
index 52441d814a..0f87686414 100644
--- a/usr/src/lib/brand/shared/zone/common.ksh
+++ b/usr/src/lib/brand/shared/zone/common.ksh
@@ -19,6 +19,7 @@
 # CDDL HEADER END
 #
 # Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2014, Joyent, Inc. All rights reserved.
 #
 
 #
@@ -96,9 +97,27 @@ vlog()
 safe_dir()
 {
 	typeset dir="$1"
+	typeset pwd_dir=""
 
-	if [[ -h $ZONEROOT/$dir || ! -d $ZONEROOT/$dir ]]; then
-		fatal "$e_baddir" "$dir"
+	if [[ -d $ZONEROOT/$dir ]]; then
+		if [[ -h $ZONEROOT/$dir ]]; then
+			#
+			# When dir is a symlink to a directory, we 'cd' to that
+			# directory to ensure that's under $ZONEROOT. We use pwd
+			# from /usr/bin instead of built-in because they give
+			# different results.
+			#
+			pwd_dir=$(cd $ZONEROOT/$dir && /usr/bin/pwd)
+			if [[ $pwd_dir =~ "^$ZONEROOT" ]]; then
+				return;
+			else
+				fatal \
+				    "$e_baddir: symlink out of zoneroot" "$dir"
+			fi
+		else
+			# it's a dir and not a symlink, so that's ok.
+			return
+		fi
 	fi
 }
 
@@ -109,9 +128,7 @@ safe_opt_dir()
 
 	[[ ! -e $ZONEROOT/$dir ]] && return
 
-	if [[ -h $ZONEROOT/$dir || ! -d $ZONEROOT/$dir ]]; then
-		fatal "$e_baddir" "$dir"
-	fi
+	safe_dir $dir
 }
 
 # Only make a copy if we haven't already done so.
@@ -187,7 +204,7 @@ safe_replace()
 	fi
 
 	cat <<-END >$filename || exit 1
-	#!/bin/sh -p
+	#!/bin/sh
 	#
 	# Solaris Brand Replacement
 	#
@@ -333,10 +350,12 @@ post_unpack()
 	#
 	# Check if the image was created with a valid libc.so.1.
 	#
-	hwcap=`moe -v -32 $ZONEROOT/lib/libc.so.1 2>&1`
-	if (( $? != 0 )); then
-		vlog "$f_hwcap_info" "$hwcap"
-		fail_fatal "$f_sanity_hwcap"
+	if [[ -f $ZONEROOT/lib/libc.so.1 ]]; then
+		hwcap=`moe -v -32 $ZONEROOT/lib/libc.so.1 2>&1`
+		if (( $? != 0 )); then
+			vlog "$f_hwcap_info" "$hwcap"
+			fail_fatal "$f_sanity_hwcap"
+		fi
 	fi
 
 	( cd "$ZONEROOT" && \
@@ -1003,41 +1022,36 @@ install_image()
 	return 0
 }
 
-# Setup i18n output
-TEXTDOMAIN="SUNW_OST_OSCMD"
-export TEXTDOMAIN
-
-e_cannot_wrap=$(gettext "%s: error: wrapper file already exists")
-e_baddir=$(gettext "Invalid '%s' directory within the zone")
-e_badfile=$(gettext "Invalid '%s' file within the zone")
-e_path_abs=$(gettext "Pathname specified to -a '%s' must be absolute.")
-e_not_found=$(gettext "%s: error: file or directory not found.")
-e_install_abort=$(gettext "Installation aborted.")
-e_not_readable=$(gettext "Cannot read directory '%s'")
-e_not_dir=$(gettext "Error: must be a directory")
-e_unknown_archive=$(gettext "Error: Unknown archive format. Must be a flash archive, a cpio archive (can also be gzipped or bzipped), a pax XUSTAR archive, or a level 0 ufsdump archive.")
-e_absolute_archive=$(gettext "Error: archive contains absolute paths instead of relative paths.")
-e_mismatch_archive=$(gettext "Error: the archive top-level directory (%s) does not match the zonepath (%s).")
-e_tmpfile=$(gettext "Unable to create temporary file")
-e_root_full=$(gettext "Zonepath root %s exists and contains data; remove or move aside prior to install.")
-f_mkdir=$(gettext "Unable to create directory %s.")
-f_chmod=$(gettext "Unable to chmod directory %s.")
-f_chown=$(gettext "Unable to chown directory %s.")
-f_hwcap_info=$(gettext "HWCAP: %s\n")
-f_sanity_hwcap=$(gettext \
-"The image was created with an incompatible libc.so.1 hwcap lofs mount.\n"\
+e_cannot_wrap="%s: error: wrapper file already exists"
+e_baddir="Invalid '%s' directory within the zone"
+e_badfile="Invalid '%s' file within the zone"
+e_path_abs="Pathname specified to -a '%s' must be absolute."
+e_not_found="%s: error: file or directory not found."
+e_install_abort="Installation aborted."
+e_not_readable="Cannot read directory '%s'"
+e_not_dir="Error: must be a directory"
+e_unknown_archive="Error: Unknown archive format. Must be a flash archive, a cpio archive (can also be gzipped or bzipped), a pax XUSTAR archive, or a level 0 ufsdump archive."
+e_absolute_archive="Error: archive contains absolute paths instead of relative paths."
+e_mismatch_archive="Error: the archive top-level directory (%s) does not match the zonepath (%s)."
+e_tmpfile="Unable to create temporary file"
+e_root_full="Zonepath root %s exists and contains data; remove or move aside prior to install."
+f_mkdir="Unable to create directory %s."
+f_chmod="Unable to chmod directory %s."
+f_chown="Unable to chown directory %s."
+f_hwcap_info="HWCAP: %s\n"
+f_sanity_hwcap="The image was created with an incompatible libc.so.1 hwcap lofs mount.\n"\
 "       The zone will not boot on this platform.  See the zone's\n"\
-"       documentation for the recommended way to create the archive.")
+"       documentation for the recommended way to create the archive."
 
-m_analyse_archive=$(gettext "Analysing the archive")
+m_analyse_archive="Analysing the archive"
 
-not_readable=$(gettext "Cannot read file '%s'")
-not_flar=$(gettext "Input is not a flash archive")
-bad_flar=$(gettext "Flash archive is a corrupt")
-bad_zfs_flar=$(gettext "Flash archive contains a ZFS send stream.\n\tRecreate the flar using the -L option with cpio or pax.")
-f_unpack_failed=$(gettext "Unpacking the archive failed")
-unknown_archiver=$(gettext "Archiver %s is not supported")
-cmd_not_exec=$(gettext "Required command '%s' not executable!")
+not_readable="Cannot read file '%s'"
+not_flar="Input is not a flash archive"
+bad_flar="Flash archive is a corrupt"
+bad_zfs_flar="Flash archive contains a ZFS send stream.\n\tRecreate the flar using the -L option with cpio or pax."
+f_unpack_failed="Unpacking the archive failed"
+unknown_archiver="Archiver %s is not supported"
+cmd_not_exec="Required command '%s' not executable!"
 
 #
 # Exit values used by the script, as #defined in <sys/zone.h>
diff --git a/usr/src/lib/brand/shared/zone/uninstall.ksh b/usr/src/lib/brand/shared/zone/uninstall.ksh
index 468a7ed92f..923363c864 100644
--- a/usr/src/lib/brand/shared/zone/uninstall.ksh
+++ b/usr/src/lib/brand/shared/zone/uninstall.ksh
@@ -35,31 +35,31 @@ bname=`basename $0`
 #
 # error messages
 #
-m_usage=$(gettext "Usage: %s: [-hFn]")
-
-m_1_zfs_promote=$(gettext "promoting '%s'.")
-m_1_zfs_destroy=$(gettext "destroying '%s'.")
-m_2_zfs_rename=$(gettext "renaming '%s' to '%s'.")
-m_3_zfs_set=$(gettext "setting property %s='%s' for '%s'.")
-m_rm_r=$(gettext "recursively deleting '%s'.")
-m_rm=$(gettext "deleting '%s'.")
-
-w_no_ds=$(gettext "Warning: no zonepath dataset found.")
-
-f_usage_err=$(gettext "Error: invalid usage")
-f_abort=$(gettext "Error: internal error detected, aborting.")
-f_1_zfs_promote=$(gettext "Error: promoting ZFS dataset '%s'.")
-f_2_zfs_rename=$(gettext "Error: renaming ZFS dataset '%s' to '%s'.")
-f_3_zfs_set=$(gettext "Error: setting ZFS propery %s='%s' for '%s'.")
-f_1_zfs_destroy=$(gettext "Error: destroying ZFS dataset.")
-f_2_zfs_get=$(gettext "Error: reading ZFS dataset property '%s' from '%s'.")
-f_user_snap=$(gettext "Error: user snapshot(s) detected.")
-f_stray_snap=$(gettext "Error: uncloned snapshot(s) detected.")
-f_stray_clone=$(gettext "Error: cloned zone datasets found outsize of zone.")
-f_rm_snap=$(gettext "Error: please delete snapshot(s) and retry uninstall.")
-f_rm_clone=$(gettext "Error: please delete clone(s) and retry uninstall.")
-f_iu_clone=$(gettext "Error: cloned zone dataset(s) in use.")
-f_dis_clone=$(gettext "Error: please stop using clone(s) and retry uninstall.")
+m_usage="Usage: %s: [-hFn]"
+
+m_1_zfs_promote="promoting '%s'."
+m_1_zfs_destroy="destroying '%s'."
+m_2_zfs_rename="renaming '%s' to '%s'."
+m_3_zfs_set="setting property %s='%s' for '%s'."
+m_rm_r="recursively deleting '%s'."
+m_rm="deleting '%s'."
+
+w_no_ds="Warning: no zonepath dataset found."
+
+f_usage_err="Error: invalid usage"
+f_abort="Error: internal error detected, aborting."
+f_1_zfs_promote="Error: promoting ZFS dataset '%s'."
+f_2_zfs_rename="Error: renaming ZFS dataset '%s' to '%s'."
+f_3_zfs_set="Error: setting ZFS propery %s='%s' for '%s'."
+f_1_zfs_destroy="Error: destroying ZFS dataset."
+f_2_zfs_get="Error: reading ZFS dataset property '%s' from '%s'."
+f_user_snap="Error: user snapshot(s) detected."
+f_stray_snap="Error: uncloned snapshot(s) detected."
+f_stray_clone="Error: cloned zone datasets found outsize of zone."
+f_rm_snap="Error: please delete snapshot(s) and retry uninstall."
+f_rm_clone="Error: please delete clone(s) and retry uninstall."
+f_iu_clone="Error: cloned zone dataset(s) in use."
+f_dis_clone="Error: please stop using clone(s) and retry uninstall."
 
 #
 # functions
diff --git a/usr/src/lib/brand/sngl/Makefile b/usr/src/lib/brand/sngl/Makefile
new file mode 100644
index 0000000000..780acc21e1
--- /dev/null
+++ b/usr/src/lib/brand/sngl/Makefile
@@ -0,0 +1,51 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2012, Joyent, Inc. All rights reserved.
+#
+
+default: all
+
+include Makefile.sngl
+
+# Build everything in parallel; use .WAIT for dependencies
+.PARALLEL:
+
+SUBDIRS =	sngl_brand zone
+MSGSUBDIRS =	zone
+
+all :=		TARGET= all
+install :=	TARGET= install
+clean :=	TARGET= clean
+clobber :=	TARGET= clobber
+lint :=		TARGET= lint
+_msg :=		TARGET= _msg
+
+.KEEP_STATE:
+
+all install clean clobber lint: $(SUBDIRS)
+
+_msg: $(MSGSUBDIRS)
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
diff --git a/usr/src/lib/brand/sngl/Makefile.sngl b/usr/src/lib/brand/sngl/Makefile.sngl
new file mode 100644
index 0000000000..0c7a280696
--- /dev/null
+++ b/usr/src/lib/brand/sngl/Makefile.sngl
@@ -0,0 +1,28 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2012 Joyent, Inc.  All rights reserved.
+#
+
+BRAND =	sngl
+
+include $(SRC)/lib/brand/Makefile.brand
+
diff --git a/usr/src/lib/brand/sngl/sngl_brand/Makefile b/usr/src/lib/brand/sngl/sngl_brand/Makefile
new file mode 100644
index 0000000000..4b667e1fa8
--- /dev/null
+++ b/usr/src/lib/brand/sngl/sngl_brand/Makefile
@@ -0,0 +1,47 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+include $(SRC)/lib/Makefile.lib
+
+default:	all
+
+SUBDIRS =	$(MACH)
+$(BUILD64)SUBDIRS += $(MACH64)
+
+all :=		TARGET= all
+clean :=	TARGET= clean
+clobber :=	TARGET= clobber
+install :=	TARGET= install
+lint :=		TARGET= lint
+_msg :=		TARGET= _msg
+
+.KEEP_STATE:
+
+all install clean clobber lint _msg: $(SUBDIRS)
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
diff --git a/usr/src/lib/brand/sngl/sngl_brand/Makefile.com b/usr/src/lib/brand/sngl/sngl_brand/Makefile.com
new file mode 100644
index 0000000000..070a03dcb5
--- /dev/null
+++ b/usr/src/lib/brand/sngl/sngl_brand/Makefile.com
@@ -0,0 +1,76 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2012, Joyent, Inc. All rights reserved.
+#
+
+LIBRARY =	sngl_brand.a
+VERS =		.1
+COBJS =		sngl_brand.o
+ASOBJS =	crt.o handler.o runexe.o brand_util.o
+OBJECTS =	$(COBJS)
+
+include ../../Makefile.sngl
+include $(SRC)/lib/Makefile.lib
+
+SRCDIR =	../common
+UTSBASE =	$(SRC)/uts
+
+LIBS =		$(DYNLIB)
+CSRCS =		$(COBJS:%o=../common/%c)
+SHAREDOBJS =	$(ASOBJS:%o=$(ISAOBJDIR)/%o)
+SRCS =		$(CSRCS)
+
+#
+# Note that the architecture specific makefiles MUST update DYNFLAGS to
+# explicitly specify an interpreter for the brand emulation library so that we
+# use /lib/ld.so.1 or /lib/64/ld.so.1, which in a sngl zone is the system
+# linker.
+# 
+# Note that since the linker is used to setup processes before libc is loaded,
+# it makes system calls directly (ie avoiding libc), and it makes these system
+# calls before our library has been initialized. Since our library hasn't been
+# initialized yet, there's no way for us to intercept and emulate any of those
+# system calls. Luckily we don't have to.
+#
+# Note that we make sure to link our brand emulation library to libmapmalloc.
+# This is required because in most cases there will be two copies of libc in
+# the same process and we don't want them to fight over the heap. So for our
+# brand library we link against libmapmalloc so that if we (our or copy of
+# libc) try to allocate any memory it will be done via mmap() instead of brk().
+#
+CPPFLAGS +=	-D_REENTRANT -U_ASM \
+		-I. -I$(BRAND_SHARED)/brand/sys -I$(UTSBASE)/common/brand/sngl
+CFLAGS +=	$(CCVERBOSE)
+DYNFLAGS +=	$(DYNFLAGS_$(CLASS))
+DYNFLAGS +=	$(BLOCAL) $(ZNOVERSION) -Wl,-e_start
+LDLIBS +=	-lc -lmapmalloc
+
+$(LIBS):= PICS += $(SHAREDOBJS)
+
+.KEEP_STATE:
+
+all: $(LIBS)
+
+lint: lintcheck
+
+include $(SRC)/lib/Makefile.targ
diff --git a/usr/src/lib/brand/sngl/sngl_brand/amd64/Makefile b/usr/src/lib/brand/sngl/sngl_brand/amd64/Makefile
new file mode 100644
index 0000000000..d019eaf841
--- /dev/null
+++ b/usr/src/lib/brand/sngl/sngl_brand/amd64/Makefile
@@ -0,0 +1,48 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2012, Joyent, Inc. All rights reserved.
+#
+
+ISAOBJDIR =	$(BRAND_SHARED)/brand/amd64/pics/
+
+include ../Makefile.com
+include $(SRC)/lib/Makefile.lib.64
+
+CPPFLAGS +=     -I$(BRAND_SHARED)/brand/amd64
+
+#
+# see ../Makefile.com for why we MUST explicity make ld.so.1 our interpreter
+#
+DYNFLAGS +=		-Wl,-I/lib/64/ld.so.1
+CPPFLAGS += 		-D_SYSCALL32
+
+# Note that we also set the runtime path for the emulation library to point
+# into /system. This is an attempt to ensure that our brand library get's the
+# native version of libmapmallc.
+#
+DYNFLAGS +=	-R/lib/64 -R/system/usr/lib/64
+
+CLEANFILES +=		$(DYNLIB)
+CLOBBERFILES +=		$(ROOTLIBS64)
+
+install: all $(ROOTLIBS64)
diff --git a/usr/src/lib/brand/sngl/sngl_brand/common/mapfile-vers b/usr/src/lib/brand/sngl/sngl_brand/common/mapfile-vers
new file mode 100644
index 0000000000..29800204f8
--- /dev/null
+++ b/usr/src/lib/brand/sngl/sngl_brand/common/mapfile-vers
@@ -0,0 +1,48 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+#
+# Scope everything local -- our .init section is our only public interface.
+#
+SYMBOL_SCOPE {
+	local:
+		*;
+};
diff --git a/usr/src/lib/brand/sngl/sngl_brand/common/sngl_brand.c b/usr/src/lib/brand/sngl/sngl_brand/common/sngl_brand.c
new file mode 100644
index 0000000000..d2b8d8702d
--- /dev/null
+++ b/usr/src/lib/brand/sngl/sngl_brand/common/sngl_brand.c
@@ -0,0 +1,429 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2012, Joyent, Inc. All rights reserved.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <unistd.h>
+#include <sys/brand.h>
+#include <sys/syscall.h>
+#include <sys/systm.h>
+#include <sys/stat.h>
+#include <libgen.h>
+#include <sys/auxv.h>
+
+#include <sngl_brand.h>
+#include <brand_misc.h>
+
+/*
+ * See usr/src/lib/brand/shared/brand/common/brand_util.c for general
+ * emulation notes.
+ */
+
+#define	CONF32_PATH	"/system/usr/lib/brand/sngl/ld.sys.config"
+#define	CONF64_PATH	"/system/usr/lib/brand/sngl/ld.sys64.config"
+
+brand_sysent_table_t brand_sysent_table[];
+
+static boolean_t is_sys = B_FALSE;
+static boolean_t is_crle = B_FALSE;
+
+typedef struct {
+	char *mnt_name;
+	dev_t mnt_id;
+} sys_mnt_dev_t;
+
+/*
+ * The brand platform mounts several GZ file systems into the zone. We know
+ * which ones can actually be on seperate file systems, so we only stat those
+ * when checking for system commands. This reduces the number of stats needed
+ * when we start up.
+ */
+static sys_mnt_dev_t sys_mounts[] = {
+	{"/system/usr", 0},
+	{"/lib", 0},
+	{NULL, 0}
+};
+
+/*
+ * If this is a /sytem binary and ld.so is opening the default config file,
+ * then redirect so it opens the /system config file instead. We need to do it
+ * this way, instead of setting one of the LD_CONFIG env vars, since those
+ * are ignored for secure binaries.
+ *
+ * We don't redirect if we're crle so that it can still be used on the default
+ * config files.
+ */
+int
+sngl_open(sysret_t *rval, char *path, int oflag, mode_t mode)
+{
+	char tstr[MAXPATHLEN];
+
+	if (is_sys && !is_crle) {
+		/* Get a copy of the path we're trying to open */
+		bzero(tstr, sizeof (tstr));
+		(void) brand_uucopystr(path, tstr, sizeof (tstr));
+
+		if (strcmp(tstr, "/var/ld/ld.config") == 0)
+			return (__systemcall(rval, SYS_open + 1024,
+			    CONF32_PATH, oflag, mode));
+
+		if (strcmp(tstr, "/var/ld/64/ld.config") == 0)
+			return (__systemcall(rval, SYS_open + 1024,
+			    CONF64_PATH, oflag, mode));
+	}
+
+	return (__systemcall(rval, SYS_open + 1024, path, oflag, mode));
+}
+
+/*ARGSUSED*/
+int
+brand_init(int argc, char *argv[], char *envp[])
+{
+	ulong_t		ldentry;
+	int		i;
+	uintptr_t	*p;
+	auxv_t		*ap;
+	struct stat64	buf;
+	char		*bname;
+
+	brand_pre_init();
+
+	/*
+	 * Check if we're trying to run a system binary.
+	 *
+	 * We haven't installed our emulation table yet, so its safe to make
+	 * system calls directly.
+	 *
+	 * First, get the /system devices, then stat the executable to see if
+	 * its on one of the /system devs.
+	 */
+	for (i = 0; sys_mounts[i].mnt_name != NULL; i++) {
+		if (stat64(sys_mounts[i].mnt_name, &buf) != -1)
+			sys_mounts[i].mnt_id = buf.st_dev;
+	}
+
+	/* Find the aux vector on the stack. */
+	p = (uintptr_t *)envp;
+	while (*p != NULL)
+		p++;
+	p++;
+
+	/* Find AT_SUN_EXECNAME */
+	for (ap = (auxv_t *)p; ap->a_type != AT_NULL; ap++) {
+		if (ap->a_type != AT_SUN_EXECNAME)
+			continue;
+		if (stat64(ap->a_un.a_ptr, &buf) != -1) {
+			for (i = 0; sys_mounts[i].mnt_name != NULL; i++) {
+				if (sys_mounts[i].mnt_id == buf.st_dev) {
+					is_sys = B_TRUE;
+					bname = basename(ap->a_un.a_ptr);
+					if (strcmp("crle", bname) == 0)
+						is_crle = B_TRUE;
+					break;
+				}
+			}
+		}
+		break;
+	}
+
+	ldentry = brand_post_init(SNGL_VERSION, argc, argv, envp);
+
+	brand_runexe(argv, ldentry);
+	/*NOTREACHED*/
+	brand_abort(0, "brand_runexe() returned");
+	return (-1);
+}
+
+/*
+ * This table must have at least NSYSCALL entries in it.
+ *
+ * The second parameter of each entry in the brand_sysent_table
+ * contains the number of parameters and flags that describe the
+ * syscall return value encoding.  See the block comments at the
+ * top of this file for more information about the syscall return
+ * value flags and when they should be used.
+ */
+brand_sysent_table_t brand_sysent_table[] = {
+	NOSYS,					/*  0 */
+	NOSYS,					/*   1 */
+	NOSYS,					/*   2 */
+	NOSYS,					/*   3 */
+	NOSYS,					/*   4 */
+	EMULATE(sngl_open, 3 | RV_DEFAULT),	/*   5 */
+	NOSYS,					/*   6 */
+	NOSYS,					/*   7 */
+	NOSYS,					/*   8 */
+	NOSYS,					/*   9 */
+	NOSYS,					/*  10 */
+	NOSYS,					/*  11 */
+	NOSYS,					/*  12 */
+	NOSYS,					/*  13 */
+	NOSYS,					/*  14 */
+	NOSYS,					/*  15 */
+	NOSYS,					/*  16 */
+	NOSYS,					/*  17 */
+	NOSYS,					/*  18 */
+	NOSYS,					/*  19 */
+	NOSYS,					/*  20 */
+	NOSYS,					/*  21 */
+	NOSYS,					/*  22 */
+	NOSYS,					/*  23 */
+	NOSYS,					/*  24 */
+	NOSYS,					/*  25 */
+	NOSYS,					/*  26 */
+	NOSYS,					/*  27 */
+	NOSYS,					/*  28 */
+	NOSYS,					/*  29 */
+	NOSYS,					/*  30 */
+	NOSYS,					/*  31 */
+	NOSYS,					/*  32 */
+	NOSYS,					/*  33 */
+	NOSYS,					/*  34 */
+	NOSYS,					/*  35 */
+	NOSYS,					/*  36 */
+	NOSYS,					/*  37 */
+	NOSYS,					/*  38 */
+	NOSYS,					/*  39 */
+	NOSYS,					/*  40 */
+	NOSYS,					/*  41 */
+	NOSYS,					/*  42 */
+	NOSYS,					/*  43 */
+	NOSYS,					/*  44 */
+	NOSYS,					/*  45 */
+	NOSYS,					/*  46 */
+	NOSYS,					/*  47 */
+	NOSYS,					/*  48 */
+	NOSYS,					/*  49 */
+	NOSYS,					/*  50 */
+	NOSYS,					/*  51 */
+	NOSYS,					/*  52 */
+	NOSYS,					/*  53 */
+	NOSYS,					/*  54 */
+	NOSYS,					/*  55 */
+	NOSYS,					/*  56 */
+	NOSYS,					/*  57 */
+	NOSYS,					/*  58 */
+	NOSYS,					/*  59 */
+	NOSYS,					/*  60 */
+	NOSYS,					/*  61 */
+	NOSYS,					/*  62 */
+	NOSYS,					/*  63 */
+	NOSYS,					/*  64 */
+	NOSYS,					/*  65 */
+	NOSYS,					/*  66 */
+	NOSYS,					/*  67 */
+	NOSYS,					/*  68 */
+	NOSYS,					/*  69 */
+	NOSYS,					/*  70 */
+	NOSYS,					/*  71 */
+	NOSYS,					/*  72 */
+	NOSYS,					/*  73 */
+	NOSYS,					/*  74 */
+	NOSYS,					/*  75 */
+	NOSYS,					/*  76 */
+	NOSYS,					/*  77 */
+	NOSYS,					/*  78 */
+	NOSYS,					/*  79 */
+	NOSYS,					/*  80 */
+	NOSYS,					/*  81 */
+	NOSYS,					/*  82 */
+	NOSYS,					/*  83 */
+	NOSYS,					/*  84 */
+	NOSYS,					/*  85 */
+	NOSYS,					/*  86 */
+	NOSYS,					/*  87 */
+	NOSYS,					/*  88 */
+	NOSYS,					/*  89 */
+	NOSYS,					/*  90 */
+	NOSYS,					/*  91 */
+	NOSYS,					/*  92 */
+	NOSYS,					/*  93 */
+	NOSYS,					/*  94 */
+	NOSYS,					/*  95 */
+	NOSYS,					/*  96 */
+	NOSYS,					/*  97 */
+	NOSYS,					/*  98 */
+	NOSYS,					/*  99 */
+	NOSYS,					/* 100 */
+	NOSYS,					/* 101 */
+	NOSYS,					/* 102 */
+	NOSYS,					/* 103 */
+	NOSYS,					/* 104 */
+	NOSYS,					/* 105 */
+	NOSYS,					/* 106 */
+	NOSYS,					/* 107 */
+	NOSYS,					/* 108 */
+	NOSYS,					/* 109 */
+	NOSYS,					/* 110 */
+	NOSYS,					/* 111 */
+	NOSYS,					/* 112 */
+	NOSYS,					/* 113 */
+	NOSYS,					/* 114 */
+	NOSYS,					/* 115 */
+	NOSYS,					/* 116 */
+	NOSYS,					/* 117 */
+	NOSYS,					/* 118 */
+	NOSYS,					/* 119 */
+	NOSYS,					/* 120 */
+	NOSYS,					/* 121 */
+	NOSYS,					/* 122 */
+	NOSYS,					/* 123 */
+	NOSYS,					/* 124 */
+	NOSYS,					/* 125 */
+	NOSYS,					/* 126 */
+	NOSYS,					/* 127 */
+	NOSYS,					/* 128 */
+	NOSYS,					/* 129 */
+	NOSYS,					/* 130 */
+	NOSYS,					/* 131 */
+	NOSYS,					/* 132 */
+	NOSYS,					/* 133 */
+	NOSYS,					/* 134 */
+	NOSYS,					/* 135 */
+	NOSYS,					/* 136 */
+	NOSYS,					/* 137 */
+	NOSYS,					/* 138 */
+	NOSYS,					/* 139 */
+	NOSYS,					/* 140 */
+	NOSYS,					/* 141 */
+	NOSYS,					/* 142 */
+	NOSYS,					/* 143 */
+	NOSYS,					/* 144 */
+	NOSYS,					/* 145 */
+	NOSYS,					/* 146 */
+	NOSYS,					/* 147 */
+	NOSYS,					/* 148 */
+	NOSYS,					/* 149 */
+	NOSYS,					/* 150 */
+	NOSYS,					/* 151 */
+	NOSYS,					/* 152 */
+	NOSYS,					/* 153 */
+	NOSYS,					/* 154 */
+	NOSYS,					/* 155 */
+	NOSYS,					/* 156 */
+	NOSYS,					/* 157 */
+	NOSYS,					/* 158 */
+	NOSYS,					/* 159 */
+	NOSYS,					/* 160 */
+	NOSYS,					/* 161 */
+	NOSYS,					/* 162 */
+	NOSYS,					/* 163 */
+	NOSYS,					/* 164 */
+	NOSYS,					/* 165 */
+	NOSYS,					/* 166 */
+	NOSYS,					/* 167 */
+	NOSYS,					/* 168 */
+	NOSYS,					/* 169 */
+	NOSYS,					/* 170 */
+	NOSYS,					/* 171 */
+	NOSYS,					/* 172 */
+	NOSYS,					/* 173 */
+	NOSYS,					/* 174 */
+	NOSYS,					/* 175 */
+	NOSYS,					/* 176 */
+	NOSYS,					/* 177 */
+	NOSYS,					/* 178 */
+	NOSYS,					/* 179 */
+	NOSYS,					/* 180 */
+	NOSYS,					/* 181 */
+	NOSYS,					/* 182 */
+	NOSYS,					/* 183 */
+	NOSYS,					/* 184 */
+	NOSYS,					/* 185 */
+	NOSYS,					/* 186 */
+	NOSYS,					/* 187 */
+	NOSYS,					/* 188 */
+	NOSYS,					/* 189 */
+	NOSYS,					/* 190 */
+	NOSYS,					/* 191 */
+	NOSYS,					/* 192 */
+	NOSYS,					/* 193 */
+	NOSYS,					/* 194 */
+	NOSYS,					/* 195 */
+	NOSYS,					/* 196 */
+	NOSYS,					/* 197 */
+	NOSYS,					/* 198 */
+	NOSYS,					/* 199 */
+	NOSYS,					/* 200 */
+	NOSYS,					/* 201 */
+	NOSYS,					/* 202 */
+	NOSYS,					/* 203 */
+	NOSYS,					/* 204 */
+	NOSYS,					/* 205 */
+	NOSYS,					/* 206 */
+	NOSYS,					/* 207 */
+	NOSYS,					/* 208 */
+	NOSYS,					/* 209 */
+	NOSYS,					/* 210 */
+	NOSYS,					/* 211 */
+	NOSYS,					/* 212 */
+	NOSYS,					/* 213 */
+	NOSYS,					/* 214 */
+	NOSYS,					/* 215 */
+	NOSYS,					/* 216 */
+	NOSYS,					/* 217 */
+	NOSYS,					/* 218 */
+	NOSYS,					/* 219 */
+	NOSYS,					/* 220 */
+	NOSYS,					/* 221 */
+	NOSYS,					/* 222 */
+	NOSYS,					/* 223 */
+	NOSYS,					/* 224 */
+	NOSYS,					/* 225 */
+	NOSYS,					/* 226 */
+	NOSYS,					/* 227 */
+	NOSYS,					/* 228 */
+	NOSYS,					/* 229 */
+	NOSYS,					/* 230 */
+	NOSYS,					/* 231 */
+	NOSYS,					/* 232 */
+	NOSYS,					/* 233 */
+	NOSYS,					/* 234 */
+	NOSYS,					/* 235 */
+	NOSYS,					/* 236 */
+	NOSYS,					/* 237 */
+	NOSYS,					/* 238 */
+	NOSYS,					/* 239 */
+	NOSYS,					/* 240 */
+	NOSYS,					/* 241 */
+	NOSYS,					/* 242 */
+	NOSYS,					/* 243 */
+	NOSYS,					/* 244 */
+	NOSYS,					/* 245 */
+	NOSYS,					/* 246 */
+	NOSYS,					/* 247 */
+	NOSYS,					/* 248 */
+	NOSYS,					/* 249 */
+	NOSYS,					/* 250 */
+	NOSYS,					/* 251 */
+	NOSYS,					/* 252 */
+	NOSYS,					/* 253 */
+	NOSYS,					/* 254 */
+	NOSYS					/* 255 */
+};
diff --git a/usr/src/lib/brand/sngl/sngl_brand/i386/Makefile b/usr/src/lib/brand/sngl/sngl_brand/i386/Makefile
new file mode 100644
index 0000000000..a0c4927252
--- /dev/null
+++ b/usr/src/lib/brand/sngl/sngl_brand/i386/Makefile
@@ -0,0 +1,46 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2012, Joyent, Inc. All rights reserved.
+#
+
+ISAOBJDIR =	$(BRAND_SHARED)/brand/i386/pics
+
+include ../Makefile.com
+
+CPPFLAGS +=     -I$(BRAND_SHARED)/brand/i386
+
+#
+# see ../Makefile.com for why we explicity make ld.so.1 our interpreter
+#
+DYNFLAGS +=		-Wl,-I/lib/ld.so.1
+
+# Note that we also set the runtime path for the emulation library to point
+# into /system. This is an attempt to ensure that our brand library get's the
+# native version of libmapmallc.
+#
+DYNFLAGS +=	-R/lib -R/system/usr/lib
+
+CLEANFILES +=		$(DYNLIB)
+CLOBBERFILES +=		$(ROOTLIBS)
+
+install: all $(ROOTLIBS)
diff --git a/usr/src/lib/brand/sngl/zone/Makefile b/usr/src/lib/brand/sngl/zone/Makefile
new file mode 100644
index 0000000000..42785deab3
--- /dev/null
+++ b/usr/src/lib/brand/sngl/zone/Makefile
@@ -0,0 +1,53 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2012 Joyent, Inc.  All rights reserved.
+#
+
+PROGS =		sinstall
+XMLDOCS=	config.xml platform.xml
+CLOBBERFILES=	$(ROOTPROGS) $(ROOTXMLDOCS)
+
+include $(SRC)/cmd/Makefile.cmd
+include ../Makefile.sngl
+
+.KEEP_STATE:
+
+all:	$(PROGS)
+
+POFILES =
+POFILE =
+
+install: $(PROGS) $(ROOTPROGS) $(ROOTXMLDOCS)
+	crle -c $(ROOTBRANDDIR)/ld.sys.config \
+		-l /lib:/system/usr/lib \
+		-s /lib/secure:/system/usr/lib/secure
+	crle -64 -c $(ROOTBRANDDIR)/ld.sys64.config \
+		-l /lib/64:/system/usr/lib/64 \
+		-s /lib/secure/64:/system/usr/lib/secure/64
+
+lint:
+
+clean:
+	-$(RM) $(PROGS)
+
+include $(SRC)/cmd/Makefile.targ
diff --git a/usr/src/lib/brand/sngl/zone/config.xml b/usr/src/lib/brand/sngl/zone/config.xml
new file mode 100644
index 0000000000..b19f42932a
--- /dev/null
+++ b/usr/src/lib/brand/sngl/zone/config.xml
@@ -0,0 +1,113 @@
+<?xml version="1.0"?>
+
+<!--
+ CDDL HEADER START
+
+ The contents of this file are subject to the terms of the
+ Common Development and Distribution License (the "License").
+ You may not use this file except in compliance with the License.
+
+ You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ or http://www.opensolaris.org/os/licensing.
+ See the License for the specific language governing permissions
+ and limitations under the License.
+
+ When distributing Covered Code, include this CDDL HEADER in each
+ file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ If applicable, add the following below this CDDL HEADER, with the
+ fields enclosed by brackets "[]" replaced with your own identifying
+ information: Portions Copyright [yyyy] [name of copyright owner]
+
+ CDDL HEADER END
+
+ Copyright 2015 Joyent, Inc.  All rights reserved.
+ Use is subject to license terms.
+
+ DO NOT EDIT THIS FILE.
+-->
+
+<!DOCTYPE brand PUBLIC "-//Joyent Inc//DTD Brands//EN"
+    "file:///usr/share/lib/xml/dtd/brand.dtd.1">
+
+<brand name="sngl">
+	<modname>sngl_brand</modname>
+
+	<initname>/system/sbin/init</initname>
+	<login_cmd>/system/usr/bin/login -z %Z %u</login_cmd>
+	<forcedlogin_cmd>/system/usr/bin/login -z %Z -f %u</forcedlogin_cmd>
+	<user_cmd>/system/usr/bin/getent passwd %u</user_cmd>
+
+	<install>/usr/lib/brand/sngl/sinstall -z %z -R %R</install>
+	<installopts>R:t:U:q:z:</installopts>
+	<boot></boot>
+	<halt></halt>
+	<verify_cfg></verify_cfg>
+	<verify_adm></verify_adm>
+	<postclone></postclone>
+	<postinstall></postinstall>
+	<attach>/bin/true</attach>
+	<detach>/bin/true</detach>
+	<clone></clone>
+	<uninstall>/usr/lib/brand/joyent/juninstall -z %z -R %R</uninstall>
+	<prestatechange>/usr/lib/brand/joyent/prestate %z %R</prestatechange>
+	<poststatechange>/usr/lib/brand/joyent/poststate %z %R</poststatechange>
+	<query>/usr/lib/brand/joyent/query %z %R</query>
+
+	<privilege set="default" name="contract_event" />
+	<privilege set="default" name="contract_identity" />
+	<privilege set="default" name="contract_observer" />
+	<privilege set="default" name="dtrace_proc" />
+	<privilege set="default" name="dtrace_user" />
+	<privilege set="default" name="file_chown" />
+	<privilege set="default" name="file_chown_self" />
+	<privilege set="default" name="file_dac_execute" />
+	<privilege set="default" name="file_dac_read" />
+	<privilege set="default" name="file_dac_search" />
+	<privilege set="default" name="file_dac_write" />
+	<privilege set="default" name="file_owner" />
+	<privilege set="default" name="file_setid" />
+	<privilege set="default" name="ipc_dac_read" />
+	<privilege set="default" name="ipc_dac_write" />
+	<privilege set="default" name="ipc_owner" />
+	<privilege set="default" name="net_bindmlp" />
+	<privilege set="default" name="net_icmpaccess" />
+	<privilege set="default" name="net_mac_aware" />
+	<privilege set="default" name="net_observability" />
+	<privilege set="default" name="net_privaddr" />
+	<privilege set="default" name="net_rawaccess" ip-type="exclusive" />
+	<privilege set="default" name="proc_chroot" />
+	<privilege set="default" name="sys_audit" />
+	<privilege set="default" name="proc_audit" />
+	<privilege set="default" name="proc_lock_memory" />
+	<privilege set="default" name="proc_owner" />
+	<privilege set="default" name="proc_prioup" />
+	<privilege set="default" name="proc_setid" />
+	<privilege set="default" name="proc_taskid" />
+	<privilege set="default" name="sys_acct" />
+	<privilege set="default" name="sys_admin" />
+	<privilege set="default" name="sys_fs_import" />
+	<privilege set="default" name="sys_ip_config" ip-type="exclusive" />
+	<privilege set="default" name="sys_iptun_config" ip-type="exclusive" />
+	<privilege set="default" name="sys_mount" />
+	<privilege set="default" name="sys_nfs" />
+	<privilege set="default" name="sys_resource" />
+	<privilege set="default" name="sys_ppp_config" ip-type="exclusive" />
+
+	<privilege set="prohibited" name="dtrace_kernel" />
+	<privilege set="prohibited" name="proc_zone" />
+	<privilege set="prohibited" name="sys_config" />
+	<privilege set="prohibited" name="sys_devices" />
+	<privilege set="prohibited" name="sys_ip_config" ip-type="shared" />
+	<privilege set="prohibited" name="sys_linkdir" />
+	<privilege set="prohibited" name="sys_net_config" />
+	<privilege set="prohibited" name="sys_res_config" />
+	<privilege set="prohibited" name="sys_suser_compat" />
+	<privilege set="prohibited" name="xvm_control" />
+	<privilege set="prohibited" name="virt_manage" />
+	<privilege set="prohibited" name="sys_ppp_config" ip-type="shared" />
+
+	<privilege set="required" name="proc_exec" />
+	<privilege set="required" name="proc_fork" />
+	<privilege set="required" name="sys_ip_config" ip-type="exclusive" />
+	<privilege set="required" name="sys_mount" />
+</brand>
diff --git a/usr/src/lib/brand/sngl/zone/platform.xml b/usr/src/lib/brand/sngl/zone/platform.xml
new file mode 100644
index 0000000000..94ba5ca59c
--- /dev/null
+++ b/usr/src/lib/brand/sngl/zone/platform.xml
@@ -0,0 +1,161 @@
+<?xml version="1.0"?>
+
+<!--
+ CDDL HEADER START
+
+ The contents of this file are subject to the terms of the
+ Common Development and Distribution License (the "License").
+ You may not use this file except in compliance with the License.
+
+ You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ or http://www.opensolaris.org/os/licensing.
+ See the License for the specific language governing permissions
+ and limitations under the License.
+
+ When distributing Covered Code, include this CDDL HEADER in each
+ file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ If applicable, add the following below this CDDL HEADER, with the
+ fields enclosed by brackets "[]" replaced with your own identifying
+ information: Portions Copyright [yyyy] [name of copyright owner]
+
+ CDDL HEADER END
+
+ Copyright (c) 2012 Joyent, Inc.  All rights reserved.
+ Use is subject to license terms.
+
+ DO NOT EDIT THIS FILE.
+-->
+
+<!DOCTYPE platform PUBLIC "-//Joyent Inc//Zones Platform//EN"
+    "file:///usr/share/lib/xml/dtd/zone_platform.dtd.1">
+
+<platform name="sngl" allow-exclusive-ip="true">
+
+	<!-- Global filesystems to mount when booting the zone -->
+	<global_mount special="/dev" directory="/dev" type="dev"
+	    opt="attrdir=%R/root/dev"/>
+
+	<global_mount special="/lib" directory="/lib"
+	    opt="ro,nodevices" type="lofs" />
+	<global_mount special="%P/manifests/joyent"
+	    directory="/lib/svc/manifest"
+	    opt="ro,nodevices" type="lofs" />
+	<global_mount special="%R/site" directory="/lib/svc/manifest/site"
+	    opt="nodevices" type="lofs" />
+	<global_mount special="/sbin" directory="/sbin"
+	    opt="ro,nodevices" type="lofs" />
+	<global_mount special="/lib" directory="/system/lib"
+	    opt="ro,nodevices" type="lofs" />
+	<global_mount special="/sbin" directory="/system/sbin"
+	    opt="ro,nodevices" type="lofs" />
+	<global_mount special="/usr" directory="/system/usr"
+	    opt="ro,nodevices" type="lofs" />
+
+	<!-- Local filesystems to mount when booting the zone -->
+	<mount special="/proc" directory="/proc" type="proc" />
+	<mount special="ctfs" directory="/system/contract" type="ctfs" />
+	<mount special="mnttab" directory="/etc/mnttab" type="mntfs" />
+	<mount special="objfs" directory="/system/object" type="objfs" />
+	<mount special="lxproc" directory="/system/lxproc" type="lxproc" />
+	<mount special="swap" directory="/etc/svc/volatile" type="tmpfs" />
+
+	<!-- Devices to create under /dev -->
+	<device match="arp" />
+	<device match="bpf" />
+	<device match="conslog" />
+	<device match="cpu/self/cpuid" />
+	<device match="crypto" />
+	<device match="cryptoadm" />
+	<device match="dsk" />
+	<device match="dtrace/*" />
+	<device match="dtrace/provider/*" />
+	<device match="fd" />
+	<device match="ipnet" />
+	<device match="kstat" />
+	<device match="lo0" />
+	<device match="lofictl" />
+	<device match="lofi" />
+	<device match="log" />
+	<device match="logindmux" />
+	<device match="nsmb" />
+	<device match="net/*" />
+	<device match="null" />
+	<device match="openprom" arch="sparc" />
+	<device match="poll" />
+	<device match="pool" />
+	<device match="ptmx" />
+	<device match="pts/*" />
+	<device match="random" />
+	<device match="rdsk" />
+	<device match="rlofi" />
+	<device match="rmt" />
+	<device match="sad/user" />
+	<device match="svvslo0" />
+	<device match="svvslo1" />
+	<device match="svvslo2" />
+	<device match="svvslo3" />
+	<device match="swap" />
+	<device match="sysevent" />
+	<device match="tap" />
+	<device match="tcp" />
+	<device match="tcp6" />
+	<device match="term" />
+	<device match="ticlts" />
+	<device match="ticots" />
+	<device match="ticotsord" />
+	<device match="tty" />
+	<device match="tun" />
+	<device match="udp" />
+	<device match="udp6" />
+	<device match="urandom" />
+	<device match="vnd/*" />
+	<device match="zero" />
+	<device match="zfs" />
+	<device match="zvol/dsk/%P/%z/*" />
+	<device match="zvol/rdsk/%P/%z/*" />
+
+	<!-- Devices to create in exclusive IP zone only -->
+	<device match="dld" ip-type="exclusive" />
+	<device match="icmp" ip-type="exclusive" />
+	<device match="icmp6" ip-type="exclusive" />
+	<device match="ip" ip-type="exclusive" />
+	<device match="ip6" ip-type="exclusive" />
+	<device match="ipauth" ip-type="exclusive" />
+	<device match="ipd" ip-type="exclusive" />
+	<device match="ipf" ip-type="exclusive" />
+	<device match="ipl" ip-type="exclusive" />
+	<device match="iplookup" ip-type="exclusive" />
+	<device match="ipmpstub" ip-type="exclusive" />
+	<device match="ipnat" ip-type="exclusive" />
+	<device match="ipscan" ip-type="exclusive" />
+	<device match="ipsecah" ip-type="exclusive" />
+	<device match="ipsecesp" ip-type="exclusive" />
+	<device match="ipstate" ip-type="exclusive" />
+	<device match="ipsync" ip-type="exclusive" />
+	<device match="keysock" ip-type="exclusive" />
+	<device match="rawip" ip-type="exclusive" />
+	<device match="rawip6" ip-type="exclusive" />
+	<device match="rts" ip-type="exclusive" />
+	<device match="sad/admin" ip-type="exclusive" />
+	<device match="sctp" ip-type="exclusive" />
+	<device match="sctp6" ip-type="exclusive" />
+	<device match="spdsock" ip-type="exclusive" />
+	<device match="sppp" ip-type="exclusive" />
+	<device match="sppptun" ip-type="exclusive" />
+	<device match="vni" ip-type="exclusive" />
+
+	<!-- Renamed devices to create under /dev -->
+	<device match="zcons/%z/zoneconsole" name="zconsole" />
+
+	<!-- Symlinks to create under /dev -->
+	<symlink source="console" target="zconsole" />
+	<symlink source="dtremote" target="/dev/null" />
+	<symlink source="msglog" target="zconsole" />
+	<symlink source="stderr" target="./fd/2" />
+	<symlink source="stdin" target="./fd/0" />
+	<symlink source="stdout" target="./fd/1" />
+	<symlink source="syscon" target="zconsole" />
+	<symlink source="sysmsg" target="zconsole" />
+	<symlink source="systty" target="zconsole" />
+
+</platform>
diff --git a/usr/src/lib/brand/sngl/zone/sinstall.sh b/usr/src/lib/brand/sngl/zone/sinstall.sh
new file mode 100644
index 0000000000..4928c36304
--- /dev/null
+++ b/usr/src/lib/brand/sngl/zone/sinstall.sh
@@ -0,0 +1,31 @@
+#!/bin/ksh -p
+#
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+# Does this brand support reprovisioning?
+# jst_reprovision="yes"
+
+# Is a template image optional?
+# jst_tmplopt="yes"
+
+. /usr/lib/brand/jcommon/libhooks.ksh
+
+function jcommon_attach_hook
+{
+	jattach_zone_final_setup
+}
+
+. /usr/lib/brand/jcommon/cinstall
diff --git a/usr/src/lib/common/i386/crtn.s b/usr/src/lib/common/i386/crtn.s
index 6e37e25a8f..413c102006 100644
--- a/usr/src/lib/common/i386/crtn.s
+++ b/usr/src/lib/common/i386/crtn.s
@@ -33,7 +33,6 @@
  *
  * For further details - see bug#4433015
  */
-	.ident	"%Z%%M%	%I%	%E% SMI"
 	.file	"crtn.s"
 
 /*
diff --git a/usr/src/lib/fm/topo/libtopo/common/libtopo.h b/usr/src/lib/fm/topo/libtopo/common/libtopo.h
index 3ea35cdddd..e0adb6e0ab 100644
--- a/usr/src/lib/fm/topo/libtopo/common/libtopo.h
+++ b/usr/src/lib/fm/topo/libtopo/common/libtopo.h
@@ -22,6 +22,9 @@
 /*
  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
  */
+/*
+ * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ */
 
 #ifndef _LIBTOPO_H
 #define	_LIBTOPO_H
@@ -389,6 +392,8 @@ extern void topo_hdl_free(topo_hdl_t *, void *, size_t);
 extern int topo_hdl_nvalloc(topo_hdl_t *, nvlist_t **, uint_t);
 extern int topo_hdl_nvdup(topo_hdl_t *, nvlist_t *, nvlist_t **);
 extern char *topo_hdl_strdup(topo_hdl_t *, const char *);
+extern char *topo_hdl_strsplit(topo_hdl_t *, const char *, const char *,
+    char **);
 
 /*
  * Interfaces for converting sensor/indicator types, units, states, etc to
diff --git a/usr/src/lib/fm/topo/libtopo/common/mapfile-vers b/usr/src/lib/fm/topo/libtopo/common/mapfile-vers
index b81f4fd7c6..c6ff800951 100644
--- a/usr/src/lib/fm/topo/libtopo/common/mapfile-vers
+++ b/usr/src/lib/fm/topo/libtopo/common/mapfile-vers
@@ -76,6 +76,7 @@ SYMBOL_VERSION SUNWprivate {
 	topo_hdl_prominfo;
 	topo_hdl_strdup;
 	topo_hdl_strfree;
+	topo_hdl_strsplit;
 	topo_hdl_zalloc;
 	topo_led_state_name;
 	topo_led_type_name;
@@ -118,6 +119,7 @@ SYMBOL_VERSION SUNWprivate {
 	topo_mod_str2nvl;
 	topo_mod_strdup;
 	topo_mod_strfree;
+	topo_mod_strsplit;
 	topo_mod_unload;
 	topo_mod_unregister;
 	topo_mod_walk_init;
diff --git a/usr/src/lib/fm/topo/libtopo/common/topo_mod.h b/usr/src/lib/fm/topo/libtopo/common/topo_mod.h
index 2a137ad388..e6dda440a0 100644
--- a/usr/src/lib/fm/topo/libtopo/common/topo_mod.h
+++ b/usr/src/lib/fm/topo/libtopo/common/topo_mod.h
@@ -22,6 +22,9 @@
 /*
  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
  */
+/*
+ * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ */
 
 #ifndef _TOPO_MOD_H
 #define	_TOPO_MOD_H
@@ -215,6 +218,8 @@ extern void *topo_mod_zalloc(topo_mod_t *, size_t);
 extern void topo_mod_free(topo_mod_t *, void *, size_t);
 extern char *topo_mod_strdup(topo_mod_t *, const char *);
 extern void topo_mod_strfree(topo_mod_t *, char *);
+extern char *topo_mod_strsplit(topo_mod_t *, const char *, const char *,
+    char **);
 extern int topo_mod_nvalloc(topo_mod_t *, nvlist_t **, uint_t);
 extern int topo_mod_nvdup(topo_mod_t *, nvlist_t *, nvlist_t **);
 
diff --git a/usr/src/lib/fm/topo/libtopo/common/topo_string.c b/usr/src/lib/fm/topo/libtopo/common/topo_string.c
index 2c1f451770..2f59013e9e 100644
--- a/usr/src/lib/fm/topo/libtopo/common/topo_string.c
+++ b/usr/src/lib/fm/topo/libtopo/common/topo_string.c
@@ -23,8 +23,9 @@
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ */
 
 #include <strings.h>
 #include <ctype.h>
@@ -56,6 +57,58 @@ topo_hdl_strfree(topo_hdl_t *thp, char *s)
 }
 
 char *
+topo_hdl_strsplit(topo_hdl_t *hdl, const char *input, const char *sep,
+    char **lastp)
+{
+	size_t seplen = strlen(sep);
+	const char *scanstart;
+	char *token;
+	char *ret;
+
+	if (input != NULL) {
+		/*
+		 * Start scanning at beginning of input:
+		 */
+		scanstart = input;
+	} else if (*lastp == NULL) {
+		/*
+		 * If we have already finished scanning, return NULL.
+		 */
+		return (NULL);
+	} else {
+		/*
+		 * Otherwise, start scanning where we left off:
+		 */
+		scanstart = *lastp;
+	}
+
+	token = strstr(scanstart, sep);
+	if (token != NULL) {
+		/*
+		 * We still have a separator, so advance the next-start
+		 * pointer past it:
+		 */
+		*lastp = token + seplen;
+		/*
+		 * Copy out this element.  The buffer must fit the string
+		 * exactly, so that topo_hdl_strfree() can determine its
+		 * size with strlen().
+		 */
+		ret = topo_hdl_alloc(hdl, token - scanstart + 1);
+		(void) strncpy(ret, scanstart, token - scanstart);
+		ret[token - scanstart] = '\0';
+	} else {
+		/*
+		 * We have no separator, so this is the last element:
+		 */
+		*lastp = NULL;
+		ret = topo_hdl_strdup(hdl, scanstart);
+	}
+
+	return (ret);
+}
+
+char *
 topo_mod_strdup(topo_mod_t *mod, const char *s)
 {
 	return (topo_hdl_strdup(mod->tm_hdl, s));
@@ -67,6 +120,13 @@ topo_mod_strfree(topo_mod_t *mod, char *s)
 	topo_hdl_strfree(mod->tm_hdl, s);
 }
 
+char *
+topo_mod_strsplit(topo_mod_t *mod, const char *input, const char *sep,
+    char **lastp)
+{
+	return (topo_hdl_strsplit(mod->tm_hdl, input, sep, lastp));
+}
+
 const char *
 topo_strbasename(const char *s)
 {
diff --git a/usr/src/lib/fm/topo/maps/Joyent,Joyent-Compute-Platform-1101/Joyent-Compute-Platform-1101-disk-hc-topology.xmlgenksh b/usr/src/lib/fm/topo/maps/Joyent,Joyent-Compute-Platform-1101/Joyent-Compute-Platform-1101-disk-hc-topology.xmlgenksh
index 000742db71..874bad142f 100644..100755
--- a/usr/src/lib/fm/topo/maps/Joyent,Joyent-Compute-Platform-1101/Joyent-Compute-Platform-1101-disk-hc-topology.xmlgenksh
+++ b/usr/src/lib/fm/topo/maps/Joyent,Joyent-Compute-Platform-1101/Joyent-Compute-Platform-1101-disk-hc-topology.xmlgenksh
@@ -69,17 +69,19 @@ EOF
 enclosure=1
 bay=0
 slot=0
-devctl='/devices/pci@0,0/pci8086,3c02@1/pci15d9,691@0:devctl'
+devctl0='/devices/pci@0,0/pci8086,3c02@1/pci15d9,691@0:devctl'
+devctl1='/devices/pci@0,0/pci8086,e02@1/pci15d9,691@0:devctl'
 while (( slot <= 7 )); do
-  do_node $bay "Front Disk $bay" "$devctl" $enclosure $slot
+  do_node $bay "Front Disk $bay" "$devctl0|$devctl1" $enclosure $slot
   (( bay = bay + 1 ))
   (( slot = slot + 1 ))
 done
 
 slot=0
-devctl='/devices/pci@0,0/pci8086,3c06@2,2/pci15d9,691@0:devctl'
+devctl0='/devices/pci@0,0/pci8086,3c06@2,2/pci15d9,691@0:devctl'
+devctl1='/devices/pci@0,0/pci8086,e06@2,2/pci15d9,691@0:devctl'
 while (( slot <= 7 )); do
-  do_node $bay "Front Disk $bay" "$devctl" $enclosure $slot
+  do_node $bay "Front Disk $bay" "$devctl0|$devctl1" $enclosure $slot
   (( bay = bay + 1 ))
   (( slot = slot + 1 ))
 done
diff --git a/usr/src/lib/fm/topo/maps/i86pc/i86pc-legacy-hc-topology.xml b/usr/src/lib/fm/topo/maps/i86pc/i86pc-legacy-hc-topology.xml
index fda43bca6c..7d8f85fd88 100644
--- a/usr/src/lib/fm/topo/maps/i86pc/i86pc-legacy-hc-topology.xml
+++ b/usr/src/lib/fm/topo/maps/i86pc/i86pc-legacy-hc-topology.xml
@@ -2,7 +2,7 @@
 <!DOCTYPE topology SYSTEM "/usr/share/lib/xml/dtd/topology.dtd.1">
 <!--
 Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
-Copyright (c) 2013, Joyent, Inc. All rights reserved.
+Copyright (c) 2014, Joyent, Inc. All rights reserved.
 
  CDDL HEADER START
 
@@ -152,7 +152,7 @@ Copyright (c) 2013, Joyent, Inc. All rights reserved.
        </range>
     </set>
 
-    <set type='product' setlist='Joyent-Compute-Platform-1101|Joyent-Compute-Platform-1102'>
+    <set type='product' setlist='Joyent-Compute-Platform-1101|Joyent-Compute-Platform-1102|Joyent-Compute-Platform-2101|Joyent-Compute-Platform-2102'>
        <range name='psu' min='0' max='1'>
           <enum-method name='ipmi' version='1' />
        </range>
diff --git a/usr/src/lib/fm/topo/modules/common/disk/disk_mptsas.c b/usr/src/lib/fm/topo/modules/common/disk/disk_mptsas.c
index db853c6695..beae89f9f1 100644
--- a/usr/src/lib/fm/topo/modules/common/disk/disk_mptsas.c
+++ b/usr/src/lib/fm/topo/modules/common/disk/disk_mptsas.c
@@ -32,11 +32,18 @@
 #include "disk.h"
 #include "disk_drivers.h"
 
+/*
+ * Request the SAS address of the disk (if any) attached to this mpt_sas
+ * instance at (Enclosure Number, Slot Number).  The function returns
+ * -1 on error and sets errno to ENOENT _only_ if the /devices node
+ * (*devctl) does not exist.
+ */
 static int
 get_sas_address(topo_mod_t *mod, char *devctl, uint32_t enclosure,
     uint32_t slot, char **sas_address)
 {
-	int fd, err, i;
+	int ret = -1, en = ENXIO;
+	int fd, i;
 	mptsas_get_disk_info_t gdi;
 	mptsas_disk_info_t *di;
 	size_t disz;
@@ -44,16 +51,19 @@ get_sas_address(topo_mod_t *mod, char *devctl, uint32_t enclosure,
 	bzero(&gdi, sizeof (gdi));
 
 	if ((fd = open(devctl, O_RDWR)) == -1) {
+		en = errno;
 		topo_mod_dprintf(mod, "could not open '%s' for ioctl: %s\n",
 		    devctl, strerror(errno));
+		errno = en;
 		return (-1);
 	}
 
 	if (ioctl(fd, MPTIOCTL_GET_DISK_INFO, &gdi) == -1) {
+		if (errno != ENOENT)
+			en = errno;
 		topo_mod_dprintf(mod, "ioctl 1 on '%s' failed: %s\n", devctl,
 		    strerror(errno));
-		(void) close(fd);
-		return (-1);
+		goto out;
 	}
 
 	gdi.DiskInfoArraySize = disz = sizeof (mptsas_disk_info_t) *
@@ -61,19 +71,19 @@ get_sas_address(topo_mod_t *mod, char *devctl, uint32_t enclosure,
 	gdi.PtrDiskInfoArray = di = topo_mod_alloc(mod, disz);
 	if (di == NULL) {
 		topo_mod_dprintf(mod, "memory allocation failed\n");
-		(void) close(fd);
-		return (-1);
+		en = ENOMEM;
+		goto out;
 	}
 
 	if (ioctl(fd, MPTIOCTL_GET_DISK_INFO, &gdi) == -1) {
+		if (errno != ENOENT)
+			en = errno;
 		topo_mod_dprintf(mod, "ioctl 2 on '%s' failed: %s\n", devctl,
 		    strerror(errno));
 		topo_mod_free(mod, di, disz);
-		(void) close(fd);
-		return (-1);
+		goto out;
 	}
 
-	err = -1;
 	for (i = 0; i < gdi.DiskCount; i++) {
 		if (di[i].Enclosure == enclosure && di[i].Slot == slot) {
 			char sas[17]; /* 16 hex digits and NUL */
@@ -81,14 +91,16 @@ get_sas_address(topo_mod_t *mod, char *devctl, uint32_t enclosure,
 			topo_mod_dprintf(mod, "found mpt_sas disk (%d/%d) "
 			    "with adddress %s\n", enclosure, slot, sas);
 			*sas_address = topo_mod_strdup(mod, sas);
-			err = 0;
+			en = ret = 0;
 			break;
 		}
 	}
 
 	topo_mod_free(mod, di, disz);
+out:
 	(void) close(fd);
-	return (err);
+	errno = en;
+	return (ret);
 }
 
 int
@@ -97,6 +109,8 @@ disk_mptsas_find_disk(topo_mod_t *mod, tnode_t *baynode, char **sas_address)
 	char *devctl = NULL;
 	uint32_t enclosure, slot;
 	int err;
+	char *elem, *lastp;
+	int ret = -1;
 
 	/*
 	 * Get the required properties from the node.  These come from
@@ -115,6 +129,35 @@ disk_mptsas_find_disk(topo_mod_t *mod, tnode_t *baynode, char **sas_address)
 		return (-1);
 	}
 
-	return (get_sas_address(mod, devctl, enclosure, slot, sas_address));
+	/*
+	 * devctl is a (potentially) pipe-separated list of different device
+	 * paths to try.
+	 */
+	if ((elem = topo_mod_strsplit(mod, devctl, "|", &lastp)) != NULL) {
+		boolean_t done = B_FALSE;
+		do {
+			topo_mod_dprintf(mod, "trying mpt_sas instance at %s\n",
+			    elem);
+
+			ret = get_sas_address(mod, elem, enclosure,
+			    slot, sas_address);
+
+			/*
+			 * Only try further devctl paths from the list if this
+			 * one was not found:
+			 */
+			if (ret == 0 || errno != ENOENT) {
+				done = B_TRUE;
+			} else {
+				topo_mod_dprintf(mod, "instance not found\n");
+			}
+
+			topo_mod_strfree(mod, elem);
+
+		} while (!done && (elem = topo_mod_strsplit(mod, NULL, "|",
+		    &lastp)) != NULL);
+	}
 
+	topo_mod_strfree(mod, devctl);
+	return (ret);
 }
diff --git a/usr/src/lib/fm/topo/modules/common/fac_prov_mptsas/fac_prov_mptsas.c b/usr/src/lib/fm/topo/modules/common/fac_prov_mptsas/fac_prov_mptsas.c
index a49a131811..115e3b801d 100644
--- a/usr/src/lib/fm/topo/modules/common/fac_prov_mptsas/fac_prov_mptsas.c
+++ b/usr/src/lib/fm/topo/modules/common/fac_prov_mptsas/fac_prov_mptsas.c
@@ -72,6 +72,12 @@ _topo_fini(topo_mod_t *mod)
 	topo_mod_unregister(mod);
 }
 
+/*
+ * Get or set LED state for a particular target attached to an mpt_sas
+ * instance at (Enclosure Number, Slot Number).  The function returns
+ * -1 on error and sets errno to ENOENT _only_ if the /devices node
+ *  (*devctl) does not exist.
+ */
 static int
 do_led_control(topo_mod_t *mod, char *devctl, uint16_t enclosure,
     uint16_t slot, uint8_t led, uint32_t *ledmode, boolean_t set)
@@ -88,8 +94,10 @@ do_led_control(topo_mod_t *mod, char *devctl, uint16_t enclosure,
 	lc.LedStatus = *ledmode;
 
 	if ((fd = open(devctl, (set ? O_RDWR : O_RDONLY))) == -1) {
+		int en = errno;
 		topo_mod_dprintf(mod, "devctl open failed: %s",
 		    strerror(errno));
+		errno = en;
 		return (-1);
 	}
 
@@ -103,9 +111,11 @@ do_led_control(topo_mod_t *mod, char *devctl, uint16_t enclosure,
 			 */
 			lc.LedStatus = 0;
 		} else {
+			int en = errno;
 			topo_mod_dprintf(mod, "led control ioctl failed: %s",
 			    strerror(errno));
 			(void) close(fd);
+			errno = en;
 			return (-1);
 		}
 	}
@@ -113,6 +123,7 @@ do_led_control(topo_mod_t *mod, char *devctl, uint16_t enclosure,
 	*ledmode = lc.LedStatus ? TOPO_LED_STATE_ON : TOPO_LED_STATE_OFF;
 
 	(void) close(fd);
+	errno = 0;
 	return (0);
 }
 
@@ -127,7 +138,8 @@ mptsas_led_mode(topo_mod_t *mod, tnode_t *node, topo_version_t vers,
 	char *driver = NULL, *devctl = NULL;
 	uint32_t enclosure, slot;
 	uint8_t mptsas_led;
-	boolean_t set;
+	boolean_t set, done;
+	char *elem, *lastp;
 
 	if (vers > TOPO_METH_MPTSAS_LED_MODE_VERSION)
 		return (topo_mod_seterrno(mod, ETOPO_METHOD_VERNEW));
@@ -197,8 +209,41 @@ mptsas_led_mode(topo_mod_t *mod, tnode_t *node, topo_version_t vers,
 		topo_mod_dprintf(mod, "%s: Getting LED mode\n", __func__);
 	}
 
-	if (do_led_control(mod, devctl, enclosure, slot, mptsas_led, &ledmode,
-	    set) != 0) {
+	/*
+	 * devctl is a (potentially) pipe-separated list of different device
+	 * paths to try.
+	 */
+	if ((elem = topo_mod_strsplit(mod, devctl, "|", &lastp)) == NULL) {
+		topo_mod_dprintf(mod, "%s: could not parse devctl list",
+		    __func__);
+		ret = topo_mod_seterrno(mod, EMOD_UNKNOWN);
+		goto out;
+	}
+	done = B_FALSE;
+	do {
+		topo_mod_dprintf(mod, "%s: trying mpt_sas instance at %s\n",
+		    __func__, elem);
+
+		ret = do_led_control(mod, elem, enclosure, slot,
+		    mptsas_led, &ledmode, set);
+
+		/*
+		 * Only try further devctl paths from the list if this one
+		 * was not found:
+		 */
+		if (ret == 0 || errno != ENOENT) {
+			done = B_TRUE;
+		} else {
+			topo_mod_dprintf(mod, "%s: instance not found\n",
+			    __func__);
+		}
+
+		topo_mod_strfree(mod, elem);
+
+	} while (!done && (elem = topo_mod_strsplit(mod, NULL, "|",
+	    &lastp)) != NULL);
+
+	if (ret != 0) {
 		topo_mod_dprintf(mod, "%s: do_led_control failed", __func__);
 		ret = topo_mod_seterrno(mod, EMOD_UNKNOWN);
 		goto out;
diff --git a/usr/src/lib/krb5/plugins/preauth/pkinit/Makefile.com b/usr/src/lib/krb5/plugins/preauth/pkinit/Makefile.com
index 8449d22e24..07fcb2bbf7 100644
--- a/usr/src/lib/krb5/plugins/preauth/pkinit/Makefile.com
+++ b/usr/src/lib/krb5/plugins/preauth/pkinit/Makefile.com
@@ -70,7 +70,7 @@ CERRWARN	+= -_gcc=-Wno-unused-function
 
 CFLAGS +=	$(CCVERBOSE) -I..
 DYNFLAGS +=	$(KRUNPATH) $(KMECHLIB) -znodelete
-LDLIBS +=	-L $(ROOTLIBDIR) -lcrypto -lc
+LDLIBS +=	-L $(ROOTLIBDIR) -lsunw_crypto -lc
 
 ROOTLIBDIR= $(ROOT)/usr/lib/krb5/plugins/preauth
 
diff --git a/usr/src/lib/libbc/inc/include/sys/socket.h b/usr/src/lib/libbc/inc/include/sys/socket.h
index 03961f805b..6607721e62 100644
--- a/usr/src/lib/libbc/inc/include/sys/socket.h
+++ b/usr/src/lib/libbc/inc/include/sys/socket.h
@@ -3,8 +3,6 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 /*
  * Copyright (c) 1982, 1985, 1986 Regents of the University of California.
  * All rights reserved.  The Berkeley software License Agreement
@@ -169,6 +167,4 @@ struct msghdr {
 #define	MSG_PEEK	0x2		/* peek at incoming message */
 #define	MSG_DONTROUTE	0x4		/* send without using routing tables */
 
-#define	MSG_MAXIOVLEN	16
-
 #endif /*!_sys_socket_h*/
diff --git a/usr/src/lib/libbc/libc/sys/common/flock.c b/usr/src/lib/libbc/libc/sys/common/flock.c
index 1c34632344..9c5f17e77d 100644
--- a/usr/src/lib/libbc/libc/sys/common/flock.c
+++ b/usr/src/lib/libbc/libc/sys/common/flock.c
@@ -22,10 +22,9 @@
 /*
  * Copyright 1990 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <sys/file.h>
 #include <sys/fcntl.h>
 
@@ -33,7 +32,7 @@ int flock(fd, operation)
 int fd, operation;
 {
 	struct flock fl;
-	int cmd = F_SETLKW;
+	int cmd = F_FLOCKW;
 
 	fl.l_whence = 0;
 	fl.l_start = 0;
@@ -46,6 +45,6 @@ int fd, operation;
 	if (operation & LOCK_EX)
 		fl.l_type |= F_WRLCK;
 	if (operation & LOCK_NB) 
-		cmd = F_SETLK;
+		cmd = F_FLOCK;
 	return(bc_fcntl(fd, cmd, &fl));
 }
diff --git a/usr/src/lib/libbe/common/be_list.c b/usr/src/lib/libbe/common/be_list.c
index 8d355e865a..e8fbe3d994 100644
--- a/usr/src/lib/libbe/common/be_list.c
+++ b/usr/src/lib/libbe/common/be_list.c
@@ -25,6 +25,7 @@
 
 /*
  * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
+ * Copyright 2011 Joyent, Inc. All rights reserved.
  * Copyright 2015 Toomas Soome <tsoome@me.com>
  */
 
diff --git a/usr/src/lib/libbrand/common/libbrand.c b/usr/src/lib/libbrand/common/libbrand.c
index 7d34df9e58..b865a43ca2 100644
--- a/usr/src/lib/libbrand/common/libbrand.c
+++ b/usr/src/lib/libbrand/common/libbrand.c
@@ -323,6 +323,7 @@ i_substitute_tokens(const char *sbuf, char *dbuf, int dbuf_size,
     const char *curr_zone)
 {
 	int dst, src;
+	static char *env_pool = NULL;
 
 	/*
 	 * Walk through the characters, substituting values as needed.
@@ -339,6 +340,13 @@ i_substitute_tokens(const char *sbuf, char *dbuf, int dbuf_size,
 		case '%':
 			dst += strlcpy(dbuf + dst, "%", dbuf_size - dst);
 			break;
+		case 'P':
+			if (env_pool == NULL)
+				env_pool = getenv("_ZONEADMD_ZPOOL");
+			if (env_pool == NULL)
+				break;
+			dst += strlcpy(dbuf + dst, env_pool, dbuf_size - dst);
+			break;
 		case 'R':
 			if (zonepath == NULL)
 				break;
diff --git a/usr/src/lib/libbsm/common/adt.c b/usr/src/lib/libbsm/common/adt.c
index 8c7b299e32..4cf0dd7566 100644
--- a/usr/src/lib/libbsm/common/adt.c
+++ b/usr/src/lib/libbsm/common/adt.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2013, Joyent, Inc. All rights reserved.
  */
 
 #include <bsm/adt.h>
@@ -702,7 +703,37 @@ adt_get_hostIP(const char *hostname, au_tid_addr_t *p_term)
 	int	tries = 3;
 	char	msg[512];
 	int	eai_err;
+	struct ifaddrlist al;
+	int	family;
+	boolean_t found = B_FALSE;
 
+	/*
+	 * getaddrinfo can take a long time to timeout if it can't map the
+	 * hostname to an IP address so try to get an IP address from a local
+	 * interface first.
+	 */
+	family = AF_INET6;
+	if (adt_get_local_address(family, &al) == 0) {
+		found = B_TRUE;
+	} else {
+		family = AF_INET;
+		if (adt_get_local_address(family, &al) == 0)
+			found = B_TRUE;
+	}
+
+	if (found) {
+		if (family == AF_INET) {
+			p_term->at_type = AU_IPv4;
+			(void) memcpy(p_term->at_addr, &al.addr.addr, AU_IPv4);
+		} else {
+			p_term->at_type = AU_IPv6;
+			(void) memcpy(p_term->at_addr, &al.addr.addr6, AU_IPv6);
+		}
+
+		return (0);
+	}
+
+	/* Now try getaddrinfo */
 	while ((tries-- > 0) &&
 	    ((eai_err = getaddrinfo(hostname, NULL, NULL, &ai)) != 0)) {
 		/*
@@ -739,7 +770,9 @@ adt_get_hostIP(const char *hostname, au_tid_addr_t *p_term)
 		}
 		freeaddrinfo(ai);
 		return (0);
-	} else if (auditstate & (AUC_AUDITING | AUC_NOSPACE)) {
+	}
+
+	if (auditstate & (AUC_AUDITING | AUC_NOSPACE)) {
 		auditinfo_addr_t  audit_info;
 
 		/*
@@ -747,58 +780,23 @@ adt_get_hostIP(const char *hostname, au_tid_addr_t *p_term)
 		 * kernel audit context
 		 */
 		if (auditon(A_GETKAUDIT, (caddr_t)&audit_info,
-		    sizeof (audit_info)) < 0) {
-			adt_write_syslog("unable to get kernel audit context",
-			    errno);
-			goto try_interface;
+		    sizeof (audit_info)) >= 0) {
+			adt_write_syslog("setting Audit IP address to kernel",
+			    0);
+			*p_term = audit_info.ai_termid;
+			return (0);
 		}
-		adt_write_syslog("setting Audit IP address to kernel", 0);
-		*p_term = audit_info.ai_termid;
-		return (0);
+		adt_write_syslog("unable to get kernel audit context", errno);
 	}
-try_interface:
-	{
-		struct ifaddrlist al;
-		int	family;
-		char	ntop[INET6_ADDRSTRLEN];
-
-		/*
-		 * getaddrinfo has failed to map the hostname
-		 * to an IP address, try to get an IP address
-		 * from a local interface.  If none up, default
-		 * to loopback.
-		 */
-		family = AF_INET6;
-		if (adt_get_local_address(family, &al) != 0) {
-			family = AF_INET;
-
-			if (adt_get_local_address(family, &al) != 0) {
-				adt_write_syslog("adt_get_local_address "
-				    "failed, no Audit IP address available, "
-				    "faking loopback and error",
-				    errno);
-				IN_SET_LOOPBACK_ADDR(
-				    (struct sockaddr_in *)&(al.addr.addr));
-				(void) memcpy(p_term->at_addr, &al.addr.addr,
-				    AU_IPv4);
-				p_term->at_type = AU_IPv4;
-				return (-1);
-			}
-		}
-		if (family == AF_INET) {
-			p_term->at_type = AU_IPv4;
-			(void) memcpy(p_term->at_addr, &al.addr.addr, AU_IPv4);
-		} else {
-			p_term->at_type = AU_IPv6;
-			(void) memcpy(p_term->at_addr, &al.addr.addr6, AU_IPv6);
-		}
 
-		(void) snprintf(msg, sizeof (msg), "mapping %s to %s",
-		    hostname, inet_ntop(family, &(al.addr), ntop,
-		    sizeof (ntop)));
-		adt_write_syslog(msg, 0);
-		return (0);
-	}
+	/* No mapping, default to loopback. */
+	errno = ENETDOWN;
+	adt_write_syslog("adt_get_local_address failed, no Audit IP address "
+	    "available, faking loopback and error", errno);
+	IN_SET_LOOPBACK_ADDR((struct sockaddr_in *)&(al.addr.addr));
+	(void) memcpy(p_term->at_addr, &al.addr.addr, AU_IPv4);
+	p_term->at_type = AU_IPv4;
+	return (-1);
 }
 
 /*
@@ -2093,8 +2091,8 @@ adt_selected(struct adt_event_state *event, au_event_t actual_id, int status)
 }
 
 /*
- * Can't map the host name to an IP address in
- * adt_get_hostIP.  Get something off an interface
+ * Before trying to map the host name to an IP address in
+ * adt_get_hostIP, get something off an interface
  * to act as the hosts IP address for auditing.
  */
 
diff --git a/usr/src/lib/libbunyan/Makefile b/usr/src/lib/libbunyan/Makefile
new file mode 100644
index 0000000000..a59de91113
--- /dev/null
+++ b/usr/src/lib/libbunyan/Makefile
@@ -0,0 +1,42 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.
+#
+
+include		../Makefile.lib
+
+HDRS =		bunyan.h
+HDRDIR =	common
+SUBDIRS =	$(MACH)
+$(BUILD64)SUBDIRS +=	$(MACH64)
+
+all :=		TARGET = all
+clean :=	TARGET = clean
+clobber :=	TARGET = clobber
+install :=	TARGET = install
+lint :=		TARGET = lint
+
+.KEEP_STATE:
+
+all clean clobber install lint: $(SUBDIRS)
+
+install_h: 	$(ROOTHDRS)
+
+check:		$(CHECKHDRS)
+
+$(SUBDIRS):  FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
+
+include ../Makefile.targ
diff --git a/usr/src/lib/libbunyan/Makefile.com b/usr/src/lib/libbunyan/Makefile.com
new file mode 100644
index 0000000000..5214915c56
--- /dev/null
+++ b/usr/src/lib/libbunyan/Makefile.com
@@ -0,0 +1,36 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc. All rights reserved.
+#
+
+LIBRARY =	libbunyan.a
+VERS =		.1
+OBJECTS =	bunyan.o
+USDT_PROVIDERS =	bunyan_provider.d
+
+include ../../Makefile.lib
+
+LIBS =		$(DYNLIB) $(LINTLIB)
+LDLIBS +=	-lc -lumem -lnvpair -lnsl
+CPPFLAGS +=	-I../common -I. -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64
+
+SRCDIR =	../common
+
+.KEEP_STATE:
+
+all:	$(LIBS)
+
+lint:	lintcheck
+
+include ../../Makefile.targ
+include ../../Makefile.usdt
diff --git a/usr/src/lib/libbunyan/amd64/Makefile b/usr/src/lib/libbunyan/amd64/Makefile
new file mode 100644
index 0000000000..15d904c616
--- /dev/null
+++ b/usr/src/lib/libbunyan/amd64/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.com
+include ../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/libbunyan/common/bunyan.c b/usr/src/lib/libbunyan/common/bunyan.c
new file mode 100644
index 0000000000..149702a38f
--- /dev/null
+++ b/usr/src/lib/libbunyan/common/bunyan.c
@@ -0,0 +1,913 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <stdarg.h>
+#include <umem.h>
+#include <netdb.h>
+#include <string.h>
+#include <strings.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/sysmacros.h>
+#include <thread.h>
+#include <sys/debug.h>
+
+#include <bunyan.h>
+#include <bunyan_provider_impl.h>
+
+struct bunyan_key;
+struct bunyan_stream;
+struct bunyan;
+
+typedef struct bunyan_stream {
+	struct bunyan_stream	*bs_next;
+	char			*bs_name;
+	bunyan_level_t		bs_level;
+	bunyan_stream_f		bs_func;
+	void			*bs_arg;
+	uint_t			bs_count;
+} bunyan_stream_t;
+
+typedef struct bunyan_key {
+	struct bunyan_key	*bk_next;
+	char			*bk_name;
+	bunyan_type_t		bk_type;
+	void			*bk_data;
+	size_t			bk_len;
+} bunyan_key_t;
+
+typedef struct bunyan {
+	pthread_mutex_t	bun_lock;
+	bunyan_key_t	*bun_keys;
+	bunyan_stream_t	*bun_streams;
+	char		*bun_name;
+	char		bun_host[MAXHOSTNAMELEN+1];
+} bunyan_t;
+
+#define	ISO_TIMELEN	25
+static const int bunyan_version = 0;
+
+static void
+bunyan_key_fini(bunyan_key_t *bkp)
+{
+	size_t nlen = strlen(bkp->bk_name) + 1;
+	umem_free(bkp->bk_data, bkp->bk_len);
+	umem_free(bkp->bk_name, nlen);
+	umem_free(bkp, sizeof (bunyan_key_t));
+}
+
+static void
+bunyan_stream_fini(bunyan_stream_t *bsp)
+{
+	size_t nlen = strlen(bsp->bs_name) + 1;
+	umem_free(bsp->bs_name, nlen);
+	umem_free(bsp, sizeof (bunyan_stream_t));
+}
+
+int
+bunyan_init(const char *name, bunyan_logger_t **bhp)
+{
+	int ret;
+	bunyan_t *b;
+	size_t nlen = strlen(name) + 1;
+
+	b = umem_zalloc(sizeof (bunyan_t), UMEM_DEFAULT);
+	if (b == NULL)
+		return (ENOMEM);
+
+	b->bun_name = umem_alloc(nlen, UMEM_DEFAULT);
+	if (b->bun_name == NULL) {
+		umem_free(b, sizeof (bunyan_t));
+		return (ENOMEM);
+	}
+	bcopy(name, b->bun_name, nlen);
+
+	if ((ret = pthread_mutex_init(&b->bun_lock, NULL)) != 0) {
+		umem_free(b->bun_name, nlen);
+		umem_free(b, sizeof (bunyan_t));
+		return (ret);
+	}
+
+	VERIFY(gethostname(b->bun_host, sizeof (b->bun_host)) == 0);
+	b->bun_host[MAXHOSTNAMELEN] = '\0';
+
+	*bhp = (bunyan_logger_t *)b;
+	return (0);
+}
+
+void
+bunyan_fini(bunyan_logger_t *bhp)
+{
+	bunyan_t *b = (bunyan_t *)bhp;
+	bunyan_key_t *bkp;
+	bunyan_stream_t *bsp;
+
+	while ((bkp = b->bun_keys) != NULL) {
+		b->bun_keys = bkp->bk_next;
+		bunyan_key_fini(bkp);
+	}
+
+	while ((bsp = b->bun_streams) != NULL) {
+		b->bun_streams = bsp->bs_next;
+		bunyan_stream_fini(bsp);
+	}
+
+	if (b->bun_name != NULL)
+		umem_free(b->bun_name, strlen(b->bun_name) + 1);
+
+	VERIFY(pthread_mutex_destroy(&b->bun_lock) == 0);
+	umem_free(b, sizeof (bunyan_t));
+}
+
+/* ARGSUSED */
+int
+bunyan_stream_fd(nvlist_t *nvl, const char *js, void *arg)
+{
+	uintptr_t fd = (uintptr_t)arg;
+	size_t jslen = strlen(js);
+	off_t off = 0;
+	ssize_t ret = 0;
+	static int maxbuf = -1;
+
+	if (maxbuf == -1)
+		maxbuf = getpagesize();
+
+	while (off != jslen) {
+		/*
+		 * Write up to a page of data at a time. If for some reason an
+		 * individual write fails, move on and try to still write a new
+		 * line at least...
+		 */
+		ret = write(fd, js + off, MIN(jslen - off, maxbuf));
+		if (ret < 0)
+			break;
+		off += ret;
+	}
+
+	if (ret < 0) {
+		(void) write(fd, "\n", 1);
+	} else {
+		ret = write(fd, "\n", 1);
+	}
+	return (ret < 0 ? 1: 0);
+}
+
+int
+bunyan_stream_add(bunyan_logger_t *bhp, const char *name, int level,
+    bunyan_stream_f func, void *arg)
+{
+	bunyan_stream_t *bs, *cur;
+	size_t nlen = strlen(name) + 1;
+	bunyan_t *b = (bunyan_t *)bhp;
+
+	if (level != BUNYAN_L_TRACE &&
+	    level != BUNYAN_L_DEBUG &&
+	    level != BUNYAN_L_INFO &&
+	    level != BUNYAN_L_WARN &&
+	    level != BUNYAN_L_ERROR &&
+	    level != BUNYAN_L_FATAL)
+		return (EINVAL);
+
+	bs = umem_alloc(sizeof (bunyan_stream_t), UMEM_DEFAULT);
+	if (bs == NULL)
+		return (ENOMEM);
+
+	bs->bs_name = umem_alloc(nlen, UMEM_DEFAULT);
+	if (bs->bs_name == NULL) {
+		umem_free(bs, sizeof (bunyan_stream_t));
+		return (ENOMEM);
+	}
+	bcopy(name, bs->bs_name, nlen);
+	bs->bs_level = level;
+	bs->bs_func = func;
+	bs->bs_arg = arg;
+	bs->bs_count = 0;
+	(void) pthread_mutex_lock(&b->bun_lock);
+	cur = b->bun_streams;
+	while (cur != NULL) {
+		if (strcmp(name, cur->bs_name) == 0) {
+			(void) pthread_mutex_unlock(&b->bun_lock);
+			umem_free(bs->bs_name, nlen);
+			umem_free(bs, sizeof (bunyan_stream_t));
+			return (EEXIST);
+		}
+		cur = cur->bs_next;
+	}
+	bs->bs_next = b->bun_streams;
+	b->bun_streams = bs;
+	(void) pthread_mutex_unlock(&b->bun_lock);
+
+	return (0);
+}
+
+int
+bunyan_stream_remove(bunyan_logger_t *bhp, const char *name)
+{
+	bunyan_stream_t *cur, *prev;
+	bunyan_t *b = (bunyan_t *)bhp;
+
+	(void) pthread_mutex_lock(&b->bun_lock);
+	prev = NULL;
+	cur = b->bun_streams;
+	while (cur != NULL) {
+		if (strcmp(name, cur->bs_name) == 0)
+			break;
+		prev = cur;
+		cur = cur->bs_next;
+	}
+	if (cur == NULL) {
+		(void) pthread_mutex_unlock(&b->bun_lock);
+		return (ENOENT);
+	}
+	if (prev == NULL)
+		b->bun_streams = cur->bs_next;
+	else
+		prev->bs_next = cur->bs_next;
+	cur->bs_next = NULL;
+	(void) pthread_mutex_unlock(&b->bun_lock);
+
+	bunyan_stream_fini(cur);
+
+	return (0);
+}
+
+static int
+bunyan_key_add_one(bunyan_t *b, const char *name, bunyan_type_t type,
+    const void *arg)
+{
+	bunyan_key_t *bkp, *cur, *prev;
+	size_t nlen = strlen(name) + 1;
+	size_t blen;
+
+	bkp = umem_alloc(sizeof (bunyan_key_t), UMEM_DEFAULT);
+	if (bkp == NULL)
+		return (ENOMEM);
+	bkp->bk_name = umem_alloc(nlen, UMEM_DEFAULT);
+	if (bkp->bk_name == NULL) {
+		umem_free(bkp, sizeof (bunyan_key_t));
+		return (ENOMEM);
+	}
+	bcopy(name, bkp->bk_name, nlen);
+
+	switch (type) {
+	case BUNYAN_T_STRING:
+		blen = strlen(arg) + 1;
+		break;
+	case BUNYAN_T_POINTER:
+		blen = sizeof (uintptr_t);
+		break;
+	case BUNYAN_T_IP:
+		blen = sizeof (struct in_addr);
+		break;
+	case BUNYAN_T_IP6:
+		blen = sizeof (struct in6_addr);
+		break;
+	case BUNYAN_T_BOOLEAN:
+		blen = sizeof (boolean_t);
+		break;
+	case BUNYAN_T_INT32:
+		blen = sizeof (int32_t);
+		break;
+	case BUNYAN_T_INT64:
+	case BUNYAN_T_INT64STR:
+		blen = sizeof (int64_t);
+		break;
+	case BUNYAN_T_UINT32:
+		blen = sizeof (uint32_t);
+		break;
+	case BUNYAN_T_UINT64:
+	case BUNYAN_T_UINT64STR:
+		blen = sizeof (uint64_t);
+		break;
+	case BUNYAN_T_DOUBLE:
+		blen = sizeof (double);
+		break;
+	default:
+		umem_free(bkp->bk_name, nlen);
+		umem_free(bkp, sizeof (bunyan_key_t));
+		return (EINVAL);
+	}
+
+	bkp->bk_data = umem_alloc(blen, UMEM_DEFAULT);
+	if (bkp->bk_data == NULL) {
+		umem_free(bkp->bk_name, nlen);
+		umem_free(bkp, sizeof (bunyan_key_t));
+		return (ENOMEM);
+	}
+	bcopy(arg, bkp->bk_data, blen);
+	bkp->bk_len = blen;
+	bkp->bk_type = type;
+
+	(void) pthread_mutex_lock(&b->bun_lock);
+	prev = NULL;
+	cur = b->bun_keys;
+	while (cur != NULL) {
+		if (strcmp(name, cur->bk_name) == 0)
+			break;
+		prev = cur;
+		cur = cur->bk_next;
+	}
+	if (cur != NULL) {
+		if (prev == NULL)
+			b->bun_keys = cur->bk_next;
+		else
+			prev->bk_next = cur->bk_next;
+		bunyan_key_fini(cur);
+	}
+	bkp->bk_next = b->bun_keys;
+	b->bun_keys = bkp;
+	(void) pthread_mutex_unlock(&b->bun_lock);
+
+	return (0);
+}
+
+static int
+bunyan_key_vadd(bunyan_t *b, va_list *ap)
+{
+	int type, ret;
+	void *data;
+	boolean_t bt;
+	int32_t i32;
+	int64_t i64;
+	uint32_t ui32;
+	uint64_t ui64;
+	double d;
+	uintptr_t ptr;
+
+	while ((type = va_arg(*ap, int)) != BUNYAN_T_END) {
+		const char *name = va_arg(*ap, char *);
+
+		switch (type) {
+		case BUNYAN_T_STRING:
+			data = va_arg(*ap, char *);
+			break;
+		case BUNYAN_T_POINTER:
+			ptr = (uintptr_t)va_arg(*ap, void *);
+			data = &ptr;
+			break;
+		case BUNYAN_T_IP:
+		case BUNYAN_T_IP6:
+			data = va_arg(*ap, void *);
+			break;
+		case BUNYAN_T_BOOLEAN:
+			bt  = va_arg(*ap, boolean_t);
+			data = &bt;
+			break;
+		case BUNYAN_T_INT32:
+			i32 = va_arg(*ap, int32_t);
+			data = &i32;
+			break;
+		case BUNYAN_T_INT64:
+		case BUNYAN_T_INT64STR:
+			i64 = va_arg(*ap, int64_t);
+			data = &i64;
+			break;
+		case BUNYAN_T_UINT32:
+			ui32 = va_arg(*ap, uint32_t);
+			data = &ui32;
+			break;
+		case BUNYAN_T_UINT64:
+		case BUNYAN_T_UINT64STR:
+			ui64 = va_arg(*ap, uint64_t);
+			data = &ui64;
+			break;
+		case BUNYAN_T_DOUBLE:
+			d = va_arg(*ap, double);
+			data = &d;
+			break;
+		default:
+			return (EINVAL);
+		}
+
+		if ((ret = bunyan_key_add_one(b, name, type, data)) != 0)
+			return (ret);
+	}
+
+	return (0);
+}
+
+int
+bunyan_key_add(bunyan_logger_t *bhp, ...)
+{
+	int ret;
+	va_list ap;
+	bunyan_t *b = (bunyan_t *)bhp;
+
+	va_start(ap, bhp);
+	ret = bunyan_key_vadd(b, &ap);
+	va_end(ap);
+
+	return (ret);
+}
+
+int
+bunyan_key_remove(bunyan_logger_t *bhp, const char *name)
+{
+	bunyan_t *b = (bunyan_t *)bhp;
+	bunyan_key_t *cur, *prev;
+
+	(void) pthread_mutex_lock(&b->bun_lock);
+	prev = NULL;
+	cur = b->bun_keys;
+	while (cur != NULL) {
+		if (strcmp(name, cur->bk_name) == 0)
+			break;
+		prev = cur;
+		cur = cur->bk_next;
+	}
+
+	if (cur == NULL) {
+		(void) pthread_mutex_unlock(&b->bun_lock);
+		return (ENOENT);
+	}
+
+	if (prev == NULL)
+		b->bun_keys = cur->bk_next;
+	else
+		prev->bk_next = cur->bk_next;
+	(void) pthread_mutex_unlock(&b->bun_lock);
+
+	bunyan_key_fini(cur);
+	return (0);
+}
+
+static bunyan_key_t *
+bunyan_key_dup(const bunyan_key_t *bkp)
+{
+	bunyan_key_t *nkp;
+	size_t nlen = strlen(bkp->bk_name) + 1;
+
+	nkp = umem_alloc(sizeof (bunyan_key_t), UMEM_DEFAULT);
+	if (nkp == NULL)
+		return (NULL);
+	nkp->bk_next = NULL;
+	nkp->bk_name = umem_alloc(nlen, UMEM_DEFAULT);
+	if (nkp->bk_name == NULL) {
+		umem_free(nkp, sizeof (bunyan_key_t));
+		return (NULL);
+	}
+	bcopy(bkp->bk_name, nkp->bk_name, nlen);
+	nkp->bk_type = bkp->bk_type;
+	nkp->bk_data = umem_alloc(bkp->bk_len, UMEM_DEFAULT);
+	if (nkp->bk_data == NULL) {
+		umem_free(nkp->bk_name, nlen);
+		umem_free(nkp, sizeof (bunyan_key_t));
+		return (NULL);
+	}
+	bcopy(bkp->bk_data, nkp->bk_data, bkp->bk_len);
+	nkp->bk_len = bkp->bk_len;
+
+	return (nkp);
+}
+
+static bunyan_stream_t *
+bunyan_stream_dup(const bunyan_stream_t *bsp)
+{
+	bunyan_stream_t *nsp;
+	size_t nlen = strlen(bsp->bs_name) + 1;
+
+	nsp = umem_alloc(sizeof (bunyan_stream_t), UMEM_DEFAULT);
+	if (nsp == NULL)
+		return (NULL);
+
+	nsp->bs_next = NULL;
+	nsp->bs_name = umem_alloc(nlen, UMEM_DEFAULT);
+	if (nsp->bs_name == NULL) {
+		umem_free(nsp, sizeof (bunyan_stream_t));
+		return (NULL);
+	}
+	bcopy(bsp->bs_name, nsp->bs_name, nlen);
+	nsp->bs_level = bsp->bs_level;
+	nsp->bs_func = bsp->bs_func;
+	nsp->bs_arg = bsp->bs_arg;
+	nsp->bs_count = 0;
+
+	return (nsp);
+}
+
+static bunyan_t *
+bunyan_dup(const bunyan_t *b)
+{
+	bunyan_t *n;
+	const bunyan_key_t *bkp;
+	const bunyan_stream_t *bsp;
+	size_t nlen;
+
+	n = umem_zalloc(sizeof (bunyan_t), UMEM_DEFAULT);
+	if (n == NULL)
+		return (NULL);
+
+	if (pthread_mutex_init(&n->bun_lock, NULL) != 0) {
+		umem_free(n, sizeof (bunyan_t));
+		return (NULL);
+	}
+
+	for (bkp = b->bun_keys; bkp != NULL; bkp = bkp->bk_next) {
+		bunyan_key_t *nkp;
+		nkp = bunyan_key_dup(bkp);
+		if (nkp == NULL) {
+			bunyan_fini((bunyan_logger_t *)n);
+			return (NULL);
+		}
+
+		nkp->bk_next = n->bun_keys;
+		n->bun_keys = nkp;
+	}
+
+	for (bsp = b->bun_streams; bsp != NULL; bsp = bsp->bs_next) {
+		bunyan_stream_t *nsp;
+		nsp = bunyan_stream_dup(bsp);
+		if (bsp == NULL) {
+			bunyan_fini((bunyan_logger_t *)n);
+			return (NULL);
+		}
+
+		nsp->bs_next = n->bun_streams;
+		n->bun_streams = nsp;
+	}
+
+	nlen = strlen(b->bun_name) + 1;
+	n->bun_name = umem_alloc(nlen, UMEM_DEFAULT);
+	if (n->bun_name == NULL) {
+		bunyan_fini((bunyan_logger_t *)n);
+		return (NULL);
+	}
+	bcopy(b->bun_name, n->bun_name, nlen);
+	bcopy(b->bun_host, n->bun_host, MAXHOSTNAMELEN+1);
+
+	return (n);
+}
+
+int
+bunyan_child(const bunyan_logger_t *bhp, bunyan_logger_t **outp, ...)
+{
+	bunyan_t *b = (bunyan_t *)bhp;
+	bunyan_t *n;
+	va_list ap;
+	int ret;
+
+	n = bunyan_dup(b);
+	if (n == NULL)
+		return (ENOMEM);
+
+	va_start(ap, outp);
+	ret = bunyan_key_vadd(b, &ap);
+	va_end(ap);
+
+	if (ret != 0)
+		bunyan_fini((bunyan_logger_t *)n);
+	else
+		*outp = (bunyan_logger_t *)n;
+
+	return (ret);
+}
+
+static int
+bunyan_iso_time(char *buf)
+{
+	struct timeval tv;
+	struct tm tm;
+
+	if (gettimeofday(&tv, NULL) != 0)
+		return (errno);
+
+	if (gmtime_r(&tv.tv_sec, &tm) == NULL)
+		return (errno);
+
+	VERIFY(strftime(buf, ISO_TIMELEN, "%FT%T", &tm) == 19);
+
+	(void) snprintf(&buf[19], 6, ".%03dZ", (int)(tv.tv_usec / 1000));
+
+	return (0);
+}
+
+/*
+ * Note, these fields are all required, so even if a user attempts to use one of
+ * them in their own fields, we'll override them and therefore, have it be the
+ * last one.
+ */
+static int
+bunyan_vlog_defaults(nvlist_t *nvl, bunyan_t *b, bunyan_level_t level,
+    const char *msg)
+{
+	int ret;
+	char tbuf[ISO_TIMELEN];
+
+	if ((ret = bunyan_iso_time(tbuf)) != 0)
+		return (ret);
+
+	if ((ret = nvlist_add_int32(nvl, "v", bunyan_version)) != 0 ||
+	    (ret = nvlist_add_int32(nvl, "level", level) != 0) ||
+	    (ret = nvlist_add_string(nvl, "name", b->bun_name) != 0) ||
+	    (ret = nvlist_add_string(nvl, "hostname", b->bun_host) != 0) ||
+	    (ret = nvlist_add_int32(nvl, "pid", getpid()) != 0) ||
+	    (ret = nvlist_add_uint32(nvl, "tid", thr_self()) != 0) ||
+	    (ret = nvlist_add_string(nvl, "time", tbuf) != 0) ||
+	    (ret = nvlist_add_string(nvl, "msg", msg) != 0))
+		return (ret);
+
+	return (0);
+}
+
+static int
+bunyan_vlog_add(nvlist_t *nvl, const char *key, bunyan_type_t type, void *arg)
+{
+	int ret;
+	uintptr_t *up;
+	struct in_addr *v4;
+	struct in6_addr *v6;
+
+	/*
+	 * Our buffer needs to hold the string forms of pointers, IPv6 strings,
+	 * etc. INET6_ADDRSTRLEN is large enough for all of these.
+	 */
+	char buf[INET6_ADDRSTRLEN];
+
+	switch (type) {
+	case BUNYAN_T_STRING:
+		ret = nvlist_add_string(nvl, key, (char *)arg);
+		break;
+	case BUNYAN_T_POINTER:
+		up = arg;
+		(void) snprintf(buf, sizeof (buf), "0x%p", *up);
+		ret = nvlist_add_string(nvl, key, buf);
+		break;
+	case BUNYAN_T_IP:
+		v4 = arg;
+		VERIFY(inet_ntop(AF_INET, v4, buf, sizeof (buf)) != NULL);
+		ret = nvlist_add_string(nvl, key, buf);
+		break;
+	case BUNYAN_T_IP6:
+		v6 = arg;
+		VERIFY(inet_ntop(AF_INET6, v6, buf, sizeof (buf)) != NULL);
+		ret = nvlist_add_string(nvl, key, buf);
+		break;
+	case BUNYAN_T_BOOLEAN:
+		ret = nvlist_add_boolean_value(nvl, key, *(boolean_t *)arg);
+		break;
+	case BUNYAN_T_INT32:
+		ret = nvlist_add_int32(nvl, key, *(int32_t *)arg);
+		break;
+	case BUNYAN_T_INT64:
+		ret = nvlist_add_int64(nvl, key, *(int64_t *)arg);
+		break;
+	case BUNYAN_T_UINT32:
+		ret = nvlist_add_uint32(nvl, key, *(uint32_t *)arg);
+		break;
+	case BUNYAN_T_UINT64:
+		ret = nvlist_add_uint64(nvl, key, *(uint32_t *)arg);
+		break;
+	case BUNYAN_T_DOUBLE:
+		ret = nvlist_add_double(nvl, key, *(double *)arg);
+		break;
+	case BUNYAN_T_INT64STR:
+		(void) snprintf(buf, sizeof (buf), "%lld", *(int64_t *)arg);
+		ret = nvlist_add_string(nvl, key, buf);
+		break;
+	case BUNYAN_T_UINT64STR:
+		(void) snprintf(buf, sizeof (buf), "%llu", *(uint64_t *)arg);
+		ret = nvlist_add_string(nvl, key, buf);
+		break;
+	default:
+		ret = EINVAL;
+		break;
+	}
+
+	return (ret);
+}
+
+static int
+bunyan_vlog(bunyan_logger_t *bhp, bunyan_level_t level, const char *msg,
+    va_list *ap)
+{
+	nvlist_t *nvl = NULL;
+	int ret, type;
+	bunyan_key_t *bkp;
+	bunyan_stream_t *bsp;
+	char *buf = NULL;
+	bunyan_t *b = (bunyan_t *)bhp;
+
+	if (msg == NULL)
+		return (EINVAL);
+
+	(void) pthread_mutex_lock(&b->bun_lock);
+
+	if ((ret = nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0)) != 0) {
+		(void) pthread_mutex_unlock(&b->bun_lock);
+		return (ret);
+	}
+
+	/*
+	 * We add pre-defined keys, then go through and process the users keys,
+	 * and finally go ahead and our defaults. If all that succeeds, then we
+	 * can go ahead and call all the built-in logs.
+	 */
+	for (bkp = b->bun_keys; bkp != NULL; bkp = bkp->bk_next) {
+		if ((ret = bunyan_vlog_add(nvl, bkp->bk_name, bkp->bk_type,
+		    bkp->bk_data)) != 0)
+			goto out;
+	}
+
+	while ((type = va_arg(*ap, int)) != BUNYAN_T_END) {
+		void *data;
+		boolean_t bt;
+		int32_t i32;
+		int64_t i64;
+		uint32_t ui32;
+		uint64_t ui64;
+		double d;
+		uintptr_t ptr;
+		const char *key = va_arg(*ap, char *);
+
+		switch (type) {
+		case BUNYAN_T_STRING:
+			data = va_arg(*ap, char *);
+			break;
+		case BUNYAN_T_POINTER:
+			ptr = (uintptr_t)va_arg(*ap, void *);
+			data = &ptr;
+			break;
+		case BUNYAN_T_IP:
+		case BUNYAN_T_IP6:
+			data = va_arg(*ap, void *);
+			break;
+		case BUNYAN_T_BOOLEAN:
+			bt  = va_arg(*ap, boolean_t);
+			data = &bt;
+			break;
+		case BUNYAN_T_INT32:
+			i32 = va_arg(*ap, int32_t);
+			data = &i32;
+			break;
+		case BUNYAN_T_INT64:
+		case BUNYAN_T_INT64STR:
+			i64 = va_arg(*ap, int64_t);
+			data = &i64;
+			break;
+		case BUNYAN_T_UINT32:
+			ui32 = va_arg(*ap, uint32_t);
+			data = &ui32;
+			break;
+		case BUNYAN_T_UINT64:
+		case BUNYAN_T_UINT64STR:
+			ui64 = va_arg(*ap, uint64_t);
+			data = &ui64;
+			break;
+		case BUNYAN_T_DOUBLE:
+			d = va_arg(*ap, double);
+			data = &d;
+			break;
+		default:
+			ret = EINVAL;
+			goto out;
+		}
+
+		if ((ret = bunyan_vlog_add(nvl, key, type, data)) != 0)
+			goto out;
+
+	}
+	/*
+	 * This must be the last thing we do before we log to ensure that all of
+	 * our defaults always make it out.
+	 */
+	if ((ret = bunyan_vlog_defaults(nvl, b, level, msg)) != 0)
+		goto out;
+
+	if (nvlist_dump_json(nvl, &buf) < 0) {
+		ret = errno;
+		goto out;
+	}
+
+	/* Fire DTrace probes */
+	switch (level) {
+	case BUNYAN_L_TRACE:
+		BUNYAN_LOG_TRACE(buf);
+		break;
+	case BUNYAN_L_DEBUG:
+		BUNYAN_LOG_DEBUG(buf);
+		break;
+	case BUNYAN_L_INFO:
+		BUNYAN_LOG_INFO(buf);
+		break;
+	case BUNYAN_L_WARN:
+		BUNYAN_LOG_WARN(buf);
+		break;
+	case BUNYAN_L_ERROR:
+		BUNYAN_LOG_ERROR(buf);
+		break;
+	case BUNYAN_L_FATAL:
+		BUNYAN_LOG_FATAL(buf);
+		break;
+	}
+
+	for (bsp = b->bun_streams; bsp != NULL; bsp = bsp->bs_next) {
+		if (bsp->bs_level <= level)
+			if (bsp->bs_func(nvl, buf, bsp->bs_arg) != 0)
+				bsp->bs_count++;
+	}
+	ret = 0;
+out:
+	(void) pthread_mutex_unlock(&b->bun_lock);
+	if (buf != NULL)
+		nvlist_dump_json_free(nvl, buf);
+	if (nvl != NULL)
+		nvlist_free(nvl);
+	return (ret);
+}
+
+int
+bunyan_trace(bunyan_logger_t *bhp, const char *msg, ...)
+{
+	va_list va;
+	int ret;
+
+	va_start(va, msg);
+	ret = bunyan_vlog(bhp, BUNYAN_L_TRACE, msg, &va);
+	va_end(va);
+
+	return (ret);
+}
+
+int
+bunyan_debug(bunyan_logger_t *bhp, const char *msg, ...)
+{
+	va_list va;
+	int ret;
+
+	va_start(va, msg);
+	ret = bunyan_vlog(bhp, BUNYAN_L_DEBUG, msg, &va);
+	va_end(va);
+
+	return (ret);
+}
+
+int
+bunyan_info(bunyan_logger_t *bhp, const char *msg, ...)
+{
+	va_list va;
+	int ret;
+
+	va_start(va, msg);
+	ret = bunyan_vlog(bhp, BUNYAN_L_INFO, msg, &va);
+	va_end(va);
+
+	return (ret);
+}
+
+int
+bunyan_warn(bunyan_logger_t *bhp, const char *msg, ...)
+{
+	va_list va;
+	int ret;
+
+	va_start(va, msg);
+	ret = bunyan_vlog(bhp, BUNYAN_L_WARN, msg, &va);
+	va_end(va);
+
+	return (ret);
+}
+
+int
+bunyan_error(bunyan_logger_t *bhp, const char *msg, ...)
+{
+	va_list va;
+	int ret;
+
+	va_start(va, msg);
+	ret = bunyan_vlog(bhp, BUNYAN_L_ERROR, msg, &va);
+	va_end(va);
+
+	return (ret);
+}
+
+
+int
+bunyan_fatal(bunyan_logger_t *bhp, const char *msg, ...)
+{
+	va_list va;
+	int ret;
+
+	va_start(va, msg);
+	ret = bunyan_vlog(bhp, BUNYAN_L_FATAL, msg, &va);
+	va_end(va);
+
+	return (ret);
+}
diff --git a/usr/src/lib/libbunyan/common/bunyan.h b/usr/src/lib/libbunyan/common/bunyan.h
new file mode 100644
index 0000000000..9a01f6f6cd
--- /dev/null
+++ b/usr/src/lib/libbunyan/common/bunyan.h
@@ -0,0 +1,88 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014, Joyent, Inc.
+ */
+
+#ifndef _BUNYAN_H
+#define	_BUNYAN_H
+
+/*
+ * C version of the bunyan logging format.
+ */
+
+#include <limits.h>
+#include <libnvpair.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct bunyan_logger bunyan_logger_t;
+
+typedef enum bunyan_level {
+	BUNYAN_L_TRACE	= 10,
+	BUNYAN_L_DEBUG 	= 20,
+	BUNYAN_L_INFO	= 30,
+	BUNYAN_L_WARN	= 40,
+	BUNYAN_L_ERROR	= 50,
+	BUNYAN_L_FATAL	= 60
+} bunyan_level_t;
+
+typedef enum bunyan_type {
+	BUNYAN_T_END	= 0x0,
+	BUNYAN_T_STRING,
+	BUNYAN_T_POINTER,
+	BUNYAN_T_IP,
+	BUNYAN_T_IP6,
+	BUNYAN_T_BOOLEAN,
+	BUNYAN_T_INT32,
+	BUNYAN_T_INT64,
+	BUNYAN_T_UINT32,
+	BUNYAN_T_UINT64,
+	BUNYAN_T_DOUBLE,
+	BUNYAN_T_INT64STR,
+	BUNYAN_T_UINT64STR
+} bunyan_type_t;
+
+/*
+ * A handle is MT-safe, but not fork-safe.
+ */
+extern int bunyan_init(const char *, bunyan_logger_t **);
+extern int bunyan_child(const bunyan_logger_t *, bunyan_logger_t **, ...);
+extern void bunyan_fini(bunyan_logger_t *);
+
+/*
+ * Bunyan stream callbacks are guaranteed to be serialized.
+ */
+typedef int (*bunyan_stream_f)(nvlist_t *, const char *, void *);
+extern int bunyan_stream_fd(nvlist_t *, const char *, void *);
+
+extern int bunyan_stream_add(bunyan_logger_t *, const char *, int,
+    bunyan_stream_f, void *);
+extern int bunyan_stream_remove(bunyan_logger_t *, const char *);
+
+extern int bunyan_key_add(bunyan_logger_t *, ...);
+extern int bunyan_key_remove(bunyan_logger_t *, const char *);
+
+extern int bunyan_trace(bunyan_logger_t *, const char *msg, ...);
+extern int bunyan_debug(bunyan_logger_t *, const char *msg, ...);
+extern int bunyan_info(bunyan_logger_t *, const char *msg, ...);
+extern int bunyan_warn(bunyan_logger_t *, const char *msg, ...);
+extern int bunyan_error(bunyan_logger_t *, const char *msg, ...);
+extern int bunyan_fatal(bunyan_logger_t *, const char *msg, ...);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BUNYAN_H */
diff --git a/usr/src/lib/libbunyan/common/bunyan_provider.d b/usr/src/lib/libbunyan/common/bunyan_provider.d
new file mode 100644
index 0000000000..d47ea75733
--- /dev/null
+++ b/usr/src/lib/libbunyan/common/bunyan_provider.d
@@ -0,0 +1,32 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014, Joyent, Inc. 
+ */
+
+/*
+ * Bunyan DTrace provider
+ */
+provider bunyan {
+	probe log__trace(char *);
+	probe log__debug(char *);
+	probe log__info(char *);
+	probe log__warn(char *);
+	probe log__error(char *);
+	probe log__fatal(char *);
+};
+
+#pragma D attributes Stable/Stable/ISA		provider bunyan provider
+#pragma D attributes Private/Private/Unknown	provider bunyan module
+#pragma D attributes Private/Private/Unknown	provider bunyan function
+#pragma D attributes Stable/Stable/ISA		provider bunyan name
+#pragma D attributes Stable/Stable/ISA		provider bunyan args
diff --git a/usr/src/lib/libbunyan/common/llib-lbunyan b/usr/src/lib/libbunyan/common/llib-lbunyan
new file mode 100644
index 0000000000..31f6a52aba
--- /dev/null
+++ b/usr/src/lib/libbunyan/common/llib-lbunyan
@@ -0,0 +1,19 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.
+ */
+
+/* LINTLIBRARY */
+/* PROTOLIB1 */
+
+#include <bunyan.h>
diff --git a/usr/src/lib/libbunyan/common/mapfile-vers b/usr/src/lib/libbunyan/common/mapfile-vers
new file mode 100644
index 0000000000..775af4ab45
--- /dev/null
+++ b/usr/src/lib/libbunyan/common/mapfile-vers
@@ -0,0 +1,53 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+SYMBOL_VERSION ILLUMOS_1.0 {
+    global:
+	bunyan_init;
+	bunyan_child;
+	bunyan_fini;
+	bunyan_stream_fd;
+	bunyan_stream_add;
+	bunyan_stream_remove;
+	bunyan_key_add;
+	bunyan_key_remove;
+	bunyan_trace;
+	bunyan_debug;
+	bunyan_info;
+	bunyan_warn;
+	bunyan_error;
+	bunyan_fatal;
+};
+
+SYMBOL_VERSION ILLUMOSprivate {
+    local:
+	*;
+};
diff --git a/usr/src/lib/libbunyan/i386/Makefile b/usr/src/lib/libbunyan/i386/Makefile
new file mode 100644
index 0000000000..41e699e8f8
--- /dev/null
+++ b/usr/src/lib/libbunyan/i386/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/libbunyan/sparc/Makefile b/usr/src/lib/libbunyan/sparc/Makefile
new file mode 100644
index 0000000000..41e699e8f8
--- /dev/null
+++ b/usr/src/lib/libbunyan/sparc/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/libbunyan/sparcv9/Makefile b/usr/src/lib/libbunyan/sparcv9/Makefile
new file mode 100644
index 0000000000..15d904c616
--- /dev/null
+++ b/usr/src/lib/libbunyan/sparcv9/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.com
+include ../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/libc/amd64/Makefile b/usr/src/lib/libc/amd64/Makefile
index 3d649dfe9d..dc86e1a197 100644
--- a/usr/src/lib/libc/amd64/Makefile
+++ b/usr/src/lib/libc/amd64/Makefile
@@ -385,6 +385,7 @@ PORTGEN=			\
 	fdetach.o		\
 	fdopendir.o		\
 	ffs.o			\
+	flock.o			\
 	fls.o			\
 	fmtmsg.o		\
 	ftime.o			\
@@ -863,13 +864,16 @@ PORTSYS=			\
 	chmod.o			\
 	chown.o			\
 	corectl.o		\
+	epoll.o			\
 	exacctsys.o		\
 	execl.o			\
 	execle.o		\
 	execv.o			\
+	eventfd.o		\
 	fcntl.o			\
 	getpagesizes.o		\
 	getpeerucred.o		\
+	inotify.o		\
 	inst_sync.o		\
 	issetugid.o		\
 	label.o			\
@@ -907,6 +911,7 @@ PORTSYS=			\
 	tasksys.o		\
 	time.o			\
 	time_util.o		\
+	timerfd.o		\
 	ucontext.o		\
 	unlink.o		\
 	ustat.o			\
diff --git a/usr/src/lib/libc/i386/Makefile.com b/usr/src/lib/libc/i386/Makefile.com
index beb568ebf6..9896614023 100644
--- a/usr/src/lib/libc/i386/Makefile.com
+++ b/usr/src/lib/libc/i386/Makefile.com
@@ -418,6 +418,7 @@ PORTGEN=			\
 	fdetach.o		\
 	fdopendir.o		\
 	ffs.o			\
+	flock.o			\
 	fls.o			\
 	fmtmsg.o		\
 	ftime.o			\
@@ -903,6 +904,8 @@ PORTSYS=			\
 	chmod.o			\
 	chown.o			\
 	corectl.o		\
+	epoll.o			\
+	eventfd.o		\
 	exacctsys.o		\
 	execl.o			\
 	execle.o		\
@@ -910,6 +913,7 @@ PORTSYS=			\
 	fcntl.o			\
 	getpagesizes.o		\
 	getpeerucred.o		\
+	inotify.o		\
 	inst_sync.o		\
 	issetugid.o		\
 	label.o			\
@@ -947,6 +951,7 @@ PORTSYS=			\
 	tasksys.o		\
 	time.o			\
 	time_util.o		\
+	timerfd.o		\
 	ucontext.o		\
 	unlink.o		\
 	ustat.o			\
diff --git a/usr/src/lib/libc/inc/thr_inlines.h b/usr/src/lib/libc/inc/thr_inlines.h
index f7cdc6a6bd..66d811f25b 100644
--- a/usr/src/lib/libc/inc/thr_inlines.h
+++ b/usr/src/lib/libc/inc/thr_inlines.h
@@ -47,17 +47,19 @@
 extern __GNU_INLINE ulwp_t *
 _curthread(void)
 {
-#if defined(__amd64)
 	ulwp_t *__value;
-	__asm__ __volatile__("movq %%fs:0, %0" : "=r" (__value));
+	__asm__ __volatile__(
+#if defined(__amd64)
+	    "movq %%fs:0, %0\n\t"
 #elif defined(__i386)
-	ulwp_t *__value;
-	__asm__ __volatile__("movl %%gs:0, %0" : "=r" (__value));
+	    "movl %%gs:0, %0\n\t"
 #elif defined(__sparc)
-	register ulwp_t *__value __asm__("g7");
+	    ".register %%g7, #scratch\n\t"
+	    "mov %%g7, %0\n\t"
 #else
 #error	"port me"
 #endif
+	    : "=r" (__value));
 	return (__value);
 }
 
diff --git a/usr/src/lib/libc/inc/thr_uberdata.h b/usr/src/lib/libc/inc/thr_uberdata.h
index de0d4a6b05..a58eaf915f 100644
--- a/usr/src/lib/libc/inc/thr_uberdata.h
+++ b/usr/src/lib/libc/inc/thr_uberdata.h
@@ -932,6 +932,7 @@ typedef struct uberdata {
 	int	ndaemons;	/* total number of THR_DAEMON threads/lwps */
 	pid_t	pid;		/* the current process's pid */
 	void	(*sigacthandler)(int, siginfo_t *, void *);
+	int	(*setctxt)(const ucontext_t *);
 	ulwp_t	*lwp_stacks;
 	ulwp_t	*lwp_laststack;
 	int	nfreestack;
@@ -944,6 +945,7 @@ typedef struct uberdata {
 	robust_t	**robustlocks;	/* table of registered robust locks */
 	robust_t	*robustlist;	/* list of registered robust locks */
 	char	*progname;	/* the basename of the program, from argv[0] */
+	char	*ub_broot;	/* the root of the native code in the brand */
 	struct uberdata **tdb_bootstrap;
 	tdb_t	tdb;		/* thread debug interfaces (for libc_db) */
 } uberdata_t;
@@ -1144,6 +1146,7 @@ typedef struct uberdata32 {
 	int		ndaemons;
 	int		pid;
 	caddr32_t	sigacthandler;
+	caddr32_t	setctxt;
 	caddr32_t	lwp_stacks;
 	caddr32_t	lwp_laststack;
 	int		nfreestack;
@@ -1243,6 +1246,7 @@ extern	void	rwl_free(ulwp_t *);
 extern	void	heldlock_exit(void);
 extern	void	heldlock_free(ulwp_t *);
 extern	void	sigacthandler(int, siginfo_t *, void *);
+extern	int	setctxt(const ucontext_t *);
 extern	void	signal_init(void);
 extern	int	sigequalset(const sigset_t *, const sigset_t *);
 extern	void	mutex_setup(void);
diff --git a/usr/src/lib/libc/port/gen/flock.c b/usr/src/lib/libc/port/gen/flock.c
new file mode 100644
index 0000000000..44dd12673f
--- /dev/null
+++ b/usr/src/lib/libc/port/gen/flock.c
@@ -0,0 +1,60 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/feature_tests.h>
+
+#include "lint.h"
+#include <sys/types.h>
+#include <sys/file.h>
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+
+int
+flock(int fildes, int operation)
+{
+	struct flock64 l;
+	int op;
+	int rv;
+
+	l.l_whence = SEEK_SET;
+	l.l_start = 0;
+	l.l_len = 0;
+	l.l_sysid = 0;
+	l.l_pid = 0;
+
+	switch (operation & ~LOCK_NB) {
+	case LOCK_UN:
+		if (operation & LOCK_NB) {
+			errno = EINVAL;
+			return (-1);
+		}
+		l.l_type = F_UNLCK;
+		rv = fcntl(fildes, F_FLOCK, &l);
+		break;
+	case LOCK_EX:
+	case LOCK_SH:
+		l.l_type = ((operation & ~LOCK_NB) == LOCK_EX) ?
+		    F_WRLCK : F_RDLCK;
+		op = (operation & LOCK_NB) ? F_FLOCK : F_FLOCKW;
+		rv = fcntl(fildes, op, &l);
+		break;
+	default:
+		errno = EINVAL;
+		return (-1);
+	}
+
+	return (rv);
+}
diff --git a/usr/src/lib/libc/port/gen/getauxv.c b/usr/src/lib/libc/port/gen/getauxv.c
index 500675719c..4356a01392 100644
--- a/usr/src/lib/libc/port/gen/getauxv.c
+++ b/usr/src/lib/libc/port/gen/getauxv.c
@@ -24,9 +24,8 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include "lint.h"
+#include "thr_uberdata.h"
 #include <libc.h>
 #include <fcntl.h>
 #include <stdlib.h>
@@ -38,6 +37,7 @@
 #include <thread.h>
 #include <synch.h>
 #include <atomic.h>
+#include <limits.h>
 
 static mutex_t auxlock = DEFAULTMUTEX;
 
@@ -59,11 +59,20 @@ _getaux(int type)
 	if (auxb == NULL) {
 		lmutex_lock(&auxlock);
 		if (auxb == NULL) {
+			uberdata_t *udp = curthread->ul_uberdata;
 			struct stat statb;
 			auxv_t *buf = NULL;
+			char *path = "/proc/self/auxv";
+			char pbuf[PATH_MAX];
 			int fd;
 
-			if ((fd = open("/proc/self/auxv", O_RDONLY)) != -1 &&
+			if (udp->ub_broot != NULL) {
+				(void) snprintf(pbuf, sizeof (pbuf),
+				    "%s/proc/self/auxv", udp->ub_broot);
+				path = pbuf;
+			}
+
+			if ((fd = open(path, O_RDONLY)) != -1 &&
 			    fstat(fd, &statb) != -1)
 				buf = libc_malloc(
 				    statb.st_size + sizeof (auxv_t));
diff --git a/usr/src/lib/libc/port/gen/getlogin.c b/usr/src/lib/libc/port/gen/getlogin.c
index fadf3e055b..e4b2f62dc3 100644
--- a/usr/src/lib/libc/port/gen/getlogin.c
+++ b/usr/src/lib/libc/port/gen/getlogin.c
@@ -35,6 +35,7 @@
 #include "lint.h"
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/sysmacros.h>
 #include <fcntl.h>
 #include <string.h>
 #include <stdlib.h>
diff --git a/usr/src/lib/libc/port/gen/psiginfo.c b/usr/src/lib/libc/port/gen/psiginfo.c
index a648c81094..e7cf46abef 100644
--- a/usr/src/lib/libc/port/gen/psiginfo.c
+++ b/usr/src/lib/libc/port/gen/psiginfo.c
@@ -51,16 +51,23 @@ psiginfo(const siginfo_t *sip, const char *s)
 {
 	char buf[256];
 	char *c;
+	size_t l = 0;
 	const struct siginfolist *listp;
 
-	if (sip == 0)
+	if (sip == NULL)
 		return;
 
+	if (s != NULL && *s != '\0') {
+		l = snprintf(buf, sizeof (buf), _libc_gettext("%s : "), s);
+		if (l > sizeof (buf))
+			l = sizeof (buf);
+	}
+
 
 	if (sip->si_code <= 0) {
-		(void) snprintf(buf, sizeof (buf),
-		    _libc_gettext("%s : %s ( from process  %d )\n"),
-		    s, strsignal(sip->si_signo), sip->si_pid);
+		(void) snprintf(buf + l, sizeof (buf) - l,
+		    _libc_gettext("%s ( from process  %d )\n"),
+		    strsignal(sip->si_signo), sip->si_pid);
 	} else if (((listp = &_sys_siginfolist[sip->si_signo-1]) != NULL) &&
 	    sip->si_code <= listp->nsiginfo) {
 		c = _libc_gettext(listp->vsiginfo[sip->si_code-1]);
@@ -69,21 +76,20 @@ psiginfo(const siginfo_t *sip, const char *s)
 		case SIGBUS:
 		case SIGILL:
 		case SIGFPE:
-			(void) snprintf(buf, sizeof (buf),
-			    _libc_gettext("%s : %s ( [%p] %s)\n"),
-			    s, strsignal(sip->si_signo),
+			(void) snprintf(buf + l, sizeof (buf) - l,
+			    _libc_gettext("%s ( [%p] %s)\n"),
+			    strsignal(sip->si_signo),
 			    sip->si_addr, c);
 			break;
 		default:
-			(void) snprintf(buf, sizeof (buf),
-			    _libc_gettext("%s : %s (%s)\n"),
-			    s, strsignal(sip->si_signo), c);
+			(void) snprintf(buf + l, sizeof (buf) - l,
+			    _libc_gettext("%s (%s)\n"),
+			    strsignal(sip->si_signo), c);
 			break;
 		}
 	} else {
-		(void) snprintf(buf, sizeof (buf),
-		    _libc_gettext("%s : %s\n"),
-		    s, strsignal(sip->si_signo));
+		(void) snprintf(buf + l, sizeof (buf) - l,
+		    _libc_gettext("%s\n"), strsignal(sip->si_signo));
 	}
 	(void) write(2, buf, strlen(buf));
 }
diff --git a/usr/src/lib/libc/port/gen/psignal.c b/usr/src/lib/libc/port/gen/psignal.c
index 201beaacd7..2a61cd9610 100644
--- a/usr/src/lib/libc/port/gen/psignal.c
+++ b/usr/src/lib/libc/port/gen/psignal.c
@@ -37,8 +37,6 @@
  * contributors.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 /*
  * Print the name of the signal indicated by "sig", along with the
  * supplied message
@@ -61,14 +59,15 @@ void
 psignal(int sig, const char *s)
 {
 	char *c;
-	size_t n;
+	size_t n = 0;
 	char buf[256];
 
 	if (sig < 0 || sig >= NSIG)
 		sig = 0;
 	c = strsignal(sig);
-	n = strlen(s);
-	if (n) {
+	if (s != NULL)
+		n = strlen(s);
+	if (n != 0) {
 		(void) snprintf(buf, sizeof (buf), "%s: %s\n", s, c);
 	} else {
 		(void) snprintf(buf, sizeof (buf), "%s\n", c);
diff --git a/usr/src/lib/libc/port/gen/sh_locks.c b/usr/src/lib/libc/port/gen/sh_locks.c
index 6583efbc9c..cf879195c6 100644
--- a/usr/src/lib/libc/port/gen/sh_locks.c
+++ b/usr/src/lib/libc/port/gen/sh_locks.c
@@ -24,8 +24,6 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include "lint.h"
 #include <mtlib.h>
 #include <sys/types.h>
diff --git a/usr/src/lib/libc/port/llib-lc b/usr/src/lib/libc/port/llib-lc
index 9fb5935f7c..41c7ecf879 100644
--- a/usr/src/lib/libc/port/llib-lc
+++ b/usr/src/lib/libc/port/llib-lc
@@ -25,6 +25,7 @@
  * Copyright 2013 OmniTI Computer Consulting, Inc. All rights reserved.
  * Copyright (c) 2013 Gary Mills
  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+ * Copyright 2015 Joyent, Inc.
  * Copyright 2015 Circonus, Inc.  All rights reserved.
  */
 
@@ -427,6 +428,9 @@ int fdetach(const char *path);
 /* ffs.c */
 int ffs(int field);
 
+/* flock.c */
+int flock(int filedes, int operation);
+
 /* fmtmsg.c */
 int addseverity(int value, const char *string);
 int fmtmsg(long class, const char *label, int severity, const char *text,
diff --git a/usr/src/lib/libc/port/mapfile-vers b/usr/src/lib/libc/port/mapfile-vers
index e133407665..b112880009 100644
--- a/usr/src/lib/libc/port/mapfile-vers
+++ b/usr/src/lib/libc/port/mapfile-vers
@@ -2834,8 +2834,16 @@ $endif
 	_dgettext;
 	_doprnt;
 	_doscan;
+	epoll_create;
+	epoll_create1;
+	epoll_ctl;
+	epoll_wait;
+	epoll_pwait;
 	_errfp;
 	_errxfp;
+	eventfd;
+	eventfd_read;
+	eventfd_write;
 	exportfs;
 	_F_cplx_div;
 	_F_cplx_div_ix;
@@ -2847,6 +2855,7 @@ $endif
 	_findiop;
 	__fini_daemon_priv;
 	_finite;
+	flock;
 	_fork1			{ FLAGS = NODYNSORT };
 	_forkall		{ FLAGS = NODYNSORT };
 	_fpclass;
@@ -2880,6 +2889,10 @@ $endif
 	__idmap_unreg;
 	__init_daemon_priv;
 	__init_suid_priv;
+	inotify_init;
+	inotify_init1;
+	inotify_add_watch;
+	inotify_rm_watch;
 	_insert;
 	inst_sync;
 	_iswctype;
@@ -2956,6 +2969,7 @@ $endif
 	scrwidth;
 	semctl64;
 	_semctl64;
+	set_escaped_context_cleanup;
 	set_setcontext_enforcement;
 	_setbufend;
 	__set_errno;
@@ -3018,6 +3032,9 @@ $endif
 	_thr_suspend_mutator;
 	thr_wait_mutator;
 	_thr_wait_mutator;
+	timerfd_create;
+	timerfd_gettime;
+	timerfd_settime;
 	__tls_get_addr;
 	_tmem_get_base;
 	_tmem_get_nentries;
@@ -3073,6 +3090,7 @@ $endif
 	zone_list;
 	zone_list_datalink;
 	zonept;
+	zone_get_nroot;
 	zone_remove_datalink;
 	zone_setattr;
 	zone_shutdown;
diff --git a/usr/src/lib/libc/port/sys/epoll.c b/usr/src/lib/libc/port/sys/epoll.c
new file mode 100644
index 0000000000..93379b583e
--- /dev/null
+++ b/usr/src/lib/libc/port/sys/epoll.c
@@ -0,0 +1,207 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/types.h>
+#include <sys/epoll.h>
+#include <sys/devpoll.h>
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <poll.h>
+
+/*
+ * Events that match their epoll(7) equivalents.
+ */
+#if EPOLLIN != POLLIN
+#error value of EPOLLIN does not match value of POLLIN
+#endif
+
+#if EPOLLPRI != POLLPRI
+#error value of EPOLLPRI does not match value of POLLPRI
+#endif
+
+#if EPOLLOUT != POLLOUT
+#error value of EPOLLOUT does not match value of POLLOUT
+#endif
+
+#if EPOLLRDNORM != POLLRDNORM
+#error value of EPOLLRDNORM does not match value of POLLRDNORM
+#endif
+
+#if EPOLLRDBAND != POLLRDBAND
+#error value of EPOLLRDBAND does not match value of POLLRDBAND
+#endif
+
+#if EPOLLERR != POLLERR
+#error value of EPOLLERR does not match value of POLLERR
+#endif
+
+#if EPOLLHUP != POLLHUP
+#error value of EPOLLHUP does not match value of POLLHUP
+#endif
+
+/*
+ * Events that we ignore entirely.  They can be set in events, but they will
+ * never be returned.
+ */
+#define	EPOLLIGNORED 	(EPOLLMSG | EPOLLWAKEUP)
+
+/*
+ * Events that we swizzle into other bit positions.
+ */
+#define	EPOLLSWIZZLED	\
+	(EPOLLRDHUP | EPOLLONESHOT | EPOLLET | EPOLLWRBAND | EPOLLWRNORM)
+
+int
+epoll_create(int size)
+{
+	int fd;
+
+	/*
+	 * From the epoll_create() man page:  "Since Linux 2.6.8, the size
+	 * argument is ignored, but must be greater than zero."  You keep using
+	 * that word "ignored"...
+	 */
+	if (size <= 0) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if ((fd = open("/dev/poll", O_RDWR)) == -1)
+		return (-1);
+
+	if (ioctl(fd, DP_EPOLLCOMPAT, 0) == -1) {
+		(void) close(fd);
+		return (-1);
+	}
+
+	return (fd);
+}
+
+int
+epoll_create1(int flags)
+{
+	int fd, oflags = O_RDWR;
+
+	if (flags & EPOLL_CLOEXEC)
+		oflags |= O_CLOEXEC;
+
+	if ((fd = open("/dev/poll", oflags)) == -1)
+		return (-1);
+
+	if (ioctl(fd, DP_EPOLLCOMPAT, 0) == -1) {
+		(void) close(fd);
+		return (-1);
+	}
+
+	return (fd);
+}
+
+int
+epoll_ctl(int epfd, int op, int fd, struct epoll_event *event)
+{
+	dvpoll_epollfd_t epoll[2];
+	uint32_t events, ev = 0;
+	int i = 0;
+
+	epoll[i].dpep_pollfd.fd = fd;
+
+	switch (op) {
+	case EPOLL_CTL_DEL:
+		ev = POLLREMOVE;
+		break;
+
+	case EPOLL_CTL_MOD:
+		/*
+		 * In the modify case, we pass down two events:  one to
+		 * remove the event and another to add it back.
+		 */
+		epoll[i++].dpep_pollfd.events = POLLREMOVE;
+		epoll[i].dpep_pollfd.fd = fd;
+		/* FALLTHROUGH */
+
+	case EPOLL_CTL_ADD:
+		/*
+		 * Mask off the events that we ignore, and then swizzle the
+		 * events for which our values differ from their epoll(7)
+		 * equivalents.
+		 */
+		events = event->events;
+		ev = events & ~(EPOLLIGNORED | EPOLLSWIZZLED);
+
+		if (events & EPOLLRDHUP)
+			ev |= POLLRDHUP;
+
+		if (events & EPOLLET)
+			ev |= POLLET;
+
+		if (events & EPOLLONESHOT)
+			ev |= POLLONESHOT;
+
+		if (events & EPOLLWRNORM)
+			ev |= POLLWRNORM;
+
+		if (events & EPOLLWRBAND)
+			ev |= POLLWRBAND;
+
+		epoll[i].dpep_data = event->data.u64;
+		break;
+
+	default:
+		errno = EOPNOTSUPP;
+		return (-1);
+	}
+
+	epoll[i].dpep_pollfd.events = ev;
+
+	return (write(epfd, epoll, sizeof (epoll[0]) * (i + 1)) == -1 ? -1 : 0);
+}
+
+int
+epoll_wait(int epfd, struct epoll_event *events,
+    int maxevents, int timeout)
+{
+	struct dvpoll arg;
+
+	if (maxevents <= 0) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	arg.dp_nfds = maxevents;
+	arg.dp_timeout = timeout;
+	arg.dp_fds = (pollfd_t *)events;
+
+	return (ioctl(epfd, DP_POLL, &arg));
+}
+
+int
+epoll_pwait(int epfd, struct epoll_event *events,
+    int maxevents, int timeout, const sigset_t *sigmask)
+{
+	struct dvpoll arg;
+
+	if (maxevents <= 0) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	arg.dp_nfds = maxevents;
+	arg.dp_timeout = timeout;
+	arg.dp_fds = (pollfd_t *)events;
+	arg.dp_setp = (sigset_t *)sigmask;
+
+	return (ioctl(epfd, DP_PPOLL, &arg));
+}
diff --git a/usr/src/lib/libc/port/sys/eventfd.c b/usr/src/lib/libc/port/sys/eventfd.c
new file mode 100644
index 0000000000..f165491cc1
--- /dev/null
+++ b/usr/src/lib/libc/port/sys/eventfd.c
@@ -0,0 +1,67 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015, Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/eventfd.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+
+int
+eventfd(unsigned int initval, int flags)
+{
+	int oflags = O_RDWR;
+	uint64_t val = initval;
+	int fd;
+
+	if (flags & ~(EFD_NONBLOCK | EFD_CLOEXEC | EFD_SEMAPHORE)) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (flags & EFD_NONBLOCK)
+		oflags |= O_NONBLOCK;
+
+	if (flags & EFD_CLOEXEC)
+		oflags |= O_CLOEXEC;
+
+	if ((fd = open("/dev/eventfd", oflags)) < 0)
+		return (-1);
+
+	if ((flags & EFD_SEMAPHORE) &&
+	    ioctl(fd, EVENTFDIOC_SEMAPHORE, 0) != 0) {
+		(void) close(fd);
+		return (-1);
+	}
+
+	if (write(fd, &val, sizeof (val)) < sizeof (val)) {
+		(void) close(fd);
+		return (-1);
+	}
+
+	return (fd);
+}
+
+int
+eventfd_read(int fd, eventfd_t *valp)
+{
+	return (read(fd, valp, sizeof (*valp)) < sizeof (*valp) ? -1 : 0);
+}
+
+int
+eventfd_write(int fd, eventfd_t val)
+{
+	return (write(fd, &val, sizeof (val)) < sizeof (val) ? -1 : 0);
+}
diff --git a/usr/src/lib/libc/port/sys/inotify.c b/usr/src/lib/libc/port/sys/inotify.c
new file mode 100644
index 0000000000..90d04b5dd3
--- /dev/null
+++ b/usr/src/lib/libc/port/sys/inotify.c
@@ -0,0 +1,142 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/inotify.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <strings.h>
+#include <dirent.h>
+
+int
+inotify_init()
+{
+	return (open("/dev/inotify", O_RDWR));
+}
+
+int
+inotify_init1(int flags)
+{
+	int oflags = O_RDWR;
+
+	if (flags & IN_NONBLOCK)
+		oflags |= O_NONBLOCK;
+
+	if (flags & IN_CLOEXEC)
+		oflags |= O_CLOEXEC;
+
+	return (open("/dev/inotify", oflags));
+}
+
+int
+inotify_add_watch(int fd, const char *pathname, uint32_t mask)
+{
+	inotify_addwatch_t ioc;
+	inotify_addchild_t cioc;
+	struct stat buf;
+	int dirfd, wd;
+	DIR *dir;
+	struct dirent *dp;
+	int oflags = O_RDONLY;
+
+	if (mask & IN_DONT_FOLLOW)
+		oflags |= O_NOFOLLOW;
+
+	if ((dirfd = open(pathname, oflags)) < 0)
+		return (-1);
+
+	if (fstat(dirfd, &buf) != 0) {
+		(void) close(dirfd);
+		return (-1);
+	}
+
+	if ((mask & IN_ONLYDIR) && !(buf.st_mode & S_IFDIR)) {
+		(void) close(dirfd);
+		errno = ENOTDIR;
+		return (-1);
+	}
+
+	bzero(&ioc, sizeof (ioc));
+	ioc.inaw_fd = dirfd;
+	ioc.inaw_mask = mask;
+
+	if ((wd = ioctl(fd, INOTIFYIOC_ADD_WATCH, &ioc)) < 0) {
+		(void) close(dirfd);
+		return (-1);
+	}
+
+	if (!(buf.st_mode & S_IFDIR) || !(mask & IN_CHILD_EVENTS)) {
+		(void) close(dirfd);
+		(void) ioctl(fd, INOTIFYIOC_ACTIVATE, wd);
+		return (wd);
+	}
+
+	/*
+	 * If we have a directory and we have a mask that denotes child events,
+	 * we need to manually add a child watch to every directory entry.
+	 * (Because our watch is in place, it will automatically be added to
+	 * files that are newly created after this point.)
+	 */
+	if ((dir = fdopendir(dirfd)) == NULL) {
+		(void) inotify_rm_watch(fd, wd);
+		(void) close(dirfd);
+		return (-1);
+	}
+
+	bzero(&cioc, sizeof (cioc));
+	cioc.inac_fd = dirfd;
+
+	while ((dp = readdir(dir)) != NULL) {
+		if (strcmp(dp->d_name, ".") == 0)
+			continue;
+
+		if (strcmp(dp->d_name, "..") == 0)
+			continue;
+
+		cioc.inac_name = dp->d_name;
+
+		if (ioctl(fd, INOTIFYIOC_ADD_CHILD, &cioc) != 0) {
+			/*
+			 * If we get an error that indicates clear internal
+			 * malfunctioning, we propagate the error.  Otherwise
+			 * we eat it:  this could be a file that no longer
+			 * exists or a symlink or something else that we
+			 * can't lookup.
+			 */
+			switch (errno) {
+			case ENXIO:
+			case EFAULT:
+			case EBADF:
+				(void) closedir(dir);
+				(void) inotify_rm_watch(fd, wd);
+				return (-1);
+			default:
+				break;
+			}
+		}
+	}
+
+	(void) closedir(dir);
+	(void) ioctl(fd, INOTIFYIOC_ACTIVATE, wd);
+
+	return (wd);
+}
+
+int
+inotify_rm_watch(int fd, int wd)
+{
+	return (ioctl(fd, INOTIFYIOC_RM_WATCH, wd));
+}
diff --git a/usr/src/lib/libc/port/sys/timerfd.c b/usr/src/lib/libc/port/sys/timerfd.c
new file mode 100644
index 0000000000..cb2e17adf7
--- /dev/null
+++ b/usr/src/lib/libc/port/sys/timerfd.c
@@ -0,0 +1,93 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015, Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/timerfd.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+
+int
+timerfd_create(int clockid, int flags)
+{
+	int oflags = O_RDWR;
+	int fd;
+
+	if (flags & ~(TFD_NONBLOCK | TFD_CLOEXEC)) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (flags & TFD_NONBLOCK)
+		oflags |= O_NONBLOCK;
+
+	if (flags & TFD_CLOEXEC)
+		oflags |= O_CLOEXEC;
+
+	if ((fd = open("/dev/timerfd", oflags)) < 0)
+		return (-1);
+
+	if (ioctl(fd, TIMERFDIOC_CREATE, clockid) != 0) {
+		(void) close(fd);
+		return (-1);
+	}
+
+	return (fd);
+}
+
+int
+timerfd_settime(int fd, int flags, const struct itimerspec *new_value,
+    struct itimerspec *old_value)
+{
+	timerfd_settime_t st;
+	int rval;
+
+	if (flags & ~(TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET)) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	st.tfd_settime_flags = flags;
+	st.tfd_settime_value = (uint64_t)(uintptr_t)new_value;
+	st.tfd_settime_ovalue = (uint64_t)(uintptr_t)old_value;
+
+	rval = ioctl(fd, TIMERFDIOC_SETTIME, &st);
+
+	if (rval == -1 && errno == ENOTTY) {
+		/*
+		 * Linux has us return EINVAL when the file descriptor is valid
+		 * but is not a timerfd file descriptor -- and LTP explicitly
+		 * checks this case.
+		 */
+		errno = EINVAL;
+	}
+
+	return (rval);
+}
+
+int
+timerfd_gettime(int fd, struct itimerspec *curr_value)
+{
+	int rval = ioctl(fd, TIMERFDIOC_GETTIME, curr_value);
+
+	if (rval == -1 && errno == ENOTTY) {
+		/*
+		 * See comment in timerfd_settime(), above.
+		 */
+		errno = EINVAL;
+	}
+
+	return (rval);
+}
diff --git a/usr/src/lib/libc/port/sys/zone.c b/usr/src/lib/libc/port/sys/zone.c
index 4a4c70043d..8cf28c3ccf 100644
--- a/usr/src/lib/libc/port/sys/zone.c
+++ b/usr/src/lib/libc/port/sys/zone.c
@@ -22,9 +22,11 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2011 Joyent Inc.  All rights reserved.
  */
 
 #include "lint.h"
+#include "thr_uberdata.h"
 #include <sys/types.h>
 #include <sys/syscall.h>
 #include <sys/zone.h>
@@ -39,7 +41,8 @@
 zoneid_t
 zone_create(const char *name, const char *root, const struct priv_set *privs,
     const char *rctls, size_t rctlsz, const char *zfs, size_t zfssz,
-    int *extended_error, int match, int doi, const bslabel_t *label, int flags)
+    int *extended_error, int match, int doi, const bslabel_t *label, int flags,
+    zoneid_t req_zoneid)
 {
 	zone_def  zd;
 	priv_data_t *d;
@@ -59,6 +62,7 @@ zone_create(const char *name, const char *root, const struct priv_set *privs,
 	zd.doi = doi;
 	zd.label = label;
 	zd.flags = flags;
+	zd.zoneid = req_zoneid;
 
 	return ((zoneid_t)syscall(SYS_zone, ZONE_CREATE, &zd));
 }
@@ -241,3 +245,10 @@ zone_list_datalink(zoneid_t zoneid, int *dlnump, datalink_id_t *linkids)
 {
 	return (syscall(SYS_zone, ZONE_LIST_DATALINK, zoneid, dlnump, linkids));
 }
+
+const char *
+zone_get_nroot()
+{
+	uberdata_t *udp = curthread->ul_uberdata;
+	return (udp->ub_broot);
+}
diff --git a/usr/src/lib/libc/port/threads/alloc.c b/usr/src/lib/libc/port/threads/alloc.c
index 5851212ad4..99f68000d2 100644
--- a/usr/src/lib/libc/port/threads/alloc.c
+++ b/usr/src/lib/libc/port/threads/alloc.c
@@ -21,13 +21,14 @@
 
 /*
  * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc.  All rights reserved.
  */
 
 #include "lint.h"
 #include "thr_uberdata.h"
 #include <sys/syscall.h>
 
-extern int __systemcall6(sysret_t *, int, ...);
+extern long __systemcall6(sysret_t *, int, ...);
 
 /*
  * This is a small and simple power of two memory allocator that is
diff --git a/usr/src/lib/libc/port/threads/sigaction.c b/usr/src/lib/libc/port/threads/sigaction.c
index 8e9df7ab60..09be90e54f 100644
--- a/usr/src/lib/libc/port/threads/sigaction.c
+++ b/usr/src/lib/libc/port/threads/sigaction.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #include "lint.h"
@@ -284,6 +285,24 @@ take_deferred_signal(int sig)
 		thr_panic("take_deferred_signal(): __sigresend() failed");
 }
 
+/*
+ * sigacthandler() attempts to clean up dangling uc_link pointers in
+ * signal handling contexts when libc believes us to have escaped
+ * a signal handler incorrectly in the past.
+ *
+ * Branded processes have a legitimate use for a chain including contexts
+ * other than those used for signal handling when tracking emulation
+ * requests from the kernel.  We allow them to disable this cleanup
+ * behaviour.
+ */
+static int escaped_context_cleanup = 1;
+
+void
+set_escaped_context_cleanup(int on)
+{
+	escaped_context_cleanup = on;
+}
+
 void
 sigacthandler(int sig, siginfo_t *sip, void *uvp)
 {
@@ -306,7 +325,7 @@ sigacthandler(int sig, siginfo_t *sip, void *uvp)
 	 * we are actually executing at main level (self->ul_siglink == NULL).
 	 * See the code for setjmp()/longjmp() for more details.
 	 */
-	if (self->ul_siglink == NULL)
+	if (escaped_context_cleanup && self->ul_siglink == NULL)
 		ucp->uc_link = NULL;
 
 	/*
@@ -458,11 +477,12 @@ sigaction(int sig, const struct sigaction *nact, struct sigaction *oact)
 }
 
 /*
- * This is a private interface for the linux brand interface.
+ * This is a private interface for the lx brand.
  */
 void
 setsigacthandler(void (*nsigacthandler)(int, siginfo_t *, void *),
-    void (**osigacthandler)(int, siginfo_t *, void *))
+    void (**osigacthandler)(int, siginfo_t *, void *),
+    int (*brsetctxt)(const ucontext_t *))
 {
 	ulwp_t *self = curthread;
 	uberdata_t *udp = self->ul_uberdata;
@@ -471,6 +491,9 @@ setsigacthandler(void (*nsigacthandler)(int, siginfo_t *, void *),
 		*osigacthandler = udp->sigacthandler;
 
 	udp->sigacthandler = nsigacthandler;
+
+	if (brsetctxt != NULL)
+		udp->setctxt = brsetctxt;
 }
 
 /*
@@ -522,6 +545,7 @@ int
 setcontext(const ucontext_t *ucp)
 {
 	ulwp_t *self = curthread;
+	uberdata_t *udp = self->ul_uberdata;
 	int ret;
 	ucontext_t uc;
 
@@ -578,7 +602,7 @@ setcontext(const ucontext_t *ucp)
 	 */
 	set_parking_flag(self, 0);
 	self->ul_sp = 0;
-	ret = __setcontext(&uc);
+	ret = udp->setctxt(&uc);
 
 	/*
 	 * It is OK for setcontext() to return if the user has not specified
diff --git a/usr/src/lib/libc/port/threads/thr.c b/usr/src/lib/libc/port/threads/thr.c
index b5d848449d..485d7f8edf 100644
--- a/usr/src/lib/libc/port/threads/thr.c
+++ b/usr/src/lib/libc/port/threads/thr.c
@@ -23,7 +23,7 @@
  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
  */
 /*
- * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ * Copyright 2014 Joyent, Inc. All rights reserved.
  */
 
 #include "lint.h"
@@ -124,6 +124,7 @@ uberdata_t __uberdata = {
 	0,			/* ndaemons */
 	0,			/* pid */
 	sigacthandler,		/* sigacthandler */
+	__setcontext,		/* setctxt */
 	NULL,			/* lwp_stacks */
 	NULL,			/* lwp_laststack */
 	0,			/* nfreestack */
@@ -136,6 +137,7 @@ uberdata_t __uberdata = {
 	NULL,			/* robustlocks */
 	NULL,			/* robustlist */
 	NULL,			/* progname */
+	NULL,			/* ub_broot */
 	NULL,			/* __tdb_bootstrap */
 	{			/* tdb */
 		NULL,		/* tdb_sync_addr_hash */
@@ -1219,6 +1221,24 @@ extern void atfork_init(void);
 extern void __proc64id(void);
 #endif
 
+static void
+init_brandroot(uberdata_t *udp)
+{
+	Dl_argsinfo_t args;
+
+	udp->ub_broot = NULL;
+	if (dlinfo(RTLD_SELF, RTLD_DI_ARGSINFO, &args) < 0)
+		return;
+
+	while (args.dla_auxv->a_type != AT_NULL) {
+		if (args.dla_auxv->a_type == AT_SUN_BRAND_NROOT) {
+			udp->ub_broot = args.dla_auxv->a_un.a_ptr;
+			return;
+		}
+		args.dla_auxv++;
+	}
+}
+
 /*
  * libc_init() is called by ld.so.1 for library initialization.
  * We perform minimal initialization; enough to work with the main thread.
@@ -1255,6 +1275,13 @@ libc_init(void)
 	(void) _atexit(__cleanup);
 
 	/*
+	 * Every libc, regardless of link map, needs to go through and check its
+	 * aux vectors so as to indicate whether or not this has been given a
+	 * brand root with which we use to qualify various other data.
+	 */
+	init_brandroot(udp);
+
+	/*
 	 * We keep our uberdata on one of (a) the first alternate link map
 	 * or (b) the primary link map.  We switch to the primary link map
 	 * and stay there once we see it.  All intermediate link maps are
diff --git a/usr/src/lib/libc/sparc/Makefile.com b/usr/src/lib/libc/sparc/Makefile.com
index 2991bb2d4d..1e54306c85 100644
--- a/usr/src/lib/libc/sparc/Makefile.com
+++ b/usr/src/lib/libc/sparc/Makefile.com
@@ -449,6 +449,7 @@ PORTGEN=			\
 	fdetach.o		\
 	fdopendir.o		\
 	ffs.o			\
+	flock.o			\
 	fls.o			\
 	fmtmsg.o		\
 	ftime.o			\
@@ -937,6 +938,8 @@ PORTSYS=			\
 	chmod.o			\
 	chown.o			\
 	corectl.o		\
+	epoll.o			\
+	eventfd.o		\
 	exacctsys.o		\
 	execl.o			\
 	execle.o		\
@@ -944,6 +947,7 @@ PORTSYS=			\
 	fcntl.o			\
 	getpagesizes.o		\
 	getpeerucred.o		\
+	inotify.o		\
 	inst_sync.o		\
 	issetugid.o		\
 	label.o			\
@@ -981,6 +985,7 @@ PORTSYS=			\
 	tasksys.o		\
 	time.o			\
 	time_util.o		\
+	timerfd.o		\
 	ucontext.o		\
 	unlink.o		\
 	ustat.o			\
diff --git a/usr/src/lib/libc/sparc/crt/_rtld.c b/usr/src/lib/libc/sparc/crt/_rtld.c
index a9e9c6d98a..843cfe03a5 100644
--- a/usr/src/lib/libc/sparc/crt/_rtld.c
+++ b/usr/src/lib/libc/sparc/crt/_rtld.c
@@ -62,6 +62,15 @@
 #define	SYSCONFIG (*(funcs[SYSCONFIG_F]))
 
 /*
+ * GCC will not emit unused static functions unless specifically told it must
+ */
+#ifdef __GNUC__
+#define	__USED	__attribute__((used))
+#else
+#define	__USED
+#endif
+
+/*
  * Alias ld.so entry point -- receives a bootstrap structure and a vector
  * of strings.  The vector is "well-known" to us, and consists of pointers
  * to string constants.  This aliasing bootstrap requires no relocation in
diff --git a/usr/src/lib/libc/sparcv9/Makefile.com b/usr/src/lib/libc/sparcv9/Makefile.com
index 255121cab6..b8e5e9670b 100644
--- a/usr/src/lib/libc/sparcv9/Makefile.com
+++ b/usr/src/lib/libc/sparcv9/Makefile.com
@@ -409,6 +409,7 @@ PORTGEN=			\
 	fdetach.o		\
 	fdopendir.o		\
 	ffs.o			\
+	flock.o			\
 	fls.o			\
 	fmtmsg.o		\
 	ftime.o			\
@@ -881,6 +882,7 @@ PORTSYS=			\
 	chmod.o			\
 	chown.o			\
 	corectl.o		\
+	epoll.o			\
 	exacctsys.o		\
 	execl.o			\
 	execle.o		\
diff --git a/usr/src/lib/libc_db/common/thread_db.c b/usr/src/lib/libc_db/common/thread_db.c
index 77c44b2782..b58971dfec 100644
--- a/usr/src/lib/libc_db/common/thread_db.c
+++ b/usr/src/lib/libc_db/common/thread_db.c
@@ -24,6 +24,10 @@
  * Use is subject to license terms.
  */
 
+/*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <stddef.h>
@@ -146,6 +150,7 @@ static td_err_e
 td_read_uberdata(td_thragent_t *ta_p)
 {
 	struct ps_prochandle *ph_p = ta_p->ph_p;
+	int i;
 
 	if (ta_p->model == PR_MODEL_NATIVE) {
 		uberdata_t uberdata;
@@ -163,12 +168,10 @@ td_read_uberdata(td_thragent_t *ta_p)
 		if (ps_pdread(ph_p, (psaddr_t)uberdata.tdb.tdb_events,
 		    ta_p->tdb_events, sizeof (ta_p->tdb_events)) != PS_OK)
 			return (TD_DBERR);
-
 	} else {
 #if defined(_LP64) && defined(_SYSCALL32)
 		uberdata32_t uberdata;
 		caddr32_t tdb_events[TD_MAX_EVENT_NUM - TD_MIN_EVENT_NUM + 1];
-		int i;
 
 		if (ps_pdread(ph_p, ta_p->uberdata_addr,
 		    &uberdata, sizeof (uberdata)) != PS_OK)
@@ -189,6 +192,29 @@ td_read_uberdata(td_thragent_t *ta_p)
 		return (TD_DBERR);
 #endif
 	}
+
+	/*
+	 * Unfortunately, we are (implicitly) assuming that our uberdata
+	 * definition precisely matches that of our target.  If this is not
+	 * true (that is, if we're examining a core file from a foreign
+	 * system that has a different definition of uberdata), the failure
+	 * modes can be frustratingly non-explicit.  In an effort to catch
+	 * this upon initialization (when the debugger may still be able to
+	 * opt for another thread model or may be able to fail explicitly), we
+	 * check that each of our tdb_events points to valid memory (these are
+	 * putatively text upon which a breakpoint can be issued), with the
+	 * hope that this is enough of a self-consistency check to lead to
+	 * explicit failure on a mismatch.
+	 */
+	for (i = 0; i < TD_MAX_EVENT_NUM - TD_MIN_EVENT_NUM + 1; i++) {
+		uint8_t check;
+
+		if (ps_pdread(ph_p, (psaddr_t)ta_p->tdb_events[i],
+		    &check, sizeof (check)) != PS_OK) {
+			return (TD_DBERR);
+		}
+	}
+
 	if (ta_p->hash_size != 1) {	/* multi-threaded */
 		ta_p->initialized = 2;
 		ta_p->single_lwpid = 0;
diff --git a/usr/src/lib/libcmdutils/common/custr.c b/usr/src/lib/libcmdutils/common/custr.c
index 1ec72de9dd..03a9561934 100644
--- a/usr/src/lib/libcmdutils/common/custr.c
+++ b/usr/src/lib/libcmdutils/common/custr.c
@@ -20,13 +20,20 @@
 #include <stdlib.h>
 #include <err.h>
 #include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
 
 #include "libcmdutils.h"
 
+typedef enum {
+	CUSTR_FIXEDBUF	= 0x01
+} custr_flags_t;
+
 struct custr {
 	size_t cus_strlen;
 	size_t cus_datalen;
 	char *cus_data;
+	custr_flags_t cus_flags;
 };
 
 #define	STRING_CHUNK_SIZE	64
@@ -53,23 +60,15 @@ custr_cstr(custr_t *cus)
 	return (cus->cus_data);
 }
 
-int
-custr_appendc(custr_t *cus, char newc)
-{
-	char news[2];
-
-	news[0] = newc;
-	news[1] = '\0';
-
-	return (custr_append(cus, news));
-}
-
-int
-custr_append(custr_t *cus, const char *news)
+static int
+custr_append_vprintf(custr_t *cus, const char *fmt, va_list ap)
 {
-	size_t len = strlen(news);
+	int len = vsnprintf(NULL, 0, fmt, ap);
 	size_t chunksz = STRING_CHUNK_SIZE;
 
+	if (len == -1)
+		return (len);
+
 	while (chunksz < len) {
 		chunksz *= 2;
 	}
@@ -78,6 +77,11 @@ custr_append(custr_t *cus, const char *news)
 		char *new_data;
 		size_t new_datalen = cus->cus_datalen + chunksz;
 
+		if (cus->cus_flags & CUSTR_FIXEDBUF) {
+			errno = EOVERFLOW;
+			return (-1);
+		}
+
 		/*
 		 * Allocate replacement memory:
 		 */
@@ -104,13 +108,41 @@ custr_append(custr_t *cus, const char *news)
 	/*
 	 * Append new string to existing string:
 	 */
-	(void) memcpy(cus->cus_data + cus->cus_strlen, news, len + 1);
+	len = vsnprintf(cus->cus_data + cus->cus_strlen,
+	    (uintptr_t)cus->cus_data - (uintptr_t)cus->cus_strlen, fmt, ap);
+	if (len == -1)
+		return (len);
 	cus->cus_strlen += len;
 
 	return (0);
 }
 
 int
+custr_appendc(custr_t *cus, char newc)
+{
+	return (custr_append_printf(cus, "%c", newc));
+}
+
+int
+custr_append_printf(custr_t *cus, const char *fmt, ...)
+{
+	va_list ap;
+	int ret;
+
+	va_start(ap, fmt);
+	ret = custr_append_vprintf(cus, fmt, ap);
+	va_end(ap);
+
+	return (ret);
+}
+
+int
+custr_append(custr_t *cus, const char *name)
+{
+	return (custr_append_printf(cus, "%s", name));
+}
+
+int
 custr_alloc(custr_t **cus)
 {
 	custr_t *t;
@@ -124,12 +156,35 @@ custr_alloc(custr_t **cus)
 	return (0);
 }
 
+int
+custr_alloc_buf(custr_t **cus, void *buf, size_t buflen)
+{
+	int ret;
+
+	if (buflen == 0 || buf == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if ((ret = custr_alloc(cus)) != 0)
+		return (ret);
+
+	(*cus)->cus_data = buf;
+	(*cus)->cus_datalen = buflen;
+	(*cus)->cus_strlen = 0;
+	(*cus)->cus_flags = CUSTR_FIXEDBUF;
+	(*cus)->cus_data[0] = '\0';
+
+	return (0);
+}
+
 void
 custr_free(custr_t *cus)
 {
 	if (cus == NULL)
 		return;
 
-	free(cus->cus_data);
+	if ((cus->cus_flags & CUSTR_FIXEDBUF) == 0)
+		free(cus->cus_data);
 	free(cus);
 }
diff --git a/usr/src/lib/libcmdutils/common/mapfile-vers b/usr/src/lib/libcmdutils/common/mapfile-vers
index 640959e4b5..3106695eb0 100644
--- a/usr/src/lib/libcmdutils/common/mapfile-vers
+++ b/usr/src/lib/libcmdutils/common/mapfile-vers
@@ -43,8 +43,10 @@ SYMBOL_VERSION SUNWprivate_1.1 {
     global:
 	add_tnode;
 	custr_alloc;
+	custr_alloc_buf;
 	custr_append;
 	custr_appendc;
+	custr_append_printf;
 	custr_cstr;
 	custr_free;
 	custr_len;
diff --git a/usr/src/lib/libcmdutils/libcmdutils.h b/usr/src/lib/libcmdutils/libcmdutils.h
index bbc03475dc..e0c97178dc 100644
--- a/usr/src/lib/libcmdutils/libcmdutils.h
+++ b/usr/src/lib/libcmdutils/libcmdutils.h
@@ -156,6 +156,12 @@ extern int custr_alloc(custr_t **);
 extern void custr_free(custr_t *);
 
 /*
+ * Allocate a "custr_t" dynamic string object that operates on a fixed external
+ * buffer.
+ */
+extern int custr_alloc_buf(custr_t **, void *, size_t);
+
+/*
  * Append a single character, or a NUL-terminated string of characters, to a
  * dynamic string.  Returns 0 on success and -1 otherwise.  The dynamic string
  * will be unmodified if the function returns -1.
@@ -164,6 +170,13 @@ extern int custr_appendc(custr_t *, char);
 extern int custr_append(custr_t *, const char *);
 
 /*
+ * Append a format string and arguments as though the contents were being parsed
+ * through snprintf. Returns 0 on success and -1 otherwise.  The dynamic string
+ * will be unmodified if the function returns -1.
+ */
+extern int custr_append_printf(custr_t *, const char *, ...);
+
+/*
  * Determine the length in bytes, not including the NUL terminator, of the
  * dynamic string.
  */
diff --git a/usr/src/lib/libctf/Makefile.com b/usr/src/lib/libctf/Makefile.com
index 4d1e01d4eb..0169c2a367 100644
--- a/usr/src/lib/libctf/Makefile.com
+++ b/usr/src/lib/libctf/Makefile.com
@@ -23,43 +23,9 @@
 # Use is subject to license terms.
 #
 
-LIBRARY = libctf.a
-VERS = .1
-
-COMMON_OBJS = \
-	ctf_create.o \
-	ctf_decl.o \
-	ctf_error.o \
-	ctf_hash.o \
-	ctf_labels.o \
-	ctf_lookup.o \
-	ctf_open.o \
-	ctf_types.o \
-	ctf_util.o
-
-LIB_OBJS = \
-	ctf_lib.o \
-	ctf_subr.o
-
-OBJECTS = $(COMMON_OBJS) $(LIB_OBJS)
-
-include ../../Makefile.lib
+include ../Makefile.shared.com
 include ../../Makefile.rootfs
 
-SRCS = $(COMMON_OBJS:%.o=../../../common/ctf/%.c) $(LIB_OBJS:%.o=../common/%.c)
-LIBS = $(DYNLIB) $(LINTLIB)
-
-SRCDIR = ../common
-
-CPPFLAGS += -I../common -I../../../common/ctf -DCTF_OLD_VERSIONS
-CFLAGS += $(CCVERBOSE)
-
-CERRWARN += -_gcc=-Wno-uninitialized
-
-LDLIBS += -lc
-
-$(LINTLIB) := SRCS = $(SRCDIR)/$(LINTSRC)
-
 .KEEP_STATE:
 
 all: $(LIBS)
@@ -67,7 +33,4 @@ all: $(LIBS)
 lint: lintcheck
 
 include ../../Makefile.targ
-
-objs/%.o pics/%.o: ../../../common/ctf/%.c
-	$(COMPILE.c) -o $@ $<
-	$(POST_PROCESS_O)
+include ../Makefile.shared.targ
diff --git a/usr/src/lib/libctf/Makefile.shared.com b/usr/src/lib/libctf/Makefile.shared.com
new file mode 100644
index 0000000000..a0370fc944
--- /dev/null
+++ b/usr/src/lib/libctf/Makefile.shared.com
@@ -0,0 +1,79 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# Copyright (c) 2015, Joyent, Inc.  All rights reserved.
+#
+
+#
+# This Makefile is shared between the libctf native build in tools and
+# the libctf build here for the system.
+#
+LIBRARY = libctf.a
+VERS = .1
+
+COMMON_OBJS = \
+	ctf_create.o \
+	ctf_decl.o \
+	ctf_error.o \
+	ctf_hash.o \
+	ctf_labels.o \
+	ctf_lookup.o \
+	ctf_open.o \
+	ctf_types.o \
+	ctf_util.o
+
+LIST_OBJS = \
+	list.o
+
+LIB_OBJS = \
+	ctf_elfwrite.o \
+	ctf_diff.o \
+	ctf_lib.o \
+	ctf_merge.o \
+	ctf_subr.o
+
+OBJECTS = $(COMMON_OBJS) $(LIB_OBJS) $(LIST_OBJS)
+MAPFILEDIR = $(SRC)/lib/libctf
+
+include $(SRC)/lib/Makefile.lib
+
+SRCS = \
+	$(COMMON_OBJS:%.o=$(SRC)/common/ctf/%.c) \
+	$(LIB_OBJS:%.o=$(SRC)/lib/libctf/common/%.c) \
+	$(LIST_OBJS:%.o=$(SRC)/common/list/%.c) \
+	
+LIBS = $(DYNLIB) $(LINTLIB)
+LDLIBS += -lc -lelf
+
+C99MODE=	-xc99=%all
+C99LMODE=	-Xc99=%all
+
+SRCDIR = $(SRC)/lib/libctf/common
+
+CPPFLAGS += -I$(SRC)/lib/libctf/common -I$(SRC)/common/ctf -DCTF_OLD_VERSIONS
+CFLAGS += $(CCVERBOSE)
+
+CERRWARN += -_gcc=-Wno-uninitialized
+
+$(LINTLIB) := SRCS = $(SRCDIR)/$(LINTSRC)
diff --git a/usr/src/lib/libctf/Makefile.shared.targ b/usr/src/lib/libctf/Makefile.shared.targ
new file mode 100644
index 0000000000..282be86075
--- /dev/null
+++ b/usr/src/lib/libctf/Makefile.shared.targ
@@ -0,0 +1,26 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2015, Joyent, Inc.  All rights reserved.
+#
+
+#
+# This Makefile is shared between both the tools and the normal library build.
+#
+
+pics/%.o: $(SRC)/common/ctf/%.c
+	$(COMPILE.c) -o $@ $<
+	$(POST_PROCESS_O)
+
+pics/%.o: $(SRC)/common/list/%.c
+	$(COMPILE.c) -o $@ $<
+	$(POST_PROCESS_O)
diff --git a/usr/src/lib/libctf/common/ctf_diff.c b/usr/src/lib/libctf/common/ctf_diff.c
new file mode 100644
index 0000000000..e819fe02cb
--- /dev/null
+++ b/usr/src/lib/libctf/common/ctf_diff.c
@@ -0,0 +1,1277 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * The following ia a basic overview of how we diff types in containers (the
+ * generally interesting part of diff, and what's used by merge). We maintain
+ * two mapping tables, a table of forward mappings (src->dest), and a reverse
+ * mapping (dest->src). Both are initialized to contain no mapping, and can also
+ * be updated to contain a negative mapping.
+ *
+ * What we do first is iterate over each type in the src container, and compare
+ * it with a type in the destination container. This may involve doing recursive
+ * comparisons -- which can involve cycles. To deal with this, whenever we
+ * encounter something which may be cyclic, we insert a guess. In other words,
+ * we assume that it may be true. This is necessary for the classic case of the
+ * following structure:
+ *
+ * struct foo {
+ * 	struct foo *foo_next;
+ * };
+ *
+ * If it turns out that we were wrong, we discard our guesses.
+ *
+ * If we find that a given type in src has no corresponding entry in dst, we
+ * then mark its map as CTF_ERR (-1) to indicate that it has *no* match, as
+ * opposed to the default value of 0, which indicates an unknown match.
+ * Once we've done the first iteration through src, we know at that point in
+ * time whether everything in dst is similar or not and can simply walk over it
+ * and don't have to do any additional checks.
+ */
+
+#include <libctf.h>
+#include <ctf_impl.h>
+#include <sys/debug.h>
+
+typedef struct ctf_diff_func {
+	const char *cdf_name;
+	ulong_t cdf_symidx;
+	ulong_t cdf_matchidx;
+} ctf_diff_func_t;
+
+typedef struct ctf_diff_obj {
+	const char *cdo_name;
+	ulong_t cdo_symidx;
+	ctf_id_t cdo_id;
+	ulong_t cdo_matchidx;
+} ctf_diff_obj_t;
+
+typedef struct ctf_diff_guess {
+	struct ctf_diff_guess *cdg_next;
+	ctf_id_t cdg_iid;
+	ctf_id_t cdg_oid;
+} ctf_diff_guess_t;
+
+/* typedef in libctf.h */
+struct ctf_diff {
+	uint_t cds_flags;
+	boolean_t cds_tvalid;	/* types valid */
+	ctf_file_t *cds_ifp;
+	ctf_file_t *cds_ofp;
+	ctf_id_t *cds_forward;
+	ctf_id_t *cds_reverse;
+	ctf_diff_type_f cds_func;
+	ctf_diff_guess_t *cds_guess;
+	void *cds_arg;
+	uint_t cds_nifuncs;
+	uint_t cds_nofuncs;
+	uint_t cds_nextifunc;
+	uint_t cds_nextofunc;
+	ctf_diff_func_t *cds_ifuncs;
+	ctf_diff_func_t *cds_ofuncs;
+	boolean_t cds_ffillip;
+	boolean_t cds_fvalid;
+	uint_t cds_niobj;
+	uint_t cds_noobj;
+	uint_t cds_nextiobj;
+	uint_t cds_nextoobj;
+	ctf_diff_obj_t *cds_iobj;
+	ctf_diff_obj_t *cds_oobj;
+	boolean_t cds_ofillip;
+	boolean_t cds_ovalid;
+};
+
+#define	TINDEX(tid) (tid - 1)
+
+/*
+ * Team Diff
+ */
+static int ctf_diff_type(ctf_diff_t *, ctf_file_t *, ctf_id_t, ctf_file_t *,
+    ctf_id_t);
+
+static int
+ctf_diff_name(ctf_file_t *ifp, ctf_id_t iid, ctf_file_t *ofp, ctf_id_t oid)
+{
+	const char *iname, *oname;
+	const ctf_type_t *itp, *otp;
+
+	if ((itp = ctf_lookup_by_id(&ifp, iid)) == NULL)
+		return (CTF_ERR);
+
+	if ((otp = ctf_lookup_by_id(&ofp, oid)) == NULL)
+		return (ctf_set_errno(ifp, iid));
+
+	iname = ctf_strptr(ifp, itp->ctt_name);
+	oname = ctf_strptr(ofp, otp->ctt_name);
+
+	if ((iname == NULL || oname == NULL) && (iname != oname))
+		return (B_TRUE);
+
+	/* Two anonymous names are the same */
+	if (iname == NULL && oname == NULL)
+		return (B_FALSE);
+
+	return (strcmp(iname, oname) == 0 ? B_FALSE: B_TRUE);
+}
+
+/*
+ * For floats and ints
+ */
+static int
+ctf_diff_number(ctf_file_t *ifp, ctf_id_t iid, ctf_file_t *ofp, ctf_id_t oid)
+{
+	ctf_encoding_t ien, den;
+
+	if (ctf_type_encoding(ifp, iid, &ien) != 0)
+		return (CTF_ERR);
+
+	if (ctf_type_encoding(ofp, oid, &den) != 0)
+		return (ctf_set_errno(ifp, iid));
+
+	if (bcmp(&ien, &den, sizeof (ctf_encoding_t)) != 0)
+		return (B_TRUE);
+
+	return (B_FALSE);
+}
+
+/*
+ * Two qualifiers are equivalent iff they point to two equivalent types.
+ */
+static int
+ctf_diff_qualifier(ctf_diff_t *cds, ctf_file_t *ifp, ctf_id_t iid,
+    ctf_file_t *ofp, ctf_id_t oid)
+{
+	ctf_id_t iref, oref;
+
+	iref = ctf_type_reference(ifp, iid);
+	if (iref == CTF_ERR)
+		return (CTF_ERR);
+
+	oref = ctf_type_reference(ofp, oid);
+	if (oref == CTF_ERR)
+		return (ctf_set_errno(ifp, ctf_errno(ofp)));
+
+	return (ctf_diff_type(cds, ifp, iref, ofp, oref));
+}
+
+/*
+ * Two arrays are the same iff they have the same type for contents, the same
+ * type for the index, and the same number of elements.
+ */
+static int
+ctf_diff_array(ctf_diff_t *cds, ctf_file_t *ifp, ctf_id_t iid, ctf_file_t *ofp,
+    ctf_id_t oid)
+{
+	int ret;
+	ctf_arinfo_t iar, oar;
+
+	if (ctf_array_info(ifp, iid, &iar) == CTF_ERR)
+		return (CTF_ERR);
+
+	if (ctf_array_info(ofp, oid, &oar) == CTF_ERR)
+		return (ctf_set_errno(ifp, ctf_errno(ofp)));
+
+	ret = ctf_diff_type(cds, ifp, iar.ctr_contents, ofp, oar.ctr_contents);
+	if (ret != B_FALSE)
+		return (ret);
+
+	if (iar.ctr_nelems != oar.ctr_nelems)
+		return (B_TRUE);
+
+	/*
+	 * If we're ignoring integer types names, then we're trying to do a bit
+	 * of a logical diff and we don't really care about the fact that the
+	 * index element might not be the same here, what we care about are the
+	 * number of elements and that they're the same type.
+	 */
+	if ((cds->cds_flags & CTF_DIFF_F_IGNORE_INTNAMES) == 0) {
+		ret = ctf_diff_type(cds, ifp, iar.ctr_index, ofp,
+		    oar.ctr_index);
+		if (ret != B_FALSE)
+			return (ret);
+	}
+
+	return (B_FALSE);
+}
+
+/*
+ * Two function pointers are the same if the following is all true:
+ *
+ *   o They have the same return type
+ *   o They have the same number of arguments
+ *   o The arguments are of the same type
+ *   o They have the same flags
+ */
+static int
+ctf_diff_fptr(ctf_diff_t *cds, ctf_file_t *ifp, ctf_id_t iid, ctf_file_t *ofp,
+    ctf_id_t oid)
+{
+	int ret, i;
+	ctf_funcinfo_t ifunc, ofunc;
+	ctf_id_t *iids, *oids;
+
+	if (ctf_func_info_by_id(ifp, iid, &ifunc) == CTF_ERR)
+		return (CTF_ERR);
+
+	if (ctf_func_info_by_id(ofp, oid, &ofunc) == CTF_ERR)
+		return (ctf_set_errno(ifp, ctf_errno(ofp)));
+
+	if (ifunc.ctc_argc != ofunc.ctc_argc)
+		return (B_TRUE);
+
+	if (ifunc.ctc_flags != ofunc.ctc_flags)
+		return (B_TRUE);
+
+	ret = ctf_diff_type(cds, ifp, ifunc.ctc_return, ofp, ofunc.ctc_return);
+	if (ret != B_FALSE)
+		return (ret);
+
+	iids = ctf_alloc(sizeof (ctf_id_t) * ifunc.ctc_argc);
+	if (iids == NULL)
+		return (ctf_set_errno(ifp, ENOMEM));
+
+	oids = ctf_alloc(sizeof (ctf_id_t) * ifunc.ctc_argc);
+	if (oids == NULL) {
+		ctf_free(iids, sizeof (ctf_id_t) * ifunc.ctc_argc);
+		return (ctf_set_errno(ifp, ENOMEM));
+	}
+
+	if (ctf_func_args_by_id(ifp, iid, ifunc.ctc_argc, iids) == CTF_ERR) {
+		ret = CTF_ERR;
+		goto out;
+	}
+
+	if (ctf_func_args_by_id(ofp, oid, ofunc.ctc_argc, oids) == CTF_ERR) {
+		ret = ctf_set_errno(ifp, ctf_errno(ofp));
+		goto out;
+	}
+
+	ret = B_TRUE;
+	for (i = 0; i < ifunc.ctc_argc; i++) {
+		ret = ctf_diff_type(cds, ifp, iids[i], ofp, oids[i]);
+		if (ret != B_FALSE)
+			goto out;
+	}
+	ret = B_FALSE;
+
+out:
+	ctf_free(iids, sizeof (ctf_id_t) * ifunc.ctc_argc);
+	ctf_free(oids, sizeof (ctf_id_t) * ofunc.ctc_argc);
+	return (ret);
+}
+
+/*
+ * Two structures are the same if every member is identical to its corresponding
+ * type, at the same offset, and has the same name.
+ */
+static int
+ctf_diff_struct(ctf_diff_t *cds, ctf_file_t *ifp, ctf_id_t iid, ctf_file_t *ofp,
+    ctf_id_t oid)
+{
+	ctf_file_t *oifp;
+	const ctf_type_t *itp, *otp;
+	ssize_t isize, iincr, osize, oincr;
+	const ctf_member_t *imp, *omp;
+	const ctf_lmember_t *ilmp, *olmp;
+	int n;
+	ctf_diff_guess_t *cdg;
+
+	oifp = ifp;
+
+	if ((itp = ctf_lookup_by_id(&ifp, iid)) == NULL)
+		return (CTF_ERR);
+
+	if ((otp = ctf_lookup_by_id(&ofp, oid)) == NULL)
+		return (ctf_set_errno(oifp, ctf_errno(ofp)));
+
+	if (LCTF_INFO_VLEN(ifp, itp->ctt_info) !=
+	    LCTF_INFO_VLEN(ofp, otp->ctt_info))
+		return (B_TRUE);
+
+	(void) ctf_get_ctt_size(ifp, itp, &isize, &iincr);
+	(void) ctf_get_ctt_size(ofp, otp, &osize, &oincr);
+
+	if (ifp->ctf_version == CTF_VERSION_1 || isize < CTF_LSTRUCT_THRESH) {
+		imp = (const ctf_member_t *)((uintptr_t)itp + iincr);
+		ilmp = NULL;
+	} else {
+		imp = NULL;
+		ilmp = (const ctf_lmember_t *)((uintptr_t)itp + iincr);
+	}
+
+	if (ofp->ctf_version == CTF_VERSION_1 || osize < CTF_LSTRUCT_THRESH) {
+		omp = (const ctf_member_t *)((uintptr_t)otp + oincr);
+		olmp = NULL;
+	} else {
+		omp = NULL;
+		olmp = (const ctf_lmember_t *)((uintptr_t)otp + oincr);
+	}
+
+	/*
+	 * Insert our assumption that they're equal for the moment.
+	 */
+	cdg = ctf_alloc(sizeof (ctf_diff_guess_t));
+	if (cdg == NULL)
+		return (ctf_set_errno(ifp, ENOMEM));
+	cdg->cdg_iid = iid;
+	cdg->cdg_oid = oid;
+	cdg->cdg_next = cds->cds_guess;
+	cds->cds_guess = cdg;
+	cds->cds_forward[TINDEX(iid)] = oid;
+	cds->cds_reverse[TINDEX(oid)] = iid;
+
+	for (n = LCTF_INFO_VLEN(ifp, itp->ctt_info); n != 0; n--) {
+		const char *iname, *oname;
+		ulong_t ioff, ooff;
+		ctf_id_t itype, otype;
+		int ret;
+
+		if (imp != NULL) {
+			iname = ctf_strptr(ifp, imp->ctm_name);
+			ioff = imp->ctm_offset;
+			itype = imp->ctm_type;
+		} else {
+			iname = ctf_strptr(ifp, ilmp->ctlm_name);
+			ioff = CTF_LMEM_OFFSET(ilmp);
+			itype = ilmp->ctlm_type;
+		}
+
+		if (omp != NULL) {
+			oname = ctf_strptr(ofp, omp->ctm_name);
+			ooff = omp->ctm_offset;
+			otype = omp->ctm_type;
+		} else {
+			oname = ctf_strptr(ofp, olmp->ctlm_name);
+			ooff = CTF_LMEM_OFFSET(olmp);
+			otype = olmp->ctlm_type;
+		}
+
+		if (ioff != ooff) {
+			return (B_TRUE);
+		}
+		if (strcmp(iname, oname) != 0) {
+			return (B_TRUE);
+		}
+		ret = ctf_diff_type(cds, ifp, itype, ofp, otype);
+		if (ret != B_FALSE) {
+			return (ret);
+		}
+
+		/* Advance our pointers */
+		if (imp != NULL)
+			imp++;
+		if (ilmp != NULL)
+			ilmp++;
+		if (omp != NULL)
+			omp++;
+		if (olmp != NULL)
+			olmp++;
+	}
+
+	return (B_FALSE);
+}
+
+/*
+ * Two unions are the same if they have the same set of members. This is similar
+ * to, but slightly different from a struct. The offsets of members don't
+ * matter. However, their is no guarantee of ordering so we have to fall back to
+ * doing an O(N^2) scan.
+ */
+typedef struct ctf_diff_union_member {
+	ctf_diff_t *cdum_cds;
+	ctf_file_t *cdum_fp;
+	ctf_file_t *cdum_iterfp;
+	const char *cdum_name;
+	ctf_id_t cdum_type;
+	int cdum_ret;
+} ctf_diff_union_member_t;
+
+typedef struct ctf_diff_union_fp {
+	ctf_diff_t *cduf_cds;
+	ctf_file_t *cduf_curfp;
+	ctf_file_t *cduf_altfp;
+	ctf_id_t cduf_type;
+	int cduf_ret;
+} ctf_diff_union_fp_t;
+
+/* ARGSUSED */
+static int
+ctf_diff_union_check_member(const char *name, ctf_id_t id, ulong_t off,
+    void *arg)
+{
+	int ret;
+	ctf_diff_union_member_t *cdump = arg;
+
+	if (strcmp(name, cdump->cdum_name) != 0)
+		return (0);
+
+	ret = ctf_diff_type(cdump->cdum_cds, cdump->cdum_fp, cdump->cdum_type,
+	    cdump->cdum_iterfp, id);
+	if (ret == CTF_ERR) {
+		cdump->cdum_ret = CTF_ERR;
+		return (1);
+	}
+
+	if (ret == B_FALSE) {
+		cdump->cdum_ret = B_FALSE;
+		/* Return non-zero to stop iteration as we have a match */
+		return (1);
+	}
+
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+ctf_diff_union_check_fp(const char *name, ctf_id_t id, ulong_t off, void *arg)
+{
+	int ret;
+	ctf_diff_union_member_t cdum;
+	ctf_diff_union_fp_t *cdufp = arg;
+
+	cdum.cdum_cds = cdufp->cduf_cds;
+	cdum.cdum_fp = cdufp->cduf_curfp;
+	cdum.cdum_iterfp = cdufp->cduf_altfp;
+	cdum.cdum_name = name;
+	cdum.cdum_type = id;
+	cdum.cdum_ret = B_TRUE;
+
+	ret = ctf_member_iter(cdum.cdum_iterfp, cdufp->cduf_type,
+	    ctf_diff_union_check_member, &cdum);
+	if (ret == 0 || cdum.cdum_ret == CTF_ERR) {
+		/* No match found or error, terminate now */
+		cdufp->cduf_ret = cdum.cdum_ret;
+		return (1);
+	} else if (ret == CTF_ERR) {
+		(void) ctf_set_errno(cdum.cdum_fp, ctf_errno(cdum.cdum_iterfp));
+		cdufp->cduf_ret = CTF_ERR;
+		return (1);
+	} else {
+		ASSERT(cdum.cdum_ret == B_FALSE);
+		cdufp->cduf_ret = cdum.cdum_ret;
+		return (0);
+	}
+}
+
+static int
+ctf_diff_union(ctf_diff_t *cds, ctf_file_t *ifp, ctf_id_t iid, ctf_file_t *ofp,
+    ctf_id_t oid)
+{
+	ctf_file_t *oifp;
+	const ctf_type_t *itp, *otp;
+	ctf_diff_union_fp_t cduf;
+	ctf_diff_guess_t *cdg;
+	int ret;
+
+	oifp = ifp;
+	if ((itp = ctf_lookup_by_id(&ifp, iid)) == NULL)
+		return (CTF_ERR);
+	if ((otp = ctf_lookup_by_id(&ofp, oid)) == NULL)
+		return (ctf_set_errno(oifp, ctf_errno(ofp)));
+
+	if (LCTF_INFO_VLEN(ifp, itp->ctt_info) !=
+	    LCTF_INFO_VLEN(ofp, otp->ctt_info))
+		return (B_TRUE);
+
+	cdg = ctf_alloc(sizeof (ctf_diff_guess_t));
+	if (cdg == NULL)
+		return (ctf_set_errno(ifp, ENOMEM));
+	cdg->cdg_iid = iid;
+	cdg->cdg_oid = oid;
+	cdg->cdg_next = cds->cds_guess;
+	cds->cds_guess = cdg;
+	cds->cds_forward[TINDEX(iid)] = oid;
+	cds->cds_reverse[TINDEX(oid)] = iid;
+
+	cduf.cduf_cds = cds;
+	cduf.cduf_curfp = ifp;
+	cduf.cduf_altfp = ofp;
+	cduf.cduf_type = oid;
+	cduf.cduf_ret = B_TRUE;
+	ret = ctf_member_iter(ifp, iid, ctf_diff_union_check_fp, &cduf);
+	if (ret != CTF_ERR)
+		ret = cduf.cduf_ret;
+
+	return (ret);
+}
+
+/*
+ * Two enums are equivalent if they share the same underlying type and they have
+ * the same set of members.
+ */
+static int
+ctf_diff_enum(ctf_file_t *ifp, ctf_id_t iid, ctf_file_t *ofp, ctf_id_t oid)
+{
+	ctf_file_t *oifp;
+	const ctf_type_t *itp, *otp;
+	ssize_t iincr, oincr;
+	const ctf_enum_t *iep, *oep;
+	int n;
+
+	oifp = ifp;
+	if ((itp = ctf_lookup_by_id(&ifp, iid)) == NULL)
+		return (CTF_ERR);
+	if ((otp = ctf_lookup_by_id(&ofp, oid)) == NULL)
+		return (ctf_set_errno(oifp, ctf_errno(ofp)));
+
+	if (LCTF_INFO_VLEN(ifp, itp->ctt_info) !=
+	    LCTF_INFO_VLEN(ofp, otp->ctt_info))
+		return (B_TRUE);
+
+	(void) ctf_get_ctt_size(ifp, itp, NULL, &iincr);
+	(void) ctf_get_ctt_size(ofp, otp, NULL, &oincr);
+	iep = (const ctf_enum_t *)((uintptr_t)itp + iincr);
+	oep = (const ctf_enum_t *)((uintptr_t)otp + oincr);
+
+	for (n = LCTF_INFO_VLEN(ifp, itp->ctt_info); n != 0;
+	    n--, iep++, oep++) {
+		if (strcmp(ctf_strptr(ifp, iep->cte_name),
+		    ctf_strptr(ofp, oep->cte_name)) != 0)
+			return (B_TRUE);
+
+		if (iep->cte_value != oep->cte_value)
+			return (B_TRUE);
+	}
+
+	return (B_FALSE);
+}
+
+/*
+ * Two forwards are equivalent in one of two cases. If both are forwards, than
+ * they are the same. Otherwise, they're equivalent if one is a struct or union
+ * and the other is a forward.
+ */
+static int
+ctf_diff_forward(ctf_file_t *ifp, ctf_id_t iid, ctf_file_t *ofp, ctf_id_t oid)
+{
+	int ikind, okind;
+
+	ikind = ctf_type_kind(ifp, iid);
+	okind = ctf_type_kind(ofp, oid);
+
+	if (ikind == okind) {
+		ASSERT(ikind == CTF_K_FORWARD);
+		return (B_FALSE);
+	} else if (ikind == CTF_K_FORWARD) {
+		return (okind != CTF_K_UNION && okind != CTF_K_STRUCT);
+	} else {
+		return (ikind != CTF_K_UNION && ikind != CTF_K_STRUCT);
+	}
+}
+
+/*
+ * Are two types equivalent?
+ */
+int
+ctf_diff_type(ctf_diff_t *cds, ctf_file_t *ifp, ctf_id_t iid, ctf_file_t *ofp,
+    ctf_id_t oid)
+{
+	int ret, ikind, okind;
+
+	/* Do a quick short circuit */
+	if (ifp == ofp && iid == oid)
+		return (B_FALSE);
+
+	/*
+	 * Check if it's something we've already encountered in a forward
+	 * reference or forward negative table. Also double check the reverse
+	 * table.
+	 */
+	if (cds->cds_forward[TINDEX(iid)] == oid)
+		return (B_FALSE);
+	if (cds->cds_forward[TINDEX(iid)] != 0)
+		return (B_TRUE);
+	if (cds->cds_reverse[TINDEX(oid)] == iid)
+		return (B_FALSE);
+	if ((cds->cds_flags & CTF_DIFF_F_IGNORE_INTNAMES) == 0 &&
+	    cds->cds_reverse[TINDEX(oid)] != 0)
+		return (B_TRUE);
+
+	ikind = ctf_type_kind(ifp, iid);
+	okind = ctf_type_kind(ofp, oid);
+
+	if (ikind != okind &&
+	    ikind != CTF_K_FORWARD && okind != CTF_K_FORWARD)
+			return (B_TRUE);
+
+	/* Check names */
+	if ((ret = ctf_diff_name(ifp, iid, ofp, oid)) != B_FALSE) {
+		if (ikind != okind || ikind != CTF_K_INTEGER ||
+		    (cds->cds_flags & CTF_DIFF_F_IGNORE_INTNAMES) == 0)
+			return (ret);
+	}
+
+	if (ikind == CTF_K_FORWARD || okind == CTF_K_FORWARD)
+		return (ctf_diff_forward(ifp, iid, ofp, oid));
+
+	switch (ikind) {
+	case CTF_K_INTEGER:
+	case CTF_K_FLOAT:
+		ret = ctf_diff_number(ifp, iid, ofp, oid);
+		break;
+	case CTF_K_ARRAY:
+		ret = ctf_diff_array(cds, ifp, iid, ofp, oid);
+		break;
+	case CTF_K_FUNCTION:
+		ret = ctf_diff_fptr(cds, ifp, iid, ofp, oid);
+		break;
+	case CTF_K_STRUCT:
+		ret = ctf_diff_struct(cds, ifp, iid, ofp, oid);
+		break;
+	case CTF_K_UNION:
+		ret = ctf_diff_union(cds, ifp, iid, ofp, oid);
+		break;
+	case CTF_K_ENUM:
+		ret = ctf_diff_enum(ifp, iid, ofp, oid);
+		break;
+	case CTF_K_FORWARD:
+		ret = ctf_diff_forward(ifp, iid, ofp, oid);
+		break;
+	case CTF_K_POINTER:
+	case CTF_K_TYPEDEF:
+	case CTF_K_VOLATILE:
+	case CTF_K_CONST:
+	case CTF_K_RESTRICT:
+		ret = ctf_diff_qualifier(cds, ifp, iid, ofp, oid);
+		break;
+	case CTF_K_UNKNOWN:
+		/*
+		 * The current CTF tools use CTF_K_UNKNOWN as a padding type. We
+		 * always declare two instances of CTF_K_UNKNOWN as different,
+		 * even though this leads to additional diff noise.
+		 */
+		ret = B_TRUE;
+		break;
+	default:
+		abort();
+	}
+
+	return (ret);
+}
+
+/*
+ * Walk every type in the first container and try to find a match in the second.
+ * If there is a match, then update both the forward and reverse mapping tables.
+ */
+static int
+ctf_diff_pass1(ctf_diff_t *cds)
+{
+	int i, j, diff;
+	int istart, iend, jstart, jend;
+
+	if (cds->cds_ifp->ctf_flags & LCTF_CHILD) {
+		istart = 0x8001;
+		iend = cds->cds_ifp->ctf_typemax + 0x8000;
+	} else {
+		istart = 1;
+		iend = cds->cds_ifp->ctf_typemax;
+	}
+
+	if (cds->cds_ofp->ctf_flags & LCTF_CHILD) {
+		jstart = 0x8001;
+		jend = cds->cds_ofp->ctf_typemax + 0x8000;
+	} else {
+		jstart = 1;
+		jend = cds->cds_ofp->ctf_typemax;
+	}
+
+	for (i = istart; i <= iend; i++) {
+		diff = B_TRUE;
+		for (j = jstart; j <= jend; j++) {
+			ctf_diff_guess_t *cdg, *tofree;
+
+			ASSERT(cds->cds_guess == NULL);
+			diff = ctf_diff_type(cds, cds->cds_ifp, i,
+			    cds->cds_ofp, j);
+			if (diff == CTF_ERR)
+				return (CTF_ERR);
+
+			/* Clean up our guesses */
+			cdg = cds->cds_guess;
+			cds->cds_guess = NULL;
+			while (cdg != NULL) {
+				if (diff == B_TRUE) {
+					cds->cds_forward[TINDEX(cdg->cdg_iid)] =
+					    0;
+					cds->cds_reverse[TINDEX(cdg->cdg_oid)] =
+					    0;
+				}
+				tofree = cdg;
+				cdg = cdg->cdg_next;
+				ctf_free(tofree, sizeof (ctf_diff_guess_t));
+			}
+
+			/* Found a hit, update the tables */
+			if (diff == B_FALSE) {
+				cds->cds_forward[TINDEX(i)] = j;
+				if (cds->cds_reverse[TINDEX(j)] == 0)
+					cds->cds_reverse[TINDEX(j)] = i;
+				break;
+			}
+		}
+
+		/* Call the callback at this point */
+		if (diff == B_TRUE) {
+			cds->cds_forward[TINDEX(i)] = CTF_ERR;
+			cds->cds_func(cds->cds_ifp, i, B_FALSE, NULL, CTF_ERR,
+			    cds->cds_arg);
+		} else {
+			cds->cds_func(cds->cds_ifp, i, B_TRUE, cds->cds_ofp, j,
+			    cds->cds_arg);
+		}
+	}
+
+	return (0);
+}
+
+/*
+ * Now we need to walk the second container and emit anything that we didn't
+ * find as common in the first pass.
+ */
+static int
+ctf_diff_pass2(ctf_diff_t *cds)
+{
+	int i, start, end;
+
+	start = 0x1;
+	end = cds->cds_ofp->ctf_typemax;
+	if (cds->cds_ofp->ctf_flags & LCTF_CHILD) {
+		start += 0x8000;
+		end += 0x8000;
+	}
+
+	for (i = start; i <= end; i++) {
+		if (cds->cds_reverse[TINDEX(i)] != 0)
+			continue;
+		cds->cds_func(cds->cds_ofp, i, B_FALSE, NULL, CTF_ERR,
+		    cds->cds_arg);
+	}
+
+	return (0);
+}
+
+int
+ctf_diff_init(ctf_file_t *ifp, ctf_file_t *ofp, ctf_diff_t **cdsp)
+{
+	ctf_diff_t *cds;
+	size_t fsize, rsize;
+
+	cds = ctf_alloc(sizeof (ctf_diff_t));
+	if (cds == NULL)
+		return (ctf_set_errno(ifp, ENOMEM));
+
+	bzero(cds, sizeof (ctf_diff_t));
+	cds->cds_ifp = ifp;
+	cds->cds_ofp = ofp;
+
+	fsize = sizeof (ctf_id_t) * ifp->ctf_typemax;
+	rsize = sizeof (ctf_id_t) * ofp->ctf_typemax;
+	if (ifp->ctf_flags & LCTF_CHILD)
+		fsize += 0x8000 * sizeof (ctf_id_t);
+	if (ofp->ctf_flags & LCTF_CHILD)
+		rsize += 0x8000 * sizeof (ctf_id_t);
+
+	cds->cds_forward = ctf_alloc(fsize);
+	if (cds->cds_forward == NULL) {
+		ctf_free(cds, sizeof (ctf_diff_t));
+		return (ctf_set_errno(ifp, ENOMEM));
+	}
+	cds->cds_reverse = ctf_alloc(rsize);
+	if (cds->cds_reverse == NULL) {
+		ctf_free(cds->cds_forward, fsize);
+		ctf_free(cds, sizeof (ctf_diff_t));
+		return (ctf_set_errno(ifp, ENOMEM));
+	}
+	bzero(cds->cds_forward, fsize);
+	bzero(cds->cds_reverse, rsize);
+
+	cds->cds_ifp->ctf_refcnt++;
+	cds->cds_ofp->ctf_refcnt++;
+	*cdsp = cds;
+	return (0);
+}
+
+int
+ctf_diff_types(ctf_diff_t *cds, ctf_diff_type_f cb, void *arg)
+{
+	int ret;
+
+	cds->cds_func = cb;
+	cds->cds_arg = arg;
+
+	ret = ctf_diff_pass1(cds);
+	if (ret == 0)
+		ret = ctf_diff_pass2(cds);
+
+	cds->cds_func = NULL;
+	cds->cds_arg = NULL;
+	cds->cds_tvalid = B_TRUE;
+	return (ret);
+}
+
+void
+ctf_diff_fini(ctf_diff_t *cds)
+{
+	ctf_diff_guess_t *cdg;
+	size_t fsize, rsize;
+
+	cds->cds_ifp->ctf_refcnt--;
+	cds->cds_ofp->ctf_refcnt--;
+
+	fsize = sizeof (ctf_id_t) * cds->cds_ifp->ctf_typemax;
+	rsize = sizeof (ctf_id_t) * cds->cds_ofp->ctf_typemax;
+	if (cds->cds_ifp->ctf_flags & LCTF_CHILD)
+		fsize += 0x8000 * sizeof (ctf_id_t);
+	if (cds->cds_ofp->ctf_flags & LCTF_CHILD)
+		rsize += 0x8000 * sizeof (ctf_id_t);
+
+	if (cds->cds_ifuncs != NULL)
+		ctf_free(cds->cds_ifuncs,
+		    sizeof (ctf_diff_func_t) * cds->cds_nifuncs);
+	if (cds->cds_ofuncs != NULL)
+		ctf_free(cds->cds_ofuncs,
+		    sizeof (ctf_diff_func_t) * cds->cds_nofuncs);
+	if (cds->cds_iobj != NULL)
+		ctf_free(cds->cds_iobj,
+		    sizeof (ctf_diff_obj_t) * cds->cds_niobj);
+	if (cds->cds_oobj != NULL)
+		ctf_free(cds->cds_oobj,
+		    sizeof (ctf_diff_obj_t) * cds->cds_noobj);
+	cdg = cds->cds_guess;
+	while (cdg != NULL) {
+		ctf_diff_guess_t *tofree = cdg;
+		cdg = cdg->cdg_next;
+		ctf_free(tofree, sizeof (ctf_diff_guess_t));
+	}
+	ctf_free(cds, sizeof (ctf_diff_t));
+}
+
+uint_t
+ctf_diff_getflags(ctf_diff_t *cds)
+{
+	return (cds->cds_flags);
+}
+
+int
+ctf_diff_setflags(ctf_diff_t *cds, uint_t flags)
+{
+	if ((flags & ~CTF_DIFF_F_MASK) != 0)
+		return (ctf_set_errno(cds->cds_ifp, EINVAL));
+
+	cds->cds_flags = flags;
+	return (0);
+}
+
+static boolean_t
+ctf_diff_symid(ctf_diff_t *cds, ctf_id_t iid, ctf_id_t oid)
+{
+	ctf_file_t *ifp, *ofp;
+
+	ifp = cds->cds_ifp;
+	ofp = cds->cds_ofp;
+
+	/*
+	 * If we have parent containers on the scene here, we need to go through
+	 * and do a full diff check because while a diff for types will not
+	 * actually go through and check types in the parent container.
+	 */
+	if (iid == 0 || oid == 0)
+		return (iid == oid ? B_FALSE: B_TRUE);
+
+	if (!(ifp->ctf_flags & LCTF_CHILD) && !(ofp->ctf_flags & LCTF_CHILD)) {
+		if (cds->cds_forward[TINDEX(iid)] != oid)
+			return (B_TRUE);
+		return (B_FALSE);
+	}
+
+	return (ctf_diff_type(cds, ifp, iid, ofp, oid));
+}
+
+/* ARGSUSED */
+static void
+ctf_diff_void_cb(ctf_file_t *ifp, ctf_id_t iid, boolean_t same, ctf_file_t *ofp,
+    ctf_id_t oid, void *arg)
+{
+}
+
+/* ARGSUSED */
+static int
+ctf_diff_func_count(const char *name, ulong_t symidx, ctf_funcinfo_t *fip,
+    void *arg)
+{
+	uint32_t *ip = arg;
+
+	*ip = *ip + 1;
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+ctf_diff_func_fill_cb(const char *name, ulong_t symidx, ctf_funcinfo_t *fip,
+    void *arg)
+{
+	uint_t *next, max;
+	ctf_diff_func_t *funcptr;
+	ctf_diff_t *cds = arg;
+
+	if (cds->cds_ffillip == B_TRUE) {
+		max = cds->cds_nifuncs;
+		next = &cds->cds_nextifunc;
+		funcptr = cds->cds_ifuncs + *next;
+	} else {
+		max = cds->cds_nofuncs;
+		next = &cds->cds_nextofunc;
+		funcptr = cds->cds_ofuncs + *next;
+
+	}
+
+	VERIFY(*next < max);
+	funcptr->cdf_name = name;
+	funcptr->cdf_symidx = symidx;
+	funcptr->cdf_matchidx = ULONG_MAX;
+	*next = *next + 1;
+
+	return (0);
+}
+
+int
+ctf_diff_func_fill(ctf_diff_t *cds)
+{
+	int ret;
+	uint32_t ifcount, ofcount, idcnt, cti;
+	ulong_t i, j;
+	ctf_id_t *iids, *oids;
+
+	ifcount = 0;
+	ofcount = 0;
+	idcnt = 0;
+	iids = NULL;
+	oids = NULL;
+
+	ret = ctf_function_iter(cds->cds_ifp, ctf_diff_func_count, &ifcount);
+	if (ret != 0)
+		return (ret);
+	ret = ctf_function_iter(cds->cds_ofp, ctf_diff_func_count, &ofcount);
+	if (ret != 0)
+		return (ret);
+
+	cds->cds_ifuncs = ctf_alloc(sizeof (ctf_diff_func_t) * ifcount);
+	if (cds->cds_ifuncs == NULL)
+		return (ctf_set_errno(cds->cds_ifp, ENOMEM));
+
+	cds->cds_nifuncs = ifcount;
+	cds->cds_nextifunc = 0;
+
+	cds->cds_ofuncs = ctf_alloc(sizeof (ctf_diff_func_t) * ofcount);
+	if (cds->cds_ofuncs == NULL)
+		return (ctf_set_errno(cds->cds_ifp, ENOMEM));
+
+	cds->cds_nofuncs = ofcount;
+	cds->cds_nextofunc = 0;
+
+	cds->cds_ffillip = B_TRUE;
+	if ((ret = ctf_function_iter(cds->cds_ifp, ctf_diff_func_fill_cb,
+	    cds)) != 0)
+		return (ret);
+
+	cds->cds_ffillip = B_FALSE;
+	if ((ret = ctf_function_iter(cds->cds_ofp, ctf_diff_func_fill_cb,
+	    cds)) != 0)
+		return (ret);
+
+	/*
+	 * Everything is initialized to not match. This could probably be faster
+	 * with something that used a hash. But this part of the diff isn't used
+	 * by merge.
+	 */
+	for (i = 0; i < cds->cds_nifuncs; i++) {
+		for (j = 0; j < cds->cds_nofuncs; j++) {
+			ctf_diff_func_t *ifd, *ofd;
+			ctf_funcinfo_t ifip, ofip;
+			boolean_t match;
+
+			ifd = &cds->cds_ifuncs[i];
+			ofd = &cds->cds_ofuncs[j];
+			if (strcmp(ifd->cdf_name, ofd->cdf_name) != 0)
+				continue;
+
+			ret = ctf_func_info(cds->cds_ifp, ifd->cdf_symidx,
+			    &ifip);
+			if (ret != 0)
+				goto out;
+			ret = ctf_func_info(cds->cds_ofp, ofd->cdf_symidx,
+			    &ofip);
+			if (ret != 0) {
+				ret = ctf_set_errno(cds->cds_ifp,
+				    ctf_errno(cds->cds_ofp));
+				goto out;
+			}
+
+			if (ifip.ctc_argc != ofip.ctc_argc &&
+			    ifip.ctc_flags != ofip.ctc_flags)
+				continue;
+
+			/* Validate return type and arguments are the same */
+			if (ctf_diff_symid(cds, ifip.ctc_return,
+			    ofip.ctc_return))
+				continue;
+
+			if (ifip.ctc_argc > idcnt) {
+				if (iids != NULL)
+					ctf_free(iids,
+					    sizeof (ctf_id_t) * idcnt);
+				if (oids != NULL)
+					ctf_free(oids,
+					    sizeof (ctf_id_t) * idcnt);
+				iids = oids = NULL;
+				idcnt = ifip.ctc_argc;
+				iids = ctf_alloc(sizeof (ctf_id_t) * idcnt);
+				if (iids == NULL) {
+					ret = ctf_set_errno(cds->cds_ifp,
+					    ENOMEM);
+					goto out;
+				}
+				oids = ctf_alloc(sizeof (ctf_id_t) * idcnt);
+				if (iids == NULL) {
+					ret = ctf_set_errno(cds->cds_ifp,
+					    ENOMEM);
+					goto out;
+				}
+			}
+
+			if ((ret = ctf_func_args(cds->cds_ifp, ifd->cdf_symidx,
+			    ifip.ctc_argc, iids)) != 0)
+				goto out;
+			if ((ret = ctf_func_args(cds->cds_ofp, ofd->cdf_symidx,
+			    ofip.ctc_argc, oids)) != 0)
+				goto out;
+
+			match = B_TRUE;
+			for (cti = 0; cti < ifip.ctc_argc; cti++) {
+				if (ctf_diff_symid(cds, iids[cti], oids[cti])) {
+					match = B_FALSE;
+					break;
+				}
+			}
+
+			if (match == B_FALSE)
+				continue;
+
+			ifd->cdf_matchidx = j;
+			ofd->cdf_matchidx = i;
+			break;
+		}
+	}
+
+	ret = 0;
+
+out:
+	if (iids != NULL)
+		ctf_free(iids, sizeof (ctf_id_t) * idcnt);
+	if (oids != NULL)
+		ctf_free(oids, sizeof (ctf_id_t) * idcnt);
+
+	return (ret);
+}
+
+/*
+ * In general, two functions are the same, if they have the same name and their
+ * arguments have the same types, including the return type. Like types, we
+ * basically have to do this in two passes. In the first phase we walk every
+ * type in the first container and try to find a match in the second.
+ */
+int
+ctf_diff_functions(ctf_diff_t *cds, ctf_diff_func_f cb, void *arg)
+{
+	int ret;
+	ulong_t i;
+
+	if (cds->cds_tvalid == B_FALSE) {
+		if ((ret = ctf_diff_types(cds, ctf_diff_void_cb, NULL)) != 0)
+			return (ret);
+	}
+
+	if (cds->cds_fvalid == B_FALSE) {
+		if ((ret = ctf_diff_func_fill(cds)) != 0)
+			return (ret);
+		cds->cds_fvalid = B_TRUE;
+	}
+
+	for (i = 0; i < cds->cds_nifuncs; i++) {
+		if (cds->cds_ifuncs[i].cdf_matchidx == ULONG_MAX) {
+			cb(cds->cds_ifp, cds->cds_ifuncs[i].cdf_symidx,
+			    B_FALSE, NULL, ULONG_MAX, arg);
+		} else {
+			ulong_t idx = cds->cds_ifuncs[i].cdf_matchidx;
+			cb(cds->cds_ifp, cds->cds_ifuncs[i].cdf_symidx, B_TRUE,
+			    cds->cds_ofp, cds->cds_ofuncs[idx].cdf_symidx, arg);
+		}
+	}
+
+	for (i = 0; i < cds->cds_nofuncs; i++) {
+		if (cds->cds_ofuncs[i].cdf_matchidx != ULONG_MAX)
+			continue;
+		cb(cds->cds_ofp, cds->cds_ofuncs[i].cdf_symidx, B_FALSE,
+		    NULL, ULONG_MAX, arg);
+	}
+
+	return (0);
+}
+
+static int
+ctf_diff_obj_fill_cb(const char *name, ctf_id_t id, ulong_t symidx, void *arg)
+{
+	uint_t *next, max;
+	ctf_diff_obj_t *objptr;
+	ctf_diff_t *cds = arg;
+
+	if (cds->cds_ofillip == B_TRUE) {
+		max = cds->cds_niobj;
+		next = &cds->cds_nextiobj;
+		objptr = cds->cds_iobj + *next;
+	} else {
+		max = cds->cds_noobj;
+		next = &cds->cds_nextoobj;
+		objptr = cds->cds_oobj+ *next;
+
+	}
+
+	VERIFY(*next < max);
+	objptr->cdo_name = name;
+	objptr->cdo_symidx = symidx;
+	objptr->cdo_id = id;
+	objptr->cdo_matchidx = ULONG_MAX;
+	*next = *next + 1;
+
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+ctf_diff_obj_count(const char *name, ctf_id_t id, ulong_t symidx, void *arg)
+{
+	uint32_t *count = arg;
+
+	*count = *count + 1;
+
+	return (0);
+}
+
+
+static int
+ctf_diff_obj_fill(ctf_diff_t *cds)
+{
+	int ret;
+	uint32_t iocount, oocount;
+	ulong_t i, j;
+
+	iocount = 0;
+	oocount = 0;
+
+	ret = ctf_object_iter(cds->cds_ifp, ctf_diff_obj_count, &iocount);
+	if (ret != 0)
+		return (ret);
+
+	ret = ctf_object_iter(cds->cds_ofp, ctf_diff_obj_count, &oocount);
+	if (ret != 0)
+		return (ret);
+
+	cds->cds_iobj = ctf_alloc(sizeof (ctf_diff_obj_t) * iocount);
+	if (cds->cds_iobj == NULL)
+		return (ctf_set_errno(cds->cds_ifp, ENOMEM));
+	cds->cds_niobj = iocount;
+	cds->cds_nextiobj = 0;
+
+	cds->cds_oobj = ctf_alloc(sizeof (ctf_diff_obj_t) * oocount);
+	if (cds->cds_oobj == NULL)
+		return (ctf_set_errno(cds->cds_ifp, ENOMEM));
+	cds->cds_noobj = oocount;
+	cds->cds_nextoobj = 0;
+
+	cds->cds_ofillip = B_TRUE;
+	if ((ret = ctf_object_iter(cds->cds_ifp, ctf_diff_obj_fill_cb,
+	    cds)) != 0)
+		return (ret);
+
+	cds->cds_ofillip = B_FALSE;
+	if ((ret = ctf_object_iter(cds->cds_ofp, ctf_diff_obj_fill_cb,
+	    cds)) != 0)
+		return (ret);
+
+	for (i = 0; i < cds->cds_niobj; i++) {
+		for (j = 0; j < cds->cds_noobj; j++) {
+			ctf_diff_obj_t *id, *od;
+
+			id = &cds->cds_iobj[i];
+			od = &cds->cds_oobj[j];
+
+			if (id->cdo_name == NULL || od->cdo_name == NULL)
+				continue;
+			if (strcmp(id->cdo_name, od->cdo_name) != 0)
+				continue;
+
+			if (ctf_diff_symid(cds, id->cdo_id, od->cdo_id)) {
+				continue;
+			}
+
+			id->cdo_matchidx = j;
+			od->cdo_matchidx = i;
+			break;
+		}
+	}
+
+	return (0);
+}
+
+int
+ctf_diff_objects(ctf_diff_t *cds, ctf_diff_obj_f cb, void *arg)
+{
+	int ret;
+	ulong_t i;
+
+	if (cds->cds_tvalid == B_FALSE) {
+		if ((ret = ctf_diff_types(cds, ctf_diff_void_cb, NULL)) != 0)
+			return (ret);
+	}
+
+	if (cds->cds_ovalid == B_FALSE) {
+		if ((ret = ctf_diff_obj_fill(cds)) != 0)
+			return (ret);
+		cds->cds_ovalid = B_TRUE;
+	}
+
+	for (i = 0; i < cds->cds_niobj; i++) {
+		ctf_diff_obj_t *o = &cds->cds_iobj[i];
+
+		if (cds->cds_iobj[i].cdo_matchidx == ULONG_MAX) {
+			cb(cds->cds_ifp, o->cdo_symidx, o->cdo_id, B_FALSE,
+			    NULL, ULONG_MAX, CTF_ERR, arg);
+		} else {
+			ctf_diff_obj_t *alt = &cds->cds_oobj[o->cdo_matchidx];
+			cb(cds->cds_ifp, o->cdo_symidx, o->cdo_id, B_TRUE,
+			    cds->cds_ofp, alt->cdo_symidx, alt->cdo_id, arg);
+		}
+	}
+
+	for (i = 0; i < cds->cds_noobj; i++) {
+		ctf_diff_obj_t *o = &cds->cds_oobj[i];
+		if (o->cdo_matchidx != ULONG_MAX)
+			continue;
+		cb(cds->cds_ofp, o->cdo_symidx, o->cdo_id, B_FALSE, NULL,
+		    ULONG_MAX, CTF_ERR, arg);
+	}
+
+	return (0);
+}
diff --git a/usr/src/lib/libctf/common/ctf_elfwrite.c b/usr/src/lib/libctf/common/ctf_elfwrite.c
new file mode 100644
index 0000000000..c8a4d22cf7
--- /dev/null
+++ b/usr/src/lib/libctf/common/ctf_elfwrite.c
@@ -0,0 +1,412 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * Copyright (c) 2015, Joyent, Inc.
+ */
+
+/*
+ * Routines for writing ctf data to elf files, originally from the ctf tools.
+ */
+
+#include <ctf_impl.h>
+#include <libctf.h>
+#include <gelf.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+#include <libelf.h>
+#include <sys/zmod.h>
+
+static int
+ctf_write_elf(ctf_file_t *fp, Elf *src, Elf *dst, int flags)
+{
+	GElf_Ehdr sehdr, dehdr;
+	Elf_Scn *sscn, *dscn;
+	Elf_Data *sdata, *ddata;
+	GElf_Shdr shdr;
+	int symtab_idx = -1;
+	off_t new_offset = 0;
+	off_t ctfnameoff = 0;
+	int compress = (flags & CTF_ELFWRITE_F_COMPRESS);
+	int *secxlate;
+	int srcidx, dstidx, pad, i;
+	int curnmoff = 0;
+	int changing = 0;
+	size_t nshdr, nphdr, strndx;
+
+	void *cdata = NULL;
+
+	if ((flags & ~(CTF_ELFWRITE_F_COMPRESS)) != 0)
+		return (ctf_set_errno(fp, EINVAL));
+
+	if (gelf_newehdr(dst, gelf_getclass(src)) == NULL)
+		return (ctf_set_errno(fp, ECTF_ELF));
+
+	if (gelf_getehdr(src, &sehdr) == NULL)
+		return (ctf_set_errno(fp, ECTF_ELF));
+	(void) memcpy(&dehdr, &sehdr, sizeof (GElf_Ehdr));
+	if (gelf_update_ehdr(dst, &dehdr) == 0)
+		return (ctf_set_errno(fp, ECTF_ELF));
+
+	/*
+	 * Use libelf to get the number of sections and the string section to
+	 * deal with ELF files that may have a large number of sections. We just
+	 * always use this to make our live easier.
+	 */
+	if (elf_getphdrnum(src, &nphdr) != 0)
+		return (ctf_set_errno(fp, ECTF_ELF));
+	if (elf_getshdrnum(src, &nshdr) != 0)
+		return (ctf_set_errno(fp, ECTF_ELF));
+	if (elf_getshdrstrndx(src, &strndx) != 0)
+		return (ctf_set_errno(fp, ECTF_ELF));
+
+	/*
+	 * Neither the existing debug sections nor the SUNW_ctf sections (new or
+	 * existing) are SHF_ALLOC'd, so they won't be in areas referenced by
+	 * program headers.  As such, we can just blindly copy the program
+	 * headers from the existing file to the new file.
+	 */
+	if (nphdr != 0) {
+		(void) elf_flagelf(dst, ELF_C_SET, ELF_F_LAYOUT);
+		if (gelf_newphdr(dst, nphdr) == NULL)
+			return (ctf_set_errno(fp, ECTF_ELF));
+
+		for (i = 0; i < nphdr; i++) {
+			GElf_Phdr phdr;
+
+			if (gelf_getphdr(src, i, &phdr) == NULL)
+				return (ctf_set_errno(fp, ECTF_ELF));
+			if (gelf_update_phdr(dst, i, &phdr) == 0)
+				return (ctf_set_errno(fp, ECTF_ELF));
+		}
+	}
+
+	secxlate = ctf_alloc(sizeof (int) * nshdr);
+	for (srcidx = dstidx = 0; srcidx < nshdr; srcidx++) {
+		Elf_Scn *scn = elf_getscn(src, srcidx);
+		GElf_Shdr shdr;
+		char *sname;
+
+		if (gelf_getshdr(scn, &shdr) == NULL) {
+			ctf_free(secxlate, sizeof (int) * nshdr);
+			return (ctf_set_errno(fp, ECTF_ELF));
+		}
+		sname = elf_strptr(src, strndx, shdr.sh_name);
+		if (sname == NULL) {
+			ctf_free(secxlate, sizeof (int) * nshdr);
+			return (ctf_set_errno(fp, ECTF_ELF));
+		}
+
+		if (strcmp(sname, CTF_ELF_SCN_NAME) == 0) {
+			secxlate[srcidx] = -1;
+		} else {
+			secxlate[srcidx] = dstidx++;
+			curnmoff += strlen(sname) + 1;
+		}
+
+		new_offset = (off_t)dehdr.e_phoff;
+	}
+
+	for (srcidx = 1; srcidx < nshdr; srcidx++) {
+		char *sname;
+
+		sscn = elf_getscn(src, srcidx);
+		if (gelf_getshdr(sscn, &shdr) == NULL) {
+			ctf_free(secxlate, sizeof (int) * nshdr);
+			return (ctf_set_errno(fp, ECTF_ELF));
+		}
+
+		if (secxlate[srcidx] == -1) {
+			changing = 1;
+			continue;
+		}
+
+		dscn = elf_newscn(dst);
+		if (dscn == NULL) {
+			ctf_free(secxlate, sizeof (int) * nshdr);
+			return (ctf_set_errno(fp, ECTF_ELF));
+		}
+
+		/*
+		 * If this file has program headers, we need to explicitly lay
+		 * out sections.  If none of the sections prior to this one have
+		 * been removed, then we can just use the existing location.  If
+		 * one or more sections have been changed, then we need to
+		 * adjust this one to avoid holes.
+		 */
+		if (changing && nphdr != 0) {
+			pad = new_offset % shdr.sh_addralign;
+
+			if (pad != 0)
+				new_offset += shdr.sh_addralign - pad;
+			shdr.sh_offset = new_offset;
+		}
+
+		shdr.sh_link = secxlate[shdr.sh_link];
+
+		if (shdr.sh_type == SHT_REL || shdr.sh_type == SHT_RELA)
+			shdr.sh_info = secxlate[shdr.sh_info];
+
+		sname = elf_strptr(src, strndx, shdr.sh_name);
+		if (sname == NULL) {
+			ctf_free(secxlate, sizeof (int) * nshdr);
+			return (ctf_set_errno(fp, ECTF_ELF));
+		}
+		if ((sdata = elf_getdata(sscn, NULL)) == NULL) {
+			ctf_free(secxlate, sizeof (int) * nshdr);
+			return (ctf_set_errno(fp, ECTF_ELF));
+		}
+		if ((ddata = elf_newdata(dscn)) == NULL) {
+			ctf_free(secxlate, sizeof (int) * nshdr);
+			return (ctf_set_errno(fp, ECTF_ELF));
+		}
+		bcopy(sdata, ddata, sizeof (Elf_Data));
+
+		if (srcidx == strndx) {
+			char seclen = strlen(CTF_ELF_SCN_NAME);
+
+			ddata->d_buf = ctf_alloc(ddata->d_size + shdr.sh_size +
+			    seclen + 1);
+			if (ddata->d_buf == NULL) {
+				ctf_free(secxlate,
+				    sizeof (int) * nshdr);
+				return (ctf_set_errno(fp, ECTF_ELF));
+			}
+			bcopy(sdata->d_buf, ddata->d_buf, shdr.sh_size);
+			(void) strcpy((caddr_t)ddata->d_buf + shdr.sh_size,
+			    CTF_ELF_SCN_NAME);
+			ctfnameoff = (off_t)shdr.sh_size;
+			shdr.sh_size += seclen + 1;
+			ddata->d_size += seclen + 1;
+
+			if (nphdr != 0)
+				changing = 1;
+		}
+
+		if (shdr.sh_type == SHT_SYMTAB && shdr.sh_entsize != 0) {
+			int nsym = shdr.sh_size / shdr.sh_entsize;
+
+			symtab_idx = secxlate[srcidx];
+
+			ddata->d_buf = ctf_alloc(shdr.sh_size);
+			if (ddata->d_buf == NULL) {
+				ctf_free(secxlate,
+				    sizeof (int) * nshdr);
+				return (ctf_set_errno(fp, ECTF_ELF));
+			}
+			(void) bcopy(sdata->d_buf, ddata->d_buf, shdr.sh_size);
+
+			for (i = 0; i < nsym; i++) {
+				GElf_Sym sym;
+				short newscn;
+
+				(void) gelf_getsym(ddata, i, &sym);
+
+				if (sym.st_shndx >= SHN_LORESERVE)
+					continue;
+
+				if ((newscn = secxlate[sym.st_shndx]) !=
+				    sym.st_shndx) {
+					sym.st_shndx =
+					    (newscn == -1 ? 1 : newscn);
+
+					if (gelf_update_sym(ddata, i, &sym) ==
+					    0) {
+						ctf_free(secxlate,
+						    sizeof (int) *
+						    nshdr);
+						return (ctf_set_errno(fp,
+						    ECTF_ELF));
+					}
+				}
+			}
+		}
+
+		if (gelf_update_shdr(dscn, &shdr) == NULL) {
+			ctf_free(secxlate, sizeof (int) * nshdr);
+			return (ctf_set_errno(fp, ECTF_ELF));
+		}
+
+		new_offset = (off_t)shdr.sh_offset;
+		if (shdr.sh_type != SHT_NOBITS)
+			new_offset += shdr.sh_size;
+	}
+
+	if (symtab_idx == -1) {
+		ctf_free(secxlate, sizeof (int) * nshdr);
+		return (ctf_set_errno(fp, ECTF_ELF));
+	}
+
+	/* Add the ctf section */
+	if ((dscn = elf_newscn(dst)) == NULL) {
+		ctf_free(secxlate, sizeof (int) * nshdr);
+		return (ctf_set_errno(fp, ECTF_ELF));
+	}
+	if (gelf_getshdr(dscn, &shdr) == NULL) {
+		ctf_free(secxlate, sizeof (int) * nshdr);
+		return (ctf_set_errno(fp, ECTF_ELF));
+	}
+	shdr.sh_name = ctfnameoff;
+	shdr.sh_type = SHT_PROGBITS;
+	shdr.sh_size = fp->ctf_size;
+	shdr.sh_link = symtab_idx;
+	shdr.sh_addralign = 4;
+	if (changing && nphdr != 0) {
+		pad = new_offset % shdr.sh_addralign;
+
+		if (pad)
+			new_offset += shdr.sh_addralign - pad;
+
+		shdr.sh_offset = new_offset;
+		new_offset += shdr.sh_size;
+	}
+
+	if ((ddata = elf_newdata(dscn)) == NULL) {
+		ctf_free(secxlate, sizeof (int) * nshdr);
+		return (ctf_set_errno(fp, ECTF_ELF));
+	}
+
+	if (compress != 0) {
+		size_t dlen;
+		ctf_header_t *cthp;
+		int err;
+
+		if (ctf_zopen(&err) == NULL) {
+			ctf_free(secxlate, sizeof (int) * nshdr);
+			return (ctf_set_errno(fp, err));
+		}
+
+		dlen = fp->ctf_size;
+		cdata = ctf_data_alloc(dlen);
+		bcopy(fp->ctf_base, cdata, sizeof (ctf_header_t));
+		cthp = cdata;
+		cthp->cth_flags  |= CTF_F_COMPRESS;
+		dlen -= sizeof (ctf_header_t);
+		if (z_compress((void *)((uintptr_t)cdata +
+		    sizeof (ctf_header_t)), &dlen,
+		    fp->ctf_base + sizeof (ctf_header_t),
+		    fp->ctf_size - sizeof (ctf_header_t)) != Z_OK) {
+			ctf_data_free(cdata, fp->ctf_size);
+			ctf_free(secxlate, sizeof (int) * nshdr);
+			return (ctf_set_errno(fp, ECTF_ZLIB));
+		}
+		ddata->d_buf = cdata;
+		ddata->d_size = dlen + sizeof (ctf_header_t);
+	} else {
+		ddata->d_buf = (void *)fp->ctf_base;
+		ddata->d_size = fp->ctf_size;
+	}
+	ddata->d_align = shdr.sh_addralign;
+
+	if (gelf_update_shdr(dscn, &shdr) == 0) {
+		if (cdata != NULL)
+			ctf_data_free(cdata, fp->ctf_size);
+		ctf_free(secxlate, sizeof (int) * nshdr);
+		return (ctf_set_errno(fp, ECTF_ELF));
+	}
+
+	/* update the section header location */
+	if (nphdr != 0) {
+		size_t align = gelf_fsize(dst, ELF_T_ADDR, 1, EV_CURRENT);
+		size_t r = new_offset % align;
+
+		if (r)
+			new_offset += align - r;
+
+		dehdr.e_shoff = new_offset;
+	}
+
+	/* commit to disk */
+	if (sehdr.e_shstrndx == SHN_XINDEX)
+		dehdr.e_shstrndx = SHN_XINDEX;
+	else
+		dehdr.e_shstrndx = secxlate[sehdr.e_shstrndx];
+	if (gelf_update_ehdr(dst, &dehdr) == NULL) {
+		if (cdata != NULL)
+			ctf_data_free(cdata, fp->ctf_size);
+		ctf_free(secxlate, sizeof (int) * nshdr);
+		return (ctf_set_errno(fp, ECTF_ELF));
+	}
+	if (elf_update(dst, ELF_C_WRITE) < 0) {
+		if (cdata != NULL)
+			ctf_data_free(cdata, fp->ctf_size);
+		ctf_free(secxlate, sizeof (int) * nshdr);
+		return (ctf_set_errno(fp, ECTF_ELF));
+	}
+
+	if (cdata != NULL)
+		ctf_data_free(cdata, fp->ctf_size);
+	ctf_free(secxlate, sizeof (int) * nshdr);
+
+	return (0);
+}
+
+int
+ctf_elffdwrite(ctf_file_t *fp, int ifd, int ofd, int flags)
+{
+	int ret;
+	Elf *ielf, *oelf;
+
+	(void) elf_version(EV_CURRENT);
+	if ((ielf = elf_begin(ifd, ELF_C_READ, NULL)) == NULL)
+		return (ctf_set_errno(fp, ECTF_ELF));
+
+	if ((oelf = elf_begin(ofd, ELF_C_WRITE, NULL)) == NULL)
+		return (ctf_set_errno(fp, ECTF_ELF));
+
+	ret = ctf_write_elf(fp, ielf, oelf, flags);
+
+	(void) elf_end(ielf);
+	(void) elf_end(oelf);
+
+	return (ret);
+}
+
+int
+ctf_elfwrite(ctf_file_t *fp, const char *input, const char *output, int flags)
+{
+	struct stat st;
+	int ifd, ofd, ret;
+
+	if ((ifd = open(input, O_RDONLY)) < 0)
+		return (ctf_set_errno(fp, errno));
+
+	if (fstat(ifd, &st) < 0)
+		return (ctf_set_errno(fp, errno));
+
+	if ((ofd = open(output, O_RDWR | O_CREAT | O_TRUNC, st.st_mode)) < 0)
+		return (ctf_set_errno(fp, errno));
+
+	ret = ctf_elffdwrite(fp, ifd, ofd, flags);
+
+	if (close(ifd) != 0 && ret != 0)
+		ret = ctf_set_errno(fp, errno);
+	if (close(ofd) != 0 && ret != 0)
+		ret = ctf_set_errno(fp, errno);
+
+	return (ret);
+}
diff --git a/usr/src/lib/libctf/common/ctf_lib.c b/usr/src/lib/libctf/common/ctf_lib.c
index e71ebc6d9d..4658fc8ddc 100644
--- a/usr/src/lib/libctf/common/ctf_lib.c
+++ b/usr/src/lib/libctf/common/ctf_lib.c
@@ -23,6 +23,9 @@
  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
+/*
+ * Copyright (c) 2015, Joyent, Inc.
+ */
 
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -33,6 +36,8 @@
 #include <errno.h>
 #include <dlfcn.h>
 #include <gelf.h>
+#include <zlib.h>
+#include <zone.h>
 
 #ifdef _LP64
 static const char *_libctf_zlib = "/usr/lib/64/libz.so.1";
@@ -42,6 +47,9 @@ static const char *_libctf_zlib = "/usr/lib/libz.so.1";
 
 static struct {
 	int (*z_uncompress)(uchar_t *, ulong_t *, const uchar_t *, ulong_t);
+	int (*z_initcomp)(z_stream *, int, const char *, int);
+	int (*z_compress)(z_stream *, int);
+	int (*z_finicomp)(z_stream *);
 	const char *(*z_error)(int);
 	void *z_dlp;
 } zlib;
@@ -72,21 +80,47 @@ _libctf_init(void)
 void *
 ctf_zopen(int *errp)
 {
-	ctf_dprintf("decompressing CTF data using %s\n", _libctf_zlib);
+	char buf[MAXPATHLEN];
+	const char *path = _libctf_zlib, *zroot;
 
 	if (zlib.z_dlp != NULL)
 		return (zlib.z_dlp); /* library is already loaded */
 
-	if (access(_libctf_zlib, R_OK) == -1)
+	/*
+	 * Get the zone native root.  For the tools build, we don't need
+	 * this (it seems fair to impose that we always build the system in
+	 * a native zone), and we want to allow build machines that are older
+	 * that the notion of the native root, so we only actually make this
+	 * call if we're not the tools build.
+	 */
+#ifndef	CTF_TOOLS_BUILD
+	zroot = zone_get_nroot();
+#else
+	zroot = NULL;
+#endif
+
+	if (zroot != NULL) {
+		(void) snprintf(buf, MAXPATHLEN, "%s/%s", zroot, _libctf_zlib);
+		path = buf;
+	}
+
+	ctf_dprintf("decompressing CTF data using %s\n", path);
+
+	if (access(path, R_OK) == -1)
 		return (ctf_set_open_errno(errp, ECTF_ZMISSING));
 
-	if ((zlib.z_dlp = dlopen(_libctf_zlib, RTLD_LAZY | RTLD_LOCAL)) == NULL)
+	if ((zlib.z_dlp = dlopen(path, RTLD_LAZY | RTLD_LOCAL)) == NULL)
 		return (ctf_set_open_errno(errp, ECTF_ZINIT));
 
 	zlib.z_uncompress = (int (*)()) dlsym(zlib.z_dlp, "uncompress");
+	zlib.z_initcomp = (int (*)()) dlsym(zlib.z_dlp, "deflateInit_");
+	zlib.z_compress = (int (*)()) dlsym(zlib.z_dlp, "deflate");
+	zlib.z_finicomp = (int (*)()) dlsym(zlib.z_dlp, "deflateEnd");
 	zlib.z_error = (const char *(*)()) dlsym(zlib.z_dlp, "zError");
 
-	if (zlib.z_uncompress == NULL || zlib.z_error == NULL) {
+	if (zlib.z_uncompress == NULL || zlib.z_error == NULL ||
+	    zlib.z_initcomp == NULL|| zlib.z_compress == NULL ||
+	    zlib.z_finicomp == NULL) {
 		(void) dlclose(zlib.z_dlp);
 		bzero(&zlib, sizeof (zlib));
 		return (ctf_set_open_errno(errp, ECTF_ZINIT));
@@ -111,6 +145,31 @@ z_strerror(int err)
 	return (zlib.z_error(err));
 }
 
+int
+z_compress(void *dst, size_t *dstlen, const void *src, size_t srclen)
+{
+	z_stream zs;
+	int err;
+
+	bzero(&zs, sizeof (z_stream));
+	zs.next_in = (uchar_t *)src;
+	zs.avail_in = srclen;
+	zs.next_out = dst;
+	zs.avail_out = *dstlen;
+
+	if ((err = zlib.z_initcomp(&zs, Z_BEST_COMPRESSION, ZLIB_VERSION,
+	    sizeof (z_stream))) != Z_OK)
+		return (err);
+
+	if ((err = zlib.z_compress(&zs, Z_FINISH)) != Z_STREAM_END) {
+		(void) zlib.z_finicomp(&zs);
+		return (err == Z_OK ? Z_BUF_ERROR : err);
+	}
+
+	*dstlen = zs.total_out;
+	return (zlib.z_finicomp(&zs));
+}
+
 /*
  * Convert a 32-bit ELF file header into GElf.
  */
@@ -189,7 +248,7 @@ ctf_sect_munmap(const ctf_sect_t *sp)
  * responsible for closing the file descriptor when it is no longer needed.
  */
 ctf_file_t *
-ctf_fdopen(int fd, int *errp)
+ctf_fdcreate_int(int fd, int *errp, ctf_sect_t *ctfp)
 {
 	ctf_sect_t ctfsect, symsect, strsect;
 	ctf_file_t *fp = NULL;
@@ -221,6 +280,9 @@ ctf_fdopen(int fd, int *errp)
 	 */
 	if (nbytes >= sizeof (ctf_preamble_t) &&
 	    hdr.ctf.ctp_magic == CTF_MAGIC) {
+		if (ctfp != NULL)
+			return (ctf_set_open_errno(errp, EINVAL));
+
 		if (hdr.ctf.ctp_version > CTF_VERSION)
 			return (ctf_set_open_errno(errp, ECTF_CTFVERS));
 
@@ -370,7 +432,8 @@ ctf_fdopen(int fd, int *errp)
 				continue; /* corrupt sh_name field */
 
 			if (shp->sh_type == SHT_PROGBITS &&
-			    strcmp(strs + shp->sh_name, _CTF_SECTION) == 0) {
+			    strcmp(strs + shp->sh_name, _CTF_SECTION) == 0 &&
+			    ctfp == NULL) {
 				ctfsect.cts_name = strs + shp->sh_name;
 				ctfsect.cts_type = shp->sh_type;
 				ctfsect.cts_flags = shp->sh_flags;
@@ -397,18 +460,22 @@ ctf_fdopen(int fd, int *errp)
 
 		free(sp); /* free section header array */
 
-		if (ctfsect.cts_type == SHT_NULL) {
-			(void) munmap(strs_map, strs_mapsz);
-			return (ctf_set_open_errno(errp, ECTF_NOCTFDATA));
-		}
+		if (ctfp == NULL) {
+			if (ctfsect.cts_type == SHT_NULL && ctfp == NULL) {
+				(void) munmap(strs_map, strs_mapsz);
+				return (ctf_set_open_errno(errp,
+				    ECTF_NOCTFDATA));
+			}
 
-		/*
-		 * Now mmap the CTF data, symtab, and strtab sections and
-		 * call ctf_bufopen() to do the rest of the work.
-		 */
-		if (ctf_sect_mmap(&ctfsect, fd) == MAP_FAILED) {
-			(void) munmap(strs_map, strs_mapsz);
-			return (ctf_set_open_errno(errp, ECTF_MMAP));
+			/*
+			 * Now mmap the CTF data, symtab, and strtab sections
+			 * and call ctf_bufopen() to do the rest of the work.
+			 */
+			if (ctf_sect_mmap(&ctfsect, fd) == MAP_FAILED) {
+				(void) munmap(strs_map, strs_mapsz);
+				return (ctf_set_open_errno(errp, ECTF_MMAP));
+			}
+			ctfp = &ctfsect;
 		}
 
 		if (symsect.cts_type != SHT_NULL &&
@@ -418,12 +485,13 @@ ctf_fdopen(int fd, int *errp)
 				(void) ctf_set_open_errno(errp, ECTF_MMAP);
 				goto bad; /* unmap all and abort */
 			}
-			fp = ctf_bufopen(&ctfsect, &symsect, &strsect, errp);
+			fp = ctf_bufopen(ctfp, &symsect, &strsect, errp);
 		} else
-			fp = ctf_bufopen(&ctfsect, NULL, NULL, errp);
+			fp = ctf_bufopen(ctfp, NULL, NULL, errp);
 bad:
 		if (fp == NULL) {
-			ctf_sect_munmap(&ctfsect);
+			if (ctfp == NULL)
+				ctf_sect_munmap(&ctfsect);
 			ctf_sect_munmap(&symsect);
 			ctf_sect_munmap(&strsect);
 		} else
@@ -436,6 +504,12 @@ bad:
 	return (ctf_set_open_errno(errp, ECTF_FMT));
 }
 
+ctf_file_t *
+ctf_fdopen(int fd, int *errp)
+{
+	return (ctf_fdcreate_int(fd, errp, NULL));
+}
+
 /*
  * Open the specified file and return a pointer to a CTF container.  The file
  * can be either an ELF file or raw CTF file.  This is just a convenient
diff --git a/usr/src/lib/libctf/common/ctf_merge.c b/usr/src/lib/libctf/common/ctf_merge.c
new file mode 100644
index 0000000000..70676bb0fd
--- /dev/null
+++ b/usr/src/lib/libctf/common/ctf_merge.c
@@ -0,0 +1,1231 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.
+ */
+
+/*
+ * To perform a merge of two CTF containers, we first diff the two containers
+ * types. For every type that's in the src container, but not in the dst
+ * container, we note it and add it to dst container. If there are any objects
+ * or functions associated with src, we go through and update the types that
+ * they refer to such that they all refer to types in the dst container.
+ *
+ * The bulk of the logic for the merge, after we've run the diff, occurs in
+ * ctf_merge_common().
+ *
+ * In terms of exported APIs, we don't really export a simple merge two
+ * containers, as the general way this is used, in something like ctfmerge(1),
+ * is to add all the containers and then let us figure out the best way to merge
+ * it. In the future we'll want to grow some control over the number of threads
+ * that we use to do this, if we end up wanting a muli-threaded merge. If we do,
+ * we should take care to do the merge in the same way every time.
+ */
+
+#include <ctf_impl.h>
+#include <libctf.h>
+#include <sys/debug.h>
+#include <sys/list.h>
+#include <stddef.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <stdio.h>
+
+typedef struct ctf_merge_tinfo {
+	uint16_t cmt_map;	/* Map to the type in out */
+	boolean_t cmt_fixup;
+	boolean_t cmt_forward;
+	boolean_t cmt_missing;
+} ctf_merge_tinfo_t;
+
+/*
+ * State required for doing an individual merge of two containers.
+ */
+typedef struct ctf_merge_types {
+	ctf_file_t *cm_out;		/* Output CTF file */
+	ctf_file_t *cm_src;		/* Input CTF file */
+	ctf_merge_tinfo_t *cm_tmap;	/* Type state information */
+} ctf_merge_types_t;
+
+typedef struct ctf_merge_objmap {
+	list_node_t cmo_node;
+	const char *cmo_name;		/* Symbol name */
+	ulong_t cmo_idx;		/* Symbol ID */
+	ctf_id_t cmo_tid;		/* Type ID */
+} ctf_merge_objmap_t;
+
+typedef struct ctf_merge_funcmap {
+	list_node_t cmf_node;
+	const char *cmf_name;		/* Symbol name */
+	ulong_t cmf_idx;		/* Symbol ID */
+	ctf_id_t cmf_rtid;		/* Type ID */
+	uint_t cmf_flags;		/* ctf_funcinfo_t ctc_flags */
+	uint_t cmf_argc;		/* Number of arguments */
+	ctf_id_t cmf_args[];		/* Types of arguments */
+} ctf_merge_funcmap_t;
+
+typedef struct ctf_merge_input {
+	list_node_t cmi_node;
+	ctf_file_t *cmi_input;
+	list_t cmi_omap;
+	list_t cmi_fmap;
+} ctf_merge_input_t;
+
+struct ctf_merge_handle {
+	ctf_file_t *cmh_output;		/* Final output */
+	list_t cmh_inputs;		/* Input list */
+	ctf_file_t *cmh_unique;		/* ctf to uniquify against */
+	boolean_t cmh_msyms;		/* Should we merge symbols/funcs? */
+	int cmh_ofd;			/* FD for output file */
+	int cmh_flags;			/* Flags that control merge behavior */
+	char *cmh_label;		/* Optional label */
+	char *cmh_pname;		/* Parent name */
+};
+
+static int ctf_merge_add_type(ctf_merge_types_t *, ctf_id_t);
+
+static void
+ctf_merge_diffcb(ctf_file_t *ifp, ctf_id_t iid, boolean_t same, ctf_file_t *ofp,
+    ctf_id_t oid, void *arg)
+{
+	ctf_merge_types_t *cmp = arg;
+	ctf_merge_tinfo_t *cmt = cmp->cm_tmap;
+
+	if (same == B_TRUE) {
+		if (ctf_type_kind(ifp, iid) == CTF_K_FORWARD &&
+		    ctf_type_kind(ofp, oid) != CTF_K_FORWARD) {
+			VERIFY(cmt[oid].cmt_map == 0);
+			cmt[oid].cmt_map = iid;
+			cmt[oid].cmt_forward = B_TRUE;
+			return;
+		}
+
+		/*
+		 * We could have multiple things that a given type ends up
+		 * matching in the world of forwards and pointers to forwards.
+		 * For now just take the first one...
+		 */
+		if (cmt[oid].cmt_map != 0)
+			return;
+		cmt[oid].cmt_map = iid;
+	} else if (ifp == cmp->cm_src) {
+		VERIFY(cmt[iid].cmt_map == 0);
+		cmt[iid].cmt_missing = B_TRUE;
+	}
+}
+
+static int
+ctf_merge_add_number(ctf_merge_types_t *cmp, ctf_id_t id)
+{
+	int ret, flags;
+	const ctf_type_t *tp;
+	const char *name;
+	ctf_encoding_t en;
+
+	if (ctf_type_encoding(cmp->cm_src, id, &en) != 0)
+		return (CTF_ERR);
+
+	tp = LCTF_INDEX_TO_TYPEPTR(cmp->cm_src, id);
+	name = ctf_strraw(cmp->cm_src, tp->ctt_name);
+	if (CTF_INFO_ISROOT(tp->ctt_info) != 0)
+		flags = CTF_ADD_ROOT;
+	else
+		flags = CTF_ADD_NONROOT;
+
+	ret = ctf_add_encoded(cmp->cm_out, flags, name, &en,
+	    ctf_type_kind(cmp->cm_src, id));
+
+	if (ret == CTF_ERR)
+		return (ret);
+
+	VERIFY(cmp->cm_tmap[id].cmt_map == 0);
+	cmp->cm_tmap[id].cmt_map = ret;
+	return (0);
+}
+
+static int
+ctf_merge_add_array(ctf_merge_types_t *cmp, ctf_id_t id)
+{
+	int ret, flags;
+	const ctf_type_t *tp;
+	ctf_arinfo_t ar;
+
+	if (ctf_array_info(cmp->cm_src, id, &ar) == CTF_ERR)
+		return (CTF_ERR);
+
+	tp = LCTF_INDEX_TO_TYPEPTR(cmp->cm_src, id);
+	if (CTF_INFO_ISROOT(tp->ctt_info) != 0)
+		flags = CTF_ADD_ROOT;
+	else
+		flags = CTF_ADD_NONROOT;
+
+	if (cmp->cm_tmap[ar.ctr_contents].cmt_map == 0) {
+		ret = ctf_merge_add_type(cmp, ar.ctr_contents);
+		if (ret != 0)
+			return (ret);
+		ASSERT(cmp->cm_tmap[ar.ctr_contents].cmt_map != 0);
+	}
+	ar.ctr_contents = cmp->cm_tmap[ar.ctr_contents].cmt_map;
+
+	if (cmp->cm_tmap[ar.ctr_index].cmt_map == 0) {
+		ret = ctf_merge_add_type(cmp, ar.ctr_index);
+		if (ret != 0)
+			return (ret);
+		ASSERT(cmp->cm_tmap[ar.ctr_index].cmt_map != 0);
+	}
+	ar.ctr_index = cmp->cm_tmap[ar.ctr_index].cmt_map;
+
+	ret = ctf_add_array(cmp->cm_out, flags, &ar);
+	if (ret == CTF_ERR)
+		return (ret);
+
+	VERIFY(cmp->cm_tmap[id].cmt_map == 0);
+	cmp->cm_tmap[id].cmt_map = ret;
+
+	return (0);
+}
+
+static int
+ctf_merge_add_reftype(ctf_merge_types_t *cmp, ctf_id_t id)
+{
+	int ret, flags;
+	const ctf_type_t *tp;
+	ctf_id_t reftype;
+	const char *name;
+
+	tp = LCTF_INDEX_TO_TYPEPTR(cmp->cm_src, id);
+	name = ctf_strraw(cmp->cm_src, tp->ctt_name);
+	if (CTF_INFO_ISROOT(tp->ctt_info) != 0)
+		flags = CTF_ADD_ROOT;
+	else
+		flags = CTF_ADD_NONROOT;
+
+	reftype = ctf_type_reference(cmp->cm_src, id);
+	if (reftype == CTF_ERR)
+		return (ctf_set_errno(cmp->cm_out, ctf_errno(cmp->cm_src)));
+
+	if (cmp->cm_tmap[reftype].cmt_map == 0) {
+		ret = ctf_merge_add_type(cmp, reftype);
+		if (ret != 0)
+			return (ret);
+		ASSERT(cmp->cm_tmap[reftype].cmt_map != 0);
+	}
+	reftype = cmp->cm_tmap[reftype].cmt_map;
+
+	ret = ctf_add_reftype(cmp->cm_out, flags, name, reftype,
+	    ctf_type_kind(cmp->cm_src, id));
+	if (ret == CTF_ERR)
+		return (ret);
+
+	VERIFY(cmp->cm_tmap[id].cmt_map == 0);
+	cmp->cm_tmap[id].cmt_map = ret;
+	return (0);
+}
+
+static int
+ctf_merge_add_typedef(ctf_merge_types_t *cmp, ctf_id_t id)
+{
+	int ret, flags;
+	const ctf_type_t *tp;
+	const char *name;
+	ctf_id_t reftype;
+
+	tp = LCTF_INDEX_TO_TYPEPTR(cmp->cm_src, id);
+	name = ctf_strraw(cmp->cm_src, tp->ctt_name);
+	if (CTF_INFO_ISROOT(tp->ctt_info) != 0)
+		flags = CTF_ADD_ROOT;
+	else
+		flags = CTF_ADD_NONROOT;
+
+	reftype = ctf_type_reference(cmp->cm_src, id);
+	if (reftype == CTF_ERR)
+		return (ctf_set_errno(cmp->cm_out, ctf_errno(cmp->cm_src)));
+
+	if (cmp->cm_tmap[reftype].cmt_map == 0) {
+		ret = ctf_merge_add_type(cmp, reftype);
+		if (ret != 0)
+			return (ret);
+		ASSERT(cmp->cm_tmap[reftype].cmt_map != 0);
+	}
+	reftype = cmp->cm_tmap[reftype].cmt_map;
+
+	ret = ctf_add_typedef(cmp->cm_out, flags, name, reftype);
+	if (ret == CTF_ERR)
+		return (ret);
+
+	VERIFY(cmp->cm_tmap[id].cmt_map == 0);
+	cmp->cm_tmap[id].cmt_map = ret;
+	return (0);
+}
+
+typedef struct ctf_merge_enum {
+	ctf_file_t *cme_fp;
+	ctf_id_t cme_id;
+} ctf_merge_enum_t;
+
+static int
+ctf_merge_add_enumerator(const char *name, int value, void *arg)
+{
+	ctf_merge_enum_t *cmep = arg;
+
+	return (ctf_add_enumerator(cmep->cme_fp, cmep->cme_id, name, value) ==
+	    CTF_ERR);
+}
+
+static int
+ctf_merge_add_enum(ctf_merge_types_t *cmp, ctf_id_t id)
+{
+	int flags;
+	const ctf_type_t *tp;
+	const char *name;
+	ctf_id_t enumid;
+	ctf_merge_enum_t cme;
+
+	tp = LCTF_INDEX_TO_TYPEPTR(cmp->cm_src, id);
+	name = ctf_strraw(cmp->cm_src, tp->ctt_name);
+	if (CTF_INFO_ISROOT(tp->ctt_info) != 0)
+		flags = CTF_ADD_ROOT;
+	else
+		flags = CTF_ADD_NONROOT;
+
+	enumid = ctf_add_enum(cmp->cm_out, flags, name);
+	if (enumid == CTF_ERR)
+		return (enumid);
+
+	cme.cme_fp = cmp->cm_out;
+	cme.cme_id = enumid;
+	if (ctf_enum_iter(cmp->cm_src, id, ctf_merge_add_enumerator,
+	    &cme) != 0)
+		return (CTF_ERR);
+
+	VERIFY(cmp->cm_tmap[id].cmt_map == 0);
+	cmp->cm_tmap[id].cmt_map = enumid;
+	return (0);
+}
+
+static int
+ctf_merge_add_func(ctf_merge_types_t *cmp, ctf_id_t id)
+{
+	int ret, flags, i;
+	const ctf_type_t *tp;
+	ctf_funcinfo_t ctc;
+	ctf_id_t *argv;
+
+	tp = LCTF_INDEX_TO_TYPEPTR(cmp->cm_src, id);
+	if (CTF_INFO_ISROOT(tp->ctt_info) != 0)
+		flags = CTF_ADD_ROOT;
+	else
+		flags = CTF_ADD_NONROOT;
+
+	if (ctf_func_info_by_id(cmp->cm_src, id, &ctc) == CTF_ERR)
+		return (ctf_set_errno(cmp->cm_out, ctf_errno(cmp->cm_src)));
+
+	argv = ctf_alloc(sizeof (ctf_id_t) * ctc.ctc_argc);
+	if (argv == NULL)
+		return (ctf_set_errno(cmp->cm_out, ENOMEM));
+	if (ctf_func_args_by_id(cmp->cm_src, id, ctc.ctc_argc, argv) ==
+	    CTF_ERR) {
+		ctf_free(argv, sizeof (ctf_id_t) * ctc.ctc_argc);
+		return (ctf_set_errno(cmp->cm_out, ctf_errno(cmp->cm_src)));
+	}
+
+	if (cmp->cm_tmap[ctc.ctc_return].cmt_map == 0) {
+		ret = ctf_merge_add_type(cmp, ctc.ctc_return);
+		if (ret != 0)
+			return (ret);
+		ASSERT(cmp->cm_tmap[ctc.ctc_return].cmt_map != 0);
+	}
+	ctc.ctc_return = cmp->cm_tmap[ctc.ctc_return].cmt_map;
+
+	for (i = 0; i < ctc.ctc_argc; i++) {
+		if (cmp->cm_tmap[argv[i]].cmt_map == 0) {
+			ret = ctf_merge_add_type(cmp, argv[i]);
+			if (ret != 0)
+				return (ret);
+			ASSERT(cmp->cm_tmap[argv[i]].cmt_map != 0);
+		}
+		argv[i] = cmp->cm_tmap[argv[i]].cmt_map;
+	}
+
+	ret = ctf_add_funcptr(cmp->cm_out, flags, &ctc, argv);
+	ctf_free(argv, sizeof (ctf_id_t) * ctc.ctc_argc);
+	if (ret == CTF_ERR)
+		return (ret);
+
+	VERIFY(cmp->cm_tmap[id].cmt_map == 0);
+	cmp->cm_tmap[id].cmt_map = ret;
+	return (0);
+}
+
+static int
+ctf_merge_add_forward(ctf_merge_types_t *cmp, ctf_id_t id)
+{
+	int ret, flags;
+	const ctf_type_t *tp;
+	const char *name;
+
+	tp = LCTF_INDEX_TO_TYPEPTR(cmp->cm_src, id);
+	name = ctf_strraw(cmp->cm_src, tp->ctt_name);
+	if (CTF_INFO_ISROOT(tp->ctt_info) != 0)
+		flags = CTF_ADD_ROOT;
+	else
+		flags = CTF_ADD_NONROOT;
+
+	/*
+	 * ctf_add_forward tries to check to see if a given forward already
+	 * exists in one of its hash tables.  If we're here then we know that we
+	 * have a forward in a container that isn't present in another.
+	 * Therefore, we choose a token hash table to satisfy the API choice
+	 * here.
+	 */
+	ret = ctf_add_forward(cmp->cm_out, flags, name, CTF_K_STRUCT);
+	if (ret == CTF_ERR)
+		return (CTF_ERR);
+
+	VERIFY(cmp->cm_tmap[id].cmt_map == 0);
+	cmp->cm_tmap[id].cmt_map = ret;
+	return (0);
+}
+
+typedef struct ctf_merge_su {
+	ctf_merge_types_t *cms_cm;
+	ctf_id_t cms_id;
+} ctf_merge_su_t;
+
+static int
+ctf_merge_add_member(const char *name, ctf_id_t type, ulong_t offset, void *arg)
+{
+	ctf_merge_su_t *cms = arg;
+
+	VERIFY(cms->cms_cm->cm_tmap[type].cmt_map != 0);
+	type = cms->cms_cm->cm_tmap[type].cmt_map;
+
+	return (ctf_add_member(cms->cms_cm->cm_out, cms->cms_id, name,
+	    type, offset) == CTF_ERR);
+}
+
+/*
+ * During the first pass, we always add the generic structure and union but none
+ * of its members as they might not all have been mapped yet. Instead we just
+ * mark all structures and unions as needing to be fixed up.
+ */
+static int
+ctf_merge_add_su(ctf_merge_types_t *cmp, ctf_id_t id, boolean_t forward)
+{
+	int flags, kind;
+	const ctf_type_t *tp;
+	const char *name;
+	ctf_id_t suid;
+
+	tp = LCTF_INDEX_TO_TYPEPTR(cmp->cm_src, id);
+	name = ctf_strraw(cmp->cm_src, tp->ctt_name);
+	if (CTF_INFO_ISROOT(tp->ctt_info) != 0)
+		flags = CTF_ADD_ROOT;
+	else
+		flags = CTF_ADD_NONROOT;
+	kind = ctf_type_kind(cmp->cm_src, id);
+
+	if (kind == CTF_K_STRUCT)
+		suid = ctf_add_struct(cmp->cm_out, flags, name);
+	else
+		suid = ctf_add_union(cmp->cm_out, flags, name);
+
+	if (suid == CTF_ERR)
+		return (suid);
+
+	/*
+	 * If this is a forward reference then it's mapping should already
+	 * exist.
+	 */
+	if (forward == B_FALSE) {
+		VERIFY(cmp->cm_tmap[id].cmt_map == 0);
+		cmp->cm_tmap[id].cmt_map = suid;
+	} else {
+		VERIFY(cmp->cm_tmap[id].cmt_map == suid);
+	}
+	cmp->cm_tmap[id].cmt_fixup = B_TRUE;
+
+	return (0);
+}
+
+static int
+ctf_merge_add_type(ctf_merge_types_t *cmp, ctf_id_t id)
+{
+	int kind, ret;
+
+	/*
+	 * We may end up evaluating a type more than once as we may deal with it
+	 * as we recursively evaluate some kind of reference and then we may see
+	 * it normally.
+	 */
+	if (cmp->cm_tmap[id].cmt_map != 0)
+		return (0);
+
+	kind = ctf_type_kind(cmp->cm_src, id);
+	switch (kind) {
+	case CTF_K_INTEGER:
+	case CTF_K_FLOAT:
+		ret = ctf_merge_add_number(cmp, id);
+		break;
+	case CTF_K_ARRAY:
+		ret = ctf_merge_add_array(cmp, id);
+		break;
+	case CTF_K_POINTER:
+	case CTF_K_VOLATILE:
+	case CTF_K_CONST:
+	case CTF_K_RESTRICT:
+		ret = ctf_merge_add_reftype(cmp, id);
+		break;
+	case CTF_K_TYPEDEF:
+		ret = ctf_merge_add_typedef(cmp, id);
+		break;
+	case CTF_K_ENUM:
+		ret = ctf_merge_add_enum(cmp, id);
+		break;
+	case CTF_K_FUNCTION:
+		ret = ctf_merge_add_func(cmp, id);
+		break;
+	case CTF_K_FORWARD:
+		ret = ctf_merge_add_forward(cmp, id);
+		break;
+	case CTF_K_STRUCT:
+	case CTF_K_UNION:
+		ret = ctf_merge_add_su(cmp, id, B_FALSE);
+		break;
+	case CTF_K_UNKNOWN:
+		/*
+		 * We don't add uknown types, and we later assert that nothing
+		 * should reference them.
+		 */
+		return (0);
+	default:
+		abort();
+	}
+
+	return (ret);
+}
+
+static int
+ctf_merge_fixup_su(ctf_merge_types_t *cmp, ctf_id_t id)
+{
+	ctf_dtdef_t *dtd;
+	ctf_merge_su_t cms;
+	ctf_id_t mapid;
+
+	mapid = cmp->cm_tmap[id].cmt_map;
+	VERIFY(mapid != 0);
+	dtd = ctf_dtd_lookup(cmp->cm_out, mapid);
+	VERIFY(dtd != NULL);
+
+	cms.cms_cm = cmp;
+	cms.cms_id = mapid;
+	if (ctf_member_iter(cmp->cm_src, id, ctf_merge_add_member, &cms) != 0)
+		return (CTF_ERR);
+
+	return (0);
+}
+
+static int
+ctf_merge_fixup_type(ctf_merge_types_t *cmp, ctf_id_t id)
+{
+	int kind, ret;
+
+	kind = ctf_type_kind(cmp->cm_src, id);
+	switch (kind) {
+	case CTF_K_STRUCT:
+	case CTF_K_UNION:
+		ret = ctf_merge_fixup_su(cmp, id);
+		break;
+	default:
+		VERIFY(0);
+		ret = CTF_ERR;
+	}
+
+	return (ret);
+}
+
+
+/*
+ * We're going to do three passes over the containers.
+ *
+ * Pass 1 checks for forward references in the output container that we know
+ * exist in the source container.
+ *
+ * Pass 2 adds all the missing types from the source container. As part of this
+ * we may be adding a type as a forward reference that doesn't exist yet.
+ * Any types that we encounter in this form, we need to add to a third pass.
+ *
+ * Pass 3 is the fixup pass. Here we go through and find all the types that were
+ * missing in the first.
+ *
+ * Importantly, we *must* call ctf_update between the second and third pass,
+ * otherwise several of the libctf functions will not properly find the data in
+ * the container.
+ */
+static int
+ctf_merge_common(ctf_merge_types_t *cmp)
+{
+	int ret, i;
+
+	/* Pass 1 */
+	for (i = 1; i <= cmp->cm_src->ctf_typemax; i++) {
+		if (cmp->cm_tmap[i].cmt_forward == B_TRUE) {
+			ret = ctf_merge_add_su(cmp, i, B_TRUE);
+			if (ret != 0)
+				return (ret);
+		}
+	}
+
+	/* Pass 2 */
+	for (i = 1; i <= cmp->cm_src->ctf_typemax; i++) {
+		if (cmp->cm_tmap[i].cmt_missing == B_TRUE) {
+			ret = ctf_merge_add_type(cmp, i);
+			if (ret != 0)
+				return (ret);
+		}
+	}
+
+	ret = ctf_update(cmp->cm_out);
+	if (ret != 0)
+		return (ret);
+
+	/* Pass 3 */
+	for (i = 1; i <= cmp->cm_src->ctf_typemax; i++) {
+		if (cmp->cm_tmap[i].cmt_fixup == B_TRUE) {
+			ret = ctf_merge_fixup_type(cmp, i);
+			if (ret != 0)
+				return (ret);
+		}
+	}
+
+	return (0);
+}
+
+/*
+ * Uniquification is slightly different from a stock merge. For starters, we
+ * don't need to replace any forward references in the output. In this case
+ * though, the types that already exist are in a parent container to the empty
+ * output container.
+ */
+static int
+ctf_merge_uniquify_types(ctf_merge_types_t *cmp)
+{
+	int i, ret;
+
+	for (i = 1; i <= cmp->cm_src->ctf_typemax; i++) {
+		if (cmp->cm_tmap[i].cmt_missing == B_FALSE)
+			continue;
+		ret = ctf_merge_add_type(cmp, i);
+		if (ret != 0)
+			return (ret);
+	}
+
+	ret = ctf_update(cmp->cm_out);
+	if (ret != 0)
+		return (ret);
+
+	for (i = 1; i <= cmp->cm_src->ctf_typemax; i++) {
+		if (cmp->cm_tmap[i].cmt_fixup == B_FALSE)
+			continue;
+		ret = ctf_merge_fixup_type(cmp, i);
+		if (ret != 0)
+			return (ret);
+	}
+
+	return (0);
+}
+
+static int
+ctf_merge_types_init(ctf_merge_types_t *cmp)
+{
+	cmp->cm_tmap = ctf_alloc(sizeof (ctf_merge_tinfo_t) *
+	    (cmp->cm_src->ctf_typemax + 1));
+	if (cmp->cm_tmap == NULL)
+		return (ctf_set_errno(cmp->cm_out, ENOMEM));
+	bzero(cmp->cm_tmap, sizeof (ctf_merge_tinfo_t) *
+	    (cmp->cm_src->ctf_typemax + 1));
+	return (0);
+}
+
+static void
+ctf_merge_types_fini(ctf_merge_types_t *cmp)
+{
+	ctf_free(cmp->cm_tmap, sizeof (ctf_merge_tinfo_t) *
+	    (cmp->cm_src->ctf_typemax + 1));
+}
+
+/*
+ * Merge types from targ into dest.
+ */
+static int
+ctf_merge(ctf_file_t **outp, ctf_merge_input_t *cmi)
+{
+	int ret;
+	ctf_merge_types_t cm;
+	ctf_diff_t *cdp;
+	ctf_merge_objmap_t *cmo;
+	ctf_merge_funcmap_t *cmf;
+	ctf_file_t *out = *outp;
+	ctf_file_t *source = cmi->cmi_input;
+
+	if (!(out->ctf_flags & LCTF_RDWR))
+		return (ctf_set_errno(out, ECTF_RDONLY));
+
+	if (ctf_getmodel(out) != ctf_getmodel(source))
+		return (ctf_set_errno(out, ECTF_DMODEL));
+
+	if ((ret = ctf_diff_init(out, source, &cdp)) != 0)
+		return (ret);
+
+	cm.cm_out = out;
+	cm.cm_src = source;
+	ret = ctf_merge_types_init(&cm);
+	if (ret != 0) {
+		ctf_diff_fini(cdp);
+		return (ctf_set_errno(out, ret));
+	}
+
+	ret = ctf_diff_types(cdp, ctf_merge_diffcb, &cm);
+	if (ret != 0)
+		goto cleanup;
+	ret = ctf_merge_common(&cm);
+	if (ret == 0)
+		ret = ctf_update(out);
+	else
+		goto cleanup;
+
+	/*
+	 * Now we need to fix up the object and function maps.
+	 */
+	for (cmo = list_head(&cmi->cmi_omap); cmo != NULL;
+	    cmo = list_next(&cmi->cmi_omap, cmo)) {
+		if (cmo->cmo_tid == 0)
+			continue;
+		VERIFY(cm.cm_tmap[cmo->cmo_tid].cmt_map != 0);
+		cmo->cmo_tid = cm.cm_tmap[cmo->cmo_tid].cmt_map;
+	}
+
+	for (cmf = list_head(&cmi->cmi_fmap); cmf != NULL;
+	    cmf = list_next(&cmi->cmi_fmap, cmf)) {
+		int i;
+
+		VERIFY(cm.cm_tmap[cmf->cmf_rtid].cmt_map != 0);
+		cmf->cmf_rtid = cm.cm_tmap[cmf->cmf_rtid].cmt_map;
+		for (i = 0; i < cmf->cmf_argc; i++) {
+			VERIFY(cm.cm_tmap[cmf->cmf_args[i]].cmt_map != 0);
+			cmf->cmf_args[i] = cm.cm_tmap[cmf->cmf_args[i]].cmt_map;
+		}
+	}
+
+cleanup:
+	ctf_merge_types_fini(&cm);
+	ctf_diff_fini(cdp);
+	return (ret);
+}
+
+static int
+ctf_uniquify_types(ctf_merge_t *cmh, ctf_file_t **outp)
+{
+	int err, ret;
+	ctf_file_t *out;
+	ctf_merge_types_t cm;
+	ctf_diff_t *cdp;
+	ctf_merge_input_t *cmi;
+	ctf_file_t *src = cmh->cmh_output;
+	ctf_file_t *parent = cmh->cmh_unique;
+
+	*outp = NULL;
+	if (cmh->cmh_ofd == -1)
+		out = ctf_create(&err);
+	else
+		out = ctf_fdcreate(cmh->cmh_ofd, &err);
+	if (out == NULL)
+		return (ctf_set_errno(src, err));
+
+	out->ctf_parname = cmh->cmh_pname;
+	if (ctf_setmodel(out, ctf_getmodel(parent)) != 0) {
+		(void) ctf_set_errno(src, ctf_errno(out));
+		ctf_close(out);
+		return (CTF_ERR);
+	}
+
+	if (ctf_import(out, parent) != 0) {
+		(void) ctf_set_errno(src, ctf_errno(out));
+		ctf_close(out);
+		return (CTF_ERR);
+	}
+
+	if ((ret = ctf_diff_init(parent, src, &cdp)) != 0) {
+		ctf_close(out);
+		return (ctf_set_errno(src, ctf_errno(parent)));
+	}
+
+	cm.cm_out = parent;
+	cm.cm_src = src;
+	ret = ctf_merge_types_init(&cm);
+	if (ret != 0) {
+		ctf_close(out);
+		ctf_diff_fini(cdp);
+		return (ctf_set_errno(src, ret));
+	}
+
+	ret = ctf_diff_types(cdp, ctf_merge_diffcb, &cm);
+	if (ret == 0) {
+		cm.cm_out = out;
+		ret = ctf_merge_uniquify_types(&cm);
+		if (ret == 0)
+			ret = ctf_update(out);
+	}
+
+	if (ret != 0) {
+		ctf_merge_types_fini(&cm);
+		ctf_diff_fini(cdp);
+		return (ctf_set_errno(src, ctf_errno(cm.cm_out)));
+	}
+
+	for (cmi = list_head(&cmh->cmh_inputs); cmi != NULL;
+	    cmi = list_next(&cmh->cmh_inputs, cmi)) {
+		ctf_merge_objmap_t *cmo;
+		ctf_merge_funcmap_t *cmf;
+
+		for (cmo = list_head(&cmi->cmi_omap); cmo != NULL;
+		    cmo = list_next(&cmi->cmi_omap, cmo)) {
+			if (cmo->cmo_tid == 0)
+				continue;
+			VERIFY(cm.cm_tmap[cmo->cmo_tid].cmt_map != 0);
+			cmo->cmo_tid = cm.cm_tmap[cmo->cmo_tid].cmt_map;
+		}
+
+		for (cmf = list_head(&cmi->cmi_fmap); cmf != NULL;
+		    cmf = list_next(&cmi->cmi_fmap, cmf)) {
+			int i;
+
+			VERIFY(cm.cm_tmap[cmf->cmf_rtid].cmt_map != 0);
+			cmf->cmf_rtid = cm.cm_tmap[cmf->cmf_rtid].cmt_map;
+			for (i = 0; i < cmf->cmf_argc; i++) {
+				VERIFY(cm.cm_tmap[cmf->cmf_args[i]].cmt_map !=
+				    0);
+				cmf->cmf_args[i] =
+				    cm.cm_tmap[cmf->cmf_args[i]].cmt_map;
+			}
+		}
+	}
+
+	ctf_merge_types_fini(&cm);
+	ctf_diff_fini(cdp);
+	*outp = out;
+	return (0);
+}
+
+static void
+ctf_merge_fini_input(ctf_merge_input_t *cmi)
+{
+	ctf_merge_objmap_t *cmo;
+	ctf_merge_funcmap_t *cmf;
+
+	while ((cmo = list_remove_head(&cmi->cmi_omap)) != NULL)
+		ctf_free(cmo, sizeof (ctf_merge_objmap_t));
+
+	while ((cmf = list_remove_head(&cmi->cmi_fmap)) != NULL)
+		ctf_free(cmf, sizeof (ctf_merge_funcmap_t) +
+		    sizeof (ctf_id_t) * cmf->cmf_argc);
+
+	ctf_free(cmi, sizeof (ctf_merge_input_t));
+}
+
+void
+ctf_merge_fini(ctf_merge_t *cmh)
+{
+	size_t len;
+	ctf_merge_input_t *cmi;
+
+	if (cmh->cmh_output != NULL)
+		ctf_close(cmh->cmh_output);
+
+	if (cmh->cmh_label != NULL) {
+		len = strlen(cmh->cmh_label) + 1;
+		ctf_free(cmh->cmh_label, len);
+	}
+
+	if (cmh->cmh_pname != NULL) {
+		len = strlen(cmh->cmh_pname) + 1;
+		ctf_free(cmh->cmh_pname, len);
+	}
+
+	while ((cmi = list_remove_head(&cmh->cmh_inputs)) != NULL)
+		ctf_merge_fini_input(cmi);
+
+	ctf_free(cmh, sizeof (ctf_merge_t));
+}
+
+ctf_merge_t *
+ctf_merge_init(int fd, int *errp)
+{
+	int err;
+	ctf_merge_t *out;
+	struct stat st;
+
+	if (errp == NULL)
+		errp = &err;
+
+	if (fd != -1 && fstat(fd, &st) != 0) {
+		*errp = EINVAL;
+		return (NULL);
+	}
+
+	out = ctf_alloc(sizeof (ctf_merge_t));
+	if (out == NULL) {
+		*errp = ENOMEM;
+		return (NULL);
+	}
+
+	if (fd == -1) {
+		out->cmh_output = ctf_create(errp);
+		out->cmh_msyms = B_FALSE;
+	} else {
+		out->cmh_output = ctf_fdcreate(fd, errp);
+		out->cmh_msyms = B_TRUE;
+	}
+
+	if (out->cmh_output == NULL) {
+		ctf_free(out, sizeof (ctf_merge_t));
+		return (NULL);
+	}
+
+	list_create(&out->cmh_inputs, sizeof (ctf_merge_input_t),
+	    offsetof(ctf_merge_input_t, cmi_node));
+	out->cmh_unique = NULL;
+	out->cmh_ofd = fd;
+	out->cmh_label = NULL;
+	out->cmh_pname = NULL;
+
+	return (out);
+}
+
+int
+ctf_merge_label(ctf_merge_t *cmh, const char *label)
+{
+	char *dup;
+
+	if (cmh->cmh_output == NULL)
+		return (EINVAL);
+
+	if (label == NULL)
+		return (EINVAL);
+
+	dup = ctf_strdup(label);
+	if (dup == NULL)
+		return (EAGAIN);
+
+	if (cmh->cmh_label != NULL) {
+		size_t len = strlen(cmh->cmh_label) + 1;
+		ctf_free(cmh->cmh_label, len);
+	}
+
+	cmh->cmh_label = dup;
+	return (0);
+}
+
+static int
+ctf_merge_add_funcs(const char *name, ulong_t idx, ctf_funcinfo_t *fip,
+    void *arg)
+{
+	ctf_merge_input_t *cmi = arg;
+	ctf_merge_funcmap_t *fmap;
+
+	fmap = ctf_alloc(sizeof (ctf_merge_funcmap_t) +
+	    sizeof (ctf_id_t) * fip->ctc_argc);
+	if (fmap == NULL)
+		return (ENOMEM);
+
+	fmap->cmf_idx = idx;
+	fmap->cmf_rtid = fip->ctc_return;
+	fmap->cmf_flags = fip->ctc_flags;
+	fmap->cmf_argc = fip->ctc_argc;
+	fmap->cmf_name = name;
+
+	if (ctf_func_args(cmi->cmi_input, idx, fmap->cmf_argc,
+	    fmap->cmf_args) != 0) {
+		ctf_free(fmap, sizeof (ctf_merge_funcmap_t) +
+		    sizeof (ctf_id_t) * fip->ctc_argc);
+		return (ctf_errno(cmi->cmi_input));
+	}
+
+	list_insert_tail(&cmi->cmi_fmap, fmap);
+	return (0);
+}
+
+static int
+ctf_merge_add_objs(const char *name, ctf_id_t id, ulong_t idx, void *arg)
+{
+	ctf_merge_input_t *cmi = arg;
+	ctf_merge_objmap_t *cmo;
+
+	cmo = ctf_alloc(sizeof (ctf_merge_objmap_t));
+	if (cmo == NULL)
+		return (ENOMEM);
+
+	cmo->cmo_name = name;
+	cmo->cmo_idx = idx;
+	cmo->cmo_tid = id;
+	list_insert_tail(&cmi->cmi_omap, cmo);
+	return (0);
+}
+
+int
+ctf_merge_add(ctf_merge_t *cmh, ctf_file_t *input)
+{
+	int ret;
+	ctf_merge_input_t *cmi;
+
+	if (cmh->cmh_output == NULL)
+		return (EINVAL);
+
+	if (input->ctf_flags & LCTF_CHILD)
+		return (ECTF_MCHILD);
+
+	cmi = ctf_alloc(sizeof (ctf_merge_input_t));
+	if (cmi == NULL)
+		return (ENOMEM);
+
+	cmi->cmi_input = input;
+	list_create(&cmi->cmi_fmap, sizeof (ctf_merge_funcmap_t),
+	    offsetof(ctf_merge_funcmap_t, cmf_node));
+	list_create(&cmi->cmi_omap, sizeof (ctf_merge_funcmap_t),
+	    offsetof(ctf_merge_objmap_t, cmo_node));
+
+	if (cmh->cmh_msyms == B_TRUE) {
+		if ((ret = ctf_function_iter(input, ctf_merge_add_funcs,
+		    cmi)) != 0) {
+			ctf_merge_fini_input(cmi);
+			return (ret);
+		}
+
+		if ((ret = ctf_object_iter(input, ctf_merge_add_objs,
+		    cmi)) != 0) {
+			ctf_merge_fini_input(cmi);
+			return (ret);
+		}
+	}
+
+	list_insert_tail(&cmh->cmh_inputs, cmi);
+	return (0);
+}
+
+int
+ctf_merge_uniquify(ctf_merge_t *cmh, ctf_file_t *u, const char *pname)
+{
+	char *dup;
+
+	if (cmh->cmh_output == NULL)
+		return (EINVAL);
+	if (u->ctf_flags & LCTF_CHILD)
+		return (ECTF_MCHILD);
+	if (pname == NULL)
+		return (EINVAL);
+	dup = ctf_strdup(pname);
+	if (dup == NULL)
+		return (EINVAL);
+	if (cmh->cmh_pname != NULL) {
+		size_t len = strlen(cmh->cmh_pname) + 1;
+		ctf_free(cmh->cmh_pname, len);
+	}
+	cmh->cmh_pname = dup;
+	cmh->cmh_unique = u;
+	return (0);
+}
+
+static int
+ctf_merge_symbols(ctf_merge_t *cmh, ctf_file_t *fp)
+{
+	int err;
+	ulong_t i;
+
+	uintptr_t symbase = (uintptr_t)fp->ctf_symtab.cts_data;
+	uintptr_t strbase = (uintptr_t)fp->ctf_strtab.cts_data;
+
+	for (i = 0; i < fp->ctf_nsyms; i++) {
+		const char *name;
+		ctf_merge_input_t *cmi;
+		ctf_merge_objmap_t *cmo;
+
+		if (fp->ctf_symtab.cts_entsize == sizeof (Elf32_Sym)) {
+			const Elf32_Sym *symp = (Elf32_Sym *)symbase + i;
+			int type = ELF32_ST_TYPE(symp->st_info);
+			if (type != STT_OBJECT)
+				continue;
+			if (ctf_sym_valid(strbase, type, symp->st_shndx,
+			    symp->st_value, symp->st_name) == B_FALSE)
+				continue;
+			name = (char *)(strbase + symp->st_name);
+		} else {
+			const Elf64_Sym *symp = (Elf64_Sym *)symbase + i;
+			int type = ELF64_ST_TYPE(symp->st_info);
+			if (type != STT_OBJECT)
+				continue;
+			if (ctf_sym_valid(strbase, type, symp->st_shndx,
+			    symp->st_value, symp->st_name) == B_FALSE)
+				continue;
+			name = (char *)(strbase + symp->st_name);
+		}
+
+		cmo = NULL;
+		for (cmi = list_head(&cmh->cmh_inputs); cmi != NULL;
+		    cmi = list_next(&cmh->cmh_inputs, cmi)) {
+			for (cmo = list_head(&cmi->cmi_omap); cmo != NULL;
+			    cmo = list_next(&cmi->cmi_omap, cmo)) {
+				if (strcmp(cmo->cmo_name, name) == 0)
+					goto found;
+			}
+		}
+found:
+		if (cmo != NULL) {
+			if (cmo->cmo_tid == 0)
+				continue;
+			if ((err = ctf_add_object(fp, i, cmo->cmo_tid)) != 0)
+				return (err);
+		}
+	}
+
+	return (0);
+}
+
+static int
+ctf_merge_functions(ctf_merge_t *cmh, ctf_file_t *fp)
+{
+	int err;
+	ulong_t i;
+	ctf_funcinfo_t fi;
+
+	uintptr_t symbase = (uintptr_t)fp->ctf_symtab.cts_data;
+	uintptr_t strbase = (uintptr_t)fp->ctf_strtab.cts_data;
+
+	for (i = 0; i < fp->ctf_nsyms; i++) {
+		const char *name;
+		ctf_merge_input_t *cmi;
+		ctf_merge_funcmap_t *cmf;
+
+		if (fp->ctf_symtab.cts_entsize == sizeof (Elf32_Sym)) {
+			const Elf32_Sym *symp = (Elf32_Sym *)symbase + i;
+			int type = ELF32_ST_TYPE(symp->st_info);
+			if (ELF32_ST_TYPE(symp->st_info) != STT_FUNC)
+				continue;
+			if (ctf_sym_valid(strbase, type, symp->st_shndx,
+			    symp->st_value, symp->st_name) == B_FALSE)
+				continue;
+			name = (char *)(strbase + symp->st_name);
+		} else {
+			const Elf64_Sym *symp = (Elf64_Sym *)symbase + i;
+			int type = ELF64_ST_TYPE(symp->st_info);
+			if (ELF64_ST_TYPE(symp->st_info) != STT_FUNC)
+				continue;
+			if (ctf_sym_valid(strbase, type, symp->st_shndx,
+			    symp->st_value, symp->st_name) == B_FALSE)
+				continue;
+			name = (char *)(strbase + symp->st_name);
+		}
+
+		cmf = NULL;
+		for (cmi = list_head(&cmh->cmh_inputs); cmi != NULL;
+		    cmi = list_next(&cmh->cmh_inputs, cmi)) {
+			for (cmf = list_head(&cmi->cmi_fmap); cmf != NULL;
+			    cmf = list_next(&cmi->cmi_fmap, cmf)) {
+				if (strcmp(cmf->cmf_name, name) == 0)
+					goto found;
+			}
+		}
+found:
+		if (cmf != NULL) {
+			fi.ctc_return = cmf->cmf_rtid;
+			fi.ctc_argc = cmf->cmf_argc;
+			fi.ctc_flags = cmf->cmf_flags;
+			if ((err = ctf_add_function(fp, i, &fi,
+			    cmf->cmf_args)) != 0)
+				return (err);
+		}
+	}
+
+	return (0);
+
+}
+
+int
+ctf_merge_merge(ctf_merge_t *cmh, ctf_file_t **out)
+{
+	int err;
+	ctf_merge_input_t *cmi;
+	boolean_t mset = B_FALSE;
+	ctf_id_t ltype;
+
+	if (cmh->cmh_label != NULL && cmh->cmh_unique != NULL) {
+		const char *label = ctf_label_topmost(cmh->cmh_unique);
+		if (label == NULL)
+			return (ECTF_NOLABEL);
+		if (strcmp(label, cmh->cmh_label) != 0)
+			return (ECTF_LCONFLICT);
+	}
+
+	/*
+	 * We should consider doing a divide and conquer and parallel merge
+	 * here. If we did, we'd want to use some number of threads to perform
+	 * this operation.
+	 */
+	for (cmi = list_head(&cmh->cmh_inputs); cmi != NULL;
+	    cmi = list_next(&cmh->cmh_inputs, cmi)) {
+		if (mset == B_FALSE) {
+			if (ctf_setmodel(cmh->cmh_output,
+			    ctf_getmodel(cmi->cmi_input)) != 0) {
+				return (ctf_errno(cmh->cmh_output));
+			}
+			mset = B_TRUE;
+		}
+		err = ctf_merge(&cmh->cmh_output, cmi);
+		if (err != 0)
+			return (ctf_errno(cmh->cmh_output));
+	}
+
+	if (cmh->cmh_unique != NULL) {
+		err = ctf_uniquify_types(cmh, out);
+		if (err != 0)
+			return (ctf_errno(cmh->cmh_output));
+		ctf_close(cmh->cmh_output);
+	} else {
+		*out = cmh->cmh_output;
+	}
+
+	ltype = (*out)->ctf_typemax;
+	if (((*out)->ctf_flags & LCTF_CHILD) && ltype != 0)
+		ltype += 0x8000;
+	if (ctf_add_label(*out, cmh->cmh_label, ltype, 0) != 0) {
+		return (ctf_errno(*out));
+	}
+
+	if (cmh->cmh_msyms == B_TRUE) {
+		err = ctf_merge_symbols(cmh, *out);
+		if (err != 0)
+			return (ctf_errno(*out));
+
+		err = ctf_merge_functions(cmh, *out);
+		if (err != 0)
+			return (ctf_errno(*out));
+	}
+
+	err = ctf_update(*out);
+	if (err != 0)
+		return (ctf_errno(*out));
+
+	cmh->cmh_output = NULL;
+
+	return (0);
+}
diff --git a/usr/src/lib/libctf/common/libctf.h b/usr/src/lib/libctf/common/libctf.h
index 3fd69318de..13c7e07e99 100644
--- a/usr/src/lib/libctf/common/libctf.h
+++ b/usr/src/lib/libctf/common/libctf.h
@@ -23,6 +23,9 @@
  * Copyright 2001-2003 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
+/*
+ * Copyright (c) 2015, Joyent, Inc.
+ */
 
 /*
  * This header file defines the interfaces available from the CTF debugger
@@ -32,7 +35,7 @@
  * the fullness of time after we gain more experience with the interfaces.
  *
  * In the meantime, be aware that any program linked with libctf in this
- * release of Solaris is almost guaranteed to break in the next release.
+ * release of illumos is almost guaranteed to break in the next release.
  *
  * In short, do not user this header file or libctf for any purpose.
  */
@@ -40,8 +43,6 @@
 #ifndef	_LIBCTF_H
 #define	_LIBCTF_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <sys/ctf_api.h>
 
 #ifdef	__cplusplus
@@ -53,6 +54,39 @@ extern "C" {
  */
 extern int _libctf_debug;
 
+typedef enum ctf_diff_flag {
+	CTF_DIFF_F_IGNORE_INTNAMES = 0x01,
+	CTF_DIFF_F_MASK	= 0x01
+} ctf_diff_flag_t;
+
+typedef struct ctf_diff ctf_diff_t;
+typedef void (*ctf_diff_type_f)(ctf_file_t *, ctf_id_t, boolean_t, ctf_file_t *,
+    ctf_id_t, void *);
+typedef void (*ctf_diff_func_f)(ctf_file_t *, ulong_t, boolean_t, ctf_file_t *,
+    ulong_t, void *);
+typedef void (*ctf_diff_obj_f)(ctf_file_t *, ulong_t, ctf_id_t, boolean_t,
+    ctf_file_t *, ulong_t, ctf_id_t, void *);
+
+extern int ctf_diff_init(ctf_file_t *, ctf_file_t *, ctf_diff_t **);
+extern uint_t ctf_diff_getflags(ctf_diff_t *);
+extern int ctf_diff_setflags(ctf_diff_t *, uint_t);
+extern int ctf_diff_types(ctf_diff_t *, ctf_diff_type_f, void *);
+extern int ctf_diff_functions(ctf_diff_t *, ctf_diff_func_f, void *);
+extern int ctf_diff_objects(ctf_diff_t *, ctf_diff_obj_f, void *);
+extern void ctf_diff_fini(ctf_diff_t *);
+
+typedef struct ctf_merge_handle ctf_merge_t;
+extern ctf_merge_t *ctf_merge_init(int, int *);
+extern int ctf_merge_add(ctf_merge_t *, ctf_file_t *);
+extern int ctf_merge_label(ctf_merge_t *, const char *);
+extern int ctf_merge_uniquify(ctf_merge_t *, ctf_file_t *, const char *);
+extern int ctf_merge_merge(ctf_merge_t *, ctf_file_t **);
+extern void ctf_merge_fini(ctf_merge_t *);
+
+#define	CTF_ELFWRITE_F_COMPRESS		0x1
+extern int ctf_elffdwrite(ctf_file_t *, int, int, int);
+extern int ctf_elfwrite(ctf_file_t *, const char *, const char *, int);
+
 #ifdef	__cplusplus
 }
 #endif
diff --git a/usr/src/lib/libctf/common/mapfile-vers b/usr/src/lib/libctf/common/mapfile-vers
index 5573e8db25..95ddfd5d6c 100644
--- a/usr/src/lib/libctf/common/mapfile-vers
+++ b/usr/src/lib/libctf/common/mapfile-vers
@@ -23,7 +23,7 @@
 #
 
 #
-# Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+# Copyright (c) 2015, Joyent, Inc.  All rights reserved.
 #
 
 #
@@ -53,10 +53,13 @@ SYMBOL_VERSION SUNWprivate_1.2 {
 	ctf_add_enumerator;
 	ctf_add_float;
 	ctf_add_forward;
+	ctf_add_funcptr;
 	ctf_add_function;
 	ctf_add_integer;
+	ctf_add_label;
 	ctf_add_member;
 	ctf_add_pointer;
+	ctf_add_object;
 	ctf_add_restrict;
 	ctf_add_struct;
 	ctf_add_type;
@@ -64,17 +67,41 @@ SYMBOL_VERSION SUNWprivate_1.2 {
 	ctf_add_union;
 	ctf_add_volatile;
 	ctf_create;
+	ctf_dataptr;
 	ctf_delete_type;
+	ctf_diff_init;
+	ctf_diff_fini;
+	ctf_diff_functions;
+	ctf_diff_getflags;
+	ctf_diff_objects;
+	ctf_diff_setflags;
+	ctf_diff_types;
 	ctf_discard;
 	ctf_dup;
+	ctf_elffdwrite;
+	ctf_elfwrite;
 	ctf_enum_value;
+	ctf_flags;
+	ctf_func_args_by_id;
+	ctf_func_info_by_id;
+	ctf_function_iter;
 	ctf_label_info;
 	ctf_label_iter;
 	ctf_label_topmost;
 	ctf_member_info;
+	ctf_merge_add;
+	ctf_merge_fini;
+	ctf_merge_init;
+	ctf_merge_label;
+	ctf_merge_merge;
+	ctf_merge_uniquify;
+	ctf_object_iter;
 	ctf_parent_file;
+	ctf_parent_label;
 	ctf_parent_name;
 	ctf_set_array;
+	ctf_string_iter;
+	ctf_symbol_name;
 	ctf_type_align;
 	ctf_type_cmp;
 	ctf_type_compat;
diff --git a/usr/src/lib/libcurses/screen/setupterm.c b/usr/src/lib/libcurses/screen/setupterm.c
index c1f4bdeb04..f67e8751b7 100644
--- a/usr/src/lib/libcurses/screen/setupterm.c
+++ b/usr/src/lib/libcurses/screen/setupterm.c
@@ -37,8 +37,6 @@
  * contributors.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 /*LINTLIBRARY*/
 
 #include	<stdio.h>
@@ -48,6 +46,7 @@
 #include	<string.h>
 #include	<unistd.h>
 #include	<errno.h>
+#include	<zone.h>
 #include	"curses_inc.h"
 
 #define	TERMPATH	"/usr/share/lib/terminfo/"
@@ -272,9 +271,11 @@ setupterm(char *term, int filenum, int *errret)
 	}
 
 	if (tfd < 0) {
+		const char *zroot = zone_get_nroot();
 		/* /usr/share/lib/terminfo/?/$TERM */
 		if (snprintf(fname, sizeof (fname),
-			"%s/%c/%s", TERMPATH, *term, term) >= sizeof (fname)) {
+			"%s/%s/%c/%s", zroot == NULL ? "" : zroot, TERMPATH,
+			*term, term) >= sizeof (fname)) {
 			term_errno = TERMINFO_TOO_LONG;
 			goto out_err;
 		}
diff --git a/usr/src/lib/libdladm/Makefile b/usr/src/lib/libdladm/Makefile
index 92de14cc8a..a74b40f58d 100644
--- a/usr/src/lib/libdladm/Makefile
+++ b/usr/src/lib/libdladm/Makefile
@@ -20,6 +20,7 @@
 #
 #
 # Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2015, Joyent, Inc.
 #
 #
 
@@ -29,7 +30,7 @@ HDRS =		libdladm.h libdladm_impl.h libdllink.h libdlaggr.h	\
 		libdlwlan.h libdlwlan_impl.h libdlvnic.h libdlvlan.h	\
 		libdlmgmt.h libdlflow.h libdlflow_impl.h libdlstat.h	\
 		libdlether.h libdlsim.h libdlbridge.h libdliptun.h	\
-		libdlib.h
+		libdlib.h libdloverlay.h
 
 HDRDIR =	common
 
@@ -50,6 +51,14 @@ MSGFILES =	common/libdladm.c common/linkprop.c common/secobj.c	\
 
 XGETFLAGS =     -a -x libdladm.xcl
 
+TYPECHECK_LIB =	libdladm.so.1
+TYPELIST =	overlay_ioc_create_t \
+		overlay_ioc_activate_t \
+		overlay_ioc_delete_t \
+		overlay_ioc_nprops_t \
+		overlay_ioc_propinfo_t \
+		overlay_ioc_prop_t
+
 all :=		TARGET = all
 clean :=	TARGET = clean
 clobber :=	TARGET = clobber
@@ -62,7 +71,7 @@ all clean clobber install lint: $(SUBDIRS)
 
 install_h:	$(ROOTHDRS)
 
-check:		$(CHECKHDRS)
+check:		$(CHECKHDRS) $(TYPECHECK)
 
 $(POFILE):	pofile_MSGFILES
 
diff --git a/usr/src/lib/libdladm/Makefile.com b/usr/src/lib/libdladm/Makefile.com
index 5bb56d1440..1cb28706a7 100644
--- a/usr/src/lib/libdladm/Makefile.com
+++ b/usr/src/lib/libdladm/Makefile.com
@@ -20,6 +20,7 @@
 #
 #
 # Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2015, Joyent, Inc.
 #
 
 LIBRARY = libdladm.a
@@ -27,7 +28,8 @@ VERS    = .1
 OBJECTS = libdladm.o secobj.o linkprop.o libdllink.o libdlaggr.o \
 	libdlwlan.o libdlvnic.o libdlmgmt.o libdlvlan.o	libdlib.o\
 	flowattr.o flowprop.o propfuncs.o libdlflow.o libdlstat.o \
-	usage.o libdlether.o libdlsim.o libdlbridge.o libdliptun.o
+	usage.o libdlether.o libdlsim.o libdlbridge.o libdliptun.o \
+	libdloverlay.o
 
 include ../../Makefile.lib
 
@@ -36,7 +38,7 @@ include ../../Makefile.rootfs
 
 LIBS =		$(DYNLIB) $(LINTLIB)
 LDLIBS +=	-ldevinfo -lc -linetutil -lsocket -lscf -lrcm -lnvpair \
-		-lexacct -lnsl -lkstat -lcurses -lpool
+		-lexacct -lnsl -lkstat -lcurses -lpool -lvarpd
 
 SRCDIR =	../common
 $(LINTLIB) :=	SRCS = $(SRCDIR)/$(LINTSRC)
@@ -48,6 +50,9 @@ CERRWARN +=	-_gcc=-Wno-unused-label
 CERRWARN +=	-_gcc=-Wno-uninitialized
 CPPFLAGS +=	-I$(SRCDIR) -D_REENTRANT
 
+C99MODE=	-xc99=%all
+C99LMODE=	-Xc99=%all
+
 .KEEP_STATE:
 
 all:		$(LIBS)
diff --git a/usr/src/lib/libdladm/common/libdladm.c b/usr/src/lib/libdladm/common/libdladm.c
index cf113e7357..37823ce913 100644
--- a/usr/src/lib/libdladm/common/libdladm.c
+++ b/usr/src/lib/libdladm/common/libdladm.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc.
  */
 
 #include <unistd.h>
@@ -29,6 +30,9 @@
 #include <strings.h>
 #include <dirent.h>
 #include <stdlib.h>
+#include <assert.h>
+#include <stdio.h>
+#include <stdarg.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <sys/param.h>
@@ -418,6 +422,9 @@ dladm_status2str(dladm_status_t status, char *buf)
 	case DLADM_STATUS_INVALID_MTU:
 		s = "MTU check failed, MTU outside of device's supported range";
 		break;
+	case DLADM_STATUS_BAD_ENCAP:
+		s = "invalid encapsulation protocol";
+		break;
 	default:
 		s = "<unknown error>";
 		break;
@@ -654,6 +661,9 @@ dladm_class2str(datalink_class_t class, char *buf)
 	case DATALINK_CLASS_PART:
 		s = "part";
 		break;
+	case DATALINK_CLASS_OVERLAY:
+		s = "overlay";
+		break;
 	default:
 		s = "unknown";
 		break;
@@ -1132,15 +1142,15 @@ dladm_strs2range(char **prop_val, uint_t val_cnt,
  * Convert a mac_propval_range_t structure into an array of elements.
  */
 dladm_status_t
-dladm_range2list(mac_propval_range_t *rangep, void *elem, uint_t *nelem)
+dladm_range2list(const mac_propval_range_t *rangep, void *elem, uint_t *nelem)
 {
 	int		i, j, k;
 	dladm_status_t	status = DLADM_STATUS_OK;
 
 	switch (rangep->mpr_type) {
 	case MAC_PROPVAL_UINT32: {
-		mac_propval_uint32_range_t	*ur;
-		uint32_t			*elem32 = elem;
+		const mac_propval_uint32_range_t	*ur;
+		uint32_t				*elem32 = elem;
 
 		k = 0;
 		ur = &rangep->mpr_range_uint32[0];
@@ -1168,13 +1178,13 @@ dladm_range2list(mac_propval_range_t *rangep, void *elem, uint_t *nelem)
  * of single elements or ranges.
  */
 int
-dladm_range2strs(mac_propval_range_t *rangep, char **prop_val)
+dladm_range2strs(const mac_propval_range_t *rangep, char **prop_val)
 {
 	int	i;
 
 	switch (rangep->mpr_type) {
 	case MAC_PROPVAL_UINT32: {
-		mac_propval_uint32_range_t	*ur;
+		const mac_propval_uint32_range_t	*ur;
 
 		/* Write ranges and individual elements */
 		ur = &rangep->mpr_range_uint32[0];
@@ -1191,6 +1201,20 @@ dladm_range2strs(mac_propval_range_t *rangep, char **prop_val)
 		}
 		return (0);
 	}
+	case MAC_PROPVAL_STR: {
+		const mac_propval_str_range_t	*str;
+		size_t				coff, len;
+
+		coff = 0;
+		str = &rangep->u.mpr_str;
+		for (i = 0; i < rangep->mpr_count; i++) {
+			len = strlen(&str->mpur_data[coff]);
+			(void) strlcpy(prop_val[i], &str->mpur_data[coff],
+			    DLADM_PROP_VAL_MAX);
+			coff += len + 1;
+		}
+		return (0);
+	}
 	default:
 		break;
 	}
@@ -1268,3 +1292,54 @@ dladm_list2range(void *elem, uint_t nelem, mac_propval_type_t type,
 
 	return (status);
 }
+
+void
+dladm_errlist_init(dladm_errlist_t *erl)
+{
+	bzero(erl, sizeof (dladm_errlist_t));
+}
+
+void
+dladm_errlist_reset(dladm_errlist_t *erl)
+{
+	uint_t i;
+
+	for (i = 0; i < erl->el_count; i++)
+		free(erl->el_errs[i]);
+	free(erl->el_errs);
+	dladm_errlist_init(erl);
+}
+
+dladm_status_t
+dladm_errlist_append(dladm_errlist_t *erl, const char *fmt, ...)
+{
+	int ret;
+	va_list ap;
+	char *m = NULL;
+
+	if (erl->el_count == erl->el_alloc) {
+		int alloc;
+		void *addr;
+		if (erl->el_alloc == 0) {
+			assert(erl->el_errs == NULL);
+			alloc = 32;
+		} else {
+			alloc = erl->el_alloc + 32;
+		}
+		addr = realloc(erl->el_errs, sizeof (char *) * alloc);
+		if (addr == NULL)
+			return (DLADM_STATUS_NOMEM);
+
+		erl->el_errs = addr;
+		erl->el_alloc = alloc;
+	}
+
+	va_start(ap, fmt);
+	ret = vasprintf(&m, fmt, ap);
+	va_end(ap);
+	if (ret == -1)
+		return (dladm_errno2status(errno));
+	erl->el_errs[erl->el_count] = m;
+	erl->el_count++;
+	return (DLADM_STATUS_OK);
+}
diff --git a/usr/src/lib/libdladm/common/libdladm.h b/usr/src/lib/libdladm/common/libdladm.h
index c2fceb25ab..2a0491c048 100644
--- a/usr/src/lib/libdladm/common/libdladm.h
+++ b/usr/src/lib/libdladm/common/libdladm.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #ifndef _LIBDLADM_H
@@ -71,6 +72,10 @@ extern "C" {
  *  - DLADM_OPT_BOOT:
  *    Bypass check functions during boot (used by pool property since pools
  *    can come up after link properties are set)
+ *
+ *  - DLADM_OPT_TRANSIENT:
+ *    Indicates that the link assigned to a zone is transient and will be
+ *    removed when the zone shuts down.
  */
 #define	DLADM_OPT_ACTIVE	0x00000001
 #define	DLADM_OPT_PERSIST	0x00000002
@@ -81,6 +86,7 @@ extern "C" {
 #define	DLADM_OPT_VLAN		0x00000040
 #define	DLADM_OPT_NOREFRESH	0x00000080
 #define	DLADM_OPT_BOOT		0x00000100
+#define	DLADM_OPT_TRANSIENT	0x00000200
 
 #define	DLADM_WALK_TERMINATE	0
 #define	DLADM_WALK_CONTINUE	-1
@@ -173,7 +179,8 @@ typedef enum {
 	DLADM_STATUS_NO_IB_HW_RESOURCE,
 	DLADM_STATUS_INVALID_PKEY_TBL_SIZE,
 	DLADM_STATUS_PORT_NOPROTO,
-	DLADM_STATUS_INVALID_MTU
+	DLADM_STATUS_INVALID_MTU,
+	DLADM_STATUS_BAD_ENCAP
 } dladm_status_t;
 
 typedef enum {
@@ -221,6 +228,12 @@ typedef struct dladm_arg_list {
 	char			*al_buf;
 } dladm_arg_list_t;
 
+typedef struct dladm_errlist {
+	uint_t		el_count;
+	uint_t		el_alloc;
+	char		**el_errs;
+} dladm_errlist_t;
+
 typedef enum {
 	DLADM_LOGTYPE_LINK = 1,
 	DLADM_LOGTYPE_FLOW
@@ -282,12 +295,15 @@ extern dladm_status_t	dladm_zone_halt(dladm_handle_t, zoneid_t);
 
 extern dladm_status_t	dladm_strs2range(char **, uint_t, mac_propval_type_t,
 			    mac_propval_range_t **);
-extern dladm_status_t	dladm_range2list(mac_propval_range_t *, void*,
+extern dladm_status_t	dladm_range2list(const mac_propval_range_t *, void *,
 			    uint_t *);
-extern int		dladm_range2strs(mac_propval_range_t *, char **);
+extern int		dladm_range2strs(const mac_propval_range_t *, char **);
 extern dladm_status_t	dladm_list2range(void *, uint_t, mac_propval_type_t,
 			    mac_propval_range_t **);
 
+extern void		dladm_errlist_init(dladm_errlist_t *);
+extern void		dladm_errlist_reset(dladm_errlist_t *);
+
 #ifdef	__cplusplus
 }
 #endif
diff --git a/usr/src/lib/libdladm/common/libdladm_impl.h b/usr/src/lib/libdladm/common/libdladm_impl.h
index 13169285e3..e1a3177808 100644
--- a/usr/src/lib/libdladm/common/libdladm_impl.h
+++ b/usr/src/lib/libdladm/common/libdladm_impl.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #ifndef _LIBDLADM_IMPL_H
@@ -168,6 +169,12 @@ typedef struct resource_prop_s {
  */
 #define	FBRIDGE		"bridge"	/* string */
 
+/*
+ * For error lists
+ */
+extern dladm_status_t	dladm_errlist_append(dladm_errlist_t *,
+    const char *, ...);
+
 #ifdef	__cplusplus
 }
 #endif
diff --git a/usr/src/lib/libdladm/common/libdllink.c b/usr/src/lib/libdladm/common/libdllink.c
index 8a3c5759ee..303885e929 100644
--- a/usr/src/lib/libdladm/common/libdllink.c
+++ b/usr/src/lib/libdladm/common/libdllink.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent Inc. All rights reserved.
  */
 
 #include <sys/types.h>
@@ -386,10 +387,14 @@ dladm_linkduplex2str(link_duplex_t duplex, char *buf)
 /*
  * Case 1: rename an existing link1 to a link2 that does not exist.
  * Result: <linkid1, link2>
+ * The zonename parameter is used to allow us to create a VNIC in the global
+ * zone which is assigned to a non-global zone.  Since there is a race condition
+ * in the create process if two VNICs have the same name, we need to rename it
+ * after it has been assigned to the zone.
  */
 static dladm_status_t
 i_dladm_rename_link_c1(dladm_handle_t handle, datalink_id_t linkid1,
-    const char *link1, const char *link2, uint32_t flags)
+    const char *link1, const char *link2, uint32_t flags, const char *zonename)
 {
 	dld_ioc_rename_t	dir;
 	dladm_status_t		status = DLADM_STATUS_OK;
@@ -402,6 +407,10 @@ i_dladm_rename_link_c1(dladm_handle_t handle, datalink_id_t linkid1,
 		dir.dir_linkid1 = linkid1;
 		dir.dir_linkid2 = DATALINK_INVALID_LINKID;
 		(void) strlcpy(dir.dir_link, link2, MAXLINKNAMELEN);
+		if (zonename != NULL)
+			dir.dir_zoneinit = B_TRUE;
+		else
+			dir.dir_zoneinit = B_FALSE;
 
 		if (ioctl(dladm_dld_fd(handle), DLDIOC_RENAME, &dir) < 0) {
 			status = dladm_errno2status(errno);
@@ -412,6 +421,7 @@ i_dladm_rename_link_c1(dladm_handle_t handle, datalink_id_t linkid1,
 	status = dladm_remap_datalink_id(handle, linkid1, link2);
 	if (status != DLADM_STATUS_OK && (flags & DLADM_OPT_ACTIVE)) {
 		(void) strlcpy(dir.dir_link, link1, MAXLINKNAMELEN);
+		dir.dir_zoneinit = B_FALSE;
 		(void) ioctl(dladm_dld_fd(handle), DLDIOC_RENAME, &dir);
 	}
 	return (status);
@@ -508,6 +518,7 @@ i_dladm_rename_link_c2(dladm_handle_t handle, datalink_id_t linkid1,
 	 */
 	dir.dir_linkid1 = linkid1;
 	dir.dir_linkid2 = linkid2;
+	dir.dir_zoneinit = B_FALSE;
 	if (ioctl(dladm_dld_fd(handle), DLDIOC_RENAME, &dir) < 0)
 		status = dladm_errno2status(errno);
 
@@ -617,7 +628,8 @@ done:
 }
 
 dladm_status_t
-dladm_rename_link(dladm_handle_t handle, const char *link1, const char *link2)
+dladm_rename_link(dladm_handle_t handle, const char *zonename,
+    const char *link1, const char *link2)
 {
 	datalink_id_t		linkid1 = DATALINK_INVALID_LINKID;
 	datalink_id_t		linkid2 = DATALINK_INVALID_LINKID;
@@ -627,11 +639,11 @@ dladm_rename_link(dladm_handle_t handle, const char *link1, const char *link2)
 	boolean_t		remphy2 = B_FALSE;
 	dladm_status_t  	status;
 
-	(void) dladm_name2info(handle, link1, &linkid1, &flags1, &class1,
-	    &media1);
-	if ((dladm_name2info(handle, link2, &linkid2, &flags2, &class2,
-	    &media2) == DLADM_STATUS_OK) && (class2 == DATALINK_CLASS_PHYS) &&
-	    (flags2 == DLADM_OPT_PERSIST)) {
+	(void) dladm_zname2info(handle, zonename, link1, &linkid1, &flags1,
+	    &class1, &media1);
+	if ((dladm_zname2info(handle, zonename, link2, &linkid2, &flags2,
+	    &class2, &media2) == DLADM_STATUS_OK) &&
+	    (class2 == DATALINK_CLASS_PHYS) && (flags2 == DLADM_OPT_PERSIST)) {
 		/*
 		 * see whether link2 is a removed physical link.
 		 */
@@ -645,7 +657,7 @@ dladm_rename_link(dladm_handle_t handle, const char *link1, const char *link2)
 			 * does not exist.
 			 */
 			status = i_dladm_rename_link_c1(handle, linkid1, link1,
-			    link2, flags1);
+			    link2, flags1, zonename);
 		} else if (remphy2) {
 			/*
 			 * case 2: rename an available link to a REMOVED
diff --git a/usr/src/lib/libdladm/common/libdllink.h b/usr/src/lib/libdladm/common/libdllink.h
index a2830b5e37..a858e78aa3 100644
--- a/usr/src/lib/libdladm/common/libdllink.h
+++ b/usr/src/lib/libdladm/common/libdllink.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent Inc. All rights reserved.
  */
 
 #ifndef _LIBDLLINK_H
@@ -121,7 +122,7 @@ extern dladm_status_t	dladm_info(dladm_handle_t, datalink_id_t,
 			    dladm_attr_t *);
 
 extern dladm_status_t	dladm_rename_link(dladm_handle_t, const char *,
-			    const char *);
+			    const char *, const char *);
 
 extern dladm_status_t	dladm_set_linkprop(dladm_handle_t, datalink_id_t,
 			    const char *, char **, uint_t, uint_t);
@@ -170,6 +171,9 @@ extern dladm_status_t	dladm_up_datalink_id(dladm_handle_t, datalink_id_t);
 extern dladm_status_t	dladm_name2info(dladm_handle_t, const char *,
 			    datalink_id_t *, uint32_t *, datalink_class_t *,
 			    uint32_t *);
+extern dladm_status_t	dladm_zname2info(dladm_handle_t, const char *,
+			    const char *, datalink_id_t *, uint32_t *,
+			    datalink_class_t *, uint32_t *);
 extern dladm_status_t	dladm_datalink_id2info(dladm_handle_t, datalink_id_t,
 			    uint32_t *, datalink_class_t *, uint32_t *, char *,
 			    size_t);
diff --git a/usr/src/lib/libdladm/common/libdlmgmt.c b/usr/src/lib/libdladm/common/libdlmgmt.c
index 4b0753417c..c9c7906934 100644
--- a/usr/src/lib/libdladm/common/libdlmgmt.c
+++ b/usr/src/lib/libdladm/common/libdlmgmt.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent Inc. All rights reserved.
  */
 
 #include <door.h>
@@ -528,12 +529,24 @@ dladm_getnext_conf_linkprop(dladm_handle_t handle, dladm_conf_t conf,
 }
 
 /*
- * Get the link ID that is associated with the given name.
+ * Get the link ID that is associated with the given name in the current zone.
  */
 dladm_status_t
 dladm_name2info(dladm_handle_t handle, const char *link, datalink_id_t *linkidp,
     uint32_t *flagp, datalink_class_t *classp, uint32_t *mediap)
 {
+	return (dladm_zname2info(handle, NULL, link, linkidp, flagp, classp,
+	   mediap));
+}
+
+/*
+ * Get the link ID that is associated with the given zone/name pair.
+ */
+dladm_status_t
+dladm_zname2info(dladm_handle_t handle, const char *zonename, const char *link,
+    datalink_id_t *linkidp, uint32_t *flagp, datalink_class_t *classp,
+    uint32_t *mediap)
+{
 	dlmgmt_door_getlinkid_t		getlinkid;
 	dlmgmt_getlinkid_retval_t	retval;
 	datalink_id_t			linkid;
@@ -542,6 +555,10 @@ dladm_name2info(dladm_handle_t handle, const char *link, datalink_id_t *linkidp,
 
 	getlinkid.ld_cmd = DLMGMT_CMD_GETLINKID;
 	(void) strlcpy(getlinkid.ld_link, link, MAXLINKNAMELEN);
+	if (zonename != NULL)
+		getlinkid.ld_zoneid = getzoneidbyname(zonename);
+	else
+		getlinkid.ld_zoneid = -1;
 
 	if ((status = dladm_door_call(handle, &getlinkid, sizeof (getlinkid),
 	    &retval, &sz)) != DLADM_STATUS_OK) {
diff --git a/usr/src/lib/libdladm/common/libdloverlay.c b/usr/src/lib/libdladm/common/libdloverlay.c
new file mode 100644
index 0000000000..3da9005183
--- /dev/null
+++ b/usr/src/lib/libdladm/common/libdloverlay.c
@@ -0,0 +1,887 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.
+ */
+
+#include <libdladm_impl.h>
+#include <libdllink.h>
+#include <libdloverlay.h>
+#include <sys/dld.h>
+#include <sys/overlay.h>
+#include <strings.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <limits.h>
+#include <libvarpd_client.h>
+
+#define	VARPD_PROPERTY_NAME	"varpd/id"
+
+static const char *dladm_overlay_doorpath = "/var/run/varpd/varpd.door";
+
+typedef struct dladm_overlay_propinfo {
+	boolean_t dop_isvarpd;
+	union {
+		overlay_ioc_propinfo_t *dop_overlay;
+		varpd_client_prop_handle_t *dop_varpd;
+	} dop_un;
+} dladm_overlay_propinfo_t;
+
+dladm_status_t
+dladm_overlay_prop_info(dladm_overlay_propinfo_handle_t phdl,
+    const char **namep, uint_t *typep, uint_t *protp, const void **defp,
+    uint32_t *sizep, const mac_propval_range_t **possp)
+{
+	dladm_overlay_propinfo_t *infop = (dladm_overlay_propinfo_t *)phdl;
+	overlay_ioc_propinfo_t *oinfop = infop->dop_un.dop_overlay;
+
+	if (infop->dop_isvarpd == B_FALSE) {
+		if (namep != NULL)
+			*namep = oinfop->oipi_name;
+		if (typep != NULL)
+			*typep = oinfop->oipi_type;
+		if (protp != NULL)
+			*protp = oinfop->oipi_prot;
+		if (defp != NULL)
+			*defp = oinfop->oipi_default;
+		if (sizep != NULL)
+			*sizep = oinfop->oipi_defsize;
+		if (possp != NULL) {
+			/* LINTED: E_BAD_PTR_CAST_ALIGN */
+			*possp = (const mac_propval_range_t *)oinfop->oipi_poss;
+		}
+
+	} else {
+		int ret;
+		ret = libvarpd_c_prop_info(infop->dop_un.dop_varpd, namep,
+		    typep, protp, defp, sizep, possp);
+		if (ret != 0)
+			return (dladm_errno2status(ret));
+
+	}
+
+	return (DLADM_STATUS_OK);
+}
+
+static dladm_status_t
+dladm_overlay_parse_prop(overlay_prop_type_t type, void *buf, uint32_t *sizep,
+    const char *val)
+{
+	int ret;
+	int64_t ival;
+	uint64_t uval;
+	char *eptr;
+	struct in6_addr ipv6;
+	struct in_addr ip;
+
+	switch (type) {
+	case OVERLAY_PROP_T_INT:
+		errno = 0;
+		ival = strtol(val, &eptr, 10);
+		if ((ival == 0 && errno == EINVAL) ||
+		    ((ival == LONG_MAX || ival == LONG_MIN) &&
+		    errno == ERANGE))
+			return (DLADM_STATUS_BADARG);
+		bcopy(&ival, buf, sizeof (int64_t));
+		*sizep = sizeof (int64_t);
+		break;
+	case OVERLAY_PROP_T_UINT:
+		errno = 0;
+		uval = strtol(val, &eptr, 10);
+		if ((uval == 0 && errno == EINVAL) ||
+		    (uval == ULONG_MAX && errno == ERANGE))
+			return (DLADM_STATUS_BADARG);
+		bcopy(&uval, buf, sizeof (uint64_t));
+		*sizep = sizeof (uint64_t);
+		break;
+	case OVERLAY_PROP_T_STRING:
+		ret = strlcpy((char *)buf, val, OVERLAY_PROP_SIZEMAX);
+		if (ret >= OVERLAY_PROP_SIZEMAX)
+			return (DLADM_STATUS_BADARG);
+		*sizep = ret + 1;
+		break;
+	case OVERLAY_PROP_T_IP:
+		/*
+		 * Always try to parse the IP as an IPv6 address. If that fails,
+		 * try to interpret it as an IPv4 address and transform it into
+		 * an IPv6 mapped IPv4 address.
+		 */
+		if (inet_pton(AF_INET6, val, &ipv6) != 1) {
+			if (inet_pton(AF_INET, val, &ip) != 1)
+				return (DLADM_STATUS_BADARG);
+
+			IN6_INADDR_TO_V4MAPPED(&ip, &ipv6);
+		}
+		bcopy(&ipv6, buf, sizeof (struct in6_addr));
+		*sizep = sizeof (struct in6_addr);
+		break;
+	default:
+		abort();
+	}
+
+	return (DLADM_STATUS_OK);
+}
+
+/* ARGSUSED */
+static dladm_status_t
+dladm_overlay_varpd_setprop(dladm_handle_t handle, varpd_client_handle_t *chdl,
+    uint64_t inst, const char *name, char *const *valp, uint_t cnt)
+{
+	int ret;
+	uint32_t size;
+	uint8_t buf[LIBVARPD_PROP_SIZEMAX];
+	varpd_client_prop_handle_t *phdl;
+	uint_t type;
+	dladm_status_t status;
+
+	if ((ret = libvarpd_c_prop_handle_alloc(chdl, inst, &phdl)) != 0)
+		return (dladm_errno2status(ret));
+
+	if ((ret = libvarpd_c_prop_info_fill_by_name(phdl, name)) != 0) {
+		libvarpd_c_prop_handle_free(phdl);
+		return (dladm_errno2status(ret));
+	}
+
+	if ((ret = libvarpd_c_prop_info(phdl, NULL, &type, NULL, NULL, NULL,
+	    NULL)) != 0) {
+		libvarpd_c_prop_handle_free(phdl);
+		return (dladm_errno2status(ret));
+	}
+
+	if ((status = dladm_overlay_parse_prop(type, buf, &size, valp[0])) !=
+	    DLADM_STATUS_OK) {
+		libvarpd_c_prop_handle_free(phdl);
+		return (status);
+	}
+
+	ret = libvarpd_c_prop_set(phdl, buf, size);
+	libvarpd_c_prop_handle_free(phdl);
+
+	return (dladm_errno2status(ret));
+}
+
+dladm_status_t
+dladm_overlay_setprop(dladm_handle_t handle, datalink_id_t linkid,
+    const char *name, char *const *valp, uint_t cnt)
+{
+	int			ret;
+	dladm_status_t		status;
+	overlay_ioc_propinfo_t	info;
+	overlay_ioc_prop_t	prop;
+
+	if (linkid == DATALINK_INVALID_LINKID ||
+	    name == NULL || valp == NULL || cnt != 1)
+		return (DLADM_STATUS_BADARG);
+
+	bzero(&info, sizeof (overlay_ioc_propinfo_t));
+	info.oipi_linkid = linkid;
+	info.oipi_id = -1;
+	if (strlcpy(info.oipi_name, name, OVERLAY_PROP_NAMELEN) >=
+	    OVERLAY_PROP_NAMELEN)
+		return (DLADM_STATUS_BADARG);
+
+	status = DLADM_STATUS_OK;
+	ret = ioctl(dladm_dld_fd(handle), OVERLAY_IOC_PROPINFO, &info);
+	if (ret != 0)
+		status = dladm_errno2status(errno);
+
+	if (status != DLADM_STATUS_OK)
+		return (status);
+
+	prop.oip_linkid = linkid;
+	prop.oip_id = info.oipi_id;
+	prop.oip_name[0] = '\0';
+	if ((ret = dladm_overlay_parse_prop(info.oipi_type, prop.oip_value,
+	    &prop.oip_size, valp[0])) != DLADM_STATUS_OK)
+		return (ret);
+
+	status = DLADM_STATUS_OK;
+	ret = ioctl(dladm_dld_fd(handle), OVERLAY_IOC_SETPROP, &prop);
+	if (ret != 0)
+		status = dladm_errno2status(errno);
+
+	return (ret);
+}
+
+/*
+ * Tell the user about any unset required properties.
+ */
+static int
+dladm_overlay_activate_cb(dladm_handle_t handle, datalink_id_t linkid,
+    dladm_overlay_propinfo_handle_t phdl, void *arg)
+{
+	dladm_status_t status;
+	uint8_t buf[DLADM_OVERLAY_PROP_SIZEMAX];
+	uint_t prot;
+	size_t size = sizeof (buf);
+	const char *name;
+	dladm_errlist_t *errs = arg;
+
+	if ((status = dladm_overlay_prop_info(phdl, &name, NULL, &prot, NULL,
+	    NULL, NULL)) != DLADM_STATUS_OK)
+		return (status);
+
+	if ((prot & OVERLAY_PROP_PERM_REQ) == 0)
+		return (DLADM_WALK_CONTINUE);
+
+	if (dladm_overlay_get_prop(handle, linkid, phdl, buf, &size) !=
+	    DLADM_STATUS_OK)
+		return (DLADM_WALK_CONTINUE);
+
+	if (size == 0)
+		(void) dladm_errlist_append(errs, "unset required property: %s",
+		    name);
+
+	return (DLADM_WALK_CONTINUE);
+}
+
+/*
+ * We need to clean up the world here. The problem is that we may or may not
+ * actually have everything created. While in the normal case, we'd always have
+ * an overlay device, assigned datalink id, and a varpd instance, we might not
+ * have any of those, except for the datalink instance. Therefore, as long as
+ * the id refers to a valid overlay, we should try to clean up as much of the
+ * state as possible and most importantly, we need to make sure we delete the
+ * datalink id. If we fail to do that, then that name will become lost to time.
+ */
+dladm_status_t
+dladm_overlay_delete(dladm_handle_t handle, datalink_id_t linkid)
+{
+	datalink_class_t class;
+	overlay_ioc_delete_t oid;
+	varpd_client_handle_t *chdl;
+	int ret;
+	uint32_t flags;
+	uint64_t varpdid;
+
+	if (dladm_datalink_id2info(handle, linkid, &flags, &class, NULL,
+	    NULL, 0) != DLADM_STATUS_OK)
+		return (DLADM_STATUS_BADARG);
+
+	if (class != DATALINK_CLASS_OVERLAY)
+		return (DLADM_STATUS_BADARG);
+
+	oid.oid_linkid = linkid;
+	ret = ioctl(dladm_dld_fd(handle), OVERLAY_IOC_DELETE, &oid);
+	if (ret != 0 && errno != ENOENT) {
+		return (dladm_errno2status(errno));
+	}
+
+	if ((ret = libvarpd_c_create(&chdl, dladm_overlay_doorpath)) != 0) {
+		return (dladm_errno2status(ret));
+	}
+
+	if ((ret = libvarpd_c_instance_lookup(chdl, linkid, &varpdid)) != 0) {
+		if (ret == ENOENT) {
+			goto finish;
+		}
+		(void) libvarpd_c_destroy(chdl);
+		return (dladm_errno2status(ret));
+	}
+
+	ret = libvarpd_c_instance_destroy(chdl, varpdid);
+finish:
+	(void) libvarpd_c_destroy(chdl);
+	(void) dladm_destroy_datalink_id(handle, linkid, flags);
+
+	return (dladm_errno2status(ret));
+}
+
+dladm_status_t
+dladm_overlay_get_prop(dladm_handle_t handle, datalink_id_t linkid,
+    dladm_overlay_propinfo_handle_t infohdl, void *buf, size_t *sizep)
+{
+	int ret;
+	overlay_ioc_prop_t oip;
+	dladm_overlay_propinfo_t *infop = (dladm_overlay_propinfo_t *)infohdl;
+
+	/*
+	 * It'd be nice if we had a better or more specific error for this. If
+	 * this kind of error becomes common place, let's get a better dladm
+	 * error.
+	 */
+	if (*sizep < DLADM_OVERLAY_PROP_SIZEMAX)
+		return (dladm_errno2status(ERANGE));
+
+	if (infop->dop_isvarpd == B_FALSE) {
+		bzero(&oip, sizeof (overlay_ioc_prop_t));
+		oip.oip_linkid = linkid;
+		oip.oip_id = infop->dop_un.dop_overlay->oipi_id;
+		ret = ioctl(dladm_dld_fd(handle), OVERLAY_IOC_GETPROP, &oip);
+		if (ret != 0)
+			return (dladm_errno2status(errno));
+		bcopy(oip.oip_value, buf, DLADM_OVERLAY_PROP_SIZEMAX);
+		*sizep = oip.oip_size;
+	} else {
+		uint32_t size = *sizep;
+
+		ret = libvarpd_c_prop_get(infop->dop_un.dop_varpd, buf, &size);
+		if (ret != 0)
+			return (dladm_errno2status(errno));
+		*sizep = size;
+	}
+
+	return (DLADM_STATUS_OK);
+}
+
+static dladm_status_t
+dladm_overlay_walk_varpd_prop(dladm_handle_t handle, datalink_id_t linkid,
+    uint64_t varpdid, dladm_overlay_prop_f func, void *arg)
+{
+	int ret, i;
+	varpd_client_handle_t *chdl;
+	varpd_client_prop_handle_t *phdl;
+	uint_t nprops;
+	dladm_status_t status;
+
+	if ((ret = libvarpd_c_create(&chdl, dladm_overlay_doorpath)) != 0)
+		return (dladm_errno2status(ret));
+
+	if ((ret = libvarpd_c_prop_handle_alloc(chdl, varpdid, &phdl)) != 0) {
+		(void) libvarpd_c_destroy(chdl);
+		return (dladm_errno2status(ret));
+	}
+
+	if ((ret = libvarpd_c_prop_nprops(chdl, varpdid, &nprops)) != 0) {
+		libvarpd_c_prop_handle_free(phdl);
+		(void) libvarpd_c_destroy(chdl);
+		return (dladm_errno2status(ret));
+	}
+
+	status = DLADM_STATUS_OK;
+	for (i = 0; i < nprops; i++) {
+		dladm_overlay_propinfo_t dop;
+
+		bzero(&dop, sizeof (dop));
+		dop.dop_isvarpd = B_TRUE;
+		dop.dop_un.dop_varpd = phdl;
+
+		if ((ret = libvarpd_c_prop_info_fill(phdl, i)) != 0) {
+			status = dladm_errno2status(ret);
+			break;
+		}
+
+		ret = func(handle, linkid,
+		    (dladm_overlay_propinfo_handle_t)&dop, arg);
+		if (ret == DLADM_WALK_TERMINATE)
+			break;
+	}
+
+	libvarpd_c_prop_handle_free(phdl);
+	libvarpd_c_destroy(chdl);
+
+	return (status);
+}
+
+dladm_status_t
+dladm_overlay_walk_prop(dladm_handle_t handle, datalink_id_t linkid,
+    dladm_overlay_prop_f func, void *arg, dladm_errlist_t *errs)
+{
+	int i, ret;
+	datalink_class_t class;
+	overlay_ioc_nprops_t oin;
+	overlay_ioc_propinfo_t oipi;
+	dladm_overlay_propinfo_t dop;
+	uint64_t varpdid = UINT64_MAX;
+
+	if (dladm_datalink_id2info(handle, linkid, NULL, &class, NULL,
+	    NULL, 0) != DLADM_STATUS_OK)
+		return (DLADM_STATUS_BADARG);
+
+	if (class != DATALINK_CLASS_OVERLAY)
+		return (DLADM_STATUS_BADARG);
+
+	bzero(&oin, sizeof (overlay_ioc_nprops_t));
+	oin.oipn_linkid = linkid;
+	ret = ioctl(dladm_dld_fd(handle), OVERLAY_IOC_NPROPS, &oin);
+	if (ret != 0)
+		return (dladm_errno2status(errno));
+
+	for (i = 0; i < oin.oipn_nprops; i++) {
+		bzero(&dop, sizeof (dladm_overlay_propinfo_t));
+		bzero(&oipi, sizeof (overlay_ioc_propinfo_t));
+		oipi.oipi_linkid = linkid;
+		oipi.oipi_id = i;
+		ret = ioctl(dladm_dld_fd(handle), OVERLAY_IOC_PROPINFO, &oipi);
+		if (ret != 0) {
+			(void) dladm_errlist_append(errs, "failed to get "
+			    "propinfo for property %d: %s", i, strerror(errno));
+			return (dladm_errno2status(errno));
+		}
+
+		dop.dop_isvarpd = B_FALSE;
+		dop.dop_un.dop_overlay = &oipi;
+		ret = func(handle, linkid,
+		    (dladm_overlay_propinfo_handle_t)&dop, arg);
+		if (ret == DLADM_WALK_TERMINATE)
+			break;
+
+		if (strcmp(oipi.oipi_name, VARPD_PROPERTY_NAME) == 0) {
+			uint8_t buf[DLADM_OVERLAY_PROP_SIZEMAX];
+			size_t bufsize = sizeof (buf);
+			uint64_t *vp;
+
+			if (dladm_overlay_get_prop(handle, linkid,
+			    (dladm_overlay_propinfo_handle_t)&dop, buf,
+			    &bufsize) != DLADM_STATUS_OK)
+				continue;
+
+			/* LINTED: E_BAD_PTR_CAST_ALIGN */
+			vp = (uint64_t *)buf;
+			varpdid = *vp;
+		}
+	}
+
+	/* Should this really be possible? */
+	if (varpdid == UINT64_MAX)
+		return (DLADM_STATUS_OK);
+
+	return (dladm_overlay_walk_varpd_prop(handle, linkid, varpdid, func,
+	    arg));
+}
+
+dladm_status_t
+dladm_overlay_create(dladm_handle_t handle, const char *name,
+    const char *encap, const char *search, uint64_t vid,
+    dladm_arg_list_t *props, dladm_errlist_t *errs, uint32_t flags)
+{
+	int ret, i;
+	dladm_status_t status;
+	datalink_id_t linkid;
+	overlay_ioc_create_t oic;
+	overlay_ioc_activate_t oia;
+	size_t slen;
+	varpd_client_handle_t *vch;
+	uint64_t id;
+
+	status = dladm_create_datalink_id(handle, name, DATALINK_CLASS_OVERLAY,
+	    DL_ETHER, flags, &linkid);
+	if (status != DLADM_STATUS_OK)
+		return (status);
+
+	bzero(&oic, sizeof (oic));
+	oic.oic_linkid = linkid;
+	oic.oic_vnetid = vid;
+	(void) strlcpy(oic.oic_encap, encap, MAXLINKNAMELEN);
+
+	status = DLADM_STATUS_OK;
+	ret = ioctl(dladm_dld_fd(handle), OVERLAY_IOC_CREATE, &oic);
+	if (ret != 0) {
+		/*
+		 * It'd be nice if we had private errors so we could better
+		 * distinguish between different classes of errors.
+		 */
+		status = dladm_errno2status(errno);
+	}
+
+	if (status != DLADM_STATUS_OK) {
+		(void) dladm_destroy_datalink_id(handle, linkid, flags);
+		return (status);
+	}
+
+	slen = strlen(search);
+	for (i = 0; props != NULL && i < props->al_count; i++) {
+		dladm_arg_info_t	*aip = &props->al_info[i];
+
+		/*
+		 * If it's a property for the search plugin, eg. it has the
+		 * prefix '<search>/', then we don't set the property on the
+		 * overlay device and instead set it on the varpd instance.
+		 */
+		if (strncmp(aip->ai_name, search, slen) == 0 &&
+		    aip->ai_name[slen] == '/')
+			continue;
+		status = dladm_overlay_setprop(handle, linkid, aip->ai_name,
+		    aip->ai_val, aip->ai_count);
+		if (status != DLADM_STATUS_OK) {
+			(void) dladm_errlist_append(errs,
+			    "failed to set property %s",
+			    aip->ai_name);
+			(void) dladm_overlay_delete(handle, linkid);
+			return (status);
+		}
+	}
+
+	if ((ret = libvarpd_c_create(&vch, dladm_overlay_doorpath)) != 0) {
+		(void) dladm_errlist_append(errs,
+		    "failed to create libvarpd handle: %s", strerror(ret));
+		(void) dladm_overlay_delete(handle, linkid);
+		return (dladm_errno2status(ret));
+	}
+
+	if ((ret = libvarpd_c_instance_create(vch, linkid, search,
+	    &id)) != 0) {
+		(void) dladm_errlist_append(errs,
+		    "failed to create varpd instance: %s", strerror(ret));
+		libvarpd_c_destroy(vch);
+		(void) dladm_overlay_delete(handle, linkid);
+		return (dladm_errno2status(ret));
+	}
+
+	for (i = 0; props != NULL && i < props->al_count; i++) {
+		dladm_arg_info_t	*aip = &props->al_info[i];
+
+		/*
+		 * Skip arguments we've processed already.
+		 */
+		if (strncmp(aip->ai_name, search, slen) != 0)
+			continue;
+
+		if (aip->ai_name[slen] != '/')
+			continue;
+
+		ret = dladm_overlay_varpd_setprop(handle, vch, id, aip->ai_name,
+		    aip->ai_val, aip->ai_count);
+		if (ret != 0) {
+			(void) dladm_errlist_append(errs,
+			    "failed to set varpd prop: %s\n",
+			    aip->ai_name);
+			(void) libvarpd_c_instance_destroy(vch, id);
+			libvarpd_c_destroy(vch);
+			(void) dladm_overlay_delete(handle, linkid);
+			return (dladm_errno2status(ret));
+		}
+	}
+
+	if ((ret = libvarpd_c_instance_activate(vch, id)) != 0) {
+		(void) dladm_errlist_append(errs,
+		    "failed to activate varpd instance: %s", strerror(ret));
+		(void) dladm_overlay_walk_varpd_prop(handle, linkid, id,
+		    dladm_overlay_activate_cb, errs);
+		(void) libvarpd_c_instance_destroy(vch, id);
+		libvarpd_c_destroy(vch);
+		(void) dladm_overlay_delete(handle, linkid);
+		return (dladm_errno2status(ret));
+
+	}
+
+	bzero(&oia, sizeof (oia));
+	oia.oia_linkid = linkid;
+	status = DLADM_STATUS_OK;
+	ret = ioctl(dladm_dld_fd(handle), OVERLAY_IOC_ACTIVATE, &oia);
+	if (ret != 0) {
+		ret = errno;
+		(void) dladm_errlist_append(errs, "failed to activate "
+		    "device: %s", strerror(ret));
+		(void) libvarpd_c_instance_destroy(vch, id);
+		(void) dladm_overlay_walk_prop(handle, linkid,
+		    dladm_overlay_activate_cb, errs, errs);
+		status = dladm_errno2status(ret);
+		(void) libvarpd_c_instance_destroy(vch, id);
+	}
+
+	libvarpd_c_destroy(vch);
+	if (status != DLADM_STATUS_OK)
+		(void) dladm_overlay_delete(handle, linkid);
+
+	return (status);
+}
+
+
+
+typedef struct overlay_walk_cb {
+	dladm_handle_t		owc_handle;
+	datalink_id_t		owc_linkid;
+	void			*owc_arg;
+	dladm_overlay_cache_f	owc_func;
+	uint_t			owc_mode;
+	uint_t			owc_dest;
+} overlay_walk_cb_t;
+
+/* ARGSUSED */
+static int
+dladm_overlay_walk_cache_cb(varpd_client_handle_t *chdl, uint64_t varpdid,
+    const struct ether_addr *key, const varpd_client_cache_entry_t *entry,
+    void *arg)
+{
+	overlay_walk_cb_t *owc = arg;
+	dladm_overlay_point_t point;
+
+	bzero(&point, sizeof (dladm_overlay_point_t));
+	point.dop_dest = owc->owc_dest;
+	point.dop_mac = entry->vcp_mac;
+	point.dop_flags = entry->vcp_flags;
+	point.dop_ip = entry->vcp_ip;
+	point.dop_port = entry->vcp_port;
+
+	if (owc->owc_mode == OVERLAY_TARGET_POINT)
+		point.dop_flags |= DLADM_OVERLAY_F_DEFAULT;
+
+	if (owc->owc_func(owc->owc_handle, owc->owc_linkid, key, &point,
+	    owc->owc_arg) == DLADM_WALK_TERMINATE)
+		return (1);
+	return (0);
+}
+
+dladm_status_t
+dladm_overlay_walk_cache(dladm_handle_t handle, datalink_id_t linkid,
+    dladm_overlay_cache_f func, void *arg)
+{
+	int ret;
+	uint_t mode, dest;
+	uint64_t varpdid;
+	varpd_client_handle_t *chdl;
+	overlay_walk_cb_t cbarg;
+
+	if ((ret = libvarpd_c_create(&chdl, dladm_overlay_doorpath)) != 0)
+		return (dladm_errno2status(ret));
+
+	if ((ret = libvarpd_c_instance_lookup(chdl, linkid, &varpdid)) != 0) {
+		libvarpd_c_destroy(chdl);
+		return (dladm_errno2status(ret));
+	}
+
+	if ((ret = libvarpd_c_instance_target_mode(chdl, varpdid,
+	    &dest, &mode)) != 0) {
+		libvarpd_c_destroy(chdl);
+		return (dladm_errno2status(ret));
+	}
+
+	cbarg.owc_handle = handle;
+	cbarg.owc_linkid = linkid;
+	cbarg.owc_arg = arg;
+	cbarg.owc_func = func;
+	cbarg.owc_dest = dest;
+	cbarg.owc_mode = mode;
+	ret = libvarpd_c_instance_cache_walk(chdl, varpdid,
+	    dladm_overlay_walk_cache_cb, &cbarg);
+	libvarpd_c_destroy(chdl);
+
+	return (dladm_errno2status(ret));
+}
+
+/* ARGSUSED */
+dladm_status_t
+dladm_overlay_cache_flush(dladm_handle_t handle, datalink_id_t linkid)
+{
+	int ret;
+	uint64_t varpdid;
+	varpd_client_handle_t *chdl;
+
+	if ((ret = libvarpd_c_create(&chdl, dladm_overlay_doorpath)) != 0)
+		return (dladm_errno2status(ret));
+
+	if ((ret = libvarpd_c_instance_lookup(chdl, linkid, &varpdid)) != 0) {
+		libvarpd_c_destroy(chdl);
+		return (dladm_errno2status(ret));
+	}
+
+	ret = libvarpd_c_instance_cache_flush(chdl, varpdid);
+	libvarpd_c_destroy(chdl);
+
+	return (dladm_errno2status(ret));
+}
+
+/* ARGSUSED */
+dladm_status_t
+dladm_overlay_cache_delete(dladm_handle_t handle, datalink_id_t linkid,
+    const struct ether_addr *key)
+{
+	int ret;
+	uint64_t varpdid;
+	varpd_client_handle_t *chdl;
+
+	if ((ret = libvarpd_c_create(&chdl, dladm_overlay_doorpath)) != 0)
+		return (dladm_errno2status(ret));
+
+	if ((ret = libvarpd_c_instance_lookup(chdl, linkid, &varpdid)) != 0) {
+		libvarpd_c_destroy(chdl);
+		return (dladm_errno2status(ret));
+	}
+
+	ret = libvarpd_c_instance_cache_delete(chdl, varpdid, key);
+	libvarpd_c_destroy(chdl);
+
+	return (dladm_errno2status(ret));
+}
+
+/* ARGSUSED */
+dladm_status_t
+dladm_overlay_cache_set(dladm_handle_t handle, datalink_id_t linkid,
+    const struct ether_addr *key, char *val)
+{
+	int ret;
+	uint_t dest;
+	uint64_t varpdid;
+	char *ip, *port = NULL;
+	varpd_client_handle_t *chdl;
+	varpd_client_cache_entry_t vcp;
+
+
+	if ((ret = libvarpd_c_create(&chdl, dladm_overlay_doorpath)) != 0)
+		return (dladm_errno2status(ret));
+
+	if ((ret = libvarpd_c_instance_lookup(chdl, linkid, &varpdid)) != 0) {
+		libvarpd_c_destroy(chdl);
+		return (dladm_errno2status(ret));
+	}
+
+	if ((ret = libvarpd_c_instance_target_mode(chdl, varpdid,
+	    &dest, NULL)) != 0) {
+		libvarpd_c_destroy(chdl);
+		return (dladm_errno2status(ret));
+	}
+
+	/*
+	 * Mode tells us what we should expect in val. It we have more than one
+	 * thing listed, the canonical format of it right now is mac,ip:port.
+	 */
+	bzero(&vcp, sizeof (varpd_client_cache_entry_t));
+
+	if (strcasecmp(val, "drop") == 0) {
+		vcp.vcp_flags = OVERLAY_TARGET_CACHE_DROP;
+		goto send;
+	}
+
+	if (dest & OVERLAY_PLUGIN_D_ETHERNET) {
+		if (ether_aton_r(val, &vcp.vcp_mac) == NULL) {
+			libvarpd_c_destroy(chdl);
+			return (dladm_errno2status(EINVAL));
+		}
+	}
+
+	if (dest & OVERLAY_PLUGIN_D_IP) {
+		if (dest & OVERLAY_PLUGIN_D_ETHERNET) {
+			if ((ip = strchr(val, ',')) == NULL) {
+				libvarpd_c_destroy(chdl);
+				return (dladm_errno2status(ret));
+			}
+			ip++;
+		} else {
+			ip = val;
+		}
+
+		if (dest & OVERLAY_PLUGIN_D_PORT) {
+			if ((port = strchr(val, ':')) == NULL) {
+				libvarpd_c_destroy(chdl);
+				return (dladm_errno2status(ret));
+			}
+			*port = '\0';
+			port++;
+		}
+
+		/* Try v6, then fall back to v4 */
+		ret = inet_pton(AF_INET6, ip, &vcp.vcp_ip);
+		if (ret == -1)
+			abort();
+		if (ret == 0) {
+			struct in_addr v4;
+
+			ret = inet_pton(AF_INET, ip, &v4);
+			if (ret == -1)
+				abort();
+			if (ret == 0) {
+				libvarpd_c_destroy(chdl);
+				return (dladm_errno2status(ret));
+			}
+			IN6_INADDR_TO_V4MAPPED(&v4, &vcp.vcp_ip);
+		}
+	}
+
+	if (dest & OVERLAY_PLUGIN_D_PORT) {
+		char *eptr;
+		unsigned long l;
+		if (port == NULL && (dest & OVERLAY_PLUGIN_D_ETHERNET)) {
+			if ((port = strchr(val, ',')) == NULL) {
+				libvarpd_c_destroy(chdl);
+				return (dladm_errno2status(EINVAL));
+			}
+		} else if (port == NULL)
+			port = val;
+
+		errno = 0;
+		l = strtoul(port, &eptr, 10);
+		if (errno != 0 || *eptr != '\0') {
+			libvarpd_c_destroy(chdl);
+			return (dladm_errno2status(EINVAL));
+		}
+		if (l == 0 || l > UINT16_MAX) {
+			libvarpd_c_destroy(chdl);
+			return (dladm_errno2status(EINVAL));
+		}
+		vcp.vcp_port = l;
+	}
+
+send:
+	ret = libvarpd_c_instance_cache_set(chdl, varpdid, key, &vcp);
+
+	libvarpd_c_destroy(chdl);
+	return (dladm_errno2status(ret));
+}
+
+/* ARGSUSED */
+dladm_status_t
+dladm_overlay_cache_get(dladm_handle_t handle, datalink_id_t linkid,
+    const struct ether_addr *key, dladm_overlay_point_t *point)
+{
+	int ret;
+	uint_t dest, mode;
+	uint64_t varpdid;
+	varpd_client_handle_t *chdl;
+	varpd_client_cache_entry_t entry;
+
+	if ((ret = libvarpd_c_create(&chdl, dladm_overlay_doorpath)) != 0)
+		return (dladm_errno2status(ret));
+
+	if ((ret = libvarpd_c_instance_lookup(chdl, linkid, &varpdid)) != 0) {
+		libvarpd_c_destroy(chdl);
+		return (dladm_errno2status(ret));
+	}
+
+	if ((ret = libvarpd_c_instance_target_mode(chdl, varpdid,
+	    &dest, &mode)) != 0) {
+		libvarpd_c_destroy(chdl);
+		return (dladm_errno2status(ret));
+	}
+
+	ret = libvarpd_c_instance_cache_get(chdl, varpdid, key, &entry);
+	if (ret == 0) {
+		point->dop_dest = dest;
+		point->dop_mac = entry.vcp_mac;
+		point->dop_flags = entry.vcp_flags;
+		point->dop_ip = entry.vcp_ip;
+		point->dop_port = entry.vcp_port;
+		if (mode == OVERLAY_TARGET_POINT)
+			point->dop_flags |= DLADM_OVERLAY_F_DEFAULT;
+	}
+
+	libvarpd_c_destroy(chdl);
+	return (dladm_errno2status(ret));
+}
+
+dladm_status_t
+dladm_overlay_status(dladm_handle_t handle, datalink_id_t linkid,
+    dladm_overlay_status_f func, void *arg)
+{
+	int ret;
+	dladm_status_t status;
+	overlay_ioc_status_t ois;
+	dladm_overlay_status_t dos;
+
+	ois.ois_linkid = linkid;
+	status = DLADM_STATUS_OK;
+	ret = ioctl(dladm_dld_fd(handle), OVERLAY_IOC_STATUS, &ois);
+	if (ret != 0)
+		status = dladm_errno2status(errno);
+	if (status != DLADM_STATUS_OK)
+		return (status);
+
+	dos.dos_degraded = ois.ois_status == OVERLAY_I_DEGRADED ? B_TRUE :
+	    B_FALSE;
+	(void) strlcpy(dos.dos_fmamsg, ois.ois_message,
+	    sizeof (dos.dos_fmamsg));
+	func(handle, linkid, &dos, arg);
+	return (DLADM_STATUS_OK);
+}
diff --git a/usr/src/lib/libdladm/common/libdloverlay.h b/usr/src/lib/libdladm/common/libdloverlay.h
new file mode 100644
index 0000000000..39b01ccae3
--- /dev/null
+++ b/usr/src/lib/libdladm/common/libdloverlay.h
@@ -0,0 +1,107 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.
+ */
+
+#ifndef _LIBDLOVERLAY_H
+#define	_LIBDLOVERLAY_H
+
+/*
+ * libdladm Overlay device routines
+ */
+
+#include <libdladm.h>
+#include <libdladm_impl.h>
+#include <sys/overlay.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define	DLADM_OVERLAY_F_DROP	0x0001
+#define	DLADM_OVERLAY_F_DEFAULT	0xf000
+
+typedef struct dladm_overlay_point {
+	uint_t			dop_dest;
+	struct ether_addr	dop_mac;
+	uint16_t		dop_flags;
+	struct in6_addr		dop_ip;
+	uint16_t		dop_port;
+} dladm_overlay_point_t;
+
+typedef struct dladm_overlay_status {
+	boolean_t	dos_degraded;
+	char		dos_fmamsg[256];
+} dladm_overlay_status_t;
+
+extern dladm_status_t dladm_overlay_create(dladm_handle_t, const char *,
+    const char *, const char *, uint64_t, dladm_arg_list_t *, dladm_errlist_t *,
+    uint32_t);
+extern dladm_status_t dladm_overlay_delete(dladm_handle_t, datalink_id_t);
+
+typedef void (*dladm_overlay_status_f)(dladm_handle_t, datalink_id_t,
+    dladm_overlay_status_t *, void *);
+extern dladm_status_t dladm_overlay_status(dladm_handle_t, datalink_id_t,
+    dladm_overlay_status_f, void *);
+
+extern dladm_status_t dladm_overlay_cache_flush(dladm_handle_t, datalink_id_t);
+extern dladm_status_t dladm_overlay_cache_delete(dladm_handle_t, datalink_id_t,
+    const struct ether_addr *);
+extern dladm_status_t dladm_overlay_cache_set(dladm_handle_t, datalink_id_t,
+    const struct ether_addr *, char *);
+extern dladm_status_t dladm_overlay_cache_get(dladm_handle_t, datalink_id_t,
+    const struct ether_addr *, dladm_overlay_point_t *);
+
+#define	DLADM_OVERLAY_PROP_SIZEMAX	256
+#define	DLADM_OVERLAY_PROP_NAMELEN	32
+
+typedef struct __dladm_overlay_propinfo *dladm_overlay_propinfo_handle_t;
+
+extern dladm_status_t dladm_overlay_prop_info(dladm_overlay_propinfo_handle_t,
+    const char **, uint_t *, uint_t *, const void **, uint32_t *,
+    const mac_propval_range_t **);
+extern dladm_status_t dladm_overlay_get_prop(dladm_handle_t, datalink_id_t,
+    dladm_overlay_propinfo_handle_t, void *buf, size_t *bufsize);
+
+typedef int (*dladm_overlay_prop_f)(dladm_handle_t, datalink_id_t,
+    dladm_overlay_propinfo_handle_t, void *);
+extern dladm_status_t dladm_overlay_walk_prop(dladm_handle_t, datalink_id_t,
+    dladm_overlay_prop_f, void *arg, dladm_errlist_t *);
+
+typedef int (*dladm_overlay_cache_f)(dladm_handle_t, datalink_id_t,
+    const struct ether_addr *, const dladm_overlay_point_t *, void *);
+extern dladm_status_t dladm_overlay_walk_cache(dladm_handle_t, datalink_id_t,
+    dladm_overlay_cache_f, void *);
+
+/*
+ * Some day we'll want to support being able to set properties after creation.
+ * If we do, the following strawman API might serve us well.
+ *
+ * extern dladm_status_t dladm_overlay_prop_lookup(dladm_handle_t,
+ *     datalink_id_t, const char *, dladm_overlay_propinfo_handle_t *);
+ * extern void dladm_overlay_prop_handle_free(dladm_handle_t, datalink_id_t,
+ *     dladm_overlay_propinfo_handle_t *);
+ * extern dladm_status_t dladm_overlay_set_prop(dladm_handle_t, datalink_id_t,
+ *     dladm_propinfo_handle_t, void *buf, size_t *bufsize);
+ * extern dladm_status_t dladm_overlay_str_to_buf(dladm_handle_t, datalink_id_t,
+ *     dladm_overlay_propinfo_handle_t *, const char *, void *, size_t *);
+ * extern dladm_status_t dladm_overlay_buf_to_str(dladm_handle_t, datalink_id_t,
+ *     dladm_overlay_propinfo_handle_t *, const void *, const size_t, char *,
+ *     size_t *);
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBDLOVERLAY_H */
diff --git a/usr/src/lib/libdladm/common/libdlvlan.c b/usr/src/lib/libdladm/common/libdlvlan.c
index 943728dc03..34c1e6682d 100644
--- a/usr/src/lib/libdladm/common/libdlvlan.c
+++ b/usr/src/lib/libdladm/common/libdlvlan.c
@@ -64,7 +64,7 @@ dladm_vlan_create(dladm_handle_t handle, const char *vlan, datalink_id_t linkid,
 {
 	return (dladm_vnic_create(handle, vlan, linkid,
 	    VNIC_MAC_ADDR_TYPE_PRIMARY, NULL, 0, NULL, 0, vid, VRRP_VRID_NONE,
-	    AF_UNSPEC, vlan_id_out, proplist, flags | DLADM_OPT_VLAN));
+	    AF_UNSPEC, vlan_id_out, proplist, NULL, flags | DLADM_OPT_VLAN));
 }
 
 /*
diff --git a/usr/src/lib/libdladm/common/libdlvnic.c b/usr/src/lib/libdladm/common/libdlvnic.c
index 44f8bb2726..189b848f8e 100644
--- a/usr/src/lib/libdladm/common/libdlvnic.c
+++ b/usr/src/lib/libdladm/common/libdlvnic.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent Inc.
  */
 
 #include <stdio.h>
@@ -399,7 +400,7 @@ dladm_vnic_create(dladm_handle_t handle, const char *vnic, datalink_id_t linkid,
     vnic_mac_addr_type_t mac_addr_type, uchar_t *mac_addr, uint_t mac_len,
     int *mac_slot, uint_t mac_prefix_len, uint16_t vid, vrid_t vrid,
     int af, datalink_id_t *vnic_id_out, dladm_arg_list_t *proplist,
-    uint32_t flags)
+    dladm_errlist_t *errs, uint32_t flags)
 {
 	dladm_vnic_attr_t attr;
 	datalink_id_t vnic_id;
@@ -539,27 +540,41 @@ dladm_vnic_create(dladm_handle_t handle, const char *vnic, datalink_id_t linkid,
 	vnic_created = B_TRUE;
 
 	/* Save vnic configuration and its properties */
-	if (!(flags & DLADM_OPT_PERSIST))
-		goto done;
+	if (flags & DLADM_OPT_PERSIST) {
+		status = dladm_vnic_persist_conf(handle, name, &attr, class);
+		if (status == DLADM_STATUS_OK)
+			conf_set = B_TRUE;
+	}
 
-	status = dladm_vnic_persist_conf(handle, name, &attr, class);
-	if (status != DLADM_STATUS_OK)
-		goto done;
-	conf_set = B_TRUE;
+done:
+	if (status == DLADM_STATUS_OK && proplist != NULL) {
+		uint32_t flg;
+
+		flg = (flags & DLADM_OPT_PERSIST) ?
+		    DLADM_OPT_PERSIST : DLADM_OPT_ACTIVE;
 
-	if (proplist != NULL) {
 		for (i = 0; i < proplist->al_count; i++) {
 			dladm_arg_info_t	*aip = &proplist->al_info[i];
 
+			if (strcmp(aip->ai_name, "zone") == 0 &&
+			    flags & DLADM_OPT_TRANSIENT)
+				flg |= DLADM_OPT_TRANSIENT;
+			else
+				flg &= ~DLADM_OPT_TRANSIENT;
+
 			status = dladm_set_linkprop(handle, vnic_id,
-			    aip->ai_name, aip->ai_val, aip->ai_count,
-			    DLADM_OPT_PERSIST);
-			if (status != DLADM_STATUS_OK)
+			    aip->ai_name, aip->ai_val, aip->ai_count, flg);
+			if (status != DLADM_STATUS_OK) {
+				char	errmsg[DLADM_STRSIZE];
+				(void) dladm_errlist_append(errs,
+				    "failed to set property %s: %s",
+				    aip->ai_name,
+				    dladm_status2str(status, errmsg));
 				break;
+			}
 		}
 	}
 
-done:
 	if (status != DLADM_STATUS_OK) {
 		if (conf_set)
 			(void) dladm_remove_conf(handle, vnic_id);
diff --git a/usr/src/lib/libdladm/common/libdlvnic.h b/usr/src/lib/libdladm/common/libdlvnic.h
index 94b656aadf..839b2de9f2 100644
--- a/usr/src/lib/libdladm/common/libdlvnic.h
+++ b/usr/src/lib/libdladm/common/libdlvnic.h
@@ -55,7 +55,8 @@ typedef struct dladm_vnic_attr {
 extern dladm_status_t	dladm_vnic_create(dladm_handle_t, const char *,
 			    datalink_id_t, vnic_mac_addr_type_t, uchar_t *,
 			    uint_t, int *, uint_t, uint16_t, vrid_t, int,
-			    datalink_id_t *, dladm_arg_list_t *, uint32_t);
+			    datalink_id_t *, dladm_arg_list_t *,
+			    dladm_errlist_t *, uint32_t);
 
 extern dladm_status_t	dladm_vnic_delete(dladm_handle_t, datalink_id_t,
 			    uint32_t);
diff --git a/usr/src/lib/libdladm/common/linkprop.c b/usr/src/lib/libdladm/common/linkprop.c
index c3eea9a7f1..8d43e2d6b9 100644
--- a/usr/src/lib/libdladm/common/linkprop.c
+++ b/usr/src/lib/libdladm/common/linkprop.c
@@ -153,11 +153,13 @@ static pd_getf_t	get_zone, get_autopush, get_rate_mod, get_rate,
 			get_bridge_pvid, get_protection, get_rxrings,
 			get_txrings, get_cntavail, get_secondary_macs,
 			get_allowedips, get_allowedcids, get_pool,
-			get_rings_range, get_linkmode_prop;
+			get_rings_range, get_linkmode_prop,
+			get_promisc_filtered;
 
 static pd_setf_t	set_zone, set_rate, set_powermode, set_radio,
 			set_public_prop, set_resource, set_stp_prop,
-			set_bridge_forward, set_bridge_pvid, set_secondary_macs;
+			set_bridge_forward, set_bridge_pvid, set_secondary_macs,
+			set_promisc_filtered;
 
 static pd_checkf_t	check_zone, check_autopush, check_rate, check_hoplimit,
 			check_encaplim, check_uint32, check_maxbw, check_cpus,
@@ -365,6 +367,8 @@ static link_attr_t link_attr[] = {
 
 	{ MAC_PROP_IB_LINKMODE,	sizeof (uint32_t),	"linkmode"},
 
+	{ MAC_PROP_VN_PROMISC_FILTERED,	sizeof (boolean_t), "promisc-filtered"},
+
 	{ MAC_PROP_SECONDARY_ADDRS, sizeof (mac_secondary_addr_t),
 	    "secondary-macs"},
 
@@ -422,6 +426,11 @@ static  val_desc_t	link_protect_vals[] = {
 	{ "dhcp-nospoof",	MPT_DHCPNOSPOOF	},
 };
 
+static  val_desc_t	link_promisc_filtered_vals[] = {
+	{ "off",	B_FALSE },
+	{ "on",		B_TRUE },
+};
+
 static val_desc_t	dladm_wlan_radio_vals[] = {
 	{ "on",		DLADM_WLAN_RADIO_ON	},
 	{ "off",	DLADM_WLAN_RADIO_OFF	}
@@ -698,6 +707,12 @@ static prop_desc_t	prop_table[] = {
 	    set_resource, NULL, get_protection, check_prop, 0,
 	    DATALINK_CLASS_ALL, DATALINK_ANY_MEDIATYPE },
 
+	{ "promisc-filtered", { "on", 1 },
+	    link_promisc_filtered_vals, VALCNT(link_promisc_filtered_vals),
+	    set_promisc_filtered, NULL, get_promisc_filtered, check_prop, 0,
+	    DATALINK_CLASS_VNIC, DATALINK_ANY_MEDIATYPE },
+
+
 	{ "allowed-ips", { "--", 0 },
 	    NULL, 0, set_resource, NULL,
 	    get_allowedips, check_allowedips, PD_CHECK_ALLOC,
@@ -1529,6 +1544,9 @@ set_zone(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
 	if (zid_new == zid_old)
 		return (DLADM_STATUS_OK);
 
+	if (flags & DLADM_OPT_TRANSIENT)
+		dzp->diz_transient = B_TRUE;
+
 	if ((status = set_public_prop(handle, pdp, linkid, vdp, val_cnt,
 	    flags, media)) != DLADM_STATUS_OK)
 		return (status);
@@ -4770,3 +4788,50 @@ get_linkmode_prop(dladm_handle_t handle, prop_desc_t *pdp,
 	*val_cnt = 1;
 	return (DLADM_STATUS_OK);
 }
+
+/*ARGSUSED*/
+static dladm_status_t
+get_promisc_filtered(dladm_handle_t handle, prop_desc_t *pdp,
+    datalink_id_t linkid, char **prop_val, uint_t *val_cnt,
+    datalink_media_t media, uint_t flags, uint_t *perm_flags)
+{
+	char			*s;
+	dladm_status_t		status;
+	boolean_t		filt;
+
+	status = i_dladm_get_public_prop(handle, linkid, pdp->pd_name, flags,
+	    perm_flags, &filt, sizeof (filt));
+	if (status != DLADM_STATUS_OK)
+		return (status);
+
+	if (filt != 0)
+		s = link_promisc_filtered_vals[1].vd_name;
+	else
+		s = link_promisc_filtered_vals[0].vd_name;
+	(void) snprintf(prop_val[0], DLADM_STRSIZE, "%s", s);
+
+	*val_cnt = 1;
+	return (DLADM_STATUS_OK);
+}
+
+/* ARGSUSED */
+static dladm_status_t
+set_promisc_filtered(dladm_handle_t handle, prop_desc_t *pdp,
+    datalink_id_t linkid, val_desc_t *vdp, uint_t val_cnt, uint_t flags,
+    datalink_media_t media)
+{
+	dld_ioc_macprop_t	*dip;
+	dladm_status_t		status = DLADM_STATUS_OK;
+
+	dip = i_dladm_buf_alloc_by_name(0, linkid, pdp->pd_name,
+	    0, &status);
+
+	if (dip == NULL)
+		return (status);
+
+	(void) memcpy(dip->pr_val, &vdp->vd_val, dip->pr_valsize);
+	status = i_dladm_macprop(handle, dip, B_TRUE);
+
+	free(dip);
+	return (status);
+}
diff --git a/usr/src/lib/libdladm/common/llib-ldladm b/usr/src/lib/libdladm/common/llib-ldladm
index 8e5eac0614..e5366fb92d 100644
--- a/usr/src/lib/libdladm/common/llib-ldladm
+++ b/usr/src/lib/libdladm/common/llib-ldladm
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 /*LINTLIBRARY*/
@@ -38,3 +39,4 @@
 #include <libdlether.h>
 #include <libdlsim.h>
 #include <libdlbridge.h>
+#include <libdloverlay.h>
diff --git a/usr/src/lib/libdladm/common/mapfile-vers b/usr/src/lib/libdladm/common/mapfile-vers
index b781c93aff..f2847cab55 100644
--- a/usr/src/lib/libdladm/common/mapfile-vers
+++ b/usr/src/lib/libdladm/common/mapfile-vers
@@ -20,6 +20,7 @@
 #
 #
 # Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2015 Joyent, Inc.
 #
 
 #
@@ -134,6 +135,7 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	dladm_remap_datalink_id;
 	dladm_up_datalink_id;
 	dladm_name2info;
+	dladm_zname2info;
 	dladm_datalink_id2info;
 	dladm_walk_datalink_id;
 	dladm_create_conf;
@@ -270,6 +272,23 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	dladm_strs2range;
 	dladm_range2list;
 	dladm_list2range;
+
+	dladm_errlist_init;
+	dladm_errlist_reset;
+	dladm_errlist_append;
+
+	dladm_overlay_create;
+	dladm_overlay_delete;
+	dladm_overlay_status;
+	dladm_overlay_prop_info;
+	dladm_overlay_get_prop;
+	dladm_overlay_walk_prop;
+
+	dladm_overlay_cache_set;
+	dladm_overlay_cache_get;
+	dladm_overlay_cache_delete;
+	dladm_overlay_cache_flush;
+	dladm_overlay_walk_cache;
     local:
 	*;
 };
diff --git a/usr/src/lib/libdlpi/common/libdlpi.c b/usr/src/lib/libdlpi/common/libdlpi.c
index 1a639a5db9..aa97afee04 100644
--- a/usr/src/lib/libdlpi/common/libdlpi.c
+++ b/usr/src/lib/libdlpi/common/libdlpi.c
@@ -22,6 +22,9 @@
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
+/*
+ * Copyright (c) 2014, Joyent, Inc.
+ */
 
 /*
  * Data-Link Provider Interface (Version 2)
@@ -51,7 +54,7 @@
 
 #include "libdlpi_impl.h"
 
-static int i_dlpi_open(const char *, int *, uint_t, boolean_t);
+static int i_dlpi_open(const char *, const char *, int *, uint_t, boolean_t);
 static int i_dlpi_style1_open(dlpi_impl_t *);
 static int i_dlpi_style2_open(dlpi_impl_t *);
 static int i_dlpi_checkstyle(dlpi_impl_t *, t_uscalar_t);
@@ -130,7 +133,8 @@ dlpi_walk(dlpi_walkfunc_t *fn, void *arg, uint_t flags)
 }
 
 int
-dlpi_open(const char *linkname, dlpi_handle_t *dhp, uint_t flags)
+dlpi_open_zone(const char *linkname, const char *zonename, dlpi_handle_t *dhp,
+    uint_t flags)
 {
 	int		retval, on = 1;
 	ifspec_t	ifsp;
@@ -164,6 +168,16 @@ dlpi_open(const char *linkname, dlpi_handle_t *dhp, uint_t flags)
 	if (getenv("DLPI_DEVONLY") != NULL)
 		dip->dli_oflags |= DLPI_DEVONLY;
 
+	if (zonename == NULL) {
+		dip->dli_zonename[0] = '\0';
+	} else {
+		if (strlcpy(dip->dli_zonename, zonename,
+		    sizeof (dip->dli_zonename)) >= sizeof (dip->dli_zonename)) {
+			free(dip);
+			return (DLPI_EZONENAMEINVAL);
+		}
+	}
+
 	/* Copy linkname provided to the function. */
 	if (strlcpy(dip->dli_linkname, linkname, sizeof (dip->dli_linkname)) >=
 	    sizeof (dip->dli_linkname)) {
@@ -237,6 +251,12 @@ dlpi_open(const char *linkname, dlpi_handle_t *dhp, uint_t flags)
 	return (DLPI_SUCCESS);
 }
 
+int
+dlpi_open(const char *linkname, dlpi_handle_t *dhp, uint_t flags)
+{
+	return (dlpi_open_zone(linkname, NULL, dhp, flags));
+}
+
 void
 dlpi_close(dlpi_handle_t dh)
 {
@@ -1013,6 +1033,15 @@ dlpi_iftype(uint_t dlpitype)
  *	/dev		- if DLPI_DEVONLY is specified, or if there is no
  *			  data-link with the specified name (could be /dev/ip)
  *
+ * If a zone's name has been specified, eg. via dlpi_open_zone, then we instead
+ * will check in:
+ *
+ * 	/dev/ipnet/zone/%z/	- if DLPI_DEVIPNET is specified
+ * 	/dev/net/zone/%z/	- if a data-link with the specified name exists.
+ *
+ * When a zone name is specified, all of the fallback procedures that we opt for
+ * in the normal case are not used.
+ *
  * In particular, if DLPI_DEVIPNET is not specified, this function is used to
  * open a data-link node, or "/dev/ip" node. It is usually be called firstly
  * with style1 being B_TRUE, and if that fails and the return value is not
@@ -1040,7 +1069,8 @@ dlpi_iftype(uint_t dlpitype)
  * the second style-2 open attempt.
  */
 static int
-i_dlpi_open(const char *provider, int *fd, uint_t flags, boolean_t style1)
+i_dlpi_open(const char *provider, const char *zonename, int *fd, uint_t flags,
+    boolean_t style1)
 {
 	char		path[MAXPATHLEN];
 	int		oflags;
@@ -1051,7 +1081,13 @@ i_dlpi_open(const char *provider, int *fd, uint_t flags, boolean_t style1)
 		oflags |= O_EXCL;
 
 	if (flags & DLPI_DEVIPNET) {
-		(void) snprintf(path, sizeof (path), "/dev/ipnet/%s", provider);
+		if (*zonename != '\0') {
+			(void) snprintf(path, sizeof (path),
+			    "/dev/ipnet/zone/%s/%s", zonename, provider);
+		} else {
+			(void) snprintf(path, sizeof (path), "/dev/ipnet/%s",
+			    provider);
+		}
 		if ((*fd = open(path, oflags)) != -1)
 			return (DLPI_SUCCESS);
 		else
@@ -1070,7 +1106,13 @@ i_dlpi_open(const char *provider, int *fd, uint_t flags, boolean_t style1)
 		if (dlpi_parselink(provider, driver, &ppa) != DLPI_SUCCESS)
 			goto fallback;
 
-		(void) snprintf(path, sizeof (path), "/dev/net/%s", provider);
+		if (*zonename != '\0') {
+			(void) snprintf(path, sizeof (path),
+			    "/dev/net/zone/%s/%s", zonename, provider);
+		} else {
+			(void) snprintf(path, sizeof (path), "/dev/net/%s",
+			    provider);
+		}
 		if ((*fd = open(path, oflags)) != -1)
 			return (DLPI_SUCCESS);
 
@@ -1130,7 +1172,8 @@ i_dlpi_style1_open(dlpi_impl_t *dip)
 	int		retval, save_errno;
 	int		fd;
 
-	retval = i_dlpi_open(dip->dli_linkname, &fd, dip->dli_oflags, B_TRUE);
+	retval = i_dlpi_open(dip->dli_linkname, dip->dli_zonename, &fd,
+	    dip->dli_oflags, B_TRUE);
 	if (retval != DLPI_SUCCESS)
 		return (retval);
 	dip->dli_fd = fd;
@@ -1153,7 +1196,8 @@ i_dlpi_style2_open(dlpi_impl_t *dip)
 	int 		fd;
 	int 		retval, save_errno;
 
-	retval = i_dlpi_open(dip->dli_provider, &fd, dip->dli_oflags, B_FALSE);
+	retval = i_dlpi_open(dip->dli_provider, dip->dli_zonename, &fd,
+	    dip->dli_oflags, B_FALSE);
 	if (retval != DLPI_SUCCESS)
 		return (retval);
 	dip->dli_fd = fd;
@@ -1571,7 +1615,8 @@ static const char *libdlpi_errlist[] = {
 						/* DLPI_ENOTENOTSUP */
 	"invalid DLPI notification type",	/* DLPI_ENOTEINVAL */
 	"invalid DLPI notification id",		/* DLPI_ENOTEIDINVAL */
-	"DLPI_IPNETINFO not supported"		/* DLPI_EIPNETINFONOTSUP */
+	"DLPI_IPNETINFO not supported",		/* DLPI_EIPNETINFONOTSUP */
+	"invalid zone name"			/* DLPI_EZONENAMEINVAL */
 };
 
 const char *
diff --git a/usr/src/lib/libdlpi/common/libdlpi.h b/usr/src/lib/libdlpi/common/libdlpi.h
index 993ac1b7a4..364413ee3a 100644
--- a/usr/src/lib/libdlpi/common/libdlpi.h
+++ b/usr/src/lib/libdlpi/common/libdlpi.h
@@ -93,6 +93,7 @@ enum {
 	DLPI_ENOTENOTSUP,	/* DLPI notification not supported by link */
 	DLPI_ENOTEIDINVAL,	/* invalid DLPI notification id */
 	DLPI_EIPNETINFONOTSUP,	/* DLPI_IPNETINFO not supported */
+	DLPI_EZONENAMEINVAL,	/* invalid zone name */
 	DLPI_ERRMAX		/* Highest + 1 libdlpi error code */
 };
 
@@ -184,6 +185,7 @@ typedef boolean_t dlpi_walkfunc_t(const char *, void *);
 
 extern void dlpi_walk(dlpi_walkfunc_t *, void *, uint_t);
 extern int dlpi_open(const char *, dlpi_handle_t *, uint_t);
+extern int dlpi_open_zone(const char *, const char *, dlpi_handle_t *, uint_t);
 extern void dlpi_close(dlpi_handle_t);
 extern int dlpi_info(dlpi_handle_t, dlpi_info_t *, uint_t);
 extern int dlpi_bind(dlpi_handle_t, uint_t, uint_t *);
diff --git a/usr/src/lib/libdlpi/common/libdlpi_impl.h b/usr/src/lib/libdlpi/common/libdlpi_impl.h
index 70708ff5af..8969cce7cb 100644
--- a/usr/src/lib/libdlpi/common/libdlpi_impl.h
+++ b/usr/src/lib/libdlpi/common/libdlpi_impl.h
@@ -28,6 +28,7 @@
 
 #include <libdlpi.h>
 #include <sys/sysmacros.h>
+#include <sys/zone.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -112,6 +113,8 @@ typedef struct dlpi_impl_s {
 					/* full linkname including PPA */
 	char		dli_provider[DLPI_LINKNAME_MAX];
 					/* only provider name */
+	char		dli_zonename[ZONENAME_MAX];
+					/* optionally specified zone */
 	t_uscalar_t	dli_style;	/* style 1 or 2 */
 	uint_t		dli_saplen;	/* bound SAP length */
 	uint_t		dli_sap;	/* bound SAP value */
diff --git a/usr/src/lib/libdlpi/common/mapfile-vers b/usr/src/lib/libdlpi/common/mapfile-vers
index ed3231dc92..c818e5e660 100644
--- a/usr/src/lib/libdlpi/common/mapfile-vers
+++ b/usr/src/lib/libdlpi/common/mapfile-vers
@@ -67,6 +67,11 @@ SYMBOL_VERSION SUNW_1.1 {	# first release of libdlpi, Solaris 11
 
 SYMBOL_VERSION SUNWprivate {
     global:
+	#
+	# dlpi_open_zone should be moved to a new public section once it is
+	# upstreamed into illumos-gate .
+	#
+	dlpi_open_zone;
         dlpi_parselink;
 	dlpi_makelink;
 	dlpi_style;
diff --git a/usr/src/lib/libdns_sd/java/com/apple/dnssd/DNSSDRecordRegistrar.java b/usr/src/lib/libdns_sd/java/com/apple/dnssd/DNSSDRecordRegistrar.java
index 366d83476b..6983e279fa 100644
--- a/usr/src/lib/libdns_sd/java/com/apple/dnssd/DNSSDRecordRegistrar.java
+++ b/usr/src/lib/libdns_sd/java/com/apple/dnssd/DNSSDRecordRegistrar.java
@@ -5,9 +5,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *     http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -25,9 +25,6 @@ Re-licensed mDNSResponder daemon source code under Apache License, Version 2.0
 
 Revision 1.1  2006/06/20 23:00:12  rpantos
 <rdar://problem/3839132> Java needs to implement DNSServiceRegisterRecord equivalent
-
-ident	"%Z%%M%	%I%	%E% SMI"
-
  */
 
 
@@ -38,7 +35,7 @@ package	com.apple.dnssd;
 
 public interface	DNSSDRecordRegistrar extends DNSSDService
 {
-	/** Register an independent {@link DNSRecord}.<P> 
+	/** Register an independent {@link DNSRecord}.<P>
 		@param	flags
 					Possible values are SHARED or UNIQUE (see flag type definitions for details).
 		<P>
@@ -55,25 +52,22 @@ public interface	DNSSDRecordRegistrar extends DNSSDService
 					as defined in nameser.h.
 		<P>
 		@param	rrclass
-					The class of the resource record, as defined in nameser.h 
+					The class of the resource record, as defined in nameser.h
 					(usually 1 for the Internet class).
 		<P>
-		@param	rData
+		@param	rdata
 					The new rdata  as it is to appear in the DNS record.
 		<P>
 		@param	ttl
 					The time to live of the resource record, in seconds. Pass 0 to use a default value.
 		<P>
-		@param	listener
-					This object will get called when the service is registered.
-		<P>
 		@return		A {@link DNSSDService} that can be used to abort the record registration.
 
 		@throws SecurityException If a security manager is present and denies <tt>RuntimePermission("getDNSSDInstance")</tt>.
 		@see    RuntimePermission
 	*/
-	public DNSRecord	registerRecord( int flags, int ifIndex, String fullname, int rrtype, 
+	public DNSRecord	registerRecord( int flags, int ifIndex, String fullname, int rrtype,
 									int rrclass, byte[] rdata, int ttl)
 	throws DNSSDException;
-} 
+}
 
diff --git a/usr/src/lib/libdtrace/Makefile.com b/usr/src/lib/libdtrace/Makefile.com
index f43915ec06..9f3002320a 100644
--- a/usr/src/lib/libdtrace/Makefile.com
+++ b/usr/src/lib/libdtrace/Makefile.com
@@ -86,6 +86,7 @@ DLIBSRCS += \
 	io.d \
 	ip.d \
 	iscsit.d \
+	mac.d \
 	net.d \
 	nfs.d \
 	nfssrv.d \
@@ -98,7 +99,8 @@ DLIBSRCS += \
 	sysevent.d \
 	tcp.d \
 	udp.d \
-	unistd.d
+	unistd.d \
+	vnd.d
 
 include ../../Makefile.lib
 
@@ -111,6 +113,7 @@ CLEANFILES += dt_lex.c dt_grammar.c dt_grammar.h y.output
 CLEANFILES += ../common/procfs.sed ../common/procfs.d
 CLEANFILES += ../common/io.sed ../common/io.d
 CLEANFILES += ../common/ip.sed ../common/ip.d
+CLEANFILES += ../common/mac.sed ../common/mac.d
 CLEANFILES += ../common/net.sed ../common/net.d
 CLEANFILES += ../common/errno.d ../common/signal.d
 CLEANFILES += ../common/dt_errtags.c ../common/dt_names.c
@@ -132,7 +135,7 @@ CERRWARN += -_gcc=-Wno-uninitialized
 CERRWARN += -_gcc=-Wno-switch
 
 YYCFLAGS =
-LDLIBS += -lgen -lproc -lrtld_db -lnsl -lsocket -lctf -lelf -lc
+LDLIBS += -lgen -lproc -lrtld_db -lnsl -lsocket -lctf -lelf -lc -lzonecfg
 DRTILDLIBS = $(LDLIBS.lib) -lc
 LIBDAUDITLIBS = $(LDLIBS.lib) -lmapmalloc -lc -lproc
 
@@ -204,6 +207,9 @@ pics/dt_lex.o pics/dt_grammar.o := CCVERBOSE =
 ../common/ip.d: ../common/ip.sed ../common/ip.d.in
 	sed -f ../common/ip.sed < ../common/ip.d.in > $@
 
+../common/mac.d: ../common/mac.sed ../common/mac.d.in
+	sed -f ../common/mac.sed < ../common/mac.d.in > $@
+
 ../common/net.d: ../common/net.sed ../common/net.d.in
 	sed -f ../common/net.sed < ../common/net.d.in > $@
 
diff --git a/usr/src/lib/libdtrace/common/dt_decl.c b/usr/src/lib/libdtrace/common/dt_decl.c
index bbb561d027..c9bd469ddb 100644
--- a/usr/src/lib/libdtrace/common/dt_decl.c
+++ b/usr/src/lib/libdtrace/common/dt_decl.c
@@ -22,7 +22,7 @@
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
- * Copyright (c) 2013 Joyent, Inc. All rights reserved.
+ * Copyright (c) 2015 Joyent, Inc. All rights reserved.
  */
 
 #include <strings.h>
@@ -652,7 +652,7 @@ dt_decl_member(dt_node_t *dnp)
 	}
 
 	if (ctf_add_member(dsp->ds_ctfp, dsp->ds_type,
-	    ident, dtt.dtt_type) == CTF_ERR) {
+	    ident, dtt.dtt_type, ULONG_MAX) == CTF_ERR) {
 		xyerror(D_UNKNOWN, "failed to define member '%s': %s\n",
 		    idname, ctf_errmsg(ctf_errno(dsp->ds_ctfp)));
 	}
diff --git a/usr/src/lib/libdtrace/common/dt_impl.h b/usr/src/lib/libdtrace/common/dt_impl.h
index c6ed8ceaac..2d824ba640 100644
--- a/usr/src/lib/libdtrace/common/dt_impl.h
+++ b/usr/src/lib/libdtrace/common/dt_impl.h
@@ -267,6 +267,7 @@ struct dtrace_hdl {
 	uint_t dt_droptags;	/* boolean:  set via -xdroptags */
 	uint_t dt_active;	/* boolean:  set once tracing is active */
 	uint_t dt_stopped;	/* boolean:  set once tracing is stopped */
+	uint_t dt_optset;	/* boolean:  set once options have been set */
 	processorid_t dt_beganon; /* CPU that executed BEGIN probe (if any) */
 	processorid_t dt_endedon; /* CPU that executed END probe (if any) */
 	uint_t dt_oflags;	/* dtrace open-time options (see dtrace.h) */
diff --git a/usr/src/lib/libdtrace/common/dt_open.c b/usr/src/lib/libdtrace/common/dt_open.c
index ffb2fe9a8f..74a9cccfef 100644
--- a/usr/src/lib/libdtrace/common/dt_open.c
+++ b/usr/src/lib/libdtrace/common/dt_open.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc.
  * Copyright (c) 2012 by Delphix. All rights reserved.
  */
 
@@ -40,6 +40,7 @@
 #include <fcntl.h>
 #include <errno.h>
 #include <assert.h>
+#include <zone.h>
 
 #define	_POSIX_PTHREAD_SEMANTICS
 #include <dirent.h>
@@ -683,8 +684,8 @@ const dtrace_pattr_t _dtrace_prvdesc = {
 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON },
 };
 
-const char *_dtrace_defcpp = "/usr/ccs/lib/cpp"; /* default cpp(1) to invoke */
-const char *_dtrace_defld = "/usr/ccs/bin/ld";   /* default ld(1) to invoke */
+const char *_dtrace_defcpp = "/usr/lib/cpp"; /* default cpp(1) to invoke */
+const char *_dtrace_defld = "/usr/bin/ld";   /* default ld(1) to invoke */
 
 const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */
 const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */
@@ -824,6 +825,8 @@ dt_vopen(int version, int flags, int *errp,
 	dt_provmod_t *provmod = NULL;
 	int i, err;
 	struct rlimit rl;
+	const char *zroot;
+	char *libpath = NULL;
 
 	const dt_intrinsic_t *dinp;
 	const dt_typedef_t *dtyp;
@@ -956,11 +959,19 @@ alloc:
 	dtp->dt_provs = calloc(dtp->dt_provbuckets, sizeof (dt_provider_t *));
 	dt_proc_init(dtp);
 	dtp->dt_vmax = DT_VERS_LATEST;
-	dtp->dt_cpp_path = strdup(_dtrace_defcpp);
+	zroot = zone_get_nroot();
+	if (zroot != NULL) {
+		(void) asprintf(&dtp->dt_ld_path, "%s/%s", zroot,
+		    _dtrace_defld);
+		(void) asprintf(&dtp->dt_cpp_path, "%s/%s", zroot,
+		    _dtrace_defcpp);
+	} else {
+		dtp->dt_ld_path = strdup(_dtrace_defld);
+		dtp->dt_cpp_path = strdup(_dtrace_defcpp);
+	}
 	dtp->dt_cpp_argv = malloc(sizeof (char *));
 	dtp->dt_cpp_argc = 1;
 	dtp->dt_cpp_args = 1;
-	dtp->dt_ld_path = strdup(_dtrace_defld);
 	dtp->dt_provmod = provmod;
 	dtp->dt_vector = vector;
 	dtp->dt_varg = arg;
@@ -1134,13 +1145,13 @@ alloc:
 	 * Add intrinsic pointer types that are needed to initialize printf
 	 * format dictionary types (see table in dt_printf.c).
 	 */
-	(void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT,
+	(void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, NULL,
 	    ctf_lookup_by_name(dmp->dm_ctfp, "void"));
 
-	(void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT,
+	(void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, NULL,
 	    ctf_lookup_by_name(dmp->dm_ctfp, "char"));
 
-	(void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT,
+	(void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, NULL,
 	    ctf_lookup_by_name(dmp->dm_ctfp, "int"));
 
 	if (ctf_update(dmp->dm_ctfp) != 0) {
@@ -1200,11 +1211,11 @@ alloc:
 	ctc.ctc_argc = 0;
 	ctc.ctc_flags = 0;
 
-	dtp->dt_type_func = ctf_add_function(dmp->dm_ctfp,
+	dtp->dt_type_func = ctf_add_funcptr(dmp->dm_ctfp,
 	    CTF_ADD_ROOT, &ctc, NULL);
 
-	dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp,
-	    CTF_ADD_ROOT, dtp->dt_type_func);
+	dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, NULL,
+	    dtp->dt_type_func);
 
 	/*
 	 * We also insert CTF definitions for the special D intrinsic types
@@ -1305,9 +1316,15 @@ alloc:
 	 * compile, and to provide better error reporting (because the full
 	 * reporting of compiler errors requires dtrace_open() to succeed).
 	 */
-	if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0)
+	if (zroot != NULL)
+		(void) asprintf(&libpath, "%s/%s", zroot, _dtrace_libdir);
+	if (dtrace_setopt(dtp, "libdir",
+	    libpath != NULL ? libpath : _dtrace_libdir) != 0)
 		return (set_open_errno(dtp, errp, dtp->dt_errno));
 
+	if (libpath != NULL)
+		free(libpath);
+
 	return (dtp);
 }
 
diff --git a/usr/src/lib/libdtrace/common/dt_options.c b/usr/src/lib/libdtrace/common/dt_options.c
index 201b50a177..be985d6dab 100644
--- a/usr/src/lib/libdtrace/common/dt_options.c
+++ b/usr/src/lib/libdtrace/common/dt_options.c
@@ -41,6 +41,8 @@
 #include <alloca.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <zone.h>
+#include <libzonecfg.h>
 
 #include <dt_impl.h>
 #include <dt_string.h>
@@ -854,6 +856,44 @@ dt_opt_bufresize(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
 	return (0);
 }
 
+/*ARGSUSED*/
+static int
+dt_opt_zone(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
+{
+	zoneid_t z, did;
+
+	if (arg == NULL)
+		return (dt_set_errno(dtp, EDT_BADOPTVAL));
+
+	/*
+	 * If the specified zone is currently running, we'll query the kernel
+	 * for its debugger ID.  If it doesn't appear to be running, we'll look
+	 * for it for among all installed zones (thereby allowing a zdefs
+	 * enabling against a halted zone).
+	 */
+	if ((z = getzoneidbyname(arg)) != -1) {
+		if (zone_getattr(z, ZONE_ATTR_DID, &did, sizeof (did)) < 0)
+			return (dt_set_errno(dtp, EDT_BADOPTVAL));
+	} else {
+		zone_dochandle_t handle;
+
+		if ((handle = zonecfg_init_handle()) == NULL)
+			return (dt_set_errno(dtp, errno));
+
+		if (zonecfg_get_handle(arg, handle) != Z_OK) {
+			zonecfg_fini_handle(handle);
+			return (dt_set_errno(dtp, EDT_BADOPTVAL));
+		}
+
+		did = zonecfg_get_did(handle);
+		zonecfg_fini_handle(handle);
+	}
+
+	dtp->dt_options[DTRACEOPT_ZONE] = did;
+
+	return (0);
+}
+
 int
 dt_options_load(dtrace_hdl_t *dtp)
 {
@@ -988,6 +1028,7 @@ static const dt_option_t _dtrace_rtoptions[] = {
 	{ "statusrate", dt_opt_rate, DTRACEOPT_STATUSRATE },
 	{ "strsize", dt_opt_strsize, DTRACEOPT_STRSIZE },
 	{ "ustackframes", dt_opt_runtime, DTRACEOPT_USTACKFRAMES },
+	{ "zone", dt_opt_zone, DTRACEOPT_ZONE },
 	{ "temporal", dt_opt_runtime, DTRACEOPT_TEMPORAL },
 	{ NULL }
 };
@@ -1068,9 +1109,41 @@ dtrace_setopt(dtrace_hdl_t *dtp, const char *opt, const char *val)
 			if (dtp->dt_active)
 				return (dt_set_errno(dtp, EDT_ACTIVE));
 
+			/*
+			 * If our options had been previously ioctl'd down,
+			 * clear dt_optset to indicate that a run-time option
+			 * has since been set.
+			 */
+			dtp->dt_optset = B_FALSE;
+
 			return (op->o_func(dtp, val, op->o_option));
 		}
 	}
 
 	return (dt_set_errno(dtp, EDT_BADOPTNAME));
 }
+
+int
+dtrace_setopts(dtrace_hdl_t *dtp)
+{
+	void *dof;
+	int err;
+
+	if (dtp->dt_optset)
+		return (0);
+
+	if ((dof = dtrace_getopt_dof(dtp)) == NULL)
+		return (-1); /* dt_errno has been set for us */
+
+	if ((err = dt_ioctl(dtp, DTRACEIOC_ENABLE, dof)) == -1)
+		(void) dt_set_errno(dtp, errno);
+
+	dtrace_dof_destroy(dtp, dof);
+
+	if (err == -1)
+		return (-1);
+
+	dtp->dt_optset = B_TRUE;
+
+	return (0);
+}
diff --git a/usr/src/lib/libdtrace/common/dt_parser.c b/usr/src/lib/libdtrace/common/dt_parser.c
index 753009f857..4e7c0c8869 100644
--- a/usr/src/lib/libdtrace/common/dt_parser.c
+++ b/usr/src/lib/libdtrace/common/dt_parser.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013, Joyent Inc. All rights reserved.
+ * Copyright (c) 2015, Joyent Inc. All rights reserved.
  * Copyright (c) 2013 by Delphix. All rights reserved.
  */
 
@@ -288,7 +288,7 @@ dt_type_pointer(dtrace_typeinfo_t *tip)
 		return (dt_set_errno(dtp, EDT_CTF));
 	}
 
-	ptr = ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, type);
+	ptr = ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, NULL, type);
 
 	if (ptr == CTF_ERR || ctf_update(dmp->dm_ctfp) == CTF_ERR) {
 		dtp->dt_ctferr = ctf_errno(dmp->dm_ctfp);
diff --git a/usr/src/lib/libdtrace/common/dt_program.c b/usr/src/lib/libdtrace/common/dt_program.c
index 7d725bd0af..e4f9d8dd1c 100644
--- a/usr/src/lib/libdtrace/common/dt_program.c
+++ b/usr/src/lib/libdtrace/common/dt_program.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent, Inc. All rights reserved.
  * Copyright (c) 2011 by Delphix. All rights reserved.
  */
 
@@ -154,6 +155,14 @@ dtrace_program_exec(dtrace_hdl_t *dtp, dtrace_prog_t *pgp,
 	void *dof;
 	int n, err;
 
+	/*
+	 * If we have not yet ioctl'd down our options DOF, we'll do that
+	 * before enabling any probes (some options will affect which probes
+	 * we match).
+	 */
+	if (dtrace_setopts(dtp) != 0)
+		return (-1);
+
 	dtrace_program_info(dtp, pgp, pip);
 
 	if ((dof = dtrace_dof_create(dtp, pgp, DTRACE_D_STRIP)) == NULL)
diff --git a/usr/src/lib/libdtrace/common/dt_work.c b/usr/src/lib/libdtrace/common/dt_work.c
index 97a7f62d69..c330394027 100644
--- a/usr/src/lib/libdtrace/common/dt_work.c
+++ b/usr/src/lib/libdtrace/common/dt_work.c
@@ -25,7 +25,9 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * Copyright (c) 2011, Joyent, Inc. All rights reserved.
+ */
 
 #include <dt_impl.h>
 #include <stddef.h>
@@ -164,13 +166,22 @@ dtrace_status(dtrace_hdl_t *dtp)
 int
 dtrace_go(dtrace_hdl_t *dtp)
 {
-	void *dof;
-	int err;
-
 	if (dtp->dt_active)
 		return (dt_set_errno(dtp, EINVAL));
 
 	/*
+	 * In most cases, we will have already ioctl'd down our options DOF
+	 * by this point -- but if a libdtrace does a dtrace_setopt() after
+	 * calling dtrace_program_exec() but before calling dtrace_go(),
+	 * dt_optset will be cleared and we need to ioctl down the options
+	 * DOF now.
+	 */
+	if (dtrace_setopts(dtp) != 0 &&
+	    (dtp->dt_errno != ENOTTY || dtp->dt_vector == NULL)) {
+		return (-1);
+	}
+
+	/*
 	 * If a dtrace:::ERROR program and callback are registered, enable the
 	 * program before we start tracing.  If this fails for a vector open
 	 * with ENOTTY, we permit dtrace_go() to succeed so that vector clients
@@ -178,19 +189,10 @@ dtrace_go(dtrace_hdl_t *dtp)
 	 * though they do not provide support for the DTRACEIOC_ENABLE ioctl.
 	 */
 	if (dtp->dt_errprog != NULL &&
-	    dtrace_program_exec(dtp, dtp->dt_errprog, NULL) == -1 && (
-	    dtp->dt_errno != ENOTTY || dtp->dt_vector == NULL))
-		return (-1); /* dt_errno has been set for us */
-
-	if ((dof = dtrace_getopt_dof(dtp)) == NULL)
+	    dtrace_program_exec(dtp, dtp->dt_errprog, NULL) == -1 &&
+	    (dtp->dt_errno != ENOTTY || dtp->dt_vector == NULL))
 		return (-1); /* dt_errno has been set for us */
 
-	err = dt_ioctl(dtp, DTRACEIOC_ENABLE, dof);
-	dtrace_dof_destroy(dtp, dof);
-
-	if (err == -1 && (errno != ENOTTY || dtp->dt_vector == NULL))
-		return (dt_set_errno(dtp, errno));
-
 	if (dt_ioctl(dtp, DTRACEIOC_GO, &dtp->dt_beganon) == -1) {
 		if (errno == EACCES)
 			return (dt_set_errno(dtp, EDT_DESTRUCTIVE));
diff --git a/usr/src/lib/libdtrace/common/dtrace.h b/usr/src/lib/libdtrace/common/dtrace.h
index 065d99f300..8c65ff8bec 100644
--- a/usr/src/lib/libdtrace/common/dtrace.h
+++ b/usr/src/lib/libdtrace/common/dtrace.h
@@ -82,6 +82,7 @@ extern const char *dtrace_subrstr(dtrace_hdl_t *, int);
 
 extern int dtrace_setopt(dtrace_hdl_t *, const char *, const char *);
 extern int dtrace_getopt(dtrace_hdl_t *, const char *, dtrace_optval_t *);
+extern int dtrace_setopts(dtrace_hdl_t *);
 
 extern void dtrace_update(dtrace_hdl_t *);
 extern int dtrace_ctlfd(dtrace_hdl_t *);
diff --git a/usr/src/lib/libdtrace/common/mac.d.in b/usr/src/lib/libdtrace/common/mac.d.in
new file mode 100644
index 0000000000..6263d51bdd
--- /dev/null
+++ b/usr/src/lib/libdtrace/common/mac.d.in
@@ -0,0 +1,66 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#pragma D depends_on library ip.d
+
+inline int ETHERTYPE_PUP = @ETHERTYPE_PUP@; 
+inline int ETHERTYPE_802_MIN = @ETHERTYPE_802_MIN@;
+inline int ETHERTYPE_IP = @ETHERTYPE_IP@; 
+inline int ETHERTYPE_ARP = @ETHERTYPE_ARP@; 
+inline int ETHERTYPE_REVARP = @ETHERTYPE_REVARP@;
+inline int ETHERTYPE_AT = @ETHERTYPE_AT@; 
+inline int ETHERTYPE_AARP = @ETHERTYPE_AARP@;
+inline int ETHERTYPE_VLAN = @ETHERTYPE_VLAN@;
+inline int ETHERTYPE_IPV6 = @ETHERTYPE_IPV6@;
+inline int ETHERTYPE_SLOW = @ETHERTYPE_SLOW@;
+inline int ETHERTYPE_PPPOED = @ETHERTYPE_PPPOED@;
+inline int ETHERTYPE_PPPOES = @ETHERTYPE_PPPOES@;
+inline int ETHERTYPE_EAPOL = @ETHERTYPE_EAPOL@;
+inline int ETHERTYPE_RSN_PREAUTH = @ETHERTYPE_RSN_PREAUTH@;
+inline int ETHERTYPE_TRILL = @ETHERTYPE_TRILL@;
+inline int ETHERTYPE_FCOE = @ETHERTYPE_FCOE@;
+inline int ETHERTYPE_MAX = @ETHERTYPE_MAX@;
+
+
+typedef struct etherinfo {
+	uint8_t eth_dst[6];		/* Destination MAC addr */
+	uint8_t eth_src[6];		/* Source MAC addr */
+	uint16_t eth_type;		/* Ethertype */
+	boolean_t eth_istagged;		/* Is the VLAN tag present */
+	uint8_t eth_priority;		/* Priority tag */
+	uint8_t eth_dei;		/* drop eligible indicator */
+	uint16_t eth_vlanid;		/* VLAN ID */
+	uintptr_t eth_header;		/* Pointer to start of header */
+	uintptr_t eth_mblk;		/* Pointer to the mblk containing header */
+} etherinfo_t;
+
+#pragma D binding "1.12.1" translator
+translator etherinfo_t < mblk_t *mp > {
+	eth_dst = mp->b_rptr;
+	eth_src = mp->b_rptr + 6;
+	eth_type = ntohs(*(uint16_t *)(mp->b_rptr + 12)) == ETHERTYPE_VLAN ?
+	    ntohs(*(uint16_t *)(mp->b_rptr + 16)) :
+	    ntohs(*(uint16_t *)(mp->b_rptr + 12));
+	eth_istagged = ntohs(*(uint16_t *)(mp->b_rptr + 12)) == ETHERTYPE_VLAN ?
+	    1 : 0;
+	eth_priority = ntohs(*(uint16_t *)(mp->b_rptr + 12)) == ETHERTYPE_VLAN ?
+	    ntohs(*(uint16_t *)(mp->b_rptr + 14)) & 0xe000: 0;
+	eth_dei = ntohs(*(uint16_t *)(mp->b_rptr + 12)) == ETHERTYPE_VLAN ?
+	    ntohs(*(uint16_t *)(mp->b_rptr + 14)) & 0x1000: 0;
+	eth_vlanid = ntohs(*(uint16_t *)(mp->b_rptr + 12)) == ETHERTYPE_VLAN ?
+	    ntohs(*(uint16_t *)(mp->b_rptr + 14)) & 0x0fff: 0;
+	eth_header = (uintptr_t)mp->b_rptr;
+	eth_mblk = (uintptr_t)mp;
+};
diff --git a/usr/src/lib/libdtrace/common/mac.sed.in b/usr/src/lib/libdtrace/common/mac.sed.in
new file mode 100644
index 0000000000..00e149d000
--- /dev/null
+++ b/usr/src/lib/libdtrace/common/mac.sed.in
@@ -0,0 +1,45 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+
+/*
+ * This file is a sed script which is first preprocessed by cpp or cc -E to
+ * define a set of sed directives which replace #define tokens with their
+ * values.  After preprocessing, the sed script is run over vnd.d.in to
+ * replace the #define tokens listed below to create the finished vnd.d.
+ * Refer to the rules in libdtrace/Makefile.com for more information.
+ */
+
+#include <sys/ethernet.h>
+
+#define	SED_REPLACE(x)	s/#x/x/g
+
+SED_REPLACE(ETHERTYPE_PUP)
+SED_REPLACE(ETHERTYPE_802_MIN)
+SED_REPLACE(ETHERTYPE_IP)
+SED_REPLACE(ETHERTYPE_ARP)
+SED_REPLACE(ETHERTYPE_REVARP)
+SED_REPLACE(ETHERTYPE_AT)
+SED_REPLACE(ETHERTYPE_AARP)
+SED_REPLACE(ETHERTYPE_VLAN)
+SED_REPLACE(ETHERTYPE_IPV6)
+SED_REPLACE(ETHERTYPE_SLOW)
+SED_REPLACE(ETHERTYPE_PPPOED)
+SED_REPLACE(ETHERTYPE_PPPOES)
+SED_REPLACE(ETHERTYPE_EAPOL)
+SED_REPLACE(ETHERTYPE_RSN_PREAUTH)
+SED_REPLACE(ETHERTYPE_TRILL)
+SED_REPLACE(ETHERTYPE_FCOE)
+SED_REPLACE(ETHERTYPE_MAX)
diff --git a/usr/src/lib/libdtrace/common/vnd.d b/usr/src/lib/libdtrace/common/vnd.d
new file mode 100644
index 0000000000..356c412150
--- /dev/null
+++ b/usr/src/lib/libdtrace/common/vnd.d
@@ -0,0 +1,28 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+
+#pragma D depends_on module vnd
+#pragma D depends_on provider vnd
+#pragma D depends_on library ip.d
+#pragma D depends_on library mac.d
+
+#pragma D binding "1.6.3" translator
+translator ifinfo_t < vnd_str_t *vsp > {
+	if_name = vsp != NULL ? stringof(vsp->vns_dev->vdd_lname) : "<null>";
+	if_local = 0;
+	if_ipstack = vsp != NULL ? vsp->vns_nsd->vpnd_nsid : 0;
+	if_addr = (uintptr_t)vsp;
+};
diff --git a/usr/src/lib/libgrubmgmt/common/libgrub_fs.c b/usr/src/lib/libgrubmgmt/common/libgrub_fs.c
index aa5faa6470..92078bccee 100644
--- a/usr/src/lib/libgrubmgmt/common/libgrub_fs.c
+++ b/usr/src/lib/libgrubmgmt/common/libgrub_fs.c
@@ -21,6 +21,8 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright 2011 Joyent, Inc. All rights reserved.
  */
 /*
  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
diff --git a/usr/src/lib/libidspace/Makefile b/usr/src/lib/libidspace/Makefile
new file mode 100644
index 0000000000..44640eeddc
--- /dev/null
+++ b/usr/src/lib/libidspace/Makefile
@@ -0,0 +1,45 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.lib
+
+HDRS = libidspace.h
+HDRDIR = common
+
+SUBDIRS = $(MACH) 
+$(BUILD64)SUBDIRS += $(MACH64)
+
+all := TARGET = all
+clean := TARGET = clean
+clobber := TARGET = clobber
+install := TARGET = install
+lint := TARGET = lint
+
+.KEEP_STATE:
+
+all clean clobber install lint: $(SUBDIRS)
+
+install: install_h $(SUBDIRS)
+
+install_h: $(ROOTHDRS)
+
+check: $(CHECKHDRS)
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
+
+include ../Makefile.targ
diff --git a/usr/src/lib/libidspace/Makefile.com b/usr/src/lib/libidspace/Makefile.com
new file mode 100644
index 0000000000..8cc60ffc4c
--- /dev/null
+++ b/usr/src/lib/libidspace/Makefile.com
@@ -0,0 +1,42 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+LIBRARY =	libidspace.a
+VERS =		.1
+OBJECTS =	id_space.o \
+		libidspace.o
+COMDIR =	$(SRC)/common/idspace
+
+include ../../Makefile.lib
+
+SRCDIR =	../common
+SRCS =		../../../common/idspace/id_space.c
+LIBS =		$(DYNLIB) $(LINTLIB)
+
+LDLIBS += 	-lc -lumem
+
+$(LINTLIB) := 	SRCS = $(SRCDIR)/$(LINTSRC)
+
+.KEEP_STATE:
+
+all: $(LIBS)
+
+lint: lintcheck
+
+include ../../Makefile.targ
+
+objs/%.o pics/%.o: $(COMDIR)/%.c
+	$(COMPILE.c) -o $@ $<
+	$(POST_PROCESS_O)
diff --git a/usr/src/lib/libidspace/amd64/Makefile b/usr/src/lib/libidspace/amd64/Makefile
new file mode 100644
index 0000000000..15d904c616
--- /dev/null
+++ b/usr/src/lib/libidspace/amd64/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.com
+include ../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/libidspace/common/libidspace.c b/usr/src/lib/libidspace/common/libidspace.c
new file mode 100644
index 0000000000..7a9f8acd67
--- /dev/null
+++ b/usr/src/lib/libidspace/common/libidspace.c
@@ -0,0 +1,25 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014, Joyent, Inc.
+ */
+
+/*
+ * Wrappers around the common id_space code, for userland.
+ */
+#include <sys/id_space.h>
+
+id_t
+id_alloc_specific(id_space_t *idp, id_t id)
+{
+	return (id_alloc_specific_nosleep(idp, id));
+}
diff --git a/usr/src/lib/libidspace/common/libidspace.h b/usr/src/lib/libidspace/common/libidspace.h
new file mode 100644
index 0000000000..bb8690f19c
--- /dev/null
+++ b/usr/src/lib/libidspace/common/libidspace.h
@@ -0,0 +1,42 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _LIBIDSPACE_H
+#define	_LIBIDSPACE_H
+
+/*
+ * libidspace public header
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <sys/types.h>
+
+typedef struct id_space id_space_t;
+
+extern id_space_t *id_space_create(const char *, id_t, id_t);
+extern void id_space_destroy(id_space_t *);
+extern void id_space_extend(id_space_t *, id_t, id_t);
+extern id_t id_alloc(id_space_t *);
+extern id_t id_alloc_specific(id_space_t *, id_t);
+extern void id_free(id_space_t *, id_t);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBIDSPACE_H */
diff --git a/usr/src/lib/libidspace/common/llib-lidspace b/usr/src/lib/libidspace/common/llib-lidspace
new file mode 100644
index 0000000000..39c628da47
--- /dev/null
+++ b/usr/src/lib/libidspace/common/llib-lidspace
@@ -0,0 +1,19 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/* LINTLIBRARY */
+/* PROTOLIB1 */
+
+#include <libidspace.h>
diff --git a/usr/src/lib/libidspace/common/mapfile-vers b/usr/src/lib/libidspace/common/mapfile-vers
new file mode 100644
index 0000000000..61ae855ee0
--- /dev/null
+++ b/usr/src/lib/libidspace/common/mapfile-vers
@@ -0,0 +1,47 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+SYMBOL_VERSION ILLUMOS_1.0 {    # first release of libidspace
+    global:
+        id_alloc;
+	id_alloc_specific;
+	id_free;
+        id_space_create;
+	id_space_destroy;
+        id_space_extend;
+};
+
+
+SYMBOL_VERSION ILLUMOSprivate {
+    local:
+        *;
+};
+
diff --git a/usr/src/lib/libidspace/i386/Makefile b/usr/src/lib/libidspace/i386/Makefile
new file mode 100644
index 0000000000..41e699e8f8
--- /dev/null
+++ b/usr/src/lib/libidspace/i386/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/libidspace/sparc/Makefile b/usr/src/lib/libidspace/sparc/Makefile
new file mode 100644
index 0000000000..41e699e8f8
--- /dev/null
+++ b/usr/src/lib/libidspace/sparc/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/libidspace/sparcv9/Makefile b/usr/src/lib/libidspace/sparcv9/Makefile
new file mode 100644
index 0000000000..15d904c616
--- /dev/null
+++ b/usr/src/lib/libidspace/sparcv9/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.com
+include ../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/libipadm/common/libipadm.c b/usr/src/lib/libipadm/common/libipadm.c
index 527f735e17..068c8d6535 100644
--- a/usr/src/lib/libipadm/common/libipadm.c
+++ b/usr/src/lib/libipadm/common/libipadm.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2014, Joyent, Inc. All rights reserved.
  * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
  */
 
@@ -285,11 +286,19 @@ ipadm_close(ipadm_handle_t iph)
 boolean_t
 ipadm_check_auth(void)
 {
+	int		uid;
 	struct passwd	pwd;
 	char		buf[NSS_BUFLEN_PASSWD];
 
+	/*
+	 * Branded zones may have different kinds of auth, but root always
+	 * allowed.
+	 */
+	if ((uid = getuid()) == 0)
+		return (B_TRUE);
+
 	/* get the password entry for the given user ID */
-	if (getpwuid_r(getuid(), &pwd, buf, sizeof (buf)) == NULL)
+	if (getpwuid_r(uid, &pwd, buf, sizeof (buf)) == NULL)
 		return (B_FALSE);
 
 	/* check for presence of given authorization */
diff --git a/usr/src/lib/libkmf/plugins/kmf_openssl/Makefile.com b/usr/src/lib/libkmf/plugins/kmf_openssl/Makefile.com
index 76ecd38479..42e2d976fd 100644
--- a/usr/src/lib/libkmf/plugins/kmf_openssl/Makefile.com
+++ b/usr/src/lib/libkmf/plugins/kmf_openssl/Makefile.com
@@ -37,8 +37,8 @@ KMFINC=		-I../../../include -I../../../ber_der/inc
 BERLIB=		-lkmf -lkmfberder
 BERLIB64=	$(BERLIB)
 
-OPENSSLLIBS=	$(BERLIB) -lcrypto -lcryptoutil -lc
-OPENSSLLIBS64=	$(BERLIB64) -lcrypto -lcryptoutil -lc
+OPENSSLLIBS=	$(BERLIB) -lsunw_crypto -lcryptoutil -lc
+OPENSSLLIBS64=	$(BERLIB64) -lsunw_crypto -lcryptoutil -lc
 
 LINTSSLLIBS	= $(BERLIB) -lcrypto -lcryptoutil -lc
 LINTSSLLIBS64	= $(BERLIB64) -lcrypto -lcryptoutil -lc
diff --git a/usr/src/lib/libnisdb/db_mindex3.cc b/usr/src/lib/libnisdb/db_mindex3.cc
index 886487f8c5..28182544a4 100644
--- a/usr/src/lib/libnisdb/db_mindex3.cc
+++ b/usr/src/lib/libnisdb/db_mindex3.cc
@@ -282,7 +282,7 @@ entriesFromLDAPthread(void *voidarg) {
 
 	/* Lock to prevent removal */
 	(void) __nis_lock_db_table(arg->tableName, 1, 0,
-					"entriesFromLDAPthread");
+					(char *)"entriesFromLDAPthread");
 
 	/*
 	 * It's possible that the db_mindex for the table has changed,
@@ -314,7 +314,7 @@ entriesFromLDAPthread(void *voidarg) {
 	stat = entriesFromLDAPreal(arg);
 
 	(void) __nis_ulock_db_table(arg->tableName, 1, 0,
-					"entriesFromLDAPthread");
+					(char *)"entriesFromLDAPthread");
 
 	freeQuery(arg->q);
 	if (arg->dirObj != 0)
diff --git a/usr/src/lib/libnisdb/db_table.cc b/usr/src/lib/libnisdb/db_table.cc
index 2995f1a9c9..8044148355 100644
--- a/usr/src/lib/libnisdb/db_table.cc
+++ b/usr/src/lib/libnisdb/db_table.cc
@@ -599,7 +599,7 @@ db_table::setEntryExp(entryp where, entry_obj *obj, int initialLoad) {
 			if (o != 0) {
 				__nis_buffer_t	b = {0, 0};
 
-				bp2buf(myself, &b, "%s.%s",
+				bp2buf(myself, &b, (char *)"%s.%s",
 					o->zo_name, o->zo_domain);
 				t = getObjMapping(b.buf, 0, 1, 0, 0);
 				sfree(b.buf);
@@ -967,7 +967,7 @@ db_table::setEnumMode(long enumNum) {
 		if (stat != DB_SUCCESS) {
 			enumMode.flag = 0;
 			enumCount.flag = 0;
-			logmsg(MSG_NOTIMECHECK, LOG_ERR,
+			logmsg(MSG_NOTIMECHECK, LOG_ERR, (char *)
 		"%s: No memory for enum check array; entry removal disabled",
 				myself);
 		}
diff --git a/usr/src/lib/libnisdb/nis_db.cc b/usr/src/lib/libnisdb/nis_db.cc
index 2908cc99b0..b27889b147 100644
--- a/usr/src/lib/libnisdb/nis_db.cc
+++ b/usr/src/lib/libnisdb/nis_db.cc
@@ -527,7 +527,7 @@ dbFindObject(char *objName, db_status *statP) {
 	/* If not the root dir, find the directory where the entry lives */
 
 	sfree(table);
-	name = entryName(myself, objName, &table);
+	name = entryName((char *)myself, objName, &table);
 	if (name == 0 || table == 0) {
 		sfree(name);
 		RETSTAT(0, DB_MEMORY_LIMIT);
@@ -737,7 +737,7 @@ dbDeleteObj(char *objName) {
 	nod->objType = o->zo_data.zo_type;
 	nis_destroy_object(o);
 
-	nod->objName = sdup(myself, T, objName);
+	nod->objName = sdup((char *)myself, T, objName);
 	if (nod->objName == 0) {
 		sfree(nod);
 		return (DB_MEMORY_LIMIT);
@@ -789,7 +789,7 @@ dbTouchObj(char *objName) {
 
 	sfree(table);
 	table = 0;
-	ent = entryName(myself, objName, &table);
+	ent = entryName((char *)myself, objName, &table);
 	if (ent == 0 || table == 0) {
 		sfree(ent);
 		return (DB_MEMORY_LIMIT);
@@ -989,7 +989,7 @@ dbRefreshObj(char *name, nis_object *o) {
 		int		lstat;
 
 		/* Find parent */
-		ent = entryName(myself, objName, &table);
+		ent = entryName((char *)myself, objName, &table);
 		if (ent == 0 || table == 0) {
 			sfree(b.buf);
 			sfree(objTable);
diff --git a/usr/src/lib/libnsl/common/mapfile-vers b/usr/src/lib/libnsl/common/mapfile-vers
index c8fa67b625..21d6ca76c6 100644
--- a/usr/src/lib/libnsl/common/mapfile-vers
+++ b/usr/src/lib/libnsl/common/mapfile-vers
@@ -21,6 +21,7 @@
 #
 # Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
 # Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
+# Copyright 2015 Joyent, Inc.
 #
 
 #
@@ -467,6 +468,7 @@ $endif
 
 SYMBOL_VERSION SUNWprivate_1.5 {
     global:
+ 	_nsl_brand_set_hooks;
 	clnt_create_service_timed;
 	inet_matchaddr;
 } SUNWprivate_1.4;
diff --git a/usr/src/lib/libnsl/netselect/netselect.c b/usr/src/lib/libnsl/netselect/netselect.c
index 41dfa4909a..fe8611fd13 100644
--- a/usr/src/lib/libnsl/netselect/netselect.c
+++ b/usr/src/lib/libnsl/netselect/netselect.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
  */
 
 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
@@ -32,8 +33,6 @@
  * under license from the Regents of the University of California.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include "mt.h"
 #include "../rpc/rpc_mt.h"		/* for MT declarations only */
 #include <rpc/types.h>
@@ -70,6 +69,9 @@ static struct netconfig *netconfig_dup(struct netconfig *);
 
 extern const char __nsl_dom[];
 
+static int (*brand_get_sz)(void) = NULL;
+static struct netconfig *(*brand_get_net_ent)(int) = NULL;
+
 /*
  *	Static global variables used by the library procedures:
  *
@@ -255,6 +257,14 @@ freenetconfigent(struct netconfig *netp)
 	netconfig_free(netp);
 }
 
+void
+_nsl_brand_set_hooks(int (*set_sz_func)(void),
+    struct netconfig *(*get_ent_func)(int))
+{
+	brand_get_sz = set_sz_func;
+	brand_get_net_ent = get_ent_func;
+}
+
 /*
  *	getnetlist() reads the netconfig file and creates a
  *	NULL-terminated list of entries.
@@ -265,52 +275,73 @@ freenetconfigent(struct netconfig *netp)
 static struct netconfig **
 getnetlist(void)
 {
-	char line[BUFSIZ];	/* holds each line of NETCONFIG */
-	FILE *fp;		/* file stream for NETCONFIG */
+	FILE *fp = NULL;	/* file stream for NETCONFIG */
 	struct netconfig **listpp; /* the beginning of the netconfig list */
 	struct netconfig **tpp;	/* used to traverse the netconfig list */
 	int count;		/* the number of entries in file */
 
-	if ((fp = fopen(NETCONFIG, "rF")) == NULL) {
-		nc_error = NC_OPENFAIL;
-		return (NULL);
-	}
+	if (brand_get_sz != NULL) {
+		count = brand_get_sz();
+	} else {
+		char line[BUFSIZ];	/* holds each line of NETCONFIG */
 
-	count = 0;
-	while (fgets(line, BUFSIZ, fp)) {
-		if (!(blank(line) || comment(line))) {
-			++count;
+		if ((fp = fopen(NETCONFIG, "rF")) == NULL) {
+			nc_error = NC_OPENFAIL;
+			return (NULL);
+		}
+
+		count = 0;
+		while (fgets(line, BUFSIZ, fp)) {
+			if (!(blank(line) || comment(line))) {
+				++count;
+			}
 		}
+		rewind(fp);
 	}
-	rewind(fp);
 
 	if (count == 0) {
 		nc_error = NC_NOTFOUND;
-		(void) fclose(fp);
+		if (fp != NULL)
+			(void) fclose(fp);
 		return (NULL);
 	}
+
 	if ((listpp = malloc((count + 1) *
 	    sizeof (struct netconfig *))) == NULL) {
 		nc_error = NC_NOMEM;
-		(void) fclose(fp);
+		if (fp != NULL)
+			(void) fclose(fp);
 		return (NULL);
 	}
 
-	/*
-	 *	The following loop fills in the list (loops until
-	 *	fgetnetconfig() returns a NULL) and counts the
-	 *	number of entries placed in the list.  Note that
-	 *	when the loop is completed, the last entry in the
-	 *	list will contain a NULL (signifying the end of
-	 *	the list).
-	 */
-	linenum = 0;
-	for (tpp = listpp; *tpp = fgetnetconfig(fp, NULL); tpp++)
-		;
-	(void) fclose(fp);
+	if (brand_get_net_ent != NULL) {
+		int i;
+
+		tpp = listpp;
+		for (i = 0; i < count; i++) {
+			*tpp = brand_get_net_ent(i);
+			tpp++;
+		}
+		*tpp = NULL;
+		nc_error = NC_NOMOREENTRIES;
+	} else {
+		/*
+		 *	The following loop fills in the list (loops until
+		 *	fgetnetconfig() returns a NULL) and counts the
+		 *	number of entries placed in the list.  Note that
+		 *	when the loop is completed, the last entry in the
+		 *	list will contain a NULL (signifying the end of
+		 *	the list).
+		 */
+		linenum = 0;
+		for (tpp = listpp; *tpp = fgetnetconfig(fp, NULL); tpp++)
+			;
+		(void) fclose(fp);
+
+		if (nc_error != NC_NOMOREENTRIES) /* Something is screwed up */
+			netlist_free(&listpp);
+	}
 
-	if (nc_error != NC_NOMOREENTRIES) /* Something is screwed up */
-		netlist_free(&listpp);
 	return (listpp);
 }
 
diff --git a/usr/src/lib/libnvpair/libnvpair.h b/usr/src/lib/libnvpair/libnvpair.h
index b05669e506..197ec37f46 100644
--- a/usr/src/lib/libnvpair/libnvpair.h
+++ b/usr/src/lib/libnvpair/libnvpair.h
@@ -49,6 +49,8 @@ extern int nvpair_value_match_regex(nvpair_t *, int, char *, regex_t *,
 extern void nvlist_print(FILE *, nvlist_t *);
 extern int nvlist_print_json(FILE *, nvlist_t *);
 extern void dump_nvlist(nvlist_t *, int);
+extern int nvlist_dump_json(nvlist_t *, char **);
+extern void nvlist_dump_json_free(nvlist_t *, char *);
 
 /*
  * Private nvlist printing interface that allows the caller some control
diff --git a/usr/src/lib/libnvpair/mapfile-vers b/usr/src/lib/libnvpair/mapfile-vers
index 0403964e05..9b1f048f75 100644
--- a/usr/src/lib/libnvpair/mapfile-vers
+++ b/usr/src/lib/libnvpair/mapfile-vers
@@ -244,6 +244,8 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	dump_nvlist;
 	nvlist_add_hrtime;
 	nvlist_lookup_hrtime;
+	nvlist_dump_json;
+	nvlist_dump_json_free;
 	nvlist_print;
 	nvlist_print_json;
 	nvlist_prt;
diff --git a/usr/src/lib/libnvpair/nvpair_json.c b/usr/src/lib/libnvpair/nvpair_json.c
index 5a317f5f94..e59510726f 100644
--- a/usr/src/lib/libnvpair/nvpair_json.c
+++ b/usr/src/lib/libnvpair/nvpair_json.c
@@ -17,16 +17,72 @@
 #include <strings.h>
 #include <wchar.h>
 #include <sys/debug.h>
+#include <stdarg.h>
+#include <assert.h>
 
 #include "libnvpair.h"
 
-#define	FPRINTF(fp, ...)				\
+#define	FPRINTF(bufp, blen, offp, ...)			\
 	do {						\
-		if (fprintf(fp, __VA_ARGS__) < 0)	\
+		if (nvlist_rasnprintf(bufp, blen, offp,	\
+		    __VA_ARGS__) < 0)			\
 			return (-1);			\
 	} while (0)
 
 /*
+ * A realloc-aware snprintf/asprintf like function.
+ */
+/*PRINTFLIKE4*/
+static int
+nvlist_rasnprintf(char **bufp, size_t *blen, off_t *boff, char *input, ...)
+{
+	int ret;
+	va_list ap;
+	size_t size, asize;
+	char *b;
+
+	if (*bufp == NULL) {
+		assert(*blen == 0);
+		assert(*boff == 0);
+		/* Pick a reasonable starting point, let's say 1k */
+		*blen = 1024;
+		*bufp = malloc(*blen);
+		if (*bufp == NULL)
+			return (-1);
+	}
+
+	size = *blen - *boff;
+	va_start(ap, input);
+	/* E_SEC_PRINTF_VAR_FMT */
+	ret = vsnprintf(*bufp + *boff, size, input, ap);
+	va_end(ap);
+	if (ret < 0) {
+		va_end(ap);
+		return (-1);
+	}
+	if (ret >= size) {
+		asize = *blen;
+		while (ret >= asize)
+			asize += 1024;
+		if ((b = realloc(*bufp, asize)) == NULL)
+			return (-1);
+		*bufp = b;
+		*blen = asize;
+		size = *blen - *boff;
+		va_start(ap, input);
+		/* E_SEC_PRINTF_VAR_FMT */
+		ret = vsnprintf(*bufp + *boff, size, input, ap);
+		va_end(ap);
+		if (ret < 0)
+			return (-1);
+		assert(ret < size);
+	}
+	*boff += ret;
+
+	return (0);
+}
+
+/*
  * When formatting a string for JSON output we must escape certain characters,
  * as described in RFC4627.  This applies to both member names and
  * DATA_TYPE_STRING values.
@@ -43,7 +99,8 @@
  * representable Unicode characters included in their escaped numeric form.
  */
 static int
-nvlist_print_json_string(FILE *fp, const char *input)
+nvlist_print_json_string(const char *input, char **bufp, size_t *blen,
+    off_t *offp)
 {
 	mbstate_t mbr;
 	wchar_t c;
@@ -51,29 +108,29 @@ nvlist_print_json_string(FILE *fp, const char *input)
 
 	bzero(&mbr, sizeof (mbr));
 
-	FPRINTF(fp, "\"");
+	FPRINTF(bufp, blen, offp, "\"");
 	while ((sz = mbrtowc(&c, input, MB_CUR_MAX, &mbr)) > 0) {
 		switch (c) {
 		case '"':
-			FPRINTF(fp, "\\\"");
+			FPRINTF(bufp, blen, offp, "\\\"");
 			break;
 		case '\n':
-			FPRINTF(fp, "\\n");
+			FPRINTF(bufp, blen, offp, "\\n");
 			break;
 		case '\r':
-			FPRINTF(fp, "\\r");
+			FPRINTF(bufp, blen, offp, "\\r");
 			break;
 		case '\\':
-			FPRINTF(fp, "\\\\");
+			FPRINTF(bufp, blen, offp, "\\\\");
 			break;
 		case '\f':
-			FPRINTF(fp, "\\f");
+			FPRINTF(bufp, blen, offp, "\\f");
 			break;
 		case '\t':
-			FPRINTF(fp, "\\t");
+			FPRINTF(bufp, blen, offp, "\\t");
 			break;
 		case '\b':
-			FPRINTF(fp, "\\b");
+			FPRINTF(bufp, blen, offp, "\\b");
 			break;
 		default:
 			if ((c >= 0x00 && c <= 0x1f) ||
@@ -83,13 +140,15 @@ nvlist_print_json_string(FILE *fp, const char *input)
 				 * characters in the Basic Multilingual Plane
 				 * as JSON-escaped multibyte characters.
 				 */
-				FPRINTF(fp, "\\u%04x", (int)(0xffff & c));
+				FPRINTF(bufp, blen, offp, "\\u%04x",
+				    (int)(0xffff & c));
 			} else if (c >= 0x20 && c <= 0x7f) {
 				/*
 				 * Render other 7-bit ASCII characters directly
 				 * and drop other, unrepresentable characters.
 				 */
-				FPRINTF(fp, "%c", (int)(0xff & c));
+				FPRINTF(bufp, blen, offp, "%c",
+				    (int)(0xff & c));
 			}
 			break;
 		}
@@ -104,98 +163,103 @@ nvlist_print_json_string(FILE *fp, const char *input)
 		return (-1);
 	}
 
-	FPRINTF(fp, "\"");
+	FPRINTF(bufp, blen, offp, "\"");
 	return (0);
 }
 
-/*
- * Dump a JSON-formatted representation of an nvlist to the provided FILE *.
- * This routine does not output any new-lines or additional whitespace other
- * than that contained in strings, nor does it call fflush(3C).
- */
-int
-nvlist_print_json(FILE *fp, nvlist_t *nvl)
+static int
+nvlist_do_json(nvlist_t *nvl, char **bufp, size_t *blen, off_t *offp)
 {
 	nvpair_t *curr;
 	boolean_t first = B_TRUE;
 
-	FPRINTF(fp, "{");
+	FPRINTF(bufp, blen, offp, "{");
 
 	for (curr = nvlist_next_nvpair(nvl, NULL); curr;
 	    curr = nvlist_next_nvpair(nvl, curr)) {
 		data_type_t type = nvpair_type(curr);
 
 		if (!first)
-			FPRINTF(fp, ",");
+			FPRINTF(bufp, blen, offp, ",");
 		else
 			first = B_FALSE;
 
-		if (nvlist_print_json_string(fp, nvpair_name(curr)) == -1)
+		if (nvlist_print_json_string(nvpair_name(curr), bufp, blen,
+		    offp) == -1)
 			return (-1);
-		FPRINTF(fp, ":");
+		FPRINTF(bufp, blen, offp, ":");
 
 		switch (type) {
 		case DATA_TYPE_STRING: {
 			char *string = fnvpair_value_string(curr);
-			if (nvlist_print_json_string(fp, string) == -1)
+			if (nvlist_print_json_string(string, bufp, blen,
+			    offp) == -1)
 				return (-1);
 			break;
 		}
 
 		case DATA_TYPE_BOOLEAN: {
-			FPRINTF(fp, "true");
+			FPRINTF(bufp, blen, offp, "true");
 			break;
 		}
 
 		case DATA_TYPE_BOOLEAN_VALUE: {
-			FPRINTF(fp, "%s", fnvpair_value_boolean_value(curr) ==
-			    B_TRUE ? "true" : "false");
+			FPRINTF(bufp, blen, offp, "%s",
+			    fnvpair_value_boolean_value(curr) == B_TRUE ?
+			    "true" : "false");
 			break;
 		}
 
 		case DATA_TYPE_BYTE: {
-			FPRINTF(fp, "%hhu", fnvpair_value_byte(curr));
+			FPRINTF(bufp, blen, offp, "%hhu",
+			    fnvpair_value_byte(curr));
 			break;
 		}
 
 		case DATA_TYPE_INT8: {
-			FPRINTF(fp, "%hhd", fnvpair_value_int8(curr));
+			FPRINTF(bufp, blen, offp, "%hhd",
+			    fnvpair_value_int8(curr));
 			break;
 		}
 
 		case DATA_TYPE_UINT8: {
-			FPRINTF(fp, "%hhu", fnvpair_value_uint8_t(curr));
+			FPRINTF(bufp, blen, offp, "%hhu",
+			    fnvpair_value_uint8_t(curr));
 			break;
 		}
 
 		case DATA_TYPE_INT16: {
-			FPRINTF(fp, "%hd", fnvpair_value_int16(curr));
+			FPRINTF(bufp, blen, offp, "%hd",
+			    fnvpair_value_int16(curr));
 			break;
 		}
 
 		case DATA_TYPE_UINT16: {
-			FPRINTF(fp, "%hu", fnvpair_value_uint16(curr));
+			FPRINTF(bufp, blen, offp, "%hu",
+			    fnvpair_value_uint16(curr));
 			break;
 		}
 
 		case DATA_TYPE_INT32: {
-			FPRINTF(fp, "%d", fnvpair_value_int32(curr));
+			FPRINTF(bufp, blen, offp, "%d",
+			    fnvpair_value_int32(curr));
 			break;
 		}
 
 		case DATA_TYPE_UINT32: {
-			FPRINTF(fp, "%u", fnvpair_value_uint32(curr));
+			FPRINTF(bufp, blen, offp, "%u",
+			    fnvpair_value_uint32(curr));
 			break;
 		}
 
 		case DATA_TYPE_INT64: {
-			FPRINTF(fp, "%lld",
+			FPRINTF(bufp, blen, offp, "%lld",
 			    (long long)fnvpair_value_int64(curr));
 			break;
 		}
 
 		case DATA_TYPE_UINT64: {
-			FPRINTF(fp, "%llu",
+			FPRINTF(bufp, blen, offp, "%llu",
 			    (unsigned long long)fnvpair_value_uint64(curr));
 			break;
 		}
@@ -203,20 +267,21 @@ nvlist_print_json(FILE *fp, nvlist_t *nvl)
 		case DATA_TYPE_HRTIME: {
 			hrtime_t val;
 			VERIFY0(nvpair_value_hrtime(curr, &val));
-			FPRINTF(fp, "%llu", (unsigned long long)val);
+			FPRINTF(bufp, blen, offp, "%llu",
+			    (unsigned long long)val);
 			break;
 		}
 
 		case DATA_TYPE_DOUBLE: {
 			double val;
 			VERIFY0(nvpair_value_double(curr, &val));
-			FPRINTF(fp, "%f", val);
+			FPRINTF(bufp, blen, offp, "%f", val);
 			break;
 		}
 
 		case DATA_TYPE_NVLIST: {
-			if (nvlist_print_json(fp,
-			    fnvpair_value_nvlist(curr)) == -1)
+			if (nvlist_do_json(fnvpair_value_nvlist(curr), bufp,
+			    blen, offp) == -1)
 				return (-1);
 			break;
 		}
@@ -225,14 +290,15 @@ nvlist_print_json(FILE *fp, nvlist_t *nvl)
 			char **val;
 			uint_t valsz, i;
 			VERIFY0(nvpair_value_string_array(curr, &val, &valsz));
-			FPRINTF(fp, "[");
+			FPRINTF(bufp, blen, offp, "[");
 			for (i = 0; i < valsz; i++) {
 				if (i > 0)
-					FPRINTF(fp, ",");
-				if (nvlist_print_json_string(fp, val[i]) == -1)
+					FPRINTF(bufp, blen, offp, ",");
+				if (nvlist_print_json_string(val[i], bufp,
+				    blen, offp) == -1)
 					return (-1);
 			}
-			FPRINTF(fp, "]");
+			FPRINTF(bufp, blen, offp, "]");
 			break;
 		}
 
@@ -240,14 +306,15 @@ nvlist_print_json(FILE *fp, nvlist_t *nvl)
 			nvlist_t **val;
 			uint_t valsz, i;
 			VERIFY0(nvpair_value_nvlist_array(curr, &val, &valsz));
-			FPRINTF(fp, "[");
+			FPRINTF(bufp, blen, offp, "[");
 			for (i = 0; i < valsz; i++) {
 				if (i > 0)
-					FPRINTF(fp, ",");
-				if (nvlist_print_json(fp, val[i]) == -1)
+					FPRINTF(bufp, blen, offp, ",");
+				if (nvlist_do_json(val[i], bufp, blen,
+				    offp) == -1)
 					return (-1);
 			}
-			FPRINTF(fp, "]");
+			FPRINTF(bufp, blen, offp, "]");
 			break;
 		}
 
@@ -255,14 +322,14 @@ nvlist_print_json(FILE *fp, nvlist_t *nvl)
 			boolean_t *val;
 			uint_t valsz, i;
 			VERIFY0(nvpair_value_boolean_array(curr, &val, &valsz));
-			FPRINTF(fp, "[");
+			FPRINTF(bufp, blen, offp, "[");
 			for (i = 0; i < valsz; i++) {
 				if (i > 0)
-					FPRINTF(fp, ",");
-				FPRINTF(fp, val[i] == B_TRUE ?
+					FPRINTF(bufp, blen, offp, ",");
+				FPRINTF(bufp, blen, offp, val[i] == B_TRUE ?
 				    "true" : "false");
 			}
-			FPRINTF(fp, "]");
+			FPRINTF(bufp, blen, offp, "]");
 			break;
 		}
 
@@ -270,13 +337,13 @@ nvlist_print_json(FILE *fp, nvlist_t *nvl)
 			uchar_t *val;
 			uint_t valsz, i;
 			VERIFY0(nvpair_value_byte_array(curr, &val, &valsz));
-			FPRINTF(fp, "[");
+			FPRINTF(bufp, blen, offp, "[");
 			for (i = 0; i < valsz; i++) {
 				if (i > 0)
-					FPRINTF(fp, ",");
-				FPRINTF(fp, "%hhu", val[i]);
+					FPRINTF(bufp, blen, offp, ",");
+				FPRINTF(bufp, blen, offp, "%hhu", val[i]);
 			}
-			FPRINTF(fp, "]");
+			FPRINTF(bufp, blen, offp, "]");
 			break;
 		}
 
@@ -284,13 +351,13 @@ nvlist_print_json(FILE *fp, nvlist_t *nvl)
 			uint8_t *val;
 			uint_t valsz, i;
 			VERIFY0(nvpair_value_uint8_array(curr, &val, &valsz));
-			FPRINTF(fp, "[");
+			FPRINTF(bufp, blen, offp, "[");
 			for (i = 0; i < valsz; i++) {
 				if (i > 0)
-					FPRINTF(fp, ",");
-				FPRINTF(fp, "%hhu", val[i]);
+					FPRINTF(bufp, blen, offp, ",");
+				FPRINTF(bufp, blen, offp, "%hhu", val[i]);
 			}
-			FPRINTF(fp, "]");
+			FPRINTF(bufp, blen, offp, "]");
 			break;
 		}
 
@@ -298,13 +365,13 @@ nvlist_print_json(FILE *fp, nvlist_t *nvl)
 			int8_t *val;
 			uint_t valsz, i;
 			VERIFY0(nvpair_value_int8_array(curr, &val, &valsz));
-			FPRINTF(fp, "[");
+			FPRINTF(bufp, blen, offp, "[");
 			for (i = 0; i < valsz; i++) {
 				if (i > 0)
-					FPRINTF(fp, ",");
-				FPRINTF(fp, "%hd", val[i]);
+					FPRINTF(bufp, blen, offp, ",");
+				FPRINTF(bufp, blen, offp, "%hd", val[i]);
 			}
-			FPRINTF(fp, "]");
+			FPRINTF(bufp, blen, offp, "]");
 			break;
 		}
 
@@ -312,13 +379,13 @@ nvlist_print_json(FILE *fp, nvlist_t *nvl)
 			uint16_t *val;
 			uint_t valsz, i;
 			VERIFY0(nvpair_value_uint16_array(curr, &val, &valsz));
-			FPRINTF(fp, "[");
+			FPRINTF(bufp, blen, offp, "[");
 			for (i = 0; i < valsz; i++) {
 				if (i > 0)
-					FPRINTF(fp, ",");
-				FPRINTF(fp, "%hu", val[i]);
+					FPRINTF(bufp, blen, offp, ",");
+				FPRINTF(bufp, blen, offp, "%hu", val[i]);
 			}
-			FPRINTF(fp, "]");
+			FPRINTF(bufp, blen, offp, "]");
 			break;
 		}
 
@@ -326,13 +393,13 @@ nvlist_print_json(FILE *fp, nvlist_t *nvl)
 			int16_t *val;
 			uint_t valsz, i;
 			VERIFY0(nvpair_value_int16_array(curr, &val, &valsz));
-			FPRINTF(fp, "[");
+			FPRINTF(bufp, blen, offp, "[");
 			for (i = 0; i < valsz; i++) {
 				if (i > 0)
-					FPRINTF(fp, ",");
-				FPRINTF(fp, "%hd", val[i]);
+					FPRINTF(bufp, blen, offp, ",");
+				FPRINTF(bufp, blen, offp, "%hd", val[i]);
 			}
-			FPRINTF(fp, "]");
+			FPRINTF(bufp, blen, offp, "]");
 			break;
 		}
 
@@ -340,13 +407,13 @@ nvlist_print_json(FILE *fp, nvlist_t *nvl)
 			uint32_t *val;
 			uint_t valsz, i;
 			VERIFY0(nvpair_value_uint32_array(curr, &val, &valsz));
-			FPRINTF(fp, "[");
+			FPRINTF(bufp, blen, offp, "[");
 			for (i = 0; i < valsz; i++) {
 				if (i > 0)
-					FPRINTF(fp, ",");
-				FPRINTF(fp, "%u", val[i]);
+					FPRINTF(bufp, blen, offp, ",");
+				FPRINTF(bufp, blen, offp, "%u", val[i]);
 			}
-			FPRINTF(fp, "]");
+			FPRINTF(bufp, blen, offp, "]");
 			break;
 		}
 
@@ -354,13 +421,13 @@ nvlist_print_json(FILE *fp, nvlist_t *nvl)
 			int32_t *val;
 			uint_t valsz, i;
 			VERIFY0(nvpair_value_int32_array(curr, &val, &valsz));
-			FPRINTF(fp, "[");
+			FPRINTF(bufp, blen, offp, "[");
 			for (i = 0; i < valsz; i++) {
 				if (i > 0)
-					FPRINTF(fp, ",");
-				FPRINTF(fp, "%d", val[i]);
+					FPRINTF(bufp, blen, offp, ",");
+				FPRINTF(bufp, blen, offp, "%d", val[i]);
 			}
-			FPRINTF(fp, "]");
+			FPRINTF(bufp, blen, offp, "]");
 			break;
 		}
 
@@ -368,14 +435,14 @@ nvlist_print_json(FILE *fp, nvlist_t *nvl)
 			uint64_t *val;
 			uint_t valsz, i;
 			VERIFY0(nvpair_value_uint64_array(curr, &val, &valsz));
-			FPRINTF(fp, "[");
+			FPRINTF(bufp, blen, offp, "[");
 			for (i = 0; i < valsz; i++) {
 				if (i > 0)
-					FPRINTF(fp, ",");
-				FPRINTF(fp, "%llu",
+					FPRINTF(bufp, blen, offp, ",");
+				FPRINTF(bufp, blen, offp, "%llu",
 				    (unsigned long long)val[i]);
 			}
-			FPRINTF(fp, "]");
+			FPRINTF(bufp, blen, offp, "]");
 			break;
 		}
 
@@ -383,13 +450,14 @@ nvlist_print_json(FILE *fp, nvlist_t *nvl)
 			int64_t *val;
 			uint_t valsz, i;
 			VERIFY0(nvpair_value_int64_array(curr, &val, &valsz));
-			FPRINTF(fp, "[");
+			FPRINTF(bufp, blen, offp, "[");
 			for (i = 0; i < valsz; i++) {
 				if (i > 0)
-					FPRINTF(fp, ",");
-				FPRINTF(fp, "%lld", (long long)val[i]);
+					FPRINTF(bufp, blen, offp, ",");
+				FPRINTF(bufp, blen, offp, "%lld",
+				    (long long)val[i]);
 			}
-			FPRINTF(fp, "]");
+			FPRINTF(bufp, blen, offp, "]");
 			break;
 		}
 
@@ -398,6 +466,41 @@ nvlist_print_json(FILE *fp, nvlist_t *nvl)
 		}
 	}
 
-	FPRINTF(fp, "}");
+	FPRINTF(bufp, blen, offp, "}");
 	return (0);
 }
+
+int
+nvlist_dump_json(nvlist_t *nvl, char **bufp)
+{
+	off_t off = 0;
+	size_t l = 0;
+
+	*bufp = NULL;
+	return (nvlist_do_json(nvl, bufp, &l, &off));
+}
+
+/* ARGSUSED */
+void
+nvlist_dump_json_free(nvlist_t *nvl, char *buf)
+{
+	free(buf);
+}
+
+/*
+ * Dump a JSON-formatted representation of an nvlist to the provided FILE *.
+ * This routine does not output any new-lines or additional whitespace other
+ * than that contained in strings, nor does it call fflush(3C).
+ */
+int
+nvlist_print_json(FILE *fp, nvlist_t *nvl)
+{
+	int ret;
+	char *buf;
+
+	if ((ret = nvlist_dump_json(nvl, &buf)) < 0)
+		return (ret);
+	ret = fprintf(fp, "%s", buf);
+	nvlist_dump_json_free(nvl, buf);
+	return (ret);
+}
diff --git a/usr/src/lib/libpkg/Makefile.com b/usr/src/lib/libpkg/Makefile.com
index 8f56a61423..0106d8288f 100644
--- a/usr/src/lib/libpkg/Makefile.com
+++ b/usr/src/lib/libpkg/Makefile.com
@@ -64,7 +64,7 @@ $(LINTLIB):=	SRCS = $(SRCDIR)/$(LINTSRC)
 LIBS = $(DYNLIB) $(LINTLIB)
 
 
-LDLIBS +=	-lc -lssl -lwanboot -lcrypto -lscf -ladm
+LDLIBS +=	-lc -lsunw_ssl -lwanboot -lsunw_crypto -lscf -ladm
 
 CFLAGS +=	$(CCVERBOSE)
 CERRWARN +=	-_gcc=-Wno-unused-label
diff --git a/usr/src/lib/libproc/common/Pcontrol.c b/usr/src/lib/libproc/common/Pcontrol.c
index 751c0c3f8a..afa04c43c7 100644
--- a/usr/src/lib/libproc/common/Pcontrol.c
+++ b/usr/src/lib/libproc/common/Pcontrol.c
@@ -26,6 +26,7 @@
  * Portions Copyright 2007 Chad Mynhier
  * Copyright 2012 DEY Storage Systems, Inc.  All rights reserved.
  * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #include <assert.h>
@@ -337,10 +338,16 @@ static const ps_ops_t P_live_ops = {
 void
 _libproc_init(void)
 {
+	const char *root;
+
 	_libproc_debug = getenv("LIBPROC_DEBUG") != NULL;
 	_libproc_no_qsort = getenv("LIBPROC_NO_QSORT") != NULL;
 	_libproc_incore_elf = getenv("LIBPROC_INCORE_ELF") != NULL;
 
+	if ((root = zone_get_nroot()) != NULL)
+		(void) snprintf(procfs_path, sizeof (procfs_path), "%s/proc",
+		    root);
+
 	(void) sigfillset(&blockable_sigs);
 	(void) sigdelset(&blockable_sigs, SIGKILL);
 	(void) sigdelset(&blockable_sigs, SIGSTOP);
@@ -1752,6 +1759,9 @@ prldump(const char *caller, lwpstatus_t *lsp)
 	case PR_SUSPENDED:
 		dprintf("%s: SUSPENDED\n", caller);
 		break;
+	case PR_BRAND:
+		dprintf("%s: BRANDPRIVATE (%d)\n", caller, lsp->pr_what);
+		break;
 	default:
 		dprintf("%s: Unknown\n", caller);
 		break;
@@ -1931,6 +1941,7 @@ Pstopstatus(struct ps_prochandle *P,
 	case PR_FAULTED:
 	case PR_JOBCONTROL:
 	case PR_SUSPENDED:
+	case PR_BRAND:
 		break;
 	default:
 		errno = EPROTO;
@@ -3505,6 +3516,7 @@ Lstopstatus(struct ps_lwphandle *L,
 	case PR_FAULTED:
 	case PR_JOBCONTROL:
 	case PR_SUSPENDED:
+	case PR_BRAND:
 		break;
 	default:
 		errno = EPROTO;
diff --git a/usr/src/lib/libproc/common/Pcontrol.h b/usr/src/lib/libproc/common/Pcontrol.h
index 6697d5736b..9e3aa1ac7d 100644
--- a/usr/src/lib/libproc/common/Pcontrol.h
+++ b/usr/src/lib/libproc/common/Pcontrol.h
@@ -24,7 +24,7 @@
  */
 /*
  * Copyright 2012 DEY Storage Systems, Inc.  All rights reserved.
- * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
  * Copyright (c) 2013 by Delphix. All rights reserved.
  */
 
@@ -96,6 +96,7 @@ typedef struct file_info {	/* symbol information for a mapped file */
 	struct map_info *file_map;	/* primary (text) mapping */
 	int	file_ref;	/* references from map_info_t structures */
 	int	file_fd;	/* file descriptor for the mapped file */
+	int	file_dbgfile;	/* file descriptor for the debug file */
 	int	file_init;	/* 0: initialization yet to be performed */
 	GElf_Half file_etype;	/* ELF e_type from ehdr */
 	GElf_Half file_class;	/* ELF e_ident[EI_CLASS] from ehdr */
@@ -105,6 +106,7 @@ typedef struct file_info {	/* symbol information for a mapped file */
 	char	*file_rname;	/* resolved on-disk object pathname */
 	char	*file_rbase;	/* pointer to basename of file_rname */
 	Elf	*file_elf;	/* ELF handle so we can close */
+	Elf	*file_dbgelf;	/* Debug ELF handle so we can close */
 	void	*file_elfmem;	/* data for faked-up ELF handle */
 	sym_tbl_t file_symtab;	/* symbol table */
 	sym_tbl_t file_dynsym;	/* dynamic symbol table */
diff --git a/usr/src/lib/libproc/common/Pcore.c b/usr/src/lib/libproc/common/Pcore.c
index c899ee1b20..454360a8b4 100644
--- a/usr/src/lib/libproc/common/Pcore.c
+++ b/usr/src/lib/libproc/common/Pcore.c
@@ -2695,6 +2695,7 @@ Pfgrab_core(int core_fd, const char *aout_path, int *perr)
 
 			fp->file_ref = 1;
 			fp->file_fd = -1;
+			fp->file_dbgfile = -1;
 
 			fp->file_lo = malloc(sizeof (rd_loadobj_t));
 			fp->file_lname = strdup(execname);
diff --git a/usr/src/lib/libproc/common/Pidle.c b/usr/src/lib/libproc/common/Pidle.c
index 3191f4fa7e..c69bcaf860 100644
--- a/usr/src/lib/libproc/common/Pidle.c
+++ b/usr/src/lib/libproc/common/Pidle.c
@@ -226,6 +226,7 @@ Pgrab_file(const char *fname, int *perr)
 	}
 
 	fp->file_fd = fd;
+	fp->file_dbgfile = -1;
 	fp->file_lo->rl_lmident = LM_ID_BASE;
 	if ((fp->file_lname = strdup(fp->file_pname)) == NULL) {
 		*perr = G_STRANGE;
diff --git a/usr/src/lib/libproc/common/Psymtab.c b/usr/src/lib/libproc/common/Psymtab.c
index 62354f9a7b..a3e0d07ae2 100644
--- a/usr/src/lib/libproc/common/Psymtab.c
+++ b/usr/src/lib/libproc/common/Psymtab.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
  * Copyright (c) 2013 by Delphix. All rights reserved.
  */
 
@@ -43,6 +43,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/sysmacros.h>
+#include <sys/crc32.h>
 
 #include "libproc.h"
 #include "Pcontrol.h"
@@ -61,6 +62,7 @@ static int read_ehdr32(struct ps_prochandle *, Elf32_Ehdr *, uint_t *,
 static int read_ehdr64(struct ps_prochandle *, Elf64_Ehdr *, uint_t *,
     uintptr_t);
 #endif
+static uint32_t psym_crc32[] = { CRC32_TABLE };
 
 #define	DATA_TYPES	\
 	((1 << STT_OBJECT) | (1 << STT_FUNC) | \
@@ -184,6 +186,7 @@ file_info_new(struct ps_prochandle *P, map_info_t *mptr)
 	mptr->map_file = fptr;
 	fptr->file_ref = 1;
 	fptr->file_fd = -1;
+	fptr->file_dbgfile = -1;
 	P->num_files++;
 
 	/*
@@ -274,6 +277,10 @@ file_info_free(struct ps_prochandle *P, file_info_t *fptr)
 			free(fptr->file_elfmem);
 		if (fptr->file_fd >= 0)
 			(void) close(fptr->file_fd);
+		if (fptr->file_dbgelf)
+			(void) elf_end(fptr->file_dbgelf);
+		if (fptr->file_dbgfile >= 0)
+			(void) close(fptr->file_dbgfile);
 		if (fptr->file_ctfp) {
 			ctf_close(fptr->file_ctfp);
 			free(fptr->file_ctf_buf);
@@ -1567,6 +1574,170 @@ build_fake_elf(struct ps_prochandle *P, file_info_t *fptr, GElf_Ehdr *ehdr,
 }
 
 /*
+ * Try and find the file described by path in the file system and validate that
+ * it matches our CRC before we try and process it for symbol information.
+ *
+ * Before we valiate if it's a crc, we check to ensure that it's a normal file
+ * and not anything else.
+ */
+static boolean_t
+build_alt_debug(file_info_t *fptr, const char *path, uint32_t crc)
+{
+	int fd;
+	struct stat st;
+	Elf *elf;
+	Elf_Scn *scn;
+	GElf_Shdr symshdr, strshdr;
+	Elf_Data *symdata, *strdata;
+	uint32_t c = -1U;
+
+	if ((fd = open(path, O_RDONLY)) < 0)
+		return (B_FALSE);
+
+	if (fstat(fd, &st) != 0) {
+		(void) close(fd);
+		return (B_FALSE);
+	}
+
+	if (S_ISREG(st.st_mode) == 0) {
+		(void) close(fd);
+		return (B_FALSE);
+	}
+
+	for (;;) {
+		char buf[4096];
+		ssize_t ret = read(fd, buf, sizeof (buf));
+		if (ret == -1) {
+			if (ret == EINTR)
+				continue;
+			(void) close(fd);
+			return (B_FALSE);
+		}
+		if (ret == 0) {
+			c = ~c;
+			if (c != crc) {
+				dprintf("crc mismatch, found: 0x%x "
+				    "expected 0x%x\n", c, crc);
+				(void) close(fd);
+				return (B_FALSE);
+			}
+			break;
+		}
+		CRC32(c, buf, ret, c, psym_crc32);
+	}
+
+	elf = elf_begin(fd, ELF_C_READ, NULL);
+	if (elf == NULL) {
+		(void) close(fd);
+		return (B_FALSE);
+	}
+
+	if (elf_kind(elf) != ELF_K_ELF) {
+		goto fail;
+	}
+
+	/*
+	 * Do two passes, first see if we have a symbol header, then see if we
+	 * can find the corresponding linked string table.
+	 */
+	scn = NULL;
+	for (scn = elf_nextscn(elf, scn); scn != NULL;
+	    scn = elf_nextscn(elf, scn)) {
+
+		if (gelf_getshdr(scn, &symshdr) == NULL)
+			goto fail;
+
+		if (symshdr.sh_type != SHT_SYMTAB)
+			continue;
+
+		if ((symdata = elf_getdata(scn, NULL)) == NULL)
+			goto fail;
+
+		break;
+	}
+	if (scn == NULL)
+		goto fail;
+
+	if ((scn = elf_getscn(elf, symshdr.sh_link)) == NULL)
+		goto fail;
+
+	if (gelf_getshdr(scn, &strshdr) == NULL)
+		goto fail;
+
+	if ((strdata = elf_getdata(scn, NULL)) == NULL)
+		goto fail;
+
+	fptr->file_symtab.sym_data_pri = symdata;
+	fptr->file_symtab.sym_symn += symshdr.sh_size / symshdr.sh_entsize;
+	fptr->file_symtab.sym_strs = strdata->d_buf;
+	fptr->file_symtab.sym_strsz = strdata->d_size;
+	fptr->file_symtab.sym_hdr_pri = symshdr;
+	fptr->file_symtab.sym_strhdr = strshdr;
+
+	dprintf("successfully loaded additional debug symbols for %s from %s\n",
+	    fptr->file_rname, path);
+
+	fptr->file_dbgfile = fd;
+	fptr->file_dbgelf = elf;
+	return (B_TRUE);
+fail:
+	(void) elf_end(elf);
+	(void) close(fd);
+	return (B_FALSE);
+}
+
+/*
+ * We're here because the object in question has no symbol information, that's a
+ * bit unfortunate. However, we've found that there's a .gnu_debuglink sitting
+ * around. By convention that means that given the current location of the
+ * object on disk, and the debug name that we found in the binary we need to
+ * search the following locations for a matching file.
+ *
+ * <dirname>/.debug/<debug-name>
+ * /usr/lib/debug/<dirname>/<debug-name>
+ *
+ * In the future, we should consider supporting looking in the prefix's
+ * lib/debug directory for a matching object.
+ */
+static void
+find_alt_debug(file_info_t *fptr, const char *name, uint32_t crc)
+{
+	boolean_t r;
+	char *dup = NULL, *path = NULL, *dname;
+
+	dprintf("find_alt_debug: looking for %s, crc 0x%x\n", name, crc);
+	if (fptr->file_rname == NULL) {
+		dprintf("find_alt_debug: encountered null file_rname\n");
+		return;
+	}
+
+	dup = strdup(fptr->file_rname);
+	if (dup == NULL)
+		return;
+
+	dname = dirname(dup);
+	if (asprintf(&path, "%s/.debug/%s", dname, name) != -1) {
+		dprintf("attempting to load alternate debug information "
+		    "from %s\n", path);
+		r = build_alt_debug(fptr, path, crc);
+		free(path);
+		if (r == B_TRUE)
+			goto out;
+	}
+
+	if (asprintf(&path, "/usr/lib/debug/%s/%s", dname, name) != -1) {
+		dprintf("attempting to load alternate debug information "
+		    "from %s\n", path);
+		r = build_alt_debug(fptr, path, crc);
+		free(path);
+		if (r == B_TRUE)
+			goto out;
+	}
+out:
+	free(dup);
+}
+
+/*
  * Build the symbol table for the given mapped file.
  */
 void
@@ -1587,7 +1758,8 @@ Pbuild_file_symtab(struct ps_prochandle *P, file_info_t *fptr)
 		GElf_Shdr c_shdr;
 		Elf_Data *c_data;
 		const char *c_name;
-	} *cp, *cache = NULL, *dyn = NULL, *plt = NULL, *ctf = NULL;
+	} *cp, *cache = NULL, *dyn = NULL, *plt = NULL, *ctf = NULL,
+	*dbglink = NULL;
 
 	if (fptr->file_init)
 		return;	/* We've already processed this file */
@@ -1813,7 +1985,69 @@ Pbuild_file_symtab(struct ps_prochandle *P, file_info_t *fptr)
 				continue;
 			}
 			ctf = cp;
+		} else if (strcmp(cp->c_name, ".gnu_debuglink") == 0) {
+			dprintf("found .gnu_debuglink section for %s\n",
+			    fptr->file_rname);
+			/*
+			 * Let's make sure of a few things before we do this.
+			 */
+			if (cp->c_shdr.sh_type == SHT_PROGBITS &&
+			    cp->c_data->d_buf != NULL) {
+				dprintf(".gnu_debuglink pases initial "
+				    "sanity\n");
+				dbglink = cp;
+			}
+		}
+	}
+
+	/*
+	 * If we haven't found any symbol table information and we have found a
+	 * .gnu_debuglink, it's time to try and figure out where we might find
+	 * this. To do so, we're going to first verify that the elf data seems
+	 * somewhat sane, eg. the elf data should be a string, so we want to
+	 * verify we have a null-terminator.
+	 */
+	if (fptr->file_symtab.sym_data_pri == NULL && dbglink != NULL) {
+		char *c = dbglink->c_data->d_buf;
+		size_t i;
+		boolean_t found = B_FALSE;
+		Elf_Data *ed = dbglink->c_data;
+		uint32_t crc;
+
+		for (i = 0; i < ed->d_size; i++) {
+			if (c[i] == '\0') {
+				uintptr_t off;
+				dprintf("got .gnu_debuglink terminator at "
+				    "offset %lu\n", (unsigned long)i);
+				/*
+				 * After the null terminator, there should be
+				 * padding, followed by a 4 byte CRC of the
+				 * file. If we don't see this, we're going to
+				 * assume this is bogus.
+				 */
+				if ((i % sizeof (uint32_t)) == 0) {
+					i += 4;
+				} else {
+					i += sizeof (uint32_t) -
+					    (i % sizeof (uint32_t));
+				}
+				if (i + sizeof (uint32_t) ==
+				    dbglink->c_data->d_size) {
+					found = B_TRUE;
+					off = (uintptr_t)ed->d_buf + i;
+					crc = *(uint32_t *)off;
+				} else {
+					dprintf(".gnu_debuglink size mismatch, "
+					    "expected: %lu, found: %lu\n",
+					    (unsigned long)i,
+					    (unsigned long)ed->d_size);
+				}
+				break;
+			}
 		}
+
+		if (found == B_TRUE)
+			find_alt_debug(fptr, dbglink->c_data->d_buf, crc);
 	}
 
 	/*
@@ -1943,7 +2177,13 @@ bad:
 		fptr->file_elfmem = NULL;
 	}
 	(void) close(fptr->file_fd);
+	if (fptr->file_dbgelf != NULL)
+		(void) elf_end(fptr->file_dbgelf);
+	fptr->file_dbgelf = NULL;
+	if (fptr->file_dbgfile >= 0)
+		(void) close(fptr->file_dbgfile);
 	fptr->file_fd = -1;
+	fptr->file_dbgfile = -1;
 }
 
 /*
diff --git a/usr/src/lib/libproc/common/Psymtab_machelf32.c b/usr/src/lib/libproc/common/Psymtab_machelf32.c
index 13ee1ac8de..1e85b39179 100644
--- a/usr/src/lib/libproc/common/Psymtab_machelf32.c
+++ b/usr/src/lib/libproc/common/Psymtab_machelf32.c
@@ -24,6 +24,10 @@
  * Use is subject to license terms.
  */
 
+/*
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
+ */
+
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -635,7 +639,7 @@ done_with_plt:
 		if (Pread(P, &ndx, sizeof (ndx), (uintptr_t)hash) !=
 		    sizeof (ndx)) {
 			dprintf("Pread of .hash at %lx failed\n", (long)hash);
-			goto bad;
+			goto badplt;
 		}
 
 		while (ndx) {
@@ -643,7 +647,7 @@ done_with_plt:
 			    (uintptr_t)&symtabptr[ndx]) != sizeof (sym)) {
 				dprintf("Pread of .symtab at %lx failed\n",
 				    (long)&symtabptr[ndx]);
-				goto bad;
+				goto badplt;
 			}
 
 			strtabname = strtabptr + sym.st_name;
@@ -651,7 +655,7 @@ done_with_plt:
 			    strtabname) < 0) {
 				dprintf("Pread of .strtab at %lx failed\n",
 				    (long)strtabname);
-				goto bad;
+				goto badplt;
 			}
 
 			if (strcmp("_PROCEDURE_LINKAGE_TABLE_", strbuf) == 0)
@@ -662,7 +666,7 @@ done_with_plt:
 			    sizeof (ndx)) {
 				dprintf("Pread of .hash at %lx failed\n",
 				    (long)hash);
-				goto bad;
+				goto badplt;
 			}
 		}
 
@@ -678,7 +682,7 @@ done_with_plt:
 		if (ndx == 0) {
 			dprintf(
 			    "Failed to find \"_PROCEDURE_LINKAGE_TABLE_\"\n");
-			goto bad;
+			goto badplt;
 		}
 
 		sp->sh_name = SHSTR_NDX_plt;
@@ -698,12 +702,13 @@ done_with_plt:
 		    sp->sh_size) {
 			dprintf("failed to read .plt at %lx\n",
 			    (long)sp->sh_addr);
-			goto bad;
+			goto badplt;
 		}
 		off += roundup(sp->sh_size, SH_ADDRALIGN);
 		sp++;
 	}
 
+badplt:
 	/* make sure we didn't write past the end of allocated memory */
 	sp++;
 	assert(((uintptr_t)(sp) - 1) < ((uintptr_t)elfdata + size));
diff --git a/usr/src/lib/libproc/common/Pzone.c b/usr/src/lib/libproc/common/Pzone.c
index 3c4999bbe4..c8e2bfcd02 100644
--- a/usr/src/lib/libproc/common/Pzone.c
+++ b/usr/src/lib/libproc/common/Pzone.c
@@ -28,6 +28,9 @@
  * Copyright (c) 2013 by Delphix. All rights reserved.
  */
 
+/*
+ * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ */
 #include <assert.h>
 #include <dlfcn.h>
 #include <errno.h>
diff --git a/usr/src/lib/librename/Makefile b/usr/src/lib/librename/Makefile
new file mode 100644
index 0000000000..222523d9a1
--- /dev/null
+++ b/usr/src/lib/librename/Makefile
@@ -0,0 +1,44 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include		../Makefile.lib
+
+HDRS =		librename.h
+HDRDIR =	common
+SUBDIRS =	$(MACH)
+$(BUILD64)SUBDIRS +=	$(MACH64)
+
+all :=		TARGET = all
+clean :=	TARGET = clean
+clobber :=	TARGET = clobber
+install :=	TARGET = install
+lint :=		TARGET = lint
+
+.KEEP_STATE:
+
+all clean clobber lint: $(SUBDIRS)
+
+install: 	$(SUBDIRS) $(VARPD_MAPFILES) install_h
+
+install_h: 	$(ROOTHDRS)
+
+check:		$(CHECKHDRS)
+
+$(SUBDIRS):  FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
+
+include ../Makefile.targ
diff --git a/usr/src/lib/librename/Makefile.com b/usr/src/lib/librename/Makefile.com
new file mode 100644
index 0000000000..f0a22f25ac
--- /dev/null
+++ b/usr/src/lib/librename/Makefile.com
@@ -0,0 +1,34 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+LIBRARY =	librename.a
+VERS =		.1
+OBJECTS =	librename.o \
+
+include ../../Makefile.lib
+
+LIBS =		$(DYNLIB) $(LINTLIB)
+LDLIBS +=	-lc
+CPPFLAGS +=	-I../common
+
+SRCDIR =	../common
+
+.KEEP_STATE:
+
+all:	$(LIBS)
+
+lint:	lintcheck
+
+include ../../Makefile.targ
diff --git a/usr/src/lib/librename/amd64/Makefile b/usr/src/lib/librename/amd64/Makefile
new file mode 100644
index 0000000000..15d904c616
--- /dev/null
+++ b/usr/src/lib/librename/amd64/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.com
+include ../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/librename/common/librename.c b/usr/src/lib/librename/common/librename.c
new file mode 100644
index 0000000000..1e198a50a3
--- /dev/null
+++ b/usr/src/lib/librename/common/librename.c
@@ -0,0 +1,229 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Implementation of librename(3RENAME) interfaces.
+ */
+
+#include <librename.h>
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <synch.h>
+
+typedef enum librename_atomic_state {
+	LIBRENAME_ATOMIC_INITIAL = 0x0,
+	LIBRENAME_ATOMIC_FSYNC,
+	LIBRENAME_ATOMIC_RENAME,
+	LIBRENAME_ATOMIC_POSTSYNC,
+	LIBRENAME_ATOMIC_COMPLETED
+} librename_atomic_state_t;
+
+struct librename_atomic {
+	char *lra_fname;			/* RO */
+	char *lra_altname;			/* RO */
+	int lra_dirfd;				/* RO */
+	int lra_tmpfd;				/* RO */
+	mutex_t lra_lock;
+	librename_atomic_state_t lra_state;	/* lra_lock */
+};
+
+int
+librename_atomic_fdinit(int fd, const char *file, const char *prefix,
+    int mode, int flags, librename_atomic_t **outp)
+{
+	int ret;
+	int oflags;
+	librename_atomic_t *lrap;
+	struct stat st;
+
+	if (fd < 0 || file == NULL || outp == NULL)
+		return (EINVAL);
+
+	if (flags & ~(LIBRENAME_ATOMIC_NOUNLINK | LIBRENAME_ATOMIC_CLOEXEC))
+		return (EINVAL);
+
+	if (strchr(file, '/') != NULL)
+		return (EINVAL);
+
+	if (prefix != NULL && strchr(prefix, '/') != NULL)
+		return (EINVAL);
+
+	*outp = NULL;
+	lrap = malloc(sizeof (librename_atomic_t));
+	if (lrap == NULL)
+		return (errno);
+
+	if (fstat(fd, &st) != 0) {
+		ret = errno;
+		free(lrap);
+		return (ret);
+	}
+
+	if (!S_ISDIR(st.st_mode)) {
+		free(lrap);
+		return (ENOTDIR);
+	}
+
+	if ((lrap->lra_dirfd = dup(fd)) == -1) {
+		ret = errno;
+		free(lrap);
+		return (ret);
+	}
+
+
+	lrap->lra_fname = strdup(file);
+	if (lrap->lra_fname == NULL) {
+		ret = errno;
+		if (close(lrap->lra_dirfd) != 0)
+			abort();
+		free(lrap);
+		return (ret);
+	}
+
+	if (prefix == NULL) {
+		ret = asprintf(&lrap->lra_altname, ".%d.%s", (int)getpid(),
+		    file);
+	} else {
+		ret = asprintf(&lrap->lra_altname, "%s%s", prefix, file);
+	}
+	if (ret == -1) {
+		ret = errno;
+		free(lrap->lra_fname);
+		if (close(lrap->lra_dirfd) != 0)
+			abort();
+		free(lrap);
+		return (errno);
+	}
+
+	oflags = O_CREAT | O_TRUNC | O_RDWR | O_NOFOLLOW;
+	if (flags & LIBRENAME_ATOMIC_NOUNLINK)
+		oflags |= O_EXCL;
+
+	if (flags & LIBRENAME_ATOMIC_CLOEXEC)
+		oflags |= O_CLOEXEC;
+
+	lrap->lra_tmpfd = openat(lrap->lra_dirfd, lrap->lra_altname,
+	    oflags, mode);
+	if (lrap->lra_tmpfd < 0) {
+		ret = errno;
+		free(lrap->lra_altname);
+		free(lrap->lra_fname);
+		if (close(lrap->lra_dirfd) != 0)
+			abort();
+		free(lrap);
+		return (ret);
+	}
+
+	if (mutex_init(&lrap->lra_lock, USYNC_THREAD, NULL) != 0)
+		abort();
+
+	lrap->lra_state = LIBRENAME_ATOMIC_INITIAL;
+	*outp = lrap;
+	return (0);
+}
+
+int
+librename_atomic_init(const char *dir, const char *file, const char *prefix,
+    int mode, int flags, librename_atomic_t **outp)
+{
+	int fd, ret;
+
+	if ((fd = open(dir, O_RDONLY)) < 0)
+		return (errno);
+
+	ret = librename_atomic_fdinit(fd, file, prefix, mode, flags, outp);
+	if (close(fd) != 0)
+		abort();
+
+	return (ret);
+}
+
+int
+librename_atomic_fd(librename_atomic_t *lrap)
+{
+	return (lrap->lra_tmpfd);
+}
+
+/*
+ * To atomically commit a file, we need to go through and do the following:
+ *
+ *  o fsync the source
+ *  o run rename
+ *  o fsync the source again and the directory.
+ */
+int
+librename_atomic_commit(librename_atomic_t *lrap)
+{
+	int ret = 0;
+
+	if (mutex_lock(&lrap->lra_lock) != 0)
+		abort();
+	if (lrap->lra_state == LIBRENAME_ATOMIC_COMPLETED) {
+		ret = EINVAL;
+		goto out;
+	}
+
+	if (fsync(lrap->lra_tmpfd) != 0) {
+		ret = errno;
+		goto out;
+	}
+	lrap->lra_state = LIBRENAME_ATOMIC_FSYNC;
+
+	if (renameat(lrap->lra_dirfd, lrap->lra_altname, lrap->lra_dirfd,
+	    lrap->lra_fname) != 0) {
+		ret = errno;
+		goto out;
+	}
+	lrap->lra_state = LIBRENAME_ATOMIC_RENAME;
+
+	if (fsync(lrap->lra_tmpfd) != 0) {
+		ret = errno;
+		goto out;
+	}
+	lrap->lra_state = LIBRENAME_ATOMIC_POSTSYNC;
+
+	if (fsync(lrap->lra_dirfd) != 0) {
+		ret = errno;
+		goto out;
+	}
+	lrap->lra_state = LIBRENAME_ATOMIC_COMPLETED;
+
+out:
+	if (mutex_unlock(&lrap->lra_lock) != 0)
+		abort();
+	return (ret);
+}
+
+void
+librename_atomic_fini(librename_atomic_t *lrap)
+{
+
+	free(lrap->lra_altname);
+	free(lrap->lra_fname);
+	if (close(lrap->lra_tmpfd) != 0)
+		abort();
+	if (close(lrap->lra_dirfd) != 0)
+		abort();
+	if (mutex_destroy(&lrap->lra_lock) != 0)
+		abort();
+	free(lrap);
+}
diff --git a/usr/src/lib/librename/common/librename.h b/usr/src/lib/librename/common/librename.h
new file mode 100644
index 0000000000..cb344f534c
--- /dev/null
+++ b/usr/src/lib/librename/common/librename.h
@@ -0,0 +1,43 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _LIBRENAME_H
+#define	_LIBRENAME_H
+
+/*
+ * librename(3RENAME) public interfaces
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct librename_atomic librename_atomic_t;
+
+#define	LIBRENAME_ATOMIC_NOUNLINK	0x01
+#define	LIBRENAME_ATOMIC_CLOEXEC	0x02
+extern int librename_atomic_init(const char *, const char *, const char *,
+    int, int, librename_atomic_t **);
+extern int librename_atomic_fdinit(int, const char *, const char *, int, int,
+    librename_atomic_t **);
+extern int librename_atomic_fd(librename_atomic_t *);
+extern int librename_atomic_commit(librename_atomic_t *);
+extern void librename_atomic_fini(librename_atomic_t *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBRENAME_H */
diff --git a/usr/src/lib/librename/common/llib-lrename b/usr/src/lib/librename/common/llib-lrename
new file mode 100644
index 0000000000..6f1dd81a7b
--- /dev/null
+++ b/usr/src/lib/librename/common/llib-lrename
@@ -0,0 +1,19 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/* LINTLIBRARY */
+/* PROTOLIB1 */
+
+#include <librename.h>
diff --git a/usr/src/lib/librename/common/mapfile-vers b/usr/src/lib/librename/common/mapfile-vers
new file mode 100644
index 0000000000..af98188b42
--- /dev/null
+++ b/usr/src/lib/librename/common/mapfile-vers
@@ -0,0 +1,41 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+SYMBOL_VERSION ILLUMOSprivate {
+    global:
+	librename_atomic_commit;
+	librename_atomic_fd;
+	librename_atomic_fdinit;
+	librename_atomic_fini;
+	librename_atomic_init;
+    local:
+	*;
+};
diff --git a/usr/src/lib/librename/i386/Makefile b/usr/src/lib/librename/i386/Makefile
new file mode 100644
index 0000000000..41e699e8f8
--- /dev/null
+++ b/usr/src/lib/librename/i386/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/librename/sparc/Makefile b/usr/src/lib/librename/sparc/Makefile
new file mode 100644
index 0000000000..41e699e8f8
--- /dev/null
+++ b/usr/src/lib/librename/sparc/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/librename/sparcv9/Makefile b/usr/src/lib/librename/sparcv9/Makefile
new file mode 100644
index 0000000000..15d904c616
--- /dev/null
+++ b/usr/src/lib/librename/sparcv9/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.com
+include ../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/libresolv2_joy/Makefile b/usr/src/lib/libresolv2_joy/Makefile
new file mode 100644
index 0000000000..052dfdd092
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/Makefile
@@ -0,0 +1,76 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved.
+#
+
+
+include		../../Makefile.master
+include		../Makefile.lib
+
+$(ROOTSVCMETHOD) :=	FILEMODE = 0555
+
+SUBDIRS=	include $(MACH)
+$(BUILD64)SUBDIRS +=	$(MACH64)
+
+all :=		TARGET= all
+clean :=	TARGET= clean
+clobber :=	TARGET= clobber
+install :=	TARGET= install
+lint :=		TARGET= lint
+_msg :=		TARGET= _msg
+
+LIBRARY= 	libresolv_joy.a
+TEXT_DOMAIN=	SUNW_OST_OSLIB
+XGETFLAGS=	-a
+POFILE=		$(LIBRARY:.a=.po)
+POFILES=	generic.po
+
+SED=	sed
+GREP=	grep
+
+.KEEP_STATE:
+
+all clean clobber lint: $(SUBDIRS)
+
+install: $(SUBDIRS)
+
+check: $(CHECKHDRS) $(CHKMANIFEST)
+
+_msg:	$(MSGDOMAIN) $(POFILE)
+	$(RM) $(MSGDOMAIN)/$(POFILE)
+	$(CP) $(POFILE) $(MSGDOMAIN)
+
+$(POFILE):	$(POFILES)
+	$(RM) $@
+	$(CAT) $(POFILES) > $@
+
+$(POFILES):
+	$(RM) messages.po
+	$(XGETTEXT) $(XGETFLAGS) *.[ch]* */*.[ch]*
+	$(SED) -e '/^# msg/d' -e '/^domain/d' messages.po > $@
+	$(RM) messages.po
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET); echo
+
+FRC:
+
diff --git a/usr/src/lib/libresolv2_joy/Makefile.com b/usr/src/lib/libresolv2_joy/Makefile.com
new file mode 100644
index 0000000000..bbabcbcede
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/Makefile.com
@@ -0,0 +1,162 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+#
+
+LIBRARY= libresolv_joy.a
+VERS= .2
+
+BSDOBJS=   	daemon.o	putenv.o	strcasecmp.o	strsep.o \
+		ftruncate.o	readv.o		strdup.o	strtoul.o \
+		gettimeofday.o	setenv.o	strerror.o	utimes.o \
+		mktemp.o	setitimer.o	strpbrk.o	writev.o
+
+DSTOBJS=	dst_api.o	support.o	hmac_link.o 
+
+# inet_addr, inet_pton, inet_ntop, and inet_ntoa removed due to overlap with 
+# libnsl
+INETOBJS= 	inet_net_pton.o	inet_neta.o	inet_lnaof.o \
+		inet_netof.o 	nsap_addr.o	inet_makeaddr.o	\
+		inet_network.o	inet_net_ntop.o	inet_cidr_ntop.o \
+		inet_cidr_pton.o 		inet_data.o
+
+# build only the IRS objects that the ISC libbind's make would 
+IRSTHROBJS=	gethostent_r.o	getnetent_r.o 	getnetgrent_r.o \
+		getprotoent_r.o	getservent_r.o
+IRSOBJS=	${IRSTHROBJS} \
+		dns.o		dns_ho.o	dns_nw.o	dns_pr.o \
+		dns_sv.o	gai_strerror.o	gen.o		gen_ho.o \
+		gen_ng.o	gen_nw.o	gen_pr.o	gen_sv.o \
+		getaddrinfo.o	gethostent.o	getnameinfo.o	getnetent.o \
+		getnetgrent.o	getprotoent.o	getservent.o 	hesiod.o \
+		irp.o		irp_ho.o	irp_ng.o 	irp_nw.o \
+		irp_pr.o	irp_sv.o	irpmarshall.o	irs_data.o \
+		lcl.o		lcl_ho.o	lcl_ng.o	lcl_nw.o \
+		lcl_pr.o 	lcl_sv.o	nis.o		nul_ng.o \
+		util.o
+
+ISCOBJS=	assertions.o	base64.o	bitncmp.o	ctl_clnt.o \
+		ctl_p.o 	ctl_srvr.o	ev_connects.o	ev_files.o \
+		ev_streams.o	ev_timers.o	ev_waits.o	eventlib.o \
+		heap.o		hex.o 		logging.o	memcluster.o \
+		movefile.o	tree.o
+
+NAMESEROBJS=	ns_date.o	ns_name.o	ns_netint.o	ns_parse.o \
+		ns_print.o	ns_samedomain.o	ns_sign.o	ns_ttl.o \
+		ns_verify.o	ns_rdata.o	ns_newmsg.o
+
+RESOLVOBJS=	herror.o	mtctxres.o	res_comp.o	res_data.o \
+		res_debug.o	res_findzonecut.o		res_init.o \
+		res_mkquery.o	res_mkupdate.o	res_query.o	res_send.o \
+		res_sendsigned.o		res_update.o
+
+SUNWOBJS=	sunw_mtctxres.o	sunw_updrec.o sunw_wrappers.o
+
+OBJECTS=	$(BSDOBJS) $(DSTOBJS) $(INETOBJS) $(IRSOBJS) $(ISCOBJS) \
+		$(NAMESEROBJS) $(RESOLVOBJS) $(SUNWOBJS)
+
+# include library definitions
+include ../../Makefile.lib
+
+# install this library in the root filesystem
+include ../../Makefile.rootfs
+
+# CC -v complains about things we aren't going to change in the ISC code
+CCVERBOSE=
+
+SRCDIR =	../common
+SRCS=		$(BSDOBJS:%.o=../common/bsd/%.c) \
+		$(DSTOBJS:%.o=../common/dst/%.c) \
+		$(INETOBJS:%.o=../common/inet/%.c) \
+		$(IRSOBJS:%.o=../common/irs/%.c) \
+		$(ISCOBJS:%.o=../common/isc/%.c) \
+		$(NAMESEROBJS:%.o=../common/nameser/%.c) \
+		$(RESOLVOBJS:%.o=../common/resolv/%.c) \
+		$(SUNWOBJS:%.o=../common/sunw/%.c)
+
+LIBS =		$(DYNLIB) $(LINTLIB)
+
+$(LINTLIB):= 	SRCS = ../common/llib-lresolv_joy
+
+# Local Libresolv definitions
+
+SOLCOMPAT =	-Dsocket=_socket
+CRYPTFLAGS=	-DHMAC_MD5 -DUSE_MD5
+
+LOCFLAGS +=	$(CRYPTFLAGS)
+LOCFLAGS +=	-D_SYS_STREAM_H -D_REENTRANT -DSVR4 -DSUNW_OPTIONS \
+		$(SOLCOMPAT) -I../include -I../../common/inc
+
+CPPFLAGS +=	$(LOCFLAGS) 
+
+CERRWARN +=	-_gcc=-Wno-implicit-function-declaration
+
+DYNFLAGS +=	$(ZNODELETE)
+
+LDLIBS +=	-lsocket -lnsl -lc -lmd
+
+.KEEP_STATE:
+
+all:	$(LIBS)
+
+lint:	lintcheck
+
+# include library targets
+include ../../Makefile.targ
+
+pics/%.o: ../common/bsd/%.c
+	$(COMPILE.c) -o $@ $<
+	$(POST_PROCESS_O)
+
+pics/%.o: ../common/dst/%.c
+	$(COMPILE.c) -o $@ $<
+	$(POST_PROCESS_O)
+
+pics/%.o: ../common/inet/%.c
+	$(COMPILE.c) -o $@ $<
+	$(POST_PROCESS_O)
+
+pics/%.o: ../common/irs/%.c
+	$(COMPILE.c) -o $@ $<
+	$(POST_PROCESS_O)
+
+pics/%.o: ../common/isc/%.c
+	$(COMPILE.c) -o $@ $<
+	$(POST_PROCESS_O)
+
+pics/%.o: ../common/nameser/%.c
+	$(COMPILE.c) -o $@ $<
+	$(POST_PROCESS_O)
+
+pics/%.o: ../common/resolv/%.c
+	$(COMPILE.c) -o $@ $<
+	$(POST_PROCESS_O)
+
+pics/%.o: ../common/sunw/%.c
+	$(COMPILE.c) -o $@ $<
+	$(POST_PROCESS_O)
+
+# install rule for lint library target
+$(ROOTLINTDIR)/%:	../common/%
+	$(INS.file)
diff --git a/usr/src/lib/libresolv2_joy/THIRDPARTYLICENSE b/usr/src/lib/libresolv2_joy/THIRDPARTYLICENSE
new file mode 100644
index 0000000000..719d77fea2
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/THIRDPARTYLICENSE
@@ -0,0 +1,185 @@
+ * Copyright (c) 1995-1999 by Internet Software Consortium.
+ *  
+ * Permission to use, copy, modify, and distribute this software for any  
+ * purpose with or without fee is hereby granted, provided that the above  
+ * copyright notice and this permission notice appear in all copies.  
+ *  
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+
+ * Portions Copyright (c) 1995 by International Business Machines, Inc.  
+ *  
+ * International Business Machines, Inc.  (hereinafter called IBM) grants  
+ * permission under its copyrights to use, copy, modify, and distribute this  
+ * Software with or without fee, provided that the above copyright notice and
+ * all paragraphs of this notice appear in all copies, and that the name of IBM
+ * not be used in connection with the marketing of any product incorporating  
+ * the Software or modifications thereof, without specific, written prior  
+ * permission.  
+ *  
+ * To the extent it has a right to do so, IBM grants an immunity from suit  
+ * under its patents, if any, for the use, sale or manufacture of products to
+ * the extent that such products are used for performing Domain Name System  
+ * dynamic updates in TCP/IP networks by means of the Software. No immunity is
+ * granted for any product per se or for any other function of any product.  
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,  
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A  
+ * PARTICULAR PURPOSE. IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,  
+ * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
+ * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.  
+
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.  
+ *  
+ * Permission to use, copy, modify, and distribute this software for any 
+ * purpose with or without fee is hereby granted, provided that the above  
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or  
+ * publicity pertaining to distribution of the document or software without  
+ * specific, written prior permission.  
+ *  
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT  
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL  
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR  
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS  
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.  
+
+ * Copyright (c) 1983, 1990, 1993  
+ * The Regents of the University of California. All rights reserved.  
+ *  
+ * Redistribution and use in source and binary forms, with or without  
+ * modification, are permitted provided that the following conditions  
+ * are met:  
+ * 1. Redistributions of source code must retain the above copyright  
+ *    notice, this list of conditions and the following disclaimer.  
+ * 2. Redistributions in binary form must reproduce the above copyright  
+ *    notice, this list of conditions and the following disclaimer in the  
+ *    documentation and/or other materials provided with the distribution.  
+ * 3. All advertising materials mentioning features or use of this software  
+ *    must display the following acknowledgement:  
+ *      This product includes software developed by the University of  
+ *      California, Berkeley and its contributors.  
+ * 4. Neither the name of the University nor the names of its contributors  
+ *    may be used to endorse or promote products derived from this software  
+ *    without specific prior written permission.  
+ *  
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND  
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE  
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS  
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY  
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF  
+ * SUCH DAMAGE.  
+
+/* Copyright (C) RSA Data Security, Inc. created 1986-1987, 1990,
+   1992-1994, 1996.  This is an
+   unpublished work protected as such under copyright law.  This work
+   contains proprietary, confidential, and trade secret information of
+   RSA Data Security, Inc.  Use, disclosure or reproduction without the
+   express written authorization of RSA Data Security, Inc. is
+   prohibited.
+ */
+
+                    DNSSAFE LICENSE TERMS
+
+ This BIND software includes the DNSsafe software from RSA Data
+ Security, Inc., which is copyrighted software that can only be
+ distributed under the terms of this license agreement.
+
+ The DNSsafe software cannot be used or distributed separately from the
+ BIND software.  You only have the right to use it or distribute it as
+ a bundled, integrated product.
+
+ The DNSsafe software can ONLY be used to provide authentication for
+ resource records in the Domain Name System, as specified in RFC 2065
+ and successors.  You cannot modify the BIND software to use the
+ DNSsafe software for other purposes, or to make its cryptographic
+ functions available to end-users for other uses.
+
+ If you modify the DNSsafe software itself, you cannot modify its
+ documented API, and you must grant RSA Data Security the right to use,
+ modify, and distribute your modifications, including the right to use
+ any patents or other intellectual property that your modifications
+ depend upon.
+
+ You must not remove, alter, or destroy any of RSA's copyright notices
+ or license information.  When distributing the software to the Federal
+ Government, it must be licensed to them as "commercial computer
+ software" protected under 48 CFR 12.212 of the FAR, or 48 CFR
+ 227.7202.1 of the DFARS.
+
+ You must not violate United States export control laws by distributing
+ the DNSsafe software or information about it, when such distribution
+ is prohibited by law.
+
+ THE DNSSAFE SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY
+ WHATSOEVER.  RSA HAS NO OBLIGATION TO SUPPORT, CORRECT, UPDATE OR
+ MAINTAIN THE RSA SOFTWARE.  RSA DISCLAIMS ALL WARRANTIES, EXPRESS,
+ IMPLIED OR STATUTORY, AS TO ANY MATTER WHATSOEVER, INCLUDING ALL
+ IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+ PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY RIGHTS.
+
+ If you desire to use DNSsafe in ways that these terms do not permit,
+ please contact RSA Data Security, Inc., 100 Marine Parkway, Redwood
+ City, California 94065, USA, to discuss alternate licensing
+ arrangements.
+
+ * Portions Copyright (c) 1995-1998 by Trusted Information Systems, Inc.
+ *
+ * Permission to use, copy modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND TRUSTED INFORMATION SYSTEMS
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL
+ * TRUSTED INFORMATION SYSTEMS BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THE SOFTWARE.
+
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    This product includes software developed by WIDE Project and
+ *    its contributors.
+ * 4. Neither the name of the project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
diff --git a/usr/src/lib/libresolv2_joy/THIRDPARTYLICENSE.descrip b/usr/src/lib/libresolv2_joy/THIRDPARTYLICENSE.descrip
new file mode 100644
index 0000000000..67315d8f33
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/THIRDPARTYLICENSE.descrip
@@ -0,0 +1 @@
+BIND SOFTWARE
diff --git a/usr/src/lib/libresolv2_joy/amd64/Makefile b/usr/src/lib/libresolv2_joy/amd64/Makefile
new file mode 100644
index 0000000000..2e8cdecf75
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/amd64/Makefile
@@ -0,0 +1,31 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include ../Makefile.com
+include ../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64)
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/daemon.c b/usr/src/lib/libresolv2_joy/common/bsd/daemon.c
new file mode 100644
index 0000000000..54ff83b753
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/daemon.c
@@ -0,0 +1,81 @@
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)daemon.c	8.1 (Berkeley) 6/4/93";
+static const char rcsid[] = "$Id: daemon.c,v 1.2 2005/04/27 04:56:10 sra Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "port_before.h"
+
+#include <fcntl.h>
+#include <paths.h>
+#include <unistd.h>
+
+#include "port_after.h"
+
+#ifndef NEED_DAEMON
+int __bind_daemon__;
+#else
+
+int
+daemon(int nochdir, int noclose) {
+	int fd;
+
+	switch (fork()) {
+	case -1:
+		return (-1);
+	case 0:
+		break;
+	default:
+		_exit(0);
+	}
+
+	if (setsid() == -1)
+		return (-1);
+
+	if (!nochdir)
+		(void)chdir("/");
+
+	if (!noclose && (fd = open(_PATH_DEVNULL, O_RDWR, 0)) != -1) {
+		(void)dup2(fd, STDIN_FILENO);
+		(void)dup2(fd, STDOUT_FILENO);
+		(void)dup2(fd, STDERR_FILENO);
+		if (fd > 2)
+			(void)close (fd);
+	}
+	return (0);
+}
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/ftruncate.c b/usr/src/lib/libresolv2_joy/common/bsd/ftruncate.c
new file mode 100644
index 0000000000..5ac4ebac9b
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/ftruncate.c
@@ -0,0 +1,64 @@
+#ifndef LINT
+static const char rcsid[] = "$Id: ftruncate.c,v 1.3 2005/04/27 18:16:45 sra Exp $";
+#endif
+
+/*! \file
+ * \brief
+ * ftruncate - set file size, BSD Style
+ *
+ * shortens or enlarges the file as neeeded
+ * uses some undocumented locking call. It is known to work on SCO unix,
+ * other vendors should try.
+ * The #error directive prevents unsupported OSes
+ */
+
+#include "port_before.h"
+
+#if defined(M_UNIX)
+#define OWN_FTRUNCATE
+#include <stdio.h>
+#ifdef _XOPEN_SOURCE
+#undef _XOPEN_SOURCE
+#endif
+#ifdef _POSIX_SOURCE
+#undef _POSIX_SOURCE
+#endif
+
+#include <fcntl.h>
+
+#include "port_after.h"
+
+int
+__ftruncate(int fd, long wantsize) {
+	long cursize;
+
+	/* determine current file size */
+	if ((cursize = lseek(fd, 0L, 2)) == -1)
+		return (-1);
+
+	/* maybe lengthen... */
+	if (cursize < wantsize) {
+		if (lseek(fd, wantsize - 1, 0) == -1 ||
+		    write(fd, "", 1) == -1) {
+			return (-1);
+		}
+		return (0);
+	}
+
+	/* maybe shorten... */
+	if (wantsize < cursize) {
+		struct flock fl;
+
+		fl.l_whence = 0;
+		fl.l_len = 0;
+		fl.l_start = wantsize;
+		fl.l_type = F_WRLCK;
+		return (fcntl(fd, F_FREESP, &fl));
+	}
+	return (0);
+}
+#endif
+
+#ifndef OWN_FTRUNCATE
+int __bindcompat_ftruncate;
+#endif
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/gettimeofday.c b/usr/src/lib/libresolv2_joy/common/bsd/gettimeofday.c
new file mode 100644
index 0000000000..2926a3575e
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/gettimeofday.c
@@ -0,0 +1,62 @@
+#ifndef LINT
+static const char rcsid[] = "$Id: gettimeofday.c,v 1.4 2005/04/27 04:56:11 sra Exp $";
+#endif
+
+#include "port_before.h"
+#include <stdio.h>
+#include <syslog.h>
+#include <sys/time.h>
+#include "port_after.h"
+
+#if !defined(NEED_GETTIMEOFDAY)
+/*%
+ * gettimeofday() occasionally returns invalid tv_usec on some platforms.
+ */
+#define MILLION 1000000
+#undef gettimeofday
+
+int
+isc__gettimeofday(struct timeval *tp, struct timezone *tzp) {
+	int res;
+
+	res = gettimeofday(tp, tzp);
+	if (res < 0)
+		return (res);
+	if (tp == NULL)
+		return (res);
+	if (tp->tv_usec < 0) {
+		do {
+			tp->tv_usec += MILLION;
+			tp->tv_sec--;
+		} while (tp->tv_usec < 0);
+		goto log;
+	} else if (tp->tv_usec > MILLION) {
+		do {
+			tp->tv_usec -= MILLION;
+			tp->tv_sec++;
+		} while (tp->tv_usec > MILLION);
+		goto log;
+	}
+	return (res);
+ log:
+	syslog(LOG_ERR, "gettimeofday: tv_usec out of range\n");
+	return (res);
+}
+#else
+int
+gettimeofday(struct timeval *tvp, struct _TIMEZONE *tzp) {
+	time_t clock, time(time_t *);
+
+	if (time(&clock) == (time_t) -1)
+		return (-1);
+	if (tvp) {
+		tvp->tv_sec = clock;
+		tvp->tv_usec = 0;
+	}
+	if (tzp) {
+		tzp->tz_minuteswest = 0;
+		tzp->tz_dsttime = 0;
+	}
+	return (0);
+}
+#endif /*NEED_GETTIMEOFDAY*/
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/mktemp.c b/usr/src/lib/libresolv2_joy/common/bsd/mktemp.c
new file mode 100644
index 0000000000..001b24b58f
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/mktemp.c
@@ -0,0 +1,156 @@
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)mktemp.c	8.1 (Berkeley) 6/4/93";
+static const char rcsid[] = "$Id: mktemp.c,v 1.2 2005/04/27 04:56:11 sra Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * Copyright (c) 1987, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ * 
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+
+#include "port_after.h"
+
+#if (!defined(NEED_MKTEMP)) && (!defined(NEED_MKSTEMP))
+int __mktemp_unneeded__;
+#else
+
+static int gettemp(char *path, int *doopen);
+
+#ifdef NEED_MKSTEMP
+mkstemp(char *path) {
+	int fd;
+
+	return (gettemp(path, &fd) ? fd : -1);
+}
+#endif
+
+#ifdef NEED_MKTEMP
+char *
+mktemp(char *path) {
+	return(gettemp(path, (int *)NULL) ? path : (char *)NULL);
+}
+#endif
+
+static int
+gettemp(char *path, int *doopen) {
+	char *start, *trv;
+	struct stat sbuf;
+	u_int pid;
+
+	pid = getpid();
+	for (trv = path; *trv; ++trv);		/*%< extra X's get set to 0's */
+	while (*--trv == 'X') {
+		*trv = (pid % 10) + '0';
+		pid /= 10;
+	}
+
+	/*
+	 * check the target directory; if you have six X's and it
+	 * doesn't exist this runs for a *very* long time.
+	 */
+	for (start = trv + 1;; --trv) {
+		if (trv <= path)
+			break;
+		if (*trv == '/') {
+			*trv = '\0';
+			if (stat(path, &sbuf))
+				return(0);
+			if (!S_ISDIR(sbuf.st_mode)) {
+				errno = ENOTDIR;
+				return(0);
+			}
+			*trv = '/';
+			break;
+		}
+	}
+
+	for (;;) {
+		if (doopen) {
+			if ((*doopen =
+			    open(path, O_CREAT|O_EXCL|O_RDWR, 0600)) >= 0)
+				return(1);
+			if (errno != EEXIST)
+				return(0);
+		}
+		else if (stat(path, &sbuf))
+			return(errno == ENOENT ? 1 : 0);
+
+		/* tricky little algorithm for backward compatibility */
+		for (trv = start;;) {
+			if (!*trv)
+				return(0);
+			if (*trv == 'z')
+				*trv++ = 'a';
+			else {
+				if (isdigit(*trv))
+					*trv = 'a';
+				else
+					++*trv;
+				break;
+			}
+		}
+	}
+	/*NOTREACHED*/
+}
+
+#endif /*NEED_MKTEMP*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/putenv.c b/usr/src/lib/libresolv2_joy/common/bsd/putenv.c
new file mode 100644
index 0000000000..2dcbc57e6c
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/putenv.c
@@ -0,0 +1,27 @@
+#ifndef LINT
+static const char rcsid[] = "$Id: putenv.c,v 1.2 2005/04/27 04:56:11 sra Exp $";
+#endif
+
+#include "port_before.h"
+#include "port_after.h"
+
+/*%
+ * To give a little credit to Sun, SGI,
+ * and many vendors in the SysV world.
+ */
+
+#if !defined(NEED_PUTENV)
+int __bindcompat_putenv;
+#else
+int
+putenv(char *str) {
+	char *tmp;
+
+	for (tmp = str; *tmp && (*tmp != '='); tmp++)
+		;
+
+	return (setenv(str, tmp, 1));
+}
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/readv.c b/usr/src/lib/libresolv2_joy/common/bsd/readv.c
new file mode 100644
index 0000000000..5fa691a92f
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/readv.c
@@ -0,0 +1,39 @@
+#ifndef LINT
+static const char rcsid[] = "$Id: readv.c,v 1.2 2005/04/27 04:56:11 sra Exp $";
+#endif
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+
+#include "port_after.h"
+
+#ifndef NEED_READV
+int __bindcompat_readv;
+#else
+
+int
+__readv(fd, vp, vpcount)
+	int fd;
+	const struct iovec *vp;
+	int vpcount;
+{
+	int count = 0;
+
+	while (vpcount-- > 0) {
+		int bytes = read(fd, vp->iov_base, vp->iov_len);
+
+		if (bytes < 0)
+			return (-1);
+		count += bytes;
+		if (bytes != vp->iov_len)
+			break;
+		vp++;
+	}
+	return (count);
+}
+#endif /* NEED_READV */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/setenv.c b/usr/src/lib/libresolv2_joy/common/bsd/setenv.c
new file mode 100644
index 0000000000..baf00f6ff2
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/setenv.c
@@ -0,0 +1,151 @@
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)setenv.c	8.1 (Berkeley) 6/4/93";
+static const char rcsid[] = "$Id: setenv.c,v 1.2 2005/04/27 04:56:11 sra Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * Copyright (c) 1987, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "port_before.h"
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "port_after.h"
+
+#if !defined(NEED_SETENV)
+int __bindcompat_setenv;
+#else
+
+extern char **environ;
+
+static char *findenv(const char *name, int *offset);
+
+/*%
+ * setenv --
+ *	Set the value of the environmental variable "name" to be
+ *	"value".  If rewrite is set, replace any current value.
+ */
+setenv(const char *name, const char *value, int rewrite) {
+	extern char **environ;
+	static int alloced;			/*%< if allocated space before */
+	char *c;
+	int l_value, offset;
+
+	if (*value == '=')			/*%< no `=' in value */
+		++value;
+	l_value = strlen(value);
+	if ((c = findenv(name, &offset))) {	/*%< find if already exists */
+		if (!rewrite)
+			return (0);
+		if (strlen(c) >= l_value) {	/*%< old larger; copy over */
+			while (*c++ = *value++);
+			return (0);
+		}
+	} else {					/*%< create new slot */
+		int cnt;
+		char **p;
+
+		for (p = environ, cnt = 0; *p; ++p, ++cnt);
+		if (alloced) {			/*%< just increase size */
+			environ = (char **)realloc((char *)environ,
+			    (size_t)(sizeof(char *) * (cnt + 2)));
+			if (!environ)
+				return (-1);
+		}
+		else {				/*%< get new space */
+			alloced = 1;		/*%< copy old entries into it */
+			p = malloc((size_t)(sizeof(char *) * (cnt + 2)));
+			if (!p)
+				return (-1);
+			memcpy(p, environ, cnt * sizeof(char *));
+			environ = p;
+		}
+		environ[cnt + 1] = NULL;
+		offset = cnt;
+	}
+	for (c = (char *)name; *c && *c != '='; ++c);	/*%< no `=' in name */
+	if (!(environ[offset] =			/*%< name + `=' + value */
+	    malloc((size_t)((int)(c - name) + l_value + 2))))
+		return (-1);
+	for (c = environ[offset]; (*c = *name++) && *c != '='; ++c);
+	for (*c++ = '='; *c++ = *value++;);
+	return (0);
+}
+
+/*%
+ * unsetenv(name) --
+ *	Delete environmental variable "name".
+ */
+void
+unsetenv(const char *name) {
+	char **p;
+	int offset;
+
+	while (findenv(name, &offset))	/*%< if set multiple times */
+		for (p = &environ[offset];; ++p)
+			if (!(*p = *(p + 1)))
+				break;
+}
+
+/*%
+ * findenv --
+ *	Returns pointer to value associated with name, if any, else NULL.
+ *	Sets offset to be the offset of the name/value combination in the
+ *	environmental array, for use by setenv(3) and unsetenv(3).
+ *	Explicitly removes '=' in argument name.
+ *
+ *	This routine *should* be a static; don't use it.
+ */
+static char *
+findenv(const char *name, int *offset) {
+	const char *np;
+	char **p, *c;
+	int len;
+
+	if (name == NULL || environ == NULL)
+		return (NULL);
+	for (np = name; *np && *np != '='; ++np)
+		continue;
+	len = np - name;
+	for (p = environ; (c = *p) != NULL; ++p)
+		if (strncmp(c, name, len) == 0 && c[len] == '=') {
+			*offset = p - environ;
+			return (c + len + 1);
+		}
+	return (NULL);
+}
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/setitimer.c b/usr/src/lib/libresolv2_joy/common/bsd/setitimer.c
new file mode 100644
index 0000000000..67881d7ca8
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/setitimer.c
@@ -0,0 +1,29 @@
+#ifndef LINT
+static const char rcsid[] = "$Id: setitimer.c,v 1.2 2005/04/27 04:56:12 sra Exp $";
+#endif
+
+#include "port_before.h"
+
+#include <sys/time.h>
+
+#include "port_after.h"
+
+/*%
+ * Setitimer emulation routine.
+ */
+#ifndef NEED_SETITIMER
+int __bindcompat_setitimer;
+#else
+
+int
+__setitimer(int which, const struct itimerval *value,
+	    struct itimerval *ovalue)
+{
+	if (alarm(value->it_value.tv_sec) >= 0)
+		return (0);
+	else
+		return (-1);
+}
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/strcasecmp.c b/usr/src/lib/libresolv2_joy/common/bsd/strcasecmp.c
new file mode 100644
index 0000000000..0c9f0dccf0
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/strcasecmp.c
@@ -0,0 +1,124 @@
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)strcasecmp.c	8.1 (Berkeley) 6/4/93";
+static const char rcsid[] = "$Id: strcasecmp.c,v 1.2 2005/04/27 04:56:12 sra Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * Copyright (c) 1987, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "port_before.h"
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/cdefs.h>
+
+#include <string.h>
+
+#include "port_after.h"
+
+#ifndef NEED_STRCASECMP
+int __strcasecmp_unneeded__;
+#else
+
+/*%
+ * This array is designed for mapping upper and lower case letter
+ * together for a case independent comparison.  The mappings are
+ * based upon ascii character sequences.
+ */
+static const u_char charmap[] = {
+	0000, 0001, 0002, 0003, 0004, 0005, 0006, 0007,
+	0010, 0011, 0012, 0013, 0014, 0015, 0016, 0017,
+	0020, 0021, 0022, 0023, 0024, 0025, 0026, 0027,
+	0030, 0031, 0032, 0033, 0034, 0035, 0036, 0037,
+	0040, 0041, 0042, 0043, 0044, 0045, 0046, 0047,
+	0050, 0051, 0052, 0053, 0054, 0055, 0056, 0057,
+	0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067,
+	0070, 0071, 0072, 0073, 0074, 0075, 0076, 0077,
+	0100, 0141, 0142, 0143, 0144, 0145, 0146, 0147,
+	0150, 0151, 0152, 0153, 0154, 0155, 0156, 0157,
+	0160, 0161, 0162, 0163, 0164, 0165, 0166, 0167,
+	0170, 0171, 0172, 0133, 0134, 0135, 0136, 0137,
+	0140, 0141, 0142, 0143, 0144, 0145, 0146, 0147,
+	0150, 0151, 0152, 0153, 0154, 0155, 0156, 0157,
+	0160, 0161, 0162, 0163, 0164, 0165, 0166, 0167,
+	0170, 0171, 0172, 0173, 0174, 0175, 0176, 0177,
+	0200, 0201, 0202, 0203, 0204, 0205, 0206, 0207,
+	0210, 0211, 0212, 0213, 0214, 0215, 0216, 0217,
+	0220, 0221, 0222, 0223, 0224, 0225, 0226, 0227,
+	0230, 0231, 0232, 0233, 0234, 0235, 0236, 0237,
+	0240, 0241, 0242, 0243, 0244, 0245, 0246, 0247,
+	0250, 0251, 0252, 0253, 0254, 0255, 0256, 0257,
+	0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267,
+	0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277,
+	0300, 0301, 0302, 0303, 0304, 0305, 0306, 0307,
+	0310, 0311, 0312, 0313, 0314, 0315, 0316, 0317,
+	0320, 0321, 0322, 0323, 0324, 0325, 0326, 0327,
+	0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337,
+	0340, 0341, 0342, 0343, 0344, 0345, 0346, 0347,
+	0350, 0351, 0352, 0353, 0354, 0355, 0356, 0357,
+	0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367,
+	0370, 0371, 0372, 0373, 0374, 0375, 0376, 0377
+};
+
+int
+strcasecmp(const char *s1, const char *s2) {
+	const u_char *cm = charmap,
+		     *us1 = (const u_char *)s1,
+		     *us2 = (const u_char *)s2;
+
+	while (cm[*us1] == cm[*us2++])
+		if (*us1++ == '\0')
+			return (0);
+	return (cm[*us1] - cm[*--us2]);
+}
+
+int
+strncasecmp(const char *s1, const char *s2, size_t n) {
+	if (n != 0) {
+		const u_char *cm = charmap,
+			     *us1 = (const u_char *)s1,
+			     *us2 = (const u_char *)s2;
+
+		do {
+			if (cm[*us1] != cm[*us2++])
+				return (cm[*us1] - cm[*--us2]);
+			if (*us1++ == '\0')
+				break;
+		} while (--n != 0);
+	}
+	return (0);
+}
+
+#endif /*NEED_STRCASECMP*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/strdup.c b/usr/src/lib/libresolv2_joy/common/bsd/strdup.c
new file mode 100644
index 0000000000..a8d31e9587
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/strdup.c
@@ -0,0 +1,20 @@
+#include "port_before.h"
+
+#include <stdlib.h>
+
+#include "port_after.h"
+
+#ifndef NEED_STRDUP
+int __bind_strdup_unneeded;
+#else
+char *
+strdup(const char *src) {
+	char *dst = malloc(strlen(src) + 1);
+
+	if (dst)
+		strcpy(dst, src);
+	return (dst);
+}
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/strerror.c b/usr/src/lib/libresolv2_joy/common/bsd/strerror.c
new file mode 100644
index 0000000000..5973e63d5b
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/strerror.c
@@ -0,0 +1,94 @@
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)strerror.c	8.1 (Berkeley) 6/4/93";
+static const char rcsid[] = "$Id: strerror.c,v 1.6 2008/02/18 03:49:08 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * Copyright (c) 1988, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "port_before.h"
+
+#include <sys/param.h>
+#include <sys/types.h>
+
+#include <string.h>
+
+#include "port_after.h"
+
+#ifndef NEED_STRERROR
+int __strerror_unneeded__;
+#else
+
+#ifdef USE_SYSERROR_LIST
+extern int sys_nerr;
+extern char *sys_errlist[];
+#endif
+
+const char *
+isc_strerror(int num) {
+#define	UPREFIX	"Unknown error: "
+	static char ebuf[40] = UPREFIX;		/*%< 64-bit number + slop */
+	u_int errnum;
+	char *p, *t;
+#ifndef USE_SYSERROR_LIST
+	const char *ret;
+#endif
+	char tmp[40];
+
+	errnum = num;				/*%< convert to unsigned */
+#ifdef USE_SYSERROR_LIST
+	if (errnum < (u_int)sys_nerr)
+		return (sys_errlist[errnum]);
+#else
+#undef strerror
+	ret = strerror(num);			/*%< call strerror() in libc */
+	if (ret != NULL)
+		return(ret);
+#endif
+
+	/* Do this by hand, so we don't include stdio(3). */
+	t = tmp;
+	do {
+		*t++ = "0123456789"[errnum % 10];
+	} while (errnum /= 10);
+	for (p = ebuf + sizeof(UPREFIX) - 1;;) {
+		*p++ = *--t;
+		if (t <= tmp)
+			break;
+	}
+	return (ebuf);
+}
+
+#endif /*NEED_STRERROR*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/strpbrk.c b/usr/src/lib/libresolv2_joy/common/bsd/strpbrk.c
new file mode 100644
index 0000000000..4c12d88e1c
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/strpbrk.c
@@ -0,0 +1,70 @@
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)strpbrk.c	8.1 (Berkeley) 6/4/93";
+static const char rcsid[] = "$Id: strpbrk.c,v 1.2 2005/04/27 04:56:12 sra Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * Copyright (c) 1985, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "port_before.h"
+
+#include <sys/param.h>
+#include <sys/cdefs.h>
+
+#include <string.h>
+
+#include "port_after.h"
+
+#ifndef NEED_STRPBRK
+int __strpbrk_unneeded__;
+#else
+
+/*%
+ * Find the first occurrence in s1 of a character in s2 (excluding NUL).
+ */
+char *
+strpbrk(const char *s1, const char *s2) {
+	const char *scanp;
+	int c, sc;
+
+	while ((c = *s1++) != 0) {
+		for (scanp = s2; (sc = *scanp++) != 0;)
+			if (sc == c)
+				return ((char *)(s1 - 1));
+	}
+	return (NULL);
+}
+
+#endif /*NEED_STRPBRK*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/strsep.c b/usr/src/lib/libresolv2_joy/common/bsd/strsep.c
new file mode 100644
index 0000000000..c7969f0028
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/strsep.c
@@ -0,0 +1,88 @@
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "strsep.c	8.1 (Berkeley) 6/4/93";
+static const char rcsid[] = "$Id: strsep.c,v 1.2 2005/04/27 04:56:12 sra Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "port_before.h"
+#include <sys/cdefs.h>
+#include <string.h>
+#include <stdio.h>
+#include "port_after.h"
+
+#ifndef NEED_STRSEP
+int __strsep_unneeded__;
+#else
+
+/*%
+ * Get next token from string *stringp, where tokens are possibly-empty
+ * strings separated by characters from delim.  
+ *
+ * Writes NULs into the string at *stringp to end tokens.
+ * delim need not remain constant from call to call.
+ * On return, *stringp points past the last NUL written (if there might
+ * be further tokens), or is NULL (if there are definitely no more tokens).
+ *
+ * If *stringp is NULL, strsep returns NULL.
+ */
+char *
+strsep(char **stringp, const char *delim) {
+	char *s;
+	const char *spanp;
+	int c, sc;
+	char *tok;
+
+	if ((s = *stringp) == NULL)
+		return (NULL);
+	for (tok = s;;) {
+		c = *s++;
+		spanp = delim;
+		do {
+			if ((sc = *spanp++) == c) {
+				if (c == 0)
+					s = NULL;
+				else
+					s[-1] = 0;
+				*stringp = s;
+				return (tok);
+			}
+		} while (sc != 0);
+	}
+	/* NOTREACHED */
+}
+
+#endif /*NEED_STRSEP*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/strtoul.c b/usr/src/lib/libresolv2_joy/common/bsd/strtoul.c
new file mode 100644
index 0000000000..b37ff72729
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/strtoul.c
@@ -0,0 +1,119 @@
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)strtoul.c	8.1 (Berkeley) 6/4/93";
+static const char rcsid[] = "$Id: strtoul.c,v 1.4 2008/02/18 03:49:08 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * Copyright (c) 1990, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdlib.h>
+
+#include "port_after.h"
+
+#ifndef NEED_STRTOUL
+int __strtoul_unneeded__;
+#else
+
+/*%
+ * Convert a string to an unsigned long integer.
+ *
+ * Ignores `locale' stuff.  Assumes that the upper and lower case
+ * alphabets and digits are each contiguous.
+ */
+u_long
+strtoul(const char *nptr, char **endptr, int base) {
+	const char *s = nptr;
+	u_long acc, cutoff;
+	int neg, c, any, cutlim;
+
+	neg = 0;
+
+	/*
+	 * See strtol for comments as to the logic used.
+	 */
+	do {
+		c = *(const unsigned char *)s++;
+	} while (isspace(c));
+	if (c == '-') {
+		neg = 1;
+		c = *s++;
+	} else if (c == '+')
+		c = *s++;
+	if ((base == 0 || base == 16) &&
+	    c == '0' && (*s == 'x' || *s == 'X')) {
+		c = s[1];
+		s += 2;
+		base = 16;
+	}
+	if (base == 0)
+		base = c == '0' ? 8 : 10;
+	cutoff = (u_long)ULONG_MAX / (u_long)base;
+	cutlim = (u_long)ULONG_MAX % (u_long)base;
+	for (acc = 0, any = 0;; c = *(const unsigned char*)s++) {
+		if (isdigit(c))
+			c -= '0';
+		else if (isalpha(c))
+			c -= isupper(c) ? 'A' - 10 : 'a' - 10;
+		else
+			break;
+		if (c >= base)
+			break;
+		if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
+			any = -1;
+		else {
+			any = 1;
+			acc *= base;
+			acc += c;
+		}
+	}
+	if (any < 0) {
+		acc = ULONG_MAX;
+		errno = ERANGE;
+	} else if (neg)
+		acc = -acc;
+	if (endptr != 0)
+		DE_CONST((any ? s - 1 : nptr), *endptr);
+	return (acc);
+}
+
+#endif /*NEED_STRTOUL*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/utimes.c b/usr/src/lib/libresolv2_joy/common/bsd/utimes.c
new file mode 100644
index 0000000000..2f65cffe25
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/utimes.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1997,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <utime.h>
+
+#include "port_after.h"
+
+#ifndef NEED_UTIMES
+int __bind_utimes_unneeded;
+#else
+
+int
+__utimes(char *filename, struct timeval *tvp) {
+	struct utimbuf utb;
+
+	utb.actime = (time_t)tvp[0].tv_sec;
+	utb.modtime = (time_t)tvp[1].tv_sec;
+	return (utime(filename, &utb));
+}
+
+#endif /* NEED_UTIMES */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/bsd/writev.c b/usr/src/lib/libresolv2_joy/common/bsd/writev.c
new file mode 100644
index 0000000000..65baa71cfc
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/bsd/writev.c
@@ -0,0 +1,89 @@
+#ifndef LINT
+static const char rcsid[] = "$Id: writev.c,v 1.3 2005/04/27 04:56:13 sra Exp $";
+#endif
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+
+#include "port_after.h"
+
+#ifndef NEED_WRITEV
+int __bindcompat_writev;
+#else
+
+#ifdef _CRAY
+#define OWN_WRITEV
+int
+__writev(int fd, struct iovec *iov, int iovlen)
+{
+	struct stat statbuf;
+
+	if (fstat(fd, &statbuf) < 0)
+		return (-1);
+
+	/*
+	 * Allow for atomic writes to network.
+	 */
+	if (statbuf.st_mode & S_IFSOCK) {
+		struct msghdr   mesg;		
+
+		memset(&mesg, 0, sizeof(mesg));
+		mesg.msg_name = 0;
+		mesg.msg_namelen = 0;
+		mesg.msg_iov = iov;
+		mesg.msg_iovlen = iovlen;
+		mesg.msg_accrights = 0;
+		mesg.msg_accrightslen = 0;
+		return (sendmsg(fd, &mesg, 0));
+	} else {
+		struct iovec *tv;
+		int i, rcode = 0, count = 0;
+
+		for (i = 0, tv = iov; i <= iovlen; tv++) {
+			rcode = write(fd, tv->iov_base, tv->iov_len);
+
+			if (rcode < 0)
+				break;
+
+			count += rcode;
+		}
+
+		if (count == 0)
+			return (rcode);
+		else
+			return (count);
+	}
+}
+
+#else /*_CRAY*/
+
+int
+__writev(fd, vp, vpcount)
+	int fd;
+	const struct iovec *vp;
+	int vpcount;
+{
+	int count = 0;
+
+	while (vpcount-- > 0) {
+		int written = write(fd, vp->iov_base, vp->iov_len);
+
+		if (written < 0)
+			return (-1);
+		count += written;
+		if (written != vp->iov_len)
+			break;
+		vp++;
+	}
+	return (count);
+}
+
+#endif /*_CRAY*/
+
+#endif /*NEED_WRITEV*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/dst/dst_api.c b/usr/src/lib/libresolv2_joy/common/dst/dst_api.c
new file mode 100644
index 0000000000..a3e48077ad
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/dst/dst_api.c
@@ -0,0 +1,1048 @@
+#ifndef LINT
+static const char rcsid[] = "$Header: /proj/cvs/prod/libbind/dst/dst_api.c,v 1.17 2007/09/24 17:18:25 each Exp $";
+#endif
+
+/*
+ * Portions Copyright (c) 1995-1998 by Trusted Information Systems, Inc.
+ *
+ * Permission to use, copy modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND TRUSTED INFORMATION SYSTEMS
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL
+ * TRUSTED INFORMATION SYSTEMS BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THE SOFTWARE.
+ */
+/*
+ * This file contains the interface between the DST API and the crypto API.
+ * This is the only file that needs to be changed if the crypto system is
+ * changed.  Exported functions are:
+ * void dst_init()	 Initialize the toolkit
+ * int  dst_check_algorithm()   Function to determines if alg is suppored.
+ * int  dst_compare_keys()      Function to compare two keys for equality.
+ * int  dst_sign_data()         Incremental signing routine.
+ * int  dst_verify_data()       Incremental verify routine.
+ * int  dst_generate_key()      Function to generate new KEY
+ * DST_KEY *dst_read_key()      Function to retrieve private/public KEY.
+ * void dst_write_key()         Function to write out a key.
+ * DST_KEY *dst_dnskey_to_key() Function to convert DNS KEY RR to a DST
+ *				KEY structure.
+ * int dst_key_to_dnskey() 	Function to return a public key in DNS 
+ *				format binary
+ * DST_KEY *dst_buffer_to_key() Converst a data in buffer to KEY
+ * int *dst_key_to_buffer()	Writes out DST_KEY key matterial in buffer
+ * void dst_free_key()       	Releases all memory referenced by key structure
+ */
+
+#include "port_before.h"
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <memory.h>
+#include <ctype.h>
+#include <time.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+#include "dst_internal.h"
+#include "port_after.h"
+
+/* static variables */
+static int done_init = 0;
+dst_func *dst_t_func[DST_MAX_ALGS];
+const char *key_file_fmt_str = "Private-key-format: v%s\nAlgorithm: %d (%s)\n";
+const char *dst_path = "";
+
+/* internal I/O functions */
+static DST_KEY *dst_s_read_public_key(const char *in_name, 
+				      const u_int16_t in_id, int in_alg);
+static int dst_s_read_private_key_file(char *name, DST_KEY *pk_key,
+				       u_int16_t in_id, int in_alg);
+static int dst_s_write_public_key(const DST_KEY *key);
+static int dst_s_write_private_key(const DST_KEY *key);
+
+/* internal function to set up data structure */
+static DST_KEY *dst_s_get_key_struct(const char *name, const int alg,
+				     const int flags, const int protocol,
+				     const int bits);
+
+/*%
+ *  dst_init
+ *	This function initializes the Digital Signature Toolkit.
+ *	Right now, it just checks the DSTKEYPATH environment variable.
+ *  Parameters
+ *	none
+ *  Returns
+ *	none
+ */
+void
+dst_init()
+{
+	char *s;
+	int len;
+
+	if (done_init != 0)
+		return;
+	done_init = 1;
+
+	s = getenv("DSTKEYPATH");
+	len = 0;
+	if (s) {
+		struct stat statbuf;
+
+		len = strlen(s);
+		if (len > PATH_MAX) {
+			EREPORT(("%s is longer than %d characters, ignoring\n",
+				 s, PATH_MAX));
+		} else if (stat(s, &statbuf) != 0 || !S_ISDIR(statbuf.st_mode)) {
+			EREPORT(("%s is not a valid directory\n", s));
+		} else {
+			char *tmp;
+			tmp = (char *) malloc(len + 2);
+			memcpy(tmp, s, len + 1);
+			if (tmp[strlen(tmp) - 1] != '/') {
+				tmp[strlen(tmp) + 1] = 0;
+				tmp[strlen(tmp)] = '/';
+			}
+			dst_path = tmp;
+		}
+	}
+	memset(dst_t_func, 0, sizeof(dst_t_func));
+	/* first one is selected */
+	dst_hmac_md5_init();
+}
+
+/*%
+ *  dst_check_algorithm
+ *	This function determines if the crypto system for the specified
+ *	algorithm is present.
+ *  Parameters
+ *	alg     1       KEY_RSA
+ *		3       KEY_DSA
+ *	      157     KEY_HMAC_MD5
+ *		      future algorithms TBD and registered with IANA.
+ *  Returns
+ *	1 - The algorithm is available.
+ *	0 - The algorithm is not available.
+ */
+int
+dst_check_algorithm(const int alg)
+{
+	return (dst_t_func[alg] != NULL);
+}
+
+/*%
+ * dst_s_get_key_struct 
+ *	This function allocates key structure and fills in some of the 
+ *	fields of the structure. 
+ * Parameters: 
+ *	name:     the name of the key 
+ *	alg:      the algorithm number 
+ *	flags:    the dns flags of the key
+ *	protocol: the dns protocol of the key
+ *	bits:     the size of the key
+ * Returns:
+ *       NULL if error
+ *       valid pointer otherwise
+ */
+static DST_KEY *
+dst_s_get_key_struct(const char *name, const int alg, const int flags,
+		     const int protocol, const int bits)
+{
+	DST_KEY *new_key = NULL; 
+
+	if (dst_check_algorithm(alg)) /*%< make sure alg is available */
+		new_key = (DST_KEY *) malloc(sizeof(*new_key));
+	if (new_key == NULL)
+		return (NULL);
+
+	memset(new_key, 0, sizeof(*new_key));
+	new_key->dk_key_name = strdup(name);
+	if (new_key->dk_key_name == NULL) {
+		free(new_key);
+		return (NULL);
+	}
+	new_key->dk_alg = alg;
+	new_key->dk_flags = flags;
+	new_key->dk_proto = protocol;
+	new_key->dk_KEY_struct = NULL;
+	new_key->dk_key_size = bits;
+	new_key->dk_func = dst_t_func[alg];
+	return (new_key);
+}
+
+/*%
+ *  dst_compare_keys
+ *	Compares two keys for equality.
+ *  Parameters
+ *	key1, key2      Two keys to be compared.
+ *  Returns
+ *	0	       The keys are equal.
+ *	non-zero	The keys are not equal.
+ */
+
+int
+dst_compare_keys(const DST_KEY *key1, const DST_KEY *key2)
+{
+	if (key1 == key2)
+		return (0);
+	if (key1 == NULL || key2 == NULL)
+		return (4);
+	if (key1->dk_alg != key2->dk_alg)
+		return (1);
+	if (key1->dk_key_size != key2->dk_key_size)
+		return (2);
+	if (key1->dk_id != key2->dk_id)
+		return (3);
+	return (key1->dk_func->compare(key1, key2));
+}
+
+/*%
+ * dst_sign_data
+ *	An incremental signing function.  Data is signed in steps.
+ *	First the context must be initialized (SIG_MODE_INIT).
+ *	Then data is hashed (SIG_MODE_UPDATE).  Finally the signature
+ *	itself is created (SIG_MODE_FINAL).  This function can be called
+ *	once with INIT, UPDATE and FINAL modes all set, or it can be
+ *	called separately with a different mode set for each step.  The
+ *	UPDATE step can be repeated.
+ * Parameters
+ *	mode    A bit mask used to specify operation(s) to be performed.
+ *		  SIG_MODE_INIT	   1   Initialize digest
+ *		  SIG_MODE_UPDATE	 2   Add data to digest
+ *		  SIG_MODE_FINAL	  4   Generate signature
+ *					      from signature
+ *		  SIG_MODE_ALL (SIG_MODE_INIT,SIG_MODE_UPDATE,SIG_MODE_FINAL
+ *	data    Data to be signed.
+ *	len     The length in bytes of data to be signed.
+ *	in_key  Contains a private key to sign with.
+ *		  KEY structures should be handled (created, converted,
+ *		  compared, stored, freed) by the DST.
+ *	signature
+ *	      The location to which the signature will be written.
+ *	sig_len Length of the signature field in bytes.
+ * Return
+ *	 0      Successfull INIT or Update operation
+ *	&gt;0      success FINAL (sign) operation
+ *	&lt;0      failure
+ */
+
+int
+dst_sign_data(const int mode, DST_KEY *in_key, void **context, 
+	      const u_char *data, const int len,
+	      u_char *signature, const int sig_len)
+{
+	DUMP(data, mode, len, "dst_sign_data()");
+
+	if (mode & SIG_MODE_FINAL &&
+	    (in_key->dk_KEY_struct == NULL || signature == NULL))
+		return (MISSING_KEY_OR_SIGNATURE);
+
+	if (in_key->dk_func && in_key->dk_func->sign)
+		return (in_key->dk_func->sign(mode, in_key, context, data, len,
+					      signature, sig_len));
+	return (UNKNOWN_KEYALG);
+}
+
+/*%
+ *  dst_verify_data
+ *	An incremental verify function.  Data is verified in steps.
+ *	First the context must be initialized (SIG_MODE_INIT).
+ *	Then data is hashed (SIG_MODE_UPDATE).  Finally the signature
+ *	is verified (SIG_MODE_FINAL).  This function can be called
+ *	once with INIT, UPDATE and FINAL modes all set, or it can be
+ *	called separately with a different mode set for each step.  The
+ *	UPDATE step can be repeated.
+ *  Parameters
+ *	mode	Operations to perform this time.
+ *		      SIG_MODE_INIT       1   Initialize digest
+ *		      SIG_MODE_UPDATE     2   add data to digest
+ *		      SIG_MODE_FINAL      4   verify signature
+ *		      SIG_MODE_ALL
+ *			  (SIG_MODE_INIT,SIG_MODE_UPDATE,SIG_MODE_FINAL)
+ *	data	Data to pass through the hash function.
+ *	len	 Length of the data in bytes.
+ *	in_key      Key for verification.
+ *	signature   Location of signature.
+ *	sig_len     Length of the signature in bytes.
+ *  Returns
+ *	0	   Verify success
+ *	Non-Zero    Verify Failure
+ */
+
+int
+dst_verify_data(const int mode, DST_KEY *in_key, void **context, 
+		const u_char *data, const int len,
+		const u_char *signature, const int sig_len)
+{
+	DUMP(data, mode, len, "dst_verify_data()");
+	if (mode & SIG_MODE_FINAL &&
+	    (in_key->dk_KEY_struct == NULL || signature == NULL))
+		return (MISSING_KEY_OR_SIGNATURE);
+
+	if (in_key->dk_func == NULL || in_key->dk_func->verify == NULL)
+		return (UNSUPPORTED_KEYALG);
+	return (in_key->dk_func->verify(mode, in_key, context, data, len,
+					signature, sig_len));
+}
+
+/*%
+ *  dst_read_private_key
+ *	Access a private key.  First the list of private keys that have
+ *	already been read in is searched, then the key accessed on disk.
+ *	If the private key can be found, it is returned.  If the key cannot
+ *	be found, a null pointer is returned.  The options specify required
+ *	key characteristics.  If the private key requested does not have
+ *	these characteristics, it will not be read.
+ *  Parameters
+ *	in_keyname  The private key name.
+ *	in_id	    The id of the private key.
+ *	options     DST_FORCE_READ  Read from disk - don't use a previously
+ *				      read key.
+ *		  DST_CAN_SIGN    The key must be useable for signing.
+ *		  DST_NO_AUTHEN   The key must be useable for authentication.
+ *		  DST_STANDARD    Return any key 
+ *  Returns
+ *	NULL	If there is no key found in the current directory or
+ *		      this key has not been loaded before.
+ *	!NULL       Success - KEY structure returned.
+ */
+
+DST_KEY *
+dst_read_key(const char *in_keyname, const u_int16_t in_id, 
+	     const int in_alg, const int type)
+{
+	char keyname[PATH_MAX];
+	DST_KEY *dg_key = NULL, *pubkey = NULL;
+
+	if (!dst_check_algorithm(in_alg)) { /*%< make sure alg is available */
+		EREPORT(("dst_read_private_key(): Algorithm %d not suppored\n",
+			 in_alg));
+		return (NULL);
+	}
+	if ((type & (DST_PUBLIC | DST_PRIVATE)) == 0) 
+		return (NULL);
+	if (in_keyname == NULL) {
+		EREPORT(("dst_read_private_key(): Null key name passed in\n"));
+		return (NULL);
+	} else if (strlen(in_keyname) >= sizeof(keyname)) {
+		EREPORT(("dst_read_private_key(): keyname too big\n"));
+		return (NULL);
+	} else 
+		strcpy(keyname, in_keyname);
+
+	/* before I read in the public key, check if it is allowed to sign */
+	if ((pubkey = dst_s_read_public_key(keyname, in_id, in_alg)) == NULL)
+		return (NULL);
+
+	if (type == DST_PUBLIC) 
+		return pubkey; 
+
+	if (!(dg_key = dst_s_get_key_struct(keyname, pubkey->dk_alg,
+					    pubkey->dk_flags, pubkey->dk_proto,
+					    0)))
+		return (dg_key);
+	/* Fill in private key and some fields in the general key structure */
+	if (dst_s_read_private_key_file(keyname, dg_key, pubkey->dk_id,
+					pubkey->dk_alg) == 0)
+		dg_key = dst_free_key(dg_key);
+
+	(void)dst_free_key(pubkey);
+	return (dg_key);
+}
+
+int 
+dst_write_key(const DST_KEY *key, const int type)
+{
+	int pub = 0, priv = 0;
+
+	if (key == NULL) 
+		return (0);
+	if (!dst_check_algorithm(key->dk_alg)) { /*%< make sure alg is available */
+		EREPORT(("dst_write_key(): Algorithm %d not suppored\n", 
+			 key->dk_alg));
+		return (UNSUPPORTED_KEYALG);
+	}
+	if ((type & (DST_PRIVATE|DST_PUBLIC)) == 0)
+		return (0);
+
+	if (type & DST_PUBLIC) 
+		if ((pub = dst_s_write_public_key(key)) < 0)
+			return (pub);
+	if (type & DST_PRIVATE)
+		if ((priv = dst_s_write_private_key(key)) < 0)
+			return (priv);
+	return (priv+pub);
+}
+
+/*%
+ *  dst_write_private_key
+ *	Write a private key to disk.  The filename will be of the form:
+ *	K&lt;key-&gt;dk_name&gt;+&lt;key-&gt;dk_alg+&gt;&lt;key-d&gt;k_id.&gt;&lt;private key suffix&gt;.
+ *	If there is already a file with this name, an error is returned.
+ *
+ *  Parameters
+ *	key     A DST managed key structure that contains
+ *	      all information needed about a key.
+ *  Return
+ *	&gt;= 0    Correct behavior.  Returns length of encoded key value
+ *		  written to disk.
+ *	&lt;  0    error.
+ */
+
+static int
+dst_s_write_private_key(const DST_KEY *key)
+{
+	u_char encoded_block[RAW_KEY_SIZE];
+	char file[PATH_MAX];
+	int len;
+	FILE *fp;
+
+	/* First encode the key into the portable key format */
+	if (key == NULL)
+		return (-1);
+	if (key->dk_KEY_struct == NULL)
+		return (0);	/*%< null key has no private key */
+	if (key->dk_func == NULL || key->dk_func->to_file_fmt == NULL) {
+		EREPORT(("dst_write_private_key(): Unsupported operation %d\n",
+			 key->dk_alg));
+		return (-5);
+	} else if ((len = key->dk_func->to_file_fmt(key, (char *)encoded_block,
+					     sizeof(encoded_block))) <= 0) {
+		EREPORT(("dst_write_private_key(): Failed encoding private RSA bsafe key %d\n", len));
+		return (-8);
+	}
+	/* Now I can create the file I want to use */
+	dst_s_build_filename(file, key->dk_key_name, key->dk_id, key->dk_alg,
+			     PRIVATE_KEY, PATH_MAX);
+
+	/* Do not overwrite an existing file */
+	if ((fp = dst_s_fopen(file, "w", 0600)) != NULL) {
+		int nn;
+		if ((nn = fwrite(encoded_block, 1, len, fp)) != len) {
+			EREPORT(("dst_write_private_key(): Write failure on %s %d != %d errno=%d\n",
+				 file, len, nn, errno));
+			fclose(fp);
+			return (-5);
+		}
+		fclose(fp);
+	} else {
+		EREPORT(("dst_write_private_key(): Can not create file %s\n"
+			 ,file));
+		return (-6);
+	}
+	memset(encoded_block, 0, len);
+	return (len);
+}
+
+/*%
+*
+ *  dst_read_public_key
+ *	Read a public key from disk and store in a DST key structure.
+ *  Parameters
+ *	in_name	 K&lt;in_name&gt;&lt;in_id&gt;.&lt;public key suffix&gt; is the
+ *		      filename of the key file to be read.
+ *  Returns
+ *	NULL	    If the key does not exist or no name is supplied.
+ *	NON-NULL	Initialized key structure if the key exists.
+ */
+
+static DST_KEY *
+dst_s_read_public_key(const char *in_name, const u_int16_t in_id, int in_alg)
+{
+	int flags, proto, alg, len, dlen;
+	int c;
+	char name[PATH_MAX], enckey[RAW_KEY_SIZE], *notspace;
+	u_char deckey[RAW_KEY_SIZE];
+	FILE *fp;
+
+	if (in_name == NULL) {
+		EREPORT(("dst_read_public_key(): No key name given\n"));
+		return (NULL);
+	}
+	if (dst_s_build_filename(name, in_name, in_id, in_alg, PUBLIC_KEY,
+				 PATH_MAX) == -1) {
+		EREPORT(("dst_read_public_key(): Cannot make filename from %s, %d, and %s\n",
+			 in_name, in_id, PUBLIC_KEY));
+		return (NULL);
+	}
+	/*
+	 * Open the file and read it's formatted contents up to key
+	 * File format:
+	 *    domain.name [ttl] [IN] KEY  &lt;flags&gt; &lt;protocol&gt; &lt;algorithm&gt; &lt;key&gt;
+	 * flags, proto, alg stored as decimal (or hex numbers FIXME).
+	 * (FIXME: handle parentheses for line continuation.)
+	 */
+	if ((fp = dst_s_fopen(name, "r", 0)) == NULL) {
+		EREPORT(("dst_read_public_key(): Public Key not found %s\n",
+			 name));
+		return (NULL);
+	}
+	/* Skip domain name, which ends at first blank */
+	while ((c = getc(fp)) != EOF)
+		if (isspace(c))
+			break;
+	/* Skip blank to get to next field */
+	while ((c = getc(fp)) != EOF)
+		if (!isspace(c))
+			break;
+
+	/* Skip optional TTL -- if initial digit, skip whole word. */
+	if (isdigit(c)) {
+		while ((c = getc(fp)) != EOF)
+			if (isspace(c))
+				break;
+		while ((c = getc(fp)) != EOF)
+			if (!isspace(c))
+				break;
+	}
+	/* Skip optional "IN" */
+	if (c == 'I' || c == 'i') {
+		while ((c = getc(fp)) != EOF)
+			if (isspace(c))
+				break;
+		while ((c = getc(fp)) != EOF)
+			if (!isspace(c))
+				break;
+	}
+	/* Locate and skip "KEY" */
+	if (c != 'K' && c != 'k') {
+		EREPORT(("\"KEY\" doesn't appear in file: %s", name));
+		return NULL;
+	}
+	while ((c = getc(fp)) != EOF)
+		if (isspace(c))
+			break;
+	while ((c = getc(fp)) != EOF)
+		if (!isspace(c))
+			break;
+	ungetc(c, fp);		/*%< return the charcter to the input field */
+	/* Handle hex!! FIXME.  */
+
+	if (fscanf(fp, "%d %d %d", &flags, &proto, &alg) != 3) {
+		EREPORT(("dst_read_public_key(): Can not read flag/proto/alg field from %s\n"
+			 ,name));
+		return (NULL);
+	}
+	/* read in the key string */
+	fgets(enckey, sizeof(enckey), fp);
+
+	/* If we aren't at end-of-file, something is wrong.  */
+	while ((c = getc(fp)) != EOF)
+		if (!isspace(c))
+			break;
+	if (!feof(fp)) {
+		EREPORT(("Key too long in file: %s", name));
+		return NULL;
+	}
+	fclose(fp);
+
+	if ((len = strlen(enckey)) <= 0)
+		return (NULL);
+
+	/* discard \n */
+	enckey[--len] = '\0';
+
+	/* remove leading spaces */
+	for (notspace = (char *) enckey; isspace((*notspace)&0xff); len--)
+		notspace++;
+
+	dlen = b64_pton(notspace, deckey, sizeof(deckey));
+	if (dlen < 0) {
+		EREPORT(("dst_read_public_key: bad return from b64_pton = %d",
+			 dlen));
+		return (NULL);
+	}
+	/* store key and info in a key structure that is returned */
+/*	return dst_store_public_key(in_name, alg, proto, 666, flags, deckey,
+				    dlen);*/
+	return dst_buffer_to_key(in_name, alg, flags, proto, deckey, dlen);
+}
+
+/*%
+ *  dst_write_public_key
+ *	Write a key to disk in DNS format.
+ *  Parameters
+ *	key     Pointer to a DST key structure.
+ *  Returns
+ *	0       Failure
+ *	1       Success
+ */
+
+static int
+dst_s_write_public_key(const DST_KEY *key)
+{
+	FILE *fp;
+	char filename[PATH_MAX];
+	u_char out_key[RAW_KEY_SIZE];
+	char enc_key[RAW_KEY_SIZE];
+	int len = 0;
+	int mode;
+
+	memset(out_key, 0, sizeof(out_key));
+	if (key == NULL) {
+		EREPORT(("dst_write_public_key(): No key specified \n"));
+		return (0);
+	} else if ((len = dst_key_to_dnskey(key, out_key, sizeof(out_key)))< 0)
+		return (0);
+
+	/* Make the filename */
+	if (dst_s_build_filename(filename, key->dk_key_name, key->dk_id,
+				 key->dk_alg, PUBLIC_KEY, PATH_MAX) == -1) {
+		EREPORT(("dst_write_public_key(): Cannot make filename from %s, %d, and %s\n",
+			 key->dk_key_name, key->dk_id, PUBLIC_KEY));
+		return (0);
+	}
+	/* XXX in general this should be a check for symmetric keys */
+	mode = (key->dk_alg == KEY_HMAC_MD5) ? 0600 : 0644;
+	/* create public key file */
+	if ((fp = dst_s_fopen(filename, "w+", mode)) == NULL) {
+		EREPORT(("DST_write_public_key: open of file:%s failed (errno=%d)\n",
+			 filename, errno));
+		return (0);
+	}
+	/*write out key first base64 the key data */
+	if (key->dk_flags & DST_EXTEND_FLAG)
+		b64_ntop(&out_key[6], len - 6, enc_key, sizeof(enc_key));
+	else
+		b64_ntop(&out_key[4], len - 4, enc_key, sizeof(enc_key));
+	fprintf(fp, "%s IN KEY %d %d %d %s\n",
+		key->dk_key_name,
+		key->dk_flags, key->dk_proto, key->dk_alg, enc_key);
+	fclose(fp);
+	return (1);
+}
+
+/*%
+ *  dst_dnskey_to_public_key
+ *	This function converts the contents of a DNS KEY RR into a DST
+ *	key structure.
+ *  Paramters
+ *	len	 Length of the RDATA of the KEY RR RDATA
+ *	rdata	 A pointer to the the KEY RR RDATA.
+ *	in_name     Key name to be stored in key structure.
+ *  Returns
+ *	NULL	    Failure
+ *	NON-NULL	Success.  Pointer to key structure.
+ *			Caller's responsibility to free() it.
+ */
+
+DST_KEY *
+dst_dnskey_to_key(const char *in_name, const u_char *rdata, const int len)
+{
+	DST_KEY *key_st;
+	int alg ;
+	int start = DST_KEY_START;
+
+	if (rdata == NULL || len <= DST_KEY_ALG) /*%< no data */
+		return (NULL);
+	alg = (u_int8_t) rdata[DST_KEY_ALG];
+	if (!dst_check_algorithm(alg)) { /*%< make sure alg is available */
+		EREPORT(("dst_dnskey_to_key(): Algorithm %d not suppored\n",
+			 alg));
+		return (NULL);
+	}
+
+	if (in_name == NULL)
+		return (NULL);
+
+	if ((key_st = dst_s_get_key_struct(in_name, alg, 0, 0, 0)) == NULL)
+		return (NULL);
+
+	key_st->dk_id = dst_s_dns_key_id(rdata, len);
+	key_st->dk_flags = dst_s_get_int16(rdata);
+	key_st->dk_proto = (u_int16_t) rdata[DST_KEY_PROT];
+	if (key_st->dk_flags & DST_EXTEND_FLAG) {
+		u_int32_t ext_flags;
+		ext_flags = (u_int32_t) dst_s_get_int16(&rdata[DST_EXT_FLAG]);
+		key_st->dk_flags = key_st->dk_flags | (ext_flags << 16);
+		start += 2;
+	}
+	/*
+	 * now point to the begining of the data representing the encoding
+	 * of the key
+	 */
+	if (key_st->dk_func && key_st->dk_func->from_dns_key) {
+		if (key_st->dk_func->from_dns_key(key_st, &rdata[start],
+						  len - start) > 0)
+			return (key_st);
+	} else
+		EREPORT(("dst_dnskey_to_public_key(): unsuppored alg %d\n",
+			 alg));
+
+	SAFE_FREE(key_st);
+	return (key_st);
+}
+
+/*%
+ *  dst_public_key_to_dnskey
+ *	Function to encode a public key into DNS KEY wire format 
+ *  Parameters
+ *	key	     Key structure to encode.
+ *	out_storage     Location to write the encoded key to.
+ *	out_len	 Size of the output array.
+ *  Returns
+ *	<0      Failure
+ *	>=0     Number of bytes written to out_storage
+ */
+
+int
+dst_key_to_dnskey(const DST_KEY *key, u_char *out_storage,
+			 const int out_len)
+{
+	u_int16_t val;
+	int loc = 0;
+	int enc_len = 0;
+	if (key == NULL)
+		return (-1);
+
+	if (!dst_check_algorithm(key->dk_alg)) { /*%< make sure alg is available */
+		EREPORT(("dst_key_to_dnskey(): Algorithm %d not suppored\n",
+			 key->dk_alg));
+		return (UNSUPPORTED_KEYALG);
+	}
+	memset(out_storage, 0, out_len);
+	val = (u_int16_t)(key->dk_flags & 0xffff);
+	dst_s_put_int16(out_storage, val);
+	loc += 2;
+
+	out_storage[loc++] = (u_char) key->dk_proto;
+	out_storage[loc++] = (u_char) key->dk_alg;
+
+	if (key->dk_flags > 0xffff) {	/*%< Extended flags */
+		val = (u_int16_t)((key->dk_flags >> 16) & 0xffff);
+		dst_s_put_int16(&out_storage[loc], val);
+		loc += 2;
+	}
+	if (key->dk_KEY_struct == NULL)
+		return (loc);
+	if (key->dk_func && key->dk_func->to_dns_key) {
+		enc_len = key->dk_func->to_dns_key(key,
+						 (u_char *) &out_storage[loc],
+						   out_len - loc);
+		if (enc_len > 0)
+			return (enc_len + loc);
+		else
+			return (-1);
+	} else
+		EREPORT(("dst_key_to_dnskey(): Unsupported ALG %d\n",
+			 key->dk_alg));
+	return (-1);
+}
+
+/*%
+ *  dst_buffer_to_key
+ *	Function to encode a string of raw data into a DST key
+ *  Parameters
+ *	alg		The algorithm (HMAC only)
+ *	key		A pointer to the data
+ *	keylen		The length of the data
+ *  Returns
+ *	NULL	    an error occurred
+ *	NON-NULL	the DST key
+ */
+DST_KEY *
+dst_buffer_to_key(const char *key_name,		/*!< name of the key  */
+		  const int alg,		/*!< algorithm  */
+		  const int flags,		/*!< dns flags  */
+		  const int protocol,		/*!< dns protocol  */
+		  const u_char *key_buf,	/*!< key in dns wire fmt  */
+		  const int key_len)		/*!< size of key  */
+{
+	
+	DST_KEY *dkey = NULL; 
+	int dnslen;
+	u_char dns[2048];
+
+	if (!dst_check_algorithm(alg)) { /*%< make sure alg is available */
+		EREPORT(("dst_buffer_to_key(): Algorithm %d not suppored\n", alg));
+		return (NULL);
+	}
+
+	dkey = dst_s_get_key_struct(key_name, alg, flags, protocol, -1);
+
+	if (dkey == NULL || dkey->dk_func == NULL ||
+	    dkey->dk_func->from_dns_key == NULL) 
+		return (dst_free_key(dkey));
+
+	if (dkey->dk_func->from_dns_key(dkey, key_buf, key_len) < 0) {
+		EREPORT(("dst_buffer_to_key(): dst_buffer_to_hmac failed\n"));
+		return (dst_free_key(dkey));
+	}
+
+	dnslen = dst_key_to_dnskey(dkey, dns, sizeof(dns));
+	dkey->dk_id = dst_s_dns_key_id(dns, dnslen);
+	return (dkey);
+}
+
+int 
+dst_key_to_buffer(DST_KEY *key, u_char *out_buff, int buf_len)
+{
+	int len;
+  /* this function will extrac the secret of HMAC into a buffer */
+	if (key == NULL) 
+		return (0);
+	if (key->dk_func != NULL && key->dk_func->to_dns_key != NULL) {
+		len = key->dk_func->to_dns_key(key, out_buff, buf_len);
+		if (len < 0)
+			return (0);
+		return (len);
+	}
+	return (0);
+}
+
+/*%
+ * dst_s_read_private_key_file
+ *     Function reads in private key from a file.
+ *     Fills out the KEY structure.
+ * Parameters
+ *     name    Name of the key to be read.
+ *     pk_key  Structure that the key is returned in.
+ *     in_id   Key identifier (tag)
+ * Return
+ *     1 if everthing works
+ *     0 if there is any problem
+ */
+
+static int
+dst_s_read_private_key_file(char *name, DST_KEY *pk_key, u_int16_t in_id,
+			    int in_alg)
+{
+	int cnt, alg, len, major, minor, file_major, file_minor;
+	int ret, id;
+	char filename[PATH_MAX];
+	u_char in_buff[RAW_KEY_SIZE], *p;
+	FILE *fp;
+	int dnslen;
+	u_char dns[2048];
+
+	if (name == NULL || pk_key == NULL) {
+		EREPORT(("dst_read_private_key_file(): No key name given\n"));
+		return (0);
+	}
+	/* Make the filename */
+	if (dst_s_build_filename(filename, name, in_id, in_alg, PRIVATE_KEY,
+				 PATH_MAX) == -1) {
+		EREPORT(("dst_read_private_key(): Cannot make filename from %s, %d, and %s\n",
+			 name, in_id, PRIVATE_KEY));
+		return (0);
+	}
+	/* first check if we can find the key file */
+	if ((fp = dst_s_fopen(filename, "r", 0)) == NULL) {
+		EREPORT(("dst_s_read_private_key_file: Could not open file %s in directory %s\n",
+			 filename, dst_path[0] ? dst_path :
+			 (char *) getcwd(NULL, PATH_MAX - 1)));
+		return (0);
+	}
+	/* now read the header info from the file */
+	if ((cnt = fread(in_buff, 1, sizeof(in_buff), fp)) < 5) {
+		fclose(fp);
+		EREPORT(("dst_s_read_private_key_file: error reading file %s (empty file)\n",
+			 filename));
+		return (0);
+	}
+	/* decrypt key */
+	fclose(fp);
+	if (memcmp(in_buff, "Private-key-format: v", 20) != 0)
+		goto fail;
+	len = cnt;
+	p = in_buff;
+
+	if (!dst_s_verify_str((const char **) (void *)&p,
+			       "Private-key-format: v")) {
+		EREPORT(("dst_s_read_private_key_file(): Not a Key file/Decrypt failed %s\n", name));
+		goto fail;
+	}
+	/* read in file format */
+	sscanf((char *)p, "%d.%d", &file_major, &file_minor);
+	sscanf(KEY_FILE_FORMAT, "%d.%d", &major, &minor);
+	if (file_major < 1) {
+		EREPORT(("dst_s_read_private_key_file(): Unknown keyfile %d.%d version for %s\n",
+			 file_major, file_minor, name));
+		goto fail;
+	} else if (file_major > major || file_minor > minor)
+		EREPORT((
+				"dst_s_read_private_key_file(): Keyfile %s version higher than mine %d.%d MAY FAIL\n",
+				name, file_major, file_minor));
+
+	while (*p++ != '\n') ;	/*%< skip to end of line */
+
+	if (!dst_s_verify_str((const char **) (void *)&p, "Algorithm: "))
+		goto fail;
+
+	if (sscanf((char *)p, "%d", &alg) != 1)
+		goto fail;
+	while (*p++ != '\n') ;	/*%< skip to end of line */
+
+	if (pk_key->dk_key_name && !strcmp(pk_key->dk_key_name, name))
+		SAFE_FREE2(pk_key->dk_key_name, strlen(pk_key->dk_key_name));
+	pk_key->dk_key_name = (char *) strdup(name);
+
+	/* allocate and fill in key structure */
+	if (pk_key->dk_func == NULL || pk_key->dk_func->from_file_fmt == NULL)
+		goto fail;
+
+	ret = pk_key->dk_func->from_file_fmt(pk_key, (char *)p, &in_buff[len] - p);
+	if (ret < 0)
+		goto fail;
+
+	dnslen = dst_key_to_dnskey(pk_key, dns, sizeof(dns));
+	id = dst_s_dns_key_id(dns, dnslen);
+
+	/* Make sure the actual key tag matches the input tag used in the filename
+	 */
+	if (id != in_id) {
+		EREPORT(("dst_s_read_private_key_file(): actual tag of key read %d != input tag used to build filename %d.\n", id, in_id));
+		goto fail;
+	}
+	pk_key->dk_id = (u_int16_t) id;
+	pk_key->dk_alg = alg;
+	memset(in_buff, 0, cnt);
+	return (1);
+
+ fail:
+	memset(in_buff, 0, cnt);
+	return (0);
+}
+
+/*%
+ *	Generate and store a public/private keypair.
+ *	Keys will be stored in formatted files.
+ *
+ *  Parameters
+ &
+ *\par	name    Name of the new key.  Used to create key files
+ *\li		  K&lt;name&gt;+&lt;alg&gt;+&lt;id&gt;.public and K&lt;name&gt;+&lt;alg&gt;+&lt;id&gt;.private.
+ *\par	bits    Size of the new key in bits.
+ *\par	exp     What exponent to use:
+ *\li		  0	   use exponent 3
+ *\li		  non-zero    use Fermant4
+ *\par	flags   The default value of the DNS Key flags.
+ *\li		  The DNS Key RR Flag field is defined in RFC2065,
+ *		  section 3.3.  The field has 16 bits.
+ *\par	protocol
+ *\li	      Default value of the DNS Key protocol field.
+ *\li		  The DNS Key protocol field is defined in RFC2065,
+ *		  section 3.4.  The field has 8 bits.
+ *\par	alg     What algorithm to use.  Currently defined:
+ *\li		  KEY_RSA       1
+ *\li		  KEY_DSA       3
+ *\li		  KEY_HMAC    157
+ *\par	out_id The key tag is returned.
+ *
+ *  Return
+ *\li	NULL		Failure
+ *\li	non-NULL 	the generated key pair
+ *			Caller frees the result, and its dk_name pointer.
+ */
+DST_KEY *
+dst_generate_key(const char *name, const int bits, const int exp,
+		 const int flags, const int protocol, const int alg)
+{
+	DST_KEY *new_key = NULL;
+	int dnslen;
+	u_char dns[2048];
+
+	if (name == NULL)
+		return (NULL);
+
+	if (!dst_check_algorithm(alg)) { /*%< make sure alg is available */
+		EREPORT(("dst_generate_key(): Algorithm %d not suppored\n", alg));
+		return (NULL);
+	}
+
+	new_key = dst_s_get_key_struct(name, alg, flags, protocol, bits);
+	if (new_key == NULL)
+		return (NULL);
+	if (bits == 0) /*%< null key we are done */
+		return (new_key);
+	if (new_key->dk_func == NULL || new_key->dk_func->generate == NULL) {
+		EREPORT(("dst_generate_key_pair():Unsupported algorithm %d\n",
+			 alg));
+		return (dst_free_key(new_key));
+	}
+	if (new_key->dk_func->generate(new_key, exp) <= 0) {
+		EREPORT(("dst_generate_key_pair(): Key generation failure %s %d %d %d\n",
+			 new_key->dk_key_name, new_key->dk_alg,
+			 new_key->dk_key_size, exp));
+		return (dst_free_key(new_key));
+	}
+
+	dnslen = dst_key_to_dnskey(new_key, dns, sizeof(dns));
+	if (dnslen != UNSUPPORTED_KEYALG)
+		new_key->dk_id = dst_s_dns_key_id(dns, dnslen);
+	else
+		new_key->dk_id = 0;
+
+	return (new_key);
+}
+
+/*%
+ *	Release all data structures pointed to by a key structure.
+ *
+ *  Parameters
+ *\li	f_key   Key structure to be freed.
+ */
+
+DST_KEY *
+dst_free_key(DST_KEY *f_key)
+{
+
+	if (f_key == NULL)
+		return (f_key);
+	if (f_key->dk_func && f_key->dk_func->destroy)
+		f_key->dk_KEY_struct =
+			f_key->dk_func->destroy(f_key->dk_KEY_struct);
+	else {
+		EREPORT(("dst_free_key(): Unknown key alg %d\n",
+			 f_key->dk_alg));
+	}
+	if (f_key->dk_KEY_struct) {
+		free(f_key->dk_KEY_struct);
+		f_key->dk_KEY_struct = NULL;
+	}
+	if (f_key->dk_key_name)
+		SAFE_FREE(f_key->dk_key_name);
+	SAFE_FREE(f_key);
+	return (NULL);
+}
+
+/*%
+ *	Return the maximim size of signature from the key specified in bytes
+ *
+ * Parameters
+ *\li      key 
+ *
+ * Returns
+ *  \li   bytes
+ */
+int
+dst_sig_size(DST_KEY *key) {
+	switch (key->dk_alg) {
+	    case KEY_HMAC_MD5:
+		return (16);
+	    case KEY_HMAC_SHA1:
+		return (20);
+	    case KEY_RSA:
+		return (key->dk_key_size + 7) / 8;
+	    case KEY_DSA:
+		return (40);
+	    default:
+		EREPORT(("dst_sig_size(): Unknown key alg %d\n", key->dk_alg));
+		return -1;
+	}
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/dst/dst_internal.h b/usr/src/lib/libresolv2_joy/common/dst/dst_internal.h
new file mode 100644
index 0000000000..e9bc6fc08d
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/dst/dst_internal.h
@@ -0,0 +1,155 @@
+#ifndef DST_INTERNAL_H
+#define DST_INTERNAL_H
+
+/*
+ * Portions Copyright (c) 1995-1998 by Trusted Information Systems, Inc.
+ *
+ * Permission to use, copy modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND TRUSTED INFORMATION SYSTEMS
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL
+ * TRUSTED INFORMATION SYSTEMS BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THE SOFTWARE.
+ */
+#include <limits.h>
+#include <sys/param.h>
+#if (!defined(BSD)) || (BSD < 199306)
+# include <sys/bitypes.h>
+#else
+# include <sys/types.h>
+#endif
+
+#ifndef PATH_MAX
+# ifdef POSIX_PATH_MAX
+#  define PATH_MAX POSIX_PATH_MAX
+# else
+#  define PATH_MAX 255 /*%< this is the value of POSIX_PATH_MAX */
+# endif
+#endif 
+
+typedef struct dst_key {
+	char	*dk_key_name;   /*%< name of the key */
+	int	dk_key_size;    /*%< this is the size of the key in bits */
+	int	dk_proto;       /*%< what protocols this key can be used for */
+	int	dk_alg;         /*%< algorithm number from key record */
+	u_int32_t dk_flags;     /*%< and the flags of the public key */
+	u_int16_t dk_id;        /*%< identifier of the key */
+	void	*dk_KEY_struct; /*%< pointer to key in crypto pkg fmt */
+	struct dst_func *dk_func; /*%< point to cryptto pgk specific function table */
+} DST_KEY;
+#define HAS_DST_KEY 
+
+#include <isc/dst.h>
+/* 
+ * define what crypto systems are supported for RSA, 
+ * BSAFE is prefered over RSAREF; only one can be set at any time
+ */
+#if defined(BSAFE) && defined(RSAREF)
+# error "Cannot have both BSAFE and RSAREF defined"
+#endif
+
+/* Declare dst_lib specific constants */
+#define KEY_FILE_FORMAT "1.2"
+
+/* suffixes for key file names */
+#define PRIVATE_KEY		"private"
+#define PUBLIC_KEY		"key"
+
+/* error handling */
+#ifdef REPORT_ERRORS
+#define EREPORT(str)		printf str
+#else
+#define EREPORT(str)		(void)0
+#endif
+
+/* use our own special macro to FRRE memory */
+
+#ifndef SAFE_FREE
+#define SAFE_FREE(a) \
+do{if(a != NULL){memset(a,0, sizeof(*a)); free(a); a=NULL;}} while (0)
+#define SAFE_FREE2(a,s) if (a != NULL && (long)s > 0){memset(a,0, s);free(a); a=NULL;}
+#endif
+
+typedef struct dst_func {
+	int (*sign)(const int mode, DST_KEY *key, void **context,
+		     const u_int8_t *data, const int len,
+		     u_int8_t *signature, const int sig_len);
+	int (*verify)(const int mode, DST_KEY *key, void **context,
+		       const u_int8_t *data, const int len,
+		       const u_int8_t *signature, const int sig_len);
+	int (*compare)(const DST_KEY *key1, const DST_KEY *key2);
+	int (*generate)(DST_KEY *key, int parms);
+	void *(*destroy)(void *key);
+	/* conversion functions */
+	int (*to_dns_key)(const DST_KEY *key, u_int8_t *out,
+			   const int out_len);
+	int (*from_dns_key)(DST_KEY *key, const u_int8_t *str,
+			     const int str_len);
+	int (*to_file_fmt)(const DST_KEY *key, char *out,
+			    const int out_len);
+	int (*from_file_fmt)(DST_KEY *key, const char *out,
+			      const int out_len);
+
+} dst_func;
+
+extern dst_func *dst_t_func[DST_MAX_ALGS];
+extern const char *key_file_fmt_str;
+extern const char *dst_path;
+
+#ifndef DST_HASH_SIZE
+#define DST_HASH_SIZE 20	/*%< RIPEMD160 and SHA-1 are 20 bytes MD5 is 16 */
+#endif
+
+int dst_bsafe_init(void);
+
+int dst_rsaref_init(void);
+
+int dst_hmac_md5_init(void);
+
+int dst_cylink_init(void);
+
+int dst_eay_dss_init(void);
+
+/* from higher level support routines */
+int       dst_s_calculate_bits( const u_int8_t *str, const int max_bits); 
+int       dst_s_verify_str( const char **buf, const char *str);
+
+
+/* conversion between dns names and key file names */
+size_t    dst_s_filename_length( const char *name, const char *suffix); 
+int       dst_s_build_filename(  char *filename, const char *name, 
+			         u_int16_t id, int alg, const char *suffix, 
+			         size_t filename_length);
+
+FILE      *dst_s_fopen (const char *filename, const char *mode, int perm);
+
+/*%
+ * read and write network byte order into u_int?_t  
+ *  all of these should be retired
+ */
+u_int16_t dst_s_get_int16( const u_int8_t *buf);
+void      dst_s_put_int16( u_int8_t *buf, const u_int16_t val);
+
+u_int32_t dst_s_get_int32( const u_int8_t *buf);
+void      dst_s_put_int32( u_int8_t *buf, const u_int32_t val);
+
+#ifdef DUMP
+# undef DUMP
+# define DUMP(a,b,c,d) dst_s_dump(a,b,c,d)
+#else
+# define DUMP(a,b,c,d)
+#endif
+void
+dst_s_dump(const int mode, const u_char *data, const int size,
+            const char *msg);
+
+
+
+#endif /* DST_INTERNAL_H */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/dst/hmac_link.c b/usr/src/lib/libresolv2_joy/common/dst/hmac_link.c
new file mode 100644
index 0000000000..23925e4269
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/dst/hmac_link.c
@@ -0,0 +1,491 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+#ifdef HMAC_MD5
+#ifndef LINT
+static const char rcsid[] = "$Header: /proj/cvs/prod/libbind/dst/hmac_link.c,v 1.8 2007/09/24 17:18:25 each Exp $";
+#endif
+/*
+ * Portions Copyright (c) 1995-1998 by Trusted Information Systems, Inc.
+ *
+ * Permission to use, copy modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND TRUSTED INFORMATION SYSTEMS
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL
+ * TRUSTED INFORMATION SYSTEMS BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THE SOFTWARE.
+ */
+
+/*%
+ * This file contains an implementation of the HMAC-MD5 algorithm.
+ */
+#include "port_before.h"
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <memory.h>
+#include <sys/param.h>
+#include <sys/time.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+#include "dst_internal.h"
+
+#ifdef USE_MD5
+# ifndef HAVE_MD5
+#  include "md5.h"
+# else
+#  ifdef SOLARIS2
+#   include <sys/md5.h>
+#  endif
+# endif
+# ifndef _MD5_H_
+#  define _MD5_H_ 1	/*%< make sure we do not include rsaref md5.h file */
+# endif
+#endif
+
+#include "port_after.h"
+
+
+#define HMAC_LEN	64
+#define HMAC_IPAD	0x36
+#define HMAC_OPAD	0x5c
+#define MD5_LEN		16
+
+
+typedef struct hmackey {
+	u_char hk_ipad[64], hk_opad[64];
+} HMAC_Key;
+
+
+/************************************************************************** 
+ * dst_hmac_md5_sign
+ *     Call HMAC signing functions to sign a block of data.
+ *     There are three steps to signing, INIT (initialize structures), 
+ *     UPDATE (hash (more) data), FINAL (generate a signature).  This
+ *     routine performs one or more of these steps.
+ * Parameters
+ *     mode	SIG_MODE_INIT, SIG_MODE_UPDATE and/or SIG_MODE_FINAL.
+ *     priv_key    key to use for signing.
+ *     context   the context to be used in this digest
+ *     data	data to be signed.
+ *     len	 length in bytes of data.
+ *     signature   location to store signature.
+ *     sig_len     size of the signature location
+ * returns 
+ *	N  Success on SIG_MODE_FINAL = returns signature length in bytes
+ *	0  Success on SIG_MODE_INIT  and UPDATE
+ *	 <0  Failure
+ */
+
+static int
+dst_hmac_md5_sign(const int mode, DST_KEY *d_key, void **context, 
+		  const u_char *data, const int len, 
+		  u_char *signature, const int sig_len)
+{
+	HMAC_Key *key;
+	int sign_len = 0;
+	MD5_CTX *ctx = NULL;
+
+	if (d_key == NULL || d_key->dk_KEY_struct == NULL)
+		return (-1);
+
+	if (mode & SIG_MODE_INIT) 
+		ctx = (MD5_CTX *) malloc(sizeof(*ctx));
+	else if (context)
+		ctx = (MD5_CTX *) *context;
+	if (ctx == NULL) 
+		return (-1);
+
+	key = (HMAC_Key *) d_key->dk_KEY_struct;
+
+	if (mode & SIG_MODE_INIT) {
+		MD5Init(ctx);
+		MD5Update(ctx, key->hk_ipad, HMAC_LEN);
+	}
+
+	if ((mode & SIG_MODE_UPDATE) && (data && len > 0))
+		MD5Update(ctx, data, len);
+
+	if (mode & SIG_MODE_FINAL) {
+		if (signature == NULL || sig_len < MD5_LEN)
+			return (SIGN_FINAL_FAILURE);
+		MD5Final(signature, ctx);
+
+		/* perform outer MD5 */
+		MD5Init(ctx);
+		MD5Update(ctx, key->hk_opad, HMAC_LEN);
+		MD5Update(ctx, signature, MD5_LEN);
+		MD5Final(signature, ctx);
+		sign_len = MD5_LEN;
+		SAFE_FREE(ctx);
+	}
+	else { 
+		if (context == NULL) 
+			return (-1);
+		*context = (void *) ctx;
+	}		
+	return (sign_len);
+}
+
+
+/************************************************************************** 
+ * dst_hmac_md5_verify() 
+ *     Calls HMAC verification routines.  There are three steps to 
+ *     verification, INIT (initialize structures), UPDATE (hash (more) data), 
+ *     FINAL (generate a signature).  This routine performs one or more of 
+ *     these steps.
+ * Parameters
+ *     mode	SIG_MODE_INIT, SIG_MODE_UPDATE and/or SIG_MODE_FINAL.
+ *     dkey	key to use for verify.
+ *     data	data signed.
+ *     len	 length in bytes of data.
+ *     signature   signature.
+ *     sig_len     length in bytes of signature.
+ * returns 
+ *     0  Success 
+ *    <0  Failure
+ */
+
+static int
+dst_hmac_md5_verify(const int mode, DST_KEY *d_key, void **context,
+		const u_char *data, const int len,
+		const u_char *signature, const int sig_len)
+{
+	HMAC_Key *key;
+	MD5_CTX *ctx = NULL;
+
+	if (d_key == NULL || d_key->dk_KEY_struct == NULL)
+		return (-1);
+
+	if (mode & SIG_MODE_INIT) 
+		ctx = (MD5_CTX *) malloc(sizeof(*ctx));
+	else if (context)
+		ctx = (MD5_CTX *) *context;
+	if (ctx == NULL) 
+		return (-1);
+
+	key = (HMAC_Key *) d_key->dk_KEY_struct;
+	if (mode & SIG_MODE_INIT) {
+		MD5Init(ctx);
+		MD5Update(ctx, key->hk_ipad, HMAC_LEN);
+	}
+	if ((mode & SIG_MODE_UPDATE) && (data && len > 0))
+		MD5Update(ctx, data, len);
+
+	if (mode & SIG_MODE_FINAL) {
+		u_char digest[MD5_LEN];
+		if (signature == NULL || key == NULL || sig_len != MD5_LEN)
+			return (VERIFY_FINAL_FAILURE);
+		MD5Final(digest, ctx);
+
+		/* perform outer MD5 */
+		MD5Init(ctx);
+		MD5Update(ctx, key->hk_opad, HMAC_LEN);
+		MD5Update(ctx, digest, MD5_LEN);
+		MD5Final(digest, ctx);
+
+		SAFE_FREE(ctx);
+		if (memcmp(digest, signature, MD5_LEN) != 0)
+			return (VERIFY_FINAL_FAILURE);
+	}
+	else { 
+		if (context == NULL) 
+			return (-1);
+		*context = (void *) ctx;
+	}		
+	return (0);
+}
+
+
+/************************************************************************** 
+ * dst_buffer_to_hmac_md5
+ *     Converts key from raw data to an HMAC Key
+ *     This function gets in a pointer to the data
+ * Parameters
+ *     hkey	the HMAC key to be filled in
+ *     key	the key in raw format
+ *     keylen	the length of the key
+ * Return
+ *	0	Success
+ *	<0	Failure
+ */
+static int
+dst_buffer_to_hmac_md5(DST_KEY *dkey, const u_char *key, const int keylen)
+{
+	int i;
+	HMAC_Key *hkey = NULL;
+	MD5_CTX ctx;
+	int local_keylen = keylen;
+	u_char tk[MD5_LEN];
+
+	if (dkey == NULL || key == NULL || keylen < 0)
+		return (-1);
+
+	if ((hkey = (HMAC_Key *) malloc(sizeof(HMAC_Key))) == NULL)
+		  return (-2);
+
+	memset(hkey->hk_ipad, 0, sizeof(hkey->hk_ipad));
+	memset(hkey->hk_opad, 0, sizeof(hkey->hk_opad));
+
+	/* if key is longer than HMAC_LEN bytes reset it to key=MD5(key) */
+	if (keylen > HMAC_LEN) {
+		MD5Init(&ctx);
+		MD5Update(&ctx, key, keylen);
+		MD5Final(tk, &ctx);
+		memset((void *) &ctx, 0, sizeof(ctx));
+		key = tk;
+		local_keylen = MD5_LEN;
+	}
+	/* start out by storing key in pads */
+	memcpy(hkey->hk_ipad, key, local_keylen);
+	memcpy(hkey->hk_opad, key, local_keylen);
+
+	/* XOR key with hk_ipad and opad values */
+	for (i = 0; i < HMAC_LEN; i++) {
+		hkey->hk_ipad[i] ^= HMAC_IPAD;
+		hkey->hk_opad[i] ^= HMAC_OPAD;
+	}
+	dkey->dk_key_size = local_keylen;
+	dkey->dk_KEY_struct = (void *) hkey;
+	return (1);
+}
+
+
+/************************************************************************** 
+ *  dst_hmac_md5_key_to_file_format
+ *	Encodes an HMAC Key into the portable file format.
+ *  Parameters 
+ *	hkey      HMAC KEY structure 
+ *	buff      output buffer
+ *	buff_len  size of output buffer 
+ *  Return
+ *	0  Failure - null input hkey
+ *     -1  Failure - not enough space in output area
+ *	N  Success - Length of data returned in buff
+ */
+
+static int
+dst_hmac_md5_key_to_file_format(const DST_KEY *dkey, char *buff,
+			        const int buff_len)
+{
+	char *bp;
+	int len, i, key_len;
+	u_char key[HMAC_LEN];
+	HMAC_Key *hkey;
+
+	if (dkey == NULL || dkey->dk_KEY_struct == NULL) 
+		return (0);
+	/*
+	 * Using snprintf() would be so much simpler here.
+	 */
+	if (buff == NULL ||
+	    buff_len <= (int)(strlen(key_file_fmt_str) +
+			      strlen(KEY_FILE_FORMAT) + 4))
+		return (-1);	/*%< no OR not enough space in output area */
+	hkey = (HMAC_Key *) dkey->dk_KEY_struct;
+	memset(buff, 0, buff_len);	/*%< just in case */
+	/* write file header */
+	sprintf(buff, key_file_fmt_str, KEY_FILE_FORMAT, KEY_HMAC_MD5, "HMAC");
+
+	bp = buff + strlen(buff);
+
+	memset(key, 0, HMAC_LEN);
+	for (i = 0; i < HMAC_LEN; i++)
+		key[i] = hkey->hk_ipad[i] ^ HMAC_IPAD;
+	for (i = HMAC_LEN - 1; i >= 0; i--)
+		if (key[i] != 0)
+			break;
+	key_len = i + 1;
+
+	if (buff_len - (bp - buff) < 6)
+		return (-1);
+	strcat(bp, "Key: ");
+	bp += strlen("Key: ");
+
+	len = b64_ntop(key, key_len, bp, buff_len - (bp - buff));
+	if (len < 0) 
+		return (-1);
+	bp += len;
+	if (buff_len - (bp - buff) < 2)
+		return (-1);
+	*(bp++) = '\n';
+	*bp = '\0';
+
+	return (bp - buff);
+}
+
+
+/************************************************************************** 
+ * dst_hmac_md5_key_from_file_format
+ *     Converts contents of a key file into an HMAC key. 
+ * Parameters 
+ *     hkey    structure to put key into 
+ *     buff       buffer containing the encoded key 
+ *     buff_len   the length of the buffer
+ * Return
+ *     n >= 0 Foot print of the key converted 
+ *     n <  0 Error in conversion 
+ */
+
+static int
+dst_hmac_md5_key_from_file_format(DST_KEY *dkey, const char *buff,
+			      const int buff_len)
+{
+	const char *p = buff, *eol;
+	u_char key[HMAC_LEN+1];	/* b64_pton needs more than 64 bytes do decode
+				 * it should probably be fixed rather than doing
+				 * this
+				 */
+	u_char *tmp;
+	int key_len, len;
+
+	if (dkey == NULL)
+		return (-2);
+	if (buff == NULL || buff_len < 0)
+		return (-1);
+
+	memset(key, 0, sizeof(key));
+
+	if (!dst_s_verify_str(&p, "Key: "))
+		return (-3);
+
+	eol = strchr(p, '\n');
+	if (eol == NULL)
+		return (-4);
+	len = eol - p;
+	tmp = malloc(len + 2);
+	if (tmp == NULL)
+		return (-5);
+	memcpy(tmp, p, len);
+	*(tmp + len) = 0x0;
+	key_len = b64_pton((char *)tmp, key, HMAC_LEN+1);	/*%< see above */
+	SAFE_FREE2(tmp, len + 2);
+
+	if (dst_buffer_to_hmac_md5(dkey, key, key_len) < 0) {
+		return (-6);
+	}
+	return (0);
+}
+
+/*%
+ * dst_hmac_md5_to_dns_key() 
+ *         function to extract hmac key from DST_KEY structure 
+ * intput: 
+ *      in_key:  HMAC-MD5 key 
+ * output: 
+ *	out_str: buffer to write ot
+ *      out_len: size of output buffer 
+ * returns:
+ *      number of bytes written to output buffer 
+ */
+static int
+dst_hmac_md5_to_dns_key(const DST_KEY *in_key, u_char *out_str,
+			const int out_len)
+{
+
+	HMAC_Key *hkey;
+	int i;
+	
+	if (in_key == NULL || in_key->dk_KEY_struct == NULL ||
+	    out_len <= in_key->dk_key_size || out_str == NULL)
+		return (-1);
+
+	hkey = (HMAC_Key *) in_key->dk_KEY_struct;
+	for (i = 0; i < in_key->dk_key_size; i++)
+		out_str[i] = hkey->hk_ipad[i] ^ HMAC_IPAD;
+	return (i);
+}
+
+/************************************************************************** 
+ *  dst_hmac_md5_compare_keys
+ *	Compare two keys for equality.
+ *  Return
+ *	0	  The keys are equal
+ *	NON-ZERO   The keys are not equal
+ */
+
+static int
+dst_hmac_md5_compare_keys(const DST_KEY *key1, const DST_KEY *key2)
+{
+	HMAC_Key *hkey1 = (HMAC_Key *) key1->dk_KEY_struct;
+	HMAC_Key *hkey2 = (HMAC_Key *) key2->dk_KEY_struct;
+	return memcmp(hkey1->hk_ipad, hkey2->hk_ipad, HMAC_LEN);
+}
+
+/************************************************************************** 
+ * dst_hmac_md5_free_key_structure
+ *     Frees all (none) dynamically allocated structures in hkey
+ */
+
+static void *
+dst_hmac_md5_free_key_structure(void *key)
+{
+	HMAC_Key *hkey = key;
+	SAFE_FREE(hkey);
+	return (NULL);
+}
+
+
+/*************************************************************************** 
+ * dst_hmac_md5_generate_key
+ *     Creates a HMAC key of size size with a maximum size of 63 bytes
+ *     generating a HMAC key larger than 63 bytes makes no sense as that key 
+ *     is digested before use. 
+ */
+
+static int
+dst_hmac_md5_generate_key(DST_KEY *key, const int nothing)
+{
+	(void)key;
+	(void)nothing;
+	return (-1);
+}
+
+/*%
+ * dst_hmac_md5_init()  Function to answer set up function pointers for HMAC
+ *	   related functions 
+ */
+int
+dst_hmac_md5_init()
+{
+	if (dst_t_func[KEY_HMAC_MD5] != NULL)
+		return (1);
+	dst_t_func[KEY_HMAC_MD5] = malloc(sizeof(struct dst_func));
+	if (dst_t_func[KEY_HMAC_MD5] == NULL)
+		return (0);
+	memset(dst_t_func[KEY_HMAC_MD5], 0, sizeof(struct dst_func));
+	dst_t_func[KEY_HMAC_MD5]->sign = dst_hmac_md5_sign;
+	dst_t_func[KEY_HMAC_MD5]->verify = dst_hmac_md5_verify;
+	dst_t_func[KEY_HMAC_MD5]->compare = dst_hmac_md5_compare_keys;
+	dst_t_func[KEY_HMAC_MD5]->generate = dst_hmac_md5_generate_key;
+	dst_t_func[KEY_HMAC_MD5]->destroy = dst_hmac_md5_free_key_structure;
+	dst_t_func[KEY_HMAC_MD5]->to_dns_key = dst_hmac_md5_to_dns_key;
+	dst_t_func[KEY_HMAC_MD5]->from_dns_key = dst_buffer_to_hmac_md5;
+	dst_t_func[KEY_HMAC_MD5]->to_file_fmt = dst_hmac_md5_key_to_file_format;
+	dst_t_func[KEY_HMAC_MD5]->from_file_fmt = dst_hmac_md5_key_from_file_format;
+	return (1);
+}
+
+#else 
+#define	dst_hmac_md5_init	__dst_hmac_md5_init
+
+int
+dst_hmac_md5_init(){
+	return (0);
+}
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/dst/support.c b/usr/src/lib/libresolv2_joy/common/dst/support.c
new file mode 100644
index 0000000000..8f827667d6
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/dst/support.c
@@ -0,0 +1,342 @@
+static const char rcsid[] = "$Header: /proj/cvs/prod/libbind/dst/support.c,v 1.6 2005/10/11 00:10:13 marka Exp $";
+
+
+/*
+ * Portions Copyright (c) 1995-1998 by Trusted Information Systems, Inc.
+ *
+ * Permission to use, copy modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND TRUSTED INFORMATION SYSTEMS
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL
+ * TRUSTED INFORMATION SYSTEMS BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THE SOFTWARE.
+ */
+
+#include "port_before.h"
+
+#include <stdio.h>
+#include <unistd.h>
+#include <memory.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+#include "dst_internal.h"
+
+#include "port_after.h"
+
+/*%
+ * dst_s_verify_str()
+ *     Validate that the input string(*str) is at the head of the input
+ *     buffer(**buf).  If so, move the buffer head pointer (*buf) to
+ *     the first byte of data following the string(*str).
+ * Parameters
+ *     buf     Input buffer.
+ *     str     Input string.
+ * Return
+ *	0       *str is not the head of **buff
+ *	1       *str is the head of **buff, *buf is is advanced to
+ *	the tail of **buf.
+ */
+
+int
+dst_s_verify_str(const char **buf, const char *str)
+{
+	int b, s;
+	if (*buf == NULL)	/*%< error checks */
+		return (0);
+	if (str == NULL || *str == '\0')
+		return (1);
+
+	b = strlen(*buf);	/*%< get length of strings */
+	s = strlen(str);
+	if (s > b || strncmp(*buf, str, s))	/*%< check if same */
+		return (0);	/*%< not a match */
+	(*buf) += s;		/*%< advance pointer */
+	return (1);
+}
+
+/*%
+ * dst_s_calculate_bits
+ *     Given a binary number represented in a u_char[], determine
+ *     the number of significant bits used.
+ * Parameters
+ *     str       An input character string containing a binary number.
+ *     max_bits The maximum possible significant bits.
+ * Return
+ *     N       The number of significant bits in str.
+ */
+
+int
+dst_s_calculate_bits(const u_char *str, const int max_bits)
+{
+	const u_char *p = str;
+	u_char i, j = 0x80;
+	int bits;
+	for (bits = max_bits; *p == 0x00 && bits > 0; p++)
+		bits -= 8;
+	for (i = *p; (i & j) != j; j >>= 1)
+		bits--;
+	return (bits);
+}
+
+/*%
+ * calculates a checksum used in dst for an id.
+ * takes an array of bytes and a length.
+ * returns a 16  bit checksum.
+ */
+u_int16_t
+dst_s_id_calc(const u_char *key, const int keysize)
+{
+	u_int32_t ac;
+	const u_char *kp = key;
+	int size = keysize;
+
+	if (!key || (keysize <= 0))
+		return (0xffffU);
+ 
+	for (ac = 0; size > 1; size -= 2, kp += 2)
+		ac += ((*kp) << 8) + *(kp + 1);
+
+	if (size > 0)
+		ac += ((*kp) << 8);
+	ac += (ac >> 16) & 0xffff;
+
+	return (ac & 0xffff);
+}
+
+/*%
+ * dst_s_dns_key_id() Function to calculate DNSSEC footprint from KEY record
+ *   rdata
+ * Input:
+ *	dns_key_rdata: the raw data in wire format 
+ *      rdata_len: the size of the input data 
+ * Output:
+ *      the key footprint/id calculated from the key data 
+ */ 
+u_int16_t
+dst_s_dns_key_id(const u_char *dns_key_rdata, const int rdata_len)
+{
+	if (!dns_key_rdata)
+		return 0;
+
+	/* compute id */
+	if (dns_key_rdata[3] == KEY_RSA)	/*%< Algorithm RSA */
+		return dst_s_get_int16((const u_char *)
+				       &dns_key_rdata[rdata_len - 3]);
+	else if (dns_key_rdata[3] == KEY_HMAC_MD5)
+		/* compatibility */
+		return 0;
+	else
+		/* compute a checksum on the key part of the key rr */
+		return dst_s_id_calc(dns_key_rdata, rdata_len);
+}
+
+/*%
+ * dst_s_get_int16
+ *     This routine extracts a 16 bit integer from a two byte character
+ *     string.  The character string is assumed to be in network byte
+ *     order and may be unaligned.  The number returned is in host order.
+ * Parameter
+ *     buf     A two byte character string.
+ * Return
+ *     The converted integer value.
+ */
+
+u_int16_t
+dst_s_get_int16(const u_char *buf)
+{
+	register u_int16_t a = 0;
+	a = ((u_int16_t)(buf[0] << 8)) | ((u_int16_t)(buf[1]));
+	return (a);
+}
+
+/*%
+ * dst_s_get_int32
+ *     This routine extracts a 32 bit integer from a four byte character
+ *     string.  The character string is assumed to be in network byte
+ *     order and may be unaligned.  The number returned is in host order.
+ * Parameter
+ *     buf     A four byte character string.
+ * Return
+ *     The converted integer value.
+ */
+
+u_int32_t
+dst_s_get_int32(const u_char *buf)
+{
+	register u_int32_t a = 0;
+	a = ((u_int32_t)(buf[0] << 24)) | ((u_int32_t)(buf[1] << 16)) |
+		((u_int32_t)(buf[2] << 8)) | ((u_int32_t)(buf[3]));
+	return (a);
+}
+
+/*%
+ * dst_s_put_int16
+ *     Take a 16 bit integer and store the value in a two byte
+ *     character string.  The integer is assumed to be in network
+ *     order and the string is returned in host order.
+ *
+ * Parameters
+ *     buf     Storage for a two byte character string.
+ *     val     16 bit integer.
+ */
+
+void
+dst_s_put_int16(u_int8_t *buf, const u_int16_t val)
+{
+	buf[0] = (u_int8_t)(val >> 8);
+	buf[1] = (u_int8_t)(val);
+}
+
+/*%
+ * dst_s_put_int32
+ *     Take a 32 bit integer and store the value in a four byte
+ *     character string.  The integer is assumed to be in network
+ *     order and the string is returned in host order.
+ *
+ * Parameters
+ *     buf     Storage for a four byte character string.
+ *     val     32 bit integer.
+ */
+
+void
+dst_s_put_int32(u_int8_t *buf, const u_int32_t val)
+{
+	buf[0] = (u_int8_t)(val >> 24);
+	buf[1] = (u_int8_t)(val >> 16);
+	buf[2] = (u_int8_t)(val >> 8);
+	buf[3] = (u_int8_t)(val);
+}
+
+/*%
+ *  dst_s_filename_length
+ *
+ *	This function returns the number of bytes needed to hold the
+ *	filename for a key file.  '/', '\' and ':' are not allowed.
+ *	form:  K&lt;keyname&gt;+&lt;alg&gt;+&lt;id&gt;.&lt;suffix&gt;
+ *
+ *	Returns 0 if the filename would contain either '\', '/' or ':'
+ */
+size_t
+dst_s_filename_length(const char *name, const char *suffix)
+{
+	if (name == NULL)
+		return (0);
+	if (strrchr(name, '\\'))
+		return (0);
+	if (strrchr(name, '/'))
+		return (0);
+	if (strrchr(name, ':'))
+		return (0);
+	if (suffix == NULL)
+		return (0);
+	if (strrchr(suffix, '\\'))
+		return (0);
+	if (strrchr(suffix, '/'))
+		return (0);
+	if (strrchr(suffix, ':'))
+		return (0);
+	return (1 + strlen(name) + 6 + strlen(suffix));
+}
+
+/*%
+ *  dst_s_build_filename ()
+ *	Builds a key filename from the key name, it's id, and a
+ *	suffix.  '\', '/' and ':' are not allowed. fA filename is of the
+ *	form:  K&lt;keyname&gt;&lt;id&gt;.&lt;suffix&gt;
+ *	form: K&lt;keyname&gt;+&lt;alg&gt;+&lt;id&gt;.&lt;suffix&gt;
+ *
+ *	Returns -1 if the conversion fails:
+ *	  if the filename would be too long for space allotted
+ *	  if the filename would contain a '\', '/' or ':'
+ *	Returns 0 on success
+ */
+
+int
+dst_s_build_filename(char *filename, const char *name, u_int16_t id,
+		     int alg, const char *suffix, size_t filename_length)
+{
+	u_int32_t my_id;
+	if (filename == NULL)
+		return (-1);
+	memset(filename, 0, filename_length);
+	if (name == NULL)
+		return (-1);
+	if (suffix == NULL)
+		return (-1);
+	if (filename_length < 1 + strlen(name) + 4 + 6 + 1 + strlen(suffix))
+		return (-1);
+	my_id = id;
+	sprintf(filename, "K%s+%03d+%05d.%s", name, alg, my_id,
+		(const char *) suffix);
+	if (strrchr(filename, '/'))
+		return (-1);
+	if (strrchr(filename, '\\'))
+		return (-1);
+	if (strrchr(filename, ':'))
+		return (-1);
+	return (0);
+}
+
+/*%
+ *  dst_s_fopen ()
+ *     Open a file in the dst_path directory.  If perm is specified, the
+ *     file is checked for existence first, and not opened if it exists.
+ *  Parameters
+ *     filename  File to open
+ *     mode       Mode to open the file (passed directly to fopen)
+ *     perm       File permission, if creating a new file.
+ *  Returns
+ *     NULL       Failure
+ *     NON-NULL  (FILE *) of opened file.
+ */
+FILE *
+dst_s_fopen(const char *filename, const char *mode, int perm)
+{
+	FILE *fp;
+	char pathname[PATH_MAX];
+
+	if (strlen(filename) + strlen(dst_path) >= sizeof(pathname))
+		return (NULL);
+
+	if (*dst_path != '\0') {
+		strcpy(pathname, dst_path);
+		strcat(pathname, filename);
+	} else
+		strcpy(pathname, filename);
+	
+	fp = fopen(pathname, mode);
+	if (perm)
+		chmod(pathname, perm);
+	return (fp);
+}
+
+void
+dst_s_dump(const int mode, const u_char *data, const int size, 
+	    const char *msg)
+{
+	UNUSED(data);
+
+	if (size > 0) {
+#ifdef LONG_TEST
+		static u_char scratch[1000];
+		int n ;
+		n = b64_ntop(data, scratch, size, sizeof(scratch));
+		printf("%s: %x %d %s\n", msg, mode, n, scratch);
+#else
+		printf("%s,%x %d\n", msg, mode, size);
+#endif
+	}
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/inet/inet_cidr_ntop.c b/usr/src/lib/libresolv2_joy/common/inet/inet_cidr_ntop.c
new file mode 100644
index 0000000000..bf960a8acc
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/inet/inet_cidr_ntop.c
@@ -0,0 +1,263 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1998,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: inet_cidr_ntop.c,v 1.7 2006/10/11 02:18:18 marka Exp $";
+#endif
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "port_after.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) ((size_t)sprintf x)
+#endif
+
+static char *
+inet_cidr_ntop_ipv4(const u_char *src, int bits, char *dst, size_t size);
+static char *
+inet_cidr_ntop_ipv6(const u_char *src, int bits, char *dst, size_t size);
+
+/*%
+ * char *
+ * inet_cidr_ntop(af, src, bits, dst, size)
+ *	convert network address from network to presentation format.
+ *	"src"'s size is determined from its "af".
+ * return:
+ *	pointer to dst, or NULL if an error occurred (check errno).
+ * note:
+ *	192.5.5.1/28 has a nonzero host part, which means it isn't a network
+ *	as called for by inet_net_ntop() but it can be a host address with
+ *	an included netmask.
+ * author:
+ *	Paul Vixie (ISC), October 1998
+ */
+char *
+inet_cidr_ntop(int af, const void *src, int bits, char *dst, size_t size) {
+	switch (af) {
+	case AF_INET:
+		return (inet_cidr_ntop_ipv4(src, bits, dst, size));
+	case AF_INET6:
+		return (inet_cidr_ntop_ipv6(src, bits, dst, size));
+	default:
+		errno = EAFNOSUPPORT;
+		return (NULL);
+	}
+}
+
+static int
+decoct(const u_char *src, int bytes, char *dst, size_t size) {
+	char *odst = dst;
+	char *t;
+	int b;
+
+	for (b = 1; b <= bytes; b++) {
+		if (size < sizeof "255.")
+			return (0);
+		t = dst;
+		dst += SPRINTF((dst, "%u", *src++));
+		if (b != bytes) {
+			*dst++ = '.';
+			*dst = '\0';
+		}
+		size -= (size_t)(dst - t);
+	}
+	return (dst - odst);
+}
+
+/*%
+ * static char *
+ * inet_cidr_ntop_ipv4(src, bits, dst, size)
+ *	convert IPv4 network address from network to presentation format.
+ *	"src"'s size is determined from its "af".
+ * return:
+ *	pointer to dst, or NULL if an error occurred (check errno).
+ * note:
+ *	network byte order assumed.  this means 192.5.5.240/28 has
+ *	0b11110000 in its fourth octet.
+ * author:
+ *	Paul Vixie (ISC), October 1998
+ */
+static char *
+inet_cidr_ntop_ipv4(const u_char *src, int bits, char *dst, size_t size) {
+	char *odst = dst;
+	size_t len = 4;
+	size_t b;
+	size_t bytes;
+
+	if ((bits < -1) || (bits > 32)) {
+		errno = EINVAL;
+		return (NULL);
+	}
+
+	/* Find number of significant bytes in address. */
+	if (bits == -1)
+		len = 4;
+	else
+		for (len = 1, b = 1 ; b < 4U; b++)
+			if (*(src + b))
+				len = b + 1;
+
+	/* Format whole octets plus nonzero trailing octets. */
+	bytes = (((bits <= 0) ? 1 : bits) + 7) / 8;
+	if (len > bytes)
+		bytes = len;
+	b = decoct(src, bytes, dst, size);
+	if (b == 0U)
+		goto emsgsize;
+	dst += b;
+	size -= b;
+
+	if (bits != -1) {
+		/* Format CIDR /width. */
+		if (size < sizeof "/32")
+			goto emsgsize;
+		dst += SPRINTF((dst, "/%u", bits));
+	}
+
+	return (odst);
+
+ emsgsize:
+	errno = EMSGSIZE;
+	return (NULL);
+}
+ 
+static char *
+inet_cidr_ntop_ipv6(const u_char *src, int bits, char *dst, size_t size) {
+	/*
+	 * Note that int32_t and int16_t need only be "at least" large enough
+	 * to contain a value of the specified size.  On some systems, like
+	 * Crays, there is no such thing as an integer variable with 16 bits.
+	 * Keep this in mind if you think this function should have been coded
+	 * to use pointer overlays.  All the world's not a VAX.
+	 */
+	char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255/128"];
+	char *tp;
+	struct { int base, len; } best, cur;
+	u_int words[NS_IN6ADDRSZ / NS_INT16SZ];
+	int i;
+
+	if ((bits < -1) || (bits > 128)) {
+		errno = EINVAL;
+		return (NULL);
+	}
+
+	/*
+	 * Preprocess:
+	 *	Copy the input (bytewise) array into a wordwise array.
+	 *	Find the longest run of 0x00's in src[] for :: shorthanding.
+	 */
+	memset(words, '\0', sizeof words);
+	for (i = 0; i < NS_IN6ADDRSZ; i++)
+		words[i / 2] |= (src[i] << ((1 - (i % 2)) << 3));
+	best.base = -1;
+	best.len = 0;
+	cur.base = -1;
+	cur.len = 0;
+	for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) {
+		if (words[i] == 0) {
+			if (cur.base == -1)
+				cur.base = i, cur.len = 1;
+			else
+				cur.len++;
+		} else {
+			if (cur.base != -1) {
+				if (best.base == -1 || cur.len > best.len)
+					best = cur;
+				cur.base = -1;
+			}
+		}
+	}
+	if (cur.base != -1) {
+		if (best.base == -1 || cur.len > best.len)
+			best = cur;
+	}
+	if (best.base != -1 && best.len < 2)
+		best.base = -1;
+
+	/*
+	 * Format the result.
+	 */
+	tp = tmp;
+	for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) {
+		/* Are we inside the best run of 0x00's? */
+		if (best.base != -1 && i >= best.base &&
+		    i < (best.base + best.len)) {
+			if (i == best.base)
+				*tp++ = ':';
+			continue;
+		}
+		/* Are we following an initial run of 0x00s or any real hex? */
+		if (i != 0)
+			*tp++ = ':';
+		/* Is this address an encapsulated IPv4? */
+		if (i == 6 && best.base == 0 && (best.len == 6 ||
+		    (best.len == 7 && words[7] != 0x0001) ||
+		    (best.len == 5 && words[5] == 0xffff))) {
+			int n;
+
+			if (src[15] || bits == -1 || bits > 120)
+				n = 4;
+			else if (src[14] || bits > 112)
+				n = 3;
+			else
+				n = 2;
+			n = decoct(src+12, n, tp, sizeof tmp - (tp - tmp));
+			if (n == 0) {
+				errno = EMSGSIZE;
+				return (NULL);
+			}
+			tp += strlen(tp);
+			break;
+		}
+		tp += SPRINTF((tp, "%x", words[i]));
+	}
+
+	/* Was it a trailing run of 0x00's? */
+	if (best.base != -1 && (best.base + best.len) == 
+	    (NS_IN6ADDRSZ / NS_INT16SZ))
+		*tp++ = ':';
+	*tp = '\0';
+
+	if (bits != -1)
+		tp += SPRINTF((tp, "/%u", bits));
+
+	/*
+	 * Check for overflow, copy, and we're done.
+	 */
+	if ((size_t)(tp - tmp) > size) {
+		errno = EMSGSIZE;
+		return (NULL);
+	}
+	strcpy(dst, tmp);
+	return (dst);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/inet/inet_cidr_pton.c b/usr/src/lib/libresolv2_joy/common/inet/inet_cidr_pton.c
new file mode 100644
index 0000000000..07652af463
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/inet/inet_cidr_pton.c
@@ -0,0 +1,277 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1998,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: inet_cidr_pton.c,v 1.6 2005/04/27 04:56:19 sra Exp $";
+#endif
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+
+#include <isc/assertions.h>
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "port_after.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) ((size_t)sprintf x)
+#endif
+
+static int	inet_cidr_pton_ipv4 __P((const char *src, u_char *dst,
+					 int *bits, int ipv6));
+static int	inet_cidr_pton_ipv6 __P((const char *src, u_char *dst,
+					 int *bits));
+
+static int	getbits(const char *, int ipv6);
+
+/*%
+ * int
+ * inet_cidr_pton(af, src, dst, *bits)
+ *	convert network address from presentation to network format.
+ *	accepts inet_pton()'s input for this "af" plus trailing "/CIDR".
+ *	"dst" is assumed large enough for its "af".  "bits" is set to the
+ *	/CIDR prefix length, which can have defaults (like /32 for IPv4).
+ * return:
+ *	-1 if an error occurred (inspect errno; ENOENT means bad format).
+ *	0 if successful conversion occurred.
+ * note:
+ *	192.5.5.1/28 has a nonzero host part, which means it isn't a network
+ *	as called for by inet_net_pton() but it can be a host address with
+ *	an included netmask.
+ * author:
+ *	Paul Vixie (ISC), October 1998
+ */
+int
+inet_cidr_pton(int af, const char *src, void *dst, int *bits) {
+	switch (af) {
+	case AF_INET:
+		return (inet_cidr_pton_ipv4(src, dst, bits, 0));
+	case AF_INET6:
+		return (inet_cidr_pton_ipv6(src, dst, bits));
+	default:
+		errno = EAFNOSUPPORT;
+		return (-1);
+	}
+}
+
+static const char digits[] = "0123456789";
+
+static int
+inet_cidr_pton_ipv4(const char *src, u_char *dst, int *pbits, int ipv6) {
+	const u_char *odst = dst;
+	int n, ch, tmp, bits;
+	size_t size = 4;
+
+	/* Get the mantissa. */
+	while (ch = *src++, (isascii(ch) && isdigit(ch))) {
+		tmp = 0;
+		do {
+			n = strchr(digits, ch) - digits;
+			INSIST(n >= 0 && n <= 9);
+			tmp *= 10;
+			tmp += n;
+			if (tmp > 255)
+				goto enoent;
+		} while ((ch = *src++) != '\0' && isascii(ch) && isdigit(ch));
+		if (size-- == 0U)
+			goto emsgsize;
+		*dst++ = (u_char) tmp;
+		if (ch == '\0' || ch == '/')
+			break;
+		if (ch != '.')
+			goto enoent;
+	}
+
+	/* Get the prefix length if any. */
+	bits = -1;
+	if (ch == '/' && dst > odst) {
+		bits = getbits(src, ipv6);
+		if (bits == -2)
+			goto enoent;
+	} else if (ch != '\0')
+		goto enoent;
+
+	/* Prefix length can default to /32 only if all four octets spec'd. */
+	if (bits == -1) {
+		if (dst - odst == 4)
+			bits = ipv6 ? 128 : 32;
+		else
+			goto enoent;
+	}
+
+	/* If nothing was written to the destination, we found no address. */
+	if (dst == odst)
+		goto enoent;
+
+	/* If prefix length overspecifies mantissa, life is bad. */
+	if (((bits - (ipv6 ? 96 : 0)) / 8) > (dst - odst))
+		goto enoent;
+
+	/* Extend address to four octets. */
+	while (size-- > 0U)
+		*dst++ = 0;
+
+	*pbits = bits;
+	return (0);
+
+ enoent:
+	errno = ENOENT;
+	return (-1);
+
+ emsgsize:
+	errno = EMSGSIZE;
+	return (-1);
+}
+
+static int
+inet_cidr_pton_ipv6(const char *src, u_char *dst, int *pbits) {
+	static const char xdigits_l[] = "0123456789abcdef",
+			  xdigits_u[] = "0123456789ABCDEF";
+	u_char tmp[NS_IN6ADDRSZ], *tp, *endp, *colonp;
+	const char *xdigits, *curtok;
+	int ch, saw_xdigit;
+	u_int val;
+	int bits;
+
+	memset((tp = tmp), '\0', NS_IN6ADDRSZ);
+	endp = tp + NS_IN6ADDRSZ;
+	colonp = NULL;
+	/* Leading :: requires some special handling. */
+	if (*src == ':')
+		if (*++src != ':')
+			return (0);
+	curtok = src;
+	saw_xdigit = 0;
+	val = 0;
+	bits = -1;
+	while ((ch = *src++) != '\0') {
+		const char *pch;
+
+		if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL)
+			pch = strchr((xdigits = xdigits_u), ch);
+		if (pch != NULL) {
+			val <<= 4;
+			val |= (pch - xdigits);
+			if (val > 0xffff)
+				return (0);
+			saw_xdigit = 1;
+			continue;
+		}
+		if (ch == ':') {
+			curtok = src;
+			if (!saw_xdigit) {
+				if (colonp)
+					return (0);
+				colonp = tp;
+				continue;
+			} else if (*src == '\0') {
+				return (0);
+			}
+			if (tp + NS_INT16SZ > endp)
+				return (0);
+			*tp++ = (u_char) (val >> 8) & 0xff;
+			*tp++ = (u_char) val & 0xff;
+			saw_xdigit = 0;
+			val = 0;
+			continue;
+		}
+		if (ch == '.' && ((tp + NS_INADDRSZ) <= endp) &&
+		    inet_cidr_pton_ipv4(curtok, tp, &bits, 1) == 0) {
+			tp += NS_INADDRSZ;
+			saw_xdigit = 0;
+			break;	/*%< '\\0' was seen by inet_pton4(). */
+		}
+		if (ch == '/') {
+			bits = getbits(src, 1);
+			if (bits == -2)
+				goto enoent;
+			break;
+		}
+		goto enoent;
+	}
+	if (saw_xdigit) {
+		if (tp + NS_INT16SZ > endp)
+			goto emsgsize;
+		*tp++ = (u_char) (val >> 8) & 0xff;
+		*tp++ = (u_char) val & 0xff;
+	}
+	if (colonp != NULL) {
+		/*
+		 * Since some memmove()'s erroneously fail to handle
+		 * overlapping regions, we'll do the shift by hand.
+		 */
+		const int n = tp - colonp;
+		int i;
+
+		if (tp == endp)
+			goto enoent;
+		for (i = 1; i <= n; i++) {
+			endp[- i] = colonp[n - i];
+			colonp[n - i] = 0;
+		}
+		tp = endp;
+	}
+
+	memcpy(dst, tmp, NS_IN6ADDRSZ);
+
+	*pbits = bits;
+	return (0);
+
+ enoent:
+	errno = ENOENT;
+	return (-1);
+
+ emsgsize:
+	errno = EMSGSIZE;
+	return (-1);
+}
+
+static int
+getbits(const char *src, int ipv6) {
+	int bits = 0;
+	char *cp, ch;
+	
+	if (*src == '\0')			/*%< syntax */
+		return (-2);
+	do {
+		ch = *src++;
+		cp = strchr(digits, ch);
+		if (cp == NULL)			/*%< syntax */
+			return (-2);
+		bits *= 10;
+		bits += cp - digits;
+		if (bits == 0 && *src != '\0')	/*%< no leading zeros */
+			return (-2);
+		if (bits > (ipv6 ? 128 : 32))	/*%< range error */
+			return (-2);
+	} while (*src != '\0');
+
+	return (bits);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/inet/inet_data.c b/usr/src/lib/libresolv2_joy/common/inet/inet_data.c
new file mode 100644
index 0000000000..58b8c4342d
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/inet/inet_data.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1995-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char rcsid[] = "$Id: inet_data.c,v 1.4 2005/04/27 04:56:19 sra Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <ctype.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "port_after.h"
+
+const struct in6_addr isc_in6addr_any = IN6ADDR_ANY_INIT;
+const struct in6_addr isc_in6addr_loopback = IN6ADDR_LOOPBACK_INIT;
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/inet/inet_lnaof.c b/usr/src/lib/libresolv2_joy/common/inet/inet_lnaof.c
new file mode 100644
index 0000000000..70ac409512
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/inet/inet_lnaof.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 1983, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)inet_lnaof.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include "port_before.h"
+
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include "port_after.h"
+
+/*%
+ * Return the local network address portion of an
+ * internet address; handles class a/b/c network
+ * number formats.
+ */
+u_long
+inet_lnaof(in)
+	struct in_addr in;
+{
+	register u_long i = ntohl(in.s_addr);
+
+	if (IN_CLASSA(i))
+		return ((i)&IN_CLASSA_HOST);
+	else if (IN_CLASSB(i))
+		return ((i)&IN_CLASSB_HOST);
+	else
+		return ((i)&IN_CLASSC_HOST);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/inet/inet_makeaddr.c b/usr/src/lib/libresolv2_joy/common/inet/inet_makeaddr.c
new file mode 100644
index 0000000000..c56cb3eaeb
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/inet/inet_makeaddr.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 1983, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)inet_makeaddr.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include "port_before.h"
+
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include "port_after.h"
+
+/*%
+ * Formulate an Internet address from network + host.  Used in
+ * building addresses stored in the ifnet structure.
+ */
+struct in_addr
+inet_makeaddr(net, host)
+	u_long net, host;
+{
+	struct in_addr a;
+
+	if (net < 128U)
+		a.s_addr = (net << IN_CLASSA_NSHIFT) | (host & IN_CLASSA_HOST);
+	else if (net < 65536U)
+		a.s_addr = (net << IN_CLASSB_NSHIFT) | (host & IN_CLASSB_HOST);
+	else if (net < 16777216L)
+		a.s_addr = (net << IN_CLASSC_NSHIFT) | (host & IN_CLASSC_HOST);
+	else
+		a.s_addr = net | host;
+	a.s_addr = htonl(a.s_addr);
+	return (a);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/inet/inet_net_ntop.c b/usr/src/lib/libresolv2_joy/common/inet/inet_net_ntop.c
new file mode 100644
index 0000000000..fb28e3cbe5
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/inet/inet_net_ntop.c
@@ -0,0 +1,279 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: inet_net_ntop.c,v 1.5 2006/06/20 02:50:14 marka Exp $";
+#endif
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "port_after.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) ((size_t)sprintf x)
+#endif
+
+static char *	inet_net_ntop_ipv4 __P((const u_char *src, int bits,
+					char *dst, size_t size));
+static char *	inet_net_ntop_ipv6 __P((const u_char *src, int bits,
+					char *dst, size_t size));
+
+/*%
+ * char *
+ * inet_net_ntop(af, src, bits, dst, size)
+ *	convert network number from network to presentation format.
+ *	generates CIDR style result always.
+ * return:
+ *	pointer to dst, or NULL if an error occurred (check errno).
+ * author:
+ *	Paul Vixie (ISC), July 1996
+ */
+char *
+inet_net_ntop(af, src, bits, dst, size)
+	int af;
+	const void *src;
+	int bits;
+	char *dst;
+	size_t size;
+{
+	switch (af) {
+	case AF_INET:
+		return (inet_net_ntop_ipv4(src, bits, dst, size));
+	case AF_INET6:
+		return (inet_net_ntop_ipv6(src, bits, dst, size));
+	default:
+		errno = EAFNOSUPPORT;
+		return (NULL);
+	}
+}
+
+/*%
+ * static char *
+ * inet_net_ntop_ipv4(src, bits, dst, size)
+ *	convert IPv4 network number from network to presentation format.
+ *	generates CIDR style result always.
+ * return:
+ *	pointer to dst, or NULL if an error occurred (check errno).
+ * note:
+ *	network byte order assumed.  this means 192.5.5.240/28 has
+ *	0b11110000 in its fourth octet.
+ * author:
+ *	Paul Vixie (ISC), July 1996
+ */
+static char *
+inet_net_ntop_ipv4(src, bits, dst, size)
+	const u_char *src;
+	int bits;
+	char *dst;
+	size_t size;
+{
+	char *odst = dst;
+	char *t;
+	u_int m;
+	int b;
+
+	if (bits < 0 || bits > 32) {
+		errno = EINVAL;
+		return (NULL);
+	}
+
+	if (bits == 0) {
+		if (size < sizeof "0")
+			goto emsgsize;
+		*dst++ = '0';
+		size--;
+		*dst = '\0';
+	}
+
+	/* Format whole octets. */
+	for (b = bits / 8; b > 0; b--) {
+		if (size <= sizeof "255.")
+			goto emsgsize;
+		t = dst;
+		dst += SPRINTF((dst, "%u", *src++));
+		if (b > 1) {
+			*dst++ = '.';
+			*dst = '\0';
+		}
+		size -= (size_t)(dst - t);
+	}
+
+	/* Format partial octet. */
+	b = bits % 8;
+	if (b > 0) {
+		if (size <= sizeof ".255")
+			goto emsgsize;
+		t = dst;
+		if (dst != odst)
+			*dst++ = '.';
+		m = ((1 << b) - 1) << (8 - b);
+		dst += SPRINTF((dst, "%u", *src & m));
+		size -= (size_t)(dst - t);
+	}
+
+	/* Format CIDR /width. */
+	if (size <= sizeof "/32")
+		goto emsgsize;
+	dst += SPRINTF((dst, "/%u", bits));
+	return (odst);
+
+ emsgsize:
+	errno = EMSGSIZE;
+	return (NULL);
+}
+
+/*%
+ * static char *
+ * inet_net_ntop_ipv6(src, bits, fakebits, dst, size)
+ *	convert IPv6 network number from network to presentation format.
+ *	generates CIDR style result always. Picks the shortest representation
+ *	unless the IP is really IPv4.
+ *	always prints specified number of bits (bits).
+ * return:
+ *	pointer to dst, or NULL if an error occurred (check errno).
+ * note:
+ *	network byte order assumed.  this means 192.5.5.240/28 has
+ *	0x11110000 in its fourth octet.
+ * author:
+ *	Vadim Kogan (UCB), June 2001
+ *  Original version (IPv4) by Paul Vixie (ISC), July 1996
+ */
+
+static char *
+inet_net_ntop_ipv6(const u_char *src, int bits, char *dst, size_t size) {
+	u_int	m;
+	int	b;
+	int	p;
+	int	zero_s, zero_l, tmp_zero_s, tmp_zero_l;
+	int	i;
+	int	is_ipv4 = 0;
+	unsigned char inbuf[16];
+	char outbuf[sizeof("xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:255.255.255.255/128")];
+	char	*cp;
+	int	words;
+	u_char	*s;
+
+	if (bits < 0 || bits > 128) {
+		errno = EINVAL;
+		return (NULL);
+	}
+
+	cp = outbuf;
+
+	if (bits == 0) {
+		*cp++ = ':';
+		*cp++ = ':';
+		*cp = '\0';
+	} else {
+		/* Copy src to private buffer.  Zero host part. */	
+		p = (bits + 7) / 8;
+		memcpy(inbuf, src, p);
+		memset(inbuf + p, 0, 16 - p);
+		b = bits % 8;
+		if (b != 0) {
+			m = ~0 << (8 - b);
+			inbuf[p-1] &= m;
+		}
+
+		s = inbuf;
+
+		/* how many words need to be displayed in output */
+		words = (bits + 15) / 16;
+		if (words == 1)
+			words = 2;
+		
+		/* Find the longest substring of zero's */
+		zero_s = zero_l = tmp_zero_s = tmp_zero_l = 0;
+		for (i = 0; i < (words * 2); i += 2) {
+			if ((s[i] | s[i+1]) == 0) {
+				if (tmp_zero_l == 0)
+					tmp_zero_s = i / 2;
+				tmp_zero_l++;
+			} else {
+				if (tmp_zero_l && zero_l < tmp_zero_l) {
+					zero_s = tmp_zero_s;
+					zero_l = tmp_zero_l;
+					tmp_zero_l = 0;
+				}
+			}
+		}
+
+		if (tmp_zero_l && zero_l < tmp_zero_l) {
+			zero_s = tmp_zero_s;
+			zero_l = tmp_zero_l;
+		}
+
+		if (zero_l != words && zero_s == 0 && ((zero_l == 6) ||
+		    ((zero_l == 5 && s[10] == 0xff && s[11] == 0xff) ||
+		    ((zero_l == 7 && s[14] != 0 && s[15] != 1)))))
+			is_ipv4 = 1;
+
+		/* Format whole words. */
+		for (p = 0; p < words; p++) {
+			if (zero_l != 0 && p >= zero_s && p < zero_s + zero_l) {
+				/* Time to skip some zeros */
+				if (p == zero_s)
+					*cp++ = ':';
+				if (p == words - 1)
+					*cp++ = ':';
+				s++;
+				s++;
+				continue;
+			}
+
+			if (is_ipv4 && p > 5 ) {
+				*cp++ = (p == 6) ? ':' : '.';
+				cp += SPRINTF((cp, "%u", *s++));
+				/* we can potentially drop the last octet */
+				if (p != 7 || bits > 120) {
+					*cp++ = '.';
+					cp += SPRINTF((cp, "%u", *s++));
+				}
+			} else {
+				if (cp != outbuf)
+					*cp++ = ':';
+				cp += SPRINTF((cp, "%x", *s * 256 + s[1]));
+				s += 2;
+			}
+		}
+	}
+	/* Format CIDR /width. */
+	sprintf(cp, "/%u", bits);
+	if (strlen(outbuf) + 1 > size)
+		goto emsgsize;
+	strcpy(dst, outbuf);
+	
+	return (dst);
+
+emsgsize:
+	errno = EMSGSIZE;
+	return (NULL);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/inet/inet_net_pton.c b/usr/src/lib/libresolv2_joy/common/inet/inet_net_pton.c
new file mode 100644
index 0000000000..8d8bfb1f64
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/inet/inet_net_pton.c
@@ -0,0 +1,407 @@
+/*
+ * Copyright (C) 2004, 2005, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1996, 1998, 1999, 2001, 2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: inet_net_pton.c,v 1.10 2008/11/14 02:36:51 marka Exp $";
+#endif
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+
+#include <isc/assertions.h>
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "port_after.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) ((size_t)sprintf x)
+#endif
+
+/*%
+ * static int
+ * inet_net_pton_ipv4(src, dst, size)
+ *	convert IPv4 network number from presentation to network format.
+ *	accepts hex octets, hex strings, decimal octets, and /CIDR.
+ *	"size" is in bytes and describes "dst".
+ * return:
+ *	number of bits, either imputed classfully or specified with /CIDR,
+ *	or -1 if some failure occurred (check errno).  ENOENT means it was
+ *	not an IPv4 network specification.
+ * note:
+ *	network byte order assumed.  this means 192.5.5.240/28 has
+ *	0b11110000 in its fourth octet.
+ * author:
+ *	Paul Vixie (ISC), June 1996
+ */
+static int
+inet_net_pton_ipv4(const char *src, u_char *dst, size_t size) {
+	static const char xdigits[] = "0123456789abcdef";
+	static const char digits[] = "0123456789";
+	int n, ch, tmp = 0, dirty, bits;
+	const u_char *odst = dst;
+
+	ch = *src++;
+	if (ch == '0' && (src[0] == 'x' || src[0] == 'X')
+	    && isascii((unsigned char)(src[1]))
+	    && isxdigit((unsigned char)(src[1]))) {
+		/* Hexadecimal: Eat nybble string. */
+		if (size <= 0U)
+			goto emsgsize;
+		dirty = 0;
+		src++;	/*%< skip x or X. */
+		while ((ch = *src++) != '\0' && isascii(ch) && isxdigit(ch)) {
+			if (isupper(ch))
+				ch = tolower(ch);
+			n = strchr(xdigits, ch) - xdigits;
+			INSIST(n >= 0 && n <= 15);
+			if (dirty == 0)
+				tmp = n;
+			else
+				tmp = (tmp << 4) | n;
+			if (++dirty == 2) {
+				if (size-- <= 0U)
+					goto emsgsize;
+				*dst++ = (u_char) tmp;
+				dirty = 0;
+			}
+		}
+		if (dirty) {  /*%< Odd trailing nybble? */
+			if (size-- <= 0U)
+				goto emsgsize;
+			*dst++ = (u_char) (tmp << 4);
+		}
+	} else if (isascii(ch) && isdigit(ch)) {
+		/* Decimal: eat dotted digit string. */
+		for (;;) {
+			tmp = 0;
+			do {
+				n = strchr(digits, ch) - digits;
+				INSIST(n >= 0 && n <= 9);
+				tmp *= 10;
+				tmp += n;
+				if (tmp > 255)
+					goto enoent;
+			} while ((ch = *src++) != '\0' &&
+				 isascii(ch) && isdigit(ch));
+			if (size-- <= 0U)
+				goto emsgsize;
+			*dst++ = (u_char) tmp;
+			if (ch == '\0' || ch == '/')
+				break;
+			if (ch != '.')
+				goto enoent;
+			ch = *src++;
+			if (!isascii(ch) || !isdigit(ch))
+				goto enoent;
+		}
+	} else
+		goto enoent;
+
+	bits = -1;
+	if (ch == '/' && isascii((unsigned char)(src[0])) &&
+	    isdigit((unsigned char)(src[0])) && dst > odst) {
+		/* CIDR width specifier.  Nothing can follow it. */
+		ch = *src++;	/*%< Skip over the /. */
+		bits = 0;
+		do {
+			n = strchr(digits, ch) - digits;
+			INSIST(n >= 0 && n <= 9);
+			bits *= 10;
+			bits += n;
+			if (bits > 32)
+				goto enoent;
+		} while ((ch = *src++) != '\0' && isascii(ch) && isdigit(ch));
+		if (ch != '\0')
+			goto enoent;
+	}
+
+	/* Firey death and destruction unless we prefetched EOS. */
+	if (ch != '\0')
+		goto enoent;
+
+	/* If nothing was written to the destination, we found no address. */
+	if (dst == odst)
+		goto enoent;
+	/* If no CIDR spec was given, infer width from net class. */
+	if (bits == -1) {
+		if (*odst >= 240)	/*%< Class E */
+			bits = 32;
+		else if (*odst >= 224)	/*%< Class D */
+			bits = 8;
+		else if (*odst >= 192)	/*%< Class C */
+			bits = 24;
+		else if (*odst >= 128)	/*%< Class B */
+			bits = 16;
+		else			/*%< Class A */
+			bits = 8;
+		/* If imputed mask is narrower than specified octets, widen. */
+		if (bits < ((dst - odst) * 8))
+			bits = (dst - odst) * 8;
+		/*
+		 * If there are no additional bits specified for a class D
+		 * address adjust bits to 4.
+		 */
+		if (bits == 8 && *odst == 224)
+			bits = 4;
+	}
+	/* Extend network to cover the actual mask. */
+	while (bits > ((dst - odst) * 8)) {
+		if (size-- <= 0U)
+			goto emsgsize;
+		*dst++ = '\0';
+	}
+	return (bits);
+
+ enoent:
+	errno = ENOENT;
+	return (-1);
+
+ emsgsize:
+	errno = EMSGSIZE;
+	return (-1);
+}
+
+static int
+getbits(const char *src, int *bitsp) {
+	static const char digits[] = "0123456789";
+	int n;
+	int val;
+	char ch;
+
+	val = 0;
+	n = 0;
+	while ((ch = *src++) != '\0') {
+		const char *pch;
+
+		pch = strchr(digits, ch);
+		if (pch != NULL) {
+			if (n++ != 0 && val == 0)	/*%< no leading zeros */
+				return (0);
+			val *= 10;
+			val += (pch - digits);
+			if (val > 128)			/*%< range */
+				return (0);
+			continue;
+		}
+		return (0);
+	}
+	if (n == 0)
+		return (0);
+	*bitsp = val;
+	return (1);
+}
+
+static int
+getv4(const char *src, u_char *dst, int *bitsp) {
+	static const char digits[] = "0123456789";
+	u_char *odst = dst;
+	int n;
+	u_int val;
+	char ch;
+
+	val = 0;
+	n = 0;
+	while ((ch = *src++) != '\0') {
+		const char *pch;
+
+		pch = strchr(digits, ch);
+		if (pch != NULL) {
+			if (n++ != 0 && val == 0)	/*%< no leading zeros */
+				return (0);
+			val *= 10;
+			val += (pch - digits);
+			if (val > 255)			/*%< range */
+				return (0);
+			continue;
+		}
+		if (ch == '.' || ch == '/') {
+			if (dst - odst > 3)		/*%< too many octets? */
+				return (0);
+			*dst++ = val;
+			if (ch == '/')
+				return (getbits(src, bitsp));
+			val = 0;
+			n = 0;
+			continue;
+		}
+		return (0);
+	}
+	if (n == 0)
+		return (0);
+	if (dst - odst > 3)		/*%< too many octets? */
+		return (0);
+	*dst++ = val;
+	return (1);
+}
+
+static int
+inet_net_pton_ipv6(const char *src, u_char *dst, size_t size) {
+	static const char xdigits_l[] = "0123456789abcdef",
+			  xdigits_u[] = "0123456789ABCDEF";
+	u_char tmp[NS_IN6ADDRSZ], *tp, *endp, *colonp;
+	const char *xdigits, *curtok;
+	int ch, saw_xdigit;
+	u_int val;
+	int digits;
+	int bits;
+	size_t bytes;
+	int words;
+	int ipv4;
+
+	memset((tp = tmp), '\0', NS_IN6ADDRSZ);
+	endp = tp + NS_IN6ADDRSZ;
+	colonp = NULL;
+	/* Leading :: requires some special handling. */
+	if (*src == ':')
+		if (*++src != ':')
+			goto enoent;
+	curtok = src;
+	saw_xdigit = 0;
+	val = 0;
+	digits = 0;
+	bits = -1;
+	ipv4 = 0;
+	while ((ch = *src++) != '\0') {
+		const char *pch;
+
+		if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL)
+			pch = strchr((xdigits = xdigits_u), ch);
+		if (pch != NULL) {
+			val <<= 4;
+			val |= (pch - xdigits);
+			if (++digits > 4)
+				goto enoent;
+			saw_xdigit = 1;
+			continue;
+		}
+		if (ch == ':') {
+			curtok = src;
+			if (!saw_xdigit) {
+				if (colonp)
+					goto enoent;
+				colonp = tp;
+				continue;
+			} else if (*src == '\0')
+				goto enoent;
+			if (tp + NS_INT16SZ > endp)
+				return (0);
+			*tp++ = (u_char) (val >> 8) & 0xff;
+			*tp++ = (u_char) val & 0xff;
+			saw_xdigit = 0;
+			digits = 0;
+			val = 0;
+			continue;
+		}
+		if (ch == '.' && ((tp + NS_INADDRSZ) <= endp) &&
+		     getv4(curtok, tp, &bits) > 0) {
+			tp += NS_INADDRSZ;
+			saw_xdigit = 0;
+			ipv4 = 1;
+			break;	/*%< '\\0' was seen by inet_pton4(). */
+		}
+		if (ch == '/' && getbits(src, &bits) > 0)
+			break;
+		goto enoent;
+	}
+	if (saw_xdigit) {
+		if (tp + NS_INT16SZ > endp)
+			goto enoent;
+		*tp++ = (u_char) (val >> 8) & 0xff;
+		*tp++ = (u_char) val & 0xff;
+	}
+	if (bits == -1)
+		bits = 128;
+
+	words = (bits + 15) / 16;
+	if (words < 2)
+		words = 2;
+	if (ipv4)
+		words = 8;
+	endp =  tmp + 2 * words;
+
+	if (colonp != NULL) {
+		/*
+		 * Since some memmove()'s erroneously fail to handle
+		 * overlapping regions, we'll do the shift by hand.
+		 */
+		const int n = tp - colonp;
+		int i;
+
+		if (tp == endp)
+			goto enoent;
+		for (i = 1; i <= n; i++) {
+			endp[- i] = colonp[n - i];
+			colonp[n - i] = 0;
+		}
+		tp = endp;
+	}
+	if (tp != endp)
+		goto enoent;
+
+	bytes = (bits + 7) / 8;
+	if (bytes > size)
+		goto emsgsize;
+	memcpy(dst, tmp, bytes);
+	return (bits);
+
+ enoent:
+	errno = ENOENT;
+	return (-1);
+
+ emsgsize:
+	errno = EMSGSIZE;
+	return (-1);
+}
+
+/*%
+ * int
+ * inet_net_pton(af, src, dst, size)
+ *	convert network number from presentation to network format.
+ *	accepts hex octets, hex strings, decimal octets, and /CIDR.
+ *	"size" is in bytes and describes "dst".
+ * return:
+ *	number of bits, either imputed classfully or specified with /CIDR,
+ *	or -1 if some failure occurred (check errno).  ENOENT means it was
+ *	not a valid network specification.
+ * author:
+ *	Paul Vixie (ISC), June 1996
+ */
+int
+inet_net_pton(int af, const char *src, void *dst, size_t size) {
+	switch (af) {
+	case AF_INET:
+		return (inet_net_pton_ipv4(src, dst, size));
+	case AF_INET6:
+		return (inet_net_pton_ipv6(src, dst, size));
+	default:
+		errno = EAFNOSUPPORT;
+		return (-1);
+	}
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/inet/inet_neta.c b/usr/src/lib/libresolv2_joy/common/inet/inet_neta.c
new file mode 100644
index 0000000000..63a6c201a4
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/inet/inet_neta.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: inet_neta.c,v 1.3 2005/04/27 04:56:20 sra Exp $";
+#endif
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "port_after.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) ((size_t)sprintf x)
+#endif
+
+/*%
+ * char *
+ * inet_neta(src, dst, size)
+ *	format a u_long network number into presentation format.
+ * return:
+ *	pointer to dst, or NULL if an error occurred (check errno).
+ * note:
+ *	format of ``src'' is as for inet_network().
+ * author:
+ *	Paul Vixie (ISC), July 1996
+ */
+char *
+inet_neta(src, dst, size)
+	u_long src;
+	char *dst;
+	size_t size;
+{
+	char *odst = dst;
+	char *tp;
+
+	while (src & 0xffffffff) {
+		u_char b = (src & 0xff000000) >> 24;
+
+		src <<= 8;
+		if (b) {
+			if (size < sizeof "255.")
+				goto emsgsize;
+			tp = dst;
+			dst += SPRINTF((dst, "%u", b));
+			if (src != 0L) {
+				*dst++ = '.';
+				*dst = '\0';
+			}
+			size -= (size_t)(dst - tp);
+		}
+	}
+	if (dst == odst) {
+		if (size < sizeof "0.0.0.0")
+			goto emsgsize;
+		strcpy(dst, "0.0.0.0");
+	}
+	return (odst);
+
+ emsgsize:
+	errno = EMSGSIZE;
+	return (NULL);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/inet/inet_netof.c b/usr/src/lib/libresolv2_joy/common/inet/inet_netof.c
new file mode 100644
index 0000000000..c228e3d818
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/inet/inet_netof.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 1983, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)inet_netof.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include "port_before.h"
+
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include "port_after.h"
+
+/*%
+ * Return the network number from an internet
+ * address; handles class a/b/c network #'s.
+ */
+u_long
+inet_netof(in)
+	struct in_addr in;
+{
+	register u_long i = ntohl(in.s_addr);
+
+	if (IN_CLASSA(i))
+		return (((i)&IN_CLASSA_NET) >> IN_CLASSA_NSHIFT);
+	else if (IN_CLASSB(i))
+		return (((i)&IN_CLASSB_NET) >> IN_CLASSB_NSHIFT);
+	else
+		return (((i)&IN_CLASSC_NET) >> IN_CLASSC_NSHIFT);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/inet/inet_network.c b/usr/src/lib/libresolv2_joy/common/inet/inet_network.c
new file mode 100644
index 0000000000..47976cff68
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/inet/inet_network.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 1983, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)inet_network.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <ctype.h>
+
+#include "port_after.h"
+
+/*%
+ * Internet network address interpretation routine.
+ * The library routines call this routine to interpret
+ * network numbers.
+ */
+u_long
+inet_network(cp)
+	register const char *cp;
+{
+	register u_long val, base, n, i;
+	register char c;
+	u_long parts[4], *pp = parts;
+	int digit;
+
+again:
+	val = 0; base = 10; digit = 0;
+	if (*cp == '0')
+		digit = 1, base = 8, cp++;
+	if (*cp == 'x' || *cp == 'X')
+		base = 16, cp++;
+	while ((c = *cp) != 0) {
+		if (isdigit((unsigned char)c)) {
+			if (base == 8U && (c == '8' || c == '9'))
+				return (INADDR_NONE);
+			val = (val * base) + (c - '0');
+			cp++;
+			digit = 1;
+			continue;
+		}
+		if (base == 16U && isxdigit((unsigned char)c)) {
+			val = (val << 4) +
+			      (c + 10 - (islower((unsigned char)c) ? 'a' : 'A'));
+			cp++;
+			digit = 1;
+			continue;
+		}
+		break;
+	}
+	if (!digit)
+		return (INADDR_NONE);
+	if (pp >= parts + 4 || val > 0xffU)
+		return (INADDR_NONE);
+	if (*cp == '.') {
+		*pp++ = val, cp++;
+		goto again;
+	}
+	if (*cp && !isspace(*cp&0xff))
+		return (INADDR_NONE);
+	*pp++ = val;
+	n = pp - parts;
+	if (n > 4U)
+		return (INADDR_NONE);
+	for (val = 0, i = 0; i < n; i++) {
+		val <<= 8;
+		val |= parts[i] & 0xff;
+	}
+	return (val);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/inet/nsap_addr.c b/usr/src/lib/libresolv2_joy/common/inet/nsap_addr.c
new file mode 100644
index 0000000000..a9972e6e32
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/inet/nsap_addr.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: nsap_addr.c,v 1.5 2005/07/28 06:51:48 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <ctype.h>
+#include <resolv_joy.h>
+#include <resolv_mt.h>
+
+#include "port_after.h"
+
+static char
+xtob(int c) {
+	return (c - (((c >= '0') && (c <= '9')) ? '0' : '7'));
+}
+
+u_int
+inet_nsap_addr(const char *ascii, u_char *binary, int maxlen) {
+	u_char c, nib;
+	u_int len = 0;
+
+	if (ascii[0] != '0' || (ascii[1] != 'x' && ascii[1] != 'X'))
+		return (0);
+	ascii += 2;
+
+	while ((c = *ascii++) != '\0' && len < (u_int)maxlen) {
+		if (c == '.' || c == '+' || c == '/')
+			continue;
+		if (!isascii(c))
+			return (0);
+		if (islower(c))
+			c = toupper(c);
+		if (isxdigit(c)) {
+			nib = xtob(c);
+			c = *ascii++;
+			if (c != '\0') {
+				c = toupper(c);
+				if (isxdigit(c)) {
+					*binary++ = (nib << 4) | xtob(c);
+					len++;
+				} else
+					return (0);
+			}
+			else
+				return (0);
+		}
+		else
+			return (0);
+	}
+	return (len);
+}
+
+char *
+inet_nsap_ntoa(int binlen, const u_char *binary, char *ascii) {
+	int nib;
+	int i;
+	char *tmpbuf = inet_nsap_ntoa_tmpbuf;
+	char *start;
+
+	if (ascii)
+		start = ascii;
+	else {
+		ascii = tmpbuf;
+		start = tmpbuf;
+	}
+
+	*ascii++ = '0';
+	*ascii++ = 'x';
+
+	if (binlen > 255)
+		binlen = 255;
+
+	for (i = 0; i < binlen; i++) {
+		nib = *binary >> 4;
+		*ascii++ = nib + (nib < 10 ? '0' : '7');
+		nib = *binary++ & 0x0f;
+		*ascii++ = nib + (nib < 10 ? '0' : '7');
+		if (((i % 2) == 0 && (i + 1) < binlen))
+			*ascii++ = '.';
+	}
+	*ascii = '\0';
+	return (start);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/dns.c b/usr/src/lib/libresolv2_joy/common/irs/dns.c
new file mode 100644
index 0000000000..7c50320ae7
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/dns.c
@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: dns.c,v 1.5 2006/03/09 23:57:56 marka Exp $";
+#endif
+
+/*! \file
+ * \brief
+ * dns.c --- this is the top-level accessor function for the dns
+ */
+
+#include "port_before.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+#include <resolv_joy.h>
+
+#include <isc/memcluster.h>
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "hesiod.h"
+#include "dns_p.h"
+
+/* forward */
+
+static void		dns_close(struct irs_acc *);
+static struct __res_state *	dns_res_get(struct irs_acc *);
+static void		dns_res_set(struct irs_acc *, struct __res_state *,
+				void (*)(void *));
+
+/* public */
+
+struct irs_acc *
+irs_dns_acc(const char *options) {
+	struct irs_acc *acc;
+	struct dns_p *dns;
+
+	UNUSED(options);
+
+	if (!(acc = memget(sizeof *acc))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(acc, 0x5e, sizeof *acc);
+	if (!(dns = memget(sizeof *dns))) {
+		errno = ENOMEM;
+		memput(acc, sizeof *acc);
+		return (NULL);
+	}
+	memset(dns, 0x5e, sizeof *dns);
+	dns->res = NULL;
+	dns->free_res = NULL;
+	if (hesiod_init(&dns->hes_ctx) < 0) {
+		/*
+		 * We allow the dns accessor class to initialize
+		 * despite hesiod failing to initialize correctly,
+		 * since dns host queries don't depend on hesiod.
+		 */
+		dns->hes_ctx = NULL;
+	}
+	acc->private = dns;
+#ifdef WANT_IRS_GR
+	acc->gr_map = irs_dns_gr;
+#else
+	acc->gr_map = NULL;
+#endif
+#ifdef WANT_IRS_PW
+	acc->pw_map = irs_dns_pw;
+#else
+	acc->pw_map = NULL;
+#endif
+	acc->sv_map = irs_dns_sv;
+	acc->pr_map = irs_dns_pr;
+	acc->ho_map = irs_dns_ho;
+	acc->nw_map = irs_dns_nw;
+	acc->ng_map = irs_nul_ng;
+	acc->res_get = dns_res_get;
+	acc->res_set = dns_res_set;
+	acc->close = dns_close;
+	return (acc);
+}
+
+/* methods */
+static struct __res_state *
+dns_res_get(struct irs_acc *this) {
+	struct dns_p *dns = (struct dns_p *)this->private;
+
+	if (dns->res == NULL) {
+		struct __res_state *res;
+		res = (struct __res_state *)malloc(sizeof *res);
+		if (res == NULL)
+			return (NULL);
+		memset(res, 0, sizeof *res);
+		dns_res_set(this, res, free);
+	}
+
+	if ((dns->res->options & RES_INIT) == 0U &&
+	    res_ninit(dns->res) < 0)
+		return (NULL);
+
+	return (dns->res);
+}
+
+static void
+dns_res_set(struct irs_acc *this, struct __res_state *res,
+	    void (*free_res)(void *)) {
+	struct dns_p *dns = (struct dns_p *)this->private;
+
+	if (dns->res && dns->free_res) {
+		res_nclose(dns->res);
+		(*dns->free_res)(dns->res);
+	}
+	dns->res = res;
+	dns->free_res = free_res;
+}
+
+static void
+dns_close(struct irs_acc *this) {
+	struct dns_p *dns;
+
+	dns = (struct dns_p *)this->private;
+	if (dns->res && dns->free_res)
+		(*dns->free_res)(dns->res);
+	if (dns->hes_ctx)
+		hesiod_end(dns->hes_ctx);
+	memput(dns, sizeof *dns);
+	memput(this, sizeof *this);
+}
+
diff --git a/usr/src/lib/libresolv2_joy/common/irs/dns_ho.c b/usr/src/lib/libresolv2_joy/common/irs/dns_ho.c
new file mode 100644
index 0000000000..67812717fb
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/dns_ho.c
@@ -0,0 +1,1143 @@
+/*
+ * Portions Copyright (C) 2004-2006, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 1996-2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Copyright (c) 1985, 1988, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* from gethostnamadr.c	8.1 (Berkeley) 6/4/93 */
+/* BIND Id: gethnamaddr.c,v 8.15 1996/05/22 04:56:30 vixie Exp $ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: dns_ho.c,v 1.23 2008/11/14 02:36:51 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/* Imports. */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <string.h>
+#include <syslog.h>
+
+#include <isc/memcluster.h>
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "dns_p.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) sprintf x
+#endif
+
+/* Definitions. */
+
+#define	MAXALIASES	35
+#define	MAXADDRS	35
+
+#define MAXPACKET (65535)	/*%< Maximum TCP message size */
+#define BOUNDS_CHECK(ptr, count) \
+	if ((ptr) + (count) > eom) { \
+		had_error++; \
+		continue; \
+	} else (void)0
+
+typedef union {
+	HEADER hdr;
+	u_char buf[MAXPACKET];
+} querybuf;
+
+struct dns_res_target {
+	struct dns_res_target *next;
+	querybuf qbuf;		/*%< query buffer */
+	u_char *answer;		/*%< buffer to put answer */
+	int anslen;		/*%< size of answer buffer */
+	int qclass, qtype;	/*%< class and type of query */
+	int action;		/*%< condition whether query is really issued */
+	char qname[MAXDNAME +1]; /*%< domain name */
+#if 0
+	int n;			/*%< result length */
+#endif
+};
+enum {RESTGT_DOALWAYS, RESTGT_AFTERFAILURE, RESTGT_IGNORE};
+enum {RESQRY_SUCCESS, RESQRY_FAIL};
+
+struct pvt {
+	struct hostent	host;
+	char *		h_addr_ptrs[MAXADDRS + 1];
+	char *		host_aliases[MAXALIASES];
+	char		hostbuf[8*1024];
+	u_char		host_addr[16];	/*%< IPv4 or IPv6 */
+	struct __res_state  *res;
+	void		(*free_res)(void *);
+};
+
+typedef union {
+	int32_t al;
+	char ac;
+} align;
+
+static const u_char mapped[] = { 0,0, 0,0, 0,0, 0,0, 0,0, 0xff,0xff };
+static const u_char tunnelled[] = { 0,0, 0,0, 0,0, 0,0, 0,0, 0,0 };
+/* Note: the IPv6 loopback address is in the "tunnel" space */
+static const u_char v6local[] = { 0,0, 0,1 }; /*%< last 4 bytes of IPv6 addr */
+/* Forwards. */
+
+static void		ho_close(struct irs_ho *this);
+static struct hostent *	ho_byname(struct irs_ho *this, const char *name);
+static struct hostent *	ho_byname2(struct irs_ho *this, const char *name,
+				   int af);
+static struct hostent *	ho_byaddr(struct irs_ho *this, const void *addr,
+				  int len, int af);
+static struct hostent *	ho_next(struct irs_ho *this);
+static void		ho_rewind(struct irs_ho *this);
+static void		ho_minimize(struct irs_ho *this);
+static struct __res_state * ho_res_get(struct irs_ho *this);
+static void		ho_res_set(struct irs_ho *this,
+				   struct __res_state *res,
+				   void (*free_res)(void *));
+static struct addrinfo * ho_addrinfo(struct irs_ho *this, const char *name,
+				     const struct addrinfo *pai);
+
+static void		map_v4v6_hostent(struct hostent *hp, char **bp,
+					 char *ep);
+static void		addrsort(res_state, char **, int);
+static struct hostent *	gethostans(struct irs_ho *this,
+				   const u_char *ansbuf, int anslen,
+				   const char *qname, int qtype,
+				   int af, int size,
+				   struct addrinfo **ret_aip,
+				   const struct addrinfo *pai);
+static int add_hostent(struct pvt *pvt, char *bp, char **hap,
+		       struct addrinfo *ai);
+static int		init(struct irs_ho *this);
+
+/* Exports. */
+
+struct irs_ho *
+irs_dns_ho(struct irs_acc *this) {
+	struct irs_ho *ho;
+	struct pvt *pvt;
+
+	UNUSED(this);
+
+	if (!(pvt = memget(sizeof *pvt))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+
+	if (!(ho = memget(sizeof *ho))) {
+		memput(pvt, sizeof *pvt);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(ho, 0x5e, sizeof *ho);
+	ho->private = pvt;
+	ho->close = ho_close;
+	ho->byname = ho_byname;
+	ho->byname2 = ho_byname2;
+	ho->byaddr = ho_byaddr;
+	ho->next = ho_next;
+	ho->rewind = ho_rewind;
+	ho->minimize = ho_minimize;
+	ho->res_get = ho_res_get;
+	ho->res_set = ho_res_set;
+	ho->addrinfo = ho_addrinfo;
+	return (ho);
+}
+
+/* Methods. */
+
+static void
+ho_close(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	ho_minimize(this);
+	if (pvt->res && pvt->free_res)
+		(*pvt->free_res)(pvt->res);
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+static struct hostent *
+ho_byname(struct irs_ho *this, const char *name) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct hostent *hp;
+
+	if (init(this) == -1)
+		return (NULL);
+
+	if (pvt->res->options & RES_USE_INET6) {
+		hp = ho_byname2(this, name, AF_INET6);
+		if (hp)
+			return (hp);
+	}
+	return (ho_byname2(this, name, AF_INET));
+}
+
+static struct hostent *
+ho_byname2(struct irs_ho *this, const char *name, int af)
+{
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct hostent *hp = NULL;
+	int n, size;
+	char tmp[NS_MAXDNAME];
+	const char *cp;
+	struct addrinfo ai;
+	struct dns_res_target *q, *p;
+	int querystate = RESQRY_FAIL;
+
+	if (init(this) == -1)
+		return (NULL);
+
+	q = memget(sizeof(*q));
+	if (q == NULL) {
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		errno = ENOMEM;
+		goto cleanup;
+	}
+	memset(q, 0, sizeof(*q));
+
+	switch (af) {
+	case AF_INET:
+		size = INADDRSZ;
+		q->qclass = C_IN;
+		q->qtype = T_A;
+		q->answer = q->qbuf.buf;
+		q->anslen = sizeof(q->qbuf);
+		q->action = RESTGT_DOALWAYS;
+		break;
+	case AF_INET6:
+		size = IN6ADDRSZ;
+		q->qclass = C_IN;
+		q->qtype = T_AAAA;
+		q->answer = q->qbuf.buf;
+		q->anslen = sizeof(q->qbuf);
+		q->action = RESTGT_DOALWAYS;
+		break;
+	default:
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		errno = EAFNOSUPPORT;
+		hp = NULL;
+		goto cleanup;
+	}
+
+	/*
+	 * if there aren't any dots, it could be a user-level alias.
+	 * this is also done in res_nquery() since we are not the only
+	 * function that looks up host names.
+	 */
+	if (!strchr(name, '.') && (cp = res_hostalias(pvt->res, name,
+						      tmp, sizeof tmp)))
+		name = cp;
+
+	for (p = q; p; p = p->next) {
+		switch(p->action) {
+		case RESTGT_DOALWAYS:
+			break;
+		case RESTGT_AFTERFAILURE:
+			if (querystate == RESQRY_SUCCESS)
+				continue;
+			break;
+		case RESTGT_IGNORE:
+			continue;
+		}
+
+		if ((n = res_nsearch(pvt->res, name, p->qclass, p->qtype,
+				     p->answer, p->anslen)) < 0) {
+			querystate = RESQRY_FAIL;
+			continue;
+		}
+
+		memset(&ai, 0, sizeof(ai));
+		ai.ai_family = af;
+		if ((hp = gethostans(this, p->answer, n, name, p->qtype,
+				     af, size, NULL,
+				     (const struct addrinfo *)&ai)) != NULL)
+			goto cleanup;	/*%< no more loop is necessary */
+		querystate = RESQRY_FAIL;
+		continue;
+	}
+
+ cleanup:
+	if (q != NULL)
+		memput(q, sizeof(*q));
+	return(hp);
+}
+
+static struct hostent *
+ho_byaddr(struct irs_ho *this, const void *addr, int len, int af)
+{
+	struct pvt *pvt = (struct pvt *)this->private;
+	const u_char *uaddr = addr;
+	char *qp;
+	struct hostent *hp = NULL;
+	struct addrinfo ai;
+	struct dns_res_target *q, *q2, *p;
+	int n, size, i;
+	int querystate = RESQRY_FAIL;
+
+	if (init(this) == -1)
+		return (NULL);
+
+	q = memget(sizeof(*q));
+	q2 = memget(sizeof(*q2));
+	if (q == NULL || q2 == NULL) {
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		errno = ENOMEM;
+		goto cleanup;
+	}
+	memset(q, 0, sizeof(*q));
+	memset(q2, 0, sizeof(*q2));
+
+	if (af == AF_INET6 && len == IN6ADDRSZ &&
+	    (!memcmp(uaddr, mapped, sizeof mapped) ||
+	   (!memcmp(uaddr, tunnelled, sizeof tunnelled) &&
+	    memcmp(&uaddr[sizeof tunnelled], v6local, sizeof(v6local))))) {
+		/* Unmap. */
+		addr = (const char *)addr + sizeof mapped;
+		uaddr += sizeof mapped;
+		af = AF_INET;
+		len = INADDRSZ;
+	}
+	switch (af) {
+	case AF_INET:
+		size = INADDRSZ;
+		q->qclass = C_IN;
+		q->qtype = T_PTR;
+		q->answer = q->qbuf.buf;
+		q->anslen = sizeof(q->qbuf);
+		q->action = RESTGT_DOALWAYS;
+		break;
+	case AF_INET6:
+		size = IN6ADDRSZ;
+		q->qclass = C_IN;
+		q->qtype = T_PTR;
+		q->answer = q->qbuf.buf;
+		q->anslen = sizeof(q->qbuf);
+		q->next = q2;
+		q->action = RESTGT_DOALWAYS;
+		q2->qclass = C_IN;
+		q2->qtype = T_PTR;
+		q2->answer = q2->qbuf.buf;
+		q2->anslen = sizeof(q2->qbuf);
+		if ((pvt->res->options & RES_NO_NIBBLE2) != 0U)
+			q2->action = RESTGT_IGNORE;
+		else
+			q2->action = RESTGT_AFTERFAILURE;
+		break;
+	default:
+		errno = EAFNOSUPPORT;
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		hp = NULL;
+		goto cleanup;
+	}
+	if (size > len) {
+		errno = EINVAL;
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		hp = NULL;
+		goto cleanup;
+	}
+	switch (af) {
+	case AF_INET:
+		qp = q->qname;
+		(void) sprintf(qp, "%u.%u.%u.%u.in-addr.arpa",
+			       (uaddr[3] & 0xff),
+			       (uaddr[2] & 0xff),
+			       (uaddr[1] & 0xff),
+			       (uaddr[0] & 0xff));
+		break;
+	case AF_INET6:
+		if (q->action != RESTGT_IGNORE) {
+			const char *nibsuff = res_get_nibblesuffix(pvt->res);
+			qp = q->qname;
+			for (n = IN6ADDRSZ - 1; n >= 0; n--) {
+				i = SPRINTF((qp, "%x.%x.",
+					       uaddr[n] & 0xf,
+					       (uaddr[n] >> 4) & 0xf));
+				if (i != 4)
+					abort();
+				qp += i;
+			}
+			if (strlen(q->qname) + strlen(nibsuff) + 1 >
+			    sizeof q->qname) {
+				errno = ENAMETOOLONG;
+				RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+				hp = NULL;
+				goto cleanup;
+			}
+			strcpy(qp, nibsuff);	/* (checked) */
+		}
+		if (q2->action != RESTGT_IGNORE) {
+			const char *nibsuff2 = res_get_nibblesuffix2(pvt->res);
+			qp = q2->qname;
+			for (n = IN6ADDRSZ - 1; n >= 0; n--) {
+				i = SPRINTF((qp, "%x.%x.",
+					       uaddr[n] & 0xf,
+					       (uaddr[n] >> 4) & 0xf));
+				if (i != 4)
+					abort();
+				qp += i;
+			}
+			if (strlen(q2->qname) + strlen(nibsuff2) + 1 >
+			    sizeof q2->qname) {
+				errno = ENAMETOOLONG;
+				RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+				hp = NULL;
+				goto cleanup;
+			}
+			strcpy(qp, nibsuff2);	/* (checked) */
+		}
+		break;
+	default:
+		abort();
+	}
+
+	for (p = q; p; p = p->next) {
+		switch(p->action) {
+		case RESTGT_DOALWAYS:
+			break;
+		case RESTGT_AFTERFAILURE:
+			if (querystate == RESQRY_SUCCESS)
+				continue;
+			break;
+		case RESTGT_IGNORE:
+			continue;
+		}
+
+		if ((n = res_nquery(pvt->res, p->qname, p->qclass, p->qtype,
+				    p->answer, p->anslen)) < 0) {
+			querystate = RESQRY_FAIL;
+			continue;
+		}
+
+		memset(&ai, 0, sizeof(ai));
+		ai.ai_family = af;
+		hp = gethostans(this, p->answer, n, p->qname, T_PTR, af, size,
+				NULL, (const struct addrinfo *)&ai);
+		if (!hp) {
+			querystate = RESQRY_FAIL;
+			continue;
+		}
+
+		memcpy(pvt->host_addr, addr, len);
+		pvt->h_addr_ptrs[0] = (char *)pvt->host_addr;
+		pvt->h_addr_ptrs[1] = NULL;
+		if (af == AF_INET && (pvt->res->options & RES_USE_INET6)) {
+			map_v4v6_address((char*)pvt->host_addr,
+					 (char*)pvt->host_addr);
+			pvt->host.h_addrtype = AF_INET6;
+			pvt->host.h_length = IN6ADDRSZ;
+		}
+
+		RES_SET_H_ERRNO(pvt->res, NETDB_SUCCESS);
+		goto cleanup;	/*%< no more loop is necessary. */
+	}
+	hp = NULL; /*%< H_ERRNO was set by subroutines */
+ cleanup:
+	if (q != NULL)
+		memput(q, sizeof(*q));
+	if (q2 != NULL)
+		memput(q2, sizeof(*q2));
+	return(hp);
+}
+
+static struct hostent *
+ho_next(struct irs_ho *this) {
+
+	UNUSED(this);
+
+	return (NULL);
+}
+
+static void
+ho_rewind(struct irs_ho *this) {
+
+	UNUSED(this);
+
+	/* NOOP */
+}
+
+static void
+ho_minimize(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->res)
+		res_nclose(pvt->res);
+}
+
+static struct __res_state *
+ho_res_get(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (!pvt->res) {
+		struct __res_state *res;
+		res = (struct __res_state *)malloc(sizeof *res);
+		if (!res) {
+			errno = ENOMEM;
+			return (NULL);
+		}
+		memset(res, 0, sizeof *res);
+		ho_res_set(this, res, free);
+	}
+
+	return (pvt->res);
+}
+
+/* XXX */
+extern struct addrinfo *addr2addrinfo __P((const struct addrinfo *,
+					   const char *));
+
+static struct addrinfo *
+ho_addrinfo(struct irs_ho *this, const char *name, const struct addrinfo *pai)
+{
+	struct pvt *pvt = (struct pvt *)this->private;
+	int n;
+	char tmp[NS_MAXDNAME];
+	const char *cp;
+	struct dns_res_target *q, *q2, *p;
+	struct addrinfo sentinel, *cur;
+	int querystate = RESQRY_FAIL;
+
+	if (init(this) == -1)
+		return (NULL);
+
+	memset(&sentinel, 0, sizeof(sentinel));
+	cur = &sentinel;
+
+	q = memget(sizeof(*q));
+	q2 = memget(sizeof(*q2));
+	if (q == NULL || q2 == NULL) {
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		errno = ENOMEM;
+		goto cleanup;
+	}
+	memset(q, 0, sizeof(*q2));
+	memset(q2, 0, sizeof(*q2));
+
+	switch (pai->ai_family) {
+	case AF_UNSPEC:
+		/* prefer IPv6 */
+		q->qclass = C_IN;
+		q->qtype = T_AAAA;
+		q->answer = q->qbuf.buf;
+		q->anslen = sizeof(q->qbuf);
+		q->next = q2;
+		q->action = RESTGT_DOALWAYS;
+		q2->qclass = C_IN;
+		q2->qtype = T_A;
+		q2->answer = q2->qbuf.buf;
+		q2->anslen = sizeof(q2->qbuf);
+		q2->action = RESTGT_DOALWAYS;
+		break;
+	case AF_INET:
+		q->qclass = C_IN;
+		q->qtype = T_A;
+		q->answer = q->qbuf.buf;
+		q->anslen = sizeof(q->qbuf);
+		q->action = RESTGT_DOALWAYS;
+		break;
+	case AF_INET6:
+		q->qclass = C_IN;
+		q->qtype = T_AAAA;
+		q->answer = q->qbuf.buf;
+		q->anslen = sizeof(q->qbuf);
+		q->action = RESTGT_DOALWAYS;
+		break;
+	default:
+		RES_SET_H_ERRNO(pvt->res, NO_RECOVERY); /*%< better error? */
+		goto cleanup;
+	}
+
+	/*
+	 * if there aren't any dots, it could be a user-level alias.
+	 * this is also done in res_nquery() since we are not the only
+	 * function that looks up host names.
+	 */
+	if (!strchr(name, '.') && (cp = res_hostalias(pvt->res, name,
+						      tmp, sizeof tmp)))
+		name = cp;
+
+	for (p = q; p; p = p->next) {
+		struct addrinfo *ai;
+
+		switch(p->action) {
+		case RESTGT_DOALWAYS:
+			break;
+		case RESTGT_AFTERFAILURE:
+			if (querystate == RESQRY_SUCCESS)
+				continue;
+			break;
+		case RESTGT_IGNORE:
+			continue;
+		}
+
+		if ((n = res_nsearch(pvt->res, name, p->qclass, p->qtype,
+				     p->answer, p->anslen)) < 0) {
+			querystate = RESQRY_FAIL;
+			continue;
+		}
+		(void)gethostans(this, p->answer, n, name, p->qtype,
+				 pai->ai_family, /*%< XXX: meaningless */
+				 0, &ai, pai);
+		if (ai) {
+			querystate = RESQRY_SUCCESS;
+			cur->ai_next = ai;
+			while (cur->ai_next)
+				cur = cur->ai_next;
+		} else
+			querystate = RESQRY_FAIL;
+	}
+
+ cleanup:
+	if (q != NULL)
+		memput(q, sizeof(*q));
+	if (q2 != NULL)
+		memput(q2, sizeof(*q2));
+	return(sentinel.ai_next);
+}
+
+static void
+ho_res_set(struct irs_ho *this, struct __res_state *res,
+		void (*free_res)(void *)) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->res && pvt->free_res) {
+		res_nclose(pvt->res);
+		(*pvt->free_res)(pvt->res);
+	}
+
+	pvt->res = res;
+	pvt->free_res = free_res;
+}
+
+/* Private. */
+
+static struct hostent *
+gethostans(struct irs_ho *this,
+	   const u_char *ansbuf, int anslen, const char *qname, int qtype,
+	   int af, int size,	/*!< meaningless for addrinfo cases  */
+	   struct addrinfo **ret_aip, const struct addrinfo *pai)
+{
+	struct pvt *pvt = (struct pvt *)this->private;
+	int type, class, ancount, qdcount, n, haveanswer, had_error;
+	int error = NETDB_SUCCESS;
+	int (*name_ok)(const char *);
+	const HEADER *hp;
+	const u_char *eom;
+	const u_char *eor;
+	const u_char *cp;
+	const char *tname;
+	const char *hname;
+	char *bp, *ep, **ap, **hap;
+	char tbuf[MAXDNAME+1];
+	struct addrinfo sentinel, *cur, ai;
+
+	if (pai == NULL) abort();
+	if (ret_aip != NULL)
+		*ret_aip = NULL;
+	memset(&sentinel, 0, sizeof(sentinel));
+	cur = &sentinel;
+
+	tname = qname;
+	eom = ansbuf + anslen;
+	switch (qtype) {
+	case T_A:
+	case T_AAAA:
+	case T_ANY:	/*%< use T_ANY only for T_A/T_AAAA lookup */
+		name_ok = res_hnok;
+		break;
+	case T_PTR:
+		name_ok = res_dnok;
+		break;
+	default:
+		abort();
+	}
+
+	pvt->host.h_addrtype = af;
+	pvt->host.h_length = size;
+	hname = pvt->host.h_name = NULL;
+
+	/*
+	 * Find first satisfactory answer.
+	 */
+	if (ansbuf + HFIXEDSZ > eom) {
+		RES_SET_H_ERRNO(pvt->res, NO_RECOVERY);
+		return (NULL);
+	}
+	hp = (const HEADER *)ansbuf;
+	ancount = ntohs(hp->ancount);
+	qdcount = ntohs(hp->qdcount);
+	bp = pvt->hostbuf;
+	ep = pvt->hostbuf + sizeof(pvt->hostbuf);
+	cp = ansbuf + HFIXEDSZ;
+	if (qdcount != 1) {
+		RES_SET_H_ERRNO(pvt->res, NO_RECOVERY);
+		return (NULL);
+	}
+	n = dn_expand(ansbuf, eom, cp, bp, ep - bp);
+	if (n < 0 || !maybe_ok(pvt->res, bp, name_ok)) {
+		RES_SET_H_ERRNO(pvt->res, NO_RECOVERY);
+		return (NULL);
+	}
+	cp += n + QFIXEDSZ;
+	if (cp > eom) {
+		RES_SET_H_ERRNO(pvt->res, NO_RECOVERY);
+		return (NULL);
+	}
+	if (qtype == T_A || qtype == T_AAAA || qtype == T_ANY) {
+		/* res_nsend() has already verified that the query name is the
+		 * same as the one we sent; this just gets the expanded name
+		 * (i.e., with the succeeding search-domain tacked on).
+		 */
+		n = strlen(bp) + 1;		/*%< for the \\0 */
+		if (n > MAXHOSTNAMELEN) {
+			RES_SET_H_ERRNO(pvt->res, NO_RECOVERY);
+			return (NULL);
+		}
+		pvt->host.h_name = bp;
+		hname = bp;
+		bp += n;
+		/* The qname can be abbreviated, but hname is now absolute. */
+		qname = pvt->host.h_name;
+	}
+	ap = pvt->host_aliases;
+	*ap = NULL;
+	pvt->host.h_aliases = pvt->host_aliases;
+	hap = pvt->h_addr_ptrs;
+	*hap = NULL;
+	pvt->host.h_addr_list = pvt->h_addr_ptrs;
+	haveanswer = 0;
+	had_error = 0;
+	while (ancount-- > 0 && cp < eom && !had_error) {
+		n = dn_expand(ansbuf, eom, cp, bp, ep - bp);
+		if (n < 0 || !maybe_ok(pvt->res, bp, name_ok)) {
+			had_error++;
+			continue;
+		}
+		cp += n;			/*%< name */
+		BOUNDS_CHECK(cp, 3 * INT16SZ + INT32SZ);
+		type = ns_get16(cp);
+		cp += INT16SZ;			/*%< type */
+		class = ns_get16(cp);
+		cp += INT16SZ + INT32SZ;	/*%< class, TTL */
+		n = ns_get16(cp);
+		cp += INT16SZ;			/*%< len */
+		BOUNDS_CHECK(cp, n);
+		if (class != C_IN) {
+			cp += n;
+			continue;
+		}
+		eor = cp + n;
+		if ((qtype == T_A || qtype == T_AAAA || qtype == T_ANY) &&
+		    type == T_CNAME) {
+			if (haveanswer) {
+				int level = LOG_CRIT;
+#ifdef LOG_SECURITY
+				level |= LOG_SECURITY;
+#endif
+				syslog(level,
+ "gethostans: possible attempt to exploit buffer overflow while looking up %s",
+					*qname ? qname : ".");
+			}
+			n = dn_expand(ansbuf, eor, cp, tbuf, sizeof tbuf);
+			if (n < 0 || !maybe_ok(pvt->res, tbuf, name_ok)) {
+				had_error++;
+				continue;
+			}
+			cp += n;
+			/* Store alias. */
+			if (ap >= &pvt->host_aliases[MAXALIASES-1])
+				continue;
+			*ap++ = bp;
+			n = strlen(bp) + 1;	/*%< for the \\0 */
+			bp += n;
+			/* Get canonical name. */
+			n = strlen(tbuf) + 1;	/*%< for the \\0 */
+			if (n > (ep - bp) || n > MAXHOSTNAMELEN) {
+				had_error++;
+				continue;
+			}
+			strcpy(bp, tbuf);	/* (checked) */
+			pvt->host.h_name = bp;
+			hname = bp;
+			bp += n;
+			continue;
+		}
+		if (qtype == T_PTR && type == T_CNAME) {
+			n = dn_expand(ansbuf, eor, cp, tbuf, sizeof tbuf);
+			if (n < 0 || !maybe_dnok(pvt->res, tbuf)) {
+				had_error++;
+				continue;
+			}
+			cp += n;
+#ifdef RES_USE_DNAME
+			if ((pvt->res->options & RES_USE_DNAME) != 0U)
+#endif
+			{
+				/*
+				 * We may be able to check this regardless
+				 * of the USE_DNAME bit, but we add the check
+				 * for now since the DNAME support is
+				 * experimental.
+				 */
+				if (ns_samename(tname, bp) != 1)
+					continue;
+			}
+			/* Get canonical name. */
+			n = strlen(tbuf) + 1;	/*%< for the \\0 */
+			if (n > (ep - bp)) {
+				had_error++;
+				continue;
+			}
+			strcpy(bp, tbuf);	/* (checked) */
+			tname = bp;
+			bp += n;
+			continue;
+		}
+		if (qtype == T_ANY) {
+			if (!(type == T_A || type == T_AAAA)) {
+				cp += n;
+				continue;
+			}
+		} else if (type != qtype) {
+			cp += n;
+			continue;
+		}
+		switch (type) {
+		case T_PTR:
+			if (ret_aip != NULL) {
+				/* addrinfo never needs T_PTR */
+				cp += n;
+				continue;
+			}
+			if (ns_samename(tname, bp) != 1) {
+				cp += n;
+				continue;
+			}
+			n = dn_expand(ansbuf, eor, cp, bp, ep - bp);
+			if (n < 0 || !maybe_hnok(pvt->res, bp) ||
+			    n >= MAXHOSTNAMELEN) {
+				had_error++;
+				break;
+			}
+			cp += n;
+			if (!haveanswer) {
+				pvt->host.h_name = bp;
+				hname = bp;
+			}
+			else if (ap < &pvt->host_aliases[MAXALIASES-1])
+				*ap++ = bp;
+			else
+				n = -1;
+			if (n != -1) {
+				n = strlen(bp) + 1;	/*%< for the \\0 */
+				bp += n;
+			}
+			break;
+		case T_A:
+		case T_AAAA:
+			if (ns_samename(hname, bp) != 1) {
+				cp += n;
+				continue;
+			}
+			if (type == T_A && n != INADDRSZ) {
+				cp += n;
+				continue;
+			}
+			if (type == T_AAAA && n != IN6ADDRSZ) {
+				cp += n;
+				continue;
+			}
+
+			/* make addrinfo. don't overwrite constant PAI */
+			ai = *pai;
+			ai.ai_family = (type == T_AAAA) ? AF_INET6 : AF_INET;
+			cur->ai_next = addr2addrinfo(
+					(const struct addrinfo *)&ai,
+					(const char *)cp);
+			if (cur->ai_next == NULL)
+				had_error++;
+
+			if (!haveanswer) {
+				int nn;
+
+				nn = strlen(bp) + 1;	/*%< for the \\0 */
+				if (nn >= MAXHOSTNAMELEN) {
+					cp += n;
+					had_error++;
+					continue;
+				}
+				pvt->host.h_name = bp;
+				hname = bp;
+				bp += nn;
+			}
+			/* Ensure alignment. */
+			bp = (char *)(((u_long)bp + (sizeof(align) - 1)) &
+				      ~(sizeof(align) - 1));
+			/* Avoid overflows. */
+			if (bp + n > &pvt->hostbuf[sizeof(pvt->hostbuf) - 1]) {
+				had_error++;
+				continue;
+			}
+			if (ret_aip) { /*%< need addrinfo. keep it. */
+				while (cur->ai_next)
+					cur = cur->ai_next;
+			} else if (cur->ai_next) { /*%< need hostent */
+				struct addrinfo *aip = cur->ai_next;
+
+				for (aip = cur->ai_next; aip;
+				     aip = aip->ai_next) {
+					int m;
+
+					m = add_hostent(pvt, bp, hap, aip);
+					if (m < 0) {
+						had_error++;
+						break;
+					}
+					if (m == 0)
+						continue;
+					if (hap < &pvt->h_addr_ptrs[MAXADDRS])
+						hap++;
+					*hap = NULL;
+					bp += m;
+				}
+
+				freeaddrinfo(cur->ai_next);
+				cur->ai_next = NULL;
+			}
+			cp += n;
+			break;
+		default:
+			abort();
+		}
+		if (!had_error)
+			haveanswer++;
+	}
+	if (haveanswer) {
+		if (ret_aip == NULL) {
+			*ap = NULL;
+			*hap = NULL;
+
+			if (pvt->res->nsort && hap != pvt->h_addr_ptrs &&
+			    qtype == T_A)
+				addrsort(pvt->res, pvt->h_addr_ptrs,
+					 hap - pvt->h_addr_ptrs);
+			if (pvt->host.h_name == NULL) {
+				n = strlen(qname) + 1;	/*%< for the \\0 */
+				if (n > (ep - bp) || n >= MAXHOSTNAMELEN)
+					goto no_recovery;
+				strcpy(bp, qname);	/* (checked) */
+				pvt->host.h_name = bp;
+				bp += n;
+			}
+			if (pvt->res->options & RES_USE_INET6)
+				map_v4v6_hostent(&pvt->host, &bp, ep);
+			RES_SET_H_ERRNO(pvt->res, NETDB_SUCCESS);
+			return (&pvt->host);
+		} else {
+			if ((pai->ai_flags & AI_CANONNAME) != 0) {
+				if (pvt->host.h_name == NULL) {
+					sentinel.ai_next->ai_canonname =
+						strdup(qname);
+				}
+				else {
+					sentinel.ai_next->ai_canonname =
+						strdup(pvt->host.h_name);
+				}
+			}
+			*ret_aip = sentinel.ai_next;
+			return(NULL);
+		}
+	}
+ no_recovery:
+	if (sentinel.ai_next) {
+		/* this should be impossible, but check it for safety */
+		freeaddrinfo(sentinel.ai_next);
+	}
+	if (error == NETDB_SUCCESS)
+		RES_SET_H_ERRNO(pvt->res, NO_RECOVERY);
+	else
+		RES_SET_H_ERRNO(pvt->res, error);
+	return(NULL);
+}
+
+static int
+add_hostent(struct pvt *pvt, char *bp, char **hap, struct addrinfo *ai)
+{
+	int addrlen;
+	char *addrp;
+	const char **tap;
+	char *obp = bp;
+
+	switch(ai->ai_addr->sa_family) {
+	case AF_INET6:
+		addrlen = IN6ADDRSZ;
+		addrp = (char *)&((struct sockaddr_in6 *)ai->ai_addr)->sin6_addr;
+		break;
+	case AF_INET:
+		addrlen = INADDRSZ;
+		addrp = (char *)&((struct sockaddr_in *)ai->ai_addr)->sin_addr;
+		break;
+	default:
+		return(-1);	/*%< abort? */
+	}
+
+	/* Ensure alignment. */
+	bp = (char *)(((u_long)bp + (sizeof(align) - 1)) &
+		      ~(sizeof(align) - 1));
+	/* Avoid overflows. */
+	if (bp + addrlen > &pvt->hostbuf[sizeof(pvt->hostbuf) - 1])
+		return(-1);
+	if (hap >= &pvt->h_addr_ptrs[MAXADDRS])
+		return(0); /*%< fail, but not treat it as an error. */
+	/* Suppress duplicates. */
+	for (tap = (const char **)pvt->h_addr_ptrs;
+	     *tap != NULL;
+	     tap++)
+		if (memcmp(*tap, addrp, addrlen) == 0)
+			break;
+	if (*tap != NULL)
+		return (0);
+
+	memcpy(*hap = bp, addrp, addrlen);
+	return((bp + addrlen) - obp);
+}
+
+static void
+map_v4v6_hostent(struct hostent *hp, char **bpp, char *ep) {
+	char **ap;
+
+	if (hp->h_addrtype != AF_INET || hp->h_length != INADDRSZ)
+		return;
+	hp->h_addrtype = AF_INET6;
+	hp->h_length = IN6ADDRSZ;
+	for (ap = hp->h_addr_list; *ap; ap++) {
+		int i = (u_long)*bpp % sizeof(align);
+
+		if (i != 0)
+			i = sizeof(align) - i;
+
+		if ((ep - *bpp) < (i + IN6ADDRSZ)) {
+			/* Out of memory.  Truncate address list here. */
+			*ap = NULL;
+			return;
+		}
+		*bpp += i;
+		map_v4v6_address(*ap, *bpp);
+		*ap = *bpp;
+		*bpp += IN6ADDRSZ;
+	}
+}
+
+static void
+addrsort(res_state statp, char **ap, int num) {
+	int i, j, needsort = 0, aval[MAXADDRS];
+	char **p;
+
+	p = ap;
+	for (i = 0; i < num; i++, p++) {
+		for (j = 0 ; (unsigned)j < statp->nsort; j++)
+			if (statp->sort_list[j].addr.s_addr ==
+			    (((struct in_addr *)(*p))->s_addr &
+			     statp->sort_list[j].mask))
+				break;
+		aval[i] = j;
+		if (needsort == 0 && i > 0 && j < aval[i-1])
+			needsort = i;
+	}
+	if (!needsort)
+		return;
+
+	while (needsort < num) {
+		for (j = needsort - 1; j >= 0; j--) {
+			if (aval[j] > aval[j+1]) {
+				char *hp;
+
+				i = aval[j];
+				aval[j] = aval[j+1];
+				aval[j+1] = i;
+
+				hp = ap[j];
+				ap[j] = ap[j+1];
+				ap[j+1] = hp;
+
+			} else
+				break;
+		}
+		needsort++;
+	}
+}
+
+static int
+init(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (!pvt->res && !ho_res_get(this))
+		return (-1);
+	if (((pvt->res->options & RES_INIT) == 0U) &&
+	    res_ninit(pvt->res) == -1)
+		return (-1);
+	return (0);
+}
diff --git a/usr/src/lib/libresolv2_joy/common/irs/dns_nw.c b/usr/src/lib/libresolv2_joy/common/irs/dns_nw.c
new file mode 100644
index 0000000000..e9acfd39c7
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/dns_nw.c
@@ -0,0 +1,591 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: dns_nw.c,v 1.12 2005/04/27 04:56:22 sra Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/* Imports. */
+
+#include "port_before.h"
+
+#include <sys/param.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <isc/memcluster.h>
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "dns_p.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) sprintf x
+#endif
+
+/* Definitions. */
+
+#define	MAXALIASES	35
+
+#define	MAXPACKET	(64*1024)
+
+struct pvt {
+	struct nwent	net;
+	char *		ali[MAXALIASES];
+	char		buf[BUFSIZ+1];
+	struct __res_state * res;
+	void		(*free_res)(void *);
+};
+
+typedef union {
+	long	al;
+	char	ac;
+} align;
+
+enum by_what { by_addr, by_name };
+
+/* Forwards. */
+
+static void		nw_close(struct irs_nw *);
+static struct nwent *	nw_byname(struct irs_nw *, const char *, int);
+static struct nwent *	nw_byaddr(struct irs_nw *, void *, int, int);
+static struct nwent *	nw_next(struct irs_nw *);
+static void		nw_rewind(struct irs_nw *);
+static void		nw_minimize(struct irs_nw *);
+static struct __res_state * nw_res_get(struct irs_nw *this);
+static void		nw_res_set(struct irs_nw *this,
+				   struct __res_state *res,
+				   void (*free_res)(void *));
+
+static struct nwent *	get1101byaddr(struct irs_nw *, u_char *, int);
+static struct nwent *	get1101byname(struct irs_nw *, const char *);
+static struct nwent *	get1101answer(struct irs_nw *,
+				      u_char *ansbuf, int anslen,
+				      enum by_what by_what,
+				      int af, const char *name,
+				      const u_char *addr, int addrlen);
+static struct nwent *	get1101mask(struct irs_nw *this, struct nwent *);
+static int		make1101inaddr(const u_char *, int, char *, int);
+static void		normalize_name(char *name);
+static int		init(struct irs_nw *this);
+
+/* Exports. */
+
+struct irs_nw *
+irs_dns_nw(struct irs_acc *this) {
+	struct irs_nw *nw;
+	struct pvt *pvt;
+
+	UNUSED(this);
+
+	if (!(pvt = memget(sizeof *pvt))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	if (!(nw = memget(sizeof *nw))) {
+		memput(pvt, sizeof *pvt);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(nw, 0x5e, sizeof *nw);
+	nw->private = pvt;
+	nw->close = nw_close;
+	nw->byname = nw_byname;
+	nw->byaddr = nw_byaddr;
+	nw->next = nw_next;
+	nw->rewind = nw_rewind;
+	nw->minimize = nw_minimize;
+	nw->res_get = nw_res_get;
+	nw->res_set = nw_res_set;
+	return (nw);
+}
+
+/* Methods. */
+
+static void
+nw_close(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	nw_minimize(this);
+
+	if (pvt->res && pvt->free_res)
+		(*pvt->free_res)(pvt->res);
+
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+static struct nwent *
+nw_byname(struct irs_nw *this, const char *name, int af) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (init(this) == -1)
+		return (NULL);
+
+	switch (af) {
+	case AF_INET:
+		return (get1101byname(this, name));
+	default:
+		(void)NULL;
+	}
+	RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+	errno = EAFNOSUPPORT;
+	return (NULL);
+}
+
+static struct nwent *
+nw_byaddr(struct irs_nw *this, void *net, int len, int af) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (init(this) == -1)
+		return (NULL);
+
+	switch (af) {
+	case AF_INET:
+		return (get1101byaddr(this, net, len));
+	default:
+		(void)NULL;
+	}
+	RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+	errno = EAFNOSUPPORT;
+	return (NULL);
+}
+
+static struct nwent *
+nw_next(struct irs_nw *this) {
+
+	UNUSED(this);
+
+	return (NULL);
+}
+
+static void
+nw_rewind(struct irs_nw *this) {
+	UNUSED(this);
+	/* NOOP */
+}
+
+static void
+nw_minimize(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->res)
+		res_nclose(pvt->res);
+}
+
+static struct __res_state *
+nw_res_get(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (!pvt->res) {
+		struct __res_state *res;
+		res = (struct __res_state *)malloc(sizeof *res);
+		if (!res) {
+			errno = ENOMEM;
+			return (NULL);
+		}
+		memset(res, 0, sizeof *res);
+		nw_res_set(this, res, free);
+	}
+
+	return (pvt->res);
+}
+
+static void
+nw_res_set(struct irs_nw *this, struct __res_state *res,
+		void (*free_res)(void *)) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->res && pvt->free_res) {
+		res_nclose(pvt->res);
+		(*pvt->free_res)(pvt->res);
+	}
+
+	pvt->res = res;
+	pvt->free_res = free_res;
+}
+
+/* Private. */
+
+static struct nwent *
+get1101byname(struct irs_nw *this, const char *name) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	u_char *ansbuf;
+	int anslen;
+	struct nwent *result;
+
+	ansbuf = memget(MAXPACKET);
+	if (ansbuf == NULL) {
+		errno = ENOMEM;
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		return (NULL);
+	}
+	anslen = res_nsearch(pvt->res, name, C_IN, T_PTR, ansbuf, MAXPACKET);
+	if (anslen < 0) {
+		memput(ansbuf, MAXPACKET);
+		return (NULL);
+	}
+	result = get1101mask(this, get1101answer(this, ansbuf, anslen, by_name,
+						 AF_INET, name, NULL, 0));
+	memput(ansbuf, MAXPACKET);
+	return (result);
+}
+
+static struct nwent *
+get1101byaddr(struct irs_nw *this, u_char *net, int len) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	char qbuf[sizeof "255.255.255.255.in-addr.arpa"];
+	struct nwent *result;
+	u_char *ansbuf;
+	int anslen;
+
+	if (len < 1 || len > 32) {
+		errno = EINVAL;
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		return (NULL);
+	}
+	if (make1101inaddr(net, len, qbuf, sizeof qbuf) < 0)
+		return (NULL);
+	ansbuf = memget(MAXPACKET);
+	if (ansbuf == NULL) {
+		errno = ENOMEM;
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		return (NULL);
+	}
+	anslen = res_nquery(pvt->res, qbuf, C_IN, T_PTR, ansbuf, MAXPACKET);
+	if (anslen < 0) {
+		memput(ansbuf, MAXPACKET);
+		return (NULL);
+	}
+	result = get1101mask(this, get1101answer(this, ansbuf, anslen, by_addr,
+						 AF_INET, NULL, net, len));
+	memput(ansbuf, MAXPACKET);
+	return (result);
+}
+
+static struct nwent *
+get1101answer(struct irs_nw *this,
+	      u_char *ansbuf, int anslen, enum by_what by_what,
+	      int af, const char *name, const u_char *addr, int addrlen)
+{
+	struct pvt *pvt = (struct pvt *)this->private;
+	int type, class, ancount, qdcount, haveanswer;
+	char *bp, *ep, **ap;
+	u_char *cp, *eom;
+	HEADER *hp;
+
+	/* Initialize, and parse header. */
+	eom = ansbuf + anslen;
+	if (ansbuf + HFIXEDSZ > eom) {
+		RES_SET_H_ERRNO(pvt->res, NO_RECOVERY);
+		return (NULL);
+	}
+	hp = (HEADER *)ansbuf;
+	cp = ansbuf + HFIXEDSZ;
+	qdcount = ntohs(hp->qdcount);
+	while (qdcount-- > 0) {
+		int n = dn_skipname(cp, eom);
+		cp += n + QFIXEDSZ;
+		if (n < 0 || cp > eom) {
+			RES_SET_H_ERRNO(pvt->res, NO_RECOVERY);
+			return (NULL);
+		}
+	}
+	ancount = ntohs(hp->ancount);
+	if (!ancount) {
+		if (hp->aa)
+			RES_SET_H_ERRNO(pvt->res, HOST_NOT_FOUND);
+		else
+			RES_SET_H_ERRNO(pvt->res, TRY_AGAIN);
+		return (NULL);
+	}
+
+	/* Prepare a return structure. */
+	bp = pvt->buf;
+	ep = pvt->buf + sizeof(pvt->buf);
+	pvt->net.n_name = NULL;
+	pvt->net.n_aliases = pvt->ali;
+	pvt->net.n_addrtype = af;
+	pvt->net.n_addr = NULL;
+	pvt->net.n_length = addrlen;
+
+	/* Save input key if given. */
+	switch (by_what) {
+	case by_name:
+		if (name != NULL) {
+			int n = strlen(name) + 1;
+
+			if (n > (ep - bp)) {
+				RES_SET_H_ERRNO(pvt->res, NO_RECOVERY);
+				return (NULL);
+			}
+			pvt->net.n_name = strcpy(bp, name);	/* (checked) */
+			bp += n;
+		}
+		break;
+	case by_addr:
+		if (addr != NULL && addrlen != 0) {
+			int n = addrlen / 8 + ((addrlen % 8) != 0);
+
+			if (INADDRSZ > (ep - bp)) {
+				RES_SET_H_ERRNO(pvt->res, NO_RECOVERY);
+				return (NULL);
+			}
+			memset(bp, 0, INADDRSZ);
+			memcpy(bp, addr, n);
+			pvt->net.n_addr = bp;
+			bp += INADDRSZ;
+		}
+		break;
+	default:
+		abort();
+	}
+
+	/* Parse the answer, collect aliases. */
+	ap = pvt->ali;
+	haveanswer = 0;
+	while (--ancount >= 0 && cp < eom) {
+		int n = dn_expand(ansbuf, eom, cp, bp, ep - bp);
+
+		cp += n;		/*%< Owner */
+		if (n < 0 || !maybe_dnok(pvt->res, bp) ||
+		    cp + 3 * INT16SZ + INT32SZ > eom) {
+			RES_SET_H_ERRNO(pvt->res, NO_RECOVERY);
+			return (NULL);
+		}
+		GETSHORT(type, cp);	/*%< Type */
+		GETSHORT(class, cp);	/*%< Class */
+		cp += INT32SZ;		/*%< TTL */
+		GETSHORT(n, cp);	/*%< RDLENGTH */
+		if (class == C_IN && type == T_PTR) {
+			int nn;
+
+			nn = dn_expand(ansbuf, eom, cp, bp, ep - bp);
+			if (nn < 0 || !maybe_hnok(pvt->res, bp) || nn != n) {
+				RES_SET_H_ERRNO(pvt->res, NO_RECOVERY);
+				return (NULL);
+			}
+			normalize_name(bp);
+			switch (by_what) {
+			case by_addr: {
+				if (pvt->net.n_name == NULL)
+					pvt->net.n_name = bp;
+				else if (ns_samename(pvt->net.n_name, bp) == 1)
+					break;
+				else
+					*ap++ = bp;
+				nn = strlen(bp) + 1;
+				bp += nn;
+				haveanswer++;
+				break;
+			    }
+			case by_name: {
+				u_int b1, b2, b3, b4;
+
+				if (pvt->net.n_addr != NULL ||
+				    sscanf(bp, "%u.%u.%u.%u.in-addr.arpa",
+					   &b1, &b2, &b3, &b4) != 4)
+					break;
+				if ((ep - bp) < INADDRSZ) {
+					RES_SET_H_ERRNO(pvt->res, NO_RECOVERY);
+					return (NULL);
+				}
+				pvt->net.n_addr = bp;
+				*bp++ = b4;
+				*bp++ = b3;
+				*bp++ = b2;
+				*bp++ = b1;
+				pvt->net.n_length = INADDRSZ * 8;
+				haveanswer++;
+			    }
+			}
+		}
+		cp += n;		/*%< RDATA */
+	}
+	if (!haveanswer) {
+		RES_SET_H_ERRNO(pvt->res, TRY_AGAIN);
+		return (NULL);
+	}
+	*ap = NULL;
+
+	return (&pvt->net);
+}
+
+static struct nwent *
+get1101mask(struct irs_nw *this, struct nwent *nwent) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	char qbuf[sizeof "255.255.255.255.in-addr.arpa"], owner[MAXDNAME];
+	int anslen, type, class, ancount, qdcount;
+	u_char *ansbuf, *cp, *eom;
+	HEADER *hp;
+
+	if (!nwent)
+		return (NULL);
+	if (make1101inaddr(nwent->n_addr, nwent->n_length, qbuf, sizeof qbuf)
+	    < 0) {
+		/* "First, do no harm." */
+		return (nwent);
+	}
+
+	ansbuf = memget(MAXPACKET);
+	if (ansbuf == NULL) {
+		errno = ENOMEM;
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		return (NULL);
+	}
+	/* Query for the A RR that would hold this network's mask. */
+	anslen = res_nquery(pvt->res, qbuf, C_IN, T_A, ansbuf, MAXPACKET);
+	if (anslen < HFIXEDSZ) {
+		memput(ansbuf, MAXPACKET);
+		return (nwent);
+	}
+
+	/* Initialize, and parse header. */
+	hp = (HEADER *)ansbuf;
+	cp = ansbuf + HFIXEDSZ;
+	eom = ansbuf + anslen;
+	qdcount = ntohs(hp->qdcount);
+	while (qdcount-- > 0) {
+		int n = dn_skipname(cp, eom);
+		cp += n + QFIXEDSZ;
+		if (n < 0 || cp > eom) {
+			memput(ansbuf, MAXPACKET);
+			return (nwent);
+		}
+	}
+	ancount = ntohs(hp->ancount);
+
+	/* Parse the answer, collect aliases. */
+	while (--ancount >= 0 && cp < eom) {
+		int n = dn_expand(ansbuf, eom, cp, owner, sizeof owner);
+
+		if (n < 0 || !maybe_dnok(pvt->res, owner))
+			break;
+		cp += n;		/*%< Owner */
+		if (cp + 3 * INT16SZ + INT32SZ > eom)
+			break;
+		GETSHORT(type, cp);	/*%< Type */
+		GETSHORT(class, cp);	/*%< Class */
+		cp += INT32SZ;		/*%< TTL */
+		GETSHORT(n, cp);	/*%< RDLENGTH */
+		if (cp + n > eom)
+			break;
+		if (n == INADDRSZ && class == C_IN && type == T_A &&
+		    ns_samename(qbuf, owner) == 1) {
+			/* This A RR indicates the actual netmask. */
+			int nn, mm;
+
+			nwent->n_length = 0;
+			for (nn = 0; nn < INADDRSZ; nn++)
+				for (mm = 7; mm >= 0; mm--)
+					if (cp[nn] & (1 << mm))
+						nwent->n_length++;
+					else
+						break;
+		}
+		cp += n;		/*%< RDATA */
+	}
+	memput(ansbuf, MAXPACKET);
+	return (nwent);
+}
+
+static int
+make1101inaddr(const u_char *net, int bits, char *name, int size) {
+	int n, m;
+	char *ep;
+
+	ep = name + size;
+
+	/* Zero fill any whole bytes left out of the prefix. */
+	for (n = (32 - bits) / 8; n > 0; n--) {
+		if (ep - name < (int)(sizeof "0."))
+			goto emsgsize;
+		m = SPRINTF((name, "0."));
+		name += m;
+	}
+
+	/* Format the partial byte, if any, within the prefix. */
+	if ((n = bits % 8) != 0) {
+		if (ep - name < (int)(sizeof "255."))
+			goto emsgsize;
+		m = SPRINTF((name, "%u.",
+			     net[bits / 8] & ~((1 << (8 - n)) - 1)));
+		name += m;
+	}
+
+	/* Format the whole bytes within the prefix. */
+	for (n = bits / 8; n > 0; n--) {
+		if (ep - name < (int)(sizeof "255."))
+			goto emsgsize;
+		m = SPRINTF((name, "%u.", net[n - 1]));
+		name += m;
+	}
+
+	/* Add the static text. */
+	if (ep - name < (int)(sizeof "in-addr.arpa"))
+		goto emsgsize;
+	(void) SPRINTF((name, "in-addr.arpa"));
+	return (0);
+
+ emsgsize:
+	errno = EMSGSIZE;
+	return (-1);
+}
+
+static void
+normalize_name(char *name) {
+	char *t;
+
+	/* Make lower case. */
+	for (t = name; *t; t++)
+		if (isascii((unsigned char)*t) && isupper((unsigned char)*t))
+			*t = tolower((*t)&0xff);
+
+	/* Remove trailing dots. */
+	while (t > name && t[-1] == '.')
+		*--t = '\0';
+}
+
+static int
+init(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	
+	if (!pvt->res && !nw_res_get(this))
+		return (-1);
+	if (((pvt->res->options & RES_INIT) == 0U) &&
+	    res_ninit(pvt->res) == -1)
+		return (-1);
+	return (0);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/dns_p.h b/usr/src/lib/libresolv2_joy/common/irs/dns_p.h
new file mode 100644
index 0000000000..d85ae2a238
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/dns_p.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id: dns_p.h,v 1.4 2005/04/27 04:56:22 sra Exp $
+ */
+
+#ifndef _DNS_P_H_INCLUDED
+#define	_DNS_P_H_INCLUDED
+
+#define	maybe_ok(res, nm, ok) (((res)->options & RES_NOCHECKNAME) != 0U || \
+			       (ok)(nm) != 0)
+#define maybe_hnok(res, hn) maybe_ok((res), (hn), res_hnok)
+#define maybe_dnok(res, dn) maybe_ok((res), (dn), res_dnok)
+
+/*%
+ * Object state.
+ */
+struct dns_p {
+	void			*hes_ctx;
+	struct __res_state	*res;
+	void                    (*free_res) __P((void *));
+};
+
+/*
+ * Methods.
+ */
+
+extern struct irs_gr *	irs_dns_gr __P((struct irs_acc *));
+extern struct irs_pw *	irs_dns_pw __P((struct irs_acc *));
+extern struct irs_sv *	irs_dns_sv __P((struct irs_acc *));
+extern struct irs_pr *	irs_dns_pr __P((struct irs_acc *));
+extern struct irs_ho *	irs_dns_ho __P((struct irs_acc *));
+extern struct irs_nw *	irs_dns_nw __P((struct irs_acc *));
+
+#endif /*_DNS_P_H_INCLUDED*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/dns_pr.c b/usr/src/lib/libresolv2_joy/common/irs/dns_pr.c
new file mode 100644
index 0000000000..c281be432c
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/dns_pr.c
@@ -0,0 +1,268 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: dns_pr.c,v 1.5 2005/04/27 04:56:22 sra Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <netdb.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include <isc/memcluster.h>
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "hesiod.h"
+#include "dns_p.h"
+
+/* Types. */
+
+struct pvt {
+	struct dns_p *		dns;
+	struct protoent		proto;
+	char *			prbuf;
+};
+
+/* Forward. */
+
+static void 			pr_close(struct irs_pr *);
+static struct protoent *	pr_byname(struct irs_pr *, const char *);
+static struct protoent *	pr_bynumber(struct irs_pr *, int);
+static struct protoent *	pr_next(struct irs_pr *);
+static void			pr_rewind(struct irs_pr *);
+static void			pr_minimize(struct irs_pr *);
+static struct __res_state *	pr_res_get(struct irs_pr *);
+static void			pr_res_set(struct irs_pr *,
+					   struct __res_state *,
+					   void (*)(void *));
+
+static struct protoent *	parse_hes_list(struct irs_pr *, char **);
+
+/* Public. */
+
+struct irs_pr *
+irs_dns_pr(struct irs_acc *this) {
+	struct dns_p *dns = (struct dns_p *)this->private;
+	struct pvt *pvt;
+	struct irs_pr *pr;
+
+	if (!dns->hes_ctx) {
+		errno = ENODEV;
+		return (NULL);
+	}
+	if (!(pvt = memget(sizeof *pvt))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	if (!(pr = memget(sizeof *pr))) {
+		memput(pvt, sizeof *pvt);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pr, 0x5e, sizeof *pr);
+	pvt->dns = dns;
+	pr->private = pvt;
+	pr->byname = pr_byname;
+	pr->bynumber = pr_bynumber;
+	pr->next = pr_next;
+	pr->rewind = pr_rewind;
+	pr->close = pr_close;
+	pr->minimize = pr_minimize;
+	pr->res_get = pr_res_get;
+	pr->res_set = pr_res_set;
+	return (pr);
+}
+
+/* Methods. */
+
+static void
+pr_close(struct irs_pr *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->proto.p_aliases)
+		free(pvt->proto.p_aliases);
+	if (pvt->prbuf)
+		free(pvt->prbuf);
+
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+static struct protoent *
+pr_byname(struct irs_pr *this, const char *name) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct dns_p *dns = pvt->dns;
+	struct protoent *proto;
+	char **hes_list;
+
+	if (!(hes_list = hesiod_resolve(dns->hes_ctx, name, "protocol")))
+		return (NULL);
+
+	proto = parse_hes_list(this, hes_list);
+	hesiod_free_list(dns->hes_ctx, hes_list);
+	return (proto);
+}
+
+static struct protoent *
+pr_bynumber(struct irs_pr *this, int num) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct dns_p *dns = pvt->dns;
+	struct protoent *proto;
+	char numstr[16];
+	char **hes_list;
+
+	sprintf(numstr, "%d", num);
+	if (!(hes_list = hesiod_resolve(dns->hes_ctx, numstr, "protonum")))
+		return (NULL);
+	
+	proto = parse_hes_list(this, hes_list);
+	hesiod_free_list(dns->hes_ctx, hes_list);
+	return (proto);
+}
+
+static struct protoent *
+pr_next(struct irs_pr *this) {
+	UNUSED(this);
+	errno = ENODEV;
+	return (NULL);
+}
+
+static void
+pr_rewind(struct irs_pr *this) {
+	UNUSED(this);
+	/* NOOP */
+}
+
+static void
+pr_minimize(struct irs_pr *this) {
+	UNUSED(this);
+	/* NOOP */
+}
+
+static struct __res_state *
+pr_res_get(struct irs_pr *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct dns_p *dns = pvt->dns;
+
+	return (__hesiod_res_get(dns->hes_ctx));
+}
+
+static void
+pr_res_set(struct irs_pr *this, struct __res_state * res,
+	   void (*free_res)(void *)) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct dns_p *dns = pvt->dns;
+
+	__hesiod_res_set(dns->hes_ctx, res, free_res);
+}
+
+/* Private. */
+
+static struct protoent *
+parse_hes_list(struct irs_pr *this, char **hes_list) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	char *p, *cp, **cpp, **new;
+	int num = 0;
+	int max = 0;
+	
+	for (cpp = hes_list; *cpp; cpp++) {
+		cp = *cpp;
+
+		/* Strip away comments, if any. */
+		if ((p = strchr(cp, '#')))
+			*p = 0;
+
+		/* Skip blank lines. */
+		p = cp;
+		while (*p && !isspace((unsigned char)*p))
+			p++;
+		if (!*p)
+			continue;
+
+		/* OK, we've got a live one.  Let's parse it for real. */
+		if (pvt->prbuf)
+			free(pvt->prbuf);
+		pvt->prbuf = strdup(cp);
+
+		p = pvt->prbuf;
+		pvt->proto.p_name = p;
+		while (*p && !isspace((unsigned char)*p))
+			p++;
+		if (!*p)
+			continue;
+		*p++ = '\0';
+
+		pvt->proto.p_proto = atoi(p);
+		while (*p && !isspace((unsigned char)*p))
+			p++;
+		if (*p)
+			*p++ = '\0';
+
+		while (*p) {
+			if ((num + 1) >= max || !pvt->proto.p_aliases) {
+				max += 10;
+				new = realloc(pvt->proto.p_aliases,
+					      max * sizeof(char *));
+				if (!new) {
+					errno = ENOMEM;
+					goto cleanup;
+				}
+				pvt->proto.p_aliases = new;
+			}
+			pvt->proto.p_aliases[num++] = p;
+			while (*p && !isspace((unsigned char)*p))
+				p++;
+			if (*p)
+				*p++ = '\0';
+		}
+		if (!pvt->proto.p_aliases)
+			pvt->proto.p_aliases = malloc(sizeof(char *));
+		if (!pvt->proto.p_aliases)
+			goto cleanup;
+		pvt->proto.p_aliases[num] = NULL;
+		return (&pvt->proto);
+	}
+	
+ cleanup:
+	if (pvt->proto.p_aliases) {
+		free(pvt->proto.p_aliases);
+		pvt->proto.p_aliases = NULL;
+	}
+	if (pvt->prbuf) {
+		free(pvt->prbuf);
+		pvt->prbuf = NULL;
+	}
+	return (NULL);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/dns_sv.c b/usr/src/lib/libresolv2_joy/common/irs/dns_sv.c
new file mode 100644
index 0000000000..1001dc1051
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/dns_sv.c
@@ -0,0 +1,300 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: dns_sv.c,v 1.5 2005/04/27 04:56:23 sra Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <netinet/in.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <netdb.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+#include <isc/memcluster.h>
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "hesiod.h"
+#include "dns_p.h"
+
+/* Definitions */
+
+struct pvt {
+	struct dns_p *		dns;
+	struct servent		serv;
+	char *			svbuf;
+	struct __res_state *	res;
+	void			(*free_res)(void *);
+};
+
+/* Forward. */
+
+static void 			sv_close(struct irs_sv *);
+static struct servent *		sv_byname(struct irs_sv *,
+					  const char *, const char *);
+static struct servent *		sv_byport(struct irs_sv *, int, const char *);
+static struct servent *		sv_next(struct irs_sv *);
+static void			sv_rewind(struct irs_sv *);
+static void			sv_minimize(struct irs_sv *);
+#ifdef SV_RES_SETGET
+static struct __res_state *	sv_res_get(struct irs_sv *);
+static void			sv_res_set(struct irs_sv *,
+					   struct __res_state *,
+					   void (*)(void *));
+#endif
+
+static struct servent *		parse_hes_list(struct irs_sv *,
+					       char **, const char *);
+
+/* Public */
+
+struct irs_sv *
+irs_dns_sv(struct irs_acc *this) {
+	struct dns_p *dns = (struct dns_p *)this->private;
+	struct irs_sv *sv;
+	struct pvt *pvt;
+
+	if (!dns || !dns->hes_ctx) {
+		errno = ENODEV;
+		return (NULL);
+	}
+	if (!(pvt = memget(sizeof *pvt))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	pvt->dns = dns;
+	if (!(sv = memget(sizeof *sv))) {
+		memput(pvt, sizeof *pvt);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(sv, 0x5e, sizeof *sv);
+	sv->private = pvt;
+	sv->byname = sv_byname;
+	sv->byport = sv_byport;
+	sv->next = sv_next;
+	sv->rewind = sv_rewind;
+	sv->close = sv_close;
+	sv->minimize = sv_minimize;
+#ifdef SV_RES_SETGET
+	sv->res_get = sv_res_get;
+	sv->res_set = sv_res_set;
+#else
+	sv->res_get = NULL; /*%< sv_res_get; */
+	sv->res_set = NULL; /*%< sv_res_set; */
+#endif
+	return (sv);
+}
+
+/* Methods */
+
+static void
+sv_close(struct irs_sv *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->serv.s_aliases)
+		free(pvt->serv.s_aliases);
+	if (pvt->svbuf)
+		free(pvt->svbuf);
+
+	if (pvt->res && pvt->free_res)
+		(*pvt->free_res)(pvt->res);
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+static struct servent *
+sv_byname(struct irs_sv *this, const char *name, const char *proto) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct dns_p *dns = pvt->dns;
+	struct servent *s;
+	char **hes_list;
+
+	if (!(hes_list = hesiod_resolve(dns->hes_ctx, name, "service")))
+		return (NULL);
+
+	s = parse_hes_list(this, hes_list, proto);
+	hesiod_free_list(dns->hes_ctx, hes_list);
+	return (s);
+}
+
+static struct servent *
+sv_byport(struct irs_sv *this, int port, const char *proto) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct dns_p *dns = pvt->dns;
+	struct servent *s;
+	char portstr[16];
+	char **hes_list;
+
+	sprintf(portstr, "%d", ntohs(port));
+	if (!(hes_list = hesiod_resolve(dns->hes_ctx, portstr, "port")))
+		return (NULL);
+	
+	s = parse_hes_list(this, hes_list, proto);
+	hesiod_free_list(dns->hes_ctx, hes_list);
+	return (s);
+}
+
+static struct servent *
+sv_next(struct irs_sv *this) {
+	UNUSED(this);
+	errno = ENODEV;
+	return (NULL);
+}
+
+static void
+sv_rewind(struct irs_sv *this) {
+	UNUSED(this);
+	/* NOOP */
+}
+
+/* Private */
+
+static struct servent *
+parse_hes_list(struct irs_sv *this, char **hes_list, const char *proto) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	char *p, *cp, **cpp, **new;
+	int proto_len;
+	int num = 0;
+	int max = 0;
+	
+	for (cpp = hes_list; *cpp; cpp++) {
+		cp = *cpp;
+
+		/* Strip away comments, if any. */
+		if ((p = strchr(cp, '#')))
+			*p = 0;
+
+		/* Check to make sure the protocol matches. */
+		p = cp;
+		while (*p && !isspace((unsigned char)*p))
+			p++;
+		if (!*p)
+			continue;
+		if (proto) {
+		     proto_len = strlen(proto);
+		     if (strncasecmp(++p, proto, proto_len) != 0)
+			  continue;
+		     if (p[proto_len] && !isspace(p[proto_len]&0xff))
+			  continue;
+		}
+		/* OK, we've got a live one.  Let's parse it for real. */
+		if (pvt->svbuf)
+			free(pvt->svbuf);
+		pvt->svbuf = strdup(cp);
+
+		p = pvt->svbuf;
+		pvt->serv.s_name = p;
+		while (*p && !isspace(*p&0xff))
+			p++;
+		if (!*p)
+			continue;
+		*p++ = '\0';
+
+		pvt->serv.s_proto = p;
+		while (*p && !isspace(*p&0xff))
+			p++;
+		if (!*p)
+			continue;
+		*p++ = '\0';
+
+		pvt->serv.s_port = htons((u_short) atoi(p));
+		while (*p && !isspace(*p&0xff))
+			p++;
+		if (*p)
+			*p++ = '\0';
+
+		while (*p) {
+			if ((num + 1) >= max || !pvt->serv.s_aliases) {
+				max += 10;
+				new = realloc(pvt->serv.s_aliases,
+					      max * sizeof(char *));
+				if (!new) {
+					errno = ENOMEM;
+					goto cleanup;
+				}
+				pvt->serv.s_aliases = new;
+			}
+			pvt->serv.s_aliases[num++] = p;
+			while (*p && !isspace(*p&0xff))
+				p++;
+			if (*p)
+				*p++ = '\0';
+		}
+		if (!pvt->serv.s_aliases)
+			pvt->serv.s_aliases = malloc(sizeof(char *));
+		if (!pvt->serv.s_aliases)
+			goto cleanup;
+		pvt->serv.s_aliases[num] = NULL;
+		return (&pvt->serv);
+	}
+	
+ cleanup:
+	if (pvt->serv.s_aliases) {
+		free(pvt->serv.s_aliases);
+		pvt->serv.s_aliases = NULL;
+	}
+	if (pvt->svbuf) {
+		free(pvt->svbuf);
+		pvt->svbuf = NULL;
+	}
+	return (NULL);
+}
+
+static void
+sv_minimize(struct irs_sv *this) {
+	UNUSED(this);
+	/* NOOP */
+}
+
+#ifdef SV_RES_SETGET
+static struct __res_state *
+sv_res_get(struct irs_sv *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct dns_p *dns = pvt->dns;
+
+	return (__hesiod_res_get(dns->hes_ctx));
+}
+
+static void
+sv_res_set(struct irs_sv *this, struct __res_state * res,
+	   void (*free_res)(void *)) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct dns_p *dns = pvt->dns;
+
+	__hesiod_res_set(dns->hes_ctx, res, free_res);
+}
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/gai_strerror.c b/usr/src/lib/libresolv2_joy/common/irs/gai_strerror.c
new file mode 100644
index 0000000000..9ca1c4bfe1
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/gai_strerror.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 2001 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <port_before.h>
+#include <netdb.h>
+#include <port_after.h>
+
+#ifdef DO_PTHREADS
+#include <pthread.h>
+#include <stdlib.h>
+#endif
+
+static const char *gai_errlist[] = {
+	"no error",
+	"address family not supported for name",/*%< EAI_ADDRFAMILY */
+	"temporary failure",			/*%< EAI_AGAIN */
+	"invalid flags",			/*%< EAI_BADFLAGS */
+	"permanent failure",			/*%< EAI_FAIL */
+	"address family not supported",		/*%< EAI_FAMILY */
+	"memory failure",			/*%< EAI_MEMORY */
+	"no address",				/*%< EAI_NODATA */
+	"unknown name or service",		/*%< EAI_NONAME */
+	"service not supported for socktype",	/*%< EAI_SERVICE */
+	"socktype not supported",		/*%< EAI_SOCKTYPE */
+	"system failure",			/*%< EAI_SYSTEM */
+	"bad hints",				/*%< EAI_BADHINTS */
+	"bad protocol",				/*%< EAI_PROTOCOL */
+	"unknown error"				/*%< Must be last. */
+};
+
+static const int gai_nerr = (sizeof(gai_errlist)/sizeof(*gai_errlist));
+
+#define EAI_BUFSIZE 128
+
+const char *
+gai_strerror(int ecode) {
+#ifndef DO_PTHREADS
+	static char buf[EAI_BUFSIZE];
+#else	/* DO_PTHREADS */
+#ifndef LIBBIND_MUTEX_INITIALIZER
+#define LIBBIND_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
+#endif
+	static pthread_mutex_t lock = LIBBIND_MUTEX_INITIALIZER;
+	static pthread_key_t key;
+	static int once = 0;
+	char *buf;
+#endif
+
+	if (ecode >= 0 && ecode < (gai_nerr - 1))
+		return (gai_errlist[ecode]);
+
+#ifdef DO_PTHREADS
+        if (!once) {
+                if (pthread_mutex_lock(&lock) != 0)
+			goto unknown;
+                if (!once) {
+                        if (pthread_key_create(&key, free) != 0) {
+				(void)pthread_mutex_unlock(&lock);
+				goto unknown;
+			}
+			once = 1;
+		}
+                if (pthread_mutex_unlock(&lock) != 0)
+			goto unknown;
+        }
+
+	buf = pthread_getspecific(key);
+        if (buf == NULL) {
+		buf = malloc(EAI_BUFSIZE);
+                if (buf == NULL)
+                        goto unknown;
+                if (pthread_setspecific(key, buf) != 0) {
+			free(buf);
+			goto unknown;
+		}
+        }
+#endif
+	/* 
+	 * XXX This really should be snprintf(buf, EAI_BUFSIZE, ...).
+	 * It is safe until message catalogs are used.
+	 */
+	sprintf(buf, "%s: %d", gai_errlist[gai_nerr - 1], ecode);
+	return (buf);
+
+#ifdef DO_PTHREADS
+ unknown:
+	return ("unknown error");
+#endif
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/gen.c b/usr/src/lib/libresolv2_joy/common/irs/gen.c
new file mode 100644
index 0000000000..7da01f5b09
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/gen.c
@@ -0,0 +1,459 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: gen.c,v 1.7 2005/04/27 04:56:23 sra Exp $";
+#endif
+
+/*! \file
+ * \brief
+ * this is the top level dispatcher
+ *
+ * The dispatcher is implemented as an accessor class; it is an
+ * accessor class that calls other accessor classes, as controlled by a
+ * configuration file.
+ * 
+ * A big difference between this accessor class and others is that the
+ * map class initializers are NULL, and the map classes are already
+ * filled in with method functions that will do the right thing.
+ */
+
+/* Imports */
+
+#include "port_before.h"
+
+#include <isc/assertions.h>
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <netinet/in.h> 
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+#include <isc/memcluster.h>
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "gen_p.h"
+
+#ifdef SUNW_HOSTS_FALLBACK
+extern int __res_no_hosts_fallback(void);
+#endif /* SUNW_HOSTS_FALLBACK */
+
+/* Definitions */
+
+struct nameval {
+	const char *	name;
+	int		val;
+};
+
+static const struct nameval acc_names[irs_nacc+1] = {
+	{ "local", irs_lcl },
+	{ "dns", irs_dns },
+	{ "nis", irs_nis },
+	{ "irp", irs_irp },
+	{ NULL, irs_nacc }
+};
+
+typedef struct irs_acc *(*accinit) __P((const char *options));
+
+static const accinit accs[irs_nacc+1] = {
+	irs_lcl_acc,
+	irs_dns_acc,
+#ifdef WANT_IRS_NIS
+	irs_nis_acc,
+#else
+	NULL,
+#endif
+	irs_irp_acc,
+	NULL
+};
+
+static const struct nameval map_names[irs_nmap+1] = {
+	{ "group", irs_gr },
+	{ "passwd", irs_pw },
+	{ "services", irs_sv },
+	{ "protocols", irs_pr },
+	{ "hosts", irs_ho },
+	{ "networks", irs_nw },
+	{ "netgroup", irs_ng },
+	{ NULL, irs_nmap }
+};
+
+static const struct nameval option_names[] = {
+	{ "merge", IRS_MERGE },
+	{ "continue", IRS_CONTINUE },
+	{ NULL, 0 }
+};
+
+/* Forward */
+
+static void		gen_close(struct irs_acc *);
+static struct __res_state * gen_res_get(struct irs_acc *);
+static void		gen_res_set(struct irs_acc *, struct __res_state *,
+				    void (*)(void *));
+static int		find_name(const char *, const struct nameval nv[]);
+static void 		init_map_rules(struct gen_p *, const char *conf_file);
+static struct irs_rule *release_rule(struct irs_rule *);
+static int		add_rule(struct gen_p *,
+				 enum irs_map_id, enum irs_acc_id,
+				 const char *);
+
+/* Public */
+
+struct irs_acc *
+irs_gen_acc(const char *options, const char *conf_file) {
+	struct irs_acc *acc;
+	struct gen_p *irs;
+		
+	if (!(acc = memget(sizeof *acc))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(acc, 0x5e, sizeof *acc);
+	if (!(irs = memget(sizeof *irs))) {
+		errno = ENOMEM;
+		memput(acc, sizeof *acc);
+		return (NULL);
+	}
+	memset(irs, 0x5e, sizeof *irs);
+	irs->options = strdup(options);
+	irs->res = NULL;
+	irs->free_res = NULL;
+	memset(irs->accessors, 0, sizeof irs->accessors);
+	memset(irs->map_rules, 0, sizeof irs->map_rules);
+	init_map_rules(irs, conf_file);
+	acc->private = irs;
+#ifdef WANT_IRS_GR
+	acc->gr_map = irs_gen_gr;
+#else
+	acc->gr_map = NULL;
+#endif
+#ifdef WANT_IRS_PW
+	acc->pw_map = irs_gen_pw;
+#else
+	acc->pw_map = NULL;
+#endif
+	acc->sv_map = irs_gen_sv;
+	acc->pr_map = irs_gen_pr;
+	acc->ho_map = irs_gen_ho;
+	acc->nw_map = irs_gen_nw;
+	acc->ng_map = irs_gen_ng;
+	acc->res_get = gen_res_get;
+	acc->res_set = gen_res_set;
+	acc->close = gen_close;
+	return (acc);
+}
+
+/* Methods */
+
+static struct __res_state *
+gen_res_get(struct irs_acc *this) {
+	struct gen_p *irs = (struct gen_p *)this->private;
+
+	if (irs->res == NULL) {
+		struct __res_state *res;
+		res = (struct __res_state *)malloc(sizeof *res);
+		if (res == NULL)
+			return (NULL);
+		memset(res, 0, sizeof *res);
+		gen_res_set(this, res, free);
+	}
+
+	if (((irs->res->options & RES_INIT) == 0U) && res_ninit(irs->res) < 0)
+		return (NULL);
+
+	return (irs->res);
+}
+
+static void
+gen_res_set(struct irs_acc *this, struct __res_state *res,
+	    void (*free_res)(void *)) {
+	struct gen_p *irs = (struct gen_p *)this->private;
+#if 0
+	struct irs_rule *rule;
+	struct irs_ho *ho;
+	struct irs_nw *nw;
+#endif
+
+	if (irs->res && irs->free_res) {
+		res_nclose(irs->res);
+		(*irs->free_res)(irs->res);
+	}
+
+	irs->res = res;
+	irs->free_res = free_res;
+
+#if 0
+	for (rule = irs->map_rules[irs_ho]; rule; rule = rule->next) {
+                ho = rule->inst->ho;
+
+                (*ho->res_set)(ho, res, NULL);
+	}
+	for (rule = irs->map_rules[irs_nw]; rule; rule = rule->next) {
+                nw = rule->inst->nw;
+
+                (*nw->res_set)(nw, res, NULL);
+	}
+#endif
+}
+
+static void
+gen_close(struct irs_acc *this) {
+	struct gen_p *irs = (struct gen_p *)this->private;
+	int n;
+	
+	/* Search rules. */
+	for (n = 0; n < irs_nmap; n++)
+		while (irs->map_rules[n] != NULL)
+			irs->map_rules[n] = release_rule(irs->map_rules[n]);
+
+	/* Access methods. */
+	for (n = 0; n < irs_nacc; n++) {
+		/* Map objects. */
+		if (irs->accessors[n].gr != NULL)
+			(*irs->accessors[n].gr->close)(irs->accessors[n].gr);
+		if (irs->accessors[n].pw != NULL)
+			(*irs->accessors[n].pw->close)(irs->accessors[n].pw);
+		if (irs->accessors[n].sv != NULL)
+			(*irs->accessors[n].sv->close)(irs->accessors[n].sv);
+		if (irs->accessors[n].pr != NULL)
+			(*irs->accessors[n].pr->close)(irs->accessors[n].pr);
+		if (irs->accessors[n].ho != NULL)
+			(*irs->accessors[n].ho->close)(irs->accessors[n].ho);
+		if (irs->accessors[n].nw != NULL)
+			(*irs->accessors[n].nw->close)(irs->accessors[n].nw);
+		if (irs->accessors[n].ng != NULL)
+			(*irs->accessors[n].ng->close)(irs->accessors[n].ng);
+		/* Enclosing accessor. */
+		if (irs->accessors[n].acc != NULL)
+			(*irs->accessors[n].acc->close)(irs->accessors[n].acc);
+	}
+
+	/* The options string was strdup'd. */
+	free((void*)irs->options);
+
+	if (irs->res && irs->free_res)
+		(*irs->free_res)(irs->res);
+
+	/* The private data container. */
+	memput(irs, sizeof *irs);
+
+	/* The object. */
+	memput(this, sizeof *this);
+}
+
+/* Private */
+
+static int
+find_name(const char *name, const struct nameval names[]) {
+	int n;
+
+	for (n = 0; names[n].name != NULL; n++)
+		if (strcmp(name, names[n].name) == 0)
+			return (names[n].val);
+	return (-1);
+}
+
+static struct irs_rule *
+release_rule(struct irs_rule *rule) {
+	struct irs_rule *next = rule->next;
+
+	memput(rule, sizeof *rule);
+	return (next);
+}
+
+static int
+add_rule(struct gen_p *irs,
+	 enum irs_map_id map, enum irs_acc_id acc,
+	 const char *options)
+{
+	struct irs_rule **rules, *last, *tmp, *new;
+	struct irs_inst *inst;
+	const char *cp;
+	int n;
+
+#ifndef WANT_IRS_GR
+	if (map == irs_gr)
+		return (-1);
+#endif
+#ifndef WANT_IRS_PW
+	if (map == irs_pw)
+		return (-1);
+#endif
+#ifndef WANT_IRS_NIS
+	if (acc == irs_nis)
+		return (-1);
+#endif
+	new = memget(sizeof *new);
+	if (new == NULL)
+		return (-1);
+	memset(new, 0x5e, sizeof *new);
+	new->next = NULL;
+
+	new->inst = &irs->accessors[acc];
+
+	new->flags = 0;
+	cp = options;
+	while (cp && *cp) {
+		char option[50], *next;
+
+		next = strchr(cp, ',');
+		if (next)
+			n = next++ - cp;
+		else
+			n = strlen(cp);
+		if ((size_t)n > sizeof option - 1)
+			n = sizeof option - 1;
+		strncpy(option, cp, n);
+		option[n] = '\0';
+
+		n = find_name(option, option_names);
+		if (n >= 0)
+			new->flags |= n;
+
+		cp = next;
+	}
+
+	rules = &irs->map_rules[map];
+	for (last = NULL, tmp = *rules;
+	     tmp != NULL;
+	     last = tmp, tmp = tmp->next)
+		(void)NULL;
+	if (last == NULL)
+		*rules = new;
+	else
+		last->next = new;
+
+	/* Try to instantiate map accessors for this if necessary & approp. */
+	inst = &irs->accessors[acc];
+	if (inst->acc == NULL && accs[acc] != NULL)
+		inst->acc = (*accs[acc])(irs->options);
+	if (inst->acc != NULL) {
+		if (inst->gr == NULL && inst->acc->gr_map != NULL)
+			inst->gr = (*inst->acc->gr_map)(inst->acc);
+		if (inst->pw == NULL && inst->acc->pw_map != NULL)
+			inst->pw = (*inst->acc->pw_map)(inst->acc);
+		if (inst->sv == NULL && inst->acc->sv_map != NULL)
+			inst->sv = (*inst->acc->sv_map)(inst->acc);
+		if (inst->pr == NULL && inst->acc->pr_map != NULL)
+			inst->pr = (*inst->acc->pr_map)(inst->acc);
+		if (inst->ho == NULL && inst->acc->ho_map != NULL)
+			inst->ho = (*inst->acc->ho_map)(inst->acc);
+		if (inst->nw == NULL && inst->acc->nw_map != NULL)
+			inst->nw = (*inst->acc->nw_map)(inst->acc);
+		if (inst->ng == NULL && inst->acc->ng_map != NULL)
+			inst->ng = (*inst->acc->ng_map)(inst->acc);
+	}
+
+	return (0);
+}
+
+static void
+default_map_rules(struct gen_p *irs) {
+	/* Install time honoured and proved BSD style rules as default. */
+	add_rule(irs, irs_gr, irs_lcl, "");
+	add_rule(irs, irs_pw, irs_lcl, "");
+	add_rule(irs, irs_sv, irs_lcl, "");
+	add_rule(irs, irs_pr, irs_lcl, "");
+#ifdef SUNW_HOSTS_FALLBACK
+	if (__res_no_hosts_fallback())
+		add_rule(irs, irs_ho, irs_dns, "");
+	else {
+		add_rule(irs, irs_ho, irs_dns, "continue");
+		add_rule(irs, irs_ho, irs_lcl, "");
+	}
+#else  /* SUNW_HOSTS_FALLBACK */
+	add_rule(irs, irs_ho, irs_dns, "continue");
+	add_rule(irs, irs_ho, irs_lcl, "");
+#endif /* SUNW_HOSTS_FALLBACK */
+	add_rule(irs, irs_nw, irs_dns, "continue");
+	add_rule(irs, irs_nw, irs_lcl, "");
+	add_rule(irs, irs_ng, irs_lcl, "");
+}
+
+static void
+init_map_rules(struct gen_p *irs, const char *conf_file) {
+	char line[1024], pattern[40], mapname[20], accname[20], options[100];
+	FILE *conf;
+
+#ifdef SUNW_HOSTS_FALLBACK
+	if (__res_no_hosts_fallback()) {
+		default_map_rules(irs);
+		return;
+	}
+#endif /* SUNW_HOSTS_FALLBACK */
+
+	if (conf_file == NULL) 
+		conf_file = _PATH_IRS_CONF ;
+
+	/* A conf file of "" means compiled in defaults. Irpd wants this */
+	if (conf_file[0] == '\0' || (conf = fopen(conf_file, "r")) == NULL) {
+		default_map_rules(irs);
+		return;
+	}
+	(void) sprintf(pattern, "%%%lus %%%lus %%%lus\n",
+		       (unsigned long)sizeof mapname,
+		       (unsigned long)sizeof accname,
+		       (unsigned long)sizeof options);
+	while (fgets(line, sizeof line, conf)) {
+		enum irs_map_id map;
+		enum irs_acc_id acc;
+		char *tmp;
+		int n;
+
+		for (tmp = line;
+		     isascii((unsigned char)*tmp) &&
+		     isspace((unsigned char)*tmp);
+		     tmp++)
+			(void)NULL;
+		if (*tmp == '#' || *tmp == '\n' || *tmp == '\0')
+			continue;
+		n = sscanf(tmp, pattern, mapname, accname, options);
+		if (n < 2)
+			continue;
+		if (n < 3)
+			options[0] = '\0';
+
+		n = find_name(mapname, map_names);
+		INSIST(n < irs_nmap);
+		if (n < 0)
+			continue;
+		map = (enum irs_map_id) n;
+
+		n = find_name(accname, acc_names);
+		INSIST(n < irs_nacc);
+		if (n < 0)
+			continue;
+		acc = (enum irs_acc_id) n;
+
+		add_rule(irs, map, acc, options);
+	}
+	fclose(conf);
+}
diff --git a/usr/src/lib/libresolv2_joy/common/irs/gen_ho.c b/usr/src/lib/libresolv2_joy/common/irs/gen_ho.c
new file mode 100644
index 0000000000..8e41d7d610
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/gen_ho.c
@@ -0,0 +1,391 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: gen_ho.c,v 1.5 2006/03/09 23:57:56 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/* Imports */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <stdlib.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <isc/memcluster.h>
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "gen_p.h"
+
+/* Definitions */
+
+struct pvt {
+	struct irs_rule *	rules;
+	struct irs_rule *	rule;
+	struct irs_ho *		ho;
+	struct __res_state *	res;
+	void			(*free_res)(void *);
+};
+
+/* Forwards */
+
+static void		ho_close(struct irs_ho *this);
+static struct hostent *	ho_byname(struct irs_ho *this, const char *name);
+static struct hostent *	ho_byname2(struct irs_ho *this, const char *name,
+				   int af);
+static struct hostent *	ho_byaddr(struct irs_ho *this, const void *addr,
+				  int len, int af);
+static struct hostent *	ho_next(struct irs_ho *this);
+static void		ho_rewind(struct irs_ho *this);
+static void		ho_minimize(struct irs_ho *this);
+static struct __res_state * ho_res_get(struct irs_ho *this);
+static void		ho_res_set(struct irs_ho *this,
+				   struct __res_state *res,
+				   void (*free_res)(void *));
+static struct addrinfo * ho_addrinfo(struct irs_ho *this, const char *name,
+				     const struct addrinfo *pai);
+
+static int		init(struct irs_ho *this);
+
+/* Exports */
+
+struct irs_ho *
+irs_gen_ho(struct irs_acc *this) {
+	struct gen_p *accpvt = (struct gen_p *)this->private;
+	struct irs_ho *ho;
+	struct pvt *pvt;
+
+	if (!(pvt = memget(sizeof *pvt))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	if (!(ho = memget(sizeof *ho))) {
+		memput(pvt, sizeof *pvt);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(ho, 0x5e, sizeof *ho);
+	pvt->rules = accpvt->map_rules[irs_ho];
+	pvt->rule = pvt->rules;
+	ho->private = pvt;
+	ho->close = ho_close;
+	ho->byname = ho_byname;
+	ho->byname2 = ho_byname2;
+	ho->byaddr = ho_byaddr;
+	ho->next = ho_next;
+	ho->rewind = ho_rewind;
+	ho->minimize = ho_minimize;
+	ho->res_get = ho_res_get;
+	ho->res_set = ho_res_set;
+	ho->addrinfo = ho_addrinfo;
+	return (ho);
+}
+
+/* Methods. */
+
+static void
+ho_close(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	ho_minimize(this);
+	if (pvt->res && pvt->free_res)
+		(*pvt->free_res)(pvt->res);
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+static struct hostent *
+ho_byname(struct irs_ho *this, const char *name) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+	struct hostent *rval;
+	struct irs_ho *ho;
+	int therrno = NETDB_INTERNAL;
+	int softerror = 0;
+
+	if (init(this) == -1)
+		return (NULL);
+
+	for (rule = pvt->rules; rule; rule = rule->next) {
+		ho = rule->inst->ho;
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		errno = 0;
+		rval = (*ho->byname)(ho, name);
+		if (rval != NULL)
+			return (rval);
+		if (softerror == 0 &&
+		    pvt->res->res_h_errno != HOST_NOT_FOUND &&
+		    pvt->res->res_h_errno != NETDB_INTERNAL) {
+			softerror = 1;
+			therrno = pvt->res->res_h_errno;
+		}
+		if (rule->flags & IRS_CONTINUE)
+			continue;
+		/*
+		 * The value TRY_AGAIN can mean that the service
+		 * is not available, or just that this particular name
+		 * cannot be resolved now.  We use the errno ECONNREFUSED
+		 * to distinguish.  If a lookup sets that errno when
+		 * H_ERRNO is TRY_AGAIN, we continue to try other lookup
+		 * functions, otherwise we return the TRY_AGAIN error.
+		 */
+		if (pvt->res->res_h_errno != TRY_AGAIN || errno != ECONNREFUSED)
+			break;
+	}
+	if (softerror != 0 && pvt->res->res_h_errno == HOST_NOT_FOUND)
+		RES_SET_H_ERRNO(pvt->res, therrno);
+	return (NULL);
+}
+
+static struct hostent *
+ho_byname2(struct irs_ho *this, const char *name, int af) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+	struct hostent *rval;
+	struct irs_ho *ho;
+	int therrno = NETDB_INTERNAL;
+	int softerror = 0;
+
+	if (init(this) == -1)
+		return (NULL);
+
+	for (rule = pvt->rules; rule; rule = rule->next) {
+		ho = rule->inst->ho;
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		errno = 0;
+		rval = (*ho->byname2)(ho, name, af);
+		if (rval != NULL)
+			return (rval);
+		if (softerror == 0 &&
+		    pvt->res->res_h_errno != HOST_NOT_FOUND &&
+		    pvt->res->res_h_errno != NETDB_INTERNAL) {
+			softerror = 1;
+			therrno = pvt->res->res_h_errno;
+		}
+		if (rule->flags & IRS_CONTINUE)
+			continue;
+		/*
+		 * See the comments in ho_byname() explaining
+		 * the interpretation of TRY_AGAIN and ECONNREFUSED.
+		 */
+		if (pvt->res->res_h_errno != TRY_AGAIN || errno != ECONNREFUSED)
+			break;
+	}
+	if (softerror != 0 && pvt->res->res_h_errno == HOST_NOT_FOUND)
+		RES_SET_H_ERRNO(pvt->res, therrno);
+	return (NULL);
+}
+
+static struct hostent *
+ho_byaddr(struct irs_ho *this, const void *addr, int len, int af) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+	struct hostent *rval;
+	struct irs_ho *ho;
+	int therrno = NETDB_INTERNAL;
+	int softerror = 0;
+
+
+	if (init(this) == -1)
+		return (NULL);
+
+	for (rule = pvt->rules; rule; rule = rule->next) {
+		ho = rule->inst->ho;
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		errno = 0;
+		rval = (*ho->byaddr)(ho, addr, len, af);
+		if (rval != NULL)
+			return (rval);
+		if (softerror == 0 &&
+		    pvt->res->res_h_errno != HOST_NOT_FOUND &&
+		    pvt->res->res_h_errno != NETDB_INTERNAL) {
+			softerror = 1;
+			therrno = pvt->res->res_h_errno;
+		}
+
+		if (rule->flags & IRS_CONTINUE)
+			continue;
+		/*
+		 * See the comments in ho_byname() explaining
+		 * the interpretation of TRY_AGAIN and ECONNREFUSED.
+		 */
+		if (pvt->res->res_h_errno != TRY_AGAIN || errno != ECONNREFUSED)
+			break;
+	}
+	if (softerror != 0 && pvt->res->res_h_errno == HOST_NOT_FOUND)
+		RES_SET_H_ERRNO(pvt->res, therrno);
+	return (NULL);
+}
+
+static struct hostent *
+ho_next(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct hostent *rval;
+	struct irs_ho *ho;
+
+	while (pvt->rule) {
+		ho = pvt->rule->inst->ho;
+		rval = (*ho->next)(ho);
+		if (rval)
+			return (rval);
+		if (!(pvt->rule->flags & IRS_CONTINUE))
+			break;
+		pvt->rule = pvt->rule->next;
+		if (pvt->rule) {
+			ho = pvt->rule->inst->ho;
+			(*ho->rewind)(ho);
+		}
+	}
+	return (NULL);
+}
+
+static void
+ho_rewind(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_ho *ho;
+
+	pvt->rule = pvt->rules;
+	if (pvt->rule) {
+		ho = pvt->rule->inst->ho;
+		(*ho->rewind)(ho);
+	}
+}
+
+static void
+ho_minimize(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+
+	if (pvt->res)
+		res_nclose(pvt->res);
+	for (rule = pvt->rules; rule != NULL; rule = rule->next) {
+		struct irs_ho *ho = rule->inst->ho;
+
+		(*ho->minimize)(ho);
+	}
+}
+
+static struct __res_state *
+ho_res_get(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (!pvt->res) {
+		struct __res_state *res;
+		res = (struct __res_state *)malloc(sizeof *res);
+		if (!res) {
+			errno = ENOMEM;
+			return (NULL);
+		}
+		memset(res, 0, sizeof *res);
+		ho_res_set(this, res, free);
+	}
+
+	return (pvt->res);
+}
+
+static void
+ho_res_set(struct irs_ho *this, struct __res_state *res,
+		void (*free_res)(void *)) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+
+	if (pvt->res && pvt->free_res) {
+		res_nclose(pvt->res);
+		(*pvt->free_res)(pvt->res);
+	}
+
+	pvt->res = res;
+	pvt->free_res = free_res;
+
+	for (rule = pvt->rules; rule != NULL; rule = rule->next) {
+		struct irs_ho *ho = rule->inst->ho;
+
+		(*ho->res_set)(ho, pvt->res, NULL);
+	}
+}
+
+static struct addrinfo *
+ho_addrinfo(struct irs_ho *this, const char *name, const struct addrinfo *pai)
+{
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+	struct addrinfo *rval = NULL;
+	struct irs_ho *ho;
+	int therrno = NETDB_INTERNAL;
+	int softerror = 0;
+
+	if (init(this) == -1)
+		return (NULL);
+
+	for (rule = pvt->rules; rule; rule = rule->next) {
+		ho = rule->inst->ho;
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		errno = 0;
+		if (ho->addrinfo == NULL) /*%< for safety */
+			continue;
+		rval = (*ho->addrinfo)(ho, name, pai);
+		if (rval != NULL)
+			return (rval);
+		if (softerror == 0 &&
+		    pvt->res->res_h_errno != HOST_NOT_FOUND &&
+		    pvt->res->res_h_errno != NETDB_INTERNAL) {
+			softerror = 1;
+			therrno = pvt->res->res_h_errno;
+		}
+		if (rule->flags & IRS_CONTINUE)
+			continue;
+		/*
+		 * See the comments in ho_byname() explaining
+		 * the interpretation of TRY_AGAIN and ECONNREFUSED.
+		 */
+		if (pvt->res->res_h_errno != TRY_AGAIN ||
+		    errno != ECONNREFUSED)
+			break;
+	}
+	if (softerror != 0 && pvt->res->res_h_errno == HOST_NOT_FOUND)
+		RES_SET_H_ERRNO(pvt->res, therrno);
+	return (NULL);
+}
+
+static int
+init(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+        if (!pvt->res && !ho_res_get(this))
+                return (-1);
+
+        if (((pvt->res->options & RES_INIT) == 0U) &&
+            (res_ninit(pvt->res) == -1))
+                return (-1);
+
+        return (0);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/gen_ng.c b/usr/src/lib/libresolv2_joy/common/irs/gen_ng.c
new file mode 100644
index 0000000000..e3c874ee68
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/gen_ng.c
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: gen_ng.c,v 1.3 2005/04/27 04:56:23 sra Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <isc/memcluster.h>
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "gen_p.h"
+
+/* Types */
+
+struct pvt {
+	struct irs_rule *	rules;
+	struct irs_rule *	rule;
+	char *			curgroup;
+};
+
+/* Forward */
+
+static void		ng_close(struct irs_ng *);
+static int		ng_next(struct irs_ng *, const char **,
+				const char **, const char **);
+static int 		ng_test(struct irs_ng *, const char *,
+				const char *, const char *,
+				const char *);
+static void 		ng_rewind(struct irs_ng *, const char *);
+static void		ng_minimize(struct irs_ng *);
+
+/* Public */
+
+struct irs_ng *
+irs_gen_ng(struct irs_acc *this) {
+	struct gen_p *accpvt = (struct gen_p *)this->private;
+	struct irs_ng *ng;
+	struct pvt *pvt;
+	
+	if (!(ng = memget(sizeof *ng))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(ng, 0x5e, sizeof *ng);
+	if (!(pvt = memget(sizeof *pvt))) {
+		memput(ng, sizeof *ng);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	pvt->rules = accpvt->map_rules[irs_ng];
+	pvt->rule = pvt->rules;
+	ng->private = pvt;
+	ng->close = ng_close;
+	ng->next = ng_next;
+	ng->test = ng_test;
+	ng->rewind = ng_rewind;
+	ng->minimize = ng_minimize;
+	return (ng);
+}
+
+/* Methods */
+
+static void 
+ng_close(struct irs_ng *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	
+	ng_minimize(this);
+	if (pvt->curgroup)
+		free(pvt->curgroup);
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+static int
+ng_next(struct irs_ng *this, const char **host, const char **user,
+	const char **domain)
+{
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_ng *ng;
+	
+	while (pvt->rule) {
+		ng = pvt->rule->inst->ng;
+		if ((*ng->next)(ng, host, user, domain) == 1)
+			return (1);
+		if (!(pvt->rule->flags & IRS_CONTINUE))
+			break;
+		pvt->rule = pvt->rule->next;
+		if (pvt->rule) {
+			ng = pvt->rule->inst->ng;
+			(*ng->rewind)(ng, pvt->curgroup);
+		}
+	}
+	return (0);
+}
+
+static int
+ng_test(struct irs_ng *this, const char *name,
+	const char *user, const char *host, const char *domain)
+{
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+	struct irs_ng *ng;
+	int rval;
+	
+	rval = 0;
+	for (rule = pvt->rules; rule; rule = rule->next) {
+		ng = rule->inst->ng;
+		rval = (*ng->test)(ng, name, user, host, domain);
+		if (rval || !(rule->flags & IRS_CONTINUE))
+			break;
+	}
+	return (rval);
+}
+
+static void
+ng_rewind(struct irs_ng *this, const char *group) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_ng *ng;
+	
+	pvt->rule = pvt->rules;
+	if (pvt->rule) {
+		if (pvt->curgroup)
+			free(pvt->curgroup);
+		pvt->curgroup = strdup(group);
+		ng = pvt->rule->inst->ng;
+		(*ng->rewind)(ng, pvt->curgroup);
+	}
+}
+
+static void
+ng_minimize(struct irs_ng *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+
+	for (rule = pvt->rules; rule != NULL; rule = rule->next) {
+		struct irs_ng *ng = rule->inst->ng;
+
+		(*ng->minimize)(ng);
+	}
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/gen_nw.c b/usr/src/lib/libresolv2_joy/common/irs/gen_nw.c
new file mode 100644
index 0000000000..12bd0e0f6d
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/gen_nw.c
@@ -0,0 +1,264 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: gen_nw.c,v 1.4 2005/04/27 04:56:23 sra Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <resolv_joy.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <isc/memcluster.h>
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "gen_p.h"
+
+/* Types */
+
+struct pvt {
+	struct irs_rule *	rules;
+	struct irs_rule *	rule;
+	struct __res_state *	res;
+	void 			(*free_res)(void *);
+};
+
+/* Forward */
+
+static void		nw_close(struct irs_nw*);
+static struct nwent *	nw_next(struct irs_nw *);
+static struct nwent *	nw_byname(struct irs_nw *, const char *, int);
+static struct nwent *	nw_byaddr(struct irs_nw *, void *, int, int);
+static void    		nw_rewind(struct irs_nw *);
+static void		nw_minimize(struct irs_nw *);
+static struct __res_state * nw_res_get(struct irs_nw *this);
+static void		nw_res_set(struct irs_nw *this,
+				   struct __res_state *res,
+				   void (*free_res)(void *));
+
+static int		init(struct irs_nw *this);
+
+/* Public */
+
+struct irs_nw *
+irs_gen_nw(struct irs_acc *this) {
+	struct gen_p *accpvt = (struct gen_p *)this->private;
+	struct irs_nw *nw;
+	struct pvt *pvt;
+
+	if (!(pvt = memget(sizeof *pvt))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	if (!(nw = memget(sizeof *nw))) {
+		memput(pvt, sizeof *pvt);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(nw, 0x5e, sizeof *nw);
+	pvt->rules = accpvt->map_rules[irs_nw];
+	pvt->rule = pvt->rules;
+	nw->private = pvt;
+	nw->close = nw_close;
+	nw->next = nw_next;
+	nw->byname = nw_byname;
+	nw->byaddr = nw_byaddr;
+	nw->rewind = nw_rewind;
+	nw->minimize = nw_minimize;
+	nw->res_get = nw_res_get;
+	nw->res_set = nw_res_set;
+	return (nw);
+}
+
+/* Methods */
+
+static void
+nw_close(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	nw_minimize(this);
+
+	if (pvt->res && pvt->free_res)
+		(*pvt->free_res)(pvt->res);
+
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+static struct nwent *
+nw_next(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct nwent *rval;
+	struct irs_nw *nw;
+
+	if (init(this) == -1)
+		return(NULL);
+
+	while (pvt->rule) {
+		nw = pvt->rule->inst->nw;
+		rval = (*nw->next)(nw);
+		if (rval)
+			return (rval);
+		if (!(pvt->rules->flags & IRS_CONTINUE))
+			break;
+		pvt->rule = pvt->rule->next;
+		if (pvt->rule) {
+			nw = pvt->rule->inst->nw;
+			(*nw->rewind)(nw);
+		}
+	}
+	return (NULL);
+}
+
+static struct nwent *
+nw_byname(struct irs_nw *this, const char *name, int type) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+	struct nwent *rval;
+	struct irs_nw *nw;
+	
+	if (init(this) == -1)
+		return(NULL);
+
+	for (rule = pvt->rules; rule; rule = rule->next) {
+		nw = rule->inst->nw;
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		rval = (*nw->byname)(nw, name, type);
+		if (rval != NULL)
+			return (rval);
+		if (pvt->res->res_h_errno != TRY_AGAIN &&
+		    !(rule->flags & IRS_CONTINUE))
+			break;
+	}
+	return (NULL);
+}
+
+static struct nwent *
+nw_byaddr(struct irs_nw *this, void *net, int length, int type) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+	struct nwent *rval;
+	struct irs_nw *nw;
+	
+	if (init(this) == -1)
+		return(NULL);
+
+	for (rule = pvt->rules; rule; rule = rule->next) {
+		nw = rule->inst->nw;
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		rval = (*nw->byaddr)(nw, net, length, type);
+		if (rval != NULL)
+			return (rval);
+		if (pvt->res->res_h_errno != TRY_AGAIN &&
+		    !(rule->flags & IRS_CONTINUE))
+			break;
+	}
+	return (NULL);
+}
+
+static void
+nw_rewind(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_nw *nw;
+
+	pvt->rule = pvt->rules;
+	if (pvt->rule) {
+		nw = pvt->rule->inst->nw;
+		(*nw->rewind)(nw);
+	}
+}
+
+static void
+nw_minimize(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+
+	if (pvt->res)
+		res_nclose(pvt->res);
+	for (rule = pvt->rules; rule != NULL; rule = rule->next) {
+		struct irs_nw *nw = rule->inst->nw;
+
+		(*nw->minimize)(nw);
+	}
+}
+
+static struct __res_state *
+nw_res_get(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (!pvt->res) {
+		struct __res_state *res;
+		res = (struct __res_state *)malloc(sizeof *res);
+		if (!res) {
+			errno = ENOMEM;
+			return (NULL);
+		}
+		memset(res, 0, sizeof *res);
+		nw_res_set(this, res, free);
+	}
+
+	return (pvt->res);
+}
+
+static void
+nw_res_set(struct irs_nw *this, struct __res_state *res,
+		void (*free_res)(void *)) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+
+	if (pvt->res && pvt->free_res) {
+		res_nclose(pvt->res);
+		(*pvt->free_res)(pvt->res);
+	}
+
+	pvt->res = res;
+	pvt->free_res = free_res;
+
+	for (rule = pvt->rules; rule != NULL; rule = rule->next) {
+		struct irs_nw *nw = rule->inst->nw;
+
+		(*nw->res_set)(nw, pvt->res, NULL);
+	}
+}
+
+static int
+init(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	
+	if (!pvt->res && !nw_res_get(this))
+		return (-1);
+	if (((pvt->res->options & RES_INIT) == 0U) &&
+	    res_ninit(pvt->res) == -1)
+		return (-1);
+	return (0);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/gen_p.h b/usr/src/lib/libresolv2_joy/common/irs/gen_p.h
new file mode 100644
index 0000000000..1adc5909bb
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/gen_p.h
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id: gen_p.h,v 1.3 2005/04/27 04:56:23 sra Exp $
+ */
+
+/*! \file
+ *  Notes:
+ *	We hope to create a complete set of thread-safe entry points someday,
+ *	which will mean a set of getXbyY() functions that take as an argument
+ *	a pointer to the map class, which will have a pointer to the private
+ *	data, which will be used preferentially to the static variables that
+ *	are necessary to support the "classic" interface.  This "classic"
+ *	interface will then be reimplemented as stubs on top of the thread
+ *	safe modules, and will keep the map class pointers as their only
+ *	static data.  HOWEVER, we are not there yet.  So while we will call
+ *	the just-barely-converted map class methods with map class pointers,
+ *	right now they probably all still use statics.  We're not fooling
+ *	anybody, and we're not trying to (yet).
+ */
+
+#ifndef _GEN_P_H_INCLUDED
+#define _GEN_P_H_INCLUDED
+
+/*%
+ * These are the access methods.
+ */
+enum irs_acc_id {
+	irs_lcl,	/*%< Local. */
+	irs_dns,	/*%< DNS or Hesiod. */
+	irs_nis,	/*%< Sun NIS ("YP"). */
+	irs_irp,	/*%< IR protocol. */
+	irs_nacc
+};
+
+/*%
+ * These are the map types.
+ */
+enum irs_map_id {
+	irs_gr,		/*%< "group" */
+	irs_pw,		/*%< "passwd" */
+	irs_sv,		/*%< "services" */
+	irs_pr,		/*%< "protocols" */
+	irs_ho,		/*%< "hosts" */
+	irs_nw,		/*%< "networks" */
+	irs_ng,		/*%< "netgroup" */
+	irs_nmap
+};
+
+/*%
+ * This is an accessor instance.
+ */
+struct irs_inst {
+	struct irs_acc *acc;
+	struct irs_gr *	gr;
+	struct irs_pw *	pw;
+	struct irs_sv *	sv;
+	struct irs_pr *	pr;
+	struct irs_ho *	ho;
+	struct irs_nw *	nw;
+	struct irs_ng *	ng;
+};
+
+/*%
+ * This is a search rule for some map type.
+ */
+struct irs_rule {
+	struct irs_rule *	next;
+	struct irs_inst *	inst;
+	int			flags;
+};
+#define IRS_MERGE		0x0001	/*%< Don't stop if acc. has data? */
+#define	IRS_CONTINUE		0x0002	/*%< Don't stop if acc. has no data? */
+/*
+ * This is the private data for a search access class.
+ */
+struct gen_p {
+	char *			options;
+	struct irs_rule *	map_rules[(int)irs_nmap];
+	struct irs_inst		accessors[(int)irs_nacc];
+	struct __res_state *	res;
+	void			(*free_res) __P((void *));
+};
+
+/*
+ * Externs.
+ */
+
+extern struct irs_acc *	irs_gen_acc __P((const char *, const char *conf_file));
+extern struct irs_gr *	irs_gen_gr __P((struct irs_acc *));
+extern struct irs_pw *	irs_gen_pw __P((struct irs_acc *));
+extern struct irs_sv *	irs_gen_sv __P((struct irs_acc *));
+extern struct irs_pr *	irs_gen_pr __P((struct irs_acc *));
+extern struct irs_ho *	irs_gen_ho __P((struct irs_acc *));
+extern struct irs_nw *	irs_gen_nw __P((struct irs_acc *));
+extern struct irs_ng *	irs_gen_ng __P((struct irs_acc *));
+
+#endif /*_IRS_P_H_INCLUDED*/
diff --git a/usr/src/lib/libresolv2_joy/common/irs/gen_pr.c b/usr/src/lib/libresolv2_joy/common/irs/gen_pr.c
new file mode 100644
index 0000000000..9fd32c4dd9
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/gen_pr.c
@@ -0,0 +1,228 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: gen_pr.c,v 1.3 2005/04/27 04:56:24 sra Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <resolv_joy.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <isc/memcluster.h>
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "gen_p.h"
+
+/* Types */
+
+struct pvt {
+	struct irs_rule *	rules;
+	struct irs_rule *	rule;
+	struct __res_state *	res;
+	void			(*free_res)(void *);
+};
+
+/* Forward */
+
+static void			pr_close(struct irs_pr*);
+static struct protoent *	pr_next(struct irs_pr *);
+static struct protoent *	pr_byname(struct irs_pr *, const char *);
+static struct protoent * 	pr_bynumber(struct irs_pr *, int);
+static void 			pr_rewind(struct irs_pr *);
+static void			pr_minimize(struct irs_pr *);
+static struct __res_state *	pr_res_get(struct irs_pr *);
+static void			pr_res_set(struct irs_pr *,
+					   struct __res_state *,
+					   void (*)(void *));
+
+/* Public */
+
+struct irs_pr *
+irs_gen_pr(struct irs_acc *this) {
+	struct gen_p *accpvt = (struct gen_p *)this->private;
+	struct irs_pr *pr;
+	struct pvt *pvt;
+
+	if (!(pr = memget(sizeof *pr))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pr, 0x5e, sizeof *pr);
+	if (!(pvt = memget(sizeof *pvt))) {
+		memput(pr, sizeof *pr);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	pvt->rules = accpvt->map_rules[irs_pr];
+	pvt->rule = pvt->rules;
+	pr->private = pvt;
+	pr->close = pr_close;
+	pr->next = pr_next;
+	pr->byname = pr_byname;
+	pr->bynumber = pr_bynumber;
+	pr->rewind = pr_rewind;
+	pr->minimize = pr_minimize;
+	pr->res_get = pr_res_get;
+	pr->res_set = pr_res_set;
+	return (pr);
+}
+
+/* Methods */
+
+static void
+pr_close(struct irs_pr *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+static struct protoent *
+pr_next(struct irs_pr *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct protoent *rval;
+	struct irs_pr *pr;
+
+	while (pvt->rule) {
+		pr = pvt->rule->inst->pr;
+		rval = (*pr->next)(pr);
+		if (rval)
+			return (rval);
+		if (!(pvt->rules->flags & IRS_CONTINUE))
+			break;
+		pvt->rule = pvt->rule->next;
+		if (pvt->rule) {
+			pr = pvt->rule->inst->pr;
+			(*pr->rewind)(pr);
+		}
+	}
+	return (NULL);
+}
+
+static struct protoent *
+pr_byname(struct irs_pr *this, const char *name) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+	struct protoent *rval;
+	struct irs_pr *pr;
+	
+	rval = NULL;
+	for (rule = pvt->rules; rule; rule = rule->next) {
+		pr = rule->inst->pr;
+		rval = (*pr->byname)(pr, name);
+		if (rval || !(rule->flags & IRS_CONTINUE))
+			break;
+	}
+	return (rval);
+}
+
+static struct protoent *
+pr_bynumber(struct irs_pr *this, int proto) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+	struct protoent *rval;
+	struct irs_pr *pr;
+	
+	rval = NULL;
+	for (rule = pvt->rules; rule; rule = rule->next) {
+		pr = rule->inst->pr;
+		rval = (*pr->bynumber)(pr, proto);
+		if (rval || !(rule->flags & IRS_CONTINUE))
+			break;
+	}
+	return (rval);
+}
+
+static void
+pr_rewind(struct irs_pr *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_pr *pr;
+
+	pvt->rule = pvt->rules;
+	if (pvt->rule) {
+		pr = pvt->rule->inst->pr;
+		(*pr->rewind)(pr);
+	}
+}
+
+static void
+pr_minimize(struct irs_pr *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+
+	for (rule = pvt->rules; rule != NULL; rule = rule->next) {
+		struct irs_pr *pr = rule->inst->pr;
+
+		(*pr->minimize)(pr);
+	}
+}
+
+static struct __res_state *
+pr_res_get(struct irs_pr *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (!pvt->res) {
+		struct __res_state *res;
+		res = (struct __res_state *)malloc(sizeof *res);
+		if (!res) {
+			errno = ENOMEM;
+			return (NULL);
+		}
+		memset(res, 0, sizeof *res);
+		pr_res_set(this, res, free);
+	}
+
+	return (pvt->res);
+}
+
+static void
+pr_res_set(struct irs_pr *this, struct __res_state *res,
+		void (*free_res)(void *)) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+
+	if (pvt->res && pvt->free_res) {
+		res_nclose(pvt->res);
+		(*pvt->free_res)(pvt->res);
+	}
+
+	pvt->res = res;
+	pvt->free_res = free_res;
+
+	for (rule = pvt->rules; rule != NULL; rule = rule->next) {
+		struct irs_pr *pr = rule->inst->pr;
+
+		if (pr->res_set)
+			(*pr->res_set)(pr, pvt->res, NULL);
+	}
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/gen_sv.c b/usr/src/lib/libresolv2_joy/common/irs/gen_sv.c
new file mode 100644
index 0000000000..93b70e57ec
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/gen_sv.c
@@ -0,0 +1,229 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: gen_sv.c,v 1.3 2005/04/27 04:56:24 sra Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <isc/memcluster.h>
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "gen_p.h"
+
+/* Types */
+
+struct pvt {
+	struct irs_rule *	rules;
+	struct irs_rule *	rule;
+	struct __res_state *	res;
+	void			(*free_res)(void *);
+};
+
+/* Forward */
+
+static void			sv_close(struct irs_sv*);
+static struct servent *		sv_next(struct irs_sv *);
+static struct servent *		sv_byname(struct irs_sv *, const char *,
+					  const char *);
+static struct servent *		sv_byport(struct irs_sv *, int, const char *);
+static void			sv_rewind(struct irs_sv *);
+static void			sv_minimize(struct irs_sv *);
+static struct __res_state *	sv_res_get(struct irs_sv *);
+static void			sv_res_set(struct irs_sv *,
+					      struct __res_state *,
+					      void (*)(void *));
+
+/* Public */
+
+struct irs_sv *
+irs_gen_sv(struct irs_acc *this) {
+	struct gen_p *accpvt = (struct gen_p *)this->private;
+	struct irs_sv *sv;
+	struct pvt *pvt;
+
+	if (!(sv = memget(sizeof *sv))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(sv, 0x5e, sizeof *sv);
+	if (!(pvt = memget(sizeof *pvt))) {
+		memput(sv, sizeof *sv);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	pvt->rules = accpvt->map_rules[irs_sv];
+	pvt->rule = pvt->rules;
+	sv->private = pvt;
+	sv->close = sv_close;
+	sv->next = sv_next;
+	sv->byname = sv_byname;
+	sv->byport = sv_byport;
+	sv->rewind = sv_rewind;
+	sv->minimize = sv_minimize;
+	sv->res_get = sv_res_get;
+	sv->res_set = sv_res_set;
+	return (sv);
+}
+
+/* Methods */
+
+static void
+sv_close(struct irs_sv *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+static struct servent *
+sv_next(struct irs_sv *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct servent *rval;
+	struct irs_sv *sv;
+	
+	while (pvt->rule) {
+		sv = pvt->rule->inst->sv;
+		rval = (*sv->next)(sv);
+		if (rval)
+			return (rval);
+		if (!(pvt->rule->flags & IRS_CONTINUE))
+			break;
+		pvt->rule = pvt->rule->next;
+		if (pvt->rule) {
+			sv = pvt->rule->inst->sv;
+			(*sv->rewind)(sv);
+		}
+	}
+	return (NULL);
+}
+
+static struct servent *
+sv_byname(struct irs_sv *this, const char *name, const char *proto) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+	struct servent *rval;
+	struct irs_sv *sv;
+	
+	rval = NULL;
+	for (rule = pvt->rules; rule; rule = rule->next) {
+		sv = rule->inst->sv;
+		rval = (*sv->byname)(sv, name, proto);
+		if (rval || !(rule->flags & IRS_CONTINUE))
+			break;
+	}
+	return (rval);
+}
+
+static struct servent *
+sv_byport(struct irs_sv *this, int port, const char *proto) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+	struct servent *rval;
+	struct irs_sv *sv;
+	
+	rval = NULL;
+	for (rule = pvt->rules; rule; rule = rule->next) {
+		sv = rule->inst->sv;
+		rval = (*sv->byport)(sv, port, proto);
+		if (rval || !(rule->flags & IRS_CONTINUE))
+			break;
+	}
+	return (rval);
+}
+
+static void
+sv_rewind(struct irs_sv *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_sv *sv;
+
+	pvt->rule = pvt->rules;
+	if (pvt->rule) {
+		sv = pvt->rule->inst->sv;
+		(*sv->rewind)(sv);
+	}
+}
+
+static void
+sv_minimize(struct irs_sv *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+
+	for (rule = pvt->rules; rule != NULL; rule = rule->next) {
+		struct irs_sv *sv = rule->inst->sv;
+
+		(*sv->minimize)(sv);
+	}
+}
+
+static struct __res_state *
+sv_res_get(struct irs_sv *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (!pvt->res) {
+		struct __res_state *res;
+		res = (struct __res_state *)malloc(sizeof *res);
+		if (!res) {
+			errno = ENOMEM;
+			return (NULL);
+		}
+		memset(res, 0, sizeof *res);
+		sv_res_set(this, res, free);
+	}
+
+	return (pvt->res);
+}
+
+static void
+sv_res_set(struct irs_sv *this, struct __res_state *res,
+		void (*free_res)(void *)) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct irs_rule *rule;
+
+	if (pvt->res && pvt->free_res) {
+		res_nclose(pvt->res);
+		(*pvt->free_res)(pvt->res);
+	}
+
+	pvt->res = res;
+	pvt->free_res = free_res;
+
+	for (rule = pvt->rules; rule != NULL; rule = rule->next) {
+		struct irs_sv *sv = rule->inst->sv;
+
+		if (sv->res_set)
+			(*sv->res_set)(sv, pvt->res, NULL);
+	}
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/getaddrinfo.c b/usr/src/lib/libresolv2_joy/common/irs/getaddrinfo.c
new file mode 100644
index 0000000000..19bbbea854
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/getaddrinfo.c
@@ -0,0 +1,1253 @@
+/*	$KAME: getaddrinfo.c,v 1.14 2001/01/06 09:41:15 jinmei Exp $	*/
+
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*! \file
+ * Issues to be discussed:
+ *\li  Thread safe-ness must be checked.
+ *\li  Return values.  There are nonstandard return values defined and used
+ *   in the source code.  This is because RFC2553 is silent about which error
+ *   code must be returned for which situation.
+ *\li  IPv4 classful (shortened) form.  RFC2553 is silent about it.  XNET 5.2
+ *   says to use inet_aton() to convert IPv4 numeric to binary (allows
+ *   classful form as a result).
+ *   current code - disallow classful form for IPv4 (due to use of inet_pton).
+ *\li  freeaddrinfo(NULL).  RFC2553 is silent about it.  XNET 5.2 says it is
+ *   invalid.
+ *   current code - SEGV on freeaddrinfo(NULL)
+ * Note:
+ *\li  We use getipnodebyname() just for thread-safeness.  There's no intent
+ *   to let it do PF_UNSPEC (actually we never pass PF_UNSPEC to
+ *   getipnodebyname().
+ *\li  The code filters out AFs that are not supported by the kernel,
+ *   when globbing NULL hostname (to loopback, or wildcard).  Is it the right
+ *   thing to do?  What is the relationship with post-RFC2553 AI_ADDRCONFIG
+ *   in ai_flags?
+ *\li  (post-2553) semantics of AI_ADDRCONFIG itself is too vague.
+ *   (1) what should we do against numeric hostname (2) what should we do
+ *   against NULL hostname (3) what is AI_ADDRCONFIG itself.  AF not ready?
+ *   non-loopback address configured?  global address configured?
+ * \par Additional Issue:
+ *  To avoid search order issue, we have a big amount of code duplicate
+ *   from gethnamaddr.c and some other places.  The issues that there's no
+ *   lower layer function to lookup "IPv4 or IPv6" record.  Calling
+ *   gethostbyname2 from getaddrinfo will end up in wrong search order, as
+ *   follows:
+ *	\li The code makes use of following calls when asked to resolver with
+ *	  ai_family  = PF_UNSPEC:
+ *\code		getipnodebyname(host, AF_INET6);
+ *		getipnodebyname(host, AF_INET);
+ *\endcode
+ *	\li  This will result in the following queries if the node is configure to
+ *	  prefer /etc/hosts than DNS:
+ *\code
+ *		lookup /etc/hosts for IPv6 address
+ *		lookup DNS for IPv6 address
+ *		lookup /etc/hosts for IPv4 address
+ *		lookup DNS for IPv4 address
+ *\endcode
+ *	  which may not meet people's requirement.
+ *	 \li The right thing to happen is to have underlying layer which does
+ *	  PF_UNSPEC lookup (lookup both) and return chain of addrinfos.
+ *	  This would result in a bit of code duplicate with _dns_ghbyname() and
+ *	  friends.
+ */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+
+#include <net/if.h>
+#include <netinet/in.h>
+
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <errno.h>
+
+#include <stdarg.h>
+
+#include <irs.h>
+#include <isc/assertions.h>
+
+#include "port_after.h"
+
+#include "irs_data.h"
+
+#define SUCCESS 0
+#define ANY 0
+#define YES 1
+#define NO  0
+
+static const char in_addrany[] = { 0, 0, 0, 0 };
+static const char in6_addrany[] = {
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+static const char in_loopback[] = { 127, 0, 0, 1 };
+static const char in6_loopback[] = {
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
+};
+
+static const struct afd {
+	int a_af;
+	int a_addrlen;
+	int a_socklen;
+	int a_off;
+	const char *a_addrany;
+	const char *a_loopback;
+	int a_scoped;
+} afdl [] = {
+	{PF_INET6, sizeof(struct in6_addr),
+	 sizeof(struct sockaddr_in6),
+	 offsetof(struct sockaddr_in6, sin6_addr),
+	 in6_addrany, in6_loopback, 1},
+	{PF_INET, sizeof(struct in_addr),
+	 sizeof(struct sockaddr_in),
+	 offsetof(struct sockaddr_in, sin_addr),
+	 in_addrany, in_loopback, 0},
+	{0, 0, 0, 0, NULL, NULL, 0},
+};
+
+struct explore {
+	int e_af;
+	int e_socktype;
+	int e_protocol;
+	const char *e_protostr;
+	int e_wild;
+#define WILD_AF(ex)		((ex)->e_wild & 0x01)
+#define WILD_SOCKTYPE(ex)	((ex)->e_wild & 0x02)
+#define WILD_PROTOCOL(ex)	((ex)->e_wild & 0x04)
+};
+
+static const struct explore explore[] = {
+#if 0
+	{ PF_LOCAL, 0, ANY, ANY, NULL, 0x01 },
+#endif
+	{ PF_INET6, SOCK_DGRAM, IPPROTO_UDP, "udp", 0x07 },
+	{ PF_INET6, SOCK_STREAM, IPPROTO_TCP, "tcp", 0x07 },
+	{ PF_INET6, SOCK_RAW, ANY, NULL, 0x05 },
+	{ PF_INET, SOCK_DGRAM, IPPROTO_UDP, "udp", 0x07 },
+	{ PF_INET, SOCK_STREAM, IPPROTO_TCP, "tcp", 0x07 },
+	{ PF_INET, SOCK_RAW, ANY, NULL, 0x05 },
+	{ -1, 0, 0, NULL, 0 },
+};
+
+#define PTON_MAX	16
+
+static int str_isnumber __P((const char *));
+static int explore_fqdn __P((const struct addrinfo *, const char *,
+	const char *, struct addrinfo **));
+static int explore_copy __P((const struct addrinfo *, const struct addrinfo *,
+	struct addrinfo **));
+static int explore_null __P((const struct addrinfo *,
+	const char *, struct addrinfo **));
+static int explore_numeric __P((const struct addrinfo *, const char *,
+	const char *, struct addrinfo **));
+static int explore_numeric_scope __P((const struct addrinfo *, const char *,
+	const char *, struct addrinfo **));
+static int get_canonname __P((const struct addrinfo *,
+	struct addrinfo *, const char *));
+static struct addrinfo *get_ai __P((const struct addrinfo *,
+	const struct afd *, const char *));
+static struct addrinfo *copy_ai __P((const struct addrinfo *));
+static int get_portmatch __P((const struct addrinfo *, const char *));
+static int get_port __P((const struct addrinfo *, const char *, int));
+static const struct afd *find_afd __P((int));
+static int addrconfig __P((int));
+static int ip6_str2scopeid __P((char *, struct sockaddr_in6 *,
+				u_int32_t *scopeidp));
+static struct net_data *init __P((void));
+
+struct addrinfo *hostent2addrinfo __P((struct hostent *,
+				       const struct addrinfo *));
+struct addrinfo *addr2addrinfo __P((const struct addrinfo *,
+				    const char *));
+
+#if 0
+static const char *ai_errlist[] = {
+	"Success",
+	"Address family for hostname not supported",	/*%< EAI_ADDRFAMILY */
+	"Temporary failure in name resolution",		/*%< EAI_AGAIN */
+	"Invalid value for ai_flags",		       	/*%< EAI_BADFLAGS */
+	"Non-recoverable failure in name resolution", 	/*%< EAI_FAIL */
+	"ai_family not supported",			/*%< EAI_FAMILY */
+	"Memory allocation failure", 			/*%< EAI_MEMORY */
+	"No address associated with hostname", 		/*%< EAI_NODATA */
+	"hostname nor servname provided, or not known",	/*%< EAI_NONAME */
+	"servname not supported for ai_socktype",	/*%< EAI_SERVICE */
+	"ai_socktype not supported", 			/*%< EAI_SOCKTYPE */
+	"System error returned in errno", 		/*%< EAI_SYSTEM */
+	"Invalid value for hints",			/*%< EAI_BADHINTS */
+	"Resolved protocol is unknown",			/*%< EAI_PROTOCOL */
+	"Unknown error", 				/*%< EAI_MAX */
+};
+#endif
+
+/* XXX macros that make external reference is BAD. */
+
+#define GET_AI(ai, afd, addr) \
+do { \
+	/* external reference: pai, error, and label free */ \
+	(ai) = get_ai(pai, (afd), (addr)); \
+	if ((ai) == NULL) { \
+		error = EAI_MEMORY; \
+		goto free; \
+	} \
+} while (/*CONSTCOND*/0)
+
+#define GET_PORT(ai, serv) \
+do { \
+	/* external reference: error and label free */ \
+	error = get_port((ai), (serv), 0); \
+	if (error != 0) \
+		goto free; \
+} while (/*CONSTCOND*/0)
+
+#define GET_CANONNAME(ai, str) \
+do { \
+	/* external reference: pai, error and label free */ \
+	error = get_canonname(pai, (ai), (str)); \
+	if (error != 0) \
+		goto free; \
+} while (/*CONSTCOND*/0)
+
+#ifndef SOLARIS2
+#define SETERROR(err) \
+do { \
+	/* external reference: error, and label bad */ \
+	error = (err); \
+	goto bad; \
+	/*NOTREACHED*/ \
+} while (/*CONSTCOND*/0)
+#else
+#define SETERROR(err) \
+do { \
+	/* external reference: error, and label bad */ \
+	error = (err); \
+	if (error == error) \
+		goto bad; \
+} while (/*CONSTCOND*/0)
+#endif
+
+
+#define MATCH_FAMILY(x, y, w) \
+	((x) == (y) || (/*CONSTCOND*/(w) && ((x) == PF_UNSPEC || (y) == PF_UNSPEC)))
+#define MATCH(x, y, w) \
+	((x) == (y) || (/*CONSTCOND*/(w) && ((x) == ANY || (y) == ANY)))
+
+#if 0				/*%< bind8 has its own version */
+char *
+gai_strerror(ecode)
+	int ecode;
+{
+	if (ecode < 0 || ecode > EAI_MAX)
+		ecode = EAI_MAX;
+	return ai_errlist[ecode];
+}
+#endif
+
+void
+freeaddrinfo(ai)
+	struct addrinfo *ai;
+{
+	struct addrinfo *next;
+
+	do {
+		next = ai->ai_next;
+		if (ai->ai_canonname)
+			free(ai->ai_canonname);
+		/* no need to free(ai->ai_addr) */
+		free(ai);
+		ai = next;
+	} while (ai);
+}
+
+static int
+str_isnumber(p)
+	const char *p;
+{
+	char *ep;
+
+	if (*p == '\0')
+		return NO;
+	ep = NULL;
+	errno = 0;
+	(void)strtoul(p, &ep, 10);
+	if (errno == 0 && ep && *ep == '\0')
+		return YES;
+	else
+		return NO;
+}
+
+int
+getaddrinfo(hostname, servname, hints, res)
+	const char *hostname, *servname;
+	const struct addrinfo *hints;
+	struct addrinfo **res;
+{
+	struct addrinfo sentinel;
+	struct addrinfo *cur;
+	int error = 0;
+	struct addrinfo ai, ai0, *afai = NULL;
+	struct addrinfo *pai;
+	const struct explore *ex;
+
+	memset(&sentinel, 0, sizeof(sentinel));
+	cur = &sentinel;
+	pai = &ai;
+	pai->ai_flags = 0;
+	pai->ai_family = PF_UNSPEC;
+	pai->ai_socktype = ANY;
+	pai->ai_protocol = ANY;
+#if defined(sun) && defined(_SOCKLEN_T) && defined(__sparcv9)
+	/*
+	 * clear _ai_pad to preserve binary
+	 * compatibility with previously compiled 64-bit
+	 * applications in a pre-SUSv3 environment by
+	 * guaranteeing the upper 32-bits are empty.
+	 */
+	pai->_ai_pad = 0;
+#endif
+	pai->ai_addrlen = 0;
+	pai->ai_canonname = NULL;
+	pai->ai_addr = NULL;
+	pai->ai_next = NULL;
+
+	if (hostname == NULL && servname == NULL)
+		return EAI_NONAME;
+	if (hints) {
+		/* error check for hints */
+		if (hints->ai_addrlen || hints->ai_canonname ||
+		    hints->ai_addr || hints->ai_next)
+			SETERROR(EAI_BADHINTS); /*%< xxx */
+		if (hints->ai_flags & ~AI_MASK)
+			SETERROR(EAI_BADFLAGS);
+		switch (hints->ai_family) {
+		case PF_UNSPEC:
+		case PF_INET:
+		case PF_INET6:
+			break;
+		default:
+			SETERROR(EAI_FAMILY);
+		}
+		memcpy(pai, hints, sizeof(*pai));
+
+#if defined(sun) && defined(_SOCKLEN_T) && defined(__sparcv9)
+		/*
+		 * We need to clear _ai_pad to preserve binary
+		 * compatibility.  See prior comment.
+		 */
+		pai->_ai_pad = 0;
+#endif
+		/*
+		 * if both socktype/protocol are specified, check if they
+		 * are meaningful combination.
+		 */
+		if (pai->ai_socktype != ANY && pai->ai_protocol != ANY) {
+			for (ex = explore; ex->e_af >= 0; ex++) {
+				if (pai->ai_family != ex->e_af)
+					continue;
+				if (ex->e_socktype == ANY)
+					continue;
+				if (ex->e_protocol == ANY)
+					continue;
+				if (pai->ai_socktype == ex->e_socktype &&
+				    pai->ai_protocol != ex->e_protocol) {
+					SETERROR(EAI_BADHINTS);
+				}
+			}
+		}
+	}
+
+	/*
+	 * post-2553: AI_ALL and AI_V4MAPPED are effective only against
+	 * AF_INET6 query.  They needs to be ignored if specified in other
+	 * occassions.
+	 */
+	switch (pai->ai_flags & (AI_ALL | AI_V4MAPPED)) {
+	case AI_V4MAPPED:
+	case AI_ALL | AI_V4MAPPED:
+		if (pai->ai_family != AF_INET6)
+			pai->ai_flags &= ~(AI_ALL | AI_V4MAPPED);
+		break;
+	case AI_ALL:
+#if 1
+		/* illegal */
+		SETERROR(EAI_BADFLAGS);
+#else
+		pai->ai_flags &= ~(AI_ALL | AI_V4MAPPED);
+		break;
+#endif
+	}
+
+	/*
+	 * check for special cases.  (1) numeric servname is disallowed if
+	 * socktype/protocol are left unspecified. (2) servname is disallowed
+	 * for raw and other inet{,6} sockets.
+	 */
+	if (MATCH_FAMILY(pai->ai_family, PF_INET, 1)
+#ifdef PF_INET6
+	 || MATCH_FAMILY(pai->ai_family, PF_INET6, 1)
+#endif
+	    ) {
+		ai0 = *pai;	/* backup *pai */
+
+		if (pai->ai_family == PF_UNSPEC) {
+#ifdef PF_INET6
+			pai->ai_family = PF_INET6;
+#else
+			pai->ai_family = PF_INET;
+#endif
+		}
+		error = get_portmatch(pai, servname);
+		if (error)
+			SETERROR(error);
+
+		*pai = ai0;
+	}
+
+	ai0 = *pai;
+
+	/* NULL hostname, or numeric hostname */
+	for (ex = explore; ex->e_af >= 0; ex++) {
+		*pai = ai0;
+
+		if (!MATCH_FAMILY(pai->ai_family, ex->e_af, WILD_AF(ex)))
+			continue;
+		if (!MATCH(pai->ai_socktype, ex->e_socktype, WILD_SOCKTYPE(ex)))
+			continue;
+		if (!MATCH(pai->ai_protocol, ex->e_protocol, WILD_PROTOCOL(ex)))
+			continue;
+
+		if (pai->ai_family == PF_UNSPEC)
+			pai->ai_family = ex->e_af;
+		if (pai->ai_socktype == ANY && ex->e_socktype != ANY)
+			pai->ai_socktype = ex->e_socktype;
+		if (pai->ai_protocol == ANY && ex->e_protocol != ANY)
+			pai->ai_protocol = ex->e_protocol;
+
+		/*
+		 * if the servname does not match socktype/protocol, ignore it.
+		 */
+		if (get_portmatch(pai, servname) != 0)
+			continue;
+
+		if (hostname == NULL) {
+			/*
+			 * filter out AFs that are not supported by the kernel
+			 * XXX errno?
+			 */
+			if (!addrconfig(pai->ai_family))
+				continue;
+			error = explore_null(pai, servname, &cur->ai_next);
+		} else
+			error = explore_numeric_scope(pai, hostname, servname,
+			    &cur->ai_next);
+
+		if (error)
+			goto free;
+
+		while (cur && cur->ai_next)
+			cur = cur->ai_next;
+	}
+
+	/*
+	 * XXX
+	 * If numreic representation of AF1 can be interpreted as FQDN
+	 * representation of AF2, we need to think again about the code below.
+	 */
+	if (sentinel.ai_next)
+		goto good;
+
+	if (pai->ai_flags & AI_NUMERICHOST)
+		SETERROR(EAI_NONAME);
+	if (hostname == NULL)
+		SETERROR(EAI_NONAME);
+
+	/*
+	 * hostname as alphabetical name.
+	 * We'll make sure that
+	 * - if returning addrinfo list is empty, return non-zero error
+	 *   value (already known one or EAI_NONAME).
+	 * - otherwise, 
+	 *   + if we haven't had any errors, return 0 (i.e. success).
+	 *   + if we've had an error, free the list and return the error.
+	 * without any assumption on the behavior of explore_fqdn().
+	 */
+
+	/* first, try to query DNS for all possible address families. */
+	*pai = ai0;
+	error = explore_fqdn(pai, hostname, servname, &afai);
+	if (error) {
+		if (afai != NULL)
+			freeaddrinfo(afai);
+		goto free;
+	}
+	if (afai == NULL) {
+		error = EAI_NONAME; /*%< we've had no errors. */
+		goto free;
+	}
+
+	/*
+	 * we would like to prefer AF_INET6 than AF_INET, so we'll make an
+	 * outer loop by AFs.
+	 */
+	for (ex = explore; ex->e_af >= 0; ex++) {
+		*pai = ai0;
+
+		if (pai->ai_family == PF_UNSPEC)
+			pai->ai_family = ex->e_af;
+
+		if (!MATCH_FAMILY(pai->ai_family, ex->e_af, WILD_AF(ex)))
+			continue;
+		if (!MATCH(pai->ai_socktype, ex->e_socktype,
+			   WILD_SOCKTYPE(ex))) {
+			continue;
+		}
+		if (!MATCH(pai->ai_protocol, ex->e_protocol,
+			   WILD_PROTOCOL(ex))) {
+			continue;
+		}
+
+#ifdef AI_ADDRCONFIG
+		/*
+		 * If AI_ADDRCONFIG is specified, check if we are
+		 * expected to return the address family or not.
+		 */
+		if ((pai->ai_flags & AI_ADDRCONFIG) != 0 &&
+		    !addrconfig(pai->ai_family))
+			continue;
+#endif
+
+		if (pai->ai_family == PF_UNSPEC)
+			pai->ai_family = ex->e_af;
+		if (pai->ai_socktype == ANY && ex->e_socktype != ANY)
+			pai->ai_socktype = ex->e_socktype;
+		if (pai->ai_protocol == ANY && ex->e_protocol != ANY)
+			pai->ai_protocol = ex->e_protocol;
+
+		/*
+		 * if the servname does not match socktype/protocol, ignore it.
+		 */
+		if (get_portmatch(pai, servname) != 0)
+			continue;
+
+		if ((error = explore_copy(pai, afai, &cur->ai_next)) != 0) {
+			freeaddrinfo(afai);
+			goto free;
+		}
+
+		while (cur && cur->ai_next)
+			cur = cur->ai_next;
+	}
+
+	freeaddrinfo(afai);	/*%< afai must not be NULL at this point. */
+
+	if (sentinel.ai_next) {
+good:
+		*res = sentinel.ai_next;
+		return(SUCCESS);
+	} else {
+		/*
+		 * All the process succeeded, but we've had an empty list. 
+		 * This can happen if the given hints do not match our
+		 * candidates.
+		 */
+		error = EAI_NONAME;
+	}
+
+free:
+bad:
+	if (sentinel.ai_next)
+		freeaddrinfo(sentinel.ai_next);
+	*res = NULL;
+	return(error);
+}
+
+/*%
+ * FQDN hostname, DNS lookup
+ */
+static int
+explore_fqdn(pai, hostname, servname, res)
+	const struct addrinfo *pai;
+	const char *hostname;
+	const char *servname;
+	struct addrinfo **res;
+{
+	struct addrinfo *result;
+	struct addrinfo *cur;
+	struct net_data *net_data = init();
+	struct irs_ho *ho;
+	int error = 0;
+	char tmp[NS_MAXDNAME];
+	const char *cp;
+
+	INSIST(res != NULL && *res == NULL);
+
+	/*
+	 * if the servname does not match socktype/protocol, ignore it.
+	 */
+	if (get_portmatch(pai, servname) != 0)
+		return(0);
+
+	if (!net_data || !(ho = net_data->ho))
+		return(0);
+#if 0				/*%< XXX (notyet) */
+	if (net_data->ho_stayopen && net_data->ho_last &&
+	    net_data->ho_last->h_addrtype == af) {
+		if (ns_samename(name, net_data->ho_last->h_name) == 1)
+			return (net_data->ho_last);
+		for (hap = net_data->ho_last->h_aliases; hap && *hap; hap++)
+			if (ns_samename(name, *hap) == 1)
+				return (net_data->ho_last);
+	}
+#endif
+	if (!strchr(hostname, '.') &&
+	    (cp = res_hostalias(net_data->res, hostname,
+				tmp, sizeof(tmp))))
+		hostname = cp;
+	result = (*ho->addrinfo)(ho, hostname, pai);
+	if (!net_data->ho_stayopen) {
+		(*ho->minimize)(ho);
+	}
+	if (result == NULL) {
+		int e = h_errno;
+
+		switch(e) {
+		case NETDB_INTERNAL:
+			error = EAI_SYSTEM;
+			break;
+		case TRY_AGAIN:
+			error = EAI_AGAIN;
+			break;
+		case NO_RECOVERY:
+			error = EAI_FAIL;
+			break;
+		case HOST_NOT_FOUND:
+		case NO_DATA:
+			error = EAI_NONAME;
+			break;
+		default:
+		case NETDB_SUCCESS: /*%< should be impossible... */
+			error = EAI_NONAME;
+			break;
+		}
+		goto free;
+	}
+
+	for (cur = result; cur; cur = cur->ai_next) {
+		GET_PORT(cur, servname); /*%< XXX: redundant lookups... */
+		/* canonname should already be filled. */
+	}
+
+	*res = result;
+
+	return(0);
+
+free:
+	if (result)
+		freeaddrinfo(result);
+	return error;
+}
+
+static int
+explore_copy(pai, src0, res)
+	const struct addrinfo *pai;	/*%< seed */
+	const struct addrinfo *src0;	/*%< source */
+	struct addrinfo **res;
+{
+	int error;
+	struct addrinfo sentinel, *cur;
+	const struct addrinfo *src;
+
+	error = 0;
+	sentinel.ai_next = NULL;
+	cur = &sentinel;
+
+	for (src = src0; src != NULL; src = src->ai_next) {
+		if (src->ai_family != pai->ai_family)
+			continue;
+
+		cur->ai_next = copy_ai(src);
+		if (!cur->ai_next) {
+			error = EAI_MEMORY;
+			goto fail;
+		}
+
+		cur->ai_next->ai_socktype = pai->ai_socktype;
+		cur->ai_next->ai_protocol = pai->ai_protocol;
+		cur = cur->ai_next;
+	}
+
+	*res = sentinel.ai_next;
+	return 0;
+
+fail:
+	freeaddrinfo(sentinel.ai_next);
+	return error;
+}
+
+/*%
+ * hostname == NULL.
+ * passive socket -> anyaddr (0.0.0.0 or ::)
+ * non-passive socket -> localhost (127.0.0.1 or ::1)
+ */
+static int
+explore_null(pai, servname, res)
+	const struct addrinfo *pai;
+	const char *servname;
+	struct addrinfo **res;
+{
+	const struct afd *afd;
+	struct addrinfo *cur;
+	struct addrinfo sentinel;
+	int error;
+
+	*res = NULL;
+	sentinel.ai_next = NULL;
+	cur = &sentinel;
+
+	afd = find_afd(pai->ai_family);
+	if (afd == NULL)
+		return 0;
+
+	if (pai->ai_flags & AI_PASSIVE) {
+		GET_AI(cur->ai_next, afd, afd->a_addrany);
+		/* xxx meaningless?
+		 * GET_CANONNAME(cur->ai_next, "anyaddr");
+		 */
+		GET_PORT(cur->ai_next, servname);
+	} else {
+		GET_AI(cur->ai_next, afd, afd->a_loopback);
+		/* xxx meaningless?
+		 * GET_CANONNAME(cur->ai_next, "localhost");
+		 */
+		GET_PORT(cur->ai_next, servname);
+	}
+	cur = cur->ai_next;
+
+	*res = sentinel.ai_next;
+	return 0;
+
+free:
+	if (sentinel.ai_next)
+		freeaddrinfo(sentinel.ai_next);
+	return error;
+}
+
+/*%
+ * numeric hostname
+ */
+static int
+explore_numeric(pai, hostname, servname, res)
+	const struct addrinfo *pai;
+	const char *hostname;
+	const char *servname;
+	struct addrinfo **res;
+{
+	const struct afd *afd;
+	struct addrinfo *cur;
+	struct addrinfo sentinel;
+	int error;
+	char pton[PTON_MAX];
+
+	*res = NULL;
+	sentinel.ai_next = NULL;
+	cur = &sentinel;
+
+	afd = find_afd(pai->ai_family);
+	if (afd == NULL)
+		return 0;
+
+	switch (afd->a_af) {
+#if 0 /*X/Open spec*/
+	case AF_INET:
+		if (inet_aton(hostname, (struct in_addr *)pton) == 1) {
+			if (pai->ai_family == afd->a_af ||
+			    pai->ai_family == PF_UNSPEC /*?*/) {
+				GET_AI(cur->ai_next, afd, pton);
+				GET_PORT(cur->ai_next, servname);
+				while (cur->ai_next)
+					cur = cur->ai_next;
+			} else
+				SETERROR(EAI_FAMILY);	/*xxx*/
+		}
+		break;
+#endif
+	default:
+		if (inet_pton(afd->a_af, hostname, pton) == 1) {
+			if (pai->ai_family == afd->a_af ||
+			    pai->ai_family == PF_UNSPEC /*?*/) {
+				GET_AI(cur->ai_next, afd, pton);
+				GET_PORT(cur->ai_next, servname);
+				while (cur->ai_next)
+					cur = cur->ai_next;
+			} else
+				SETERROR(EAI_FAMILY);	/*xxx*/
+		}
+		break;
+	}
+
+	*res = sentinel.ai_next;
+	return 0;
+
+free:
+bad:
+	if (sentinel.ai_next)
+		freeaddrinfo(sentinel.ai_next);
+	return error;
+}
+
+/*%
+ * numeric hostname with scope
+ */
+static int
+explore_numeric_scope(pai, hostname, servname, res)
+	const struct addrinfo *pai;
+	const char *hostname;
+	const char *servname;
+	struct addrinfo **res;
+{
+#ifndef SCOPE_DELIMITER
+	return explore_numeric(pai, hostname, servname, res);
+#else
+	const struct afd *afd;
+	struct addrinfo *cur;
+	int error;
+	char *cp, *hostname2 = NULL, *scope, *addr;
+	struct sockaddr_in6 *sin6;
+
+	afd = find_afd(pai->ai_family);
+	if (afd == NULL)
+		return 0;
+
+	if (!afd->a_scoped)
+		return explore_numeric(pai, hostname, servname, res);
+
+	cp = strchr(hostname, SCOPE_DELIMITER);
+	if (cp == NULL)
+		return explore_numeric(pai, hostname, servname, res);
+
+	/*
+	 * Handle special case of <scoped_address><delimiter><scope id>
+	 */
+	hostname2 = strdup(hostname);
+	if (hostname2 == NULL)
+		return EAI_MEMORY;
+	/* terminate at the delimiter */
+	hostname2[cp - hostname] = '\0';
+	addr = hostname2;
+	scope = cp + 1;
+
+	error = explore_numeric(pai, addr, servname, res);
+	if (error == 0) {
+		u_int32_t scopeid = 0;
+
+		for (cur = *res; cur; cur = cur->ai_next) {
+			if (cur->ai_family != AF_INET6)
+				continue;
+			sin6 = (struct sockaddr_in6 *)(void *)cur->ai_addr;
+			if (!ip6_str2scopeid(scope, sin6, &scopeid)) {
+				free(hostname2);
+				return(EAI_NONAME); /*%< XXX: is return OK? */
+			}
+#ifdef HAVE_SIN6_SCOPE_ID
+			sin6->sin6_scope_id = scopeid;
+#endif
+		}
+	}
+
+	free(hostname2);
+
+	return error;
+#endif
+}
+
+static int
+get_canonname(pai, ai, str)
+	const struct addrinfo *pai;
+	struct addrinfo *ai;
+	const char *str;
+{
+	if ((pai->ai_flags & AI_CANONNAME) != 0) {
+		ai->ai_canonname = (char *)malloc(strlen(str) + 1);
+		if (ai->ai_canonname == NULL)
+			return EAI_MEMORY;
+		strcpy(ai->ai_canonname, str);
+	}
+	return 0;
+}
+
+static struct addrinfo *
+get_ai(pai, afd, addr)
+	const struct addrinfo *pai;
+	const struct afd *afd;
+	const char *addr;
+{
+	char *p;
+	struct addrinfo *ai;
+
+	ai = (struct addrinfo *)malloc(sizeof(struct addrinfo)
+		+ (afd->a_socklen));
+	if (ai == NULL)
+		return NULL;
+
+	memcpy(ai, pai, sizeof(struct addrinfo));
+	ai->ai_addr = (struct sockaddr *)(void *)(ai + 1);
+	memset(ai->ai_addr, 0, (size_t)afd->a_socklen);
+#ifdef HAVE_SA_LEN
+	ai->ai_addr->sa_len = afd->a_socklen;
+#endif
+	ai->ai_addrlen = afd->a_socklen;
+	ai->ai_addr->sa_family = ai->ai_family = afd->a_af;
+	p = (char *)(void *)(ai->ai_addr);
+	memcpy(p + afd->a_off, addr, (size_t)afd->a_addrlen);
+	return ai;
+}
+
+/* XXX need to malloc() the same way we do from other functions! */
+static struct addrinfo *
+copy_ai(pai)
+	const struct addrinfo *pai;
+{
+	struct addrinfo *ai;
+	size_t l;
+
+	l = sizeof(*ai) + pai->ai_addrlen;
+	if ((ai = (struct addrinfo *)malloc(l)) == NULL)
+		return NULL;
+	memset(ai, 0, l);
+	memcpy(ai, pai, sizeof(*ai));
+	ai->ai_addr = (struct sockaddr *)(void *)(ai + 1);
+	memcpy(ai->ai_addr, pai->ai_addr, pai->ai_addrlen);
+
+	if (pai->ai_canonname) {
+		l = strlen(pai->ai_canonname) + 1;
+		if ((ai->ai_canonname = malloc(l)) == NULL) {
+			free(ai);
+			return NULL;
+		}
+		strcpy(ai->ai_canonname, pai->ai_canonname);	/* (checked) */
+	} else {
+		/* just to make sure */
+		ai->ai_canonname = NULL;
+	}
+
+	ai->ai_next = NULL;
+
+	return ai;
+}
+
+static int
+get_portmatch(const struct addrinfo *ai, const char *servname) {
+
+	/* get_port does not touch first argument. when matchonly == 1. */
+	/* LINTED const cast */
+	return get_port((const struct addrinfo *)ai, servname, 1);
+}
+
+static int
+get_port(const struct addrinfo *ai, const char *servname, int matchonly) {
+	const char *proto;
+	struct servent *sp;
+	int port;
+	int allownumeric;
+
+	if (servname == NULL)
+		return 0;
+	switch (ai->ai_family) {
+	case AF_INET:
+#ifdef AF_INET6
+	case AF_INET6:
+#endif
+		break;
+	default:
+		return 0;
+	}
+
+	switch (ai->ai_socktype) {
+	case SOCK_RAW:
+		return EAI_SERVICE;
+	case SOCK_DGRAM:
+	case SOCK_STREAM:
+		allownumeric = 1;
+		break;
+	case ANY:
+		switch (ai->ai_family) {
+		case AF_INET:
+#ifdef AF_INET6
+		case AF_INET6:
+#endif
+			allownumeric = 1;
+			break;
+		default:
+			allownumeric = 0;
+			break;
+		}
+		break;
+	default:
+		return EAI_SOCKTYPE;
+	}
+
+	if (str_isnumber(servname)) {
+		if (!allownumeric)
+			return EAI_SERVICE;
+		port = atoi(servname);
+		if (port < 0 || port > 65535)
+			return EAI_SERVICE;
+		port = htons(port);
+	} else {
+		switch (ai->ai_socktype) {
+		case SOCK_DGRAM:
+			proto = "udp";
+			break;
+		case SOCK_STREAM:
+			proto = "tcp";
+			break;
+		default:
+			proto = NULL;
+			break;
+		}
+
+		if ((sp = getservbyname(servname, proto)) == NULL)
+			return EAI_SERVICE;
+		port = sp->s_port;
+	}
+
+	if (!matchonly) {
+		switch (ai->ai_family) {
+		case AF_INET:
+			((struct sockaddr_in *)(void *)
+			    ai->ai_addr)->sin_port = port;
+			break;
+		case AF_INET6:
+			((struct sockaddr_in6 *)(void *)
+			    ai->ai_addr)->sin6_port = port;
+			break;
+		}
+	}
+
+	return 0;
+}
+
+static const struct afd *
+find_afd(af)
+	int af;
+{
+	const struct afd *afd;
+
+	if (af == PF_UNSPEC)
+		return NULL;
+	for (afd = afdl; afd->a_af; afd++) {
+		if (afd->a_af == af)
+			return afd;
+	}
+	return NULL;
+}
+
+/*%
+ * post-2553: AI_ADDRCONFIG check.  if we use getipnodeby* as backend, backend
+ * will take care of it.
+ * the semantics of AI_ADDRCONFIG is not defined well.  we are not sure
+ * if the code is right or not.
+ */
+static int
+addrconfig(af)
+	int af;
+{
+	int s;
+
+	/* XXX errno */
+	s = socket(af, SOCK_DGRAM, 0);
+	if (s < 0) {
+		if (errno != EMFILE)
+			return 0;
+	} else
+		close(s);
+	return 1;
+}
+
+/* convert a string to a scope identifier. XXX: IPv6 specific */
+static int
+ip6_str2scopeid(char *scope, struct sockaddr_in6 *sin6,
+		u_int32_t *scopeidp)
+{
+	u_int32_t scopeid;
+	u_long lscopeid;
+	struct in6_addr *a6 = &sin6->sin6_addr;
+	char *ep;
+	
+	/* empty scopeid portion is invalid */
+	if (*scope == '\0')
+		return (0);
+
+#ifdef USE_IFNAMELINKID
+	if (IN6_IS_ADDR_LINKLOCAL(a6) || IN6_IS_ADDR_MC_LINKLOCAL(a6) ||
+	    IN6_IS_ADDR_MC_NODELOCAL(a6)) {
+		/*
+		 * Using interface names as link indices can be allowed
+		 * only when we can assume a one-to-one mappings between
+		 * links and interfaces.  See comments in getnameinfo.c.
+		 */
+		scopeid = if_nametoindex(scope);
+		if (scopeid == 0)
+			goto trynumeric;
+		*scopeidp = scopeid;
+		return (1);
+	}
+#endif
+
+	/* still unclear about literal, allow numeric only - placeholder */
+	if (IN6_IS_ADDR_SITELOCAL(a6) || IN6_IS_ADDR_MC_SITELOCAL(a6))
+		goto trynumeric;
+	if (IN6_IS_ADDR_MC_ORGLOCAL(a6))
+		goto trynumeric;
+	else
+		goto trynumeric;	/*%< global */
+	/* try to convert to a numeric id as a last resort */
+trynumeric:
+	errno = 0;
+	lscopeid = strtoul(scope, &ep, 10);
+	scopeid = lscopeid & 0xffffffff;
+	if (errno == 0 && ep && *ep == '\0' && scopeid == lscopeid) {
+		*scopeidp = scopeid;
+		return (1);
+	} else
+		return (0);
+}
+
+struct addrinfo *
+hostent2addrinfo(hp, pai)
+	struct hostent *hp;
+	const struct addrinfo *pai;
+{
+	int i, af, error = 0;
+	char **aplist = NULL, *ap;
+	struct addrinfo sentinel, *cur;
+	const struct afd *afd;
+
+	af = hp->h_addrtype;
+	if (pai->ai_family != AF_UNSPEC && af != pai->ai_family)
+		return(NULL);
+
+	afd = find_afd(af);
+	if (afd == NULL)
+		return(NULL);
+
+	aplist = hp->h_addr_list;
+
+	memset(&sentinel, 0, sizeof(sentinel));
+	cur = &sentinel;
+
+	for (i = 0; (ap = aplist[i]) != NULL; i++) {
+#if 0				/*%< the trick seems too much */
+		af = hp->h_addr_list;
+		if (af == AF_INET6 &&
+		    IN6_IS_ADDR_V4MAPPED((struct in6_addr *)ap)) {
+			af = AF_INET;
+			ap = ap + sizeof(struct in6_addr)
+				- sizeof(struct in_addr);
+		}
+		afd = find_afd(af);
+		if (afd == NULL)
+			continue;
+#endif /* 0 */
+
+		GET_AI(cur->ai_next, afd, ap);
+
+		/* GET_PORT(cur->ai_next, servname); */
+		if ((pai->ai_flags & AI_CANONNAME) != 0) {
+			/*
+			 * RFC2553 says that ai_canonname will be set only for
+			 * the first element.  we do it for all the elements,
+			 * just for convenience.
+			 */
+			GET_CANONNAME(cur->ai_next, hp->h_name);
+		}
+		while (cur->ai_next) /*%< no need to loop, actually. */
+			cur = cur->ai_next;
+		continue;
+
+	free:
+		if (cur->ai_next)
+			freeaddrinfo(cur->ai_next);
+		cur->ai_next = NULL;
+		/* continue, without tht pointer CUR advanced. */
+	}
+
+	return(sentinel.ai_next);
+}
+
+struct addrinfo *
+addr2addrinfo(pai, cp)
+	const struct addrinfo *pai;
+	const char *cp;
+{
+	const struct afd *afd;
+
+	afd = find_afd(pai->ai_family);
+	if (afd == NULL)
+		return(NULL);
+
+	return(get_ai(pai, afd, cp));
+}
+
+static struct net_data *
+init()
+{
+	struct net_data *net_data;
+
+	if (!(net_data = net_data_init(NULL)))
+		goto error;
+	if (!net_data->ho) {
+		net_data->ho = (*net_data->irs->ho_map)(net_data->irs);
+		if (!net_data->ho || !net_data->res) {
+error:
+			errno = EIO;
+			if (net_data && net_data->res)
+				RES_SET_H_ERRNO(net_data->res, NETDB_INTERNAL);
+			return (NULL);
+		}
+
+		(*net_data->ho->res_set)(net_data->ho, net_data->res, NULL);
+	}
+
+	return (net_data);
+}
diff --git a/usr/src/lib/libresolv2_joy/common/irs/gethostent.c b/usr/src/lib/libresolv2_joy/common/irs/gethostent.c
new file mode 100644
index 0000000000..c4751c2c80
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/gethostent.c
@@ -0,0 +1,1096 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: gethostent.c,v 1.8 2006/01/10 05:06:00 marka Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#if !defined(__BIND_NOSTATIC)
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <netinet/in.h>
+#include <net/if.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <irs.h>
+#include <isc/memcluster.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "irs_data.h"
+
+/* Definitions */
+
+struct pvt {
+	char *		aliases[1];
+	char *		addrs[2];
+	char		addr[NS_IN6ADDRSZ];
+	char		name[NS_MAXDNAME + 1];
+	struct hostent	host;
+};
+
+/* Forward */
+
+static struct net_data *init(void);
+static void		freepvt(struct net_data *);
+static struct hostent  *fakeaddr(const char *, int, struct net_data *);
+
+#ifdef	SUNW_OVERRIDE_RETRY
+extern int	__res_retry(int);
+extern int	__res_retry_reset(void);
+#endif	/* SUNW_OVERRIDE_RETRY */
+
+
+/* Public */
+
+struct hostent *
+gethostbyname(const char *name) {
+	struct net_data *net_data = init();
+
+	return (gethostbyname_p(name, net_data));
+}
+
+struct hostent *
+gethostbyname2(const char *name, int af) {
+	struct net_data *net_data = init();
+
+	return (gethostbyname2_p(name, af, net_data));
+}
+
+struct hostent *
+gethostbyaddr(const char *addr, int len, int af) {
+	struct net_data *net_data = init();
+
+	return (gethostbyaddr_p(addr, len, af, net_data));
+}
+
+struct hostent *
+gethostent() {
+	struct net_data *net_data = init();
+
+	return (gethostent_p(net_data));
+}
+
+void
+sethostent(int stayopen) {
+	struct net_data *net_data = init();
+	sethostent_p(stayopen, net_data);
+}
+
+
+void
+endhostent() {
+	struct net_data *net_data = init();
+	endhostent_p(net_data);
+}
+
+/* Shared private. */
+
+struct hostent *
+gethostbyname_p(const char *name, struct net_data *net_data) {
+	struct hostent *hp;
+
+	if (!net_data)
+		return (NULL);
+
+	if (net_data->res->options & RES_USE_INET6) {
+		hp = gethostbyname2_p(name, AF_INET6, net_data);
+		if (hp)
+			return (hp);
+	}
+	return (gethostbyname2_p(name, AF_INET, net_data));
+}
+
+struct hostent *
+gethostbyname2_p(const char *name, int af, struct net_data *net_data) {
+	struct irs_ho *ho;
+	char tmp[NS_MAXDNAME];
+	struct hostent *hp;
+	const char *cp;
+	char **hap;
+
+	if (!net_data || !(ho = net_data->ho))
+		return (NULL);
+	if (net_data->ho_stayopen && net_data->ho_last &&
+	    net_data->ho_last->h_addrtype == af) {
+		if (ns_samename(name, net_data->ho_last->h_name) == 1)
+			return (net_data->ho_last);
+		for (hap = net_data->ho_last->h_aliases; hap && *hap; hap++)
+			if (ns_samename(name, *hap) == 1)
+				return (net_data->ho_last);
+	}
+	if (!strchr(name, '.') && (cp = res_hostalias(net_data->res, name,
+						      tmp, sizeof tmp)))
+		name = cp;
+	if ((hp = fakeaddr(name, af, net_data)) != NULL)
+		return (hp);
+#ifdef	SUNW_OVERRIDE_RETRY
+	net_data->res->retry = __res_retry(net_data->res->retry);
+#endif	/* SUNW_OVERRIDE_RETRY */
+	net_data->ho_last = (*ho->byname2)(ho, name, af);
+#ifdef	SUNW_OVERRIDE_RETRY
+	net_data->res->retry = __res_retry_reset();
+#endif	/* SUNW_OVERRIDE_RETRY */
+	if (!net_data->ho_stayopen)
+		endhostent();
+	return (net_data->ho_last);
+}
+
+struct hostent *
+gethostbyaddr_p(const char *addr, int len, int af, struct net_data *net_data) {
+	struct irs_ho *ho;
+	char **hap;
+
+	if (!net_data || !(ho = net_data->ho))
+		return (NULL);
+	if (net_data->ho_stayopen && net_data->ho_last &&
+	    net_data->ho_last->h_length == len)
+		for (hap = net_data->ho_last->h_addr_list;
+		     hap && *hap;
+		     hap++)
+			if (!memcmp(addr, *hap, len))
+				return (net_data->ho_last);
+	net_data->ho_last = (*ho->byaddr)(ho, addr, len, af);
+	if (!net_data->ho_stayopen)
+		endhostent();
+	return (net_data->ho_last);
+}
+
+
+struct hostent *
+gethostent_p(struct net_data *net_data) {
+	struct irs_ho *ho;
+	struct hostent *hp;
+
+	if (!net_data || !(ho = net_data->ho))
+		return (NULL);
+	while ((hp = (*ho->next)(ho)) != NULL &&
+	       hp->h_addrtype == AF_INET6 &&
+	       (net_data->res->options & RES_USE_INET6) == 0U)
+		continue;
+	net_data->ho_last = hp;
+	return (net_data->ho_last);
+}
+
+
+void
+sethostent_p(int stayopen, struct net_data *net_data) {
+	struct irs_ho *ho;
+
+	if (!net_data || !(ho = net_data->ho))
+		return;
+	freepvt(net_data);
+	(*ho->rewind)(ho);
+	net_data->ho_stayopen = (stayopen != 0);
+	if (stayopen == 0)
+		net_data_minimize(net_data);
+}
+
+void
+endhostent_p(struct net_data *net_data) {
+	struct irs_ho *ho;
+
+	if ((net_data != NULL) && ((ho = net_data->ho) != NULL))
+		(*ho->minimize)(ho);
+}
+
+#ifndef IN6_IS_ADDR_V4COMPAT
+static const unsigned char in6addr_compat[12] = {
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+#define IN6_IS_ADDR_V4COMPAT(x) (!memcmp((x)->s6_addr, in6addr_compat, 12) && \
+				 ((x)->s6_addr[12] != 0 || \
+				  (x)->s6_addr[13] != 0 || \
+				  (x)->s6_addr[14] != 0 || \
+				   ((x)->s6_addr[15] != 0 && \
+				    (x)->s6_addr[15] != 1)))
+#endif
+#ifndef IN6_IS_ADDR_V4MAPPED
+#define IN6_IS_ADDR_V4MAPPED(x) (!memcmp((x)->s6_addr, in6addr_mapped, 12))
+#endif
+
+static const unsigned char in6addr_mapped[12] = {
+	0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0xff, 0xff };
+
+static int scan_interfaces(int *, int *);
+static struct hostent *copyandmerge(struct hostent *, struct hostent *, int, int *);
+
+/*%
+ *	Public functions
+ */
+
+/*%
+ *	AI_V4MAPPED + AF_INET6
+ *	If no IPv6 address then a query for IPv4 and map returned values.
+ *
+ *	AI_ALL + AI_V4MAPPED + AF_INET6
+ *	Return IPv6 and IPv4 mapped.
+ *
+ *	AI_ADDRCONFIG
+ *	Only return IPv6 / IPv4 address if there is an interface of that
+ *	type active.
+ */
+
+struct hostent *
+getipnodebyname(const char *name, int af, int flags, int *error_num) {
+	int have_v4 = 1, have_v6 = 1;
+	struct in_addr in4;
+	struct in6_addr in6;
+	struct hostent he, *he1 = NULL, *he2 = NULL, *he3;
+	int v4 = 0, v6 = 0;
+	struct net_data *net_data = init();
+	u_long options;
+	int tmp_err;
+
+	if (net_data == NULL) {
+		*error_num = NO_RECOVERY;
+		return (NULL);
+	}
+
+	/* If we care about active interfaces then check. */
+	if ((flags & AI_ADDRCONFIG) != 0)
+		if (scan_interfaces(&have_v4, &have_v6) == -1) {
+			*error_num = NO_RECOVERY;
+			return (NULL);
+		}
+
+	/* Check for literal address. */
+	if ((v4 = inet_pton(AF_INET, name, &in4)) != 1)
+		v6 = inet_pton(AF_INET6, name, &in6);
+
+	/* Impossible combination? */
+	 
+	if ((af == AF_INET6 && (flags & AI_V4MAPPED) == 0 && v4 == 1) ||
+	    (af == AF_INET && v6 == 1) ||
+	    (have_v4 == 0 && v4 == 1) ||
+	    (have_v6 == 0 && v6 == 1) ||
+	    (have_v4 == 0 && af == AF_INET) ||
+	    (have_v6 == 0 && af == AF_INET6)) {
+		*error_num = HOST_NOT_FOUND;
+		return (NULL);
+	}
+
+	/* Literal address? */
+	if (v4 == 1 || v6 == 1) {
+		char *addr_list[2];
+		char *aliases[1];
+
+		DE_CONST(name, he.h_name);
+		he.h_addr_list = addr_list;
+		he.h_addr_list[0] = (v4 == 1) ? (char *)&in4 : (char *)&in6;
+		he.h_addr_list[1] = NULL;
+		he.h_aliases = aliases;
+		he.h_aliases[0] = NULL;
+		he.h_length = (v4 == 1) ? INADDRSZ : IN6ADDRSZ;
+		he.h_addrtype = (v4 == 1) ? AF_INET : AF_INET6;
+		return (copyandmerge(&he, NULL, af, error_num));
+	}
+
+	options = net_data->res->options;
+	net_data->res->options &= ~RES_USE_INET6;
+
+	tmp_err = NO_RECOVERY;
+	if (have_v6 && af == AF_INET6) {
+		he2 = gethostbyname2_p(name, AF_INET6, net_data);
+		if (he2 != NULL) {
+			he1 = copyandmerge(he2, NULL, af, error_num);
+			if (he1 == NULL)
+				return (NULL);
+			he2 = NULL;
+		} else {
+			tmp_err = net_data->res->res_h_errno;
+		}
+	}
+
+	if (have_v4 &&
+	    ((af == AF_INET) ||
+	     (af == AF_INET6 && (flags & AI_V4MAPPED) != 0 &&
+	      (he1 == NULL || (flags & AI_ALL) != 0)))) {
+		he2 = gethostbyname2_p(name, AF_INET, net_data);
+		if (he1 == NULL && he2 == NULL) {
+			*error_num = net_data->res->res_h_errno;
+			return (NULL);
+		} 
+	} else
+		*error_num = tmp_err;
+
+	net_data->res->options = options;
+
+	he3 = copyandmerge(he1, he2, af, error_num);
+
+	if (he1 != NULL)
+		freehostent(he1);
+	return (he3);
+}
+
+struct hostent *
+getipnodebyaddr(const void *src, size_t len, int af, int *error_num) {
+	struct hostent *he1, *he2;
+	struct net_data *net_data = init();
+
+	/* Sanity Checks. */
+#ifdef       ORIGINAL_ISC_CODE
+	if (src == NULL) {
+#else
+	/* this change was added circa May 2009, but not in ISC libbind 6.0 */
+	if (src == NULL|| net_data == NULL) {
+#endif       /* ORIGINAL_ISC_CODE */
+		*error_num = NO_RECOVERY;
+		return (NULL);
+	}
+	
+	switch (af) {
+	case AF_INET:
+		if (len != (size_t)INADDRSZ) {
+			*error_num = NO_RECOVERY;
+			return (NULL);
+		}
+		break;
+	case AF_INET6:
+		if (len != (size_t)IN6ADDRSZ) {
+			*error_num = NO_RECOVERY;
+			return (NULL);
+		}
+		break;
+	default:
+		*error_num = NO_RECOVERY;
+		return (NULL);
+	}
+
+	/*
+	 * Lookup IPv4 and IPv4 mapped/compatible addresses
+	 */
+	if ((af == AF_INET6 &&
+	     IN6_IS_ADDR_V4COMPAT((const struct in6_addr *)src)) ||
+	    (af == AF_INET6 &&
+	     IN6_IS_ADDR_V4MAPPED((const struct in6_addr *)src)) ||
+	    (af == AF_INET)) {
+		const char *cp = src;
+
+		if (af == AF_INET6)
+			cp += 12;
+		he1 = gethostbyaddr_p(cp, 4, AF_INET, net_data);
+		if (he1 == NULL) {
+			*error_num = net_data->res->res_h_errno;
+			return (NULL);
+		}
+		he2 = copyandmerge(he1, NULL, af, error_num);
+		if (he2 == NULL)
+			return (NULL);
+		/*
+		 * Restore original address if mapped/compatible.
+		 */
+		if (af == AF_INET6)
+			memcpy(he1->h_addr, src, len);
+		return (he2);
+	}
+
+	/*
+	 * Lookup IPv6 address.
+	 */
+	if (memcmp((const struct in6_addr *)src, &in6addr_any, 16) == 0) {
+		*error_num = HOST_NOT_FOUND;
+		return (NULL);
+	}
+
+	he1 = gethostbyaddr_p(src, 16, AF_INET6, net_data);
+	if (he1 == NULL) {
+		*error_num = net_data->res->res_h_errno;
+		return (NULL);
+	}
+	return (copyandmerge(he1, NULL, af, error_num));
+}
+
+void
+freehostent(struct hostent *he) {
+	char **cpp;
+	int names = 1;
+	int addresses = 1;
+
+	memput(he->h_name, strlen(he->h_name) + 1);
+
+	cpp = he->h_addr_list;
+	while (*cpp != NULL) {
+		memput(*cpp, (he->h_addrtype == AF_INET) ?
+			     INADDRSZ : IN6ADDRSZ);
+		*cpp = NULL;
+		cpp++;
+		addresses++;
+	}
+
+	cpp = he->h_aliases;
+	while (*cpp != NULL) {
+		memput(*cpp, strlen(*cpp) + 1);
+		cpp++;
+		names++;
+	}
+
+	memput(he->h_aliases, sizeof(char *) * (names));
+	memput(he->h_addr_list, sizeof(char *) * (addresses));
+	memput(he, sizeof *he);
+}
+
+/*%
+ * Private
+ */
+
+/*%
+ * Scan the interface table and set have_v4 and have_v6 depending
+ * upon whether there are IPv4 and IPv6 interface addresses.
+ *
+ * Returns:
+ *	0 on success
+ *	-1 on failure.
+ */
+
+#if defined(SIOCGLIFCONF) && defined(SIOCGLIFADDR) && \
+    !defined(IRIX_EMUL_IOCTL_SIOCGIFCONF) 
+
+#ifdef __hpux
+#define lifc_len iflc_len
+#define lifc_buf iflc_buf
+#define lifc_req iflc_req
+#define LIFCONF if_laddrconf
+#else
+#define SETFAMILYFLAGS
+#define LIFCONF lifconf
+#endif
+ 
+#ifdef __hpux
+#define lifr_addr iflr_addr
+#define lifr_name iflr_name
+#define lifr_dstaddr iflr_dstaddr
+#define lifr_flags iflr_flags
+#define ss_family sa_family
+#define LIFREQ if_laddrreq
+#else
+#define LIFREQ lifreq
+#endif
+
+static void
+scan_interfaces6(int *have_v4, int *have_v6) {
+	struct LIFCONF lifc;
+	struct LIFREQ lifreq;
+	struct in_addr in4;
+	struct in6_addr in6;
+	char *buf = NULL, *cp, *cplim;
+	static unsigned int bufsiz = 4095;
+	int s, cpsize, n;
+
+	/* Get interface list from system. */
+	if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) == -1)
+		goto cleanup;
+
+	/*
+	 * Grow buffer until large enough to contain all interface
+	 * descriptions.
+	 */
+	for (;;) {
+		buf = memget(bufsiz);
+		if (buf == NULL)
+			goto cleanup;
+#ifdef SETFAMILYFLAGS
+		lifc.lifc_family = AF_UNSPEC;	/*%< request all families */
+		lifc.lifc_flags = 0;
+#endif
+		lifc.lifc_len = bufsiz;
+		lifc.lifc_buf = buf;
+		if ((n = ioctl(s, SIOCGLIFCONF, (char *)&lifc)) != -1) {
+			/*
+			 * Some OS's just return what will fit rather
+			 * than set EINVAL if the buffer is too small
+			 * to fit all the interfaces in.  If 
+			 * lifc.lifc_len is too near to the end of the
+			 * buffer we will grow it just in case and
+			 * retry.
+			 */
+			if (lifc.lifc_len + 2 * sizeof(lifreq) < bufsiz)
+				break;
+		}
+		if ((n == -1) && errno != EINVAL)
+			goto cleanup;
+
+		if (bufsiz > 1000000)
+			goto cleanup;
+
+		memput(buf, bufsiz);
+		bufsiz += 4096;
+	}
+
+	/* Parse system's interface list. */
+	cplim = buf + lifc.lifc_len;    /*%< skip over if's with big ifr_addr's */
+	for (cp = buf;
+	     (*have_v4 == 0 || *have_v6 == 0) && cp < cplim;
+	     cp += cpsize) {
+		memcpy(&lifreq, cp, sizeof lifreq);
+#ifdef HAVE_SA_LEN
+#ifdef FIX_ZERO_SA_LEN
+		if (lifreq.lifr_addr.sa_len == 0)
+			lifreq.lifr_addr.sa_len = 16;
+#endif
+#ifdef HAVE_MINIMUM_IFREQ
+		cpsize = sizeof lifreq;
+		if (lifreq.lifr_addr.sa_len > sizeof (struct sockaddr))
+			cpsize += (int)lifreq.lifr_addr.sa_len -
+				(int)(sizeof (struct sockaddr));
+#else
+		cpsize = sizeof lifreq.lifr_name + lifreq.lifr_addr.sa_len;
+#endif /* HAVE_MINIMUM_IFREQ */
+#elif defined SIOCGIFCONF_ADDR
+		cpsize = sizeof lifreq;
+#else
+		cpsize = sizeof lifreq.lifr_name;
+		/* XXX maybe this should be a hard error? */
+		if (ioctl(s, SIOCGLIFADDR, (char *)&lifreq) < 0)
+			continue;
+#endif
+		switch (lifreq.lifr_addr.ss_family) {
+		case AF_INET:
+			if (*have_v4 == 0) {
+				memcpy(&in4,
+				       &((struct sockaddr_in *)
+				       &lifreq.lifr_addr)->sin_addr,
+				       sizeof in4);
+				if (in4.s_addr == INADDR_ANY)
+					break;
+				n = ioctl(s, SIOCGLIFFLAGS, (char *)&lifreq);
+				if (n < 0)
+					break;
+				if ((lifreq.lifr_flags & IFF_UP) == 0)
+					break;
+				*have_v4 = 1;
+			} 
+			break;
+		case AF_INET6:
+			if (*have_v6 == 0) {
+				memcpy(&in6,
+				       &((struct sockaddr_in6 *)
+				       &lifreq.lifr_addr)->sin6_addr, sizeof in6);
+				if (memcmp(&in6, &in6addr_any, sizeof in6) == 0)
+					break;
+				n = ioctl(s, SIOCGLIFFLAGS, (char *)&lifreq);
+				if (n < 0)
+					break;
+				if ((lifreq.lifr_flags & IFF_UP) == 0)
+					break;
+				*have_v6 = 1;
+			}
+			break;
+		}
+	}
+	if (buf != NULL)
+		memput(buf, bufsiz);
+	close(s);
+	/* printf("scan interface -> 4=%d 6=%d\n", *have_v4, *have_v6); */
+	return;
+ cleanup:
+	if (buf != NULL)
+		memput(buf, bufsiz);
+	if (s != -1)
+		close(s);
+	/* printf("scan interface -> 4=%d 6=%d\n", *have_v4, *have_v6); */
+	return;
+}
+#endif
+
+#if ( defined(__linux__) || defined(__linux) || defined(LINUX) )
+#ifndef IF_NAMESIZE
+# ifdef IFNAMSIZ
+#  define IF_NAMESIZE  IFNAMSIZ
+# else
+#  define IF_NAMESIZE 16
+# endif
+#endif
+static void
+scan_linux6(int *have_v6) {
+	FILE *proc = NULL;
+	char address[33];
+	char name[IF_NAMESIZE+1];
+	int ifindex, prefix, flag3, flag4;
+	
+	proc = fopen("/proc/net/if_inet6", "r");
+	if (proc == NULL)
+		return;
+
+	if (fscanf(proc, "%32[a-f0-9] %x %x %x %x %16s\n",
+		   address, &ifindex, &prefix, &flag3, &flag4, name) == 6)
+		*have_v6 = 1;
+	fclose(proc);
+	return;
+}
+#endif
+
+static int
+scan_interfaces(int *have_v4, int *have_v6) {
+	struct ifconf ifc;
+	union {
+		char _pad[256];		/*%< leave space for IPv6 addresses */
+		struct ifreq ifreq;
+	} u;
+	struct in_addr in4;
+	struct in6_addr in6;
+	char *buf = NULL, *cp, *cplim;
+	static unsigned int bufsiz = 4095;
+	int s, n;
+	size_t cpsize;
+
+	/* Set to zero.  Used as loop terminators below. */
+	*have_v4 = *have_v6 = 0;
+
+#if defined(SIOCGLIFCONF) && defined(SIOCGLIFADDR) && \
+    !defined(IRIX_EMUL_IOCTL_SIOCGIFCONF) 
+	/*
+	 * Try to scan the interfaces using IPv6 ioctls().
+	 */
+	scan_interfaces6(have_v4, have_v6);
+	if (*have_v4 != 0 && *have_v6 != 0)
+		return (0);
+#endif
+#ifdef __linux
+	scan_linux6(have_v6);
+#endif
+
+	/* Get interface list from system. */
+	if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
+		goto err_ret;
+
+	/*
+	 * Grow buffer until large enough to contain all interface
+	 * descriptions.
+	 */
+	for (;;) {
+		buf = memget(bufsiz);
+		if (buf == NULL)
+			goto err_ret;
+		ifc.ifc_len = bufsiz;
+		ifc.ifc_buf = buf;
+#ifdef IRIX_EMUL_IOCTL_SIOCGIFCONF
+		/*
+		 * This is a fix for IRIX OS in which the call to ioctl with
+		 * the flag SIOCGIFCONF may not return an entry for all the
+		 * interfaces like most flavors of Unix.
+		 */
+		if (emul_ioctl(&ifc) >= 0)
+			break;
+#else
+		if ((n = ioctl(s, SIOCGIFCONF, (char *)&ifc)) != -1) {
+			/*
+			 * Some OS's just return what will fit rather
+			 * than set EINVAL if the buffer is too small
+			 * to fit all the interfaces in.  If 
+			 * ifc.ifc_len is too near to the end of the
+			 * buffer we will grow it just in case and
+			 * retry.
+			 */
+			if (ifc.ifc_len + 2 * sizeof(u.ifreq) < bufsiz)
+				break;
+		}
+#endif
+		if ((n == -1) && errno != EINVAL)
+			goto err_ret;
+
+		if (bufsiz > 1000000)
+			goto err_ret;
+
+		memput(buf, bufsiz);
+		bufsiz += 4096;
+	}
+
+	/* Parse system's interface list. */
+	cplim = buf + ifc.ifc_len;    /*%< skip over if's with big ifr_addr's */
+	for (cp = buf;
+	     (*have_v4 == 0 || *have_v6 == 0) && cp < cplim;
+	     cp += cpsize) {
+		memcpy(&u.ifreq, cp, sizeof u.ifreq);
+#ifdef HAVE_SA_LEN
+#ifdef FIX_ZERO_SA_LEN
+		if (u.ifreq.ifr_addr.sa_len == 0)
+			u.ifreq.ifr_addr.sa_len = 16;
+#endif
+#ifdef HAVE_MINIMUM_IFREQ
+		cpsize = sizeof u.ifreq;
+		if (u.ifreq.ifr_addr.sa_len > sizeof (struct sockaddr))
+			cpsize += (int)u.ifreq.ifr_addr.sa_len -
+				(int)(sizeof (struct sockaddr));
+#else
+		cpsize = sizeof u.ifreq.ifr_name + u.ifreq.ifr_addr.sa_len;
+#endif /* HAVE_MINIMUM_IFREQ */
+		if (cpsize > sizeof u.ifreq && cpsize <= sizeof u)
+			memcpy(&u.ifreq, cp, cpsize);
+#elif defined SIOCGIFCONF_ADDR
+		cpsize = sizeof u.ifreq;
+#else
+		cpsize = sizeof u.ifreq.ifr_name;
+		/* XXX maybe this should be a hard error? */
+		if (ioctl(s, SIOCGIFADDR, (char *)&u.ifreq) < 0)
+			continue;
+#endif
+		switch (u.ifreq.ifr_addr.sa_family) {
+		case AF_INET:
+			if (*have_v4 == 0) {
+				memcpy(&in4,
+				       &((struct sockaddr_in *)
+				       &u.ifreq.ifr_addr)->sin_addr,
+				       sizeof in4);
+				if (in4.s_addr == INADDR_ANY)
+					break;
+				n = ioctl(s, SIOCGIFFLAGS, (char *)&u.ifreq);
+				if (n < 0)
+					break;
+				if ((u.ifreq.ifr_flags & IFF_UP) == 0)
+					break;
+				*have_v4 = 1;
+			} 
+			break;
+		case AF_INET6:
+			if (*have_v6 == 0) {
+				memcpy(&in6,
+				       &((struct sockaddr_in6 *)
+				       &u.ifreq.ifr_addr)->sin6_addr,
+				       sizeof in6);
+				if (memcmp(&in6, &in6addr_any, sizeof in6) == 0)
+					break;
+				n = ioctl(s, SIOCGIFFLAGS, (char *)&u.ifreq);
+				if (n < 0)
+					break;
+				if ((u.ifreq.ifr_flags & IFF_UP) == 0)
+					break;
+				*have_v6 = 1;
+			}
+			break;
+		}
+	}
+	if (buf != NULL)
+		memput(buf, bufsiz);
+	close(s);
+	/* printf("scan interface -> 4=%d 6=%d\n", *have_v4, *have_v6); */
+	return (0);
+ err_ret:
+	if (buf != NULL)
+		memput(buf, bufsiz);
+	if (s != -1)
+		close(s);
+	/* printf("scan interface -> 4=%d 6=%d\n", *have_v4, *have_v6); */
+	return (-1);
+}
+
+static struct hostent *
+copyandmerge(struct hostent *he1, struct hostent *he2, int af, int *error_num) {
+	struct hostent *he = NULL;
+	int addresses = 1;	/*%< NULL terminator */
+	int names = 1;		/*%< NULL terminator */
+	int len = 0;
+	char **cpp, **npp;
+
+	/*
+	 * Work out array sizes;
+	 */
+	if (he1 != NULL) {
+		cpp = he1->h_addr_list;
+		while (*cpp != NULL) {
+			addresses++;
+			cpp++;
+		}
+		cpp = he1->h_aliases;
+		while (*cpp != NULL) {
+			names++;
+			cpp++;
+		}
+	}
+
+	if (he2 != NULL) {
+		cpp = he2->h_addr_list;
+		while (*cpp != NULL) {
+			addresses++;
+			cpp++;
+		}
+		if (he1 == NULL) {
+			cpp = he2->h_aliases;
+			while (*cpp != NULL) {
+				names++;
+				cpp++;
+			}
+		}
+	}
+
+	if (addresses == 1) {
+		*error_num = NO_ADDRESS;
+		return (NULL);
+	}
+
+	he = memget(sizeof *he);
+	if (he == NULL)
+		goto no_recovery;
+
+	he->h_addr_list = memget(sizeof(char *) * (addresses));
+	if (he->h_addr_list == NULL)
+		goto cleanup0;
+	memset(he->h_addr_list, 0, sizeof(char *) * (addresses));
+
+	/* copy addresses */
+	npp = he->h_addr_list;
+	if (he1 != NULL) {
+		cpp = he1->h_addr_list;
+		while (*cpp != NULL) {
+			*npp = memget((af == AF_INET) ? INADDRSZ : IN6ADDRSZ);
+			if (*npp == NULL)
+				goto cleanup1;
+			/* convert to mapped if required */
+			if (af == AF_INET6 && he1->h_addrtype == AF_INET) {
+				memcpy(*npp, in6addr_mapped,
+				       sizeof in6addr_mapped);
+				memcpy(*npp + sizeof in6addr_mapped, *cpp,
+				       INADDRSZ);
+			} else {
+				memcpy(*npp, *cpp,
+				       (af == AF_INET) ? INADDRSZ : IN6ADDRSZ);
+			}
+			cpp++;
+			npp++;
+		}
+	}
+
+	if (he2 != NULL) {
+		cpp = he2->h_addr_list;
+		while (*cpp != NULL) {
+			*npp = memget((af == AF_INET) ? INADDRSZ : IN6ADDRSZ);
+			if (*npp == NULL)
+				goto cleanup1;
+			/* convert to mapped if required */
+			if (af == AF_INET6 && he2->h_addrtype == AF_INET) {
+				memcpy(*npp, in6addr_mapped,
+				       sizeof in6addr_mapped);
+				memcpy(*npp + sizeof in6addr_mapped, *cpp,
+				       INADDRSZ);
+			} else {
+				memcpy(*npp, *cpp,
+				       (af == AF_INET) ? INADDRSZ : IN6ADDRSZ);
+			}
+			cpp++;
+			npp++;
+		}
+	}
+
+	he->h_aliases = memget(sizeof(char *) * (names));
+	if (he->h_aliases == NULL)
+		goto cleanup1;
+	memset(he->h_aliases, 0, sizeof(char *) * (names));
+
+	/* copy aliases */
+	npp = he->h_aliases;
+	cpp = (he1 != NULL) ? he1->h_aliases : he2->h_aliases;
+	while (*cpp != NULL) {
+		len = strlen (*cpp) + 1;
+		*npp = memget(len);
+		if (*npp == NULL)
+			goto cleanup2;
+		strcpy(*npp, *cpp);
+		npp++;
+		cpp++;
+	}
+
+	/* copy hostname */
+	he->h_name = memget(strlen((he1 != NULL) ?
+			    he1->h_name : he2->h_name) + 1);
+	if (he->h_name == NULL)
+		goto cleanup2;
+	strcpy(he->h_name, (he1 != NULL) ? he1->h_name : he2->h_name);
+
+	/* set address type and length */
+	he->h_addrtype = af;
+	he->h_length = (af == AF_INET) ? INADDRSZ : IN6ADDRSZ;
+	return(he);
+
+ cleanup2:
+	cpp = he->h_aliases;
+	while (*cpp != NULL) {
+		memput(*cpp, strlen(*cpp) + 1);
+		cpp++;
+	}
+	memput(he->h_aliases, sizeof(char *) * (names));
+
+ cleanup1:
+	cpp = he->h_addr_list;
+	while (*cpp != NULL) {
+		memput(*cpp, (af == AF_INET) ? INADDRSZ : IN6ADDRSZ);
+		*cpp = NULL;
+		cpp++;
+	}
+	memput(he->h_addr_list, sizeof(char *) * (addresses));
+
+ cleanup0:
+	memput(he, sizeof *he);
+
+ no_recovery:
+	*error_num = NO_RECOVERY;
+	return (NULL);
+}
+
+static struct net_data *
+init() {
+	struct net_data *net_data;
+
+	if (!(net_data = net_data_init(NULL)))
+		goto error;
+	if (!net_data->ho) {
+		net_data->ho = (*net_data->irs->ho_map)(net_data->irs);
+		if (!net_data->ho || !net_data->res) {
+  error:
+			errno = EIO;
+
+#ifdef	SUNW_SETHERRNO
+			h_errno = NETDB_INTERNAL;
+#endif	/* SUNW_SETHERRNO */
+			if (net_data && net_data->res)
+				RES_SET_H_ERRNO(net_data->res, NETDB_INTERNAL);
+			return (NULL);
+		}
+	
+		(*net_data->ho->res_set)(net_data->ho, net_data->res, NULL);
+	}
+	
+	return (net_data);
+}
+
+static void
+freepvt(struct net_data *net_data) {
+	if (net_data->ho_data) {
+		free(net_data->ho_data);
+		net_data->ho_data = NULL;
+	}
+}
+
+static struct hostent *
+fakeaddr(const char *name, int af, struct net_data *net_data) {
+	struct pvt *pvt;
+
+	freepvt(net_data);
+	net_data->ho_data = malloc(sizeof (struct pvt));
+	if (!net_data->ho_data) {
+		errno = ENOMEM;
+		RES_SET_H_ERRNO(net_data->res, NETDB_INTERNAL);
+		return (NULL);
+	}
+	pvt = net_data->ho_data;
+#ifndef __bsdi__
+	/*
+	 * Unlike its forebear(inet_aton), our friendly inet_pton() is strict
+	 * in its interpretation of its input, and it will only return "1" if
+	 * the input string is a formally valid(and thus unambiguous with
+	 * respect to host names) internet address specification for this AF.
+	 *
+	 * This means "telnet 0xdeadbeef" and "telnet 127.1" are dead now.
+	 */
+	if (inet_pton(af, name, pvt->addr) != 1) {
+#else
+	/* BSDI XXX
+	 * We put this back to inet_aton -- we really want the old behavior
+	 * Long live 127.1...
+	 */
+	if ((af != AF_INET ||
+	    inet_aton(name, (struct in_addr *)pvt->addr) != 1) &&
+	    inet_pton(af, name, pvt->addr) != 1) {
+#endif
+		RES_SET_H_ERRNO(net_data->res, HOST_NOT_FOUND);
+		return (NULL);
+	}
+	strncpy(pvt->name, name, NS_MAXDNAME);
+	pvt->name[NS_MAXDNAME] = '\0';
+	if (af == AF_INET && (net_data->res->options & RES_USE_INET6) != 0U) {
+		map_v4v6_address(pvt->addr, pvt->addr);
+		af = AF_INET6;
+	}
+	pvt->host.h_addrtype = af;
+	switch(af) {
+	case AF_INET:
+		pvt->host.h_length = NS_INADDRSZ;
+		break;
+	case AF_INET6:
+		pvt->host.h_length = NS_IN6ADDRSZ;
+		break;
+	default:
+		errno = EAFNOSUPPORT;
+		RES_SET_H_ERRNO(net_data->res, NETDB_INTERNAL);
+		return (NULL);
+	}
+	pvt->host.h_name = pvt->name;
+	pvt->host.h_aliases = pvt->aliases;
+	pvt->aliases[0] = NULL;
+	pvt->addrs[0] = (char *)pvt->addr;
+	pvt->addrs[1] = NULL;
+	pvt->host.h_addr_list = pvt->addrs;
+	RES_SET_H_ERRNO(net_data->res, NETDB_SUCCESS);
+	return (&pvt->host);
+}
+
+#ifdef grot	/*%< for future use in gethostbyaddr(), for "SUNSECURITY" */
+	struct hostent *rhp;
+	char **haddr;
+	u_long old_options;
+	char hname2[MAXDNAME+1];
+
+	if (af == AF_INET) {
+	    /*
+	     * turn off search as the name should be absolute,
+	     * 'localhost' should be matched by defnames
+	     */
+	    strncpy(hname2, hp->h_name, MAXDNAME);
+	    hname2[MAXDNAME] = '\0';
+	    old_options = net_data->res->options;
+	    net_data->res->options &= ~RES_DNSRCH;
+	    net_data->res->options |= RES_DEFNAMES;
+	    if (!(rhp = gethostbyname(hname2))) {
+		net_data->res->options = old_options;
+		RES_SET_H_ERRNO(net_data->res, HOST_NOT_FOUND);
+		return (NULL);
+	    }
+	    net_data->res->options = old_options;
+	    for (haddr = rhp->h_addr_list; *haddr; haddr++)
+		if (!memcmp(*haddr, addr, INADDRSZ))
+			break;
+	    if (!*haddr) {
+		RES_SET_H_ERRNO(net_data->res, HOST_NOT_FOUND);
+		return (NULL);
+	    }
+	}
+#endif /* grot */
+#endif /*__BIND_NOSTATIC*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/gethostent_r.c b/usr/src/lib/libresolv2_joy/common/irs/gethostent_r.c
new file mode 100644
index 0000000000..1971677c5d
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/gethostent_r.c
@@ -0,0 +1,278 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1998-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: gethostent_r.c,v 1.9 2005/09/03 12:41:37 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <port_before.h>
+#if !defined(_REENTRANT) || !defined(DO_PTHREADS)
+	static int gethostent_r_not_required = 0;
+#else
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <sys/param.h>
+#include <port_after.h>
+
+#pragma redefine extname res_gethostbyname joy_res_gethostbyname
+#pragma redefine extname res_gethostbyaddr joy_res_gethostbyaddr
+
+#ifdef HOST_R_RETURN
+
+static HOST_R_RETURN 
+copy_hostent(struct hostent *, struct hostent *, HOST_R_COPY_ARGS);
+
+HOST_R_RETURN
+gethostbyname_r(const char *name,  struct hostent *hptr, HOST_R_ARGS) {
+	struct hostent *he = gethostbyname(name);
+#ifdef HOST_R_SETANSWER
+	int n = 0;
+#endif
+
+#ifdef HOST_R_ERRNO
+	HOST_R_ERRNO;
+#endif
+
+#ifdef HOST_R_SETANSWER
+	if (he == NULL || (n = copy_hostent(he, hptr, HOST_R_COPY)) != 0)
+		*answerp = NULL;
+	else
+		*answerp = hptr;
+	
+	return (n);
+#else
+	if (he == NULL)
+		return (HOST_R_BAD);
+
+	return (copy_hostent(he, hptr, HOST_R_COPY));
+#endif
+}
+
+HOST_R_RETURN
+gethostbyaddr_r(const char *addr, int len, int type,
+		struct hostent *hptr, HOST_R_ARGS) {
+	struct hostent *he = gethostbyaddr(addr, len, type);
+#ifdef HOST_R_SETANSWER
+	int n = 0;
+#endif
+
+#ifdef HOST_R_ERRNO
+	HOST_R_ERRNO;
+#endif
+
+#ifdef HOST_R_SETANSWER
+	if (he == NULL || (n = copy_hostent(he, hptr, HOST_R_COPY)) != 0)
+		*answerp = NULL;
+	else
+		*answerp = hptr;
+	
+	return (n);
+#else
+	if (he == NULL)
+		return (HOST_R_BAD);
+
+	return (copy_hostent(he, hptr, HOST_R_COPY));
+#endif
+}
+
+/*%
+ *	These assume a single context is in operation per thread.
+ *	If this is not the case we will need to call irs directly
+ *	rather than through the base functions.
+ */
+
+HOST_R_RETURN
+gethostent_r(struct hostent *hptr, HOST_R_ARGS) {
+	struct hostent *he = gethostent();
+#ifdef HOST_R_SETANSWER
+	int n = 0;
+#endif
+
+#ifdef HOST_R_ERRNO
+	HOST_R_ERRNO;
+#endif
+
+#ifdef HOST_R_SETANSWER
+	if (he == NULL || (n = copy_hostent(he, hptr, HOST_R_COPY)) != 0)
+		*answerp = NULL;
+	else
+		*answerp = hptr;
+	
+	return (n);
+#else
+	if (he == NULL)
+		return (HOST_R_BAD);
+
+	return (copy_hostent(he, hptr, HOST_R_COPY));
+#endif
+}
+
+HOST_R_SET_RETURN
+#ifdef HOST_R_ENT_ARGS
+sethostent_r(int stay_open, HOST_R_ENT_ARGS)
+#else
+sethostent_r(int stay_open)
+#endif
+{
+#ifdef HOST_R_ENT_ARGS
+	UNUSED(hdptr);
+#endif
+	sethostent(stay_open);
+#ifdef	HOST_R_SET_RESULT
+	return (HOST_R_SET_RESULT);
+#endif
+}
+
+HOST_R_END_RETURN
+#ifdef HOST_R_ENT_ARGS
+endhostent_r(HOST_R_ENT_ARGS)
+#else
+endhostent_r(void)
+#endif
+{
+#ifdef HOST_R_ENT_ARGS
+	UNUSED(hdptr);
+#endif
+	endhostent();
+	HOST_R_END_RESULT(HOST_R_OK);
+}
+
+/* Private */
+
+#ifndef HOSTENT_DATA
+static HOST_R_RETURN
+copy_hostent(struct hostent *he, struct hostent *hptr, HOST_R_COPY_ARGS) {
+	char *cp;
+	char **ptr;
+	int i, n;
+	int nptr, len;
+
+	/* Find out the amount of space required to store the answer. */
+	nptr = 2; /*%< NULL ptrs */
+	len = (char *)ALIGN(buf) - buf;
+	for (i = 0; he->h_addr_list[i]; i++, nptr++) {
+		len += he->h_length;
+	}
+	for (i = 0; he->h_aliases[i]; i++, nptr++) {
+		len += strlen(he->h_aliases[i]) + 1;
+	}
+	len += strlen(he->h_name) + 1;
+	len += nptr * sizeof(char*);
+	
+	if (len > buflen) {
+		errno = ERANGE;
+		return (HOST_R_BAD);
+	}
+
+	/* copy address size and type */
+	hptr->h_addrtype = he->h_addrtype;
+	n = hptr->h_length = he->h_length;
+
+	ptr = (char **)ALIGN(buf);
+	cp = (char *)ALIGN(buf) + nptr * sizeof(char *);
+
+	/* copy address list */
+	hptr->h_addr_list = ptr;
+	for (i = 0; he->h_addr_list[i]; i++ , ptr++) {
+		memcpy(cp, he->h_addr_list[i], n);
+		hptr->h_addr_list[i] = cp;
+		cp += n;
+	}
+	hptr->h_addr_list[i] = NULL;
+	ptr++;
+
+	/* copy official name */
+	n = strlen(he->h_name) + 1;
+	strcpy(cp, he->h_name);
+	hptr->h_name = cp;
+	cp += n;
+
+	/* copy aliases */
+	hptr->h_aliases = ptr;
+	for (i = 0 ; he->h_aliases[i]; i++) {
+		n = strlen(he->h_aliases[i]) + 1;
+		strcpy(cp, he->h_aliases[i]);
+		hptr->h_aliases[i] = cp;
+		cp += n;
+	}
+	hptr->h_aliases[i] = NULL;
+
+	return (HOST_R_OK);
+}
+#else /* !HOSTENT_DATA */
+static int
+copy_hostent(struct hostent *he, struct hostent *hptr, HOST_R_COPY_ARGS) {
+	char *cp, *eob;
+	int i, n;
+
+	/* copy address size and type */
+	hptr->h_addrtype = he->h_addrtype;
+	n = hptr->h_length = he->h_length;
+
+	/* copy up to first 35 addresses */
+	i = 0;
+	cp = hdptr->hostbuf;
+	eob = hdptr->hostbuf + sizeof(hdptr->hostbuf);
+	hptr->h_addr_list = hdptr->h_addr_ptrs;
+	while (he->h_addr_list[i] && i < (_MAXADDRS)) {
+		if (n < (eob - cp)) {
+			memcpy(cp, he->h_addr_list[i], n);
+			hptr->h_addr_list[i] = cp;
+			cp += n;
+		} else {
+			break;
+		}
+		i++;
+	}
+	hptr->h_addr_list[i] = NULL;
+
+	/* copy official name */
+	if ((n = strlen(he->h_name) + 1) < (eob - cp)) {
+		strcpy(cp, he->h_name);
+		hptr->h_name = cp;
+		cp += n;
+	} else {
+		return (-1);
+	}
+
+	/* copy aliases */
+	i = 0;
+	hptr->h_aliases = hdptr->host_aliases;
+	while (he->h_aliases[i] && i < (_MAXALIASES-1)) {
+		if ((n = strlen(he->h_aliases[i]) + 1) < (eob - cp)) {
+			strcpy(cp, he->h_aliases[i]);
+			hptr->h_aliases[i] = cp;
+			cp += n;
+		} else {
+			break;
+		}
+		i++;
+	}
+	hptr->h_aliases[i] = NULL;
+
+	return (HOST_R_OK);
+}
+#endif /* !HOSTENT_DATA */
+#else /* HOST_R_RETURN */
+	static int gethostent_r_unknown_system = 0;
+#endif /* HOST_R_RETURN */
+#endif /* !defined(_REENTRANT) || !defined(DO_PTHREADS) */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/getnameinfo.c b/usr/src/lib/libresolv2_joy/common/irs/getnameinfo.c
new file mode 100644
index 0000000000..360bda8bfe
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/getnameinfo.c
@@ -0,0 +1,334 @@
+/*
+ * Issues to be discussed:
+ * - Thread safe-ness must be checked
+ */
+
+#if ( defined(__linux__) || defined(__linux) || defined(LINUX) )
+#ifndef IF_NAMESIZE
+# ifdef IFNAMSIZ
+#  define IF_NAMESIZE  IFNAMSIZ
+# else
+#  define IF_NAMESIZE 16
+# endif
+#endif
+#endif
+
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    This product includes software developed by WIDE Project and
+ *    its contributors.
+ * 4. Neither the name of the project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <port_before.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+#include <net/if.h>
+
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <string.h>
+#include <stddef.h>
+
+#include <port_after.h>
+
+/*%
+ * Note that a_off will be dynamically adjusted so that to be consistent
+ * with the definition of sockaddr_in{,6}.
+ * The value presented below is just a guess.
+ */
+static struct afd {
+	int a_af;
+	int a_addrlen;
+	size_t a_socklen;
+	int a_off;
+} afdl [] = {
+	/* first entry is linked last... */
+	{PF_INET, sizeof(struct in_addr), sizeof(struct sockaddr_in),
+	 offsetof(struct sockaddr_in, sin_addr)},
+	{PF_INET6, sizeof(struct in6_addr), sizeof(struct sockaddr_in6),
+	 offsetof(struct sockaddr_in6, sin6_addr)},
+	{0, 0, 0, 0},
+};
+
+struct sockinet {
+#ifdef HAVE_SA_LEN
+	u_char	si_len;
+#endif
+	u_char	si_family;
+	u_short	si_port;
+};
+
+static int ip6_parsenumeric __P((const struct sockaddr *, const char *, char *,
+				 size_t, int));
+#ifdef HAVE_SIN6_SCOPE_ID
+static int ip6_sa2str __P((const struct sockaddr_in6 *, char *, size_t, int));
+#endif
+
+int
+getnameinfo(sa, salen, host, hostlen, serv, servlen, flags)
+	const struct sockaddr *sa;
+	size_t salen;
+	char *host;
+	size_t hostlen;
+	char *serv;
+	size_t servlen;
+	int flags;
+{
+	struct afd *afd;
+	struct servent *sp;
+	struct hostent *hp;
+	u_short port;
+#ifdef HAVE_SA_LEN
+	size_t len;
+#endif
+	int family, i;
+	const char *addr;
+	char *p;
+	char numserv[512];
+	char numaddr[512];
+	const struct sockaddr_in6 *sin6;
+
+	if (sa == NULL)
+		return EAI_FAIL;
+
+#ifdef HAVE_SA_LEN
+	len = sa->sa_len;
+	if (len != salen) return EAI_FAIL;
+#endif
+
+	family = sa->sa_family;
+	for (i = 0; afdl[i].a_af; i++)
+		if (afdl[i].a_af == family) {
+			afd = &afdl[i];
+			goto found;
+		}
+	return EAI_FAMILY;
+
+ found:
+	if (salen != afd->a_socklen) return EAI_FAIL;
+
+	port = ((const struct sockinet *)sa)->si_port; /*%< network byte order */
+	addr = (const char *)sa + afd->a_off;
+
+	if (serv == NULL || servlen == 0U) {
+		/*
+		 * rfc2553bis says that serv == NULL or servlen == 0 means that
+		 * the caller does not want the result.
+		 */
+	} else if (flags & NI_NUMERICSERV) {
+		sprintf(numserv, "%d", ntohs(port));
+		if (strlen(numserv) > servlen)
+			return EAI_MEMORY;
+		strcpy(serv, numserv);
+	} else {
+		sp = getservbyport(port, (flags & NI_DGRAM) ? "udp" : "tcp");
+		if (sp) {
+			if (strlen(sp->s_name) + 1 > servlen)
+				return EAI_MEMORY;
+			strcpy(serv, sp->s_name);
+		} else
+			return EAI_NONAME;
+	}
+
+	switch (sa->sa_family) {
+	case AF_INET:
+		if (ntohl(*(const u_int32_t *)addr) >> IN_CLASSA_NSHIFT == 0)
+			flags |= NI_NUMERICHOST;			
+		break;
+	case AF_INET6:
+		sin6 = (const struct sockaddr_in6 *)sa;
+		switch (sin6->sin6_addr.s6_addr[0]) {
+		case 0x00:
+			if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr))
+				;
+			else if (IN6_IS_ADDR_LOOPBACK(&sin6->sin6_addr))
+				;
+			else
+				flags |= NI_NUMERICHOST;
+			break;
+		default:
+			if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr))
+				flags |= NI_NUMERICHOST;
+			else if (IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr))
+				flags |= NI_NUMERICHOST;
+			break;
+		}
+		break;
+	}
+	if (host == NULL || hostlen == 0U) {
+		/*
+		 * rfc2553bis says that host == NULL or hostlen == 0 means that
+		 * the caller does not want the result.
+		 */
+	} else if (flags & NI_NUMERICHOST) {
+		goto numeric;
+	} else {
+		hp = gethostbyaddr(addr, afd->a_addrlen, afd->a_af);
+
+		if (hp) {
+			if (flags & NI_NOFQDN) {
+				p = strchr(hp->h_name, '.');
+				if (p) *p = '\0';
+			}
+			if (strlen(hp->h_name) + 1 > hostlen)
+				return EAI_MEMORY;
+			strcpy(host, hp->h_name);
+		} else {
+			if (flags & NI_NAMEREQD)
+				return EAI_NONAME;
+		  numeric:
+			switch(afd->a_af) {
+			case AF_INET6:
+			{
+				int error;
+
+				if ((error = ip6_parsenumeric(sa, addr, host,
+							      hostlen,
+							      flags)) != 0)
+					return(error);
+				break;
+			}
+
+			default:
+				if (inet_ntop(afd->a_af, addr, numaddr,
+					      sizeof(numaddr)) == NULL)
+					return EAI_NONAME;
+				if (strlen(numaddr) + 1 > hostlen)
+					return EAI_MEMORY;
+				strcpy(host, numaddr);
+			}
+		}
+	}
+	return(0);
+}
+
+static int
+ip6_parsenumeric(const struct sockaddr *sa, const char *addr, char *host,
+		 size_t hostlen, int flags)
+{
+	size_t numaddrlen;
+	char numaddr[512];
+
+#ifndef HAVE_SIN6_SCOPE_ID
+	UNUSED(sa);
+	UNUSED(flags);
+#endif
+
+	if (inet_ntop(AF_INET6, addr, numaddr, sizeof(numaddr))
+	    == NULL)
+		return EAI_SYSTEM;
+
+	numaddrlen = strlen(numaddr);
+	if (numaddrlen + 1 > hostlen) /*%< don't forget terminator */
+		return EAI_MEMORY;
+	strcpy(host, numaddr);
+
+#ifdef HAVE_SIN6_SCOPE_ID
+	if (((const struct sockaddr_in6 *)sa)->sin6_scope_id) {
+		char scopebuf[MAXHOSTNAMELEN]; /*%< XXX */
+		int scopelen;
+
+		/* ip6_sa2str never fails */
+		scopelen = ip6_sa2str((const struct sockaddr_in6 *)sa,
+				      scopebuf, sizeof(scopebuf), flags);
+
+		if (scopelen + 1 + numaddrlen + 1 > hostlen)
+			return EAI_MEMORY;
+
+		/* construct <numeric-addr><delim><scopeid> */
+		memcpy(host + numaddrlen + 1, scopebuf,
+		       scopelen);
+		host[numaddrlen] = SCOPE_DELIMITER;
+		host[numaddrlen + 1 + scopelen] = '\0';
+	}
+#endif
+
+	return 0;
+}
+
+#ifdef HAVE_SIN6_SCOPE_ID
+/* ARGSUSED */
+static int
+ip6_sa2str(const struct sockaddr_in6 *sa6, char *buf,
+	   size_t bufsiz, int flags)
+{
+#ifdef USE_IFNAMELINKID
+	unsigned int ifindex = (unsigned int)sa6->sin6_scope_id;
+	const struct in6_addr *a6 = &sa6->sin6_addr;
+#endif
+	char tmp[64];
+
+#ifdef NI_NUMERICSCOPE
+	if (flags & NI_NUMERICSCOPE) {
+		sprintf(tmp, "%u", sa6->sin6_scope_id);
+		if (bufsiz != 0U) {
+			strncpy(buf, tmp, bufsiz - 1);
+			buf[bufsiz - 1] = '\0';
+		}
+		return(strlen(tmp));
+	}
+#endif
+
+#ifdef USE_IFNAMELINKID
+	/*
+	 * For a link-local address, convert the index to an interface
+	 * name, assuming a one-to-one mapping between links and interfaces.
+	 * Note, however, that this assumption is stronger than the
+	 * specification of the scoped address architecture;  the
+	 * specficication says that more than one interfaces can belong to
+	 * a single link.
+	 */
+
+	/* if_indextoname() does not take buffer size.  not a good api... */
+	if ((IN6_IS_ADDR_LINKLOCAL(a6) || IN6_IS_ADDR_MC_LINKLOCAL(a6)) &&
+	    bufsiz >= IF_NAMESIZE) {
+		char *p = if_indextoname(ifindex, buf);
+		if (p) {
+			return(strlen(p));
+		}
+	}
+#endif
+
+	/* last resort */
+	sprintf(tmp, "%u", sa6->sin6_scope_id);
+	if (bufsiz != 0U) {
+		strncpy(buf, tmp, bufsiz - 1);
+		buf[bufsiz - 1] = '\0';
+	}
+	return(strlen(tmp));
+}
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/getnetent.c b/usr/src/lib/libresolv2_joy/common/irs/getnetent.c
new file mode 100644
index 0000000000..0d00699e81
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/getnetent.c
@@ -0,0 +1,345 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: getnetent.c,v 1.7 2005/04/27 04:56:25 sra Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#if !defined(__BIND_NOSTATIC)
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "irs_data.h"
+
+/* Definitions */
+
+struct pvt {
+	struct netent	netent;
+	char *		aliases[1];
+	char		name[MAXDNAME + 1];
+};
+
+/* Forward */
+
+static struct net_data *init(void);
+static struct netent   *nw_to_net(struct nwent *, struct net_data *);
+static void		freepvt(struct net_data *);
+static struct netent   *fakeaddr(const char *, int af, struct net_data *);
+
+/* Portability */
+
+#ifndef INADDR_NONE
+# define INADDR_NONE 0xffffffff
+#endif
+
+/* Public */
+
+struct netent *
+getnetent() {
+	struct net_data *net_data = init();
+
+	return (getnetent_p(net_data));
+}
+
+struct netent *
+getnetbyname(const char *name) {
+	struct net_data *net_data = init();
+
+	return (getnetbyname_p(name, net_data));
+}
+
+struct netent *
+getnetbyaddr(unsigned long net, int type) {
+	struct net_data *net_data = init();
+
+	return (getnetbyaddr_p(net, type, net_data));
+}
+
+void
+setnetent(int stayopen) {
+	struct net_data *net_data = init();
+
+	setnetent_p(stayopen, net_data);
+}
+
+
+void
+endnetent() {
+	struct net_data *net_data = init();
+
+	endnetent_p(net_data);
+}
+
+/* Shared private. */
+
+struct netent *
+getnetent_p(struct net_data *net_data) {
+	struct irs_nw *nw;
+
+	if (!net_data || !(nw = net_data->nw))
+		return (NULL);
+	net_data->nww_last = (*nw->next)(nw);
+	net_data->nw_last = nw_to_net(net_data->nww_last, net_data);
+	return (net_data->nw_last);
+}
+
+struct netent *
+getnetbyname_p(const char *name, struct net_data *net_data) {
+	struct irs_nw *nw;
+	struct netent *np;
+	char **nap;
+
+	if (!net_data || !(nw = net_data->nw))
+		return (NULL);
+	if (net_data->nw_stayopen && net_data->nw_last) {
+		if (!strcmp(net_data->nw_last->n_name, name))
+			return (net_data->nw_last);
+		for (nap = net_data->nw_last->n_aliases; nap && *nap; nap++)
+			if (!strcmp(name, *nap))
+				return (net_data->nw_last);
+	}
+	if ((np = fakeaddr(name, AF_INET, net_data)) != NULL)
+		return (np);
+	net_data->nww_last = (*nw->byname)(nw, name, AF_INET);
+	net_data->nw_last = nw_to_net(net_data->nww_last, net_data);
+	if (!net_data->nw_stayopen)
+		endnetent();
+	return (net_data->nw_last);
+}
+
+struct netent *
+getnetbyaddr_p(unsigned long net, int type, struct net_data *net_data) {
+	struct irs_nw *nw;
+	u_char addr[4];
+	int bits;
+
+	if (!net_data || !(nw = net_data->nw))
+		return (NULL);
+	if (net_data->nw_stayopen && net_data->nw_last)
+		if (type == net_data->nw_last->n_addrtype &&
+		    net == net_data->nw_last->n_net)
+			return (net_data->nw_last);
+
+	/* cannonize net(host order) */
+	if (net < 256UL) {
+		net <<= 24;
+		bits = 8;
+	} else if (net < 65536UL) {
+		net <<= 16;
+		bits = 16;
+	} else if (net < 16777216UL) {
+		net <<= 8;
+		bits = 24;
+	} else
+		bits = 32;
+
+	/* convert to net order */
+	addr[0] = (0xFF000000 & net) >> 24;
+	addr[1] = (0x00FF0000 & net) >> 16;
+	addr[2] = (0x0000FF00 & net) >> 8;
+	addr[3] = (0x000000FF & net);
+
+	/* reduce bits to as close to natural number as possible */
+	if ((bits == 32) && (addr[0] < 224) && (addr[3] == 0)) {
+		if ((addr[0] < 192) && (addr[2] == 0)) {
+			if ((addr[0] < 128) && (addr[1] == 0))
+				bits = 8;
+			else
+				bits = 16;
+		} else {
+			bits = 24;
+		}
+	}
+
+	net_data->nww_last = (*nw->byaddr)(nw, addr, bits, AF_INET);
+	net_data->nw_last = nw_to_net(net_data->nww_last, net_data);
+	if (!net_data->nw_stayopen)
+		endnetent();
+	return (net_data->nw_last);
+}
+
+
+
+
+void
+setnetent_p(int stayopen, struct net_data *net_data) {
+	struct irs_nw *nw;
+
+	if (!net_data || !(nw = net_data->nw))
+		return;
+	freepvt(net_data);
+	(*nw->rewind)(nw);
+	net_data->nw_stayopen = (stayopen != 0);
+	if (stayopen == 0)
+		net_data_minimize(net_data);
+}
+
+void
+endnetent_p(struct net_data *net_data) {
+	struct irs_nw *nw;
+
+	if ((net_data != NULL) && ((nw	= net_data->nw) != NULL))
+		(*nw->minimize)(nw);
+}
+
+/* Private */
+
+static struct net_data *
+init() {
+	struct net_data *net_data;
+
+	if (!(net_data = net_data_init(NULL)))
+		goto error;
+	if (!net_data->nw) {
+		net_data->nw = (*net_data->irs->nw_map)(net_data->irs);
+
+		if (!net_data->nw || !net_data->res) {
+ error:		
+			errno = EIO;
+			return (NULL);
+		}
+		(*net_data->nw->res_set)(net_data->nw, net_data->res, NULL);
+	}
+	
+	return (net_data);
+}
+
+static void
+freepvt(struct net_data *net_data) {
+	if (net_data->nw_data) {
+		free(net_data->nw_data);
+		net_data->nw_data = NULL;
+	}
+}
+
+static struct netent *
+fakeaddr(const char *name, int af, struct net_data *net_data) {
+	struct pvt *pvt;
+	const char *cp;
+	u_long tmp;
+
+	if (af != AF_INET) {
+		/* XXX should support IPv6 some day */
+		errno = EAFNOSUPPORT;
+		RES_SET_H_ERRNO(net_data->res, NETDB_INTERNAL);
+		return (NULL);
+	}
+	if (!isascii((unsigned char)(name[0])) ||
+	    !isdigit((unsigned char)(name[0])))
+		return (NULL);
+	for (cp = name; *cp; ++cp)
+		if (!isascii(*cp) || (!isdigit((unsigned char)*cp) && *cp != '.'))
+			return (NULL);
+	if (*--cp == '.')
+		return (NULL);
+
+	/* All-numeric, no dot at the end. */
+
+	tmp = inet_network(name);
+	if (tmp == INADDR_NONE) {
+		RES_SET_H_ERRNO(net_data->res, HOST_NOT_FOUND);
+		return (NULL);
+	}
+
+	/* Valid network number specified.
+	 * Fake up a netent as if we'd actually
+	 * done a lookup.
+	 */
+	freepvt(net_data);
+	net_data->nw_data = malloc(sizeof (struct pvt));
+	if (!net_data->nw_data) {
+		errno = ENOMEM;
+		RES_SET_H_ERRNO(net_data->res, NETDB_INTERNAL);
+		return (NULL);
+	}
+	pvt = net_data->nw_data;
+
+	strncpy(pvt->name, name, MAXDNAME);
+	pvt->name[MAXDNAME] = '\0';
+	pvt->netent.n_name = pvt->name;
+	pvt->netent.n_addrtype = AF_INET;
+	pvt->netent.n_aliases = pvt->aliases;
+	pvt->aliases[0] = NULL;
+	pvt->netent.n_net = tmp;
+
+	return (&pvt->netent);
+}
+
+static struct netent *
+nw_to_net(struct nwent *nwent, struct net_data *net_data) {
+	struct pvt *pvt;
+	u_long addr = 0;
+	int i;
+	int msbyte;
+
+	if (!nwent || nwent->n_addrtype != AF_INET)
+		return (NULL);
+	freepvt(net_data);
+	net_data->nw_data = malloc(sizeof (struct pvt));
+	if (!net_data->nw_data) {
+		errno = ENOMEM;
+		RES_SET_H_ERRNO(net_data->res, NETDB_INTERNAL);
+		return (NULL);
+	}
+	pvt = net_data->nw_data;
+	pvt->netent.n_name = nwent->n_name;
+	pvt->netent.n_aliases = nwent->n_aliases;
+	pvt->netent.n_addrtype = nwent->n_addrtype;
+
+/*%
+ * What this code does: Converts net addresses from network to host form.
+ *
+ * msbyte: the index of the most significant byte in the n_addr array.
+ *
+ * Shift bytes in significant order into addr. When all signicant
+ * bytes are in, zero out bits in the LSB that are not part of the network.
+ */
+	msbyte = nwent->n_length / 8 +
+		((nwent->n_length % 8) != 0 ? 1 : 0) - 1;
+	for (i = 0; i <= msbyte; i++)
+		addr = (addr << 8) | ((unsigned char *)nwent->n_addr)[i];
+	i = (32 - nwent->n_length) % 8;
+	if (i != 0)
+		addr &= ~((1 << (i + 1)) - 1);
+	pvt->netent.n_net = addr;
+	return (&pvt->netent);
+}
+
+#endif /*__BIND_NOSTATIC*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/getnetent_r.c b/usr/src/lib/libresolv2_joy/common/irs/getnetent_r.c
new file mode 100644
index 0000000000..9fb52bc394
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/getnetent_r.c
@@ -0,0 +1,234 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1998-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: getnetent_r.c,v 1.6 2005/09/03 12:41:38 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <port_before.h>
+#if !defined(_REENTRANT) || !defined(DO_PTHREADS)
+	static int getnetent_r_not_required = 0;
+#else
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <sys/param.h>
+#include <port_after.h>
+
+#ifdef NET_R_RETURN
+
+static NET_R_RETURN 
+copy_netent(struct netent *, struct netent *, NET_R_COPY_ARGS);
+
+NET_R_RETURN
+getnetbyname_r(const char *name,  struct netent *nptr, NET_R_ARGS) {
+	struct netent *ne = getnetbyname(name);
+#ifdef NET_R_SETANSWER
+	int n = 0;
+
+	if (ne == NULL || (n = copy_netent(ne, nptr, NET_R_COPY)) != 0)
+		*answerp = NULL;
+	else
+		*answerp = ne;
+	if (ne == NULL)
+		*h_errnop = h_errno;
+	return (n);
+#else
+	if (ne == NULL)
+		return (NET_R_BAD);
+
+	return (copy_netent(ne, nptr, NET_R_COPY));
+#endif
+}
+
+#ifndef GETNETBYADDR_ADDR_T
+#define GETNETBYADDR_ADDR_T long
+#endif
+NET_R_RETURN
+getnetbyaddr_r(GETNETBYADDR_ADDR_T addr, int type, struct netent *nptr, NET_R_ARGS) {
+	struct netent *ne = getnetbyaddr(addr, type);
+#ifdef NET_R_SETANSWER
+	int n = 0;
+
+	if (ne == NULL || (n = copy_netent(ne, nptr, NET_R_COPY)) != 0)
+		*answerp = NULL;
+	else
+		*answerp = ne;
+	if (ne == NULL)
+		*h_errnop = h_errno;
+	return (n);
+#else
+
+	if (ne == NULL)
+		return (NET_R_BAD);
+
+	return (copy_netent(ne, nptr, NET_R_COPY));
+#endif
+}
+
+/*%
+ *	These assume a single context is in operation per thread.
+ *	If this is not the case we will need to call irs directly
+ *	rather than through the base functions.
+ */
+
+NET_R_RETURN
+getnetent_r(struct netent *nptr, NET_R_ARGS) {
+	struct netent *ne = getnetent();
+#ifdef NET_R_SETANSWER
+	int n = 0;
+
+	if (ne == NULL || (n = copy_netent(ne, nptr, NET_R_COPY)) != 0)
+		*answerp = NULL;
+	else
+		*answerp = ne;
+	if (ne == NULL)
+		*h_errnop = h_errno;
+	return (n);
+#else
+
+	if (ne == NULL)
+		return (NET_R_BAD);
+
+	return (copy_netent(ne, nptr, NET_R_COPY));
+#endif
+}
+
+NET_R_SET_RETURN
+#ifdef NET_R_ENT_ARGS
+setnetent_r(int stay_open, NET_R_ENT_ARGS)
+#else
+setnetent_r(int stay_open)
+#endif
+{
+#ifdef NET_R_ENT_ARGS
+	UNUSED(ndptr);
+#endif
+	setnetent(stay_open);
+#ifdef NET_R_SET_RESULT
+	return (NET_R_SET_RESULT);
+#endif
+}
+
+NET_R_END_RETURN
+#ifdef NET_R_ENT_ARGS
+endnetent_r(NET_R_ENT_ARGS)
+#else
+endnetent_r()
+#endif
+{
+#ifdef NET_R_ENT_ARGS
+	UNUSED(ndptr);
+#endif
+	endnetent();
+	NET_R_END_RESULT(NET_R_OK);
+}
+
+/* Private */
+
+#ifndef NETENT_DATA
+static NET_R_RETURN
+copy_netent(struct netent *ne, struct netent *nptr, NET_R_COPY_ARGS) {
+	char *cp;
+	int i, n;
+	int numptr, len;
+
+	/* Find out the amount of space required to store the answer. */
+	numptr = 1; /*%< NULL ptr */
+	len = (char *)ALIGN(buf) - buf;
+	for (i = 0; ne->n_aliases[i]; i++, numptr++) {
+		len += strlen(ne->n_aliases[i]) + 1;
+	}
+	len += strlen(ne->n_name) + 1;
+	len += numptr * sizeof(char*);
+	
+	if (len > (int)buflen) {
+		errno = ERANGE;
+		return (NET_R_BAD);
+	}
+
+	/* copy net value and type */
+	nptr->n_addrtype = ne->n_addrtype;
+	nptr->n_net = ne->n_net;
+
+	cp = (char *)ALIGN(buf) + numptr * sizeof(char *);
+
+	/* copy official name */
+	n = strlen(ne->n_name) + 1;
+	strcpy(cp, ne->n_name);
+	nptr->n_name = cp;
+	cp += n;
+
+	/* copy aliases */
+	nptr->n_aliases = (char **)ALIGN(buf);
+	for (i = 0 ; ne->n_aliases[i]; i++) {
+		n = strlen(ne->n_aliases[i]) + 1;
+		strcpy(cp, ne->n_aliases[i]);
+		nptr->n_aliases[i] = cp;
+		cp += n;
+	}
+	nptr->n_aliases[i] = NULL;
+
+	return (NET_R_OK);
+}
+#else /* !NETENT_DATA */
+static int
+copy_netent(struct netent *ne, struct netent *nptr, NET_R_COPY_ARGS) {
+	char *cp, *eob;
+	int i, n;
+
+	/* copy net value and type */
+	nptr->n_addrtype = ne->n_addrtype;
+	nptr->n_net = ne->n_net;
+
+	/* copy official name */
+	cp = ndptr->line;
+	eob = ndptr->line + sizeof(ndptr->line);
+	if ((n = strlen(ne->n_name) + 1) < (eob - cp)) {
+		strcpy(cp, ne->n_name);
+		nptr->n_name = cp;
+		cp += n;
+	} else {
+		return (-1);
+	}
+
+	/* copy aliases */
+	i = 0;
+	nptr->n_aliases = ndptr->net_aliases;
+	while (ne->n_aliases[i] && i < (_MAXALIASES-1)) {
+		if ((n = strlen(ne->n_aliases[i]) + 1) < (eob - cp)) {
+			strcpy(cp, ne->n_aliases[i]);
+			nptr->n_aliases[i] = cp;
+			cp += n;
+		} else {
+			break;
+		}
+		i++;
+	}
+	nptr->n_aliases[i] = NULL;
+
+	return (NET_R_OK);
+}
+#endif /* !NETENT_DATA */
+#else /* NET_R_RETURN */
+	static int getnetent_r_unknown_system = 0;
+#endif /* NET_R_RETURN */
+#endif /* !defined(_REENTRANT) || !defined(DO_PTHREADS) */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/getnetgrent.c b/usr/src/lib/libresolv2_joy/common/irs/getnetgrent.c
new file mode 100644
index 0000000000..40b3e5a8ad
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/getnetgrent.c
@@ -0,0 +1,160 @@
+/*
+ * Copyright (C) 2004, 2005, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1996-1999, 2001, 2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: getnetgrent.c,v 1.6 2008/11/14 02:36:51 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/* Imports */
+
+#include "port_before.h"
+
+#if !defined(__BIND_NOSTATIC)
+
+#include <sys/types.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_data.h"
+
+/* Forward */
+
+static struct net_data *init(void);
+
+
+/* Public */
+
+#ifndef SETNETGRENT_ARGS
+#define SETNETGRENT_ARGS const char *netgroup
+#endif
+void
+setnetgrent(SETNETGRENT_ARGS) {
+	struct net_data *net_data = init();
+
+	setnetgrent_p(netgroup, net_data);
+}
+
+void
+endnetgrent(void) {
+	struct net_data *net_data = init();
+
+	endnetgrent_p(net_data);
+}
+
+#ifndef INNETGR_ARGS
+#define INNETGR_ARGS const char *netgroup, const char *host, \
+		     const char *user, const char *domain
+#endif
+int
+innetgr(INNETGR_ARGS) {
+	struct net_data *net_data = init();
+
+	return (innetgr_p(netgroup, host, user, domain, net_data));
+}
+
+int
+getnetgrent(NGR_R_CONST char **host, NGR_R_CONST char **user,
+	    NGR_R_CONST char **domain)
+{
+	struct net_data *net_data = init();
+	const char *ch, *cu, *cd;
+	int ret;
+
+	ret = getnetgrent_p(&ch, &cu, &cd, net_data);
+	if (ret != 1)
+		return (ret);
+
+	DE_CONST(ch, *host);
+	DE_CONST(cu, *user);
+	DE_CONST(cd, *domain);
+	return (ret);
+}
+
+/* Shared private. */
+
+void
+setnetgrent_p(const char *netgroup, struct net_data *net_data) {
+	struct irs_ng *ng;
+
+	if ((net_data != NULL) && ((ng = net_data->ng) != NULL))
+		(*ng->rewind)(ng, netgroup);
+}
+
+void
+endnetgrent_p(struct net_data *net_data) {
+	struct irs_ng *ng;
+
+	if (!net_data)
+		return;
+	if ((ng = net_data->ng) != NULL)
+		(*ng->close)(ng);
+	net_data->ng = NULL;
+}
+
+int
+innetgr_p(const char *netgroup, const char *host,
+	  const char *user, const char *domain,
+	  struct net_data *net_data) {
+	struct irs_ng *ng;
+
+	if (!net_data || !(ng = net_data->ng))
+		return (0);
+	return ((*ng->test)(ng, netgroup, host, user, domain));
+}
+
+int
+getnetgrent_p(const char **host, const char **user, const char **domain,
+	      struct net_data *net_data ) {
+	struct irs_ng *ng;
+
+	if (!net_data || !(ng = net_data->ng))
+		return (0);
+	return ((*ng->next)(ng, host, user, domain));
+}
+
+/* Private */
+
+static struct net_data *
+init(void) {
+	struct net_data *net_data;
+
+	if (!(net_data = net_data_init(NULL)))
+		goto error;
+	if (!net_data->ng) {
+		net_data->ng = (*net_data->irs->ng_map)(net_data->irs);
+		if (!net_data->ng) {
+  error:
+			errno = EIO;
+			return (NULL);
+		}
+	}
+
+	return (net_data);
+}
+
+#endif /*__BIND_NOSTATIC*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/getnetgrent_r.c b/usr/src/lib/libresolv2_joy/common/irs/getnetgrent_r.c
new file mode 100644
index 0000000000..aa8810320d
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/getnetgrent_r.c
@@ -0,0 +1,219 @@
+/*
+ * Copyright (C) 2004, 2005, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1998, 1999, 2001, 2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: getnetgrent_r.c,v 1.14 2008/11/14 02:36:51 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <port_before.h>
+#if !defined(_REENTRANT) || !defined(DO_PTHREADS)
+	static int getnetgrent_r_not_required = 0;
+#else
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <stdlib.h>
+#include <port_after.h>
+
+#ifdef NGR_R_RETURN
+#ifndef NGR_R_PRIVATE
+#define NGR_R_PRIVATE 0
+#endif
+
+static NGR_R_RETURN
+copy_protoent(NGR_R_CONST char **, NGR_R_CONST char **, NGR_R_CONST char **,
+	      const char *, const char *, const char *, NGR_R_COPY_ARGS);
+
+NGR_R_RETURN
+innetgr_r(const char *netgroup, const char *host, const char *user,
+	  const char *domain) {
+	char *ng, *ho, *us, *dom;
+
+	DE_CONST(netgroup, ng);
+	DE_CONST(host, ho);
+	DE_CONST(user, us);
+	DE_CONST(domain, dom);
+
+	return (innetgr(ng, ho, us, dom));
+}
+
+/*%
+ *	These assume a single context is in operation per thread.
+ *	If this is not the case we will need to call irs directly
+ *	rather than through the base functions.
+ */
+
+NGR_R_RETURN
+getnetgrent_r(NGR_R_CONST char **machinep, NGR_R_CONST char **userp,
+	      NGR_R_CONST char **domainp, NGR_R_ARGS)
+{
+	NGR_R_CONST char *mp, *up, *dp;
+	int res = getnetgrent(&mp, &up, &dp);
+
+	if (res != 1)
+		return (res);
+
+	return (copy_protoent(machinep, userp, domainp,
+				mp, up, dp, NGR_R_COPY));
+}
+
+#if NGR_R_PRIVATE == 2
+struct private {
+	char *buf;
+};
+
+#endif
+NGR_R_SET_RETURN
+#ifdef NGR_R_SET_ARGS
+setnetgrent_r(NGR_R_SET_CONST char *netgroup, NGR_R_SET_ARGS)
+#else
+setnetgrent_r(NGR_R_SET_CONST char *netgroup)
+#endif
+{
+#if NGR_R_PRIVATE == 2
+	struct private *p;
+#endif
+	char *tmp;
+#if defined(NGR_R_SET_ARGS) && NGR_R_PRIVATE == 0
+	UNUSED(buf);
+	UNUSED(buflen);
+#endif
+
+	DE_CONST(netgroup, tmp);
+	setnetgrent(tmp);
+
+#if NGR_R_PRIVATE == 1
+	*buf = NULL;
+#elif NGR_R_PRIVATE == 2
+	*buf = p = malloc(sizeof(struct private));
+	if (p == NULL)
+#ifdef NGR_R_SET_RESULT
+		return (NGR_R_BAD);
+#else
+		return;
+#endif
+	p->buf = NULL;
+#endif
+#ifdef NGR_R_SET_RESULT
+	return (NGR_R_SET_RESULT);
+#endif
+}
+
+NGR_R_END_RETURN
+#ifdef NGR_R_END_ARGS
+endnetgrent_r(NGR_R_END_ARGS)
+#else
+endnetgrent_r(void)
+#endif
+{
+#if NGR_R_PRIVATE == 2
+	struct private *p = buf;
+#endif
+#if defined(NGR_R_SET_ARGS) && NGR_R_PRIVATE == 0
+	UNUSED(buf);
+	UNUSED(buflen);
+#endif
+
+	endnetgrent();
+#if NGR_R_PRIVATE == 1
+	if (*buf != NULL)
+		free(*buf);
+	*buf = NULL;
+#elif NGR_R_PRIVATE == 2
+	if (p->buf != NULL)
+		free(p->buf);
+	free(p);
+#endif
+	NGR_R_END_RESULT(NGR_R_OK);
+}
+
+/* Private */
+
+static int
+copy_protoent(NGR_R_CONST char **machinep, NGR_R_CONST char **userp,
+	      NGR_R_CONST char **domainp, const char *mp, const char *up,
+	      const char *dp, NGR_R_COPY_ARGS)
+{
+#if NGR_R_PRIVATE == 2
+	struct private *p = buf;
+#endif
+	char *cp;
+	int n;
+	int len;
+
+	/* Find out the amount of space required to store the answer. */
+	len = 0;
+	if (mp != NULL) len += strlen(mp) + 1;
+	if (up != NULL) len += strlen(up) + 1;
+	if (dp != NULL) len += strlen(dp) + 1;
+
+#if NGR_R_PRIVATE == 1
+	if (*buf != NULL)
+		free(*buf);
+	*buf = malloc(len);
+	if (*buf == NULL)
+		return(NGR_R_BAD);
+	cp = *buf;
+#elif NGR_R_PRIVATE == 2
+	if (p->buf)
+		free(p->buf);
+	p->buf = malloc(len);
+	if (p->buf == NULL)
+		return(NGR_R_BAD);
+	cp = p->buf;
+#else
+	if (len > (int)buflen) {
+		errno = ERANGE;
+		return (NGR_R_BAD);
+	}
+	cp = buf;
+#endif
+
+	if (mp != NULL) {
+		n = strlen(mp) + 1;
+		strcpy(cp, mp);
+		*machinep = cp;
+		cp += n;
+	} else
+		*machinep = NULL;
+
+	if (up != NULL) {
+		n = strlen(up) + 1;
+		strcpy(cp, up);
+		*userp = cp;
+		cp += n;
+	} else
+		*userp = NULL;
+
+	if (dp != NULL) {
+		n = strlen(dp) + 1;
+		strcpy(cp, dp);
+		*domainp = cp;
+		cp += n;
+	} else
+		*domainp = NULL;
+
+	return (NGR_R_OK);
+}
+#else /* NGR_R_RETURN */
+	static int getnetgrent_r_unknown_system = 0;
+#endif /* NGR_R_RETURN */
+#endif /* !defined(_REENTRANT) || !defined(DO_PTHREADS) */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/getprotoent.c b/usr/src/lib/libresolv2_joy/common/irs/getprotoent.c
new file mode 100644
index 0000000000..32a1040916
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/getprotoent.c
@@ -0,0 +1,176 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: getprotoent.c,v 1.4 2005/04/27 04:56:26 sra Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#if !defined(__BIND_NOSTATIC)
+
+#include <sys/types.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_data.h"
+
+/* Forward */
+
+static struct net_data *init(void);
+
+/* Public */
+
+struct protoent *
+getprotoent() {
+	struct net_data *net_data = init();
+
+	return (getprotoent_p(net_data));
+}
+
+struct protoent *
+getprotobyname(const char *name) {
+	struct net_data *net_data = init();
+
+	return (getprotobyname_p(name, net_data));
+}
+
+struct protoent *
+getprotobynumber(int proto) {
+	struct net_data *net_data = init();
+
+	return (getprotobynumber_p(proto, net_data));
+}
+
+void
+setprotoent(int stayopen) {
+	struct net_data *net_data = init();
+
+	setprotoent_p(stayopen, net_data);
+}
+
+void
+endprotoent() {
+	struct net_data *net_data = init();
+
+	endprotoent_p(net_data);
+}
+
+/* Shared private. */
+
+struct protoent *
+getprotoent_p(struct net_data *net_data) {
+	struct irs_pr *pr;
+
+	if (!net_data || !(pr = net_data->pr))
+		return (NULL);
+	net_data->pr_last = (*pr->next)(pr);
+	return (net_data->pr_last);
+}
+
+struct protoent *
+getprotobyname_p(const char *name, struct net_data *net_data) {
+	struct irs_pr *pr;
+	char **pap;
+
+	if (!net_data || !(pr = net_data->pr))
+		return (NULL);
+	if (net_data->pr_stayopen && net_data->pr_last) {
+		if (!strcmp(net_data->pr_last->p_name, name))
+			return (net_data->pr_last);
+		for (pap = net_data->pr_last->p_aliases; pap && *pap; pap++)
+			if (!strcmp(name, *pap))
+				return (net_data->pr_last);
+	}
+	net_data->pr_last = (*pr->byname)(pr, name);
+	if (!net_data->pr_stayopen)
+		endprotoent();
+	return (net_data->pr_last);
+}
+
+struct protoent *
+getprotobynumber_p(int proto, struct net_data *net_data) {
+	struct irs_pr *pr;
+
+	if (!net_data || !(pr = net_data->pr))
+		return (NULL);
+	if (net_data->pr_stayopen && net_data->pr_last)
+		if (net_data->pr_last->p_proto == proto)
+			return (net_data->pr_last);
+	net_data->pr_last = (*pr->bynumber)(pr, proto);
+	if (!net_data->pr_stayopen)
+		endprotoent();
+	return (net_data->pr_last);
+}
+
+void
+setprotoent_p(int stayopen, struct net_data *net_data) {
+	struct irs_pr *pr;
+
+	if (!net_data || !(pr = net_data->pr))
+		return;
+	(*pr->rewind)(pr);
+	net_data->pr_stayopen = (stayopen != 0);
+	if (stayopen == 0)
+		net_data_minimize(net_data);
+}
+
+void
+endprotoent_p(struct net_data *net_data) {
+	struct irs_pr *pr;
+
+	if ((net_data != NULL) && ((pr = net_data->pr) != NULL))
+		(*pr->minimize)(pr);
+}
+
+/* Private */
+
+static struct net_data *
+init() {
+	struct net_data *net_data;
+
+	if (!(net_data = net_data_init(NULL)))
+		goto error;
+	if (!net_data->pr) {
+		net_data->pr = (*net_data->irs->pr_map)(net_data->irs);
+
+		if (!net_data->pr || !net_data->res) {
+ error:		
+			errno = EIO;
+			return (NULL);
+		}
+		(*net_data->pr->res_set)(net_data->pr, net_data->res, NULL);
+	}
+	
+	return (net_data);
+}
+
+#endif /*__BIND_NOSTATIC*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/getprotoent_r.c b/usr/src/lib/libresolv2_joy/common/irs/getprotoent_r.c
new file mode 100644
index 0000000000..d5d9ae53b6
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/getprotoent_r.c
@@ -0,0 +1,223 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1998-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: getprotoent_r.c,v 1.6 2006/08/01 01:14:16 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <port_before.h>
+#if !defined(_REENTRANT) || !defined(DO_PTHREADS)
+	static int getprotoent_r_not_required = 0;
+#else
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <port_after.h>
+
+#ifdef PROTO_R_RETURN
+
+static PROTO_R_RETURN 
+copy_protoent(struct protoent *, struct protoent *, PROTO_R_COPY_ARGS);
+
+PROTO_R_RETURN
+getprotobyname_r(const char *name, struct protoent *pptr, PROTO_R_ARGS) {
+	struct protoent *pe = getprotobyname(name);
+#ifdef PROTO_R_SETANSWER
+	int n = 0;
+
+	if (pe == NULL || (n = copy_protoent(pe, pptr, PROTO_R_COPY)) != 0)
+		*answerp = NULL;
+	else
+		*answerp = pptr;
+	
+	return (n);
+#else
+	if (pe == NULL)
+		return (PROTO_R_BAD);
+
+	return (copy_protoent(pe, pptr, PROTO_R_COPY));
+#endif
+}
+
+PROTO_R_RETURN
+getprotobynumber_r(int proto, struct protoent *pptr, PROTO_R_ARGS) {
+	struct protoent *pe = getprotobynumber(proto);
+#ifdef PROTO_R_SETANSWER
+	int n = 0;
+
+	if (pe == NULL || (n = copy_protoent(pe, pptr, PROTO_R_COPY)) != 0)
+		*answerp = NULL;
+	else
+		*answerp = pptr;
+	
+	return (n);
+#else
+	if (pe == NULL)
+		return (PROTO_R_BAD);
+
+	return (copy_protoent(pe, pptr, PROTO_R_COPY));
+#endif
+}
+
+/*%
+ *	These assume a single context is in operation per thread.
+ *	If this is not the case we will need to call irs directly
+ *	rather than through the base functions.
+ */
+
+PROTO_R_RETURN
+getprotoent_r(struct protoent *pptr, PROTO_R_ARGS) {
+	struct protoent *pe = getprotoent();
+#ifdef PROTO_R_SETANSWER
+	int n = 0;
+
+	if (pe == NULL || (n = copy_protoent(pe, pptr, PROTO_R_COPY)) != 0)
+		*answerp = NULL;
+	else
+		*answerp = pptr;
+	
+	return (n);
+#else
+	if (pe == NULL)
+		return (PROTO_R_BAD);
+
+	return (copy_protoent(pe, pptr, PROTO_R_COPY));
+#endif
+}
+
+PROTO_R_SET_RETURN
+#ifdef PROTO_R_ENT_ARGS
+setprotoent_r(int stay_open, PROTO_R_ENT_ARGS)
+#else
+setprotoent_r(int stay_open)
+#endif
+{
+#ifdef PROTO_R_ENT_UNUSED
+        PROTO_R_ENT_UNUSED;
+#endif
+	setprotoent(stay_open);
+#ifdef PROTO_R_SET_RESULT
+	return (PROTO_R_SET_RESULT);
+#endif
+}
+
+PROTO_R_END_RETURN
+#ifdef PROTO_R_ENT_ARGS
+endprotoent_r(PROTO_R_ENT_ARGS)
+#else
+endprotoent_r()
+#endif
+{
+#ifdef PROTO_R_ENT_UNUSED
+        PROTO_R_ENT_UNUSED;
+#endif
+	endprotoent();
+	PROTO_R_END_RESULT(PROTO_R_OK);
+}
+
+/* Private */
+
+#ifndef PROTOENT_DATA
+static PROTO_R_RETURN
+copy_protoent(struct protoent *pe, struct protoent *pptr, PROTO_R_COPY_ARGS) {
+	char *cp;
+	int i, n;
+	int numptr, len;
+
+	/* Find out the amount of space required to store the answer. */
+	numptr = 1; /*%< NULL ptr */
+	len = (char *)ALIGN(buf) - buf;
+	for (i = 0; pe->p_aliases[i]; i++, numptr++) {
+		len += strlen(pe->p_aliases[i]) + 1;
+	}
+	len += strlen(pe->p_name) + 1;
+	len += numptr * sizeof(char*);
+	
+	if (len > (int)buflen) {
+		errno = ERANGE;
+		return (PROTO_R_BAD);
+	}
+
+	/* copy protocol value*/
+	pptr->p_proto = pe->p_proto;
+
+	cp = (char *)ALIGN(buf) + numptr * sizeof(char *);
+
+	/* copy official name */
+	n = strlen(pe->p_name) + 1;
+	strcpy(cp, pe->p_name);
+	pptr->p_name = cp;
+	cp += n;
+
+	/* copy aliases */
+	pptr->p_aliases = (char **)ALIGN(buf);
+	for (i = 0 ; pe->p_aliases[i]; i++) {
+		n = strlen(pe->p_aliases[i]) + 1;
+		strcpy(cp, pe->p_aliases[i]);
+		pptr->p_aliases[i] = cp;
+		cp += n;
+	}
+	pptr->p_aliases[i] = NULL;
+
+	return (PROTO_R_OK);
+}
+#else /* !PROTOENT_DATA */
+static int
+copy_protoent(struct protoent *pe, struct protoent *pptr, PROTO_R_COPY_ARGS) {
+	char *cp, *eob;
+	int i, n;
+
+	/* copy protocol value */
+	pptr->p_proto = pe->p_proto;
+
+	/* copy official name */
+	cp = pdptr->line;
+	eob = pdptr->line + sizeof(pdptr->line);
+	if ((n = strlen(pe->p_name) + 1) < (eob - cp)) {
+		strcpy(cp, pe->p_name);
+		pptr->p_name = cp;
+		cp += n;
+	} else {
+		return (-1);
+	}
+
+	/* copy aliases */
+	i = 0;
+	pptr->p_aliases = pdptr->proto_aliases;
+	while (pe->p_aliases[i] && i < (_MAXALIASES-1)) {
+		if ((n = strlen(pe->p_aliases[i]) + 1) < (eob - cp)) {
+			strcpy(cp, pe->p_aliases[i]);
+			pptr->p_aliases[i] = cp;
+			cp += n;
+		} else {
+			break;
+		}
+		i++;
+	}
+	pptr->p_aliases[i] = NULL;
+
+	return (PROTO_R_OK);
+}
+#endif /* PROTOENT_DATA */
+#else /* PROTO_R_RETURN */
+	static int getprotoent_r_unknown_system = 0;
+#endif /* PROTO_R_RETURN */
+#endif /* !defined(_REENTRANT) || !defined(DO_PTHREADS) */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/getservent.c b/usr/src/lib/libresolv2_joy/common/irs/getservent.c
new file mode 100644
index 0000000000..31af67e659
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/getservent.c
@@ -0,0 +1,179 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: getservent.c,v 1.4 2005/04/27 04:56:26 sra Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#if !defined(__BIND_NOSTATIC)
+
+#include <sys/types.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_data.h"
+
+/* Forward */
+
+static struct net_data *init(void);
+
+/* Public */
+
+struct servent *
+getservent(void) {
+	struct net_data *net_data = init();
+
+	return (getservent_p(net_data));
+}
+
+struct servent *
+getservbyname(const char *name, const char *proto) {
+	struct net_data *net_data = init();
+
+	return (getservbyname_p(name, proto, net_data));
+}
+
+struct servent *
+getservbyport(int port, const char *proto) {
+	struct net_data *net_data = init();
+
+	return (getservbyport_p(port, proto, net_data));
+}
+
+void
+setservent(int stayopen) {
+	struct net_data *net_data = init();
+
+	setservent_p(stayopen, net_data);
+}
+
+void
+endservent() {
+	struct net_data *net_data = init();
+
+	endservent_p(net_data);
+}
+
+/* Shared private. */
+
+struct servent *
+getservent_p(struct net_data *net_data) {
+	struct irs_sv *sv;
+
+	if (!net_data || !(sv = net_data->sv))
+		return (NULL);
+	net_data->sv_last = (*sv->next)(sv);
+	return (net_data->sv_last);
+}
+
+struct servent *
+getservbyname_p(const char *name, const char *proto,
+		struct net_data *net_data) {
+	struct irs_sv *sv;
+	char **sap;
+
+	if (!net_data || !(sv = net_data->sv))
+		return (NULL);
+	if (net_data->sv_stayopen && net_data->sv_last)
+		if (!proto || !strcmp(net_data->sv_last->s_proto, proto)) {
+			if (!strcmp(net_data->sv_last->s_name, name))
+				return (net_data->sv_last);
+			for (sap = net_data->sv_last->s_aliases;
+			     sap && *sap; sap++)
+				if (!strcmp(name, *sap))
+					return (net_data->sv_last);
+		}
+	net_data->sv_last = (*sv->byname)(sv, name, proto);
+	if (!net_data->sv_stayopen)
+		endservent();
+	return (net_data->sv_last);
+}
+
+struct servent *
+getservbyport_p(int port, const char *proto, struct net_data *net_data) {
+	struct irs_sv *sv;
+
+	if (!net_data || !(sv = net_data->sv))
+		return (NULL);
+	if (net_data->sv_stayopen && net_data->sv_last)
+		if (port == net_data->sv_last->s_port &&
+		    ( !proto ||
+		     !strcmp(net_data->sv_last->s_proto, proto)))
+			return (net_data->sv_last);
+	net_data->sv_last = (*sv->byport)(sv, port, proto);
+	return (net_data->sv_last);
+}
+
+void
+setservent_p(int stayopen, struct net_data *net_data) {
+	struct irs_sv *sv;
+
+	if (!net_data || !(sv = net_data->sv))
+		return;
+	(*sv->rewind)(sv);
+	net_data->sv_stayopen = (stayopen != 0);
+	if (stayopen == 0)
+		net_data_minimize(net_data);
+}
+
+void
+endservent_p(struct net_data *net_data) {
+	struct irs_sv *sv;
+
+	if ((net_data != NULL) && ((sv = net_data->sv) != NULL))
+		(*sv->minimize)(sv);
+}
+
+/* Private */
+
+static struct net_data *
+init() {
+	struct net_data *net_data;
+
+	if (!(net_data = net_data_init(NULL)))
+		goto error;
+	if (!net_data->sv) {
+		net_data->sv = (*net_data->irs->sv_map)(net_data->irs);
+
+		if (!net_data->sv || !net_data->res) {
+ error:		
+			errno = EIO;
+			return (NULL);
+		}
+		(*net_data->sv->res_set)(net_data->sv, net_data->res, NULL);
+	}
+	
+	return (net_data);
+}
+
+#endif /*__BIND_NOSTATIC*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/getservent_r.c b/usr/src/lib/libresolv2_joy/common/irs/getservent_r.c
new file mode 100644
index 0000000000..42d1e46163
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/getservent_r.c
@@ -0,0 +1,242 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1998-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: getservent_r.c,v 1.6 2006/08/01 01:14:16 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <port_before.h>
+#if !defined(_REENTRANT) || !defined(DO_PTHREADS)
+	static int getservent_r_not_required = 0;
+#else
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <sys/param.h>
+#include <port_after.h>
+
+#ifdef SERV_R_RETURN
+
+static SERV_R_RETURN 
+copy_servent(struct servent *, struct servent *, SERV_R_COPY_ARGS);
+
+SERV_R_RETURN
+getservbyname_r(const char *name, const char *proto,
+		struct servent *sptr, SERV_R_ARGS) {
+	struct servent *se = getservbyname(name, proto);
+#ifdef SERV_R_SETANSWER
+	int n = 0;
+	
+	if (se == NULL || (n = copy_servent(se, sptr, SERV_R_COPY)) != 0)
+		*answerp = NULL;
+	else
+		*answerp = sptr;
+
+	return (n);
+#else
+	if (se == NULL)
+		return (SERV_R_BAD);
+
+	return (copy_servent(se, sptr, SERV_R_COPY));
+#endif
+}
+
+SERV_R_RETURN
+getservbyport_r(int port, const char *proto,
+		struct servent *sptr, SERV_R_ARGS) {
+	struct servent *se = getservbyport(port, proto);
+#ifdef SERV_R_SETANSWER
+	int n = 0;
+	
+	if (se == NULL || (n = copy_servent(se, sptr, SERV_R_COPY)) != 0)
+		*answerp = NULL;
+	else
+		*answerp = sptr;
+
+	return (n);
+#else
+	if (se == NULL)
+		return (SERV_R_BAD);
+
+	return (copy_servent(se, sptr, SERV_R_COPY));
+#endif
+}
+
+/*%
+ *	These assume a single context is in operation per thread.
+ *	If this is not the case we will need to call irs directly
+ *	rather than through the base functions.
+ */
+
+SERV_R_RETURN
+getservent_r(struct servent *sptr, SERV_R_ARGS) {
+	struct servent *se = getservent();
+#ifdef SERV_R_SETANSWER
+	int n = 0;
+	
+	if (se == NULL || (n = copy_servent(se, sptr, SERV_R_COPY)) != 0)
+		*answerp = NULL;
+	else
+		*answerp = sptr;
+
+	return (n);
+#else
+	if (se == NULL)
+		return (SERV_R_BAD);
+
+	return (copy_servent(se, sptr, SERV_R_COPY));
+#endif
+}
+
+SERV_R_SET_RETURN
+#ifdef SERV_R_ENT_ARGS
+setservent_r(int stay_open, SERV_R_ENT_ARGS)
+#else
+setservent_r(int stay_open)
+#endif
+{
+#ifdef SERV_R_ENT_UNUSED
+	SERV_R_ENT_UNUSED;
+#endif
+	setservent(stay_open);
+#ifdef SERV_R_SET_RESULT
+	return (SERV_R_SET_RESULT);
+#endif
+}
+
+SERV_R_END_RETURN
+#ifdef SERV_R_ENT_ARGS
+endservent_r(SERV_R_ENT_ARGS)
+#else
+endservent_r()
+#endif
+{
+#ifdef SERV_R_ENT_UNUSED
+	SERV_R_ENT_UNUSED;
+#endif
+	endservent();
+	SERV_R_END_RESULT(SERV_R_OK);
+}
+
+/* Private */
+
+#ifndef SERVENT_DATA
+static SERV_R_RETURN
+copy_servent(struct servent *se, struct servent *sptr, SERV_R_COPY_ARGS) {
+	char *cp;
+	int i, n;
+	int numptr, len;
+
+	/* Find out the amount of space required to store the answer. */
+	numptr = 1; /*%< NULL ptr */
+	len = (char *)ALIGN(buf) - buf;
+	for (i = 0; se->s_aliases[i]; i++, numptr++) {
+		len += strlen(se->s_aliases[i]) + 1;
+	}
+	len += strlen(se->s_name) + 1;
+	len += strlen(se->s_proto) + 1;
+	len += numptr * sizeof(char*);
+	
+	if (len > (int)buflen) {
+		errno = ERANGE;
+		return (SERV_R_BAD);
+	}
+
+	/* copy port value */
+	sptr->s_port = se->s_port;
+
+	cp = (char *)ALIGN(buf) + numptr * sizeof(char *);
+
+	/* copy official name */
+	n = strlen(se->s_name) + 1;
+	strcpy(cp, se->s_name);
+	sptr->s_name = cp;
+	cp += n;
+
+	/* copy aliases */
+	sptr->s_aliases = (char **)ALIGN(buf);
+	for (i = 0 ; se->s_aliases[i]; i++) {
+		n = strlen(se->s_aliases[i]) + 1;
+		strcpy(cp, se->s_aliases[i]);
+		sptr->s_aliases[i] = cp;
+		cp += n;
+	}
+	sptr->s_aliases[i] = NULL;
+
+	/* copy proto */
+	n = strlen(se->s_proto) + 1;
+	strcpy(cp, se->s_proto);
+	sptr->s_proto = cp;
+	cp += n;
+
+	return (SERV_R_OK);
+}
+#else /* !SERVENT_DATA */
+static int
+copy_servent(struct servent *se, struct servent *sptr, SERV_R_COPY_ARGS) {
+	char *cp, *eob;
+	int i, n;
+
+	/* copy port value */
+	sptr->s_port = se->s_port;
+
+	/* copy official name */
+	cp = sdptr->line;
+	eob = sdptr->line + sizeof(sdptr->line);
+	if ((n = strlen(se->s_name) + 1) < (eob - cp)) {
+		strcpy(cp, se->s_name);
+		sptr->s_name = cp;
+		cp += n;
+	} else {
+		return (-1);
+	}
+
+	/* copy aliases */
+	i = 0;
+	sptr->s_aliases = sdptr->serv_aliases;
+	while (se->s_aliases[i] && i < (_MAXALIASES-1)) {
+		if ((n = strlen(se->s_aliases[i]) + 1) < (eob - cp)) {
+			strcpy(cp, se->s_aliases[i]);
+			sptr->s_aliases[i] = cp;
+			cp += n;
+		} else {
+			break;
+		}
+		i++;
+	}
+	sptr->s_aliases[i] = NULL;
+
+	/* copy proto */
+	if ((n = strlen(se->s_proto) + 1) < (eob - cp)) {
+		strcpy(cp, se->s_proto);
+		sptr->s_proto = cp;
+		cp += n;
+	} else {
+		return (-1);
+	}
+
+	return (SERV_R_OK);
+}
+#endif /* !SERVENT_DATA */
+#else /*SERV_R_RETURN */
+	static int getservent_r_unknown_system = 0;
+#endif /*SERV_R_RETURN */
+#endif /* !defined(_REENTRANT) || !defined(DO_PTHREADS) */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/hesiod.c b/usr/src/lib/libresolv2_joy/common/irs/hesiod.c
new file mode 100644
index 0000000000..7641bf80ac
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/hesiod.c
@@ -0,0 +1,505 @@
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: hesiod.c,v 1.7 2005/07/28 06:51:48 marka Exp $";
+#endif
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+
+/*! \file
+ * \brief
+ * hesiod.c --- the core portion of the hesiod resolver.
+ *
+ * This file is derived from the hesiod library from Project Athena;
+ * It has been extensively rewritten by Theodore Ts'o to have a more
+ * thread-safe interface.
+ * \author
+ * This file is primarily maintained by &lt;tytso@mit.edu&gt; and &lt;ghudson@mit.edu&gt;.
+ */
+
+/* Imports */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "port_after.h"
+
+#include "pathnames.h"
+#include "hesiod.h"
+#include "hesiod_p.h"
+
+/* Forward */
+
+int		hesiod_init(void **context);
+void		hesiod_end(void *context);
+char *		hesiod_to_bind(void *context, const char *name,
+			       const char *type);
+char **		hesiod_resolve(void *context, const char *name,
+			       const char *type);
+void		hesiod_free_list(void *context, char **list);
+
+static int	parse_config_file(struct hesiod_p *ctx, const char *filename);
+static char **	get_txt_records(struct hesiod_p *ctx, int class,
+				const char *name);
+static int	init(struct hesiod_p *ctx);
+
+/* Public */
+
+/*%
+ * This function is called to initialize a hesiod_p.
+ */
+int
+hesiod_init(void **context) {
+	struct hesiod_p *ctx;
+	char *cp;
+
+	ctx = malloc(sizeof(struct hesiod_p));
+	if (ctx == 0) {
+		errno = ENOMEM;
+		return (-1);
+	}
+
+	memset(ctx, 0, sizeof (*ctx));
+
+	if (parse_config_file(ctx, _PATH_HESIOD_CONF) < 0) {
+#ifdef DEF_RHS
+		/*
+		 * Use compiled in defaults.
+		 */
+		ctx->LHS = malloc(strlen(DEF_LHS) + 1);
+		ctx->RHS = malloc(strlen(DEF_RHS) + 1);
+		if (ctx->LHS == NULL || ctx->RHS == NULL) {
+			errno = ENOMEM;
+			goto cleanup;
+		}
+		strcpy(ctx->LHS, DEF_LHS);	/* (checked) */
+		strcpy(ctx->RHS, DEF_RHS);	/* (checked) */
+#else
+		goto cleanup;
+#endif
+	}
+	/*
+	 * The default RHS can be overridden by an environment
+	 * variable.
+	 */
+	if ((cp = getenv("HES_DOMAIN")) != NULL) {
+		size_t RHSlen = strlen(cp) + 2;
+		if (ctx->RHS)
+			free(ctx->RHS);
+		ctx->RHS = malloc(RHSlen);
+		if (!ctx->RHS) {
+			errno = ENOMEM;
+			goto cleanup;
+		}
+		if (cp[0] == '.') {
+			strcpy(ctx->RHS, cp);	/* (checked) */
+		} else {
+			strcpy(ctx->RHS, ".");	/* (checked) */
+			strcat(ctx->RHS, cp);	/* (checked) */
+		}
+	}
+
+	/*
+	 * If there is no default hesiod realm set, we return an
+	 * error.
+	 */
+	if (!ctx->RHS) {
+		errno = ENOEXEC;
+		goto cleanup;
+	}
+	
+#if 0
+	if (res_ninit(ctx->res) < 0)
+		goto cleanup;
+#endif
+
+	*context = ctx;
+	return (0);
+
+ cleanup:
+	hesiod_end(ctx);
+	return (-1);
+}
+
+/*%
+ * This function deallocates the hesiod_p
+ */
+void
+hesiod_end(void *context) {
+	struct hesiod_p *ctx = (struct hesiod_p *) context;
+	int save_errno = errno;
+
+	if (ctx->res)
+		res_nclose(ctx->res);
+	if (ctx->RHS)
+		free(ctx->RHS);
+	if (ctx->LHS)
+		free(ctx->LHS);
+	if (ctx->res && ctx->free_res)
+		(*ctx->free_res)(ctx->res);
+	free(ctx);
+	errno = save_errno;
+}
+
+/*%
+ * This function takes a hesiod (name, type) and returns a DNS
+ * name which is to be resolved.
+ */
+char *
+hesiod_to_bind(void *context, const char *name, const char *type) {
+	struct hesiod_p *ctx = (struct hesiod_p *) context;
+	char *bindname;
+	char **rhs_list = NULL;
+	const char *RHS, *cp;
+
+	/* Decide what our RHS is, and set cp to the end of the actual name. */
+	if ((cp = strchr(name, '@')) != NULL) {
+		if (strchr(cp + 1, '.'))
+			RHS = cp + 1;
+		else if ((rhs_list = hesiod_resolve(context, cp + 1,
+		    "rhs-extension")) != NULL)
+			RHS = *rhs_list;
+		else {
+			errno = ENOENT;
+			return (NULL);
+		}
+	} else {
+		RHS = ctx->RHS;
+		cp = name + strlen(name);
+	}
+
+	/*
+	 * Allocate the space we need, including up to three periods and
+	 * the terminating NUL.
+	 */
+	if ((bindname = malloc((cp - name) + strlen(type) + strlen(RHS) +
+	    (ctx->LHS ? strlen(ctx->LHS) : 0) + 4)) == NULL) {
+		errno = ENOMEM;
+		if (rhs_list)
+			hesiod_free_list(context, rhs_list);
+		return NULL;
+	}
+
+	/* Now put together the DNS name. */
+	memcpy(bindname, name, cp - name);
+	bindname[cp - name] = '\0';
+	strcat(bindname, ".");
+	strcat(bindname, type);
+	if (ctx->LHS) {
+		if (ctx->LHS[0] != '.')
+			strcat(bindname, ".");
+		strcat(bindname, ctx->LHS);
+	}
+	if (RHS[0] != '.')
+		strcat(bindname, ".");
+	strcat(bindname, RHS);
+
+	if (rhs_list)
+		hesiod_free_list(context, rhs_list);
+
+	return (bindname);
+}
+
+/*%
+ * This is the core function.  Given a hesiod (name, type), it
+ * returns an array of strings returned by the resolver.
+ */
+char **
+hesiod_resolve(void *context, const char *name, const char *type) {
+	struct hesiod_p *ctx = (struct hesiod_p *) context;
+	char *bindname = hesiod_to_bind(context, name, type);
+	char **retvec;
+
+	if (bindname == NULL)
+		return (NULL);
+	if (init(ctx) == -1) {
+		free(bindname);
+		return (NULL);
+	}
+
+	if ((retvec = get_txt_records(ctx, C_IN, bindname))) {
+		free(bindname);
+		return (retvec);
+	}
+	
+	if (errno != ENOENT)
+		return (NULL);
+
+	retvec = get_txt_records(ctx, C_HS, bindname);
+	free(bindname);
+	return (retvec);
+}
+
+void
+hesiod_free_list(void *context, char **list) {
+	char **p;
+
+	UNUSED(context);
+
+	for (p = list; *p; p++)
+		free(*p);
+	free(list);
+}
+
+/*%
+ * This function parses the /etc/hesiod.conf file
+ */
+static int
+parse_config_file(struct hesiod_p *ctx, const char *filename) {
+	char *key, *data, *cp, **cpp;
+	char buf[MAXDNAME+7];
+	FILE *fp;
+
+	/*
+	 * Clear the existing configuration variable, just in case
+	 * they're set.
+	 */
+	if (ctx->RHS)
+		free(ctx->RHS);
+	if (ctx->LHS)
+		free(ctx->LHS);
+	ctx->RHS = ctx->LHS = 0;
+
+	/*
+	 * Now open and parse the file...
+	 */
+	if (!(fp = fopen(filename, "r")))
+		return (-1);
+	
+	while (fgets(buf, sizeof(buf), fp) != NULL) {
+		cp = buf;
+		if (*cp == '#' || *cp == '\n' || *cp == '\r')
+			continue;
+		while(*cp == ' ' || *cp == '\t')
+			cp++;
+		key = cp;
+		while(*cp != ' ' && *cp != '\t' && *cp != '=')
+			cp++;
+		*cp++ = '\0';
+		
+		while(*cp == ' ' || *cp == '\t' || *cp == '=')
+			cp++;
+		data = cp;
+		while(*cp != ' ' && *cp != '\n' && *cp != '\r')
+			cp++;
+		*cp++ = '\0';
+
+		if (strcmp(key, "lhs") == 0)
+			cpp = &ctx->LHS;
+		else if (strcmp(key, "rhs") == 0)
+			cpp = &ctx->RHS;
+		else
+			continue;
+
+		*cpp = malloc(strlen(data) + 1);
+		if (!*cpp) {
+			errno = ENOMEM;
+			goto cleanup;
+		}
+		strcpy(*cpp, data);
+	}
+	fclose(fp);
+	return (0);
+	
+ cleanup:
+	fclose(fp);
+	if (ctx->RHS)
+		free(ctx->RHS);
+	if (ctx->LHS)
+		free(ctx->LHS);
+	ctx->RHS = ctx->LHS = 0;
+	return (-1);
+}
+
+/*%
+ * Given a DNS class and a DNS name, do a lookup for TXT records, and
+ * return a list of them.
+ */
+static char **
+get_txt_records(struct hesiod_p *ctx, int class, const char *name) {
+	struct {
+		int type;		/*%< RR type */
+		int class;		/*%< RR class */
+		int dlen;		/*%< len of data section */
+		u_char *data;		/*%< pointer to data */
+	} rr;
+	HEADER *hp;
+	u_char qbuf[MAX_HESRESP], abuf[MAX_HESRESP];
+	u_char *cp, *erdata, *eom;
+	char *dst, *edst, **list;
+	int ancount, qdcount;
+	int i, j, n, skip;
+
+	/*
+	 * Construct the query and send it.
+	 */
+	n = res_nmkquery(ctx->res, QUERY, name, class, T_TXT, NULL, 0,
+			 NULL, qbuf, MAX_HESRESP);
+	if (n < 0) {
+		errno = EMSGSIZE;
+		return (NULL);
+	}
+	n = res_nsend(ctx->res, qbuf, n, abuf, MAX_HESRESP);
+	if (n < 0) {
+		errno = ECONNREFUSED;
+		return (NULL);
+	}
+	if (n < HFIXEDSZ) {
+		errno = EMSGSIZE;
+		return (NULL);
+	}
+
+	/*
+	 * OK, parse the result.
+	 */
+	hp = (HEADER *) abuf;
+	ancount = ntohs(hp->ancount);
+	qdcount = ntohs(hp->qdcount);
+	cp = abuf + sizeof(HEADER);
+	eom = abuf + n;
+
+	/* Skip query, trying to get to the answer section which follows. */
+	for (i = 0; i < qdcount; i++) {
+		skip = dn_skipname(cp, eom);
+		if (skip < 0 || cp + skip + QFIXEDSZ > eom) {
+			errno = EMSGSIZE;
+			return (NULL);
+		}
+		cp += skip + QFIXEDSZ;
+	}
+
+	list = malloc((ancount + 1) * sizeof(char *));
+	if (!list) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	j = 0;
+	for (i = 0; i < ancount; i++) {
+		skip = dn_skipname(cp, eom);
+		if (skip < 0) {
+			errno = EMSGSIZE;
+			goto cleanup;
+		}
+		cp += skip;
+		if (cp + 3 * INT16SZ + INT32SZ > eom) {
+			errno = EMSGSIZE;
+			goto cleanup;
+		}
+		rr.type = ns_get16(cp);
+		cp += INT16SZ;
+		rr.class = ns_get16(cp);
+		cp += INT16SZ + INT32SZ;	/*%< skip the ttl, too */
+		rr.dlen = ns_get16(cp);
+		cp += INT16SZ;
+		if (cp + rr.dlen > eom) {
+			errno = EMSGSIZE;
+			goto cleanup;
+		}
+		rr.data = cp;
+		cp += rr.dlen;
+		if (rr.class != class || rr.type != T_TXT)
+			continue;
+		if (!(list[j] = malloc(rr.dlen)))
+			goto cleanup;
+		dst = list[j++];
+		edst = dst + rr.dlen;
+		erdata = rr.data + rr.dlen;
+		cp = rr.data;
+		while (cp < erdata) {
+			n = (unsigned char) *cp++;
+			if (cp + n > eom || dst + n > edst) {
+				errno = EMSGSIZE;
+				goto cleanup;
+			}
+			memcpy(dst, cp, n);
+			cp += n;
+			dst += n;
+		}
+		if (cp != erdata) {
+			errno = EMSGSIZE;
+			goto cleanup;
+		}
+		*dst = '\0';
+	}
+	list[j] = NULL;
+	if (j == 0) {
+		errno = ENOENT;
+		goto cleanup;
+	}
+	return (list);
+
+ cleanup:
+	for (i = 0; i < j; i++)
+		free(list[i]);
+	free(list);
+	return (NULL);
+}
+
+struct __res_state *
+__hesiod_res_get(void *context) {
+	struct hesiod_p *ctx = context;
+
+	if (!ctx->res) {
+		struct __res_state *res;
+		res = (struct __res_state *)malloc(sizeof *res);
+		if (res == NULL) {
+			errno = ENOMEM;
+			return (NULL);
+		}
+		memset(res, 0, sizeof *res);
+		__hesiod_res_set(ctx, res, free);
+	}
+
+	return (ctx->res);
+}
+
+void
+__hesiod_res_set(void *context, struct __res_state *res,
+	         void (*free_res)(void *)) {
+	struct hesiod_p *ctx = context;
+
+	if (ctx->res && ctx->free_res) {
+		res_nclose(ctx->res);
+		(*ctx->free_res)(ctx->res);
+	}
+
+	ctx->res = res;
+	ctx->free_res = free_res;
+}
+
+static int
+init(struct hesiod_p *ctx) {
+	
+	if (!ctx->res && !__hesiod_res_get(ctx))
+		return (-1);
+
+	if (((ctx->res->options & RES_INIT) == 0U) &&
+	    (res_ninit(ctx->res) == -1))
+		return (-1);
+
+	return (0);
+}
diff --git a/usr/src/lib/libresolv2_joy/common/irs/hesiod_p.h b/usr/src/lib/libresolv2_joy/common/irs/hesiod_p.h
new file mode 100644
index 0000000000..99da15d0cd
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/hesiod_p.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id: hesiod_p.h,v 1.3 2005/04/27 04:56:27 sra Exp $
+ */
+
+#ifndef _HESIOD_P_H_INCLUDED
+#define _HESIOD_P_H_INCLUDED
+
+/** \file
+ * \brief
+ * hesiod_p.h -- private definitions for the hesiod library.
+ *
+ * \author
+ * This file is primarily maintained by tytso@mit.edu and ghudson@mit.edu.
+ */
+
+#define DEF_RHS		".Athena.MIT.EDU"	/*%< Defaults if HESIOD_CONF */
+#define DEF_LHS		".ns"			/*%<    file is not */
+						/*%<    present. */
+struct hesiod_p {
+	char *		LHS;		/*%< normally ".ns" */
+	char *		RHS;		/*%< AKA the default hesiod domain */
+	struct __res_state * res;	/*%< resolver context */
+	void		(*free_res)(void *);
+	void		(*res_set)(struct hesiod_p *, struct __res_state *,
+				   void (*)(void *));
+	struct __res_state * (*res_get)(struct hesiod_p *);
+};
+
+#define MAX_HESRESP	1024
+
+#endif /*_HESIOD_P_H_INCLUDED*/
diff --git a/usr/src/lib/libresolv2_joy/common/irs/irp.c b/usr/src/lib/libresolv2_joy/common/irs/irp.c
new file mode 100644
index 0000000000..ef10631c22
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/irp.c
@@ -0,0 +1,583 @@
+/*
+ * Copyright (C) 2004-2006, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1996, 1998-2001, 2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: irp.c,v 1.12 2008/11/14 02:36:51 marka Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#include <syslog.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <stdarg.h>
+#include <fcntl.h>
+#include <syslog.h>
+#include <ctype.h>
+#include <unistd.h>
+
+#include <isc/memcluster.h>
+
+#include <irs.h>
+#include <irp.h>
+
+#include "irs_p.h"
+#include "irp_p.h"
+
+#include "port_after.h"
+
+/* Forward. */
+
+static void		irp_close(struct irs_acc *);
+
+#define LINEINCR 128
+
+#if !defined(SUN_LEN)
+#define SUN_LEN(su) \
+	(sizeof (*(su)) - sizeof ((su)->sun_path) + strlen((su)->sun_path))
+#endif
+
+
+/* Public */
+
+
+/* send errors to syslog if true. */
+int irp_log_errors = 1;
+
+/*%
+ * This module handles the irp module connection to irpd.
+ *
+ * The client expects a synchronous interface to functions like
+ * getpwnam(3), so we can't use the ctl_* i/o library on this end of
+ * the wire (it's used in the server).
+ */
+
+/*%
+ * irs_acc *irs_irp_acc(const char *options);
+ *
+ *	Initialize the irp module.
+ */
+struct irs_acc *
+irs_irp_acc(const char *options) {
+	struct irs_acc *acc;
+	struct irp_p *irp;
+
+	UNUSED(options);
+
+	if (!(acc = memget(sizeof *acc))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(acc, 0x5e, sizeof *acc);
+	if (!(irp = memget(sizeof *irp))) {
+		errno = ENOMEM;
+		free(acc);
+		return (NULL);
+	}
+	irp->inlast = 0;
+	irp->incurr = 0;
+	irp->fdCxn = -1;
+	acc->private = irp;
+
+#ifdef WANT_IRS_GR
+	acc->gr_map = irs_irp_gr;
+#else
+	acc->gr_map = NULL;
+#endif
+#ifdef WANT_IRS_PW
+	acc->pw_map = irs_irp_pw;
+#else
+	acc->pw_map = NULL;
+#endif
+	acc->sv_map = irs_irp_sv;
+	acc->pr_map = irs_irp_pr;
+	acc->ho_map = irs_irp_ho;
+	acc->nw_map = irs_irp_nw;
+	acc->ng_map = irs_irp_ng;
+	acc->close = irp_close;
+	return (acc);
+}
+
+
+int
+irs_irp_connection_setup(struct irp_p *cxndata, int *warned) {
+	if (irs_irp_is_connected(cxndata)) {
+		return (0);
+	} else if (irs_irp_connect(cxndata) != 0) {
+		if (warned != NULL && !*warned) {
+			syslog(LOG_ERR, "irpd connection failed: %m\n");
+			(*warned)++;
+		}
+
+		return (-1);
+	}
+
+	return (0);
+}
+
+/*%
+ * int irs_irp_connect(void);
+ *
+ *	Sets up the connection to the remote irpd server.
+ *
+ * Returns:
+ *
+ *	0 on success, -1 on failure.
+ *
+ */
+int
+irs_irp_connect(struct irp_p *pvt) {
+	int flags;
+	struct sockaddr *addr;
+	struct sockaddr_in iaddr;
+#ifndef NO_SOCKADDR_UN
+	struct sockaddr_un uaddr;
+#endif
+	long ipaddr;
+	const char *irphost;
+	int code;
+	char text[256];
+	int socklen = 0;
+
+	if (pvt->fdCxn != -1) {
+		perror("fd != 1");
+		return (-1);
+	}
+
+#ifndef NO_SOCKADDR_UN
+	memset(&uaddr, 0, sizeof uaddr);
+#endif
+	memset(&iaddr, 0, sizeof iaddr);
+
+	irphost = getenv(IRPD_HOST_ENV);
+	if (irphost == NULL) {
+		irphost = "127.0.0.1";
+	}
+
+#ifndef NO_SOCKADDR_UN
+	if (irphost[0] == '/') {
+		addr = (struct sockaddr *)&uaddr;
+		strncpy(uaddr.sun_path, irphost, sizeof uaddr.sun_path);
+		uaddr.sun_family = AF_UNIX;
+		socklen = SUN_LEN(&uaddr);
+#ifdef HAVE_SA_LEN
+		uaddr.sun_len = socklen;
+#endif
+	} else
+#endif
+	{
+		if (inet_pton(AF_INET, irphost, &ipaddr) != 1) {
+			errno = EADDRNOTAVAIL;
+			perror("inet_pton");
+			return (-1);
+		}
+
+		addr = (struct sockaddr *)&iaddr;
+		socklen = sizeof iaddr;
+#ifdef HAVE_SA_LEN
+		iaddr.sin_len = socklen;
+#endif
+		iaddr.sin_family = AF_INET;
+		iaddr.sin_port = htons(IRPD_PORT);
+		iaddr.sin_addr.s_addr = ipaddr;
+	}
+
+
+	pvt->fdCxn = socket(addr->sa_family, SOCK_STREAM, PF_UNSPEC);
+	if (pvt->fdCxn < 0) {
+		perror("socket");
+		return (-1);
+	}
+
+	if (connect(pvt->fdCxn, addr, socklen) != 0) {
+		perror("connect");
+		return (-1);
+	}
+
+	flags = fcntl(pvt->fdCxn, F_GETFL, 0);
+	if (flags < 0) {
+		close(pvt->fdCxn);
+		perror("close");
+		return (-1);
+	}
+
+#if 0
+	flags |= O_NONBLOCK;
+	if (fcntl(pvt->fdCxn, F_SETFL, flags) < 0) {
+		close(pvt->fdCxn);
+		perror("fcntl");
+		return (-1);
+	}
+#endif
+
+	code = irs_irp_read_response(pvt, text, sizeof text);
+	if (code != IRPD_WELCOME_CODE) {
+		if (irp_log_errors) {
+			syslog(LOG_WARNING, "Connection failed: %s", text);
+		}
+		irs_irp_disconnect(pvt);
+		return (-1);
+	}
+
+	return (0);
+}
+
+/*%
+ * int	irs_irp_is_connected(struct irp_p *pvt);
+ *
+ * Returns:
+ *
+ *	Non-zero if streams are setup to remote.
+ *
+ */
+
+int
+irs_irp_is_connected(struct irp_p *pvt) {
+	return (pvt->fdCxn >= 0);
+}
+
+/*%
+ * void
+ * irs_irp_disconnect(struct irp_p *pvt);
+ *
+ *	Closes streams to remote.
+ */
+
+void
+irs_irp_disconnect(struct irp_p *pvt) {
+	if (pvt->fdCxn != -1) {
+		close(pvt->fdCxn);
+		pvt->fdCxn = -1;
+	}
+}
+
+
+
+int
+irs_irp_read_line(struct irp_p *pvt, char *buffer, int len) {
+	char *realstart = &pvt->inbuffer[0];
+	char *p, *start, *end;
+	int spare;
+	int i;
+	int buffpos = 0;
+	int left = len - 1;
+
+	while (left > 0) {
+		start = p = &pvt->inbuffer[pvt->incurr];
+		end = &pvt->inbuffer[pvt->inlast];
+
+		while (p != end && *p != '\n')
+			p++;
+
+		if (p == end) {
+			/* Found no newline so shift data down if necessary
+			 * and append new data to buffer
+			 */
+			if (start > realstart) {
+				memmove(realstart, start, end - start);
+				pvt->inlast = end - start;
+				start = realstart;
+				pvt->incurr = 0;
+				end = &pvt->inbuffer[pvt->inlast];
+			}
+
+			spare = sizeof (pvt->inbuffer) - pvt->inlast;
+
+			p = end;
+			i = read(pvt->fdCxn, end, spare);
+			if (i < 0) {
+				close(pvt->fdCxn);
+				pvt->fdCxn = -1;
+				return (buffpos > 0 ? buffpos : -1);
+			} else if (i == 0) {
+				return (buffpos);
+			}
+
+			end += i;
+			pvt->inlast += i;
+
+			while (p != end && *p != '\n')
+				p++;
+		}
+
+		if (p == end) {
+			/* full buffer and still no newline */
+			i = sizeof pvt->inbuffer;
+		} else {
+			/* include newline */
+			i = p - start + 1;
+		}
+
+		if (i > left)
+			i = left;
+		memcpy(buffer + buffpos, start, i);
+		pvt->incurr += i;
+		buffpos += i;
+		buffer[buffpos] = '\0';
+
+		if (p != end) {
+			left = 0;
+		} else {
+			left -= i;
+		}
+	}
+
+#if 0
+	fprintf(stderr, "read line: %s\n", buffer);
+#endif
+	return (buffpos);
+}
+
+/*%
+ * int irp_read_response(struct irp_p *pvt);
+ *
+ * Returns:
+ *
+ *	The number found at the beginning of the line read from
+ *	FP. 0 on failure(0 is not a legal response code). The
+ *	rest of the line is discarded.
+ *
+ */
+
+int
+irs_irp_read_response(struct irp_p *pvt, char *text, size_t textlen) {
+	char line[1024];
+	int code;
+	char *p;
+
+	if (irs_irp_read_line(pvt, line, sizeof line) <= 0) {
+		return (0);
+	}
+
+	p = strchr(line, '\n');
+	if (p == NULL) {
+		return (0);
+	}
+
+	if (sscanf(line, "%d", &code) != 1) {
+		code = 0;
+	} else if (text != NULL && textlen > 0U) {
+		p = line;
+		while (isspace((unsigned char)*p)) p++;
+		while (isdigit((unsigned char)*p)) p++;
+		while (isspace((unsigned char)*p)) p++;
+		strncpy(text, p, textlen - 1);
+		p[textlen - 1] = '\0';
+	}
+
+	return (code);
+}
+
+/*%
+ * char *irp_read_body(struct irp_p *pvt, size_t *size);
+ *
+ *	Read in the body of a response. Terminated by a line with
+ *	just a dot on it. Lines should be terminated with a CR-LF
+ *	sequence, but we're nt piccky if the CR is missing.
+ *	No leading dot escaping is done as the protcol doesn't
+ *	use leading dots anywhere.
+ *
+ * Returns:
+ *
+ *	Pointer to null-terminated buffer allocated by memget.
+ *	*SIZE is set to the length of the buffer.
+ *
+ */
+
+char *
+irs_irp_read_body(struct irp_p *pvt, size_t *size) {
+	char line[1024];
+	u_int linelen;
+	size_t len = LINEINCR;
+	char *buffer = memget(len);
+	int idx = 0;
+
+	if (buffer == NULL)
+		return (NULL);
+
+	for (;;) {
+		if (irs_irp_read_line(pvt, line, sizeof line) <= 0 ||
+		    strchr(line, '\n') == NULL)
+			goto death;
+
+		linelen = strlen(line);
+
+		if (line[linelen - 1] != '\n')
+			goto death;
+
+		/* We're not strict about missing \r. Should we be??  */
+		if (linelen > 2 && line[linelen - 2] == '\r') {
+			line[linelen - 2] = '\n';
+			line[linelen - 1] = '\0';
+			linelen--;
+		}
+
+		if (linelen == 2 && line[0] == '.') {
+			*size = len;
+			buffer[idx] = '\0';
+
+			return (buffer);
+		}
+
+		if (linelen > (len - (idx + 1))) {
+			char *p = memget(len + LINEINCR);
+
+			if (p == NULL)
+				goto death;
+			memcpy(p, buffer, len);
+			memput(buffer, len);
+			buffer = p;
+			len += LINEINCR;
+		}
+
+		memcpy(buffer + idx, line, linelen);
+		idx += linelen;
+	}
+ death:
+	memput(buffer, len);
+	return (NULL);
+}
+
+/*%
+ * int irs_irp_get_full_response(struct irp_p *pvt, int *code,
+ *			char **body, size_t *bodylen);
+ *
+ *	Gets the response to a command. If the response indicates
+ *	there's a body to follow(code % 10 == 1), then the
+ *	body buffer is allcoated with memget and stored in
+ *	*BODY. The length of the allocated body buffer is stored
+ *	in *BODY. The caller must give the body buffer back to
+ *	memput when done. The results code is stored in *CODE.
+ *
+ * Returns:
+ *
+ *	0 if a result was read. -1 on some sort of failure.
+ *
+ */
+
+int
+irs_irp_get_full_response(struct irp_p *pvt, int *code, char *text,
+			  size_t textlen, char **body, size_t *bodylen) {
+	int result = irs_irp_read_response(pvt, text, textlen);
+
+	*body = NULL;
+
+	if (result == 0) {
+		return (-1);
+	}
+
+	*code = result;
+
+	/* Code that matches 2xx is a good result code.
+	 * Code that matches xx1 means there's a response body coming.
+	 */
+	if ((result / 100) == 2 && (result % 10) == 1) {
+		*body = irs_irp_read_body(pvt, bodylen);
+		if (*body == NULL) {
+			return (-1);
+		}
+	}
+
+	return (0);
+}
+
+/*%
+ * int irs_irp_send_command(struct irp_p *pvt, const char *fmt, ...);
+ *
+ *	Sends command to remote connected via the PVT
+ *	structure. FMT and args after it are fprintf-like
+ *	arguments for formatting.
+ *
+ * Returns:
+ *
+ *	0 on success, -1 on failure.
+ */
+
+int
+irs_irp_send_command(struct irp_p *pvt, const char *fmt, ...) {
+	va_list ap;
+	char buffer[1024];
+	int pos = 0;
+	int i, todo;
+
+
+	if (pvt->fdCxn < 0) {
+		return (-1);
+	}
+
+	va_start(ap, fmt);
+	(void) vsprintf(buffer, fmt, ap);
+	todo = strlen(buffer);
+	va_end(ap);
+	if (todo > (int)sizeof(buffer) - 3) {
+		syslog(LOG_CRIT, "memory overrun in irs_irp_send_command()");
+		exit(1);
+	}
+	strcat(buffer, "\r\n");
+	todo = strlen(buffer);
+
+	while (todo > 0) {
+		i = write(pvt->fdCxn, buffer + pos, todo);
+#if 0
+		/* XXX brister */
+		fprintf(stderr, "Wrote: \"");
+		fwrite(buffer + pos, sizeof (char), todo, stderr);
+		fprintf(stderr, "\"\n");
+#endif
+		if (i < 0) {
+			close(pvt->fdCxn);
+			pvt->fdCxn = -1;
+			return (-1);
+		}
+		todo -= i;
+	}
+
+	return (0);
+}
+
+
+/* Methods */
+
+/*%
+ * void irp_close(struct irs_acc *this)
+ *
+ */
+
+static void
+irp_close(struct irs_acc *this) {
+	struct irp_p *irp = (struct irp_p *)this->private;
+
+	if (irp != NULL) {
+		irs_irp_disconnect(irp);
+		memput(irp, sizeof *irp);
+	}
+
+	memput(this, sizeof *this);
+}
+
+
+
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/irp_ho.c b/usr/src/lib/libresolv2_joy/common/irs/irp_ho.c
new file mode 100644
index 0000000000..b0de31dc89
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/irp_ho.c
@@ -0,0 +1,405 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (c) 1996,1998 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: irp_ho.c,v 1.3 2005/04/27 04:56:28 sra Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/* Imports. */
+
+#include "port_before.h"
+
+#include <syslog.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+
+#include <irs.h>
+#include <irp.h>
+#include <isc/irpmarshall.h>
+#include <isc/memcluster.h>
+
+#include "irs_p.h"
+#include "dns_p.h"
+#include "irp_p.h"
+
+#include "port_after.h"
+
+/* Definitions. */
+
+#define	MAXALIASES	35
+#define	MAXADDRS	35
+#define	Max(a,b)	((a) > (b) ? (a) : (b))
+
+
+struct pvt {
+	struct irp_p	       *girpdata;
+	int			warned;
+	struct hostent		host;
+};
+
+/* Forward. */
+
+static void		ho_close(struct irs_ho *this);
+static struct hostent *	ho_byname(struct irs_ho *this, const char *name);
+static struct hostent *	ho_byname2(struct irs_ho *this, const char *name,
+				   int af);
+static struct hostent *	ho_byaddr(struct irs_ho *this, const void *addr,
+				  int len, int af);
+static struct hostent *	ho_next(struct irs_ho *this);
+static void		ho_rewind(struct irs_ho *this);
+static void		ho_minimize(struct irs_ho *this);
+
+static void		free_host(struct hostent *ho);
+static struct addrinfo * ho_addrinfo(struct irs_ho *this, const char *name,
+				     const struct addrinfo *pai);
+
+/* Public. */
+
+/*%
+ * struct irs_ho * irs_irp_ho(struct irs_acc *this)
+ *
+ * Notes:
+ *
+ *	Initializes the irp_ho module.
+ *
+ */
+
+struct irs_ho *
+irs_irp_ho(struct irs_acc *this) {
+	struct irs_ho *ho;
+	struct pvt *pvt;
+
+	if (!(ho = memget(sizeof *ho))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(ho, 0x0, sizeof *ho);
+
+	if (!(pvt = memget(sizeof *pvt))) {
+		memput(ho, sizeof *ho);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	pvt->girpdata = this->private;
+
+	ho->private = pvt;
+	ho->close = ho_close;
+	ho->byname = ho_byname;
+	ho->byname2 = ho_byname2;
+	ho->byaddr = ho_byaddr;
+	ho->next = ho_next;
+	ho->rewind = ho_rewind;
+	ho->minimize = ho_minimize;
+	ho->addrinfo = ho_addrinfo;
+
+	return (ho);
+}
+
+/* Methods. */
+
+/*%
+ *	Closes down the module.
+ *
+ */
+
+static void
+ho_close(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	ho_minimize(this);
+
+	free_host(&pvt->host);
+
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+
+
+/*
+ * struct hostent * ho_byname(struct irs_ho *this, const char *name)
+ *
+ */
+
+static struct hostent *
+ho_byname(struct irs_ho *this, const char *name) {
+	return (ho_byname2(this, name, AF_INET));
+}
+
+
+
+
+
+/*
+ * struct hostent * ho_byname2(struct irs_ho *this, const char *name, int af)
+ *
+ */
+
+static struct hostent *
+ho_byname2(struct irs_ho *this, const char *name, int af) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct hostent *ho = &pvt->host;
+	char *body = NULL;
+	size_t bodylen;
+	int code;
+	char text[256];
+
+	if (ho->h_name != NULL &&
+	    strcmp(name, ho->h_name) == 0 &&
+	    af == ho->h_addrtype) {
+		return (ho);
+	}
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return (NULL);
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "gethostbyname2 %s %s",
+				 name, ADDR_T_STR(af)) != 0)
+		return (NULL);
+
+	if (irs_irp_get_full_response(pvt->girpdata, &code,
+				      text, sizeof text,
+				      &body, &bodylen) != 0) {
+		return (NULL);
+	}
+
+	if (code == IRPD_GETHOST_OK) {
+		free_host(ho);
+		if (irp_unmarshall_ho(ho, body) != 0) {
+			ho = NULL;
+		}
+	} else {
+		ho = NULL;
+	}
+
+	if (body != NULL) {
+		memput(body, bodylen);
+	}
+
+	return (ho);
+}
+
+
+
+/*
+ * struct hostent * ho_byaddr(struct irs_ho *this, const void *addr,
+ *			   int len, int af)
+ *
+ */
+
+static struct hostent *
+ho_byaddr(struct irs_ho *this, const void *addr, int len, int af) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct hostent *ho = &pvt->host;
+	char *body = NULL;
+	size_t bodylen;
+	int code;
+	char **p;
+	char paddr[MAXPADDRSIZE];
+	char text[256];
+
+	if (ho->h_name != NULL &&
+	    af == ho->h_addrtype &&
+	    len == ho->h_length) {
+		for (p = ho->h_addr_list ; *p != NULL ; p++) {
+			if (memcmp(*p, addr, len) == 0)
+				return (ho);
+		}
+	}
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return (NULL);
+	}
+
+	if (inet_ntop(af, addr, paddr, sizeof paddr) == NULL) {
+		return (NULL);
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "gethostbyaddr %s %s",
+				 paddr, ADDR_T_STR(af)) != 0) {
+		return (NULL);
+	}
+
+	if (irs_irp_get_full_response(pvt->girpdata, &code,
+				      text, sizeof text,
+				      &body, &bodylen) != 0) {
+		return (NULL);
+	}
+
+	if (code == IRPD_GETHOST_OK) {
+		free_host(ho);
+		if (irp_unmarshall_ho(ho, body) != 0) {
+			ho = NULL;
+		}
+	} else {
+		ho = NULL;
+	}
+
+	if (body != NULL) {
+		memput(body, bodylen);
+	}
+
+	return (ho);
+}
+
+/*%
+ *	The implementation for gethostent(3). The first time it's
+ *	called all the data is pulled from the remote(i.e. what
+ *	the maximum number of gethostent(3) calls would return)
+ *	and that data is cached.
+ *
+ */
+
+static struct hostent *
+ho_next(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct hostent *ho = &pvt->host;
+	char *body;
+	size_t bodylen;
+	int code;
+	char text[256];
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return (NULL);
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "gethostent") != 0) {
+		return (NULL);
+	}
+
+	if (irs_irp_get_full_response(pvt->girpdata, &code,
+				      text, sizeof text,
+				      &body, &bodylen) != 0) {
+		return (NULL);
+	}
+
+	if (code == IRPD_GETHOST_OK) {
+		free_host(ho);
+		if (irp_unmarshall_ho(ho, body) != 0) {
+			ho = NULL;
+		}
+	} else {
+		ho = NULL;
+	}
+
+	if (body != NULL) {
+		memput(body, bodylen);
+	}
+
+	return (ho);
+}
+
+/*%
+ * void ho_rewind(struct irs_ho *this)
+ *
+ */
+
+static void
+ho_rewind(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	char text[256];
+	int code;
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return;
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "sethostent") != 0) {
+		return;
+	}
+
+	code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
+	if (code != IRPD_GETHOST_SETOK) {
+		if (irp_log_errors) {
+			syslog(LOG_WARNING, "sethostent failed: %s", text);
+		}
+	}
+
+	return;
+}
+
+/*%
+ * void ho_minimize(struct irs_ho *this)
+ *
+ */
+
+static void
+ho_minimize(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	free_host(&pvt->host);
+
+	irs_irp_disconnect(pvt->girpdata);
+}
+
+/*%
+ * void free_host(struct hostent *ho)
+ *
+ */
+
+static void
+free_host(struct hostent *ho) {
+	char **p;
+
+	if (ho == NULL) {
+		return;
+	}
+
+	if (ho->h_name != NULL)
+		free(ho->h_name);
+
+	if (ho->h_aliases != NULL) {
+		for (p = ho->h_aliases ; *p != NULL ; p++)
+			free(*p);
+		free(ho->h_aliases);
+	}
+
+	if (ho->h_addr_list != NULL) {
+		for (p = ho->h_addr_list ; *p != NULL ; p++)
+			free(*p);
+		free(ho->h_addr_list);
+	}
+}
+
+/* dummy */
+static struct addrinfo *
+ho_addrinfo(struct irs_ho *this, const char *name, const struct addrinfo *pai)
+{
+	UNUSED(this);
+	UNUSED(name);
+	UNUSED(pai);
+	return(NULL);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/irp_ng.c b/usr/src/lib/libresolv2_joy/common/irs/irp_ng.c
new file mode 100644
index 0000000000..1af862cab4
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/irp_ng.c
@@ -0,0 +1,253 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996, 1998 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: irp_ng.c,v 1.4 2006/12/07 04:46:27 marka Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <syslog.h>
+
+#include <irs.h>
+#include <irp.h>
+#include <isc/memcluster.h>
+#include <isc/irpmarshall.h>
+
+#include "irs_p.h"
+#include "irp_p.h"
+
+#include "port_after.h"
+
+/* Definitions */
+
+struct pvt {
+	struct irp_p	       *girpdata;
+	int			warned;
+};
+
+
+/* Forward */
+
+static void		ng_rewind(struct irs_ng *, const char*);
+static void		ng_close(struct irs_ng *);
+static int		ng_next(struct irs_ng *, const char **, const char **,
+				const char **);
+static int		ng_test(struct irs_ng *, const char *,
+				const char *, const char *,
+				const char *);
+static void		ng_minimize(struct irs_ng *);
+
+
+/* Public */
+
+/*%
+ *	Intialize the irp netgroup module.
+ *
+ */
+
+struct irs_ng *
+irs_irp_ng(struct irs_acc *this) {
+	struct irs_ng *ng;
+	struct pvt *pvt;
+
+	if (!(ng = memget(sizeof *ng))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(ng, 0x5e, sizeof *ng);
+
+	if (!(pvt = memget(sizeof *pvt))) {
+		memput(ng, sizeof *ng);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	pvt->girpdata = this->private;
+
+	ng->private = pvt;
+	ng->close = ng_close;
+	ng->next = ng_next;
+	ng->test = ng_test;
+	ng->rewind = ng_rewind;
+	ng->minimize = ng_minimize;
+	return (ng);
+}
+
+/* Methods */
+
+
+
+/*
+ * void ng_close(struct irs_ng *this)
+ *
+ */
+
+static void
+ng_close(struct irs_ng *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	ng_minimize(this);
+
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+
+
+
+/*
+ * void ng_rewind(struct irs_ng *this, const char *group)
+ *
+ *
+ */
+
+static void
+ng_rewind(struct irs_ng *this, const char *group) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	char text[256];
+	int code;
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return;
+	}
+
+	if (irs_irp_send_command(pvt->girpdata,
+				 "setnetgrent %s", group) != 0) {
+		return;
+	}
+
+	code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
+	if (code != IRPD_GETNETGR_SETOK) {
+		if (irp_log_errors) {
+			syslog(LOG_WARNING, "setnetgrent(%s) failed: %s",
+			       group, text);
+		}
+	}
+
+	return;
+}
+
+/*
+ *	Get the next netgroup item from the cache.
+ *
+ */
+
+static int
+ng_next(struct irs_ng *this, const char **host, const char **user,
+        const char **domain)
+{
+	struct pvt *pvt = (struct pvt *)this->private;
+	int code;
+	char *body = NULL;
+	size_t bodylen;
+	int rval = 0;
+	char text[256];
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return (0);
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "getnetgrent") != 0)
+		return (0);
+
+	if (irs_irp_get_full_response(pvt->girpdata, &code,
+				      text, sizeof text,
+				      &body, &bodylen) != 0) {
+		return (0);
+	}
+
+	if (code == IRPD_GETNETGR_OK) {
+		if (irp_unmarshall_ng(host, user, domain, body) == 0) {
+			rval = 1;
+		}
+	}
+
+	if (body != NULL) {
+		memput(body, bodylen);
+	}
+
+	return (rval);
+}
+
+/*
+ *	Search for a match in a netgroup.
+ *
+ */
+
+static int
+ng_test(struct irs_ng *this, const char *name,
+	const char *host, const char *user, const char *domain)
+{
+	struct pvt *pvt = (struct pvt *)this->private;
+	char *body = NULL;
+	size_t bodylen = 0;
+	int code;
+	char text[256];
+	int rval = 0;
+
+	UNUSED(name);
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return (0);
+	}
+
+	if (irp_marshall_ng(host, user, domain, &body, &bodylen) != 0) {
+		return (0);
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "innetgr %s", body) == 0) {
+		code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
+		if (code == IRPD_GETNETGR_MATCHES) {
+			rval = 1;
+		}
+	}
+
+	memput(body, bodylen);
+
+	return (rval);
+}
+
+
+
+
+/*
+ * void ng_minimize(struct irs_ng *this)
+ *
+ */
+
+static void
+ng_minimize(struct irs_ng *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	irs_irp_disconnect(pvt->girpdata);
+}
+
+
+
+
+/* Private */
+
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/irp_nw.c b/usr/src/lib/libresolv2_joy/common/irs/irp_nw.c
new file mode 100644
index 0000000000..3f2381f95d
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/irp_nw.c
@@ -0,0 +1,348 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (c) 1996,1998 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: irp_nw.c,v 1.4 2006/03/09 23:57:56 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#if 0
+
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#include <syslog.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+
+#include <irs.h>
+#include <irp.h>
+#include <isc/irpmarshall.h>
+
+#include <isc/memcluster.h>
+#include <isc/misc.h>
+
+#include "irs_p.h"
+#include "lcl_p.h"
+#include "irp_p.h"
+
+#include "port_after.h"
+
+#define MAXALIASES 35
+#define MAXADDRSIZE 4
+
+struct pvt {
+	struct irp_p	       *girpdata;
+	int			warned;
+	struct nwent		net;
+};
+
+/* Forward */
+
+static void		nw_close(struct irs_nw *);
+static struct nwent *	nw_byname(struct irs_nw *, const char *, int);
+static struct nwent *	nw_byaddr(struct irs_nw *, void *, int, int);
+static struct nwent *	nw_next(struct irs_nw *);
+static void		nw_rewind(struct irs_nw *);
+static void		nw_minimize(struct irs_nw *);
+
+static void		free_nw(struct nwent *nw);
+
+
+/* Public */
+
+/*%
+ * struct irs_nw * irs_irp_nw(struct irs_acc *this) 
+ *
+ */
+
+struct irs_nw *
+irs_irp_nw(struct irs_acc *this) {
+	struct irs_nw *nw;
+	struct pvt *pvt;
+
+	if (!(pvt = memget(sizeof *pvt))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+
+	if (!(nw = memget(sizeof *nw))) {
+		memput(pvt, sizeof *pvt);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(nw, 0x0, sizeof *nw);
+	pvt->girpdata = this->private;
+
+	nw->private = pvt;
+	nw->close = nw_close;
+	nw->byname = nw_byname;
+	nw->byaddr = nw_byaddr;
+	nw->next = nw_next;
+	nw->rewind = nw_rewind;
+	nw->minimize = nw_minimize;
+	return (nw);
+}
+
+/* Methods */
+
+/*%
+ * void nw_close(struct irs_nw *this) 
+ *
+ */
+
+static void
+nw_close(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	nw_minimize(this);
+
+	free_nw(&pvt->net);
+
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+/*%
+ * struct nwent * nw_byaddr(struct irs_nw *this, void *net, 
+ * 				int length, int type) 
+ *
+ */
+
+static struct nwent *
+nw_byaddr(struct irs_nw *this, void *net, int length, int type) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct nwent *nw = &pvt->net;
+	char *body = NULL;
+	size_t bodylen;
+	int code;
+	char paddr[24];			/*%< bigenough for ip4 w/ cidr spec. */
+	char text[256];
+
+	if (inet_net_ntop(type, net, length, paddr, sizeof paddr) == NULL) {
+		return (NULL);
+	}
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return (NULL);
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "getnetbyaddr %s %s",
+				 paddr, ADDR_T_STR(type)) != 0)
+		return (NULL);
+
+	if (irs_irp_get_full_response(pvt->girpdata, &code,
+				      text, sizeof text,
+				      &body, &bodylen) != 0) {
+		return (NULL);
+	}
+
+	if (code == IRPD_GETNET_OK) {
+		free_nw(nw);
+		if (irp_unmarshall_nw(nw, body) != 0) {
+			nw = NULL;
+		}
+	} else {
+		nw = NULL;
+	}
+		
+	if (body != NULL) {
+		memput(body, bodylen);
+	}
+	
+	return (nw);
+}
+
+/*%
+ * struct nwent * nw_byname(struct irs_nw *this, const char *name, int type) 
+ *
+ */
+
+static struct nwent *
+nw_byname(struct irs_nw *this, const char *name, int type) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct nwent *nw = &pvt->net;
+	char *body = NULL;
+	size_t bodylen;
+	int code;
+	char text[256];
+
+	if (nw->n_name != NULL &&
+	    strcmp(name, nw->n_name) == 0 &&
+	    nw->n_addrtype == type) {
+		return (nw);
+	}
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return (NULL);
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "getnetbyname %s", name) != 0)
+		return (NULL);
+
+	if (irs_irp_get_full_response(pvt->girpdata, &code,
+				      text, sizeof text,
+				      &body, &bodylen) != 0) {
+		return (NULL);
+	}
+
+	if (code == IRPD_GETNET_OK) {
+		free_nw(nw);
+		if (irp_unmarshall_nw(nw, body) != 0) {
+			nw = NULL;
+		}
+	} else {
+		nw = NULL;
+	}
+	
+	if (body != NULL) {
+		memput(body, bodylen);
+	}
+	
+	return (nw);
+}
+
+/*%
+ * void nw_rewind(struct irs_nw *this) 
+ *
+ */
+
+static void
+nw_rewind(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	char text[256];
+	int code;
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return;
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "setnetent") != 0) {
+		return;
+	}
+
+	code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
+	if (code != IRPD_GETNET_SETOK) {
+		if (irp_log_errors) {
+			syslog(LOG_WARNING, "setnetent failed: %s", text);
+		}
+	}
+	
+	return;
+}
+
+/*%
+ * 	Prepares the cache if necessary and returns the first, or 
+ * 	next item from it.
+ */
+
+static struct nwent *
+nw_next(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct nwent *nw = &pvt->net;
+	char *body;
+	size_t bodylen;
+	int code;
+	char text[256];
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return (NULL);
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "getnetent") != 0) {
+		return (NULL);
+	}
+
+	if (irs_irp_get_full_response(pvt->girpdata, &code,
+				      text, sizeof text,
+				      &body, &bodylen) != 0) {
+		return (NULL);
+	}
+
+	if (code == IRPD_GETNET_OK) {
+		free_nw(nw);
+		if (irp_unmarshall_nw(nw, body) != 0) {
+			nw = NULL;
+		}
+	} else {
+		nw = NULL;
+	}
+
+	if (body != NULL)
+		memput(body, bodylen);
+	return (nw);
+}
+
+/*%
+ * void nw_minimize(struct irs_nw *this) 
+ *
+ */
+
+static void
+nw_minimize(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	irs_irp_disconnect(pvt->girpdata);
+}
+
+
+
+
+/* private. */
+
+/*%
+ *	deallocate all the memory irp_unmarshall_pw allocated.
+ *
+ */
+
+static void
+free_nw(struct nwent *nw) {
+	char **p;
+
+	if (nw == NULL)
+		return;
+
+	if (nw->n_name != NULL)
+		free(nw->n_name);
+
+	if (nw->n_aliases != NULL) {
+		for (p = nw->n_aliases ; *p != NULL ; p++) {
+			free(*p);
+		}
+		free(nw->n_aliases);
+	}
+
+	if (nw->n_addr != NULL)
+		free(nw->n_addr);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/irp_p.h b/usr/src/lib/libresolv2_joy/common/irs/irp_p.h
new file mode 100644
index 0000000000..4f943f81bd
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/irp_p.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id: irp_p.h,v 1.5 2005/04/27 04:56:28 sra Exp $
+ */
+
+#ifndef _IRP_P_H_INCLUDED
+#define _IRP_P_H_INCLUDED
+
+#include <stdio.h>
+
+struct irp_p {
+	char inbuffer[1024];
+	int inlast; /*%< index of one past the last char in buffer */
+	int incurr; /*%< index of the next char to be read from buffer */
+	int fdCxn;
+};
+
+/*
+ * Externs.
+ */
+
+extern struct irs_acc *	irs_irp_acc __P((const char *));
+extern struct irs_gr *	irs_irp_gr __P((struct irs_acc *));
+extern struct irs_pw *	irs_irp_pw __P((struct irs_acc *));
+extern struct irs_sv *	irs_irp_sv __P((struct irs_acc *));
+extern struct irs_pr *	irs_irp_pr __P((struct irs_acc *));
+extern struct irs_ho *	irs_irp_ho __P((struct irs_acc *));
+extern struct irs_nw *	irs_irp_nw __P((struct irs_acc *));
+extern struct irs_ng *	irs_irp_ng __P((struct irs_acc *));
+
+int irs_irp_connect(struct irp_p *pvt);
+int irs_irp_is_connected(struct irp_p *pvt);
+void irs_irp_disconnect(struct irp_p *pvt);
+int irs_irp_read_response(struct irp_p *pvt, char *text, size_t textlen);
+char *irs_irp_read_body(struct irp_p *pvt, size_t *size);
+int irs_irp_get_full_response(struct irp_p *pvt, int *code,
+			      char *text, size_t textlen,
+			      char **body, size_t *bodylen);
+
+extern int irp_log_errors;
+
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/irp_pr.c b/usr/src/lib/libresolv2_joy/common/irs/irp_pr.c
new file mode 100644
index 0000000000..ea876e8281
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/irp_pr.c
@@ -0,0 +1,327 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (c) 1996 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: irp_pr.c,v 1.3 2005/04/27 04:56:29 sra Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/* extern */
+
+#include "port_before.h"
+
+#include <syslog.h>
+#include <sys/types.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <netdb.h>
+#include <syslog.h>
+
+#include <irs.h>
+#include <irp.h>
+#include <isc/memcluster.h>
+#include <isc/irpmarshall.h>
+
+#include "irs_p.h"
+#include "lcl_p.h"
+#include "irp_p.h"
+
+#include "port_after.h"
+
+
+#define MAXALIASES	35
+
+/* Types */
+
+struct pvt {
+	struct irp_p	       *girpdata;
+	int			warned;
+	struct protoent		proto;
+};
+
+/* Forward */
+
+static void			pr_close(struct irs_pr *);
+static struct protoent *	pr_next(struct irs_pr *);
+static struct protoent *	pr_byname(struct irs_pr *, const char *);
+static struct protoent *	pr_bynumber(struct irs_pr *, int);
+static void			pr_rewind(struct irs_pr *);
+static void			pr_minimize(struct irs_pr *);
+
+static void			free_proto(struct protoent *pr);
+
+/* Public */
+
+/*%
+ * struct irs_pr * irs_irp_pr(struct irs_acc *this)
+ *
+ */
+
+struct irs_pr *
+irs_irp_pr(struct irs_acc *this) {
+	struct irs_pr *pr;
+	struct pvt *pvt;
+
+	if (!(pr = memget(sizeof *pr))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pr, 0x0, sizeof *pr);
+
+	if (!(pvt = memget(sizeof *pvt))) {
+		memput(pr, sizeof *pr);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	pvt->girpdata = this->private;
+
+	pr->private = pvt;
+	pr->close = pr_close;
+	pr->byname = pr_byname;
+	pr->bynumber = pr_bynumber;
+	pr->next = pr_next;
+	pr->rewind = pr_rewind;
+	pr->minimize = pr_minimize;
+	return (pr);
+}
+
+/* Methods */
+
+/*%
+ * void pr_close(struct irs_pr *this)
+ *
+ */
+
+static void
+pr_close(struct irs_pr *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	pr_minimize(this);
+
+	free_proto(&pvt->proto);
+
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+/*%
+ * struct protoent * pr_byname(struct irs_pr *this, const char *name)
+ *
+ */
+
+static struct protoent *
+pr_byname(struct irs_pr *this, const char *name) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct protoent *pr = &pvt->proto;
+	char *body = NULL;
+	size_t bodylen;
+	int code;
+	int i;
+	char text[256];
+
+	if (pr->p_name != NULL && strcmp(name, pr->p_name) == 0) {
+		return (pr);
+	}
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return (NULL);
+	}
+
+	i = irs_irp_send_command(pvt->girpdata, "getprotobyname %s", name);
+	if (i != 0)
+		return (NULL);
+
+	if (irs_irp_get_full_response(pvt->girpdata, &code,
+				      text, sizeof text,
+				      &body, &bodylen) != 0) {
+		return (NULL);
+	}
+
+	if (code == IRPD_GETPROTO_OK) {
+		free_proto(pr);
+		if (irp_unmarshall_pr(pr, body) != 0) {
+			pr = NULL;
+		}
+	} else {
+		pr = NULL;
+	}
+
+	if (body != NULL) {
+		memput(body, bodylen);
+	}
+
+	return (pr);
+}
+
+/*%
+ * struct protoent * pr_bynumber(struct irs_pr *this, int proto)
+ *
+ */
+
+static struct protoent *
+pr_bynumber(struct irs_pr *this, int proto) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct protoent *pr = &pvt->proto;
+	char *body = NULL;
+	size_t bodylen;
+	int code;
+	int i;
+	char text[256];
+
+	if (pr->p_name != NULL && proto == pr->p_proto) {
+		return (pr);
+	}
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return (NULL);
+	}
+
+	i = irs_irp_send_command(pvt->girpdata, "getprotobynumber %d", proto);
+	if (i != 0)
+		return (NULL);
+
+	if (irs_irp_get_full_response(pvt->girpdata, &code,
+				      text, sizeof text,
+				      &body, &bodylen) != 0) {
+		return (NULL);
+	}
+
+	if (code == IRPD_GETPROTO_OK) {
+		free_proto(pr);
+		if (irp_unmarshall_pr(pr, body) != 0) {
+			pr = NULL;
+		}
+	} else {
+		pr = NULL;
+	}
+
+	if (body != NULL) {
+		memput(body, bodylen);
+	}
+
+	return (pr);
+}
+
+/*%
+ * void pr_rewind(struct irs_pr *this)
+ *
+ */
+
+static void
+pr_rewind(struct irs_pr *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	char text[256];
+	int code;
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return;
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "setprotoent") != 0) {
+		return;
+	}
+
+	code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
+	if (code != IRPD_GETPROTO_SETOK) {
+		if (irp_log_errors) {
+			syslog(LOG_WARNING, "setprotoent failed: %s", text);
+		}
+	}
+
+	return;
+}
+
+/*%
+ *	Prepares the cache if necessary and returns the next item in it.
+ *
+ */
+
+static struct protoent *
+pr_next(struct irs_pr *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct protoent *pr = &pvt->proto;
+	char *body;
+	size_t bodylen;
+	int code;
+	char text[256];
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return (NULL);
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "getprotoent") != 0) {
+		return (NULL);
+	}
+
+	if (irs_irp_get_full_response(pvt->girpdata, &code,
+				      text, sizeof text,
+				      &body, &bodylen) != 0) {
+		return (NULL);
+	}
+
+	if (code == IRPD_GETPROTO_OK) {
+		free_proto(pr);
+		if (irp_unmarshall_pr(pr, body) != 0) {
+			pr = NULL;
+		}
+	} else {
+		pr = NULL;
+	}
+
+	if (body != NULL) {
+		memput(body, bodylen);
+	}
+
+	return (pr);
+}
+
+/*%
+ * void pr_minimize(struct irs_pr *this)
+ *
+ */
+
+static void
+pr_minimize(struct irs_pr *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	irs_irp_disconnect(pvt->girpdata);
+}
+
+/*%
+ *	Deallocate all the memory irp_unmarshall_pr allocated.
+ *
+ */
+
+static void
+free_proto(struct protoent *pr) {
+	char **p;
+
+	if (pr == NULL)
+		return;
+
+	if (pr->p_name != NULL)
+		free(pr->p_name);
+
+	for (p = pr->p_aliases ; p != NULL && *p != NULL ; p++)
+		free(*p);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/irp_sv.c b/usr/src/lib/libresolv2_joy/common/irs/irp_sv.c
new file mode 100644
index 0000000000..577e697fe6
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/irp_sv.c
@@ -0,0 +1,346 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (c) 1996,1998 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: irp_sv.c,v 1.3 2005/04/27 04:56:29 sra Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/* extern */
+
+#include "port_before.h"
+
+#include <syslog.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#ifdef IRS_LCL_SV_DB
+#include <db.h>
+#endif
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <syslog.h>
+
+#include <irs.h>
+#include <irp.h>
+#include <isc/irpmarshall.h>
+#include <isc/memcluster.h>
+
+#include "irs_p.h"
+#include "lcl_p.h"
+#include "irp_p.h"
+
+#include "port_after.h"
+
+/* Types */
+
+struct pvt {
+	struct irp_p	       *girpdata;
+	int			warned;
+	struct servent		service;
+};
+
+/* Forward */
+
+static void			sv_close(struct irs_sv*);
+static struct servent *		sv_next(struct irs_sv *);
+static struct servent *		sv_byname(struct irs_sv *, const char *,
+					  const char *);
+static struct servent *		sv_byport(struct irs_sv *, int, const char *);
+static void			sv_rewind(struct irs_sv *);
+static void			sv_minimize(struct irs_sv *);
+
+static void			free_service(struct servent *sv);
+
+
+
+/* Public */
+
+/*%
+ * struct irs_sv * irs_irp_sv(struct irs_acc *this)
+ *
+ */
+
+struct irs_sv *
+irs_irp_sv(struct irs_acc *this) {
+	struct irs_sv *sv;
+	struct pvt *pvt;
+
+	if ((sv = memget(sizeof *sv)) == NULL) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(sv, 0x0, sizeof *sv);
+
+	if ((pvt = memget(sizeof *pvt)) == NULL) {
+		memput(sv, sizeof *sv);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	pvt->girpdata = this->private;
+
+	sv->private = pvt;
+	sv->close = sv_close;
+	sv->next = sv_next;
+	sv->byname = sv_byname;
+	sv->byport = sv_byport;
+	sv->rewind = sv_rewind;
+	sv->minimize = sv_minimize;
+
+	return (sv);
+}
+
+/* Methods */
+
+/*%
+ * void sv_close(struct irs_sv *this)
+ *
+ */
+
+static void
+sv_close(struct irs_sv *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	sv_minimize(this);
+
+	free_service(&pvt->service);
+
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+/*%
+ *	Fills the cache if necessary and returns the next item from it.
+ *
+ */
+
+static struct servent *
+sv_next(struct irs_sv *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct servent *sv = &pvt->service;
+	char *body;
+	size_t bodylen;
+	int code;
+	char text[256];
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return (NULL);
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "getservent") != 0) {
+		return (NULL);
+	}
+
+	if (irs_irp_get_full_response(pvt->girpdata, &code,
+				      text, sizeof text,
+				      &body, &bodylen) != 0) {
+		return (NULL);
+	}
+
+	if (code == IRPD_GETSERVICE_OK) {
+		free_service(sv);
+		if (irp_unmarshall_sv(sv, body) != 0) {
+			sv = NULL;
+		}
+	} else {
+		sv = NULL;
+	}
+
+	if (body != NULL) {
+		memput(body, bodylen);
+	}
+
+	return (sv);
+}
+
+/*%
+ * struct servent * sv_byname(struct irs_sv *this, const char *name,
+ *				const char *proto)
+ *
+ */
+
+static struct servent *
+sv_byname(struct irs_sv *this, const char *name, const char *proto) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct servent *sv = &pvt->service;
+	char *body;
+	char text[256];
+	size_t bodylen;
+	int code;
+
+	if (sv->s_name != NULL &&
+	    strcmp(name, sv->s_name) == 0 &&
+	    strcasecmp(proto, sv->s_proto) == 0) {
+		return (sv);
+	}
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return (NULL);
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "getservbyname %s %s",
+				 name, proto) != 0)
+		return (NULL);
+
+	if (irs_irp_get_full_response(pvt->girpdata, &code,
+				      text, sizeof text,
+				      &body, &bodylen) != 0) {
+		return (NULL);
+	}
+
+	if (code == IRPD_GETSERVICE_OK) {
+		free_service(sv);
+		if (irp_unmarshall_sv(sv, body) != 0) {
+			sv = NULL;
+		}
+	} else {
+		sv = NULL;
+	}
+
+	if (body != NULL) {
+		memput(body, bodylen);
+	}
+
+	return (sv);
+}
+
+/*%
+ * struct servent * sv_byport(struct irs_sv *this, int port,
+ *				const char *proto)
+ *
+ */
+
+static struct servent *
+sv_byport(struct irs_sv *this, int port, const char *proto) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct servent *sv = &pvt->service;
+	char *body;
+	size_t bodylen;
+	char text[256];
+	int code;
+
+	if (sv->s_name != NULL &&
+	    port == sv->s_port &&
+	    strcasecmp(proto, sv->s_proto) == 0) {
+		return (sv);
+	}
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return (NULL);
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "getservbyport %d %s",
+				 ntohs((short)port), proto) != 0) {
+		return (NULL);
+	}
+
+	if (irs_irp_get_full_response(pvt->girpdata, &code,
+				      text, sizeof text,
+				      &body, &bodylen) != 0) {
+		return (NULL);
+	}
+
+	if (code == IRPD_GETSERVICE_OK) {
+		free_service(sv);
+		if (irp_unmarshall_sv(sv, body) != 0) {
+			sv = NULL;
+		}
+	} else {
+		sv = NULL;
+	}
+
+	if (body != NULL) {
+		memput(body, bodylen);
+	}
+
+	return (sv);
+}
+
+/*%
+ * void sv_rewind(struct irs_sv *this)
+ *
+ */
+
+static void
+sv_rewind(struct irs_sv *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	char text[256];
+	int code;
+
+	if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+		return;
+	}
+
+	if (irs_irp_send_command(pvt->girpdata, "setservent") != 0) {
+		return;
+	}
+
+	code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
+	if (code != IRPD_GETSERVICE_SETOK) {
+		if (irp_log_errors) {
+			syslog(LOG_WARNING, "setservent failed: %s", text);
+		}
+	}
+
+	return;
+}
+
+/*%
+ * void sv_minimize(struct irs_sv *this)
+ *
+ */
+
+static void
+sv_minimize(struct irs_sv *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	irs_irp_disconnect(pvt->girpdata);
+}
+
+
+
+
+
+
+static void
+free_service(struct servent *sv) {
+	char **p;
+
+	if (sv == NULL) {
+		return;
+	}
+
+	if (sv->s_name != NULL) {
+		free(sv->s_name);
+	}
+
+	for (p = sv->s_aliases ; p != NULL && *p != NULL ; p++) {
+		free(*p);
+	}
+
+	if (sv->s_proto != NULL) {
+		free(sv->s_proto);
+	}
+}
+
+
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/irpmarshall.c b/usr/src/lib/libresolv2_joy/common/irs/irpmarshall.c
new file mode 100644
index 0000000000..85ffff1866
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/irpmarshall.c
@@ -0,0 +1,2301 @@
+/*
+ * Copyright(c) 1989, 1993, 1995
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (c) 1996 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: irpmarshall.c,v 1.7 2006/03/09 23:57:56 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#if 0
+
+Check values are in approrpriate endian order.
+
+Double check memory allocations on unmarhsalling
+
+#endif
+
+
+/* Extern */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <stdio.h>
+#include <ctype.h>
+#include <pwd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+#include <utmp.h>
+#include <unistd.h>
+#include <assert.h>
+#include <errno.h>
+
+#include <irs.h>
+#include <isc/memcluster.h>
+#include <isc/irpmarshall.h>
+
+#include "port_after.h"
+
+
+#ifndef HAVE_STRNDUP
+static char    *strndup(const char *str, size_t len);
+#endif
+
+static char   **splitarray(const char *buffer, const char *buffend, char delim);
+static int	joinarray(char * const * argv, char *buffer, char delim);
+static char    *getfield(char **res, size_t reslen, char **buffer, char delim);
+static size_t	joinlength(char * const *argv);
+static void	free_array(char **argv, size_t entries);
+
+#define ADDR_T_STR(x) (x == AF_INET ? "AF_INET" :\
+		       (x == AF_INET6 ? "AF_INET6" : "UNKNOWN"))
+
+#define MAXPADDRSIZE (sizeof "255.255.255.255" + 1)
+
+static char COMMA = ',';
+
+static const char *COMMASTR = ",";
+static const char *COLONSTR = ":";
+
+
+
+/* See big comment at bottom of irpmarshall.h for description. */
+
+
+#ifdef WANT_IRS_PW
+/* +++++++++++++++++++++++++ struct passwd +++++++++++++++++++++++++ */
+
+/*%
+ * int irp_marshall_pw(const struct passwd *pw, char **buffer, size_t *len)
+ *
+ * notes: \li
+ *
+ *	See irpmarshall.h
+ *
+ * return: \li
+ *
+ *	0 on sucess, -1 on failure.
+ *
+ */
+
+int
+irp_marshall_pw(const struct passwd *pw, char **buffer, size_t *len) {
+	size_t need = 1 ;		/*%< for null byte */
+	char pwUid[24];
+	char pwGid[24];
+	char pwChange[24];
+	char pwExpire[24];
+	const char *pwClass;
+	const char *fieldsep = COLONSTR;
+
+	if (pw == NULL || len == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	sprintf(pwUid, "%ld", (long)pw->pw_uid);
+	sprintf(pwGid, "%ld", (long)pw->pw_gid);
+
+#ifdef HAVE_PW_CHANGE
+	sprintf(pwChange, "%ld", (long)pw->pw_change);
+#else
+	pwChange[0] = '0';
+	pwChange[1] = '\0';
+#endif
+
+#ifdef HAVE_PW_EXPIRE
+	sprintf(pwExpire, "%ld", (long)pw->pw_expire);
+#else
+	pwExpire[0] = '0';
+	pwExpire[1] = '\0';
+#endif
+
+#ifdef HAVE_PW_CLASS
+	pwClass = pw->pw_class;
+#else
+	pwClass = "";
+#endif
+
+	need += strlen(pw->pw_name)	+ 1; /*%< one for fieldsep */
+	need += strlen(pw->pw_passwd)	+ 1;
+	need += strlen(pwUid)		+ 1;
+	need += strlen(pwGid)		+ 1;
+	need += strlen(pwClass)		+ 1;
+	need += strlen(pwChange)	+ 1;
+	need += strlen(pwExpire)	+ 1;
+	need += strlen(pw->pw_gecos)	+ 1;
+	need += strlen(pw->pw_dir)	+ 1;
+	need += strlen(pw->pw_shell)	+ 1;
+
+	if (buffer == NULL) {
+		*len = need;
+		return (0);
+	}
+
+	if (*buffer != NULL && need > *len) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (*buffer == NULL) {
+		need += 2;		/*%< for CRLF */
+		*buffer = memget(need);
+		if (*buffer == NULL) {
+			errno = ENOMEM;
+			return (-1);
+		}
+
+		*len = need;
+	}
+
+	strcpy(*buffer, pw->pw_name);		strcat(*buffer, fieldsep);
+	strcat(*buffer, pw->pw_passwd);		strcat(*buffer, fieldsep);
+	strcat(*buffer, pwUid);			strcat(*buffer, fieldsep);
+	strcat(*buffer, pwGid);			strcat(*buffer, fieldsep);
+	strcat(*buffer, pwClass);		strcat(*buffer, fieldsep);
+	strcat(*buffer, pwChange);		strcat(*buffer, fieldsep);
+	strcat(*buffer, pwExpire);		strcat(*buffer, fieldsep);
+	strcat(*buffer, pw->pw_gecos);		strcat(*buffer, fieldsep);
+	strcat(*buffer, pw->pw_dir);		strcat(*buffer, fieldsep);
+	strcat(*buffer, pw->pw_shell);		strcat(*buffer, fieldsep);
+
+	return (0);
+}
+
+/*%
+ * int irp_unmarshall_pw(struct passwd *pw, char *buffer)
+ *
+ * notes: \li
+ *
+ *	See irpmarshall.h
+ *
+ * return: \li
+ *
+ *	0 on success, -1 on failure
+ *
+ */
+
+int
+irp_unmarshall_pw(struct passwd *pw, char *buffer) {
+	char *name, *pass, *class, *gecos, *dir, *shell;
+	uid_t pwuid;
+	gid_t pwgid;
+	time_t pwchange;
+	time_t pwexpire;
+	char *p;
+	long t;
+	char tmpbuf[24];
+	char *tb = &tmpbuf[0];
+	char fieldsep = ':';
+	int myerrno = EINVAL;
+
+	name = pass = class = gecos = dir = shell = NULL;
+	p = buffer;
+
+	/* pw_name field */
+	name = NULL;
+	if (getfield(&name, 0, &p, fieldsep) == NULL || strlen(name) == 0) {
+		goto error;
+	}
+
+	/* pw_passwd field */
+	pass = NULL;
+	if (getfield(&pass, 0, &p, fieldsep) == NULL) { /*%< field can be empty */
+		goto error;
+	}
+
+
+	/* pw_uid field */
+	tb = tmpbuf;
+	if (getfield(&tb, sizeof tmpbuf, &p, fieldsep) == NULL ||
+	    strlen(tb) == 0) {
+		goto error;
+	}
+	t = strtol(tmpbuf, &tb, 10);
+	if (*tb) {
+		goto error;	/*%< junk in value */
+	}
+	pwuid = (uid_t)t;
+	if ((long) pwuid != t) {	/*%< value must have been too big. */
+		goto error;
+	}
+
+
+
+	/* pw_gid field */
+	tb = tmpbuf;
+	if (getfield(&tb, sizeof tmpbuf, &p, fieldsep) == NULL ||
+	    strlen(tb) == 0) {
+		goto error;
+	}
+	t = strtol(tmpbuf, &tb, 10);
+	if (*tb) {
+		goto error;	/*%< junk in value */
+	}
+	pwgid = (gid_t)t;
+	if ((long)pwgid != t) {	/*%< value must have been too big. */
+		goto error;
+	}
+
+
+
+	/* pw_class field */
+	class = NULL;
+	if (getfield(&class, 0, &p, fieldsep) == NULL) {
+		goto error;
+	}
+
+
+
+	/* pw_change field */
+	tb = tmpbuf;
+	if (getfield(&tb, sizeof tmpbuf, &p, fieldsep) == NULL ||
+	    strlen(tb) == 0) {
+		goto error;
+	}
+	t = strtol(tmpbuf, &tb, 10);
+	if (*tb) {
+		goto error;	/*%< junk in value */
+	}
+	pwchange = (time_t)t;
+	if ((long)pwchange != t) {	/*%< value must have been too big. */
+		goto error;
+	}
+
+
+
+	/* pw_expire field */
+	tb = tmpbuf;
+	if (getfield(&tb, sizeof tmpbuf, &p, fieldsep) == NULL ||
+	    strlen(tb) == 0) {
+		goto error;
+	}
+	t = strtol(tmpbuf, &tb, 10);
+	if (*tb) {
+		goto error;	/*%< junk in value */
+	}
+	pwexpire = (time_t)t;
+	if ((long) pwexpire != t) {	/*%< value must have been too big. */
+		goto error;
+	}
+
+
+
+	/* pw_gecos field */
+	gecos = NULL;
+	if (getfield(&gecos, 0, &p, fieldsep) == NULL) {
+		goto error;
+	}
+
+
+
+	/* pw_dir field */
+	dir = NULL;
+	if (getfield(&dir, 0, &p, fieldsep) == NULL) {
+		goto error;
+	}
+
+
+
+	/* pw_shell field */
+	shell = NULL;
+	if (getfield(&shell, 0, &p, fieldsep) == NULL) {
+		goto error;
+	}
+
+
+
+	pw->pw_name = name;
+	pw->pw_passwd = pass;
+	pw->pw_uid = pwuid;
+	pw->pw_gid = pwgid;
+	pw->pw_gecos = gecos;
+	pw->pw_dir = dir;
+	pw->pw_shell = shell;
+
+#ifdef HAVE_PW_CHANGE
+	pw->pw_change = pwchange;
+#endif
+#ifdef HAVE_PW_CLASS
+	pw->pw_class = class;
+#endif
+#ifdef HAVE_PW_EXPIRE
+	pw->pw_expire = pwexpire;
+#endif
+
+	return (0);
+
+ error:
+	errno = myerrno;
+
+	if (name != NULL) free(name);
+	if (pass != NULL) free(pass);
+	if (gecos != NULL) free(gecos);
+	if (dir != NULL) free(dir);
+	if (shell != NULL) free(shell);
+
+	return (-1);
+}
+
+/* ------------------------- struct passwd ------------------------- */
+#endif /* WANT_IRS_PW */
+/* +++++++++++++++++++++++++ struct group +++++++++++++++++++++++++ */
+
+/*%
+ * int irp_marshall_gr(const struct group *gr, char **buffer, size_t *len)
+ *
+ * notes: \li
+ *
+ *	See irpmarshall.h.
+ *
+ * return: \li
+ *
+ *	0 on success, -1 on failure
+ */
+
+int
+irp_marshall_gr(const struct group *gr, char **buffer, size_t *len) {
+	size_t need = 1;	/*%< for null byte */
+	char grGid[24];
+	const char *fieldsep = COLONSTR;
+
+	if (gr == NULL || len == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	sprintf(grGid, "%ld", (long)gr->gr_gid);
+
+	need += strlen(gr->gr_name) + 1;
+#ifndef MISSING_GR_PASSWD
+	need += strlen(gr->gr_passwd) + 1;
+#else
+	need++;
+#endif
+	need += strlen(grGid) + 1;
+	need += joinlength(gr->gr_mem) + 1;
+
+	if (buffer == NULL) {
+		*len = need;
+		return (0);
+	}
+
+	if (*buffer != NULL && need > *len) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (*buffer == NULL) {
+		need += 2;		/*%< for CRLF */
+		*buffer = memget(need);
+		if (*buffer == NULL) {
+			errno = ENOMEM;
+			return (-1);
+		}
+
+		*len = need;
+	}
+
+	strcpy(*buffer, gr->gr_name);		strcat(*buffer, fieldsep);
+#ifndef MISSING_GR_PASSWD
+	strcat(*buffer, gr->gr_passwd);
+#endif
+	strcat(*buffer, fieldsep);
+	strcat(*buffer, grGid);			strcat(*buffer, fieldsep);
+	joinarray(gr->gr_mem, *buffer, COMMA) ;	strcat(*buffer, fieldsep);
+
+	return (0);
+}
+
+/*%
+ * int irp_unmarshall_gr(struct group *gr, char *buffer)
+ *
+ * notes: \li
+ *
+ *	See irpmarshall.h
+ *
+ * return: \li
+ *
+ *	0 on success and -1 on failure.
+ *
+ */
+
+int
+irp_unmarshall_gr(struct group *gr, char *buffer) {
+	char *p, *q;
+	gid_t grgid;
+	long t;
+	char *name = NULL;
+	char *pass = NULL;
+	char **members = NULL;
+	char tmpbuf[24];
+	char *tb;
+	char fieldsep = ':';
+	int myerrno = EINVAL;
+
+	if (gr == NULL || buffer == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	p = buffer;
+
+	/* gr_name field */
+	name = NULL;
+	if (getfield(&name, 0, &p, fieldsep) == NULL || strlen(name) == 0U) {
+		goto error;
+	}
+
+
+	/* gr_passwd field */
+	pass = NULL;
+	if (getfield(&pass, 0, &p, fieldsep) == NULL) {
+		goto error;
+	}
+
+
+	/* gr_gid field */
+	tb = tmpbuf;
+	if (getfield(&tb, sizeof tmpbuf, &p, fieldsep) == NULL ||
+	    strlen(tb) == 0U) {
+		goto error;
+	}
+	t = strtol(tmpbuf, &tb, 10);
+	if (*tb) {
+		goto error;	/*%< junk in value */
+	}
+	grgid = (gid_t)t;
+	if ((long) grgid != t) {	/*%< value must have been too big. */
+		goto error;
+	}
+
+
+	/* gr_mem field. Member names are separated by commas */
+	q = strchr(p, fieldsep);
+	if (q == NULL) {
+		goto error;
+	}
+	members = splitarray(p, q, COMMA);
+	if (members == NULL) {
+		myerrno = errno;
+		goto error;
+	}
+	p = q + 1;
+
+
+	gr->gr_name = name;
+#ifndef MISSING_GR_PASSWD
+	gr->gr_passwd = pass;
+#endif
+	gr->gr_gid = grgid;
+	gr->gr_mem = members;
+
+	return (0);
+
+ error:
+	errno = myerrno;
+
+	if (name != NULL) free(name);
+	if (pass != NULL) free(pass);
+
+	return (-1);
+}
+
+
+/* ------------------------- struct group ------------------------- */
+
+
+
+
+/* +++++++++++++++++++++++++ struct servent +++++++++++++++++++++++++ */
+
+/*%
+ * int irp_marshall_sv(const struct servent *sv, char **buffer, size_t *len)
+ *
+ * notes: \li
+ *
+ *	See irpmarshall.h
+ *
+ * return: \li
+ *
+ *	0 on success, -1 on failure.
+ *
+ */
+
+int
+irp_marshall_sv(const struct servent *sv, char **buffer, size_t *len) {
+	size_t need = 1;	/*%< for null byte */
+	char svPort[24];
+	const char *fieldsep = COLONSTR;
+	short realport;
+
+	if (sv == NULL || len == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	/* the int s_port field is actually a short in network order. We
+	   want host order to make the marshalled data look correct */
+	realport = ntohs((short)sv->s_port);
+	sprintf(svPort, "%d", realport);
+
+	need += strlen(sv->s_name) + 1;
+	need += joinlength(sv->s_aliases) + 1;
+	need += strlen(svPort) + 1;
+	need += strlen(sv->s_proto) + 1;
+
+	if (buffer == NULL) {
+		*len = need;
+		return (0);
+	}
+
+	if (*buffer != NULL && need > *len) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (*buffer == NULL) {
+		need += 2;		/*%< for CRLF */
+		*buffer = memget(need);
+		if (*buffer == NULL) {
+			errno = ENOMEM;
+			return (-1);
+		}
+
+		*len = need;
+	}
+
+	strcpy(*buffer, sv->s_name);		strcat(*buffer, fieldsep);
+	joinarray(sv->s_aliases, *buffer, COMMA); strcat(*buffer, fieldsep);
+	strcat(*buffer, svPort);		strcat(*buffer, fieldsep);
+	strcat(*buffer, sv->s_proto);		strcat(*buffer, fieldsep);
+
+	return (0);
+}
+
+/*%
+ * int irp_unmarshall_sv(struct servent *sv, char *buffer)
+ *
+ * notes: \li
+ *
+ *	See irpmarshall.h
+ *
+ * return: \li
+ *
+ *	0 on success, -1 on failure.
+ *
+ */
+
+int
+irp_unmarshall_sv(struct servent *sv, char *buffer) {
+	char *p, *q;
+	short svport;
+	long t;
+	char *name = NULL;
+	char *proto = NULL;
+	char **aliases = NULL;
+	char tmpbuf[24];
+	char *tb;
+	char fieldsep = ':';
+	int myerrno = EINVAL;
+
+	if (sv == NULL || buffer == NULL)
+		return (-1);
+
+	p = buffer;
+
+
+	/* s_name field */
+	name = NULL;
+	if (getfield(&name, 0, &p, fieldsep) == NULL || strlen(name) == 0U) {
+		goto error;
+	}
+
+
+	/* s_aliases field */
+	q = strchr(p, fieldsep);
+	if (q == NULL) {
+		goto error;
+	}
+	aliases = splitarray(p, q, COMMA);
+	if (aliases == NULL) {
+		myerrno = errno;
+		goto error;
+	}
+	p = q + 1;
+
+
+	/* s_port field */
+	tb = tmpbuf;
+	if (getfield(&tb, sizeof tmpbuf, &p, fieldsep) == NULL ||
+	    strlen(tb) == 0U) {
+		goto error;
+	}
+	t = strtol(tmpbuf, &tb, 10);
+	if (*tb) {
+		goto error;	/*%< junk in value */
+	}
+	svport = (short)t;
+	if ((long) svport != t) {	/*%< value must have been too big. */
+		goto error;
+	}
+	svport = htons(svport);
+
+	/* s_proto field */
+	proto = NULL;
+	if (getfield(&proto, 0, &p, fieldsep) == NULL) {
+		goto error;
+	}
+
+	sv->s_name = name;
+	sv->s_aliases = aliases;
+	sv->s_port = svport;
+	sv->s_proto = proto;
+
+	return (0);
+
+ error:
+	errno = myerrno;
+
+	if (name != NULL) free(name);
+	if (proto != NULL) free(proto);
+	free_array(aliases, 0);
+
+	return (-1);
+}
+
+
+/* ------------------------- struct servent ------------------------- */
+
+/* +++++++++++++++++++++++++ struct protoent +++++++++++++++++++++++++ */
+
+/*%
+ * int irp_marshall_pr(struct protoent *pr, char **buffer, size_t *len)
+ *
+ * notes: \li
+ *
+ *	See irpmarshall.h
+ *
+ * return: \li
+ *
+ *	0 on success and -1 on failure.
+ *
+ */
+
+int
+irp_marshall_pr(struct protoent *pr, char **buffer, size_t *len) {
+	size_t need = 1;	/*%< for null byte */
+	char prProto[24];
+	const char *fieldsep = COLONSTR;
+
+	if (pr == NULL || len == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	sprintf(prProto, "%d", (int)pr->p_proto);
+
+	need += strlen(pr->p_name) + 1;
+	need += joinlength(pr->p_aliases) + 1;
+	need += strlen(prProto) + 1;
+
+	if (buffer == NULL) {
+		*len = need;
+		return (0);
+	}
+
+	if (*buffer != NULL && need > *len) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (*buffer == NULL) {
+		need += 2;		/*%< for CRLF */
+		*buffer = memget(need);
+		if (*buffer == NULL) {
+			errno = ENOMEM;
+			return (-1);
+		}
+
+		*len = need;
+	}
+
+	strcpy(*buffer, pr->p_name);		strcat(*buffer, fieldsep);
+	joinarray(pr->p_aliases, *buffer, COMMA); strcat(*buffer, fieldsep);
+	strcat(*buffer, prProto);		strcat(*buffer, fieldsep);
+
+	return (0);
+
+}
+
+/*%
+ * int irp_unmarshall_pr(struct protoent *pr, char *buffer)
+ *
+ * notes: \li
+ *
+ *	See irpmarshall.h
+ *
+ * return: \li
+ *
+ *	0 on success, -1 on failure
+ *
+ */
+
+int irp_unmarshall_pr(struct protoent *pr, char *buffer) {
+	char *p, *q;
+	int prproto;
+	long t;
+	char *name = NULL;
+	char **aliases = NULL;
+	char tmpbuf[24];
+	char *tb;
+	char fieldsep = ':';
+	int myerrno = EINVAL;
+
+	if (pr == NULL || buffer == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	p = buffer;
+
+	/* p_name field */
+	name = NULL;
+	if (getfield(&name, 0, &p, fieldsep) == NULL || strlen(name) == 0U) {
+		goto error;
+	}
+
+
+	/* p_aliases field */
+	q = strchr(p, fieldsep);
+	if (q == NULL) {
+		goto error;
+	}
+	aliases = splitarray(p, q, COMMA);
+	if (aliases == NULL) {
+		myerrno = errno;
+		goto error;
+	}
+	p = q + 1;
+
+
+	/* p_proto field */
+	tb = tmpbuf;
+	if (getfield(&tb, sizeof tmpbuf, &p, fieldsep) == NULL ||
+	    strlen(tb) == 0U) {
+		goto error;
+	}
+	t = strtol(tmpbuf, &tb, 10);
+	if (*tb) {
+		goto error;	/*%< junk in value */
+	}
+	prproto = (int)t;
+	if ((long) prproto != t) {	/*%< value must have been too big. */
+		goto error;
+	}
+
+	pr->p_name = name;
+	pr->p_aliases = aliases;
+	pr->p_proto = prproto;
+
+	return (0);
+
+ error:
+	errno = myerrno;
+
+	if (name != NULL) free(name);
+	free_array(aliases, 0);
+
+	return (-1);
+}
+
+/* ------------------------- struct protoent ------------------------- */
+
+
+
+/* +++++++++++++++++++++++++ struct hostent +++++++++++++++++++++++++ */
+
+/*%
+ * int irp_marshall_ho(struct hostent *ho, char **buffer, size_t *len)
+ *
+ * notes: \li
+ *
+ *	See irpmarshall.h.
+ *
+ * return: \li
+ *
+ *	0 on success, -1 on failure.
+ *
+ */
+
+int
+irp_marshall_ho(struct hostent *ho, char **buffer, size_t *len) {
+	size_t need = 1;	/*%< for null byte */
+	char hoaddrtype[24];
+	char holength[24];
+	char **av;
+	char *p;
+	int addrlen;
+	int malloced = 0;
+	size_t remlen;
+	const char *fieldsep = "@";
+
+	if (ho == NULL || len == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	switch(ho->h_addrtype) {
+	case AF_INET:
+		strcpy(hoaddrtype, "AF_INET");
+		break;
+
+	case AF_INET6:
+		strcpy(hoaddrtype, "AF_INET6");
+		break;
+
+	default:
+		errno = EINVAL;
+		return (-1);
+	}
+
+	sprintf(holength, "%d", ho->h_length);
+
+	need += strlen(ho->h_name) + 1;
+	need += joinlength(ho->h_aliases) + 1;
+	need += strlen(hoaddrtype) + 1;
+	need += strlen(holength) + 1;
+
+	/* we determine an upper bound on the string length needed, not an
+	   exact length. */
+	addrlen = (ho->h_addrtype == AF_INET ? 16 : 46) ; /*%< XX other AF's?? */
+	for (av = ho->h_addr_list; av != NULL && *av != NULL ; av++)
+		need += addrlen;
+
+	if (buffer == NULL) {
+		*len = need;
+		return (0);
+	}
+
+	if (*buffer != NULL && need > *len) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (*buffer == NULL) {
+		need += 2;		/*%< for CRLF */
+		*buffer = memget(need);
+		if (*buffer == NULL) {
+			errno = ENOMEM;
+			return (-1);
+		}
+
+		*len = need;
+		malloced = 1;
+	}
+
+	strcpy(*buffer, ho->h_name);		strcat(*buffer, fieldsep);
+	joinarray(ho->h_aliases, *buffer, COMMA); strcat(*buffer, fieldsep);
+	strcat(*buffer, hoaddrtype);		strcat(*buffer, fieldsep);
+	strcat(*buffer, holength);		strcat(*buffer, fieldsep);
+
+	p = *buffer + strlen(*buffer);
+	remlen = need - strlen(*buffer);
+	for (av = ho->h_addr_list ; av != NULL && *av != NULL ; av++) {
+		if (inet_ntop(ho->h_addrtype, *av, p, remlen) == NULL) {
+			goto error;
+		}
+		if (*(av + 1) != NULL)
+			strcat(p, COMMASTR);
+		remlen -= strlen(p);
+		p += strlen(p);
+	}
+	strcat(*buffer, fieldsep);
+
+	return (0);
+
+ error:
+	if (malloced) {
+		memput(*buffer, need);
+	}
+
+	return (-1);
+}
+
+/*%
+ * int irp_unmarshall_ho(struct hostent *ho, char *buffer)
+ *
+ * notes: \li
+ *
+ *	See irpmarshall.h.
+ *
+ * return: \li
+ *
+ *	0 on success, -1 on failure.
+ *
+ */
+
+int
+irp_unmarshall_ho(struct hostent *ho, char *buffer) {
+	char *p, *q, *r;
+	int hoaddrtype;
+	int holength;
+	long t;
+	char *name;
+	char **aliases = NULL;
+	char **hohaddrlist = NULL;
+	size_t hoaddrsize;
+	char tmpbuf[24];
+	char *tb;
+	char **alist;
+	int addrcount;
+	char fieldsep = '@';
+	int myerrno = EINVAL;
+
+	if (ho == NULL || buffer == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	p = buffer;
+
+	/* h_name field */
+	name = NULL;
+	if (getfield(&name, 0, &p, fieldsep) == NULL || strlen(name) == 0U) {
+		goto error;
+	}
+
+
+	/* h_aliases field */
+	q = strchr(p, fieldsep);
+	if (q == NULL) {
+		goto error;
+	}
+	aliases = splitarray(p, q, COMMA);
+	if (aliases == NULL) {
+		myerrno = errno;
+		goto error;
+	}
+	p = q + 1;
+
+
+	/* h_addrtype field */
+	tb = tmpbuf;
+	if (getfield(&tb, sizeof tmpbuf, &p, fieldsep) == NULL ||
+	    strlen(tb) == 0U) {
+		goto error;
+	}
+	if (strcmp(tmpbuf, "AF_INET") == 0)
+		hoaddrtype = AF_INET;
+	else if (strcmp(tmpbuf, "AF_INET6") == 0)
+		hoaddrtype = AF_INET6;
+	else
+		goto error;
+
+
+	/* h_length field */
+	tb = tmpbuf;
+	if (getfield(&tb, sizeof tmpbuf, &p, fieldsep) == NULL ||
+	    strlen(tb) == 0U) {
+		goto error;
+	}
+	t = strtol(tmpbuf, &tb, 10);
+	if (*tb) {
+		goto error;	/*%< junk in value */
+	}
+	holength = (int)t;
+	if ((long) holength != t) {	/*%< value must have been too big. */
+		goto error;
+	}
+
+
+	/* h_addr_list field */
+	q = strchr(p, fieldsep);
+	if (q == NULL)
+		goto error;
+
+	/* count how many addresss are in there */
+	if (q > p + 1) {
+		for (addrcount = 1, r = p ; r != q ; r++) {
+			if (*r == COMMA)
+				addrcount++;
+		}
+	} else {
+		addrcount = 0;
+	}
+
+	hoaddrsize = (addrcount + 1) * sizeof (char *);
+	hohaddrlist = malloc(hoaddrsize);
+	if (hohaddrlist == NULL) {
+		myerrno = ENOMEM;
+		goto error;
+	}
+
+	memset(hohaddrlist, 0x0, hoaddrsize);
+
+	alist = hohaddrlist;
+	for (t = 0, r = p ; r != q ; p = r + 1, t++) {
+		char saved;
+		while (r != q && *r != COMMA) r++;
+		saved = *r;
+		*r = 0x0;
+
+		alist[t] = malloc(hoaddrtype == AF_INET ? 4 : 16);
+		if (alist[t] == NULL) {
+			myerrno = ENOMEM;
+			goto error;
+		}
+
+		if (inet_pton(hoaddrtype, p, alist[t]) == -1)
+			goto error;
+		*r = saved;
+	}
+	alist[t] = NULL;
+
+	ho->h_name = name;
+	ho->h_aliases = aliases;
+	ho->h_addrtype = hoaddrtype;
+	ho->h_length = holength;
+	ho->h_addr_list = hohaddrlist;
+
+	return (0);
+
+ error:
+	errno = myerrno;
+
+	if (name != NULL) free(name);
+	free_array(hohaddrlist, 0);
+	free_array(aliases, 0);
+
+	return (-1);
+}
+
+/* ------------------------- struct hostent------------------------- */
+
+
+
+/* +++++++++++++++++++++++++ struct netgrp +++++++++++++++++++++++++ */
+
+/*%
+ * int irp_marshall_ng(const char *host, const char *user,
+ *		       const char *domain, char *buffer, size_t *len)
+ *
+ * notes: \li
+ *
+ *	See note for irp_marshall_ng_start
+ *
+ * return: \li
+ *
+ *	0 on success, 0 on failure.
+ *
+ */
+
+int
+irp_marshall_ng(const char *host, const char *user, const char *domain,
+		char **buffer, size_t *len) {
+	size_t need = 1; /*%< for nul byte */
+	const char *fieldsep = ",";
+
+	if (len == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	need += 4;		       /*%< two parens and two commas */
+	need += (host == NULL ? 0 : strlen(host));
+	need += (user == NULL ? 0 : strlen(user));
+	need += (domain == NULL ? 0 : strlen(domain));
+
+	if (buffer == NULL) {
+		*len = need;
+		return (0);
+	} else if (*buffer != NULL && need > *len) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (*buffer == NULL) {
+		need += 2;		/*%< for CRLF */
+		*buffer = memget(need);
+		if (*buffer == NULL) {
+			errno = ENOMEM;
+			return (-1);
+		}
+
+		*len = need;
+	}
+
+	(*buffer)[0] = '(';
+	(*buffer)[1] = '\0';
+
+	if (host != NULL)
+		strcat(*buffer, host);
+	strcat(*buffer, fieldsep);
+
+	if (user != NULL)
+		strcat(*buffer, user);
+	strcat(*buffer, fieldsep);
+
+	if (domain != NULL)
+		strcat(*buffer, domain);
+	strcat(*buffer, ")");
+
+	return (0);
+}
+
+
+
+/* ---------- */
+
+/*%
+ * int irp_unmarshall_ng(const char **host, const char **user,
+ *			 const char **domain, char *buffer)
+ *
+ * notes: \li
+ *
+ *	Unpacks the BUFFER into 3 character arrays it allocates and assigns
+ *	to *HOST, *USER and *DOMAIN. If any field of the value is empty,
+ *	then the corresponding paramater value will be set to NULL.
+ *
+ * return: \li
+ *
+ *	0 on success and -1 on failure.
+ */
+
+int
+irp_unmarshall_ng(const char **hostp, const char **userp, const char **domainp,
+		  char *buffer)
+{
+	char *p, *q;
+	char fieldsep = ',';
+	int myerrno = EINVAL;
+	char *host, *user, *domain;
+
+	if (userp == NULL || hostp == NULL ||
+	    domainp == NULL || buffer == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	host = user = domain = NULL;
+
+	p = buffer;
+	while (isspace((unsigned char)*p)) {
+		p++;
+	}
+	if (*p != '(') {
+		goto error;
+	}
+
+	q = p + 1;
+	while (*q && *q != fieldsep)
+		q++;
+	if (!*q) {
+		goto error;
+	} else if (q > p + 1) {
+		host = strndup(p, q - p);
+	}
+
+	p = q + 1;
+	if (!*p) {
+		goto error;
+	} else if (*p != fieldsep) {
+		q = p + 1;
+		while (*q && *q != fieldsep)
+			q++;
+		if (!*q) {
+			goto error;
+		}
+		user = strndup(p, q - p);
+	} else {
+		p++;
+	}
+
+	if (!*p) {
+		goto error;
+	} else if (*p != ')') {
+		q = p + 1;
+		while (*q && *q != ')')
+			q++;
+		if (!*q) {
+			goto error;
+		}
+		domain = strndup(p, q - p);
+	}
+	*hostp = host;
+	*userp = user;
+	*domainp = domain;
+
+	return (0);
+
+ error:
+	errno = myerrno;
+
+	if (host != NULL) free(host);
+	if (user != NULL) free(user);
+
+	return (-1);
+}
+
+/* ------------------------- struct netgrp ------------------------- */
+
+
+
+
+/* +++++++++++++++++++++++++ struct nwent +++++++++++++++++++++++++ */
+
+/*%
+ * int irp_marshall_nw(struct nwent *ne, char **buffer, size_t *len)
+ *
+ * notes: \li
+ *
+ *	See at top.
+ *
+ * return: \li
+ *
+ *	0 on success and -1 on failure.
+ *
+ */
+
+int
+irp_marshall_nw(struct nwent *ne, char **buffer, size_t *len) {
+	size_t need = 1;	/*%< for null byte */
+	char nAddrType[24];
+	char nNet[MAXPADDRSIZE];
+	const char *fieldsep = COLONSTR;
+
+	if (ne == NULL || len == NULL) {
+		return (-1);
+	}
+
+	strcpy(nAddrType, ADDR_T_STR(ne->n_addrtype));
+
+	if (inet_net_ntop(ne->n_addrtype, ne->n_addr, ne->n_length,
+			  nNet, sizeof nNet) == NULL) {
+		return (-1);
+	}
+
+
+	need += strlen(ne->n_name) + 1;
+	need += joinlength(ne->n_aliases) + 1;
+	need += strlen(nAddrType) + 1;
+	need += strlen(nNet) + 1;
+
+	if (buffer == NULL) {
+		*len = need;
+		return (0);
+	}
+
+	if (*buffer != NULL && need > *len) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (*buffer == NULL) {
+		need += 2;		/*%< for CRLF */
+		*buffer = memget(need);
+		if (*buffer == NULL) {
+			errno = ENOMEM;
+			return (-1);
+		}
+
+		*len = need;
+	}
+
+	strcpy(*buffer, ne->n_name);		strcat(*buffer, fieldsep);
+	joinarray(ne->n_aliases, *buffer, COMMA) ; strcat(*buffer, fieldsep);
+	strcat(*buffer, nAddrType);		strcat(*buffer, fieldsep);
+	strcat(*buffer, nNet);			strcat(*buffer, fieldsep);
+
+	return (0);
+}
+
+/*%
+ * int irp_unmarshall_nw(struct nwent *ne, char *buffer)
+ *
+ * notes: \li
+ *
+ *	See note up top.
+ *
+ * return: \li
+ *
+ *	0 on success and -1 on failure.
+ *
+ */
+
+int
+irp_unmarshall_nw(struct nwent *ne, char *buffer) {
+	char *p, *q;
+	int naddrtype;
+	long nnet;
+	int bits;
+	char *name = NULL;
+	char **aliases = NULL;
+	char tmpbuf[24];
+	char *tb;
+	char fieldsep = ':';
+	int myerrno = EINVAL;
+
+	if (ne == NULL || buffer == NULL) {
+		goto error;
+	}
+
+	p = buffer;
+
+	/* n_name field */
+	name = NULL;
+	if (getfield(&name, 0, &p, fieldsep) == NULL || strlen(name) == 0U) {
+		goto error;
+	}
+
+
+	/* n_aliases field. Aliases are separated by commas */
+	q = strchr(p, fieldsep);
+	if (q == NULL) {
+		goto error;
+	}
+	aliases = splitarray(p, q, COMMA);
+	if (aliases == NULL) {
+		myerrno = errno;
+		goto error;
+	}
+	p = q + 1;
+
+
+	/* h_addrtype field */
+	tb = tmpbuf;
+	if (getfield(&tb, sizeof tmpbuf, &p, fieldsep) == NULL ||
+	    strlen(tb) == 0U) {
+		goto error;
+	}
+	if (strcmp(tmpbuf, "AF_INET") == 0)
+		naddrtype = AF_INET;
+	else if (strcmp(tmpbuf, "AF_INET6") == 0)
+		naddrtype = AF_INET6;
+	else
+		goto error;
+
+
+	/* n_net field */
+	tb = tmpbuf;
+	if (getfield(&tb, sizeof tmpbuf, &p, fieldsep) == NULL ||
+	    strlen(tb) == 0U) {
+		goto error;
+	}
+	nnet = 0;
+	bits = inet_net_pton(naddrtype, tmpbuf, &nnet, sizeof nnet);
+	if (bits < 0) {
+		goto error;
+	}
+
+	/* nnet = ntohl(nnet); */ /* keep in network order for nwent */
+
+	ne->n_name = name;
+	ne->n_aliases = aliases;
+	ne->n_addrtype = naddrtype;
+	ne->n_length = bits;
+	ne->n_addr = malloc(sizeof nnet);
+	if (ne->n_addr == NULL) {
+		goto error;
+	}
+
+	memcpy(ne->n_addr, &nnet, sizeof nnet);
+
+	return (0);
+
+ error:
+	errno = myerrno;
+
+	if (name != NULL) free(name);
+	free_array(aliases, 0);
+
+	return (-1);
+}
+
+
+/* ------------------------- struct nwent ------------------------- */
+
+
+/* +++++++++++++++++++++++++ struct netent +++++++++++++++++++++++++ */
+
+/*%
+ * int irp_marshall_ne(struct netent *ne, char **buffer, size_t *len)
+ *
+ * notes: \li
+ *
+ *	See at top.
+ *
+ * return: \li
+ *
+ *	0 on success and -1 on failure.
+ *
+ */
+
+int
+irp_marshall_ne(struct netent *ne, char **buffer, size_t *len) {
+	size_t need = 1;	/*%< for null byte */
+	char nAddrType[24];
+	char nNet[MAXPADDRSIZE];
+	const char *fieldsep = COLONSTR;
+	long nval;
+
+	if (ne == NULL || len == NULL) {
+		return (-1);
+	}
+
+	strcpy(nAddrType, ADDR_T_STR(ne->n_addrtype));
+
+	nval = htonl(ne->n_net);
+	if (inet_ntop(ne->n_addrtype, &nval, nNet, sizeof nNet) == NULL) {
+		return (-1);
+	}
+
+	need += strlen(ne->n_name) + 1;
+	need += joinlength(ne->n_aliases) + 1;
+	need += strlen(nAddrType) + 1;
+	need += strlen(nNet) + 1;
+
+	if (buffer == NULL) {
+		*len = need;
+		return (0);
+	}
+
+	if (*buffer != NULL && need > *len) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (*buffer == NULL) {
+		need += 2;		/*%< for CRLF */
+		*buffer = memget(need);
+		if (*buffer == NULL) {
+			errno = ENOMEM;
+			return (-1);
+		}
+
+		*len = need;
+	}
+
+	strcpy(*buffer, ne->n_name);		strcat(*buffer, fieldsep);
+	joinarray(ne->n_aliases, *buffer, COMMA) ; strcat(*buffer, fieldsep);
+	strcat(*buffer, nAddrType);		strcat(*buffer, fieldsep);
+	strcat(*buffer, nNet);			strcat(*buffer, fieldsep);
+
+	return (0);
+}
+
+/*%
+ * int irp_unmarshall_ne(struct netent *ne, char *buffer)
+ *
+ * notes: \li
+ *
+ *	See note up top.
+ *
+ * return: \li
+ *
+ *	0 on success and -1 on failure.
+ *
+ */
+
+int
+irp_unmarshall_ne(struct netent *ne, char *buffer) {
+	char *p, *q;
+	int naddrtype;
+	long nnet;
+	int bits;
+	char *name = NULL;
+	char **aliases = NULL;
+	char tmpbuf[24];
+	char *tb;
+	char fieldsep = ':';
+	int myerrno = EINVAL;
+
+	if (ne == NULL || buffer == NULL) {
+		goto error;
+	}
+
+	p = buffer;
+
+	/* n_name field */
+	name = NULL;
+	if (getfield(&name, 0, &p, fieldsep) == NULL || strlen(name) == 0U) {
+		goto error;
+	}
+
+
+	/* n_aliases field. Aliases are separated by commas */
+	q = strchr(p, fieldsep);
+	if (q == NULL) {
+		goto error;
+	}
+	aliases = splitarray(p, q, COMMA);
+	if (aliases == NULL) {
+		myerrno = errno;
+		goto error;
+	}
+	p = q + 1;
+
+
+	/* h_addrtype field */
+	tb = tmpbuf;
+	if (getfield(&tb, sizeof tmpbuf, &p, fieldsep) == NULL ||
+	    strlen(tb) == 0U) {
+		goto error;
+	}
+	if (strcmp(tmpbuf, "AF_INET") == 0)
+		naddrtype = AF_INET;
+	else if (strcmp(tmpbuf, "AF_INET6") == 0)
+		naddrtype = AF_INET6;
+	else
+		goto error;
+
+
+	/* n_net field */
+	tb = tmpbuf;
+	if (getfield(&tb, sizeof tmpbuf, &p, fieldsep) == NULL ||
+	    strlen(tb) == 0U) {
+		goto error;
+	}
+	bits = inet_net_pton(naddrtype, tmpbuf, &nnet, sizeof nnet);
+	if (bits < 0) {
+		goto error;
+	}
+	nnet = ntohl(nnet);
+
+	ne->n_name = name;
+	ne->n_aliases = aliases;
+	ne->n_addrtype = naddrtype;
+	ne->n_net = nnet;
+
+	return (0);
+
+ error:
+	errno = myerrno;
+
+	if (name != NULL) free(name);
+	free_array(aliases, 0);
+
+	return (-1);
+}
+
+
+/* ------------------------- struct netent ------------------------- */
+
+
+/* =========================================================================== */
+
+/*%
+ * static char ** splitarray(const char *buffer, const char *buffend, char delim)
+ *
+ * notes: \li
+ *
+ *	Split a delim separated astring. Not allowed
+ *	to have two delims next to each other. BUFFER points to begining of
+ *	string, BUFFEND points to one past the end of the string
+ *	(i.e. points at where the null byte would be if null
+ *	terminated).
+ *
+ * return: \li
+ *
+ *	Returns a malloced array of pointers, each pointer pointing to a
+ *	malloced string. If BUFEER is an empty string, then return values is
+ *	array of 1 pointer that is NULL. Returns NULL on failure.
+ *
+ */
+
+static char **
+splitarray(const char *buffer, const char *buffend, char delim) {
+	const char *p, *q;
+	int count = 0;
+	char **arr = NULL;
+	char **aptr;
+
+	if (buffend < buffer)
+		return (NULL);
+	else if (buffend > buffer && *buffer == delim)
+		return (NULL);
+	else if (buffend > buffer && *(buffend - 1) == delim)
+		return (NULL);
+
+	/* count the number of field and make sure none are empty */
+	if (buffend > buffer + 1) {
+		for (count = 1, q = buffer ; q != buffend ; q++) {
+			if (*q == delim) {
+				if (q > buffer && (*(q - 1) == delim)) {
+					errno = EINVAL;
+					return (NULL);
+				}
+				count++;
+			}
+		}
+	}
+
+	if (count > 0) {
+		count++ ;		/*%< for NULL at end */
+		aptr = arr = malloc(count * sizeof (char *));
+		if (aptr == NULL) {
+			 errno = ENOMEM;
+			 return (NULL);
+		 }
+
+		memset(arr, 0x0, count * sizeof (char *));
+		for (p = buffer ; p < buffend ; p++) {
+			for (q = p ; *q != delim && q != buffend ; q++)
+				/* nothing */;
+			*aptr = strndup(p, q - p);
+
+			p = q;
+			aptr++;
+		}
+		*aptr = NULL;
+	} else {
+		arr = malloc(sizeof (char *));
+		if (arr == NULL) {
+			errno = ENOMEM;
+			return (NULL);
+		}
+
+		*arr = NULL;
+	}
+
+	return (arr);
+}
+
+/*%
+ * static size_t joinlength(char * const *argv)
+ *
+ * return: \li
+ *
+ *	the number of bytes in all the arrays pointed at
+ *	by argv, including their null bytes(which will usually be turned
+ *	into commas).
+ *
+ *
+ */
+
+static size_t
+joinlength(char * const *argv) {
+	int len = 0;
+
+	while (argv && *argv) {
+		len += (strlen(*argv) + 1);
+		argv++;
+	}
+
+	return (len);
+}
+
+/*%
+ * int joinarray(char * const *argv, char *buffer, char delim)
+ *
+ * notes: \li
+ *
+ *	Copy all the ARGV strings into the end of BUFFER
+ *	separating them with DELIM.  BUFFER is assumed to have
+ *	enough space to hold everything and to be already null-terminated.
+ *
+ * return: \li
+ *
+ *	0 unless argv or buffer is NULL.
+ *
+ *
+ */
+
+static int
+joinarray(char * const *argv, char *buffer, char delim) {
+	char * const *p;
+	char sep[2];
+
+	if (argv == NULL || buffer == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	sep[0] = delim;
+	sep[1] = 0x0;
+
+	for (p = argv ; *p != NULL ; p++) {
+		strcat(buffer, *p);
+		if (*(p + 1) != NULL) {
+			strcat(buffer, sep);
+		}
+	}
+
+	return (0);
+}
+
+/*%
+ * static char * getfield(char **res, size_t reslen, char **ptr, char delim)
+ *
+ * notes: \li
+ *
+ *	Stores in *RES, which is a buffer of length RESLEN, a
+ *	copy of the bytes from *PTR up to and including the first
+ *	instance of DELIM. If *RES is NULL, then it will be
+ *	assigned a malloced buffer to hold the copy. *PTR is
+ *	modified to point at the found delimiter.
+ *
+ * return: \li
+ *
+ *	If there was no delimiter, then NULL is returned,
+ *	otherewise *RES is returned.
+ *
+ */
+
+static char *
+getfield(char **res, size_t reslen, char **ptr, char delim) {
+	char *q;
+
+	if (res == NULL || ptr == NULL || *ptr == NULL) {
+		errno = EINVAL;
+		return (NULL);
+	}
+
+	q = strchr(*ptr, delim);
+
+	if (q == NULL) {
+		errno = EINVAL;
+		return (NULL);
+	} else {
+		if (*res == NULL) {
+			*res = strndup(*ptr, q - *ptr);
+		} else {
+			if ((size_t)(q - *ptr + 1) > reslen) { /*%< to big for res */
+				errno = EINVAL;
+				return (NULL);
+			} else {
+				strncpy(*res, *ptr, q - *ptr);
+				(*res)[q - *ptr] = 0x0;
+			}
+		}
+		*ptr = q + 1;
+	}
+
+	return (*res);
+}
+
+
+
+
+
+#ifndef HAVE_STRNDUP
+/*
+ * static char * strndup(const char *str, size_t len)
+ *
+ * notes: \li
+ *
+ *	like strdup, except do len bytes instead of the whole string. Always
+ *	null-terminates.
+ *
+ * return: \li
+ *
+ *	The newly malloced string.
+ *
+ */
+
+static char *
+strndup(const char *str, size_t len) {
+	char *p = malloc(len + 1);
+
+	if (p == NULL)
+		return (NULL);
+	strncpy(p, str, len);
+	p[len] = 0x0;
+	return (p);
+}
+#endif
+
+#if WANT_MAIN
+
+/*%
+ * static int strcmp_nws(const char *a, const char *b)
+ *
+ * notes: \li
+ *
+ *	do a strcmp, except uneven lengths of whitespace compare the same
+ *
+ * return: \li
+ *
+ */
+
+static int
+strcmp_nws(const char *a, const char *b) {
+	while (*a && *b) {
+		if (isspace(*a) && isspace(*b)) {
+			do {
+				a++;
+			} while (isspace(*a));
+			do {
+				b++;
+			} while (isspace(*b));
+		}
+		if (*a < *b)
+			return (-1);
+		else if (*a > *b)
+			return (1);
+
+		a++;
+		b++;;
+	}
+
+	if (*a == *b)
+		return (0);
+	else if (*a > *b)
+		return (1);
+	else
+		return (-1);
+}
+
+#endif
+
+/*%
+ * static void free_array(char **argv, size_t entries)
+ *
+ * notes: \li
+ *
+ *	Free argv and each of the pointers inside it. The end of
+ *	the array is when a NULL pointer is found inside. If
+ *	entries is > 0, then NULL pointers inside the array do
+ *	not indicate the end of the array.
+ *
+ */
+
+static void
+free_array(char **argv, size_t entries) {
+	char **p = argv;
+	int useEntries = (entries > 0U);
+
+	if (argv == NULL)
+		return;
+
+	while ((useEntries && entries > 0U) || *p) {
+		if (*p)
+			free(*p);
+		p++;
+		if (useEntries)
+			entries--;
+	}
+	free(argv);
+}
+
+
+
+
+
+/* ************************************************** */
+
+#if WANT_MAIN
+
+/*% takes an option to indicate what sort of marshalling(read the code) and
+   an argument. If the argument looks like a marshalled buffer(has a ':'
+   embedded) then it's unmarshalled and the remarshalled and the new string
+   is compared to the old one.
+*/
+
+int
+main(int argc, char **argv) {
+	char buffer[1024];
+	char *b = &buffer[0];
+	size_t len = sizeof buffer;
+	char option;
+
+	if (argc < 2 || argv[1][0] != '-')
+		exit(1);
+
+	option = argv[1][1];
+	argv++;
+	argc--;
+
+
+#if 0
+	{
+		char buff[10];
+		char *p = argv[1], *q = &buff[0];
+
+		while (getfield(&q, sizeof buff, &p, ':') != NULL) {
+			printf("field: \"%s\"\n", q);
+			p++;
+		}
+		printf("p is now \"%s\"\n", p);
+	}
+#endif
+
+#if 0
+	{
+		char **x = splitarray(argv[1], argv[1] + strlen(argv[1]),
+				      argv[2][0]);
+		char **p;
+
+		if (x == NULL)
+			printf("split failed\n");
+
+		for (p = x ; p != NULL && *p != NULL ; p++) {
+			printf("\"%s\"\n", *p);
+		}
+	}
+#endif
+
+#if 1
+	switch(option) {
+	case 'n': {
+		struct nwent ne;
+		int i;
+
+		if (strchr(argv[1], ':') != NULL) {
+			if (irp_unmarshall_nw(&ne, argv[1]) != 0) {
+				printf("Unmarhsalling failed\n");
+				exit(1);
+			}
+
+			printf("Name: \"%s\"\n", ne.n_name);
+			printf("Aliases:");
+			for (i = 0 ; ne.n_aliases[i] != NULL ; i++)
+				printf("\n\t\"%s\"", ne.n_aliases[i]);
+			printf("\nAddrtype: %s\n", ADDR_T_STR(ne.n_addrtype));
+			inet_net_ntop(ne.n_addrtype, ne.n_addr, ne.n_length,
+				      buffer, sizeof buffer);
+			printf("Net: \"%s\"\n", buffer);
+			*((long*)ne.n_addr) = htonl(*((long*)ne.n_addr));
+			inet_net_ntop(ne.n_addrtype, ne.n_addr, ne.n_length,
+				      buffer, sizeof buffer);
+			printf("Corrected Net: \"%s\"\n", buffer);
+		} else {
+			struct netent *np1 = getnetbyname(argv[1]);
+			ne.n_name = np1->n_name;
+			ne.n_aliases = np1->n_aliases;
+			ne.n_addrtype = np1->n_addrtype;
+			ne.n_addr = &np1->n_net;
+			ne.n_length = (IN_CLASSA(np1->n_net) ?
+				       8 :
+				       (IN_CLASSB(np1->n_net) ?
+					16 :
+					(IN_CLASSC(np1->n_net) ?
+					 24 : -1)));
+			np1->n_net = htonl(np1->n_net);
+			if (irp_marshall_nw(&ne, &b, &len) != 0) {
+				printf("Marshalling failed\n");
+			}
+			printf("%s\n", b);
+		}
+		break;
+	}
+
+
+	case 'r': {
+		char **hosts, **users, **domains;
+		size_t entries;
+		int i;
+		char *buff;
+		size_t size;
+		char *ngname;
+
+		if (strchr(argv[1], '(') != NULL) {
+			if (irp_unmarshall_ng(&ngname, &entries,
+					      &hosts, &users, &domains,
+					      argv[1]) != 0) {
+				printf("unmarshall failed\n");
+				exit(1);
+			}
+
+#define STRVAL(x) (x == NULL ? "*" : x)
+
+			printf("%s {\n", ngname);
+			for (i = 0 ; i < entries ; i++)
+				printf("\t\"%s\" : \"%s\" : \"%s\"\n",
+				       STRVAL(hosts[i]),
+				       STRVAL(users[i]),
+				       STRVAL(domains[i]));
+			printf("}\n\n\n");
+
+
+			irp_marshall_ng_start(ngname, NULL, &size);
+			for (i = 0 ; i < entries ; i++)
+				irp_marshall_ng_next(hosts[i], users[i],
+						     domains[i], NULL, &size);
+			irp_marshall_ng_end(NULL, &size);
+
+			buff = malloc(size);
+
+			irp_marshall_ng_start(ngname, buff, &size);
+			for (i = 0 ; i < entries ; i++) {
+				if (irp_marshall_ng_next(hosts[i], users[i],
+							 domains[i], buff,
+							 &size) != 0)
+					printf("next marshalling failed.\n");
+			}
+			irp_marshall_ng_end(buff, &size);
+
+			if (strcmp_nws(argv[1], buff) != 0) {
+				printf("compare failed:\n\t%s\n\t%s\n",
+				       buffer, argv[1]);
+			} else {
+				printf("compare ok\n");
+			}
+		} else {
+			char *h, *u, *d, *buff;
+			size_t size;
+
+			/* run through two times. First to figure out how
+			   much of a buffer we need. Second to do the
+			   actual marshalling */
+
+			setnetgrent(argv[1]);
+			irp_marshall_ng_start(argv[1], NULL, &size);
+			while (getnetgrent(&h, &u, &d) == 1)
+				irp_marshall_ng_next(h, u, d, NULL, &size);
+			irp_marshall_ng_end(NULL, &size);
+			endnetgrent(argv[1]);
+
+			buff = malloc(size);
+
+			setnetgrent(argv[1]);
+			if (irp_marshall_ng_start(argv[1], buff, &size) != 0)
+				printf("Marshalling start failed\n");
+
+			while (getnetgrent(&h, &u, &d) == 1) {
+				if (irp_marshall_ng_next(h, u, d, buff, &size)
+				    != 0) {
+					printf("Marshalling failed\n");
+				}
+			}
+
+			irp_marshall_ng_end(buff, &size);
+			endnetgrent();
+
+			printf("success: %s\n", buff);
+		}
+		break;
+	}
+
+
+
+	case 'h': {
+		struct hostent he, *hp;
+		int i;
+
+
+		if (strchr(argv[1], '@') != NULL) {
+			if (irp_unmarshall_ho(&he, argv[1]) != 0) {
+				printf("unmarshall failed\n");
+				exit(1);
+			}
+
+			printf("Host: \"%s\"\nAliases:", he.h_name);
+			for (i = 0 ; he.h_aliases[i] != NULL ; i++)
+				printf("\n\t\t\"%s\"", he.h_aliases[i]);
+			printf("\nAddr Type: \"%s\"\n",
+			       ADDR_T_STR(he.h_addrtype));
+			printf("Length: %d\nAddresses:", he.h_length);
+			for (i = 0 ; he.h_addr_list[i] != 0 ; i++) {
+				inet_ntop(he.h_addrtype, he.h_addr_list[i],
+					  buffer, sizeof buffer);
+				printf("\n\t\"%s\"\n", buffer);
+			}
+			printf("\n\n");
+
+			irp_marshall_ho(&he, &b, &len);
+			if (strcmp(argv[1], buffer) != 0) {
+				printf("compare failed:\n\t\"%s\"\n\t\"%s\"\n",
+				       buffer, argv[1]);
+			} else {
+				printf("compare ok\n");
+			}
+		} else {
+			if ((hp = gethostbyname(argv[1])) == NULL) {
+				perror("gethostbyname");
+				printf("\"%s\"\n", argv[1]);
+				exit(1);
+			}
+
+			if (irp_marshall_ho(hp, &b, &len) != 0) {
+				printf("irp_marshall_ho failed\n");
+				exit(1);
+			}
+
+			printf("success: \"%s\"\n", buffer);
+		}
+		break;
+	}
+
+
+	case 's': {
+		struct servent *sv;
+		struct servent sv1;
+
+		if (strchr(argv[1], ':') != NULL) {
+			sv = &sv1;
+			memset(sv, 0xef, sizeof (struct servent));
+			if (irp_unmarshall_sv(sv, argv[1]) != 0) {
+				printf("unmarshall failed\n");
+
+			}
+
+			irp_marshall_sv(sv, &b, &len);
+			if (strcmp(argv[1], buffer) != 0) {
+				printf("compare failed:\n\t\"%s\"\n\t\"%s\"\n",
+				       buffer, argv[1]);
+			} else {
+				printf("compare ok\n");
+			}
+		} else {
+			if ((sv = getservbyname(argv[1], argv[2])) == NULL) {
+				perror("getservent");
+				exit(1);
+			}
+
+			if (irp_marshall_sv(sv, &b, &len) != 0) {
+				printf("irp_marshall_sv failed\n");
+				exit(1);
+			}
+
+			printf("success: \"%s\"\n", buffer);
+		}
+		break;
+	}
+
+	case 'g': {
+		struct group *gr;
+		struct group gr1;
+
+		if (strchr(argv[1], ':') != NULL) {
+			gr = &gr1;
+			memset(gr, 0xef, sizeof (struct group));
+			if (irp_unmarshall_gr(gr, argv[1]) != 0) {
+				printf("unmarshall failed\n");
+
+			}
+
+			irp_marshall_gr(gr, &b, &len);
+			if (strcmp(argv[1], buffer) != 0) {
+				printf("compare failed:\n\t\"%s\"\n\t\"%s\"\n",
+				       buffer, argv[1]);
+			} else {
+				printf("compare ok\n");
+			}
+		} else {
+			if ((gr = getgrnam(argv[1])) == NULL) {
+				perror("getgrnam");
+				exit(1);
+			}
+
+			if (irp_marshall_gr(gr, &b, &len) != 0) {
+				printf("irp_marshall_gr failed\n");
+				exit(1);
+			}
+
+			printf("success: \"%s\"\n", buffer);
+		}
+		break;
+	}
+
+
+	case 'p': {
+		struct passwd *pw;
+		struct passwd pw1;
+
+		if (strchr(argv[1], ':') != NULL) {
+			pw = &pw1;
+			memset(pw, 0xef, sizeof (*pw));
+			if (irp_unmarshall_pw(pw, argv[1]) != 0) {
+				printf("unmarshall failed\n");
+				exit(1);
+			}
+
+			printf("User: \"%s\"\nPasswd: \"%s\"\nUid: %ld\nGid: %ld\n",
+			       pw->pw_name, pw->pw_passwd, (long)pw->pw_uid,
+			       (long)pw->pw_gid);
+			printf("Class: \"%s\"\nChange: %ld\nGecos: \"%s\"\n",
+			       pw->pw_class, (long)pw->pw_change, pw->pw_gecos);
+			printf("Shell: \"%s\"\nDirectory: \"%s\"\n",
+			       pw->pw_shell, pw->pw_dir);
+
+			pw = getpwnam(pw->pw_name);
+			irp_marshall_pw(pw, &b, &len);
+			if (strcmp(argv[1], buffer) != 0) {
+				printf("compare failed:\n\t\"%s\"\n\t\"%s\"\n",
+				       buffer, argv[1]);
+			} else {
+				printf("compare ok\n");
+			}
+		} else {
+			if ((pw = getpwnam(argv[1])) == NULL) {
+				perror("getpwnam");
+				exit(1);
+			}
+
+			if (irp_marshall_pw(pw, &b, &len) != 0) {
+				printf("irp_marshall_pw failed\n");
+				exit(1);
+			}
+
+			printf("success: \"%s\"\n", buffer);
+		}
+		break;
+	}
+
+	default:
+		printf("Wrong option: %c\n", option);
+		break;
+	}
+
+#endif
+
+	return (0);
+}
+
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/irs_data.c b/usr/src/lib/libresolv2_joy/common/irs/irs_data.c
new file mode 100644
index 0000000000..f12ca20f38
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/irs_data.c
@@ -0,0 +1,254 @@
+/*
+ * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ */
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: irs_data.c,v 1.12 2007/08/27 03:32:26 marka Exp $";
+#endif
+
+#include "port_before.h"
+
+#ifndef __BIND_NOSTATIC
+
+#include <sys/types.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <string.h>
+#include <isc/memcluster.h>
+
+#ifdef DO_PTHREADS
+#include <pthread.h>
+#endif
+
+#include <irs.h>
+#include <stdlib.h>
+
+#include "port_after.h"
+
+#include "irs_data.h"
+#undef _res
+#if !(__GLIBC__ > 2 || __GLIBC__ == 2 &&  __GLIBC_MINOR__ >= 3)
+#undef h_errno
+extern int h_errno;
+#endif
+
+extern struct __res_state _res;
+
+#ifdef	DO_PTHREADS
+static pthread_key_t	key;
+static int		once = 0;
+#else
+static struct net_data	*net_data;
+#endif
+
+void
+irs_destroy(void) {
+#ifndef DO_PTHREADS
+	if (net_data != NULL)
+		net_data_destroy(net_data);
+	net_data = NULL;
+#endif
+}
+
+void
+net_data_destroy(void *p) {
+	struct net_data *net_data = p;
+
+	res_ndestroy(net_data->res);
+	if (net_data->gr != NULL) {
+		(*net_data->gr->close)(net_data->gr);
+		net_data->gr = NULL;
+	}
+	if (net_data->pw != NULL) {
+		(*net_data->pw->close)(net_data->pw);
+		net_data->pw = NULL;
+	}
+	if (net_data->sv != NULL) {
+		(*net_data->sv->close)(net_data->sv);
+		net_data->sv = NULL;
+	}
+	if (net_data->pr != NULL) {
+		(*net_data->pr->close)(net_data->pr);
+		net_data->pr = NULL;
+	}
+	if (net_data->ho != NULL) {
+		(*net_data->ho->close)(net_data->ho);
+		net_data->ho = NULL;
+	}
+	if (net_data->nw != NULL) {
+		(*net_data->nw->close)(net_data->nw);
+		net_data->nw = NULL;
+	}
+	if (net_data->ng != NULL) {
+		(*net_data->ng->close)(net_data->ng);
+		net_data->ng = NULL;
+	}
+	if (net_data->ho_data != NULL) {
+		free(net_data->ho_data);
+		net_data->ho_data = NULL;
+	}
+	if (net_data->nw_data != NULL) {
+		free(net_data->nw_data);
+		net_data->nw_data = NULL;
+	}
+
+	(*net_data->irs->close)(net_data->irs);
+	memput(net_data, sizeof *net_data);
+}
+
+/*%
+ *  applications that need a specific config file other than
+ * _PATH_IRS_CONF should call net_data_init directly rather than letting
+ *   the various wrapper functions make the first call. - brister
+ */
+
+struct net_data *
+net_data_init(const char *conf_file) {
+#ifdef	DO_PTHREADS
+#ifndef LIBBIND_MUTEX_INITIALIZER
+#define LIBBIND_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
+#endif
+	static pthread_mutex_t keylock = LIBBIND_MUTEX_INITIALIZER;
+	struct net_data *net_data;
+
+	if (!once) {
+		if (pthread_mutex_lock(&keylock) != 0)
+			return (NULL);
+		if (!once) {
+			if (pthread_key_create(&key, net_data_destroy) != 0) {
+				(void)pthread_mutex_unlock(&keylock);
+				return (NULL);
+			}
+			once = 1;
+		}
+		if (pthread_mutex_unlock(&keylock) != 0)
+			return (NULL);
+	}
+	net_data = pthread_getspecific(key);
+#endif
+
+	if (net_data == NULL) {
+		net_data = net_data_create(conf_file);
+		if (net_data == NULL)
+			return (NULL);
+#ifdef	DO_PTHREADS
+		if (pthread_setspecific(key, net_data) != 0) {
+			net_data_destroy(net_data);
+			return (NULL);
+		}
+#endif
+	}
+
+	return (net_data);
+}
+
+struct net_data *
+net_data_create(const char *conf_file) {
+	struct net_data *net_data;
+
+	net_data = memget(sizeof (struct net_data));
+	if (net_data == NULL)
+		return (NULL);
+	memset(net_data, 0, sizeof (struct net_data));
+
+	if ((net_data->irs = irs_gen_acc("", conf_file)) == NULL) {
+		memput(net_data, sizeof (struct net_data));
+		return (NULL);
+	}
+#ifndef DO_PTHREADS
+	(*net_data->irs->res_set)(net_data->irs, &_res, NULL);
+#endif
+
+	net_data->res = (*net_data->irs->res_get)(net_data->irs);
+	if (net_data->res == NULL) {
+		(*net_data->irs->close)(net_data->irs);
+		memput(net_data, sizeof (struct net_data));
+		return (NULL);
+	}
+
+	if ((net_data->res->options & RES_INIT) == 0U &&
+	    res_ninit(net_data->res) == -1) {
+		(*net_data->irs->close)(net_data->irs);
+		memput(net_data, sizeof (struct net_data));
+		return (NULL);
+	}
+
+	return (net_data);
+}
+
+void
+net_data_minimize(struct net_data *net_data) {
+	res_nclose(net_data->res);
+}
+
+#ifdef _REENTRANT
+struct __res_state *
+__res_state(void) {
+	/* NULL param here means use the default config file. */
+	struct net_data *net_data = net_data_init(NULL);
+	if (net_data && net_data->res)
+		return (net_data->res);
+
+	return (&_res);
+}
+#else
+#ifdef __linux
+struct __res_state *
+__res_state(void) {
+	return (&_res);
+}
+#endif
+#endif
+
+int *
+__h_errno(void) {
+	/* NULL param here means use the default config file. */
+	struct net_data *net_data = net_data_init(NULL);
+	if (net_data && net_data->res)
+		return (&net_data->res->res_h_errno);
+#ifdef	ORIGINAL_ISC_CODE
+#if !(__GLIBC__ > 2 || __GLIBC__ == 2 &&  __GLIBC_MINOR__ >= 3)
+	return(&_res.res_h_errno);
+#else
+	return (&h_errno);
+#endif
+#else
+	return (&h_errno);
+#endif	/* ORIGINAL_ISC_CODE */
+}
+
+void
+__h_errno_set(struct __res_state *res, int err) {
+
+
+#if (__GLIBC__ > 2 || __GLIBC__ == 2 &&  __GLIBC_MINOR__ >= 3)
+	res->res_h_errno = err;
+#else
+	h_errno = res->res_h_errno = err;
+#endif
+}
+
+#endif /*__BIND_NOSTATIC*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/irs_data.h b/usr/src/lib/libresolv2_joy/common/irs/irs_data.h
new file mode 100644
index 0000000000..cb814fd8b1
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/irs_data.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id: irs_data.h,v 1.3 2005/04/27 04:56:30 sra Exp $
+ */
+
+#ifndef __BIND_NOSTATIC
+
+#define	net_data_init		__net_data_init
+
+struct net_data {
+	struct irs_acc *	irs;
+
+	struct irs_gr *		gr;
+	struct irs_pw *		pw;
+	struct irs_sv *		sv;
+	struct irs_pr *		pr;
+	struct irs_ho *		ho;
+	struct irs_nw *		nw;
+	struct irs_ng *		ng;
+
+	struct group *		gr_last;
+	struct passwd *		pw_last;
+	struct servent *	sv_last;
+	struct protoent *	pr_last;
+	struct netent *		nw_last; /*%< should have been ne_last */
+	struct nwent *		nww_last;
+	struct hostent *	ho_last;
+
+	unsigned int		gr_stayopen :1;
+	unsigned int		pw_stayopen :1;
+	unsigned int		sv_stayopen :1;
+	unsigned int		pr_stayopen :1;
+	unsigned int		ho_stayopen :1;
+	unsigned int		nw_stayopen :1;
+
+	void *			nw_data;
+	void *			ho_data;
+
+	struct __res_state *	res;	/*%< for gethostent.c */
+};
+
+extern struct net_data *	net_data_init(const char *conf_file);
+extern void			net_data_minimize(struct net_data *);
+
+#endif /*__BIND_NOSTATIC*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/irs_p.h b/usr/src/lib/libresolv2_joy/common/irs/irs_p.h
new file mode 100644
index 0000000000..2a0a933fce
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/irs_p.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id: irs_p.h,v 1.3 2005/04/27 04:56:30 sra Exp $
+ */
+
+#ifndef _IRS_P_H_INCLUDED
+#define _IRS_P_H_INCLUDED
+
+#include <stdio.h>
+
+#include "pathnames.h"
+
+#define IRS_SV_MAXALIASES	35
+
+struct lcl_sv {
+	FILE *		fp;
+	char		line[BUFSIZ+1];
+	struct servent	serv;
+	char *		serv_aliases[IRS_SV_MAXALIASES];
+};
+
+#define	irs_nul_ng	__irs_nul_ng
+#define	map_v4v6_address __map_v4v6_address
+#define	make_group_list	__make_group_list
+#define	irs_lclsv_fnxt	__irs_lclsv_fnxt
+
+extern void		map_v4v6_address(const char *src, char *dst);
+extern int		make_group_list(struct irs_gr *, const char *,
+					gid_t, gid_t *, int *);
+extern struct irs_ng *	irs_nul_ng(struct irs_acc *);
+extern struct servent * irs_lclsv_fnxt(struct lcl_sv *);
+
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/lcl.c b/usr/src/lib/libresolv2_joy/common/irs/lcl.c
new file mode 100644
index 0000000000..9dd6967b87
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/lcl.c
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: lcl.c,v 1.4 2005/04/27 04:56:30 sra Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <netinet/in.h> 
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+#include <isc/memcluster.h>
+
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "lcl_p.h"
+
+/* Forward. */
+
+static void		lcl_close(struct irs_acc *);
+static struct __res_state *	lcl_res_get(struct irs_acc *);
+static void		lcl_res_set(struct irs_acc *, struct __res_state *,
+				void (*)(void *));
+
+/* Public */
+
+struct irs_acc *
+irs_lcl_acc(const char *options) {
+	struct irs_acc *acc;
+	struct lcl_p *lcl;
+
+	UNUSED(options);
+
+	if (!(acc = memget(sizeof *acc))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(acc, 0x5e, sizeof *acc);
+	if (!(lcl = memget(sizeof *lcl))) {
+		errno = ENOMEM;
+		free(acc);
+		return (NULL);
+	}
+	memset(lcl, 0x5e, sizeof *lcl);
+	lcl->res = NULL;
+	lcl->free_res = NULL;
+	acc->private = lcl;
+#ifdef WANT_IRS_GR
+	acc->gr_map = irs_lcl_gr;
+#else
+	acc->gr_map = NULL;
+#endif
+#ifdef WANT_IRS_PW
+	acc->pw_map = irs_lcl_pw;
+#else
+	acc->pw_map = NULL;
+#endif
+	acc->sv_map = irs_lcl_sv;
+	acc->pr_map = irs_lcl_pr;
+	acc->ho_map = irs_lcl_ho;
+	acc->nw_map = irs_lcl_nw;
+	acc->ng_map = irs_lcl_ng;
+	acc->res_get = lcl_res_get;
+	acc->res_set = lcl_res_set;
+	acc->close = lcl_close;
+	return (acc);
+}
+
+/* Methods */
+static struct __res_state *
+lcl_res_get(struct irs_acc *this) {
+	struct lcl_p *lcl = (struct lcl_p *)this->private;
+
+	if (lcl->res == NULL) {
+		struct __res_state *res;
+		res = (struct __res_state *)malloc(sizeof *res);
+		if (res == NULL)
+			return (NULL);
+		memset(res, 0, sizeof *res);
+		lcl_res_set(this, res, free);
+	}
+
+	if ((lcl->res->options & RES_INIT) == 0U &&
+	    res_ninit(lcl->res) < 0)
+		return (NULL);
+
+	return (lcl->res);
+}
+
+static void
+lcl_res_set(struct irs_acc *this, struct __res_state *res,
+		void (*free_res)(void *)) {
+	struct lcl_p *lcl = (struct lcl_p *)this->private;
+
+	if (lcl->res && lcl->free_res) {
+		res_nclose(lcl->res);
+		(*lcl->free_res)(lcl->res);
+	}
+
+	lcl->res = res;
+	lcl->free_res = free_res;
+}
+
+static void
+lcl_close(struct irs_acc *this) {
+	struct lcl_p *lcl = (struct lcl_p *)this->private;
+
+	if (lcl) {
+		if (lcl->free_res)
+			(*lcl->free_res)(lcl->res);
+		memput(lcl, sizeof *lcl);
+	}
+	memput(this, sizeof *this);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/lcl_ho.c b/usr/src/lib/libresolv2_joy/common/irs/lcl_ho.c
new file mode 100644
index 0000000000..17c9a5e725
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/lcl_ho.c
@@ -0,0 +1,578 @@
+/*
+ * Copyright (c) 1985, 1988, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* from gethostnamadr.c	8.1 (Berkeley) 6/4/93 */
+/* BIND Id: gethnamaddr.c,v 8.15 1996/05/22 04:56:30 vixie Exp $ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: lcl_ho.c,v 1.5 2006/03/09 23:57:56 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/* Imports. */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <irs.h>
+#include <isc/memcluster.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "dns_p.h"
+#include "lcl_p.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) sprintf x
+#endif
+
+/* Definitions. */
+
+#define	MAXALIASES	35
+#define	MAXADDRS	35
+#define	Max(a,b)	((a) > (b) ? (a) : (b))
+
+#if PACKETSZ > 1024
+#define	MAXPACKET	PACKETSZ
+#else
+#define	MAXPACKET	1024
+#endif
+
+struct pvt {
+	FILE *		fp;
+	struct hostent	host;
+	char *		h_addr_ptrs[MAXADDRS + 1];
+	char *		host_aliases[MAXALIASES];
+	char		hostbuf[8*1024];
+	u_char		host_addr[16];	/*%< IPv4 or IPv6 */
+	struct __res_state  *res;
+	void		(*free_res)(void *);
+};
+
+typedef union {
+	int32_t al;
+	char ac;
+} align;
+
+static const u_char mapped[] = { 0,0, 0,0, 0,0, 0,0, 0,0, 0xff,0xff };
+static const u_char tunnelled[] = { 0,0, 0,0, 0,0, 0,0, 0,0, 0,0 };
+
+/* Forward. */
+
+static void		ho_close(struct irs_ho *this);
+static struct hostent *	ho_byname(struct irs_ho *this, const char *name);
+static struct hostent *	ho_byname2(struct irs_ho *this, const char *name,
+				   int af);
+static struct hostent *	ho_byaddr(struct irs_ho *this, const void *addr,
+				  int len, int af);
+static struct hostent *	ho_next(struct irs_ho *this);
+static void		ho_rewind(struct irs_ho *this);
+static void		ho_minimize(struct irs_ho *this);
+static struct __res_state * ho_res_get(struct irs_ho *this);
+static void		ho_res_set(struct irs_ho *this,
+				   struct __res_state *res,
+				   void (*free_res)(void *));
+static struct addrinfo * ho_addrinfo(struct irs_ho *this, const char *name,
+				     const struct addrinfo *pai);
+
+static size_t		ns_namelen(const char *);
+static int		init(struct irs_ho *this);
+
+/* Portability. */
+
+#ifndef SEEK_SET
+# define SEEK_SET 0
+#endif
+
+/* Public. */
+
+struct irs_ho *
+irs_lcl_ho(struct irs_acc *this) {
+	struct irs_ho *ho;
+	struct pvt *pvt;
+
+	UNUSED(this);
+
+	if (!(pvt = memget(sizeof *pvt))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	if (!(ho = memget(sizeof *ho))) {
+		memput(pvt, sizeof *pvt);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(ho, 0x5e, sizeof *ho);
+	ho->private = pvt;
+	ho->close = ho_close;
+	ho->byname = ho_byname;
+	ho->byname2 = ho_byname2;
+	ho->byaddr = ho_byaddr;
+	ho->next = ho_next;
+	ho->rewind = ho_rewind;
+	ho->minimize = ho_minimize;
+	ho->res_get = ho_res_get;
+	ho->res_set = ho_res_set;
+	ho->addrinfo = ho_addrinfo;
+	return (ho);
+}
+
+/* Methods. */
+
+static void
+ho_close(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	ho_minimize(this);
+	if (pvt->fp)
+		(void) fclose(pvt->fp);
+	if (pvt->res && pvt->free_res)
+		(*pvt->free_res)(pvt->res);
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+static struct hostent *
+ho_byname(struct irs_ho *this, const char *name) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct hostent *hp;
+
+	if (init(this) == -1)
+		return (NULL);
+
+	if (pvt->res->options & RES_USE_INET6) {
+		hp = ho_byname2(this, name, AF_INET6);
+		if (hp)
+			return (hp);
+	}
+	return (ho_byname2(this, name, AF_INET));
+}
+
+static struct hostent *
+ho_byname2(struct irs_ho *this, const char *name, int af) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct hostent *hp;
+	char **hap;
+	size_t n;
+	
+	if (init(this) == -1)
+		return (NULL);
+
+	ho_rewind(this);
+	n = ns_namelen(name);
+	while ((hp = ho_next(this)) != NULL) {
+		size_t nn;
+
+		if (hp->h_addrtype != af)
+			continue;
+		nn = ns_namelen(hp->h_name);
+		if (strncasecmp(hp->h_name, name, Max(n, nn)) == 0)
+			goto found;
+		for (hap = hp->h_aliases; *hap; hap++) {
+			nn = ns_namelen(*hap);
+			if (strncasecmp(*hap, name, Max(n, nn)) == 0)
+				goto found;
+		}
+	}
+ found:
+	if (!hp) {
+		RES_SET_H_ERRNO(pvt->res, HOST_NOT_FOUND);
+		return (NULL);
+	}
+	RES_SET_H_ERRNO(pvt->res, NETDB_SUCCESS);
+	return (hp);
+}
+
+static struct hostent *
+ho_byaddr(struct irs_ho *this, const void *addr, int len, int af) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	const u_char *uaddr = addr;
+	struct hostent *hp;
+	int size;
+	
+	if (init(this) == -1)
+		return (NULL);
+
+	if (af == AF_INET6 && len == IN6ADDRSZ &&
+	    (!memcmp(uaddr, mapped, sizeof mapped) ||
+	     !memcmp(uaddr, tunnelled, sizeof tunnelled))) {
+		/* Unmap. */
+		addr = (const u_char *)addr + sizeof mapped;
+		uaddr += sizeof mapped;
+		af = AF_INET;
+		len = INADDRSZ;
+	}
+	switch (af) {
+	case AF_INET:
+		size = INADDRSZ;
+		break;
+	case AF_INET6:
+		size = IN6ADDRSZ;
+		break;
+	default:
+		errno = EAFNOSUPPORT;
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		return (NULL);
+	}
+	if (size > len) {
+		errno = EINVAL;
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		return (NULL);
+	}
+
+	/*
+	 * Do the search.
+	 */
+	ho_rewind(this);
+	while ((hp = ho_next(this)) != NULL) {
+		char **hap;
+
+		for (hap = hp->h_addr_list; *hap; hap++) {
+			const u_char *taddr = (const u_char *)*hap;
+			int taf = hp->h_addrtype;
+			int tlen = hp->h_length;
+
+			if (taf == AF_INET6 && tlen == IN6ADDRSZ &&
+			    (!memcmp(taddr, mapped, sizeof mapped) ||
+			     !memcmp(taddr, tunnelled, sizeof tunnelled))) {
+				/* Unmap. */
+				taddr += sizeof mapped;
+				taf = AF_INET;
+				tlen = INADDRSZ;
+			}
+			if (taf == af && tlen == len &&
+			    !memcmp(taddr, uaddr, tlen))
+				goto found;
+		}
+	}
+ found:
+	if (!hp) {
+		RES_SET_H_ERRNO(pvt->res, HOST_NOT_FOUND);
+		return (NULL);
+	}
+	RES_SET_H_ERRNO(pvt->res, NETDB_SUCCESS);
+	return (hp);
+}
+
+static struct hostent *
+ho_next(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	char *cp, **q, *p;
+	char *bufp, *ndbuf, *dbuf = NULL;
+	int c, af, len, bufsiz, offset;
+
+	if (init(this) == -1)
+		return (NULL);
+
+	if (!pvt->fp)
+		ho_rewind(this);
+	if (!pvt->fp) {
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		return (NULL);
+	}
+	bufp = pvt->hostbuf;
+	bufsiz = sizeof pvt->hostbuf;
+	offset = 0;
+ again:
+	if (!(p = fgets(bufp + offset, bufsiz - offset, pvt->fp))) {
+		RES_SET_H_ERRNO(pvt->res, HOST_NOT_FOUND);
+		if (dbuf)
+			free(dbuf);
+		return (NULL);
+	}
+	if (!strchr(p, '\n') && !feof(pvt->fp)) {
+#define GROWBUF 1024
+		/* allocate space for longer line */
+		if (dbuf == NULL) {
+			if ((ndbuf = malloc(bufsiz + GROWBUF)) != NULL)
+				strcpy(ndbuf, bufp);
+		} else
+			ndbuf = realloc(dbuf, bufsiz + GROWBUF);
+		if (ndbuf) {
+			dbuf = ndbuf;
+			bufp = dbuf;
+			bufsiz += GROWBUF;
+			offset = strlen(dbuf);
+		} else {
+			/* allocation failed; skip this long line */
+			while ((c = getc(pvt->fp)) != EOF)
+				if (c == '\n')
+					break;
+			if (c != EOF)
+				ungetc(c, pvt->fp);
+		}
+		goto again;
+	}
+
+	p -= offset;
+	offset = 0;
+
+	if (*p == '#')
+		goto again;
+	if ((cp = strpbrk(p, "#\n")) != NULL)
+		*cp = '\0';
+	if (!(cp = strpbrk(p, " \t")))
+		goto again;
+	*cp++ = '\0';
+	if (inet_pton(AF_INET6, p, pvt->host_addr) > 0) {
+		af = AF_INET6;
+		len = IN6ADDRSZ;
+	} else if (inet_aton(p, (struct in_addr *)pvt->host_addr) > 0) {
+		if (pvt->res->options & RES_USE_INET6) {
+			map_v4v6_address((char*)pvt->host_addr,
+					 (char*)pvt->host_addr);
+			af = AF_INET6;
+			len = IN6ADDRSZ;
+		} else {
+			af = AF_INET;
+			len = INADDRSZ;
+		}
+	} else {
+		goto again;
+	}
+	pvt->h_addr_ptrs[0] = (char *)pvt->host_addr;
+	pvt->h_addr_ptrs[1] = NULL;
+	pvt->host.h_addr_list = pvt->h_addr_ptrs;
+	pvt->host.h_length = len;
+	pvt->host.h_addrtype = af;
+	while (*cp == ' ' || *cp == '\t')
+		cp++;
+	pvt->host.h_name = cp;
+	q = pvt->host.h_aliases = pvt->host_aliases;
+	if ((cp = strpbrk(cp, " \t")) != NULL)
+		*cp++ = '\0';
+	while (cp && *cp) {
+		if (*cp == ' ' || *cp == '\t') {
+			cp++;
+			continue;
+		}
+		if (q < &pvt->host_aliases[MAXALIASES - 1])
+			*q++ = cp;
+		if ((cp = strpbrk(cp, " \t")) != NULL)
+			*cp++ = '\0';
+	}
+	*q = NULL;
+	if (dbuf)
+		free(dbuf);
+	RES_SET_H_ERRNO(pvt->res, NETDB_SUCCESS);
+	return (&pvt->host);
+}
+
+static void
+ho_rewind(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->fp) {
+		if (fseek(pvt->fp, 0L, SEEK_SET) == 0)
+			return;
+		(void)fclose(pvt->fp);
+	}
+	if (!(pvt->fp = fopen(_PATH_HOSTS, "r")))
+		return;
+	if (fcntl(fileno(pvt->fp), F_SETFD, 1) < 0) {
+		(void)fclose(pvt->fp);
+		pvt->fp = NULL;
+	}
+}
+
+static void
+ho_minimize(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->fp != NULL) {
+		(void)fclose(pvt->fp);
+		pvt->fp = NULL;
+	}
+	if (pvt->res)
+		res_nclose(pvt->res);
+} 
+
+static struct __res_state *
+ho_res_get(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (!pvt->res) {
+		struct __res_state *res;
+		res = (struct __res_state *)malloc(sizeof *res);
+		if (!res) {
+			errno = ENOMEM;
+			return (NULL);
+		}
+		memset(res, 0, sizeof *res);
+		ho_res_set(this, res, free);
+	}
+
+	return (pvt->res);
+}
+
+static void
+ho_res_set(struct irs_ho *this, struct __res_state *res,
+		void (*free_res)(void *)) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->res && pvt->free_res) {
+		res_nclose(pvt->res);
+		(*pvt->free_res)(pvt->res);
+	}
+
+	pvt->res = res;
+	pvt->free_res = free_res;
+}
+
+struct lcl_res_target {
+	struct lcl_res_target *next;
+	int family;
+};
+
+/* XXX */
+extern struct addrinfo *hostent2addrinfo __P((struct hostent *,
+					      const struct addrinfo *pai));
+
+static struct addrinfo *
+ho_addrinfo(struct irs_ho *this, const char *name, const struct addrinfo *pai)
+{
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct hostent *hp;
+	struct lcl_res_target q, q2, *p;
+	struct addrinfo sentinel, *cur;
+
+	memset(&q, 0, sizeof(q2));
+	memset(&q2, 0, sizeof(q2));
+	memset(&sentinel, 0, sizeof(sentinel));
+	cur = &sentinel;
+
+	switch(pai->ai_family) {
+	case AF_UNSPEC:		/*%< INET6 then INET4 */
+		q.family = AF_INET6;
+		q.next = &q2;
+		q2.family = AF_INET;
+		break;
+	case AF_INET6:
+		q.family = AF_INET6;
+		break;
+	case AF_INET:
+		q.family = AF_INET;
+		break;
+	default:
+		RES_SET_H_ERRNO(pvt->res, NO_RECOVERY); /*%< ??? */
+		return(NULL);
+	}
+
+	for (p = &q; p; p = p->next) {
+		struct addrinfo *ai;
+
+		hp = (*this->byname2)(this, name, p->family);
+		if (hp == NULL) {
+			/* byname2 should've set an appropriate error */
+			continue;
+		}
+		if ((hp->h_name == NULL) || (hp->h_name[0] == 0) ||
+		    (hp->h_addr_list[0] == NULL)) {
+			RES_SET_H_ERRNO(pvt->res, NO_RECOVERY);
+			continue;
+		}
+
+		ai = hostent2addrinfo(hp, pai);
+		if (ai) {
+			cur->ai_next = ai;
+			while (cur->ai_next)
+				cur = cur->ai_next;
+		}
+	}
+
+	if (sentinel.ai_next == NULL)
+		RES_SET_H_ERRNO(pvt->res, HOST_NOT_FOUND);
+
+	return(sentinel.ai_next);
+}
+
+/* Private. */
+
+static size_t
+ns_namelen(const char *s) {
+	int i;
+
+	for (i = strlen(s); i > 0 && s[i-1] == '.'; i--)
+		(void)NULL;
+	return ((size_t) i);
+}
+
+static int
+init(struct irs_ho *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	
+	if (!pvt->res && !ho_res_get(this))
+		return (-1);
+	if (((pvt->res->options & RES_INIT) == 0U) &&
+	    res_ninit(pvt->res) == -1)
+		return (-1);
+	return (0);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/lcl_ng.c b/usr/src/lib/libresolv2_joy/common/irs/lcl_ng.c
new file mode 100644
index 0000000000..319725ce70
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/lcl_ng.c
@@ -0,0 +1,446 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: lcl_ng.c,v 1.3 2005/04/27 04:56:31 sra Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <irs.h>
+#include <isc/memcluster.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "lcl_p.h"
+
+/* Definitions */
+
+#define NG_HOST         0       /*%< Host name */
+#define NG_USER         1       /*%< User name */
+#define NG_DOM          2       /*%< and Domain name */
+#define LINSIZ		1024    /*%< Length of netgroup file line */
+/*
+ * XXX Warning XXX
+ * This code is a hack-and-slash special.  It realy needs to be
+ * rewritten with things like strdup, and realloc in mind.
+ * More reasonable data structures would not be a bad thing.
+ */
+
+/*%
+ * Static Variables and functions used by setnetgrent(), getnetgrent() and
+ * endnetgrent().
+ *
+ * There are two linked lists:
+ * \li linelist is just used by setnetgrent() to parse the net group file via.
+ *   parse_netgrp()
+ * \li netgrp is the list of entries for the current netgroup
+ */
+struct linelist {
+	struct linelist *l_next;	/*%< Chain ptr. */
+	int		l_parsed;	/*%< Flag for cycles */
+	char *		l_groupname;	/*%< Name of netgroup */
+	char *		l_line;		/*%< Netgroup entrie(s) to be parsed */
+};
+
+struct ng_old_struct {
+	struct ng_old_struct *ng_next;	/*%< Chain ptr */
+	char *		ng_str[3];	/*%< Field pointers, see below */
+};
+
+struct pvt {
+	FILE			*fp;
+	struct linelist		*linehead;
+	struct ng_old_struct    *nextgrp;
+	struct {
+		struct ng_old_struct	*gr;
+		char			*grname;
+	} grouphead;
+};
+
+/* Forward */
+
+static void 		ng_rewind(struct irs_ng *, const char*);
+static void 		ng_close(struct irs_ng *);
+static int		ng_next(struct irs_ng *, const char **,
+				const char **, const char **);
+static int 		ng_test(struct irs_ng *, const char *,
+				const char *, const char *,
+				const char *);
+static void		ng_minimize(struct irs_ng *);
+
+static int 		parse_netgrp(struct irs_ng *, const char*);
+static struct linelist *read_for_group(struct irs_ng *, const char *);
+static void		freelists(struct irs_ng *);
+
+/* Public */
+
+struct irs_ng *
+irs_lcl_ng(struct irs_acc *this) {
+	struct irs_ng *ng;
+	struct pvt *pvt;
+
+	UNUSED(this);
+	
+	if (!(ng = memget(sizeof *ng))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(ng, 0x5e, sizeof *ng);
+	if (!(pvt = memget(sizeof *pvt))) {
+		memput(ng, sizeof *ng);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	ng->private = pvt;
+	ng->close = ng_close;
+	ng->next = ng_next;
+	ng->test = ng_test;
+	ng->rewind = ng_rewind;
+	ng->minimize = ng_minimize;
+	return (ng);
+}
+
+/* Methods */
+
+static void
+ng_close(struct irs_ng *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	
+	if (pvt->fp != NULL)
+		fclose(pvt->fp);
+	freelists(this);
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+	
+/*%
+ * Parse the netgroup file looking for the netgroup and build the list
+ * of netgrp structures. Let parse_netgrp() and read_for_group() do
+ * most of the work.
+ */
+static void
+ng_rewind(struct irs_ng *this, const char *group) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	
+	if (pvt->fp != NULL && fseek(pvt->fp, SEEK_CUR, 0L) == -1) {
+		fclose(pvt->fp);
+		pvt->fp = NULL;
+	}
+
+	if (pvt->fp == NULL || pvt->grouphead.gr == NULL || 
+	    strcmp(group, pvt->grouphead.grname)) {
+		freelists(this);
+		if (pvt->fp != NULL)
+			fclose(pvt->fp);
+		pvt->fp = fopen(_PATH_NETGROUP, "r");
+		if (pvt->fp != NULL) {
+			if (parse_netgrp(this, group))
+				freelists(this);
+			if (!(pvt->grouphead.grname = strdup(group)))
+				freelists(this);
+			fclose(pvt->fp);
+			pvt->fp = NULL;
+		}
+	}
+	pvt->nextgrp = pvt->grouphead.gr;
+}
+
+/*%
+ * Get the next netgroup off the list.
+ */
+static int
+ng_next(struct irs_ng *this, const char **host, const char **user,
+	const char **domain)
+{
+	struct pvt *pvt = (struct pvt *)this->private;
+	
+	if (pvt->nextgrp) {
+		*host = pvt->nextgrp->ng_str[NG_HOST];
+		*user = pvt->nextgrp->ng_str[NG_USER];
+		*domain = pvt->nextgrp->ng_str[NG_DOM];
+		pvt->nextgrp = pvt->nextgrp->ng_next;
+		return (1);
+	}
+	return (0);
+}
+
+/*%
+ * Search for a match in a netgroup.
+ */
+static int
+ng_test(struct irs_ng *this, const char *name,
+	const char *host, const char *user, const char *domain)
+{
+	const char *ng_host, *ng_user, *ng_domain;
+
+	ng_rewind(this, name);
+	while (ng_next(this, &ng_host, &ng_user, &ng_domain))
+		if ((host == NULL || ng_host == NULL || 
+		     !strcmp(host, ng_host)) &&
+		    (user ==  NULL || ng_user == NULL || 
+		     !strcmp(user, ng_user)) &&
+		    (domain == NULL || ng_domain == NULL ||
+		     !strcmp(domain, ng_domain))) {
+			freelists(this);
+			return (1);
+		}
+	freelists(this);
+	return (0);
+}
+
+static void
+ng_minimize(struct irs_ng *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->fp != NULL) {
+		(void)fclose(pvt->fp);
+		pvt->fp = NULL;
+	}
+}
+
+/* Private */
+
+/*%
+ * endnetgrent() - cleanup
+ */
+static void
+freelists(struct irs_ng *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct linelist *lp, *olp;
+	struct ng_old_struct *gp, *ogp;
+
+	lp = pvt->linehead;
+	while (lp) {
+		olp = lp;
+		lp = lp->l_next;
+		free(olp->l_groupname);
+		free(olp->l_line);
+		free((char *)olp);
+	}
+	pvt->linehead = NULL;
+	if (pvt->grouphead.grname) {
+		free(pvt->grouphead.grname);
+		pvt->grouphead.grname = NULL;
+	}
+	gp = pvt->grouphead.gr;
+	while (gp) {
+		ogp = gp;
+		gp = gp->ng_next;
+		if (ogp->ng_str[NG_HOST])
+			free(ogp->ng_str[NG_HOST]);
+		if (ogp->ng_str[NG_USER])
+			free(ogp->ng_str[NG_USER]);
+		if (ogp->ng_str[NG_DOM])
+			free(ogp->ng_str[NG_DOM]);
+		free((char *)ogp);
+	}
+	pvt->grouphead.gr = NULL;
+}
+
+/*%
+ * Parse the netgroup file setting up the linked lists.
+ */
+static int
+parse_netgrp(struct irs_ng *this, const char *group) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	char *spos, *epos;
+	int len, strpos;
+	char *pos, *gpos;
+	struct ng_old_struct *grp;
+	struct linelist *lp = pvt->linehead;
+
+        /*
+         * First, see if the line has already been read in.
+         */
+	while (lp) {
+		if (!strcmp(group, lp->l_groupname))
+			break;
+		lp = lp->l_next;
+	}
+	if (lp == NULL &&
+	    (lp = read_for_group(this, group)) == NULL)
+		return (1);
+	if (lp->l_parsed) {
+		/*fprintf(stderr, "Cycle in netgroup %s\n", lp->l_groupname);*/
+		return (1);
+	} else
+		lp->l_parsed = 1;
+	pos = lp->l_line;
+	while (*pos != '\0') {
+		if (*pos == '(') {
+			if (!(grp = malloc(sizeof (struct ng_old_struct)))) {
+				freelists(this);
+				errno = ENOMEM;
+				return (1);
+			}
+			memset(grp, 0, sizeof (struct ng_old_struct));
+			grp->ng_next = pvt->grouphead.gr;
+			pvt->grouphead.gr = grp;
+			pos++;
+			gpos = strsep(&pos, ")");
+			for (strpos = 0; strpos < 3; strpos++) {
+				if ((spos = strsep(&gpos, ","))) {
+					while (*spos == ' ' || *spos == '\t')
+						spos++;
+					if ((epos = strpbrk(spos, " \t"))) {
+						*epos = '\0';
+						len = epos - spos;
+					} else
+						len = strlen(spos);
+					if (len > 0) {
+						if(!(grp->ng_str[strpos] 
+						   =  (char *)
+						   malloc(len + 1))) {
+							freelists(this);
+							return (1);
+						}
+						memcpy(grp->ng_str[strpos],
+						       spos,
+						       len + 1);
+					}
+				} else
+					goto errout;
+			}
+		} else {
+			spos = strsep(&pos, ", \t");
+			if (spos != NULL && parse_netgrp(this, spos)) {
+				freelists(this);
+				return (1);
+			}
+		}
+		if (pos == NULL)
+			break;
+		while (*pos == ' ' || *pos == ',' || *pos == '\t')
+			pos++;
+	}
+	return (0);
+ errout:
+	/*fprintf(stderr, "Bad netgroup %s at ..%s\n", lp->l_groupname,
+		  spos);*/
+	return (1);
+}
+
+/*%
+ * Read the netgroup file and save lines until the line for the netgroup
+ * is found. Return 1 if eof is encountered.
+ */
+static struct linelist *
+read_for_group(struct irs_ng *this, const char *group) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	char *pos, *spos, *linep = NULL, *olinep;
+	int len, olen, cont;
+	struct linelist *lp;
+	char line[LINSIZ + 1];
+	
+	while (fgets(line, LINSIZ, pvt->fp) != NULL) {
+		pos = line;
+		if (*pos == '#')
+			continue;
+		while (*pos == ' ' || *pos == '\t')
+			pos++;
+		spos = pos;
+		while (*pos != ' ' && *pos != '\t' && *pos != '\n' &&
+			*pos != '\0')
+			pos++;
+		len = pos - spos;
+		while (*pos == ' ' || *pos == '\t')
+			pos++;
+		if (*pos != '\n' && *pos != '\0') {
+			if (!(lp = malloc(sizeof (*lp)))) {
+				freelists(this);
+				return (NULL);
+			}
+			lp->l_parsed = 0;
+			if (!(lp->l_groupname = malloc(len + 1))) {
+				free(lp);
+				freelists(this);
+				return (NULL);
+			}
+			memcpy(lp->l_groupname, spos,  len);
+			*(lp->l_groupname + len) = '\0';
+			len = strlen(pos);
+			olen = 0;
+			olinep = NULL;
+
+			/*
+			 * Loop around handling line continuations.
+			 */
+			do {
+				if (*(pos + len - 1) == '\n')
+					len--;
+				if (*(pos + len - 1) == '\\') {
+					len--;
+					cont = 1;
+				} else
+					cont = 0;
+				if (len > 0) {
+					if (!(linep = malloc(olen + len + 1))){
+						if (olen > 0)
+							free(olinep);
+						free(lp->l_groupname);
+						free(lp);
+						freelists(this);
+						errno = ENOMEM;
+						return (NULL);
+					}
+					if (olen > 0) {
+						memcpy(linep, olinep, olen);
+						free(olinep);
+					}
+					memcpy(linep + olen, pos, len);
+					olen += len;
+					*(linep + olen) = '\0';
+					olinep = linep;
+				}
+				if (cont) {
+					if (fgets(line, LINSIZ, pvt->fp)) {
+						pos = line;
+						len = strlen(pos);
+					} else
+						cont = 0;
+				}
+			} while (cont);
+			lp->l_line = linep;
+			lp->l_next = pvt->linehead;
+			pvt->linehead = lp;
+			
+			/*
+			 * If this is the one we wanted, we are done.
+			 */
+			if (!strcmp(lp->l_groupname, group))
+				return (lp);
+		}
+	}
+	return (NULL);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/lcl_nw.c b/usr/src/lib/libresolv2_joy/common/irs/lcl_nw.c
new file mode 100644
index 0000000000..2e5cd55a6c
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/lcl_nw.c
@@ -0,0 +1,373 @@
+/*
+ * Copyright (c) 1989, 1993, 1995
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: lcl_nw.c,v 1.4 2005/04/27 04:56:31 sra Exp $";
+/* from getgrent.c 8.2 (Berkeley) 3/21/94"; */
+/* from BSDI Id: getgrent.c,v 2.8 1996/05/28 18:15:14 bostic Exp $	*/
+#endif /* LIBC_SCCS and not lint */
+
+/* Imports */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <irs.h>
+#include <isc/memcluster.h>
+
+#include "port_after.h"
+
+#include <isc/misc.h>
+#include "irs_p.h"
+#include "lcl_p.h"
+
+#define MAXALIASES 35
+#define MAXADDRSIZE 4
+
+struct pvt {
+	FILE *		fp;
+	char 		line[BUFSIZ+1];
+	struct nwent 	net;
+	char *		aliases[MAXALIASES];
+	char		addr[MAXADDRSIZE];
+	struct __res_state *  res;
+	void		(*free_res)(void *);
+};
+
+/* Forward */
+
+static void 		nw_close(struct irs_nw *);
+static struct nwent *	nw_byname(struct irs_nw *, const char *, int);
+static struct nwent *	nw_byaddr(struct irs_nw *, void *, int, int);
+static struct nwent *	nw_next(struct irs_nw *);
+static void		nw_rewind(struct irs_nw *);
+static void		nw_minimize(struct irs_nw *);
+static struct __res_state * nw_res_get(struct irs_nw *this);
+static void		nw_res_set(struct irs_nw *this,
+				   struct __res_state *res,
+				   void (*free_res)(void *));
+
+static int		init(struct irs_nw *this);
+
+/* Portability. */
+
+#ifndef SEEK_SET
+# define SEEK_SET 0
+#endif
+
+/* Public */
+
+struct irs_nw *
+irs_lcl_nw(struct irs_acc *this) {
+	struct irs_nw *nw;
+	struct pvt *pvt;
+
+	UNUSED(this);
+
+	if (!(pvt = memget(sizeof *pvt))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	if (!(nw = memget(sizeof *nw))) {
+		memput(pvt, sizeof *pvt);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(nw, 0x5e, sizeof *nw);
+	nw->private = pvt;
+	nw->close = nw_close;
+	nw->byname = nw_byname;
+	nw->byaddr = nw_byaddr;
+	nw->next = nw_next;
+	nw->rewind = nw_rewind;
+	nw->minimize = nw_minimize;
+	nw->res_get = nw_res_get;
+	nw->res_set = nw_res_set;
+	return (nw);
+}
+
+/* Methods */
+
+static void
+nw_close(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	
+	nw_minimize(this);
+	if (pvt->res && pvt->free_res)
+		(*pvt->free_res)(pvt->res);
+	if (pvt->fp)
+		(void)fclose(pvt->fp);
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+static struct nwent *
+nw_byaddr(struct irs_nw *this, void *net, int length, int type) {
+	struct nwent *p;
+	
+	if (init(this) == -1)
+		return(NULL);
+
+	nw_rewind(this);
+	while ((p = nw_next(this)) != NULL)
+		if (p->n_addrtype == type && p->n_length == length)
+			if (bitncmp(p->n_addr, net, length) == 0)
+				break;
+	return (p);
+}
+
+static struct nwent *
+nw_byname(struct irs_nw *this, const char *name, int type) {
+	struct nwent *p;
+	char **ap;
+	
+	if (init(this) == -1)
+		return(NULL);
+
+	nw_rewind(this);
+	while ((p = nw_next(this)) != NULL) {
+		if (ns_samename(p->n_name, name) == 1 &&
+		    p->n_addrtype == type)
+			break;
+		for (ap = p->n_aliases; *ap; ap++)
+			if ((ns_samename(*ap, name) == 1) &&
+			    (p->n_addrtype == type))
+				goto found;
+	}
+ found:
+	return (p);
+}
+
+static void
+nw_rewind(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	
+	if (pvt->fp) {
+		if (fseek(pvt->fp, 0L, SEEK_SET) == 0)
+			return;
+		(void)fclose(pvt->fp);
+	}
+	if (!(pvt->fp = fopen(_PATH_NETWORKS, "r")))
+		return;
+	if (fcntl(fileno(pvt->fp), F_SETFD, 1) < 0) {
+		(void)fclose(pvt->fp);
+		pvt->fp = NULL;
+	}
+}
+
+static struct nwent *
+nw_next(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	struct nwent *ret = NULL;
+	char *p, *cp, **q;
+	char *bufp, *ndbuf, *dbuf = NULL;
+	int c, bufsiz, offset = 0;
+
+	if (init(this) == -1)
+		return(NULL);
+
+	if (pvt->fp == NULL)
+		nw_rewind(this);
+	if (pvt->fp == NULL) {
+		RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
+		return (NULL);
+	}
+	bufp = pvt->line;
+	bufsiz = sizeof(pvt->line);
+
+ again:
+	p = fgets(bufp + offset, bufsiz - offset, pvt->fp);
+	if (p == NULL)
+		goto cleanup;
+	if (!strchr(p, '\n') && !feof(pvt->fp)) {
+#define GROWBUF 1024
+		/* allocate space for longer line */
+	  	if (dbuf == NULL) {
+			if ((ndbuf = malloc(bufsiz + GROWBUF)) != NULL)
+				strcpy(ndbuf, bufp);
+		} else
+			ndbuf = realloc(dbuf, bufsiz + GROWBUF);
+		if (ndbuf) {
+			dbuf = ndbuf;
+			bufp = dbuf;
+			bufsiz += GROWBUF;
+			offset = strlen(dbuf);
+		} else {
+			/* allocation failed; skip this long line */
+			while ((c = getc(pvt->fp)) != EOF)
+				if (c == '\n')
+					break;
+			if (c != EOF)
+				ungetc(c, pvt->fp);
+		}
+		goto again;
+	}
+
+	p -= offset;
+	offset = 0;
+
+	if (*p == '#')
+		goto again;
+
+	cp = strpbrk(p, "#\n");
+	if (cp != NULL)
+		*cp = '\0';
+	pvt->net.n_name = p;
+	cp = strpbrk(p, " \t");
+	if (cp == NULL)
+		goto again;
+	*cp++ = '\0';
+	while (*cp == ' ' || *cp == '\t')
+		cp++;
+	p = strpbrk(cp, " \t");
+	if (p != NULL)
+		*p++ = '\0';
+	pvt->net.n_length = inet_net_pton(AF_INET, cp, pvt->addr,
+					  sizeof pvt->addr);
+	if (pvt->net.n_length < 0)
+		goto again;
+	pvt->net.n_addrtype = AF_INET;
+	pvt->net.n_addr = pvt->addr;
+	q = pvt->net.n_aliases = pvt->aliases;
+	if (p != NULL) {
+		cp = p;
+		while (cp && *cp) {
+			if (*cp == ' ' || *cp == '\t') {
+				cp++;
+				continue;
+			}
+			if (q < &pvt->aliases[MAXALIASES - 1])
+				*q++ = cp;
+			cp = strpbrk(cp, " \t");
+			if (cp != NULL)
+				*cp++ = '\0';
+		}
+	}
+	*q = NULL;
+	ret = &pvt->net;
+
+ cleanup:
+	if (dbuf)
+		free(dbuf);
+
+	return (ret);
+}
+
+static void
+nw_minimize(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->res)
+		res_nclose(pvt->res);
+	if (pvt->fp != NULL) {
+		(void)fclose(pvt->fp);
+		pvt->fp = NULL;
+	}
+}
+
+static struct __res_state *
+nw_res_get(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (!pvt->res) {
+		struct __res_state *res;
+		res = (struct __res_state *)malloc(sizeof *res);
+		if (!res) {
+			errno = ENOMEM;
+			return (NULL);
+		}
+		memset(res, 0, sizeof *res);
+		nw_res_set(this, res, free);
+	}
+
+	return (pvt->res);
+}
+
+static void
+nw_res_set(struct irs_nw *this, struct __res_state *res,
+		void (*free_res)(void *)) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->res && pvt->free_res) {
+		res_nclose(pvt->res);
+		(*pvt->free_res)(pvt->res);
+	}
+
+	pvt->res = res;
+	pvt->free_res = free_res;
+}
+
+static int
+init(struct irs_nw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	
+	if (!pvt->res && !nw_res_get(this))
+		return (-1);
+	if (((pvt->res->options & RES_INIT) == 0U) &&
+	    res_ninit(pvt->res) == -1)
+		return (-1);
+	return (0);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/lcl_p.h b/usr/src/lib/libresolv2_joy/common/irs/lcl_p.h
new file mode 100644
index 0000000000..e3f4f009cb
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/lcl_p.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id: lcl_p.h,v 1.3 2005/04/27 04:56:31 sra Exp $
+ */
+
+/*! \file
+ * \brief
+ * lcl_p.h - private include file for the local accessor functions.
+ */
+
+#ifndef _LCL_P_H_INCLUDED
+#define _LCL_P_H_INCLUDED
+
+/*%
+ * Object state.
+ */
+struct lcl_p {
+	struct __res_state *	res;
+	void                    (*free_res) __P((void *));
+};
+
+/*
+ * Externs.
+ */
+
+extern struct irs_acc *	irs_lcl_acc __P((const char *));
+extern struct irs_gr *	irs_lcl_gr __P((struct irs_acc *));
+extern struct irs_pw *	irs_lcl_pw __P((struct irs_acc *));
+extern struct irs_sv *	irs_lcl_sv __P((struct irs_acc *));
+extern struct irs_pr *	irs_lcl_pr __P((struct irs_acc *));
+extern struct irs_ho *	irs_lcl_ho __P((struct irs_acc *));
+extern struct irs_nw *	irs_lcl_nw __P((struct irs_acc *));
+extern struct irs_ng *	irs_lcl_ng __P((struct irs_acc *));
+
+#endif /*_LCL_P_H_INCLUDED*/
diff --git a/usr/src/lib/libresolv2_joy/common/irs/lcl_pr.c b/usr/src/lib/libresolv2_joy/common/irs/lcl_pr.c
new file mode 100644
index 0000000000..e1538530eb
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/lcl_pr.c
@@ -0,0 +1,294 @@
+/*
+ * Copyright (c) 1989, 1993, 1995
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: lcl_pr.c,v 1.4 2006/03/09 23:57:56 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/* extern */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <irs.h>
+#include <isc/memcluster.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "lcl_p.h"
+
+#ifndef _PATH_PROTOCOLS
+#define _PATH_PROTOCOLS "/etc/protocols"
+#endif
+#define MAXALIASES      35
+
+/* Types */
+
+struct pvt {
+	FILE *		fp;
+	char		line[BUFSIZ+1];
+	char *		dbuf;
+	struct protoent	proto;
+	char *		proto_aliases[MAXALIASES];
+};
+
+/* Forward */
+
+static void			pr_close(struct irs_pr *);
+static struct protoent *	pr_next(struct irs_pr *);
+static struct protoent *	pr_byname(struct irs_pr *, const char *);
+static struct protoent *	pr_bynumber(struct irs_pr *, int);
+static void			pr_rewind(struct irs_pr *);
+static void			pr_minimize(struct irs_pr *);
+
+/* Portability. */
+
+#ifndef SEEK_SET
+# define SEEK_SET 0
+#endif
+
+/* Public */
+
+struct irs_pr *
+irs_lcl_pr(struct irs_acc *this) {
+	struct irs_pr *pr;
+	struct pvt *pvt;
+	
+	if (!(pr = memget(sizeof *pr))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	if (!(pvt = memget(sizeof *pvt))) {
+		memput(pr, sizeof *this);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	pr->private = pvt;
+	pr->close = pr_close;
+	pr->byname = pr_byname;
+	pr->bynumber = pr_bynumber;
+	pr->next = pr_next;
+	pr->rewind = pr_rewind;
+	pr->minimize = pr_minimize;
+	pr->res_get = NULL;
+	pr->res_set = NULL;
+	return (pr);
+}
+
+/* Methods */
+
+static void
+pr_close(struct irs_pr *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->fp)
+		(void) fclose(pvt->fp);
+	if (pvt->dbuf)
+		free(pvt->dbuf);
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+static struct protoent *
+pr_byname(struct irs_pr *this, const char *name) {
+		
+	struct protoent *p;
+	char **cp;
+
+	pr_rewind(this);
+	while ((p = pr_next(this))) {
+		if (!strcmp(p->p_name, name))
+			goto found;
+		for (cp = p->p_aliases; *cp; cp++)
+			if (!strcmp(*cp, name))
+				goto found;
+	}
+ found:
+	return (p);
+}
+
+static struct protoent *
+pr_bynumber(struct irs_pr *this, int proto) {
+	struct protoent *p;
+
+	pr_rewind(this);
+	while ((p = pr_next(this)))
+		if (p->p_proto == proto)
+			break;
+	return (p);
+}
+
+static void
+pr_rewind(struct irs_pr *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	
+	if (pvt->fp) {
+		if (fseek(pvt->fp, 0L, SEEK_SET) == 0)
+			return;
+		(void)fclose(pvt->fp);
+	}
+	if (!(pvt->fp = fopen(_PATH_PROTOCOLS, "r" )))
+		return;
+	if (fcntl(fileno(pvt->fp), F_SETFD, 1) < 0) {
+		(void)fclose(pvt->fp);
+		pvt->fp = NULL;
+	}
+}
+
+static struct protoent *
+pr_next(struct irs_pr *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	char *p, *cp, **q;
+	char *bufp, *ndbuf, *dbuf = NULL;
+	int c, bufsiz, offset;
+
+	if (!pvt->fp)
+		pr_rewind(this);
+	if (!pvt->fp)
+		return (NULL);
+	if (pvt->dbuf) {
+		free(pvt->dbuf);
+		pvt->dbuf = NULL;
+	}
+	bufp = pvt->line;
+	bufsiz = BUFSIZ;
+	offset = 0;
+ again:
+	if ((p = fgets(bufp + offset, bufsiz - offset, pvt->fp)) == NULL) {
+		if (dbuf)
+			free(dbuf);
+		return (NULL);
+	}
+	if (!strchr(p, '\n') && !feof(pvt->fp)) {
+#define GROWBUF 1024
+		/* allocate space for longer line */
+		if (dbuf == NULL) {
+			if ((ndbuf = malloc(bufsiz + GROWBUF)) != NULL)
+				strcpy(ndbuf, bufp);
+		} else
+			ndbuf = realloc(dbuf, bufsiz + GROWBUF);
+		if (ndbuf) {
+			dbuf = ndbuf;
+			bufp = dbuf;
+			bufsiz += GROWBUF;
+			offset = strlen(dbuf);
+		} else {
+			/* allocation failed; skip this long line */
+			while ((c = getc(pvt->fp)) != EOF)
+				if (c == '\n')
+					break;
+			if (c != EOF)
+				ungetc(c, pvt->fp);
+		}
+		goto again;
+	}
+
+	p -= offset;
+	offset = 0;
+
+	if (*p == '#')
+		goto again;
+	cp = strpbrk(p, "#\n");
+	if (cp != NULL)
+		*cp = '\0';
+	pvt->proto.p_name = p;
+	cp = strpbrk(p, " \t");
+	if (cp == NULL)
+		goto again;
+	*cp++ = '\0';
+	while (*cp == ' ' || *cp == '\t')
+		cp++;
+	p = strpbrk(cp, " \t");
+	if (p != NULL)
+		*p++ = '\0';
+	pvt->proto.p_proto = atoi(cp);
+	q = pvt->proto.p_aliases = pvt->proto_aliases;
+	if (p != NULL) {
+		cp = p;
+		while (cp && *cp) {
+			if (*cp == ' ' || *cp == '\t') {
+				cp++;
+				continue;
+			}
+			if (q < &pvt->proto_aliases[MAXALIASES - 1])
+				*q++ = cp;
+			cp = strpbrk(cp, " \t");
+			if (cp != NULL)
+				*cp++ = '\0';
+		}
+	}
+	*q = NULL;
+	pvt->dbuf = dbuf;
+	return (&pvt->proto);
+}
+
+static void
+pr_minimize(struct irs_pr *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->fp != NULL) {
+		(void)fclose(pvt->fp);
+		pvt->fp = NULL;
+	}
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/lcl_sv.c b/usr/src/lib/libresolv2_joy/common/irs/lcl_sv.c
new file mode 100644
index 0000000000..ad6526430c
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/lcl_sv.c
@@ -0,0 +1,432 @@
+/*
+ * Copyright (c) 1989, 1993, 1995
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: lcl_sv.c,v 1.4 2005/04/27 04:56:31 sra Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/* extern */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+#ifdef IRS_LCL_SV_DB
+#include <db.h>
+#endif
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <irs.h>
+#include <isc/memcluster.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "lcl_p.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) ((size_t)sprintf x)
+#endif
+
+/* Types */
+
+struct pvt {
+#ifdef IRS_LCL_SV_DB
+	DB *		dbh;
+	int		dbf;
+#endif
+	struct lcl_sv	sv;
+};
+
+/* Forward */
+
+static void			sv_close(struct irs_sv*);
+static struct servent *		sv_next(struct irs_sv *);
+static struct servent *		sv_byname(struct irs_sv *, const char *,
+					  const char *);
+static struct servent *		sv_byport(struct irs_sv *, int, const char *);
+static void			sv_rewind(struct irs_sv *);
+static void			sv_minimize(struct irs_sv *);
+/*global*/ struct servent *	irs_lclsv_fnxt(struct lcl_sv *);
+#ifdef IRS_LCL_SV_DB
+static struct servent *		sv_db_rec(struct lcl_sv *, DBT *, DBT *);
+#endif
+
+/* Portability */
+
+#ifndef SEEK_SET
+# define SEEK_SET 0
+#endif
+
+/* Public */
+
+struct irs_sv *
+irs_lcl_sv(struct irs_acc *this) {
+	struct irs_sv *sv;
+	struct pvt *pvt;
+
+	UNUSED(this);
+	
+	if ((sv = memget(sizeof *sv)) == NULL) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(sv, 0x5e, sizeof *sv);
+	if ((pvt = memget(sizeof *pvt)) == NULL) {
+		memput(sv, sizeof *sv);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	sv->private = pvt;
+	sv->close = sv_close;
+	sv->next = sv_next;
+	sv->byname = sv_byname;
+	sv->byport = sv_byport;
+	sv->rewind = sv_rewind;
+	sv->minimize = sv_minimize;
+	sv->res_get = NULL;
+	sv->res_set = NULL;
+#ifdef IRS_LCL_SV_DB
+	pvt->dbf = R_FIRST;
+#endif
+	return (sv);
+}
+
+/* Methods */
+
+static void
+sv_close(struct irs_sv *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	
+#ifdef IRS_LCL_SV_DB
+	if (pvt->dbh != NULL)
+		(*pvt->dbh->close)(pvt->dbh);
+#endif
+	if (pvt->sv.fp)
+		fclose(pvt->sv.fp);
+	memput(pvt, sizeof *pvt);
+	memput(this, sizeof *this);
+}
+
+static struct servent *
+sv_byname(struct irs_sv *this, const char *name, const char *proto) {
+#ifdef IRS_LCL_SV_DB
+	struct pvt *pvt = (struct pvt *)this->private;
+#endif
+	struct servent *p;
+	char **cp;
+
+	sv_rewind(this);
+#ifdef IRS_LCL_SV_DB
+	if (pvt->dbh != NULL) {
+		DBT key, data;
+
+		/* Note that (sizeof "/") == 2. */
+		if ((strlen(name) + sizeof "/" + proto ? strlen(proto) : 0)
+		    > sizeof pvt->sv.line)
+			goto try_local;
+		key.data = pvt->sv.line;
+		key.size = SPRINTF((pvt->sv.line, "%s/%s", name,
+				    proto ? proto : "")) + 1;
+		if (proto != NULL) {
+			if ((*pvt->dbh->get)(pvt->dbh, &key, &data, 0) != 0)
+				return (NULL);
+		} else if ((*pvt->dbh->seq)(pvt->dbh, &key, &data, R_CURSOR)
+			   != 0)
+			return (NULL);
+		return (sv_db_rec(&pvt->sv, &key, &data));
+	}
+ try_local:
+#endif
+
+	while ((p = sv_next(this))) {
+		if (strcmp(name, p->s_name) == 0)
+			goto gotname;
+		for (cp = p->s_aliases; *cp; cp++)
+			if (strcmp(name, *cp) == 0)
+				goto gotname;
+		continue;
+ gotname:
+		if (proto == NULL || strcmp(p->s_proto, proto) == 0)
+			break;
+	}
+	return (p);
+}
+
+static struct servent *
+sv_byport(struct irs_sv *this, int port, const char *proto) {
+#ifdef IRS_LCL_SV_DB
+	struct pvt *pvt = (struct pvt *)this->private;
+#endif
+	struct servent *p;
+
+	sv_rewind(this);
+#ifdef IRS_LCL_SV_DB
+	if (pvt->dbh != NULL) {
+		DBT key, data;
+		u_short *ports;
+
+		ports = (u_short *)pvt->sv.line;
+		ports[0] = 0;
+		ports[1] = port;
+		key.data = ports;
+		key.size = sizeof(u_short) * 2;
+		if (proto && *proto) {
+			strncpy((char *)ports + key.size, proto,
+				BUFSIZ - key.size);
+			key.size += strlen((char *)ports + key.size) + 1;
+			if ((*pvt->dbh->get)(pvt->dbh, &key, &data, 0) != 0)
+				return (NULL);
+		} else {
+			if ((*pvt->dbh->seq)(pvt->dbh, &key, &data, R_CURSOR)
+			    != 0)
+				return (NULL);
+		}
+		return (sv_db_rec(&pvt->sv, &key, &data));
+	}
+#endif
+	while ((p = sv_next(this))) {
+		if (p->s_port != port)
+			continue;
+		if (proto == NULL || strcmp(p->s_proto, proto) == 0)
+			break;
+	}
+	return (p);
+}
+
+static void
+sv_rewind(struct irs_sv *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->sv.fp) {
+		if (fseek(pvt->sv.fp, 0L, SEEK_SET) == 0)
+			return;
+		(void)fclose(pvt->sv.fp);
+		pvt->sv.fp = NULL;
+	}
+#ifdef IRS_LCL_SV_DB
+	pvt->dbf = R_FIRST;
+	if (pvt->dbh != NULL)
+		return;
+	pvt->dbh = dbopen(_PATH_SERVICES_DB, O_RDONLY,O_RDONLY,DB_BTREE, NULL);
+	if (pvt->dbh != NULL) {
+		if (fcntl((*pvt->dbh->fd)(pvt->dbh), F_SETFD, 1) < 0) {
+			(*pvt->dbh->close)(pvt->dbh);
+			pvt->dbh = NULL;
+		}
+		return;
+	}
+#endif
+	if ((pvt->sv.fp = fopen(_PATH_SERVICES, "r")) == NULL)
+		return;
+	if (fcntl(fileno(pvt->sv.fp), F_SETFD, 1) < 0) {
+		(void)fclose(pvt->sv.fp);
+		pvt->sv.fp = NULL;
+	}
+}
+
+static struct servent *
+sv_next(struct irs_sv *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+#ifdef IRS_LCL_SV_DB
+	if (pvt->dbh == NULL && pvt->sv.fp == NULL)
+#else
+	if (pvt->sv.fp == NULL)
+#endif
+		sv_rewind(this);
+
+#ifdef IRS_LCL_SV_DB
+	if (pvt->dbh != NULL) {
+		DBT key, data;
+
+		while ((*pvt->dbh->seq)(pvt->dbh, &key, &data, pvt->dbf) == 0){
+			pvt->dbf = R_NEXT;
+			if (((char *)key.data)[0])
+				continue;
+			return (sv_db_rec(&pvt->sv, &key, &data));
+		}
+	}
+#endif
+
+	if (pvt->sv.fp == NULL)
+		return (NULL);
+	return (irs_lclsv_fnxt(&pvt->sv));
+}
+
+static void
+sv_minimize(struct irs_sv *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+#ifdef IRS_LCL_SV_DB
+	if (pvt->dbh != NULL) {
+		(*pvt->dbh->close)(pvt->dbh);
+		pvt->dbh = NULL;
+	}
+#endif
+	if (pvt->sv.fp != NULL) {
+		(void)fclose(pvt->sv.fp);
+		pvt->sv.fp = NULL;
+	}
+}
+
+/* Quasipublic. */
+
+struct servent *
+irs_lclsv_fnxt(struct lcl_sv *sv) {
+	char *p, *cp, **q;
+
+ again:
+	if ((p = fgets(sv->line, BUFSIZ, sv->fp)) == NULL)
+		return (NULL);
+	if (*p == '#')
+		goto again;
+	sv->serv.s_name = p;
+	while (*p && *p != '\n' && *p != ' ' && *p != '\t' && *p != '#')
+		++p;
+	if (*p == '\0' || *p == '#' || *p == '\n')
+		goto again;
+	*p++ = '\0';
+	while (*p == ' ' || *p == '\t')
+		p++;
+	if (*p == '\0' || *p == '#' || *p == '\n')
+		goto again;
+	sv->serv.s_port = htons((u_short)strtol(p, &cp, 10));
+	if (cp == p || (*cp != '/' && *cp != ','))
+		goto again;
+	p = cp + 1;
+	sv->serv.s_proto = p;
+
+	q = sv->serv.s_aliases = sv->serv_aliases;
+
+	while (*p && *p != '\n' && *p != ' ' && *p != '\t' && *p != '#')
+		++p;
+
+	while (*p == ' ' || *p == '\t') {
+		*p++ = '\0';
+		while (*p == ' ' || *p == '\t')
+			++p;
+		if (*p == '\0' || *p == '#' || *p == '\n')
+			break;
+		if (q < &sv->serv_aliases[IRS_SV_MAXALIASES - 1])
+			*q++ = p;
+		while (*p && *p != '\n' && *p != ' ' && *p != '\t' && *p != '#')
+			++p;
+	}
+		
+	*p = '\0';
+	*q = NULL;
+	return (&sv->serv);
+}
+
+/* Private. */
+
+#ifdef IRS_LCL_SV_DB
+static struct servent *
+sv_db_rec(struct lcl_sv *sv, DBT *key, DBT *data) {
+	char *p, **q;
+	int n;
+
+	p = data->data;
+	p[data->size - 1] = '\0';	/*%< should be, but we depend on it */
+	if (((char *)key->data)[0] == '\0') {
+		if (key->size < sizeof(u_short)*2 || data->size < 2)
+			return (NULL);
+		sv->serv.s_port = ((u_short *)key->data)[1];
+		n = strlen(p) + 1;
+		if ((size_t)n > sizeof(sv->line)) {
+			n = sizeof(sv->line);
+		}
+		memcpy(sv->line, p, n);
+		sv->serv.s_name = sv->line;
+		if ((sv->serv.s_proto = strchr(sv->line, '/')) != NULL)
+			*(sv->serv.s_proto)++ = '\0';
+		p += n;
+		data->size -= n;
+	} else {
+		if (data->size < sizeof(u_short) + 1)
+			return (NULL);
+		if (key->size > sizeof(sv->line))
+			key->size = sizeof(sv->line);
+		((char *)key->data)[key->size - 1] = '\0';
+		memcpy(sv->line, key->data, key->size);
+		sv->serv.s_name = sv->line;
+		if ((sv->serv.s_proto = strchr(sv->line, '/')) != NULL)
+			*(sv->serv.s_proto)++ = '\0';
+		sv->serv.s_port = *(u_short *)data->data;
+		p += sizeof(u_short);
+		data->size -= sizeof(u_short);
+	}
+	q = sv->serv.s_aliases = sv->serv_aliases;
+	while (data->size > 0 && q < &sv->serv_aliases[IRS_SV_MAXALIASES - 1]) {
+
+		*q++ = p;
+		n = strlen(p) + 1;
+		data->size -= n;
+		p += n;
+	}
+	*q = NULL;
+	return (&sv->serv);
+}
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/nis.c b/usr/src/lib/libresolv2_joy/common/irs/nis.c
new file mode 100644
index 0000000000..ac1796543c
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/nis.c
@@ -0,0 +1,156 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: nis.c,v 1.3 2005/04/27 04:56:32 sra Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#ifdef WANT_IRS_NIS
+
+#include <rpc/rpc.h>
+#include <rpc/xdr.h>
+#include <rpcsvc/yp_prot.h>
+#include <rpcsvc/ypclnt.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include <sys/types.h>
+#include <netinet/in.h> 
+#ifdef T_NULL
+#undef T_NULL			/* Silence re-definition warning of T_NULL. */
+#endif
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+#include <isc/memcluster.h>
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "hesiod.h"
+#include "nis_p.h"
+
+/* Forward */
+
+static void		nis_close(struct irs_acc *);
+static struct __res_state * nis_res_get(struct irs_acc *);
+static void		nis_res_set(struct irs_acc *, struct __res_state *,
+				void (*)(void *));
+
+/* Public */
+
+struct irs_acc *
+irs_nis_acc(const char *options) {
+	struct nis_p *nis;
+	struct irs_acc *acc;
+	char *domain;
+
+	UNUSED(options);
+
+	if (yp_get_default_domain(&domain) != 0)
+		return (NULL);
+	if (!(nis = memget(sizeof *nis))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(nis, 0, sizeof *nis);
+	if (!(acc = memget(sizeof *acc))) {
+		memput(nis, sizeof *nis);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(acc, 0x5e, sizeof *acc);
+	acc->private = nis;
+	nis->domain = strdup(domain);
+#ifdef WANT_IRS_GR
+	acc->gr_map = irs_nis_gr;
+#else
+	acc->gr_map = NULL;
+#endif
+#ifdef WANT_IRS_PW
+	acc->pw_map = irs_nis_pw;
+#else
+	acc->pw_map = NULL;
+#endif
+	acc->sv_map = irs_nis_sv;
+	acc->pr_map = irs_nis_pr;
+	acc->ho_map = irs_nis_ho;
+	acc->nw_map = irs_nis_nw;
+	acc->ng_map = irs_nis_ng;
+	acc->res_get = nis_res_get;
+	acc->res_set = nis_res_set;
+	acc->close = nis_close;
+	return (acc);
+}
+
+/* Methods */
+
+static struct __res_state *
+nis_res_get(struct irs_acc *this) {
+	struct nis_p *nis = (struct nis_p *)this->private;
+
+	if (nis->res == NULL) {
+		struct __res_state *res;
+		res = (struct __res_state *)malloc(sizeof *res);
+		if (res == NULL)
+			return (NULL);
+		memset(res, 0, sizeof *res);
+		nis_res_set(this, res, free);
+	}
+
+	if ((nis->res->options & RES_INIT) == 0 &&
+	    res_ninit(nis->res) < 0)
+		return (NULL);
+
+	return (nis->res);
+}
+
+static void
+nis_res_set(struct irs_acc *this, struct __res_state *res,
+		void (*free_res)(void *)) {
+	struct nis_p *nis = (struct nis_p *)this->private;
+
+	if (nis->res && nis->free_res) {
+		res_nclose(nis->res);
+		(*nis->free_res)(nis->res);
+	}
+
+	nis->res = res;
+	nis->free_res = free_res;
+}
+
+static void
+nis_close(struct irs_acc *this) {
+	struct nis_p *nis = (struct nis_p *)this->private;
+
+	if (nis->res && nis->free_res)
+		(*nis->free_res)(nis->res);
+	free(nis->domain);
+	memput(nis, sizeof *nis);
+	memput(this, sizeof *this);
+}
+
+#endif /*WANT_IRS_NIS*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/nis_p.h b/usr/src/lib/libresolv2_joy/common/irs/nis_p.h
new file mode 100644
index 0000000000..70e2948d67
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/nis_p.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id: nis_p.h,v 1.3 2005/04/27 04:56:33 sra Exp $
+ */
+
+/*! \file
+ * \brief
+ * nis_p.h - private include file for the NIS functions.
+ */
+
+/*%
+ * Object state.
+ */
+struct nis_p {
+	char *			domain;
+	struct __res_state *	res;
+	void                    (*free_res) __P((void *));
+};
+
+
+/*
+ * Methods.
+ */
+
+extern struct irs_gr *	irs_nis_gr __P((struct irs_acc *));
+extern struct irs_pw *	irs_nis_pw __P((struct irs_acc *));
+extern struct irs_sv *	irs_nis_sv __P((struct irs_acc *));
+extern struct irs_pr *	irs_nis_pr __P((struct irs_acc *));
+extern struct irs_ho *	irs_nis_ho __P((struct irs_acc *));
+extern struct irs_nw *	irs_nis_nw __P((struct irs_acc *));
+extern struct irs_ng *	irs_nis_ng __P((struct irs_acc *));
diff --git a/usr/src/lib/libresolv2_joy/common/irs/nul_ng.c b/usr/src/lib/libresolv2_joy/common/irs/nul_ng.c
new file mode 100644
index 0000000000..504813bde1
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/nul_ng.c
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: nul_ng.c,v 1.3 2005/04/27 04:56:34 sra Exp $";
+#endif
+
+/*! \file
+ * \brief
+ * nul_ng.c - the netgroup accessor null map
+ */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <netdb.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include <irs.h>
+#include <isc/memcluster.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "hesiod.h"
+#include "dns_p.h"
+
+/* Forward. */
+
+static void 		ng_close(struct irs_ng *);
+static int		ng_next(struct irs_ng *, const char **,
+				const char **, const char **);
+static int		ng_test(struct irs_ng *,
+ 				const char *, const char *,
+				const char *, const char *);
+static void		ng_rewind(struct irs_ng *, const char *);
+static void		ng_minimize(struct irs_ng *);
+
+/* Public. */
+
+struct irs_ng *
+irs_nul_ng(struct irs_acc *this) {
+	struct irs_ng *ng;
+
+	UNUSED(this);
+
+	if (!(ng = memget(sizeof *ng))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(ng, 0x5e, sizeof *ng);
+	ng->private = NULL;
+	ng->close = ng_close;
+	ng->next = ng_next;
+	ng->test = ng_test;
+	ng->rewind = ng_rewind;
+	ng->minimize = ng_minimize;
+	return (ng);
+}
+
+/* Methods. */
+
+static void
+ng_close(struct irs_ng *this) {
+	memput(this, sizeof *this);
+}
+
+/* ARGSUSED */
+static int
+ng_next(struct irs_ng *this, const char **host, const char **user,
+	const char **domain)
+{
+	UNUSED(this);
+	UNUSED(host);
+	UNUSED(user);
+	UNUSED(domain);
+	errno = ENOENT;
+	return (-1);
+}
+
+static int
+ng_test(struct irs_ng *this, const char *name,
+	const char *user, const char *host, const char *domain)
+{
+	UNUSED(this);
+	UNUSED(name);
+	UNUSED(user);
+	UNUSED(host);
+	UNUSED(domain);
+	errno = ENODEV;
+	return (-1);
+}
+
+static void
+ng_rewind(struct irs_ng *this, const char *netgroup) {
+	UNUSED(this);
+	UNUSED(netgroup);
+	/* NOOP */
+}
+
+static void
+ng_minimize(struct irs_ng *this) {
+	UNUSED(this);
+	/* NOOP */
+}
diff --git a/usr/src/lib/libresolv2_joy/common/irs/pathnames.h b/usr/src/lib/libresolv2_joy/common/irs/pathnames.h
new file mode 100644
index 0000000000..1646842155
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/pathnames.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id: pathnames.h,v 1.3 2005/04/27 04:56:34 sra Exp $
+ */
+
+#ifndef _PATH_IRS_CONF
+#define	_PATH_IRS_CONF "/etc/irs.conf"
+#endif
+
+#ifndef _PATH_NETWORKS 
+#define _PATH_NETWORKS  "/etc/networks"
+#endif
+
+#ifndef _PATH_GROUP
+#define _PATH_GROUP "/etc/group"
+#endif
+
+#ifndef _PATH_NETGROUP
+#define _PATH_NETGROUP "/etc/netgroup"
+#endif
+
+#ifndef _PATH_SERVICES 
+#define _PATH_SERVICES "/etc/services"
+#endif
+
+#ifdef IRS_LCL_SV_DB
+#ifndef _PATH_SERVICES_DB
+#define	_PATH_SERVICES_DB _PATH_SERVICES ".db"
+#endif
+#endif
+
+#ifndef _PATH_HESIOD_CONF
+#define _PATH_HESIOD_CONF "/etc/hesiod.conf"
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/irs/util.c b/usr/src/lib/libresolv2_joy/common/irs/util.c
new file mode 100644
index 0000000000..9c70eabddc
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/irs/util.c
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: util.c,v 1.3 2005/04/27 04:56:34 sra Exp $";
+#endif
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) sprintf x
+#endif
+
+void
+map_v4v6_address(const char *src, char *dst) {
+	u_char *p = (u_char *)dst;
+	char tmp[NS_INADDRSZ];
+	int i;
+
+	/* Stash a temporary copy so our caller can update in place. */
+	memcpy(tmp, src, NS_INADDRSZ);
+	/* Mark this ipv6 addr as a mapped ipv4. */
+	for (i = 0; i < 10; i++)
+		*p++ = 0x00;
+	*p++ = 0xff;
+	*p++ = 0xff;
+	/* Retrieve the saved copy and we're done. */
+	memcpy((void*)p, tmp, NS_INADDRSZ);
+}
+
+int
+make_group_list(struct irs_gr *this, const char *name,
+	gid_t basegid, gid_t *groups, int *ngroups)
+{
+	struct group *grp;
+	int i, ng;
+	int ret, maxgroups;
+
+	ret = -1;
+	ng = 0;
+	maxgroups = *ngroups;
+	/*
+	 * When installing primary group, duplicate it;
+	 * the first element of groups is the effective gid
+	 * and will be overwritten when a setgid file is executed.
+	 */
+	if (ng >= maxgroups)
+		goto done;
+	groups[ng++] = basegid;
+	if (ng >= maxgroups)
+		goto done;
+	groups[ng++] = basegid;
+	/*
+	 * Scan the group file to find additional groups.
+	 */
+	(*this->rewind)(this);
+	while ((grp = (*this->next)(this)) != NULL) {
+		if ((gid_t)grp->gr_gid == basegid)
+			continue;
+		for (i = 0; grp->gr_mem[i]; i++) {
+			if (!strcmp(grp->gr_mem[i], name)) {
+				if (ng >= maxgroups)
+					goto done;
+				groups[ng++] = grp->gr_gid;
+				break;
+			}
+		}
+	}
+	ret = 0;
+ done:
+	*ngroups = ng;
+	return (ret);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/assertions.c b/usr/src/lib/libresolv2_joy/common/isc/assertions.c
new file mode 100644
index 0000000000..b71e5a32d3
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/assertions.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2004, 2005, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1997, 1999, 2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: assertions.c,v 1.5 2008/11/14 02:36:51 marka Exp $";
+#endif
+
+#include "port_before.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <isc/assertions.h>
+
+#include "port_after.h"
+
+/*
+ * Forward.
+ */
+
+static void default_assertion_failed(const char *, int, assertion_type,
+				     const char *, int);
+
+/*
+ * Public.
+ */
+
+assertion_failure_callback __assertion_failed = default_assertion_failed;
+
+void
+set_assertion_failure_callback(assertion_failure_callback f) {
+	if (f == NULL)
+		__assertion_failed = default_assertion_failed;
+	else
+		__assertion_failed = f;
+}
+
+const char *
+assertion_type_to_text(assertion_type type) {
+	const char *result;
+
+	switch (type) {
+	case assert_require:
+		result = "REQUIRE";
+		break;
+	case assert_ensure:
+		result = "ENSURE";
+		break;
+	case assert_insist:
+		result = "INSIST";
+		break;
+	case assert_invariant:
+		result = "INVARIANT";
+		break;
+	default:
+		result = NULL;
+	}
+	return (result);
+}
+
+/*
+ * Private.
+ */
+
+/* coverity[+kill] */
+static void
+default_assertion_failed(const char *file, int line, assertion_type type,
+			 const char *cond, int print_errno)
+{
+	fprintf(stderr, "%s:%d: %s(%s)%s%s failed.\n",
+		file, line, assertion_type_to_text(type), cond,
+		(print_errno) ? ": " : "",
+		(print_errno) ? strerror(errno) : "");
+	abort();
+	/* NOTREACHED */
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/base64.c b/usr/src/lib/libresolv2_joy/common/isc/base64.c
new file mode 100644
index 0000000000..79c35722b1
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/base64.c
@@ -0,0 +1,333 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Portions Copyright (c) 1995 by International Business Machines, Inc.
+ *
+ * International Business Machines, Inc. (hereinafter called IBM) grants
+ * permission under its copyrights to use, copy, modify, and distribute this
+ * Software with or without fee, provided that the above copyright notice and
+ * all paragraphs of this notice appear in all copies, and that the name of IBM
+ * not be used in connection with the marketing of any product incorporating
+ * the Software or modifications thereof, without specific, written prior
+ * permission.
+ *
+ * To the extent it has a right to do so, IBM grants an immunity from suit
+ * under its patents, if any, for the use, sale or manufacture of products to
+ * the extent that such products are used for performing Domain Name System
+ * dynamic updates in TCP/IP networks by means of the Software.  No immunity is
+ * granted for any product per se or for any other function of any product.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE.  IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
+ * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
+ * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: base64.c,v 1.4 2005/04/27 04:56:34 sra Exp $";
+#endif /* not lint */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <ctype.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "port_after.h"
+
+#ifndef	ORIGINAL_ISC_CODE
+#pragma weak	__b64_ntop	=	b64_ntop
+#pragma weak	__b64_pton	=	b64_pton
+#endif	/* ORIGINAL_ISC_CODE */
+
+#define Assert(Cond) if (!(Cond)) abort()
+
+static const char Base64[] =
+	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+static const char Pad64 = '=';
+
+/* (From RFC1521 and draft-ietf-dnssec-secext-03.txt)
+   The following encoding technique is taken from RFC1521 by Borenstein
+   and Freed.  It is reproduced here in a slightly edited form for
+   convenience.
+
+   A 65-character subset of US-ASCII is used, enabling 6 bits to be
+   represented per printable character. (The extra 65th character, "=",
+   is used to signify a special processing function.)
+
+   The encoding process represents 24-bit groups of input bits as output
+   strings of 4 encoded characters. Proceeding from left to right, a
+   24-bit input group is formed by concatenating 3 8-bit input groups.
+   These 24 bits are then treated as 4 concatenated 6-bit groups, each
+   of which is translated into a single digit in the base64 alphabet.
+
+   Each 6-bit group is used as an index into an array of 64 printable
+   characters. The character referenced by the index is placed in the
+   output string.
+
+                         Table 1: The Base64 Alphabet
+
+      Value Encoding  Value Encoding  Value Encoding  Value Encoding
+          0 A            17 R            34 i            51 z
+          1 B            18 S            35 j            52 0
+          2 C            19 T            36 k            53 1
+          3 D            20 U            37 l            54 2
+          4 E            21 V            38 m            55 3
+          5 F            22 W            39 n            56 4
+          6 G            23 X            40 o            57 5
+          7 H            24 Y            41 p            58 6
+          8 I            25 Z            42 q            59 7
+          9 J            26 a            43 r            60 8
+         10 K            27 b            44 s            61 9
+         11 L            28 c            45 t            62 +
+         12 M            29 d            46 u            63 /
+         13 N            30 e            47 v
+         14 O            31 f            48 w         (pad) =
+         15 P            32 g            49 x
+         16 Q            33 h            50 y
+
+   Special processing is performed if fewer than 24 bits are available
+   at the end of the data being encoded.  A full encoding quantum is
+   always completed at the end of a quantity.  When fewer than 24 input
+   bits are available in an input group, zero bits are added (on the
+   right) to form an integral number of 6-bit groups.  Padding at the
+   end of the data is performed using the '=' character.
+
+   Since all base64 input is an integral number of octets, only the
+         -------------------------------------------------                       
+   following cases can arise:
+   
+       (1) the final quantum of encoding input is an integral
+           multiple of 24 bits; here, the final unit of encoded
+	   output will be an integral multiple of 4 characters
+	   with no "=" padding,
+       (2) the final quantum of encoding input is exactly 8 bits;
+           here, the final unit of encoded output will be two
+	   characters followed by two "=" padding characters, or
+       (3) the final quantum of encoding input is exactly 16 bits;
+           here, the final unit of encoded output will be three
+	   characters followed by one "=" padding character.
+   */
+
+int
+b64_ntop(u_char const *src, size_t srclength, char *target, size_t targsize) {
+	size_t datalength = 0;
+	u_char input[3];
+	u_char output[4];
+	size_t i;
+
+	while (2U < srclength) {
+		input[0] = *src++;
+		input[1] = *src++;
+		input[2] = *src++;
+		srclength -= 3;
+
+		output[0] = input[0] >> 2;
+		output[1] = ((input[0] & 0x03) << 4) + (input[1] >> 4);
+		output[2] = ((input[1] & 0x0f) << 2) + (input[2] >> 6);
+		output[3] = input[2] & 0x3f;
+		Assert(output[0] < 64);
+		Assert(output[1] < 64);
+		Assert(output[2] < 64);
+		Assert(output[3] < 64);
+
+		if (datalength + 4 > targsize)
+			return (-1);
+		target[datalength++] = Base64[output[0]];
+		target[datalength++] = Base64[output[1]];
+		target[datalength++] = Base64[output[2]];
+		target[datalength++] = Base64[output[3]];
+	}
+    
+	/* Now we worry about padding. */
+	if (0U != srclength) {
+		/* Get what's left. */
+		input[0] = input[1] = input[2] = '\0';
+		for (i = 0; i < srclength; i++)
+			input[i] = *src++;
+	
+		output[0] = input[0] >> 2;
+		output[1] = ((input[0] & 0x03) << 4) + (input[1] >> 4);
+		output[2] = ((input[1] & 0x0f) << 2) + (input[2] >> 6);
+		Assert(output[0] < 64);
+		Assert(output[1] < 64);
+		Assert(output[2] < 64);
+
+		if (datalength + 4 > targsize)
+			return (-1);
+		target[datalength++] = Base64[output[0]];
+		target[datalength++] = Base64[output[1]];
+		if (srclength == 1U)
+			target[datalength++] = Pad64;
+		else
+			target[datalength++] = Base64[output[2]];
+		target[datalength++] = Pad64;
+	}
+	if (datalength >= targsize)
+		return (-1);
+	target[datalength] = '\0';	/*%< Returned value doesn't count \\0. */
+	return (datalength);
+}
+
+/* skips all whitespace anywhere.
+   converts characters, four at a time, starting at (or after)
+   src from base - 64 numbers into three 8 bit bytes in the target area.
+   it returns the number of data bytes stored at the target, or -1 on error.
+ */
+
+int
+b64_pton(src, target, targsize)
+	char const *src;
+	u_char *target;
+	size_t targsize;
+{
+	int tarindex, state, ch;
+	char *pos;
+
+	state = 0;
+	tarindex = 0;
+
+	while ((ch = *src++) != '\0') {
+		if (isspace(ch))	/*%< Skip whitespace anywhere. */
+			continue;
+
+		if (ch == Pad64)
+			break;
+
+		pos = strchr(Base64, ch);
+		if (pos == 0) 		/*%< A non-base64 character. */
+			return (-1);
+
+		switch (state) {
+		case 0:
+			if (target) {
+				if ((size_t)tarindex >= targsize)
+					return (-1);
+				target[tarindex] = (pos - Base64) << 2;
+			}
+			state = 1;
+			break;
+		case 1:
+			if (target) {
+				if ((size_t)tarindex + 1 >= targsize)
+					return (-1);
+				target[tarindex]   |=  (pos - Base64) >> 4;
+				target[tarindex+1]  = ((pos - Base64) & 0x0f)
+							<< 4 ;
+			}
+			tarindex++;
+			state = 2;
+			break;
+		case 2:
+			if (target) {
+				if ((size_t)tarindex + 1 >= targsize)
+					return (-1);
+				target[tarindex]   |=  (pos - Base64) >> 2;
+				target[tarindex+1]  = ((pos - Base64) & 0x03)
+							<< 6;
+			}
+			tarindex++;
+			state = 3;
+			break;
+		case 3:
+			if (target) {
+				if ((size_t)tarindex >= targsize)
+					return (-1);
+				target[tarindex] |= (pos - Base64);
+			}
+			tarindex++;
+			state = 0;
+			break;
+		default:
+			abort();
+		}
+	}
+
+	/*
+	 * We are done decoding Base-64 chars.  Let's see if we ended
+	 * on a byte boundary, and/or with erroneous trailing characters.
+	 */
+
+	if (ch == Pad64) {		/*%< We got a pad char. */
+		ch = *src++;		/*%< Skip it, get next. */
+		switch (state) {
+		case 0:		/*%< Invalid = in first position */
+		case 1:		/*%< Invalid = in second position */
+			return (-1);
+
+		case 2:		/*%< Valid, means one byte of info */
+			/* Skip any number of spaces. */
+			for ((void)NULL; ch != '\0'; ch = *src++)
+				if (!isspace(ch))
+					break;
+			/* Make sure there is another trailing = sign. */
+			if (ch != Pad64)
+				return (-1);
+			ch = *src++;		/*%< Skip the = */
+			/* Fall through to "single trailing =" case. */
+			/* FALLTHROUGH */
+
+		case 3:		/*%< Valid, means two bytes of info */
+			/*
+			 * We know this char is an =.  Is there anything but
+			 * whitespace after it?
+			 */
+			for ((void)NULL; ch != '\0'; ch = *src++)
+				if (!isspace(ch))
+					return (-1);
+
+			/*
+			 * Now make sure for cases 2 and 3 that the "extra"
+			 * bits that slopped past the last full byte were
+			 * zeros.  If we don't check them, they become a
+			 * subliminal channel.
+			 */
+			if (target && target[tarindex] != 0)
+				return (-1);
+		}
+	} else {
+		/*
+		 * We ended by seeing the end of the string.  Make sure we
+		 * have no partial bytes lying around.
+		 */
+		if (state != 0)
+			return (-1);
+	}
+
+	return (tarindex);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/bitncmp.c b/usr/src/lib/libresolv2_joy/common/isc/bitncmp.c
new file mode 100644
index 0000000000..efe5009292
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/bitncmp.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2004, 2005, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1996, 1999, 2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: bitncmp.c,v 1.5 2008/11/14 02:36:51 marka Exp $";
+#endif
+
+#include "port_before.h"
+
+#include <sys/types.h>
+
+#include <string.h>
+
+#include "port_after.h"
+
+#include <isc/misc.h>
+
+/*%
+ * int
+ * bitncmp(l, r, n)
+ *	compare bit masks l and r, for n bits.
+ * return:
+ *	-1, 1, or 0 in the libc tradition.
+ * note:
+ *	network byte order assumed.  this means 192.5.5.240/28 has
+ *	0x11110000 in its fourth octet.
+ * author:
+ *	Paul Vixie (ISC), June 1996
+ */
+int
+bitncmp(const void *l, const void *r, int n) {
+	u_int lb, rb;
+	int x, b;
+
+	b = n / 8;
+	x = memcmp(l, r, b);
+	if (x || (n % 8) == 0)
+		return (x);
+
+	lb = ((const u_char *)l)[b];
+	rb = ((const u_char *)r)[b];
+	for (b = n % 8; b > 0; b--) {
+		if ((lb & 0x80) != (rb & 0x80)) {
+			if (lb & 0x80)
+				return (1);
+			return (-1);
+		}
+		lb <<= 1;
+		rb <<= 1;
+	}
+	return (0);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/ctl_clnt.c b/usr/src/lib/libresolv2_joy/common/isc/ctl_clnt.c
new file mode 100644
index 0000000000..f71001a6d4
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/ctl_clnt.c
@@ -0,0 +1,620 @@
+/*
+ * Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1998-2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(lint) && !defined(SABER)
+static const char rcsid[] = "$Id: ctl_clnt.c,v 1.11 2008/11/14 02:36:51 marka Exp $";
+#endif /* not lint */
+
+/* Extern. */
+
+#include "port_before.h"
+
+#include <sys/param.h>
+#include <sys/file.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#ifdef HAVE_MEMORY_H
+#include <memory.h>
+#endif
+
+#include <isc/assertions.h>
+#include <isc/ctl.h>
+#include <isc/eventlib.h>
+#include <isc/list.h>
+#include <isc/memcluster.h>
+
+#include "ctl_p.h"
+
+#include "port_after.h"
+
+/* Constants. */
+
+
+/* Macros. */
+
+#define donefunc_p(ctx) ((ctx).donefunc != NULL)
+#define arpacode_p(line) (isdigit((unsigned char)(line[0])) && \
+			  isdigit((unsigned char)(line[1])) && \
+			  isdigit((unsigned char)(line[2])))
+#define arpacont_p(line) (line[3] == '-')
+#define arpadone_p(line) (line[3] == ' ' || line[3] == '\t' || \
+			  line[3] == '\r' || line[3] == '\0')
+
+/* Types. */
+
+enum state {
+	initializing = 0, connecting, connected, destroyed
+};
+
+struct ctl_tran {
+	LINK(struct ctl_tran)	link;
+	LINK(struct ctl_tran)	wlink;
+	struct ctl_cctx *	ctx;
+	struct ctl_buf		outbuf;
+	ctl_clntdone		donefunc;
+	void *			uap;
+};
+
+struct ctl_cctx {
+	enum state		state;
+	evContext		ev;
+	int			sock;
+	ctl_logfunc		logger;
+	ctl_clntdone		donefunc;
+	void *			uap;
+	evConnID		coID;
+	evTimerID		tiID;
+	evFileID		rdID;
+	evStreamID		wrID;
+	struct ctl_buf		inbuf;
+	struct timespec		timeout;
+	LIST(struct ctl_tran)	tran;
+	LIST(struct ctl_tran)	wtran;
+};
+
+/* Forward. */
+
+static struct ctl_tran *new_tran(struct ctl_cctx *, ctl_clntdone, void *, int);
+static void		start_write(struct ctl_cctx *);
+static void		destroy(struct ctl_cctx *, int);
+static void		error(struct ctl_cctx *);
+static void		new_state(struct ctl_cctx *, enum state);
+static void		conn_done(evContext, void *, int,
+				  const void *, int,
+				  const void *, int);
+static void		write_done(evContext, void *, int, int);
+static void		start_read(struct ctl_cctx *);
+static void		stop_read(struct ctl_cctx *);
+static void		readable(evContext, void *, int, int);
+static void		start_timer(struct ctl_cctx *);
+static void		stop_timer(struct ctl_cctx *);
+static void		touch_timer(struct ctl_cctx *);
+static void		timer(evContext, void *,
+			      struct timespec, struct timespec);
+
+#ifndef HAVE_MEMCHR
+static void *
+memchr(const void *b, int c, size_t len) {
+	const unsigned char *p = b;
+	size_t i;
+
+	for (i = 0; i < len; i++, p++)
+		if (*p == (unsigned char)c)
+			return ((void *)p);
+	return (NULL);
+}
+#endif
+
+/* Private data. */
+
+static const char * const state_names[] = {
+	"initializing", "connecting", "connected", "destroyed"
+};
+
+/* Public. */
+
+/*%
+ * void
+ * ctl_client()
+ *	create, condition, and connect to a listener on the control port.
+ */
+struct ctl_cctx *
+ctl_client(evContext lev, const struct sockaddr *cap, size_t cap_len,
+	   const struct sockaddr *sap, size_t sap_len,
+	   ctl_clntdone donefunc, void *uap,
+	   u_int timeout, ctl_logfunc logger)
+{
+	static const char me[] = "ctl_client";
+	static const int on = 1;
+	struct ctl_cctx *ctx;
+	struct sockaddr *captmp;
+
+	if (logger == NULL)
+		logger = ctl_logger;
+	ctx = memget(sizeof *ctx);
+	if (ctx == NULL) {
+		(*logger)(ctl_error, "%s: getmem: %s", me, strerror(errno));
+		goto fatal;
+	}
+	ctx->state = initializing;
+	ctx->ev = lev;
+	ctx->logger = logger;
+	ctx->timeout = evConsTime(timeout, 0);
+	ctx->donefunc = donefunc;
+	ctx->uap = uap;
+	ctx->coID.opaque = NULL;
+	ctx->tiID.opaque = NULL;
+	ctx->rdID.opaque = NULL;
+	ctx->wrID.opaque = NULL;
+	buffer_init(ctx->inbuf);
+	INIT_LIST(ctx->tran);
+	INIT_LIST(ctx->wtran);
+	ctx->sock = socket(sap->sa_family, SOCK_STREAM, PF_UNSPEC);
+	if (ctx->sock > evHighestFD(ctx->ev)) {
+		ctx->sock = -1;
+		errno = ENOTSOCK;
+	}
+	if (ctx->sock < 0) {
+		(*ctx->logger)(ctl_error, "%s: socket: %s",
+			       me, strerror(errno));
+		goto fatal;
+	}
+	if (cap != NULL) {
+		if (setsockopt(ctx->sock, SOL_SOCKET, SO_REUSEADDR,
+			       (const char *)&on, sizeof on) != 0) {
+			(*ctx->logger)(ctl_warning,
+				       "%s: setsockopt(REUSEADDR): %s",
+				       me, strerror(errno));
+		}
+		DE_CONST(cap, captmp);
+		if (bind(ctx->sock, captmp, cap_len) < 0) {
+			(*ctx->logger)(ctl_error, "%s: bind: %s", me,
+				       strerror(errno));
+			goto fatal;
+		}
+	}
+	if (evConnect(lev, ctx->sock, (const struct sockaddr *)sap, sap_len,
+		      conn_done, ctx, &ctx->coID) < 0) {
+		(*ctx->logger)(ctl_error, "%s: evConnect(fd %d): %s",
+			       me, ctx->sock, strerror(errno));
+ fatal:
+		if (ctx != NULL) {
+			if (ctx->sock >= 0)
+				close(ctx->sock);
+			memput(ctx, sizeof *ctx);
+		}
+		return (NULL);
+	}
+	new_state(ctx, connecting);
+	return (ctx);
+}
+
+/*%
+ * void
+ * ctl_endclient(ctx)
+ *	close a client and release all of its resources.
+ */
+void
+ctl_endclient(struct ctl_cctx *ctx) {
+	if (ctx->state != destroyed)
+		destroy(ctx, 0);
+	memput(ctx, sizeof *ctx);
+}
+
+/*%
+ * int
+ * ctl_command(ctx, cmd, len, donefunc, uap)
+ *	Queue a transaction, which will begin with sending cmd
+ *	and complete by calling donefunc with the answer.
+ */
+int
+ctl_command(struct ctl_cctx *ctx, const char *cmd, size_t len,
+	    ctl_clntdone donefunc, void *uap)
+{
+	struct ctl_tran *tran;
+	char *pc;
+	unsigned int n;
+
+	switch (ctx->state) {
+	case destroyed:
+		errno = ENOTCONN;
+		return (-1);
+	case connecting:
+	case connected:
+		break;
+	default:
+		abort();
+	}
+	if (len >= (size_t)MAX_LINELEN) {
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	tran = new_tran(ctx, donefunc, uap, 1);
+	if (tran == NULL)
+		return (-1);
+	if (ctl_bufget(&tran->outbuf, ctx->logger) < 0)
+		return (-1);
+	memcpy(tran->outbuf.text, cmd, len);
+	tran->outbuf.used = len;
+	for (pc = tran->outbuf.text, n = 0; n < tran->outbuf.used; pc++, n++)
+		if (!isascii((unsigned char)*pc) ||
+		    !isprint((unsigned char)*pc))
+			*pc = '\040';
+	start_write(ctx);
+	return (0);
+}
+
+/* Private. */
+
+static struct ctl_tran *
+new_tran(struct ctl_cctx *ctx, ctl_clntdone donefunc, void *uap, int w) {
+	struct ctl_tran *new = memget(sizeof *new);
+
+	if (new == NULL)
+		return (NULL);
+	new->ctx = ctx;
+	buffer_init(new->outbuf);
+	new->donefunc = donefunc;
+	new->uap = uap;
+	INIT_LINK(new, link);
+	INIT_LINK(new, wlink);
+	APPEND(ctx->tran, new, link);
+	if (w)
+		APPEND(ctx->wtran, new, wlink);
+	return (new);
+}
+
+static void
+start_write(struct ctl_cctx *ctx) {
+	static const char me[] = "isc/ctl_clnt::start_write";
+	struct ctl_tran *tran;
+	struct iovec iov[2], *iovp = iov;
+	char * tmp;
+
+	REQUIRE(ctx->state == connecting || ctx->state == connected);
+	/* If there is a write in progress, don't try to write more yet. */
+	if (ctx->wrID.opaque != NULL)
+		return;
+	/* If there are no trans, make sure timer is off, and we're done. */
+	if (EMPTY(ctx->wtran)) {
+		if (ctx->tiID.opaque != NULL)
+			stop_timer(ctx);
+		return;
+	}
+	/* Pull it off the head of the write queue. */
+	tran = HEAD(ctx->wtran);
+	UNLINK(ctx->wtran, tran, wlink);
+	/* Since there are some trans, make sure timer is successfully "on". */
+	if (ctx->tiID.opaque != NULL)
+		touch_timer(ctx);
+	else
+		start_timer(ctx);
+	if (ctx->state == destroyed)
+		return;
+	/* Marshall a newline-terminated message and clock it out. */
+	*iovp++ = evConsIovec(tran->outbuf.text, tran->outbuf.used);
+	DE_CONST("\r\n", tmp);
+	*iovp++ = evConsIovec(tmp, 2);
+	if (evWrite(ctx->ev, ctx->sock, iov, iovp - iov,
+		    write_done, tran, &ctx->wrID) < 0) {
+		(*ctx->logger)(ctl_error, "%s: evWrite: %s", me,
+			       strerror(errno));
+		error(ctx);
+		return;
+	}
+	if (evTimeRW(ctx->ev, ctx->wrID, ctx->tiID) < 0) {
+		(*ctx->logger)(ctl_error, "%s: evTimeRW: %s", me,
+			       strerror(errno));
+		error(ctx);
+		return;
+	}
+}
+
+static void
+destroy(struct ctl_cctx *ctx, int notify) {
+	struct ctl_tran *this, *next;
+
+	if (ctx->sock != -1) {
+		(void) close(ctx->sock);
+		ctx->sock = -1;
+	}
+	switch (ctx->state) {
+	case connecting:
+		REQUIRE(ctx->wrID.opaque == NULL);
+		REQUIRE(EMPTY(ctx->tran));
+		/*
+		 * This test is nec'y since destroy() can be called from
+		 * start_read() while the state is still "connecting".
+		 */
+		if (ctx->coID.opaque != NULL) {
+			(void)evCancelConn(ctx->ev, ctx->coID);
+			ctx->coID.opaque = NULL;
+		}
+		break;
+	case connected:
+		REQUIRE(ctx->coID.opaque == NULL);
+		if (ctx->wrID.opaque != NULL) {
+			(void)evCancelRW(ctx->ev, ctx->wrID);
+			ctx->wrID.opaque = NULL;
+		}
+		if (ctx->rdID.opaque != NULL)
+			stop_read(ctx);
+		break;
+	case destroyed:
+		break;
+	default:
+		abort();
+	}
+	if (allocated_p(ctx->inbuf))
+		ctl_bufput(&ctx->inbuf);
+	for (this = HEAD(ctx->tran); this != NULL; this = next) {
+		next = NEXT(this, link);
+		if (allocated_p(this->outbuf))
+			ctl_bufput(&this->outbuf);
+		if (notify && this->donefunc != NULL)
+			(*this->donefunc)(ctx, this->uap, NULL, 0);
+		memput(this, sizeof *this);
+	}
+	if (ctx->tiID.opaque != NULL)
+		stop_timer(ctx);
+	new_state(ctx, destroyed);
+}
+
+static void
+error(struct ctl_cctx *ctx) {
+	REQUIRE(ctx->state != destroyed);
+	destroy(ctx, 1);
+}
+
+static void
+new_state(struct ctl_cctx *ctx, enum state new_state) {
+	static const char me[] = "isc/ctl_clnt::new_state";
+
+	(*ctx->logger)(ctl_debug, "%s: %s -> %s", me,
+		       state_names[ctx->state], state_names[new_state]);
+	ctx->state = new_state;
+}
+
+static void
+conn_done(evContext ev, void *uap, int fd,
+	  const void *la, int lalen,
+	  const void *ra, int ralen)
+{
+	static const char me[] = "isc/ctl_clnt::conn_done";
+	struct ctl_cctx *ctx = uap;
+	struct ctl_tran *tran;
+
+	UNUSED(ev);
+	UNUSED(la);
+	UNUSED(lalen);
+	UNUSED(ra);
+	UNUSED(ralen);
+
+	ctx->coID.opaque = NULL;
+	if (fd < 0) {
+		(*ctx->logger)(ctl_error, "%s: evConnect: %s", me,
+			       strerror(errno));
+		error(ctx);
+		return;
+	}
+	new_state(ctx, connected);
+	tran = new_tran(ctx, ctx->donefunc, ctx->uap, 0);
+	if (tran == NULL) {
+		(*ctx->logger)(ctl_error, "%s: new_tran failed: %s", me,
+			       strerror(errno));
+		error(ctx);
+		return;
+	}
+	start_read(ctx);
+	if (ctx->state == destroyed) {
+		(*ctx->logger)(ctl_error, "%s: start_read failed: %s",
+			       me, strerror(errno));
+		error(ctx);
+		return;
+	}
+}
+
+static void
+write_done(evContext lev, void *uap, int fd, int bytes) {
+	struct ctl_tran *tran = (struct ctl_tran *)uap;
+	struct ctl_cctx *ctx = tran->ctx;
+
+	UNUSED(lev);
+	UNUSED(fd);
+
+	ctx->wrID.opaque = NULL;
+	if (ctx->tiID.opaque != NULL)
+		touch_timer(ctx);
+	ctl_bufput(&tran->outbuf);
+	start_write(ctx);
+	if (bytes < 0)
+		destroy(ctx, 1);
+	else
+		start_read(ctx);
+}
+
+static void
+start_read(struct ctl_cctx *ctx) {
+	static const char me[] = "isc/ctl_clnt::start_read";
+
+	REQUIRE(ctx->state == connecting || ctx->state == connected);
+	REQUIRE(ctx->rdID.opaque == NULL);
+	if (evSelectFD(ctx->ev, ctx->sock, EV_READ, readable, ctx,
+		       &ctx->rdID) < 0)
+	{
+		(*ctx->logger)(ctl_error, "%s: evSelect(fd %d): %s", me,
+			       ctx->sock, strerror(errno));
+		error(ctx);
+		return;
+	}
+}
+
+static void
+stop_read(struct ctl_cctx *ctx) {
+	REQUIRE(ctx->coID.opaque == NULL);
+	REQUIRE(ctx->rdID.opaque != NULL);
+	(void)evDeselectFD(ctx->ev, ctx->rdID);
+	ctx->rdID.opaque = NULL;
+}
+
+static void
+readable(evContext ev, void *uap, int fd, int evmask) {
+	static const char me[] = "isc/ctl_clnt::readable";
+	struct ctl_cctx *ctx = uap;
+	struct ctl_tran *tran;
+	ssize_t n;
+	char *eos;
+
+	UNUSED(ev);
+
+	REQUIRE(ctx != NULL);
+	REQUIRE(fd >= 0);
+	REQUIRE(evmask == EV_READ);
+	REQUIRE(ctx->state == connected);
+	REQUIRE(!EMPTY(ctx->tran));
+	tran = HEAD(ctx->tran);
+	if (!allocated_p(ctx->inbuf) &&
+	    ctl_bufget(&ctx->inbuf, ctx->logger) < 0) {
+		(*ctx->logger)(ctl_error, "%s: can't get an input buffer", me);
+		error(ctx);
+		return;
+	}
+	n = read(ctx->sock, ctx->inbuf.text + ctx->inbuf.used,
+		 MAX_LINELEN - ctx->inbuf.used);
+	if (n <= 0) {
+		(*ctx->logger)(ctl_warning, "%s: read: %s", me,
+			       (n == 0) ? "Unexpected EOF" : strerror(errno));
+		error(ctx);
+		return;
+	}
+	if (ctx->tiID.opaque != NULL)
+		touch_timer(ctx);
+	ctx->inbuf.used += n;
+	(*ctx->logger)(ctl_debug, "%s: read %d, used %d", me,
+		       n, ctx->inbuf.used);
+ again:
+	eos = memchr(ctx->inbuf.text, '\n', ctx->inbuf.used);
+	if (eos != NULL && eos != ctx->inbuf.text && eos[-1] == '\r') {
+		int done = 0;
+
+		eos[-1] = '\0';
+		if (!arpacode_p(ctx->inbuf.text)) {
+			/* XXX Doesn't FTP do this sometimes? Is it legal? */
+			(*ctx->logger)(ctl_error, "%s: no arpa code (%s)", me,
+				       ctx->inbuf.text);
+			error(ctx);
+			return;
+		}
+		if (arpadone_p(ctx->inbuf.text))
+			done = 1;
+		else if (arpacont_p(ctx->inbuf.text))
+			done = 0;
+		else {
+			/* XXX Doesn't FTP do this sometimes? Is it legal? */
+			(*ctx->logger)(ctl_error, "%s: no arpa flag (%s)", me,
+				       ctx->inbuf.text);
+			error(ctx);
+			return;
+		}
+		(*tran->donefunc)(ctx, tran->uap, ctx->inbuf.text,
+				  (done ? 0 : CTL_MORE));
+		ctx->inbuf.used -= ((eos - ctx->inbuf.text) + 1);
+		if (ctx->inbuf.used == 0U)
+			ctl_bufput(&ctx->inbuf);
+		else
+			memmove(ctx->inbuf.text, eos + 1, ctx->inbuf.used);
+		if (done) {
+			UNLINK(ctx->tran, tran, link);
+			memput(tran, sizeof *tran);
+			stop_read(ctx);
+			start_write(ctx);
+			return;
+		}
+		if (allocated_p(ctx->inbuf))
+			goto again;
+		return;
+	}
+	if (ctx->inbuf.used == (size_t)MAX_LINELEN) {
+		(*ctx->logger)(ctl_error, "%s: line too long (%-10s...)", me,
+			       ctx->inbuf.text);
+		error(ctx);
+	}
+}
+
+/* Timer related stuff. */
+
+static void
+start_timer(struct ctl_cctx *ctx) {
+	static const char me[] = "isc/ctl_clnt::start_timer";
+
+	REQUIRE(ctx->tiID.opaque == NULL);
+	if (evSetIdleTimer(ctx->ev, timer, ctx, ctx->timeout, &ctx->tiID) < 0){
+		(*ctx->logger)(ctl_error, "%s: evSetIdleTimer: %s", me,
+			       strerror(errno));
+		error(ctx);
+		return;
+	}
+}
+
+static void
+stop_timer(struct ctl_cctx *ctx) {
+	static const char me[] = "isc/ctl_clnt::stop_timer";
+
+	REQUIRE(ctx->tiID.opaque != NULL);
+	if (evClearIdleTimer(ctx->ev, ctx->tiID) < 0) {
+		(*ctx->logger)(ctl_error, "%s: evClearIdleTimer: %s", me,
+			       strerror(errno));
+		error(ctx);
+		return;
+	}
+	ctx->tiID.opaque = NULL;
+}
+
+static void
+touch_timer(struct ctl_cctx *ctx) {
+	REQUIRE(ctx->tiID.opaque != NULL);
+
+	evTouchIdleTimer(ctx->ev, ctx->tiID);
+}
+
+static void
+timer(evContext ev, void *uap, struct timespec due, struct timespec itv) {
+	static const char me[] = "isc/ctl_clnt::timer";
+	struct ctl_cctx *ctx = uap;
+
+	UNUSED(ev);
+	UNUSED(due);
+	UNUSED(itv);
+
+	ctx->tiID.opaque = NULL;
+	(*ctx->logger)(ctl_error, "%s: timeout after %u seconds while %s", me,
+		       ctx->timeout.tv_sec, state_names[ctx->state]);
+	error(ctx);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/ctl_p.c b/usr/src/lib/libresolv2_joy/common/isc/ctl_p.c
new file mode 100644
index 0000000000..7ab719a5e6
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/ctl_p.c
@@ -0,0 +1,188 @@
+#if !defined(lint) && !defined(SABER)
+static const char rcsid[] = "$Id: ctl_p.c,v 1.4 2005/04/27 04:56:35 sra Exp $";
+#endif /* not lint */
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1998,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* Extern. */
+
+#include "port_before.h"
+
+#include <sys/param.h>
+#include <sys/file.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include <isc/assertions.h>
+#include <isc/eventlib.h>
+#include <isc/logging.h>
+#include <isc/memcluster.h>
+#include <isc/ctl.h>
+
+#include "ctl_p.h"
+
+#include "port_after.h"
+
+/* Constants. */
+
+const char * const ctl_sevnames[] = {
+	"debug", "warning", "error"
+};
+
+/* Public. */
+
+/*%
+ * ctl_logger()
+ *	if ctl_startup()'s caller didn't specify a logger, this one
+ *	is used.  this pollutes stderr with all kinds of trash so it will
+ *	probably never be used in real applications.
+ */
+void
+ctl_logger(enum ctl_severity severity, const char *format, ...) {
+	va_list ap;
+	static const char me[] = "ctl_logger";
+
+	fprintf(stderr, "%s(%s): ", me, ctl_sevnames[severity]);
+	va_start(ap, format);
+	vfprintf(stderr, format, ap);
+	va_end(ap);
+	fputc('\n', stderr);
+}
+
+int
+ctl_bufget(struct ctl_buf *buf, ctl_logfunc logger) {
+	static const char me[] = "ctl_bufget";
+
+	REQUIRE(!allocated_p(*buf) && buf->used == 0U);
+	buf->text = memget(MAX_LINELEN);
+	if (!allocated_p(*buf)) {
+		(*logger)(ctl_error, "%s: getmem: %s", me, strerror(errno));
+		return (-1);
+	}
+	buf->used = 0;
+	return (0);
+}
+
+void
+ctl_bufput(struct ctl_buf *buf) {
+
+	REQUIRE(allocated_p(*buf));
+	memput(buf->text, MAX_LINELEN);
+	buf->text = NULL;
+	buf->used = 0;
+}
+
+const char *
+ctl_sa_ntop(const struct sockaddr *sa,
+	    char *buf, size_t size,
+	    ctl_logfunc logger)
+{
+	static const char me[] = "ctl_sa_ntop";
+	static const char punt[] = "[0].-1";
+	char tmp[INET6_ADDRSTRLEN];
+
+	switch (sa->sa_family) {
+	case AF_INET6: {
+		const struct sockaddr_in6 *in6 =
+					(const struct sockaddr_in6 *) sa;
+
+		if (inet_ntop(in6->sin6_family, &in6->sin6_addr, tmp, sizeof tmp)
+		    == NULL) {
+			(*logger)(ctl_error, "%s: inet_ntop(%u %04x): %s",
+				  me, in6->sin6_family,
+				  in6->sin6_port, strerror(errno));
+			return (punt);
+		}
+		if (strlen(tmp) + sizeof "[].65535" > size) {
+			(*logger)(ctl_error, "%s: buffer overflow", me);
+			return (punt);
+		}
+		(void) sprintf(buf, "[%s].%u", tmp, ntohs(in6->sin6_port));
+		return (buf);
+	    }
+	case AF_INET: {
+		const struct sockaddr_in *in =
+					      (const struct sockaddr_in *) sa;
+
+		if (inet_ntop(in->sin_family, &in->sin_addr, tmp, sizeof tmp)
+		    == NULL) {
+			(*logger)(ctl_error, "%s: inet_ntop(%u %04x %08x): %s",
+				  me, in->sin_family,
+				  in->sin_port, in->sin_addr.s_addr,
+				  strerror(errno));
+			return (punt);
+		}
+		if (strlen(tmp) + sizeof "[].65535" > size) {
+			(*logger)(ctl_error, "%s: buffer overflow", me);
+			return (punt);
+		}
+		(void) sprintf(buf, "[%s].%u", tmp, ntohs(in->sin_port));
+		return (buf);
+	    }
+#ifndef NO_SOCKADDR_UN
+	case AF_UNIX: {
+		const struct sockaddr_un *un = 
+					      (const struct sockaddr_un *) sa;
+		unsigned int x = sizeof un->sun_path;
+
+		if (x > size)
+			x = size;
+		strncpy(buf, un->sun_path, x - 1);
+		buf[x - 1] = '\0';
+		return (buf);
+	    }
+#endif
+	default:
+		return (punt);
+	}
+}
+
+void
+ctl_sa_copy(const struct sockaddr *src, struct sockaddr *dst) {
+	switch (src->sa_family) {
+	case AF_INET6:
+		*((struct sockaddr_in6 *)dst) =
+					 *((const struct sockaddr_in6 *)src);
+		break;
+	case AF_INET:
+		*((struct sockaddr_in *)dst) =
+					  *((const struct sockaddr_in *)src);
+		break;
+#ifndef NO_SOCKADDR_UN
+	case AF_UNIX:
+		*((struct sockaddr_un *)dst) =
+					  *((const struct sockaddr_un *)src);
+		break;
+#endif
+	default:
+		*dst = *src;
+		break;
+	}
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/ctl_p.h b/usr/src/lib/libresolv2_joy/common/isc/ctl_p.h
new file mode 100644
index 0000000000..18a52ae39c
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/ctl_p.h
@@ -0,0 +1,28 @@
+struct ctl_buf {
+	char *			text;
+	size_t			used;
+};
+
+#define	MAX_LINELEN		990	/*%< Like SMTP. */
+#ifndef NO_SOCKADDR_UN
+#define MAX_NTOP			PATH_MAX
+#else
+#define	MAX_NTOP		(sizeof "[255.255.255.255].65535")
+#endif
+
+#define	allocated_p(Buf) ((Buf).text != NULL)
+#define	buffer_init(Buf) ((Buf).text = 0, (Buf.used) = 0)
+
+#define	ctl_bufget	__ctl_bufget
+#define	ctl_bufput	__ctl_bufput
+#define	ctl_sa_ntop	__ctl_sa_ntop
+#define	ctl_sa_copy	__ctl_sa_copy
+
+int			ctl_bufget(struct ctl_buf *, ctl_logfunc);
+void			ctl_bufput(struct ctl_buf *);
+const char *		ctl_sa_ntop(const struct sockaddr *, char *, size_t,
+				    ctl_logfunc);
+void			ctl_sa_copy(const struct sockaddr *,
+				    struct sockaddr *);
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/ctl_srvr.c b/usr/src/lib/libresolv2_joy/common/isc/ctl_srvr.c
new file mode 100644
index 0000000000..8fd7a21ffa
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/ctl_srvr.c
@@ -0,0 +1,787 @@
+/*
+ * Copyright (C) 2004-2006, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1998-2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(lint) && !defined(SABER)
+static const char rcsid[] = "$Id: ctl_srvr.c,v 1.10 2008/11/14 02:36:51 marka Exp $";
+#endif /* not lint */
+
+/* Extern. */
+
+#include "port_before.h"
+
+#include <sys/param.h>
+#include <sys/file.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <fcntl.h>
+#ifdef HAVE_MEMORY_H
+#include <memory.h>
+#endif
+
+#include <isc/assertions.h>
+#include <isc/ctl.h>
+#include <isc/eventlib.h>
+#include <isc/list.h>
+#include <isc/logging.h>
+#include <isc/memcluster.h>
+
+#include "ctl_p.h"
+
+#include "port_after.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) ((size_t)sprintf x)
+#endif
+
+/* Macros. */
+
+#define	lastverb_p(verb)	(verb->name == NULL || verb->func == NULL)
+#define	address_expr		ctl_sa_ntop((struct sockaddr *)&sess->sa, \
+					    tmp, sizeof tmp, ctx->logger)
+
+/* Types. */
+
+enum state {
+	available = 0, initializing, writing, reading, reading_data,
+	processing, idling, quitting, closing
+};
+
+union sa_un {
+	struct sockaddr_in in;
+#ifndef NO_SOCKADDR_UN
+	struct sockaddr_un un;
+#endif
+};
+
+struct ctl_sess {
+	LINK(struct ctl_sess)	link;
+	struct ctl_sctx *	ctx;
+	enum state		state;
+	int			sock;
+	union sa_un		sa;
+	evFileID		rdID;
+	evStreamID		wrID;
+	evTimerID		rdtiID;
+	evTimerID		wrtiID;
+	struct ctl_buf		inbuf;
+	struct ctl_buf		outbuf;
+	const struct ctl_verb *	verb;
+	u_int			helpcode;
+	const void *		respctx;
+	u_int			respflags;
+	ctl_srvrdone		donefunc;
+	void *			uap;
+	void *			csctx;
+};
+
+struct ctl_sctx {
+	evContext		ev;
+	void *			uctx;
+	u_int			unkncode;
+	u_int			timeoutcode;
+	const struct ctl_verb *	verbs;
+	const struct ctl_verb *	connverb;
+	int			sock;
+	int			max_sess;
+	int			cur_sess;
+	struct timespec		timeout;
+	ctl_logfunc		logger;
+	evConnID		acID;
+	LIST(struct ctl_sess)	sess;
+};
+
+/* Forward. */
+
+static void			ctl_accept(evContext, void *, int,
+					   const void *, int,
+					   const void *, int);
+static void			ctl_close(struct ctl_sess *);
+static void			ctl_new_state(struct ctl_sess *,
+					      enum state,
+					      const char *);
+static void			ctl_start_read(struct ctl_sess *);
+static void			ctl_stop_read(struct ctl_sess *);
+static void			ctl_readable(evContext, void *, int, int);
+static void			ctl_rdtimeout(evContext, void *,
+					      struct timespec,
+					      struct timespec);
+static void			ctl_wrtimeout(evContext, void *,
+					      struct timespec,
+					      struct timespec);
+static void			ctl_docommand(struct ctl_sess *);
+static void			ctl_writedone(evContext, void *, int, int);
+static void			ctl_morehelp(struct ctl_sctx *,
+					     struct ctl_sess *,
+					     const struct ctl_verb *,
+					     const char *,
+					     u_int, const void *, void *);
+static void			ctl_signal_done(struct ctl_sctx *,
+						struct ctl_sess *);
+
+/* Private data. */
+
+static const char *		state_names[] = {
+	"available", "initializing", "writing", "reading",
+	"reading_data", "processing", "idling", "quitting", "closing"
+};
+
+static const char		space[] = " ";
+
+static const struct ctl_verb	fakehelpverb = {
+	"fakehelp", ctl_morehelp , NULL
+};
+
+/* Public. */
+
+/*%
+ * void
+ * ctl_server()
+ *	create, condition, and start a listener on the control port.
+ */
+struct ctl_sctx *
+ctl_server(evContext lev, const struct sockaddr *sap, size_t sap_len,
+	   const struct ctl_verb *verbs,
+	   u_int unkncode, u_int timeoutcode,
+	   u_int timeout, int backlog, int max_sess,
+	   ctl_logfunc logger, void *uctx)
+{
+	static const char me[] = "ctl_server";
+	static const int on = 1;
+	const struct ctl_verb *connverb;
+	struct ctl_sctx *ctx;
+	int save_errno;
+
+	if (logger == NULL)
+		logger = ctl_logger;
+	for (connverb = verbs;
+	     connverb->name != NULL && connverb->func != NULL;
+	     connverb++)
+		if (connverb->name[0] == '\0')
+			break;
+	if (connverb->func == NULL) {
+		(*logger)(ctl_error, "%s: no connection verb found", me);
+		return (NULL);
+	}
+	ctx = memget(sizeof *ctx);
+	if (ctx == NULL) {
+		(*logger)(ctl_error, "%s: getmem: %s", me, strerror(errno));
+		return (NULL);
+	}
+	ctx->ev = lev;
+	ctx->uctx = uctx;
+	ctx->unkncode = unkncode;
+	ctx->timeoutcode = timeoutcode;
+	ctx->verbs = verbs;
+	ctx->timeout = evConsTime(timeout, 0);
+	ctx->logger = logger;
+	ctx->connverb = connverb;
+	ctx->max_sess = max_sess;
+	ctx->cur_sess = 0;
+	INIT_LIST(ctx->sess);
+	ctx->sock = socket(sap->sa_family, SOCK_STREAM, PF_UNSPEC);
+	if (ctx->sock > evHighestFD(ctx->ev)) {
+		ctx->sock = -1;
+		errno = ENOTSOCK;
+	}
+	if (ctx->sock < 0) {
+		save_errno = errno;
+		(*ctx->logger)(ctl_error, "%s: socket: %s",
+			       me, strerror(errno));
+		memput(ctx, sizeof *ctx);
+		errno = save_errno;
+		return (NULL);
+	}
+	if (ctx->sock > evHighestFD(lev)) {
+		close(ctx->sock);
+		(*ctx->logger)(ctl_error, "%s: file descriptor > evHighestFD");
+		errno = ENFILE;
+		memput(ctx, sizeof *ctx);
+		return (NULL);
+	}
+#ifdef NO_UNIX_REUSEADDR
+	if (sap->sa_family != AF_UNIX)
+#endif
+		if (setsockopt(ctx->sock, SOL_SOCKET, SO_REUSEADDR,
+			       (const char *)&on, sizeof on) != 0) {
+			(*ctx->logger)(ctl_warning,
+				       "%s: setsockopt(REUSEADDR): %s",
+				       me, strerror(errno));
+		}
+	if (bind(ctx->sock, sap, sap_len) < 0) {
+		char tmp[MAX_NTOP];
+		save_errno = errno;
+		(*ctx->logger)(ctl_error, "%s: bind: %s: %s",
+			       me, ctl_sa_ntop((const struct sockaddr *)sap,
+			       tmp, sizeof tmp, ctx->logger),
+			       strerror(save_errno));
+		close(ctx->sock);
+		memput(ctx, sizeof *ctx);
+		errno = save_errno;
+		return (NULL);
+	}
+	if (fcntl(ctx->sock, F_SETFD, 1) < 0) {
+		(*ctx->logger)(ctl_warning, "%s: fcntl: %s", me,
+			       strerror(errno));
+	}
+	if (evListen(lev, ctx->sock, backlog, ctl_accept, ctx,
+		     &ctx->acID) < 0) {
+		save_errno = errno;
+		(*ctx->logger)(ctl_error, "%s: evListen(fd %d): %s",
+			       me, ctx->sock, strerror(errno));
+		close(ctx->sock);
+		memput(ctx, sizeof *ctx);
+		errno = save_errno;
+		return (NULL);
+	}
+	(*ctx->logger)(ctl_debug, "%s: new ctx %p, sock %d",
+		       me, ctx, ctx->sock);
+	return (ctx);
+}
+
+/*%
+ * void
+ * ctl_endserver(ctx)
+ *	if the control listener is open, close it.  clean out all eventlib
+ *	stuff.  close all active sessions.
+ */
+void
+ctl_endserver(struct ctl_sctx *ctx) {
+	static const char me[] = "ctl_endserver";
+	struct ctl_sess *this, *next;
+
+	(*ctx->logger)(ctl_debug, "%s: ctx %p, sock %d, acID %p, sess %p",
+		       me, ctx, ctx->sock, ctx->acID.opaque, ctx->sess);
+	if (ctx->acID.opaque != NULL) {
+		(void)evCancelConn(ctx->ev, ctx->acID);
+		ctx->acID.opaque = NULL;
+	}
+	if (ctx->sock != -1) {
+		(void) close(ctx->sock);
+		ctx->sock = -1;
+	}
+	for (this = HEAD(ctx->sess); this != NULL; this = next) {
+		next = NEXT(this, link);
+		ctl_close(this);
+	}
+	memput(ctx, sizeof *ctx);
+}
+
+/*%
+ * If body is non-NULL then it we add a "." line after it.
+ * Caller must have  escaped lines with leading ".".
+ */
+void
+ctl_response(struct ctl_sess *sess, u_int code, const char *text,
+	     u_int flags, const void *respctx, ctl_srvrdone donefunc,
+	     void *uap, const char *body, size_t bodylen)
+{
+	static const char me[] = "ctl_response";
+	struct iovec iov[3], *iovp = iov;
+	struct ctl_sctx *ctx = sess->ctx;
+	char tmp[MAX_NTOP], *pc;
+	int n;
+
+	REQUIRE(sess->state == initializing ||
+		sess->state == processing ||
+		sess->state == reading_data ||
+		sess->state == writing);
+	REQUIRE(sess->wrtiID.opaque == NULL);
+	REQUIRE(sess->wrID.opaque == NULL);
+	ctl_new_state(sess, writing, me);
+	sess->donefunc = donefunc;
+	sess->uap = uap;
+	if (!allocated_p(sess->outbuf) &&
+	    ctl_bufget(&sess->outbuf, ctx->logger) < 0) {
+		(*ctx->logger)(ctl_error, "%s: %s: cant get an output buffer",
+			       me, address_expr);
+		goto untimely;
+	}
+	if (sizeof "000-\r\n" + strlen(text) > (size_t)MAX_LINELEN) {
+		(*ctx->logger)(ctl_error, "%s: %s: output buffer ovf, closing",
+			       me, address_expr);
+		goto untimely;
+	}
+	sess->outbuf.used = SPRINTF((sess->outbuf.text, "%03d%c%s\r\n",
+				     code, (flags & CTL_MORE) != 0 ? '-' : ' ',
+				     text));
+	for (pc = sess->outbuf.text, n = 0;
+	     n < (int)sess->outbuf.used-2; pc++, n++)
+		if (!isascii((unsigned char)*pc) ||
+		    !isprint((unsigned char)*pc))
+			*pc = '\040';
+	*iovp++ = evConsIovec(sess->outbuf.text, sess->outbuf.used);
+	if (body != NULL) {
+		char *tmp;
+		DE_CONST(body, tmp);
+		*iovp++ = evConsIovec(tmp, bodylen);
+		DE_CONST(".\r\n", tmp);
+		*iovp++ = evConsIovec(tmp, 3);
+	}
+	(*ctx->logger)(ctl_debug, "%s: [%d] %s", me,
+		       sess->outbuf.used, sess->outbuf.text);
+	if (evWrite(ctx->ev, sess->sock, iov, iovp - iov,
+		    ctl_writedone, sess, &sess->wrID) < 0) {
+		(*ctx->logger)(ctl_error, "%s: %s: evWrite: %s", me,
+			       address_expr, strerror(errno));
+		goto untimely;
+	}
+	if (evSetIdleTimer(ctx->ev, ctl_wrtimeout, sess, ctx->timeout,
+			   &sess->wrtiID) < 0)
+	{
+		(*ctx->logger)(ctl_error, "%s: %s: evSetIdleTimer: %s", me,
+			       address_expr, strerror(errno));
+		goto untimely;
+	}
+	if (evTimeRW(ctx->ev, sess->wrID, sess->wrtiID) < 0) {
+		(*ctx->logger)(ctl_error, "%s: %s: evTimeRW: %s", me,
+			       address_expr, strerror(errno));
+ untimely:
+		ctl_signal_done(ctx, sess);
+		ctl_close(sess);
+		return;
+	}
+	sess->respctx = respctx;
+	sess->respflags = flags;
+}
+
+void
+ctl_sendhelp(struct ctl_sess *sess, u_int code) {
+	static const char me[] = "ctl_sendhelp";
+	struct ctl_sctx *ctx = sess->ctx;
+
+	sess->helpcode = code;
+	sess->verb = &fakehelpverb;
+	ctl_morehelp(ctx, sess, NULL, me, CTL_MORE,
+		     (const void *)ctx->verbs, NULL);
+}
+
+void *
+ctl_getcsctx(struct ctl_sess *sess) {
+	return (sess->csctx);
+}
+
+void *
+ctl_setcsctx(struct ctl_sess *sess, void *csctx) {
+	void *old = sess->csctx;
+
+	sess->csctx = csctx;
+	return (old);
+}
+
+/* Private functions. */
+
+static void
+ctl_accept(evContext lev, void *uap, int fd,
+	   const void *lav, int lalen,
+	   const void *rav, int ralen)
+{
+	static const char me[] = "ctl_accept";
+	struct ctl_sctx *ctx = uap;
+	struct ctl_sess *sess = NULL;
+	char tmp[MAX_NTOP];
+
+	UNUSED(lev);
+	UNUSED(lalen);
+	UNUSED(ralen);
+
+	if (fd < 0) {
+		(*ctx->logger)(ctl_error, "%s: accept: %s",
+			       me, strerror(errno));
+		return;
+	}
+	if (ctx->cur_sess == ctx->max_sess) {
+		(*ctx->logger)(ctl_error, "%s: %s: too many control sessions",
+			       me, ctl_sa_ntop((const struct sockaddr *)rav,
+					       tmp, sizeof tmp,
+					       ctx->logger));
+		(void) close(fd);
+		return;
+	}
+	sess = memget(sizeof *sess);
+	if (sess == NULL) {
+		(*ctx->logger)(ctl_error, "%s: memget: %s", me,
+			       strerror(errno));
+		(void) close(fd);
+		return;
+	}
+	if (fcntl(fd, F_SETFD, 1) < 0) {
+		(*ctx->logger)(ctl_warning, "%s: fcntl: %s", me,
+			       strerror(errno));
+	}
+	ctx->cur_sess++;
+	INIT_LINK(sess, link);
+	APPEND(ctx->sess, sess, link);
+	sess->ctx = ctx;
+	sess->sock = fd;
+	sess->wrID.opaque = NULL;
+	sess->rdID.opaque = NULL;
+	sess->wrtiID.opaque = NULL;
+	sess->rdtiID.opaque = NULL;
+	sess->respctx = NULL;
+	sess->csctx = NULL;
+	if (((const struct sockaddr *)rav)->sa_family == AF_UNIX)
+		ctl_sa_copy((const struct sockaddr *)lav,
+			    (struct sockaddr *)&sess->sa);
+	else
+		ctl_sa_copy((const struct sockaddr *)rav,
+			    (struct sockaddr *)&sess->sa);
+	sess->donefunc = NULL;
+	buffer_init(sess->inbuf);
+	buffer_init(sess->outbuf);
+	sess->state = available;
+	ctl_new_state(sess, initializing, me);
+	sess->verb = ctx->connverb;
+	(*ctx->logger)(ctl_debug, "%s: %s: accepting (fd %d)",
+		       me, address_expr, sess->sock);
+	(*ctx->connverb->func)(ctx, sess, ctx->connverb, "", 0,
+			       (const struct sockaddr *)rav, ctx->uctx);
+}
+
+static void
+ctl_new_state(struct ctl_sess *sess, enum state new_state, const char *reason)
+{
+	static const char me[] = "ctl_new_state";
+	struct ctl_sctx *ctx = sess->ctx;
+	char tmp[MAX_NTOP];
+
+	(*ctx->logger)(ctl_debug, "%s: %s: %s -> %s (%s)",
+		       me, address_expr,
+		       state_names[sess->state],
+		       state_names[new_state], reason);
+	sess->state = new_state;
+}
+
+static void
+ctl_close(struct ctl_sess *sess) {
+	static const char me[] = "ctl_close";
+	struct ctl_sctx *ctx = sess->ctx;
+	char tmp[MAX_NTOP];
+
+	REQUIRE(sess->state == initializing ||
+		sess->state == writing ||
+		sess->state == reading ||
+		sess->state == processing ||
+		sess->state == reading_data ||
+		sess->state == idling);
+	REQUIRE(sess->sock != -1);
+	if (sess->state == reading || sess->state == reading_data)
+		ctl_stop_read(sess);
+	else if (sess->state == writing) {
+		if (sess->wrID.opaque != NULL) {
+			(void) evCancelRW(ctx->ev, sess->wrID);
+			sess->wrID.opaque = NULL;
+		}
+		if (sess->wrtiID.opaque != NULL) {
+			(void) evClearIdleTimer(ctx->ev, sess->wrtiID);
+			sess->wrtiID.opaque = NULL;
+		}
+	}
+	ctl_new_state(sess, closing, me);
+	(void) close(sess->sock);
+	if (allocated_p(sess->inbuf))
+		ctl_bufput(&sess->inbuf);
+	if (allocated_p(sess->outbuf))
+		ctl_bufput(&sess->outbuf);
+	(*ctx->logger)(ctl_debug, "%s: %s: closed (fd %d)",
+		       me, address_expr, sess->sock);
+	UNLINK(ctx->sess, sess, link);
+	memput(sess, sizeof *sess);
+	ctx->cur_sess--;
+}
+
+static void
+ctl_start_read(struct ctl_sess *sess) {
+	static const char me[] = "ctl_start_read";
+	struct ctl_sctx *ctx = sess->ctx;
+	char tmp[MAX_NTOP];
+
+	REQUIRE(sess->state == initializing ||
+		sess->state == writing ||
+		sess->state == processing ||
+		sess->state == idling);
+	REQUIRE(sess->rdtiID.opaque == NULL);
+	REQUIRE(sess->rdID.opaque == NULL);
+	sess->inbuf.used = 0;
+	if (evSetIdleTimer(ctx->ev, ctl_rdtimeout, sess, ctx->timeout,
+			   &sess->rdtiID) < 0)
+	{
+		(*ctx->logger)(ctl_error, "%s: %s: evSetIdleTimer: %s", me,
+			       address_expr, strerror(errno));
+		ctl_close(sess);
+		return;
+	}
+	if (evSelectFD(ctx->ev, sess->sock, EV_READ,
+		       ctl_readable, sess, &sess->rdID) < 0) {
+		(*ctx->logger)(ctl_error, "%s: %s: evSelectFD: %s", me,
+			       address_expr, strerror(errno));
+		return;
+	}
+	ctl_new_state(sess, reading, me);
+}
+
+static void
+ctl_stop_read(struct ctl_sess *sess) {
+	static const char me[] = "ctl_stop_read";
+	struct ctl_sctx *ctx = sess->ctx;
+
+	REQUIRE(sess->state == reading || sess->state == reading_data);
+	REQUIRE(sess->rdID.opaque != NULL);
+	(void) evDeselectFD(ctx->ev, sess->rdID);
+	sess->rdID.opaque = NULL;
+	if (sess->rdtiID.opaque != NULL) {
+		(void) evClearIdleTimer(ctx->ev, sess->rdtiID);
+		sess->rdtiID.opaque = NULL;
+	}
+	ctl_new_state(sess, idling, me);
+}
+
+static void
+ctl_readable(evContext lev, void *uap, int fd, int evmask) {
+	static const char me[] = "ctl_readable";
+	struct ctl_sess *sess = uap;
+	struct ctl_sctx *ctx;
+	char *eos, tmp[MAX_NTOP];
+	ssize_t n;
+
+	REQUIRE(sess != NULL);
+	REQUIRE(fd >= 0);
+	REQUIRE(evmask == EV_READ);
+	REQUIRE(sess->state == reading || sess->state == reading_data);
+
+	ctx = sess->ctx;
+	evTouchIdleTimer(lev, sess->rdtiID);
+	if (!allocated_p(sess->inbuf) &&
+	    ctl_bufget(&sess->inbuf, ctx->logger) < 0) {
+		(*ctx->logger)(ctl_error, "%s: %s: cant get an input buffer",
+			       me, address_expr);
+		ctl_close(sess);
+		return;
+	}
+	n = read(sess->sock, sess->inbuf.text + sess->inbuf.used,
+		 MAX_LINELEN - sess->inbuf.used);
+	if (n <= 0) {
+		(*ctx->logger)(ctl_debug, "%s: %s: read: %s",
+			       me, address_expr,
+			       (n == 0) ? "Unexpected EOF" : strerror(errno));
+		ctl_close(sess);
+		return;
+	}
+	sess->inbuf.used += n;
+	eos = memchr(sess->inbuf.text, '\n', sess->inbuf.used);
+	if (eos != NULL && eos != sess->inbuf.text && eos[-1] == '\r') {
+		eos[-1] = '\0';
+		if ((sess->respflags & CTL_DATA) != 0) {
+			INSIST(sess->verb != NULL);
+			(*sess->verb->func)(sess->ctx, sess, sess->verb,
+					    sess->inbuf.text,
+					    CTL_DATA, sess->respctx,
+					    sess->ctx->uctx);
+		} else {
+			ctl_stop_read(sess);
+			ctl_docommand(sess);
+		}
+		sess->inbuf.used -= ((eos - sess->inbuf.text) + 1);
+		if (sess->inbuf.used == 0U)
+			ctl_bufput(&sess->inbuf);
+		else
+			memmove(sess->inbuf.text, eos + 1, sess->inbuf.used);
+		return;
+	}
+	if (sess->inbuf.used == (size_t)MAX_LINELEN) {
+		(*ctx->logger)(ctl_error, "%s: %s: line too long, closing",
+			       me, address_expr);
+		ctl_close(sess);
+	}
+}
+
+static void
+ctl_wrtimeout(evContext lev, void *uap,
+	      struct timespec due,
+	      struct timespec itv)
+{
+	static const char me[] = "ctl_wrtimeout";
+	struct ctl_sess *sess = uap;
+	struct ctl_sctx *ctx = sess->ctx;
+	char tmp[MAX_NTOP];
+
+	UNUSED(lev);
+	UNUSED(due);
+	UNUSED(itv);
+
+	REQUIRE(sess->state == writing);
+	sess->wrtiID.opaque = NULL;
+	(*ctx->logger)(ctl_warning, "%s: %s: write timeout, closing",
+		       me, address_expr);
+	if (sess->wrID.opaque != NULL) {
+		(void) evCancelRW(ctx->ev, sess->wrID);
+		sess->wrID.opaque = NULL;
+	}
+	ctl_signal_done(ctx, sess);
+	ctl_new_state(sess, processing, me);
+	ctl_close(sess);
+}
+
+static void
+ctl_rdtimeout(evContext lev, void *uap,
+	      struct timespec due,
+	      struct timespec itv)
+{
+	static const char me[] = "ctl_rdtimeout";
+	struct ctl_sess *sess = uap;
+	struct ctl_sctx *ctx = sess->ctx;
+	char tmp[MAX_NTOP];
+
+	UNUSED(lev);
+	UNUSED(due);
+	UNUSED(itv);
+
+	REQUIRE(sess->state == reading);
+	sess->rdtiID.opaque = NULL;
+	(*ctx->logger)(ctl_warning, "%s: %s: timeout, closing",
+		       me, address_expr);
+	if (sess->state == reading || sess->state == reading_data)
+		ctl_stop_read(sess);
+	ctl_signal_done(ctx, sess);
+	ctl_new_state(sess, processing, me);
+	ctl_response(sess, ctx->timeoutcode, "Timeout.", CTL_EXIT, NULL,
+		     NULL, NULL, NULL, 0);
+}
+
+static void
+ctl_docommand(struct ctl_sess *sess) {
+	static const char me[] = "ctl_docommand";
+	char *name, *rest, tmp[MAX_NTOP];
+	struct ctl_sctx *ctx = sess->ctx;
+	const struct ctl_verb *verb;
+
+	REQUIRE(allocated_p(sess->inbuf));
+	(*ctx->logger)(ctl_debug, "%s: %s: \"%s\" [%u]",
+		       me, address_expr,
+		       sess->inbuf.text, (u_int)sess->inbuf.used);
+	ctl_new_state(sess, processing, me);
+	name = sess->inbuf.text + strspn(sess->inbuf.text, space);
+	rest = name + strcspn(name, space);
+	if (*rest != '\0') {
+		*rest++ = '\0';
+		rest += strspn(rest, space);
+	}
+	for (verb = ctx->verbs;
+	     verb != NULL && verb->name != NULL && verb->func != NULL;
+	     verb++)
+		if (verb->name[0] != '\0' && strcasecmp(name, verb->name) == 0)
+			break;
+	if (verb != NULL && verb->name != NULL && verb->func != NULL) {
+		sess->verb = verb;
+		(*verb->func)(ctx, sess, verb, rest, 0, NULL, ctx->uctx);
+	} else {
+		char buf[1100];
+
+		if (sizeof "Unrecognized command \"\" (args \"\")" +
+		    strlen(name) + strlen(rest) > sizeof buf)
+			strcpy(buf, "Unrecognized command (buf ovf)");
+		else
+			sprintf(buf,
+				"Unrecognized command \"%s\" (args \"%s\")",
+				name, rest);
+		ctl_response(sess, ctx->unkncode, buf, 0, NULL, NULL, NULL,
+			     NULL, 0);
+	}
+}
+
+static void
+ctl_writedone(evContext lev, void *uap, int fd, int bytes) {
+	static const char me[] = "ctl_writedone";
+	struct ctl_sess *sess = uap;
+	struct ctl_sctx *ctx = sess->ctx;
+	char tmp[MAX_NTOP];
+	int save_errno = errno;
+
+	UNUSED(lev);
+	UNUSED(uap);
+
+	REQUIRE(sess->state == writing);
+	REQUIRE(fd == sess->sock);
+	REQUIRE(sess->wrtiID.opaque != NULL);
+	sess->wrID.opaque = NULL;
+	(void) evClearIdleTimer(ctx->ev, sess->wrtiID);
+	sess->wrtiID.opaque = NULL;
+	if (bytes < 0) {
+		(*ctx->logger)(ctl_error, "%s: %s: %s",
+			       me, address_expr, strerror(save_errno));
+		ctl_close(sess);
+		return;
+	}
+
+	INSIST(allocated_p(sess->outbuf));
+	ctl_bufput(&sess->outbuf);
+	if ((sess->respflags & CTL_EXIT) != 0) {
+		ctl_signal_done(ctx, sess);
+		ctl_close(sess);
+		return;
+	} else if ((sess->respflags & CTL_MORE) != 0) {
+		INSIST(sess->verb != NULL);
+		(*sess->verb->func)(sess->ctx, sess, sess->verb, "",
+				    CTL_MORE, sess->respctx, sess->ctx->uctx);
+	} else {
+		ctl_signal_done(ctx, sess);
+		ctl_start_read(sess);
+	}
+}
+
+static void
+ctl_morehelp(struct ctl_sctx *ctx, struct ctl_sess *sess,
+	     const struct ctl_verb *verb, const char *text,
+	     u_int respflags, const void *respctx, void *uctx)
+{
+	const struct ctl_verb *this = respctx, *next = this + 1;
+
+	UNUSED(ctx);
+	UNUSED(verb);
+	UNUSED(text);
+	UNUSED(uctx);
+
+	REQUIRE(!lastverb_p(this));
+	REQUIRE((respflags & CTL_MORE) != 0);
+	if (lastverb_p(next))
+		respflags &= ~CTL_MORE;
+	ctl_response(sess, sess->helpcode, this->help, respflags, next,
+		     NULL, NULL, NULL, 0);
+}
+
+static void
+ctl_signal_done(struct ctl_sctx *ctx, struct ctl_sess *sess) {
+	if (sess->donefunc != NULL) {
+		(*sess->donefunc)(ctx, sess, sess->uap);
+		sess->donefunc = NULL;
+	}
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/ev_connects.c b/usr/src/lib/libresolv2_joy/common/isc/ev_connects.c
new file mode 100644
index 0000000000..38dfdbe512
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/ev_connects.c
@@ -0,0 +1,369 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1995-1999 by Internet Software Consortium
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* ev_connects.c - implement asynch connect/accept for the eventlib
+ * vix 16sep96 [initial]
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: ev_connects.c,v 1.8 2006/03/09 23:57:56 marka Exp $";
+#endif
+
+/* Import. */
+
+#include "port_before.h"
+#include "fd_setsize.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+
+#include <unistd.h>
+
+#include <isc/eventlib.h>
+#include <isc/assertions.h>
+#include "eventlib_p.h"
+
+#include "port_after.h"
+
+/* Macros. */
+
+#define GETXXXNAME(f, s, sa, len) ( \
+	(f((s), (&sa), (&len)) >= 0) ? 0 : \
+		(errno != EAFNOSUPPORT && errno != EOPNOTSUPP) ? -1 : ( \
+			memset(&(sa), 0, sizeof (sa)), \
+			(len) = sizeof (sa), \
+			(sa).sa_family = AF_UNIX, \
+			0 \
+		) \
+	)
+
+/* Forward. */
+
+static void	listener(evContext ctx, void *uap, int fd, int evmask);
+static void	connector(evContext ctx, void *uap, int fd, int evmask);
+
+/* Public. */
+
+int
+evListen(evContext opaqueCtx, int fd, int maxconn,
+	 evConnFunc func, void *uap, evConnID *id)
+{
+	evContext_p *ctx = opaqueCtx.opaque;
+	evConn *new;
+	int mode;
+
+	OKNEW(new);
+	new->flags = EV_CONN_LISTEN;
+	OKFREE(mode = fcntl(fd, F_GETFL, NULL), new);	/*%< side effect: validate fd. */
+	/*
+	 * Remember the nonblocking status.  We assume that either evSelectFD
+	 * has not been done to this fd, or that if it has then the caller
+	 * will evCancelConn before they evDeselectFD.  If our assumptions
+	 * are not met, then we might restore the old nonblocking status
+	 * incorrectly.
+	 */
+	if ((mode & PORT_NONBLOCK) == 0) {
+#ifdef USE_FIONBIO_IOCTL
+		int on = 1;
+		OKFREE(ioctl(fd, FIONBIO, (char *)&on), new);
+#else
+		OKFREE(fcntl(fd, F_SETFL, mode | PORT_NONBLOCK), new);
+#endif
+		new->flags |= EV_CONN_BLOCK;
+	}
+	OKFREE(listen(fd, maxconn), new);
+	if (evSelectFD(opaqueCtx, fd, EV_READ, listener, new, &new->file) < 0){
+		int save = errno;
+
+		FREE(new);
+		errno = save;
+		return (-1);
+	}
+	new->flags |= EV_CONN_SELECTED;
+	new->func = func;
+	new->uap = uap;
+	new->fd = fd;
+	if (ctx->conns != NULL)
+		ctx->conns->prev = new;
+	new->prev = NULL;
+	new->next = ctx->conns;
+	ctx->conns = new;
+	if (id)
+		id->opaque = new;
+	return (0);
+}
+
+int
+evConnect(evContext opaqueCtx, int fd, const void *ra, int ralen,
+	  evConnFunc func, void *uap, evConnID *id)
+{
+	evContext_p *ctx = opaqueCtx.opaque;
+	evConn *new;
+
+	OKNEW(new);
+	new->flags = 0;
+	/* Do the select() first to get the socket into nonblocking mode. */
+	if (evSelectFD(opaqueCtx, fd, EV_MASK_ALL,
+		       connector, new, &new->file) < 0) {
+		int save = errno;
+
+		FREE(new);
+		errno = save;
+		return (-1);
+	}
+	new->flags |= EV_CONN_SELECTED;
+	if (connect(fd, ra, ralen) < 0 &&
+	    errno != EWOULDBLOCK &&
+	    errno != EAGAIN &&
+	    errno != EINPROGRESS) {
+		int save = errno;
+
+		(void) evDeselectFD(opaqueCtx, new->file);
+		FREE(new);
+		errno = save;
+		return (-1);
+	}
+	/* No error, or EWOULDBLOCK.  select() tells when it's ready. */
+	new->func = func;
+	new->uap = uap;
+	new->fd = fd;
+	if (ctx->conns != NULL)
+		ctx->conns->prev = new;
+	new->prev = NULL;
+	new->next = ctx->conns;
+	ctx->conns = new;
+	if (id)
+		id->opaque = new;
+	return (0);
+}
+
+int
+evCancelConn(evContext opaqueCtx, evConnID id) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evConn *this = id.opaque;
+	evAccept *acc, *nxtacc;
+	int mode;
+
+	if ((this->flags & EV_CONN_SELECTED) != 0)
+		(void) evDeselectFD(opaqueCtx, this->file);
+	if ((this->flags & EV_CONN_BLOCK) != 0) {
+		mode = fcntl(this->fd, F_GETFL, NULL);
+		if (mode == -1) {
+			if (errno != EBADF)
+				return (-1);
+		} else {
+#ifdef USE_FIONBIO_IOCTL
+			int off = 0;
+			OK(ioctl(this->fd, FIONBIO, (char *)&off));
+#else
+			OK(fcntl(this->fd, F_SETFL, mode & ~PORT_NONBLOCK));
+#endif
+		}
+	}
+	
+	/* Unlink from ctx->conns. */
+	if (this->prev != NULL)
+		this->prev->next = this->next;
+	else
+		ctx->conns = this->next;
+	if (this->next != NULL)
+		this->next->prev = this->prev;
+
+	/*
+	 * Remove `this' from the ctx->accepts list (zero or more times).
+	 */
+	for (acc = HEAD(ctx->accepts), nxtacc = NULL;
+	     acc != NULL;
+	     acc = nxtacc)
+	{
+		nxtacc = NEXT(acc, link);
+		if (acc->conn == this) {
+			UNLINK(ctx->accepts, acc, link);
+			close(acc->fd);
+			FREE(acc);
+		}
+	}
+
+	/* Wrap up and get out. */
+	FREE(this);
+	return (0);
+}
+
+int evHold(evContext opaqueCtx, evConnID id) {
+	evConn *this = id.opaque;
+
+	if ((this->flags & EV_CONN_LISTEN) == 0) {
+		errno = EINVAL;
+		return (-1);
+	}
+	if ((this->flags & EV_CONN_SELECTED) == 0)
+		return (0);
+	this->flags &= ~EV_CONN_SELECTED;
+	return (evDeselectFD(opaqueCtx, this->file));
+}
+
+int evUnhold(evContext opaqueCtx, evConnID id) {
+	evConn *this = id.opaque;
+	int ret;
+
+	if ((this->flags & EV_CONN_LISTEN) == 0) {
+		errno = EINVAL;
+		return (-1);
+	}
+	if ((this->flags & EV_CONN_SELECTED) != 0)
+		return (0);
+	ret = evSelectFD(opaqueCtx, this->fd, EV_READ, listener, this,
+			 &this->file);
+	if (ret == 0)
+		this->flags |= EV_CONN_SELECTED;
+	return (ret);
+}
+
+int
+evTryAccept(evContext opaqueCtx, evConnID id, int *sys_errno) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evConn *conn = id.opaque;
+	evAccept *new;
+
+	if ((conn->flags & EV_CONN_LISTEN) == 0) {
+		errno = EINVAL;
+		return (-1);
+	}
+	OKNEW(new);
+	new->conn = conn;
+	new->ralen = sizeof new->ra;
+	new->fd = accept(conn->fd, &new->ra.sa, &new->ralen);
+	if (new->fd > ctx->highestFD) {
+		close(new->fd);
+		new->fd = -1;
+		new->ioErrno = ENOTSOCK;
+	}
+	if (new->fd >= 0) {
+		new->lalen = sizeof new->la;
+		if (GETXXXNAME(getsockname, new->fd, new->la.sa, new->lalen) < 0) {
+			new->ioErrno = errno;
+			(void) close(new->fd);
+			new->fd = -1;
+		} else
+			new->ioErrno = 0;
+	} else {
+		new->ioErrno = errno;
+		if (errno == EAGAIN || errno == EWOULDBLOCK) {
+			FREE(new);
+			return (-1);
+		}
+	}
+	INIT_LINK(new, link);
+	APPEND(ctx->accepts, new, link);
+	*sys_errno = new->ioErrno;
+	return (0);
+}
+
+/* Private. */
+
+static void
+listener(evContext opaqueCtx, void *uap, int fd, int evmask) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evConn *conn = uap;
+	union {
+		struct sockaddr    sa;
+		struct sockaddr_in in;
+#ifndef NO_SOCKADDR_UN
+		struct sockaddr_un un;
+#endif
+	} la, ra;
+	int new; 
+	ISC_SOCKLEN_T lalen = 0, ralen;
+
+	REQUIRE((evmask & EV_READ) != 0);
+	ralen = sizeof ra;
+	new = accept(fd, &ra.sa, &ralen);
+	if (new > ctx->highestFD) {
+		close(new);
+		new = -1;
+		errno = ENOTSOCK;
+	}
+	if (new >= 0) {
+		lalen = sizeof la;
+		if (GETXXXNAME(getsockname, new, la.sa, lalen) < 0) {
+			int save = errno;
+
+			(void) close(new);
+			errno = save;
+			new = -1;
+		}
+	} else if (errno == EAGAIN || errno == EWOULDBLOCK)
+		return;
+	(*conn->func)(opaqueCtx, conn->uap, new, &la.sa, lalen, &ra.sa, ralen);
+}
+
+static void
+connector(evContext opaqueCtx, void *uap, int fd, int evmask) {
+	evConn *conn = uap;
+	union {
+		struct sockaddr    sa;
+		struct sockaddr_in in;
+#ifndef NO_SOCKADDR_UN
+		struct sockaddr_un un;
+#endif
+	} la, ra;
+	ISC_SOCKLEN_T lalen, ralen;
+#ifndef NETREAD_BROKEN
+	char buf[1];
+#endif
+	void *conn_uap;
+	evConnFunc conn_func;
+	evConnID id;
+	int socket_errno = 0;
+	ISC_SOCKLEN_T optlen;
+
+	UNUSED(evmask);
+
+	lalen = sizeof la;
+	ralen = sizeof ra;
+	conn_uap = conn->uap;
+	conn_func = conn->func;
+	id.opaque = conn;
+#ifdef SO_ERROR
+	optlen = sizeof socket_errno;
+	if (fd < 0 &&
+	    getsockopt(conn->fd, SOL_SOCKET, SO_ERROR, (char *)&socket_errno,
+		       &optlen) < 0)
+		socket_errno = errno;
+	else
+		errno = socket_errno;
+#endif
+	if (evCancelConn(opaqueCtx, id) < 0 ||
+	    socket_errno ||
+#ifdef NETREAD_BROKEN
+	    0 ||
+#else
+	    read(fd, buf, 0) < 0 ||
+#endif
+	    GETXXXNAME(getsockname, fd, la.sa, lalen) < 0 ||
+	    GETXXXNAME(getpeername, fd, ra.sa, ralen) < 0) {
+		int save = errno;
+
+		(void) close(fd);	/*%< XXX closing caller's fd */
+		errno = save;
+		fd = -1;
+	}
+	(*conn_func)(opaqueCtx, conn_uap, fd, &la.sa, lalen, &ra.sa, ralen);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/ev_files.c b/usr/src/lib/libresolv2_joy/common/isc/ev_files.c
new file mode 100644
index 0000000000..b12baf1aaa
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/ev_files.c
@@ -0,0 +1,277 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1995-1999 by Internet Software Consortium
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* ev_files.c - implement asynch file IO for the eventlib
+ * vix 11sep95 [initial]
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: ev_files.c,v 1.8 2005/07/28 06:51:48 marka Exp $";
+#endif
+
+#include "port_before.h"
+#include "fd_setsize.h"
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/ioctl.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <isc/eventlib.h>
+#include "eventlib_p.h"
+
+#include "port_after.h"
+
+static evFile *FindFD(const evContext_p *ctx, int fd, int eventmask);
+
+int
+evSelectFD(evContext opaqueCtx,
+	   int fd,
+	   int eventmask,
+	   evFileFunc func,
+	   void *uap,
+	   evFileID *opaqueID
+) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evFile *id;
+	int mode;
+
+	evPrintf(ctx, 1,
+		 "evSelectFD(ctx %p, fd %d, mask 0x%x, func %p, uap %p)\n",
+		 ctx, fd, eventmask, func, uap);
+	if (eventmask == 0 || (eventmask & ~EV_MASK_ALL) != 0)
+		EV_ERR(EINVAL);
+#ifndef USE_POLL
+	if (fd > ctx->highestFD)
+		EV_ERR(EINVAL);
+#endif
+	OK(mode = fcntl(fd, F_GETFL, NULL));	/*%< side effect: validate fd. */
+	/*
+	 * The first time we touch a file descriptor, we need to check to see
+	 * if the application already had it in O_NONBLOCK mode and if so, all
+	 * of our deselect()'s have to leave it in O_NONBLOCK.  If not, then
+	 * all but our last deselect() has to leave it in O_NONBLOCK.
+	 */
+#ifdef USE_POLL
+	/* Make sure both ctx->pollfds[] and ctx->fdTable[] are large enough */
+	if (fd >= ctx->maxnfds && evPollfdRealloc(ctx, 1, fd) != 0)
+		EV_ERR(ENOMEM);
+#endif /* USE_POLL */
+	id = FindFD(ctx, fd, EV_MASK_ALL);
+	if (id == NULL) {
+		if (mode & PORT_NONBLOCK)
+			FD_SET(fd, &ctx->nonblockBefore);
+		else {
+#ifdef USE_FIONBIO_IOCTL
+			int on = 1;
+			OK(ioctl(fd, FIONBIO, (char *)&on));
+#else
+			OK(fcntl(fd, F_SETFL, mode | PORT_NONBLOCK));
+#endif
+			FD_CLR(fd, &ctx->nonblockBefore);
+		}
+	}
+
+	/*
+	 * If this descriptor is already in use, search for it again to see
+	 * if any of the eventmask bits we want to set are already captured.
+	 * We cannot usefully capture the same fd event more than once in the
+	 * same context.
+	 */
+	if (id != NULL && FindFD(ctx, fd, eventmask) != NULL)
+		EV_ERR(ETOOMANYREFS);
+
+	/* Allocate and fill. */
+	OKNEW(id);
+	id->func = func;
+	id->uap = uap;
+	id->fd = fd;
+	id->eventmask = eventmask;
+
+	/*
+	 * Insert at head.  Order could be important for performance if we
+	 * believe that evGetNext()'s accesses to the fd_sets will be more
+	 * serial and therefore more cache-lucky if the list is ordered by
+	 * ``fd.''  We do not believe these things, so we don't do it.
+	 *
+	 * The interesting sequence is where GetNext() has cached a select()
+	 * result and the caller decides to evSelectFD() on some descriptor.
+	 * Since GetNext() starts at the head, it can miss new entries we add
+	 * at the head.  This is not a serious problem since the event being
+	 * evSelectFD()'d for has to occur before evSelectFD() is called for
+	 * the file event to be considered "missed" -- a real corner case.
+	 * Maintaining a "tail" pointer for ctx->files would fix this, but I'm
+	 * not sure it would be ``more correct.''
+	 */
+	if (ctx->files != NULL)
+		ctx->files->prev = id;
+	id->prev = NULL;
+	id->next = ctx->files;
+	ctx->files = id;
+
+	/* Insert into fd table. */
+	if (ctx->fdTable[fd] != NULL)
+		ctx->fdTable[fd]->fdprev = id;
+	id->fdprev = NULL;
+	id->fdnext = ctx->fdTable[fd];
+	ctx->fdTable[fd] = id;
+
+	/* Turn on the appropriate bits in the {rd,wr,ex}Next fd_set's. */
+	if (eventmask & EV_READ)
+		FD_SET(fd, &ctx->rdNext);
+	if (eventmask & EV_WRITE)
+		FD_SET(fd, &ctx->wrNext);
+	if (eventmask & EV_EXCEPT)
+		FD_SET(fd, &ctx->exNext);
+
+	/* Update fdMax. */
+	if (fd > ctx->fdMax)
+		ctx->fdMax = fd;
+
+	/* Remember the ID if the caller provided us a place for it. */
+	if (opaqueID)
+		opaqueID->opaque = id;
+
+	return (0);
+}
+
+int
+evDeselectFD(evContext opaqueCtx, evFileID opaqueID) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evFile *del = opaqueID.opaque;
+	evFile *cur;
+	int mode, eventmask;
+
+	if (!del) {
+		evPrintf(ctx, 11, "evDeselectFD(NULL) ignored\n");
+		errno = EINVAL;
+		return (-1);
+	}
+
+	evPrintf(ctx, 1, "evDeselectFD(fd %d, mask 0x%x)\n",
+		 del->fd, del->eventmask);
+
+	/* Get the mode.  Unless the file has been closed, errors are bad. */
+	mode = fcntl(del->fd, F_GETFL, NULL);
+	if (mode == -1 && errno != EBADF)
+		EV_ERR(errno);
+
+	/* Remove from the list of files. */
+	if (del->prev != NULL)
+		del->prev->next = del->next;
+	else
+		ctx->files = del->next;
+	if (del->next != NULL)
+		del->next->prev = del->prev;
+
+	/* Remove from the fd table. */
+	if (del->fdprev != NULL)
+		del->fdprev->fdnext = del->fdnext;
+	else
+		ctx->fdTable[del->fd] = del->fdnext;
+	if (del->fdnext != NULL)
+		del->fdnext->fdprev = del->fdprev;
+
+	/*
+	 * If the file descriptor does not appear in any other select() entry,
+	 * and if !EV_WASNONBLOCK, and if we got no EBADF when we got the mode
+	 * earlier, then: restore the fd to blocking status.
+	 */
+	if (!(cur = FindFD(ctx, del->fd, EV_MASK_ALL)) &&
+	    !FD_ISSET(del->fd, &ctx->nonblockBefore) &&
+	    mode != -1) {
+		/*
+		 * Note that we won't return an error status to the caller if
+		 * this fcntl() fails since (a) we've already done the work
+		 * and (b) the caller didn't ask us anything about O_NONBLOCK.
+		 */
+#ifdef USE_FIONBIO_IOCTL
+		int off = 0;
+		(void) ioctl(del->fd, FIONBIO, (char *)&off);
+#else
+		(void) fcntl(del->fd, F_SETFL, mode & ~PORT_NONBLOCK);
+#endif
+	}
+
+	/*
+	 * Now find all other uses of this descriptor and OR together an event
+	 * mask so that we don't turn off {rd,wr,ex}Next bits that some other
+	 * file event is using.  As an optimization, stop if the event mask
+	 * fills.
+	 */
+	eventmask = 0;
+	for ((void)NULL;
+	     cur != NULL && eventmask != EV_MASK_ALL;
+	     cur = cur->next)
+		if (cur->fd == del->fd)
+			eventmask |= cur->eventmask;
+
+	/* OK, now we know which bits we can clear out. */
+	if (!(eventmask & EV_READ)) {
+		FD_CLR(del->fd, &ctx->rdNext);
+		if (FD_ISSET(del->fd, &ctx->rdLast)) {
+			FD_CLR(del->fd, &ctx->rdLast);
+			ctx->fdCount--;
+		}
+	}
+	if (!(eventmask & EV_WRITE)) {
+		FD_CLR(del->fd, &ctx->wrNext);
+		if (FD_ISSET(del->fd, &ctx->wrLast)) {
+			FD_CLR(del->fd, &ctx->wrLast);
+			ctx->fdCount--;
+		}
+	}
+	if (!(eventmask & EV_EXCEPT)) {
+		FD_CLR(del->fd, &ctx->exNext);
+		if (FD_ISSET(del->fd, &ctx->exLast)) {
+			FD_CLR(del->fd, &ctx->exLast);
+			ctx->fdCount--;
+		}
+	}
+
+	/* If this was the maxFD, find the new one. */
+	if (del->fd == ctx->fdMax) {
+		ctx->fdMax = -1;
+		for (cur = ctx->files; cur; cur = cur->next)
+			if (cur->fd > ctx->fdMax)
+				ctx->fdMax = cur->fd;
+	}
+
+	/* If this was the fdNext, cycle that to the next entry. */
+	if (del == ctx->fdNext)
+		ctx->fdNext = del->next;
+
+	/* Couldn't free it before now since we were using fields out of it. */
+	FREE(del);
+
+	return (0);
+}
+
+static evFile *
+FindFD(const evContext_p *ctx, int fd, int eventmask) {
+	evFile *id;
+
+	for (id = ctx->fdTable[fd]; id != NULL; id = id->fdnext)
+		if (id->fd == fd && (id->eventmask & eventmask) != 0)
+			break;
+	return (id);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/ev_streams.c b/usr/src/lib/libresolv2_joy/common/isc/ev_streams.c
new file mode 100644
index 0000000000..5dad36d04a
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/ev_streams.c
@@ -0,0 +1,308 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* ev_streams.c - implement asynch stream file IO for the eventlib
+ * vix 04mar96 [initial]
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: ev_streams.c,v 1.5 2005/04/27 04:56:36 sra Exp $";
+#endif
+
+#include "port_before.h"
+#include "fd_setsize.h"
+
+#include <sys/types.h>
+#include <sys/uio.h>
+
+#include <errno.h>
+
+#include <isc/eventlib.h>
+#include <isc/assertions.h>
+#include "eventlib_p.h"
+
+#include "port_after.h"
+
+static int	copyvec(evStream *str, const struct iovec *iov, int iocnt);
+static void	consume(evStream *str, size_t bytes);
+static void	done(evContext opaqueCtx, evStream *str);
+static void	writable(evContext opaqueCtx, void *uap, int fd, int evmask);
+static void	readable(evContext opaqueCtx, void *uap, int fd, int evmask);
+
+struct iovec
+evConsIovec(void *buf, size_t cnt) {
+	struct iovec ret;
+
+	memset(&ret, 0xf5, sizeof ret);
+	ret.iov_base = buf;
+	ret.iov_len = cnt;
+	return (ret);
+}
+
+int
+evWrite(evContext opaqueCtx, int fd, const struct iovec *iov, int iocnt,
+	evStreamFunc func, void *uap, evStreamID *id)
+{
+	evContext_p *ctx = opaqueCtx.opaque;
+	evStream *new;
+	int save;
+
+	OKNEW(new);
+	new->func = func;
+	new->uap = uap;
+	new->fd = fd;
+	new->flags = 0;
+	if (evSelectFD(opaqueCtx, fd, EV_WRITE, writable, new, &new->file) < 0)
+		goto free;
+	if (copyvec(new, iov, iocnt) < 0)
+		goto free;
+	new->prevDone = NULL;
+	new->nextDone = NULL;
+	if (ctx->streams != NULL)
+		ctx->streams->prev = new;
+	new->prev = NULL;
+	new->next = ctx->streams;
+	ctx->streams = new;
+	if (id != NULL)
+		id->opaque = new;
+	return (0);
+ free:
+	save = errno;
+	FREE(new);
+	errno = save;
+	return (-1);
+}
+
+int
+evRead(evContext opaqueCtx, int fd, const struct iovec *iov, int iocnt,
+       evStreamFunc func, void *uap, evStreamID *id)
+{
+	evContext_p *ctx = opaqueCtx.opaque;
+	evStream *new;
+	int save;
+
+	OKNEW(new);
+	new->func = func;
+	new->uap = uap;
+	new->fd = fd;
+	new->flags = 0;
+	if (evSelectFD(opaqueCtx, fd, EV_READ, readable, new, &new->file) < 0)
+		goto free;
+	if (copyvec(new, iov, iocnt) < 0)
+		goto free;
+	new->prevDone = NULL;
+	new->nextDone = NULL;
+	if (ctx->streams != NULL)
+		ctx->streams->prev = new;
+	new->prev = NULL;
+	new->next = ctx->streams;
+	ctx->streams = new;
+	if (id)
+		id->opaque = new;
+	return (0);
+ free:
+	save = errno;
+	FREE(new);
+	errno = save;
+	return (-1);
+}
+
+int
+evTimeRW(evContext opaqueCtx, evStreamID id, evTimerID timer) /*ARGSUSED*/ {
+	evStream *str = id.opaque;
+
+	UNUSED(opaqueCtx);
+
+	str->timer = timer;
+	str->flags |= EV_STR_TIMEROK;
+	return (0);
+}
+
+int
+evUntimeRW(evContext opaqueCtx, evStreamID id) /*ARGSUSED*/ {
+	evStream *str = id.opaque;
+
+	UNUSED(opaqueCtx);
+
+	str->flags &= ~EV_STR_TIMEROK;
+	return (0);
+}
+
+int
+evCancelRW(evContext opaqueCtx, evStreamID id) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evStream *old = id.opaque;
+
+	/*
+	 * The streams list is doubly threaded.  First, there's ctx->streams
+	 * that's used by evDestroy() to find and cancel all streams.  Second,
+	 * there's ctx->strDone (head) and ctx->strLast (tail) which thread
+	 * through the potentially smaller number of "IO completed" streams,
+	 * used in evGetNext() to avoid scanning the entire list.
+	 */
+
+	/* Unlink from ctx->streams. */
+	if (old->prev != NULL)
+		old->prev->next = old->next;
+	else
+		ctx->streams = old->next;
+	if (old->next != NULL)
+		old->next->prev = old->prev;
+
+	/*
+	 * If 'old' is on the ctx->strDone list, remove it.  Update
+	 * ctx->strLast if necessary.
+	 */
+	if (old->prevDone == NULL && old->nextDone == NULL) {
+		/*
+		 * Either 'old' is the only item on the done list, or it's
+		 * not on the done list.  If the former, then we unlink it
+		 * from the list.  If the latter, we leave the list alone.
+		 */
+		if (ctx->strDone == old) {
+			ctx->strDone = NULL;
+			ctx->strLast = NULL;
+		}
+	} else {
+		if (old->prevDone != NULL)
+			old->prevDone->nextDone = old->nextDone;
+		else
+			ctx->strDone = old->nextDone;
+		if (old->nextDone != NULL)
+			old->nextDone->prevDone = old->prevDone;
+		else
+			ctx->strLast = old->prevDone;
+	}
+
+	/* Deallocate the stream. */
+	if (old->file.opaque)
+		evDeselectFD(opaqueCtx, old->file);
+	memput(old->iovOrig, sizeof (struct iovec) * old->iovOrigCount);
+	FREE(old);
+	return (0);
+}
+
+/* Copy a scatter/gather vector and initialize a stream handler's IO. */
+static int
+copyvec(evStream *str, const struct iovec *iov, int iocnt) {
+	int i;
+
+	str->iovOrig = (struct iovec *)memget(sizeof(struct iovec) * iocnt);
+	if (str->iovOrig == NULL) {
+		errno = ENOMEM;
+		return (-1);
+	}
+	str->ioTotal = 0;
+	for (i = 0; i < iocnt; i++) {
+		str->iovOrig[i] = iov[i];
+		str->ioTotal += iov[i].iov_len;
+	}
+	str->iovOrigCount = iocnt;
+	str->iovCur = str->iovOrig;
+	str->iovCurCount = str->iovOrigCount;
+	str->ioDone = 0;
+	return (0);
+}
+
+/* Pull off or truncate lead iovec(s). */
+static void
+consume(evStream *str, size_t bytes) {
+	while (bytes > 0U) {
+		if (bytes < (size_t)str->iovCur->iov_len) {
+			str->iovCur->iov_len -= bytes;
+			str->iovCur->iov_base = (void *)
+				((u_char *)str->iovCur->iov_base + bytes);
+			str->ioDone += bytes;
+			bytes = 0;
+		} else {
+			bytes -= str->iovCur->iov_len;
+			str->ioDone += str->iovCur->iov_len;
+			str->iovCur++;
+			str->iovCurCount--;
+		}
+	}
+}
+
+/* Add a stream to Done list and deselect the FD. */
+static void
+done(evContext opaqueCtx, evStream *str) {
+	evContext_p *ctx = opaqueCtx.opaque;
+
+	if (ctx->strLast != NULL) {
+		str->prevDone = ctx->strLast;
+		ctx->strLast->nextDone = str;
+		ctx->strLast = str;
+	} else {
+		INSIST(ctx->strDone == NULL);
+		ctx->strDone = ctx->strLast = str;
+	}
+	evDeselectFD(opaqueCtx, str->file);
+	str->file.opaque = NULL;
+	/* evDrop() will call evCancelRW() on us. */
+}
+
+/* Dribble out some bytes on the stream.  (Called by evDispatch().) */
+static void
+writable(evContext opaqueCtx, void *uap, int fd, int evmask) {
+	evStream *str = uap;
+	int bytes;
+
+	UNUSED(evmask);
+
+	bytes = writev(fd, str->iovCur, str->iovCurCount);
+	if (bytes > 0) {
+		if ((str->flags & EV_STR_TIMEROK) != 0)
+			evTouchIdleTimer(opaqueCtx, str->timer);
+		consume(str, bytes);
+	} else {
+		if (bytes < 0 && errno != EINTR) {
+			str->ioDone = -1;
+			str->ioErrno = errno;
+		}
+	}
+	if (str->ioDone == -1 || str->ioDone == str->ioTotal)
+		done(opaqueCtx, str);
+}
+
+/* Scoop up some bytes from the stream.  (Called by evDispatch().) */
+static void
+readable(evContext opaqueCtx, void *uap, int fd, int evmask) {
+	evStream *str = uap;
+	int bytes;
+
+	UNUSED(evmask);
+
+	bytes = readv(fd, str->iovCur, str->iovCurCount);
+	if (bytes > 0) {
+		if ((str->flags & EV_STR_TIMEROK) != 0)
+			evTouchIdleTimer(opaqueCtx, str->timer);
+		consume(str, bytes);
+	} else {
+		if (bytes == 0)
+			str->ioDone = 0;
+		else {
+			if (errno != EINTR) {
+				str->ioDone = -1;
+				str->ioErrno = errno;
+			}
+		}
+	}
+	if (str->ioDone <= 0 || str->ioDone == str->ioTotal)
+		done(opaqueCtx, str);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/ev_timers.c b/usr/src/lib/libresolv2_joy/common/isc/ev_timers.c
new file mode 100644
index 0000000000..12ac2cebca
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/ev_timers.c
@@ -0,0 +1,499 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1995-1999 by Internet Software Consortium
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* ev_timers.c - implement timers for the eventlib
+ * vix 09sep95 [initial]
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: ev_timers.c,v 1.6 2005/04/27 04:56:36 sra Exp $";
+#endif
+
+/* Import. */
+
+#include "port_before.h"
+#include "fd_setsize.h"
+
+#include <errno.h>
+
+#include <isc/assertions.h>
+#include <isc/eventlib.h>
+#include "eventlib_p.h"
+
+#include "port_after.h"
+
+/* Constants. */
+
+#define	MILLION 1000000
+#define BILLION 1000000000
+
+/* Forward. */
+
+static int due_sooner(void *, void *);
+static void set_index(void *, int);
+static void free_timer(void *, void *);
+static void print_timer(void *, void *);
+static void idle_timeout(evContext, void *, struct timespec, struct timespec);
+
+/* Private type. */
+
+typedef struct {
+	evTimerFunc	func;
+	void *		uap;
+	struct timespec	lastTouched;
+	struct timespec	max_idle;
+	evTimer *	timer;
+} idle_timer;
+
+/* Public. */
+
+struct timespec
+evConsTime(time_t sec, long nsec) {
+	struct timespec x;
+
+	x.tv_sec = sec;
+	x.tv_nsec = nsec;
+	return (x);
+}
+
+struct timespec
+evAddTime(struct timespec addend1, struct timespec addend2) {
+	struct timespec x;
+
+	x.tv_sec = addend1.tv_sec + addend2.tv_sec;
+	x.tv_nsec = addend1.tv_nsec + addend2.tv_nsec;
+	if (x.tv_nsec >= BILLION) {
+		x.tv_sec++;
+		x.tv_nsec -= BILLION;
+	}
+	return (x);
+}
+
+struct timespec
+evSubTime(struct timespec minuend, struct timespec subtrahend) {
+	struct timespec x;
+
+	x.tv_sec = minuend.tv_sec - subtrahend.tv_sec;
+	if (minuend.tv_nsec >= subtrahend.tv_nsec)
+		x.tv_nsec = minuend.tv_nsec - subtrahend.tv_nsec;
+	else {
+		x.tv_nsec = BILLION - subtrahend.tv_nsec + minuend.tv_nsec;
+		x.tv_sec--;
+	}
+	return (x);
+}
+
+int
+evCmpTime(struct timespec a, struct timespec b) {
+	long x = a.tv_sec - b.tv_sec;
+
+	if (x == 0L)
+		x = a.tv_nsec - b.tv_nsec;
+	return (x < 0L ? (-1) : x > 0L ? (1) : (0));
+}
+
+struct timespec
+evNowTime() {
+	struct timeval now;
+#ifdef CLOCK_REALTIME
+	struct timespec tsnow;
+	int m = CLOCK_REALTIME;
+
+#ifdef CLOCK_MONOTONIC
+	if (__evOptMonoTime)
+		m = CLOCK_MONOTONIC;
+#endif
+	if (clock_gettime(m, &tsnow) == 0)
+		return (tsnow);
+#endif
+	if (gettimeofday(&now, NULL) < 0)
+		return (evConsTime(0, 0));
+	return (evTimeSpec(now));
+}
+
+struct timespec
+evUTCTime() {
+	struct timeval now;
+#ifdef CLOCK_REALTIME
+	struct timespec tsnow;
+	if (clock_gettime(CLOCK_REALTIME, &tsnow) == 0)
+		return (tsnow);
+#endif
+	if (gettimeofday(&now, NULL) < 0)
+		return (evConsTime(0, 0));
+	return (evTimeSpec(now));
+}
+
+struct timespec
+evLastEventTime(evContext opaqueCtx) {
+	evContext_p *ctx = opaqueCtx.opaque;
+
+	return (ctx->lastEventTime);
+}
+
+struct timespec
+evTimeSpec(struct timeval tv) {
+	struct timespec ts;
+
+	ts.tv_sec = tv.tv_sec;
+	ts.tv_nsec = tv.tv_usec * 1000;
+	return (ts);
+}
+
+struct timeval
+evTimeVal(struct timespec ts) {
+	struct timeval tv;
+
+	tv.tv_sec = ts.tv_sec;
+	tv.tv_usec = ts.tv_nsec / 1000;
+	return (tv);
+}
+
+int
+evSetTimer(evContext opaqueCtx,
+	   evTimerFunc func,
+	   void *uap,
+	   struct timespec due,
+	   struct timespec inter,
+	   evTimerID *opaqueID
+) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evTimer *id;
+
+	evPrintf(ctx, 1,
+"evSetTimer(ctx %p, func %p, uap %p, due %ld.%09ld, inter %ld.%09ld)\n",
+		 ctx, func, uap,
+		 (long)due.tv_sec, due.tv_nsec,
+		 (long)inter.tv_sec, inter.tv_nsec);
+
+#ifdef __hpux
+	/*
+	 * tv_sec and tv_nsec are unsigned.
+	 */
+	if (due.tv_nsec >= BILLION)
+		EV_ERR(EINVAL);
+
+	if (inter.tv_nsec >= BILLION)
+		EV_ERR(EINVAL);
+#else
+	if (due.tv_sec < 0 || due.tv_nsec < 0 || due.tv_nsec >= BILLION)
+		EV_ERR(EINVAL);
+
+	if (inter.tv_sec < 0 || inter.tv_nsec < 0 || inter.tv_nsec >= BILLION)
+		EV_ERR(EINVAL);
+#endif
+
+	/* due={0,0} is a magic cookie meaning "now." */
+	if (due.tv_sec == (time_t)0 && due.tv_nsec == 0L)
+		due = evNowTime();
+
+	/* Allocate and fill. */
+	OKNEW(id);
+	id->func = func;
+	id->uap = uap;
+	id->due = due;
+	id->inter = inter;
+
+	if (heap_insert(ctx->timers, id) < 0)
+		return (-1);
+
+	/* Remember the ID if the caller provided us a place for it. */
+	if (opaqueID)
+		opaqueID->opaque = id;
+
+	if (ctx->debug > 7) {
+		evPrintf(ctx, 7, "timers after evSetTimer:\n");
+		(void) heap_for_each(ctx->timers, print_timer, (void *)ctx);
+	}
+
+	return (0);
+}
+
+int
+evClearTimer(evContext opaqueCtx, evTimerID id) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evTimer *del = id.opaque;
+
+	if (ctx->cur != NULL &&
+	    ctx->cur->type == Timer &&
+	    ctx->cur->u.timer.this == del) {
+		evPrintf(ctx, 8, "deferring delete of timer (executing)\n");
+		/*
+		 * Setting the interval to zero ensures that evDrop() will
+		 * clean up the timer.
+		 */
+		del->inter = evConsTime(0, 0);
+		return (0);
+	}
+
+	if (heap_element(ctx->timers, del->index) != del)
+		EV_ERR(ENOENT);
+
+	if (heap_delete(ctx->timers, del->index) < 0)
+		return (-1);
+	FREE(del);
+
+	if (ctx->debug > 7) {
+		evPrintf(ctx, 7, "timers after evClearTimer:\n");
+		(void) heap_for_each(ctx->timers, print_timer, (void *)ctx);
+	}
+
+	return (0);
+}
+
+int
+evConfigTimer(evContext opaqueCtx,
+	     evTimerID id,
+	     const char *param,
+	     int value
+) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evTimer *timer = id.opaque;
+	int result=0;
+
+	UNUSED(value);
+
+	if (heap_element(ctx->timers, timer->index) != timer)
+		EV_ERR(ENOENT);
+
+	if (strcmp(param, "rate") == 0)
+		timer->mode |= EV_TMR_RATE;
+	else if (strcmp(param, "interval") == 0)
+		timer->mode &= ~EV_TMR_RATE;
+	else
+		EV_ERR(EINVAL);
+
+	return (result);
+}
+
+int
+evResetTimer(evContext opaqueCtx,
+	     evTimerID id,
+	     evTimerFunc func,
+	     void *uap,
+	     struct timespec due,
+	     struct timespec inter
+) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evTimer *timer = id.opaque;
+	struct timespec old_due;
+	int result=0;
+
+	if (heap_element(ctx->timers, timer->index) != timer)
+		EV_ERR(ENOENT);
+
+#ifdef __hpux
+	/*
+	 * tv_sec and tv_nsec are unsigned.
+	 */
+	if (due.tv_nsec >= BILLION)
+		EV_ERR(EINVAL);
+
+	if (inter.tv_nsec >= BILLION)
+		EV_ERR(EINVAL);
+#else
+	if (due.tv_sec < 0 || due.tv_nsec < 0 || due.tv_nsec >= BILLION)
+		EV_ERR(EINVAL);
+
+	if (inter.tv_sec < 0 || inter.tv_nsec < 0 || inter.tv_nsec >= BILLION)
+		EV_ERR(EINVAL);
+#endif
+
+	old_due = timer->due;
+
+	timer->func = func;
+	timer->uap = uap;
+	timer->due = due;
+	timer->inter = inter;
+
+	switch (evCmpTime(due, old_due)) {
+	case -1:
+		result = heap_increased(ctx->timers, timer->index);
+		break;
+	case 0:
+		result = 0;
+		break;
+	case 1:
+		result = heap_decreased(ctx->timers, timer->index);
+		break;
+	}
+
+	if (ctx->debug > 7) {
+		evPrintf(ctx, 7, "timers after evResetTimer:\n");
+		(void) heap_for_each(ctx->timers, print_timer, (void *)ctx);
+	}
+
+	return (result);
+}
+
+int
+evSetIdleTimer(evContext opaqueCtx,
+		evTimerFunc func,
+		void *uap,
+		struct timespec max_idle,
+		evTimerID *opaqueID
+) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	idle_timer *tt;
+
+	/* Allocate and fill. */
+	OKNEW(tt);
+	tt->func = func;
+	tt->uap = uap;
+	tt->lastTouched = ctx->lastEventTime;
+	tt->max_idle = max_idle;
+
+	if (evSetTimer(opaqueCtx, idle_timeout, tt,
+		       evAddTime(ctx->lastEventTime, max_idle),
+		       max_idle, opaqueID) < 0) {
+		FREE(tt);
+		return (-1);
+	}
+
+	tt->timer = opaqueID->opaque;
+
+	return (0);
+}
+
+int
+evClearIdleTimer(evContext opaqueCtx, evTimerID id) {
+	evTimer *del = id.opaque;
+	idle_timer *tt = del->uap;
+
+	FREE(tt);
+	return (evClearTimer(opaqueCtx, id));
+}
+
+int
+evResetIdleTimer(evContext opaqueCtx,
+		 evTimerID opaqueID,
+		 evTimerFunc func,
+		 void *uap,
+		 struct timespec max_idle
+) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evTimer *timer = opaqueID.opaque;
+	idle_timer *tt = timer->uap;
+
+	tt->func = func;
+	tt->uap = uap;
+	tt->lastTouched = ctx->lastEventTime;
+	tt->max_idle = max_idle;
+
+	return (evResetTimer(opaqueCtx, opaqueID, idle_timeout, tt,
+			     evAddTime(ctx->lastEventTime, max_idle),
+			     max_idle));
+}
+
+int
+evTouchIdleTimer(evContext opaqueCtx, evTimerID id) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evTimer *t = id.opaque;
+	idle_timer *tt = t->uap;
+
+	tt->lastTouched = ctx->lastEventTime;
+
+	return (0);
+}
+
+/* Public to the rest of eventlib. */
+
+heap_context
+evCreateTimers(const evContext_p *ctx) {
+
+	UNUSED(ctx);
+
+	return (heap_new(due_sooner, set_index, 2048));
+}
+
+void
+evDestroyTimers(const evContext_p *ctx) {
+	(void) heap_for_each(ctx->timers, free_timer, NULL);
+	(void) heap_free(ctx->timers);
+}
+
+/* Private. */
+
+static int
+due_sooner(void *a, void *b) {
+	evTimer *a_timer, *b_timer;
+
+	a_timer = a;
+	b_timer = b;
+	return (evCmpTime(a_timer->due, b_timer->due) < 0);
+}
+
+static void
+set_index(void *what, int index) {
+	evTimer *timer;
+
+	timer = what;
+	timer->index = index;
+}
+
+static void
+free_timer(void *what, void *uap) {
+	evTimer *t = what;
+
+	UNUSED(uap);
+
+	FREE(t);
+}
+
+static void
+print_timer(void *what, void *uap) {
+	evTimer *cur = what;
+	evContext_p *ctx = uap;
+
+	cur = what;
+	evPrintf(ctx, 7,
+	    "  func %p, uap %p, due %ld.%09ld, inter %ld.%09ld\n",
+		 cur->func, cur->uap,
+		 (long)cur->due.tv_sec, cur->due.tv_nsec,
+		 (long)cur->inter.tv_sec, cur->inter.tv_nsec);
+}
+
+static void
+idle_timeout(evContext opaqueCtx,
+	     void *uap,
+	     struct timespec due,
+	     struct timespec inter
+) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	idle_timer *this = uap;
+	struct timespec idle;
+
+	UNUSED(due);
+	UNUSED(inter);
+	
+	idle = evSubTime(ctx->lastEventTime, this->lastTouched);
+	if (evCmpTime(idle, this->max_idle) >= 0) {
+		(this->func)(opaqueCtx, this->uap, this->timer->due,
+			     this->max_idle);
+		/*
+		 * Setting the interval to zero will cause the timer to
+		 * be cleaned up in evDrop().
+		 */
+		this->timer->inter = evConsTime(0, 0);
+		FREE(this);
+	} else {
+		/* evDrop() will reschedule the timer. */
+		this->timer->inter = evSubTime(this->max_idle, idle);
+	}
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/ev_waits.c b/usr/src/lib/libresolv2_joy/common/isc/ev_waits.c
new file mode 100644
index 0000000000..99da1526c7
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/ev_waits.c
@@ -0,0 +1,247 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* ev_waits.c - implement deferred function calls for the eventlib
+ * vix 05dec95 [initial]
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: ev_waits.c,v 1.4 2005/04/27 04:56:36 sra Exp $";
+#endif
+
+#include "port_before.h"
+#include "fd_setsize.h"
+
+#include <errno.h>
+
+#include <isc/eventlib.h>
+#include <isc/assertions.h>
+#include "eventlib_p.h"
+
+#include "port_after.h"
+
+/* Forward. */
+
+static void		print_waits(evContext_p *ctx);
+static evWaitList *	evNewWaitList(evContext_p *);
+static void		evFreeWaitList(evContext_p *, evWaitList *);
+static evWaitList *	evGetWaitList(evContext_p *, const void *, int);
+
+
+/* Public. */
+
+/*%
+ * Enter a new wait function on the queue.
+ */
+int
+evWaitFor(evContext opaqueCtx, const void *tag,
+	  evWaitFunc func, void *uap, evWaitID *id)
+{
+	evContext_p *ctx = opaqueCtx.opaque;
+	evWait *new;
+	evWaitList *wl = evGetWaitList(ctx, tag, 1);
+
+	OKNEW(new);
+	new->func = func;
+	new->uap = uap;
+	new->tag = tag;
+	new->next = NULL;
+	if (wl->last != NULL)
+		wl->last->next = new;
+	else
+		wl->first = new;
+	wl->last = new;
+	if (id != NULL)
+		id->opaque = new;
+	if (ctx->debug >= 9)
+		print_waits(ctx);
+	return (0);
+}
+
+/*%
+ * Mark runnable all waiting functions having a certain tag.
+ */
+int
+evDo(evContext opaqueCtx, const void *tag) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evWaitList *wl = evGetWaitList(ctx, tag, 0);
+	evWait *first;
+
+	if (!wl) {
+		errno = ENOENT;
+		return (-1);
+	}
+
+	first = wl->first;
+	INSIST(first != NULL);
+
+	if (ctx->waitDone.last != NULL)
+		ctx->waitDone.last->next = first;
+	else
+		ctx->waitDone.first = first;
+	ctx->waitDone.last = wl->last;
+	evFreeWaitList(ctx, wl);
+
+	return (0);
+}
+
+/*%
+ * Remove a waiting (or ready to run) function from the queue.
+ */
+int
+evUnwait(evContext opaqueCtx, evWaitID id) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evWait *this, *prev;
+	evWaitList *wl;
+	int found = 0;
+
+	this = id.opaque;
+	INSIST(this != NULL);
+	wl = evGetWaitList(ctx, this->tag, 0);
+	if (wl != NULL) {
+		for (prev = NULL, this = wl->first;
+		     this != NULL;
+		     prev = this, this = this->next)
+			if (this == (evWait *)id.opaque) {
+				found = 1;
+				if (prev != NULL)
+					prev->next = this->next;
+				else
+					wl->first = this->next;
+				if (wl->last == this)
+					wl->last = prev;
+				if (wl->first == NULL)
+					evFreeWaitList(ctx, wl);
+				break;
+			}
+	}
+
+	if (!found) {
+		/* Maybe it's done */
+		for (prev = NULL, this = ctx->waitDone.first;
+		     this != NULL;
+		     prev = this, this = this->next)
+			if (this == (evWait *)id.opaque) {
+				found = 1;
+				if (prev != NULL)
+					prev->next = this->next;
+				else
+					ctx->waitDone.first = this->next;
+				if (ctx->waitDone.last == this)
+					ctx->waitDone.last = prev;
+				break;
+			}
+	}
+
+	if (!found) {
+		errno = ENOENT;
+		return (-1);
+	}
+
+	FREE(this);
+
+	if (ctx->debug >= 9)
+		print_waits(ctx);
+
+	return (0);
+}
+
+int
+evDefer(evContext opaqueCtx, evWaitFunc func, void *uap) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evWait *new;
+
+	OKNEW(new);
+	new->func = func;
+	new->uap = uap;
+	new->tag = NULL;
+	new->next = NULL;
+	if (ctx->waitDone.last != NULL)
+		ctx->waitDone.last->next = new;
+	else
+		ctx->waitDone.first = new;
+	ctx->waitDone.last = new;
+	if (ctx->debug >= 9)
+		print_waits(ctx);
+	return (0);
+}
+
+/* Private. */
+
+static void
+print_waits(evContext_p *ctx) {
+	evWaitList *wl;
+	evWait *this;
+
+	evPrintf(ctx, 9, "wait waiting:\n");
+	for (wl = ctx->waitLists; wl != NULL; wl = wl->next) {
+		INSIST(wl->first != NULL);
+		evPrintf(ctx, 9, "  tag %p:", wl->first->tag);
+		for (this = wl->first; this != NULL; this = this->next)
+			evPrintf(ctx, 9, " %p", this);
+		evPrintf(ctx, 9, "\n");
+	}
+	evPrintf(ctx, 9, "wait done:");
+	for (this = ctx->waitDone.first; this != NULL; this = this->next)
+		evPrintf(ctx, 9, " %p", this);
+	evPrintf(ctx, 9, "\n");
+}
+
+static evWaitList *
+evNewWaitList(evContext_p *ctx) {
+	evWaitList *new;
+
+	NEW(new);
+	if (new == NULL)
+		return (NULL);
+	new->first = new->last = NULL;
+	new->prev = NULL;
+	new->next = ctx->waitLists;
+	if (new->next != NULL)
+		new->next->prev = new;
+	ctx->waitLists = new;
+	return (new);
+}
+
+static void
+evFreeWaitList(evContext_p *ctx, evWaitList *this) {
+
+	INSIST(this != NULL);
+
+	if (this->prev != NULL)
+		this->prev->next = this->next;
+	else
+		ctx->waitLists = this->next;
+	if (this->next != NULL)
+		this->next->prev = this->prev;
+	FREE(this);
+}
+
+static evWaitList *
+evGetWaitList(evContext_p *ctx, const void *tag, int should_create) {
+	evWaitList *this;
+
+	for (this = ctx->waitLists; this != NULL; this = this->next) {
+		if (this->first != NULL && this->first->tag == tag)
+			break;
+	}
+	if (this == NULL && should_create)
+		this = evNewWaitList(ctx);
+	return (this);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/eventlib.c b/usr/src/lib/libresolv2_joy/common/isc/eventlib.c
new file mode 100644
index 0000000000..be4a7848b9
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/eventlib.c
@@ -0,0 +1,933 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1995-1999 by Internet Software Consortium
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* eventlib.c - implement glue for the eventlib
+ * vix 09sep95 [initial]
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: eventlib.c,v 1.10 2006/03/09 23:57:56 marka Exp $";
+#endif
+
+#include "port_before.h"
+#include "fd_setsize.h"
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+#ifdef	SOLARIS2
+#include <limits.h>
+#endif	/* SOLARIS2 */
+
+#include <errno.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <isc/eventlib.h>
+#include <isc/assertions.h>
+#include "eventlib_p.h"
+
+#include "port_after.h"
+
+int      __evOptMonoTime;
+
+#ifdef USE_POLL
+#define	pselect Pselect
+#endif /* USE_POLL */
+
+/* Forward. */
+
+#if defined(NEED_PSELECT) || defined(USE_POLL)
+static int		pselect(int, void *, void *, void *,
+				struct timespec *,
+				const sigset_t *);
+#endif
+
+int    __evOptMonoTime;
+
+/* Public. */
+
+int
+evCreate(evContext *opaqueCtx) {
+	evContext_p *ctx;
+
+	/* Make sure the memory heap is initialized. */
+	if (meminit(0, 0) < 0 && errno != EEXIST)
+		return (-1);
+
+	OKNEW(ctx);
+
+	/* Global. */
+	ctx->cur = NULL;
+
+	/* Debugging. */
+	ctx->debug = 0;
+	ctx->output = NULL;
+
+	/* Connections. */
+	ctx->conns = NULL;
+	INIT_LIST(ctx->accepts);
+
+	/* Files. */
+	ctx->files = NULL;
+#ifdef USE_POLL
+        ctx->pollfds = NULL;
+	ctx->maxnfds = 0;
+	ctx->firstfd = 0;
+	emulMaskInit(ctx, rdLast, EV_READ, 1);
+	emulMaskInit(ctx, rdNext, EV_READ, 0);
+	emulMaskInit(ctx, wrLast, EV_WRITE, 1);
+	emulMaskInit(ctx, wrNext, EV_WRITE, 0);
+	emulMaskInit(ctx, exLast, EV_EXCEPT, 1);
+	emulMaskInit(ctx, exNext, EV_EXCEPT, 0);
+	emulMaskInit(ctx, nonblockBefore, EV_WASNONBLOCKING, 0);
+#endif /* USE_POLL */
+	FD_ZERO(&ctx->rdNext);
+	FD_ZERO(&ctx->wrNext);
+	FD_ZERO(&ctx->exNext);
+	FD_ZERO(&ctx->nonblockBefore);
+	ctx->fdMax = -1;
+	ctx->fdNext = NULL;
+	ctx->fdCount = 0;	/*%< Invalidate {rd,wr,ex}Last. */
+#ifndef USE_POLL
+	ctx->highestFD = FD_SETSIZE - 1;
+	memset(ctx->fdTable, 0, sizeof ctx->fdTable);
+#else   
+	ctx->highestFD = INT_MAX / sizeof(struct pollfd);
+	ctx->fdTable = NULL;
+#endif /* USE_POLL */
+#ifdef EVENTLIB_TIME_CHECKS
+	ctx->lastFdCount = 0;
+#endif
+
+	/* Streams. */
+	ctx->streams = NULL;
+	ctx->strDone = NULL;
+	ctx->strLast = NULL;
+
+	/* Timers. */
+	ctx->lastEventTime = evNowTime();
+#ifdef EVENTLIB_TIME_CHECKS
+	ctx->lastSelectTime = ctx->lastEventTime;
+#endif
+	ctx->timers = evCreateTimers(ctx);
+	if (ctx->timers == NULL)
+		return (-1);
+
+	/* Waits. */
+	ctx->waitLists = NULL;
+	ctx->waitDone.first = ctx->waitDone.last = NULL;
+	ctx->waitDone.prev = ctx->waitDone.next = NULL;
+
+	opaqueCtx->opaque = ctx;
+	return (0);
+}
+
+void
+evSetDebug(evContext opaqueCtx, int level, FILE *output) {
+	evContext_p *ctx = opaqueCtx.opaque;
+
+	ctx->debug = level;
+	ctx->output = output;
+}
+
+int
+evDestroy(evContext opaqueCtx) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	int revs = 424242;	/*%< Doug Adams. */
+	evWaitList *this_wl, *next_wl;
+	evWait *this_wait, *next_wait;
+
+	/* Connections. */
+	while (revs-- > 0 && ctx->conns != NULL) {
+		evConnID id;
+
+		id.opaque = ctx->conns;
+		(void) evCancelConn(opaqueCtx, id);
+	}
+	INSIST(revs >= 0);
+
+	/* Streams. */
+	while (revs-- > 0 && ctx->streams != NULL) {
+		evStreamID id;
+
+		id.opaque = ctx->streams;
+		(void) evCancelRW(opaqueCtx, id);
+	}
+
+	/* Files. */
+	while (revs-- > 0 && ctx->files != NULL) {
+		evFileID id;
+
+		id.opaque = ctx->files;
+		(void) evDeselectFD(opaqueCtx, id);
+	}
+	INSIST(revs >= 0);
+
+	/* Timers. */
+	evDestroyTimers(ctx);
+
+	/* Waits. */
+	for (this_wl = ctx->waitLists;
+	     revs-- > 0 && this_wl != NULL;
+	     this_wl = next_wl) {
+		next_wl = this_wl->next;
+		for (this_wait = this_wl->first;
+		     revs-- > 0 && this_wait != NULL;
+		     this_wait = next_wait) {
+			next_wait = this_wait->next;
+			FREE(this_wait);
+		}
+		FREE(this_wl);
+	}
+	for (this_wait = ctx->waitDone.first;
+	     revs-- > 0 && this_wait != NULL;
+	     this_wait = next_wait) {
+		next_wait = this_wait->next;
+		FREE(this_wait);
+	}
+
+	FREE(ctx);
+	return (0);
+}
+
+int
+evGetNext(evContext opaqueCtx, evEvent *opaqueEv, int options) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	struct timespec nextTime;
+	evTimer *nextTimer;
+	evEvent_p *new;
+	int x, pselect_errno, timerPast;
+#ifdef EVENTLIB_TIME_CHECKS
+	struct timespec interval;
+#endif
+
+	/* Ensure that exactly one of EV_POLL or EV_WAIT was specified. */
+	x = ((options & EV_POLL) != 0) + ((options & EV_WAIT) != 0);
+	if (x != 1)
+		EV_ERR(EINVAL);
+
+	/* Get the time of day.  We'll do this again after select() blocks. */
+	ctx->lastEventTime = evNowTime();
+
+ again:
+	/* Finished accept()'s do not require a select(). */
+	if (!EMPTY(ctx->accepts)) {
+		OKNEW(new);
+		new->type = Accept;
+		new->u.accept.this = HEAD(ctx->accepts);
+		UNLINK(ctx->accepts, HEAD(ctx->accepts), link);
+		opaqueEv->opaque = new;
+		return (0);
+	}
+
+	/* Stream IO does not require a select(). */
+	if (ctx->strDone != NULL) {
+		OKNEW(new);
+		new->type = Stream;
+		new->u.stream.this = ctx->strDone;
+		ctx->strDone = ctx->strDone->nextDone;
+		if (ctx->strDone == NULL)
+			ctx->strLast = NULL;
+		opaqueEv->opaque = new;
+		return (0);
+	}
+
+	/* Waits do not require a select(). */
+	if (ctx->waitDone.first != NULL) {
+		OKNEW(new);
+		new->type = Wait;
+		new->u.wait.this = ctx->waitDone.first;
+		ctx->waitDone.first = ctx->waitDone.first->next;
+		if (ctx->waitDone.first == NULL)
+			ctx->waitDone.last = NULL;
+		opaqueEv->opaque = new;
+		return (0);
+	}
+
+	/* Get the status and content of the next timer. */
+	if ((nextTimer = heap_element(ctx->timers, 1)) != NULL) {
+		nextTime = nextTimer->due;
+		timerPast = (evCmpTime(nextTime, ctx->lastEventTime) <= 0);
+	} else
+		timerPast = 0;	/*%< Make gcc happy. */
+	evPrintf(ctx, 9, "evGetNext: fdCount %d\n", ctx->fdCount);
+	if (ctx->fdCount == 0) {
+		static const struct timespec NoTime = {0, 0L};
+		enum { JustPoll, Block, Timer } m;
+		struct timespec t, *tp;
+
+		/* Are there any events at all? */
+		if ((options & EV_WAIT) != 0 && !nextTimer && ctx->fdMax == -1)
+			EV_ERR(ENOENT);
+
+		/* Figure out what select()'s timeout parameter should be. */
+		if ((options & EV_POLL) != 0) {
+			m = JustPoll;
+			t = NoTime;
+			tp = &t;
+		} else if (nextTimer == NULL) {
+			m = Block;
+			/* ``t'' unused. */
+			tp = NULL;
+		} else if (timerPast) {
+			m = JustPoll;
+			t = NoTime;
+			tp = &t;
+		} else {
+			m = Timer;
+			/* ``t'' filled in later. */
+			tp = &t;
+		}
+#ifdef EVENTLIB_TIME_CHECKS
+		if (ctx->debug > 0) {
+			interval = evSubTime(ctx->lastEventTime,
+					     ctx->lastSelectTime);
+			if (interval.tv_sec > 0 || interval.tv_nsec > 0)
+				evPrintf(ctx, 1,
+				   "time between pselect() %u.%09u count %d\n",
+					 interval.tv_sec, interval.tv_nsec,
+					 ctx->lastFdCount);
+		}
+#endif
+		do {
+#ifndef USE_POLL
+			 /* XXX need to copy only the bits we are using. */
+			 ctx->rdLast = ctx->rdNext;
+			 ctx->wrLast = ctx->wrNext;
+			 ctx->exLast = ctx->exNext;
+#else
+			/*
+			 * The pollfd structure uses separate fields for
+			 * the input and output events (corresponding to
+			 * the ??Next and ??Last fd sets), so there's no
+			 * need to copy one to the other.
+			 */
+#endif /* USE_POLL */
+			if (m == Timer) {
+				INSIST(tp == &t);
+				t = evSubTime(nextTime, ctx->lastEventTime);
+			}
+
+			/* XXX should predict system's earliness and adjust. */
+			x = pselect(ctx->fdMax+1,
+				    &ctx->rdLast, &ctx->wrLast, &ctx->exLast,
+				    tp, NULL);
+			pselect_errno = errno;
+
+#ifndef USE_POLL
+			evPrintf(ctx, 4, "select() returns %d (err: %s)\n",
+				 x, (x == -1) ? strerror(errno) : "none");
+#else
+			evPrintf(ctx, 4, "poll() returns %d (err: %s)\n",
+				x, (x == -1) ? strerror(errno) : "none");
+#endif /* USE_POLL */
+			/* Anything but a poll can change the time. */
+			if (m != JustPoll)
+				ctx->lastEventTime = evNowTime();
+
+			/* Select() likes to finish about 10ms early. */
+		} while (x == 0 && m == Timer &&
+			 evCmpTime(ctx->lastEventTime, nextTime) < 0);
+#ifdef EVENTLIB_TIME_CHECKS
+		ctx->lastSelectTime = ctx->lastEventTime;
+#endif
+		if (x < 0) {
+			if (pselect_errno == EINTR) {
+				if ((options & EV_NULL) != 0)
+					goto again;
+				OKNEW(new);
+				new->type = Null;
+				/* No data. */
+				opaqueEv->opaque = new;
+				return (0);
+			}
+			if (pselect_errno == EBADF) {
+				for (x = 0; x <= ctx->fdMax; x++) {
+					struct stat sb;
+
+					if (FD_ISSET(x, &ctx->rdNext) == 0 &&
+					    FD_ISSET(x, &ctx->wrNext) == 0 &&
+					    FD_ISSET(x, &ctx->exNext) == 0)
+						continue;
+					if (fstat(x, &sb) == -1 &&
+					    errno == EBADF)
+						evPrintf(ctx, 1, "EBADF: %d\n",
+							 x);
+				}
+				abort();
+			}
+			EV_ERR(pselect_errno);
+		}
+		if (x == 0 && (nextTimer == NULL || !timerPast) &&
+		    (options & EV_POLL))
+			EV_ERR(EWOULDBLOCK);
+		ctx->fdCount = x;
+#ifdef EVENTLIB_TIME_CHECKS
+		ctx->lastFdCount = x;
+#endif
+	}
+	INSIST(nextTimer || ctx->fdCount);
+
+	/* Timers go first since we'd like them to be accurate. */
+	if (nextTimer && !timerPast) {
+		/* Has anything happened since we blocked? */
+		timerPast = (evCmpTime(nextTime, ctx->lastEventTime) <= 0);
+	}
+	if (nextTimer && timerPast) {
+		OKNEW(new);
+		new->type = Timer;
+		new->u.timer.this = nextTimer;
+		opaqueEv->opaque = new;
+		return (0);
+	}
+
+	/* No timers, so there should be a ready file descriptor. */
+	x = 0;
+	while (ctx->fdCount > 0) {
+		evFile *fid;
+		int fd, eventmask;
+
+		if (ctx->fdNext == NULL) {
+			if (++x == 2) {
+				/*
+				 * Hitting the end twice means that the last
+				 * select() found some FD's which have since
+				 * been deselected.
+				 *
+				 * On some systems, the count returned by
+				 * selects is the total number of bits in
+				 * all masks that are set, and on others it's
+				 * the number of fd's that have some bit set,
+				 * and on others, it's just broken.  We 
+				 * always assume that it's the number of
+				 * bits set in all masks, because that's what
+				 * the man page says it should do, and
+				 * the worst that can happen is we do an
+				 * extra select().
+				 */
+				ctx->fdCount = 0;
+				break;
+			}
+			ctx->fdNext = ctx->files;
+		}
+		fid = ctx->fdNext;
+		ctx->fdNext = fid->next;
+
+		fd = fid->fd;
+		eventmask = 0;
+		if (FD_ISSET(fd, &ctx->rdLast))
+			eventmask |= EV_READ;
+		if (FD_ISSET(fd, &ctx->wrLast))
+			eventmask |= EV_WRITE;
+		if (FD_ISSET(fd, &ctx->exLast))
+			eventmask |= EV_EXCEPT;
+		eventmask &= fid->eventmask;
+		if (eventmask != 0) {
+			if ((eventmask & EV_READ) != 0) {
+				FD_CLR(fd, &ctx->rdLast);
+				ctx->fdCount--;
+			}
+			if ((eventmask & EV_WRITE) != 0) {
+				FD_CLR(fd, &ctx->wrLast);
+				ctx->fdCount--;
+			}
+			if ((eventmask & EV_EXCEPT) != 0) {
+				FD_CLR(fd, &ctx->exLast);
+				ctx->fdCount--;
+			}
+			OKNEW(new);
+			new->type = File;
+			new->u.file.this = fid;
+			new->u.file.eventmask = eventmask;
+			opaqueEv->opaque = new;
+			return (0);
+		}
+	}
+	if (ctx->fdCount < 0) {
+		/*
+		 * select()'s count is off on a number of systems, and
+		 * can result in fdCount < 0.
+		 */
+		evPrintf(ctx, 4, "fdCount < 0 (%d)\n", ctx->fdCount);
+		ctx->fdCount = 0;
+	}
+
+	/* We get here if the caller deselect()'s an FD. Gag me with a goto. */
+	goto again;
+}
+
+int
+evDispatch(evContext opaqueCtx, evEvent opaqueEv) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evEvent_p *ev = opaqueEv.opaque;
+#ifdef EVENTLIB_TIME_CHECKS
+	void *func;
+	struct timespec start_time;
+	struct timespec interval;
+#endif
+
+#ifdef EVENTLIB_TIME_CHECKS
+	if (ctx->debug > 0)
+		start_time = evNowTime();
+#endif
+	ctx->cur = ev;
+	switch (ev->type) {
+	    case Accept: {
+		evAccept *this = ev->u.accept.this;
+
+		evPrintf(ctx, 5,
+			"Dispatch.Accept: fd %d -> %d, func %p, uap %p\n",
+			 this->conn->fd, this->fd,
+			 this->conn->func, this->conn->uap);
+		errno = this->ioErrno;
+		(this->conn->func)(opaqueCtx, this->conn->uap, this->fd,
+				   &this->la, this->lalen,
+				   &this->ra, this->ralen);
+#ifdef EVENTLIB_TIME_CHECKS
+		func = this->conn->func;
+#endif
+		break;
+	    }
+	    case File: {
+		evFile *this = ev->u.file.this;
+		int eventmask = ev->u.file.eventmask;
+
+		evPrintf(ctx, 5,
+			"Dispatch.File: fd %d, mask 0x%x, func %p, uap %p\n",
+			 this->fd, this->eventmask, this->func, this->uap);
+		(this->func)(opaqueCtx, this->uap, this->fd, eventmask);
+#ifdef EVENTLIB_TIME_CHECKS
+		func = this->func;
+#endif
+		break;
+	    }
+	    case Stream: {
+		evStream *this = ev->u.stream.this;
+
+		evPrintf(ctx, 5,
+			 "Dispatch.Stream: fd %d, func %p, uap %p\n",
+			 this->fd, this->func, this->uap);
+		errno = this->ioErrno;
+		(this->func)(opaqueCtx, this->uap, this->fd, this->ioDone);
+#ifdef EVENTLIB_TIME_CHECKS
+		func = this->func;
+#endif
+		break;
+	    }
+	    case Timer: {
+		evTimer *this = ev->u.timer.this;
+
+		evPrintf(ctx, 5, "Dispatch.Timer: func %p, uap %p\n",
+			 this->func, this->uap);
+		(this->func)(opaqueCtx, this->uap, this->due, this->inter);
+#ifdef EVENTLIB_TIME_CHECKS
+		func = this->func;
+#endif
+		break;
+	    }
+	    case Wait: {
+		evWait *this = ev->u.wait.this;
+
+		evPrintf(ctx, 5,
+			 "Dispatch.Wait: tag %p, func %p, uap %p\n",
+			 this->tag, this->func, this->uap);
+		(this->func)(opaqueCtx, this->uap, this->tag);
+#ifdef EVENTLIB_TIME_CHECKS
+		func = this->func;
+#endif
+		break;
+	    }
+	    case Null: {
+		/* No work. */
+#ifdef EVENTLIB_TIME_CHECKS
+		func = NULL;
+#endif
+		break;
+	    }
+	    default: {
+		abort();
+	    }
+	}
+#ifdef EVENTLIB_TIME_CHECKS
+	if (ctx->debug > 0) {
+		interval = evSubTime(evNowTime(), start_time);
+		/* 
+		 * Complain if it took longer than 50 milliseconds.
+		 *
+		 * We call getuid() to make an easy to find mark in a kernel
+		 * trace.
+		 */
+		if (interval.tv_sec > 0 || interval.tv_nsec > 50000000)
+			evPrintf(ctx, 1,
+			 "dispatch interval %u.%09u uid %d type %d func %p\n",
+				 interval.tv_sec, interval.tv_nsec,
+				 getuid(), ev->type, func);
+	}
+#endif
+	ctx->cur = NULL;
+	evDrop(opaqueCtx, opaqueEv);
+	return (0);
+}
+
+void
+evDrop(evContext opaqueCtx, evEvent opaqueEv) {
+	evContext_p *ctx = opaqueCtx.opaque;
+	evEvent_p *ev = opaqueEv.opaque;
+
+	switch (ev->type) {
+	    case Accept: {
+		FREE(ev->u.accept.this);
+		break;
+	    }
+	    case File: {
+		/* No work. */
+		break;
+	    }
+	    case Stream: {
+		evStreamID id;
+
+		id.opaque = ev->u.stream.this;
+		(void) evCancelRW(opaqueCtx, id);
+		break;
+	    }
+	    case Timer: {
+		evTimer *this = ev->u.timer.this;
+		evTimerID opaque;
+
+		/* Check to see whether the user func cleared the timer. */
+		if (heap_element(ctx->timers, this->index) != this) {
+			evPrintf(ctx, 5, "Dispatch.Timer: timer rm'd?\n");
+			break;
+		}
+		/*
+		 * Timer is still there.  Delete it if it has expired,
+		 * otherwise set it according to its next interval.
+		 */
+		if (this->inter.tv_sec == (time_t)0 &&
+		    this->inter.tv_nsec == 0L) {
+			opaque.opaque = this;			
+			(void) evClearTimer(opaqueCtx, opaque);
+		} else {
+			opaque.opaque = this;
+			(void) evResetTimer(opaqueCtx, opaque, this->func,
+					    this->uap,
+					    evAddTime((this->mode & EV_TMR_RATE) ?
+						      this->due :
+						      ctx->lastEventTime,
+						      this->inter),
+					    this->inter);
+		}
+		break;
+	    }
+	    case Wait: {
+		FREE(ev->u.wait.this);
+		break;
+	    }
+	    case Null: {
+		/* No work. */
+		break;
+	    }
+	    default: {
+		abort();
+	    }
+	}
+	FREE(ev);
+}
+
+int
+evMainLoop(evContext opaqueCtx) {
+	evEvent event;
+	int x;
+
+	while ((x = evGetNext(opaqueCtx, &event, EV_WAIT)) == 0)
+		if ((x = evDispatch(opaqueCtx, event)) < 0)
+			break;
+	return (x);
+}
+
+int
+evHighestFD(evContext opaqueCtx) {
+	evContext_p *ctx = opaqueCtx.opaque;
+
+	return (ctx->highestFD);
+}
+
+void
+evPrintf(const evContext_p *ctx, int level, const char *fmt, ...) {
+	va_list ap;
+
+	va_start(ap, fmt);
+	if (ctx->output != NULL && ctx->debug >= level) {
+		vfprintf(ctx->output, fmt, ap);
+		fflush(ctx->output);
+	}
+	va_end(ap);
+}
+
+int
+evSetOption(evContext *opaqueCtx, const char *option, int value) {
+	/* evContext_p *ctx = opaqueCtx->opaque; */
+
+	UNUSED(opaqueCtx);
+	UNUSED(value);
+#ifndef CLOCK_MONOTONIC
+	UNUSED(option);
+#endif 
+
+#ifdef CLOCK_MONOTONIC
+	if (strcmp(option, "monotime") == 0) {
+		if (opaqueCtx  != NULL)
+			errno = EINVAL;
+		if (value == 0 || value == 1) {
+			__evOptMonoTime = value;
+			return (0);
+		} else {
+			errno = EINVAL;
+			return (-1);
+		}
+	} 
+#endif
+	errno = ENOENT;
+	return (-1);
+}
+
+int
+evGetOption(evContext *opaqueCtx, const char *option, int *value) {
+	/* evContext_p *ctx = opaqueCtx->opaque; */
+
+	UNUSED(opaqueCtx);
+#ifndef CLOCK_MONOTONIC
+	UNUSED(value);
+	UNUSED(option);
+#endif 
+
+#ifdef CLOCK_MONOTONIC
+	if (strcmp(option, "monotime") == 0) {
+		if (opaqueCtx  != NULL)
+			errno = EINVAL;
+		*value = __evOptMonoTime;
+		return (0);
+	}
+#endif
+	errno = ENOENT;
+	return (-1);
+}
+
+#if defined(NEED_PSELECT) || defined(USE_POLL)
+/* XXX needs to move to the porting library. */
+static int
+pselect(int nfds, void *rfds, void *wfds, void *efds,
+	struct timespec *tsp,
+	const sigset_t *sigmask)
+{
+	struct timeval tv, *tvp;
+	sigset_t sigs;
+	int n;
+#ifdef USE_POLL
+	int	polltimeout = INFTIM;
+	evContext_p	*ctx;
+	struct pollfd	*fds;
+	nfds_t		pnfds;
+
+	UNUSED(nfds);
+#endif /* USE_POLL */
+
+	if (tsp) {
+		tvp = &tv;
+		tv = evTimeVal(*tsp);
+#ifdef USE_POLL
+		polltimeout = 1000 * tv.tv_sec + tv.tv_usec / 1000;
+#endif /* USE_POLL */
+	} else
+		tvp = NULL;
+	if (sigmask)
+		sigprocmask(SIG_SETMASK, sigmask, &sigs);
+#ifndef USE_POLL
+	 n = select(nfds, rfds, wfds, efds, tvp);
+#else
+        /*
+	 * rfds, wfds, and efds should all be from the same evContext_p,
+	 * so any of them will do. If they're all NULL, the caller is
+	 * presumably calling us to block.
+	 */
+	if (rfds != NULL)
+		ctx = ((__evEmulMask *)rfds)->ctx;
+	else if (wfds != NULL)
+		ctx = ((__evEmulMask *)wfds)->ctx;
+	else if (efds != NULL)
+		ctx = ((__evEmulMask *)efds)->ctx;
+	else
+		ctx = NULL;
+	if (ctx != NULL && ctx->fdMax != -1) {
+		fds = &(ctx->pollfds[ctx->firstfd]);
+		pnfds = ctx->fdMax - ctx->firstfd + 1;
+	} else {
+		fds = NULL;
+		pnfds = 0;
+	}
+	n = poll(fds, pnfds, polltimeout);
+	if (n > 0) {
+		int     i, e;
+
+		INSIST(ctx != NULL);
+		for (e = 0, i = ctx->firstfd; i <= ctx->fdMax; i++) {
+			if (ctx->pollfds[i].fd < 0)
+				continue;
+			if (FD_ISSET(i, &ctx->rdLast))
+				e++;
+			if (FD_ISSET(i, &ctx->wrLast))
+				e++;
+			if (FD_ISSET(i, &ctx->exLast))
+				e++;
+		}
+		n = e;
+	}
+#endif /* USE_POLL */
+	if (sigmask)
+		sigprocmask(SIG_SETMASK, &sigs, NULL);
+	if (tsp)
+		*tsp = evTimeSpec(tv);
+	return (n);
+}
+#endif
+
+#ifdef USE_POLL
+int
+evPollfdRealloc(evContext_p *ctx, int pollfd_chunk_size, int fd) {
+ 
+	int     i, maxnfds;
+	void	*pollfds, *fdTable;
+ 
+	if (fd < ctx->maxnfds)
+		return (0);
+ 
+	/* Don't allow ridiculously small values for pollfd_chunk_size */
+	if (pollfd_chunk_size < 20)
+		pollfd_chunk_size = 20;
+ 
+	maxnfds = (1 + (fd/pollfd_chunk_size)) * pollfd_chunk_size;
+ 
+	pollfds = realloc(ctx->pollfds, maxnfds * sizeof(*ctx->pollfds));
+	if (pollfds != NULL)
+		ctx->pollfds = pollfds;
+	fdTable = realloc(ctx->fdTable, maxnfds * sizeof(*ctx->fdTable));
+	if (fdTable != NULL)
+		ctx->fdTable = fdTable;
+ 
+	if (pollfds == NULL || fdTable == NULL) {
+		evPrintf(ctx, 2, "pollfd() realloc (%ld) failed\n",
+			 (long)maxnfds*sizeof(struct pollfd));
+		return (-1);
+	}
+ 
+	for (i = ctx->maxnfds; i < maxnfds; i++) {
+		ctx->pollfds[i].fd = -1;
+		ctx->pollfds[i].events = 0;
+		ctx->fdTable[i] = 0;
+	}
+
+	ctx->maxnfds = maxnfds;
+
+	return (0);
+}
+ 
+/* Find the appropriate 'events' or 'revents' field in the pollfds array */
+short *
+__fd_eventfield(int fd, __evEmulMask *maskp) {
+ 
+	evContext_p     *ctx = (evContext_p *)maskp->ctx;
+ 
+	if (!maskp->result || maskp->type == EV_WASNONBLOCKING)
+		return (&(ctx->pollfds[fd].events));
+	else
+		return (&(ctx->pollfds[fd].revents));
+}
+ 
+/* Translate to poll(2) event */
+short
+__poll_event(__evEmulMask *maskp) {
+ 
+	switch ((maskp)->type) {
+	case EV_READ:
+		return (POLLRDNORM);
+	case EV_WRITE:
+		return (POLLWRNORM);
+	case EV_EXCEPT:
+		return (POLLRDBAND | POLLPRI | POLLWRBAND);
+	case EV_WASNONBLOCKING:
+		return (POLLHUP);
+	default:
+		return (0);
+	}
+}
+ 
+/*
+ * Clear the events corresponding to the specified mask. If this leaves
+ * the events mask empty (apart from the POLLHUP bit), set the fd field
+ * to -1 so that poll(2) will ignore this fd.
+ */
+void
+__fd_clr(int fd, __evEmulMask *maskp) {
+ 
+	evContext_p     *ctx = maskp->ctx;
+ 
+	*__fd_eventfield(fd, maskp) &= ~__poll_event(maskp);
+	if ((ctx->pollfds[fd].events & ~POLLHUP) == 0) {
+		ctx->pollfds[fd].fd = -1;
+		if (fd == ctx->fdMax)
+			while (ctx->fdMax > ctx->firstfd &&
+			       ctx->pollfds[ctx->fdMax].fd < 0)
+				ctx->fdMax--;
+		if (fd == ctx->firstfd)
+			while (ctx->firstfd <= ctx->fdMax &&
+			       ctx->pollfds[ctx->firstfd].fd < 0)
+				ctx->firstfd++;
+		/*
+		 * Do we have a empty set of descriptors?
+		 */
+		if (ctx->firstfd > ctx->fdMax) {
+			ctx->fdMax = -1;
+			ctx->firstfd = 0;
+		}
+	}
+}
+ 
+/*
+ * Set the events bit(s) corresponding to the specified mask. If the events
+ * field has any other bits than POLLHUP set, also set the fd field so that
+ * poll(2) will watch this fd.
+ */
+void
+__fd_set(int fd, __evEmulMask *maskp) {
+ 
+	evContext_p     *ctx = maskp->ctx;
+
+	*__fd_eventfield(fd, maskp) |= __poll_event(maskp);
+	if ((ctx->pollfds[fd].events & ~POLLHUP) != 0) {
+		ctx->pollfds[fd].fd = fd;
+		if (fd < ctx->firstfd || ctx->fdMax == -1)
+			ctx->firstfd = fd;
+		if (fd > ctx->fdMax)
+			ctx->fdMax = fd;
+	}
+}
+#endif /* USE_POLL */
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/eventlib_p.h b/usr/src/lib/libresolv2_joy/common/isc/eventlib_p.h
new file mode 100644
index 0000000000..0a3614ab23
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/eventlib_p.h
@@ -0,0 +1,281 @@
+/*
+ * Copyright (c) 2005 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1995-1999 by Internet Software Consortium
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*! \file 
+ * \brief private interfaces for eventlib
+ * \author vix 09sep95 [initial]
+ *
+ * $Id: eventlib_p.h,v 1.9 2006/03/09 23:57:56 marka Exp $
+ */
+
+#ifndef _EVENTLIB_P_H
+#define _EVENTLIB_P_H
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <sys/un.h>
+
+#define EVENTLIB_DEBUG 1
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <isc/heap.h>
+#include <isc/list.h>
+#include <isc/memcluster.h>
+
+#define	EV_MASK_ALL	(EV_READ | EV_WRITE | EV_EXCEPT)
+#define EV_ERR(e)		return (errno = (e), -1)
+#define OK(x)		if ((x) < 0) EV_ERR(errno); else (void)NULL
+#define OKFREE(x, y)	if ((x) < 0) { FREE((y)); EV_ERR(errno); } \
+			else (void)NULL
+
+#define	NEW(p)		if (((p) = memget(sizeof *(p))) != NULL) \
+				FILL(p); \
+			else \
+				(void)NULL;
+#define OKNEW(p)	if (!((p) = memget(sizeof *(p)))) { \
+				errno = ENOMEM; \
+				return (-1); \
+			} else \
+				FILL(p)
+#define FREE(p)		memput((p), sizeof *(p))
+
+#if EVENTLIB_DEBUG
+#define FILL(p)		memset((p), 0xF5, sizeof *(p))
+#else
+#define FILL(p)
+#endif
+
+#ifdef USE_POLL
+#ifdef HAVE_STROPTS_H
+#include <stropts.h>
+#endif
+#include <poll.h>
+#endif /* USE_POLL */
+
+typedef struct evConn {
+	evConnFunc	func;
+	void *		uap;
+	int		fd;
+	int		flags;
+#define EV_CONN_LISTEN		0x0001		/*%< Connection is a listener. */
+#define EV_CONN_SELECTED	0x0002		/*%< evSelectFD(conn->file). */
+#define EV_CONN_BLOCK		0x0004		/*%< Listener fd was blocking. */
+	evFileID	file;
+	struct evConn *	prev;
+	struct evConn *	next;
+} evConn;
+
+typedef struct evAccept {
+	int		fd;
+	union {
+		struct sockaddr		sa;
+		struct sockaddr_in	in;
+#ifndef NO_SOCKADDR_UN
+		struct sockaddr_un	un;
+#endif
+	}		la;
+	ISC_SOCKLEN_T	lalen;
+	union {
+		struct sockaddr		sa;
+		struct sockaddr_in	in;
+#ifndef NO_SOCKADDR_UN
+		struct sockaddr_un	un;
+#endif
+	}		ra;
+	ISC_SOCKLEN_T	ralen;
+	int		ioErrno;
+	evConn *	conn;
+	LINK(struct evAccept) link;
+} evAccept;
+
+typedef struct evFile {
+	evFileFunc	func;
+	void *		uap;
+	int		fd;
+	int		eventmask;
+	int		preemptive;
+	struct evFile *	prev;
+	struct evFile *	next;
+	struct evFile *	fdprev;
+	struct evFile *	fdnext;
+} evFile;
+
+typedef struct evStream {
+	evStreamFunc	func;
+	void *		uap;
+	evFileID	file;
+	evTimerID	timer;
+	int		flags;
+#define EV_STR_TIMEROK	0x0001	/*%< IFF timer valid. */
+	int		fd;
+	struct iovec *	iovOrig;
+	int		iovOrigCount;
+	struct iovec *	iovCur;
+	int		iovCurCount;
+	int		ioTotal;
+	int		ioDone;
+	int		ioErrno;
+	struct evStream	*prevDone, *nextDone;
+	struct evStream	*prev, *next;
+} evStream;
+
+typedef struct evTimer {
+	evTimerFunc	func;
+	void *		uap;
+	struct timespec	due, inter;
+	int		index;
+	int		mode;
+#define EV_TMR_RATE	1
+} evTimer;
+
+typedef struct evWait {
+	evWaitFunc	func;
+	void *		uap;
+	const void *	tag;
+	struct evWait *	next;
+} evWait;
+
+typedef struct evWaitList {
+	evWait *		first;
+	evWait *		last;
+	struct evWaitList *	prev;
+	struct evWaitList *	next;
+} evWaitList;
+
+typedef struct evEvent_p {
+	enum {  Accept, File, Stream, Timer, Wait, Free, Null  } type;
+	union {
+		struct {  evAccept *this;  }			accept;
+		struct {  evFile *this; int eventmask;  }	file;
+		struct {  evStream *this;  }			stream;
+		struct {  evTimer *this;  }			timer;
+		struct {  evWait *this;  }			wait;
+		struct {  struct evEvent_p *next;  }		free;
+		struct {  const void *placeholder;  }		null;
+	} u;
+} evEvent_p;
+
+#ifdef USE_POLL
+typedef struct { 
+	void		*ctx;	/* pointer to the evContext_p   */ 
+	uint32_t	type;	/* READ, WRITE, EXCEPT, nonblk  */ 
+	uint32_t	result;	/* 1 => revents, 0 => events    */ 
+} __evEmulMask; 
+
+#define emulMaskInit(ctx, field, ev, lastnext) \
+	ctx->field.ctx = ctx; \
+	ctx->field.type = ev; \
+	ctx->field.result = lastnext; 
+  
+extern short	*__fd_eventfield(int fd, __evEmulMask *maskp); 
+extern short	__poll_event(__evEmulMask *maskp); 
+extern void		__fd_clr(int fd, __evEmulMask *maskp); 
+extern void		__fd_set(int fd, __evEmulMask *maskp); 
+
+#undef  FD_ZERO 
+#define FD_ZERO(maskp) 
+  
+#undef  FD_SET 
+#define FD_SET(fd, maskp) \
+	__fd_set(fd, maskp) 
+
+#undef  FD_CLR 
+#define FD_CLR(fd, maskp) \
+	__fd_clr(fd, maskp) 
+
+#undef  FD_ISSET 
+#define FD_ISSET(fd, maskp) \
+	((*__fd_eventfield(fd, maskp) & __poll_event(maskp)) != 0) 
+
+#endif /* USE_POLL */
+
+typedef struct {
+	/* Global. */
+	const evEvent_p	*cur;
+	/* Debugging. */
+	int		debug;
+	FILE		*output;
+	/* Connections. */
+	evConn		*conns;
+	LIST(evAccept)	accepts;
+	/* Files. */
+	evFile		*files, *fdNext;
+#ifndef USE_POLL
+	fd_set		rdLast, rdNext;
+	fd_set		wrLast, wrNext;
+	fd_set		exLast, exNext;
+	fd_set		nonblockBefore;
+	int		fdMax, fdCount, highestFD;
+	evFile		*fdTable[FD_SETSIZE];
+#else
+	struct pollfd	*pollfds;	/* Allocated as needed  */ 
+	evFile		**fdTable;	/* Ditto                */ 
+	int		maxnfds;	/* # elements in above  */ 
+	int		firstfd;	/* First active fd      */ 
+	int		fdMax;		/* Last active fd       */ 
+	int		fdCount;	/* # fd:s with I/O      */ 
+	int		highestFD;	/* max fd allowed by OS */ 
+	__evEmulMask	rdLast, rdNext; 
+	__evEmulMask	wrLast, wrNext; 
+	__evEmulMask	exLast, exNext; 
+	__evEmulMask	nonblockBefore; 
+#endif /* USE_POLL */
+#ifdef EVENTLIB_TIME_CHECKS
+	struct timespec	lastSelectTime;
+	int		lastFdCount;
+#endif
+	/* Streams. */
+	evStream	*streams;
+	evStream	*strDone, *strLast;
+	/* Timers. */
+	struct timespec	lastEventTime;
+	heap_context	timers;
+	/* Waits. */
+	evWaitList	*waitLists;
+	evWaitList	waitDone;
+} evContext_p;
+
+/* eventlib.c */
+#define evPrintf __evPrintf
+void evPrintf(const evContext_p *ctx, int level, const char *fmt, ...)
+     ISC_FORMAT_PRINTF(3, 4);
+
+#ifdef USE_POLL
+extern int evPollfdRealloc(evContext_p *ctx, int pollfd_chunk_size, int fd);
+#endif /* USE_POLL */
+
+/* ev_timers.c */
+#define evCreateTimers __evCreateTimers
+heap_context evCreateTimers(const evContext_p *);
+#define evDestroyTimers __evDestroyTimers
+void evDestroyTimers(const evContext_p *);
+
+/* ev_waits.c */
+#define evFreeWait __evFreeWait
+evWait *evFreeWait(evContext_p *ctx, evWait *old);
+
+/* Global options */
+extern int	__evOptMonoTime;
+
+#endif /*_EVENTLIB_P_H*/
diff --git a/usr/src/lib/libresolv2_joy/common/isc/heap.c b/usr/src/lib/libresolv2_joy/common/isc/heap.c
new file mode 100644
index 0000000000..3d22b6fc71
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/heap.c
@@ -0,0 +1,236 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1997,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*%
+ * Heap implementation of priority queues adapted from the following:
+ *
+ *	_Introduction to Algorithms_, Cormen, Leiserson, and Rivest,
+ *	MIT Press / McGraw Hill, 1990, ISBN 0-262-03141-8, chapter 7.
+ *
+ *	_Algorithms_, Second Edition, Sedgewick, Addison-Wesley, 1988,
+ *	ISBN 0-201-06673-4, chapter 11.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: heap.c,v 1.4 2006/03/09 23:57:56 marka Exp $";
+#endif /* not lint */
+
+#include "port_before.h"
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include "port_after.h"
+
+#include <isc/heap.h>
+
+/*%
+ * Note: to make heap_parent and heap_left easy to compute, the first
+ * element of the heap array is not used; i.e. heap subscripts are 1-based,
+ * not 0-based.
+ */
+#define heap_parent(i) ((i) >> 1)
+#define heap_left(i) ((i) << 1)
+
+#define ARRAY_SIZE_INCREMENT 512
+
+heap_context
+heap_new(heap_higher_priority_func higher_priority, heap_index_func index,
+	 int array_size_increment) {
+	heap_context ctx;
+
+	if (higher_priority == NULL)
+		return (NULL);
+
+	ctx = (heap_context)malloc(sizeof (struct heap_context));
+	if (ctx == NULL)
+		return (NULL);
+
+	ctx->array_size = 0;
+	if (array_size_increment == 0)
+		ctx->array_size_increment = ARRAY_SIZE_INCREMENT;
+	else
+		ctx->array_size_increment = array_size_increment;
+	ctx->heap_size = 0;
+	ctx->heap = NULL;
+	ctx->higher_priority = higher_priority;
+	ctx->index = index;
+	return (ctx);
+}
+
+int
+heap_free(heap_context ctx) {
+	if (ctx == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (ctx->heap != NULL)
+		free(ctx->heap);
+	free(ctx);
+
+	return (0);
+}
+
+static int
+heap_resize(heap_context ctx) {
+	void **new_heap;
+
+	ctx->array_size += ctx->array_size_increment;
+	new_heap = (void **)realloc(ctx->heap,
+				    (ctx->array_size) * (sizeof (void *)));
+	if (new_heap == NULL) {
+		errno = ENOMEM;
+		return (-1);
+	}
+	ctx->heap = new_heap;
+	return (0);
+}
+
+static void
+float_up(heap_context ctx, int i, void *elt) {
+	int p;
+
+	for ( p = heap_parent(i); 
+	      i > 1 && ctx->higher_priority(elt, ctx->heap[p]);
+	      i = p, p = heap_parent(i) ) {
+		ctx->heap[i] = ctx->heap[p];
+		if (ctx->index != NULL)
+			(ctx->index)(ctx->heap[i], i);
+	}
+	ctx->heap[i] = elt;
+	if (ctx->index != NULL)
+		(ctx->index)(ctx->heap[i], i);
+}
+
+static void
+sink_down(heap_context ctx, int i, void *elt) {
+	int j, size, half_size;
+
+	size = ctx->heap_size;
+	half_size = size / 2;
+	while (i <= half_size) {
+		/* find smallest of the (at most) two children */
+		j = heap_left(i);
+		if (j < size && ctx->higher_priority(ctx->heap[j+1],
+						     ctx->heap[j]))
+			j++;
+		if (ctx->higher_priority(elt, ctx->heap[j]))
+			break;
+		ctx->heap[i] = ctx->heap[j];
+		if (ctx->index != NULL)
+			(ctx->index)(ctx->heap[i], i);
+		i = j;
+	}
+	ctx->heap[i] = elt;
+	if (ctx->index != NULL)
+		(ctx->index)(ctx->heap[i], i);
+}
+
+int
+heap_insert(heap_context ctx, void *elt) {
+	int i;
+
+	if (ctx == NULL || elt == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	i = ++ctx->heap_size;
+	if (ctx->heap_size >= ctx->array_size && heap_resize(ctx) < 0)
+		return (-1);
+	
+	float_up(ctx, i, elt);
+
+	return (0);
+}
+
+int
+heap_delete(heap_context ctx, int i) {
+	void *elt;
+	int less;
+
+	if (ctx == NULL || i < 1 || i > ctx->heap_size) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (i == ctx->heap_size) {
+		ctx->heap_size--;
+	} else {
+		elt = ctx->heap[ctx->heap_size--];
+		less = ctx->higher_priority(elt, ctx->heap[i]);
+		ctx->heap[i] = elt;
+		if (less)
+			float_up(ctx, i, ctx->heap[i]);
+		else
+			sink_down(ctx, i, ctx->heap[i]);
+	}
+
+	return (0);
+}
+
+int
+heap_increased(heap_context ctx, int i) {
+     	if (ctx == NULL || i < 1 || i > ctx->heap_size) {
+		errno = EINVAL;
+		return (-1);
+	}
+	
+	float_up(ctx, i, ctx->heap[i]);
+
+	return (0);
+}
+
+int
+heap_decreased(heap_context ctx, int i) {
+     	if (ctx == NULL || i < 1 || i > ctx->heap_size) {
+		errno = EINVAL;
+		return (-1);
+	}
+	
+	sink_down(ctx, i, ctx->heap[i]);
+
+	return (0);
+}
+
+void *
+heap_element(heap_context ctx, int i) {
+	if (ctx == NULL || i < 1 || i > ctx->heap_size) {
+		errno = EINVAL;
+		return (NULL);
+	}
+
+	return (ctx->heap[i]);
+}
+
+int
+heap_for_each(heap_context ctx, heap_for_each_func action, void *uap) {
+	int i;
+
+	if (ctx == NULL || action == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	for (i = 1; i <= ctx->heap_size; i++)
+		(action)(ctx->heap[i], uap);
+	return (0);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/hex.c b/usr/src/lib/libresolv2_joy/common/isc/hex.c
new file mode 100644
index 0000000000..e43be4f3b5
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/hex.c
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 2001 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <port_before.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+#include <isc/misc.h>
+#include <port_after.h>
+
+static const char hex[17] = "0123456789abcdef";
+
+int
+isc_gethexstring(unsigned char *buf, size_t len, int count, FILE *fp,
+		 int *multiline)
+{
+	int c, n;
+	unsigned char x;
+	char *s;
+	int result = count;
+	
+	x = 0; /*%< silence compiler */
+	n = 0;
+	while (count > 0) {
+		c = fgetc(fp);
+
+		if ((c == EOF) ||
+		    (c == '\n' && !*multiline) ||
+		    (c == '(' && *multiline) ||
+		    (c == ')' && !*multiline))
+			goto formerr;
+		/* comment */
+		if (c == ';') {
+			do {
+				c = fgetc(fp);
+			} while (c != EOF && c != '\n');
+			if (c == '\n' && *multiline)
+				continue;
+			goto formerr;
+		}
+		/* white space */
+		if (c == ' ' || c == '\t' || c == '\n' || c == '\r')
+			continue;
+		/* multiline */
+		if ('(' == c || c == ')') {
+			*multiline = (c == '(' /*)*/);
+			continue;
+		}
+		if ((s = strchr(hex, tolower(c))) == NULL)
+			goto formerr;
+		x = (x<<4) | (s - hex);
+		if (++n == 2) {
+			if (len > 0U) {
+				*buf++ = x;
+				len--;
+			} else
+				result = -1;
+			count--;
+			n = 0;
+		}
+	}
+	return (result);
+
+ formerr:
+	if (c == '\n')
+		ungetc(c, fp);
+	return (-1);
+}
+
+void
+isc_puthexstring(FILE *fp, const unsigned char *buf, size_t buflen,
+		 size_t len1, size_t len2, const char *sep)
+{
+	size_t i = 0;
+
+	if (len1 < 4U)
+		len1 = 4;
+	if (len2 < 4U)
+		len2 = 4;
+	while (buflen > 0U) {
+		fputc(hex[(buf[0]>>4)&0xf], fp);
+		fputc(hex[buf[0]&0xf], fp);
+		i += 2;
+		buflen--;
+		buf++;
+		if (i >= len1 && sep != NULL) {
+			fputs(sep, fp);
+			i = 0;
+			len1 = len2;
+		}
+	}
+}
+
+void
+isc_tohex(const unsigned char *buf, size_t buflen, char *t) {
+	while (buflen > 0U) {
+		*t++ = hex[(buf[0]>>4)&0xf];
+		*t++ = hex[buf[0]&0xf];
+		buf++;
+		buflen--;
+	}
+	*t = '\0';
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/logging.c b/usr/src/lib/libresolv2_joy/common/isc/logging.c
new file mode 100644
index 0000000000..8c2af2b9e3
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/logging.c
@@ -0,0 +1,716 @@
+/*
+ * Copyright (C) 2004, 2005, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1996-1999, 2001, 2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: logging.c,v 1.9 2008/11/14 02:36:51 marka Exp $";
+#endif /* not lint */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+
+#include <fcntl.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <syslog.h>
+#include <errno.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <isc/assertions.h>
+#include <isc/logging.h>
+#include <isc/memcluster.h>
+#include <isc/misc.h>
+
+#include "port_after.h"
+
+#include "logging_p.h"
+
+static const int syslog_priority[] = { LOG_DEBUG, LOG_INFO, LOG_NOTICE,
+				       LOG_WARNING, LOG_ERR, LOG_CRIT };
+
+static const char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+				"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+
+static const char *level_text[] = {
+	"info: ", "notice: ", "warning: ", "error: ", "critical: "
+};
+
+static void
+version_rename(log_channel chan) {
+	unsigned int ver;
+	char old_name[PATH_MAX+1];
+	char new_name[PATH_MAX+1];
+
+	ver = chan->out.file.versions;
+	if (ver < 1)
+		return;
+	if (ver > LOG_MAX_VERSIONS)
+		ver = LOG_MAX_VERSIONS;
+	/*
+	 * Need to have room for '.nn' (XXX assumes LOG_MAX_VERSIONS < 100)
+	 */
+	if (strlen(chan->out.file.name) > (size_t)(PATH_MAX-3))
+		return;
+	for (ver--; ver > 0; ver--) {
+		sprintf(old_name, "%s.%d", chan->out.file.name, ver-1);
+		sprintf(new_name, "%s.%d", chan->out.file.name, ver);
+		(void)isc_movefile(old_name, new_name);
+	}
+	sprintf(new_name, "%s.0", chan->out.file.name);
+	(void)isc_movefile(chan->out.file.name, new_name);
+}
+
+FILE *
+log_open_stream(log_channel chan) {
+	FILE *stream;
+	int fd, flags;
+	struct stat sb;
+	int regular;
+
+	if (chan == NULL || chan->type != log_file) {
+		errno = EINVAL;
+		return (NULL);
+	}
+
+	/*
+	 * Don't open already open streams
+	 */
+	if (chan->out.file.stream != NULL)
+		return (chan->out.file.stream);
+
+	if (stat(chan->out.file.name, &sb) < 0) {
+		if (errno != ENOENT) {
+			syslog(LOG_ERR,
+			       "log_open_stream: stat of %s failed: %s",
+			       chan->out.file.name, strerror(errno));
+			chan->flags |= LOG_CHANNEL_BROKEN;
+			return (NULL);
+		}
+		regular = 1;
+	} else
+		regular = (sb.st_mode & S_IFREG);
+
+	if (chan->out.file.versions) {
+		if (!regular) {
+			syslog(LOG_ERR,
+       "log_open_stream: want versions but %s isn't a regular file",
+			       chan->out.file.name);
+			chan->flags |= LOG_CHANNEL_BROKEN;
+			errno = EINVAL;
+			return (NULL);
+		}
+	}
+
+	flags = O_WRONLY|O_CREAT|O_APPEND;
+
+	if ((chan->flags & LOG_TRUNCATE) != 0) {
+		if (regular) {
+			(void)unlink(chan->out.file.name);
+			flags |= O_EXCL;
+		} else {
+			syslog(LOG_ERR,
+       "log_open_stream: want truncation but %s isn't a regular file",
+			       chan->out.file.name);
+			chan->flags |= LOG_CHANNEL_BROKEN;
+			errno = EINVAL;
+			return (NULL);
+		}
+	}
+
+	fd = open(chan->out.file.name, flags,
+		  S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH);
+	if (fd < 0) {
+		syslog(LOG_ERR, "log_open_stream: open(%s) failed: %s",
+		       chan->out.file.name, strerror(errno));
+		chan->flags |= LOG_CHANNEL_BROKEN;
+		return (NULL);
+	}
+	stream = fdopen(fd, "a");
+	if (stream == NULL) {
+		syslog(LOG_ERR, "log_open_stream: fdopen() failed");
+		chan->flags |= LOG_CHANNEL_BROKEN;
+		return (NULL);
+	}
+	(void) fchown(fd, chan->out.file.owner, chan->out.file.group);
+
+	chan->out.file.stream = stream;
+	return (stream);
+}
+
+int
+log_close_stream(log_channel chan) {
+	FILE *stream;
+
+	if (chan == NULL || chan->type != log_file) {
+		errno = EINVAL;
+		return (0);
+	}
+	stream = chan->out.file.stream;
+	chan->out.file.stream = NULL;
+	if (stream != NULL && fclose(stream) == EOF)
+		return (-1);
+	return (0);
+}
+
+void
+log_close_debug_channels(log_context lc) {
+	log_channel_list lcl;
+	int i;
+
+	for (i = 0; i < lc->num_categories; i++)
+		for (lcl = lc->categories[i]; lcl != NULL; lcl = lcl->next)
+			if (lcl->channel->type == log_file &&
+			    lcl->channel->out.file.stream != NULL &&
+			    lcl->channel->flags & LOG_REQUIRE_DEBUG)
+				(void)log_close_stream(lcl->channel);
+}
+
+FILE *
+log_get_stream(log_channel chan) {
+	if (chan == NULL || chan->type != log_file) {
+		errno = EINVAL;
+		return (NULL);
+	}
+	return (chan->out.file.stream);
+}
+
+char *
+log_get_filename(log_channel chan) {
+	if (chan == NULL || chan->type != log_file) {
+		errno = EINVAL;
+		return (NULL);
+	}
+	return (chan->out.file.name);
+}
+
+int
+log_check_channel(log_context lc, int level, log_channel chan) {
+	int debugging, chan_level;
+
+	REQUIRE(lc != NULL);
+
+	debugging = ((lc->flags & LOG_OPTION_DEBUG) != 0);
+
+	/*
+	 * If not debugging, short circuit debugging messages very early.
+	 */
+	if (level > 0 && !debugging)
+		return (0);
+
+	if ((chan->flags & (LOG_CHANNEL_BROKEN|LOG_CHANNEL_OFF)) != 0)
+		return (0);
+
+	/* Some channels only log when debugging is on. */
+	if ((chan->flags & LOG_REQUIRE_DEBUG) && !debugging)
+		return (0);
+
+	/* Some channels use the global level. */
+	if ((chan->flags & LOG_USE_CONTEXT_LEVEL) != 0) {
+		chan_level = lc->level;
+	} else
+		chan_level = chan->level;
+
+	if (level > chan_level)
+		return (0);
+
+	return (1);
+}
+
+int
+log_check(log_context lc, int category, int level) {
+	log_channel_list lcl;
+	int debugging;
+
+	REQUIRE(lc != NULL);
+
+	debugging = ((lc->flags & LOG_OPTION_DEBUG) != 0);
+
+	/*
+	 * If not debugging, short circuit debugging messages very early.
+	 */
+	if (level > 0 && !debugging)
+		return (0);
+
+	if (category < 0 || category > lc->num_categories)
+		category = 0;		/*%< use default */
+	lcl = lc->categories[category];
+	if (lcl == NULL) {
+		category = 0;
+		lcl = lc->categories[0];
+	}
+
+	for ( /* nothing */; lcl != NULL; lcl = lcl->next) {
+		if (log_check_channel(lc, level, lcl->channel))
+			return (1);
+	}
+	return (0);
+}
+
+void
+log_vwrite(log_context lc, int category, int level, const char *format,
+	   va_list args) {
+	log_channel_list lcl;
+	int pri, debugging, did_vsprintf = 0;
+	int original_category;
+	FILE *stream;
+	log_channel chan;
+	struct timeval tv;
+	struct tm *local_tm;
+#ifdef HAVE_TIME_R
+	struct tm tm_tmp;
+#endif
+	time_t tt;
+	const char *category_name;
+	const char *level_str;
+	char time_buf[256];
+	char level_buf[256];
+
+	REQUIRE(lc != NULL);
+
+	debugging = (lc->flags & LOG_OPTION_DEBUG);
+
+	/*
+	 * If not debugging, short circuit debugging messages very early.
+	 */
+	if (level > 0 && !debugging)
+		return;
+
+	if (category < 0 || category > lc->num_categories)
+		category = 0;		/*%< use default */
+	original_category = category;
+	lcl = lc->categories[category];
+	if (lcl == NULL) {
+		category = 0;
+		lcl = lc->categories[0];
+	}
+
+	/*
+	 * Get the current time and format it.
+	 */
+	time_buf[0]='\0';
+	if (gettimeofday(&tv, NULL) < 0) {
+		syslog(LOG_INFO, "gettimeofday failed in log_vwrite()");
+	} else {
+		tt = tv.tv_sec;
+#ifdef HAVE_TIME_R
+		local_tm = localtime_r(&tt, &tm_tmp);
+#else
+		local_tm = localtime(&tt);
+#endif
+		if (local_tm != NULL) {
+			sprintf(time_buf, "%02d-%s-%4d %02d:%02d:%02d.%03ld ",
+				local_tm->tm_mday, months[local_tm->tm_mon],
+				local_tm->tm_year+1900, local_tm->tm_hour,
+				local_tm->tm_min, local_tm->tm_sec,
+				(long)tv.tv_usec/1000);
+		}
+	}
+
+	/*
+	 * Make a string representation of the current category and level
+	 */
+
+	if (lc->category_names != NULL &&
+	    lc->category_names[original_category] != NULL)
+		category_name = lc->category_names[original_category];
+	else
+		category_name = "";
+
+	if (level >= log_critical) {
+		if (level >= 0) {
+			sprintf(level_buf, "debug %d: ", level);
+			level_str = level_buf;
+		} else
+			level_str = level_text[-level-1];
+	} else {
+		sprintf(level_buf, "level %d: ", level);
+		level_str = level_buf;
+	}
+
+	/*
+	 * Write the message to channels.
+	 */
+	for ( /* nothing */; lcl != NULL; lcl = lcl->next) {
+		chan = lcl->channel;
+
+		if (!log_check_channel(lc, level, chan))
+			continue;
+
+		if (!did_vsprintf) {
+			(void)vsprintf(lc->buffer, format, args);
+			if (strlen(lc->buffer) > (size_t)LOG_BUFFER_SIZE) {
+				syslog(LOG_CRIT,
+				       "memory overrun in log_vwrite()");
+				exit(1);
+			}
+			did_vsprintf = 1;
+		}
+
+		switch (chan->type) {
+		case log_syslog:
+			if (level >= log_critical)
+				pri = (level >= 0) ? 0 : -level;
+			else
+				pri = -log_critical;
+			syslog(chan->out.facility|syslog_priority[pri],
+			       "%s%s%s%s",
+			       (chan->flags & LOG_TIMESTAMP) ?	time_buf : "",
+			       (chan->flags & LOG_PRINT_CATEGORY) ?
+			       category_name : "",
+			       (chan->flags & LOG_PRINT_LEVEL) ?
+			       level_str : "",
+			       lc->buffer);
+			break;
+		case log_file:
+			stream = chan->out.file.stream;
+			if (stream == NULL) {
+				stream = log_open_stream(chan);
+				if (stream == NULL)
+					break;
+			}
+			if (chan->out.file.max_size != ULONG_MAX) {
+				long pos;
+
+				pos = ftell(stream);
+				if (pos >= 0 &&
+				    (unsigned long)pos >
+				    chan->out.file.max_size) {
+					/*
+					 * try to roll over the log files,
+					 * ignoring all all return codes
+					 * except the open (we don't want
+					 * to write any more anyway)
+					 */
+					log_close_stream(chan);
+					version_rename(chan);
+					stream = log_open_stream(chan);
+					if (stream == NULL)
+						break;
+				}
+			}
+			fprintf(stream, "%s%s%s%s\n",
+				(chan->flags & LOG_TIMESTAMP) ?	time_buf : "",
+				(chan->flags & LOG_PRINT_CATEGORY) ?
+				category_name : "",
+				(chan->flags & LOG_PRINT_LEVEL) ?
+				level_str : "",
+				lc->buffer);
+			fflush(stream);
+			break;
+		case log_null:
+			break;
+		default:
+			syslog(LOG_ERR,
+			       "unknown channel type in log_vwrite()");
+		}
+	}
+}
+
+void
+log_write(log_context lc, int category, int level, const char *format, ...) {
+	va_list args;
+
+	va_start(args, format);
+	log_vwrite(lc, category, level, format, args);
+	va_end(args);
+}
+
+/*%
+ * Functions to create, set, or destroy contexts
+ */
+
+int
+log_new_context(int num_categories, char **category_names, log_context *lc) {
+	log_context nlc;
+
+	nlc = memget(sizeof (struct log_context));
+	if (nlc == NULL) {
+		errno = ENOMEM;
+		return (-1);
+	}
+	nlc->num_categories = num_categories;
+	nlc->category_names = category_names;
+	nlc->categories = memget(num_categories * sizeof (log_channel_list));
+	if (nlc->categories == NULL) {
+		memput(nlc, sizeof (struct log_context));
+		errno = ENOMEM;
+		return (-1);
+	}
+	memset(nlc->categories, '\0',
+	       num_categories * sizeof (log_channel_list));
+	nlc->flags = 0U;
+	nlc->level = 0;
+	*lc = nlc;
+	return (0);
+}
+
+void
+log_free_context(log_context lc) {
+	log_channel_list lcl, lcl_next;
+	log_channel chan;
+	int i;
+
+	REQUIRE(lc != NULL);
+
+	for (i = 0; i < lc->num_categories; i++)
+		for (lcl = lc->categories[i]; lcl != NULL; lcl = lcl_next) {
+			lcl_next = lcl->next;
+			chan = lcl->channel;
+			(void)log_free_channel(chan);
+			memput(lcl, sizeof (struct log_channel_list));
+		}
+	memput(lc->categories,
+	       lc->num_categories * sizeof (log_channel_list));
+	memput(lc, sizeof (struct log_context));
+}
+
+int
+log_add_channel(log_context lc, int category, log_channel chan) {
+	log_channel_list lcl;
+
+	if (lc == NULL || category < 0 || category >= lc->num_categories) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	lcl = memget(sizeof (struct log_channel_list));
+	if (lcl == NULL) {
+		errno = ENOMEM;
+		return(-1);
+	}
+	lcl->channel = chan;
+	lcl->next = lc->categories[category];
+	lc->categories[category] = lcl;
+	chan->references++;
+	return (0);
+}
+
+int
+log_remove_channel(log_context lc, int category, log_channel chan) {
+	log_channel_list lcl, prev_lcl, next_lcl;
+	int found = 0;
+
+	if (lc == NULL || category < 0 || category >= lc->num_categories) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	for (prev_lcl = NULL, lcl = lc->categories[category];
+	     lcl != NULL;
+	     lcl = next_lcl) {
+		next_lcl = lcl->next;
+		if (lcl->channel == chan) {
+			log_free_channel(chan);
+			if (prev_lcl != NULL)
+				prev_lcl->next = next_lcl;
+			else
+				lc->categories[category] = next_lcl;
+			memput(lcl, sizeof (struct log_channel_list));
+			/*
+			 * We just set found instead of returning because
+			 * the channel might be on the list more than once.
+			 */
+			found = 1;
+		} else
+			prev_lcl = lcl;
+	}
+	if (!found) {
+		errno = ENOENT;
+		return (-1);
+	}
+	return (0);
+}
+
+int
+log_option(log_context lc, int option, int value) {
+	if (lc == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+	switch (option) {
+	case LOG_OPTION_DEBUG:
+		if (value)
+			lc->flags |= option;
+		else
+			lc->flags &= ~option;
+		break;
+	case LOG_OPTION_LEVEL:
+		lc->level = value;
+		break;
+	default:
+		errno = EINVAL;
+		return (-1);
+	}
+	return (0);
+}
+
+int
+log_category_is_active(log_context lc, int category) {
+	if (lc == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+	if (category >= 0 && category < lc->num_categories &&
+	    lc->categories[category] != NULL)
+		return (1);
+	return (0);
+}
+
+log_channel
+log_new_syslog_channel(unsigned int flags, int level, int facility) {
+	log_channel chan;
+
+	chan = memget(sizeof (struct log_channel));
+	if (chan == NULL) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	chan->type = log_syslog;
+	chan->flags = flags;
+	chan->level = level;
+	chan->out.facility = facility;
+	chan->references = 0;
+	return (chan);
+}
+
+log_channel
+log_new_file_channel(unsigned int flags, int level,
+		     const char *name, FILE *stream, unsigned int versions,
+		     unsigned long max_size) {
+	log_channel chan;
+
+	chan = memget(sizeof (struct log_channel));
+	if (chan == NULL) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	chan->type = log_file;
+	chan->flags = flags;
+	chan->level = level;
+	if (name != NULL) {
+		size_t len;
+
+		len = strlen(name);
+		/*
+		 * Quantize length to a multiple of 256.  There's space for the
+		 * NUL, since if len is a multiple of 256, the size chosen will
+		 * be the next multiple.
+		 */
+		chan->out.file.name_size = ((len / 256) + 1) * 256;
+		chan->out.file.name = memget(chan->out.file.name_size);
+		if (chan->out.file.name == NULL) {
+			memput(chan, sizeof (struct log_channel));
+			errno = ENOMEM;
+			return (NULL);
+		}
+		/* This is safe. */
+		strcpy(chan->out.file.name, name);
+	} else {
+		chan->out.file.name_size = 0;
+		chan->out.file.name = NULL;
+	}
+	chan->out.file.stream = stream;
+	chan->out.file.versions = versions;
+	chan->out.file.max_size = max_size;
+	chan->out.file.owner = getuid();
+	chan->out.file.group = getgid();
+	chan->references = 0;
+	return (chan);
+}
+
+int
+log_set_file_owner(log_channel chan, uid_t owner, gid_t group) {
+	if (chan->type != log_file) {
+		errno = EBADF;
+		return (-1);
+	}
+	chan->out.file.owner = owner;
+	chan->out.file.group = group;
+	return (0);
+}
+
+log_channel
+log_new_null_channel() {
+	log_channel chan;
+
+	chan = memget(sizeof (struct log_channel));
+	if (chan == NULL) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	chan->type = log_null;
+	chan->flags = LOG_CHANNEL_OFF;
+	chan->level = log_info;
+	chan->references = 0;
+	return (chan);
+}
+
+int
+log_inc_references(log_channel chan) {
+	if (chan == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+	chan->references++;
+	return (0);
+}
+
+int
+log_dec_references(log_channel chan) {
+	if (chan == NULL || chan->references <= 0) {
+		errno = EINVAL;
+		return (-1);
+	}
+	chan->references--;
+	return (0);
+}
+
+log_channel_type
+log_get_channel_type(log_channel chan) {
+	REQUIRE(chan != NULL);
+
+	return (chan->type);
+}
+
+int
+log_free_channel(log_channel chan) {
+	if (chan == NULL || chan->references <= 0) {
+		errno = EINVAL;
+		return (-1);
+	}
+	chan->references--;
+	if (chan->references == 0) {
+		if (chan->type == log_file) {
+			if ((chan->flags & LOG_CLOSE_STREAM) &&
+			    chan->out.file.stream != NULL)
+				(void)fclose(chan->out.file.stream);
+			if (chan->out.file.name != NULL)
+				memput(chan->out.file.name,
+				       chan->out.file.name_size);
+		}
+		memput(chan, sizeof (struct log_channel));
+	}
+	return (0);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/logging_p.h b/usr/src/lib/libresolv2_joy/common/isc/logging_p.h
new file mode 100644
index 0000000000..5e6314f190
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/logging_p.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef LOGGING_P_H
+#define LOGGING_P_H
+
+typedef struct log_file_desc {
+	char *name;
+	size_t name_size;
+	FILE *stream;
+	unsigned int versions;
+	unsigned long max_size;
+	uid_t owner;
+	gid_t group;
+} log_file_desc;
+
+typedef union log_output {
+	int facility;
+	log_file_desc file;
+} log_output;
+
+struct log_channel {
+	int level;			/*%< don't log messages > level */
+	log_channel_type type;
+	log_output out;
+	unsigned int flags;
+	int references;
+};
+
+typedef struct log_channel_list {
+	log_channel channel;
+	struct log_channel_list *next;
+} *log_channel_list;
+
+#define LOG_BUFFER_SIZE 20480
+
+struct log_context {
+	int num_categories;
+	char **category_names;
+	log_channel_list *categories;
+	int flags;
+	int level;
+	char buffer[LOG_BUFFER_SIZE];
+};
+
+#endif /* !LOGGING_P_H */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/memcluster.c b/usr/src/lib/libresolv2_joy/common/isc/memcluster.c
new file mode 100644
index 0000000000..515793fd6a
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/memcluster.c
@@ -0,0 +1,588 @@
+/*
+ * Copyright (c) 2005 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1997,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+
+/* When this symbol is defined allocations via memget are made slightly 
+   bigger and some debugging info stuck before and after the region given 
+   back to the caller. */
+/* #define DEBUGGING_MEMCLUSTER */
+#define MEMCLUSTER_ATEND
+
+
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$Id: memcluster.c,v 1.11 2006/08/30 23:34:38 marka Exp $";
+#endif /* not lint */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include <isc/memcluster.h>
+#include <isc/assertions.h>
+
+#include "port_after.h"
+
+#ifdef MEMCLUSTER_RECORD
+#ifndef DEBUGGING_MEMCLUSTER
+#define DEBUGGING_MEMCLUSTER
+#endif
+#endif
+
+#define DEF_MAX_SIZE		1100
+#define DEF_MEM_TARGET		4096
+
+typedef u_int32_t fence_t;
+
+typedef struct {
+	void *			next;
+#if defined(DEBUGGING_MEMCLUSTER)
+#if defined(MEMCLUSTER_RECORD)
+	const char *		file;
+	int			line;
+#endif
+	size_t			size;
+	fence_t			fencepost;
+#endif
+} memcluster_element;
+
+#define SMALL_SIZE_LIMIT sizeof(memcluster_element)
+#define P_SIZE sizeof(void *)
+#define FRONT_FENCEPOST 0xfebafeba
+#define BACK_FENCEPOST 0xabefabef
+#define FENCEPOST_SIZE 4
+
+#ifndef MEMCLUSTER_LITTLE_MALLOC
+#define MEMCLUSTER_BIG_MALLOC 1
+#define NUM_BASIC_BLOCKS 64
+#endif
+
+struct stats {
+	u_long			gets;
+	u_long			totalgets;
+	u_long			blocks;
+	u_long			freefrags;
+};
+
+#ifdef DO_PTHREADS
+#include <pthread.h>
+static pthread_mutex_t	memlock = PTHREAD_MUTEX_INITIALIZER;
+#define MEMLOCK		(void)pthread_mutex_lock(&memlock)
+#define MEMUNLOCK	(void)pthread_mutex_unlock(&memlock)
+#else
+/*
+ * Catch bad lock usage in non threaded build.
+ */
+static unsigned int	memlock = 0;
+#define MEMLOCK		do { INSIST(memlock == 0); memlock = 1; } while (0)
+#define MEMUNLOCK	do { INSIST(memlock == 1); memlock = 0; } while (0)
+#endif  /* DO_PTHEADS */
+
+/* Private data. */
+
+static size_t			max_size;
+static size_t			mem_target;
+#ifndef MEMCLUSTER_BIG_MALLOC
+static size_t			mem_target_half;
+static size_t			mem_target_fudge;
+#endif
+static memcluster_element **	freelists;
+#ifdef MEMCLUSTER_RECORD
+static memcluster_element **	activelists;
+#endif
+#ifdef MEMCLUSTER_BIG_MALLOC
+static memcluster_element *	basic_blocks;
+#endif
+static struct stats *		stats;
+
+/* Forward. */
+
+static size_t			quantize(size_t);
+#if defined(DEBUGGING_MEMCLUSTER)
+static void			check(unsigned char *, int, size_t);
+#endif
+
+/* Public. */
+
+int
+meminit(size_t init_max_size, size_t target_size) {
+
+#if defined(DEBUGGING_MEMCLUSTER)
+	INSIST(sizeof(fence_t) == FENCEPOST_SIZE);
+#endif
+	if (freelists != NULL) {
+		errno = EEXIST;
+		return (-1);
+	}
+	if (init_max_size == 0U)
+		max_size = DEF_MAX_SIZE;
+	else
+		max_size = init_max_size;
+	if (target_size == 0U)
+		mem_target = DEF_MEM_TARGET;
+	else
+		mem_target = target_size;
+#ifndef MEMCLUSTER_BIG_MALLOC
+	mem_target_half = mem_target / 2;
+	mem_target_fudge = mem_target + mem_target / 4;
+#endif
+	freelists = malloc(max_size * sizeof (memcluster_element *));
+	stats = malloc((max_size+1) * sizeof (struct stats));
+	if (freelists == NULL || stats == NULL) {
+		errno = ENOMEM;
+		return (-1);
+	}
+	memset(freelists, 0,
+	       max_size * sizeof (memcluster_element *));
+	memset(stats, 0, (max_size + 1) * sizeof (struct stats));
+#ifdef MEMCLUSTER_RECORD
+	activelists = malloc((max_size + 1) * sizeof (memcluster_element *));
+	if (activelists == NULL) {
+		errno = ENOMEM;
+		return (-1);
+	}
+	memset(activelists, 0,
+	       (max_size + 1) * sizeof (memcluster_element *));
+#endif
+#ifdef MEMCLUSTER_BIG_MALLOC
+	basic_blocks = NULL;
+#endif
+	return (0);
+}
+
+void *
+__memget(size_t size) {
+	return (__memget_record(size, NULL, 0));
+}
+
+void *
+__memget_record(size_t size, const char *file, int line) {
+	size_t new_size = quantize(size);
+#if defined(DEBUGGING_MEMCLUSTER)
+	memcluster_element *e;
+	char *p;
+	fence_t fp = BACK_FENCEPOST;
+#endif
+	void *ret;
+
+	MEMLOCK;
+
+#if !defined(MEMCLUSTER_RECORD)
+	UNUSED(file);
+	UNUSED(line);
+#endif
+	if (freelists == NULL) {
+		if (meminit(0, 0) == -1) {
+			MEMUNLOCK;
+			return (NULL);
+		}
+	}
+	if (size == 0U) {
+		MEMUNLOCK;
+		errno = EINVAL;
+		return (NULL);
+	}
+	if (size >= max_size || new_size >= max_size) {
+		/* memget() was called on something beyond our upper limit. */
+		stats[max_size].gets++;
+		stats[max_size].totalgets++;
+#if defined(DEBUGGING_MEMCLUSTER)
+		e = malloc(new_size);
+		if (e == NULL) {
+			MEMUNLOCK;
+			errno = ENOMEM;
+			return (NULL);
+		}
+		e->next = NULL;
+		e->size = size;
+#ifdef MEMCLUSTER_RECORD
+		e->file = file;
+		e->line = line;
+		e->next = activelists[max_size];
+		activelists[max_size] = e;
+#endif
+		MEMUNLOCK;
+		e->fencepost = FRONT_FENCEPOST;
+		p = (char *)e + sizeof *e + size;
+		memcpy(p, &fp, sizeof fp);
+		return ((char *)e + sizeof *e);
+#else
+		MEMUNLOCK;
+		return (malloc(size));
+#endif
+	}
+
+	/* 
+	 * If there are no blocks in the free list for this size, get a chunk
+	 * of memory and then break it up into "new_size"-sized blocks, adding
+	 * them to the free list.
+	 */
+	if (freelists[new_size] == NULL) {
+		int i, frags;
+		size_t total_size;
+		void *new;
+		char *curr, *next;
+
+#ifdef MEMCLUSTER_BIG_MALLOC
+		if (basic_blocks == NULL) {
+			new = malloc(NUM_BASIC_BLOCKS * mem_target);
+			if (new == NULL) {
+				MEMUNLOCK;
+				errno = ENOMEM;
+				return (NULL);
+			}
+			curr = new;
+			next = curr + mem_target;
+			for (i = 0; i < (NUM_BASIC_BLOCKS - 1); i++) {
+				((memcluster_element *)curr)->next = next;
+				curr = next;
+				next += mem_target;
+			}
+			/*
+			 * curr is now pointing at the last block in the
+			 * array.
+			 */
+			((memcluster_element *)curr)->next = NULL;
+			basic_blocks = new;
+		}
+		total_size = mem_target;
+		new = basic_blocks;
+		basic_blocks = basic_blocks->next;
+#else
+		if (new_size > mem_target_half)
+			total_size = mem_target_fudge;
+		else
+			total_size = mem_target;
+		new = malloc(total_size);
+		if (new == NULL) {
+			MEMUNLOCK;
+			errno = ENOMEM;
+			return (NULL);
+		}
+#endif
+		frags = total_size / new_size;
+		stats[new_size].blocks++;
+		stats[new_size].freefrags += frags;
+		/* Set up a linked-list of blocks of size "new_size". */
+		curr = new;
+		next = curr + new_size;
+		for (i = 0; i < (frags - 1); i++) {
+#if defined (DEBUGGING_MEMCLUSTER)
+			memset(curr, 0xa5, new_size);
+#endif
+			((memcluster_element *)curr)->next = next;
+			curr = next;
+			next += new_size;
+		}
+		/* curr is now pointing at the last block in the array. */
+#if defined (DEBUGGING_MEMCLUSTER)
+		memset(curr, 0xa5, new_size);
+#endif
+		((memcluster_element *)curr)->next = freelists[new_size];
+		freelists[new_size] = new;
+	}
+
+	/* The free list uses the "rounded-up" size "new_size". */
+#if defined (DEBUGGING_MEMCLUSTER)
+	e = freelists[new_size];
+	ret = (char *)e + sizeof *e;
+	/*
+	 * Check to see if this buffer has been written to while on free list.
+	 */
+	check(ret, 0xa5, new_size - sizeof *e);
+	/*
+	 * Mark memory we are returning.
+	 */
+	memset(ret, 0xe5, size);
+#else
+	ret = freelists[new_size];
+#endif
+	freelists[new_size] = freelists[new_size]->next;
+#if defined(DEBUGGING_MEMCLUSTER)
+	e->next = NULL;
+	e->size = size;
+	e->fencepost = FRONT_FENCEPOST;
+#ifdef MEMCLUSTER_RECORD
+	e->file = file;
+	e->line = line;
+	e->next = activelists[size];
+	activelists[size] = e;
+#endif
+	p = (char *)e + sizeof *e + size;
+	memcpy(p, &fp, sizeof fp);
+#endif
+
+	/* 
+	 * The stats[] uses the _actual_ "size" requested by the
+	 * caller, with the caveat (in the code above) that "size" >= the
+	 * max. size (max_size) ends up getting recorded as a call to
+	 * max_size.
+	 */
+	stats[size].gets++;
+	stats[size].totalgets++;
+	stats[new_size].freefrags--;
+	MEMUNLOCK;
+#if defined(DEBUGGING_MEMCLUSTER)
+	return ((char *)e + sizeof *e);
+#else
+	return (ret);
+#endif
+}
+
+/*%
+ * This is a call from an external caller, 
+ * so we want to count this as a user "put". 
+ */
+void
+__memput(void *mem, size_t size) {
+	__memput_record(mem, size, NULL, 0);
+}
+
+void
+__memput_record(void *mem, size_t size, const char *file, int line) {
+	size_t new_size = quantize(size);
+#if defined (DEBUGGING_MEMCLUSTER)
+	memcluster_element *e;
+	memcluster_element *el;
+#ifdef MEMCLUSTER_RECORD
+	memcluster_element *prev;
+#endif
+	fence_t fp;
+	char *p;
+#endif
+
+	MEMLOCK;
+
+#if !defined (MEMCLUSTER_RECORD)
+	UNUSED(file);
+	UNUSED(line);
+#endif
+
+	REQUIRE(freelists != NULL);
+
+	if (size == 0U) {
+		MEMUNLOCK;
+		errno = EINVAL;
+		return;
+	}
+
+#if defined (DEBUGGING_MEMCLUSTER)
+	e = (memcluster_element *) ((char *)mem - sizeof *e);
+	INSIST(e->fencepost == FRONT_FENCEPOST);
+	INSIST(e->size == size);
+	p = (char *)e + sizeof *e + size;
+	memcpy(&fp, p, sizeof fp);
+	INSIST(fp == BACK_FENCEPOST);
+	INSIST(((u_long)mem % 4) == 0);
+#ifdef MEMCLUSTER_RECORD
+	prev = NULL;
+	if (size == max_size || new_size >= max_size)
+		el = activelists[max_size];
+	else
+		el = activelists[size];
+	while (el != NULL && el != e) {
+		prev = el;
+		el = el->next;
+	}
+	INSIST(el != NULL);	/*%< double free */
+	if (prev == NULL) {
+		if (size == max_size || new_size >= max_size)
+			activelists[max_size] = el->next;
+		else
+			activelists[size] = el->next;
+	} else
+		prev->next = el->next;
+#endif
+#endif
+
+	if (size == max_size || new_size >= max_size) {
+		/* memput() called on something beyond our upper limit */
+#if defined(DEBUGGING_MEMCLUSTER)
+		free(e);
+#else
+		free(mem);
+#endif
+
+		INSIST(stats[max_size].gets != 0U);
+		stats[max_size].gets--;
+		MEMUNLOCK;
+		return;
+	}
+
+	/* The free list uses the "rounded-up" size "new_size": */
+#if defined(DEBUGGING_MEMCLUSTER)
+	memset(mem, 0xa5, new_size - sizeof *e); /*%< catch write after free */
+	e->size = 0;	/*%< catch double memput() */
+#ifdef MEMCLUSTER_RECORD
+	e->file = file;
+	e->line = line;
+#endif
+#ifdef MEMCLUSTER_ATEND
+	e->next = NULL;
+	el = freelists[new_size];
+	while (el != NULL && el->next != NULL)
+		el = el->next;
+	if (el)
+		el->next = e;
+	else
+		freelists[new_size] = e;
+#else
+	e->next = freelists[new_size];
+	freelists[new_size] = (void *)e;
+#endif
+#else
+	((memcluster_element *)mem)->next = freelists[new_size];
+	freelists[new_size] = (memcluster_element *)mem;
+#endif
+
+	/* 
+	 * The stats[] uses the _actual_ "size" requested by the
+	 * caller, with the caveat (in the code above) that "size" >= the
+	 * max. size (max_size) ends up getting recorded as a call to
+	 * max_size.
+	 */
+	INSIST(stats[size].gets != 0U);
+	stats[size].gets--;
+	stats[new_size].freefrags++;
+	MEMUNLOCK;
+}
+
+void *
+__memget_debug(size_t size, const char *file, int line) {
+	void *ptr;
+	ptr = __memget_record(size, file, line);
+	fprintf(stderr, "%s:%d: memget(%lu) -> %p\n", file, line,
+		(u_long)size, ptr);
+	return (ptr);
+}
+
+void
+__memput_debug(void *ptr, size_t size, const char *file, int line) {
+	fprintf(stderr, "%s:%d: memput(%p, %lu)\n", file, line, ptr,
+		(u_long)size);
+	__memput_record(ptr, size, file, line);
+}
+
+/*%
+ * Print the stats[] on the stream "out" with suitable formatting.
+ */
+void
+memstats(FILE *out) {
+	size_t i;
+#ifdef MEMCLUSTER_RECORD
+	memcluster_element *e;
+#endif
+
+	MEMLOCK;
+
+	if (freelists == NULL) {
+		MEMUNLOCK;
+		return;
+	}
+	for (i = 1; i <= max_size; i++) {
+		const struct stats *s = &stats[i];
+
+		if (s->totalgets == 0U && s->gets == 0U)
+			continue;
+		fprintf(out, "%s%5lu: %11lu gets, %11lu rem",
+			(i == max_size) ? ">=" : "  ",
+			(unsigned long)i, s->totalgets, s->gets);
+		if (s->blocks != 0U)
+			fprintf(out, " (%lu bl, %lu ff)",
+				s->blocks, s->freefrags);
+		fputc('\n', out);
+	}
+#ifdef MEMCLUSTER_RECORD
+	fprintf(out, "Active Memory:\n");
+	for (i = 1; i <= max_size; i++) {
+		if ((e = activelists[i]) != NULL)
+			while (e != NULL) {
+				fprintf(out, "%s:%d %p:%lu\n",
+				        e->file != NULL ? e->file :
+						"<UNKNOWN>", e->line,
+					(char *)e + sizeof *e,
+					(u_long)e->size);
+				e = e->next;
+			}
+	}
+#endif
+	MEMUNLOCK;
+}
+
+int
+memactive(void) {
+	size_t i;
+
+	if (stats == NULL)
+		return (0);
+	for (i = 1; i <= max_size; i++)
+		if (stats[i].gets != 0U)
+			return (1);
+	return (0);
+}
+
+/* Private. */
+
+/*%
+ * Round up size to a multiple of sizeof(void *).  This guarantees that a
+ * block is at least sizeof void *, and that we won't violate alignment
+ * restrictions, both of which are needed to make lists of blocks.
+ */
+static size_t
+quantize(size_t size) {
+	int remainder;
+	/*
+	 * If there is no remainder for the integer division of 
+	 *
+	 *	(rightsize/P_SIZE)
+	 *
+	 * then we already have a good size; if not, then we need
+	 * to round up the result in order to get a size big
+	 * enough to satisfy the request _and_ aligned on P_SIZE boundaries.
+	 */
+	remainder = size % P_SIZE;
+	if (remainder != 0)
+		size += P_SIZE - remainder;
+#if defined(DEBUGGING_MEMCLUSTER)
+	return (size + SMALL_SIZE_LIMIT + sizeof (int));
+#else
+	return (size);
+#endif
+}
+
+#if defined(DEBUGGING_MEMCLUSTER)
+static void
+check(unsigned char *a, int value, size_t len) {
+	size_t i;
+	for (i = 0; i < len; i++)
+		INSIST(a[i] == value);
+}
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/movefile.c b/usr/src/lib/libresolv2_joy/common/isc/movefile.c
new file mode 100644
index 0000000000..0ffc7047e2
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/movefile.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 2000 by Internet Software Consortium, Inc.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+
+#include <port_before.h>
+#include <stdio.h>
+#include <isc/misc.h>
+#include <port_after.h>
+#ifndef HAVE_MOVEFILE
+/*
+ * rename() is lame (can't overwrite an existing file) on some systems.
+ * use movefile() instead, and let lame OS ports do what they need to.
+ */
+
+int
+isc_movefile(const char *oldname, const char *newname) {
+	return (rename(oldname, newname));
+}
+#else
+	static int os_port_has_isc_movefile = 1;
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/isc/tree.c b/usr/src/lib/libresolv2_joy/common/isc/tree.c
new file mode 100644
index 0000000000..8ba675fbe8
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/isc/tree.c
@@ -0,0 +1,534 @@
+#ifndef LINT
+static const char rcsid[] = "$Id: tree.c,v 1.4 2005/04/27 04:56:39 sra Exp $";
+#endif
+
+/*%
+ * tree - balanced binary tree library
+ *
+ * vix 05apr94 [removed vixie.h dependencies; cleaned up formatting, names]
+ * vix 22jan93 [revisited; uses RCS, ANSI, POSIX; has bug fixes]
+ * vix 23jun86 [added delete uar to add for replaced nodes]
+ * vix 20jun86 [added tree_delete per wirth a+ds (mod2 v.) p. 224]
+ * vix 06feb86 [added tree_mung()]
+ * vix 02feb86 [added tree balancing from wirth "a+ds=p" p. 220-221]
+ * vix 14dec85 [written]
+ */
+
+/*%
+ * This program text was created by Paul Vixie using examples from the book:
+ * "Algorithms & Data Structures," Niklaus Wirth, Prentice-Hall, 1986, ISBN
+ * 0-13-022005-1.  Any errors in the conversion from Modula-2 to C are Paul
+ * Vixie's.
+ */
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*#define		DEBUG	"tree"*/
+
+#include "port_before.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "port_after.h"
+
+#include <isc/memcluster.h>
+#include <isc/tree.h>
+
+#ifdef DEBUG
+static int	debugDepth = 0;
+static char	*debugFuncs[256];
+# define ENTER(proc) { \
+			debugFuncs[debugDepth] = proc; \
+			fprintf(stderr, "ENTER(%d:%s.%s)\n", \
+				debugDepth, DEBUG, \
+				debugFuncs[debugDepth]); \
+			debugDepth++; \
+		}
+# define RET(value) { \
+			debugDepth--; \
+			fprintf(stderr, "RET(%d:%s.%s)\n", \
+				debugDepth, DEBUG, \
+				debugFuncs[debugDepth]); \
+			return (value); \
+		}
+# define RETV { \
+			debugDepth--; \
+			fprintf(stderr, "RETV(%d:%s.%s)\n", \
+				debugDepth, DEBUG, \
+				debugFuncs[debugDepth]); \
+			return; \
+		}
+# define MSG(msg)	fprintf(stderr, "MSG(%s)\n", msg);
+#else
+# define ENTER(proc)	;
+# define RET(value)	return (value);
+# define RETV		return;
+# define MSG(msg)	;
+#endif
+
+#ifndef TRUE
+# define TRUE		1
+# define FALSE		0
+#endif
+
+static tree *	sprout(tree **, tree_t, int *, int (*)(), void (*)());
+static int	delete(tree **, int (*)(), tree_t, void (*)(), int *, int *);
+static void	del(tree **, int *, tree **, void (*)(), int *);
+static void	bal_L(tree **, int *);
+static void	bal_R(tree **, int *);
+
+void
+tree_init(tree **ppr_tree) {
+	ENTER("tree_init")
+	*ppr_tree = NULL;
+	RETV
+}
+	
+tree_t
+tree_srch(tree **ppr_tree, int (*pfi_compare)(tree_t, tree_t), tree_t	p_user) {
+	ENTER("tree_srch")
+
+	if (*ppr_tree) {
+		int i_comp = (*pfi_compare)(p_user, (**ppr_tree).data);
+
+		if (i_comp > 0)
+			RET(tree_srch(&(**ppr_tree).right,
+				      pfi_compare,
+				      p_user))
+
+		if (i_comp < 0)
+			RET(tree_srch(&(**ppr_tree).left,
+				      pfi_compare,
+				      p_user))
+
+		/* not higher, not lower... this must be the one.
+		 */
+		RET((**ppr_tree).data)
+	}
+
+	/* grounded. NOT found.
+	 */
+	RET(NULL)
+}
+
+tree_t
+tree_add(tree **ppr_tree, int (*pfi_compare)(tree_t, tree_t),
+	 tree_t p_user, void (*pfv_uar)())
+{
+	int i_balance = FALSE;
+
+	ENTER("tree_add")
+	if (!sprout(ppr_tree, p_user, &i_balance, pfi_compare, pfv_uar))
+		RET(NULL)
+	RET(p_user)
+}
+
+int
+tree_delete(tree **ppr_p, int (*pfi_compare)(tree_t, tree_t),
+	    tree_t p_user, void	(*pfv_uar)())
+{
+	int i_balance = FALSE, i_uar_called = FALSE;
+
+	ENTER("tree_delete");
+	RET(delete(ppr_p, pfi_compare, p_user, pfv_uar,
+		   &i_balance, &i_uar_called))
+}
+
+int
+tree_trav(tree **ppr_tree, int (*pfi_uar)(tree_t)) {
+	ENTER("tree_trav")
+
+	if (!*ppr_tree)
+		RET(TRUE)
+
+	if (!tree_trav(&(**ppr_tree).left, pfi_uar))
+		RET(FALSE)
+	if (!(*pfi_uar)((**ppr_tree).data))
+		RET(FALSE)
+	if (!tree_trav(&(**ppr_tree).right, pfi_uar))
+		RET(FALSE)
+	RET(TRUE)
+}
+
+void
+tree_mung(tree **ppr_tree, void	(*pfv_uar)(tree_t)) {
+	ENTER("tree_mung")
+	if (*ppr_tree) {
+		tree_mung(&(**ppr_tree).left, pfv_uar);
+		tree_mung(&(**ppr_tree).right, pfv_uar);
+		if (pfv_uar)
+			(*pfv_uar)((**ppr_tree).data);
+		memput(*ppr_tree, sizeof(tree));
+		*ppr_tree = NULL;
+	}
+	RETV
+}
+
+static tree *
+sprout(tree **ppr, tree_t p_data, int *pi_balance,
+       int (*pfi_compare)(tree_t, tree_t), void (*pfv_delete)(tree_t))
+{
+	tree *p1, *p2, *sub;
+	int cmp;
+
+	ENTER("sprout")
+
+	/* are we grounded?  if so, add the node "here" and set the rebalance
+	 * flag, then exit.
+	 */
+	if (!*ppr) {
+		MSG("grounded. adding new node, setting h=true")
+		*ppr = (tree *) memget(sizeof(tree));
+		if (*ppr) {
+			(*ppr)->left = NULL;
+			(*ppr)->right = NULL;
+			(*ppr)->bal = 0;
+			(*ppr)->data = p_data;
+			*pi_balance = TRUE;
+		}
+		RET(*ppr);
+	}
+
+	/* compare the data using routine passed by caller.
+	 */
+	cmp = (*pfi_compare)(p_data, (*ppr)->data);
+
+	/* if LESS, prepare to move to the left.
+	 */
+	if (cmp < 0) {
+		MSG("LESS. sprouting left.")
+		sub = sprout(&(*ppr)->left, p_data, pi_balance,
+			     pfi_compare, pfv_delete);
+		if (sub && *pi_balance) {	/*%< left branch has grown */
+			MSG("LESS: left branch has grown")
+			switch ((*ppr)->bal) {
+			case 1:
+				/* right branch WAS longer; bal is ok now */
+				MSG("LESS: case 1.. bal restored implicitly")
+				(*ppr)->bal = 0;
+				*pi_balance = FALSE;
+				break;
+			case 0:
+				/* balance WAS okay; now left branch longer */
+				MSG("LESS: case 0.. balnce bad but still ok")
+				(*ppr)->bal = -1;
+				break;
+			case -1:
+				/* left branch was already too long. rebal */
+				MSG("LESS: case -1: rebalancing")
+				p1 = (*ppr)->left;
+				if (p1->bal == -1) {		/*%< LL */
+					MSG("LESS: single LL")
+					(*ppr)->left = p1->right;
+					p1->right = *ppr;
+					(*ppr)->bal = 0;
+					*ppr = p1;
+				} else {			/*%< double LR */
+					MSG("LESS: double LR")
+
+					p2 = p1->right;
+					p1->right = p2->left;
+					p2->left = p1;
+
+					(*ppr)->left = p2->right;
+					p2->right = *ppr;
+
+					if (p2->bal == -1)
+						(*ppr)->bal = 1;
+					else
+						(*ppr)->bal = 0;
+
+					if (p2->bal == 1)
+						p1->bal = -1;
+					else
+						p1->bal = 0;
+					*ppr = p2;
+				} /*else*/
+				(*ppr)->bal = 0;
+				*pi_balance = FALSE;
+			} /*switch*/
+		} /*if*/
+		RET(sub)
+	} /*if*/
+
+	/* if MORE, prepare to move to the right.
+	 */
+	if (cmp > 0) {
+		MSG("MORE: sprouting to the right")
+		sub = sprout(&(*ppr)->right, p_data, pi_balance,
+			     pfi_compare, pfv_delete);
+		if (sub && *pi_balance) {
+			MSG("MORE: right branch has grown")
+
+			switch ((*ppr)->bal) {
+			case -1:
+				MSG("MORE: balance was off, fixed implicitly")
+				(*ppr)->bal = 0;
+				*pi_balance = FALSE;
+				break;
+			case 0:
+				MSG("MORE: balance was okay, now off but ok")
+				(*ppr)->bal = 1;
+				break;
+			case 1:
+				MSG("MORE: balance was off, need to rebalance")
+				p1 = (*ppr)->right;
+				if (p1->bal == 1) {		/*%< RR */
+					MSG("MORE: single RR")
+					(*ppr)->right = p1->left;
+					p1->left = *ppr;
+					(*ppr)->bal = 0;
+					*ppr = p1;
+				} else {			/*%< double RL */
+					MSG("MORE: double RL")
+
+					p2 = p1->left;
+					p1->left = p2->right;
+					p2->right = p1;
+
+					(*ppr)->right = p2->left;
+					p2->left = *ppr;
+
+					if (p2->bal == 1)
+						(*ppr)->bal = -1;
+					else
+						(*ppr)->bal = 0;
+
+					if (p2->bal == -1)
+						p1->bal = 1;
+					else
+						p1->bal = 0;
+
+					*ppr = p2;
+				} /*else*/
+				(*ppr)->bal = 0;
+				*pi_balance = FALSE;
+			} /*switch*/
+		} /*if*/
+		RET(sub)
+	} /*if*/
+
+	/* not less, not more: this is the same key!  replace...
+	 */
+	MSG("FOUND: Replacing data value")
+	*pi_balance = FALSE;
+	if (pfv_delete)
+		(*pfv_delete)((*ppr)->data);
+	(*ppr)->data = p_data;
+	RET(*ppr)
+}
+
+static int
+delete(tree **ppr_p, int (*pfi_compare)(tree_t, tree_t), tree_t p_user,
+       void (*pfv_uar)(tree_t), int *pi_balance, int *pi_uar_called)
+{
+	tree *pr_q;
+	int i_comp, i_ret;
+
+	ENTER("delete")
+
+	if (*ppr_p == NULL) {
+		MSG("key not in tree")
+		RET(FALSE)
+	}
+
+	i_comp = (*pfi_compare)((*ppr_p)->data, p_user);
+	if (i_comp > 0) {
+		MSG("too high - scan left")
+		i_ret = delete(&(*ppr_p)->left, pfi_compare, p_user, pfv_uar,
+			       pi_balance, pi_uar_called);
+		if (*pi_balance)
+			bal_L(ppr_p, pi_balance);
+	} else if (i_comp < 0) {
+		MSG("too low - scan right")
+		i_ret = delete(&(*ppr_p)->right, pfi_compare, p_user, pfv_uar,
+			       pi_balance, pi_uar_called);
+		if (*pi_balance)
+			bal_R(ppr_p, pi_balance);
+	} else {
+		MSG("equal")
+		pr_q = *ppr_p;
+		if (pr_q->right == NULL) {
+			MSG("right subtree null")
+			*ppr_p = pr_q->left;
+			*pi_balance = TRUE;
+		} else if (pr_q->left == NULL) {
+			MSG("right subtree non-null, left subtree null")
+			*ppr_p = pr_q->right;
+			*pi_balance = TRUE;
+		} else {
+			MSG("neither subtree null")
+			del(&pr_q->left, pi_balance, &pr_q,
+			    pfv_uar, pi_uar_called);
+			if (*pi_balance)
+				bal_L(ppr_p, pi_balance);
+		}
+		if (!*pi_uar_called && pfv_uar)
+			(*pfv_uar)(pr_q->data);
+		/* Thanks to wuth@castrov.cuc.ab.ca for the following stmt. */
+		memput(pr_q, sizeof(tree));
+		i_ret = TRUE;
+	}
+	RET(i_ret)
+}
+
+static void
+del(tree **ppr_r, int *pi_balance, tree **ppr_q,
+    void (*pfv_uar)(tree_t), int *pi_uar_called)
+{
+	ENTER("del")
+
+	if ((*ppr_r)->right != NULL) {
+		del(&(*ppr_r)->right, pi_balance, ppr_q,
+		    pfv_uar, pi_uar_called);
+		if (*pi_balance)
+			bal_R(ppr_r, pi_balance);
+	} else {
+		if (pfv_uar)
+			(*pfv_uar)((*ppr_q)->data);
+		*pi_uar_called = TRUE;
+		(*ppr_q)->data = (*ppr_r)->data;
+		*ppr_q = *ppr_r;
+		*ppr_r = (*ppr_r)->left;
+		*pi_balance = TRUE;
+	}
+
+	RETV
+}
+
+static void
+bal_L(tree **ppr_p, int *pi_balance) {
+	tree *p1, *p2;
+	int b1, b2;
+
+	ENTER("bal_L")
+	MSG("left branch has shrunk")
+
+	switch ((*ppr_p)->bal) {
+	case -1:
+		MSG("was imbalanced, fixed implicitly")
+		(*ppr_p)->bal = 0;
+		break;
+	case 0:
+		MSG("was okay, is now one off")
+		(*ppr_p)->bal = 1;
+		*pi_balance = FALSE;
+		break;
+	case 1:
+		MSG("was already off, this is too much")
+		p1 = (*ppr_p)->right;
+		b1 = p1->bal;
+		if (b1 >= 0) {
+			MSG("single RR")
+			(*ppr_p)->right = p1->left;
+			p1->left = *ppr_p;
+			if (b1 == 0) {
+				MSG("b1 == 0")
+				(*ppr_p)->bal = 1;
+				p1->bal = -1;
+				*pi_balance = FALSE;
+			} else {
+				MSG("b1 != 0")
+				(*ppr_p)->bal = 0;
+				p1->bal = 0;
+			}
+			*ppr_p = p1;
+		} else {
+			MSG("double RL")
+			p2 = p1->left;
+			b2 = p2->bal;
+			p1->left = p2->right;
+			p2->right = p1;
+			(*ppr_p)->right = p2->left;
+			p2->left = *ppr_p;
+			if (b2 == 1)
+				(*ppr_p)->bal = -1;
+			else
+				(*ppr_p)->bal = 0;
+			if (b2 == -1)
+				p1->bal = 1;
+			else
+				p1->bal = 0;
+			*ppr_p = p2;
+			p2->bal = 0;
+		}
+	}
+	RETV
+}
+
+static void
+bal_R(tree **ppr_p, int *pi_balance) {
+	tree *p1, *p2;
+	int b1, b2;
+
+	ENTER("bal_R")
+	MSG("right branch has shrunk")
+	switch ((*ppr_p)->bal) {
+	case 1:
+		MSG("was imbalanced, fixed implicitly")
+		(*ppr_p)->bal = 0;
+		break;
+	case 0:
+		MSG("was okay, is now one off")
+		(*ppr_p)->bal = -1;
+		*pi_balance = FALSE;
+		break;
+	case -1:
+		MSG("was already off, this is too much")
+		p1 = (*ppr_p)->left;
+		b1 = p1->bal;
+		if (b1 <= 0) {
+			MSG("single LL")
+			(*ppr_p)->left = p1->right;
+			p1->right = *ppr_p;
+			if (b1 == 0) {
+				MSG("b1 == 0")
+				(*ppr_p)->bal = -1;
+				p1->bal = 1;
+				*pi_balance = FALSE;
+			} else {
+				MSG("b1 != 0")
+				(*ppr_p)->bal = 0;
+				p1->bal = 0;
+			}
+			*ppr_p = p1;
+		} else {
+			MSG("double LR")
+			p2 = p1->right;
+			b2 = p2->bal;
+			p1->right = p2->left;
+			p2->left = p1;
+			(*ppr_p)->left = p2->right;
+			p2->right = *ppr_p;
+			if (b2 == -1)
+				(*ppr_p)->bal = 1;
+			else
+				(*ppr_p)->bal = 0;
+			if (b2 == 1)
+				p1->bal = -1;
+			else
+				p1->bal = 0;
+			*ppr_p = p2;
+			p2->bal = 0;
+		}
+	}
+	RETV
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/llib-lresolv_joy b/usr/src/lib/libresolv2_joy/common/llib-lresolv_joy
new file mode 100644
index 0000000000..aedd06a0fa
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/llib-lresolv_joy
@@ -0,0 +1,59 @@
+/* LINTLIBRARY */
+/* PROTOLIB1 */
+
+/*
+ * Copyright (c) 1997-1999 by Sun Microsystems, Inc. 
+ * All rights reserved. 
+ */ 
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+
+/*
+ * usr/src/lib/libresolv2 routines
+ */
+
+int		dn_skipname(const uchar_t *, const uchar_t *);
+void		fp_query(const u_char *, FILE *);
+const uchar_t *	p_cdname(const uchar_t *, const uchar_t *, FILE *);
+const char *	p_class(int);
+void		p_query(const u_char *);
+const char *	p_time(unsigned int);
+const char *	p_type(int);
+void		putlong(unsigned int, uchar_t *);
+uint32_t	_getlong(const u_char *);
+uint16_t	_getshort(const u_char *);
+const char *	hstrerror(int);
+int		res_init(void);
+int		res_mkquery(int, const char *, int, int, const u_char *,
+				int, const u_char *, u_char *, int);
+int		res_query(const char *, int, int, u_char *, int);
+int		res_querydomain(const char *, const char *, int, int,
+				u_char *, int);
+int		res_search(const char *, int, int, u_char *, int);
+int		res_send(const u_char *, int, u_char *, int);
+int		res_update(ns_updrec *);
+int		res_ninit(res_state);
+void		fp_resstat(const res_state, FILE *);
+const char *	res_hostalias(const res_state, const char *, char *, size_t);
+int		res_nquery(res_state, const char *, int, int, u_char *, int);
+int		res_nsearch(res_state, const char *, int, int, u_char *, int);
+int		res_nquerydomain(res_state, const char *, const char *,
+				int, int, u_char *, int);
+int		res_nmkquery(res_state, int, const char *, int, int,
+				const u_char *, int, const u_char *,
+				u_char *, int);
+int		res_nsend(res_state, const u_char *, int, u_char *, int);
+int		res_nmkupdate(res_state, ns_updrec *, u_char *, int);
+void		res_nclose(res_state);
+int		res_nsendsigned(res_state, const u_char *, int, ns_tsig_key *,
+				u_char *, int);
+int		dn_comp(const char *, u_char *, int, u_char **, u_char **);
+int		dn_expand(const u_char *, const u_char *, const u_char *,
+				char *, int);
diff --git a/usr/src/lib/libresolv2_joy/common/mapfile-vers b/usr/src/lib/libresolv2_joy/common/mapfile-vers
new file mode 100644
index 0000000000..e0c66a1c96
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/mapfile-vers
@@ -0,0 +1,60 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+SYMBOL_VERSION SUNWprivate {
+    global:
+	joy_dn_expand;
+	joy_res_nsearch;
+	joy_res_ninit;
+	joy_res_ndestroy;
+	joy_res_gethostbyaddr;
+	joy_res_gethostbyname;
+	joy_res_gethostbyname2;
+	joy_res_sethostent;
+	joy_res_endhostent;
+	__joy_res_override_retry;
+	__joy_res_unset_no_hosts_fallback;
+	__joy_res_set_no_hosts_fallback;
+	__joy_h_errno;
+	__joy_ns_get16;
+	__joy_ns_get32;
+    local:
+	*;
+};
diff --git a/usr/src/lib/libresolv2_joy/common/nameser/ns_date.c b/usr/src/lib/libresolv2_joy/common/nameser/ns_date.c
new file mode 100644
index 0000000000..292375af63
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/nameser/ns_date.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef lint
+static const char rcsid[] = "$Id: ns_date.c,v 1.6 2005/04/27 04:56:39 sra Exp $";
+#endif
+
+/* Import. */
+
+#include "port_before.h"
+
+#include <arpa/nameser.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+
+#include "port_after.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) ((size_t)sprintf x)
+#endif
+
+/* Forward. */
+
+static int	datepart(const char *, int, int, int, int *);
+
+/* Public. */
+
+/*%
+ * Convert a date in ASCII into the number of seconds since
+ * 1 January 1970 (GMT assumed).  Format is yyyymmddhhmmss, all
+ * digits required, no spaces allowed.
+ */
+
+u_int32_t
+ns_datetosecs(const char *cp, int *errp) {
+	struct tm time;
+	u_int32_t result;
+	int mdays, i;
+	static const int days_per_month[12] =
+		{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
+
+	if (strlen(cp) != 14U) {
+		*errp = 1;
+		return (0);
+	}
+	*errp = 0;
+
+	memset(&time, 0, sizeof time);
+	time.tm_year  = datepart(cp +  0, 4, 1990, 9999, errp) - 1900;
+	time.tm_mon   = datepart(cp +  4, 2,   01,   12, errp) - 1;
+	time.tm_mday  = datepart(cp +  6, 2,   01,   31, errp);
+	time.tm_hour  = datepart(cp +  8, 2,   00,   23, errp);
+	time.tm_min   = datepart(cp + 10, 2,   00,   59, errp);
+	time.tm_sec   = datepart(cp + 12, 2,   00,   59, errp);
+	if (*errp)		/*%< Any parse errors? */
+		return (0);
+
+	/* 
+	 * OK, now because timegm() is not available in all environments,
+	 * we will do it by hand.  Roll up sleeves, curse the gods, begin!
+	 */
+
+#define SECS_PER_DAY    ((u_int32_t)24*60*60)
+#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)
+
+	result  = time.tm_sec;				/*%< Seconds */
+	result += time.tm_min * 60;			/*%< Minutes */
+	result += time.tm_hour * (60*60);		/*%< Hours */
+	result += (time.tm_mday - 1) * SECS_PER_DAY;	/*%< Days */
+	/* Months are trickier.  Look without leaping, then leap */
+	mdays = 0;
+	for (i = 0; i < time.tm_mon; i++)
+		mdays += days_per_month[i];
+	result += mdays * SECS_PER_DAY;			/*%< Months */
+	if (time.tm_mon > 1 && isleap(1900+time.tm_year))
+		result += SECS_PER_DAY;		/*%< Add leapday for this year */
+	/* First figure years without leapdays, then add them in.  */
+	/* The loop is slow, FIXME, but simple and accurate.  */
+	result += (time.tm_year - 70) * (SECS_PER_DAY*365); /*%< Years */
+	for (i = 70; i < time.tm_year; i++)
+		if (isleap(1900+i))
+			result += SECS_PER_DAY; /*%< Add leapday for prev year */
+	return (result);
+}
+
+/* Private. */
+
+/*%
+ * Parse part of a date.  Set error flag if any error.
+ * Don't reset the flag if there is no error.
+ */
+static int
+datepart(const char *buf, int size, int min, int max, int *errp) {
+	int result = 0;
+	int i;
+
+	for (i = 0; i < size; i++) {
+		if (!isdigit((unsigned char)(buf[i])))
+			*errp = 1;
+		result = (result * 10) + buf[i] - '0';
+	}
+	if (result < min)
+		*errp = 1;
+	if (result > max)
+		*errp = 1;
+	return (result);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/nameser/ns_name.c b/usr/src/lib/libresolv2_joy/common/nameser/ns_name.c
new file mode 100644
index 0000000000..f6b0accef1
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/nameser/ns_name.c
@@ -0,0 +1,1153 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef lint
+static const char rcsid[] = "$Id: ns_name.c,v 1.11 2009/01/23 19:59:16 each Exp $";
+#endif
+
+#include "port_before.h"
+
+#include <sys/types.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <resolv_joy.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <limits.h>
+
+#include "port_after.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) ((size_t)sprintf x)
+#endif
+
+#define NS_TYPE_ELT			0x40 /*%< EDNS0 extended label type */
+#define DNS_LABELTYPE_BITSTRING		0x41
+
+/* Data. */
+
+static const char	digits[] = "0123456789";
+
+static const char digitvalue[256] = {
+	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,	/*16*/
+	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /*32*/
+	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /*48*/
+	 0,  1,  2,  3,  4,  5,  6,  7,  8,  9, -1, -1, -1, -1, -1, -1, /*64*/
+	-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /*80*/
+	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /*96*/
+	-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /*112*/
+	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /*128*/
+	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /*256*/
+};
+
+/* Forward. */
+
+static int		special(int);
+static int		printable(int);
+static int		dn_find(const u_char *, const u_char *,
+				const u_char * const *,
+				const u_char * const *);
+static int		encode_bitsring(const char **, const char *,
+					unsigned char **, unsigned char **,
+					unsigned const char *);
+static int		labellen(const u_char *);
+static int		decode_bitstring(const unsigned char **,
+					 char *, const char *);
+
+/* Public. */
+
+/*%
+ *	Convert an encoded domain name to printable ascii as per RFC1035.
+
+ * return:
+ *\li	Number of bytes written to buffer, or -1 (with errno set)
+ *
+ * notes:
+ *\li	The root is returned as "."
+ *\li	All other domains are returned in non absolute form
+ */
+int
+ns_name_ntop(const u_char *src, char *dst, size_t dstsiz)
+{
+	const u_char *cp;
+	char *dn, *eom;
+	u_char c;
+	u_int n;
+	int l;
+
+	cp = src;
+	dn = dst;
+	eom = dst + dstsiz;
+
+	while ((n = *cp++) != 0) {
+		if ((n & NS_CMPRSFLGS) == NS_CMPRSFLGS) {
+			/* Some kind of compression pointer. */
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		if (dn != dst) {
+			if (dn >= eom) {
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			*dn++ = '.';
+		}
+		if ((l = labellen(cp - 1)) < 0) {
+			errno = EMSGSIZE; /*%< XXX */
+			return (-1);
+		}
+		if (dn + l >= eom) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		if ((n & NS_CMPRSFLGS) == NS_TYPE_ELT) {
+			int m;
+
+			if (n != DNS_LABELTYPE_BITSTRING) {
+				/* XXX: labellen should reject this case */
+				errno = EINVAL;
+				return (-1);
+			}
+			if ((m = decode_bitstring(&cp, dn, eom)) < 0)
+			{
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			dn += m; 
+			continue;
+		}
+		for ((void)NULL; l > 0; l--) {
+			c = *cp++;
+			if (special(c)) {
+				if (dn + 1 >= eom) {
+					errno = EMSGSIZE;
+					return (-1);
+				}
+				*dn++ = '\\';
+				*dn++ = (char)c;
+			} else if (!printable(c)) {
+				if (dn + 3 >= eom) {
+					errno = EMSGSIZE;
+					return (-1);
+				}
+				*dn++ = '\\';
+				*dn++ = digits[c / 100];
+				*dn++ = digits[(c % 100) / 10];
+				*dn++ = digits[c % 10];
+			} else {
+				if (dn >= eom) {
+					errno = EMSGSIZE;
+					return (-1);
+				}
+				*dn++ = (char)c;
+			}
+		}
+	}
+	if (dn == dst) {
+		if (dn >= eom) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		*dn++ = '.';
+	}
+	if (dn >= eom) {
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	*dn++ = '\0';
+	return (dn - dst);
+}
+
+/*%
+ *	Convert a ascii string into an encoded domain name as per RFC1035.
+ *
+ * return:
+ *
+ *\li	-1 if it fails
+ *\li	1 if string was fully qualified
+ *\li	0 is string was not fully qualified
+ *
+ * notes:
+ *\li	Enforces label and domain length limits.
+ */
+int
+ns_name_pton(const char *src, u_char *dst, size_t dstsiz) {
+	return (ns_name_pton2(src, dst, dstsiz, NULL));
+}
+
+/*
+ * ns_name_pton2(src, dst, dstsiz, *dstlen)
+ *	Convert a ascii string into an encoded domain name as per RFC1035.
+ * return:
+ *	-1 if it fails
+ *	1 if string was fully qualified
+ *	0 is string was not fully qualified
+ * side effects:
+ *	fills in *dstlen (if non-NULL)
+ * notes:
+ *	Enforces label and domain length limits.
+ */
+int
+ns_name_pton2(const char *src, u_char *dst, size_t dstsiz, size_t *dstlen) {
+	u_char *label, *bp, *eom;
+	int c, n, escaped, e = 0;
+	char *cp;
+
+	escaped = 0;
+	bp = dst;
+	eom = dst + dstsiz;
+	label = bp++;
+
+	while ((c = *src++) != 0) {
+		if (escaped) {
+			if (c == '[') { /*%< start a bit string label */
+				if ((cp = strchr(src, ']')) == NULL) {
+					errno = EINVAL; /*%< ??? */
+					return (-1);
+				}
+				if ((e = encode_bitsring(&src, cp + 2,
+							 &label, &bp, eom))
+				    != 0) {
+					errno = e;
+					return (-1);
+				}
+				escaped = 0;
+				label = bp++;
+				if ((c = *src++) == 0)
+					goto done;
+				else if (c != '.') {
+					errno = EINVAL;
+					return	(-1);
+				}
+				continue;
+			}
+			else if ((cp = strchr(digits, c)) != NULL) {
+				n = (cp - digits) * 100;
+				if ((c = *src++) == 0 ||
+				    (cp = strchr(digits, c)) == NULL) {
+					errno = EMSGSIZE;
+					return (-1);
+				}
+				n += (cp - digits) * 10;
+				if ((c = *src++) == 0 ||
+				    (cp = strchr(digits, c)) == NULL) {
+					errno = EMSGSIZE;
+					return (-1);
+				}
+				n += (cp - digits);
+				if (n > 255) {
+					errno = EMSGSIZE;
+					return (-1);
+				}
+				c = n;
+			}
+			escaped = 0;
+		} else if (c == '\\') {
+			escaped = 1;
+			continue;
+		} else if (c == '.') {
+			c = (bp - label - 1);
+			if ((c & NS_CMPRSFLGS) != 0) {	/*%< Label too big. */
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			if (label >= eom) {
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			*label = c;
+			/* Fully qualified ? */
+			if (*src == '\0') {
+				if (c != 0) {
+					if (bp >= eom) {
+						errno = EMSGSIZE;
+						return (-1);
+					}
+					*bp++ = '\0';
+				}
+				if ((bp - dst) > MAXCDNAME) {
+					errno = EMSGSIZE;
+					return (-1);
+				}
+				if (dstlen != NULL)
+					*dstlen = (bp - dst);
+				return (1);
+			}
+			if (c == 0 || *src == '.') {
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			label = bp++;
+			continue;
+		}
+		if (bp >= eom) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		*bp++ = (u_char)c;
+	}
+	c = (bp - label - 1);
+	if ((c & NS_CMPRSFLGS) != 0) {		/*%< Label too big. */
+		errno = EMSGSIZE;
+		return (-1);
+	}
+  done:
+	if (label >= eom) {
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	*label = c;
+	if (c != 0) {
+		if (bp >= eom) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		*bp++ = 0;
+	}
+	if ((bp - dst) > MAXCDNAME) {	/*%< src too big */
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	if (dstlen != NULL)
+		*dstlen = (bp - dst);
+	return (0);
+}
+
+/*%
+ *	Convert a network strings labels into all lowercase.
+ *
+ * return:
+ *\li	Number of bytes written to buffer, or -1 (with errno set)
+ *
+ * notes:
+ *\li	Enforces label and domain length limits.
+ */
+
+int
+ns_name_ntol(const u_char *src, u_char *dst, size_t dstsiz)
+{
+	const u_char *cp;
+	u_char *dn, *eom;
+	u_char c;
+	u_int n;
+	int l;
+
+	cp = src;
+	dn = dst;
+	eom = dst + dstsiz;
+
+	if (dn >= eom) {
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	while ((n = *cp++) != 0) {
+		if ((n & NS_CMPRSFLGS) == NS_CMPRSFLGS) {
+			/* Some kind of compression pointer. */
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		*dn++ = n;
+		if ((l = labellen(cp - 1)) < 0) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		if (dn + l >= eom) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		for ((void)NULL; l > 0; l--) {
+			c = *cp++;
+			if (isascii(c) && isupper(c))
+				*dn++ = tolower(c);
+			else
+				*dn++ = c;
+		}
+	}
+	*dn++ = '\0';
+	return (dn - dst);
+}
+
+/*%
+ *	Unpack a domain name from a message, source may be compressed.
+ *
+ * return:
+ *\li	-1 if it fails, or consumed octets if it succeeds.
+ */
+int
+ns_name_unpack(const u_char *msg, const u_char *eom, const u_char *src,
+	       u_char *dst, size_t dstsiz)
+{
+	return (ns_name_unpack2(msg, eom, src, dst, dstsiz, NULL));
+}
+
+/*
+ * ns_name_unpack2(msg, eom, src, dst, dstsiz, *dstlen)
+ *	Unpack a domain name from a message, source may be compressed.
+ * return:
+ *	-1 if it fails, or consumed octets if it succeeds.
+ * side effect:
+ *	fills in *dstlen (if non-NULL).
+ */
+int
+ns_name_unpack2(const u_char *msg, const u_char *eom, const u_char *src,
+		u_char *dst, size_t dstsiz, size_t *dstlen)
+{
+	const u_char *srcp, *dstlim;
+	u_char *dstp;
+	int n, len, checked, l;
+
+	len = -1;
+	checked = 0;
+	dstp = dst;
+	srcp = src;
+	dstlim = dst + dstsiz;
+	if (srcp < msg || srcp >= eom) {
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	/* Fetch next label in domain name. */
+	while ((n = *srcp++) != 0) {
+		/* Check for indirection. */
+		switch (n & NS_CMPRSFLGS) {
+		case 0:
+		case NS_TYPE_ELT:
+			/* Limit checks. */
+			if ((l = labellen(srcp - 1)) < 0) {
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			if (dstp + l + 1 >= dstlim || srcp + l >= eom) {
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			checked += l + 1;
+			*dstp++ = n;
+			memcpy(dstp, srcp, l);
+			dstp += l;
+			srcp += l;
+			break;
+
+		case NS_CMPRSFLGS:
+			if (srcp >= eom) {
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			if (len < 0)
+				len = srcp - src + 1;
+			srcp = msg + (((n & 0x3f) << 8) | (*srcp & 0xff));
+			if (srcp < msg || srcp >= eom) {  /*%< Out of range. */
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			checked += 2;
+			/*
+			 * Check for loops in the compressed name;
+			 * if we've looked at the whole message,
+			 * there must be a loop.
+			 */
+			if (checked >= eom - msg) {
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			break;
+
+		default:
+			errno = EMSGSIZE;
+			return (-1);			/*%< flag error */
+		}
+	}
+	*dstp++ = 0;
+	if (dstlen != NULL)
+		*dstlen = dstp - dst;
+	if (len < 0)
+		len = srcp - src;
+	return (len);
+}
+
+/*%
+ *	Pack domain name 'domain' into 'comp_dn'.
+ *
+ * return:
+ *\li	Size of the compressed name, or -1.
+ *
+ * notes:
+ *\li	'dnptrs' is an array of pointers to previous compressed names.
+ *\li	dnptrs[0] is a pointer to the beginning of the message. The array
+ *	ends with NULL.
+ *\li	'lastdnptr' is a pointer to the end of the array pointed to
+ *	by 'dnptrs'.
+ *
+ * Side effects:
+ *\li	The list of pointers in dnptrs is updated for labels inserted into
+ *	the message as we compress the name.  If 'dnptr' is NULL, we don't
+ *	try to compress names. If 'lastdnptr' is NULL, we don't update the
+ *	list.
+ */
+int
+ns_name_pack(const u_char *src, u_char *dst, int dstsiz,
+	     const u_char **dnptrs, const u_char **lastdnptr)
+{
+	u_char *dstp;
+	const u_char **cpp, **lpp, *eob, *msg;
+	const u_char *srcp;
+	int n, l, first = 1;
+
+	srcp = src;
+	dstp = dst;
+	eob = dstp + dstsiz;
+	lpp = cpp = NULL;
+	if (dnptrs != NULL) {
+		if ((msg = *dnptrs++) != NULL) {
+			for (cpp = dnptrs; *cpp != NULL; cpp++)
+				(void)NULL;
+			lpp = cpp;	/*%< end of list to search */
+		}
+	} else
+		msg = NULL;
+
+	/* make sure the domain we are about to add is legal */
+	l = 0;
+	do {
+		int l0;
+
+		n = *srcp;
+		if ((n & NS_CMPRSFLGS) == NS_CMPRSFLGS) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		if ((l0 = labellen(srcp)) < 0) {
+			errno = EINVAL;
+			return (-1);
+		}
+		l += l0 + 1;
+		if (l > MAXCDNAME) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		srcp += l0 + 1;
+	} while (n != 0);
+
+	/* from here on we need to reset compression pointer array on error */
+	srcp = src;
+	do {
+		/* Look to see if we can use pointers. */
+		n = *srcp;
+		if (n != 0 && msg != NULL) {
+			l = dn_find(srcp, msg, (const u_char * const *)dnptrs,
+				    (const u_char * const *)lpp);
+			if (l >= 0) {
+				if (dstp + 1 >= eob) {
+					goto cleanup;
+				}
+				*dstp++ = (l >> 8) | NS_CMPRSFLGS;
+				*dstp++ = l % 256;
+				return (dstp - dst);
+			}
+			/* Not found, save it. */
+			if (lastdnptr != NULL && cpp < lastdnptr - 1 &&
+			    (dstp - msg) < 0x4000 && first) {
+				*cpp++ = dstp;
+				*cpp = NULL;
+				first = 0;
+			}
+		}
+		/* copy label to buffer */
+		if ((n & NS_CMPRSFLGS) == NS_CMPRSFLGS) {
+			/* Should not happen. */
+			goto cleanup;
+		}
+		n = labellen(srcp);
+		if (dstp + 1 + n >= eob) {
+			goto cleanup;
+		}
+		memcpy(dstp, srcp, n + 1);
+		srcp += n + 1;
+		dstp += n + 1;
+	} while (n != 0);
+
+	if (dstp > eob) {
+cleanup:
+		if (msg != NULL)
+			*lpp = NULL;
+		errno = EMSGSIZE;
+		return (-1);
+	} 
+	return (dstp - dst);
+}
+
+/*%
+ *	Expand compressed domain name to presentation format.
+ *
+ * return:
+ *\li	Number of bytes read out of `src', or -1 (with errno set).
+ *
+ * note:
+ *\li	Root domain returns as "." not "".
+ */
+int
+ns_name_uncompress(const u_char *msg, const u_char *eom, const u_char *src,
+		   char *dst, size_t dstsiz)
+{
+	u_char tmp[NS_MAXCDNAME];
+	int n;
+	
+	if ((n = ns_name_unpack(msg, eom, src, tmp, sizeof tmp)) == -1)
+		return (-1);
+	if (ns_name_ntop(tmp, dst, dstsiz) == -1)
+		return (-1);
+	return (n);
+}
+
+/*%
+ *	Compress a domain name into wire format, using compression pointers.
+ *
+ * return:
+ *\li	Number of bytes consumed in `dst' or -1 (with errno set).
+ *
+ * notes:
+ *\li	'dnptrs' is an array of pointers to previous compressed names.
+ *\li	dnptrs[0] is a pointer to the beginning of the message.
+ *\li	The list ends with NULL.  'lastdnptr' is a pointer to the end of the
+ *	array pointed to by 'dnptrs'. Side effect is to update the list of
+ *	pointers for labels inserted into the message as we compress the name.
+ *\li	If 'dnptr' is NULL, we don't try to compress names. If 'lastdnptr'
+ *	is NULL, we don't update the list.
+ */
+int
+ns_name_compress(const char *src, u_char *dst, size_t dstsiz,
+		 const u_char **dnptrs, const u_char **lastdnptr)
+{
+	u_char tmp[NS_MAXCDNAME];
+
+	if (ns_name_pton(src, tmp, sizeof tmp) == -1)
+		return (-1);
+	return (ns_name_pack(tmp, dst, dstsiz, dnptrs, lastdnptr));
+}
+
+/*%
+ * Reset dnptrs so that there are no active references to pointers at or
+ * after src.
+ */
+void
+ns_name_rollback(const u_char *src, const u_char **dnptrs,
+		 const u_char **lastdnptr)
+{
+	while (dnptrs < lastdnptr && *dnptrs != NULL) {
+		if (*dnptrs >= src) {
+			*dnptrs = NULL;
+			break;
+		}
+		dnptrs++;
+	}
+}
+
+/*%
+ *	Advance *ptrptr to skip over the compressed name it points at.
+ *
+ * return:
+ *\li	0 on success, -1 (with errno set) on failure.
+ */
+int
+ns_name_skip(const u_char **ptrptr, const u_char *eom)
+{
+	const u_char *cp;
+	u_int n;
+	int l;
+
+	cp = *ptrptr;
+	while (cp < eom && (n = *cp++) != 0) {
+		/* Check for indirection. */
+		switch (n & NS_CMPRSFLGS) {
+		case 0:			/*%< normal case, n == len */
+			cp += n;
+			continue;
+		case NS_TYPE_ELT: /*%< EDNS0 extended label */
+			if ((l = labellen(cp - 1)) < 0) {
+				errno = EMSGSIZE; /*%< XXX */
+				return (-1);
+			}
+			cp += l;
+			continue;
+		case NS_CMPRSFLGS:	/*%< indirection */
+			cp++;
+			break;
+		default:		/*%< illegal type */
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		break;
+	}
+	if (cp > eom) {
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	*ptrptr = cp;
+	return (0);
+}
+
+/* Find the number of octets an nname takes up, including the root label.
+ * (This is basically ns_name_skip() without compression-pointer support.)
+ * ((NOTE: can only return zero if passed-in namesiz argument is zero.))
+ */
+ssize_t
+ns_name_length(ns_nname_ct nname, size_t namesiz) {
+	ns_nname_ct orig = nname;
+	u_int n;
+
+	while (namesiz-- > 0 && (n = *nname++) != 0) {
+		if ((n & NS_CMPRSFLGS) != 0) {
+			errno = EISDIR;
+			return (-1);
+		}
+		if (n > namesiz) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		nname += n;
+		namesiz -= n;
+	}
+	return (nname - orig);
+}
+
+/* Compare two nname's for equality.  Return -1 on error (setting errno).
+ */
+int
+ns_name_eq(ns_nname_ct a, size_t as, ns_nname_ct b, size_t bs) {
+	ns_nname_ct ae = a + as, be = b + bs;
+	int ac, bc;
+
+	while (ac = *a, bc = *b, ac != 0 && bc != 0) {
+		if ((ac & NS_CMPRSFLGS) != 0 || (bc & NS_CMPRSFLGS) != 0) {
+			errno = EISDIR;
+			return (-1);
+		}
+		if (a + ac >= ae || b + bc >= be) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		if (ac != bc || strncasecmp((const char *) ++a,
+					    (const char *) ++b, ac) != 0)
+			return (0);
+		a += ac, b += bc;
+	}
+	return (ac == 0 && bc == 0);
+}
+
+/* Is domain "A" owned by (at or below) domain "B"?
+ */
+int
+ns_name_owned(ns_namemap_ct a, int an, ns_namemap_ct b, int bn) {
+	/* If A is shorter, it cannot be owned by B. */
+	if (an < bn)
+		return (0);
+
+	/* If they are unequal before the length of the shorter, A cannot... */
+	while (bn > 0) {
+		if (a->len != b->len ||
+		    strncasecmp((const char *) a->base,
+				(const char *) b->base, a->len) != 0)
+			return (0);
+		a++, an--;
+		b++, bn--;
+	}
+
+	/* A might be longer or not, but either way, B owns it. */
+	return (1);
+}
+
+/* Build an array of <base,len> tuples from an nname, top-down order.
+ * Return the number of tuples (labels) thus discovered.
+ */
+int
+ns_name_map(ns_nname_ct nname, size_t namelen, ns_namemap_t map, int mapsize) {
+	u_int n;
+	int l;
+
+	n = *nname++;
+	namelen--;
+
+	/* Root zone? */
+	if (n == 0) {
+		/* Extra data follows name? */
+		if (namelen > 0) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		return (0);
+	}
+
+	/* Compression pointer? */
+	if ((n & NS_CMPRSFLGS) != 0) {
+		errno = EISDIR;
+		return (-1);
+	}
+
+	/* Label too long? */
+	if (n > namelen) {
+		errno = EMSGSIZE;
+		return (-1);
+	}
+
+	/* Recurse to get rest of name done first. */
+	l = ns_name_map(nname + n, namelen - n, map, mapsize);
+	if (l < 0)
+		return (-1);
+
+	/* Too many labels? */
+	if (l >= mapsize) {
+		errno = ENAMETOOLONG;
+		return (-1);
+	}
+
+	/* We're on our way back up-stack, store current map data. */
+	map[l].base = nname;
+	map[l].len = n;
+	return (l + 1);
+}
+
+/* Count the labels in a domain name.  Root counts, so COM. has two.  This
+ * is to make the result comparable to the result of ns_name_map().
+ */
+int
+ns_name_labels(ns_nname_ct nname, size_t namesiz) {
+	int ret = 0;
+	u_int n;
+
+	while (namesiz-- > 0 && (n = *nname++) != 0) {
+		if ((n & NS_CMPRSFLGS) != 0) {
+			errno = EISDIR;
+			return (-1);
+		}
+		if (n > namesiz) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		nname += n;
+		namesiz -= n;
+		ret++;
+	}
+	return (ret + 1);
+}
+
+/* Private. */
+
+/*%
+ *	Thinking in noninternationalized USASCII (per the DNS spec),
+ *	is this characted special ("in need of quoting") ?
+ *
+ * return:
+ *\li	boolean.
+ */
+static int
+special(int ch) {
+	switch (ch) {
+	case 0x22: /*%< '"' */
+	case 0x2E: /*%< '.' */
+	case 0x3B: /*%< ';' */
+	case 0x5C: /*%< '\\' */
+	case 0x28: /*%< '(' */
+	case 0x29: /*%< ')' */
+	/* Special modifiers in zone files. */
+	case 0x40: /*%< '@' */
+	case 0x24: /*%< '$' */
+		return (1);
+	default:
+		return (0);
+	}
+}
+
+/*%
+ *	Thinking in noninternationalized USASCII (per the DNS spec),
+ *	is this character visible and not a space when printed ?
+ *
+ * return:
+ *\li	boolean.
+ */
+static int
+printable(int ch) {
+	return (ch > 0x20 && ch < 0x7f);
+}
+
+/*%
+ *	Thinking in noninternationalized USASCII (per the DNS spec),
+ *	convert this character to lower case if it's upper case.
+ */
+static int
+mklower(int ch) {
+	if (ch >= 0x41 && ch <= 0x5A)
+		return (ch + 0x20);
+	return (ch);
+}
+
+/*%
+ *	Search for the counted-label name in an array of compressed names.
+ *
+ * return:
+ *\li	offset from msg if found, or -1.
+ *
+ * notes:
+ *\li	dnptrs is the pointer to the first name on the list,
+ *\li	not the pointer to the start of the message.
+ */
+static int
+dn_find(const u_char *domain, const u_char *msg,
+	const u_char * const *dnptrs,
+	const u_char * const *lastdnptr)
+{
+	const u_char *dn, *cp, *sp;
+	const u_char * const *cpp;
+	u_int n;
+
+	for (cpp = dnptrs; cpp < lastdnptr; cpp++) {
+		sp = *cpp;
+		/*
+		 * terminate search on:
+		 * root label
+		 * compression pointer
+		 * unusable offset
+		 */
+		while (*sp != 0 && (*sp & NS_CMPRSFLGS) == 0 &&
+		       (sp - msg) < 0x4000) {
+			dn = domain;
+			cp = sp;
+			while ((n = *cp++) != 0) {
+				/*
+				 * check for indirection
+				 */
+				switch (n & NS_CMPRSFLGS) {
+				case 0:		/*%< normal case, n == len */
+					n = labellen(cp - 1); /*%< XXX */
+					if (n != *dn++)
+						goto next;
+
+					for ((void)NULL; n > 0; n--)
+						if (mklower(*dn++) !=
+						    mklower(*cp++))
+							goto next;
+					/* Is next root for both ? */
+					if (*dn == '\0' && *cp == '\0')
+						return (sp - msg);
+					if (*dn)
+						continue;
+					goto next;
+				case NS_CMPRSFLGS:	/*%< indirection */
+					cp = msg + (((n & 0x3f) << 8) | *cp);
+					break;
+
+				default:	/*%< illegal type */
+					errno = EMSGSIZE;
+					return (-1);
+				}
+			}
+ next: ;
+			sp += *sp + 1;
+		}
+	}
+	errno = ENOENT;
+	return (-1);
+}
+
+static int
+decode_bitstring(const unsigned char **cpp, char *dn, const char *eom)
+{
+	const unsigned char *cp = *cpp;
+	char *beg = dn, tc;
+	int b, blen, plen, i;
+
+	if ((blen = (*cp & 0xff)) == 0)
+		blen = 256;
+	plen = (blen + 3) / 4;
+	plen += sizeof("\\[x/]") + (blen > 99 ? 3 : (blen > 9) ? 2 : 1);
+	if (dn + plen >= eom)
+		return (-1);
+
+	cp++;
+	i = SPRINTF((dn, "\\[x"));
+	if (i < 0)
+		return (-1);
+	dn += i;
+	for (b = blen; b > 7; b -= 8, cp++) {
+		i = SPRINTF((dn, "%02x", *cp & 0xff));
+		if (i < 0)
+			return (-1);
+		dn += i;
+	}
+	if (b > 4) {
+		tc = *cp++;
+		i = SPRINTF((dn, "%02x", tc & (0xff << (8 - b))));
+		if (i < 0)
+			return (-1);
+		dn += i;
+	} else if (b > 0) {
+		tc = *cp++;
+		i = SPRINTF((dn, "%1x",
+			       ((tc >> 4) & 0x0f) & (0x0f << (4 - b)))); 
+		if (i < 0)
+			return (-1);
+		dn += i;
+	}
+	i = SPRINTF((dn, "/%d]", blen));
+	if (i < 0)
+		return (-1);
+	dn += i;
+
+	*cpp = cp;
+	return (dn - beg);
+}
+
+static int
+encode_bitsring(const char **bp, const char *end, unsigned char **labelp,
+		unsigned char ** dst, unsigned const char *eom)
+{
+	int afterslash = 0;
+	const char *cp = *bp;
+	unsigned char *tp;
+	char c;
+	const char *beg_blen;
+	char *end_blen = NULL;
+	int value = 0, count = 0, tbcount = 0, blen = 0;
+
+	beg_blen = end_blen = NULL;
+
+	/* a bitstring must contain at least 2 characters */
+	if (end - cp < 2)
+		return (EINVAL);
+
+	/* XXX: currently, only hex strings are supported */
+	if (*cp++ != 'x')
+		return (EINVAL);
+	if (!isxdigit((*cp) & 0xff)) /*%< reject '\[x/BLEN]' */
+		return (EINVAL);
+
+	for (tp = *dst + 1; cp < end && tp < eom; cp++) {
+		switch((c = *cp)) {
+		case ']':	/*%< end of the bitstring */
+			if (afterslash) {
+				if (beg_blen == NULL)
+					return (EINVAL);
+				blen = (int)strtol(beg_blen, &end_blen, 10);
+				if (*end_blen != ']')
+					return (EINVAL);
+			}
+			if (count)
+				*tp++ = ((value << 4) & 0xff);
+			cp++;	/*%< skip ']' */
+			goto done;
+		case '/':
+			afterslash = 1;
+			break;
+		default:
+			if (afterslash) {
+				if (!isdigit(c&0xff))
+					return (EINVAL);
+				if (beg_blen == NULL) {
+					
+					if (c == '0') {
+						/* blen never begings with 0 */
+						return (EINVAL);
+					}
+					beg_blen = cp;
+				}
+			} else {
+				if (!isxdigit(c&0xff))
+					return (EINVAL);
+				value <<= 4;
+				value += digitvalue[(int)c];
+				count += 4;
+				tbcount += 4;
+				if (tbcount > 256)
+					return (EINVAL);
+				if (count == 8) {
+					*tp++ = value;
+					count = 0;
+				}
+			}
+			break;
+		}
+	}
+  done:
+	if (cp >= end || tp >= eom)
+		return (EMSGSIZE);
+
+	/*
+	 * bit length validation:
+	 * If a <length> is present, the number of digits in the <bit-data>
+	 * MUST be just sufficient to contain the number of bits specified
+	 * by the <length>. If there are insignificant bits in a final
+	 * hexadecimal or octal digit, they MUST be zero.
+	 * RFC2673, Section 3.2.
+	 */
+	if (blen > 0) {
+		int traillen;
+
+		if (((blen + 3) & ~3) != tbcount)
+			return (EINVAL);
+		traillen = tbcount - blen; /*%< between 0 and 3 */
+		if (((value << (8 - traillen)) & 0xff) != 0)
+			return (EINVAL);
+	}
+	else
+		blen = tbcount;
+	if (blen == 256)
+		blen = 0;
+
+	/* encode the type and the significant bit fields */
+	**labelp = DNS_LABELTYPE_BITSTRING;
+	**dst = blen;
+
+	*bp = cp;
+	*dst = tp;
+
+	return (0);
+}
+
+static int
+labellen(const u_char *lp)
+{
+	int bitlen;
+	u_char l = *lp;
+
+	if ((l & NS_CMPRSFLGS) == NS_CMPRSFLGS) {
+		/* should be avoided by the caller */
+		return (-1);
+	}
+
+	if ((l & NS_CMPRSFLGS) == NS_TYPE_ELT) {
+		if (l == DNS_LABELTYPE_BITSTRING) {
+			if ((bitlen = *(lp + 1)) == 0)
+				bitlen = 256;
+			return ((bitlen + 7 ) / 8 + 1);
+		}
+		return (-1);	/*%< unknwon ELT */
+	}
+	return (l);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/nameser/ns_netint.c b/usr/src/lib/libresolv2_joy/common/nameser/ns_netint.c
new file mode 100644
index 0000000000..e196217f9b
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/nameser/ns_netint.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef lint
+static const char rcsid[] = "$Id: ns_netint.c,v 1.3 2005/04/27 04:56:40 sra Exp $";
+#endif
+
+/* Import. */
+
+#include "port_before.h"
+
+#include <arpa/nameser.h>
+
+#include "port_after.h"
+
+#pragma redefine_extname __ns_get16 __joy_ns_get16
+#pragma redefine_extname __ns_get32 __joy_ns_get32
+
+/* Public. */
+
+u_int
+ns_get16(const u_char *src) {
+	u_int dst;
+
+	NS_GET16(dst, src);
+	return (dst);
+}
+
+u_long
+ns_get32(const u_char *src) {
+	u_long dst;
+
+	NS_GET32(dst, src);
+	return (dst);
+}
+
+void
+ns_put16(u_int src, u_char *dst) {
+	NS_PUT16(src, dst);
+}
+
+void
+ns_put32(u_long src, u_char *dst) {
+	NS_PUT32(src, dst);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/nameser/ns_newmsg.c b/usr/src/lib/libresolv2_joy/common/nameser/ns_newmsg.c
new file mode 100644
index 0000000000..c18dd060e1
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/nameser/ns_newmsg.c
@@ -0,0 +1,273 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef lint
+static const char rcsid[] = "$Id: ns_newmsg.c,v 1.3 2009/02/26 10:48:57 marka Exp $";
+#endif
+
+#include <port_before.h>
+
+#include <arpa/nameser.h>
+
+#include <assert.h>
+#include <errno.h>
+#include <string.h>
+
+#include <port_after.h>
+
+static int	rdcpy(ns_newmsg *, ns_type, const u_char *, size_t);
+
+/* Initialize a "newmsg" object to empty.
+ */
+int
+ns_newmsg_init(u_char *buffer, size_t bufsiz, ns_newmsg *handle) {
+	ns_msg *msg = &handle->msg;
+
+	memset(handle, 0, sizeof *handle);
+	msg->_msg = buffer;
+	msg->_eom = buffer + bufsiz;
+	msg->_sect = ns_s_qd;
+	msg->_rrnum = 0;
+	msg->_msg_ptr = buffer + NS_HFIXEDSZ;
+	handle->dnptrs[0] = msg->_msg;
+	handle->dnptrs[1] = NULL;
+	handle->lastdnptr = &handle->dnptrs[sizeof handle->dnptrs /
+					    sizeof handle->dnptrs[0] - 1];
+	return (0);
+}
+
+/* Initialize a "newmsg" object by copying an existing parsed message.
+ */
+int
+ns_newmsg_copy(ns_newmsg *handle, ns_msg *msg) {
+	ns_flag flag;
+	ns_sect sect;
+
+	ns_newmsg_id(handle, ns_msg_id(*msg));
+	for (flag = ns_f_qr; flag < ns_f_max; flag++)
+		ns_newmsg_flag(handle, flag, ns_msg_getflag(*msg, flag));
+	for (sect = ns_s_qd; sect < ns_s_max; sect++) {
+		int i, count;
+
+		count = ns_msg_count(*msg, sect);
+		for (i = 0; i < count; i++) {
+			ns_rr2 rr;
+			int x;
+
+			if (ns_parserr2(msg, sect, i, &rr) < 0)
+				return (-1);
+			if (sect == ns_s_qd)
+				x = ns_newmsg_q(handle,
+						ns_rr_nname(rr),
+						ns_rr_type(rr),
+						ns_rr_class(rr));
+			else
+				x = ns_newmsg_rr(handle, sect,
+						 ns_rr_nname(rr),
+						 ns_rr_type(rr),
+						 ns_rr_class(rr),
+						 ns_rr_ttl(rr),
+						 ns_rr_rdlen(rr),
+						 ns_rr_rdata(rr));
+			if (x < 0)
+				return (-1);
+		}
+	}
+	return (0);
+}
+
+/* Set the message-ID in a "newmsg" object.
+ */
+void
+ns_newmsg_id(ns_newmsg *handle, u_int16_t id) {
+	ns_msg *msg = &handle->msg;
+
+	msg->_id = id;
+}
+
+/* Set a flag (including rcode or opcode) in a "newmsg" object.
+ */
+void
+ns_newmsg_flag(ns_newmsg *handle, ns_flag flag, u_int value) {
+	extern struct _ns_flagdata _ns_flagdata[16];
+	struct _ns_flagdata *fd = &_ns_flagdata[flag];
+	ns_msg *msg = &handle->msg;
+
+	assert(flag < ns_f_max);
+	msg->_flags &= (~fd->mask);
+	msg->_flags |= (value << fd->shift);
+}
+
+/* Add a question (or zone, if it's an update) to a "newmsg" object.
+ */
+int
+ns_newmsg_q(ns_newmsg *handle, ns_nname_ct qname,
+	    ns_type qtype, ns_class qclass)
+{
+	ns_msg *msg = &handle->msg;
+	u_char *t;
+	int n;
+
+	if (msg->_sect != ns_s_qd) {
+		errno = ENODEV;
+		return (-1);
+	}
+	t = (u_char *) (unsigned long) msg->_msg_ptr;
+	if (msg->_rrnum == 0)
+		msg->_sections[ns_s_qd] = t;
+	n = ns_name_pack(qname, t, msg->_eom - t,
+			 handle->dnptrs, handle->lastdnptr);
+	if (n < 0)
+		return (-1);
+	t += n;
+	if (t + QFIXEDSZ >= msg->_eom) {
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	NS_PUT16(qtype, t);
+	NS_PUT16(qclass, t);
+	msg->_msg_ptr = t;
+	msg->_counts[ns_s_qd] = ++msg->_rrnum;
+	return (0);
+}
+
+/* Add an RR to a "newmsg" object.
+ */
+int
+ns_newmsg_rr(ns_newmsg *handle, ns_sect sect,
+	     ns_nname_ct name, ns_type type,
+	     ns_class rr_class, u_int32_t ttl,
+	     u_int16_t rdlen, const u_char *rdata)
+{
+	ns_msg *msg = &handle->msg;
+	u_char *t;
+	int n;
+
+	if (sect < msg->_sect) {
+		errno = ENODEV;
+		return (-1);
+	}
+	t = (u_char *) (unsigned long) msg->_msg_ptr;
+	if (sect > msg->_sect) {
+		msg->_sect = sect;
+		msg->_sections[sect] = t;
+		msg->_rrnum = 0;
+	}
+	n = ns_name_pack(name, t, msg->_eom - t,
+			 handle->dnptrs, handle->lastdnptr);
+	if (n < 0)
+		return (-1);
+	t += n;
+	if (t + RRFIXEDSZ + rdlen >= msg->_eom) {
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	NS_PUT16(type, t);
+	NS_PUT16(rr_class, t);
+	NS_PUT32(ttl, t);
+	msg->_msg_ptr = t;
+	if (rdcpy(handle, type, rdata, rdlen) < 0)
+		return (-1);
+	msg->_counts[sect] = ++msg->_rrnum;
+	return (0);
+}
+
+/* Complete a "newmsg" object and return its size for use in write().
+ * (Note: the "newmsg" object is also made ready for ns_parserr() etc.)
+ */
+size_t
+ns_newmsg_done(ns_newmsg *handle) {
+	ns_msg *msg = &handle->msg;
+	ns_sect sect;
+	u_char *t;
+
+	t = (u_char *) (unsigned long) msg->_msg;
+	NS_PUT16(msg->_id, t);
+	NS_PUT16(msg->_flags, t);
+	for (sect = 0; sect < ns_s_max; sect++)
+		NS_PUT16(msg->_counts[sect], t);
+	msg->_eom = msg->_msg_ptr;
+	msg->_sect = ns_s_max;
+	msg->_rrnum = -1;
+	msg->_msg_ptr = NULL;
+	return (msg->_eom - msg->_msg);
+}
+
+/* Private. */
+
+/* Copy an RDATA, using compression pointers where RFC1035 permits.
+ */
+static int
+rdcpy(ns_newmsg *handle, ns_type type, const u_char *rdata, size_t rdlen) {
+	ns_msg *msg = &handle->msg;
+	u_char *p = (u_char *) (unsigned long) msg->_msg_ptr;
+	u_char *t = p + NS_INT16SZ;
+	u_char *s = t;
+	int n;
+
+	switch (type) {
+	case ns_t_soa:
+		/* MNAME. */
+		n = ns_name_pack(rdata, t, msg->_eom - t,
+				 handle->dnptrs, handle->lastdnptr);
+		if (n < 0)
+			return (-1);
+		t += n;
+		if (ns_name_skip(&rdata, msg->_eom) < 0)
+			return (-1);
+
+		/* ANAME. */
+		n = ns_name_pack(rdata, t, msg->_eom - t,
+				 handle->dnptrs, handle->lastdnptr);
+		if (n < 0)
+			return (-1);
+		t += n;
+		if (ns_name_skip(&rdata, msg->_eom) < 0)
+			return (-1);
+
+		/* Serial, Refresh, Retry, Expiry, and Minimum. */
+		if ((msg->_eom - t) < (NS_INT32SZ * 5)) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		memcpy(t, rdata, NS_INT32SZ * 5);
+		t += (NS_INT32SZ * 5);
+		break;
+	case ns_t_ptr:
+	case ns_t_cname:
+	case ns_t_ns:
+		/* PTRDNAME, CNAME, or NSDNAME. */
+		n = ns_name_pack(rdata, t, msg->_eom - t,
+				 handle->dnptrs, handle->lastdnptr);
+		if (n < 0)
+			return (-1);
+		t += n;
+		break;
+	default:
+		memcpy(t, rdata, rdlen);
+		t += rdlen;
+	}
+	NS_PUT16(t - s, p);
+	msg->_msg_ptr = t;
+	return (0);
+}
+
diff --git a/usr/src/lib/libresolv2_joy/common/nameser/ns_parse.c b/usr/src/lib/libresolv2_joy/common/nameser/ns_parse.c
new file mode 100644
index 0000000000..ba11eea707
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/nameser/ns_parse.c
@@ -0,0 +1,275 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef lint
+static const char rcsid[] = "$Id: ns_parse.c,v 1.10 2009/01/23 19:59:16 each Exp $";
+#endif
+
+/* Import. */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <resolv_joy.h>
+#include <string.h>
+
+#include "port_after.h"
+
+/* Forward. */
+
+static void	setsection(ns_msg *msg, ns_sect sect);
+
+/* Macros. */
+
+#if !defined(SOLARIS2) || defined(__COVERITY__)
+#define RETERR(err) do { errno = (err); return (-1); } while (0)
+#else
+#define RETERR(err) \
+	do { errno = (err); if (errno == errno) return (-1); } while (0)
+#endif
+
+#define PARSE_FMT_PRESO 0	/* Parse using presentation-format names */
+#define PARSE_FMT_WIRE 1	/* Parse using network-format names */
+
+/* Public. */
+
+/* These need to be in the same order as the nres.h:ns_flag enum. */
+struct _ns_flagdata _ns_flagdata[16] = {
+	{ 0x8000, 15 },		/*%< qr. */
+	{ 0x7800, 11 },		/*%< opcode. */
+	{ 0x0400, 10 },		/*%< aa. */
+	{ 0x0200, 9 },		/*%< tc. */
+	{ 0x0100, 8 },		/*%< rd. */
+	{ 0x0080, 7 },		/*%< ra. */
+	{ 0x0040, 6 },		/*%< z. */
+	{ 0x0020, 5 },		/*%< ad. */
+	{ 0x0010, 4 },		/*%< cd. */
+	{ 0x000f, 0 },		/*%< rcode. */
+	{ 0x0000, 0 },		/*%< expansion (1/6). */
+	{ 0x0000, 0 },		/*%< expansion (2/6). */
+	{ 0x0000, 0 },		/*%< expansion (3/6). */
+	{ 0x0000, 0 },		/*%< expansion (4/6). */
+	{ 0x0000, 0 },		/*%< expansion (5/6). */
+	{ 0x0000, 0 },		/*%< expansion (6/6). */
+};
+
+int ns_msg_getflag(ns_msg handle, int flag) {
+	return(((handle)._flags & _ns_flagdata[flag].mask) >> _ns_flagdata[flag].shift);
+}
+
+int
+ns_skiprr(const u_char *ptr, const u_char *eom, ns_sect section, int count) {
+	const u_char *optr = ptr;
+
+	for ((void)NULL; count > 0; count--) {
+		int b, rdlength;
+
+		b = dn_skipname(ptr, eom);
+		if (b < 0)
+			RETERR(EMSGSIZE);
+		ptr += b/*Name*/ + NS_INT16SZ/*Type*/ + NS_INT16SZ/*Class*/;
+		if (section != ns_s_qd) {
+			if (ptr + NS_INT32SZ + NS_INT16SZ > eom)
+				RETERR(EMSGSIZE);
+			ptr += NS_INT32SZ/*TTL*/;
+			NS_GET16(rdlength, ptr);
+			ptr += rdlength/*RData*/;
+		}
+	}
+	if (ptr > eom)
+		RETERR(EMSGSIZE);
+	return (ptr - optr);
+}
+
+int
+ns_initparse(const u_char *msg, int msglen, ns_msg *handle) {
+	const u_char *eom = msg + msglen;
+	int i;
+
+	handle->_msg = msg;
+	handle->_eom = eom;
+	if (msg + NS_INT16SZ > eom)
+		RETERR(EMSGSIZE);
+	NS_GET16(handle->_id, msg);
+	if (msg + NS_INT16SZ > eom)
+		RETERR(EMSGSIZE);
+	NS_GET16(handle->_flags, msg);
+	for (i = 0; i < ns_s_max; i++) {
+		if (msg + NS_INT16SZ > eom)
+			RETERR(EMSGSIZE);
+		NS_GET16(handle->_counts[i], msg);
+	}
+	for (i = 0; i < ns_s_max; i++)
+		if (handle->_counts[i] == 0)
+			handle->_sections[i] = NULL;
+		else {
+			int b = ns_skiprr(msg, eom, (ns_sect)i,
+					  handle->_counts[i]);
+
+			if (b < 0)
+				return (-1);
+			handle->_sections[i] = msg;
+			msg += b;
+		}
+	if (msg != eom)
+		RETERR(EMSGSIZE);
+	setsection(handle, ns_s_max);
+	return (0);
+}
+
+int
+ns_parserr(ns_msg *handle, ns_sect section, int rrnum, ns_rr *rr) {
+	int b;
+	int tmp;
+
+	/* Make section right. */
+	tmp = section;
+	if (tmp < 0 || section >= ns_s_max)
+		RETERR(ENODEV);
+	if (section != handle->_sect)
+		setsection(handle, section);
+
+	/* Make rrnum right. */
+	if (rrnum == -1)
+		rrnum = handle->_rrnum;
+	if (rrnum < 0 || rrnum >= handle->_counts[(int)section])
+		RETERR(ENODEV);
+	if (rrnum < handle->_rrnum)
+		setsection(handle, section);
+	if (rrnum > handle->_rrnum) {
+		b = ns_skiprr(handle->_msg_ptr, handle->_eom, section,
+			      rrnum - handle->_rrnum);
+
+		if (b < 0)
+			return (-1);
+		handle->_msg_ptr += b;
+		handle->_rrnum = rrnum;
+	}
+
+	/* Do the parse. */
+	b = dn_expand(handle->_msg, handle->_eom,
+		      handle->_msg_ptr, rr->name, NS_MAXDNAME);
+	if (b < 0)
+		return (-1);
+	handle->_msg_ptr += b;
+	if (handle->_msg_ptr + NS_INT16SZ + NS_INT16SZ > handle->_eom)
+		RETERR(EMSGSIZE);
+	NS_GET16(rr->type, handle->_msg_ptr);
+	NS_GET16(rr->rr_class, handle->_msg_ptr);
+	if (section == ns_s_qd) {
+		rr->ttl = 0;
+		rr->rdlength = 0;
+		rr->rdata = NULL;
+	} else {
+		if (handle->_msg_ptr + NS_INT32SZ + NS_INT16SZ > handle->_eom)
+			RETERR(EMSGSIZE);
+		NS_GET32(rr->ttl, handle->_msg_ptr);
+		NS_GET16(rr->rdlength, handle->_msg_ptr);
+		if (handle->_msg_ptr + rr->rdlength > handle->_eom)
+			RETERR(EMSGSIZE);
+		rr->rdata = handle->_msg_ptr;
+		handle->_msg_ptr += rr->rdlength;
+	}
+	if (++handle->_rrnum > handle->_counts[(int)section])
+		setsection(handle, (ns_sect)((int)section + 1));
+
+	/* All done. */
+	return (0);
+}
+
+/*
+ * This is identical to the above but uses network-format (uncompressed) names.
+ */
+int
+ns_parserr2(ns_msg *handle, ns_sect section, int rrnum, ns_rr2 *rr) {
+	int b;
+	int tmp;
+
+	/* Make section right. */
+	if ((tmp = section) < 0 || section >= ns_s_max)
+		RETERR(ENODEV);
+	if (section != handle->_sect)
+		setsection(handle, section);
+
+	/* Make rrnum right. */
+	if (rrnum == -1)
+		rrnum = handle->_rrnum;
+	if (rrnum < 0 || rrnum >= handle->_counts[(int)section])
+		RETERR(ENODEV);
+	if (rrnum < handle->_rrnum)
+		setsection(handle, section);
+	if (rrnum > handle->_rrnum) {
+		b = ns_skiprr(handle->_msg_ptr, handle->_eom, section,
+			      rrnum - handle->_rrnum);
+
+		if (b < 0)
+			return (-1);
+		handle->_msg_ptr += b;
+		handle->_rrnum = rrnum;
+	}
+
+	/* Do the parse. */
+	b = ns_name_unpack2(handle->_msg, handle->_eom, handle->_msg_ptr,
+			    rr->nname, NS_MAXNNAME, &rr->nnamel);
+	if (b < 0)
+		return (-1);
+	handle->_msg_ptr += b;
+	if (handle->_msg_ptr + NS_INT16SZ + NS_INT16SZ > handle->_eom)
+		RETERR(EMSGSIZE);
+	NS_GET16(rr->type, handle->_msg_ptr);
+	NS_GET16(rr->rr_class, handle->_msg_ptr);
+	if (section == ns_s_qd) {
+		rr->ttl = 0;
+		rr->rdlength = 0;
+		rr->rdata = NULL;
+	} else {
+		if (handle->_msg_ptr + NS_INT32SZ + NS_INT16SZ > handle->_eom)
+			RETERR(EMSGSIZE);
+		NS_GET32(rr->ttl, handle->_msg_ptr);
+		NS_GET16(rr->rdlength, handle->_msg_ptr);
+		if (handle->_msg_ptr + rr->rdlength > handle->_eom)
+			RETERR(EMSGSIZE);
+		rr->rdata = handle->_msg_ptr;
+		handle->_msg_ptr += rr->rdlength;
+	}
+	if (++handle->_rrnum > handle->_counts[(int)section])
+		setsection(handle, (ns_sect)((int)section + 1));
+
+	/* All done. */
+	return (0);
+}
+
+/* Private. */
+
+static void
+setsection(ns_msg *msg, ns_sect sect) {
+	msg->_sect = sect;
+	if (sect == ns_s_max) {
+		msg->_rrnum = -1;
+		msg->_msg_ptr = NULL;
+	} else {
+		msg->_rrnum = 0;
+		msg->_msg_ptr = msg->_sections[(int)sect];
+	}
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/nameser/ns_print.c b/usr/src/lib/libresolv2_joy/common/nameser/ns_print.c
new file mode 100644
index 0000000000..e70df376c1
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/nameser/ns_print.c
@@ -0,0 +1,1242 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef lint
+static const char rcsid[] = "$Id: ns_print.c,v 1.12 2009/03/03 05:29:58 each Exp $";
+#endif
+
+/* Import. */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+
+#include <isc/assertions.h>
+#include <isc/dst.h>
+#include <errno.h>
+#include <resolv_joy.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "port_after.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) ((size_t)sprintf x)
+#endif
+
+/* Forward. */
+
+static size_t	prune_origin(const char *name, const char *origin);
+static int	charstr(const u_char *rdata, const u_char *edata,
+			char **buf, size_t *buflen);
+static int	addname(const u_char *msg, size_t msglen,
+			const u_char **p, const char *origin,
+			char **buf, size_t *buflen);
+static void	addlen(size_t len, char **buf, size_t *buflen);
+static int	addstr(const char *src, size_t len,
+		       char **buf, size_t *buflen);
+static int	addtab(size_t len, size_t target, int spaced,
+		       char **buf, size_t *buflen);
+
+/* Macros. */
+
+#define	T(x) \
+	do { \
+		if ((x) < 0) \
+			return (-1); \
+	} while (0)
+
+static const char base32hex[] =
+        "0123456789ABCDEFGHIJKLMNOPQRSTUV=0123456789abcdefghijklmnopqrstuv";
+
+/* Public. */
+
+/*%
+ *	Convert an RR to presentation format.
+ *
+ * return:
+ *\li	Number of characters written to buf, or -1 (check errno).
+ */
+int
+ns_sprintrr(const ns_msg *handle, const ns_rr *rr,
+	    const char *name_ctx, const char *origin,
+	    char *buf, size_t buflen)
+{
+	int n;
+
+	n = ns_sprintrrf(ns_msg_base(*handle), ns_msg_size(*handle),
+			 ns_rr_name(*rr), ns_rr_class(*rr), ns_rr_type(*rr),
+			 ns_rr_ttl(*rr), ns_rr_rdata(*rr), ns_rr_rdlen(*rr),
+			 name_ctx, origin, buf, buflen);
+	return (n);
+}
+
+/*%
+ *	Convert the fields of an RR into presentation format.
+ *
+ * return:
+ *\li	Number of characters written to buf, or -1 (check errno).
+ */
+int
+ns_sprintrrf(const u_char *msg, size_t msglen,
+	    const char *name, ns_class class, ns_type type,
+	    u_long ttl, const u_char *rdata, size_t rdlen,
+	    const char *name_ctx, const char *origin,
+	    char *buf, size_t buflen)
+{
+	const char *obuf = buf;
+	const u_char *edata = rdata + rdlen;
+	int spaced = 0;
+
+	const char *comment;
+	char tmp[100];
+	int len, x;
+
+	/*
+	 * Owner.
+	 */
+	if (name_ctx != NULL && ns_samename(name_ctx, name) == 1) {
+		T(addstr("\t\t\t", 3, &buf, &buflen));
+	} else {
+		len = prune_origin(name, origin);
+		if (*name == '\0') {
+			goto root;
+		} else if (len == 0) {
+			T(addstr("@\t\t\t", 4, &buf, &buflen));
+		} else {
+			T(addstr(name, len, &buf, &buflen));
+			/* Origin not used or not root, and no trailing dot? */
+			if (((origin == NULL || origin[0] == '\0') ||
+			    (origin[0] != '.' && origin[1] != '\0' &&
+			    name[len] == '\0')) && name[len - 1] != '.') {
+ root:
+				T(addstr(".", 1, &buf, &buflen));
+				len++;
+			}
+			T(spaced = addtab(len, 24, spaced, &buf, &buflen));
+		}
+	}
+
+	/*
+	 * TTL, Class, Type.
+	 */
+	T(x = ns_format_ttl(ttl, buf, buflen));
+	addlen(x, &buf, &buflen);
+	len = SPRINTF((tmp, " %s %s", p_class(class), p_type(type)));
+	T(addstr(tmp, len, &buf, &buflen));
+	T(spaced = addtab(x + len, 16, spaced, &buf, &buflen));
+
+	/*
+	 * RData.
+	 */
+	switch (type) {
+	case ns_t_a:
+		if (rdlen != (size_t)NS_INADDRSZ)
+			goto formerr;
+		(void) inet_ntop(AF_INET, rdata, buf, buflen);
+		addlen(strlen(buf), &buf, &buflen);
+		break;
+
+	case ns_t_cname:
+	case ns_t_mb:
+	case ns_t_mg:
+	case ns_t_mr:
+	case ns_t_ns:
+	case ns_t_ptr:
+	case ns_t_dname:
+		T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+		break;
+
+	case ns_t_hinfo:
+	case ns_t_isdn:
+		/* First word. */
+		T(len = charstr(rdata, edata, &buf, &buflen));
+		if (len == 0)
+			goto formerr;
+		rdata += len;
+		T(addstr(" ", 1, &buf, &buflen));
+
+		    
+		/* Second word, optional in ISDN records. */
+		if (type == ns_t_isdn && rdata == edata)
+			break;
+		    
+		T(len = charstr(rdata, edata, &buf, &buflen));
+		if (len == 0)
+			goto formerr;
+		rdata += len;
+		break;
+
+	case ns_t_soa: {
+		u_long t;
+
+		/* Server name. */
+		T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+		T(addstr(" ", 1, &buf, &buflen));
+
+		/* Administrator name. */
+		T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+		T(addstr(" (\n", 3, &buf, &buflen));
+		spaced = 0;
+
+		if ((edata - rdata) != 5*NS_INT32SZ)
+			goto formerr;
+
+		/* Serial number. */
+		t = ns_get32(rdata);  rdata += NS_INT32SZ;
+		T(addstr("\t\t\t\t\t", 5, &buf, &buflen));
+		len = SPRINTF((tmp, "%lu", t));
+		T(addstr(tmp, len, &buf, &buflen));
+		T(spaced = addtab(len, 16, spaced, &buf, &buflen));
+		T(addstr("; serial\n", 9, &buf, &buflen));
+		spaced = 0;
+
+		/* Refresh interval. */
+		t = ns_get32(rdata);  rdata += NS_INT32SZ;
+		T(addstr("\t\t\t\t\t", 5, &buf, &buflen));
+		T(len = ns_format_ttl(t, buf, buflen));
+		addlen(len, &buf, &buflen);
+		T(spaced = addtab(len, 16, spaced, &buf, &buflen));
+		T(addstr("; refresh\n", 10, &buf, &buflen));
+		spaced = 0;
+
+		/* Retry interval. */
+		t = ns_get32(rdata);  rdata += NS_INT32SZ;
+		T(addstr("\t\t\t\t\t", 5, &buf, &buflen));
+		T(len = ns_format_ttl(t, buf, buflen));
+		addlen(len, &buf, &buflen);
+		T(spaced = addtab(len, 16, spaced, &buf, &buflen));
+		T(addstr("; retry\n", 8, &buf, &buflen));
+		spaced = 0;
+
+		/* Expiry. */
+		t = ns_get32(rdata);  rdata += NS_INT32SZ;
+		T(addstr("\t\t\t\t\t", 5, &buf, &buflen));
+		T(len = ns_format_ttl(t, buf, buflen));
+		addlen(len, &buf, &buflen);
+		T(spaced = addtab(len, 16, spaced, &buf, &buflen));
+		T(addstr("; expiry\n", 9, &buf, &buflen));
+		spaced = 0;
+
+		/* Minimum TTL. */
+		t = ns_get32(rdata);  rdata += NS_INT32SZ;
+		T(addstr("\t\t\t\t\t", 5, &buf, &buflen));
+		T(len = ns_format_ttl(t, buf, buflen));
+		addlen(len, &buf, &buflen);
+		T(addstr(" )", 2, &buf, &buflen));
+		T(spaced = addtab(len, 16, spaced, &buf, &buflen));
+		T(addstr("; minimum\n", 10, &buf, &buflen));
+
+		break;
+	    }
+
+	case ns_t_mx:
+	case ns_t_afsdb:
+	case ns_t_rt:
+	case ns_t_kx: {
+		u_int t;
+
+		if (rdlen < (size_t)NS_INT16SZ)
+			goto formerr;
+
+		/* Priority. */
+		t = ns_get16(rdata);
+		rdata += NS_INT16SZ;
+		len = SPRINTF((tmp, "%u ", t));
+		T(addstr(tmp, len, &buf, &buflen));
+
+		/* Target. */
+		T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+
+		break;
+	    }
+
+	case ns_t_px: {
+		u_int t;
+
+		if (rdlen < (size_t)NS_INT16SZ)
+			goto formerr;
+
+		/* Priority. */
+		t = ns_get16(rdata);
+		rdata += NS_INT16SZ;
+		len = SPRINTF((tmp, "%u ", t));
+		T(addstr(tmp, len, &buf, &buflen));
+
+		/* Name1. */
+		T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+		T(addstr(" ", 1, &buf, &buflen));
+
+		/* Name2. */
+		T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+
+		break;
+	    }
+
+	case ns_t_x25:
+		T(len = charstr(rdata, edata, &buf, &buflen));
+		if (len == 0)
+			goto formerr;
+		rdata += len;
+		break;
+
+	case ns_t_txt:
+	case ns_t_spf:
+		while (rdata < edata) {
+			T(len = charstr(rdata, edata, &buf, &buflen));
+			if (len == 0)
+				goto formerr;
+			rdata += len;
+			if (rdata < edata)
+				T(addstr(" ", 1, &buf, &buflen));
+		}
+		break;
+
+	case ns_t_nsap: {
+		char t[2+255*3];
+
+		(void) inet_nsap_ntoa(rdlen, rdata, t);
+		T(addstr(t, strlen(t), &buf, &buflen));
+		break;
+	    }
+
+	case ns_t_aaaa:
+		if (rdlen != (size_t)NS_IN6ADDRSZ)
+			goto formerr;
+		(void) inet_ntop(AF_INET6, rdata, buf, buflen);
+		addlen(strlen(buf), &buf, &buflen);
+		break;
+
+	case ns_t_loc: {
+		char t[255];
+
+		/* XXX protocol format checking? */
+		(void) loc_ntoa(rdata, t);
+		T(addstr(t, strlen(t), &buf, &buflen));
+		break;
+	    }
+
+	case ns_t_naptr: {
+		u_int order, preference;
+		char t[50];
+
+		if (rdlen < 2U*NS_INT16SZ)
+			goto formerr;
+
+		/* Order, Precedence. */
+		order = ns_get16(rdata);	rdata += NS_INT16SZ;
+		preference = ns_get16(rdata);	rdata += NS_INT16SZ;
+		len = SPRINTF((t, "%u %u ", order, preference));
+		T(addstr(t, len, &buf, &buflen));
+
+		/* Flags. */
+		T(len = charstr(rdata, edata, &buf, &buflen));
+		if (len == 0)
+			goto formerr;
+		rdata += len;
+		T(addstr(" ", 1, &buf, &buflen));
+
+		/* Service. */
+		T(len = charstr(rdata, edata, &buf, &buflen));
+		if (len == 0)
+			goto formerr;
+		rdata += len;
+		T(addstr(" ", 1, &buf, &buflen));
+
+		/* Regexp. */
+		T(len = charstr(rdata, edata, &buf, &buflen));
+		if (len < 0)
+			return (-1);
+		if (len == 0)
+			goto formerr;
+		rdata += len;
+		T(addstr(" ", 1, &buf, &buflen));
+
+		/* Server. */
+		T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+		break;
+	    }
+
+	case ns_t_srv: {
+		u_int priority, weight, port;
+		char t[50];
+
+		if (rdlen < 3U*NS_INT16SZ)
+			goto formerr;
+
+		/* Priority, Weight, Port. */
+		priority = ns_get16(rdata);  rdata += NS_INT16SZ;
+		weight   = ns_get16(rdata);  rdata += NS_INT16SZ;
+		port     = ns_get16(rdata);  rdata += NS_INT16SZ;
+		len = SPRINTF((t, "%u %u %u ", priority, weight, port));
+		T(addstr(t, len, &buf, &buflen));
+
+		/* Server. */
+		T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+		break;
+	    }
+
+	case ns_t_minfo:
+	case ns_t_rp:
+		/* Name1. */
+		T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+		T(addstr(" ", 1, &buf, &buflen));
+
+		/* Name2. */
+		T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+
+		break;
+
+	case ns_t_wks: {
+		int n, lcnt;
+
+		if (rdlen < 1U + NS_INT32SZ)
+			goto formerr;
+
+		/* Address. */
+		(void) inet_ntop(AF_INET, rdata, buf, buflen);
+		addlen(strlen(buf), &buf, &buflen);
+		rdata += NS_INADDRSZ;
+
+		/* Protocol. */
+		len = SPRINTF((tmp, " %u ( ", *rdata));
+		T(addstr(tmp, len, &buf, &buflen));
+		rdata += NS_INT8SZ;
+
+		/* Bit map. */
+		n = 0;
+		lcnt = 0;
+		while (rdata < edata) {
+			u_int c = *rdata++;
+			do {
+				if (c & 0200) {
+					if (lcnt == 0) {
+						T(addstr("\n\t\t\t\t", 5,
+							 &buf, &buflen));
+						lcnt = 10;
+						spaced = 0;
+					}
+					len = SPRINTF((tmp, "%d ", n));
+					T(addstr(tmp, len, &buf, &buflen));
+					lcnt--;
+				}
+				c <<= 1;
+			} while (++n & 07);
+		}
+		T(addstr(")", 1, &buf, &buflen));
+
+		break;
+	    }
+
+	case ns_t_key:
+	case ns_t_dnskey: {
+		char base64_key[NS_MD5RSA_MAX_BASE64];
+		u_int keyflags, protocol, algorithm, key_id;
+		const char *leader;
+		int n;
+
+		if (rdlen < 0U + NS_INT16SZ + NS_INT8SZ + NS_INT8SZ)
+			goto formerr;
+
+		/* Key flags, Protocol, Algorithm. */
+		key_id = dst_s_dns_key_id(rdata, edata-rdata);
+		keyflags = ns_get16(rdata);  rdata += NS_INT16SZ;
+		protocol = *rdata++;
+		algorithm = *rdata++;
+		len = SPRINTF((tmp, "0x%04x %u %u",
+			       keyflags, protocol, algorithm));
+		T(addstr(tmp, len, &buf, &buflen));
+
+		/* Public key data. */
+		len = b64_ntop(rdata, edata - rdata,
+			       base64_key, sizeof base64_key);
+		if (len < 0)
+			goto formerr;
+		if (len > 15) {
+			T(addstr(" (", 2, &buf, &buflen));
+			leader = "\n\t\t";
+			spaced = 0;
+		} else
+			leader = " ";
+		for (n = 0; n < len; n += 48) {
+			T(addstr(leader, strlen(leader), &buf, &buflen));
+			T(addstr(base64_key + n, MIN(len - n, 48),
+				 &buf, &buflen));
+		}
+		if (len > 15)
+			T(addstr(" )", 2, &buf, &buflen));
+		n = SPRINTF((tmp, " ; key_tag= %u", key_id));
+		T(addstr(tmp, n, &buf, &buflen));
+
+		break;
+	    }
+
+	case ns_t_sig:
+	case ns_t_rrsig: {
+		char base64_key[NS_MD5RSA_MAX_BASE64];
+		u_int type, algorithm, labels, footprint;
+		const char *leader;
+		u_long t;
+		int n;
+
+		if (rdlen < 22U)
+			goto formerr;
+
+		/* Type covered, Algorithm, Label count, Original TTL. */
+		type = ns_get16(rdata);  rdata += NS_INT16SZ;
+		algorithm = *rdata++;
+		labels = *rdata++;
+		t = ns_get32(rdata);  rdata += NS_INT32SZ;
+		len = SPRINTF((tmp, "%s %d %d %lu ",
+			       p_type(type), algorithm, labels, t));
+		T(addstr(tmp, len, &buf, &buflen));
+		if (labels > (u_int)dn_count_labels(name))
+			goto formerr;
+
+		/* Signature expiry. */
+		t = ns_get32(rdata);  rdata += NS_INT32SZ;
+		len = SPRINTF((tmp, "%s ", p_secstodate(t)));
+		T(addstr(tmp, len, &buf, &buflen));
+
+		/* Time signed. */
+		t = ns_get32(rdata);  rdata += NS_INT32SZ;
+		len = SPRINTF((tmp, "%s ", p_secstodate(t)));
+		T(addstr(tmp, len, &buf, &buflen));
+
+		/* Signature Footprint. */
+		footprint = ns_get16(rdata);  rdata += NS_INT16SZ;
+		len = SPRINTF((tmp, "%u ", footprint));
+		T(addstr(tmp, len, &buf, &buflen));
+
+		/* Signer's name. */
+		T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+
+		/* Signature. */
+		len = b64_ntop(rdata, edata - rdata,
+			       base64_key, sizeof base64_key);
+		if (len > 15) {
+			T(addstr(" (", 2, &buf, &buflen));
+			leader = "\n\t\t";
+			spaced = 0;
+		} else
+			leader = " ";
+		if (len < 0)
+			goto formerr;
+		for (n = 0; n < len; n += 48) {
+			T(addstr(leader, strlen(leader), &buf, &buflen));
+			T(addstr(base64_key + n, MIN(len - n, 48),
+				 &buf, &buflen));
+		}
+		if (len > 15)
+			T(addstr(" )", 2, &buf, &buflen));
+		break;
+	    }
+
+	case ns_t_nxt: {
+		int n, c;
+
+		/* Next domain name. */
+		T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+
+		/* Type bit map. */
+		n = edata - rdata;
+		for (c = 0; c < n*8; c++)
+			if (NS_NXT_BIT_ISSET(c, rdata)) {
+				len = SPRINTF((tmp, " %s", p_type(c)));
+				T(addstr(tmp, len, &buf, &buflen));
+			}
+		break;
+	    }
+
+	case ns_t_cert: {
+		u_int c_type, key_tag, alg;
+		int n;
+		unsigned int siz;
+		char base64_cert[8192], tmp[40];
+		const char *leader;
+
+		c_type  = ns_get16(rdata); rdata += NS_INT16SZ;
+		key_tag = ns_get16(rdata); rdata += NS_INT16SZ;
+		alg = (u_int) *rdata++;
+
+		len = SPRINTF((tmp, "%d %d %d ", c_type, key_tag, alg));
+		T(addstr(tmp, len, &buf, &buflen));
+		siz = (edata-rdata)*4/3 + 4; /* "+4" accounts for trailing \0 */
+		if (siz > sizeof(base64_cert) * 3/4) {
+			const char *str = "record too long to print";
+			T(addstr(str, strlen(str), &buf, &buflen));
+		}
+		else {
+			len = b64_ntop(rdata, edata-rdata, base64_cert, siz);
+
+			if (len < 0)
+				goto formerr;
+			else if (len > 15) {
+				T(addstr(" (", 2, &buf, &buflen));
+				leader = "\n\t\t";
+				spaced = 0;
+			}
+			else
+				leader = " ";
+	
+			for (n = 0; n < len; n += 48) {
+				T(addstr(leader, strlen(leader),
+					 &buf, &buflen));
+				T(addstr(base64_cert + n, MIN(len - n, 48),
+					 &buf, &buflen));
+			}
+			if (len > 15)
+				T(addstr(" )", 2, &buf, &buflen));
+		}
+		break;
+	    }
+
+	case ns_t_tkey: {
+		/* KJD - need to complete this */
+		u_long t;
+		int mode, err, keysize;
+
+		/* Algorithm name. */
+		T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+		T(addstr(" ", 1, &buf, &buflen));
+
+		/* Inception. */
+		t = ns_get32(rdata);  rdata += NS_INT32SZ;
+		len = SPRINTF((tmp, "%s ", p_secstodate(t)));
+		T(addstr(tmp, len, &buf, &buflen));
+
+		/* Experation. */
+		t = ns_get32(rdata);  rdata += NS_INT32SZ;
+		len = SPRINTF((tmp, "%s ", p_secstodate(t)));
+		T(addstr(tmp, len, &buf, &buflen));
+
+		/* Mode , Error, Key Size. */
+		/* Priority, Weight, Port. */
+		mode = ns_get16(rdata);  rdata += NS_INT16SZ;
+		err  = ns_get16(rdata);  rdata += NS_INT16SZ;
+		keysize  = ns_get16(rdata);  rdata += NS_INT16SZ;
+		len = SPRINTF((tmp, "%u %u %u ", mode, err, keysize));
+		T(addstr(tmp, len, &buf, &buflen));
+
+		/* XXX need to dump key, print otherdata length & other data */
+		break;
+	    }
+
+	case ns_t_tsig: {
+		/* BEW - need to complete this */
+		int n;
+
+		T(len = addname(msg, msglen, &rdata, origin, &buf, &buflen));
+		T(addstr(" ", 1, &buf, &buflen));
+		rdata += 8; /*%< time */
+		n = ns_get16(rdata); rdata += INT16SZ;
+		rdata += n; /*%< sig */
+		n = ns_get16(rdata); rdata += INT16SZ; /*%< original id */
+		sprintf(buf, "%d", ns_get16(rdata));
+		rdata += INT16SZ;
+		addlen(strlen(buf), &buf, &buflen);
+		break;
+	    }
+
+	case ns_t_a6: {
+		struct in6_addr a;
+		int pbyte, pbit;
+
+		/* prefix length */
+		if (rdlen == 0U) goto formerr;
+		len = SPRINTF((tmp, "%d ", *rdata));
+		T(addstr(tmp, len, &buf, &buflen));
+		pbit = *rdata;
+		if (pbit > 128) goto formerr;
+		pbyte = (pbit & ~7) / 8;
+		rdata++;
+
+		/* address suffix: provided only when prefix len != 128 */
+		if (pbit < 128) {
+			if (rdata + pbyte >= edata) goto formerr;
+			memset(&a, 0, sizeof(a));
+			memcpy(&a.s6_addr[pbyte], rdata, sizeof(a) - pbyte);
+			(void) inet_ntop(AF_INET6, &a, buf, buflen);
+			addlen(strlen(buf), &buf, &buflen);
+			rdata += sizeof(a) - pbyte;
+		}
+
+		/* prefix name: provided only when prefix len > 0 */
+		if (pbit == 0)
+			break;
+		if (rdata >= edata) goto formerr;
+		T(addstr(" ", 1, &buf, &buflen));
+		T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+		
+		break;
+	    }
+
+	case ns_t_opt: {
+		len = SPRINTF((tmp, "%u bytes", class));
+		T(addstr(tmp, len, &buf, &buflen));
+		break;
+	    }
+
+	case ns_t_ds:
+	case ns_t_dlv:
+	case ns_t_sshfp: {
+		u_int t;
+
+		if (type == ns_t_ds || type == ns_t_dlv) {
+			if (rdlen < 4U) goto formerr;
+			t = ns_get16(rdata);
+			rdata += NS_INT16SZ;
+			len = SPRINTF((tmp, "%u ", t));
+			T(addstr(tmp, len, &buf, &buflen));
+		} else
+			if (rdlen < 2U) goto formerr;
+
+		len = SPRINTF((tmp, "%u ", *rdata));
+		T(addstr(tmp, len, &buf, &buflen));
+		rdata++;
+
+		len = SPRINTF((tmp, "%u ", *rdata));
+		T(addstr(tmp, len, &buf, &buflen));
+		rdata++;
+
+		while (rdata < edata) {
+			len = SPRINTF((tmp, "%02X", *rdata));
+			T(addstr(tmp, len, &buf, &buflen));
+			rdata++;
+		}
+		break;
+	    }
+
+	case ns_t_nsec3:
+	case ns_t_nsec3param: {
+		u_int t, w, l, j, k, c;
+		
+		len = SPRINTF((tmp, "%u ", *rdata));
+		T(addstr(tmp, len, &buf, &buflen));
+		rdata++;
+
+		len = SPRINTF((tmp, "%u ", *rdata));
+		T(addstr(tmp, len, &buf, &buflen));
+		rdata++;
+
+		t = ns_get16(rdata);
+		rdata += NS_INT16SZ;
+		len = SPRINTF((tmp, "%u ", t));
+		T(addstr(tmp, len, &buf, &buflen));
+
+		t = *rdata++;
+		if (t == 0) {
+			T(addstr("-", 1, &buf, &buflen));
+		} else {
+			while (t-- > 0) {
+				len = SPRINTF((tmp, "%02X", *rdata));
+				T(addstr(tmp, len, &buf, &buflen));
+				rdata++;
+			}
+		}
+		if (type == ns_t_nsec3param)
+			break;
+		T(addstr(" ", 1, &buf, &buflen));
+
+		t = *rdata++;
+		while (t > 0) {
+			switch (t) {
+			case 1:
+				tmp[0] = base32hex[((rdata[0]>>3)&0x1f)];
+				tmp[1] = base32hex[((rdata[0]<<2)&0x1c)];
+				tmp[2] = tmp[3] = tmp[4] = '=';
+				tmp[5] = tmp[6] = tmp[7] = '=';
+				break;
+			case 2:
+				tmp[0] = base32hex[((rdata[0]>>3)&0x1f)];
+				tmp[1] = base32hex[((rdata[0]<<2)&0x1c)|
+						   ((rdata[1]>>6)&0x03)];
+				tmp[2] = base32hex[((rdata[1]>>1)&0x1f)];
+				tmp[3] = base32hex[((rdata[1]<<4)&0x10)];
+				tmp[4] = tmp[5] = tmp[6] = tmp[7] = '=';
+				break;
+			case 3:
+				tmp[0] = base32hex[((rdata[0]>>3)&0x1f)];
+				tmp[1] = base32hex[((rdata[0]<<2)&0x1c)|
+						   ((rdata[1]>>6)&0x03)];
+				tmp[2] = base32hex[((rdata[1]>>1)&0x1f)];
+				tmp[3] = base32hex[((rdata[1]<<4)&0x10)|
+						   ((rdata[2]>>4)&0x0f)];
+				tmp[4] = base32hex[((rdata[2]<<1)&0x1e)];
+				tmp[5] = tmp[6] = tmp[7] = '=';
+				break;
+			case 4:
+				tmp[0] = base32hex[((rdata[0]>>3)&0x1f)];
+				tmp[1] = base32hex[((rdata[0]<<2)&0x1c)|
+						   ((rdata[1]>>6)&0x03)];
+				tmp[2] = base32hex[((rdata[1]>>1)&0x1f)];
+				tmp[3] = base32hex[((rdata[1]<<4)&0x10)|
+						   ((rdata[2]>>4)&0x0f)];
+				tmp[4] = base32hex[((rdata[2]<<1)&0x1e)|
+						   ((rdata[3]>>7)&0x01)];
+				tmp[5] = base32hex[((rdata[3]>>2)&0x1f)];
+				tmp[6] = base32hex[(rdata[3]<<3)&0x18];
+				tmp[7] = '=';
+				break;
+			default:
+				tmp[0] = base32hex[((rdata[0]>>3)&0x1f)];
+				tmp[1] = base32hex[((rdata[0]<<2)&0x1c)|
+						   ((rdata[1]>>6)&0x03)];
+				tmp[2] = base32hex[((rdata[1]>>1)&0x1f)];
+				tmp[3] = base32hex[((rdata[1]<<4)&0x10)|
+						   ((rdata[2]>>4)&0x0f)];
+				tmp[4] = base32hex[((rdata[2]<<1)&0x1e)|
+						   ((rdata[3]>>7)&0x01)];
+				tmp[5] = base32hex[((rdata[3]>>2)&0x1f)];
+				tmp[6] = base32hex[((rdata[3]<<3)&0x18)|
+						   ((rdata[4]>>5)&0x07)];
+				tmp[7] = base32hex[(rdata[4]&0x1f)];
+				break;
+			}
+			T(addstr(tmp, 8, &buf, &buflen));
+			if (t >= 5) {
+				rdata += 5;
+				t -= 5;
+			} else {
+				rdata += t;
+				t -= t;
+			}
+		}
+
+		while (rdata < edata) {
+			w = *rdata++;
+			l = *rdata++;
+			for (j = 0; j < l; j++) {
+				if (rdata[j] == 0)
+					continue;
+				for (k = 0; k < 8; k++) {
+					if ((rdata[j] & (0x80 >> k)) == 0)
+						continue;
+					c = w * 256 + j * 8 + k;
+					len = SPRINTF((tmp, " %s", p_type(c)));
+					T(addstr(tmp, len, &buf, &buflen));
+				}
+			}
+			rdata += l;
+		}
+		break;
+	    }
+
+	case ns_t_nsec: {
+		u_int w, l, j, k, c;
+
+		T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+
+		while (rdata < edata) {
+			w = *rdata++;
+			l = *rdata++;
+			for (j = 0; j < l; j++) {
+				if (rdata[j] == 0)
+					continue;
+				for (k = 0; k < 8; k++) {
+					if ((rdata[j] & (0x80 >> k)) == 0)
+						continue;
+					c = w * 256 + j * 8 + k;
+					len = SPRINTF((tmp, " %s", p_type(c)));
+					T(addstr(tmp, len, &buf, &buflen));
+				}
+			}
+			rdata += l;
+		}
+		break;
+	    }
+
+	case ns_t_dhcid: {
+		int n;
+		unsigned int siz;
+		char base64_dhcid[8192];
+		const char *leader;
+
+		siz = (edata-rdata)*4/3 + 4; /* "+4" accounts for trailing \0 */
+		if (siz > sizeof(base64_dhcid) * 3/4) {
+			const char *str = "record too long to print";
+			T(addstr(str, strlen(str), &buf, &buflen));
+		} else {
+			len = b64_ntop(rdata, edata-rdata, base64_dhcid, siz);
+		
+			if (len < 0)
+				goto formerr;
+
+			else if (len > 15) {
+				T(addstr(" (", 2, &buf, &buflen));
+				leader = "\n\t\t";
+				spaced = 0;
+			}
+			else
+				leader = " ";
+
+			for (n = 0; n < len; n += 48) {
+				T(addstr(leader, strlen(leader),
+					 &buf, &buflen));
+				T(addstr(base64_dhcid + n, MIN(len - n, 48),
+					 &buf, &buflen));
+			}
+			if (len > 15)
+				T(addstr(" )", 2, &buf, &buflen));
+		}
+	}
+
+	case ns_t_ipseckey: {
+		int n;
+		unsigned int siz;
+		char base64_key[8192];
+		const char *leader;
+	
+		if (rdlen < 2)
+			goto formerr;
+
+		switch (rdata[1]) {
+		case 0:
+		case 3:
+			if (rdlen < 3)
+				goto formerr;
+			break;
+		case 1:
+			if (rdlen < 7)
+				goto formerr;
+			break;
+		case 2:
+			if (rdlen < 19)
+				goto formerr;
+			break;
+		default:
+			comment = "unknown IPSECKEY gateway type";
+			goto hexify;
+		}
+
+		len = SPRINTF((tmp, "%u ", *rdata));
+		T(addstr(tmp, len, &buf, &buflen));
+		rdata++;
+
+		len = SPRINTF((tmp, "%u ", *rdata));
+		T(addstr(tmp, len, &buf, &buflen));
+		rdata++;
+		
+		len = SPRINTF((tmp, "%u ", *rdata));
+		T(addstr(tmp, len, &buf, &buflen));
+		rdata++;
+
+		switch (rdata[-2]) {
+		case 0:
+			T(addstr(".", 1, &buf, &buflen));
+			break;
+		case 1:
+			(void) inet_ntop(AF_INET, rdata, buf, buflen);
+			addlen(strlen(buf), &buf, &buflen);
+			rdata += 4;
+			break;
+		case 2:
+			(void) inet_ntop(AF_INET6, rdata, buf, buflen);
+			addlen(strlen(buf), &buf, &buflen);
+			rdata += 16;
+			break;
+		case 3:
+			T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
+			break;
+		}
+
+		if (rdata >= edata)
+			break;
+
+		siz = (edata-rdata)*4/3 + 4; /* "+4" accounts for trailing \0 */
+		if (siz > sizeof(base64_key) * 3/4) {
+			const char *str = "record too long to print";
+			T(addstr(str, strlen(str), &buf, &buflen));
+		} else {
+			len = b64_ntop(rdata, edata-rdata, base64_key, siz);
+
+			if (len < 0)
+				goto formerr;
+
+			else if (len > 15) {
+				T(addstr(" (", 2, &buf, &buflen));
+				leader = "\n\t\t";
+				spaced = 0;
+			}
+			else
+				leader = " ";
+
+			for (n = 0; n < len; n += 48) {
+				T(addstr(leader, strlen(leader),
+					 &buf, &buflen));
+				T(addstr(base64_key + n, MIN(len - n, 48),
+					 &buf, &buflen));
+			}
+			if (len > 15)
+				T(addstr(" )", 2, &buf, &buflen));
+		}
+	}
+
+	case ns_t_hip: {
+		unsigned int i, hip_len, algorithm, key_len;
+		char base64_key[NS_MD5RSA_MAX_BASE64];
+		unsigned int siz;
+		const char *leader = "\n\t\t\t\t\t";
+		
+		hip_len = *rdata++;
+		algorithm = *rdata++;
+		key_len = ns_get16(rdata);
+		rdata += NS_INT16SZ;
+
+		siz = key_len*4/3 + 4; /* "+4" accounts for trailing \0 */
+		if (siz > sizeof(base64_key) * 3/4) {
+			const char *str = "record too long to print";
+			T(addstr(str, strlen(str), &buf, &buflen));
+		} else {
+			len = sprintf(tmp, "( %u ", algorithm);
+			T(addstr(tmp, len, &buf, &buflen));
+
+			for (i = 0; i < hip_len; i++) {
+				len = sprintf(tmp, "%02X", *rdata);
+				T(addstr(tmp, len, &buf, &buflen));
+				rdata++;
+			}
+			T(addstr(leader, strlen(leader), &buf, &buflen));
+
+			len = b64_ntop(rdata, key_len, base64_key, siz);
+			if (len < 0)
+				goto formerr;
+
+			T(addstr(base64_key, len, &buf, &buflen));
+				
+			rdata += key_len;
+			while (rdata < edata) {
+				T(addstr(leader, strlen(leader), &buf, &buflen));
+				T(addname(msg, msglen, &rdata, origin,
+					  &buf, &buflen));
+			}
+			T(addstr(" )", 2, &buf, &buflen));
+		}
+		break;
+	}
+
+	default:
+		comment = "unknown RR type";
+		goto hexify;
+	}
+	return (buf - obuf);
+ formerr:
+	comment = "RR format error";
+ hexify: {
+	int n, m;
+	char *p;
+
+	len = SPRINTF((tmp, "\\# %u%s\t; %s", (unsigned)(edata - rdata),
+		       rdlen != 0U ? " (" : "", comment));
+	T(addstr(tmp, len, &buf, &buflen));
+	while (rdata < edata) {
+		p = tmp;
+		p += SPRINTF((p, "\n\t"));
+		spaced = 0;
+		n = MIN(16, edata - rdata);
+		for (m = 0; m < n; m++)
+			p += SPRINTF((p, "%02x ", rdata[m]));
+		T(addstr(tmp, p - tmp, &buf, &buflen));
+		if (n < 16) {
+			T(addstr(")", 1, &buf, &buflen));
+			T(addtab(p - tmp + 1, 48, spaced, &buf, &buflen));
+		}
+		p = tmp;
+		p += SPRINTF((p, "; "));
+		for (m = 0; m < n; m++)
+			*p++ = (isascii(rdata[m]) && isprint(rdata[m]))
+				? rdata[m]
+				: '.';
+		T(addstr(tmp, p - tmp, &buf, &buflen));
+		rdata += n;
+	}
+	return (buf - obuf);
+    }
+}
+
+/* Private. */
+
+/*%
+ * size_t
+ * prune_origin(name, origin)
+ *	Find out if the name is at or under the current origin.
+ * return:
+ *	Number of characters in name before start of origin,
+ *	or length of name if origin does not match.
+ * notes:
+ *	This function should share code with samedomain().
+ */
+static size_t
+prune_origin(const char *name, const char *origin) {
+	const char *oname = name;
+
+	while (*name != '\0') {
+		if (origin != NULL && ns_samename(name, origin) == 1)
+			return (name - oname - (name > oname));
+		while (*name != '\0') {
+			if (*name == '\\') {
+				name++;
+				/* XXX need to handle \nnn form. */
+				if (*name == '\0')
+					break;
+			} else if (*name == '.') {
+				name++;
+				break;
+			}
+			name++;
+		}
+	}
+	return (name - oname);
+}
+
+/*%
+ * int
+ * charstr(rdata, edata, buf, buflen)
+ *	Format a <character-string> into the presentation buffer.
+ * return:
+ *	Number of rdata octets consumed
+ *	0 for protocol format error
+ *	-1 for output buffer error
+ * side effects:
+ *	buffer is advanced on success.
+ */
+static int
+charstr(const u_char *rdata, const u_char *edata, char **buf, size_t *buflen) {
+	const u_char *odata = rdata;
+	size_t save_buflen = *buflen;
+	char *save_buf = *buf;
+
+	if (addstr("\"", 1, buf, buflen) < 0)
+		goto enospc;
+	if (rdata < edata) {
+		int n = *rdata;
+
+		if (rdata + 1 + n <= edata) {
+			rdata++;
+			while (n-- > 0) {
+				if (strchr("\n\"\\", *rdata) != NULL)
+					if (addstr("\\", 1, buf, buflen) < 0)
+						goto enospc;
+				if (addstr((const char *)rdata, 1,
+					   buf, buflen) < 0)
+					goto enospc;
+				rdata++;
+			}
+		}
+	}
+	if (addstr("\"", 1, buf, buflen) < 0)
+		goto enospc;
+	return (rdata - odata);
+ enospc:
+	errno = ENOSPC;
+	*buf = save_buf;
+	*buflen = save_buflen;
+	return (-1);
+}
+
+static int
+addname(const u_char *msg, size_t msglen,
+	const u_char **pp, const char *origin,
+	char **buf, size_t *buflen)
+{
+	size_t newlen, save_buflen = *buflen;
+	char *save_buf = *buf;
+	int n;
+
+	n = dn_expand(msg, msg + msglen, *pp, *buf, *buflen);
+	if (n < 0)
+		goto enospc;	/*%< Guess. */
+	newlen = prune_origin(*buf, origin);
+	if (**buf == '\0') {
+		goto root;
+	} else if (newlen == 0U) {
+		/* Use "@" instead of name. */
+		if (newlen + 2 > *buflen)
+			goto enospc;        /* No room for "@\0". */
+		(*buf)[newlen++] = '@';
+		(*buf)[newlen] = '\0';
+	} else {
+		if (((origin == NULL || origin[0] == '\0') ||
+		    (origin[0] != '.' && origin[1] != '\0' &&
+		    (*buf)[newlen] == '\0')) && (*buf)[newlen - 1] != '.') {
+			/* No trailing dot. */
+ root:
+			if (newlen + 2 > *buflen)
+				goto enospc;	/* No room for ".\0". */
+			(*buf)[newlen++] = '.';
+			(*buf)[newlen] = '\0';
+		}
+	}
+	*pp += n;
+	addlen(newlen, buf, buflen);
+	**buf = '\0';
+	return (newlen);
+ enospc:
+	errno = ENOSPC;
+	*buf = save_buf;
+	*buflen = save_buflen;
+	return (-1);
+}
+
+static void
+addlen(size_t len, char **buf, size_t *buflen) {
+	INSIST(len <= *buflen);
+	*buf += len;
+	*buflen -= len;
+}
+
+static int
+addstr(const char *src, size_t len, char **buf, size_t *buflen) {
+	if (len >= *buflen) {
+		errno = ENOSPC;
+		return (-1);
+	}
+	memcpy(*buf, src, len);
+	addlen(len, buf, buflen);
+	**buf = '\0';
+	return (0);
+}
+
+static int
+addtab(size_t len, size_t target, int spaced, char **buf, size_t *buflen) {
+	size_t save_buflen = *buflen;
+	char *save_buf = *buf;
+	int t;
+
+	if (spaced || len >= target - 1) {
+		T(addstr("  ", 2, buf, buflen));
+		spaced = 1;
+	} else {
+		for (t = (target - len - 1) / 8; t >= 0; t--)
+			if (addstr("\t", 1, buf, buflen) < 0) {
+				*buflen = save_buflen;
+				*buf = save_buf;
+				return (-1);
+			}
+		spaced = 0;
+	}
+	return (spaced);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/nameser/ns_rdata.c b/usr/src/lib/libresolv2_joy/common/nameser/ns_rdata.c
new file mode 100644
index 0000000000..eac4052278
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/nameser/ns_rdata.c
@@ -0,0 +1,300 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef lint
+static const char rcsid[] = "$Id: ns_rdata.c,v 1.2 2009/01/23 23:49:15 tbox Exp $";
+#endif
+
+#include "port_before.h"
+
+#if __OpenBSD__
+#include <sys/types.h>
+#endif
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <resolv_joy.h>
+#include <string.h>
+
+#include "port_after.h"
+
+#define CONSUME_SRC \
+	do { \
+		rdata += n, rdlen -= n; \
+	} while (0)
+
+#define CONSUME_DST \
+	do { \
+		nrdata += n, nrdsiz -= n, nrdlen += n; \
+	} while (0)
+
+#define UNPACK_DNAME \
+	do { \
+		size_t t; \
+		\
+		if ((n = ns_name_unpack2(msg,eom,rdata,nrdata,nrdsiz,&t))<0) {\
+			errno = EMSGSIZE; \
+			return (-1); \
+		} \
+		CONSUME_SRC; \
+		n = t; \
+		CONSUME_DST; \
+	} while (0)
+
+#define UNPACK_SOME(x) \
+	do { \
+		n = (x); \
+		if ((size_t)n > rdlen || (size_t)n > nrdsiz) { \
+			errno = EMSGSIZE; \
+			return (-1); \
+		} \
+		memcpy(nrdata, rdata, n); \
+		CONSUME_SRC; CONSUME_DST; \
+	} while (0)
+
+#define	UNPACK_REST(x) \
+	do { \
+		n = (x); \
+		if ((size_t)n != rdlen) { \
+			errno = EMSGSIZE; \
+			return (-1); \
+		} \
+		memcpy(nrdata, rdata, n); \
+		CONSUME_SRC; CONSUME_DST; \
+	} while (0)
+
+ssize_t
+ns_rdata_unpack(const u_char *msg, const u_char *eom,
+		ns_type type, const u_char *rdata, size_t rdlen,
+		u_char *nrdata, size_t nrdsiz)
+{
+	size_t nrdlen = 0;
+	int n;
+
+	switch (type) {
+	case ns_t_a:
+		UNPACK_REST(NS_INADDRSZ);
+		break;
+	case ns_t_aaaa:
+		UNPACK_REST(NS_IN6ADDRSZ);
+		break;
+	case ns_t_cname:
+	case ns_t_mb:
+	case ns_t_mg:
+	case ns_t_mr:
+	case ns_t_ns:
+	case ns_t_ptr:
+	case ns_t_dname:
+		UNPACK_DNAME;
+		break;
+	case ns_t_soa:
+		UNPACK_DNAME;
+		UNPACK_DNAME;
+		UNPACK_SOME(NS_INT32SZ * 5);
+		break;
+	case ns_t_mx:
+	case ns_t_afsdb:
+	case ns_t_rt:
+		UNPACK_SOME(NS_INT16SZ);
+		UNPACK_DNAME;
+		break;
+	case ns_t_px:
+		UNPACK_SOME(NS_INT16SZ);
+		UNPACK_DNAME;
+		UNPACK_DNAME;
+		break;
+	case ns_t_srv:
+		UNPACK_SOME(NS_INT16SZ * 3);
+		UNPACK_DNAME;
+		break;
+	case ns_t_minfo:
+	case ns_t_rp:
+		UNPACK_DNAME;
+		UNPACK_DNAME;
+		break;
+	default:
+		UNPACK_SOME(rdlen);
+		break;
+	}
+	if (rdlen > 0) {
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	return (nrdlen);
+}
+
+#define	EQUAL_CONSUME \
+	do { \
+		rdata1 += n, rdlen1 -= n; \
+		rdata2 += n, rdlen2 -= n; \
+	} while (0)
+
+#define	EQUAL_DNAME \
+	do { \
+		ssize_t n; \
+		\
+		if (rdlen1 != rdlen2) \
+			return (0); \
+		n = ns_name_eq(rdata1, rdlen1, rdata2, rdlen2); \
+		if (n <= 0) \
+			return (n); \
+		n = rdlen1; \
+		EQUAL_CONSUME; \
+	} while (0)
+
+#define	EQUAL_SOME(x) \
+	do { \
+		size_t n = (x); \
+		\
+		if (n > rdlen1 || n > rdlen2) { \
+			errno = EMSGSIZE; \
+			return (-1); \
+		} \
+		if (memcmp(rdata1, rdata2, n) != 0) \
+			return (0); \
+		EQUAL_CONSUME; \
+	} while (0)
+
+int
+ns_rdata_equal(ns_type type,
+	       const u_char *rdata1, size_t rdlen1,
+	       const u_char *rdata2, size_t rdlen2)
+{
+	switch (type) {
+	case ns_t_cname:
+	case ns_t_mb:
+	case ns_t_mg:
+	case ns_t_mr:
+	case ns_t_ns:
+	case ns_t_ptr:
+	case ns_t_dname:
+		EQUAL_DNAME;
+		break;
+	case ns_t_soa:
+		/* "There can be only one." --Highlander */
+		break;
+	case ns_t_mx:
+	case ns_t_afsdb:
+	case ns_t_rt:
+		EQUAL_SOME(NS_INT16SZ);
+		EQUAL_DNAME;
+		break;
+	case ns_t_px:
+		EQUAL_SOME(NS_INT16SZ);
+		EQUAL_DNAME;
+		EQUAL_DNAME;
+		break;
+	case ns_t_srv:
+		EQUAL_SOME(NS_INT16SZ * 3);
+		EQUAL_DNAME;
+		break;
+	case ns_t_minfo:
+	case ns_t_rp:
+		EQUAL_DNAME;
+		EQUAL_DNAME;
+		break;
+	default:
+		EQUAL_SOME(rdlen1);
+		break;
+	}
+	if (rdlen1 != 0 || rdlen2 != 0)
+		return (0);
+	return (1);
+}
+
+#define REFERS_DNAME \
+	do { \
+		int n; \
+		\
+		n = ns_name_eq(rdata, rdlen, nname, NS_MAXNNAME); \
+		if (n < 0) \
+			return (-1); \
+		if (n > 0) \
+			return (1); \
+		n = dn_skipname(rdata, rdata + rdlen); \
+		if (n < 0) \
+			return (-1); \
+		CONSUME_SRC; \
+	} while (0)
+
+#define	REFERS_SOME(x) \
+	do { \
+		size_t n = (x); \
+		\
+		if (n > rdlen) { \
+			errno = EMSGSIZE; \
+			return (-1); \
+		} \
+		CONSUME_SRC; \
+	} while (0)
+
+int
+ns_rdata_refers(ns_type type,
+		const u_char *rdata, size_t rdlen,
+		const u_char *nname)
+{
+	switch (type) {
+	case ns_t_cname:
+	case ns_t_mb:
+	case ns_t_mg:
+	case ns_t_mr:
+	case ns_t_ns:
+	case ns_t_ptr:
+	case ns_t_dname:
+		REFERS_DNAME;
+		break;
+	case ns_t_soa:
+		REFERS_DNAME;
+		REFERS_DNAME;
+		REFERS_SOME(NS_INT32SZ * 5);
+		break;
+	case ns_t_mx:
+	case ns_t_afsdb:
+	case ns_t_rt:
+		REFERS_SOME(NS_INT16SZ);
+		REFERS_DNAME;
+		break;
+	case ns_t_px:
+		REFERS_SOME(NS_INT16SZ);
+		REFERS_DNAME;
+		REFERS_DNAME;
+		break;
+	case ns_t_srv:
+		REFERS_SOME(NS_INT16SZ * 3);
+		REFERS_DNAME;
+		break;
+	case ns_t_minfo:
+	case ns_t_rp:
+		REFERS_DNAME;
+		REFERS_DNAME;
+		break;
+	default:
+		REFERS_SOME(rdlen);
+		break;
+	}
+	if (rdlen != 0) {
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	return (0);
+}
diff --git a/usr/src/lib/libresolv2_joy/common/nameser/ns_samedomain.c b/usr/src/lib/libresolv2_joy/common/nameser/ns_samedomain.c
new file mode 100644
index 0000000000..5e9f5cab54
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/nameser/ns_samedomain.c
@@ -0,0 +1,207 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1995,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef lint
+static const char rcsid[] = "$Id: ns_samedomain.c,v 1.6 2005/04/27 04:56:40 sra Exp $";
+#endif
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <arpa/nameser.h>
+#include <errno.h>
+#include <string.h>
+
+#include "port_after.h"
+
+/*%
+ *	Check whether a name belongs to a domain.
+ *
+ * Inputs:
+ *\li	a - the domain whose ancestory is being verified
+ *\li	b - the potential ancestor we're checking against
+ *
+ * Return:
+ *\li	boolean - is a at or below b?
+ *
+ * Notes:
+ *\li	Trailing dots are first removed from name and domain.
+ *	Always compare complete subdomains, not only whether the
+ *	domain name is the trailing string of the given name.
+ *
+ *\li	"host.foobar.top" lies in "foobar.top" and in "top" and in ""
+ *	but NOT in "bar.top"
+ */
+
+int
+ns_samedomain(const char *a, const char *b) {
+	size_t la, lb;
+	int diff, i, escaped;
+	const char *cp;
+
+	la = strlen(a);
+	lb = strlen(b);
+
+	/* Ignore a trailing label separator (i.e. an unescaped dot) in 'a'. */
+	if (la != 0U && a[la - 1] == '.') {
+		escaped = 0;
+		/* Note this loop doesn't get executed if la==1. */
+		for (i = la - 2; i >= 0; i--)
+			if (a[i] == '\\') {
+				if (escaped)
+					escaped = 0;
+				else
+					escaped = 1;
+			} else
+				break;
+		if (!escaped)
+			la--;
+	}
+
+	/* Ignore a trailing label separator (i.e. an unescaped dot) in 'b'. */
+	if (lb != 0U && b[lb - 1] == '.') {
+		escaped = 0;
+		/* note this loop doesn't get executed if lb==1 */
+		for (i = lb - 2; i >= 0; i--)
+			if (b[i] == '\\') {
+				if (escaped)
+					escaped = 0;
+				else
+					escaped = 1;
+			} else
+				break;
+		if (!escaped)
+			lb--;
+	}
+
+	/* lb == 0 means 'b' is the root domain, so 'a' must be in 'b'. */
+	if (lb == 0U)
+		return (1);
+
+	/* 'b' longer than 'a' means 'a' can't be in 'b'. */
+	if (lb > la)
+		return (0);
+
+	/* 'a' and 'b' being equal at this point indicates sameness. */
+	if (lb == la)
+		return (strncasecmp(a, b, lb) == 0);
+
+	/* Ok, we know la > lb. */
+
+	diff = la - lb;
+
+	/*
+	 * If 'a' is only 1 character longer than 'b', then it can't be
+	 * a subdomain of 'b' (because of the need for the '.' label
+	 * separator).
+	 */
+	if (diff < 2)
+		return (0);
+
+	/*
+	 * If the character before the last 'lb' characters of 'b'
+	 * isn't '.', then it can't be a match (this lets us avoid
+	 * having "foobar.com" match "bar.com").
+	 */
+	if (a[diff - 1] != '.')
+		return (0);
+
+	/*
+	 * We're not sure about that '.', however.  It could be escaped
+         * and thus not a really a label separator.
+	 */
+	escaped = 0;
+	for (i = diff - 2; i >= 0; i--)
+		if (a[i] == '\\') {
+			if (escaped)
+				escaped = 0;
+			else
+				escaped = 1;
+		} else
+			break;
+	if (escaped)
+		return (0);
+	  
+	/* Now compare aligned trailing substring. */
+	cp = a + diff;
+	return (strncasecmp(cp, b, lb) == 0);
+}
+
+/*%
+ *	is "a" a subdomain of "b"?
+ */
+int
+ns_subdomain(const char *a, const char *b) {
+	return (ns_samename(a, b) != 1 && ns_samedomain(a, b));
+}
+
+/*%
+ *	make a canonical copy of domain name "src"
+ *
+ * notes:
+ * \code
+ *	foo -> foo.
+ *	foo. -> foo.
+ *	foo.. -> foo.
+ *	foo\. -> foo\..
+ *	foo\\. -> foo\\.
+ * \endcode
+ */
+
+int
+ns_makecanon(const char *src, char *dst, size_t dstsize) {
+	size_t n = strlen(src);
+
+	if (n + sizeof "." > dstsize) {			/*%< Note: sizeof == 2 */
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	strcpy(dst, src);
+	while (n >= 1U && dst[n - 1] == '.')		/*%< Ends in "." */
+		if (n >= 2U && dst[n - 2] == '\\' &&	/*%< Ends in "\." */
+		    (n < 3U || dst[n - 3] != '\\'))	/*%< But not "\\." */
+			break;
+		else
+			dst[--n] = '\0';
+	dst[n++] = '.';
+	dst[n] = '\0';
+	return (0);
+}
+
+/*%
+ *	determine whether domain name "a" is the same as domain name "b"
+ *
+ * return:
+ *\li	-1 on error
+ *\li	0 if names differ
+ *\li	1 if names are the same
+ */
+
+int
+ns_samename(const char *a, const char *b) {
+	char ta[NS_MAXDNAME], tb[NS_MAXDNAME];
+
+	if (ns_makecanon(a, ta, sizeof ta) < 0 ||
+	    ns_makecanon(b, tb, sizeof tb) < 0)
+		return (-1);
+	if (strcasecmp(ta, tb) == 0)
+		return (1);
+	else
+		return (0);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/nameser/ns_sign.c b/usr/src/lib/libresolv2_joy/common/nameser/ns_sign.c
new file mode 100644
index 0000000000..fc7dd19f7b
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/nameser/ns_sign.c
@@ -0,0 +1,387 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1999 by Internet Software Consortium, Inc.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef lint
+static const char rcsid[] = "$Id: ns_sign.c,v 1.6 2006/03/09 23:57:56 marka Exp $";
+#endif
+
+/* Import. */
+
+#include "port_before.h"
+#include "fd_setsize.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+
+#include <errno.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <isc/dst.h>
+#include <isc/assertions.h>
+
+#include "port_after.h"
+
+#define BOUNDS_CHECK(ptr, count) \
+	do { \
+		if ((ptr) + (count) > eob) { \
+			errno = EMSGSIZE; \
+			return(NS_TSIG_ERROR_NO_SPACE); \
+		} \
+	} while (0)
+
+/*%
+ *  ns_sign
+ *
+ * Parameters:
+ *\li	msg		message to be sent
+ *\li	msglen		input - length of message
+ *			output - length of signed message
+ *\li	msgsize		length of buffer containing message
+ *\li	error		value to put in the error field
+ *\li	key		tsig key used for signing
+ *\li	querysig	(response), the signature in the query
+ *\li	querysiglen	(response), the length of the signature in the query
+ *\li	sig		a buffer to hold the generated signature
+ *\li	siglen		input - length of signature buffer
+ *			output - length of signature
+ *
+ * Errors:
+ *\li	- bad input data (-1)
+ *\li	- bad key / sign failed (-BADKEY)
+ *\li	- not enough space (NS_TSIG_ERROR_NO_SPACE)
+ */
+int
+ns_sign(u_char *msg, int *msglen, int msgsize, int error, void *k,
+	const u_char *querysig, int querysiglen, u_char *sig, int *siglen,
+	time_t in_timesigned)
+{
+	return(ns_sign2(msg, msglen, msgsize, error, k,
+			querysig, querysiglen, sig, siglen,
+			in_timesigned, NULL, NULL));
+}
+
+int
+ns_sign2(u_char *msg, int *msglen, int msgsize, int error, void *k,
+	 const u_char *querysig, int querysiglen, u_char *sig, int *siglen,
+	 time_t in_timesigned, u_char **dnptrs, u_char **lastdnptr)
+{
+	HEADER *hp = (HEADER *)msg;
+	DST_KEY *key = (DST_KEY *)k;
+	u_char *cp, *eob;
+	u_char *lenp;
+	u_char *alg;
+	int n;
+	time_t timesigned;
+        u_char name[NS_MAXCDNAME];
+
+	dst_init();
+	if (msg == NULL || msglen == NULL || sig == NULL || siglen == NULL)
+		return (-1);
+
+	cp = msg + *msglen;
+	eob = msg + msgsize;
+
+	/* Name. */
+	if (key != NULL && error != ns_r_badsig && error != ns_r_badkey) {
+		n = ns_name_pton(key->dk_key_name, name, sizeof name);
+		if (n != -1)
+			n = ns_name_pack(name, cp, eob - cp,
+					 (const u_char **)dnptrs,
+					 (const u_char **)lastdnptr);
+
+	} else {
+		n = ns_name_pton("", name, sizeof name);
+		if (n != -1)
+			n = ns_name_pack(name, cp, eob - cp, NULL, NULL);
+	}
+	if (n < 0)
+		return (NS_TSIG_ERROR_NO_SPACE);
+	cp += n;
+
+	/* Type, class, ttl, length (not filled in yet). */
+	BOUNDS_CHECK(cp, INT16SZ + INT16SZ + INT32SZ + INT16SZ);
+	PUTSHORT(ns_t_tsig, cp);
+	PUTSHORT(ns_c_any, cp);
+	PUTLONG(0, cp);		/*%< TTL */
+	lenp = cp;
+	cp += 2;
+
+	/* Alg. */
+	if (key != NULL && error != ns_r_badsig && error != ns_r_badkey) {
+		if (key->dk_alg != KEY_HMAC_MD5)
+			return (-ns_r_badkey);
+		n = dn_comp(NS_TSIG_ALG_HMAC_MD5, cp, eob - cp, NULL, NULL);
+	}
+	else
+		n = dn_comp("", cp, eob - cp, NULL, NULL);
+	if (n < 0)
+		return (NS_TSIG_ERROR_NO_SPACE);
+	alg = cp;
+	cp += n;
+	
+	/* Time. */
+	BOUNDS_CHECK(cp, INT16SZ + INT32SZ + INT16SZ);
+	PUTSHORT(0, cp);
+	timesigned = time(NULL);
+	if (error != ns_r_badtime)
+		PUTLONG(timesigned, cp);
+	else
+		PUTLONG(in_timesigned, cp);
+	PUTSHORT(NS_TSIG_FUDGE, cp);
+
+	/* Compute the signature. */
+	if (key != NULL && error != ns_r_badsig && error != ns_r_badkey) {
+		void *ctx;
+		u_char buf[NS_MAXCDNAME], *cp2;
+		int n;
+
+		dst_sign_data(SIG_MODE_INIT, key, &ctx, NULL, 0, NULL, 0);
+
+		/* Digest the query signature, if this is a response. */
+		if (querysiglen > 0 && querysig != NULL) {
+			u_int16_t len_n = htons(querysiglen);
+			dst_sign_data(SIG_MODE_UPDATE, key, &ctx,
+				      (u_char *)&len_n, INT16SZ, NULL, 0);
+			dst_sign_data(SIG_MODE_UPDATE, key, &ctx,
+				      querysig, querysiglen, NULL, 0);
+		}
+
+		/* Digest the message. */
+		dst_sign_data(SIG_MODE_UPDATE, key, &ctx, msg, *msglen,
+			      NULL, 0);
+
+		/* Digest the key name. */
+		n = ns_name_ntol(name, buf, sizeof(buf));
+		INSIST(n > 0);
+		dst_sign_data(SIG_MODE_UPDATE, key, &ctx, buf, n, NULL, 0);
+
+		/* Digest the class and TTL. */
+		cp2 = buf;
+		PUTSHORT(ns_c_any, cp2);
+		PUTLONG(0, cp2);
+		dst_sign_data(SIG_MODE_UPDATE, key, &ctx, buf, cp2-buf,
+			      NULL, 0);
+
+		/* Digest the algorithm. */
+		n = ns_name_ntol(alg, buf, sizeof(buf));
+		INSIST(n > 0);
+		dst_sign_data(SIG_MODE_UPDATE, key, &ctx, buf, n, NULL, 0);
+
+		/* Digest the time signed, fudge, error, and other data */
+		cp2 = buf;
+		PUTSHORT(0, cp2);	/*%< Top 16 bits of time */
+		if (error != ns_r_badtime)
+			PUTLONG(timesigned, cp2);
+		else
+			PUTLONG(in_timesigned, cp2);
+		PUTSHORT(NS_TSIG_FUDGE, cp2);
+		PUTSHORT(error, cp2);	/*%< Error */
+		if (error != ns_r_badtime)
+			PUTSHORT(0, cp2);	/*%< Other data length */
+		else {
+			PUTSHORT(INT16SZ+INT32SZ, cp2);	/*%< Other data length */
+			PUTSHORT(0, cp2);	/*%< Top 16 bits of time */
+			PUTLONG(timesigned, cp2);
+		}
+		dst_sign_data(SIG_MODE_UPDATE, key, &ctx, buf, cp2-buf,
+			      NULL, 0);
+
+		n = dst_sign_data(SIG_MODE_FINAL, key, &ctx, NULL, 0,
+				  sig, *siglen);
+		if (n < 0)
+			return (-ns_r_badkey);
+		*siglen = n;
+	} else
+		*siglen = 0;
+
+	/* Add the signature. */
+	BOUNDS_CHECK(cp, INT16SZ + (*siglen));
+	PUTSHORT(*siglen, cp);
+	memcpy(cp, sig, *siglen);
+	cp += (*siglen);
+
+	/* The original message ID & error. */
+	BOUNDS_CHECK(cp, INT16SZ + INT16SZ);
+	PUTSHORT(ntohs(hp->id), cp);	/*%< already in network order */
+	PUTSHORT(error, cp);
+
+	/* Other data. */
+	BOUNDS_CHECK(cp, INT16SZ);
+	if (error != ns_r_badtime)
+		PUTSHORT(0, cp);	/*%< Other data length */
+	else {
+		PUTSHORT(INT16SZ+INT32SZ, cp);	/*%< Other data length */
+		BOUNDS_CHECK(cp, INT32SZ+INT16SZ);
+		PUTSHORT(0, cp);	/*%< Top 16 bits of time */
+		PUTLONG(timesigned, cp);
+	}
+
+	/* Go back and fill in the length. */
+	PUTSHORT(cp - lenp - INT16SZ, lenp);
+
+	hp->arcount = htons(ntohs(hp->arcount) + 1);
+	*msglen = (cp - msg);
+	return (0);
+}
+
+int
+ns_sign_tcp_init(void *k, const u_char *querysig, int querysiglen,
+		 ns_tcp_tsig_state *state)
+{
+	dst_init();
+	if (state == NULL || k == NULL || querysig == NULL || querysiglen < 0)
+		return (-1);
+	state->counter = -1;
+	state->key = k;
+	if (state->key->dk_alg != KEY_HMAC_MD5)
+		return (-ns_r_badkey);
+	if (querysiglen > (int)sizeof(state->sig))
+		return (-1);
+	memcpy(state->sig, querysig, querysiglen);
+	state->siglen = querysiglen;
+	return (0);
+}
+
+int
+ns_sign_tcp(u_char *msg, int *msglen, int msgsize, int error,
+	    ns_tcp_tsig_state *state, int done)
+{
+	return (ns_sign_tcp2(msg, msglen, msgsize, error, state,
+			     done, NULL, NULL));
+}
+
+int
+ns_sign_tcp2(u_char *msg, int *msglen, int msgsize, int error,
+	     ns_tcp_tsig_state *state, int done,
+	     u_char **dnptrs, u_char **lastdnptr)
+{
+	u_char *cp, *eob, *lenp;
+	u_char buf[MAXDNAME], *cp2;
+	HEADER *hp = (HEADER *)msg;
+	time_t timesigned;
+	int n;
+
+	if (msg == NULL || msglen == NULL || state == NULL)
+		return (-1);
+
+	state->counter++;
+	if (state->counter == 0)
+		return (ns_sign2(msg, msglen, msgsize, error, state->key,
+				 state->sig, state->siglen,
+				 state->sig, &state->siglen, 0,
+				 dnptrs, lastdnptr));
+
+	if (state->siglen > 0) {
+		u_int16_t siglen_n = htons(state->siglen);
+		dst_sign_data(SIG_MODE_INIT, state->key, &state->ctx,
+			      NULL, 0, NULL, 0);
+		dst_sign_data(SIG_MODE_UPDATE, state->key, &state->ctx,
+			      (u_char *)&siglen_n, INT16SZ, NULL, 0);
+		dst_sign_data(SIG_MODE_UPDATE, state->key, &state->ctx,
+			      state->sig, state->siglen, NULL, 0);
+		state->siglen = 0;
+	}
+
+	dst_sign_data(SIG_MODE_UPDATE, state->key, &state->ctx, msg, *msglen,
+		      NULL, 0);
+
+	if (done == 0 && (state->counter % 100 != 0))
+		return (0);
+
+	cp = msg + *msglen;
+	eob = msg + msgsize;
+
+	/* Name. */
+	n = dn_comp(state->key->dk_key_name, cp, eob - cp, dnptrs, lastdnptr);
+	if (n < 0)
+		return (NS_TSIG_ERROR_NO_SPACE);
+	cp += n;
+
+	/* Type, class, ttl, length (not filled in yet). */
+	BOUNDS_CHECK(cp, INT16SZ + INT16SZ + INT32SZ + INT16SZ);
+	PUTSHORT(ns_t_tsig, cp);
+	PUTSHORT(ns_c_any, cp);
+	PUTLONG(0, cp);		/*%< TTL */
+	lenp = cp;
+	cp += 2;
+
+	/* Alg. */
+	n = dn_comp(NS_TSIG_ALG_HMAC_MD5, cp, eob - cp, NULL, NULL);
+	if (n < 0)
+		return (NS_TSIG_ERROR_NO_SPACE);
+	cp += n;
+	
+	/* Time. */
+	BOUNDS_CHECK(cp, INT16SZ + INT32SZ + INT16SZ);
+	PUTSHORT(0, cp);
+	timesigned = time(NULL);
+	PUTLONG(timesigned, cp);
+	PUTSHORT(NS_TSIG_FUDGE, cp);
+
+	/*
+	 * Compute the signature.
+	 */
+
+	/* Digest the time signed and fudge. */
+	cp2 = buf;
+	PUTSHORT(0, cp2);	/*%< Top 16 bits of time */
+	PUTLONG(timesigned, cp2);
+	PUTSHORT(NS_TSIG_FUDGE, cp2);
+
+	dst_sign_data(SIG_MODE_UPDATE, state->key, &state->ctx,
+		      buf, cp2 - buf, NULL, 0);
+
+	n = dst_sign_data(SIG_MODE_FINAL, state->key, &state->ctx, NULL, 0,
+			  state->sig, sizeof(state->sig));
+	if (n < 0)
+		return (-ns_r_badkey);
+	state->siglen = n;
+
+	/* Add the signature. */
+	BOUNDS_CHECK(cp, INT16SZ + state->siglen);
+	PUTSHORT(state->siglen, cp);
+	memcpy(cp, state->sig, state->siglen);
+	cp += state->siglen;
+
+	/* The original message ID & error. */
+	BOUNDS_CHECK(cp, INT16SZ + INT16SZ);
+	PUTSHORT(ntohs(hp->id), cp);	/*%< already in network order */
+	PUTSHORT(error, cp);
+
+	/* Other data. */
+	BOUNDS_CHECK(cp, INT16SZ);
+	PUTSHORT(0, cp);
+
+	/* Go back and fill in the length. */
+	PUTSHORT(cp - lenp - INT16SZ, lenp);
+
+	hp->arcount = htons(ntohs(hp->arcount) + 1);
+	*msglen = (cp - msg);
+	return (0);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/nameser/ns_ttl.c b/usr/src/lib/libresolv2_joy/common/nameser/ns_ttl.c
new file mode 100644
index 0000000000..69c2f83f57
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/nameser/ns_ttl.c
@@ -0,0 +1,162 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef lint
+static const char rcsid[] = "$Id: ns_ttl.c,v 1.4 2005/07/28 06:51:49 marka Exp $";
+#endif
+
+/* Import. */
+
+#include "port_before.h"
+
+#include <arpa/nameser.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "port_after.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) ((size_t)sprintf x)
+#endif
+
+/* Forward. */
+
+static int	fmt1(int t, char s, char **buf, size_t *buflen);
+
+/* Macros. */
+
+#define T(x) if ((x) < 0) return (-1); else (void)NULL
+
+/* Public. */
+
+int
+ns_format_ttl(u_long src, char *dst, size_t dstlen) {
+	char *odst = dst;
+	int secs, mins, hours, days, weeks, x;
+	char *p;
+
+	secs = src % 60;   src /= 60;
+	mins = src % 60;   src /= 60;
+	hours = src % 24;  src /= 24;
+	days = src % 7;    src /= 7;
+	weeks = src;       src = 0;
+
+	x = 0;
+	if (weeks) {
+		T(fmt1(weeks, 'W', &dst, &dstlen));
+		x++;
+	}
+	if (days) {
+		T(fmt1(days, 'D', &dst, &dstlen));
+		x++;
+	}
+	if (hours) {
+		T(fmt1(hours, 'H', &dst, &dstlen));
+		x++;
+	}
+	if (mins) {
+		T(fmt1(mins, 'M', &dst, &dstlen));
+		x++;
+	}
+	if (secs || !(weeks || days || hours || mins)) {
+		T(fmt1(secs, 'S', &dst, &dstlen));
+		x++;
+	}
+
+	if (x > 1) {
+		int ch;
+
+		for (p = odst; (ch = *p) != '\0'; p++)
+			if (isascii(ch) && isupper(ch))
+				*p = tolower(ch);
+	}
+
+	return (dst - odst);
+}
+
+int
+ns_parse_ttl(const char *src, u_long *dst) {
+	u_long ttl, tmp;
+	int ch, digits, dirty;
+
+	ttl = 0;
+	tmp = 0;
+	digits = 0;
+	dirty = 0;
+	while ((ch = *src++) != '\0') {
+		if (!isascii(ch) || !isprint(ch))
+			goto einval;
+		if (isdigit(ch)) {
+			tmp *= 10;
+			tmp += (ch - '0');
+			digits++;
+			continue;
+		}
+		if (digits == 0)
+			goto einval;
+		if (islower(ch))
+			ch = toupper(ch);
+		switch (ch) {
+		case 'W':  tmp *= 7;
+		case 'D':  tmp *= 24;
+		case 'H':  tmp *= 60;
+		case 'M':  tmp *= 60;
+		case 'S':  break;
+		default:   goto einval;
+		}
+		ttl += tmp;
+		tmp = 0;
+		digits = 0;
+		dirty = 1;
+	}
+	if (digits > 0) {
+		if (dirty)
+			goto einval;
+		else
+			ttl += tmp;
+	} else if (!dirty)
+		goto einval;
+	*dst = ttl;
+	return (0);
+
+ einval:
+	errno = EINVAL;
+	return (-1);
+}
+
+/* Private. */
+
+static int
+fmt1(int t, char s, char **buf, size_t *buflen) {
+	char tmp[50];
+	size_t len;
+
+	len = SPRINTF((tmp, "%d%c", t, s));
+	if (len + 1 > *buflen)
+		return (-1);
+	strcpy(*buf, tmp);
+	*buf += len;
+	*buflen -= len;
+	return (0);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/nameser/ns_verify.c b/usr/src/lib/libresolv2_joy/common/nameser/ns_verify.c
new file mode 100644
index 0000000000..b4b63d4641
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/nameser/ns_verify.c
@@ -0,0 +1,484 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1999 by Internet Software Consortium, Inc.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef lint
+static const char rcsid[] = "$Id: ns_verify.c,v 1.5 2006/03/09 23:57:56 marka Exp $";
+#endif
+
+/* Import. */
+
+#include "port_before.h"
+#include "fd_setsize.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+
+#include <errno.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <isc/dst.h>
+
+#include "port_after.h"
+
+/* Private. */
+
+#define BOUNDS_CHECK(ptr, count) \
+	do { \
+		if ((ptr) + (count) > eom) { \
+			return (NS_TSIG_ERROR_FORMERR); \
+		} \
+	} while (0)
+
+/* Public. */
+
+u_char *
+ns_find_tsig(u_char *msg, u_char *eom) {
+	HEADER *hp = (HEADER *)msg;
+	int n, type;
+	u_char *cp = msg, *start;
+
+	if (msg == NULL || eom == NULL || msg > eom)
+		return (NULL);
+
+	if (cp + HFIXEDSZ >= eom)
+		return (NULL);
+
+	if (hp->arcount == 0)
+		return (NULL);
+
+	cp += HFIXEDSZ;
+
+	n = ns_skiprr(cp, eom, ns_s_qd, ntohs(hp->qdcount));
+	if (n < 0)
+		return (NULL);
+	cp += n;
+
+	n = ns_skiprr(cp, eom, ns_s_an, ntohs(hp->ancount));
+	if (n < 0)
+		return (NULL);
+	cp += n;
+
+	n = ns_skiprr(cp, eom, ns_s_ns, ntohs(hp->nscount));
+	if (n < 0)
+		return (NULL);
+	cp += n;
+
+	n = ns_skiprr(cp, eom, ns_s_ar, ntohs(hp->arcount) - 1);
+	if (n < 0)
+		return (NULL);
+	cp += n;
+
+	start = cp;
+	n = dn_skipname(cp, eom);
+	if (n < 0)
+		return (NULL);
+	cp += n;
+	if (cp + INT16SZ >= eom)
+		return (NULL);
+
+	GETSHORT(type, cp);
+	if (type != ns_t_tsig)
+		return (NULL);
+	return (start);
+}
+
+/* ns_verify
+ *
+ * Parameters:
+ *\li	statp		res stuff
+ *\li	msg		received message
+ *\li	msglen		length of message
+ *\li	key		tsig key used for verifying.
+ *\li	querysig	(response), the signature in the query
+ *\li	querysiglen	(response), the length of the signature in the query
+ *\li	sig		(query), a buffer to hold the signature
+ *\li	siglen		(query), input - length of signature buffer
+ *				 output - length of signature
+ *
+ * Errors:
+ *\li	- bad input (-1)
+ *\li	- invalid dns message (NS_TSIG_ERROR_FORMERR)
+ *\li	- TSIG is not present (NS_TSIG_ERROR_NO_TSIG)
+ *\li	- key doesn't match (-ns_r_badkey)
+ *\li	- TSIG verification fails with BADKEY (-ns_r_badkey)
+ *\li	- TSIG verification fails with BADSIG (-ns_r_badsig)
+ *\li	- TSIG verification fails with BADTIME (-ns_r_badtime)
+ *\li	- TSIG verification succeeds, error set to BAKEY (ns_r_badkey)
+ *\li	- TSIG verification succeeds, error set to BADSIG (ns_r_badsig)
+ *\li	- TSIG verification succeeds, error set to BADTIME (ns_r_badtime)
+ */
+int
+ns_verify(u_char *msg, int *msglen, void *k,
+	  const u_char *querysig, int querysiglen, u_char *sig, int *siglen,
+	  time_t *timesigned, int nostrip)
+{
+	HEADER *hp = (HEADER *)msg;
+	DST_KEY *key = (DST_KEY *)k;
+	u_char *cp = msg, *eom;
+	char name[MAXDNAME], alg[MAXDNAME];
+	u_char *recstart, *rdatastart;
+	u_char *sigstart, *otherstart;
+	int n;
+	int error;
+	u_int16_t type, length;
+	u_int16_t fudge, sigfieldlen, otherfieldlen;
+
+	dst_init();
+	if (msg == NULL || msglen == NULL || *msglen < 0)
+		return (-1);
+
+	eom = msg + *msglen;
+
+	recstart = ns_find_tsig(msg, eom);
+	if (recstart == NULL)
+		return (NS_TSIG_ERROR_NO_TSIG);
+
+	cp = recstart;
+
+	/* Read the key name. */
+	n = dn_expand(msg, eom, cp, name, MAXDNAME);
+	if (n < 0)
+		return (NS_TSIG_ERROR_FORMERR);
+	cp += n;
+
+	/* Read the type. */
+	BOUNDS_CHECK(cp, 2*INT16SZ + INT32SZ + INT16SZ);
+	GETSHORT(type, cp);
+	if (type != ns_t_tsig)
+		return (NS_TSIG_ERROR_NO_TSIG);
+
+	/* Skip the class and TTL, save the length. */
+	cp += INT16SZ + INT32SZ;
+	GETSHORT(length, cp);
+	if (eom - cp != length)
+		return (NS_TSIG_ERROR_FORMERR);
+
+	/* Read the algorithm name. */
+	rdatastart = cp;
+	n = dn_expand(msg, eom, cp, alg, MAXDNAME);
+	if (n < 0)
+		return (NS_TSIG_ERROR_FORMERR);
+	if (ns_samename(alg, NS_TSIG_ALG_HMAC_MD5) != 1)
+		return (-ns_r_badkey);
+	cp += n;
+
+	/* Read the time signed and fudge. */
+	BOUNDS_CHECK(cp, INT16SZ + INT32SZ + INT16SZ);
+	cp += INT16SZ;
+	GETLONG((*timesigned), cp);
+	GETSHORT(fudge, cp);
+
+	/* Read the signature. */
+	BOUNDS_CHECK(cp, INT16SZ);
+	GETSHORT(sigfieldlen, cp);
+	BOUNDS_CHECK(cp, sigfieldlen);
+	sigstart = cp;
+	cp += sigfieldlen;
+
+	/* Skip id and read error. */
+	BOUNDS_CHECK(cp, 2*INT16SZ);
+	cp += INT16SZ;
+	GETSHORT(error, cp);
+
+	/* Parse the other data. */
+	BOUNDS_CHECK(cp, INT16SZ);
+	GETSHORT(otherfieldlen, cp);
+	BOUNDS_CHECK(cp, otherfieldlen);
+	otherstart = cp;
+	cp += otherfieldlen;
+
+	if (cp != eom)
+		return (NS_TSIG_ERROR_FORMERR);
+
+	/* Verify that the key used is OK. */
+	if (key != NULL) {
+		if (key->dk_alg != KEY_HMAC_MD5)
+			return (-ns_r_badkey);
+		if (error != ns_r_badsig && error != ns_r_badkey) {
+			if (ns_samename(key->dk_key_name, name) != 1)
+				return (-ns_r_badkey);
+		}
+	}
+
+	hp->arcount = htons(ntohs(hp->arcount) - 1);
+
+	/*
+	 * Do the verification.
+	 */
+
+	if (key != NULL && error != ns_r_badsig && error != ns_r_badkey) {
+		void *ctx;
+		u_char buf[MAXDNAME];
+		u_char buf2[MAXDNAME];
+
+		/* Digest the query signature, if this is a response. */
+		dst_verify_data(SIG_MODE_INIT, key, &ctx, NULL, 0, NULL, 0);
+		if (querysiglen > 0 && querysig != NULL) {
+			u_int16_t len_n = htons(querysiglen);
+			dst_verify_data(SIG_MODE_UPDATE, key, &ctx,
+					(u_char *)&len_n, INT16SZ, NULL, 0);
+			dst_verify_data(SIG_MODE_UPDATE, key, &ctx,
+					querysig, querysiglen, NULL, 0);
+		}
+		
+ 		/* Digest the message. */
+		dst_verify_data(SIG_MODE_UPDATE, key, &ctx, msg, recstart - msg,
+				NULL, 0);
+
+		/* Digest the key name. */
+		n = ns_name_pton(name, buf2, sizeof(buf2));
+		if (n < 0)
+			return (-1);
+		n = ns_name_ntol(buf2, buf, sizeof(buf));
+		if (n < 0)
+			return (-1);
+		dst_verify_data(SIG_MODE_UPDATE, key, &ctx, buf, n, NULL, 0);
+
+		/* Digest the class and TTL. */
+		dst_verify_data(SIG_MODE_UPDATE, key, &ctx,
+				recstart + dn_skipname(recstart, eom) + INT16SZ,
+				INT16SZ + INT32SZ, NULL, 0);
+
+		/* Digest the algorithm. */
+		n = ns_name_pton(alg, buf2, sizeof(buf2));
+		if (n < 0)
+			return (-1);
+		n = ns_name_ntol(buf2, buf, sizeof(buf));
+		if (n < 0)
+			return (-1);
+		dst_verify_data(SIG_MODE_UPDATE, key, &ctx, buf, n, NULL, 0);
+
+		/* Digest the time signed and fudge. */
+		dst_verify_data(SIG_MODE_UPDATE, key, &ctx,
+				rdatastart + dn_skipname(rdatastart, eom),
+				INT16SZ + INT32SZ + INT16SZ, NULL, 0);
+
+		/* Digest the error and other data. */
+		dst_verify_data(SIG_MODE_UPDATE, key, &ctx,
+				otherstart - INT16SZ - INT16SZ,
+				otherfieldlen + INT16SZ + INT16SZ, NULL, 0);
+
+		n = dst_verify_data(SIG_MODE_FINAL, key, &ctx, NULL, 0,
+				    sigstart, sigfieldlen);
+
+		if (n < 0)
+			return (-ns_r_badsig);
+
+		if (sig != NULL && siglen != NULL) {
+			if (*siglen < sigfieldlen)
+				return (NS_TSIG_ERROR_NO_SPACE);
+			memcpy(sig, sigstart, sigfieldlen);
+			*siglen = sigfieldlen;
+		}
+	} else {
+		if (sigfieldlen > 0)
+			return (NS_TSIG_ERROR_FORMERR);
+		if (sig != NULL && siglen != NULL)
+			*siglen = 0;
+	}
+
+	/* Reset the counter, since we still need to check for badtime. */
+	hp->arcount = htons(ntohs(hp->arcount) + 1);
+
+	/* Verify the time. */
+	if (abs((*timesigned) - time(NULL)) > fudge)
+		return (-ns_r_badtime);
+
+	if (nostrip == 0) {
+		*msglen = recstart - msg;
+		hp->arcount = htons(ntohs(hp->arcount) - 1);
+	}
+
+	if (error != NOERROR)
+		return (error);
+
+	return (0);
+}
+
+int
+ns_verify_tcp_init(void *k, const u_char *querysig, int querysiglen,
+		   ns_tcp_tsig_state *state)
+{
+	dst_init();
+	if (state == NULL || k == NULL || querysig == NULL || querysiglen < 0)
+		return (-1);
+	state->counter = -1;
+	state->key = k;
+	if (state->key->dk_alg != KEY_HMAC_MD5)
+		return (-ns_r_badkey);
+	if (querysiglen > (int)sizeof(state->sig))
+		return (-1);
+	memcpy(state->sig, querysig, querysiglen);
+	state->siglen = querysiglen;
+	return (0);
+}
+
+int
+ns_verify_tcp(u_char *msg, int *msglen, ns_tcp_tsig_state *state,
+	      int required)
+{
+	HEADER *hp = (HEADER *)msg;
+	u_char *recstart, *sigstart;
+	unsigned int sigfieldlen, otherfieldlen;
+	u_char *cp, *eom, *cp2;
+	char name[MAXDNAME], alg[MAXDNAME];
+	u_char buf[MAXDNAME];
+	int n, type, length, fudge, error;
+	time_t timesigned;
+
+	if (msg == NULL || msglen == NULL || state == NULL)
+		return (-1);
+
+	eom = msg + *msglen;
+
+	state->counter++;
+	if (state->counter == 0)
+		return (ns_verify(msg, msglen, state->key,
+				  state->sig, state->siglen,
+				  state->sig, &state->siglen, &timesigned, 0));
+
+	if (state->siglen > 0) {
+		u_int16_t siglen_n = htons(state->siglen);
+
+		dst_verify_data(SIG_MODE_INIT, state->key, &state->ctx,
+				NULL, 0, NULL, 0);
+		dst_verify_data(SIG_MODE_UPDATE, state->key, &state->ctx,
+				(u_char *)&siglen_n, INT16SZ, NULL, 0);
+		dst_verify_data(SIG_MODE_UPDATE, state->key, &state->ctx,
+				state->sig, state->siglen, NULL, 0);
+		state->siglen = 0;
+	}
+
+	cp = recstart = ns_find_tsig(msg, eom);
+
+	if (recstart == NULL) {
+		if (required)
+			return (NS_TSIG_ERROR_NO_TSIG);
+		dst_verify_data(SIG_MODE_UPDATE, state->key, &state->ctx,
+				msg, *msglen, NULL, 0);
+		return (0);
+	}
+
+	hp->arcount = htons(ntohs(hp->arcount) - 1);
+	dst_verify_data(SIG_MODE_UPDATE, state->key, &state->ctx,
+			msg, recstart - msg, NULL, 0);
+	
+	/* Read the key name. */
+	n = dn_expand(msg, eom, cp, name, MAXDNAME);
+	if (n < 0)
+		return (NS_TSIG_ERROR_FORMERR);
+	cp += n;
+
+	/* Read the type. */
+	BOUNDS_CHECK(cp, 2*INT16SZ + INT32SZ + INT16SZ);
+	GETSHORT(type, cp);
+	if (type != ns_t_tsig)
+		return (NS_TSIG_ERROR_NO_TSIG);
+
+	/* Skip the class and TTL, save the length. */
+	cp += INT16SZ + INT32SZ;
+	GETSHORT(length, cp);
+	if (eom - cp != length)
+		return (NS_TSIG_ERROR_FORMERR);
+
+	/* Read the algorithm name. */
+	n = dn_expand(msg, eom, cp, alg, MAXDNAME);
+	if (n < 0)
+		return (NS_TSIG_ERROR_FORMERR);
+	if (ns_samename(alg, NS_TSIG_ALG_HMAC_MD5) != 1)
+		return (-ns_r_badkey);
+	cp += n;
+
+	/* Verify that the key used is OK. */
+	if ((ns_samename(state->key->dk_key_name, name) != 1 ||
+	     state->key->dk_alg != KEY_HMAC_MD5))
+		return (-ns_r_badkey);
+
+	/* Read the time signed and fudge. */
+	BOUNDS_CHECK(cp, INT16SZ + INT32SZ + INT16SZ);
+	cp += INT16SZ;
+	GETLONG(timesigned, cp);
+	GETSHORT(fudge, cp);
+
+	/* Read the signature. */
+	BOUNDS_CHECK(cp, INT16SZ);
+	GETSHORT(sigfieldlen, cp);
+	BOUNDS_CHECK(cp, sigfieldlen);
+	sigstart = cp;
+	cp += sigfieldlen;
+
+	/* Skip id and read error. */
+	BOUNDS_CHECK(cp, 2*INT16SZ);
+	cp += INT16SZ;
+	GETSHORT(error, cp);
+
+	/* Parse the other data. */
+	BOUNDS_CHECK(cp, INT16SZ);
+	GETSHORT(otherfieldlen, cp);
+	BOUNDS_CHECK(cp, otherfieldlen);
+	cp += otherfieldlen;
+
+	if (cp != eom)
+		return (NS_TSIG_ERROR_FORMERR);
+
+	/*
+	 * Do the verification.
+	 */
+
+	/* Digest the time signed and fudge. */
+	cp2 = buf;
+	PUTSHORT(0, cp2);       /*%< Top 16 bits of time. */
+	PUTLONG(timesigned, cp2);
+	PUTSHORT(NS_TSIG_FUDGE, cp2);
+
+	dst_verify_data(SIG_MODE_UPDATE, state->key, &state->ctx,
+			buf, cp2 - buf, NULL, 0);
+
+	n = dst_verify_data(SIG_MODE_FINAL, state->key, &state->ctx, NULL, 0,
+			    sigstart, sigfieldlen);
+	if (n < 0)
+		return (-ns_r_badsig);
+
+	if (sigfieldlen > sizeof(state->sig))
+		return (NS_TSIG_ERROR_NO_SPACE);
+
+	memcpy(state->sig, sigstart, sigfieldlen);
+	state->siglen = sigfieldlen;
+
+	/* Verify the time. */
+	if (abs(timesigned - time(NULL)) > fudge)
+		return (-ns_r_badtime);
+
+	*msglen = recstart - msg;
+
+	if (error != NOERROR)
+		return (error);
+
+	return (0);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/herror.c b/usr/src/lib/libresolv2_joy/common/resolv/herror.c
new file mode 100644
index 0000000000..568ce3ce68
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/herror.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 1987, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)herror.c	8.1 (Berkeley) 6/4/93";
+static const char rcsid[] = "$Id: herror.c,v 1.4 2005/04/27 04:56:41 sra Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/uio.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <string.h>
+#include <unistd.h>
+#include <irs.h>
+
+#include "port_after.h"
+
+const char *h_errlist[] = {
+	"Resolver Error 0 (no error)",
+	"Unknown host",				/*%< 1 HOST_NOT_FOUND */
+	"Host name lookup failure",		/*%< 2 TRY_AGAIN */
+	"Unknown server error",			/*%< 3 NO_RECOVERY */
+	"No address associated with name",	/*%< 4 NO_ADDRESS */
+};
+int	h_nerr = { sizeof h_errlist / sizeof h_errlist[0] };
+
+#if !(__GLIBC__ > 2 || __GLIBC__ == 2 &&  __GLIBC_MINOR__ >= 3)
+#undef	h_errno
+int	h_errno;
+#endif
+
+/*%
+ * herror --
+ *	print the error indicated by the h_errno value.
+ */
+void
+herror(const char *s) {
+	struct iovec iov[4], *v = iov;
+	char *t;
+
+	if (s != NULL && *s != '\0') {
+		DE_CONST(s, t);
+		v->iov_base = t;
+		v->iov_len = strlen(t);
+		v++;
+		DE_CONST(": ", t);
+		v->iov_base = t;
+		v->iov_len = 2;
+		v++;
+	}
+	DE_CONST(hstrerror(*__h_errno()), t);
+	v->iov_base = t;
+	v->iov_len = strlen(v->iov_base);
+	v++;
+	DE_CONST("\n", t);
+	v->iov_base = t;
+	v->iov_len = 1;
+	writev(STDERR_FILENO, iov, (v - iov) + 1);
+}
+
+/*%
+ * hstrerror --
+ *	return the string associated with a given "host" errno value.
+ */
+const char *
+hstrerror(int err) {
+	if (err < 0)
+		return ("Resolver internal error");
+	else if (err < h_nerr)
+		return (h_errlist[err]);
+	return ("Unknown resolver error");
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/mtctxres.c b/usr/src/lib/libresolv2_joy/common/resolv/mtctxres.c
new file mode 100644
index 0000000000..2e79b1e7b4
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/mtctxres.c
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+#include <port_before.h>
+#ifdef DO_PTHREADS
+#include <pthread.h>
+#endif
+#include <errno.h>
+#include <netdb.h>
+#include <stdlib.h>
+#include <string.h>
+#include <resolv_mt.h>
+#include <irs.h>
+#include <port_after.h>
+
+#ifdef DO_PTHREADS
+static pthread_key_t	key;
+static int		mt_key_initialized = 0;
+
+static int		__res_init_ctx(void);
+static void		__res_destroy_ctx(void *);
+
+#if defined(sun) && !defined(__GNUC__)
+#pragma init	(_mtctxres_init)
+#endif
+#endif
+
+static mtctxres_t	sharedctx;
+
+#ifdef DO_PTHREADS
+/*
+ * Initialize the TSD key. By doing this at library load time, we're
+ * implicitly running without interference from other threads, so there's
+ * no need for locking.
+ */
+static void
+_mtctxres_init(void) {
+	int pthread_keycreate_ret;
+
+	pthread_keycreate_ret = pthread_key_create(&key, __res_destroy_ctx);
+	if (pthread_keycreate_ret == 0)
+		mt_key_initialized = 1;
+}
+#endif
+
+/*
+ * To support binaries that used the private MT-safe interface in
+ * Solaris 8, we still need to provide the __res_enable_mt()
+ * and __res_disable_mt() entry points. They're do-nothing routines.
+ */
+int
+__res_enable_mt(void) {
+	return (-1);
+}
+
+int
+__res_disable_mt(void) {
+	return (0);
+}
+
+#ifdef DO_PTHREADS
+static int
+__res_init_ctx(void) {
+
+	mtctxres_t	*mt;
+	int		ret;
+
+
+	if (pthread_getspecific(key) != 0) {
+		/* Already exists */
+		return (0);
+	}
+
+	if ((mt = malloc(sizeof (mtctxres_t))) == 0) {
+		errno = ENOMEM;
+		return (-1);
+	}
+
+	memset(mt, 0, sizeof (mtctxres_t));
+
+	if ((ret = pthread_setspecific(key, mt)) != 0) {
+		free(mt);
+		errno = ret;
+		return (-1);
+	}
+
+	return (0);
+}
+
+static void
+__res_destroy_ctx(void *value) {
+
+	mtctxres_t	*mt = (mtctxres_t *)value;
+
+	if (mt != 0)
+		free(mt);
+}
+#endif
+
+mtctxres_t *
+___mtctxres(void) {
+#ifdef DO_PTHREADS
+	mtctxres_t	*mt;
+
+	/*
+	 * This if clause should only be executed if we are linking
+	 * statically.  When linked dynamically _mtctxres_init() should
+	 * be called at binding time due the #pragma above.
+	 */
+	if (!mt_key_initialized) {
+		static pthread_mutex_t keylock = PTHREAD_MUTEX_INITIALIZER;
+                if (pthread_mutex_lock(&keylock) == 0) {
+			_mtctxres_init();
+			(void) pthread_mutex_unlock(&keylock);
+		}
+	}
+
+	/*
+	 * If we have already been called in this thread return the existing
+	 * context.  Otherwise recreat a new context and return it.  If
+	 * that fails return a global context.
+	 */
+	if (mt_key_initialized) {
+		if (((mt = pthread_getspecific(key)) != 0) ||
+		    (__res_init_ctx() == 0 &&
+		     (mt = pthread_getspecific(key)) != 0)) {
+			return (mt);
+		}
+	}
+#endif
+	return (&sharedctx);
+}
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/res_comp.c b/usr/src/lib/libresolv2_joy/common/resolv/res_comp.c
new file mode 100644
index 0000000000..c82bf01eb8
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/res_comp.c
@@ -0,0 +1,287 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+/*
+ * Copyright (c) 1985, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ * 
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)res_comp.c	8.1 (Berkeley) 6/4/93";
+static const char rcsid[] = "$Id: res_comp.c,v 1.5 2005/07/28 06:51:50 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include "port_before.h"
+#include <sys/types.h>
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <ctype.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include "port_after.h"
+
+#ifndef	ORIGINAL_ISC_CODE
+#pragma weak	__dn_skipname	=	dn_skipname
+#pragma weak	__res_dnok	=	res_dnok
+#pragma weak	__res_hnok	=	res_hnok
+#pragma weak	__res_mailok	=	res_mailok
+#pragma weak	__res_ownok	=	res_ownok
+#endif	/* ORIGINAL_ISC_CODE */
+
+/*%
+ * Expand compressed domain name 'src' to full domain name.
+ *
+ * \li 'msg' is a pointer to the begining of the message,
+ * \li 'eom' points to the first location after the message,
+ * \li 'dst' is a pointer to a buffer of size 'dstsiz' for the result.
+ * \li Return size of compressed name or -1 if there was an error.
+ */
+int
+dn_expand(const u_char *msg, const u_char *eom, const u_char *src,
+	  char *dst, int dstsiz)
+{
+	int n = ns_name_uncompress(msg, eom, src, dst, (size_t)dstsiz);
+
+	if (n > 0 && dst[0] == '.')
+		dst[0] = '\0';
+	return (n);
+}
+
+/*%
+ * Pack domain name 'exp_dn' in presentation form into 'comp_dn'.
+ *
+ * \li Return the size of the compressed name or -1.
+ * \li 'length' is the size of the array pointed to by 'comp_dn'.
+ */
+int
+dn_comp(const char *src, u_char *dst, int dstsiz,
+	u_char **dnptrs, u_char **lastdnptr)
+{
+	return (ns_name_compress(src, dst, (size_t)dstsiz,
+				 (const u_char **)dnptrs,
+				 (const u_char **)lastdnptr));
+}
+
+
+/*%
+ * Skip over a compressed domain name. Return the size or -1.
+ */
+int
+dn_skipname(const u_char *ptr, const u_char *eom) {
+	const u_char *saveptr = ptr;
+
+	if (ns_name_skip(&ptr, eom) == -1)
+		return (-1);
+	return (ptr - saveptr);
+}
+
+/*%
+ * Verify that a domain name uses an acceptable character set.
+ *
+ * Note the conspicuous absence of ctype macros in these definitions.  On
+ * non-ASCII hosts, we can't depend on string literals or ctype macros to
+ * tell us anything about network-format data.  The rest of the BIND system
+ * is not careful about this, but for some reason, we're doing it right here.
+ */
+#define PERIOD 0x2e
+#define	hyphenchar(c) ((c) == 0x2d)
+#define bslashchar(c) ((c) == 0x5c)
+#ifdef	SUNW_HNOK_UNDERSCORE
+#define	underscorechar(c)	((c) == 0x5f)
+#endif	/* SUNW_HNOK_UNDERSCORE */
+#define periodchar(c) ((c) == PERIOD)
+#define asterchar(c) ((c) == 0x2a)
+#define alphachar(c) (((c) >= 0x41 && (c) <= 0x5a) \
+		   || ((c) >= 0x61 && (c) <= 0x7a))
+#define digitchar(c) ((c) >= 0x30 && (c) <= 0x39)
+
+#define borderchar(c) (alphachar(c) || digitchar(c))
+#ifdef	SUNW_HNOK_UNDERSCORE
+#define middlechar(c) (borderchar(c) || hyphenchar(c) || underscorechar(c))
+#else
+#define middlechar(c) (borderchar(c) || hyphenchar(c))
+#endif	/* SUNW_HNOK_UNDERSCORE */
+#define	domainchar(c) ((c) > 0x20 && (c) < 0x7f)
+
+int
+res_hnok(const char *dn) {
+	int pch = PERIOD, ch = *dn++;
+
+	while (ch != '\0') {
+		int nch = *dn++;
+
+		if (periodchar(ch)) {
+			(void)NULL;
+		} else if (periodchar(pch)) {
+			if (!borderchar(ch))
+				return (0);
+		} else if (periodchar(nch) || nch == '\0') {
+			if (!borderchar(ch))
+				return (0);
+		} else {
+			if (!middlechar(ch))
+				return (0);
+		}
+		pch = ch, ch = nch;
+	}
+	return (1);
+}
+
+/*%
+ * hostname-like (A, MX, WKS) owners can have "*" as their first label
+ * but must otherwise be as a host name.
+ */
+int
+res_ownok(const char *dn) {
+	if (asterchar(dn[0])) {
+		if (periodchar(dn[1]))
+			return (res_hnok(dn+2));
+		if (dn[1] == '\0')
+			return (1);
+	}
+	return (res_hnok(dn));
+}
+
+/*%
+ * SOA RNAMEs and RP RNAMEs can have any printable character in their first
+ * label, but the rest of the name has to look like a host name.
+ */
+int
+res_mailok(const char *dn) {
+	int ch, escaped = 0;
+
+	/* "." is a valid missing representation */
+	if (*dn == '\0')
+		return (1);
+
+	/* otherwise <label>.<hostname> */
+	while ((ch = *dn++) != '\0') {
+		if (!domainchar(ch))
+			return (0);
+		if (!escaped && periodchar(ch))
+			break;
+		if (escaped)
+			escaped = 0;
+		else if (bslashchar(ch))
+			escaped = 1;
+	}
+	if (periodchar(ch))
+		return (res_hnok(dn));
+	return (0);
+}
+
+/*%
+ * This function is quite liberal, since RFC1034's character sets are only
+ * recommendations.
+ */
+int
+res_dnok(const char *dn) {
+	int ch;
+
+	while ((ch = *dn++) != '\0')
+		if (!domainchar(ch))
+			return (0);
+	return (1);
+}
+
+#ifdef BIND_4_COMPAT
+/*%
+ * This module must export the following externally-visible symbols:
+ *	___putlong
+ *	___putshort
+ *	__getlong
+ *	__getshort
+ * Note that one _ comes from C and the others come from us.
+ */
+
+#ifdef SOLARIS2
+#ifdef  __putlong
+#undef  __putlong
+#endif
+#ifdef  __putshort
+#undef  __putshort
+#endif
+#pragma weak    putlong         =       __putlong
+#pragma weak    putshort        =       __putshort
+#endif /* SOLARIS2 */
+
+void __putlong(u_int32_t src, u_char *dst) { ns_put32(src, dst); }
+void __putshort(u_int16_t src, u_char *dst) { ns_put16(src, dst); }
+#ifndef __ultrix__
+u_int32_t _getlong(const u_char *src) { return (ns_get32(src)); }
+u_int16_t _getshort(const u_char *src) { return (ns_get16(src)); }
+#endif /*__ultrix__*/
+#endif /*BIND_4_COMPAT*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/res_data.c b/usr/src/lib/libresolv2_joy/common/resolv/res_data.c
new file mode 100644
index 0000000000..f1e0dd030b
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/res_data.c
@@ -0,0 +1,322 @@
+/*
+ * Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved.
+ */
+
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1995-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: res_data.c,v 1.7 2008/12/11 09:59:00 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <ctype.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <res_update.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "port_after.h"
+
+#ifndef	ORIGINAL_ISC_CODE
+#pragma weak	__fp_nquery	=	fp_nquery
+#pragma weak	__fp_query	=	fp_query
+#pragma weak	__p_query	=	p_query
+#pragma weak	__hostalias	=	hostalias
+#pragma weak	__res_randomid	=	res_randomid
+#endif
+
+const char *_res_opcodes[] = {
+	"QUERY",
+	"IQUERY",
+	"CQUERYM",
+	"CQUERYU",	/*%< experimental */
+	"NOTIFY",	/*%< experimental */
+	"UPDATE",
+	"6",
+	"7",
+	"8",
+	"9",
+	"10",
+	"11",
+	"12",
+	"13",
+	"ZONEINIT",
+	"ZONEREF",
+};
+
+#ifdef BIND_UPDATE
+const char *_res_sectioncodes[] = {
+	"ZONE",
+	"PREREQUISITES",
+	"UPDATE",
+	"ADDITIONAL",
+};
+#endif
+
+#undef _res
+#ifndef __BIND_NOSTATIC
+struct __res_state _res
+# if defined(__BIND_RES_TEXT)
+	= { RES_TIMEOUT, }	/*%< Motorola, et al. */
+# endif
+        ;
+
+#ifdef	ORIGINAL_ISC_CODE
+#if defined(DO_PTHREADS) || defined(__linux)
+#define _res (*__res_state())
+#endif
+#endif
+
+/* Proto. */
+
+int  res_ourserver_p(const res_state, const struct sockaddr_in *);
+
+int
+res_init(void) {
+	extern int __res_vinit(res_state, int);
+
+	/*
+	 * These three fields used to be statically initialized.  This made
+	 * it hard to use this code in a shared library.  It is necessary,
+	 * now that we're doing dynamic initialization here, that we preserve
+	 * the old semantics: if an application modifies one of these three
+	 * fields of _res before res_init() is called, res_init() will not
+	 * alter them.  Of course, if an application is setting them to
+	 * _zero_ before calling res_init(), hoping to override what used
+	 * to be the static default, we can't detect it and unexpected results
+	 * will follow.  Zero for any of these fields would make no sense,
+	 * so one can safely assume that the applications were already getting
+	 * unexpected results.
+	 *
+	 * _res.options is tricky since some apps were known to diddle the bits
+	 * before res_init() was first called. We can't replicate that semantic
+	 * with dynamic initialization (they may have turned bits off that are
+	 * set in RES_DEFAULT).  Our solution is to declare such applications
+	 * "broken".  They could fool us by setting RES_INIT but none do (yet).
+	 */
+	if (!_res.retrans)
+		_res.retrans = RES_TIMEOUT;
+	if (!_res.retry)
+		_res.retry = 4;
+	if (!(_res.options & RES_INIT))
+		_res.options = RES_DEFAULT;
+
+	/*
+	 * This one used to initialize implicitly to zero, so unless the app
+	 * has set it to something in particular, we can randomize it now.
+	 */
+	if (!_res.id)
+		_res.id = res_nrandomid(&_res);
+
+	return (__res_vinit(&_res, 1));
+}
+
+void
+p_query(const u_char *msg) {
+	fp_query(msg, stdout);
+}
+
+void
+fp_query(const u_char *msg, FILE *file) {
+	fp_nquery(msg, PACKETSZ, file);
+}
+
+void
+fp_nquery(const u_char *msg, int len, FILE *file) {
+	if ((_res.options & RES_INIT) == 0U && res_init() == -1)
+		return;
+
+	res_pquery(&_res, msg, len, file);
+}
+
+int
+res_mkquery(int op,			/*!< opcode of query  */
+	    const char *dname,		/*!< domain name  */
+	    int class, int type,	/*!< class and type of query  */
+	    const u_char *data,		/*!< resource record data  */
+	    int datalen,		/*!< length of data  */
+	    const u_char *newrr_in,	/*!< new rr for modify or append  */
+	    u_char *buf,		/*!< buffer to put query  */
+	    int buflen)			/*!< size of buffer  */
+{
+	if ((_res.options & RES_INIT) == 0U && res_init() == -1) {
+		RES_SET_H_ERRNO(&_res, NETDB_INTERNAL);
+		return (-1);
+	}
+	return (res_nmkquery(&_res, op, dname, class, type,
+			     data, datalen,
+			     newrr_in, buf, buflen));
+}
+
+int
+res_mkupdate(ns_updrec *rrecp_in, u_char *buf, int buflen) {
+	if ((_res.options & RES_INIT) == 0U && res_init() == -1) {
+		RES_SET_H_ERRNO(&_res, NETDB_INTERNAL);
+		return (-1);
+	}
+
+	return (res_nmkupdate(&_res, rrecp_in, buf, buflen));
+}
+
+int
+res_query(const char *name,	/*!< domain name  */
+	  int class, int type,	/*!< class and type of query  */
+	  u_char *answer,	/*!< buffer to put answer  */
+	  int anslen)		/*!< size of answer buffer  */
+{
+	if ((_res.options & RES_INIT) == 0U && res_init() == -1) {
+		RES_SET_H_ERRNO(&_res, NETDB_INTERNAL);
+		return (-1);
+	}
+	return (res_nquery(&_res, name, class, type, answer, anslen));
+}
+
+void
+res_send_setqhook(res_send_qhook hook) {
+	_res.qhook = hook;
+}
+
+void
+res_send_setrhook(res_send_rhook hook) {
+	_res.rhook = hook;
+}
+
+int
+res_isourserver(const struct sockaddr_in *inp) {
+	return (res_ourserver_p(&_res, inp));
+}
+
+int
+res_send(const u_char *buf, int buflen, u_char *ans, int anssiz) {
+	if ((_res.options & RES_INIT) == 0U && res_init() == -1) {
+		/* errno should have been set by res_init() in this case. */
+		return (-1);
+	}
+
+	return (res_nsend(&_res, buf, buflen, ans, anssiz));
+}
+
+int
+res_sendsigned(const u_char *buf, int buflen, ns_tsig_key *key,
+	       u_char *ans, int anssiz)
+{
+	if ((_res.options & RES_INIT) == 0U && res_init() == -1) {
+		/* errno should have been set by res_init() in this case. */
+		return (-1);
+	}
+
+	return (res_nsendsigned(&_res, buf, buflen, key, ans, anssiz));
+}
+
+void
+res_close(void) {
+	res_nclose(&_res);
+}
+
+int
+res_update(ns_updrec *rrecp_in) {
+	if ((_res.options & RES_INIT) == 0U && res_init() == -1) {
+		RES_SET_H_ERRNO(&_res, NETDB_INTERNAL);
+		return (-1);
+	}
+
+	return (res_nupdate(&_res, rrecp_in, NULL));
+}
+
+int
+res_search(const char *name,	/*!< domain name  */
+	   int class, int type,	/*!< class and type of query  */
+	   u_char *answer,	/*!< buffer to put answer  */
+	   int anslen)		/*!< size of answer  */
+{
+	if ((_res.options & RES_INIT) == 0U && res_init() == -1) {
+		RES_SET_H_ERRNO(&_res, NETDB_INTERNAL);
+		return (-1);
+	}
+
+	return (res_nsearch(&_res, name, class, type, answer, anslen));
+}
+
+int
+res_querydomain(const char *name,
+		const char *domain,
+		int class, int type,	/*!< class and type of query  */
+		u_char *answer,		/*!< buffer to put answer  */
+		int anslen)		/*!< size of answer  */
+{
+	if ((_res.options & RES_INIT) == 0U && res_init() == -1) {
+		RES_SET_H_ERRNO(&_res, NETDB_INTERNAL);
+		return (-1);
+	}
+
+	return (res_nquerydomain(&_res, name, domain,
+				 class, type,
+				 answer, anslen));
+}
+
+u_int
+res_randomid(void) {
+	if ((_res.options & RES_INIT) == 0U && res_init() == -1) {
+		RES_SET_H_ERRNO(&_res, NETDB_INTERNAL);
+		return (-1);
+	}
+
+	return (res_nrandomid(&_res));
+}
+
+const char *
+hostalias(const char *name) {
+	static char abuf[MAXDNAME];
+
+	return (res_hostalias(&_res, name, abuf, sizeof abuf));
+}
+
+#ifdef ultrix
+int
+local_hostname_length(const char *hostname) {
+	int len_host, len_domain;
+
+	if (!*_res.defdname)
+		res_init();
+	len_host = strlen(hostname);
+	len_domain = strlen(_res.defdname);
+	if (len_host > len_domain &&
+	    !strcasecmp(hostname + len_host - len_domain, _res.defdname) &&
+	    hostname[len_host - len_domain - 1] == '.')
+		return (len_host - len_domain - 1);
+	return (0);
+}
+#endif /*ultrix*/
+
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/res_debug.c b/usr/src/lib/libresolv2_joy/common/resolv/res_debug.c
new file mode 100644
index 0000000000..e11fb29612
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/res_debug.c
@@ -0,0 +1,1252 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+/*
+ * Portions Copyright (C) 2004, 2005, 2008, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 1996-2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Copyright (c) 1985
+ *    The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+/*
+ * Portions Copyright (c) 1995 by International Business Machines, Inc.
+ *
+ * International Business Machines, Inc. (hereinafter called IBM) grants
+ * permission under its copyrights to use, copy, modify, and distribute this
+ * Software with or without fee, provided that the above copyright notice and
+ * all paragraphs of this notice appear in all copies, and that the name of IBM
+ * not be used in connection with the marketing of any product incorporating
+ * the Software or modifications thereof, without specific, written prior
+ * permission.
+ *
+ * To the extent it has a right to do so, IBM grants an immunity from suit
+ * under its patents, if any, for the use, sale or manufacture of products to
+ * the extent that such products are used for performing Domain Name System
+ * dynamic updates in TCP/IP networks by means of the Software.  No immunity is
+ * granted for any product per se or for any other function of any product.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE.  IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
+ * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
+ * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)res_debug.c	8.1 (Berkeley) 6/4/93";
+static const char rcsid[] = "$Id: res_debug.c,v 1.19 2009/02/26 11:20:20 tbox Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <math.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <resolv_mt.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include "port_after.h"
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) sprintf x
+#endif
+
+extern const char *_res_opcodes[];
+extern const char *_res_sectioncodes[];
+
+#ifndef	ORIGINAL_ISC_CODE
+#pragma weak	__dn_count_labels	=	dn_count_labels
+#pragma weak	__fp_resstat		=	fp_resstat
+#pragma weak	__loc_aton		=	loc_aton
+#pragma weak	__loc_ntoa		=	loc_ntoa
+#pragma weak	__p_cdname		=	p_cdname
+#pragma weak	__p_class		=	p_class
+#pragma weak	__p_section		=	p_section
+#pragma weak	__p_time		=	p_time
+#pragma weak	__p_type		=	p_type
+#pragma weak	__sym_ntop		=	sym_ntop
+#pragma weak	__sym_ntos		=	sym_ntos
+#pragma weak	__sym_ston		=	sym_ston
+#endif	/* ORIGINAL_ISC_CODE */
+
+/*%
+ * Print the current options.
+ */
+void
+fp_resstat(const res_state statp, FILE *file) {
+	u_long mask;
+
+	fprintf(file, ";; res options:");
+	for (mask = 1;  mask != 0U;  mask <<= 1)
+		if (statp->options & mask)
+			fprintf(file, " %s", p_option(mask));
+	putc('\n', file);
+}
+
+static void
+do_section(const res_state statp,
+	   ns_msg *handle, ns_sect section,
+	   int pflag, FILE *file)
+{
+	int n, sflag, rrnum;
+	static int buflen = 2048;
+	char *buf;
+	ns_opcode opcode;
+	ns_rr rr;
+
+	/*
+	 * Print answer records.
+	 */
+	sflag = (statp->pfcode & pflag);
+	if (statp->pfcode && !sflag)
+		return;
+
+	buf = malloc(buflen);
+	if (buf == NULL) {
+		fprintf(file, ";; memory allocation failure\n");
+		return;
+	}
+
+	opcode = (ns_opcode) ns_msg_getflag(*handle, ns_f_opcode);
+	rrnum = 0;
+	for (;;) {
+		if (ns_parserr(handle, section, rrnum, &rr)) {
+			if (errno != ENODEV)
+				fprintf(file, ";; ns_parserr: %s\n",
+					strerror(errno));
+			else if (rrnum > 0 && sflag != 0 &&
+				 (statp->pfcode & RES_PRF_HEAD1))
+				putc('\n', file);
+			goto cleanup;
+		}
+		if (rrnum == 0 && sflag != 0 && (statp->pfcode & RES_PRF_HEAD1))
+			fprintf(file, ";; %s SECTION:\n",
+				p_section(section, opcode));
+		if (section == ns_s_qd)
+			fprintf(file, ";;\t%s, type = %s, class = %s\n",
+				ns_rr_name(rr),
+				p_type(ns_rr_type(rr)),
+				p_class(ns_rr_class(rr)));
+		else if (section == ns_s_ar && ns_rr_type(rr) == ns_t_opt) {
+			u_int16_t optcode, optlen, rdatalen = ns_rr_rdlen(rr);
+			u_int32_t ttl = ns_rr_ttl(rr);
+
+			fprintf(file,
+				"; EDNS: version: %u, udp=%u, flags=%04x\n",
+				(ttl>>16)&0xff, ns_rr_class(rr), ttl&0xffff);
+
+			while (rdatalen >= 4) {
+				const u_char *cp = ns_rr_rdata(rr);
+				int i;
+
+				GETSHORT(optcode, cp);
+				GETSHORT(optlen, cp);
+
+				if (optcode == NS_OPT_NSID) {
+					fputs("; NSID: ", file);
+					if (optlen == 0) {
+						fputs("; NSID\n", file);
+					} else {
+						fputs("; NSID: ", file);
+						for (i = 0; i < optlen; i++)
+							fprintf(file, "%02x ",
+								cp[i]);
+						fputs(" (",file);
+						for (i = 0; i < optlen; i++)
+							fprintf(file, "%c",
+								isprint(cp[i])?
+								cp[i] : '.');
+						fputs(")\n", file);
+					}
+				} else {
+					if (optlen == 0) {
+						fprintf(file, "; OPT=%u\n",
+							optcode);
+					} else {
+						fprintf(file, "; OPT=%u: ",
+							optcode);
+						for (i = 0; i < optlen; i++)
+							fprintf(file, "%02x ",
+								cp[i]);
+						fputs(" (",file);
+						for (i = 0; i < optlen; i++)
+							fprintf(file, "%c",
+								isprint(cp[i]) ?
+									cp[i] : '.');
+						fputs(")\n", file);
+					}
+				}
+				rdatalen -= 4 + optlen;
+			}
+		} else {
+			n = ns_sprintrr(handle, &rr, NULL, NULL,
+					buf, buflen);
+			if (n < 0) {
+				if (errno == ENOSPC) {
+					free(buf);
+					buf = NULL;
+					if (buflen < 131072)
+						buf = malloc(buflen += 1024);
+					if (buf == NULL) {
+						fprintf(file,
+					      ";; memory allocation failure\n");
+					      return;
+					}
+					continue;
+				}
+				fprintf(file, ";; ns_sprintrr: %s\n",
+					strerror(errno));
+				goto cleanup;
+			}
+			fputs(buf, file);
+			fputc('\n', file);
+		}
+		rrnum++;
+	}
+ cleanup:
+	if (buf != NULL)
+		free(buf);
+}
+
+/*%
+ * Print the contents of a query.
+ * This is intended to be primarily a debugging routine.
+ */
+void
+res_pquery(const res_state statp, const u_char *msg, int len, FILE *file) {
+	ns_msg handle;
+	int qdcount, ancount, nscount, arcount;
+	u_int opcode, rcode, id;
+
+	if (ns_initparse(msg, len, &handle) < 0) {
+		fprintf(file, ";; ns_initparse: %s\n", strerror(errno));
+		return;
+	}
+	opcode = ns_msg_getflag(handle, ns_f_opcode);
+	rcode = ns_msg_getflag(handle, ns_f_rcode);
+	id = ns_msg_id(handle);
+	qdcount = ns_msg_count(handle, ns_s_qd);
+	ancount = ns_msg_count(handle, ns_s_an);
+	nscount = ns_msg_count(handle, ns_s_ns);
+	arcount = ns_msg_count(handle, ns_s_ar);
+
+	/*
+	 * Print header fields.
+	 */
+	if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEADX) || rcode)
+		fprintf(file,
+			";; ->>HEADER<<- opcode: %s, status: %s, id: %d\n",
+			_res_opcodes[opcode], p_rcode(rcode), id);
+	if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEADX))
+		putc(';', file);
+	if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEAD2)) {
+		fprintf(file, "; flags:");
+		if (ns_msg_getflag(handle, ns_f_qr))
+			fprintf(file, " qr");
+		if (ns_msg_getflag(handle, ns_f_aa))
+			fprintf(file, " aa");
+		if (ns_msg_getflag(handle, ns_f_tc))
+			fprintf(file, " tc");
+		if (ns_msg_getflag(handle, ns_f_rd))
+			fprintf(file, " rd");
+		if (ns_msg_getflag(handle, ns_f_ra))
+			fprintf(file, " ra");
+		if (ns_msg_getflag(handle, ns_f_z))
+			fprintf(file, " ??");
+		if (ns_msg_getflag(handle, ns_f_ad))
+			fprintf(file, " ad");
+		if (ns_msg_getflag(handle, ns_f_cd))
+			fprintf(file, " cd");
+	}
+	if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEAD1)) {
+		fprintf(file, "; %s: %d",
+			p_section(ns_s_qd, opcode), qdcount);
+		fprintf(file, ", %s: %d",
+			p_section(ns_s_an, opcode), ancount);
+		fprintf(file, ", %s: %d",
+			p_section(ns_s_ns, opcode), nscount);
+		fprintf(file, ", %s: %d",
+			p_section(ns_s_ar, opcode), arcount);
+	}
+	if ((!statp->pfcode) || (statp->pfcode &
+		(RES_PRF_HEADX | RES_PRF_HEAD2 | RES_PRF_HEAD1))) {
+		putc('\n',file);
+	}
+	/*
+	 * Print the various sections.
+	 */
+	do_section(statp, &handle, ns_s_qd, RES_PRF_QUES, file);
+	do_section(statp, &handle, ns_s_an, RES_PRF_ANS, file);
+	do_section(statp, &handle, ns_s_ns, RES_PRF_AUTH, file);
+	do_section(statp, &handle, ns_s_ar, RES_PRF_ADD, file);
+	if (qdcount == 0 && ancount == 0 &&
+	    nscount == 0 && arcount == 0)
+		putc('\n', file);
+}
+
+const u_char *
+p_cdnname(const u_char *cp, const u_char *msg, int len, FILE *file) {
+	char name[MAXDNAME];
+	int n;
+
+	if ((n = dn_expand(msg, msg + len, cp, name, sizeof name)) < 0)
+		return (NULL);
+	if (name[0] == '\0')
+		putc('.', file);
+	else
+		fputs(name, file);
+	return (cp + n);
+}
+
+const u_char *
+p_cdname(const u_char *cp, const u_char *msg, FILE *file) {
+	return (p_cdnname(cp, msg, PACKETSZ, file));
+}
+
+/*%
+ * Return a fully-qualified domain name from a compressed name (with
+   length supplied).  */
+
+const u_char *
+p_fqnname(cp, msg, msglen, name, namelen)
+	const u_char *cp, *msg;
+	int msglen;
+	char *name;
+	int namelen;
+{
+	int n, newlen;
+
+	if ((n = dn_expand(msg, cp + msglen, cp, name, namelen)) < 0)
+		return (NULL);
+	newlen = strlen(name);
+	if (newlen == 0 || name[newlen - 1] != '.') {
+		if (newlen + 1 >= namelen)	/*%< Lack space for final dot */
+			return (NULL);
+		else
+			strcpy(name + newlen, ".");
+	}
+	return (cp + n);
+}
+
+/* XXX:	the rest of these functions need to become length-limited, too. */
+
+const u_char *
+p_fqname(const u_char *cp, const u_char *msg, FILE *file) {
+	char name[MAXDNAME];
+	const u_char *n;
+
+	n = p_fqnname(cp, msg, MAXCDNAME, name, sizeof name);
+	if (n == NULL)
+		return (NULL);
+	fputs(name, file);
+	return (n);
+}
+
+/*%
+ * Names of RR classes and qclasses.  Classes and qclasses are the same, except
+ * that C_ANY is a qclass but not a class.  (You can ask for records of class
+ * C_ANY, but you can't have any records of that class in the database.)
+ */
+const struct res_sym __p_class_syms[] = {
+	{C_IN,		"IN",		(char *)0},
+	{C_CHAOS,	"CH",		(char *)0},
+	{C_CHAOS,	"CHAOS",	(char *)0},
+	{C_HS,		"HS",		(char *)0},
+	{C_HS,		"HESIOD",	(char *)0},
+	{C_ANY,		"ANY",		(char *)0},
+	{C_NONE,	"NONE",		(char *)0},
+	{C_IN, 		(char *)0,	(char *)0}
+};
+
+/*%
+ * Names of message sections.
+ */
+const struct res_sym __p_default_section_syms[] = {
+	{ns_s_qd,	"QUERY",	(char *)0},
+	{ns_s_an,	"ANSWER",	(char *)0},
+	{ns_s_ns,	"AUTHORITY",	(char *)0},
+	{ns_s_ar,	"ADDITIONAL",	(char *)0},
+	{0,		(char *)0,	(char *)0}
+};
+
+const struct res_sym __p_update_section_syms[] = {
+	{S_ZONE,	"ZONE",		(char *)0},
+	{S_PREREQ,	"PREREQUISITE",	(char *)0},
+	{S_UPDATE,	"UPDATE",	(char *)0},
+	{S_ADDT,	"ADDITIONAL",	(char *)0},
+	{0,		(char *)0,	(char *)0}
+};
+
+const struct res_sym __p_key_syms[] = {
+	{NS_ALG_MD5RSA,		"RSA",		"RSA KEY with MD5 hash"},
+	{NS_ALG_DH,		"DH",		"Diffie Hellman"},
+	{NS_ALG_DSA,		"DSA",		"Digital Signature Algorithm"},
+	{NS_ALG_EXPIRE_ONLY,	"EXPIREONLY",	"No algorithm"},
+	{NS_ALG_PRIVATE_OID,	"PRIVATE",	"Algorithm obtained from OID"},
+	{0,			NULL,		NULL}
+};
+
+const struct res_sym __p_cert_syms[] = {
+	{cert_t_pkix,	"PKIX",		"PKIX (X.509v3) Certificate"},
+	{cert_t_spki,	"SPKI",		"SPKI certificate"},
+	{cert_t_pgp,	"PGP",		"PGP certificate"},
+	{cert_t_url,	"URL",		"URL Private"},
+	{cert_t_oid,	"OID",		"OID Private"},
+	{0,		NULL,		NULL}
+};
+
+/*%
+ * Names of RR types and qtypes.  Types and qtypes are the same, except
+ * that T_ANY is a qtype but not a type.  (You can ask for records of type
+ * T_ANY, but you can't have any records of that type in the database.)
+ */
+const struct res_sym __p_type_syms[] = {
+	{ns_t_a,	"A",		"address"},
+	{ns_t_ns,	"NS",		"name server"},
+	{ns_t_md,	"MD",		"mail destination (deprecated)"},
+	{ns_t_mf,	"MF",		"mail forwarder (deprecated)"},
+	{ns_t_cname,	"CNAME",	"canonical name"},
+	{ns_t_soa,	"SOA",		"start of authority"},
+	{ns_t_mb,	"MB",		"mailbox"},
+	{ns_t_mg,	"MG",		"mail group member"},
+	{ns_t_mr,	"MR",		"mail rename"},
+	{ns_t_null,	"NULL",		"null"},
+	{ns_t_wks,	"WKS",		"well-known service (deprecated)"},
+	{ns_t_ptr,	"PTR",		"domain name pointer"},
+	{ns_t_hinfo,	"HINFO",	"host information"},
+	{ns_t_minfo,	"MINFO",	"mailbox information"},
+	{ns_t_mx,	"MX",		"mail exchanger"},
+	{ns_t_txt,	"TXT",		"text"},
+	{ns_t_rp,	"RP",		"responsible person"},
+	{ns_t_afsdb,	"AFSDB",	"DCE or AFS server"},
+	{ns_t_x25,	"X25",		"X25 address"},
+	{ns_t_isdn,	"ISDN",		"ISDN address"},
+	{ns_t_rt,	"RT",		"router"},
+	{ns_t_nsap,	"NSAP",		"nsap address"},
+	{ns_t_nsap_ptr,	"NSAP_PTR",	"domain name pointer"},
+	{ns_t_sig,	"SIG",		"signature"},
+	{ns_t_key,	"KEY",		"key"},
+	{ns_t_px,	"PX",		"mapping information"},
+	{ns_t_gpos,	"GPOS",		"geographical position (withdrawn)"},
+	{ns_t_aaaa,	"AAAA",		"IPv6 address"},
+	{ns_t_loc,	"LOC",		"location"},
+	{ns_t_nxt,	"NXT",		"next valid name (unimplemented)"},
+	{ns_t_eid,	"EID",		"endpoint identifier (unimplemented)"},
+	{ns_t_nimloc,	"NIMLOC",	"NIMROD locator (unimplemented)"},
+	{ns_t_srv,	"SRV",		"server selection"},
+	{ns_t_atma,	"ATMA",		"ATM address (unimplemented)"},
+	{ns_t_naptr,	"NAPTR",	"naptr"},
+	{ns_t_kx,	"KX",		"key exchange"},
+	{ns_t_cert,	"CERT",		"certificate"},
+	{ns_t_a6,	"A",		"IPv6 address (experminental)"},
+	{ns_t_dname,	"DNAME",	"non-terminal redirection"},
+	{ns_t_opt,	"OPT",		"opt"},
+	{ns_t_apl,	"apl",		"apl"},
+	{ns_t_ds,	"DS",		"delegation signer"},
+	{ns_t_sshfp,	"SSFP",		"SSH fingerprint"},
+	{ns_t_ipseckey,	"IPSECKEY",	"IPSEC key"},
+	{ns_t_rrsig,	"RRSIG",	"rrsig"},
+	{ns_t_nsec,	"NSEC",		"nsec"},
+	{ns_t_dnskey,	"DNSKEY",	"DNS key"},
+	{ns_t_dhcid,	"DHCID",       "dynamic host configuration identifier"},
+	{ns_t_nsec3,	"NSEC3",	"nsec3"},
+	{ns_t_nsec3param, "NSEC3PARAM", "NSEC3 parameters"},
+	{ns_t_hip,	"HIP",		"host identity protocol"},
+	{ns_t_spf,	"SPF",		"sender policy framework"},
+	{ns_t_tkey,	"TKEY",		"tkey"},
+	{ns_t_tsig,	"TSIG",		"transaction signature"},
+	{ns_t_ixfr,	"IXFR",		"incremental zone transfer"},
+	{ns_t_axfr,	"AXFR",		"zone transfer"},
+	{ns_t_zxfr,	"ZXFR",		"compressed zone transfer"},
+	{ns_t_mailb,	"MAILB",	"mailbox-related data (deprecated)"},
+	{ns_t_maila,	"MAILA",	"mail agent (deprecated)"},
+	{ns_t_naptr,	"NAPTR",	"URN Naming Authority"},
+	{ns_t_kx,	"KX",		"Key Exchange"},
+	{ns_t_cert,	"CERT",		"Certificate"},
+	{ns_t_a6,	"A6",		"IPv6 Address"},
+	{ns_t_dname,	"DNAME",	"dname"},
+	{ns_t_sink,	"SINK",		"Kitchen Sink (experimental)"},
+	{ns_t_opt,	"OPT",		"EDNS Options"},
+	{ns_t_any,	"ANY",		"\"any\""},
+	{ns_t_dlv,	"DLV",		"DNSSEC look-aside validation"},
+	{0, 		NULL,		NULL}
+};
+
+/*%
+ * Names of DNS rcodes.
+ */
+const struct res_sym __p_rcode_syms[] = {
+	{ns_r_noerror,	"NOERROR",		"no error"},
+	{ns_r_formerr,	"FORMERR",		"format error"},
+	{ns_r_servfail,	"SERVFAIL",		"server failed"},
+	{ns_r_nxdomain,	"NXDOMAIN",		"no such domain name"},
+	{ns_r_notimpl,	"NOTIMP",		"not implemented"},
+	{ns_r_refused,	"REFUSED",		"refused"},
+	{ns_r_yxdomain,	"YXDOMAIN",		"domain name exists"},
+	{ns_r_yxrrset,	"YXRRSET",		"rrset exists"},
+	{ns_r_nxrrset,	"NXRRSET",		"rrset doesn't exist"},
+	{ns_r_notauth,	"NOTAUTH",		"not authoritative"},
+	{ns_r_notzone,	"NOTZONE",		"Not in zone"},
+	{ns_r_max,	"",			""},
+	{ns_r_badsig,	"BADSIG",		"bad signature"},
+	{ns_r_badkey,	"BADKEY",		"bad key"},
+	{ns_r_badtime,	"BADTIME",		"bad time"},
+	{0, 		NULL,			NULL}
+};
+
+int
+sym_ston(const struct res_sym *syms, const char *name, int *success) {
+	for ((void)NULL; syms->name != 0; syms++) {
+		if (strcasecmp (name, syms->name) == 0) {
+			if (success)
+				*success = 1;
+			return (syms->number);
+		}
+	}
+	if (success)
+		*success = 0;
+	return (syms->number);		/*%< The default value. */
+}
+
+const char *
+sym_ntos(const struct res_sym *syms, int number, int *success) {
+	char *unname = sym_ntos_unname;
+
+	for ((void)NULL; syms->name != 0; syms++) {
+		if (number == syms->number) {
+			if (success)
+				*success = 1;
+			return (syms->name);
+		}
+	}
+
+	sprintf(unname, "%d", number);		/*%< XXX nonreentrant */
+	if (success)
+		*success = 0;
+	return (unname);
+}
+
+const char *
+sym_ntop(const struct res_sym *syms, int number, int *success) {
+	char *unname = sym_ntop_unname;
+
+	for ((void)NULL; syms->name != 0; syms++) {
+		if (number == syms->number) {
+			if (success)
+				*success = 1;
+			return (syms->humanname);
+		}
+	}
+	sprintf(unname, "%d", number);		/*%< XXX nonreentrant */
+	if (success)
+		*success = 0;
+	return (unname);
+}
+
+/*%
+ * Return a string for the type.
+ */
+const char *
+p_type(int type) {
+	int success;
+	const char *result;
+	static char typebuf[20];
+
+	result = sym_ntos(__p_type_syms, type, &success);
+	if (success)
+		return (result);
+	if (type < 0 || type > 0xffff)
+		return ("BADTYPE");
+	sprintf(typebuf, "TYPE%d", type);
+	return (typebuf);
+}
+
+/*%
+ * Return a string for the type.
+ */
+const char *
+p_section(int section, int opcode) {
+	const struct res_sym *symbols;
+
+	switch (opcode) {
+	case ns_o_update:
+		symbols = __p_update_section_syms;
+		break;
+	default:
+		symbols = __p_default_section_syms;
+		break;
+	}
+	return (sym_ntos(symbols, section, (int *)0));
+}
+
+/*%
+ * Return a mnemonic for class.
+ */
+const char *
+p_class(int class) {
+	int success;
+	const char *result;
+	static char classbuf[20];
+
+	result = sym_ntos(__p_class_syms, class, &success);
+	if (success)
+		return (result);
+	if (class < 0 || class > 0xffff)
+		return ("BADCLASS");
+	sprintf(classbuf, "CLASS%d", class);
+	return (classbuf);
+}
+
+/*%
+ * Return a mnemonic for an option
+ */
+const char *
+p_option(u_long option) {
+	char *nbuf = p_option_nbuf;
+
+	switch (option) {
+	case RES_INIT:		return "init";
+	case RES_DEBUG:		return "debug";
+	case RES_AAONLY:	return "aaonly(unimpl)";
+	case RES_USEVC:		return "usevc";
+	case RES_PRIMARY:	return "primry(unimpl)";
+	case RES_IGNTC:		return "igntc";
+	case RES_RECURSE:	return "recurs";
+	case RES_DEFNAMES:	return "defnam";
+	case RES_STAYOPEN:	return "styopn";
+	case RES_DNSRCH:	return "dnsrch";
+	case RES_INSECURE1:	return "insecure1";
+	case RES_INSECURE2:	return "insecure2";
+	case RES_NOALIASES:	return "noaliases";
+	case RES_USE_INET6:	return "inet6";
+#ifdef RES_USE_EDNS0	/*%< KAME extension */
+	case RES_USE_EDNS0:	return "edns0";
+	case RES_NSID:		return "nsid";
+#endif
+#ifdef RES_USE_DNAME
+	case RES_USE_DNAME:	return "dname";
+#endif
+#ifdef RES_USE_DNSSEC
+	case RES_USE_DNSSEC:	return "dnssec";
+#endif
+#ifdef RES_NOTLDQUERY
+	case RES_NOTLDQUERY:	return "no-tld-query";
+#endif
+#ifdef RES_NO_NIBBLE2
+	case RES_NO_NIBBLE2:	return "no-nibble2";
+#endif
+				/* XXX nonreentrant */
+	default:		sprintf(nbuf, "?0x%lx?", (u_long)option);
+				return (nbuf);
+	}
+}
+
+/*%
+ * Return a mnemonic for a time to live.
+ */
+const char *
+p_time(u_int32_t value) {
+	char *nbuf = p_time_nbuf;
+
+	if (ns_format_ttl(value, nbuf, sizeof nbuf) < 0)
+		sprintf(nbuf, "%u", value);
+	return (nbuf);
+}
+
+/*%
+ * Return a string for the rcode.
+ */
+const char *
+p_rcode(int rcode) {
+	return (sym_ntos(__p_rcode_syms, rcode, (int *)0));
+}
+
+/*%
+ * Return a string for a res_sockaddr_union.
+ */
+const char *
+p_sockun(union res_sockaddr_union u, char *buf, size_t size) {
+	char ret[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:123.123.123.123"];
+
+	switch (u.sin.sin_family) {
+	case AF_INET:
+		inet_ntop(AF_INET, &u.sin.sin_addr, ret, sizeof ret);
+		break;
+#ifdef HAS_INET6_STRUCTS
+	case AF_INET6:
+		inet_ntop(AF_INET6, &u.sin6.sin6_addr, ret, sizeof ret);
+		break;
+#endif
+	default:
+		sprintf(ret, "[af%d]", u.sin.sin_family);
+		break;
+	}
+	if (size > 0U) {
+		strncpy(buf, ret, size - 1);
+		buf[size - 1] = '0';
+	}
+	return (buf);
+}
+
+/*%
+ * routines to convert between on-the-wire RR format and zone file format.
+ * Does not contain conversion to/from decimal degrees; divide or multiply
+ * by 60*60*1000 for that.
+ */
+
+static unsigned int poweroften[10] = {1, 10, 100, 1000, 10000, 100000,
+				      1000000,10000000,100000000,1000000000};
+
+/*% takes an XeY precision/size value, returns a string representation. */
+static const char *
+precsize_ntoa(prec)
+	u_int8_t prec;
+{
+	char *retbuf = precsize_ntoa_retbuf;
+	unsigned long val;
+	int mantissa, exponent;
+
+	mantissa = (int)((prec >> 4) & 0x0f) % 10;
+	exponent = (int)((prec >> 0) & 0x0f) % 10;
+
+	val = mantissa * poweroften[exponent];
+
+	(void) sprintf(retbuf, "%lu.%.2lu", val/100, val%100);
+	return (retbuf);
+}
+
+/*% converts ascii size/precision X * 10**Y(cm) to 0xXY.  moves pointer.  */
+static u_int8_t
+precsize_aton(const char **strptr) {
+	unsigned int mval = 0, cmval = 0;
+	u_int8_t retval = 0;
+	const char *cp;
+	int exponent;
+	int mantissa;
+
+	cp = *strptr;
+
+	while (isdigit((unsigned char)*cp))
+		mval = mval * 10 + (*cp++ - '0');
+
+	if (*cp == '.') {		/*%< centimeters */
+		cp++;
+		if (isdigit((unsigned char)*cp)) {
+			cmval = (*cp++ - '0') * 10;
+			if (isdigit((unsigned char)*cp)) {
+				cmval += (*cp++ - '0');
+			}
+		}
+	}
+	cmval = (mval * 100) + cmval;
+
+	for (exponent = 0; exponent < 9; exponent++)
+		if (cmval < poweroften[exponent+1])
+			break;
+
+	mantissa = cmval / poweroften[exponent];
+	if (mantissa > 9)
+		mantissa = 9;
+
+	retval = (mantissa << 4) | exponent;
+
+	*strptr = cp;
+
+	return (retval);
+}
+
+/*% converts ascii lat/lon to unsigned encoded 32-bit number.  moves pointer. */
+static u_int32_t
+latlon2ul(const char **latlonstrptr, int *which) {
+	const char *cp;
+	u_int32_t retval;
+	int deg = 0, min = 0, secs = 0, secsfrac = 0;
+
+	cp = *latlonstrptr;
+
+	while (isdigit((unsigned char)*cp))
+		deg = deg * 10 + (*cp++ - '0');
+
+	while (isspace((unsigned char)*cp))
+		cp++;
+
+	if (!(isdigit((unsigned char)*cp)))
+		goto fndhemi;
+
+	while (isdigit((unsigned char)*cp))
+		min = min * 10 + (*cp++ - '0');
+
+	while (isspace((unsigned char)*cp))
+		cp++;
+
+	if (!(isdigit((unsigned char)*cp)))
+		goto fndhemi;
+
+	while (isdigit((unsigned char)*cp))
+		secs = secs * 10 + (*cp++ - '0');
+
+	if (*cp == '.') {		/*%< decimal seconds */
+		cp++;
+		if (isdigit((unsigned char)*cp)) {
+			secsfrac = (*cp++ - '0') * 100;
+			if (isdigit((unsigned char)*cp)) {
+				secsfrac += (*cp++ - '0') * 10;
+				if (isdigit((unsigned char)*cp)) {
+					secsfrac += (*cp++ - '0');
+				}
+			}
+		}
+	}
+
+	while (!isspace((unsigned char)*cp))	/*%< if any trailing garbage */
+		cp++;
+
+	while (isspace((unsigned char)*cp))
+		cp++;
+
+ fndhemi:
+	switch (*cp) {
+	case 'N': case 'n':
+	case 'E': case 'e':
+		retval = ((unsigned)1<<31)
+			+ (((((deg * 60) + min) * 60) + secs) * 1000)
+			+ secsfrac;
+		break;
+	case 'S': case 's':
+	case 'W': case 'w':
+		retval = ((unsigned)1<<31)
+			- (((((deg * 60) + min) * 60) + secs) * 1000)
+			- secsfrac;
+		break;
+	default:
+		retval = 0;	/*%< invalid value -- indicates error */
+		break;
+	}
+
+	switch (*cp) {
+	case 'N': case 'n':
+	case 'S': case 's':
+		*which = 1;	/*%< latitude */
+		break;
+	case 'E': case 'e':
+	case 'W': case 'w':
+		*which = 2;	/*%< longitude */
+		break;
+	default:
+		*which = 0;	/*%< error */
+		break;
+	}
+
+	cp++;			/*%< skip the hemisphere */
+	while (!isspace((unsigned char)*cp))	/*%< if any trailing garbage */
+		cp++;
+
+	while (isspace((unsigned char)*cp))	/*%< move to next field */
+		cp++;
+
+	*latlonstrptr = cp;
+
+	return (retval);
+}
+
+/*%
+ * converts a zone file representation in a string to an RDATA on-the-wire
+ * representation. */
+int
+loc_aton(ascii, binary)
+	const char *ascii;
+	u_char *binary;
+{
+	const char *cp, *maxcp;
+	u_char *bcp;
+
+	u_int32_t latit = 0, longit = 0, alt = 0;
+	u_int32_t lltemp1 = 0, lltemp2 = 0;
+	int altmeters = 0, altfrac = 0, altsign = 1;
+	u_int8_t hp = 0x16;	/*%< default = 1e6 cm = 10000.00m = 10km */
+	u_int8_t vp = 0x13;	/*%< default = 1e3 cm = 10.00m */
+	u_int8_t siz = 0x12;	/*%< default = 1e2 cm = 1.00m */
+	int which1 = 0, which2 = 0;
+
+	cp = ascii;
+	maxcp = cp + strlen(ascii);
+
+	lltemp1 = latlon2ul(&cp, &which1);
+
+	lltemp2 = latlon2ul(&cp, &which2);
+
+	switch (which1 + which2) {
+	case 3:			/*%< 1 + 2, the only valid combination */
+		if ((which1 == 1) && (which2 == 2)) { /*%< normal case */
+			latit = lltemp1;
+			longit = lltemp2;
+		} else if ((which1 == 2) && (which2 == 1)) { /*%< reversed */
+			longit = lltemp1;
+			latit = lltemp2;
+		} else {	/*%< some kind of brokenness */
+			return (0);
+		}
+		break;
+	default:		/*%< we didn't get one of each */
+		return (0);
+	}
+
+	/* altitude */
+	if (*cp == '-') {
+		altsign = -1;
+		cp++;
+	}
+
+	if (*cp == '+')
+		cp++;
+
+	while (isdigit((unsigned char)*cp))
+		altmeters = altmeters * 10 + (*cp++ - '0');
+
+	if (*cp == '.') {		/*%< decimal meters */
+		cp++;
+		if (isdigit((unsigned char)*cp)) {
+			altfrac = (*cp++ - '0') * 10;
+			if (isdigit((unsigned char)*cp)) {
+				altfrac += (*cp++ - '0');
+			}
+		}
+	}
+
+	alt = (10000000 + (altsign * (altmeters * 100 + altfrac)));
+
+	while (!isspace((unsigned char)*cp) && (cp < maxcp)) /*%< if trailing garbage or m */
+		cp++;
+
+	while (isspace((unsigned char)*cp) && (cp < maxcp))
+		cp++;
+
+	if (cp >= maxcp)
+		goto defaults;
+
+	siz = precsize_aton(&cp);
+
+	while (!isspace((unsigned char)*cp) && (cp < maxcp))	/*%< if trailing garbage or m */
+		cp++;
+
+	while (isspace((unsigned char)*cp) && (cp < maxcp))
+		cp++;
+
+	if (cp >= maxcp)
+		goto defaults;
+
+	hp = precsize_aton(&cp);
+
+	while (!isspace((unsigned char)*cp) && (cp < maxcp))	/*%< if trailing garbage or m */
+		cp++;
+
+	while (isspace((unsigned char)*cp) && (cp < maxcp))
+		cp++;
+
+	if (cp >= maxcp)
+		goto defaults;
+
+	vp = precsize_aton(&cp);
+
+ defaults:
+
+	bcp = binary;
+	*bcp++ = (u_int8_t) 0;	/*%< version byte */
+	*bcp++ = siz;
+	*bcp++ = hp;
+	*bcp++ = vp;
+	PUTLONG(latit,bcp);
+	PUTLONG(longit,bcp);
+	PUTLONG(alt,bcp);
+
+	return (16);		/*%< size of RR in octets */
+}
+
+/*% takes an on-the-wire LOC RR and formats it in a human readable format. */
+const char *
+loc_ntoa(binary, ascii)
+	const u_char *binary;
+	char *ascii;
+{
+	static const char *error = "?";
+	static char tmpbuf[sizeof
+"1000 60 60.000 N 1000 60 60.000 W -12345678.00m 90000000.00m 90000000.00m 90000000.00m"];
+	const u_char *cp = binary;
+
+	int latdeg, latmin, latsec, latsecfrac;
+	int longdeg, longmin, longsec, longsecfrac;
+	char northsouth, eastwest;
+	const char *altsign;
+	int altmeters, altfrac;
+
+	const u_int32_t referencealt = 100000 * 100;
+
+	int32_t latval, longval, altval;
+	u_int32_t templ;
+	u_int8_t sizeval, hpval, vpval, versionval;
+
+	char *sizestr, *hpstr, *vpstr;
+
+	versionval = *cp++;
+
+	if (ascii == NULL)
+		ascii = tmpbuf;
+
+	if (versionval) {
+		(void) sprintf(ascii, "; error: unknown LOC RR version");
+		return (ascii);
+	}
+
+	sizeval = *cp++;
+
+	hpval = *cp++;
+	vpval = *cp++;
+
+	GETLONG(templ, cp);
+	latval = (templ - ((unsigned)1<<31));
+
+	GETLONG(templ, cp);
+	longval = (templ - ((unsigned)1<<31));
+
+	GETLONG(templ, cp);
+	if (templ < referencealt) { /*%< below WGS 84 spheroid */
+		altval = referencealt - templ;
+		altsign = "-";
+	} else {
+		altval = templ - referencealt;
+		altsign = "";
+	}
+
+	if (latval < 0) {
+		northsouth = 'S';
+		latval = -latval;
+	} else
+		northsouth = 'N';
+
+	latsecfrac = latval % 1000;
+	latval = latval / 1000;
+	latsec = latval % 60;
+	latval = latval / 60;
+	latmin = latval % 60;
+	latval = latval / 60;
+	latdeg = latval;
+
+	if (longval < 0) {
+		eastwest = 'W';
+		longval = -longval;
+	} else
+		eastwest = 'E';
+
+	longsecfrac = longval % 1000;
+	longval = longval / 1000;
+	longsec = longval % 60;
+	longval = longval / 60;
+	longmin = longval % 60;
+	longval = longval / 60;
+	longdeg = longval;
+
+	altfrac = altval % 100;
+	altmeters = (altval / 100);
+
+	sizestr = strdup(precsize_ntoa(sizeval));
+	hpstr = strdup(precsize_ntoa(hpval));
+	vpstr = strdup(precsize_ntoa(vpval));
+
+	sprintf(ascii,
+	    "%d %.2d %.2d.%.3d %c %d %.2d %.2d.%.3d %c %s%d.%.2dm %sm %sm %sm",
+		latdeg, latmin, latsec, latsecfrac, northsouth,
+		longdeg, longmin, longsec, longsecfrac, eastwest,
+		altsign, altmeters, altfrac,
+		(sizestr != NULL) ? sizestr : error,
+		(hpstr != NULL) ? hpstr : error,
+		(vpstr != NULL) ? vpstr : error);
+
+	if (sizestr != NULL)
+		free(sizestr);
+	if (hpstr != NULL)
+		free(hpstr);
+	if (vpstr != NULL)
+		free(vpstr);
+
+	return (ascii);
+}
+
+
+/*% Return the number of DNS hierarchy levels in the name. */
+int
+dn_count_labels(const char *name) {
+	int i, len, count;
+
+	len = strlen(name);
+	for (i = 0, count = 0; i < len; i++) {
+		/* XXX need to check for \. or use named's nlabels(). */
+		if (name[i] == '.')
+			count++;
+	}
+
+	/* don't count initial wildcard */
+	if (name[0] == '*')
+		if (count)
+			count--;
+
+	/* don't count the null label for root. */
+	/* if terminating '.' not found, must adjust */
+	/* count to include last label */
+	if (len > 0 && name[len-1] != '.')
+		count++;
+	return (count);
+}
+
+/*%
+ * Make dates expressed in seconds-since-Jan-1-1970 easy to read.
+ * SIG records are required to be printed like this, by the Secure DNS RFC.
+ */
+char *
+p_secstodate (u_long secs) {
+	char *output = p_secstodate_output;
+	time_t clock = secs;
+	struct tm *time;
+#ifdef HAVE_TIME_R
+	struct tm res;
+
+	time = gmtime_r(&clock, &res);
+#else
+	time = gmtime(&clock);
+#endif
+	time->tm_year += 1900;
+	time->tm_mon += 1;
+	sprintf(output, "%04d%02d%02d%02d%02d%02d",
+		time->tm_year, time->tm_mon, time->tm_mday,
+		time->tm_hour, time->tm_min, time->tm_sec);
+	return (output);
+}
+
+u_int16_t
+res_nametoclass(const char *buf, int *successp) {
+	unsigned long result;
+	char *endptr;
+	int success;
+
+	result = sym_ston(__p_class_syms, buf, &success);
+	if (success)
+		goto done;
+
+	if (strncasecmp(buf, "CLASS", 5) != 0 ||
+	    !isdigit((unsigned char)buf[5]))
+		goto done;
+	errno = 0;
+	result = strtoul(buf + 5, &endptr, 10);
+	if (errno == 0 && *endptr == '\0' && result <= 0xffffU)
+		success = 1;
+ done:
+	if (successp)
+		*successp = success;
+	return (result);
+}
+
+u_int16_t
+res_nametotype(const char *buf, int *successp) {
+	unsigned long result;
+	char *endptr;
+	int success;
+
+	result = sym_ston(__p_type_syms, buf, &success);
+	if (success)
+		goto done;
+
+	if (strncasecmp(buf, "type", 4) != 0 ||
+	    !isdigit((unsigned char)buf[4]))
+		goto done;
+	errno = 0;
+	result = strtoul(buf + 4, &endptr, 10);
+	if (errno == 0 && *endptr == '\0' && result <= 0xffffU)
+		success = 1;
+ done:
+	if (successp)
+		*successp = success;
+	return (result);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/res_debug.h b/usr/src/lib/libresolv2_joy/common/resolv/res_debug.h
new file mode 100644
index 0000000000..c28171d7c8
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/res_debug.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _RES_DEBUG_H_
+#define _RES_DEBUG_H_
+
+#ifndef DEBUG
+#   define Dprint(cond, args) /*empty*/
+#   define DprintQ(cond, args, query, size) /*empty*/
+#   define Aerror(statp, file, string, error, address) /*empty*/
+#   define Perror(statp, file, string, error) /*empty*/
+#else
+#   define Dprint(cond, args) if (cond) {fprintf args;} else {}
+#   define DprintQ(cond, args, query, size) if (cond) {\
+			fprintf args;\
+			res_pquery(statp, query, size, stdout);\
+		} else {}
+#endif
+
+#endif /* _RES_DEBUG_H_ */ 
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/res_findzonecut.c b/usr/src/lib/libresolv2_joy/common/resolv/res_findzonecut.c
new file mode 100644
index 0000000000..431c0262c1
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/res_findzonecut.c
@@ -0,0 +1,722 @@
+#if !defined(lint) && !defined(SABER)
+static const char rcsid[] = "$Id: res_findzonecut.c,v 1.10 2005/10/11 00:10:16 marka Exp $";
+#endif /* not lint */
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* Import. */
+
+#include "port_before.h"
+
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <limits.h>
+#include <netdb.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <isc/list.h>
+
+#include "port_after.h"
+
+#include <resolv_joy.h>
+
+/* Data structures. */
+
+typedef struct rr_a {
+	LINK(struct rr_a)	link;
+	union res_sockaddr_union addr;
+} rr_a;
+typedef LIST(rr_a) rrset_a;
+
+typedef struct rr_ns {
+	LINK(struct rr_ns)	link;
+	const char *		name;
+	unsigned int		flags;
+	rrset_a			addrs;
+} rr_ns;
+typedef LIST(rr_ns) rrset_ns;
+
+#define	RR_NS_HAVE_V4		0x01
+#define	RR_NS_HAVE_V6		0x02
+
+/* Forward. */
+
+static int	satisfy(res_state, const char *, rrset_ns *,
+			union res_sockaddr_union *, int);
+static int	add_addrs(res_state, rr_ns *,
+			  union res_sockaddr_union *, int);
+static int	get_soa(res_state, const char *, ns_class, int,
+			char *, size_t, char *, size_t,
+			rrset_ns *);
+static int	get_ns(res_state, const char *, ns_class, int, rrset_ns *);
+static int	get_glue(res_state, ns_class, int, rrset_ns *);
+static int	save_ns(res_state, ns_msg *, ns_sect,
+			const char *, ns_class, int, rrset_ns *);
+static int	save_a(res_state, ns_msg *, ns_sect,
+		       const char *, ns_class, int, rr_ns *);
+static void	free_nsrrset(rrset_ns *);
+static void	free_nsrr(rrset_ns *, rr_ns *);
+static rr_ns *	find_ns(rrset_ns *, const char *);
+static int	do_query(res_state, const char *, ns_class, ns_type,
+			 u_char *, ns_msg *);
+static void	res_dprintf(const char *, ...) ISC_FORMAT_PRINTF(1, 2);
+
+/* Macros. */
+
+#define DPRINTF(x) do {\
+		int save_errno = errno; \
+		if ((statp->options & RES_DEBUG) != 0U) res_dprintf x; \
+		errno = save_errno; \
+	} while (0)
+
+/* Public. */
+
+/*%
+ *	find enclosing zone for a <dname,class>, and some server addresses
+ *
+ * parameters:
+ *\li	res - resolver context to work within (is modified)
+ *\li	dname - domain name whose enclosing zone is desired
+ *\li	class - class of dname (and its enclosing zone)
+ *\li	zname - found zone name
+ *\li	zsize - allocated size of zname
+ *\li	addrs - found server addresses
+ *\li	naddrs - max number of addrs
+ *
+ * return values:
+ *\li	< 0 - an error occurred (check errno)
+ *\li	= 0 - zname is now valid, but addrs[] wasn't changed
+ *\li	> 0 - zname is now valid, and return value is number of addrs[] found
+ *
+ * notes:
+ *\li	this function calls res_nsend() which means it depends on correctly
+ *	functioning recursive nameservers (usually defined in /etc/resolv.conf
+ *	or its local equivilent).
+ *
+ *\li	we start by asking for an SOA<dname,class>.  if we get one as an
+ *	answer, that just means <dname,class> is a zone top, which is fine.
+ *	more than likely we'll be told to go pound sand, in the form of a
+ *	negative answer.
+ *
+ *\li	note that we are not prepared to deal with referrals since that would
+ *	only come from authority servers and our correctly functioning local
+ *	recursive server would have followed the referral and got us something
+ *	more definite.
+ *
+ *\li	if the authority section contains an SOA, this SOA should also be the
+ *	closest enclosing zone, since any intermediary zone cuts would've been
+ *	returned as referrals and dealt with by our correctly functioning local
+ *	recursive name server.  but an SOA in the authority section should NOT
+ *	match our dname (since that would have been returned in the answer
+ *	section).  an authority section SOA has to be "above" our dname.
+ *
+ *\li	however, since authority section SOA's were once optional, it's
+ *	possible that we'll have to go hunting for the enclosing SOA by
+ *	ripping labels off the front of our dname -- this is known as "doing
+ *	it the hard way."
+ *
+ *\li	ultimately we want some server addresses, which are ideally the ones
+ *	pertaining to the SOA.MNAME, but only if there is a matching NS RR.
+ *	so the second phase (after we find an SOA) is to go looking for the
+ *	NS RRset for that SOA's zone.
+ *
+ *\li	no answer section processed by this code is allowed to contain CNAME
+ *	or DNAME RR's.  for the SOA query this means we strip a label and
+ *	keep going.  for the NS and A queries this means we just give up.
+ */
+
+int
+res_findzonecut(res_state statp, const char *dname, ns_class class, int opts,
+		char *zname, size_t zsize, struct in_addr *addrs, int naddrs)
+{
+	int result, i;
+	union res_sockaddr_union *u;
+
+	
+	opts |= RES_IPV4ONLY;
+	opts &= ~RES_IPV6ONLY;
+
+	u = calloc(naddrs, sizeof(*u));
+	if (u == NULL)
+		return(-1);
+
+	result = res_findzonecut2(statp, dname, class, opts, zname, zsize,
+				  u, naddrs);
+
+	for (i = 0; i < result; i++) {
+		addrs[i] = u[i].sin.sin_addr;
+	}
+	free(u);
+	return (result);
+}
+
+int
+res_findzonecut2(res_state statp, const char *dname, ns_class class, int opts,
+		 char *zname, size_t zsize, union res_sockaddr_union *addrs,
+		 int naddrs)
+{
+	char mname[NS_MAXDNAME];
+	u_long save_pfcode;
+	rrset_ns nsrrs;
+	int n;
+
+	DPRINTF(("START dname='%s' class=%s, zsize=%ld, naddrs=%d",
+		 dname, p_class(class), (long)zsize, naddrs));
+	save_pfcode = statp->pfcode;
+	statp->pfcode |= RES_PRF_HEAD2 | RES_PRF_HEAD1 | RES_PRF_HEADX |
+			 RES_PRF_QUES | RES_PRF_ANS |
+			 RES_PRF_AUTH | RES_PRF_ADD;
+	INIT_LIST(nsrrs);
+
+	DPRINTF(("get the soa, and see if it has enough glue"));
+	if ((n = get_soa(statp, dname, class, opts, zname, zsize,
+			 mname, sizeof mname, &nsrrs)) < 0 ||
+	    ((opts & RES_EXHAUSTIVE) == 0 &&
+	     (n = satisfy(statp, mname, &nsrrs, addrs, naddrs)) > 0))
+		goto done;
+
+	DPRINTF(("get the ns rrset and see if it has enough glue"));
+	if ((n = get_ns(statp, zname, class, opts, &nsrrs)) < 0 ||
+	    ((opts & RES_EXHAUSTIVE) == 0 &&
+	     (n = satisfy(statp, mname, &nsrrs, addrs, naddrs)) > 0))
+		goto done;
+
+	DPRINTF(("get the missing glue and see if it's finally enough"));
+	if ((n = get_glue(statp, class, opts, &nsrrs)) >= 0)
+		n = satisfy(statp, mname, &nsrrs, addrs, naddrs);
+
+ done:
+	DPRINTF(("FINISH n=%d (%s)", n, (n < 0) ? strerror(errno) : "OK"));
+	free_nsrrset(&nsrrs);
+	statp->pfcode = save_pfcode;
+	return (n);
+}
+
+/* Private. */
+
+static int
+satisfy(res_state statp, const char *mname, rrset_ns *nsrrsp,
+	union res_sockaddr_union *addrs, int naddrs)
+{
+	rr_ns *nsrr;
+	int n, x;
+
+	n = 0;
+	nsrr = find_ns(nsrrsp, mname);
+	if (nsrr != NULL) {
+		x = add_addrs(statp, nsrr, addrs, naddrs);
+		addrs += x;
+		naddrs -= x;
+		n += x;
+	}
+	for (nsrr = HEAD(*nsrrsp);
+	     nsrr != NULL && naddrs > 0;
+	     nsrr = NEXT(nsrr, link))
+		if (ns_samename(nsrr->name, mname) != 1) {
+			x = add_addrs(statp, nsrr, addrs, naddrs);
+			addrs += x;
+			naddrs -= x;
+			n += x;
+		}
+	DPRINTF(("satisfy(%s): %d", mname, n));
+	return (n);
+}
+
+static int
+add_addrs(res_state statp, rr_ns *nsrr,
+	  union res_sockaddr_union *addrs, int naddrs)
+{
+	rr_a *arr;
+	int n = 0;
+
+	for (arr = HEAD(nsrr->addrs); arr != NULL; arr = NEXT(arr, link)) {
+		if (naddrs <= 0)
+			return (0);
+		*addrs++ = arr->addr;
+		naddrs--;
+		n++;
+	}
+	DPRINTF(("add_addrs: %d", n));
+	return (n);
+}
+
+static int
+get_soa(res_state statp, const char *dname, ns_class class, int opts,
+	char *zname, size_t zsize, char *mname, size_t msize,
+	rrset_ns *nsrrsp)
+{
+	char tname[NS_MAXDNAME];
+	u_char *resp = NULL;
+	int n, i, ancount, nscount;
+	ns_sect sect;
+	ns_msg msg;
+	u_int rcode;
+
+	/*
+	 * Find closest enclosing SOA, even if it's for the root zone.
+	 */
+
+	/* First canonicalize dname (exactly one unescaped trailing "."). */
+	if (ns_makecanon(dname, tname, sizeof tname) < 0)
+		goto cleanup;
+	dname = tname;
+
+	resp = malloc(NS_MAXMSG);
+	if (resp == NULL)
+		goto cleanup;
+
+	/* Now grovel the subdomains, hunting for an SOA answer or auth. */
+	for (;;) {
+		/* Leading or inter-label '.' are skipped here. */
+		while (*dname == '.')
+			dname++;
+
+		/* Is there an SOA? */
+		n = do_query(statp, dname, class, ns_t_soa, resp, &msg);
+		if (n < 0) {
+			DPRINTF(("get_soa: do_query('%s', %s) failed (%d)",
+				 dname, p_class(class), n));
+			goto cleanup;
+		}
+		if (n > 0) {
+			DPRINTF(("get_soa: CNAME or DNAME found"));
+			sect = ns_s_max, n = 0;
+		} else {
+			rcode = ns_msg_getflag(msg, ns_f_rcode);
+			ancount = ns_msg_count(msg, ns_s_an);
+			nscount = ns_msg_count(msg, ns_s_ns);
+			if (ancount > 0 && rcode == ns_r_noerror)
+				sect = ns_s_an, n = ancount;
+			else if (nscount > 0)
+				sect = ns_s_ns, n = nscount;
+			else
+				sect = ns_s_max, n = 0;
+		}
+		for (i = 0; i < n; i++) {
+			const char *t;
+			const u_char *rdata;
+			ns_rr rr;
+
+			if (ns_parserr(&msg, sect, i, &rr) < 0) {
+				DPRINTF(("get_soa: ns_parserr(%s, %d) failed",
+					 p_section(sect, ns_o_query), i));
+				goto cleanup;
+			}
+			if (ns_rr_type(rr) == ns_t_cname ||
+			    ns_rr_type(rr) == ns_t_dname)
+				break;
+			if (ns_rr_type(rr) != ns_t_soa ||
+			    ns_rr_class(rr) != class)
+				continue;
+			t = ns_rr_name(rr);
+			switch (sect) {
+			case ns_s_an:
+				if (ns_samedomain(dname, t) == 0) {
+					DPRINTF(
+				    ("get_soa: ns_samedomain('%s', '%s') == 0",
+						dname, t)
+						);
+					errno = EPROTOTYPE;
+					goto cleanup;
+				}
+				break;
+			case ns_s_ns:
+				if (ns_samename(dname, t) == 1 ||
+				    ns_samedomain(dname, t) == 0) {
+					DPRINTF(
+		       ("get_soa: ns_samename() || !ns_samedomain('%s', '%s')",
+						dname, t)
+						);
+					errno = EPROTOTYPE;
+					goto cleanup;
+				}
+				break;
+			default:
+				abort();
+			}
+			if (strlen(t) + 1 > zsize) {
+				DPRINTF(("get_soa: zname(%lu) too small (%lu)",
+					 (unsigned long)zsize,
+					 (unsigned long)strlen(t) + 1));
+				errno = EMSGSIZE;
+				goto cleanup;
+			}
+			strcpy(zname, t);
+			rdata = ns_rr_rdata(rr);
+			if (ns_name_uncompress(resp, ns_msg_end(msg), rdata,
+					       mname, msize) < 0) {
+				DPRINTF(("get_soa: ns_name_uncompress failed")
+					);
+				goto cleanup;
+			}
+			if (save_ns(statp, &msg, ns_s_ns,
+				    zname, class, opts, nsrrsp) < 0) {
+				DPRINTF(("get_soa: save_ns failed"));
+				goto cleanup;
+			}
+			free(resp);
+			return (0);
+		}
+
+		/* If we're out of labels, then not even "." has an SOA! */
+		if (*dname == '\0')
+			break;
+
+		/* Find label-terminating "."; top of loop will skip it. */
+		while (*dname != '.') {
+			if (*dname == '\\')
+				if (*++dname == '\0') {
+					errno = EMSGSIZE;
+					goto cleanup;
+				}
+			dname++;
+		}
+	}
+	DPRINTF(("get_soa: out of labels"));
+	errno = EDESTADDRREQ;
+ cleanup:
+	if (resp != NULL)
+		free(resp);
+	return (-1);
+}
+
+static int
+get_ns(res_state statp, const char *zname, ns_class class, int opts,
+      rrset_ns *nsrrsp)
+{
+	u_char *resp;
+	ns_msg msg;
+	int n;
+
+	resp = malloc(NS_MAXMSG);
+	if (resp == NULL)
+		return (-1);
+
+	/* Go and get the NS RRs for this zone. */
+	n = do_query(statp, zname, class, ns_t_ns, resp, &msg);
+	if (n != 0) {
+		DPRINTF(("get_ns: do_query('%s', %s) failed (%d)",
+			 zname, p_class(class), n));
+		free(resp);
+		return (-1);
+	}
+
+	/* Remember the NS RRs and associated A RRs that came back. */
+	if (save_ns(statp, &msg, ns_s_an, zname, class, opts, nsrrsp) < 0) {
+		DPRINTF(("get_ns save_ns('%s', %s) failed",
+			 zname, p_class(class)));
+		free(resp);
+		return (-1);
+	}
+
+	free(resp);
+	return (0);
+}
+
+static int
+get_glue(res_state statp, ns_class class, int opts, rrset_ns *nsrrsp) {
+	rr_ns *nsrr, *nsrr_n;
+	u_char *resp;
+
+	resp = malloc(NS_MAXMSG);
+	if (resp == NULL)
+		return(-1);
+
+	/* Go and get the A RRs for each empty NS RR on our list. */
+	for (nsrr = HEAD(*nsrrsp); nsrr != NULL; nsrr = nsrr_n) {
+		ns_msg msg;
+		int n;
+
+		nsrr_n = NEXT(nsrr, link);
+
+		if ((nsrr->flags & RR_NS_HAVE_V4) == 0) {
+			n = do_query(statp, nsrr->name, class, ns_t_a,
+				     resp, &msg);
+			if (n < 0) {
+				DPRINTF(
+				       ("get_glue: do_query('%s', %s') failed",
+					nsrr->name, p_class(class)));
+				goto cleanup;
+			}
+			if (n > 0) {
+				DPRINTF((
+			"get_glue: do_query('%s', %s') CNAME or DNAME found",
+					 nsrr->name, p_class(class)));
+			}
+			if (save_a(statp, &msg, ns_s_an, nsrr->name, class,
+				   opts, nsrr) < 0) {
+				DPRINTF(("get_glue: save_r('%s', %s) failed",
+					 nsrr->name, p_class(class)));
+				goto cleanup;
+			}
+		}
+
+		if ((nsrr->flags & RR_NS_HAVE_V6) == 0) {
+			n = do_query(statp, nsrr->name, class, ns_t_aaaa,
+				     resp, &msg);
+			if (n < 0) {
+				DPRINTF(
+				       ("get_glue: do_query('%s', %s') failed",
+					nsrr->name, p_class(class)));
+				goto cleanup;
+			}
+			if (n > 0) {
+				DPRINTF((
+			"get_glue: do_query('%s', %s') CNAME or DNAME found",
+					 nsrr->name, p_class(class)));
+			}
+			if (save_a(statp, &msg, ns_s_an, nsrr->name, class,
+				   opts, nsrr) < 0) {
+				DPRINTF(("get_glue: save_r('%s', %s) failed",
+					 nsrr->name, p_class(class)));
+				goto cleanup;
+			}
+		}
+
+		/* If it's still empty, it's just chaff. */
+		if (EMPTY(nsrr->addrs)) {
+			DPRINTF(("get_glue: removing empty '%s' NS",
+				 nsrr->name));
+			free_nsrr(nsrrsp, nsrr);
+		}
+	}
+	free(resp);
+	return (0);
+
+ cleanup:
+	free(resp);
+	return (-1);
+}
+
+static int
+save_ns(res_state statp, ns_msg *msg, ns_sect sect,
+	const char *owner, ns_class class, int opts,
+	rrset_ns *nsrrsp)
+{
+	int i;
+
+	for (i = 0; i < ns_msg_count(*msg, sect); i++) {
+		char tname[MAXDNAME];
+		const u_char *rdata;
+		rr_ns *nsrr;
+		ns_rr rr;
+
+		if (ns_parserr(msg, sect, i, &rr) < 0) {
+			DPRINTF(("save_ns: ns_parserr(%s, %d) failed",
+				 p_section(sect, ns_o_query), i));
+			return (-1);
+		}
+		if (ns_rr_type(rr) != ns_t_ns ||
+		    ns_rr_class(rr) != class ||
+		    ns_samename(ns_rr_name(rr), owner) != 1)
+			continue;
+		nsrr = find_ns(nsrrsp, ns_rr_name(rr));
+		if (nsrr == NULL) {
+			nsrr = malloc(sizeof *nsrr);
+			if (nsrr == NULL) {
+				DPRINTF(("save_ns: malloc failed"));
+				return (-1);
+			}
+			rdata = ns_rr_rdata(rr);
+			if (ns_name_uncompress(ns_msg_base(*msg),
+					       ns_msg_end(*msg), rdata,
+					       tname, sizeof tname) < 0) {
+				DPRINTF(("save_ns: ns_name_uncompress failed")
+					);
+				free(nsrr);
+				return (-1);
+			}
+			nsrr->name = strdup(tname);
+			if (nsrr->name == NULL) {
+				DPRINTF(("save_ns: strdup failed"));
+				free(nsrr);
+				return (-1);
+			}
+			INIT_LINK(nsrr, link);
+			INIT_LIST(nsrr->addrs);
+			nsrr->flags = 0;
+			APPEND(*nsrrsp, nsrr, link);
+		}
+		if (save_a(statp, msg, ns_s_ar,
+			   nsrr->name, class, opts, nsrr) < 0) {
+			DPRINTF(("save_ns: save_r('%s', %s) failed",
+				 nsrr->name, p_class(class)));
+			return (-1);
+		}
+	}
+	return (0);
+}
+
+static int
+save_a(res_state statp, ns_msg *msg, ns_sect sect,
+       const char *owner, ns_class class, int opts,
+       rr_ns *nsrr)
+{
+	int i;
+
+	for (i = 0; i < ns_msg_count(*msg, sect); i++) {
+		ns_rr rr;
+		rr_a *arr;
+
+		if (ns_parserr(msg, sect, i, &rr) < 0) {
+			DPRINTF(("save_a: ns_parserr(%s, %d) failed",
+				 p_section(sect, ns_o_query), i));
+			return (-1);
+		}
+		if ((ns_rr_type(rr) != ns_t_a &&
+		     ns_rr_type(rr) != ns_t_aaaa) ||
+		    ns_rr_class(rr) != class ||
+		    ns_samename(ns_rr_name(rr), owner) != 1 ||
+		    ns_rr_rdlen(rr) != NS_INADDRSZ)
+			continue;
+		if ((opts & RES_IPV6ONLY) != 0 && ns_rr_type(rr) != ns_t_aaaa)
+			continue;
+		if ((opts & RES_IPV4ONLY) != 0 && ns_rr_type(rr) != ns_t_a)
+			continue;
+		arr = malloc(sizeof *arr);
+		if (arr == NULL) {
+			DPRINTF(("save_a: malloc failed"));
+			return (-1);
+		}
+		INIT_LINK(arr, link);
+		memset(&arr->addr, 0, sizeof(arr->addr));
+		switch (ns_rr_type(rr)) {
+		case ns_t_a:
+			arr->addr.sin.sin_family = AF_INET;
+#ifdef HAVE_SA_LEN
+			arr->addr.sin.sin_len = sizeof(arr->addr.sin);
+#endif
+			memcpy(&arr->addr.sin.sin_addr, ns_rr_rdata(rr),
+			       NS_INADDRSZ);
+			arr->addr.sin.sin_port = htons(NAMESERVER_PORT);
+			nsrr->flags |= RR_NS_HAVE_V4;
+			break;
+		case ns_t_aaaa:
+			arr->addr.sin6.sin6_family = AF_INET6;
+#ifdef HAVE_SA_LEN
+			arr->addr.sin6.sin6_len = sizeof(arr->addr.sin6);
+#endif
+			memcpy(&arr->addr.sin6.sin6_addr, ns_rr_rdata(rr), 16);
+			arr->addr.sin.sin_port = htons(NAMESERVER_PORT);
+			nsrr->flags |= RR_NS_HAVE_V6;
+			break;
+		default:
+			abort();
+		}
+		APPEND(nsrr->addrs, arr, link);
+	}
+	return (0);
+}
+
+static void
+free_nsrrset(rrset_ns *nsrrsp) {
+	rr_ns *nsrr;
+
+	while ((nsrr = HEAD(*nsrrsp)) != NULL)
+		free_nsrr(nsrrsp, nsrr);
+}
+
+static void
+free_nsrr(rrset_ns *nsrrsp, rr_ns *nsrr) {
+	rr_a *arr;
+	char *tmp;
+
+	while ((arr = HEAD(nsrr->addrs)) != NULL) {
+		UNLINK(nsrr->addrs, arr, link);
+		free(arr);
+	}
+	DE_CONST(nsrr->name, tmp);
+	free(tmp);
+	UNLINK(*nsrrsp, nsrr, link);
+	free(nsrr);
+}
+
+static rr_ns *
+find_ns(rrset_ns *nsrrsp, const char *dname) {
+	rr_ns *nsrr;
+
+	for (nsrr = HEAD(*nsrrsp); nsrr != NULL; nsrr = NEXT(nsrr, link))
+		if (ns_samename(nsrr->name, dname) == 1)
+			return (nsrr);
+	return (NULL);
+}
+
+static int
+do_query(res_state statp, const char *dname, ns_class class, ns_type qtype,
+	 u_char *resp, ns_msg *msg)
+{
+	u_char req[NS_PACKETSZ];
+	int i, n;
+
+	n = res_nmkquery(statp, ns_o_query, dname, class, qtype,
+			 NULL, 0, NULL, req, NS_PACKETSZ);
+	if (n < 0) {
+		DPRINTF(("do_query: res_nmkquery failed"));
+		return (-1);
+	}
+	n = res_nsend(statp, req, n, resp, NS_MAXMSG);
+	if (n < 0) {
+		DPRINTF(("do_query: res_nsend failed"));
+		return (-1);
+	}
+	if (n == 0) {
+		DPRINTF(("do_query: res_nsend returned 0"));
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	if (ns_initparse(resp, n, msg) < 0) {
+		DPRINTF(("do_query: ns_initparse failed"));
+		return (-1);
+	}
+	n = 0;
+	for (i = 0; i < ns_msg_count(*msg, ns_s_an); i++) {
+		ns_rr rr;
+
+		if (ns_parserr(msg, ns_s_an, i, &rr) < 0) {
+			DPRINTF(("do_query: ns_parserr failed"));
+			return (-1);
+		}
+		n += (ns_rr_class(rr) == class &&
+		      (ns_rr_type(rr) == ns_t_cname ||
+		       ns_rr_type(rr) == ns_t_dname));
+	}
+	return (n);
+}
+
+static void
+res_dprintf(const char *fmt, ...) {
+	va_list ap;
+
+	va_start(ap, fmt);
+	fputs(";; res_findzonecut: ", stderr);
+	vfprintf(stderr, fmt, ap);
+	fputc('\n', stderr);
+	va_end(ap);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/res_init.c b/usr/src/lib/libresolv2_joy/common/resolv/res_init.c
new file mode 100644
index 0000000000..10254d1931
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/res_init.c
@@ -0,0 +1,958 @@
+/*
+ * Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved.
+ */
+
+
+/*
+ * Copyright (c) 1985, 1989, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ * 
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)res_init.c	8.1 (Berkeley) 6/7/93";
+static const char rcsid[] = "$Id: res_init.c,v 1.26 2008/12/11 09:59:00 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <netdb.h>
+
+#ifndef HAVE_MD5
+# include "../dst/md5.h"
+#else
+# ifdef SOLARIS2
+#  include <sys/md5.h>
+# endif
+#endif
+#ifndef _MD5_H_
+# define _MD5_H_ 1	/*%< make sure we do not include rsaref md5.h file */
+#endif
+
+
+#include "port_after.h"
+
+/* ensure that sockaddr_in6 and IN6ADDR_ANY_INIT are declared / defined */
+#include <resolv_joy.h>
+
+/* ISC purposely put port_after.h before <resolv.h> to force in6 stuff
+ * (above) so we explicitly include port_resolv.h here */
+#include "port_resolv.h"
+
+#include "res_private.h"
+
+/*% Options.  Should all be left alone. */
+#define RESOLVSORT
+#define DEBUG
+
+#ifdef  SUNW_INITCHKIF
+#include <net/if.h>
+#include <netinet/if_ether.h>
+#include <sys/sockio.h>
+#define MAXIFS  8192
+#endif  /* SUNW_INITCHKIF */
+
+#ifdef SOLARIS2
+#include <sys/systeminfo.h>
+#endif
+
+static void res_setoptions __P((res_state, const char *, const char *));
+
+#ifdef RESOLVSORT
+static const char sort_mask[] = "/&";
+#define ISSORTMASK(ch) (strchr(sort_mask, ch) != NULL)
+static u_int32_t net_mask __P((struct in_addr));
+#endif
+
+#if !defined(isascii)	/*%< XXX - could be a function */
+# define isascii(c) (!(c & 0200))
+#endif
+
+/*
+ * Resolver state default settings.
+ */
+
+/*%
+ * Set up default settings.  If the configuration file exist, the values
+ * there will have precedence.  Otherwise, the server address is set to
+ * INADDR_ANY and the default domain name comes from the gethostname().
+ *
+ * An interrim version of this code (BIND 4.9, pre-4.4BSD) used 127.0.0.1
+ * rather than INADDR_ANY ("0.0.0.0") as the default name server address
+ * since it was noted that INADDR_ANY actually meant ``the first interface
+ * you "ifconfig"'d at boot time'' and if this was a SLIP or PPP interface,
+ * it had to be "up" in order for you to reach your own name server.  It
+ * was later decided that since the recommended practice is to always 
+ * install local static routes through 127.0.0.1 for all your network
+ * interfaces, that we could solve this problem without a code change.
+ *
+ * The configuration file should always be used, since it is the only way
+ * to specify a default domain.  If you are running a server on your local
+ * machine, you should say "nameserver 0.0.0.0" or "nameserver 127.0.0.1"
+ * in the configuration file.
+ *
+ * Return 0 if completes successfully, -1 on error
+ */
+int
+res_ninit(res_state statp) {
+	extern int __res_vinit(res_state, int);
+	return (__res_vinit(statp, 0));
+}
+
+/*% This function has to be reachable by res_data.c but not publically. */
+int
+__res_vinit(res_state statp, int preinit) {
+	register FILE *fp;
+	register char *cp, **pp;
+	register int n;
+	char buf[BUFSIZ];
+	int nserv = 0;    /*%< number of nameserver records read from file */
+	int haveenv = 0;
+	int havesearch = 0;
+#ifdef RESOLVSORT
+	int nsort = 0;
+	char *net;
+#endif
+	int dots;
+	union res_sockaddr_union u[2];
+	int maxns = MAXNS;
+
+	RES_SET_H_ERRNO(statp, 0);
+	if (statp->_u._ext.ext != NULL)
+		res_ndestroy(statp);
+
+	if (!preinit) {
+		statp->retrans = RES_TIMEOUT;
+		statp->retry = RES_DFLRETRY;
+		statp->options = RES_DEFAULT;
+		res_rndinit(statp);
+		statp->id = res_nrandomid(statp);
+	}
+
+	memset(u, 0, sizeof(u));
+#ifdef USELOOPBACK
+	u[nserv].sin.sin_addr = inet_makeaddr(IN_LOOPBACKNET, 1);
+#else
+	u[nserv].sin.sin_addr.s_addr = INADDR_ANY;
+#endif
+	u[nserv].sin.sin_family = AF_INET;
+	u[nserv].sin.sin_port = htons(NAMESERVER_PORT);
+#ifdef HAVE_SA_LEN
+	u[nserv].sin.sin_len = sizeof(struct sockaddr_in);
+#endif
+	nserv++;
+#ifdef HAS_INET6_STRUCTS
+#ifdef USELOOPBACK
+	u[nserv].sin6.sin6_addr = in6addr_loopback;
+#else
+	u[nserv].sin6.sin6_addr = in6addr_any;
+#endif
+	u[nserv].sin6.sin6_family = AF_INET6;
+	u[nserv].sin6.sin6_port = htons(NAMESERVER_PORT);
+#ifdef HAVE_SA_LEN
+	u[nserv].sin6.sin6_len = sizeof(struct sockaddr_in6);
+#endif
+	nserv++;
+#endif
+	statp->nscount = 0;
+	statp->ndots = 1;
+	statp->pfcode = 0;
+	statp->_vcsock = -1;
+	statp->_flags = 0;
+	statp->qhook = NULL;
+	statp->rhook = NULL;
+	statp->_u._ext.nscount = 0;
+	statp->_u._ext.ext = malloc(sizeof(*statp->_u._ext.ext));
+	if (statp->_u._ext.ext != NULL) {
+	        memset(statp->_u._ext.ext, 0, sizeof(*statp->_u._ext.ext));
+		statp->_u._ext.ext->nsaddrs[0].sin = statp->nsaddr;
+		strcpy(statp->_u._ext.ext->nsuffix, "ip6.arpa");
+		strcpy(statp->_u._ext.ext->nsuffix2, "ip6.int");
+	} else {
+		/*
+		 * Historically res_init() rarely, if at all, failed.
+		 * Examples and applications exist which do not check
+		 * our return code.  Furthermore several applications
+		 * simply call us to get the systems domainname.  So
+		 * rather then immediately fail here we store the
+		 * failure, which is returned later, in h_errno.  And
+		 * prevent the collection of 'nameserver' information
+		 * by setting maxns to 0.  Thus applications that fail
+		 * to check our return code wont be able to make
+		 * queries anyhow.
+		 */
+		RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
+		maxns = 0;
+	}
+#ifdef RESOLVSORT
+	statp->nsort = 0;
+#endif
+	res_setservers(statp, u, nserv);
+
+#ifdef  SUNW_INITCHKIF
+/*
+ * Short circuit res_init() if no non-loopback interfaces are up. This is
+ * done to avoid boot delays if "dns" comes before "files" in nsswitch.conf.
+ * An additional fix has been added to this code, to count all external
+ * interfaces, which includes the IPv6 interfaces. If no external interfaces
+ * are found, an additional check is carried out to determine if any deprecated
+ * interfaces are up.
+ */
+	{
+		int s;
+		struct lifnum lifn;
+
+		if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+			perror("res_init: socket");
+			goto freedata;
+		}
+		lifn.lifn_family = AF_UNSPEC;
+		lifn.lifn_flags = LIFC_EXTERNAL_SOURCE;
+		if (ioctl(s, SIOCGLIFNUM, (char *)&lifn) < 0) {
+			close(s);
+			goto freedata;
+		}
+		if (lifn.lifn_count == 0) {
+			/*
+			 * Check if there are any deprecated interfaces up
+			 */
+			struct lifconf lifc;
+			uchar_t *buf;
+			int buflen, i, int_up = 0;
+
+			lifn.lifn_flags = 0;
+			if ((ioctl(s, SIOCGLIFNUM, (char *)&lifn) < 0) ||
+					(lifn.lifn_count < 1)) {
+				close(s);
+				goto freedata;
+			}
+
+			buflen = lifn.lifn_count * sizeof (struct lifreq);
+			buf = (uchar_t *)malloc(buflen);
+			if (buf == NULL) {
+				close(s);
+				goto freedata;
+			}
+
+			lifc.lifc_family = AF_UNSPEC;
+			lifc.lifc_flags = 0;
+			lifc.lifc_len = buflen;
+			lifc.lifc_lifcu.lifcu_buf = (caddr_t)buf;
+			if (ioctl(s, SIOCGLIFCONF, (char *)&lifc) < 0) {
+				close(s);
+				free(buf);
+				goto freedata;
+			}
+
+			for (i = 0; i < lifn.lifn_count; ++i) {
+				struct lifreq *lreqp, lreq;
+
+				lreqp = (struct lifreq *)&lifc.lifc_req[i];
+				strlcpy(lreq.lifr_name, lreqp->lifr_name,
+						sizeof (lreq.lifr_name));
+				if (ioctl(s, SIOCGLIFFLAGS, &lreq) < 0) {
+					close(s);
+					free(buf);
+					goto freedata;
+				}
+				if ((lreq.lifr_flags & IFF_UP) &&
+					!(lreq.lifr_flags & IFF_NOLOCAL) &&
+					!(lreq.lifr_flags & IFF_NOXMIT) &&
+					!(lreq.lifr_flags & IFF_LOOPBACK)) {
+					int_up = 1;
+					break;
+				}
+			}
+			free(buf);
+
+			if (!int_up) {
+				close(s);
+				goto freedata;
+			}
+		}
+		close(s);
+	}
+#endif  /* SUNW_INITCHKIF */
+
+#ifdef	SOLARIS2
+	/*
+	 * The old libresolv derived the defaultdomain from NIS/NIS+.
+	 * We want to keep this behaviour
+	 */
+	{
+		char buf[sizeof(statp->defdname)], *cp;
+		int ret;
+
+		if ((ret = sysinfo(SI_SRPC_DOMAIN, buf, sizeof(buf))) > 0 &&
+			(unsigned int)ret <= sizeof(buf)) {
+			if (buf[0] == '+')
+				buf[0] = '.';
+			cp = strchr(buf, '.');
+			cp = (cp == NULL) ? buf : (cp + 1);
+			strncpy(statp->defdname, cp,
+				sizeof(statp->defdname) - 1);
+			statp->defdname[sizeof(statp->defdname) - 1] = '\0';
+		}
+	}
+#endif	/* SOLARIS2 */
+
+	/* Allow user to override the local domain definition */
+	if ((cp = getenv("LOCALDOMAIN")) != NULL) {
+		(void)strncpy(statp->defdname, cp, sizeof(statp->defdname) - 1);
+		statp->defdname[sizeof(statp->defdname) - 1] = '\0';
+		haveenv++;
+
+		/*
+		 * Set search list to be blank-separated strings
+		 * from rest of env value.  Permits users of LOCALDOMAIN
+		 * to still have a search list, and anyone to set the
+		 * one that they want to use as an individual (even more
+		 * important now that the rfc1535 stuff restricts searches)
+		 */
+		cp = statp->defdname;
+		pp = statp->dnsrch;
+		*pp++ = cp;
+		for (n = 0; *cp && pp < statp->dnsrch + MAXDNSRCH; cp++) {
+			if (*cp == '\n')	/*%< silly backwards compat */
+				break;
+			else if (*cp == ' ' || *cp == '\t') {
+				*cp = 0;
+				n = 1;
+			} else if (n) {
+				*pp++ = cp;
+				n = 0;
+				havesearch = 1;
+			}
+		}
+		/* null terminate last domain if there are excess */
+		while (*cp != '\0' && *cp != ' ' && *cp != '\t' && *cp != '\n')
+			cp++;
+		*cp = '\0';
+		*pp++ = 0;
+	}
+
+#define	MATCH(line, name) \
+	(!strncmp(line, name, sizeof(name) - 1) && \
+	(line[sizeof(name) - 1] == ' ' || \
+	 line[sizeof(name) - 1] == '\t'))
+
+	nserv = 0;
+	if ((fp = fopen(_PATH_RESCONF, "r")) != NULL) {
+	    /* read the config file */
+	    while (fgets(buf, sizeof(buf), fp) != NULL) {
+		/* skip comments */
+		if (*buf == ';' || *buf == '#')
+			continue;
+		/* read default domain name */
+		if (MATCH(buf, "domain")) {
+		    if (haveenv)	/*%< skip if have from environ */
+			    continue;
+		    cp = buf + sizeof("domain") - 1;
+		    while (*cp == ' ' || *cp == '\t')
+			    cp++;
+		    if ((*cp == '\0') || (*cp == '\n'))
+			    continue;
+		    strncpy(statp->defdname, cp, sizeof(statp->defdname) - 1);
+		    statp->defdname[sizeof(statp->defdname) - 1] = '\0';
+		    if ((cp = strpbrk(statp->defdname, " \t\n")) != NULL)
+			    *cp = '\0';
+		    havesearch = 0;
+		    continue;
+		}
+		/* set search list */
+		if (MATCH(buf, "search")) {
+		    if (haveenv)	/*%< skip if have from environ */
+			    continue;
+		    cp = buf + sizeof("search") - 1;
+		    while (*cp == ' ' || *cp == '\t')
+			    cp++;
+		    if ((*cp == '\0') || (*cp == '\n'))
+			    continue;
+		    strncpy(statp->defdname, cp, sizeof(statp->defdname) - 1);
+		    statp->defdname[sizeof(statp->defdname) - 1] = '\0';
+		    if ((cp = strchr(statp->defdname, '\n')) != NULL)
+			    *cp = '\0';
+		    /*
+		     * Set search list to be blank-separated strings
+		     * on rest of line.
+		     */
+		    cp = statp->defdname;
+		    pp = statp->dnsrch;
+		    *pp++ = cp;
+		    for (n = 0; *cp && pp < statp->dnsrch + MAXDNSRCH; cp++) {
+			    if (*cp == ' ' || *cp == '\t') {
+				    *cp = 0;
+				    n = 1;
+			    } else if (n) {
+				    *pp++ = cp;
+				    n = 0;
+			    }
+		    }
+		    /* null terminate last domain if there are excess */
+		    while (*cp != '\0' && *cp != ' ' && *cp != '\t')
+			    cp++;
+		    *cp = '\0';
+		    *pp++ = 0;
+		    havesearch = 1;
+		    continue;
+		}
+		/* read nameservers to query */
+		if (MATCH(buf, "nameserver") && nserv < maxns) {
+		    struct addrinfo hints, *ai;
+		    char sbuf[NI_MAXSERV];
+		    const size_t minsiz =
+		        sizeof(statp->_u._ext.ext->nsaddrs[0]);
+
+		    cp = buf + sizeof("nameserver") - 1;
+		    while (*cp == ' ' || *cp == '\t')
+			cp++;
+		    cp[strcspn(cp, ";# \t\n")] = '\0';
+		    if ((*cp != '\0') && (*cp != '\n')) {
+			memset(&hints, 0, sizeof(hints));
+			hints.ai_family = PF_UNSPEC;
+			hints.ai_socktype = SOCK_DGRAM;	/*dummy*/
+			hints.ai_flags = AI_NUMERICHOST;
+			sprintf(sbuf, "%u", NAMESERVER_PORT);
+			if (getaddrinfo(cp, sbuf, &hints, &ai) == 0 &&
+			    ai->ai_addrlen <= minsiz) {
+			    if (statp->_u._ext.ext != NULL) {
+				memcpy(&statp->_u._ext.ext->nsaddrs[nserv],
+				    ai->ai_addr, ai->ai_addrlen);
+			    }
+			    if (ai->ai_addrlen <=
+			        sizeof(statp->nsaddr_list[nserv])) {
+				memcpy(&statp->nsaddr_list[nserv],
+				    ai->ai_addr, ai->ai_addrlen);
+			    } else
+				statp->nsaddr_list[nserv].sin_family = 0;
+			    freeaddrinfo(ai);
+			    nserv++;
+			}
+		    }
+		    continue;
+		}
+#ifdef RESOLVSORT
+		if (MATCH(buf, "sortlist")) {
+		    struct in_addr a;
+
+		    cp = buf + sizeof("sortlist") - 1;
+		    while (nsort < MAXRESOLVSORT) {
+			while (*cp == ' ' || *cp == '\t')
+			    cp++;
+			if (*cp == '\0' || *cp == '\n' || *cp == ';')
+			    break;
+			net = cp;
+			while (*cp && !ISSORTMASK(*cp) && *cp != ';' &&
+			       isascii(*cp) && !isspace((unsigned char)*cp))
+				cp++;
+			n = *cp;
+			*cp = 0;
+			if (inet_aton(net, &a)) {
+			    statp->sort_list[nsort].addr = a;
+			    if (ISSORTMASK(n)) {
+				*cp++ = n;
+				net = cp;
+				while (*cp && *cp != ';' &&
+					isascii(*cp) &&
+					!isspace((unsigned char)*cp))
+				    cp++;
+				n = *cp;
+				*cp = 0;
+				if (inet_aton(net, &a)) {
+				    statp->sort_list[nsort].mask = a.s_addr;
+				} else {
+				    statp->sort_list[nsort].mask = 
+					net_mask(statp->sort_list[nsort].addr);
+				}
+			    } else {
+				statp->sort_list[nsort].mask = 
+				    net_mask(statp->sort_list[nsort].addr);
+			    }
+			    nsort++;
+			}
+			*cp = n;
+		    }
+		    continue;
+		}
+#endif
+		if (MATCH(buf, "options")) {
+		    res_setoptions(statp, buf + sizeof("options") - 1, "conf");
+		    continue;
+		}
+	    }
+	    if (nserv > 0) 
+		statp->nscount = nserv;
+#ifdef RESOLVSORT
+	    statp->nsort = nsort;
+#endif
+	    (void) fclose(fp);
+	}
+/*
+ * Last chance to get a nameserver.  This should not normally
+ * be necessary
+ */
+#ifdef NO_RESOLV_CONF
+	if(nserv == 0)
+		nserv = get_nameservers(statp);
+#endif
+
+	if (statp->defdname[0] == 0 &&
+	    gethostname(buf, sizeof(statp->defdname) - 1) == 0 &&
+	    (cp = strchr(buf, '.')) != NULL)
+		strcpy(statp->defdname, cp + 1);
+
+	/* find components of local domain that might be searched */
+	if (havesearch == 0) {
+		pp = statp->dnsrch;
+		*pp++ = statp->defdname;
+		*pp = NULL;
+
+		dots = 0;
+		for (cp = statp->defdname; *cp; cp++)
+			dots += (*cp == '.');
+
+		cp = statp->defdname;
+		while (pp < statp->dnsrch + MAXDFLSRCH) {
+			if (dots < LOCALDOMAINPARTS)
+				break;
+			cp = strchr(cp, '.') + 1;    /*%< we know there is one */
+			*pp++ = cp;
+			dots--;
+		}
+		*pp = NULL;
+#ifdef DEBUG
+		if (statp->options & RES_DEBUG) {
+			printf(";; res_init()... default dnsrch list:\n");
+			for (pp = statp->dnsrch; *pp; pp++)
+				printf(";;\t%s\n", *pp);
+			printf(";;\t..END..\n");
+		}
+#endif
+	}
+
+	if ((cp = getenv("RES_OPTIONS")) != NULL)
+		res_setoptions(statp, cp, "env");
+	statp->options |= RES_INIT;
+	return (statp->res_h_errno);
+#ifdef  SUNW_INITCHKIF
+freedata:
+	RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
+	if (statp->_u._ext.ext != NULL) {
+		free(statp->_u._ext.ext);
+		statp->_u._ext.ext = NULL;
+	}
+	return (-1);
+#endif  /* SUNW_INITCHKIF */
+
+}
+
+static void
+res_setoptions(res_state statp, const char *options, const char *source)
+{
+	const char *cp = options;
+	int i;
+	struct __res_state_ext *ext = statp->_u._ext.ext;
+
+#ifdef DEBUG
+	if (statp->options & RES_DEBUG)
+		printf(";; res_setoptions(\"%s\", \"%s\")...\n",
+		       options, source);
+#endif
+	while (*cp) {
+		/* skip leading and inner runs of spaces */
+		while (*cp == ' ' || *cp == '\t')
+			cp++;
+		/* search for and process individual options */
+		if (!strncmp(cp, "ndots:", sizeof("ndots:") - 1)) {
+			i = atoi(cp + sizeof("ndots:") - 1);
+			if (i <= RES_MAXNDOTS)
+				statp->ndots = i;
+			else
+				statp->ndots = RES_MAXNDOTS;
+#ifdef DEBUG
+			if (statp->options & RES_DEBUG)
+				printf(";;\tndots=%d\n", statp->ndots);
+#endif
+		} else if (!strncmp(cp, "timeout:", sizeof("timeout:") - 1)) {
+			i = atoi(cp + sizeof("timeout:") - 1);
+			if (i <= RES_MAXRETRANS)
+				statp->retrans = i;
+			else
+				statp->retrans = RES_MAXRETRANS;
+#ifdef DEBUG
+			if (statp->options & RES_DEBUG)
+				printf(";;\ttimeout=%d\n", statp->retrans);
+#endif
+#ifdef	SOLARIS2
+		} else if (!strncmp(cp, "retrans:", sizeof("retrans:") - 1)) {
+			/*
+		 	 * For backward compatibility, 'retrans' is
+		 	 * supported as an alias for 'timeout', though
+		 	 * without an imposed maximum.
+		 	 */
+			statp->retrans = atoi(cp + sizeof("retrans:") - 1);
+		} else if (!strncmp(cp, "retry:", sizeof("retry:") - 1)){
+			/*
+			 * For backward compatibility, 'retry' is
+			 * supported as an alias for 'attempts', though
+			 * without an imposed maximum.
+			 */
+			statp->retry = atoi(cp + sizeof("retry:") - 1);
+#endif	/* SOLARIS2 */
+		} else if (!strncmp(cp, "attempts:", sizeof("attempts:") - 1)){
+			i = atoi(cp + sizeof("attempts:") - 1);
+			if (i <= RES_MAXRETRY)
+				statp->retry = i;
+			else
+				statp->retry = RES_MAXRETRY;
+#ifdef DEBUG
+			if (statp->options & RES_DEBUG)
+				printf(";;\tattempts=%d\n", statp->retry);
+#endif
+		} else if (!strncmp(cp, "debug", sizeof("debug") - 1)) {
+#ifdef DEBUG
+			if (!(statp->options & RES_DEBUG)) {
+				printf(";; res_setoptions(\"%s\", \"%s\")..\n",
+				       options, source);
+				statp->options |= RES_DEBUG;
+			}
+			printf(";;\tdebug\n");
+#endif
+		} else if (!strncmp(cp, "no_tld_query",
+				    sizeof("no_tld_query") - 1) ||
+			   !strncmp(cp, "no-tld-query",
+				    sizeof("no-tld-query") - 1)) {
+			statp->options |= RES_NOTLDQUERY;
+		} else if (!strncmp(cp, "inet6", sizeof("inet6") - 1)) {
+			statp->options |= RES_USE_INET6;
+		} else if (!strncmp(cp, "rotate", sizeof("rotate") - 1)) {
+			statp->options |= RES_ROTATE;
+		} else if (!strncmp(cp, "no-check-names",
+				    sizeof("no-check-names") - 1)) {
+			statp->options |= RES_NOCHECKNAME;
+		}
+#ifdef RES_USE_EDNS0
+		else if (!strncmp(cp, "edns0", sizeof("edns0") - 1)) {
+			statp->options |= RES_USE_EDNS0;
+		}
+#endif
+		else if (!strncmp(cp, "dname", sizeof("dname") - 1)) {
+			statp->options |= RES_USE_DNAME;
+		}
+		else if (!strncmp(cp, "nibble:", sizeof("nibble:") - 1)) {
+			if (ext == NULL)
+				goto skip;
+			cp += sizeof("nibble:") - 1;
+			i = MIN(strcspn(cp, " \t"), sizeof(ext->nsuffix) - 1);
+			strncpy(ext->nsuffix, cp, i);
+			ext->nsuffix[i] = '\0';
+		}
+		else if (!strncmp(cp, "nibble2:", sizeof("nibble2:") - 1)) {
+			if (ext == NULL)
+				goto skip;
+			cp += sizeof("nibble2:") - 1;
+			i = MIN(strcspn(cp, " \t"), sizeof(ext->nsuffix2) - 1);
+			strncpy(ext->nsuffix2, cp, i);
+			ext->nsuffix2[i] = '\0';
+		}
+		else if (!strncmp(cp, "v6revmode:", sizeof("v6revmode:") - 1)) {
+			cp += sizeof("v6revmode:") - 1;
+			/* "nibble" and "bitstring" used to be valid */
+			if (!strncmp(cp, "single", sizeof("single") - 1)) {
+				statp->options |= RES_NO_NIBBLE2;
+			} else if (!strncmp(cp, "both", sizeof("both") - 1)) {
+				statp->options &=
+					 ~RES_NO_NIBBLE2;
+			}
+		}
+		else {
+			/* XXX - print a warning here? */
+		}
+   skip:
+		/* skip to next run of spaces */
+		while (*cp && *cp != ' ' && *cp != '\t')
+			cp++;
+	}
+}
+
+#ifdef RESOLVSORT
+/* XXX - should really support CIDR which means explicit masks always. */
+static u_int32_t
+net_mask(in)		/*!< XXX - should really use system's version of this  */
+	struct in_addr in;
+{
+	register u_int32_t i = ntohl(in.s_addr);
+
+	if (IN_CLASSA(i))
+		return (htonl(IN_CLASSA_NET));
+	else if (IN_CLASSB(i))
+		return (htonl(IN_CLASSB_NET));
+	return (htonl(IN_CLASSC_NET));
+}
+#endif
+
+void
+res_rndinit(res_state statp)
+{
+	struct timeval now;
+	u_int32_t u32;
+	u_int16_t u16;
+
+	gettimeofday(&now, NULL);
+	u32 = now.tv_sec;
+	memcpy(statp->_u._ext._rnd, &u32, 4);
+	u32 = now.tv_usec;
+	memcpy(statp->_u._ext._rnd + 4, &u32, 4);
+	u32 += now.tv_sec;
+	memcpy(statp->_u._ext._rnd + 8, &u32, 4);
+	u16 = getpid();
+	memcpy(statp->_u._ext._rnd + 12, &u16, 2);
+
+}
+
+u_int
+res_nrandomid(res_state statp) {
+	struct timeval now;
+	u_int16_t u16;
+	MD5_CTX ctx;
+
+	gettimeofday(&now, NULL);
+	u16 = (u_int16_t) (now.tv_sec ^ now.tv_usec);
+
+	memcpy(statp->_u._ext._rnd + 14, &u16, 2);
+#ifndef HAVE_MD5
+	MD5_Init(&ctx);
+	MD5_Update(&ctx, statp->_u._ext._rnd, 16);
+	MD5_Final(statp->_u._ext._rnd, &ctx);
+#else
+	MD5Init(&ctx);
+	MD5Update(&ctx, statp->_u._ext._rnd, 16);
+	MD5Final(statp->_u._ext._rnd, &ctx);
+#endif
+	memcpy(&u16, statp->_u._ext._rnd + 14, 2);
+	return ((u_int) u16);
+}
+
+/*%
+ * This routine is for closing the socket if a virtual circuit is used and
+ * the program wants to close it.  This provides support for endhostent()
+ * which expects to close the socket.
+ *
+ * This routine is not expected to be user visible.
+ */
+void
+res_nclose(res_state statp) {
+	int ns;
+
+	if (statp->_vcsock >= 0) { 
+		(void) close(statp->_vcsock);
+		statp->_vcsock = -1;
+		statp->_flags &= ~(RES_F_VC | RES_F_CONN);
+	}
+	for (ns = 0; ns < statp->_u._ext.nscount; ns++) {
+		if (statp->_u._ext.nssocks[ns] != -1) {
+			(void) close(statp->_u._ext.nssocks[ns]);
+			statp->_u._ext.nssocks[ns] = -1;
+		}
+	}
+}
+
+void
+res_ndestroy(res_state statp) {
+	res_nclose(statp);
+	if (statp->_u._ext.ext != NULL)
+		free(statp->_u._ext.ext);
+	statp->options &= ~RES_INIT;
+	statp->_u._ext.ext = NULL;
+}
+
+const char *
+res_get_nibblesuffix(res_state statp) {
+	if (statp->_u._ext.ext)
+		return (statp->_u._ext.ext->nsuffix);
+	return ("ip6.arpa");
+}
+
+const char *
+res_get_nibblesuffix2(res_state statp) {
+	if (statp->_u._ext.ext)
+		return (statp->_u._ext.ext->nsuffix2);
+	return ("ip6.int");
+}
+
+void
+res_setservers(res_state statp, const union res_sockaddr_union *set, int cnt) {
+	int i, nserv;
+	size_t size;
+
+	/* close open servers */
+	res_nclose(statp);
+
+	/* cause rtt times to be forgotten */
+	statp->_u._ext.nscount = 0;
+
+	nserv = 0;
+	for (i = 0; i < cnt && nserv < MAXNS; i++) {
+		switch (set->sin.sin_family) {
+		case AF_INET:
+			size = sizeof(set->sin);
+			if (statp->_u._ext.ext)
+				memcpy(&statp->_u._ext.ext->nsaddrs[nserv],
+					&set->sin, size);
+			if (size <= sizeof(statp->nsaddr_list[nserv]))
+				memcpy(&statp->nsaddr_list[nserv],
+					&set->sin, size);
+			else
+				statp->nsaddr_list[nserv].sin_family = 0;
+			nserv++;
+			break;
+
+#ifdef HAS_INET6_STRUCTS
+		case AF_INET6:
+			size = sizeof(set->sin6);
+			if (statp->_u._ext.ext)
+				memcpy(&statp->_u._ext.ext->nsaddrs[nserv],
+					&set->sin6, size);
+			if (size <= sizeof(statp->nsaddr_list[nserv]))
+				memcpy(&statp->nsaddr_list[nserv],
+					&set->sin6, size);
+			else
+				statp->nsaddr_list[nserv].sin_family = 0;
+			nserv++;
+			break;
+#endif
+
+		default:
+			break;
+		}
+		set++;
+	}
+	statp->nscount = nserv;
+	
+}
+
+int
+res_getservers(res_state statp, union res_sockaddr_union *set, int cnt) {
+	int i;
+	size_t size;
+	u_int16_t family;
+
+	for (i = 0; i < statp->nscount && i < cnt; i++) {
+		if (statp->_u._ext.ext)
+			family = statp->_u._ext.ext->nsaddrs[i].sin.sin_family;
+		else 
+			family = statp->nsaddr_list[i].sin_family;
+
+		switch (family) {
+		case AF_INET:
+			size = sizeof(set->sin);
+			if (statp->_u._ext.ext)
+				memcpy(&set->sin,
+				       &statp->_u._ext.ext->nsaddrs[i],
+				       size);
+			else
+				memcpy(&set->sin, &statp->nsaddr_list[i],
+				       size);
+			break;
+
+#ifdef HAS_INET6_STRUCTS
+		case AF_INET6:
+			size = sizeof(set->sin6);
+			if (statp->_u._ext.ext)
+				memcpy(&set->sin6,
+				       &statp->_u._ext.ext->nsaddrs[i],
+				       size);
+			else
+				memcpy(&set->sin6, &statp->nsaddr_list[i],
+				       size);
+			break;
+#endif
+
+		default:
+			set->sin.sin_family = 0;
+			break;
+		}
+		set++;
+	}
+	return (statp->nscount);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/res_mkquery.c b/usr/src/lib/libresolv2_joy/common/resolv/res_mkquery.c
new file mode 100644
index 0000000000..cf36855e9d
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/res_mkquery.c
@@ -0,0 +1,386 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+/*
+ * Portions Copyright (C) 2004, 2005, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 1996, 1997, 1988, 1999, 2001, 2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Copyright (c) 1985, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)res_mkquery.c	8.1 (Berkeley) 6/4/93";
+static const char rcsid[] = "$Id: res_mkquery.c,v 1.10 2008/12/11 09:59:00 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include "port_before.h"
+#include <sys/types.h>
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+
+#ifdef SUNW_CONFCHECK
+#include <sys/socket.h>
+#include <errno.h>
+#include <sys/stat.h>
+#endif /* SUNW_CONFCHECK */
+
+
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <string.h>
+#include "port_after.h"
+
+/* Options.  Leave them on. */
+#define DEBUG
+
+extern const char *_res_opcodes[];
+
+#ifdef SUNW_CONFCHECK
+static int      _confcheck(res_state statp);
+#endif /* SUNW_CONFCHECK */
+
+
+/*%
+ * Form all types of queries.
+ * Returns the size of the result or -1.
+ */
+int
+res_nmkquery(res_state statp,
+	     int op,			/*!< opcode of query  */
+	     const char *dname,		/*!< domain name  */
+	     int class, int type,	/*!< class and type of query  */
+	     const u_char *data,	/*!< resource record data  */
+	     int datalen,		/*!< length of data  */
+	     const u_char *newrr_in,	/*!< new rr for modify or append  */
+	     u_char *buf,		/*!< buffer to put query  */
+	     int buflen)		/*!< size of buffer  */
+{
+	register HEADER *hp;
+	register u_char *cp, *ep;
+	register int n;
+	u_char *dnptrs[20], **dpp, **lastdnptr;
+
+	UNUSED(newrr_in);
+
+#ifdef DEBUG
+	if (statp->options & RES_DEBUG)
+		printf(";; res_nmkquery(%s, %s, %s, %s)\n",
+		       _res_opcodes[op], dname, p_class(class), p_type(type));
+#endif
+
+#ifdef SUNW_CONFCHECK
+        /*
+         * 1247019, 1265838, and 4034368: Check to see if we can
+         * bailout quickly.
+         */
+        if (_confcheck(statp) == -1) {
+                RES_SET_H_ERRNO(statp, NO_RECOVERY);
+                return(-1);
+        }
+#endif /* SUNW_CONFCHECK */
+
+	/*
+	 * Initialize header fields.
+	 */
+	if ((buf == NULL) || (buflen < HFIXEDSZ))
+		return (-1);
+	memset(buf, 0, HFIXEDSZ);
+	hp = (HEADER *) buf;
+	statp->id = res_nrandomid(statp);
+	hp->id = htons(statp->id);
+	hp->opcode = op;
+	hp->rd = (statp->options & RES_RECURSE) != 0U;
+	hp->rcode = NOERROR;
+	cp = buf + HFIXEDSZ;
+	ep = buf + buflen;
+	dpp = dnptrs;
+	*dpp++ = buf;
+	*dpp++ = NULL;
+	lastdnptr = dnptrs + sizeof dnptrs / sizeof dnptrs[0];
+	/*
+	 * perform opcode specific processing
+	 */
+	switch (op) {
+	case QUERY:	/*FALLTHROUGH*/
+	case NS_NOTIFY_OP:
+		if (ep - cp < QFIXEDSZ)
+			return (-1);
+		if ((n = dn_comp(dname, cp, ep - cp - QFIXEDSZ, dnptrs,
+		    lastdnptr)) < 0)
+			return (-1);
+		cp += n;
+		ns_put16(type, cp);
+		cp += INT16SZ;
+		ns_put16(class, cp);
+		cp += INT16SZ;
+		hp->qdcount = htons(1);
+		if (op == QUERY || data == NULL)
+			break;
+		/*
+		 * Make an additional record for completion domain.
+		 */
+		if ((ep - cp) < RRFIXEDSZ)
+			return (-1);
+		n = dn_comp((const char *)data, cp, ep - cp - RRFIXEDSZ,
+			    dnptrs, lastdnptr);
+		if (n < 0)
+			return (-1);
+		cp += n;
+		ns_put16(T_NULL, cp);
+		cp += INT16SZ;
+		ns_put16(class, cp);
+		cp += INT16SZ;
+		ns_put32(0, cp);
+		cp += INT32SZ;
+		ns_put16(0, cp);
+		cp += INT16SZ;
+		hp->arcount = htons(1);
+		break;
+
+	case IQUERY:
+		/*
+		 * Initialize answer section
+		 */
+		if (ep - cp < 1 + RRFIXEDSZ + datalen)
+			return (-1);
+		*cp++ = '\0';	/*%< no domain name */
+		ns_put16(type, cp);
+		cp += INT16SZ;
+		ns_put16(class, cp);
+		cp += INT16SZ;
+		ns_put32(0, cp);
+		cp += INT32SZ;
+		ns_put16(datalen, cp);
+		cp += INT16SZ;
+		if (datalen) {
+			memcpy(cp, data, datalen);
+			cp += datalen;
+		}
+		hp->ancount = htons(1);
+		break;
+
+	default:
+		return (-1);
+	}
+	return (cp - buf);
+}
+
+#ifdef RES_USE_EDNS0
+/* attach OPT pseudo-RR, as documented in RFC2671 (EDNS0). */
+
+int
+res_nopt(res_state statp,
+	 int n0,		/*%< current offset in buffer */
+	 u_char *buf,		/*%< buffer to put query */
+	 int buflen,		/*%< size of buffer */
+	 int anslen)		/*%< UDP answer buffer size */
+{
+	register HEADER *hp;
+	register u_char *cp, *ep;
+	u_int16_t flags = 0;
+
+#ifdef DEBUG
+	if ((statp->options & RES_DEBUG) != 0U)
+		printf(";; res_nopt()\n");
+#endif
+
+	hp = (HEADER *) buf;
+	cp = buf + n0;
+	ep = buf + buflen;
+
+	if ((ep - cp) < 1 + RRFIXEDSZ)
+		return (-1);
+
+	*cp++ = 0;				/*%< "." */
+	ns_put16(ns_t_opt, cp);			/*%< TYPE */
+	cp += INT16SZ;
+	ns_put16(anslen & 0xffff, cp);		/*%< CLASS = UDP payload size */
+	cp += INT16SZ;
+	*cp++ = NOERROR;			/*%< extended RCODE */
+	*cp++ = 0;				/*%< EDNS version */
+
+	if (statp->options & RES_USE_DNSSEC) {
+#ifdef DEBUG
+		if (statp->options & RES_DEBUG)
+			printf(";; res_opt()... ENDS0 DNSSEC\n");
+#endif
+		flags |= NS_OPT_DNSSEC_OK;
+	}
+	ns_put16(flags, cp);
+	cp += INT16SZ;
+
+	ns_put16(0U, cp);			/*%< RDLEN */
+	cp += INT16SZ;
+
+	hp->arcount = htons(ntohs(hp->arcount) + 1);
+
+	return (cp - buf);
+}
+
+/*
+ * Construct variable data (RDATA) block for OPT psuedo-RR, append it
+ * to the buffer, then update the RDLEN field (previously set to zero by
+ * res_nopt()) with the new RDATA length.
+ */
+int
+res_nopt_rdata(res_state statp,
+	  int n0,	 	/*%< current offset in buffer */
+	  u_char *buf,	 	/*%< buffer to put query */
+	  int buflen,		/*%< size of buffer */
+	  u_char *rdata,	/*%< ptr to start of opt rdata */
+	  u_short code,		/*%< OPTION-CODE */
+	  u_short len,		/*%< OPTION-LENGTH */
+	  u_char *data)		/*%< OPTION_DATA */
+{
+	register u_char *cp, *ep;
+
+#ifdef DEBUG
+	if ((statp->options & RES_DEBUG) != 0U)
+		printf(";; res_nopt_rdata()\n");
+#endif
+
+	cp = buf + n0;
+	ep = buf + buflen;
+
+	if ((ep - cp) < (4 + len))
+		return (-1);
+
+	if (rdata < (buf + 2) || rdata >= ep)
+		return (-1);
+
+	ns_put16(code, cp);
+	cp += INT16SZ;
+
+	ns_put16(len, cp);
+	cp += INT16SZ;
+
+	memcpy(cp, data, len);
+	cp += len;
+
+	len = cp - rdata;
+	ns_put16(len, rdata - 2);	/* Update RDLEN field */
+
+	return (cp - buf);
+}
+#endif
+
+#ifdef SUNW_CONFCHECK
+
+/*
+ * Time out quickly if there is no /etc/resolv.conf and a TCP connection 
+ * to the local DNS server fails.
+ */
+static int _confcheck(res_state statp)
+{
+        int ns;
+        struct stat rc_stat;
+        struct sockaddr_in ns_sin;
+
+        /* First, we check to see if /etc/resolv.conf exists.
+         * If it doesn't, then it is likely that the localhost is
+         * the nameserver.
+         */
+        if (stat(_PATH_RESCONF, &rc_stat) == -1 && errno == ENOENT) {
+
+                /* Next, we check to see if _res.nsaddr is set to loopback.
+                 * If it isn't, it has been altered by the application
+                 * explicitly and we then want to bail with success.
+                 */
+                if (statp->nsaddr.sin_addr.S_un.S_addr ==
+				htonl(INADDR_LOOPBACK)) {
+
+                        /* Lastly, we try to connect to the TCP port of the
+                         * nameserver.  If this fails, then we know that
+                         * DNS is misconfigured and we can quickly exit.
+                         */
+                        ns = socket(AF_INET, SOCK_STREAM, 0);
+                        IN_SET_LOOPBACK_ADDR(&ns_sin);
+                        ns_sin.sin_port = htons(NAMESERVER_PORT);
+                        if (connect(ns, (struct sockaddr *) &ns_sin,
+                                    sizeof ns_sin) == -1) {
+                                close(ns);
+                                return(-1);
+                        }
+                        else {
+                                close(ns);
+
+                                return(0);
+                        }
+                }
+
+                return(0);
+        }
+
+        return (0);
+}
+#endif /* SUNW_CONFCHECK */
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/res_mkupdate.c b/usr/src/lib/libresolv2_joy/common/resolv/res_mkupdate.c
new file mode 100644
index 0000000000..8f73e281d0
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/res_mkupdate.c
@@ -0,0 +1,1163 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*! \file
+ * \brief
+ * Based on the Dynamic DNS reference implementation by Viraj Bais
+ * &lt;viraj_bais@ccm.fm.intel.com>
+ */
+
+#if !defined(lint) && !defined(SABER)
+static const char rcsid[] = "$Id: res_mkupdate.c,v 1.10 2008/12/11 09:59:00 marka Exp $";
+#endif /* not lint */
+
+#include "port_before.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+
+#include <errno.h>
+#include <limits.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <res_update.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <ctype.h>
+
+#include "port_after.h"
+
+/* Options.  Leave them on. */
+#define DEBUG
+#define MAXPORT 1024
+
+static int getnum_str(u_char **, u_char *);
+static int gethexnum_str(u_char **, u_char *);
+static int getword_str(char *, int, u_char **, u_char *);
+static int getstr_str(char *, int, u_char **, u_char *);
+
+#define ShrinkBuffer(x)  if ((buflen -= x) < 0) return (-2);
+
+/* Forward. */
+
+int res_protocolnumber(const char *);
+int res_servicenumber(const char *);
+
+/*%
+ * Form update packets.
+ * Returns the size of the resulting packet if no error
+ *
+ * On error,
+ *	returns 
+ *\li              -1 if error in reading a word/number in rdata
+ *		   portion for update packets
+ *\li		-2 if length of buffer passed is insufficient
+ *\li		-3 if zone section is not the first section in
+ *		   the linked list, or section order has a problem
+ *\li		-4 on a number overflow
+ *\li		-5 unknown operation or no records
+ */
+int
+res_nmkupdate(res_state statp, ns_updrec *rrecp_in, u_char *buf, int buflen) {
+	ns_updrec *rrecp_start = rrecp_in;
+	HEADER *hp;
+	u_char *cp, *sp2, *startp, *endp;
+	int n, i, soanum, multiline;
+	ns_updrec *rrecp;
+	struct in_addr ina;
+	struct in6_addr in6a;
+        char buf2[MAXDNAME];
+	u_char buf3[MAXDNAME];
+	int section, numrrs = 0, counts[ns_s_max];
+	u_int16_t rtype, rclass;
+	u_int32_t n1, rttl;
+	u_char *dnptrs[20], **dpp, **lastdnptr;
+	int siglen, keylen, certlen;
+
+	/*
+	 * Initialize header fields.
+	 */
+	if ((buf == NULL) || (buflen < HFIXEDSZ))
+		return (-1);
+	memset(buf, 0, HFIXEDSZ);
+	hp = (HEADER *) buf;
+	statp->id = res_nrandomid(statp);
+	hp->id = htons(statp->id);
+	hp->opcode = ns_o_update;
+	hp->rcode = NOERROR;
+	cp = buf + HFIXEDSZ;
+	buflen -= HFIXEDSZ;
+	dpp = dnptrs;
+	*dpp++ = buf;
+	*dpp++ = NULL;
+	lastdnptr = dnptrs + sizeof dnptrs / sizeof dnptrs[0];
+
+	if (rrecp_start == NULL)
+		return (-5);
+	else if (rrecp_start->r_section != S_ZONE)
+		return (-3);
+
+	memset(counts, 0, sizeof counts);
+	for (rrecp = rrecp_start; rrecp; rrecp = NEXT(rrecp, r_glink)) {
+		numrrs++;
+                section = rrecp->r_section;
+		if (section < 0 || section >= ns_s_max)
+			return (-1);
+		counts[section]++;
+		for (i = section + 1; i < ns_s_max; i++)
+			if (counts[i])
+				return (-3);
+		rtype = rrecp->r_type;
+		rclass = rrecp->r_class;
+		rttl = rrecp->r_ttl;
+		/* overload class and type */
+		if (section == S_PREREQ) {
+			rttl = 0;
+			switch (rrecp->r_opcode) {
+			case YXDOMAIN:
+				rclass = C_ANY;
+				rtype = T_ANY;
+				rrecp->r_size = 0;
+				break;
+			case NXDOMAIN:
+				rclass = C_NONE;
+				rtype = T_ANY;
+				rrecp->r_size = 0;
+				break;
+			case NXRRSET:
+				rclass = C_NONE;
+				rrecp->r_size = 0;
+				break;
+			case YXRRSET:
+				if (rrecp->r_size == 0)
+					rclass = C_ANY;
+				break;
+			default:
+				fprintf(stderr,
+					"res_mkupdate: incorrect opcode: %d\n",
+					rrecp->r_opcode);
+				fflush(stderr);
+				return (-1);
+			}
+		} else if (section == S_UPDATE) {
+			switch (rrecp->r_opcode) {
+			case DELETE:
+				rclass = rrecp->r_size == 0 ? C_ANY : C_NONE;
+				break;
+			case ADD:
+				break;
+			default:
+				fprintf(stderr,
+					"res_mkupdate: incorrect opcode: %d\n",
+					rrecp->r_opcode);
+				fflush(stderr);
+				return (-1);
+			}
+		}
+
+		/*
+		 * XXX	appending default domain to owner name is omitted,
+		 *	fqdn must be provided
+		 */
+		if ((n = dn_comp(rrecp->r_dname, cp, buflen, dnptrs,
+				 lastdnptr)) < 0)
+			return (-1);
+		cp += n;
+		ShrinkBuffer(n + 2*INT16SZ);
+		PUTSHORT(rtype, cp);
+		PUTSHORT(rclass, cp);
+		if (section == S_ZONE) {
+			if (numrrs != 1 || rrecp->r_type != T_SOA)
+				return (-3);
+			continue;
+		}
+		ShrinkBuffer(INT32SZ + INT16SZ);
+		PUTLONG(rttl, cp);
+		sp2 = cp;  /*%< save pointer to length byte */
+		cp += INT16SZ;
+		if (rrecp->r_size == 0) {
+			if (section == S_UPDATE && rclass != C_ANY)
+				return (-1);
+			else {
+				PUTSHORT(0, sp2);
+				continue;
+			}
+		}
+		startp = rrecp->r_data;
+		endp = startp + rrecp->r_size - 1;
+		/* XXX this should be done centrally. */
+		switch (rrecp->r_type) {
+		case T_A:
+			if (!getword_str(buf2, sizeof buf2, &startp, endp))
+				return (-1);
+			if (!inet_aton(buf2, &ina))
+				return (-1);
+			n1 = ntohl(ina.s_addr);
+			ShrinkBuffer(INT32SZ);
+			PUTLONG(n1, cp);
+			break;
+		case T_CNAME:
+		case T_MB:
+		case T_MG:
+		case T_MR:
+		case T_NS:
+		case T_PTR:
+		case ns_t_dname:
+			if (!getword_str(buf2, sizeof buf2, &startp, endp))
+				return (-1);
+			n = dn_comp(buf2, cp, buflen, dnptrs, lastdnptr);
+			if (n < 0)
+				return (-1);
+			cp += n;
+			ShrinkBuffer(n);
+			break;
+		case T_MINFO:
+		case T_SOA:
+		case T_RP:
+			for (i = 0; i < 2; i++) {
+				if (!getword_str(buf2, sizeof buf2, &startp,
+						 endp))
+				return (-1);
+				n = dn_comp(buf2, cp, buflen,
+					    dnptrs, lastdnptr);
+				if (n < 0)
+					return (-1);
+				cp += n;
+				ShrinkBuffer(n);
+			}
+			if (rrecp->r_type == T_SOA) {
+				ShrinkBuffer(5 * INT32SZ);
+				while (isspace(*startp) || !*startp)
+					startp++;
+				if (*startp == '(') {
+					multiline = 1;
+					startp++;
+				} else
+					multiline = 0;
+				/* serial, refresh, retry, expire, minimum */
+				for (i = 0; i < 5; i++) {
+					soanum = getnum_str(&startp, endp);
+					if (soanum < 0)
+						return (-1);
+					PUTLONG(soanum, cp);
+				}
+				if (multiline) {
+					while (isspace(*startp) || !*startp)
+						startp++;
+					if (*startp != ')')
+						return (-1);
+				}
+			}
+			break;
+		case T_MX:
+		case T_AFSDB:
+		case T_RT:
+			n = getnum_str(&startp, endp);
+			if (n < 0)
+				return (-1);
+			ShrinkBuffer(INT16SZ);
+			PUTSHORT(n, cp);
+			if (!getword_str(buf2, sizeof buf2, &startp, endp))
+				return (-1);
+			n = dn_comp(buf2, cp, buflen, dnptrs, lastdnptr);
+			if (n < 0)
+				return (-1);
+			cp += n;
+			ShrinkBuffer(n);
+			break;
+		case T_SRV:
+			n = getnum_str(&startp, endp);
+			if (n < 0)
+				return (-1);
+			ShrinkBuffer(INT16SZ);
+			PUTSHORT(n, cp);
+
+			n = getnum_str(&startp, endp);
+			if (n < 0)
+				return (-1);
+			ShrinkBuffer(INT16SZ);
+			PUTSHORT(n, cp);
+
+			n = getnum_str(&startp, endp);
+			if (n < 0)
+				return (-1);
+			ShrinkBuffer(INT16SZ);
+			PUTSHORT(n, cp);
+
+			if (!getword_str(buf2, sizeof buf2, &startp, endp))
+				return (-1);
+			n = dn_comp(buf2, cp, buflen, NULL, NULL);
+			if (n < 0)
+				return (-1);
+			cp += n;
+			ShrinkBuffer(n);
+			break;
+		case T_PX:
+			n = getnum_str(&startp, endp);
+			if (n < 0)
+				return (-1);
+			PUTSHORT(n, cp);
+			ShrinkBuffer(INT16SZ);
+			for (i = 0; i < 2; i++) {
+				if (!getword_str(buf2, sizeof buf2, &startp,
+						 endp))
+					return (-1);
+				n = dn_comp(buf2, cp, buflen, dnptrs,
+					    lastdnptr);
+				if (n < 0)
+					return (-1);
+				cp += n;
+				ShrinkBuffer(n);
+			}
+			break;
+		case T_WKS: {
+			char bm[MAXPORT/8];
+			unsigned int maxbm = 0;
+
+			if (!getword_str(buf2, sizeof buf2, &startp, endp))
+				return (-1);
+			if (!inet_aton(buf2, &ina))
+				return (-1);
+			n1 = ntohl(ina.s_addr);
+			ShrinkBuffer(INT32SZ);
+			PUTLONG(n1, cp);
+
+			if (!getword_str(buf2, sizeof buf2, &startp, endp))
+				return (-1);
+			if ((i = res_protocolnumber(buf2)) < 0)
+				return (-1);
+			ShrinkBuffer(1);
+			*cp++ = i & 0xff;
+			 
+			for (i = 0; i < MAXPORT/8 ; i++)
+				bm[i] = 0;
+
+			while (getword_str(buf2, sizeof buf2, &startp, endp)) {
+				if ((n = res_servicenumber(buf2)) <= 0)
+					return (-1);
+
+				if (n < MAXPORT) {
+					bm[n/8] |= (0x80>>(n%8));
+					if ((unsigned)n > maxbm)
+						maxbm = n;
+				} else
+					return (-1);
+			}
+			maxbm = maxbm/8 + 1;
+			ShrinkBuffer(maxbm);
+			memcpy(cp, bm, maxbm);
+			cp += maxbm;
+			break;
+		}
+		case T_HINFO:
+			for (i = 0; i < 2; i++) {
+				if ((n = getstr_str(buf2, sizeof buf2,
+						&startp, endp)) < 0)
+					return (-1);
+				if (n > 255)
+					return (-1);
+				ShrinkBuffer(n+1);
+				*cp++ = n;
+				memcpy(cp, buf2, n);
+				cp += n;
+			}
+			break;
+		case T_TXT:
+			for (;;) {
+				if ((n = getstr_str(buf2, sizeof buf2,
+						&startp, endp)) < 0) {
+					if (cp != (sp2 + INT16SZ))
+						break;
+					return (-1);
+				}
+				if (n > 255)
+					return (-1);
+				ShrinkBuffer(n+1);
+				*cp++ = n;
+				memcpy(cp, buf2, n);
+				cp += n;
+			}
+			break;
+		case T_X25:
+			/* RFC1183 */
+			if ((n = getstr_str(buf2, sizeof buf2, &startp,
+					 endp)) < 0)
+				return (-1);
+			if (n > 255)
+				return (-1);
+			ShrinkBuffer(n+1);
+			*cp++ = n;
+			memcpy(cp, buf2, n);
+			cp += n;
+			break;
+		case T_ISDN:
+			/* RFC1183 */
+			if ((n = getstr_str(buf2, sizeof buf2, &startp,
+					 endp)) < 0)
+				return (-1);
+			if ((n > 255) || (n == 0))
+				return (-1);
+			ShrinkBuffer(n+1);
+			*cp++ = n;
+			memcpy(cp, buf2, n);
+			cp += n;
+			if ((n = getstr_str(buf2, sizeof buf2, &startp,
+					 endp)) < 0)
+				n = 0;
+			if (n > 255)
+				return (-1);
+			ShrinkBuffer(n+1);
+			*cp++ = n;
+			memcpy(cp, buf2, n);
+			cp += n;
+			break;
+		case T_NSAP:
+			if ((n = inet_nsap_addr((char *)startp, (u_char *)buf2, sizeof(buf2))) != 0) {
+				ShrinkBuffer(n);
+				memcpy(cp, buf2, n);
+				cp += n;
+			} else {
+				return (-1);
+			}
+			break;
+		case T_LOC:
+			if ((n = loc_aton((char *)startp, (u_char *)buf2)) != 0) {
+				ShrinkBuffer(n);
+				memcpy(cp, buf2, n);
+				cp += n;
+			} else
+				return (-1);
+			break;
+		case ns_t_sig:
+		    {
+			int sig_type, success, dateerror;
+			u_int32_t exptime, timesigned;
+
+			/* type */
+			if ((n = getword_str(buf2, sizeof buf2,
+					     &startp, endp)) < 0)
+				return (-1);
+			sig_type = sym_ston(__p_type_syms, buf2, &success);
+			if (!success || sig_type == ns_t_any)
+				return (-1);
+			ShrinkBuffer(INT16SZ);
+			PUTSHORT(sig_type, cp);
+			/* alg */
+			n = getnum_str(&startp, endp);
+			if (n < 0)
+				return (-1);
+			ShrinkBuffer(1);
+			*cp++ = n;
+			/* labels */
+			n = getnum_str(&startp, endp);
+			if (n <= 0 || n > 255)
+				return (-1);
+			ShrinkBuffer(1);
+			*cp++ = n;
+			/* ottl  & expire */
+			if (!getword_str(buf2, sizeof buf2, &startp, endp))
+				return (-1);
+			exptime = ns_datetosecs(buf2, &dateerror);
+			if (!dateerror) {
+				ShrinkBuffer(INT32SZ);
+				PUTLONG(rttl, cp);
+			}
+			else {
+				char *ulendp;
+				u_int32_t ottl;
+
+				errno = 0;
+				ottl = strtoul(buf2, &ulendp, 10);
+				if (errno != 0 ||
+				    (ulendp != NULL && *ulendp != '\0'))
+					return (-1);
+				ShrinkBuffer(INT32SZ);
+				PUTLONG(ottl, cp);
+				if (!getword_str(buf2, sizeof buf2, &startp,
+						 endp))
+					return (-1);
+				exptime = ns_datetosecs(buf2, &dateerror);
+				if (dateerror)
+					return (-1);
+			}
+			/* expire */
+			ShrinkBuffer(INT32SZ);
+			PUTLONG(exptime, cp);
+			/* timesigned */
+			if (!getword_str(buf2, sizeof buf2, &startp, endp))
+				return (-1);
+			timesigned = ns_datetosecs(buf2, &dateerror);
+			if (!dateerror) {
+				ShrinkBuffer(INT32SZ);
+				PUTLONG(timesigned, cp);
+			}
+			else
+				return (-1);
+			/* footprint */
+			n = getnum_str(&startp, endp);
+			if (n < 0)
+				return (-1);
+			ShrinkBuffer(INT16SZ);
+			PUTSHORT(n, cp);
+			/* signer name */
+			if (!getword_str(buf2, sizeof buf2, &startp, endp))
+				return (-1);
+			n = dn_comp(buf2, cp, buflen, dnptrs, lastdnptr);
+			if (n < 0)
+				return (-1);
+			cp += n;
+			ShrinkBuffer(n);
+			/* sig */
+			if ((n = getword_str(buf2, sizeof buf2,
+					     &startp, endp)) < 0)
+				return (-1);
+			siglen = b64_pton(buf2, buf3, sizeof(buf3));
+			if (siglen < 0)
+				return (-1);
+			ShrinkBuffer(siglen);
+			memcpy(cp, buf3, siglen);
+			cp += siglen;
+			break;
+		    }
+		case ns_t_key:
+			/* flags */
+			n = gethexnum_str(&startp, endp);
+			if (n < 0)
+				return (-1);
+			ShrinkBuffer(INT16SZ);
+			PUTSHORT(n, cp);
+			/* proto */
+			n = getnum_str(&startp, endp);
+			if (n < 0)
+				return (-1);
+			ShrinkBuffer(1);
+			*cp++ = n;
+			/* alg */
+			n = getnum_str(&startp, endp);
+			if (n < 0)
+				return (-1);
+			ShrinkBuffer(1);
+			*cp++ = n;
+			/* key */
+			if ((n = getword_str(buf2, sizeof buf2,
+					     &startp, endp)) < 0)
+				return (-1);
+			keylen = b64_pton(buf2, buf3, sizeof(buf3));
+			if (keylen < 0)
+				return (-1);
+			ShrinkBuffer(keylen);
+			memcpy(cp, buf3, keylen);
+			cp += keylen;
+			break;
+		case ns_t_nxt:
+		    {
+			int success, nxt_type;
+			u_char data[32];
+			int maxtype;
+
+			/* next name */
+			if (!getword_str(buf2, sizeof buf2, &startp, endp))
+				return (-1);
+			n = dn_comp(buf2, cp, buflen, NULL, NULL);
+			if (n < 0)
+				return (-1);
+			cp += n;
+			ShrinkBuffer(n);
+			maxtype = 0;
+			memset(data, 0, sizeof data);
+			for (;;) {
+				if (!getword_str(buf2, sizeof buf2, &startp,
+						 endp))
+					break;
+				nxt_type = sym_ston(__p_type_syms, buf2,
+						    &success);
+				if (!success || !ns_t_rr_p(nxt_type))
+					return (-1);
+				NS_NXT_BIT_SET(nxt_type, data);
+				if (nxt_type > maxtype)
+					maxtype = nxt_type;
+			}
+			n = maxtype/NS_NXT_BITS+1;
+			ShrinkBuffer(n);
+			memcpy(cp, data, n);
+			cp += n;
+			break;
+		    }
+		case ns_t_cert:
+			/* type */
+			n = getnum_str(&startp, endp);
+			if (n < 0)
+				return (-1);
+			ShrinkBuffer(INT16SZ);
+			PUTSHORT(n, cp);
+			/* key tag */
+			n = getnum_str(&startp, endp);
+			if (n < 0)
+				return (-1);
+			ShrinkBuffer(INT16SZ);
+			PUTSHORT(n, cp);
+			/* alg */
+			n = getnum_str(&startp, endp);
+			if (n < 0)
+				return (-1);
+			ShrinkBuffer(1);
+			*cp++ = n;
+			/* cert */
+			if ((n = getword_str(buf2, sizeof buf2,
+					     &startp, endp)) < 0)
+				return (-1);
+			certlen = b64_pton(buf2, buf3, sizeof(buf3));
+			if (certlen < 0)
+				return (-1);
+			ShrinkBuffer(certlen);
+			memcpy(cp, buf3, certlen);
+			cp += certlen;
+			break;
+		case ns_t_aaaa:
+			if (!getword_str(buf2, sizeof buf2, &startp, endp))
+				return (-1);
+			if (inet_pton(AF_INET6, buf2, &in6a) <= 0)
+				return (-1);
+			ShrinkBuffer(NS_IN6ADDRSZ);
+			memcpy(cp, &in6a, NS_IN6ADDRSZ);
+			cp += NS_IN6ADDRSZ;
+			break;
+		case ns_t_naptr:
+			/* Order Preference Flags Service Replacement Regexp */
+			/* Order */
+			n = getnum_str(&startp, endp);
+			if (n < 0 || n > 65535)
+				return (-1);
+			ShrinkBuffer(INT16SZ);
+			PUTSHORT(n, cp);
+			/* Preference */
+			n = getnum_str(&startp, endp);
+			if (n < 0 || n > 65535)
+				return (-1);
+			ShrinkBuffer(INT16SZ);
+			PUTSHORT(n, cp);
+			/* Flags */
+			if ((n = getstr_str(buf2, sizeof buf2,
+					&startp, endp)) < 0) {
+				return (-1);
+			}
+			if (n > 255)
+				return (-1);
+			ShrinkBuffer(n+1);
+			*cp++ = n;
+			memcpy(cp, buf2, n);
+			cp += n;
+			/* Service Classes */
+			if ((n = getstr_str(buf2, sizeof buf2,
+					&startp, endp)) < 0) {
+				return (-1);
+			}
+			if (n > 255)
+				return (-1);
+			ShrinkBuffer(n+1);
+			*cp++ = n;
+			memcpy(cp, buf2, n);
+			cp += n;
+			/* Pattern */
+			if ((n = getstr_str(buf2, sizeof buf2,
+					&startp, endp)) < 0) {
+				return (-1);
+			}
+			if (n > 255)
+				return (-1);
+			ShrinkBuffer(n+1);
+			*cp++ = n;
+			memcpy(cp, buf2, n);
+			cp += n;
+			/* Replacement */
+			if (!getword_str(buf2, sizeof buf2, &startp, endp))
+				return (-1);
+			n = dn_comp(buf2, cp, buflen, NULL, NULL);
+			if (n < 0)
+				return (-1);
+			cp += n;
+			ShrinkBuffer(n);
+			break;
+		default:
+			return (-1);
+		} /*switch*/
+		n = (u_int16_t)((cp - sp2) - INT16SZ);
+		PUTSHORT(n, sp2);
+	} /*for*/
+		
+	hp->qdcount = htons(counts[0]);
+	hp->ancount = htons(counts[1]);
+	hp->nscount = htons(counts[2]);
+	hp->arcount = htons(counts[3]);
+	return (cp - buf);
+}
+
+/*%
+ * Get a whitespace delimited word from a string (not file)
+ * into buf. modify the start pointer to point after the
+ * word in the string.
+ */
+static int
+getword_str(char *buf, int size, u_char **startpp, u_char *endp) {
+        char *cp;
+        int c;
+ 
+        for (cp = buf; *startpp <= endp; ) {
+                c = **startpp;
+                if (isspace(c) || c == '\0') {
+                        if (cp != buf) /*%< trailing whitespace */
+                                break;
+                        else { /*%< leading whitespace */
+                                (*startpp)++;
+                                continue;
+                        }
+                }
+                (*startpp)++;
+                if (cp >= buf+size-1)
+                        break;
+                *cp++ = (u_char)c;
+        }
+        *cp = '\0';
+        return (cp != buf);
+}
+
+/*%
+ * get a white spae delimited string from memory.  Process quoted strings
+ * and \\DDD escapes.  Return length or -1 on error.  Returned string may
+ * contain nulls.
+ */
+static char digits[] = "0123456789";
+static int
+getstr_str(char *buf, int size, u_char **startpp, u_char *endp) {
+        char *cp;
+        int c, c1 = 0;
+	int inquote = 0;
+	int seen_quote = 0;
+	int escape = 0;
+	int dig = 0;
+ 
+	for (cp = buf; *startpp <= endp; ) {
+                if ((c = **startpp) == '\0')
+			break;
+		/* leading white space */
+		if ((cp == buf) && !seen_quote && isspace(c)) {
+			(*startpp)++;
+			continue;
+		}
+
+		switch (c) {
+		case '\\':
+			if (!escape)  {
+				escape = 1;
+				dig = 0;
+				c1 = 0;
+				(*startpp)++;
+				continue;
+			} 
+			goto do_escape;
+		case '"':
+			if (!escape) {
+				inquote = !inquote;
+				seen_quote = 1;
+				(*startpp)++;
+				continue;
+			}
+			/* fall through */
+		default:
+		do_escape:
+			if (escape) {
+				switch (c) {
+				case '0':
+				case '1':
+				case '2':
+				case '3':
+				case '4':
+				case '5':
+				case '6':
+				case '7':
+				case '8':
+				case '9':
+					c1 = c1 * 10 + 
+						(strchr(digits, c) - digits);
+
+					if (++dig == 3) {
+						c = c1 &0xff;
+						break;
+					}
+					(*startpp)++;
+					continue;
+				}
+				escape = 0;
+			} else if (!inquote && isspace(c))
+				goto done;
+			if (cp >= buf+size-1)
+				goto done;
+			*cp++ = (u_char)c;
+			(*startpp)++;
+		}
+	}
+ done:
+	*cp = '\0';
+	return ((cp == buf)?  (seen_quote? 0: -1): (cp - buf));
+}
+
+/*%
+ * Get a whitespace delimited base 16 number from a string (not file) into buf
+ * update the start pointer to point after the number in the string.
+ */
+static int
+gethexnum_str(u_char **startpp, u_char *endp) {
+        int c, n;
+        int seendigit = 0;
+        int m = 0;
+
+	if (*startpp + 2 >= endp || strncasecmp((char *)*startpp, "0x", 2) != 0)
+		return getnum_str(startpp, endp);
+	(*startpp)+=2;
+        for (n = 0; *startpp <= endp; ) {
+                c = **startpp;
+                if (isspace(c) || c == '\0') {
+                        if (seendigit) /*%< trailing whitespace */
+                                break;
+                        else { /*%< leading whitespace */
+                                (*startpp)++;
+                                continue;
+                        }
+                }
+                if (c == ';') {
+                        while ((*startpp <= endp) &&
+			       ((c = **startpp) != '\n'))
+					(*startpp)++;
+                        if (seendigit)
+                                break;
+                        continue;
+                }
+                if (!isxdigit(c)) {
+                        if (c == ')' && seendigit) {
+                                (*startpp)--;
+                                break;
+                        }
+			return (-1);
+                }        
+                (*startpp)++;
+		if (isdigit(c))
+	                n = n * 16 + (c - '0');
+		else
+			n = n * 16 + (tolower(c) - 'a' + 10);
+                seendigit = 1;
+        }
+        return (n + m);
+}
+
+/*%
+ * Get a whitespace delimited base 10 number from a string (not file) into buf
+ * update the start pointer to point after the number in the string.
+ */
+static int
+getnum_str(u_char **startpp, u_char *endp) {
+        int c, n;
+        int seendigit = 0;
+        int m = 0;
+
+        for (n = 0; *startpp <= endp; ) {
+                c = **startpp;
+                if (isspace(c) || c == '\0') {
+                        if (seendigit) /*%< trailing whitespace */
+                                break;
+                        else { /*%< leading whitespace */
+                                (*startpp)++;
+                                continue;
+                        }
+                }
+                if (c == ';') {
+                        while ((*startpp <= endp) &&
+			       ((c = **startpp) != '\n'))
+					(*startpp)++;
+                        if (seendigit)
+                                break;
+                        continue;
+                }
+                if (!isdigit(c)) {
+                        if (c == ')' && seendigit) {
+                                (*startpp)--;
+                                break;
+                        }
+			return (-1);
+                }        
+                (*startpp)++;
+                n = n * 10 + (c - '0');
+                seendigit = 1;
+        }
+        return (n + m);
+}
+
+/*%
+ * Allocate a resource record buffer & save rr info.
+ */
+ns_updrec *
+res_mkupdrec(int section, const char *dname,
+	     u_int class, u_int type, u_long ttl) {
+	ns_updrec *rrecp = (ns_updrec *)calloc(1, sizeof(ns_updrec));
+
+	if (!rrecp || !(rrecp->r_dname = strdup(dname))) {
+		if (rrecp)
+			free((char *)rrecp);
+		return (NULL);
+	}
+	INIT_LINK(rrecp, r_link);
+	INIT_LINK(rrecp, r_glink);
+ 	rrecp->r_class = (ns_class)class;
+	rrecp->r_type = (ns_type)type;
+	rrecp->r_ttl = ttl;
+	rrecp->r_section = (ns_sect)section;
+	return (rrecp);
+}
+
+/*%
+ * Free a resource record buffer created by res_mkupdrec.
+ */
+void
+res_freeupdrec(ns_updrec *rrecp) {
+	/* Note: freeing r_dp is the caller's responsibility. */
+	if (rrecp->r_dname != NULL)
+		free(rrecp->r_dname);
+	free(rrecp);
+}
+
+struct valuelist {
+	struct valuelist *	next;
+	struct valuelist *	prev;
+	char *			name;
+	char *			proto;
+	int			port;
+};
+static struct valuelist *servicelist, *protolist;
+
+static void
+res_buildservicelist() {
+	struct servent *sp;
+	struct valuelist *slp;
+
+#ifdef MAYBE_HESIOD
+	setservent(0);
+#else
+	setservent(1);
+#endif
+	while ((sp = getservent()) != NULL) {
+		slp = (struct valuelist *)malloc(sizeof(struct valuelist));
+		if (!slp)
+			break;
+		slp->name = strdup(sp->s_name);
+		slp->proto = strdup(sp->s_proto);
+		if ((slp->name == NULL) || (slp->proto == NULL)) {
+			if (slp->name) free(slp->name);
+			if (slp->proto) free(slp->proto);
+			free(slp);
+			break;
+		}
+		slp->port = ntohs((u_int16_t)sp->s_port);  /*%< host byt order */
+		slp->next = servicelist;
+		slp->prev = NULL;
+		if (servicelist)
+			servicelist->prev = slp;
+		servicelist = slp;
+	}
+	endservent();
+}
+
+void
+res_destroyservicelist() {
+	struct valuelist *slp, *slp_next;
+
+	for (slp = servicelist; slp != NULL; slp = slp_next) {
+		slp_next = slp->next;
+		free(slp->name);
+		free(slp->proto);
+		free(slp);
+	}
+	servicelist = (struct valuelist *)0;
+}
+
+void
+res_buildprotolist(void) {
+	struct protoent *pp;
+	struct valuelist *slp;
+
+#ifdef MAYBE_HESIOD
+	setprotoent(0);
+#else
+	setprotoent(1);
+#endif
+	while ((pp = getprotoent()) != NULL) {
+		slp = (struct valuelist *)malloc(sizeof(struct valuelist));
+		if (!slp)
+			break;
+		slp->name = strdup(pp->p_name);
+		if (slp->name == NULL) {
+			free(slp);
+			break;
+		}
+		slp->port = pp->p_proto;	/*%< host byte order */
+		slp->next = protolist;
+		slp->prev = NULL;
+		if (protolist)
+			protolist->prev = slp;
+		protolist = slp;
+	}
+	endprotoent();
+}
+
+void
+res_destroyprotolist(void) {
+	struct valuelist *plp, *plp_next;
+
+	for (plp = protolist; plp != NULL; plp = plp_next) {
+		plp_next = plp->next;
+		free(plp->name);
+		free(plp);
+	}
+	protolist = (struct valuelist *)0;
+}
+
+static int
+findservice(const char *s, struct valuelist **list) {
+	struct valuelist *lp = *list;
+	int n;
+
+	for (; lp != NULL; lp = lp->next)
+		if (strcasecmp(lp->name, s) == 0) {
+			if (lp != *list) {
+				lp->prev->next = lp->next;
+				if (lp->next)
+					lp->next->prev = lp->prev;
+				(*list)->prev = lp;
+				lp->next = *list;
+				*list = lp;
+			}
+			return (lp->port);	/*%< host byte order */
+		}
+	if (sscanf(s, "%d", &n) != 1 || n <= 0)
+		n = -1;
+	return (n);
+}
+
+/*%
+ * Convert service name or (ascii) number to int.
+ */
+int
+res_servicenumber(const char *p) {
+	if (servicelist == (struct valuelist *)0)
+		res_buildservicelist();
+	return (findservice(p, &servicelist));
+}
+
+/*%
+ * Convert protocol name or (ascii) number to int.
+ */
+int
+res_protocolnumber(const char *p) {
+	if (protolist == (struct valuelist *)0)
+		res_buildprotolist();
+	return (findservice(p, &protolist));
+}
+
+static struct servent *
+cgetservbyport(u_int16_t port, const char *proto) {	/*%< Host byte order. */
+	struct valuelist **list = &servicelist;
+	struct valuelist *lp = *list;
+	static struct servent serv;
+
+	port = ntohs(port);
+	for (; lp != NULL; lp = lp->next) {
+		if (port != (u_int16_t)lp->port)	/*%< Host byte order. */
+			continue;
+		if (strcasecmp(lp->proto, proto) == 0) {
+			if (lp != *list) {
+				lp->prev->next = lp->next;
+				if (lp->next)
+					lp->next->prev = lp->prev;
+				(*list)->prev = lp;
+				lp->next = *list;
+				*list = lp;
+			}
+			serv.s_name = lp->name;
+			serv.s_port = htons((u_int16_t)lp->port);
+			serv.s_proto = lp->proto;
+			return (&serv);
+		}
+	}
+	return (0);
+}
+
+static struct protoent *
+cgetprotobynumber(int proto) {				/*%< Host byte order. */
+	struct valuelist **list = &protolist;
+	struct valuelist *lp = *list;
+	static struct protoent prot;
+
+	for (; lp != NULL; lp = lp->next)
+		if (lp->port == proto) {		/*%< Host byte order. */
+			if (lp != *list) {
+				lp->prev->next = lp->next;
+				if (lp->next)
+					lp->next->prev = lp->prev;
+				(*list)->prev = lp;
+				lp->next = *list;
+				*list = lp;
+			}
+			prot.p_name = lp->name;
+			prot.p_proto = lp->port;	/*%< Host byte order. */
+			return (&prot);
+		}
+	return (0);
+}
+
+const char *
+res_protocolname(int num) {
+	static char number[8];
+	struct protoent *pp;
+
+	if (protolist == (struct valuelist *)0)
+		res_buildprotolist();
+	pp = cgetprotobynumber(num);
+	if (pp == 0)  {
+		(void) sprintf(number, "%d", num);
+		return (number);
+	}
+	return (pp->p_name);
+}
+
+const char *
+res_servicename(u_int16_t port, const char *proto) {	/*%< Host byte order. */
+	static char number[8];
+	struct servent *ss;
+
+	if (servicelist == (struct valuelist *)0)
+		res_buildservicelist();
+	ss = cgetservbyport(htons(port), proto);
+	if (ss == 0)  {
+		(void) sprintf(number, "%d", port);
+		return (number);
+	}
+	return (ss->s_name);
+}
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/res_mkupdate.h b/usr/src/lib/libresolv2_joy/common/resolv/res_mkupdate.h
new file mode 100644
index 0000000000..96c452d89e
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/res_mkupdate.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1998,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _RES_MKUPDATE_H_
+#define _RES_MKUPDATE_H_
+
+__BEGIN_DECLS
+__END_DECLS
+
+#endif /* _RES_MKUPDATE_H_ */ 
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/res_private.h b/usr/src/lib/libresolv2_joy/common/resolv/res_private.h
new file mode 100644
index 0000000000..4e98157ced
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/res_private.h
@@ -0,0 +1,22 @@
+#ifndef res_private_h
+#define res_private_h
+
+struct __res_state_ext {
+	union res_sockaddr_union nsaddrs[MAXNS];
+	struct sort_list {
+		int     af;
+		union {
+			struct in_addr  ina;
+			struct in6_addr in6a;
+		} addr, mask;
+	} sort_list[MAXRESOLVSORT];
+	char nsuffix[64];
+	char nsuffix2[64];
+};
+
+extern int
+res_ourserver_p(const res_state statp, const struct sockaddr *sa);
+
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/res_query.c b/usr/src/lib/libresolv2_joy/common/resolv/res_query.c
new file mode 100644
index 0000000000..09df3da1fc
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/res_query.c
@@ -0,0 +1,440 @@
+/*
+ * Portions Copyright (C) 2004, 2005, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 1996-2001, 2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Copyright (c) 1988, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)res_query.c	8.1 (Berkeley) 6/4/93";
+static const char rcsid[] = "$Id: res_query.c,v 1.11 2008/11/14 02:36:51 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include "port_before.h"
+#include <sys/types.h>
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+#include <ctype.h>
+#include <errno.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "port_after.h"
+
+/* Options.  Leave them on. */
+#define DEBUG
+
+#if PACKETSZ > 1024
+#define MAXPACKET	PACKETSZ
+#else
+#define MAXPACKET	1024
+#endif
+
+/*%
+ * Formulate a normal query, send, and await answer.
+ * Returned answer is placed in supplied buffer "answer".
+ * Perform preliminary check of answer, returning success only
+ * if no error is indicated and the answer count is nonzero.
+ * Return the size of the response on success, -1 on error.
+ * Error number is left in H_ERRNO.
+ *
+ * Caller must parse answer and determine whether it answers the question.
+ */
+int
+res_nquery(res_state statp,
+	   const char *name,	/*%< domain name */
+	   int class, int type,	/*%< class and type of query */
+	   u_char *answer,	/*%< buffer to put answer */
+	   int anslen)		/*%< size of answer buffer */
+{
+	u_char buf[MAXPACKET];
+	HEADER *hp = (HEADER *) answer;
+	u_int oflags;
+	u_char *rdata;
+	int n;
+
+	oflags = statp->_flags;
+
+again:
+	hp->rcode = NOERROR;	/*%< default */
+#ifdef DEBUG
+	if (statp->options & RES_DEBUG)
+		printf(";; res_query(%s, %d, %d)\n", name, class, type);
+#endif
+
+	n = res_nmkquery(statp, QUERY, name, class, type, NULL, 0, NULL,
+			 buf, sizeof(buf));
+#ifdef RES_USE_EDNS0
+	if (n > 0 && (statp->_flags & RES_F_EDNS0ERR) == 0 &&
+	    (statp->options & (RES_USE_EDNS0|RES_USE_DNSSEC|RES_NSID))) {
+		n = res_nopt(statp, n, buf, sizeof(buf), anslen);
+		rdata = &buf[n];
+		if (n > 0 && (statp->options & RES_NSID) != 0U) {
+			n = res_nopt_rdata(statp, n, buf, sizeof(buf), rdata,
+					   NS_OPT_NSID, 0, NULL);
+		}
+	}
+#endif
+	if (n <= 0) {
+#ifdef DEBUG
+		if (statp->options & RES_DEBUG)
+			printf(";; res_query: mkquery failed\n");
+#endif
+		RES_SET_H_ERRNO(statp, NO_RECOVERY);
+		return (n);
+	}
+
+	n = res_nsend(statp, buf, n, answer, anslen);
+	if (n < 0) {
+#ifdef RES_USE_EDNS0
+		/* if the query choked with EDNS0, retry without EDNS0 */
+		if ((statp->options & (RES_USE_EDNS0|RES_USE_DNSSEC)) != 0U &&
+		    ((oflags ^ statp->_flags) & RES_F_EDNS0ERR) != 0) {
+			statp->_flags |= RES_F_EDNS0ERR;
+			if (statp->options & RES_DEBUG)
+				printf(";; res_nquery: retry without EDNS0\n");
+			goto again;
+		}
+#endif
+#ifdef DEBUG
+		if (statp->options & RES_DEBUG)
+			printf(";; res_query: send error\n");
+#endif
+		RES_SET_H_ERRNO(statp, TRY_AGAIN);
+		return (n);
+	}
+
+	if (hp->rcode != NOERROR || ntohs(hp->ancount) == 0) {
+#ifdef DEBUG
+		if (statp->options & RES_DEBUG)
+			printf(";; rcode = (%s), counts = an:%d ns:%d ar:%d\n",
+			       p_rcode(hp->rcode),
+			       ntohs(hp->ancount),
+			       ntohs(hp->nscount),
+			       ntohs(hp->arcount));
+#endif
+		switch (hp->rcode) {
+		case NXDOMAIN:
+			RES_SET_H_ERRNO(statp, HOST_NOT_FOUND);
+			break;
+		case SERVFAIL:
+			RES_SET_H_ERRNO(statp, TRY_AGAIN);
+			break;
+		case NOERROR:
+			RES_SET_H_ERRNO(statp, NO_DATA);
+			break;
+		case FORMERR:
+		case NOTIMP:
+		case REFUSED:
+		default:
+			RES_SET_H_ERRNO(statp, NO_RECOVERY);
+			break;
+		}
+		return (-1);
+	}
+	return (n);
+}
+
+/*%
+ * Formulate a normal query, send, and retrieve answer in supplied buffer.
+ * Return the size of the response on success, -1 on error.
+ * If enabled, implement search rules until answer or unrecoverable failure
+ * is detected.  Error code, if any, is left in H_ERRNO.
+ */
+int
+res_nsearch(res_state statp,
+	    const char *name,	/*%< domain name */
+	    int class, int type,	/*%< class and type of query */
+	    u_char *answer,	/*%< buffer to put answer */
+	    int anslen)		/*%< size of answer */
+{
+	const char *cp, * const *domain;
+	HEADER *hp = (HEADER *) answer;
+	char tmp[NS_MAXDNAME];
+	u_int dots;
+	int trailing_dot, ret, saved_herrno;
+	int got_nodata = 0, got_servfail = 0, root_on_list = 0;
+	int tried_as_is = 0;
+	int searched = 0;
+
+	errno = 0;
+	RES_SET_H_ERRNO(statp, HOST_NOT_FOUND);  /*%< True if we never query. */
+	dots = 0;
+	for (cp = name; *cp != '\0'; cp++)
+		dots += (*cp == '.');
+	trailing_dot = 0;
+	if (cp > name && *--cp == '.')
+		trailing_dot++;
+
+	/* If there aren't any dots, it could be a user-level alias. */
+	if (!dots && (cp = res_hostalias(statp, name, tmp, sizeof tmp))!= NULL)
+		return (res_nquery(statp, cp, class, type, answer, anslen));
+
+	/*
+	 * If there are enough dots in the name, let's just give it a
+	 * try 'as is'. The threshold can be set with the "ndots" option.
+	 * Also, query 'as is', if there is a trailing dot in the name.
+	 */
+	saved_herrno = -1;
+	if (dots >= statp->ndots || trailing_dot) {
+		ret = res_nquerydomain(statp, name, NULL, class, type,
+					 answer, anslen);
+		if (ret > 0 || trailing_dot)
+			return (ret);
+		saved_herrno = statp->res_h_errno;
+		tried_as_is++;
+	}
+
+	/*
+	 * We do at least one level of search if
+	 *	- there is no dot and RES_DEFNAME is set, or
+	 *	- there is at least one dot, there is no trailing dot,
+	 *	  and RES_DNSRCH is set.
+	 */
+	if ((!dots && (statp->options & RES_DEFNAMES) != 0U) ||
+	    (dots && !trailing_dot && (statp->options & RES_DNSRCH) != 0U)) {
+		int done = 0;
+
+		for (domain = (const char * const *)statp->dnsrch;
+		     *domain && !done;
+		     domain++) {
+			searched = 1;
+
+			if (domain[0][0] == '\0' ||
+			    (domain[0][0] == '.' && domain[0][1] == '\0'))
+				root_on_list++;
+
+			ret = res_nquerydomain(statp, name, *domain,
+					       class, type,
+					       answer, anslen);
+			if (ret > 0)
+				return (ret);
+
+			/*
+			 * If no server present, give up.
+			 * If name isn't found in this domain,
+			 * keep trying higher domains in the search list
+			 * (if that's enabled).
+			 * On a NO_DATA error, keep trying, otherwise
+			 * a wildcard entry of another type could keep us
+			 * from finding this entry higher in the domain.
+			 * If we get some other error (negative answer or
+			 * server failure), then stop searching up,
+			 * but try the input name below in case it's
+			 * fully-qualified.
+			 */
+			if (errno == ECONNREFUSED) {
+				RES_SET_H_ERRNO(statp, TRY_AGAIN);
+				return (-1);
+			}
+
+			switch (statp->res_h_errno) {
+			case NO_DATA:
+				got_nodata++;
+				/* FALLTHROUGH */
+			case HOST_NOT_FOUND:
+				/* keep trying */
+				break;
+			case TRY_AGAIN:
+				if (hp->rcode == SERVFAIL) {
+					/* try next search element, if any */
+					got_servfail++;
+					break;
+				}
+				/* FALLTHROUGH */
+			default:
+				/* anything else implies that we're done */
+				done++;
+			}
+
+			/* if we got here for some reason other than DNSRCH,
+			 * we only wanted one iteration of the loop, so stop.
+			 */
+			if ((statp->options & RES_DNSRCH) == 0U)
+				done++;
+		}
+	}
+
+	/*
+	 * If the query has not already been tried as is then try it
+	 * unless RES_NOTLDQUERY is set and there were no dots.
+	 */
+	if ((dots || !searched || (statp->options & RES_NOTLDQUERY) == 0U) &&
+	    !(tried_as_is || root_on_list)) {
+		ret = res_nquerydomain(statp, name, NULL, class, type,
+				       answer, anslen);
+		if (ret > 0)
+			return (ret);
+	}
+
+	/* if we got here, we didn't satisfy the search.
+	 * if we did an initial full query, return that query's H_ERRNO
+	 * (note that we wouldn't be here if that query had succeeded).
+	 * else if we ever got a nodata, send that back as the reason.
+	 * else send back meaningless H_ERRNO, that being the one from
+	 * the last DNSRCH we did.
+	 */
+	if (saved_herrno != -1)
+		RES_SET_H_ERRNO(statp, saved_herrno);
+	else if (got_nodata)
+		RES_SET_H_ERRNO(statp, NO_DATA);
+	else if (got_servfail)
+		RES_SET_H_ERRNO(statp, TRY_AGAIN);
+	return (-1);
+}
+
+/*%
+ * Perform a call on res_query on the concatenation of name and domain,
+ * removing a trailing dot from name if domain is NULL.
+ */
+int
+res_nquerydomain(res_state statp,
+	    const char *name,
+	    const char *domain,
+	    int class, int type,	/*%< class and type of query */
+	    u_char *answer,		/*%< buffer to put answer */
+	    int anslen)		/*%< size of answer */
+{
+	char nbuf[MAXDNAME];
+	const char *longname = nbuf;
+	int n, d;
+
+#ifdef DEBUG
+	if (statp->options & RES_DEBUG)
+		printf(";; res_nquerydomain(%s, %s, %d, %d)\n",
+		       name, domain?domain:"<Nil>", class, type);
+#endif
+	if (domain == NULL) {
+		/*
+		 * Check for trailing '.';
+		 * copy without '.' if present.
+		 */
+		n = strlen(name);
+		if (n >= MAXDNAME) {
+			RES_SET_H_ERRNO(statp, NO_RECOVERY);
+			return (-1);
+		}
+		n--;
+		if (n >= 0 && name[n] == '.') {
+			strncpy(nbuf, name, n);
+			nbuf[n] = '\0';
+		} else
+			longname = name;
+	} else {
+		n = strlen(name);
+		d = strlen(domain);
+		if (n + d + 1 >= MAXDNAME) {
+			RES_SET_H_ERRNO(statp, NO_RECOVERY);
+			return (-1);
+		}
+		sprintf(nbuf, "%s.%s", name, domain);
+	}
+	return (res_nquery(statp, longname, class, type, answer, anslen));
+}
+
+const char *
+res_hostalias(const res_state statp, const char *name, char *dst, size_t siz) {
+	char *file, *cp1, *cp2;
+	char buf[BUFSIZ];
+	FILE *fp;
+
+	if (statp->options & RES_NOALIASES)
+		return (NULL);
+	file = getenv("HOSTALIASES");
+	if (file == NULL || (fp = fopen(file, "r")) == NULL)
+		return (NULL);
+	setbuf(fp, NULL);
+	buf[sizeof(buf) - 1] = '\0';
+	while (fgets(buf, sizeof(buf), fp)) {
+		for (cp1 = buf; *cp1 && !isspace((unsigned char)*cp1); ++cp1)
+			;
+		if (!*cp1)
+			break;
+		*cp1 = '\0';
+		if (ns_samename(buf, name) == 1) {
+			while (isspace((unsigned char)*++cp1))
+				;
+			if (!*cp1)
+				break;
+			for (cp2 = cp1 + 1; *cp2 &&
+			     !isspace((unsigned char)*cp2); ++cp2)
+				;
+			*cp2 = '\0';
+			strncpy(dst, cp1, siz - 1);
+			dst[siz - 1] = '\0';
+			fclose(fp);
+			return (dst);
+		}
+	}
+	fclose(fp);
+	return (NULL);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/res_send.c b/usr/src/lib/libresolv2_joy/common/resolv/res_send.c
new file mode 100644
index 0000000000..289db4e77d
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/res_send.c
@@ -0,0 +1,1120 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+/*
+ * Portions Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 1996-2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Copyright (c) 1985, 1989, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)res_send.c	8.1 (Berkeley) 6/4/93";
+static const char rcsid[] = "$Id: res_send.c,v 1.22 2009/01/22 23:49:23 tbox Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/*! \file
+ * \brief
+ * Send query to name server and wait for reply.
+ */
+
+#include "port_before.h"
+#include "fd_setsize.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+
+#include <errno.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <isc/eventlib.h>
+
+#include "port_after.h"
+
+#ifdef USE_POLL
+#ifdef HAVE_STROPTS_H
+#include <stropts.h>
+#endif
+#include <poll.h>
+#endif /* USE_POLL */
+
+/* Options.  Leave them on. */
+#define DEBUG
+#include "res_debug.h"
+#include "res_private.h"
+
+#define EXT(res) ((res)->_u._ext)
+
+#ifndef USE_POLL
+static const int highestFD = FD_SETSIZE - 1;
+#else
+static int highestFD = 0;
+#endif
+
+/* Forward. */
+
+static int		get_salen __P((const struct sockaddr *));
+static struct sockaddr * get_nsaddr __P((res_state, size_t));
+static int		send_vc(res_state, const u_char *, int,
+				u_char *, int, int *, int);
+static int		send_dg(res_state, const u_char *, int,
+				u_char *, int, int *, int, int,
+				int *, int *);
+static void		Aerror(const res_state, FILE *, const char *, int,
+			       const struct sockaddr *, int);
+static void		Perror(const res_state, FILE *, const char *, int);
+static int		sock_eq(struct sockaddr *, struct sockaddr *);
+#if defined(NEED_PSELECT) && !defined(USE_POLL)
+static int		pselect(int, void *, void *, void *,
+				struct timespec *,
+				const sigset_t *);
+#endif
+void res_pquery(const res_state, const u_char *, int, FILE *);
+
+#ifndef	ORIGINAL_ISC_CODE
+#pragma weak	__res_nameinquery	=	res_nameinquery
+#pragma weak	__res_queriesmatch	=	res_queriesmatch
+#pragma weak	res_nisourserver	=	res_ourserver_p
+#endif	/* ORIGINAL_ISC_CODE */
+
+static const int niflags = NI_NUMERICHOST | NI_NUMERICSERV;
+
+/* Public. */
+
+/*%
+ *	looks up "ina" in _res.ns_addr_list[]
+ *
+ * returns:
+ *\li	0  : not found
+ *\li	>0 : found
+ *
+ * author:
+ *\li	paul vixie, 29may94
+ */
+int
+res_ourserver_p(const res_state statp, const struct sockaddr *sa) {
+	const struct sockaddr_in *inp, *srv;
+	const struct sockaddr_in6 *in6p, *srv6;
+	int ns;
+
+	switch (sa->sa_family) {
+	case AF_INET:
+		inp = (const struct sockaddr_in *)sa;
+		for (ns = 0;  ns < statp->nscount;  ns++) {
+			srv = (struct sockaddr_in *)get_nsaddr(statp, ns);
+			if (srv->sin_family == inp->sin_family &&
+			    srv->sin_port == inp->sin_port &&
+			    (srv->sin_addr.s_addr == INADDR_ANY ||
+			     srv->sin_addr.s_addr == inp->sin_addr.s_addr))
+				return (1);
+		}
+		break;
+	case AF_INET6:
+		if (EXT(statp).ext == NULL)
+			break;
+		in6p = (const struct sockaddr_in6 *)sa;
+		for (ns = 0;  ns < statp->nscount;  ns++) {
+			srv6 = (struct sockaddr_in6 *)get_nsaddr(statp, ns);
+			if (srv6->sin6_family == in6p->sin6_family &&
+			    srv6->sin6_port == in6p->sin6_port &&
+#ifdef HAVE_SIN6_SCOPE_ID
+			    (srv6->sin6_scope_id == 0 ||
+			     srv6->sin6_scope_id == in6p->sin6_scope_id) &&
+#endif
+			    (IN6_IS_ADDR_UNSPECIFIED(&srv6->sin6_addr) ||
+			     IN6_ARE_ADDR_EQUAL(&srv6->sin6_addr, &in6p->sin6_addr)))
+				return (1);
+		}
+		break;
+	default:
+		break;
+	}
+	return (0);
+}
+
+/*%
+ *	look for (name,type,class) in the query section of packet (buf,eom)
+ *
+ * requires:
+ *\li	buf + HFIXEDSZ <= eom
+ *
+ * returns:
+ *\li	-1 : format error
+ *\li	0  : not found
+ *\li	>0 : found
+ *
+ * author:
+ *\li	paul vixie, 29may94
+ */
+int
+res_nameinquery(const char *name, int type, int class,
+		const u_char *buf, const u_char *eom)
+{
+	const u_char *cp = buf + HFIXEDSZ;
+	int qdcount = ntohs(((const HEADER*)buf)->qdcount);
+
+	while (qdcount-- > 0) {
+		char tname[MAXDNAME+1];
+		int n, ttype, tclass;
+
+		n = dn_expand(buf, eom, cp, tname, sizeof tname);
+		if (n < 0)
+			return (-1);
+		cp += n;
+		if (cp + 2 * INT16SZ > eom)
+			return (-1);
+		ttype = ns_get16(cp); cp += INT16SZ;
+		tclass = ns_get16(cp); cp += INT16SZ;
+		if (ttype == type && tclass == class &&
+		    ns_samename(tname, name) == 1)
+			return (1);
+	}
+	return (0);
+}
+
+/*%
+ *	is there a 1:1 mapping of (name,type,class)
+ *	in (buf1,eom1) and (buf2,eom2)?
+ *
+ * returns:
+ *\li	-1 : format error
+ *\li	0  : not a 1:1 mapping
+ *\li	>0 : is a 1:1 mapping
+ *
+ * author:
+ *\li	paul vixie, 29may94
+ */
+int
+res_queriesmatch(const u_char *buf1, const u_char *eom1,
+		 const u_char *buf2, const u_char *eom2)
+{
+	const u_char *cp = buf1 + HFIXEDSZ;
+	int qdcount = ntohs(((const HEADER*)buf1)->qdcount);
+
+	if (buf1 + HFIXEDSZ > eom1 || buf2 + HFIXEDSZ > eom2)
+		return (-1);
+
+	/*
+	 * Only header section present in replies to
+	 * dynamic update packets.
+	 */
+	if ((((const HEADER *)buf1)->opcode == ns_o_update) &&
+	    (((const HEADER *)buf2)->opcode == ns_o_update))
+		return (1);
+
+	if (qdcount != ntohs(((const HEADER*)buf2)->qdcount))
+		return (0);
+	while (qdcount-- > 0) {
+		char tname[MAXDNAME+1];
+		int n, ttype, tclass;
+
+		n = dn_expand(buf1, eom1, cp, tname, sizeof tname);
+		if (n < 0)
+			return (-1);
+		cp += n;
+		if (cp + 2 * INT16SZ > eom1)
+			return (-1);
+		ttype = ns_get16(cp);	cp += INT16SZ;
+		tclass = ns_get16(cp); cp += INT16SZ;
+		if (!res_nameinquery(tname, ttype, tclass, buf2, eom2))
+			return (0);
+	}
+	return (1);
+}
+
+int
+res_nsend(res_state statp,
+	  const u_char *buf, int buflen, u_char *ans, int anssiz)
+{
+	int gotsomewhere, terrno, tries, v_circuit, resplen, ns, n;
+	char abuf[NI_MAXHOST];
+
+#ifdef USE_POLL
+	highestFD = sysconf(_SC_OPEN_MAX) - 1;
+#endif
+
+	/* No name servers or res_init() failure */
+	if (statp->nscount == 0 || EXT(statp).ext == NULL) {
+		errno = ESRCH;
+		return (-1);
+	}
+	if (anssiz < HFIXEDSZ) {
+		errno = EINVAL;
+		return (-1);
+	}
+	DprintQ((statp->options & RES_DEBUG) || (statp->pfcode & RES_PRF_QUERY),
+		(stdout, ";; res_send()\n"), buf, buflen);
+	v_circuit = (statp->options & RES_USEVC) || buflen > PACKETSZ;
+	gotsomewhere = 0;
+	terrno = ETIMEDOUT;
+
+	/*
+	 * If the ns_addr_list in the resolver context has changed, then
+	 * invalidate our cached copy and the associated timing data.
+	 */
+	if (EXT(statp).nscount != 0) {
+		int needclose = 0;
+		struct sockaddr_storage peer;
+		ISC_SOCKLEN_T peerlen;
+
+		if (EXT(statp).nscount != statp->nscount)
+			needclose++;
+		else
+			for (ns = 0; ns < statp->nscount; ns++) {
+				if (statp->nsaddr_list[ns].sin_family &&
+				    !sock_eq((struct sockaddr *)&statp->nsaddr_list[ns],
+					     (struct sockaddr *)&EXT(statp).ext->nsaddrs[ns])) {
+					needclose++;
+					break;
+				}
+
+				if (EXT(statp).nssocks[ns] == -1)
+					continue;
+				peerlen = sizeof(peer);
+				if (getpeername(EXT(statp).nssocks[ns],
+				    (struct sockaddr *)&peer, &peerlen) < 0) {
+					needclose++;
+					break;
+				}
+				if (!sock_eq((struct sockaddr *)&peer,
+				    get_nsaddr(statp, ns))) {
+					needclose++;
+					break;
+				}
+			}
+		if (needclose) {
+			res_nclose(statp);
+			EXT(statp).nscount = 0;
+		}
+	}
+
+	/*
+	 * Maybe initialize our private copy of the ns_addr_list.
+	 */
+	if (EXT(statp).nscount == 0) {
+		for (ns = 0; ns < statp->nscount; ns++) {
+			EXT(statp).nstimes[ns] = RES_MAXTIME;
+			EXT(statp).nssocks[ns] = -1;
+			if (!statp->nsaddr_list[ns].sin_family)
+				continue;
+			EXT(statp).ext->nsaddrs[ns].sin =
+				 statp->nsaddr_list[ns];
+		}
+		EXT(statp).nscount = statp->nscount;
+	}
+
+	/*
+	 * Some resolvers want to even out the load on their nameservers.
+	 * Note that RES_BLAST overrides RES_ROTATE.
+	 */
+	if ((statp->options & RES_ROTATE) != 0U &&
+	    (statp->options & RES_BLAST) == 0U) {
+		union res_sockaddr_union inu;
+		struct sockaddr_in ina;
+		int lastns = statp->nscount - 1;
+		int fd;
+		u_int16_t nstime;
+
+		if (EXT(statp).ext != NULL)
+			inu = EXT(statp).ext->nsaddrs[0];
+		ina = statp->nsaddr_list[0];
+		fd = EXT(statp).nssocks[0];
+		nstime = EXT(statp).nstimes[0];
+		for (ns = 0; ns < lastns; ns++) {
+			if (EXT(statp).ext != NULL)
+				EXT(statp).ext->nsaddrs[ns] =
+					EXT(statp).ext->nsaddrs[ns + 1];
+			statp->nsaddr_list[ns] = statp->nsaddr_list[ns + 1];
+			EXT(statp).nssocks[ns] = EXT(statp).nssocks[ns + 1];
+			EXT(statp).nstimes[ns] = EXT(statp).nstimes[ns + 1];
+		}
+		if (EXT(statp).ext != NULL)
+			EXT(statp).ext->nsaddrs[lastns] = inu;
+		statp->nsaddr_list[lastns] = ina;
+		EXT(statp).nssocks[lastns] = fd;
+		EXT(statp).nstimes[lastns] = nstime;
+	}
+
+	/*
+	 * Send request, RETRY times, or until successful.
+	 */
+	for (tries = 0; tries < statp->retry; tries++) {
+	    for (ns = 0; ns < statp->nscount; ns++) {
+		struct sockaddr *nsap;
+		int nsaplen;
+		nsap = get_nsaddr(statp, ns);
+		nsaplen = get_salen(nsap);
+		statp->_flags &= ~RES_F_LASTMASK;
+		statp->_flags |= (ns << RES_F_LASTSHIFT);
+ same_ns:
+		if (statp->qhook) {
+			int done = 0, loops = 0;
+
+			do {
+				res_sendhookact act;
+
+				act = (*statp->qhook)(&nsap, &buf, &buflen,
+						      ans, anssiz, &resplen);
+				switch (act) {
+				case res_goahead:
+					done = 1;
+					break;
+				case res_nextns:
+					res_nclose(statp);
+					goto next_ns;
+				case res_done:
+					return (resplen);
+				case res_modified:
+					/* give the hook another try */
+					if (++loops < 42) /*doug adams*/
+						break;
+					/*FALLTHROUGH*/
+				case res_error:
+					/*FALLTHROUGH*/
+				default:
+					goto fail;
+				}
+			} while (!done);
+		}
+
+		Dprint(((statp->options & RES_DEBUG) &&
+			getnameinfo(nsap, nsaplen, abuf, sizeof(abuf),
+				    NULL, 0, niflags) == 0),
+		       (stdout, ";; Querying server (# %d) address = %s\n",
+			ns + 1, abuf));
+
+
+		if (v_circuit) {
+			/* Use VC; at most one attempt per server. */
+			tries = statp->retry;
+			n = send_vc(statp, buf, buflen, ans, anssiz, &terrno,
+				    ns);
+			if (n < 0)
+				goto fail;
+			if (n == 0)
+				goto next_ns;
+			resplen = n;
+		} else {
+			/* Use datagrams. */
+			n = send_dg(statp, buf, buflen, ans, anssiz, &terrno,
+				    ns, tries, &v_circuit, &gotsomewhere);
+			if (n < 0)
+				goto fail;
+			if (n == 0)
+				goto next_ns;
+			if (v_circuit)
+				goto same_ns;
+			resplen = n;
+		}
+
+		Dprint((statp->options & RES_DEBUG) ||
+		       ((statp->pfcode & RES_PRF_REPLY) &&
+			(statp->pfcode & RES_PRF_HEAD1)),
+		       (stdout, ";; got answer:\n"));
+
+		DprintQ((statp->options & RES_DEBUG) ||
+			(statp->pfcode & RES_PRF_REPLY),
+			(stdout, "%s", ""),
+			ans, (resplen > anssiz) ? anssiz : resplen);
+
+		/*
+		 * If we have temporarily opened a virtual circuit,
+		 * or if we haven't been asked to keep a socket open,
+		 * close the socket.
+		 */
+		if ((v_circuit && (statp->options & RES_USEVC) == 0U) ||
+		    (statp->options & RES_STAYOPEN) == 0U) {
+			res_nclose(statp);
+		}
+		if (statp->rhook) {
+			int done = 0, loops = 0;
+
+			do {
+				res_sendhookact act;
+
+				act = (*statp->rhook)(nsap, buf, buflen,
+						      ans, anssiz, &resplen);
+				switch (act) {
+				case res_goahead:
+				case res_done:
+					done = 1;
+					break;
+				case res_nextns:
+					res_nclose(statp);
+					goto next_ns;
+				case res_modified:
+					/* give the hook another try */
+					if (++loops < 42) /*doug adams*/
+						break;
+					/*FALLTHROUGH*/
+				case res_error:
+					/*FALLTHROUGH*/
+				default:
+					goto fail;
+				}
+			} while (!done);
+
+		}
+		return (resplen);
+ next_ns: ;
+	   } /*foreach ns*/
+	} /*foreach retry*/
+	res_nclose(statp);
+	if (!v_circuit) {
+		if (!gotsomewhere)
+			errno = ECONNREFUSED;	/*%< no nameservers found */
+		else
+			errno = ETIMEDOUT;	/*%< no answer obtained */
+	} else
+		errno = terrno;
+	return (-1);
+ fail:
+	res_nclose(statp);
+	return (-1);
+}
+
+/* Private */
+
+static int
+get_salen(sa)
+	const struct sockaddr *sa;
+{
+
+#ifdef HAVE_SA_LEN
+	/* There are people do not set sa_len.  Be forgiving to them. */
+	if (sa->sa_len)
+		return (sa->sa_len);
+#endif
+
+	if (sa->sa_family == AF_INET)
+		return (sizeof(struct sockaddr_in));
+	else if (sa->sa_family == AF_INET6)
+		return (sizeof(struct sockaddr_in6));
+	else
+		return (0);	/*%< unknown, die on connect */
+}
+
+/*%
+ * pick appropriate nsaddr_list for use.  see res_init() for initialization.
+ */
+static struct sockaddr *
+get_nsaddr(statp, n)
+	res_state statp;
+	size_t n;
+{
+
+	if (!statp->nsaddr_list[n].sin_family && EXT(statp).ext) {
+		/*
+		 * - EXT(statp).ext->nsaddrs[n] holds an address that is larger
+		 *   than struct sockaddr, and
+		 * - user code did not update statp->nsaddr_list[n].
+		 */
+		return (struct sockaddr *)(void *)&EXT(statp).ext->nsaddrs[n];
+	} else {
+		/*
+		 * - user code updated statp->nsaddr_list[n], or
+		 * - statp->nsaddr_list[n] has the same content as
+		 *   EXT(statp).ext->nsaddrs[n].
+		 */
+		return (struct sockaddr *)(void *)&statp->nsaddr_list[n];
+	}
+}
+
+static int
+send_vc(res_state statp,
+	const u_char *buf, int buflen, u_char *ans, int anssiz,
+	int *terrno, int ns)
+{
+	const HEADER *hp = (const HEADER *) buf;
+	HEADER *anhp = (HEADER *) ans;
+	struct sockaddr *nsap;
+	int nsaplen;
+	int truncating, connreset, resplen, n;
+	struct iovec iov[2];
+	u_short len;
+	u_char *cp;
+	void *tmp;
+#ifdef SO_NOSIGPIPE
+	int on = 1;
+#endif
+
+	nsap = get_nsaddr(statp, ns);
+	nsaplen = get_salen(nsap);
+
+	connreset = 0;
+ same_ns:
+	truncating = 0;
+
+	/* Are we still talking to whom we want to talk to? */
+	if (statp->_vcsock >= 0 && (statp->_flags & RES_F_VC) != 0) {
+		struct sockaddr_storage peer;
+		ISC_SOCKLEN_T size = sizeof peer;
+
+		if (getpeername(statp->_vcsock,
+				(struct sockaddr *)&peer, &size) < 0 ||
+		    !sock_eq((struct sockaddr *)&peer, nsap)) {
+			res_nclose(statp);
+			statp->_flags &= ~RES_F_VC;
+		}
+	}
+
+	if (statp->_vcsock < 0 || (statp->_flags & RES_F_VC) == 0) {
+		if (statp->_vcsock >= 0)
+			res_nclose(statp);
+
+		statp->_vcsock = socket(nsap->sa_family, SOCK_STREAM, 0);
+		if (statp->_vcsock > highestFD) {
+			res_nclose(statp);
+			errno = ENOTSOCK;
+		}
+		if (statp->_vcsock < 0) {
+			switch (errno) {
+			case EPROTONOSUPPORT:
+#ifdef EPFNOSUPPORT
+			case EPFNOSUPPORT:
+#endif
+			case EAFNOSUPPORT:
+				Perror(statp, stderr, "socket(vc)", errno);
+				return (0);
+			default:
+				*terrno = errno;
+				Perror(statp, stderr, "socket(vc)", errno);
+				return (-1);
+			}
+		}
+#ifdef SO_NOSIGPIPE
+		/*
+		 * Disable generation of SIGPIPE when writing to a closed
+		 * socket.  Write should return -1 and set errno to EPIPE
+		 * instead.
+		 *
+		 * Push on even if setsockopt(SO_NOSIGPIPE) fails.
+		 */
+		(void)setsockopt(statp->_vcsock, SOL_SOCKET, SO_NOSIGPIPE, &on,
+				 sizeof(on));
+#endif
+		errno = 0;
+		if (connect(statp->_vcsock, nsap, nsaplen) < 0) {
+			*terrno = errno;
+			Aerror(statp, stderr, "connect/vc", errno, nsap,
+			    nsaplen);
+			res_nclose(statp);
+			return (0);
+		}
+		statp->_flags |= RES_F_VC;
+	}
+
+	/*
+	 * Send length & message
+	 */
+	ns_put16((u_short)buflen, (u_char*)&len);
+	iov[0] = evConsIovec(&len, INT16SZ);
+	DE_CONST(buf, tmp);
+	iov[1] = evConsIovec(tmp, buflen);
+	if (writev(statp->_vcsock, iov, 2) != (INT16SZ + buflen)) {
+		*terrno = errno;
+		Perror(statp, stderr, "write failed", errno);
+		res_nclose(statp);
+		return (0);
+	}
+	/*
+	 * Receive length & response
+	 */
+ read_len:
+	cp = ans;
+	len = INT16SZ;
+	while ((n = read(statp->_vcsock, (char *)cp, (int)len)) > 0) {
+		cp += n;
+		if ((len -= n) == 0)
+			break;
+	}
+	if (n <= 0) {
+		*terrno = errno;
+		Perror(statp, stderr, "read failed", errno);
+		res_nclose(statp);
+		/*
+		 * A long running process might get its TCP
+		 * connection reset if the remote server was
+		 * restarted.  Requery the server instead of
+		 * trying a new one.  When there is only one
+		 * server, this means that a query might work
+		 * instead of failing.  We only allow one reset
+		 * per query to prevent looping.
+		 */
+		if (*terrno == ECONNRESET && !connreset) {
+			connreset = 1;
+			res_nclose(statp);
+			goto same_ns;
+		}
+		res_nclose(statp);
+		return (0);
+	}
+	resplen = ns_get16(ans);
+	if (resplen > anssiz) {
+		Dprint(statp->options & RES_DEBUG,
+		       (stdout, ";; response truncated\n")
+		       );
+		truncating = 1;
+		len = anssiz;
+	} else
+		len = resplen;
+	if (len < HFIXEDSZ) {
+		/*
+		 * Undersized message.
+		 */
+		Dprint(statp->options & RES_DEBUG,
+		       (stdout, ";; undersized: %d\n", len));
+		*terrno = EMSGSIZE;
+		res_nclose(statp);
+		return (0);
+	}
+	cp = ans;
+	while (len != 0 && (n = read(statp->_vcsock, (char *)cp, (int)len)) > 0){
+		cp += n;
+		len -= n;
+	}
+	if (n <= 0) {
+		*terrno = errno;
+		Perror(statp, stderr, "read(vc)", errno);
+		res_nclose(statp);
+		return (0);
+	}
+	if (truncating) {
+		/*
+		 * Flush rest of answer so connection stays in synch.
+		 */
+		anhp->tc = 1;
+		len = resplen - anssiz;
+		while (len != 0) {
+			char junk[PACKETSZ];
+
+			n = read(statp->_vcsock, junk,
+				 (len > sizeof junk) ? sizeof junk : len);
+			if (n > 0)
+				len -= n;
+			else
+				break;
+		}
+	}
+	/*
+	 * If the calling applicating has bailed out of
+	 * a previous call and failed to arrange to have
+	 * the circuit closed or the server has got
+	 * itself confused, then drop the packet and
+	 * wait for the correct one.
+	 */
+	if (hp->id != anhp->id) {
+		DprintQ((statp->options & RES_DEBUG) ||
+			(statp->pfcode & RES_PRF_REPLY),
+			(stdout, ";; old answer (unexpected):\n"),
+			ans, (resplen > anssiz) ? anssiz: resplen);
+		goto read_len;
+	}
+
+	/*
+	 * All is well, or the error is fatal.  Signal that the
+	 * next nameserver ought not be tried.
+	 */
+	return (resplen);
+}
+
+static int
+send_dg(res_state statp, const u_char *buf, int buflen, u_char *ans,
+	int anssiz, int *terrno, int ns, int tries, int *v_circuit,
+	int *gotsomewhere)
+{
+	const HEADER *hp = (const HEADER *) buf;
+	HEADER *anhp = (HEADER *) ans;
+	const struct sockaddr *nsap;
+	int nsaplen;
+	struct timespec now, timeout, finish;
+	struct sockaddr_storage from;
+	ISC_SOCKLEN_T fromlen;
+	int resplen, seconds, n, s;
+#ifdef USE_POLL
+	int     polltimeout;
+	struct pollfd   pollfd;
+#else
+	fd_set dsmask;
+#endif
+
+	nsap = get_nsaddr(statp, ns);
+	nsaplen = get_salen(nsap);
+	if (EXT(statp).nssocks[ns] == -1) {
+		EXT(statp).nssocks[ns] = socket(nsap->sa_family, SOCK_DGRAM, 0);
+		if (EXT(statp).nssocks[ns] > highestFD) {
+			res_nclose(statp);
+			errno = ENOTSOCK;
+		}
+		if (EXT(statp).nssocks[ns] < 0) {
+			switch (errno) {
+			case EPROTONOSUPPORT:
+#ifdef EPFNOSUPPORT
+			case EPFNOSUPPORT:
+#endif
+			case EAFNOSUPPORT:
+				Perror(statp, stderr, "socket(dg)", errno);
+				return (0);
+			default:
+				*terrno = errno;
+				Perror(statp, stderr, "socket(dg)", errno);
+				return (-1);
+			}
+		}
+#ifndef CANNOT_CONNECT_DGRAM
+		/*
+		 * On a 4.3BSD+ machine (client and server,
+		 * actually), sending to a nameserver datagram
+		 * port with no nameserver will cause an
+		 * ICMP port unreachable message to be returned.
+		 * If our datagram socket is "connected" to the
+		 * server, we get an ECONNREFUSED error on the next
+		 * socket operation, and select returns if the
+		 * error message is received.  We can thus detect
+		 * the absence of a nameserver without timing out.
+		 */
+		if (connect(EXT(statp).nssocks[ns], nsap, nsaplen) < 0) {
+			Aerror(statp, stderr, "connect(dg)", errno, nsap,
+			    nsaplen);
+			res_nclose(statp);
+			return (0);
+		}
+#endif /* !CANNOT_CONNECT_DGRAM */
+		Dprint(statp->options & RES_DEBUG,
+		       (stdout, ";; new DG socket\n"))
+	}
+	s = EXT(statp).nssocks[ns];
+#ifndef CANNOT_CONNECT_DGRAM
+	if (send(s, (const char*)buf, buflen, 0) != buflen) {
+		Perror(statp, stderr, "send", errno);
+		res_nclose(statp);
+		return (0);
+	}
+#else /* !CANNOT_CONNECT_DGRAM */
+	if (sendto(s, (const char*)buf, buflen, 0, nsap, nsaplen) != buflen)
+	{
+		Aerror(statp, stderr, "sendto", errno, nsap, nsaplen);
+		res_nclose(statp);
+		return (0);
+	}
+#endif /* !CANNOT_CONNECT_DGRAM */
+
+	/*
+	 * Wait for reply.
+	 */
+	seconds = (statp->retrans << tries);
+	if (ns > 0)
+		seconds /= statp->nscount;
+	if (seconds <= 0)
+		seconds = 1;
+	now = evNowTime();
+	timeout = evConsTime(seconds, 0);
+	finish = evAddTime(now, timeout);
+	goto nonow;
+ wait:
+	now = evNowTime();
+ nonow:
+#ifndef USE_POLL
+	FD_ZERO(&dsmask);
+	FD_SET(s, &dsmask);
+	if (evCmpTime(finish, now) > 0)
+		timeout = evSubTime(finish, now);
+	else
+		timeout = evConsTime(0, 0);
+	n = pselect(s + 1, &dsmask, NULL, NULL, &timeout, NULL);
+#else
+	timeout = evSubTime(finish, now);
+	if (timeout.tv_sec < 0)
+		timeout = evConsTime(0, 0);
+	polltimeout = 1000*timeout.tv_sec +
+		timeout.tv_nsec/1000000;
+	pollfd.fd = s;
+	pollfd.events = POLLRDNORM;
+	n = poll(&pollfd, 1, polltimeout);
+#endif /* USE_POLL */
+
+	if (n == 0) {
+		Dprint(statp->options & RES_DEBUG, (stdout, ";; timeout\n"));
+		*gotsomewhere = 1;
+		return (0);
+	}
+	if (n < 0) {
+		if (errno == EINTR)
+			goto wait;
+#ifndef USE_POLL
+		Perror(statp, stderr, "select", errno);
+#else
+		Perror(statp, stderr, "poll", errno);
+#endif /* USE_POLL */
+		res_nclose(statp);
+		return (0);
+	}
+	errno = 0;
+	fromlen = sizeof(from);
+	resplen = recvfrom(s, (char*)ans, anssiz,0,
+			   (struct sockaddr *)&from, &fromlen);
+	if (resplen <= 0) {
+		Perror(statp, stderr, "recvfrom", errno);
+		res_nclose(statp);
+		return (0);
+	}
+	*gotsomewhere = 1;
+	if (resplen < HFIXEDSZ) {
+		/*
+		 * Undersized message.
+		 */
+		Dprint(statp->options & RES_DEBUG,
+		       (stdout, ";; undersized: %d\n",
+			resplen));
+		*terrno = EMSGSIZE;
+		res_nclose(statp);
+		return (0);
+	}
+	if (hp->id != anhp->id) {
+		/*
+		 * response from old query, ignore it.
+		 * XXX - potential security hazard could
+		 *	 be detected here.
+		 */
+		DprintQ((statp->options & RES_DEBUG) ||
+			(statp->pfcode & RES_PRF_REPLY),
+			(stdout, ";; old answer:\n"),
+			ans, (resplen > anssiz) ? anssiz : resplen);
+		goto wait;
+	}
+	if (!(statp->options & RES_INSECURE1) &&
+	    !res_ourserver_p(statp, (struct sockaddr *)&from)) {
+		/*
+		 * response from wrong server? ignore it.
+		 * XXX - potential security hazard could
+		 *	 be detected here.
+		 */
+		DprintQ((statp->options & RES_DEBUG) ||
+			(statp->pfcode & RES_PRF_REPLY),
+			(stdout, ";; not our server:\n"),
+			ans, (resplen > anssiz) ? anssiz : resplen);
+		goto wait;
+	}
+#ifdef RES_USE_EDNS0
+	if (anhp->rcode == FORMERR && (statp->options & RES_USE_EDNS0) != 0U) {
+		/*
+		 * Do not retry if the server do not understand EDNS0.
+		 * The case has to be captured here, as FORMERR packet do not
+		 * carry query section, hence res_queriesmatch() returns 0.
+		 */
+		DprintQ(statp->options & RES_DEBUG,
+			(stdout, "server rejected query with EDNS0:\n"),
+			ans, (resplen > anssiz) ? anssiz : resplen);
+		/* record the error */
+		statp->_flags |= RES_F_EDNS0ERR;
+		res_nclose(statp);
+		return (0);
+	}
+#endif
+	if (!(statp->options & RES_INSECURE2) &&
+	    !res_queriesmatch(buf, buf + buflen,
+			      ans, ans + anssiz)) {
+		/*
+		 * response contains wrong query? ignore it.
+		 * XXX - potential security hazard could
+		 *	 be detected here.
+		 */
+		DprintQ((statp->options & RES_DEBUG) ||
+			(statp->pfcode & RES_PRF_REPLY),
+			(stdout, ";; wrong query name:\n"),
+			ans, (resplen > anssiz) ? anssiz : resplen);
+		goto wait;
+	}
+	if (anhp->rcode == SERVFAIL ||
+	    anhp->rcode == NOTIMP ||
+	    anhp->rcode == REFUSED) {
+		DprintQ(statp->options & RES_DEBUG,
+			(stdout, "server rejected query:\n"),
+			ans, (resplen > anssiz) ? anssiz : resplen);
+		res_nclose(statp);
+		/* don't retry if called from dig */
+		if (!statp->pfcode)
+			return (0);
+	}
+	if (!(statp->options & RES_IGNTC) && anhp->tc) {
+		/*
+		 * To get the rest of answer,
+		 * use TCP with same server.
+		 */
+		Dprint(statp->options & RES_DEBUG,
+		       (stdout, ";; truncated answer\n"));
+		*v_circuit = 1;
+		res_nclose(statp);
+		return (1);
+	}
+	/*
+	 * All is well, or the error is fatal.  Signal that the
+	 * next nameserver ought not be tried.
+	 */
+	return (resplen);
+}
+
+static void
+Aerror(const res_state statp, FILE *file, const char *string, int error,
+       const struct sockaddr *address, int alen)
+{
+	int save = errno;
+	char hbuf[NI_MAXHOST];
+	char sbuf[NI_MAXSERV];
+
+	alen = alen;
+
+	if ((statp->options & RES_DEBUG) != 0U) {
+		if (getnameinfo(address, alen, hbuf, sizeof(hbuf),
+		    sbuf, sizeof(sbuf), niflags)) {
+			strncpy(hbuf, "?", sizeof(hbuf) - 1);
+			hbuf[sizeof(hbuf) - 1] = '\0';
+			strncpy(sbuf, "?", sizeof(sbuf) - 1);
+			sbuf[sizeof(sbuf) - 1] = '\0';
+		}
+		fprintf(file, "res_send: %s ([%s].%s): %s\n",
+			string, hbuf, sbuf, strerror(error));
+	}
+	errno = save;
+}
+
+static void
+Perror(const res_state statp, FILE *file, const char *string, int error) {
+	int save = errno;
+
+	if ((statp->options & RES_DEBUG) != 0U)
+		fprintf(file, "res_send: %s: %s\n",
+			string, strerror(error));
+	errno = save;
+}
+
+static int
+sock_eq(struct sockaddr *a, struct sockaddr *b) {
+	struct sockaddr_in *a4, *b4;
+	struct sockaddr_in6 *a6, *b6;
+
+	if (a->sa_family != b->sa_family)
+		return 0;
+	switch (a->sa_family) {
+	case AF_INET:
+		a4 = (struct sockaddr_in *)a;
+		b4 = (struct sockaddr_in *)b;
+		return a4->sin_port == b4->sin_port &&
+		    a4->sin_addr.s_addr == b4->sin_addr.s_addr;
+	case AF_INET6:
+		a6 = (struct sockaddr_in6 *)a;
+		b6 = (struct sockaddr_in6 *)b;
+		return a6->sin6_port == b6->sin6_port &&
+#ifdef HAVE_SIN6_SCOPE_ID
+		    a6->sin6_scope_id == b6->sin6_scope_id &&
+#endif
+		    IN6_ARE_ADDR_EQUAL(&a6->sin6_addr, &b6->sin6_addr);
+	default:
+		return 0;
+	}
+}
+
+#if defined(NEED_PSELECT) && !defined(USE_POLL)
+/* XXX needs to move to the porting library. */
+static int
+pselect(int nfds, void *rfds, void *wfds, void *efds,
+	struct timespec *tsp, const sigset_t *sigmask)
+{
+	struct timeval tv, *tvp;
+	sigset_t sigs;
+	int n;
+
+	if (tsp) {
+		tvp = &tv;
+		tv = evTimeVal(*tsp);
+	} else
+		tvp = NULL;
+	if (sigmask)
+		sigprocmask(SIG_SETMASK, sigmask, &sigs);
+	n = select(nfds, rfds, wfds, efds, tvp);
+	if (sigmask)
+		sigprocmask(SIG_SETMASK, &sigs, NULL);
+	if (tsp)
+		*tsp = evTimeSpec(tv);
+	return (n);
+}
+#endif
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/res_sendsigned.c b/usr/src/lib/libresolv2_joy/common/resolv/res_sendsigned.c
new file mode 100644
index 0000000000..5ebc1a70eb
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/res_sendsigned.c
@@ -0,0 +1,170 @@
+#include "port_before.h"
+#include "fd_setsize.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+
+#include <isc/dst.h>
+
+#include <errno.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "port_after.h"
+
+#define DEBUG
+#include "res_debug.h"
+
+
+/*% res_nsendsigned */
+int
+res_nsendsigned(res_state statp, const u_char *msg, int msglen,
+		ns_tsig_key *key, u_char *answer, int anslen)
+{
+	res_state nstatp;
+	DST_KEY *dstkey;
+	int usingTCP = 0;
+	u_char *newmsg;
+	int newmsglen, bufsize, siglen;
+	u_char sig[64];
+	HEADER *hp;
+	time_t tsig_time;
+	int ret;
+	int len;
+
+	dst_init();
+
+	nstatp = (res_state) malloc(sizeof(*statp));
+	if (nstatp == NULL) {
+		errno = ENOMEM;
+		return (-1);
+	}
+	memcpy(nstatp, statp, sizeof(*statp));
+
+	bufsize = msglen + 1024;
+	newmsg = (u_char *) malloc(bufsize);
+	if (newmsg == NULL) {
+		free(nstatp);
+		errno = ENOMEM;
+		return (-1);
+	}
+	memcpy(newmsg, msg, msglen);
+	newmsglen = msglen;
+
+	if (ns_samename(key->alg, NS_TSIG_ALG_HMAC_MD5) != 1)
+		dstkey = NULL;
+	else
+		dstkey = dst_buffer_to_key(key->name, KEY_HMAC_MD5,
+					   NS_KEY_TYPE_AUTH_ONLY,
+					   NS_KEY_PROT_ANY,
+					   key->data, key->len);
+	if (dstkey == NULL) {
+		errno = EINVAL;
+		free(nstatp);
+		free(newmsg);
+		return (-1);
+	}
+
+	nstatp->nscount = 1;
+	siglen = sizeof(sig);
+	ret = ns_sign(newmsg, &newmsglen, bufsize, NOERROR, dstkey, NULL, 0,
+		      sig, &siglen, 0);
+	if (ret < 0) {
+		free (nstatp);
+		free (newmsg);
+		dst_free_key(dstkey);
+		if (ret == NS_TSIG_ERROR_NO_SPACE)
+			errno  = EMSGSIZE;
+		else if (ret == -1)
+			errno  = EINVAL;
+		return (ret);
+	}
+
+	if (newmsglen > PACKETSZ || nstatp->options & RES_USEVC)
+		usingTCP = 1;
+	if (usingTCP == 0)
+		nstatp->options |= RES_IGNTC;
+	else
+		nstatp->options |= RES_USEVC;
+	/*
+	 * Stop res_send printing the answer.
+	 */
+	nstatp->options &= ~RES_DEBUG;
+	nstatp->pfcode &= ~RES_PRF_REPLY;
+
+retry:
+
+	len = res_nsend(nstatp, newmsg, newmsglen, answer, anslen);
+	if (len < 0) {
+		free (nstatp);
+		free (newmsg);
+		dst_free_key(dstkey);
+		return (len);
+	}
+
+	ret = ns_verify(answer, &len, dstkey, sig, siglen,
+			NULL, NULL, &tsig_time, nstatp->options & RES_KEEPTSIG);
+	if (ret != 0) {
+		Dprint((statp->options & RES_DEBUG) ||
+		       ((statp->pfcode & RES_PRF_REPLY) &&
+			(statp->pfcode & RES_PRF_HEAD1)),
+		       (stdout, ";; got answer:\n"));
+
+		DprintQ((statp->options & RES_DEBUG) ||
+			(statp->pfcode & RES_PRF_REPLY),
+			(stdout, "%s", ""),
+			answer, (anslen > len) ? len : anslen);
+
+		if (ret > 0) {
+			Dprint(statp->pfcode & RES_PRF_REPLY,
+			       (stdout, ";; server rejected TSIG (%s)\n",
+				p_rcode(ret)));
+		} else {
+			Dprint(statp->pfcode & RES_PRF_REPLY,
+			       (stdout, ";; TSIG invalid (%s)\n",
+				p_rcode(-ret)));
+		}
+
+		free (nstatp);
+		free (newmsg);
+		dst_free_key(dstkey);
+		if (ret == -1)
+			errno = EINVAL;
+		else
+			errno = ENOTTY;
+		return (-1);
+	}
+
+	hp = (HEADER *) answer;
+	if (hp->tc && !usingTCP && (statp->options & RES_IGNTC) == 0U) {
+		nstatp->options &= ~RES_IGNTC;
+		usingTCP = 1;
+		goto retry;
+	}
+	Dprint((statp->options & RES_DEBUG) ||
+	       ((statp->pfcode & RES_PRF_REPLY) &&
+		(statp->pfcode & RES_PRF_HEAD1)),
+	       (stdout, ";; got answer:\n"));
+
+	DprintQ((statp->options & RES_DEBUG) ||
+		(statp->pfcode & RES_PRF_REPLY),
+		(stdout, "%s", ""),
+		answer, (anslen > len) ? len : anslen);
+
+	Dprint(statp->pfcode & RES_PRF_REPLY, (stdout, ";; TSIG ok\n"));
+
+	free (nstatp);
+	free (newmsg);
+	dst_free_key(dstkey);
+	return (len);
+}
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/common/resolv/res_update.c b/usr/src/lib/libresolv2_joy/common/resolv/res_update.c
new file mode 100644
index 0000000000..df24aee3bd
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/resolv/res_update.c
@@ -0,0 +1,213 @@
+#if !defined(lint) && !defined(SABER)
+static const char rcsid[] = "$Id: res_update.c,v 1.13 2005/04/27 04:56:43 sra Exp $";
+#endif /* not lint */
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*! \file
+ * \brief
+ * Based on the Dynamic DNS reference implementation by Viraj Bais
+ * &lt;viraj_bais@ccm.fm.intel.com>
+ */
+
+#include "port_before.h"
+
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <limits.h>
+#include <netdb.h>
+#include <res_update.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <isc/list.h>
+#include <resolv_joy.h>
+
+#include "port_after.h"
+#include "res_private.h"
+
+/*%
+ * Separate a linked list of records into groups so that all records
+ * in a group will belong to a single zone on the nameserver.
+ * Create a dynamic update packet for each zone and send it to the
+ * nameservers for that zone, and await answer.
+ * Abort if error occurs in updating any zone.
+ * Return the number of zones updated on success, < 0 on error.
+ *
+ * On error, caller must deal with the unsynchronized zones
+ * eg. an A record might have been successfully added to the forward
+ * zone but the corresponding PTR record would be missing if error
+ * was encountered while updating the reverse zone.
+ */
+
+struct zonegrp {
+	char			z_origin[MAXDNAME];
+	ns_class		z_class;
+	union res_sockaddr_union z_nsaddrs[MAXNS];
+	int			z_nscount;
+	int			z_flags;
+	LIST(ns_updrec)		z_rrlist;
+	LINK(struct zonegrp)	z_link;
+};
+
+#define ZG_F_ZONESECTADDED	0x0001
+
+/* Forward. */
+
+static void	res_dprintf(const char *, ...) ISC_FORMAT_PRINTF(1, 2);
+
+/* Macros. */
+
+#define DPRINTF(x) do {\
+		int save_errno = errno; \
+		if ((statp->options & RES_DEBUG) != 0U) res_dprintf x; \
+		errno = save_errno; \
+	} while (0)
+
+/* Public. */
+
+int
+res_nupdate(res_state statp, ns_updrec *rrecp_in, ns_tsig_key *key) {
+	ns_updrec *rrecp;
+	u_char answer[PACKETSZ];
+	u_char *packet;
+	struct zonegrp *zptr, tgrp;
+	LIST(struct zonegrp) zgrps;
+	int nzones = 0, nscount = 0, n;
+	union res_sockaddr_union nsaddrs[MAXNS];
+
+	packet = malloc(NS_MAXMSG);
+	if (packet == NULL) {
+		DPRINTF(("malloc failed"));
+		return (0);
+	}
+	/* Thread all of the updates onto a list of groups. */
+	INIT_LIST(zgrps);
+	memset(&tgrp, 0, sizeof (tgrp));
+	for (rrecp = rrecp_in; rrecp;
+	     rrecp = LINKED(rrecp, r_link) ? NEXT(rrecp, r_link) : NULL) {
+		int nscnt;
+		/* Find the origin for it if there is one. */
+		tgrp.z_class = rrecp->r_class;
+		nscnt = res_findzonecut2(statp, rrecp->r_dname, tgrp.z_class,
+					 RES_EXHAUSTIVE, tgrp.z_origin,
+					 sizeof tgrp.z_origin, 
+					 tgrp.z_nsaddrs, MAXNS);
+		if (nscnt <= 0) {
+			DPRINTF(("res_findzonecut failed (%d)", nscnt));
+			goto done;
+		}
+		tgrp.z_nscount = nscnt;
+		/* Find the group for it if there is one. */
+		for (zptr = HEAD(zgrps); zptr != NULL; zptr = NEXT(zptr, z_link))
+			if (ns_samename(tgrp.z_origin, zptr->z_origin) == 1 &&
+			    tgrp.z_class == zptr->z_class)
+				break;
+		/* Make a group for it if there isn't one. */
+		if (zptr == NULL) {
+			zptr = malloc(sizeof *zptr);
+			if (zptr == NULL) {
+				DPRINTF(("malloc failed"));
+				goto done;
+			}
+			*zptr = tgrp;
+			zptr->z_flags = 0;
+			INIT_LINK(zptr, z_link);
+			INIT_LIST(zptr->z_rrlist);
+			APPEND(zgrps, zptr, z_link);
+		}
+		/* Thread this rrecp onto the right group. */
+		APPEND(zptr->z_rrlist, rrecp, r_glink);
+	}
+
+	for (zptr = HEAD(zgrps); zptr != NULL; zptr = NEXT(zptr, z_link)) {
+		/* Construct zone section and prepend it. */
+		rrecp = res_mkupdrec(ns_s_zn, zptr->z_origin,
+				     zptr->z_class, ns_t_soa, 0);
+		if (rrecp == NULL) {
+			DPRINTF(("res_mkupdrec failed"));
+			goto done;
+		}
+		PREPEND(zptr->z_rrlist, rrecp, r_glink);
+		zptr->z_flags |= ZG_F_ZONESECTADDED;
+
+		/* Marshall the update message. */
+		n = res_nmkupdate(statp, HEAD(zptr->z_rrlist),
+				  packet, NS_MAXMSG);
+		DPRINTF(("res_mkupdate -> %d", n));
+		if (n < 0)
+			goto done;
+
+		/* Temporarily replace the resolver's nameserver set. */
+		nscount = res_getservers(statp, nsaddrs, MAXNS);
+		res_setservers(statp, zptr->z_nsaddrs, zptr->z_nscount);
+
+		/* Send the update and remember the result. */
+		if (key != NULL)
+			n = res_nsendsigned(statp, packet, n, key,
+					    answer, sizeof answer);
+		else
+			n = res_nsend(statp, packet, n, answer, sizeof answer);
+		if (n < 0) {
+			DPRINTF(("res_nsend: send error, n=%d (%s)\n",
+				 n, strerror(errno)));
+			goto done;
+		}
+		if (((HEADER *)answer)->rcode == NOERROR)
+			nzones++;
+
+		/* Restore resolver's nameserver set. */
+		res_setservers(statp, nsaddrs, nscount);
+		nscount = 0;
+	}
+ done:
+	while (!EMPTY(zgrps)) {
+		zptr = HEAD(zgrps);
+		if ((zptr->z_flags & ZG_F_ZONESECTADDED) != 0)
+			res_freeupdrec(HEAD(zptr->z_rrlist));
+		UNLINK(zgrps, zptr, z_link);
+		free(zptr);
+	}
+	if (nscount != 0)
+		res_setservers(statp, nsaddrs, nscount);
+
+	free(packet);
+	return (nzones);
+}
+
+/* Private. */
+
+static void
+res_dprintf(const char *fmt, ...) {
+	va_list ap;
+
+	va_start(ap, fmt);
+	fputs(";; res_nupdate: ", stderr);
+	vfprintf(stderr, fmt, ap);
+	fputc('\n', stderr);
+	va_end(ap);
+}
diff --git a/usr/src/lib/libresolv2_joy/common/sunw/sunw_mtctxres.c b/usr/src/lib/libresolv2_joy/common/sunw/sunw_mtctxres.c
new file mode 100644
index 0000000000..cc2a485ede
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/sunw/sunw_mtctxres.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <port_before.h>
+#include <thread.h>
+#include <errno.h>
+#include <netdb.h>
+#include <malloc.h>
+#include <string.h>
+#include <resolv_mt.h>
+#include <irs.h>
+#include <port_after.h>
+
+#pragma redefine_extname __h_errno __joy_h_errno
+
+/*
+ * much of the original version of sunw_mtxtxres.c was incorporated into
+ * ISC libbind as resolv/mtctxres.c. The following bits have not yet made
+ * it into ISC libbind.
+ */
+
+/*
+ * There used to be a private, MT-safe resolver interface that used TSD
+ * to store per-thread _res, h_errno, etc. We continue to provide the
+ * access functions __res_get_res() and __res_get_h_errno() so that binaries
+ * that used the private interface will continue to work.
+ */
+
+#ifdef	_res
+#undef	_res
+#endif
+
+extern struct __res_state	*__res_state(void);
+
+struct __res_state *
+__res_get_res(void) {
+	return (__res_state());
+}
+
+
+#ifdef	h_errno
+#undef	h_errno
+#endif
+
+extern int			*__h_errno(void);
+
+int *
+__res_get_h_errno(void) {
+	return (__h_errno());
+}
+
+
+#ifdef SUNW_HOSTS_FALLBACK
+
+/*
+ * When the name service switch calls libresolv, it doesn't want fallback
+ * to /etc/hosts, so we provide a method to turn it off.
+ */
+
+void
+__joy_res_set_no_hosts_fallback(void) {
+	___mtctxres()->no_hosts_fallback_private = 1;
+}
+
+void
+__joy_res_unset_no_hosts_fallback(void) {
+	___mtctxres()->no_hosts_fallback_private = 0;
+}
+
+int
+__res_no_hosts_fallback(void) {
+	return (___mtctxres()->no_hosts_fallback_private);
+}
+
+#endif  /* SUNW_HOSTS_FALLBACK */
+
+#ifdef	SUNW_OVERRIDE_RETRY
+
+/*
+ * The NS switch wants to be able to override the number of retries.
+ */
+
+int
+__joy_res_override_retry(int retry) {
+	___mtctxres()->retry_private = retry;
+	/*
+	 * This function doesn't really need a return value; saving the
+	 * old retry setting, and restoring it, is handled by __res_retry()
+	 * and __res_retry_reset() below. However, the nss_dns library
+	 * must have a private version of this function to be used when
+	 * running with an old libresolv. That private nss_dns function
+	 * needs a return value, and a function pointer is used to select
+	 * the right function at runtime. Thus, __res_override_retry
+	 * must have a function prototype consistent with the private
+	 * nss_dns function, i.e., one that returns an int.
+	 *
+	 * Given that we do have a return value, that value must be zero.
+	 * That's because retry_private == 0 is used to indicate that
+	 * no override retry value is in effect, and the way we expect
+	 * nss_dns to call us is:
+	 *
+	 *	int oldretry = __res_override_retry(N);
+	 *	<whatever>
+	 *	(void)__res_override_retry(old_retry);
+	 */
+	return (0);
+}
+
+int
+__res_retry(int retry) {
+	mtctxres_t	*mt = ___mtctxres();
+
+	mt->retry_save = retry;
+	return ((mt->retry_private != 0) ? mt->retry_private : retry);
+}
+
+int
+__res_retry_reset(void) {
+	mtctxres_t	*mt = ___mtctxres();
+
+	return (mt->retry_save);
+}
+
+#endif	/* SUNW_OVERRIDE_RETRY */
diff --git a/usr/src/lib/libresolv2_joy/common/sunw/sunw_updrec.c b/usr/src/lib/libresolv2_joy/common/sunw/sunw_updrec.c
new file mode 100644
index 0000000000..3b0ffc49df
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/sunw/sunw_updrec.c
@@ -0,0 +1,249 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * As of BIND 8.2.2, ISC (a) removed res_mkupdate(), res_update(), and
+ * res_mkupdrec() from what they consider the supported interface. The
+ * functions still exist, but their calling interface has changed, since
+ * the ns_updrec structure has changed.
+ *
+ * It seems probable that res_mkupdate()  etc. will return, though possibly
+ * with other changes, in some future BIND release. In order to avoid
+ * going to PSARC twice (once to remove the functions, and then again to
+ * add them back), we retain the old interface as a wrapper around the
+ * new one.
+ */
+
+#include <port_before.h>
+
+#include <malloc.h>
+#include <strings.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+
+/* get the Solaris ns_updrec before any renaming happens */
+#include <arpa/nameser.h>
+
+/* get the __ISC_ns_updrec */
+#include <res_update.h>
+
+#include <port_after.h>
+
+/* un-rename ns_updrec and res_* functions so we can wrap them */
+#undef	ns_updrec
+#undef	res_mkupdate
+#undef	res_update
+#undef	res_mkupdrec
+#undef	res_freeupdrec
+#undef	res_nmkupdate
+#undef	res_nupdate
+
+void	res_freeupdrec(ns_updrec *);
+
+static int
+old2new(ns_updrec *old, __ISC_ns_updrec *new) {
+
+	if (old->r_dname != 0) {
+		if ((new->r_dname = strdup(old->r_dname)) == 0)
+			return (-1);
+	} else {
+		new->r_dname = 0;
+	}
+
+	new->r_glink.prev =
+	new->r_glink.next =
+	new->r_link.prev  =
+	new->r_link.next  = 0;
+
+	new->r_section	= old->r_section;
+	new->r_class	= old->r_class;
+	new->r_type	= old->r_type;
+	new->r_ttl	= old->r_ttl;
+	new->r_data	= old->r_data;
+	new->r_size	= old->r_size;
+	new->r_opcode	= old->r_opcode;
+	new->r_dp	= old->r_dp;
+	new->r_deldp	= old->r_deldp;
+	new->r_zone	= old->r_zone;
+
+	return (0);
+}
+
+
+static int
+new2old(__ISC_ns_updrec *new, ns_updrec *old) {
+	/* XXX r_prev and r_next unchanged */
+	if (new->r_dname != 0) {
+		if ((old->r_dname = strdup(new->r_dname)) == 0)
+			return (-1);
+	} else {
+		old->r_dname = 0;
+	}
+	old->r_section	= new->r_section;
+	old->r_class	= new->r_class;
+	old->r_type	= new->r_type;
+	old->r_ttl	= new->r_ttl;
+	old->r_data	= new->r_data;
+	old->r_size	= new->r_size;
+	old->r_opcode	= new->r_opcode;
+	old->r_grpnext	= 0;			/* XXX */
+	old->r_dp	= new->r_dp;
+	old->r_deldp	= new->r_deldp;
+	old->r_zone	= new->r_zone;
+
+	return (0);
+}
+
+
+static void
+delete_list(__ISC_ns_updrec *list) {
+
+	__ISC_ns_updrec	*next;
+
+	for (; list != 0; list = next) {
+		next = list->r_link.next;
+		__ISC_res_freeupdrec(list);
+	}
+}
+
+
+static __ISC_ns_updrec *
+copy_list(ns_updrec *old, int do_glink) {
+
+	__ISC_ns_updrec *list = 0, *r, *p;
+
+	if (old == 0)
+		return (0);
+
+	for (p = 0; old != 0; old = old->r_next, p = r) {
+		if ((r = calloc(1, sizeof (*r))) == 0 ||
+			old2new(old, r) != 0) {
+			free(r);
+			delete_list(list);
+			return (0);
+		}
+		r->r_link.prev = p;
+		r->r_link.next = 0;
+		/* res_update and res_nupdate want r_glink set up like this */
+		if (do_glink) {
+			r->r_glink.prev = p;
+			r->r_glink.next = 0;
+		} else {
+			r->r_glink.prev = (void *)-1;
+			r->r_glink.next = (void *)-1;
+		}
+		if (p != 0) {
+			p->r_link.next = r;
+			if (do_glink) {
+				p->r_glink.next = r;
+			}
+		} else {
+			list = r;
+		}
+	}
+	return (list);
+}
+
+
+int
+res_mkupdate(ns_updrec  *rrecp_in, uchar_t *buf, int length) {
+
+	__ISC_ns_updrec	*r;
+	int		ret;
+
+	if ((r = copy_list(rrecp_in, 1)) == 0)
+		return (-1);
+
+	ret = __ISC_res_mkupdate(r, buf, length);
+
+	delete_list(r);
+
+	return (ret);
+}
+
+int
+res_nmkupdate(res_state statp, ns_updrec  *rrecp_in, uchar_t *buf, int length) {
+
+	__ISC_ns_updrec	*r;
+	int		ret;
+
+	if ((r = copy_list(rrecp_in, 1)) == 0)
+		return (-1);
+
+	ret = __ISC_res_nmkupdate(statp, r, buf, length);
+
+	delete_list(r);
+
+	return (ret);
+}
+
+
+int
+res_update(ns_updrec *rrecp_in) {
+
+	__ISC_ns_updrec	*r;
+	int		ret;
+
+	if ((r = copy_list(rrecp_in, 0)) == 0)
+		return (-1);
+
+	ret = __ISC_res_update(r);
+
+	delete_list(r);
+
+	return (ret);
+}
+
+int
+res_nupdate(res_state statp, ns_updrec *rrecp_in, ns_tsig_key *key) {
+
+	__ISC_ns_updrec	*r;
+	int		ret;
+
+	if ((r = copy_list(rrecp_in, 0)) == 0)
+		return (-1);
+
+	ret = __ISC_res_nupdate(statp, r, key);
+
+	delete_list(r);
+
+	return (ret);
+}
+
+
+
+ns_updrec *
+res_mkupdrec(int section, const char *dname, uint_t class, uint_t type,
+		uint_t ttl) {
+
+	__ISC_ns_updrec	*n;
+	ns_updrec	*o;
+
+	n = __ISC_res_mkupdrec(section, dname, class, type, ttl);
+	if (n == 0)
+		return (0);
+
+	if ((o = calloc(1, sizeof (*o))) != 0) {
+		if (new2old(n, o) != 0) {
+			res_freeupdrec(o);
+			o = 0;
+		}
+	}
+
+	__ISC_res_freeupdrec(n);
+
+	return (o);
+}
+
+
+void
+res_freeupdrec(ns_updrec *rrecp) {
+	if (rrecp == 0)
+		return;
+	/* Note: freeing r_dp is the caller's responsibility. */
+	if (rrecp->r_dname != NULL)
+		free(rrecp->r_dname);
+	free(rrecp);
+}
diff --git a/usr/src/lib/libresolv2_joy/common/sunw/sunw_wrappers.c b/usr/src/lib/libresolv2_joy/common/sunw/sunw_wrappers.c
new file mode 100644
index 0000000000..55bbe07024
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/common/sunw/sunw_wrappers.c
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <port_before.h>
+#include <resolv_joy.h>
+#include <arpa/inet.h>
+#include <port_after.h>
+
+#undef p_option
+/* extern const char * isc_p_option(); */
+const char *p_option(uint_t option) {
+	return (isc_p_option((ulong_t)option));
+}
+#pragma weak	__p_option		=	p_option
+
+#undef p_secstodate
+/* extern char * isc_p_secstodate (); */
+char *p_secstodate(uint_t secs) {
+	return (isc_p_secstodate((ulong_t)secs));
+}
+#pragma weak	__p_secstodate		=	p_secstodate
diff --git a/usr/src/lib/libresolv2_joy/i386/Makefile b/usr/src/lib/libresolv2_joy/i386/Makefile
new file mode 100644
index 0000000000..a333224278
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/i386/Makefile
@@ -0,0 +1,30 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/libresolv2_joy/include/Makefile b/usr/src/lib/libresolv2_joy/include/Makefile
new file mode 100644
index 0000000000..8bff3c3188
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/Makefile
@@ -0,0 +1,60 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include		../../../Makefile.master
+
+HDRS=		os_version.h port_ipv6.h
+TMPHDRS=	new_os_version.h new_port_ipv6.h
+
+all :=		TARGET= all
+clean :=	TARGET= clean
+clobber :=	TARGET= clobber
+install :=	TARGET= install
+
+.KEEP_STATE:
+
+all lint: $(HDRS)
+
+install: all
+
+clean:
+	$(RM) $(HDRS) $(TMPHDRS)
+
+clobber: clean
+
+# os_version.h and port_ipv6.h should be rebuilt when you change OS
+# revision. Since that's not easily expressed as a dependency, we
+# rebuild them every time.
+
+os_version.h: make_os_version FRC
+	./make_os_version
+
+port_ipv6.h: probe_ipv6 FRC
+	CC="$(CC)" ./probe_ipv6
+
+FRC:
diff --git a/usr/src/lib/libresolv2_joy/include/arpa/port_inet.h b/usr/src/lib/libresolv2_joy/include/arpa/port_inet.h
new file mode 100644
index 0000000000..5eb1787f56
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/arpa/port_inet.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ *
+ * All rights reserved.
+ */
+
+#ifndef _ARPA_PORT_INET_H
+#define	_ARPA_PORT_INET_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * these are libresolv2 functions that were made local in previous versions
+ * we rename them res_* because they conflict with libnsl or libsocket
+ */
+
+#define	inet_lnaof res_inet_lnaof  /* libsocket */
+ulong_t inet_lnaof(struct in_addr in);
+
+#define	inet_makeaddr res_inet_makeaddr  /* libsocket */
+struct in_addr inet_makeaddr(ulong_t net, ulong_t host);
+
+#define	inet_netof res_inet_netof  /* libnsl */
+ulong_t inet_netof(struct in_addr in);
+
+#define	inet_network res_inet_network  /* libsocket */
+ulong_t inet_network(register const char *cp);
+
+#ifdef	__cplusplus
+}
+#endif
+
+
+
+#endif /* _ARPA_PORT_INET_H */
diff --git a/usr/src/lib/libresolv2_joy/include/arpa/port_nameser.h b/usr/src/lib/libresolv2_joy/include/arpa/port_nameser.h
new file mode 100644
index 0000000000..b40ea0d163
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/arpa/port_nameser.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _ARPA_PORT_NAMESER_H
+#define	_ARPA_PORT_NAMESER_H
+
+/*
+ * ISC changed the ns_updrec structure. However, it's a public interface
+ * in Solaris, so we rename it here and wrap in sunw_updrec.c
+ */
+#define	ns_updrec	__ISC_ns_updrec
+
+
+/*
+ * Due to the above, the following functions need to be renamed and
+ * wrapped in sunw_updrec.c.
+ *
+ * For BIND 8.2.2, ISC removed the dynamic update functions, and the
+ * definition of the ns_updrec structure, from the public include files
+ * (<resolv.h>, <arpa/nameser.h>. However, res_update(), res_mkupdate(),
+ * and res_mkupdrec() are in the public libresolv interface in Solaris,
+ * so we can't easily remove them. Thus, ISC's new versions of res_mkupdate()
+ * etc. can't be exposed under their original names.
+ *
+ * res_nmkupdate() and res_nupdate are new. We could either change them
+ * to accept the <arpa/nameser.h> ns_updrec, or leave them unchanged and
+ * undocumented. Since ISC may change ns_updrec again, we pick the latter
+ * solution for now.
+ */
+#define	res_mkupdate	__ISC_res_mkupdate
+#define	res_update	__ISC_res_update
+#define	res_mkupdrec	__ISC_res_mkupdrec
+#define	res_freeupdrec	__ISC_res_freeupdrec
+#define	res_nmkupdate	__ISC_res_nmkupdate
+#define	res_nupdate	__ISC_res_nupdate
+
+
+#endif /* _ARPA_PORT_NAMESER_H */
diff --git a/usr/src/lib/libresolv2_joy/include/conf/sunoptions.h b/usr/src/lib/libresolv2_joy/include/conf/sunoptions.h
new file mode 100644
index 0000000000..b75ff9d878
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/conf/sunoptions.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_SUNOPTIONS_H
+#define	_SUNOPTIONS_H
+
+#define	USELOOPBACK	/* Resolver library defaults to 127.0.0.1 */
+
+/* Additions for Solaris 2 */
+
+#define	SUNW_INITCHKIF		/* Check if any non-loopback interface is up */
+#define	SUNW_CONFCHECK		/* Abort quickly if no /etc/resolv.conf or */
+				/* local named */
+#define	SUNW_HOSTS_FALLBACK	/* Configurable /etc/hosts fallback */
+#define	SUNW_HNOK_UNDERSCORE	/* Allow underscore in hostnames (libresolv) */
+#define	SUNW_MT_RESOLVER	/* MT hot extensions (libresolv) */
+#define	SUNW_SETHERRNO		/* ISC does not set h_errno in gethostbyname */
+#define	SUNW_OVERRIDE_RETRY	/* Allow NS switch to override res->retry */
+#define	SUNW_LIBMD5	/* Use md5(3EXT) instead of internal implementation */
+
+/* If compiling an MT warm libresolv, we also need reentrancy */
+#if	defined(SUNW_MT_RESOLVER) && !defined(_REENTRANT)
+#define	_REENTRANT
+#endif
+
+/* End additions for Solaris 2 */
+
+#endif /* _SUNOPTIONS_H */
diff --git a/usr/src/lib/libresolv2_joy/include/config.h b/usr/src/lib/libresolv2_joy/include/config.h
new file mode 100644
index 0000000000..35fb115a0f
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/config.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+/* config.h.  Generated from config.h.in by configure.  */
+/* #undef _SOCKADDR_LEN */
+#define HAVE_FCNTL_H 1
+/* #undef HAVE_PATHS_H */
+#define HAVE_INTTYPES_H 1
+#define HAVE_STROPTS_H 1
+/* #undef HAVE_SYS_TIMERS_H */
+#define HAVE_SYS_SELECT_H 1
+#define HAVE_MEMORY_H 1
+/* #undef SYS_CDEFS_H */
+#define _POSIX_PTHREAD_SEMANTICS 1
+#define POSIX_GETPWUID_R 1
+#define POSIX_GETPWNAM_R 1
+#define POSIX_GETGRGID_R 1
+#define POSIX_GETGRNAM_R 1
+#define HAVE_MEMMOVE 1
+#define HAVE_MEMCHR 1
+/* #undef SPRINTF_CHAR */
+/* #undef VSPRINTF_CHAR */
+#define USE_SYSERROR_LIST 1
+/* #undef NEED_STRTOUL */
+/* #undef NEED_SUN4PROTOS */
+/* #undef REENABLE_SEND */
+
+#define NEED_SETGROUPENT 1
+#define NEED_GETGROUPLIST 1
+
+/* define if prototype for getgrnam_r() is required */
+/* #undef NEED_GETGRNAM_R  */
+/* #undef NEED_GETGRGID_R  */
+/* #undef NEED_GETGRENT_R  */
+#define NEED_SETGRENT_R 1
+#define NEED_ENDGRENT_R 1
+
+#define NEED_INNETGR_R 1
+/* #undef NEED_SETNETGRENT_R */
+#define NEED_ENDNETGRENT_R 1
+
+/* #undef NEED_GETPWNAM_R */
+/* #undef NEED_GETPWUID_R */
+#define NEED_SETPWENT_R 1
+#define NEED_SETPASSENT_R 1
+#define NEED_SETPWENT_R 1
+/* #undef NEED_GETPWENT_R */
+#define NEED_ENDPWENT_R 1
+
+#define NEED_SETPASSENT 1
+
+/* #undef HAS_PW_CLASS */
+
+/* #undef ssize_t */
+/* #undef uintptr_t */
+
+/* Shut up warnings about sputaux in stdio.h on BSD/OS pre-4.1 */ 
+/* #undef SHUTUP_SPUTAUX */
+#ifdef SHUTUP_SPUTAUX
+struct __sFILE;
+extern __inline int __sputaux(int _c, struct __sFILE *_p);
+#endif
+#define BROKEN_IN6ADDR_INIT_MACROS 1
+#define HAVE_STRLCAT 1
+/* Shut up warnings about missing braces */
+/* #undef SHUTUP_MUTEX_INITIALIZER */
+#ifdef SHUTUP_MUTEX_INITIALIZER
+#define LIBBIND_MUTEX_INITIALIZER { PTHREAD_MUTEX_INITIALIZER }
+#else
+#define LIBBIND_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
+#endif
+
diff --git a/usr/src/lib/libresolv2_joy/include/err.h b/usr/src/lib/libresolv2_joy/include/err.h
new file mode 100644
index 0000000000..45992ea336
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/err.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2001 by Sun Microsystems, Inc.
+ * All rights reserved.
+ */
+
+/*-
+ * Copyright (c) 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)err.h	8.1 (Berkeley) 6/2/93
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#ifndef _ERR_H_
+#define	_ERR_H_
+
+#include <sys/cdefs.h>
+#include <stdarg.h>
+
+__BEGIN_DECLS
+__dead void	err __P((int, const char *, ...)) __attribute__((__volatile));
+__dead void	verr __P((int, const char *, va_list))
+		    __attribute__((__volatile));
+__dead void	errx __P((int, const char *, ...)) __attribute__((__volatile));
+__dead void	verrx __P((int, const char *, va_list))
+		    __attribute__((__volatile));
+void		warn __P((const char *, ...));
+void		vwarn __P((const char *, va_list));
+void		warnx __P((const char *, ...));
+void		vwarnx __P((const char *, va_list));
+__END_DECLS
+
+#endif /* !_ERR_H_ */
diff --git a/usr/src/lib/libresolv2_joy/include/fd_setsize.h b/usr/src/lib/libresolv2_joy/include/fd_setsize.h
new file mode 100644
index 0000000000..0e21049742
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/fd_setsize.h
@@ -0,0 +1,10 @@
+#ifndef _FD_SETSIZE_H
+#define _FD_SETSIZE_H
+
+/*%
+ * If you need a bigger FD_SETSIZE, this is NOT the place to set it.
+ * This file is a fallback for BIND ports which don't specify their own.
+ */
+
+#endif /* _FD_SETSIZE_H */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/include/hesiod.h b/usr/src/lib/libresolv2_joy/include/hesiod.h
new file mode 100644
index 0000000000..d64c0c5e80
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/hesiod.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*! \file 
+ * \brief
+ * This file is primarily maintained by <tytso@mit.edu> and <ghudson@mit.edu>.
+ */
+
+/*
+ * $Id: hesiod.h,v 1.4 2005/04/27 04:56:14 sra Exp $
+ */
+
+#ifndef _HESIOD_H_INCLUDED
+#define _HESIOD_H_INCLUDED
+
+int		hesiod_init __P((void **));
+void		hesiod_end __P((void *));
+char *		hesiod_to_bind __P((void *, const char *, const char *));
+char **		hesiod_resolve __P((void *, const char *, const char *));
+void		hesiod_free_list __P((void *, char **));
+struct __res_state * __hesiod_res_get __P((void *));
+void		__hesiod_res_set __P((void *, struct __res_state *,
+				      void (*)(void *)));
+
+#endif /*_HESIOD_H_INCLUDED*/
diff --git a/usr/src/lib/libresolv2_joy/include/irp.h b/usr/src/lib/libresolv2_joy/include/irp.h
new file mode 100644
index 0000000000..1290bd068f
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/irp.h
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id: irp.h,v 1.4 2005/04/27 04:56:15 sra Exp $
+ */
+
+#ifndef _IRP_H_INCLUDED
+#define _IRP_H_INCLUDED
+
+/*! \file */
+
+#define IRPD_TIMEOUT 30			/*%< seconds */
+#define IRPD_MAXSESS 50			/*%< number of simultaneous sessions. */
+#define IRPD_PORT 6660			/*%< 10 times the number of the beast. */
+#define IRPD_PATH "/var/run/irpd"	/*%< af_unix socket path */
+
+/* If sets the environment variable IRPDSERVER to an IP address
+   (e.g. "192.5.5.1"), then that's the host the client expects irpd to be
+   running on. */
+#define IRPD_HOST_ENV "IRPDSERVER"
+
+/* Protocol response codes.  */
+#define IRPD_WELCOME_CODE 200
+#define IRPD_NOT_WELCOME_CODE 500
+
+#define IRPD_GETHOST_ERROR 510
+#define IRPD_GETHOST_NONE 210
+#define IRPD_GETHOST_OK 211
+#define IRPD_GETHOST_SETOK 212
+
+#define IRPD_GETNET_ERROR 520
+#define IRPD_GETNET_NONE 220
+#define IRPD_GETNET_OK 221
+#define IRPD_GETNET_SETOK 222
+
+#define IRPD_GETUSER_ERROR 530
+#define IRPD_GETUSER_NONE 230
+#define IRPD_GETUSER_OK 231
+#define IRPD_GETUSER_SETOK 232
+
+#define IRPD_GETGROUP_ERROR 540
+#define IRPD_GETGROUP_NONE 240
+#define IRPD_GETGROUP_OK 241
+#define IRPD_GETGROUP_SETOK 242
+
+#define IRPD_GETSERVICE_ERROR 550
+#define IRPD_GETSERVICE_NONE 250
+#define IRPD_GETSERVICE_OK 251
+#define IRPD_GETSERVICE_SETOK 252
+
+#define IRPD_GETPROTO_ERROR 560
+#define IRPD_GETPROTO_NONE 260
+#define IRPD_GETPROTO_OK 261
+#define IRPD_GETPROTO_SETOK 262
+
+#define IRPD_GETNETGR_ERROR 570
+#define IRPD_GETNETGR_NONE 270
+#define IRPD_GETNETGR_OK 271
+#define IRPD_GETNETGR_NOMORE 272
+#define IRPD_GETNETGR_MATCHES 273
+#define IRPD_GETNETGR_NOMATCH 274
+#define IRPD_GETNETGR_SETOK 275
+#define IRPD_GETNETGR_SETERR 276
+
+#define	irs_irp_read_body __irs_irp_read_body
+#define irs_irp_read_response __irs_irp_read_response
+#define irs_irp_disconnect __irs_irp_disconnect
+#define irs_irp_connect __irs_irp_connect
+#define irs_irp_connection_setup __irs_irp_connection_setup
+#define irs_irp_send_command __irs_irp_send_command
+
+struct irp_p;
+
+char   *irs_irp_read_body(struct irp_p *, size_t *);
+int	irs_irp_read_response(struct irp_p *, char *, size_t);
+void	irs_irp_disconnect(struct irp_p *);
+int	irs_irp_connect(struct irp_p *);
+int	irs_irp_is_connected(struct irp_p *);
+int	irs_irp_connection_setup(struct irp_p *, int *);
+#ifdef __GNUC__
+int	irs_irp_send_command(struct irp_p *, const char *, ...)
+			     __attribute__((__format__(__printf__, 2, 3)));
+#else
+int	irs_irp_send_command(struct irp_p *, const char *, ...);
+#endif
+int	irs_irp_get_full_response(struct irp_p *, int *, char *, size_t,
+				  char **, size_t *);
+int	irs_irp_read_line(struct irp_p *, char *, int);
+
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/include/irs.h b/usr/src/lib/libresolv2_joy/include/irs.h
new file mode 100644
index 0000000000..386e3cb3f6
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/irs.h
@@ -0,0 +1,348 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id: irs.h,v 1.5 2005/04/27 04:56:15 sra Exp $
+ */
+
+#ifndef _IRS_H_INCLUDED
+#define _IRS_H_INCLUDED
+
+/*! \file */
+
+#include <sys/types.h>
+
+#include <arpa/nameser.h>
+
+#include <grp.h>
+#include <netdb.h>
+#include <resolv_joy.h>
+#include <pwd.h>
+
+/*%
+ * This is the group map class.
+ */
+struct irs_gr {
+	void *		private;
+	void		(*close) __P((struct irs_gr *));
+	struct group *	(*next) __P((struct irs_gr *));
+	struct group *	(*byname) __P((struct irs_gr *, const char *));
+	struct group *	(*bygid) __P((struct irs_gr *, gid_t));
+	int		(*list) __P((struct irs_gr *, const char *,
+				     gid_t, gid_t *, int *));
+	void		(*rewind) __P((struct irs_gr *));
+	void		(*minimize) __P((struct irs_gr *));
+	struct __res_state * (*res_get) __P((struct irs_gr *));
+	void		(*res_set) __P((struct irs_gr *, res_state,
+					void (*)(void *)));
+};
+
+/*%
+ * This is the password map class.
+ */
+struct irs_pw {
+	void *		private;
+	void		(*close) __P((struct irs_pw *));
+	struct passwd *	(*next) __P((struct irs_pw *));
+	struct passwd *	(*byname) __P((struct irs_pw *, const char *));
+	struct passwd *	(*byuid) __P((struct irs_pw *, uid_t));
+	void		(*rewind) __P((struct irs_pw *));
+	void		(*minimize) __P((struct irs_pw *));
+	struct __res_state * (*res_get) __P((struct irs_pw *));
+	void		(*res_set) __P((struct irs_pw *, res_state,
+					void (*)(void *)));
+};
+
+/*%
+ * This is the service map class.
+ */
+struct irs_sv {
+	void *		private;
+	void		(*close) __P((struct irs_sv *));
+	struct servent *(*byname) __P((struct irs_sv *,
+				       const char *, const char *));
+	struct servent *(*byport) __P((struct irs_sv *, int, const char *));
+	struct servent *(*next) __P((struct irs_sv *));
+	void		(*rewind) __P((struct irs_sv *));
+	void		(*minimize) __P((struct irs_sv *));
+	struct __res_state * (*res_get) __P((struct irs_sv *));
+	void		(*res_set) __P((struct irs_sv *, res_state,
+					void (*)(void *)));
+};
+
+/*%
+ * This is the protocols map class.
+ */
+struct irs_pr {
+	void *		private;
+	void		(*close) __P((struct irs_pr *));
+	struct protoent	*(*byname) __P((struct irs_pr *, const char *));
+	struct protoent	*(*bynumber) __P((struct irs_pr *, int));
+	struct protoent	*(*next) __P((struct irs_pr *));
+	void		(*rewind) __P((struct irs_pr *));
+	void		(*minimize) __P((struct irs_pr *));
+	struct __res_state * (*res_get) __P((struct irs_pr *));
+	void		(*res_set) __P((struct irs_pr *, res_state,
+					void (*)(void *)));
+};
+
+/*%
+ * This is the hosts map class.
+ */
+struct irs_ho {
+	void *		private;
+	void		(*close) __P((struct irs_ho *));
+	struct hostent *(*byname) __P((struct irs_ho *, const char *));
+	struct hostent *(*byname2) __P((struct irs_ho *, const char *, int));
+	struct hostent *(*byaddr) __P((struct irs_ho *,
+				       const void *, int, int));
+	struct hostent *(*next) __P((struct irs_ho *));
+	void		(*rewind) __P((struct irs_ho *));
+	void		(*minimize) __P((struct irs_ho *));
+	struct __res_state * (*res_get) __P((struct irs_ho *));
+	void		(*res_set) __P((struct irs_ho *, res_state,
+					void (*)(void *)));
+	struct addrinfo *(*addrinfo) __P((struct irs_ho *, const char *,
+					  const struct addrinfo *));
+};
+
+/*%
+ * This is the networks map class.
+ */
+struct irs_nw {
+	void *		private;
+	void		(*close) __P((struct irs_nw *));
+	struct nwent *	(*byname) __P((struct irs_nw *, const char *, int));
+	struct nwent *	(*byaddr) __P((struct irs_nw *, void *, int, int));
+	struct nwent *	(*next) __P((struct irs_nw *));
+	void		(*rewind) __P((struct irs_nw *));
+	void		(*minimize) __P((struct irs_nw *));
+	struct __res_state * (*res_get) __P((struct irs_nw *));
+	void		(*res_set) __P((struct irs_nw *, res_state,
+					void (*)(void *)));
+};
+
+/*%
+ * This is the netgroups map class.
+ */
+struct irs_ng {
+	void *		private;
+	void		(*close) __P((struct irs_ng *));
+	int		(*next) __P((struct irs_ng *, const char **,
+				     const char **, const char **));
+	int		(*test) __P((struct irs_ng *, const char *,
+				     const char *, const char *,
+				     const char *));
+	void		(*rewind) __P((struct irs_ng *, const char *));
+	void		(*minimize) __P((struct irs_ng *));
+};
+
+/*%
+ * This is the generic map class, which copies the front of all others.
+ */
+struct irs_map {
+	void *		private;
+	void		(*close) __P((void *));
+};
+
+/*%
+ * This is the accessor class.  It contains pointers to all of the
+ * initializers for the map classes for a particular accessor.
+ */
+struct irs_acc {
+	void *		private;
+	void		(*close) __P((struct irs_acc *));
+	struct irs_gr *	(*gr_map) __P((struct irs_acc *));
+	struct irs_pw *	(*pw_map) __P((struct irs_acc *));
+	struct irs_sv *	(*sv_map) __P((struct irs_acc *));
+	struct irs_pr *	(*pr_map) __P((struct irs_acc *));
+	struct irs_ho *	(*ho_map) __P((struct irs_acc *));
+	struct irs_nw *	(*nw_map) __P((struct irs_acc *));
+	struct irs_ng *	(*ng_map) __P((struct irs_acc *));
+	struct __res_state * (*res_get) __P((struct irs_acc *));
+	void		(*res_set) __P((struct irs_acc *, res_state,
+					void (*)(void *)));
+};
+
+/*%
+ * This is because the official definition of "struct netent" has no
+ * concept of CIDR even though it allows variant address families (on
+ * output but not input).  The compatibility stubs convert the structs
+ * below into "struct netent"'s.
+ */
+struct nwent {
+	char		*n_name;	/*%< official name of net */
+	char		**n_aliases;	/*%< alias list */
+	int		n_addrtype;	/*%< net address type */
+	void		*n_addr;	/*%< network address */
+	int		n_length;	/*%< address length, in bits */
+};
+
+/*%
+ * Hide external function names from POSIX.
+ */
+#define	irs_gen_acc	__irs_gen_acc
+#define	irs_lcl_acc	__irs_lcl_acc
+#define	irs_dns_acc	__irs_dns_acc
+#define	irs_nis_acc	__irs_nis_acc
+#define	irs_irp_acc	__irs_irp_acc
+#define	irs_destroy	__irs_destroy
+#define	irs_dns_gr	__irs_dns_gr
+#define	irs_dns_ho	__irs_dns_ho
+#define	irs_dns_nw	__irs_dns_nw
+#define	irs_dns_pr	__irs_dns_pr
+#define	irs_dns_pw	__irs_dns_pw
+#define	irs_dns_sv	__irs_dns_sv
+#define	irs_gen_gr	__irs_gen_gr
+#define	irs_gen_ho	__irs_gen_ho
+#define	irs_gen_ng	__irs_gen_ng
+#define	irs_gen_nw	__irs_gen_nw
+#define	irs_gen_pr	__irs_gen_pr
+#define	irs_gen_pw	__irs_gen_pw
+#define	irs_gen_sv	__irs_gen_sv
+#define	irs_irp_get_full_response	__irs_irp_get_full_response
+#define	irs_irp_gr	__irs_irp_gr
+#define	irs_irp_ho	__irs_irp_ho
+#define	irs_irp_is_connected	__irs_irp_is_connected
+#define	irs_irp_ng	__irs_irp_ng
+#define	irs_irp_nw	__irs_irp_nw
+#define	irs_irp_pr	__irs_irp_pr
+#define	irs_irp_pw	__irs_irp_pw
+#define	irs_irp_read_line	__irs_irp_read_line
+#define	irs_irp_sv	__irs_irp_sv
+#define	irs_lcl_gr	__irs_lcl_gr
+#define	irs_lcl_ho	__irs_lcl_ho
+#define	irs_lcl_ng	__irs_lcl_ng
+#define	irs_lcl_nw	__irs_lcl_nw
+#define	irs_lcl_pr	__irs_lcl_pr
+#define	irs_lcl_pw	__irs_lcl_pw
+#define	irs_lcl_sv	__irs_lcl_sv
+#define	irs_nis_gr	__irs_nis_gr
+#define	irs_nis_ho	__irs_nis_ho
+#define	irs_nis_ng	__irs_nis_ng
+#define	irs_nis_nw	__irs_nis_nw
+#define	irs_nis_pr	__irs_nis_pr
+#define	irs_nis_pw	__irs_nis_pw
+#define	irs_nis_sv	__irs_nis_sv
+#define	net_data_create	__net_data_create
+#define	net_data_destroy	__net_data_destroy
+#define	net_data_minimize	__net_data_minimize
+
+/*%
+ * Externs.
+ */
+extern struct irs_acc *	irs_gen_acc __P((const char *, const char *));
+extern struct irs_acc *	irs_lcl_acc __P((const char *));
+extern struct irs_acc *	irs_dns_acc __P((const char *));
+extern struct irs_acc *	irs_nis_acc __P((const char *));
+extern struct irs_acc *	irs_irp_acc __P((const char *));
+
+extern void		irs_destroy __P((void));
+
+/*%
+ * These forward declarations are for the semi-private functions in
+ * the get*.c files. Each of these funcs implements the real get*
+ * functionality and the standard versions are just wrappers that
+ * call these. Apart from the wrappers, only irpd is expected to
+ * call these directly, hence these decls are put here and not in
+ * the /usr/include replacements.
+ */
+
+struct net_data;			/*%< forward */
+/*
+ * net_data_create gets a singleton net_data object.  net_data_init
+ * creates as many net_data objects as times it is called.  Clients using
+ * the default interface will use net_data_create by default.  Servers will
+ * probably want net_data_init (one call per client)
+ */
+struct net_data *net_data_create __P((const char *));
+struct net_data *net_data_init __P((const char *));
+void		net_data_destroy __P((void *));
+	
+extern struct group    *getgrent_p __P((struct net_data *));
+extern struct group    *getgrnam_p __P((const char *, struct net_data *));
+extern struct group    *getgrgid_p __P((gid_t, struct net_data *));
+extern int 		setgroupent_p __P((int, struct net_data *));
+extern void 		endgrent_p __P((struct net_data *));
+extern int		getgrouplist_p __P((const char *, gid_t, gid_t *, int *,
+					    struct net_data *));
+
+#ifdef SETGRENT_VOID
+extern void 		setgrent_p __P((struct net_data *));
+#else
+extern int 		setgrent_p __P((struct net_data *));
+#endif
+
+extern struct hostent 	*gethostbyname_p __P((const char *,
+					      struct net_data *));
+extern struct hostent 	*gethostbyname2_p __P((const char *, int,
+					       struct net_data *));
+extern struct hostent 	*gethostbyaddr_p __P((const char *, int, int,
+					      struct net_data *));
+extern struct hostent 	*gethostent_p __P((struct net_data *));
+extern void 		sethostent_p __P((int, struct net_data *));
+extern void 		endhostent_p __P((struct net_data *));
+extern struct hostent 	*getipnodebyname_p __P((const char *, int, int, int *,
+					       struct net_data *));
+extern struct hostent 	*getipnodebyaddr_p __P((const void *, size_t,
+					      int, int *, struct net_data *));
+
+extern struct netent 	*getnetent_p __P((struct net_data *));
+extern struct netent 	*getnetbyname_p __P((const char *, struct net_data *));
+extern struct netent 	*getnetbyaddr_p __P((unsigned long, int,
+					     struct net_data *));
+extern void		setnetent_p __P((int, struct net_data *));
+extern void		endnetent_p __P((struct net_data *));
+
+extern void		setnetgrent_p __P((const char *, struct net_data *));
+extern void		endnetgrent_p __P((struct net_data *));
+extern int		innetgr_p __P((const char *, const char *, const char *,
+				       const char *, struct net_data *));
+extern int		getnetgrent_p __P((const char **, const char **,
+					   const char **, struct net_data *));
+
+extern struct protoent  *getprotoent_p __P((struct net_data *));
+extern struct protoent  *getprotobyname_p __P((const char *,
+					       struct net_data *));
+extern struct protoent	*getprotobynumber_p __P((int, struct net_data *));
+extern void		setprotoent_p __P((int, struct net_data *));
+extern void		endprotoent_p __P((struct net_data *));
+
+
+extern struct passwd 	*getpwent_p __P((struct net_data *));
+extern struct passwd 	*getpwnam_p __P((const char *, struct net_data *));
+extern struct passwd 	*getpwuid_p __P((uid_t, struct net_data *));
+extern int		setpassent_p __P((int, struct net_data *));
+extern void		endpwent_p __P((struct net_data *));
+
+#ifdef SETPWENT_VOID
+extern void		setpwent_p __P((struct net_data *));
+#else
+extern int		setpwent_p __P((struct net_data *));
+#endif
+
+extern struct servent 	*getservent_p __P((struct net_data *));
+extern struct servent 	*getservbyname_p __P((const char *, const char *,
+					      struct net_data *));
+extern struct servent 	*getservbyport_p __P((int, const char *,
+					      struct net_data *));
+extern void		setservent_p __P((int, struct net_data *));
+extern void		endservent_p __P((struct net_data *));
+
+#endif /*_IRS_H_INCLUDED*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/include/isc/assertions.h b/usr/src/lib/libresolv2_joy/include/isc/assertions.h
new file mode 100644
index 0000000000..68925e73b3
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/isc/assertions.h
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2004, 2005, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1997-2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id: assertions.h,v 1.5 2008/11/14 02:36:51 marka Exp $
+ */
+
+#ifndef ASSERTIONS_H
+#define ASSERTIONS_H		1
+
+typedef enum {
+	assert_require, assert_ensure, assert_insist, assert_invariant
+} assertion_type;
+
+typedef void (*assertion_failure_callback)(const char *, int, assertion_type,
+					   const char *, int);
+
+/* coverity[+kill] */
+extern assertion_failure_callback __assertion_failed;
+void set_assertion_failure_callback(assertion_failure_callback f);
+const char *assertion_type_to_text(assertion_type type);
+
+#if defined(CHECK_ALL) || defined(__COVERITY__)
+#define CHECK_REQUIRE		1
+#define CHECK_ENSURE		1
+#define CHECK_INSIST		1
+#define CHECK_INVARIANT		1
+#endif
+
+#if defined(CHECK_NONE) && !defined(__COVERITY__)
+#define CHECK_REQUIRE		0
+#define CHECK_ENSURE		0
+#define CHECK_INSIST		0
+#define CHECK_INVARIANT		0
+#endif
+
+#ifndef CHECK_REQUIRE
+#define CHECK_REQUIRE		1
+#endif
+
+#ifndef CHECK_ENSURE
+#define CHECK_ENSURE		1
+#endif
+
+#ifndef CHECK_INSIST
+#define CHECK_INSIST		1
+#endif
+
+#ifndef CHECK_INVARIANT
+#define CHECK_INVARIANT		1
+#endif
+
+#if CHECK_REQUIRE != 0
+#define REQUIRE(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_require, \
+				       #cond, 0), 0)))
+#define REQUIRE_ERR(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_require, \
+				       #cond, 1), 0)))
+#else
+#define REQUIRE(cond)		((void) (cond))
+#define REQUIRE_ERR(cond)	((void) (cond))
+#endif /* CHECK_REQUIRE */
+
+#if CHECK_ENSURE != 0
+#define ENSURE(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_ensure, \
+				       #cond, 0), 0)))
+#define ENSURE_ERR(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_ensure, \
+				       #cond, 1), 0)))
+#else
+#define ENSURE(cond)		((void) (cond))
+#define ENSURE_ERR(cond)	((void) (cond))
+#endif /* CHECK_ENSURE */
+
+#if CHECK_INSIST != 0
+#define INSIST(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_insist, \
+				       #cond, 0), 0)))
+#define INSIST_ERR(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_insist, \
+				       #cond, 1), 0)))
+#else
+#define INSIST(cond)		((void) (cond))
+#define INSIST_ERR(cond)	((void) (cond))
+#endif /* CHECK_INSIST */
+
+#if CHECK_INVARIANT != 0
+#define INVARIANT(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_invariant, \
+				       #cond, 0), 0)))
+#define INVARIANT_ERR(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_invariant, \
+				       #cond, 1), 0)))
+#else
+#define INVARIANT(cond)		((void) (cond))
+#define INVARIANT_ERR(cond)	((void) (cond))
+#endif /* CHECK_INVARIANT */
+#endif /* ASSERTIONS_H */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/include/isc/ctl.h b/usr/src/lib/libresolv2_joy/include/isc/ctl.h
new file mode 100644
index 0000000000..e2ba20201d
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/isc/ctl.h
@@ -0,0 +1,112 @@
+#ifndef ISC_CTL_H
+#define ISC_CTL_H
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1998,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id: ctl.h,v 1.5 2005/04/27 04:56:17 sra Exp $
+ */
+
+/*! \file */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <isc/eventlib.h>
+
+/* Macros. */
+
+#define	CTL_MORE	0x0001	/*%< More will be / should be sent. */
+#define	CTL_EXIT	0x0002	/*%< Close connection after this. */
+#define	CTL_DATA	0x0004	/*%< Go into / this is DATA mode. */
+/* Types. */
+
+struct ctl_cctx;
+struct ctl_sctx;
+struct ctl_sess;
+struct ctl_verb;
+
+enum ctl_severity { ctl_debug, ctl_warning, ctl_error };
+
+typedef void (*ctl_logfunc)(enum ctl_severity, const char *, ...);
+
+typedef void (*ctl_verbfunc)(struct ctl_sctx *, struct ctl_sess *,
+			     const struct ctl_verb *, const char *,
+			     u_int, const void *, void *);
+
+typedef void (*ctl_srvrdone)(struct ctl_sctx *, struct ctl_sess *, void *);
+
+typedef void (*ctl_clntdone)(struct ctl_cctx *, void *, const char *, u_int);
+
+struct ctl_verb {
+	const char *	name;
+	ctl_verbfunc	func;
+	const char *	help;
+};
+
+/* General symbols. */
+
+#define	ctl_logger	__ctl_logger
+
+#ifdef __GNUC__
+void			ctl_logger(enum ctl_severity, const char *, ...)
+				__attribute__((__format__(__printf__, 2, 3)));
+#else
+void			ctl_logger(enum ctl_severity, const char *, ...);
+#endif
+
+/* Client symbols. */
+
+#define	ctl_client	__ctl_client
+#define	ctl_endclient	__ctl_endclient
+#define	ctl_command	__ctl_command
+
+struct ctl_cctx *	ctl_client(evContext, const struct sockaddr *, size_t,
+				   const struct sockaddr *, size_t,
+				   ctl_clntdone, void *,
+				   u_int, ctl_logfunc);
+void			ctl_endclient(struct ctl_cctx *);
+int			ctl_command(struct ctl_cctx *, const char *, size_t,
+				    ctl_clntdone, void *);
+
+/* Server symbols. */
+
+#define	ctl_server	__ctl_server
+#define	ctl_endserver	__ctl_endserver
+#define	ctl_response	__ctl_response
+#define	ctl_sendhelp	__ctl_sendhelp
+#define ctl_getcsctx	__ctl_getcsctx
+#define ctl_setcsctx	__ctl_setcsctx
+
+struct ctl_sctx *	ctl_server(evContext, const struct sockaddr *, size_t,
+				   const struct ctl_verb *,
+				   u_int, u_int,
+				   u_int, int, int,
+				   ctl_logfunc, void *);
+void			ctl_endserver(struct ctl_sctx *);
+void			ctl_response(struct ctl_sess *, u_int,
+				     const char *, u_int, const void *,
+				     ctl_srvrdone, void *,
+				     const char *, size_t);
+void			ctl_sendhelp(struct ctl_sess *, u_int);
+void *			ctl_getcsctx(struct ctl_sess *);
+void *			ctl_setcsctx(struct ctl_sess *, void *);
+
+#endif /*ISC_CTL_H*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/include/isc/dst.h b/usr/src/lib/libresolv2_joy/include/isc/dst.h
new file mode 100644
index 0000000000..90a9e67468
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/isc/dst.h
@@ -0,0 +1,168 @@
+#ifndef DST_H
+#define DST_H
+
+#ifndef HAS_DST_KEY
+typedef struct dst_key {
+	char	*dk_key_name;   /*%< name of the key */
+	int	dk_key_size;    /*%< this is the size of the key in bits */
+	int	dk_proto;       /*%< what protocols this key can be used for */
+	int	dk_alg;         /*%< algorithm number from key record */
+	u_int32_t dk_flags;     /*%< and the flags of the public key */
+	u_int16_t dk_id;        /*%< identifier of the key */
+} DST_KEY;
+#endif /* HAS_DST_KEY */
+/*
+ * do not taint namespace
+ */
+#define	dst_bsafe_init		__dst_bsafe_init
+#define	dst_buffer_to_key	__dst_buffer_to_key
+#define	dst_check_algorithm	__dst_check_algorithm
+#define	dst_compare_keys	__dst_compare_keys
+#define	dst_cylink_init		__dst_cylink_init
+#define	dst_dnskey_to_key	__dst_dnskey_to_key
+#define	dst_eay_dss_init	__dst_eay_dss_init
+#define	dst_free_key		__dst_free_key
+#define	dst_generate_key	__dst_generate_key
+#define	dst_hmac_md5_init	__dst_hmac_md5_init
+#define	dst_init		__dst_init
+#define	dst_key_to_buffer	__dst_key_to_buffer
+#define	dst_key_to_dnskey	__dst_key_to_dnskey
+#define	dst_read_key		__dst_read_key
+#define	dst_rsaref_init		__dst_rsaref_init
+#define	dst_s_build_filename	__dst_s_build_filename
+#define	dst_s_calculate_bits	__dst_s_calculate_bits
+#define	dst_s_conv_bignum_b64_to_u8	__dst_s_conv_bignum_b64_to_u8
+#define	dst_s_conv_bignum_u8_to_b64	__dst_s_conv_bignum_u8_to_b64
+#define	dst_s_dns_key_id	__dst_s_dns_key_id
+#define	dst_s_dump		__dst_s_dump
+#define	dst_s_filename_length	__dst_s_filename_length
+#define	dst_s_fopen		__dst_s_fopen
+#define	dst_s_get_int16		__dst_s_get_int16
+#define	dst_s_get_int32		__dst_s_get_int32
+#define	dst_s_id_calc		__dst_s_id_calc
+#define	dst_s_put_int16		__dst_s_put_int16
+#define	dst_s_put_int32		__dst_s_put_int32
+#define	dst_s_quick_random	__dst_s_quick_random
+#define	dst_s_quick_random_set	__dst_s_quick_random_set
+#define	dst_s_random		__dst_s_random
+#define	dst_s_semi_random	__dst_s_semi_random
+#define	dst_s_verify_str	__dst_s_verify_str
+#define	dst_sig_size		__dst_sig_size
+#define	dst_sign_data		__dst_sign_data
+#define	dst_verify_data		__dst_verify_data
+#define	dst_write_key		__dst_write_key
+
+/* 
+ * DST Crypto API defintions 
+ */
+void     dst_init(void);
+int      dst_check_algorithm(const int);
+
+
+int dst_sign_data(const int,	 	/*!<   specifies INIT/UPDATE/FINAL/ALL  */
+		  DST_KEY *,	 	/*!<   the key to use  */
+		  void **,	 	/*!<   pointer to state structure  */
+		  const u_char *,	/*!<   data to be signed  */
+		  const int,	 	/*!<   length of input data  */
+		  u_char *,	 	/*!<   buffer to write signature to  */
+		  const int);	 	/*!<   size of output buffer  */
+int dst_verify_data(const int,	 	/*!<   specifies INIT/UPDATE/FINAL/ALL  */
+		    DST_KEY *,	 	/*!<   the key to use  */
+		    void **,	 	/*!<   pointer to state structure  */
+		    const u_char *,	/*!<   data to be verified  */
+		    const int,	 	/*!<   length of input data  */
+		    const u_char *,	/*!<   buffer containing signature  */
+		    const int);	 	/*!<   length of signature  */
+DST_KEY *dst_read_key(const char *,	/*!<   name of key  */
+		      const u_int16_t,	/*!<   key tag identifier  */
+		      const int,	/*!<   key algorithm  */
+		      const int);	/*!<   Private/PublicKey wanted */
+int      dst_write_key(const DST_KEY *,	/*!<   key to write out  */
+		       const int); 	/*!<   Public/Private  */
+DST_KEY *dst_dnskey_to_key(const char *,	/*!<   KEY record name  */
+			   const u_char *,	/*!<   KEY RDATA  */
+			   const int);		/*!<   size of input buffer */
+int      dst_key_to_dnskey(const DST_KEY *,	/*!<   key to translate  */
+			   u_char *,		/*!<   output buffer  */
+			   const int);		/*!<   size of out_storage */
+DST_KEY *dst_buffer_to_key(const char *,  	/*!<   name of the key  */
+			   const int,	  	/*!<   algorithm  */
+			   const int,	  	/*!<   dns flags  */
+			   const int,	  	/*!<   dns protocol  */
+			   const u_char *, 	/*!<   key in dns wire fmt  */
+			   const int);	  	/*!<   size of key  */
+int     dst_key_to_buffer(DST_KEY *, u_char *, int);
+
+DST_KEY *dst_generate_key(const char *,    	/*!<   name of new key  */
+			  const int,       	/*!<   key algorithm to generate  */
+			  const int,      	/*!<   size of new key  */
+			  const int,       	/*!<   alg dependent parameter */
+			  const int,     	/*!<   key DNS flags  */
+			  const int);		/*!<   key DNS protocol  */
+DST_KEY *dst_free_key(DST_KEY *);
+int      dst_compare_keys(const DST_KEY *, const DST_KEY *);
+
+int	dst_sig_size(DST_KEY *);
+
+
+/* support for dns key tags/ids */
+u_int16_t dst_s_dns_key_id(const u_char *, const int);
+u_int16_t dst_s_id_calc(const u_char *, const int);
+
+/* Used by callers as well as by the library.  */
+#define RAW_KEY_SIZE    8192        /*%< large enough to store any key */
+/* DST_API control flags */
+/* These are used used in functions dst_sign_data and dst_verify_data */
+#define SIG_MODE_INIT		1  /*%< initialize digest */
+#define SIG_MODE_UPDATE		2  /*%< add data to digest */
+#define SIG_MODE_FINAL		4  /*%< generate/verify signature */
+#define SIG_MODE_ALL		(SIG_MODE_INIT|SIG_MODE_UPDATE|SIG_MODE_FINAL)
+
+/* Flags for dst_read_private_key()  */
+#define DST_FORCE_READ		0x1000000
+#define DST_CAN_SIGN		0x010F
+#define DST_NO_AUTHEN		0x8000
+#define DST_EXTEND_FLAG         0x1000
+#define DST_STANDARD		0
+#define DST_PRIVATE             0x2000000
+#define DST_PUBLIC              0x4000000
+#define DST_RAND_SEMI           1
+#define DST_RAND_STD            2
+#define DST_RAND_KEY            3
+#define DST_RAND_DSS            4
+
+
+/* DST algorithm codes */
+#define KEY_RSA			1
+#define KEY_DH			2
+#define KEY_DSA			3
+#define KEY_PRIVATE		254
+#define KEY_EXPAND		255
+#define KEY_HMAC_MD5		157
+#define KEY_HMAC_SHA1		158
+#define UNKNOWN_KEYALG		0
+#define DST_MAX_ALGS            KEY_HMAC_SHA1
+
+/* DST constants to locations in KEY record  changes in new KEY record */
+#define DST_FLAGS_SIZE		2
+#define DST_KEY_PROT		2
+#define DST_KEY_ALG		3
+#define DST_EXT_FLAG            4
+#define DST_KEY_START		4
+
+#ifndef SIGN_F_NOKEY 
+#define SIGN_F_NOKEY		0xC000
+#endif
+
+/* error codes from dst routines */
+#define SIGN_INIT_FAILURE	(-23)
+#define SIGN_UPDATE_FAILURE	(-24)
+#define SIGN_FINAL_FAILURE	(-25)
+#define VERIFY_INIT_FAILURE	(-26)
+#define VERIFY_UPDATE_FAILURE	(-27)
+#define VERIFY_FINAL_FAILURE	(-28)
+#define MISSING_KEY_OR_SIGNATURE (-30)
+#define UNSUPPORTED_KEYALG	(-31)
+
+#endif /* DST_H */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/include/isc/eventlib.h b/usr/src/lib/libresolv2_joy/include/isc/eventlib.h
new file mode 100644
index 0000000000..a4cfdf9092
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/isc/eventlib.h
@@ -0,0 +1,206 @@
+/*
+ * Copyright (C) 2004, 2005, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1995-1999, 2001, 2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* eventlib.h - exported interfaces for eventlib
+ * vix 09sep95 [initial]
+ *
+ * $Id: eventlib.h,v 1.7 2008/11/14 02:36:51 marka Exp $
+ */
+
+#ifndef _EVENTLIB_H
+#define _EVENTLIB_H
+
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <sys/time.h>
+#include <stdio.h>
+
+#include <isc/platform.h>
+
+#ifndef __P
+# define __EVENTLIB_P_DEFINED
+# ifdef __STDC__
+#  define __P(x) x
+# else
+#  define __P(x) ()
+# endif
+#endif
+
+/* In the absence of branded types... */
+typedef struct { void *opaque; } evConnID;
+typedef struct { void *opaque; } evFileID;
+typedef struct { void *opaque; } evStreamID;
+typedef struct { void *opaque; } evTimerID;
+typedef struct { void *opaque; } evWaitID;
+typedef struct { void *opaque; } evContext;
+typedef struct { void *opaque; } evEvent;
+
+#define	evInitID(id) ((id)->opaque = NULL)
+#define	evTestID(id) ((id).opaque != NULL)
+
+typedef void (*evConnFunc)__P((evContext, void *, int, const void *, int,
+			       const void *, int));
+typedef void (*evFileFunc)__P((evContext, void *, int, int));
+typedef	void (*evStreamFunc)__P((evContext, void *, int, int));
+typedef void (*evTimerFunc)__P((evContext, void *,
+				struct timespec, struct timespec));
+typedef	void (*evWaitFunc)__P((evContext, void *, const void *));
+
+typedef	struct { unsigned char mask[256/8]; } evByteMask;
+#define	EV_BYTEMASK_BYTE(b) ((b) / 8)
+#define	EV_BYTEMASK_MASK(b) (1 << ((b) % 8))
+#define	EV_BYTEMASK_SET(bm, b) \
+	((bm).mask[EV_BYTEMASK_BYTE(b)] |= EV_BYTEMASK_MASK(b))
+#define	EV_BYTEMASK_CLR(bm, b) \
+	((bm).mask[EV_BYTEMASK_BYTE(b)] &= ~EV_BYTEMASK_MASK(b))
+#define	EV_BYTEMASK_TST(bm, b) \
+	((bm).mask[EV_BYTEMASK_BYTE(b)] & EV_BYTEMASK_MASK(b))
+
+#define	EV_POLL		1
+#define	EV_WAIT		2
+#define	EV_NULL		4
+
+#define	EV_READ		1
+#define	EV_WRITE	2
+#define	EV_EXCEPT	4
+
+#define EV_WASNONBLOCKING 8	/* Internal library use. */
+
+/* eventlib.c */
+#define evCreate	__evCreate
+#define evSetDebug	__evSetDebug
+#define evDestroy	__evDestroy
+#define evGetNext	__evGetNext
+#define evDispatch	__evDispatch
+#define evDrop		__evDrop
+#define evMainLoop	__evMainLoop
+#define evHighestFD	__evHighestFD
+#define evGetOption	__evGetOption
+#define evSetOption	__evSetOption
+
+int  evCreate __P((evContext *));
+void evSetDebug __P((evContext, int, FILE *));
+int  evDestroy __P((evContext));
+int  evGetNext __P((evContext, evEvent *, int));
+int  evDispatch __P((evContext, evEvent));
+void evDrop __P((evContext, evEvent));
+int  evMainLoop __P((evContext));
+int  evHighestFD __P((evContext));
+int  evGetOption __P((evContext *, const char *, int *));
+int  evSetOption __P((evContext *, const char *, int));
+
+/* ev_connects.c */
+#define evListen	__evListen
+#define evConnect	__evConnect
+#define evCancelConn	__evCancelConn
+#define evHold		__evHold
+#define evUnhold	__evUnhold
+#define evTryAccept	__evTryAccept
+
+int evListen __P((evContext, int, int, evConnFunc, void *, evConnID *));
+int evConnect __P((evContext, int, const void *, int,
+		   evConnFunc, void *, evConnID *));
+int evCancelConn __P((evContext, evConnID));
+int evHold __P((evContext, evConnID));
+int evUnhold __P((evContext, evConnID));
+int evTryAccept __P((evContext, evConnID, int *));
+
+/* ev_files.c */
+#define evSelectFD	__evSelectFD
+#define evDeselectFD	__evDeselectFD
+
+int evSelectFD __P((evContext, int, int, evFileFunc, void *, evFileID *));
+int evDeselectFD __P((evContext, evFileID));
+
+/* ev_streams.c */
+#define evConsIovec	__evConsIovec
+#define evWrite		__evWrite
+#define evRead		__evRead
+#define evTimeRW	__evTimeRW
+#define evUntimeRW	__evUntimeRW
+#define	evCancelRW	__evCancelRW
+
+struct iovec evConsIovec __P((void *, size_t));
+int evWrite __P((evContext, int, const struct iovec *, int,
+		 evStreamFunc func, void *, evStreamID *));
+int evRead __P((evContext, int, const struct iovec *, int,
+		evStreamFunc func, void *, evStreamID *));
+int evTimeRW __P((evContext, evStreamID, evTimerID timer));
+int evUntimeRW __P((evContext, evStreamID));
+int evCancelRW __P((evContext, evStreamID));
+
+/* ev_timers.c */
+#define evConsTime	__evConsTime
+#define evAddTime	__evAddTime
+#define evSubTime	__evSubTime
+#define evCmpTime	__evCmpTime
+#define	evTimeSpec	__evTimeSpec
+#define	evTimeVal	__evTimeVal
+
+#define evNowTime		__evNowTime
+#define evUTCTime		__evUTCTime
+#define evLastEventTime		__evLastEventTime
+#define evSetTimer		__evSetTimer
+#define evClearTimer		__evClearTimer
+#define evConfigTimer		__evConfigTimer
+#define evResetTimer		__evResetTimer
+#define evSetIdleTimer		__evSetIdleTimer
+#define evClearIdleTimer	__evClearIdleTimer
+#define evResetIdleTimer	__evResetIdleTimer
+#define evTouchIdleTimer	__evTouchIdleTimer
+
+struct timespec evConsTime __P((time_t sec, long nsec));
+struct timespec evAddTime __P((struct timespec, struct timespec));
+struct timespec evSubTime __P((struct timespec, struct timespec));
+struct timespec evNowTime __P((void));
+struct timespec evUTCTime __P((void));
+struct timespec evLastEventTime __P((evContext));
+struct timespec evTimeSpec __P((struct timeval));
+struct timeval evTimeVal __P((struct timespec));
+int evCmpTime __P((struct timespec, struct timespec));
+int evSetTimer __P((evContext, evTimerFunc, void *, struct timespec,
+		    struct timespec, evTimerID *));
+int evClearTimer __P((evContext, evTimerID));
+int evConfigTimer __P((evContext, evTimerID, const char *param,
+		      int value));
+int evResetTimer __P((evContext, evTimerID, evTimerFunc, void *,
+		      struct timespec, struct timespec));
+int evSetIdleTimer __P((evContext, evTimerFunc, void *, struct timespec,
+			evTimerID *));
+int evClearIdleTimer __P((evContext, evTimerID));
+int evResetIdleTimer __P((evContext, evTimerID, evTimerFunc, void *,
+			  struct timespec));
+int evTouchIdleTimer __P((evContext, evTimerID));
+
+/* ev_waits.c */
+#define evWaitFor	__evWaitFor
+#define evDo		__evDo
+#define evUnwait	__evUnwait
+#define evDefer		__evDefer
+
+int evWaitFor __P((evContext, const void *, evWaitFunc, void *, evWaitID *));
+int evDo __P((evContext, const void *));
+int evUnwait __P((evContext, evWaitID));
+int evDefer __P((evContext, evWaitFunc, void *));
+
+#ifdef __EVENTLIB_P_DEFINED
+# undef __P
+#endif
+
+#endif /*_EVENTLIB_H*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/include/isc/heap.h b/usr/src/lib/libresolv2_joy/include/isc/heap.h
new file mode 100644
index 0000000000..384d507cf5
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/isc/heap.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1997,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+typedef int (*heap_higher_priority_func)(void *, void *);
+typedef void (*heap_index_func)(void *, int);
+typedef void (*heap_for_each_func)(void *, void *);
+
+typedef struct heap_context {
+	int array_size;
+	int array_size_increment;
+	int heap_size;
+	void **heap;
+	heap_higher_priority_func higher_priority;
+	heap_index_func index;
+} *heap_context;
+
+#define heap_new	__heap_new
+#define heap_free	__heap_free
+#define heap_insert	__heap_insert
+#define heap_delete	__heap_delete
+#define heap_increased	__heap_increased
+#define heap_decreased	__heap_decreased
+#define heap_element	__heap_element
+#define heap_for_each	__heap_for_each
+
+heap_context	heap_new(heap_higher_priority_func, heap_index_func, int);
+int		heap_free(heap_context);
+int		heap_insert(heap_context, void *);
+int		heap_delete(heap_context, int);
+int		heap_increased(heap_context, int);
+int		heap_decreased(heap_context, int);
+void *		heap_element(heap_context, int);
+int		heap_for_each(heap_context, heap_for_each_func, void *);
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/include/isc/irpmarshall.h b/usr/src/lib/libresolv2_joy/include/isc/irpmarshall.h
new file mode 100644
index 0000000000..244b3e3460
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/isc/irpmarshall.h
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id: irpmarshall.h,v 1.4 2005/04/27 04:56:17 sra Exp $
+ */
+
+#ifndef _IRPMARSHALL_H_INCLUDED
+#define _IRPMARSHALL_H_INCLUDED
+
+/* Hide function names */
+#define irp_marshall_gr __irp_marshall_gr
+#define irp_marshall_ho __irp_marshall_ho
+#define irp_marshall_ne __irp_marshall_ne
+#define irp_marshall_ng __irp_marshall_ng
+#define irp_marshall_nw __irp_marshall_nw
+#define irp_marshall_pr __irp_marshall_pr
+#define irp_marshall_pw __irp_marshall_pw
+#define irp_marshall_sv __irp_marshall_sv
+#define irp_unmarshall_gr __irp_unmarshall_gr
+#define irp_unmarshall_ho __irp_unmarshall_ho
+#define irp_unmarshall_ne __irp_unmarshall_ne
+#define irp_unmarshall_ng __irp_unmarshall_ng
+#define irp_unmarshall_nw __irp_unmarshall_nw
+#define irp_unmarshall_pr __irp_unmarshall_pr
+#define irp_unmarshall_pw __irp_unmarshall_pw
+#define irp_unmarshall_sv __irp_unmarshall_sv
+
+#define MAXPADDRSIZE (sizeof "255.255.255.255" + 1)
+#define ADDR_T_STR(x) (x == AF_INET ? "AF_INET" :\
+		       (x == AF_INET6 ? "AF_INET6" : "UNKNOWN"))
+
+/* See comment below on usage */
+int irp_marshall_pw(const struct passwd *, char **, size_t *);
+int irp_unmarshall_pw(struct passwd *, char *);
+int irp_marshall_gr(const struct group *, char **, size_t *);
+int irp_unmarshall_gr(struct group *, char *);
+int irp_marshall_sv(const struct servent *, char **, size_t *);
+int irp_unmarshall_sv(struct servent *, char *);
+int irp_marshall_pr(struct protoent *, char **, size_t *);
+int irp_unmarshall_pr(struct protoent *, char *);
+int irp_marshall_ho(struct hostent *, char **, size_t *);
+int irp_unmarshall_ho(struct hostent *, char *);
+int irp_marshall_ng(const char *, const char *, const char *,
+		    char **, size_t *);
+int irp_unmarshall_ng(const char **, const char **, const char **, char *);
+int irp_marshall_nw(struct nwent *, char **, size_t *);
+int irp_unmarshall_nw(struct nwent *, char *);
+int irp_marshall_ne(struct netent *, char **, size_t *);
+int irp_unmarshall_ne(struct netent *, char *);
+
+/*! \file
+ * \brief
+ * Functions to marshall and unmarshall various system data structures. We
+ * use a printable ascii format that is as close to various system config
+ * files as reasonable (e.g. /etc/passwd format).
+ *
+ * We are not forgiving with unmarhsalling misformatted buffers. In
+ * particular whitespace in fields is not ignored. So a formatted password
+ * entry "brister  :1364:100:...." will yield a username of "brister   "
+ *
+ * We potentially do a lot of mallocs to fill fields that are of type
+ * (char **) like a hostent h_addr field. Building (for example) the
+ * h_addr field and its associated addresses all in one buffer is
+ * certainly possible, but not done here.
+ *
+ * The following description is true for all the marshalling functions:
+ *
+ * int irp_marshall_XX(struct yyyy *XX, char **buffer, size_t *len);
+ *
+ * The argument XX (of type struct passwd for example) is marshalled in the
+ * buffer pointed at by *BUFFER, which is of length *LEN. Returns 0
+ * on success and -1 on failure. Failure will occur if *LEN is
+ * smaller than needed.
+ *
+ * If BUFFER is NULL, then *LEN is set to the size of the buffer
+ * needed to marshall the data and no marshalling is actually done.
+ *
+ * If *BUFFER is NULL, then a buffer large enough will be allocated
+ * with memget() and the size allocated will be stored in *LEN. An extra 2
+ * bytes will be allocated for the client to append CRLF if wanted. The
+ * value of *LEN will include these two bytes.
+ *
+ * All the marshalling functions produce a buffer with the fields
+ * separated by colons (except for the hostent marshalling, which uses '@'
+ * to separate fields). Fields that have multiple subfields (like the
+ * gr_mem field in struct group) have their subparts separated by
+ * commas.
+ *
+ * int irp_unmarshall_XX(struct YYYYY *XX, char *buffer);
+ *
+ * The unmashalling functions break apart the buffer and store the
+ * values in the struct pointed to by XX. All pointer values inside
+ * XX are allocated with malloc. All arrays of pointers have a NULL
+ * as the last element.
+ */
+
+#endif
diff --git a/usr/src/lib/libresolv2_joy/include/isc/list.h b/usr/src/lib/libresolv2_joy/include/isc/list.h
new file mode 100644
index 0000000000..5fe9031141
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/isc/list.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1997,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef LIST_H
+#define LIST_H 1
+#include <isc/assertions.h>
+
+#define LIST(type) struct { type *head, *tail; }
+#define INIT_LIST(list) \
+	do { (list).head = NULL; (list).tail = NULL; } while (0)
+
+#define LINK(type) struct { type *prev, *next; }
+#define INIT_LINK_TYPE(elt, link, type) \
+	do { \
+		(elt)->link.prev = (type *)(-1); \
+		(elt)->link.next = (type *)(-1); \
+	} while (0)
+#define INIT_LINK(elt, link) \
+	INIT_LINK_TYPE(elt, link, void)
+#define LINKED(elt, link) ((void *)((elt)->link.prev) != (void *)(-1) && \
+			   (void *)((elt)->link.next) != (void *)(-1))
+
+#define HEAD(list) ((list).head)
+#define TAIL(list) ((list).tail)
+#define EMPTY(list) ((list).head == NULL)
+
+#define PREPEND(list, elt, link) \
+	do { \
+		INSIST(!LINKED(elt, link));\
+		if ((list).head != NULL) \
+			(list).head->link.prev = (elt); \
+		else \
+			(list).tail = (elt); \
+		(elt)->link.prev = NULL; \
+		(elt)->link.next = (list).head; \
+		(list).head = (elt); \
+	} while (0)
+
+#define APPEND(list, elt, link) \
+	do { \
+		INSIST(!LINKED(elt, link));\
+		if ((list).tail != NULL) \
+			(list).tail->link.next = (elt); \
+		else \
+			(list).head = (elt); \
+		(elt)->link.prev = (list).tail; \
+		(elt)->link.next = NULL; \
+		(list).tail = (elt); \
+	} while (0)
+
+#define UNLINK_TYPE(list, elt, link, type) \
+	do { \
+		INSIST(LINKED(elt, link));\
+		if ((elt)->link.next != NULL) \
+			(elt)->link.next->link.prev = (elt)->link.prev; \
+		else { \
+			INSIST((list).tail == (elt)); \
+			(list).tail = (elt)->link.prev; \
+		} \
+		if ((elt)->link.prev != NULL) \
+			(elt)->link.prev->link.next = (elt)->link.next; \
+		else { \
+			INSIST((list).head == (elt)); \
+			(list).head = (elt)->link.next; \
+		} \
+		INIT_LINK_TYPE(elt, link, type); \
+	} while (0)
+#define UNLINK(list, elt, link) \
+	UNLINK_TYPE(list, elt, link, void)
+
+#define PREV(elt, link) ((elt)->link.prev)
+#define NEXT(elt, link) ((elt)->link.next)
+
+#define INSERT_BEFORE(list, before, elt, link) \
+	do { \
+		INSIST(!LINKED(elt, link));\
+		if ((before)->link.prev == NULL) \
+			PREPEND(list, elt, link); \
+		else { \
+			(elt)->link.prev = (before)->link.prev; \
+			(before)->link.prev = (elt); \
+			(elt)->link.prev->link.next = (elt); \
+			(elt)->link.next = (before); \
+		} \
+	} while (0)
+
+#define INSERT_AFTER(list, after, elt, link) \
+	do { \
+		INSIST(!LINKED(elt, link));\
+		if ((after)->link.next == NULL) \
+			APPEND(list, elt, link); \
+		else { \
+			(elt)->link.next = (after)->link.next; \
+			(after)->link.next = (elt); \
+			(elt)->link.next->link.prev = (elt); \
+			(elt)->link.prev = (after); \
+		} \
+	} while (0)
+
+#define ENQUEUE(list, elt, link) APPEND(list, elt, link)
+#define DEQUEUE(list, elt, link) UNLINK(list, elt, link)
+
+#endif /* LIST_H */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/include/isc/logging.h b/usr/src/lib/libresolv2_joy/include/isc/logging.h
new file mode 100644
index 0000000000..c539443ff8
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/isc/logging.h
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef LOGGING_H
+#define LOGGING_H
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <unistd.h>
+
+#define log_critical		(-5)
+#define log_error   		(-4)
+#define log_warning 		(-3)
+#define log_notice  		(-2)
+#define log_info  		(-1)
+#define log_debug(level)	(level)
+
+typedef enum { log_syslog, log_file, log_null } log_channel_type;
+
+#define LOG_MAX_VERSIONS 99
+
+#define LOG_CLOSE_STREAM		0x0001
+#define LOG_TIMESTAMP			0x0002
+#define LOG_TRUNCATE			0x0004
+#define LOG_USE_CONTEXT_LEVEL		0x0008
+#define LOG_PRINT_LEVEL			0x0010
+#define LOG_REQUIRE_DEBUG		0x0020
+#define LOG_CHANNEL_BROKEN		0x0040
+#define LOG_PRINT_CATEGORY		0x0080
+#define LOG_CHANNEL_OFF			0x0100
+
+typedef struct log_context *log_context;
+typedef struct log_channel *log_channel;
+
+#define LOG_OPTION_DEBUG		0x01
+#define LOG_OPTION_LEVEL		0x02
+
+#define log_open_stream		__log_open_stream
+#define log_close_stream	__log_close_stream
+#define log_get_stream		__log_get_stream
+#define log_get_filename	__log_get_filename
+#define log_check_channel	__log_check_channel
+#define log_check		__log_check
+#define log_vwrite		__log_vwrite
+#define log_write		__log_write
+#define log_new_context		__log_new_context
+#define log_free_context	__log_free_context
+#define log_add_channel		__log_add_channel
+#define log_remove_channel	__log_remove_channel
+#define log_option		__log_option
+#define log_category_is_active	__log_category_is_active
+#define log_new_syslog_channel	__log_new_syslog_channel
+#define log_new_file_channel	__log_new_file_channel
+#define log_set_file_owner	__log_set_file_owner
+#define log_new_null_channel	__log_new_null_channel
+#define log_inc_references	__log_inc_references
+#define log_dec_references	__log_dec_references
+#define log_get_channel_type	__log_get_channel_type
+#define log_free_channel	__log_free_channel
+#define log_close_debug_channels	__log_close_debug_channels
+
+FILE *			log_open_stream(log_channel);
+int			log_close_stream(log_channel);
+FILE *			log_get_stream(log_channel);
+char *			log_get_filename(log_channel);
+int			log_check_channel(log_context, int, log_channel);
+int			log_check(log_context, int, int);
+#ifdef __GNUC__
+void			log_vwrite(log_context, int, int, const char *, 
+				   va_list args)
+				__attribute__((__format__(__printf__, 4, 0)));
+void			log_write(log_context, int, int, const char *, ...)
+				__attribute__((__format__(__printf__, 4, 5)));
+#else
+void			log_vwrite(log_context, int, int, const char *, 
+				   va_list args);
+void			log_write(log_context, int, int, const char *, ...);
+#endif
+int			log_new_context(int, char **, log_context *);
+void			log_free_context(log_context);
+int			log_add_channel(log_context, int, log_channel);
+int			log_remove_channel(log_context, int, log_channel);
+int			log_option(log_context, int, int);
+int			log_category_is_active(log_context, int);
+log_channel		log_new_syslog_channel(unsigned int, int, int);
+log_channel		log_new_file_channel(unsigned int, int, const char *,
+					     FILE *, unsigned int,
+					     unsigned long);
+int			log_set_file_owner(log_channel, uid_t, gid_t);
+log_channel		log_new_null_channel(void);
+int			log_inc_references(log_channel);
+int			log_dec_references(log_channel);
+log_channel_type	log_get_channel_type(log_channel);
+int			log_free_channel(log_channel);
+void			log_close_debug_channels(log_context);
+
+#endif /* !LOGGING_H */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/include/isc/memcluster.h b/usr/src/lib/libresolv2_joy/include/isc/memcluster.h
new file mode 100644
index 0000000000..0923deb5e7
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/isc/memcluster.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1997,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef MEMCLUSTER_H
+#define MEMCLUSTER_H
+
+#include <stdio.h>
+
+#define meminit		__meminit
+#ifdef MEMCLUSTER_DEBUG
+#define memget(s)	__memget_debug(s, __FILE__, __LINE__)
+#define memput(p, s)	__memput_debug(p, s, __FILE__, __LINE__)
+#else /*MEMCLUSTER_DEBUG*/
+#ifdef MEMCLUSTER_RECORD
+#define memget(s)	__memget_record(s, __FILE__, __LINE__)
+#define memput(p, s)	__memput_record(p, s, __FILE__, __LINE__)
+#else /*MEMCLUSTER_RECORD*/
+#define memget		__memget
+#define memput		__memput
+#endif /*MEMCLUSTER_RECORD*/
+#endif /*MEMCLUSTER_DEBUG*/
+#define memstats	__memstats
+#define memactive	__memactive
+
+int	meminit(size_t, size_t);
+void *	__memget(size_t);
+void 	__memput(void *, size_t);
+void *	__memget_debug(size_t, const char *, int);
+void 	__memput_debug(void *, size_t, const char *, int);
+void *	__memget_record(size_t, const char *, int);
+void 	__memput_record(void *, size_t, const char *, int);
+void 	memstats(FILE *);
+int	memactive(void);
+
+#endif /* MEMCLUSTER_H */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/include/isc/misc.h b/usr/src/lib/libresolv2_joy/include/isc/misc.h
new file mode 100644
index 0000000000..b54f4ee6ed
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/isc/misc.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2004, 2005, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1995-2001, 2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id: misc.h,v 1.7 2008/11/14 02:36:51 marka Exp $
+ */
+
+#ifndef _ISC_MISC_H
+#define _ISC_MISC_H
+
+/*! \file */
+
+#include <stdio.h>
+#include <sys/types.h>
+
+#define	bitncmp		__bitncmp
+/*#define isc_movefile	__isc_movefile */
+
+extern int		bitncmp(const void *, const void *, int);
+extern int		isc_movefile(const char *, const char *);
+
+extern int		isc_gethexstring(unsigned char *, size_t, int, FILE *,
+					 int *);
+extern void		isc_puthexstring(FILE *, const unsigned char *, size_t,
+					 size_t, size_t, const char *);
+extern void		isc_tohex(const unsigned char *, size_t, char *);
+
+#endif /*_ISC_MISC_H*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/include/isc/platform.h b/usr/src/lib/libresolv2_joy/include/isc/platform.h
new file mode 100644
index 0000000000..2fc59b61a8
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/isc/platform.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+/*
+ * Copyright (C) 2008  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: platform.h.in,v 1.3 2008/01/23 02:15:56 tbox Exp $ */
+
+/*! \file */
+
+#ifndef ISC_PLATFORM_H
+#define ISC_PLATFORM_H
+
+/*
+ * Define if the OS does not define struct timespec.
+ */
+#undef ISC_PLATFORM_NEEDTIMESPEC
+#ifdef ISC_PLATFORM_NEEDTIMESPEC
+#include <time.h>               /* For time_t */
+struct timespec {
+	time_t  tv_sec;         /* seconds */
+	long    tv_nsec;        /* nanoseconds */
+};
+#endif
+
+#endif
diff --git a/usr/src/lib/libresolv2_joy/include/isc/tree.h b/usr/src/lib/libresolv2_joy/include/isc/tree.h
new file mode 100644
index 0000000000..96feaca68d
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/isc/tree.h
@@ -0,0 +1,59 @@
+/* tree.h - declare structures used by tree library
+ *
+ * vix 22jan93 [revisited; uses RCS, ANSI, POSIX; has bug fixes]
+ * vix 27jun86 [broken out of tree.c]
+ *
+ * $Id: tree.h,v 1.3 2005/04/27 04:56:18 sra Exp $
+ */
+
+
+#ifndef	_TREE_H_INCLUDED
+#define	_TREE_H_INCLUDED
+
+
+#ifndef __P
+# if defined(__STDC__) || defined(__GNUC__)
+#  define __P(x) x
+# else
+#  define __P(x) ()
+# endif
+#endif
+
+/*%
+ * tree_t is our package-specific anonymous pointer.
+ */
+#if defined(__STDC__) || defined(__GNUC__)
+typedef	void *tree_t;
+#else
+typedef	char *tree_t;
+#endif
+
+/*%
+ * Do not taint namespace
+ */
+#define	tree_add	__tree_add
+#define	tree_delete	__tree_delete
+#define	tree_init	__tree_init
+#define	tree_mung	__tree_mung
+#define	tree_srch	__tree_srch
+#define	tree_trav	__tree_trav
+
+
+typedef	struct tree_s {
+		tree_t		data;
+		struct tree_s	*left, *right;
+		short		bal;
+	}
+	tree;
+
+
+void	tree_init	__P((tree **));
+tree_t	tree_srch	__P((tree **, int (*)(), tree_t));
+tree_t	tree_add	__P((tree **, int (*)(), tree_t, void (*)()));
+int	tree_delete	__P((tree **, int (*)(), tree_t, void (*)()));
+int	tree_trav	__P((tree **, int (*)()));
+void	tree_mung	__P((tree **, void (*)()));
+
+
+#endif	/* _TREE_H_INCLUDED */
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/include/make_os_version b/usr/src/lib/libresolv2_joy/include/make_os_version
new file mode 100755
index 0000000000..3654490fee
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/make_os_version
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# Copyright (c) 1999 by Sun Microsystems, Inc.
+# All rights reserved.
+#
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+UNAME_R=`/usr/bin/uname -r`
+
+OS_MAJOR=`echo $UNAME_R | /usr/bin/sed -e 's/^\([^.]*\).*/\1/'`
+OS_MINOR=`echo $UNAME_R | /usr/bin/sed -e 's/^[^.]*\.\([^.]*\).*/\1/'`
+OS_VERSION=`echo $UNAME_R | tr '.' '_'`
+
+cat <<EOF > new_os_version.h
+#ifndef OS_VERSION_H
+#define OS_VERSION_H
+
+#define SUNOS_$OS_VERSION
+#define OS_MAJOR $OS_MAJOR
+#define OS_MINOR $OS_MINOR
+
+#endif
+EOF
+
+if [ -f os_version.h ]; then
+	if /usr/bin/cmp -s new_os_version.h os_version.h; then
+		/usr/bin/rm -f new_os_version.h
+	else
+		/usr/bin/rm -f os_version.h
+		/usr/bin/mv new_os_version.h os_version.h
+	fi
+else
+	/usr/bin/mv new_os_version.h os_version.h
+fi
diff --git a/usr/src/lib/libresolv2_joy/include/make_os_version.sh b/usr/src/lib/libresolv2_joy/include/make_os_version.sh
new file mode 100644
index 0000000000..3654490fee
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/make_os_version.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# Copyright (c) 1999 by Sun Microsystems, Inc.
+# All rights reserved.
+#
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+UNAME_R=`/usr/bin/uname -r`
+
+OS_MAJOR=`echo $UNAME_R | /usr/bin/sed -e 's/^\([^.]*\).*/\1/'`
+OS_MINOR=`echo $UNAME_R | /usr/bin/sed -e 's/^[^.]*\.\([^.]*\).*/\1/'`
+OS_VERSION=`echo $UNAME_R | tr '.' '_'`
+
+cat <<EOF > new_os_version.h
+#ifndef OS_VERSION_H
+#define OS_VERSION_H
+
+#define SUNOS_$OS_VERSION
+#define OS_MAJOR $OS_MAJOR
+#define OS_MINOR $OS_MINOR
+
+#endif
+EOF
+
+if [ -f os_version.h ]; then
+	if /usr/bin/cmp -s new_os_version.h os_version.h; then
+		/usr/bin/rm -f new_os_version.h
+	else
+		/usr/bin/rm -f os_version.h
+		/usr/bin/mv new_os_version.h os_version.h
+	fi
+else
+	/usr/bin/mv new_os_version.h os_version.h
+fi
diff --git a/usr/src/lib/libresolv2_joy/include/port_after.h b/usr/src/lib/libresolv2_joy/include/port_after.h
new file mode 100644
index 0000000000..c3abf4b334
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/port_after.h
@@ -0,0 +1,539 @@
+/*
+ * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ */
+
+/*
+ * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2001-2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: port_after.h.in,v 1.60 2008/02/28 05:34:17 marka Exp $ */
+
+#ifndef port_after_h
+#define port_after_h
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/param.h>
+#include <sys/time.h>
+#if (!defined(BSD)) || (BSD < 199306)
+#include <sys/bitypes.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif /* HAVE_SYS_SELECT_H */
+
+#ifdef REENABLE_SEND
+#undef send
+#endif
+
+#undef NEED_PSELECT
+#undef HAVE_SA_LEN
+#undef HAVE_MINIMUM_IFREQ
+#define NEED_DAEMON 1
+#undef NEED_STRSEP
+#undef NEED_STRERROR
+#ifdef NEED_STRERROR
+const char *isc_strerror(int);
+#define strerror isc_strerror
+#endif
+/* HAS_INET6_STRUCTS and HAVE_SIN6_SCOPE_ID are defined by port_ipv6.h
+ * #define HAS_INET6_STRUCTS 1
+ * #define HAVE_SIN6_SCOPE_ID 1
+ */
+#include <port_ipv6.h>
+
+#undef NEED_IN6ADDR_ANY
+#undef HAS_IN_ADDR6
+#define HAVE_SOCKADDR_STORAGE 1
+#undef NEED_GETTIMEOFDAY
+#define HAVE_STRNDUP
+#undef USE_FIONBIO_IOCTL
+#undef INNETGR_ARGS
+
+#undef USE_IFNAMELINKID
+#define PORT_NONBLOCK O_NONBLOCK
+
+#ifndef _POSIX_PATH_MAX
+#define _POSIX_PATH_MAX 255
+#endif
+#ifndef PATH_MAX
+#define PATH_MAX _POSIX_PATH_MAX
+#endif
+
+/*
+ * We need to know the IPv6 address family number even on IPv4-only systems.
+ * Note that this is NOT a protocol constant, and that if the system has its
+ * own AF_INET6, different from ours below, all of BIND's libraries and
+ * executables will need to be recompiled after the system <sys/socket.h>
+ * has had this type added.  The type number below is correct on most BSD-
+ * derived systems for which AF_INET6 is defined.
+ */
+#ifndef AF_INET6
+#define AF_INET6        24
+#endif
+
+#ifndef PF_INET6
+#define PF_INET6        AF_INET6
+#endif
+
+#ifdef HAS_IN_ADDR6
+/* Map to pre-RFC structure. */
+#define in6_addr in_addr6
+#endif
+
+#ifndef HAS_INET6_STRUCTS
+/* Replace with structure from later rev of O/S if known. */
+struct in6_addr {
+	u_int8_t        s6_addr[16];
+};
+
+#define IN6ADDR_ANY_INIT \
+	{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}
+
+#define IN6ADDR_LOOPBACK_INIT \
+	{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}
+
+/* Replace with structure from later rev of O/S if known. */
+struct sockaddr_in6 {
+#ifdef  HAVE_SA_LEN
+	u_int8_t        sin6_len;       /* length of this struct */
+	u_int8_t        sin6_family;    /* AF_INET6 */
+#else
+	u_int16_t       sin6_family;    /* AF_INET6 */
+#endif
+	u_int16_t       sin6_port;      /* transport layer port # */
+	u_int32_t       sin6_flowinfo;  /* IPv6 flow information */
+	struct in6_addr sin6_addr;      /* IPv6 address */
+	u_int32_t       sin6_scope_id;  /* set of interfaces for a scope */
+};
+#endif  /* HAS_INET6_STRUCTS */
+
+#ifdef BROKEN_IN6ADDR_INIT_MACROS
+#undef IN6ADDR_ANY_INIT
+#undef IN6ADDR_LOOPBACK_INIT
+#endif
+
+#ifdef _AIX
+#ifndef IN6ADDR_ANY_INIT
+#define IN6ADDR_ANY_INIT {{{ 0, 0, 0, 0 }}}
+#endif
+#ifndef IN6ADDR_LOOPBACK_INIT
+#if BYTE_ORDER == BIG_ENDIAN
+#define IN6ADDR_LOOPBACK_INIT {{{ 0, 0, 0, 1 }}}
+#else
+#define IN6ADDR_LOOPBACK_INIT {{{0, 0, 0, 0x01000000}}}
+#endif
+#endif
+#endif
+
+#ifndef IN6ADDR_ANY_INIT
+#ifdef s6_addr
+#define IN6ADDR_ANY_INIT \
+	{{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
+#else
+#define IN6ADDR_ANY_INIT \
+	{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}
+#endif
+
+#endif
+#ifndef IN6ADDR_LOOPBACK_INIT
+#ifdef s6_addr
+#define IN6ADDR_LOOPBACK_INIT \
+	{{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
+#else
+#define IN6ADDR_LOOPBACK_INIT \
+	{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}
+#endif
+#endif
+
+#ifndef HAVE_SOCKADDR_STORAGE
+#define __SS_MAXSIZE 128
+#define __SS_ALLIGSIZE (sizeof (long))
+
+struct sockaddr_storage {
+#ifdef  HAVE_SA_LEN
+	u_int8_t        ss_len;       /* address length */
+	u_int8_t        ss_family;    /* address family */
+	char            __ss_pad1[__SS_ALLIGSIZE - 2 * sizeof(u_int8_t)];
+	long            __ss_align;
+	char            __ss_pad2[__SS_MAXSIZE - 2 * __SS_ALLIGSIZE];
+#else
+	u_int16_t       ss_family;    /* address family */
+	char            __ss_pad1[__SS_ALLIGSIZE - sizeof(u_int16_t)];
+	long            __ss_align;
+	char            __ss_pad2[__SS_MAXSIZE - 2 * __SS_ALLIGSIZE];
+#endif
+};
+#endif
+
+
+#if !defined(HAS_INET6_STRUCTS) || defined(NEED_IN6ADDR_ANY)
+#define in6addr_any isc_in6addr_any
+extern const struct in6_addr in6addr_any;
+#endif
+
+/*
+ * IN6_ARE_ADDR_EQUAL, IN6_IS_ADDR_UNSPECIFIED, IN6_IS_ADDR_V4COMPAT and
+ * IN6_IS_ADDR_V4MAPPED are broken in glibc 2.1.
+ */
+#ifdef __GLIBC__
+#if __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 2)
+#undef IN6_ARE_ADDR_EQUAL
+#undef IN6_IS_ADDR_UNSPECIFIED
+#undef IN6_IS_ADDR_V4COMPAT
+#undef IN6_IS_ADDR_V4MAPPED
+#endif
+#endif
+
+#ifndef IN6_ARE_ADDR_EQUAL
+#define IN6_ARE_ADDR_EQUAL(a,b) \
+   (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)
+#endif
+
+#ifndef IN6_IS_ADDR_UNSPECIFIED
+#define IN6_IS_ADDR_UNSPECIFIED(a)      \
+	IN6_ARE_ADDR_EQUAL(a, &in6addr_any)
+#endif
+
+#ifndef IN6_IS_ADDR_LOOPBACK
+extern const struct in6_addr isc_in6addr_loopback;
+#define IN6_IS_ADDR_LOOPBACK(a) \
+	IN6_ARE_ADDR_EQUAL(a, &isc_in6addr_loopback)
+#endif
+
+#ifndef IN6_IS_ADDR_V4MAPPED
+#define IN6_IS_ADDR_V4MAPPED(a)	\
+	((a)->s6_addr[0] == 0x00 && (a)->s6_addr[1] == 0x00 && \
+	(a)->s6_addr[2] == 0x00 && (a)->s6_addr[3] == 0x00 && \
+	(a)->s6_addr[4] == 0x00 && (a)->s6_addr[5] == 0x00 && \
+	(a)->s6_addr[6] == 0x00 && (a)->s6_addr[9] == 0x00 && \
+	(a)->s6_addr[8] == 0x00 && (a)->s6_addr[9] == 0x00 && \
+	(a)->s6_addr[10] == 0xff && (a)->s6_addr[11] == 0xff)
+#endif
+
+#ifndef IN6_IS_ADDR_SITELOCAL
+#define IN6_IS_ADDR_SITELOCAL(a)        \
+	(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))
+#endif
+
+#ifndef IN6_IS_ADDR_LINKLOCAL
+#define IN6_IS_ADDR_LINKLOCAL(a)        \
+	(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80))
+#endif
+
+#ifndef IN6_IS_ADDR_MULTICAST
+#define IN6_IS_ADDR_MULTICAST(a)        ((a)->s6_addr[0] == 0xff)
+#endif
+
+#ifndef __IPV6_ADDR_MC_SCOPE
+#define __IPV6_ADDR_MC_SCOPE(a)         ((a)->s6_addr[1] & 0x0f)
+#endif
+
+#ifndef __IPV6_ADDR_SCOPE_SITELOCAL
+#define __IPV6_ADDR_SCOPE_SITELOCAL 0x05
+#endif
+#ifndef __IPV6_ADDR_SCOPE_ORGLOCAL
+#define __IPV6_ADDR_SCOPE_ORGLOCAL  0x08
+#endif
+
+#ifndef IN6_IS_ADDR_MC_SITELOCAL
+#define IN6_IS_ADDR_MC_SITELOCAL(a)     \
+	(IN6_IS_ADDR_MULTICAST(a) &&    \
+	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL))
+#endif
+
+#ifndef IN6_IS_ADDR_MC_ORGLOCAL
+#define IN6_IS_ADDR_MC_ORGLOCAL(a)      \
+	(IN6_IS_ADDR_MULTICAST(a) &&    \
+	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL))
+#endif
+
+#ifndef INADDR_NONE
+#define INADDR_NONE 0xffffffff
+#endif
+
+#ifndef MAXHOSTNAMELEN
+#define MAXHOSTNAMELEN 256
+#endif
+
+#ifndef INET6_ADDRSTRLEN
+/* sizeof("aaaa:bbbb:cccc:dddd:eeee:ffff:123.123.123.123") */
+#define INET6_ADDRSTRLEN 46
+#endif
+
+#ifndef MIN
+#define MIN(x,y) (((x) <= (y)) ? (x) : (y))
+#endif
+
+#ifndef MAX
+#define MAX(x,y) (((x) >= (y)) ? (x) : (y))
+#endif
+
+#ifdef NEED_DAEMON
+int daemon(int nochdir, int noclose);
+#endif
+
+#ifdef NEED_STRSEP
+char * strsep(char **stringp, const char *delim);
+#endif
+
+#ifndef ALIGN
+#define ALIGN(p) (((uintptr_t)(p) + (sizeof(long) - 1)) & ~(sizeof(long) - 1))
+#endif
+
+#ifdef NEED_SETGROUPENT
+int setgroupent(int stayopen);
+#endif
+
+#ifdef NEED_GETGROUPLIST
+int getgrouplist(GETGROUPLIST_ARGS);
+#endif
+
+#ifdef POSIX_GETGRNAM_R
+int
+__posix_getgrnam_r(const char *, struct group *, char *, int, struct group **);
+#endif
+
+#ifdef NEED_GETGRNAM_R
+int
+getgrnam_r(const char *,  struct group *, char *, size_t, struct group **);
+#endif
+
+#ifdef POSIX_GETGRGID_R
+int
+__posix_getgrgid_r(gid_t, struct group *, char *, int, struct group **) ;
+#endif
+
+#ifdef NEED_GETGRGID_R
+int
+getgrgid_r(gid_t, struct group *, char *, size_t, struct group **);
+#endif
+
+#ifdef NEED_GETGRENT_R
+GROUP_R_RETURN getgrent_r(struct group *gptr, GROUP_R_ARGS);
+#endif
+
+#ifdef NEED_SETGRENT_R
+GROUP_R_SET_RETURN setgrent_r(GROUP_R_ENT_ARGS);
+#endif
+
+#ifdef NEED_ENDGRENT_R
+GROUP_R_END_RETURN endgrent_r(GROUP_R_ENT_ARGS);
+#endif
+
+#if defined(NEED_INNETGR_R) && defined(NGR_R_RETURN)
+NGR_R_RETURN
+innetgr_r(const char *, const char *, const char *, const char *);
+#endif
+
+#ifdef NEED_SETNETGRENT_R
+#ifdef NGR_R_SET_ARGS
+NGR_R_SET_RETURN setnetgrent_r(NGR_R_SET_CONST char *netgroup, NGR_R_SET_ARGS);
+#else
+NGR_R_SET_RETURN setnetgrent_r(NGR_R_SET_CONST char *netgroup);
+#endif
+#endif
+
+#ifdef NEED_ENDNETGRENT_R
+#ifdef NGR_R_END_ARGS
+NGR_R_END_RETURN endnetgrent_r(NGR_R_END_ARGS);
+#else
+NGR_R_END_RETURN endnetgrent_r(void);
+#endif
+#endif
+
+#ifdef POSIX_GETPWNAM_R
+int
+__posix_getpwnam_r(const char *login,  struct passwd *pwptr,
+		char *buf, size_t buflen, struct passwd **result);
+#endif
+
+#ifdef NEED_GETPWNAM_R
+int
+getpwnam_r(const char *login,  struct passwd *pwptr,
+		char *buf, size_t buflen, struct passwd **result);
+#endif
+
+#ifdef POSIX_GETPWUID_R
+int
+__posix_getpwuid_r(uid_t uid, struct passwd *pwptr,
+		char *buf, int buflen, struct passwd **result);
+#endif
+
+#ifdef NEED_GETPWUID_R
+int
+getpwuid_r(uid_t uid, struct passwd *pwptr,
+		char *buf, size_t buflen, struct passwd **result);
+#endif
+
+#ifdef NEED_SETPWENT_R
+#ifdef PASS_R_ENT_ARGS
+PASS_R_SET_RETURN setpwent_r(PASS_R_ENT_ARGS);
+#else
+PASS_R_SET_RETURN setpwent_r(void);
+#endif
+
+#endif
+
+#ifdef NEED_SETPASSENT_R
+#ifdef PASS_R_ENT_ARGS
+PASS_R_SET_RETURN setpassent_r(int stayopen, PASS_R_ENT_ARGS);
+#else
+PASS_R_SET_RETURN setpassent_r(int stayopen);
+#endif
+#endif
+
+#ifdef NEED_GETPWENT_R
+PASS_R_RETURN getpwent_r(struct passwd *pwptr, PASS_R_ARGS);
+#endif
+
+#ifdef NEED_ENDPWENT_R
+void endpwent_r(void);
+#endif
+
+#ifdef NEED_SETPASSENT
+int setpassent(int stayopen);
+#endif
+
+#define gettimeofday isc__gettimeofday
+#ifdef NEED_GETTIMEOFDAY
+int isc__gettimeofday(struct timeval *tvp, struct _TIMEZONE *tzp);
+#else
+int isc__gettimeofday(struct timeval *tp, struct timezone *tzp);
+#endif
+
+int getnetgrent(NGR_R_CONST char **machinep, NGR_R_CONST char **userp,
+		NGR_R_CONST char **domainp);
+
+#ifdef NGR_R_ARGS
+int getnetgrent_r(NGR_R_CONST char **machinep, NGR_R_CONST char **userp,
+		  NGR_R_CONST char **domainp, NGR_R_ARGS);
+#endif
+
+/* setnetgrent and endnetgrent are defined in sunw_port_after.h 
+#ifdef SETNETGRENT_ARGS
+void setnetgrent(SETNETGRENT_ARGS);
+#else
+void setnetgrent(const char *netgroup);
+#endif
+
+void endnetgrent(void);
+*/
+
+#ifdef INNETGR_ARGS
+int innetgr(INNETGR_ARGS);
+#else
+int innetgr(const char *netgroup, const char *machine,
+	    const char *user, const char *domain);
+#endif
+
+#ifdef NGR_R_SET_ARGS
+NGR_R_SET_RETURN
+setnetgrent_r(NGR_R_SET_CONST char *netgroup, NGR_R_SET_ARGS);
+#else
+NGR_R_SET_RETURN
+setnetgrent_r(NGR_R_SET_CONST char *netgroup);
+#endif
+
+#ifdef NEED_STRTOUL
+unsigned long strtoul(const char *, char **, int);
+#endif
+
+#ifdef NEED_SUN4PROTOS
+#include <stdarg.h>
+#ifndef __SIZE_TYPE__
+#define __SIZE_TYPE__ int
+#endif
+struct sockaddr;
+struct iovec;
+struct timeval;
+struct timezone;
+int fprintf(FILE *, const char *, ...);
+int getsockname(int, struct sockaddr *, int *);
+int getpeername(int, struct sockaddr *, int *);
+int socket(int, int, int);
+int connect(int, const struct sockaddr *, int);
+int writev(int, struct iovec *, int);
+int readv(int, struct iovec *, int);
+int send(int, const char *, int, int);
+void bzero(char *, int);
+int recvfrom(int, char *, int, int, struct sockaddr *, int *);
+int syslog(int, const char *, ... );
+int printf(const char *, ...);
+__SIZE_TYPE__ fread(void *, __SIZE_TYPE__, __SIZE_TYPE__, FILE *);
+__SIZE_TYPE__ fwrite(const void *, __SIZE_TYPE__, __SIZE_TYPE__, FILE *);
+int fclose(FILE *);
+int ungetc(int, FILE *);
+int scanf(const char *, ...);
+int sscanf(const char *, const char *, ... );
+int tolower(int);
+int toupper(int);
+int strcasecmp(const char *, const char *);
+int strncasecmp(const char *, const char *, int);
+int select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
+#ifdef gettimeofday
+#undef gettimeofday
+int gettimeofday(struct timeval *, struct timezone *);
+#define gettimeofday isc__gettimeofday
+#else
+int gettimeofday(struct timeval *, struct timezone *);
+#endif
+long strtol(const char*, char **, int);
+int fseek(FILE *, long, int);
+int setsockopt(int, int, int, const char *, int);
+int bind(int, const struct sockaddr *, int);
+void bcopy(char *, char *, int);
+int fputc(char, FILE *);
+int listen(int, int);
+int accept(int, struct sockaddr *, int *);
+int getsockopt(int, int, int, char *, int *);
+int vfprintf(FILE *, const char *, va_list);
+int fflush(FILE *);
+int fgetc(FILE *);
+int fputs(const char *, FILE *);
+int fchown(int, int, int);
+void setbuf(FILE *, char *);
+int gethostname(char *, int);
+int rename(const char *, const char *);
+time_t time(time_t *);
+int fscanf(FILE *, const char *, ...);
+int sscanf(const char *, const char *, ...);
+int ioctl(int, int, caddr_t);
+void perror(const char *);
+
+#if !defined(__USE_FIXED_PROTOTYPES__) && !defined(__cplusplus) && !defined(__STRICT_ANSI__)
+/*
+ * 'gcc -ansi' changes the prototype for vsprintf().
+ * Use this prototype when 'gcc -ansi' is not in effect.
+ */
+char *vsprintf(char *, const char *, va_list);
+#endif
+#endif
+
+/* Solaris-specific changes */
+#include "sunw_port_after.h"
+
+#endif	/* port_after_h */
diff --git a/usr/src/lib/libresolv2_joy/include/port_before.h b/usr/src/lib/libresolv2_joy/include/port_before.h
new file mode 100644
index 0000000000..2801139223
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/port_before.h
@@ -0,0 +1,201 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+/*
+ * Copyright (C) 2005-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: port_before.h.in,v 1.31 2008/02/28 05:36:10 marka Exp $ */
+
+#ifndef port_before_h
+#define port_before_h
+/* Solaris-specific changes */
+#include "sunw_port_before.h"
+#include <config.h>
+
+#ifdef NEED_SUN4PROTOS
+#define _PARAMS(x) x
+#endif
+
+struct group;           /* silence warning */
+struct passwd;          /* silence warning */
+struct timeval;         /* silence warning */
+struct timezone;        /* silence warning */
+
+#ifdef HAVE_SYS_TIMERS_H
+#include <sys/timers.h>
+#endif
+#include <limits.h>
+
+#ifdef ISC_PLATFORM_NEEDTIMESPEC
+#include <time.h>		/* For time_t */
+struct timespec {
+	time_t  tv_sec;         /* seconds */
+	long    tv_nsec;        /* nanoseconds */
+};
+#endif
+#ifndef HAVE_MEMMOVE
+#define memmove(a,b,c) bcopy(b,a,c)
+#endif
+
+#undef WANT_IRS_GR
+#undef WANT_IRS_NIS
+#undef WANT_IRS_PW
+
+#define BSD_COMP 1
+#define USE_POLL 1
+#define HAVE_MD5 1
+#define SOLARIS2 1
+
+/* DO_PTHREADS is conditionally defined in sunw_port_before.h 
+ * #define DO_PTHREADS 1 */
+#define GETGROUPLIST_ARGS const char *name, gid_t basegid, gid_t *groups, int *ngroups
+#define GETNETBYADDR_ADDR_T long
+#define SETPWENT_VOID 1
+#define SETGRENT_VOID 1
+
+#define NET_R_ARGS char *buf, int buflen
+#define NET_R_BAD NULL
+#define NET_R_COPY buf, buflen
+#define NET_R_COPY_ARGS NET_R_ARGS
+#define NET_R_END_RESULT(x) /*empty*/
+#define NET_R_END_RETURN void
+#undef NET_R_ENT_ARGS /*empty*/
+#define NET_R_OK nptr
+#define NET_R_RETURN struct netent *
+#undef NET_R_SET_RESULT /*empty*/
+#undef NET_R_SETANSWER
+#define NET_R_SET_RETURN void
+#undef NETENT_DATA
+
+#define GROUP_R_RETURN struct group *
+#define GROUP_R_SET_RETURN void
+#undef GROUP_R_SET_RESULT /*empty*/
+#define GROUP_R_END_RETURN void
+#define GROUP_R_END_RESULT(x) /*empty*/
+#define GROUP_R_ARGS char *buf, int buflen
+#define GROUP_R_ENT_ARGS void
+#define GROUP_R_OK gptr
+#define GROUP_R_BAD NULL
+
+#define HOST_R_ARGS char *buf, int buflen, int *h_errnop
+#define HOST_R_BAD NULL
+#define HOST_R_COPY buf, buflen
+#define HOST_R_COPY_ARGS char *buf, int buflen
+#define HOST_R_END_RESULT(x) /*empty*/
+#define HOST_R_END_RETURN void
+#undef HOST_R_ENT_ARGS /*empty*/
+#define HOST_R_ERRNO *h_errnop = h_errno
+#define HOST_R_OK hptr
+#define HOST_R_RETURN struct hostent *
+#undef HOST_R_SETANSWER
+#undef HOST_R_SET_RESULT
+#define HOST_R_SET_RETURN void
+#undef HOSTENT_DATA
+
+#define NGR_R_ARGS char *buf, int buflen
+#define NGR_R_BAD (0)
+#define NGR_R_COPY buf, buflen
+#define NGR_R_COPY_ARGS NGR_R_ARGS
+#define NGR_R_CONST
+#define NGR_R_END_RESULT(x)  /*empty*/
+#define NGR_R_END_RETURN void
+#undef NGR_R_END_ARGS /*empty*/
+#define NGR_R_OK 1
+#define NGR_R_RETURN int
+#define NGR_R_SET_CONST const
+#undef NGR_R_SET_RESULT /*empty*/
+#define NGR_R_SET_RETURN void
+#undef NGR_R_SET_ARGS
+
+
+#if !defined(NGR_R_SET_ARGS) && defined(NGR_R_END_ARGS)
+#define NGR_R_SET_ARGS NGR_R_END_ARGS
+#endif
+
+#define PROTO_R_ARGS char *buf, int buflen
+#define PROTO_R_BAD NULL
+#define PROTO_R_COPY buf, buflen
+#define PROTO_R_COPY_ARGS PROTO_R_ARGS
+#define PROTO_R_END_RESULT(x) /*empty*/
+#define PROTO_R_END_RETURN void
+#undef PROTO_R_ENT_ARGS /*empty*/
+#undef PROTO_R_ENT_UNUSED
+#define PROTO_R_OK pptr
+#undef PROTO_R_SETANSWER
+#define PROTO_R_RETURN struct protoent *
+#undef PROTO_R_SET_RESULT
+#define PROTO_R_SET_RETURN void
+#undef PROTOENT_DATA
+
+#define PASS_R_ARGS char *buf, int buflen
+#define PASS_R_BAD NULL
+#define PASS_R_COPY buf, buflen
+#define PASS_R_COPY_ARGS PASS_R_ARGS
+#define PASS_R_END_RESULT(x) /*empty*/
+#define PASS_R_END_RETURN void
+#undef PASS_R_ENT_ARGS
+#define PASS_R_OK pwptr
+#define PASS_R_RETURN struct passwd *
+#undef PASS_R_SET_RESULT /*empty*/
+#define PASS_R_SET_RETURN void
+
+#define SERV_R_ARGS char *buf, int buflen
+#define SERV_R_BAD NULL
+#define SERV_R_COPY buf, buflen
+#define SERV_R_COPY_ARGS SERV_R_ARGS
+#define SERV_R_END_RESULT(x) /*empty*/
+#define SERV_R_END_RETURN void 
+#undef SERV_R_ENT_ARGS /*empty*/
+#undef SERV_R_ENT_UNUSED /*empty*/
+#define SERV_R_OK sptr
+#undef SERV_R_SETANSWER
+#define SERV_R_RETURN struct servent *
+#undef SERV_R_SET_RESULT
+#define SERV_R_SET_RETURN void
+
+
+
+#define DE_CONST(konst, var) \
+	do { \
+		union { const void *k; void *v; } _u; \
+		_u.k = konst; \
+		var = _u.v; \
+	} while (0)
+
+#define UNUSED(x) (x) = (x)
+
+#undef NEED_SOLARIS_BITTYPES
+#define ISC_SOCKLEN_T int
+
+#ifdef __GNUC__
+#define ISC_FORMAT_PRINTF(fmt, args) \
+	__attribute__((__format__(__printf__, fmt, args)))
+#else
+#define ISC_FORMAT_PRINTF(fmt, args)
+#endif
+
+/* Pull in host order macros when _XOPEN_SOURCE_EXTENDED is defined. */
+#if defined(__hpux) && defined(_XOPEN_SOURCE_EXTENDED)
+#include <sys/byteorder.h>
+#endif
+
+#endif
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/include/port_netdb.h b/usr/src/lib/libresolv2_joy/include/port_netdb.h
new file mode 100644
index 0000000000..a308cc7efa
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/port_netdb.h
@@ -0,0 +1,188 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+#ifndef _PORT_NETDB_H
+#define	_PORT_NETDB_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/* AI_NUMERICSERV is not a valid flag for getaddrinfo */
+#define	AI_MASK		0x0038	/* mask of valid flags */
+
+/* EAI_OVERFLOW was removed from ISC */
+#define	EAI_BADHINTS  12
+
+/*
+ * these are libresolv2 functions that were renamed in previous versions to
+ * res_* because they conflict with libnsl or libsocket
+ */
+
+#define	endhostent joy_res_endhostent /* libnsl */
+void endhostent __P((void));
+#define	endnetent res_endnetent  /* libsocket */
+void endnetent __P((void));
+#define	freeaddrinfo res_freeaddrinfo /* libsocket */
+void freeaddrinfo __P((struct addrinfo *));
+#define	freehostent res_freehostent  /* libsocket and libnsl */
+void freehostent __P((struct hostent *));
+#define	getaddrinfo res_getaddrinfo  /* libsocket */
+int getaddrinfo __P((const char *, const char *,
+				const struct addrinfo *, struct addrinfo **));
+#define	gethostbyaddr joy_res_gethostbyaddr /* libnsl */
+struct hostent *gethostbyaddr __P((const char *, int, int));
+#define	gethostbyname joy_res_gethostbyname /* libnsl */
+struct hostent *gethostbyname __P((const char *));
+#define	gethostbyname2 joy_res_gethostbyname2 /* lib/nsswitch/dns */
+struct hostent *gethostbyname2 __P((const char *, int));
+#define	gethostent res_gethostent  /* libnsl */
+struct hostent *gethostent __P((void));
+#define	getipnodebyaddr res_getipnodebyaddr  /* libnsl and libsocket */
+struct hostent *getipnodebyaddr __P((const void *, size_t, int, int *));
+#define	getipnodebyname res_getipnodebyname  /* libnsl and libsocket */
+struct hostent *getipnodebyname __P((const char *, int, int, int *));
+
+#define	getnetbyaddr res_getnetbyaddr /* libsocket */
+struct netent *getnetbyaddr __P((unsigned long, int));
+#define	getnetbyname res_getnetbyname /* libsocket */
+struct netent *getnetbyname __P((const char *));
+#define	getnetent res_getnetent /* libsocket */
+struct netent *getnetent __P((void));
+#define	sethostent joy_res_sethostent /* libnsl */
+void sethostent __P((int));
+#define	setnetent res_setnetent /* libsocket */
+void setnetent __P((int));
+
+/*
+ * these are other irs functions now included in libresolv.so.2. We rename the
+ * ones that overlap with libsocket or libnsl
+ */
+
+/* endprotoent is in libsocket.so.1 */
+#define	endprotoent res_endprotoent
+void		endprotoent __P((void));
+
+/* endservent is in libsocket.so.1 */
+#define	endservent res_endservent
+void		endservent __P((void));
+
+/* note: the next two symbols are variables, not functions */
+
+/* gai_errlist is in libsocket.so.1 */
+#define	gai_errlist res_gai_errlist
+
+/* gai_nerr is in libsocket.so.1 */
+#define	gai_nerr res_gai_nerr
+
+/* gai_strerror is in libsocket.so.1 */
+#define	gai_strerror res_gai_strerror
+const char *gai_strerror __P((int ecode));
+
+/* gethostbyaddr_r is in libnsl.so.1 */
+#define	gethostbyaddr_r res_gethostbyaddr_r
+struct hostent *gethostbyaddr_r __P((const char *addr, int len, int type,
+				struct hostent *hptr, char *buf,
+				int buflen, int *h_errnop));
+
+/* gethostbyname_r is in libnsl.so.1 */
+#define	gethostbyname_r res_gethostbyname_r
+struct hostent *gethostbyname_r __P((const char *name,	 struct hostent *hptr,
+				char *buf, int buflen, int *h_errnop));
+
+/* gethostent_r is in libnsl.so.1 */
+#define	gethostent_r res_gethostent_r
+struct hostent *gethostent_r __P((struct hostent *hptr, char *buf, int buflen,
+				int *h_errnop));
+
+/* getnameinfo is in libsocket.so.1 */
+#define	getnameinfo res_getnameinfo
+int getnameinfo __P((const struct sockaddr *, size_t, char *,
+				size_t, char *, size_t, int));
+
+/* getnetbyaddr_r is in libsocket.so.1 */
+#define	getnetbyaddr_r res_getnetbyaddr_r
+struct netent *getnetbyaddr_r __P((long, int, struct netent *, char *, int));
+
+/* getnetbyname_r is in libsocket.so.1 */
+#define	getnetbyname_r res_getnetbyname_r
+struct netent *getnetbyname_r __P((const char *, struct netent *, char *, int));
+
+/* getnetent_r is in libsocket.so.1 */
+#define	getnetent_r res_getnetent_r
+struct netent *getnetent_r __P((struct netent *, char *, int));
+
+/* getprotobyname is in libsocket.so.1 */
+#define	getprotobyname res_getprotobyname
+struct protoent	*getprotobyname __P((const char *));
+
+/* getprotobyname_r is in libsocket.so.1 */
+#define	getprotobyname_r res_getprotobyname_r
+struct protoent	*getprotobyname_r __P((const char *, struct protoent *,
+				char *, int));
+
+/* getprotobynumber is in libsocket.so.1 */
+#define	getprotobynumber res_getprotobynumber
+struct protoent	*getprotobynumber __P((int));
+
+/* getprotobynumber_r is in libsocket.so.1 */
+#define	getprotobynumber_r res_getprotobynumber_r
+struct protoent	*getprotobynumber_r __P((int,
+				struct protoent *, char *, int));
+
+/* getprotoent is in libsocket.so.1 */
+#define	getprotoent res_getprotoent
+struct protoent	*getprotoent __P((void));
+
+/* getprotoent_r is in libsocket.so.1 */
+#define	getprotoent_r res_getprotoent_r
+struct protoent	*getprotoent_r __P((struct protoent *, char *, int));
+
+/* getservbyname is in libsocket.so.1 and libnsl.so.1 */
+#define	getservbyname res_getservbyname
+struct servent *getservbyname __P((const char *, const char *));
+
+/* getservbyname_r is in libsocket.so.1 and libnsl.so.1 */
+#define	getservbyname_r res_getservbyname_r
+struct servent *getservbyname_r __P((const char *name, const char *,
+				struct servent *, char *, int));
+
+/* getservbyport is in libsocket.so.1 and libnsl.so.1 */
+#define	getservbyport res_getservbyport
+struct servent *getservbyport __P((int, const char *));
+
+/* getservbyport_r is in libsocket.so.1 and libnsl.so.1 */
+#define	getservbyport_r res_getservbyport_r
+struct servent *getservbyport_r __P((int port, const char *,
+				struct servent *, char *, int));
+
+/* getservent is in libsocket.so.1 */
+#define	getservent res_getservent
+struct servent *getservent __P((void));
+
+/* getservent_r is in libsocket.so.1 */
+#define	getservent_r res_getservent_r
+struct servent *getservent_r __P((struct servent *, char *, int));
+
+/* innetgr is in libsocket.so.1 */
+#define	innetgr res_innetgr
+int innetgr __P((const char *, const char *, const char *, const char *));
+
+/* setprotoent is in libsocket.so.1 */
+#define	setprotoent res_setprotoent
+void setprotoent __P((int));
+
+/* setservent is in libsocket.so.1 */
+#define	setservent res_setservent
+void setservent __P((int));
+
+
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _PORT_NETDB_H */
diff --git a/usr/src/lib/libresolv2_joy/include/port_resolv.h b/usr/src/lib/libresolv2_joy/include/port_resolv.h
new file mode 100644
index 0000000000..cd1a97d40c
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/port_resolv.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _PORT_RESOLV_H
+#define	_PORT_RESOLV_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/* RES_NSID has the same value as RES_NO_NIBBLE, which has been deleted  */
+#define	RES_NSID	0x00040000	/* request name server ID */
+
+/* RES_DEFAULT has a new value in libbind-6.0 */
+#undef RES_DEFAULT
+#define	RES_DEFAULT	(RES_RECURSE | RES_DEFNAMES | \
+	RES_DNSRCH | RES_NO_NIBBLE2)
+
+#ifndef __ultrix__
+u_int16_t	_getshort __P((const uchar_t *));
+u_int32_t	_getlong __P((const uchar_t *));
+#endif
+
+/* rename functions so they can be wrapped (see sunw/sunw_wrappers.c */
+#define	p_option isc_p_option
+const char *p_option(ulong_t option);
+#define	p_secstodate isc_p_secstodate
+char *p_secstodate(ulong_t secs);
+
+/* prevent namespace pollution */
+#define	res_protocolnumber	__res_protocolnumber
+#define	res_servicenumber	__res_servicenumber
+
+
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _PORT_RESOLV_H */
diff --git a/usr/src/lib/libresolv2_joy/include/probe_ipv6 b/usr/src/lib/libresolv2_joy/include/probe_ipv6
new file mode 100755
index 0000000000..371ac96c55
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/probe_ipv6
@@ -0,0 +1,73 @@
+#!/bin/sh
+
+# Copyright 2003 by Sun Microsystems, Inc. All rights reserved.
+# Use is subject to license terms.
+#
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+set -e
+PATH=/bin:/usr/bin:$PATH; export PATH
+trap "rm -f tmp$$[abc].[oc]" 0
+target=port_ipv6
+new=new_${target}.h
+old=${target}.h
+
+cat > tmp$$a.c <<EOF
+#include <sys/types.h>
+#include <netinet/in.h>
+struct sockaddr_in6 xx;
+EOF
+
+cat > tmp$$b.c <<EOF
+#include <sys/types.h>
+#include <netinet/in.h>
+struct in6_addr xx;
+EOF
+
+cat > tmp$$c.c <<EOF
+#include <sys/types.h>
+#include <netinet/in.h>
+struct sockaddr_in6 xx;
+main() { xx.sin6_scope_id = 0; }
+EOF
+
+cat > ${new} <<EOF
+
+/* This file is automatically generated. Do Not Edit. */
+
+#ifndef ${target}_h
+#define ${target}_h
+
+EOF
+
+if ${CC} -c tmp$$a.c > /dev/null 2>&1
+then
+        echo "#define HAS_INET6_STRUCTS" >> ${new}
+        if ${CC} -c tmp$$b.c > /dev/null 2>&1
+        then
+		:
+	else
+                echo "#define in6_addr in_addr6" >> ${new}
+        fi
+	if ${CC} -c tmp$$c.c > /dev/null 2>&1
+	then
+		echo "#define HAVE_SIN6_SCOPE_ID" >> ${new}
+	else
+		echo "#undef HAVE_SIN6_SCOPE_ID" >> ${new}
+	fi
+else
+        echo "#undef HAS_INET6_STRUCTS" >> ${new}
+fi
+echo  >> ${new}
+echo "#endif" >> ${new}
+if [ -f ${old} ]; then
+        if cmp -s ${new} ${old} ; then
+                rm -f ${new}
+        else
+                rm -f ${old}
+                mv ${new} ${old}
+        fi
+else
+        mv ${new} ${old}
+fi
+exit 0
diff --git a/usr/src/lib/libresolv2_joy/include/probe_ipv6.sh b/usr/src/lib/libresolv2_joy/include/probe_ipv6.sh
new file mode 100644
index 0000000000..371ac96c55
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/probe_ipv6.sh
@@ -0,0 +1,73 @@
+#!/bin/sh
+
+# Copyright 2003 by Sun Microsystems, Inc. All rights reserved.
+# Use is subject to license terms.
+#
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+set -e
+PATH=/bin:/usr/bin:$PATH; export PATH
+trap "rm -f tmp$$[abc].[oc]" 0
+target=port_ipv6
+new=new_${target}.h
+old=${target}.h
+
+cat > tmp$$a.c <<EOF
+#include <sys/types.h>
+#include <netinet/in.h>
+struct sockaddr_in6 xx;
+EOF
+
+cat > tmp$$b.c <<EOF
+#include <sys/types.h>
+#include <netinet/in.h>
+struct in6_addr xx;
+EOF
+
+cat > tmp$$c.c <<EOF
+#include <sys/types.h>
+#include <netinet/in.h>
+struct sockaddr_in6 xx;
+main() { xx.sin6_scope_id = 0; }
+EOF
+
+cat > ${new} <<EOF
+
+/* This file is automatically generated. Do Not Edit. */
+
+#ifndef ${target}_h
+#define ${target}_h
+
+EOF
+
+if ${CC} -c tmp$$a.c > /dev/null 2>&1
+then
+        echo "#define HAS_INET6_STRUCTS" >> ${new}
+        if ${CC} -c tmp$$b.c > /dev/null 2>&1
+        then
+		:
+	else
+                echo "#define in6_addr in_addr6" >> ${new}
+        fi
+	if ${CC} -c tmp$$c.c > /dev/null 2>&1
+	then
+		echo "#define HAVE_SIN6_SCOPE_ID" >> ${new}
+	else
+		echo "#undef HAVE_SIN6_SCOPE_ID" >> ${new}
+	fi
+else
+        echo "#undef HAS_INET6_STRUCTS" >> ${new}
+fi
+echo  >> ${new}
+echo "#endif" >> ${new}
+if [ -f ${old} ]; then
+        if cmp -s ${new} ${old} ; then
+                rm -f ${new}
+        else
+                rm -f ${old}
+                mv ${new} ${old}
+        fi
+else
+        mv ${new} ${old}
+fi
+exit 0
diff --git a/usr/src/lib/libresolv2_joy/include/res_update.h b/usr/src/lib/libresolv2_joy/include/res_update.h
new file mode 100644
index 0000000000..0c6967db56
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/res_update.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1999 by Internet Software Consortium, Inc.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ *	$Id: res_update.h,v 1.3 2005/04/27 04:56:15 sra Exp $
+ */
+
+#ifndef __RES_UPDATE_H
+#define __RES_UPDATE_H
+
+/*! \file */
+
+#include <sys/types.h>
+#include <arpa/nameser.h>
+#include <isc/list.h>
+#include <resolv_joy.h>
+
+#ifndef	ORIGINAL_ISC_CODE
+/* definition of u_int32_t needed on Solaris */
+#include <sys/bitypes.h>
+/* need to rename ns_updrec before we define it here */
+#include "arpa/port_nameser.h"
+#endif	/* ORIGINAL_ISC_CODE */
+
+
+/*%
+ * This RR-like structure is particular to UPDATE.
+ */
+struct ns_updrec {
+	LINK(struct ns_updrec) r_link, r_glink;
+	ns_sect		r_section;	/*%< ZONE/PREREQUISITE/UPDATE */
+	char *		r_dname;	/*%< owner of the RR */
+	ns_class	r_class;	/*%< class number */
+	ns_type		r_type;		/*%< type number */
+	u_int32_t	r_ttl;		/*%< time to live */
+	u_char *	r_data;		/*%< rdata fields as text string */
+	u_int		r_size;		/*%< size of r_data field */
+	int		r_opcode;	/*%< type of operation */
+	/* following fields for private use by the resolver/server routines */
+	struct databuf *r_dp;		/*%< databuf to process */
+	struct databuf *r_deldp;	/*%< databuf's deleted/overwritten */
+	u_int		r_zone;		/*%< zone number on server */
+};
+typedef struct ns_updrec ns_updrec;
+typedef	LIST(ns_updrec)	ns_updque;
+
+#ifdef	ORIGINAL_ISC_CODE
+#define res_mkupdate		__res_mkupdate
+#define res_update		__res_update
+#define res_mkupdrec		__res_mkupdrec
+#define res_freeupdrec		__res_freeupdrec
+#define res_nmkupdate		__res_nmkupdate
+#define res_nupdate		__res_nupdate
+#else
+/* these are renamed in "port_nameser.h" */
+#endif	/* ORIGINAL_ISC_CODE */
+
+
+int		res_mkupdate __P((ns_updrec *, u_char *, int));
+int		res_update __P((ns_updrec *));
+ns_updrec *	res_mkupdrec __P((int, const char *, u_int, u_int, u_long));
+void		res_freeupdrec __P((ns_updrec *));
+int		res_nmkupdate __P((res_state, ns_updrec *, u_char *, int));
+int		res_nupdate __P((res_state, ns_updrec *, ns_tsig_key *));
+
+#endif /*__RES_UPDATE_H*/
+
+/*! \file */
diff --git a/usr/src/lib/libresolv2_joy/include/resolv_mt.h b/usr/src/lib/libresolv2_joy/include/resolv_mt.h
new file mode 100644
index 0000000000..500d4d764c
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/resolv_mt.h
@@ -0,0 +1,47 @@
+#ifndef _RESOLV_MT_H
+#define _RESOLV_MT_H
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv_joy.h>
+
+/* Access functions for the libresolv private interface */
+
+int	__res_enable_mt(void);
+int	__res_disable_mt(void);
+
+/* Per-thread context */
+
+typedef struct {
+int	no_hosts_fallback_private;
+int	retry_save;
+int	retry_private;
+char	inet_nsap_ntoa_tmpbuf[255*3];
+char	sym_ntos_unname[20];
+char	sym_ntop_unname[20];
+char	p_option_nbuf[40];
+char	p_time_nbuf[40];
+char	precsize_ntoa_retbuf[sizeof "90000000.00"];
+char	loc_ntoa_tmpbuf[sizeof
+"1000 60 60.000 N 1000 60 60.000 W -12345678.00m 90000000.00m 90000000.00m 90000000.00m"];
+char	p_secstodate_output[15];
+} mtctxres_t;
+
+/* Thread-specific data (TSD) */
+
+mtctxres_t	*___mtctxres(void);
+#define mtctxres	(___mtctxres())
+
+/* Various static data that should be TSD */
+
+#define sym_ntos_unname		(mtctxres->sym_ntos_unname)
+#define sym_ntop_unname		(mtctxres->sym_ntop_unname)
+#define inet_nsap_ntoa_tmpbuf	(mtctxres->inet_nsap_ntoa_tmpbuf)
+#define p_option_nbuf		(mtctxres->p_option_nbuf)
+#define p_time_nbuf		(mtctxres->p_time_nbuf)
+#define precsize_ntoa_retbuf	(mtctxres->precsize_ntoa_retbuf)
+#define loc_ntoa_tmpbuf		(mtctxres->loc_ntoa_tmpbuf)
+#define p_secstodate_output	(mtctxres->p_secstodate_output)
+
+#endif /* _RESOLV_MT_H */
diff --git a/usr/src/lib/libresolv2_joy/include/sunw_port_after.h b/usr/src/lib/libresolv2_joy/include/sunw_port_after.h
new file mode 100644
index 0000000000..bff64a74c1
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/sunw_port_after.h
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_SUNW_PORT_AFTER_H
+#define	_SUNW_PORT_AFTER_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * rename setnetgrent and endnetgrent which were formerly in a separate irs
+ * shared library.  These functions should come from libc.so
+ */
+#define	setnetgrent res_setnetgrent
+#ifdef SETNETGRENT_ARGS
+void setnetgrent(SETNETGRENT_ARGS);
+#else
+void setnetgrent(const char *netgroup);
+#endif
+
+#define	endnetgrent res_endnetgrent
+void endnetgrent(void);
+
+
+/*
+ * include ports for the public header files. ISC's versions are quite different
+ * from those currently in OpenSolaris.
+ */
+
+#ifdef _RESOLV_JOY_H
+#include <port_resolv.h>
+#endif /* _RESOLV_JOY_H */
+
+#ifdef _NETDB_H
+#include <port_netdb.h>
+#endif /* _NETDB_H */
+
+#ifdef _ARPA_INET_H
+#include <arpa/port_inet.h>
+#endif /* _ARPA_INET_H */
+
+#ifdef _ARPA_NAMESER_H
+#include <arpa/port_nameser.h>
+#endif /* _ARPA_NAMESER_H */
+
+
+#ifdef _ARPA_NAMESER_COMPAT_H
+/* no changes */
+#endif /* _ARPA_NAMESER_COMPAT_H */
+
+/* version-specific defines */
+#include <os_version.h>
+
+/*
+ * Prior to 2.6, Solaris needs a prototype for gethostname().
+ */
+#if (OS_MAJOR == 5 && OS_MINOR < 6)
+extern int gethostname(char *, size_t);
+#endif
+/*
+ * gethostid() was not available until 2.5
+ * setsockopt(SO_REUSEADDR) fails on unix domain sockets before 2.5
+ * use ioctl(FIONBIO) rather than fcntl() calls to set/clear non-blocking i/o.
+ */
+#if (OS_MAJOR == 5 && OS_MINOR < 5)
+#define	GET_HOST_ID_MISSING
+#define	NO_UNIX_REUSEADDR
+#define	USE_FIONBIO_IOCTL
+#endif
+
+#if (OS_MAJOR == 5 && OS_MINOR < 11)
+#define	NEED_STRSEP
+extern char *strsep(char **, const char *);
+#endif
+
+
+/*
+ * Solaris 2.5 and later have getrlimit(), setrlimit() and getrusage().
+ */
+#if (OS_MAJOR > 5 || (OS_MAJOR == 5 && OS_MINOR >= 5))
+#include <sys/resource.h>
+#define	HAVE_GETRUSAGE
+#define	RLIMIT_TYPE rlim_t
+#define	RLIMIT_FILE_INFINITY
+#endif
+
+/* the default syslog facility of named/lwresd. */
+#ifndef ISC_FACILITY
+#define	ISC_FACILITY LOG_DAEMON
+#endif
+
+
+/*
+ * Solaris 8 has if_nametoindex().
+ */
+#if (OS_MAJOR > 5 || (OS_MAJOR == 5 && OS_MINOR >= 8))
+#define	USE_IFNAMELINKID
+#endif
+
+#undef ALIGN
+#if (OS_MAJOR == 5 && OS_MINOR > 8)
+#define	ALIGN(x) (((uintptr_t)(x) + (sizeof (char *) - 1UL)) & \
+		~(sizeof (char *) - 1UL))
+#else
+#define	ALIGN(x) (((unsigned long)(x) + (sizeof (char *) - 1UL)) & \
+		~(sizeof (char *) - 1UL))
+#endif
+
+#if (OS_MAJOR == 5 && OS_MINOR < 5)
+#ifndef USE_FIONBIO_IOCTL
+#define	USE_FIONBIO_IOCTL 1
+#endif
+#endif
+
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SUNW_PORT_AFTER_H */
diff --git a/usr/src/lib/libresolv2_joy/include/sunw_port_before.h b/usr/src/lib/libresolv2_joy/include/sunw_port_before.h
new file mode 100644
index 0000000000..776e311fcc
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/sunw_port_before.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_SUNW_PORT_BEFORE_H
+#define	_SUNW_PORT_BEFORE_H
+
+#ifdef SUNW_OPTIONS
+#include <conf/sunoptions.h>
+#endif
+
+/* version-specific defines */
+#include <os_version.h>
+#if (OS_MAJOR == 5 && OS_MINOR < 6)
+#ifndef SOLARIS_BITTYPES
+#define	NEED_SOLARIS_BITTYPES 1
+#endif
+#endif
+
+#if (OS_MAJOR == 5 && OS_MINOR < 5)
+#undef HAS_PTHREADS
+#else
+#define	HAS_PTHREADS
+#endif
+
+#if defined(HAS_PTHREADS) && defined(_REENTRANT)
+#define DO_PTHREADS
+#endif
+
+/*
+ * need these if we are using public versions of nameser.h, resolv.h, and
+ * inet.h
+ */
+#include <sys/param.h>
+#if (!defined(BSD)) || (BSD < 199306)
+#include <sys/bitypes.h>
+#else
+#include <sys/types.h>
+#endif
+#include <sys/cdefs.h>
+
+#endif	/* _SUNW_PORT_BEFORE_H */
diff --git a/usr/src/lib/libresolv2_joy/include/sys/bitypes.h b/usr/src/lib/libresolv2_joy/include/sys/bitypes.h
new file mode 100644
index 0000000000..54fb42bad7
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/sys/bitypes.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2004, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1998, 1999, 2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: bitypes.h,v 1.7 2008/11/14 02:54:35 tbox Exp $ */
+
+#ifndef __BIT_TYPES_DEFINED__
+#define __BIT_TYPES_DEFINED__
+
+	/*
+	 * Basic integral types.  Omit the typedef if
+	 * not possible for a machine/compiler combination.
+	 */
+
+#ifdef NEED_SOLARIS_BITTYPES
+	typedef /*signed*/ char            int8_t;
+	typedef short                     int16_t;
+	typedef int                       int32_t;
+#endif
+	typedef unsigned char            u_int8_t;
+	typedef unsigned short          u_int16_t;
+	typedef unsigned int            u_int32_t;
+
+#endif	/* __BIT_TYPES_DEFINED__ */
diff --git a/usr/src/lib/libresolv2_joy/include/sys/cdefs.h b/usr/src/lib/libresolv2_joy/include/sys/cdefs.h
new file mode 100644
index 0000000000..67aac00cc7
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/include/sys/cdefs.h
@@ -0,0 +1,144 @@
+/*
+ * ++Copyright++ 1991, 1993
+ * -
+ * Copyright (c) 1991, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ * 	This product includes software developed by the University of
+ * 	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * -
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ * 
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ * -
+ * --Copyright--
+ */
+
+/*
+ *	@(#)cdefs.h	8.1 (Berkeley) 6/2/93
+ *	$Id: cdefs.h,v 1.2 2004/07/19 05:54:07 marka Exp $
+ */
+
+#ifndef	_CDEFS_H_
+#define	_CDEFS_H_
+
+#if defined(__cplusplus)
+#define	__BEGIN_DECLS	extern "C" {
+#define	__END_DECLS	};
+#else
+#define	__BEGIN_DECLS
+#define	__END_DECLS
+#endif
+
+/*
+ * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
+ * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
+ * The __CONCAT macro is a bit tricky -- make sure you don't put spaces
+ * in between its arguments.  __CONCAT can also concatenate double-quoted
+ * strings produced by the __STRING macro, but this only works with ANSI C.
+ */
+#if defined(__STDC__) || defined(__cplusplus)
+#define	__P(protos)	protos		/* full-blown ANSI C */
+#define	__CONCAT(x,y)	x ## y
+#define	__STRING(x)	#x
+
+#define	__const		const		/* define reserved names to standard */
+#define	__signed	signed
+#define	__volatile	volatile
+#if defined(__cplusplus)
+#define	__inline	inline		/* convert to C++ keyword */
+#else
+#ifndef __GNUC__
+#define	__inline			/* delete GCC keyword */
+#endif /* !__GNUC__ */
+#endif /* !__cplusplus */
+
+#else	/* !(__STDC__ || __cplusplus) */
+#define	__P(protos)	()		/* traditional C preprocessor */
+#define	__CONCAT(x,y)	x/**/y
+#define	__STRING(x)	"x"
+
+#ifndef __GNUC__
+#define	__const				/* delete pseudo-ANSI C keywords */
+#define	__inline
+#define	__signed
+#define	__volatile
+/*
+ * In non-ANSI C environments, new programs will want ANSI-only C keywords
+ * deleted from the program and old programs will want them left alone.
+ * When using a compiler other than gcc, programs using the ANSI C keywords
+ * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.
+ * When using "gcc -traditional", we assume that this is the intent; if
+ * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
+ */
+#ifndef	NO_ANSI_KEYWORDS
+#define	const				/* delete ANSI C keywords */
+#define	inline
+#define	signed
+#define	volatile
+#endif
+#endif	/* !__GNUC__ */
+#endif	/* !(__STDC__ || __cplusplus) */
+
+/*
+ * GCC1 and some versions of GCC2 declare dead (non-returning) and
+ * pure (no side effects) functions using "volatile" and "const";
+ * unfortunately, these then cause warnings under "-ansi -pedantic".
+ * GCC2 uses a new, peculiar __attribute__((attrs)) style.  All of
+ * these work for GNU C++ (modulo a slight glitch in the C++ grammar
+ * in the distribution version of 2.5.5).
+ */
+#if !defined(__GNUC__) || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
+#define	__attribute__(x)	/* delete __attribute__ if non-gcc or gcc1 */
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+#define	__dead		__volatile
+#define	__pure		__const
+#endif
+#endif
+
+/* Delete pseudo-keywords wherever they are not available or needed. */
+#ifndef __dead
+#define	__dead
+#define	__pure
+#endif
+
+#endif /* !_CDEFS_H_ */
diff --git a/usr/src/lib/libresolv2_joy/sparc/Makefile b/usr/src/lib/libresolv2_joy/sparc/Makefile
new file mode 100644
index 0000000000..a333224278
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/sparc/Makefile
@@ -0,0 +1,30 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/libresolv2_joy/sparcv9/Makefile b/usr/src/lib/libresolv2_joy/sparcv9/Makefile
new file mode 100644
index 0000000000..ceed393e0d
--- /dev/null
+++ b/usr/src/lib/libresolv2_joy/sparcv9/Makefile
@@ -0,0 +1,38 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include ../Makefile.com
+include ../../Makefile.lib.64
+
+# With the adition of BIND 8.3.3, the symbol table for 64 bit went over
+# the limit for Kpic, so we've added -KPIC here, for just the 64 bit 
+# library. This avoids compiling the 32-bit library with PIC unnecessarily.
+
+sparcv9_C_PICFLAGS = -K PIC
+sparcv9_CC_PICFLAGS = -KPIC
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64)
diff --git a/usr/src/lib/libscf/inc/libscf.h b/usr/src/lib/libscf/inc/libscf.h
index c00a59dc5d..1940308f92 100644
--- a/usr/src/lib/libscf/inc/libscf.h
+++ b/usr/src/lib/libscf/inc/libscf.h
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
 
 #ifndef	_LIBSCF_H
@@ -832,8 +833,13 @@ int smf_notify_del_params(const char *, const char *, int32_t);
 
 /*
  * SMF exit status definitions
+ *
+ * The SMF_EXIT_NODAEMON exit status should be used when a method does not
+ * need to run any persistent process. This indicates success, abandons the
+ * contract, and allows dependencies to be met.
  */
 #define	SMF_EXIT_OK		  0
+#define	SMF_EXIT_NODAEMON	 94
 #define	SMF_EXIT_ERR_FATAL	 95
 #define	SMF_EXIT_ERR_CONFIG	 96
 #define	SMF_EXIT_MON_DEGRADE	 97
diff --git a/usr/src/lib/libshare/nfs/libshare_nfs.c b/usr/src/lib/libshare/nfs/libshare_nfs.c
index 0282c621cb..4ac114ecdc 100644
--- a/usr/src/lib/libshare/nfs/libshare_nfs.c
+++ b/usr/src/lib/libshare/nfs/libshare_nfs.c
@@ -22,6 +22,7 @@
 /*
  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -2827,9 +2828,16 @@ nfs_init()
 
 	ret = initprotofromsmf();
 	if (ret != SA_OK) {
-		(void) printf(dgettext(TEXT_DOMAIN,
-		    "NFS plugin problem with SMF repository: %s\n"),
-		    sa_errorstr(ret));
+		/*
+		 * This is a workaround.  See the comment in
+		 * cmd/fs.d/nfs/lib/smfcfg.c for an explanation.
+		 */
+		if (getzoneid() == GLOBAL_ZONEID ||
+		    ret != SCF_ERROR_NOT_FOUND) {
+			(void) printf(dgettext(TEXT_DOMAIN,
+			    "NFS plugin problem with SMF repository: %s\n"),
+			    sa_errorstr(ret));
+		}
 		ret = SA_OK;
 	}
 	add_defaults();
diff --git a/usr/src/lib/libshell/Makefile b/usr/src/lib/libshell/Makefile
index b584728d5f..1cce2316f0 100644
--- a/usr/src/lib/libshell/Makefile
+++ b/usr/src/lib/libshell/Makefile
@@ -64,6 +64,5 @@ $(SUBDIRS):	FRC
 FRC:
 
 include Makefile.demo
-include Makefile.doc
 
 include ../Makefile.targ
diff --git a/usr/src/lib/libshell/Makefile.doc b/usr/src/lib/libshell/Makefile.doc
deleted file mode 100644
index 5f507d28d9..0000000000
--- a/usr/src/lib/libshell/Makefile.doc
+++ /dev/null
@@ -1,77 +0,0 @@
-#
-# CDDL HEADER START
-#
-# The contents of this file are subject to the terms of the
-# Common Development and Distribution License (the "License").
-# You may not use this file except in compliance with the License.
-#
-# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
-# or http://www.opensolaris.org/os/licensing.
-# See the License for the specific language governing permissions
-# and limitations under the License.
-#
-# When distributing Covered Code, include this CDDL HEADER in each
-# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
-# If applicable, add the following below this CDDL HEADER, with the
-# fields enclosed by brackets "[]" replaced with your own identifying
-# information: Portions Copyright [yyyy] [name of copyright owner]
-#
-# CDDL HEADER END
-#
-
-#
-# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
-# Use is subject to license terms.
-#
-
-ROOTDOCDIRBASE=	$(ROOT)/usr/share/doc/ksh
-
-DOCFILES= \
-	RELEASE \
-	README \
-	TYPES \
-	DESIGN \
-	COMPATIBILITY \
-	OBSOLETE \
-	shell_styleguide.docbook \
-	images/tag_bourne.png \
-	images/tag_i18n.png \
-	images/tag_ksh88.png \
-	images/tag_ksh93.png \
-	images/tag_ksh.png \
-	images/tag_l10n.png \
-	images/tag_perf.png \
-	images/callouts/1.png \
-	images/callouts/2.png \
-	images/callouts/3.png \
-	images/callouts/4.png \
-	images/callouts/5.png \
-	images/callouts/6.png \
-	images/callouts/7.png \
-	images/callouts/8.png \
-	images/callouts/9.png \
-	images/callouts/10.png
-
-# Documentation rules
-$(ROOTDOCDIRBASE)/%: common/%
-	$(INS.file)
-
-$(ROOTDOCDIRBASE)/%: misc/%
-	$(INS.file)
-
-ROOTDOCDIRS=	\
-	$(ROOTDOCDIRBASE) .WAIT \
-	$(ROOTDOCDIRBASE)/images .WAIT \
-	$(ROOTDOCDIRBASE)/images/callouts
-
-# Generic documentation rules
-DOCFILESRCDIR=         common
-ROOTDOCFILES=  $(DOCFILES:%=$(ROOTDOCDIRBASE)/%)
-$(ROOTDOCDIRS) :=      OWNER =         root
-$(ROOTDOCDIRS) :=      GROUP =         bin
-$(ROOTDOCDIRS) :=      DIRMODE =       755
-
-$(ROOTDOCDIRS):
-	$(INS.dir)
-
-install: $(ROOTDOCDIRS) .WAIT $(ROOTDOCFILES)
diff --git a/usr/src/lib/libshell/common/COMPATIBILITY b/usr/src/lib/libshell/common/COMPATIBILITY
deleted file mode 100644
index d4d645a99a..0000000000
--- a/usr/src/lib/libshell/common/COMPATIBILITY
+++ /dev/null
@@ -1,134 +0,0 @@
-
-			KSH-93 VS. KSH-88
-
-
-The following is a list of known incompatibilities between ksh-93 and ksh-88.
-I have not include cases that are clearly bugs in ksh-88.  I also have
-omitted features that are completely upward compatible.
-
-1.	Functions, defined with name() with ksh-93 are compatible with
-	the POSIX standard, not with ksh-88.  No local variables are
-	permitted, and there is no separate scope.  Functions defined
-	with the function name syntax, maintain compatibility.
-	This also affects function traces.
-
-2.	! is now a reserved word.  As a result, any command by that
-	name will no longer work with ksh-93.
-
-3.	The -x attribute of alias and typeset -f is no longer
-	effective and the ENV file is only read for interactive
-	shells.  You need to use FPATH to make function definitions
-	visible to scripts.
-
-4.	A built-in command named command has been added which is
-	always found before the PATH search.  Any script which uses
-	this name as the name of a command (or function) will not
-	be compatible.
-
-5.	The output format for some built-ins has changed.  In particular
-	the output format for set, typeset and alias now have single
-	quotes around values that have special characters.  The output
-	for trap without arguments has a format that can be used as input.
-
-6.	With ksh-88, a dollar sign ($') followed by a single quote was
-	interpreted literally.  Now it is an ANSI-C string.  You
-	must quote the dollar sign to get the previous behavior.
-	Also, a $ in front of a " indicates that the string needs
-	to be translated for locales other than C or POSIX.  The $ 
-	is ignored in the C and POSIX locale.
-
-7.	With ksh-88, tilde expansion did not take place inside ${...}.
-	with ksh-93, ${foo-~} will cause tilde expansion if foo is
-	not set.  You need to escape the ~ for the previous behavior.
-
-8.      Some changes in the tokenizing rules where made that might
-	cause some scripts with previously ambiguous use of quoting
-	to produce syntax errors.
-
-9.	Programs that rely on specific exit values for the shell,
-	(rather than 0 or non-zero) may not be compatible.  The
-	exit status for many shell failures has been changed.
-
-10.	Built-ins in ksh-88 were always executed before looking for
-	the command in the PATH variable.  This is no longer true.
-	Thus, with ksh-93, if you have the current directory first
-	in your PATH, and you have a program named test in your
-	directory, it will be executed when you type test; the
-	built-in version will be run at the point /bin is found
-	in your PATH. 
-
-11.	Some undocumented combinations of argument passing to ksh
-	builtins no longer works since ksh-93 is getopts conforming
-	with respect to its built-ins.  For example, typeset -8i
-	previously would work as a synonym for typeset -i8.
-
-12.	Command substitution and arithmetic expansion are now performed
-	on PS1, PS3, and ENV when they are expanded.  Thus,  ` and $(
-	as part of the value of these variables must be preceded by a \
-	to preserve their previous behavior.
-
-13.	The ERRNO variable has been dropped.
-
-14.	If the file name following a redirection symbol contain pattern
-	characters they will only be expanded for interactive shells.
-
-15.	The arguments to a dot script will be restored when it completes. 
-
-16.	The list of tracked aliases is not displayed with alias unless
-	the -t option is specified.
-
-17.	The POSIX standard requires that test "$arg" have exit status
-	of 0, if and only if $arg is null.  However, since this breaks
-	programs that use test -t, ksh93 treats an explicit test -t
-	as if the user had entered test -t 1.
-
-18.	The ^T directive of emacs mode has been changed to work the
-	way it does in gnu-emacs.
-
-19.	ksh-88 allowed unbalanced parenthes within ${name op val} whereas
-	ksh-93 does not.  Thus, ${foo-(} needs to be written as ${foo-\(}
-	which works with both versions.
-
-20.     kill -l in ksh-93 lists only the signal names, not their numerical
-	values.
-
-21.	Local variables defined by typeset are statically scoped in
-	ksh93.  In ksh88 they were dynamically scoped although this
-	behavior was never documented.
-
-22.	The value of the variable given to getopts is set to ? when
-	the end-of-options is reached to conform to the POSIX standard.
-
-23.	Since the POSIX standard requires that octal constants be
-	recongnized, doing arithmetic on typeset -Z variables can
-	yield different results that with ksh88.  Most of these
-	differences were eliminated in ksh93o.
-
-24.	Starting after ksh93l, If you run ksh name, where name does
-	not contain a /, the current directory will be searched
-	before doing a path search on name as required by the POSIX
-	shell standard.  
-
-25.	In ksh93, cd - will output the directory that it changes
-	to on standard output as required by X/Open.  With ksh88,
-	this only happened for interactive shells.
-
-26.	As an undocumented feature of ksh-88, a leading 0 to an
-	assignment of an integer variable caused that variable
-	to be treated as unsigned.  This behavior was removed
-	starting in ksh93p.
-
-27.	The getopts builtin in ksh93 requires that optstring contain
-	a leading + to allow options to begin with a +.
-
-28.	In emacs/gmacs mode, control-v will not display the version when
-	the stty lnext character is set to control-v or is unset.
-	The sequence escape control-v will display the shell version.
-
-29.	In ksh88, DEBUG traps were executed. after each command.  In ksh93
-	DEBUG traps are exeucted before each command.
-
-30.	In ksh88, a redirection to a file name given by an empty string was
-	ignored.  In ksh93, this is an error.
-I am interested in expanding this list so please let me know if you
-uncover any others.
diff --git a/usr/src/lib/libshell/common/DESIGN b/usr/src/lib/libshell/common/DESIGN
deleted file mode 100644
index c11c0aff1e..0000000000
--- a/usr/src/lib/libshell/common/DESIGN
+++ /dev/null
@@ -1,170 +0,0 @@
-Here is an overview of the source code organization for ksh93.
-
-Directory layout:
-
-	The directory include contains header files for ksh93.
-	The files nval.h and shell.h are intended to be public
-	headers and can be used to add runtime builtin command.
-	The remainder are private.
-
-	The directory data contains readonly data files for ksh93.
-	The man pages for built-ins are in builtins.c rather
-	than included as statics with the implementations in the
-	bltins directory because some systems don't make static const
-	data readonly and we want these to be shared by all running
-	shells.
-
-	The directory edit contains the code for command line
-	editing and history.
-
-	The fun directory contains some shell function such as
-	pushd, popd, and dirs.
-
-	The directory features contains files that are used to generate
-	header files in the FEATURE directory.  Most of these files
-	are in a format that is processed by iffe.
-
-	The directory bltins contains code for most of the built-in
-	commands.  Additional built-in commands are part of libcmd.
-
-	The directory sh contains most of the code for ksh93.
-
-	The directory tests contains a number of regression tests.
-	In most cases, when a bug gets fixed, a test is added to
-	one of these files.  The regression tests can be run by
-	going to this directory and running
-		SHELL=shell_path shell_path shtests
-	where shell_path is an absolute pathname for the shell to
-	be tested.
-
-	The top level directory contains the nmake Makefile, a README,
-	and several documentation files.  The RELEASE file contains
-	the list of bug fixes and new features since the original
-	ksh93 release.  The file COMPATIBILITY is a list of all
-	known incompatibilities with ksh88.
-
-	The  bash_pre_rc.sh is a startup script used when emulating
-	bash if the shell is compiled with SHOPT_BASH and the shell
-	is invoked as bash.  The bash emulation is not complete.
- 
-Include directory:
-	1.	argnod.h contains the type definitions for command
-		nodes, io nodes, argument nodes, and for positional
-		parameters.a  It defines the prototypes for
-		all the positional parameters functions.
-	2.	builtins.h contains prototypes for builtins as well
-		as symbolic constants that refer to the name-pairs
-		that are associated with some of the built-ins.
-		It also contains prototypes for many of the strings.
-	3.	defs.h is the catch all for all definitions that
-		don't fit elsewhere and it includes several other
-		headers.  It defines a strucuture that contains ksh
-		global data, sh, and a structure that contains per
-		function data, sh.st. 
-	4.	edit.h contains definitions that are common to both
-		vi and emacs edit modes.
-	5.	env.h contains interfaces for creating and modifying
-		environment variables. 
-	6.	fault.h contains prototypes for signal related
-		functions and trap and fault handling.
-	7.	fcin.h contains macro and function definitions for
-		reading from a file or string.
-	8.	history.h contains macros and functions definitions
-		related to history file processing.
-	9.	jobs.h contains the definitions relating to job
-		processing and control.
-	10.	lexstates.h contains the states associated with
-		lexical processing.
-	11.	name.h contains the internal definitions related
-		to name-value pair processing.
-	12.	national.h contains a few I18N definitions, mostly
-		obsolete.
-	13.	nval.h is the public interface to the name-value
-		pair library that is documented with nval.3.
-	14.	path.h contains the interface for pathname processing
-		and pathname searching.
-	15.	shell.h is the public interface for shell functions
-		that are documented int shell.3.
-	16.	shlex.h contains the lexical token definitions and
-		interfaces for lexical analysis.
-	17.	shnodes.h contains the definition of the structures
-		for each of the parse nodes and flags for the attributes.
-	18.	shtable.h contains some interfaces and functions for
-		table lookup.
-	19.	streval.h contains the interface to the arithmetic
-		functions.
-	20.	terminal.h is a header file that includes the appropriate
-		terminal include.
-	21.	test.h contains the definitions for the test and [[...]]
-		commands.
-	22.	timeout.h contains the define constant for the maximum
-		shell timeout.
-	23.	ulimit.h includes the appropriate resource header.
-	24.	variables.h contains symbolic constants for the built-in
-		shell variables.
-
-sh directory:
-	1.	args.c contains functions for parsing shell options
-		and for processing positional parameters.
-	2.	arith.c contains callback functions for the streval.c
-		library and the interface to shell arithmetic.
-	3.	array.c contains the code for indexed and associative
-		arrays.
-	4.      bash.h contains code used when compiling with SHOPT_BASH
-		to add bash specific features such as shopt.
-	5.	defs.c contains the data definitions for global symbols.
-	6.	deparse.c contains code to generate shell script from
-		a parse tree.
-	7.	env.c contains code to add and delete environment variables
-		to an environment list.
-	8.	expand.c contains code for file name expansion and
-		file name generation.
-	9.	fault.c contains code for signal processing, trap
-		handling and termination.
-	10.	fcin.c contains code for reading and writing a character
-		at a time from a file or string.
-	11.	init.c contains initialization code and callbacks
-		for get and set functions for built-in variables.	
-	12.	io.o contains code for redirections and managing file
-		descriptors and file streams.
-	13.	jobs.c contains the code for job management.
-	14.	lex.c contains the code for the lexical analyzer.
-	15.	macro.c contains code for the $ macro expansions, including
-		here-documents.
-	16.	main.c contains the calls to initialization, profile
-		processing and the main evaluation loop as well as
-		mail processing.
-	17.	name.c contains the name-value pair routines that are
-		built on the hash library in libast.
-	18.	nvdisc.c contains code related to name-value pair disciplines.
-	19.	nvtree.c contains code for compound variables and for
-		walking the namespace.
-	20.	nvtype.c contains most of the code related to types that
-		are created with typeset -T.
-	21.	parse.c contains the code for the shell parser.
-	22.	path.c contains the code for pathname lookup and
-		some path functions.  It also contains the code
-		that executes commands and scripts.
-	23.	pmain.c is just a calls sh_main() so that all of the
-		rest of the shell can be in a shared library.
-	24.	shcomp.c contains the main program to the shell
-		compiler.  This program parses a script and creates
-		a file that the shell can read containing the parse tree.
-	25.	streval.c is an C arithmetic evaluator.
-	26.	string.c contains some string related functions.
-	27.	subshell.c contains the code to save and restore
-		environments so that subshells can run without creating
-		a new process.
-	28.	suid_exec.c contains the program from running execute
-		only and/or setuid/setgid scripts.
-	29.	tdump.c contains the code to dump a parse tree into
-		a file.
-	30.	timers.c contains code for multiple event timeouts.
-	31.	trestore contians the code for restoring the parse
-		tree from the file created by tdump.
-	32.	userinit.c contains a dummy userinit() function.
-		This is now obsolete with the new version of sh_main().
-	33.	waitevent.c contains the sh_waitnotify function so
-		that builtins can handle processing events when the
-		shell is waiting for input or for process completion.
-	34.	xec.c is the main shell executuion loop.
diff --git a/usr/src/lib/libshell/common/OBSOLETE b/usr/src/lib/libshell/common/OBSOLETE
deleted file mode 100644
index c29cb8bb63..0000000000
--- a/usr/src/lib/libshell/common/OBSOLETE
+++ /dev/null
@@ -1,152 +0,0 @@
-.sp 3
-.tl ''Ksh Features That Are Obsolete in Ksh93''
-.sp 2
-.AL 1
-.LI
-Using a pair of grave accents \^\fB\(ga\fR ... \fB\(ga\fR\^
-for command substition.  Use \fB$(\fR ... \fB)\fR instead.
-.LI
-.B FCEDIT
-is an obsolete name for
-the default editor name for the
-.B hist
-command.
-.B FCEDIT
-is not used when
-.B HISTEDIT
-is set.  Use
-.B HISTEDIT
-instead.
-.LI
-The newtest (\fB[[\fR ... \fB]]\fR) operator
-\fB\-a\fP \fIfile\fP
-is obsolete.  Use
-\fB\-e\fP instead.
-.LI
-The newtest (\fB[[\fR ... \fB]]\fR) operator
-.BR = ,
-as used in
-\fIstring\fP \fB=\fP \fIpattern\fP
-is obsolete.  Use
-\fB==\fP instead.
-.LI
-The following obsolete arithmetic comparisons are also permitted:
-.in +5
-.VL 20
-.LI "\fIexp1\fP \fB\-eq\fP \fIexp2\fP"
-True, if
-.I exp1
-is equal to
-.IR exp2 .
-.LI "\fIexp1\fP \fB\-ne\fP \fIexp2\fP"
-True, if
-.I exp1
-is not equal to
-.IR exp2 .
-.LI "\fIexp1\fP \fB\-lt\fP \fIexp2\fP"
-True, if
-.I exp1
-is less than
-.IR exp2 .
-.LI "\fIexp1\fP \fB\-gt\fP \fIexp2\fP"
-True, if
-.I exp1
-is greater than
-.IR exp2 .
-.LI "\fIexp1\fP \fB\-le\fP \fIexp2\fP"
-True, if
-.I exp1
-is less than or equal to
-.IR exp2 .
-.LI "\fIexp1\fP \fB\-ge\fP \fIexp2\fP"
-True, if
-.I exp1
-is greater than or equal to
-.IR exp2 .
-.LE		\"	End .VL
-.in -5
-.LI
-Using test -t or [ -t ] without specifying the file unit number.
-.LI
-The
-.B \-k
-option to the \fBset\fR builtin is obsolete.  It causes
-.I all\^
-variable assignment arguments are placed in the environment,
-even if they occur after the command name.
-The following
-first prints
-.B "a=b c"
-and then
-.BR c :
-There is no alternative.
-.LI
-The obsolete
-.B \-xf
-option of the
-.B typeset
-command allows a function to be exported
-to scripts that are executed without a separate
-invocation of the shell.
-Functions that need to be defined across separate
-invocations of the shell should
-be placed in a directory and the
-.B FPATH
-variable should contains the name of this directory.
-They may also
-be specified in the
-.B ENV
-file with the 
-.B \-xf
-option of
-.BR typeset .
-.LI
-The shell environment variable
-.B FCEDIT
-is obsolete.  Use
-.B HISTEDIT
-instead.
-.LI
-In the
-.B \-s
-option
-(to \fBfc\fR or \fBhist\fR command???)
-(
-and in obsolete versions, the editor name
-.B \-
-)
-is used to skip the editing phase and
-to re-execute the command.
-.LI
-The
-.B \-t
-option to \fBalias\fR builtin is is obsolete.  It
-is used to set and list tracked aliases.
-There is no replacement.
-.LI
-The shell command line option
-.B \-t
-is obsolete.  This option cause the shell to exit after reading
-and executing one command.  The is no replacement (although ending
-\&"command" with the exit builtin should have the same effect).
-.LI
-As an obsolete feature of the "set" builtin,
-if the first
-.I arg\^
-is
-.B \-
-then the
-.B \-x
-and
-.B \-v
-options are turned off and the next
-.I arg
-is treated as the first argument.
-Using
-.B \+
-rather than
-.B \-
-causes these options to be turned off.
-These options can also be used upon invocation of the shell.
-.LE
-
diff --git a/usr/src/lib/libshell/common/README b/usr/src/lib/libshell/common/README
deleted file mode 100644
index 1feeec8a90..0000000000
--- a/usr/src/lib/libshell/common/README
+++ /dev/null
@@ -1,232 +0,0 @@
-This directory, and its subdirectories contain the source code
-for ksh-93; the language described in the second addition of
-the book, "The KornShell Command and Programming Language," by
-Morris Bolsky and David Korn which is published by Prentice Hall.
-ksh-93 has been compiled and run on several machines with several
-operating systems.  The end of this file contains a partial list of
-operating systems and machines that ksh-93 has been known to run on.
-
-The layout of files for ksh-93 has changed somewhat since ksh-88,
-the last major release.  Most of the source code for ksh remains in
-the sh directory.  However, the shell editing and history routines
-are in the edit sub-directory.  The code for shell built-ins is
-in the bltins directory.  The data directory contains read-only
-data tables and messages that are used by the shell.  The include
-files remain in the include directory and the shlib directory
-is gone.  The features directory replaces the older install
-directory. The method for generating systems specific feature
-information has changed substantially.
-
-The Makefile file contains several compilation options that can be set
-before compiling ksh.  Options are of the form SHOPT_option and become
-#define inside the code.  These options are set to their recommended
-value and some of these may disappear as options in future releases.
-A value of 0, or no value  represents off, 1 represents on.
-Note that == is needed, not =, because these are nmake state variables
-and changing their value will cause all modules that could be affected
-by this change to be recompiled.
-The options have the following defaults and meanings:
-    ACCT         off Shell accounting.
-    ACCTFILE     off Enable per user accounting info.
-    AUDIT	 off For auditing specific users
-    AUDITFILE	 "/etc/ksh_audit"
-    APPEND       on  Allows var+=val string and array append.
-    BASH         off Bash compatibility mode.  It is not fully implemented
-                     and is experimental.
-    BRACEPAT     on  C-shell type abc{d,e}f style file generation
-    CMDLIB_BLTIN off Makes all commands in libcmd.a builtins.  The
-                     SH_CMDLIB_DIR nmake state variable can be used to
-		     specify a directory. 
-    CMDLIB_DIR   off Sets CMDLIB_BLTIN=1 and provides a default value
-                     of "/opt/ast/bin" for SH_CMDLIB_DIR.
-    COMPOUND_ARRAY
-                 on  Allows all components of compound variables except the
-                     first to be any string by enclosing in [...].  It also
-                     allows components other than the last to be arrays.
-                     This is experimental and only partially complete.
-    CRNL         off <cr><nl> treated as <nl> in shell grammar.
-    DYNAMIC      on  Dynamic loading of builtins. (Requires dlopen() interface.)
-    ECHOPRINT    off Make echo equivalent to print.
-    ESH          on  Compile with emacs command line editing.  The original
-                     emacs line editor code was provided by Mike Veach at IH.
-    FILESCAN     on  Experimental option that allows fast reading of files
-                     using while < file;do ...; done and allowing fields in
-                     each line to be accessed as positional parameters.
-    FS_3D        off For use with 3-D file system.  Enabled automatically for
-                     sytems with dynamic linking.
-    KIA          off Allow generation of shell cross reference database with -I.
-    MULTIBYTE    on  Multibyte character handling.  Requires mblen() and
-                     mbctowc().
-    NAMESPACE    on  Allows namespaces.  This is experimental, incomplete
-                     and undocumented.
-    OLDTERMIO    off Use either termios or termio at runtime.
-    OO           on  Experimental object oriented extension.  This option
-                     should disappear soon.
-    OPTIMIZE     on  Optimize loop invariants for with for and while loops.
-    P_SUID       off If set, all real uids, greater than or equal to this
-                     value will require the -p flag to run suid/sgid scripts.
-    PFSH         off Compile with support for profile shell.
-    RAWONLY      off Turn on if the vi line mode doesn't work right unless
-                     you do a set -o viraw.
-    SEVENBIT     off Strip the eigth bit from characters.
-    SPAWN        off Use spawn as combined fork/exec.  May improve speed on
-                     some systems.
-    STATS	 on  Add .sh.stats compound variable.
-    SUID_EXEC    on  Execute /etc/suid_exec for setuid, setgid script.
-    TIMEOUT      off Set this to the number of seconds for timing out and
-                     exiting the shell when you don't enter a command.  If
-                     non-zero, TMOUT can not be set larger than this value.
-    TYPEDEF	 on  Enable typeset type definitions.
-    VSH          on  Compile with vi command line editing.  The original vi
-                     line editor code was provided by Pat Sullivan at CB.
-
-The following compile options are set automatically by the feature testing:
-    DEVFD   Set when /dev/fd is a directory that names open files.
-    SHELLMAGIC
-            Set on systems that recognize script beginning with #! specially.
-    VPIX    Set on systems the have /usr/bin/vpix program for running MS-DOS.
-
-
-In most instances, you will generate ksh from a higher level directory
-which also generates libcmd and libast libraries on which ksh depends.
-However, it is possible to generate ksh, with by running make -f ksh.mk
-in this directory.  The ksh.mk file was generated from the nmake Makefile.
-If you do not have make or nmake, but do have a Version 7 UNIX compatible
-shell, then you can run the script mamexec < Mamfile to build ksh.
-If you have nmake, version 2.3 or later, you can use it without the -f ksh.mk.
-In either case, ksh relies on libraries libast and libcmd which must be
-built first.  The binary for ksh becomes the file named ./ksh which can
-be copied to where ever you install it.
-
-If you use old make or the Mamfile, and you system has dynamic shared
-libraries, then you should define the variables mam_cc_static and
-mam_cc_dynanamic as the compiler options that request static linking
-and dynamic linking respectively.  This will decrease the number of
-shared libraries that ksh need and cut startup time substantially.
-
-The makefile should also generate shcomp, a program that will precompile
-a script.  ksh93 is able to recognize files in this format and process
-them as scripts.  You can use shcomp to send out scripts when you
-don't want to give away the original script source.
-
-It is advisable that you put the line PWD=$HOME;export PWD into the
-/etc/profile file to reduce initialization time for ksh.
-
-To be able to run setuid/setgid shell scripts, or scripts without read
-permission, the SUID_EXEC compile option must be on, and ksh must be installed
-in the /bin directory, the /usr/bin directory, the /usr/lbin directory,
-or the /usr/local/bin directory and the name must end in sh. The program
-suid_exec must be installed in the /etc directory, must be owned by root,
-and must be a suid program.  If you must install ksh in some other directory
-and want to be able to run setuid/setgid and execute only scripts, then
-you will have to change the source code file sh/suid_exec.c explicitly.
-If you do not have ksh in one of these secure locations, /bin/sh will
-be invoked with the -p options and will fail when you execute a setuid/setgid
-and/or execute only script.  Note, that ksh does not read the .profile
-or $ENV file when it the real and effective user/group id's are not
-equal.
-
-The tests sub-directory contains a number of regression tests for ksh.
-To run all these tests with the shell you just built, go to the tests
-directory and run the command
-        SHELL=$dir/ksh $dir/ksh shtests
-where dir is the directory of the ksh you want to test.
-
-The file PROMO.mm is an advertisement that extolls the virtues of ksh.
-The file sh.1 contains the troff (man) description of this Shell.
-The file nval.3 contains the troff (man) description of the name-value
-pair library that is needed for writing built-ins that need to
-access shell variables.
-
-The file sh.memo contains a draft troff (mm) memo describing ksh.  The
-file RELEASE88 contains the changes made for ksh88.  The file RELEASE93
-contains the changes made in this release since ksh-88.  The file
-RELEASE contains bug fixes made in this release since ksh-88.  The file
-COMPATIBILITY contains a list of incompatibilities with ksh-88.  The
-file bltins.mm is a draft troff (mm) memo describing how to write
-built-in commands that can be loaded at run time.
-
-Most of the work for internationalization has been done with ksh93.
-The file ksh.msg is a generated file that contains error messages
-that need to be translated.  In addition, the function translate()
-in sh/init.c has to be completed to interface with the dictionary
-lookup.  The translate function takes two argument, the string
-that is to be translated and a type which is
-    0 when a library string needs translation.
-    1 when one of the error messages in ksh.msg needs translation.
-    2 when a string in a script needs translation.  You use a $ in front
-      of a double quoted string in a script to indicate that it
-      needs translation.  The -D option for ksh builds the dictionary.
-The translate routine needs to return the translated message.
-For dictionaries that need to use a numeric key, it should be
-possible to use the strhash() function to generate numbers to
-go along with each of the messages and to use this number both
-when generating the dictionary and when converting strings.
-If you encounter error messages of type 1 that are not be translated via
-this translate() function send mail to the address below.
-
-Please report any problems or suggestions to:
-
-dgk@research.att.com
-
-
-ksh93 has been compiled and alpha tested on the following.  An asterisk
-signifies that ksh has been installed as /bin/sh on this machine.
-
-*    Sun OS 4.1.[123] on sparc.
-     Sun OS 4.1.1 on sun.
-     Solaris 2.[1-9] on sparc.
-     Solaris 2.[4-8] on X86.
-     HP/UX 8 on HP-9000/730.
-     HP/UX 9 on HP-9000/730.
-     HP/UX 10 on HP-9000/857.
-     HP/UX 11 on pa-risc.
-     System V Release 3 on Counterpoint C19
-     System V Release  4 on AT&T Intel 486.
-     System V Release  4 on NCR 4850 Intel 486.
-     IRIX Release 4.0.? System V on SGI-MIPS.
-     IRIX Release 5.1 System V on SGI-MIPS.
-     IRIX Release 6.[1-5] System V on SGI-MIPS.
-     System V Release 3.2 on 3B2. 
-     UTS 5.2.6 on Amdahl 3090,5990,580.
-     System V Release 3.2 on i386.
-     SMP_DC.OSx olivetti dcosx MIServer-S 2/128.
-     SMP_DC.OSx Pyramid dcosx MIServer-S 2/160 r3000.
-     4.3BSD on Vax 8650.
-     AIX release 2 on RS6000.
-     AIX 3.2 on RS6000.
-     Linux 1.X on Intel
-     Linux 2.X on Intel
-     Linux 2.X on Alpha
-     Linux 2.X on Alpha
-     Linux 2.X on OS/390
-     Linux 2.X on sparc
-     Linux 2.4 on intel itanium 64
-     Linux Slackware on sparc64
-*    Linux ARM on i-PAQ 
-     OSF1 on DEC alpha.
-     OSF4 on DEC alpha.
-     UMIPS 4.52 on mips.
-     BSD-i [2-4] on X86.
-     OpenBSD on X86
-     NetBSD on X86
-     FreeBSD on X86
-     NeXT on Intel X86.
-     NeXT on HP.
-*    Windows NT using UWIN on X86
-*    Windows NT using UWIN on alpha
-     Windows NT using Cygwin on X86
-     Windows NT with NutCracker libraries.
-     Windows NT with Portage libraries.
-     Windows 3.1 using custom C library.
-     OpenEdition on MVS
-     Darwin OS X on PPC
-     MVS on OS 390
-     SCO Openserver 3.2 on X86
-     Unixware 7 on X86
-
-Good luck!!
-
-David Korn
-dgk@research.att.com
-
diff --git a/usr/src/lib/libshell/common/RELEASE b/usr/src/lib/libshell/common/RELEASE
deleted file mode 100644
index b8fc92511a..0000000000
--- a/usr/src/lib/libshell/common/RELEASE
+++ /dev/null
@@ -1,2204 +0,0 @@
-10-03-05  --- Release ksh93t+  ---
-10-03-05  A varibale unset memory leak has been fixed and tests/leaks.sh
-	  has been added to verify the fix.
-10-03-04  Documentation, comment, and disgnostic spelling typos corrected.
-10-02-14  Fix sh_getenv() initialization to cooperate with the 3d fs.
-10-02-12  A bug in which the get discipline function was not invoked for
-	  associative array subscripts for unset array elements has been fixed.
-10-02-12  A bug which could occur if the last line of a script was an eval
-	  that executed multiple commands has been fixed.
-10-02-02  A buffer overflow in read and another in binary type base64
-	  encoding were fixed.
-10-01-20  A bug in the evaluation of arithmetic expression in which the
-	  subscript was evaluated twice for $((foo[x++]++)) has been fixed.
-10-01-19  A workaround for a double-free of a trap in both a subshell and its
-	  parent has been added.
-10-01-18  A bug in type handling of typeset -H has been fixed.
-10-01-15  The "adding empty subscript" warning now only emitted with -x set.
-10-01-01  A bug in the parser in which '$((case i in i):;esac);:))' was not
-	  parsed correctly was fixed.
-10-01-01  A bug in the parser in which '$(( 2 , 3.6 ))' dumped core for locales
-	  with radix char , and thousands separator . has been fixed.
-09-12-28  A bug in the handling of SIGCLD on systems that generated SIGCLD
-	  while blocked waiting for process to complete has been fixed.
-09-12-24  ast setlocale() reworked to differentiate env var changes from user
-	  override.
-09-12-18  A bug with the SHOPT_BGX option set which disabled traps for signals
-	  < SIGCHLD when a trap for a signal > SIGCHLD was set has been fixed.
-09-12-18  A bug where [[ -v var ]] was incorrect for some variables (including
-	  LC_* vars) has been fixed.
-09-12-15  A bug that produced a syntax error when a multibyte character
-	  straddled a buffer boundary has been fixed.
-09-12-11  A bug where the subscript of an unset variable was not evaluated has
-	  been fixed.
-09-12-09  A bug where shcomp dumped core on certain syntax errors has been fixed.
-09-12-07  A bug where a parent shell environment var reset in a subshell removed
-	  the value in subsequent children of the parent shell has been fixed.
-09-12-04  A bug in which in some cases a trap in a function executed in
-	  a subshell could trigger twice has been fixed.
-09-12-03  A bug in which SHLVL exported with some attributes could cause
-	  the shell to abort at startup has been fixed.
-09-12-02  A bug with pipefail in which the shell could hang waiting for the
-	  writer to complete before the last reader command has been fixed.
-09-11-30  A bug in which a trap could be inherited by the first element of
-	  a pipeline when the command had more than 63 arguments that did
-	  not contain any macro expansions has been fixed.
-09-11-19  When read from a terminal was called from with a while or foo loop,
-	  and an edit mode was on, a backspace or erase no longer will
-	  overwrite the prompt.
-09-11-17  Change .paths parse to handle BUILTIN_LIB=foo BUILTIN_LIB=foo-1.2.
-09-11-17  Inside a function, typeset foo.bar will bind foo to global variable
-	  foo if local variable foo does not exist, instead of creating a 
-	  local variable.
-09-11-17  "read -n1" from the terminal has been fixed to read exactly one character.
-09-11-11  Job control now works for subshell commands, (...).
-09-11-11  If set -e is on for an interactive shell errors in special builtins
-	  now cause the shell to exit.
-09-11-11  A bug in which an interrupt handler processed during the read builtin
-	  when IFS did not contain a new line has been fixed.
-09-11-09  A bug in which a variable that has been unset in a subshell and then
-	  exported from that subshell does not show up in the environment
-	  has been fixed.
-09-11-02  ``,2'' is now a valid numeric constant for locales with
-	  decimal_point=','.
-09-11-02  A bug where "return" in .profile did not restore the shell state
-	  has been fixed.
-09-10-31  A bug that corrupted saved exit status when pids wrapped around has
-	  been fixed.
-09-10-26  A bug in { LANG LC_ALL LC_category } ordering has been fixed in -last.
-09-10-16  A bug where notification to libast that the environment has changed
-          has been fixed.
-09-10-12  A bug in which a function loaded in a subshell could leave side
-	  effects in the parent shell has been fixed.
-09-10-12  A bug in converting a printf %d operand to a number when the operand
-	  contains multiple subscripts for the same variable has been fixed.
-09-10-09  A bug in the handling of the escape character \ in directory prefixes
-	  in command completion has been fixed.
-09-10-09  $PATH processing has been changed to delay dir stat() and .paths
-	  lookup until the directory is needed in the path search.
-09-09-28  Call the ast setlocale() intercept on unset too.
-09-09-24  A bug in which LANG=foo; LC_ALL=foo; unset LC_ALL; did not revert
-	  LC_CTYPE etc. to the LANG value has been fixed.
-09-09-17  A bug in which unsetting SVLVL could cause a script invoked by
-	  name without #! to core dump has been fixed.
-09-09-16  A bug in which a pipeline in a here-document could hang when the
-	  pipefail option was on has been fixed. 
-09-09-09  A bug in the processing of line joining in here documents which
-	  occurred when a buffer began with <escape><new-line> has been fixed.
-09-09-09  A leading ; with commands in a brace group or parenthesis group
-	  no longer causes an error.  It now is used for the "showme" option.
-09-09-09  A bug in which a subshell containing a background process could
-	  block until the background process completed has been fixed.
-09-09-04  A bug in handing ${var[sub]}, where var is a nameref has been fixed.
-09-09-03  A bug which caused an index array to have the wrong number of elements
-	  when it was converted from a compound variable by adding an another
-	  element has been fixed.
-09-09-03  Specifying export for a compound variable now generates an error.
-09-09-02  $"..." localizations strings are no longer recognized inside `...`.
-09-09-01  A bug in the for loop optimizer in the handling of type static
-	  variables has been fixed.
-09-09-01  An error message is not displayed when * and @ are used as subscripts.
-09-09-01  Several bugs in the processing for types that included an associative
-	  array of another type has been fixed.
-09-09-01  A bug in the tracing of [[ a < b ]] and [[ a > b ]] has been fixed.
-09-08-26  The .sh.file variable was not being set for a script that was run
-	  by name and didn't start with #! and this has been fixed.
-09-08-25  A bug in which a function called to deeply from command substitution
-	  did not display an error message has been fixed.
-09-08-24  When processing profiles, ksh93 now violates the POSIX standard and
-	  treats &> as a redirection operator similar to bash.
-09-08-23  A bug in the handling of the trap on SIGPIPE that could lead to a
-	  memory fault has been fixed.
-09-08-21  A bug in the handling of the comma operator in arithmetic expressions
-	  that could cause a core dump on some systems has been fixed.
-09-08-20  A bug in which a compound variable containing an array of a type
-	  that doesn't have any elements now expands correctly.
-09-08-19  A bug which disabled function tracing inside a function after
-	  a call to another function has been fixed.
-09-08-19  A bug in which initializing a compound variable instance to another
-	  compound variable by name has been fixed.
-09-08-18  A bug in which compound variable instances could be lost after
-	  an instance that invoked a type method discipline has been fixed.
-09-08-18  A bug in which a discipline function for a type applied to an
-	  array instance when invoked in a function ignored the subscript
-	  has been fixed.
-09-08-18  A scoping error with variables in arithmetic expression with
-	  type variables when reference with a name reference has been fixed.
-09-08-10  Several memory leaks were fixed primarily related to subshells.
-09-08-06  A bug in which setting the trap on CHLD to ignore could cause
-	  a script to hang has been fixed. 
-09-07-08  A bug in the processing of name reference assignments when it
-	  contained pattern expansions with quoting has been fixed.
-09-06-22  The default width for typeset -X has been changed so that there
-	  should be no loss of precision when converting to a string.
-09-06-19  A bug in the printing of array elements for binary variables with
-	  printf %B has been fixed.
-09-06-19  A bug which caused a core dump with trap DEBUG set with an array
-	  assignment with no elements has been fixed.
-09-06-19  A bug with read with typeset -b -Z<num> has been fixed.
-09-06-19  Two bugs related to read -b for array variables has been fixed.
-09-06-19  A bug with typeset for compound variables containing arrays of
-	  compound variables has been fixed.
-09-06-18  A bug in appending a compound variable to a an indexed array of
-	  compound variables has been fixed.
-09-06-18  A bug which occurs when appending a compound variable to an indexed
-	  array element has been fixed.
-09-06-18  Setting VISUAL to a value other than one ending in vi or emacs will
-	  no longer unset the edit mode.
-09-06-17  A bug in typeset -m when moving a local compound variable to a
-	  global compound variable via a name reference has been fixed.
-09-06-17  A bug in appending to nodes of an array of compound variables when
-	  addressing them via nameref has been fixed.
-09-06-17  A bug in typeset -p var, when var is an array of compound variables
-	  in which the output only contained on array element has been fixed.
-09-06-17  The prefix expansion ${!y.@} now works when y is a name
-	  reference to an element of an array.
-09-06-16  Traps on signals that are ignored when the shell is invoked
-	  no longer display.  Previously they were ignored as required but
-	  would be listed with trap -p.
-09-06-12  A bug in vi edit mode in which hitting the up arrow key at the
-	  end of a line longer than 40 characters which caused a core dump
-	  has been fixed. 
-09-06-11  A bug in which "eval non-builtin &" would create two processes,
-	  one for the & and another for non-builtin has been fixed.
-09-06-08  When var is an identifier and is unset, ${var} no longer tries to
-	  run command substitution on the command var.
-09-06-08  Process substitution arguments of the form <(command) can now be
-	  used following the < redirection operator to redirect from command.
-09-05-13  A bug in which redirections of the form 2>&1 1>&5 inside command
-	  substitution could cause the command substitution to hang has been
-	  fixed.
-09-05-12  To conform with POSIX, the -u option only checks for unset variables
-	  and subscript elements rather than checking for all parameters.
-09-05-12  A bug which could cause a core dump when a variable whose name
-	  begins with a . was referenced as part of a name reference inside
-	  a function has been fixed.
-09-05-01  A bug that caused a core dump when SIGWINCH was received and
-	  both vi and emacs mode were off has been fixed.
-09-04-22  Default alias compound='typeset -C' added.
-09-04-15  A bug that caused ${...;} to hang for large files has been fixed.
-09-04-08  A change was made in the -n option which printed out an incorrect
-	  warning with <>.
-09-04-07  The emacs edit command M-_ and M_. and the vi command _ was fixed
-	  to handle the case there there is no history file.
-09-04-05  A bug in handling new-lines with read -n has been fixed.
-09-04-05  The ENV variable defaults the the file named by $HOME/.kshrc rather
-	  then to the string $HOME/.kshrc.
-09-03-31  A bug in which a nested command substitution with redirections could
-	  leave a file descriptor open has been fixed.
-09-03-24  ksh now only uses the value of the _ variable on startup if it can
-	  verify that it was set by the invoking process rather than being
-	  inherited by some other ancestor.
-09-03-24  When ksh is invoked without -p and ruid!=euid, and the shell is
-	  compiled without SHOPT_P_UID or ruid<SHOPT_P_UID, the shell now
-	  enables the -p option.  The previous version instead set the
-	  euid to the ruid as it does for set +p.
-09-03-24  When SHOPT_P_UID is defined at compile time and the shell is started
-	  without -p and ruid!=euid and ruid>=SHOPT_P_UID then euid is set
-	  to ruid. A bug that did the wrong test (ruid<SHOPT_P_UID) was fixed.
-09-03-17  The sleep(1) builtin now accept and ISO 8601 PnYnMnDTnHnMnS
-	  duration or date(1) compatible date/time operand.
-09-03-10  If a variable that was left or right justified or zero-filled was
-	  changed with a typeset statement that was left or right justified
-	  or zero-filled, then the original justification no longer affects
-	  the result.
-09-03-10  A bug in the handling of traps when the last command in a script
-	  is a subshell grouping command has been fixed.
-09-03-03  A bug in which an expansion of the form ${!prefix@} could generate
-	  an exception after the return from a function has been fixed.
-09-02-02  A bug in restricted mode in which the value of ENV could be
-	  changed from within a function has been fixed.
-09-02-02  A bug in which an erroneous message indicating that a process
-	  terminated with a coredump has been fixed.
-09-02-02  The exit status when exit was called without an argument from
-	  a signal handler was incorrect and has been fixed.
-09-02-02  A bug in which a function autoloaded in a subshell could cause
-	  a core dump when the subshell completed has been fixed.
-09-02-02  A bug in which 2>&1 inside a command substitution wasn't working
-	  correctly has been fixed.
-09-02-02  A bug in the call stack of arithmetic function with 2 args
-	  returning int has been fixed.
-09-01-30  A bug in which 'eval print \$0' inside a function was giving the
-	  wrong value for $0 has been fixed.
-09-01-28  A bug in which a command substitution could return an exit status
-	  of 127 when the pipefail option is enabled has been fixed.
-09-01-26  ksh93 now generates an error message if you attempt to create
-	  a global name reference to a local variable.
-09-01-26  The [[ -v var ]] operator was modified to test for array elements.
-09-01-23  The redirection operator <>; was added.  It is similar to <>
-	  except that if the command it is applied to succeeds, the file
-	  is truncated to the offset at the command completion.
-09-01-23  The default file descriptor for <> was changed to 1.
-09-01-20  A bug in which the exit status specified in an exit trap was
-	  not used when a process terminated with a signal has been fixed.
-09-01-19  A bug in which a signal whose default action is to terminate
-	  a process could be ignored when the process is running a sub-shell
-	  has been fixed.
-09-01-19  A bug in which sending SIGWINCH to a process that reads from a pipe
-	  could cause a memory fault has been fixed.
-09-01-16  The -R unary operator was added to [[...]] and test to check whether
-	  a variable is a  name reference.
-09-01-16  The -v unary operator was added to [[...]] and test to check whether
-	  a variable is set.
-09-01-14  The unset built-in was modified to return 0 exit status when
-	  unsetting a variable that was unset to conform with the POSIX
-	  standard.
-09-01-14  The unset built-in was modified to continue to unset variables
-	  after encountering a variable that it could not unset to
-	  conform to the POSIX standard.
-09-01-14  The parameter expansion ${x+value} no longer expands the value of
-	  the variable x when determining whether x is set or not.
-09-01-13  A bug in which background jobs and pipelines that were not waited
-	  for could, in rare instances, cause the shell to go into an infinite
-	  loop or fail has been fixed.
-09-01-06  A bug in indexed arrays of compound variables in which referencing
-	  non-existent sub-variable in an arithmetic expression could cause
-	  the sub-variable to be created has been fixed.
-09-01-05  A bug in which the \ character did not escape extended regular
-	  expression pattern characters has been fixed.
-08-12-24  A bug in which killing the last element of a pipe did not cause
-	  a write to the pipe to generate a SIGPIPE has been fixed.
-08-12-19  A bug which could cause command substitution to hang when the
-	  last element of a pipeline in a command substitution was a built-in
-	  and the output was more that PIPE_BUFF.
-08-12-18  A bug which occurs when a here documented marker embedded in a
-	  command substitution occurs on a buffer boundary has been fixed.
-08-12-17  A bug in the output of typeset -p for variables that had attributes
-	  but did not have a value has been fixed.
-08-12-16  A bug in which a name reference to a name reference variable that
-	  references an array element has been fixed.
-08-12-16  A bug in which a variable given both the -A and -C attribute along
-	  with an initial assignment didn't work correctly has been fixed.
-08-12-10  The [[ -t fd ]] test was fixed to handle fd>9.
-08-12-10  A bug where function stack misalignment could cause a bus error
-	  has been fixed.
-08-12-09  Command completion was changed to use \ to quote special characters
-	  instead of quoting the argument in single quotes.
-08-12-07  A bug in typeset -m which occurred when the target node was an
-	  associative array element has been fixed.
-08-12-07  A timing bug on some systems (for example darwin), that could
-	  cause the last process of a pipeline entered interactively to fail
-	  with an "Exec format error" has been fixed.
-08-12-04  SHOPT_BGX enables background job extensions. Noted by "J" in
-	  the version string when enabled. (1) JOBMAX=n limits the number
-	  of concurrent & jobs to n; the n+1 & job will block until a
-	  running background job completes. (2) SIGCHLD traps are queued
-	  so that each completing background job gets its own trap; $! is
-	  set to the job pid and $? is set to the job exit status at the
-	  beginning of the trap. (3) sleep -s added to sleep until the time
-	  expires or until a signal is delivered.
-08-12-04  The sign of floating point zero is preserved across arithmetic
-	  function calls.
-08-12-04  A bug that caused print(1) to produce garbled stdout/stderr
-	  output has been fixed.
-08-12-04  A bug in which printf "%d\n" "'<euro>'" did not output the
-          numerical value of the EURO symbol, 8354, has been fixed.
-08-11-24  /dev/fd* and /dev/std* redirections are first attempted with
-	  open() to preserve seek semantics; failing that the corresponding
-	  file descriptors are dup()'d.
-08-11-20  A bug which could cause a core dump if a function compiled with
-	  shcomp was found has been fixed.
-08-11-20  A bug in which jobs were not cleared from the jobs table for
-	  interactive shells when the pipefail option is on has been fixed.
-08-11-11  A bug in which a field that was unset in a type definition and later
-	  set for an instance could appear twice when displaying the variable
-	  has been fixed.
-08-11-11  A bug in which running a simple command & inside a function would
-	  not return the correct process id has been fixed.
-08=11-10  A bug in which the exit status of a command could be lost if the pid
-	  was that of the most recent command substitution that had completed
-	  has been fixed.
-08-11-10  The maximum depth for subshells has been increased from 256 to 65536.
-08-11-06  A bug which could cause a core dump when the _ reference variable was
-          used as an embedded type with a compound assignment has been fixed.
-
-08-10-31  --- Release ksh93t  ---
-08-10-31  Variable scoping/initialization bugs that could dump core were fixed.
-08-10-24  The lexer now accepts all RE characters for patterns prefixed
-	  with a ksh ~(...) option expression.
-08-10-24  For ${var/pat/sub} \0 in sub expands to the text matched by pat.
-08-10-18  A bug in array scoping that could dump core has been fixed.
-08-10-10  read -n and -N fixed to count characters in multibyte locales.
-08-10-10  A bug that mishandled _.array[] type references has been fixed.
-08-10-09  ${.sh.version} now contains a concatenation of the following (after
-	  'Version') denoting compile time features:
-		A	SHOPT_AUDIT
-		B	SHOPT_BASH
-		L	SHOPT_ACCT
-		M	SHOPT_MULTIBYTE
-08-10-09  A bug that caused subshell command substitution with redirection
-	  to hang has been fixed.
-08-10-08  Output errors, other than to stderr, now result in a diagnostic.
-08-10-08  ksh93 now supports types that contain arrays of other types as
-	  members.  Earlier versions core dumped in this case.
-08-10-05  A bug which caused the shell to emit a syntax error for an arithmetic
-	  statement of the form (( var.name[sub] = value)) has been fixed.
-08-10-01  A bug that caused subshell command substitution to hang has
-	  been fixed.
-08-09-29  When the -p export option of typeset is used with other options,
-	  only those variables matching the specified options are displayed.
-08-09-29  When the shell reads the environment and finds variables that are
-	  not valid shell assignments, it now passes these on to subsequent
-	  commands rather than deleting them.
-08-09-29  A bug in the display of compound variables containing an indexed
-	  array of compound variables has been fixed.
-08-09-29  A bug in the display of compound variables containing an associative
-	  array with a subscript containing a . in the name has been fixed.
-08-09-26  A core dump in the subshell environment restore has been fixed.
-08-09-24  $(...) has been fixed to properly set the exit status in $?.
-08-09-23  $(<...) with IFS=$'\n\n' has been fixed to retain all but the last
-	  of multiple trailing newlines.
-08-09-23  The -p option to typeset when used with other attributes, restricts
-	  the output to variables with the specified attributes.
-08-09-22  A bug that sometimes lost the exit status of a job has been fixed.
-08-09-21  A bug that retained trailing command substitution newlines in
-	  cases where the command caused the shell to fork has been fixed.
-08-09-19  type, whence -v, and command -v were fixed to comply with POSIX
-	  by writing 'not found' diagnostics to the standard error.
-08-09-18  test and [...] were fixed to comply with POSIX in the case
-	  of test '(' binop ')' where binop is a valid binary test operator.
-08-09-16  If a method discipline named create is specified when defining a
-	  type, this function will be called when an instance is created.
-08-09-15  The variable _ is now set as a reference to the compound variable
-	  when defining a compound variable or a type.
-08-09-10  The shell now prints an error message when the type name specified
-	  for an indexed array subscript is not an enumeration type.
-08-09-10  A bug in which a subshell that spawned a background process could
-	  loose output that was produced after the foreground completed
-	  has been fixed.
-08-09-10  A timing bug on some systems that could cause coprocesses started by a
-	  subshell to not clean up and prevent other coprocesses has been fixed.
-08-09-09  The typeset -m option is now able to rename array elements from
-	  the same array.
-08-09-09  The exit status of 2 from the DEBUG trap causes the next command
-	  to be skipped.  An exit value of 255 from a DEBUG trap called from
-	  a function causes the function to return. 
-08-09-08  A bug in which a coprocess created in a subshell that did not
-	  complete when the subshell terminated could prevent a coprocess
-	  from being created in the parent shell has been fixed.
-08-09-05  An assignment of the form name1=name2 where name1 and name2
-	  are both compound variables causes name1 to get a copy of name2.
-	  name1+=name2 causes name2 sub-variables to be appended to name1.
-08-09-05  A bug in which unsetting a compound variable did not unset all
-	  the sub-variables has been fixed.
-08-09-01  A bug in the subshell cleanup code that could cause SIGSEGV has
-	  been fixed.
-06-08-26  The SHLVL variable which is an environment variable used by bash
-          and zsh that gets incremented when the shell starts.
-08-08-25  For an indexed array, a negative subscript now refers to offsets
-	  from the end so that -1 refers to the last element.
-08-08-24  An alignment error for shorts on 64 bit architectures has been fixed.
-08-08-22  If oldvar is a compound variable, typeset -C newvar=oldvar creates 
-	  newvar as a copy of oldvar.
-08-08-19  The ALRM signal no longer cause the sleep builtin to terminate.
-08-08-13  When used in an arithmetic expression, the .sh.version variable  
-	  now produces a number that will be increasing for each release.
-08-08-11  A bug in which type instantiation with a compound assignment in
-	  a dot script in which the type is defined has been fixed. 
-08-08-07  The -m option has been added to typeset to move or rename a
-	  variable.  Not documented yet.
-08-08-06  A bug in read when used in a loop when a prompt was specified
-	  when reading from a terminal has been fixed.
-08-08-01  A bug with the pipefail option in which a nested pipeline could
-	  cause an asynchronous command to block has been fixed.
-08-08-01  A for loop optimizer bug that treats .sh.lineno as an invariant
-	  has been fixed.
-08-07-30  A bug in which expanding compound variable that had a get discipline
-	  from with a here document could cause a syntax error has been fixed.
-08-07-18  A bug in which a nameref caused a local variable to be created
-	  rather than binding to an existing variable in the global scope
-	  has been fixed.
-08-07-17  A bug which occurred when a nameref was created from within a
-	  function that was  part of a pipeline has been fixed.
-08-07-14  The compile option SHOPT_STATS was added. With this option the
-	  compound variable .sh.stats keeps usage statistics that could help
-	  with performance tuning.
-08-07-10  The output of set now always uses a single line for each variable.
-	  For array variables, the complete set of values is now displayed.
-08-07-09  The typeset -C option can be used with arrays to indicate that
-	  each element should default to a compound variable.
-08-07-08  The %B format now outputs compound variables and arrays.  The
-	  alternate flag # can be used to cause output into a single line.
-08-07-03  When the window change signal, WINCH, is received, the current
-	  edit line is redrawn in place. 
-08-07-01  A bug in the handling of shared variables when inside an embedded
-	  type has been fixed.
-08-06-29  A bug in multiline edit mode which occurred when the prompt length
-	  was three characters or less has been fixed.
-08-06-23  A bug in which the SIGCLD was not be triggered when background
-	  jobs completed has been fixed.
-08-06-23  KSH_VERSION added as a name reference to .sh.version.
-08-06-20  type now outputs 'special builtin' for special builtins.
-08-06-19  A couple of bugs in multi-dimensional arrays have been fixed.
-08-06-19  A bug in which a syntax error in a dot script could generated
-	  a syntax error in the next subsequent command has been fixed.
-08-06-17  Reduced the maximum function call depth to 2048 to avoid exceptions
-	  on some architectures.
-08-06-16  A bug in which printf "%B" could generate an exception when the
-	  specified variable was not set has been fixed.
-08-06-16  When typeset -p is followed by variable names, it now displays
-	  the attributes names and values for the specific names.
-08-06-14  A bug that could effect the drawing of the screen from multiline
-	  emacs or gmacs mode when walking up the history file has been fixed.
-08-06-13  A bug in which a compound variable defined in a subshell could
-	  have side effects into the parent shell has been fixed.
-08-06-13  A number of bugs related to using .sh.level to set the stack from
-	  for DEBUG traps have been fixed.
-08-06-13  The .sh.lineno variable has been added.  When .sh.level is changed
-	  inside a DEBUG trap, the .sh.lineno contains the calling line number
-	  for the specified stack frame.
-08-06-13  The .sh.level variable has been documented and now works.
-08-06-11  The -C option has been added to read for reading compound command
-	  definitions from a file.
-08-06-11  The . command is now permitted inside a compound command definition.
-	  The dot script can contain declaration commands and dot commands.
-08-06-09  Add -C option to typeset so that typeset -C foo, is equivalent
-	  to foo=().
-08-06-09  Added -n warning message for typeset option orderings that are valid
-	  with ksh88 but not valid with ksh93, for example Lx5.
-08-06-09  A bug in which the return value for an assignment command containing
-	  a command substitution with that failed was zero when the assignment
-	  contained redirections has been fixed.
-08-06-09  A bug in the quoting of $ inside a ERE pattern ~(E)(pattern)
-	  has been fixed.
-08-06-06  A bug when processing `` command substitution with the character
-	  sequence \$' has been fixed.
-08-06-02  When defining a type, the typeset -r attribute causes this field
-	  to be required to be specified for each instance of the type and
-	  does not allow a default value.
-08-06-02  Several bugs in which compound variables were modified by
-	  subshells have been fixed.
-08-05-22  The ceil function has been added to the math functions.
-08-05-21  A bug in which a name reference defined in a function and passed
-	  as an argument to another function could cause an incorrect binding.
-08-05-21  A bug in freeing compound variables that are local to functions
-	  has been fixed.
-08-05-19  The array expansions ${array[sub1..sub2]} and ${!array[sub1..sub2]}
-	  to expand to the value (or subscripts) for array between sub1 and
-	  sub2 inclusive.  For associative arrays, the range is based on
-	  location in the POSIX locale.  The .. must be explicit and cannot
-	  result from an expansion.
-08-05-15  The trap on SIGCLD is no longer triggered by the completion of
-	  the foreground job as with ksh88.
-08-05-14  A bug in the implementation of the editing feature added on 
-	  07-09-19 in emacs mode has been fixed.
-08-05-12  A bug in processing the test built-in with parenthesis has been
-	  fixed.
-08-05-12  The unset built-in now returns non-zero when deleting an array
-	  subscript that is not set.
-08-05-08  Changing the value of HISTFILE or HISTSIZE will cause the old
-	  history file to be close and reopened with the new name or size.
-08-05-08  When FPATH is changed functions that were found via a path search
-	  will be searched for again.
-08-05-08  A parser bug in which reserved words and labels were recognized
-	  inside compound indexed array assignment after a new-line has
-	  been fixed.
-08-05-07  A bug in getopts when handling numerical option arguments has
-	  been fixed.
-08-05-07  The typeset -S option was added for variables outside type
-	  definitions to provide a storage class similar to C static
-	  inside a function defined with function name.  When outside
-	  type definitions and outside a function, the -S option cause
-	  the specified variable so be unset before the assignment and
-	  before the remaining attributes are supplied.
-08-05-07  A bug that affected the cursor movement in multiline mode when
-	  a character was deleted from near the beginning of the any
-	  line other than the first.
-08-05-01  In multiline edit mode, the refresh operation will now clear
-	  the remaining portion of the last line.
-08-05-01  A bug in computing prompt widths for the edit modes for prompts
-	  with multibyte characters has been fixed.
-08-05-01  A bug in the multiline edit mode which could cause the current
-	  line to be displayed incorrectly when moving backwards from third
-	  or higher line to the previous line has been fixed.
-08-05-01  A bug in which options set in functions declared with the function
-	  name syntax were carried across into functions invoked by these
-	  functions has been fixed.
-08-04-30  A bug which could cause a coprocess to hang when the read end
-	  is a builtin command has been fixed.
-08-04-30  The emacs and vi editors have been modified to handle window
-	  change commands as soon as they happen rather than waiting for
-	  the next command.
-08-04-28  A bug in which ${!x} did not expand to x when x was unset has been
-	  fixed.
-08-04-27  A bug in which the assignment x=(typeset -a foo=([0]=abc)) created
-	  x.foo as an associative array has been fixed.
-08-04-25  A bug in which $# did not report correctly when there were more
-	  than 32K positional parameters has been fixed.
-08-04-04  Choose the name _ as the sub-variable that holds type or instance
-	  specific data used by discipline functions.
-08-03-27  A bug in which the terminal group was not given back to the parent
-	  shell when the last part of a pipeline was handled by the parent shell
-	  and the other parts of the pipeline complete has been fixed. 
-	  The symptom was that the pipeline became uninterruptable.
-08-03-25  A bug in restricted mode introduced in ksh93s that caused scripts
-	  that did not use #! to executed in restricted mode has been fixed.
-08-03-25  A bug in which the pipefail option did not work for a pipeline
-	  within a pipeline has been fixed.
-08-03-24  A bug in which OPTIND was not set correctly in subshells has
-	  been fixed.
-08-03-24  A bug which could cause a memory exception when a compound variable
-	  containing an indexed array with only element 0 defined was expanded.
-08-03-20  A bug in which ${!var[sub].*} was treated as an error has been fixed.
-08-03-20  Associative array assignments of the form ([name]=value ...)
-	  now allow ; as well as space tab and new line to separate elements.
-08-03-18  A buffering problem in which standard error was sometimes
-	  not flushed before sleep has been fixed.
-08-03-17  A bug in which a signal sent to $$ while in a subshell would be
-	  sent to the subshell rather than the parent has been fixed.
-08-03-17  --default option added to set(1) to handle set +o POSIX semantics.
-	  set --state added as a long name alias for set +o.
-08-03-14  A bug in which using monitor mode from within a script could
-	  cause the terminal group to change has been fixed.
-08-03-10  The new ${...} command substitution will treat the trailing }
-	  as a reserved word even if it is not at the beginning of a command,
-	  for example, ${ date }.
-08-03-10  If the name of the ENV begins with /./ or ././ then the
-	  /etc/ksh.kshrc file will not be executed on systems that support
-	  this interactive initialization file.
-08-03-07  A bug in which ksh -i did not run the ENV file has been fixed.
-08-03-07  A bug in which ulimit did not always produce the same output as
-	  ulimit -fS has been fixed.
-08-03-04  A bug in multiline mode in emacs and vi mode which could cause the
-	  cursor to be on the wrong line when interrupt was hit has been fixed.
-08-03-03  The change made in ksh93s+ on 07-06-18 in which braces became
-	  optional for ${a[i]} inside  [[...]] was restored in the case
-	  where the argument can be a pattern.
-08-03-03  A bug in which creating a name reference to an associative array
-	  instance would fail when the subscript contained characters [ or
-	  ] has been fixed.
-08-02-29  The redirection operator >; has been added which for non-special
-	  files, generates the output in a temporary file and writes the
-	  specified file only of the command has completed successfully.
-08-02-15  A bug in ${var/pattern/string} for patterns of the form ?(*) and +(*)
-	  has bee fixed.
-08-02-07  A bug in which test \( ! -e \) produced an error has been fixed.
-08-02-14  The typeset -a option can now optionally be followed by the name
-	  of an enumeration type which allows subscripts to be enumerations.
-08-02-14  The enum builtin which creates enumeration types has been added.
-08-02-12  The backoff logic when there are no more processes has been fixed.
-08-02-07  The -X option has been added to typeset.  The -X option creates
-	  a double precision number that gets displayed using the C99 %a
-	  format.  It can be used along with -l for long double.
-08-01-31  The -T option to typeset has been added for creating typed
-	  variables.  Also the -h and -S options have been added to
-	  typeset that are only applicable when defining a type.
-08-01-31  The prefix expansion operator @ has been added.  ${@name}
-	  expands to the type of name or yields the attributes.
-07-11-15  A bug in the macro expander for multibyte characters in which
-	  part of the character contains a file pattern byte has been fixed. 
-07-10-03  A bug in which : was not allowed as part of an alias name has been
-	  fixed.
-07-09-26  A bug in which appending a compound variable to a compound variable
-	  or to an index array didn't work has been fixed.
-07-09-19  In both emacs and vi edit mode, the escape sequence \E[A (usually
-	  cursor up, when the cursor is at the end of the line will fetch
-	  the most recent line starting with the current line.
-07-09-18  The value of ${!var} was correct when var was a reference to an
-	  array instance.
-07-09-18  The value of ${!var[sub]} was not expanding to var[sub] and this
-	  was fixed.  It also fixed ${name} where name is a name reference
-	  to var[sub].
-07-09-18  It is now legal to create a name reference without an initialization.
-	  It will be bound to a variable on the first assignment.
-07-08-30  A discipline function can be invoked as ${x.foo} and is equivalent
-	  to ${ x.foo;} and can be invoked as x.foo inside ((...)).
-07-07-09  A bug in which typeset -a did not list indexed arrays has been
-	  fixed.
-07-07-03  The command substitution ${ command;} has been added.  It behaves
-	  like $(command) except that command is executed in the current
-	  shell environment.  The ${ must be followed by a blank or an
-	  operator.
-
-08-04-17  --- Release ksh93s+  ---
-08-04-17  A bug in which umask was not being restored correctly after a
-          subshell has been fixed.
-08-04-15  A bug in which sending a STOP signal to a job control shell started
-	  from within a shell function caused cause the invoking shell to
-	  terminate has been fixed.
-08-04-11  A bug which caused $(exec > /dev/null) to go into an infinite loop
-	  has been fixed.
-08-03-27  A bug in which typeset -LZ was being treated as -RZ has been fixed.
-08-03-06  A bug with ksh -P on systems that support the the profile shell,
-          in which it would exit after running a non-builtin has been fixed.
-08-01-31  A bug in which command substitution inside ((...)) could cause
-	  syntax errors or lead to core dumps has been fixed.
-08-01-17  A bug in which discipline functions could be deleted when invoked
-	  from a subshell has been fixed.
-08-01-17  A bug in which a command substitution consisting only of
-	  assignments was treated as a noop has been fixed.
-08-01-17  A bug in which discipline functions invoked from withing a
-	  compound assignment could fail has been fixed.
-08-01-16  Incomplete arithmetic assignments, for example ((x += )), now
-	  generate an error message.
-08-01-16  A bug in which a set discipline defined for a variable before
-	  an array assignment could cause a core dump has been fixed. 
-08-01-03  A bug in on some systems in which exit status 0 is incorrectly
-	  returned by a process that catches the SIGCONT signal is stopped 
-	  and then continued.
-07-12-13  A race condition in which a program that has been stopped and then
-	  continued could loose the exit status has been fixed.
-07-12-12  Code to check for file system out of space write errors for all
-	  writes has been added.
-07-12-11  A bug in the macro expander for multibyte characters in which
-	  part of the character contains a file pattern byte has been fixed. 
-07-12-06  A bug in the emacs edit mode when multiline was set that output
-	  a backspace before the newline to the screen has been fixed.
-07-12-04  A bug in which using <n>TAB after a variable name listing expansion
-	  in the edit modes would cause the $ to disappear has been fixed.
-07-11-28  A bug in which setting IFS to readonly could cause a subsequent
-	  command substitution to fail has been fixed.
-07-11-27  A work around for a gcc 4.* C99 "feature" that could cause a job
-	  control shell to go into an infinite loop by adding the volatile
-	  attribute to some auto vars in functions that call setjmp().
-07-11-27  A bug in which the shell could read ahead on a pipe causing the
-	  standard input to be incorrectly positioned has been fixed.
-07-11-27  A bug in which compound variable UTF-8 multibyte values were not
-	  expanded or traced properly has been fixed.
-07-11-21  A bug where an unbalanced '[' in a command argument was not treated
-	  properly has been fixed.
-07-11-15  A bug in which compatibility mode (no long option names) getopts(1)
-	  incorrectly set the value of OPTARG for flag options has been fixed.
-07-11-15  A bug in which "hash -- name" treated "--" as an invalid name operand
-	  has been fixed.
-07-11-15  typeset now handles "-t -- [-r] [--]" for s5r4 hash(1) compatibility.
-07-11-15  A bug in which the umask builtin mis-handled symbolic mode operands
-	  has been fixed.
-07-11-15  Bugs in which shell arithmetic and the printf builtin mis-handled the
-	  signs of { -NaN -Inf -0.0 } have been fixed.
-07-11-15  The full { SIGRTMIN SIGRTMIN+1 ... SIGRTMAX-1 SIGRTMAX } range
-	  of signals, determined at runtime, are now supported.
-07-11-15  A bug in which creating an index array with only subscript 0 created
-	  only a simple variable has been fixed.
-07-11-14  A bug in which appending to an indexed array using the form
-	  name+=([sub]=value) could cause the array to become an associative
-	  array has been fixed.
-07-11-14  A bug in which typeset without arguments could coredump if a
-	  variable is declared as in indexed array and  has no elements has
-	  been fixed.
-07-11-14  A bug in which creating a local SECONDS variable with typeset in
-	  a function could corrupt memory has been fixed.
-07-11-14  A bug which could cause a core dump when a script invoked by name
-	  from a function used compound variables has been fixed.
-07-11-05  A bug in which printf %d "'AB" did not diagnose unconverted characters
-	  has been fixed.
-07-11-05  printf %g "'A" support added for all floating point formats.
-07-11-01  A bug in which typeset -f fun did not display the function definition
-          when invoked in a subshell has been fixed.
-07-10-29  The sleep builtin was fixed so that all floating point constants
-	  are valid operands.
-07-10-10  A bug in which the locale was not being restored after
-          LANG=value command has been fixed.
-07-09-20  A bug in which a nameref to a compound variable that was local
-	  to the calling function would not expand correctly when displaying
-	  is value has been fixed.
-07-09-19  A bug which cause cause a core dump if .sh.edchar returned
-	  80 characters or more from a keyboard trap has been fixed.
-07-09-14  A bug in which could cause a core dump when more than 8 file
-	  descriptors were in use has been fixed.
-07-09-10  A bug in which creating a name reference to an instance of
-	  an array when the array name is itself a reference has been fixed.
-07-09-10  The file completion code has been modified so that after an = in
-	  any word, each : will be considered a path delimiter.
-07-09-06  A bug in which subprocess cleanup could corrupt the malloc() heap
-          has been fixed.
-07-08-26  A bug in which a name reference to an associative array instance
-	  could cause the subscript to be evaluated as an arithmetic expression
-	  has been fixed.
-07-08-22  A bug in which the value of an array instance was of a compound
-	  variable was not expanded correctly has been fixed.
-07-08-14  A bug which could cause a core dump when a compound assignment was
-	  made to a compound variable element with a typeset -a attribute
-	  has been fixed.
-07-08-08  A bug in which a trap ignored in a subshell caused it to be
-	  ignored by the parent has been fixed.
-07-08-07  A bug in which the set command would generated erroneous output
-	  for a variable with the -RZ attribute if the variable name had been
-	  passed to a function has been fixed.
-07-08-02  A bug in which read x[1] could core dump has been fixed.
-07-08-02  A second bug in which after read x[sub] into an associative array
-	  of an element that hasn't been assigned could lead to a core dump
-	  has been fixed.
-07-07-31  A bug in which a pipeline that completed correctly could have
-	  an exit status of 127 when pipefail was enabled has been fixed.
-07-07-09  The SHOPT_AUDIT compile option has been added for keyboard logging.
-07-06-25  In vi insert mode, ksh no longer emits a backspace character
-	  before the carriage return when the newline is entered. 
-07-06-25  A bug in which pipefail would cause a command to return 0
-	  when the pipeline was the last command and the failure happened
-	  on a component other than the last has been fixed.
-07-06-25  A bug in the expansion of ${var/pattern/rep} when pattern or rep
-	  contained a left parenthesis in single quotes has been fixed.
-07-06-18  The braces for a subscripted variable with ${var[sub]} are now
-	  optional when inside [[...]], ((...)) or as a subscript.
-07-05-28  A bug in brace expansion in which single and double quotes did
-          not treat the comma as a literal character has been fixed.
-07-05-24  The -p option of whence now disables -v.
-07-05-23  Several bug fixes in compound variables and arrays of arrays
-	  have been made.
-07-05-15  A bug in which the %B format of printf was affected  by the
-	  locale has been fixed.
-07-05-14  A bug in which \ was not removed in the replacement pattern with
-	  ${var/pattern/rep} when it was not followed by \ or a digit has
-	  been fixed.
-07-05-10  A bug in which ksh -R file core dumped if no script was specified
-	  has been fixed.  it not displays an error message.
-07-05-07  Added additional Solaris signals to signal table.
-07-04-30  A bug in which a pipeline with command substitution inside a
-	  function could cause a pipeline that invokes this function to
-	  hang when the pipefail option is on has been fixed.
-07-04-30  Added -q to whence.
-07-04-18  A small memory leak with each redirection of a non-builtin has
-	  been fixed.
-07-03-08  A bug in which set +o output command line options has been fixed.
-07-03-08  A bug in which an error in read (for example, an invalid variable
-	  name), could leave the terminal in raw mode has been fixed.
-07-03-06  A bug in which read could core dump when specified with an array
-	  variable with a subscript that is an arithmetic expression has
-	  been fixed.
-07-03-06  Several serious bugs with the restricted shell were reported and
-	  fixed.
-07-03-02  If a job is stopped, and subsequently restarted with a CONT
-	  signal and exits normally, ksh93 was incorrectly exiting with
-	  the exit status of the stop signal number.
-07-02-26  M-^L added to emacs mode to clear the screen.
-07-02-26  A bug in which setting a variable readonly in a subshell would
-	  cause an unset error when the subshell completed has been fixed. 
-07-02-19  The format with printf uses the new = flag to center the output.
-07-02-19  A bug in which ksh93 did not allow multibyte characters in
-	  identifier names has been fixed.
-07-02-19  A bug introduced in ksh93 that causes global compound variable
-	  definitions inside functions to exit with "no parent" has been fixed.
-07-02-19  A bug in which using compound commands in process redirection
-	  arguments would give syntax errors <(...) and >(...) has been fixed.
-07-01-29  A bug which caused the shell to core dump which can occur when a
-	  built-in exits without closing files that it opens has been fixed.
-07-01-26  A bug in which ~(E) in patterns containing \ that are not inside ()
-	  has been fixed.
-
-06-12-29  --- Release ksh93s  ---
-06-12-29  A bug in which the value of IFS could be changed after a command
-	  substitution has been fixed. 
-06-12-22  /dev/(tcp|udp|sctp)/HOST/SEVRICE now handles IPv6 addresses on
-	  systems that provide getaddrinfo(3).
-06-12-19  A -v option was added to read.  With this option the value of
-	  the first variable name argument will become the default value
-	  when read from a terminal device. 
-06-11-20  A bug in which "${foo[@]:1}}" expands a null argument (instead of
-	  no argument), when foo[0] is not empty has been fixed. 
-06-11-16  The discipline functions have been modified to allow each subscript
-	  to act independently.  Currently the discipline function will not
-	  be called when called from a discipline function of the same variable.
-06-11-14  A bug which could cause a core dump if a file descriptor for
-	  an internal file was closed from with a subshell has been fixed.
-06-10-30  The redirections <# pattern, and <## pattern have been added.
-	  Both seek forward to the beginning of the next line that contains
-	  the pattern.  The <## form copies the skipped portion to standard
-	  output.
-06-10-26  On systems that support stream control transport, the virtual file
-	  name /dev/sctp/host/port can now be used to establish connections.
-06-10-26  The printf modifier # when used with d produces units in thousands
-	  with a single letter suffix added.  The modifier # when used with
-	  the i specification provides units of 1024 with a two letter suffix.
-06-10-24  The value of $! is now set to the process id of a job put
-	  into the background with the bg command as required by POSIX.
-06-10-23  A bug in which the value of $! was affected by a background
-	  job started from a subshell has been fixed.
-06-10-23  A bug in ${var:offset:len} in multibyte locales has been fixed.
-06-10-15  The remaining math functions from C99 were added for any system
-	  that supports them.
-06-10-13  The klockwork.com software detected a few coding errors that
-	  have been fixed.
-06-10-12  A bug when skipping over `...` with ${x:=`...`} when x is set
-	  has been fixed.
-06-10-11  A bug in process floating constants produced by the %a format
-	  of printf has been fixed.
-06-10-06  A bug in which IFS was not being restored correctly in some
-	  cases after a subshell has been fixed.
-06-10-06  A bug in which pipefail was not detecting some failures in
-	  pipelines with 3 or more states has been fixed.
-06-10-03  A bug in the processing of >(...) with builtins which could
-	  cause the builtin to hang has been fixed.
-06-10-03  A bug in the for loop optimizer which causes >(...) process
-	  substitution to be ignored has been fixed.
-06-09-17  The -a option was added to typeset for indexed arrays.  This
-	  is only needed when using the ([subscript]=value ...) form.
-06-09-06  The showme option was added.  Each simple command not beginning
-	  with a redirection and not occurring with in the while, until, if,
-	  select condition can be preceded by a semi-colon which will
-	  be ignored when showme is off.  When showme is on, any command
-	  preceded by a colon will be traced but not executed.
-06-08-16  As a new feature, a leading ~(N) on a pattern has no effect 
-	  except when used for file expansion.  In this case if not
-	  matches are found, the pattern is replaced by nothing rather
-	  than itself.
-06-08-11  A bug in the expansion of ${.sh.match[i]:${#.shmatch[i]}} has
-	  been fixed.
-06-08-10  The read builtin options -n and -N have been modified to treat
-          the size as characters rather than bytes unless storing into a
-	  binary (typeset -B) variable.
-06-07-27  When the here document operator << is followed directly by a #
-	  rather than a -, the first line of the here-document determines
-	  how much whitespace is removed for each line.
-06-07-26  A bug in the C-shell history (enabled with set -H) in which the
-	  history event !$ was not processed has been fixed.
-06-07-21  A bug on some systems in which assigning PATH on a command line
-	  would not take effect has been fixed.
-06-07-20  Add ksh93 and rksh93 as allowable names for ksh binaries.
-06-07-20  Removed the SHOPT_OO compilation option which was only partially
-	  implemented.
-06-07-20  The ability to use egrep, grep, and fgrep expressions within
-	  shell patterns has been documented.
-06-07-17  A bug with arithmetic command expressions for locales in which
-	  the comma is a thousands separator has been fixed. 
-06-07-13  The default HISTSIZE was increased from 128 to 512.
-06-07-13  A multibyte problem with locales that use shift codes has been fixed.
-06-06-23  A number of bug fixes for command, file, and variable completion
-	  have been mode.
-06-06-20  Floating point division by zero now yields the constant Inf or -Inf
-	  and floating functions with invalid arguments yield NaN. 
-06-06-20  The floating point constants Inf and NaN can be used in arithmetic
-	  expressions.
-06-06-20  The functions isinf(), isnan(), tanhl() have been added for
-	  arithmetic expressions.
-06-06-13  Internal change to use ordering for variables instead of hashing
-	  to speed up prefix matching.
-06-06-13  A window between fork/exec in which a signal could get lost
-	  and cause a program to hang has been eliminated
-06-06-13  A bug in edit completion with quoted strings has been fixed.
-06-06-07  The restricted options can now be enabled by set as well as on
-	  the command line.  Once set, it can not be disabled.
-06-06-04  Modified built-in binding so that for systems for which /bin
-          and /usr/bin are the same, a builtin bound to /bin will get
-	  selected when either /bin or /usr/bin is scanned.
-06-06-04  Added literal-next character processing for emacs/gmacs mode. 
-	  This change is not compatible with earlier versions of ksh93
-          and ksh88 when the stty lnext is control-v.  The sequence
-	  escape-control-v will display the shell version.
-06-05-31  Modified emacs and vi mode so that entering a TAB after a partial
-	  TAB completion, generates a listing of possible completions.
-	  After the second TAB, a number followed by a TAB will perform
-	  the completion with the corresponding item.
-06-05-19  Modified arithmetic so that conversions to strings default to
-	  the maximum number of precision digits.
-06-05-16  Bug fixes for multibyte locales. 
-06-05-10  The =~ operator was added to [[...]] and  [[ string ~= ERE ]]
-	  is equivalent to [[ string == ~(E)ERE ]].
-06-04-25  A bug in the vi edit mode which could cause the shell to core dump
-	  when switching from emacs mode.
-06-04-17  A bug in which using LANG or LC_ in assignment lists with builtins
-	  did not restore the localed correctly has been fixed.
-06-04-04  A bug in which discipline functions could not be added to variables
-	  whose names started with .sh has been fixed.
-06-03-28  The -s option to typeset was added to modify -i to indicate short
-	  integers.
-06-03-28  A bug in which variables assignment lists before functions
-	  defined with function name were not passed on the functions
-	  invoked by this function has been fixed. 
-06-03-28  A bug in which name references defined within a function defined
-	  with function  name could not be used with compound variables has
-	  been fixed.
-06-03-27  A bug in which read <&p (print >&p) would cause the coprocess input
-	  (output) pipe to close before reading from (after writing to)
-          it has been fixed.
-06-02-28  A bug in which stopping a job created with the hist builtin command
-	  would create a job that could not be restarted has been fixed.  
-
-06-01-24  --- Release ksh93r  ---
-06-01-24  A bug in which running commands with standard output closed would
-	  not work as expected has been fixed.
-06-01-23  A bug in which print -u<n> could fail when file descriptor <n> was
-	  open for writing has been fixed.
-06-01-19  The ?: arithmetic operator fixed to work when the operation after
-	  the colon was an assignment.
-05-12-24  A bug which could lead to a core dump when elements of a compound
-	  variable were array elements, i.e. foo=(bar=(1 2)), has been fixed.
-05-12-13  An arithmetic bug in which x+=y+=z was not working has been fixed. 
-05-12-13  An arithmetic bug in which x||y was returning x when x was non-zero
-	  rather than 1 has been fixed.
-05-12-07  The aliases for integer and float have been changed to use attributes
-	  -li and -lE to handle long long and long double types.
-05-12-07  The histexpand (-H) option has been added which allows C-shell
-	  style history expansions using the history character !.
-05-12-07  The multiline option was added which changes that way the edit
-	  modes handle lines longer than the window width.  Instead of
-	  horizontal scrolling, multiple lines on the screen are used.
-05-12-05  The whence builtin now returns an absolute pathname when the
-          command is found in the current directory.
-05-11-29  A bug which caused ksh -c '[[ ! ((' to core dump rather than
-	  report a syntax error has been fixed.
-05-11-29  A bug when reading fixed length records into typeset -b variables
-	  which caused a zero byte to terminate the value has been fixed.
-05-11-22  The ability to seek to an offset within a file has been added
-	  with the new I/O redirection operators, <#  and >#.  Currently,
-	  these redirection operators must be followed by ((expr))
-	  but in a future release, it should be able to used to seek forward
-	  to the specified shell pattern.  In addition $(n<#) expands to the
-	  current byte offset for file descriptor n.
-05-11-22  The .sh.match array variable is now set after each [[ ... ]]
-	  pattern match.  Previously it was only set for substring matches.
-05-10-17  A bug in which the library path variable could be prefixed
-          with a directory when a .path file was not encountered in
-	  the directory of the executable has been fixed.
-05-09-15  A for/while loop optimizer bug in which $OPTIND was not
-	  correctly expanded has been fixed.
-05-09-05  A bug in which a history command that invoked a history
-	  command could go into an infinite loop has been fixed.
-05-08-31  In the case that IFS contains to adjacent new-lines so that
-	  new-line is not treated as a space delimiter, only a single
-	  new-line is deleted at the end of a command substitution.
-05-08-19  When a tilde substitution expands to the / directory and is
-	  followed by a /, it is replaced by the empty string.
-05-08-16  A bug in which n<&m did not synchronize m has been fixed.
-05-08-16  A bug in which process substitution  ( <() and >() ) was not
-	  working within for and while loops has been fixed.
-05-07-24  A bug in which the pattern ~(E)(foo|bar) was treated as a syntax
-	  error has been fixed.
-05-07-24  A bug in completion with <n>=, where n was the one of the
-	  previous selection choices has been fixed.
-05-07-21  A bug with multibyte input when no edit mode was specified which
-	  caused the input line to shift left/right has been fixed.
-05-06-24  A race condition which could cause the exit status to get lost
-	  on some fast systems has been fixed.
-05-06-21  A bug in which nested patterns of the form {m,n}(pat) would cause
-	  syntax errors has been fixed.
-05-06-21  A bug in the macro expander has been fixed which could cause a
-          syntax error for an expansion of the form ${x-$(...)} when
-	  x is set and the command substitution contained certain strings.
-05-06-08  On systems for which echo does not do System V style \ expansions,
-	  the -e option was added to enable these expansion.
-05-06-08  A bug in which ${var op pattern} to not work when inside an
-	  arithmetic expression has been fixed.
-05-05-23  An extension to shell patterns that allows matching of nested
-	  groups while skipping over quoted strings has been added.
-05-05-18  A bug in which the line number for errors was not correct for
-          functions loaded from FPATH has been fixed.
-05-04-18  A bug in which the exit status $? is not set when a trap triggered
-	  by the [[...]] command is executed has been fixed.
-05-04-08  Redirection operators can be directly preceded with {varname}
-	  with no intervening space, where varname is a variable name which
-	  allows the shell to select a file descriptor > 10 and store it
-	  into varname.
-05-04-08  SHOPT_CMDLIB_BLTIN=1 now includes <cmdlist.h> generated table.
-05-04-07  [[ -o ?option ]] is true if "option" is a supported option.
-05-04-05  A bug in handling file completion with spaces in the names
-          has been fixed.
-05-03-25  The SIGWINCH signal is caught by default to keeps the LINES and
-	  COLUMNS variables in sync with the actual window size.
-05-03-25  Building ksh with SHOPT_REMOTE=1 causes ksh to set --rc if stdin is
-	  a socket (presumably part of a remote shell invocation.)
-05-03-25  Building ksh with SHOPT_SYSRC=1 causes interactive ksh to source
-	  /etc/ksh.kshrc (if it exists) before sourcing the $ENV file.
-05-03-25  {first..last[..incr][%fmt]} sequences added to brace expansions
-	  when braceexpand is enabled.
-05-03-03  A bug where a SIGCHLD interrupt could cause a fifo open to fail has
-	  been fixed.
-05-02-25  A bug in which a builtin command run in the background could
-	  keep a file descriptor open which could cause a foreground
-	  process to hang has been fixed.
-05-02-24  A bug where builtin library commands (e.g., date and TZ) failed to
-	  detect environment variable changes has been fixed.
-05-02-22  The read builtin and word splitting are now consistent with respect
-	  to IFS -- both treat IFS as field delimiters.
-05-02-22  The read builtin no longer strips off trailing delimiters that
-	  are not space characters when there are fewer variables than fields.
-05-02-17  A builtin bug on systems where dlsym(libcmd) returns link-time
-	  bindings has been fixed.
-05-02-12  A bug in which the lib_init() function for .paths BUILTIN_LIB
-	  libraries was not called has been fixed.
-05-02-06  A bug on some systems in which moving the write end of a co-process
-	  to a numbered file descriptor could cause it to close has been fixed. 
-05-02-06  A bug in the vi-edit mode in which the character under the cursor
-	  was not deleted in some cases with the d% directive has been fixed.
-05-02-06  A bug where external builtin stdout/stderr redirection corrupted
-          stdout has been fixed.
-05-02-04  A bug where times formatting assumed CLK_TCK==60 has been fixed.
-
-05-01-11  --- Release ksh93q  ---
-05-01-11  A bug in the integral divide by zero check has been fixed.
-05-01-11  The -l option has been added to read /etc/profile and
-	  $HOME/.profile, if they exist, before the first command.
-05-01-11  An argument parsing bug that caused `kill -s x -- n' to fail has
-	  been fixed.
-05-01-11  The .paths file, introduced in ksh93m, which can appear in
-	  any directory in PATH, now allows a line of the form 'BUILTIN_LIB=.'
-	  When a command is searched for this directory, and the full path
-	  matches the path of the built-in version of the command (listed
-	  by the 'builtin' command) then the built-in version of the command
-	  is used.  When ksh is built with SHOPT_CMDLIB_DIR=1 then all libcmd
-	  functions become builtins with the '/opt/ast/bin/' directory prefix.
-05-01-10  A bug in which a nameref to a compound name caused a core dump has
-	  been fixed.
-05-01-09  A bug in which some SIGCHLD interrupts (from child processes exiting)
-	  caused a fatal print/echo error diagnostic has been fixed.
-04-12-24  A bug in which some SIGCHLD interrupts (from child processes exiting)
-          corrupted the internal process/job list, sometimes causing the shell
-	  to hang, has been fixed.
-04-12-01  A bug in which typeset -Fn truncated less than n digits for large
-	  numbers has been fixed.
-04-11-25  A bug in which standard error could be closed after a redirection
-	  to /dev/stderr has been fixed.
-04-11-17  A bug in which an expansion of the form ${array[@]:3} could expand
-          to ${array[0]} when ${array[3]} was not set has been fixed.
-04-10-22  The -E or -orc command line option reads ${ENV-$HOME/.kshrc} file.
-04-10-22  `-o foo' equivalent to `+o nofoo', `-o nobar' equivalent to `+o bar'.
-          `--foo' equivalent to `-o foo', `--nofoo' equivalent to `+o foo'
-04-10-05  The .paths file, introduced in ksh93m, which can appear in
-	  any directory in PATH, now allows a line of the form
-	  'BUILTIN_LIB=libname'.  When a command is searched for this directory,
-	  the shared library named by libname will first be searched for a
-	  built-in version of the command.
-04-09-03  <<< here documents now handle quotes in the word token correctly. 
-04-08-08  The maximum size for read -n and and read -N was increased from
-	  4095 to 32M.
-04-08-04  printf %q was modified so that if an no operand was supplied, no
-	  no output would be generated rather than a quoted empty string.
-04-08-01  The -n and -N options of the read builtin has been modified
-	  when reading variables with the binary attribute so that the
-	  data is stored directly rather than through assignment.
-04-08-01  The shcomp command has been modified to process alias commands
-	  under some conditions.
-04-07-31  The .sh.match variable added in ksh93l, now works like other
-	  indexed arrays.
-04-07-08  A loop optimizer bug which occurs when typeset is used in
-	  a for or while loop inside a function has been fixed.
-04-06-24  The number of subexpressions in a pattern was increased to 64
-	  from the current number of 20.
-04-06-17  The -t option to read was modified to allow seconds to be
-	  specified as any arithmetic expression rather than just
-	  an integral number of seconds, for example even -t 'sin(.5)'
-	  is now valid.
-04-06-16  Two small memory leak problems were fixed.
-04-06-15  A bug in ${var/pattern/"string"} which occurred when string
-	  contained pattern matching characters has been fixed.
-04-05-08  printf $'%d\n' produced an erroneous error message and has
-	  been fixed.
-04-05-24  A bug in which an associative array without any elements could
-	  cause a core dump when a script with an associative array with
-	  the same name was declared in a script invoked by name has
-	  been fixed.
-04-05-11  A bug in which an exec statement could close the script that
-	  is being processed in a script that is run by name causing
-	  a failure has been fixed.
-04-04-28  If the first character of assignment to an integer variable was 0,
-          the variable had been treated as unsigned.  This behavior was
-          undocumented and has been removed.
-04-04-05  A bug in which the positioning of standard input could be incorrect
-	  after reading from standard input from a subshell has been fixed.
-04-03-30  A bug in the for loop optimizer which in rare cases could cause
-	  memory corruption has been fixed.
-04-03-29  The preset alias source='command .' has been added.
-04-03-29  A bug introduced in ksh93p on some systems in which invoked by
-	  name with #! on the first line would not get the signals handling
-	  initialized correctly has been fixed. 
-04-03-29  A bug introduced in ksh93p in which a HUP signal received by
-	  a shell that is a session group leader was not passed down to
-	  its children has been fixed.
-
-04-02-28  --- Release ksh93p  ---
-04-02-28  The ability to apply an append discipline to any variable has
-	  been added.
-04-02-14  A bug in which the exportall option (set -a) would cause incorrect
-	  results for arrays has been fixed.
-04-02-02  A bug in which an exported array would pass more than
-	  the first element to a script invoked by name has been fixed.
-04-02-02  A bug on some systems in which name=value pairs preceding a script
-	  invoked by name was not getting passed to the script has been fixed.
-04-01-20  A bug in which an unset discipline function could cause a core
-	  dump on some systems has been fixed.
-04-01-12  A bug in which a continue or break called outside a loop from
-	  inside a function defined with name() syntax could affect 
-	  the invoking function has been fixed.
-04-01-08  If a command name begins with ~, only filename completion will be
-	  attempted rather than pathname completion using the builtin editors. 
-04-01-08  A bug in the vi edit mode in which the wrong repeat count on
-	  multiple word replacements with the . directive has been fixed.
-04-01-06  Backspace characters are now handled correctly in prompt strings.
-04-01-06  The getopts builtin has been modified to accept numerical
-	  arguments of size long long on systems that support this.
-04-01-06  A bug in which unsetting all elements of an associative array
-	  would cause it to be treated as an indexed array has been fixed.
-03-12-15  A bug in which a quoted string ending with an unescaped $ would
-	  delete the ending $ in certain cases has been fixed.
-03-12-05  A bug in which the shell could hang when set -x tracing a command
-	  when an invalid multibyte character is encountered has been fixed. 
-03-12-05  On some systems, if the KEYBD trap is set, then commands that use
-	  the meta key were not processed until return was hit.  This
-	  has been fixed.
-03-12-05  A problem which occurred when the login shell was not a group
-	  leader that could cause it to fail has been fixed.
-03-12-05  A problem in which a shell could core dump after receiving a signal
-	  that should cause it to terminate while it was in the process
-	  of acquiring more space has been fixed.
-03-12-05  If ENV is not specified, the shell will default to $HOME/.kshrc
-	  for interactive shells.
-03-11-21  A bug introduced in ksh93o in which the DEBUG trap could get
-	  disabled after it triggered has been fixed. 
-03-11-04  A bug in which using arithmetic prefix operators ++ or -- on a
-	  non-lvalue could cause a core dump has been fixed.
-03-11-04  A bug in which leading zeros were stripped from variable
-	  expansions within arithmetic computation to avoid being treated
-	  as octal constants when they should not have, has been fixed.
-03-10-08  A bug introduced in ksh93o in which a large here document inside
-	  a function definition could get corrupted has been fixed.
-03-09-22  A bug in which the .get discipline function was not being
-	  called when a string variable was implicitly referenced from
-	  within a numerical expression has been fixed.
-03-09-22  A bug in which a script without a leading #! could get executed
-	  by /bin/sh rather than the current shell on some systems has
-	  been fixed.
-03-09-12  To improve conformance with ksh88, leading zeros will be ignored
-	  when getting the numerical value of a string variable so that
-	  they will not be treated as octal constants.
-03-09-03  The builtin kill command now processes obsolete invocations
-	  such as kill -1 -pid.
-03-09-02  The restriction on modifying FPATH in a restricted shell (sh -r)
-	  has been documented.
-03-09-02  The restricted shell (sh -r) has been modified to disallow
-	  executing command -p.
-03-08-07  A bug in which the KEYBD trap was not being invoked when
-	  characters with the 8th bit set has been fixed.
-03-08-02  A parser bug introduced in ksh93o which caused the character
-	  after () in a Posix function definition to be skipped 
-	  when reading from standard input has been fixed.
-03-08-01  A bug in which "${foo#pattern}(x)" treated (x) as if it were
-	  part of the pattern has been fixed.
-03-08-01  The command -x option has been modified so that any trailing
-	  arguments that do expand to a single word will be included
-	  on each invocation, so that commands like command -x mv * dir
-	  work as expected.
-
-03-07-20  --- Release ksh93o+  ---
-03-07-20  A bug in which could cause memory corruption when a posix
-	  function invoked another one has been fixed.
-03-07-15  A bug in which a file descriptor>2 could be closed before
-	  executing a script has been fixed.
-03-07-15  A parsing error for <() and >() process substitutions inside
-	  command substitution has been fixed.
-03-07-15  A parsing error for patterns of the form {...}(...) when
-	  used inside ${...} has been fixed.
-03-07-15  An error in which expanding an indexed array inside a compound
-	  variable could cause a core dump has been fixed.
-03-07-15  A bug in which on rare occasions a job completion interrupt
-	  could cause to core dump has been fixed.
-03-06-26  A bug in which process substitution embedded within command
-	  substitution would generate a syntax error has been fixed.
-03-96-23  A bug in which ${@:offset:len} could core dump when there
-	  were no arguments has been fixed.
-03-96-23  A bug in which ${X[@]:offset:len} could core dump when X
-	  was unset has been fixed.
-03-06-22  The -x option was added to the command builtin.  If this
-	  option is on, and the number of arguments would exceed ARG_MAX,
-	  the command will be invoked multiple times with a subset of
-	  the arguments.  For example, with alias grep='command -x grep,
-	  any number of arguments can be specified.
-03-06-14  A bug in which could cause a core dump on some systems with
-	  vi and emacs editors with the MULTIBYTE option has been fixed.
-03-06-06  A bug in which the shell could core dump when a script was
-	  run from its directory, and the script name a symlink to a file
-	  beginning with .., has been fixed.
-03-06-05  A bug in which the shell could core dump when a child process
-	  that it is unaware of terminates while it is calling malloc()
-	  has been fixed.
-03-06-02  An option named globstar (set -G) has been added.  When enabled,
-	  during pathname expansion, any component that consists only of ** is
-	  matches all files and any number of directory levels.
-03-05-30  A bug in which the PATH search could give incorrect results when
-	  run from directory foo and PATH contained .:foo:xxx has been fixed.
-03-05-29  Some changes were made to the code that displays the prompt in edit 
-	  mode to better handle escape sequences in the prompt.
-03-05-27  I added = to the list of characters that mark the beginning of
-	  a word for edit completion so that filenames in assignments
-	  can be completed.
-03-05-20  A bug in which read -N could hang on some systems when reading
-	  from a terminal or a pipe has been fixed.
-03-05-19  A bug in which the output of uname from a command substitution
-	  would go to the standard output of the invoking command when
-	  uname was invoked with a non-standard option has been fixed.
-03-05-19  A job control bug which would cause the shell to exit because 
-	  it hadn't take back the terminal has been fixed.  The bug
-	  could occur when running a function that contained a pipeline
-	  whose last element was a function.
-03-05-19  A job control timing bug introduced in ksh93o on some systems
-	  which could cause a pipeline to hang if the first component
-	  completed quickly has been fixed.
-03-05-13  The read builtin has been modified so that the builtin editors
-	  will not overwrite output from a previous incomplete line. 
-03-05-13  A bug in which the name of an identifier could have the string
-	  .sh. prefixed to it after expanding a variable whose name begins
-	  with .sh. has been fixed.
-03-05-13  A bug in the expansion of $var for compound variables in which
-	  some elements would not be output when the name was a prefix
-	  of another name in the compound variable has been fixed.
-03-05-08  The last item in the ksh93o release on 03-01-02 has been
-	  altered slightly to preserve the leading 0's when the
-	  preceding character is a digit.  Thus, with typeset -LZ3 x=10,
-	  $(( 1$x)) will be 1010 whereas $(( $x) will be 10.
-03-04-25  A bug in which if x is a name reference, then nameref y=x.foo
-	  did not follow x has been fixed.
-
-03-03-18  --- Release ksh93o  ---
-03-03-18  A -N unary operator was added to test and [[...]] which returns
-	  true if the file exists and the file has been modified since it
-	  was last read.
-03-03-18  The TIMEFORMAT variable was added to control the format for
-	  the time compound command.  The formatting description is
-	  described in the man page.
-03-03-06  A -N n option was added to read which causes exactly n bytes
-	  to be read unlike -n n which causes at most n bytes to be read.
-03-03-03  Three new shell variables were added.  The variable .sh.file
-	  stores the full pathname of the file that the current command
-	  was found in.  The variable .sh.fun names the current function
-	  that is running.  The variable .sh.subshell contains the depth
-	  of the current subshell or command substitution.
-03-03-03  When the DEBUG trap is executed, the current command line after
-	  expansions is placed in the variable .sh.command.  The trap
-	  is also now triggered before each iteration of a for, select,
-	  and case command and before each assignment and redirection.
-03-02-28  Function definitions are no longer stored in the history file so
-	  that set -o nolog no longer has any meaning.
-03-02-28  All function definitions can be displayed with typeset -f not
-	  just those stored in the history file.  In addition, typeset +f
-	  displays the function name followed by a comment containing the
-	  line number and the path name for the file that defined this function.
-03-02-28  A bug in which the value of $LINENO was not correct when executing
-	  command contained inside mult-line command substitutions has been
-	  fixed.
-03-02-19  Since some existing ksh88 scripts use the undocumented and
-	  unintended ability to insert a : in front of the % and # parameter
-	  expansion operators, ksh93 was modified to accept :% as equivalent
-	  to % and :# as equivalent to # with ${name op word}.
-03-02-14  A bug which could cause a core dump when reading from standard
-	  error when standard error was a pty has been fixed.
-03-02-14  The shell arithmetic was modified to use long double on systems
-	  that provide this data type.
-03-02-09  A bug in which a function located in the first directory in FPATH
-	  would not be found when the last component of PATH was . and the
-	  current directory was one of the directories in PATH has been fixed.
-03-02-07  The trap and kill builtin commands now accept a leading SIG prefix
-	  on the signal names as documented.
-03-02-05  A bug in the expansion of ${var/$pattern}, when pattern contained
-	  \[ has been fixed.
-03-02-05  A bug in which .sh.match[n], n>0, was not being set for substring
-	  matches with % and %% has been fixed.
-03-01-15  A bug in which getopts did not work for numerical arguments specified
-	  as n#var in the getopts string has been fixed.
-03-01-09  A bug in which using ${.sh.match} multiple times could lead to
-	  a memory exception has been fixed.
-03-01-06  A bug in the expansion of ${var/pattern/$string} in the case that
-	  $string contains \digit has been fixed. 
-03-01-02  A -P option was added for systems such as Solaris 8 that support
-	  profile shell.
-03-01-02  For backward compatibility with ksh88, arithmetic expansion
-	  with ((...)) and let has been modified so that if x is a zero-filled
-	  variable, $x will not be treated as an octal constant.
-
-02-12-05  --- Release ksh93n+  ---
-02-11-30  A bug that can show up in evaluating arithmetic statements that
-	  are in an autoloaded function when the function is autoload from
-	  another function has been fixed.
-02-11-30  An optimization bug in which an expansion of the form ${!name.@},
-	  which occurred inside a for or a while loop, when name is a name
-	  reference, has been fixed.
-02-11-18  A bug in which modifying array variables in a subshell could leave
-	  side effects in the parent shell environment has been fixed.
-02-11-18  A memory leak when unsetting an associative array has been fixed.
-02-11-14  The code to display compound objects was rewritten to make
-	  it easier for runtime extensions to reuse this code.
-02-11-14  A change was made to allow runtime builtins to be notified when
-	  a signal is received so that cleanup can be performed.
-02-10-31  User applications can now trap the ALRM signal.  Previously,
-	  the ALRM signal was used internally and could not be used
-	  by applications. 
-02-10-31  A bug in which signals received while reading from a coprocess
-	  for which traps were set was not handled correctly has been fixed.
-02-10-31  A bug in which a file opened with exec inside a subshell could
-	  be closed before the subshell completed has been fixed.
-02-10-21  A bug in which setting PATH or FPATH inside a function might not
-	  take effect has been fixed.
-02-10-21  A bug which could cause a core dump when a local SECONDS variable
-	  is defined in a function has been fixed.
-02-10-15  A bug in which the associate array name operator ${!array[@]}
-	  could return the same name multiple times has been fixed.
-02-10-15  A bug in which the zero'th element of an associative array was
-	  not getting set when an assignment was made without a subscript
-	  specified has been fixed.
-
-02-09-30  --- Release ksh93n  ---
-02-09-30  The maximum indexed array size was increased to 16Megs.
-02-09-30  A bug which could cause a core dump when changing attributes
-	  of associative array has been fixed.
-02-09-30  A bug in which exporting an array variable would not export the
-	  0-th element has been fixed.
-02-09-30  A bug in which an array assignment of the form a=($a ...) would unset
-	  'a' before the right hand side was evaluated has been fixed.
-02-09-27  A bug in which the error message for ${var?message} when var was
-	  null or unset did not contain the variable name var has been fixed.
-02-09-27  A bug in which closing file descriptors 0 through 2 could
-	  cause a subsequent here document to fail has been fixed. 
-02-09-14  A bug in whence which occurs when the specified name contained
-	  a / has been fixed.
-02-09-14  A bug in the parser for strings of the form name$((expr))=value
-	  has been fixed.
-02-09-14  A for loop optimization bug in which the number of elements in
-	  an array was treated as an invariant has been fixed.
-02-09-09  A bug in which redirection or closing of a file descriptor between
-	  3 and 9 could cause a subsequent here document to fail has been
-	  fixed. 
-02-09-09  A bug in which a background job was not removed from the job list
-	  when a subshell completed has been fixed, for example (prog&). 
-02-09-03  A bug in which an assignment of the form name=(integer x=3)
-	  could be interpretted as an array assignment rather than a
-	  compound variable assignment has been fixed.
-02-08-19  A command completion bug which occurred on file systems that
-	  are case insensitive has been fixed.
-02-08-19  A bug which could lead to an exception on some systems (for
-	  example FREEBSD) which occurred when setting PATH has been fixed.
-02-08-11  A bug in arithmetic rounding in which a value input as a decimal
-	  string would output as a rounded version of the string has
-	  been fixed.
-02-08-11  A bug in which the last character could be deleted from shell
-	  traces and from whence when called from a multibyte locale
-	  has been fixed.
-02-08-01  A bug which could cause a core dump to occur when a shell script
-	  is executed while a coprocess is running that has closed the
-	  output pipe has been fixed.
-02-08-01  A bug in which command completion in multibyte mode could
-	  corrupt memory for long command lines has been fixed.
-
-02-06-17  --- Release ksh93n-  ---
-02-06-17  A bug in which user defined macros could cause a core dump in
-	  with MULTIBYTE mode has been fixed.
-02-06-17  A bug in which printf format specifiers of the form %2$s were causing
-	  a core dump has been fixed.
-02-06-17  A bug in which setting stty to noecho mode did not prevent the
-	  echoing of characters by ksh when emacs or viraw mode
-	  was enabled has been fixed.
-02-06-17  A bug in which background job completion could cause the sleep
-	  builtin to terminate prematurely has been fixed.
-02-06-17  A bug in which the shell could core dump if getopts was called
-	  when the OPTIND variable contained a negative value has been fixed. 
-02-06-10  The edit mode prompt has been modified to handle escape sequences.  
-02-06-10  A bug which occurred for interactive shells in which the builtin
-	  cat command was used in command substitution on a file whose
-	  size was larger than PIPE_BUF has been fixed.
-02-06-10  A bug in which the trap on ERR was not being processed when
-	  set inside a function has been fixed.
-02-06-07  A bug in which function definitions could cause the history count
-	  to be decremented by one (and even become negative) has been fixed.
-02-06-05  A bug in read in which share mode could be enabled has been fixed.
-02-05-28  A bug which could occur when the last command of a script was
-	  a case statement and the action selected ended in ;& instead of ;;
-	  has been fixed.
-02-05-23  A bug with unary + introduced in ksh93k has been fixed.
-02-05-07  A bug in substitutions of the form ${var/pattern/string} in which
-	  a backslash was inserted in the replacement string when it contained
-	  a special pattern character has been fixed.
-02-05-01  A bug in the emacs edit mode which occurred in versions compiled
-	  for multibyte character sets which occurred when a repeated search
-	  was requested after a long line had been returned for the previous
-	  search has been fixed.
-02-04-02  vi and emacs edit modes were modified so that tab completion is
-	  disabled when invoked from the read built-in.
-
-02-03-26  --- Release ksh93m+  ---
-02-03-26  A bug in which \ was not handled correctly when used in file
-	  expansion has been fixed.
-02-02-18  A bug in which lines beginning with a # were deleted from here
-	  documents when the here-document delimiter was followed by
-	  a comment has been fixed.
-02-12-06  An optimization bug in which ${!x[@]) was treated as invariant in
-	  a for loop has been fixed.
-02-02-06  A bug in which the ERR trap is not cleared for a script invoked
-	  by name from within a function has been fixed.
-02-01-08  A bug in which a shell script executed from within a subshell
-	  could cause this script to have an invalid pointer leading
-	  to a memory fault has been fixed. 
-02-01-07  Added here documents of the form <<< word (as per zsh) which
-	  is equivalent to << delim\nword\ndelim.
-02-01-07  A bug in which the first word of a compound assignment,
-	  x=(word ...), was treated as a reserved word has been fixed.
-02-01-07  A bug in the handling of \ when noglob was enabled and a
-	  substitution of the form ${word op pattern} occurred in the
-	  same word has been fixed.
-02-01-07  A compilation option, CMDLIB_BLTIN in the file OPTION, has
-	  been added.  When this options is set, all commands implemented
-	  in libcmd become shell builtin commands by default.
-02-01-07  A bug in which builtin foo, where foo is already a builtin
-	  would result in the builtin foo getting removed has been fixed. 
-02-01-07  A bug which the shell executed a command found in the current
-	  directory when PATH have no valid directories has been fixed.
-01-11-28  The value of $? was not being set when called with exit.
-01-11-28  If the last command was of the form (...) and a trap on EXIT or
-	  ERR was set, and the command inside () modified the trap, then
-	  the original trap wasn't executed.
-01-11-26  The value for 0 is now preceded by the base number when
-	  the base was not 10.
-01-11-26  The default has compilation mode has been changes so that
-	  viraw mode will always be on.
-
-01-10-31  --- Release ksh93m  ---
-01-10-31  A for loop optimizer bug for subshells contained withing for
-	  loops has been fixed.
-01-10-16  typeset without arguments no longer outputs variable names
-	  that do not have any attributes that are set.
-01-10-16  A bug introduced in ksh93l in which assignments specified with
-	  the exec built-in were not being expanded properly has been
-	  fixed.
-01-10-11  An optimization bug in which ${!x) was treated as invariant in
-	  a for loop has been fixed.
-01-10-11  Unsigned integer variables in bases other than 10 are printed now
-	  expand in that base with the base prefix.
-01-10-10  A number of typos in the self generating man pages for shell
-	  built-ins have been fixed.
-01-10-04  The self generated man pages for hist and fc were not working
-	  correctly and have been fixed.
-01-10-03  Yet another optimizer bug in which shell patterns were
-	  treated as invariants has been fixed.
-01-09-27  Two bugs relating to multibyte history searches and to find
-	  have been fixed.
-01-09-27  A bug introduced in ksh93k in which the PATH searching was
-	  not restored after running a command with an assignment list 
-	  has been fixed.
-01-09-26  A bug in which a zero filled field was treated as octal when
-	  converted to integer has been fixed.
-01-09-26  Yet another bug in the optimization of for loops related to
-	  recursive functions with break or continue statements has been fixed.
-01-09-25  The exponentiation operator ** was added to the shell arithmetic
-	  evaluation.  It has higher precedence than * and is left
-	  associative.
-01-09-25  The code was modified to use the ast multibyte macros
-	  and functions for handing multibyte locales.
-01-09-25  The expansion ${parameter:offset:length} now handles negative
-	  offsets which cause offsets to be measured from the end.
-01-09-25  Some spelling errors in the documentation were corrected.
-01-09-24  The /dev/tcp/host/port and /dev/udp/host/port now allow
-	  the ports to be specified by service name. 
-01-09-24  The change staring with ksh93g in which the the appropriate
-	  library path variable is prepended with a corresponding library
-	  directory has been modified.  With the new method, only the
-	  library path defined in the file named .paths in the directory
-	  where the executable is found will be modified.  See the
-	  man page for more details.
-01-09-23  The .fpath file (see ksh93h) is no longer looked for in each
-	  directory on the path to locate function directories.  The
-	  file named .paths is used instead.
-01-09-23  A bug in which IFS was not being restored after being changed in
-	  a subshell has been fixed.
-01-09-16  With the vi and emacs edit modes, after a list of command
-	  or functions is generated with = or M-= respectively,
-	  any element from the list can be pasted on the command line
-	  by preceding the = or M-= with a numeric parameter specifying
-	  the position on the list.
-01-09-16  A bug in ksh93l caused command completion not to find aliases
-	  and functions.  Command listing from the edit mode was presented
-	  in reverse order.  This has been fixed.
-01-09-13  Another bug in the optimization of for loops related to subshells
-	  when traps were set has been fixed.
-01-09-07  A change in ksh93l caused brace expansion to stop working
-	  and this has been fixed.
-01-09-04  A bug introduced in ksh93k in which an arithmetic statement
-	  within a function that used name references did not follow the
-	  reference has been fixed.
-01-09-04  A bug introduced in ksh93l in which export -p did not prefix
-	  each export with the word export has been fixed.
-01-08-29  A bug in multibyte input which occurred when a partial multibyte
-	  character was received has been fixed.
-01-08-29  A bug introduced in ksh93l which could cause a core dump
-	  when an assignment list containing PATH is specified inside
-	  command substitution has been fixed.
-01-08-09  Another bug in the optimization of for loops in ksh93l caused
-	  errors in recursive functions using local variables that
-	  contained for loops has been fixed.
-01-07-27  A bug in which IFS would be unset after a command substitution
-	  inside a here document has been fixed.
-01-07-26  To conform to the POSIX standard, if you invoked ksh name,
-	  and name does not contain a /,  it will first try to run
-	  one in the current directory whether it is executable or not
-	  before doing a path search for an executable script.  Earlier
-	  versions first checked for an executable script using the
-	  PATH variable.
-01-07-23  A bug in which unset -f invoked in a subshell could unset a
-	  function defined in the parent has been fixed.
-01-07-16  A bug in the optimization of for loops in ksh93l caused
-	  name references to be treated as invariants has been fixed.
-01-07-09  A bug in which a discipline function applied to a local variable
-	  could cause a shell exception has been fixed.  Discipline
-	  functions can only be specified for global variables. 
-
-01-06-18  --- Release ksh93l  ---
-01-06-18  A bug in assigning integers larger than can be represented as
-	  long integers to floating point variables has been fixed.
-01-06-18  A bug in the handling of unsigned integers (typeset -ui) has
-	  been fixed.
-01-06-04  The evaluation of the PS1 prompt no longer effects the value
-	  of the $? variable.
-01-06-01  A small memory leak from subshells has been fixed.
-01-05-22  A bug in which attributes for variables that did not have
-	  values would be lost after a subshell has been fixed.
-01-05-22  The %R format has been added to convert a shell pattern into
-	  an extended regular expression.
-01-05-22  The escape sequences \e, \cX, \C[.collating-element.], and
-	  \x{hex} have been added to ASCII-C strings and to printf format
-	  strings.
-01-05-20  Patterns of the form {n}(pattern) and {m,n}(pattern) are now
-	  recognized.  The first form matches exactly n of pattern whereas,
-	  the second form matches from m to n instances of pattern.
-01-05-20  The shell allows *-(pattern), +-(pattern),  ?-(pattern),
-	  {m,n}-(pattern}, and @-(pattern) to cause the minimal
-	  match of pattern to be selected whenever possible rather
-	  than the maximal (greedy) match. 
-01-05-20  The character class [:word:] has been added to patterns.
-	  The word class is the union of [:alnum:] and the character _.
-01-05-20  Inside (...) pattern groups, the \ character is now treated
-	  specially even when in an enclosing character class.  The
-	  sequences, \w, \d, \s are equivalent to the character classes
-	  word, digit, and space respectively.  The sequences \W, \D,
-	  and \S are their complement sets. 
-01-05-20  The shell now recognizes pattern groups of the form
-	  ~(options:pattern) where options or :pattern can be omitted.
-	  Options use the letters + and - to enable and disable options
-	  respectively.  The option letters g (greedy), i (ignore case)
-	  are used to cause maximal matching and to cause case
-	  insensitive matching respectively.  If :pattern is also
-	  specified, these options are only in effect while this
-	  pattern is being processed.  Otherwise, these options remain
-	  in effect until the end of the pattern group that they are contained
-	  in or until another ~(...) is encountered.  These pattern groups
-	  are not counted with respect to group numbering.
-01-05-14  When edit completion, expansion, or listing occurs in the
-	  middle of a quoted string, the leading quote is ignored when
-	  performing the completion, expansion, or listing.
-01-05-14  A small memory leak from subshells has been fixed.
-01-05-10  A bug in which open files were not restored after a subshell
-	  that had used exec to replace a file has been fixed. 
-01-05-10  Redirection to a null file name now generates an error message. 
-01-05-09  The shell now rejects some invalid parameter substitutions that
-	  were previously processed in undefined ways.
-01-05-09  A bug in which the output of select was not flushed before the
-	  read when input did not come from the terminal has been fixed. 
-01-05-08  A bug in which job ids would not be freed for interactive shells
-	  when subshells ran built-ins in the background has been fixed.
-01-05-08  The FPATH variable now requires an explicit . to cause the
-	  current directory to be treated as a function directory. 
-01-05-08  A bug in read -n when echo mode was disabled has been fixed.
-01-05-07  A bug in which function definitions could be listed as part
-	  of the history has been fixed.
-01-04-30  This release uses a new and often much faster pattern matcher than
-	  earlier releases.
-01-04-30  An optimizer now eliminates invariant parameter expansions from
-	  for while and until loops.
-01-04-30  The variable .sh.match is set after each pattern match (# % or /)
-	  in a variable substitution.  The variable .sh.match is an
-	  indexed array with element 0 being the complete match. 
-	  The array is only valid until the next subsequent pattern
-	  match or until the value of the variable changes which ever
-	  comes first.
-01-04-30  A self generating man page has been added to shcomp.  Also,
-	  shcomp now stops compiling when it finds an exit or exec
-	  command and copies the remainder so that it can be used
-	  for standard input.
-01-04-30  The shcomp command was modified so that it can work in an
-	  EBCIDIC environment and that binary scripts are portable
-	  across environments.
-01-04-30  A bug in the handling of a trailing : in PATH has been fixed.
-01-04-30  A bug in which the builtin version of a command would get invoked
-	  even though the full pathname for the command was specified
-	  has been fixed.
-01-04-30  A bug in which read would loose the last character when
-	  reading the last line of a file that did not contain a new-line
-	  character has been fixed.
-01-04-23  A bug on some systems in which in vi mode the end of file
-	  character and end of line character could be swapped has
-	  been fixed.
-01-04-23  A bug on some systems in which invoking a shell script that
-	  did not have execute permission could set the exit value to
-	  127 rather than 126 has been fixed.
-01-04-20  A bug in which read -n from a pipe would block if fewer than
-	  n characters was received has been fixed.
-01-04-09  A bug in which invalid patterns, for example, ) by itself,
-	  was not treated as a string has been fixed so that if i=')',
-	  then [[ $i == $i ]] is true.
-01-04-09  The shell arithmetic now interprets C character constants.
-01-04-09  A bug in which a non-zero return from a function defined
-	  with the function reserved word did not trigger the ERR
-	  trap or exit with set -e has been fixed.
-01-04-02  A bug on some systems, in which characters above 127 were
-	  not displayed correctly in vi or emacs edit mode has been fixed.
-01-04-02  A bug on some systems, introduced in the 'k' point release, in
-	  which the erase character in viraw mode was moving the cursor
-	  to the left without erasing the character has been fixed.
-01-04-02  On some systems the wcwith() function was returning a wrong
-	  value for characters and caused characters to be displayed
-	  incorrectly from the shell edit modes.  A work around for
-	  this problem has been added. 
-01-03-26  A bug in which valid scripts could produce syntax errors
-	  when run with locales that considered characters such as "'"
-	  to be space characters has been fixed.
-01-03-20  A bug in which an syntax error in an arithmetic expression
-	  entered interactively could cause the shell to go into
-	  an infinite loop outputting the error message has been fixed.
-01-03-10  ksh93 accepts -l as a synonym for -L in test on systems for
-	  which /bin/test -l tests for symbolic links.
-01-03-10  A bug in parsing scripts in which { and } are used in place of
-	  in and esac in case statements embedded in compound commands
-	  has been fixed.  Use of { and } for in and esac is obsolete.
-01-03-06  A bug in which an argument of the form foo=bar was not
-	  being passed correctly to a traced function whose name
-	  was foo has been fixed.
-01-03-02  Using $(trap -p name) did not print the name of the current
-	  trap setting for trap name.
-01-02-26  Exported floating point variables gave incorrect results
-	  when passing them to ksh88.  This has been fixed.
-01-02-25  A race condition in which a coprocess which completed too quickly
-	  would not allow subsequent coprocesses to start has been fixed.
-01-02-25  The 'g' format specifier is now handled by printf.  It had
-	  inadvertently been omitted.
-01-02-20  The + was not being displayed during an execution trace
-	  with the += assignment operator.
-01-02-19  The error message which occurs when the interpreter name
-	  defined on the #! line does not exist is more informative.
-01-02-19  A bug in which $0 would not be set correctly when a
-	  script with #! was invoked by full pathname from the
-	  directory of the script has been fixed.
-01-02-19  A shell script did not always pick up tty mode changes
-	  made by external commands such as stty which could
-	  effect the behavior of read.
-01-02-19  The -u, -g, and -k unary tests did not give the correct
-	  results when used with negation and this has been fixed.
-
-01-02-05  --- Release ksh93k+  ---
-01-02-05  The sequence \<newline> inside $'...' was not incrementing
-	  the line count and this has been fixed.
-01-02-05  Modified expansion of "${@-}" so that if no arguments are set
-	  it results in null string rather than nothing.
-01-02-02  memory leak problem with local variables in functions fixed.
-01-01-25  allow arithmetic expressions with float%int and treat them
-	  as ((int)float)%int rather than as an error. 
-01-01-19  read -n1 was not working and has been fixed.
-01-01-17  ksh now handles the case in which a here document in command
-	  substitution $() is terminated by the trailing ).  Previously,
-	  a new-line was needed at the end of the delimiter word. 
-01-01-02  A bug in which a KEYBD trap would cause a multi-line token
-	  to be processed incorrectly has been fixed.
-00-12-10  Arithmetic integer constants can now have L and U suffices. 
-00-12-10  A bug in the processing of arithmetic expressions with compound
-	  variables when the -n option is on has been fixed.
-00-12-08  A bug in M-f and M-b from emacs mode has been fixed.  This
-	  bug only occurs when ksh93 is compiled without MULTIBYTE enabled.
-00-11-29  A bug in which jobs -p would yield 0 for background
-	  jobs run in a script has been fixed.
-00-11-21  A bug in integer arrays in which the number of elements is
-	  incorrect when the ++ operator is applied to a non-existing
-	  element has been fixed.  For example, integer x; ((x[3]++)).
-00-11-20  A timing bug in which the shell could reset the terminal
-	  group to the wrong value in the case that the a new process
-	  changes the terminal group during startup has been fixed.
-
-00-10-27  --- Release ksh93k  ---
-00-10-27  Using tab for completion now works only when applied
-	  after a non-blank character at the end of the current line.
-	  In other case a tab is inserted.
-00-10-27  A bug in the emacs edit mode for ^X^E has been fixed.
-	  The ^X^E sequence is supposed to invoke the full editor
-	  on the current command.
-00-10-18  A bug in which expansions of the form ${var//pattern/string}
-	  did not work correctly when pattern was '/' or "/" has
-	  been fixed.
-00-10-18  The output format for indexed arrays in compound variables
-	  has been modified so that it can be used as input.
-00-10-18  Assignments with name references (typeset -n) will now
-	  implicitly unreference an existing name reference.
-00-10-17  A bug the += append operator when a single array element
-	  is appended to a variable that is not an array has been fixed.
-00-10-16  A bug in which the SIGCONT signal was being sent to
-	  each process will kill -0 or kill -n 0 has been fixed.
-00-10-12  The arithmetic evaluation portion has been rewritten to
-	  perform a number of optimizations.
-00-10-10  A bug in which name prefix matching ${!name.*} was not
-	  checking name to see if it was a name reference has been fixed.
-00-09-26  A bug in the multibyte version in which the width of for
-	  non-printing characters was not correct has been fixed.
-00-09-12  Made changes to get multibyte editing work on UWIN for windows
-00-09-12  A bug in which multibyte characters would be displayed incorrectly
-	  has been fixed.
-00-08-08  Removed build dependency on iswprint() and iswalph().
-00-07-20  In some cases the read builtin would read more than a single
-	  line from a pipe on standard input and therefore leave the seek
-	  position in the wrong location.
-00-07-05  If the directory / is on the path, a / will not be inserted
-	  between the directory and the file name during path searching
-	  to avoid searching // for systems that treat this specially.
-00-06-26  A bug in which on rare occasions wait could return before all
-	  jobs have completed has been fixed.
-00-06-21  A bug in which backspace did not work correctly during the
-	  R replace directive in vi-mode has been fixed.
-00-06-12  Added variable name completion/expansion/listing  to the set of
-	  completions.  Variable name completions begin with $ or "$ followed
-	  by a letter. 
-00-05-09  --- Release ksh93j  ---
-00-05-09  Modified command substitution to avoid using /tmp files when
-          run on read-only file systems. 
-00-04-17  Modified printf to handle '%..Xc' and '%..Xs' options where X
-	  is not an alpha character.  Previous versions core dumped with this.
-00-04-10  Changes to multibyte editing code were made to use standard
-	  ISO C functions rather than methods devised before the standard.
-00-04-09  Add %H options to printf to output strings with <"'&\t> properly
-	  converted for use in HTML and XML documents.
-00-04-07  Modified getopts builtin to handle \f...\f in usage string
-	  by invoking specified function.
-00-04-04  Added self generating man pages for bg, fc, fg, disown, jobs,
-	  hist, let, ., and ulimit.
-00-03-30  The append operator += has been added and can be used
-	  for all assignments, strings, arrays, and compound variables.
-00-03-30  Code was modified in several places to support automatic
-	  generation of C locale dictionaries.
-00-03-28  A bug in which the set and trap commands invoked with --name
-	  type arguments would terminate the invoking script  has
-	  been fixed.
-00-03-27  A bug in which the library path variable was not updated  
-	  correctly on some systems as described in the 'g' point
-	  release has been fixed. 
-00-03-07  printf now returns a non-zero exit status when one of
-          its arguments cannot be converted to the given type. 
-00-03-05  The return value and error message for a command that
-          was found on the path but was not executable was set
-          incorrectly.
-00-03-05  A prototype for ioctl() was removed from the vi edit mode.
-
-00-01-28  --- Release ksh93i  ---
-00-01-28  Most of the built-in commands and ksh itself are now
-          self documenting.  Running command --man will produce
-          screen output.  Running command --html produces the
-          man page in html format.
-00-01-28  The getopts builtin can process command description
-          strings to produce man pages.
-00-01-28  A bug in which a script could terminate when getopts
-          encountered an error when invoked inside a function
-          has been fixed.
-00-01-28  When a symbolic link was specified as the name of
-          the script to invoke by name, the value of $0 was
-          set to the real file name rather than the link name
-          in some cases and this has been fixed.
-00-01-28  A bug in which the precision given as an argument
-	  to printf was not working has been fixed.
-
-99-03-31  --- Release ksh93h  ---
-99-03-31  The PATH search algorithm has been modified to look
-	  for a file named .fpath in each bin directory and if
-	  found, to search for functions in this directory if
-	  it cannot find the command in that directory.
-99-03-31  When performing pathname expansion, the shell checks
-	  to see whether each directory it reads is case sensitive
-	  or not, and performs the matching accordingly.
-99-03-31  The %T format for printing formatted date/time.
-99-03-31  The emacs and vi modes now handle arrow keys when
-          they use standard ANSI escape sequences.
-99-03-31  The TAB key can be used for completion in emacs and viraw mode.
-99-03-31  A bug in setting .sh.editchar during the KEYBD trap
-	  for the MULTIBYTE option was fixed in release ksh93h.
-99-03-31  A bug in shcomp for compilation of unary operators with [[...]]
-	  has been fixed.
-99-03-31  A bug in which the value of $? was changed when executing
-	  a keyboard trap has been fixed. 
-99-03-31  The handling of SIGCHLD has been changed so that the
-	  trap is not triggered while executing trap commands
-	  to avoid recursive trap calls.
-99-03-31  A bug in which a local variable in a function declared readonly
-	  would generated an error when the function went out of
-	  scope has been fixed.
-99-03-31  A bug in which \<new_line> entered from the keyboard
-	  with the KEYBD trap enabled has been fixed.
-99-03-31  The error message for a misplaced ((, for example print ((3),
-	  was often garbled and has been fixed.
-99-03-31  A bug in the KEYBD trap in which escape sequences of the form
-	  <ESC>[#~ were not being handled as a unit has been fixed.
-99-03-31  A bug in which ksh would consider expressions like [[ (a) ]]
-	  as syntax errors has been fixed.
-99-03-31  A function defined as foo() without a function body
-	  was not reported as a syntax error.
-99-03-31  A bug in which ksh could run out of file descriptors when
-	  a stream was repeatedly opened with exec and read from
-	  has been fixed.
-
-98-04-30  --- Release ksh93g  ---
-98-04-30  The pipefail option has been added.  With pipefail
-	  enabled, a pipeline will not complete until all
-	  commands are complete, and the return value will
-	  be that of the last command to fail, or zero if
-	  all complete successfully.
-98-04-30  The name-value pair library uses the cdt library rather
-	  than the hash library.  This change should be transparent
-	  to applications.
-98-04-30  On the U/WIN version for Window 95 and Windows NT,
-          when a directory beginning with a letter followed by
-          a colon is given to cd, it is assumed to be an absolute
-          directory
-98-04-30  When an executable is found on a given path,
-	  the appropriate library path variable is prepended
-	  with a corresponding library directory.
-98-04-30  A bug in which a name reference could be created to
-	  itself and later cause the shell to get into an infinite
-	  loop has been fixed.
-98-04-30  A bug in shcomp relating to compound variables was fixed.
-98-04-30  A bug introduced in ksh93e in which leading 0's in -Z
-	  fields caused the value to be treated as octal for arithmetic
-	  evaluation has been fixed.
-98-04-30  A bug when a name reference with a shorter name than
-          the variable it references was the subject of a compound
-	  assignment has been fixed. 
-98-04-30  A bug which in which assignment to array variables in
-	  a subshell could effect the parent shell has been
-	  fixed.
-98-04-30  read name?prompt was putting a 0 byte at the end of the
-	  prompt on standard error.
-98-04-30  A bug in [[ string1 > string2 ]] when ksh was run with -x
-	  has been fixed.
-98-04-30  A bug in which the escape character was not processed
-	  correctly inside {...} when brace expansion is enabled
-	  has been fixed, for example {\$foo}.
-98-04-30  A bug in line continuation in here-documents has been
-	  fixed.
-98-04-30  The default base when not specified with typeset -i is
-	  10 in accordance with the documentation.  Previously,
-	  the value was determined by the first assignment.   
-98-04-30  A parsing bug in which a # preceded alphanumeric
-	  characters inside a command substitution caused
-	  a syntax error to be reported has been fixed.
-98-04-30  A bug in which a decimal constant represented as 10#ddd
-	  where ddd was more than five digits generated a syntax
-	  error has been fixed.
-98-04-30  A bug in here document expansion in which ${...} expansions
-	  were split across buffer boundaries has been fixed.
-98-04-30  The sh_fun() function now takes third argument which
-	  is an argument list for the invoked discipline function
-	  or built-in.
-98-04-30  A callback function can be installed which will give
-          notification of file duplications and file closes.
-98-04-30  When ksh is compiled on systems that do not use fork()
-	  current option settings where not propagated to sub-shells.
-
-97-06-30  --- Release ksh93f  ---
-97-06-30  Hostnames in addition to host addresses can be given in
-	  /dev/tcp/host/port virtual file names.
-97-06-30  File name completion and expansion now quotes special
-	  characters in file names from both emacs and vi edit modes.
-97-06-30  An empty for list behave like a for list with null expansions.
-	  It produces a warning message with sh -n.
-97-06-30  The code has been modified to work with EBCDIC as well as ASCII.
-97-06-30  A bug which would cause the secondary prompt to be
-	  displayed when a user entered a literal carriage
-	  return has been fixed.
-97-06-30  A bug which caused ksh read -s name to core dump was
-	  fixed.
-97-06-30  A bug with the expansion of \} and \] inside double
-	  quoted strings that also contained variable expansions
-	  has been fixed
-97-06-30  Changes in the ksh93e point release caused autoload
-	  functions invoked from within command substitution
-	  to fail.  This has been fixed.
-97-06-30  A bug in the processing of here-documents that could
-	  prevent variable substitution to occur after $(...) command
-	  substitution for long here documents has been fixed.
-97-06-30  A bug caused by a race condition that could cause SIGTERM
-	  to be ignored by a child process has been fixed.
-97-06-30  A bug which prevented the startup of a coprocess immediately
-	  after killing a running coprocess has been fixed.
-97-06-30  ulimit foobar, where foobar is not an arithmetic
-	  expression, now gives an error message as it did with ksh88
-	  instead of setting the file size limit to 0.
-97-06-30  A bug which could cause an interactive shell to terminate when
-	  the last process of a pipeline was a POSIX function was fixed.
-97-06-30  A bug which could cause command substitution of a shell script
-	  to core dump has been fixed.
-97-06-30  A security hole was fixed in suid_exec.
-97-06-30  Arithmetic functions such as pow() that take more than
-	  one argument, did not work if arguments other than the
-	  first contained parenthesized sub-expression.
-97-06-30  The error message from a script containing an incomplete
-	  arithmetic expression has been corrected.
-97-06-30  A bug which caused a core dump on some machines when
-	  the value of a name reference contained a positional
-	  parameter and the name reference was not defined inside
-	  a function has been fixed.
-97-06-30  Arithmetic expressions now correctly handle hexadecimal
-	  constants.
-97-06-30  A bug in which integer variables could be expanded
-	  with a leading 10# when declared with typeset -i
-	  multiple times has been corrected.
-97-06-30  A bug in which IFS wasn't correctly restored when
-	  set within command substitution has been fixed.
-97-06-30  The _ character is now considered as part of a word
-	  with the M-f and M-b emacs directives as it was in ksh88.
-97-06-30  A bug in brace pattern expansions that caused expressions
-          such as {foo\,bar,bam} to expand incorrectly have been fixed.
-
-
-96-07-31  --- Release ksh93e  ---
-96-07-31  The math functions, atan2, hypot, fmod, and pow were added.
-96-07-31  When a shared library is loaded, if the function lib_init()
-	  is defined in the library, it is invoked the first time that
-	  the library is loaded with builtin -f library.
-96-07-31  The k-shell information abstraction database option, KIA,
-          has been revamped.
-96-07-31  Empty command substitutions of the form $() now work.
-	  whence -v foo now gives the correct result after calling
-	  builtin -d foo. 
-96-07-31  A bug in right to left arithmetic assignment for which
-	  the arithmetic expression (( y = x = 1.5 )) did not
-	  yield 1 for y when x was declared typeset -i was fixed.
-96-07-31  printf has been fixed to handle format  containing \0
-	  and/or \0145 correctly.  In addition, characters following
-	  %b in the format string are no longer displayed when
-	  the operand contains \c.
-96-07-31  A bug in printf that could cause the %E format to
-	  produce unnormalized results has been fixed.
-96-07-31  A bug which causes some arithmetic expressions to be
-	  incorrectly evaluated as integer expressions rather
-	  that floating point has been fixed.
-96-07-31  Functions defined inside a subshell no longer remain
-	  defined when the subshell completes.
-96-07-31  The error message from sh -c ';echo foo' has been
-	  corrected.
-96-07-31  The format for umask -S has been changed to agree
-	  with the specification in the POSIX standard.
-96-07-31  A bug that caused side effects in subscript evaluation
-	  when tracing was enabled for subscripts using ++ or --
-	  has been fixed.
-96-07-31  To conform to the Posix standard getopts has been changed
-	  so that the option char is set to ? when it returns with
-	  a non-zero exit status.
-96-07-31  The handling of \} inside ${name...} has been fixed so
-	  that the \ quotes the }.
-96-07-31  A bug that caused the read builtin to resume execution
-	  after processing a trap has been fixed.
-96-07-31  [[ -s file ]] has been fixed so that if file is open
-	  by ksh, it is flushed first.
-96-07-31  In some cases attributes and sizes for non exported
-	  variables weren't being reset before running a script.
-96-07-31  The value of TMOUT was affected by changes make to
-	  it in a subshell.
-96-07-31  The jobs command did not reflect changes make by
-	  sending the CONT signal to a command.
-96-07-31  The error message for ksh -o unknown was incorrect.
-96-07-31  Functions invoked as name=value name, did not use
-	  values from the calling scope when evaluating value.
-96-07-31  A bug in which the shell would reexecute previously
-	  executed code when a shell script or coprocess was
-	  run in the background has been fixed.
-96-07-31  A bug in which an empty here-document would leave
-	  a file descriptor open has been fixed.
-96-07-31  A bug in which $(set -A array ...) would leave a
-	  side effect has been fixed.
-96-07-31  A discipline function for a global variable defined
-	  within a function defined with the function keyword,
-	  incorrectly created a local variable of the same name
-	  and applied the discipline to it.
-
-95-08-28  --- Release ksh93d  ---
-95-08-28  The \ character was not handled correctly in replacement
-	  patterns with ${x/pattern/replace}.
-95-08-28  A bug with read in which the line did not end with
-	  a new-line has been fixed.
-95-08-28  A bug in file name generation which sometimes
-	  appended a . for filenames that ended in / has
-	  been fixed.
-95-08-28  If a process is waited for after a status has
-	  been returned by a previous wait, wait now
-	  returns 127.
-95-08-28  A bug with hist (fc) -e which prevented a command
-	  to re-executed after it had been edited has been fixed.
-95-08-28  A bug which prevented quoting from removing the meaning
-	  of unary test operators has been fixed.
-95-08-28  A bug with typeahead and KEYBOARD traps with the
-          MULTIBYTE option set has been fixed.
-95-08-28  Builtin functions can take a third argument which is
-          a void*.
-95-08-28  The nv_scan() function can restrict the scope of a walk
-          to the top scope.
-
-95-04-31  --- Release ksh93c  ---
-95-04-31  The expansion of "$@" was incorrect when $1 was the null
-	  string.
-95-04-31  A bug which could incorrectly report a syntax error in
-	  a backquoted expression when a $ was preceded by \\
-	  has been fixed.
-95-04-31  A bug which prevented the shell from exiting after
-	  reporting an error when failing to open a script
-	  has been fixed.
-95-04-31  A bug that could lead to memory corruption when a
-	  large here document that required parameter or command
-	  substitution was expanded has been fixed.
-95-04-31  A bug that could cause a core dump on some systems
-	  after ksh detected an error when reading a function
-	  has been fixed.
-95-04-31  A bug which could cause a coprocess to hang when
-	  reading from a process that has terminated has been fixed.
-95-04-31  A bug which caused a script to terminate when set -e
-	  was on and the first command of and && or || list
-	  failed has been fixed.
-95-04-31  A bug with here documents inside $(...) when the delimiter
-	  word is an identifier has been fixed.
-95-04-31  A bug which caused $0 to display the wrong value when
-	  a script was invoked as an argument to the . command
-	  and the eval command has been fixed.
-95-04-31  A bug that could cause the built-in sleep to hang
-	  has been fixed.
-95-04-31  A bug introduces in 12/28/93b which caused the backslash
-	  to be removed when it was followed by digit inside double
-	  quotes in some instances has been fixed.
-95-04-31  A bug which could cause a core dump if ksh was invoked with
-	  standard input closed has been fixed.
-95-04-31  A bug which could cause a core dump if typeset -A was
-	  specified for an existing variable has been fixed.
-95-04-31  Variables that were unset but had attributes such as readonly
-	  and export were not listed with readonly, export and typeset.
-95-04-31  Several problems with signals have been fixed.
-95-04-31  A bug which prevented ulimit -t from working has been fixed. 
-	  Also, a bug in which failed ulimits could cause a core dump
-	  has also been fixed.
-95-04-31  A bug in expansion of the form ${name/#pattern/string} and
-	  ${name/%pattern/string} has been fixed.
-95-04-31  A bug which caused read -r on a line that contained only
-	  blanks to get a non-null value has been fixed.
-95-04-31  A bug introduced in the 'a' point release in which
-	  ${x='\\'} expanded to \ when x was unset has been fixed.
-95-04-31  A bug which prevented a trap on EXIT from being executed
-	  when the last command in a script was a function invocation
-	  has been fixed.
-95-04-31  A bug which caused an interactive shell ignore input when
-	  standard error was redirected to a file with exec,
-	  and then restored with exec 2>&1 has been fixed.
-95-04-31  An interactive shell turns on monitor mode even when
-	  standard error has been redirected to a file.
-95-04-31  A bug which could cause standard input to be incorrectly
-	  positioned for the last command of a script has been fixed.
-95-04-31  A bug in the edit modes which allowed walking back in
-	  the history file for more than HISTSIZE commands has
-	  been fixed.
-95-04-31  A bug which could cause a core dump if variable TMPDIR was
-	  changed between two command substitutions has been fixed.
-95-04-31. A bug which prevented a trap on EXIT from being cleared
-	  has been fixed.
-95-04-31  A bug fixed for the v directive in vi MULTIBYTE has been
-          fixed.
-95-04-31  Code to for IFS handling of multibyte characters has
-          been added.
-95-04-31  The displaying of multibyte strings in export, readonly,
-          typeset, and execution traces has been fixed.
-95-04-31  Variables inside functions are now statically scoped.
-	  The previous behavior was never documented.
-95-04-31  Variables inside functions are now statically scoped.
-          The previous behavior was never documented.
-95-04-31  A few changes have been made to the name-value library
-          that affect built-ins that use disciplines.  The
-          changes allow disciplines to be shared by variables
-          and should make it possible to add new disciplines
-          without recompilation.
-95-04-31  The name-value library interface has undergone significant
-          change for this revision.  See the new nval.3 man page.
-
-94-12-31  --- Release ksh93b  ---
-94-12-31  Variables inside functions are now statically scoped.
-          The previous behavior was never documented.
-94-12-31  If IFS contains two consecutive identical characters belonging
-	  to the [:space:] class, then this character is treated as
-	  a non-space delimiter so that each instance will delimit
-	  a field.  For example, IFS=$'\t\t' will cause two consecutive
-	  tabs to delimit a null field.
-94-12-31  The getopts command has a -a name option that specifies a
-	  name that will be used for usage messages.
-94-12-31  A bug which caused unset RANDOM to dump core has been
-	  fixed.
-94-12-31  A bug which prevented return for terminating a profile
-	  or ENV file has been fixed.
-94-12-31  A bug which prevented standard input from being
-	  directed to /dev/null for background jobs when
-	  monitor mode was turned off has been fixed.
-94-12-31  Statements of the form typeset -options var[expr]=value
-	  did not perform substitutions on expr as expected.
-94-12-31  A bug which prevented the shell from sending a HUP
-	  signal to some background jobs that were not disowned
-	  has been fixed.
-94-12-31  A bug which allowed a script to trap signals that are
-	  ignored at the time that the shell was invoked by exec
-	  has been fixed.
-94-12-31  A bug which could cause a core dump when a discipline
-	  function was unset within a discipline was fixed.
-94-12-31  The typeset builtin now accepts a first argument of
-	  + or - for compatibility with ksh88.
-94-12-31  For compatibility with ksh88, the results of expansions
-	  of command arguments will treat the extended character
-	  match characters ()|& as ordinary characters.
-94-12-31  A bug which caused read to fail on a file that was
-	  open for read/write with <> when the first operation
-	  was print or printf has been fixed.
-94-12-31  When a job is suspended, it is put on the top of
-	  the job list as required by the POSIX standard.
-94-12-31  The value of OPTARG when an option that required
-	  an argument but didn't have one was incorrect in the
-	  case the the option string began with a :.
-94-12-31  A bug which caused the terminal to get into a bad
-	  state with some KEYBD traps in vi-mode has been fixed.
-94-12-31  A bug which caused an invalid trap to cause a script
-	  to terminate, rather than just return an error, has
-	  been fixed.
-94-12-31  Backreferencing sub-expressions in patterns and replacement
-	  strings now works.
-94-12-31  A bug in chmod which caused the -R option to fail has
-	  been fixed.
-94-12-31  More signal names have been added for Solaris
-
-94-06-30  --- Release ksh93a  ---
-94-06-30  An expansion bug which causes portions of a word after
-	  a $((...)) expansion that contains a nested $var expansion
-	  to be lost has been fixed.
-94-06-30  A bug that caused a core dump when a script that did not
-	  have PWD set and did a cd inside command substitution
-	  has been fixed.
-94-06-30  A bug which caused a core dump on some machines when
-	  the LANG variable was assigned to has been fixed.
-94-06-30  A bug which incorrectly handled set disciplines that
-	  performed arithmetic evaluation when the discipline
-	  was called from the arithmetic evaluator has been fixed.
-94-06-30  A bug caused by an EXIT trap inside a function that
-	  was executed in a subshell was fixed.
-94-06-30  If foo is a function, and not a program, then command foo
-	  now reports that foo isn't found rather than invoking foo.
-94-06-30  The previous version incorrectly listed -A as an
-	  invocation option.  The -A option is only for set. 
-94-06-30  A bug was fixed which caused ksh to loop when execution trace
-	  was enabled and the PS4 prompt required command substitution.
-94-06-30  A bug which could cause the job control switch character
-	  to be disabled when a script that enabled monitor mode
-	  terminated was fixed.
-94-06-30  A bug in the macro expansion global replacement operator //,
-	  when the pattern began with a [ or +( has been fixed.
-94-06-30  A bug which prevented ~ expansion from occurring when
-	  it was terminated with a colon inside an assignment
-	  has been fixed.
-94-06-30  A bug in the dot command which prevented autoload functions
-	  from working has been fixed.
-94-06-30  A bug which caused a variable to be unset if the
-	  its value were expanded inside a set discipline has
-	  been fixed.
-94-06-30  Whence -a now longer reports that a defined function
-	  is undefined.
-94-06-30  A bug on some systems in which $0 would be incorrect
-	  in scripts invoked by name has been fixed.
-94-06-30  Here documents with an empty body now work.
-94-06-30  A bug which disabled argument passing and resetting
-	  of options for a script invoked by name inside a
-	  function has been fixed.
-94-06-30  A bug in which an EXIT trap set the caller of a function
-	  would be executed if a command called inside a function
-	  was not found has been fixed.
-94-06-30  A bug which allowed a script to trap signals that are
-	  ignored at the time that the shell was invoked has
-	  been fixed.
-94-06-30  A bug which caused 2<&1- when applied to a shell built-in
-	  to leave standard input closed has been fixed.
-94-06-30  A bug which caused the shell to incorrectly parse
-	  $() command substitutions with nested case statements
-	  has been fixed.
-
diff --git a/usr/src/lib/libshell/common/TYPES b/usr/src/lib/libshell/common/TYPES
deleted file mode 100644
index 6eb6f41b5e..0000000000
--- a/usr/src/lib/libshell/common/TYPES
+++ /dev/null
@@ -1,182 +0,0 @@
-
-The ability for users to define types has been added to ksh93t.
-Here is a quick summary of how types are defined and used in ksh93t.
-This is still a work in progress so some changes and additions
-are likely.
-
-A type can be defined either by a shared library or by using the new
-typeset -T option to the shell.  The method for defining types via
-a shared library is not described here.  However, the source file
-bltins/enum.c is an example of a builtin that creates enumeration types.
-
-By convention, typenames begin with a capitol letter and end in _t.
-To define a type, use
-	typeset -T Type_t=(
-		definition
-	)
-where definition contains assignment commands, declaration commands,
-and function definitions.  A declaration command (for example typeset,
-readonly, and export), is a built-in that differs from other builtins in
-that tilde substitution is performed on arguments after an =, assignments
-do not have to precede the command name, and field splitting and pathname
-expansion is not performed on the arguments.
-For example,
-	typeset -T Pt_t=(
-		float -h 'length in inches' x=1
-		float -h 'width in inches' y=0
-		integer -S count=0
-		len()
-		{
-			print -r $((sqrt(_.x*_.x + _.y*_.y)))
-		}
-		set()
-		{
-			(( _.count++))
-		}
-	)
-
-defines a type Pt_t that has three variables x, y, and count defined as well
-as the discipline functions len and set.  The variable x has an initial value
-of 1 and the variable y has an initial value of 0.  The new -h option argument,
-is used for documentations purposes as described later and is ignored outside
-of a type definition.
-
-
-The variable count has the new -S attribute which means that it is shared
-between all instances of the type.  The -S option to typeset is ignored
-outside of a type definition.  Note the variable named _ that is used inside
-the function definition for len and set.  It will be a reference to the
-instance of Pt_t that invoked the function.  The functions len and set
-could also have been defined with function len and function set, but
-since there are no local variables, the len() and set() form are more
-efficient since they don't need to set up a context for local variables
-and for saving and restoring traps.
-
-If the discipline function named create is defined it will be
-invoked when creating each instance for that type. A function named
-create cannot be defined by any instance.
-
-When a type is defined, a declaration built-in command by this name
-is added to ksh.  As with other shell builtins, you can get the man page
-for this newly added command by invoking Pt_t --man.  The information from
-the -h options will be embedded in this man page.  Any functions that
-use getopts to process arguments will be cross referenced on the generated
-man page.
-
-Since Pt_t is now a declaration command it can be used in the definition
-of other types, for example
-	typeset -T Rect_t=( Pt_t ur ll)
-
-Because a type definition is a command, it can be loaded on first reference
-by putting the definition into a file that is found on FPATH.
-Thus, if this definition is in a file named Pt_t on FPATH, then
-a program can create instances of Pt_t without first including
-the definition.
-
-A type definition is readonly and cannot be unset.  Unsetting non-shared
-elements of a type restores them to their default value.  Unsetting a
-shared element has no effect.
-
-The Pt_t command is used to create an instance of Pt_t.
-	Pt_t p1
-creates an instance named p1 with the initial value for p1.x set to 1
-and the initial value of p1.y set to 0.
-	Pt_t p2=(x=3 y=4)
-creates an instance with the specified initial values.  The len function
-gives the distance of the point to the origin.  Thus, p1.len will output
-1 and p2.len will output 5.
-
-ksh93t also introduces a more efficient command substitution mechanism.
-Instead of $(command), the new command substitution ${ command;}
-can be used.  Unlike (and ) which are always special, the { and } are
-reserved words and require the space after { and a newline or ; before }.
-Unlike $(), the ${ ;} command substitution executes the command in
-the current shell context saving the need to save and restore
-changes, therefore also allowing side effects. 
-
-When trying to expand an element of a type, if the element does not exist,
-ksh will look for a discipline function with that name and treat this as if
-it were the ${ ;} command substitution.  Thus, ${p1.len} is equivalent to
-${ p1.len;} and within an arithmetic expression, p1.len will be expanded
-via the new command substitution method.
-
-The type of any variable can be obtained from the new prefix
-operator @.  Thus, ${@p1} will output Pt_t.
-
-By default, each instance inherits all the discipline functions defined
-by the type definition other than create.  However, each instance can define
-a function by the same name that will override this definition.
-However, only discipline functions with the same name as those defined
-by the type or the standard get, set, append, and unset disciplines
-can be defined by each instance.
-
-Each instance of the type Pt_t behaves like a compound variable except
-that only the variables defined by the type can be referenced or set.
-Thus, p2.x=9 is valid, but p2.z=9 is not.  Unless a set discipline function
-does otherwise, the value of $p1 will be expanded to the form of a compound
-variable that can be used for reinput into ksh.
-
-If the variables var1 and var2 are of the same type, then the assignment
-	var2=var1
-will create a copy of the variable var1 into var2.  This is equivalent to
-	eval var2="$var1"
-but is faster since the variable does not need to get expanded or reparsed.
-
-The type Pt_t can be referenced as if it were a variable using the name
-.sh.type.Pt_t.  To change the default point location for subsequent
-instances of Pt_t, you can do
-	.sh.type.Pt_t=(x=5 y=12)
-so that
-	Pt_t p3
-	p3.len
-would be 13.
-
-Types can be defined for simple variables as well as for compound
-objects such as Pt_t.  In this case, the variable named . inside
-the definition refers to the real value for the variable.  For example,
-the type definition
-	typeset -T Time_t=(
-		integer .=0
-		_='%H:%M:%S'
-		get()
-		{
-			.sh.value=$(printf "%(${_._})T" "#$((_))" )
-		}
-		set()
-		{
-			.sh.value=$(printf "%(%#)T" "${.sh.value}")
-
-		}
-	)
-
-The sub-variable name _ is reserved for data used by discipline functions
-and will not be included with data written with the %B option to printf.
-In this case it is used to specify a date format.
-
-In this case
-	Time_t t1 t2=now
-will define t1 as the time at the beginning of the epoch and t2
-as the current time.  Unlike the previous case, $t2 will output
-the current time in the date format specified by the value t2._.
-However, the value of ${t2.} will expand the instance to a form
-that can be used as input to the shell.
-
-Finally, types can be derived from an existing type.  If the first
-element in a type definition is named _, then the new type
-consists of all the elements and discipline functions from the
-type of _ extended by elements and discipline functions defined
-by new type definition.  For example,
-
-	typeset -T Pq_t=(
-		Pt_t _
-		float z=0.
-		len()
-		{
-			print -r $((sqrt(_.x*_.x + _.y*_.y + _.z*_.z)))
-		}
-	)
-
-defines a new type Pq_t which is based on Pq_t and contains an additional
-field z and a different len discipline function.  It is also possible
-to create a new type Pt_t based on the original Pt_t.  In this case
-the original Pt_t is no longer accessible.
diff --git a/usr/src/lib/libshell/misc/images/callouts/1.png b/usr/src/lib/libshell/misc/images/callouts/1.png
deleted file mode 100644
index 608fad3596..0000000000
--- a/usr/src/lib/libshell/misc/images/callouts/1.png
+++ /dev/null
diff --git a/usr/src/lib/libshell/misc/images/callouts/10.png b/usr/src/lib/libshell/misc/images/callouts/10.png
deleted file mode 100644
index 39e55197cf..0000000000
--- a/usr/src/lib/libshell/misc/images/callouts/10.png
+++ /dev/null
diff --git a/usr/src/lib/libshell/misc/images/callouts/2.png b/usr/src/lib/libshell/misc/images/callouts/2.png
deleted file mode 100644
index 5444738841..0000000000
--- a/usr/src/lib/libshell/misc/images/callouts/2.png
+++ /dev/null
diff --git a/usr/src/lib/libshell/misc/images/callouts/3.png b/usr/src/lib/libshell/misc/images/callouts/3.png
deleted file mode 100644
index 64b87c7151..0000000000
--- a/usr/src/lib/libshell/misc/images/callouts/3.png
+++ /dev/null
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deleted file mode 100644
index c308193ac4..0000000000
--- a/usr/src/lib/libshell/misc/images/callouts/4.png
+++ /dev/null
diff --git a/usr/src/lib/libshell/misc/images/callouts/5.png b/usr/src/lib/libshell/misc/images/callouts/5.png
deleted file mode 100644
index 24799f0a43..0000000000
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index 8919a670cd..0000000000
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deleted file mode 100644
index e30e8a70cb..0000000000
--- a/usr/src/lib/libshell/misc/images/callouts/7.png
+++ /dev/null
diff --git a/usr/src/lib/libshell/misc/images/callouts/8.png b/usr/src/lib/libshell/misc/images/callouts/8.png
deleted file mode 100644
index 3e35c8827c..0000000000
--- a/usr/src/lib/libshell/misc/images/callouts/8.png
+++ /dev/null
diff --git a/usr/src/lib/libshell/misc/images/callouts/9.png b/usr/src/lib/libshell/misc/images/callouts/9.png
deleted file mode 100644
index ed2f14b4eb..0000000000
--- a/usr/src/lib/libshell/misc/images/callouts/9.png
+++ /dev/null
diff --git a/usr/src/lib/libshell/misc/images/tag_bourne.png b/usr/src/lib/libshell/misc/images/tag_bourne.png
deleted file mode 100644
index f1f78e3a25..0000000000
--- a/usr/src/lib/libshell/misc/images/tag_bourne.png
+++ /dev/null
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deleted file mode 100644
index 559929df2a..0000000000
--- a/usr/src/lib/libshell/misc/images/tag_i18n.png
+++ /dev/null
diff --git a/usr/src/lib/libshell/misc/images/tag_ksh.png b/usr/src/lib/libshell/misc/images/tag_ksh.png
deleted file mode 100644
index b33d5a7aa1..0000000000
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+++ /dev/null
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--- a/usr/src/lib/libshell/misc/images/tag_ksh88.png
+++ /dev/null
diff --git a/usr/src/lib/libshell/misc/images/tag_ksh93.png b/usr/src/lib/libshell/misc/images/tag_ksh93.png
deleted file mode 100644
index 357ee3c50a..0000000000
--- a/usr/src/lib/libshell/misc/images/tag_ksh93.png
+++ /dev/null
diff --git a/usr/src/lib/libshell/misc/images/tag_l10n.png b/usr/src/lib/libshell/misc/images/tag_l10n.png
deleted file mode 100644
index be89f7a163..0000000000
--- a/usr/src/lib/libshell/misc/images/tag_l10n.png
+++ /dev/null
diff --git a/usr/src/lib/libshell/misc/images/tag_perf.png b/usr/src/lib/libshell/misc/images/tag_perf.png
deleted file mode 100644
index fcb2960852..0000000000
--- a/usr/src/lib/libshell/misc/images/tag_perf.png
+++ /dev/null
diff --git a/usr/src/lib/libshell/misc/shell_styleguide.docbook b/usr/src/lib/libshell/misc/shell_styleguide.docbook
deleted file mode 100644
index 0376912d1f..0000000000
--- a/usr/src/lib/libshell/misc/shell_styleguide.docbook
+++ /dev/null
@@ -1,1464 +0,0 @@
-<?xml version="1.0"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V5.0//EN" "http://www.oasis-open.org/docbook/xml/5.0b5/dtd/docbook.dtd" [
-    <!ENTITY tag_bourneonly   '<inlinemediaobject><imageobject><imagedata fileref="images/tag_bourne.png"></imagedata></imageobject><textobject><phrase>[Bourne]</phrase></textobject></inlinemediaobject> '>
-    <!ENTITY tag_kshonly      '<inlinemediaobject><imageobject><imagedata fileref="images/tag_ksh.png"></imagedata></imageobject><textobject><phrase>[ksh]</phrase></textobject></inlinemediaobject> '>
-    <!ENTITY tag_ksh88only    '<inlinemediaobject><imageobject><imagedata fileref="images/tag_ksh88.png"></imagedata></imageobject><textobject><phrase>[ksh88]</phrase></textobject></inlinemediaobject> '>
-    <!ENTITY tag_ksh93only    '<inlinemediaobject><imageobject><imagedata fileref="images/tag_ksh93.png"></imagedata></imageobject><textobject><phrase>[ksh93]</phrase></textobject></inlinemediaobject> '>
-    <!ENTITY tag_performance  '<inlinemediaobject><imageobject><imagedata fileref="images/tag_perf.png"></imagedata></imageobject><textobject><phrase>[perf]</phrase></textobject></inlinemediaobject> '>
-    <!ENTITY tag_i18n         '<inlinemediaobject><imageobject><imagedata fileref="images/tag_i18n.png"></imagedata></imageobject><textobject><phrase>[i18n]</phrase></textobject></inlinemediaobject> '>
-    <!ENTITY tag_l10n         '<inlinemediaobject><imageobject><imagedata fileref="images/tag_l10n.png"></imagedata></imageobject><textobject><phrase>[l10n]</phrase></textobject></inlinemediaobject> '>
-]>
-<!--
-
- CDDL HEADER START
-
- The contents of this file are subject to the terms of the
- Common Development and Distribution License (the "License").
- You may not use this file except in compliance with the License.
-
- You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- or http://www.opensolaris.org/os/licensing.
- See the License for the specific language governing permissions
- and limitations under the License.
-
- When distributing Covered Code, include this CDDL HEADER in each
- file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- If applicable, add the following below this CDDL HEADER, with the
- fields enclosed by brackets "[]" replaced with your own identifying
- information: Portions Copyright [yyyy] [name of copyright owner]
-
- CDDL HEADER END
-
--->
-
-<!--
-
- Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
- Use is subject to license terms.
-
--->
-
-<!-- tag images were created like this:
-$ (text="perf" ;
-   pbmtext -nomargins -lspace 0 -builtin fixed "${text}" |
-       pbmtopgm 1 1 |
-       pgmtoppm 1.0,1.0,1.0-0,0,0 /dev/stdin |
-       ppmtogif |
-       giftopnm |
-       pnmtopng >"tag_${text}.png")
--->
-
-<!-- compile with:
-xsltproc &minus;&minus;stringparam generate.section.toc.level 0 \
-         &minus;&minus;stringparam toc.max.depth 3 \
-         &minus;&minus;stringparam toc.section.depth 12 \
-         &minus;&minus;xinclude -o opensolaris_shell_styleguide.html /usr/share/sgml/docbook/docbook-xsl-stylesheets-1.69.1/html/docbook.xsl opensolaris_shell_styleguide.docbook
--->
-
-<article
-    xmlns:xlink="http://www.w3.org/1999/xlink"
-    xmlns="http://docbook.org/ns/docbook"
-    xml:lang="en">
-    <!-- xmlns:xi="http://www.w3.org/2001/XInclude" -->
-
-  <info>
-    <title><emphasis>[DRAFT]</emphasis> Bourne/Korn Shell Coding Conventions</title>
-
-    <!-- subtitle abuse -->
-    <subtitle>
-      This page is currently work-in-progress until it is approved by the OS/Net community. Please send any comments to
-      <email>shell-discuss@opensolaris.org</email>.
-    </subtitle>
-
-
-    <authorgroup>
-<!--
-        <author><personname>David G. Korn</personname><email>dgk@research.att.com</email></author>
-        <author><personname>Roland Mainz</personname><email>roland.mainz@nrubsig.org</email></author>
-        <author><personname>Mike Shapiro</personname><email>mike.shapiro@sun.com</email></author>
--->
-        <author><orgname>OpenSolaris.org</orgname></author>
-    </authorgroup>
-  </info>
-
-<section xml:id="intro">
-  <title>Intro</title>
-  <para>This document describes the shell coding style used for all the SMF script changes integrated into (Open)Solaris.</para>
-  <para>All new SMF shell code should conform to this coding standard, which is intended to match our existing C coding standard.</para>
-  <para>When in doubt, think "what would be the C-Style equivalent ?" and "What does the POSIX (shell) standard say ?"</para>   
-</section><!-- end of intro -->
-
-
-<section xml:id="rules">
-  <title>Rules</title>
-  
-  
-  
-  <section xml:id="general">
-  <title>General</title>
-
-      <section xml:id="basic_format">
-          <title>Basic Format</title>
-          <para>Similar to <literal>cstyle</literal>, the basic format is that all
-          lines are indented by TABs or eight spaces, and continuation lines (which
-          in the shell end with "\") are indented by an equivalent number of TABs
-          and then an additional four spaces, e.g.
-<programlisting>
-cp foo bar
-cp some_realllllllllllllllly_realllllllllllllly_long_path \
-   to_another_really_long_path
-</programlisting>
-          </para>
-          <para>The encoding used for the shell scripts is either <literal>ASCII</literal>
-          or <literal>UTF-8</literal>, alternative encodings are only allowed when the
-          application requires this.</para>
-      </section>
-
-
-      <section xml:id="commenting">
-          <title>Commenting</title>
-          <para>Shell comments are preceded by the '<literal>#</literal>' character. Place
-          single-line comments in the right-hand margin. Use an extra '<literal>#</literal>'
-          above and below the comment in the case of multi-line comments:
-<programlisting>
-cp foo bar		# Copy foo to bar
-
-#
-# Modify the permissions on bar.  We need to set them to root/sys
-# in order to match the package prototype.
-#
-chown root bar
-chgrp sys bar
-</programlisting>
-          </para>
-      </section>
-
-
-      <section xml:id="interpreter_magic">
-          <title>Interpreter magic</title>
-          <para>The proper interpreter magic for your shell script should be one of these:
-<programlisting>
-#!/bin/sh        Standard Bourne shell script
-#!/bin/ksh -p    Standard Korn shell 88 script.  You should always write ksh
-                 scripts with -p so that ${ENV} (if set by the user) is not
-                 sourced into your script by the shell.
-#!/bin/ksh93     Standard Korn shell 93 script (-p is not needed since ${ENV} is
-                 only used for interactive shell sessions).
-</programlisting>
-          </para>
-      </section>
-
-
-      <section xml:id="harden_your_script_against_unexpected_input">
-          <title>Harden the script against unexpected (user) input</title>
-          <para>Harden your script against unexpected (user) input, including
-          command line options, filenames with blanks (or other special
-          characters) in the name, or file input</para>
-      </section>
-
-
-      <section xml:id="use_builtin_commands">
-          <title>&tag_kshonly;&tag_performance;Use builtin commands if the shell provides them</title>
-          <para>
-          Use builtin commands if the shell provides them. For example ksh93s+
-          (ksh93, version 's+') delivered with Solaris (as defined by PSARC 2006/550)
-          supports the following builtins:
-          <simplelist type="inline">
-          <member>basename</member>
-          <member>cat</member>
-          <member>chgrp</member>
-          <member>chmod</member>
-          <member>chown</member>
-          <member>cmp</member>
-          <member>comm</member>
-          <member>cp</member>
-          <member>cut</member>
-          <member>date</member>
-          <member>dirname</member>
-          <member>expr</member>
-          <member>fds</member>
-          <member>fmt</member>
-          <member>fold</member>
-          <member>getconf</member>
-          <member>head</member>
-          <member>id</member>
-          <member>join</member>
-          <member>ln</member>
-          <member>logname</member>
-          <member>mkdir</member>
-          <member>mkfifo</member>
-          <member>mv</member>
-          <member>paste</member>
-          <member>pathchk</member>
-          <member>rev</member>
-          <member>rm</member>
-          <member>rmdir</member>
-          <member>stty</member>
-          <member>tail</member>
-          <member>tee</member>
-          <member>tty</member>
-          <member>uname</member>
-          <member>uniq</member>
-          <member>wc</member>
-          <member>sync</member>
-          </simplelist>
-          Those builtins can be enabled via <literal>$ builtin name_of_builtin #</literal> in shell
-          scripts (note that ksh93 builtins implement exact POSIX behaviour - some
-          commands in Solaris <filename>/usr/bin/</filename> directory implement pre-POSIX behaviour.
-          Add <literal>/usr/xpg6/bin/:/usr/xpg4/bin</literal> before
-          <filename>/usr/bin/</filename> in <envar>${PATH}</envar> to test whether your script works with
-          the XPG6/POSIX versions)
-          </para>
-      </section>
-
-
-      <section xml:id="use_blocks_not_subshells">
-          <title>&tag_performance;Use blocks and not subshells if possible</title>
-          <para>Use blocks and not subshells if possible, e.g. use
-          <literal>$ { print "foo" ; print "bar" ; }</literal> instead of
-          <literal>$ (print "foo" ; print "bar") #</literal> - blocks are
-          faster since they do not require to save the subshell context (ksh93) or
-          trigger a shell child process (Bourne shell, bash, ksh88 etc.)
-          </para>
-      </section>
-
-
-      <section xml:id="use_long_options_for_set_builtin">
-           <title>&tag_kshonly; use long options for "<literal>set</literal>"</title>
-           <para>use long options for "<literal>set</literal>", for example instead of <literal>$ set -x #</literal>
-           use <literal>$ set -o xtrace #</literal> to make the code more readable.</para>
-      </section>
-
-
-      <section xml:id="use_posix_command_substitutions_syntax">
-          <title>&tag_kshonly; Use <literal>$(...)</literal> instead of <literal>`...`</literal> command substitutions</title>
-          <para>Use <literal>$(...)</literal> instead of <literal>`...`</literal> - <literal>`...`</literal>
-          is an obsolete construct in ksh+POSIX sh scripts and <literal>$(...)</literal>.is a cleaner design,
-          requires no escaping rules, allows easy nesting etc.</para>
-
-          <note><title>&tag_ksh93only; <literal>${ ...;}</literal>-style command substitutions</title>
-          <para>ksh93 has support for an alternative version of command substitutions with the
-          syntax <literal>${ ...;}</literal> which do not run in a subshell.
-          </para></note>
-      </section>
-
-
-      <section xml:id="put_command_substitution_result_in_quotes">
-          <title>&tag_kshonly; Always put the result of a <literal>$(...)</literal> or
-          <literal>$( ...;)</literal> command substitution in quotes</title>
-          <para>Always put the result of <literal>$( ... )</literal> or <literal>$( ...;)</literal> in
-          quotes (e.g. <literal>foo="$( ... )"</literal> or <literal>foo="$( ...;)"</literal>) unless
-          there is a very good reason for not doing it</para>
-      </section>
-
-
-      <section xml:id="always_set_path">
-          <title>Scripts should always set their <envar>PATH</envar></title>
-          <para>Scripts should always set their <envar>PATH</envar> to make sure they do not use
-          alternative commands by accident (unless the value of <envar>PATH</envar> is well-known
-          and guaranteed to be set by the caller)</para>
-      </section>
-
-
-      <section xml:id="make_sure_commands_are_available">
-          <title>Make sure that commands from other packages/applications are really installed on the machine</title>
-          <para>Scripts should make sure that commands in optional packages are really
-          there, e.g. add a "precheck" block in scipts to avoid later failure when
-          doing the main job</para>
-      </section>
-
-
-      <section xml:id="check_usage_of_boolean_variables">
-          <title>Check how boolean values are used/implemented in your application</title>
-          <para>Check how boolean values are used in your application.</para>
-          <para>For example:
-<programlisting>
-mybool=0
-# do something
-if [ $mybool -eq 1 ] ; then do_something_1 ; fi
-</programlisting>
-could be rewritten like this:
-<programlisting>
-mybool=false # (valid values are "true" or "false", pointing
-# to the builtin equivalents of /bin/true or /bin/false)
-# do something
-if ${mybool} ; then do_something_1 ; fi
-</programlisting>
-or
-<programlisting>
-integer mybool=0 # values are 0 or 1
-# do something
-if (( mybool==1 )) ; then do_something_1 ; fi
-</programlisting>
-          </para>
-      </section>
-
-      <section xml:id="shell_uses_characters_not_bytes">
-          <title>&tag_i18n;The shell always operates on <emphasis>characters</emphasis> not bytes</title>
-          <para>Shell scripts operate on characters and <emphasis>not</emphasis> bytes.
-          Some locales use multiple bytes (called "multibyte locales") to represent one character</para>
-
-          <note><para>ksh93 has support for binary variables which explicitly
-          operate on bytes, not characters. This is the <emphasis>only</emphasis> allowed
-          exception.</para></note>
-      </section>
-
-
-      <section xml:id="multibyte_locale_input">
-          <title>&tag_i18n;Multibyte locales and input</title>
-          <para>Think about whether your application has to handle file names or
-          variables in multibyte locales and make sure all commands used in your
-          script can handle such characters (e.g. lots of commands in Solaris's
-          <filename>/usr/bin/</filename> are <emphasis>not</emphasis> able to handle such values - either use ksh93
-          builtin constructs (which are guaranteed to be multibyte-aware) or
-          commands from <filename>/usr/xpg4/bin/</filename> and/or <filename>/usr/xpg6/bin</filename>)
-          </para>
-      </section>
-
-
-      <section xml:id="use_external_filters_only_for_large_datasets">
-          <title>&tag_performance;Only use external filters like <literal>grep</literal>/<literal>sed</literal>/<literal>awk</literal>/etc.
-          if you want to process lots of data with them</title>
-          <para>Only use external filters like <literal>grep</literal>/<literal>sed</literal>/<literal>awk</literal>/etc.
-          if a significant amount of data is processed by the filter or if
-          benchmarking shows that the use of builtin commands is significantly slower
-          (otherwise the time and resources needed to start the filter are
-          far greater then the amount of data being processed,
-          creating a performance problem).</para>
-          <para>For example:
-<programlisting>
-if [ "$(echo "$x" | egrep '.*foo.*')" != "" ] ; then
-    do_something ;
-done
-</programlisting>
-can be re-written using ksh93 builtin constructs, saving several
-<literal>|fork()|+|exec()|</literal>'s:
-<programlisting>
-if [[ "${x}" == ~(E).*foo.* ]] ; then
-    do_something ;
-done
-</programlisting>
-          </para>
-      </section>
-
-
-      <section xml:id="use_dashdash_if_first_arg_is_variable">
-          <title>If the first operand of a command is a variable, use <literal>--</literal></title>
-          <para>If the first operand of a command is a variable, use <literal>--</literal>
-          for any command that accepts this as end of argument to
-          avoid problems if the variable expands to a value starting with <literal>-</literal>.
-          </para>
-          <note><para>
-          At least
-          <simplelist type="inline">
-              <member>print</member>
-              <member>/usr/bin/fgrep</member><member>/usr/xpg4/bin/fgrep</member>
-              <member>/usr/bin/grep</member> <member>/usr/xpg4/bin/grep</member>
-              <member>/usr/bin/egrep</member><member>/usr/xpg4/bin/egrep</member>
-          </simplelist>
-          support <literal>--</literal> as "end of arguments"-terminator.
-          </para></note>
-      </section>
-
-      <section xml:id="use_export">
-          <title>&tag_kshonly;&tag_performance;Use <literal>$ export FOOBAR=val #</literal> instead of
-          <literal>$ FOOBAR=val ; export FOOBAR #</literal></title>
-          <para>Use <literal>$ export FOOBAR=val # instead of $ FOOBAR=val ; export FOOBAR #</literal> -
-          this is much faster.</para>
-      </section>
-
-
-      <section xml:id="use_subshell_around_set_dashdash_usage">
-          <title>Use a subshell (e.g. <literal>$ ( mycmd ) #</literal>) around places which use
-              <literal>set -- $(mycmd)</literal> and/or <literal>shift</literal></title>
-          <para>Use a subshell (e.g. <literal>$ ( mycmd ) #</literal>) around places which use
-          <literal>set -- $(mycmd)</literal> and/or <literal>shift</literal> unless the variable
-          affected is either a local one or if it's guaranteed that this variable will no longer be used
-          (be careful for loadable functions, e.g. ksh/ksh93's <literal>autoload</literal> !!!!)
-          </para>
-      </section>
-
-
-      <section xml:id="be_careful_with_tabs_in_script_code">
-          <title>Be careful with using TABS in script code, they are not portable
-          between editors or platforms</title>
-          <para>Be careful with using TABS in script code, they are not portable
-          between editors or platforms.</para>
-          <para>If you use ksh93 use <literal>$'\t'</literal> to include TABs in sources, not the TAB character itself.</para>
-      </section>
-
-
-      <section xml:id="centralise_error_exit">
-           <title>If you have multiple points where your application exits with an error
-           message create a central function for this purpose</title>
-           <para>If you have multiple points where your application exits with an error
-           message create a central function for this, e.g.
-<programlisting>
-if [ -z "$tmpdir" ] ; then
-        print -u2 "mktemp failed to produce output; aborting."
-        exit 1
-fi
-if [ ! -d $tmpdir ] ; then
-        print -u2 "mktemp failed to create a directory; aborting."
-        exit 1
-fi
-</programlisting>
-should be replaced with
-<programlisting>
-function fatal_error
-{
-    print -u2 "${progname}: $*"
-    exit 1
-}
-# do something (and save ARGV[0] to variable "progname")
-if [ -z "$tmpdir" ] ; then
-        fatal_error "mktemp failed to produce output; aborting."
-fi
-if [ ! -d "$tmpdir" ] ; then
-        fatal_error "mktemp failed to create a directory; aborting."
-fi
-</programlisting>
-          </para>
-      </section>
-
-
-      <section xml:id="use_set_o_nounset">
-          <title>&tag_kshonly; Think about using <literal>$ set -o nounset #</literal> by default</title>
-          <para>Think about using <literal>$ set -o nounset #</literal> by default (or at least during the
-    script's development phase) to catch errors where variables are used
-    when they are not set (yet), e.g.
-<screen>
-$ <userinput>(set -o nounset ; print ${foonotset})</userinput>
-<computeroutput>/bin/ksh93: foonotset: parameter not set</computeroutput>
-</screen>
-           </para>
-      </section>
-
-
-      <section xml:id="avoid_eval_builtin">
-          <title>Avoid using <literal>eval</literal> unless absolutely necessary</title>
-          <para>Avoid using <literal>eval</literal> unless absolutely necessary.  Subtle things
-          can happen when a string is passed back through the shell
-          parser.  You can use name references to avoid uses such as
-          <literal>eval $name="$value"</literal>.
-          </para>
-      </section>
-
-
-      <section xml:id="use_concatenation_operator">
-          <title>&tag_ksh93only;Use the string/array concatenation operator <literal>+=</literal></title>
-          <para>Use <literal>+=</literal> instead of manually adding strings/array elements, e.g.
-<programlisting>
-foo=""
-foo="${foo}a"
-foo="${foo}b"
-foo="${foo}c"
-</programlisting>
-should be replaced with
-<programlisting>
-foo=""
-foo+="a"
-foo+="b"
-foo+="c"
-</programlisting>
-          </para>
-      </section>
- 
-      <section xml:id="use_source_not_dot">
-          <title>&tag_ksh93only;Use <literal>source</literal> instead of '<literal>.</literal> '(dot)
-          to include other shell script fragments</title>
-          <para>Use <literal>source</literal> instead of '<literal>.</literal>'
-          (dot) to include other shell script fragments - the new form is much
-          more readable than the tiny dot and a failure can be caught within the script.</para>
-      </section>
-
-
-      <section xml:id="use_builtin_localisation_support">
-          <title>&tag_ksh93only;&tag_performance;&tag_l10n;Use <literal>$"..."</literal> instead of
-          <literal>gettext ... "..."</literal> for strings that need to be localized for different locales</title>
-          <para>Use $"..." instead of <literal>gettext ... "..."</literal> for strings that need to be
-          localized for different locales. <literal>gettext</literal> will require a
-          <literal>fork()+exec()</literal> and
-          reads the whole catalog each time it's called, creating a huge overhead for localisation
-          (and the  <literal>$"..."</literal> is easier to use, e.g. you only have to put a
-          <literal>$</literal> in front of the catalog and the string will be localised).
-          </para>
-      </section>
-
-
-      <section xml:id="use_set_o_noglob">
-          <title>&tag_kshonly;&tag_performance;Use <literal>set -o noglob</literal> if you do not need to expand files</title>
-          <para>If you don't expect to expand files, you can do set <literal>-f</literal>
-          (<literal>set -o noglob</literal>) as well.  This way the need to use <literal>""</literal> is
-          greatly reduced.</para>
-      </section>
-
-
-      <section xml:id="use_empty_ifs_to_handle_spaces">
-          <title>&tag_ksh93only;Use <literal>IFS=</literal> to avoid problems with spaces in filenames</title>
-          <para>Unless you want to do word splitting, put <literal>IFS=</literal>
-          at the beginning of a command.  This way spaces in
-          file names won't be a problem.  You can do
-          <literal>IFS='delims' read -r</literal> line
-          to override <envar>IFS</envar> just for the <literal>read</literal> command.  However,
-          you can't do this for the <literal>set</literal> builtin.</para>
-      </section>
-
-
-      <section xml:id="set_locale_when_comparing_against_localised_output">
-          <title>Set the message locale if you process output of tools which may be localised</title>
-          <para>Set the message locale (<envar>LC_MESSAGES</envar>) if you process output of tools which may be localised</para>
-          <example><title>Set <envar>LC_MESSAGES</envar> when testing for specific outout of the <filename>/usr/bin/file</filename> utility:</title>
-<programlisting>
-# set french as default message locale
-export LC_MESSAGES=fr_FR.UTF-8
-
-...
-
-# test whether the file "/tmp" has the filetype "directory" or not
-# we set LC_MESSAGES to "C" to ensure the returned message is in english
-if [[ "$(LC_MESSAGES=C file /tmp)" = *directory ]] ; then
-    print "is a directory"
-fi
-</programlisting>
-          <note><para>The environment variable <envar>LC_ALL</envar> always
-          overrides any other <envar>LC_*</envar> environment variables
-          (and <envar>LANG</envar>, too),
-          including <envar>LC_MESSAGES</envar>.
-          if there is the chance that <envar>LC_ALL</envar> may be set
-          replace <envar>LC_MESSAGES</envar> with <envar>LC_ALL</envar>
-          in the example above.</para></note>
-          </example>
-      </section>
-      
-      <section xml:id="cleanup_after_yourself">
-          <title>Cleanup after yourself.</title>
-          <para>Cleanup after yourself. For example ksh/ksh93 have an <literal>EXIT</literal> trap which
-          is very useful for this.
-          </para>
-          <note><para>
-          Note that the <literal>EXIT</literal> trap is executed for a subshell and each subshell
-          level can run it's own <literal>EXIT</literal> trap, for example
-<screen>
-$ <userinput>(trap "print bam" EXIT ; (trap "print snap" EXIT ; print "foo"))</userinput>
-<computeroutput>foo
-snap
-bam</computeroutput>
-</screen>
-          </para></note>
-      </section>
-
-      <section xml:id="use_proper_exit_code">
-          <title>Use a proper <literal>exit</literal> code</title>
-          <para>Explicitly set the exit code of a script, otherwise the exit code
-          from the last command executed will be used which may trigger problems
-          if the value is unexpected.</para>
-      </section>
-
-
-      <section xml:id="shell_lint">
-          <title>&tag_ksh93only;Use <literal>shcomp -n scriptname.sh /dev/null</literal> to check for common errors</title>
-          <para>Use <literal>shcomp -n scriptname.sh /dev/null</literal> to
-          check for common problems (such as insecure, depreciated or ambiguous constructs) in shell scripts.</para>
-      </section>
-  </section><!-- end of general -->
-
-
-
-
-
-  <section xml:id="functions">
-      <title>Functions</title>
-
-      <section xml:id="use_functions">
-          <title>Use functions to break up your code</title>
-          <para>Use functions to break up your code into smaller, logical blocks.</para>
-      </section>
-
-      <section xml:id="do_not_reserved_keywords_for_function_names">
-          <title>Do not use function names which are reserved keywords in C/C++/JAVA or the POSIX shell standard</title>
-          <para>Do not use function names which are reserved keywords (or function names) in C/C++/JAVA or the POSIX shell standard
-          (to avoid confusion and/or future changes/updates to the shell language).
-          </para>
-      </section> 
-      
-      <section xml:id="use_ksh_style_function_syntax">
-          <title>&tag_kshonly;&tag_performance;Use ksh-style <literal>function</literal></title>
-          <para>It is <emphasis>highly</emphasis> recommended to use ksh style functions
-          (<literal>function foo { ... }</literal>) instead
-          of Bourne-style functions (<literal>foo() { ... }</literal>) if possible
-          (and local variables instead of spamming the global namespace).</para>
-
-          <warning><para>
-          The difference between old-style Bourne functions and ksh functions is one of the major differences
-          between ksh88 and ksh93 - ksh88 allowed variables to be local for Bourne-style functions while ksh93
-          conforms to the POSIX standard and will use a function-local scope for variables declared in
-          Bourne-style functions.</para>
-          <para>Example (note that "<literal>integer</literal>" is an alias for "<literal>typeset -li</literal>"):
-<programlisting>
-# new style function with local variable
-$ ksh93 -c 'integer x=2 ; function foo { integer x=5 ; } ; print "x=$x"
-; foo ; print "x=$x" ;'
-x=2
-x=2
-# old style function with an attempt to create a local variable
-$ ksh93 -c 'integer x=2 ; foo() { integer x=5 ; } ; print "x=$x" ; foo ;
-print "x=$x" ;'       
-x=2
-x=5
-</programlisting>
-
-          <uri xlink:href="http://www.opensolaris.org/os/project/ksh93-integration/docs/ksh93r/general/compatibility/">usr/src/lib/libshell/common/COMPATIBILITY</uri>
-          says about this issue:
-<blockquote><para>
-Functions, defined with name() with ksh-93 are compatible with
-the POSIX standard, not with ksh-88.  No local variables are
-permitted, and there is no separate scope.  Functions defined
-with the function name syntax, maintain compatibility.
-This also affects function traces.
-</para></blockquote>
-(this issue also affects <filename>/usr/xpg4/bin/sh</filename> in Solaris 10 because it is based on ksh88. This is a bug.).          
-          </para></warning>
-
-      </section>
-
-
-      <section xml:id="use_proper_return_code">
-          <title>Use a proper <literal>return</literal> code</title>
-          <para>Explicitly set the return code of a function - otherwise the exit code
-          from the last command executed will be used which may trigger problems
-          if the value is unexpected.</para>
-          <para>The only allowed exception is if a function uses the shell's <literal>errexit</literal> mode to leave
-          a function, subshell or the script if a command returns a non-zero exit code.
-          </para>
-      </section>
-
-      <section xml:id="use_fpath_to_load_common_code">
-          <title>&tag_kshonly;Use <envar>FPATH</envar> to load common functions, not <literal>source</literal></title>
-          <para>
-          Use the ksh <envar>FPATH</envar> (function path) feature to load functions which are shared between scripts
-          and not <literal>source</literal> - this allows to load such a function on demand and not all at once.</para>
-      </section>
- 
-  </section><!-- end of functions -->
-
-
-
-
-  <section xml:id="if_for_while">
-      <title><literal>if</literal>, <literal>for</literal> and <literal>while</literal></title>
-
-      <section xml:id="if_for_while_format">
-          <title>Format</title>
-          <para>To match <literal>cstyle</literal>, the shell token equivalent to the <literal>C</literal>
-          "<literal>{</literal>" should appear on the same line, separated by a
-          "<literal>;</literal>", as in:
-<programlisting>
-if [ "$x" = "hello" ] ; then
-    echo $x
-fi
-
-if [[ "$x" = "hello" ]] ; then
-    print $x
-fi
-
-for i in 1 2 3; do
-    echo $i
-done
-
-for ((i=0 ; i &lt; 3 ; i++)); do
-    print $i
-done
-
-while [ $# -gt 0 ]; do
-    echo $1
-    shift
-done
-
-while (( $# &gt; 0 )); do
-  print $1
-  shift
-done
-</programlisting>
-          </para>
-      </section>
-
-
-      <section xml:id="test_builtin">
-          <title><literal>test</literal> Builtin</title>
-          <para>DO NOT use the test builtin. Sorry, executive decision.</para>
-          <para>In our Bourne shell, the <literal>test</literal> built-in is the same as the "["
-          builtin (if you don't believe me, try "type test" or refer to <filename>usr/src/cmd/sh/msg.c</filename>).</para>
-          <para>
-          So please do not write:
-<programlisting>
-if test $# -gt 0 ; then
-</programlisting>         
-instead use:
-<programlisting>
-if [ $# -gt 0 ] ; then
-</programlisting>
-          </para>
-      </section>
-
-
-      <section xml:id="use_ksh_test_syntax">
-           <title>&tag_kshonly;&tag_performance;Use "<literal>[[ expr ]]</literal>" instead of "<literal>[ expr ]</literal>"</title>
-           <para>Use "<literal>[[ expr ]]</literal>" instead of "<literal>[ expr ]</literal>" if possible
-           since it avoids going through the whole pattern expansion/etc. machinery and
-           adds additional operators not available in the Bourne shell, such as short-circuit
-           <literal>&amp;&amp;</literal> and <literal>||</literal>.
-           </para>
-      </section>
-
-      
-      <section xml:id="use_posix_arithmetic_expressions">
-          <title>&tag_kshonly; Use "<literal>(( ... ))</literal>" for arithmetic expressions</title>
-          <para>Use "<literal>(( ... ))</literal>" instead of "<literal>[ expr ]</literal>"
-          or "<literal>[[ expr ]]</literal>" expressions.
-          </para>
-          <para>
-          Example: Replace
-<programlisting>
-i=5
-# do something
-if [ $i -gt 5 ] ; then
-</programlisting>
-with
-<programlisting>
-i=5
-# do something
-if (( i &gt; 5 )) ; then
-</programlisting>
-          </para>
-      </section>
-
-
-      <section xml:id="compare_exit_code_using_math">
-          <title>&tag_kshonly;&tag_performance;Compare exit code using arithmetic expressions expressions</title>
-          <para>Use POSIX arithmetic expressions to test for exit/return codes of commands and functions.
-          For example turn
-<programlisting>
-if [ $? -gt 0 ] ; then
-</programlisting>
-into
-<programlisting>
-if (( $? &gt; 0 )) ; then
-</programlisting>
-         </para>
-      </section>
-      
-
-      <section xml:id="use_builtin_commands_in_loops">
-         <title>&tag_bourneonly; Use builtin commands in conditions for <literal>while</literal> endless loops</title>
-         <para>Make sure that your shell has a "<literal>true</literal>" builtin (like ksh93) when
-         executing endless loops like <literal>$ while true ; do do_something ; done #</literal> -
-         otherwise each loop cycle runs a <literal>|fork()|+|exec()|</literal>-cycle to run
-         <filename>/bin/true</filename>
-         </para>
-      </section>
-
-
-      <section xml:id="single_line_if_statements">
-         <title>Single-line if-statements</title>
-         <para>It is permissible to use <literal>&amp;&amp;</literal> and <literal>||</literal> to construct
-         shorthand for an "<literal>if</literal>" statement in the case where the if statement has a
-         single consequent line:
-<programlisting>
-[ $# -eq 0 ] &amp;&amp; exit 0
-</programlisting>
-instead of the longer:
-<programlisting>
-if [ $# -eq 0 ]; then
-  exit 0
-fi
-</programlisting>
-         </para>
-      </section>
-
-
-      <section xml:id="exit_status_and_if_for_while">
-         <title>Exit Status and <literal>if</literal>/<literal>while</literal> statements</title>
-         <para>Recall that "<literal>if</literal>" and "<literal>while</literal>"
-         operate on the exit status of the statement
-         to be executed. In the shell, zero (0) means true and non-zero means false.
-         The exit status of the last command which was executed is available in the $?
-         variable. When using "<literal>if</literal>" and "<literal>while</literal>",
-         it is typically not necessary to use
-         <literal>$?</literal> explicitly, as in:
-<programlisting>
-grep foo /etc/passwd &gt;/dev/null 2>&amp;1
-if [ $? -eq 0 ]; then
-  echo "found"
-fi
-</programlisting>
-Instead, you can more concisely write:
-<programlisting>
-if grep foo /etc/passwd &gt;/dev/null 2>&amp;1; then
-  echo "found"
-fi
-</programlisting>
-Or, when appropriate:
-<programlisting>
-grep foo /etc/passwd &gt;/dev/null 2>&amp;1 &amp;&amp; echo "found"
-</programlisting>
-         </para>
-      </section>
-
-  </section><!-- end of if/for/while -->
-
-
-
-
-
-
-  <section xml:id="variables">
-  <title>Variable types, naming and usage</title>
-
-      <section xml:id="names_should_be_lowercase">
-          <title>Names of local, non-environment, non-constant variables should be lowercase</title>
-          <para>Names of variables local to the current script which are not exported to the environment
-          should be lowercase while variable names which are exported to the
-          environment should be uppercase.</para>
-          <para>The only exception are global constants (=global readonly variables,
-          e.g. <literal>$ float -r M_PI=3.14159265358979323846 #</literal> (taken from &lt;math.h&gt;))
-          which may be allowed to use uppercase names, too.
-          </para>
-
-          <warning><para>
-              Uppercase variable names should be avoided because there is a good chance
-              of naming collisions with either special variable names used by the shell
-              (e.g.  <literal>PWD</literal>, <literal>SECONDS</literal> etc.).
-          </para></warning>
-      </section>
-
-      <section xml:id="do_not_reserved_keywords_for_variable_names">
-          <title>Do not use variable names which are reserved keywords/variable names in C/C++/JAVA or the POSIX shell standard</title>
-          <para>Do not use variable names which are reserved keywords in C/C++/JAVA or the POSIX shell standard
-          (to avoid confusion and/or future changes/updates to the shell language).
-          </para>
-          <note>
-            <para>The Korn Shell and the POSIX shell standard have many more
-            reserved variable names than the original Bourne shell. All
-            these reserved variable names are spelled uppercase.           
-            </para>
-          </note>
-      </section> 
-           
-      <section xml:id="use_brackets_around_long_names">
-          <title>Always use <literal>'{'</literal>+<literal>'}'</literal> when using variable
-          names longer than one character</title>
-          <para>Always use <literal>'{'</literal>+<literal>'}'</literal> when using
-          variable names longer than one character unless a simple variable name is
-          followed by a blank, <literal>/</literal>, <literal>;</literal>, or <literal>$</literal>
-          character (to avoid problems with array,
-          compound variables or accidental misinterpretation by users/shell)
-<programlisting>
-print "$foo=info"
-</programlisting>
-should be rewritten to
-<programlisting>
-print "${foo}=info"
-</programlisting>
-          </para>
-      </section>
-
-
-      <section xml:id="quote_variables_containing_filenames_or_userinput">
-          <title><emphasis>Always</emphasis> put variables into quotes when handling filenames or user input</title>
-          <para><emphasis>Always</emphasis> put variables into quotes when handling filenames or user input, even if
-          the values are hardcoded or the values appear to be fixed. Otherwise at
-          least two things may go wrong:
-          <itemizedlist>
-          <listitem><para>a malicious user may be able to exploit a script's inner working to
-          infect his/her own code</para></listitem>
-          <listitem><para>a script may (fatally) misbehave for unexpected input (e.g. file names
-          with blanks and/or special symbols which are interpreted by the shell)</para></listitem>
-          </itemizedlist>
-          </para>
-
-          <note><para>
-          As alternative a script may set <literal>IFS='' ; set -o noglob</literal> to turn off the
-          interpretation of any field seperators and the pattern globbing.
-          </para></note>
-      </section>
-
-   
-   
-      <section xml:id="use_typed_variables">
-          <title>&tag_kshonly;&tag_performance;Use typed variables if possible.</title>
-          <para>For example the following is very
-          inefficient since it transforms the integer values to strings and back
-          several times:
-<programlisting>
-a=0
-b=1
-c=2
-# more code
-if [ $a -lt 5 -o $b -gt c ] ; then do_something ; fi
-</programlisting>
-This could be rewritten using ksh constructs:
-<programlisting>
-integer a=0
-integer b=1
-integer c=2
-# more code
-if (( a &lt; 5 || b &gt; c )) ; then do_something ; fi
-</programlisting>
-          </para>
-      </section>
-
-
-      <section xml:id="store_lists_in_arrays">
-          <title>&tag_ksh93only; Store lists in arrays or associative arrays</title>
-          <para>Store lists in arrays or associative arrays - this is usually easier
-          to manage.</para>
-          <para>
-    For example:
-<programlisting>
-x="
-/etc/foo
-/etc/bar
-/etc/baz
-"
-echo $x
-</programlisting>
-can be replaced with
-<programlisting>
-typeset -a mylist
-mylist[0]="/etc/foo"
-mylist[1]="/etc/bar"
-mylist[2]="/etc/baz"
-print "${mylist[@]}"
-</programlisting>
-or (ksh93-style append entries to a normal (non-associative) array)
-<programlisting>
-typeset -a mylist
-mylist+=( "/etc/foo" )
-mylist+=( "/etc/bar" )
-mylist+=( "/etc/baz" )
-print "${mylist[@]}"
-</programlisting>
-          </para>
-          <note>
-              <title>Difference between expanding arrays with mylist[@] and mylist[*] subscript operators</title>
-              <para>
-              Arrays may be expanded using two similar subscript operators, @ and *. These subscripts
-              differ only when the variable expansion appears within double quotes. If the variable expansion
-              is between double-quotes, "${mylist[*]}" expands to a single string with the value of each array
-              member separated by the first character of the <envar>IFS</envar> variable, and "${mylist[@]}"
-              expands each element of name to a separate string.
-              </para>
-              <example><title>Difference between [@] and [*] when expanding arrays</title>
-<programlisting>
-typeset -a mylist
-mylist+=( "/etc/foo" )
-mylist+=( "/etc/bar" )
-mylist+=( "/etc/baz" )
-IFS=","
-printf "mylist[*]={ 0=|%s| 1=|%s| 2=|%s| 3=|%s| }\n" "${mylist[*]}"
-printf "mylist[@]={ 0=|%s| 1=|%s| 2=|%s| 3=|%s| }\n" "${mylist[@]}"
-</programlisting>
-<para>will print:</para>
-<screen>
-<computeroutput>mylist[*]={ 0=|/etc/foo,/etc/bar,/etc/baz| 1=|| 2=|| 3=|| }
-mylist[@]={ 0=|/etc/foo| 1=|/etc/bar| 2=|/etc/baz| 3=|| }
-</computeroutput>
-</screen>
-              </example>
-          </note>
-      </section>
-
-
-      <section xml:id="use_compound_variables_or_lists_for_grouping">
-          <title>&tag_ksh93only; Use compound variables or associative arrays to group similar variables together</title>
-          <para>Use compound variables or associative arrays to group similar variables together.</para>
-          <para>
-    For example:
-<programlisting>
-box_width=56
-box_height=10
-box_depth=19
-echo "${box_width} ${box_height} ${box_depth}"
-</programlisting>
-could be rewritten to ("associative array"-style)
-<programlisting>
-typeset -A -E box=( [width]=56 [height]=10 [depth]=19 )
-print -- "${box[width]} ${box[height]} ${box[depth]}"
-</programlisting>
-or ("compound variable"-style
-<programlisting>
-box=(
-    float width=56
-    float height=10
-    float depth=19
-    )
-print -- "${box.width} ${box.height} ${box.depth}"
-</programlisting>
-          </para>
-      </section>    
-  </section><!-- end of variables -->
-
-
-
-
-
-
-
-  <section xml:id="io">
-  <title>I/O</title>
-
-      <section xml:id="avoid_echo">
-          <title>Avoid using the "<literal>echo</literal>" command for output</title>
-          <para>The behaviour of "<literal>echo</literal>" is not portable
-          (e.g. System V, BSD, UCB and ksh93/bash shell builtin versions all
-          slightly differ in functionality) and should be avoided if possible.
-          POSIX defines the "<literal>printf</literal>" command as replacement
-          which provides more flexible and portable behaviour.</para>
-
-          <note>
-              <title>&tag_kshonly;Use "<literal>print</literal>" and not "<literal>echo</literal>" in Korn Shell scripts</title>
-              <para>Korn shell scripts should prefer the "<literal>print</literal>"
-              builtin which was introduced as replacement for "<literal>echo</literal>".</para>
-              <caution>
-                  <para>Use <literal>$ print -- ${varname}" #</literal> when there is the slightest chance that the
-                  variable "<literal>varname</literal>" may contain symbols like "-". Or better use "<literal>printf</literal>"
-                  instead, for example
-<programlisting>
-integer fx
-# do something
-print $fx
-</programlisting>
-may fail if "f" contains a negative value. A better way may be to use
-<programlisting>
-integer fx
-# do something
-printf "%d\n" fx
-</programlisting>
-                  </para>
-              </caution>
-          </note>
-      </section>
-      
-      <section xml:id="use_redirect_not_exec_to_open_files">
-          <title>&tag_ksh93only;Use <literal>redirect</literal> and not <literal>exec</literal> to open files</title>
-          <para>Use <literal>redirect</literal> and not <literal>exec</literal> to open files - <literal>exec</literal>
-          will terminate the current function or script if an error occurs while <literal>redirect</literal>
-          just returns a non-zero exit code which can be caught.</para>
-<para>Example:
-<programlisting>
-if redirect 5&lt;/etc/profile ; then
-    print "file open ok"
-    head &lt;&amp;5
-else
-    print "could not open file"
-fi
-</programlisting>
-           </para>
-      </section>
-      
-      <section xml:id="group_identical_redirections_together">
-          <title>&tag_performance;Avoid redirections per command when the output goes into the same file,
-          e.g. <literal>$ echo "foo" &gt;xxx ; echo "bar" &gt;&gt;xxx ; echo "baz" &gt;&gt;xxx #</literal></title>
-          <para>Each of the redirections above trigger an
-          <literal>|open()|,|write()|,|close()|</literal>-sequence. It is much
-          more efficient (and faster) to group the rediction into a block,
-          e.g. <literal>{ echo "foo" ; echo "bar" ; echo "baz" } &gt;xxx #</literal></para>
-      </section>
-
-
-      <section xml:id="avoid_using_temporary_files">
-          <title>&tag_performance;Avoid the creation of temporary files and store the values in variables instead</title>
-          <para>Avoid the creation of temporary files and store the values in variables instead if possible</para>
-          <para>
-    Example:
-<programlisting>
-ls -1 &gt;xxx
-for i in $(cat xxx) ; do
-    do_something ;
-done
-</programlisting>
-can be replaced with
-<programlisting>
-x="$(ls -1)"
-for i in ${x} ; do
-    do_something ;
-done
-</programlisting>
-           </para>
-           <note><para>ksh93 supports binary variables (e.g. <literal>typeset -b varname</literal>) which can hold any value.</para></note>
-      </section>  
-
-
-      <section xml:id="create_subdirs_for_multiple_temporary_files">
-          <title>If you create more than one temporary file create an unique subdir</title>
-          <para>If you create more than one temporary file create an unique subdir for
-          these files and make sure the dir is writable. Make sure you cleanup
-          after yourself (unless you are debugging).
-          </para>
-      </section>           
-
-
-      <section xml:id="use_dynamic_file_descriptors">
-          <title>&tag_ksh93only;Use {n}&lt;file instead of fixed file descriptor numbers</title>
-          <para>When opening a file use {n}&lt;file, where <envar>n</envar> is an
-          integer variable rather than specifying a fixed descriptor number.</para>
-          <para>This is highly recommended in functions to avoid that fixed file
-          descriptor numbers interfere with the calling script.</para>
-<example><title>Open a network connection and store the file descriptor number in a variable</title>
-<programlisting>
-function cat_http
-{
-    integer netfd
-
-...
-
-    # open TCP channel
-    redirect {netfd}&lt;&gt;"/dev/tcp/${host}/${port}"
-
-    # send HTTP request    
-    request="GET /${path} HTTP/1.1\n"
-    request+="Host: ${host}\n"
-    request+="User-Agent: demo code/ksh93 (2007-08-30; $(uname -s -r -p))\n"
-    request+="Connection: close\n"
-    print "${request}\n" &gt;&amp;${netfd}
-    
-    # collect response and send it to stdout
-    cat &lt;&amp;${netfd}
-    
-    # close connection
-    exec {netfd}&lt;&amp;-
-
-...
-
-}
-</programlisting>
-</example>
-      </section>           
-
-
-      <section xml:id="use_inline_here_documents">
-          <title>&tag_ksh93only;&tag_performance;Use inline here documents
-          instead of <literal>echo "$x" | command</literal></title>
-          <para>Use inline here documents, for example
-<programlisting>
-command &lt;&lt;&lt; $x
-</programlisting>
-       rather than
-<programlisting>
-print -r -- "$x" | command
-</programlisting>
-          </para>
-      </section>           
-
-
-      <section xml:id="use_read_r">
-          <title>&tag_ksh93only;Use the <literal>-r</literal> option of <literal>read</literal> to read a line</title>
-          <para>Use the <literal>-r</literal> option of <literal>read</literal> to read a line.
-          You never know when a line will end in <literal>\</literal> and without a
-          <literal>-r</literal> multiple
-          lines can be read.</para>
-      </section>
-
-
-      <section xml:id="print_compound_variables_using_print_C">
-          <title>&tag_ksh93only;Print compound variables using <literal>print -C varname</literal> or <literal>print -v varname</literal></title>
-          <para>Print compound variables using <literal>print -C varname</literal> or
-          <literal>print -v varname</literal> to make sure that non-printable characters
-          are correctly encoded.</para>
-<example><title>Print compound variable with non-printable characters</title>
-<programlisting>
-compound x=(
-    a=5
-    b="hello"
-    c=(
-        d=9
-        e="$(printf "1\v3")" <co xml:id="co.vertical_tab1" />
-    )
-)
-print -v x
-</programlisting>
-<para>will print:</para>
-<screen>
-<computeroutput>(
-        a=5
-        b=hello
-        c=(
-                d=9
-                e=$'1\0133' <co xml:id="co.vertical_tab2" />
-        )
-)</computeroutput>
-</screen>
-<calloutlist>
-  <callout arearefs="co.vertical_tab1 co.vertical_tab2">
-    <para>vertical tab, <literal>\v</literal>, octal=<literal>\013</literal>.</para>
-  </callout>
-</calloutlist>
-</example>
-      </section>
-
-      <section xml:id="command_name_before_redirections">
-          <title>Put the command name and arguments before redirections</title>
-          <para>Put the command name and arguments before redirections.
-          You can legally do <literal>$ &gt; file date</literal> instead of <literal>date &gt; file</literal>
-          but don't do it.</para>
-      </section>           
-
-      <section xml:id="enable_gmacs_editor_mode_for_user_prompts">
-          <title>&tag_ksh93only;Enable the <literal>gmacs</literal> editor
-          mode when reading user input using the <literal>read</literal> builtin</title>
-          <para>Enable the <literal>gmacs</literal>editor mode before reading user
-          input using the <literal>read</literal> builtin to enable the use of
-          cursor+backspace+delete keys in the edit line</para>
-<example><title>Prompt user for a string with gmacs editor mode enabled</title>
-<programlisting>
-set -o gmacs <co xml:id="co.enable_gmacs" />
-typeset inputstring="default value"
-...
-read -v<co xml:id="co.read_v" /> inputstring<co xml:id="co.readvar" />?"Please enter a string: "<co xml:id="co.prompt" />
-...
-printf "The user entered the following string: '%s'\n" "${inputstring}"
-
-...
-</programlisting>
-<calloutlist>
-  <callout arearefs="co.enable_gmacs">
-    <para>Enable gmacs editor mode.</para>
-  </callout>
-  <callout arearefs="co.read_v">
-    <para>The value of the variable is displayed and used as a default value.</para>
-  </callout>  
-  <callout arearefs="co.readvar">
-    <para>Variable used to store the result.</para>
-  </callout> 
-  <callout arearefs="co.prompt">
-    <para>Prompt string which is displayed in stderr.</para>
-  </callout> 
-</calloutlist>
-</example>
-      </section>        
-  </section><!-- end of I/O -->
-
-
-
-
-
-
-  <section xml:id="math">
-  <title>Math</title>
-
-      <section xml:id="use_builtin_arithmetic_expressions">
-          <title>&tag_kshonly;&tag_performance;Use builtin arithmetic expressions instead of external applications</title>
-          <para>Use builtin (POSIX shell) arithmetic expressions instead of
-          <filename>expr</filename>,
-          <filename>bc</filename>,
-          <filename>dc</filename>,
-          <filename>awk</filename>,
-          <filename>nawk</filename> or
-          <filename>perl</filename>.
-          </para>
-          <note>
-              <para>ksh93 supports C99-like floating-point arithmetic including special values
-              such as
-              <simplelist type="inline">
-              <member>+Inf</member>
-              <member>-Inf</member>
-              <member>+NaN</member>
-              <member>-NaN</member>
-              </simplelist>.
-              </para>
-          </note>
-      </section>
-
-
-      <section xml:id="use_floating_point_arithmetic_expressions">
-          <title>&tag_ksh93only; Use floating-point arithmetic expressions if
-          calculations may trigger a division by zero or other exceptions</title>
-          <para>Use floating-point arithmetic expressions if calculations may
-          trigger a division by zero or other exceptions - floating point arithmetic expressions in
-          ksh93 support special values such as <literal>+Inf</literal>/<literal>-Inf</literal> and
-          <literal>+NaN</literal>/<literal>-NaN</literal> which can greatly simplify testing for
-          error conditions, e.g. instead of a <literal>trap</literal> or explicit
-          <literal>if ... then... else</literal> checks for every sub-expression
-          you can check the results for such special values.
-          </para>
-          <para>Example:
-<screen>
-$ <userinput>ksh93 -c 'integer i=0 j=5 ; print -- "x=$((j/i)) "'</userinput>
-<computeroutput>ksh93: line 1: j/i: divide by zero</computeroutput>
-$ <userinput>ksh93 -c 'float i=0 j=-5 ; print -- "x=$((j/i)) "'</userinput>
-<computeroutput>x=-Inf</computeroutput>
-</screen>
-          </para>
-      </section>
-
-
-      <section xml:id="use_printf_a_for_passing_float_values">
-          <title>&tag_ksh93only; Use <literal>printf "%a"</literal> when passing floating-point values</title>
-          <para>Use <literal>printf "%a"</literal> when passing floating-point values between scripts or
-          as output of a function to avoid rounding errors when converting between
-          bases.</para>
-          <para>
-    Example:
-<programlisting>
-function xxx
-{
-    float val
-
-    (( val=sin(5.) ))
-    printf "%a\n" val
-}
-float out
-(( out=$(xxx) ))
-xxx
-print -- $out
-</programlisting>
-This will print:
-<programlisting>
--0.9589242747
--0x1.eaf81f5e09933226af13e5563bc6p-01
-</programlisting>
-          </para>
-      </section>
-
-
-      <section xml:id="put_constants_into_readonly_variables">
-         <title>&tag_kshonly;&tag_performance;Put constant values into readonly variables</title>
-         <para>Put constant values into readonly variables</para>
-         <para>For example:
-<programlisting>
-float -r M_PI=3.14159265358979323846
-</programlisting>
-or
-<programlisting>
-float M_PI=3.14159265358979323846
-readonly M_PI
-</programlisting>
-          </para>
-      </section>
-
-
-      <section xml:id="avoid_unnecessary_string_number_conversions">
-         <title>&tag_kshonly;&tag_performance;Avoid string to number
-         (and/or number to string) conversions in arithmetic expressions
-         expressions</title>
-         <para>Avoid string to number and/or number to string conversions in
-         arithmetic expressions expressions to avoid performance degradation
-         and rounding errors.</para>
-         <example><title>(( x=$x*2 )) vs. (( x=x*2 ))</title>
-<programlisting>
-float x
-...
-(( x=$x*2 ))
-</programlisting>
-<para>
-will convert the variable "x" (stored in the machine's native
-<literal>|long double|</literal> datatype) to a string value in base10 format,
-apply pattern expansion (globbing), then insert this string into the
-arithmetic expressions and parse the value which converts it into the internal |long double| datatype format again.
-This is both slow and generates rounding errors when converting the floating-point value between
-the internal base2 and the base10 representation of the string.
-</para>
-<para>
-The correct usage would be:
-</para>
-<programlisting>
-float x
-...
-(( x=x*2 ))
-</programlisting>
-<para>
-e.g. omit the '$' because it's (at least) redundant within arithmetic expressions.
-</para>
-         </example>
-
-
-         <example><title>x=$(( y+5.5 )) vs. (( x=y+5.5 ))</title>
-<programlisting>
-float x
-float y=7.1
-...
-x=$(( y+5.5 ))
-</programlisting>
-<para>
-will calculate the value of <literal>y+5.5</literal>, convert it to a
-base-10 string value amd assign the value to the floating-point variable
-<literal>x</literal> again which will convert the string value back to the
-internal |long double| datatype format again.
-</para>
-<para>
-The correct usage would be:
-</para>
-<programlisting>
-float x
-float y=7.1
-...
-(( x=y+5.5 ))
-</programlisting>
-<para>
-i.e. this will save the string conversions and avoid any base2--&gt;base10--&gt;base2-conversions.
-</para>
-          </example>
-      </section>
-
-
-      <section xml:id="set_lc_numeric_when_using_floating_point">
-         <title>&tag_ksh93only;Set <envar>LC_NUMERIC</envar> when using floating-point constants</title>
-         <para>Set <envar>LC_NUMERIC</envar> when using floating-point constants to avoid problems with radix-point
-         representations which differ from the representation used in the script, for example the <literal>de_DE.*</literal> locale
-         use ',' instead of '.' as default radix point symbol.</para>
-         <para>For example:
-<programlisting>
-# Make sure all math stuff runs in the "C" locale to avoid problems with alternative
-# radix point representations (e.g. ',' instead of '.' in de_DE.*-locales). This
-# needs to be set _before_ any floating-point constants are defined in this script)
-if [[ "${LC_ALL}" != "" ]] ; then
-    export \
-        LC_MONETARY="${LC_ALL}" \
-        LC_MESSAGES="${LC_ALL}" \
-        LC_COLLATE="${LC_ALL}" \
-        LC_CTYPE="${LC_ALL}"
-        unset LC_ALL
-fi
-export LC_NUMERIC=C
-...
-float -r M_PI=3.14159265358979323846
-</programlisting>
-          </para>
-
-          <note><para>The environment variable <envar>LC_ALL</envar> always overrides all other <envar>LC_*</envar> variables,
-          including <envar>LC_NUMERIC</envar>. The script should always protect itself against custom <envar>LC_NUMERIC</envar> and
-          <envar>LC_ALL</envar> values as shown in the example above.
-          </para></note>
-      </section>
-
-
-
-  </section><!-- end of math -->
-    
-  
-
-
-
-
-  <section xml:id="misc">
-  <title>Misc</title>
-
-      <section xml:id="debug_use_lineno_in_ps4">
-          <title>Put <literal>[${LINENO}]</literal> in your <envar>PS4</envar></title>
-          <para>Put <literal>[${LINENO}]</literal> in your <envar>PS4</envar> prompt so that you will get line
-          numbers with you run with <literal>-x</literal>. If you are looking at performance
-          issues put <literal>$SECONDS</literal> in the <envar>PS4</envar> prompt as well.</para>
-      </section>
-
-  </section><!-- end of misc -->
-
-
-
-
-</section><!-- end of RULES -->
-
-
-
-  
-</article>
diff --git a/usr/src/lib/libsmartsshd/Makefile b/usr/src/lib/libsmartsshd/Makefile
new file mode 100644
index 0000000000..50d9545ef1
--- /dev/null
+++ b/usr/src/lib/libsmartsshd/Makefile
@@ -0,0 +1,48 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2011 Joyent, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+include		../Makefile.lib
+
+SUBDIRS=	$(MACH)
+$(BUILD64)SUBDIRS += $(MACH64)
+
+all :=		TARGET = all
+clean :=	TARGET = clean
+clobber :=	TARGET = clobber
+install :=	TARGET = install
+lint :=		TARGET = lint
+
+.KEEP_STATE:
+
+all clean clobber install lint: $(SUBDIRS)
+
+$(SUBDIRS):  FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+_msg:
+
+FRC:
+
+include ../Makefile.targ
diff --git a/usr/src/lib/libsmartsshd/Makefile.com b/usr/src/lib/libsmartsshd/Makefile.com
new file mode 100644
index 0000000000..914aab055b
--- /dev/null
+++ b/usr/src/lib/libsmartsshd/Makefile.com
@@ -0,0 +1,47 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2011 Joyent, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+LIBRARY=	libsmartsshd.a
+VERS=		.1
+OBJECTS=	sshd-plugin.o
+
+include ../../Makefile.lib
+include	../../Makefile.rootfs
+
+SRCDIR =	../common
+SRCS =	$(OBJECTS:%.o=$(SRCDIR)/%.c)
+
+CPPFLAGS +=	-I$(SRCDIR) -D_REENTRANT -D_FILE_OFFSET_BITS=64
+LIBS =		$(DYNLIB) $(LINTLIB)
+LDLIBS +=	-lc -ldoor
+
+$(LINTLIB) :=	SRCS=	$(SRCDIR)/$(LINTSRC)
+
+.KEEP_STATE:
+
+all:	$(LIBS)
+
+lint:	lintcheck
+
+include ../../Makefile.targ
diff --git a/usr/src/lib/libsmartsshd/amd64/Makefile b/usr/src/lib/libsmartsshd/amd64/Makefile
new file mode 100644
index 0000000000..31be0ef7e6
--- /dev/null
+++ b/usr/src/lib/libsmartsshd/amd64/Makefile
@@ -0,0 +1,32 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2011 Joyent, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include ../Makefile.com
+include ../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/libsmartsshd/common/llib-lsmartsshd b/usr/src/lib/libsmartsshd/common/llib-lsmartsshd
new file mode 100644
index 0000000000..ace7017d41
--- /dev/null
+++ b/usr/src/lib/libsmartsshd/common/llib-lsmartsshd
@@ -0,0 +1,32 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*LINTLIBRARY*/
+/*PROTOLIB1*/
+/*
+ *
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ *
+ */
+
+#pragma ident   "%Z%%M% %I%     %E% SMI"
+
diff --git a/usr/src/lib/libsmartsshd/common/mapfile-vers b/usr/src/lib/libsmartsshd/common/mapfile-vers
new file mode 100644
index 0000000000..ce5fc7a9c0
--- /dev/null
+++ b/usr/src/lib/libsmartsshd/common/mapfile-vers
@@ -0,0 +1,45 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright (c) 2011, Joyent Inc. All rights reserved.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+SYMBOL_VERSION SUNWprivate_1.1 {
+    global:
+	sshd_user_rsa_key_allowed;
+    local:
+	*;
+};
diff --git a/usr/src/lib/libsmartsshd/common/sshd-plugin.c b/usr/src/lib/libsmartsshd/common/sshd-plugin.c
new file mode 100644
index 0000000000..4f0f0bc1ad
--- /dev/null
+++ b/usr/src/lib/libsmartsshd/common/sshd-plugin.c
@@ -0,0 +1,123 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+#include <alloca.h>
+#include <door.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <pwd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <openssl/rsa.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define	LOG_OOM(SZ)	fprintf(stderr, "Unable to alloca %d bytes\n", SZ)
+
+static const char *DOOR = "/var/tmp/._joyent_sshd_key_is_authorized";
+static const char *REQ_FMT_STR = "%s %d %s"; /* name uid fp */
+static const int RETURN_SZ = 2;
+
+static const int MAX_ATTEMPTS = 2;
+static const int SLEEP_PERIOD = 1;
+
+static int
+sshd_allowed_in_capi(struct passwd *pw, const char *fp)
+{
+	int allowed = 0;
+	int fd = -1;
+	int blen = 0;
+	int attempts = 0;
+	char *buf = NULL;
+	door_arg_t door_args = {0};
+
+	if (pw == NULL || fp == NULL)
+		return (0);
+
+	blen = snprintf(NULL, 0, REQ_FMT_STR, pw->pw_name, pw->pw_uid, fp) + 1;
+
+	buf = (char *)alloca(blen);
+	if (buf == NULL) {
+		LOG_OOM(blen);
+		return (0);
+	}
+
+	(void) snprintf(buf, blen, REQ_FMT_STR, pw->pw_name, pw->pw_uid, fp);
+	door_args.data_ptr = buf;
+	door_args.data_size = blen;
+
+	door_args.rsize = RETURN_SZ;
+	door_args.rbuf = alloca(RETURN_SZ);
+	if (door_args.rbuf == NULL) {
+		LOG_OOM(RETURN_SZ);
+		return (0);
+	}
+	memset(door_args.rbuf, 0, RETURN_SZ);
+
+	do {
+		fd = open(DOOR, O_RDWR);
+		if (fd < 0)
+			perror("smartplugin: open (of door FD) failed");
+
+		if (door_call(fd, &door_args) < 0) {
+			perror("smartplugin: door_call failed");
+		} else {
+			allowed = atoi(door_args.rbuf);
+			munmap(door_args.rbuf, door_args.rsize);
+			return (allowed);
+		}
+		if (++attempts < MAX_ATTEMPTS)
+			sleep(SLEEP_PERIOD);
+	} while (attempts < MAX_ATTEMPTS);
+
+	return (0);
+}
+
+int
+sshd_user_rsa_key_allowed(struct passwd *pw, RSA *key, const char *fp)
+{
+	return sshd_allowed_in_capi(pw, fp);
+}
+
+int
+sshd_user_dsa_key_allowed(struct passwd *pw, DSA *key, const char *fp)
+{
+	return sshd_allowed_in_capi(pw, fp);
+}
+
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/usr/src/lib/libsmartsshd/i386/Makefile b/usr/src/lib/libsmartsshd/i386/Makefile
new file mode 100644
index 0000000000..2bfe8001d9
--- /dev/null
+++ b/usr/src/lib/libsmartsshd/i386/Makefile
@@ -0,0 +1,31 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2011 Joyent, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/libumem/amd64/umem_genasm.c b/usr/src/lib/libumem/amd64/umem_genasm.c
index 00cc18ab67..ba68cb2d37 100644
--- a/usr/src/lib/libumem/amd64/umem_genasm.c
+++ b/usr/src/lib/libumem/amd64/umem_genasm.c
@@ -69,8 +69,6 @@
 #include <umem_impl.h>
 #include "umem_base.h"
 
-#include <stdio.h>
-
 const int umem_genasm_supported = 1;
 static uintptr_t umem_genasm_mptr = (uintptr_t)&_malloc;
 static size_t umem_genasm_msize = 576;
diff --git a/usr/src/lib/libvnd/Makefile b/usr/src/lib/libvnd/Makefile
new file mode 100644
index 0000000000..1352adb8e4
--- /dev/null
+++ b/usr/src/lib/libvnd/Makefile
@@ -0,0 +1,50 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include		../Makefile.lib
+
+HDRS =		libvnd.h
+HDRDIR =	common
+SUBDIRS =	$(MACH)
+$(BUILD64)SUBDIRS +=	$(MACH64)
+
+all :=		TARGET = all
+clean :=	TARGET = clean
+clobber :=	TARGET = clobber
+install :=	TARGET = install
+lint :=		TARGET = lint
+
+TYPECHECK_LIB = libvnd.so.1
+TYPELIST = \
+	vnd_ioc_attach_t \
+	vnd_ioc_link_t \
+	vnd_ioc_unlink_t \
+	vnd_ioc_buf_t \
+	vnd_ioc_info_t	
+
+.KEEP_STATE:
+
+all clean clobber install lint: $(SUBDIRS)
+
+install_h: 	$(ROOTHDRS)
+
+check:		$(CHECKHDRS) $(TYPECHECK)
+
+$(SUBDIRS):  FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
+
+include ../Makefile.targ
diff --git a/usr/src/lib/libvnd/Makefile.com b/usr/src/lib/libvnd/Makefile.com
new file mode 100644
index 0000000000..3c6896de11
--- /dev/null
+++ b/usr/src/lib/libvnd/Makefile.com
@@ -0,0 +1,39 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc. All rights reserved.
+#
+
+include		../../Makefile.lib
+
+LIBRARY =	libvnd.a
+VERS =		.1
+OBJECTS =	libvnd.o
+
+include ../../Makefile.lib
+
+LIBS =		$(DYNLIB) $(LINTLIB)
+LDLIBS +=	-lc
+CPPFLAGS +=	-I../common
+
+SRCDIR =	../common
+
+C99MODE=	-xc99=%all
+C99LMODE=	-Xc99=%all
+
+.KEEP_STATE:
+
+all:	$(LIBS)
+
+lint:	lintcheck
+
+include ../../Makefile.targ
diff --git a/usr/src/lib/libvnd/amd64/Makefile b/usr/src/lib/libvnd/amd64/Makefile
new file mode 100644
index 0000000000..15d904c616
--- /dev/null
+++ b/usr/src/lib/libvnd/amd64/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.com
+include ../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/libvnd/common/libvnd.c b/usr/src/lib/libvnd/common/libvnd.c
new file mode 100644
index 0000000000..8972f6cf5a
--- /dev/null
+++ b/usr/src/lib/libvnd/common/libvnd.c
@@ -0,0 +1,550 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#include <limits.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <strings.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stropts.h>
+#include <stdio.h>
+#include <zone.h>
+#include <assert.h>
+#include <sys/sysmacros.h>
+
+#include <sys/vnd.h>
+#include <libvnd.h>
+
+struct vnd_handle {
+	int vh_fd;
+	uint32_t vh_errno;
+	int vh_syserr;
+};
+
+static const char *vnd_strerror_tbl[] = {
+	"no error",					/* VND_E_SUCCESS */
+	"not enough memory available",			/* VND_E_NOMEM */
+	"no such datalink",				/* VND_E_NODATALINK */
+	"datalink not of type DL_ETHER",		/* VND_E_NOTETHER */
+	"unknown dlpi failure",				/* VND_E_DLPIINVAL */
+	"DL_ATTACH_REQ failed",				/* VND_E_ATTACHFAIL */
+	"DL_BIND_REQ failed",				/* VND_E_PROMISCFAIL */
+	"DL_PROMISCON_REQ failed",			/* VND_E_PROMISCFAIL */
+	"DLD_CAPAB_DIRECT enable failed",		/* VND_E_DIRECTFAIL */
+	"bad datalink capability",			/* VND_E_CAPACKINVAL */
+	"bad datalink subcapability",			/* VND_E_SUBCAPINVAL */
+	"bad dld version",				/* VND_E_DLDBADVERS */
+	"failed to create kstats",			/* VND_E_KSTATCREATE */
+	"no such vnd link",				/* VND_E_NODEV */
+	"netstack doesn't exist",			/* VND_E_NONETSTACK */
+	"device already associated",			/* VND_E_ASSOCIATED */
+	"device already attached",			/* VND_E_ATTACHED */
+	"device already linked",			/* VND_E_LINKED */
+	"invalid name",					/* VND_E_BADNAME */
+	"permission denied",				/* VND_E_PERM */
+	"no such zone",					/* VND_E_NOZONE */
+	"failed to initialize vnd stream module",	/* VND_E_STRINIT */
+	"device not attached",				/* VND_E_NOTATTACHED */
+	"device not linked",				/* VND_E_NOTLINKED */
+	"another device has the same link name",	/* VND_E_LINKEXISTS */
+	"failed to create minor node",			/* VND_E_MINORNODE */
+	"requested buffer size is too large",		/* VND_E_BUFTOOBIG */
+	"requested buffer size is too small",		/* VND_E_TOOSMALL */
+	"unable to obtain exclusive access to dlpi link, link busy",
+							/* VND_E_DLEXCL */
+	"DLD direct capability not supported over data link",
+							/* VND_E_DIRECTNOTSUP */
+	"invalid property size",			/* VND_E_BADPROPSIZE */
+	"invalid property",				/* VND_E_BADPROP */
+	"property is read only",			/* VND_E_PROPRDONLY */
+	"unexpected system error",			/* VND_E_SYS */
+	"capabilities invalid, pass-through module detected",
+							/* VND_E_CAPABPASS */
+	"unknown error"					/* VND_E_UNKNOWN */
+};
+
+vnd_errno_t
+vnd_errno(vnd_handle_t *vhp)
+{
+	return (vhp->vh_errno);
+}
+
+const char *
+vnd_strerror(vnd_errno_t err)
+{
+	if (err >= VND_E_UNKNOWN)
+		err = VND_E_UNKNOWN;
+	return (vnd_strerror_tbl[err]);
+}
+
+int
+vnd_syserrno(vnd_handle_t *vhp)
+{
+	return (vhp->vh_syserr);
+}
+
+const char *
+vnd_strsyserror(int err)
+{
+	return (strerror(err));
+}
+
+static int
+vnd_ioc_return(vnd_handle_t *vhp, uint32_t err)
+{
+	if (err != VND_E_SUCCESS) {
+		vhp->vh_errno = err;
+		vhp->vh_syserr = 0;
+	} else {
+		if (errno == EFAULT)
+			abort();
+		vhp->vh_errno = VND_E_SYS;
+		vhp->vh_syserr = errno;
+	}
+	return (-1);
+}
+
+void
+vnd_close(vnd_handle_t *vhp)
+{
+	int ret;
+
+	if (vhp->vh_fd >= 0) {
+		ret = close(vhp->vh_fd);
+		assert(ret == 0);
+	}
+	free(vhp);
+}
+
+static int
+vnd_link(vnd_handle_t *vhp, const char *name)
+{
+	vnd_ioc_link_t vil;
+
+	if (strlen(name) >= VND_NAMELEN) {
+		errno = ENAMETOOLONG;
+		return (-1);
+	}
+
+	(void) strlcpy(vil.vil_name, name, sizeof (vil.vil_name));
+	vil.vil_errno = VND_E_SUCCESS;
+	if (ioctl(vhp->vh_fd, VND_IOC_LINK, &vil) != 0)
+		return (vnd_ioc_return(vhp, vil.vil_errno));
+
+	return (0);
+}
+
+static vnd_handle_t *
+vnd_open_ctl(vnd_errno_t *vnderr, int *syserr)
+{
+	int fd;
+	vnd_handle_t *vhp;
+
+	vhp = malloc(sizeof (vnd_handle_t));
+	if (vhp == NULL) {
+		if (vnderr != NULL)
+			*vnderr = VND_E_NOMEM;
+		if (syserr != NULL)
+			*syserr = 0;
+		return (NULL);
+	}
+	bzero(vhp, sizeof (vnd_handle_t));
+
+	fd = open("/dev/vnd/ctl", O_RDWR);
+	if (fd < 0) {
+		if (vnderr != NULL)
+			*vnderr = VND_E_SYS;
+		if (syserr != NULL)
+			*syserr = errno;
+		free(vhp);
+		return (NULL);
+	}
+
+	vhp->vh_fd = fd;
+	return (vhp);
+}
+
+vnd_handle_t *
+vnd_create(const char *zonename, const char *datalink, const char *linkname,
+    vnd_errno_t *vnderr, int *syserr)
+{
+	int ret;
+	vnd_handle_t *vhp;
+	vnd_ioc_attach_t via;
+	zoneid_t zid;
+
+	if (strlen(datalink) >= VND_NAMELEN) {
+		if (vnderr != NULL)
+			*vnderr = VND_E_BADNAME;
+		if (syserr != NULL)
+			*syserr = 0;
+		return (NULL);
+	}
+
+	vhp = vnd_open_ctl(vnderr, syserr);
+	if (vhp == NULL)
+		return (NULL);	/* errno set for us */
+
+	if (zonename != NULL) {
+		zid = getzoneidbyname(zonename);
+		if (zid == -1) {
+			vnd_close(vhp);
+			if (vnderr != NULL)
+				*vnderr = VND_E_NOZONE;
+			if (syserr != NULL)
+				*syserr = 0;
+			return (NULL);
+		}
+		via.via_zoneid = zid;
+	} else {
+		via.via_zoneid = -1;
+	}
+
+	(void) strlcpy(via.via_name, datalink, sizeof (via.via_name));
+	via.via_errno = VND_E_SUCCESS;
+	if (ioctl(vhp->vh_fd, VND_IOC_ATTACH, &via) != 0) {
+		if (via.via_errno != VND_E_SUCCESS) {
+			if (vnderr != NULL)
+				*vnderr = via.via_errno;
+			if (syserr != NULL)
+				*syserr = 0;
+		} else {
+			if (vnderr != NULL)
+				*vnderr = VND_E_SYS;
+			if (syserr != NULL)
+				*syserr = errno;
+		}
+		vnd_close(vhp);
+		return (NULL);
+	}
+
+	ret = vnd_link(vhp, linkname);
+	if (ret != 0) {
+		if (vnderr != NULL)
+			*vnderr = vhp->vh_errno;
+		if (syserr != NULL)
+			*syserr = vhp->vh_syserr;
+		vnd_close(vhp);
+		return (NULL);
+	}
+
+	if (vnderr != NULL)
+		*vnderr = VND_E_SUCCESS;
+	if (syserr != NULL)
+		*syserr = 0;
+
+	return (vhp);
+}
+
+vnd_handle_t *
+vnd_open(const char *zone, const char *link, vnd_errno_t *vnderr, int *syserr)
+{
+	int fd, ret;
+	char path[MAXPATHLEN];
+	vnd_handle_t *vhp;
+
+	if (zone != NULL)
+		ret = snprintf(path, sizeof (path), "/dev/vnd/zone/%s/%s",
+		    zone, link);
+	else
+		ret = snprintf(path, sizeof (path), "/dev/vnd/%s", link);
+
+	if (ret >= sizeof (path)) {
+		if (vnderr != NULL)
+			*vnderr = VND_E_BADNAME;
+		if (syserr != NULL)
+			*syserr = 0;
+		return (NULL);
+	}
+
+	fd = open(path, O_RDWR);
+	if (fd < 0) {
+		if (vnderr != NULL)
+			*vnderr = VND_E_SYS;
+		if (syserr != NULL)
+			*syserr = errno;
+		return (NULL);
+	}
+
+	vhp = malloc(sizeof (vnd_handle_t));
+	if (vhp == NULL) {
+		if (vnderr != NULL)
+			*vnderr = VND_E_NOMEM;
+		if (syserr != NULL)
+			*syserr = 0;
+		ret = close(fd);
+		assert(ret == 0);
+		return (NULL);
+	}
+
+	bzero(vhp, sizeof (vnd_handle_t));
+	vhp->vh_fd = fd;
+
+	return (vhp);
+}
+
+int
+vnd_unlink(vnd_handle_t *vhp)
+{
+	vnd_ioc_unlink_t viu;
+	viu.viu_errno = VND_E_SUCCESS;
+
+	if (ioctl(vhp->vh_fd, VND_IOC_UNLINK, &viu) != 0)
+		return (vnd_ioc_return(vhp, viu.viu_errno));
+
+	return (0);
+}
+
+int
+vnd_pollfd(vnd_handle_t *vhp)
+{
+	return (vhp->vh_fd);
+}
+
+int
+vnd_walk(vnd_walk_cb_t func, void *arg, vnd_errno_t *vnderr, int *syserr)
+{
+	vnd_handle_t *vhp;
+	vnd_ioc_list_t vl;
+	vnd_ioc_info_t *viip;
+	int i, ret;
+
+	vl.vl_nents = 0;
+	vl.vl_ents = NULL;
+
+	vhp = vnd_open_ctl(vnderr, syserr);
+	if (vhp == NULL)
+		return (-1);	/* errno is set for us */
+
+	/* VND_IOC_LIST only returns generic errnos */
+	if (ioctl(vhp->vh_fd, VND_IOC_LIST, &vl) != 0) {
+		if (vnderr != NULL)
+			*vnderr = VND_E_SYS;
+		if (syserr != NULL)
+			*syserr = errno;
+		(void) vnd_ioc_return(vhp, VND_E_SUCCESS);
+		vnd_close(vhp);
+
+		return (-1);
+	}
+
+	if (vl.vl_actents == 0) {
+		vnd_close(vhp);
+		return (0);
+	}
+
+	viip = malloc(sizeof (vnd_ioc_info_t) * vl.vl_actents);
+	if (viip == NULL) {
+		if (vnderr != NULL)
+			*vnderr = VND_E_NOMEM;
+		if (syserr != NULL)
+			*syserr = 0;
+		vnd_close(vhp);
+		return (-1);
+	}
+
+	vl.vl_nents = vl.vl_actents;
+	vl.vl_ents = viip;
+
+	if (ioctl(vhp->vh_fd, VND_IOC_LIST, &vl) != 0) {
+		if (vnderr != NULL)
+			*vnderr = VND_E_SYS;
+		if (syserr != NULL)
+			*syserr = errno;
+		(void) vnd_ioc_return(vhp, VND_E_SUCCESS);
+		free(viip);
+		vnd_close(vhp);
+		return (-1);
+	}
+
+	ret = 0;
+	for (i = 0; i < MIN(vl.vl_nents, vl.vl_actents); i++) {
+		if (func((vnd_info_t *)(viip + i), arg) != 0) {
+			ret = 1;
+			break;
+		}
+	}
+
+	free(viip);
+	vnd_close(vhp);
+
+	return (ret);
+}
+
+static int
+vnd_prop_readonly(vnd_handle_t *vhp)
+{
+	vhp->vh_syserr = 0;
+	vhp->vh_errno = VND_E_PROPRDONLY;
+	return (-1);
+}
+
+/*ARGSUSED*/
+static int
+vnd_prop_getbuf(vnd_handle_t *vhp, int cmd, void *buf, size_t len)
+{
+	vnd_ioc_buf_t vib;
+	vnd_prop_buf_t *vpbp = (vnd_prop_buf_t *)buf;
+	vib.vib_errno = 0;
+
+	if (ioctl(vhp->vh_fd, cmd, &vib) != 0)
+		return (vnd_ioc_return(vhp, vib.vib_errno));
+
+	vpbp->vpb_size = vib.vib_size;
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+vnd_prop_setbuf(vnd_handle_t *vhp, int cmd, void *buf, size_t len)
+{
+	vnd_ioc_buf_t vib;
+	vnd_prop_buf_t *vpbp = (vnd_prop_buf_t *)buf;
+
+	vib.vib_errno = 0;
+	vib.vib_size = vpbp->vpb_size;
+	if (ioctl(vhp->vh_fd, cmd, &vib) != 0)
+		return (vnd_ioc_return(vhp, vib.vib_errno));
+
+	return (0);
+}
+
+typedef int (*vpt_prop_f)(vnd_handle_t *, int, void *, size_t);
+typedef struct vnd_prop_tab {
+	vnd_prop_t vpt_prop;
+	size_t vpt_size;
+	int vpt_ioctl_get;
+	int vpt_ioctl_set;
+	vpt_prop_f vpt_get;
+	vpt_prop_f vpt_set;
+} vnd_prop_tab_t;
+
+static vnd_prop_tab_t vnd_props[] = {
+	{ VND_PROP_RXBUF, sizeof (vnd_prop_buf_t), VND_IOC_GETRXBUF,
+		VND_IOC_SETRXBUF, vnd_prop_getbuf, vnd_prop_setbuf},
+	{ VND_PROP_TXBUF, sizeof (vnd_prop_buf_t), VND_IOC_GETTXBUF,
+		VND_IOC_SETTXBUF, vnd_prop_getbuf, vnd_prop_setbuf },
+	{ VND_PROP_MAXBUF, sizeof (vnd_prop_buf_t), VND_IOC_GETMAXBUF,
+		-1, vnd_prop_getbuf, NULL },
+	{ VND_PROP_MINTU, sizeof (vnd_prop_buf_t), VND_IOC_GETMINTU,
+		-1, vnd_prop_getbuf, NULL },
+	{ VND_PROP_MAXTU, sizeof (vnd_prop_buf_t), VND_IOC_GETMAXTU,
+		-1, vnd_prop_getbuf, NULL },
+	{ VND_PROP_MAX }
+};
+
+static int
+vnd_prop(vnd_handle_t *vhp, vnd_prop_t prop, void *buf, size_t len,
+    boolean_t get)
+{
+	vnd_prop_tab_t *vpt;
+
+	for (vpt = vnd_props; vpt->vpt_prop != VND_PROP_MAX; vpt++) {
+		if (vpt->vpt_prop != prop)
+			continue;
+
+		if (len != vpt->vpt_size) {
+			vhp->vh_errno = VND_E_BADPROPSIZE;
+			vhp->vh_syserr = 0;
+			return (-1);
+		}
+
+		if (get == B_TRUE) {
+			return (vpt->vpt_get(vhp, vpt->vpt_ioctl_get, buf,
+			    len));
+		} else {
+			if (vpt->vpt_set == NULL)
+				return (vnd_prop_readonly(vhp));
+			return (vpt->vpt_set(vhp, vpt->vpt_ioctl_set, buf,
+			    len));
+		}
+	}
+
+	vhp->vh_errno = VND_E_BADPROP;
+	vhp->vh_syserr = 0;
+	return (-1);
+}
+
+int
+vnd_prop_get(vnd_handle_t *vhp, vnd_prop_t prop, void *buf, size_t len)
+{
+	return (vnd_prop(vhp, prop, buf, len, B_TRUE));
+}
+
+int
+vnd_prop_set(vnd_handle_t *vhp, vnd_prop_t prop, void *buf, size_t len)
+{
+	return (vnd_prop(vhp, prop, buf, len, B_FALSE));
+}
+
+int
+vnd_prop_writeable(vnd_prop_t prop, boolean_t *write)
+{
+	vnd_prop_tab_t *vpt;
+
+	for (vpt = vnd_props; vpt->vpt_prop != VND_PROP_MAX; vpt++) {
+		if (vpt->vpt_prop != prop)
+			continue;
+
+		*write = (vpt->vpt_set != NULL);
+		return (0);
+	}
+
+	return (-1);
+}
+
+int
+vnd_prop_iter(vnd_handle_t *vhp, vnd_prop_iter_f func, void *arg)
+{
+	int i;
+
+	for (i = 0; i < VND_PROP_MAX; i++) {
+		if (func(vhp, i, arg) != 0)
+			return (1);
+	}
+
+	return (0);
+}
+
+int
+vnd_frameio_read(vnd_handle_t *vhp, frameio_t *fiop)
+{
+	int ret;
+
+	ret = ioctl(vhp->vh_fd, VND_IOC_FRAMEIO_READ, fiop);
+	if (ret == -1) {
+		vhp->vh_errno = VND_E_SYS;
+		vhp->vh_syserr = errno;
+	}
+
+	return (ret);
+}
+
+int
+vnd_frameio_write(vnd_handle_t *vhp, frameio_t *fiop)
+{
+	int ret;
+
+	ret = ioctl(vhp->vh_fd, VND_IOC_FRAMEIO_WRITE, fiop);
+	if (ret == -1) {
+		vhp->vh_errno = VND_E_SYS;
+		vhp->vh_syserr = errno;
+	}
+
+	return (ret);
+}
diff --git a/usr/src/lib/libvnd/common/libvnd.h b/usr/src/lib/libvnd/common/libvnd.h
new file mode 100644
index 0000000000..ea92f113b6
--- /dev/null
+++ b/usr/src/lib/libvnd/common/libvnd.h
@@ -0,0 +1,84 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _LIBVND_H
+#define	_LIBVND_H
+
+/*
+ * libvnd interfaces
+ */
+
+#include <stdint.h>
+#include <sys/vnd_errno.h>
+#include <sys/frameio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define	LIBVND_NAMELEN	32
+
+typedef struct vnd_handle vnd_handle_t;
+
+extern vnd_handle_t *vnd_create(const char *, const char *, const char *,
+    vnd_errno_t *, int *);
+extern vnd_handle_t *vnd_open(const char *, const char *, vnd_errno_t *, int *);
+extern int vnd_unlink(vnd_handle_t *);
+extern void vnd_close(vnd_handle_t *);
+extern vnd_errno_t vnd_errno(vnd_handle_t *);
+extern int vnd_syserrno(vnd_handle_t *);
+extern const char *vnd_strerror(vnd_errno_t);
+extern const char *vnd_strsyserror(int);
+
+extern int vnd_pollfd(vnd_handle_t *);
+
+typedef struct vnd_info {
+	uint32_t vi_version;
+	zoneid_t vi_zone;
+	char vi_name[LIBVND_NAMELEN];
+	char vi_datalink[LIBVND_NAMELEN];
+} vnd_info_t;
+
+typedef int (*vnd_walk_cb_t)(vnd_info_t *, void *);
+extern int vnd_walk(vnd_walk_cb_t, void *, vnd_errno_t *, int *);
+
+typedef enum vnd_prop {
+	VND_PROP_RXBUF = 0,
+	VND_PROP_TXBUF,
+	VND_PROP_MAXBUF,
+	VND_PROP_MINTU,
+	VND_PROP_MAXTU,
+	VND_PROP_MAX
+} vnd_prop_t;
+
+typedef struct vnd_prop_buf {
+	uint64_t vpb_size;
+} vnd_prop_buf_t;
+
+extern int vnd_prop_get(vnd_handle_t *, vnd_prop_t, void *, size_t);
+extern int vnd_prop_set(vnd_handle_t *, vnd_prop_t, void *, size_t);
+extern int vnd_prop_writeable(vnd_prop_t, boolean_t *);
+
+typedef int (*vnd_prop_iter_f)(vnd_handle_t *, vnd_prop_t, void *);
+extern int vnd_prop_iter(vnd_handle_t *, vnd_prop_iter_f, void *);
+
+extern int vnd_frameio_read(vnd_handle_t *, frameio_t *);
+extern int vnd_frameio_write(vnd_handle_t *, frameio_t *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBVND_H */
diff --git a/usr/src/lib/libvnd/common/llib-lvnd b/usr/src/lib/libvnd/common/llib-lvnd
new file mode 100644
index 0000000000..80a4229e32
--- /dev/null
+++ b/usr/src/lib/libvnd/common/llib-lvnd
@@ -0,0 +1,19 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/* LINTLIBRARY */
+/* PROTOLIB1 */
+
+#include <libvnd.h>
diff --git a/usr/src/lib/libvnd/common/mapfile-vers b/usr/src/lib/libvnd/common/mapfile-vers
new file mode 100644
index 0000000000..0eb862ab60
--- /dev/null
+++ b/usr/src/lib/libvnd/common/mapfile-vers
@@ -0,0 +1,55 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+#
+# TODO When this makes it into illumos we should make it a public interface
+#
+SYMBOL_VERSION ILLUMOSprivate {
+	global:
+		vnd_create;
+		vnd_close;
+		vnd_errno;
+		vnd_frameio_read;
+		vnd_frameio_write;
+		vnd_open;
+		vnd_pollfd;
+		vnd_prop_get;
+		vnd_prop_iter;
+		vnd_prop_set;
+		vnd_prop_writeable;
+		vnd_strerror;
+		vnd_strsyserror;
+		vnd_syserrno;
+		vnd_unlink;
+		vnd_walk;
+	local:
+		*;
+};
diff --git a/usr/src/lib/libvnd/i386/Makefile b/usr/src/lib/libvnd/i386/Makefile
new file mode 100644
index 0000000000..41e699e8f8
--- /dev/null
+++ b/usr/src/lib/libvnd/i386/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/libwanboot/Makefile.com b/usr/src/lib/libwanboot/Makefile.com
index ed69ec0b8a..1e6310f9ba 100644
--- a/usr/src/lib/libwanboot/Makefile.com
+++ b/usr/src/lib/libwanboot/Makefile.com
@@ -60,7 +60,7 @@ include ../../Makefile.lib
 
 LIBS +=		$(LINTLIB)
 LDLIBS +=	-lnvpair -lresolv -lnsl -lsocket -ldevinfo -ldhcputil \
-		-linetutil -lc -lcrypto -lssl
+		-linetutil -lc -lsunw_crypto -lsunw_ssl
 CPPFLAGS =	-I$(SRC)/common/net/wanboot/crypt $(CPPFLAGS.master)
 CERRWARN +=	-_gcc=-Wno-switch
 CERRWARN +=	-_gcc=-Wno-parentheses
diff --git a/usr/src/lib/libzdoor/Makefile b/usr/src/lib/libzdoor/Makefile
new file mode 100644
index 0000000000..50d9545ef1
--- /dev/null
+++ b/usr/src/lib/libzdoor/Makefile
@@ -0,0 +1,48 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2011 Joyent, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+include		../Makefile.lib
+
+SUBDIRS=	$(MACH)
+$(BUILD64)SUBDIRS += $(MACH64)
+
+all :=		TARGET = all
+clean :=	TARGET = clean
+clobber :=	TARGET = clobber
+install :=	TARGET = install
+lint :=		TARGET = lint
+
+.KEEP_STATE:
+
+all clean clobber install lint: $(SUBDIRS)
+
+$(SUBDIRS):  FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+_msg:
+
+FRC:
+
+include ../Makefile.targ
diff --git a/usr/src/lib/libzdoor/Makefile.com b/usr/src/lib/libzdoor/Makefile.com
new file mode 100644
index 0000000000..09bde0f1b4
--- /dev/null
+++ b/usr/src/lib/libzdoor/Makefile.com
@@ -0,0 +1,50 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2011 Joyent, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+LIBRARY=	libzdoor.a
+VERS=		.1
+OBJECTS=	zdoor.o		\
+		zdoor-int.o	\
+		ztree.o		\
+		zerror.o
+
+include ../../Makefile.lib
+include	../../Makefile.rootfs
+
+SRCDIR =	../common
+SRCS =	$(OBJECTS:%.o=$(SRCDIR)/%.c)
+
+CPPFLAGS +=	-I$(SRCDIR) -D_REENTRANT -D_FILE_OFFSET_BITS=64
+LIBS =		$(DYNLIB) $(LINTLIB)
+LDLIBS +=	-lc -lzonecfg -lcontract
+
+$(LINTLIB) :=	SRCS=	$(SRCDIR)/$(LINTSRC)
+
+.KEEP_STATE:
+
+all:	$(LIBS)
+
+lint:	lintcheck
+
+include ../../Makefile.targ
diff --git a/usr/src/lib/libzdoor/amd64/Makefile b/usr/src/lib/libzdoor/amd64/Makefile
new file mode 100644
index 0000000000..31be0ef7e6
--- /dev/null
+++ b/usr/src/lib/libzdoor/amd64/Makefile
@@ -0,0 +1,32 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2011 Joyent, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include ../Makefile.com
+include ../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/libzdoor/common/llib-lzdoor b/usr/src/lib/libzdoor/common/llib-lzdoor
new file mode 100644
index 0000000000..a21a904b11
--- /dev/null
+++ b/usr/src/lib/libzdoor/common/llib-lzdoor
@@ -0,0 +1,34 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*LINTLIBRARY*/
+/*PROTOLIB1*/
+/*
+ *
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ *
+ */
+
+#pragma ident   "%Z%%M% %I%     %E% SMI"
+
+#include <sys/types.h>
+#include <zdoor.h>
diff --git a/usr/src/lib/libzdoor/common/mapfile-vers b/usr/src/lib/libzdoor/common/mapfile-vers
new file mode 100644
index 0000000000..38eba57ee2
--- /dev/null
+++ b/usr/src/lib/libzdoor/common/mapfile-vers
@@ -0,0 +1,48 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright (c) 2011, Joyent Inc. All rights reserved.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+SYMBOL_VERSION SUNWprivate_1.1 {
+    global:
+	zdoor_handle_init;
+	zdoor_handle_destroy;
+	zdoor_open;
+	zdoor_close;
+    local:
+	*;
+};
diff --git a/usr/src/lib/libzdoor/common/zdoor-int.c b/usr/src/lib/libzdoor/common/zdoor-int.c
new file mode 100644
index 0000000000..f77c1453d4
--- /dev/null
+++ b/usr/src/lib/libzdoor/common/zdoor-int.c
@@ -0,0 +1,324 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2012 Joyent, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/fork.h>
+#include <libcontract.h>
+#include <libzonecfg.h>
+#include <sys/contract/process.h>
+#include <sys/ctfs.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "zdoor-int.h"
+#include "zerror.h"
+
+#define	ZDOOR_FMT_STR	"/var/tmp/.%s"
+
+
+static int
+init_template(void)
+{
+	int fd = 0;
+	int err = 0;
+
+	fd = open64(CTFS_ROOT "/process/template", O_RDWR);
+	if (fd == -1)
+		return (-1);
+
+	err |= ct_tmpl_set_critical(fd, 0);
+	err |= ct_tmpl_set_informative(fd, 0);
+	err |= ct_pr_tmpl_set_fatal(fd, CT_PR_EV_HWERR);
+	err |= ct_pr_tmpl_set_param(fd, CT_PR_PGRPONLY | CT_PR_REGENT);
+	if (err || ct_tmpl_activate(fd)) {
+		(void) close(fd);
+		return (-1);
+	}
+
+	return (fd);
+}
+
+static int
+contract_latest(ctid_t *id)
+{
+	int cfd = 0;
+	int r = 0;
+	ct_stathdl_t st = {0};
+	ctid_t result = {0};
+
+	if ((cfd = open64(CTFS_ROOT "/process/latest", O_RDONLY)) == -1)
+		return (errno);
+	if ((r = ct_status_read(cfd, CTD_COMMON, &st)) != 0) {
+		(void) close(cfd);
+		return (r);
+	}
+
+	result = ct_status_get_id(st);
+	ct_status_free(st);
+	(void) close(cfd);
+
+	*id = result;
+	return (0);
+}
+
+static int
+close_on_exec(int fd)
+{
+	int flags = fcntl(fd, F_GETFD, 0);
+	if ((flags != -1) && (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) != -1))
+		return (0);
+	return (-1);
+}
+
+static int
+contract_open(ctid_t ctid, const char *type, const char *file, int oflag)
+{
+	char path[PATH_MAX];
+	int n = 0;
+	int fd = 0;
+
+	if (type == NULL)
+		type = "all";
+
+	n = snprintf(path, PATH_MAX, CTFS_ROOT "/%s/%ld/%s", type, ctid, file);
+	if (n >= sizeof (path)) {
+		errno = ENAMETOOLONG;
+		return (-1);
+	}
+
+	fd = open64(path, oflag);
+	if (fd != -1) {
+		if (close_on_exec(fd) == -1) {
+			int err = errno;
+			(void) close(fd);
+			errno = err;
+			return (-1);
+		}
+	}
+	return (fd);
+}
+
+static int
+contract_abandon_id(ctid_t ctid)
+{
+	int fd = 0;
+	int err = 0;
+
+	fd = contract_open(ctid, "all", "ctl", O_WRONLY);
+	if (fd == -1)
+		return (errno);
+
+	err = ct_ctl_abandon(fd);
+	(void) close(fd);
+
+	return (err);
+}
+
+/*
+ * zdoor_fattach(zone,service,door,detach_only) is heavily borrowed from
+ * zonestatd.  Basically this forks, zone_enter's the targeted zone,
+ * fattaches to /var/tmp/.<service> with the door you've opened.
+ * detach_only gets passed in on door_stop to fdetach in the targeted zone.
+ * Note that this code really does require all the contract calls, which are
+ * all the static functions preceding this (have a look at zone_enter; without
+ * that code zone_enter will kick back EINVAL).
+ */
+int
+zdoor_fattach(zoneid_t zoneid, const char *service, int door, int detach_only)
+{
+	int fd = 0;
+	int len = 0;
+	int pid = 0;
+	int stat = 0;
+	int tmpl_fd = 0;
+	char path[MAXPATHLEN] = {0};
+	ctid_t ct = -1;
+
+	if (zoneid < 0) {
+		zdoor_debug("zdoor_fattach: zoneid < 0");
+		return (ZDOOR_ARGS_ERROR);
+	}
+
+	if (service == NULL) {
+		zdoor_debug("zdoor_fattach: NULL service");
+		return (ZDOOR_ARGS_ERROR);
+	}
+
+	if ((tmpl_fd = init_template()) < 0) {
+		zdoor_warn("zdoor_fattach: init contract for %d:%s failed",
+		    zoneid, service);
+		return (ZDOOR_ERROR);
+	}
+
+	len = snprintf(NULL, 0, ZDOOR_FMT_STR, service) + 1;
+	if (len > MAXPATHLEN)
+		return (ZDOOR_ARGS_ERROR);
+	(void) snprintf(path, len, ZDOOR_FMT_STR, service);
+
+	zdoor_info("zdoor_fattach: ensuring %s", path);
+
+	pid = fork();
+	if (pid < 0) {
+		(void) ct_tmpl_clear(tmpl_fd);
+		zdoor_error("zdoor_fattach: unable to fork for zone_enter: %s",
+		    strerror(errno));
+		return (ZDOOR_OK);
+	}
+
+	if (pid == 0) {
+		zdoor_debug("zdoor_fattach(CHILD): starting");
+		(void) ct_tmpl_clear(tmpl_fd);
+		(void) close(tmpl_fd);
+		if (zone_enter(zoneid) != 0) {
+			zdoor_debug("zdoor_fattach(CHILD): zone_enter fail %s",
+			    strerror(errno));
+			if (errno == EINVAL) {
+				_exit(0);
+			}
+			_exit(1);
+		}
+		(void) fdetach(path);
+		(void) unlink(path);
+		if (detach_only) {
+			zdoor_debug("zdoor_fattach(CHILD): detach only, done");
+			_exit(0);
+		}
+		fd = open(path, O_CREAT|O_RDWR, 0644);
+		if (fd < 0) {
+			zdoor_debug("zdoor_fattach(CHILD): open failed: %s",
+			    strerror(errno));
+			_exit(2);
+		}
+		if (fattach(door, path) != 0) {
+			zdoor_debug("zdoor_fattach(CHILD): fattach failed: %s",
+			    strerror(errno));
+			_exit(3);
+		}
+		_exit(0);
+	}
+	if (contract_latest(&ct) == -1)
+		ct = -1;
+	(void) ct_tmpl_clear(tmpl_fd);
+	(void) close(tmpl_fd);
+	(void) contract_abandon_id(ct);
+
+	zdoor_debug("zdoor_fattach: waiting for child...");
+	while (waitpid(pid, &stat, 0) != pid)
+		;
+	if (WIFEXITED(stat) && WEXITSTATUS(stat) == 0) {
+		zdoor_debug("   child exited with success");
+		zdoor_debug("zdoor_fattach: returning ZDOOR_OK");
+		return (ZDOOR_OK);
+	}
+
+	zdoor_debug("   child exited with %d", WEXITSTATUS(stat));
+	zdoor_debug("zdoor_fattach: returning ZDOOR_ERROR");
+	return (ZDOOR_ERROR);
+}
+
+/*
+ * zdoor_zone_is_running(zone) returns 1 if the specified zone is running, or 0
+ * if it is any other state. It additionally eats any other errors it
+ * encounters and returns 0 upon encountering them.
+ */
+boolean_t
+zdoor_zone_is_running(zoneid_t zoneid)
+{
+	zone_state_t state;
+	char zone[ZONENAME_MAX];
+	if (zoneid < 0)
+		return (B_FALSE);
+
+	if (getzonenamebyid(zoneid, zone, ZONENAME_MAX) < 0)
+		return (B_FALSE);
+
+	if (!zone_get_state((char *)zone, &state) == Z_OK)
+		return (B_FALSE);
+
+	return (state == ZONE_STATE_RUNNING);
+}
+
+/*
+ * zdoor_cookie_create simply allocates and initializes
+ * memory.  Returns NULL on any error.
+ */
+zdoor_cookie_t *
+zdoor_cookie_create(const char *zonename, const char *service,
+const void *biscuit)
+{
+	zdoor_cookie_t *cookie = NULL;
+
+	if (zonename == NULL || service == NULL)
+		return (NULL);
+
+	cookie = (zdoor_cookie_t *)calloc(1, sizeof (zdoor_cookie_t));
+	if (cookie == NULL) {
+		OUT_OF_MEMORY();
+		return (NULL);
+	}
+	cookie->zdc_biscuit = (void *)biscuit;
+	cookie->zdc_zonename = strdup((char *)zonename);
+	if (cookie->zdc_zonename == NULL) {
+		zdoor_cookie_free(cookie);
+		OUT_OF_MEMORY();
+		return (NULL);
+	}
+	cookie->zdc_service = strdup((char *)service);
+	if (cookie->zdc_service == NULL) {
+		zdoor_cookie_free(cookie);
+		OUT_OF_MEMORY();
+		return (NULL);
+	}
+
+	return (cookie);
+}
+
+/*
+ * zdoor_cookie_free(cookie) cleans up any memory associated with the
+ * specified cookie.
+ */
+void
+zdoor_cookie_free(zdoor_cookie_t *cookie)
+{
+	if (cookie == NULL)
+		return;
+
+	if (cookie->zdc_zonename != NULL) {
+		free(cookie->zdc_zonename);
+		cookie->zdc_zonename = NULL;
+	}
+
+	if (cookie->zdc_service != NULL) {
+		free(cookie->zdc_service);
+		cookie->zdc_service = NULL;
+	}
+
+	free(cookie);
+}
diff --git a/usr/src/lib/libzdoor/common/zdoor-int.h b/usr/src/lib/libzdoor/common/zdoor-int.h
new file mode 100644
index 0000000000..782452c426
--- /dev/null
+++ b/usr/src/lib/libzdoor/common/zdoor-int.h
@@ -0,0 +1,64 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _ZDOOR_INT_H
+#define	_ZDOOR_INT_H
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+#include <pthread.h>
+#include <zdoor.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum zdoor_action_t {
+	ZDOOR_ACTION_NOOP,
+	ZDOOR_ACTION_STOP,
+	ZDOOR_ACTION_START
+} zdoor_action_t;
+
+struct zdoor_handle {
+	pthread_mutex_t zdh_lock;
+	void *zdh_zonecfg_handle;
+	void *zdh_ztree;
+};
+
+zdoor_cookie_t *zdoor_cookie_create(const char *zonename, const char *service,
+	const void *biscuit);
+
+void zdoor_cookie_free(zdoor_cookie_t *cookie);
+
+boolean_t zdoor_zone_is_running(zoneid_t zoneid);
+
+int zdoor_fattach(zoneid_t zoneid, const char *service, int door,
+	int detach_only);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ZDOOR_INT_H */
diff --git a/usr/src/lib/libzdoor/common/zdoor.c b/usr/src/lib/libzdoor/common/zdoor.c
new file mode 100644
index 0000000000..f2996b4e2d
--- /dev/null
+++ b/usr/src/lib/libzdoor/common/zdoor.c
@@ -0,0 +1,437 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+#include <alloca.h>
+#include <door.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <libzonecfg.h>
+#include <pthread.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <syslog.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stropts.h>
+#include <unistd.h>
+#include <zdoor.h>
+#include <zone.h>
+
+#include "zdoor-int.h"
+#include "zerror.h"
+#include "ztree.h"
+
+extern void *
+zonecfg_notify_bind(int(*func)(const char *zonename, zoneid_t zid,
+		    const char *newstate, const char *oldstate,
+		    hrtime_t when, void *p), void *p);
+
+extern void
+zonecfg_notify_unbind(void *handle);
+
+/*
+ * _callback(cookie, door_args...) is our private function that we tell
+ * the Solaris door API about.  This function does some sanity checking on
+ * arguments and issues a callback to the owner of this door.  That API
+ * will return us memory that needs to be sent back to the client on the
+ * other end of the door, but since the door_return API never gives you
+ * back control of the function, this does a simple alloca/memcpy and
+ * frees up the memory pointed to by the parent.  While this really doesn't
+ * let a client do much other than pass a simple struct of primitives (or
+ * more likely more common a char *), that's the way the door API works,
+ * and so this isn't really imposing any restriction that didn't already
+ * need to be dealt with by someone.  This is why the zdoor_result structure
+ * takes a char *, rather than a void * for the data pointer.
+ */
+static void
+_callback(void *cookie, char *argp, size_t arg_size, door_desc_t *dp,
+	uint_t n_desc)
+{
+	zdoor_result_t *result = NULL;
+	void *door_response = NULL;
+	int size = 0;
+	dtree_entry_t *entry = (dtree_entry_t *)cookie;
+
+	if (entry == NULL) {
+		zdoor_warn("_callback: NULL cookie? door_returning");
+		(void) door_return(NULL, 0, NULL, 0);
+	}
+
+	(void) pthread_mutex_lock(&entry->dte_parent->zte_parent->zdh_lock);
+	zdoor_debug("_callback: calling back with %p", entry->dte_cookie);
+	result = entry->dte_callback(entry->dte_cookie, argp, arg_size);
+	zdoor_debug("_callback: app callback returned %p", result);
+	(void) pthread_mutex_unlock(&entry->dte_parent->zte_parent->zdh_lock);
+
+	if (result == NULL) {
+		zdoor_debug("_callback: door_returning NULL");
+		(void) door_return(NULL, 0, NULL, 0);
+	}
+
+	if (result->zdr_data != NULL && result->zdr_size > 0) {
+		door_response = alloca(result->zdr_size);
+		if (door_response != NULL) {
+			size = result->zdr_size;
+			(void) memcpy(door_response,
+				(void *) result->zdr_data, size);
+		}
+	}
+
+	if (result->zdr_data != NULL)
+		free(result->zdr_data);
+	free(result);
+
+	zdoor_debug("_callback: door_returning %p, %d", door_response, size);
+	(void) door_return(door_response, size, NULL, 0);
+}
+
+static void
+zdoor_stop(dtree_entry_t *entry)
+{
+	zoneid_t zid = -1;
+
+	if (entry == NULL) {
+		zdoor_debug("zdoor_stop: NULL arguments");
+		return;
+	}
+
+	zdoor_debug("zdoor_stop: entry=%p, zone=%s, service=%s",
+	    entry, entry->dte_parent->zte_zonename, entry->dte_service);
+
+	zid = getzoneidbyname(entry->dte_parent->zte_zonename);
+	(void) zdoor_fattach(zid, entry->dte_service, entry->dte_door, 1);
+	(void) door_revoke(entry->dte_door);
+	entry->dte_door = -1;
+
+	zdoor_debug("zdoor_stop returning");
+}
+
+/*
+ * zdoor_create is called both by the main API
+ * call zdoor_open, as well as by the zone_monitor code upon a zone restart
+ * (assuming it already has a door in it).  This code assumes that the
+ * permissions were correct (e.g., the target door is not a GZ, that this
+ * program is being run out of the GZ), but does not assume that the target
+ * door file has not changed out from under us, so that is explicitly rechecked.
+ *
+ * This also assumes the parent has already locked handle.
+ */
+static int
+zdoor_create(dtree_entry_t *entry)
+{
+	int status = ZDOOR_OK;
+	zoneid_t zid = -1;
+	zdoor_handle_t handle = NULL;
+
+	if (entry == NULL) {
+		zdoor_debug("zdoor_create: NULL arguments");
+		return (ZDOOR_ARGS_ERROR);
+	}
+
+	zdoor_debug("zdoor_create: entry=%p, zone=%s, service=%s",
+	    entry, entry->dte_parent->zte_zonename, entry->dte_service);
+
+	handle = entry->dte_parent->zte_parent;
+
+	zid = getzoneidbyname(entry->dte_parent->zte_zonename);
+	if (zid < 0) {
+		zdoor_info("zdoor_create: %s is a non-existient zone",
+		    entry->dte_parent->zte_zonename);
+		return (ZDOOR_ERROR);
+	}
+	if (!zdoor_zone_is_running(zid)) {
+		zdoor_debug("zdoor_create: %s is not running",
+		    entry->dte_parent->zte_zonename);
+		return (ZDOOR_ZONE_NOT_RUNNING);
+	}
+
+	entry->dte_door = door_create(_callback, entry, 0);
+	zdoor_info("zdoor_create: door_create returned %d", entry->dte_door);
+	if (entry->dte_door < 0) {
+		zdoor_stop(entry);
+		return (ZDOOR_ERROR);
+	}
+
+	status = zdoor_fattach(zid, entry->dte_service, entry->dte_door, 0);
+
+	zdoor_debug("zdoor_create: returning %d", status);
+	return (status);
+}
+
+
+/*
+ * door_visitor(entry) is a callback from the ztree code that checks whether
+ * or not we should be taking some action on a given door.  Note that the
+ * callpath to this API is:
+ *  SYSTEM ->
+ *    zone_monitor ->
+ *      ztree_walk ->
+ *        door_visitor
+ *
+ * Which is important to note that this API assumes that all things needing
+ * locking are locked by a parent caller (which is the zone_monitor).
+ */
+static void
+zdoor_visitor(dtree_entry_t *entry)
+{
+	if (entry == NULL) {
+		zdoor_info("zdoor_visitor: entered with NULL entry");
+		return;
+	}
+
+	zdoor_debug("zdoor_visitor: entered for entry=%p, service=%s",
+	    entry, entry->dte_service);
+
+	if (entry->dte_parent->zte_action == ZDOOR_ACTION_STOP) {
+		zdoor_debug("  stopping zdoor");
+		zdoor_stop(entry);
+	} else if (entry->dte_parent->zte_action == ZDOOR_ACTION_START) {
+		zdoor_debug("  starting zdoor");
+		if (zdoor_create(entry) != ZDOOR_OK) {
+			zdoor_error("door_visitor: Unable to restart zdoor\n");
+		}
+	}
+}
+
+/*
+ * zone_monitor(zonename, zid, newstate, oldstate, when, cookie) is our
+ * registered callback with libzonecfg to notify us of any changes to a
+ * given zone.  This activates a walk on all doors for a zone iff the state
+ * is changing from running or into running.
+ */
+static int
+zone_monitor(const char *zonename, zoneid_t zid, const char *newstate,
+	const char *oldstate, hrtime_t when, void *p)
+{
+	zdoor_handle_t handle = (zdoor_handle_t)p;
+	ztree_entry_t *entry = NULL;
+
+	if (handle == NULL) {
+		zdoor_warn("zone_monitor: entered with NULL handle?");
+		return (-1);
+	}
+
+	zdoor_info("zone_monitor: zone=%s, zid=%d, newst=%s, oldst=%s, p=%p",
+	    zonename, zid, newstate, oldstate, p);
+
+	(void) pthread_mutex_lock(&(handle->zdh_lock));
+	entry = ztree_zone_find(handle, zonename);
+	if (entry != NULL) {
+		zdoor_debug("  found entry in ztree");
+		entry->zte_action = ZDOOR_ACTION_NOOP;
+		if (strcmp("running", newstate) == 0) {
+			if (strcmp("ready", oldstate) == 0)
+				entry->zte_action = ZDOOR_ACTION_START;
+		} else if (strcmp("shutting_down", newstate) == 0) {
+			if (strcmp("running", oldstate) == 0)
+				entry->zte_action = ZDOOR_ACTION_STOP;
+		}
+		zdoor_debug("    set state to: %d", entry->zte_action);
+		if (entry->zte_action != ZDOOR_ACTION_NOOP)
+			ztree_walk_doors(handle, zonename);
+	}
+	(void) pthread_mutex_unlock(&(handle->zdh_lock));
+
+	zdoor_info("zone_monitor: returning");
+	return (0);
+}
+
+zdoor_handle_t
+zdoor_handle_init()
+{
+	zdoor_handle_t handle = NULL;
+
+	zdoor_debug("zdoor_handle_init entered");
+
+	handle = (zdoor_handle_t)calloc(1, sizeof (struct zdoor_handle));
+	if (handle == NULL) {
+		OUT_OF_MEMORY();
+		return (NULL);
+	}
+
+	(void) pthread_mutex_init(&(handle->zdh_lock), NULL);
+	handle->zdh_zonecfg_handle = zonecfg_notify_bind(zone_monitor, handle);
+	if (handle->zdh_zonecfg_handle == NULL) {
+		zdoor_error("zonecfg_notify_bind failure: %s", strerror(errno));
+		return (NULL);
+	}
+
+	zdoor_debug("zdoor_handle_init returning %p", handle);
+	return (handle);
+}
+
+void
+zdoor_handle_destroy(zdoor_handle_t handle)
+{
+	if (handle == NULL) {
+		zdoor_debug("zdoor_handle_destroy: NULL arguments");
+		return;
+	}
+
+	zdoor_debug("zdoor_handle_destroy: handle=%p", handle);
+
+	(void) pthread_mutex_lock(&(handle->zdh_lock));
+	zonecfg_notify_unbind(handle->zdh_zonecfg_handle);
+	(void) pthread_mutex_unlock(&(handle->zdh_lock));
+	(void) pthread_mutex_destroy(&(handle->zdh_lock));
+	free(handle);
+}
+
+/*
+ * zdoor_open(zone, service, biscuit, callback) is the main public facing API in
+ * libzdoor.  It will open a door with the name .[service] under
+ * [zonepath]/root/var/tmp, where [zonepath] is resolved on the fly.  Note this
+ * API can only be invoked from the global zone, and will not allow you to open
+ * a zdoor in the global zone.
+ */
+int
+zdoor_open(zdoor_handle_t handle, const char *zonename, const char *service,
+	void *biscuit, zdoor_callback callback)
+{
+	zdoor_cookie_t *zdoor_cookie = NULL;
+	int rc = -1;
+	int status = ZDOOR_OK;
+	zoneid_t zid = -1;
+	dtree_entry_t *entry = NULL;
+
+	if (handle == NULL || zonename == NULL ||
+	    service == NULL || callback == NULL) {
+		zdoor_debug("zdoor_open: NULL arguments");
+		return (ZDOOR_ARGS_ERROR);
+	}
+	zdoor_debug("zdoor_open: entered: handle=%p, zone=%s, service=%s",
+	    handle, zonename, service);
+
+	if (getzoneid() != GLOBAL_ZONEID) {
+		zdoor_warn("zdoor_open: not invoked from global zone");
+		return (ZDOOR_NOT_GLOBAL_ZONE);
+	}
+
+
+	zid = getzoneidbyname(zonename);
+	if (zid < 0) {
+		zdoor_info("zdoor_open: %s is a non-existent zone", zonename);
+		return (ZDOOR_ARGS_ERROR);
+	}
+
+	if (zid == GLOBAL_ZONEID) {
+		zdoor_warn("zdoor_open: zdoors not allowed in global zone");
+		return (ZDOOR_ZONE_FORBIDDEN);
+	}
+
+	if (!zdoor_zone_is_running(zid)) {
+		zdoor_info("zdoor_open: %s is not running", zonename);
+		return (ZDOOR_ZONE_NOT_RUNNING);
+	}
+
+	zdoor_cookie = zdoor_cookie_create(zonename, service, biscuit);
+	if (zdoor_cookie == NULL) {
+		OUT_OF_MEMORY();
+		return (ZDOOR_OUT_OF_MEMORY);
+	}
+
+	(void) pthread_mutex_lock(&(handle->zdh_lock));
+	rc = ztree_zone_add(handle, zonename, zdoor_visitor);
+	if (rc != ZTREE_SUCCESS && rc != ZTREE_ALREADY_EXISTS) {
+		zdoor_debug("zdoor_open: unable to add zone to ztree: %d", rc);
+		status = ZDOOR_ERROR;
+		goto out;
+	}
+	rc = ztree_door_add(handle, zonename, service, callback,
+	    zdoor_cookie);
+	if (rc != ZTREE_SUCCESS) {
+		zdoor_debug("zdoor_open: unable to add door to ztree: %d", rc);
+		if (rc == ZTREE_ALREADY_EXISTS) {
+			zdoor_warn("service %s already has a zdoor", service);
+		}
+		status = ZDOOR_ERROR;
+		goto out;
+	}
+
+	entry = ztree_door_find(handle, zonename, service);
+	if (entry == NULL) {
+		zdoor_debug("zdoor_open: unable to find door in ztree?");
+		status = ZDOOR_ERROR;
+		goto out;
+	}
+	if (zdoor_create(entry) != ZDOOR_OK) {
+		zdoor_info("zdoor_open: zdoor_create failed.");
+		status = ZDOOR_ERROR;
+		goto out;
+	}
+out:
+	if (status != ZDOOR_OK) {
+		zdoor_debug("zdoor_open: status not ok, stopping and cleaning");
+		zdoor_stop(entry);
+		ztree_door_remove(handle, entry);
+		zdoor_cookie_free(zdoor_cookie);
+	}
+	(void) pthread_mutex_unlock(&(handle->zdh_lock));
+	zdoor_debug("zdoor_open: returning %d", status);
+	return (status);
+}
+
+/*
+ * zdoor_close(zone, service) unregisters a previously created zdoor, and
+ * returns the biscuit provided at creation time, so the caller can free it.
+ * Returns NULL on any error.
+ */
+void *
+zdoor_close(zdoor_handle_t handle, const char *zonename, const char *service)
+{
+	dtree_entry_t *entry = NULL;
+	zdoor_cookie_t *cookie = NULL;
+	void *biscuit = NULL;
+
+	if (handle == NULL || zonename == NULL || service == NULL) {
+		zdoor_debug("zdoor_close: NULL arguments");
+		return (NULL);
+	}
+
+	zdoor_debug("zdoor_close: entered handle=%p, zone=%s, service=%s",
+	    handle, zonename, service);
+
+	(void) pthread_mutex_lock(&(handle->zdh_lock));
+
+	entry = ztree_door_find(handle, zonename, service);
+	if (entry != NULL) {
+		zdoor_debug("zdoor_close: found door in ztree, stopping");
+		zdoor_stop(entry);
+		cookie = ztree_door_remove(handle, entry);
+		if (cookie != NULL) {
+			biscuit = cookie->zdc_biscuit;
+			zdoor_cookie_free(cookie);
+		}
+	} else {
+		zdoor_debug("zdoor_close: didn't find door in ztree");
+	}
+
+	(void) pthread_mutex_unlock(&(handle->zdh_lock));
+
+	zdoor_debug("zdoor_close: returning %p", biscuit);
+	return (biscuit);
+}
diff --git a/usr/src/lib/libzdoor/common/zerror.c b/usr/src/lib/libzdoor/common/zerror.c
new file mode 100644
index 0000000000..5ccb449e1b
--- /dev/null
+++ b/usr/src/lib/libzdoor/common/zerror.c
@@ -0,0 +1,117 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <pthread.h>
+#include <sys/types.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "zerror.h"
+
+static const char *PREFIX = "%s ZDOOR:%s:T(%d): ";
+
+static const char *DEBUG_ENV_VAR = "ZDOOR_TRACE";
+
+static boolean_t
+is_debug_enabled()
+{
+	boolean_t enabled = B_FALSE;
+	const char *_envp = getenv(DEBUG_ENV_VAR);
+	if (_envp != NULL && atoi(_envp) >= 2)
+		enabled = B_TRUE;
+
+	return (enabled);
+}
+
+static boolean_t
+is_info_enabled()
+{
+	boolean_t enabled = B_FALSE;
+	const char *_envp = getenv(DEBUG_ENV_VAR);
+	if (_envp != NULL && atoi(_envp) >= 1)
+		enabled = B_TRUE;
+
+	return (enabled);
+}
+
+void
+zdoor_debug(const char *fmt, ...)
+{
+	va_list alist;
+
+	if (!is_debug_enabled())
+		return;
+
+	va_start(alist, fmt);
+
+	(void) fprintf(stderr, PREFIX, __TIME__, "DEBUG", pthread_self());
+	(void) vfprintf(stderr, fmt, alist);
+	(void) fprintf(stderr, "\n");
+	va_end(alist);
+}
+
+void
+zdoor_info(const char *fmt, ...)
+{
+	va_list alist;
+
+	if (!is_info_enabled())
+		return;
+
+	va_start(alist, fmt);
+
+	(void) fprintf(stderr, PREFIX, __TIME__, "INFO", pthread_self());
+	(void) vfprintf(stderr, fmt, alist);
+	(void) fprintf(stderr, "\n");
+	va_end(alist);
+}
+
+void
+zdoor_warn(const char *fmt, ...)
+{
+	va_list alist;
+
+	va_start(alist, fmt);
+
+	(void) fprintf(stderr, PREFIX, __TIME__, "WARN", pthread_self());
+	(void) vfprintf(stderr, fmt, alist);
+	(void) fprintf(stderr, "\n");
+	va_end(alist);
+}
+
+void
+zdoor_error(const char *fmt, ...)
+{
+	va_list alist;
+
+	va_start(alist, fmt);
+
+	(void) fprintf(stderr, PREFIX, __TIME__, "ERROR", pthread_self());
+	(void) vfprintf(stderr, fmt, alist);
+	(void) fprintf(stderr, "\n");
+	va_end(alist);
+}
diff --git a/usr/src/lib/libzdoor/common/zerror.h b/usr/src/lib/libzdoor/common/zerror.h
new file mode 100644
index 0000000000..afc848fcea
--- /dev/null
+++ b/usr/src/lib/libzdoor/common/zerror.h
@@ -0,0 +1,48 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _ZERROR_H
+#define	_ZERROR_H
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern void zdoor_debug(const char *fmt, ...);
+extern void zdoor_info(const char *fmt, ...);
+extern void zdoor_warn(const char *fmt, ...);
+extern void zdoor_error(const char *fmt, ...);
+
+#define	OUT_OF_MEMORY()	\
+	zdoor_error("Out of Memory at %s:%d", __FILE__, __LINE__)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ZERROR_H */
diff --git a/usr/src/lib/libzdoor/common/ztree.c b/usr/src/lib/libzdoor/common/ztree.c
new file mode 100644
index 0000000000..25c67f62fb
--- /dev/null
+++ b/usr/src/lib/libzdoor/common/ztree.c
@@ -0,0 +1,344 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <search.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "zerror.h"
+#include "ztree.h"
+
+
+/*
+ * ztree is just a helpful wrapper over a tsearch binary tree that deals with
+ * all of the libzdoor types.
+ *
+ * So what this ztree actually is is a tree of trees.  The outer tree is a tree
+ * of zones, and each node holds a tree of doors.
+ */
+
+/*
+ * _ztree_compare(p1, p2) is the tsearch callback for comparing the "outer"
+ * tree (e.g., the one of zones).
+ */
+static int
+_ztree_compare(const void *p1, const void *p2)
+{
+	ztree_entry_t *z1 = (ztree_entry_t *)p1;
+	ztree_entry_t *z2 = (ztree_entry_t *)p2;
+
+	if (z1 == NULL && z2 == NULL)
+		return (0);
+	if (z1 == NULL && z2 != NULL)
+		return (-1);
+	if (z1 != NULL && z2 == NULL)
+		return (1);
+
+	return (strcmp(z1->zte_zonename, z2->zte_zonename));
+}
+
+/*
+ * _dtree_compare(p1, p2) is the tsearch callback for comparing the "inner"
+ * tree (e.g., the one of doors).
+ */
+static int
+_dtree_compare(const void *p1, const void *p2)
+{
+	dtree_entry_t *d1 = (dtree_entry_t *)p1;
+	dtree_entry_t *d2 = (dtree_entry_t *)p2;
+
+	if (d1 == NULL && d2 == NULL)
+		return (0);
+	if (d1 == NULL && d2 != NULL)
+		return (-1);
+	if (d1 != NULL && d2 == NULL)
+		return (1);
+
+	return (strcmp(d1->dte_service, d2->dte_service));
+}
+
+static void
+ztree_entry_free(ztree_entry_t *entry)
+{
+	if (entry == NULL)
+		return;
+
+	if (entry->zte_zonename != NULL)
+		free(entry->zte_zonename);
+
+	free(entry);
+}
+
+static void
+dtree_entry_free(dtree_entry_t *entry)
+{
+	if (entry == NULL)
+		return;
+
+	if (entry->dte_service)
+		free(entry->dte_service);
+
+	free(entry);
+}
+
+
+/*
+ * ztree_zone_add inserts a new zone into the tree iff
+ * there is not already an entry for that zone.  This method returns one of
+ * four possible return codes, ZTREE_SUCCESS on :), ZTREE_ARGUMENT_ERROR if
+ * zone is NULL, ZTREE_ERROR if there is internal failure (e.g., OOM), and
+ * ZTREE_ALREADY_EXISTS if the zone is already in the tree.
+ */
+int
+ztree_zone_add(struct zdoor_handle *handle, const char *zonename,
+ztree_door_visitor visitor)
+{
+	ztree_entry_t *entry = NULL;
+	void *ret = NULL;
+	int status = ZTREE_SUCCESS;
+
+	if (handle == NULL || zonename == NULL)
+		return (ZTREE_ARGUMENT_ERROR);
+
+	entry = (ztree_entry_t *)calloc(1, sizeof (ztree_entry_t));
+	if (entry == NULL) {
+		OUT_OF_MEMORY();
+		return (ZTREE_ERROR);
+	}
+	entry->zte_zonename = strdup(zonename);
+	if (entry->zte_zonename == NULL) {
+		ztree_entry_free(entry);
+		OUT_OF_MEMORY();
+		return (ZTREE_ERROR);
+	}
+	entry->zte_action = ZDOOR_ACTION_NOOP;
+	entry->zte_parent = handle;
+	entry->zte_visitor = visitor;
+
+	ret = tsearch(entry, &(handle->zdh_ztree), _ztree_compare);
+	if (ret == NULL) {
+		ztree_entry_free(entry);
+		status = ZTREE_ERROR;
+		OUT_OF_MEMORY();
+	} else if ((*(ztree_entry_t **)ret) != entry) {
+		ztree_entry_free(entry);
+		status = ZTREE_ALREADY_EXISTS;
+	}
+
+	return (status);
+}
+
+
+/*
+ * ztree_zone_find returns the entry in the "outer" tree representing
+ * this zone, if it exists, NULL otherwise.
+ */
+ztree_entry_t *
+ztree_zone_find(struct zdoor_handle *handle, const char *zonename)
+{
+	ztree_entry_t key = {0};
+	void *ret = NULL;
+
+	if (handle == NULL || zonename == NULL)
+		return (NULL);
+
+	key.zte_zonename = (char *)zonename;
+	ret = tfind(&key, &(handle->zdh_ztree), _ztree_compare);
+
+	return (ret != NULL ? *(ztree_entry_t **)ret : NULL);
+}
+
+
+/*
+ * ztree_zone_remove removes an entry from the "outer" zone iff the
+ * zone exists.  The cookie set by the creator is returned.
+ */
+void
+ztree_zone_remove(struct zdoor_handle *handle, ztree_entry_t *entry)
+{
+	if (handle == NULL || entry == NULL)
+		return;
+
+	tdelete(entry, &(handle->zdh_ztree), _ztree_compare);
+	ztree_entry_free(entry);
+}
+
+
+/*
+ * ztree_door_add inserts a new door into the inner tree iff
+ * there is not already an entry for that door.  This method returns one of
+ * four possible return codes, ZTREE_SUCCESS on :), ZTREE_ARGUMENT_ERROR if
+ * zone is NULL, ZTREE_ERROR if there is internal failure (e.g., OOM), and
+ * ZTREE_ALREADY_EXISTS if the door is already in the tree.
+ */
+int
+ztree_door_add(struct zdoor_handle *handle, const char *zonename,
+const char *service, zdoor_callback callback, zdoor_cookie_t *cookie)
+{
+	dtree_entry_t *entry = NULL;
+	ztree_entry_t *znode = NULL;
+	void *ret = NULL;
+	int status = ZTREE_SUCCESS;
+
+	if (handle == NULL || zonename == NULL || service == NULL)
+		return (ZTREE_ARGUMENT_ERROR);
+
+	znode = ztree_zone_find(handle, zonename);
+	if (znode == NULL)
+		return (ZTREE_NOT_FOUND);
+
+	entry = (dtree_entry_t *)calloc(1, sizeof (dtree_entry_t));
+	if (entry == NULL) {
+		OUT_OF_MEMORY();
+		return (ZTREE_ERROR);
+	}
+	entry->dte_parent = znode;
+	entry->dte_callback = callback;
+	entry->dte_cookie = cookie;
+	entry->dte_service = strdup(service);
+	if (entry->dte_service == NULL) {
+		free(entry);
+		OUT_OF_MEMORY();
+		return (ZTREE_ERROR);
+	}
+
+	ret = tsearch(entry, &(znode->zte_door_tree), _dtree_compare);
+	if (ret == NULL) {
+		dtree_entry_free(entry);
+		OUT_OF_MEMORY();
+		status = ZTREE_ERROR;
+	} else if ((*(dtree_entry_t **)ret) != entry) {
+		dtree_entry_free(entry);
+		status = ZTREE_ALREADY_EXISTS;
+	} else {
+		znode->zte_num_doors++;
+	}
+
+	return (status);
+}
+
+
+/*
+ * ztree_door_find returns the entry in the "inner" tree
+ * representing this zone, if it exists, NULL otherwise.
+ */
+dtree_entry_t *
+ztree_door_find(struct zdoor_handle *handle, const char *zonename,
+const char *service)
+{
+	dtree_entry_t key = {0};
+	ztree_entry_t *znode = NULL;
+	void *ret = NULL;
+
+	if (handle == NULL || zonename == NULL || service == NULL)
+		return (NULL);
+
+	znode = ztree_zone_find(handle, zonename);
+	if (znode == NULL)
+		return (NULL);
+
+	key.dte_service = (char *)service;
+	ret = tfind(&key, &(znode->zte_door_tree), _dtree_compare);
+
+	return (ret != NULL ? *(dtree_entry_t **)ret : NULL);
+}
+
+
+/*
+ * ztree_door_remove(zone, door) removes a node from the inner tree iff
+ * both the door and zone exist.  Note this frees the node as well. The
+ * cookie set by the creator is returned.
+ */
+zdoor_cookie_t *
+ztree_door_remove(struct zdoor_handle *handle, dtree_entry_t *entry)
+{
+	zdoor_cookie_t *cookie = NULL;
+	ztree_entry_t *znode = NULL;
+
+	if (handle == NULL || entry == NULL)
+		return (NULL);
+
+	znode = entry->dte_parent;
+	cookie = entry->dte_cookie;
+
+	tdelete(entry, &(znode->zte_door_tree), _dtree_compare);
+	dtree_entry_free(entry);
+
+	znode->zte_num_doors--;
+	if (znode->zte_num_doors == 0) {
+		zdoor_debug("ztree: zone %s has no doors left, removing",
+		    znode->zte_zonename);
+		ztree_zone_remove(handle, znode);
+	}
+
+	return (cookie);
+}
+
+
+/*
+ * _ztree_door_visitor(nodep, which, depth) is the private function we use
+ * to wrap up tsearch's goofy API.  We're really just using this to ensure
+ * zdoor doesn't get called > 1 times for a given entity in the ztree.
+ */
+static void
+_ztree_door_visitor(const void *nodep, const VISIT which, const int depth)
+{
+	dtree_entry_t *entry = *(dtree_entry_t **)nodep;
+
+	if (entry == NULL)
+		return;
+
+	switch (which) {
+	case preorder:
+	case endorder:
+		break;
+	case postorder:
+	case leaf:
+		if (entry->dte_parent->zte_visitor != NULL)
+			entry->dte_parent->zte_visitor(entry);
+		break;
+	}
+}
+
+
+/*
+ * ztree_walk_doors(zone) will proceed to visit every node in the "inner" tree
+ * for this zone, and callback the visitor that was registered on tree creation.
+ */
+void
+ztree_walk_doors(struct zdoor_handle *handle, const char *zonename)
+{
+	ztree_entry_t *znode = NULL;
+
+	if (handle == NULL || zonename == NULL)
+		return;
+
+	znode = ztree_zone_find(handle, zonename);
+	if (znode == NULL)
+		return;
+
+	twalk(znode->zte_door_tree, _ztree_door_visitor);
+}
diff --git a/usr/src/lib/libzdoor/common/ztree.h b/usr/src/lib/libzdoor/common/ztree.h
new file mode 100644
index 0000000000..b46dace287
--- /dev/null
+++ b/usr/src/lib/libzdoor/common/ztree.h
@@ -0,0 +1,88 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _ZTREE_H
+#define	_ZTREE_H
+
+#include <zdoor.h>
+#include <zone.h>
+#include "zdoor-int.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct dtree_entry;
+
+typedef void (*ztree_door_visitor)(struct dtree_entry *entry);
+
+typedef struct ztree_entry {
+	char *zte_zonename;
+	zdoor_action_t zte_action;
+	int zte_num_doors;
+	void *zte_door_tree;
+	ztree_door_visitor zte_visitor;
+	struct zdoor_handle *zte_parent;
+} ztree_entry_t;
+
+typedef struct dtree_entry {
+	char *dte_service;
+	int dte_door;
+	zdoor_callback dte_callback;
+	zdoor_cookie_t *dte_cookie;
+	ztree_entry_t *dte_parent;
+} dtree_entry_t;
+
+#define	ZTREE_SUCCESS		0
+#define	ZTREE_ERROR		-1
+#define	ZTREE_ARGUMENT_ERROR	-2
+#define	ZTREE_ALREADY_EXISTS	-3
+#define	ZTREE_NOT_FOUND		-4
+
+extern int ztree_zone_add(struct zdoor_handle *handle,
+	const char *zonename, ztree_door_visitor visitor);
+
+extern ztree_entry_t *ztree_zone_find(struct zdoor_handle *handle,
+	const char *zonename);
+
+extern void ztree_zone_remove(struct zdoor_handle *handle,
+	ztree_entry_t *entry);
+
+extern int ztree_door_add(struct zdoor_handle *handle, const char *zonename,
+	const char *service, zdoor_callback callback, zdoor_cookie_t *cookie);
+
+extern dtree_entry_t *ztree_door_find(struct zdoor_handle *handle,
+	const char *zonename, const char *service);
+
+extern zdoor_cookie_t *ztree_door_remove(struct zdoor_handle *handle,
+	dtree_entry_t *entry);
+
+extern void ztree_walk_doors(struct zdoor_handle *handle, const char *zonename);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ZTREE_H */
diff --git a/usr/src/lib/libzdoor/i386/Makefile b/usr/src/lib/libzdoor/i386/Makefile
new file mode 100644
index 0000000000..2bfe8001d9
--- /dev/null
+++ b/usr/src/lib/libzdoor/i386/Makefile
@@ -0,0 +1,31 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2011 Joyent, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/libzfs/common/libzfs.h b/usr/src/lib/libzfs/common/libzfs.h
index eb550f606f..ddb85646f7 100644
--- a/usr/src/lib/libzfs/common/libzfs.h
+++ b/usr/src/lib/libzfs/common/libzfs.h
@@ -64,6 +64,7 @@ typedef enum zfs_error {
 	EZFS_PROPTYPE,		/* property does not apply to dataset type */
 	EZFS_PROPNONINHERIT,	/* property is not inheritable */
 	EZFS_PROPSPACE,		/* bad quota or reservation */
+	EZFS_PROPCACHED,	/* prop unavail since cachedprops flag set */
 	EZFS_BADTYPE,		/* dataset is not of appropriate type */
 	EZFS_BUSY,		/* pool or dataset is busy */
 	EZFS_EXISTS,		/* pool or dataset already exists */
@@ -184,6 +185,7 @@ extern libzfs_handle_t *zpool_get_handle(zpool_handle_t *);
 extern libzfs_handle_t *zfs_get_handle(zfs_handle_t *);
 
 extern void libzfs_print_on_error(libzfs_handle_t *, boolean_t);
+extern void libzfs_set_cachedprops(libzfs_handle_t *, boolean_t);
 
 extern void zfs_save_arguments(int argc, char **, char *, int);
 extern int zpool_log_history(libzfs_handle_t *, const char *);
diff --git a/usr/src/lib/libzfs/common/libzfs_dataset.c b/usr/src/lib/libzfs/common/libzfs_dataset.c
index e491a65c93..f240b6494f 100644
--- a/usr/src/lib/libzfs/common/libzfs_dataset.c
+++ b/usr/src/lib/libzfs/common/libzfs_dataset.c
@@ -329,6 +329,10 @@ get_stats_ioctl(zfs_handle_t *zhp, zfs_cmd_t *zc)
 {
 	libzfs_handle_t *hdl = zhp->zfs_hdl;
 
+	if (hdl->libzfs_cachedprops &&
+	    libzfs_cmd_set_cachedprops(hdl, zc) != 0)
+		return (-1);
+
 	(void) strlcpy(zc->zc_name, zhp->zfs_name, sizeof (zc->zc_name));
 
 	while (ioctl(hdl->libzfs_fd, ZFS_IOC_OBJSET_STATS, zc) != 0) {
@@ -1988,6 +1992,11 @@ get_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zprop_source_t *src,
 	case ZFS_PROP_NORMALIZE:
 	case ZFS_PROP_UTF8ONLY:
 	case ZFS_PROP_CASE:
+		if (zhp->zfs_hdl->libzfs_cachedprops) {
+			return (zfs_error(zhp->zfs_hdl, EZFS_PROPCACHED,
+			    "property unavailable since not cached"));
+		}
+
 		if (!zfs_prop_valid_for_type(prop, zhp->zfs_head_type) ||
 		    zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0)
 			return (-1);
@@ -2228,6 +2237,7 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen,
 	char *str;
 	const char *strval;
 	boolean_t received = zfs_is_recvd_props_mode(zhp);
+	boolean_t printerr;
 
 	/*
 	 * Check to see if this property applies to our object
@@ -2238,6 +2248,16 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen,
 	if (received && zfs_prop_readonly(prop))
 		return (-1);
 
+	if (zhp->zfs_hdl->libzfs_cachedprops &&
+	    zfs_prop_cacheable(prop)) {
+		printerr = zhp->zfs_hdl->libzfs_printerr;
+		libzfs_print_on_error(zhp->zfs_hdl, B_FALSE);
+		(void) zfs_error(zhp->zfs_hdl, EZFS_PROPCACHED,
+		    "property unavailable since not cached");
+		libzfs_print_on_error(zhp->zfs_hdl, printerr);
+		return (-1);
+	}
+
 	if (src)
 		*src = ZPROP_SRC_NONE;
 
diff --git a/usr/src/lib/libzfs/common/libzfs_impl.h b/usr/src/lib/libzfs/common/libzfs_impl.h
index ad4142da3f..9d98718dcb 100644
--- a/usr/src/lib/libzfs/common/libzfs_impl.h
+++ b/usr/src/lib/libzfs/common/libzfs_impl.h
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  * Copyright (c) 2013 by Delphix. All rights reserved.
  */
 
@@ -79,6 +80,7 @@ struct libzfs_handle {
 	libzfs_fru_t **libzfs_fru_hash;
 	libzfs_fru_t *libzfs_fru_list;
 	char libzfs_chassis_id[256];
+	boolean_t libzfs_cachedprops;
 };
 
 #define	ZFSSHARE_MISS	0x01	/* Didn't find entry in cache */
@@ -149,6 +151,7 @@ int zpool_standard_error_fmt(libzfs_handle_t *, int, const char *, ...);
 int get_dependents(libzfs_handle_t *, boolean_t, const char *, char ***,
     size_t *);
 zfs_handle_t *make_dataset_handle_zc(libzfs_handle_t *, zfs_cmd_t *);
+int libzfs_cmd_set_cachedprops(libzfs_handle_t *, zfs_cmd_t *);
 
 
 int zprop_parse_value(libzfs_handle_t *, nvpair_t *, int, zfs_type_t,
diff --git a/usr/src/lib/libzfs/common/libzfs_iter.c b/usr/src/lib/libzfs/common/libzfs_iter.c
index 5fdfe1d591..01c059fe61 100644
--- a/usr/src/lib/libzfs/common/libzfs_iter.c
+++ b/usr/src/lib/libzfs/common/libzfs_iter.c
@@ -23,6 +23,7 @@
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2013 by Delphix. All rights reserved.
  * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
 
 #include <stdio.h>
@@ -110,6 +111,10 @@ zfs_iter_filesystems(zfs_handle_t *zhp, zfs_iter_f func, void *data)
 	if (zhp->zfs_type != ZFS_TYPE_FILESYSTEM)
 		return (0);
 
+	if (zhp->zfs_hdl->libzfs_cachedprops &&
+	    libzfs_cmd_set_cachedprops(zhp->zfs_hdl, &zc) != 0)
+		return (-1);
+
 	if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0)
 		return (-1);
 
@@ -120,9 +125,8 @@ zfs_iter_filesystems(zfs_handle_t *zhp, zfs_iter_f func, void *data)
 		 * that the pool has since been removed.
 		 */
 		if ((nzhp = make_dataset_handle_zc(zhp->zfs_hdl,
-		    &zc)) == NULL) {
+		    &zc)) == NULL)
 			continue;
-		}
 
 		if ((ret = func(nzhp, data)) != 0) {
 			zcmd_free_nvlists(&zc);
@@ -147,15 +151,19 @@ zfs_iter_snapshots(zfs_handle_t *zhp, zfs_iter_f func, void *data)
 	    zhp->zfs_type == ZFS_TYPE_BOOKMARK)
 		return (0);
 
+	if (zhp->zfs_hdl->libzfs_cachedprops &&
+	    libzfs_cmd_set_cachedprops(zhp->zfs_hdl, &zc) != 0)
+		return (-1);
+
 	if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0)
 		return (-1);
+
 	while ((ret = zfs_do_list_ioctl(zhp, ZFS_IOC_SNAPSHOT_LIST_NEXT,
 	    &zc)) == 0) {
 
 		if ((nzhp = make_dataset_handle_zc(zhp->zfs_hdl,
-		    &zc)) == NULL) {
+		    &zc)) == NULL)
 			continue;
-		}
 
 		if ((ret = func(nzhp, data)) != 0) {
 			zcmd_free_nvlists(&zc);
diff --git a/usr/src/lib/libzfs/common/libzfs_pool.c b/usr/src/lib/libzfs/common/libzfs_pool.c
index 0418091025..0c37c36257 100644
--- a/usr/src/lib/libzfs/common/libzfs_pool.c
+++ b/usr/src/lib/libzfs/common/libzfs_pool.c
@@ -270,6 +270,12 @@ zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len,
 	case PROP_TYPE_NUMBER:
 		intval = zpool_get_prop_int(zhp, prop, &src);
 
+		if (literal && prop != ZPOOL_PROP_HEALTH) {
+			(void) snprintf(buf, len, "%llu",
+			    (u_longlong_t)intval);
+			break;
+		}
+
 		switch (prop) {
 		case ZPOOL_PROP_SIZE:
 		case ZPOOL_PROP_ALLOCATED:
@@ -334,6 +340,7 @@ zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len,
 		default:
 			(void) snprintf(buf, len, "%llu", intval);
 		}
+
 		break;
 
 	case PROP_TYPE_INDEX:
diff --git a/usr/src/lib/libzfs/common/libzfs_util.c b/usr/src/lib/libzfs/common/libzfs_util.c
index 507a72ce02..59b978cf16 100644
--- a/usr/src/lib/libzfs/common/libzfs_util.c
+++ b/usr/src/lib/libzfs/common/libzfs_util.c
@@ -83,6 +83,9 @@ libzfs_error_description(libzfs_handle_t *hdl)
 		return (dgettext(TEXT_DOMAIN, "property cannot be inherited"));
 	case EZFS_PROPSPACE:
 		return (dgettext(TEXT_DOMAIN, "invalid quota or reservation"));
+	case EZFS_PROPCACHED:
+		return (dgettext(TEXT_DOMAIN, "property unavailable since "
+		    "cachedprops flag set"));
 	case EZFS_BADTYPE:
 		return (dgettext(TEXT_DOMAIN, "operation not applicable to "
 		    "datasets of this type"));
@@ -611,6 +614,42 @@ libzfs_print_on_error(libzfs_handle_t *hdl, boolean_t printerr)
 	hdl->libzfs_printerr = printerr;
 }
 
+/*
+ * Set the value of the cachedprops flag.  If the cachedprops flag is set,
+ * operations which get ZFS properties will only retrieve a property if the
+ * property is cached somewhere in memory.
+ *
+ * Consumers of libzfs should take care when setting this flag, as they will
+ * prevent themselves from listing the full set of ZFS properties.
+ *
+ * ZFS properties which always require disk I/O are ZPL properties (utf8only,
+ * normalization, etc.) and the volsize and volblocksize properties for volumes.
+ */
+void
+libzfs_set_cachedprops(libzfs_handle_t *hdl, boolean_t cachedprops)
+{
+	hdl->libzfs_cachedprops = cachedprops;
+}
+
+/*
+ * Adds a src nvlist to a zfs_cmd_t which specifies that only cached (i.e., will
+ * not require a disk access) properties should be retrieved.
+ */
+int
+libzfs_cmd_set_cachedprops(libzfs_handle_t *hdl, zfs_cmd_t *zc)
+{
+	nvlist_t *nvl;
+	int ret;
+
+	if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0 ||
+	    nvlist_add_boolean_value(nvl, "cachedpropsonly", B_TRUE) != 0)
+		return (no_memory(hdl));
+
+	ret = zcmd_write_src_nvlist(hdl, zc, nvl);
+	nvlist_free(nvl);
+	return (ret);
+}
+
 libzfs_handle_t *
 libzfs_init(void)
 {
@@ -646,6 +685,8 @@ libzfs_init(void)
 	zpool_feature_init();
 	libzfs_mnttab_init(hdl);
 
+	hdl->libzfs_cachedprops = B_FALSE;
+
 	return (hdl);
 }
 
diff --git a/usr/src/lib/libzfs/common/mapfile-vers b/usr/src/lib/libzfs/common/mapfile-vers
index c46260717e..9ed5c461c0 100644
--- a/usr/src/lib/libzfs/common/mapfile-vers
+++ b/usr/src/lib/libzfs/common/mapfile-vers
@@ -21,6 +21,7 @@
 # Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
 # Copyright 2011 Nexenta Systems, Inc. All rights reserved.
 # Copyright (c) 2011, 2014 by Delphix. All rights reserved.
+# Copyright (c) 2012, Joyent, Inc. All rights reserved.
 #
 # MAPFILE HEADER START
 #
@@ -59,6 +60,7 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	libzfs_init;
 	libzfs_mnttab_cache;
 	libzfs_print_on_error;
+	libzfs_set_cachedprops;
 	spa_feature_table;
 	zfs_allocatable_devs;
 	zfs_asprintf;
@@ -104,6 +106,7 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	zfs_path_to_zhandle;
 	zfs_promote;
 	zfs_prop_align_right;
+	zfs_prop_cacheable;
 	zfs_prop_column_name;
 	zfs_prop_default_numeric;
 	zfs_prop_default_string;
diff --git a/usr/src/lib/libzonecfg/common/getzoneent.c b/usr/src/lib/libzonecfg/common/getzoneent.c
index 8155f7272a..76664fcc92 100644
--- a/usr/src/lib/libzonecfg/common/getzoneent.c
+++ b/usr/src/lib/libzonecfg/common/getzoneent.c
@@ -403,14 +403,6 @@ putzoneent(struct zoneent *ze, zoneent_op_t operation)
 			 */
 			if (ze->zone_state >= 0) {
 				zone_state = zone_state_str(ze->zone_state);
-
-				/*
-				 * If the caller is uninstalling this zone,
-				 * then wipe out the uuid.  The zone's contents
-				 * are no longer known.
-				 */
-				if (ze->zone_state < ZONE_STATE_INSTALLED)
-					zone_uuid = "";
 			}
 
 			/* If a new name is supplied, use it. */
@@ -419,6 +411,12 @@ putzoneent(struct zoneent *ze, zoneent_op_t operation)
 
 			if (ze->zone_path[0] != '\0')
 				zone_path = ze->zone_path;
+
+			/* If new UUID provided, replace it */
+			if (!uuid_is_null(ze->zone_uuid)) {
+				uuid_unparse(ze->zone_uuid, uuidstr);
+				zone_uuid = uuidstr;
+			}
 			break;
 
 		case PZE_REMOVE:
diff --git a/usr/src/lib/libzonecfg/common/libzonecfg.c b/usr/src/lib/libzonecfg/common/libzonecfg.c
index 6ae73b9f3b..3162390931 100644
--- a/usr/src/lib/libzonecfg/common/libzonecfg.c
+++ b/usr/src/lib/libzonecfg/common/libzonecfg.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2014 Gary Mills
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent Inc. All rights reserved.
  */
 
 #include <libsysevent.h>
@@ -78,6 +79,8 @@
 #define	ZONE_EVENT_PING_SUBCLASS	"ping"
 #define	ZONE_EVENT_PING_PUBLISHER	"solaris"
 
+#define	DEBUGID_FILE	"/etc/zones/did.txt"
+
 /* Hard-code the DTD element/attribute/entity names just once, here. */
 #define	DTD_ELEM_ATTR		(const xmlChar *) "attr"
 #define	DTD_ELEM_COMMENT	(const xmlChar *) "comment"
@@ -85,6 +88,7 @@
 #define	DTD_ELEM_FS		(const xmlChar *) "filesystem"
 #define	DTD_ELEM_FSOPTION	(const xmlChar *) "fsoption"
 #define	DTD_ELEM_NET		(const xmlChar *) "network"
+#define	DTD_ELEM_NETATTR	(const xmlChar *) "net-attr"
 #define	DTD_ELEM_RCTL		(const xmlChar *) "rctl"
 #define	DTD_ELEM_RCTLVALUE	(const xmlChar *) "rctl-value"
 #define	DTD_ELEM_ZONE		(const xmlChar *) "zone"
@@ -104,10 +108,12 @@
 #define	DTD_ATTR_IPTYPE		(const xmlChar *) "ip-type"
 #define	DTD_ATTR_DEFROUTER	(const xmlChar *) "defrouter"
 #define	DTD_ATTR_DIR		(const xmlChar *) "directory"
+#define	DTD_ATTR_GNIC		(const xmlChar *) "global-nic"
 #define	DTD_ATTR_LIMIT		(const xmlChar *) "limit"
 #define	DTD_ATTR_LIMITPRIV	(const xmlChar *) "limitpriv"
 #define	DTD_ATTR_BOOTARGS	(const xmlChar *) "bootargs"
 #define	DTD_ATTR_SCHED		(const xmlChar *) "scheduling-class"
+#define	DTD_ATTR_MAC		(const xmlChar *) "mac-addr"
 #define	DTD_ATTR_MATCH		(const xmlChar *) "match"
 #define	DTD_ATTR_NAME		(const xmlChar *) "name"
 #define	DTD_ATTR_PHYSICAL	(const xmlChar *) "physical"
@@ -117,6 +123,7 @@
 #define	DTD_ATTR_SPECIAL	(const xmlChar *) "special"
 #define	DTD_ATTR_TYPE		(const xmlChar *) "type"
 #define	DTD_ATTR_VALUE		(const xmlChar *) "value"
+#define	DTD_ATTR_VLANID		(const xmlChar *) "vlan-id"
 #define	DTD_ATTR_ZONEPATH	(const xmlChar *) "zonepath"
 #define	DTD_ATTR_NCPU_MIN	(const xmlChar *) "ncpu_min"
 #define	DTD_ATTR_NCPU_MAX	(const xmlChar *) "ncpu_max"
@@ -129,6 +136,7 @@
 #define	DTD_ATTR_MODE		(const xmlChar *) "mode"
 #define	DTD_ATTR_ACL		(const xmlChar *) "acl"
 #define	DTD_ATTR_BRAND		(const xmlChar *) "brand"
+#define	DTD_ATTR_DID		(const xmlChar *) "debugid"
 #define	DTD_ATTR_HOSTID		(const xmlChar *) "hostid"
 #define	DTD_ATTR_USER		(const xmlChar *) "user"
 #define	DTD_ATTR_AUTHS		(const xmlChar *) "auths"
@@ -175,9 +183,12 @@ static struct alias {
 	{ALIAS_MAXSEMIDS, "zone.max-sem-ids", "privileged", "deny", 0},
 	{ALIAS_MAXLOCKEDMEM, "zone.max-locked-memory", "privileged", "deny", 0},
 	{ALIAS_MAXSWAP, "zone.max-swap", "privileged", "deny", 0},
+	{ALIAS_MAXPHYSMEM, "zone.max-physical-memory", "privileged", "deny",
+	    1048576},
 	{ALIAS_SHARES, "zone.cpu-shares", "privileged", "none", 0},
 	{ALIAS_CPUCAP, "zone.cpu-cap", "privileged", "deny", 0},
 	{ALIAS_MAXPROCS, "zone.max-processes", "privileged", "deny", 100},
+	{ALIAS_ZFSPRI, "zone.zfs-io-priority", "privileged", "none", 0},
 	{NULL, NULL, NULL, NULL, 0}
 };
 
@@ -1271,7 +1282,6 @@ zonecfg_save_impl(zone_dochandle_t handle, char *filename)
 			/*
 			 * Try to restore from our backup.
 			 */
-			(void) unlink(filename);
 			(void) rename(bakfile, filename);
 		} else {
 			/*
@@ -2065,6 +2075,32 @@ zonecfg_ifname_exists(sa_family_t af, char *ifname)
 }
 
 /*
+ * Turn an addr that looks like f:2:0:44:5:6C into 0f:02:00:44:05:6c
+ * We're expecting a dst of at least MAXMACADDRLEN size here.
+ */
+static void
+normalize_mac_addr(char *dst, const char *src, int len)
+{
+	char *p, *e, *sep = "";
+	long n;
+	char buf[MAXMACADDRLEN], tmp[4];
+
+	*dst = '\0';
+	(void) strlcpy(buf, src, sizeof (buf));
+	p = strtok(buf, ":");
+	while (p != NULL) {
+		n = strtol(p, &e, 16);
+		if (*e != NULL || n > 0xff)
+			return;
+		(void) snprintf(tmp, sizeof (tmp), "%s%02x", sep, n);
+		(void) strlcat(dst, tmp, len);
+
+		sep = ":";
+		p = strtok(NULL, ":");
+	}
+}
+
+/*
  * Determines whether there is a net resource with the physical interface, IP
  * address, and default router specified by 'tabptr' in the zone configuration
  * to which 'handle' refers.  'tabptr' must have an interface, an address, a
@@ -2083,13 +2119,18 @@ zonecfg_ifname_exists(sa_family_t af, char *ifname)
 int
 zonecfg_lookup_nwif(zone_dochandle_t handle, struct zone_nwiftab *tabptr)
 {
-	xmlNodePtr cur;
+	xmlNodePtr cur, val;
 	xmlNodePtr firstmatch;
 	int err;
 	char address[INET6_ADDRSTRLEN];
 	char physical[LIFNAMSIZ];
+	char mac[MAXMACADDRLEN];
+	char norm_mac[MAXMACADDRLEN];
+	char gnic[LIFNAMSIZ];
 	size_t addrspec;		/* nonzero if tabptr has IP addr */
 	size_t physspec;		/* nonzero if tabptr has interface */
+	size_t macspec;			/* nonzero if tabptr has mac addr */
+	size_t gnicspec;		/* nonzero if tabptr has gnic */
 	size_t defrouterspec;		/* nonzero if tabptr has def. router */
 	size_t allowed_addrspec;
 	zone_iptype_t iptype;
@@ -2101,17 +2142,20 @@ zonecfg_lookup_nwif(zone_dochandle_t handle, struct zone_nwiftab *tabptr)
 	 * Determine the fields that will be searched.  There must be at least
 	 * one.
 	 *
-	 * zone_nwif_address, zone_nwif_physical, and zone_nwif_defrouter are
+	 * zone_nwif_address, zone_nwif_physical, zone_nwif_defrouter,
+	 * zone_nwif_mac, zone_nwif_vlan_id and zone_nwif_gnic  are
 	 * arrays, so no NULL checks are necessary.
 	 */
 	addrspec = strlen(tabptr->zone_nwif_address);
 	physspec = strlen(tabptr->zone_nwif_physical);
+	macspec = strlen(tabptr->zone_nwif_mac);
+	gnicspec = strlen(tabptr->zone_nwif_gnic);
 	defrouterspec = strlen(tabptr->zone_nwif_defrouter);
 	allowed_addrspec = strlen(tabptr->zone_nwif_allowed_address);
 	if (addrspec != 0 && allowed_addrspec != 0)
 		return (Z_INVAL); /* can't specify both */
 	if (addrspec == 0 && physspec == 0 && defrouterspec == 0 &&
-	    allowed_addrspec == 0)
+	    allowed_addrspec == 0 && macspec == 0 && gnicspec == 0)
 		return (Z_INSUFFICIENT_SPEC);
 
 	if ((err = operation_prep(handle)) != Z_OK)
@@ -2138,6 +2182,19 @@ zonecfg_lookup_nwif(zone_dochandle_t handle, struct zone_nwiftab *tabptr)
 		    physical, sizeof (physical)) != Z_OK ||
 		    strcmp(tabptr->zone_nwif_physical, physical) != 0))
 			continue;
+		if (iptype == ZS_EXCLUSIVE && macspec != 0) {
+			if (fetchprop(cur, DTD_ATTR_MAC, mac, sizeof (mac)) !=
+			    Z_OK)
+				continue;
+			normalize_mac_addr(norm_mac, mac, sizeof (norm_mac));
+			if (strcmp(tabptr->zone_nwif_mac, norm_mac) != 0)
+				continue;
+		}
+		if (iptype == ZS_EXCLUSIVE && gnicspec != 0 &&
+		    (fetchprop(cur, DTD_ATTR_GNIC, gnic,
+		    sizeof (gnic)) != Z_OK ||
+		    strcmp(tabptr->zone_nwif_gnic, gnic) != 0))
+			continue;
 		if (iptype == ZS_SHARED && addrspec != 0 &&
 		    (fetchprop(cur, DTD_ATTR_ADDRESS, address,
 		    sizeof (address)) != Z_OK ||
@@ -2180,6 +2237,21 @@ zonecfg_lookup_nwif(zone_dochandle_t handle, struct zone_nwiftab *tabptr)
 		return (err);
 
 	if (iptype == ZS_EXCLUSIVE &&
+	    (err = fetchprop(cur, DTD_ATTR_MAC, tabptr->zone_nwif_mac,
+	    sizeof (tabptr->zone_nwif_mac))) != Z_OK)
+		return (err);
+
+	if (iptype == ZS_EXCLUSIVE &&
+	    (err = fetchprop(cur, DTD_ATTR_VLANID, tabptr->zone_nwif_vlan_id,
+	    sizeof (tabptr->zone_nwif_vlan_id))) != Z_OK)
+		return (err);
+
+	if (iptype == ZS_EXCLUSIVE &&
+	    (err = fetchprop(cur, DTD_ATTR_GNIC, tabptr->zone_nwif_gnic,
+	    sizeof (tabptr->zone_nwif_gnic))) != Z_OK)
+		return (err);
+
+	if (iptype == ZS_EXCLUSIVE &&
 	    (err = fetchprop(cur, DTD_ATTR_ALLOWED_ADDRESS,
 	    tabptr->zone_nwif_allowed_address,
 	    sizeof (tabptr->zone_nwif_allowed_address))) != Z_OK)
@@ -2190,13 +2262,40 @@ zonecfg_lookup_nwif(zone_dochandle_t handle, struct zone_nwiftab *tabptr)
 	    sizeof (tabptr->zone_nwif_defrouter))) != Z_OK)
 		return (err);
 
+	tabptr->zone_nwif_attrp = NULL;
+	for (val = cur->xmlChildrenNode; val != NULL; val = val->next) {
+		struct zone_res_attrtab *valptr;
+
+		valptr = (struct zone_res_attrtab *)malloc(
+		    sizeof (struct zone_res_attrtab));
+		if (valptr == NULL)
+			return (Z_NOMEM);
+
+		valptr->zone_res_attr_name[0] =
+		    valptr->zone_res_attr_value[0] = '\0';
+		if (zonecfg_add_res_attr(&(tabptr->zone_nwif_attrp), valptr)
+		    != Z_OK) {
+			free(valptr);
+			break;
+		}
+
+		if ((fetchprop(val, DTD_ATTR_NAME, valptr->zone_res_attr_name,
+		    sizeof (valptr->zone_res_attr_name)) != Z_OK))
+			break;
+		if ((fetchprop(val, DTD_ATTR_VALUE,
+		    valptr->zone_res_attr_value,
+		    sizeof (valptr->zone_res_attr_value)) != Z_OK))
+			break;
+	}
+
 	return (Z_OK);
 }
 
 static int
 zonecfg_add_nwif_core(zone_dochandle_t handle, struct zone_nwiftab *tabptr)
 {
-	xmlNodePtr newnode, cur = handle->zone_dh_cur;
+	xmlNodePtr newnode, cur = handle->zone_dh_cur, valnode;
+	struct zone_res_attrtab *valptr;
 	int err;
 
 	newnode = xmlNewTextChild(cur, NULL, DTD_ELEM_NET, NULL);
@@ -2212,13 +2311,40 @@ zonecfg_add_nwif_core(zone_dochandle_t handle, struct zone_nwiftab *tabptr)
 	    tabptr->zone_nwif_physical)) != Z_OK)
 		return (err);
 	/*
-	 * Do not add this property when it is not set, for backwards
-	 * compatibility and because it is optional.
+	 * Do not add these properties when they are not set, for backwards
+	 * compatibility and because they are optional.
 	 */
 	if ((strlen(tabptr->zone_nwif_defrouter) > 0) &&
 	    ((err = newprop(newnode, DTD_ATTR_DEFROUTER,
 	    tabptr->zone_nwif_defrouter)) != Z_OK))
 		return (err);
+	if (strlen(tabptr->zone_nwif_mac) > 0 &&
+	    (err = newprop(newnode, DTD_ATTR_MAC,
+	    tabptr->zone_nwif_mac)) != Z_OK)
+		return (err);
+	if (strlen(tabptr->zone_nwif_vlan_id) > 0 &&
+	    (err = newprop(newnode, DTD_ATTR_VLANID,
+	    tabptr->zone_nwif_vlan_id)) != Z_OK)
+		return (err);
+	if (strlen(tabptr->zone_nwif_gnic) > 0 &&
+	    (err = newprop(newnode, DTD_ATTR_GNIC,
+	    tabptr->zone_nwif_gnic)) != Z_OK)
+		return (err);
+
+	for (valptr = tabptr->zone_nwif_attrp; valptr != NULL;
+	    valptr = valptr->zone_res_attr_next) {
+		valnode = xmlNewTextChild(newnode, NULL, DTD_ELEM_NETATTR,
+		    NULL);
+		err = newprop(valnode, DTD_ATTR_NAME,
+		    valptr->zone_res_attr_name);
+		if (err != Z_OK)
+			return (err);
+		err = newprop(valnode, DTD_ATTR_VALUE,
+		    valptr->zone_res_attr_value);
+		if (err != Z_OK)
+			return (err);
+	}
+
 	return (Z_OK);
 }
 
@@ -2243,7 +2369,8 @@ static int
 zonecfg_delete_nwif_core(zone_dochandle_t handle, struct zone_nwiftab *tabptr)
 {
 	xmlNodePtr cur = handle->zone_dh_cur;
-	boolean_t addr_match, phys_match, allowed_addr_match;
+	boolean_t addr_match, phys_match, allowed_addr_match, mac_match,
+	    gnic_match;
 
 	for (cur = cur->xmlChildrenNode; cur != NULL; cur = cur->next) {
 		if (xmlStrcmp(cur->name, DTD_ELEM_NET))
@@ -2255,8 +2382,13 @@ zonecfg_delete_nwif_core(zone_dochandle_t handle, struct zone_nwiftab *tabptr)
 		    tabptr->zone_nwif_allowed_address);
 		phys_match = match_prop(cur, DTD_ATTR_PHYSICAL,
 		    tabptr->zone_nwif_physical);
+		mac_match = match_prop(cur, DTD_ATTR_MAC,
+		    tabptr->zone_nwif_mac);
+		gnic_match = match_prop(cur, DTD_ATTR_GNIC,
+		    tabptr->zone_nwif_gnic);
 
-		if (addr_match && allowed_addr_match && phys_match) {
+		if (((addr_match && allowed_addr_match) || mac_match ||
+		    gnic_match) && phys_match) {
 			xmlUnlinkNode(cur);
 			xmlFreeNode(cur);
 			return (Z_OK);
@@ -2305,6 +2437,58 @@ zonecfg_modify_nwif(
 	return (Z_OK);
 }
 
+void
+zonecfg_free_res_attr_list(struct zone_res_attrtab *valtab)
+{
+	if (valtab == NULL)
+		return;
+	zonecfg_free_res_attr_list(valtab->zone_res_attr_next);
+	free(valtab);
+}
+
+int
+zonecfg_add_res_attr(struct zone_res_attrtab **headptr,
+    struct zone_res_attrtab *valtabptr)
+{
+	struct zone_res_attrtab *last, *old, *new;
+
+	last = *headptr;
+	for (old = last; old != NULL; old = old->zone_res_attr_next)
+		last = old;	/* walk to the end of the list */
+	new = valtabptr;	/* alloc'd by caller */
+	new->zone_res_attr_next = NULL;
+	if (last == NULL)
+		*headptr = new;
+	else
+		last->zone_res_attr_next = new;
+	return (Z_OK);
+}
+
+int
+zonecfg_remove_res_attr(struct zone_res_attrtab **headptr,
+    struct zone_res_attrtab *valtabptr)
+{
+	struct zone_res_attrtab *last, *this, *next;
+
+	last = *headptr;
+	for (this = last; this != NULL; this = this->zone_res_attr_next) {
+		if (strcmp(this->zone_res_attr_name,
+		    valtabptr->zone_res_attr_name) == 0 &&
+		    strcmp(this->zone_res_attr_value,
+		    valtabptr->zone_res_attr_value) == 0) {
+			next = this->zone_res_attr_next;
+			if (this == *headptr)
+				*headptr = next;
+			else
+				last->zone_res_attr_next = next;
+			free(this);
+			return (Z_OK);
+		} else
+			last = this;
+	}
+	return (Z_NO_PROPERTY_ID);
+}
+
 /*
  * Must be a comma-separated list of alpha-numeric file system names.
  */
@@ -2454,7 +2638,7 @@ zonecfg_set_hostid(zone_dochandle_t handle, const char *hostidp)
 int
 zonecfg_lookup_dev(zone_dochandle_t handle, struct zone_devtab *tabptr)
 {
-	xmlNodePtr cur, firstmatch;
+	xmlNodePtr cur, val, firstmatch;
 	int err;
 	char match[MAXPATHLEN];
 
@@ -2499,13 +2683,40 @@ zonecfg_lookup_dev(zone_dochandle_t handle, struct zone_devtab *tabptr)
 	    sizeof (tabptr->zone_dev_match))) != Z_OK)
 		return (err);
 
+	tabptr->zone_dev_attrp = NULL;
+	for (val = cur->xmlChildrenNode; val != NULL; val = val->next) {
+		struct zone_res_attrtab *valptr;
+
+		valptr = (struct zone_res_attrtab *)malloc(
+		    sizeof (struct zone_res_attrtab));
+		if (valptr == NULL)
+			return (Z_NOMEM);
+
+		valptr->zone_res_attr_name[0] =
+		    valptr->zone_res_attr_value[0] = '\0';
+		if (zonecfg_add_res_attr(&(tabptr->zone_dev_attrp), valptr)
+		    != Z_OK) {
+			free(valptr);
+			break;
+		}
+
+		if ((fetchprop(val, DTD_ATTR_NAME, valptr->zone_res_attr_name,
+		    sizeof (valptr->zone_res_attr_name)) != Z_OK))
+			break;
+		if ((fetchprop(val, DTD_ATTR_VALUE,
+		    valptr->zone_res_attr_value,
+		    sizeof (valptr->zone_res_attr_value)) != Z_OK))
+			break;
+	}
+
 	return (Z_OK);
 }
 
 static int
 zonecfg_add_dev_core(zone_dochandle_t handle, struct zone_devtab *tabptr)
 {
-	xmlNodePtr newnode, cur = handle->zone_dh_cur;
+	xmlNodePtr newnode, cur = handle->zone_dh_cur, valnode;
+	struct zone_res_attrtab *valptr;
 	int err;
 
 	newnode = xmlNewTextChild(cur, NULL, DTD_ELEM_DEVICE, NULL);
@@ -2514,6 +2725,21 @@ zonecfg_add_dev_core(zone_dochandle_t handle, struct zone_devtab *tabptr)
 	    tabptr->zone_dev_match)) != Z_OK)
 		return (err);
 
+	for (valptr = tabptr->zone_dev_attrp; valptr != NULL;
+	    valptr = valptr->zone_res_attr_next) {
+		valnode = xmlNewTextChild(newnode, NULL, DTD_ELEM_NETATTR,
+		    NULL);
+		err = newprop(valnode, DTD_ATTR_NAME,
+		    valptr->zone_res_attr_name);
+		if (err != Z_OK)
+			return (err);
+		err = newprop(valnode, DTD_ATTR_VALUE,
+		    valptr->zone_res_attr_value);
+		if (err != Z_OK)
+			return (err);
+	}
+
+
 	return (Z_OK);
 }
 
@@ -4573,7 +4799,7 @@ get_pool_sched_class(char *poolname, char *class, int clsize)
 	pool_conf_t *poolconf;
 	pool_t *pool;
 	pool_elem_t *pe;
-	pool_value_t *pv = pool_value_alloc();
+	pool_value_t *pv;
 	const char *sched_str;
 
 	if (pool_get_status(&status) != PO_SUCCESS || status != POOL_ENABLED)
@@ -4594,15 +4820,23 @@ get_pool_sched_class(char *poolname, char *class, int clsize)
 		return (Z_NO_POOL);
 	}
 
+	if ((pv = pool_value_alloc()) == NULL) {
+		(void) pool_conf_close(poolconf);
+		pool_conf_free(poolconf);
+		return (Z_NO_POOL);
+	}
+
 	pe = pool_to_elem(poolconf, pool);
 	if (pool_get_property(poolconf, pe, "pool.scheduler", pv) !=
 	    POC_STRING) {
 		(void) pool_conf_close(poolconf);
+		pool_value_free(pv);
 		pool_conf_free(poolconf);
 		return (Z_NO_ENTRY);
 	}
 	(void) pool_value_get_string(pv, &sched_str);
 	(void) pool_conf_close(poolconf);
+	pool_value_free(pv);
 	pool_conf_free(poolconf);
 	if (strlcpy(class, sched_str, clsize) >= clsize)
 		return (Z_TOO_BIG);
@@ -4711,7 +4945,8 @@ zonecfg_setnwifent(zone_dochandle_t handle)
 int
 zonecfg_getnwifent(zone_dochandle_t handle, struct zone_nwiftab *tabptr)
 {
-	xmlNodePtr cur;
+	xmlNodePtr cur, val;
+	struct zone_res_attrtab *valptr;
 	int err;
 
 	if (handle == NULL)
@@ -4747,6 +4982,24 @@ zonecfg_getnwifent(zone_dochandle_t handle, struct zone_nwiftab *tabptr)
 		return (err);
 	}
 
+	if ((err = fetchprop(cur, DTD_ATTR_MAC, tabptr->zone_nwif_mac,
+	    sizeof (tabptr->zone_nwif_mac))) != Z_OK) {
+		handle->zone_dh_cur = handle->zone_dh_top;
+		return (err);
+	}
+
+	if ((err = fetchprop(cur, DTD_ATTR_VLANID, tabptr->zone_nwif_vlan_id,
+	    sizeof (tabptr->zone_nwif_vlan_id))) != Z_OK) {
+		handle->zone_dh_cur = handle->zone_dh_top;
+		return (err);
+	}
+
+	if ((err = fetchprop(cur, DTD_ATTR_GNIC, tabptr->zone_nwif_gnic,
+	    sizeof (tabptr->zone_nwif_gnic))) != Z_OK) {
+		handle->zone_dh_cur = handle->zone_dh_top;
+		return (err);
+	}
+
 	if ((err = fetchprop(cur, DTD_ATTR_DEFROUTER,
 	    tabptr->zone_nwif_defrouter,
 	    sizeof (tabptr->zone_nwif_defrouter))) != Z_OK) {
@@ -4754,6 +5007,29 @@ zonecfg_getnwifent(zone_dochandle_t handle, struct zone_nwiftab *tabptr)
 		return (err);
 	}
 
+	tabptr->zone_nwif_attrp = NULL;
+	for (val = cur->xmlChildrenNode; val != NULL; val = val->next) {
+		valptr = (struct zone_res_attrtab *)malloc(
+		    sizeof (struct zone_res_attrtab));
+		if (valptr == NULL)
+			return (Z_NOMEM);
+
+		valptr->zone_res_attr_name[0] =
+		    valptr->zone_res_attr_value[0] = '\0';
+		if (zonecfg_add_res_attr(&(tabptr->zone_nwif_attrp), valptr)
+		    != Z_OK) {
+			free(valptr);
+			break;
+		}
+
+		if (fetchprop(val, DTD_ATTR_NAME, valptr->zone_res_attr_name,
+		    sizeof (valptr->zone_res_attr_name)) != Z_OK)
+			break;
+		if (fetchprop(val, DTD_ATTR_VALUE, valptr->zone_res_attr_value,
+		    sizeof (valptr->zone_res_attr_value)) != Z_OK)
+			break;
+	}
+
 	handle->zone_dh_cur = cur->next;
 	return (Z_OK);
 }
@@ -4773,7 +5049,7 @@ zonecfg_setdevent(zone_dochandle_t handle)
 int
 zonecfg_getdevent(zone_dochandle_t handle, struct zone_devtab *tabptr)
 {
-	xmlNodePtr cur;
+	xmlNodePtr cur, val;
 	int err;
 
 	if (handle == NULL)
@@ -4796,6 +5072,31 @@ zonecfg_getdevent(zone_dochandle_t handle, struct zone_devtab *tabptr)
 		return (err);
 	}
 
+	tabptr->zone_dev_attrp = NULL;
+	for (val = cur->xmlChildrenNode; val != NULL; val = val->next) {
+		struct zone_res_attrtab *valptr;
+
+		valptr = (struct zone_res_attrtab *)malloc(
+		    sizeof (struct zone_res_attrtab));
+		if (valptr == NULL)
+			return (Z_NOMEM);
+
+		valptr->zone_res_attr_name[0] =
+		    valptr->zone_res_attr_value[0] = '\0';
+		if (zonecfg_add_res_attr(&(tabptr->zone_dev_attrp), valptr)
+		    != Z_OK) {
+			free(valptr);
+			break;
+		}
+
+		if ((fetchprop(val, DTD_ATTR_NAME, valptr->zone_res_attr_name,
+		    sizeof (valptr->zone_res_attr_name)) != Z_OK))
+			break;
+		if ((fetchprop(val, DTD_ATTR_VALUE, valptr->zone_res_attr_value,
+		    sizeof (valptr->zone_res_attr_value)) != Z_OK))
+			break;
+	}
+
 	handle->zone_dh_cur = cur->next;
 	return (Z_OK);
 }
@@ -5524,6 +5825,164 @@ zone_get_brand(char *zone_name, char *brandname, size_t rp_sz)
 }
 
 /*
+ * Atomically get a new zone_did value.  The currently allocated value
+ * is stored in /etc/zones/did.txt.  Lock the file, read the current value,
+ * increment, save the new value and unlock the file.  Return the new value
+ * or -1 if there was an error.  The ID namespace is large enough that we
+ * don't worry about recycling an ID when a zone is deleted.
+ */
+static zoneid_t
+new_zone_did()
+{
+	int fd;
+	int len;
+	int val;
+	struct flock lck;
+	char buf[80];
+
+	if ((fd = open(DEBUGID_FILE, O_RDWR | O_CREAT,
+	    S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) < 0) {
+		perror("new_zone_did open failed");
+		return (-1);
+	}
+
+	/* Initialize the lock. */
+	lck.l_whence = SEEK_SET;
+	lck.l_start = 0;
+	lck.l_len = 0;
+
+	/* Wait until we acquire an exclusive lock on the file. */
+	lck.l_type = F_WRLCK;
+	if (fcntl(fd, F_SETLKW, &lck) == -1) {
+		perror("new_zone_did lock failed");
+		(void) close(fd);
+		return (-1);
+	}
+
+	/* Get currently allocated value */
+	len = read(fd, buf, sizeof (buf));
+	if (len == -1) {
+		perror("new_zone_did read failed");
+		val = -1;
+	} else {
+		if (lseek(fd, 0L, SEEK_SET) == -1) {
+			perror("new_zone_did seek failed");
+			val = -1;
+		} else {
+			if (len == 0) {
+				/* Just created the file, initialize at 1 */
+				val = 1;
+			} else {
+				val = atoi(buf);
+				val++;
+			}
+
+			(void) snprintf(buf, sizeof (buf), "%d\n", val);
+			len = strlen(buf);
+
+			/* Save newly allocated value */
+			if (write(fd, buf, len) == -1) {
+				perror("new_zone_did write failed");
+				val = -1;
+			}
+		}
+	}
+
+	/* Release the file lock. */
+	lck.l_type = F_UNLCK;
+	if (fcntl(fd, F_SETLK, &lck) == -1) {
+		perror("new_zone_did unlock failed");
+		val = -1;
+	}
+
+	if (close(fd) != 0)
+		perror("new_zone_did close failed");
+
+	return (val);
+}
+
+/*
+ * Called by zoneadmd to get the zone's debug ID.
+ * If the zone doesn't already have an ID, a new one is generated and
+ * persistently saved onto the zone.  Normally either zoneadm or zonecfg
+ * will assign a new ID for the zone, so zoneadmd should never have to
+ * generate one, but we also handle that here just to be paranoid.
+ */
+zoneid_t
+zone_get_did(char *zone_name)
+{
+	int res;
+	zoneid_t new_did;
+	zone_dochandle_t handle;
+	char did_str[80];
+
+	if ((handle = zonecfg_init_handle()) == NULL)
+		return (getpid());
+
+	if (zonecfg_get_handle((char *)zone_name, handle) != Z_OK)
+		return (getpid());
+
+	res = getrootattr(handle, DTD_ATTR_DID, did_str, sizeof (did_str));
+
+	/* If the zone already has an assigned debug ID, return it. */
+	if (res == Z_OK && did_str[0] != '\0') {
+		zonecfg_fini_handle(handle);
+		return (atoi(did_str));
+	}
+
+	/*
+	 * The zone doesn't have an assigned debug ID yet, generate one and
+	 * save it as part of the zone definition.
+	 */
+	if ((new_did = new_zone_did()) == -1) {
+		/*
+		 * We should really never hit this block of code.
+		 * Generating a new ID failed for some reason.  Use the current
+		 * pid as a temporary ID so that the zone can continue to boot
+		 * but we don't persistently save this temporary ID on the zone.
+		 */
+		zonecfg_fini_handle(handle);
+		return (getpid());
+	}
+
+	/* Now persistently save this new ID onto the zone. */
+	(void) snprintf(did_str, sizeof (did_str), "%d", new_did);
+	(void) setrootattr(handle, DTD_ATTR_DID, did_str);
+	(void) zonecfg_save(handle);
+
+	zonecfg_fini_handle(handle);
+	return (new_did);
+}
+
+zoneid_t
+zonecfg_get_did(zone_dochandle_t handle)
+{
+	char did_str[80];
+	int err;
+	zoneid_t did;
+
+	err = getrootattr(handle, DTD_ATTR_DID, did_str, sizeof (did_str));
+	if (err == Z_OK && did_str[0] != '\0')
+		did = atoi(did_str);
+	else
+		did = -1;
+
+	return (did);
+}
+
+void
+zonecfg_set_did(zone_dochandle_t handle)
+{
+	zoneid_t new_did;
+	char did_str[80];
+
+	if ((new_did = new_zone_did()) == -1)
+		return;
+	(void) snprintf(did_str, sizeof (did_str), "%d", new_did);
+	(void) setrootattr(handle, DTD_ATTR_DID, did_str);
+}
+
+/*
  * Return the appropriate root for the active /dev.
  * For normal zone, the path is $ZONEPATH/root;
  * for scratch zone, the dev path is $ZONEPATH/lu.
@@ -5806,6 +6265,30 @@ zonecfg_get_uuid(const char *zonename, uuid_t uuid)
 }
 
 /*
+ * Changes a zone's UUID to the given value. Returns an error if the UUID is
+ * malformed or if the zone cannot be located.
+ */
+int
+zonecfg_set_uuid(const char *zonename, const char *zonepath,
+    const char *uuid)
+{
+	int err;
+	struct zoneent ze;
+
+	bzero(&ze, sizeof (ze));
+	ze.zone_state = -1;	/* Preserve existing state in index */
+	(void) strlcpy(ze.zone_name, zonename, sizeof (ze.zone_name));
+	(void) strlcpy(ze.zone_path, zonepath, sizeof (ze.zone_path));
+	if (uuid_parse((char *)uuid, ze.zone_uuid) == -1)
+		return (Z_INVALID_PROPERTY);
+
+	if ((err = putzoneent(&ze, PZE_MODIFY)) != Z_OK)
+		return (err);
+
+	return (Z_OK);
+}
+
+/*
  * File-system convenience functions.
  */
 boolean_t
@@ -6839,131 +7322,49 @@ zonecfg_getpsetent(zone_dochandle_t handle, struct zone_psettab *tabptr)
 	return (err);
 }
 
-static int
-add_mcap(zone_dochandle_t handle, struct zone_mcaptab *tabptr)
-{
-	xmlNodePtr newnode, cur = handle->zone_dh_cur;
-	int err;
-
-	newnode = xmlNewTextChild(cur, NULL, DTD_ELEM_MCAP, NULL);
-	if ((err = newprop(newnode, DTD_ATTR_PHYSCAP, tabptr->zone_physmem_cap))
-	    != Z_OK)
-		return (err);
-
-	return (Z_OK);
-}
-
-int
-zonecfg_delete_mcap(zone_dochandle_t handle)
-{
-	int err;
-	xmlNodePtr cur = handle->zone_dh_cur;
-
-	if ((err = operation_prep(handle)) != Z_OK)
-		return (err);
-
-	for (cur = cur->xmlChildrenNode; cur != NULL; cur = cur->next) {
-		if (xmlStrcmp(cur->name, DTD_ELEM_MCAP) != 0)
-			continue;
-
-		xmlUnlinkNode(cur);
-		xmlFreeNode(cur);
-		return (Z_OK);
-	}
-	return (Z_NO_RESOURCE_ID);
-}
-
-int
-zonecfg_modify_mcap(zone_dochandle_t handle, struct zone_mcaptab *tabptr)
-{
-	int err;
-
-	if (tabptr == NULL)
-		return (Z_INVAL);
-
-	err = zonecfg_delete_mcap(handle);
-	/* it is ok if there is no mcap entry */
-	if (err != Z_OK && err != Z_NO_RESOURCE_ID)
-		return (err);
-
-	if ((err = add_mcap(handle, tabptr)) != Z_OK)
-		return (err);
-
-	return (Z_OK);
-}
-
+/*
+ * Cleanup obsolete constructs in the configuration.
+ * Return true of the config has been updated and must be commited.
+ */
 int
-zonecfg_lookup_mcap(zone_dochandle_t handle, struct zone_mcaptab *tabptr)
+zonecfg_fix_obsolete(zone_dochandle_t handle)
 {
+	int res = 0;
+	int add_physmem_rctl = 0;
 	xmlNodePtr cur;
-	int err;
-
-	if (tabptr == NULL)
-		return (Z_INVAL);
+	char	zone_physmem_cap[MAXNAMELEN];
 
-	if ((err = operation_prep(handle)) != Z_OK)
-		return (err);
+	if (operation_prep(handle) != Z_OK)
+		return (res);
 
+	/*
+	 * If an obsolete mcap entry exists, convert it to the rctl.
+	 */
 	cur = handle->zone_dh_cur;
 	for (cur = cur->xmlChildrenNode; cur != NULL; cur = cur->next) {
 		if (xmlStrcmp(cur->name, DTD_ELEM_MCAP) != 0)
 			continue;
-		if ((err = fetchprop(cur, DTD_ATTR_PHYSCAP,
-		    tabptr->zone_physmem_cap,
-		    sizeof (tabptr->zone_physmem_cap))) != Z_OK) {
-			handle->zone_dh_cur = handle->zone_dh_top;
-			return (err);
+
+		if (fetchprop(cur, DTD_ATTR_PHYSCAP,
+		    zone_physmem_cap, sizeof (zone_physmem_cap)) == Z_OK) {
+			res = 1;
+			add_physmem_rctl = 1;
 		}
 
-		return (Z_OK);
+		xmlUnlinkNode(cur);
+		xmlFreeNode(cur);
+		break;
 	}
 
-	return (Z_NO_ENTRY);
-}
-
-static int
-getmcapent_core(zone_dochandle_t handle, struct zone_mcaptab *tabptr)
-{
-	xmlNodePtr cur;
-	int err;
-
-	if (handle == NULL)
-		return (Z_INVAL);
-
-	if ((cur = handle->zone_dh_cur) == NULL)
-		return (Z_NO_ENTRY);
-
-	for (; cur != NULL; cur = cur->next)
-		if (xmlStrcmp(cur->name, DTD_ELEM_MCAP) == 0)
-			break;
-	if (cur == NULL) {
-		handle->zone_dh_cur = handle->zone_dh_top;
-		return (Z_NO_ENTRY);
-	}
+	if (add_physmem_rctl) {
+		uint64_t cap;
+		char *endp;
 
-	if ((err = fetchprop(cur, DTD_ATTR_PHYSCAP, tabptr->zone_physmem_cap,
-	    sizeof (tabptr->zone_physmem_cap))) != Z_OK) {
-		handle->zone_dh_cur = handle->zone_dh_top;
-		return (err);
+		cap = strtoull(zone_physmem_cap, &endp, 10);
+		(void) zonecfg_set_aliased_rctl(handle, ALIAS_MAXPHYSMEM, cap);
 	}
 
-	handle->zone_dh_cur = cur->next;
-	return (Z_OK);
-}
-
-int
-zonecfg_getmcapent(zone_dochandle_t handle, struct zone_mcaptab *tabptr)
-{
-	int err;
-
-	if ((err = zonecfg_setent(handle)) != Z_OK)
-		return (err);
-
-	err = getmcapent_core(handle, tabptr);
-
-	(void) zonecfg_endent(handle);
-
-	return (err);
+	return (res);
 }
 
 /*
diff --git a/usr/src/lib/libzonecfg/common/mapfile-vers b/usr/src/lib/libzonecfg/common/mapfile-vers
index b908a28174..7265b06a1f 100644
--- a/usr/src/lib/libzonecfg/common/mapfile-vers
+++ b/usr/src/lib/libzonecfg/common/mapfile-vers
@@ -20,6 +20,7 @@
 #
 #
 # Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, Joyent Inc. All rights reserved.
 #
 
 #
@@ -53,6 +54,7 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	zonecfg_add_fs_option;
 	zonecfg_add_admin;
 	zonecfg_add_nwif;
+	zonecfg_add_res_attr;
 	zonecfg_add_pkg;
 	zonecfg_add_pset;
 	zonecfg_add_rctl;
@@ -79,7 +81,6 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	zonecfg_delete_dev;
 	zonecfg_delete_ds;
 	zonecfg_delete_filesystem;
-	zonecfg_delete_mcap;
 	zonecfg_delete_nwif;
 	zonecfg_delete_pset;
 	zonecfg_delete_rctl;
@@ -104,7 +105,9 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	zonecfg_find_mounts;
 	zonecfg_find_scratch;
 	zonecfg_fini_handle;
+	zonecfg_fix_obsolete;
 	zonecfg_free_fs_option_list;
+	zonecfg_free_res_attr_list;
 	zonecfg_free_rctl_value_list;
 	zonecfg_get_aliased_rctl;
 	zonecfg_get_attach_handle;
@@ -118,6 +121,7 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	zonecfg_get_bootargs;
 	zonecfg_get_brand;
 	zonecfg_get_dflt_sched_class;
+	zonecfg_get_did;
 	zonecfg_getdevent;
 	zonecfg_getdevperment;
 	zonecfg_getdsent;
@@ -127,7 +131,6 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	zonecfg_get_hostid;
 	zonecfg_get_iptype;
 	zonecfg_get_limitpriv;
-	zonecfg_getmcapent;
 	zonecfg_get_name;
 	zonecfg_get_name_by_uuid;
 	zonecfg_getnwifent;
@@ -160,7 +163,6 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	zonecfg_lookup_dev;
 	zonecfg_lookup_ds;
 	zonecfg_lookup_filesystem;
-	zonecfg_lookup_mcap;
 	zonecfg_lookup_nwif;
 	zonecfg_lookup_pset;
 	zonecfg_lookup_rctl;
@@ -169,7 +171,6 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	zonecfg_modify_dev;
 	zonecfg_modify_ds;
 	zonecfg_modify_filesystem;
-	zonecfg_modify_mcap;
 	zonecfg_modify_nwif;
 	zonecfg_modify_pset;
 	zonecfg_modify_rctl;
@@ -183,6 +184,7 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	zonecfg_ping_zoneadmd;
 	zonecfg_release_lock_file;
 	zonecfg_remove_fs_option;
+	zonecfg_remove_res_attr;
 	zonecfg_remove_rctl_value;
 	zonecfg_remove_userauths;
 	zonecfg_reverse_scratch;
@@ -196,6 +198,7 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	zonecfg_set_autoboot;
 	zonecfg_set_bootargs;
 	zonecfg_set_brand;
+	zonecfg_set_did;
 	zonecfg_setdevent;
 	zonecfg_setdevperment;
 	zonecfg_setdsent;
@@ -211,6 +214,7 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	zonecfg_set_root;
 	zonecfg_set_sched;
 	zonecfg_set_swinv;
+	zonecfg_set_uuid;
 	zonecfg_set_zonepath;
 	zonecfg_strerror;
 	zonecfg_str_to_bytes;
@@ -229,6 +233,7 @@ SYMBOL_VERSION SUNWprivate_1.1 {
 	zonecfg_verify_save;
 	zonecfg_warn_poold;
 	zone_get_brand;
+	zone_get_did;
 	zone_get_devroot;
 	zone_get_id;
 	zone_get_rootpath;
diff --git a/usr/src/lib/libzonecfg/dtd/zonecfg.dtd.1 b/usr/src/lib/libzonecfg/dtd/zonecfg.dtd.1
index d94bb09c5f..3c7198efef 100644
--- a/usr/src/lib/libzonecfg/dtd/zonecfg.dtd.1
+++ b/usr/src/lib/libzonecfg/dtd/zonecfg.dtd.1
@@ -21,6 +21,7 @@
  CDDL HEADER END
 
  Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ Copyright (c) 2011, Joyent Inc. All rights reserved.
 
 -->
 
@@ -46,14 +47,21 @@
 
 <!ATTLIST inherited-pkg-dir	directory	CDATA #REQUIRED>
 
-<!ELEMENT network	EMPTY>
+<!ELEMENT net-attr	EMPTY>
+<!ATTLIST net-attr	name		CDATA #REQUIRED
+			value		CDATA #REQUIRED>
+
+<!ELEMENT network	(net-attr)*>
 
 <!ATTLIST network	address		CDATA ""
 			allowed-address	CDATA ""
 			defrouter	CDATA ""
-			physical	CDATA #REQUIRED>
+			global-nic	CDATA ""
+			mac-addr	CDATA ""
+			physical	CDATA #REQUIRED
+			vlan-id		CDATA "">
 
-<!ELEMENT device	EMPTY>
+<!ELEMENT device	(net-attr)*>
 
 <!ATTLIST device	match		CDATA #REQUIRED>
 
@@ -156,6 +164,7 @@
 			limitpriv	CDATA ""
 			bootargs	CDATA ""
 			brand		CDATA ""
+			debugid		CDATA ""
 			scheduling-class	CDATA ""
 			fs-allowed	CDATA ""
 			version		NMTOKEN #FIXED '1'>
diff --git a/usr/src/lib/libzpool/common/sys/zfs_context.h b/usr/src/lib/libzpool/common/sys/zfs_context.h
index b1154fb71b..ad27a00026 100644
--- a/usr/src/lib/libzpool/common/sys/zfs_context.h
+++ b/usr/src/lib/libzpool/common/sys/zfs_context.h
@@ -22,7 +22,7 @@
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
- * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2013, Joyent, Inc. All rights reserved.
  */
 
 #ifndef _SYS_ZFS_CONTEXT_H
@@ -305,6 +305,7 @@ extern void kstat_runq_back_to_waitq(kstat_io_t *);
 #define	KM_SLEEP		UMEM_NOFAIL
 #define	KM_PUSHPAGE		KM_SLEEP
 #define	KM_NOSLEEP		UMEM_DEFAULT
+#define	KM_NORMALPRI		0
 #define	KMC_NODEBUG		UMC_NODEBUG
 #define	KMC_NOTOUCH		0	/* not needed for userland caches */
 #define	kmem_alloc(_s, _f)	umem_alloc(_s, _f)
diff --git a/usr/src/lib/nsswitch/dns/Makefile.com b/usr/src/lib/nsswitch/dns/Makefile.com
index 60716d843d..0366633c0c 100644
--- a/usr/src/lib/nsswitch/dns/Makefile.com
+++ b/usr/src/lib/nsswitch/dns/Makefile.com
@@ -44,5 +44,5 @@ CPPFLAGS +=	-DNSS_DNS_LIBRESOLV=\"libresolv.so.2\"
 
 LINTFLAGS +=	-erroff=E_GLOBAL_COULD_BE_STATIC2
 
-LDLIBS +=	-lnsl -lsocket
+LDLIBS +=	-lnsl -lresolv_joy -lsocket
 DYNLIB1 =	nss_dns.so$(VERS)
diff --git a/usr/src/lib/nsswitch/dns/common/dns_common.h b/usr/src/lib/nsswitch/dns/common/dns_common.h
index 717f56d70f..83d486cf57 100644
--- a/usr/src/lib/nsswitch/dns/common/dns_common.h
+++ b/usr/src/lib/nsswitch/dns/common/dns_common.h
@@ -31,8 +31,6 @@
 #ifndef _DNS_COMMON_H
 #define	_DNS_COMMON_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <stdio.h>
 #include <ctype.h>
 #include <sys/types.h>
@@ -43,7 +41,7 @@
 #include <thread.h>
 #include <arpa/inet.h>
 #include <arpa/nameser.h>
-#include <resolv.h>
+#include <resolv_joy.h>
 #include <syslog.h>
 #include <nsswitch.h>
 #include <nss_common.h>
diff --git a/usr/src/lib/nsswitch/dns/common/dns_mt.c b/usr/src/lib/nsswitch/dns/common/dns_mt.c
index 128b1bde75..4af3f671c0 100644
--- a/usr/src/lib/nsswitch/dns/common/dns_mt.c
+++ b/usr/src/lib/nsswitch/dns/common/dns_mt.c
@@ -23,8 +23,9 @@
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ */
 
 /*
  * dns_mt.c
@@ -49,52 +50,41 @@
 static void	_nss_dns_init(void);
 
 extern struct hostent *res_gethostbyname(const char *);
-#pragma weak	res_gethostbyname
 
-#define		RES_SET_NO_HOSTS_FALLBACK	"__res_set_no_hosts_fallback"
-extern void	__res_set_no_hosts_fallback(void);
-#pragma weak	__res_set_no_hosts_fallback
+#define	RES_SET_NO_HOSTS_FALLBACK	"__joy_res_set_no_hosts_fallback"
+extern void	__joy_res_set_no_hosts_fallback(void);
 
-#define		RES_UNSET_NO_HOSTS_FALLBACK	"__res_unset_no_hosts_fallback"
-extern void	__res_unset_no_hosts_fallback(void);
-#pragma weak	__res_unset_no_hosts_fallback
+#define	RES_UNSET_NO_HOSTS_FALLBACK	"__joy_res_unset_no_hosts_fallback"
+extern void	__joy_res_unset_no_hosts_fallback(void);
 
 #define		RES_GET_RES	"__res_get_res"
 extern struct __res_state	*__res_get_res(void);
-#pragma weak	__res_get_res
 
 #define		RES_ENABLE_MT			"__res_enable_mt"
 extern int	__res_enable_mt(void);
-#pragma weak	__res_enable_mt
 
 #define		RES_DISABLE_MT			"__res_disable_mt"
 extern int	__res_disable_mt(void);
-#pragma weak	__res_disable_mt
 
 #define		RES_GET_H_ERRNO			"__res_get_h_errno"
 extern int	*__res_get_h_errno();
-#pragma weak	__res_get_h_errno
 
-#define		__H_ERRNO			"__h_errno"
-extern int	*__h_errno(void);
-#pragma weak	__h_errno
+#define		__H_ERRNO			"__joy_h_errno"
+extern int	*__joy_h_errno(void);
 
-#define		RES_OVERRIDE_RETRY		"__res_override_retry"
-extern int	__res_override_retry(int);
-#pragma weak	__res_override_retry
+#define		RES_OVERRIDE_RETRY		"__joy_res_override_retry"
+extern int	__joy_res_override_retry(int);
 
 static void	__fallback_set_no_hosts(void);
-static int	*__fallback_h_errno(void);
-static int	__fallback_override_retry(int);
 static int	__is_mt_safe(void);
 
 void	(*set_no_hosts_fallback)(void) = __fallback_set_no_hosts;
 void	(*unset_no_hosts_fallback)(void) = __fallback_set_no_hosts;
 struct __res_state	*(*set_res_retry)() = 0;
-int	(*enable_mt)() = 0;
-int	(*disable_mt)() = 0;
-int	*(*get_h_errno)(void) = 0;
-int	(*override_retry)(int) = 0;
+int	(*enable_mt)() = __is_mt_safe;
+int	(*disable_mt)() = __is_mt_safe;
+int	*(*get_h_errno)(void) = __joy_h_errno;
+int	(*override_retry)(int) = __joy_res_override_retry;
 
 /* Usually set from the Makefile */
 #ifndef	NSS_DNS_LIBRESOLV
@@ -106,91 +96,12 @@ extern	int	h_errno;
 
 mutex_t	one_lane = DEFAULTMUTEX;
 
+/* Because we link against libresolv_joy.so.2, this is relatively easy. */
 void
 _nss_dns_init(void)
 {
-	void		*reslib, (*f_void_ptr)();
-
-	/* If no libresolv library, then load one */
-	if (res_gethostbyname == 0) {
-		if ((reslib =
-		    dlopen(NSS_DNS_LIBRESOLV, RTLD_LAZY|RTLD_GLOBAL)) != 0) {
-			/* Turn off /etc/hosts fall back in libresolv */
-			if ((f_void_ptr = (void (*)(void))dlsym(reslib,
-			    RES_SET_NO_HOSTS_FALLBACK)) != 0) {
-				set_no_hosts_fallback = f_void_ptr;
-			}
-			if ((f_void_ptr = (void (*)(void))dlsym(reslib,
-			    RES_SET_NO_HOSTS_FALLBACK)) != 0) {
-				unset_no_hosts_fallback = f_void_ptr;
-			}
-			/* Set number of resolver retries */
-			if ((override_retry = (int (*)(int))dlsym(reslib,
-			    RES_OVERRIDE_RETRY)) == 0) {
-				set_res_retry =
-				    (struct __res_state *(*)(void))dlsym(reslib,
-				    RES_GET_RES);
-				override_retry = __fallback_override_retry;
-			}
-			/*
-			 * Select h_errno retrieval function. A BIND 8.2.2
-			 * libresolv.so.2 will have __h_errno, a BIND 8.1.2
-			 * one will have __res_get_h_errno, and other
-			 * versions may have nothing at all.
-			 *
-			 * Also try to bind to the relevant MT enable/disable
-			 * functions which are also dependent on the version
-			 * of the BIND libresolv.so.2 being used.
-			 */
-			if ((get_h_errno = (int *(*)(void))dlsym(reslib,
-			    __H_ERRNO)) != 0) {
-				/* BIND 8.2.2 libresolv.so.2 is MT safe. */
-				enable_mt = __is_mt_safe;
-				disable_mt = __is_mt_safe;
-			} else {
-				if ((get_h_errno =
-				    (int *(*)(void))dlsym(reslib,
-				    RES_GET_H_ERRNO)) == 0) {
-					get_h_errno = __fallback_h_errno;
-				}
-				/*
-				 * Pre-BIND 8.2.2 was not MT safe.  Try to
-				 * bind the MT enable/disable functions.
-				 */
-				if ((enable_mt = (int (*)(void))dlsym(reslib,
-				    RES_ENABLE_MT)) != 0 &&
-				    (disable_mt = (int (*)(void))dlsym(reslib,
-				    RES_DISABLE_MT)) == 0) {
-					enable_mt = 0;
-				}
-			}
-		}
-	} else {
-		/* Libresolv already loaded */
-		if ((f_void_ptr = __res_set_no_hosts_fallback) != 0) {
-			set_no_hosts_fallback = f_void_ptr;
-		}
-		if ((f_void_ptr = __res_unset_no_hosts_fallback) != 0) {
-			unset_no_hosts_fallback = f_void_ptr;
-		}
-		if ((override_retry = __res_override_retry) == 0) {
-			set_res_retry = __res_get_res;
-			override_retry = __fallback_override_retry;
-		}
-		if ((get_h_errno = __h_errno) == 0 &&
-		    (get_h_errno = __res_get_h_errno) == 0) {
-			get_h_errno = __fallback_h_errno;
-		}
-		if (get_h_errno == __h_errno) {
-			enable_mt = __is_mt_safe;
-			disable_mt = __is_mt_safe;
-		} else {
-			if ((enable_mt = __res_enable_mt) != 0 &&
-			    (disable_mt = __res_disable_mt) == 0) {
-				enable_mt = 0;
-			}
-		}
-	}
+	enable_mt = __is_mt_safe;
+	disable_mt = __is_mt_safe;
 }
 
 
@@ -228,36 +139,6 @@ __is_mt_safe(void) {
 }
 
 
-/*
- * Return pointer to the global h_errno variable
- */
-static int *
-__fallback_h_errno(void) {
-	return (&h_errno);
-}
-
-
-/*
- * This function is called when the resolver library doesn't provide its
- * own function to establish an override retry. If we can get a pointer
- * to the per-thread _res (i.e., set_res_retry != 0), we set the retries
- * directly, and return the previous number of retries. Otherwise, there's
- * nothing to do.
- */
-static int
-__fallback_override_retry(int retry) {
-	struct __res_state	*res;
-	int			old_retry = 0;
-
-	if (set_res_retry != 0) {
-		res = set_res_retry();
-		old_retry = res->retry;
-		res->retry = retry;
-	}
-	return (old_retry);
-}
-
-
 static void
 __fallback_set_no_hosts(void) {
 }
diff --git a/usr/src/lib/nsswitch/dns/common/gethostent.c b/usr/src/lib/nsswitch/dns/common/gethostent.c
index 648ea8ba01..d321dd24c6 100644
--- a/usr/src/lib/nsswitch/dns/common/gethostent.c
+++ b/usr/src/lib/nsswitch/dns/common/gethostent.c
@@ -24,8 +24,6 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 /*
  * gethostent.c
  *
@@ -53,12 +51,6 @@ static struct hostent *_gethostbyaddr(int *h_errnop, const char *addr,
     int len, int type);
 struct hostent *_nss_dns_gethostbyname2(int *h_errnop, const char *name);
 
-#pragma weak	res_gethostbyname
-#pragma weak	res_gethostbyname2
-#pragma weak	res_gethostbyaddr
-#pragma weak	res_sethostent
-#pragma weak	res_endhostent
-
 nss_backend_t *_nss_dns_constr(dns_backend_op_t ops[], int n_ops);
 nss_status_t __nss_dns_getbyaddr(dns_backend_ptr_t, void *);
 
diff --git a/usr/src/lib/nsswitch/dns/common/gethostent6.c b/usr/src/lib/nsswitch/dns/common/gethostent6.c
index ee85832073..f3efc4eae6 100644
--- a/usr/src/lib/nsswitch/dns/common/gethostent6.c
+++ b/usr/src/lib/nsswitch/dns/common/gethostent6.c
@@ -24,8 +24,6 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 /*
  * This is the DNS backend for IPv6 addresses.
  * getbyname() is a local routine, but getbyaddr() actually shares the
@@ -50,8 +48,6 @@
  */
 
 
-#pragma weak	res_endhostent
-
 extern struct hostent *_gethostbyname(int *, const char *);
 extern struct hostent *_nss_dns_gethostbyname2(int *, const char *);
 
diff --git a/usr/src/lib/pkcs11/pkcs11_tpm/Makefile.com b/usr/src/lib/pkcs11/pkcs11_tpm/Makefile.com
index 020051c977..7345ddc892 100644
--- a/usr/src/lib/pkcs11/pkcs11_tpm/Makefile.com
+++ b/usr/src/lib/pkcs11/pkcs11_tpm/Makefile.com
@@ -73,7 +73,7 @@ TSSLIB=-L$(TSPILIBDIR)
 TSSLIB64=-L$(TSPILIBDIR)/$(MACH64)
 TSSINC=-I$(TSPIINCDIR)
 
-LDLIBS += $(TSSLIB) -L$(ADJUNCT_PROTO)/lib -lc -luuid -lmd -ltspi -lcrypto
+LDLIBS += $(TSSLIB) -L$(ADJUNCT_PROTO)/lib -lc -luuid -lmd -ltspi -lsunw_crypto
 CPPFLAGS += -xCC -D_POSIX_PTHREAD_SEMANTICS $(TSSINC)
 CPPFLAGS64 += $(CPPFLAGS)
 C99MODE=        $(C99_ENABLE)
diff --git a/usr/src/lib/pysolaris/Makefile.com b/usr/src/lib/pysolaris/Makefile.com
index 28d68704f9..a6194a9a2a 100644
--- a/usr/src/lib/pysolaris/Makefile.com
+++ b/usr/src/lib/pysolaris/Makefile.com
@@ -44,6 +44,7 @@ C99LMODE=       -Xc99=%all
 LIBS =		$(DYNLIB)
 LDLIBS +=	-lc -lsec -lidmap -lpython2.6
 CFLAGS +=	$(CCVERBOSE)
+CPPFLAGS +=	-I$(ADJUNCT_PROTO)/usr/include/python2.6
 CERRWARN +=	-_gcc=-Wno-unused-variable
 CPPFLAGS +=	-I$(ADJUNCT_PROTO)/usr/include/python2.6
 
diff --git a/usr/src/lib/varpd/Makefile b/usr/src/lib/varpd/Makefile
new file mode 100644
index 0000000000..daa849572e
--- /dev/null
+++ b/usr/src/lib/varpd/Makefile
@@ -0,0 +1,33 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+SUBDIRS = libvarpd .WAIT direct files svp
+
+all :=		TARGET = all
+clean :=	TARGET = clean
+clobber :=	TARGET = clobber
+check :=	TARGET = check
+install :=	TARGET = install
+install_h :=	TARGET = install_h
+lint :=		TARGET = lint
+
+.KEEP_STATE:
+
+all clean clobber install install_h check lint: $(SUBDIRS)
+
+$(SUBDIRS):  FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
diff --git a/usr/src/lib/varpd/Makefile.plugin b/usr/src/lib/varpd/Makefile.plugin
new file mode 100644
index 0000000000..48f188500c
--- /dev/null
+++ b/usr/src/lib/varpd/Makefile.plugin
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+ROOTLIBDIR = $(ROOT)/usr/lib/varpd
+ROOTLIBDIR64 = $(ROOT)/usr/lib/varpd/$(MACH64)
+
+MAPFILES += ../../libvarpd/common/mapfile-plugin
diff --git a/usr/src/lib/varpd/direct/Makefile b/usr/src/lib/varpd/direct/Makefile
new file mode 100644
index 0000000000..275f07bf8b
--- /dev/null
+++ b/usr/src/lib/varpd/direct/Makefile
@@ -0,0 +1,40 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include		../../Makefile.lib
+
+SUBDIRS =	$(MACH)
+$(BUILD64)SUBDIRS +=	$(MACH64)
+
+all :=		TARGET = all
+clean :=	TARGET = clean
+clobber :=	TARGET = clobber
+install :=	TARGET = install
+lint :=		TARGET = lint
+
+.KEEP_STATE:
+
+all clean clobber install lint: $(SUBDIRS)
+
+install_h:
+
+check:
+
+$(SUBDIRS):  FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
+
+include ../../Makefile.targ
diff --git a/usr/src/lib/varpd/direct/Makefile.com b/usr/src/lib/varpd/direct/Makefile.com
new file mode 100644
index 0000000000..c071405972
--- /dev/null
+++ b/usr/src/lib/varpd/direct/Makefile.com
@@ -0,0 +1,38 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+LIBRARY =	libvarpd_direct.a
+VERS =		.1
+OBJECTS =	libvarpd_direct.o
+
+include ../../../Makefile.lib
+include ../../Makefile.plugin
+
+LIBS =		$(DYNLIB)
+LDLIBS +=	-lc -lvarpd -lumem -lnvpair -lnsl
+CPPFLAGS +=	-I../common
+
+C99MODE=	-xc99=%all
+C99LMODE=	-Xc99=%all
+
+SRCDIR =	../common
+
+.KEEP_STATE:
+
+all:	$(LIBS)
+
+lint:	lintcheck
+
+include ../../../Makefile.targ
diff --git a/usr/src/lib/varpd/direct/amd64/Makefile b/usr/src/lib/varpd/direct/amd64/Makefile
new file mode 100644
index 0000000000..d552642882
--- /dev/null
+++ b/usr/src/lib/varpd/direct/amd64/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+include ../../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/varpd/direct/common/libvarpd_direct.c b/usr/src/lib/varpd/direct/common/libvarpd_direct.c
new file mode 100644
index 0000000000..235a73c804
--- /dev/null
+++ b/usr/src/lib/varpd/direct/common/libvarpd_direct.c
@@ -0,0 +1,409 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015, Joyent, Inc.
+ */
+
+/*
+ * Point to point plug-in for varpd.
+ *
+ * This plugin implements a simple point to point plugin for a packet. It
+ * represents the traditional tunnel, just in overlay form. As such, the only
+ * properties it needs are those to determine where to send everything. At this
+ * time, we don't allow a mulicast address; however, there's no reason that the
+ * direct plugin shouldn't in theory support multicast, though when implementing
+ * it the best path will become clear.
+ *
+ * In general this module has been designed to make it easy to support a
+ * destination of either IP or IP and port; however, we restrict it to the
+ * latter as we don't currently have an implementation that would allow us to
+ * test that.
+ */
+
+#include <libvarpd_provider.h>
+#include <umem.h>
+#include <errno.h>
+#include <thread.h>
+#include <synch.h>
+#include <strings.h>
+#include <assert.h>
+#include <limits.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <libnvpair.h>
+
+typedef struct varpd_direct {
+	overlay_plugin_dest_t	vad_dest;	/* RO */
+	mutex_t			vad_lock;	/* Protects the rest */
+	boolean_t		vad_hip;
+	boolean_t		vad_hport;
+	struct in6_addr 	vad_ip;
+	uint16_t		vad_port;
+} varpd_direct_t;
+
+static const char *varpd_direct_props[] = {
+	"direct/dest_ip",
+	"direct/dest_port"
+};
+
+static boolean_t
+varpd_direct_valid_dest(overlay_plugin_dest_t dest)
+{
+	if (dest & ~(OVERLAY_PLUGIN_D_IP | OVERLAY_PLUGIN_D_PORT))
+		return (B_FALSE);
+
+	if (!(dest & (OVERLAY_PLUGIN_D_IP | OVERLAY_PLUGIN_D_PORT)))
+		return (B_FALSE);
+
+	return (B_TRUE);
+}
+
+/* ARGSUSED */
+static int
+varpd_direct_create(varpd_provider_handle_t *hdl, void **outp,
+    overlay_plugin_dest_t dest)
+{
+	int ret;
+	varpd_direct_t *vdp;
+
+	if (varpd_direct_valid_dest(dest) == B_FALSE)
+		return (ENOTSUP);
+
+	vdp = umem_alloc(sizeof (varpd_direct_t), UMEM_DEFAULT);
+	if (vdp == NULL)
+		return (ENOMEM);
+
+	if ((ret = mutex_init(&vdp->vad_lock, USYNC_THREAD, NULL)) != 0) {
+		umem_free(vdp, sizeof (varpd_direct_t));
+		return (ret);
+	}
+
+	vdp->vad_dest = dest;
+	vdp->vad_hip = B_FALSE;
+	vdp->vad_hport = B_FALSE;
+	*outp = vdp;
+	return (0);
+}
+
+static int
+varpd_direct_start(void *arg)
+{
+	varpd_direct_t *vdp = arg;
+
+	(void) mutex_lock(&vdp->vad_lock);
+	if (vdp->vad_hip == B_FALSE ||((vdp->vad_dest & OVERLAY_PLUGIN_D_IP) &&
+	    vdp->vad_hport == B_FALSE)) {
+		(void) mutex_unlock(&vdp->vad_lock);
+		return (EAGAIN);
+	}
+	(void) mutex_unlock(&vdp->vad_lock);
+
+	return (0);
+}
+
+/* ARGSUSED */
+static void
+varpd_direct_stop(void *arg)
+{
+}
+
+static void
+varpd_direct_destroy(void *arg)
+{
+	varpd_direct_t *vdp = arg;
+
+	if (mutex_destroy(&vdp->vad_lock) != 0)
+		abort();
+	umem_free(vdp, sizeof (varpd_direct_t));
+}
+
+static int
+varpd_direct_default(void *arg, overlay_target_point_t *otp)
+{
+	varpd_direct_t *vdp = arg;
+
+	(void) mutex_lock(&vdp->vad_lock);
+	bcopy(&vdp->vad_ip, &otp->otp_ip, sizeof (struct in6_addr));
+	otp->otp_port = vdp->vad_port;
+	(void) mutex_unlock(&vdp->vad_lock);
+
+	return (VARPD_LOOKUP_OK);
+}
+
+static int
+varpd_direct_nprops(void *arg, uint_t *nprops)
+{
+	const varpd_direct_t *vdp = arg;
+
+	*nprops = 0;
+	if (vdp->vad_dest & OVERLAY_PLUGIN_D_ETHERNET)
+		*nprops += 1;
+
+	if (vdp->vad_dest & OVERLAY_PLUGIN_D_IP)
+		*nprops += 1;
+
+	if (vdp->vad_dest & OVERLAY_PLUGIN_D_PORT)
+		*nprops += 1;
+
+	assert(*nprops == 1 || *nprops == 2);
+
+	return (0);
+}
+
+static int
+varpd_direct_propinfo(void *arg, uint_t propid, varpd_prop_handle_t *vph)
+{
+	varpd_direct_t *vdp = arg;
+
+	/*
+	 * Because we only support IP + port combos right now, prop 0 should
+	 * always be the IP. We don't support a port without an IP.
+	 */
+	assert(vdp->vad_dest & OVERLAY_PLUGIN_D_IP);
+	if (propid == 0) {
+		libvarpd_prop_set_name(vph, varpd_direct_props[0]);
+		libvarpd_prop_set_prot(vph, OVERLAY_PROP_PERM_RRW);
+		libvarpd_prop_set_type(vph, OVERLAY_PROP_T_IP);
+		libvarpd_prop_set_nodefault(vph);
+		return (0);
+	}
+
+	if (propid == 1 && vdp->vad_dest & OVERLAY_PLUGIN_D_PORT) {
+		libvarpd_prop_set_name(vph, varpd_direct_props[1]);
+		libvarpd_prop_set_prot(vph, OVERLAY_PROP_PERM_RRW);
+		libvarpd_prop_set_type(vph, OVERLAY_PROP_T_UINT);
+		libvarpd_prop_set_nodefault(vph);
+		libvarpd_prop_set_range_uint32(vph, 1, UINT16_MAX);
+		return (0);
+	}
+
+	return (EINVAL);
+}
+
+static int
+varpd_direct_getprop(void *arg, const char *pname, void *buf, uint32_t *sizep)
+{
+	varpd_direct_t *vdp = arg;
+
+	/* direct/dest_ip */
+	if (strcmp(pname, varpd_direct_props[0]) == 0) {
+		if (*sizep < sizeof (struct in6_addr))
+			return (EOVERFLOW);
+		(void) mutex_lock(&vdp->vad_lock);
+		if (vdp->vad_hip == B_FALSE) {
+			*sizep = 0;
+		} else {
+			bcopy(&vdp->vad_ip, buf, sizeof (struct in6_addr));
+			*sizep = sizeof (struct in6_addr);
+		}
+		(void) mutex_unlock(&vdp->vad_lock);
+		return (0);
+	}
+
+	/* direct/dest_port */
+	if (strcmp(pname, varpd_direct_props[1]) == 0) {
+		uint64_t val;
+
+		if (*sizep < sizeof (uint64_t))
+			return (EOVERFLOW);
+		(void) mutex_lock(&vdp->vad_lock);
+		if (vdp->vad_hport == B_FALSE) {
+			*sizep = 0;
+		} else {
+			val = vdp->vad_port;
+			bcopy(&val, buf, sizeof (uint64_t));
+			*sizep = sizeof (uint64_t);
+		}
+		(void) mutex_unlock(&vdp->vad_lock);
+		return (0);
+	}
+
+	return (EINVAL);
+}
+
+static int
+varpd_direct_setprop(void *arg, const char *pname, const void *buf,
+    const uint32_t size)
+{
+	varpd_direct_t *vdp = arg;
+
+	/* direct/dest_ip */
+	if (strcmp(pname, varpd_direct_props[0]) == 0) {
+		const struct in6_addr *ipv6 = buf;
+
+		if (size < sizeof (struct in6_addr))
+			return (EOVERFLOW);
+
+		if (IN6_IS_ADDR_V4COMPAT(ipv6))
+			return (EINVAL);
+
+		if (IN6_IS_ADDR_6TO4(ipv6))
+			return (EINVAL);
+
+		(void) mutex_lock(&vdp->vad_lock);
+		bcopy(buf, &vdp->vad_ip, sizeof (struct in6_addr));
+		vdp->vad_hip = B_TRUE;
+		(void) mutex_unlock(&vdp->vad_lock);
+		return (0);
+	}
+
+	/* direct/dest_port */
+	if (strcmp(pname, varpd_direct_props[1]) == 0) {
+		const uint64_t *valp = buf;
+		if (size < sizeof (uint64_t))
+			return (EOVERFLOW);
+
+		if (*valp == 0 || *valp > UINT16_MAX)
+			return (EINVAL);
+
+		(void) mutex_lock(&vdp->vad_lock);
+		vdp->vad_port = (uint16_t)*valp;
+		vdp->vad_hport = B_TRUE;
+		(void) mutex_unlock(&vdp->vad_lock);
+		return (0);
+	}
+
+	return (EINVAL);
+}
+
+static int
+varpd_direct_save(void *arg, nvlist_t *nvp)
+{
+	int ret;
+	varpd_direct_t *vdp = arg;
+
+	(void) mutex_lock(&vdp->vad_lock);
+	if (vdp->vad_hport == B_TRUE) {
+		if ((ret = nvlist_add_uint16(nvp, varpd_direct_props[1],
+		    vdp->vad_port)) != 0) {
+			(void) mutex_unlock(&vdp->vad_lock);
+			return (ret);
+		}
+	}
+
+	if (vdp->vad_hip == B_TRUE) {
+		char buf[INET6_ADDRSTRLEN];
+
+		if (inet_ntop(AF_INET6, &vdp->vad_ip, buf, sizeof (buf)) ==
+		    NULL)
+			abort();
+		if ((ret = nvlist_add_string(nvp, varpd_direct_props[0],
+		    buf)) != 0) {
+			(void) mutex_unlock(&vdp->vad_lock);
+			return (ret);
+		}
+	}
+	(void) mutex_unlock(&vdp->vad_lock);
+
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+varpd_direct_restore(nvlist_t *nvp, varpd_provider_handle_t *hdl,
+    overlay_plugin_dest_t dest, void **outp)
+{
+	int ret;
+	char *ipstr;
+	varpd_direct_t *vdp;
+
+	if (varpd_direct_valid_dest(dest) == B_FALSE)
+		return (ENOTSUP);
+
+	vdp = umem_alloc(sizeof (varpd_direct_t), UMEM_DEFAULT);
+	if (vdp == NULL)
+		return (ENOMEM);
+
+	if ((ret = mutex_init(&vdp->vad_lock, USYNC_THREAD, NULL)) != 0) {
+		umem_free(vdp, sizeof (varpd_direct_t));
+		return (ret);
+	}
+
+	if ((ret = nvlist_lookup_uint16(nvp, varpd_direct_props[1],
+	    &vdp->vad_port)) != 0) {
+		if (ret != ENOENT) {
+			if (mutex_destroy(&vdp->vad_lock) != 0)
+				abort();
+			umem_free(vdp, sizeof (varpd_direct_t));
+			return (ret);
+		}
+		vdp->vad_hport = B_FALSE;
+	} else {
+		vdp->vad_hport = B_TRUE;
+	}
+
+	if ((ret = nvlist_lookup_string(nvp, varpd_direct_props[0],
+	    &ipstr)) != 0) {
+		if (ret != ENOENT) {
+			if (mutex_destroy(&vdp->vad_lock) != 0)
+				abort();
+			umem_free(vdp, sizeof (varpd_direct_t));
+			return (ret);
+		}
+		vdp->vad_hip = B_FALSE;
+	} else {
+		ret = inet_pton(AF_INET6, ipstr, &vdp->vad_ip);
+		/*
+		 * inet_pton is only defined to return -1 with errno set to
+		 * EAFNOSUPPORT, which really, shouldn't happen.
+		 */
+		if (ret == -1) {
+			assert(errno == EAFNOSUPPORT);
+			abort();
+		}
+		if (ret == 0) {
+			if (mutex_destroy(&vdp->vad_lock) != 0)
+				abort();
+			umem_free(vdp, sizeof (varpd_direct_t));
+			return (EINVAL);
+		}
+	}
+
+	*outp = vdp;
+	return (0);
+}
+
+static const varpd_plugin_ops_t varpd_direct_ops = {
+	0,
+	varpd_direct_create,
+	varpd_direct_start,
+	varpd_direct_stop,
+	varpd_direct_destroy,
+	varpd_direct_default,
+	NULL,
+	varpd_direct_nprops,
+	varpd_direct_propinfo,
+	varpd_direct_getprop,
+	varpd_direct_setprop,
+	varpd_direct_save,
+	varpd_direct_restore
+};
+
+#pragma init(varpd_direct_init)
+static void
+varpd_direct_init(void)
+{
+	int err;
+	varpd_plugin_register_t *vpr;
+
+	vpr = libvarpd_plugin_alloc(VARPD_CURRENT_VERSION, &err);
+	if (vpr == NULL)
+		return;
+
+	vpr->vpr_mode = OVERLAY_TARGET_POINT;
+	vpr->vpr_name = "direct";
+	vpr->vpr_ops = &varpd_direct_ops;
+	(void) libvarpd_plugin_register(vpr);
+	libvarpd_plugin_free(vpr);
+}
diff --git a/usr/src/lib/varpd/direct/common/llib-lvarpd_direct b/usr/src/lib/varpd/direct/common/llib-lvarpd_direct
new file mode 100644
index 0000000000..03c34f4fcb
--- /dev/null
+++ b/usr/src/lib/varpd/direct/common/llib-lvarpd_direct
@@ -0,0 +1,18 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/* LINTLIBRARY */
+/* PROTOLIB1 */
+
diff --git a/usr/src/lib/varpd/direct/common/mapfile-vers b/usr/src/lib/varpd/direct/common/mapfile-vers
new file mode 100644
index 0000000000..6b7c5a5067
--- /dev/null
+++ b/usr/src/lib/varpd/direct/common/mapfile-vers
@@ -0,0 +1,35 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+SYMBOL_VERSION SUNWprivate {
+    local:
+	*;
+};
diff --git a/usr/src/lib/varpd/direct/i386/Makefile b/usr/src/lib/varpd/direct/i386/Makefile
new file mode 100644
index 0000000000..f2b4f63da5
--- /dev/null
+++ b/usr/src/lib/varpd/direct/i386/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/varpd/direct/sparc/Makefile b/usr/src/lib/varpd/direct/sparc/Makefile
new file mode 100644
index 0000000000..f2b4f63da5
--- /dev/null
+++ b/usr/src/lib/varpd/direct/sparc/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/varpd/direct/sparcv9/Makefile b/usr/src/lib/varpd/direct/sparcv9/Makefile
new file mode 100644
index 0000000000..d552642882
--- /dev/null
+++ b/usr/src/lib/varpd/direct/sparcv9/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+include ../../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/varpd/files/Makefile b/usr/src/lib/varpd/files/Makefile
new file mode 100644
index 0000000000..275f07bf8b
--- /dev/null
+++ b/usr/src/lib/varpd/files/Makefile
@@ -0,0 +1,40 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include		../../Makefile.lib
+
+SUBDIRS =	$(MACH)
+$(BUILD64)SUBDIRS +=	$(MACH64)
+
+all :=		TARGET = all
+clean :=	TARGET = clean
+clobber :=	TARGET = clobber
+install :=	TARGET = install
+lint :=		TARGET = lint
+
+.KEEP_STATE:
+
+all clean clobber install lint: $(SUBDIRS)
+
+install_h:
+
+check:
+
+$(SUBDIRS):  FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
+
+include ../../Makefile.targ
diff --git a/usr/src/lib/varpd/files/Makefile.com b/usr/src/lib/varpd/files/Makefile.com
new file mode 100644
index 0000000000..e68797246f
--- /dev/null
+++ b/usr/src/lib/varpd/files/Makefile.com
@@ -0,0 +1,42 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+LIBRARY =	libvarpd_files.a
+VERS =		.1
+OBJECTS =	libvarpd_files.o \
+		libvarpd_files_json.o
+
+include ../../../Makefile.lib
+include ../../Makefile.plugin
+
+LIBS =		$(DYNLIB)
+LDLIBS +=	-lc -lvarpd -lumem -lnvpair -lsocket -lnsl -lcmdutils
+CPPFLAGS +=	-I../common
+
+LINTFLAGS +=	-erroff=E_BAD_PTR_CAST_ALIGN
+LINTFLAGS64 +=	-erroff=E_BAD_PTR_CAST_ALIGN
+
+C99MODE=	-xc99=%all
+C99LMODE=	-Xc99=%all
+
+SRCDIR =	../common
+
+.KEEP_STATE:
+
+all:	$(LIBS)
+
+lint:	lintcheck
+
+include ../../../Makefile.targ
diff --git a/usr/src/lib/varpd/files/amd64/Makefile b/usr/src/lib/varpd/files/amd64/Makefile
new file mode 100644
index 0000000000..d552642882
--- /dev/null
+++ b/usr/src/lib/varpd/files/amd64/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+include ../../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/varpd/files/common/libvarpd_files.c b/usr/src/lib/varpd/files/common/libvarpd_files.c
new file mode 100644
index 0000000000..812919a07d
--- /dev/null
+++ b/usr/src/lib/varpd/files/common/libvarpd_files.c
@@ -0,0 +1,605 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015, Joyent, Inc.
+ */
+
+/*
+ * Files based plug-in for varpd
+ *
+ * This is a dynamic varpd plug-in that has a static backing store. It's really
+ * nothing more than a glorified version of /etc/ethers, though it facilitiates
+ * a bit more. The files module allows for the full set of mappings to be fixed
+ * at creation time. In addition, it also provides support for proxying ARP,
+ * NDP, and DHCP.
+ *
+ * At this time, the plugin requires that the destination type involve both an
+ * IP address and a port; however, there's no reason that this cannot be made
+ * more flexible as we have additional encapsulation algorithms that support it.
+ * The plug-in only has a single property, which is the location of the JSON
+ * file. The JSON file itself looks something like:
+ *
+ * 	{
+ *		"aa:bb:cc:dd:ee:ff": {
+ *			"arp": "10.23.69.1",
+ *			"ndp": "2600:3c00::f03c:91ff:fe96:a264",
+ *			"ip": "192.168.1.1",
+ *			"port": 8080
+ *		},
+ *		...
+ *	}
+ */
+
+#include <libvarpd_provider.h>
+#include <umem.h>
+#include <errno.h>
+#include <thread.h>
+#include <synch.h>
+#include <strings.h>
+#include <assert.h>
+#include <limits.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <libnvpair.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/ethernet.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <libvarpd_files_json.h>
+
+typedef struct varpd_files {
+	overlay_plugin_dest_t	vaf_dest;	/* RO */
+	varpd_provider_handle_t	*vaf_hdl;	/* RO */
+	char			*vaf_path;	/* WO */
+	nvlist_t		*vaf_nvl;	/* WO */
+	uint64_t		vaf_nmisses;	/* Atomic */
+	uint64_t		vaf_narp;	/* Atomic */
+} varpd_files_t;
+
+static const char *varpd_files_props[] = {
+	"files/config"
+};
+
+static boolean_t
+varpd_files_valid_dest(overlay_plugin_dest_t dest)
+{
+	if (dest & ~(OVERLAY_PLUGIN_D_IP | OVERLAY_PLUGIN_D_PORT))
+		return (B_FALSE);
+
+	if (!(dest & (OVERLAY_PLUGIN_D_IP | OVERLAY_PLUGIN_D_PORT)))
+		return (B_FALSE);
+
+	return (B_TRUE);
+}
+
+static int
+varpd_files_create(varpd_provider_handle_t *hdl, void **outp,
+    overlay_plugin_dest_t dest)
+{
+	varpd_files_t *vaf;
+
+	if (varpd_files_valid_dest(dest) == B_FALSE)
+		return (ENOTSUP);
+
+	vaf = umem_alloc(sizeof (varpd_files_t), UMEM_DEFAULT);
+	if (vaf == NULL)
+		return (ENOMEM);
+
+	bzero(vaf, sizeof (varpd_files_t));
+	vaf->vaf_dest = dest;
+	vaf->vaf_path = NULL;
+	vaf->vaf_nvl = NULL;
+	vaf->vaf_hdl = hdl;
+	*outp = vaf;
+	return (0);
+}
+
+static int
+varpd_files_normalize_nvlist(varpd_files_t *vaf, nvlist_t *nvl)
+{
+	int ret;
+	nvlist_t *out;
+	nvpair_t *pair;
+
+	if ((ret = nvlist_alloc(&out, NV_UNIQUE_NAME, 0)) != 0)
+		return (ret);
+
+	for (pair = nvlist_next_nvpair(nvl, NULL); pair != NULL;
+	    pair = nvlist_next_nvpair(nvl, pair)) {
+		char *name, fname[ETHERADDRSTRL];
+		nvlist_t *data;
+		struct ether_addr ether, *e;
+		e = &ether;
+
+		if (nvpair_type(pair) != DATA_TYPE_NVLIST) {
+			nvlist_free(out);
+			return (EINVAL);
+		}
+
+		name = nvpair_name(pair);
+		if ((ret = nvpair_value_nvlist(pair, &data)) != 0) {
+			nvlist_free(out);
+			return (EINVAL);
+		}
+
+		if (ether_aton_r(name, e) == NULL) {
+			nvlist_free(out);
+			return (EINVAL);
+		}
+
+		if (ether_ntoa_r(e, fname) == NULL) {
+			nvlist_free(out);
+			return (ENOMEM);
+		}
+
+		if ((ret = nvlist_add_nvlist(out, fname, data)) != 0) {
+			nvlist_free(out);
+			return (EINVAL);
+		}
+	}
+
+	vaf->vaf_nvl = out;
+	return (0);
+}
+
+static int
+varpd_files_start(void *arg)
+{
+	int fd, ret;
+	void *maddr;
+	struct stat st;
+	nvlist_t *nvl;
+	varpd_files_t *vaf = arg;
+
+	if (vaf->vaf_path == NULL)
+		return (EAGAIN);
+
+	if ((fd = open(vaf->vaf_path, O_RDONLY)) < 0)
+		return (errno);
+
+	if (fstat(fd, &st) != 0) {
+		ret = errno;
+		if (close(fd) != 0)
+			abort();
+		return (ret);
+	}
+
+	maddr = mmap(NULL, st.st_size, PROT_READ | PROT_WRITE, MAP_PRIVATE,
+	    fd, 0);
+	if (maddr == NULL) {
+		ret = errno;
+		if (close(fd) != 0)
+			abort();
+		return (ret);
+	}
+
+	ret = nvlist_parse_json(maddr, st.st_size, &nvl,
+	    NVJSON_FORCE_INTEGER, NULL);
+	if (ret == 0) {
+		ret = varpd_files_normalize_nvlist(vaf, nvl);
+		nvlist_free(nvl);
+	}
+	if (munmap(maddr, st.st_size) != 0)
+		abort();
+	if (close(fd) != 0)
+		abort();
+
+	return (ret);
+}
+
+static void
+varpd_files_stop(void *arg)
+{
+	varpd_files_t *vaf = arg;
+
+	nvlist_free(vaf->vaf_nvl);
+	vaf->vaf_nvl = NULL;
+}
+
+static void
+varpd_files_destroy(void *arg)
+{
+	varpd_files_t *vaf = arg;
+
+	assert(vaf->vaf_nvl == NULL);
+	if (vaf->vaf_path != NULL) {
+		umem_free(vaf->vaf_path, strlen(vaf->vaf_path) + 1);
+		vaf->vaf_path = NULL;
+	}
+	umem_free(vaf, sizeof (varpd_files_t));
+}
+
+static void
+varpd_files_lookup(void *arg, varpd_query_handle_t *qh,
+    const overlay_targ_lookup_t *otl, overlay_target_point_t *otp)
+{
+	char macstr[ETHERADDRSTRL], *ipstr;
+	nvlist_t *nvl;
+	varpd_files_t *vaf = arg;
+	int32_t port;
+	static const uint8_t bcast[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+
+	/* We don't support a default */
+	if (otl == NULL) {
+		libvarpd_plugin_query_reply(qh, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	if (otl->otl_sap == ETHERTYPE_ARP) {
+		libvarpd_plugin_proxy_arp(vaf->vaf_hdl, qh, otl);
+		return;
+	}
+
+	if (otl->otl_sap == ETHERTYPE_IPV6 &&
+	    otl->otl_dstaddr[0] == 0x33 &&
+	    otl->otl_dstaddr[1] == 0x33) {
+		libvarpd_plugin_proxy_ndp(vaf->vaf_hdl, qh, otl);
+		return;
+	}
+
+	if (otl->otl_sap == ETHERTYPE_IP &&
+	    bcmp(otl->otl_dstaddr, bcast, ETHERADDRL) == 0) {
+		char *mac;
+		struct ether_addr a, *addr;
+
+		addr = &a;
+		if (ether_ntoa_r((struct ether_addr *)otl->otl_srcaddr,
+		    macstr) == NULL) {
+			libvarpd_plugin_query_reply(qh, VARPD_LOOKUP_DROP);
+			return;
+		}
+
+		if (nvlist_lookup_nvlist(vaf->vaf_nvl, macstr, &nvl) != 0) {
+			libvarpd_plugin_query_reply(qh, VARPD_LOOKUP_DROP);
+			return;
+		}
+
+		if (nvlist_lookup_string(nvl, "dhcp-proxy", &mac) != 0) {
+			libvarpd_plugin_query_reply(qh, VARPD_LOOKUP_DROP);
+			return;
+		}
+
+		if (ether_aton_r(mac, addr) == NULL) {
+			libvarpd_plugin_query_reply(qh, VARPD_LOOKUP_DROP);
+			return;
+		}
+
+		libvarpd_plugin_proxy_dhcp(vaf->vaf_hdl, qh, otl);
+		return;
+	}
+
+	if (ether_ntoa_r((struct ether_addr *)otl->otl_dstaddr,
+	    macstr) == NULL) {
+		libvarpd_plugin_query_reply(qh, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	if (nvlist_lookup_nvlist(vaf->vaf_nvl, macstr, &nvl) != 0) {
+		libvarpd_plugin_query_reply(qh, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	if (nvlist_lookup_int32(nvl, "port", &port) != 0) {
+		libvarpd_plugin_query_reply(qh, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	if (port <= 0 || port > UINT16_MAX) {
+		libvarpd_plugin_query_reply(qh, VARPD_LOOKUP_DROP);
+		return;
+	}
+	otp->otp_port = port;
+
+	if (nvlist_lookup_string(nvl, "ip", &ipstr) != 0) {
+		libvarpd_plugin_query_reply(qh, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	/*
+	 * Try to parse it as a v6 address and then if it's not, try to
+	 * transform it into a v4 address which we'll then wrap it into a v4
+	 * mapped address.
+	 */
+	if (inet_pton(AF_INET6, ipstr, &otp->otp_ip) != 1) {
+		uint32_t v4;
+		if (inet_pton(AF_INET, ipstr, &v4) != 1) {
+			libvarpd_plugin_query_reply(qh, VARPD_LOOKUP_DROP);
+			return;
+		}
+		IN6_IPADDR_TO_V4MAPPED(v4, &otp->otp_ip);
+	}
+
+	libvarpd_plugin_query_reply(qh, VARPD_LOOKUP_OK);
+}
+
+/* ARGSUSED */
+static int
+varpd_files_nprops(void *arg, uint_t *nprops)
+{
+	*nprops = 1;
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+varpd_files_propinfo(void *arg, uint_t propid, varpd_prop_handle_t *vph)
+{
+	if (propid != 0)
+		return (EINVAL);
+
+	libvarpd_prop_set_name(vph, varpd_files_props[0]);
+	libvarpd_prop_set_prot(vph, OVERLAY_PROP_PERM_RRW);
+	libvarpd_prop_set_type(vph, OVERLAY_PROP_T_STRING);
+	libvarpd_prop_set_nodefault(vph);
+	return (0);
+}
+
+static int
+varpd_files_getprop(void *arg, const char *pname, void *buf, uint32_t *sizep)
+{
+	varpd_files_t *vaf = arg;
+
+	if (strcmp(pname, varpd_files_props[0]) != 0)
+		return (EINVAL);
+
+	if (vaf->vaf_path != NULL) {
+		size_t len = strlen(vaf->vaf_path) + 1;
+		if (*sizep < len)
+			return (EOVERFLOW);
+		*sizep = len;
+		(void) strlcpy(buf, vaf->vaf_path, *sizep);
+
+	} else {
+		*sizep = 0;
+	}
+
+	return (0);
+}
+
+static int
+varpd_files_setprop(void *arg, const char *pname, const void *buf,
+    const uint32_t size)
+{
+	varpd_files_t *vaf = arg;
+
+	if (strcmp(pname, varpd_files_props[0]) != 0)
+		return (EINVAL);
+
+	if (vaf->vaf_path != NULL)
+		umem_free(vaf->vaf_path, strlen(vaf->vaf_path) + 1);
+
+	vaf->vaf_path = umem_alloc(size, UMEM_DEFAULT);
+	if (vaf->vaf_path == NULL)
+		return (ENOMEM);
+	(void) strlcpy(vaf->vaf_path, buf, size);
+	return (0);
+}
+
+static int
+varpd_files_save(void *arg, nvlist_t *nvp)
+{
+	int ret;
+	varpd_files_t *vaf = arg;
+
+	if (vaf->vaf_path == NULL)
+		return (0);
+
+	if ((ret = nvlist_add_string(nvp, varpd_files_props[0],
+	    vaf->vaf_path)) != 0)
+		return (ret);
+
+	if ((ret = nvlist_add_uint64(nvp, "files/vaf_nmisses",
+	    vaf->vaf_nmisses)) != 0)
+		return (ret);
+
+	if ((ret = nvlist_add_uint64(nvp, "files/vaf_narp",
+	    vaf->vaf_narp)) != 0)
+		return (ret);
+	return (0);
+}
+
+static int
+varpd_files_restore(nvlist_t *nvp, varpd_provider_handle_t *hdl,
+    overlay_plugin_dest_t dest, void **outp)
+{
+	varpd_files_t *vaf;
+	char *str;
+	int ret;
+	uint64_t nmisses, narp;
+
+	if (varpd_files_valid_dest(dest) == B_FALSE)
+		return (EINVAL);
+
+	ret = nvlist_lookup_string(nvp, varpd_files_props[0], &str);
+	if (ret != 0 && ret != ENOENT)
+		return (ret);
+	else if (ret == ENOENT)
+		str = NULL;
+
+	if (nvlist_lookup_uint64(nvp, "files/vaf_nmisses", &nmisses) != 0)
+		return (EINVAL);
+	if (nvlist_lookup_uint64(nvp, "files/vaf_narp", &narp) != 0)
+		return (EINVAL);
+
+	vaf = umem_alloc(sizeof (varpd_files_t), UMEM_DEFAULT);
+	if (vaf == NULL)
+		return (ENOMEM);
+
+	bzero(vaf, sizeof (varpd_files_t));
+	vaf->vaf_dest = dest;
+	if (str != NULL) {
+		size_t len = strlen(str) + 1;
+		vaf->vaf_path = umem_alloc(len, UMEM_DEFAULT);
+		if (vaf->vaf_path == NULL) {
+			umem_free(vaf, sizeof (varpd_files_t));
+			return (ENOMEM);
+		}
+		(void) strlcpy(vaf->vaf_path, str, len);
+	}
+
+	vaf->vaf_hdl = hdl;
+	*outp = vaf;
+	return (0);
+}
+
+static void
+varpd_files_proxy_arp(void *arg, varpd_arp_handle_t *vah, int kind,
+    const struct sockaddr *sock, uint8_t *out)
+{
+	varpd_files_t *vaf = arg;
+	const struct sockaddr_in *ip;
+	const struct sockaddr_in6 *ip6;
+	nvpair_t *pair;
+
+	if (kind != VARPD_QTYPE_ETHERNET) {
+		libvarpd_plugin_arp_reply(vah, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	if (sock->sa_family != AF_INET && sock->sa_family != AF_INET6) {
+		libvarpd_plugin_arp_reply(vah, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	ip = (const struct sockaddr_in *)sock;
+	ip6 = (const struct sockaddr_in6 *)sock;
+	for (pair = nvlist_next_nvpair(vaf->vaf_nvl, NULL); pair != NULL;
+	    pair = nvlist_next_nvpair(vaf->vaf_nvl, pair)) {
+		char *mac, *ipstr;
+		nvlist_t *data;
+		struct in_addr ia;
+		struct in6_addr ia6;
+		struct ether_addr ether, *e;
+		e = &ether;
+
+		if (nvpair_type(pair) != DATA_TYPE_NVLIST)
+			continue;
+
+		mac = nvpair_name(pair);
+		if (nvpair_value_nvlist(pair, &data) != 0)
+			continue;
+
+
+		if (sock->sa_family == AF_INET) {
+			if (nvlist_lookup_string(data, "arp", &ipstr) != 0)
+				continue;
+
+			if (inet_pton(AF_INET, ipstr, &ia) != 1)
+				continue;
+
+			if (bcmp(&ia, &ip->sin_addr,
+			    sizeof (struct in_addr)) != 0)
+				continue;
+		} else {
+			if (nvlist_lookup_string(data, "ndp", &ipstr) != 0)
+				continue;
+
+			if (inet_pton(AF_INET6, ipstr, &ia6) != 1)
+				continue;
+
+			if (bcmp(&ia6, &ip6->sin6_addr,
+			    sizeof (struct in6_addr)) != 0)
+				continue;
+		}
+
+		if (ether_aton_r(mac, e) == NULL) {
+			libvarpd_plugin_arp_reply(vah, VARPD_LOOKUP_DROP);
+			return;
+		}
+
+		bcopy(e, out, ETHERADDRL);
+		libvarpd_plugin_arp_reply(vah, VARPD_LOOKUP_OK);
+		return;
+	}
+
+	libvarpd_plugin_arp_reply(vah, VARPD_LOOKUP_DROP);
+}
+
+static void
+varpd_files_proxy_dhcp(void *arg, varpd_dhcp_handle_t *vdh, int type,
+    const overlay_targ_lookup_t *otl, uint8_t *out)
+{
+	varpd_files_t *vaf = arg;
+	nvlist_t *nvl;
+	char macstr[ETHERADDRSTRL], *mac;
+	struct ether_addr a, *addr;
+
+	addr = &a;
+	if (type != VARPD_QTYPE_ETHERNET) {
+		libvarpd_plugin_dhcp_reply(vdh, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	if (ether_ntoa_r((struct ether_addr *)otl->otl_srcaddr,
+	    macstr) == NULL) {
+		libvarpd_plugin_dhcp_reply(vdh, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	if (nvlist_lookup_nvlist(vaf->vaf_nvl, macstr, &nvl) != 0) {
+		libvarpd_plugin_dhcp_reply(vdh, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	if (nvlist_lookup_string(nvl, "dhcp-proxy", &mac) != 0) {
+		libvarpd_plugin_dhcp_reply(vdh, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	if (ether_aton_r(mac, addr) == NULL) {
+		libvarpd_plugin_dhcp_reply(vdh, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	bcopy(addr, out, ETHERADDRL);
+	libvarpd_plugin_dhcp_reply(vdh, VARPD_LOOKUP_OK);
+}
+
+static const varpd_plugin_ops_t varpd_files_ops = {
+	0,
+	varpd_files_create,
+	varpd_files_start,
+	varpd_files_stop,
+	varpd_files_destroy,
+	NULL,
+	varpd_files_lookup,
+	varpd_files_nprops,
+	varpd_files_propinfo,
+	varpd_files_getprop,
+	varpd_files_setprop,
+	varpd_files_save,
+	varpd_files_restore,
+	varpd_files_proxy_arp,
+	varpd_files_proxy_dhcp
+};
+
+#pragma init(varpd_files_init)
+static void
+varpd_files_init(void)
+{
+	int err;
+	varpd_plugin_register_t *vpr;
+
+	vpr = libvarpd_plugin_alloc(VARPD_CURRENT_VERSION, &err);
+	if (vpr == NULL)
+		return;
+
+	vpr->vpr_mode = OVERLAY_TARGET_DYNAMIC;
+	vpr->vpr_name = "files";
+	vpr->vpr_ops = &varpd_files_ops;
+	(void) libvarpd_plugin_register(vpr);
+	libvarpd_plugin_free(vpr);
+}
diff --git a/usr/src/lib/varpd/files/common/libvarpd_files_json.c b/usr/src/lib/varpd/files/common/libvarpd_files_json.c
new file mode 100644
index 0000000000..66aaefb29b
--- /dev/null
+++ b/usr/src/lib/varpd/files/common/libvarpd_files_json.c
@@ -0,0 +1,940 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <strings.h>
+#include <errno.h>
+#include <libnvpair.h>
+#include <sys/ccompile.h>
+
+#include "libvarpd_files_json.h"
+
+typedef enum json_type {
+	JSON_TYPE_NOTHING = 0,
+	JSON_TYPE_STRING = 1,
+	JSON_TYPE_INTEGER,
+	JSON_TYPE_DOUBLE,
+	JSON_TYPE_BOOLEAN,
+	JSON_TYPE_NULL,
+	JSON_TYPE_OBJECT,
+	JSON_TYPE_ARRAY
+} json_type_t;
+
+typedef enum parse_state {
+	PARSE_ERROR = -1,
+	PARSE_DONE = 0,
+	PARSE_REST,
+	PARSE_OBJECT,
+	PARSE_KEY_STRING,
+	PARSE_COLON,
+	PARSE_STRING,
+	PARSE_OBJECT_COMMA,
+	PARSE_ARRAY,
+	PARSE_BAREWORD,
+	PARSE_NUMBER,
+	PARSE_ARRAY_VALUE,
+	PARSE_ARRAY_COMMA
+} parse_state_t;
+
+#define	JSON_MARKER		".__json_"
+#define	JSON_MARKER_ARRAY	JSON_MARKER "array"
+
+typedef struct parse_frame {
+	parse_state_t pf_ps;
+	nvlist_t *pf_nvl;
+
+	char *pf_key;
+	void *pf_value;
+	json_type_t pf_value_type;
+	int pf_array_index;
+
+	struct parse_frame *pf_next;
+} parse_frame_t;
+
+typedef struct state {
+	const char *s_in;
+	unsigned long s_pos;
+	unsigned long s_len;
+
+	parse_frame_t *s_top;
+
+	nvlist_parse_json_flags_t s_flags;
+
+	/*
+	 * This string buffer is used for temporary storage by the
+	 * "collect_*()" family of functions.
+	 */
+	custr_t *s_collect;
+
+	int s_errno;
+	custr_t *s_errstr;
+} state_t;
+
+typedef void (*parse_handler_t)(state_t *);
+
+static void
+movestate(state_t *s, parse_state_t ps)
+{
+	if (s->s_flags & NVJSON_DEBUG) {
+		(void) fprintf(stderr, "nvjson: move state %d -> %d\n",
+		    s->s_top->pf_ps, ps);
+	}
+	s->s_top->pf_ps = ps;
+}
+
+static void
+posterror(state_t *s, int erno, const char *error)
+{
+	/*
+	 * If the caller wants error messages printed to stderr, do that
+	 * first.
+	 */
+	if (s->s_flags & NVJSON_ERRORS_TO_STDERR) {
+		(void) fprintf(stderr, "nvjson error (pos %ld, errno %d): %s\n",
+		    s->s_pos, erno, error);
+	}
+
+	/*
+	 * Try and store the error message for the caller.  This may fail if
+	 * the error was related to memory pressure, and that condition still
+	 * exists.
+	 */
+	s->s_errno = erno;
+	if (s->s_errstr != NULL) {
+		(void) custr_append(s->s_errstr, error);
+	}
+
+	movestate(s, PARSE_ERROR);
+}
+
+static int
+pushstate(state_t *s, parse_state_t ps, parse_state_t retps)
+{
+	parse_frame_t *n;
+
+	if (s->s_flags & NVJSON_DEBUG) {
+		(void) fprintf(stderr, "nvjson: push state %d -> %d (ret %d)\n",
+		    s->s_top->pf_ps, ps, retps);
+	}
+
+	if ((n = calloc(1, sizeof (*n))) == NULL) {
+		posterror(s, errno, "pushstate calloc failure");
+		return (-1);
+	}
+
+	/*
+	 * Store the state we'll return to when popping this
+	 * frame:
+	 */
+	s->s_top->pf_ps = retps;
+
+	/*
+	 * Store the initial state for the new frame, and
+	 * put it on top of the stack:
+	 */
+	n->pf_ps = ps;
+	n->pf_value_type = JSON_TYPE_NOTHING;
+
+	n->pf_next = s->s_top;
+	s->s_top = n;
+
+	return (0);
+}
+
+static char
+popchar(state_t *s)
+{
+	if (s->s_pos > s->s_len) {
+		return (0);
+	}
+	return (s->s_in[s->s_pos++]);
+}
+
+static char
+peekchar(state_t *s)
+{
+	if (s->s_pos > s->s_len) {
+		return (0);
+	}
+	return (s->s_in[s->s_pos]);
+}
+
+static void
+discard_whitespace(state_t *s)
+{
+	while (isspace(peekchar(s))) {
+		(void) popchar(s);
+	}
+}
+
+static char *escape_pairs[] = {
+	"\"\"", "\\\\", "//", "b\b", "f\f", "n\n", "r\r", "t\t", NULL
+};
+
+static char
+collect_string_escape(state_t *s)
+{
+	int i;
+	char c = popchar(s);
+
+	if (c == '\0') {
+		posterror(s, EPROTO, "EOF mid-escape sequence");
+		return (-1);
+	}
+
+	/*
+	 * Handle four-digit Unicode escapes up to and including \u007f.
+	 * Strings that cannot be represented as 7-bit clean ASCII are not
+	 * currently supported.
+	 */
+	if (c == 'u') {
+		int res;
+		int ndigs = 0;
+		char digs[5];
+
+		/*
+		 * Deal with 4-digit unicode escape.
+		 */
+		while (ndigs < 4) {
+			if ((digs[ndigs++] = popchar(s)) == '\0') {
+				posterror(s, EPROTO, "EOF mid-escape "
+				    "sequence");
+				return (-1);
+			}
+		}
+		digs[4] = '\0';
+		if ((res = atoi(digs)) > 127) {
+			posterror(s, EPROTO, "unicode escape above 0x7f");
+			return (-1);
+		}
+
+		if (custr_appendc(s->s_collect, res) != 0) {
+			posterror(s, errno, "custr_appendc failure");
+			return (-1);
+		}
+		return (0);
+	}
+
+	/*
+	 * See if this is a C-style escape character we recognise.
+	 */
+	for (i = 0; escape_pairs[i] != NULL; i++) {
+		char *ep = escape_pairs[i];
+		if (ep[0] == c) {
+			if (custr_appendc(s->s_collect, ep[1]) != 0) {
+				posterror(s, errno, "custr_appendc failure");
+				return (-1);
+			}
+			return (0);
+		}
+	}
+
+	posterror(s, EPROTO, "unrecognised escape sequence");
+	return (-1);
+}
+
+static int
+collect_string(state_t *s)
+{
+	custr_reset(s->s_collect);
+
+	for (;;) {
+		char c;
+
+		switch (c = popchar(s)) {
+		case '"':
+			/*
+			 * Legal End of String.
+			 */
+			return (0);
+
+		case '\0':
+			posterror(s, EPROTO, "EOF mid-string");
+			return (-1);
+
+		case '\\':
+			/*
+			 * Escape Characters and Sequences.
+			 */
+			if (collect_string_escape(s) != 0) {
+				return (-1);
+			}
+			break;
+
+		default:
+			if (custr_appendc(s->s_collect, c) != 0) {
+				posterror(s, errno, "custr_appendc failure");
+				return (-1);
+			}
+			break;
+		}
+	}
+}
+
+static int
+collect_bareword(state_t *s)
+{
+	custr_reset(s->s_collect);
+
+	for (;;) {
+		if (!islower(peekchar(s))) {
+			return (0);
+		}
+
+		if (custr_appendc(s->s_collect, popchar(s)) != 0) {
+			posterror(s, errno, "custr_appendc failure");
+			return (-1);
+		}
+	}
+}
+
+static void
+hdlr_bareword(state_t *s)
+{
+	const char *str;
+
+	if (collect_bareword(s) != 0) {
+		return;
+	}
+
+	if ((str = custr_cstr(s->s_collect)) != NULL) {
+		abort();
+	}
+	if (strcmp(str, "true") == 0) {
+		s->s_top->pf_value_type = JSON_TYPE_BOOLEAN;
+		s->s_top->pf_value = (void *)B_TRUE;
+	} else if (strcmp(str, "false") == 0) {
+		s->s_top->pf_value_type = JSON_TYPE_BOOLEAN;
+		s->s_top->pf_value = (void *)B_FALSE;
+	} else if (strcmp(str, "null") == 0) {
+		s->s_top->pf_value_type = JSON_TYPE_NULL;
+	} else {
+		posterror(s, EPROTO, "expected 'true', 'false' or 'null'");
+		return;
+	}
+
+	movestate(s, PARSE_DONE);
+}
+
+/* ARGSUSED */
+static int
+collect_number(state_t *s, boolean_t *isint, int32_t *result,
+    double *fresult __GNU_UNUSED)
+{
+	boolean_t neg = B_FALSE;
+	int t;
+
+	custr_reset(s->s_collect);
+
+	if (peekchar(s) == '-') {
+		neg = B_TRUE;
+		(void) popchar(s);
+	}
+	/*
+	 * Read the 'int' portion:
+	 */
+	if (!isdigit(peekchar(s))) {
+		posterror(s, EPROTO, "malformed number: expected digit (0-9)");
+		return (-1);
+	}
+	for (;;) {
+		if (!isdigit(peekchar(s))) {
+			break;
+		}
+		if (custr_appendc(s->s_collect, popchar(s)) != 0) {
+			posterror(s, errno, "custr_append failure");
+			return (-1);
+		}
+	}
+	if (peekchar(s) == '.' || peekchar(s) == 'e' || peekchar(s) == 'E') {
+		posterror(s, ENOTSUP, "do not yet support FRACs or EXPs");
+		return (-1);
+	}
+
+	t = atoi(custr_cstr(s->s_collect));
+
+	*isint = B_TRUE;
+	*result = (neg == B_TRUE) ? (-t) : t;
+	return (0);
+}
+
+static void
+hdlr_number(state_t *s)
+{
+	boolean_t isint;
+	int32_t result;
+	double fresult;
+
+	if (collect_number(s, &isint, &result, &fresult) != 0) {
+		return;
+	}
+
+	if (isint == B_TRUE) {
+		s->s_top->pf_value = (void *)(uintptr_t)result;
+		s->s_top->pf_value_type = JSON_TYPE_INTEGER;
+	} else {
+		s->s_top->pf_value = malloc(sizeof (fresult));
+		bcopy(&fresult, s->s_top->pf_value, sizeof (fresult));
+		s->s_top->pf_value_type = JSON_TYPE_DOUBLE;
+	}
+
+	movestate(s, PARSE_DONE);
+}
+
+static void
+hdlr_rest(state_t *s)
+{
+	char c;
+	discard_whitespace(s);
+	c = popchar(s);
+	switch (c) {
+	case '{':
+		movestate(s, PARSE_OBJECT);
+		return;
+
+	case '[':
+		movestate(s, PARSE_ARRAY);
+		return;
+
+	default:
+		posterror(s, EPROTO, "EOF before object or array");
+		return;
+	}
+}
+
+static int
+add_empty_child(state_t *s)
+{
+	/*
+	 * Here, we create an empty nvlist to represent this object
+	 * or array:
+	 */
+	nvlist_t *empty;
+	if (nvlist_alloc(&empty, NV_UNIQUE_NAME, 0) != 0) {
+		posterror(s, errno, "nvlist_alloc failure");
+		return (-1);
+	}
+	if (s->s_top->pf_next != NULL) {
+		/*
+		 * If we're a child of the frame above, we store ourselves in
+		 * that frame's nvlist:
+		 */
+		nvlist_t *nvl = s->s_top->pf_next->pf_nvl;
+		char *key = s->s_top->pf_next->pf_key;
+
+		if (nvlist_add_nvlist(nvl, key, empty) != 0) {
+			posterror(s, errno, "nvlist_add_nvlist failure");
+			nvlist_free(empty);
+			return (-1);
+		}
+		nvlist_free(empty);
+		if (nvlist_lookup_nvlist(nvl, key, &empty) != 0) {
+			posterror(s, errno, "nvlist_lookup_nvlist failure");
+			return (-1);
+		}
+	}
+	s->s_top->pf_nvl = empty;
+	return (0);
+}
+
+static int
+decorate_array(state_t *s)
+{
+	int idx = s->s_top->pf_array_index;
+	/*
+	 * When we are done creating an array, we store a 'length'
+	 * property on it, as well as an internal-use marker value.
+	 */
+	if (nvlist_add_boolean(s->s_top->pf_nvl, JSON_MARKER_ARRAY) != 0 ||
+	    nvlist_add_uint32(s->s_top->pf_nvl, "length", idx) != 0) {
+		posterror(s, errno, "nvlist_add failure");
+		return (-1);
+	}
+
+	return (0);
+}
+
+static void
+hdlr_array(state_t *s)
+{
+	s->s_top->pf_value_type = JSON_TYPE_ARRAY;
+
+	if (add_empty_child(s) != 0) {
+		return;
+	}
+
+	discard_whitespace(s);
+
+	switch (peekchar(s)) {
+	case ']':
+		(void) popchar(s);
+
+		if (decorate_array(s) != 0) {
+			return;
+		}
+
+		movestate(s, PARSE_DONE);
+		return;
+
+	default:
+		movestate(s, PARSE_ARRAY_VALUE);
+		return;
+	}
+}
+
+static void
+hdlr_array_comma(state_t *s)
+{
+	discard_whitespace(s);
+
+	switch (popchar(s)) {
+	case ']':
+		if (decorate_array(s) != 0) {
+			return;
+		}
+
+		movestate(s, PARSE_DONE);
+		return;
+	case ',':
+		movestate(s, PARSE_ARRAY_VALUE);
+		return;
+	default:
+		posterror(s, EPROTO, "expected ',' or ']'");
+		return;
+	}
+}
+
+static void
+hdlr_array_value(state_t *s)
+{
+	char c;
+
+	/*
+	 * Generate keyname from the next array index:
+	 */
+	if (s->s_top->pf_key != NULL) {
+		(void) fprintf(stderr, "pf_key not null! was %s\n",
+		    s->s_top->pf_key);
+		abort();
+	}
+
+	if (asprintf(&s->s_top->pf_key, "%d", s->s_top->pf_array_index++) < 0) {
+		posterror(s, errno, "asprintf failure");
+		return;
+	}
+
+	discard_whitespace(s);
+
+	/*
+	 * Select which type handler we need for the next value:
+	 */
+	switch (c = peekchar(s)) {
+	case '"':
+		(void) popchar(s);
+		(void) pushstate(s, PARSE_STRING, PARSE_ARRAY_COMMA);
+		return;
+
+	case '{':
+		(void) popchar(s);
+		(void) pushstate(s, PARSE_OBJECT, PARSE_ARRAY_COMMA);
+		return;
+
+	case '[':
+		(void) popchar(s);
+		(void) pushstate(s, PARSE_ARRAY, PARSE_ARRAY_COMMA);
+		return;
+
+	default:
+		if (islower(c)) {
+			(void) pushstate(s, PARSE_BAREWORD,
+			    PARSE_ARRAY_COMMA);
+			return;
+		} else if (c == '-' || isdigit(c)) {
+			(void) pushstate(s, PARSE_NUMBER, PARSE_ARRAY_COMMA);
+			return;
+		} else {
+			posterror(s, EPROTO, "unexpected character at start "
+			    "of value");
+			return;
+		}
+	}
+}
+
+static void
+hdlr_object(state_t *s)
+{
+	s->s_top->pf_value_type = JSON_TYPE_OBJECT;
+
+	if (add_empty_child(s) != 0) {
+		return;
+	}
+
+	discard_whitespace(s);
+
+	switch (popchar(s)) {
+	case '}':
+		movestate(s, PARSE_DONE);
+		return;
+
+	case '"':
+		movestate(s, PARSE_KEY_STRING);
+		return;
+
+	default:
+		posterror(s, EPROTO, "expected key or '}'");
+		return;
+	}
+}
+
+static void
+hdlr_key_string(state_t *s)
+{
+	if (collect_string(s) != 0) {
+		return;
+	}
+
+	/*
+	 * Record the key name of the next value.
+	 */
+	if ((s->s_top->pf_key = strdup(custr_cstr(s->s_collect))) == NULL) {
+		posterror(s, errno, "strdup failure");
+		return;
+	}
+
+	movestate(s, PARSE_COLON);
+}
+
+static void
+hdlr_colon(state_t *s)
+{
+	char c;
+	discard_whitespace(s);
+
+	if ((c = popchar(s)) != ':') {
+		posterror(s, EPROTO, "expected ':'");
+		return;
+	}
+
+	discard_whitespace(s);
+
+	/*
+	 * Select which type handler we need for the value after the colon:
+	 */
+	switch (c = peekchar(s)) {
+	case '"':
+		(void) popchar(s);
+		(void) pushstate(s, PARSE_STRING, PARSE_OBJECT_COMMA);
+		return;
+
+	case '{':
+		(void) popchar(s);
+		(void) pushstate(s, PARSE_OBJECT, PARSE_OBJECT_COMMA);
+		return;
+
+	case '[':
+		(void) popchar(s);
+		(void) pushstate(s, PARSE_ARRAY, PARSE_OBJECT_COMMA);
+		return;
+
+	default:
+		if (islower(c)) {
+			(void) pushstate(s, PARSE_BAREWORD, PARSE_OBJECT_COMMA);
+			return;
+		} else if (c == '-' || isdigit(c)) {
+			(void) pushstate(s, PARSE_NUMBER, PARSE_OBJECT_COMMA);
+			return;
+		} else {
+			(void) posterror(s, EPROTO, "unexpected character at "
+			    "start of value");
+			return;
+		}
+	}
+}
+
+static void
+hdlr_object_comma(state_t *s)
+{
+	discard_whitespace(s);
+
+	switch (popchar(s)) {
+	case '}':
+		movestate(s, PARSE_DONE);
+		return;
+
+	case ',':
+		discard_whitespace(s);
+		if (popchar(s) != '"') {
+			posterror(s, EPROTO, "expected '\"'");
+			return;
+		}
+		movestate(s, PARSE_KEY_STRING);
+		return;
+
+	default:
+		posterror(s, EPROTO, "expected ',' or '}'");
+		return;
+	}
+}
+
+static void
+hdlr_string(state_t *s)
+{
+	if (collect_string(s) != 0) {
+		return;
+	}
+
+	s->s_top->pf_value_type = JSON_TYPE_STRING;
+	if ((s->s_top->pf_value = strdup(custr_cstr(s->s_collect))) == NULL) {
+		posterror(s, errno, "strdup failure");
+		return;
+	}
+
+	movestate(s, PARSE_DONE);
+}
+
+static int
+store_value(state_t *s)
+{
+	nvlist_t *targ = s->s_top->pf_next->pf_nvl;
+	char *key = s->s_top->pf_next->pf_key;
+	json_type_t type = s->s_top->pf_value_type;
+	int ret = 0;
+
+	switch (type) {
+	case JSON_TYPE_STRING:
+		if (nvlist_add_string(targ, key, s->s_top->pf_value) != 0) {
+			posterror(s, errno, "nvlist_add_string failure");
+			ret = -1;
+		}
+		free(s->s_top->pf_value);
+		break;
+
+	case JSON_TYPE_BOOLEAN:
+		if (nvlist_add_boolean_value(targ, key,
+		    (boolean_t)s->s_top->pf_value) != 0) {
+			posterror(s, errno, "nvlist_add_boolean_value "
+			    "failure");
+			ret = -1;
+		}
+		break;
+
+	case JSON_TYPE_NULL:
+		if (nvlist_add_boolean(targ, key) != 0) {
+			posterror(s, errno, "nvlist_add_boolean failure");
+			ret = -1;
+		}
+		break;
+
+	case JSON_TYPE_INTEGER:
+		if (nvlist_add_int32(targ, key,
+		    (int32_t)(uintptr_t)s->s_top->pf_value) != 0) {
+			posterror(s, errno, "nvlist_add_int32 failure");
+			ret = -1;
+		}
+		break;
+
+	case JSON_TYPE_ARRAY:
+	case JSON_TYPE_OBJECT:
+		/*
+		 * Objects and arrays are already 'stored' in their target
+		 * nvlist on creation. See: hdlr_object, hdlr_array.
+		 */
+		break;
+
+	default:
+		(void) fprintf(stderr, "ERROR: could not store unknown "
+		    "type %d\n", type);
+		abort();
+	}
+
+	s->s_top->pf_value = NULL;
+	free(s->s_top->pf_next->pf_key);
+	s->s_top->pf_next->pf_key = NULL;
+	return (ret);
+}
+
+static parse_frame_t *
+parse_frame_free(parse_frame_t *pf, boolean_t free_nvl)
+{
+	parse_frame_t *next = pf->pf_next;
+	if (pf->pf_key != NULL) {
+		free(pf->pf_key);
+	}
+	if (pf->pf_value != NULL) {
+		abort();
+	}
+	if (free_nvl && pf->pf_nvl != NULL) {
+		nvlist_free(pf->pf_nvl);
+	}
+	free(pf);
+	return (next);
+}
+
+static parse_handler_t hdlrs[] = {
+	NULL,				/* PARSE_DONE */
+	hdlr_rest,			/* PARSE_REST */
+	hdlr_object,			/* PARSE_OBJECT */
+	hdlr_key_string,		/* PARSE_KEY_STRING */
+	hdlr_colon,			/* PARSE_COLON */
+	hdlr_string,			/* PARSE_STRING */
+	hdlr_object_comma,		/* PARSE_OBJECT_COMMA */
+	hdlr_array,			/* PARSE_ARRAY */
+	hdlr_bareword,			/* PARSE_BAREWORD */
+	hdlr_number,			/* PARSE_NUMBER */
+	hdlr_array_value,		/* PARSE_ARRAY_VALUE */
+	hdlr_array_comma		/* PARSE_ARRAY_COMMA */
+};
+#define	NUM_PARSE_HANDLERS	(int)(sizeof (hdlrs) / sizeof (hdlrs[0]))
+
+int
+nvlist_parse_json(const char *buf, size_t buflen, nvlist_t **nvlp,
+    nvlist_parse_json_flags_t flag, nvlist_parse_json_error_t *errout)
+{
+	state_t s;
+
+	/*
+	 * Check for valid flags:
+	 */
+	if ((flag & NVJSON_FORCE_INTEGER) && (flag & NVJSON_FORCE_DOUBLE)) {
+		errno = EINVAL;
+		return (-1);
+	}
+	if ((flag & ~NVJSON_ALL) != 0) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	/*
+	 * Initialise parsing state structure:
+	 */
+	bzero(&s, sizeof (s));
+	s.s_in = buf;
+	s.s_pos = 0;
+	s.s_len = buflen;
+	s.s_flags = flag;
+
+	/*
+	 * Allocate the collect buffer string and ensure it is backed by at
+	 * least some string memory.
+	 */
+	if (custr_alloc(&s.s_collect) != 0 ||
+	    custr_append(s.s_collect, "") != 0) {
+		s.s_errno = errno;
+		if (errout != NULL) {
+			(void) snprintf(errout->nje_message,
+			    sizeof (errout->nje_message),
+			    "custr alloc failure: %s",
+			    strerror(errno));
+		}
+		goto out;
+	}
+
+	/*
+	 * If the caller has requested error information, allocate the error
+	 * string now.
+	 */
+	if (errout != NULL) {
+		if (custr_alloc_buf(&s.s_errstr, errout->nje_message,
+		    sizeof (errout->nje_message)) != 0) {
+			s.s_errno = errno;
+			(void) snprintf(errout->nje_message,
+			    sizeof (errout->nje_message),
+			    "custr alloc failure: %s",
+			    strerror(errno));
+			goto out;
+		}
+		custr_reset(s.s_errstr);
+	}
+
+	/*
+	 * Allocate top-most stack frame:
+	 */
+	if ((s.s_top = calloc(1, sizeof (*s.s_top))) == NULL) {
+		s.s_errno = errno;
+		goto out;
+	}
+
+	s.s_top->pf_ps = PARSE_REST;
+	for (;;) {
+		if (s.s_top->pf_ps < 0) {
+			/*
+			 * The parser reported an error.
+			 */
+			goto out;
+		}
+
+		if (s.s_top->pf_ps == PARSE_DONE) {
+			if (s.s_top->pf_next == NULL) {
+				/*
+				 * Last frame, so we're really
+				 * done.
+				 */
+				*nvlp = s.s_top->pf_nvl;
+				goto out;
+			} else {
+				/*
+				 * Otherwise, pop a frame and continue in
+				 * previous state.  Copy out the value we
+				 * created in the old frame:
+				 */
+				if (store_value(&s) != 0) {
+					goto out;
+				}
+
+				/*
+				 * Free old frame:
+				 */
+				s.s_top = parse_frame_free(s.s_top, B_FALSE);
+			}
+		}
+
+		/*
+		 * Dispatch to parser handler routine for this state:
+		 */
+		if (s.s_top->pf_ps >= NUM_PARSE_HANDLERS ||
+		    hdlrs[s.s_top->pf_ps] == NULL) {
+			(void) fprintf(stderr, "no handler for state %d\n",
+			    s.s_top->pf_ps);
+			abort();
+		}
+		hdlrs[s.s_top->pf_ps](&s);
+	}
+
+out:
+	if (errout != NULL) {
+		/*
+		 * Copy out error number and parse position.  The custr_t for
+		 * the error message was backed by the buffer in the error
+		 * object, so no copying is required.
+		 */
+		errout->nje_errno = s.s_errno;
+		errout->nje_pos = s.s_pos;
+	}
+
+	/*
+	 * Free resources:
+	 */
+	while (s.s_top != NULL) {
+		s.s_top = parse_frame_free(s.s_top, s.s_errno == 0 ? B_FALSE :
+		    B_TRUE);
+	}
+	custr_free(s.s_collect);
+	custr_free(s.s_errstr);
+
+	errno = s.s_errno;
+	return (s.s_errno == 0 ? 0 : -1);
+}
diff --git a/usr/src/lib/varpd/files/common/libvarpd_files_json.h b/usr/src/lib/varpd/files/common/libvarpd_files_json.h
new file mode 100644
index 0000000000..27506e22d6
--- /dev/null
+++ b/usr/src/lib/varpd/files/common/libvarpd_files_json.h
@@ -0,0 +1,52 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef	_LIBVARPD_FILES_JSON_H
+#define	_LIBVARPD_FILES_JSON_H
+
+#include <libnvpair.h>
+#include <libcmdutils.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum nvlist_parse_json_flags {
+	NVJSON_FORCE_INTEGER = 0x01,
+	NVJSON_FORCE_DOUBLE = 0x02,
+	NVJSON_ERRORS_TO_STDERR = 0x04,
+	NVJSON_DEBUG = 0x08
+} nvlist_parse_json_flags_t;
+
+typedef struct nvlist_parse_json_error {
+	int nje_errno;
+	long nje_pos;
+	char nje_message[512];
+} nvlist_parse_json_error_t;
+
+#define	NVJSON_ALL						\
+	(NVJSON_FORCE_INTEGER |					\
+	NVJSON_FORCE_DOUBLE |					\
+	NVJSON_ERRORS_TO_STDERR |				\
+	NVJSON_DEBUG)
+
+extern int nvlist_parse_json(const char *, size_t, nvlist_t **,
+    nvlist_parse_json_flags_t, nvlist_parse_json_error_t *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _LIBVARPD_FILES_JSON_H */
diff --git a/usr/src/lib/varpd/files/common/llib-lvarpd_files b/usr/src/lib/varpd/files/common/llib-lvarpd_files
new file mode 100644
index 0000000000..03c34f4fcb
--- /dev/null
+++ b/usr/src/lib/varpd/files/common/llib-lvarpd_files
@@ -0,0 +1,18 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/* LINTLIBRARY */
+/* PROTOLIB1 */
+
diff --git a/usr/src/lib/varpd/files/common/mapfile-vers b/usr/src/lib/varpd/files/common/mapfile-vers
new file mode 100644
index 0000000000..6b7c5a5067
--- /dev/null
+++ b/usr/src/lib/varpd/files/common/mapfile-vers
@@ -0,0 +1,35 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+SYMBOL_VERSION SUNWprivate {
+    local:
+	*;
+};
diff --git a/usr/src/lib/varpd/files/i386/Makefile b/usr/src/lib/varpd/files/i386/Makefile
new file mode 100644
index 0000000000..f2b4f63da5
--- /dev/null
+++ b/usr/src/lib/varpd/files/i386/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/varpd/files/sparc/Makefile b/usr/src/lib/varpd/files/sparc/Makefile
new file mode 100644
index 0000000000..f2b4f63da5
--- /dev/null
+++ b/usr/src/lib/varpd/files/sparc/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/varpd/files/sparcv9/Makefile b/usr/src/lib/varpd/files/sparcv9/Makefile
new file mode 100644
index 0000000000..d552642882
--- /dev/null
+++ b/usr/src/lib/varpd/files/sparcv9/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+include ../../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/varpd/libvarpd/Makefile b/usr/src/lib/varpd/libvarpd/Makefile
new file mode 100644
index 0000000000..2a4f8f070c
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/Makefile
@@ -0,0 +1,55 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include		../../Makefile.lib
+
+HDRS =		libvarpd.h libvarpd_client.h libvarpd_provider.h
+HDRDIR =	common
+SUBDIRS =	$(MACH)
+$(BUILD64)SUBDIRS +=	$(MACH64)
+
+TYPECHECK_LIB =	libvarpd.so.1
+TYPELIST = \
+	varpd_client_instance_arg_t \
+	varpd_client_nprops_arg_t \
+	varpd_client_propinfo_arg_t \
+	varpd_client_eresp_t \
+	varpd_persist_header_t \
+	overlay_targ_cache_entry_t \
+	overlay_targ_cache_t \
+	overlay_targ_cache_iter_t
+
+all :=		TARGET = all
+clean :=	TARGET = clean
+clobber :=	TARGET = clobber
+install :=	TARGET = install
+lint :=		TARGET = lint
+
+.KEEP_STATE:
+
+all clean clobber lint: $(SUBDIRS)
+
+install: 	$(SUBDIRS) $(VARPD_MAPFILES) install_h
+
+install_h: 	$(ROOTHDRS)
+
+check:		$(CHECKHDRS) $(TYPECHECK)
+
+$(SUBDIRS):  FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
+
+include ../../Makefile.targ
diff --git a/usr/src/lib/varpd/libvarpd/Makefile.com b/usr/src/lib/varpd/libvarpd/Makefile.com
new file mode 100644
index 0000000000..1521f83f8f
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/Makefile.com
@@ -0,0 +1,53 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+LIBRARY =	libvarpd.a
+VERS =		.1
+OBJECTS =	libvarpd.o \
+		libvarpd_arp.o \
+		libvarpd_client.o \
+		libvarpd_door.o \
+		libvarpd_overlay.o \
+		libvarpd_panic.o \
+		libvarpd_persist.o \
+		libvarpd_prop.o \
+		libvarpd_plugin.o \
+		libvarpd_util.o
+
+include ../../../Makefile.lib
+
+LIBS =		$(DYNLIB) $(LINTLIB)
+LDLIBS +=	-lc -lavl -lumem -lidspace -lnvpair -lmd5 -lrename \
+		-lbunyan
+CPPFLAGS +=	-I../common
+
+CERRWARN +=	-erroff=E_STRUCT_DERIVED_FROM_FLEX_MBR
+LINTFLAGS +=	-erroff=E_STRUCT_DERIVED_FROM_FLEX_MBR \
+		-erroff=E_BAD_PTR_CAST_ALIGN
+LINTFLAGS64  +=	-erroff=E_STRUCT_DERIVED_FROM_FLEX_MBR \
+		-erroff=E_BAD_PTR_CAST_ALIGN
+
+C99MODE=	-xc99=%all
+C99LMODE=	-Xc99=%all
+
+SRCDIR =	../common
+
+.KEEP_STATE:
+
+all:	$(LIBS)
+
+lint:	lintcheck
+
+include ../../../Makefile.targ
diff --git a/usr/src/lib/varpd/libvarpd/amd64/Makefile b/usr/src/lib/varpd/libvarpd/amd64/Makefile
new file mode 100644
index 0000000000..d552642882
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/amd64/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+include ../../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/varpd/libvarpd/common/libvarpd.c b/usr/src/lib/varpd/libvarpd/common/libvarpd.c
new file mode 100644
index 0000000000..62bf9cc14c
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/libvarpd.c
@@ -0,0 +1,357 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * varpd library
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <umem.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/avl.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <strings.h>
+
+#include <libvarpd_impl.h>
+
+static int
+libvarpd_instance_comparator(const void *lp, const void *rp)
+{
+	const varpd_instance_t *lpp, *rpp;
+	lpp = lp;
+	rpp = rp;
+
+	if (lpp->vri_id > rpp->vri_id)
+		return (1);
+	if (lpp->vri_id < rpp->vri_id)
+		return (-1);
+	return (0);
+}
+
+static int
+libvarpd_instance_lcomparator(const void *lp, const void *rp)
+{
+	const varpd_instance_t *lpp, *rpp;
+	lpp = lp;
+	rpp = rp;
+
+	if (lpp->vri_linkid > rpp->vri_linkid)
+		return (1);
+	if (lpp->vri_linkid < rpp->vri_linkid)
+		return (-1);
+	return (0);
+}
+
+int
+libvarpd_create(varpd_handle_t **vphp)
+{
+	int ret;
+	varpd_impl_t *vip;
+	char buf[32];
+
+	if (vphp == NULL)
+		return (EINVAL);
+
+	*vphp = NULL;
+	vip = umem_alloc(sizeof (varpd_impl_t), UMEM_DEFAULT);
+	if (vip == NULL)
+		return (errno);
+
+	bzero(vip, sizeof (varpd_impl_t));
+	(void) snprintf(buf, sizeof (buf), "varpd_%p", vip);
+	vip->vdi_idspace = id_space_create(buf, LIBVARPD_ID_MIN,
+	    LIBVARPD_ID_MAX);
+	if (vip->vdi_idspace == NULL) {
+		int ret = errno;
+		umem_free(vip, sizeof (varpd_impl_t));
+		return (ret);
+	}
+
+	vip->vdi_qcache = umem_cache_create("query", sizeof (varpd_query_t), 0,
+	    NULL, NULL, NULL, NULL, NULL, 0);
+	if (vip->vdi_qcache == NULL) {
+		int ret = errno;
+		id_space_destroy(vip->vdi_idspace);
+		umem_free(vip, sizeof (varpd_impl_t));
+		return (ret);
+	}
+
+	if ((ret = libvarpd_overlay_init(vip)) != 0) {
+		umem_cache_destroy(vip->vdi_qcache);
+		id_space_destroy(vip->vdi_idspace);
+		umem_free(vip, sizeof (varpd_impl_t));
+		return (ret);
+	}
+
+	if ((ret = bunyan_init("varpd", &vip->vdi_bunyan)) != 0) {
+		libvarpd_overlay_fini(vip);
+		umem_cache_destroy(vip->vdi_qcache);
+		id_space_destroy(vip->vdi_idspace);
+		umem_free(vip, sizeof (varpd_impl_t));
+		return (ret);
+	}
+
+	libvarpd_persist_init(vip);
+
+	avl_create(&vip->vdi_plugins, libvarpd_plugin_comparator,
+	    sizeof (varpd_plugin_t), offsetof(varpd_plugin_t, vpp_node));
+
+	avl_create(&vip->vdi_instances, libvarpd_instance_comparator,
+	    sizeof (varpd_instance_t), offsetof(varpd_instance_t, vri_inode));
+	avl_create(&vip->vdi_linstances, libvarpd_instance_lcomparator,
+	    sizeof (varpd_instance_t), offsetof(varpd_instance_t, vri_lnode));
+
+	if (mutex_init(&vip->vdi_lock, USYNC_THREAD, NULL) != 0)
+		libvarpd_panic("failed to create mutex: %d", errno);
+
+	vip->vdi_doorfd = -1;
+	*vphp = (varpd_handle_t *)vip;
+	return (0);
+}
+
+void
+libvarpd_destroy(varpd_handle_t *vhp)
+{
+	varpd_impl_t *vip = (varpd_impl_t *)vhp;
+
+	if (mutex_destroy(&vip->vdi_lock) != 0)
+		libvarpd_panic("failed to destroy mutex: %d", errno);
+	libvarpd_persist_fini(vip);
+	libvarpd_overlay_fini(vip);
+	umem_cache_destroy(vip->vdi_qcache);
+	id_space_destroy(vip->vdi_idspace);
+	umem_free(vip, sizeof (varpd_impl_t));
+}
+
+int
+libvarpd_instance_create(varpd_handle_t *vhp, datalink_id_t linkid,
+    const char *pname, varpd_instance_handle_t **outp)
+{
+	int ret;
+	varpd_impl_t *vip = (varpd_impl_t *)vhp;
+	varpd_plugin_t *plugin;
+	varpd_instance_t *inst, lookup;
+	overlay_plugin_dest_t dest;
+	uint64_t vid;
+
+	/*
+	 * We should really have our own errnos.
+	 */
+	plugin = libvarpd_plugin_lookup(vip, pname);
+	if (plugin == NULL)
+		return (ENOENT);
+
+	if ((ret = libvarpd_overlay_info(vip, linkid, &dest, NULL, &vid)) != 0)
+		return (ret);
+
+	inst = umem_alloc(sizeof (varpd_instance_t), UMEM_DEFAULT);
+	if (inst == NULL)
+		return (ENOMEM);
+
+	inst->vri_id = id_alloc(vip->vdi_idspace);
+	if (inst->vri_id == -1)
+		libvarpd_panic("failed to allocate id from vdi_idspace: %d",
+		    errno);
+	inst->vri_linkid = linkid;
+	inst->vri_vnetid = vid;
+	inst->vri_mode = plugin->vpp_mode;
+	inst->vri_dest = dest;
+	inst->vri_plugin = plugin;
+	inst->vri_impl = vip;
+	inst->vri_flags = 0;
+	if ((ret = plugin->vpp_ops->vpo_create((varpd_provider_handle_t *)inst,
+	    &inst->vri_private, dest)) != 0) {
+		id_free(vip->vdi_idspace, inst->vri_id);
+		umem_free(inst, sizeof (varpd_instance_t));
+		return (ret);
+	}
+
+	if (mutex_init(&inst->vri_lock, USYNC_THREAD, NULL) != 0)
+		libvarpd_panic("failed to create mutex: %d", errno);
+
+	(void) mutex_lock(&vip->vdi_lock);
+	lookup.vri_id = inst->vri_id;
+	if (avl_find(&vip->vdi_instances, &lookup, NULL) != NULL)
+		libvarpd_panic("found duplicate instance with id %d",
+		    lookup.vri_id);
+	avl_add(&vip->vdi_instances, inst);
+	lookup.vri_linkid = inst->vri_linkid;
+	if (avl_find(&vip->vdi_linstances, &lookup, NULL) != NULL)
+		libvarpd_panic("found duplicate linstance with id %d",
+		    lookup.vri_linkid);
+	avl_add(&vip->vdi_linstances, inst);
+	(void) mutex_unlock(&vip->vdi_lock);
+	*outp = (varpd_instance_handle_t *)inst;
+	return (0);
+}
+
+uint64_t
+libvarpd_instance_id(varpd_instance_handle_t *ihp)
+{
+	varpd_instance_t *inst = (varpd_instance_t *)ihp;
+	return (inst->vri_id);
+}
+
+uint64_t
+libvarpd_plugin_vnetid(varpd_provider_handle_t *vhp)
+{
+	varpd_instance_t *inst = (varpd_instance_t *)vhp;
+	return (inst->vri_vnetid);
+}
+
+varpd_instance_handle_t *
+libvarpd_instance_lookup(varpd_handle_t *vhp, uint64_t id)
+{
+	varpd_impl_t *vip = (varpd_impl_t *)vhp;
+	varpd_instance_t lookup, *retp;
+
+	lookup.vri_id = id;
+	(void) mutex_lock(&vip->vdi_lock);
+	retp = avl_find(&vip->vdi_instances, &lookup, NULL);
+	(void) mutex_unlock(&vip->vdi_lock);
+	return ((varpd_instance_handle_t *)retp);
+}
+
+/*
+ * If this function becomes external to varpd, we need to change it to return a
+ * varpd_instance_handle_t.
+ */
+varpd_instance_t *
+libvarpd_instance_lookup_by_dlid(varpd_impl_t *vip, datalink_id_t linkid)
+{
+	varpd_instance_t lookup, *retp;
+
+	lookup.vri_linkid = linkid;
+	(void) mutex_lock(&vip->vdi_lock);
+	retp = avl_find(&vip->vdi_linstances, &lookup, NULL);
+	(void) mutex_unlock(&vip->vdi_lock);
+	return (retp);
+}
+
+/*
+ * When an instance is being destroyed, that means we should deactivate it, as
+ * well as clean it up. That means here, the proper order is calling the plug-in
+ * stop and then the destroy function.
+ */
+void
+libvarpd_instance_destroy(varpd_instance_handle_t *ihp)
+{
+	varpd_instance_t *inst = (varpd_instance_t *)ihp;
+	varpd_impl_t *vip = inst->vri_impl;
+
+	/*
+	 * First things first, remove it from global visibility.
+	 */
+	(void) mutex_lock(&vip->vdi_lock);
+	avl_remove(&vip->vdi_instances, inst);
+	avl_remove(&vip->vdi_linstances, inst);
+	(void) mutex_unlock(&vip->vdi_lock);
+
+	(void) mutex_lock(&inst->vri_lock);
+
+	/*
+	 * We need to clean up this instance, that means remove it from
+	 * persistence and stopping it. Then finally we'll have to clean it up
+	 * entirely.
+	 */
+	if (inst->vri_flags & VARPD_INSTANCE_F_ACTIVATED) {
+		inst->vri_flags &= ~VARPD_INSTANCE_F_ACTIVATED;
+		libvarpd_torch_instance(vip, inst);
+		inst->vri_plugin->vpp_ops->vpo_stop(inst->vri_private);
+		inst->vri_plugin->vpp_ops->vpo_destroy(inst->vri_private);
+		inst->vri_private = NULL;
+	}
+	(void) mutex_unlock(&inst->vri_lock);
+
+	/* Do the full clean up of the instance */
+	if (mutex_destroy(&inst->vri_lock) != 0)
+		libvarpd_panic("failed to destroy instance vri_lock");
+	id_free(vip->vdi_idspace, inst->vri_id);
+	umem_free(inst, sizeof (varpd_instance_t));
+}
+
+int
+libvarpd_instance_activate(varpd_instance_handle_t *ihp)
+{
+	int ret;
+	varpd_instance_t *inst = (varpd_instance_t *)ihp;
+
+	(void) mutex_lock(&inst->vri_lock);
+
+	if (inst->vri_flags & VARPD_INSTANCE_F_ACTIVATED) {
+		ret = EEXIST;
+		goto out;
+	}
+
+	if ((ret = inst->vri_plugin->vpp_ops->vpo_start(inst->vri_private)) !=
+	    0)
+		goto out;
+
+	if ((ret = libvarpd_persist_instance(inst->vri_impl, inst)) != 0)
+		goto out;
+
+	/*
+	 * If this fails, we don't need to call stop, as the caller should end
+	 * up calling destroy on the instance, which takes care of calling stop
+	 * and destroy.
+	 */
+	if ((ret = libvarpd_overlay_associate(inst)) != 0)
+		goto out;
+
+	inst->vri_flags |= VARPD_INSTANCE_F_ACTIVATED;
+
+out:
+	(void) mutex_unlock(&inst->vri_lock);
+	return (ret);
+}
+
+const bunyan_logger_t *
+libvarpd_plugin_bunyan(varpd_provider_handle_t *vhp)
+{
+	varpd_instance_t *inst = (varpd_instance_t *)vhp;
+	return (inst->vri_impl->vdi_bunyan);
+}
+
+static void
+libvarpd_prefork(void)
+{
+	libvarpd_plugin_prefork();
+}
+
+static void
+libvarpd_postfork(void)
+{
+	libvarpd_plugin_postfork();
+}
+
+#pragma init(libvarpd_init)
+static void
+libvarpd_init(void)
+{
+	libvarpd_plugin_init();
+	if (pthread_atfork(libvarpd_prefork, libvarpd_postfork,
+	    libvarpd_postfork) != 0)
+		libvarpd_panic("failed to create varpd atfork: %d", errno);
+}
+
+#pragma fini(libvarpd_fini)
+static void
+libvarpd_fini(void)
+{
+	libvarpd_plugin_fini();
+}
diff --git a/usr/src/lib/varpd/libvarpd/common/libvarpd.h b/usr/src/lib/varpd/libvarpd/common/libvarpd.h
new file mode 100644
index 0000000000..aaf78e2ca6
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/libvarpd.h
@@ -0,0 +1,77 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _LIBVARPD_H
+#define	_LIBVARPD_H
+
+/*
+ * varpd interfaces
+ */
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <sys/mac.h>
+#include <libvarpd_client.h>
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct __varpd_handle varpd_handle_t;
+typedef struct __varpd_prop_handle varpd_prop_handle_t;
+typedef struct __varpd_instance_handle varpd_instance_handle_t;
+
+extern int libvarpd_create(varpd_handle_t **);
+extern void libvarpd_destroy(varpd_handle_t *);
+
+extern int libvarpd_persist_enable(varpd_handle_t *, const char *);
+extern int libvarpd_persist_restore(varpd_handle_t *);
+extern int libvarpd_persist_disable(varpd_handle_t *);
+
+extern int libvarpd_instance_create(varpd_handle_t *, datalink_id_t,
+    const char *, varpd_instance_handle_t **);
+extern uint64_t libvarpd_instance_id(varpd_instance_handle_t *);
+extern varpd_instance_handle_t *libvarpd_instance_lookup(varpd_handle_t *,
+    uint64_t);
+extern void libvarpd_instance_destroy(varpd_instance_handle_t *);
+extern int libvarpd_instance_activate(varpd_instance_handle_t *);
+
+extern int libvarpd_plugin_load(varpd_handle_t *, const char *);
+typedef int (*libvarpd_plugin_walk_f)(varpd_handle_t *, const char *, void *);
+extern int libvarpd_plugin_walk(varpd_handle_t *, libvarpd_plugin_walk_f,
+    void *);
+
+extern int libvarpd_prop_handle_alloc(varpd_handle_t *,
+    varpd_instance_handle_t *, varpd_prop_handle_t **);
+extern void libvarpd_prop_handle_free(varpd_prop_handle_t *);
+extern int libvarpd_prop_nprops(varpd_instance_handle_t *, uint_t *);
+extern int libvarpd_prop_info_fill(varpd_prop_handle_t *, uint_t);
+extern int libvarpd_prop_info(varpd_prop_handle_t *, const char **, uint_t *,
+    uint_t *, const void **, uint32_t *, const mac_propval_range_t **);
+extern int libvarpd_prop_get(varpd_prop_handle_t *, void *, uint32_t *);
+extern int libvarpd_prop_set(varpd_prop_handle_t *, const void *, uint32_t);
+
+extern int libvarpd_door_server_create(varpd_handle_t *, const char *);
+extern void libvarpd_door_server_destroy(varpd_handle_t *);
+
+extern void libvarpd_overlay_lookup_run(varpd_handle_t *);
+extern void libvarpd_overlay_lookup_quiesce(varpd_handle_t *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBVARPD_H */
diff --git a/usr/src/lib/varpd/libvarpd/common/libvarpd_arp.c b/usr/src/lib/varpd/libvarpd/common/libvarpd_arp.c
new file mode 100644
index 0000000000..a16c5b8cf7
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/libvarpd_arp.c
@@ -0,0 +1,650 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * Common routines for implmeenting proxy arp
+ */
+
+#include <sys/types.h>
+#include <net/if.h>
+#include <netinet/if_ether.h>
+#include <netinet/ip.h>
+#include <netinet/ip6.h>
+#include <netinet/icmp6.h>
+#include <netinet/udp.h>
+#include <netinet/dhcp.h>
+#include <libvarpd_impl.h>
+#include <sys/vlan.h>
+#include <strings.h>
+#include <assert.h>
+
+#define	IPV6_VERSION	6
+
+typedef struct varpd_arp_query {
+	int				vaq_type;
+	char				vaq_buf[ETHERMAX + VLAN_TAGSZ];
+	size_t				vaq_bsize;
+	uint8_t				vaq_lookup[ETHERADDRL];
+	struct sockaddr_storage		vaq_sock;
+	varpd_instance_t		*vaq_inst;
+	struct ether_arp		*vaq_ea;
+	varpd_query_handle_t		*vaq_query;
+	const overlay_targ_lookup_t	*vaq_otl;
+	ip6_t				*vaq_ip6;
+	nd_neighbor_solicit_t 		*vaq_ns;
+} varpd_arp_query_t;
+
+typedef struct varpd_dhcp_query {
+	char				vdq_buf[ETHERMAX + VLAN_TAGSZ];
+	size_t				vdq_bsize;
+	uint8_t				vdq_lookup[ETHERADDRL];
+	const overlay_targ_lookup_t	*vdq_otl;
+	varpd_instance_t		*vdq_inst;
+	varpd_query_handle_t		*vdq_query;
+	struct ether_header		*vdq_ether;
+} varpd_dhcp_query_t;
+
+static const uint8_t libvarpd_arp_bcast[6] = { 0xff, 0xff, 0xff, 0xff, 0xff,
+	    0xff };
+
+void
+libvarpd_plugin_proxy_arp(varpd_provider_handle_t *hdl,
+    varpd_query_handle_t *vqh, const overlay_targ_lookup_t *otl)
+{
+	varpd_arp_query_t *vaq;
+	varpd_instance_t *inst = (varpd_instance_t *)hdl;
+	struct ether_arp *ea;
+	struct sockaddr_in *ip;
+
+	vaq = umem_alloc(sizeof (varpd_arp_query_t), UMEM_DEFAULT);
+	if (vaq == NULL) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		return;
+	}
+	vaq->vaq_bsize = sizeof (vaq->vaq_buf);
+
+	if (otl->otl_sap != ETHERTYPE_ARP) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	/*
+	 * An ARP packet should not be very large because it's definited to only
+	 * be allowed to have a single entry at a given time. But our data must
+	 * be at least as large as an ether_arp and our header must be at least
+	 * as large as a standard ethernet header.
+	 */
+	if (otl->otl_hdrsize + otl->otl_pktsize > vaq->vaq_bsize ||
+	    otl->otl_pktsize < sizeof (struct ether_arp) ||
+	    otl->otl_hdrsize < sizeof (struct ether_header)) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	if (libvarpd_overlay_packet(inst->vri_impl, otl, vaq->vaq_buf,
+	    &vaq->vaq_bsize) != 0) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	if (otl->otl_hdrsize + otl->otl_pktsize < vaq->vaq_bsize) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	ea = (void *)((uintptr_t)vaq->vaq_buf + (uintptr_t)otl->otl_hdrsize);
+
+	/*
+	 * Make sure it matches something that we know about.
+	 */
+	if (ntohs(ea->ea_hdr.ar_hrd) != ARPHRD_ETHER ||
+	    ntohs(ea->ea_hdr.ar_pro) != ETHERTYPE_IP ||
+	    ea->ea_hdr.ar_hln != ETHERADDRL ||
+	    ea->ea_hdr.ar_pln != sizeof (ea->arp_spa) ||
+	    ntohs(ea->ea_hdr.ar_op) != ARPOP_REQUEST) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	/*
+	 * Now that we've verified that our data is sane, see if we're doing a
+	 * gratuitous arp and if so, drop it. Otherwise, we may end up
+	 * triggering duplicate address detection.
+	 */
+	if (bcmp(ea->arp_spa, ea->arp_tpa, sizeof (ea->arp_spa)) == 0) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	bzero(&vaq->vaq_sock, sizeof (struct sockaddr_storage));
+	ip = (struct sockaddr_in *)&vaq->vaq_sock;
+	ip->sin_family = AF_INET;
+	bcopy(ea->arp_tpa, &ip->sin_addr, sizeof (ea->arp_tpa));
+
+	vaq->vaq_type = AF_INET;
+	vaq->vaq_inst = inst;
+	vaq->vaq_ea = ea;
+	vaq->vaq_query = vqh;
+	vaq->vaq_otl = otl;
+
+	if (inst->vri_plugin->vpp_ops->vpo_arp == NULL)
+		libvarpd_panic("%s plugin asked to do arp, but has no method",
+		    inst->vri_plugin->vpp_name);
+
+	inst->vri_plugin->vpp_ops->vpo_arp(inst->vri_private,
+	    (varpd_arp_handle_t *)vaq, VARPD_QTYPE_ETHERNET,
+	    (struct sockaddr *)ip, vaq->vaq_lookup);
+}
+
+static void
+libvarpd_proxy_arp_fini(varpd_arp_query_t *vaq)
+{
+	struct ether_header *ether;
+	struct sockaddr_in *ip;
+
+	ip = (struct sockaddr_in *)&vaq->vaq_sock;
+	/*
+	 * Modify our packet in place for a reply. We need to swap around the
+	 * sender and target addresses.
+	 */
+	vaq->vaq_ea->ea_hdr.ar_op = htons(ARPOP_REPLY);
+	bcopy(vaq->vaq_ea->arp_sha, vaq->vaq_ea->arp_tha, ETHERADDRL);
+	bcopy(vaq->vaq_lookup, vaq->vaq_ea->arp_sha, ETHERADDRL);
+	bcopy(vaq->vaq_ea->arp_spa, &ip->sin_addr,
+	    sizeof (vaq->vaq_ea->arp_spa));
+	bcopy(vaq->vaq_ea->arp_tpa, vaq->vaq_ea->arp_spa,
+	    sizeof (vaq->vaq_ea->arp_spa));
+	bcopy(&ip->sin_addr, vaq->vaq_ea->arp_tpa,
+	    sizeof (vaq->vaq_ea->arp_spa));
+
+	/*
+	 * Finally go ahead and fix up the mac header and reply to the sender
+	 * explicitly.
+	 */
+	ether = (struct ether_header *)vaq->vaq_buf;
+	bcopy(&ether->ether_shost, &ether->ether_dhost, ETHERADDRL);
+	bcopy(vaq->vaq_lookup, &ether->ether_shost, ETHERADDRL);
+
+	(void) libvarpd_overlay_inject(vaq->vaq_inst->vri_impl, vaq->vaq_otl,
+	    vaq->vaq_buf, vaq->vaq_bsize);
+
+	libvarpd_plugin_query_reply(vaq->vaq_query, VARPD_LOOKUP_DROP);
+	umem_free(vaq, sizeof (varpd_arp_query_t));
+}
+
+static uint16_t
+libvarpd_icmpv6_checksum(const ip6_t *v6hdr, const uint16_t *buf, uint16_t mlen)
+{
+	int i;
+	uint16_t *v;
+	uint32_t sum = 0;
+
+	assert(mlen % 2 == 0);
+	v = (uint16_t *)&v6hdr->ip6_src;
+	for (i = 0; i < sizeof (struct in6_addr); i += 2, v++)
+		sum += *v;
+	v = (uint16_t *)&v6hdr->ip6_dst;
+	for (i = 0; i < sizeof (struct in6_addr); i += 2, v++)
+		sum += *v;
+	sum += htons(mlen);
+#ifdef _BIG_ENDIAN
+	sum += IPPROTO_ICMPV6;
+#else
+	sum += IPPROTO_ICMPV6 << 8;
+#endif	/* _BIG_ENDIAN */
+
+	for (i = 0; i < mlen; i += 2, buf++)
+		sum += *buf;
+
+	while ((sum >> 16) != 0)
+		sum = (sum & 0xffff) + (sum >> 16);
+
+	return (sum & 0xffff);
+}
+
+/*
+ * Proxying NDP is much more involved than proxying ARP. For starters, NDP
+ * neighbor solicitations are implemented in terms of IPv6 ICMP as opposed to
+ * its own Ethertype. Therefore, we're going to have to grab a packet if it's a
+ * multicast packet and then determine if we actually want to do anything with
+ * it.
+ */
+void
+libvarpd_plugin_proxy_ndp(varpd_provider_handle_t *hdl,
+    varpd_query_handle_t *vqh, const overlay_targ_lookup_t *otl)
+{
+	size_t bsize, plen;
+	varpd_arp_query_t *vaq;
+	ip6_t *v6hdr;
+	nd_neighbor_solicit_t *ns;
+	nd_opt_hdr_t *opt;
+	struct sockaddr_in6 *s6;
+
+	varpd_instance_t *inst = (varpd_instance_t *)hdl;
+	uint8_t *eth = NULL;
+
+	vaq = umem_alloc(sizeof (varpd_arp_query_t), UMEM_DEFAULT);
+	if (vaq == NULL) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		return;
+	}
+	vaq->vaq_bsize = sizeof (vaq->vaq_buf);
+
+	if (otl->otl_dstaddr[0] != 0x33 ||
+	    otl->otl_dstaddr[1] != 0x33) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	/*
+	 * If we have more than a standard frame size for the ICMP neighbor
+	 * solicitation, drop it. Similarly if there isn't enough data present
+	 * for us, drop it.
+	 */
+	if (otl->otl_hdrsize + otl->otl_pktsize > vaq->vaq_bsize) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	if (otl->otl_pktsize < sizeof (ip6_t) +
+	    sizeof (nd_neighbor_solicit_t)) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	if (libvarpd_overlay_packet(inst->vri_impl, otl, vaq->vaq_buf,
+	    &vaq->vaq_bsize) != 0) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	bsize = vaq->vaq_bsize;
+	bsize -= otl->otl_hdrsize;
+	assert(bsize > sizeof (ip6_t));
+
+	v6hdr = (ip6_t *)(vaq->vaq_buf + otl->otl_hdrsize);
+	if (((v6hdr->ip6_vfc & 0xf0) >> 4) != IPV6_VERSION) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	if (v6hdr->ip6_nxt != IPPROTO_ICMPV6) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	/*
+	 * In addition to getting these requests on the multicast address for
+	 * node solicitation, we may also end up getting them on a generic
+	 * multicast address due to timeouts or other choices by various OSes.
+	 * We should fairly liberal and accept both, even though the standard
+	 * wants them to a solicitation address.
+	 */
+	if (!IN6_IS_ADDR_MC_SOLICITEDNODE(&v6hdr->ip6_dst) &&
+	    !IN6_IS_ADDR_MC_LINKLOCAL(&v6hdr->ip6_dst)) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	bsize -= sizeof (ip6_t);
+	plen = ntohs(v6hdr->ip6_plen);
+	if (bsize < plen) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	/*
+	 * Now we know that this is an ICMPv6 request targetting the right
+	 * IPv6 multicast prefix. Let's go through and verify that ICMPv6
+	 * indicates that we have the real thing and ensure that per RFC 4861
+	 * the target address is not a multicast address. Further, because this
+	 * is a multicast on Ethernet, we must have a source link-layer address.
+	 *
+	 * We should probably enforce that we have a valid ICMP checksum at some
+	 * point.
+	 */
+	ns = (nd_neighbor_solicit_t *)(vaq->vaq_buf + otl->otl_hdrsize +
+	    sizeof (ip6_t));
+	if (ns->nd_ns_type != ND_NEIGHBOR_SOLICIT && ns->nd_ns_code != 0) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	if (IN6_IS_ADDR_MULTICAST(&ns->nd_ns_target) ||
+	    IN6_IS_ADDR_V4MAPPED(&ns->nd_ns_target) ||
+	    IN6_IS_ADDR_LOOPBACK(&ns->nd_ns_target)) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	plen -= sizeof (nd_neighbor_solicit_t);
+	opt = (nd_opt_hdr_t *)(ns+1);
+	while (plen >= sizeof (struct nd_opt_hdr)) {
+		/* If we have an option with no lenght, that's clear bogus */
+		if (opt->nd_opt_len == 0) {
+			libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+			umem_free(vaq, sizeof (varpd_arp_query_t));
+			return;
+		}
+
+		if (opt->nd_opt_type == ND_OPT_SOURCE_LINKADDR) {
+			eth = (uint8_t *)((uintptr_t)opt +
+			    sizeof (nd_opt_hdr_t));
+		}
+		plen -= opt->nd_opt_len * 8;
+		opt = (nd_opt_hdr_t *)((uintptr_t)opt +
+		    opt->nd_opt_len * 8);
+	}
+
+	if (eth == NULL) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	}
+
+	bzero(&vaq->vaq_sock, sizeof (struct sockaddr_storage));
+	s6 = (struct sockaddr_in6 *)&vaq->vaq_sock;
+	s6->sin6_family = AF_INET6;
+	bcopy(&ns->nd_ns_target, &s6->sin6_addr, sizeof (s6->sin6_addr));
+
+	if (inst->vri_plugin->vpp_ops->vpo_arp == NULL)
+		libvarpd_panic("%s plugin asked to do arp, but has no method",
+		    inst->vri_plugin->vpp_name);
+
+	vaq->vaq_type = AF_INET6;
+	vaq->vaq_inst = inst;
+	vaq->vaq_ea = NULL;
+	vaq->vaq_query = vqh;
+	vaq->vaq_otl = otl;
+	vaq->vaq_ns = ns;
+	vaq->vaq_ip6 = v6hdr;
+	inst->vri_plugin->vpp_ops->vpo_arp(inst->vri_private,
+	    (varpd_arp_handle_t *)vaq,  VARPD_QTYPE_ETHERNET,
+	    (struct sockaddr *)s6, vaq->vaq_lookup);
+}
+
+static void
+libvarpd_proxy_ndp_fini(varpd_arp_query_t *vaq)
+{
+	char resp[ETHERMAX + VLAN_TAGSZ];
+	struct ether_header *ether;
+	nd_neighbor_advert_t *na;
+	nd_opt_hdr_t *opt;
+	ip6_t *v6hdr;
+	size_t roff = 0;
+
+	/*
+	 * Now we need to assemble an RA as a response. Unlike with arp, we opt
+	 * to use a new packet just to make things a bit simpler saner here.
+	 */
+	v6hdr = vaq->vaq_ip6;
+	bcopy(vaq->vaq_buf, resp, vaq->vaq_otl->otl_hdrsize);
+	ether = (struct ether_header *)resp;
+	bcopy(&ether->ether_shost, &ether->ether_dhost, ETHERADDRL);
+	bcopy(vaq->vaq_lookup, &ether->ether_shost, ETHERADDRL);
+	roff += vaq->vaq_otl->otl_hdrsize;
+	bcopy(v6hdr, resp + roff, sizeof (ip6_t));
+	v6hdr = (ip6_t *)(resp + roff);
+	bcopy(&v6hdr->ip6_src, &v6hdr->ip6_dst, sizeof (struct in6_addr));
+	bcopy(&vaq->vaq_ns->nd_ns_target, &v6hdr->ip6_src,
+	    sizeof (struct in6_addr));
+	roff += sizeof (ip6_t);
+	na = (nd_neighbor_advert_t *)(resp + roff);
+	na->nd_na_type = ND_NEIGHBOR_ADVERT;
+	na->nd_na_code = 0;
+	/*
+	 * RFC 4443 defines that we should set the checksum to zero before we
+	 * calculate the checksumat we should set the checksum to zero before we
+	 * calculate it.
+	 */
+	na->nd_na_cksum = 0;
+	/*
+	 * Nota bene, the header <netinet/icmp6.h> has already transformed this
+	 * into the appropriate host order. Don't use htonl.
+	 */
+	na->nd_na_flags_reserved = ND_NA_FLAG_SOLICITED | ND_NA_FLAG_OVERRIDE;
+	bcopy(&vaq->vaq_ns->nd_ns_target, &na->nd_na_target,
+	    sizeof (struct in6_addr));
+	roff += sizeof (nd_neighbor_advert_t);
+
+	opt = (nd_opt_hdr_t *)(resp + roff);
+	opt->nd_opt_type = ND_OPT_TARGET_LINKADDR;
+	opt->nd_opt_len = 1;
+	roff += sizeof (nd_opt_hdr_t);
+	bcopy(vaq->vaq_lookup, resp + roff, ETHERADDRL);
+	roff += ETHERADDRL;
+
+	/*
+	 * Now that we've filled in the packet, go back and compute the checksum
+	 * and fill in the IPv6 payload size.
+	 */
+	v6hdr->ip6_plen = htons(roff - sizeof (ip6_t) -
+	    vaq->vaq_otl->otl_hdrsize);
+	na->nd_na_cksum = ~libvarpd_icmpv6_checksum(v6hdr, (uint16_t *)na,
+	    ntohs(v6hdr->ip6_plen)) & 0xffff;
+
+	(void) libvarpd_overlay_inject(vaq->vaq_inst->vri_impl, vaq->vaq_otl,
+	    resp, roff);
+
+	libvarpd_plugin_query_reply(vaq->vaq_query, VARPD_LOOKUP_DROP);
+	umem_free(vaq, sizeof (varpd_arp_query_t));
+}
+
+void
+libvarpd_plugin_arp_reply(varpd_arp_handle_t *vah, int action)
+{
+	varpd_arp_query_t *vaq = (varpd_arp_query_t *)vah;
+
+	if (vaq == NULL)
+		libvarpd_panic("unknown plugin passed invalid "
+		    "varpd_arp_handle_t");
+
+	if (action == VARPD_LOOKUP_DROP) {
+		libvarpd_plugin_query_reply(vaq->vaq_query, VARPD_LOOKUP_DROP);
+		umem_free(vaq, sizeof (varpd_arp_query_t));
+		return;
+	} else if (action != VARPD_LOOKUP_OK)
+		libvarpd_panic("%s plugin returned invalid action %d",
+		    vaq->vaq_inst->vri_plugin->vpp_name, action);
+
+	switch (vaq->vaq_type) {
+	case AF_INET:
+		libvarpd_proxy_arp_fini(vaq);
+		break;
+	case AF_INET6:
+		libvarpd_proxy_ndp_fini(vaq);
+		break;
+	default:
+		libvarpd_panic("encountered unknown vaq_type: %d",
+		    vaq->vaq_type);
+	}
+}
+
+void
+libvarpd_plugin_proxy_dhcp(varpd_provider_handle_t *hdl,
+    varpd_query_handle_t *vqh, const overlay_targ_lookup_t *otl)
+{
+	varpd_dhcp_query_t *vdq;
+	struct ether_header *ether;
+	struct ip *ip;
+	struct udphdr *udp;
+	varpd_instance_t *inst = (varpd_instance_t *)hdl;
+
+	vdq = umem_alloc(sizeof (varpd_dhcp_query_t), UMEM_DEFAULT);
+	if (vdq == NULL) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		return;
+	}
+	vdq->vdq_bsize = sizeof (vdq->vdq_buf);
+
+	if (otl->otl_sap != ETHERTYPE_IP) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vdq, sizeof (varpd_dhcp_query_t));
+		return;
+	}
+
+	if (bcmp(otl->otl_dstaddr, libvarpd_arp_bcast, ETHERADDRL) != 0) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vdq, sizeof (varpd_dhcp_query_t));
+		return;
+	}
+
+	if (otl->otl_hdrsize + otl->otl_pktsize > vdq->vdq_bsize ||
+	    otl->otl_pktsize < sizeof (struct ip) + sizeof (struct udphdr) +
+	    sizeof (struct dhcp) ||
+	    otl->otl_hdrsize < sizeof (struct ether_header)) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vdq, sizeof (varpd_dhcp_query_t));
+		return;
+	}
+
+	if (libvarpd_overlay_packet(inst->vri_impl, otl, vdq->vdq_buf,
+	    &vdq->vdq_bsize) != 0) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vdq, sizeof (varpd_dhcp_query_t));
+		return;
+	}
+
+	if (vdq->vdq_bsize != otl->otl_hdrsize + otl->otl_pktsize) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vdq, sizeof (varpd_dhcp_query_t));
+		return;
+	}
+
+	ether = (struct ether_header *)vdq->vdq_buf;
+	ip = (struct ip *)(vdq->vdq_buf + otl->otl_hdrsize);
+
+	if (ip->ip_v != IPVERSION && ip->ip_p != IPPROTO_UDP) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vdq, sizeof (varpd_dhcp_query_t));
+		return;
+	}
+
+	if (otl->otl_hdrsize + ip->ip_hl * 4 + sizeof (struct udphdr) >
+	    vdq->vdq_bsize) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vdq, sizeof (varpd_dhcp_query_t));
+		return;
+	}
+
+	udp = (struct udphdr *)(vdq->vdq_buf + otl->otl_hdrsize +
+	    ip->ip_hl * 4);
+
+	if (ntohs(udp->uh_sport) != IPPORT_BOOTPC ||
+	    ntohs(udp->uh_dport) != IPPORT_BOOTPS) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		umem_free(vdq, sizeof (varpd_dhcp_query_t));
+		return;
+	}
+
+	vdq->vdq_ether = ether;
+	vdq->vdq_inst = inst;
+	vdq->vdq_query = vqh;
+	vdq->vdq_otl = otl;
+
+	if (inst->vri_plugin->vpp_ops->vpo_dhcp == NULL)
+		libvarpd_panic("%s plugin asked to do dhcp, but has no method",
+		    inst->vri_plugin->vpp_name);
+
+	inst->vri_plugin->vpp_ops->vpo_dhcp(inst->vri_private,
+	    (varpd_dhcp_handle_t *)vdq, VARPD_QTYPE_ETHERNET, otl,
+	    vdq->vdq_lookup);
+}
+
+void
+libvarpd_plugin_dhcp_reply(varpd_dhcp_handle_t *vdh, int action)
+{
+	varpd_dhcp_query_t *vdq = (varpd_dhcp_query_t *)vdh;
+
+	if (vdq == NULL)
+		libvarpd_panic("unknown plugin passed invalid "
+		    "varpd_dhcp_handle_t");
+
+	if (action == VARPD_LOOKUP_DROP) {
+		libvarpd_plugin_query_reply(vdq->vdq_query, VARPD_LOOKUP_DROP);
+		umem_free(vdq, sizeof (varpd_dhcp_query_t));
+		return;
+	} else if (action != VARPD_LOOKUP_OK)
+		libvarpd_panic("%s plugin returned invalid action %d",
+		    vdq->vdq_inst->vri_plugin->vpp_name, action);
+
+	bcopy(vdq->vdq_lookup, &vdq->vdq_ether->ether_dhost, ETHERADDRL);
+	(void) libvarpd_overlay_resend(vdq->vdq_inst->vri_impl, vdq->vdq_otl,
+	    vdq->vdq_buf, vdq->vdq_bsize);
+
+	libvarpd_plugin_query_reply(vdq->vdq_query, VARPD_LOOKUP_DROP);
+	umem_free(vdq, sizeof (varpd_dhcp_query_t));
+}
+
+/*
+ * Inject a gratuitious ARP packet to the specified mac address.
+ */
+void
+libvarpd_inject_arp(varpd_provider_handle_t *vph, const uint16_t vlan,
+    const uint8_t *srcmac, const struct in_addr *srcip, const uint8_t *dstmac)
+{
+	char buf[1500];
+	size_t bsize = 0;
+	struct ether_arp *ea;
+	varpd_instance_t *inst = (varpd_instance_t *)vph;
+
+	if (vlan != 0) {
+		struct ether_vlan_header *eh;
+		eh = (struct ether_vlan_header *)(buf + bsize);
+		bsize += sizeof (struct ether_vlan_header);
+		bcopy(dstmac, &eh->ether_dhost, ETHERADDRL);
+		bcopy(srcmac, &eh->ether_shost, ETHERADDRL);
+		eh->ether_tpid = htons(ETHERTYPE_VLAN);
+		eh->ether_tci = htons(VLAN_TCI(0, ETHER_CFI, vlan));
+		eh->ether_type = htons(ETHERTYPE_ARP);
+	} else {
+		struct ether_header *eh;
+		eh = (struct ether_header *)(buf + bsize);
+		bsize += sizeof (struct ether_header);
+		bcopy(dstmac, &eh->ether_dhost, ETHERADDRL);
+		bcopy(srcmac, &eh->ether_shost, ETHERADDRL);
+		eh->ether_type = htons(ETHERTYPE_ARP);
+	}
+
+	ea = (struct ether_arp *)(buf + bsize);
+	bsize += sizeof (struct ether_arp);
+	ea->ea_hdr.ar_hrd = htons(ARPHRD_ETHER);
+	ea->ea_hdr.ar_pro = htons(ETHERTYPE_IP);
+	ea->ea_hdr.ar_hln = ETHERADDRL;
+	ea->ea_hdr.ar_pln = sizeof (struct in_addr);
+	ea->ea_hdr.ar_op = htons(ARPOP_REQUEST);
+	bcopy(srcmac, ea->arp_sha, ETHERADDRL);
+	bcopy(srcip, ea->arp_spa, sizeof (struct in_addr));
+	bcopy(libvarpd_arp_bcast, ea->arp_tha, ETHERADDRL);
+	bcopy(srcip, ea->arp_tpa, sizeof (struct in_addr));
+
+	(void) libvarpd_overlay_instance_inject(inst, buf, bsize);
+}
diff --git a/usr/src/lib/varpd/libvarpd/common/libvarpd_client.c b/usr/src/lib/varpd/libvarpd/common/libvarpd_client.c
new file mode 100644
index 0000000000..b0fa907386
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/libvarpd_client.c
@@ -0,0 +1,626 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * varpd client interfaces
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <umem.h>
+#include <unistd.h>
+#include <string.h>
+#include <strings.h>
+#include <door.h>
+
+#include <libvarpd_impl.h>
+
+typedef struct varpd_client {
+	int vcl_doorfd;
+} varpd_client_t;
+
+typedef struct varpd_client_prop_info {
+	varpd_client_t		*vcprop_client;
+	uint64_t		vcprop_instance;
+	uint_t			vcprop_propid;
+	uint_t			vcprop_type;
+	uint_t			vcprop_prot;
+	uint32_t		vcprop_defsize;
+	uint32_t		vcprop_psize;
+	char			vcprop_name[LIBVARPD_PROP_NAMELEN];
+	uint8_t			vcprop_default[LIBVARPD_PROP_SIZEMAX];
+	uint8_t			vcprop_poss[LIBVARPD_PROP_SIZEMAX];
+} varpd_client_prop_info_t;
+
+static int
+libvarpd_c_door_call(varpd_client_t *client, varpd_client_arg_t *argp,
+    size_t altsize)
+{
+	int ret;
+	door_arg_t darg;
+
+	darg.data_ptr = (char *)argp;
+	darg.desc_ptr = NULL;
+	darg.desc_num = 0;
+	darg.rbuf = (char *)argp;
+	if (altsize != 0) {
+		darg.data_size = altsize;
+		darg.rsize = altsize;
+	} else {
+		darg.data_size = sizeof (varpd_client_arg_t);
+		darg.rsize = sizeof (varpd_client_arg_t);
+	}
+
+	do {
+		ret = door_call(client->vcl_doorfd, &darg);
+	} while (ret != 0 && errno == EINTR);
+	if (ret != 0) {
+		switch (errno) {
+		case E2BIG:
+		case EFAULT:
+		case EINVAL:
+		case ENOTSUP:
+		case EOVERFLOW:
+		case ENFILE:
+			libvarpd_panic("unhandalable errno from door_call: %d",
+			    errno);
+		}
+		ret = errno;
+	}
+
+	return (ret);
+}
+
+int
+libvarpd_c_create(varpd_client_handle_t **chpp, const char *doorname)
+{
+	varpd_client_t *client;
+
+	client = umem_alloc(sizeof (varpd_client_t), UMEM_DEFAULT);
+	if (client == NULL)
+		return (ENOMEM);
+
+	client->vcl_doorfd = open(doorname, O_RDWR);
+	if (client->vcl_doorfd < 0) {
+		int ret = errno;
+		umem_free(client, sizeof (varpd_client_t));
+		return (ret);
+	}
+
+	*chpp = (varpd_client_handle_t *)client;
+	return (0);
+}
+
+void
+libvarpd_c_destroy(varpd_client_handle_t *chp)
+{
+	varpd_client_t *client = (varpd_client_t *)chp;
+	if (close(client->vcl_doorfd) != 0)
+		libvarpd_panic("failed to close door fd %d: %d",
+		    client->vcl_doorfd, errno);
+
+	umem_free(chp, sizeof (varpd_client_handle_t *));
+}
+
+int
+libvarpd_c_instance_create(varpd_client_handle_t *chp, datalink_id_t linkid,
+    const char *search, uint64_t *cidp)
+{
+	int ret;
+	varpd_client_t *client = (varpd_client_t *)chp;
+	varpd_client_arg_t carg;
+	varpd_client_create_arg_t *cap = &carg.vca_un.vca_create;
+
+	if (strlen(search) >= LIBVARPD_PROP_NAMELEN)
+		return (EINVAL);
+	carg.vca_command = VARPD_CLIENT_CREATE;
+	carg.vca_errno = 0;
+	cap->vcca_linkid = linkid;
+	(void) strlcpy(cap->vcca_plugin, search, LIBVARPD_PROP_NAMELEN);
+
+	ret = libvarpd_c_door_call(client, &carg, 0);
+	if (ret != 0)
+		return (ret);
+
+	if (carg.vca_errno != 0)
+		return (carg.vca_errno);
+
+	*cidp = cap->vcca_id;
+
+	return (0);
+}
+
+int
+libvarpd_c_instance_activate(varpd_client_handle_t *chp, uint64_t cid)
+{
+	int ret;
+	varpd_client_t *client = (varpd_client_t *)chp;
+	varpd_client_arg_t carg;
+	varpd_client_instance_arg_t *vciap = &carg.vca_un.vca_instance;
+
+	carg.vca_command = VARPD_CLIENT_ACTIVATE;
+	carg.vca_errno = 0;
+	vciap->vcia_id = cid;
+
+	ret = libvarpd_c_door_call(client, &carg, 0);
+	if (ret != 0)
+		return (ret);
+
+	if (carg.vca_errno != 0)
+		return (carg.vca_errno);
+
+	return (0);
+}
+
+int
+libvarpd_c_instance_destroy(varpd_client_handle_t *chp, uint64_t cid)
+{
+	int ret;
+	varpd_client_t *client = (varpd_client_t *)chp;
+	varpd_client_arg_t carg;
+	varpd_client_instance_arg_t *vciap = &carg.vca_un.vca_instance;
+
+	carg.vca_command = VARPD_CLIENT_DESTROY;
+	carg.vca_errno = 0;
+	vciap->vcia_id = cid;
+
+	ret = libvarpd_c_door_call(client, &carg, 0);
+	if (ret != 0)
+		return (ret);
+
+	if (carg.vca_errno != 0)
+		return (carg.vca_errno);
+
+	return (0);
+}
+
+int
+libvarpd_c_prop_nprops(varpd_client_handle_t *chp, uint64_t cid, uint_t *nprops)
+{
+	int ret;
+	varpd_client_t *client = (varpd_client_t *)chp;
+	varpd_client_arg_t carg;
+	varpd_client_nprops_arg_t *vcnap = &carg.vca_un.vca_nprops;
+
+	carg.vca_command = VARPD_CLIENT_NPROPS;
+	carg.vca_errno = 0;
+	vcnap->vcna_id = cid;
+	vcnap->vcna_nprops = 0;
+
+	ret = libvarpd_c_door_call(client, &carg, 0);
+	if (ret != 0)
+		return (ret);
+
+	if (carg.vca_errno != 0)
+		return (carg.vca_errno);
+	*nprops = vcnap->vcna_nprops;
+	return (0);
+}
+
+int
+libvarpd_c_prop_handle_alloc(varpd_client_handle_t *chp, uint64_t cid,
+    varpd_client_prop_handle_t **phdlp)
+{
+	varpd_client_prop_info_t *infop;
+
+	infop = umem_alloc(sizeof (varpd_client_prop_info_t), UMEM_DEFAULT);
+	if (infop == NULL)
+		return (ENOMEM);
+
+	bzero(infop, sizeof (varpd_client_prop_info_t));
+	infop->vcprop_client = (varpd_client_t *)chp;
+	infop->vcprop_instance = cid;
+	infop->vcprop_propid = UINT_MAX;
+	*phdlp = (varpd_client_prop_handle_t *)infop;
+	return (0);
+}
+
+void
+libvarpd_c_prop_handle_free(varpd_client_prop_handle_t *phdl)
+{
+	umem_free(phdl, sizeof (varpd_client_prop_info_t));
+	phdl = NULL;
+}
+
+static void
+libvarpd_c_prop_info_from_door(varpd_client_prop_info_t *infop,
+    const varpd_client_propinfo_arg_t *vcfap)
+{
+	infop->vcprop_propid = vcfap->vcfa_propid;
+	infop->vcprop_type = vcfap->vcfa_type;
+	infop->vcprop_prot = vcfap->vcfa_prot;
+	infop->vcprop_defsize = vcfap->vcfa_defsize;
+	infop->vcprop_psize = vcfap->vcfa_psize;
+	bcopy(vcfap->vcfa_name, infop->vcprop_name, LIBVARPD_PROP_NAMELEN);
+	bcopy(vcfap->vcfa_default, infop->vcprop_default,
+	    LIBVARPD_PROP_SIZEMAX);
+	bcopy(vcfap->vcfa_poss, infop->vcprop_poss, LIBVARPD_PROP_SIZEMAX);
+}
+
+int
+libvarpd_c_prop_info_fill_by_name(varpd_client_prop_handle_t *phdl,
+    const char *name)
+{
+	int ret;
+	varpd_client_arg_t carg;
+	varpd_client_propinfo_arg_t *vcfap = &carg.vca_un.vca_info;
+	varpd_client_prop_info_t *infop = (varpd_client_prop_info_t *)phdl;
+
+	if (strlen(name) >= LIBVARPD_PROP_NAMELEN)
+		return (EINVAL);
+	bzero(&carg, sizeof (varpd_client_arg_t));
+	carg.vca_command = VARPD_CLIENT_PROPINFO;
+	carg.vca_errno = 0;
+	vcfap->vcfa_id = infop->vcprop_instance;
+	vcfap->vcfa_propid = UINT_MAX;
+	(void) strlcpy(vcfap->vcfa_name, name, LIBVARPD_PROP_NAMELEN);
+
+	ret = libvarpd_c_door_call(infop->vcprop_client, &carg, 0);
+	if (ret != 0)
+		return (ret);
+
+	if (carg.vca_errno != 0)
+		return (carg.vca_errno);
+
+	libvarpd_c_prop_info_from_door(infop, vcfap);
+	return (0);
+}
+
+int
+libvarpd_c_prop_info_fill(varpd_client_prop_handle_t *phdl, uint_t propid)
+{
+	int ret;
+	varpd_client_arg_t carg;
+	varpd_client_propinfo_arg_t *vcfap = &carg.vca_un.vca_info;
+	varpd_client_prop_info_t *infop = (varpd_client_prop_info_t *)phdl;
+
+	bzero(&carg, sizeof (varpd_client_arg_t));
+	carg.vca_command = VARPD_CLIENT_PROPINFO;
+	carg.vca_errno = 0;
+	vcfap->vcfa_id = infop->vcprop_instance;
+	vcfap->vcfa_propid = propid;
+
+	ret = libvarpd_c_door_call(infop->vcprop_client, &carg, 0);
+	if (ret != 0)
+		return (ret);
+
+	if (carg.vca_errno != 0)
+		return (carg.vca_errno);
+
+	libvarpd_c_prop_info_from_door(infop, vcfap);
+	return (0);
+}
+
+int
+libvarpd_c_prop_info(varpd_client_prop_handle_t *phdl, const char **namep,
+    uint_t *typep, uint_t *protp, const void **defp, uint32_t *defsizep,
+    const mac_propval_range_t **possp)
+{
+	varpd_client_prop_info_t *infop = (varpd_client_prop_info_t *)phdl;
+	if (infop->vcprop_propid == UINT_MAX)
+		return (EINVAL);
+
+	if (namep != NULL)
+		*namep = infop->vcprop_name;
+	if (typep != NULL)
+		*typep = infop->vcprop_type;
+	if (protp != NULL)
+		*protp = infop->vcprop_prot;
+	if (defp != NULL)
+		*defp = infop->vcprop_default;
+	if (defsizep != NULL)
+		*defsizep = infop->vcprop_defsize;
+	if (possp != NULL)
+		*possp = (const mac_propval_range_t *)infop->vcprop_poss;
+	return (0);
+}
+
+int
+libvarpd_c_prop_get(varpd_client_prop_handle_t *phdl, void *buf, uint32_t *len)
+{
+	int ret;
+	varpd_client_arg_t carg;
+	varpd_client_prop_arg_t *vcpap = &carg.vca_un.vca_prop;
+	varpd_client_prop_info_t *infop = (varpd_client_prop_info_t *)phdl;
+
+	if (len == NULL || buf == NULL || infop->vcprop_propid == UINT_MAX)
+		return (EINVAL);
+	if (*len < LIBVARPD_PROP_SIZEMAX)
+		return (EOVERFLOW);
+
+	bzero(&carg, sizeof (varpd_client_arg_t));
+	carg.vca_command = VARPD_CLIENT_GETPROP;
+	carg.vca_errno = 0;
+	vcpap->vcpa_id = infop->vcprop_instance;
+	vcpap->vcpa_propid = infop->vcprop_propid;
+
+	ret = libvarpd_c_door_call(infop->vcprop_client, &carg, 0);
+	if (ret != 0)
+		return (ret);
+
+	if (carg.vca_errno != 0)
+		return (carg.vca_errno);
+
+	/*
+	 * If the buffer size is too large then something odd has certainly
+	 * happened here, it means that varpd has gone rogue. In such a case we
+	 * return a rather odd errror, though we don't believe that this should
+	 * generally happen.
+	 */
+	if (vcpap->vcpa_bufsize > LIBVARPD_PROP_SIZEMAX)
+		return (E2BIG);
+
+	bcopy(vcpap->vcpa_buf, buf, vcpap->vcpa_bufsize);
+	*len = vcpap->vcpa_bufsize;
+	return (0);
+}
+
+int
+libvarpd_c_prop_set(varpd_client_prop_handle_t *phdl, const void *buf,
+    uint32_t len)
+{
+	int ret;
+	varpd_client_arg_t carg;
+	varpd_client_prop_arg_t *vcpap = &carg.vca_un.vca_prop;
+	varpd_client_prop_info_t *infop = (varpd_client_prop_info_t *)phdl;
+
+	if (len == NULL || buf == NULL || infop->vcprop_propid == UINT_MAX)
+		return (EINVAL);
+	if (len > LIBVARPD_PROP_SIZEMAX)
+		return (EOVERFLOW);
+
+	carg.vca_command = VARPD_CLIENT_SETPROP;
+	carg.vca_errno = 0;
+	vcpap->vcpa_id = infop->vcprop_instance;
+	vcpap->vcpa_propid = infop->vcprop_propid;
+	vcpap->vcpa_bufsize = len;
+	bcopy(buf, vcpap->vcpa_buf, len);
+
+	ret = libvarpd_c_door_call(infop->vcprop_client, &carg, 0);
+	if (ret != 0)
+		return (ret);
+
+	if (carg.vca_errno != 0)
+		return (carg.vca_errno);
+
+	return (0);
+}
+
+int
+libvarpd_c_instance_lookup(varpd_client_handle_t *chp, datalink_id_t linkid,
+    uint64_t *instp)
+{
+	int ret;
+	varpd_client_arg_t carg;
+	varpd_client_lookup_arg_t *vclap = &carg.vca_un.vca_lookup;
+	varpd_client_t *client = (varpd_client_t *)chp;
+
+	carg.vca_command = VARPD_CLIENT_LOOKUP;
+	carg.vca_errno = 0;
+	vclap->vcla_linkid = linkid;
+	ret = libvarpd_c_door_call(client, &carg, 0);
+	if (ret != 0)
+		return (ret);
+
+	if (carg.vca_errno != 0)
+		return (carg.vca_errno);
+	if (instp != NULL)
+		*instp = vclap->vcla_id;
+
+	return (0);
+}
+
+int
+libvarpd_c_instance_target_mode(varpd_client_handle_t *chp, uint64_t cid,
+    uint_t *dtype, uint_t *mtype)
+{
+	int ret;
+	varpd_client_arg_t carg;
+	varpd_client_target_mode_arg_t *vctmap = &carg.vca_un.vca_mode;
+	varpd_client_t *client = (varpd_client_t *)chp;
+
+	carg.vca_command = VARPD_CLIENT_TARGET_MODE;
+	carg.vca_errno = 0;
+	vctmap->vtma_id = cid;
+	ret = libvarpd_c_door_call(client, &carg, 0);
+	if (ret != 0)
+		return (ret);
+
+	if (carg.vca_errno != 0)
+		return (carg.vca_errno);
+	if (ret == 0) {
+		if (mtype != NULL)
+			*mtype = vctmap->vtma_mode;
+		if (dtype != NULL)
+			*dtype = vctmap->vtma_dest;
+	}
+
+	return (ret);
+}
+
+int
+libvarpd_c_instance_cache_flush(varpd_client_handle_t *chp, uint64_t cid)
+{
+	int ret;
+	varpd_client_arg_t carg;
+	varpd_client_target_cache_arg_t *vctcap = &carg.vca_un.vca_cache;
+	varpd_client_t *client = (varpd_client_t *)chp;
+
+	carg.vca_command = VARPD_CLIENT_CACHE_FLUSH;
+	carg.vca_errno = 0;
+
+	vctcap->vtca_id = cid;
+	ret = libvarpd_c_door_call(client, &carg, 0);
+	if (ret != 0)
+		return (ret);
+
+	if (carg.vca_errno != 0)
+		return (carg.vca_errno);
+
+	return (0);
+}
+
+int
+libvarpd_c_instance_cache_delete(varpd_client_handle_t *chp, uint64_t cid,
+    const struct ether_addr *key)
+{
+	int ret;
+	varpd_client_arg_t carg;
+	varpd_client_target_cache_arg_t *vctcap = &carg.vca_un.vca_cache;
+	varpd_client_t *client = (varpd_client_t *)chp;
+
+	if (key == NULL)
+		return (EINVAL);
+
+	carg.vca_command = VARPD_CLIENT_CACHE_DELETE;
+	carg.vca_errno = 0;
+	vctcap->vtca_id = cid;
+	bcopy(key, vctcap->vtca_key, ETHERADDRL);
+
+	ret = libvarpd_c_door_call(client, &carg, 0);
+	if (ret != 0)
+		return (ret);
+
+	if (carg.vca_errno != 0)
+		return (carg.vca_errno);
+
+	return (0);
+}
+
+int
+libvarpd_c_instance_cache_get(varpd_client_handle_t *chp, uint64_t cid,
+    const struct ether_addr *key, varpd_client_cache_entry_t *entry)
+{
+	int ret;
+	varpd_client_arg_t carg;
+	varpd_client_target_cache_arg_t *vctcap = &carg.vca_un.vca_cache;
+	varpd_client_t *client = (varpd_client_t *)chp;
+
+	if (key == NULL || entry == NULL)
+		return (EINVAL);
+
+	carg.vca_command = VARPD_CLIENT_CACHE_GET;
+	carg.vca_errno = 0;
+	vctcap->vtca_id = cid;
+	bcopy(key, vctcap->vtca_key, ETHERADDRL);
+	bzero(&vctcap->vtca_entry, sizeof (varpd_client_cache_entry_t));
+
+	ret = libvarpd_c_door_call(client, &carg, 0);
+	if (ret != 0)
+		return (ret);
+
+	if (carg.vca_errno != 0)
+		return (carg.vca_errno);
+
+	bcopy(&vctcap->vtca_entry, entry, sizeof (varpd_client_cache_entry_t));
+	return (0);
+}
+
+int
+libvarpd_c_instance_cache_set(varpd_client_handle_t *chp, uint64_t cid,
+    const struct ether_addr *key, const varpd_client_cache_entry_t *entry)
+{
+	int ret;
+	varpd_client_arg_t carg;
+	varpd_client_target_cache_arg_t *vctcap = &carg.vca_un.vca_cache;
+	varpd_client_t *client = (varpd_client_t *)chp;
+
+	if (key == NULL || entry == NULL)
+		return (EINVAL);
+
+	carg.vca_command = VARPD_CLIENT_CACHE_SET;
+	carg.vca_errno = 0;
+	vctcap->vtca_id = cid;
+	bcopy(key, vctcap->vtca_key, ETHERADDRL);
+	bcopy(entry, &vctcap->vtca_entry, sizeof (varpd_client_cache_entry_t));
+
+	ret = libvarpd_c_door_call(client, &carg, 0);
+	if (ret != 0)
+		return (ret);
+
+	if (carg.vca_errno != 0)
+		return (carg.vca_errno);
+
+	return (0);
+}
+
+int
+libvarpd_c_instance_cache_walk(varpd_client_handle_t *chp, uint64_t cid,
+    varpd_client_cache_f func, void *arg)
+{
+	int ret = 0;
+	size_t bufsize = sizeof (varpd_client_arg_t) +
+	    100 * sizeof (varpd_client_cache_entry_t);
+	varpd_client_t *client = (varpd_client_t *)chp;
+	varpd_client_arg_t *cargp;
+	varpd_client_target_walk_arg_t *vctwap;
+
+	/*
+	 * Because the number of entries involved in a walk may be large, we
+	 * dynamically allocate a number of queries to make at a single time.
+	 * This also means that the average door request doesn't inflate by the
+	 * number of entries we want. For now, let's always grab 100 entries in
+	 * a request.
+	 */
+	cargp = umem_zalloc(bufsize, UMEM_DEFAULT);
+	if (cargp == NULL)
+		return (errno);
+	vctwap = &cargp->vca_un.vca_walk;
+	for (;;) {
+		int i;
+
+		cargp->vca_command = VARPD_CLIENT_CACHE_WALK;
+		cargp->vca_errno = 0;
+		vctwap->vtcw_id = cid;
+		vctwap->vtcw_count = 100;
+
+		ret = libvarpd_c_door_call(client, cargp, bufsize);
+		if (ret != 0)
+			break;
+
+		if (cargp->vca_errno != 0) {
+			ret = cargp->vca_errno;
+			break;
+		}
+
+		if (vctwap->vtcw_count == 0) {
+			ret = 0;
+			break;
+		}
+
+		for (i = 0; i < vctwap->vtcw_count; i++) {
+			varpd_client_cache_entry_t ent;
+
+			ent.vcp_flags = vctwap->vtcw_ents[i].otce_flags;
+			bcopy(vctwap->vtcw_ents[i].otce_dest.otp_mac,
+			    &ent.vcp_mac, ETHERADDRL);
+			ent.vcp_ip = vctwap->vtcw_ents[i].otce_dest.otp_ip;
+			ent.vcp_port = vctwap->vtcw_ents[i].otce_dest.otp_port;
+			ret = func(chp, cid,
+			    (struct ether_addr *)vctwap->vtcw_ents[i].otce_mac,
+			    &ent, arg);
+			if (ret != 0) {
+				ret = 0;
+				goto done;
+			}
+		}
+	}
+
+done:
+	umem_free(cargp, bufsize);
+	return (ret);
+}
diff --git a/usr/src/lib/varpd/libvarpd/common/libvarpd_client.h b/usr/src/lib/varpd/libvarpd/common/libvarpd_client.h
new file mode 100644
index 0000000000..459711b385
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/libvarpd_client.h
@@ -0,0 +1,92 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _LIBVARPD_CLIENT_H
+#define	_LIBVARPD_CLIENT_H
+
+/*
+ * varpd interfaces
+ */
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <sys/mac.h>
+#include <sys/overlay_target.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct __varpd_client_handle varpd_client_handle_t;
+typedef struct __varpd_client_prop_handle varpd_client_prop_handle_t;
+
+typedef struct varpd_client_cache_entry {
+	struct ether_addr	vcp_mac;
+	uint16_t		vcp_flags;
+	struct in6_addr		vcp_ip;
+	uint16_t		vcp_port;
+} varpd_client_cache_entry_t;
+
+/*
+ * We just use the values from the kernel for now.
+ */
+#define	LIBVARPD_PROP_SIZEMAX	OVERLAY_PROP_SIZEMAX
+#define	LIBVARPD_PROP_NAMELEN	OVERLAY_PROP_NAMELEN
+
+extern int libvarpd_c_create(varpd_client_handle_t **, const char *);
+extern void libvarpd_c_destroy(varpd_client_handle_t *);
+extern int libvarpd_c_instance_create(varpd_client_handle_t *, datalink_id_t,
+    const char *, uint64_t *);
+extern int libvarpd_c_instance_activate(varpd_client_handle_t *, uint64_t);
+extern int libvarpd_c_instance_destroy(varpd_client_handle_t *, uint64_t);
+
+extern int libvarpd_c_prop_nprops(varpd_client_handle_t *, uint64_t, uint_t *);
+extern int libvarpd_c_prop_handle_alloc(varpd_client_handle_t *, uint64_t,
+    varpd_client_prop_handle_t **);
+extern void libvarpd_c_prop_handle_free(varpd_client_prop_handle_t *);
+extern int libvarpd_c_prop_info_fill(varpd_client_prop_handle_t *, uint_t);
+extern int libvarpd_c_prop_info_fill_by_name(varpd_client_prop_handle_t *,
+    const char *);
+extern int libvarpd_c_prop_info(varpd_client_prop_handle_t *, const char **,
+    uint_t *, uint_t *, const void **, uint32_t *,
+    const mac_propval_range_t **);
+extern int libvarpd_c_prop_get(varpd_client_prop_handle_t *, void *,
+    uint32_t *);
+extern int libvarpd_c_prop_set(varpd_client_prop_handle_t *, const void *,
+    uint32_t);
+
+extern int libvarpd_c_instance_lookup(varpd_client_handle_t *, datalink_id_t,
+    uint64_t *);
+extern int libvarpd_c_instance_target_mode(varpd_client_handle_t *, uint64_t,
+    uint_t *, uint_t *);
+extern int libvarpd_c_instance_cache_flush(varpd_client_handle_t *, uint64_t);
+extern int libvarpd_c_instance_cache_delete(varpd_client_handle_t *, uint64_t,
+    const struct ether_addr *);
+extern int libvarpd_c_instance_cache_get(varpd_client_handle_t *, uint64_t,
+    const struct ether_addr *, varpd_client_cache_entry_t *);
+extern int libvarpd_c_instance_cache_set(varpd_client_handle_t *, uint64_t,
+    const struct ether_addr *, const varpd_client_cache_entry_t *);
+
+typedef int (*varpd_client_cache_f)(varpd_client_handle_t *, uint64_t,
+    const struct ether_addr *, const varpd_client_cache_entry_t *, void *);
+extern int libvarpd_c_instance_cache_walk(varpd_client_handle_t *, uint64_t,
+    varpd_client_cache_f, void *);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBVARPD_CLIENT_H */
diff --git a/usr/src/lib/varpd/libvarpd/common/libvarpd_door.c b/usr/src/lib/varpd/libvarpd/common/libvarpd_door.c
new file mode 100644
index 0000000000..5c6610e439
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/libvarpd_door.c
@@ -0,0 +1,469 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * varpd door server logic
+ */
+
+#include <door.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stropts.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <priv.h>
+#include <libvarpd_impl.h>
+
+typedef int (libvarpd_door_f)(varpd_impl_t *, varpd_client_arg_t *, ucred_t *);
+
+static boolean_t
+libvarpd_door_privileged(ucred_t *credp)
+{
+	const priv_set_t *ps;
+
+	ps = ucred_getprivset(credp, PRIV_EFFECTIVE);
+	if (ps == NULL)
+		return (B_FALSE);
+
+	return (priv_ismember(ps, PRIV_SYS_NET_CONFIG));
+}
+
+/* ARGSUSED */
+static int
+libvarpd_door_f_create(varpd_impl_t *vip, varpd_client_arg_t *vcap,
+    ucred_t *credp)
+{
+	int ret;
+	varpd_instance_handle_t *ihdl;
+	varpd_client_create_arg_t *vccap = &vcap->vca_un.vca_create;
+
+	vccap->vcca_plugin[LIBVARPD_PROP_NAMELEN-1] = '\0';
+	ret = libvarpd_instance_create((varpd_handle_t *)vip,
+	    vccap->vcca_linkid, vccap->vcca_plugin, &ihdl);
+	if (ret == 0)
+		vccap->vcca_id = libvarpd_instance_id(ihdl);
+
+	return (ret);
+}
+
+/* ARGSUSED */
+static int
+libvarpd_door_f_activate(varpd_impl_t *vip, varpd_client_arg_t *vcap,
+    ucred_t *credp)
+{
+	varpd_instance_handle_t *ihp;
+	varpd_client_instance_arg_t *vciap = &vcap->vca_un.vca_instance;
+
+	ihp = libvarpd_instance_lookup((varpd_handle_t *)vip, vciap->vcia_id);
+	if (ihp == NULL)
+		return (ENOENT);
+	return (libvarpd_instance_activate(ihp));
+}
+
+/* ARGSUSED */
+static int
+libvarpd_door_f_destroy(varpd_impl_t *vip, varpd_client_arg_t *vcap,
+    ucred_t *credp)
+{
+	varpd_instance_handle_t *ihp;
+	varpd_client_instance_arg_t *vciap = &vcap->vca_un.vca_instance;
+
+	ihp = libvarpd_instance_lookup((varpd_handle_t *)vip, vciap->vcia_id);
+	if (ihp == NULL)
+		return (ENOENT);
+	libvarpd_instance_destroy(ihp);
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+libvarpd_door_f_nprops(varpd_impl_t *vip, varpd_client_arg_t *vcap,
+    ucred_t *credp)
+{
+	varpd_instance_handle_t *ihp;
+	varpd_client_nprops_arg_t *vcnap = &vcap->vca_un.vca_nprops;
+
+	ihp = libvarpd_instance_lookup((varpd_handle_t *)vip, vcnap->vcna_id);
+	if (ihp == NULL)
+		return (ENOENT);
+
+	return (libvarpd_prop_nprops(ihp, &vcnap->vcna_nprops));
+}
+
+/* ARGSUSED */
+static int
+libvarpd_door_f_propinfo(varpd_impl_t *vip, varpd_client_arg_t *vcap,
+    ucred_t *credp)
+{
+	int ret;
+	varpd_instance_handle_t *ihp;
+	varpd_prop_handle_t *phdl;
+	varpd_client_propinfo_arg_t *vcfap = &vcap->vca_un.vca_info;
+
+	ihp = libvarpd_instance_lookup((varpd_handle_t *)vip, vcfap->vcfa_id);
+	if (ihp == NULL)
+		return (ENOENT);
+	ret = libvarpd_prop_handle_alloc((varpd_handle_t *)vip, ihp, &phdl);
+	if (ret != 0)
+		return (ret);
+
+	if (vcfap->vcfa_propid != UINT_MAX) {
+		ret = libvarpd_prop_info_fill(phdl, vcfap->vcfa_propid);
+		if (ret != 0) {
+			libvarpd_prop_handle_free(phdl);
+			return (ret);
+		}
+	} else {
+		uint_t i, nprop;
+		const char *name;
+
+		vcfap->vcfa_name[LIBVARPD_PROP_NAMELEN-1] = '\0';
+		ret = libvarpd_prop_nprops(ihp, &nprop);
+		if (ret != 0) {
+			libvarpd_prop_handle_free(phdl);
+			return (ret);
+		}
+		for (i = 0; i < nprop; i++) {
+			ret = libvarpd_prop_info_fill(phdl, i);
+			if (ret != 0) {
+				libvarpd_prop_handle_free(phdl);
+				return (ret);
+			}
+			ret = libvarpd_prop_info(phdl, &name, NULL, NULL, NULL,
+			    NULL, NULL);
+			if (ret != 0) {
+				libvarpd_prop_handle_free(phdl);
+				return (ret);
+			}
+			if (strcmp(vcfap->vcfa_name, name) == 0)
+				break;
+		}
+
+		if (i == nprop) {
+			libvarpd_prop_handle_free(phdl);
+			return (ENOENT);
+		}
+		vcfap->vcfa_propid = i;
+	}
+	libvarpd_prop_door_convert(phdl, vcfap);
+	libvarpd_prop_handle_free(phdl);
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+libvarpd_door_f_getprop(varpd_impl_t *vip, varpd_client_arg_t *vcap,
+    ucred_t *credp)
+{
+	int ret;
+	uint32_t size;
+	varpd_instance_handle_t *ihp;
+	varpd_prop_handle_t *phdl;
+	varpd_client_prop_arg_t *vcpap = &vcap->vca_un.vca_prop;
+
+	ihp = libvarpd_instance_lookup((varpd_handle_t *)vip, vcpap->vcpa_id);
+	if (ihp == NULL)
+		return (ENOENT);
+	ret = libvarpd_prop_handle_alloc((varpd_handle_t *)vip, ihp, &phdl);
+	if (ret != 0)
+		return (ret);
+
+	ret = libvarpd_prop_info_fill(phdl, vcpap->vcpa_propid);
+	if (ret != 0) {
+		libvarpd_prop_handle_free(phdl);
+		return (ret);
+	}
+
+	ret = libvarpd_prop_get(phdl, vcpap->vcpa_buf, &size);
+	if (ret == 0)
+		vcpap->vcpa_bufsize = size;
+	libvarpd_prop_handle_free(phdl);
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+libvarpd_door_f_setprop(varpd_impl_t *vip, varpd_client_arg_t *vcap,
+    ucred_t *credp)
+{
+	int ret;
+	varpd_instance_handle_t *ihp;
+	varpd_prop_handle_t *phdl;
+	varpd_client_prop_arg_t *vcpap = &vcap->vca_un.vca_prop;
+
+	ihp = libvarpd_instance_lookup((varpd_handle_t *)vip, vcpap->vcpa_id);
+	if (ihp == NULL)
+		return (ENOENT);
+	ret = libvarpd_prop_handle_alloc((varpd_handle_t *)vip, ihp, &phdl);
+	if (ret != 0)
+		return (ret);
+
+	ret = libvarpd_prop_info_fill(phdl, vcpap->vcpa_propid);
+	if (ret != 0) {
+		libvarpd_prop_handle_free(phdl);
+		return (ret);
+	}
+
+	ret = libvarpd_prop_set(phdl, vcpap->vcpa_buf, vcpap->vcpa_bufsize);
+	libvarpd_prop_handle_free(phdl);
+	return (ret);
+}
+
+/* ARGSUSED */
+static int
+libvarpd_door_f_lookup(varpd_impl_t *vip, varpd_client_arg_t *vcap,
+    ucred_t *credp)
+{
+	varpd_instance_t *inst;
+	varpd_client_lookup_arg_t *vclap = &vcap->vca_un.vca_lookup;
+
+	inst = libvarpd_instance_lookup_by_dlid(vip, vclap->vcla_linkid);
+	if (inst == NULL)
+		return (ENOENT);
+
+	vclap->vcla_id = inst->vri_id;
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+libvarpd_door_f_target(varpd_impl_t *vip, varpd_client_arg_t *vcap,
+    ucred_t *credp)
+{
+	varpd_instance_handle_t *ihp;
+	varpd_instance_t *inst;
+	varpd_client_target_mode_arg_t *vtmap = &vcap->vca_un.vca_mode;
+
+	ihp = libvarpd_instance_lookup((varpd_handle_t *)vip, vtmap->vtma_id);
+	if (ihp == NULL)
+		return (ENOENT);
+	inst = (varpd_instance_t *)ihp;
+	vtmap->vtma_dest = inst->vri_dest;
+	vtmap->vtma_mode = inst->vri_mode;
+	return (0);
+}
+
+static int
+libvarpd_door_f_flush(varpd_impl_t *vip, varpd_client_arg_t *vcap,
+    ucred_t *credp)
+{
+	varpd_instance_handle_t *ihp;
+	varpd_client_target_cache_arg_t *vtcap = &vcap->vca_un.vca_cache;
+
+	if (libvarpd_door_privileged(credp) == B_FALSE)
+		return (EPERM);
+
+	ihp = libvarpd_instance_lookup((varpd_handle_t *)vip, vtcap->vtca_id);
+	if (ihp == NULL)
+		return (ENOENT);
+	return (libvarpd_overlay_cache_flush((varpd_instance_t *)ihp));
+}
+
+static int
+libvarpd_door_f_delete(varpd_impl_t *vip, varpd_client_arg_t *vcap,
+    ucred_t *credp)
+{
+	varpd_instance_handle_t *ihp;
+	varpd_client_target_cache_arg_t *vtcap = &vcap->vca_un.vca_cache;
+
+	if (libvarpd_door_privileged(credp) == B_FALSE)
+		return (EPERM);
+
+	ihp = libvarpd_instance_lookup((varpd_handle_t *)vip, vtcap->vtca_id);
+	if (ihp == NULL)
+		return (ENOENT);
+	return (libvarpd_overlay_cache_delete((varpd_instance_t *)ihp,
+	    vtcap->vtca_key));
+}
+
+/* ARGSUSED */
+static int
+libvarpd_door_f_get(varpd_impl_t *vip, varpd_client_arg_t *vcap,
+    ucred_t *credp)
+{
+	varpd_instance_handle_t *ihp;
+	varpd_client_target_cache_arg_t *vtcap = &vcap->vca_un.vca_cache;
+
+	ihp = libvarpd_instance_lookup((varpd_handle_t *)vip, vtcap->vtca_id);
+	if (ihp == NULL)
+		return (ENOENT);
+	return (libvarpd_overlay_cache_get((varpd_instance_t *)ihp,
+	    vtcap->vtca_key, &vtcap->vtca_entry));
+}
+
+static int
+libvarpd_door_f_set(varpd_impl_t *vip, varpd_client_arg_t *vcap,
+    ucred_t *credp)
+{
+	varpd_instance_handle_t *ihp;
+	varpd_client_target_cache_arg_t *vtcap = &vcap->vca_un.vca_cache;
+
+	if (libvarpd_door_privileged(credp) == B_FALSE)
+		return (EPERM);
+
+	ihp = libvarpd_instance_lookup((varpd_handle_t *)vip, vtcap->vtca_id);
+	if (ihp == NULL)
+		return (ENOENT);
+
+	return (libvarpd_overlay_cache_set((varpd_instance_t *)ihp,
+	    vtcap->vtca_key, &vtcap->vtca_entry));
+}
+
+/* ARGSUSED */
+static int
+libvarpd_door_f_walk(varpd_impl_t *vip, varpd_client_arg_t *vcap,
+    ucred_t *credp)
+{
+	varpd_instance_handle_t *ihp;
+	varpd_client_target_walk_arg_t *vctwp = &vcap->vca_un.vca_walk;
+
+	ihp = libvarpd_instance_lookup((varpd_handle_t *)vip, vctwp->vtcw_id);
+	if (ihp == NULL)
+		return (ENOENT);
+
+	return (libvarpd_overlay_cache_walk_fill((varpd_instance_t *)ihp,
+	    &vctwp->vtcw_marker, &vctwp->vtcw_count, vctwp->vtcw_ents));
+}
+
+static libvarpd_door_f *libvarpd_door_table[] = {
+	libvarpd_door_f_create,
+	libvarpd_door_f_activate,
+	libvarpd_door_f_destroy,
+	libvarpd_door_f_nprops,
+	libvarpd_door_f_propinfo,
+	libvarpd_door_f_getprop,
+	libvarpd_door_f_setprop,
+	libvarpd_door_f_lookup,
+	libvarpd_door_f_target,
+	libvarpd_door_f_flush,
+	libvarpd_door_f_delete,
+	libvarpd_door_f_get,
+	libvarpd_door_f_set,
+	libvarpd_door_f_walk
+};
+
+/* ARGSUSED */
+static void
+libvarpd_door_server(void *cookie, char *argp, size_t argsz, door_desc_t *dp,
+    uint_t ndesc)
+{
+	int ret;
+	varpd_client_eresp_t err;
+	ucred_t *credp = NULL;
+	varpd_impl_t *vip = cookie;
+	varpd_client_arg_t *vcap = (varpd_client_arg_t *)argp;
+
+	err.vce_command = VARPD_CLIENT_INVALID;
+	if (argsz < sizeof (varpd_client_arg_t)) {
+		err.vce_errno = EINVAL;
+		goto errout;
+	}
+
+	if ((ret = door_ucred(&credp)) != 0) {
+		err.vce_errno = ret;
+		goto errout;
+	}
+
+	if (vcap->vca_command == VARPD_CLIENT_INVALID ||
+	    vcap->vca_command >= VARPD_CLIENT_MAX) {
+		err.vce_errno = EINVAL;
+		goto errout;
+	}
+
+	vcap->vca_errno = 0;
+	ret = libvarpd_door_table[vcap->vca_command - 1](vip, vcap, credp);
+	if (ret != 0)
+		vcap->vca_errno = ret;
+
+	ucred_free(credp);
+	(void) door_return(argp, argsz, NULL, 0);
+	return;
+
+errout:
+	ucred_free(credp);
+	(void) door_return((char *)&err, sizeof (err), NULL, 0);
+}
+
+int
+libvarpd_door_server_create(varpd_handle_t *vhp, const char *path)
+{
+	int fd, ret;
+	varpd_impl_t *vip = (varpd_impl_t *)vhp;
+
+	(void) mutex_lock(&vip->vdi_lock);
+	if (vip->vdi_doorfd >= 0) {
+		(void) mutex_unlock(&vip->vdi_lock);
+		return (EEXIST);
+	}
+
+	vip->vdi_doorfd = door_create(libvarpd_door_server, vip,
+	    DOOR_REFUSE_DESC | DOOR_NO_CANCEL);
+	if (vip->vdi_doorfd == -1) {
+		(void) mutex_unlock(&vip->vdi_lock);
+		return (errno);
+	}
+
+	if ((fd = open(path, O_CREAT | O_RDWR, 0666)) == -1) {
+		ret = errno;
+		if (door_revoke(vip->vdi_doorfd) != 0)
+			libvarpd_panic("failed to revoke door: %d",
+			    errno);
+		(void) mutex_unlock(&vip->vdi_lock);
+		return (errno);
+	}
+
+	if (fchown(fd, UID_NETADM, GID_NETADM) != 0) {
+		ret = errno;
+		if (door_revoke(vip->vdi_doorfd) != 0)
+			libvarpd_panic("failed to revoke door: %d",
+			    errno);
+		(void) mutex_unlock(&vip->vdi_lock);
+		return (ret);
+	}
+
+	if (close(fd) != 0)
+		libvarpd_panic("failed to close door fd %d: %d",
+		    fd, errno);
+	(void) fdetach(path);
+	if (fattach(vip->vdi_doorfd, path) != 0) {
+		ret = errno;
+		if (door_revoke(vip->vdi_doorfd) != 0)
+			libvarpd_panic("failed to revoke door: %d",
+			    errno);
+		(void) mutex_unlock(&vip->vdi_lock);
+		return (ret);
+	}
+
+	(void) mutex_unlock(&vip->vdi_lock);
+	return (0);
+}
+
+void
+libvarpd_door_server_destroy(varpd_handle_t *vhp)
+{
+	varpd_impl_t *vip = (varpd_impl_t *)vhp;
+
+	(void) mutex_lock(&vip->vdi_lock);
+	if (vip->vdi_doorfd != 0) {
+		if (door_revoke(vip->vdi_doorfd) != 0)
+			libvarpd_panic("failed to revoke door: %d",
+			    errno);
+		vip->vdi_doorfd = -1;
+	}
+	(void) mutex_unlock(&vip->vdi_lock);
+}
diff --git a/usr/src/lib/varpd/libvarpd/common/libvarpd_impl.h b/usr/src/lib/varpd/libvarpd/common/libvarpd_impl.h
new file mode 100644
index 0000000000..7ecd3a952f
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/libvarpd_impl.h
@@ -0,0 +1,247 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _LIBVARPD_IMPL_H
+#define	_LIBVARPD_IMPL_H
+
+/*
+ * varpd internal interfaces
+ */
+
+#include <libvarpd.h>
+#include <libvarpd_provider.h>
+#include <sys/avl.h>
+#include <thread.h>
+#include <synch.h>
+#include <limits.h>
+#include <libidspace.h>
+#include <umem.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define	LIBVARPD_ID_MIN	1
+#define	LIBVARPD_ID_MAX	INT32_MAX
+
+typedef struct varpd_plugin {
+	avl_node_t		vpp_node;
+	const char		*vpp_name;
+	overlay_target_mode_t	vpp_mode;
+	const varpd_plugin_ops_t *vpp_ops;
+	mutex_t			vpp_lock;
+	uint_t			vpp_active;
+} varpd_plugin_t;
+
+typedef struct varpd_impl {
+	mutex_t		vdi_lock;
+	rwlock_t	vdi_pfdlock;
+	avl_tree_t	vdi_plugins;	/* vdi_lock */
+	avl_tree_t	vdi_instances;	/* vdi_lock */
+	avl_tree_t	vdi_linstances;	/* vdi_lock */
+	id_space_t	*vdi_idspace;	/* RO */
+	umem_cache_t	*vdi_qcache;	/* RO */
+	bunyan_logger_t	*vdi_bunyan;	/* RO */
+	int		vdi_overlayfd;	/* RO */
+	int		vdi_doorfd;	/* vdi_lock */
+	int		vdi_persistfd;	/* vdi_plock */
+	cond_t		vdi_lthr_cv;	/* vdi_lock */
+	boolean_t	vdi_lthr_quiesce;	/* vdi_lock */
+	uint_t		vdi_lthr_count;	/* vdi_lock */
+} varpd_impl_t;
+
+typedef enum varpd_instance_flags {
+	VARPD_INSTANCE_F_ACTIVATED = 0x01
+} varpd_instance_flags_t;
+
+typedef struct varpd_instance {
+	avl_node_t	vri_inode;
+	avl_node_t	vri_lnode;
+	uint64_t	vri_id;			/* RO */
+	uint64_t	vri_vnetid;		/* RO */
+	datalink_id_t	vri_linkid;		/* RO */
+	overlay_target_mode_t vri_mode;		/* RO */
+	overlay_plugin_dest_t vri_dest;		/* RO */
+	varpd_impl_t	*vri_impl;		/* RO */
+	varpd_plugin_t	*vri_plugin;		/* RO */
+	void		*vri_private;		/* RO */
+	mutex_t		vri_lock;
+	varpd_instance_flags_t vri_flags;	/* vri_lock */
+} varpd_instance_t;
+
+typedef struct varpd_query {
+	overlay_targ_lookup_t	vq_lookup;
+	overlay_targ_resp_t	vq_response;
+	varpd_instance_t	*vq_instance;
+} varpd_query_t;
+
+typedef struct varpd_client_create_arg {
+	datalink_id_t	vcca_linkid;
+	uint64_t	vcca_id;
+	char		vcca_plugin[LIBVARPD_PROP_NAMELEN];
+} varpd_client_create_arg_t;
+
+typedef struct varpd_client_instance_arg {
+	uint64_t	vcia_id;
+} varpd_client_instance_arg_t;
+
+typedef struct varpd_client_nprops_arg {
+	uint64_t	vcna_id;
+	uint_t		vcna_nprops;
+} varpd_client_nprops_arg_t;
+
+typedef struct varpd_client_propinfo_arg {
+	uint64_t	vcfa_id;
+	uint_t		vcfa_propid;
+	uint_t		vcfa_type;
+	uint_t		vcfa_prot;
+	uint32_t	vcfa_defsize;
+	uint32_t	vcfa_psize;
+	char		vcfa_name[LIBVARPD_PROP_NAMELEN];
+	uint8_t		vcfa_default[LIBVARPD_PROP_SIZEMAX];
+	uint8_t		vcfa_poss[LIBVARPD_PROP_SIZEMAX];
+} varpd_client_propinfo_arg_t;
+
+typedef struct varpd_client_prop_arg {
+	uint64_t	vcpa_id;
+	uint_t		vcpa_propid;
+	uint8_t		vcpa_buf[LIBVARPD_PROP_SIZEMAX];
+	size_t		vcpa_bufsize;
+} varpd_client_prop_arg_t;
+
+typedef struct varpd_client_lookup_arg {
+	datalink_id_t	vcla_linkid;
+	uint32_t	vcla_pad;
+	uint64_t	vcla_id;
+} varpd_client_lookup_arg_t;
+
+typedef struct varpd_client_target_mode_arg {
+	uint64_t	vtma_id;
+	uint32_t	vtma_dest;
+	uint32_t	vtma_mode;
+} varpd_client_target_mode_arg_t;
+
+typedef struct varpd_client_target_cache_arg {
+	uint64_t	vtca_id;
+	uint8_t		vtca_key[ETHERADDRL];
+	uint8_t		vtca_pad[2];
+	varpd_client_cache_entry_t vtca_entry;
+} varpd_client_target_cache_arg_t;
+
+typedef struct varpd_client_target_walk_arg {
+	uint64_t	vtcw_id;
+	uint64_t	vtcw_marker;
+	uint64_t	vtcw_count;
+	overlay_targ_cache_entry_t vtcw_ents[];
+} varpd_client_target_walk_arg_t;
+
+typedef enum varpd_client_command {
+	VARPD_CLIENT_INVALID = 0x0,
+	VARPD_CLIENT_CREATE,
+	VARPD_CLIENT_ACTIVATE,
+	VARPD_CLIENT_DESTROY,
+	VARPD_CLIENT_NPROPS,
+	VARPD_CLIENT_PROPINFO,
+	VARPD_CLIENT_GETPROP,
+	VARPD_CLIENT_SETPROP,
+	VARPD_CLIENT_LOOKUP,
+	VARPD_CLIENT_TARGET_MODE,
+	VARPD_CLIENT_CACHE_FLUSH,
+	VARPD_CLIENT_CACHE_DELETE,
+	VARPD_CLIENT_CACHE_GET,
+	VARPD_CLIENT_CACHE_SET,
+	VARPD_CLIENT_CACHE_WALK,
+	VARPD_CLIENT_MAX
+} varpd_client_command_t;
+
+typedef struct varpd_client_arg {
+	uint_t	vca_command;
+	uint_t	vca_errno;
+	union {
+		varpd_client_create_arg_t vca_create;
+		varpd_client_instance_arg_t vca_instance;
+		varpd_client_nprops_arg_t vca_nprops;
+		varpd_client_propinfo_arg_t vca_info;
+		varpd_client_prop_arg_t vca_prop;
+		varpd_client_lookup_arg_t vca_lookup;
+		varpd_client_target_mode_arg_t vca_mode;
+		varpd_client_target_cache_arg_t vca_cache;
+		varpd_client_target_walk_arg_t vca_walk;
+	} vca_un;
+} varpd_client_arg_t;
+
+typedef struct varpd_client_eresp {
+	uint_t vce_command;
+	uint_t vce_errno;
+} varpd_client_eresp_t;
+
+extern void libvarpd_plugin_init(void);
+extern void libvarpd_plugin_prefork(void);
+extern void libvarpd_plugin_postfork(void);
+extern void libvarpd_plugin_fini(void);
+extern int libvarpd_plugin_comparator(const void *, const void *);
+extern varpd_plugin_t *libvarpd_plugin_lookup(varpd_impl_t *, const char *);
+
+extern varpd_instance_t *libvarpd_instance_lookup_by_dlid(varpd_impl_t *,
+    datalink_id_t);
+
+extern void libvarpd_prop_door_convert(const varpd_prop_handle_t *,
+    varpd_client_propinfo_arg_t *);
+
+extern const char *libvarpd_isaext(void);
+typedef int (*libvarpd_dirwalk_f)(varpd_impl_t *, const char *, void *);
+extern int libvarpd_dirwalk(varpd_impl_t *, const char *, const char *,
+    libvarpd_dirwalk_f, void *);
+
+extern int libvarpd_overlay_init(varpd_impl_t *);
+extern void libvarpd_overlay_fini(varpd_impl_t *);
+extern int libvarpd_overlay_info(varpd_impl_t *, datalink_id_t,
+    overlay_plugin_dest_t *, uint64_t *, uint64_t *);
+extern int libvarpd_overlay_associate(varpd_instance_t *);
+extern int libvarpd_overlay_disassociate(varpd_instance_t *);
+extern int libvarpd_overlay_degrade(varpd_instance_t *, const char *);
+extern int libvarpd_overlay_degrade_datalink(varpd_impl_t *, datalink_id_t,
+    const char *);
+extern int libvarpd_overlay_restore(varpd_instance_t *);
+extern int libvarpd_overlay_packet(varpd_impl_t *,
+    const overlay_targ_lookup_t *, void *, size_t *);
+extern int libvarpd_overlay_inject(varpd_impl_t *,
+    const overlay_targ_lookup_t *, void *, size_t);
+extern int libvarpd_overlay_instance_inject(varpd_instance_t *, void *, size_t);
+extern int libvarpd_overlay_resend(varpd_impl_t *,
+    const overlay_targ_lookup_t *, void *, size_t);
+typedef int (*libvarpd_overlay_iter_f)(varpd_impl_t *, datalink_id_t, void *);
+extern int libvarpd_overlay_iter(varpd_impl_t *, libvarpd_overlay_iter_f,
+    void *);
+extern int libvarpd_overlay_cache_flush(varpd_instance_t *);
+extern int libvarpd_overlay_cache_delete(varpd_instance_t *, const uint8_t *);
+extern int libvarpd_overlay_cache_delete(varpd_instance_t *, const uint8_t *);
+extern int libvarpd_overlay_cache_get(varpd_instance_t *, const uint8_t *,
+    varpd_client_cache_entry_t *);
+extern int libvarpd_overlay_cache_set(varpd_instance_t *, const uint8_t *,
+    const varpd_client_cache_entry_t *);
+extern int libvarpd_overlay_cache_walk_fill(varpd_instance_t *, uint64_t *,
+    uint64_t *, overlay_targ_cache_entry_t *);
+
+extern void libvarpd_persist_init(varpd_impl_t *);
+extern void libvarpd_persist_fini(varpd_impl_t *);
+extern int libvarpd_persist_instance(varpd_impl_t *, varpd_instance_t *);
+extern void libvarpd_torch_instance(varpd_impl_t *,  varpd_instance_t *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBVARPD_IMPL_H */
diff --git a/usr/src/lib/varpd/libvarpd/common/libvarpd_overlay.c b/usr/src/lib/varpd/libvarpd/common/libvarpd_overlay.c
new file mode 100644
index 0000000000..c7c69da7be
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/libvarpd_overlay.c
@@ -0,0 +1,579 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * Interactions with /dev/overlay
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <assert.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stropts.h>
+#include <strings.h>
+#include <umem.h>
+
+#include <libvarpd_impl.h>
+#include <sys/overlay_target.h>
+
+#define	OVERLAY_PATH	"/dev/overlay"
+
+int
+libvarpd_overlay_init(varpd_impl_t *vip)
+{
+	vip->vdi_overlayfd = open(OVERLAY_PATH, O_RDWR | O_EXCL);
+	if (vip->vdi_overlayfd == -1)
+		return (errno);
+	return (0);
+}
+
+void
+libvarpd_overlay_fini(varpd_impl_t *vip)
+{
+	assert(vip->vdi_overlayfd > 0);
+	if (close(vip->vdi_overlayfd) != 0)
+		libvarpd_panic("failed to close /dev/overlay fd %d: %d",
+		    vip->vdi_overlayfd, errno);
+}
+
+int
+libvarpd_overlay_info(varpd_impl_t *vip, datalink_id_t linkid,
+    overlay_plugin_dest_t *destp, uint64_t *flags, uint64_t *vnetid)
+{
+	overlay_targ_info_t oti;
+
+	oti.oti_linkid = linkid;
+	if (ioctl(vip->vdi_overlayfd, OVERLAY_TARG_INFO, &oti) != 0)
+		return (errno);
+
+	if (destp != NULL)
+		*destp = oti.oti_needs;
+	if (flags != NULL)
+		*flags = oti.oti_flags;
+	if (vnetid != NULL)
+		*vnetid = oti.oti_vnetid;
+	return (0);
+}
+
+int
+libvarpd_overlay_associate(varpd_instance_t *inst)
+{
+	overlay_targ_associate_t ota;
+	varpd_impl_t *vip = inst->vri_impl;
+
+	bzero(&ota, sizeof (overlay_targ_associate_t));
+	ota.ota_linkid = inst->vri_linkid;
+	ota.ota_mode = inst->vri_mode;
+	ota.ota_id = inst->vri_id;
+	ota.ota_provides = inst->vri_dest;
+
+	if (ota.ota_mode == OVERLAY_TARGET_POINT) {
+		int ret;
+		ret = inst->vri_plugin->vpp_ops->vpo_default(inst->vri_private,
+		    &ota.ota_point);
+		if (ret != VARPD_LOOKUP_OK)
+			return (ret);
+	}
+
+	if (ioctl(vip->vdi_overlayfd, OVERLAY_TARG_ASSOCIATE, &ota) != 0)
+		return (errno);
+
+	return (0);
+}
+
+int
+libvarpd_overlay_disassociate(varpd_instance_t *inst)
+{
+	overlay_targ_id_t otid;
+	varpd_impl_t *vip = inst->vri_impl;
+
+	otid.otid_linkid = inst->vri_linkid;
+	if (ioctl(vip->vdi_overlayfd, OVERLAY_TARG_DISASSOCIATE, &otid) != 0)
+		return (errno);
+	return (0);
+}
+
+int
+libvarpd_overlay_degrade_datalink(varpd_impl_t *vip, datalink_id_t linkid,
+    const char *msg)
+{
+	overlay_targ_degrade_t otd;
+
+	otd.otd_linkid = linkid;
+	(void) strlcpy(otd.otd_buf, msg, OVERLAY_STATUS_BUFLEN);
+	if (ioctl(vip->vdi_overlayfd, OVERLAY_TARG_DEGRADE, &otd) != 0)
+		return (errno);
+	return (0);
+
+}
+
+int
+libvarpd_overlay_degrade(varpd_instance_t *inst, const char *msg)
+{
+	return (libvarpd_overlay_degrade_datalink(inst->vri_impl,
+	    inst->vri_linkid, msg));
+}
+
+int
+libvarpd_overlay_restore(varpd_instance_t *inst)
+{
+	overlay_targ_id_t otid;
+	varpd_impl_t *vip = inst->vri_impl;
+
+	otid.otid_linkid = inst->vri_linkid;
+	if (ioctl(vip->vdi_overlayfd, OVERLAY_TARG_RESTORE, &otid) != 0)
+		return (errno);
+	return (0);
+}
+
+int
+libvarpd_overlay_packet(varpd_impl_t *vip, const overlay_targ_lookup_t *otl,
+    void *buf, size_t *buflen)
+{
+	int ret;
+	overlay_targ_pkt_t otp;
+
+	otp.otp_linkid = UINT64_MAX;
+	otp.otp_reqid = otl->otl_reqid;
+	otp.otp_size = *buflen;
+	otp.otp_buf = buf;
+
+	do {
+		ret = ioctl(vip->vdi_overlayfd, OVERLAY_TARG_PKT, &otp);
+	} while (ret != 0 && errno == EINTR);
+	if (ret != 0 && errno == EFAULT)
+		libvarpd_panic("OVERLAY_TARG_PKT ioctl efault");
+	else if (ret != 0)
+		ret = errno;
+
+	if (ret == 0)
+		*buflen = otp.otp_size;
+
+	return (ret);
+}
+
+static int
+libvarpd_overlay_inject_common(varpd_impl_t *vip, varpd_instance_t *inst,
+    const overlay_targ_lookup_t *otl, void *buf, size_t buflen, int cmd)
+{
+	int ret;
+	overlay_targ_pkt_t otp;
+
+	if (otl == NULL) {
+		otp.otp_linkid = inst->vri_linkid;
+		otp.otp_reqid = 0;
+	} else {
+		otp.otp_linkid = UINT64_MAX;
+		otp.otp_reqid = otl->otl_reqid;
+	}
+	otp.otp_size = buflen;
+	otp.otp_buf = buf;
+
+	do {
+		ret = ioctl(vip->vdi_overlayfd, cmd, &otp);
+	} while (ret != 0 && errno == EINTR);
+	if (ret != 0 && errno == EFAULT)
+		libvarpd_panic("overlay_inject_common ioctl EFAULT");
+	else if (ret != 0)
+		ret = errno;
+
+	return (ret);
+}
+
+int
+libvarpd_overlay_inject(varpd_impl_t *vip, const overlay_targ_lookup_t *otl,
+    void *buf, size_t buflen)
+{
+	return (libvarpd_overlay_inject_common(vip, NULL, otl, buf, buflen,
+	    OVERLAY_TARG_INJECT));
+}
+
+int
+libvarpd_overlay_instance_inject(varpd_instance_t *inst, void *buf,
+    size_t buflen)
+{
+	return (libvarpd_overlay_inject_common(inst->vri_impl, inst, NULL, buf,
+	    buflen, OVERLAY_TARG_INJECT));
+}
+
+int
+libvarpd_overlay_resend(varpd_impl_t *vip, const overlay_targ_lookup_t *otl,
+    void *buf, size_t buflen)
+{
+	return (libvarpd_overlay_inject_common(vip, NULL, otl, buf, buflen,
+	    OVERLAY_TARG_RESEND));
+}
+
+static void
+libvarpd_overlay_lookup_reply(varpd_impl_t *vip,
+    const overlay_targ_lookup_t *otl, overlay_targ_resp_t *otr, int cmd)
+{
+	int ret;
+
+	otr->otr_reqid = otl->otl_reqid;
+	do {
+		ret = ioctl(vip->vdi_overlayfd, cmd, otr);
+	} while (ret != 0 && errno == EINTR);
+
+	/*
+	 * The only errors that should cause us to end up here are due to
+	 * programmer errors. Aruably the EINAVL case indicates that something
+	 * is a bit off; however, at this time we don't opt to kill varpd.
+	 */
+	if (ret != 0 && errno != EINVAL)
+		libvarpd_panic("receieved bad errno from lookup_reply "
+		    "(cmd %d): %d\n", cmd, errno);
+}
+
+static void
+libvarpd_overlay_lookup_handle(varpd_impl_t *vip)
+{
+	int ret;
+	varpd_query_t *vqp;
+	overlay_targ_lookup_t *otl;
+	overlay_targ_resp_t *otr;
+	varpd_instance_t *inst;
+
+	vqp = umem_cache_alloc(vip->vdi_qcache, UMEM_DEFAULT);
+	otl = &vqp->vq_lookup;
+	otr = &vqp->vq_response;
+	/*
+	 * abort doesn't really help here that much, maybe we can instead try
+	 * and for a reap or something?
+	 */
+	if (vqp == NULL)
+		libvarpd_panic("failed to allocate memory for lookup "
+		    "handle..., we should not panic()");
+	ret = ioctl(vip->vdi_overlayfd, OVERLAY_TARG_LOOKUP, otl);
+	if (ret != 0 && errno != ETIME && errno != EINTR)
+		libvarpd_panic("received bad errno from OVERLAY_TARG_LOOKUP: "
+		    "%d", errno);
+
+	if (ret != 0) {
+		umem_cache_free(vip->vdi_qcache, vqp);
+		return;
+	}
+
+	inst = (varpd_instance_t *)libvarpd_instance_lookup(
+	    (varpd_handle_t *)vip, otl->otl_varpdid);
+	if (inst == NULL) {
+		libvarpd_overlay_lookup_reply(vip, otl, otr,
+		    OVERLAY_TARG_DROP);
+		umem_cache_free(vip->vdi_qcache, vqp);
+		return;
+	}
+	vqp->vq_instance = inst;
+
+	inst->vri_plugin->vpp_ops->vpo_lookup(inst->vri_private,
+	    (varpd_query_handle_t *)vqp, otl, &otr->otr_answer);
+}
+
+void
+libvarpd_overlay_lookup_run(varpd_handle_t *vhp)
+{
+	varpd_impl_t *vip = (varpd_impl_t *)vhp;
+
+	(void) mutex_lock(&vip->vdi_lock);
+	if (vip->vdi_lthr_quiesce == B_TRUE) {
+		(void) mutex_unlock(&vip->vdi_lock);
+		return;
+	}
+	vip->vdi_lthr_count++;
+
+	for (;;) {
+		(void) mutex_unlock(&vip->vdi_lock);
+		libvarpd_overlay_lookup_handle(vip);
+		(void) mutex_lock(&vip->vdi_lock);
+		if (vip->vdi_lthr_quiesce == B_TRUE)
+			break;
+	}
+	assert(vip->vdi_lthr_count > 0);
+	vip->vdi_lthr_count--;
+	(void) cond_signal(&vip->vdi_lthr_cv);
+	(void) mutex_unlock(&vip->vdi_lock);
+}
+
+void
+libvarpd_overlay_lookup_quiesce(varpd_handle_t *vhp)
+{
+	varpd_impl_t *vip = (varpd_impl_t *)vhp;
+
+	(void) mutex_lock(&vip->vdi_lock);
+	if (vip->vdi_lthr_count == 0) {
+		(void) mutex_unlock(&vip->vdi_lock);
+		return;
+	}
+	vip->vdi_lthr_quiesce = B_TRUE;
+	while (vip->vdi_lthr_count > 0)
+		(void) cond_wait(&vip->vdi_lthr_cv, &vip->vdi_lock);
+	vip->vdi_lthr_quiesce = B_FALSE;
+	(void) mutex_unlock(&vip->vdi_lock);
+}
+
+int
+libvarpd_overlay_iter(varpd_impl_t *vip, libvarpd_overlay_iter_f func,
+    void *arg)
+{
+	uint32_t curents = 0, i;
+	size_t size;
+	overlay_targ_list_t *otl;
+
+	for (;;) {
+		size = sizeof (overlay_targ_list_t) +
+		    sizeof (uint32_t) * curents;
+		otl = umem_alloc(size, UMEM_DEFAULT);
+		if (otl == NULL)
+			return (ENOMEM);
+
+		otl->otl_nents = curents;
+		if (ioctl(vip->vdi_overlayfd, OVERLAY_TARG_LIST, otl) != 0) {
+			if (errno == EFAULT)
+				libvarpd_panic("OVERLAY_TARG_LIST ioctl "
+				    "efault");
+			umem_free(otl, size);
+			if (errno == EINTR)
+				continue;
+			else
+				return (errno);
+		}
+
+		if (otl->otl_nents == curents)
+			break;
+
+		curents = otl->otl_nents;
+		umem_free(otl, size);
+	}
+
+	for (i = 0; i < otl->otl_nents; i++) {
+		if (func(vip, otl->otl_ents[i], arg) != 0)
+			break;
+	}
+	umem_free(otl, size);
+	return (0);
+}
+
+int
+libvarpd_overlay_cache_flush(varpd_instance_t *inst)
+{
+	int ret;
+	overlay_targ_cache_t cache;
+	varpd_impl_t *vip = inst->vri_impl;
+
+	bzero(&cache, sizeof (overlay_targ_cache_t));
+	cache.otc_linkid = inst->vri_linkid;
+
+	ret = ioctl(vip->vdi_overlayfd, OVERLAY_TARG_CACHE_FLUSH, &cache);
+	if (ret != 0 && errno == EFAULT)
+		libvarpd_panic("OVERLAY_TARG_CACHE_FLUSH ioctl efault");
+	else if (ret != 0)
+		ret = errno;
+
+	return (ret);
+}
+
+int
+libvarpd_overlay_cache_delete(varpd_instance_t *inst, const uint8_t *key)
+{
+	int ret;
+	overlay_targ_cache_t cache;
+	varpd_impl_t *vip = inst->vri_impl;
+
+	bzero(&cache, sizeof (overlay_targ_cache_t));
+	cache.otc_linkid = inst->vri_linkid;
+	bcopy(key, cache.otc_entry.otce_mac, ETHERADDRL);
+
+	ret = ioctl(vip->vdi_overlayfd, OVERLAY_TARG_CACHE_REMOVE, &cache);
+	if (ret != 0 && errno == EFAULT)
+		libvarpd_panic("OVERLAY_TARG_CACHE_REMOVE ioctl efault");
+	else if (ret != 0)
+		ret = errno;
+
+	return (ret);
+
+}
+
+int
+libvarpd_overlay_cache_get(varpd_instance_t *inst, const uint8_t *key,
+    varpd_client_cache_entry_t *entry)
+{
+	int ret;
+	overlay_targ_cache_t cache;
+	varpd_impl_t *vip = inst->vri_impl;
+
+	bzero(&cache, sizeof (overlay_targ_cache_t));
+	cache.otc_linkid = inst->vri_linkid;
+	bcopy(key, cache.otc_entry.otce_mac, ETHERADDRL);
+
+	ret = ioctl(vip->vdi_overlayfd, OVERLAY_TARG_CACHE_GET, &cache);
+	if (ret != 0 && errno == EFAULT)
+		libvarpd_panic("OVERLAY_TARG_CACHE_GET ioctl efault");
+	else if (ret != 0)
+		return (errno);
+
+	bcopy(cache.otc_entry.otce_dest.otp_mac, &entry->vcp_mac, ETHERADDRL);
+	entry->vcp_flags = cache.otc_entry.otce_flags;
+	entry->vcp_ip = cache.otc_entry.otce_dest.otp_ip;
+	entry->vcp_port = cache.otc_entry.otce_dest.otp_port;
+
+	return (0);
+}
+
+int
+libvarpd_overlay_cache_set(varpd_instance_t *inst, const uint8_t *key,
+    const varpd_client_cache_entry_t *entry)
+{
+	int ret;
+	overlay_targ_cache_t cache;
+	varpd_impl_t *vip = inst->vri_impl;
+
+	bzero(&cache, sizeof (overlay_targ_cache_t));
+	cache.otc_linkid = inst->vri_linkid;
+	bcopy(key, cache.otc_entry.otce_mac, ETHERADDRL);
+	bcopy(&entry->vcp_mac, cache.otc_entry.otce_dest.otp_mac, ETHERADDRL);
+	cache.otc_entry.otce_flags = entry->vcp_flags;
+	cache.otc_entry.otce_dest.otp_ip = entry->vcp_ip;
+	cache.otc_entry.otce_dest.otp_port = entry->vcp_port;
+
+	ret = ioctl(vip->vdi_overlayfd, OVERLAY_TARG_CACHE_SET, &cache);
+	if (ret != 0 && errno == EFAULT)
+		libvarpd_panic("OVERLAY_TARG_CACHE_SET ioctl efault");
+	else if (ret != 0)
+		return (errno);
+
+	return (0);
+}
+
+int
+libvarpd_overlay_cache_walk_fill(varpd_instance_t *inst, uint64_t *markerp,
+    uint64_t *countp, overlay_targ_cache_entry_t *ents)
+{
+	int ret;
+	size_t asize;
+	overlay_targ_cache_iter_t *iter;
+	varpd_impl_t *vip = inst->vri_impl;
+
+	if (*countp > 200)
+		return (E2BIG);
+
+	asize = sizeof (overlay_targ_cache_iter_t) +
+	    *countp * sizeof (overlay_targ_cache_entry_t);
+	iter = umem_alloc(asize, UMEM_DEFAULT);
+	if (iter == NULL)
+		return (ENOMEM);
+
+	iter->otci_linkid = inst->vri_linkid;
+	iter->otci_marker = *markerp;
+	iter->otci_count = *countp;
+	ret = ioctl(vip->vdi_overlayfd, OVERLAY_TARG_CACHE_ITER, iter);
+	if (ret != 0 && errno == EFAULT)
+		libvarpd_panic("OVERLAY_TARG_CACHE_ITER ioctl efault");
+	else if (ret != 0) {
+		ret = errno;
+		goto out;
+	}
+
+	*markerp = iter->otci_marker;
+	*countp = iter->otci_count;
+	bcopy(iter->otci_ents, ents,
+	    *countp * sizeof (overlay_targ_cache_entry_t));
+out:
+	umem_free(iter, asize);
+	return (ret);
+}
+
+void
+libvarpd_plugin_query_reply(varpd_query_handle_t *vqh, int action)
+{
+	varpd_query_t *vqp = (varpd_query_t *)vqh;
+
+	if (vqp == NULL)
+		libvarpd_panic("unkonwn plugin passed invalid "
+		    "varpd_query_handle_t");
+
+	if (action == VARPD_LOOKUP_DROP)
+		libvarpd_overlay_lookup_reply(vqp->vq_instance->vri_impl,
+		    &vqp->vq_lookup, &vqp->vq_response, OVERLAY_TARG_DROP);
+	else if (action == VARPD_LOOKUP_OK)
+		libvarpd_overlay_lookup_reply(vqp->vq_instance->vri_impl,
+		    &vqp->vq_lookup, &vqp->vq_response, OVERLAY_TARG_RESPOND);
+	else
+		libvarpd_panic("plugin %s passed in an invalid action: %d",
+		    vqp->vq_instance->vri_plugin->vpp_name, action);
+}
+
+void
+libvarpd_inject_varp(varpd_provider_handle_t *vph, const uint8_t *mac,
+    const overlay_target_point_t *otp)
+{
+	int ret;
+	overlay_targ_cache_t otc;
+	varpd_instance_t *inst = (varpd_instance_t *)vph;
+	varpd_impl_t *vip = inst->vri_impl;
+
+	otc.otc_linkid = inst->vri_linkid;
+	otc.otc_entry.otce_flags = 0;
+	bcopy(mac, otc.otc_entry.otce_mac, ETHERADDRL);
+	bcopy(otp, &otc.otc_entry.otce_dest, sizeof (overlay_target_point_t));
+
+	ret = ioctl(vip->vdi_overlayfd, OVERLAY_TARG_CACHE_SET, &otc);
+	if (ret != 0) {
+		switch (errno) {
+		case EBADF:
+		case EFAULT:
+		case ENOTSUP:
+			libvarpd_panic("received bad errno from "
+			    "OVERLAY_TARG_CACHE_SET: %d", errno);
+		default:
+			break;
+		}
+	}
+}
+
+void
+libvarpd_fma_degrade(varpd_provider_handle_t *vph, const char *msg)
+{
+	int ret;
+	varpd_instance_t *inst = (varpd_instance_t *)vph;
+
+	ret = libvarpd_overlay_degrade(inst, msg);
+	switch (ret) {
+	case ENOENT:
+	case EFAULT:
+		libvarpd_panic("received bad errno from degrade ioctl: %d",
+		    errno);
+	default:
+		break;
+	}
+}
+
+void
+libvarpd_fma_restore(varpd_provider_handle_t *vph)
+{
+	int ret;
+	varpd_instance_t *inst = (varpd_instance_t *)vph;
+
+	ret = libvarpd_overlay_restore(inst);
+	switch (ret) {
+	case ENOENT:
+	case EFAULT:
+		libvarpd_panic("received bad errno from restore ioctl: %d",
+		    errno);
+	default:
+		break;
+	}
+}
diff --git a/usr/src/lib/varpd/libvarpd/common/libvarpd_panic.c b/usr/src/lib/varpd/libvarpd/common/libvarpd_panic.c
new file mode 100644
index 0000000000..6728d79d6e
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/libvarpd_panic.c
@@ -0,0 +1,53 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015, Joyent, Inc.
+ */
+
+/*
+ * No, 'tis not so deep as a well, nor so wide as a church door; but 'tis
+ * enough,'twill serve. Ask for me tomorrow, and you shall find me a grave man.
+ *
+ * This file maintains various routines for handling when we die.
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <thread.h>
+#include <stdlib.h>
+
+/*
+ * Normally these would be static, but if they're static, that throws off lint
+ * because it thinks we never use them, which is kind of the point, because we
+ * only read them in the core...
+ */
+int varpd_panic_errno;
+char varpd_panic_buf[1024];
+thread_t varpd_panic_thread;
+
+void
+libvarpd_panic(const char *fmt, ...)
+{
+	va_list ap;
+
+	/* Always save errno first! */
+	varpd_panic_errno = errno;
+	varpd_panic_thread = thr_self();
+
+	if (fmt != NULL) {
+		va_start(ap, fmt);
+		(void) vsnprintf(varpd_panic_buf, sizeof (varpd_panic_buf), fmt,
+		    ap);
+	}
+	abort();
+}
diff --git a/usr/src/lib/varpd/libvarpd/common/libvarpd_persist.c b/usr/src/lib/varpd/libvarpd/common/libvarpd_persist.c
new file mode 100644
index 0000000000..b48a184682
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/libvarpd_persist.c
@@ -0,0 +1,584 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * varpd persistence backend
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <strings.h>
+#include <librename.h>
+#include <md5.h>
+#include <sys/sysmacros.h>
+#include <dirent.h>
+#include <sys/mman.h>
+#include <umem.h>
+
+#include <libvarpd_impl.h>
+
+static uint8_t varpd_persist_magic[4] = {
+	'v',
+	'a',
+	'r',
+	'p',
+};
+
+#define	VARPD_PERSIST_MAXWRITE		4096
+#define	VARPD_PERSIST_VERSION_ONE	1
+#define	VARPD_PERSIST_SUFFIX		".varpd"
+
+typedef struct varpd_persist_header {
+	uint8_t		vph_magic[4];
+	uint32_t	vph_version;
+	uint8_t		vph_md5[16];
+} varpd_persist_header_t;
+
+void
+libvarpd_persist_init(varpd_impl_t *vip)
+{
+	vip->vdi_persistfd = -1;
+	if (rwlock_init(&vip->vdi_pfdlock, USYNC_THREAD, NULL) != 0)
+		libvarpd_panic("failed to create rw vdi_pfdlock");
+}
+
+void
+libvarpd_persist_fini(varpd_impl_t *vip)
+{
+	/*
+	 * Clean up for someone that left something behind.
+	 */
+	if (vip->vdi_persistfd != -1) {
+		if (close(vip->vdi_persistfd) != 0)
+			libvarpd_panic("failed to close persist fd %d: %d",
+			    vip->vdi_persistfd, errno);
+		vip->vdi_persistfd = -1;
+	}
+	if (rwlock_destroy(&vip->vdi_pfdlock) != 0)
+		libvarpd_panic("failed to destroy rw vdi_pfdlock");
+}
+
+int
+libvarpd_persist_enable(varpd_handle_t *vhp, const char *rootdir)
+{
+	int fd;
+	struct stat st;
+	varpd_impl_t *vip = (varpd_impl_t *)vhp;
+
+	fd = open(rootdir, O_RDONLY);
+	if (fd < 0)
+		return (errno);
+
+	if (fstat(fd, &st) != 0) {
+		int ret = errno;
+		if (close(fd) != 0)
+			libvarpd_panic("failed to close rootdir fd (%s) %d: %d",
+			    rootdir, fd, errno);
+		return (ret);
+	}
+
+	if (!S_ISDIR(st.st_mode)) {
+		if (close(fd) != 0)
+			libvarpd_panic("failed to close rootdir fd (%s) %d: %d",
+			    rootdir, fd, errno);
+		return (EINVAL);
+	}
+
+
+	(void) rw_wrlock(&vip->vdi_pfdlock);
+	if (vip->vdi_persistfd != -1) {
+		(void) rw_unlock(&vip->vdi_pfdlock);
+		if (close(fd) != 0)
+			libvarpd_panic("failed to close rootdir fd (%s) %d: %d",
+			    rootdir, fd, errno);
+		return (EEXIST);
+	}
+	vip->vdi_persistfd = fd;
+	(void) rw_unlock(&vip->vdi_pfdlock);
+
+	return (0);
+}
+
+static int
+libvarpd_persist_write(int fd, const void *buf, size_t buflen)
+{
+	ssize_t ret;
+	off_t off = 0;
+
+	while (buflen > 0) {
+		ret = write(fd, (void *)((uintptr_t)buf + off),
+		    MIN(buflen, VARPD_PERSIST_MAXWRITE));
+		if (ret == -1 && errno == EINTR)
+			continue;
+		if (ret == -1)
+			return (errno);
+
+		off += ret;
+		buflen -= ret;
+	}
+
+	return (0);
+}
+
+static int
+libvarpd_persist_nvlist(int dirfd, uint64_t id, nvlist_t *nvl)
+{
+	int err, fd;
+	size_t size;
+	varpd_persist_header_t hdr;
+	librename_atomic_t *lrap;
+	char *buf = NULL, *name;
+
+	if ((err = nvlist_pack(nvl, &buf, &size, NV_ENCODE_XDR, 0)) != 0)
+		return (err);
+
+	if (asprintf(&name, "%llu%s", (unsigned long long)id, ".varpd") == -1) {
+		err = errno;
+		free(buf);
+		return (err);
+	}
+
+	if ((err = librename_atomic_fdinit(dirfd, name, NULL, 0600, 0,
+	    &lrap)) != 0) {
+		free(name);
+		free(buf);
+		return (err);
+	}
+
+	fd = librename_atomic_fd(lrap);
+
+	bzero(&hdr, sizeof (varpd_persist_header_t));
+	bcopy(varpd_persist_magic, hdr.vph_magic, sizeof (varpd_persist_magic));
+	hdr.vph_version = VARPD_PERSIST_VERSION_ONE;
+	md5_calc(hdr.vph_md5, buf, size);
+
+	if ((err = libvarpd_persist_write(fd, &hdr,
+	    sizeof (varpd_persist_header_t))) != 0) {
+		librename_atomic_fini(lrap);
+		free(name);
+		free(buf);
+		return (err);
+	}
+
+	if ((err = libvarpd_persist_write(fd, buf, size)) != 0) {
+		librename_atomic_fini(lrap);
+		free(name);
+		free(buf);
+		return (err);
+	}
+
+	do {
+		err = librename_atomic_commit(lrap);
+	} while (err == EINTR);
+
+	librename_atomic_fini(lrap);
+	free(name);
+	free(buf);
+	return (err);
+}
+
+int
+libvarpd_persist_instance(varpd_impl_t *vip, varpd_instance_t *inst)
+{
+	int err = 0;
+	nvlist_t *nvl = NULL, *cvl = NULL;
+
+	(void) rw_rdlock(&vip->vdi_pfdlock);
+	/* Check if persistence exists */
+	if (vip->vdi_persistfd == -1)
+		goto out;
+
+	if ((err = nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0)) != 0)
+		goto out;
+
+	if ((err = nvlist_alloc(&cvl, NV_UNIQUE_NAME, 0)) != 0)
+		goto out;
+
+	if ((err = nvlist_add_uint64(nvl, "vri_id", inst->vri_id)) != 0)
+		goto out;
+
+	if ((err = nvlist_add_uint32(nvl, "vri_linkid", inst->vri_linkid)) != 0)
+		goto out;
+
+	if ((err = nvlist_add_uint32(nvl, "vri_dest",
+	    (uint32_t)inst->vri_dest)) != 0)
+		goto out;
+	if ((err = nvlist_add_uint32(nvl, "vri_mode",
+	    (uint32_t)inst->vri_mode)) != 0)
+		goto out;
+
+	if ((err = nvlist_add_string(nvl, "vri_plugin",
+	    inst->vri_plugin->vpp_name)) != 0)
+		goto out;
+
+	err = inst->vri_plugin->vpp_ops->vpo_save(inst->vri_private, cvl);
+	if (err != 0)
+		goto out;
+
+	if ((err = nvlist_add_nvlist(nvl, "vri_private", cvl)) != 0)
+		goto out;
+
+	err = libvarpd_persist_nvlist(vip->vdi_persistfd, inst->vri_id, nvl);
+out:
+	nvlist_free(nvl);
+	nvlist_free(cvl);
+	(void) rw_unlock(&vip->vdi_pfdlock);
+	return (err);
+}
+
+void
+libvarpd_torch_instance(varpd_impl_t *vip, varpd_instance_t *inst)
+{
+	char buf[32];
+	int ret;
+
+	(void) rw_rdlock(&vip->vdi_pfdlock);
+	if (vip->vdi_persistfd == -1) {
+		(void) rw_unlock(&vip->vdi_pfdlock);
+		return;
+	}
+
+	if (snprintf(buf, sizeof (buf), "%lld.varpd", inst->vri_id) >= 32)
+		libvarpd_panic("somehow exceeded static value for "
+		    "libvarpd_torch_instance buffer");
+
+	do {
+		ret = unlinkat(vip->vdi_persistfd, buf, 0);
+	} while (ret == -1 && errno == EINTR);
+	if (ret != 0) {
+		switch (errno) {
+		case ENOENT:
+			break;
+		default:
+			libvarpd_panic("failed to unlinkat %d`%s: %s",
+			    vip->vdi_persistfd, buf, strerror(errno));
+		}
+	}
+
+	(void) rw_unlock(&vip->vdi_pfdlock);
+}
+
+static int
+libvarpd_persist_restore_instance(varpd_impl_t *vip, nvlist_t *nvl)
+{
+	int err;
+	nvlist_t *pvl;
+	uint64_t id, flags, vid;
+	uint32_t linkid, dest, mode;
+	char *pluginstr;
+	varpd_plugin_t *plugin;
+	overlay_plugin_dest_t adest;
+	varpd_instance_t *inst, lookup;
+
+	if (nvlist_lookup_uint64(nvl, "vri_id", &id) != 0)
+		return (EINVAL);
+
+	if (nvlist_lookup_uint32(nvl, "vri_linkid", &linkid) != 0)
+		return (EINVAL);
+
+	if (nvlist_lookup_uint32(nvl, "vri_dest", &dest) != 0)
+		return (EINVAL);
+
+	if (nvlist_lookup_uint32(nvl, "vri_mode", &mode) != 0)
+		return (EINVAL);
+
+	if (nvlist_lookup_string(nvl, "vri_plugin", &pluginstr) != 0)
+		return (EINVAL);
+
+	if (nvlist_lookup_nvlist(nvl, "vri_private", &pvl) != 0)
+		return (EINVAL);
+
+	plugin = libvarpd_plugin_lookup(vip, pluginstr);
+	if (plugin == NULL)
+		return (EINVAL);
+
+	if (plugin->vpp_mode != mode)
+		return (EINVAL);
+
+	if (libvarpd_overlay_info(vip, linkid, &adest, &flags, &vid) != 0)
+		return (EINVAL);
+
+	if (dest != adest)
+		return (EINVAL);
+
+	inst = umem_alloc(sizeof (varpd_instance_t), UMEM_DEFAULT);
+	if (inst == NULL)
+		libvarpd_panic("failed to allocate instance for restore");
+
+	inst->vri_id = id_alloc_specific(vip->vdi_idspace, id);
+	if (inst->vri_id != id) {
+		umem_free(inst, sizeof (varpd_instance_t));
+		return (EINVAL);
+	}
+
+	inst->vri_linkid = linkid;
+	inst->vri_vnetid = vid;
+	inst->vri_mode = plugin->vpp_mode;
+	inst->vri_dest = dest;
+	inst->vri_plugin = plugin;
+	inst->vri_impl = vip;
+	inst->vri_flags = 0;
+	if (plugin->vpp_ops->vpo_restore(pvl, (varpd_provider_handle_t *)inst,
+	    dest, &inst->vri_private) != 0) {
+		id_free(vip->vdi_idspace, id);
+		umem_free(inst, sizeof (varpd_instance_t));
+		return (EINVAL);
+	}
+
+	if (mutex_init(&inst->vri_lock, USYNC_THREAD, NULL) != 0)
+		libvarpd_panic("failed to create vri_lock mutex");
+
+	(void) mutex_lock(&vip->vdi_lock);
+	lookup.vri_id = inst->vri_id;
+	if (avl_find(&vip->vdi_instances, &lookup, NULL) != NULL)
+		libvarpd_panic("found duplicate instance with id %d",
+		    lookup.vri_id);
+	avl_add(&vip->vdi_instances, inst);
+	lookup.vri_linkid = inst->vri_linkid;
+	if (avl_find(&vip->vdi_linstances, &lookup, NULL) != NULL)
+		libvarpd_panic("found duplicate linstance with id %d",
+		    lookup.vri_linkid);
+	avl_add(&vip->vdi_linstances, inst);
+	(void) mutex_unlock(&vip->vdi_lock);
+
+	if (plugin->vpp_ops->vpo_start(inst->vri_private) != 0) {
+		libvarpd_instance_destroy((varpd_instance_handle_t *)inst);
+		return (EINVAL);
+	}
+
+	if (flags & OVERLAY_TARG_INFO_F_ACTIVE)
+		(void) libvarpd_overlay_disassociate(inst);
+
+	if (libvarpd_overlay_associate(inst) != 0) {
+		libvarpd_instance_destroy((varpd_instance_handle_t *)inst);
+		return (EINVAL);
+	}
+
+	if (flags & OVERLAY_TARG_INFO_F_DEGRADED) {
+		if ((err = libvarpd_overlay_restore(inst)) != 0) {
+			libvarpd_panic("failed to restore instance %p: %d\n",
+			    inst, err);
+		}
+	}
+
+	(void) mutex_lock(&inst->vri_lock);
+	inst->vri_flags |= VARPD_INSTANCE_F_ACTIVATED;
+	(void) mutex_unlock(&inst->vri_lock);
+
+	return (0);
+}
+
+static int
+libvarpd_persist_restore_one(varpd_impl_t *vip, int fd)
+{
+	int err;
+	size_t fsize;
+	struct stat st;
+	void *buf, *datap;
+	varpd_persist_header_t *hdr;
+	uint8_t md5[16];
+	nvlist_t *nvl;
+
+	if (fstat(fd, &st) != 0)
+		return (errno);
+
+	if (st.st_size <= sizeof (varpd_persist_header_t))
+		return (EINVAL);
+	fsize = st.st_size - sizeof (varpd_persist_header_t);
+
+	buf = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
+	if (buf == MAP_FAILED)
+		return (errno);
+
+	hdr = buf;
+	if (bcmp(varpd_persist_magic, hdr->vph_magic,
+	    sizeof (varpd_persist_magic)) != 0) {
+		if (munmap(buf, st.st_size) != 0)
+			libvarpd_panic("failed to munmap %p: %d", buf, errno);
+		return (EINVAL);
+	}
+
+	if (hdr->vph_version != VARPD_PERSIST_VERSION_ONE) {
+		if (munmap(buf, st.st_size) != 0)
+			libvarpd_panic("failed to munmap %p: %d", buf, errno);
+		return (EINVAL);
+	}
+
+	datap = (void *)((uintptr_t)buf + sizeof (varpd_persist_header_t));
+	md5_calc(md5, datap, fsize);
+	if (bcmp(md5, hdr->vph_md5, sizeof (uint8_t) * 16) != 0) {
+		if (munmap(buf, st.st_size) != 0)
+			libvarpd_panic("failed to munmap %p: %d", buf, errno);
+		return (EINVAL);
+	}
+
+	err = nvlist_unpack(datap, fsize, &nvl, 0);
+	if (munmap(buf, st.st_size) != 0)
+		libvarpd_panic("failed to munmap %p: %d", buf, errno);
+
+	if (err != 0)
+		return (EINVAL);
+
+	err = libvarpd_persist_restore_instance(vip, nvl);
+	nvlist_free(nvl);
+	return (err);
+}
+
+/* ARGSUSED */
+static int
+libvarpd_check_degrade_cb(varpd_impl_t *vip, datalink_id_t linkid, void *arg)
+{
+	varpd_instance_t *inst;
+
+	(void) mutex_lock(&vip->vdi_lock);
+	for (inst = avl_first(&vip->vdi_instances); inst != NULL;
+	    inst = AVL_NEXT(&vip->vdi_instances, inst)) {
+		if (inst->vri_linkid == linkid) {
+			(void) mutex_unlock(&vip->vdi_lock);
+			return (0);
+		}
+	}
+
+	(void) mutex_unlock(&vip->vdi_lock);
+
+	(void) libvarpd_overlay_degrade_datalink(vip, linkid,
+	    "no varpd instance exists");
+	return (0);
+}
+
+static void
+libvarpd_check_degrade(varpd_impl_t *vip)
+{
+	(void) libvarpd_overlay_iter(vip, libvarpd_check_degrade_cb, NULL);
+}
+
+int
+libvarpd_persist_restore(varpd_handle_t *vhp)
+{
+	int dirfd;
+	int ret = 0;
+	DIR *dirp = NULL;
+	struct dirent *dp;
+	varpd_impl_t *vip = (varpd_impl_t *)vhp;
+
+	(void) rw_rdlock(&vip->vdi_pfdlock);
+	if ((dirfd = dup(vip->vdi_persistfd)) < 0) {
+		ret = errno;
+		goto out;
+	}
+
+	if ((dirp = fdopendir(dirfd)) == NULL) {
+		ret = errno;
+		if (close(dirfd) != 0)
+			libvarpd_panic("failed to close dirfd %d: %d",
+			    dirfd, errno);
+		goto out;
+	}
+
+	for (;;) {
+		int fd;
+		uint64_t id;
+		char *eptr;
+		struct stat st;
+
+		errno = 0;
+		dp = readdir(dirp);
+		if (dp == NULL) {
+			ret = errno;
+			break;
+		}
+
+		if (strcmp(dp->d_name, ".") == 0 ||
+		    strcmp(dp->d_name, "..") == 0)
+			continue;
+
+		/*
+		 * Leave files that we don't recognize alone. A valid file has
+		 * the format `%llu.varpd`.
+		 */
+		errno = 0;
+		id = strtoull(dp->d_name, &eptr, 10);
+		if ((id == 0 && errno == EINVAL) ||
+		    (id == ULLONG_MAX && errno == ERANGE))
+			continue;
+
+		if (strcmp(eptr, VARPD_PERSIST_SUFFIX) != 0)
+			continue;
+
+		fd = openat(vip->vdi_persistfd, dp->d_name, O_RDONLY);
+		if (fd < 0) {
+			ret = errno;
+			break;
+		}
+
+		if (fstat(fd, &st) != 0) {
+			ret = errno;
+			break;
+		}
+
+		if (!S_ISREG(st.st_mode)) {
+			if (close(fd) != 0)
+				libvarpd_panic("failed to close fd (%s) %d: "
+				    "%d\n", dp->d_name, fd, errno);
+			continue;
+		}
+
+		ret = libvarpd_persist_restore_one(vip, fd);
+		if (close(fd) != 0)
+			libvarpd_panic("failed to close fd (%s) %d: "
+			    "%d\n", dp->d_name, fd, errno);
+		/*
+		 * This is an invalid file. We'll unlink it to save us this
+		 * trouble in the future.
+		 */
+		if (ret != 0) {
+			if (unlinkat(vip->vdi_persistfd, dp->d_name, 0) != 0) {
+				ret = errno;
+				break;
+			}
+		}
+	}
+
+	libvarpd_check_degrade(vip);
+
+out:
+	if (dirp != NULL)
+		(void) closedir(dirp);
+	(void) rw_unlock(&vip->vdi_pfdlock);
+	return (ret);
+}
+
+int
+libvarpd_persist_disable(varpd_handle_t *vhp)
+{
+	varpd_impl_t *vip = (varpd_impl_t *)vhp;
+
+	(void) rw_wrlock(&vip->vdi_pfdlock);
+	if (vip->vdi_persistfd == -1) {
+		(void) mutex_unlock(&vip->vdi_lock);
+		(void) rw_unlock(&vip->vdi_pfdlock);
+		return (ENOENT);
+	}
+	if (close(vip->vdi_persistfd) != 0)
+		libvarpd_panic("failed to close persist fd %d: %d",
+		    vip->vdi_persistfd, errno);
+	vip->vdi_persistfd = -1;
+	(void) rw_unlock(&vip->vdi_pfdlock);
+	return (0);
+}
diff --git a/usr/src/lib/varpd/libvarpd/common/libvarpd_plugin.c b/usr/src/lib/varpd/libvarpd/common/libvarpd_plugin.c
new file mode 100644
index 0000000000..100788b64d
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/libvarpd_plugin.c
@@ -0,0 +1,268 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * varpd plugin management
+ */
+
+#include <libvarpd_impl.h>
+#include <errno.h>
+#include <umem.h>
+#include <assert.h>
+#include <strings.h>
+#include <dlfcn.h>
+#include <link.h>
+#include <stdio.h>
+#include <bunyan.h>
+
+static varpd_impl_t *varpd_load_handle;
+static const char *varpd_load_path;
+static mutex_t varpd_load_lock;
+static cond_t varpd_load_cv;
+
+int
+libvarpd_plugin_comparator(const void *lp, const void *rp)
+{
+	int ret;
+	const varpd_plugin_t *lpp, *rpp;
+
+	lpp = lp;
+	rpp = rp;
+
+	ret = strcmp(lpp->vpp_name, rpp->vpp_name);
+	if (ret > 0)
+		return (1);
+	if (ret < 0)
+		return (-1);
+	return (0);
+}
+
+varpd_plugin_register_t *
+libvarpd_plugin_alloc(uint_t version, int *errp)
+{
+	int err;
+	varpd_plugin_register_t *vprp;
+
+	if (errp == NULL)
+		errp = &err;
+
+	if (version != VARPD_VERSION_ONE) {
+		(void) bunyan_warn(varpd_load_handle->vdi_bunyan,
+		    "unsupported registration version",
+		    BUNYAN_T_STRING, "module_path", varpd_load_path,
+		    BUNYAN_T_INT32, "module_version", version,
+		    BUNYAN_T_END);
+		*errp = EINVAL;
+		return (NULL);
+	}
+
+	vprp = umem_alloc(sizeof (varpd_plugin_register_t), UMEM_DEFAULT);
+	if (vprp == NULL) {
+		(void) bunyan_warn(varpd_load_handle->vdi_bunyan,
+		    "failed to allocate registration handle",
+		    BUNYAN_T_STRING, "module_path", varpd_load_path,
+		    BUNYAN_T_END);
+		*errp = ENOMEM;
+		return (NULL);
+	}
+
+	vprp->vpr_version = VARPD_VERSION_ONE;
+
+	return (vprp);
+}
+
+void
+libvarpd_plugin_free(varpd_plugin_register_t *vprp)
+{
+	umem_free(vprp, sizeof (varpd_plugin_register_t));
+}
+
+int
+libvarpd_plugin_register(varpd_plugin_register_t *vprp)
+{
+	varpd_plugin_t *vpp;
+	varpd_plugin_t lookup;
+
+	vpp = umem_alloc(sizeof (varpd_plugin_t), UMEM_DEFAULT);
+	if (vpp == NULL) {
+		(void) bunyan_warn(varpd_load_handle->vdi_bunyan,
+		    "failed to allocate memory for the varpd_plugin_t",
+		    BUNYAN_T_STRING, "module_path", varpd_load_path,
+		    BUNYAN_T_END);
+		return (ENOMEM);
+	}
+
+	/* Watch out for an evil plugin */
+	if (vprp->vpr_version != VARPD_VERSION_ONE) {
+		(void) bunyan_warn(varpd_load_handle->vdi_bunyan,
+		    "unsupported registration version",
+		    BUNYAN_T_STRING, "module_path", varpd_load_path,
+		    BUNYAN_T_INT32, "module_version", vprp->vpr_version,
+		    BUNYAN_T_END);
+		return (EINVAL);
+	}
+
+	(void) mutex_lock(&varpd_load_lock);
+	if (varpd_load_handle == NULL)
+		libvarpd_panic("varpd_load_handle was unexpectedly null");
+
+	(void) mutex_lock(&varpd_load_handle->vdi_lock);
+	lookup.vpp_name = vprp->vpr_name;
+	if (avl_find(&varpd_load_handle->vdi_plugins, &lookup, NULL) != NULL) {
+		(void) bunyan_warn(varpd_load_handle->vdi_bunyan,
+		    "module already exists with requested name",
+		    BUNYAN_T_STRING, "module_path", varpd_load_path,
+		    BUNYAN_T_STRING, "name", vprp->vpr_name,
+		    BUNYAN_T_END);
+		(void) mutex_unlock(&varpd_load_handle->vdi_lock);
+		(void) mutex_unlock(&varpd_load_lock);
+		umem_free(vpp, sizeof (varpd_plugin_t));
+		return (EEXIST);
+	}
+	vpp->vpp_name = strdup(vprp->vpr_name);
+	if (vpp->vpp_name == NULL) {
+		(void) bunyan_warn(varpd_load_handle->vdi_bunyan,
+		    "failed to allocate memory to duplicate name",
+		    BUNYAN_T_STRING, "module_path", varpd_load_path,
+		    BUNYAN_T_END);
+		(void) mutex_unlock(&varpd_load_handle->vdi_lock);
+		(void) mutex_unlock(&varpd_load_lock);
+		umem_free(vpp, sizeof (varpd_plugin_t));
+		return (ENOMEM);
+	}
+
+	vpp->vpp_mode = vprp->vpr_mode;
+	vpp->vpp_ops = vprp->vpr_ops;
+	if (mutex_init(&vpp->vpp_lock, USYNC_THREAD, NULL) != 0)
+		libvarpd_panic("failed to create plugin's vpp_lock");
+	vpp->vpp_active = 0;
+	avl_add(&varpd_load_handle->vdi_plugins, vpp);
+	(void) mutex_unlock(&varpd_load_handle->vdi_lock);
+	(void) mutex_unlock(&varpd_load_lock);
+
+	return (0);
+}
+
+varpd_plugin_t *
+libvarpd_plugin_lookup(varpd_impl_t *vip, const char *name)
+{
+	varpd_plugin_t lookup, *ret;
+
+	lookup.vpp_name = name;
+	(void) mutex_lock(&vip->vdi_lock);
+	ret = avl_find(&vip->vdi_plugins, &lookup, NULL);
+	(void) mutex_unlock(&vip->vdi_lock);
+
+	return (ret);
+}
+
+/* ARGSUSED */
+static int
+libvarpd_plugin_load_cb(varpd_impl_t *vip, const char *path, void *unused)
+{
+	void *dlp;
+
+	varpd_load_path = path;
+	dlp = dlopen(path, RTLD_LOCAL | RTLD_NOW);
+	if (dlp == NULL) {
+		(void) bunyan_error(vip->vdi_bunyan, "dlopen failed",
+		    BUNYAN_T_STRING, "module path", path,
+		    BUNYAN_T_END);
+	}
+	path = NULL;
+
+	return (0);
+}
+
+int
+libvarpd_plugin_load(varpd_handle_t *vph, const char *path)
+{
+	int ret = 0;
+	varpd_impl_t *vip = (varpd_impl_t *)vph;
+
+	if (vip == NULL || path == NULL)
+		return (EINVAL);
+	(void) mutex_lock(&varpd_load_lock);
+	while (varpd_load_handle != NULL)
+		(void) cond_wait(&varpd_load_cv, &varpd_load_lock);
+	varpd_load_handle = vip;
+	(void) mutex_unlock(&varpd_load_lock);
+
+	ret = libvarpd_dirwalk(vip, path, ".so", libvarpd_plugin_load_cb, NULL);
+
+	(void) mutex_lock(&varpd_load_lock);
+	varpd_load_handle = NULL;
+	(void) cond_signal(&varpd_load_cv);
+	(void) mutex_unlock(&varpd_load_lock);
+
+	return (ret);
+}
+
+int
+libvarpd_plugin_walk(varpd_handle_t *vph, libvarpd_plugin_walk_f func,
+    void *arg)
+{
+	varpd_impl_t *vip = (varpd_impl_t *)vph;
+	varpd_plugin_t *vpp;
+
+	(void) mutex_lock(&vip->vdi_lock);
+	for (vpp = avl_first(&vip->vdi_plugins); vpp != NULL;
+	    vpp = AVL_NEXT(&vip->vdi_plugins, vpp)) {
+		if (func(vph, vpp->vpp_name, arg) != 0) {
+			(void) mutex_unlock(&vip->vdi_lock);
+			return (1);
+		}
+	}
+	(void) mutex_unlock(&vip->vdi_lock);
+	return (0);
+}
+
+void
+libvarpd_plugin_init(void)
+{
+	if (mutex_init(&varpd_load_lock, USYNC_THREAD | LOCK_RECURSIVE |
+	    LOCK_ERRORCHECK, NULL) != 0)
+		libvarpd_panic("failed to create varpd_load_lock");
+
+	if (cond_init(&varpd_load_cv, USYNC_THREAD, NULL) != 0)
+		libvarpd_panic("failed to create varpd_load_cv");
+
+	varpd_load_handle = NULL;
+}
+
+void
+libvarpd_plugin_fini(void)
+{
+	assert(varpd_load_handle == NULL);
+	if (mutex_destroy(&varpd_load_lock) != 0)
+		libvarpd_panic("failed to destroy varpd_load_lock");
+	if (cond_destroy(&varpd_load_cv) != 0)
+		libvarpd_panic("failed to destroy varpd_load_cv");
+}
+
+void
+libvarpd_plugin_prefork(void)
+{
+	(void) mutex_lock(&varpd_load_lock);
+	while (varpd_load_handle != NULL)
+		(void) cond_wait(&varpd_load_cv, &varpd_load_lock);
+}
+
+void
+libvarpd_plugin_postfork(void)
+{
+	(void) cond_signal(&varpd_load_cv);
+	(void) mutex_unlock(&varpd_load_lock);
+}
diff --git a/usr/src/lib/varpd/libvarpd/common/libvarpd_prop.c b/usr/src/lib/varpd/libvarpd/common/libvarpd_prop.c
new file mode 100644
index 0000000000..abe65a8c5d
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/libvarpd_prop.c
@@ -0,0 +1,299 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * varpd property management
+ */
+
+#include <libvarpd_impl.h>
+#include <errno.h>
+#include <strings.h>
+#include <sys/mac.h>
+#include <umem.h>
+
+typedef struct varpd_prop_info {
+	varpd_impl_t		*vprop_vip;
+	varpd_instance_t	*vprop_instance;
+	uint_t			vprop_type;
+	uint_t			vprop_prot;
+	uint32_t		vprop_defsize;
+	uint32_t		vprop_psize;
+	char			vprop_name[LIBVARPD_PROP_NAMELEN];
+	uint8_t			vprop_default[LIBVARPD_PROP_SIZEMAX];
+	uint8_t			vprop_poss[LIBVARPD_PROP_SIZEMAX];
+} varpd_prop_info_t;
+
+/* Internal Properties */
+static int varpd_nintprops = 1;
+static const char *varpd_intprops[] = {
+	"search"
+};
+
+static int
+libvarpd_prop_get_search(varpd_prop_info_t *infop, void *buf, uint32_t *sizep)
+{
+	varpd_plugin_t *vpp = infop->vprop_instance->vri_plugin;
+	size_t nlen;
+
+	nlen = strlen(vpp->vpp_name) + 1;
+	if (nlen > *sizep)
+		return (EOVERFLOW);
+	*sizep = nlen;
+	(void) strlcpy(buf, vpp->vpp_name, *sizep);
+	return (0);
+}
+
+void
+libvarpd_prop_set_name(varpd_prop_handle_t *phdl, const char *name)
+{
+	varpd_prop_info_t *infop = (varpd_prop_info_t *)phdl;
+	(void) strlcpy(infop->vprop_name, name, OVERLAY_PROP_NAMELEN);
+}
+
+void
+libvarpd_prop_set_prot(varpd_prop_handle_t *phdl, overlay_prop_prot_t perm)
+{
+	varpd_prop_info_t *infop = (varpd_prop_info_t *)phdl;
+	infop->vprop_prot = perm;
+}
+
+void
+libvarpd_prop_set_type(varpd_prop_handle_t *phdl, overlay_prop_type_t type)
+{
+	varpd_prop_info_t *infop = (varpd_prop_info_t *)phdl;
+	infop->vprop_type = type;
+}
+
+int
+libvarpd_prop_set_default(varpd_prop_handle_t *phdl, void *buf, ssize_t len)
+{
+	varpd_prop_info_t *infop = (varpd_prop_info_t *)phdl;
+
+	if (len > LIBVARPD_PROP_SIZEMAX)
+		return (E2BIG);
+
+	if (len < 0)
+		return (EOVERFLOW);
+
+	bcopy(buf, infop->vprop_default, len);
+	infop->vprop_defsize = len;
+	return (0);
+}
+
+void
+libvarpd_prop_set_nodefault(varpd_prop_handle_t *phdl)
+{
+	varpd_prop_info_t *infop = (varpd_prop_info_t *)phdl;
+
+	infop->vprop_default[0] = '\0';
+	infop->vprop_defsize = 0;
+}
+
+void
+libvarpd_prop_set_range_uint32(varpd_prop_handle_t *phdl, uint32_t min,
+    uint32_t max)
+{
+	varpd_prop_info_t *infop = (varpd_prop_info_t *)phdl;
+	mac_propval_range_t *rangep = (mac_propval_range_t *)infop->vprop_poss;
+
+	if (rangep->mpr_count != 0 && rangep->mpr_type != MAC_PROPVAL_UINT32)
+		return;
+
+	if (infop->vprop_psize + sizeof (mac_propval_uint32_range_t) >
+	    sizeof (infop->vprop_poss))
+		return;
+
+	infop->vprop_psize += sizeof (mac_propval_uint32_range_t);
+	rangep->mpr_count++;
+	rangep->mpr_type = MAC_PROPVAL_UINT32;
+	rangep->u.mpr_uint32[rangep->mpr_count-1].mpur_min = min;
+	rangep->u.mpr_uint32[rangep->mpr_count-1].mpur_max = max;
+}
+
+void
+libvarpd_prop_set_range_str(varpd_prop_handle_t *phdl, const char *str)
+{
+	varpd_prop_info_t *infop = (varpd_prop_info_t *)phdl;
+	size_t len = strlen(str) + 1; /* Account for a null terminator */
+	mac_propval_range_t *rangep = (mac_propval_range_t *)infop->vprop_poss;
+	mac_propval_str_range_t *pstr = &rangep->u.mpr_str;
+
+	if (rangep->mpr_count != 0 && rangep->mpr_type != MAC_PROPVAL_STR)
+		return;
+
+	if (infop->vprop_psize + len > sizeof (infop->vprop_poss))
+		return;
+
+	rangep->mpr_count++;
+	rangep->mpr_type = MAC_PROPVAL_STR;
+	(void) strlcpy((char *)&pstr->mpur_data[pstr->mpur_nextbyte], str,
+	    sizeof (infop->vprop_poss) - infop->vprop_psize);
+	pstr->mpur_nextbyte += len;
+	infop->vprop_psize += len;
+}
+
+int
+libvarpd_prop_handle_alloc(varpd_handle_t *vph, varpd_instance_handle_t *inst,
+    varpd_prop_handle_t **phdlp)
+{
+	varpd_prop_info_t *infop;
+
+	infop = umem_alloc(sizeof (varpd_prop_info_t), UMEM_DEFAULT);
+	if (infop == NULL)
+		return (ENOMEM);
+
+	bzero(infop, sizeof (varpd_prop_info_t));
+	infop->vprop_vip = (varpd_impl_t *)vph;
+	infop->vprop_instance = (varpd_instance_t *)inst;
+
+	*phdlp = (varpd_prop_handle_t *)infop;
+	return (0);
+}
+
+void
+libvarpd_prop_handle_free(varpd_prop_handle_t *phdl)
+{
+	umem_free(phdl, sizeof (varpd_prop_info_t));
+}
+
+int
+libvarpd_prop_nprops(varpd_instance_handle_t *ihdl, uint_t *np)
+{
+	int ret;
+	varpd_instance_t *instp = (varpd_instance_t *)ihdl;
+
+	ret = instp->vri_plugin->vpp_ops->vpo_nprops(instp->vri_private, np);
+	if (ret != 0)
+		return (ret);
+	*np += varpd_nintprops;
+	return (0);
+}
+
+static int
+libvarpd_prop_info_fill_int_cb(varpd_handle_t *handle, const char *name,
+    void *arg)
+{
+	varpd_prop_handle_t *vph = arg;
+	libvarpd_prop_set_range_str(vph, name);
+	return (0);
+}
+
+static int
+libvarpd_prop_info_fill_int(varpd_prop_handle_t *vph, uint_t propid)
+{
+	varpd_prop_info_t *infop = (varpd_prop_info_t *)vph;
+	if (propid >= varpd_nintprops)
+		abort();
+	libvarpd_prop_set_name(vph, varpd_intprops[0]);
+	libvarpd_prop_set_prot(vph, OVERLAY_PROP_PERM_READ);
+	libvarpd_prop_set_type(vph, OVERLAY_PROP_T_STRING);
+	libvarpd_prop_set_nodefault(vph);
+	libvarpd_plugin_walk((varpd_handle_t *)infop->vprop_instance->vri_impl,
+	    libvarpd_prop_info_fill_int_cb, vph);
+	return (0);
+}
+
+int
+libvarpd_prop_info_fill(varpd_prop_handle_t *phdl, uint_t propid)
+{
+	varpd_prop_info_t *infop = (varpd_prop_info_t *)phdl;
+	varpd_instance_t *instp = infop->vprop_instance;
+	mac_propval_range_t *rangep = (mac_propval_range_t *)infop->vprop_poss;
+
+	infop->vprop_psize = sizeof (mac_propval_range_t);
+
+	bzero(rangep, sizeof (mac_propval_range_t));
+	if (propid < varpd_nintprops) {
+		return (libvarpd_prop_info_fill_int(phdl, propid));
+	} else {
+		varpd_plugin_t *vpp = instp->vri_plugin;
+		return (vpp->vpp_ops->vpo_propinfo(instp->vri_private,
+		    propid - varpd_nintprops, phdl));
+	}
+}
+
+int
+libvarpd_prop_info(varpd_prop_handle_t *phdl, const char **namep,
+    uint_t *typep, uint_t *protp, const void **defp, uint32_t *sizep,
+    const mac_propval_range_t **possp)
+{
+	varpd_prop_info_t *infop = (varpd_prop_info_t *)phdl;
+	if (namep != NULL)
+		*namep = infop->vprop_name;
+	if (typep != NULL)
+		*typep = infop->vprop_type;
+	if (protp != NULL)
+		*protp = infop->vprop_prot;
+	if (defp != NULL)
+		*defp = infop->vprop_default;
+	if (sizep != NULL)
+		*sizep = infop->vprop_psize;
+	if (possp != NULL)
+		*possp = (mac_propval_range_t *)infop->vprop_poss;
+	return (0);
+}
+
+int
+libvarpd_prop_get(varpd_prop_handle_t *phdl, void *buf, uint32_t *sizep)
+{
+	varpd_prop_info_t *infop = (varpd_prop_info_t *)phdl;
+	varpd_instance_t *instp = infop->vprop_instance;
+
+	if (infop->vprop_name[0] == '\0')
+		return (EINVAL);
+
+	if (strcmp(varpd_intprops[0], infop->vprop_name) == 0) {
+		/* search property */
+		return (libvarpd_prop_get_search(infop, buf, sizep));
+	}
+
+	return (instp->vri_plugin->vpp_ops->vpo_getprop(instp->vri_private,
+	    infop->vprop_name, buf, sizep));
+}
+
+int
+libvarpd_prop_set(varpd_prop_handle_t *phdl, const void *buf, uint32_t size)
+{
+	int i;
+	varpd_prop_info_t *infop = (varpd_prop_info_t *)phdl;
+	varpd_instance_t *instp = infop->vprop_instance;
+
+	if (infop->vprop_name[0] == '\0')
+		return (EINVAL);
+
+	for (i = 0; i < varpd_nintprops; i++) {
+		if (strcmp(infop->vprop_name, varpd_intprops[i]) == 0) {
+			return (EPERM);
+		}
+	}
+
+	return (instp->vri_plugin->vpp_ops->vpo_setprop(instp->vri_private,
+	    infop->vprop_name, buf, size));
+}
+
+void
+libvarpd_prop_door_convert(const varpd_prop_handle_t *phdl,
+    varpd_client_propinfo_arg_t *vcfap)
+{
+	const varpd_prop_info_t *infop = (const varpd_prop_info_t *)phdl;
+
+	vcfap->vcfa_type = infop->vprop_type;
+	vcfap->vcfa_prot = infop->vprop_prot;
+	vcfap->vcfa_defsize = infop->vprop_defsize;
+	vcfap->vcfa_psize = infop->vprop_psize;
+	bcopy(infop->vprop_name, vcfap->vcfa_name, LIBVARPD_PROP_NAMELEN);
+	bcopy(infop->vprop_default, vcfap->vcfa_default, LIBVARPD_PROP_SIZEMAX);
+	bcopy(infop->vprop_poss, vcfap->vcfa_poss, LIBVARPD_PROP_SIZEMAX);
+}
diff --git a/usr/src/lib/varpd/libvarpd/common/libvarpd_provider.h b/usr/src/lib/varpd/libvarpd/common/libvarpd_provider.h
new file mode 100644
index 0000000000..64fa99d308
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/libvarpd_provider.h
@@ -0,0 +1,419 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _LIBVARPD_PROVIDER_H
+#define	_LIBVARPD_PROVIDER_H
+
+/*
+ * varpd provider interface for lookup modules
+ *
+ * This header file defines all the structures and functions that a given lookup
+ * module needs to implement and perform its purpose. At this time, all of these
+ * interfaces are considered private to illumos and therefore are subject to
+ * change. At some point we will move to more broadly stabilize these interfaces
+ * and commit to them. Until such time, expect breakage for out of gate
+ * consumers.
+ *
+ * A plugin is a dynamic shared object that is placed inside of varpd's default
+ * module.
+ *
+ * The shared object must define an initializer, such as with #pragma init. This
+ * function will be run with the module is dlopened by libvarpd. In that init
+ * function, the function must allocate a varpd_plugin_register by calling
+ * libvarpd_plugin_alloc() and specifying VARPD_CURRENT_VERSION. If that
+ * succeeds, then it should proceed to fill out the registration and then call,
+ * libvarpd_plugin_register() with it. Regardless of whether it succeeds or
+ * fails, it should call libvarpd_plugin_free(). In the case of failure, there
+ * is not much that the module should do, other than log some message to the
+ * standard bunyan logger that exists.
+ *
+ * Once libvarpd_plugin_register() returns, the module should assume that any
+ * of the operations it defined in the operation vector may be called and
+ * therefore it is recommended that any other required initialization should be
+ * performed at that time.
+ *
+ * At this time, once a plugin is loaded, it will not be unloaded. Therefore,
+ * there is no corresponding requirement to unregister, though that may come in
+ * a future version.
+ *
+ * -----------------------------
+ * Plugin Types and Destinations
+ * -----------------------------
+ *
+ * There are two different kinds of plugins in this world, there are point to
+ * point plugins and there are dynamic plugins. The key difference is in how
+ * packets are routed through the system. In a point to point plugin, a single
+ * destination is used when the instance is started. In dynamic plugins,
+ * destinations are looked up as they are required and an instance of a plugin
+ * is required to provide that.
+ *
+ * These point to point plugins define a type of OVERLAY_TARGET_POINT and the
+ * dynamic plugins instead define a type of OVERLAY_TARGET_DYNAMIC.
+ *
+ * Encapsulation plugins have multiple types of destinations. They may require
+ * an Ethernet address (OVERLAY_PLUGIN_D_ETHERNET), IP address
+ * (OVERLAY_PLUGIN_D_IP), and a port (OVERLAY_PLUGIN_D_PORT). For example,
+ * consider vxlan, it requires an IP and a port; while a hypothetical nvgre,
+ * would only require an IP.
+ *
+ * A plugin is allowed to describe which of these fields that it supports and
+ * given which encapsulation plugin it is paired with, it can support a varying
+ * degree of properties. For example, consider the example of the direct plugin.
+ * It has a notion of a destination port and a destination IP. If it is paired
+ * with a plugin that only requires an IP, then it wouldn't need to show a
+ * property that's related to a destination port.
+ *
+ * ------------------
+ * Plugin Definitions
+ * ------------------
+ *
+ * A plugin is required to fill in both an operations vector and a series of
+ * additional metadata that it passed in to libvarpd_plugin_register(). The
+ * following lists all of the routines and their purposes. The full signatures
+ * are available in the body of the header file.
+ *
+ *   varpd_plugin_create_f
+ *
+ *   	Create a new instance of a plugin. Each instance refers to a different
+ *   	overlay device and thus a different overlay identifier. Each instance
+ *   	has its own property space and is unique. This function gives the chance
+ *   	for the plugin to create and provide any private data that it will
+ *   	require.
+ *
+ *   	In addition, the plugin is given the type of destination that is
+ *   	required and it is its job to determine whether or not it supports it.
+ *
+ *   varpd_plugin_destory_f
+ *
+ *   	This is the opposite of varpd_plugin_create_f. It is called to allow the
+ *   	plugin to reclaim any resources with the private argument that it passed
+ *   	out as part of the destroy function.
+ *
+ *   varpd_plugin_start_f
+ *
+ *   	This routine is called to indicate that an instance should be started.
+ *   	This is a plugin's chance to verify that it has all of its required
+ *   	properties set and to take care of any action that needs to be handled
+ *   	to begin the plugin. After this point it will be legal to have the
+ *   	varpd_plugin_default_f, varpd_plugin_lookup_f, varpd_plugin_arp_f and
+ *   	varpd_plugin_dhcp_f endpoints called.
+ *
+ *   varpd_plugin_stop_f
+ *
+ *   	This routine is called to indicate that an instance is stopping, it is
+ *   	the opposite of varpd_plugin_start_f. This is a chance to clean up
+ *   	resources that are a side effect of having started the instance.
+ *
+ *   varpd_plugin_default_f
+ *
+ *   	This routine is defined by plugins of type OVERLAY_TARGET_POINT. It is
+ *   	used to answer the question of where should all traffic for this
+ *   	instance be destined. Plugins of type OVERLAY_TARGET_DYNAMIC should
+ *   	leave this entry set to NULL.
+ *
+ *   	On success, the default routine should return VARPD_LOOKUP_OK. On
+ *   	failure, it should return the macro VARPD_LOOKUP_DROP.
+ *
+ *   varpd_plugin_lookup_f
+ *
+ *   	This routine must be defined by plugins of type OVERLAY_TARGET_DYNAMIC.
+ *   	It is used to lookup the destination for a given request. Each request
+ *   	comes in with its own MAC address this allows a plugin to direct it to
+ *   	any remote location.
+ *
+ *   	This is designed as an asynchronous API. Once a lookup is completed it
+ *   	should call libvarpd_plugin_query_reply() and pass as the second
+ *   	argument either VARPD_LOOKUP_OK to indicate that it went alright or it
+ *   	should reply VARPD_LOOKUP_DROP to indicate that the packet should be
+ *   	dropped.
+ *
+ *   	In addition, there are several utility routines that can take care of
+ *   	various kinds of traffic automatically. For example, if an ARP, NDP, or
+ *   	DHCP packet comes in, there are utilities such as
+ *   	libvarpd_plugin_proxy_arp(), libvarpd_plugin_proxy_ndp() and
+ *   	libvarpd_plugin_proxy_dhcp(), which allows the system to do the heavy
+ *   	lifting of validating the packet once it finds that it matches certain
+ *   	properties.
+ *
+ *   varpd_plugin_arp_f
+ *
+ *   	This is an optional entry for plugins of type OVERLAY_TARGET_DYNAMIC.
+ *   	This is called after a plugin calls libvarpd_plugin_proxy_arp() and is
+ *   	used to ask the plugin to perform an ARP or NDP query. The type of query
+ *   	is passed in in the third argument, the only valid value for which will
+ *   	be VARPD_QTYPE_ETHERNET, to indicate we're doing an Ethernet lookup.
+ *
+ *   	The layer three IP address that is being looked up will be included in
+ *   	the struct sockaddr. The sockaddr(3SOCKET)'s sa_family will be set to
+ *   	indicate the type, eg. AF_INET or AF_INET6 and that will indicate the
+ *   	kind of sockaddr that will be used. For more information see
+ *   	sockaddr(3SOCKET). The implementation ensures that enough space for the
+ *   	link layer address will exist.
+ *
+ *   	This is an asynchronous lookup. Once the answer has been written, a
+ *   	plugin should call libvarpd_plugin_arp_reply and if it was successful,
+ *   	VARPD_LOOKUP_OK should be passed in and if it failed, VARPD_LOOKUP_DROP
+ *   	should be passed in instead.
+ *
+ *   varpd_plugin_dhcp_f
+ *
+ *   	This is an optional entry for plugins of type OVERLAY_TARGET_DYNAMIC.
+ *   	This is called after a plugin calls the libvarpd_plugin_proxy_dhcp() and
+ *   	is used to ask the plugin to determine where is the DHCP server that
+ *   	this packet should actually be sent to. What is happening here is that
+ *   	rather than broadcast the initial DHCP request, we instead unicast it to
+ *   	a specified DHCP server that this operation vector indicates.
+ *
+ *   	The plugin is given a type, the same as the ARP plugin which indicates
+ *   	the kind of link layer address, the only valid type is
+ *   	VARPD_QTYPE_ETHERNET, other types should be rejected. Then, like the arp
+ *   	entry point, the dhcp entry point should determine the link layer
+ *   	address of the DHCP server and write that out in the appropriate memory
+ *   	and call libvarpd_plugin_dhcp_reply() when done. Similar to the arp
+ *   	entry point, it should use VARPD_LOOKUP_OK to indicate that it was
+ *   	filled in and VARPD_LOOKUP_DROP to indicate that it was not.
+ *
+ *   varpd_plugin_nprops_f
+ *
+ *   	This is used by a plugin to indicate the number of properties that
+ *   	should exist for this instance. Recall from the section that Plugin
+ *   	types and Destinations, that the number of entries here may vary. As
+ *   	such, the plugin should return the number that is appropriate for the
+ *   	instance.
+ *
+ *   	This number will be used to obtain information about a property via the
+ *   	propinfo functions. However, the getprop and setprop interfaces will
+ *   	always use names to indicate the property it is getting and setting.
+ *   	This difference is structured this way to deal with property discovery
+ *   	and to make the getprop and setprop interfaces slightly easier for other
+ *   	parts of the broader varpd/dladm infrastructure.
+ *
+ *   varpd_plugin_propinfo_f
+ *
+ *   	This interface is used to get information about a property, the property
+ *   	that information is being requested for is being passed in via the
+ *   	second argument. Here, callers should set properties such as the name,
+ *   	the protection, whether or not the property is required, set any default
+ *   	value, if it exist, and if relevant, set the valid range of values.
+ *
+ *   varpd_plugin_getprop_f
+ *
+ *   	This is used to get the value of a property, if it is set. The passed in
+ *   	length indicates the length of the buffer that is used for updating
+ *   	properties. If it is not of sufficient size, the function should return
+ *   	an error and not update the buffer. Otherwise, it should update the size
+ *   	pointer with the valid size.
+ *
+ *   varpd_plugin_setprop_f
+ *
+ *   	This is used to set the value of a property. An endpoint should validate
+ *   	that the property is valid before updating it. In addition, it should
+ *   	update its state as appropriate.
+ *
+ *   varpd_plugin_save_f
+ *
+ *   	This is used to serialize the state of a given instance of a plugin such
+ *   	that if varpd crashes, it can be recovered. The plugin should write all
+ *   	state into the nvlist that it is passed in, it may use any keys and
+ *   	values that it wants. The only consumer of that nvlist will be the
+ *   	plugin itself when the restore endpoint is called.
+ *
+ *   varpd_plugin_restore_f
+ *
+ *   	This is called by the server to restore an instance that used to exist,
+ *   	but was lost due to a crash. This is a combination of calling create and
+ *   	setting properties. The plugin should restore any private state that it
+ *   	can find recorded from the nvlist. The only items in the nvlist will be
+ *   	those that were written out during a previous call to
+ *   	varpd_plugin_save_f.
+ *
+ *
+ * Once all of these interfaces are implemented, the plugin should define the
+ * following members in the varpd_plugin_register_t.
+ *
+ *   vpr_version
+ *
+ *   	This indicates the version of the plugin. Plugins should set this to the
+ *   	macro VARPD_CURRENT_VERSION.
+ *
+ *   vpr_mode
+ *
+ *   	This indicates the mode of the plugin. The plugin's mode should be one
+ *   	of OVERLAY_TARGET_POINT and OVERLAY_TARGET_DYNAMIC. For more discussion
+ *   	of these types and the differences, see the section on Plugin Types and
+ *   	Destinations.
+ *
+ *   vpr_name
+ *
+ *   	This is the name of the plugin. This is how users will refer to it in
+ *   	the context of running dladm(1M) commands. Note, this name must be
+ *   	unique across the different plugins, as it will cause others with the
+ *   	same name not to be registered.
+ *
+ *   vpr_ops
+ *
+ *   	This is the operations vector as described above. Importantly, the
+ *   	member vpo_callbacks must be set to zero, this is being used for future
+ *   	expansion of the structure.
+ *
+ *
+ * --------------------------------------------------
+ * Downcalls, Upcalls, and Synchronization Guarantees
+ * --------------------------------------------------
+ *
+ * Every instance of a plugin is independent. Calls into a plugin may be made
+ * for different instances in parallel. Any necessary locking is left to the
+ * plugin module. Within an instance, various calls may come in parallel.
+ *
+ * The primary guarantees are that none of the varpd_plugin_save_f,
+ * varpd_plugin_lookup_f, varpd_default_f, varpd_plugin_arp_f, and
+ * varpd_plugin_dhcp_f will be called until after a call to varpd_plugin_start_f
+ * has been called. Similarly, they will not be called after a call to
+ * vardp_plugin_stop_f.
+ *
+ * The functions documented in this header may be called back into from any
+ * context, including from the operation vectors.
+ */
+
+#include <bunyan.h>
+#include <libvarpd.h>
+#include <libnvpair.h>
+#include <sys/socket.h>
+#include <sys/overlay_target.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define	VARPD_VERSION_ONE	1
+#define	VARPD_CURRENT_VERSION	VARPD_VERSION_ONE
+
+typedef struct __varpd_provier_handle varpd_provider_handle_t;
+typedef struct __varpd_query_handle varpd_query_handle_t;
+typedef struct __varpd_arp_handle varpd_arp_handle_t;
+typedef struct __varpd_dhcp_handle varpd_dhcp_handle_t;
+
+typedef int (*varpd_plugin_create_f)(varpd_provider_handle_t *, void **,
+    overlay_plugin_dest_t);
+typedef int (*varpd_plugin_start_f)(void *);
+typedef void (*varpd_plugin_stop_f)(void *);
+typedef void (*varpd_plugin_destroy_f)(void *);
+
+#define	VARPD_LOOKUP_OK		(0)
+#define	VARPD_LOOKUP_DROP	(-1)
+typedef int (*varpd_plugin_default_f)(void *, overlay_target_point_t *);
+typedef void (*varpd_plugin_lookup_f)(void *, varpd_query_handle_t *,
+    const overlay_targ_lookup_t *, overlay_target_point_t *);
+
+#define	VARPD_QTYPE_ETHERNET	0x0
+typedef void (*varpd_plugin_arp_f)(void *, varpd_arp_handle_t *, int,
+    const struct sockaddr *, uint8_t *);
+typedef void (*varpd_plugin_dhcp_f)(void *, varpd_dhcp_handle_t *, int,
+    const overlay_targ_lookup_t *, uint8_t *);
+
+typedef int (*varpd_plugin_nprops_f)(void *, uint_t *);
+typedef int (*varpd_plugin_propinfo_f)(void *, const uint_t,
+    varpd_prop_handle_t *);
+typedef int (*varpd_plugin_getprop_f)(void *, const char *, void *, uint32_t *);
+typedef int (*varpd_plugin_setprop_f)(void *, const char *, const void *,
+    const uint32_t);
+
+typedef int (*varpd_plugin_save_f)(void *, nvlist_t *);
+typedef int (*varpd_plugin_restore_f)(nvlist_t *, varpd_provider_handle_t *,
+    overlay_plugin_dest_t, void **);
+
+typedef struct varpd_plugin_ops {
+	uint_t			vpo_callbacks;
+	varpd_plugin_create_f	vpo_create;
+	varpd_plugin_start_f	vpo_start;
+	varpd_plugin_stop_f	vpo_stop;
+	varpd_plugin_destroy_f	vpo_destroy;
+	varpd_plugin_default_f	vpo_default;
+	varpd_plugin_lookup_f	vpo_lookup;
+	varpd_plugin_nprops_f	vpo_nprops;
+	varpd_plugin_propinfo_f	vpo_propinfo;
+	varpd_plugin_getprop_f	vpo_getprop;
+	varpd_plugin_setprop_f	vpo_setprop;
+	varpd_plugin_save_f	vpo_save;
+	varpd_plugin_restore_f	vpo_restore;
+	varpd_plugin_arp_f	vpo_arp;
+	varpd_plugin_dhcp_f	vpo_dhcp;
+} varpd_plugin_ops_t;
+
+typedef struct varpd_plugin_register {
+	uint_t		vpr_version;
+	uint_t		vpr_mode;
+	const char	*vpr_name;
+	const varpd_plugin_ops_t *vpr_ops;
+} varpd_plugin_register_t;
+
+extern varpd_plugin_register_t *libvarpd_plugin_alloc(uint_t, int *);
+extern void libvarpd_plugin_free(varpd_plugin_register_t *);
+extern int libvarpd_plugin_register(varpd_plugin_register_t *);
+
+/*
+ * Blowing up and logging
+ */
+extern void libvarpd_panic(const char *, ...) __NORETURN;
+extern const bunyan_logger_t *libvarpd_plugin_bunyan(varpd_provider_handle_t *);
+
+/*
+ * Misc. Information APIs
+ */
+extern uint64_t libvarpd_plugin_vnetid(varpd_provider_handle_t *);
+
+/*
+ * Lookup Replying query and proxying
+ */
+extern void libvarpd_plugin_query_reply(varpd_query_handle_t *, int);
+
+extern void libvarpd_plugin_proxy_arp(varpd_provider_handle_t *,
+    varpd_query_handle_t *, const overlay_targ_lookup_t *);
+extern void libvarpd_plugin_proxy_ndp(varpd_provider_handle_t *,
+    varpd_query_handle_t *, const overlay_targ_lookup_t *);
+extern void libvarpd_plugin_arp_reply(varpd_arp_handle_t *, int);
+
+extern void libvarpd_plugin_proxy_dhcp(varpd_provider_handle_t *,
+    varpd_query_handle_t *, const overlay_targ_lookup_t *);
+extern void libvarpd_plugin_dhcp_reply(varpd_dhcp_handle_t *, int);
+
+
+/*
+ * Property information callbacks
+ */
+extern void libvarpd_prop_set_name(varpd_prop_handle_t *, const char *);
+extern void libvarpd_prop_set_prot(varpd_prop_handle_t *, overlay_prop_prot_t);
+extern void libvarpd_prop_set_type(varpd_prop_handle_t *, overlay_prop_type_t);
+extern int libvarpd_prop_set_default(varpd_prop_handle_t *, void *, ssize_t);
+extern void libvarpd_prop_set_nodefault(varpd_prop_handle_t *);
+extern void libvarpd_prop_set_range_uint32(varpd_prop_handle_t *, uint32_t,
+    uint32_t);
+extern void libvarpd_prop_set_range_str(varpd_prop_handle_t *, const char *);
+
+/*
+ * Various injecting and invalidation routines
+ */
+extern void libvarpd_inject_varp(varpd_provider_handle_t *, const uint8_t *,
+    const overlay_target_point_t *);
+extern void libvarpd_inject_arp(varpd_provider_handle_t *, const uint16_t,
+    const uint8_t *, const struct in_addr *, const uint8_t *);
+extern void libvarpd_fma_degrade(varpd_provider_handle_t *, const char *);
+extern void libvarpd_fma_restore(varpd_provider_handle_t *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBVARPD_PROVIDER_H */
diff --git a/usr/src/lib/varpd/libvarpd/common/libvarpd_util.c b/usr/src/lib/varpd/libvarpd/common/libvarpd_util.c
new file mode 100644
index 0000000000..e21fed2126
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/libvarpd_util.c
@@ -0,0 +1,97 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <libvarpd_impl.h>
+#include <assert.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+const char *
+libvarpd_isaext(void)
+{
+#if defined(__sparc)
+#if defined(__sparcv9)
+	return ("64");
+#else	/* __sparcv9 */
+	return ("");
+#endif /* __sparvc9 */
+#elif defined(__amd64)
+	return ("64");
+#elif defined(__i386)
+	return ("");
+#else
+#error	"unkonwn ISA"
+#endif
+}
+
+int
+libvarpd_dirwalk(varpd_impl_t *vip, const char *path, const char *suffix,
+    libvarpd_dirwalk_f func, void *arg)
+{
+	int ret;
+	size_t slen;
+	char *dirpath, *filepath;
+	DIR *dirp;
+	struct dirent *dp;
+	assert(vip != NULL && path != NULL);
+
+	if (asprintf(&dirpath, "%s/%s", path, libvarpd_isaext()) == -1)
+		return (errno);
+
+	if ((dirp = opendir(dirpath)) == NULL) {
+		ret = errno;
+		return (ret);
+	}
+
+	slen = strlen(suffix);
+	for (;;) {
+		size_t len;
+
+		errno = 0;
+		dp = readdir(dirp);
+		if (dp == NULL) {
+			ret = errno;
+			break;
+		}
+
+		len = strlen(dp->d_name);
+		if (len <= slen)
+			continue;
+
+		if (strcmp(suffix, dp->d_name + (len - slen)) != 0)
+			continue;
+
+		if (asprintf(&filepath, "%s/%s", dirpath, dp->d_name) == -1) {
+			ret = errno;
+			break;
+		}
+
+		if (func(vip, filepath, arg) != 0) {
+			free(filepath);
+			ret = 0;
+			break;
+		}
+
+		free(filepath);
+	}
+
+	(void) closedir(dirp);
+	free(dirpath);
+	return (ret);
+}
diff --git a/usr/src/lib/varpd/libvarpd/common/llib-lvarpd b/usr/src/lib/varpd/libvarpd/common/llib-lvarpd
new file mode 100644
index 0000000000..85150d3463
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/llib-lvarpd
@@ -0,0 +1,19 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/* LINTLIBRARY */
+/* PROTOLIB1 */
+
+#include <libvarpd.h>
diff --git a/usr/src/lib/varpd/libvarpd/common/mapfile-plugin b/usr/src/lib/varpd/libvarpd/common/mapfile-plugin
new file mode 100644
index 0000000000..c0d463968d
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/mapfile-plugin
@@ -0,0 +1,47 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+SYMBOL_SCOPE {
+    global:
+	libvarpd_plugin_alloc		{ FLAGS = EXTERN };
+	libvarpd_plugin_free		{ FLAGS = EXTERN };
+	libvarpd_plugin_proxy_arp	{ FLAGS = EXTERN };
+	libvarpd_plugin_proxy_dhcp	{ FLAGS = EXTERN };
+	libvarpd_plugin_proxy_ndp	{ FLAGS = EXTERN };
+	libvarpd_plugin_register	{ FLAGS = EXTERN };
+	libvarpd_prop_set_name		{ FLAGS = EXTERN };
+	libvarpd_prop_set_prot		{ FLAGS = EXTERN };
+	libvarpd_prop_set_type		{ FLAGS = EXTERN };
+	libvarpd_prop_set_default	{ FLAGS = EXTERN };
+	libvarpd_prop_set_nodefault	{ FLAGS = EXTERN };
+	libvarpd_prop_set_range_uint32	{ FLAGS = EXTERN };
+	libvarpd_prop_set_rangestr	{ FLAGS = EXTERN };
+};
diff --git a/usr/src/lib/varpd/libvarpd/common/mapfile-vers b/usr/src/lib/varpd/libvarpd/common/mapfile-vers
new file mode 100644
index 0000000000..7aa930cb54
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/common/mapfile-vers
@@ -0,0 +1,113 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+SYMBOL_VERSION SUNWprivate {
+    global:
+	libvarpd_c_create;
+	libvarpd_c_destroy;
+	libvarpd_c_instance_activate;
+	libvarpd_c_instance_create;
+	libvarpd_c_instance_destroy;
+	libvarpd_c_prop_nprops;
+	libvarpd_c_prop_handle_alloc;
+	libvarpd_c_prop_handle_free;
+	libvarpd_c_prop_info_fill;
+	libvarpd_c_prop_info_fill_by_name;
+	libvarpd_c_prop_info;
+	libvarpd_c_prop_get;
+	libvarpd_c_prop_set;
+
+	libvarpd_c_instance_lookup;
+	libvarpd_c_instance_target_mode;
+	libvarpd_c_instance_cache_flush;
+	libvarpd_c_instance_cache_delete;
+	libvarpd_c_instance_cache_get;
+	libvarpd_c_instance_cache_set;
+	libvarpd_c_instance_cache_walk;
+
+	libvarpd_create;
+	libvarpd_destroy;
+
+	libvarpd_door_server_create;
+	libvarpd_door_server_destroy;
+
+	libvarpd_fma_degrade;
+	libvarpd_fma_restore;
+
+	libvarpd_inject_varp;
+	libvarpd_inject_arp;
+
+	libvarpd_instance_activate;
+	libvarpd_instance_create;
+	libvarpd_instance_destroy;
+	libvarpd_instance_lookup;
+	libvarpd_instance_id;
+
+	libvarpd_panic;
+
+	libvarpd_persist_disable;
+	libvarpd_persist_enable;
+	libvarpd_persist_restore;
+
+	libvarpd_plugin_alloc;
+	libvarpd_plugin_load;
+	libvarpd_plugin_free;
+	libvarpd_plugin_arp_reply;
+	libvarpd_plugin_dhcp_reply;
+	libvarpd_plugin_query_reply;
+	libvarpd_plugin_proxy_arp;
+	libvarpd_plugin_proxy_dhcp;
+	libvarpd_plugin_proxy_ndp;
+	libvarpd_plugin_register;
+	libvarpd_plugin_walk;
+	libvarpd_plugin_vnetid;
+
+	libvarpd_prop_set_default;
+	libvarpd_prop_set_nodefault;
+	libvarpd_prop_set_name;
+	libvarpd_prop_set_prot;
+	libvarpd_prop_set_range_uint32;
+	libvarpd_prop_set_range_str;
+	libvarpd_prop_set_type;
+
+	libvarpd_prop_handle_alloc;
+	libvarpd_prop_handle_free;
+	libvarpd_prop_nprops;
+	libvarpd_prop_info_fill;
+	libvarpd_prop_info;
+	libvarpd_prop_get;
+	libvarpd_prop_set;
+
+	libvarpd_overlay_lookup_quiesce;
+	libvarpd_overlay_lookup_run;
+    local:
+	*;
+};
diff --git a/usr/src/lib/varpd/libvarpd/i386/Makefile b/usr/src/lib/varpd/libvarpd/i386/Makefile
new file mode 100644
index 0000000000..f2b4f63da5
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/i386/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/varpd/libvarpd/sparc/Makefile b/usr/src/lib/varpd/libvarpd/sparc/Makefile
new file mode 100644
index 0000000000..f2b4f63da5
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/sparc/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/varpd/libvarpd/sparcv9/Makefile b/usr/src/lib/varpd/libvarpd/sparcv9/Makefile
new file mode 100644
index 0000000000..d552642882
--- /dev/null
+++ b/usr/src/lib/varpd/libvarpd/sparcv9/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+include ../../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/varpd/svp/Makefile b/usr/src/lib/varpd/svp/Makefile
new file mode 100644
index 0000000000..275f07bf8b
--- /dev/null
+++ b/usr/src/lib/varpd/svp/Makefile
@@ -0,0 +1,40 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include		../../Makefile.lib
+
+SUBDIRS =	$(MACH)
+$(BUILD64)SUBDIRS +=	$(MACH64)
+
+all :=		TARGET = all
+clean :=	TARGET = clean
+clobber :=	TARGET = clobber
+install :=	TARGET = install
+lint :=		TARGET = lint
+
+.KEEP_STATE:
+
+all clean clobber install lint: $(SUBDIRS)
+
+install_h:
+
+check:
+
+$(SUBDIRS):  FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
+
+include ../../Makefile.targ
diff --git a/usr/src/lib/varpd/svp/Makefile.com b/usr/src/lib/varpd/svp/Makefile.com
new file mode 100644
index 0000000000..41677b2e50
--- /dev/null
+++ b/usr/src/lib/varpd/svp/Makefile.com
@@ -0,0 +1,53 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+LIBRARY =	libvarpd_svp.a
+VERS =		.1
+OBJECTS =	libvarpd_svp.o \
+		libvarpd_svp_conn.o \
+		libvarpd_svp_crc.o \
+		libvarpd_svp_host.o \
+		libvarpd_svp_loop.o \
+		libvarpd_svp_remote.o \
+		libvarpd_svp_timer.o
+
+include ../../../Makefile.lib
+include ../../Makefile.plugin
+
+LIBS =		$(DYNLIB)
+
+#
+# Yes, this isn't a command, but libcmdutils does have the list(9F)
+# functions and better to use that then compile list.o yet again
+# ourselves... probably.
+#
+LDLIBS +=	-lc -lvarpd -lumem -lnvpair -lsocket -lnsl -lavl \
+		-lcmdutils -lidspace -lbunyan
+CPPFLAGS +=	-I../common
+
+LINTFLAGS +=	-erroff=E_BAD_PTR_CAST_ALIGN
+LINTFLAGS64 +=	-erroff=E_BAD_PTR_CAST_ALIGN
+SRCDIR =	../common
+
+C99MODE=	-xc99=%all
+C99LMODE=	-Xc99=%all
+
+.KEEP_STATE:
+
+all:	$(LIBS)
+
+lint:	lintcheck
+
+include ../../../Makefile.targ
diff --git a/usr/src/lib/varpd/svp/amd64/Makefile b/usr/src/lib/varpd/svp/amd64/Makefile
new file mode 100644
index 0000000000..d552642882
--- /dev/null
+++ b/usr/src/lib/varpd/svp/amd64/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+include ../../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/varpd/svp/common/libvarpd_svp.c b/usr/src/lib/varpd/svp/common/libvarpd_svp.c
new file mode 100644
index 0000000000..d1764912f3
--- /dev/null
+++ b/usr/src/lib/varpd/svp/common/libvarpd_svp.c
@@ -0,0 +1,1066 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015, Joyent, Inc.
+ */
+
+/*
+ * This plugin implements the SDC VXLAN Protocol (SVP).
+ *
+ * This plugin is designed to work with a broader distributed system that
+ * mainains a database of mappings and provides a means of looking up data and
+ * provides a stream of updates. While it is named after VXLAN, there isn't
+ * anything specific to VXLAN baked into the protocol at this time, other than
+ * that it requires both an IP address and a port; however, if there's a good
+ * reason to support others here, we can modify that.
+ *
+ * -----------
+ * Terminology
+ * -----------
+ *
+ * Throughout this module we refer to a few different kinds of addresses:
+ *
+ *    VL3
+ *
+ * 	A VL3 address, or virtual layer 3, refers to the layer three addreses
+ * 	that are used by entities on an overlay network. As far as we're
+ * 	concerned that means that this is the IP address of an interface on an
+ * 	overlay network.
+ *
+ *    VL2
+ *
+ *    	A VL2 address, or a virtual layer 2, referes to the link-layer addresses
+ *    	that are used by entities on an overlay network. As far as we're
+ *    	concerned that means that this is the MAC addresses of an interface on
+ *    	an overlay network.
+ *
+ *    UL3
+ *
+ *    	A UL3, or underlay layer 3, refers to the layer three (IP) address on
+ *    	the underlay network.
+ *
+ * The svp plugin provides lookups from VL3->VL2, eg. the equivalent of an ARP
+ * or NDP query, and then also provides VL2->UL3 lookups.
+ *
+ * -------------------
+ * Protocol Operations
+ * -------------------
+ *
+ * The svp protocol is defined in lib/varpd/svp/common/libvarpd_svp_prot.h. It
+ * defines the basic TCP protocol that we use to communicate to hosts. At this
+ * time, it is not quite 100% implemented in both this plug-in and our primary
+ * server, sdc-portolan (see https://github.com/joyent/sdc-portolan).
+ *
+ * At this time, we don't quite support everything that we need to. Including
+ * the SVP_R_LOG_REQ, SVP_R_BULK_REQ, and SVP_R_SHOOTDOWN.
+ *
+ * ---------------------------------
+ * General Design and Considerations
+ * ---------------------------------
+ *
+ * Every instance of the svp plugin requires the hostname and port of a server
+ * to contact. Though, we have co-opted the port 1296 (the year of the oldest
+ * extant portolan) as our default port.
+ *
+ * Each of the different instance of the plugins has a corresponding remote
+ * backend. The remote backend represents the tuple of the [ host, port ].
+ * Different instances that share the same host and port tuple will use the same
+ * backend.
+ *
+ * The backend is actually in charge of performing lookups, resolving and
+ * updating the set of remote hosts based on the DNS resolution we've been
+ * provided, and taking care of things like shootdowns.
+ *
+ * The whole plugin itself maintains an event loop and a number of threads to
+ * service that event loop. On top of that event loop, we have a simple timer
+ * backend that ticks at one second intervals and performs various callbacks,
+ * such as idle query timers, DNS resolution, connection backoff, etc. Each of
+ * the remote hosts that we obtain is wrapped up in an svp_conn_t, which manages
+ * the connection state, reconnecting, etc.
+ *
+ * All in all, the general way that this all looks like is:
+ *
+ *  +----------------------------+
+ *  | Plugin Instance            |
+ *  | svp_t                      |
+ *  |                            |
+ *  | varpd_provider_handle_t * -+-> varpd handle
+ *  | uint64_t               ----+-> varpd ID
+ *  | char *                 ----+-> remote host
+ *  | uint16_t               ----+-> remote port
+ *  | svp_remote_t *   ---+------+-> remote backend
+ *  +---------------------+------+
+ *                        |
+ *                        v
+ *   +----------------------+                   +----------------+
+ *   | Remote backend       |------------------>| Remove Backend |---> ...
+ *   | svp_remote_t         |                   | svp_remote_t   |
+ *   |                      |                   +----------------+
+ *   | svp_remote_state_t --+-> state flags
+ *   | svp_degrade_state_t -+-> degraded reason
+ *   | struct addrinfo *  --+-> resolved hosts
+ *   | uint_t            ---+-> active hosts
+ *   | uint_t            ---+-> DNS generation
+ *   | uint_t            ---+-> Reference count
+ *   | uint_t            ---+-> active conns
+ *   | uint_t            ---+-> degraded conns
+ *   | list_t        ---+---+-> connection list
+ *   +------------------+---+
+ *                      |
+ *                      +------------------------------+-----------------+
+ *                      |                              |                 |
+ *                      v                              v                 v
+ *   +-------------------+                       +----------------
+ *   | SVP Connection    |                       | SVP connection |     ...
+ *   | svp_conn_t        |                       | svp_conn_t     |
+ *   |                   |                       +----------------+
+ *   | svp_event_t   ----+-> event loop handle
+ *   | svp_timer_t   ----+-> backoff timer
+ *   | svp_timer_t   ----+-> query timer
+ *   | int           ----+-> socket fd
+ *   | uint_t        ----+-> generation
+ *   | uint_t        ----+-> current backoff
+ *   | svp_conn_flags_t -+-> connection flags
+ *   | svp_conn_state_t -+-> connection state
+ *   | svp_conn_error_t -+-> connection error
+ *   | int            ---+-> last errrno
+ *   | hrtime_t       ---+-> activity timestamp
+ *   | svp_conn_out_t ---+-> outgoing data state
+ *   | svp_conn_in_t  ---+-> incoming data state
+ *   | list_t      ---+--+-> active queries
+ *   +----------------+--+
+ *                    |
+ *                    +----------------------------------+-----------------+
+ *                    |                                  |                 |
+ *                    v                                  v                 v
+ *   +--------------------+                       +-------------+
+ *   | SVP Query          |                       | SVP Query   |         ...
+ *   | svp_query_t        |                       | svp_query_t |
+ *   |                    |                       +-------------+
+ *   | svp_query_f     ---+-> callback function
+ *   | void *          ---+-> callback arg
+ *   | svp_query_state_t -+-> state flags
+ *   | svp_req_t       ---+-> svp prot. header
+ *   | svp_query_data_t --+-> read data
+ *   | svp_query_data_t --+-> write data
+ *   | svp_status_t    ---+-> request status
+ *   +--------------------+
+ *
+ * The svp_t is the instance that we assoicate with varpd. The instance itself
+ * maintains properties and then when it's started associates with an
+ * svp_remote_t, which is the remote backend. The remote backend itself,
+ * maintains the DNS state and spins up and downs connections based on the
+ * results from DNS. By default, we query DNS every 30 seconds. For more on the
+ * connection life cycle, see the next section.
+ *
+ * By default, each connection maintains its own back off timer and list of
+ * queries it's servicing. Only one request is generally outstanding at a time
+ * and requests are round robined across the various connections.
+ *
+ * The query itself represents the svp request that's going on and keep track of
+ * its state and is a place for data that's read and written to as part of the
+ * request.
+ *
+ * Connections maintain a query timer such that if we have not received data on
+ * a socket for a certain amount of time, we kill that socket and begin a
+ * reconnection cycle with backoff.
+ *
+ * ------------------------
+ * Connection State Machine
+ * ------------------------
+ *
+ * We have a connection pool that's built upon DNS records. DNS describes the
+ * membership of the set of remote peers that make up our pool and we maintain
+ * one connection to each of them.  In addition, we maintain an exponential
+ * backoff for each peer and will attempt to reconect immediately before backing
+ * off. The following are the valid states that a connection can be in:
+ *
+ * 	SVP_CS_ERROR		An OS error has occurred on this connection,
+ * 				such as failure to create a socket or associate
+ * 				the socket with an event port. We also
+ * 				transition all connections to this state before
+ * 				we destroy them.
+ *
+ *	SVP_CS_INITIAL		This is the initial state of a connection, all
+ *				that should exist is an unbound socket.
+ *
+ *	SVP_CS_CONNECTING	A call to connect has been made and we are
+ *				polling for it to complete.
+ *
+ *	SVP_CS_BACKOFF		A connect attempt has failed and we are
+ *				currently backing off, waiting to try again.
+ *
+ *	SVP_CS_ACTIVE		We have successfully connected to the remote
+ *				system.
+ *
+ *	SVP_CS_WINDDOWN		This connection is going to valhalla. In other
+ *				words, a previously active connection is no
+ *				longer valid in DNS, so we should curb our use
+ *				of it, and reap it as soon as we have other
+ *				active connections.
+ *
+ * The following diagram attempts to describe our state transition scheme, and
+ * when we transition from one state to the next.
+ *
+ *                               |
+ *                               * New remote IP from DNS resolution,
+ *                               | not currently active in the system.
+ *                               |
+ *                               v                                Socket Error,
+ *                       +----------------+                       still in DNS
+ *  +----------------<---| SVP_CS_INITIAL |<----------------------*-----+
+ *  |                    +----------------+                             |
+ *  |                            System  |                              |
+ *  | Connection . . . . .       success *               Successful     |
+ *  | failed             .               |               connect()      |
+ *  |               +----*---------+     |        +-----------*--+      |
+ *  |               |              |     |        |              |      |
+ *  |               V              ^     v        ^              V      ^
+ *  |  +----------------+         +-------------------+     +---------------+
+ *  +<-| SVP_CS_BACKOFF |         | SVP_CS_CONNECTING |     | SVP_CS_ACTIVE |
+ *  |  +----------------+         +-------------------+     +---------------+
+ *  |               V              ^  V                       V  V
+ *  | Backoff wait  *              |  |                       |  * Removed
+ *  v interval      +--------------+  +-----------------<-----+  | from DNS
+ *  | finished                        |                          |
+ *  |                                 V                          |
+ *  |                                 |                          V
+ *  |                                 |            +-----------------+
+ *  +----------------+----------<-----+-------<----| SVP_CS_WINDDOWN |
+ *                   |                             +-----------------+
+ *                   * . . .   Fatal system, not
+ *                   |         socket error or
+ *                   V         quiesced after
+ *           +--------------+  removal from DNS
+ *           | SVP_CS_ERROR |
+ *           +--------------+
+ *                   |
+ *                   * . . . Removed from DNS
+ *                   v
+ *            +------------+
+ *            | Connection |
+ *            | Destroyed  |
+ *            +------------+
+ *
+ * ------------
+ * Notes on DNS
+ * ------------
+ *
+ * Unfortunately, doing host name resolution in a way that allows us to leverage
+ * the system's resolvers and the system's caching, require us to make blocking
+ * calls in libc via getaddrinfo(3SOCKET). If we can't reach a given server,
+ * that will tie up a thread for quite some time. To work around that fact,
+ * we're going to create a fixed number of threads and we'll use them to service
+ * our DNS requests. While this isn't ideal, until we have a sane means of
+ * integrating a DNS resolution into an event loop with say portfs, it's not
+ * going to be a fun day no matter what we do.
+ *
+ * ------
+ * Timers
+ * ------
+ *
+ * We maintain a single timer based on CLOCK_REALTIME. It's designed to fire
+ * every second. While we'd rather use CLOCK_HIGHRES just to alleviate ourselves
+ * from timer drift; however, as zones may not actually have CLOCK_HIGHRES
+ * access, we don't want them to end up in there. The timer itself is just a
+ * simple avl tree sorted by expiration time, which is stored as a tick in the
+ * future, a tick is just one second.
+ */
+
+#include <umem.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <libnvpair.h>
+#include <strings.h>
+#include <string.h>
+#include <assert.h>
+#include <unistd.h>
+
+#include <libvarpd_provider.h>
+#include "libvarpd_svp.h"
+
+bunyan_logger_t *svp_bunyan;
+static int svp_defport = 1296;
+static int svp_defuport = 1339;
+static umem_cache_t *svp_lookup_cache;
+
+typedef enum svp_lookup_type {
+	SVP_L_UNKNOWN	= 0x0,
+	SVP_L_VL2	= 0x1,
+	SVP_L_VL3	= 0x2
+} svp_lookup_type_t;
+
+typedef struct svp_lookup {
+	int svl_type;
+	union {
+		struct svl_lookup_vl2 {
+			varpd_query_handle_t	*svl_handle;
+			overlay_target_point_t	*svl_point;
+		} svl_vl2;
+		struct svl_lookup_vl3 {
+			varpd_arp_handle_t	*svl_vah;
+			uint8_t			*svl_out;
+		} svl_vl3;
+	} svl_u;
+	svp_query_t				svl_query;
+} svp_lookup_t;
+
+static const char *varpd_svp_props[] = {
+	"svp/host",
+	"svp/port",
+	"svp/underlay_ip",
+	"svp/underlay_port"
+};
+
+int
+svp_comparator(const void *l, const void *r)
+{
+	const svp_t *ls = l;
+	const svp_t *rs = r;
+
+	if (ls->svp_vid > rs->svp_vid)
+		return (1);
+	if (ls->svp_vid < rs->svp_vid)
+		return (-1);
+	return (0);
+}
+
+static void
+svp_vl2_lookup_cb(svp_t *svp, svp_status_t status, const struct in6_addr *uip,
+    const uint16_t uport, void *arg)
+{
+	svp_lookup_t *svl = arg;
+	overlay_target_point_t *otp;
+
+	assert(svp != NULL);
+	assert(arg != NULL);
+
+	if (status != SVP_S_OK) {
+		libvarpd_plugin_query_reply(svl->svl_u.svl_vl2.svl_handle,
+		    VARPD_LOOKUP_DROP);
+		umem_cache_free(svp_lookup_cache, svl);
+		return;
+	}
+
+	otp = svl->svl_u.svl_vl2.svl_point;
+	bcopy(uip, &otp->otp_ip, sizeof (struct in6_addr));
+	otp->otp_port = uport;
+	libvarpd_plugin_query_reply(svl->svl_u.svl_vl2.svl_handle,
+	    VARPD_LOOKUP_OK);
+	umem_cache_free(svp_lookup_cache, svl);
+}
+
+static void
+svp_vl3_lookup_cb(svp_t *svp, svp_status_t status, const uint8_t *vl2mac,
+    const struct in6_addr *uip, const uint16_t uport, void *arg)
+{
+	overlay_target_point_t point;
+	svp_lookup_t *svl = arg;
+
+	assert(svp != NULL);
+	assert(svl != NULL);
+
+	if (status != SVP_S_OK) {
+		libvarpd_plugin_arp_reply(svl->svl_u.svl_vl3.svl_vah,
+		    VARPD_LOOKUP_DROP);
+		umem_cache_free(svp_lookup_cache, svl);
+		return;
+	}
+
+	/* Inject the L2 mapping before the L3 */
+	bcopy(uip, &point.otp_ip, sizeof (struct in6_addr));
+	point.otp_port = uport;
+	libvarpd_inject_varp(svp->svp_hdl, vl2mac, &point);
+
+	bcopy(vl2mac, svl->svl_u.svl_vl3.svl_out, ETHERADDRL);
+	libvarpd_plugin_arp_reply(svl->svl_u.svl_vl3.svl_vah,
+	    VARPD_LOOKUP_OK);
+	umem_cache_free(svp_lookup_cache, svl);
+}
+
+static void
+svp_vl2_invalidate_cb(svp_t *svp, const uint8_t *vl2mac)
+{
+	libvarpd_inject_varp(svp->svp_hdl, vl2mac, NULL);
+}
+
+static void
+svp_vl3_inject_cb(svp_t *svp, const uint16_t vlan, const struct in6_addr *vl3ip,
+    const uint8_t *vl2mac, const uint8_t *targmac)
+{
+	struct in_addr v4;
+
+	if (IN6_IS_ADDR_V4MAPPED(vl3ip) == 0)
+		libvarpd_panic("implement libvarpd_inject_ndp");
+	IN6_V4MAPPED_TO_INADDR(vl3ip, &v4);
+	libvarpd_inject_arp(svp->svp_hdl, vlan, vl2mac, &v4, targmac);
+}
+
+/* ARGSUSED */
+static void
+svp_shootdown_cb(svp_t *svp, const uint8_t *vl2mac, const struct in6_addr *uip,
+    const uint16_t uport)
+{
+	/*
+	 * We should probably do a conditional invlaidation here.
+	 */
+	libvarpd_inject_varp(svp->svp_hdl, vl2mac, NULL);
+}
+
+static svp_cb_t svp_defops = {
+	svp_vl2_lookup_cb,
+	svp_vl3_lookup_cb,
+	svp_vl2_invalidate_cb,
+	svp_vl3_inject_cb,
+	svp_shootdown_cb
+};
+
+static boolean_t
+varpd_svp_valid_dest(overlay_plugin_dest_t dest)
+{
+	if (dest != (OVERLAY_PLUGIN_D_IP | OVERLAY_PLUGIN_D_PORT))
+		return (B_FALSE);
+
+	return (B_TRUE);
+}
+
+static int
+varpd_svp_create(varpd_provider_handle_t *hdl, void **outp,
+    overlay_plugin_dest_t dest)
+{
+	int ret;
+	svp_t *svp;
+
+	if (varpd_svp_valid_dest(dest) == B_FALSE)
+		return (ENOTSUP);
+
+	svp = umem_zalloc(sizeof (svp_t), UMEM_DEFAULT);
+	if (svp == NULL)
+		return (ENOMEM);
+
+	if ((ret = mutex_init(&svp->svp_lock, USYNC_THREAD, NULL)) != 0) {
+		umem_free(svp, sizeof (svp_t));
+		return (ret);
+	}
+
+	svp->svp_port = svp_defport;
+	svp->svp_uport = svp_defuport;
+	svp->svp_cb = svp_defops;
+	svp->svp_hdl = hdl;
+	svp->svp_vid = libvarpd_plugin_vnetid(svp->svp_hdl);
+	*outp = svp;
+	return (0);
+}
+
+static int
+varpd_svp_start(void *arg)
+{
+	int ret;
+	svp_remote_t *srp;
+	svp_t *svp = arg;
+
+	(void) mutex_lock(&svp->svp_lock);
+	if (svp->svp_host == NULL || svp->svp_port == 0 ||
+	    svp->svp_huip == B_FALSE || svp->svp_uport == 0) {
+		(void) mutex_unlock(&svp->svp_lock);
+		return (EAGAIN);
+	}
+	(void) mutex_unlock(&svp->svp_lock);
+
+	if ((ret = svp_remote_find(svp->svp_host, svp->svp_port, &srp)) != 0)
+		return (ret);
+
+	if ((ret = svp_remote_attach(srp, svp)) != 0) {
+		svp_remote_release(srp);
+		return (ret);
+	}
+
+	return (0);
+}
+
+static void
+varpd_svp_stop(void *arg)
+{
+	svp_t *svp = arg;
+
+	svp_remote_detach(svp);
+}
+
+static void
+varpd_svp_destroy(void *arg)
+{
+	svp_t *svp = arg;
+
+	if (svp->svp_host != NULL)
+		umem_free(svp->svp_host, strlen(svp->svp_host) + 1);
+
+	if (mutex_destroy(&svp->svp_lock) != 0)
+		libvarpd_panic("failed to destroy svp_t`svp_lock");
+
+	umem_free(svp, sizeof (svp_t));
+}
+
+static void
+varpd_svp_lookup(void *arg, varpd_query_handle_t *vqh,
+    const overlay_targ_lookup_t *otl, overlay_target_point_t *otp)
+{
+	svp_lookup_t *slp;
+	svp_t *svp = arg;
+	static const uint8_t bcast[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+
+	/*
+	 * Check if this is something that we need to proxy, eg. arp or ndp.
+	 */
+	if (otl->otl_sap == ETHERTYPE_ARP) {
+		libvarpd_plugin_proxy_arp(svp->svp_hdl, vqh, otl);
+		return;
+	}
+
+	if (otl->otl_dstaddr[0] == 0x33 &&
+	    otl->otl_dstaddr[1] == 0x33) {
+		if (otl->otl_sap == ETHERTYPE_IPV6) {
+			libvarpd_plugin_proxy_ndp(svp->svp_hdl, vqh, otl);
+		} else {
+			libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		}
+		return;
+	}
+
+	/*
+	 * Watch out for various multicast and broadcast addresses. We've
+	 * already taken care of the IPv6 range above. Now we just need to
+	 * handle broadcast and if the multicast bit is set, lowest bit of the
+	 * first octet of the MAC, then we drop it now.
+	 */
+	if (bcmp(otl->otl_dstaddr, bcast, ETHERADDRL) == 0 ||
+	    (otl->otl_dstaddr[0] & 0x01) == 0x01) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	/*
+	 * If we have a failure to allocate memory for this, that's not good.
+	 * However, telling the kernel to just drop this packet is much better
+	 * than the alternative at this moment. At least we'll try again and we
+	 * may have something more available to us in a little bit.
+	 */
+	slp = umem_cache_alloc(svp_lookup_cache, UMEM_DEFAULT);
+	if (slp == NULL) {
+		libvarpd_plugin_query_reply(vqh, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	slp->svl_type = SVP_L_VL2;
+	slp->svl_u.svl_vl2.svl_handle = vqh;
+	slp->svl_u.svl_vl2.svl_point = otp;
+
+	svp_remote_vl2_lookup(svp, &slp->svl_query, otl->otl_dstaddr, slp);
+}
+
+/* ARGSUSED */
+static int
+varpd_svp_nprops(void *arg, uint_t *nprops)
+{
+	*nprops = sizeof (varpd_svp_props) / sizeof (char *);
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+varpd_svp_propinfo(void *arg, uint_t propid, varpd_prop_handle_t *vph)
+{
+	switch (propid) {
+	case 0:
+		/* svp/host */
+		libvarpd_prop_set_name(vph, varpd_svp_props[0]);
+		libvarpd_prop_set_prot(vph, OVERLAY_PROP_PERM_RRW);
+		libvarpd_prop_set_type(vph, OVERLAY_PROP_T_STRING);
+		libvarpd_prop_set_nodefault(vph);
+		break;
+	case 1:
+		/* svp/port */
+		libvarpd_prop_set_name(vph, varpd_svp_props[1]);
+		libvarpd_prop_set_prot(vph, OVERLAY_PROP_PERM_RRW);
+		libvarpd_prop_set_type(vph, OVERLAY_PROP_T_UINT);
+		(void) libvarpd_prop_set_default(vph, &svp_defport,
+		    sizeof (svp_defport));
+		libvarpd_prop_set_range_uint32(vph, 1, UINT16_MAX);
+		break;
+	case 2:
+		/* svp/underlay_ip */
+		libvarpd_prop_set_name(vph, varpd_svp_props[2]);
+		libvarpd_prop_set_prot(vph, OVERLAY_PROP_PERM_RRW);
+		libvarpd_prop_set_type(vph, OVERLAY_PROP_T_IP);
+		libvarpd_prop_set_nodefault(vph);
+		break;
+	case 3:
+		/* svp/underlay_port */
+		libvarpd_prop_set_name(vph, varpd_svp_props[3]);
+		libvarpd_prop_set_prot(vph, OVERLAY_PROP_PERM_RRW);
+		libvarpd_prop_set_type(vph, OVERLAY_PROP_T_UINT);
+		(void) libvarpd_prop_set_default(vph, &svp_defuport,
+		    sizeof (svp_defuport));
+		libvarpd_prop_set_range_uint32(vph, 1, UINT16_MAX);
+		break;
+	default:
+		return (EINVAL);
+	}
+	return (0);
+}
+
+static int
+varpd_svp_getprop(void *arg, const char *pname, void *buf, uint32_t *sizep)
+{
+	svp_t *svp = arg;
+
+	/* svp/host */
+	if (strcmp(pname, varpd_svp_props[0]) == 0) {
+		size_t len;
+
+		(void) mutex_lock(&svp->svp_lock);
+		if (svp->svp_host == NULL) {
+			*sizep = 0;
+		} else {
+			len = strlen(svp->svp_host) + 1;
+			if (*sizep < len) {
+				(void) mutex_unlock(&svp->svp_lock);
+				return (EOVERFLOW);
+			}
+			*sizep = len;
+			(void) strlcpy(buf, svp->svp_host, *sizep);
+		}
+		(void) mutex_unlock(&svp->svp_lock);
+		return (0);
+	}
+
+	/* svp/port */
+	if (strcmp(pname, varpd_svp_props[1]) == 0) {
+		uint64_t val;
+
+		if (*sizep < sizeof (uint64_t))
+			return (EOVERFLOW);
+
+		(void) mutex_lock(&svp->svp_lock);
+		if (svp->svp_port == 0) {
+			*sizep = 0;
+		} else {
+			val = svp->svp_port;
+			bcopy(&val, buf, sizeof (uint64_t));
+			*sizep = sizeof (uint64_t);
+		}
+
+		(void) mutex_unlock(&svp->svp_lock);
+		return (0);
+	}
+
+	/* svp/underlay_ip */
+	if (strcmp(pname, varpd_svp_props[2]) == 0) {
+		if (*sizep > sizeof (struct in6_addr))
+			return (EOVERFLOW);
+		(void) mutex_lock(&svp->svp_lock);
+		if (svp->svp_huip == B_FALSE) {
+			*sizep = 0;
+		} else {
+			bcopy(&svp->svp_uip, buf, sizeof (struct in6_addr));
+			*sizep = sizeof (struct in6_addr);
+		}
+		return (0);
+	}
+
+	/* svp/underlay_port */
+	if (strcmp(pname, varpd_svp_props[3]) == 0) {
+		uint64_t val;
+
+		if (*sizep < sizeof (uint64_t))
+			return (EOVERFLOW);
+
+		(void) mutex_lock(&svp->svp_lock);
+		if (svp->svp_uport == 0) {
+			*sizep = 0;
+		} else {
+			val = svp->svp_uport;
+			bcopy(&val, buf, sizeof (uint64_t));
+			*sizep = sizeof (uint64_t);
+		}
+
+		(void) mutex_unlock(&svp->svp_lock);
+		return (0);
+	}
+
+	return (EINVAL);
+}
+
+static int
+varpd_svp_setprop(void *arg, const char *pname, const void *buf,
+    const uint32_t size)
+{
+	svp_t *svp = arg;
+
+	/* svp/host */
+	if (strcmp(pname, varpd_svp_props[0]) == 0) {
+		char *dup;
+		dup = umem_alloc(size, UMEM_DEFAULT);
+		(void) strlcpy(dup, buf, size);
+		if (dup == NULL)
+			return (ENOMEM);
+		(void) mutex_lock(&svp->svp_lock);
+		if (svp->svp_host != NULL)
+			umem_free(svp->svp_host, strlen(svp->svp_host) + 1);
+		svp->svp_host = dup;
+		(void) mutex_unlock(&svp->svp_lock);
+		return (0);
+	}
+
+	/* svp/port */
+	if (strcmp(pname, varpd_svp_props[1]) == 0) {
+		const uint64_t *valp = buf;
+		if (size < sizeof (uint64_t))
+			return (EOVERFLOW);
+
+		if (*valp == 0 || *valp > UINT16_MAX)
+			return (EINVAL);
+
+		(void) mutex_lock(&svp->svp_lock);
+		svp->svp_port = (uint16_t)*valp;
+		(void) mutex_unlock(&svp->svp_lock);
+		return (0);
+	}
+
+	/* svp/underlay_ip */
+	if (strcmp(pname, varpd_svp_props[2]) == 0) {
+		const struct in6_addr *ipv6 = buf;
+
+		if (size < sizeof (struct in6_addr))
+			return (EOVERFLOW);
+
+		if (IN6_IS_ADDR_V4COMPAT(ipv6))
+			return (EINVAL);
+
+		if (IN6_IS_ADDR_MULTICAST(ipv6))
+			return (EINVAL);
+
+		if (IN6_IS_ADDR_6TO4(ipv6))
+			return (EINVAL);
+
+		if (IN6_IS_ADDR_V4MAPPED(ipv6)) {
+			ipaddr_t v4;
+			IN6_V4MAPPED_TO_IPADDR(ipv6, v4);
+			if (IN_MULTICAST(v4))
+				return (EINVAL);
+		}
+
+		(void) mutex_lock(&svp->svp_lock);
+		bcopy(buf, &svp->svp_uip, sizeof (struct in6_addr));
+		svp->svp_huip = B_TRUE;
+		(void) mutex_unlock(&svp->svp_lock);
+		return (0);
+	}
+
+	/* svp/underlay_port */
+	if (strcmp(pname, varpd_svp_props[3]) == 0) {
+		const uint64_t *valp = buf;
+		if (size < sizeof (uint64_t))
+			return (EOVERFLOW);
+
+		if (*valp == 0 || *valp > UINT16_MAX)
+			return (EINVAL);
+
+		(void) mutex_lock(&svp->svp_lock);
+		svp->svp_uport = (uint16_t)*valp;
+		(void) mutex_unlock(&svp->svp_lock);
+
+		return (0);
+	}
+
+	return (EINVAL);
+}
+
+static int
+varpd_svp_save(void *arg, nvlist_t *nvp)
+{
+	int ret;
+	svp_t *svp = arg;
+
+	(void) mutex_lock(&svp->svp_lock);
+	if (svp->svp_host != NULL) {
+		if ((ret = nvlist_add_string(nvp, varpd_svp_props[0],
+		    svp->svp_host)) != 0) {
+			(void) mutex_unlock(&svp->svp_lock);
+			return (ret);
+		}
+	}
+
+	if (svp->svp_port != 0) {
+		if ((ret = nvlist_add_uint16(nvp, varpd_svp_props[1],
+		    svp->svp_port)) != 0) {
+			(void) mutex_unlock(&svp->svp_lock);
+			return (ret);
+		}
+	}
+
+	if (svp->svp_huip == B_TRUE) {
+		char buf[INET6_ADDRSTRLEN];
+
+		if (inet_ntop(AF_INET6, &svp->svp_uip, buf, sizeof (buf)) ==
+		    NULL)
+			libvarpd_panic("unexpected inet_ntop failure: %d",
+			    errno);
+
+		if ((ret = nvlist_add_string(nvp, varpd_svp_props[2],
+		    buf)) != 0) {
+			(void) mutex_unlock(&svp->svp_lock);
+			return (ret);
+		}
+	}
+
+	if (svp->svp_uport != 0) {
+		if ((ret = nvlist_add_uint16(nvp, varpd_svp_props[3],
+		    svp->svp_uport)) != 0) {
+			(void) mutex_unlock(&svp->svp_lock);
+			return (ret);
+		}
+	}
+
+	(void) mutex_unlock(&svp->svp_lock);
+	return (0);
+}
+
+static int
+varpd_svp_restore(nvlist_t *nvp, varpd_provider_handle_t *hdl,
+    overlay_plugin_dest_t dest, void **outp)
+{
+	int ret;
+	svp_t *svp;
+	char *ipstr, *hstr;
+
+	if (varpd_svp_valid_dest(dest) == B_FALSE)
+		return (ENOTSUP);
+
+	if ((ret = varpd_svp_create(hdl, (void **)&svp, dest)) != 0)
+		return (ret);
+
+	if ((ret = nvlist_lookup_string(nvp, varpd_svp_props[0],
+	    &hstr)) != 0) {
+		if (ret != ENOENT) {
+			varpd_svp_destroy(svp);
+			return (ret);
+		}
+		svp->svp_host = NULL;
+	} else {
+		size_t blen = strlen(hstr) + 1;
+		svp->svp_host = umem_alloc(blen, UMEM_DEFAULT);
+		(void) strlcpy(svp->svp_host, hstr, blen);
+	}
+
+	if ((ret = nvlist_lookup_uint16(nvp, varpd_svp_props[1],
+	    &svp->svp_port)) != 0) {
+		if (ret != ENOENT) {
+			varpd_svp_destroy(svp);
+			return (ret);
+		}
+		svp->svp_port = 0;
+	}
+
+	if ((ret = nvlist_lookup_string(nvp, varpd_svp_props[2],
+	    &ipstr)) != 0) {
+		if (ret != ENOENT) {
+			varpd_svp_destroy(svp);
+			return (ret);
+		}
+		svp->svp_huip = B_FALSE;
+	} else {
+		ret = inet_pton(AF_INET6, ipstr, &svp->svp_uip);
+		if (ret == -1) {
+			assert(errno == EAFNOSUPPORT);
+			libvarpd_panic("unexpected inet_pton failure: %d",
+			    errno);
+		}
+
+		if (ret == 0) {
+			varpd_svp_destroy(svp);
+			return (EINVAL);
+		}
+		svp->svp_huip = B_TRUE;
+	}
+
+	if ((ret = nvlist_lookup_uint16(nvp, varpd_svp_props[3],
+	    &svp->svp_uport)) != 0) {
+		if (ret != ENOENT) {
+			varpd_svp_destroy(svp);
+			return (ret);
+		}
+		svp->svp_uport = 0;
+	}
+
+	svp->svp_hdl = hdl;
+	*outp = svp;
+	return (0);
+}
+
+static void
+varpd_svp_arp(void *arg, varpd_arp_handle_t *vah, int type,
+    const struct sockaddr *sock, uint8_t *out)
+{
+	svp_t *svp = arg;
+	svp_lookup_t *svl;
+
+	if (type != VARPD_QTYPE_ETHERNET) {
+		libvarpd_plugin_arp_reply(vah, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	svl = umem_cache_alloc(svp_lookup_cache, UMEM_DEFAULT);
+	if (svl == NULL) {
+		libvarpd_plugin_arp_reply(vah, VARPD_LOOKUP_DROP);
+		return;
+	}
+
+	svl->svl_type = SVP_L_VL3;
+	svl->svl_u.svl_vl3.svl_vah = vah;
+	svl->svl_u.svl_vl3.svl_out = out;
+	svp_remote_vl3_lookup(svp, &svl->svl_query, sock, svl);
+}
+
+static const varpd_plugin_ops_t varpd_svp_ops = {
+	0,
+	varpd_svp_create,
+	varpd_svp_start,
+	varpd_svp_stop,
+	varpd_svp_destroy,
+	NULL,
+	varpd_svp_lookup,
+	varpd_svp_nprops,
+	varpd_svp_propinfo,
+	varpd_svp_getprop,
+	varpd_svp_setprop,
+	varpd_svp_save,
+	varpd_svp_restore,
+	varpd_svp_arp,
+	NULL
+};
+
+static int
+svp_bunyan_init(void)
+{
+	int ret;
+
+	if ((ret = bunyan_init("svp", &svp_bunyan)) != 0)
+		return (ret);
+	ret = bunyan_stream_add(svp_bunyan, "stderr", BUNYAN_L_INFO,
+	    bunyan_stream_fd, (void *)STDERR_FILENO);
+	if (ret != 0)
+		bunyan_fini(svp_bunyan);
+	return (ret);
+}
+
+static void
+svp_bunyan_fini(void)
+{
+	if (svp_bunyan != NULL)
+		bunyan_fini(svp_bunyan);
+}
+
+#pragma init(varpd_svp_init)
+static void
+varpd_svp_init(void)
+{
+	int err;
+	varpd_plugin_register_t *vpr;
+
+	if (svp_bunyan_init() != 0)
+		return;
+
+	if ((err = svp_host_init()) != 0) {
+		(void) bunyan_error(svp_bunyan, "failed to init host subsystem",
+		    BUNYAN_T_INT32, "error", err,
+		    BUNYAN_T_END);
+		svp_bunyan_fini();
+		return;
+	}
+
+	svp_lookup_cache = umem_cache_create("svp_lookup",
+	    sizeof (svp_lookup_t),  0, NULL, NULL, NULL, NULL, NULL, 0);
+	if (svp_lookup_cache == NULL) {
+		(void) bunyan_error(svp_bunyan,
+		    "failed to create svp_lookup cache",
+		    BUNYAN_T_INT32, "error", errno,
+		    BUNYAN_T_END);
+		svp_bunyan_fini();
+		return;
+	}
+
+	if ((err = svp_event_init()) != 0) {
+		(void) bunyan_error(svp_bunyan,
+		    "failed to init event subsystem",
+		    BUNYAN_T_INT32, "error", err,
+		    BUNYAN_T_END);
+		svp_bunyan_fini();
+		umem_cache_destroy(svp_lookup_cache);
+		return;
+	}
+
+	if ((err = svp_timer_init()) != 0) {
+		(void) bunyan_error(svp_bunyan,
+		    "failed to init timer subsystem",
+		    BUNYAN_T_INT32, "error", err,
+		    BUNYAN_T_END);
+		svp_event_fini();
+		umem_cache_destroy(svp_lookup_cache);
+		svp_bunyan_fini();
+		return;
+	}
+
+	if ((err = svp_remote_init()) != 0) {
+		(void) bunyan_error(svp_bunyan,
+		    "failed to init remote subsystem",
+		    BUNYAN_T_INT32, "error", err,
+		    BUNYAN_T_END);
+		svp_event_fini();
+		umem_cache_destroy(svp_lookup_cache);
+		svp_bunyan_fini();
+		return;
+	}
+
+	vpr = libvarpd_plugin_alloc(VARPD_CURRENT_VERSION, &err);
+	if (vpr == NULL) {
+		(void) bunyan_error(svp_bunyan,
+		    "failed to alloc varpd plugin",
+		    BUNYAN_T_INT32, "error", err,
+		    BUNYAN_T_END);
+		svp_remote_fini();
+		svp_event_fini();
+		umem_cache_destroy(svp_lookup_cache);
+		svp_bunyan_fini();
+		return;
+	}
+
+	vpr->vpr_mode = OVERLAY_TARGET_DYNAMIC;
+	vpr->vpr_name = "svp";
+	vpr->vpr_ops = &varpd_svp_ops;
+
+	if ((err = libvarpd_plugin_register(vpr)) != 0) {
+		(void) bunyan_error(svp_bunyan,
+		    "failed to register varpd plugin",
+		    BUNYAN_T_INT32, "error", err,
+		    BUNYAN_T_END);
+		svp_remote_fini();
+		svp_event_fini();
+		umem_cache_destroy(svp_lookup_cache);
+		svp_bunyan_fini();
+
+	}
+	libvarpd_plugin_free(vpr);
+}
diff --git a/usr/src/lib/varpd/svp/common/libvarpd_svp.h b/usr/src/lib/varpd/svp/common/libvarpd_svp.h
new file mode 100644
index 0000000000..a9b68bcc4e
--- /dev/null
+++ b/usr/src/lib/varpd/svp/common/libvarpd_svp.h
@@ -0,0 +1,307 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _LIBVARPD_SVP_H
+#define	_LIBVARPD_SVP_H
+
+/*
+ * Implementation details of the SVP plugin and the SVP protocol.
+ */
+
+#include <netinet/in.h>
+#include <sys/ethernet.h>
+#include <thread.h>
+#include <synch.h>
+#include <libvarpd_provider.h>
+#include <sys/avl.h>
+#include <port.h>
+#include <sys/list.h>
+#include <bunyan.h>
+
+#include <libvarpd_svp_prot.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct svp svp_t;
+typedef struct svp_remote svp_remote_t;
+typedef struct svp_conn svp_conn_t;
+typedef struct svp_query svp_query_t;
+
+typedef void (*svp_event_f)(port_event_t *, void *);
+
+typedef struct svp_event {
+	svp_event_f	se_func;
+	void		*se_arg;
+	int		se_events;
+} svp_event_t;
+
+typedef void (*svp_timer_f)(void *);
+
+typedef struct svp_timer {
+	svp_timer_f	st_func;
+	void		*st_arg;
+	boolean_t	st_oneshot;
+	uint32_t	st_value;
+	/* Fields below here are private to the svp_timer implementaiton */
+	uint64_t	st_expire;
+	boolean_t	st_delivering;
+	avl_node_t	st_link;
+} svp_timer_t;
+
+typedef union svp_query_data {
+	svp_vl2_req_t	sqd_vl2r;
+	svp_vl2_ack_t	sqd_vl2a;
+	svp_vl3_req_t	sdq_vl3r;
+	svp_vl3_ack_t	sdq_vl3a;
+} svp_query_data_t;
+
+typedef void (*svp_query_f)(svp_query_t *, void *);
+
+typedef enum svp_query_state {
+	SVP_QUERY_INIT		= 0x00,
+	SVP_QUERY_WRITING	= 0x01,
+	SVP_QUERY_READING	= 0x02,
+	SVP_QUERY_FINISHED	= 0x03
+} svp_query_state_t;
+
+/*
+ * The query structure is usable for all forms of svp queries that end up
+ * getting passed across. Right now it's optimized for the fixed size data
+ * requests as opposed to requests whose responses will always be streaming in
+ * nature. Though, the streaming requests are the less common ones we have. We
+ * may need to make additional changes for those.
+ */
+struct svp_query {
+	list_node_t		sq_lnode;
+	svp_query_f		sq_func;
+	svp_query_state_t	sq_state;
+	void			*sq_arg;
+	svp_t			*sq_svp;
+	svp_req_t		sq_header;
+	svp_query_data_t	sq_rdun;
+	svp_query_data_t	sq_wdun;
+	svp_status_t		sq_status;
+	void			*sq_rdata;
+	size_t			sq_rsize;
+	void			*sq_wdata;
+	size_t			sq_wsize;
+	hrtime_t		sq_acttime;
+};
+
+typedef enum svp_conn_state {
+	SVP_CS_ERROR		= 0x00,
+	SVP_CS_INITIAL		= 0x01,
+	SVP_CS_CONNECTING	= 0x02,
+	SVP_CS_BACKOFF		= 0x03,
+	SVP_CS_ACTIVE		= 0x04,
+	SVP_CS_WINDDOWN		= 0x05
+} svp_conn_state_t;
+
+typedef enum svp_conn_error {
+	SVP_CE_NONE		= 0x00,
+	SVP_CE_ASSOCIATE	= 0x01,
+	SVP_CE_NOPOLLOUT	= 0x02,
+	SVP_CE_SOCKET		= 0x03
+} svp_conn_error_t;
+
+typedef enum svp_conn_flags {
+	SVP_CF_ADDED		= 0x01,
+	SVP_CF_DEGRADED		= 0x02,
+	SVP_CF_REAP		= 0x04,
+	SVP_CF_TEARDOWN		= 0x08,
+	SVP_CF_UFLAG		= 0x0c,
+	SVP_CF_USER		= 0x10
+} svp_conn_flags_t;
+
+typedef struct svp_conn_out {
+	svp_query_t		*sco_query;
+	size_t			sco_offset;
+} svp_conn_out_t;
+
+typedef struct svp_conn_in {
+	svp_query_t 		*sci_query;
+	svp_req_t		sci_req;
+	size_t			sci_offset;
+} svp_conn_in_t;
+
+struct svp_conn {
+	svp_remote_t		*sc_remote;	/* RO */
+	struct in6_addr		sc_addr;	/* RO */
+	list_node_t		sc_rlist;	/* svp_remote_t`sr_lock */
+	mutex_t			sc_lock;
+	svp_event_t		sc_event;
+	svp_timer_t		sc_btimer;
+	svp_timer_t		sc_qtimer;
+	int			sc_socket;
+	uint_t			sc_gen;
+	uint_t			sc_nbackoff;
+	svp_conn_flags_t	sc_flags;
+	svp_conn_state_t	sc_cstate;
+	svp_conn_error_t	sc_error;
+	int			sc_errno;
+	hrtime_t		sc_lastact;
+	list_t			sc_queries;
+	svp_conn_out_t		sc_output;
+	svp_conn_in_t		sc_input;
+};
+
+typedef enum svp_remote_state {
+	SVP_RS_LOOKUP_SCHEDULED		= 0x01,	/* On the DNS Queue */
+	SVP_RS_LOOKUP_INPROGRESS 	= 0x02,	/* Doing a DNS lookup */
+	SVP_RS_LOOKUP_VALID		= 0x04	/* addrinfo valid */
+} svp_remote_state_t;
+
+/*
+ * These series of bit-based flags should be ordered such that the most severe
+ * is first. We only can set one message that user land can see, so if more than
+ * one is set we want to make sure that one is there.
+ */
+typedef enum svp_degrade_state {
+	SVP_RD_DNS_FAIL		= 0x01,	/* DNS Resolution Failure */
+	SVP_RD_REMOTE_FAIL	= 0x02,	/* cannot reach any remote peers */
+	SVP_RD_ALL		= 0x03	/* Only suitable for restore */
+} svp_degrade_state_t;
+
+struct svp_remote {
+	char			*sr_hostname;	/* RO */
+	uint16_t		sr_rport;	/* RO */
+	avl_node_t		sr_gnode;	/* svp_remote_lock */
+	svp_remote_t		*sr_nexthost;	/* svp_host_lock */
+	mutex_t			sr_lock;
+	cond_t			sr_cond;
+	svp_remote_state_t	sr_state;
+	svp_degrade_state_t	sr_degrade;
+	struct addrinfo 	*sr_addrinfo;
+	avl_tree_t		sr_tree;
+	uint_t			sr_count;	/* active count */
+	uint_t			sr_gen;
+	uint_t			sr_tconns;	/* total conns + dconns */
+	uint_t			sr_ndconns;	/* number of degraded conns */
+	list_t			sr_conns;	/* all conns */
+};
+
+/*
+ * We have a bunch of different things that we get back from the API at the
+ * plug-in layer. These include:
+ *
+ *   o OOB Shootdowns
+ *   o VL3->VL2 Lookups
+ *   o VL2->UL3 Lookups
+ *   o VL2 Log invalidations
+ *   o VL3 Log injections
+ */
+typedef void (*svp_vl2_lookup_f)(svp_t *, svp_status_t, const struct in6_addr *,
+    const uint16_t, void *);
+typedef void (*svp_vl3_lookup_f)(svp_t *, svp_status_t, const uint8_t *,
+    const struct in6_addr *, const uint16_t, void *);
+typedef void (*svp_vl2_invalidation_f)(svp_t *, const uint8_t *);
+typedef void (*svp_vl3_inject_f)(svp_t *, const uint16_t,
+    const struct in6_addr *, const uint8_t *, const uint8_t *);
+typedef void (*svp_shootdown_f)(svp_t *, const uint8_t *,
+    const struct in6_addr *, const uint16_t uport);
+
+typedef struct svp_cb {
+	svp_vl2_lookup_f	scb_vl2_lookup;
+	svp_vl3_lookup_f	scb_vl3_lookup;
+	svp_vl2_invalidation_f	scb_vl2_invalidate;
+	svp_vl3_inject_f	scb_vl3_inject;
+	svp_shootdown_f		scb_shootdown;
+} svp_cb_t;
+
+/*
+ * Core implementation structure.
+ */
+struct svp {
+	overlay_plugin_dest_t	svp_dest;	/* RO */
+	varpd_provider_handle_t	*svp_hdl;	/* RO */
+	svp_cb_t		svp_cb;		/* RO */
+	uint64_t		svp_vid;	/* RO */
+	avl_node_t 		svp_rlink;	/* Owned by svp_remote */
+	svp_remote_t		*svp_remote;	/* RO iff started */
+	mutex_t			svp_lock;
+	char			*svp_host;	/* svp_lock */
+	uint16_t		svp_port;	/* svp_lock */
+	uint16_t		svp_uport;	/* svp_lock */
+	boolean_t		svp_huip;	/* svp_lock */
+	struct in6_addr		svp_uip;	/* svp_lock */
+};
+
+extern bunyan_logger_t *svp_bunyan;
+
+extern int svp_remote_find(char *, uint16_t, svp_remote_t **);
+extern int svp_remote_attach(svp_remote_t *, svp_t *);
+extern void svp_remote_detach(svp_t *);
+extern void svp_remote_release(svp_remote_t *);
+extern void svp_remote_vl3_lookup(svp_t *, svp_query_t *,
+    const struct sockaddr *, void *);
+extern void svp_remote_vl2_lookup(svp_t *, svp_query_t *, const uint8_t *,
+    void *);
+
+/*
+ * Init functions
+ */
+extern int svp_remote_init(void);
+extern void svp_remote_fini(void);
+extern int svp_event_init(void);
+extern int svp_event_timer_init(svp_event_t *);
+extern void svp_event_fini(void);
+extern int svp_host_init(void);
+extern int svp_timer_init(void);
+
+/*
+ * Timers
+ */
+extern int svp_tickrate;
+extern void svp_timer_add(svp_timer_t *);
+extern void svp_timer_remove(svp_timer_t *);
+
+/*
+ * Event loop management
+ */
+extern int svp_event_associate(svp_event_t *, int);
+extern int svp_event_dissociate(svp_event_t *, int);
+extern int svp_event_inject(void *);
+
+/*
+ * Connection manager
+ */
+extern int svp_conn_create(svp_remote_t *, const struct in6_addr *);
+extern void svp_conn_destroy(svp_conn_t *);
+extern void svp_conn_fallout(svp_conn_t *);
+extern void svp_conn_queue(svp_conn_t *, svp_query_t *);
+
+/*
+ * FMA related
+ */
+extern void svp_remote_degrade(svp_remote_t *, svp_degrade_state_t);
+extern void svp_remote_restore(svp_remote_t *, svp_degrade_state_t);
+
+/*
+ * Misc.
+ */
+extern int svp_comparator(const void *, const void *);
+extern void svp_remote_reassign(svp_remote_t *, svp_conn_t *);
+extern void svp_remote_resolved(svp_remote_t *, struct addrinfo *);
+extern void svp_host_queue(svp_remote_t *);
+extern void svp_query_release(svp_query_t *);
+extern void svp_query_crc32(svp_req_t *, void *, size_t);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBVARPD_SVP_H */
diff --git a/usr/src/lib/varpd/svp/common/libvarpd_svp_conn.c b/usr/src/lib/varpd/svp/common/libvarpd_svp_conn.c
new file mode 100644
index 0000000000..85786d6dd9
--- /dev/null
+++ b/usr/src/lib/varpd/svp/common/libvarpd_svp_conn.c
@@ -0,0 +1,960 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * Logic to manage an individual connection to a remote host.
+ *
+ * For more information, see the big theory statement in
+ * lib/varpd/svp/common/libvarpd_svp.c.
+ */
+
+#include <assert.h>
+#include <umem.h>
+#include <errno.h>
+#include <strings.h>
+#include <unistd.h>
+#include <stddef.h>
+#include <sys/uio.h>
+
+#include <libvarpd_svp.h>
+
+static int svp_conn_query_timeout = 30;
+static int svp_conn_backoff_tbl[] = { 1, 2, 4, 8, 16, 32 };
+static int svp_conn_nbackoff = sizeof (svp_conn_backoff_tbl) / sizeof (int);
+
+typedef enum svp_conn_act {
+	SVP_RA_NONE	= 0x00,
+	SVP_RA_DEGRADE	= 0x01,
+	SVP_RA_RESTORE	= 0x02,
+	SVP_RA_ERROR	= 0x03,
+	SVP_RA_CLEANUP	= 0x04
+} svp_conn_act_t;
+
+static void
+svp_conn_inject(svp_conn_t *scp)
+{
+	int ret;
+	assert(MUTEX_HELD(&scp->sc_lock));
+
+	if (scp->sc_flags & SVP_CF_USER)
+		return;
+	scp->sc_flags |= SVP_CF_USER;
+	if ((ret = svp_event_inject(scp)) != 0)
+		libvarpd_panic("failed to inject event: %d\n", ret);
+}
+
+static void
+svp_conn_degrade(svp_conn_t *scp)
+{
+	svp_remote_t *srp = scp->sc_remote;
+
+	assert(MUTEX_HELD(&srp->sr_lock));
+	assert(MUTEX_HELD(&scp->sc_lock));
+
+	if (scp->sc_flags & SVP_CF_DEGRADED)
+		return;
+
+	scp->sc_flags |= SVP_CF_DEGRADED;
+	srp->sr_ndconns++;
+	if (srp->sr_ndconns == srp->sr_tconns)
+		svp_remote_degrade(srp, SVP_RD_REMOTE_FAIL);
+}
+
+static void
+svp_conn_restore(svp_conn_t *scp)
+{
+	svp_remote_t *srp = scp->sc_remote;
+
+	assert(MUTEX_HELD(&srp->sr_lock));
+	assert(MUTEX_HELD(&scp->sc_lock));
+
+	if (!(scp->sc_flags & SVP_CF_DEGRADED))
+		return;
+
+	scp->sc_flags &= ~SVP_CF_DEGRADED;
+	if (srp->sr_ndconns == srp->sr_tconns)
+		svp_remote_restore(srp, SVP_RD_REMOTE_FAIL);
+	srp->sr_ndconns--;
+}
+
+static void
+svp_conn_add(svp_conn_t *scp)
+{
+	svp_remote_t *srp = scp->sc_remote;
+
+	assert(MUTEX_HELD(&srp->sr_lock));
+	assert(MUTEX_HELD(&scp->sc_lock));
+
+	if (scp->sc_flags & SVP_CF_ADDED)
+		return;
+
+	list_insert_tail(&srp->sr_conns, scp);
+	scp->sc_flags |= SVP_CF_ADDED;
+	srp->sr_tconns++;
+}
+
+static void
+svp_conn_remove(svp_conn_t *scp)
+{
+	svp_remote_t *srp = scp->sc_remote;
+
+	assert(MUTEX_HELD(&srp->sr_lock));
+	assert(MUTEX_HELD(&scp->sc_lock));
+
+	if (!(scp->sc_flags & SVP_CF_ADDED))
+		return;
+
+	scp->sc_flags &= ~SVP_CF_ADDED;
+	if (scp->sc_flags & SVP_CF_DEGRADED)
+		srp->sr_ndconns--;
+	srp->sr_tconns--;
+	if (srp->sr_tconns == srp->sr_ndconns)
+		svp_remote_degrade(srp, SVP_RD_REMOTE_FAIL);
+}
+
+static svp_query_t *
+svp_conn_query_find(svp_conn_t *scp, uint32_t id)
+{
+	svp_query_t *sqp;
+
+	assert(MUTEX_HELD(&scp->sc_lock));
+
+	for (sqp = list_head(&scp->sc_queries); sqp != NULL;
+	    sqp = list_next(&scp->sc_queries, sqp)) {
+		if (sqp->sq_header.svp_id == id)
+			break;
+	}
+
+	return (sqp);
+}
+
+static svp_conn_act_t
+svp_conn_backoff(svp_conn_t *scp)
+{
+	assert(MUTEX_HELD(&scp->sc_lock));
+
+	if (close(scp->sc_socket) != 0)
+		libvarpd_panic("failed to close socket %d: %d\n",
+		    scp->sc_socket, errno);
+	scp->sc_socket = -1;
+
+	scp->sc_cstate = SVP_CS_BACKOFF;
+	scp->sc_nbackoff++;
+	if (scp->sc_nbackoff >= svp_conn_nbackoff) {
+		scp->sc_btimer.st_value =
+		    svp_conn_backoff_tbl[svp_conn_nbackoff - 1];
+	} else {
+		scp->sc_btimer.st_value =
+		    svp_conn_backoff_tbl[scp->sc_nbackoff - 1];
+	}
+	svp_timer_add(&scp->sc_btimer);
+
+	if (scp->sc_nbackoff > svp_conn_nbackoff)
+		return (SVP_RA_DEGRADE);
+	return (SVP_RA_NONE);
+}
+
+static svp_conn_act_t
+svp_conn_connect(svp_conn_t *scp)
+{
+	int ret;
+	struct sockaddr_in6 in6;
+
+	assert(MUTEX_HELD(&scp->sc_lock));
+	assert(scp->sc_cstate == SVP_CS_BACKOFF ||
+	    scp->sc_cstate == SVP_CS_INITIAL);
+	assert(scp->sc_socket == -1);
+	if (scp->sc_cstate == SVP_CS_INITIAL)
+		scp->sc_nbackoff = 0;
+
+	scp->sc_socket = socket(AF_INET6, SOCK_STREAM | SOCK_NONBLOCK, 0);
+	if (scp->sc_socket == -1) {
+		scp->sc_error = SVP_CE_SOCKET;
+		scp->sc_errno = errno;
+		scp->sc_cstate = SVP_CS_ERROR;
+		return (SVP_RA_DEGRADE);
+	}
+
+	bzero(&in6, sizeof (struct sockaddr_in6));
+	in6.sin6_family = AF_INET6;
+	in6.sin6_port = htons(scp->sc_remote->sr_rport);
+	bcopy(&scp->sc_addr, &in6.sin6_addr,  sizeof (struct in6_addr));
+	ret = connect(scp->sc_socket, (struct sockaddr *)&in6,
+	    sizeof (struct sockaddr_in6));
+	if (ret != 0) {
+		boolean_t async = B_FALSE;
+
+		switch (errno) {
+		case EACCES:
+		case EADDRINUSE:
+		case EAFNOSUPPORT:
+		case EALREADY:
+		case EBADF:
+		case EISCONN:
+		case ELOOP:
+		case ENOENT:
+		case ENOSR:
+		case EWOULDBLOCK:
+			libvarpd_panic("unanticipated connect errno %d", errno);
+			break;
+		case EINPROGRESS:
+		case EINTR:
+			async = B_TRUE;
+		default:
+			break;
+		}
+
+		/*
+		 * So, we will be connecting to this in the future, advance our
+		 * state and make sure that we poll for the next round.
+		 */
+		if (async == B_TRUE) {
+			scp->sc_cstate = SVP_CS_CONNECTING;
+			scp->sc_event.se_events = POLLOUT | POLLHUP;
+			ret = svp_event_associate(&scp->sc_event,
+			    scp->sc_socket);
+			if (ret == 0)
+				return (SVP_RA_NONE);
+			scp->sc_error = SVP_CE_ASSOCIATE;
+			scp->sc_errno = ret;
+			scp->sc_cstate = SVP_CS_ERROR;
+			return (SVP_RA_DEGRADE);
+		} else {
+			/*
+			 * This call failed, which means that we obtained one of
+			 * the following:
+			 *
+			 * EADDRNOTAVAIL
+			 * ECONNREFUSED
+			 * EIO
+			 * ENETUNREACH
+			 * EHOSTUNREACH
+			 * ENXIO
+			 * ETIMEDOUT
+			 *
+			 * Therefore we need to set ourselves into backoff and
+			 * wait for that to clear up.
+			 */
+			return (svp_conn_backoff(scp));
+		}
+	}
+
+	/*
+	 * We've connected. Successfully move ourselves to the bound
+	 * state and start polling.
+	 */
+	scp->sc_cstate = SVP_CS_ACTIVE;
+	scp->sc_event.se_events = POLLIN | POLLRDNORM | POLLHUP;
+	ret = svp_event_associate(&scp->sc_event, scp->sc_socket);
+	if (ret == 0)
+		return (SVP_RA_RESTORE);
+	scp->sc_error = SVP_CE_ASSOCIATE;
+	scp->sc_cstate = SVP_CS_ERROR;
+
+	return (SVP_RA_DEGRADE);
+}
+
+/*
+ * This should be the first call we get after a connect. If we have successfully
+ * connected, we should see a writeable event. We may also see an error or a
+ * hang up. In either of these cases, we transition to error mode. If there is
+ * also a readable event, we ignore it at the moment and just let a
+ * reassociation pick it up so we can simplify the set of state transitions that
+ * we have.
+ */
+static svp_conn_act_t
+svp_conn_poll_connect(port_event_t *pe, svp_conn_t *scp)
+{
+	int ret, err;
+	socklen_t sl = sizeof (err);
+	if (!(pe->portev_events & POLLOUT)) {
+		scp->sc_errno = 0;
+		scp->sc_error = SVP_CE_NOPOLLOUT;
+		scp->sc_cstate = SVP_CS_ERROR;
+		return (SVP_RA_DEGRADE);
+	}
+
+	ret = getsockopt(scp->sc_socket, SOL_SOCKET, SO_ERROR, &err, &sl);
+	if (ret != 0)
+		libvarpd_panic("unanticipated getsockopt error");
+	if (err != 0) {
+		return (svp_conn_backoff(scp));
+	}
+
+	scp->sc_cstate = SVP_CS_ACTIVE;
+	scp->sc_event.se_events = POLLIN | POLLRDNORM | POLLHUP;
+	ret = svp_event_associate(&scp->sc_event, scp->sc_socket);
+	if (ret == 0)
+		return (SVP_RA_RESTORE);
+	scp->sc_error = SVP_CE_ASSOCIATE;
+	scp->sc_errno = ret;
+	scp->sc_cstate = SVP_CS_ERROR;
+	return (SVP_RA_DEGRADE);
+}
+
+static svp_conn_act_t
+svp_conn_pollout(svp_conn_t *scp)
+{
+	svp_query_t *sqp;
+	svp_req_t *req;
+	size_t off;
+	struct iovec iov[2];
+	int nvecs = 0;
+	ssize_t ret;
+
+	assert(MUTEX_HELD(&scp->sc_lock));
+
+	/*
+	 * We need to find a query and start writing it out.
+	 */
+	if (scp->sc_output.sco_query == NULL) {
+		for (sqp = list_head(&scp->sc_queries); sqp != NULL;
+		    sqp = list_next(&scp->sc_queries, sqp)) {
+			if (sqp->sq_state != SVP_QUERY_INIT)
+				continue;
+			break;
+		}
+
+		if (sqp == NULL) {
+			scp->sc_event.se_events &= ~POLLOUT;
+			return (SVP_RA_NONE);
+		}
+
+		scp->sc_output.sco_query = sqp;
+		scp->sc_output.sco_offset = 0;
+		sqp->sq_state = SVP_QUERY_WRITING;
+		svp_query_crc32(&sqp->sq_header, sqp->sq_rdata, sqp->sq_rsize);
+	}
+
+	sqp = scp->sc_output.sco_query;
+	req = &sqp->sq_header;
+	off = scp->sc_output.sco_offset;
+	if (off < sizeof (svp_req_t)) {
+		iov[nvecs].iov_base = (void *)((uintptr_t)req + off);
+		iov[nvecs].iov_len = sizeof (svp_req_t) - off;
+		nvecs++;
+		off = 0;
+	} else {
+		off -= sizeof (svp_req_t);
+	}
+
+	iov[nvecs].iov_base = (void *)((uintptr_t)sqp->sq_rdata + off);
+	iov[nvecs].iov_len = sqp->sq_rsize - off;
+	nvecs++;
+
+	do {
+		ret = writev(scp->sc_socket, iov, nvecs);
+	} while (ret == -1 && errno == EAGAIN);
+	if (ret == -1) {
+		switch (errno) {
+		case EAGAIN:
+			scp->sc_event.se_events |= POLLOUT;
+			return (SVP_RA_NONE);
+		case EIO:
+		case ENXIO:
+		case ECONNRESET:
+			return (SVP_RA_ERROR);
+		default:
+			libvarpd_panic("unexpected errno: %d", errno);
+		}
+	}
+
+	scp->sc_output.sco_offset += ret;
+	if (ret >= sizeof (svp_req_t) + sqp->sq_rsize) {
+		sqp->sq_state = SVP_QUERY_READING;
+		scp->sc_output.sco_query = NULL;
+		scp->sc_output.sco_offset = 0;
+		scp->sc_event.se_events |= POLLOUT;
+	}
+	return (SVP_RA_NONE);
+}
+
+static boolean_t
+svp_conn_pollin_validate(svp_conn_t *scp)
+{
+	svp_query_t *sqp;
+	uint32_t nsize;
+	uint16_t nvers, nop;
+	svp_req_t *resp = &scp->sc_input.sci_req;
+
+	assert(MUTEX_HELD(&scp->sc_lock));
+
+	nvers = ntohs(resp->svp_ver);
+	nop = ntohs(resp->svp_op);
+	nsize = ntohl(resp->svp_size);
+
+	if (nvers != SVP_CURRENT_VERSION) {
+		(void) bunyan_warn(svp_bunyan, "unsupported version",
+		    BUNYAN_T_IP, "remote_ip", &scp->sc_addr,
+		    BUNYAN_T_INT32, "remote_port", scp->sc_remote->sr_rport,
+		    BUNYAN_T_INT32, "version", nvers,
+		    BUNYAN_T_INT32, "operation", nop,
+		    BUNYAN_T_INT32, "response_id", resp->svp_id,
+		    BUNYAN_T_END);
+		return (B_FALSE);
+	}
+
+	if (nop != SVP_R_VL2_ACK && nop != SVP_R_VL3_ACK) {
+		(void) bunyan_warn(svp_bunyan, "unsupported operation",
+		    BUNYAN_T_IP, "remote_ip", &scp->sc_addr,
+		    BUNYAN_T_INT32, "remote_port", scp->sc_remote->sr_rport,
+		    BUNYAN_T_INT32, "version", nvers,
+		    BUNYAN_T_INT32, "operation", nop,
+		    BUNYAN_T_INT32, "response_id", resp->svp_id,
+		    BUNYAN_T_END);
+		return (B_FALSE);
+	}
+
+	sqp = svp_conn_query_find(scp, resp->svp_id);
+	if (sqp == NULL) {
+		(void) bunyan_warn(svp_bunyan, "unknown response id",
+		    BUNYAN_T_IP, "remote_ip", &scp->sc_addr,
+		    BUNYAN_T_INT32, "remote_port", scp->sc_remote->sr_rport,
+		    BUNYAN_T_INT32, "version", nvers,
+		    BUNYAN_T_INT32, "operation", nop,
+		    BUNYAN_T_INT32, "response_id", resp->svp_id,
+		    BUNYAN_T_END);
+		return (B_FALSE);
+	}
+
+	if (sqp->sq_state != SVP_QUERY_READING) {
+		(void) bunyan_warn(svp_bunyan,
+		    "got response for unexpecting query",
+		    BUNYAN_T_IP, "remote_ip", &scp->sc_addr,
+		    BUNYAN_T_INT32, "remote_port", scp->sc_remote->sr_rport,
+		    BUNYAN_T_INT32, "version", nvers,
+		    BUNYAN_T_INT32, "operation", nop,
+		    BUNYAN_T_INT32, "response_id", resp->svp_id,
+		    BUNYAN_T_INT32, "query_state", sqp->sq_state,
+		    BUNYAN_T_END);
+		return (B_FALSE);
+	}
+
+	if ((nop == SVP_R_VL2_ACK && nsize != sizeof (svp_vl2_ack_t)) ||
+	    (nop == SVP_R_VL3_ACK && nsize != sizeof (svp_vl3_ack_t))) {
+		(void) bunyan_warn(svp_bunyan, "response size too large",
+		    BUNYAN_T_IP, "remote ip", &scp->sc_addr,
+		    BUNYAN_T_INT32, "remote port", scp->sc_remote->sr_rport,
+		    BUNYAN_T_INT32, "version", nvers,
+		    BUNYAN_T_INT32, "operation", nop,
+		    BUNYAN_T_INT32, "response id", resp->svp_id,
+		    BUNYAN_T_INT32, "response size", nsize,
+		    BUNYAN_T_INT32, "expected size", nop == SVP_R_VL2_ACK ?
+		    sizeof (svp_vl2_ack_t) : sizeof (svp_vl3_ack_t),
+		    BUNYAN_T_INT32, "query state", sqp->sq_state,
+		    BUNYAN_T_END);
+		return (B_FALSE);
+	}
+
+	scp->sc_input.sci_query = sqp;
+	sqp->sq_wdata = &sqp->sq_wdun;
+	sqp->sq_wsize = sizeof (svp_query_data_t);
+
+	return (B_TRUE);
+}
+
+static svp_conn_act_t
+svp_conn_pollin(svp_conn_t *scp)
+{
+	size_t off, total;
+	ssize_t ret;
+	svp_query_t *sqp;
+	uint32_t crc;
+	uint16_t nop;
+
+	assert(MUTEX_HELD(&scp->sc_lock));
+
+	/*
+	 * No query implies that we're reading in the header and that the offset
+	 * is associted with it.
+	 */
+	off = scp->sc_input.sci_offset;
+	sqp = scp->sc_input.sci_query;
+	if (scp->sc_input.sci_query == NULL) {
+		svp_req_t *resp = &scp->sc_input.sci_req;
+
+		assert(off < sizeof (svp_req_t));
+
+		do {
+			ret = read(scp->sc_socket,
+			    (void *)((uintptr_t)resp + off),
+			    sizeof (svp_req_t) - off);
+		} while (ret == -1 && errno == EINTR);
+		if (ret == -1) {
+			switch (errno) {
+			case EAGAIN:
+				scp->sc_event.se_events |= POLLIN | POLLRDNORM;
+				return (SVP_RA_NONE);
+			case EIO:
+			case ECONNRESET:
+				return (SVP_RA_ERROR);
+				break;
+			default:
+				libvarpd_panic("unexpeted read errno: %d",
+				    errno);
+			}
+		} else if (ret == 0) {
+			/* Try to reconnect to the remote host */
+			return (SVP_RA_ERROR);
+		}
+
+		/* Didn't get all the data we need */
+		if (off + ret < sizeof (svp_req_t)) {
+			scp->sc_input.sci_offset += ret;
+			scp->sc_event.se_events |= POLLIN | POLLRDNORM;
+			return (SVP_RA_NONE);
+		}
+
+		if (svp_conn_pollin_validate(scp) != B_TRUE)
+			return (SVP_RA_ERROR);
+	}
+
+	sqp = scp->sc_input.sci_query;
+	assert(sqp != NULL);
+	total = ntohl(scp->sc_input.sci_req.svp_size);
+	do {
+		ret = read(scp->sc_socket,
+		    (void *)((uintptr_t)sqp->sq_wdata + off),
+		    total - off);
+	} while (ret == -1 && errno == EINTR);
+
+	if (ret == -1) {
+		switch (errno) {
+		case EAGAIN:
+			scp->sc_event.se_events |= POLLIN | POLLRDNORM;
+			return (SVP_RA_NONE);
+		case EIO:
+		case ECONNRESET:
+			return (SVP_RA_ERROR);
+			break;
+		default:
+			libvarpd_panic("unexpeted read errno: %d", errno);
+		}
+	} else if (ret == 0) {
+		/* Try to reconnect to the remote host */
+		return (SVP_RA_ERROR);
+	}
+
+	if (ret + off < total) {
+		scp->sc_input.sci_offset += ret;
+		return (SVP_RA_NONE);
+	}
+
+	nop = ntohs(scp->sc_input.sci_req.svp_op);
+	crc = scp->sc_input.sci_req.svp_crc32;
+	svp_query_crc32(&scp->sc_input.sci_req, sqp->sq_wdata, total);
+	if (crc != scp->sc_input.sci_req.svp_crc32) {
+		(void) bunyan_info(svp_bunyan, "crc32 mismatch",
+		    BUNYAN_T_IP, "remote ip", &scp->sc_addr,
+		    BUNYAN_T_INT32, "remote port", scp->sc_remote->sr_rport,
+		    BUNYAN_T_INT32, "version",
+		    ntohs(scp->sc_input.sci_req.svp_ver),
+		    BUNYAN_T_INT32, "operation", nop,
+		    BUNYAN_T_INT32, "response id",
+		    ntohl(scp->sc_input.sci_req.svp_id),
+		    BUNYAN_T_INT32, "query state", sqp->sq_state,
+		    BUNYAN_T_UINT32, "msg_crc", ntohl(crc),
+		    BUNYAN_T_UINT32, "calc_crc",
+		    ntohl(scp->sc_input.sci_req.svp_crc32),
+		    BUNYAN_T_END);
+		return (SVP_RA_ERROR);
+	}
+	scp->sc_input.sci_query = NULL;
+	scp->sc_input.sci_offset = 0;
+
+	if (nop == SVP_R_VL2_ACK) {
+		svp_vl2_ack_t *sl2a = sqp->sq_wdata;
+		sqp->sq_status = ntohl(sl2a->sl2a_status);
+	} else if (nop == SVP_R_VL3_ACK) {
+		svp_vl3_ack_t *sl3a = sqp->sq_wdata;
+		sqp->sq_status = ntohl(sl3a->sl3a_status);
+	} else {
+		libvarpd_panic("unhandled nop: %d", nop);
+	}
+
+	list_remove(&scp->sc_queries, sqp);
+	(void) mutex_unlock(&scp->sc_lock);
+
+	/*
+	 * We have to release all of our resources associated with this entry
+	 * before we call the callback. After we call it, the memory will be
+	 * lost to time.
+	 */
+	svp_query_release(sqp);
+	sqp->sq_func(sqp, sqp->sq_arg);
+	(void) mutex_lock(&scp->sc_lock);
+	scp->sc_event.se_events |= POLLIN | POLLRDNORM;
+
+	return (SVP_RA_NONE);
+}
+
+static svp_conn_act_t
+svp_conn_reset(svp_conn_t *scp)
+{
+	svp_remote_t *srp = scp->sc_remote;
+
+	assert(MUTEX_HELD(&srp->sr_lock));
+	assert(MUTEX_HELD(&scp->sc_lock));
+
+	assert(svp_event_dissociate(&scp->sc_event, scp->sc_socket) ==
+	    ENOENT);
+	if (close(scp->sc_socket) != 0)
+		libvarpd_panic("failed to close socket %d: %d", scp->sc_socket,
+		    errno);
+	scp->sc_socket = -1;
+	scp->sc_cstate = SVP_CS_INITIAL;
+	scp->sc_input.sci_query = NULL;
+	scp->sc_output.sco_query = NULL;
+
+	svp_remote_reassign(srp, scp);
+
+	return (svp_conn_connect(scp));
+}
+
+/*
+ * This is our general state transition function. We're called here when we want
+ * to advance part of our state machine as well as to re-arm ourselves. We can
+ * also end up here from the standard event loop as a result of having a user
+ * event posted.
+ */
+static void
+svp_conn_handler(port_event_t *pe, void *arg)
+{
+	svp_conn_t *scp = arg;
+	svp_remote_t *srp = scp->sc_remote;
+	svp_conn_act_t ret = SVP_RA_NONE;
+	svp_conn_state_t oldstate;
+
+	(void) mutex_lock(&scp->sc_lock);
+
+	/*
+	 * Check if one of our event interrupts is set. An event interrupt, such
+	 * as having to be reaped or be torndown is notified by a
+	 * PORT_SOURCE_USER event that tries to take care of this. However,
+	 * because of the fact that the event loop can be ongoing despite this,
+	 * we may get here before the PORT_SOURCE_USER has casued us to get
+	 * here. In such a case, if the PORT_SOURCE_USER event is tagged, then
+	 * we're going to opt to do nothing here and wait for it to come and
+	 * tear us down. That will also indicate to us that we have nothing to
+	 * worry about as far as general timing and the like goes.
+	 */
+
+	if ((scp->sc_flags & SVP_CF_UFLAG) != 0 &&
+	    (scp->sc_flags & SVP_CF_USER) != 0 &&
+	    pe != NULL &&
+	    pe->portev_source != PORT_SOURCE_USER) {
+		(void) mutex_unlock(&scp->sc_lock);
+		return;
+	}
+
+	if (pe != NULL && pe->portev_source == PORT_SOURCE_USER) {
+		scp->sc_flags &= ~SVP_CF_USER;
+		if ((scp->sc_flags & SVP_CF_UFLAG) == 0) {
+			(void) mutex_unlock(&scp->sc_lock);
+			return;
+		}
+	}
+
+	/* Check if this needs to be freed */
+	if (scp->sc_flags & SVP_CF_REAP) {
+		(void) mutex_unlock(&scp->sc_lock);
+		svp_conn_destroy(scp);
+		return;
+	}
+
+	/* Check if this needs to be reset */
+	if (scp->sc_flags & SVP_CF_TEARDOWN) {
+		ret = SVP_RA_ERROR;
+		goto out;
+	}
+
+	switch (scp->sc_cstate) {
+	case SVP_CS_INITIAL:
+	case SVP_CS_BACKOFF:
+		assert(pe == NULL);
+		ret = svp_conn_connect(scp);
+		break;
+	case SVP_CS_CONNECTING:
+		assert(pe != NULL);
+		ret = svp_conn_poll_connect(pe, scp);
+		break;
+	case SVP_CS_ACTIVE:
+	case SVP_CS_WINDDOWN:
+		assert(pe != NULL);
+		oldstate = scp->sc_cstate;
+		if (pe->portev_events & POLLOUT)
+			ret = svp_conn_pollout(scp);
+		if (ret == SVP_RA_NONE && (pe->portev_events & POLLIN))
+			ret = svp_conn_pollin(scp);
+
+		if (oldstate == SVP_CS_WINDDOWN &&
+		    (list_is_empty(&scp->sc_queries) || ret != SVP_RA_NONE)) {
+			ret = SVP_RA_CLEANUP;
+		}
+
+		if (ret == SVP_RA_NONE) {
+			int err;
+			if ((err = svp_event_associate(&scp->sc_event,
+			    scp->sc_socket)) != 0) {
+				scp->sc_error = SVP_CE_ASSOCIATE;
+				scp->sc_errno = err;
+				scp->sc_cstate = SVP_CS_ERROR;
+				ret = SVP_RA_DEGRADE;
+			}
+		}
+		break;
+	default:
+		libvarpd_panic("svp_conn_handler encountered unexpected "
+		    "state: %d", scp->sc_cstate);
+	}
+out:
+	(void) mutex_unlock(&scp->sc_lock);
+
+	if (ret == SVP_RA_NONE)
+		return;
+
+	(void) mutex_lock(&srp->sr_lock);
+	(void) mutex_lock(&scp->sc_lock);
+	if (ret == SVP_RA_ERROR)
+		ret = svp_conn_reset(scp);
+
+	if (ret == SVP_RA_DEGRADE)
+		svp_conn_degrade(scp);
+	if (ret == SVP_RA_RESTORE)
+		svp_conn_restore(scp);
+
+	if (ret == SVP_RA_CLEANUP) {
+		svp_conn_remove(scp);
+		scp->sc_flags |= SVP_CF_REAP;
+		svp_conn_inject(scp);
+	}
+	(void) mutex_unlock(&scp->sc_lock);
+	(void) mutex_unlock(&srp->sr_lock);
+}
+
+static void
+svp_conn_backtimer(void *arg)
+{
+	svp_conn_t *scp = arg;
+
+	svp_conn_handler(NULL, scp);
+}
+
+/*
+ * This fires every svp_conn_query_timeout seconds. Its purpos is to determine
+ * if we haven't heard back on a request with in svp_conn_query_timeout seconds.
+ * If any of the svp_conn_query_t's that have been started (indicated by
+ * svp_query_t`sq_acttime != -1), and more than svp_conn_query_timeout seconds
+ * have passed, we basically tear this connection down and reassign outstanding
+ * queries.
+ */
+static void
+svp_conn_querytimer(void *arg)
+{
+	svp_query_t *sqp;
+	svp_conn_t *scp = arg;
+	hrtime_t now = gethrtime();
+
+	(void) mutex_lock(&scp->sc_lock);
+
+	/*
+	 * If we're not in the active state, then we don't care about this as
+	 * we're already either going to die or we have no connections to worry
+	 * about.
+	 */
+	if (scp->sc_cstate != SVP_CS_ACTIVE) {
+		(void) mutex_unlock(&scp->sc_lock);
+		return;
+	}
+
+	for (sqp = list_head(&scp->sc_queries); sqp != NULL;
+	    sqp = list_next(&scp->sc_queries, sqp)) {
+		if (sqp->sq_acttime == -1)
+			continue;
+		if ((sqp->sq_acttime - now) / NANOSEC > svp_conn_query_timeout)
+			break;
+	}
+
+	/* Nothing timed out, we're good here */
+	if (sqp == NULL) {
+		(void) mutex_unlock(&scp->sc_lock);
+		return;
+	}
+
+	scp->sc_flags |= SVP_CF_TEARDOWN;
+	svp_conn_inject(scp);
+
+	(void) mutex_unlock(&scp->sc_lock);
+}
+
+/*
+ * This connection has fallen out of DNS, figure out what we need to do with it.
+ */
+void
+svp_conn_fallout(svp_conn_t *scp)
+{
+	svp_remote_t *srp = scp->sc_remote;
+
+	assert(MUTEX_HELD(&srp->sr_lock));
+
+	(void) mutex_lock(&scp->sc_lock);
+	switch (scp->sc_cstate) {
+	case SVP_CS_ERROR:
+		/*
+		 * Connection is already inactive, so it's safe to tear down.
+		 * Fire it off through the state machine to tear down via the
+		 * backoff timer.
+		 */
+		svp_conn_remove(scp);
+		scp->sc_flags |= SVP_CF_REAP;
+		svp_conn_inject(scp);
+		break;
+	case SVP_CS_INITIAL:
+	case SVP_CS_BACKOFF:
+	case SVP_CS_CONNECTING:
+		/*
+		 * Here, we have something actively going on, so we'll let it be
+		 * clean up the next time we hit the event loop by the event
+		 * loop itself. As it has no connections, there isn't much to
+		 * really do, though we'll take this chance to go ahead and
+		 * remove it from the remote.
+		 */
+		svp_conn_remove(scp);
+		scp->sc_flags |= SVP_CF_REAP;
+		svp_conn_inject(scp);
+		break;
+	case SVP_CS_ACTIVE:
+	case SVP_CS_WINDDOWN:
+		/*
+		 * If there are no outstanding queries, then we should simply
+		 * clean this up now,t he same way we would with the others.
+		 * Othewrise, as we know the event loop is ongoing, we'll make
+		 * sure that these entries get cleaned up once they're done.
+		 */
+		scp->sc_cstate = SVP_CS_WINDDOWN;
+		if (list_is_empty(&scp->sc_queries)) {
+			svp_conn_remove(scp);
+			scp->sc_flags |= SVP_CF_REAP;
+			svp_conn_inject(scp);
+		}
+		break;
+	default:
+		libvarpd_panic("svp_conn_fallout encountered"
+		    "unkonwn state");
+	}
+	(void) mutex_unlock(&scp->sc_lock);
+	(void) mutex_unlock(&srp->sr_lock);
+}
+
+int
+svp_conn_create(svp_remote_t *srp, const struct in6_addr *addr)
+{
+	svp_conn_t *scp;
+
+	assert(MUTEX_HELD(&srp->sr_lock));
+	scp = umem_zalloc(sizeof (svp_conn_t), UMEM_DEFAULT);
+	if (scp == NULL)
+		return (ENOMEM);
+
+	scp->sc_remote = srp;
+	scp->sc_event.se_func = svp_conn_handler;
+	scp->sc_event.se_arg = scp;
+	scp->sc_btimer.st_func = svp_conn_backtimer;
+	scp->sc_btimer.st_arg = scp;
+	scp->sc_btimer.st_oneshot = B_TRUE;
+	scp->sc_btimer.st_value = 1;
+
+	scp->sc_qtimer.st_func = svp_conn_querytimer;
+	scp->sc_qtimer.st_arg = scp;
+	scp->sc_qtimer.st_oneshot = B_FALSE;
+	scp->sc_qtimer.st_value = svp_conn_query_timeout;
+
+	scp->sc_socket = -1;
+
+	list_create(&scp->sc_queries, sizeof (svp_query_t),
+	    offsetof(svp_query_t, sq_lnode));
+	scp->sc_gen = srp->sr_gen;
+	bcopy(addr, &scp->sc_addr, sizeof (struct in6_addr));
+	scp->sc_cstate = SVP_CS_INITIAL;
+	(void) mutex_lock(&scp->sc_lock);
+	svp_conn_add(scp);
+	(void) mutex_unlock(&scp->sc_lock);
+
+	/* Now that we're locked and loaded, add our timers */
+	svp_timer_add(&scp->sc_qtimer);
+	svp_timer_add(&scp->sc_btimer);
+
+	return (0);
+}
+
+/*
+ * At the time of calling, the entry has been removed from all lists. In
+ * addition, the entries state should be SVP_CS_ERROR, therefore, we know that
+ * the fd should not be associated with the event loop. We'll double check that
+ * just in case. We should also have already been removed from the remote's
+ * list.
+ */
+void
+svp_conn_destroy(svp_conn_t *scp)
+{
+	int ret;
+
+	(void) mutex_lock(&scp->sc_lock);
+	if (scp->sc_cstate != SVP_CS_ERROR)
+		libvarpd_panic("asked to tear down an active connection");
+	if (scp->sc_flags & SVP_CF_ADDED)
+		libvarpd_panic("asked to remove a connection still in "
+		    "the remote list\n");
+	if (!list_is_empty(&scp->sc_queries))
+		libvarpd_panic("asked to remove a connection with non-empty "
+		    "query list");
+
+	if ((ret = svp_event_dissociate(&scp->sc_event, scp->sc_socket)) !=
+	    ENOENT) {
+		libvarpd_panic("dissociate failed or was actually "
+		    "associated: %d", ret);
+	}
+	(void) mutex_unlock(&scp->sc_lock);
+
+	/* Verify our timers are killed */
+	svp_timer_remove(&scp->sc_btimer);
+	svp_timer_remove(&scp->sc_qtimer);
+
+	if (scp->sc_socket != -1 && close(scp->sc_socket) != 0)
+		libvarpd_panic("failed to close svp_conn_t`scp_socket fd "
+		    "%d: %d", scp->sc_socket, errno);
+
+	list_destroy(&scp->sc_queries);
+	umem_free(scp, sizeof (svp_conn_t));
+}
+
+void
+svp_conn_queue(svp_conn_t *scp, svp_query_t *sqp)
+{
+	assert(MUTEX_HELD(&scp->sc_lock));
+	assert(scp->sc_cstate == SVP_CS_ACTIVE);
+
+	sqp->sq_acttime = -1;
+	list_insert_tail(&scp->sc_queries, sqp);
+	if (!(scp->sc_event.se_events & POLLOUT)) {
+		scp->sc_event.se_events |= POLLOUT;
+		/*
+		 * If this becomes frequent, we should instead give up on this
+		 * set of connections instead of aborting.
+		 */
+		if (svp_event_associate(&scp->sc_event, scp->sc_socket) != 0)
+			libvarpd_panic("svp_event_associate failed somehow");
+	}
+}
diff --git a/usr/src/lib/varpd/svp/common/libvarpd_svp_crc.c b/usr/src/lib/varpd/svp/common/libvarpd_svp_crc.c
new file mode 100644
index 0000000000..ade47ff998
--- /dev/null
+++ b/usr/src/lib/varpd/svp/common/libvarpd_svp_crc.c
@@ -0,0 +1,53 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015, Joyent, Inc.
+ */
+
+/*
+ * Perform standard crc32 functions.
+ *
+ * For more information, see the big theory statement in
+ * lib/varpd/svp/common/libvarpd_svp.c.
+ *
+ * Really, this should just be a libcrc.
+ */
+
+#include <sys/crc32.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <inttypes.h>
+#include <libvarpd_svp.h>
+
+static uint32_t svp_crc32_tab[] = { CRC32_TABLE };
+
+static uint32_t
+svp_crc32(uint32_t old, const uint8_t *buf, size_t len)
+{
+	uint32_t out;
+
+	CRC32(out, buf, len, old, svp_crc32_tab);
+	return (out);
+}
+
+void
+svp_query_crc32(svp_req_t *shp, void *buf, size_t data)
+{
+	uint32_t crc = -1U;
+
+	shp->svp_crc32 = 0;
+	crc = svp_crc32(crc, (uint8_t *)shp, sizeof (svp_req_t));
+	crc = svp_crc32(crc, buf, data);
+	crc = ~crc;
+	shp->svp_crc32 = htonl(crc);
+}
diff --git a/usr/src/lib/varpd/svp/common/libvarpd_svp_host.c b/usr/src/lib/varpd/svp/common/libvarpd_svp_host.c
new file mode 100644
index 0000000000..8755730359
--- /dev/null
+++ b/usr/src/lib/varpd/svp/common/libvarpd_svp_host.c
@@ -0,0 +1,171 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * DNS Host-name related functions.
+ *
+ * For more information, see the big theory statement in
+ * lib/varpd/svp/common/libvarpd_svp.c.
+ */
+
+#include <sys/socket.h>
+#include <netdb.h>
+#include <thread.h>
+#include <synch.h>
+#include <assert.h>
+#include <errno.h>
+
+#include <libvarpd_svp.h>
+
+int svp_host_nthreads = 8;
+
+static mutex_t svp_host_lock = DEFAULTMUTEX;
+static cond_t svp_host_cv = DEFAULTCV;
+static svp_remote_t *svp_host_head;
+
+/* ARGSUSED */
+static void *
+svp_host_loop(void *unused)
+{
+	for (;;) {
+		int err;
+		svp_remote_t *srp;
+		struct addrinfo *addrs;
+
+		(void) mutex_lock(&svp_host_lock);
+		while (svp_host_head == NULL)
+			(void) cond_wait(&svp_host_cv, &svp_host_lock);
+		srp = svp_host_head;
+		svp_host_head = srp->sr_nexthost;
+		if (svp_host_head != NULL)
+			(void) cond_signal(&svp_host_cv);
+		(void) mutex_unlock(&svp_host_lock);
+
+		(void) mutex_lock(&srp->sr_lock);
+		assert(srp->sr_state & SVP_RS_LOOKUP_SCHEDULED);
+		srp->sr_state &= ~SVP_RS_LOOKUP_SCHEDULED;
+		if (srp->sr_state & SVP_RS_LOOKUP_INPROGRESS) {
+			(void) mutex_unlock(&srp->sr_lock);
+			continue;
+		}
+		srp->sr_state |= SVP_RS_LOOKUP_INPROGRESS;
+		(void) mutex_unlock(&srp->sr_lock);
+
+		for (;;) {
+			err = getaddrinfo(srp->sr_hostname, NULL, NULL, &addrs);
+			if (err == 0)
+				break;
+			if (err != 0) {
+				switch (err) {
+				case EAI_ADDRFAMILY:
+				case EAI_BADFLAGS:
+				case EAI_FAMILY:
+				case EAI_SERVICE:
+				case EAI_SOCKTYPE:
+				case EAI_OVERFLOW:
+				default:
+					libvarpd_panic("unexpected getaddrinfo "
+					    "failure: %d", err);
+					break;
+				case EAI_AGAIN:
+				case EAI_MEMORY:
+				case EAI_SYSTEM:
+					continue;
+				case EAI_FAIL:
+				case EAI_NODATA:
+				case EAI_NONAME:
+					/*
+					 * At this point in time we have
+					 * something which isn't very good. This
+					 * may have been a typo or something may
+					 * have been destroyed. We should go
+					 * ahead and degrade this overall
+					 * instance, because we're not going to
+					 * make much forward progress... It'd be
+					 * great if we could actually issue more
+					 * of an EREPORT to describe what
+					 * happened, some day.
+					 */
+					(void) mutex_lock(&srp->sr_lock);
+					svp_remote_degrade(srp,
+					    SVP_RD_DNS_FAIL);
+					(void) mutex_unlock(&srp->sr_lock);
+					break;
+				}
+			}
+			break;
+		}
+
+		if (err == 0) {
+			/*
+			 * We've successfully resolved something, mark this
+			 * degredation over for now.
+			 */
+			(void) mutex_lock(&srp->sr_lock);
+			svp_remote_restore(srp, SVP_RD_DNS_FAIL);
+			(void) mutex_unlock(&srp->sr_lock);
+			svp_remote_resolved(srp, addrs);
+		}
+
+		(void) mutex_lock(&srp->sr_lock);
+		srp->sr_state &= ~SVP_RS_LOOKUP_INPROGRESS;
+		(void) cond_broadcast(&srp->sr_cond);
+		(void) mutex_unlock(&srp->sr_lock);
+	}
+
+	/* LINTED: E_STMT_NOT_REACHED */
+	return (NULL);
+}
+
+void
+svp_host_queue(svp_remote_t *srp)
+{
+	svp_remote_t *s;
+	(void) mutex_lock(&svp_host_lock);
+	(void) mutex_lock(&srp->sr_lock);
+	if (srp->sr_state & SVP_RS_LOOKUP_SCHEDULED) {
+		(void) mutex_unlock(&srp->sr_lock);
+		(void) mutex_unlock(&svp_host_lock);
+		return;
+	}
+	srp->sr_state |= SVP_RS_LOOKUP_SCHEDULED;
+	s = svp_host_head;
+	while (s != NULL && s->sr_nexthost != NULL)
+		s = s->sr_nexthost;
+	if (s == NULL) {
+		assert(s == svp_host_head);
+		svp_host_head = srp;
+	} else {
+		s->sr_nexthost = srp;
+	}
+	srp->sr_nexthost = NULL;
+	(void) cond_signal(&svp_host_cv);
+	(void) mutex_unlock(&srp->sr_lock);
+	(void) mutex_unlock(&svp_host_lock);
+}
+
+int
+svp_host_init(void)
+{
+	int i;
+
+	for (i = 0; i < svp_host_nthreads; i++) {
+		if (thr_create(NULL, 0, svp_host_loop, NULL,
+		    THR_DETACHED | THR_DAEMON, NULL) != 0)
+			return (errno);
+	}
+
+	return (0);
+}
diff --git a/usr/src/lib/varpd/svp/common/libvarpd_svp_loop.c b/usr/src/lib/varpd/svp/common/libvarpd_svp_loop.c
new file mode 100644
index 0000000000..20cbb6540f
--- /dev/null
+++ b/usr/src/lib/varpd/svp/common/libvarpd_svp_loop.c
@@ -0,0 +1,210 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * Event loop mechanism for our backend.
+ *
+ * For more information, see the big theory statement in
+ * lib/varpd/svp/common/libvarpd_svp.c.
+ */
+
+#include <unistd.h>
+#include <thread.h>
+#include <port.h>
+#include <signal.h>
+#include <time.h>
+#include <errno.h>
+#include <umem.h>
+
+#include <libvarpd_svp.h>
+
+typedef struct svp_event_loop {
+	int		sel_port;	/* RO */
+	int		sel_nthread;	/* RO */
+	thread_t	*sel_threads;	/* RO */
+	boolean_t	sel_stop;	/* svp_elock */
+	timer_t		sel_hosttimer;
+} svp_event_loop_t;
+
+static svp_event_loop_t svp_event;
+static mutex_t svp_elock = DEFAULTMUTEX;
+
+/* ARGSUSED */
+static void *
+svp_event_thr(void *arg)
+{
+	for (;;) {
+		int ret;
+		port_event_t pe;
+		svp_event_t *sep;
+
+		(void) mutex_lock(&svp_elock);
+		if (svp_event.sel_stop == B_TRUE) {
+			(void) mutex_unlock(&svp_elock);
+			break;
+		}
+		(void) mutex_unlock(&svp_elock);
+
+		ret = port_get(svp_event.sel_port, &pe, NULL);
+		if (ret != 0) {
+			switch (errno) {
+			case EFAULT:
+			case EBADF:
+			case EINVAL:
+				libvarpd_panic("unexpected port_get errno: %d",
+				    errno);
+			default:
+				break;
+			}
+		}
+
+		if (pe.portev_user == NULL)
+			libvarpd_panic("received event (%p) without "
+			    "protev_user set", &pe);
+		sep = (svp_event_t *)pe.portev_user;
+		sep->se_func(&pe, sep->se_arg);
+	}
+
+	return (NULL);
+}
+
+int
+svp_event_associate(svp_event_t *sep, int fd)
+{
+	int ret;
+
+	ret = port_associate(svp_event.sel_port, PORT_SOURCE_FD, fd,
+	    sep->se_events, sep);
+	if (ret != 0) {
+		switch (errno) {
+		case EBADF:
+		case EBADFD:
+		case EINVAL:
+		case EAGAIN:
+			libvarpd_panic("unexpected port_associate error: %d",
+			    errno);
+		default:
+			ret = errno;
+			break;
+		}
+	}
+
+	return (ret);
+}
+
+/* ARGSUSED */
+int
+svp_event_dissociate(svp_event_t *sep, int fd)
+{
+	int ret;
+
+	ret = port_dissociate(svp_event.sel_port, PORT_SOURCE_FD, fd);
+	if (ret != 0) {
+		if (errno != ENOENT)
+			libvarpd_panic("unexpected port_dissociate error: %d",
+			    errno);
+		ret = errno;
+	}
+	return (ret);
+}
+
+int
+svp_event_inject(void *user)
+{
+	return (port_send(svp_event.sel_port, 0, user));
+}
+
+int
+svp_event_timer_init(svp_event_t *sep)
+{
+	port_notify_t pn;
+	struct sigevent evp;
+	struct itimerspec ts;
+
+	pn.portnfy_port = svp_event.sel_port;
+	pn.portnfy_user = sep;
+	evp.sigev_notify = SIGEV_PORT;
+	evp.sigev_value.sival_ptr = &pn;
+
+	if (timer_create(CLOCK_REALTIME, &evp, &svp_event.sel_hosttimer) != 0)
+		return (errno);
+
+	ts.it_value.tv_sec = svp_tickrate;
+	ts.it_value.tv_nsec = 0;
+	ts.it_interval.tv_sec = svp_tickrate;
+	ts.it_interval.tv_nsec = 0;
+
+	if (timer_settime(svp_event.sel_hosttimer, TIMER_RELTIME, &ts,
+	    NULL) != 0) {
+		int ret = errno;
+		(void) timer_delete(svp_event.sel_hosttimer);
+		return (ret);
+	}
+
+	return (0);
+}
+
+int
+svp_event_init(void)
+{
+	long i, ncpus;
+
+	svp_event.sel_port = port_create();
+	if (svp_event.sel_port == -1)
+		return (errno);
+
+	ncpus = sysconf(_SC_NPROCESSORS_ONLN) * 2 + 1;
+	if (ncpus <= 0)
+		libvarpd_panic("sysconf for nprocs failed... %d/%d",
+		    ncpus, errno);
+
+	svp_event.sel_threads = umem_alloc(sizeof (thread_t) * ncpus,
+	    UMEM_DEFAULT);
+	if (svp_event.sel_threads == NULL) {
+		int ret = errno;
+		(void) timer_delete(svp_event.sel_hosttimer);
+		(void) close(svp_event.sel_port);
+		svp_event.sel_port = -1;
+		return (ret);
+	}
+
+	for (i = 0; i < ncpus; i++) {
+		int ret;
+		thread_t *thr = &svp_event.sel_threads[i];
+
+		ret = thr_create(NULL, 0, svp_event_thr, NULL,
+		    THR_DETACHED | THR_DAEMON, thr);
+		if (ret != 0) {
+			ret = errno;
+			(void) timer_delete(svp_event.sel_hosttimer);
+			(void) close(svp_event.sel_port);
+			svp_event.sel_port = -1;
+			return (errno);
+		}
+	}
+
+	return (0);
+}
+
+void
+svp_event_fini(void)
+{
+	(void) mutex_lock(&svp_elock);
+	svp_event.sel_stop = B_TRUE;
+	(void) mutex_unlock(&svp_elock);
+
+	(void) timer_delete(svp_event.sel_hosttimer);
+	(void) close(svp_event.sel_port);
+}
diff --git a/usr/src/lib/varpd/svp/common/libvarpd_svp_prot.h b/usr/src/lib/varpd/svp/common/libvarpd_svp_prot.h
new file mode 100644
index 0000000000..7147429de3
--- /dev/null
+++ b/usr/src/lib/varpd/svp/common/libvarpd_svp_prot.h
@@ -0,0 +1,239 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _LIBVARPD_SVP_PROT_H
+#define	_LIBVARPD_SVP_PROT_H
+
+/*
+ * SVP protocol Definitions
+ */
+
+#include <sys/types.h>
+#include <inttypes.h>
+#include <sys/ethernet.h>
+#include <netinet/in.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * SDC VXLAN Protocol Definitions
+ */
+
+#define	SVP_VERSION_ONE	1
+#define	SVP_CURRENT_VERSION	SVP_VERSION_ONE
+
+typedef struct svp_req {
+	uint16_t	svp_ver;
+	uint16_t	svp_op;
+	uint32_t	svp_size;
+	uint32_t	svp_id;
+	uint32_t	svp_crc32;
+} svp_req_t;
+
+typedef enum svp_op {
+	SVP_R_UNKNOWN	= 0x00,
+	SVP_R_PING	= 0x01,
+	SVP_R_PONG	= 0x02,
+	SVP_R_VL2_REQ	= 0x03,
+	SVP_R_VL2_ACK	= 0x04,
+	SVP_R_VL3_REQ	= 0x05,
+	SVP_R_VL3_ACK	= 0x06,
+	SVP_R_BULK_REQ	= 0x07,
+	SVP_R_BULK_ACK	= 0x08,
+	SVP_R_LOG_REQ	= 0x09,
+	SVP_R_LOG_ACK	= 0x0A,
+	SVP_R_LOG_RM	= 0x0B,
+	SVP_R_LOG_RACK	= 0x0C,
+	SVP_R_SHOOTDOWN	= 0x0D
+} svp_op_t;
+
+typedef enum svp_status {
+	SVP_S_OK	= 0x00,	/* Everything OK */
+	SVP_S_FATAL	= 0x01,	/* Fatal error, close connection */
+	SVP_S_NOTFOUND	= 0x02,	/* Entry not found */
+	SVP_S_BADL3TYPE	= 0x03,	/* Unknown svp_vl3_type_t */
+	SVP_S_BADBULK	= 0x04,	/* Unknown svp_bulk_type_t */
+	SVP_S_BADLOG	= 0x05,	/* Unknown svp_log_type_t */
+	SVP_S_LOGAGAIN	= 0x06	/* Nothing in the log yet */
+} svp_status_t;
+
+/*
+ * A client issues the SVP_R_VL2_REQ whenever it needs to perform a VLS->UL3
+ * lookup. Requests have the following structure:
+ */
+typedef struct svp_vl2_req {
+	uint8_t		sl2r_mac[ETHERADDRL];
+	uint8_t		sl2r_pad[2];
+	uint32_t	sl2r_vnetid;
+} svp_vl2_req_t;
+
+/*
+ * This is the message a server uses to reply to the SVP_R_VL2_REQ.  If the
+ * destination on the underlay is an IPv4 address, it should be encoded as an
+ * IPv4-mapped IPv6 address.
+ */
+typedef struct svp_vl2_ack {
+	uint16_t	sl2a_status;
+	uint16_t	sl2a_port;
+	uint8_t		sl2a_addr[16];
+} svp_vl2_ack_t;
+
+
+/*
+ * A client issues the SVP_R_VL3_REQ request whenever it needs to perform a
+ * VL3->VL2 lookup.  Note, that this also implicitly performs a VL2->UL3 lookup
+ * as well. The sl3r_type member is used to indicate the kind of lookup type
+ * that we're performing, eg. is it a L3 or L2.
+ */
+typedef enum svp_vl3_type {
+	SVP_VL3_IP	= 0x01,
+	SVP_VL3_IPV6	= 0x02
+} svp_vl3_type_t;
+
+typedef struct svp_vl3_req {
+	uint8_t		sl3r_ip[16];
+	uint32_t	sl3r_type;
+	uint32_t	sl3r_vnetid;
+} svp_vl3_req_t;
+
+/*
+ * This response, corresponding to the SVP_R_VL3_ACK, includes an answer to both
+ * the VL3->VL2 and the VL2->UL3 requests.
+ */
+typedef struct svp_vl3_ack {
+	uint32_t	sl3a_status;
+	uint8_t		sl3a_mac[ETHERADDRL];
+	uint16_t	sl3a_uport;
+	uint8_t		sl3a_uip[16];
+} svp_vl3_ack_t;
+
+/*
+ * SVP_R_BULK_REQ requests a bulk dump of data. Currently we have two kinds of
+ * data tables that we need to dump: VL3->VL2 mappings and VL2->UL3 mappings.
+ * The kind that we want is indicated using the svbr_type member.
+ */
+typedef enum svp_bulk_type {
+	SVP_BULK_VL2	= 0x01,
+	SVP_BULK_VL3	= 0x02
+} svp_bulk_type_t;
+
+typedef struct svp_bulk_req {
+	uint32_t	svbr_type;
+} svp_bulk_req_t;
+
+/*
+ * When replying to a bulk request (SVP_R_BULK_ACK), data is streamed back
+ * across.  The format of the data is currently undefined and as we work on the
+ * system, we'll get a better understanding of what this should look like. A
+ * client may need to stream such a request to disk, or the format will need to
+ * be in a streamable format that allows the client to construct data.
+ */
+typedef struct svp_bulk_ack {
+	uint32_t	svba_status;
+	uint32_t	svba_type;
+	uint8_t		svba_data[];
+} svp_bulk_ack_t;
+
+/*
+ * SVP_R_LOG_REQ requests a log entries from the specified log from the server.
+ * The total number of entries that the client is prepared to receive are in
+ * svlr_count.  However, the client may receive less than they asked for.
+ */
+typedef enum svp_log_type {
+	SVP_LOG_VL2	= 0x01,
+	SVP_LOG_VL3	= 0x02
+} svp_log_type_t;
+
+typedef struct svp_log_req {
+	uint32_t	svlr_type;
+	uint32_t	svlr_count;
+} svp_log_req_t;
+
+/*
+ * The server replies to a log request by sending a series of log entries based
+ * on the type of svp_log_type_t in the SVP_R_LOG_ACK. If it's a VL2 request,
+ * then the svp_log_vl2_t is used, otherwise the svp_log_vl3_t is used. The
+ * response always leads with a svp_bulk_ack_t. It is then followed by a number
+ * of entries which can be calculated based on taking the toal data payload,
+ * subtracting the svp_log_ack_t, and then dividing that by the size of the
+ * corresponding data structure.
+ */
+typedef struct svp_log_vl2 {
+	uint8_t		svl2_id[16];	/* 16-byte UUID */
+	uint8_t		svl2_mac[ETHERADDRL];
+	uint8_t		svl2_pad[2];
+	uint32_t	svl2_vnetid;
+} svp_log_vl2_t;
+
+typedef struct svp_log_vl3 {
+	uint8_t		svl3_id[16];	/* 16-byte UUID */
+	uint8_t		slv3_ip[16];
+	uint8_t		svl3_mac[ETHERADDRL];
+	uint16_t	svl3_vlan;
+	uint8_t		svl3_tmac[ETHERADDRL];
+	uint8_t		svl3_tpad[2];
+	uint32_t	svl3_vnetid;
+} svp_log_vl3_t;
+
+typedef struct svp_log_ack {
+	uint32_t	svla_status;
+	uint32_t	svla_type;
+	uint8_t		svla_data[];
+} svp_log_ack_t;
+
+/*
+ * SVP_R_LOG_RM is used after the client successfully processes a series of the
+ * log stream. It replies to tell the server that it can remove those IDs from
+ * processing. The IDs used are the same IDs that were in the individual
+ * SVP_R_LOG_ACK entries. Again, the member svrr_type should be a svp_log_type_t
+ * member.
+ */
+typedef struct svp_lrm_req {
+	uint32_t	svrr_type;
+	uint32_t	svrr_pad;
+	uint8_t		svrr_ids[];
+} svp_lrm_req_t;
+
+/*
+ * SVP_R_LOG_RM_ACK is used to indicate that a log entry has been successfully
+ * deleted and at this point it makes sense to go and ask for another
+ * SVP_R_LOG_REQ.
+ */
+typedef struct svp_lrm_ack {
+	uint32_t	svra_status;
+} svp_lrm_ack_t;
+
+/*
+ * A shootdown (SVP_R_SHOOTDOWN) is used by a CN to reply to another CN that it
+ * sent an invalid entry that could not be processed. This should be a
+ * relatively infrequent occurrence. Unlike the rest of the messages, there is
+ * no reply to it. It's a single request to try and help get us out there. When
+ * a node receives this, it will issue a conditional revocation ioctl, that
+ * removes the entry if and only if, it matches the IP. That way if we've
+ * already gotten an updated entry for this, we don't remove it again.
+ */
+typedef struct svp_shootdown {
+	uint8_t		svsd_mac[ETHERADDRL];
+	uint8_t		svsd_pad[2];
+	uint32_t	svsd_vnetid;
+} svp_shootdown_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBVARPD_SVP_PROT_H */
diff --git a/usr/src/lib/varpd/svp/common/libvarpd_svp_remote.c b/usr/src/lib/varpd/svp/common/libvarpd_svp_remote.c
new file mode 100644
index 0000000000..86a80e95d4
--- /dev/null
+++ b/usr/src/lib/varpd/svp/common/libvarpd_svp_remote.c
@@ -0,0 +1,605 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * Remote backend management
+ *
+ * For more information, see the big theory statement in
+ * lib/varpd/svp/common/libvarpd_svp.c.
+ */
+
+#include <umem.h>
+#include <strings.h>
+#include <string.h>
+#include <stddef.h>
+#include <thread.h>
+#include <synch.h>
+#include <assert.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <errno.h>
+#include <libidspace.h>
+
+#include <libvarpd_provider.h>
+#include <libvarpd_svp.h>
+
+static mutex_t svp_remote_lock = DEFAULTMUTEX;
+static avl_tree_t svp_remote_tree;
+static svp_timer_t svp_dns_timer;
+static id_space_t *svp_idspace;
+static int svp_dns_timer_rate = 30;	/* seconds */
+
+static void
+svp_remote_mkfmamsg(svp_remote_t *srp, svp_degrade_state_t state, char *buf,
+    size_t buflen)
+{
+	switch (state) {
+	case SVP_RD_DNS_FAIL:
+		(void) snprintf(buf, buflen, "failed to resolve or find "
+		    "entries for hostname %s", srp->sr_hostname);
+		break;
+	case SVP_RD_REMOTE_FAIL:
+		(void) snprintf(buf, buflen, "cannot reach any remote peers");
+		break;
+	default:
+		(void) snprintf(buf, buflen, "unkonwn error state: %d", state);
+	}
+}
+
+static int
+svp_remote_comparator(const void *l, const void *r)
+{
+	int ret;
+	const svp_remote_t *lr = l, *rr = r;
+
+	ret = strcmp(lr->sr_hostname, rr->sr_hostname);
+	if (ret > 0)
+		return (1);
+	else if (ret < 0)
+		return (-1);
+
+	if (lr->sr_rport > rr->sr_rport)
+		return (1);
+	else if (lr->sr_rport < rr->sr_rport)
+		return (-1);
+	else
+		return (0);
+}
+
+void
+svp_query_release(svp_query_t *sqp)
+{
+	id_free(svp_idspace, sqp->sq_header.svp_id);
+}
+
+static void
+svp_remote_destroy(svp_remote_t *srp)
+{
+	size_t len;
+
+	/*
+	 * Clean up any unrelated DNS information. At this point we know that
+	 * we're not in the remote tree. That means, that svp_remote_dns_timer
+	 * cannot queue us. However, if any of our DNS related state flags are
+	 * set, we have to hang out.
+	 */
+	(void) mutex_lock(&srp->sr_lock);
+	while (srp->sr_state &
+	    (SVP_RS_LOOKUP_SCHEDULED | SVP_RS_LOOKUP_INPROGRESS)) {
+		(void) cond_wait(&srp->sr_cond, &srp->sr_lock);
+	}
+	(void) mutex_unlock(&srp->sr_lock);
+
+	if (cond_destroy(&srp->sr_cond) != 0)
+		libvarpd_panic("faile to destroy cond sr_cond");
+
+	if (mutex_destroy(&srp->sr_lock) != 0)
+		libvarpd_panic("failed to destroy mutex sr_lock");
+
+	if (srp->sr_addrinfo != NULL)
+		freeaddrinfo(srp->sr_addrinfo);
+	len = strlen(srp->sr_hostname) + 1;
+	umem_free(srp->sr_hostname, len);
+	umem_free(srp, sizeof (svp_remote_t));
+}
+
+static int
+svp_remote_create(const char *host, uint16_t port, svp_remote_t **outp)
+{
+	size_t hlen;
+	svp_remote_t *remote;
+
+	assert(MUTEX_HELD(&svp_remote_lock));
+
+	remote = umem_zalloc(sizeof (svp_remote_t), UMEM_DEFAULT);
+	if (remote == NULL) {
+		(void) mutex_unlock(&svp_remote_lock);
+		return (ENOMEM);
+	}
+	hlen = strlen(host) + 1;
+	remote->sr_hostname = umem_alloc(hlen, UMEM_DEFAULT);
+	if (remote->sr_hostname == NULL) {
+		umem_free(remote, sizeof (svp_remote_t));
+		(void) mutex_unlock(&svp_remote_lock);
+		return (ENOMEM);
+	}
+	remote->sr_rport = port;
+	if (mutex_init(&remote->sr_lock, USYNC_THREAD, NULL) != 0)
+		libvarpd_panic("failed to create mutex sr_lock");
+	if (cond_init(&remote->sr_cond, USYNC_PROCESS, NULL) != 0)
+		libvarpd_panic("failed to create cond sr_cond");
+	list_create(&remote->sr_conns, sizeof (svp_conn_t),
+	    offsetof(svp_conn_t, sc_rlist));
+	avl_create(&remote->sr_tree, svp_comparator, sizeof (svp_t),
+	    offsetof(svp_t, svp_rlink));
+	(void) strlcpy(remote->sr_hostname, host, hlen);
+	remote->sr_count = 1;
+
+	*outp = remote;
+	return (0);
+}
+
+int
+svp_remote_find(char *host, uint16_t port, svp_remote_t **outp)
+{
+	int ret;
+	svp_remote_t lookup, *remote;
+
+	lookup.sr_hostname = host;
+	lookup.sr_rport = port;
+	(void) mutex_lock(&svp_remote_lock);
+	remote = avl_find(&svp_remote_tree, &lookup, NULL);
+	if (remote != NULL) {
+		assert(remote->sr_count > 0);
+		remote->sr_count++;
+		*outp = remote;
+		(void) mutex_unlock(&svp_remote_lock);
+		return (0);
+	}
+
+	if ((ret = svp_remote_create(host, port, outp)) != 0) {
+		(void) mutex_unlock(&svp_remote_lock);
+		return (ret);
+	}
+
+	avl_add(&svp_remote_tree, *outp);
+	(void) mutex_unlock(&svp_remote_lock);
+
+	/* Make sure DNS is up to date */
+	svp_host_queue(*outp);
+
+	return (0);
+}
+
+void
+svp_remote_release(svp_remote_t *srp)
+{
+	(void) mutex_lock(&svp_remote_lock);
+	(void) mutex_lock(&srp->sr_lock);
+	srp->sr_count--;
+	if (srp->sr_count != 0) {
+		(void) mutex_unlock(&srp->sr_lock);
+		(void) mutex_unlock(&svp_remote_lock);
+		return;
+	}
+	(void) mutex_unlock(&srp->sr_lock);
+
+	avl_remove(&svp_remote_tree, srp);
+	(void) mutex_unlock(&svp_remote_lock);
+	svp_remote_destroy(srp);
+}
+
+int
+svp_remote_attach(svp_remote_t *srp, svp_t *svp)
+{
+	svp_t check;
+	avl_index_t where;
+
+	(void) mutex_lock(&srp->sr_lock);
+	if (svp->svp_remote != NULL)
+		libvarpd_panic("failed to create mutex sr_lock");
+
+	/*
+	 * We require everything except shootdowns
+	 */
+	if (svp->svp_cb.scb_vl2_lookup == NULL)
+		libvarpd_panic("missing callback scb_vl2_lookup");
+	if (svp->svp_cb.scb_vl3_lookup == NULL)
+		libvarpd_panic("missing callback scb_vl3_lookup");
+	if (svp->svp_cb.scb_vl2_invalidate == NULL)
+		libvarpd_panic("missing callback scb_vl2_invalidate");
+	if (svp->svp_cb.scb_vl3_inject == NULL)
+		libvarpd_panic("missing callback scb_vl3_inject");
+
+	check.svp_vid = svp->svp_vid;
+	if (avl_find(&srp->sr_tree, &check, &where) != NULL)
+		libvarpd_panic("found duplicate entry with vid %ld",
+		    svp->svp_vid);
+	avl_insert(&srp->sr_tree, svp, where);
+	svp->svp_remote = srp;
+	(void) mutex_unlock(&srp->sr_lock);
+
+	return (0);
+}
+
+void
+svp_remote_detach(svp_t *svp)
+{
+	svp_t *lookup;
+	svp_remote_t *srp = svp->svp_remote;
+
+	if (srp == NULL)
+		libvarpd_panic("trying to detach remote when none exists");
+
+	(void) mutex_lock(&srp->sr_lock);
+	lookup = avl_find(&srp->sr_tree, svp, NULL);
+	if (lookup == NULL || lookup != svp)
+		libvarpd_panic("inconsitent remote avl tree...");
+	avl_remove(&srp->sr_tree, svp);
+	svp->svp_remote = NULL;
+	(void) mutex_unlock(&srp->sr_lock);
+	svp_remote_release(srp);
+}
+
+/*
+ * Walk the list of connections and find the first one that's available, the
+ * move it to the back of the list so it's less likely to be used again.
+ */
+static boolean_t
+svp_remote_conn_queue(svp_remote_t *srp, svp_query_t *sqp)
+{
+	svp_conn_t *scp;
+
+	assert(MUTEX_HELD(&srp->sr_lock));
+	for (scp = list_head(&srp->sr_conns); scp != NULL;
+	    scp = list_next(&srp->sr_conns, scp)) {
+		(void) mutex_lock(&scp->sc_lock);
+		if (scp->sc_cstate != SVP_CS_ACTIVE) {
+			(void) mutex_unlock(&scp->sc_lock);
+			continue;
+		}
+		svp_conn_queue(scp, sqp);
+		(void) mutex_unlock(&scp->sc_lock);
+		list_remove(&srp->sr_conns, scp);
+		list_insert_tail(&srp->sr_conns, scp);
+		return (B_TRUE);
+	}
+
+	return (B_FALSE);
+}
+
+static void
+svp_remote_vl2_lookup_cb(svp_query_t *sqp, void *arg)
+{
+	svp_t *svp = sqp->sq_svp;
+	svp_vl2_ack_t *vl2a = (svp_vl2_ack_t *)sqp->sq_wdata;
+
+	if (sqp->sq_status == SVP_S_OK)
+		svp->svp_cb.scb_vl2_lookup(svp, sqp->sq_status,
+		    (struct in6_addr *)vl2a->sl2a_addr, ntohs(vl2a->sl2a_port),
+		    arg);
+	else
+		svp->svp_cb.scb_vl2_lookup(svp, sqp->sq_status, NULL, 0, arg);
+}
+
+void
+svp_remote_vl2_lookup(svp_t *svp, svp_query_t *sqp, const uint8_t *mac,
+    void *arg)
+{
+	svp_remote_t *srp;
+	svp_vl2_req_t *vl2r = &sqp->sq_rdun.sqd_vl2r;
+
+	srp = svp->svp_remote;
+	sqp->sq_func = svp_remote_vl2_lookup_cb;
+	sqp->sq_arg = arg;
+	sqp->sq_svp = svp;
+	sqp->sq_state = SVP_QUERY_INIT;
+	sqp->sq_header.svp_ver = htons(SVP_CURRENT_VERSION);
+	sqp->sq_header.svp_op = htons(SVP_R_VL2_REQ);
+	sqp->sq_header.svp_size = htonl(sizeof (svp_vl2_req_t));
+	sqp->sq_header.svp_id = id_alloc(svp_idspace);
+	if (sqp->sq_header.svp_id == (id_t)-1)
+		libvarpd_panic("failed to allcoate from svp_idspace: %d",
+		    errno);
+	sqp->sq_header.svp_crc32 = htonl(0);
+	sqp->sq_rdata = vl2r;
+	sqp->sq_rsize = sizeof (svp_vl2_req_t);
+	sqp->sq_wdata = NULL;
+	sqp->sq_wsize = 0;
+
+	bcopy(mac, vl2r->sl2r_mac, ETHERADDRL);
+	vl2r->sl2r_vnetid = ntohl(svp->svp_vid);
+
+	(void) mutex_lock(&srp->sr_lock);
+	if (svp_remote_conn_queue(srp, sqp) == B_FALSE)
+		svp->svp_cb.scb_vl2_lookup(svp, SVP_S_FATAL, NULL, NULL, arg);
+	(void) mutex_unlock(&srp->sr_lock);
+}
+
+static void
+svp_remote_vl3_lookup_cb(svp_query_t *sqp, void *arg)
+{
+	svp_t *svp = sqp->sq_svp;
+	svp_vl3_ack_t *vl3a = (svp_vl3_ack_t *)sqp->sq_wdata;
+
+	if (sqp->sq_status == SVP_S_OK)
+		svp->svp_cb.scb_vl3_lookup(svp, sqp->sq_status, vl3a->sl3a_mac,
+		    (struct in6_addr *)vl3a->sl3a_uip, ntohs(vl3a->sl3a_uport),
+		    arg);
+	else
+		svp->svp_cb.scb_vl3_lookup(svp, sqp->sq_status, NULL, NULL, 0,
+		    arg);
+}
+
+void
+svp_remote_vl3_lookup(svp_t *svp, svp_query_t *sqp,
+    const struct sockaddr *addr, void *arg)
+{
+	svp_remote_t *srp;
+	svp_vl3_req_t *vl3r = &sqp->sq_rdun.sdq_vl3r;
+
+	if (addr->sa_family != AF_INET && addr->sa_family != AF_INET6)
+		libvarpd_panic("unexpected sa_family for the vl3 lookup");
+
+	srp = svp->svp_remote;
+	sqp->sq_func = svp_remote_vl3_lookup_cb;
+	sqp->sq_arg = arg;
+	sqp->sq_svp = svp;
+	sqp->sq_state = SVP_QUERY_INIT;
+	sqp->sq_header.svp_ver = htons(SVP_CURRENT_VERSION);
+	sqp->sq_header.svp_op = htons(SVP_R_VL3_REQ);
+	sqp->sq_header.svp_size = htons(sizeof (svp_vl3_req_t));
+	sqp->sq_header.svp_id = id_alloc(svp_idspace);
+	if (sqp->sq_header.svp_id == (id_t)-1)
+		libvarpd_panic("failed to allcoate from svp_idspace: %d",
+		    errno);
+	sqp->sq_header.svp_crc32 = htonl(0);
+	sqp->sq_rdata = vl3r;
+	sqp->sq_rsize = sizeof (svp_vl3_req_t);
+	sqp->sq_wdata = NULL;
+	sqp->sq_wsize = 0;
+
+	if (addr->sa_family == AF_INET6) {
+		struct sockaddr_in6 *s6 = (struct sockaddr_in6 *)addr;
+		vl3r->sl3r_type = SVP_VL3_IPV6;
+		bcopy(&s6->sin6_addr, vl3r->sl3r_ip,
+		    sizeof (struct in6_addr));
+	} else {
+		struct sockaddr_in *s4 = (struct sockaddr_in *)addr;
+		struct in6_addr v6;
+
+		vl3r->sl3r_type = SVP_VL3_IP;
+		IN6_INADDR_TO_V4MAPPED(&s4->sin_addr, &v6);
+		bcopy(&v6, vl3r->sl3r_ip, sizeof (struct in6_addr));
+	}
+	vl3r->sl3r_vnetid = ntohl(svp->svp_vid);
+
+	(void) mutex_lock(&srp->sr_lock);
+	if (svp_remote_conn_queue(srp, sqp) == B_FALSE)
+		svp->svp_cb.scb_vl3_lookup(svp, SVP_S_FATAL, NULL, NULL, NULL,
+		    arg);
+	(void) mutex_unlock(&srp->sr_lock);
+}
+
+/* ARGSUSED */
+void
+svp_remote_dns_timer(void *unused)
+{
+	svp_remote_t *s;
+	(void) mutex_lock(&svp_remote_lock);
+	for (s = avl_first(&svp_remote_tree); s != NULL;
+	    s = AVL_NEXT(&svp_remote_tree, s)) {
+		svp_host_queue(s);
+	}
+	(void) mutex_unlock(&svp_remote_lock);
+}
+
+void
+svp_remote_resolved(svp_remote_t *srp, struct addrinfo *newaddrs)
+{
+	struct addrinfo *a;
+	svp_conn_t *scp;
+	int ngen;
+
+	(void) mutex_lock(&srp->sr_lock);
+	srp->sr_gen++;
+	ngen = srp->sr_gen;
+	(void) mutex_unlock(&srp->sr_lock);
+
+	for (a = newaddrs; a != NULL; a = a->ai_next) {
+		struct in6_addr in6;
+		struct in6_addr *addrp;
+
+		if (a->ai_family != AF_INET && a->ai_family != AF_INET6)
+			continue;
+
+		if (a->ai_family == AF_INET) {
+			struct sockaddr_in *v4;
+			v4 = (struct sockaddr_in *)a->ai_addr;
+			addrp = &in6;
+			IN6_INADDR_TO_V4MAPPED(&v4->sin_addr, addrp);
+		} else {
+			struct sockaddr_in6 *v6;
+			v6 = (struct sockaddr_in6 *)a->ai_addr;
+			addrp = &v6->sin6_addr;
+		}
+
+		(void) mutex_lock(&srp->sr_lock);
+		for (scp = list_head(&srp->sr_conns); scp != NULL;
+		    scp = list_next(&srp->sr_conns, scp)) {
+			(void) mutex_lock(&scp->sc_lock);
+			if (bcmp(addrp, &scp->sc_addr,
+			    sizeof (struct in6_addr)) == 0) {
+				scp->sc_gen = ngen;
+				(void) mutex_unlock(&scp->sc_lock);
+				break;
+			}
+			(void) mutex_unlock(&scp->sc_lock);
+		}
+
+		/*
+		 * We need to be careful in the assumptions that we make here,
+		 * as there's a good chance that svp_conn_create will
+		 * drop the svp_remote_t`sr_lock to kick off its effective event
+		 * loop.
+		 */
+		if (scp == NULL)
+			(void) svp_conn_create(srp, addrp);
+		(void) mutex_unlock(&srp->sr_lock);
+	}
+
+	/*
+	 * Now it's time to clean things up. We do not actively clean up the
+	 * current connections that we have, instead allowing them to stay
+	 * around assuming that they're still useful. Instead, we go through and
+	 * purge the degraded list for anything that's from an older generation.
+	 */
+	(void) mutex_lock(&srp->sr_lock);
+	for (scp = list_head(&srp->sr_conns); scp != NULL;
+	    scp = list_next(&srp->sr_conns, scp)) {
+		boolean_t fall = B_FALSE;
+		(void) mutex_lock(&scp->sc_lock);
+		if (scp->sc_gen < srp->sr_gen)
+			fall = B_TRUE;
+		(void) mutex_unlock(&scp->sc_lock);
+		if (fall == B_TRUE)
+			svp_conn_fallout(scp);
+	}
+	(void) mutex_unlock(&srp->sr_lock);
+}
+
+/*
+ * This connection is in the process of being reset, we need to reassign all of
+ * its queries to other places or mark them as fatal.
+ */
+void
+svp_remote_reassign(svp_remote_t *srp, svp_conn_t *scp)
+{
+	assert(MUTEX_HELD(&srp->sr_lock));
+	svp_query_t *sqp;
+
+	/*
+	 * As we try to reassing all of its queries, remove it from the list.
+	 */
+	list_remove(&srp->sr_conns, scp);
+
+	while ((sqp = list_remove_head(&scp->sc_queries)) != NULL) {
+		sqp->sq_wdata = NULL;
+		sqp->sq_wsize = 0;
+		sqp->sq_acttime = -1;
+
+		/*
+		 * We may want to maintain a queue of these for some time rather
+		 * than just failing them all.
+		 */
+		if (svp_remote_conn_queue(srp, sqp) == B_FALSE) {
+			sqp->sq_status = SVP_S_FATAL;
+			sqp->sq_func(sqp, sqp->sq_arg);
+		}
+	}
+
+	/*
+	 * Now that we're done, go ahead and re-insert.
+	 */
+	list_insert_tail(&srp->sr_conns, scp);
+}
+
+void
+svp_remote_degrade(svp_remote_t *srp, svp_degrade_state_t flag)
+{
+	int sf, nf;
+	char buf[256];
+
+	assert(MUTEX_HELD(&srp->sr_lock));
+
+	if (flag == SVP_RD_ALL || flag == 0)
+		libvarpd_panic("invalid flag passed to degrade");
+
+	if ((flag & srp->sr_degrade) != 0) {
+		return;
+	}
+
+	sf = ffs(srp->sr_degrade);
+	nf = ffs(flag);
+	srp->sr_degrade |= flag;
+	if (sf == 0 || sf > nf) {
+		svp_t *svp;
+		svp_remote_mkfmamsg(srp, flag, buf, sizeof (buf));
+
+		for (svp = avl_first(&srp->sr_tree); svp != NULL;
+		    svp = AVL_NEXT(&srp->sr_tree, svp)) {
+			libvarpd_fma_degrade(svp->svp_hdl, buf);
+		}
+	}
+}
+
+void
+svp_remote_restore(svp_remote_t *srp, svp_degrade_state_t flag)
+{
+	int sf, nf;
+
+	assert(MUTEX_HELD(&srp->sr_lock));
+	sf = ffs(srp->sr_degrade);
+	if ((srp->sr_degrade & flag) != flag)
+		return;
+	srp->sr_degrade &= ~flag;
+	nf = ffs(srp->sr_degrade);
+
+	/*
+	 * If we're now empty, restore the device. If we still are degraded, but
+	 * we now have a higher base than we used to, change the message.
+	 */
+	if (srp->sr_degrade == 0) {
+		svp_t *svp;
+		for (svp = avl_first(&srp->sr_tree); svp != NULL;
+		    svp = AVL_NEXT(&srp->sr_tree, svp)) {
+			libvarpd_fma_restore(svp->svp_hdl);
+		}
+	} else if (nf != sf) {
+		svp_t *svp;
+		char buf[256];
+
+		svp_remote_mkfmamsg(srp, 1U << (nf - 1), buf, sizeof (buf));
+		for (svp = avl_first(&srp->sr_tree); svp != NULL;
+		    svp = AVL_NEXT(&srp->sr_tree, svp)) {
+			libvarpd_fma_degrade(svp->svp_hdl, buf);
+		}
+	}
+}
+
+int
+svp_remote_init(void)
+{
+	svp_idspace = id_space_create("svp_req_ids", 1, INT32_MAX);
+	if (svp_idspace == NULL)
+		return (errno);
+	avl_create(&svp_remote_tree, svp_remote_comparator,
+	    sizeof (svp_remote_t), offsetof(svp_remote_t, sr_gnode));
+	svp_dns_timer.st_func = svp_remote_dns_timer;
+	svp_dns_timer.st_arg = NULL;
+	svp_dns_timer.st_oneshot = B_FALSE;
+	svp_dns_timer.st_value = svp_dns_timer_rate;
+	svp_timer_add(&svp_dns_timer);
+	return (0);
+}
+
+void
+svp_remote_fini(void)
+{
+	svp_timer_remove(&svp_dns_timer);
+	avl_destroy(&svp_remote_tree);
+	if (svp_idspace == NULL)
+		id_space_destroy(svp_idspace);
+}
diff --git a/usr/src/lib/varpd/svp/common/libvarpd_svp_timer.c b/usr/src/lib/varpd/svp/common/libvarpd_svp_timer.c
new file mode 100644
index 0000000000..b4c0d754b4
--- /dev/null
+++ b/usr/src/lib/varpd/svp/common/libvarpd_svp_timer.c
@@ -0,0 +1,150 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015, Joyent, Inc.
+ */
+
+#include <stddef.h>
+#include <libvarpd_svp.h>
+
+/*
+ * svp timer backend
+ *
+ * This implements all of the logic of maintaining a timer for the svp backend.
+ * We have a timer that fires at a one second tick. We maintain all of our
+ * events in avl tree, sorted by the tick that they need to be processed at.
+ *
+ * For more information, see the big theory statement in
+ * lib/varpd/svp/common/libvarpd_svp.c.
+ */
+
+int svp_tickrate = 1;
+static svp_event_t svp_timer_event;
+static mutex_t svp_timer_lock = DEFAULTMUTEX;
+static cond_t svp_timer_cv = DEFAULTCV;
+static avl_tree_t svp_timer_tree;
+static uint64_t svp_timer_nticks;
+
+static int
+svp_timer_comparator(const void *l, const void *r)
+{
+	const svp_timer_t *lt, *rt;
+
+	lt = l;
+	rt = r;
+
+	if (lt->st_expire > rt->st_expire)
+		return (1);
+	else if (lt->st_expire < rt->st_expire)
+		return (-1);
+
+	/*
+	 * Multiple timers can have the same delivery time, so sort within that
+	 * by the address of the timer itself.
+	 */
+	if ((uintptr_t)lt > (uintptr_t)rt)
+		return (1);
+	else if ((uintptr_t)lt < (uintptr_t)rt)
+		return (-1);
+
+	return (0);
+}
+
+/* ARGSUSED */
+static void
+svp_timer_tick(port_event_t *pe, void *arg)
+{
+	(void) mutex_lock(&svp_timer_lock);
+	svp_timer_nticks++;
+
+	for (;;) {
+		svp_timer_t *t;
+
+		t = avl_first(&svp_timer_tree);
+		if (t == NULL || t->st_expire > svp_timer_nticks)
+			break;
+
+		avl_remove(&svp_timer_tree, t);
+
+		/*
+		 * We drop this while performing an operation so that way state
+		 * can advance in the face of a long-running callback.
+		 */
+		t->st_delivering = B_TRUE;
+		(void) mutex_unlock(&svp_timer_lock);
+		t->st_func(t->st_arg);
+		(void) mutex_lock(&svp_timer_lock);
+		t->st_delivering = B_FALSE;
+		(void) cond_broadcast(&svp_timer_cv);
+		if (t->st_oneshot == B_FALSE) {
+			t->st_expire += t->st_value;
+			avl_add(&svp_timer_tree, t);
+		}
+	}
+	(void) mutex_unlock(&svp_timer_lock);
+}
+
+void
+svp_timer_add(svp_timer_t *stp)
+{
+	if (stp->st_value == 0)
+		libvarpd_panic("tried to add svp timer with zero value");
+
+	(void) mutex_lock(&svp_timer_lock);
+	stp->st_delivering = B_FALSE;
+	stp->st_expire = svp_timer_nticks + stp->st_value;
+	avl_add(&svp_timer_tree, stp);
+	(void) mutex_unlock(&svp_timer_lock);
+}
+
+void
+svp_timer_remove(svp_timer_t *stp)
+{
+	(void) mutex_lock(&svp_timer_lock);
+
+	/*
+	 * If the event in question is not currently being delivered, then we
+	 * can stop it before it next fires. If it is currently being delivered,
+	 * we need to wait for that to finish. Because we hold the timer lock,
+	 * we know that it cannot be rearmed. Therefore, we make sure the one
+	 * shot is set to zero, and wait until it's no longer set to delivering.
+	 */
+	if (stp->st_delivering == B_FALSE) {
+		avl_remove(&svp_timer_tree, stp);
+		(void) mutex_unlock(&svp_timer_lock);
+		return;
+	}
+
+	stp->st_oneshot = B_TRUE;
+	while (stp->st_delivering == B_TRUE)
+		(void) cond_wait(&svp_timer_cv, &svp_timer_lock);
+
+	(void) mutex_unlock(&svp_timer_lock);
+}
+
+int
+svp_timer_init(void)
+{
+	int ret;
+
+	svp_timer_event.se_func = svp_timer_tick;
+	svp_timer_event.se_arg = NULL;
+
+	avl_create(&svp_timer_tree, svp_timer_comparator, sizeof (svp_timer_t),
+	    offsetof(svp_timer_t, st_link));
+
+	if ((ret = svp_event_timer_init(&svp_timer_event)) != 0) {
+		avl_destroy(&svp_timer_tree);
+	}
+
+	return (ret);
+}
diff --git a/usr/src/lib/varpd/svp/common/llib-lvarpd_svp b/usr/src/lib/varpd/svp/common/llib-lvarpd_svp
new file mode 100644
index 0000000000..03c34f4fcb
--- /dev/null
+++ b/usr/src/lib/varpd/svp/common/llib-lvarpd_svp
@@ -0,0 +1,18 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/* LINTLIBRARY */
+/* PROTOLIB1 */
+
diff --git a/usr/src/lib/varpd/svp/common/mapfile-vers b/usr/src/lib/varpd/svp/common/mapfile-vers
new file mode 100644
index 0000000000..6b7c5a5067
--- /dev/null
+++ b/usr/src/lib/varpd/svp/common/mapfile-vers
@@ -0,0 +1,35 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+SYMBOL_VERSION SUNWprivate {
+    local:
+	*;
+};
diff --git a/usr/src/lib/varpd/svp/i386/Makefile b/usr/src/lib/varpd/svp/i386/Makefile
new file mode 100644
index 0000000000..f2b4f63da5
--- /dev/null
+++ b/usr/src/lib/varpd/svp/i386/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/varpd/svp/sparc/Makefile b/usr/src/lib/varpd/svp/sparc/Makefile
new file mode 100644
index 0000000000..f2b4f63da5
--- /dev/null
+++ b/usr/src/lib/varpd/svp/sparc/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
diff --git a/usr/src/lib/varpd/svp/sparcv9/Makefile b/usr/src/lib/varpd/svp/sparcv9/Makefile
new file mode 100644
index 0000000000..d552642882
--- /dev/null
+++ b/usr/src/lib/varpd/svp/sparcv9/Makefile
@@ -0,0 +1,19 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+include ../Makefile.com
+include ../../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/man/Makefile b/usr/src/man/Makefile
index 9c85fcf4cb..21856f3940 100644
--- a/usr/src/man/Makefile
+++ b/usr/src/man/Makefile
@@ -82,6 +82,7 @@ SUBDIRS=	man1		\
 		man3tsol	\
 		man3uuid	\
 		man3volmgt	\
+		man3vnd		\
 		man3xcurses	\
 		man3xnet	\
 		man4		\
diff --git a/usr/src/man/Makefile.man b/usr/src/man/Makefile.man
index 1b26bf0fb8..d273e29c1b 100644
--- a/usr/src/man/Makefile.man
+++ b/usr/src/man/Makefile.man
@@ -28,7 +28,10 @@ MANCHECKS=	$(MANFILES:%=%.check)
 ROOTMANFILES= 	$(MANFILES:%=$(ROOTMAN)/man$(MANSECT)/%)
 ROOTMANLINKS=	$(MANLINKS:%=$(ROOTMAN)/man$(MANSECT)/%)
 
-$(ROOTMAN)/man$(MANSECT)/% $(ROOTHASMAN)/man$(MANSECT)/%: %
+$(ROOTMAN)/man$(MANSECT) $(ROOTHASMAN)/man$(MANSECT):
+		$(INS.dir)
+
+$(ROOTMAN)/man$(MANSECT)/% $(ROOTHASMAN)/man$(MANSECT)/%: % $(ROOTMAN)/man$(MANSECT) $(ROOTHASMAN)/man$(MANSECT)
 		$(INS.file)
 
 #
@@ -45,7 +48,7 @@ $(MANCHECKS):
 $(MANLINKS):
 		$(RM) $@; $(SYMLINK) $(LINKSRC) $@
 
-$(ROOTMANLINKS): $(MANLINKS)
+$(ROOTMANLINKS): $(MANLINKS) $(ROOTMAN)/man$(MANSECT)
 		$(RM) $@; $(CP) -RP $(@F) $(@D)
 
 all:
diff --git a/usr/src/man/man1/Makefile b/usr/src/man/man1/Makefile
index 4503a71450..dae463b98c 100644
--- a/usr/src/man/man1/Makefile
+++ b/usr/src/man/man1/Makefile
@@ -73,6 +73,7 @@ MANFILES=	acctcom.1			\
 	 	clear.1				\
 	 	cmp.1				\
 	 	col.1				\
+	 	column.1			\
 	 	comm.1				\
 	 	command.1			\
 	 	compress.1			\
@@ -85,6 +86,8 @@ MANFILES=	acctcom.1			\
 	 	csh.1				\
 	 	csplit.1			\
 	 	ctags.1				\
+		ctfdiff.1			\
+		ctfdump.1			\
 	 	ctrun.1				\
 	 	ctstat.1			\
 	 	ctwatch.1			\
@@ -218,6 +221,7 @@ MANFILES=	acctcom.1			\
 	 	m4.1				\
 	 	mac.1				\
 	 	mach.1				\
+		machid.1			\
 	 	madv.so.1.1			\
 	 	mail.1				\
 	 	mailcompat.1			\
@@ -471,6 +475,9 @@ MANLINKS=	batch.1		\
 		helpuid.1	\
 		helpyorn.1	\
 		hist.1		\
+		i286.1		\
+		i386.1		\
+		i486.1		\
 		if.1		\
 		intro.1		\
 		jsh.1		\
@@ -515,9 +522,11 @@ MANLINKS=	batch.1		\
 		sh.1		\
 		snca.1		\
 		source.1	\
+		sparc.1		\
 		spellin.1	\
 		stop.1		\
 		strconf.1	\
+		sun.1		\
 		switch.1	\
 		ulimit.1	\
 		unalias.1	\
@@ -645,6 +654,12 @@ unlimit.1	:= LINKSRC = limit.1
 
 dumpkeys.1	:= LINKSRC = loadkeys.1
 
+i286.1		:= LINKSRC = machid.1
+i386.1		:= LINKSRC = machid.1
+i486.1		:= LINKSRC = machid.1
+sparc.1		:= LINKSRC = machid.1
+sun.1		:= LINKSRC = machid.1
+
 rmail.1		:= LINKSRC = mail.1
 
 page.1		:= LINKSRC = more.1
diff --git a/usr/src/man/man1/column.1 b/usr/src/man/man1/column.1
new file mode 100644
index 0000000000..a8c23310ba
--- /dev/null
+++ b/usr/src/man/man1/column.1
@@ -0,0 +1,129 @@
+.\" Copyright (c) 1989, 1990, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)column.1	8.1 (Berkeley) 6/6/93
+.\" $FreeBSD$
+.\"
+.\" Portions Copyright (c) 2013 Joyent, Inc.  All rights reserved.
+.\"
+.TH COLUMN 1 "Jan 10, 2013"
+.SH NAME
+column \- columnate lists
+.SH SYNOPSIS
+.LP
+.nf
+\fBcolumn\fR [\fB-tx\fR] [\fB-c\fR \fIcolumns\fR] [\fB-s\fR \fIsep\fR] [\fIfile\fR ... ]
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+The \fBcolumn\fR
+utility formats its input into multiple columns.
+Rows are filled before columns.
+Input is taken from
+\fIfile\fR
+operands, or, by default, from the standard input.
+Empty lines are ignored.
+.SH OPTIONS
+.sp
+.LP
+The options are as follows:
+.sp
+.ne 2
+.na
+\fB\fB-c\fR \fIcolumns\fR\fR
+.ad
+.RS 17n
+Output is formatted for a display \fIcolumns\fR
+wide.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fB-s\fR \fIsep\fR\fR
+.ad
+.RS 17n
+Specify a set of characters to be used to delimit columns for the
+\fB-t\fR option.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fB-t\fR\fR
+.ad
+.RS 17n
+Determine the number of columns the input contains and create a table.
+Columns are delimited with whitespace, by default, or with the characters
+supplied using the \fBs\fR
+option.
+Useful for pretty-printing displays.
+.RE
+
+.sp
+.ne 2
+.na
+\fB-x\fR
+.ad
+.RS 17n
+Fill columns before filling rows.
+.RE
+
+.SH ENVIRONMENT
+The COLUMNS , LANG , LC_ALL
+and
+LC_CTYPE
+environment variables affect the execution of
+\fBcolumn\fR
+as described in
+\fBenviron\fR(5).
+
+.SH EXIT STATUS
+The \fBcolumn\fR utility exits 0 on success and >0 if an error occurs.
+
+.SH EXAMPLES
+.sp
+.in +2
+.nf
+(printf \&"PERM LINKS OWNER GROUP SIZE MONTH DAY \&"\ \&;\ \&\e
+printf \&"HH:MM/YEAR NAME\en\&"\ \&;\ \&\e
+ls -l \&| sed 1d) \&| column -t
+.fi
+.in -2
+.sp
+
+
+.SH SEE ALSO
+\fBls\fR(1), \fBpaste\fR(1), \fBsort\fR(1)
+
+.SH HISTORY
+The \fBcolumn\fR command appeared in 4.3BSD-Reno.
+
+.SH BUGS
+Input lines are limited to LINE_MAX bytes in length.
diff --git a/usr/src/man/man1/crontab.1 b/usr/src/man/man1/crontab.1
index c93255f406..1008b63a21 100644
--- a/usr/src/man/man1/crontab.1
+++ b/usr/src/man/man1/crontab.1
@@ -1,6 +1,7 @@
 '\" te
 .\" Copyright 1989 AT&T
 .\" Copyright (c) 2009, Sun Microsystems, Inc. All Rights Reserved
+.\" Copyright (c) 2011, Joyent, Inc. All Rights Reserved
 .\" Portions Copyright (c) 1992, X/Open Company Limited All Rights Reserved
 .\" Sun Microsystems, Inc. gratefully acknowledges The Open Group for permission to reproduce portions of its copyrighted documentation. Original documentation from The Open Group can be obtained online at  http://www.opengroup.org/bookstore/.
 .\" The Institute of Electrical and Electronics Engineers and The Open Group, have given us permission to reprint portions of their documentation. In the following statement, the phrase "this text" refers to portions of the system documentation. Portions of this text
@@ -10,7 +11,7 @@
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH CRONTAB 1 "Apr 6, 2009"
+.TH CRONTAB 1 "Sep 23, 2013"
 .SH NAME
 crontab \- user crontab file
 .SH SYNOPSIS
@@ -26,7 +27,7 @@ crontab \- user crontab file
 
 .LP
 .nf
-\fB/usr/bin/crontab\fR \fB-l\fR [\fIusername\fR]
+\fB/usr/bin/crontab\fR \fB-l\fR [\fB-g\fR] [\fIusername\fR]
 .fi
 
 .LP
@@ -46,7 +47,7 @@ crontab \- user crontab file
 
 .LP
 .nf
-\fB/usr/xpg4/bin/crontab\fR \fB-l\fR [\fIusername\fR]
+\fB/usr/xpg4/bin/crontab\fR \fB-l\fR [\fB-g\fR] [\fIusername\fR]
 .fi
 
 .LP
@@ -66,7 +67,7 @@ crontab \- user crontab file
 
 .LP
 .nf
-\fB/usr/xpg6/bin/crontab\fR \fB-l\fR [\fIusername\fR]
+\fB/usr/xpg6/bin/crontab\fR \fB-l\fR [\fB-g\fR] [\fIusername\fR]
 .fi
 
 .LP
@@ -86,6 +87,17 @@ users' crontabs.
 .LP
 If \fBcrontab\fR is invoked with \fIfilename\fR, this overwrites an existing
 \fBcrontab\fR entry for the user that invokes it.
+.sp
+.LP
+Cron supports a merged crontab with entries coming from either the user's
+\fB/var/spool/cron/crontabs\fR file or from the user's
+\fB/etc/cron.d/crontabs\fR file.  The entries in the user's
+\fB/var/spool/cron/crontabs\fR file are editable whereas those in
+\fB/etc/cron.d/crontabs\fR are system-defined entries which may not
+be customized by the user.  The dual set of crontab entries is only
+of interest to system-defined users such as \fBroot\fR.  Except where
+otherwise explicitly indicated, all variants of the \fBcrontab\fR command
+act only on the editable crontab files found in \fB/var/spool/cron/crontabs\fR.
 .SS "\fBcrontab\fR Access Control"
 .sp
 .LP
@@ -343,6 +355,9 @@ file using the \fB-r\fR option.
 If \fIusername\fR is specified, the specified user's \fBcrontab\fR file is
 edited, rather than the current user's \fBcrontab\fR file. This can only be
 done by root or by a user with the \fBsolaris.jobs.admin\fR authorization.
+.sp
+Only the entries in the user's \fB/var/spool/cron/crontabs\fR file are
+editable.
 .RE
 
 .sp
@@ -354,6 +369,22 @@ done by root or by a user with the \fBsolaris.jobs.admin\fR authorization.
 Lists the \fBcrontab\fR file for the invoking user. Only root or a user with
 the \fBsolaris.jobs.admin\fR authorization can specify a username following the
 \fB-l\fR option to list the \fBcrontab\fR file of the specified user.
+.sp
+Entries from the user's \fB/var/spool/cron/crontabs\fR file are listed, unless
+the \fB-g\fR option is given, in which case only entries from the user's
+\fB/etc/cron.d/crontabs\fR file are listed.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fB-g\fR\fR
+.ad
+.RS 6n
+In conjunction with the \fB-l\fR option, lists the global \fBcrontab\fR file
+for the invoking or specified user (if authorized) instead of the editable
+\fBcrontab\fR file.  This option is not valid unless the \fB-l\fR option is
+also given.
 .RE
 
 .sp
@@ -583,6 +614,15 @@ list of denied users
 .sp
 .ne 2
 .na
+\fB\fB/etc/cron.d/crontabs\fR\fR
+.ad
+.RS 28n
+system spool area for \fBcrontab\fR
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fB/var/cron/log\fR\fR
 .ad
 .RS 28n
diff --git a/usr/src/man/man1/ctfdiff.1 b/usr/src/man/man1/ctfdiff.1
new file mode 100644
index 0000000000..1934c64c52
--- /dev/null
+++ b/usr/src/man/man1/ctfdiff.1
@@ -0,0 +1,337 @@
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright (c) 2015, Joyent, Inc.
+.\"
+.Dd Oct 4, 2014
+.Dt CTFDIFF 1
+.Os
+.Sh NAME
+.Nm ctfdiff
+.Nd compare two CTF containers
+.Sh SYNOPSIS
+.Nm ctfdiff
+.Op Fl afIloqt
+.Op Fl F Ar function
+.Op Fl O Ar object
+.Op Fl p Ar parent1
+.Op Fl p Ar parent2
+.Op Fl T Ar type
+.Ar file1 file2
+.Sh DESCRIPTION
+The
+.Nm
+utility identifies differences between the contents of the
+.Sy CTF
+containers found in
+.Em file1
+and
+.Em file2 .
+.Lp
+.Nm
+can find differences between two
+.Sy CTF
+container's
+.Sy labels ,
+.Sy functions ,
+.Sy objects ,
+and
+.Sy types .
+When no options are specified,
+.Nm
+will only consider
+.Sy functions ,
+.Sy objects,
+and
+.Sy types .
+.Lp
+Two
+.Sy labels
+are considered the same, if they have the same name. Two
+.Sy objects
+are considered the same if they have the same name and the type of the
+object is the same. Two
+.Sy functions
+are considered the same if they have the same, the same return type, the
+same number of arguments, and the types of their arguments are the same.
+.Lp
+Two
+.Sy types
+are considered the same if they have the same, they represent the same
+kind of thing, and the contents of the type are the same. This varies
+for each specific kind, for example, two structs are the same if they
+have the same members whose types, offsets, and names are all the same.
+For more information on the specifics for what we look at for each kind
+of type, and the kinds themselves, see the information we use to encode
+them in
+.Xr ctf 4 . If the option
+.Fl I
+is specified, then the names of basic integer types are ignored. For an
+example of where this makes sense, see
+.Sy Example 4 .
+.Lp
+If the
+.Sy CTF
+container found inside of either
+.Em file1
+or
+.Em file2
+has been uniquified (see
+.Xr ctf 4
+for more on uniquification), then the parent
+.Sy CTF
+container is also required for the diff to complete.
+.Sh OPTIONS
+The following options are supported:
+.Bl -hang -width Ds
+.It Fl a
+.Bd -filled -compact
+Diff
+.Sy labels ,
+.Sy types ,
+.Sy objects ,
+and
+.Sy functions .
+.Ed
+.It Fl f
+.Bd -filled -compact
+Diff
+.Sy function
+type argument information.
+.Ed
+.It Fl F Ar function
+.Bd -filled -compact
+When diffing
+.Sy functions ,
+only consider the function
+.Em function .
+This option requires that the option
+.Fl -f
+be specified and can be repeated multiple times.
+.Ed
+.It Fl I
+.Bd -filled -compact
+Ignore the names of integral types. This option is useful when comparing
+types between two
+.Sy CTF
+containers that have different programming models. In this case, when
+comparing integers, the name of the type is not considered. This means
+that the ILP32 type long which is a 32-bit wide signed integer is the
+same as the LP64 type int which is a 32-bit wide signed integer, even
+though they have different names.
+.Ed
+.It Fl l
+.Bd -filled -compact
+Diff the
+.Sy labels
+contained inside the
+.Sy CTF
+containers.
+.Ed
+.It Fl o
+.Bd -filled -compact
+Diff type information for
+.Sy objects .
+.Ed
+.It Fl O Ar object
+.Bd -filled -compact
+When diffing type information for
+.Sy objects ,
+only compare if the object is name
+.Em object . This option requires
+.Fl o
+to be specified and can be repeated multiple times.
+.Ed
+.It Fl p Ar parent1
+.Bd -filled -compact
+Specifies the path of file that is the parent of the
+.Sy CTF
+container inside of
+.Em file1
+is
+.Em parent1 .
+This option is required if
+.Em file1
+has been uniquified. For more information on uniquification, see
+.Xr ctf 4 .
+.Ed
+.It Fl P Ar parent2
+.Bd -filled -compact
+Specifies the path of file that is the parent of the
+.Sy CTF
+container inside of
+.Em file2 is
+.Em parent2 .
+This option is required if
+.Em file1
+has been uniquified. For more information on uniquification, see
+.Xr ctf 4 .
+.Ed
+.It Fl q
+.Bd -filled -compact
+Enables quiet mode. Standard output from the diff will not be emitted.
+However, diagnostics messages will still be emitted to standard error.
+.Ed
+.It Fl t
+.Bd -filled -compact
+Diff the
+.Sy type
+information sections in the
+.Sy CTF
+containers.
+.Ed
+.It Fl T Ar type
+.Bd -filled -compact
+When diffing the
+.Sy types
+section, only consider it if the type is name
+.Em type .
+Types specified here do not impact the diffing of
+.Sy objects
+or
+.Sy functions .
+Even with
+.Fl -T
+specified, other types will be diffed as necessary for the evaluation of
+the named types; however, the results of those intermediate differences
+will not impact the results of
+.Nm ,
+only named types are considered when evaluating the exit status of
+.Nm .
+.Ed
+.El
+.Sh EXIT STATUS
+.Bl -inset
+.It Sy 0
+.Bd -filled -offset indent -compact
+Execution completed successfully, no differences were detected
+between
+.Em file1
+and
+.Em file2 .
+.Ed
+.It Sy 1
+.Bd -filled -offset indent -compact
+Execution completed successfully, but differences were detected
+between
+.Em file1
+and
+.Em file2 .
+.Ed
+.It Sy 2
+.D1 Invalid command line options were specified.
+.It Sy 3
+.D1 A fatal error occured.
+.El
+.Sh EXAMPLES
+.Sy Example 1
+Diffing Two
+.Sy CTF
+Containers
+.Lp
+The following example compares two
+.Sy CTF
+containers using the default set
+of comparisons:
+.Sy objects ,
+.Sy functions ,
+and
+.Sy types .
+.Bd -literal -offset 6n
+$ ctfdiff /usr/lib/libc.so.1 /usr/lib/libdtrace.so.1
+ctf container /usr/lib/libc.so.1 type 37 is different
+ctf container /usr/lib/libc.so.1 type 38 is different
+ctf container /usr/lib/libc.so.1 type 39 is different
+ctf container /usr/lib/libc.so.1 type 40 is different
+ctf container /usr/lib/libc.so.1 type 41 is different
+ctf container /usr/lib/libc.so.1 type 42 is different
+ctf container /usr/lib/libc.so.1 type 43 is different
+ctf container /usr/lib/libc.so.1 type 47 is different
+ctf container /usr/lib/libc.so.1 type 48 is different
+ctf container /usr/lib/libc.so.1 type 49 is different
+\&...
+.Ed
+.Sy Example 2
+Diffing Types Between Two
+.Sy CTF
+Containers with Parents
+.Lp
+The following example compares two
+.Sy CTF
+containers
+.Sy /ws/rm/zlan/proto/kernel/drv/amd64/vnd
+and
+.Sy /ws/rm/zlan/proto/kernel/drv/amd64/overlay
+that have been uniquified against the same container
+.Sy /ws/rm/zlan/proto/kernel/amd64/genunix .
+.Bd -literal -offset 6n
+$ ctfdiff -t -p /ws/rm/zlan/proto/kernel/amd64/genunix \\
+    -P /ws/rm/zlan/proto/kernel/amd64/genunix \\
+    /ws/rm/zlan/proto/kernel/drv/amd64/vnd  \\
+    /ws/rm/zlan/proto/kernel/drv/amd64/overlay
+ctf container /ws/rm/zlan/proto/kernel/drv/amd64/vnd type 32769 is different
+ctf container /ws/rm/zlan/proto/kernel/drv/amd64/vnd type 32770 is different
+ctf container /ws/rm/zlan/proto/kernel/drv/amd64/vnd type 32771 is different
+ctf container /ws/rm/zlan/proto/kernel/drv/amd64/vnd type 32772 is different
+ctf container /ws/rm/zlan/proto/kernel/drv/amd64/vnd type 32774 is different
+ctf container /ws/rm/zlan/proto/kernel/drv/amd64/vnd type 32775 is different
+ctf container /ws/rm/zlan/proto/kernel/drv/amd64/vnd type 32776 is different
+ctf container /ws/rm/zlan/proto/kernel/drv/amd64/vnd type 32777 is different
+ctf container /ws/rm/zlan/proto/kernel/drv/amd64/vnd type 32778 is different
+ctf container /ws/rm/zlan/proto/kernel/drv/amd64/vnd type 32779 is different
+\&...
+.Ed
+.Lp
+.Sy Example 3
+Diffing a Specific Function in Two
+.Sy CTF
+Containers
+.Lp
+This example shows us looking for differences in the function
+.Sy libzfs_core_init
+in two different version of the library
+.Sy libzfs_core.so.1 .
+.Bd -literal -offset 6n
+$ ctfdiff -f -F libzfs_core_init /usr/lib/libzfs_core.so.1 \\
+    /ws/rm/ctf/proto/usr/lib/libzfs_core.so.1
+$ echo $?
+.Ed
+.Lp
+.Sy Example 4
+Diffing Types to Find Differences Between Different Data Models.
+.Lp
+This example looks for differences between structures used in an ioctl
+that the kernel wants to be bitness neutral by comparing a 32-bit and
+64-bit library that consumes it. In this example, we'll use the library
+.Sy libvnd.so.1
+and the types
+.Sy vnd_ioc_attach_t ,
+.Sy vnd_ioc_link_t ,
+.Sy vnd_ioc_unlink_t ,
+.Sy vnd_ioc_buf_t ,
+and
+.Sy vnd_ioc_info_t .
+.Bd -literal -offset 6n
+$ ctfdiff -t -I -T vnd_ioc_attach_t  -T vnd_ioc_link_t  \\
+    -T vnd_ioc_unlink_t -T vnd_ioc_buf_t  -T vnd_ioc_info_t \\
+    i386/libvnd.so.1 amd64/libvnd.so.1
+$ echo $?
+0
+.Ed
+.Sh INTERFACE STABILITY
+The command syntax is
+.Sy Committed .
+The output format is
+.Sy Uncommitted .
+.Sh SEE ALSO
+.Xr ctfdump 1 ,
+.Xr diff 1 ,
+.Xr ctf 4
diff --git a/usr/src/man/man1/ctfdump.1 b/usr/src/man/man1/ctfdump.1
new file mode 100644
index 0000000000..d502352c8a
--- /dev/null
+++ b/usr/src/man/man1/ctfdump.1
@@ -0,0 +1,214 @@
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright (c) 2015, Joyent, Inc.
+.\"
+.Dd Oct 4, 2014
+.Dt CTFDUMP 1
+.Os
+.Sh NAME
+.Nm ctfdump
+.Nd dump parts of ctf data from files
+.Sh SYNOPSIS
+.Nm ctfdump
+.Op Fl dfhlsSt
+.Op Fl p Ar parent
+.Op Fl u Ar outfile
+.Ar file
+.Sh DESCRIPTION
+The
+.Nm
+utility dumps and decodes the
+.Sy CTF
+data contained inside of
+.Sy ELF
+objects and raw
+.Sy CTF
+files.
+.Lp
+.Nm
+can dump information about the
+.Sy CTF header ,
+the
+.Sy labels
+encoded in the
+.Sy CTF
+container,
+the types of
+.Sy data objects ,
+the internal
+.Sy string
+table,
+the types of the return function and the arguments for
+.Sy functions ,
+and of course, it displays information about the
+.Sy types
+defined in the
+.Sy CTF
+container.
+.Lp
+.Nm
+can also be used to dump out the raw
+.Sy CTF
+data and send it to another file. When writing out data, it always
+ensures that the
+.Sy CTF
+data is decompressed. In this form, the
+.Sy CTF
+data can be inspected using
+.Nm
+and other tools such as
+.Xr mdb 1 .
+.Lp
+When no options are specified,
+.Nm
+displays all information. However, when the
+.Fl u
+option is used, then no information is displayed by default, unless
+requested through the the appropriate option.
+.Sh OPTIONS
+The following options are supported:
+.Bl -hang -width Ds
+.It Fl d
+.Bd -filled -compact
+Dump the types of symbols that correspond to objects.
+.Ed
+.It Fl f
+.Bd -filled -compact
+Dump the types of the return values and arguments of the functions.
+.Ed
+.It Fl h
+.Bd -filled -compact
+Dump the
+.Sy CTF
+header
+.Ed
+.It Fl l
+.Bd -filled -compact
+Dump all
+.Sy CTF
+labels associated with the file.
+.Ed
+.It Fl p Ar parent
+.Bd -filled -compact
+Use the type information in
+.Em parent
+to supplement output. This is useful when a
+.Nm CTF
+container has been
+.Sy uniquified
+against
+.Em parent .
+This allows
+.Nm
+to use the names of types when used with
+.Fl t .
+.Ed
+.It Fl s
+.Bd -filled -compact
+Dump the internal
+.Sy CTF
+string table
+.Ed
+.It Fl S
+.Bd -filled -compact
+Displays statistics about the
+.Sy CTF
+container.
+.Ed
+.It Fl t
+.Bd -filled -compact
+Dump the type information contained in the
+.Sy CTF
+conatiner.
+.Ed
+.It Fl u Ar outfile
+.Bd -filled -compact
+Copies the uncompressed
+.Sy CTF
+data to the file specified by
+.Em outfile .
+This can be used to make it easier to inspect the raw
+.Sy CTF
+data.
+.Ed
+.El
+.Sh EXIT STATUS
+.Bl -inset
+.It Sy 0
+.Dl Execution completed successfully.
+.It Sy 1
+.Dl A fatal error occured.
+.It Sy 2
+.Dl Invalid command line options were specified.
+.El
+.Sh EXAMPLES
+.Sy Example 1
+Displaying the Type Section of a Single File
+.Lp
+The following example dumps the type section of the file
+.Sy /usr/lib/libc.so.1 .
+.Bd -literal -offset 6n
+$ ctfdump -t /usr/lib/libc.so.1
+- Types ----------------------------------------------------
+
+  <1> int encoding=SIGNED offset=0 bits=32
+  <2> long encoding=SIGNED offset=0 bits=32
+  <3> typedef pid_t refers to 2
+  <4> unsigned int encoding=0x0 offset=0 bits=32
+  <5> typedef uid_t refers to 4
+  <6> typedef gid_t refers to 5
+  <7> typedef uintptr_t refers to 4
+\&...
+.Ed
+.Lp
+.Sy Example 2
+Dumping the CTF data to Another File
+.Lp
+The following example dumps the entire CTF data from the file
+.Sy /usr/lib/libc.so.1
+and places it into the file
+.Sy ctf.out .
+This then shows how you can use the
+.Xr mdb 1
+to inspect its contents.
+.Bd -literal -offset 6n
+$ ctfdump -u ctf.out /usr/lib/libc.so.1
+$ mdb ./ctf.out
+> ::typedef -r /usr/lib/libctf.so.1
+> 0::print ctf_header_t
+{
+    cth_preamble = {
+        ctp_magic = 0xcff1
+        ctp_version = 0x2
+        ctp_flags = 0
+    }
+    cth_parlabel = 0
+    cth_parname = 0
+    cth_lbloff = 0
+    cth_objtoff = 0x8
+    cth_funcoff = 0x5e0
+    cth_typeoff = 0x7178
+    cth_stroff = 0x12964
+    cth_strlen = 0x7c9c
+}
+.Ed
+.Sh INTERFACE STABILITY
+The command syntax is
+.Sy Committed .
+The output format is
+.Sy Uncommitted .
+.Sh SEE ALSO
+.Xr ctfdiff 1 ,
+.Xr dump 1 ,
+.Xr elfdump 1 ,
+.Xr mdb 1 ,
+.Xr ctf 4
diff --git a/usr/src/man/man1/ld.1 b/usr/src/man/man1/ld.1
index fdddea7ece..4ebe033dce 100644
--- a/usr/src/man/man1/ld.1
+++ b/usr/src/man/man1/ld.1
@@ -24,7 +24,7 @@ ld \- link-editor for object files
 [\fB-z\fR combreloc | nocombreloc ] [\fB-z\fR defs | nodefs]
 [\fB-z\fR direct | nodirect] [\fB-z\fR endfiltee]
 [\fB-z\fR fatal-warnings | nofatal-warnings ] [\fB-z\fR finiarray=\fIfunction\fR]
-[\fB-z\fR globalaudit] [\fB-z\fR groupperm | nogroupperm] 
+[\fB-z\fR globalaudit] [\fB-z\fR groupperm | nogroupperm] [\fB-z\fR help ]
 [\fB-z\fR guidance[=\fIid1\fR,\fIid2\fR...] [\fB-z\fR help ]
 [\fB-z\fR ignore | record] [\fB-z\fR initarray=\fIfunction\fR] [\fB-z\fR initfirst]
 [\fB-z\fR interpose] [\fB-z\fR lazyload | nolazyload]
diff --git a/usr/src/man/man1/ld.so.1.1 b/usr/src/man/man1/ld.so.1.1
index 4b14ca4f1a..19afbbf3d6 100644
--- a/usr/src/man/man1/ld.so.1.1
+++ b/usr/src/man/man1/ld.so.1.1
@@ -1,9 +1,10 @@
 '\"
 .\" Copyright (c) 2009, Sun Microsystems, Inc. All Rights Reserved
+.\" Copyright (c) 2014, Joyent, Inc.  All Rights Reserved
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License. You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.
 .\"  See the License for the specific language governing permissions and limitations under the License. When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with
 .\" the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH LD.SO.1 1 "Oct 5, 2012"
+.TH LD.SO.1 1 "May 8, 2014"
 .SH NAME
 ld.so.1 \- runtime linker for dynamic objects
 .SH SYNOPSIS
@@ -574,6 +575,24 @@ aid debugging. See also the \fBRTLD_DI_SETSIGNAL\fR request to
 .RE
 
 .sp
+.ne 2
+.na
+.BR LD_TOXIC_PATH,
+.BR LD_TOXIC_PATH_32,
+.BR LD_TOXIC_PATH_64,
+.ad
+.sp .6
+.RS 4n
+The toxic path refers to a set of paths where by, if
+.B ld.so.1
+were to load a dependency on that path, rather than loading it, it
+should kill the process. This is useful when having built libraries that
+while matching the native architecture of the system, are not suitable
+to be used, for example, libraries that that correspond to an alternate
+release of an operating system.
+.RE
+
+.sp
 .LP
 Notice that environment variable names beginning with the
 characters '\fBLD_\fR' are reserved for possible future enhancements to \fBld\fR(1) and
diff --git a/usr/src/man/man1/machid.1 b/usr/src/man/man1/machid.1
new file mode 100644
index 0000000000..cb95fa36b6
--- /dev/null
+++ b/usr/src/man/man1/machid.1
@@ -0,0 +1,25 @@
+'\" te
+.\"  Copyright 1989 AT&T
+.\" Copyright (c) 1999, Sun Microsystems, Inc.
+.\"  All Rights Reserved
+.\" Copyright 2015, Joyent, Inc.
+.\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
+.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
+.\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
+.TH MACHID 1 "Feb 27, 2015"
+.SH NAME
+machid, sun, i286, i386, i486, sparc \- get processor type truth value
+
+.SH DESCRIPTION
+.sp
+.LP
+These commands are obsolete and may be removed in a future version of the
+software.
+.sp
+.ne 2
+.na
+.SH NOTES
+.sp
+.LP
+The \fBmachid\fR family of commands is obsolete. Use \fBuname\fR \fB-p\fR and
+\fBuname\fR \fB-m\fR instead.
diff --git a/usr/src/man/man1/nawk.1 b/usr/src/man/man1/nawk.1
index 425db5d299..2c27e1baa0 100644
--- a/usr/src/man/man1/nawk.1
+++ b/usr/src/man/man1/nawk.1
@@ -15,6 +15,12 @@ nawk \- pattern scanning and processing language
 .SH SYNOPSIS
 .LP
 .nf
+\fB/usr/bin/awk\fR [\fB-F\fR \fIERE\fR] [\fB-v\fR \fIassignment\fR] \fI\&'program'\fR | \fB-f\fR \fIprogfile\fR...
+     [\fIargument\fR]...
+.fi
+
+.LP
+.nf
 \fB/usr/bin/nawk\fR [\fB-F\fR \fIERE\fR] [\fB-v\fR \fIassignment\fR] \fI\&'program'\fR | \fB-f\fR \fIprogfile\fR...
      [\fIargument\fR]...
 .fi
@@ -28,7 +34,8 @@ nawk \- pattern scanning and processing language
 .SH DESCRIPTION
 .sp
 .LP
-The \fB/usr/bin/nawk\fR and \fB/usr/xpg4/bin/awk\fR utilities execute
+The \fB/usr/bin/awk\fR, \fB/usr/bin/nawk\fR and \fB/usr/xpg4/bin/awk\fR
+utilities execute
 \fIprogram\fRs written in the \fBnawk\fR programming language, which is
 specialized for textual data manipulation. A \fBnawk\fR \fIprogram\fR is a
 sequence of patterns and corresponding actions. The string specifying
diff --git a/usr/src/man/man1/pmadvise.1 b/usr/src/man/man1/pmadvise.1
index 93d3b45576..1210155f6c 100644
--- a/usr/src/man/man1/pmadvise.1
+++ b/usr/src/man/man1/pmadvise.1
@@ -79,6 +79,7 @@ free
 access_lwp
 access_many
 access_default
+purge
 .fi
 .in -2
 .sp
@@ -127,7 +128,7 @@ from the other advice within the same group:
 .in +2
 .nf
 MADV_NORMAL, MADV_RANDOM, MADV_SEQUENTIAL
-MADV_WILLNEED, MADV_DONTNEED, MADV_FREE
+MADV_WILLNEED, MADV_DONTNEED, MADV_FREE, MADV_PURGE
 MADV_ACCESS_DEFAULT, MADV_ACCESS_LWP, MADV_ACCESS_MANY
 .fi
 .in -2
diff --git a/usr/src/man/man1/proc.1 b/usr/src/man/man1/proc.1
index cd20e215e3..bf0e588012 100644
--- a/usr/src/man/man1/proc.1
+++ b/usr/src/man/man1/proc.1
@@ -2,10 +2,11 @@
 .\" Copyright (c) 2008, Sun Microsystems, Inc. All Rights Reserved
 .\" Portions Copyright 2008 Chad Mynhier
 .\" Copyright 2012 DEY Storage Systems, Inc.  All rights reserved.
+.\" Copyright 2013 (c) Joyent, Inc.  All rights reserved.
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH PROC 1 "Oct 23, 2012"
+.TH PROC 1 "Apr 01, 2013"
 .SH NAME
 proc, pflags, pcred, pldd, psig, pstack, pfiles, pwdx, pstop, prun, pwait,
 ptime \- proc tools
@@ -72,7 +73,7 @@ ptime \- proc tools
 
 .LP
 .nf
-\fB/usr/bin/ptime\fR [\fB-Fm\fR] [\fB-p\fR] \fIpid\fR...
+\fB/usr/bin/ptime\fR [\fB-Fm\fR] \fB-p pidlist\fR
 .fi
 
 .LP
@@ -215,8 +216,10 @@ Time the \fIcommand\fR, like \fBtime\fR(1), but using microstate accounting for
 reproducible precision. Unlike \fBtime\fR(1), children of the command are not
 timed.
 .sp
-If the \fB-p\fR \fIpid\fR version is used, display a snapshot of timing
-statistics for the specified \fIpid\fR.
+If the \fB-p\fR \fIpidlist\fR version is used, display a snapshot of timing
+statistics for the specified processes. The \fIpidlist\fR may either be a comma
+delineated list or a space delineated list. Space delineated lists must be
+properly quoted to assure that they are in a single argument.
 .RE
 
 .SH OPTIONS
diff --git a/usr/src/man/man1/ps.1 b/usr/src/man/man1/ps.1
index 7ff574f12b..2b0d435c44 100644
--- a/usr/src/man/man1/ps.1
+++ b/usr/src/man/man1/ps.1
@@ -38,6 +38,9 @@ displayed is controlled by the options.
 Some options accept lists as arguments. Items in a list can be either separated
 by commas or else enclosed in quotes and separated by commas or spaces. Values
 for \fIproclist\fR and \fIgrplist\fR must be numeric.
+.sp
+.LP
+The \fBps\fR command also accepts BSD-style options.  See \fBps\fR(1b).
 .SH OPTIONS
 .sp
 .LP
@@ -1311,7 +1314,8 @@ Standard	See \fBstandards\fR(5).
 .sp
 .LP
 \fBkill\fR(1), \fBlgrpinfo\fR(1), \fBnice\fR(1), \fBpagesize\fR(1),
-\fBpmap\fR(1), \fBpriocntl\fR(1), \fBwho\fR(1), \fBgetty\fR(1M), \fBproc\fR(4),
+\fBpmap\fR(1), \fBpriocntl\fR(1), \fBps\fR(1b), \fBwho\fR(1), \fBgetty\fR(1M),
+\fBproc\fR(4),
 \fBttysrch\fR(4), \fBattributes\fR(5), \fBenviron\fR(5),
 \fBresource_controls\fR(5), \fBstandards\fR(5), \fBzones\fR(5)
 .SH NOTES
diff --git a/usr/src/man/man1/sed.1 b/usr/src/man/man1/sed.1
index 126402343c..cd805bd841 100644
--- a/usr/src/man/man1/sed.1
+++ b/usr/src/man/man1/sed.1
@@ -1,8 +1,6 @@
 .\" Copyright (c) 1992, 1993
 .\"     The Regents of the University of California.  All rights reserved.
 .\"
-.\" Copyright 2011 Nexenta Systems, Inc. All rights reserved.
-.\"
 .\" This code is derived from software contributed to Berkeley by
 .\" the Institute of Electrical and Electronics Engineers, Inc.
 .\"
@@ -44,7 +42,8 @@
 [\fB\-Ealnr\fP]
 [\fB\-e\fP \fIcommand\fP]
 [\fB\-f\fP \fIcommand_file\fP]
-[\fB\-I\fP[\fIextension\fP] | \fB\-i\fP[\fIextension\fP]]
+[\fB\-I\fP \fIextension\fP]
+[\fB\-i\fP \fIextension\fP]
 [\fIfile ...\fP]
 .SH DESCRIPTION
 The
@@ -97,11 +96,16 @@ Append the editing commands found in the file
 to the list of commands.
 The editing commands should each be listed on a separate line.
 .TP
-\fB\-I\fP[\fIextension\fP]
-Edit files in-place, saving backups if \fIextension\fP was specified.
-It is not recommended to omit saving backups when in-place editing files,
-as you risk corruption or partial content in situations where disk
-space is exhausted, etc.
+\fB\-I\fP \fIextension\fP
+Edit files in-place, saving backups with the specified
+\fIextension\fP.
+If a zero-length
+\fIextension\fP
+is given, no backup will be saved.
+It is not recommended to give a zero-length
+\fIextension\fP
+when in-place editing files, as you risk corruption or partial content
+in situations where disk space is exhausted, etc.
 
 Note that in-place editing with
 \fB\-I\fP
@@ -119,7 +123,7 @@ where using
 \fB\-i\fP
 is desired.
 .TP
-\fB\-i\fP[\fIextension\fP]
+\fB\-i\fP \fIextension\fP
 Edit files in-place similarly to
 \fB\-I\fP,
 but treat each file independently from other files.
diff --git a/usr/src/man/man1/zlogin.1 b/usr/src/man/man1/zlogin.1
index 7c99eb6cb1..476faab86f 100644
--- a/usr/src/man/man1/zlogin.1
+++ b/usr/src/man/man1/zlogin.1
@@ -13,43 +13,43 @@
 .\" Portions Copyright [yyyy] [name of copyright owner]
 .\" Copyright 2013 DEY Storage Systems, Inc.
 .\" Copyright (c) 2014 Gary Mills
+.\" Copyright (c) 2015, Joyent, Inc. All Rights Reserved
 .\" Copyright 2015 Nexenta Systems, Inc. All rights reserved.
-.TH ZLOGIN 1 "Mar 17, 2015"
+.TH ZLOGIN 1 "Mar 30, 2015"
 .SH NAME
 zlogin \- enter a zone
 .SH SYNOPSIS
 .LP
 .nf
-\fBzlogin\fR [\fB-dCEQ\fR] [\fB-e\fR \fIc\fR] [\fB-l\fR \fIusername\fR] \fIzonename\fR
+\fBzlogin\fR [\fB-dCEINQ\fR] [\fB-e\fR \fIc\fR] [\fB-l\fR \fIusername\fR] \fIzonename\fR
 .fi
 
 .LP
 .nf
-\fBzlogin\fR [\fB-nEQS\fR] [\fB-e\fR \fIc\fR] [\fB-l\fR \fIusername\fR] \fIzonename\fR \fIutility\fR
+\fBzlogin\fR [\fB-inEQS\fR] [\fB-e\fR \fIc\fR] [\fB-l\fR \fIusername\fR] \fIzonename\fR \fIutility\fR
      [\fIargument\fR]...
 .fi
 
 .SH DESCRIPTION
-.sp
 .LP
 The \fBzlogin\fR utility is used by the administrator to enter an operating
 system zone. Only a superuser operating in the global system zone can use this
 utility.
 .sp
 .LP
-\fBzlogin\fR operates in one of three modes:
+\fBzlogin\fR operates in one of four modes:
 .sp
 .ne 2
 .na
 \fBInteractive Mode\fR
 .ad
 .RS 24n
-If no utility argument is given and the stdin file descriptor for the
-\fBzlogin\fR process is a tty device, \fBzlogin\fR operates in \fBinteractive
-mode\fR. In this mode, \fBzlogin\fR creates a new pseudo terminal for use
-within the login session. Programs requiring a tty device, for example,
-\fBvi\fR(1), work properly in this mode. In this mode, \fBzlogin\fR invokes
-\fBlogin\fR(1) to provide a suitable login session.
+If no utility argument is given or if the \fB-i\fR option is specified, and the
+stdin file descriptor for the \fBzlogin\fR process is a tty device, \fBzlogin\fR
+operates in \fBinteractive mode\fR. In this mode, \fBzlogin\fR creates a new
+pseudo terminal for use within the login session. Programs requiring a tty
+device, for example, \fBvi\fR(1), work properly in this mode. In this mode,
+\fBzlogin\fR invokes \fBlogin\fR(1) to provide a suitable login session.
 .RE
 
 .sp
@@ -58,11 +58,12 @@ within the login session. Programs requiring a tty device, for example,
 \fBNon-Interactive Mode\fR
 .ad
 .RS 24n
-If a utility is specified, \fBzlogin\fR operates in \fBnon-interactive mode\fR.
-This mode can be useful for script authors since stdin, stdout, and stderr are
-preserved and the exit status of \fIutility\fR is returned upon termination. In
-this mode, \fBzlogin\fR invokes \fBsu\fR(1M) in order to set up the user's
-environment and to provide a login environment.
+If a utility is specified and the \fB-i\fR option is not specified, \fBzlogin\fR
+operates in \fBnon-interactive mode\fR.  This mode can be useful for script
+authors since stdin, stdout, and stderr are preserved and the exit status of
+\fIutility\fR is returned upon termination. In this mode, \fBzlogin\fR invokes
+\fBsu\fR(1M) in order to set up the user's environment and to provide a login
+environment.
 .sp
 The specified command is passed as a string and interpreted by a shell running
 in the non-global zone. See \fBrsh\fR(1).
@@ -80,8 +81,17 @@ available once the zone is in the installed  state. Connections to the console
 are persistent across reboot of the zone.
 .RE
 
-.SH OPTIONS
 .sp
+.ne 2
+.na
+\fBStandalone-processs Interactive Mode\fR
+.ad
+.RS 24n
+If the \fB-I\fR option is specified the user is connected to the zone's stdin,
+stdout and stderr \fBzfd(7D)\fR devices.
+.RE
+
+.SH OPTIONS
 .LP
 The following options are supported:
 .sp
@@ -127,6 +137,25 @@ login by using the escape sequence character.
 .sp
 .ne 2
 .na
+\fB\fB-i\fR\fR
+.ad
+.RS 15n
+Forces interactive mode when a utility argument is specified.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fB-I\fR\fR
+.ad
+.RS 15n
+Connects to the zone's \fBzfd(7D)\fR devices.
+.RE
+
+.sp
+.sp
+.ne 2
+.na
 \fB\fB-l\fR \fIusername\fR\fR
 .ad
 .RS 15n
@@ -149,6 +178,17 @@ and the shell which invokes \fBzlogin\fR both read from standard input.
 .sp
 .ne 2
 .na
+\fB-N\fR
+.ad
+.RS 15n
+Nohup. This may only be used with the -I option to avoid sending EOF to the zfd
+device when zlogin's stdin receives EOF. It can also be toggled by sending
+\fBSIGUSR1\fR to an attached zlogin process.
+.RE
+
+.sp
+.ne 2
+.na
 \fB-Q\fR
 .ad
 .RS 15n
@@ -172,7 +212,6 @@ other forms of login have become impossible.
 .RE
 
 .SS "Escape Sequences"
-.sp
 .LP
 Lines that you type that start with the tilde character (\fB~\fR) are "escape
 sequences". The escape character can be changed using the \fB-e\fR option.
@@ -187,12 +226,10 @@ host breaks the connection with no warning to the zone's end.
 .RE
 
 .SH SECURITY
-.sp
 .LP
 Once a process has been placed in a zone other than the global zone, the
 process cannot change zone again, nor can any of its children.
 .SH OPERANDS
-.sp
 .LP
 The following operands are supported:
 .sp
@@ -223,7 +260,6 @@ Arguments passed to the utility.
 .RE
 
 .SH EXIT STATUS
-.sp
 .LP
 In interactive and non-interactive modes, the \fBzlogin\fR utility exits when
 the command or shell in the non-global zone exits. In non-interactive mode, the
@@ -268,7 +304,6 @@ mode.
 .RE
 
 .SH ATTRIBUTES
-.sp
 .LP
 See \fBattributes\fR(5) for descriptions of the following attributes:
 .sp
@@ -284,12 +319,10 @@ Interface Stability	Evolving
 .TE
 
 .SH SEE ALSO
-.sp
 .LP
 \fBlogin\fR(1), \fBrsh\fR(1), \fBvi\fR(1), \fBsu\fR(1M), \fBzoneadm\fR(1M),
 \fBzonecfg\fR(1M), \fBattributes\fR(5), \fBzones\fR(5)
 .SH NOTES
-.sp
 .LP
 \fBzlogin\fR fails if its open files or any portion of its address space
 corresponds to an NFS file. This includes the executable itself or the shared
diff --git a/usr/src/man/man1m/Makefile b/usr/src/man/man1m/Makefile
index ddeddbafd5..ea7fe4121d 100644
--- a/usr/src/man/man1m/Makefile
+++ b/usr/src/man/man1m/Makefile
@@ -13,9 +13,10 @@
 # Copyright 2011, Richard Lowe
 # Copyright (c) 2012, Joyent, Inc.  All rights reserved.
 # Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
+# Copyright (c) 2014 Joyent, Inc. All rights reserved.
 #
 
-include		$(SRC)//Makefile.master
+include	$(SRC)//Makefile.master
 
 MANSECT=	1m
 
@@ -551,7 +552,10 @@ _MANFILES=	6to4relay.1m		\
 		uucleanup.1m		\
 		uusched.1m		\
 		uuxqt.1m		\
+		vfsstat.1m		\
 		vmstat.1m		\
+		vndadm.1m		\
+		vndstat.1m		\
 		volcopy.1m		\
 		volcopy_ufs.1m		\
 		vscanadm.1m		\
diff --git a/usr/src/man/man1m/dladm.1m b/usr/src/man/man1m/dladm.1m
index c8b2dd8e3e..9120023170 100644
--- a/usr/src/man/man1m/dladm.1m
+++ b/usr/src/man/man1m/dladm.1m
@@ -1,6 +1,6 @@
 '\" te
 .\" Copyright (c) 2008, Sun Microsystems, Inc. All Rights Reserved
-.\" Copyright (c) 2014, Joyent, Inc. All Rights Reserved
+.\" Copyright (c) 2015, Joyent, Inc. All Rights Reserved
 .\" Sun Microsystems, Inc. gratefully acknowledges The Open Group for permission to reproduce portions of its copyrighted documentation. Original documentation from The Open Group can be obtained online at http://www.opengroup.org/bookstore/.
 .\" The Institute of Electrical and Electronics Engineers and The Open Group, have given us permission to reprint portions of their documentation. In the following statement, the phrase "this text" refers to portions of the system documentation. Portions of this text
 .\" are reprinted and reproduced in electronic form in the Sun OS Reference Manual, from IEEE Std 1003.1, 2004 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2004 by the Institute of Electrical
@@ -9,14 +9,14 @@
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License. You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.
 .\" See the License for the specific language governing permissions and limitations under the License. When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the
 .\" fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH DLADM 1M "Dec 03, 2014"
+.TH DLADM 1M "Apr 09, 2015"
 .SH NAME
 dladm \- administer data links
 .SH SYNOPSIS
 .LP
 .nf
 \fBdladm show-link\fR [\fB-P\fR] [\fB-s\fR [\fB-i\fR \fIinterval\fR]] [[\fB-p\fR] \fB-o\fR \fIfield\fR[,...]] [\fIlink\fR]
-\fBdladm rename-link\fR [\fB-R\fR \fIroot-dir\fR] \fIlink\fR \fInew-link\fR
+\fBdladm rename-link\fR [\fB-R\fR \fIroot-dir\fR] [\fB-z\fR \fIzonename\fR] \fIlink\fR \fInew-link\fR
 .fi
 
 .LP
@@ -99,9 +99,11 @@ dladm \- administer data links
 
 .LP
 .nf
-\fBdladm set-linkprop\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] \fB-p\fR \fIprop\fR=\fIvalue\fR[,...] \fIlink\fR
-\fBdladm reset-linkprop\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] [\fB-p\fR \fIprop\fR[,...]] \fIlink\fR
-\fBdladm show-linkprop\fR [\fB-P\fR] [[\fB-c\fR] \fB-o\fR \fIfield\fR[,...]] [\fB-p\fR \fIprop\fR[,...]] [\fIlink\fR]
+\fBdladm set-linkprop\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] [\fB-z\fR \fIzonename\fR] \fB-p\fR \fIprop\fR=\fIvalue\fR[,...]
+     \fIlink\fR
+\fBdladm reset-linkprop\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] [\fB-z\fR \fIzonename\fR] [\fB-p\fR \fIprop\fR[,...]] \fIlink\fR
+\fBdladm show-linkprop\fR [\fB-P\fR] [\fB-z\fR \fIzonename\fR] [[\fB-c\fR] \fB-o\fR \fIfield\fR[,...]]
+     [\fB-p\fR \fIprop\fR[,...]] [\fIlink\fR]
 .fi
 
 .LP
@@ -116,9 +118,9 @@ dladm \- administer data links
 \fBdladm create-vnic\fR [\fB-t\fR] \fB-l\fR \fIlink\fR [\fB-R\fR \fIroot-dir\fR] [\fB-m\fR \fIvalue\fR | auto |
      {factory \fB-n\fR \fIslot-identifier\fR]} | {random [\fB-r\fR \fIprefix\fR]}]
      [\fB-v\fR \fIvlan-id\fR] [\fB-p\fR \fIprop\fR=\fIvalue\fR[,...]] \fIvnic-link\fR
-\fBdladm delete-vnic\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] \fIvnic-link\fR
+\fBdladm delete-vnic\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] [\fB-z\fR \fIzonename\fR] \fIvnic-link\fR
 \fBdladm show-vnic\fR [\fB-pP\fR] [\fB-s\fR [\fB-i\fR \fIinterval\fR]] [\fB-o\fR \fIfield\fR[,...]]
-     [\fB-l\fR \fIlink\fR] [\fIvnic-link\fR]
+     [\fB-l\fR \fIlink\fR] [\fB-z\fR \fIzonename\fR] [\fIvnic-link\fR]
 .fi
 
 .LP
@@ -139,6 +141,14 @@ dladm \- administer data links
 
 .LP
 .nf
+\fBdladm create-overlay\fR [\fB-t\fR] \fB-e\fR \fIencap\fR \fB-s\fR \fIsearch\fR \fB-v\fR \fIvnetid\fR [\fB-p\fR \fIprop\fR=\fIvalue\fR[,...]] \fIoverlay\fR
+\fBdladm delete-overlay\fR \fIoverlay\fR
+\fBdladm modify-overlay\fR \fB-d\fR \fImac\fR | \fB-f\fR | \fB-s\fR \fImac=ip:port\fR \fIoverlay\fR
+\fBdladm show-overlay\fR [ \fB-f\fR | \fB-t\fR ] [[\fB-p\fR] \fB-o\fR \fIfield\fR[,...]] [\fIoverlay\fR]
+.fi
+
+.LP
+.nf
 \fBdladm show-usage\fR [\fB-a\fR] \fB-f\fR \fIfilename\fR [\fB-p\fR \fIplotfile\fR \fB-F\fR \fIformat\fR] [\fB-s\fR \fItime\fR]
      [\fB-e\fR \fItime\fR] [\fIlink\fR]
 .fi
@@ -226,9 +236,9 @@ A WiFi datalink.
 .ad
 .sp .6
 .RS 4n
-A virtual network interface created on a link or an \fBetherstub\fR. It is a
-pseudo device that can be treated as if it were an network interface card on a
-machine.
+A virtual network interface created on a link, an \fBetherstub\fR, or \fBan
+overlay\fR. It is a pseudo device that can be treated as if it were an network
+interface card on a machine.
 .RE
 
 .sp
@@ -296,6 +306,20 @@ use any alphanumeric characters, as well as underscore (\fB_\fR), period
 characters.
 .RE
 
+.sp
+.ne 2
+.na
+.B overlay
+.ad
+.sp .6
+.RS 4n
+An overlay instance, identified by an administratively-chosen name. An overlay
+can be used to create or join an existing software defined network.
+VNICs created on an overlay will appear to be connected by a local virtual
+switch and will also be connected to interfaces on matching overlays provided by
+other hosts. For more information on overlay devices, see \fBoverlay\fR(5).
+.RE
+
 .SS "Options"
 .LP
 Each \fBdladm\fR subcommand has its own set of options. However, many of the
@@ -568,8 +592,7 @@ will be displayed only once.
 .sp
 .ne 2
 .na
-\fB\fBdladm rename-link\fR [\fB-R\fR \fIroot-dir\fR] \fIlink\fR
-\fInew-link\fR\fR
+\fB\fBdladm rename-link\fR [\fB-R\fR \fIroot-dir\fR] [\fB-z\fR \fIzonename\fR] \fIlink\fR \fInew-link\fR\fR
 .ad
 .sp .6
 .RS 4n
@@ -587,6 +610,16 @@ examples of how this subcommand is used.
 See "Options," above.
 .RE
 
+.sp
+.ne 2
+.na
+\fB\fB-z\fR \fIzonename\fR
+.ad
+.sp .6
+.RS 4n
+A link assigned to a zone can only be renamed while the zone is in the ready state.
+.RE
+
 .RE
 
 .sp
@@ -3192,8 +3225,7 @@ Extended output is displayed for \fBPTYPE\fR values of \fBcurrent\fR,
 .sp
 .ne 2
 .na
-\fB\fBdladm set-linkprop\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] \fB-p\fR
-\fIprop\fR=\fIvalue\fR[,...] \fIlink\fR\fR
+\fB\fBdladm set-linkprop\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] [\fB-z\fR \fIzonename\fR] \fB-p\fR \fIprop\fR=\fIvalue\fR[,...] \fIlink\fR\fR
 .ad
 .sp .6
 .RS 4n
@@ -3225,6 +3257,16 @@ See "Options," above.
 .sp
 .ne 2
 .na
+\fB\fB-z\fR \fIzonenme\fR
+.ad
+.sp .6
+.RS 4n
+Operate on a link that has been delegated to the specified zone.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fB-p\fR \fIprop\fR=\fIvalue\fR[,...], \fB--prop\fR
 \fIprop\fR=\fIvalue\fR[,...]\fR
 .ad
@@ -3244,8 +3286,7 @@ same value.
 .sp
 .ne 2
 .na
-\fB\fBdladm reset-linkprop\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] [\fB-p\fR
-\fIprop\fR,...] \fIlink\fR\fR
+\fB\fBdladm reset-linkprop\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] [\fB-z\fR \fIzonename\fR] [\fB-p\fR \fIprop\fR,...] \fIlink\fR\fR
 .ad
 .sp .6
 .RS 4n
@@ -3277,6 +3318,16 @@ See "Options," above.
 .sp
 .ne 2
 .na
+\fB\fB-z\fR \fIzonenme\fR
+.ad
+.sp .6
+.RS 4n
+Operate on a link that has been delegated to the specified zone.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fB-p\fR \fIprop, ...\fR, \fB--prop\fR=\fIprop, ...\fR\fR
 .ad
 .sp .6
@@ -3291,8 +3342,7 @@ the same value.
 .sp
 .ne 2
 .na
-\fB\fBdladm show-linkprop\fR [\fB-P\fR] [[\fB-c\fR] \fB-o\fR
-\fIfield\fR[,...]][\fB-p\fR \fIprop\fR[,...]] [\fIlink\fR]\fR
+\fB\fBdladm show-linkprop\fR [\fB-P\fR] [\fB-z\fR \fIzonename\fR] [[\fB-c\fR] \fB-o\fR \fIfield\fR[,...]][\fB-p\fR \fIprop\fR[,...]] [\fIlink\fR]\fR
 .ad
 .sp .6
 .RS 4n
@@ -3410,6 +3460,16 @@ Display persistent link property information
 .sp
 .ne 2
 .na
+\fB\fB-z\fR \fIzonenme\fR
+.ad
+.sp .6
+.RS 4n
+Operate on a link that has been delegated to the specified zone.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fB-p\fR \fIprop, ...\fR, \fB--prop\fR=\fIprop, ...\fR\fR
 .ad
 .sp .6
@@ -3727,8 +3787,7 @@ A comma-separated list of properties to set to the specified values.
 .sp
 .ne 2
 .na
-\fB\fBdladm delete-vnic\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR]
-\fIvnic-link\fR\fR
+\fB\fBdladm delete-vnic\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] [\fB-z\fR \fIzonename\fR] \fIvnic-link\fR\fR
 .ad
 .sp .6
 .RS 4n
@@ -3754,13 +3813,22 @@ next reboot.
 See "Options," above.
 .RE
 
+.sp
+.ne 2
+.na
+\fB\fB-z\fR \fIzonenme\fR
+.ad
+.sp .6
+.RS 4n
+Operate on a link that has been delegated to the specified zone.
+.RE
+
 .RE
 
 .sp
 .ne 2
 .na
-\fB\fBdladm show-vnic\fR [\fB-pP\fR] [\fB-s\fR [\fB-i\fR \fIinterval\fR]]
-[\fB-o\fR \fIfield\fR[,...]] [\fB-l\fR \fIlink\fR] [\fIvnic-link\fR]\fR
+\fB\fBdladm show-vnic\fR [\fB-pP\fR] [\fB-s\fR [\fB-i\fR \fIinterval\fR]] [\fB-o\fR \fIfield\fR[,...]] [\fB-l\fR \fIlink\fR] [\fB-z\fR \fIzonename\fR] [\fIvnic-link\fR]\fR
 .ad
 .sp .6
 .RS 4n
@@ -3903,6 +3971,16 @@ will be displayed only once.
 Display information for all VNICs on the named link.
 .RE
 
+.sp
+.ne 2
+.na
+\fB\fB-z\fR \fIzonenme\fR
+.ad
+.sp .6
+.RS 4n
+Operate on a link that has been delegated to the specified zone.
+.RE
+
 .RE
 
 .sp
@@ -4320,6 +4398,348 @@ The tunnel destination address.
 .sp
 .ne 2
 .na
+\fBdladm create-overlay\fR \fB-e\fR \fIencap\fR \fB-s\fR \fIsearch\fR
+\fB-v\fR \fIvnetid\fR [\fB-p\fR \fIprop\fR=\fIvalue\fR[,...]] \fIoverlay\fR
+.ad
+.sp .6
+.RS 4n
+Create an overlay device named \fIoverlay\fR.
+.sp
+Overlay devices are similar to etherstubs. VNICs can be created on top
+of them. However, unlike an etherstub which is local to the system, an
+overlay device can be configured to communicate to remote hosts,
+providing a means for network virtualization. The way in which it does
+this is described by the encapsulation module and the search plugin. For
+more information on these, see \fBoverlay\fR(5).
+.sp
+An overlay device has a series of required and optional properties.  These
+properties vary based upon the search and encapsulation modules and are fully
+specified in \fBoverlay\fR(5). Not every property needs to be specified - some
+have default values which will be used if nothing specific is specified. For
+example, the default port for VXLAN comes from its IANA standard. If a
+required property is missing, the command will fail and inform you of the
+missing properties.
+.sp
+.ne 2
+.na
+\fB\fB-t\fR, \fB--temporary\fR\fR
+.ad
+.sp .6
+.RS 4n
+Specifies that the overlay is temporary. Temporary overlays last until
+the next reboot.
+.RE
+
+.sp
+.ne 2
+.na
+\fB-e\fR \fIencap\fR, \fB--encap\fR=\fIencap\fR
+.ad
+.sp .6
+.RS 4n
+Use \fIencap\fR as the encapsulation plugin for the overlay device
+\fIoverlay\fR. The encapsulation plugin determines how packets are transformed
+before being put on the wire.
+.RE
+
+.sp
+.ne 2
+.na
+\fB-s\fR \fIsearch\fR, \fB--search\fR=\fIsearch\fR
+.ad
+.sp .6
+.RS 4n
+Use \fIsearch\fR as the search plugin for \fIoverlay\fR. The search plugin
+determines how non-local targets are found and where packets are directed to.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fB-p\fR \fIprop\fR=\fIvalue\fR,..., \fB--prop\fR
+\fIprop\fR=\fIvalue\fR,...\fR
+.ad
+.sp .6
+.RS 4n
+A comma-separated list of properties to set to the specified values.
+.RE
+
+.sp
+.ne 2
+.na
+\fB-v\fR \fIvnetid\fR, \fB--vnetid\fR=\fIvnetid\fR
+.ad
+.sp .6
+.RS 4n
+Sets the virtual networking identfier to \fIvnetid\fR. A virtual network
+identifier determines is similar to a VLAN identifier, in that it identifies a
+unique virtual network. All overlay devices on the system share the same space
+for the virtual network idenfifiter. However, the valid range of identifiers is
+determined by the encapsulation plugin specified by \fB-e\fR.
+.RE
+
+.RE
+
+.sp
+.ne 2
+.na
+\fBdladm delete-overlay\fR \fIoverlay\fR
+.ad
+.sp .6
+.RS 4n
+Delete the specified overlay. This will fail if there are VNICs on top of the
+device.
+.RE
+
+.sp
+.ne 2
+.na
+\fBdladm modify-overlay\fR \fB-d\fR \fImac\fR | \fB-f\fR | \fB-s\fR \fImac=ip:port\fR \fIoverlay\fR
+.ad
+.sp .6
+.RS 4n
+Modifies the target tables for the specified overlay.
+.sp
+The different options allow for different ways of modifying the target table.
+One of \fB-d\fR, \fB-f\fR, and \fB-s\fR is required. This is not applicable for
+all kinds of overlay devices. For more information, see \fBoverlay\fR(5).
+.sp
+.ne 2
+.na
+\fB-d\fR \fImac\fR, \fB--delete-entry\fR=\fImac\fR
+.ad
+.sp .6
+.RS 4n
+Deletes the entry for \fImac\fR from the target table for \fIoverlay\fR. Note,
+if a lookup is pending or outstanding, this does not cancel it or stop it from
+updating the value.
+.RE
+
+.sp
+.ne 2
+.na
+\fB-f\fR, \fB--flush-table\fR
+.ad
+.sp .6
+.RS 4n
+Flushes all values in the target table for \fIoverlay\fR.
+.RE
+
+.sp
+.ne 2
+.na
+\fB-s\fR \fImac\fR=\fIvalue\fR, \fB--set-entry\fR=\fImac\fR=\fIvalue\fR
+.ad
+.sp .6
+.RS 4n
+Sets the value of \fIoverlay\fR's target table entry for \fImac\fR to the
+specified value. The specified value varies upon the encapsulation plugin. The
+value may be a combination of a MAC address, IP adress, and port. Generall, this
+looks like [\fImac\fR,][\fIIP\fR:][\fIport\fR]. If a component is the last one,
+then there is no need for a separator. eg. if just the MAC address or IP is
+needed, it would look like \fImac\fR and \fIIP\fR respectively.
+.RE
+
+.RE
+
+.sp
+.ne 2
+.na
+\fBdladm show-overlay\fR [ \fB-f\fR | \fB-t\fR ] [[\fB-p\fR] \fB-o\fR \fIfield\fR[,...]] [\fIoverlay\fR]
+.ad
+.sp .6
+.RS 4n
+Shows overlay configuration (the default), internal target tables (\fB-t\fR), or
+the FMA state (\fB-f\fR), either for all overlays or the specified overlay.
+.sp
+By default (with neither \fB-f\fR or \fB-t\fR specified), the following fields
+will be displayed:
+.sp
+.ne 2
+.na
+\fB\fBLINK\fR\fR
+.ad
+.sp .6
+.RS 4n
+The name of the overlay.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBPROPERTY\fR\fR
+.ad
+.sp .6
+.RS 4n
+The name of the property.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBPERM\fR\fR
+.ad
+.sp .6
+.RS 4n
+The read/write permissions of the property. The value shown is one of \fBr-\fR
+or \fBrw\fR.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBVALUE\fR\fR
+.ad
+.sp .6
+.RS 4n
+The current  property value. If the value is not set, it is shown as \fB--\fR.
+If it is unknown, the value is shown as \fB?\fR.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBDEFAULT\fR\fR
+.ad
+.sp .6
+.RS 4n
+The default value of the property. If the property has no default value,
+\fB--\fR is shown.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBPOSSIBLE\fR\fR
+.ad
+.sp .6
+.RS 4n
+A comma-separated list of the values the property can have. If the values span
+a numeric range, \fImin\fR - \fImax\fR might be shown as shorthand. If the
+possible values are unknown or unbounded, \fB--\fR is shown.
+.RE
+
+.sp
+When the \fB-f\fR option is displayed, the following fields will be displayed:
+.sp
+.ne 2
+.na
+\fB\fBLINK\fR\fR
+.ad
+.sp .6
+.RS 4n
+The name of the overlay.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBSTATUS\fR\fR
+.ad
+.sp .6
+.RS 4n
+Either \fBONLINE\fR or \fBDEGRADED\fR.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBDETAILS\fR\fR
+.ad
+.sp .6
+.RS 4n
+When the \fBoverlay\fR's status is \fBONLINE\fR, then this has the value
+\fB--\fR. Otherwise, when it is \fBDEGRADED\fR, this field provides a more
+detailed explanation as to why it's degraded.
+.RE
+
+.sp
+When the \fB-t\fR option is displayed, the following fields will be displayed:
+.sp
+.ne 2
+.na
+\fB\fBLINK\fR\fR
+.ad
+.sp .6
+.RS 4n
+The name of the overlay.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBTARGET\fR\fR
+.ad
+.sp .6
+.RS 4n
+The target MAC address of a table entry.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBDESTINATION\fR\fR
+.ad
+.sp .6
+.RS 4n
+The address that an encapsulated packet will be sent to when a packet has the
+address specified by \fBTARGET\fR.
+.RE
+
+The \fBshow-overlay\fR command supports the following options:
+
+.sp
+.ne 2
+.na
+\fB-f\fR, \fB--fma\fR
+.ad
+.sp .6
+.RS 4n
+Displays information about an overlay device's FMA state. For more
+information on the target table, see \fBoverlay\fR(5).
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fB-o\fR \fIfield\fR[,...], \fB--output\fR=\fIfield\fR\fR
+.ad
+.sp .6
+.RS 4n
+A case-insensitive, comma-separated list of output fields to display. The field
+name must be one of the fields listed above, or the special value \fBall\fR, to
+display all fields. The fields applicable to the \fB-o\fR option are limited to
+those listed under each output mode. For example, if using \fB-L\fR, only the
+fields listed under \fB-L\fR, above, can be used with \fB-o\fR.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fB-p\fR, \fB--parseable\fR\fR
+.ad
+.sp .6
+.RS 4n
+Display using a stable machine-parseable format. The \fB-o\fR option is
+required with \fB-p\fR. See "Parseable Output Format", below.
+.RE
+
+.sp
+.ne 2
+.na
+\fB-t\fR, \fB--target\fR
+.ad
+.sp .6
+.RS 4n
+Displays information about an overlay device's target table. For more
+information on the target table, see \fBoverlay\fR(5).
+.RE
+
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fBdladm show-usage\fR [\fB-a\fR] \fB-f\fR \fIfilename\fR [\fB-p\fR
 \fIplotfile\fR \fB-F\fR \fIformat\fR] [\fB-s\fR \fItime\fR] [\fB-e\fR
 \fItime\fR] [\fIlink\fR]\fR
@@ -5480,7 +5900,7 @@ Interface Stability	Committed
 .LP
 \fBacctadm\fR(1M), \fBautopush\fR(1M), \fBifconfig\fR(1M), \fBipsecconf\fR(1M),
 \fBndd\fR(1M), \fBpsrset\fR(1M), \fBwpad\fR(1M), \fBzonecfg\fR(1M),
-\fBattributes\fR(5), \fBieee802.3\fR(5), \fBdlpi\fR(7P)
+\fBattributes\fR(5), \fBieee802.3\fR(5), \fBoverlay\fR(5), \fBdlpi\fR(7P)
 .SH NOTES
 .LP
 The preferred method of referring to an aggregation in the aggregation
diff --git a/usr/src/man/man1m/flowadm.1m b/usr/src/man/man1m/flowadm.1m
index b12ce6af96..c9d5b846d5 100644
--- a/usr/src/man/man1m/flowadm.1m
+++ b/usr/src/man/man1m/flowadm.1m
@@ -1,5 +1,6 @@
 '\" te
 .\" Copyright (c) 2009, Sun Microsystems, Inc. All Rights Reserved
+.\" Copyright (c) 2011, Joyent, Inc. All Rights Reserved
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
@@ -11,14 +12,14 @@ services, containers, and virtual machines
 .LP
 .nf
 \fBflowadm show-flow\fR [\fB-pP\fR] [\fB-S\fR] [\fB-s\fR [\fB-i\fR \fIinterval\fR]] [\fB-l\fR \fIlink\fR]
-     [\fB-o\fR \fIfield\fR[,...]] [\fIflow\fR]
+     [\fB-o\fR \fIfield\fR[,...]] [\fB-z\fR \fIzonename\fR] [\fIflow\fR]
 .fi
 
 .LP
 .nf
-\fBflowadm add-flow\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] \fB-l\fR \fIlink\fR \fB-a\fR \fIattr\fR=\fIvalue\fR[,...]
-     \fB-p\fR \fIprop\fR=\fIvalue\fR[,...] \fIflow\fR
-\fBflowadm remove-flow\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] {\fB-l\fR \fIlink\fR | \fIflow\fR}
+\fBflowadm add-flow\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] [\fB-z\fR \fIzonename\fR] \fB-l\fR \fIlink\fR
+     \fB-a\fR \fIattr\fR=\fIvalue\fR[,...] \fB-p\fR \fIprop\fR=\fIvalue\fR[,...] \fIflow\fR
+\fBflowadm remove-flow\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] [\fB-z\fR \fIzonename\fR] {\fB-l\fR \fIlink\fR | \fIflow\fR}
 .fi
 
 .LP
@@ -77,8 +78,7 @@ The following subcommands are supported:
 .sp
 .ne 2
 .na
-\fB\fBflowadm show-flow\fR [\fB-pP\fR] [\fB-s\fR [\fB-i\fR \fIinterval\fR]]
-[\fB-o\fR \fIfield\fR[,...]] [\fB-l\fR \fIlink\fR] [\fIflow\fR]\fR
+\fB\fBflowadm show-flow\fR [\fB-pP\fR] [\fB-s\fR [\fB-i\fR \fIinterval\fR]] [\fB-o\fR \fIfield\fR[,...]] [\fB-l\fR \fIlink\fR] [\fB-z\fR \fIzonename\fR] [\fIflow\fR]\fR
 .ad
 .sp .6
 .RS 4n
@@ -223,14 +223,22 @@ Display information for all flows on the named link or information for the
 named flow.
 .RE
 
+.sp
+.ne 2
+.na
+\fB\fB-z\fR \fIzonename\fR
+.ad
+.sp .6
+.RS 4n
+Operate on a link that has been delegated to the specified zone.
+.RE
+
 .RE
 
 .sp
 .ne 2
 .na
-\fB\fBflowadm add-flow\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] \fB-l\fR
-\fIlink\fR \fB-a\fR \fIattr\fR=\fIvalue\fR[,...] \fB-p\fR
-\fIprop\fR=\fIvalue\fR[,...] \fIflow\fR\fR
+\fB\fBflowadm add-flow\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] [\fB-z\fR \fIzonename\fR] \fB-l\fR \fIlink\fR \fB-a\fR \fIattr\fR=\fIvalue\fR[,...] \fB-p\fR \fIprop\fR=\fIvalue\fR[,...] \fIflow\fR\fR
 .ad
 .sp .6
 .RS 4n
@@ -268,6 +276,16 @@ persistent creation.
 .sp
 .ne 2
 .na
+\fB\fB-z\fR \fIzonename\fR
+.ad
+.sp .6
+.RS 4n
+Operate on a link that has been delegated to the specified zone.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fB-l\fR \fIlink\fR, \fB--link\fR=\fIlink\fR\fR
 .ad
 .sp .6
@@ -300,8 +318,7 @@ A comma-separated list of properties to be set to the specified values.
 .sp
 .ne 2
 .na
-\fB\fBflowadm remove-flow\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] \fB-l\fR
-{\fIlink\fR | \fIflow\fR}\fR
+\fB\fBflowadm remove-flow\fR [\fB-t\fR] [\fB-R\fR \fIroot-dir\fR] [\fB-z\fR \fIzonename\fR] \fB-l\fR {\fIlink\fR | \fIflow\fR}\fR
 .ad
 .sp .6
 .RS 4n
@@ -331,6 +348,16 @@ persistent removal.
 .sp
 .ne 2
 .na
+\fB\fB-z\fR \fIzonename\fR
+.ad
+.sp .6
+.RS 4n
+Operate on a link that has been delegated to the specified zone.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fB-l\fR \fIlink\fR | \fIflow\fR, \fB--link\fR=\fIlink\fR | \fIflow\fR\fR
 .ad
 .sp .6
diff --git a/usr/src/man/man1m/ipf.1m b/usr/src/man/man1m/ipf.1m
index 57a3f4bb9a..e61bfba39c 100644
--- a/usr/src/man/man1m/ipf.1m
+++ b/usr/src/man/man1m/ipf.1m
@@ -2,7 +2,7 @@
 .\" To view license terms, attribution, and copyright for IP Filter, the default path is /usr/lib/ipf/IPFILTER.LICENCE. If the Solaris operating environment has been installed anywhere other than the default, modify the given path to access the file at the installed
 .\" location.
 .\" Portions Copyright (c) 2009, Sun Microsystems Inc. All Rights Reserved.
-.\" Portions Copyright (c) 2014, Joyent, Inc. All Rights Reserved.
+.\" Portions Copyright (c) 2015, Joyent, Inc.
 .TH IPF 1M "Oct 7, 2014"
 .SH NAME
 ipf \- alter packet filtering lists for IP packet input and output
@@ -54,7 +54,7 @@ Configure system and services' firewall policies. See \fBsvc.ipfd\fR(1M) and
 .TP
 3.
 (Optional) Create a network address translation (NAT) configuration file.
-See \fBipnat.conf\fR(4).
+See \fBipnat\fR(4).
 .RE
 .RS +4
 .TP
@@ -542,7 +542,7 @@ Interface Stability	Committed
 .SH SEE ALSO
 .LP
 \fBipfstat\fR(1M), \fBipmon\fR(1M), \fBipnat\fR(1M), \fBippool\fR(1M),
-\fBsvcadm\fR(1M), \fBsvc.ipfd\fR(1M), \fBipf\fR(4), \fBipnat.conf\fR(4),
+\fBsvcadm\fR(1M), \fBsvc.ipfd\fR(1M), \fBipf\fR(4), \fBipnat\fR(4),
 \fBippool\fR(4), \fBattributes\fR(5), \fBipfilter\fR(5), \fBzones(5)\fR
 .sp
 .LP
diff --git a/usr/src/man/man1m/mount_tmpfs.1m b/usr/src/man/man1m/mount_tmpfs.1m
index a4f38d3b1f..7ea64130bd 100644
--- a/usr/src/man/man1m/mount_tmpfs.1m
+++ b/usr/src/man/man1m/mount_tmpfs.1m
@@ -1,9 +1,10 @@
 '\" te
 .\"  Copyright (c) 2003, Sun Microsystems, Inc.  All Rights Reserved
+.\"  Copyright 2015 Joyent, Inc.
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH MOUNT_TMPFS 1M "Nov 24, 2003"
+.TH MOUNT_TMPFS 1M "Mar 18, 2015"
 .SH NAME
 mount_tmpfs \- mount tmpfs file systems
 .SH SYNOPSIS
@@ -13,7 +14,6 @@ mount_tmpfs \- mount tmpfs file systems
 .fi
 
 .SH DESCRIPTION
-.sp
 .LP
 \fBtmpfs\fR is a memory based file system which uses kernel resources relating
 to the \fBVM\fR system and page cache as a file system.
@@ -26,13 +26,13 @@ remain hidden until the file system is once again unmounted. The attributes
 (mode, owner, and group) of the root of the \fBtmpfs\fR filesystem are
 inherited from the underlying \fImount_point\fR, provided that those attributes
 are determinable. If not, the root's attributes are set to their default
-values.
+values. The mode may also be overriden by the \fBmode\fR mount option, which
+takes precedence if set.
 .sp
 .LP
 The \fIspecial\fR argument is usually specified as \fBswap\fR but is in fact
 disregarded and assumed to be the virtual memory resources within the system.
 .SH OPTIONS
-.sp
 .ne 2
 .na
 \fB\fB-o\fR \fIspecific_options\fR\fR
@@ -45,13 +45,40 @@ available:
 .sp
 .ne 2
 .na
+\fB\fBremount\fR\fR
+.ad
+.sp .6
+.RS 19n
+Remounts a file system with a new size. A size not explicitly
+set with \fBremount\fR reverts to no limit.
+.RE
+
+.sp
+.ne 2
+.na
+\fBmode=\fIoctalmode\fR\fR
+.ad
+.RS 19n
+The \fImode\fR argument controls the permissions of the \fBtmpfs\fR mount
+point.  The argument must be an octal number, of the form passed to
+\fBchmod\fR(1).  Only the access mode, setuid, setgid, and sticky bits (a mask
+of \fB07777\fR) may be set.  If this option is not provided then the default
+mode behaviour, as described above, applies.
+.RE
+
+.sp
+.sp
+.ne 2
+.na
 \fBsize=\fIsz\fR\fR
 .ad
 .RS 19n
 The \fIsz\fR argument controls the size of this particular \fBtmpfs\fR file
 system. If the argument is has a `k' suffix, the number will be interpreted as
 a number of kilobytes. An `m' suffix will be interpreted as a number of
-megabytes. No suffix is interpreted as bytes. In all cases, the actual size of
+megabytes. A `g' suffix will be interpreted as a number of gigabytes. A `%'
+suffix will be interpreted as a percentage of the swap space available to the
+zone. No suffix is interpreted as bytes. In all cases, the actual size of
 the file system is the number of bytes specified, rounded up to the physical
 pagesize of the system.
 .RE
@@ -82,7 +109,6 @@ producing the error\f(CWdevice busy\fR.
 .RE
 
 .SH FILES
-.sp
 .ne 2
 .na
 \fB\fB/etc/mnttab\fR\fR
@@ -92,13 +118,11 @@ Table of mounted file systems
 .RE
 
 .SH SEE ALSO
-.sp
 .LP
 \fBmount\fR(1M), \fBmkdir\fR(2), \fBmount\fR(2), \fBopen\fR(2),
 \fBumount\fR(2), \fBmnttab\fR(4), \fBattributes\fR(5), \fBfsattr\fR(5),
 \fBtmpfs\fR(7FS)
 .SH NOTES
-.sp
 .LP
 If the directory on which a file system is to be mounted is a symbolic link,
 the file system is mounted on the directory to which the symbolic link refers,
diff --git a/usr/src/man/man1m/prstat.1m b/usr/src/man/man1m/prstat.1m
index a5f02621cf..08e2ce9907 100644
--- a/usr/src/man/man1m/prstat.1m
+++ b/usr/src/man/man1m/prstat.1m
@@ -1,6 +1,7 @@
 '\" te
 .\" Copyright (c) 2013 Gary Mills
 .\" Copyright (c) 2006, 2009 Sun Microsystems, Inc. All Rights Reserved.
+.\" Copyright (c) 2013, Joyent, Inc. All Rights Reserved.
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License. You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.
 .\"  See the License for the specific language governing permissions and limitations under the License. When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with
 .\" the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
@@ -10,10 +11,10 @@ prstat \- report active process statistics
 .SH SYNOPSIS
 .LP
 .nf
-\fBprstat\fR [\fB-acHJLmRrtTvWZ\fR] [\fB-d\fR u | d] [\fB-C\fR \fIpsrsetlist\fR] [\fB-h\fR \fIlgrplist\fR]
+\fBprstat\fR [\fB-acHJLmRrtTvVWZ\fR] [\fB-d\fR u | d] [\fB-C\fR \fIpsrsetlist\fR] [\fB-h\fR \fIlgrplist\fR]
      [\fB-j\fR \fIprojlist\fR] [\fB-k\fR \fItasklist\fR] [\fB-n\fR \fIntop\fR[,\fInbottom\fR]]
      [\fB-p\fR \fIpidlist\fR] [\fB-P\fR \fIcpulist\fR] [\fB-s\fR \fIkey\fR | \fB-S\fR \fIkey\fR ]
-     [\fB-u\fR \fIeuidlist\fR] [\fB-U\fR \fIuidlist\fR] [\fB-z\fR \fIzoneidlist\fR]
+     [\fB-u\fR \fIeuidlist\fR] [\fB-U\fR \fIuidlist\fR] [\fB-z\fR \fIzoneidlist\fR] [\fB-Z\fR]
      [\fIinterval\fR [\fIcount\fR]]
 .fi
 
@@ -366,6 +367,18 @@ with the \fB-\fR sign.
 .sp
 .ne 2
 .na
+\fB\fB-V\fR\fR
+.ad
+.sp .6
+.RS 4n
+Report accurate aggregated SWAP and  RSS values when used with the \fB-J\fR,
+\fB-t\fR, \fB-T\fR or \fB-Z\fR options. This uses an accurate, but more expensive,
+calculation to determine the aggregated values for the specified grouping.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fB-W\fR\fR
 .ad
 .sp .6
@@ -447,9 +460,11 @@ devices, in kilobytes (\fBK\fR), megabytes (\fBM\fR), or gigabytes (\fBG\fR).
 .RS 4n
 The resident set size of the process (\fBRSS\fR), in kilobytes (\fBK\fR),
 megabytes (\fBM\fR), or gigabytes (\fBG\fR). The RSS value is an estimate
-provided by \fBproc\fR(4) that might underestimate the actual resident set
-size. Users who want to get more accurate usage information for capacity
-planning should use the \fB-x\fR option to \fBpmap\fR(1) instead.
+provided by \fBproc\fR(4) that might underestimate the actual
+per-process resident set size and usually overestimates the aggregated
+resident set size. Users who want to get more accurate usage information for
+capacity planning should use either the \fB-V\fR option or, for per-process
+results, the \fB-x\fR option to \fBpmap\fR(1) instead.
 .RE
 
 .sp
diff --git a/usr/src/man/man1m/prtconf.1m b/usr/src/man/man1m/prtconf.1m
index d8ad9e72ba..ff62a01992 100644
--- a/usr/src/man/man1m/prtconf.1m
+++ b/usr/src/man/man1m/prtconf.1m
@@ -10,7 +10,7 @@ prtconf \- print system configuration
 .SH SYNOPSIS
 .LP
 .nf
-\fB/usr/sbin/prtconf\fR [\fB-V\fR] | [\fB-F\fR] | [\fB-x\fR] | [\fB-bpv\fR] | [\fB-acdDPv\fR]
+\fB/usr/sbin/prtconf\fR [\fB-V\fR] | [\fB-F\fR] | [\fB-m\fr] | [\fB-x\fR] | [\fB-bpv\fR] | [\fB-acdDPv\fR]
      [\fIdev_path\fR]
 .fi
 
@@ -100,6 +100,16 @@ console frame buffer on a SUNW,Ultra-30 is \fBffb\fR, the command returns:
 .sp
 .ne 2
 .na
+\fB\fB-m\fR\fR
+.ad
+.RS 6n
+Displays the amount system memory in megabytes.
+This flag must be used by itself.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fB-p\fR\fR
 .ad
 .RS 6n
diff --git a/usr/src/man/man1m/reboot.1m b/usr/src/man/man1m/reboot.1m
index 1ff92b6f33..8eadedf18d 100644
--- a/usr/src/man/man1m/reboot.1m
+++ b/usr/src/man/man1m/reboot.1m
@@ -144,8 +144,7 @@ This option is currently available only on x86 systems. The \fB-p\fR and
 .ad
 .sp .6
 .RS 4n
-Quick. Reboot quickly and ungracefully, without shutting down running processes
-first.
+Quick. Reboot quickly without halting running zones first.
 .RE
 
 .SH OPERANDS
diff --git a/usr/src/man/man1m/snoop.1m b/usr/src/man/man1m/snoop.1m
index ca969e22b4..4184c66e10 100644
--- a/usr/src/man/man1m/snoop.1m
+++ b/usr/src/man/man1m/snoop.1m
@@ -1,9 +1,10 @@
 '\" te
 .\" Copyright (C) 2009, Sun Microsystems, Inc. All Rights Reserved
+.\" Copyright (c) 2014, Joyent, Inc.  All rights reserved.
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH SNOOP 1M "Feb 18, 2009"
+.TH SNOOP 1M "Feb 24, 2014"
 .SH NAME
 snoop \- capture and inspect network packets
 .SH SYNOPSIS
@@ -12,7 +13,7 @@ snoop \- capture and inspect network packets
 \fBsnoop\fR  [\fB-aqrCDINPSvV\fR] [\fB-t\fR [r |  a |  d]] [\fB-c\fR \fImaxcount\fR]
  [\fB-d\fR \fIdevice\fR] [\fB-i\fR \fIfilename\fR] [\fB-n\fR \fIfilename\fR] [\fB-o\fR \fIfilename\fR]
  [\fB-p\fR \fIfirst\fR [, \fIlast\fR]] [\fB-s\fR \fIsnaplen\fR] [\fB-x\fR \fIoffset\fR [, \fIlength\fR]]
- [\fIexpression\fR]
+ [\fB-z\fR \fIzonename\fR] [\fIexpression\fR]
 .fi
 
 .SH DESCRIPTION
@@ -298,6 +299,22 @@ the whole packet, use an \fIoffset\fR of 0. If a \fIlength\fR value is not
 provided, the rest of the packet is displayed.
 .RE
 
+.sp
+.ne 2
+.na
+.BI -z zonename
+.ad
+.sp .6
+.RS 4n
+Open an earlier datalink specified via
+.B -d
+or
+.B -I
+in the specified zone \fIzonename\fR.
+This option is only meaningful in the global zone and
+allows the global zone to inspect datalinks of non-global zones.
+.RE
+
 .SH OPERANDS
 .sp
 .ne 2
diff --git a/usr/src/man/man1m/svc.startd.1m b/usr/src/man/man1m/svc.startd.1m
index 7c80c35e23..103c6b5fec 100644
--- a/usr/src/man/man1m/svc.startd.1m
+++ b/usr/src/man/man1m/svc.startd.1m
@@ -4,7 +4,7 @@
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH SVC.STARTD 1M "Mar 18, 2011"
+.TH SVC.STARTD 1M "Aug 23, 2012"
 .SH NAME
 svc.startd \- Service Management Facility master restarter
 .SH SYNOPSIS
@@ -372,10 +372,13 @@ properties listed below in the \fBstartd\fR property group.
 .RS 4n
 The \fBcritical_failure_count\fR and \fBcritical_failure_period\fR properties
 together specify the maximum number of service failures allowed in a given
-time interval before \fBsvc.startd\fR transitions the service to maintenance.
+number of seconds before \fBsvc.startd\fR transitions the service to
+maintenance.
 If the number of failures exceeds \fBcritical_failure_count\fR in any period of
 \fBcritical_failure_period\fR seconds, \fBsvc.startd\fR will transition the
-service to maintenance.
+service to maintenance. The \fBcritical_failure_count\fR value is limited
+to the range 1-10 and defaults to 10.  The \fBcritical_failure_period\fR
+defaults to 600 seconds.
 .RE
 
 .sp
diff --git a/usr/src/man/man1m/tunefs.1m b/usr/src/man/man1m/tunefs.1m
index 7f522f43fa..0b849f2dd7 100644
--- a/usr/src/man/man1m/tunefs.1m
+++ b/usr/src/man/man1m/tunefs.1m
@@ -3,7 +3,7 @@
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH TUNEFS 1M "Dec 5, 2003"
+.TH TUNEFS 1M "Sep 19, 2013"
 .SH NAME
 tunefs \- tune an existing UFS file system
 .SH SYNOPSIS
@@ -120,3 +120,9 @@ encountering files greater than or equal to 2 Gbyte ( 2^31 bytes).
 .sp
 .LP
 \fBmkfs_ufs\fR(1M), \fBnewfs\fR(1M), \fBattributes\fR(5), \fBlargefile\fR(5)
+
+.\" Take this out and a Unix Demon will dog your steps from now until
+.\" the time_t's wrap around.
+.SH BUGS
+.sp
+You can tune a file system, but you can't tune a fish.
diff --git a/usr/src/man/man1m/vfsstat.1m b/usr/src/man/man1m/vfsstat.1m
new file mode 100644
index 0000000000..aef8431a09
--- /dev/null
+++ b/usr/src/man/man1m/vfsstat.1m
@@ -0,0 +1,213 @@
+'\" te
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\" 
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\" Copyright 2014 Joyent, Inc. All rights reserved.
+.\"
+.TH "VFSSTAT" "1m" "May 1, 2014" "" ""
+.
+.SH "NAME"
+\fBvfsstat\fR \-\- Report VFS read and write activity
+.
+.SH "SYNOPSIS"
+.
+.nf
+vfsstat [\-hIMrzZ] [interval [count]]
+.
+.fi
+.
+.SH "DESCRIPTION"
+The vfsstat utility reports a summary of VFS read and write
+activity per zone\.  It first prints all activity since boot, then
+reports activity over a specified interval\.
+.
+.P
+When run from a non\-global zone (NGZ), only activity from that NGZ
+can be observed\.  When run from a the global zone (GZ), activity
+from the GZ and all other NGZs can be observed\.
+.
+.P
+This tool is convenient for examining I/O performance as
+experienced by a particular zone or application\.  Other tools
+which examine solely disk I/O do not report reads and writes which
+may use the filesystem\'s cache\.  Since all read and write system
+calls pass through the VFS layer, even those which are satisfied
+by the filesystem cache, this tool is a useful starting point when
+looking at a potential I/O performance problem\.  The vfsstat
+command reports the most accurate reading of I/O performance as
+experienced by an application or zone\.
+.
+.P
+One additional feature is that ZFS zvol performance is also reported
+by this tool, even though zvol I/O does not go through the VFS
+layer\. This is done so that this single tool can be used to monitor
+I/O performance and because its not unreasonable to think of zvols
+as being included along with other ZFS filesystems\.
+.
+.P
+The calculations and output fields emulate those from iostat(1m)
+as closely as possible\.  When only one zone is actively performing
+disk I/O, the results from iostat(1m) in the global zone and
+vfsstat in the local zone should be almost identical\.  Note that
+many VFS read operations may be handled by the filesystem cache,
+so vfsstat and iostat(1m) will be similar only when most
+operations require a disk access\.
+.
+.P
+As with iostat(1m), a result of 100% for VFS read and write
+utilization does not mean that the VFS layer is fully saturated\.
+Instead, that measurement just shows that at least one operation
+was pending over the last interval of time examined\.  Since the
+VFS layer can process more than one operation concurrently, this
+measurement will frequently be 100% but the VFS layer can still
+accept additional requests\.
+.
+.SH "OUTPUT"
+The vfsstat utility reports the following information:
+.
+.IP "" 4
+.
+.nf
+r/s
+.RS
+reads per second
+.RE
+
+w/s
+.RS
+writes per second
+.RE
+
+kr/s
+.RS
+kilobytes read per second
+.RE
+
+kw/s
+.RS
+kilobytes written per second
+.RE
+
+ractv
+.RS
+average number of read operations actively being serviced by the VFS layer
+.RE
+
+wactv
+.RS
+average number of write operations actively being serviced by the VFS layer
+.RE
+
+read_t
+.RS
+average VFS read latency, in microseconds
+.RE
+
+writ_t
+.RS
+average VFS write latency, in microseconds
+.RE
+
+%r
+.RS
+percent of time there is a VFS read operation pending
+.RE
+
+%w
+.RS
+percent of time there is a VFS write operation pending
+.RE
+
+d/s
+.RS
+VFS operations per second delayed by the ZFS I/O throttle
+.RE
+
+del_t
+.RS
+average ZFS I/O throttle delay, in microseconds
+.RE
+.
+.fi
+.
+.IP "" 0
+.
+.SH "OPTIONS"
+The following options are supported:
+.
+.P
+\-h
+.RS
+Show help message and exit
+.RE
+.
+.P
+\-I
+.RS
+Print results per interval, rather than per second (where applicable)
+.RE
+.
+.P
+\-M
+.RS
+Print results in MB/s instead of KB/s
+.RE
+.
+.P
+\-r
+.RS
+Show results in a comma\-separated format
+.RE
+.
+.P
+\-z
+.RS
+Hide zones with no VFS activity
+.RE
+.
+.P
+\-Z
+.RS
+Print results for all zones, not just the current zone
+.RE
+.
+.SH "OPERANDS"
+interval
+.
+.P
+Specifies the length in seconds to pause between each interval
+report\.  If not specified, vfsstat will print a summary since boot
+and exit\.
+.
+.P
+count
+.
+.P
+Specifies the number of intervals to report\.  Defaults to
+unlimited if not specified\.
+.
+.SH "SEE ALSO"
+.
+.nf
+iostat(1m), ziostat(1m), mpstat(1m)
+.
+.fi
+.
+.SH "NOTES"
+This command does not examine readdir or any other VFS operations,
+only read and write operations\.
+.
+.P
+This command does not look at network I/O, only I/O operations to
+or from a file\.
+.
+.P
+The output format from vfsstat may change over time; use the
+comma\-separated output for a stable output format\.
diff --git a/usr/src/man/man1m/vndadm.1m b/usr/src/man/man1m/vndadm.1m
new file mode 100644
index 0000000000..253518a88a
--- /dev/null
+++ b/usr/src/man/man1m/vndadm.1m
@@ -0,0 +1,651 @@
+'\" te
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+.\"
+.TH VNDADM 1M "Mar 06, 2014"
+.SH NAME
+vndadm \- administer vnd devices
+
+.SH SYNOPSIS
+
+.nf
+vndadm create [-z zonename] [-l datalink] device
+vndadm destroy [-z zonename] device...
+vndadm list [-p] [-d delim] [-o field,...] [-z zonename] [device]...
+vndadm get [-p] [-d delim] [-z zonename] device [prop]...
+vndadm set [-z zonename] device prop=val...
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+The vndadm command is used to administer vnd devices. A vnd device is
+similar to an IP network interface, except that the vnd device operates
+at layer two. A vnd device is created over a data link (see dladm(1M))
+and its address is that of the underlying data link. For ethernet based
+devices, that address would be the MAC address of the data link. vnd
+devices are character devices which may be used to send and receive
+layer two packets. When reading or writing to a vnd device, the full
+frame must be present. This is useful for working with virtual machines,
+or other environments where you need to manipulate the entire layer two
+frame.
+
+.sp
+.LP
+Every command takes a device as an argument. To specify a vnd device,
+you just use the name of the device. Devices are scoped to zones. If no
+zone is specified, the current zone is assumed. A device name can be any
+series of alphanumeric ascii characters which typically match the name
+of the underlying data link. A given vnd device name must be unique in a
+given zone, but the same name can be used across zones.
+.sp
+.SH OPTIONS
+.sp
+.LP
+All vndadm subcommands have the following common option:
+.sp
+.ne 2
+.na
+-z zonename
+.ad
+.sp .6
+.RS 4n
+Operate in the context of the specified zone. When creating a vnd
+device, the named device is created in the specified zone. All other
+operations scope the device lookup to the specified zone. If the user is
+not in the global zone, the use of -z will not work.
+
+.sp
+.LP
+When -z is used and multiple devices are specified, then
+the use of -z applies to all of the devices.
+.RE
+
+.SH SUBCOMMANDS
+.sp
+.ne 2
+.na
+vndadm create [-z zonename] [-l datalink] device
+.ad
+.sp
+.RS 4n
+Creates a vnd device with the specified name device. If -l datalink is
+not specified, it is assumed that the data link and the device share the
+same name. The created device will exist for as long as the zone exists
+or until a call to vndadm destroy. vnd devices do not persist across
+system reboots. Note, if an IP interface or another libdlpi(3LIB)
+consumer is already using the data link, then vnd will fail.
+
+.sp
+The maximum length of the name of device is 31 characters. The allowed
+set of characters is alphanumberic characters, ':', \'-', and \'_'. The
+names 'zone' and 'ctl' are reserved and may not be used.
+
+.sp
+.ne 2
+.na
+-l datalink
+.ad
+.sp .6
+.RS 4n
+Specifies the name of the data link to create the device over. This
+allows the vnd device name to be different from the data link's name.
+.RE
+.sp
+.ne 2
+.na
+-z zonename
+.ad
+.sp .6
+.RS 4n
+See OPTIONS above.
+.RE
+
+.RE
+
+.sp
+.ne 2
+.na
+vndadm destroy [-z zonename] device...
+.ad
+.sp
+.RS 4n
+Destroys the specified device. The destruction is analogous to
+unlink(2). If the device is still open and used by applications, the
+device will continue to exist, but it will no longer be accessible by
+the name device.
+.sp
+.ne 2
+.na
+-z zonename
+.ad
+.sp .6
+.RS 4n
+See OPTIONS above.
+.RE
+.RE
+
+.sp
+.ne 2
+.na
+vndadm list [-p] [-d delim] [-o field,...] [-z zonename] [device]...
+.ad
+.sp
+.RS 4n
+Lists active vnd devices. By default, vnadm list lists all devices in
+every zone that the caller is allowed to see; the current zone if in the
+non-global zone, and all zones in the global zone. If device is
+specified one or more times, then output will be limited to the
+specified devices.
+.sp
+.ne 2
+.na
+-o field[,...]
+.ad
+.sp .6
+.RS 4n
+A case-insensitive, comma-separated list of output fields. When -o is
+not used, all of the fields listed below are shown. The field name must
+be one of the following fields:
+
+.sp
+.ne 2
+.na
+NAME
+.ad
+.sp .6
+.RS 4n
+The name of the vnd device.
+.RE
+
+.sp
+.ne 2
+.na
+DATALINK
+.ad
+.sp .6
+.RS 4n
+The name of the data link the vnd device was created over.
+.RE
+
+.sp
+.ne 2
+.na
+ZONENAME
+.ad
+.sp .6
+.RS 4n
+The name of the zone that the vnd device exists in.
+.RE
+.RE
+
+.sp
+.ne 2
+.na
+-p
+.ad
+.sp .6
+.RS 4n
+Display the output in a stable machine parseable format. The -o option
+is required with the -p option. See "Parseable Output Format" below.
+.RE
+
+.sp
+.ne 2
+.na
+-d delim
+.ad
+.sp .6
+.RS 4n
+Change the delimiter used in conjunction with generating parseable
+output. This option may only be specified when -p is also specified.
+.RE
+
+.sp
+.ne 2
+.na
+-z zonename
+.ad
+.sp .6
+.RS 4n
+See OPTIONS above.
+.RE
+
+.RE
+
+
+.sp
+.ne 2
+.na
+vndadm get [-p] [-d delim] [-z zonename] device [prop]...
+.ad
+.sp
+.RS 4n
+Displays the properties for the specified device. By default, all
+properties of a given device are displayed. If prop is specified one or
+more times, then only the specified properties will be displayed for
+device. For a list of properties, see the section "Properties" below.
+The property output consists of the following four columns:
+.sp
+.ne 2
+.na
+LINK
+.ad
+.sp .6
+.RS 4n
+The name of the device
+.RE
+
+.sp
+.ne 2
+.na
+PROPERTY
+.ad
+.sp .6
+.RS 4n
+The name of the property. Note that some properties that are private to
+the implementation may be displayed. Those properties begin with a
+leading underscore.
+.RE
+
+.sp
+.ne 2
+.na
+PERM
+.ad
+.sp .6
+.RS 4n
+Describes whether the property is read-only or
+if it is read-write. This field does not
+indicate if the current user has permission, but
+lists permissions for a privileged user.
+.RE
+
+.sp
+.ne 2
+.na
+VALUE
+.ad
+.sp .6
+.RS 4n
+The value of the property.
+.RE
+
+.sp
+.ne 2
+.na
+-p
+.ad
+.sp .6
+.RS 4n
+Display the output in a stable machine parseable format.  See "Parseable
+Output Format" below.
+.RE
+
+.sp
+.ne 2
+.na
+-d delim
+.ad
+.sp .6
+.RS 4n
+Change the delimiter used in conjunction with generating parseable
+output. This option may only be specified when -p is also specified.
+.RE
+
+.sp
+.ne 2
+.na
+-z zonename
+.ad
+.sp .6
+.RS 4n
+See OPTIONS above.
+.RE
+.RE
+
+.sp
+.ne 2
+.na
+vndadm set [-z zonename] device prop=val...
+.ad
+.sp
+.RS 4n
+Sets properties on the named device. Setting a property takes effect for
+all operations on the device, after the program returns. Multiple
+properties can be set at once; however, properties are applied one at a
+time to the device.  Property names and values must be separated with an
+equals sign.  Additional property and value pairs should be separated by
+white space.  For a list of properties, see the section "Properties"
+below.
+
+.sp
+.ne 2
+.na
+-z zonename
+.ad
+.sp .6
+.RS 4n
+See OPTIONS above.
+.RE
+.RE
+
+.SS Parseable Output Format
+.sp
+.LP
+The default output for parseable data is to be separated with a single
+ascii space character. The delimiter may be changed with the -d
+option. When parseable output is requested, no numbers that represent
+sizes will be displayed in human readable form, they will be fully
+expanded. eg. the number 42K will instead be 43008.
+
+.SS Properties
+.sp
+.LP
+The following are supported and stable properties. Note that any
+properties that starts with a leading underscore are not a stable
+property and may be removed at any time.
+
+.sp
+.ne 2
+.na
+rxbuf
+.ad
+.sp .6
+.RS 4n
+A read/write property that controls the size of the receive buffer for
+the device. All received data enters the receive buffer until a consumer
+consumes it. If adding a received frame would exceed the size of the
+receive buffer, then that frame will be dropped. The maximum size of the
+buffer is limited by the 'maxsize' property. The minimum size of the
+buffer is the value of the 'maxtu' property. The property's value may be
+anything between that maximum and minimum. When setting this property,
+standard size suffixes such as 'K' and 'M' may be used.
+.RE
+
+.sp
+.ne 2
+.na
+txbuf
+.ad
+.sp .6
+.RS 4n
+A read/write property that controls the size of the transmit buffer. All
+in-flight transmitted data must be able to fit into the transmit buffer
+to account for potential flow control events. If there is not enough
+space in the transmit buffer, transmit related I/O operations will
+either block or fail based on whether the file has been put into
+non-blocking mode by setting O_NONBLOCK or O_NDELAY with fcntl(2). The
+maximum size of the buffer is limited by the 'maxsize' property. The
+minimum size of the buffer is the value of the 'maxtu' property. The
+property's value may be anything between that maximum and minimum. When
+setting this property, standard size suffixes such as 'K' and 'M' may be
+used.
+
+.RE
+
+.sp
+.ne 2
+.na
+maxsize
+.ad
+.sp .6
+.RS 4n
+A read-only property that describes the maximum size of buffers in the
+system. Properties such as rxbuf and txbuf cannot be set beyond this.
+.RE
+
+.sp
+.ne 2
+.na
+mintu
+.ad
+.sp .6
+.RS 4n
+A read-only property that describes the minimum size of a frame
+transmitted to the underlying data link. Note that the minimum listed
+here may be less than the size of a valid layer two frame and therefore
+may be dropped. A frame smaller than this value will be rejected by vnd.
+.RE
+
+.sp
+.ne 2
+.na
+maxtu
+.ad
+.sp .6
+.RS 4n
+A read-only property that describes the maximum size of a frame
+transmitted to the underlying data link. A frame larger than this value
+will be rejected by vnd.
+.RE
+
+.SH EXAMPLES
+.LP
+Example 1 Creating a vnd device
+.sp
+.LP
+To create a vnd device over the VNIC named net0, enter the following
+command:
+
+.sp
+.in +2
+.nf
+# vndadm create net0
+.fi
+.in -2
+.sp
+
+.LP
+Example 2 Creating a vnd device in another zone
+.sp
+.LP
+
+To create a vnd device over the VNIC named net1 in the zone
+1b7155a4-aef9-e7f0-d33c-9705e4b8b525, enter the following command:
+
+.sp
+.in +2
+.nf
+# vndadm create -z 1b7155a4-aef9-e7f0-d33c-9705e4b8b525 net1
+.fi
+.in -2
+.sp
+
+.LP
+Example 3 Destroying a vnd device
+.sp
+.LP
+
+To destroy the vnd device named net0, enter the following command:
+
+.sp
+.in +2
+.nf
+# vndadm destroy net0
+.fi
+.in -2
+.sp
+
+.LP
+Example 4 Destroying a vnd device in another zone
+.sp
+.LP
+
+To destroy the vnd device named net1 in the zone
+1b7155a4-aef9-e7f0-d33c-9705e4b8b525, enter the following command:
+
+.sp
+.in +2
+.nf
+# vndadm destroy -z 1b7155a4-aef9-e7f0-d33c-9705e4b8b525 net1
+.fi
+.in -2
+.sp
+
+.LP
+Example 5 List all vnd devices
+.sp
+.LP
+
+To list all devices, run the following command:
+
+.sp
+.in +2
+.nf
+# vndadm list
+NAME             DATALINK         ZONENAME
+net0             net0             global                           
+net0             net0             1b7155a4-aef9-e7f0-d33c-9705e4b8b525 
+.fi
+.in -2
+.sp
+
+.LP
+Example 6 Listing devices in a specific zone
+.sp
+.LP
+
+To list devices in a specific zone, run the following command:
+
+.sp
+.in +2
+.nf
+# vndadm list -z 1b7155a4-aef9-e7f0-d33c-9705e4b8b525
+
+NAME             DATALINK         ZONENAME
+net0             net0             1b7155a4-aef9-e7f0-d33c-9705e4b8b525 
+.fi
+.in -2
+.sp
+
+.LP
+Example 7 List all devices in a parseable format
+.sp
+.LP
+
+To list all devices in a parseable format with the delimiter of ':', run
+the following command:
+
+.sp
+.in +2
+.nf
+# vndadm list -p -d: -o name,datalink,zone
+net0:net0:global
+net0:net0:1b7155a4-aef9-e7f0-d33c-9705e4b8b525
+.fi
+.in -2
+.sp
+
+.LP
+Example 8 Retrieving all properties for a device
+.sp
+.LP
+
+To retrieve all of the properties for the vnd device foo0, run the
+following command:
+
+.sp
+.in +2
+.nf
+# vndadm get foo0
+LINK          PROPERTY         PERM  VALUE
+foo0          rxbuf            rw    65536
+foo0          txbuf            rw    65536
+foo0          maxsize          r-    4194304
+foo0          mintu            r-    0
+foo0          maxtu            r-    1518
+foo0          _nflush          rw    10
+foo0          _burstsz         rw    10
+.fi
+.in -2
+.sp
+
+.LP
+Example 9 Retrieving specific properties for a device
+.sp
+.LP
+
+To retrieve just the rxbuf and txbuf properties for the vnd device foo0,
+run the following command:
+
+.sp
+.in +2
+.nf
+# vndadm get foo0 rxbuf txbuf
+LINK          PROPERTY         PERM  VALUE
+foo0          rxbuf            rw    65536
+foo0          txbuf            rw    65536
+.fi
+.in -2
+.sp
+
+.LP
+Example 10 Retrieving properties for a device in a parseable format
+.sp
+.LP
+
+To retrieve all properties for the vnd device foo0 in a parseable
+format, run the following command:
+
+.sp
+.in +2
+.nf
+# vndadm get -p foo0
+foo0 rxbuf rw 65536
+foo0 txbuf rw 65536
+foo0 maxsize r- 4194304
+foo0 mintu r- 0
+foo0 maxtu r- 1518
+foo0 _nflush rw 10
+foo0 _burstsz rw 10
+.fi
+.in -2
+.sp
+
+.LP
+Example 11 Setting a property on a device
+.sp
+.LP
+
+To set the receive buffer size to one megabyte on the device foo0, run
+the following command:
+
+.sp
+.in +2
+.nf
+# vndadm set foo0 rxbuf=1M
+.fi
+.in -2
+.sp
+
+.LP
+Example 12 Setting multiple properties on a device
+.sp
+.LP
+
+To set the transmit buffer to 300 Kb and the receive buffer to 1 Mb, run
+the following command:
+
+.sp
+.in +2
+.nf
+# vndadm set foo0 rxbuf=300K txbuf=1M
+.fi
+.in -2
+.sp
+
+.SH SEE ALSO
+
+dladm(1M), ipadm(1M), fcntl(2), fcntl.h(3HEAD), libvnd(3LIB),
+vndstat(1M), vnd(7D)
diff --git a/usr/src/man/man1m/vndstat.1m b/usr/src/man/man1m/vndstat.1m
new file mode 100644
index 0000000000..a7f843e228
--- /dev/null
+++ b/usr/src/man/man1m/vndstat.1m
@@ -0,0 +1,163 @@
+'\" te
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+.\"
+.TH VNDSTAT 1M "Mar 06, 2014"
+.SH NAME
+vndstat \- report vnd activity
+
+.SH SYNOPSIS
+
+vndstat [interval [count]]
+
+.SH DESCRIPTION
+.sp
+.LP
+The vndstat command reports a summary of per-device vnd
+activity. Once per interval it prints a table of statistics per
+device. In the global zone, vndstat reports on all devices in the
+system. From the non-global zone, it only reports on devices that are
+present in that zone. vndstat reports on all vnd devices
+that exist, including anonymous devices which are not linked into the
+file system.
+.sp
+.LP
+The vndstat command's output includes the following information:
+.sp
+.ne 2
+.na
+.B name
+.ad
+.RS 14n
+The name of the device, if bound. If a given vnd device is not
+bound into the file system, hence considered anonymous, then there will
+be no name for the device.
+.RE
+
+.sp
+.ne 2
+.na
+.B rx B/s
+.ad
+.RS 14n
+The number of bytes received by the device during interval.
+.RE
+
+.sp
+.ne 2
+.na
+.B tx B/s
+.ad
+.RS 14n
+The number of bytes transmitted by the device during interval.
+.RE
+
+.sp
+.ne 2
+.na
+.B drops
+.ad
+.RS 14n
+The number of packets and messages which have been dropped. This
+includes all drops due to insufficient buffer space, IP hooks, and
+unknown or malformed DLPI messages.
+.RE
+
+.sp
+.ne 2
+.na
+.B txfc
+.ad
+.RS 14n
+The number of flow control events that have occurred. A flow control
+event occurs when the layers below vnd request that all transmits
+be paused until a future call resumes the flow. This statistic is
+incremented when the flow is resumed. It is not incremented when it is
+first paused.
+.RE
+
+.sp
+.ne 2
+.na
+.B zone
+.ad
+.RS 14n
+The name of the zone the device is located in.
+.RE
+
+.SH OPTIONS
+
+.sp
+.ne 2
+.na
+interval
+.ad
+.RS 13n
+Report once each interval seconds. interval may not be
+fractional.
+.RE
+
+.sp
+.ne 2
+.na
+count
+.ad
+.RS 13n
+Only print count reports, then exit.
+.RE
+.sp
+.LP
+When no arguments are given to vndstat, it will always print at an
+interval of one second. Reports will continue until vndstat
+is terminated.
+
+.SH EXAMPLES
+.LP
+Example 1 Print five seconds of data
+
+.sp
+.in +2
+.nf
+example% vndstat 1 5
+  name |   rx B/s |   tx B/s | drops txfc | zone
+  net0 | 1.45MB/s | 14.1KB/s |     0    0 | 1b7155a4-aef9-e7f0-d33c-9705e4b8b525
+  net0 | 3.50MB/s | 19.5KB/s |     0    0 | 1b7155a4-aef9-e7f0-d33c-9705e4b8b525
+  net0 | 2.83MB/s | 30.8KB/s |     0    0 | 1b7155a4-aef9-e7f0-d33c-9705e4b8b525
+  net0 | 3.08MB/s | 30.6KB/s |     0    0 | 1b7155a4-aef9-e7f0-d33c-9705e4b8b525
+  net0 | 3.21MB/s | 30.6KB/s |     0    0 | 1b7155a4-aef9-e7f0-d33c-9705e4b8b525
+.fi
+.in -2
+.sp
+
+.SH ATTRIBUTES
+.sp
+.LP
+See attributes(5) for descriptions of the following attributes:
+.sp
+
+.sp
+.TS
+box;
+c | c
+l | l .
+ATTRIBUTE TYPE	ATTRIBUTE VALUE
+_
+Interface Stability	See below.
+.TE
+
+.sp
+.LP
+Invocation is evolving. Human readable output is unstable.
+.SH SEE ALSO
+
+dlstat(1M), nicstat(1M), vndadm(1M), vnd(7M)
diff --git a/usr/src/man/man1m/zfs.1m b/usr/src/man/man1m/zfs.1m
index 752074bd4f..3347291fc5 100644
--- a/usr/src/man/man1m/zfs.1m
+++ b/usr/src/man/man1m/zfs.1m
@@ -24,7 +24,7 @@
 .\" Copyright 2011 Joshua M. Clulow <josh@sysmgr.org>
 .\" Copyright (c) 2011, 2014 by Delphix. All rights reserved.
 .\" Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
-.\" Copyright (c) 2014, Joyent, Inc. All rights reserved.
+.\" Copyright (c) 2015, Joyent, Inc. All rights reserved.
 .\" Copyright (c) 2014 by Adam Stevko. All rights reserved.
 .\" Copyright 2014 Nexenta Systems, Inc.  All Rights Reserved.
 .\"
@@ -112,7 +112,7 @@ zfs \- configures ZFS file systems
 
 .LP
 .nf
-\fBzfs\fR \fBget\fR [\fB-r\fR|\fB-d\fR \fIdepth\fR][\fB-Hp\fR][\fB-o\fR \fIfield\fR[,\fIfield\fR]...] [\fB-t\fR \fItype\fR[,\fItype\fR]...]
+\fBzfs\fR \fBget\fR [\fB-r\fR|\fB-d\fR \fIdepth\fR][\fB-Hpc\fR][\fB-o\fR \fIfield\fR[,\fIfield\fR]...] [\fB-t\fR \fItype\fR[,\fItype\fR]...] 
     [\fB-s\fR \fIsource\fR[,\fIsource\fR]...] \fBall\fR | \fIproperty\fR[,\fIproperty\fR]...
     \fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR...
 .fi
@@ -2392,6 +2392,16 @@ A comma-separated list of types to display, where \fItype\fR is one of
 For example, specifying \fB-t snapshot\fR displays only snapshots.
 .RE
 
+.sp
+.ne 2
+.na
+\fB\fB-p\fR\fR
+.ad
+.sp .6
+.RS 4n
+Display numbers in parseable (exact) values.
+.RE
+
 .RE
 
 .sp
@@ -2415,7 +2425,7 @@ information, see the "User Properties" section.
 .sp
 .ne 2
 .na
-\fB\fBzfs get\fR [\fB-r\fR|\fB-d\fR \fIdepth\fR] [\fB-Hp\fR] [\fB-o\fR
+\fB\fBzfs get\fR [\fB-r\fR|\fB-d\fR \fIdepth\fR] [\fB-Hpc\fR] [\fB-o\fR
 \fIfield\fR[,\fIfield\fR]... [\fB-t\fR \fItype\fR[,\fItype\fR]...] [\fB-s\fR \fIsource\fR[,\fIsource\fR]... \fBall\fR |
 \fIproperty\fR[,\fIproperty\fR]... \fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR...\fR
 .ad
@@ -2510,6 +2520,19 @@ default value is all sources.
 Display numbers in parsable (exact) values.
 .RE
 
+.sp
+.ne 2
+.na
+\fB\fB-c\fR\fR
+.ad
+.sp .6
+.RS 4n
+Only display properties which can be retrieved without issuing any I/O requests,
+i.e. properties which are already cached.  Most properties are cached except for
+create-time properties (normalization, utf8only, casesensitivity) as well as a
+volume's size and block size.
+.RE
+
 .RE
 
 .sp
@@ -2948,7 +2971,7 @@ See \fBzpool-features\fR(5) for details on ZFS feature flags and the
 .sp
 .ne 2
 .na
-\fBzfs send\fR [\fB-DnPpRveL\fR] [\fB-\fR[\fBiI\fR] \fIsnapshot\fR] \fIsnapshot\fR
+\fBzfs send\fR [\fB-DnPpRrveL\fR] [\fB-\fR[\fBiI\fR] \fIsnapshot\fR] \fIsnapshot\fR
 .ad
 .sp .6
 .RS 4n
@@ -3024,6 +3047,18 @@ will be much better if the filesystem uses a dedup-capable checksum (eg.
 .sp
 .ne 2
 .na
+\fB\fB-r\fR\fR
+.ad
+.sp .6
+.RS 4n
+Recursively send all descendant snapshots.  This is similar to the \fB-R\fR
+flag, but information about deleted and renamed datasets is not included, and
+property information is only included if the \fB-p\fR flag is specified.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fB-L\fR\fR
 .ad
 .sp .6
@@ -3215,6 +3250,8 @@ specified one are created.  If the \fB-e\fR option is specified, then only the
 last element of the sent snapshot's file system name (i.e. the name of the
 source file system itself) is used as the target file system name.
 .sp
+The process requires the \fBPRIV_SYS_FS_IMPORT\fR privilege to receive.
+.sp
 .ne 2
 .na
 \fB\fB-d\fR\fR
diff --git a/usr/src/man/man1m/zoneadm.1m b/usr/src/man/man1m/zoneadm.1m
index 6006e53b65..f7aafb809c 100644
--- a/usr/src/man/man1m/zoneadm.1m
+++ b/usr/src/man/man1m/zoneadm.1m
@@ -1,6 +1,7 @@
 '\" te
 .\" Copyright 2014 Nexenta Systems, Inc. All rights reserved.
 .\" Copyright (c) 2009 Sun Microsystems, Inc. All Rights Reserved.
+.\" Copyright (c) 2011 Joyent, Inc. All Rights Reserved.
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
@@ -128,12 +129,14 @@ Use the following command to attach a zone:
 .sp
 .ne 2
 .na
-\fB\fBboot\fR [\fB--\fR \fIboot_options\fR]\fR
+\fB\fBboot\fR [\fB-X\fR] [\fB--\fR \fIboot_options\fR]\fR
 .ad
 .sp .6
 .RS 4n
 Boot (or activate) the specified zones.
 .sp
+The \fI-X\fR option enables debug for the zone's brand while booting.
+.sp
 The following \fIboot_options\fR are supported:
 .sp
 .ne 2
@@ -248,12 +251,25 @@ The source zone must be halted before this subcommand can be used.
 .sp
 .ne 2
 .na
-\fB\fBhalt\fR\fR
+\fB\fBhalt [\fB-X\fR]\fR\fR
 .ad
 .sp .6
 .RS 4n
 Halt the specified zones. \fBhalt\fR bypasses running the shutdown scripts
 inside the zone. It also removes run time resources of the zone.
+.sp
+The \fI-X\fR option enables debug for the zone's brand while halting.
+.sp
+Use:
+.sp
+.in +2
+.nf
+zlogin \fIzone\fR shutdown
+.fi
+.in -2
+.sp
+
+to cleanly shutdown the zone by running the shutdown scripts.
 .RE
 
 .sp
@@ -403,24 +419,28 @@ and normal restrictions for \fIzonepath\fR apply.
 .sp
 .ne 2
 .na
-\fB\fBready\fR\fR
+\fB\fBready [\fB-X\fR]\fR\fR
 .ad
 .sp .6
 .RS 4n
 Prepares a zone for running applications but does not start any user processes
 in the zone.
+.sp
+The \fI-X\fR option enables debug for the zone's brand while readying.
 .RE
 
 .sp
 .ne 2
 .na
-\fB\fBreboot\fR\ [\fB--\fR \fIboot_options\fR]]\fR
+\fB\fBreboot\fR\ [\fB-X\fR] [\fB--\fR \fIboot_options\fR]]\fR
 .ad
 .sp .6
 .RS 4n
 Restart the zones. This is equivalent to a \fBhalt\fR \fBboot\fR sequence. This
 subcommand fails if the specified zones are not active. See \fIboot\fR subcommand
 for the boot options.
+.sp
+The \fI-X\fR option enables debug for the zone's brand while rebooting.
 .RE
 
 .sp
diff --git a/usr/src/man/man1m/zonecfg.1m b/usr/src/man/man1m/zonecfg.1m
index f7a491ceee..c7d1ace8e5 100644
--- a/usr/src/man/man1m/zonecfg.1m
+++ b/usr/src/man/man1m/zonecfg.1m
@@ -10,17 +10,17 @@ zonecfg \- set up zone configuration
 .SH SYNOPSIS
 .LP
 .nf
-\fBzonecfg\fR \fB-z\fR \fIzonename\fR
+\fBzonecfg\fR {\fB-z\fR \fIzonename\fR | \fB-u\fR \fIuuid\fR}
 .fi
 
 .LP
 .nf
-\fBzonecfg\fR \fB-z\fR \fIzonename\fR \fIsubcommand\fR
+\fBzonecfg\fR {\fB-z\fR \fIzonename\fR | \fB-u\fR \fIuuid\fR} \fIsubcommand\fR
 .fi
 
 .LP
 .nf
-\fBzonecfg\fR \fB-z\fR \fIzonename\fR \fB-f\fR \fIcommand_file\fR
+\fBzonecfg\fR {\fB-z\fR \fIzonename\fR | \fB-u\fR \fIuuid\fR} \fB-f\fR \fIcommand_file\fR
 .fi
 
 .LP
@@ -43,7 +43,8 @@ The following synopsis of the \fBzonecfg\fR command is for interactive usage:
 .sp
 .in +2
 .nf
-zonecfg \fB-z\fR \fIzonename subcommand\fR
+{\fB-z\fR \fIzonename\fR | \fB-u\fR \fIuuid\fR}
+zonecfg {\fB-z\fR \fIzonename | \fB-u\fR \fIuuid} subcommand\fR
 .fi
 .in -2
 .sp
@@ -337,6 +338,16 @@ The following properties are supported:
 .sp
 .ne 2
 .na
+\fB(global)\fR
+.ad
+.sp .6
+.RS 4n
+\fBzfs-io-priority\fR
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fBfs\fR\fR
 .ad
 .sp .6
@@ -351,7 +362,7 @@ The following properties are supported:
 .ad
 .sp .6
 .RS 4n
-\fBaddress\fR, \fBphysical\fR, \fBdefrouter\fR
+\fBaddress\fR, \fBallowed-address\fR, \fBdefrouter\fR, \fBglobal-nic\fR, \fBmac-addr\fR, \fBphysical\fR, \fBproperty\fR, \fBvlan-id\fR
 .RE
 
 .sp
@@ -614,7 +625,17 @@ Values needed to determine how, where, and so forth to mount file systems. See
 .sp
 .ne 2
 .na
-\fB\fBnet\fR: address, physical, defrouter\fR
+\fB\fBinherit-pkg-dir\fR: dir\fR
+.ad
+.sp .6
+.RS 4n
+The directory path.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBnet\fR: address, allowed-address, defrouter, global-nic, mac-addr, physical, property, vlan-id\fR
 .ad
 .sp .6
 .RS 4n
@@ -653,6 +674,10 @@ zone. However, if the interface is not used by the global zone, it should be
 configured \fBdown\fR in the global zone, and the default router for the
 interface should be specified here.
 .sp
+The global-nic is used for exclusive stack zones which will use a VNIC on-demand.  When the zone boots, a VNIC named using the physical property will be created on the global NIC.  If provided, the mac-addr and vlan-id will be set on this VNIC.
+.sp
+The \fBproperty\fR setting is a resource which can be used to set arbitrary name/value pairs on the network.  These name/value pairs are made available to the zone's brand, which can use them as needed to set up the network interface.
+.sp
 For an exclusive-IP zone, the physical property must be set and the address and
 default router properties cannot be set.
 .RE
@@ -884,6 +909,16 @@ is not supported.
 .RE
 
 .sp
+.ne 2
+.na
+\fBglobal: \fBzfs-io-priority\fR\fR
+.ad
+.sp .6
+.RS 4n
+Specifies a priority for this zone's ZFS I/O. The priority is used by the ZFS I/O scheduler as in input to determine how to schedule I/O across zones. By default all zones have a priority of 1. The value can be increased for zones whose I/O is more critical. This property is the preferred way to set the \fBzone.zfs-io-priority\fR rctl.
+.RE
+
+.sp
 .LP
 The following table summarizes resources, property-names, and types:
 .sp
@@ -906,13 +941,22 @@ resource          property-name   type
 (global)          max-shm-ids     simple
 (global)          max-shm-memory  simple
 (global)          scheduling-class simple
+(global)          zfs-io-priority simple
 fs                dir             simple
                    special         simple
                    raw             simple
                    type            simple
                    options         list of simple
 net               address         simple
+                   allowed-address simple
+                   defrouter       simple
+                   global-nic      simple
+                   mac-addr        simple
                    physical        simple
+                   property        list of complex
+                    name            simple
+                    value           simple
+                   vlan-id         simple
 device            match           simple
 rctl              name            simple
                    value           list of complex
@@ -1125,6 +1169,16 @@ name \fBglobal\fR and all names beginning with \fBSUNW\fR are reserved and
 cannot be used.
 .RE
 
+.sp
+.ne 2
+.na
+\fB\fB-u\fR \fIuuid\fR\fR
+.ad
+.sp .6
+.RS 4n
+Specify the uuid of a zone instead of the Zone name.
+.RE
+
 .SH SUBCOMMANDS
 .sp
 .LP
@@ -1215,8 +1269,7 @@ correct to be committed, this operation automatically does a verify.
 .sp
 .ne 2
 .na
-\fB\fBcreate [\fR\fB-F\fR\fB] [\fR \fB-a\fR \fIpath\fR |\fB-b\fR \fB|\fR
-\fB-t\fR \fItemplate\fR\fB]\fR\fR
+\fB\fBcreate [\fR\fB-F\fR\fB] [\fR \fB-a\fR \fIpath\fR |\fB-b\fR \fB|\fR \fB-t\fR \fItemplate\fR\fB] [\fR\fB-X\fR\fB]\fR\fR
 .ad
 .sp .6
 .RS 4n
@@ -1238,6 +1291,8 @@ configured, it should be installed using the "\fBzoneadm attach\fR" command
 .sp
 Use the \fB-b\fR option to create a blank configuration. Without arguments,
 \fBcreate\fR applies the Sun default settings.
+.sp
+Use the \fB-X\fR option to facilitate creating a zone whose XML definition already exists on the host. The zone will be atomically added to the zone index file.
 .RE
 
 .sp
@@ -1314,18 +1369,21 @@ which is currently being added or modified.
 .sp
 .ne 2
 .na
-\fB\fBremove\fR \fIresource-type\fR\fB{\fR\fIproperty-name\fR\fB=\fR\fIproperty
--value\fR\fB}\fR(global scope)\fR
+\fB\fBremove\fR [\fR\fB-F\fR\fB] \fIresource-type\fR\fB [\fR\fIproperty-name\fR\fB=\fR\fIproperty-value\fR\fB]* \fR(global scope)\fR
+.br
+\fB\fBremove\fR \fR\fIproperty-name\fR\fB \fR\fIproperty-value\fR\fB \fR(resource scope)\fR
 .ad
 .sp .6
 .RS 4n
 In the global scope, removes the specified resource. The \fB[]\fR syntax means
-0 or more of whatever is inside the square braces. If you want only to remove a
+0 or more property name-value pairs. If you want to only remove a
 single instance of the resource, you must specify enough property name-value
 pairs for the resource to be uniquely identified. If no property name-value
 pairs are specified, all instances will be removed. If there is more than one
-pair is specified, a confirmation is required, unless you use the \fB-F\fR
-option.
+pair specified, a confirmation is required, unless you use the \fB-F\fR
+option. Likewise, the \fB-F\fR option can be used to remove a resource that
+does not exist (that is, no error will occur). In the resource scope, remove
+the specified name-value pair.
 .RE
 
 .sp
diff --git a/usr/src/man/man1m/zpool.1m b/usr/src/man/man1m/zpool.1m
index fbfd393579..e14a72b7e3 100644
--- a/usr/src/man/man1m/zpool.1m
+++ b/usr/src/man/man1m/zpool.1m
@@ -1,5 +1,6 @@
 '\" te
 .\" Copyright (c) 2007, Sun Microsystems, Inc. All Rights Reserved.
+.\" Copyright (c) 2013, Joyent, Inc. All Rights Reserved.
 .\" Copyright 2011, Nexenta Systems, Inc. All Rights Reserved.
 .\" Copyright (c) 2013 by Delphix. All rights reserved.
 .\" The contents of this file are subject to the terms of the Common Development
@@ -1608,7 +1609,7 @@ the pool, in addition to the pool-wide statistics.
 .sp
 .ne 2
 .na
-\fB\fBzpool list\fR [\fB-T\fR \fBu\fR | \fBd\fR] [\fB-Hv\fR] [\fB-o\fR \fIprops\fR[,...]] [\fIpool\fR] ...
+\fB\fBzpool list\fR [\fB-T\fR \fBu\fR | \fBd\fR] [\fB-Hvp\fR] [\fB-o\fR \fIprops\fR[,...]] [\fIpool\fR] ...
 [\fIinterval\fR[\fIcount\fR]]\fR
 .ad
 .sp .6
@@ -1670,6 +1671,15 @@ Verbose statistics.  Reports usage statistics for individual \fIvdevs\fR within
 the pool, in addition to the pool-wise statistics.
 .RE
 
+.sp
+.ne 2
+.na
+\fB\fB-p\fR\fR
+.ad
+.RS 12n
+Display numbers in parseable (exact) values.
+.RE
+
 .RE
 
 .sp
diff --git a/usr/src/man/man2/fcntl.2 b/usr/src/man/man2/fcntl.2
index c7d769f874..2e9685d0a6 100644
--- a/usr/src/man/man2/fcntl.2
+++ b/usr/src/man/man2/fcntl.2
@@ -1,4 +1,5 @@
 '\" te
+.\" Copyright 2015 Joyent, Inc.
 .\" Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
 .\" Copyright (c) 2007, Sun Microsystems, Inc.  All Rights Reserved.
 .\" Copyright 1989 AT&T
@@ -10,7 +11,7 @@
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH FCNTL 2 "Apr 19, 2013"
+.TH FCNTL 2 "Feb 16, 2015"
 .SH NAME
 fcntl \- file control
 .SH SYNOPSIS
@@ -227,20 +228,25 @@ results are unspecified.
 
 .sp
 .LP
-The following commands are available for advisory record locking. Record
-locking is supported for regular files, and may be supported for other files.
+The following commands are available for POSIX advisory or mandatory record
+locking. POSIX record locking is supported for regular files, and may be
+supported for other files. See the FILE LOCKING section of this manual page for
+information about the types of file locks available and their interaction.
 .sp
 .ne 2
 .na
 \fB\fBF_GETLK\fR\fR
 .ad
 .RS 14n
-Get the first lock which blocks the lock description pointed to by the third
-argument, \fIarg\fR, taken as a pointer to type \fBstruct flock\fR, defined in
-<\fBfcntl.h\fR>. The information retrieved overwrites the information passed to
-\fBfcntl()\fR in the structure \fBflock\fR. If no lock is found that would
-prevent this lock from being created, then the structure will be left unchanged
-except for the lock type which will be set to \fBF_UNLCK\fR.
+Get the first lock which blocks the POSIX lock description pointed to by the
+third argument, \fIarg\fR, taken as a pointer to type \fBstruct flock\fR,
+defined in <\fBfcntl.h\fR>. The information retrieved overwrites the
+information passed to \fBfcntl()\fR in the structure \fBflock\fR. If no lock is
+found that would prevent this lock from being created, then the structure will
+be left unchanged except for the lock type which will be set to \fBF_UNLCK\fR.
+If multiple locks exist that would prevent this lock from being created, which
+one is returned is unspecified. If the blocking lock is an OFD-style lock,
+\fB\(mi1\fR\& will be returned for the lock's pid value.
 .RE
 
 .sp
@@ -250,7 +256,7 @@ except for the lock type which will be set to \fBF_UNLCK\fR.
 .ad
 .RS 14n
 Equivalent to \fBF_GETLK\fR, but takes a \fBstruct flock64\fR argument rather
-than a \fBstruct flock\fR argument.
+than a \fBstruct flock\fR argument.  See \fBlf64\fR(5).
 .RE
 
 .sp
@@ -259,7 +265,7 @@ than a \fBstruct flock\fR argument.
 \fB\fBF_SETLK\fR\fR
 .ad
 .RS 14n
-Set or clear a file segment lock according to the lock description pointed to
+Set or clear a POSIX record lock according to the lock description pointed to
 by the third argument, \fIarg\fR, taken as a pointer to type \fBstruct
 flock\fR, defined in <\fBfcntl.h\fR>. \fBF_SETLK\fR is used to establish shared
 (or read) locks (\fBF_RDLCK\fR) or exclusive (or write) locks (\fBF_WRLCK\fR),
@@ -276,7 +282,7 @@ return value of \fB\(mi1\fR\&.
 .ad
 .RS 14n
 Equivalent to \fBF_SETLK\fR, but takes a \fBstruct flock64\fR argument rather
-than a \fBstruct flock\fR argument.
+than a \fBstruct flock\fR argument. See \fBlf64\fR(5).
 .RE
 
 .sp
@@ -300,22 +306,194 @@ set to \fBEINTR\fR, and the lock operation will not be done.
 .ad
 .RS 14n
 Equivalent to \fBF_SETLKW\fR, but takes a \fBstruct flock64\fR argument rather
-than a \fBstruct flock\fR argument.
+than a \fBstruct flock\fR argument. See \fBlf64\fR(5).
+.RE
+
+.sp
+.LP
+The following commands are available for OFD (open file description) advisory
+record locking. OFD record locking is supported for regular files, and may be
+supported for other files. See the FILE LOCKING section of this manual page for
+information about the types of file locks available and their interaction.
+OFD-style record locks are currently limited to spanning the entire file and
+these locks are currently not supported over remote file systems (e.g.
+\fBnfs\fR(4)) which use the Network Lock Manager.
+.sp
+.ne 2
+.na
+\fB\fBF_OFD_GETLK\fR\fR
+.ad
+.RS 14n
+Get the first lock which blocks the OFD lock description pointed to by the
+third argument, \fIarg\fR, taken as a pointer to type \fBstruct flock\fR,
+defined in <\fBfcntl.h\fR>. The information retrieved overwrites the
+information passed to \fBfcntl()\fR in the structure \fBflock\fR. If no lock is
+found that would prevent this lock from being created, then the structure will
+be left unchanged except for the lock type which will be set to \fBF_UNLCK\fR.
+If multiple locks exist that would prevent this lock from being created, which
+one is returned is unspecified. If the blocking lock is an OFD-style lock,
+\fB\(mi1\fR\& will be returned for the lock's pid value.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBF_OFD_GETLK64\fR\fR
+.ad
+.RS 14n
+Equivalent to \fBF_OFD_GETLK\fR, but takes a \fBstruct flock64\fR argument
+rather than a \fBstruct flock\fR argument. See \fBlf64\fR(5). This command
+exists solely to allow the use of OFD locks with the transitional 64-bit file
+interfaces.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBF_OFD_SETLK\fR\fR
+.ad
+.RS 14n
+Set or clear a OFD record lock according to the lock description pointed to
+by the third argument, \fIarg\fR, taken as a pointer to type \fBstruct
+flock\fR, defined in <\fBfcntl.h\fR>. \fBF_OFD_SETLK\fR is used to establish
+shared (or read) locks (\fBF_RDLCK\fR) or exclusive (or write) locks
+(\fBF_WRLCK\fR), as well as to remove either type of lock (\fBF_UNLCK\fR).
+\fBF_RDLCK\fR, \fBF_WRLCK\fR and \fBF_UNLCK\fR are defined in <\fBfcntl.h\fR>.
+If a shared or exclusive lock cannot be set, \fBfcntl()\fR will return
+immediately with a return value of \fB\(mi1\fR\&.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBF_OFD_SETLK64\fR\fR
+.ad
+.RS 14n
+Equivalent to \fBF_OFD_SETLK\fR, but takes a \fBstruct flock64\fR argument
+rather than a \fBstruct flock\fR argument. See \fBlf64\fR(5). This command
+exists solely to allow the use of OFD locks with the transitional 64-bit file
+interfaces.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBF_OFD_SETLKW\fR\fR
+.ad
+.RS 14n
+This command is the same as \fBF_OFD_SETLK\fR except that if a shared or
+exclusive lock is blocked by other locks, the process will wait until the
+request can be satisfied. If a signal that is to be caught is received while
+\fBfcntl()\fR is waiting for a region, \fBfcntl()\fR will be interrupted. Upon
+return from the process' signal handler, \fBfcntl()\fR will return \fB\(mi1\fR
+with \fBerrno\fR set to \fBEINTR\fR, and the lock operation will not be done.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBF_OFD_SETLKW64\fR\fR
+.ad
+.RS 14n
+Equivalent to \fBF_OFD_SETLKW\fR, but takes a \fBstruct flock64\fR argument
+rather than a \fBstruct flock\fR argument. See \fBlf64\fR(5).  This command
+exists solely to allow the use of OFD locks with the transitional 64-bit file
+interfaces.
+.RE
+
+.sp
+.LP
+The following values for \fIcmd\fR are used for file share reservations. A
+share reservation is placed on an entire file to allow cooperating processes to
+control access to the file.  See the SHARE RESERVATIONS section of this manual
+page below for additional information.
+.sp
+.ne 2
+.na
+\fB\fBF_SHARE\fR\fR
+.ad
+.RS 13n
+Sets a share reservation on a file with the specified access mode and
+designates which types of access to deny.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBF_UNSHARE\fR\fR
+.ad
+.RS 13n
+Remove an existing share reservation.
 .RE
 
+.SH FILE LOCKING
 .sp
 .LP
-When a shared lock is set on a segment of a file, other processes will be able
-to set shared locks on that segment or a portion of it. A shared lock prevents
-any other process from setting an exclusive lock on any portion of the
-protected area. A request for a shared lock will fail if the file descriptor
-was not opened with read access.
+Two types of file locks are supported: POSIX-style and OFD-style. OFD-style
+locks are associated with the open file description (not descriptor) instead
+of with a process. Either type is advisory by default, but POSIX-style locks
+can be mandatory if, and only if, mandatory locking has been enabled on the
+file being locked.  Each type of lock may be created through two different
+interfaces. POSIX-style locks are created via the \fBF_SETLK\fR,
+\fBF_SETLK64\fR, \fBF_SETLKW\fR, or \fBF_SETLKW64\fR commands to this system
+call or by use of the \fBlockf\fR(3C) routine. There is no difference between
+locks created via one mechanism or the other. Likewise, OFD-style locks are
+created via the \fBF_OFD_SETLK\fR, \fBF_OFD_SETLK64\fR, \fBF_OFD_SETLKW\fR, or
+\fBF_OFD_SETLKW64\fR commands to this system call or by use of the
+Linux/BSD-compatible \fBflock\fR(3C) routine. Note that this system call
+supports the creation of range-specified OFD-style file locks, while
+\fBflock\fR(3C) does not. However, the current implementation of OFD-style
+locking is limited to locking the entire file. This limitation might be
+removed in the future.
 .sp
 .LP
-An exclusive lock will prevent any other process from setting a shared lock or
-an exclusive lock on any portion of the protected area. A request for an
-exclusive lock will fail if the file descriptor was not opened with write
-access.
+The essential distinction between POSIX-style locks and OFD-style locks lie
+in how ownership of a lock is scoped. POSIX locks are scoped to a process. All
+POSIX locks associated with a file for a given process are removed when any
+file descriptor for that file is closed by that process or the process holding
+that file descriptor terminates. POSIX-style locks are not inherited by a child
+process created using \fBfork\fR(2). An OFD-style lock is scoped to the file
+description for a file, not the process or open file descriptor. Thus all file
+descriptors referring to the same description (i.e. those created via the
+\fBF_DUPFD\fR, \fBF_DUP2FD\fR, \fBF_DUPFD_CLOEXEC\fR, or \fBF_DUP2FD_CLOEXEC\fR
+commands to the \fBfcntl\fR(2) system call, or those created via the
+\fBdup\fR(2) system call, or those inherited by a child process created via
+\fBfork\fR(2)) reference the same lock, but a file descriptor obtained via a
+separate \fBopen\fR(2) call on the same file will reference a different lock.
+A lock is removed only on the last \fBclose\fR(2) of the description, or when
+the lock is explicitly unlocked.
+.sp
+.LP
+Locks of both styles are compatible. A file that has been locked with one
+style of lock will be regarded as locked when creation of a lock of either
+style is attempted, and information about the lock will be provided via
+any of the \fBF_GETLK\fR, \fBF_GETLK64\fR, \fBF_OFD_GETLK\fR, or
+\fBF_OFD_GETLK64\fR commands to this system call if that lock would conflict
+with an attempt to create the specified lock regardless of whether the
+specified lock is of the same style as the conflicting extant lock.
+Because ownership of OFD-style locks is scoped to the open description rather
+than the calling process, the \fBl_pid\fR field of a lock descriptor for any
+such lock will always be set to \fB\(mi1\fR\&.
+.sp
+.LP
+When a shared lock is set on a segment of a file, other callers (regardless
+of whether in the same or different process and of whether referenced via the
+same open file) will be able to set shared locks on that segment or a portion
+of it. A POSIX-style shared lock prevents any other process from setting an
+exclusive lock on any portion of the protected area. A OFD-style shared lock
+prevents any caller (even callers in the same process) from setting an
+exclusive lock on any portion of the protected area, unless the caller makes
+the request against a file descriptor referencing the same open file against
+which the shared lock was created, in which case the lock will be downgraded
+to a shared lock with respect to the specified region. A request for a shared
+lock of either style will fail if the file descriptor was not opened with
+read access.
+.sp
+.LP
+A POSIX-style exclusive lock will prevent any other process from setting a
+shared lock or an exclusive lock (of either style) on any portion of the
+protected area. A request for an exclusive lock will fail if the file
+descriptor was not opened with write access.
 .sp
 .LP
 The \fBflock\fR structure contains at least the following elements:
@@ -340,13 +518,17 @@ be measured from the start of the file, current position or end of the file,
 respectively. The value of \fBl_len\fR is the number of consecutive bytes to be
 locked. The value of \fBl_len\fR may be negative (where the definition of
 \fBoff_t\fR permits negative values of \fBl_len\fR). After a successful
-\fBF_GETLK\fR or \fBF_GETLK64\fR request, that is, one in which a lock was
-found, the value of \fBl_whence\fR will be \fBSEEK_SET\fR.
+\fBF_GETLK\fR, \fBF_GETLK64\fR, \fBF_OFD_GETLK\fR, or \fBF_OFD_GETLK64\fR
+request, that is, one in which a lock was found, the value of \fBl_whence\fR
+will be \fBSEEK_SET\fR.
 .sp
 .LP
 The \fBl_pid\fR and \fBl_sysid\fR fields are used only with \fBF_GETLK\fR or
 \fBF_GETLK64\fR to return the process \fBID\fR of the process holding a
-blocking lock and to indicate which system is running that process.
+POSIX-style blocking lock and to indicate which system is running that process,
+or \fB\(mi1\fR\& if it is an OFD-style lock. These fields must both be
+initialized to 0 prior to issuing a OFD-style locking command
+(\fBF_OFD_GETLK\fR or \fBF_OFD_GETLK64\fR).
 .sp
 .LP
 If \fBl_len\fR is positive, the area affected starts at \fBl_start\fR and ends
@@ -359,61 +541,48 @@ to the largest possible value of the file offset for that file by setting
 \fBl_whence\fR is set to \fBSEEK_SET\fR, the whole file will be locked.
 .sp
 .LP
-If a process has an existing lock in which \fBl_len\fR is 0 and which includes
-the last byte of the requested segment, and an unlock (\fBF_UNLCK\fR) request
-is made in which \fBl_len\fR is non-zero and the offset of the last byte of the
-requested segment is the maximum value for an object of type \fBoff_t\fR, then
-the \fBF_UNLCK\fR request will be treated as a request to unlock from the start
+If a lock exists for which \fBl_len\fR is 0 and which includes the last byte of
+the requested segment, and an unlock (\fBF_UNLCK\fR) request is made in which
+\fBl_len\fR is non-zero and the offset of the last byte of the requested
+segment is the maximum value for an object of type \fBoff_t\fR, then the
+\fBF_UNLCK\fR request will be treated as a request to unlock from the start
 of the requested segment with an \fBl_len\fR equal to 0. Otherwise, the request
 will attempt to unlock only the requested segment.
 .sp
 .LP
-There will be at most one type of lock set for each byte in the file. Before a
-successful return from an \fBF_SETLK\fR, \fBF_SETLK64\fR, \fBF_SETLKW\fR, or
-\fBF_SETLKW64\fR request when the calling process has previously existing locks
-on bytes in the region specified by the request, the previous lock type for
-each byte in the specified region will be replaced by the new lock type. As
-specified above under the descriptions of shared locks and exclusive locks, an
-\fBF_SETLK\fR, \fBF_SETLK64\fR, \fBF_SETLKW\fR, or \fBF_SETLKW64\fR request
-will (respectively) fail or block when another process has existing locks on
-bytes in the specified region and the type of any of those locks conflicts with
-the type specified in the request.
+There will be at most one type of lock set for each byte in the
+file. Before a successful return from an \fBF_SETLK\fR, \fBF_SETLK64\fR,
+\fBF_SETLKW\fR, or \fBF_SETLKW64\fR request when the calling process has
+previously existing POSIX-style locks on bytes in the region specified by the
+request, the previous POSIX-style lock type for each byte in the specified
+region will be replaced by the new lock type. As specified above under the
+descriptions of shared locks and exclusive locks, an \fBF_SETLK\fR,
+\fBF_SETLK64\fR, \fBF_SETLKW\fR, or \fBF_SETLKW64\fR request will
+(respectively) fail or block when locks exist on bytes in the specified region
+and the type of any of those locks conflicts with the type specified in the
+request.
 .sp
 .LP
-All locks associated with a file for a given process are removed when a file
-descriptor for that file is closed by that process or the process holding that
-file descriptor terminates. Locks are not inherited by a child process created
-using \fBfork\fR(2).
+Similarly, before a successful return from an \fBF_OFD_SETLK\fR,
+\fBF_OFD_SETLK64\fR, \fBF_OFD_SETLKW\fR, or \fBF_OFD_SETLKW64\fR request when
+previously-created OFD-style locks associated with the open file apply to
+bytes in the region specified by the request, the previous OFD-style lock type
+for each byte in the specified region will be replaced by the new lock type.
+As specified above under the descriptions of shared locks and exclusive locks,
+an \fBF_OFD_SETLK\fR, \fBF_OFD_SETLK64\fR, \fBF_OFD_SETLKW\fR, or
+\fBF_OFD_SETLKW64\fR request will (respectively) fail or block when locks exist
+on bytes in the specified region and the type of any of those locks conflicts
+with the type specified in the request.
 .sp
 .LP
 A potential for deadlock occurs if a process controlling a locked region is put
 to sleep by attempting to lock another process' locked region. If the system
 detects that sleeping until a locked region is unlocked would cause a deadlock,
-\fBfcntl()\fR will fail with an \fBEDEADLK\fR error.
-.sp
-.LP
-The following values for \fIcmd\fR are used for file share reservations. A
-share reservation is placed on an entire file to allow cooperating processes to
-control access to the file.
-.sp
-.ne 2
-.na
-\fB\fBF_SHARE\fR\fR
-.ad
-.RS 13n
-Sets a share reservation on a file with the specified access mode and
-designates which types of access to deny.
-.RE
-
-.sp
-.ne 2
-.na
-\fB\fBF_UNSHARE\fR\fR
-.ad
-.RS 13n
-Remove an existing share reservation.
-.RE
+\fBfcntl()\fR will fail with an \fBEDEADLK\fR error. This deadlock detection
+and error value apply only to POSIX-style locks.  No deadlock detection is
+performed when attempting to set an OFD-style lock.
 
+.SH SHARE RESERVATIONS
 .sp
 .LP
 File share reservations are an advisory form of access control among
@@ -608,6 +777,60 @@ The return value will not be negative.
 .sp
 .ne 2
 .na
+\fB\fBF_OFD_GETLK\fR\fR
+.ad
+.RS 14n
+Value other then \fB\(mi1\fR\&.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBF_OFD_GETLK64\fR\fR
+.ad
+.RS 14n
+Value other then \fB\(mi1\fR\&.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBF_OFD_SETLK\fR\fR
+.ad
+.RS 14n
+Value other then \fB\(mi1\fR\&.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBF_OFD_SETLK64\fR\fR
+.ad
+.RS 14n
+Value other then \fB\(mi1\fR\&.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBF_OFD_SETLKW\fR\fR
+.ad
+.RS 14n
+Value other then \fB\(mi1\fR\&.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBF_OFD_SETLKW64\fR\fR
+.ad
+.RS 14n
+Value other then \fB\(mi1\fR\&.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fBF_SETFD\fR\fR
 .ad
 .RS 14n
@@ -700,12 +923,13 @@ The \fBfcntl()\fR function will fail if:
 \fB\fBEAGAIN\fR\fR
 .ad
 .RS 13n
-The \fIcmd\fR argument is \fBF_SETLK\fR or \fBF_SETLK64\fR, the type of lock
-\fB(l_type)\fR is a shared (\fBF_RDLCK\fR) or exclusive (\fBF_WRLCK\fR) lock,
-and the segment of a file to be locked is already exclusive-locked by another
-process; or the type is an exclusive lock and some portion of the segment of a
-file to be locked is already shared-locked or exclusive-locked by another
-process.
+The \fIcmd\fR argument is \fBF_SETLK\fR, \fBF_SETLK64\fR, \fBF_OFD_SETLK\fR,
+or \fBF_OFD_SETLK64\fR, the type of lock \fB(l_type)\fR is a shared
+(\fBF_RDLCK\fR) or exclusive (\fBF_WRLCK\fR) lock, and the segment of a file
+to be locked is already exclusive-locked by another process or open file; or
+the type is an exclusive lock and some portion of the segment of a file to be
+locked is already shared-locked or exclusive-locked by another process or open
+file.
 .sp
 The \fIcmd\fR argument is \fBF_FREESP\fR, the file exists, mandatory
 file/record locking is set, and there are outstanding record locks on the file;
@@ -724,8 +948,9 @@ existing \fBf_deny\fR share reservation.
 .ad
 .RS 13n
 The \fIfildes\fR argument is not a valid open file descriptor; or the \fIcmd\fR
-argument is \fBF_SETLK\fR, \fBF_SETLK64\fR, \fBF_SETLKW\fR, or
-\fBF_SETLKW64\fR, the type of lock, \fBl_type\fR, is a shared lock
+argument is \fBF_SETLK\fR, \fBF_SETLK64\fR, \fBF_SETLKW\fR, \fBF_SETLKW64\fR,
+\fBF_OFD_SETLK\fR, \fBF_OFD_SETLK64\fR, \fBF_OFD_SETLKW\fR, or
+\fBF_OFD_SETLKW64\fR, the type of lock, \fBl_type\fR, is a shared lock
 (\fBF_RDLCK\fR), and \fIfildes\fR is not a valid file descriptor open for
 reading; or the type of lock \fBl_type\fR is an exclusive lock (\fBF_WRLCK\fR)
 and \fIfildes\fR is not a valid file descriptor open for writing.
@@ -752,11 +977,10 @@ reading.
 .ad
 .RS 13n
 The \fIcmd\fR argument is \fBF_GETLK\fR, \fBF_GETLK64\fR, \fBF_SETLK\fR,
-\fBF_SETLK64\fR, \fBF_SETLKW\fR, \fBF_SETLKW64\fR, or \fBF_FREESP\fR and the
+\fBF_SETLK64\fR, \fBF_SETLKW\fR, \fBF_SETLKW64\fR, \fBF_OFD_GETLK\fR,
+\fBF_OFD_GETLK64\fR, \fBF_OFD_SETLK\fR, \fBF_OFD_SETLK64\fR, \fBF_OFD_SETLKW\fR,
+\fBF_OFD_SETLKW64\fB, \fBF_SHARE\fR, \fBF_UNSHARE\fR, or \fBF_FREESP\fR and the
 \fIarg\fR argument points to an illegal address.
-.sp
-The \fIcmd\fR argument is \fBF_SHARE\fR or \fBF_UNSHARE\fR and \fIarg\fR points
-to an illegal address.
 .RE
 
 .sp
@@ -765,8 +989,8 @@ to an illegal address.
 \fB\fBEINTR\fR\fR
 .ad
 .RS 13n
-The \fIcmd\fR argument is \fBF_SETLKW\fR or \fBF_SETLKW64\fR and the function
-was interrupted by a signal.
+The \fIcmd\fR argument is \fBF_SETLKW\fR, \fBF_SETLKW64\fR, \fBF_OFD_SETLKW\fR,
+or \fBF_OFD_SETLKW64\fR, and the function was interrupted by a signal.
 .RE
 
 .sp
@@ -778,9 +1002,11 @@ was interrupted by a signal.
 The \fIcmd\fR argument is invalid or not supported by the file system; or the
 \fIcmd\fR argument is \fBF_DUPFD\fR and \fIarg\fR is negative or greater than
 or equal to \fBOPEN_MAX\fR; or the \fIcmd\fR argument is \fBF_GETLK\fR,
-\fBF_GETLK64\fR, \fBF_SETLK\fR, \fBF_SETLK64\fR, \fBF_SETLKW\fR, or
-\fBF_SETLKW64\fR and the data pointed to by \fIarg\fR is not valid; or
-\fIfildes\fR refers to a file that does not support locking.
+\fBF_GETLK64\fR, \fBF_SETLK\fR, \fBF_SETLK64\fR, \fBF_SETLKW\fR,
+\fBF_SETLKW64\fR, \fBF_OFD_GETLK\fR, \fBF_OFD_GETLK64\fR, \fBF_OFD_SETLK\fR,
+\fBF_OFD_SETLK64\fR, \fBF_OFD_SETLKW\fR, or \fBF_OFD_SETLKW64\fR, and the data
+pointed to by \fIarg\fR is not valid; or \fIfildes\fR refers to a file that
+does not support locking.
 .sp
 The \fIcmd\fR argument is \fBF_UNSHARE\fR and a reservation with this
 \fBf_id\fR for this process does not exist.
@@ -815,9 +1041,11 @@ greater than or equal to \fIarg\fR are available.
 \fB\fBENOLCK\fR\fR
 .ad
 .RS 13n
-The \fIcmd\fR argument is \fBF_SETLK\fR, \fBF_SETLK64\fR, \fBF_SETLKW\fR, or
-\fBF_SETLKW64\fR and satisfying the lock or unlock request would result in the
-number of locked regions in the system exceeding a system-imposed limit.
+The \fIcmd\fR argument is \fBF_SETLK\fR, \fBF_SETLK64\fR, \fBF_SETLKW\fR,
+\fBF_SETLKW64\fR, \fBF_OFD_SETLK\fR, \fBF_OFD_SETLK64\fR, \fBF_OFD_SETLKW\fR,
+or \fBF_OFD_SETLKW64\fR, and satisfying the lock or unlock request would
+result in the number of locked regions in the system exceeding a
+system-imposed limit.
 .RE
 
 .sp
@@ -839,12 +1067,14 @@ file is on a remote machine, and the link to that machine is no longer active.
 .RS 13n
 One of the values to be returned cannot be represented correctly.
 .sp
-The \fIcmd\fR argument is \fBF_GETLK\fR, \fBF_SETLK\fR, or \fBF_SETLKW\fR and
+The \fIcmd\fR argument is \fBF_GETLK\fR, \fBF_SETLK\fR, \fBF_SETLKW\fR,
+\fBF_OFD_GETLK\fR, \fBF_OFD_SETLK\fR, or \fBF_OFD_SETLKW\fR, and
 the smallest or, if \fBl_len\fR is non-zero, the largest, offset of any byte in
 the requested segment cannot be represented correctly in an object of type
 \fBoff_t\fR.
 .sp
-The \fIcmd\fR argument is \fBF_GETLK64\fR, \fBF_SETLK64\fR, or \fBF_SETLKW64\fR
+The \fIcmd\fR argument is \fBF_GETLK64\fR, \fBF_SETLK64\fR, \fBF_SETLKW64\fR,
+\fBF_OFD_GETLK64\fR, \fBF_OFD_SETLK64\fR, or \fBF_OFD_SETLKW64\fR,
 and the smallest or, if \fBl_len\fR is non-zero, the largest, offset of any
 byte in the requested segment cannot be represented correctly in an object of
 type \fBoff64_t\fR.
@@ -859,8 +1089,9 @@ The \fBfcntl()\fR function may fail if:
 \fB\fBEAGAIN\fR\fR
 .ad
 .RS 11n
-The \fIcmd\fR argument is \fBF_SETLK\fR, \fBF_SETLK64\fR, \fBF_SETLKW\fR, or
-\fBF_SETLKW64\fR, and the file is currently being mapped to virtual memory
+The \fIcmd\fR argument is \fBF_SETLK\fR, \fBF_SETLK64\fR, \fBF_SETLKW\fR,
+\fBF_SETLKW64\fR, \fBF_OFD_SETLK\fR, \fBF_OFD_SETLK64\fR, \fBF_OFD_SETLKW\fR,
+or \fBF_OFD_SETLKW64\fR and the file is currently being mapped to virtual memory
 using \fBmmap\fR(2).
 .RE
 
@@ -903,7 +1134,8 @@ MT-Level	Async-Signal Safe
 \fBlockd\fR(1M), \fBchmod\fR(2), \fBclose\fR(2), \fBcreat\fR(2), \fBdup\fR(2),
 \fBexec\fR(2), \fBfork\fR(2), \fBmmap\fR(2), \fBopen\fR(2), \fBpipe\fR(2),
 \fBread\fR(2), \fBsigaction\fR(2), \fBwrite\fR(2), \fBdup2\fR(3C),
-\fBfcntl.h\fR(3HEAD), \fBattributes\fR(5), \fBstandards\fR(5)
+\fBflock\fR(3C), \fBlockf\fR(3C), \fBfcntl.h\fR(3HEAD), \fBattributes\fR(5),
+\fBlf64\fR(5), \fBstandards\fR(5)
 .sp
 .LP
 \fIProgramming Interfaces Guide\fR
diff --git a/usr/src/man/man2/meminfo.2 b/usr/src/man/man2/meminfo.2
index e606865486..a0c696d36e 100644
--- a/usr/src/man/man2/meminfo.2
+++ b/usr/src/man/man2/meminfo.2
@@ -1,9 +1,10 @@
 '\" te
 .\" Copyright (c) 2003, Sun Microsystems, Inc. All Rights Reserved.
+.\" Copyright 2015, Joyent, Inc.
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH MEMINFO 2 "Feb 21, 2003"
+.TH MEMINFO 2 "Mar 10, 2015"
 .SH NAME
 meminfo \- provide information about memory
 .SH SYNOPSIS
@@ -151,6 +152,11 @@ lgrp of \fIn\fRth physical replica of specified virtual address
 locality group of specified physical address
 .RE
 
+.sp
+.LP
+All but \fBMEMINFO_VLGRP\fR and \fBMEMINFO_VPAGESIZE\fR require the
+\fBPRIV_PROC_MEMINFO\fR privilege.
+
 .SH RETURN VALUES
 .sp
 .LP
@@ -265,4 +271,4 @@ MT-Level	Async-Signal-Safe
 .LP
 \fBmemcntl\fR(2), \fBmmap\fR(2), \fBgethomelgroup\fR(3C),
 \fBgetpagesize\fR(3C), \fBmadvise\fR(3C), \fBsysconf\fR(3C),
-\fBattributes\fR(5)
+\fBattributes\fR(5), \fBprivileges\fR(5)
diff --git a/usr/src/man/man3c/Makefile b/usr/src/man/man3c/Makefile
index 9e7f7fbff5..47b3014510 100644
--- a/usr/src/man/man3c/Makefile
+++ b/usr/src/man/man3c/Makefile
@@ -110,8 +110,12 @@ MANFILES= 	__fbufsize.3c					\
 	 	enable_extended_FILE_stdio.3c			\
 	 	encrypt.3c					\
 	 	end.3c						\
+	 	epoll_create.3c					\
+	 	epoll_ctl.3c					\
+	 	epoll_wait.3c					\
 	 	err.3c						\
 	 	euclen.3c					\
+		eventfd.3c					\
 	 	exit.3c						\
 	 	fattach.3c					\
 	 	fclose.3c					\
@@ -127,6 +131,7 @@ MANFILES= 	__fbufsize.3c					\
 	 	fgetpos.3c					\
 	 	fgetwc.3c					\
 	 	floating_to_decimal.3c				\
+		flock.3c					\
 	 	flockfile.3c					\
 	 	fmtmsg.3c					\
 	 	fnmatch.3c					\
@@ -201,6 +206,9 @@ MANFILES= 	__fbufsize.3c					\
 	 	imaxdiv.3c					\
 	 	index.3c					\
 	 	initgroups.3c					\
+	 	inotify_init.3c					\
+	 	inotify_add_watch.3c				\
+	 	inotify_rm_watch.3c				\
 	 	insque.3c					\
 	 	is_system_labeled.3c				\
 	 	isaexec.3c					\
@@ -469,6 +477,7 @@ MANFILES= 	__fbufsize.3c					\
 	 	timer_delete.3c					\
 	 	timer_settime.3c				\
 	 	timeradd.3c					\
+		timerfd_create.3c				\
 	 	tmpfile.3c					\
 	 	tmpnam.3c					\
 	 	toascii.3c					\
@@ -732,6 +741,8 @@ MANLINKS=	FD_CLR.3c				\
 	 	endusershell.3c				\
 	 	endutent.3c				\
 	 	endutxent.3c				\
+	 	epoll_create1.3c			\
+	 	epoll_pwait.3c				\
 	 	erand48.3c				\
 	 	errno.3c				\
 	 	errx.3c					\
@@ -1580,6 +1591,9 @@ _etext.3c				:= LINKSRC = end.3c
 edata.3c				:= LINKSRC = end.3c
 etext.3c				:= LINKSRC = end.3c
 
+epoll_create1.3c			:= LINKSRC = epoll_create.3c
+epoll_pwait.3c				:= LINKSRC = epoll_wait.3c
+
 errx.3c					:= LINKSRC = err.3c
 verr.3c					:= LINKSRC = err.3c
 verrx.3c				:= LINKSRC = err.3c
diff --git a/usr/src/man/man3c/epoll_create.3c b/usr/src/man/man3c/epoll_create.3c
new file mode 100644
index 0000000000..3dd9abf5f7
--- /dev/null
+++ b/usr/src/man/man3c/epoll_create.3c
@@ -0,0 +1,104 @@
+'\" te
+.\"  Copyright (c) 2014, Joyent, Inc. All Rights Reserved.
+.\"  This file and its contents are supplied under the terms of the
+.\"  Common Development and Distribution License ("CDDL"), version 1.0.
+.\"  You may only use this file in accordance with the terms of version
+.\"  1.0 of the CDDL.
+.\" 
+.\"  A full copy of the text of the CDDL should have accompanied this
+.\"  source.  A copy of the CDDL is also available via the Internet at
+.\"  http://www.illumos.org/license/CDDL.
+.TH EPOLL_CREATE 3C "Apr 17, 2014"
+.SH NAME
+epoll_create, epoll_create1 \- create an epoll instance
+.SH SYNOPSIS
+
+.LP
+.nf
+#include <sys/epoll.h>
+
+\fBint\fR \fBepoll_create\fR(\fBint\fR \fIsize\fR);
+.fi
+
+.LP
+.nf
+\fBint\fR \fBepoll_create1\fR(\fBint\fR \fIflags\fR);
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+The \fBepoll_create()\fR and \fBepoll_create1()\fR functions both create an
+\fBepoll\fR(5) instance that can be operated upon via \fBepoll_ctl\fR(3C),
+\fBepoll_wait\fR(3C) and \fBepoll_pwait\fR(3C).  \fBepoll\fR instances are
+represented as file descriptors, and should be closed via \fBclose\fR(2).
+
+The only difference between the two functions is their signature;
+\fBepoll_create()\fR takes a size argument that
+is vestigal and is only meaningful in as much as it must be greater than
+zero, while \fBepoll_create1()\fR takes a flags argument that can have
+any of the following values:
+
+.sp
+.ne 2
+.na
+\fBEPOLL_CLOEXEC\fR
+.ad
+.RS 12n
+Instance should be closed upon an
+\fBexec\fR(2); see \fBopen\fR(2)'s description of \fBO_CLOEXEC\fR.
+.RE
+
+.SH RETURN VALUES
+.sp
+.LP
+Upon succesful completion, 0 is returned. Otherwise, -1 is returned and errno
+is set to indicate the error.
+.SH ERRORS
+.sp
+.LP
+The \fBepoll_create()\fR and \fBepoll_create1()\fR functions will fail if:
+.sp
+.ne 2
+.na
+\fB\fBEINVAL\fR\fR
+.ad
+.RS 10n
+Either the \fIsize\fR is zero (\fBepoll_create()\fR) or the \fIflags\fR
+are invalid (\fBepoll_create1()\fR).
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEMFILE\fR\fR
+.ad
+.RS 10n
+There are currently {\fBOPEN_MAX\fR} file descriptors open in the calling
+process.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBENFILE\fR\fR
+.ad
+.RS 10n
+The maximum allowable number of files is currently open in the system.
+.RE
+
+.sp
+.SH NOTES
+.sp
+.LP
+
+The \fBepoll\fR(5) facility is implemented for purposes of offering
+compatibility for Linux-borne applications; native
+applications should continue to prefer using event ports via the
+\fBport_create\fR(3C), \fBport_associate\fR(3C) and \fBport_get\fR(3C)
+interfaces.  See \fBepoll\fR(5) for compatibility details and restrictions.
+
+.SH SEE ALSO
+.sp
+.LP
+\fBepoll_ctl\fR(3C), \fBepoll_wait\fR(3C), \fBepoll\fR(5)
diff --git a/usr/src/man/man3c/epoll_ctl.3c b/usr/src/man/man3c/epoll_ctl.3c
new file mode 100644
index 0000000000..ccf3139396
--- /dev/null
+++ b/usr/src/man/man3c/epoll_ctl.3c
@@ -0,0 +1,300 @@
+'\" te
+.\"  Copyright (c) 2014, Joyent, Inc. All Rights Reserved.
+.\"  This file and its contents are supplied under the terms of the
+.\"  Common Development and Distribution License ("CDDL"), version 1.0.
+.\"  You may only use this file in accordance with the terms of version
+.\"  1.0 of the CDDL.
+.\" 
+.\"  A full copy of the text of the CDDL should have accompanied this
+.\"  source.  A copy of the CDDL is also available via the Internet at
+.\"  http://www.illumos.org/license/CDDL.
+.TH EPOLL_CTL 3C "Apr 17, 2014"
+.SH NAME
+epoll_ctl \- control an epoll instance
+.SH SYNOPSIS
+
+.LP
+.nf
+#include <sys/epoll.h>
+
+\fBint\fR \fBepoll_ctl\fR(\fBint\fR \fIepfd\fR, \fBint\fR \fIop\fR, \fBint\fR \fIfd\fR, \fBstruct epoll_event *\fR\fIevent\fR);
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+The \fBepoll_ctl()\fR function executes the operation specified by
+\fIop\fR (as parameterized by \fIevent\fR) on the \fIepfd\fR epoll instance.
+Valid values for \fIop\fR:
+
+.sp
+.ne 2
+.na
+\fBEPOLL_CTL_ADD\fR
+.ad
+.RS 12n
+For the \fBepoll\fR(5) instance specified by \fIepfd\fR,
+associate the file descriptor specified by \fIfd\fR with the event specified
+by \fIevent\fR.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEPOLL_CTL_DEL\fR
+.ad
+.RS 12n
+For the \fBepoll\fR(5) instance specified by \fIepfd\fR,
+remove all event associations for the file descriptor specified by \fIfd\fR.
+\fIevent\fR is ignored, and may be NULL.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEPOLL_CTL_MOD\fR
+.ad
+.RS 12n
+For the \fBepoll\fR(5) instance specified by \fIepfd\fR, modify the event
+association for the file descriptor specified by \fIfd\fR to be that
+specified by \fIevent\fR.
+
+.RE
+
+The \fIevent\fR parameter has the following structure:
+
+.in +4
+.nf
+typedef union epoll_data {
+	void    *ptr;
+	int      fd;
+	uint32_t u32;
+	uint64_t u64;
+} epoll_data_t;
+
+struct epoll_event {
+	uint32_t     events;
+	epoll_data_t data;
+};
+.fi
+.in -4
+
+The \fIdata\fR field specifies the datum to
+be associated with the event and
+will be returned via \fBepoll_wait\fR(3C).
+The \fIevents\fR field denotes both the desired events (when specified via
+\fBepoll_ctl()\fR) and the events that have occurred (when returned via
+\fBepoll_wait\fR(3C)).
+In either case, the
+\fIevents\fR field is a bitmask constructed by a logical \fBOR\fR operation
+of any combination of the following event flags:
+
+.sp
+.ne 2
+.na
+\fBEPOLLIN\fR
+.RS 14n
+Data other than high priority data may be read without blocking. For streams,
+this flag is set in the returned \fIevents\fR even if the message is of
+zero length.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEPOLLPRI\fR
+.RS 14n
+Normal data (priority band equals 0) may be read without blocking. For streams,
+this flag is set in the returned \fIevents\fR even if the message is of zero
+length.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEPOLLOUT\fR
+.RS 14n
+Normal data (priority band equals 0) may be written without blocking.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEPOLLRDNORM\fR
+.RS 14n
+Normal data (priority band equals 0) may be read without blocking. For streams,
+this flag is set in the returned \fIrevents\fR even if the message is of
+zero length.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEPOLLRDBAND\fR
+.RS 14n
+Data from a non-zero priority band may be read without blocking. For streams,
+this flag is set in the returned \fIrevents\fR even if the message is of
+zero length.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEPOLLWRNORM\fR
+.RS 14n
+The same as \fBEPOLLOUT\fR.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEPOLLWRBAND\fR
+.RS 14n
+Priority data (priority band > 0) may be written.  This event only examines
+bands that have been written to at least once.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEPOLLMSG\fR
+.RS 14n
+This exists only for backwards binary and source compatibility with Linux;
+it has no meaning and is ignored.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEPOLLERR\fR
+.RS 14n
+An error has occurred on the device or stream.  This flag is only valid in the
+returned \fIevents\fR field.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEPOLLHUP\fR
+.RS 14n
+A hangup has occurred on the stream. This event and \fBEPOLLOUT\fR are mutually
+exclusive; a stream can never be writable if a hangup has occurred. However,
+this event and  \fBEPOLLIN\fR, \fBEPOLLRDNORM\fR, \fBEPOLLRDBAND\fR,
+\fBEPOLLRDHUP\fR or
+\fBEPOLLPRI\fR are not mutually exclusive. This flag is only valid in the
+the \fIevents\fR field returned from \fBepoll_wait\fR(3C); it is not used
+in the \fIevents\fR field specified via \fBepoll_ctl()\fR.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEPOLLRDHUP\fR
+.RS 14n
+The stream socket peer shutdown the writing half of the connection and no
+further data will be readable via the socket.  This event is not mutually
+exclusive with \fBEPOLLIN\fR.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEPOLLWAKEUP\fR
+.RS 14n
+This exists only for backwards binary and source compatibility with Linux;
+it has no meaning and is ignored.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEPOLLONESHOT\fR
+.RS 14n
+Sets the specified event to be in one-shot mode, whereby the event association
+with the \fBepoll\fR(5) instance specified by \fIepfd\fR is removed atomically
+as the event is returned via \fBepoll_wait\fR(3C).  Use of this mode allows
+for resolution of some of the
+races inherent in multithreaded use of \fBepoll_wait\fR(3C).
+.RE
+
+.sp
+.ne 2
+.na
+\fBEPOLLET\fR
+.RS 14n
+Sets the specified event to be edge-triggered mode instead of the default
+mode of level-triggered.  In this mode, events will be induced by
+transitions on an event source rather than the state of the event source.
+While perhaps superficially appealing, this mode introduces several new
+potential failure modes for user-level software and should be used
+with caution.
+.RE
+
+.SH RETURN VALUES
+.sp
+.LP
+Upon succesful completion, \fBepoll_ctl()\fR returns 0.
+If an error occurs, -1 is returned and errno is set to indicate
+the error.
+
+.SH ERRORS
+.sp
+.LP
+\fBepoll_ctl()\fR will fail if:
+.sp
+.ne 2
+.na
+\fB\fBEBADF\fR\fR
+.ad
+.RS 10n
+\fIepfd\fR is not a valid file descriptor.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEFAULT\fR\fR
+.ad
+.RS 10n
+The memory associated with \fIevent\fR was not mapped.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEEXIST\fR\fR
+.ad
+.RS 10n
+The operation specified was \fBEPOLL_CTL_ADD\fR and the specified file
+descriptor is already associated with an event for the specified
+\fBepoll\fR(5) instance.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBENOENT\fR\fR
+.ad
+.RS 10n
+The operation specified was \fBEPOLL_CTL_MOD\fR or \fBEPOLL_CTL_DEL\fR and
+the specified file descriptor is not associated with an event for the
+specified \fBepoll\fR(5) instance.
+.RE
+
+.sp
+.SH NOTES
+.sp
+.LP
+
+The \fBepoll\fR(5) facility is implemented for purposes of offering
+compatibility for Linux-borne applications; native
+applications should continue to prefer using event ports via the
+\fBport_create\fR(3C), \fBport_associate\fR(3C) and \fBport_get\fR(3C)
+interfaces.  See \fBepoll\fR(5) for compatibility details and restrictions.
+
+.SH SEE ALSO
+.sp
+.LP
+\fBepoll_create\fR(3C), \fBepoll_wait\fR(3C),
+\fBport_create\fR(3C), \fBport_associate\fR(3C), \fBport_get\fR(3C),
+\fBepoll\fR(5)
diff --git a/usr/src/man/man3c/epoll_wait.3c b/usr/src/man/man3c/epoll_wait.3c
new file mode 100644
index 0000000000..670eebe89c
--- /dev/null
+++ b/usr/src/man/man3c/epoll_wait.3c
@@ -0,0 +1,113 @@
+'\" te
+.\"  Copyright (c) 2014, Joyent, Inc. All Rights Reserved.
+.\"  This file and its contents are supplied under the terms of the
+.\"  Common Development and Distribution License ("CDDL"), version 1.0.
+.\"  You may only use this file in accordance with the terms of version
+.\"  1.0 of the CDDL.
+.\" 
+.\"  A full copy of the text of the CDDL should have accompanied this
+.\"  source.  A copy of the CDDL is also available via the Internet at
+.\"  http://www.illumos.org/license/CDDL.
+.TH EPOLL_WAIT 3C "Apr 17, 2014"
+.SH NAME
+epoll_wait, epoll_pwait \- wait for epoll events
+.SH SYNOPSIS
+
+.LP
+.nf
+#include <sys/epoll.h>
+
+\fBint\fR \fBepoll_wait\fR(\fBint\fR \fIepfd\fR, \fBstruct epoll_event *\fR\fIevents\fR, 
+     \fBint\fR \fImaxevents\fR, \fBint\fR \fItimeout\fR);
+.fi
+
+.LP
+.nf
+\fBint\fR \fBepoll_pwait\fR(\fBint\fR \fIepfd\fR, \fBstruct epoll_event *\fR\fIevents\fR, 
+     \fBint\fR \fImaxevents\fR, \fBint\fR \fItimeout\fR,
+     \fBconst sigset_t *\fR\fIsigmask\fR);
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+The \fBepoll_wait()\fR function waits for events on the \fBepoll\fR(5)
+instance specified by \fIepfd\fR.  The \fIevents\fR parameter must point to
+an array of \fImaxevents\fR \fIepoll_event\fR structures to be
+filled in with pending events.  The \fItimeout\fR argument specifies the
+number of milliseconds to wait for an event if none is pending.  A
+\fItimeout\fR of -1 denotes an infinite timeout.
+
+The \fBepoll_pwait()\fR is similar to \fBepoll_wait()\fR, but takes an
+additional \fIsigmask\fR argument that specifies the desired signal mask
+when \fBepoll_pwait()\fR is blocked.  It is equivalent to atomically
+setting the signal mask, calling \fBepoll_wait()\fR, and restoring the
+signal mask upon return, and is therefore similar to the relationship
+between \fBselect\fR(3C) and \fBpselect\fR(3C).
+
+.SH RETURN VALUES
+.sp
+.LP
+Upon successful completion, \fBepoll_wait()\fR and \fBepoll_pwait()\fR return
+the number of events, or 0 if none was pending and \fItimeout\fR milliseconds
+elapsed.  If an error occurs, -1 is returned and errno is set to indicate
+the error.
+
+.SH ERRORS
+.sp
+.LP
+The \fBepoll_wait()\fR and \fBepoll_pwait()\fR functions will fail if:
+.sp
+.ne 2
+.na
+\fB\fBEBADF\fR\fR
+.ad
+.RS 10n
+\fIepfd\fR is not a valid file descriptor.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEFAULT\fR\fR
+.ad
+.RS 10n
+The memory associated with \fIevents\fR was not mapped or was not writable.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEINTR\fR\fR
+.ad
+.RS 10n
+A signal was received during the \fBepoll_wait()\fR or \fBepoll_pwait()\fR.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEINVAL\fR\fR
+.ad
+.RS 10n
+Either \fIepfd\fR is not a valid \fBepoll\fR(5) instance or \fImaxevents\fR
+is not greater than zero.
+.RE
+
+.sp
+.SH NOTES
+.sp
+.LP
+
+The \fBepoll\fR(5) facility is implemented for purposes of offering
+compatibility for Linux-borne applications; native
+applications should continue to prefer using event ports via the
+\fBport_create\fR(3C), \fBport_associate\fR(3C) and \fBport_get\fR(3C)
+interfaces.  See \fBepoll\fR(5) for compatibility details and restrictions.
+
+.SH SEE ALSO
+.sp
+.LP
+\fBepoll_create\fR(3C), \fBepoll_ctl\fR(3C),
+\fBport_create\fR(3C), \fBport_associate\fR(3C), \fBport_get\fR(3C),
+\fBpselect\fR(3C), \fBepoll\fR(5)
diff --git a/usr/src/man/man3c/eventfd.3c b/usr/src/man/man3c/eventfd.3c
new file mode 100644
index 0000000000..6e7d1c6a5b
--- /dev/null
+++ b/usr/src/man/man3c/eventfd.3c
@@ -0,0 +1,161 @@
+'\" te
+.\"  Copyright (c) 2014, Joyent, Inc. All Rights Reserved.
+.\"  This file and its contents are supplied under the terms of the
+.\"  Common Development and Distribution License ("CDDL"), version 1.0.
+.\"  You may only use this file in accordance with the terms of version
+.\"  1.0 of the CDDL.
+.\" 
+.\"  A full copy of the text of the CDDL should have accompanied this
+.\"  source.  A copy of the CDDL is also available via the Internet at
+.\"  http://www.illumos.org/license/CDDL.
+.TH EVENTFD 3C "Dec 3, 2014"
+.SH NAME
+eventfd \- create a file descriptor for event notification
+.SH SYNOPSIS
+
+.LP
+.nf
+#include <sys/eventfd.h>
+
+\fBint\fR \fBeventfd\fR(\fBunsigned int\fR \fIinitval\fR, \fBint\fR \fIflags\fR);
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+The \fBeventfd()\fR function creates an \fBeventfd\fR(5) instance that
+has an associated 64-bit unsigned counter. It returns a file descriptor
+that can be operated upon via \fBread\fR(2), \fBwrite\fR(2) and the facilities
+that notify of file descriptor activity (e.g., \fBpoll\fR(2),
+\fBport_get\fR(3C), \fBepoll_wait\fR(3C)). To dispose of the instance,
+\fBclose\fR(2) should be called on the file descriptor.
+
+The \fIinitval\fR argument specifies the
+initial value of the 64-bit counter associated with the instance.  (Note
+that this limits the initial value to be a 32-bit quantity despite the
+fact that the underlying counter is 64-bit.)
+
+The \fIflags\fR argument specifies additional parameters for the
+instance, and can have any of the following values:
+
+.sp
+.ne 2
+.na
+\fBEFD_CLOEXEC\fR
+.ad
+.RS 12n
+Instance will be closed upon an
+\fBexec\fR(2); see \fBopen\fR(2)'s description of \fBO_CLOEXEC\fR.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEFD_NONBLOCK\fR
+.ad
+.RS 12n
+Instance will be set to be non-blocking.  A \fBread\fR(2) on an
+\fBeventfd\fR instance that has been initialized with
+\fBEFD_NONBLOCK\fR will return \fBEAGAIN\fR in lieu of blocking if the
+count associated with the instance is zero.
+.RE
+
+.sp
+.ne 2
+.na
+\fBEFD_SEMAPHORE\fR
+.ad
+.RS 12n
+Provide counting semaphore semantics whereby a \fBread\fR(2) will 
+atomically decrement rather than atomically clear the count when it
+becomes non-zero. See below for details on \fBread\fR(2) semantics.
+.RE
+
+.sp
+The following operations can be performed upon an \fBeventfd\fR instance:
+
+.sp
+.ne 2
+.na
+\fBread\fR(2)
+.ad
+.RS 12n
+Atomically reads and modifies the value of the 64-bit counter associated
+with the instance.  The precise semantics
+of \fBread\fR(2) depend on the disposition of \fBEFD_SEMAPHORE\fR with
+respect to the instance: if \fBEFD_SEMAPHORE\fR was set when the instance
+was created, \fBread\fR(2) will \fIatomically decrement\fR the counter if
+(and when)
+it is non-zero, copying the value 1 to the eight byte buffer passed to
+the system call; if \fBEFD_SEMAPHORE\fR was not set, \fBread\fR(2) will
+\fIatomically clear\fR the counter if (and when) it is non-zero, copying
+the former value of the counter to the eight byte buffer passed to the
+system call.  In either case, \fBread\fR(2) will block if the counter is
+zero (or return \fBEAGAIN\fR if the instance was created with
+\fBEFD_NONBLOCK\fR). If the buffer specified to \fBread\fR(2) is less than
+eight bytes in length, \fBEINVAL\fR will be returned.
+
+.RE
+
+.sp
+.ne 2
+.na
+\fBwrite\fR(2)
+.ad
+.RS 12n
+Atomically adds the 64-bit value pointed to by the buffer to the 64-bit
+counter associated with the instance.  If the resulting value would overflow,
+the \fBwrite\fR(2) will block until the value would not overflow
+(or return \fBEAGAIN\fR if the instance was created with
+\fBEFD_NONBLOCK\fR).  If the buffer specified to \fBwrite\fR(2) is less than
+eight bytes in length, \fBEINVAL\fR will be returned.
+
+.RE
+
+.sp
+.ne 2
+.na
+\fBpoll\fR(2), \fBport_get\fR(3C), \fBepoll_wait\fR(3C)
+.ad
+.RS 12n
+Provide notification when the 64-bit counter associated
+with the instance is ready for reading or writing, as specified.
+If the 64-bit value associated with the instance is non-zero, \fBPOLLIN\fR
+and \fBPOLLRDNORM\fR will be set; if the value 1 can be added the value
+without blocking, \fBPOLLOUT\fR and \fBPOLLWRNORM\fR will be set.
+.RE
+
+.SH RETURN VALUES
+.sp
+.LP
+Upon succesful completion, a file descriptor associated with the instance
+is returned. Otherwise, -1 is returned and errno
+is set to indicate the error.
+.SH ERRORS
+.sp
+.LP
+The \fBeventfd()\fR function will fail if:
+.sp
+.ne 2
+.na
+\fB\fBEINVAL\fR\fR
+.ad
+.RS 10n
+The \fIflags\fR are invalid.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEMFILE\fR\fR
+.ad
+.RS 10n
+There are currently {\fBOPEN_MAX\fR} file descriptors open in the calling
+process.
+.RE
+
+.SH SEE ALSO
+.sp
+.LP
+\fBpoll\fR(2), \fBport_get\fR(3C), \fBepoll_wait\fR(3C), \fBeventfd\fR(5)
+
diff --git a/usr/src/man/man3c/flock.3c b/usr/src/man/man3c/flock.3c
new file mode 100644
index 0000000000..a0953f67f9
--- /dev/null
+++ b/usr/src/man/man3c/flock.3c
@@ -0,0 +1,209 @@
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright 1989 AT&T
+.\" Copyright (c) 2002, Sun Microsystems, Inc.  All Rights Reserved
+.\" Portions Copyright (c) 1992, X/Open Company Limited  All Rights Reserved
+.\" Copyright 2015 Joyent, Inc.
+.\"
+.TH FLOCK 3C "Feb 16, 2015"
+.SH NAME
+flock \- OFD(open file description)-style file locking
+.SH SYNOPSIS
+.LP
+.nf
+#include <sys/file.h>
+
+\fBint\fR \fBflock\fR(\fBint\fR \fIfildes\fR, \fBint\fR \fIoperation\fR);
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+The \fBflock()\fR function allows advisory locks to be applied to and removed
+from a file. Calls to \fBflock()\fR from callers that attempt to lock
+the locked file section via a different open file handle will either return an
+error value or be put to sleep until the resource becomes unlocked.
+See \fBfcntl\fR(2) for more information about record locking. Locks created or
+removed via this function will apply to the entire file, including any future
+growth in the file's length.
+.sp
+.LP
+The \fIfildes\fR argument is an open file descriptor. A lock can be established
+without regard for the mode with which the file was opened.
+.sp
+.LP
+The \fIoperation\fR argument is a control value that specifies the action to be
+taken. The permissible values for \fIoperation\fR are defined in
+<\fBsys/file.h\fR> as follows:
+.sp
+.in +2
+.nf
+#define   LOCK_SH   1   /* shared file lock */
+#define   LOCK_EX   2   /* exclusive file lock */
+#define   LOCK_NB   4   /* do not block when attempting to create lock */
+#define   LOCK_UN   8   /* remove existing file lock */
+.fi
+.in -2
+
+.sp
+.LP
+To create a lock, either \fBLOCK_SH\fR or \fBLOCK_EX\fR should be specified,
+optionally bitwise-ored with \fBLOCK_NB\fR.  To remove a lock, \fBLOCK_UN\fR
+should be specified. All other values of \fIoperation\fR are reserved for
+future extensions and will result in an error if not implemented.
+.sp
+.LP
+This function creates, upgrades, downgrades, or removes either shared or
+exclusive OFD-style locks. Locks created by this function are owned by open
+files, not file descriptors. That is, file descriptors duplicated through
+\fBdup\fR(2), \fBfork\fR(2), or \fBfcntl\fR(2) do not result in multiple
+instances of a lock, but rather multiple references to the same lock. If a
+process holding a lock on a file forks and the child explicitly unlocks the
+file, the parent will lose its lock.  See \fBfcntl\fR(2) for more information
+about file locking and the interaction between locks created by this function
+and those created by other mechanisms. These locks are currently not supported
+over remote file systems (e.g. \fBnfs\fR(4)) which use the Network Lock
+Manager.
+.sp
+.LP
+Sleeping on a resource is interrupted with any signal. The \fBalarm\fR(2)
+function may be used to provide a timeout facility in applications that require
+this facility.
+.SH RETURN VALUES
+.sp
+.LP
+Upon successful completion, \fB0\fR is returned.  Otherwise, \fB\(mi1\fR is
+returned and \fBerrno\fR is set to indicate the error.
+.SH ERRORS
+.sp
+.LP
+The \fBflock()\fR function will fail if:
+.sp
+.ne 2
+.na
+\fB\fBEBADF\fR\fR
+.ad
+.RS 20n
+The \fIfildes\fR argument is not a valid open file descriptor; or
+\fIoperation\fR contains \fBLOCK_SH\fR and \fIfiledes\fR is not open for
+reading; or \fIoperation\fR contains \fBLOCK_EX\fR and \fIfiledes\fR is not
+open for writing.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEWOULDBLOCK\fR\fR
+.ad
+.RS 20n
+The \fIoperation\fR argument contains \fBLOCK_NB\fR and a conflicting lock
+exists.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEINTR\fR\fR
+.ad
+.RS 20n
+A signal was caught during execution of the function.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEINVAL\fR\fR
+.ad
+.RS 20n
+The \fIoperation\fR argument does not contain one of \fBLOCK_SH\fR,
+\fBLOCK_EX\fR, or \fBLOCK_UN\fR; or the \fIoperation\fR argument contains
+\fBLOCK_UN\fR and \fBLOCK_NB\fR; or the \fIoperation\fR argument contains
+any bits other than those set by \fBLOCK_SH\fR, \fBLOCK_EX\fR, \fBLOCK_NB\fR,
+and \fBLOCK_UN\fR.
+.RE
+
+.sp
+.LP
+The \fBflock()\fR function may fail if:
+.sp
+.ne 2
+.na
+\fB\fBEAGAIN\fR\fR
+.ad
+.RS 24n
+The \fIoperation\fR argument contains \fBLOCK_SH\fR or \fBLOCK_EX\fR and the
+file is mapped with \fBmmap\fR(2).
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBENOLCK\fR\fR
+.ad
+.RS 20n
+The number of locked file regions in the system would exceed a system-imposed
+limit.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEOPNOTSUPP\fR
+.ad
+.RS 24n
+The locking of files of the type indicated by the \fIfildes\fR argument is not
+supported.
+.RE
+
+.SH USAGE
+.sp
+.LP
+File-locking should not be used in combination with the \fBfopen\fR(3C),
+\fBfread\fR(3C), \fBfwrite\fR(3C) and other \fBstdio\fR functions.  Instead,
+the more primitive, non-buffered functions (such as \fBopen\fR(2)) should be
+used.  Unexpected results may occur in processes that do buffering in the user
+address space.  The process may later read/write data which is/was locked.  The
+\fBstdio\fR functions are the most common source of unexpected buffering.
+.sp
+.LP
+The \fBalarm\fR(2) function may be used to provide a timeout facility in
+applications requiring it.
+.sp
+.LP
+Locks created by this facility conflict with those created by the
+\fBlockf\fR(3C) and \fBfcntl\fR(2) facilities.  This facility creates and
+removed OFD-style locks; see \fBfcntl\fR(2) for information about the
+interaction between OFD-style and POSIX-style file locks.
+.SH ATTRIBUTES
+.sp
+.LP
+See \fBattributes\fR(5) for descriptions of the following attributes:
+.sp
+
+.sp
+.TS
+box;
+c | c
+l | l .
+ATTRIBUTE TYPE	ATTRIBUTE VALUE
+_
+Interface Stability	Standard
+_
+MT-Level	MT-Safe
+.TE
+
+.SH SEE ALSO
+.sp
+.LP
+\fBIntro\fR(2), \fBalarm\fR(2), \fBchmod\fR(2), \fBclose\fR(2), \fBcreat\fR(2),
+\fBfcntl\fR(2), \fBmmap\fR(2), \fBopen\fR(2), \fBread\fR(2), \fBwrite\fR(2),
+\fBattributes\fR(5), \fBstandards\fR(5)
diff --git a/usr/src/man/man3c/inotify_add_watch.3c b/usr/src/man/man3c/inotify_add_watch.3c
new file mode 100644
index 0000000000..4f79e03c82
--- /dev/null
+++ b/usr/src/man/man3c/inotify_add_watch.3c
@@ -0,0 +1,120 @@
+'\" te
+.\"  Copyright (c) 2014, Joyent, Inc. All Rights Reserved.
+.\"  This file and its contents are supplied under the terms of the
+.\"  Common Development and Distribution License ("CDDL"), version 1.0.
+.\"  You may only use this file in accordance with the terms of version
+.\"  1.0 of the CDDL.
+.\" 
+.\"  A full copy of the text of the CDDL should have accompanied this
+.\"  source.  A copy of the CDDL is also available via the Internet at
+.\"  http://www.illumos.org/license/CDDL.
+.TH INOTIFY_ADD_WATCH 3C "Sep 17, 2014"
+.SH NAME
+inotify_add_watch \- add a watch to an inotify instance
+.SH SYNOPSIS
+
+.LP
+.nf
+#include <sys/inotify.h>
+
+\fBint\fR \fBinotify_add_watch\fR(\fBint\fR \fIfd\fR, \fBconst char *\fR\fIpathname\fR, \fBuint32_t\fR \fImask\fR);
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+The \fBinotify_add_watch()\fR function adds a watch for the file or
+directory specified by \fIpathname\fR to the inotify instance 
+specified by \fIfd\fR for the events specified by \fImask\fR.  See
+\fBinotify\fR(5) for details on the meaning of \fImask\fR, how
+it affects the interpretation of \fIpathname\fR, and how 
+events for the watched file or directory are subsequently 
+retrieved via \fBread\fR(2).
+
+.SH RETURN VALUES
+.sp
+.LP
+Upon succesful completion, \fBinotify_add_watch()\fR returns the
+watch descriptor associated with the new watch.
+If an error occurs, -1 is returned and errno is set to indicate
+the error.
+
+.SH ERRORS
+.sp
+.LP
+\fBinotify_add_watch()\fR will fail if:
+.sp
+.ne 2
+.na
+\fB\fBEACCES\fR\fR
+.ad
+.RS 10n
+\fIpathname\fR could not be opened for reading.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEBADF\fR\fR
+.ad
+.RS 10n
+The \fIfd\fR argument is not a valid open file descriptor.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEFAULT\fR\fR
+.ad
+.RS 10n
+The memory associated with \fIpathname\fR was not mapped.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEINVAL\fR\fR
+.ad
+.RS 10n
+The \fIfd\fR argument does not correspond to an
+\fBinotify\fR(5) instance as initialized with 
+\fBinotify_init\fR(3C) or \fBinotify_init1\fR(3C).
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBENOSPC\fR\fR
+.ad
+.RS 10n
+The number of watches on the specified instance would exceed the
+maximum number of watches per \fBinotify\fR(5) instance.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBENOTDIR\fR\fR
+.ad
+.RS 10n
+\fIpathname\fR does not correspond to a directory and 
+\fBIN_ONLYDIR\fR was specified in \fImask\fR.
+.RE
+
+.sp
+.SH NOTES
+.sp
+.LP
+
+While the \fBinotify\fR(5) facility is implemented for purposes of
+offering compatibility for Linux-borne applications, native
+applications may opt to use it instead of (or in addition to) the 
+\fBPORT_SOURCE_FILE\fR capability of event ports.  See
+\fBinotify\fR(5) for details and restrictions.
+
+.SH SEE ALSO
+.sp
+.LP
+\fBinotify_init\fR(3C), \fBinotify_init1\fR(3C),
+\fBport_create\fR(3C), \fBport_associate\fR(3C), \fBport_get\fR(3C),
+\fBinotify\fR(5)
diff --git a/usr/src/man/man3c/inotify_init.3c b/usr/src/man/man3c/inotify_init.3c
new file mode 100644
index 0000000000..551a2ca798
--- /dev/null
+++ b/usr/src/man/man3c/inotify_init.3c
@@ -0,0 +1,107 @@
+'\" te
+.\"  Copyright (c) 2014, Joyent, Inc. All Rights Reserved.
+.\"  This file and its contents are supplied under the terms of the
+.\"  Common Development and Distribution License ("CDDL"), version 1.0.
+.\"  You may only use this file in accordance with the terms of version
+.\"  1.0 of the CDDL.
+.\" 
+.\"  A full copy of the text of the CDDL should have accompanied this
+.\"  source.  A copy of the CDDL is also available via the Internet at
+.\"  http://www.illumos.org/license/CDDL.
+.TH INOTIFY_INIT 3C "Sep 17, 2014"
+.SH NAME
+inotify_init, inotify_init1 \- initialize an inotify instance
+.SH SYNOPSIS
+
+.LP
+.nf
+#include <sys/inotify.h>
+
+\fBint\fR \fBinotify_init\fR(\fBvoid\fR);
+.fi
+
+.LP
+.nf
+\fBint\fR \fBinotify_init1\fR(\fBint\fR \fIflags\fR);
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+The \fBinotify_init()\fR and \fBinotify_init1()\fR functions both create an
+\fBinotify\fR(5) instance that can be operated upon via
+\fBinotify_add_watch\fR(3C), \fBinotify_rm_watch\fR(3C) and \fBread\fR(2).
+\fBinotify\fR instances are
+represented as file descriptors, and should be closed via \fBclose\fR(2).
+
+The only difference between the two functions is their signature;
+\fBinotify_init()\fR takes no arguments,
+while \fBinotify_init1()\fR takes a \fIflags\fR argument that can have
+any of the following values:
+
+.sp
+.ne 2
+.na
+\fBIN_CLOEXEC\fR
+.ad
+.RS 12n
+Instance should be closed upon an
+\fBexec\fR(2); see \fBopen\fR(2)'s description of \fBO_CLOEXEC\fR.
+.RE
+
+.sp
+.ne 2
+.na
+\fBIN_NONBLOCK\fR
+.ad
+.RS 12n
+Instance will be set to be non-blocking.  A \fBread\fR(2) on an
+\fBinotify\fR instance that has been initialized with
+\fBIN_NONBLOCK\fR will return \fBEAGAIN\fR if there are
+no events enqueued in lieu of blocking.
+.RE
+
+.SH RETURN VALUES
+.sp
+.LP
+Upon succesful completion, 0 is returned. Otherwise, -1 is returned and errno
+is set to indicate the error.
+.SH ERRORS
+.sp
+.LP
+The \fBinotify_init()\fR and \fBinotify_init1()\fR functions will fail if:
+.sp
+.ne 2
+.na
+\fB\fBEINVAL\fR\fR
+.ad
+.RS 10n
+The \fIflags\fR are invalid (\fBinotify_init1()\fR).
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEMFILE\fR\fR
+.ad
+.RS 10n
+There are currently {\fBOPEN_MAX\fR} file descriptors open in the calling
+process, or the maximum number of \fBinotify\fR instances for the user 
+would be exceeded.
+.RE
+
+.sp
+.SH NOTES
+.sp
+.LP
+
+While the \fBinotify\fR(5) facility is implemented for purposes of
+offering compatibility for Linux-borne applications, native
+applications may opt to use it instead of (or in addition to) the 
+\fBPORT_SOURCE_FILE\fR capability of event ports.  See
+\fBinotify\fR(5) for details and restrictions.
+
+.SH SEE ALSO
+.sp
+.LP
+\fBinotiy_add_watch\fR(3C), \fBinotify_rm_watch\fR(3C), \fBinotify\fR(5)
diff --git a/usr/src/man/man3c/inotify_rm_watch.3c b/usr/src/man/man3c/inotify_rm_watch.3c
new file mode 100644
index 0000000000..de568f8e24
--- /dev/null
+++ b/usr/src/man/man3c/inotify_rm_watch.3c
@@ -0,0 +1,81 @@
+'\" te
+.\"  Copyright (c) 2014, Joyent, Inc. All Rights Reserved.
+.\"  This file and its contents are supplied under the terms of the
+.\"  Common Development and Distribution License ("CDDL"), version 1.0.
+.\"  You may only use this file in accordance with the terms of version
+.\"  1.0 of the CDDL.
+.\" 
+.\"  A full copy of the text of the CDDL should have accompanied this
+.\"  source.  A copy of the CDDL is also available via the Internet at
+.\"  http://www.illumos.org/license/CDDL.
+.TH INOTIFY_RM_WATCH 3C "Sep 17, 2014"
+.SH NAME
+inotify_rm_watch \- remove a watch from an inotify instance
+.SH SYNOPSIS
+
+.LP
+.nf
+#include <sys/inotify.h>
+
+\fBint\fR \fBinotify_rm_watch\fR(\fBint\fR \fIfd\fR, \fBint\fR \fIwd\fR);
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+The \fBinotify_rm_watch()\fR function removes the watch specified
+by \fIwd\fR from the inotify instance associated with \fIfd\fR.
+Removing a watch will induce an \fBIN_IGNORED\fR event; see
+\fBinotify\fR(5) for details.
+
+.SH RETURN VALUES
+.sp
+.LP
+Upon succesful completion, \fBinotify_add_watch()\fR returns the
+watch descriptor associated with the new watch.
+If an error occurs, -1 is returned and errno is set to indicate
+the error.
+
+.SH ERRORS
+.sp
+.LP
+\fBinotify_rm_watch()\fR will fail if:
+.sp
+.ne 2
+.na
+\fB\fBEBADF\fR\fR
+.ad
+.RS 10n
+The \fIfd\fR argument is not a valid open file descriptor.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEINVAL\fR\fR
+.ad
+.RS 10n
+The \fIfd\fR argument does not correspond to an
+\fBinotify\fR(5) instance as initialized with 
+\fBinotify_init\fR(3C) or \fBinotify_init1\fR(3C), or
+\fIwd\fR is not a valid watch for the specified inotify
+instance.
+.RE
+
+.sp
+.SH NOTES
+.sp
+.LP
+
+While the \fBinotify\fR(5) facility is implemented for purposes of
+offering compatibility for Linux-borne applications, native
+applications may opt to use it instead of (or in addition to) the 
+\fBPORT_SOURCE_FILE\fR capability of event ports.  See
+\fBinotify\fR(5) for details and restrictions.
+
+.SH SEE ALSO
+.sp
+.LP
+\fBinotify_init\fR(3C), \fBinotify_init1\fR(3C),
+\fBport_create\fR(3C), \fBport_associate\fR(3C), \fBport_get\fR(3C),
+\fBinotify\fR(5)
diff --git a/usr/src/man/man3c/lockf.3c b/usr/src/man/man3c/lockf.3c
index 3b698f60a7..818dab24a2 100644
--- a/usr/src/man/man3c/lockf.3c
+++ b/usr/src/man/man3c/lockf.3c
@@ -1,4 +1,5 @@
 '\" te
+.\"  Copyright 2015 Joyent, Inc.
 .\"  Copyright 1989 AT&T  Copyright (c) 2002, Sun Microsystems, Inc.  All Rights Reserved  Portions Copyright (c) 1992, X/Open Company Limited  All Rights Reserved
 .\" Sun Microsystems, Inc. gratefully acknowledges The Open Group for permission to reproduce portions of its copyrighted documentation. Original documentation from The Open Group can be obtained online at
 .\" http://www.opengroup.org/bookstore/.
@@ -7,9 +8,9 @@
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH LOCKF 3C "May 27, 2014"
+.TH LOCKF 3C "Feb 16, 2015"
 .SH NAME
-lockf \- record locking on files
+lockf \- POSIX-style record locking on files
 .SH SYNOPSIS
 .LP
 .nf
@@ -22,7 +23,7 @@ lockf \- record locking on files
 .sp
 .LP
 The \fBlockf()\fR function allows sections of a file to be locked; advisory or
-mandatory write locks depending  on the mode bits of the file (see
+mandatory write locks depending on the mode bits of the file (see
 \fBchmod\fR(2)). Calls to \fBlockf()\fR from other threads that attempt to lock
 the locked file section will either return an error value or be put to sleep
 until the resource becomes unlocked. All the locks for a process are removed
@@ -54,10 +55,10 @@ All other values of \fIfunction\fR are reserved for future extensions and will
 result in an error if not implemented.
 .sp
 .LP
-\fBF_TEST\fR is used to detect if a lock by another process is present on the
-specified section. \fBF_LOCK\fR and \fBF_TLOCK\fR both lock a section of a file
-if the section is available. \fBF_ULOCK\fR removes locks from a section of the
-file.
+\fBF_TEST\fR is used to detect if a lock by another process or open file handle
+is present on the specified section. \fBF_LOCK\fR and \fBF_TLOCK\fR both lock
+a section of a file if the section is available. \fBF_ULOCK\fR removes locks
+from a section of the file.
 .sp
 .LP
 The \fIsize\fR argument is the number of contiguous bytes to be locked or
diff --git a/usr/src/man/man3c/madvise.3c b/usr/src/man/man3c/madvise.3c
index dd2a72823b..91305f6fe6 100644
--- a/usr/src/man/man3c/madvise.3c
+++ b/usr/src/man/man3c/madvise.3c
@@ -22,7 +22,10 @@ The \fBmadvise()\fR function advises the kernel that a region of user mapped
 memory in the range [\fIaddr\fR, \fIaddr\fR + \fIlen\fR) will be accessed
 following a type of pattern. The kernel uses this information to optimize the
 procedure for manipulating and maintaining the resources associated with the
-specified mapping range.
+specified mapping range. In general (and true to the name of the function),
+the advice is merely advisory, and the only user-visible ramifications
+are in terms of performance, not semantics. Note that 
+\fBMADV_PURGE\fR is an exception to this; see below for details.
 .sp
 .LP
 Values for \fIadvice\fR are defined in <\fBsys/mman.h\fR> as:
@@ -38,6 +41,7 @@ Values for \fIadvice\fR are defined in <\fBsys/mman.h\fR> as:
 #define MADV_ACCESS_DEFAULT   0x6  /* default access */
 #define MADV_ACCESS_LWP       0x7  /* next LWP to access heavily */
 #define MADV_ACCESS_MANY      0x8  /* many processes to access heavily */
+#define MADV_PURGE            0x9  /* contents will be purged */
 .fi
 .in -2
 
@@ -99,6 +103,12 @@ kernel would need to read in from the file.
 .RS 23n
 Tell the kernel that the specified address range is no longer needed, so the
 system starts to free the resources associated with the address range.
+While the semantics of \fBMADV_DONTNEED\fR are similar to other systems,
+they differ signifcantly from the semantics on Linux, where
+\fBMADV_DONTNEED\fR will actually synchronously purge the address range,
+and subsequent faults will load from either backing store or be
+zero-filled on demand. If the peculiar Linux semantics are
+desired, \fBMADV_PURGE\fR should be used in lieu of \fBMADV_DONTNEED\fR.
 .RE
 
 .sp
@@ -122,6 +132,26 @@ This value cannot be used on mappings that have underlying file objects.
 .sp
 .ne 2
 .na
+\fB\fBMADV_PURGE\fR\fR
+.ad
+.RS 23n
+Tell the kernel to purge the specified address range.  The mapping will
+be retained, but the pages themselves will be destroyed; subsequent
+faults on the range will result in the page being read from backing
+store (if file-backed) or being zero-filled on demand (if anonymous).  Note 
+that these semantics are generally inferior to \fBMADV_FREE\fR, which gives the
+system more flexibility and results in better performance
+when pages are, in fact, reused by the caller. Indeed, \fBMADV_PURGE\fR only
+exists to provide an equivalent to the unfortunate 
+\fBMADV_DONTNEED\fR semantics found in Linux, upon which some programs
+have (regretably) come to depend. In de novo applications,
+\fBMADV_PURGE\fR should be avoided; \fBMADV_FREE\fR should always be
+preferred.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fBMADV_ACCESS_LWP\fR\fR
 .ad
 .RS 23n
diff --git a/usr/src/man/man3c/psignal.3c b/usr/src/man/man3c/psignal.3c
index 655dedb022..a977fb6df4 100644
--- a/usr/src/man/man3c/psignal.3c
+++ b/usr/src/man/man3c/psignal.3c
@@ -1,16 +1,17 @@
 '\" te
 .\" Copyright 1989 AT&T.  Copyright (c) 2005, Sun Microsystems, Inc.  All Rights Reserved.
+.\" Copyright (c) 2014, Joyent, Inc.  All rights reserved.
 .\" Copyright 2015 Circonus, Inc.  All rights reserved.
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH PSIGNAL 3C "Mar 31, 2005"
+.TH PSIGNAL 3C "Aug 14, 2014"
 .SH NAME
 psignal, psiginfo \- system signal messages
 .SH SYNOPSIS
 .LP
 .nf
-#include <siginfo.h>
+#include <signal.h>
 
 \fBvoid\fR \fBpsignal\fR(\fBint\fR \fIsig\fR, \fBconst char *\fR\fIs\fR);
 .fi
@@ -28,7 +29,9 @@ that may have been  passed as the first argument to a signal handler.  The
 \fIpinfo\fR argument is a pointer to a \fBsiginfo\fR structure that may have
 been passed as the second argument to an enhanced signal handler.  See
 \fBsigaction\fR(2). The argument string \fIs\fR is printed first, followed by a
-colon and a blank, followed by the message and a \fBNEWLINE\fR character.
+colon and a blank, followed by the message and a \fBNEWLINE\fR character. If
+\fBs\fR is the value \fBNULL\fR or an empty string, then nothing is printed for
+the user's string and the colon and blank are omitted.
 .SH USAGE
 .LP
 Messages printed from these functions are in the native language specified by
diff --git a/usr/src/man/man3c/timerfd_create.3c b/usr/src/man/man3c/timerfd_create.3c
new file mode 100644
index 0000000000..167b905d1e
--- /dev/null
+++ b/usr/src/man/man3c/timerfd_create.3c
@@ -0,0 +1,181 @@
+'\" te
+.\"  Copyright (c) 2014, Joyent, Inc. All Rights Reserved.
+.\"  This file and its contents are supplied under the terms of the
+.\"  Common Development and Distribution License ("CDDL"), version 1.0.
+.\"  You may only use this file in accordance with the terms of version
+.\"  1.0 of the CDDL.
+.\" 
+.\"  A full copy of the text of the CDDL should have accompanied this
+.\"  source.  A copy of the CDDL is also available via the Internet at
+.\"  http://www.illumos.org/license/CDDL.
+.TH TIMERFD 3C "Feb 23, 2015"
+.SH NAME
+timerfd_create, timerfd_settime, timerfd_gettime \- create and manipulate
+timers via a file descriptor interface
+.SH SYNOPSIS
+
+.LP
+.nf
+#include <sys/timerfd.h>
+
+\fBint\fR \fBtimerfd_create\fR(\fBint\fR \fIclockid\fR, \fBint\fR \fIflags\fR);
+.fi
+
+.LP
+.nf
+\fBint\fR \fBtimerfd_settime\fR(\fBint\fR \fIfd\fR, \fBint\fR \fIflags\fR,
+     \fBconst struct itimerspec *restrict\fR \fIvalue\fR,
+     \fBstruct itimerspec *restrict\fR \fIovalue\fR);
+.fi
+
+.LP
+.nf
+\fBint\fR \fBtimerfd_gettime\fR(\fBint\fR \fIfd\fR, \fBstruct itimerspec *\fR\fIvalue\fR);
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+These routines create and manipulate timers in which events are associated
+with a file descriptor, allowing for timer-based events to be used
+in file-descriptor based facilities like 
+\fBpoll\fR(2), \fBport_get\fR(3C) or \fBepoll_wait\fR(3C).
+
+The \fBtimerfd_create()\fR function creates a timer with the clock
+type specified by \fIclockid\fR.  The \fBCLOCK_REALTIME\fR and
+\fBCLOCK_HIGHRES\fR clock types, as defined in \fBtimer_create\fR(3C),
+are supported by \fBtimerfd_create()\fR.  (Note that \fBCLOCK_MONOTONIC\fR
+may be used as an alias for \fBCLOCK_HIGHRES\fR.)
+
+.sp
+The \fIflags\fR argument specifies additional parameters for the
+timer instance, and can have any of the following values:
+
+.sp
+.ne 2
+.na
+\fBTFD_CLOEXEC\fR
+.ad
+.RS 12n
+Instance will be closed upon an
+\fBexec\fR(2); see \fBopen\fR(2)'s description of \fBO_CLOEXEC\fR.
+.RE
+
+.sp
+.ne 2
+.na
+\fBTFD_NONBLOCK\fR
+.ad
+.RS 12n
+Instance will be set to be non-blocking.  A \fBread\fR(2) on a
+\fBtimerfd\fR instance that has been initialized with
+\fBTFD_NONBLOCK\fR will return \fBEAGAIN\fR in lieu of blocking if the
+timer has not expired since the last \fBtimerfd_settime()\fR or successful
+\fBread()\fR.
+.RE
+
+.sp
+The following operations can be performed upon a \fBtimerfd\fR instance:
+
+.sp
+.ne 2
+.na
+\fBread\fR(2)
+.ad
+.RS 12n
+Atomically reads and clears the number of timer expirations since the
+last successful \fBread\fR(2) or \fBtimerfd_settime()\fR. Upon success,
+the number of expirations will be copied into the eight byte buffer
+passed to the system call. If there have been no expirations of the
+timer since the last successful \fBread\fR(2) or \fBtimerfd_settime()\fR,
+\fBread\fR(2) will block until at least the next expiration,
+or return \fBEAGAIN\fR if the instance was created with
+\fBTFD_NONBLOCK\fR. Note that if multiple threads are blocked in
+\fBread\fR(2) for the same timer, only one of them will return upon
+a single timer expiration.
+
+If the buffer specified to \fBread\fR(2) is less than
+eight bytes in length, \fBEINVAL\fR will be returned.
+.RE
+
+.sp
+.ne 2
+.na
+\fBpoll\fR(2), \fBport_get\fR(3C), \fBepoll_wait\fR(3C)
+.ad
+.RS 12n
+Provide notification when the timer expires or has expired in the past without
+a more recent \fBread\fR(2). Note that threads being simultaneously
+blocked in \fBread\fR(2) and \fBpoll\fR(2) (or equivalents) for the same
+timer constitute an application-level race; on a timer expiration,
+the thread blocked in \fBpoll\fR(2) may or may not return depending on how
+it is scheduled with respect to the thread blocked in \fBread\fR(2). 
+.RE
+
+.sp
+.ne 2
+.na
+\fBtimerfd_gettime()\fR
+.ad
+.RS 12n
+Returns the amount of time until the next timer expiration, with the
+same functional signature and semantics as \fBtimer_gettime\fR(3C).
+.RE
+
+.sp
+.ne 2
+.na
+\fBtimerfd_settime()\fR
+.ad
+.RS 12n
+Sets or disarms the timer, with the
+same functional signature and semantics as \fBtimer_settime\fR(3C).
+.RE
+
+.SH RETURN VALUES
+.sp
+.LP
+Upon succesful completion, a file descriptor associated with the instance
+is returned. Otherwise, -1 is returned and errno
+is set to indicate the error.
+.SH ERRORS
+.sp
+.LP
+The \fBtimerfd_create()\fR function will fail if:
+.sp
+.ne 2
+.na
+\fB\fBEINVAL\fR\fR
+.ad
+.RS 10n
+The \fIflags\fR are invalid.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEMFILE\fR\fR
+.ad
+.RS 10n
+There are currently {\fBOPEN_MAX\fR} file descriptors open in the calling
+process.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBEPERM\fR\fR
+.ad
+.RS 10n
+The \fIclock_id\fR, is \fBCLOCK_HIGHRES\fR and the
+{\fBPRIV_PROC_CLOCK_HIGHRES\fR} is not asserted in the effective set of the
+calling process.
+.RE
+
+.SH SEE ALSO
+.sp
+.LP
+\fBpoll\fR(2), \fBport_get\fR(3C), \fBepoll_wait\fR(3C),
+\fBtimer_create\fR(3C), \fBtimer_gettime\fR(3C), \fBtimer_settime\fR(3C),
+\fBprivileges\fR(5), \fBtimerfd\fR(5)
+
diff --git a/usr/src/man/man3dlpi/Makefile b/usr/src/man/man3dlpi/Makefile
index cdd24216bd..4c5448f0be 100644
--- a/usr/src/man/man3dlpi/Makefile
+++ b/usr/src/man/man3dlpi/Makefile
@@ -41,10 +41,12 @@ MANFILES= 	dlpi_arptype.3dlpi	\
 		dlpi_walk.3dlpi
 
 MANLINKS=	dlpi_disabmulti.3dlpi	\
+		dlpi_open_zone.3dlpi	\
 		dlpi_promiscoff.3dlpi
 
 dlpi_disabmulti.3dlpi	:= LINKSRC = dlpi_enabmulti.3dlpi
 
+dlpi_open_zone.3dlpi	:= LINKSRC = man3dlpi/dlpi_open.3dlpi
 dlpi_promiscoff.3dlpi	:= LINKSRC = dlpi_promiscon.3dlpi
 
 .KEEP_STATE:
diff --git a/usr/src/man/man3dlpi/dlpi_open.3dlpi b/usr/src/man/man3dlpi/dlpi_open.3dlpi
index 8129a75404..489f66066a 100644
--- a/usr/src/man/man3dlpi/dlpi_open.3dlpi
+++ b/usr/src/man/man3dlpi/dlpi_open.3dlpi
@@ -1,9 +1,10 @@
 '\" te
 .\" Copyright (c) 2008, Sun Microsystems, Inc.  All Rights Reserved
+.\" Copyright (c) 2014, Joyent, Inc.  All rights reserved.
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH DLPI_OPEN 3DLPI "Nov 17, 2008"
+.TH DLPI_OPEN 3DLPI "Feb 24, 2014"
 .SH NAME
 dlpi_open \- open DLPI link
 .SH SYNOPSIS
@@ -14,6 +15,9 @@ dlpi_open \- open DLPI link
 
 \fBint\fR \fBdlpi_open\fR(\fBconst char *\fR\fIlinkname\fR, \fBdlpi_handle_t *\fR\fIdhp\fR,
      \fBuint_t\fR \fIflags\fR);
+
+\fBint\fR \fBdlpi_open_zone\fR(\fBconst char *\fR\fIlinkname\fR, \fBconst char *\fR
+     \fIzonename\fR, \fBdlpi_handle_t *\fR\fIdhp\fR, \fBuint_t\fR \fIflags\fR);
 .fi
 
 .SH DESCRIPTION
@@ -114,6 +118,18 @@ value ensures that \fBDLPI_ETIMEDOUT\fR is returned from a \fBlibdlpi\fR
 operation only in the event that the \fBDLPI\fR link becomes unresponsive. The
 timeout value can be changed with \fBdlpi_set_timeout\fR(3DLPI), although this
 should seldom be necessary.
+
+.sp
+.LP
+The \fBdlpi_open_zone()\fR function behaves as \fBdlpi_open()\fR, except that it
+looks for the link specified by \fBlinkname\fR in the specified zone
+\fBzonename\fR as opposed to the current zone. This function is only meaningful
+from the global zone. Instead of scanning \fB/dev/net\fR, \fBdlpi_open_zone()\fR
+scans \fB/dev/net/zone/<\fIzonename\fR> for the data link and
+\fB/dev/ipnet/zone/<\fIzonename\fR> when DLPI_DEVIPNET is present in
+\fBflags\fR. If a NULL or empty string is passed into \fBdlpi_open_zone()\fR, it
+will behave as though \fBdlpi_open\fR has been called.
+
 .SH RETURN VALUES
 .sp
 .LP
@@ -124,7 +140,7 @@ section is returned.
 .SH ERRORS
 .sp
 .LP
-The \fBdlpi_open()\fR function will fail if:
+The \fBdlpi_open()\fR and \fBdlpi_open_zone()\fR function will fail if:
 .sp
 .ne 2
 .na
@@ -195,6 +211,17 @@ DLPI operation failed
 See \fBattributes\fR(5) for description of the following attributes:
 .sp
 
+.LP
+The \fBdlpi_open_zone()\fR function will fail if:
+.sp
+.ne 2
+.na
+\fB\fBDLPI_EZONENAMEINVAL\fR\fR
+.ad
+.RS 25n
+Invalid \fIzonename\fR argument
+.RE
+
 .sp
 .TS
 box;
diff --git a/usr/src/man/man3lib/Makefile b/usr/src/man/man3lib/Makefile
index fe9acebc3a..e36ee916b9 100644
--- a/usr/src/man/man3lib/Makefile
+++ b/usr/src/man/man3lib/Makefile
@@ -103,6 +103,7 @@ MANFILES= 	libMPAPI.3lib		\
 	 	libumem.3lib		\
 	 	libuuid.3lib		\
 	 	libvolmgt.3lib		\
+		libvnd.3lib		\
 	 	libw.3lib		\
 	 	libxnet.3lib		\
 	 	liby.3lib
diff --git a/usr/src/man/man3lib/libvnd.3lib b/usr/src/man/man3lib/libvnd.3lib
new file mode 100644
index 0000000000..ead69ff82e
--- /dev/null
+++ b/usr/src/man/man3lib/libvnd.3lib
@@ -0,0 +1,690 @@
+'\" te
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+.\"
+.TH LIBVND 3LIB "Mar 06, 2014"
+.SH NAME
+libvnd \- vnd library
+
+.SH SYNOPSIS
+.LP
+.nf
+cc [ flag... ] file... -lvnd [ library... ]
+#include <libvnd.h>
+.fi
+
+.SH DESCRIPTION
+.LP
+The libvnd library provides a stable and programmatic interface to
+vnd(7D) devices. vnd devices provide the means for creating a layer two
+interface over a data link, similar to the use of libdlpi(3LIB) and
+IP(7P). In dlpi parlance, a vnd device obtains data from all service
+attachment points (SAP). For ethernet devices, this means that a vnd
+device sends and receives traffic for all ethertypes. It is intended to
+be used for services such as virtual machines which emulate layer two
+devices.
+
+.LP
+Handles to vnd(7D) devices are obtained through the use of vnd_create
+and vnd_open. With a handle, I/O can be performed and properties on the
+device can be set and retrieved. I/O on devices should be performed
+through the vnd_frameio_read and vnd_frameio_write functions. A file
+descriptor suitable for use with event ports and polling may be obtained
+through vnd_pollfd. Handles are relinquished through calls to vnd_close;
+however, devices will persist until vnd_unlink has been called.
+
+.LP
+The rest of this manual documents the interfaces, properties, errors,
+and threading model for libvnd. The in-depth description of individual
+interfaces, their arguments, and examples, are in manual pages for each
+provided interface.
+
+
+.SH INTERFACES
+.sp
+.LP
+
+The shared object libvnd.so.1 provides the public interfaces defined
+below. See Intro(3) for additional information on shared object
+interfaces. Individual functions are documented in their own manual
+pages.
+
+.sp
+.TS
+l l
+l l .
+vnd_create	vnd_errno
+vnd_open	vnd_syserrno
+vnd_unlink	vnd_strerror
+vnd_close	vnd_strsyserror
+vnd_pollfd	vnd_walk
+vnd_prop_get	vnd_prop_set
+vnd_prop_iter	vnd_prop_writeable
+vnd_frameio_read	vnd_frameio_write
+.TE
+
+.SH PROPERTIES
+
+.LP
+The following table summarizes properties of a vnd device. The
+properties can be retrieved and set with the functions
+vnd_prop_get(3VND) and vnd_prop_set(3VND). Following the table, the
+structures and properties are described in greater detail.
+
+.nf
+    +-------------------+---------------------+-------+
+    | PROPERTY          |  STRUCTURE          |  PERM |
+    +-------------------+---------------------+-------+
+    | VND_PROP_RXBUF    | vnd_prop_buf_t      |  R/W  |
+    +-------------------+---------------------+-------+
+    | VND_PROP_TXBUF    | vnd_prop_buf_t      |  R/W  |
+    +-------------------+---------------------+-------+
+    | VND_PROP_MAXBUF   | vnd_prop_buf_t      |  R/-  |
+    +-------------------+---------------------+-------+
+    | VND_PROP_MINTU    | vnd_prop_buf_t      |  R/-  |
+    +-------------------+---------------------+-------+
+    | VND_PROP_MAXTU    | vnd_prop_buf_t      |  R/-  |
+    +-------------------+---------------------+-------+
+.fi
+
+.SS Structures
+
+.LP
+The vnd_prop_buf_t structure has the following members:
+
+.in +2
+.nf
+uint64_t	vpb_size;
+.fi
+.in -2
+
+.LP
+The vpb_size member refers to a size in bytes. When getting a property,
+it represents the size of that property, when setting a property, it is
+the size to set the property to.
+
+
+.SS Property Descriptions
+.sp
+.ne 2
+.na
+rxbuf
+.ad
+.sp .6
+.RS 4n
+A read/write property that controls the size of the receive buffer for
+the device. All received data enters the receive buffer until a consumer
+consumes it. If adding a received frame would exceed the size of the
+receive buffer, then that frame will be dropped. The maximum size of the
+buffer is limited by the 'maxsize' property.
+.RE
+
+.sp
+.ne 2
+.na
+txbuf
+.ad
+.sp .6
+.RS 4n
+A read/write property that controls the size of the transmit buffer. All
+in-flight transmitted data must be able to fix into the transmit buffer
+to deal with potential flow control events. If there is not enough space
+in the transmit buffer, transmit related I/O operations will either
+block or fail based on whether or not O_NONBLOCK or O_NDELAY were set
+with fcntl(2).
+.RE
+
+.sp
+.ne 2
+.na
+maxsize
+.ad
+.sp .6
+.RS 4n
+A read only property that describes the maximum size of buffers in the
+system. Properties such as rxbuf and txbuf cannot be set beyond this.
+.RE
+
+.sp
+.ne 2
+.na
+mintu
+.ad
+.sp .6
+.RS 4n
+A read only property that describes the minimum size of a frame
+transmitted to the underlying data link. Note that the minimum listed
+here may be less than the size of a valid layer two frame and therefore
+may be dropped. A frame smaller than this value will be rejected by vnd.
+.RE
+
+.sp
+.ne 2
+.na
+maxtu
+.ad
+.sp .6
+.RS 4n
+A read only property that describes the maximum size of
+a frame transmitted to the underlying data link. A frame
+larger than this value will be rejected by vnd.
+.RE
+
+
+.SH ERRORS
+.sp
+.LP
+Most interfaces provided by libvnd provide a means to retrieve a
+vnd_errno_t that describes an error that has occurred. The manuals for
+individual interfaces describe whether or not this additional error
+information is available and how to retrieve it. The following is a
+complete list of the error numbers and their names as defined in
+<sys/vnd_errno.h>. Any entries not listed here are private to the
+implementation and may change at any time.
+
+.sp
+.ne 2
+.na
+0 VND_E_SUCCESS
+.ad
+.RS 23n
+no error
+.sp
+This indicates that the operation completed successfully.
+.RE
+
+.sp
+.ne 2
+.na
+1 VND_E_NOMEM
+.ad
+.RS 23n
+not enough memory available
+.sp
+Insufficient memory was available. This is the equivalent of the
+standard system errno ENOMEM.
+.RE
+
+.sp
+.ne 2
+.na
+2 VND_E_NODATALINK
+.ad
+.RS 23n
+no such datalink
+.sp
+The data link requested to be used as part of vnd_create does not exist
+in the requested zone.
+.RE
+
+.sp
+.ne 2
+.na
+3 VND_E_NOTETHER
+.ad
+.RS 23n
+datalink not of type DL_ETHER
+.sp
+The data link used as part of a call to vnd_create is not an Ethernet
+device.  vnd_create only works with Ethernet devices at this time.
+.RE
+
+.sp
+.ne 2
+.na
+4 VND_E_DLPIINVAL
+.ad
+.RS 23n
+unknown dlpi failure
+.sp
+An unexpected DLPI message was received during vnd device
+initialization.
+.RE
+
+.sp
+.ne 2
+.na
+5 VND_E_ATTACHFAIL
+.ad
+.RS 23n
+DL_ATTACH_REQ failed
+.sp
+During vnd device initialization, the dlpi call to attach to the
+requested data link failed.
+.RE
+
+.sp
+.ne 2
+.na
+6 VND_E_BINDFAIL
+.ad
+.RS 23n
+DL_BIND_REQ failed
+.sp
+
+During vnd device initialization, the dlpi call to bind to a service
+attachment point on the data link failed.
+.RE
+
+.sp
+.ne 2
+.na
+7 VND_E_PROMISCFAIL
+.ad
+.RS 23n
+DL_PROMISCON_REQ failed
+.sp
+
+During vnd device initialization, the dlpi call to enable promiscuous
+mode on the underlying device failed.
+.RE
+
+.sp
+.ne 2
+.na
+8 VND_E_DIRECTFAIL
+.ad
+.RS 23n
+DLD_CAPAB_DIRECT enable failed
+.sp
+During vnd device initialization, the dlpi call to enable the DLD fast
+path failed.
+.RE
+
+.sp
+.ne 2
+.na
+9 VND_E_CAPACKINVAL
+.ad
+.RS 23n
+bad datalink capability
+.sp
+During vnd device initialization, the kernel responded with an invalid
+capability acknowledgement.
+.RE
+
+.sp
+.ne 2
+.na
+10 VND_E_SUBCAPINVAL
+.ad
+.RS 23n
+bad datalink subcapability
+.sp
+During vnd device initialization, the kernel responded with an invalid
+sub-capability.
+.RE
+
+.sp
+.ne 2
+.na
+11 VND_E_DLDBADVERS
+.ad
+.RS 23n
+bad dld version
+.sp
+The vnd(7D) module does not support the version of the dld capability
+that the kernel sent. As such, the data path could not be brought up and
+the device could not be fully initialized.
+.RE
+
+.sp
+.ne 2
+.na
+12 VND_E_KSTATCREATE
+.ad
+.RS 23n
+failed to create kstats
+.sp
+During vnd device initialization, the necessary kstats could not be
+created.
+.RE
+
+.sp
+.ne 2
+.na
+13 VND_E_NODEV
+.ad
+.RS 23n
+no such vnd link
+.sp
+During device initialization, the requested character device did not
+exist.
+.RE
+
+.sp
+.ne 2
+.na
+14 VND_E_NONETSTACK
+.ad
+.RS 23n
+netstack doesn't exist
+.sp
+During device initialization, the networking stack for the device did
+not exist.
+.RE
+
+.sp
+.ne 2
+.na
+15 VND_E_ASSOCIATED
+.ad
+.RS 23n
+device already associated
+.sp
+During vnd device initialization, the vnd STREAMS device was already
+associated with another vnd device.
+.RE
+
+.sp
+.ne 2
+.na
+16 VND_E_ATTACHED
+.ad
+.RS 23n
+device already attached
+.sp
+The given vnd device has already been created over a data link and
+cannot be created over another one.
+.RE
+
+.sp
+.ne 2
+.na
+17 VND_E_LINKED
+.ad
+.RS 23n
+device already linked
+.sp
+The given vnd device has already been given a name and bound into the
+file system name space.
+.RE
+
+.sp
+.ne 2
+.na
+18 VND_E_BADNAME
+.ad
+.RS 23n
+invalid name
+.sp
+The requested name is not a valid name.  Valid names are alphanumeric
+ascii names, along with the following ascii characters: ':', '\-', and
+\'_'. Names must be less than LIBVND_NAMELEN bytes including the null
+terminator.
+.RE
+
+.sp
+.ne 2
+.na
+19 VND_E_PERM
+.ad
+.RS 23n
+permission denied
+.sp
+A request was made from a non-global zone to manipulate a vnd device
+that belongs to a different zone.
+.RE
+
+.sp
+.ne 2
+.na
+20 VND_E_NOZONE
+.ad
+.RS 23n
+no such zone
+.sp
+A request was made which targeted a zone that did not exist.
+.RE
+
+.sp
+.ne 2
+.na
+21 VND_E_STRINIT
+.ad
+.RS 23n
+failed to initialize vnd stream module
+.sp
+During vnd device initialization, the vnd STREAMS module could not be
+pushed onto the data link's stream head.
+.RE
+
+.sp
+.ne 2
+.na
+22 VND_E_NOTATTACHED
+.ad
+.RS 23n
+device not attached
+.sp
+A request was made that requires a vnd device be attached to a data
+link, such as a call to change a property. The device was not attached
+to a data link.
+.RE
+
+.sp
+.ne 2
+.na
+23 VND_E_NOTLINKED
+.ad
+.RS 23n
+device not linked
+.sp
+A request was made to a vnd device that requires the vnd device to be
+named and present in /dev. The given device was not linked into /dev at
+the time of the call.
+.RE
+
+.sp
+.ne 2
+.na
+24 VND_E_LINKEXISTS
+.ad
+.RS 23n
+another device has the same link name
+.sp
+When trying to link a given vnd device into a zones /dev name space,
+another device already exists with the same name.
+.RE
+
+.sp
+.ne 2
+.na
+25 VND_E_MINORNODE
+.ad
+.RS 23n
+failed to create minor node
+.sp
+While trying to link a vnd device into the /devices and /dev name space,
+the call to ddi_create_minor_node() failed.
+.RE
+
+.sp
+.ne 2
+.na
+26 VND_E_BUFTOOBIG
+.ad
+.RS 23n
+requested buffer size is too large
+.sp
+The requested buffer size exceeds the maximum valid value for the given
+property.
+.RE
+
+.sp
+.ne 2
+.na
+27 VND_E_BUFTOOSMALL
+.ad
+.RS 23n
+requested buffer size is too small
+.sp
+The requested buffer size is less than the minimum buffer size. This
+generally occurs when making the buffer size less than the maximum
+transmission unit.
+.RE
+
+.sp
+.ne 2
+.na
+28 VND_E_DLEXCL
+.ad
+.RS 23n
+unable to obtain exclusive access to dlpi link, link busy
+.sp
+When a vnd device is created, it expects exclusive active access to the
+device.  If any other active dlpi consumers, such as IP, are already
+using the device, then the vnd device will not be created.  Passive
+consumers, such as snoop, can still use a device that has been
+exclusively opened.
+.RE
+
+.sp
+.ne 2
+.na
+28 VND_E_DIRECTNOTSUP
+.ad
+.RS 23n
+DLD direct capability not supported over data link
+.sp
+The data link that the vnd device was created over does not supported
+the DLD Direct capability. As such, the data path could not be
+initialized.
+.RE
+
+.sp
+.ne 2
+.na
+30 VND_E_BADPROPSIZE
+.ad
+.RS 23n
+invalid property size
+.sp
+The size of the data passed into vnd_prop_get or vnd_prop_set is
+incorrect and does not match the expected data size.
+.RE
+
+.sp
+.ne 2
+.na
+31 VND_E_BADPROP
+.ad
+.RS 23n
+invalid property
+.sp
+An unknown property identifier was specified. For a list of valid
+properties, see the section above entitled "PROPERTIES".
+.RE
+
+.sp
+.ne 2
+.na
+32 VND_E_PROPRDONLY
+.ad
+.RS 23n
+property is read only
+.sp
+An operation tried to update the value of a read only property. For a
+list of which properties are read only and which are readable and
+writeable, see the section above entitled "PROPERTIES".
+.RE
+
+.sp
+.ne 2
+.na
+33 VND_E_SYS
+.ad
+.RS 23n
+unexpected system error
+.sp
+This indicates that there is no vnd specific error available and that
+the system errno is valid. The system errno can be obtained and printed
+through vnd_syserrno and vnd_strsyserror. The possible values and their
+meanings are documented in Intro(2).
+.RE
+
+.sp
+.ne 2
+.na
+34 VND_E_CAPABPASS
+.ad
+.RS 23n
+capabilities invalid, pass-through module detected
+.sp
+While negotiating capabilities, a pass-through module was detected and
+the capability had to be discarded. Because of this, the data path could
+not be initialized.
+.RE
+
+
+.SH THREADING
+
+.LP
+The libvnd library is not truly MT-safe. MT-safety is provided on
+the granularity of a given vnd_handle_t. Operations on a single
+vnd_handle_t are unsafe; however, operations on different handles are
+MT-safe. If a single vnd_handle_t is used by multiple threads, it
+is the caller's responsibility to provide locking to ensure that
+multiple threads aren't simultaneously calling into libvnd on a
+single handle.
+
+
+.SH FILES
+.sp
+.ne 2
+.na
+/usr/lib/libvnd.so.1
+.ad
+.RS 27n
+shared object
+.RE
+
+.sp
+.ne 2
+.na
+/usr/lib/64/libvnd.so.1
+.ad
+.RS 27n
+64-bit shared object
+.RE
+
+.SH ATTRIBUTES
+
+.sp
+.LP
+See attributes(5) for descriptions of the following attributes:
+
+.sp
+.TS
+box;
+c | c
+l | l .
+ATTRIBUTE TYPE	ATTRIBUTE VALUE
+_
+Stability	Committed
+_
+MT-Level	See "THREADING"
+.TE
+
+.SH SEE ALSO
+
+.sp
+.LP
+attributes(5), Intro(2), fcntl(2), Intro(3), fcntl.h(3HEAD), libdlpi(3LIB), port_create(3C), vnd(7D)
+.sp
+.LP
+vnd_close(3VND), vnd_create(3VND), vnd_errno(3VND),
+vnd_frameio_read(3VND), vnd_frameio_write(3VND), vnd_open(3VND)
+vnd_pollfd(3VND), vnd_prop_get(3VND), vnd_prop_iter(3VND),
+vnd_prop_set(3VND),
+vnd_prop_writeable(3VND), vnd_walk(3VND)
diff --git a/usr/src/man/man3vnd/Makefile b/usr/src/man/man3vnd/Makefile
new file mode 100644
index 0000000000..64abf9dcd6
--- /dev/null
+++ b/usr/src/man/man3vnd/Makefile
@@ -0,0 +1,70 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet
+# at http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+#
+
+include		$(SRC)/Makefile.master
+
+MANSECT=	3vnd
+
+MANFILES=	vnd_create.3vnd 	\
+		vnd_errno.3vnd 		\
+		vnd_frameio_read.3vnd 	\
+		vnd_pollfd.3vnd 	\
+		vnd_prop_get.3vnd 	\
+		vnd_prop_iter.3vnd 	\
+		vnd_prop_writeable.3vnd	\
+		vnd_walk.3vnd
+
+MANLINKS=	frameio_t.3vnd		\
+		framevec_t.3vnd		\
+		vnd_close.3vnd		\
+		vnd_frameio_write.3vnd	\
+		vnd_open.3vnd 		\
+		vnd_prop_set.3vnd	\
+		vnd_prop_iter_f.3vnd	\
+		vnd_strerror.3vnd	\
+		vnd_strsyserror.3vnd	\
+		vnd_syserrno.3vnd	\
+		vnd_unlink.3vnd 	\
+		vnd_walk_cb_f.3vnd
+
+# vnd_create.3vnd
+vnd_open.3vnd		:= LINKSRC = vnd_create.3vnd
+vnd_unlink.3vnd		:= LINKSRC = vnd_create.3vnd
+vnd_close.3vnd		:= LINKSRC = vnd_create.3vnd
+
+# vnd_errno.3vnd
+vnd_strerror.3vnd	:= LINKSRC = vnd_errno.3vnd
+vnd_syserrno.3vnd	:= LINKSRC = vnd_errno.3vnd 
+vnd_strsyserror.3vnd	:= LINKSRC = vnd_errno.3vnd 
+
+# vnd_frameio_read.3vnd
+vnd_frameio_write.3vnd	:= LINKSRC = vnd_frameio_read.3vnd 
+framevec_t.3vnd		:= LINKSRC = vnd_frameio_read.3vnd
+frameio_t.3vnd		:= LINKSRC = vnd_frameio_read.3vnd
+
+# vnd_prop_get.3vnd
+vnd_prop_set.3vnd	:= LINKSRC = vnd_prop_get.3vnd
+
+# vnd_prop_iter.3vnd
+vnd_prop_iter_f.3vnd	:= LINKSRC = vnd_prop_iter.3vnd
+
+# vnd_walk.3vnd
+vnd_walk_cb_f.3vnd	:= LINKSRC = vnd_walk.3vnd
+
+.KEEP_STATE:
+
+include		$(SRC)/man/Makefile.man
+
+install:	$(ROOTMANFILES) $(ROOTMANLINKS)
diff --git a/usr/src/man/man3vnd/vnd_create.3vnd b/usr/src/man/man3vnd/vnd_create.3vnd
new file mode 100644
index 0000000000..d29237a60c
--- /dev/null
+++ b/usr/src/man/man3vnd/vnd_create.3vnd
@@ -0,0 +1,280 @@
+'\" te
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+.\"
+.TH VND_CREATE 3VND "Feb 21, 2014"
+
+.SH NAME
+
+vnd_create, vnd_open, vnd_unlink, vnd_close \- create, open, and destroy
+vnd devices
+
+.SH SYNOPSIS
+
+.LP
+.nf
+cc [ flag... ] file... -lvnd [ library... ]
+#include <libvnd.h>
+
+vnd_handle_t *vnd_create(const char *zonename, const char *datalink,
+    const char *linkname, vnd_errno_t *vnderr, int *syserr);
+
+vnd_handle_t *vnd_open(const char *zonename, const char *linkname,
+    vnd_errno_t *vnderr, int *syserr);
+
+int vnd_unlink(vnd_handle_t *vhp);
+
+void vnd_close(vnd_handle_t *vhp);
+.fi
+
+
+.SH DESCRIPTION
+.LP
+These functions create vnd devices, obtain handles to extant vnd
+devices, and close handles to vnd devices, for use with the rest of
+libvnd(3LIB).
+
+.LP
+The vnd_create function creates a new vnd device in the zone specified
+by zonename. The zone name argument may be null, in which case the
+caller's current zone is used instead. The vnd device and data link it
+is created over must both be in the same zone. The datalink argument
+indicates the name of the DLPI data link to create the vnd device over.
+The linkname argument indicates the name of the new vnd device.  The
+linkname argument must be less than VND_NAMELEN characters long,
+excluding the null terminator. It should be an alphanumeric string.  The
+only non-alphanumeric characters allowed are ':', '-', and \'_'.
+Neither the datalink argument nor linkname argument may be NULL. A
+handle to the created device is returned to the caller. Once the
+vnd_create function returns, the device can be subsequently opened with
+a call to vnd_open. The named device persists until a call to vnd_unlink
+or the containing zone is halted. Creating a vnd device requires
+PRIV_SYS_NET_CONFIG as well as PRIV_RAWACCESS. The arguments vnderr and
+syserr are used to obtain errors in the cases where the call to
+vnd_create fails. Both arguments may be NULL pointers, in which case the
+more detailed error information is discarded.
+
+.LP
+The vnd_open function opens an existing vnd device and returns a
+unique handle to that device. The vnd device to open is specified by
+both zonename and linkname. The zonename argument specifies what zone
+to look for the vnd device in. The linkname specifies the name of the
+link. The zonename argument may be NULL. If it is, the current zone is
+used. Similar to vnd_create, the integer values pointed to by the
+arguments vnderr and syserr will be filled in with additional error
+information in the cases where a call to vnd_open fails. Both
+arguments may be NULL to indicate that the error information is not
+requested, though this is not recommended.
+
+.LP
+The vnd_unlink function unlinks the vnd device specified by the vnd
+handle vhp. This unlink is similar to the use of unlink in a file
+system. After a call to unlink, the vnd device will no longer be
+accessible by callers to vnd_open and the name will be available for
+use in vnd_create. However, the device will continue to exist until
+all handles to the device have been closed.
+
+.LP
+The vnd_close function relinquishes the vnd device referenced by the
+handle vhp. After a call to vnd_close, the handle is invalidated and
+must not be used by the consumer again. The act of calling vnd_close
+on a handle does not remove the device. The device is persisted as
+long as vnd_unlink has not been called on the device or the containing
+zone has not been destroyed.
+
+.SH RETURN VALUES
+
+.LP
+Upon successful completion, the functions vnd_create and vnd_open
+return a pointer to a vnd_handle_t. This handle is used for all
+subsequent library operations. If either function fails, then a NULL
+pointer is returned and more detailed error information is filled into
+the integers pointed to by vnderr and syserr. The vnderr and syserr
+correspond to the values that would normally be returned by a call to
+vnd_errno(3VND) and vnd_syserrno(3VND). For the full list of possible
+errors see libvnd(3LIB).
+
+.LP
+The vnd_unlink function returns zero on success and -1 on failure. On
+failure, the vnd and system errnos are updated and available through
+the vnd_errno(3VND) and vnd_syserrno(3VND) functions.
+
+.LP
+The vnd_close function does not return any values nor does it set
+vnderr or syserr. The handle passed to vnd_close can no longer be
+used.
+
+.SH EXAMPLES
+.LP
+Example 1  Creating a device
+.sp
+.LP
+
+The following sample C program shows how to create a vnd device over
+an existing datalink named "net0" that other applications can open
+and use as "vnd0".
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+#include <stdio.h>
+
+int
+main(void)
+{
+	vnd_handle_t *vhp;
+	vnd_errno_t vnderr;
+	int syserr;
+
+	/* Errors are considered fatal */
+	vhp = vnd_create(NULL, "net0", "vnd0", &vnderr, &syserr);
+
+	if (vhp == NULL) {
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to create device: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to create device: %s",
+			    vnd_strerror(vnderr));
+		return (1);
+	}
+
+	(void) printf("successfully created vnd0\n");
+	vnd_close(vhp);	
+	return (0);
+}
+.fi
+.in -2
+
+.LP
+Example 2  Opening an existing device in another zone
+.sp
+.LP
+
+The following sample C program opens the device named "vnd1" in the zone
+named "turin" for further use.
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+#include <stdio.h>
+
+int
+main(void)
+{
+	vnd_handle_t *vhp;
+	vnd_errno_t vnderr;
+	int syserr, ret;
+
+	vhp = vnd_open("turin", "vnd1", &vnderr, &syserr);
+	if (vhp != NULL) {
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strerror(vnderr));
+		return (1);
+	}
+
+	/*
+	 * Use the device vnd1 with the handle vhp with any of
+	 * the other interfaces documented in libvnd(3LIB) here.
+	 *
+	 * After an arbitrary amount of code, the program will
+	 * set the variable ret with the exit code for the
+	 * program and should execute the following code before
+	 * returning.
+	 */
+	vnd_close(vhp);
+	return (ret);
+}
+.fi
+.in -2
+
+
+.LP
+Example 3  Removing a device
+.sp
+.LP
+
+The following sample C program removes a vnd device named vnd0. This
+program makes it so no additional programs can access the device.
+However, if anyone is actively using it, it will still exist,
+similar to calling unlink(2).
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+#include <stdio.h>
+
+int
+main(void)
+{
+	vnd_handle_t *vhp;
+	vnd_errno_t vnderr;
+	int syserr, ret;
+
+	vhp = vnd_open(NULL, "vnd0", &vnderr, &syserr);
+	if (vhp != NULL) {
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strerror(vnderr));
+		return (1);
+	}
+
+	if (vnd_unlink(vhp) != 0) {
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to unlink device: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to unlink device: %s",
+			    vnd_strerror(vnderr));
+		ret = 1;
+	} else {
+		(void) printf("successfully unlinked vnd0!\n");
+		ret = 0;
+	}
+
+	vnd_close(vhp);
+	return (ret);
+}
+.fi
+.in -2
+
+.SH ATTRIBUTES
+.sp
+.LP
+See attributes(5) for descriptions of the following attributes:
+
+.sp
+.TS
+box;
+c | c
+l | l .
+ATTRIBUTE TYPE	ATTRIBUTE VALUE
+_
+Stability	Committed
+_
+MT-Level	See "THREADING" in libvnd(3LIB)
+.TE
+
+.SH SEE ALSO
+
+libvnd(3LIB), vnd_errno(3VND), vnd_syserrno(3VND), attributes(5), privileges(5)
diff --git a/usr/src/man/man3vnd/vnd_errno.3vnd b/usr/src/man/man3vnd/vnd_errno.3vnd
new file mode 100644
index 0000000000..ddd6126dd1
--- /dev/null
+++ b/usr/src/man/man3vnd/vnd_errno.3vnd
@@ -0,0 +1,170 @@
+'\" te
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+.\"
+.TH VND_ERRNO 3VND "Feb 21, 2014"
+
+.SH NAME
+
+vnd_errno, vnd_syserrno, vnd_strerror, vnd_strsyserror \- obtain and
+translate vnd errors
+
+
+.SH SYNOPSIS
+
+.LP
+.nf
+cc [ flag... ] file... -lvnd [ library... ]
+#include <libvnd.h>
+
+uint32_t vnd_errno(vnd_handle_t *vhp);
+
+const char *vnd_strerror(vnd_errno_t err);
+
+int vnd_syserrno(vnd_handle_t *vhp);
+
+const char *vnd_strsyserror(int syserr);
+.fi
+
+.SH DESCRIPTION
+
+.LP
+The libvnd(3LIB) library supports a complementary array of errors that
+give more specific error information than the traditional set of
+system errors available via errno(3C). When an error occurs, consumers
+should call the vnd_errno function first and check its value. If the
+value of the vnd_errno_t is VND_E_SYS, then the system errno should be
+checked. If the vnd_errno_t is not VND_E_SYS, then the contents of the
+system errno returned from vnd_syserrno are undefined. Both the vnd
+and system errors are only valid for a given handle after a libvnd
+library function returned an error and before another libvnd library
+function is called on the same handle. The act of making an additional
+function call with the same vnd_handle_t invalidates any prior vnd or
+system error numbers. For the full list of valid vnd errors see
+libvnd(3LIB). For the full list of valid system errors, see Intro(2).
+
+.LP
+The vnd_errno and vnd_syserrno functions retrieve the most recent vnd
+and syserr error number respectively from a vnd handle vhp.
+
+.LP
+The vnd_strerror function translates a vnd_errno_t err to a
+corresponding string and returns a pointer to that constant string.
+
+.LP
+The vnd_syserrno function is analogous to the vnd_strerror function,
+except that it translates a system error back to a string.
+
+
+.SH RETURN VALUES
+
+.LP
+The vnd_errno function returns a vnd_errno_t which contains the vnd
+error information.
+
+.LP
+The vnd_syserror function returns an integer which contains the system
+error information. These values are the same as those returned by
+errno(3C).
+
+.LP
+The vnd_strerror function returns a pointer to a constant string. If
+the error passed in is unknown, the string "unknown error" is
+returned.
+
+.LP
+The vnd_strsyserror function returns a pointer to the translated
+constant string. If an unknown error number is passed, it returns the
+string "Unknown error". If an error occurs, it returns a NULL pointer.
+
+.SH EXAMPLES
+
+.LP
+Example 1  Obtaining errors from a vnd_handle_t
+
+.sp
+.LP
+The following sample C function, which can be incorporated into a larger
+program, shows how to obtain the vnd and system errors from a
+vnd_handle_t after a vnd interface on a handle failed.
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+
+static void
+print_errnos(vnd_handle_t *vhp)
+{
+	vnd_errno_t vnderr;
+	int syserr;
+
+	vnderr = vnd_errno(vhp);
+	syserr = vnd_syserrno(vhp);
+
+	(void) printf("vnd err: %d, sys err: %d\n",
+	    vnderr, syserr);
+}
+.fi
+.in -2
+
+.LP
+Example 2   A perror-like function
+
+.sp
+.LP
+The following sample C function which can be incorporated into a
+larger program shows how to write a perror-like function to print
+out error messages for a vnd device.
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+
+static void
+sample_perror(const char *msg, vnd_error_t vnderr, int syserr)
+{
+	(void) fprintf(stderr, "%s: %s", msg,
+	    vnderr != VND_E_SYS ? vnd_strerror(vnderr) :
+	    vnd_strsyserror(syserr));
+}
+.fi
+.in -2
+
+.SH ATTRIBUTES
+.sp
+.LP
+See attributes(5) for descriptions of the following attributes:
+
+.sp
+.TS
+box;
+c | c
+l | l .
+ATTRIBUTE TYPE	ATTRIBUTE VALUE
+_
+Stability	Committed
+_
+MT-Level	See below
+.TE
+
+.LP
+The MT-Level of the functions vnd_strerror and vnd_strsyserror is
+MT-Safe. See "THREADING" in libvnd(3LIB) for a discussion of the
+MT-Level of vnd_errno and vnd_syserrno.
+
+
+.SH SEE ALSO
+
+Intro(2), errno(3C), libvnd(3LIB), attributes(5)
diff --git a/usr/src/man/man3vnd/vnd_frameio_read.3vnd b/usr/src/man/man3vnd/vnd_frameio_read.3vnd
new file mode 100644
index 0000000000..5fc65c96a3
--- /dev/null
+++ b/usr/src/man/man3vnd/vnd_frameio_read.3vnd
@@ -0,0 +1,705 @@
+'\" te
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+.\"
+.TH VND_FRAMEIO_READ 3VND "Mar 06, 2014"
+
+.SH NAME
+
+vnd_frameio_read, vnd_frameio_write \- perform framed I/O to a vnd device
+
+.SH SYNOPSIS
+
+.LP
+.nf
+cc [ flag... ] file... -lvnd [ library... ]
+#include <libvnd.h>
+
+int vnd_frameio_read(vnd_handle_t *vhp, frameio_t *fiop);
+
+int vnd_frameio_write(vnd_handle_t *vhp, frameio_t *fiop);
+.fi
+
+.SH DESCRIPTION
+.LP
+Framed I/O is a general means to manipulate data that is inherently
+framed, meaning that there is a maximum frame size, but the data may
+often be less than that size. As an example, an Ethernet device's MTU
+describes the maximum frame size, but the size of an individual frame
+is often much less. You can read a single frame at a time, or you can
+read multiple frames in a single call.
+
+In addition, framed I/O allows the consumer to break individual frames
+into a series of vectors. This is analogous to the use of an iovec(9S)
+with readv(2) and writev(2).
+
+vnd_frameio_read performs a framed I/O read of the device represented by
+the handle vhp, with the framed I/O data described by fiop.
+vnd_frameio_write works in the same manner, except performing a write
+instead of a read.
+
+.LP
+The basic vector component of the frameio_t is the framevec_t. Each
+framevec_t represents a single vector entry. An array of these is
+present in the frameio_t. The framevec_t structure has the following
+members:
+
+.in +2
+.nf
+void		*fv_buf		/* data buffer */
+size_t	fv_buflen;	/* total size of buffer */
+size_t	fv_actlen;	/* amount of buffer consumed */
+.fi
+.in -2
+
+.LP
+The fv_buf member points to a buffer which contains the data for this
+individual vector. When reading, data is consumed from fv_buf. When
+writing, data is written into fv_buf.
+
+The fv_buflen should indicate the total amount of data that is in the
+buffer. When reading, it indicates the size of the buffer. It must be
+set prior to calling vnd_frameio_read(). When writing, it indicates the
+amount of data that is valid in the buffer.
+
+The fv_actlen is a read-only member. It is set on successful return of
+the functions vnd_frameio_read and vnd_frameio_write. When reading, it
+is updated with the amount of data that was read into fv_buf. When
+writing, it is instead updated with the amount of data from fv_buf that
+was actually consumed. Generally when writing data, a framevec_t will
+either be entirely consumed or it will not be consumed at all.
+
+
+.LP
+A series of framevec_t's is encapsulated in a frameio_t. The frameio_t
+structure has the following members:
+
+.in +2
+.nf
+uint_t		fio_version;	/* current version */
+uint_t		fio_nvpf;		/* number of vectors in one frame */
+uint_t		fio_nvecs;	/* The total number of vectors */
+framevec_t	fio_vecs[];	/* vectors */
+.fi
+.in -2
+
+.LP
+The fio_version member represents the current version of the frameio_t.
+The fio_version should be set to the macro FRAMEIO_CURRENT_VERSION,
+which is currently 1.
+
+The members fio_nvpf and fio_nvecs describe the number of frames that
+exist. fio_nvecs describes the total number of vectors that are present
+in fio_vecs.  The upper bound on this is described by FRAMEIO_NVECS_MAX
+which is currently 32. fio_nvpf describe the number of vectors that
+should be used to make up each frame. By setting fio_vecs to be an even
+multiple of fio_nvpf, multiple frames can be read or written in a single
+call.
+
+After a call to vnd_frameio_read or vnd_frameio_write fio_nvecs is
+updated with total number of vectors read or written to. This value can
+be divided by fio_nvpf to determine the total number of frames that were
+written or read.
+
+.LP
+Each frame can be broken down into a series of multiple vectors. As an
+example, someone might want to break Ethernet frames into mac headers
+and payloads. The value of fio_nvpf would be set to two, to indicate
+that a single frame consists of two different vector components. The
+member fio_nvecs describes the total number of frames. As such, the
+value of fio_vecs divided by fio_nvpf describes the total number of
+frames that can be consumed in one call. As a result of this, fio_nvpf
+must evenly divide fio_vecs. If fio_nvpf is set to two and
+fio_nvecs is set to ten, then a total of five frames can be processed
+at once, each frame being broken down into two different vector
+components.
+
+A given frame will never overflow the number of vectors described by
+fio_nvpf. Consider the case where each vector component has a buffer
+sized to 1518 bytes, fio_nvpf is set to one, and fio_nvecs is set to
+three. If a call to vnd_frameio_read is made and four 500 byte Ethernet
+frames come in, then each frame will be mapped to a single vector. The
+500 bytes will be copied into fio_nvecs[i]->fio_buf and
+fio_nvecs[i]->fio_actlen will be set to 500. To contrast this, if
+readv(2) had been called, the first three frames would all be in the
+first iov and the fourth frame's first eight bytes would be in the first
+iov and the remaining in the second.
+
+.LP
+The user must properly initialize fio_nvecs framevec_t's worth of the
+fio_vecs array. When multiple vectors comprise a frame, fv_buflen data
+is consumed before moving onto the next vector. Consider the case
+where the user wants to break a vector into three different
+components, an 18 byte vector for an Ethernet VLAN header, a 20 byte
+vector for an IPv4 header, and a third 1500 byte vector for the
+remaining payload. If a frame was received that only had 30 bytes,
+then the first 18 bytes would fill up the first vector, the remaining
+12 bytes would fill up the IPv4 header. If instead a 524 byte frame
+came in, then the first 18 bytes would be placed in the first vector,
+the next 24 bytes would be placed in the next vector, and the remaining
+500 bytes in the third.
+
+.LP
+The functions vnd_frameio_read and vnd_frameio_write operate in both
+blocking and non-blocking mode. If either O_NONBLOCK or O_NDELAY have
+been set on the file descriptor, then the I/O will behave in
+non-blocking mode. When in non-blocking mode, if no data is available
+when vnd_frameio_read is called, EAGAIN is returned. When
+vnd_frameio_write is called in non-blocking mode, if sufficient buffer
+space to hold all of the output frames is not available, then
+vnd_frameio_write will return EAGAIN. To know when the given vnd device
+has sufficient space, the device fires POLLIN/POLLRDNORM when data is
+available for read and POLLOUT/POLLRDOUT when space in the buffer has
+opened up for write. These events can be watched for through
+port_associate(3C) and similar routines with a file descriptor returned
+from vnd_polfd(3VND).
+
+.LP
+When non-blocking mode is disabled, calls to vnd_frameio_read will
+block until some amount of data is available. Calls to
+vnd_frameio_write will block until sufficient buffer space is
+available.
+
+.LP
+Similar to read(2) and write(2), vnd_frameio_read and
+vnd_frameio_write make no guarantees about the ordering of data when
+multiple threads simultaneously call the interface. While the data
+itself will be atomic, the ordering of multiple simultaneous calls is
+not defined.
+
+.SH RETURN VALUES
+
+.LP
+The vnd_frameio_read function returns zero on success. The member
+fio_nvecs of fiop is updated with the total number of vectors that had
+data read into them. Each updated framevec_t will have the buffer
+pointed to by fv_buf filled in with data, and fv_actlen will be
+updated with the amount of valid data in fv_buf.
+
+.LP
+The vnd_frameio_write function returns zero on success. The member
+fio_nvecs of fiop is updated with the total number of vectors that
+were written out to the underlying datalink. The fv_actlen of each
+vector is updated to indicate the amount of data that was written from
+that buffer.
+
+.LP
+On failure, both vnd_frameio_read and vnd_frameio_write return -1. The
+vnd and system error numbers are updated and available via
+vnd_errno(3VND) and vnd_syserrno(3VND). See ERRORS below for a list of
+errors and their meaning.
+
+
+.SH ERRORS
+.LP
+The functions vnd_frameio_read and vnd_frameio_write always set the
+vnd error to VND_E_SYS. The following system errors will be
+encountered:
+
+.sp
+.ne 2
+.na
+EAGAIN
+.ad
+.RS 10n
+Insufficient system memory was available for the operation.
+.sp
+Non-blocking mode was enabled and during the call to vnd_frameio_read,
+no data was available. Non-blocking mode was enabled and during the call
+to vnd_frameio_write, insufficient buffer space was available.
+.RE
+
+.sp
+.ne 2
+.na
+ENXIO
+.ad
+.RS 10n
+The vnd device referred to by vhp is not currently attached to an
+underlying data link and cannot send data.
+.RE
+
+.sp
+.ne 2
+.na
+EFAULT
+.ad
+.RS 10n
+The fiop argument points to an illegal address or the fv_buf members of
+the framevec_t's associated with the fiop member fio_vecs point to
+illegal addresses.
+.RE
+
+.sp
+.ne 2
+.na
+EINVAL
+.ad
+.RS 10n
+The fio_version member of fiop was unknown, the number of vectors
+specified by fio_nvecs is zero or greater than FRAMEIO_NVECS_MAX,
+fio_nvpf equals zero, fio_nvecs is not evenly divisible by fio_nvpf, or
+a buffer in fio_vecs[] has set fv_buf or fv_buflen to zero.
+.RE
+
+
+.sp
+.ne 2
+.na
+EINTR
+.ad
+.RS 10n
+A signal was caught during vnd_frameio_read or vnd_frameio_write, and no
+data was transferred.
+.RE
+
+
+.sp
+.ne 2
+.na
+EOVERFLOW
+.ad
+.RS 10n
+During vnd_frameio_read, the size of a frame specified by fiop->fio_nvpf
+and fiop->fio_vecs[].fv_buflen cannot contain a frame.
+.sp
+In a ILP32 environment, more data than UINT_MAX would be set in
+fv_actlen.
+.RE
+
+
+.sp
+.ne 2
+.na
+ERANGE
+.ad
+.RS 10n
+During vnd_frameio_write, the size of a frame is less than the device's
+minimum transmission unit or it is larger than the size of the maximum
+transmission unit.
+.RE
+
+
+.SH EXAMPLES
+
+.LP
+Example 1    Read a single frame with a single vector
+
+.sp
+.LP
+The following sample C program opens an existing vnd device named
+"vnd0" in the current zone and performs a blocking read of a single
+frame from it.
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+#include <stdio.h>
+
+int
+main(void)
+{
+	vnd_handle_t *vhp;
+	vnd_errno_t vnderr;
+	int syserr, i;
+	frameio_t *fiop;
+
+	fiop = malloc(sizeof (frameio_t) + sizeof (framevec_t));
+	if (fiop == NULL) {
+		perror("malloc frameio_t");
+		return (1);
+	}
+	fiop->fio_version = FRAMEIO_CURRENT_VERSION;
+	fiop->fio_nvpf = 1;
+	fiop->fio_nvecs = 1;
+	fiop->fio_vecs[0].fv_buf = malloc(1518);
+	fiop->fio_vecs[0].fv_buflen = 1518;
+	if (fiop->fio_vecs[0].fv_buf == NULL) {
+		perror("malloc framevec_t.fv_buf");
+		free(fiop);
+		return (1);
+	}
+
+	vhp = vnd_open(NULL, "vnd1", &vnderr, &syserr);
+	if (vhp != NULL) {
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strerror(vnderr));
+		free(fiop->fio_vecs[0].fv_buf);
+		free(fiop);
+		return (1);
+	}
+
+	if (frameio_read(vhp, fiop) != 0) {
+		vnd_errno_t vnderr = vnd_errno(vhp);
+		int syserr = vnd_syserrno(vhp);
+
+		/* Most consumers should retry on EINTR */
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to read: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to read: %s",
+			    vnd_strerror(vnderr));
+		vnd_close(vhp);
+		free(fiop->fio_vecs[0].fv_buf);
+		free(fiop);
+		return (1);
+	}
+
+	
+	/* Consume the data however it's desired */
+	(void) printf("received %d bytes\n", fiop->fio_vecs[0].fv_actlen);
+	for (i = 0; i < fiop->fio_vecs[0].fv_actlen)
+		(void) printf("%x ", fiop->fio_vecs[0].fv_buf[i]);
+
+	vnd_close(vhp);
+	free(fiop->fio_vecs[0].fv_buf);
+	free(viop);
+	return (0);
+}
+.fi
+.in -2
+
+.LP
+Example 2    Write a single frame with a single vector
+.sp
+.LP
+The following sample C program opens an existing vnd device named
+"vnd0" in the current zone and performs a blocking write of a single
+frame to it.
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+#include <stdio.h>
+#include <string.h>
+
+int
+main(void)
+{
+	vnd_handle_t *vhp;
+	vnd_errno_t vnderr;
+	int syserr;
+	frameio_t *fiop;
+
+	fiop = malloc(sizeof (frameio_t) + sizeof (framevec_t));
+	if (fiop == NULL) {
+		perror("malloc frameio_t");
+		return (1);
+	}
+	fiop->fio_version = FRAMEIO_CURRENT_VERSION;
+	fiop->fio_nvpf = 1;
+	fiop->fio_nvecs = 1;
+	fiop->fio_vecs[0].fv_buf = malloc(1518);
+	if (fiop->fio_vecs[0].fv_buf == NULL) {
+		perror("malloc framevec_t.fv_buf");
+		free(fiop);
+		return (1);
+	}
+
+	/*
+	 * Fill in your data however you desire. This is an entirely
+	 * invalid frame and while the frameio write may succeed, the
+	 * networking stack will almost certainly drop it.
+	 */
+	(void) memset(fiop->fio_vecs[0].fv_buf, 'r', 1518);
+	fiop->fio_vecs[0].fv_buflen = 1518;
+
+	vhp = vnd_open(NULL, "vnd0", &vnderr, &syserr);
+	if (vhp != NULL) {
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strerror(vnderr));
+		free(fiop->fio_vecs[0].fv_buf);
+		free(fiop);
+		return (1);
+	}
+
+	if (frameio_write(vhp, fiop) != 0) {
+		/* Most consumers should retry on EINTR */
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to write: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to write: %s",
+			    vnd_strerror(vnderr));
+		vnd_close(vhp);
+		free(fiop->fio_vecs[0].fv_buf);
+		free(fiop);
+		return (1);
+	}
+
+	
+	(void) printf("wrote %d bytes\n", fiop->fio_vecs[0].fv_actlen);
+
+	vnd_close(vhp);
+	free(fiop->fio_vecs[0].fv_buf);
+	free(viop);
+	return (0);
+}
+.fi
+.in -2
+
+.LP
+Example 3    Read frames comprised of multiple vectors
+.sp
+.LP
+The following sample C program is similar to example 1, except instead
+of reading a single frame consisting of a single vector it reads
+multiple frames consisting of two vectors. The first vector has room for
+an 18 byte VLAN enabled Ethernet header and the second vector has room
+for a 1500 byte payload.
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+#include <stdio.h>
+
+int
+main(void)
+{
+	vnd_handle_t *vhp;
+	vnd_errno_t vnderr;
+	int syserr, i, nframes;
+	frameio_t *fiop;
+
+	/* Allocate enough framevec_t's for 5 frames */
+	fiop = malloc(sizeof (frameio_t) + sizeof (framevec_t) * 10);
+	if (fiop == NULL) {
+		perror("malloc frameio_t");
+		return (1);
+	}
+	fiop->fio_version = FRAMEIO_CURRENT_VERSION;
+	fiop->fio_nvpf = 2;
+	fiop->fio_nvecs = 10;
+	for (i = 0; i < 10; i += 2) {
+		fiop->fio_vecs[i].fv_buf = malloc(18);
+		fiop->fio_vecs[i].fv_buflen = 18;
+		if (fiop->fio_vecs[i].fv_buf == NULL) {
+			perror("malloc framevec_t.fv_buf");
+			/* Perform appropriate memory cleanup */
+			return (1);
+		}
+		fiop->fio_vecs[i+1].fv_buf = malloc(1500);
+		fiop->fio_vecs[i+1].fv_buflen = 1500;
+		if (fiop->fio_vecs[i+1].fv_buf == NULL) {
+			perror("malloc framevec_t.fv_buf");
+			/* Perform appropriate memory cleanup */
+			return (1);
+		}
+	}
+
+	vhp = vnd_open(NULL, "vnd1", &vnderr, &syserr);
+	if (vhp != NULL) {
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strerror(vnderr));
+		/* Perform appropriate memory cleanup */
+		return (1);
+	}
+
+	if (frameio_read(vhp, fiop) != 0) {
+		/* Most consumers should retry on EINTR */
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to read: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to read: %s",
+			    vnd_strerror(vnderr));
+		vnd_close(vhp);
+		/* Perform appropriate memory cleanup */
+		return (1);
+	}
+
+	/* Consume the data however it's desired */
+	nframes = fiop->fio_nvecs / fiop->fio_nvpf;
+	(void) printf("consumed %d frames!\n", nframes);
+	for (i = 0; i < nframes; i++) {
+		(void) printf("received %d bytes of Ethernet Header\n",
+		    fiop->fio_vecs[i].fv_actlen);
+		(void) printf("received %d bytes of payload\n",
+		    fiop->fio_vecs[i+1].fv_actlen);
+	}
+
+	vnd_close(vhp);
+	/* Do proper memory cleanup */
+	return (0);
+}
+.fi
+.in -2
+
+.LP
+Example 4    Perform non-blocking reads of multiple frames with a
+single vector
+.sp
+.LP
+In this sample C program, opens an existing vnd device named "vnd0" in
+the current zone, ensures that it is in non-blocking mode, and uses
+event ports to do device reads.
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+#include <stdio.h>
+#include <port.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/tpyes.h>
+#include <fcntl.h>
+
+int
+main(void)
+{
+	vnd_handle_t *vhp;
+	vnd_errno_t vnderr;
+	int syserr, i, nframes, port, vfd;
+	frameio_t *fiop;
+
+	port = port_create();
+	if (port < 0) {
+		perror("port_create");
+		return (1);
+	}
+	/* Allocate enough framevec_t's for 10 frames */
+	fiop = malloc(sizeof (frameio_t) + sizeof (framevec_t) * 10);
+	if (fiop == NULL) {
+		perror("malloc frameio_t");
+		(void) close(port);
+		return (1);
+	}
+	fiop->fio_version = FRAMEIO_CURRENT_VERSION;
+	fiop->fio_nvpf = 1;
+	fiop->fio_nvecs = 10;
+	for (i = 0; i < 10; i++) {
+		fiop->fio_vecs[i].fv_buf = malloc(1518);
+		fiop->fio_vecs[i].fv_buflen = 1518;
+		if (fiop->fio_vecs[i].fv_buf == NULL) {
+			perror("malloc framevec_t.fv_buf");
+			/* Perform appropriate memory cleanup */
+			(void) close(port);
+			return (1);
+		}
+	}
+
+	vhp = vnd_open(NULL, "vnd1", &vnderr, &syserr);
+	if (vhp != NULL) {
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strerror(vnderr));
+		/* Perform appropriate memory cleanup */
+		(void) close(port);
+		return (1);
+	}
+	vfd = vnd_pollfd(vhp);
+	if (fcntl(fd, F_SETFL, O_NONBLOCK) != 0) {
+		(void) fprintf(stderr, "failed to enable non-blocking mode: %s",
+		    strerrror(errno));
+	}
+
+	for (;;) {
+		port_event_t pe;
+
+		if (port_associate(port, PORT_SOURCE_FD, vfd, POLLIN,
+		    vhp) != 0) {
+			perror("port_associate");
+			vnd_close(vhp);
+			/* Perform appropriate memory cleanup */
+			(void) close(port);
+			return (1);
+		}
+
+		if (port_get(port, &pe, NULL) != 0) {
+			if (errno == EINTR)
+				continue;
+			perror("port_associate");
+			vnd_close(vhp);
+			/* Perform appropriate memory cleanup */
+			(void) close(port);
+			return (1);
+		}
+
+		/*
+		 * Most real applications will need to compare the file
+		 * descriptor and switch on it. In this case, assume
+		 * that the fd in question that is readable is 'vfd'.
+		 */
+		if (frameio_read(pe.portev_user, fiop) != 0) {
+			vnd_errno_t vnderr = vnd_errno(vhp);
+			int syserr = vnd_syserrno(vhp);
+
+			if (vnderr == VND_E_SYS && (syserr == EINTR ||
+			    syserr == EAGAIN))
+				continue;
+			(void) fprintf(stderr, "failed to get read: %s",
+			    vnd_strsyserror(vnderr));
+			vnd_close(vhp);
+			/* Perform appropriate memory cleanup */
+			(void) close(port);
+			return (1);
+		}
+
+		/* Consume the data however it's desired */
+		nframes = fiop->fio_nvecs / fiop->fio_nvpf;
+		for (i = 0; i < nframes; i++) {
+			(void) printf("frame %d is %d bytes large\n", i,
+			    fiop->fio_vecs[i].fv_actlen);
+		}
+
+	}
+
+	vnd_close(vhp);
+	/* Do proper memory cleanup */
+	return (0);
+}
+.fi
+.in -2
+
+.SH ATTRIBUTES
+.LP
+See attributes(5) for descriptions of the following attributes:
+
+.sp
+.TS
+box;
+c | c
+l | l .
+ATTRIBUTE TYPE	ATTRIBUTE VALUE
+_
+Stability	Committed
+_
+MT-Level	See "THREADING" in libvnd(3LIB)
+.TE
+
+
+.SH SEE ALSO
+
+Intro(2), getmsg(2), read(2), readv(2), write(2), writev(2),
+libvnd(3VND), vnd_errno(3VND), vnd_pollfd(3VND), vnd_syserrno(3VND),
+iovec(9S)
diff --git a/usr/src/man/man3vnd/vnd_pollfd.3vnd b/usr/src/man/man3vnd/vnd_pollfd.3vnd
new file mode 100644
index 0000000000..500d3bac99
--- /dev/null
+++ b/usr/src/man/man3vnd/vnd_pollfd.3vnd
@@ -0,0 +1,155 @@
+'\" te
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+.\"
+.TH VND_POLLFD 3VND "Feb 21, 2014"
+
+.SH NAME
+
+vnd_pollfd \- get file descriptor for polling
+
+.SH SYNOPSIS
+
+.LP
+.nf
+cc [ flag... ] file... -lvnd [ library... ]
+#include <libvnd.h>
+
+int vnd_pollfd(vnd_handle_t *vhp);
+.fi
+
+.SH DESCRIPTION
+.LP
+The vnd_pollfd() function returns an integer id which corresponds to
+the file descriptor that represents the underlying device that is
+associated with the vnd handle vhp. This file descriptor is suitable
+for use with port_associate(3C) and similar polling techniques such as
+poll(2). Use of the file descriptor outside of these uses may cause
+undocumented behavior from the rest of the library.
+
+.LP
+The file descriptor in question is still managed by libvnd. The caller
+must not call close(2) on it. Once vnd_close(3VND) has been called,
+any further use of the file descriptor is undefined behavior.
+
+
+.SH RETURN VALUES
+.LP
+The function returns the integer id of the file descriptor that
+corresponds to the underlying vnd device.
+
+.SH EXAMPLES
+
+.LP
+Example 1   Use event ports for vnd notifications
+.sp
+.LP
+The following sample C program shows how to use the vnd_pollfd
+function with event ports to be notified whenever there is data
+available to be read. This program assumes that a vnd device named
+"vnd0" exists in the current zone. For an example of creating the
+device, see Example 1 in vnd_create(3VND).
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+#include <port.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+int
+main(void)
+{
+	vnd_handle_t *vhp;
+	vnd_errno_t vnderr;
+	int port, syserr, vfd, ret;
+
+	port = port_create();
+	if (port < 0) {
+		perror("port_create");
+		return (1);	
+	}
+
+	vhp = vnd_open(NULL, "vnd0", &vnderr, &syserr);
+	if (vhp == NULL) {
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strerror(vnderr));
+		(void) close(port);
+		return (1);
+	}
+
+	vfd = vnd_pollfd(vhp);
+	if (fcntl(vfd, F_SETFL, O_NONBLOCK) != 0) {
+		perror("fcntl");
+		vnd_close(vhp);
+		(void) close(port);
+		return (1);
+	}
+
+	if (port_associate(port, PORT_SOURCE_FD, vfd, POLLIN, NULL) != 0) {
+		perror("port_associate");
+		vnd_close(vhp);
+		(void) close(port);
+		return (1);
+	}
+
+	for (;;) {
+		port_event_t pe;
+
+
+		if (port_get(port, &pe, NULL) != 0) {
+			if (errno == EINTR)
+				continue;
+			perror("port_get");
+			vnd_close(vhp);
+			(void) close(port);
+			return (1);
+		}
+
+		/*
+		 * Read the data with vnd_frameio_read(3VND) and
+		 * optionally break out of the loop or continue to the
+		 * next iteration and reassociate vfd with the event
+		 * port.
+		 */
+	}	
+}
+.fi
+.in -2
+
+.SH ATTRIBUTES
+.sp
+.LP
+See attributes(5) for descriptions of the following attributes:
+
+.sp
+.TS
+box;
+c | c
+l | l .
+ATTRIBUTE TYPE	ATTRIBUTE VALUE
+_
+Stability	Committed
+_
+MT-Level	See "THREADING" in libvnd(3LIB)
+.TE
+
+.SH SEE ALSO
+
+close(2), poll(2), port_create(3C), libvnd(3LIB), vnd_close(3VND)
diff --git a/usr/src/man/man3vnd/vnd_prop_get.3vnd b/usr/src/man/man3vnd/vnd_prop_get.3vnd
new file mode 100644
index 0000000000..e47698c85e
--- /dev/null
+++ b/usr/src/man/man3vnd/vnd_prop_get.3vnd
@@ -0,0 +1,242 @@
+'\" te
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+.\"
+.TH VND_PROP_GET 3VND "Feb 21, 2014"
+
+.SH NAME
+
+vnd_prop_get, vnd_prop_set \- get and set vnd properties
+
+.SH SYNOPSIS
+
+.LP
+.nf
+cc [ flag... ] file... -lvnd [ library... ]
+#include <libvnd.h>
+
+int vnd_prop_get(vnd_handle_t *vhp, vnd_prop_t prop, void *buf, size_t len);
+
+int vnd_prop_set(vnd_handle_t *vhp, vnd_prop_t prop, void *buf, size_t len);
+.fi
+
+.SH DESCRIPTION
+.LP
+The vnd_prop_get and vnd_prop_set functions are used to retrieve
+and set property values on the vnd_handle_t referred to by vhp. The
+property to get or set is specified by the argument prop. The
+argument buf and the size of buf, in len, should be a pointer to the
+appropriate structure for the property as defined in libvnd(3LIB).
+
+.LP
+All of the supported properties are listed and described in the
+libvnd(3LIB) manual page.
+
+
+.SH RETURN VALUES
+.LP
+On success, the vnd_prop_get and vnd_prop_set functions return zero.
+On failure, they return -1 and additional error information is
+available through vnd_errno(3VND) and vnd_syserrno(3VND).
+
+.LP
+When vnd_prop_get returns successfully, the contents of buf are
+filled in with the value of the corresponding property. The contents
+of buf should not change across a call to vnd_prop_set.
+
+.SH EXAMPLES
+
+.LP
+Example 1   Getting the value of the rxbuf property
+.LP
+The following sample C program retrieves the value of the
+rxbuf property and prints it to standard out.
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+#include <stdio.h>
+
+int
+main(void)
+{
+	vnd_handle_t *vhp;
+	vnd_errno_t vnderr;
+	int syserr;
+	vnd_prop_buf_t vpb;
+
+	vhp = vnd_open(NULL, "vnd1", &vnderr, &syserr);
+	if (vhp != NULL) {
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strerror(vnderr));
+		return (1);
+	}
+
+	if (vnd_prop_get(vhp, VND_PROP_RXBUF, &vpn, sizeof (vpn)) != 0) {
+		vnderr = vnd_errno(vhp);
+		syserr = vnd_syserrno(vhp);
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to get VND_PROP_RXBUF: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to get VND_PROP_RXBUF: %s",
+			    vnd_strerror(vnderr));
+		return (1);
+	}
+
+	(void) printf("recieve buffer size is %d bytes\n", vpb.vpb_size);
+
+	vnd_close(vnd);
+	return (0);
+}
+.fi
+.in -2
+
+.LP
+EXAMPLE 2    Setting a property
+.LP
+This sample C program sets the property VND_PROP_RXBUF to the value of
+4200 bytes.
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+#include <stdio.h>
+
+int
+main(void)
+{
+	vnd_handle_t *vhp;
+	vnd_errno_t vnderr;
+	int syserr;
+	vnd_prop_buf_t vpb;
+
+	vhp = vnd_open(NULL, "vnd1", &vnderr, &syserr);
+	if (vhp != NULL) {
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strerror(vnderr));
+		return (1);
+	}
+
+	vpb.vpb_size = 4200;
+	if (vnd_prop_set(vhp, VND_PROP_RXBUF, &vpb, sizeof (vpb)) != 0) {
+		vnderr = vnd_errno(vhp);
+		syserr = vnd_syserrno(vhp);
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to set VND_PROP_RXBUF: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to set VND_PROP_RXBUF: %s",
+			    vnd_strerror(vnderr));
+		return (1);
+	}
+
+	(void) printf("successfully set VND_PROP_RXBUF to 4200\n");
+
+	vnd_close(vnd);
+	return (0);
+}
+.fi
+.in -2
+
+.LP
+Example 3    Setting a property to the value of another.
+.LP
+In this sample C program, we set the VND_PROP_TXBUF to the maximum
+allowable size as determined by the read-only property VND_PROP_MAXBUF.
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+#include <stdio.h>
+
+int
+main(void)
+{
+	vnd_handle_t *vhp;
+	vnd_errno_t vnderr;
+	int syserr;
+	vnd_prop_buf_t vpb;
+
+	vhp = vnd_open(NULL, "vnd1", &vnderr, &syserr);
+	if (vhp != NULL) {
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strerror(vnderr));
+		return (1);
+	}
+
+	if (vnd_prop_get(vhp, VND_PROP_MAXBUF, &vpb, sizeof (vpb)) != 0) {
+		vnderr = vnd_errno(vhp);
+		syserr = vnd_syserrno(vhp);
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to get VND_PROP_MAXBUF: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to get VND_PROP_MAXBUF: %s",
+			    vnd_strerror(vnderr));
+		return (1);
+	}
+
+	if (vnd_prop_set(vhp, VND_PROP_TXBUF, &vpb, sizeof (vpb)) != 0) {
+		vnderr = vnd_errno(vhp);
+		syserr = vnd_syserrno(vhp);
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to set VND_PROP_TXBUF: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to set VND_PROP_TXBUF: %s",
+			    vnd_strerror(vnderr));
+		return (1);
+	}
+
+	(void) printf("successfully set VND_PROP_TXBUF to %d\n", vpb.vpb_size);
+
+	vnd_close(vnd);
+	return (0);
+}
+.fi
+
+.SH ATTRIBUTES
+.sp
+.LP
+See attributes(5) for descriptions of the following attributes:
+
+.sp
+.TS
+box;
+c | c
+l | l .
+ATTRIBUTE TYPE	ATTRIBUTE VALUE
+_
+Stability	Committed
+_
+MT-Level	See "THREADING" in libvnd(3LIB)
+.TE
+
+.SH SEE ALSO
+libvnd(3VND), vnd_errno(3VND, vnd_syserrno(3VND)
diff --git a/usr/src/man/man3vnd/vnd_prop_iter.3vnd b/usr/src/man/man3vnd/vnd_prop_iter.3vnd
new file mode 100644
index 0000000000..29221734c5
--- /dev/null
+++ b/usr/src/man/man3vnd/vnd_prop_iter.3vnd
@@ -0,0 +1,148 @@
+'\" te
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+.\"
+.TH VND_PROP_ITER 3VND "Feb 21, 2014"
+
+.SH NAME
+
+vnd_prop_iter \- iterate vnd properties
+
+.SH SYNOPSIS
+
+.LP
+.nf
+cc [ flag... ] file... -lvnd [ library... ]
+#include <libvnd.h>
+
+typedef int (vnd_prop_iter_f)(vnd_handle_t *vhp, vnd_prop_t prop,
+    void *cbarg);
+
+int vnd_prop_iter(vnd_handle_t *vhp, vnd_prop_iter_f cb,
+    void *arg);
+.fi
+
+.SH DESCRIPTION
+.LP
+The vnd_prop_iter function iterates over all the available properties
+for the vnd handle vhp and calls the user supplied callback function
+cb. The argument arg is passed directly to the callback function.
+
+.LP
+The function specified by cb receives three arguments. The first, vhp,
+is the same vnd library handle that was passed to vnd_prop_iter. During
+the callback, the consumer should not call vnd_close(3VND). Doing so
+will lead to undefined and undocumented behavior. The second argument,
+prop, is the current property. While vnd_prop_iter guarantees that all
+properties will be recieved, it does not guarantee the order of them.
+The final argument, cbarg, is the same argument that the caller passed
+in during arg.
+
+.LP
+The return value of the callback function cb indicates whether or not
+property iteration should continue. To continue iteration, the
+function cb should return zero. Otherwise, to stop property iteration
+it should return non-zero.
+
+.SH RETURN VALUES
+
+.LP
+On success, the function vnd_prop_iter returns zero. If the callback
+function returned non-zero to terminate iteration, vnd_prop_iter will
+instead return one. In the case of library failure, vnd_prop_iter will
+return -1. In such cases, the vnd and system errors will be updated
+and available via vnd_errno(3VND) and vnd_syserrno(3VND).
+
+.SH EXAMPLES
+
+.LP
+Example 1    Print writeable properties
+
+.LP
+The following sample C program walks over every vnd property and
+prints out whether the property is read-only or read-write for the
+vnd device "vnd1" in the current zone.
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+static int
+print_prop(vnd_handle_t *vhp, vnd_prop_t prop, void *unused)
+{
+	boolean_t canwrite;
+
+	if (vnd_prop_writeable(vhp, &canwrite) != 0)
+		abort();
+
+	(void) printf("prop %d is %s", prop, canwrite == B_TRUE ? "rw" : "r-");
+	return (0);
+}
+
+int
+main(void)
+{
+	vnd_handle_t *vhp;
+	vnd_errno_t vnderr;
+	int syserr;
+
+	vhp = vnd_open(NULL, "vnd1", &vnderr, &syserr);
+	if (vhp != NULL) {
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strerror(vnderr));
+		return (1);
+	}
+
+	if (vnd_prop_iter(vhp, print_prop, NULL) != 0) {
+		vnderr = vnd_errno(vhp);
+		syserr = vnd_syserrno(vhp);
+		if (vnderr == VND_E_SYS)
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strsyserror(syserr));
+		else
+			(void) fprintf(stderr, "failed to open device: %s",
+			    vnd_strerror(vnderr));
+		return (1);
+	}
+
+	vnd_close(vnd);
+	return (0);
+}
+.fi
+.in -2
+
+.SH ATTRIBUTES
+.sp
+.LP
+See attributes(5) for descriptions of the following attributes:
+
+.sp
+.TS
+box;
+c | c
+l | l .
+ATTRIBUTE TYPE	ATTRIBUTE VALUE
+_
+Stability	Committed
+_
+MT-Level	See "THREADING" in libvnd(3LIB)
+.TE
+
+libvnd(3LIB), vnd_close(3VND), vnd_errno(3VND), vnd_syserrno(3VND)
diff --git a/usr/src/man/man3vnd/vnd_prop_writeable.3vnd b/usr/src/man/man3vnd/vnd_prop_writeable.3vnd
new file mode 100644
index 0000000000..c23414718b
--- /dev/null
+++ b/usr/src/man/man3vnd/vnd_prop_writeable.3vnd
@@ -0,0 +1,101 @@
+'\" te
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+.\"
+.TH VND_PROP_WRITEABLE 3VND "Feb 21, 2014"
+
+.SH NAME
+
+vnd_prop_writeable \- determine if a vnd property can be updated
+
+.SH SYNOPSIS
+
+.LP
+.nf
+cc [ flag... ] file... -lvnd [ library... ]
+#include <libvnd.h>
+
+int vnd_prop_writeable(vnd_prop_t prop, boolean_t *wp);
+.fi
+
+
+.SH DESCRIPTION
+.LP
+The vnd_prop_writeable function is used as a programmatic means to
+determine whether a given vnd property is writeable or not. The
+property to check is specified in prop and should be from the list
+described in libvnd(3VND). The argument wp is a pointer to a boolean_t
+which will be updated upon the successful completion of the function.
+The argument wp must be a valid pointer. If a property is writeable
+than the value pointed to by wp is set to B_TRUE. If the property is
+read-only, then the value is set to B_FALSE.
+
+
+.SH RETURN VALUES
+.LP
+On success, vnd_prop_writeable returns zero and the value pointed to
+by wp is updated with whether the property is writeable. If the
+property prop does not exist, then vnd_prop_writeable will return -1.
+
+.SH EXAMPLES
+.LP
+Example 1    Check whether the property VND_PROP_TXBUF is writable
+.LP
+The following sample C program checks whether the vnd property
+VND_PROP_TXBUF is writeable or not.
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int
+main(void)
+{
+	boolean_t canwrite;
+
+	if (vnd_prop_writeable(VND_PROP_TXBUF, &prop) != 0)
+		abort();
+
+	if (canwrite == B_TRUE)
+		(void) printf("VND_PROP_TXBUF is writeable\n");
+	else
+		(void) printf("VND_PROP_TXBUF is read only\n");
+
+	return (0);
+}
+.fi
+.in -2
+
+.SH ATTRIBUTES
+.sp
+.LP
+See attributes(5) for descriptions of the following attributes:
+
+.sp
+.TS
+box;
+c | c
+l | l .
+ATTRIBUTE TYPE	ATTRIBUTE VALUE
+_
+Stability	Committed
+_
+MT-Level	MT-Safe
+.TE
+
+.SH SEE ALSO
+
+vndadm(1M), libvnd(3VND)
diff --git a/usr/src/man/man3vnd/vnd_walk.3vnd b/usr/src/man/man3vnd/vnd_walk.3vnd
new file mode 100644
index 0000000000..bed53130d3
--- /dev/null
+++ b/usr/src/man/man3vnd/vnd_walk.3vnd
@@ -0,0 +1,155 @@
+'\" te
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+.\"
+.TH VND_CREATE 3VND "Feb 21, 2014"
+
+.SH NAME
+
+vnd_walk \- walk all vnd devices
+
+
+.SH SYNOPSIS
+
+.LP
+.nf
+cc [ flag... ] file... -lvnd [ library... ]
+#include <libvnd.h>
+
+typedef int (*vnd_walk_cb_f)(vnd_info_t *viip, void *cbarg);
+
+int vnd_walk(vnd_walk_cb_t cb, void *arg, vnd_errno_t *vnderr, int *syserr);
+.fi
+
+
+.SH DESCRIPTION
+.LP
+The vnd_walk() function fires the callback function cb once for every
+vnd device that is visible in the current zone. If the caller is in
+the global zone, then all vnd devices in all zones will be walked. If
+the caller is in a non-global zone, then only the devices in that zone
+will be visible.
+
+.LP
+The function cb will be called with two arguments. The first argument,
+viip, is a pointer to a structure that contains information about the
+link. The second argument to the function cb, cbarg, is the same
+argument that is passed to the function vnd_walk as arg. To continue
+the function cb should return zero. If the function cb returns
+non-zero the walk will terminate.
+
+.LP
+As the vnd_walk function does not have a handle, errors are returned
+in vnderr and syserr. Both vnderr and syserr are allowed to be NULL
+pointers. If either one is a NULL pointer, then error information for
+that class of error will not be returned. It is not recommended that
+consumers supply NULL pointers.
+
+.LP
+The vnd_info_t structure contains the following members:
+
+.in +2
+.nf
+uint32_t	vi_version
+zoneid_t	vi_zone
+char		vi_name[LIBVND_NAMELEN];
+char		vi_datalink[LIBVND_NAMELEN];
+.fi
+.in -2
+
+.LP
+The member vi_version is guaranteed to be the first member of the
+structure. This number indicates the current revision of the structure
+and is set to the integer value 1. More properties may be added in
+future releases. Those properties will be tied to a greater version
+number so software knows whether or not it is legal to access them.
+
+.LP
+The vi_zone field indicates the zone id that the vnd device exists in.
+The vi_name field is the name of the vnd device. If the vnd_device is
+not linked, the name field is set to "<unknown>". The vi_datalink
+field is filled in with the name of the data link the vnd device is on
+top of.
+
+
+.SH RETURN VALUES
+
+.LP
+The vnd_walk function will return zero on success. If the consumer
+supplied callback function returned non-zero, then the vnd_walk
+function will return 1. If an error occurred, -1 is returned, and if
+vnderr and syserr are non-null, they are filled in with their
+respective error values. See vnd_errno(3VND) for more information on
+these errors.
+
+.SH EXAMPLES
+
+.LP
+Example 1  Walk all devices and print information about them
+
+.LP
+The following sample C program walks every vnd device and prints out
+information about them.
+
+.sp
+.in +2
+.nf
+#include <libvnd.h>
+#include <stdio.h>
+
+static int
+print_entry(vnd_info_t *viip, void *unused)
+{
+	(void) printf("device %s over data link %s in zone %d\n",
+	    viip->vi_name, viip->vi_datalink, viip->vi_zone);
+	return (0);
+}
+
+int
+main(void)
+{
+	vnd_errno_t vnderr;
+	int syserr;
+
+	if (vnd_walk(print_entry, NULL, &vnderr, &syserr) != 0) {
+		(void) fprintf(stderr, "failed to walk vnd devices: %s\n",
+		    vnderr != VND_E_SYS ? vnd_strerror(vnderr) :
+		    vnd_strsyserror(syserr));
+		return (1);
+	}
+
+	return (0);
+}
+.fi
+.in -2
+
+.SH ATTRIBUTES
+.sp
+.LP
+See attributes(5) for descriptions of the following attributes:
+
+.sp
+.TS
+box;
+c | c
+l | l .
+ATTRIBUTE TYPE	ATTRIBUTE VALUE
+_
+Stability	Committed
+_
+MT-Level	MT-Safe
+.TE
+
+.SH SEE ALSO
+
+libvnd(3VND), vnd_errno(3VND), attributes(5), zones(5)
diff --git a/usr/src/man/man3xnet/Makefile b/usr/src/man/man3xnet/Makefile
index 81cd96cba3..cc231f60c4 100644
--- a/usr/src/man/man3xnet/Makefile
+++ b/usr/src/man/man3xnet/Makefile
@@ -62,6 +62,7 @@ MANLINKS=	getaddrinfo.3xnet	\
 		getservbyname.3xnet	\
 		getservbyport.3xnet	\
 		getservent.3xnet	\
+		htonll.3xnet		\
 		htons.3xnet		\
 		if_freenameindex.3xnet	\
 		if_indextoname.3xnet	\
@@ -73,6 +74,7 @@ MANLINKS=	getaddrinfo.3xnet	\
 		inet_ntoa.3xnet		\
 		inet_pton.3xnet		\
 		ntohl.3xnet		\
+		ntohll.3xnet		\
 		ntohs.3xnet		\
 		sethostent.3xnet	\
 		setnetent.3xnet		\
@@ -97,6 +99,7 @@ getservbyname.3xnet	:= LINKSRC = endservent.3xnet
 getservbyport.3xnet	:= LINKSRC = endservent.3xnet
 getservent.3xnet	:= LINKSRC = endservent.3xnet
 
+htonll.3xnet		:= LINKSRC = htonl.3xnet
 htons.3xnet		:= LINKSRC = htonl.3xnet
 
 if_freenameindex.3xnet	:= LINKSRC = if_nametoindex.3xnet
@@ -112,6 +115,7 @@ inet_ntoa.3xnet		:= LINKSRC = inet_addr.3xnet
 inet_pton.3xnet		:= LINKSRC = inet_ntop.3xnet
 
 ntohl.3xnet		:= LINKSRC = htonl.3xnet
+ntohll.3xnet		:= LINKSRC = htonl.3xnet
 ntohs.3xnet		:= LINKSRC = htonl.3xnet
 
 sethostent.3xnet	:= LINKSRC = endhostent.3xnet
diff --git a/usr/src/man/man3xnet/htonl.3xnet b/usr/src/man/man3xnet/htonl.3xnet
index aa8470a28e..dda4586eb7 100644
--- a/usr/src/man/man3xnet/htonl.3xnet
+++ b/usr/src/man/man3xnet/htonl.3xnet
@@ -7,7 +7,8 @@
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH HTONL 3XNET "Jun 10, 2002"
+.\" Portions Copyright (c) 2012 Joyent, Inc.  All rights reserved.
+.TH HTONL 3XNET "Jan 03, 2013"
 .SH NAME
 htonl, htons, ntohl, ntohs \- convert values between host and network byte
 order
@@ -22,6 +23,11 @@ order
 
 .LP
 .nf
+\fBuint64_t\fR \fBhtonll\fR(\fBuint64_t\fR \fIhostlonglong\fR);
+.fi
+
+.LP
+.nf
 \fBuint16_t\fR \fBhtons\fR(\fBuint16_t\fR \fIhostshort\fR);
 .fi
 
@@ -32,18 +38,23 @@ order
 
 .LP
 .nf
+\fBuint64_t\fR \fBntohll\fR(\fBuint64_t\fR \fInetlonglong\fR);
+.fi
+
+.LP
+.nf
 \fBuint16_t\fR  \fBntohs\fR(\fBuint16_t\fR \fI netshort\fR);
 .fi
 
 .SH DESCRIPTION
 .sp
 .LP
-These functions convert 16-bit and 32-bit quantities between network byte order
-and host byte order.
+These functions convert 16-bit, 32-bit, and 64-bit quantities between network
+byte order and host byte order.
 .sp
 .LP
-The  \fBuint32_t\fR and  \fBuint16_t\fR types are made available by inclusion
-of \fB<inttypes.h>\fR\&.
+The \fBuint32_t\fR, \fBuint16_t\fR, and \fBuint64_t\fR types are made available
+by inclusion of \fB<inttypes.h>\fR\&.
 .SH USAGE
 .sp
 .LP
@@ -56,12 +67,12 @@ value of their argument.
 .SH RETURN VALUES
 .sp
 .LP
-The \fBhtonl()\fR and \fBhtons()\fR functions return the argument value
-converted from host to network byte order.
+The \fBhtonl()\fR, \fBhtonll()\fR, and \fBhtons()\fR functions return the
+argument value converted from host to network byte order.
 .sp
 .LP
-The \fBntohl()\fR and \fBntohs()\fR functions return the argument value
-converted from network to host byte order.
+The \fBntohl()\fR, \fBntohll()\fR, and \fBntohs()\fR functions return the
+argument value converted from network to host byte order.
 .SH ERRORS
 .sp
 .LP
diff --git a/usr/src/man/man4/Makefile b/usr/src/man/man4/Makefile
index d179643b98..4ba45bd662 100644
--- a/usr/src/man/man4/Makefile
+++ b/usr/src/man/man4/Makefile
@@ -12,6 +12,7 @@
 #
 # Copyright 2011, Richard Lowe
 # Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
+# Copyright 2015, Joyent, Inc.
 #
 
 include		$(SRC)/Makefile.master
@@ -82,6 +83,10 @@ _MANFILES=	Intro.4				\
 		ib.4				\
 		ike.config.4			\
 		ike.preshared.4			\
+		ipf.4				\
+		ipmon.4				\
+		ipnat.4				\
+		ippool.4			\
 		inet_type.4			\
 		inetd.conf.4			\
 		init.4				\
@@ -133,6 +138,7 @@ _MANFILES=	Intro.4				\
 		nsmbrc.4			\
 		nss.4				\
 		nsswitch.conf.4			\
+		overlay_files.4			\
 		packingrules.4			\
 		pam.conf.4			\
 		passwd.4			\
@@ -224,6 +230,10 @@ _MANLINKS=	addresses.4			\
 		hosts.allow.4			\
 		hosts.deny.4			\
 		intro.4				\
+		ipf.conf.4			\
+		ipmon.conf.4			\
+		ipnat.conf.4			\
+		ippool.conf.4			\
 		md.cf.4				\
 		mdi_ib_cache.4			\
 		mdi_scsi_vhci_cache.4		\
@@ -264,6 +274,14 @@ rhosts.4			:= LINKSRC = hosts.equiv.4
 hosts.allow.4			:= LINKSRC = hosts_access.4
 hosts.deny.4			:= LINKSRC = hosts_access.4
 
+ipf.conf.4			:= LINKSRC = ipf.4
+
+ipmon.conf.4			:= LINKSRC = ipmon.4
+
+ipnat.conf.4			:= LINKSRC = ipnat.4
+
+ippool.conf.4			:= LINKSRC = ippool.4
+
 fbtab.4				:= LINKSRC = logindevperm.4
 
 md.cf.4				:= LINKSRC = md.tab.4
diff --git a/usr/src/man/man4/ipf.4 b/usr/src/man/man4/ipf.4
new file mode 100644
index 0000000000..e93753881b
--- /dev/null
+++ b/usr/src/man/man4/ipf.4
@@ -0,0 +1,562 @@
+'\" te
+.\" To view license terms, attribution, and copyright for IP Filter, the
+.\" default path is /usr/lib/ipf/IPFILTER.LICENCE. If the Illumos operating
+.\" environment has been installed anywhere other than the default, modify the
+.\" given path to access the file at the installed location.
+.\" Portions Copyright (c) 2015, Joyent, Inc.
+.TH IPF 4
+.SH NAME
+ipf, ipf.conf, ipf6.conf \- IP packet filter rule syntax
+.SH DESCRIPTION
+.PP
+A rule file for \fBipf\fP may have any name or even be stdin.  As
+\fBipfstat\fP produces parsable rules as output when displaying the internal
+kernel filter lists, it is quite plausible to use its output to feed back
+into \fBipf\fP.  Thus, to remove all filters on input packets, the following
+could be done:
+.nf
+
+\fC# ipfstat \-i | ipf \-rf \-\fP
+.fi
+.SH GRAMMAR
+.PP
+The format used by \fBipf\fP for construction of filtering rules can be
+described using the following grammar in BNF:
+\fC
+.nf
+filter-rule = [ insert ] action in-out [ options ] [ tos ] [ ttl ]
+	      [ proto ] ip [ group ].
+
+insert	= "@" decnumber .
+action	= block | "pass" | log | "count" | skip | auth | call .
+in-out	= "in" | "out" .
+options	= [ log ] [ tag ] [ "quick" ] [ "on" interface-name [ dup ]
+           [ froute ] [ replyto ] ] .
+tos	= "tos" decnumber | "tos" hexnumber .
+ttl	= "ttl" decnumber .
+proto	= "proto" protocol .
+ip	= srcdst [ flags ] [ with withopt ] [ icmp ] [ keep ] .
+group	= [ "head" decnumber ] [ "group" decnumber ] .
+
+block	= "block" [ return-icmp[return-code] | "return-rst" ] .
+log	= "log" [ "body" ] [ "first" ] [ "or-block" ] [ "level" loglevel ] .
+tag     = "tag" tagid .
+skip	= "skip" decnumber .
+auth	= "auth" | "preauth" .
+call	= "call" [ "now" ] function-name .
+dup	= "dup-to" interface-name [ ":" ipaddr ] .
+froute	= "fastroute" | "to" interface-name [ ":" ipaddr ] .
+replyto = "reply-to" interface-name [ ":" ipaddr ] .
+protocol = "tcp/udp" | "udp" | "tcp" | "icmp" | decnumber .
+srcdst	= "all" | fromto .
+fromto	= "from" [ "!" ] object "to" [ "!" ] object .
+
+return-icmp = "return-icmp" | "return-icmp-as-dest" .
+return-code = "(" icmp-code ")" .
+object	= addr [ port-comp | port-range ] .
+addr	= "any" | nummask | host-name [ "mask" ipaddr | "mask" hexnumber ] .
+addr	= "any" | "<thishost>" | nummask |
+	  host-name [ "mask" ipaddr | "mask" hexnumber ] .
+port-comp = "port" compare port-num .
+port-range = "port" port-num range port-num .
+flags	= "flags" flag { flag } [ "/" flag { flag } ] .
+with	= "with" | "and" .
+icmp	= "icmp-type" icmp-type [ "code" decnumber ] .
+return-code = "(" icmp-code ")" .
+keep	= "keep" "state" [ "(" state-options ")" ] | "keep" "frags" .
+loglevel = facility"."priority | priority .
+
+nummask	= host-name [ "/" decnumber ] .
+host-name = ipaddr | hostname | "any" .
+ipaddr	= host-num "." host-num "." host-num "." host-num .
+host-num = digit [ digit [ digit ] ] .
+port-num = service-name | decnumber .
+state-options = state-opts [ "," state-options ] .
+
+state-opts = "age" decnumber [ "/" decnumber ] | "strict" |
+             "no-icmp-err" | "limit" decnumber | "newisn" | "sync" .
+withopt = [ "not" | "no" ] opttype [ withopt ] .
+opttype = "ipopts" | "short" | "frag" | "opt" optname .
+optname	= ipopts [ "," optname ] .
+ipopts  = optlist | "sec-class" [ secname ] .
+secname	= seclvl [ "," secname ] .
+seclvl  = "unclass" | "confid" | "reserv-1" | "reserv-2" | "reserv-3" |
+	  "reserv-4" | "secret" | "topsecret" .
+icmp-type = "unreach" | "echo" | "echorep" | "squench" | "redir" |
+	    "timex" | "paramprob" | "timest" | "timestrep" | "inforeq" |
+	    "inforep" | "maskreq" | "maskrep"  | decnumber .
+icmp-code = decumber | "net-unr" | "host-unr" | "proto-unr" | "port-unr" |
+	    "needfrag" | "srcfail" | "net-unk" | "host-unk" | "isolate" |
+	    "net-prohib" | "host-prohib" | "net-tos" | "host-tos" |
+	    "filter-prohib" | "host-preced" | "cutoff-preced" .
+optlist	= "nop" | "rr" | "zsu" | "mtup" | "mtur" | "encode" | "ts" |
+	  "tr" | "sec" | "lsrr" | "e-sec" | "cipso" | "satid" | "ssrr" |
+	  "addext" | "visa" | "imitd" | "eip" | "finn" .
+facility = "kern" | "user" | "mail" | "daemon" | "auth" | "syslog" |
+	   "lpr" | "news" | "uucp" | "cron" | "ftp" | "authpriv" |
+	   "audit" | "logalert" | "local0" | "local1" | "local2" |
+	   "local3" | "local4" | "local5" | "local6" | "local7" .
+priority = "emerg" | "alert" | "crit" | "err" | "warn" | "notice" |
+	   "info" | "debug" .
+
+hexnumber = "0" "x" hexstring .
+hexstring = hexdigit [ hexstring ] .
+decnumber = digit [ decnumber ] .
+
+compare = "=" | "!=" | "<" | ">" | "<=" | ">=" | "eq" | "ne" | "lt" |
+	  "gt" | "le" | "ge" .
+range	= "<>" | "><" .
+hexdigit = digit | "a" | "b" | "c" | "d" | "e" | "f" .
+digit	= "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" .
+flag	= "F" | "S" | "R" | "P" | "A" | "U" .
+.fi
+.PP
+This syntax is somewhat simplified for readability, some combinations
+that match this grammar are disallowed by the software because they do
+not make sense (such as tcp \fBflags\fP for non-TCP packets).
+.SH FILTER RULES
+.PP
+The "briefest" valid rules are (currently) no-ops and are of the form:
+.nf
+       block in all
+       pass in all
+       log out all
+       count in all
+.fi
+.PP
+Filter rules are checked in order, with the last matching rule
+determining the fate of the packet (but see the \fBquick\fP option,
+below).
+.PP
+Filters are installed by default at the end of the kernel's filter
+lists, prepending the rule with \fB@n\fP will cause it to be inserted
+as the n'th entry in the current list. This is especially useful when
+modifying and testing active filter rulesets. See \fBipf\fP(1M) for more
+information.
+.SH ACTIONS
+.PP
+The action indicates what to do with the packet if it matches the rest
+of the filter rule. Each rule MUST have an action. The following
+actions are recognised:
+.TP
+.B block
+indicates that the packet should be flagged to be dropped. In response
+to blocking a packet, the filter may be instructed to send a reply
+packet, either an ICMP packet (\fBreturn-icmp\fP), an ICMP packet
+masquerading as being from the original packet's destination
+(\fBreturn-icmp-as-dest\fP), or a TCP "reset" (\fBreturn-rst\fP).  An
+ICMP packet may be generated in response to any IP packet, and its
+type may optionally be specified, but a TCP reset may only be used
+with a rule which is being applied to TCP packets.  When using
+\fBreturn-icmp\fP or \fBreturn-icmp-as-dest\fP, it is possible to specify
+the actual unreachable `type'.  That is, whether it is a network
+unreachable, port unreachable or even administratively
+prohibited. This is done by enclosing the ICMP code associated with
+it in parenthesis directly following \fBreturn-icmp\fP or
+\fBreturn-icmp-as-dest\fP as follows:
+.nf
+        block return-icmp(11) ...
+.fi
+.PP
+Would return a Type-Of-Service (TOS) ICMP unreachable error.
+.TP
+.B pass
+will flag the packet to be let through the filter.
+.TP
+.B log
+causes the packet to be logged (as described in the LOGGING section
+below) and has no effect on whether the packet will be allowed through
+the filter.
+.TP
+.B count
+causes the packet to be included in the accounting statistics kept by
+the filter, and has no effect on whether the packet will be allowed through
+the filter. These statistics are viewable with ipfstat(8).
+.TP
+.B call
+this action is used to invoke the named function in the kernel, which
+must conform to a specific calling interface. Customised actions and
+semantics can thus be implemented to supplement those available. This
+feature is for use by knowledgeable hackers, and is not currently
+documented.
+.TP
+.B "skip <n>"
+causes the filter to skip over the next \fIn\fP filter rules.  If a rule is
+inserted or deleted inside the region being skipped over, then the value of
+\fIn\fP is adjusted appropriately.
+.TP
+.B auth
+this allows authentication to be performed by a user-space program running
+and waiting for packet information to validate.  The packet is held for a
+period of time in an internal buffer whilst it waits for the program to return
+to the kernel the \fIreal\fP flags for whether it should be allowed through
+or not.  Such a program might look at the source address and request some sort
+of authentication from the user (such as a password) before allowing the
+packet through or telling the kernel to drop it if from an unrecognised source.
+.TP
+.B preauth
+tells the filter that for packets of this class, it should look in the
+pre-authenticated list for further clarification.  If no further matching
+rule is found, the packet will be dropped (the FR_PREAUTH is not the same
+as FR_PASS).  If a further matching rule is found, the result from that is
+used in its instead.  This might be used in a situation where a person
+\fIlogs in\fP to the firewall and it sets up some temporary rules defining
+the access for that person.
+.PP
+The next word must be either \fBin\fP or \fBout\fP.  Each packet
+moving through the kernel is either inbound (just been received on an
+interface, and moving towards the kernel's protocol processing) or
+outbound (transmitted or forwarded by the stack, and on its way to an
+interface). There is a requirement that each filter rule explicitly
+state which side of the I/O it is to be used on.
+.SH OPTIONS
+.PP
+The list of options is brief, and all are indeed optional. Where
+options are used, they must be present in the order shown here. These
+are the currently supported options:
+.TP
+.B log
+indicates that, should this be the last matching rule, the packet
+header will be written to the \fBipl\fP log (as described in the
+LOGGING section below).
+.TP
+.B tag tagid
+indicates that, if this rule causes the packet to be logged or entered
+in the state table, the tagid will be logged as part of the log entry.
+This can be used to quickly match "similar" rules in scripts that post
+process the log files for e.g. generation of security reports or accounting
+purposes. The tagid is a 32 bit unsigned integer.
+.TP
+.B quick
+allows "short-cut" rules in order to speed up the filter or override
+later rules.  If a packet matches a filter rule which is marked as
+\fBquick\fP, this rule will be the last rule checked, allowing a
+"short-circuit" path to avoid processing later rules for this
+packet. The current status of the packet (after any effects of the
+current rule) will determine whether it is passed or blocked.
+.IP
+If this option is missing, the rule is taken to be a "fall-through"
+rule, meaning that the result of the match (block/pass) is saved and
+that processing will continue to see if there are any more matches.
+.TP
+.B on
+allows an interface name to be incorporated into the matching
+procedure. Interface names are as printed by "netstat \-i". If this
+option is used, the rule will only match if the packet is going
+through that interface in the specified direction (in/out). If this
+option is absent, the rule is taken to be applied to a packet
+regardless of the interface it is present on (i.e. on all interfaces).
+Filter rulesets are common to all interfaces, rather than having a
+filter list for each interface.
+.IP
+This option is especially useful for simple IP-spoofing protection:
+packets should only be allowed to pass inbound on the interface from
+which the specified source address would be expected, others may be
+logged and/or dropped.
+.TP
+.B dup-to
+causes the packet to be copied, and the duplicate packet to be sent
+outbound on the specified interface, optionally with the destination
+IP address changed to that specified. This is useful for off-host
+logging, using a network sniffer.
+.TP
+.B to
+causes the packet to be moved to the outbound queue on the
+specified interface. This can be used to circumvent kernel routing
+decisions, and even to bypass the rest of the kernel processing of the
+packet (if applied to an inbound rule). It is thus possible to
+construct a firewall that behaves transparently, like a filtering hub
+or switch, rather than a router. The \fBfastroute\fP keyword is a
+synonym for this option.
+.SH MATCHING PARAMETERS
+.PP
+The keywords described in this section are used to describe attributes
+of the packet to be used when determining whether rules match or don't
+match. The following general-purpose attributes are provided for
+matching, and must be used in this order:
+.TP
+.B tos
+packets with different Type-Of-Service values can be filtered.
+Individual service levels or combinations can be filtered upon.  The
+value for the TOS mask can either be represented as a hex number or a
+decimal integer value.
+.TP
+.B ttl
+packets may also be selected by their Time-To-Live value.  The value given in
+the filter rule must exactly match that in the packet for a match to occur.
+This value can only be given as a decimal integer value.
+.TP
+.B proto
+allows a specific protocol to be matched against.  All protocol names
+found in \fB/etc/protocols\fP are recognised and may be used.
+However, the protocol may also be given as a DECIMAL number, allowing
+for rules to match your own protocols, or new ones which would
+out-date any attempted listing.
+.IP
+The special protocol keyword \fBtcp/udp\fP may be used to match either
+a TCP or a UDP packet, and has been added as a convenience to save
+duplication of otherwise-identical rules.
+.\" XXX grammar should reflect this (/etc/protocols)
+.PP
+The \fBfrom\fP and \fBto\fP keywords are used to match against IP
+addresses (and optionally port numbers). Rules must specify BOTH
+source and destination parameters.
+.PP
+IP addresses may be specified in one of two ways: as a numerical
+address\fB/\fPmask, or as a hostname \fBmask\fP netmask.  The hostname
+may either be a valid hostname, from either the hosts file or DNS
+(depending on your configuration and library) or of the dotted numeric
+form.  There is no special designation for networks but network names
+are recognised.  Note that having your filter rules depend on DNS
+results can introduce an avenue of attack, and is discouraged.
+.PP
+There is a special case for the hostname \fBany\fP which is taken to
+be 0.0.0.0/0 (see below for mask syntax) and matches all IP addresses.
+Only the presence of "any" has an implied mask, in all other
+situations, a hostname MUST be accompanied by a mask.  It is possible
+to give "any" a hostmask, but in the context of this language, it is
+non-sensical.
+.PP
+The numerical format "x\fB/\fPy" indicates that a mask of y
+consecutive 1 bits set is generated, starting with the MSB, so a y value
+of 16 would give 0xffff0000. The symbolic "x \fBmask\fP y" indicates
+that the mask y is in dotted IP notation or a hexadecimal number of
+the form 0x12345678.  Note that all the bits of the IP address
+indicated by the bitmask must match the address on the packet exactly;
+there isn't currently a way to invert the sense of the match, or to
+match ranges of IP addresses which do not express themselves easily as
+bitmasks (anthropomorphization; it's not just for breakfast anymore).
+.PP
+If a \fBport\fP match is included, for either or both of source and
+destination, then it is only applied to
+.\" XXX - "may only be" ? how does this apply to other protocols? will it not match, or will it be ignored?
+TCP and UDP packets. If there is no \fBproto\fP match parameter,
+packets from both protocols are compared. This is equivalent to "proto
+tcp/udp".  When composing \fBport\fP comparisons, either the service
+name or an integer port number may be used. Port comparisons may be
+done in a number of forms, with a number of comparison operators, or
+port ranges may be specified. When the port appears as part of the
+\fBfrom\fP object, it matches the source port number, when it appears
+as part of the \fBto\fP object, it matches the destination port number.
+See the examples for more information.
+.PP
+The \fBall\fP keyword is essentially a synonym for "from any to any"
+with no other match parameters.
+.PP
+Following the source and destination matching parameters, the
+following additional parameters may be used:
+.TP
+.B with
+is used to match irregular attributes that some packets may have
+associated with them.  To match the presence of IP options in general,
+use \fBwith ipopts\fP. To match packets that are too short to contain
+a complete header, use \fBwith short\fP. To match fragmented packets,
+use \fBwith frag\fP.  For more specific filtering on IP options,
+individual options can be listed.
+.IP
+Before any parameter used after the \fBwith\fP keyword, the word
+\fBnot\fP or \fBno\fP may be inserted to cause the filter rule to only
+match if the option(s) is not present.
+.IP
+Multiple consecutive \fBwith\fP clauses are allowed.  Alternatively,
+the keyword \fBand\fP may be used in place of \fBwith\fP, this is
+provided purely to make the rules more readable ("with ... and ...").
+When multiple clauses are listed, all those must match to cause a
+match of the rule.
+.\" XXX describe the options more specifically in a separate section
+.TP
+.B flags
+is only effective for TCP filtering.  Each of the letters possible
+represents one of the possible flags that can be set in the TCP
+header.  The association is as follows:
+.LP
+.nf
+        F - FIN
+        S - SYN
+        R - RST
+        P - PUSH
+        A - ACK
+        U - URG
+.fi
+.IP
+The various flag symbols may be used in combination, so that "SA"
+would represent a SYN-ACK combination present in a packet.  There is
+nothing preventing the specification of combinations, such as "SFR",
+that would not normally be generated by law-abiding TCP
+implementations.  However, to guard against weird aberrations, it is
+necessary to state which flags you are filtering against.  To allow
+this, it is possible to set a mask indicating which TCP flags you wish
+to compare (i.e., those you deem significant).  This is done by
+appending "/<flags>" to the set of TCP flags you wish to match
+against, e.g.:
+.LP
+.nf
+	... flags S
+			# becomes "flags S/AUPRFS" and will match
+			# packets with ONLY the SYN flag set.
+
+	... flags SA
+			# becomes "flags SA/AUPRFS" and will match any
+			# packet with only the SYN and ACK flags set.
+
+	... flags S/SA
+			# will match any packet with just the SYN flag set
+			# out of the SYN-ACK pair; the common "establish"
+			# keyword action.  "S/SA" will NOT match a packet
+			# with BOTH SYN and ACK set, but WILL match "SFP".
+.fi
+.TP
+.B icmp-type
+is only effective when used with \fBproto icmp\fP and must NOT be used
+in conjunction with \fBflags\fP.  There are a number of types, which can be
+referred to by an abbreviation recognised by this language, or the numbers
+with which they are associated can be used.  The most important from
+a security point of view is the ICMP redirect.
+.SH KEEP HISTORY
+.PP
+The second last parameter which can be set for a filter rule is whether or not
+to record historical information for that packet, and what sort to keep. The
+following information can be kept:
+.TP
+.B state
+keeps information about the flow of a communication session. State can
+be kept for TCP, UDP, and ICMP packets.
+.TP
+.B frags
+keeps information on fragmented packets, to be applied to later
+fragments.
+.PP
+allowing packets which match these to flow straight through, rather
+than going through the access control list.
+.SH GROUPS
+The last pair of parameters control filter rule "grouping".  By default, all
+filter rules are placed in group 0 if no other group is specified.  To add a
+rule to a non-default group, the group must first be started by creating a
+group \fIhead\fP.  If a packet matches a rule which is the \fIhead\fP of a
+group, the filter processing then switches to the group, using that rule as
+the default for the group.  If \fBquick\fP is used with a \fBhead\fP rule, rule
+processing isn't stopped until it has returned from processing the group.
+.PP
+A rule may be both the head for a new group and a member of a non-default
+group (\fBhead\fP and \fBgroup\fP may be used together in a rule).
+.TP
+.B "head <n>"
+indicates that a new group (number n) should be created.
+.TP
+.B "group <n>"
+indicates that the rule should be put in group (number n) rather than group 0.
+.SH LOGGING
+.PP
+When a packet is logged, with either the \fBlog\fP action or option,
+the headers of the packet are written to the \fBipl\fP packet logging
+pseudo-device. Immediately following the \fBlog\fP keyword, the
+following qualifiers may be used (in order):
+.TP
+.B body
+indicates that the first 128 bytes of the packet contents will be
+logged after the headers.
+.TP
+.B first
+If log is being used in conjunction with a "keep" option, it is recommended
+that this option is also applied so that only the triggering packet is logged
+and not every packet which thereafter matches state information.
+.TP
+.B or-block
+indicates that, if for some reason the filter is unable to log the
+packet (such as the log reader being too slow) then the rule should be
+interpreted as if the action was \fBblock\fP for this packet.
+.TP
+.B "level <loglevel>"
+indicates what logging facility and priority, or just priority with
+the default facility being used, will be used to log information about
+this packet using ipmon's -s option.
+.PP
+See ipl(4) for the format of records written
+to this device. The ipmon(8) program can be used to read and format
+this log.
+.SH EXAMPLES
+.PP
+The \fBquick\fP option is good for rules such as:
+\fC
+.nf
+block in quick from any to any with ipopts
+.fi
+.PP
+which will match any packet with a non-standard header length (IP
+options present) and abort further processing of later rules,
+recording a match and also that the packet should be blocked.
+.PP
+The "fall-through" rule parsing allows for effects such as this:
+.LP
+.nf
+        block in from any to any port < 6000
+        pass in from any to any port >= 6000
+        block in from any to any port > 6003
+.fi
+.PP
+which sets up the range 6000-6003 as being permitted and all others being
+denied.  Note that the effect of the first rule is overridden by subsequent
+rules.  Another (easier) way to do the same is:
+.LP
+.nf
+        block in from any to any port 6000 <> 6003
+        pass in from any to any port 5999 >< 6004
+.fi
+.PP
+Note that both the "block" and "pass" are needed here to effect a
+result as a failed match on the "block" action does not imply a pass,
+only that the rule hasn't taken effect.  To then allow ports < 1024, a
+rule such as:
+.LP
+.nf
+        pass in quick from any to any port < 1024
+.fi
+.PP
+would be needed before the first block.  To create a new group for
+processing all inbound packets on le0/le1/lo0, with the default being to block
+all inbound packets, we would do something like:
+.LP
+.nf
+       block in all
+       block in quick on le0 all head 100
+       block in quick on le1 all head 200
+       block in quick on lo0 all head 300
+.fi
+.PP
+
+and to then allow ICMP packets in on le0, only, we would do:
+.LP
+.nf
+       pass in proto icmp all group 100
+.fi
+.PP
+Note that because only inbound packets on le0 are used processed by group 100,
+there is no need to respecify the interface name.  Likewise, we could further
+breakup processing of TCP, etc, as follows:
+.LP
+.nf
+       block in proto tcp all head 110 group 100
+       pass in from any to any port = 23 group 110
+.fi
+.PP
+and so on.  The last line, if written without the groups would be:
+.LP
+.nf
+       pass in on le0 proto tcp from any to any port = telnet
+.fi
+.PP
+Note, that if we wanted to say "port = telnet", "proto tcp" would
+need to be specified as the parser interprets each rule on its own and
+qualifies all service/port names with the protocol specified.
+.SH FILES
+/dev/ipauth
+.br
+/dev/ipl
+.br
+/dev/ipstate
+.br
+/etc/hosts
+.br
+/etc/services
+.SH SEE ALSO
+\fBipnat\fR(4), \fBipf\fR(1M), \fBipfstat\fR(1M), \fBipfilter\fR(5)
diff --git a/usr/src/man/man4/ipmon.4 b/usr/src/man/man4/ipmon.4
new file mode 100644
index 0000000000..9f38eb0551
--- /dev/null
+++ b/usr/src/man/man4/ipmon.4
@@ -0,0 +1,72 @@
+'\" te
+.\" To view license terms, attribution, and copyright for IP Filter, the
+.\" default path is /usr/lib/ipf/IPFILTER.LICENCE. If the Illumos operating
+.\" environment has been installed anywhere other than the default, modify the
+.\" given path to access the file at the installed location.
+.\" Portions Copyright (c) 2015, Joyent, Inc.
+.TH IPMON 4
+.SH NAME
+ipmon, ipmon.conf \- ipmon configuration file format
+.SH DESCRIPTION
+The format for files accepted by ipmon is described by the following grammar:
+.LP
+.nf
+"match" "{" matchlist "}" "do" "{" doing "}" ";"
+
+matchlist ::= matching [ "," matching ] .
+matching  ::= direction | dstip | dstport | every | group | interface |
+              logtag | nattag | protocol | result | rule | srcip | srcport .
+
+dolist ::= doing [ "," doing ] .
+doing  ::= execute | save | syslog .
+
+direction ::= "in" | "out" .
+dstip     ::= "dstip" "=" ipv4 "/" number .
+dstport   ::= "dstport" "=" number .
+every     ::= "every" every-options .
+execute   ::= "execute" "=" string .
+group     ::= "group" "=" string | "group" "=" number .
+interface ::= "interface" "=" string .
+logtag    ::= "logtag" "=" string | "logtag" "=" number .
+nattag    ::= "nattag" "=" string .
+protocol  ::= "protocol" "=" string | "protocol" "=" number .
+result    ::= "result" "=" result-option .
+rule      ::= "rule" "=" number .
+srcip     ::= "srcip" "=" ipv4 "/" number .
+srcport   ::= "srcport" "=" number .
+type      ::= "type" "=" ipftype .
+ipv4      ::= number "." number "." number "." number .
+
+every-options ::= "second" | number "seconds" | "packet" | number "packets" .
+result-option ::= "pass" | "block" | "short" | "nomatch" | "log" .
+ipftype ::= "ipf" | "nat" | "state" .
+
+.fi
+.PP
+In addition, lines that start with a # are considered to be comments.
+.SH OVERVIEW
+.PP
+The ipmon configuration file is used for defining rules to be executed when
+logging records are read from
+.B /dev/ipl.
+.PP
+At present, only IPv4 matching is available for source/destination address
+matching.
+.SH MATCHING
+.PP
+Each rule for ipmon consists of two primary segments: the first describes how
+the log record is to be matched, the second defines what action to take if
+there is a positive match.  All entries of the rules present in the file are
+compared for matches - there is no first or last rule match.
+.SH FILES
+/dev/ipl
+.br
+/dev/ipf
+.br
+/dev/ipnat
+.br
+/dev/ipstate
+.br
+/etc/ipmon.conf
+.SH SEE ALSO
+\fBipmon\fR(1M), \fBipfilter\fR(5)
diff --git a/usr/src/man/man4/ipnat.4 b/usr/src/man/man4/ipnat.4
new file mode 100644
index 0000000000..d7f6143de0
--- /dev/null
+++ b/usr/src/man/man4/ipnat.4
@@ -0,0 +1,295 @@
+'\" te
+.\" To view license terms, attribution, and copyright for IP Filter, the
+.\" default path is /usr/lib/ipf/IPFILTER.LICENCE. If the Illumos operating
+.\" environment has been installed anywhere other than the default, modify the
+.\" given path to access the file at the installed location.
+.\" Portions Copyright (c) 2015, Joyent, Inc.
+.TH IPNAT 4
+.SH NAME
+ipnat, ipnat.conf \- IP NAT file format
+.SH DESCRIPTION
+The format for files accepted by ipnat is described by the following grammar:
+.LP
+.nf
+ipmap :: = mapblock | redir | map .
+
+map ::= mapit ifname lhs "->" dstipmask [ mapicmp | mapport | mapproxy ]
+        mapoptions .
+mapblock ::= "map-block" ifname lhs "->" ipmask [ ports ] mapoptions .
+redir ::= "rdr" ifname rlhs "->" ip [ "," ip ] rdrport rdroptions .
+
+lhs ::= ipmask | fromto .
+rlhs ::= ipmask dport | fromto .
+dport ::= "port" portnum [ "-" portnum ] .
+ports ::= "ports" numports | "auto" .
+rdrport ::= "port" portnum .
+mapit ::= "map" | "bimap" .
+fromto ::= "from" object "to" object .
+ipmask ::= ip "/" bits | ip "/" mask | ip "netmask" mask .
+dstipmask ::= ipmask | "range" ip "-" ip .
+mapicmp ::= "icmpidmap" "icmp" number ":" number .
+mapport ::= "portmap" tcpudp portspec .
+mapoptions ::= [ tcpudp ] [ "frag" ] [ age ] [ clamp ] .
+rdroptions ::= rdrproto [ rr ] [ "frag" ] [ age ] [ clamp ] [ rdrproxy ] .
+
+object :: = addr [ port-comp | port-range ] .
+addr :: = "any" | nummask | host-name [ "mask" ipaddr | "mask" hexnumber ] .
+port-comp :: = "port" compare port-num .
+port-range :: = "port" port-num range port-num .
+rdrproto ::= tcpudp | protocol .
+
+rr ::= "round-robin" .
+age ::= "age" decnumber [ "/" decnumber ] .
+clamp ::= "mssclamp" decnumber .
+tcpudp ::= "tcp/udp" | protocol .
+mapproxy ::= "proxy" "port" port proxy-name '/' protocol
+rdrproxy ::= "proxy" proxy-name .
+
+protocol ::= protocol-name | decnumber .
+nummask ::= host-name [ "/" decnumber ] .
+portspec ::= "auto" | portnumber ":" portnumber .
+port ::= portnumber | port-name .
+portnumber ::= number { numbers } .
+ifname ::= 'A' - 'Z' { 'A' - 'Z' } numbers .
+
+numbers ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' .
+.fi
+.PP
+For standard NAT functionality, a rule should start with \fBmap\fP and then
+proceeds to specify the interface for which outgoing packets will have their
+source address rewritten.
+.PP
+Packets which will be rewritten can only be selected by matching the original
+source address.  A netmask must be specified with the IP address.
+.PP
+The address selected for replacing the original is chosen from an IP#/netmask
+pair.  A netmask of all 1's indicating a hostname is valid.  A netmask of
+31 1's (255.255.255.254) is considered invalid as there is no space for
+allocating host IP#'s after consideration for broadcast and network
+addresses.
+.PP
+When remapping TCP and UDP packets, it is also possible to change the source
+port number.  Either TCP or UDP or both can be selected by each rule, with a
+range of port numbers to remap into given as \fBport-number:port-number\fP.
+.SH COMMANDS
+There are four commands recognised by IP Filter's NAT code:
+.TP
+.B map
+that is used for mapping one address or network to another in an unregulated
+round robin fashion;
+.TP
+.B rdr
+that is used for redirecting packets to one IP address and port pair to
+another;
+.TP
+.B bimap
+for setting up bidirectional NAT between an external IP address and an internal
+IP address and
+.TP
+.B map-block
+which sets up static IP address based translation, based on a algorithm to
+squeeze the addresses to be translated into the destination range.
+.SH MATCHING
+.PP
+For basic NAT and redirection of packets, the address subject to change is used
+along with its protocol to check if a packet should be altered.  The packet
+\fImatching\fP part of the rule is to the left of the "->" in each rule.
+.PP
+Matching of packets has now been extended to allow more complex compares.
+In place of the address which is to be translated, an IP address and port
+number comparison can be made using the same expressions available with
+\fBipf\fP.  A simple NAT rule could be written as:
+.LP
+.nf
+map de0 10.1.0.0/16 -> 201.2.3.4/32
+.fi
+.LP
+or as
+.LP
+.nf
+map de0 from 10.1.0.0/16 to any -> 201.2.3.4/32
+.fi
+.LP
+Only IP address and port numbers can be compared against.  This is available
+with all NAT rules.
+.SH TRANSLATION
+.PP
+To the right of the "->" is the address and port specification which will be
+written into the packet providing it has already successfully matched the
+prior constraints.  The case of redirections (\fBrdr\fP) is the simplest:
+the new destination address is that specified in the rule.  For \fBmap\fP
+rules, the destination address will be one for which the tuple combining
+the new source and destination is known to be unique.  If the packet is
+either a TCP or UDP packet, the destination and source ports come into the
+equation too.  If the tuple already exists, IP Filter will increment the
+port number first, within the available range specified with \fBportmap\fP
+and if there exists no unique tuple, the source address will be incremented
+within the specified netmask.  If a unique tuple cannot be determined, then
+the packet will not be translated.  The \fBmap-block\fP is more limited in
+how it searches for a new, free and unique tuple, in that it will used an
+algorithm to determine what the new source address should be, along with the
+range of available ports - the IP address is never changed and nor does the
+port number ever exceed its allotted range.
+.SH ICMPIDMAP
+.PP
+ICMP messages can be divided into two groups: "errors" and "queries". ICMP
+errors are generated as a response of another IP packet. IP Filter will take
+care that ICMP errors that are the response of a NAT-ed IP packet are
+handled properly.
+.PP
+For 4 types of ICMP queries (echo request, timestamp request, information
+request and address mask request) IP Filter supports an additional mapping
+called "ICMP id mapping". All these 4 types of ICMP queries use a unique
+identifier called the ICMP id. This id is set by the process sending the
+ICMP query and it is usually equal to the process id. The receiver of the
+ICMP query will use the same id in its response, thus enabling the
+sender to recognize that the incoming ICMP reply is intended for him and is
+an answer to a query that he made. The "ICMP id mapping" feature modifies
+these ICMP id in a way identical to \fBportmap\fP for TCP or UDP.
+.PP
+The reason that you might want this, is that using this feature you don't
+need an IP address per host behind the NAT box, that wants to do ICMP queries.
+The two numbers behind the \fBicmpidmap\fP keyword are the first and the
+last icmp id number that can be used. There is one important caveat: if you
+map to an IP address that belongs to the NAT box itself (notably if you have
+only a single public IP address), then you must ensure that the NAT box does
+not use the \fBicmpidmap\fP range that you specified in the \fBmap\fP rule.
+.SH KERNEL PROXIES
+.PP
+IP Filter comes with a few, simple, proxies built into the code that is loaded
+into the kernel to allow secondary channels to be opened without forcing the
+packets through a user program.  The current state of the proxies is listed
+below, as one of three states:
+.HP
+Aging - protocol is roughly understood from
+the time at which the proxy was written but it is not well tested or
+maintained;
+.HP
+Developmental - basic functionality exists, works most of the time but
+may be problematic in extended real use;
+.HP
+Experimental - rough support for the protocol at best, may or may not
+work as testing has been at best sporadic, possible large scale changes
+to the code in order to properly support the protocol.
+.HP
+Mature - well tested, protocol is properly
+understood by the proxy;
+.PP
+The currently compiled in proxy list is as follows:
+.HP
+FTP - Mature
+.HP
+IRC - Experimental
+.HP
+rpcbind - Experimental
+.HP
+H.323 - Experimental
+.HP
+Real Audio (PNA) - Aging
+.HP
+IPsec - Developmental
+.HP
+netbios - Experimental
+.HP
+R-command - Mature
+
+.SH TRANSPARENT PROXIES
+.PP
+True transparent proxying should be performed using the redirect (\fBrdr\fP)
+rules directing ports to localhost (127.0.0.1) with the proxy program doing
+a lookup through \fB/dev/ipnat\fP to determine the real source and address
+of the connection.
+.SH LOAD-BALANCING
+.PP
+Two options for use with \fBrdr\fP are available to support primitive,
+\fIround-robin\fP based load balancing.  The first option allows for a
+\fBrdr\fP to specify a second destination, as follows:
+.LP
+.nf
+rdr le0 203.1.2.3/32 port 80 -> 203.1.2.3,203.1.2.4 port 80 tcp
+.fi
+.LP
+This would send alternate connections to either 203.1.2.3 or 203.1.2.4.
+In scenarios where the load is being spread amongst a larger set of
+servers, you can use:
+.LP
+.nf
+rdr le0 203.1.2.3/32 port 80 -> 203.1.2.3,203.1.2.4 port 80 tcp round-robin
+rdr le0 203.1.2.3/32 port 80 -> 203.1.2.5 port 80 tcp round-robin
+.fi
+.LP
+In this case, a connection will be redirected to 203.1.2.3, then 203.1.2.4
+and then 203.1.2.5 before going back to 203.1.2.3.  In accomplishing this,
+the rule is removed from the top of the list and added to the end,
+automatically, as required.  This will not effect the display of rules
+using "ipnat -l", only the internal application order.
+.SH EXAMPLES
+.PP
+This section deals with the \fBmap\fP command and its variations.
+.PP
+To change IP#'s used internally from network 10 into an ISP provided 8 bit
+subnet at 209.1.2.0 through the ppp0 interface, the following would be used:
+.LP
+.nf
+map ppp0 10.0.0.0/8 -> 209.1.2.0/24
+.fi
+.PP
+The obvious problem here is we're trying to squeeze over 16,000,000 IP
+addresses into a 254 address space.  To increase the scope, remapping for TCP
+and/or UDP, port remapping can be used;
+.LP
+.nf
+map ppp0 10.0.0.0/8 -> 209.1.2.0/24 portmap tcp/udp 1025:65000
+.fi
+.PP
+which falls only 527,566 `addresses' short of the space available in network
+10.  If we were to combine these rules, they would need to be specified as
+follows:
+.LP
+.nf
+map ppp0 10.0.0.0/8 -> 209.1.2.0/24 portmap tcp/udp 1025:65000
+map ppp0 10.0.0.0/8 -> 209.1.2.0/24
+.fi
+.PP
+so that all TCP/UDP packets were port mapped and only other protocols, such as
+ICMP, only have their IP# changed.  In some instances, it is more appropriate
+to use the keyword \fBauto\fP in place of an actual range of port numbers if
+you want to guarantee simultaneous access to all within the given range.
+However, in the above case, it would default to 1 port per IP address, since
+we need to squeeze 24 bits of address space into 8.  A good example of how
+this is used might be:
+.LP
+.nf
+map ppp0 172.192.0.0/16 -> 209.1.2.0/24 portmap tcp/udp auto
+.fi
+.PP
+which would result in each IP address being given a small range of ports to
+use (252).  In all cases, the new port number that is used is deterministic.
+That is, port X will always map to port Y.
+WARNING: It is not advisable to use the \fBauto\fP feature if you are map'ing
+to a /32 (i.e. 0/32) because the NAT code will try to map multiple hosts to
+the same port number, outgoing and ultimately this will only succeed for one
+of them.
+The problem here is that the \fBmap\fP directive tells the NAT
+code to use the next address/port pair available for an outgoing connection,
+resulting in no easily discernible relation between external addresses/ports
+and internal ones.  This is overcome by using \fBmap-block\fP as follows:
+.LP
+.nf
+map-block ppp0 172.192.0.0/16 -> 209.1.2.0/24 ports auto
+.fi
+.PP
+For example, this would result in 172.192.0.0/24 being mapped to 209.1.2.0/32
+with each address, from 172.192.0.0 to 172.192.0.255 having 252 ports of its
+own.  As opposed to the above use of \fBmap\fP, if for some reason the user
+of (say) 172.192.0.2 wanted 260 simultaneous connections going out, they would
+be limited to 252 with \fBmap-block\fP but would just \fImove on\fP to the next
+IP address with the \fBmap\fP command.
+/dev/ipnat
+.br
+/etc/services
+.br
+/etc/hosts
+.SH SEE ALSO
+\fBhosts\fR(4), \fBipf\fR(4), \fBservices\fR(4), \fBipf\fR(1M),
+\fBipnat\fR(1M), \fBipfilter\fR(5)
diff --git a/usr/src/man/man4/ippool.4 b/usr/src/man/man4/ippool.4
new file mode 100644
index 0000000000..1ff0e79129
--- /dev/null
+++ b/usr/src/man/man4/ippool.4
@@ -0,0 +1,159 @@
+'\" te
+.\" To view license terms, attribution, and copyright for IP Filter, the
+.\" default path is /usr/lib/ipf/IPFILTER.LICENCE. If the Illumos operating
+.\" environment has been installed anywhere other than the default, modify the
+.\" given path to access the file at the installed location.
+.\" Portions Copyright (c) 2015, Joyent, Inc.
+.TH IPPOOL 4
+.SH NAME
+ippool, ippool.conf \- IP Pool file format
+.SH DESCRIPTION
+The format for files accepted by ippool is described by the following grammar:
+.LP
+.nf
+line ::= table | groupmap .
+table ::= "table" role tabletype .
+groupmap ::= "group-map" inout role number ipfgroup
+tabletype ::= ipftree | ipfhash .
+
+role ::= "role" "=" "ipf" .
+inout ::= "in" | "out" .
+
+ipftree ::= "type" "=" "tree" number "{" addrlist "}" .
+ipfhash ::= "type" "=" "hash" number hashopts "{" hashlist "}" .
+
+ipfgroup ::= setgroup hashopts "{" grouplist "}" |
+             hashopts "{" setgrouplist "}" .
+setgroup ::= "group" "=" groupname .
+
+hashopts ::= size [ seed ] | seed .
+
+size ::= "size" number .
+seed ::= "seed" number .
+
+addrlist ::= [ "!" ] addrmask ";" [ addrlist ] .
+grouplist ::= groupentry ";" [ grouplist ] | addrmask ";" [ grouplist ] .
+
+setgrouplist ::= groupentry ";" [ setgrouplist ] .
+
+groupentry ::= addrmask "," setgroup .
+
+hashlist ::= hashentry ";" [ hashlist ] .
+hashentry ::= addrmask .
+
+addrmask ::= ipaddr | ipaddr "/" mask .
+
+mask ::= number | ipaddr .
+
+groupname ::= number | name .
+
+number ::= digit { digit } .
+
+ipaddr  = host-num "." host-num "." host-num "." host-num .
+host-num = digit [ digit [ digit ] ] .
+
+digit ::= "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" .
+name ::= letter { letter | digit } .
+.fi
+.PP
+The IP pool configuration file is used for defining a single object that
+contains a reference to multiple IP address/netmask pairs.  A pool may consist
+of a mixture of netmask sizes, from 0 to 32.
+.PP
+At this point in time, only IPv4 addressing is supported.
+.SH OVERVIEW
+.PP
+The IP pool configuration file provides for defining two different mechanisms
+for improving speed in matching IP addresses with rules.
+The first,
+.B table
+, defines a lookup
+.I table
+to provide a single reference in a
+filter rule to multiple targets and the second,
+.B group-map
+, provides a mechanism to target multiple groups from a single filter line.
+.PP
+The
+.B group-map
+command can only be used with filter rules that use the
+.B call
+command to invoke either
+.B fr_srcgrpmap
+or
+.B fr_dstgrpmap
+, to use the source or destination address,
+respectively, for determining which filter group to jump to next for
+continuation of filter packet processing.
+.SH POOL TYPES
+.PP
+Two storage formats are provided: hash tables and tree structure.  The hash
+table is intended for use with objects all containing the same netmask or a
+few different sized netmasks of non-overlapping address space and the tree
+is designed for being able to support exceptions to a covering mask, in
+addition to normal searching as you would do with a table.  It is not possible
+to use the tree data storage type with
+.B group-map
+configuration entries.
+.SH POOL ROLES
+.PP
+When a pool is defined in the configruation file, it must have an associated
+role.  At present the only supported role is
+.B ipf.
+Future development will see futher expansion of their use by other sections
+of IPFilter code.
+.SH EXAMPLES
+The following examples show how the pool configuration file is used with
+the ipf configuration file to enhance the ability for the ipf configuration
+file to be succinct in meaning.
+.TP
+1
+The first example shows how a filter rule makes reference to a specific
+pool for matching of the source address.
+.nf
+pass in from pool/100 to any
+.fi
+.PP
+The pool configuration, which matches IP addresses 1.1.1.1 and any
+in 2.2.0.0/16, except for those in 2.2.2.0/24.
+.PP
+.nf
+table role = ipf type = tree number = 100
+        { 1.1.1.1/32; 2.2.0.0/16; !2.2.2.0/24 };
+.fi
+.TP
+2
+The following ipf.conf extract uses the
+fr_srcgrpmap/fr_dstgrpmap lookups to use the
+.B group-map
+facility to lookup the next group to use for filter processing, providing
+the
+.B call
+filter rule is matched.
+.nf
+call now fr_srcgrpmap/1010 in all
+call now fr_dstgrpmap/2010 out all
+pass in all group 1020
+block in all group 1030
+pass out all group 2020
+block out all group 2040
+.fi
+.PP
+A ippool configuration to work with the above ipf.conf file might
+look like this:
+.PP
+.nf
+group-map in role = ipf number = 1010
+	{ 1.1.1.1/32, group = 1020; 3.3.0.0/16, group = 1030; };
+group-map out role = ipf number = 2010 group = 2020
+	{ 2.2.2.2/32; 4.4.0.0/16; 5.0.0.0/8, group = 2040; };
+.fi
+.SH FILES
+/dev/iplookup
+.br
+/etc/ippool.conf
+.br
+/etc/hosts
+.SH SEE ALSO
+\fBippool\fR(1M), \fBhosts\fR(4), \fBipf\fR(4), \fBipf\fR(1M), \fBipnat\fR(1M),
+\fBipfilter\fR(5)
diff --git a/usr/src/man/man4/overlay_files.4 b/usr/src/man/man4/overlay_files.4
new file mode 100644
index 0000000000..c1a4ce4b3b
--- /dev/null
+++ b/usr/src/man/man4/overlay_files.4
@@ -0,0 +1,169 @@
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright 2015, Joyent, Inc. 
+.\"
+.Dd Apr 13, 2015
+.Dt OVERLAY_FILES 4
+.Os
+.Sh NAME
+.Nm overlay_files
+.Nd Overlay files plugin file format
+.Sh DESCRIPTION
+The
+.Sy files
+plugin provides a means for a dynamic overlay where the destinations are
+determined based on a static description contained in a
+.Sy JSON
+file. This manual describes the format of the file used by the
+.Sy files/config
+property. To create and manage overlays
+with the
+.Sy files
+plugin, use
+.Xr dladm 1M .
+For more information on overlays, see
+.Xr overlay 5 .
+.Pp
+Using the
+.Sy files
+module, a static and simple overlay network can be created. This network
+does not support the use of
+.Em broadcast
+or
+.Em multicast
+traffic. Both ARP and NDP traffic are proxied by the plugin itself. In
+addition, the plugin allows for DHCP. Instead of providing a traditional
+DHCP proxy, when an initial DHCP broadcast goes out to a broadcast
+address, it will get rewritten to target a specific MAC address. The
+.Sy files
+plugin is useful as proof of concept and for simple static networks
+where addresses do not need to be reconfigured. If more advanced
+topologies or more streamlined updates are required, consider a different
+plugin.
+.Pp
+The file format is encoded as a series of
+.Sy JSON
+objects. Each object has a key, which is a MAC address on the
+.Sy overlay
+network. It has multiple values, some required, some optional, which
+describe various properties. The valid properties are:
+.Bl -hang -width Ds
+.It Sy ip
+.Bd -filled -compact
+The
+.Sy ip
+key indicates the IP address on the
+.Sy underlay
+network that houses the MAC address in question. Packets directed for
+the MAC address will be encapsulated and set to this address. This field
+is required.
+.Pp
+The value is a
+.Em JSON String .
+Both IPv4 and IPv6 addresses are supported and should be written out in their
+traditional forms.  Follow the guidelines for writing addresses in
+.Xr inet_aton 3SOCKET .
+.Ed
+.It Sy port
+.Bd -filled -compact
+The
+.Sy port
+key indicates the port on the
+.Sy underlay
+network that houses the MAC address in question. This property is required if
+the encapsulation module requires a port for its destination. The value is
+a
+.Em JSON Number .
+.Ed
+.It Sy arp
+.Bd -filled -compact
+The
+.Sy arp
+key stores the IPv4 address that corresponds to this MAC address on the
+.Sy overlay
+network. This will be used to respond to ARP queries that would traditionally
+have been received by the OS kernel. If this address is not present, no IPv4
+packets directed to this IP address will be received by the network interface
+that has this MAC address, regardless of what is configured on top of it.
+.Pp
+The value is a
+.Em JSON String
+and should be written out following the guidelines for IPv4 addresses in
+.Xr inet_aton 3SOCKET .
+.Ed
+.It Sy ndp
+.Bd -filled -compact
+The
+.Sy ndp
+key stores the IPv6 address that corresponds to this MAC address on the
+.Sy overlay
+network. This will be used to respond to NDP queries that would traditionally
+have been received by the OS kernel. If this address is not present, no IPv6
+packets directed to this IP address will be received by the network interface
+that has this MAC address, regardless of what is configured on top of it.
+.Pp
+The value is a
+.Em JSON String
+and should be written out following the guidelines for IPv6 addresses in
+.Xr inet_aton 3SOCKET .
+.Ed
+.It Sy dhcp-proxy
+.Bd -filled -compact
+The
+.Sy dhcp-proxy
+key stores a MAC address that DHCP messages directed to a broadcast address get
+rewritten to be sent to. This can be viewed as a form of proxy DHCP, but is
+different in mechanism from a traditional proxy. The value is a
+.Em JSON String
+and should be written as a traditional MAC address string as described by
+.Xr ether_aton 3SOCKET .
+.Ed
+.El
+.Sh EXAMPLES
+.Sy Example 1
+Sample configuration file
+.Pp
+This configuration file provides information for three different MAC
+addresses. Each MAC address has an entry which describes what its IPv4
+and IPv6 address is, as well as the IP address and port of the host on
+the underlay network. Finally, one host has a DHCP proxy entry to
+demonstrate how one might configure DHCP.
+.Bd -literal -offset indent
+{
+	"de:ad:be:ef:00:00": {
+		"arp": "10.55.55.2",
+		"ip": "10.88.88.69",
+		"ndp": "fe80::3",
+		"port": 4789
+	},
+	"de:ad:be:ef:00:01": {
+		"arp": "10.55.55.3",
+		"dhcp-proxy": "de:ad:be:ef:00:00",
+		"ip": "10.88.88.70",
+		"ndp": "fe80::4",
+		"port": 4789
+	},
+	"de:ad:be:ef:00:02": {
+		"arp": "10.55.55.4",
+		"ip": "10.88.88.71",
+		"ndp": "fe80::5",
+		"port": 4789
+	}
+}
+.Ed
+.Sh STABILITY
+This file format is
+.Sy committed ;
+however, keys that are not listed here are reserved for future use.
+.Sh SEE ALSO
+.Xr dladm 1M
+.Xr overlay 5
diff --git a/usr/src/man/man4/proc.4 b/usr/src/man/man4/proc.4
index 20f2089f5e..c0a044164a 100644
--- a/usr/src/man/man4/proc.4
+++ b/usr/src/man/man4/proc.4
@@ -1,15 +1,14 @@
 '\" te
 .\" Copyright 1989 AT&T
 .\" Copyright (c) 2006, Sun Microsystems, Inc. All Rights Reserved.
-.\" Copyright (c) 2013, Joyent, Inc. All rights reserved.
+.\" Copyright 2015, Joyent, Inc.
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH PROC 4 "Mar 31, 2013"
+.TH PROC 4 "May 19, 2014"
 .SH NAME
 proc \- /proc, the process file system
 .SH DESCRIPTION
-.sp
 .LP
 \fB/proc\fR is a file system that provides access to the state of each process
 and light-weight process (lwp) in the system. The name of each entry in the
@@ -174,7 +173,6 @@ To help deal with system data structures that are read from 32-bit processes, a
 explicit 32-bit fixed-width data structures (like \fBcstruct stat32\fR) visible
 to the 64-bit program. See \fBtypes32.h\fR(3HEAD).
 .SH DIRECTORY STRUCTURE
-.sp
 .LP
 At the top level, the directory \fB/proc\fR contains entries each of which
 names an existing process in the system. These entries are themselves
@@ -201,7 +199,6 @@ structures may grow by the addition of elements at the end in future releases
 of the system and it is not legitimate for a program to assume that they will
 not.
 .SH STRUCTURE OF \fB/proc/\fR\fIpid\fR
-.sp
 .LP
 A given directory \fB/proc/\fR\fIpid\fR contains the following entries. A
 process can use the invisible alias \fB/proc/self\fR if it wishes to open one
@@ -209,13 +206,11 @@ of its own \fB/proc\fR files (invisible in the sense that the name ``self''
 does not appear in a directory listing of \fB/proc\fR obtained from
 \fBls\fR(1), \fBgetdents\fR(2), or \fBreaddir\fR(3C)).
 .SS "contracts"
-.sp
 .LP
 A directory containing references to the contracts held by the process. Each
 entry is a symlink to the contract's directory under \fB/system/contract\fR.
 See \fBcontract\fR(4).
 .SS "as"
-.sp
 .LP
 Contains the address-space image of the process; it can be opened for both
 reading and writing. \fBlseek\fR(2) is used to position the file at the virtual
@@ -223,7 +218,6 @@ address of interest and then the address space can be examined or changed
 through \fBread\fR(2) or \fBwrite\fR(2) (or by using \fBpread\fR(2) or
 \fBpwrite\fR(2) for the combined operation).
 .SS "ctl"
-.sp
 .LP
 A write-only file to which structured messages are written directing the system
 to change some aspect of the process's state or control its behavior in some
@@ -235,7 +229,6 @@ message is immediately reflected in the state of the process visible through
 appropriate status and information files. The types of control messages are
 described in detail later. See \fBCONTROL MESSAGES\fR.
 .SS "status"
-.sp
 .LP
 Contains state information about the process and the representative lwp. The
 file contains a \fBpstatus\fR structure which contains an embedded
@@ -672,6 +665,18 @@ the process. \fBpr_what\fR is unused in this case.
 .RE
 
 .sp
+.ne 2
+.na
+\fB\fBPR_BRAND\fR\fR
+.ad
+.RS 17n
+indicates that the lwp stopped for a brand-specific reason.  Interpretation
+of the value of \fBpr_what\fR depends on which zone brand is in use.  It is
+not generally expected that an lwp stopped in this state will be restarted
+by native \fBproc\fR(4) consumers.
+.RE
+
+.sp
 .LP
 \fBpr_cursig\fR names the current signal, that is, the next signal to be
 delivered to the lwp, if any. \fBpr_info\fR, when the lwp is in a
@@ -864,7 +869,6 @@ registers.
 .LP
 If the lwp is not stopped, all register values are undefined.
 .SS "psinfo"
-.sp
 .LP
 Contains miscellaneous information about the process and the representative lwp
 needed by the \fBps\fR(1) command. \fBpsinfo\fR remains accessible after a
@@ -930,6 +934,15 @@ migrate to checking \fBPR_ISSYS\fR in the \fBpstatus\fR structure's
 0x8000). \fBpr_pctcpu\fR is the summation over all lwps in the process.
 .sp
 .LP
+The \fBpr_fname\fR and \fBpr_psargs\fR are writable by the owner of the
+process. To write to them, the \fBpsinfo\fR file should be open for writing
+and the desired value for the field should be written at the file offset
+that corresponds to the member of structure.  No other entry may be written
+to; if a write is attempted to an offset that does not represent one of
+these two memers, or if the size of the write is not exactly the size of
+the member being written, no bytes will be written and zero will be returned.
+.sp
+.LP
 \fBpr_lwp\fR contains the \fBps\fR(1) information for the representative lwp.
 If the process is a \fIzombie\fR, \fBpr_nlwp\fR, \fBpr_nzomb\fR, and
 \fBpr_lwp.pr_lwpid\fR are zero and the other fields of \fBpr_lwp\fR are
@@ -983,7 +996,6 @@ maximum value is 1/N, where N is the number of \fBCPU\fRs.
 \fBpr_contract\fR is the id of the process contract of which the process is a
 member. See \fBcontract\fR(4) and \fBprocess\fR(4).
 .SS "cred"
-.sp
 .LP
 Contains a description of the credentials associated with the process:
 .sp
@@ -1010,7 +1022,6 @@ length; the \fBcred\fR file contains all of the supplementary groups.
 \fBpr_ngroups\fR indicates the number of supplementary groups. (See also the
 \fBPCSCRED\fR and \fBPCSCREDX\fR control operations.)
 .SS "priv"
-.sp
 .LP
 Contains a description of the privileges associated with the process:
 .sp
@@ -1044,7 +1055,6 @@ which is followed by additional information about the process state
 The full size of the structure can be computed using
 \fBPRIV_PRPRIV_SIZE\fR(\fBprpriv_t *\fR).
 .SS "sigact"
-.sp
 .LP
 Contains an array of \fBsigaction structures\fR describing the current
 dispositions of all signals associated with the traced process (see
@@ -1052,14 +1062,18 @@ dispositions of all signals associated with the traced process (see
 that the action for signal number \fIn\fR appears in position \fIn\fR-1 of the
 array.
 .SS "auxv"
-.sp
 .LP
 Contains the initial values of the process's aux vector in an array of
 \fBauxv_t\fR structures (see \fB<sys/auxv.h>\fR). The values are those that
 were passed by the operating system as startup information to the dynamic
 linker.
+.SS "argv"
+.LP
+Contains the concatenation of each of the argument strings, including their
+\fBNUL\fR terminators, in the argument vector (\fBargv\fR) for the process. If
+the process has modified either its argument vector, or the contents of any of
+the strings referenced by that vector, those changes will be visible here.
 .SS "ldt"
-.sp
 .LP
 This file exists only on x86-based machines. It is non-empty only if the
 process has established a local descriptor table (\fBLDT\fR). If non-empty, the
@@ -1067,7 +1081,6 @@ file contains the array of currently active \fBLDT\fR entries in an array of
 elements of type \fBstruct ssd\fR, defined in \fB<sys/sysi86.h>\fR, one element
 for each active \fBLDT\fR entry.
 .SS "map, xmap"
-.sp
 .LP
 Contain information about the virtual address map of the process. The map file
 contains an array of \fBprmap\fR structures while the xmap file contains an
@@ -1235,7 +1248,6 @@ translation for the mapping. \fBpr_hatpagesize\fR may be different than
 \fBpr_pagesize.\fR The possible values are hardware architecture specific, and
 may change over a mapping's lifetime.
 .SS "rmap"
-.sp
 .LP
 Contains information about the reserved address ranges of the process. The file
 contains an array of \fBprmap\fR structures, as defined above for the \fBmap\fR
@@ -1246,21 +1258,18 @@ not use any part of it for the new mapping. Examples of such reservations
 include the address ranges reserved for the process stack and the individual
 thread stacks of a multi-threaded process.
 .SS "cwd"
-.sp
 .LP
 A symbolic link to the process's current working directory. See \fBchdir\fR(2).
 A \fBreadlink\fR(2) of \fB/proc/\fIpid\fR/cwd\fR yields a null string. However,
 it can be opened, listed, and searched as a directory, and can be the target of
 \fBchdir\fR(2).
 .SS "root"
-.sp
 .LP
 A symbolic link to the process's root directory.
 \fB/proc/\fR\fIpid\fR\fB/root\fR can differ from the system root directory if
 the process or one of its ancestors executed \fBchroot\fR(2) as super user. It
 has the same semantics as \fB/proc/\fR\fIpid\fR\fB/cwd\fR.
 .SS "fd"
-.sp
 .LP
 A directory containing references to the open files of the process. Each entry
 is a decimal number corresponding to an open file descriptor in the process.
@@ -1274,7 +1283,6 @@ directory, it can be accessed with the same semantics as
 \fB/proc/\fIpid\fR/cwd\fR. An attempt to open any other type of entry fails
 with \fBEACCES\fR.
 .SS "object"
-.sp
 .LP
 A directory containing read-only files with names corresponding to the
 \fBpr_mapname\fR entries in the \fBmap\fR and \fBpagedata\fR files. Opening
@@ -1287,7 +1295,6 @@ The \fBobject\fR directory makes it possible for a controlling process to gain
 access to the object file and any shared libraries (and consequently the symbol
 tables) without having to know the actual path names of the executable files.
 .SS "path"
-.sp
 .LP
 A directory containing symbolic links to files opened by the process. The
 directory includes one entry for \fBcwd\fR and \fBroot\fR. The directory also
@@ -1299,7 +1306,6 @@ namespace (such as \fBFIFO\fRs and sockets), but can also happen for regular
 files. For the file descriptor entries, the path may be different from the one
 used by the process to open the file.
 .SS "pagedata"
-.sp
 .LP
 Opening the page data file enables tracking of address space references and
 modifications on a per-page basis.
@@ -1381,13 +1387,11 @@ to a system-imposed limit per traced process. A read of one does not affect the
 data being collected by the system for the others. An open of the page data
 file will fail with \fBENOMEM\fR if the system-imposed limit would be exceeded.
 .SS "watch"
-.sp
 .LP
 Contains an array of \fBprwatch\fR structures, one for each watched area
 established by the \fBPCWATCH\fR control operation. See \fBPCWATCH\fR for
 details.
 .SS "usage"
-.sp
 .LP
 Contains process usage information described by a \fBprusage\fR structure which
 contains at least the following fields:
@@ -1434,7 +1438,6 @@ previously an estimate, if microstate accounting were not enabled, the current
 information is now never an estimate represents time the process has spent in
 various states.
 .SS "lstatus"
-.sp
 .LP
 Contains a \fBprheader\fR structure followed by an array of \fBlwpstatus\fR
 structures, one for each active lwp in the process (see also
@@ -1459,13 +1462,11 @@ file header to index through the array. These comments apply to all \fB/proc\fR
 files that include a \fBprheader\fR structure (\fBlpsinfo\fR and \fBlusage\fR,
 below).
 .SS "lpsinfo"
-.sp
 .LP
 Contains a \fBprheader\fR structure followed by an array of \fBlwpsinfo\fR
 structures, one for eachactive and zombie lwp in the process. See also
 \fB/proc/\fR\fIpid\fR\fB/lwp/\fR\fIlwpid\fR/\fBlwpsinfo\fR, below.
 .SS "lusage"
-.sp
 .LP
 Contains a \fBprheader\fR structure followed by an array of \fBprusage\fR
 structures, one for each active lwp in the process, plus an additional element
@@ -1476,43 +1477,36 @@ summation over all these structures is the definition of the process usage
 information obtained from the \fBusage\fR file. (See also
 \fB/proc/\fR\fIpid\fR\fB/lwp/\fR\fIlwpid\fR/\fBlwpusage\fR, below.)
 .SS "lwp"
-.sp
 .LP
 A directory containing entries each of which names an active or zombie lwp
 within the process. These entries are themselves directories containing
 additional files as described below. Only the \fBlwpsinfo\fR file exists in the
 directory of a zombie lwp.
 .SH STRUCTURE OF \fB/proc/\fR\fIpid\fR\fB/lwp/\fR\fIlwpid\fR
-.sp
 .LP
 A given directory \fB/proc/\fR\fIpid\fR\fB/lwp/\fR\fIlwpid\fR contains the
 following entries:
 .SS "lwpctl"
-.sp
 .LP
 Write-only control file. The messages written to this file affect the specific
 lwp rather than the representative lwp, as is the case for the process's
 \fBctl\fR file.
 .SS "lwpstatus"
-.sp
 .LP
 lwp-specific state information. This file contains the \fBlwpstatus\fR
 structure for the specific lwp as described above for the representative lwp in
 the process's \fBstatus\fR file.
 .SS "lwpsinfo"
-.sp
 .LP
 lwp-specific \fBps\fR(1) information. This file contains the \fBlwpsinfo\fR
 structure for the specific lwp as described above for the representative lwp in
 the process's \fBpsinfo\fR file. The \fBlwpsinfo\fR file remains accessible
 after an lwp becomes a zombie.
 .SS "lwpusage"
-.sp
 .LP
 This file contains the \fBprusage\fR structure for the specific lwp as
 described above for the process's \fBusage\fR file.
 .SS "gwindows"
-.sp
 .LP
 This file exists only on SPARC based machines. If it is non-empty, it contains
 a \fBgwindows_t\fR structure, defined in \fB<sys/regset.h>\fR, with the values
@@ -1523,7 +1517,6 @@ pointer is improperly aligned. If the lwp is not stopped or if there are no
 register windows that could not be stored on the stack, the file is empty (the
 usual case).
 .SS "xregs"
-.sp
 .LP
 Extra state registers. The extra state register set is architecture dependent;
 this file is empty if the system does not support extra state registers. If the
@@ -1532,7 +1525,6 @@ file is non-empty, it contains an architecture dependent structure of type
 extra state registers. If the lwp is not stopped, all register values are
 undefined. See also the \fBPCSXREG\fR control operation, below.
 .SS "asrs"
-.sp
 .LP
 This file exists only for 64-bit SPARC V9 processes. It contains an
 \fBasrset_t\fR structure, defined in <\fBsys/regset.h\fR>, containing the
@@ -1540,7 +1532,6 @@ values of the lwp's platform-dependent ancillary state registers. If the lwp is
 not stopped, all register values are undefined. See also the \fBPCSASRS\fR
 control operation, below.
 .SS "spymaster"
-.sp
 .LP
 For an agent lwp (see \fBPCAGENT\fR), this file contains a \fBpsinfo_t\fR
 structure that corresponds to the process that created the agent lwp at the
@@ -1549,7 +1540,6 @@ the \fBpsinfo\fR file, with one modification: the \fBpr_time\fR field does not
 correspond to the CPU time for the process, but rather to the creation time of
 the agent lwp.
 .SS "templates"
-.sp
 .LP
 A directory which contains references to the active templates for the lwp,
 named by the contract type. Changes made to an active template descriptor do
@@ -1557,7 +1547,6 @@ not affect the original template which was activated, though they do affect the
 active template. It is not possible to activate an active template descriptor.
 See \fBcontract\fR(4).
 .SH CONTROL MESSAGES
-.sp
 .LP
 Process state changes are effected through messages written to a process's
 \fBctl\fR file or to an individual lwp's \fBlwpctl\fR file. All control
@@ -1577,7 +1566,6 @@ Descriptions of the allowable control messages follow. In all cases, writing a
 message to a control file for a process or lwp that has terminated elicits the
 error \fBENOENT\fR.
 .SS "PCSTOP PCDSTOP PCWSTOP PCTWSTOP"
-.sp
 .LP
 When applied to the process control file, \fBPCSTOP\fR directs all lwps to stop
 and waits for them to stop, \fBPCDSTOP\fR directs all lwps to stop without
@@ -1626,7 +1614,6 @@ level, has no user-level address space visible through \fB/proc\fR, and cannot
 be stopped. Applying one of these operations to a system process or any of its
 lwps elicits the error \fBEBUSY\fR.
 .SS "PCRUN"
-.sp
 .LP
 Make an lwp runnable again after a stop. This operation takes a \fBlong\fR
 operand containing zero or more of the following flags:
@@ -1707,7 +1694,6 @@ event of interest, the representative lwp is marked \fBPR_REQUESTED\fR. If, as
 a consequence, all lwps are in the \fBPR_REQUESTED\fR or \fBPR_SUSPENDED\fR
 stop state, all lwps showing \fBPR_REQUESTED\fR are made runnable.
 .SS "PCSTRACE"
-.sp
 .LP
 Define a set of signals to be traced in the process. The receipt of one of
 these signals by an lwp causes the lwp to stop. The set of signals is defined
@@ -1720,11 +1706,9 @@ sent to the lwp, the signal is not received and does not cause a stop until it
 is removed from the held signal set, either by the lwp itself or by setting the
 held signal set with \fBPCSHOLD\fR.
 .SS "PCCSIG"
-.sp
 .LP
 The current signal, if any, is cleared from the specific or representative lwp.
 .SS "PCSSIG"
-.sp
 .LP
 The current signal and its associated signal information for the specific or
 representative lwp are set according to the contents of the operand
@@ -1736,7 +1720,6 @@ and an additional \fBPR_SIGNALLED\fR stop does not intervene even if the signal
 is traced. Setting the current signal to \fBSIGKILL\fR terminates the process
 immediately.
 .SS "PCKILL"
-.sp
 .LP
 If applied to the process control file, a signal is sent to the process with
 semantics identical to those of \fBkill\fR(2). If applied to an lwp control
@@ -1744,7 +1727,6 @@ file, a directed signal is sent to the specific lwp. The signal is named in a
 \fBlong\fR operand contained in the message. Sending \fBSIGKILL\fR terminates
 the process immediately.
 .SS "PCUNKILL"
-.sp
 .LP
 A signal is deleted, that is, it is removed from the set of pending signals. If
 applied to the process control file, the signal is deleted from the process's
@@ -1753,14 +1735,12 @@ the lwp's pending signals. The current signal (if any) is unaffected. The
 signal is named in a \fBlong\fR operand in the control message. It is an error
 (\fBEINVAL\fR) to attempt to delete \fBSIGKILL\fR.
 .SS "PCSHOLD"
-.sp
 .LP
 Set the set of held signals for the specific or representative lwp (signals
 whose delivery will be blocked if sent to the lwp). The set of signals is
 specified with a \fBsigset_t\fR operand. \fBSIGKILL\fR and \fBSIGSTOP\fR cannot
 be held; if specified, they are silently ignored.
 .SS "PCSFAULT"
-.sp
 .LP
 Define a set of hardware faults to be traced in the process. On incurring one
 of these faults, an lwp stops. The set is defined via the operand
@@ -1885,12 +1865,10 @@ no signal is posted. The \fBpr_info\fR field in the \fBlwpstatus\fR structure
 identifies the signal to be sent and contains machine-specific information
 about the fault.
 .SS "PCCFAULT"
-.sp
 .LP
 The current fault, if any, is cleared; the associated signal will not be sent
 to the specific or representative lwp.
 .SS "PCSENTRY PCSEXIT"
-.sp
 .LP
 These control operations instruct the process's lwps to stop on entry to or
 exit from specified system calls. The set of system calls to be traced is
@@ -1911,7 +1889,6 @@ instructed to go directly to system call exit by specifying the \fBPRSABORT\fR
 flag in a \fBPCRUN\fR control message. Unless exit from the system call is
 being traced, the lwp returns to user level showing \fBEINTR\fR.
 .SS "PCWATCH"
-.sp
 .LP
 Set or clear a watched area in the controlled process from a \fBprwatch\fR
 structure operand:
@@ -2060,7 +2037,6 @@ process's inherit-on-fork mode, \fBPR_FORK\fR, is set (see \fBPCSET\fR, below).
 All watched areas are cancelled when the traced process performs a successful
 \fBexec\fR(2).
 .SS "PCSET PCUNSET"
-.sp
 .LP
 \fBPCSET\fR sets one or more modes of operation for the traced process.
 \fBPCUNSET\fR unsets these modes. The modes to be set or unset are specified by
@@ -2176,7 +2152,6 @@ or to apply these operations to a system process. The current modes are
 reported in the \fBpr_flags\fR field of \fB/proc/\fR\fIpid\fR\fB/status\fR and
 \fB/proc/\fR\fIpid\fR\fB/lwp/\fR\fIlwp\fR\fB/lwpstatus\fR.
 .SS "PCSREG"
-.sp
 .LP
 Set the general registers for the specific or representative lwp according to
 the operand \fBprgregset_t\fR structure.
@@ -2195,7 +2170,6 @@ overflow-bit.
 \fBPCSREG\fR fails with \fBEBUSY\fR if the lwp is not stopped on an event of
 interest.
 .SS "PCSVADDR"
-.sp
 .LP
 Set the address at which execution will resume for the specific or
 representative lwp from the operand \fBlong\fR. On SPARC based systems, both
@@ -2203,7 +2177,6 @@ representative lwp from the operand \fBlong\fR. On SPARC based systems, both
 address. On x86-based systems, only %eip is set. \fBPCSVADDR\fR fails with
 \fBEBUSY\fR if the lwp is not stopped on an event of interest.
 .SS "PCSFPREG"
-.sp
 .LP
 Set the floating-point registers for the specific or representative lwp
 according to the operand \fBprfpregset_t\fR structure. An error (\fBEINVAL\fR)
@@ -2212,7 +2185,6 @@ floating-point hardware and the system does not emulate floating-point machine
 instructions). \fBPCSFPREG\fR fails with \fBEBUSY\fR if the lwp is not stopped
 on an event of interest.
 .SS "PCSXREG"
-.sp
 .LP
 Set the extra state registers for the specific or representative lwp according
 to the architecture-dependent operand \fBprxregset_t\fR structure. An error
@@ -2220,7 +2192,6 @@ to the architecture-dependent operand \fBprxregset_t\fR structure. An error
 registers. \fBPCSXREG\fR fails with \fBEBUSY\fR if the lwp is not stopped on an
 event of interest.
 .SS "PCSASRS"
-.sp
 .LP
 Set the ancillary state registers for the specific or representative lwp
 according to the SPARC V9 platform-dependent operand \fBasrset_t\fR structure.
@@ -2230,7 +2201,6 @@ state registers are privileged registers that cannot be modified. Only those
 that can be modified are set; all others are silently ignored. \fBPCSASRS\fR
 fails with \fBEBUSY\fR if the lwp is not stopped on an event of interest.
 .SS "PCAGENT"
-.sp
 .LP
 Create an agent lwp in the controlled process with register values from the
 operand \fBprgregset_t\fR structure (see \fBPCSREG\fR, above). The agent lwp is
@@ -2291,7 +2261,6 @@ agent lwp.
 Symbolic constants for system call trap numbers like \fBSYS_lwp_exit\fR and
 \fBSYS_lwp_create\fR can be found in the header file <\fBsys/syscall.h\fR>.
 .SS "PCREAD PCWRITE"
-.sp
 .LP
 Read or write the target process's address space via a \fBpriovec\fR structure
 operand:
@@ -2318,7 +2287,6 @@ space, or when stepping over a breakpointed instruction. Unlike \fBpread\fR(2)
 and \fBpwrite\fR(2), no provision is made for partial reads or writes; if the
 operation cannot be performed completely, it fails with \fBEIO\fR.
 .SS "PCNICE"
-.sp
 .LP
 The traced process's \fBnice\fR(2) value is incremented by the amount in the
 operand \fBlong\fR. Only a process with the {\fBPRIV_PROC_PRIOCNTL\fR}
@@ -2326,7 +2294,6 @@ privilege asserted in its effective set can better a process's priority in this
 way, but any user may lower the priority. This operation is not meaningful for
 all scheduling classes.
 .SS "PCSCRED"
-.sp
 .LP
 Set the target process credentials to the values contained in the
 \fBprcred_t\fR structure operand (see \fB/proc/\fR\fIpid\fR\fB/cred\fR). The
@@ -2336,13 +2303,11 @@ set. The target process's supplementary groups are not changed; the
 ignored. Only the privileged processes can perform this operation; for all
 others it fails with \fBEPERM\fR.
 .SS "PCSCREDX"
-.sp
 .LP
 Operates like \fBPCSCRED\fR but also sets the supplementary groups; the length
 of the data written with this control operation should be "sizeof
 (\fBprcred_t\fR) + sizeof (\fBgid_t)\fR * (#groups - 1)".
 .SS "PCSPRIV"
-.sp
 .LP
 Set the target process privilege to the values contained in the \fBprpriv_t\fR
 operand (see \fB/proc/pid/priv\fR). The effective, permitted, inheritable, and
@@ -2360,7 +2325,6 @@ of the sets in the target process.
 If any of the above restrictions are not met, \fBEPERM\fR is returned. If the
 structure written is improperly formatted, \fBEINVAL\fR is returned.
 .SH PROGRAMMING NOTES
-.sp
 .LP
 For security reasons, except for the \fBpsinfo\fR, \fBusage\fR, \fBlpsinfo\fR,
 \fBlusage\fR, \fBlwpsinfo\fR, and \fBlwpusage\fR files, which are
@@ -2419,7 +2383,6 @@ descriptor has become invalid. \fBPOLLNVAL\fR is returned immediately if
 to a system process (see \fBPCSTOP\fR). The requested events may be empty to
 wait simply for termination.
 .SH FILES
-.sp
 .ne 2
 .na
 \fB\fB/proc\fR\fR
@@ -2582,6 +2545,16 @@ process aux vector
 .sp
 .ne 2
 .na
+\fB\fB/proc/\fIpid\fR/argv\fR\fR
+.ad
+.sp .6
+.RS 4n
+process argument vector
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fB/proc/\fIpid\fR/ldt\fR\fR
 .ad
 .sp .6
@@ -2820,7 +2793,6 @@ For an agent LWP, the controlling process
 .RE
 
 .SH SEE ALSO
-.sp
 .LP
 \fBls\fR(1), \fBps\fR(1), \fBchroot\fR(1M), \fBalarm\fR(2), \fBbrk\fR(2),
 \fBchdir\fR(2), \fBchroot\fR(2), \fBclose\fR(2), \fBcreat\fR(2), \fBdup\fR(2),
@@ -2836,7 +2808,6 @@ For an agent LWP, the controlling process
 \fBwait\fR(3C), \fBcontract\fR(4), \fBcore\fR(4), \fBprocess\fR(4),
 \fBlfcompile\fR(5), \fBprivileges\fR(5)
 .SH DIAGNOSTICS
-.sp
 .LP
 Errors that can occur in addition to the errors normally associated with file
 system access:
@@ -2991,14 +2962,12 @@ restrictions. See \fBprivileges\fR(5).
 .RE
 
 .SH NOTES
-.sp
 .LP
 Descriptions of structures in this document include only interesting structure
 elements, not filler and padding fields, and may show elements out of order for
 descriptive clarity. The actual structure definitions are contained in
 \fB<procfs.h>\fR\&.
 .SH BUGS
-.sp
 .LP
 Because the old \fBioctl\fR(2)-based version of \fB/proc\fR is currently
 supported for binary compatibility with old applications, the top-level
diff --git a/usr/src/man/man5/Makefile b/usr/src/man/man5/Makefile
index 84d3f6aab6..27c549e44d 100644
--- a/usr/src/man/man5/Makefile
+++ b/usr/src/man/man5/Makefile
@@ -14,6 +14,7 @@
 # Copyright (c) 2012 by Delphix. All rights reserved.
 # Copyright 2014 Nexenta Systems, Inc.
 # Copyright 2014 Garrett D'Amore <garrett@damore.org>
+# Copyright (c) 2015, Joyent, Inc.  All rights reserved.
 #
 
 include		$(SRC)/Makefile.master
@@ -41,8 +42,10 @@ MANFILES=	Intro.5			\
 		device_clean.5		\
 		dhcp.5			\
 		environ.5		\
+		epoll.5			\
 		eqn.5			\
 		eqnchar.5		\
+		eventfd.5		\
 		extendedFILE.5		\
 		filesystem.5		\
 		fnmatch.5		\
@@ -55,6 +58,7 @@ MANFILES=	Intro.5			\
 		iconv_unicode.5		\
 		ieee802.3.5		\
 		ieee802.11.5		\
+		inotify.5		\
 		ipfilter.5		\
 		isalist.5		\
 		kerberos.5		\
@@ -75,6 +79,7 @@ MANFILES=	Intro.5			\
 		ms.5			\
 		mutex.5			\
 		nfssec.5		\
+		overlay.5		\
 		pam_allow.5		\
 		pam_authtok_check.5	\
 		pam_authtok_get.5	\
@@ -119,6 +124,7 @@ MANFILES=	Intro.5			\
 		tecla.5			\
 		term.5			\
 		threads.5		\
+		timerfd.5		\
 		trusted_extensions.5	\
 		vgrindefs.5		\
 		zones.5			\
diff --git a/usr/src/man/man5/epoll.5 b/usr/src/man/man5/epoll.5
new file mode 100644
index 0000000000..94314861d9
--- /dev/null
+++ b/usr/src/man/man5/epoll.5
@@ -0,0 +1,113 @@
+'\" te
+.\"  Copyright (c) 2014, Joyent, Inc. All Rights Reserved.
+.\"  This file and its contents are supplied under the terms of the
+.\"  Common Development and Distribution License ("CDDL"), version 1.0.
+.\"  You may only use this file in accordance with the terms of version
+.\"  1.0 of the CDDL.
+.\" 
+.\"  A full copy of the text of the CDDL should have accompanied this
+.\"  source.  A copy of the CDDL is also available via the Internet at
+.\"  http://www.illumos.org/license/CDDL.
+.TH EPOLL 5 "Apr 17, 2014"
+.SH NAME
+epoll \- Linux-compatible I/O event notification facility
+.SH SYNOPSIS
+
+.LP
+.nf
+#include <sys/epoll.h>
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+
+\fBepoll\fR is a facility for efficient event-oriented I/O that has a
+similar model to \fBpoll\fR(2), but does not necessitate rescanning a
+set of file descriptors to wait for an event.  \fBepoll\fR is of Linux
+origins, and this facility is designed to be binary-compatible with
+the Linux facility, including the following interfaces:
+
+.RS +4
+.TP
+.ie t \(bu
+.el o
+\fBepoll_create\fR(3C) creates an \fBepoll\fR instance, returning a file
+descriptor. It contains a size arugment which is meaningful only in as
+much as it cannot be 0.
+.RE
+.RS +4
+.TP
+.ie t \(bu
+.el o
+\fBepoll_create1\fR(3C) also creates an \fBepoll\fR instance, but eliminates
+the meaningless size argument -- replacing it instead with a flags
+argument.
+.RE
+.RS +4
+.TP
+.ie t \(bu
+.el o
+\fBepoll_ctl\fR(3C) allows file descriptors to be added
+(via \fBEPOLL_CTL_ADD\fR), deleted (via \fBEPOLL_CTL_DEL\fR) or
+modified (via \fBEPOLL_CTL_MOD\fR) with respect to the \fBepoll\fR'd set
+of file descriptors.
+.RE
+.RS +4
+.TP
+.ie t \(bu
+.el o
+\fBepoll_wait\fR(3C) fetches pending events for file descriptors added
+via \fBepoll_ctl\fR(3C), blocking the caller if no such events are pending.
+.RE
+.RS +4
+.TP
+.ie t \(bu
+.el o
+\fBepoll_pwait\fR(3C) opeates in a similar manner to \fBepoll_wait\fR(3C), but
+allows the caller to specify a signal mask to be set atomically with respect
+to waiting for events.
+.RE
+
+.sp
+.SH NOTES
+.sp
+.LP
+
+The \fBepoll\fR facility is implemented
+for purposes of offering compatibility to and portability of Linux-borne
+applications; native applications should continue to prefer using event ports
+via the \fBport_create\fR(3C),
+\fBport_associate\fR(3C) and \fBport_getn\fR(3C) interfaces.
+In particular, use of \fBepoll\fR in a multithreaded environment is fraught
+with peril; even when using \fBEPOLLONESHOT\fR for one-shot events,
+there are race conditions with respect to \fBclose\fR(2) that are unresolvable.
+(For more details, see the aborted effort in Linux to resolve this via the
+proposed
+\fBEPOLL_CTL_DISABLE\fR operation.)
+The event port facility -- like the BSD kqueue facility that inspired it --
+is designed to deal with such issues via explicit event source dissociation.
+
+While a best effort has been made to mimic the Linux semantics, there
+are some semantics that are too peculiar or ill-conceived to merit
+accommodation.  In particular, the Linux \fBepoll\fR facility will -- by
+design -- continue to generate events for closed file descriptors where/when
+the underlying file description remains open.  For example, if one were
+to \fBfork\fR(2) and subsequently close an actively \fBepoll\fR'd file
+descriptor in the parent,
+any events generated in the child on the implicitly duplicated file descriptor
+will continue to be delivered to the parent -- despite the fact that the
+parent itself no longer has any notion of the file description!
+This \fBepoll\fR facility refuses to honor
+these semantics; closing the \fBEPOLL_CTL_ADD\fR'd file descriptor
+will always result in no further
+events being generated for that event description.
+
+.SH SEE ALSO
+.sp
+.LP
+\fBepoll_create\fR(3C), \fBepoll_create1\fR(3C), \fBepoll_ctl\fR(3C),
+\fBepoll_wait\fR(3C), \fBepoll_pwait\fR(3C),
+\fBport_create\fR(3C), \fBport_associate\fR(3C), \fBport_dissociate\fR(3C),
+\fBport_get\fR(3C),
+\fBpselect\fR(3C)
diff --git a/usr/src/man/man5/eventfd.5 b/usr/src/man/man5/eventfd.5
new file mode 100644
index 0000000000..fc30495070
--- /dev/null
+++ b/usr/src/man/man5/eventfd.5
@@ -0,0 +1,34 @@
+'\" te
+.\"  Copyright (c) 2014, Joyent, Inc. All Rights Reserved.
+.\"  This file and its contents are supplied under the terms of the
+.\"  Common Development and Distribution License ("CDDL"), version 1.0.
+.\"  You may only use this file in accordance with the terms of version
+.\"  1.0 of the CDDL.
+.\" 
+.\"  A full copy of the text of the CDDL should have accompanied this
+.\"  source.  A copy of the CDDL is also available via the Internet at
+.\"  http://www.illumos.org/license/CDDL.
+.TH EVENTFD 5 "Dec 3, 2014"
+.SH NAME
+eventfd \- Linux-compatible user event notification facility
+.SH SYNOPSIS
+
+.LP
+.nf
+#include <sys/eventfd.h>
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+
+\fBeventfd\fR is a Linux-borne facility for sending and receiving user
+events via a file descriptor.  While the facility itself is somewhat dubious
+(it can be mimicked in an entirely portable way with a pipe), it is
+small and straightforward and this implementation is entirely compatible
+with its Linux antecedent; see \fBeventfd\fR(3C) for details.
+
+.SH SEE ALSO
+.sp
+.LP
+\fBeventfd\fR(3C)
diff --git a/usr/src/man/man5/inotify.5 b/usr/src/man/man5/inotify.5
new file mode 100644
index 0000000000..9b0016101d
--- /dev/null
+++ b/usr/src/man/man5/inotify.5
@@ -0,0 +1,305 @@
+'\" te
+.\"  Copyright (c) 2014, Joyent, Inc. All Rights Reserved.
+.\"  This file and its contents are supplied under the terms of the
+.\"  Common Development and Distribution License ("CDDL"), version 1.0.
+.\"  You may only use this file in accordance with the terms of version
+.\"  1.0 of the CDDL.
+.\" 
+.\"  A full copy of the text of the CDDL should have accompanied this
+.\"  source.  A copy of the CDDL is also available via the Internet at
+.\"  http://www.illumos.org/license/CDDL.
+.TH INOTIFY 5 "Sep 17, 2014"
+.SH NAME
+inotify \- Linux-compatible file event notification facility
+.SH SYNOPSIS
+
+.LP
+.nf
+#include <sys/inotify.h>
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+
+\fBinotify\fR is a facility for receiving file system events on specified
+files or directories.  When monitoring a directory, \fBinotify\fR can be
+used to retrieve events not only on the directory, but also on any files
+that the directory contains.  \fBinotify\fR originated with Linux, and
+this facility is designed to be binary-compatible with the Linux facility,
+including the following interfaces:
+
+.RS +4
+.TP
+.ie t \(bu
+.el o
+\fBinotify_init\fR(3C) creates an \fBinotify\fR instance, returning a file
+descriptor associated with the in-kernel event queue.
+.RE
+.RS +4
+.TP
+.ie t \(bu
+.el o
+\fBinotify_init1\fR(3C) also creates an \fBinotify\fR instance, but allows
+for a flags argument that controls some attributes of the returned file
+descriptor.
+.RE
+.RS +4
+.TP
+.ie t \(bu
+.el o
+\fBinotify_add_watch\fR(3C) allows a watch of a particular file or directory
+to be added to a watch list associated with the specified \fBinotify\fR
+instance. \fBinotify_add_watch\fR(3C) returns a watch descriptor that will
+be reflected in the \fIwd\fR member of the \fIinotify_event\fR structure
+returned via a \fBread\fR(2) of the instance.
+.RE
+.RS +4
+.TP
+.ie t \(bu
+.el o
+\fBinotify_rm_watch\fR(3C) removes the watch that corresponds to the specified
+watch descriptor.
+.RE
+
+When all file descriptors referring to a particular \fBinotify\fR instance
+are closed, the instance and all watches associated with that instance are
+freed.
+
+To consume events on an \fBinotify\fR instance, an application should 
+issue a \fBread\fR(2) to the instance.  If no events are available
+(and the \fBinotify\fR instance has not been explicitly made non-blocking
+via \fBinotify_init1\fR(3C)) the \fBread\fR(2) will block until a
+watched event occurs. If and when events are available, \fBread\fR(2) will
+return an array of the following structures:
+
+.sp
+.in +2
+.nf
+struct inotify_event {
+        int      wd;       /* watch descriptor */
+        uint32_t mask;     /* mask of event */
+        uint32_t cookie;   /* cookie for associating renames */
+        uint32_t len;      /* size of name field */
+        char     name[];   /* optional name */
+};
+.fi
+.in -2
+
+\fIwd\fR contains the watch descriptor that corresponds to the event,
+as returned by \fBinotify_add_watch\fR(3C).
+
+\fImask\fR is a bitwise \fBOR\fR of event masks (see below) that
+describes the event.
+
+\fIcookie\fR is an opaque value that can be used to associate different
+events into a single logical event. In particular, it allows consumers to
+associate \fBIN_MOVED_FROM\fR events with subsequent \fBIN_MOVED_TO\fR
+events.
+
+\fIlen\fR denotes the length of the \fIname\fR field, including any padding
+required for trailing null bytes and alignment. The size of the entire
+event is therefore the size of the \fIinotify_event\fR structure plus the
+value of \fIlen\fR.
+
+\fIname\fR contains the name of the file associated with the event, if any.
+This field is only present when the watched entity is a directory and
+the event corresponds to a file that was contained by the watched directory
+(though see \fBNOTES\fR and \fBWARNINGS\fR for details and limitations).
+When present, \fIname\fR is null terminated, and may contain additional
+zero bytes
+to pad for alignment. (The length of this field -- including any bytes
+for alignment -- is denoted by the \fIlen\fR field.)
+
+.SS "Events"
+
+The events that can be generated on a watched entity are as follows:
+
+.sp
+.in +2
+.TS
+c c
+l l .
+\fIEvent\fR	\fIDescription\fR
+\fBIN_ACCESS\fR	File/directory was accessed
+\fBIN_ATTRIB\fR	File/directory attributes were changed
+\fBIN_CLOSE_WRITE\fR	File/directory opened for writing was closed 
+\fBIN_CLOSE_NOWRITE\fR	File/directory not opened for writing was closed
+\fBIN_CREATE\fR	File/directory created in watched directory
+\fBIN_DELETE\fR	File/directory deleted from watched directory
+\fBIN_DELETE_SELF\fR	Watched file/directory was deleted
+\fBIN_MODIFY\fR	File/directory was modified
+\fBIN_MODIFY_SELF\fR	Watched file/directory was modified
+\fBIN_MOVED_FROM\fR	File was renamed from entity in watched directory
+\fBIN_MOVED_TO\fR	File was renamed to entity in watched directory
+\fBIN_OPEN\fR	File/directory was opened
+.TE
+.in -2
+
+Of these, all events except \fBIN_MOVE_SELF\fR and \fBIN_DELETE_SELF\fR
+can refer to either the watched entity or (if the watched entity
+is a directory) a file or directory contained by the watched directory.
+(See \fBNOTES\fR and \fBWARNINGS\fR, below for details on this
+mechanism and its limitations.)
+If the event corresponds to a contained entity,
+\fIname\fR will be set to the name of the affected
+entity.
+
+In addition to speciyfing events of interest, watched events may
+be modified by potentially setting any of the following when adding a
+watch via \fBinotify_add_watch\fR(3C):
+
+.sp
+.ne 2
+.na
+\fBIN_DONT_FOLLOW\fR
+.ad
+.RS 12n
+Don't follow the specified pathname if it is a symbolic link.
+.RE
+
+.sp
+.ne 2
+.na
+\fBIN_EXCL_UNLINK\fR
+.ad
+.RS 12n
+If watching a directory and a contained entity becomes unlinked, cease
+generating events for that entity. (By default, contained entities will
+continue to generate events on their former parent directory.)
+.RE
+
+.sp
+.ne 2
+.na
+\fBIN_MASK_ADD\fR
+.ad
+.RS 12n
+If the specified pathname is already being watched, the specified events
+will be added to the watched events instead of the default behavior of
+replacing them. (If one
+may forgive the editorializing, this particular interface gewgaw
+seems entirely superfluous, and a canonical example of
+feasibility trumping wisdom.)
+.RE
+
+.sp
+.ne 2
+.na
+\fBIN_ONESHOT\fR
+.ad
+.RS 12n
+Once an event has been generated for the watched entity, remove the
+watch from the watch list as if \fBinotify_rm_watch\fR(3C) had been called
+on it (thereby inducing an \fBIN_IGNORED\fR event).
+.RE
+
+.sp
+.ne 2
+.na
+\fBIN_ONLYDIR\fR
+.ad
+.RS 12n
+Only watch the specified pathname if it is a directory.
+.RE
+
+In addition to the specified events, the following bits may be specified
+in the \fImask\fR field as returned from \fBread\fR(2):
+
+.sp
+.ne 2
+.na
+\fBIN_IGNORED\fR
+.ad
+.RS 12n
+A watch was removed explicitly (i.e, via \fBinotify_rm_watch\fR(3C)) or
+implicitly (e.g., because \fBIN_ONESHOT\fR was set or because the watched
+entity was deleted). 
+.RE
+
+.sp
+.ne 2
+.na
+\fBIN_ISDIR\fR
+.ad
+.RS 12n
+The entity inducing the event is a directory.
+.RE
+
+.sp
+.ne 2
+.na
+\fBIN_Q_OVERFLOW\fR
+.ad
+.RS 12n
+The event queue exceeded the maximum event queue length per instance.
+(By default, this is 16384, but it can be tuned by setting 
+\fBinotify_maxevents\fR via \fB/etc/system\fR.)
+.RE
+
+.sp
+.ne 2
+.na
+\fBIN_UNMOUNT\fR
+.ad
+.RS 12n
+The filesystem containing the watched entity was unmounted.
+.RE
+
+.sp
+.SH NOTES
+.sp
+.LP
+
+\fBinotify\fR instances can be monitored via \fBpoll\fR(2), 
+\fBport_get\fR(3C), \fBepoll\fR(5), etc.
+
+The event queue associated with an \fBinotify\fR instance is serialized
+and ordered: events will be placed on the tail of the queue in the order
+that they occur.
+
+If at the time an event occurs the tail of the event queue is identical
+to the newly received event, the newly received event will be dropped,
+effectively coalescing the two events.
+
+When watching a directory and receieving events on contained elements
+(i.e., a contained file or subdirectory), note that the information
+received in the \fIname\fR field may be stale:  the file may have been
+renamed between the event and its processing.  If a file has been unlinked
+(and if \fBIN_EXCL_UNLINK\fR has not been set),
+the \fIname\fR will reflect the last name that resolved to the file.
+If a new file is created in the same directory with the old name, events
+on the new file and the old (unlinked) file will become undistinguishable.
+
+The number of bytes that are available to be read on an \fBinotify\fR 
+instance can be determined via a \fBFIONREAD\fR \fBioctl\fR(2).
+
+.sp
+.SH WARNINGS
+.sp
+.LP
+
+While a best effort has been made to mimic the Linux semantics, there
+remains a fundamental difference with respect to hard links:  on Linux,
+if a file has multiple hard links to it, a notification on a watched
+directory or file will be received if and only if that event was received
+via the watched path.  For events that are induced by open files
+(such as \fBIN_MODIFY\fR), these semantics seem peculiar:  the watched
+file is in fact changing, but because it is not changing via the watched
+path, no notification is received.  By contrast, the implementation here
+will always yield an event in this case -- even if the event was induced
+by an \fBopen\fR(2) via an unwatched path.  If an event occurs within a
+watched directory on a file for which there exist multiple hard links within
+the same (watched) directory, the event's \fIname\fR will correspond to one
+of the links to the file.  If multiple hard links exist to the
+same file in the same watched directory and one of the links is removed,
+notifications may not necessarily continue to be received for the file,
+despite the (remaining) link in the watched directory; users of
+\fBinotify\fR should exercise extreme caution when watching directories
+that contain files with multiple hard links in the same directory.
+
+.SH SEE ALSO
+.sp
+.LP
+\fBinotify_init\fR(3C), \fBinotify_init1\fR(3C), \fBinotify_add_watch\fR(3C),
+\fBinotify_rm_watch\fR(3C), \fBport_get\fR(3C), \fBepoll\fR(5)
diff --git a/usr/src/man/man5/overlay.5 b/usr/src/man/man5/overlay.5
new file mode 100644
index 0000000000..12134ebb82
--- /dev/null
+++ b/usr/src/man/man5/overlay.5
@@ -0,0 +1,499 @@
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright 2015 Joyent, Inc.
+.\"
+.Dd Apr 09, 2015
+.Dt OVERLAY 5
+.Os
+.Sh NAME
+.Nm overlay
+.Nd Overlay Devices
+.Sh DESCRIPTION
+Overlay devices are a GLDv3 device that allows users to create overlay
+networks that can be used to form the basis of network virtualization
+and software defined networking. Overlay networks allow a single
+physical network, often called an
+.Sy underlay
+network, to provide the means for creating multiple logical, isolated,
+and discrete layer two and layer three networks on top of it.
+.Pp
+Overlay devices are administered through
+.Xr dladm 1M .
+Overlay devices themselves cannot be plumbed up with
+.Sy IP ,
+.Sy vnd ,
+or any other protocol. Instead, like an
+.Sy etherstub ,
+they allow for VNICs to be created on top of them. Like an
+.Sy etherstub ,
+an overlay device acts as a local switch; however, when it encounters a
+non-local destination address, it instead looks up where it should send
+the packet, encapsulates it, and sends it out another interface in the
+system.
+.Pp
+A single overlay device encapsulates the logic to answer two different,
+but related, questions:
+.Pp
+.Bl -enum -offset indent -compact
+.It
+How should a packet be transformed and put on the wire?
+.It
+Where should a transformed packet be sent?
+.El
+.Pp
+Each of these questions is answered by a plugin. The first question is
+answered by what's called an
+.Em encapsulation plugin .
+The second question is answered by what's called a
+.Em search plugin .
+Packets are encapsulated and decapsulated using the encapsulation plugin
+by the kernel. The search plugins are all user land plugins that are
+consumed by the varpd service whose FMRI is
+.Em svc:/network/varpd:default .
+This separation allows for the kernel to be responsible for the data
+path, while having the search plugins in userland allows the system to
+provide a much more expressive interface.
+.Ss Overlay Types
+Overlay devices come in
+two different flavors, one where all packets are always sent to a single
+address, the other, where the destination of a packet varies based on
+the target MAC address of the packet. This information is maintained in
+a
+.Em target table ,
+which is independent and unique to each overlay device. We call the
+plugins that send traffic to a single location, for example a single
+unicast or multicast IP address, a
+.Sy point to point
+overlay and the overlay devices that can send traffic to different
+locations based on the MAC address of that packet a
+.Sy dynamic
+overlay. The plugin type is determined based on the type of the
+.Sy search plugin .
+These are all fully listed in the section
+.Sx Plugins and their Properties .
+.Ss Overlay Destination
+Both encapsulation and search plugins define the kinds of destinations
+that they know how to support. An encapsulation plugin always has a
+single destination type that's determined based on how the encapsulation
+is defined. A search plugin, on the other hand, can support multiple
+combinations of destinations. A search plugin must support the
+destination type of the encapsulation device. The destination may
+require any of the following three pieces of information, depending on
+the encapsulation plugin:
+.Bl -hang -width Ds
+.It Sy MAC Address
+.Bd -filled -compact
+An Ethernet MAC address is required to determine the destination.
+.Ed
+.It Sy IP Address
+.Bd -filled -compact
+An IP address is required. Both IPv4 and IPv6 addresses are supported.
+.Ed
+.It Sy Port
+.Bd -filled -compact
+An IP protocol level (TCP, UDP, SCTP, etc.) port is required.
+.Ed
+.El
+.Pp
+The list of destination types that are supported by both the search and
+encapsulation plugins is listed in the section
+.Sx Plugins and their Properties .
+.Ss varpd
+The varpd service, mentioned above, is responsible for providing the
+virtual ARP daemon. Its responsibility is conceptually similar to ARP.
+It runs all instances of search plugins in the system and is responsible
+for answering the kernel's ARP-like questions for where packets should
+be sent.
+.Pp
+The varpd service, svc:/network/varpd:default, must be enabled for
+overlay devices to function. If it is disabled while there are active
+devices, then most overlay devices will not function correctly and
+likely will end up dropping traffic.
+.Sh PLUGINS AND PROPERTIES
+Properties fall into three categories in the system:
+.Bl -enum -offset indent -compact
+.It
+Generic properties all overlay devices have
+.It
+Properties specific to the encapsulation plugin
+.It
+Properties specific to the search plugin
+.El
+.Pp
+Each property in the system has the following attributes, which mirror
+the traditional
+.Xr dladm 1M
+link properties:
+.Bl -hang -width Ds
+.It Sy Name
+.Bd -filled -compact
+The name of a property is namespaced by its module and always structured
+and referred to as as module/property. This allows for both an
+encapsulation and search plugin to have a property with the same name.
+Properties that are valid for all overlay devices and not specific to a
+module do not generally use a module prefix.
+.Pp
+For example, the property
+.Sy vxlan/listen_ip
+is associated with the
+.Sy vxlan
+encapsulation module.
+.Ed
+.It Sy Type
+.Bd -filled -compact
+Each property in the system has a type.
+.Xr dladm 1M
+takes care of converting between the internal representation and a
+value, but the type influences the acceptable input range. The types
+are:
+.Bl -hang -width Ds
+.It Sy INT
+A signed integer that is up to eight bytes long
+.Pq Sy int64_t .
+.It Sy UINT
+An unsigned integer that is up to eight bytes long
+.Pq Sy uint64_t .
+.It Sy IP
+Either an IPv4 or IPv6 address in traditional string form. For example,
+192.168.128.23 or 2001:470:8af4::1:1. IPv4 addresses may also be encoded
+as IPv4-mapped IPv6 addresses.
+.It Sy STRING
+A string of ASCII or UTF-8 encoded characters terminated with a
+.Sy NUL
+byte. The maximum string length, including the terminator, is currently
+256 bytes.
+.El
+.Ed
+.It Sy Permissions
+.Bd -filled -compact
+Each property has permissions associated with it, which indicate whether
+the system considers them read-only properties or read-write properties.
+A read-only property can never be updated once the device is created.
+This generally includes things like the overlay's encapsulation module.
+.Ed
+.It Sy Required
+.Bd -filled -compact
+This property indicates whether the property is required for the given
+plugin. If it is not specified during a call to
+.Sy dladm create-overlay ,
+then the overlay cannot be successfully created. Properties which have a
+.Sy default
+will use that value if one is not specified rather than cause the
+overlay creation to fail.
+.Ed
+.It Sy Current Value
+.Bd -filled -compact
+The current value of a property, if the property has a value set.
+Required properties always have a value set.
+.Ed
+.It Sy Default Value
+.Bd -filled -compact
+The default value is an optional part of a given property. If a property
+does define a default value, then it will be used when an overlay is
+created and no other value is given.
+.Ed
+.It Sy Value ranges
+.Bd -filled -compact
+Value ranges are an optional part of a given property. They indicate a
+range or set of values that are valid and may be set for a property. A
+property may not declare such a range as it may be impractical or
+unknown. For example, most properties based on IP addresses will not
+declare a range.
+.Ed
+.El
+.Pp
+The following sections describe both the modules and the properties that
+exist for each module, noting their name, type, permissions, whether or
+not they are required, and if there is a default value. In addition, the
+effects of each property will be described.
+.Ss Encapsulation Plugins
+.Bl -hang -width Ds
+.It Sy vxlan
+The
+.Sy vxlan
+module is a UDP based encapsulation method. It takes a frame that would
+be put on the wire, wraps it up in a VXLAN header and places it in a UDP
+packet that gets sent out on the underlying network. For more details
+about the specific format of the VXLAN header, see
+.Xr vxlan 7P .
+.Pp
+The
+.Sy vxlan
+module requires both an
+.Sy IP address
+and
+.Sy port
+to address it. It has a 24-bit virtual network ID space, allowing for
+virtual network identifiers that range from
+.Sy 0
+-
+.Sy 16777215 .
+.Pp
+The
+.Sy vxlan
+module has the following properties:
+.Bl -hang -width Ds
+.It Sy vxlan/listen_ip
+.Bd -filled -compact
+Type:
+.Sy IP |
+Permissions:
+.Sy Read/Write |
+.Sy Required
+.Ed
+.Bd -filled
+The
+.Sy vxlan/listen_ip
+property determines the IP address that the system will accept VXLAN
+encapsulated packets on for this overlay.
+.Ed
+.It Sy vxlan/listen_port
+.Bd -filled -compact
+Type:
+.Sy UINT |
+Permissions:
+.Sy Read/Write |
+.Sy Required
+.Ed
+.Bd -filled -compact
+Default Value:
+.Sy 4789 |
+Range:
+.Sy 0 - 65535
+.Ed
+.Bd -filled
+The
+.Sy vxlan/listen_port
+property determines the UDP port that the system will listen on for
+VXLAN traffic for this overlay. The default value is
+.Sy 4789 ,
+the IANA assigned port for VXLAN.
+.Ed
+.El
+.Pp
+The
+.Sy vxlan/listen_ip
+and
+.Sy vxlan/listen_port
+properties determine how the system will accept VXLAN encapsulated
+packets for this interface. It does not determine the interface that
+packets will be sent out over. Multiple overlays that all use VXLAN can
+share the same IP and port combination, as the virtual network
+identifier can be used to tell the different overlays apart.
+.El
+.Ss Search Plugins
+Because search plugins may support multiple destinations, they may have
+more properties listed than necessarily show up for a given overlay.
+For example, the
+.Sy direct
+plugin supports destinations that are identified by both an IP address
+and a port, or just an IP address. In cases where the device is created
+over an overlay that only uses an IP address for its destination, then
+it will not have the
+.Sy direct/dest_port
+property.
+.Bl -hang -width Ds
+.It Sy direct
+The
+.Sy direct
+plugin is a point to point module that can be used to create an overlay
+that forwards all non-local traffic to a single destination. It supports
+destinations that are a combination of an
+.Sy IP Address
+and a
+.Sy port .
+.Pp
+The
+.Sy direct
+plugin has the following properties:
+.Bl -hang -width Ds
+.It Sy direct/dest_ip
+.Bd -filled -compact
+Type:
+.Sy IP |
+Permissions:
+.Sy Read/Write |
+.Sy Required
+.Ed
+.Bd -filled
+The
+.Sy direct/dest_ip
+property indicates the IP address that all traffic will be sent out.
+Traffic will be sent out the corresponding interface based on
+traditional IP routing rules and the configuration of the networking
+stack of the global zone.
+.Ed
+.It Sy direct/dest_port
+.Bd -filled -compact
+Type:
+.Sy UINT |
+Permissions:
+.Sy Read/Write |
+.Sy Required
+.Ed
+.Bd -filled -compact
+Default Value:
+.Sy - |
+Range:
+.Sy 0 - 65535
+.Ed
+.Bd -filled
+The
+.Sy direct/dest_port
+property indicates the TCP or UDP port that all traffic will be directed
+to.
+.Ed
+.El
+.It Sy files
+The
+.Sy files
+plugin implements a
+.Sy dynamic
+plugin that specifies where traffic should be sent based on a file. It
+is a glorified verison of /etc/ethers. The
+.Sy dynamic
+plugin does not support broadcast or multicast traffic, but it has
+support for proxy ARP, NDP, and DHCPv4. For the full details of the file
+format, see
+.Xr overlay_files 4 .
+.Pp
+The
+.Sy files
+plugin has the following property:
+.Bl -hang -width Ds
+.It Sy files/config
+.Bd -filled -compact
+Type:
+.Sy String |
+Permissions:
+.Sy Read/Write |
+.Sy Required
+.Ed
+.Bd -filled
+The
+.Sy files/config
+property specifies an absolute path to a file to read. The file is a
+JSON file that is formatted according to
+.Xr overlay_files 4 .
+.Ed
+.El
+.El
+.Ss General Properties
+Each overaly has the following properties which are used to give
+additional information about the system. None of these properties may be
+specified as part of a
+.Sy dladm create-overlay ,
+instead they come from other arguments or from internal parts of the
+system.
+.Bl -hang -width Ds
+.It Sy encap
+.Bd -filled -compact
+.Sy String |
+Permissions:
+.Sy Read Only
+.Ed
+.Bd -filled
+The
+.Sy encap
+property contains the name of the encapsulation module that's in use.
+.Ed
+.It Sy mtu
+.Bd -filled -compact
+.Sy UINT |
+Permissions:
+.Sy Read/Write
+.Ed
+.Bd -filled -compact
+Default Value:
+.Sy 1400 |
+Range:
+.Sy 576 - 9000
+.Ed
+.Bd -filled
+The
+.Sy mtu
+property describes the maximum transmission unit of the overlay. The
+default value is
+.Sy 1400
+bytes, which ensures that in a traditional deployment with an MTU of
+1500 bytes, the overhead that is added from encapsulation is all
+accounted for. It is the administrator's responsibility to ensure that
+the device's MTU and the encapsulation overhead does not exceed that of
+the interfaces that the encapsulated traffic will be sent out of.
+.Pp
+To modify the
+.Sy mtu
+property, use
+.Sy dladm set-linkprop .
+.Ed
+.It Sy search
+.Bd -filled -compact
+.Sy String |
+Permissions:
+.Sy Read Only
+.Ed
+.Bd -filled
+The
+.Sy search
+property contains the name of the search plugin that's in use.
+.Ed
+.It Sy varpd/id
+.Bd -filled -compact
+.Sy String |
+Permissions:
+.Sy Read Only
+.Ed
+.Bd -filled
+The
+.Sy varpd/id
+property indicates the identifier which the
+.Sy varpd
+service uses for this overlay.
+.Ed
+.It Sy vnetid
+.Bd -filled -compact
+.Sy UINT |
+Permissions:
+.Sy Read/Write
+.Ed
+.Bd -filled
+The
+.Sy vnetid
+property has the virtual network identifier that belongs to this overlay.
+The valid range for the virtual network identifier depends on the
+encapsulation engine.
+.Ed
+.El
+.Sh FMA INTEGRATION
+Overlay devices are wired into FMA, the illumos fault management
+architecture, and generates error reports depending on the
+.Sy search
+plugin in use. Due to limitations in FMA today, when a single overlay
+enters a degraded state, meaning that it cannot properly perform look
+ups or another error occurred, then it degrades the overall
+.Sy overlay
+psuedo-device driver.
+.Pp
+For more fine-grained information about which overlay is actually in a
+.Em degraded
+state, one should run
+.Sy dladm show-overlay -f .
+In addition, for each overlay in a degraded state a more useful
+diagnostic message is provided which describes the reason that caused
+this overlay to enter into a degraded state.
+.Pp
+The overlay driver is self-healing. If the problem corrects itself on
+its own, it will clear the fault on the corresponding device.
+.Sh SEE ALSO
+.Xr dladm 1M ,
+.Xr overlay_files 4 ,
+.Xr vxlan 7P
diff --git a/usr/src/man/man5/privileges.5 b/usr/src/man/man5/privileges.5
index 294eb378b4..260a768e81 100644
--- a/usr/src/man/man5/privileges.5
+++ b/usr/src/man/man5/privileges.5
@@ -1,10 +1,10 @@
 '\" te
 .\" Copyright (c) 2009, Sun Microsystems, Inc. All Rights Reserved.
-.\" Copyright 2013, Joyent, Inc. All Rights Reserved.
+.\" Copyright 2015, Joyent, Inc. All Rights Reserved.
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License. You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.
 .\"  See the License for the specific language governing permissions and limitations under the License. When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with
 .\" the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH PRIVILEGES 5 "Feb 3, 2015"
+.TH PRIVILEGES 5 "Apr 15, 2015"
 .SH NAME
 privileges \- process privilege model
 .SH DESCRIPTION
@@ -303,6 +303,16 @@ Allow a process to perform privileged mappings through a graphics device.
 .sp
 .ne 2
 .na
+\fB\fBPRIV_HYPRLOFS_CONTROL\fR\fR
+.ad
+.sp .6
+.RS 4n
+Allow a process to perform hyprlofs name space management.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fBPRIV_IPC_DAC_READ\fR\fR
 .ad
 .sp .6
@@ -517,6 +527,16 @@ Allow a process to lock pages in physical memory.
 .sp
 .ne 2
 .na
+\fB\fBPRIV_PROC_MEMINFO\fR\fR
+.ad
+.sp .6
+.RS 4n
+Allow a process to access physical memory information.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fBPRIV_PROC_OWNER\fR\fR
 .ad
 .sp .6
@@ -670,6 +690,16 @@ Allow a process to configure a system's datalink interfaces.
 .sp
 .ne 2
 .na
+\fB\fBPRIV_SYS_FS_IMPORT\fR\fR
+.ad
+.sp .6
+.RS 4n
+Allow a process to import a potentially untrusted file system (e.g. ZFS recv).
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fBPRIV_SYS_IP_CONFIG\fR\fR
 .ad
 .sp .6
diff --git a/usr/src/man/man5/resource_controls.5 b/usr/src/man/man5/resource_controls.5
index 745d777624..35a78aae6e 100644
--- a/usr/src/man/man5/resource_controls.5
+++ b/usr/src/man/man5/resource_controls.5
@@ -1,16 +1,18 @@
 '\" te
 .\" Copyright (c) 2007, Sun Microsystems, Inc. All Rights Reserved.
+.\" Copyright (c) 2012, Joyent, Inc. All Rights Reserved.
 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
 .TH RESOURCE_CONTROLS 5 "Jul 19, 2013"
 .SH NAME
-resource_controls \- resource controls available through project database
+resource_controls \- resource controls available through projects and zones
 .SH DESCRIPTION
 .sp
 .LP
-The resource controls facility is configured through the project database. See
-\fBproject\fR(4). You can set and modify resource controls through the
+For projects the resource controls facility is configured through the project
+database.  See \fBproject\fR(4). For zones, resource controls are configured
+through \fBzonecfg\fR(1M).  You can set and modify resource controls through the
 following utilities:
 .RS +4
 .TP
@@ -36,6 +38,12 @@ following utilities:
 .el o
 \fBrctladm\fR(1M)
 .RE
+.RS +4
+.TP
+.ie t \(bu
+.el o
+\fBzonecfg\fR(1M)
+.RE
 .sp
 .LP
 In a program, you use \fBsetrctl\fR(2) to set resource control values.
@@ -283,6 +291,19 @@ Maximum allowable number of event ports, expressed as an integer.
 .sp
 .ne 2
 .na
+\fB\fBproject.max-processes\fR\fR
+.ad
+.sp .6
+.RS 4n
+Maximum number of processes that can be active in a project. This rctl is
+similar to \fBproject.max-lwps\fR, except that zombie processes are included.
+This rctl prevents process-slot exhaustion which can occur due to an excessive
+number of zombies. Expressed as an integer.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fBproject.max-sem-ids\fR\fR
 .ad
 .sp .6
@@ -371,6 +392,33 @@ The following zone-wide resource controls are available:
 .sp
 .ne 2
 .na
+\fB\fBzone.cpu-baseline\fR\fR
+.ad
+.sp .6
+.RS 4n
+Sets a baseline amount of CPU time that a zone can use before it is considered
+to be bursting. The unit used is the percentage of a single CPU that is being
+used by all user threads in a zone. The value should be less than the
+\fBzone.cpu-cap\fR rctl value and is expressed as an integer.
+This resource control does not support the \fBsyslog\fR action.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBzone.cpu-burst-time\fR\fR
+.ad
+.sp .6
+.RS 4n
+Sets the number of seconds that a zone can exceed the \fBzone.cpu-baseline\fR
+rctl value before being cpu-capped down to the \fBzone.cpu-baseline\fR.
+A value of 0 means that \fBzone.cpu-baseline\fR can be exceeded indefinitely.
+This resource control does not support the \fBsyslog\fR action.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fBzone.cpu-cap\fR\fR
 .ad
 .sp .6
@@ -389,7 +437,7 @@ not support the \fBsyslog\fR action.
 .ad
 .sp .6
 .RS 4n
-Sets a limit on the number of fair share scheduler (FSS) CPU shares for a zone.
+Sets a value on the number of fair share scheduler (FSS) CPU shares for a zone.
 CPU shares are first allocated to the zone, and then further subdivided among
 projects within the zone as specified in the \fBproject.cpu-shares\fR entries.
 Expressed as an integer. This resource control does not support the
@@ -409,14 +457,25 @@ Total amount of physical locked memory available to a zone.
 .sp
 .ne 2
 .na
+\fB\fBzone.max-lofi\fR\fR
+.ad
+.sp .6
+.RS 4n
+Sets a limit on the number of \fBLOFI\fR(7D) devices that can be created in a
+zone. Expressed as an integer. This resource control does not support the
+\fBsyslog\fR action.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fBzone.max-lwps\fR\fR
 .ad
 .sp .6
 .RS 4n
-Enhances resource isolation by preventing too many LWPs in one zone from
-affecting other zones. A zone's total LWPs can be further subdivided among
-projects within the zone within the zone by using \fBproject.max-lwps\fR
-entries. Expressed as an integer.
+Sets a limit on how many LWPs can be active in a zone. A zone's total LWPs
+can be further subdivided among projects within the zone within the zone by
+using \fBproject.max-lwps\fR entries. Expressed as an integer.
 .RE
 
 .sp
@@ -433,6 +492,33 @@ integer.
 .sp
 .ne 2
 .na
+\fB\fBzone.max-physical-memory\fR\fR
+.ad
+.sp .6
+.RS 4n
+Sets a limit on the amount of physical memory (RSS) that can be used by a zone
+before resident pages start being forcibly paged out.  The unit used is bytes.
+Expressed as an integer.  This resource control does not support the
+\fBsyslog\fR action.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBzone.max-processes\fR\fR
+.ad
+.sp .6
+.RS 4n
+Maximum number of processes that can be active in a zone. This rctl is
+similar to \fBzone.max-lwps\fR, except that zombie processes are included.
+This rctl prevents process-slot exhaustion which can occur due to an excessive
+number of zombies. This rctl can be further subdivided among projects within
+the zone using \fBproject.max-processes\fR. Expressed as an integer.
+.RE
+
+.sp
+.ne 2
+.na
 \fB\fBzone.max-sem-ids\fR\fR
 .ad
 .sp .6
@@ -474,6 +560,18 @@ mappings and \fBtmpfs\fR mounts for this zone.
 .RE
 
 .sp
+.ne 2
+.na
+\fB\fBzone.zfs-io-priority\fR\fR
+.ad
+.sp .6
+.RS 4n
+Sets a value for the \fBzfs\fR(1M) I/O priority for a zone. This is used as
+one of the inputs to determine if a zone's I/O should be throttled.  Expressed
+as an integer. This resource control does not support the \fBsyslog\fR action.
+.RE
+
+.sp
 .LP
 See \fBzones\fR(5).
 .SS "Units Used in Resource Controls"
diff --git a/usr/src/man/man5/timerfd.5 b/usr/src/man/man5/timerfd.5
new file mode 100644
index 0000000000..a6829901aa
--- /dev/null
+++ b/usr/src/man/man5/timerfd.5
@@ -0,0 +1,44 @@
+'\" te
+.\"  Copyright (c) 2015, Joyent, Inc. All Rights Reserved.
+.\"  This file and its contents are supplied under the terms of the
+.\"  Common Development and Distribution License ("CDDL"), version 1.0.
+.\"  You may only use this file in accordance with the terms of version
+.\"  1.0 of the CDDL.
+.\" 
+.\"  A full copy of the text of the CDDL should have accompanied this
+.\"  source.  A copy of the CDDL is also available via the Internet at
+.\"  http://www.illumos.org/license/CDDL.
+.TH TIMERFD 5 "Feb 23, 2015"
+.SH NAME
+timerfd \- Linux-compatible timer notification facility
+.SH SYNOPSIS
+
+.LP
+.nf
+#include <sys/timerfd.h>
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+
+\fBtimerfd\fR is a Linux-borne facility for creating POSIX timers and
+receiving their subsequent events via a file descriptor.
+The facility itself is arguably unnecessary:
+portable code can either use the timeout value present in 
+\fBpoll\fR(2)/\fBport_get\fR(3C)/\fBepoll_wait\fR(3C) or -- if this
+is deemed of unacceptably poor resolution -- create a POSIX timer
+via \fBtimer_create\fR(3C) and use the resulting signal to induce an
+\fBEINTR\fR to polling threads.  (For code that need not be
+portable, the \fBSIGEV_PORT\fR signal notification allows for explicit,
+event-oriented timer notification to be sent to a specified port;
+see \fBsignal.h\fR(3HEAD) for details.)
+This facility therefore exists only to accommodate Linux-borne
+applications and binaries; it is compatible with its Linux antecedent in both
+binary interface and in semantics.
+
+.SH SEE ALSO
+.sp
+.LP
+\fBtimerfd_create\fR(3C), \fBtimerfd_gettime\fR(3C), \fBtimerfd_settime\fR(3C)
+
diff --git a/usr/src/man/man7d/Makefile b/usr/src/man/man7d/Makefile
index 5b5210e985..d940a33833 100644
--- a/usr/src/man/man7d/Makefile
+++ b/usr/src/man/man7d/Makefile
@@ -13,6 +13,7 @@
 # Copyright 2011, Richard Lowe
 # Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
 # Copyright 2014 Garrett D'Amore <garrett@damore.org>
+# Copyright 2014 Joyent, Inc. All rights reserved.
 #
 
 include		$(SRC)/Makefile.master
@@ -142,11 +143,13 @@ _MANFILES=	aac.7d		\
 		virtualkm.7d	\
 		vni.7d		\
 		vr.7d		\
+		vnd.7d		\
 		wscons.7d	\
 		xge.7d		\
 		yge.7d		\
 		zcons.7d	\
-		zero.7d
+		zero.7d		\
+		zfd.7d
 
 sparc_MANFILES=	audiocs.7d	\
 		bbc_beep.7d	\
diff --git a/usr/src/man/man7d/poll.7d b/usr/src/man/man7d/poll.7d
index cd3db77de9..7a3292eb97 100644
--- a/usr/src/man/man7d/poll.7d
+++ b/usr/src/man/man7d/poll.7d
@@ -73,15 +73,6 @@ Pointer to \fBpollfd\fR structure.
 
 .SH DESCRIPTION
 .LP
-Note -
-.sp
-.RS 2
-The \fB/dev/poll\fR device, associated driver and corresponding manpages may be
-removed in a future Solaris release. For similar functionality in the event
-ports framework, see \fBport_create\fR(3C).
-.RE
-.sp
-.LP
 The  \fB/dev/poll\fR driver is a special driver that enables you to monitor
 multiple sets  of polled file descriptors. By using the  \fB/dev/poll\fR
 driver, you can efficiently poll large numbers of file descriptors. Access to
diff --git a/usr/src/man/man7d/vnd.7d b/usr/src/man/man7d/vnd.7d
new file mode 100644
index 0000000000..d311c4dc08
--- /dev/null
+++ b/usr/src/man/man7d/vnd.7d
@@ -0,0 +1,118 @@
+'\" te
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+.\"
+.TH VND 7D "Feb 11, 2014"
+.SH NAME
+vnd \- virtual layer two network driver
+
+.SH SYNOPSIS
+.nf
+.LP
+/dev/vnd/ctl
+.LP
+/dev/vnd/*
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+The vnd driver provides support for a layer two datapath in an
+analogous way that IP(7P) provides a support for an IP-based layer
+three datapath. Both devices operate exclusively on datalinks. A
+datalink that has been plumbed up with IP via ifconfig(1M) or
+ipadm(1M) cannot be used with vnd or vice-versa.
+.sp
+.LP
+The vnd driver supports and takes advantage of the the following
+illumos features:
+.RS
+.sp
+.LP
+Supports dld/dls feature negotation of GLDv3 features, such
+as direct calls, flow control, checksum offloading, and more.
+.sp
+.LP
+All IP and IPv6 based traffic is sent through ipfilter(5),
+allowing packet filtering.
+.sp
+.LP
+Better control over vectored reads and writes in a frame-centric manner
+through framed I/O. See libvnd(3LIB) for more information on these
+interfaces.
+.RE
+.sp
+.LP
+The vnd driver exposes two different kinds of device nodes. The first is
+a self-cloning control node which can be used to create vnd devices on
+top of datalinks. Those devices can optionally be bound into the file
+system namespace under /dev/vnd. Control operations on the control node
+or named devices are private to the implementation. Instead,
+libvnd(3LIB) provides a stable interfaces for using, creating, and
+manipulating vnd devices.
+.sp
+.SH FILES
+.sp
+.ne 2
+.na
+/dev/vnd/ctl
+.ad
+.RS 16n
+vnd self-cloning control node
+.RE
+
+.sp
+.ne 2
+.na
+/dev/vnd/%link
+.ad
+.RS 16n
+Character device that corresponds to the vnd device of the given
+name (%link). A given device will appear for each actively linked device
+in the current zone.
+.RE
+
+.sp
+.ne 2
+.na
+/dev/vnd/zone/%zone/%link
+.ad
+.RS 16n
+These are character devices that correspond to the vnd device of
+the given name (%link). They are organized based on the zone that they
+appear in. Thus if a zone named foo has a vnd device named
+bar, then the global zone will have the file
+/dev/vnd/zone/foo/bar. Note, these only occur in the global zone.
+.RE
+
+.SH ATTRIBUTES
+.sp
+.LP
+See attributes(5) for descriptions of the following attributes:
+.sp
+
+.sp
+.TS
+box;
+c | c
+l | l .
+ATTRIBUTE TYPE	ATTRIBUTE VALUE
+_
+Interface Stability	Evolving
+.TE
+
+.SH SEE ALSO
+.sp
+.LP
+dladm(1M), ipflter(5), libvnd(3LIB), vndadm(1M),
+vndstat(1)
diff --git a/usr/src/man/man7d/zfd.7d b/usr/src/man/man7d/zfd.7d
new file mode 100644
index 0000000000..f06777fee8
--- /dev/null
+++ b/usr/src/man/man7d/zfd.7d
@@ -0,0 +1,39 @@
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright 2014, Joyent, Inc. All rights reserved.
+.\"
+.Dd "Dec 22, 2014"
+.Dt ZFD 7D
+.Os
+.Sh NAME
+.Nm zfd
+.Nd Zone file descriptor driver
+.Sh DESCRIPTION
+The
+.Nm zfd
+character driver exports up to three file descriptors into the zone. These can
+be used by a standalone process within the zone as
+.Vt stdin ,
+.Vt stdout ,
+and
+.Vt stderr .
+The
+.Nm zfd
+driver behaves in a similar manner as the
+.Nm zcons(7D)
+device.
+Inside a zone, the slave side file descriptors appear as
+.Nm /dev/zfd/[0-2] .
+.Sh SEE ALSO
+.Xr zlogin 1 ,
+.Xr zoneadmd 1M ,
+.Xr zcons 7D
diff --git a/usr/src/man/man7fs/Makefile b/usr/src/man/man7fs/Makefile
index a288c94893..d985e95410 100644
--- a/usr/src/man/man7fs/Makefile
+++ b/usr/src/man/man7fs/Makefile
@@ -12,19 +12,23 @@
 #
 # Copyright 2011, Richard Lowe
 # Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
+# Copyright 2014 Joyent, Inc. All rights reserved.
 #
 
 include		$(SRC)/Makefile.master
 
 MANSECT= 	7fs
 
-MANFILES= 	ctfs.7fs	\
+MANFILES= 	bootfs.7fs	\
+		ctfs.7fs	\
 	 	dcfs.7fs	\
 	 	dev.7fs		\
 	 	devfs.7fs	\
 		fd.7fs		\
 	 	hsfs.7fs	\
+	 	hyprlofs.7fs	\
 	 	lofs.7fs	\
+	 	lxproc.7fs	\
 	 	objfs.7fs	\
 	 	pcfs.7fs	\
 	 	sharefs.7fs	\
diff --git a/usr/src/man/man7fs/bootfs.7fs b/usr/src/man/man7fs/bootfs.7fs
new file mode 100644
index 0000000000..130530a1f6
--- /dev/null
+++ b/usr/src/man/man7fs/bootfs.7fs
@@ -0,0 +1,90 @@
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+.\"
+
+.TH BOOTFS 7FS "May 8, 2014"
+.SH NAME
+bootfs \- boot-time module file system
+
+.SH DESCRIPTION
+
+The
+.B bootfs
+file system is a read-only file system that provides access to any
+boot-time modules that were passed in to the system loader which were
+tagged with the type
+.IR file .
+.B bootfs
+does not display any boot-time modules that were tagged as type
+.I hash
+or type
+.IR rootfs .
+
+If modules with duplicate names and paths are specified, only the first
+such entry will be present in the file system and a counter will be
+incremented to indicate that a duplicate entry was found, but is not
+present into the file system. If a module's name only consists of
+invalid characters, such as '.', '..', or '/', then the module will not
+be present in the file system and a counter will be incremented to
+indicate that this has occurred. In both cases, diagnostic information
+is available through the kstats facility.
+
+.SH FILES
+.sp
+.ne 2
+.na
+.B /system/boot
+.ad
+.RS 8n
+The mount point for the
+.B bootfs
+file system in the global zone.
+
+.SH EXAMPLES
+
+.LP
+Example 1 Determining if collisions or invalid names are present
+.sp
+.LP
+To determine if any boot-time modules were not created due to collisions
+or invalid names, enter the following command:
+
+.sp
+.in +2
+.nf
+# kstat -m bootfs
+module: bootfs                          instance: 1     
+name:   bootfs                          class:    fs
+        crtime                          236063.651324041
+        nbytes                          8749355
+        ndirs                           3
+        ndiscard                        0
+        ndup                            0
+        nfiles                          2
+        snaptime                        236063.651324041
+.fi
+.in -2
+.sp
+.LP
+The field
+.B ndiscard
+lists the number of boot-time modules that were discarded due to naming conflicts. The field
+.B ndup
+lists the number of duplicate entries that were found and therefore not displayed in the file system.
+.sp
+.LP
+This information is provided for informational purposes only, it is not to be construed as a stable interface.
+
+.SH SEE ALSO
+.BR kstat (1M),
+.BR grub (5)
diff --git a/usr/src/man/man7fs/hyprlofs.7fs b/usr/src/man/man7fs/hyprlofs.7fs
new file mode 100644
index 0000000000..8655791193
--- /dev/null
+++ b/usr/src/man/man7fs/hyprlofs.7fs
@@ -0,0 +1,62 @@
+'\" te
+.\" Copyright (c) 2012, Joyent, Inc.
+.\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
+.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
+.\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
+.TH HYPRLOFS 7FS "March 7, 2012"
+.SH NAME
+hyprlofs \- fast name space virtual file system
+.SH SYNOPSIS
+.LP
+.nf
+#include <sys/fs/hyprlofs.h>
+
+\fB\fR\fBmount\fR (\fB\fR\fIspecial\fR, \fB\fR\fIdirectory\fR, \fB\fR\fIMS_DATA\fR, \fB\fR\fI"hyprlofs"\fR, \fB\fR\fINULL\fR, \fB\fR\fI0\fR);
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+\fBhyprlofs\fR is a hybrid file system combining features from
+\fBtmpfs(7FS)\fR and \fBlofs(7FS)\fR.
+As with \fBlofs\fR, the \fBhyprlofs\fR file system allows new, virtual file
+systems to be created which provide access to existing files using alternate
+pathnames.  In addition, the files themselves may have alternate names and
+paths within the mount.
+Unlike \fBlofs\fR, files cannot be created and backing files cannot be removed.
+The name space is completely managed through ioctls on the mount.
+Entries in the name space are not mounts and thus, they will not appear in the
+mnttab.  The file system is designed to provide a very fast name space to the
+backing files.  The name space can be modified very quickly through the ioctl
+interface.
+.sp
+.LP
+\fBhyprlofs\fR file systems can be mounted with the command:
+.sp
+.in +2
+.nf
+\fBmount \fR\fB-F\fR\fB hyprlofs swap \fR\fIdirectory\fR
+.fi
+.in -2
+
+.sp
+.LP
+The name space used by \fBhyprlofs\fR exists only in-memory so it will consume
+a small amount of the system's virtual memory.  The files themselves are backed
+by the original file as with \fBlofs\fR.
+
+.SH SEE ALSO
+.sp
+.LP
+\fBdf\fR(1M), \fBmount\fR(1M), \fBswap\fR(1M),
+\fBmount\fR(2), \fBumount\fR(2)
+.sp
+.LP
+\fISystem Administration Guide: Basic Administration\fR
+.SH DIAGNOSTICS
+.sp
+.LP
+\fBdf\fR(1M) output is of limited accuracy since
+the space available to \fBhyprlofs\fR is dependent on the swap
+space demands of the entire system and the files in the name space are not
+included.
diff --git a/usr/src/man/man7fs/lxproc.7fs b/usr/src/man/man7fs/lxproc.7fs
new file mode 100644
index 0000000000..7ef10ce343
--- /dev/null
+++ b/usr/src/man/man7fs/lxproc.7fs
@@ -0,0 +1,115 @@
+'\" te
+.\" Copyright (c) 2012, Joyent, Inc.
+.\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
+.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
+.\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
+.TH LXPROC 7FS "April 25, 2012"
+.SH NAME
+lxproc \- a loosely Linux-compatible /proc
+.SH SYNOPSIS
+.LP
+.nf
+\fB\fR\fBmount\fR (\fB\fR\fI"lxproc"\fR, \fB\fR\fIdirectory\fR, \fB\fR\fIMS_DATA\fR, \fB\fR\fI"lxproc"\fR, \fB\fR\fINULL\fR, \fB\fR\fI0\fR);
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+\fBlxproc\fR is an implementation of the \fB/proc\fR filesystem that
+loosely matches the Linux semantics of providing human-readable text files
+that correspond to elements of the system.
+As with both \fBproc\fR(4) and Linux \fB/proc\fR, \fBlxproc\fR makes available
+a directory for every process, with each directory containing a number
+of files; like Linux \fB/proc\fR but unlike \fBproc\fR(4), \fBlxproc\fR also
+makes available a number of files related to system-wide information.
+To ascertain the meaning and structure of the files provided via
+\fBlxproc\fR, users should consult the Linux documentation.
+.sp
+.LP
+The \fBlxproc\fR compatibility layer is
+provided only as a best-effort for simple Linux \fB/proc\fR readers; it
+is not intended to exactly mimic Linux semantics and nor does it attempt to
+somehow fool a consumer into believing that it is operating within a Linux
+environment. As such, \fBlxproc\fR should only be used by Linux-specific
+programs that are willing to trade precision in understanding the
+system in return for Linux compatibility.  To programmatically understand
+the system precisely and in terms of its native constructs,
+one should not use \fBlxproc\fR, but rather \fBproc\fR(4) or
+\fBkstat\fR(3KSTAT).
+To understand
+a process or group of processes from either a shell script or the command line,
+one should not use \fBlxproc\fR, but rather \fBproc\fR(4)-based tools like
+\fBprstat\fR(1M),
+\fBpfiles\fR(1),
+\fBpargs\fR(1),
+\fBpmap\fR(1),
+\fBptree\fR(1),
+\fBplimit\fR(1),
+\fBpflags\fR(1),
+\fBpcred\fR(1),
+\fBpstack\fR(1),
+\fBpldd\fR(1),
+\fBpsig\fR(1),
+or
+\fBpwdx\fR(1).
+To understand system-wide constructs from either a shell script or the
+command line, one should not use \fBlxproc\fR, but rather
+\fBkstat\fR(3KSTAT)-based tools like
+\fBkstat\fR(1M),
+\fBmpstat\fR(1M),
+\fBiostat\fR(1M),
+\fBnetstat\fR(1M) or
+\fBpsrinfo\fR(1M).
+.sp
+.LP
+Like \fB/proc\fR, \fBlxproc\fR can be mounted on any mount point, but the
+preferred mount point is \fB/system/lxproc\fR; if a zone brand elects to
+mount it by default, this will (or should) generally be the mount point.
+.sp
+.LP
+\fBlxproc\fR can be mounted with the command:
+.sp
+.in +2
+.nf
+\fBmount \fR\fB-F\fR\fB lxproc lxproc \fR\fIdirectory\fR
+.fi
+.in -2
+
+.SH SEE ALSO
+.sp
+.LP
+\fBdf\fR(1M),
+\fBiostat\fR(1M),
+\fBkstat\fR(1M),
+\fBmpstat\fR(1M),
+\fBmount\fR(1M),
+\fBnetstat\fR(1M),
+\fBpargs\fR(1),
+\fBpcred\fR(1),
+\fBpfiles\fR(1),
+\fBpflags\fR(1),
+\fBpldd\fR(1),
+\fBplimit\fR(1),
+\fBpmap\fR(1),
+\fBprstat\fR(1M),
+\fBpsig\fR(1),
+\fBpsrinfo\fR(1M),
+\fBpstack\fR(1),
+\fBptree\fR(1),
+\fBpwdx\fR(1),
+\fBmount\fR(2), \fBumount\fR(2), \fBkstat\fR(3KSTAT), \fBproc\fR(4),
+\fBkstat\fR(9S)
+
+.SH NOTES
+.sp
+.LP
+When choosing between offering
+Linux compatibility and telling the truth, \fBlxproc\fR emphatically picks
+the truth.  A particular glaring example of this is the Linux notion of
+"tasks" (that is, threads), which -- due to historical misadventures on
+Linux -- allocate their identifiers from the process identifier space.
+(That is, each thread has in effect a pid.)  Some Linux \fB/proc\fR readers
+have come to depend on this attribute, and become confused when threads
+appear with proper identifiers, so \fBlxproc\fR simply opts for the pre-2.6
+behavior, and does not present the tasks directory at all.
+
diff --git a/usr/src/man/man7m/Makefile b/usr/src/man/man7m/Makefile
index bb44184ba7..36eb293fc3 100644
--- a/usr/src/man/man7m/Makefile
+++ b/usr/src/man/man7m/Makefile
@@ -12,6 +12,7 @@
 #
 # Copyright 2011, Richard Lowe
 # Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
+# Copyright 2015 Joyent, Inc.
 #
 
 include		$(SRC)/Makefile.master
@@ -20,6 +21,7 @@ MANSECT= 	7m
 
 _MANFILES = 	bufmod.7m	\
 		connld.7m	\
+		datafilt.7m	\
 		ldterm.7m	\
 		pckt.7m		\
 		pfmod.7m	\
diff --git a/usr/src/man/man7m/datafilt.7m b/usr/src/man/man7m/datafilt.7m
new file mode 100644
index 0000000000..f74ac0b103
--- /dev/null
+++ b/usr/src/man/man7m/datafilt.7m
@@ -0,0 +1,46 @@
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright 2014 Ryan Zezeski
+.\" Copyright 2015 Joyent, Inc.
+.\"
+.Dd Apr 21, 2015
+.Dt DATAFILT 7M
+.Os
+.Sh NAME
+.Nm datafilt
+.Nd socket filter module for deferred TCP connections
+.Sh DESCRIPTION
+The
+.Nm datafilt
+socket filter provides deferment of
+.Xr accept 3SOCKET
+for TCP connections. The accept call will not return until at least
+one byte has been buffered by the kernel. Deferment assures the
+application that the first call to
+.Xr read 2 or
+.Xr recv 3SOCKET
+will not block. It reduces unnecessary switching between user and
+kernel.
+.Sh EXAMPLES
+.Ss Example 1
+Enable deferment on the listening socket.
+.Bd -literal
+    setsockopt(lsock, SOL_FILTER, FIL_ATTACH, "datafilt", 8);
+.Ed
+.Ss Example 2
+Disable deferment on the listening socket.
+.Bd -literal
+    char filt[] = "datafilt";
+    setsockopt(lsock, SOL_FILTER, FIL_DETACH, filt, strlen(filt) + 1);
+.Ed
+.Sh SEE ALSO
+.Xr setsockopt 3SOCKET
diff --git a/usr/src/man/man7p/Makefile b/usr/src/man/man7p/Makefile
index bbcf5ecf1d..2b3a92386b 100644
--- a/usr/src/man/man7p/Makefile
+++ b/usr/src/man/man7p/Makefile
@@ -38,7 +38,8 @@ MANFILES= 	arp.7p		\
 	 	sip.7p		\
 	 	slp.7p		\
 	 	tcp.7p		\
-	 	udp.7p
+	 	udp.7p		\
+		vxlan.7p
 
 MANLINKS=	AH.7p		\
 		ARP.7p		\
@@ -49,6 +50,7 @@ MANLINKS=	AH.7p		\
 		SCTP.7p		\
 		TCP.7p		\
 		UDP.7p		\
+		VXLAN.7p	\
 	 	if.7p
 
 ARP.7p		:= LINKSRC = arp.7p
@@ -71,6 +73,8 @@ TCP.7p		:= LINKSRC = tcp.7p
 
 UDP.7p		:= LINKSRC = udp.7p
 
+VXLAN.7p	:= LINKSRC = vxlan.7p
+
 .KEEP_STATE:
 
 include		$(SRC)/man/Makefile.man
diff --git a/usr/src/man/man7p/vxlan.7p b/usr/src/man/man7p/vxlan.7p
new file mode 100644
index 0000000000..a32637b484
--- /dev/null
+++ b/usr/src/man/man7p/vxlan.7p
@@ -0,0 +1,124 @@
+.\"
+.\" This file and its contents are supplied under the terms of the
+.\" Common Development and Distribution License ("CDDL"), version 1.0.
+.\" You may only use this file in accordance with the terms of version
+.\" 1.0 of the CDDL.
+.\"
+.\" A full copy of the text of the CDDL should have accompanied this
+.\" source.  A copy of the CDDL is also available via the Internet at
+.\" http://www.illumos.org/license/CDDL.
+.\"
+.\"
+.\" Copyright 2015 Joyent, Inc.
+.\"
+.Dd Apr 10, 2015
+.Dt VXLAN 7P
+.Os
+.Sh NAME
+.Nm VXLAN ,
+.Nm vxlan
+.Nd Virtual eXtensible Local Area Network
+.Sh SYNOPSIS
+.In sys/vxlan.h
+.Sh DESCRIPTION
+.Nm
+(RFC 7348) is a network encapsulation protocol that is used by
+.Xr overlay 5
+devices. A payload, commonly an Ethernet frame, is placed inside of a
+UDP packet and prepended with an 8-byte
+.Nm
+header.
+.Pp
+The
+.Nm
+header contains two 32-bit words. The first word is an 8-bit flags field
+followed by 24 reserved bits. The second word is a 24-bit virtual network
+identifier followed by 8 reserved bits. The virtual network identifier
+identifies a unique
+.Nm
+and
+is similar in concept to an IEEE 802.1Q VLAN identifier.
+.Pp
+The system provides access to
+.Nm
+through dladm overlays. See
+.Xr dladm 1M
+and
+.Xr overlay 5
+for more information.
+.Pp
+The
+.In sys/vxlan.h
+header provides information for working with the
+.Nm
+protocol. The contents of this header are
+.Sy uncommitted .
+The header defines a structure that may be used to encode and decode a VXLAN
+header. It defines a packed structure type
+.Sy vxlan_hdr_t
+which represents the
+.Nm
+frame header and has the following members:
+.Bd -literal
+	uint32_t	vxlan_flags;	/* flags in upper 8 bits */
+	uint32_t	vxlan_id;	/* VXLAN ID in upper 24 bits */
+.Ed
+.Sh EXAMPLES
+.Sy Example 1
+Decoding a
+.Nm
+header
+.Pp
+The following example shows how to validate a
+.Nm header. For more information on this process, see RFC 7348.
+.Bd -literal -offset indent
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <inttypes.h>
+#include <sys/vxlan.h>
+
+\&...
+
+/*
+ * Validate the following bytes as a VXLAN header. If valid, return
+ * 0 and store the VXLAN identifier in *vidp. Otherwise, return an
+ * error.
+ */
+int
+validate_vxlan(void *buf, int len, uint32_t *vidp)
+{
+	vxlan_hdr_t *hdr;
+
+	if (len < sizeof (vxlan_hdr_t))
+		return (EINAVL);
+
+	hdr = buf;
+	if ((ntohl(hdr->vxlan_flags) & VXLAN_MAGIC) == 0)
+		return (EINAVL);
+
+	*vidp = ntohl(vxlan->vxlan_id) >> VXLAN_ID_SHIFT;
+
+	return (0);
+}
+.Ed
+.Sh STABILITY
+The contents of
+.In sys/vxlan.h
+are
+.Sy Uncommitted .
+.Sh SEE ALSO
+.Xr dladm 1M ,
+.Xr overlay 5
+.Rs
+.%A Mahalingam, M.
+.%A Dutt, D.
+.%A Duda, K.
+.%A Agarwal, P.
+.%A Kreeger L.
+.%A Sridhar, T.
+.%A Bursell, M.
+.%A C. Wright
+.%T RFC 7348, Virtual eXtensible Local Area Network (VXLAN): A Framework
+.%T for Overlaying Virtualized Layer 2 Networks over Layer 3 Networks
+.%D August 2014
+.Re
diff --git a/usr/src/man/man9e/chpoll.9e b/usr/src/man/man9e/chpoll.9e
index a2adaf7a9c..b63f75e4e8 100644
--- a/usr/src/man/man9e/chpoll.9e
+++ b/usr/src/man/man9e/chpoll.9e
@@ -123,6 +123,17 @@ The same as \fBPOLLOUT\fR.
 Priority data (priority band > 0) may be written.
 .RE
 
+.sp
+.ne 2
+.na
+\fB\fBPOLLET\fR\fR
+.ad
+.RS 14n
+The desired event is to be edge-triggered; calls to \fBpollwakeup\fR(9F)
+should not be suppressed, even if the event is pending at the time of
+call to the \fBchpoll()\fR function.
+.RE
+
 .RE
 
 .sp
@@ -170,7 +181,7 @@ called:
 .sp
 .in +2
 .nf
-if (events_are_satisfied_now) {
+if (specified_events_are_satisfied_now) {
       *reventsp = satisfied_events & events;
 } else {
       *reventsp = 0;
@@ -200,7 +211,43 @@ be called with multiple events at one time. The \fBpollwakup()\fR can be called
 regardless of whether or not the \fBchpoll()\fR entry is called; it should be
 called every time the driver detects the pollable event. The driver must not
 hold any mutex across the call to \fBpollwakeup\fR(9F) that is acquired in its
-\fBchpoll()\fR entry point, or a deadlock may result.
+\fBchpoll()\fR entry point, or a deadlock may result.  Note that if
+\fBPOLLET\fR is set in the specified events, the driver must call
+\fBpollwakeup\fR(9F) on subsequent events, even if events are pending at
+the time of the call to \fBchpoll()\fR.
+
+.RE
+.RS +4
+.TP
+4.
+In the \fBclose\fR(9E) entry point, the driver should call \fBpollwakeup()\fR
+on the \fBpollhead\fR structure that corresponds to the closing software
+state, specifying \fBPOLLERR\fR for the events.  Further, upon return from
+\fBpollwakeup()\fR, the driver's \fBclose\fR(9E) entry point should call
+the \fBpollhead_clean\fR(9F) function, specifying the \fBpollhead\fR that
+corresponds to the structure that will be deallocated:
+
+.sp
+.in +2
+.nf
+static int
+mydriver_close(dev_t dev, int flag, int otyp, cred_t *cp)
+{
+      minor_t minor = getminor(dev);
+      mydriver_state_t *state;
+
+      state = ddi_get_soft_state(mydriver_softstate, minor);
+
+      pollwakeup(&state->mydriver_pollhd, POLLERR);
+      pollhead_clean(&state->mydriver_pollhd);
+      ...
+.fi
+.in -2
+
+This step is necessary to inform other kernel subsystems that the memory
+associated with the \fBpollhead\fR is about to be deallocated by the
+\fBclose\fR(9E) entry point.
+
 .RE
 .SH RETURN VALUES
 .sp
diff --git a/usr/src/man/man9f/Makefile b/usr/src/man/man9f/Makefile
index 1198accfda..4666def860 100644
--- a/usr/src/man/man9f/Makefile
+++ b/usr/src/man/man9f/Makefile
@@ -13,6 +13,7 @@
 # Copyright 2011, Richard Lowe
 # Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
 # Copyright 2014 Garrett D'Amore <garrett@damore>
+# Copyright (c) 2015 Joyent, Inc.  All rights reserved.
 #
 
 include		$(SRC)/Makefile.master
@@ -392,6 +393,7 @@ MANFILES= 	ASSERT.9f				\
 	 	pm_power_has_changed.9f			\
 	 	pm_raise_power.9f			\
 	 	pm_trans_check.9f			\
+		pollhead_clean.9f			\
 	 	pollwakeup.9f				\
 	 	priv_getbyname.9f			\
 	 	priv_policy.9f				\
diff --git a/usr/src/man/man9f/kmem_alloc.9f b/usr/src/man/man9f/kmem_alloc.9f
index 9c4f8ccb0c..201544b57c 100644
--- a/usr/src/man/man9f/kmem_alloc.9f
+++ b/usr/src/man/man9f/kmem_alloc.9f
@@ -129,5 +129,8 @@ uninitialized kernel memory should be handled carefully. For example, never
 .SH NOTES
 .sp
 .LP
-\fBkmem_alloc(0\fR, \fIflag\fR\fB)\fR always returns \fINULL\fR.
-\fBkmem_free(NULL, 0)\fR is legal.
+\fBkmem_alloc(0\fR, \fIflag\fR\fB)\fR always returns \fINULL\fR, but
+if \fBKM_SLEEP\fR is set, this behavior is considered to be deprecated;
+the system may be configured to explicitly panic in this case in lieu
+of returning \fINULL\fR.
+\fBkmem_free(NULL, 0)\fR is legal, however.
diff --git a/usr/src/man/man9f/pollhead_clean.9f b/usr/src/man/man9f/pollhead_clean.9f
new file mode 100644
index 0000000000..a163a65a51
--- /dev/null
+++ b/usr/src/man/man9f/pollhead_clean.9f
@@ -0,0 +1,64 @@
+'\" te
+.\"  Copyright (c) 2015, Joyent, Inc. All Rights Reserved.
+.\"  This file and its contents are supplied under the terms of the
+.\"  Common Development and Distribution License ("CDDL"), version 1.0.
+.\"  You may only use this file in accordance with the terms of version
+.\"  1.0 of the CDDL.
+.\" 
+.\"  A full copy of the text of the CDDL should have accompanied this
+.\"  source.  A copy of the CDDL is also available via the Internet at
+.\"  http://www.illumos.org/license/CDDL.
+.TH POLLHEAD_CLEAN 9F "Jun 12, 1998"
+.\"
+.\" A little inside joke with the above date: that's the date that the
+.\" devpoll work integrated (under bug 1265897).  The original work included
+.\" pollhead_clean() -- but didn't bother to document it!  With the date,
+.\" we are therefore giving this man page the date it should have had in an
+.\" attempt to right an historical wrong -- albeit nearly two decades after
+.\" the fact.
+.\"
+.SH NAME
+pollhead_clean \- inform the kernel that a pollhead is being deallocated
+.SH SYNOPSIS
+.LP
+.nf
+#include <sys/poll.h>
+
+
+
+\fBvoid\fR \fBpollhead_clean\fR(\fBstruct pollhead *\fR\fIphp\fR);
+.fi
+
+.SH INTERFACE LEVEL
+.sp
+.LP
+Architecture independent level 1 (DDI/DKI).
+.SH PARAMETERS
+.sp
+.ne 2
+.na
+\fB\fIphp\fR\fR
+.ad
+.RS 9n
+Pointer to a \fBpollhead\fR structure.
+.RE
+
+.SH DESCRIPTION
+.sp
+.LP
+The \fBpollhead_clean()\fR function informs the kernel that a driver's
+\fBpollhead\fR structure is about to be deallocated, usually as part of
+the driver's \fBclose\fR(9E) entry point before the software state that
+contains the \fBpollhead\fR is deallocated via \fBddi_soft_state_free\fR(9F).
+See \fBchpoll\fR(9E), \fBpollwakeup\fR(9E) and \fBpoll\fR(2) for more detail.
+.SH CONTEXT
+.sp
+.LP
+The \fBpollhead_clean()\fR function is generally called from the context
+of a \fBclose\fR(9E) entry point, but may be called from user or kernel
+context.
+.SH SEE ALSO
+.sp
+.LP
+\fBpoll\fR(2), \fBchpoll\fR(9E), \fBpollwakeup\fR(9E)
+
diff --git a/usr/src/pkg/manifests/SUNWcs.mf b/usr/src/pkg/manifests/SUNWcs.mf
index f2f92ce4b0..d907a680a3 100644
--- a/usr/src/pkg/manifests/SUNWcs.mf
+++ b/usr/src/pkg/manifests/SUNWcs.mf
@@ -236,9 +236,6 @@ $(i386_ONLY)dir path=usr/sbin/$(ARCH32)
 dir path=usr/sbin/$(ARCH64)
 dir path=usr/share
 dir path=usr/share/doc group=other
-dir path=usr/share/doc/ksh
-dir path=usr/share/doc/ksh/images
-dir path=usr/share/doc/ksh/images/callouts
 dir path=usr/share/lib
 dir path=usr/share/lib/mailx
 dir path=usr/share/lib/pub
@@ -1415,30 +1412,6 @@ file path=usr/sbin/volcopy mode=0555
 file path=usr/sbin/wall group=tty mode=2555
 file path=usr/sbin/zdump mode=0555
 file path=usr/sbin/zic mode=0555
-file path=usr/share/doc/ksh/COMPATIBILITY
-file path=usr/share/doc/ksh/DESIGN
-file path=usr/share/doc/ksh/OBSOLETE
-file path=usr/share/doc/ksh/README
-file path=usr/share/doc/ksh/RELEASE
-file path=usr/share/doc/ksh/TYPES
-file path=usr/share/doc/ksh/images/callouts/1.png
-file path=usr/share/doc/ksh/images/callouts/10.png
-file path=usr/share/doc/ksh/images/callouts/2.png
-file path=usr/share/doc/ksh/images/callouts/3.png
-file path=usr/share/doc/ksh/images/callouts/4.png
-file path=usr/share/doc/ksh/images/callouts/5.png
-file path=usr/share/doc/ksh/images/callouts/6.png
-file path=usr/share/doc/ksh/images/callouts/7.png
-file path=usr/share/doc/ksh/images/callouts/8.png
-file path=usr/share/doc/ksh/images/callouts/9.png
-file path=usr/share/doc/ksh/images/tag_bourne.png
-file path=usr/share/doc/ksh/images/tag_i18n.png
-file path=usr/share/doc/ksh/images/tag_ksh.png
-file path=usr/share/doc/ksh/images/tag_ksh88.png
-file path=usr/share/doc/ksh/images/tag_ksh93.png
-file path=usr/share/doc/ksh/images/tag_l10n.png
-file path=usr/share/doc/ksh/images/tag_perf.png
-file path=usr/share/doc/ksh/shell_styleguide.docbook
 file path=usr/share/lib/mailx/mailx.help
 file path=usr/share/lib/mailx/mailx.help.~
 file path=usr/share/lib/tabset/3101
diff --git a/usr/src/pkg/manifests/SUNWlx.mf b/usr/src/pkg/manifests/SUNWlx.mf
index 0d5d285fe5..b7da7af793 100644
--- a/usr/src/pkg/manifests/SUNWlx.mf
+++ b/usr/src/pkg/manifests/SUNWlx.mf
@@ -20,11 +20,12 @@
 #
 
 #
-# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
 #
 
-# Was renamed to system/zones/brand/lx, both now obsolete.
-
-set name=pkg.fmri value=pkg:/SUNWlx@0.5.11,5.11-0.143
-set name=pkg.obsolete value=true
+set name=pkg.fmri value=pkg:/SUNWlx@0.5.11,5.11-0.133
+set name=pkg.renamed value=true
 set name=variant.arch value=i386
+set name=variant.opensolaris.zone value=global value=nonglobal
+depend fmri=pkg:/system/zones/brand/lx@0.5.11,5.11-0.133 type=require
diff --git a/usr/src/pkg/manifests/driver-crypto-nfp.mf b/usr/src/pkg/manifests/driver-crypto-nfp.mf
new file mode 100644
index 0000000000..fcdf538c1d
--- /dev/null
+++ b/usr/src/pkg/manifests/driver-crypto-nfp.mf
@@ -0,0 +1,33 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2014 <contributor>
+#
+
+set name=pkg.fmri value=pkg:/driver/crypto/nfp@$(PKGVERS)
+set name=pkg.description value="nfast Crypto Accelerator Driver"
+set name=pkg.summary value="nfast Crypto Accelerator"
+set name=info.classification \
+    value=org.opensolaris.category.2008:System/Hardware
+set name=variant.arch value=i386
+dir path=kernel group=sys
+dir path=kernel/drv group=sys
+dir path=kernel/drv/$(ARCH64) group=sys
+driver name=nfp \
+    alias=pci1011,1065.100.100 \
+    alias=pci8086,b555.100.100 \
+    alias=pciex1011,1065.100.100 \
+    alias=pciex8086,b555.100.100
+file path=kernel/drv/$(ARCH64)/nfp group=sys
+$(i386_ONLY)file path=kernel/drv/nfp group=sys
+license usr/src/uts/common/io/nfp/THIRDPARTYLICENSE \
+    license=usr/src/uts/common/io/nfp/THIRDPARTYLICENSE
diff --git a/usr/src/pkg/manifests/service-file-system-smb.mf b/usr/src/pkg/manifests/service-file-system-smb.mf
index 2ddf448a86..cd3a4ed1a8 100644
--- a/usr/src/pkg/manifests/service-file-system-smb.mf
+++ b/usr/src/pkg/manifests/service-file-system-smb.mf
@@ -22,6 +22,7 @@
 #
 # Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
 # Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
 #
 
 set name=pkg.fmri value=pkg:/service/file-system/smb@$(PKGVERS)
diff --git a/usr/src/pkg/manifests/system-zones-brand-joyent.mf b/usr/src/pkg/manifests/system-zones-brand-joyent.mf
new file mode 100644
index 0000000000..33452cdcd7
--- /dev/null
+++ b/usr/src/pkg/manifests/system-zones-brand-joyent.mf
@@ -0,0 +1,54 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2010 Joyent, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+set name=pkg.fmri value=pkg:/system/zones/brand/joyent@$(PKGVERS)
+set name=pkg.description value="Support for the 'joyent' Brand"
+set name=pkg.summary value="Joyent Containers: joyent brand support"
+set name=info.classification \
+    value=org.opensolaris.category.2008:System/Virtualization
+set name=variant.arch value=$(ARCH)
+dir path=etc group=sys
+dir path=etc/zones group=sys
+dir path=lib variant.opensolaris.zone=global
+dir path=lib/svc variant.opensolaris.zone=global
+dir path=lib/svc/manifest group=sys variant.opensolaris.zone=global
+dir path=lib/svc/manifest/system group=sys variant.opensolaris.zone=global
+dir path=lib/svc/method variant.opensolaris.zone=global
+dir path=usr group=sys
+dir path=usr/lib
+dir path=usr/lib/brand
+dir path=usr/lib/brand/joyent group=sys
+file path=etc/zones/Joyent.xml mode=0444
+file path=lib/svc/manifest/system/joyinit.xml group=sys mode=0444 \
+    variant.opensolaris.zone=global
+file path=lib/svc/method/svc-joyinit mode=0555 variant.opensolaris.zone=global
+file path=usr/lib/brand/joyent/config.xml mode=0444
+file path=usr/lib/brand/joyent/jinstall mode=0755
+file path=usr/lib/brand/joyent/juninstall mode=0755
+file path=usr/lib/brand/joyent/pinstall mode=0755
+file path=usr/lib/brand/joyent/platform.xml mode=0444
+file path=usr/lib/brand/joyent/prestate mode=0755
+license lic_CDDL license=lic_CDDL
diff --git a/usr/src/pkg/manifests/system-zones-brand-lx.mf b/usr/src/pkg/manifests/system-zones-brand-lx.mf
index ca3a8cc541..0d8cc82e0c 100644
--- a/usr/src/pkg/manifests/system-zones-brand-lx.mf
+++ b/usr/src/pkg/manifests/system-zones-brand-lx.mf
@@ -20,9 +20,110 @@
 #
 
 #
-# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
 #
 
-set name=pkg.fmri value=pkg:/system/zones/brand/lx@0.5.11,5.11-0.143
-set name=pkg.obsolete value=true
+#
+# This package will install successfully into any zone, global or
+# non-global.  The files, directories, links, and hardlinks, however,
+# will only be installed into the global zone.
+#
+<include global_zone_only_component>
+set name=pkg.fmri value=pkg:/system/zones/brand/lx@$(PKGVERS)
+set name=pkg.description value="Support for the 'lx' Brand"
+set name=pkg.summary value="lx Brand"
+set name=info.classification \
+    value="org.opensolaris.category.2008:Applications/System Utilities"
 set name=variant.arch value=i386
+dir path=etc group=sys
+dir path=etc/zones group=sys
+dir path=usr group=sys
+dir path=usr/kernel group=sys
+dir path=usr/kernel/brand group=sys
+dir path=usr/kernel/brand/$(ARCH64) group=sys
+dir path=usr/kernel/drv group=sys
+dir path=usr/kernel/drv/$(ARCH64) group=sys
+dir path=usr/kernel/dtrace group=sys
+dir path=usr/kernel/dtrace/$(ARCH64) group=sys
+dir path=usr/kernel/fs group=sys
+dir path=usr/kernel/fs/$(ARCH64) group=sys
+dir path=usr/kernel/strmod group=sys
+dir path=usr/kernel/strmod/$(ARCH64) group=sys
+dir path=usr/lib
+dir path=usr/lib/brand
+dir path=usr/lib/brand/lx
+dir path=usr/lib/brand/lx/$(ARCH64)
+dir path=usr/lib/brand/lx/distros
+dir path=usr/lib/devfsadm group=sys
+dir path=usr/lib/devfsadm/linkmod group=sys
+driver name=lx_audio
+driver name=lx_ptm perms="lx_ptmajor 0666 root sys"
+driver name=lx_systrace perms="* 0644 root sys"
+file path=etc/zones/SUNWlx.xml mode=0444
+file path=etc/zones/SUNWlx26.xml mode=0444
+file path=usr/kernel/brand/$(ARCH64)/lx_brand group=sys mode=0755
+file path=usr/kernel/brand/lx_brand group=sys mode=0755
+file path=usr/kernel/drv/$(ARCH64)/lx_audio group=sys
+file path=usr/kernel/drv/$(ARCH64)/lx_ptm group=sys
+file path=usr/kernel/drv/$(ARCH64)/lx_systrace group=sys
+file path=usr/kernel/drv/lx_audio group=sys
+file path=usr/kernel/drv/lx_audio.conf group=sys
+file path=usr/kernel/drv/lx_ptm group=sys
+file path=usr/kernel/drv/lx_ptm.conf group=sys
+file path=usr/kernel/drv/lx_systrace group=sys
+file path=usr/kernel/drv/lx_systrace.conf group=sys
+file path=usr/kernel/fs/$(ARCH64)/lx_afs group=sys mode=0755
+file path=usr/kernel/fs/$(ARCH64)/lx_proc group=sys mode=0755
+file path=usr/kernel/fs/lx_afs group=sys mode=0755
+file path=usr/kernel/fs/lx_proc group=sys mode=0755
+file path=usr/kernel/strmod/$(ARCH64)/ldlinux group=sys mode=0755
+file path=usr/kernel/strmod/ldlinux group=sys mode=0755
+file path=usr/lib/brand/lx/$(ARCH64)/lx_librtld_db.so.1
+file path=usr/lib/brand/lx/$(ARCH64)/lx_nametoaddr.so.1
+file path=usr/lib/brand/lx/$(ARCH64)/lx_thunk.so.1
+file path=usr/lib/brand/lx/config.xml mode=0444
+file path=usr/lib/brand/lx/distros/centos35.distro mode=0444
+file path=usr/lib/brand/lx/distros/centos36.distro mode=0444
+file path=usr/lib/brand/lx/distros/centos37.distro mode=0444
+file path=usr/lib/brand/lx/distros/centos38.distro mode=0444
+file path=usr/lib/brand/lx/distros/rhel35.distro mode=0444
+file path=usr/lib/brand/lx/distros/rhel36.distro mode=0444
+file path=usr/lib/brand/lx/distros/rhel37.distro mode=0444
+file path=usr/lib/brand/lx/distros/rhel38.distro mode=0444
+file path=usr/lib/brand/lx/distros/rhel_centos_common mode=0444
+file path=usr/lib/brand/lx/etc_default_nfs group=sys mode=0444
+file path=usr/lib/brand/lx/etc_netconfig group=sys mode=0444
+file path=usr/lib/brand/lx/lx_distro_install mode=0755
+file path=usr/lib/brand/lx/lx_init_zone mode=0755
+file path=usr/lib/brand/lx/lx_init_zone_debian mode=0755
+file path=usr/lib/brand/lx/lx_init_zone_redhat mode=0755
+file path=usr/lib/brand/lx/lx_install mode=0755
+file path=usr/lib/brand/lx/lx_librtld_db.so.1
+file path=usr/lib/brand/lx/lx_lockd mode=0755
+file path=usr/lib/brand/lx/lx_nametoaddr.so.1
+file path=usr/lib/brand/lx/lx_native mode=0755
+file path=usr/lib/brand/lx/lx_statd mode=0755
+file path=usr/lib/brand/lx/lx_support mode=0755
+file path=usr/lib/brand/lx/lx_thunk mode=0755
+file path=usr/lib/brand/lx/lx_thunk.so.1
+file path=usr/lib/brand/lx/platform.xml mode=0444
+file path=usr/lib/devfsadm/linkmod/SUNW_lx_link_$(ARCH).so group=sys
+file path=usr/lib/lx_brand.so.1
+hardlink path=usr/kernel/dtrace/$(ARCH64)/lx_systrace \
+    target=../../../kernel/drv/$(ARCH64)/lx_systrace
+hardlink path=usr/kernel/dtrace/lx_systrace \
+    target=../../kernel/drv/lx_systrace
+legacy pkg=SUNWlxr arch=$(ARCH) category=system \
+    desc="Support for the 'lx' Brand" \
+    hotline="Please contact your local service provider" \
+    name="lx Brand (Root)" vendor="Sun Microsystems, Inc." \
+    version=11.11,REV=2009.11.11
+legacy pkg=SUNWlxu arch=$(ARCH) category=system \
+    desc="Support for the 'lx' Brand" \
+    hotline="Please contact your local service provider" \
+    name="lx Brand (Usr)" vendor="Sun Microsystems, Inc." \
+    version=11.11,REV=2009.11.11
+license cr_Sun license=cr_Sun
+license lic_CDDL license=lic_CDDL
+link path=usr/lib/brand/lx/64 target=$(ARCH64)
diff --git a/usr/src/psm/stand/bootblks/ufs/i386/mboot.S b/usr/src/psm/stand/bootblks/ufs/i386/mboot.S
index 48afbae207..756a643482 100644
--- a/usr/src/psm/stand/bootblks/ufs/i386/mboot.S
+++ b/usr/src/psm/stand/bootblks/ufs/i386/mboot.S
@@ -23,6 +23,7 @@
  * Copyright 2012 OmniTI Computer Consulting, Inc.  All rights reserved.
  *
  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2012 OmniTI Computer Consulting, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
diff --git a/usr/src/stand/lib/fs/hsfs/hsfsops.c b/usr/src/stand/lib/fs/hsfs/hsfsops.c
index 0119d3fe99..21f8c37081 100644
--- a/usr/src/stand/lib/fs/hsfs/hsfsops.c
+++ b/usr/src/stand/lib/fs/hsfs/hsfsops.c
@@ -1026,6 +1026,7 @@ boot_hsfs_getdents(int fd, struct dirent *dep, unsigned size)
 		 *	  alignment.
 		 */
 		n = strlen(hdp->hs_ufs_dir.d_name);
+
 		n = roundup((sizeof (struct dirent) + ((n > SLOP) ? n : 0)),
 		    sizeof (off_t));
 
diff --git a/usr/src/test/test-runner/cmd/Makefile b/usr/src/test/test-runner/cmd/Makefile
index 33e7a61275..948aea9ed8 100644
--- a/usr/src/test/test-runner/cmd/Makefile
+++ b/usr/src/test/test-runner/cmd/Makefile
@@ -34,4 +34,6 @@ $(ROOTBIN):
 	$(INS.dir)
 
 $(ROOTBIN)/%: %.py
-	$(INS.rename)
+	$(RM) $@
+	$(SED.py) $< > $@
+	$(CHMOD) 0555 $@
diff --git a/usr/src/test/test-runner/cmd/run.py b/usr/src/test/test-runner/cmd/run.py
index da0bca1d26..c1d73a1184 100644
--- a/usr/src/test/test-runner/cmd/run.py
+++ b/usr/src/test/test-runner/cmd/run.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2.6
+#!ON_PYTHON_26
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/usr/src/test/util-tests/runfiles/default.run b/usr/src/test/util-tests/runfiles/default.run
index 3f7498e23b..c8a3f290f1 100644
--- a/usr/src/test/util-tests/runfiles/default.run
+++ b/usr/src/test/util-tests/runfiles/default.run
@@ -24,6 +24,7 @@ outputdir = /var/tmp/test_results
 
 [/opt/util-tests/tests/printf_test]
 [/opt/util-tests/tests/allowed-ips]
+[/opt/util-tests/tests/bunyan]
 
 [/opt/util-tests/tests/xargs_test]
 
diff --git a/usr/src/test/util-tests/tests/Makefile b/usr/src/test/util-tests/tests/Makefile
index 4709c7adcd..151ff11b6a 100644
--- a/usr/src/test/util-tests/tests/Makefile
+++ b/usr/src/test/util-tests/tests/Makefile
@@ -14,7 +14,6 @@
 # Copyright 2014 Garrett D'Amore <garrett@damore.org>
 #
 
-SUBDIRS = dladm printf xargs
 SUBDIRS = dladm libnvpair_json printf xargs
 
 include $(SRC)/test/Makefile.com
diff --git a/usr/src/test/util-tests/tests/bunyan/Makefile b/usr/src/test/util-tests/tests/bunyan/Makefile
new file mode 100644
index 0000000000..1ddf7b254d
--- /dev/null
+++ b/usr/src/test/util-tests/tests/bunyan/Makefile
@@ -0,0 +1,69 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.
+#
+
+include $(SRC)/Makefile.master
+
+ROOTOPTPKG = $(ROOT)/opt/util-tests
+TESTDIR = $(ROOTOPTPKG)/tests/bunyan
+ROOTBINDIR = $(ROOTOPTPKG)/bin
+
+PROG = btest
+
+SCRIPTS = \
+	bunyan
+
+include $(SRC)/cmd/Makefile.cmd
+include $(SRC)/test/Makefile.com
+
+OBJS = $(PROG:%=%.o)
+SRCS = $(OBJS:%.o=%.c)
+
+CMDS = $(PROG:%=$(ROOTBINDIR)/%) $(SCRIPTS:%=$(TESTDIR)/%)
+$(CMDS) := FILEMODE = 0555
+
+LDLIBS += -lbunyan
+
+all: $(PROG)
+
+$(PROG): $(OBJS)
+	$(LINK.c) $(OBJS) -o $@ $(LDLIBS)
+	$(POST_PROCESS)
+
+install: all $(CMDS)
+
+lint:
+
+clobber: clean
+	-$(RM) $(PROG)
+
+clean:
+	-$(RM) $(OBJS)
+
+$(CMDS): $(TESTDIR) $(PROG)
+
+$(ROOTBINDIR):
+	$(INS.dir)
+
+$(ROOTBINDIR)/%: %
+	$(INS.file)
+
+$(TESTDIR):
+	$(INS.dir)
+
+$(TESTDIR)/%: %.ksh
+	$(INS.rename)
+
+$(TESTDIR)/%: %
+	$(INS.file)
diff --git a/usr/src/test/util-tests/tests/bunyan/btest.c b/usr/src/test/util-tests/tests/bunyan/btest.c
new file mode 100644
index 0000000000..5239e91f1e
--- /dev/null
+++ b/usr/src/test/util-tests/tests/bunyan/btest.c
@@ -0,0 +1,312 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014, Joyent, Inc.
+ */
+
+#include <stdio.h>
+#include <assert.h>
+#include <bunyan.h>
+#include <netinet/in.h>
+#include <strings.h>
+
+static void
+create_handles(void)
+{
+	bunyan_logger_t *a, *b, *c;
+
+	assert(bunyan_init("foo", &a) == 0);
+	assert(bunyan_init("foo", &b) == 0);
+	assert(bunyan_init("foo", &c) == 0);
+	bunyan_fini(a);
+	bunyan_fini(b);
+	bunyan_fini(c);
+}
+
+static void
+create_stream(void)
+{
+	bunyan_logger_t *a;
+
+	assert(bunyan_init("foo", &a) == 0);
+	assert(bunyan_stream_add(a, "bar", BUNYAN_L_TRACE,
+	    bunyan_stream_fd, (void *)1) == 0);
+	assert(bunyan_stream_add(a, "baz", BUNYAN_L_TRACE,
+	    bunyan_stream_fd, (void *)1) == 0);
+	assert(bunyan_stream_add(a, "bar", BUNYAN_L_TRACE,
+	    bunyan_stream_fd, (void *)1) == EEXIST);
+	assert(bunyan_stream_add(a, "baz", BUNYAN_L_TRACE,
+	    bunyan_stream_fd, (void *)1) == EEXIST);
+	assert(bunyan_stream_remove(a, "baz") == 0);
+	assert(bunyan_stream_remove(a, "baz") == ENOENT);
+	assert(bunyan_stream_remove(a, "foobaz") == ENOENT);
+	assert(bunyan_stream_remove(a, "blah") == ENOENT);
+	assert(bunyan_stream_add(a, "bar", BUNYAN_L_TRACE,
+	    bunyan_stream_fd, (void *)1) == EEXIST);
+	assert(bunyan_stream_add(a, "baz", BUNYAN_L_TRACE,
+	    bunyan_stream_fd, (void *)1) == 0);
+	assert(bunyan_stream_add(a, "debug", BUNYAN_L_DEBUG,
+	    bunyan_stream_fd, (void *)1) == 0);
+	assert(bunyan_stream_add(a, "info", BUNYAN_L_INFO,
+	    bunyan_stream_fd, (void *)1) == 0);
+	assert(bunyan_stream_add(a, "warn", BUNYAN_L_WARN,
+	    bunyan_stream_fd, (void *)1) == 0);
+	assert(bunyan_stream_add(a, "error", BUNYAN_L_ERROR,
+	    bunyan_stream_fd, (void *)1) == 0);
+	assert(bunyan_stream_add(a, "fatal", BUNYAN_L_FATAL,
+	    bunyan_stream_fd, (void *)1) == 0);
+
+	bunyan_fini(a);
+}
+
+static void
+create_key(void)
+{
+	bunyan_logger_t *a;
+	struct in_addr v4;
+	struct in6_addr v6;
+
+	assert(bunyan_init("foo", &a) == 0);
+	assert(bunyan_key_remove(a, "blah") == ENOENT);
+	assert(bunyan_key_add(a, BUNYAN_T_END) == 0);
+
+	assert(bunyan_key_add(a, BUNYAN_T_STRING, "s", "foo",
+	    BUNYAN_T_POINTER, "p", (void *)a, BUNYAN_T_IP, "v4", &v4,
+	    BUNYAN_T_IP6, "v6", &v6, BUNYAN_T_BOOLEAN, "b", B_TRUE,
+	    BUNYAN_T_INT32, "i32", 69, BUNYAN_T_INT64, "i64", (uint64_t)6969,
+	    BUNYAN_T_UINT32, "u32", 23, BUNYAN_T_UINT64, "u64", (uint64_t)2323,
+	    BUNYAN_T_DOUBLE, "d", 3.14,
+	    BUNYAN_T_INT64STR, "i64s", (uint64_t)12345,
+	    BUNYAN_T_UINT64STR, "u64s", (uint64_t)54321, BUNYAN_T_END) == 0);
+
+	assert(bunyan_key_remove(a, "s") == 0);
+	assert(bunyan_key_remove(a, "s") == ENOENT);
+	assert(bunyan_key_remove(a, "p") == 0);
+	assert(bunyan_key_remove(a, "p") == ENOENT);
+	assert(bunyan_key_remove(a, "v4") == 0);
+	assert(bunyan_key_remove(a, "v4") == ENOENT);
+	assert(bunyan_key_remove(a, "v6") == 0);
+	assert(bunyan_key_remove(a, "v6") == ENOENT);
+	assert(bunyan_key_remove(a, "b") == 0);
+	assert(bunyan_key_remove(a, "b") == ENOENT);
+	assert(bunyan_key_remove(a, "i32") == 0);
+	assert(bunyan_key_remove(a, "i32") == ENOENT);
+	assert(bunyan_key_remove(a, "i64") == 0);
+	assert(bunyan_key_remove(a, "i64") == ENOENT);
+	assert(bunyan_key_remove(a, "u32") == 0);
+	assert(bunyan_key_remove(a, "u32") == ENOENT);
+	assert(bunyan_key_remove(a, "u64") == 0);
+	assert(bunyan_key_remove(a, "u64") == ENOENT);
+	assert(bunyan_key_remove(a, "d") == 0);
+	assert(bunyan_key_remove(a, "d") == ENOENT);
+	assert(bunyan_key_remove(a, "i64s") == 0);
+	assert(bunyan_key_remove(a, "i64s") == ENOENT);
+	assert(bunyan_key_remove(a, "u64s") == 0);
+	assert(bunyan_key_remove(a, "u64s") == ENOENT);
+
+	bunyan_fini(a);
+}
+
+static void
+bad_level(void)
+{
+	bunyan_logger_t *a;
+
+	assert(bunyan_init("bad level", &a) == 0);
+	assert(bunyan_stream_add(a, "bar", BUNYAN_L_TRACE - 1,
+	    bunyan_stream_fd, (void *)1) == EINVAL);
+	assert(bunyan_stream_add(a, "bar", BUNYAN_L_TRACE + 1,
+	    bunyan_stream_fd, (void *)1) == EINVAL);
+	assert(bunyan_stream_add(a, "bar", BUNYAN_L_DEBUG - 1,
+	    bunyan_stream_fd, (void *)1) == EINVAL);
+	assert(bunyan_stream_add(a, "bar", BUNYAN_L_INFO + 1,
+	    bunyan_stream_fd, (void *)1) == EINVAL);
+	assert(bunyan_stream_add(a, "bar", BUNYAN_L_WARN - 1,
+	    bunyan_stream_fd, (void *)1) == EINVAL);
+	assert(bunyan_stream_add(a, "bar", BUNYAN_L_ERROR + 1,
+	    bunyan_stream_fd, (void *)1) == EINVAL);
+	assert(bunyan_stream_add(a, "bar", BUNYAN_L_FATAL - 1,
+	    bunyan_stream_fd, (void *)1) == EINVAL);
+	assert(bunyan_stream_add(a, "bar", -5,
+	    bunyan_stream_fd, (void *)1) == EINVAL);
+
+	bunyan_fini(a);
+}
+
+static void
+basic_log(void)
+{
+	bunyan_logger_t *a;
+
+	assert(bunyan_init("basic", &a) == 0);
+	assert(bunyan_stream_add(a, "foo", BUNYAN_L_TRACE,
+	    bunyan_stream_fd, (void *)1) == 0);
+	assert(bunyan_trace(a, "trace", BUNYAN_T_END) == 0);
+	assert(bunyan_debug(a, "debug", BUNYAN_T_END) == 0);
+	assert(bunyan_info(a, "info", BUNYAN_T_END) == 0);
+	assert(bunyan_warn(a, "warn", BUNYAN_T_END) == 0);
+	assert(bunyan_error(a, "error", BUNYAN_T_END) == 0);
+	assert(bunyan_fatal(a, "fatal", BUNYAN_T_END) == 0);
+
+	bunyan_fini(a);
+}
+
+static void
+crazy_log(void)
+{
+	bunyan_logger_t *a;
+	struct in_addr v4;
+	struct in6_addr v6;
+
+	bzero(&v4, sizeof (struct in_addr));
+	bzero(&v6, sizeof (struct in6_addr));
+
+	assert(bunyan_init("basic", &a) == 0);
+	assert(bunyan_stream_add(a, "foo", BUNYAN_L_TRACE,
+	    bunyan_stream_fd, (void *)1) == 0);
+	assert(bunyan_trace(a, "trace", BUNYAN_T_STRING, "s", "foo",
+	    BUNYAN_T_POINTER, "p", (void *)a, BUNYAN_T_IP, "v4", &v4,
+	    BUNYAN_T_IP6, "v6", &v6, BUNYAN_T_BOOLEAN, "b", B_TRUE,
+	    BUNYAN_T_INT32, "i32", 69, BUNYAN_T_INT64, "i64", (uint64_t)6969,
+	    BUNYAN_T_UINT32, "u32", 23, BUNYAN_T_UINT64, "u64", (uint64_t)2323,
+	    BUNYAN_T_DOUBLE, "d", 3.14,
+	    BUNYAN_T_INT64STR, "i64s", (uint64_t)12345,
+	    BUNYAN_T_UINT64STR, "u64s", (uint64_t)54321, BUNYAN_T_END) == 0);
+	assert(bunyan_debug(a, "debug", BUNYAN_T_STRING, "s", "foo",
+	    BUNYAN_T_POINTER, "p", (void *)a, BUNYAN_T_IP, "v4", &v4,
+	    BUNYAN_T_IP6, "v6", &v6, BUNYAN_T_BOOLEAN, "b", B_TRUE,
+	    BUNYAN_T_INT32, "i32", 69, BUNYAN_T_INT64, "i64", (uint64_t)6969,
+	    BUNYAN_T_UINT32, "u32", 23, BUNYAN_T_UINT64, "u64", (uint64_t)2323,
+	    BUNYAN_T_DOUBLE, "d", 3.14,
+	    BUNYAN_T_INT64STR, "i64s", (uint64_t)12345,
+	    BUNYAN_T_UINT64STR, "u64s", (uint64_t)54321, BUNYAN_T_END) == 0);
+	assert(bunyan_info(a, "info", BUNYAN_T_STRING, "s", "foo",
+	    BUNYAN_T_POINTER, "p", (void *)a, BUNYAN_T_IP, "v4", &v4,
+	    BUNYAN_T_IP6, "v6", &v6, BUNYAN_T_BOOLEAN, "b", B_TRUE,
+	    BUNYAN_T_INT32, "i32", 69, BUNYAN_T_INT64, "i64", (uint64_t)6969,
+	    BUNYAN_T_UINT32, "u32", 23, BUNYAN_T_UINT64, "u64", (uint64_t)2323,
+	    BUNYAN_T_DOUBLE, "d", 3.14,
+	    BUNYAN_T_INT64STR, "i64s", (uint64_t)12345,
+	    BUNYAN_T_UINT64STR, "u64s", (uint64_t)54321, BUNYAN_T_END) == 0);
+	assert(bunyan_warn(a, "warn", BUNYAN_T_STRING, "s", "foo",
+	    BUNYAN_T_POINTER, "p", (void *)a, BUNYAN_T_IP, "v4", &v4,
+	    BUNYAN_T_IP6, "v6", &v6, BUNYAN_T_BOOLEAN, "b", B_TRUE,
+	    BUNYAN_T_INT32, "i32", 69, BUNYAN_T_INT64, "i64", (uint64_t)6969,
+	    BUNYAN_T_UINT32, "u32", 23, BUNYAN_T_UINT64, "u64", (uint64_t)2323,
+	    BUNYAN_T_DOUBLE, "d", 3.14,
+	    BUNYAN_T_INT64STR, "i64s", (uint64_t)12345,
+	    BUNYAN_T_UINT64STR, "u64s", (uint64_t)54321, BUNYAN_T_END) == 0);
+	assert(bunyan_error(a, "error", BUNYAN_T_STRING, "s", "foo",
+	    BUNYAN_T_POINTER, "p", (void *)a, BUNYAN_T_IP, "v4", &v4,
+	    BUNYAN_T_IP6, "v6", &v6, BUNYAN_T_BOOLEAN, "b", B_TRUE,
+	    BUNYAN_T_INT32, "i32", 69, BUNYAN_T_INT64, "i64", (uint64_t)6969,
+	    BUNYAN_T_UINT32, "u32", 23, BUNYAN_T_UINT64, "u64", (uint64_t)2323,
+	    BUNYAN_T_DOUBLE, "d", 3.14,
+	    BUNYAN_T_INT64STR, "i64s", (uint64_t)12345,
+	    BUNYAN_T_UINT64STR, "u64s", (uint64_t)54321, BUNYAN_T_END) == 0);
+	assert(bunyan_fatal(a, "fatal", BUNYAN_T_STRING, "s", "foo",
+	    BUNYAN_T_POINTER, "p", (void *)a, BUNYAN_T_IP, "v4", &v4,
+	    BUNYAN_T_IP6, "v6", &v6, BUNYAN_T_BOOLEAN, "b", B_TRUE,
+	    BUNYAN_T_INT32, "i32", 69, BUNYAN_T_INT64, "i64", (uint64_t)6969,
+	    BUNYAN_T_UINT32, "u32", 23, BUNYAN_T_UINT64, "u64", (uint64_t)2323,
+	    BUNYAN_T_DOUBLE, "d", 3.14,
+	    BUNYAN_T_INT64STR, "i64s", (uint64_t)12345,
+	    BUNYAN_T_UINT64STR, "u64s", (uint64_t)54321, BUNYAN_T_END) == 0);
+
+	bunyan_fini(a);
+}
+
+static void
+child_log(void)
+{
+	bunyan_logger_t *a, *child;
+	struct in_addr v4;
+	struct in6_addr v6;
+
+	bzero(&v4, sizeof (struct in_addr));
+	bzero(&v6, sizeof (struct in6_addr));
+
+	assert(bunyan_init("child", &a) == 0);
+	assert(bunyan_stream_add(a, "foo", BUNYAN_L_TRACE,
+	    bunyan_stream_fd, (void *)1) == 0);
+	assert(bunyan_child(a, &child,  BUNYAN_T_STRING, "s", "foo",
+	    BUNYAN_T_POINTER, "p", (void *)a, BUNYAN_T_IP, "v4", &v4,
+	    BUNYAN_T_IP6, "v6", &v6, BUNYAN_T_BOOLEAN, "b", B_TRUE,
+	    BUNYAN_T_INT32, "i32", 69, BUNYAN_T_INT64, "i64", (uint64_t)6969,
+	    BUNYAN_T_UINT32, "u32", 23, BUNYAN_T_UINT64, "u64", (uint64_t)2323,
+	    BUNYAN_T_DOUBLE, "d", 3.14,
+	    BUNYAN_T_INT64STR, "i64s", (uint64_t)12345,
+	    BUNYAN_T_UINT64STR, "u64s", (uint64_t)54321, BUNYAN_T_END) == 0);
+
+	bunyan_fini(a);
+	assert(bunyan_trace(child, "trace", BUNYAN_T_END) == 0);
+	assert(bunyan_debug(child, "debug", BUNYAN_T_END) == 0);
+	assert(bunyan_info(child, "info", BUNYAN_T_END) == 0);
+	assert(bunyan_warn(child, "warn", BUNYAN_T_END) == 0);
+	assert(bunyan_error(child, "error", BUNYAN_T_END) == 0);
+	assert(bunyan_fatal(child, "fatal", BUNYAN_T_END) == 0);
+
+	bunyan_fini(child);
+}
+
+static void
+crazy_child(void)
+{
+	bunyan_logger_t *a, *child;
+	struct in_addr v4;
+	struct in6_addr v6;
+
+	bzero(&v4, sizeof (struct in_addr));
+	bzero(&v6, sizeof (struct in6_addr));
+
+	assert(bunyan_init("crazy child", &a) == 0);
+	assert(bunyan_stream_add(a, "foo", BUNYAN_L_TRACE,
+	    bunyan_stream_fd, (void *)1) == 0);
+	assert(bunyan_key_add(a, BUNYAN_T_STRING, "s", "foo",
+	    BUNYAN_T_POINTER, "p", (void *)a, BUNYAN_T_IP, "v4", &v4,
+	    BUNYAN_T_IP6, "v6", &v6, BUNYAN_T_BOOLEAN, "b", B_TRUE,
+	    BUNYAN_T_INT32, "i32", 69, BUNYAN_T_INT64, "i64", (uint64_t)6969,
+	    BUNYAN_T_UINT32, "u32", 23, BUNYAN_T_UINT64, "u64", (uint64_t)2323,
+	    BUNYAN_T_DOUBLE, "d", 3.14,
+	    BUNYAN_T_INT64STR, "i64s", (uint64_t)12345,
+	    BUNYAN_T_UINT64STR, "u64s", (uint64_t)54321, BUNYAN_T_END) == 0);
+	assert(bunyan_child(a, &child, BUNYAN_T_END) == 0);
+	bunyan_fini(a);
+
+	assert(bunyan_stream_remove(child, "foo") == 0);
+	assert(bunyan_stream_add(child, "bar", BUNYAN_L_TRACE,
+	    bunyan_stream_fd, (void *)1) == 0);
+	assert(bunyan_key_remove(child, "u64s") == 0);
+	assert(bunyan_trace(child, "trace", BUNYAN_T_END) == 0);
+	assert(bunyan_debug(child, "debug", BUNYAN_T_END) == 0);
+	assert(bunyan_info(child, "info", BUNYAN_T_END) == 0);
+	assert(bunyan_warn(child, "warn", BUNYAN_T_END) == 0);
+	assert(bunyan_error(child, "error", BUNYAN_T_END) == 0);
+	assert(bunyan_fatal(child, "fatal", BUNYAN_T_END) == 0);
+
+	bunyan_fini(child);
+}
+
+int
+main(void)
+{
+	create_handles();
+	create_stream();
+	create_key();
+	bad_level();
+	basic_log();
+	crazy_log();
+	child_log();
+	crazy_child();
+
+	return (0);
+}
diff --git a/usr/src/test/util-tests/tests/bunyan/bunyan.ksh b/usr/src/test/util-tests/tests/bunyan/bunyan.ksh
new file mode 100644
index 0000000000..4ec0f4bd62
--- /dev/null
+++ b/usr/src/test/util-tests/tests/bunyan/bunyan.ksh
@@ -0,0 +1,26 @@
+#! /usr/bin/ksh
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014, Joyent, Inc. 
+#
+
+#
+# Simple wrapper for the classic test.out
+#
+
+set -o errexit
+
+btest_root=$(dirname $0)/../..
+btest_bin=$btest_root/bin/btest
+
+LD_PRELOAD=libumem.so UMEM_DEBUG=default $btest_bin >/dev/null
diff --git a/usr/src/tools/Makefile b/usr/src/tools/Makefile
index 2dff7ec51e..974f4f6c72 100644
--- a/usr/src/tools/Makefile
+++ b/usr/src/tools/Makefile
@@ -55,6 +55,7 @@ COMMON_SUBDIRS= \
 #
 UNSHIPPED_SUBDIRS = \
 	elfsign \
+	man \
 	mandoc
 
 sparc_SUBDIRS= \
diff --git a/usr/src/tools/README.tools b/usr/src/tools/README.tools
index 6cb51f028a..323d6c679c 100644
--- a/usr/src/tools/README.tools
+++ b/usr/src/tools/README.tools
@@ -192,6 +192,9 @@ findunref
 	  sort > ~/unref-sparc.out
 	$ comm -12 ~/unref-i386.out ~/unref-sparc.out > ~/unref.out
 
+git-active
+	helper used by webrev to generate file lists for Git workspaces.
+
 hdrchk
 	checks headers for compliance with OS/Net standards (form, includes,
 	C++ guards).
diff --git a/usr/src/tools/cscope-fast/Makefile b/usr/src/tools/cscope-fast/Makefile
index 6a2270bbed..0237a6e9e9 100644
--- a/usr/src/tools/cscope-fast/Makefile
+++ b/usr/src/tools/cscope-fast/Makefile
@@ -34,6 +34,7 @@ OBJS= 	main.o dir.o crossref.o scanner.o lookup.o command.o display.o \
 	vpaccess.o vpfopen.o vpinit.o vpopen.o vpstat.o
 SRCS=	$(OBJS:%.o=%.c)
 CLEANFILES += $(OBJS)
+CLOBBERFILES += scanner.c
 TMPDIR= /tmp
 
 include ../Makefile.tools
diff --git a/usr/src/tools/ctf/Makefile b/usr/src/tools/ctf/Makefile
index dee410e27c..e31268df97 100644
--- a/usr/src/tools/ctf/Makefile
+++ b/usr/src/tools/ctf/Makefile
@@ -26,7 +26,7 @@
 
 include ../Makefile.tools
 
-SUBDIRS = cvt dump stabs ctfstrip
+SUBDIRS = cvt stabs ctfstrip libctf ctfdiff ctfmerge ctfdump
 
 .PARALLEL: $(SUBDIRS)
 
@@ -38,6 +38,10 @@ lint	:= TARGET= lint
 
 .KEEP_STATE:
 
+ctfmerge: libctf
+ctfdiff: libctf
+ctfdump: libctf
+
 all clean clobber install lint: dwarf .WAIT $(SUBDIRS)
 
 dwarf $(SUBDIRS): FRC
diff --git a/usr/src/tools/ctf/Makefile.ctf b/usr/src/tools/ctf/Makefile.ctf
index 7c5b041746..0cf32bf1bc 100644
--- a/usr/src/tools/ctf/Makefile.ctf
+++ b/usr/src/tools/ctf/Makefile.ctf
@@ -41,6 +41,7 @@ HDRDIRS= \
 	-I$(SRC) \
 	-I/usr/include \
 	-I$(SRC)/uts/common \
+	-I$(SRC)/common/ctf \
 	-I$(NATIVE_ADJUNCT)/include
 
 CPPFLAGS += $(HDRDIRS)
diff --git a/usr/src/tools/ctf/common/ctf_headers.h b/usr/src/tools/ctf/common/ctf_headers.h
index b00b8fd9a6..453c6450ed 100644
--- a/usr/src/tools/ctf/common/ctf_headers.h
+++ b/usr/src/tools/ctf/common/ctf_headers.h
@@ -27,8 +27,6 @@
 #ifndef _CTF_HEADERS_H
 #define	_CTF_HEADERS_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 /*
  * Because the ON tools are executed on the system where they are built,
  * the tools need to include the headers installed on the build system,
@@ -67,6 +65,18 @@
 
 #include <uts/common/sys/ctf.h>
 #include <uts/common/sys/ctf_api.h>
+#include <common/ctf/ctf_impl.h>
 #include <lib/libctf/common/libctf.h>
 
+/*
+ * XXX: This is hack to deal with GCC 4.x removing __builtin_stdarg_start
+ *
+ * We need to build on systems that don't have the fixed va_impl.h on the
+ * system, to achieve that, we stub it out here and in all similar places to
+ * give us a leg up.
+ */
+#if __GNUC__ >= 4
+#define	__builtin_stdarg_start(list, name)	__builtin_va_start(list, name)
+#endif
+
 #endif /* _CTF_HEADERS_H */
diff --git a/usr/src/tools/ctf/common/utils.h b/usr/src/tools/ctf/common/utils.h
index 9b07361a53..4ae2dd0917 100644
--- a/usr/src/tools/ctf/common/utils.h
+++ b/usr/src/tools/ctf/common/utils.h
@@ -27,9 +27,8 @@
 #ifndef	_UTILS_H
 #define	_UTILS_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <stdarg.h>
+#include <ctf_headers.h>
 
 #ifdef	__cplusplus
 extern "C" {
diff --git a/usr/src/tools/ctf/dump/Makefile b/usr/src/tools/ctf/ctfdiff/Makefile
index 16d8280cdd..07fadc5f8f 100644
--- a/usr/src/tools/ctf/dump/Makefile
+++ b/usr/src/tools/ctf/ctfdiff/Makefile
@@ -23,7 +23,6 @@
 # Copyright (c) 2001 by Sun Microsystems, Inc.
 # All rights reserved.
 #
-#ident	"%Z%%M%	%I%	%E% SMI"
 
 include		../../Makefile.tools
 
diff --git a/usr/src/tools/ctf/ctfdiff/Makefile.com b/usr/src/tools/ctf/ctfdiff/Makefile.com
new file mode 100644
index 0000000000..3c5e19fb6e
--- /dev/null
+++ b/usr/src/tools/ctf/ctfdiff/Makefile.com
@@ -0,0 +1,44 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+PROG = ctfdiff
+SRCS = ctfdiff.c
+
+include ../../Makefile.ctf
+
+CFLAGS += $(CCVERBOSE)
+LDLIBS += -lctf
+
+LDFLAGS = \
+	-L$(ROOTONBLDLIBMACH) \
+	'-R$$ORIGIN/../../lib/$(MACH)' \
+
+CPPFLAGS += -include ../../common/ctf_headers.h
+
+OBJS = $(SRCS:%.c=%.o)
+
+all: $(PROG)
+
+$(PROG): $(OBJS)
+	$(LINK.c) $(OBJS) -o $@ $(LDLIBS)
+	$(POST_PROCESS)
+
+%.o: $(SRC)/cmd/ctfdiff/%.c
+	$(COMPILE.c) $<
+
+$(ROOTONBLDMACHPROG): $(PROG)
+
+install: $(ROOTONBLDMACHPROG)
+
+clean:
+	$(RM) $(OBJS) $(LINTFILES)
+
+include $(SRC)/tools/Makefile.targ
diff --git a/usr/src/tools/ctf/ctfdiff/i386/Makefile b/usr/src/tools/ctf/ctfdiff/i386/Makefile
new file mode 100644
index 0000000000..92c756cb42
--- /dev/null
+++ b/usr/src/tools/ctf/ctfdiff/i386/Makefile
@@ -0,0 +1,16 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2015, Joyent, Inc. 
+#
+
+include ../Makefile.com
diff --git a/usr/src/tools/ctf/ctfdiff/sparc/Makefile b/usr/src/tools/ctf/ctfdiff/sparc/Makefile
new file mode 100644
index 0000000000..92c756cb42
--- /dev/null
+++ b/usr/src/tools/ctf/ctfdiff/sparc/Makefile
@@ -0,0 +1,16 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2015, Joyent, Inc. 
+#
+
+include ../Makefile.com
diff --git a/usr/src/tools/ctf/ctfdump/Makefile b/usr/src/tools/ctf/ctfdump/Makefile
new file mode 100644
index 0000000000..20d304216a
--- /dev/null
+++ b/usr/src/tools/ctf/ctfdump/Makefile
@@ -0,0 +1,33 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2015, Joyent, Inc.
+#
+
+include		../../Makefile.tools
+
+SUBDIRS	= $(MACH)
+
+all	:= TARGET= all
+install	:= TARGET= install
+clean	:= TARGET= clean
+clobber	:= TARGET= clobber
+lint	:= TARGET= lint
+
+.KEEP_STATE:
+
+install all clean clobber lint: $(SUBDIRS)
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
diff --git a/usr/src/tools/ctf/ctfdump/Makefile.com b/usr/src/tools/ctf/ctfdump/Makefile.com
new file mode 100644
index 0000000000..3e1414ea59
--- /dev/null
+++ b/usr/src/tools/ctf/ctfdump/Makefile.com
@@ -0,0 +1,44 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+PROG = ctfdump
+SRCS = ctfdump.c
+
+include ../../Makefile.ctf
+
+CFLAGS += $(CCVERBOSE)
+LDLIBS += -lctf
+
+LDFLAGS = \
+	-L$(ROOTONBLDLIBMACH) \
+	'-R$$ORIGIN/../../lib/$(MACH)' \
+
+CPPFLAGS += -include ../../common/ctf_headers.h
+
+OBJS = $(SRCS:%.c=%.o)
+
+all: $(PROG)
+
+$(PROG): $(OBJS)
+	$(LINK.c) $(OBJS) -o $@ $(LDLIBS)
+	$(POST_PROCESS)
+
+%.o: $(SRC)/cmd/ctfdump/%.c
+	$(COMPILE.c) $<
+
+$(ROOTONBLDMACHPROG): $(PROG)
+
+install: $(ROOTONBLDMACHPROG)
+
+clean:
+	$(RM) $(OBJS) $(LINTFILES)
+
+include $(SRC)/tools/Makefile.targ
diff --git a/usr/src/tools/ctf/ctfdump/i386/Makefile b/usr/src/tools/ctf/ctfdump/i386/Makefile
new file mode 100644
index 0000000000..92c756cb42
--- /dev/null
+++ b/usr/src/tools/ctf/ctfdump/i386/Makefile
@@ -0,0 +1,16 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2015, Joyent, Inc. 
+#
+
+include ../Makefile.com
diff --git a/usr/src/tools/ctf/ctfdump/sparc/Makefile b/usr/src/tools/ctf/ctfdump/sparc/Makefile
new file mode 100644
index 0000000000..92c756cb42
--- /dev/null
+++ b/usr/src/tools/ctf/ctfdump/sparc/Makefile
@@ -0,0 +1,16 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2015, Joyent, Inc. 
+#
+
+include ../Makefile.com
diff --git a/usr/src/tools/ctf/ctfmerge/Makefile b/usr/src/tools/ctf/ctfmerge/Makefile
new file mode 100644
index 0000000000..07fadc5f8f
--- /dev/null
+++ b/usr/src/tools/ctf/ctfmerge/Makefile
@@ -0,0 +1,44 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright (c) 2001 by Sun Microsystems, Inc.
+# All rights reserved.
+#
+
+include		../../Makefile.tools
+
+SUBDIRS	= $(MACH)
+
+all	:= TARGET= all
+install	:= TARGET= install
+clean	:= TARGET= clean
+clobber	:= TARGET= clobber
+lint	:= TARGET= lint
+
+.KEEP_STATE:
+
+install all clean clobber lint: $(SUBDIRS)
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
diff --git a/usr/src/tools/ctf/ctfmerge/Makefile.com b/usr/src/tools/ctf/ctfmerge/Makefile.com
new file mode 100644
index 0000000000..b227e8b7b0
--- /dev/null
+++ b/usr/src/tools/ctf/ctfmerge/Makefile.com
@@ -0,0 +1,46 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+PROG = ctfmerge-altexec
+SRCS = ctfmerge.c
+
+include ../../Makefile.ctf
+
+CFLAGS += $(CCVERBOSE)
+LDLIBS += -lctf -lelf
+
+LDFLAGS = \
+	-L$(ROOTONBLDLIBMACH) \
+	'-R$$ORIGIN/../../lib/$(MACH)' \
+
+CPPFLAGS += -include ../../common/ctf_headers.h
+CERRWARN += -_gcc=-Wno-unused-variable
+CERRWARN += -_gcc=-Wno-uninitialized
+
+OBJS = $(SRCS:%.c=%.o)
+
+all: $(PROG)
+
+$(PROG): $(OBJS)
+	$(LINK.c) $(OBJS) -o $@ $(LDLIBS)
+	$(POST_PROCESS)
+
+%.o: $(SRC)/cmd/ctfmerge/%.c
+	$(COMPILE.c) $<
+
+$(ROOTONBLDMACHPROG): $(PROG)
+
+install: $(ROOTONBLDMACHPROG)
+
+clean:
+	$(RM) $(OBJS) $(LINTFILES)
+
+include $(SRC)/tools/Makefile.targ
diff --git a/usr/src/tools/ctf/dump/i386/Makefile b/usr/src/tools/ctf/ctfmerge/i386/Makefile
index 94e5883ae2..cd5462bee3 100644
--- a/usr/src/tools/ctf/dump/i386/Makefile
+++ b/usr/src/tools/ctf/ctfmerge/i386/Makefile
@@ -23,6 +23,5 @@
 # Copyright (c) 2001 by Sun Microsystems, Inc.
 # All rights reserved.
 #
-#ident	"%Z%%M%	%I%	%E% SMI"
 
 include ../Makefile.com
diff --git a/usr/src/tools/ctf/dump/sparc/Makefile b/usr/src/tools/ctf/ctfmerge/sparc/Makefile
index 94e5883ae2..cd5462bee3 100644
--- a/usr/src/tools/ctf/dump/sparc/Makefile
+++ b/usr/src/tools/ctf/ctfmerge/sparc/Makefile
@@ -23,6 +23,5 @@
 # Copyright (c) 2001 by Sun Microsystems, Inc.
 # All rights reserved.
 #
-#ident	"%Z%%M%	%I%	%E% SMI"
 
 include ../Makefile.com
diff --git a/usr/src/tools/ctf/cvt/Makefile.com b/usr/src/tools/ctf/cvt/Makefile.com
index 5385b3769f..d909031167 100644
--- a/usr/src/tools/ctf/cvt/Makefile.com
+++ b/usr/src/tools/ctf/cvt/Makefile.com
@@ -32,6 +32,7 @@ PROG=ctfconvert ctfmerge
 
 GENSRCS= \
 	alist.c \
+	altexec.c \
 	barrier.c \
 	ctf.c \
 	fifo.c \
diff --git a/usr/src/tools/ctf/cvt/altexec.c b/usr/src/tools/ctf/cvt/altexec.c
new file mode 100644
index 0000000000..c986c0731a
--- /dev/null
+++ b/usr/src/tools/ctf/cvt/altexec.c
@@ -0,0 +1,45 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015, Joyent, Inc.
+ */
+
+/*
+ * Alternate execution engine for CTF tools
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "ctftools.h"
+
+void
+ctf_altexec(const char *env, int argc, char **argv)
+{
+	const char *alt;
+	char *altexec;
+
+	alt = getenv(env);
+	if (alt == NULL || *alt == '\0')
+		return;
+
+	altexec = strdup(alt);
+	if (altexec == NULL)
+		terminate("failed to allocate memory for altexec\n");
+
+	if (unsetenv(env) != 0)
+		aborterr("failed to remove %s from environment", env);
+
+	(void) execv(altexec, argv);
+	terminate("failed to altexec %s", altexec);
+}
diff --git a/usr/src/tools/ctf/cvt/ctfconvert.c b/usr/src/tools/ctf/cvt/ctfconvert.c
index 36496c5e9d..af005e1934 100644
--- a/usr/src/tools/ctf/cvt/ctfconvert.c
+++ b/usr/src/tools/ctf/cvt/ctfconvert.c
@@ -146,6 +146,7 @@ main(int argc, char **argv)
 {
 	tdata_t *filetd, *mstrtd;
 	char *label = NULL;
+	char *altexec;
 	int verbose = 0;
 	int ignore_non_c = 0;
 	int c;
@@ -156,12 +157,21 @@ main(int argc, char **argv)
 
 	progname = basename(argv[0]);
 
+	ctf_altexec("CTFCONVERT_ALTEXEC", argc, argv);
+
 	if (getenv("CTFCONVERT_DEBUG_LEVEL"))
 		debug_level = atoi(getenv("CTFCONVERT_DEBUG_LEVEL"));
 	if (getenv("CTFCONVERT_DEBUG_PARSE"))
 		debug_parse = atoi(getenv("CTFCONVERT_DEBUG_PARSE"));
 
-	while ((c = getopt(argc, argv, ":l:L:o:ivs")) != EOF) {
+	if ((altexec = getenv("CTFCONVERT_ALTEXEC")) != NULL) {
+		(void) unsetenv("CTFCONVERT_ALTEXEC");
+		(void) execv(altexec, argv);
+		(void) fprintf(stderr, "ctfconvert altexec failed to "
+		    "run %s: %s\n", altexec, strerror(errno));
+	}
+
+	while ((c = getopt(argc, argv, ":l:L:o:givs")) != EOF) {
 		switch (c) {
 		case 'l':
 			label = optarg;
diff --git a/usr/src/tools/ctf/cvt/ctfmerge.c b/usr/src/tools/ctf/cvt/ctfmerge.c
index 5706cceb17..b8053a7a23 100644
--- a/usr/src/tools/ctf/cvt/ctfmerge.c
+++ b/usr/src/tools/ctf/cvt/ctfmerge.c
@@ -745,6 +745,8 @@ main(int argc, char **argv)
 
 	progname = basename(argv[0]);
 
+	ctf_altexec("CTFMERGE_ALTEXEC", argc, argv);
+
 	if (getenv("CTFMERGE_DEBUG_LEVEL"))
 		debug_level = atoi(getenv("CTFMERGE_DEBUG_LEVEL"));
 
diff --git a/usr/src/tools/ctf/cvt/ctftools.h b/usr/src/tools/ctf/cvt/ctftools.h
index 708dfd82ef..755af5176d 100644
--- a/usr/src/tools/ctf/cvt/ctftools.h
+++ b/usr/src/tools/ctf/cvt/ctftools.h
@@ -43,6 +43,17 @@
 extern "C" {
 #endif
 
+/*
+ * XXX: This is hack to deal with GCC 4.x removing __builtin_stdarg_start
+ *
+ * We need to build on systems that don't have the fixed va_impl.h on the
+ * system, to achieve that, we stub it out here and in all similar places to
+ * give us a leg up.
+ */
+#if __GNUC__ >= 4
+#define	__builtin_stdarg_start(list, name)	__builtin_va_start(list, name)
+#endif
+
 #include "list.h"
 #include "hash.h"
 
@@ -441,6 +452,9 @@ void warning(char *, ...);
 void vadebug(int, char *, va_list);
 void debug(int, char *, ...);
 
+/* altexec.c */
+void ctf_altexec(const char *, int argc, char **);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/usr/src/tools/ctf/dump/dump.c b/usr/src/tools/ctf/dump/dump.c
deleted file mode 100644
index 5579bae596..0000000000
--- a/usr/src/tools/ctf/dump/dump.c
+++ /dev/null
@@ -1,1028 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-/*
- * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
-#include <sys/types.h>
-#include <sys/sysmacros.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-
-#include <strings.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <gelf.h>
-#include <zlib.h>
-
-#include "ctf_headers.h"
-#include "utils.h"
-#include "symbol.h"
-
-#define	WARN(x)	{ warn(x); return (E_ERROR); }
-
-/*
- * Flags that indicate what data is to be displayed.  An explicit `all' value is
- * provided to allow the code to distinguish between a request for everything
- * (currently requested by invoking ctfdump without flags) and individual
- * requests for all of the types of data (an invocation with all flags).  In the
- * former case, we want to be able to implicitly adjust the definition of `all'
- * based on the CTF version of the file being dumped.  For example, if a v2 file
- * is being dumped, `all' includes F_LABEL - a request to dump the label
- * section.  If a v1 file is being dumped, `all' does not include F_LABEL,
- * because v1 CTF doesn't support labels.  We need to be able to distinguish
- * between `ctfdump foo', which has an implicit request for labels if `foo'
- * supports them, and `ctfdump -l foo', which has an explicity request.  In the
- * latter case, we exit with an error if `foo' is a v1 CTF file.
- */
-static enum {
-	F_DATA	= 0x01,		/* show data object section */
-	F_FUNC	= 0x02,		/* show function section */
-	F_HDR	= 0x04,		/* show header */
-	F_STR	= 0x08,		/* show string table */
-	F_TYPES	= 0x10,		/* show type section */
-	F_STATS = 0x20, 	/* show statistics */
-	F_LABEL	= 0x40,		/* show label section */
-	F_ALL	= 0x80,		/* explicit request for `all' */
-	F_ALLMSK = 0xff		/* show all sections and statistics */
-} flags = 0;
-
-static struct {
-	ulong_t s_ndata;	/* total number of data objects */
-	ulong_t s_nfunc;	/* total number of functions */
-	ulong_t s_nargs;	/* total number of function arguments */
-	ulong_t s_argmax;	/* longest argument list */
-	ulong_t s_ntypes;	/* total number of types */
-	ulong_t s_types[16];	/* number of types by kind */
-	ulong_t s_nsmem;	/* total number of struct members */
-	ulong_t s_nsbytes;	/* total size of all structs */
-	ulong_t s_smmax;	/* largest struct in terms of members */
-	ulong_t s_sbmax;	/* largest struct in terms of bytes */
-	ulong_t s_numem;	/* total number of union members */
-	ulong_t s_nubytes;	/* total size of all unions */
-	ulong_t s_ummax;	/* largest union in terms of members */
-	ulong_t s_ubmax;	/* largest union in terms of bytes */
-	ulong_t s_nemem;	/* total number of enum members */
-	ulong_t s_emmax;	/* largest enum in terms of members */
-	ulong_t s_nstr;		/* total number of strings */
-	size_t s_strlen;	/* total length of all strings */
-	size_t s_strmax;	/* longest string length */
-} stats;
-
-typedef struct ctf_data {
-	caddr_t cd_ctfdata;	/* Pointer to the CTF data */
-	size_t cd_ctflen;	/* Length of CTF data */
-
-	/*
-	 * cd_symdata will be non-NULL if the CTF data is being retrieved from
-	 * an ELF file with a symbol table.  cd_strdata and cd_nsyms should be
-	 * used only if cd_symdata is non-NULL.
-	 */
-	Elf_Data *cd_symdata;	/* Symbol table */
-	Elf_Data *cd_strdata;	/* Symbol table strings */
-	int cd_nsyms;		/* Number of symbol table entries */
-} ctf_data_t;
-
-static const char *
-ref_to_str(uint_t name, const ctf_header_t *hp, const ctf_data_t *cd)
-{
-	size_t offset = CTF_NAME_OFFSET(name);
-	const char *s = cd->cd_ctfdata + hp->cth_stroff + offset;
-
-	if (CTF_NAME_STID(name) != CTF_STRTAB_0)
-		return ("<< ??? - name in external strtab >>");
-
-	if (offset >= hp->cth_strlen)
-		return ("<< ??? - name exceeds strlab len >>");
-
-	if (hp->cth_stroff + offset >= cd->cd_ctflen)
-		return ("<< ??? - file truncated >>");
-
-	if (s[0] == '\0')
-		return ("(anon)");
-
-	return (s);
-}
-
-static const char *
-int_encoding_to_str(uint_t encoding)
-{
-	static char buf[32];
-
-	if (encoding == 0 || (encoding & ~(CTF_INT_SIGNED | CTF_INT_CHAR |
-	    CTF_INT_BOOL | CTF_INT_VARARGS)) != 0)
-		(void) snprintf(buf, sizeof (buf), " 0x%x", encoding);
-	else {
-		buf[0] = '\0';
-		if (encoding & CTF_INT_SIGNED)
-			(void) strcat(buf, " SIGNED");
-		if (encoding & CTF_INT_CHAR)
-			(void) strcat(buf, " CHAR");
-		if (encoding & CTF_INT_BOOL)
-			(void) strcat(buf, " BOOL");
-		if (encoding & CTF_INT_VARARGS)
-			(void) strcat(buf, " VARARGS");
-	}
-
-	return (buf + 1);
-}
-
-static const char *
-fp_encoding_to_str(uint_t encoding)
-{
-	static const char *const encs[] = {
-		NULL, "SINGLE", "DOUBLE", "COMPLEX", "DCOMPLEX", "LDCOMPLEX",
-		"LDOUBLE", "INTERVAL", "DINTERVAL", "LDINTERVAL", "IMAGINARY",
-		"DIMAGINARY", "LDIMAGINARY"
-	};
-
-	static char buf[16];
-
-	if (encoding < 1 || encoding >= (sizeof (encs) / sizeof (char *))) {
-		(void) snprintf(buf, sizeof (buf), "%u", encoding);
-		return (buf);
-	}
-
-	return (encs[encoding]);
-}
-
-static void
-print_line(const char *s)
-{
-	static const char line[] = "----------------------------------------"
-	    "----------------------------------------";
-	(void) printf("\n%s%.*s\n\n", s, (int)(78 - strlen(s)), line);
-}
-
-static int
-print_header(const ctf_header_t *hp, const ctf_data_t *cd)
-{
-	print_line("- CTF Header ");
-
-	(void) printf("  cth_magic    = 0x%04x\n", hp->cth_magic);
-	(void) printf("  cth_version  = %u\n", hp->cth_version);
-	(void) printf("  cth_flags    = 0x%02x\n", hp->cth_flags);
-	(void) printf("  cth_parlabel = %s\n",
-	    ref_to_str(hp->cth_parlabel, hp, cd));
-	(void) printf("  cth_parname  = %s\n",
-	    ref_to_str(hp->cth_parname, hp, cd));
-	(void) printf("  cth_lbloff   = %u\n", hp->cth_lbloff);
-	(void) printf("  cth_objtoff  = %u\n", hp->cth_objtoff);
-	(void) printf("  cth_funcoff  = %u\n", hp->cth_funcoff);
-	(void) printf("  cth_typeoff  = %u\n", hp->cth_typeoff);
-	(void) printf("  cth_stroff   = %u\n", hp->cth_stroff);
-	(void) printf("  cth_strlen   = %u\n", hp->cth_strlen);
-
-	return (E_SUCCESS);
-}
-
-static int
-print_labeltable(const ctf_header_t *hp, const ctf_data_t *cd)
-{
-	/* LINTED - pointer alignment */
-	const ctf_lblent_t *ctl = (ctf_lblent_t *)(cd->cd_ctfdata +
-	    hp->cth_lbloff);
-	ulong_t i, n = (hp->cth_objtoff - hp->cth_lbloff) / sizeof (*ctl);
-
-	print_line("- Label Table ");
-
-	if (hp->cth_lbloff & 3)
-		WARN("cth_lbloff is not aligned properly\n");
-	if (hp->cth_lbloff >= cd->cd_ctflen)
-		WARN("file is truncated or cth_lbloff is corrupt\n");
-	if (hp->cth_objtoff >= cd->cd_ctflen)
-		WARN("file is truncated or cth_objtoff is corrupt\n");
-	if (hp->cth_lbloff > hp->cth_objtoff)
-		WARN("file is corrupt -- cth_lbloff > cth_objtoff\n");
-
-	for (i = 0; i < n; i++, ctl++) {
-		(void) printf("  %5u %s\n", ctl->ctl_typeidx,
-		    ref_to_str(ctl->ctl_label, hp, cd));
-	}
-
-	return (E_SUCCESS);
-}
-
-/*
- * Given the current symbol index (-1 to start at the beginning of the symbol
- * table) and the type of symbol to match, this function returns the index of
- * the next matching symbol (if any), and places the name of that symbol in
- * *namep.  If no symbol is found, -1 is returned.
- */
-static int
-next_sym(const ctf_data_t *cd, const int symidx, const uchar_t matchtype,
-    char **namep)
-{
-	int i;
-
-	for (i = symidx + 1; i < cd->cd_nsyms; i++) {
-		GElf_Sym sym;
-		char *name;
-		int type;
-
-		if (gelf_getsym(cd->cd_symdata, i, &sym) == 0)
-			return (-1);
-
-		name = (char *)cd->cd_strdata->d_buf + sym.st_name;
-		type = GELF_ST_TYPE(sym.st_info);
-
-		/*
-		 * Skip various types of symbol table entries.
-		 */
-		if (type != matchtype || ignore_symbol(&sym, name))
-			continue;
-
-		/* Found one */
-		*namep = name;
-		return (i);
-	}
-
-	return (-1);
-}
-
-static int
-read_data(const ctf_header_t *hp, const ctf_data_t *cd)
-{
-	/* LINTED - pointer alignment */
-	const ushort_t *idp = (ushort_t *)(cd->cd_ctfdata + hp->cth_objtoff);
-	ulong_t n = (hp->cth_funcoff - hp->cth_objtoff) / sizeof (ushort_t);
-
-	if (flags != F_STATS)
-		print_line("- Data Objects ");
-
-	if (hp->cth_objtoff & 1)
-		WARN("cth_objtoff is not aligned properly\n");
-	if (hp->cth_objtoff >= cd->cd_ctflen)
-		WARN("file is truncated or cth_objtoff is corrupt\n");
-	if (hp->cth_funcoff >= cd->cd_ctflen)
-		WARN("file is truncated or cth_funcoff is corrupt\n");
-	if (hp->cth_objtoff > hp->cth_funcoff)
-		WARN("file is corrupt -- cth_objtoff > cth_funcoff\n");
-
-	if (flags != F_STATS) {
-		int symidx, len, i;
-		char *name = NULL;
-
-		for (symidx = -1, i = 0; i < n; i++) {
-			int nextsym;
-
-			if (cd->cd_symdata == NULL || (nextsym = next_sym(cd,
-			    symidx, STT_OBJECT, &name)) < 0)
-				name = NULL;
-			else
-				symidx = nextsym;
-
-			len = printf("  [%u] %u", i, *idp++);
-			if (name != NULL)
-				(void) printf("%*s%s (%u)", (15 - len), "",
-				    name, symidx);
-			(void) putchar('\n');
-		}
-	}
-
-	stats.s_ndata = n;
-	return (E_SUCCESS);
-}
-
-static int
-read_funcs(const ctf_header_t *hp, const ctf_data_t *cd)
-{
-	/* LINTED - pointer alignment */
-	const ushort_t *fp = (ushort_t *)(cd->cd_ctfdata + hp->cth_funcoff);
-
-	/* LINTED - pointer alignment */
-	const ushort_t *end = (ushort_t *)(cd->cd_ctfdata + hp->cth_typeoff);
-
-	ulong_t id;
-	int symidx;
-
-	if (flags != F_STATS)
-		print_line("- Functions ");
-
-	if (hp->cth_funcoff & 1)
-		WARN("cth_funcoff is not aligned properly\n");
-	if (hp->cth_funcoff >= cd->cd_ctflen)
-		WARN("file is truncated or cth_funcoff is corrupt\n");
-	if (hp->cth_typeoff >= cd->cd_ctflen)
-		WARN("file is truncated or cth_typeoff is corrupt\n");
-	if (hp->cth_funcoff > hp->cth_typeoff)
-		WARN("file is corrupt -- cth_funcoff > cth_typeoff\n");
-
-	for (symidx = -1, id = 0; fp < end; id++) {
-		ushort_t info = *fp++;
-		ushort_t kind = CTF_INFO_KIND(info);
-		ushort_t n = CTF_INFO_VLEN(info);
-		ushort_t i;
-		int nextsym;
-		char *name;
-
-		if (cd->cd_symdata == NULL || (nextsym = next_sym(cd, symidx,
-		    STT_FUNC, &name)) < 0)
-			name = NULL;
-		else
-			symidx = nextsym;
-
-		if (kind == CTF_K_UNKNOWN && n == 0)
-			continue; /* skip padding */
-
-		if (kind != CTF_K_FUNCTION) {
-			(void) printf("  [%lu] unexpected kind -- %u\n",
-			    id, kind);
-			return (E_ERROR);
-		}
-
-		if (fp + n > end) {
-			(void) printf("  [%lu] vlen %u extends past section "
-			    "boundary\n", id, n);
-			return (E_ERROR);
-		}
-
-		if (flags != F_STATS) {
-			(void) printf("  [%lu] FUNC ", id);
-			if (name != NULL)
-				(void) printf("(%s) ", name);
-			(void) printf("returns: %u args: (", *fp++);
-
-			if (n != 0) {
-				(void) printf("%u", *fp++);
-				for (i = 1; i < n; i++)
-					(void) printf(", %u", *fp++);
-			}
-
-			(void) printf(")\n");
-		} else
-			fp += n + 1; /* skip to next function definition */
-
-		stats.s_nfunc++;
-		stats.s_nargs += n;
-		stats.s_argmax = MAX(stats.s_argmax, n);
-	}
-
-	return (E_SUCCESS);
-}
-
-static int
-read_types(const ctf_header_t *hp, const ctf_data_t *cd)
-{
-	/* LINTED - pointer alignment */
-	const ctf_type_t *tp = (ctf_type_t *)(cd->cd_ctfdata + hp->cth_typeoff);
-
-	/* LINTED - pointer alignment */
-	const ctf_type_t *end = (ctf_type_t *)(cd->cd_ctfdata + hp->cth_stroff);
-
-	ulong_t id;
-
-	if (flags != F_STATS)
-		print_line("- Types ");
-
-	if (hp->cth_typeoff & 3)
-		WARN("cth_typeoff is not aligned properly\n");
-	if (hp->cth_typeoff >= cd->cd_ctflen)
-		WARN("file is truncated or cth_typeoff is corrupt\n");
-	if (hp->cth_stroff >= cd->cd_ctflen)
-		WARN("file is truncated or cth_stroff is corrupt\n");
-	if (hp->cth_typeoff > hp->cth_stroff)
-		WARN("file is corrupt -- cth_typeoff > cth_stroff\n");
-
-	id = 1;
-	if (hp->cth_parlabel || hp->cth_parname)
-		id += 1 << CTF_PARENT_SHIFT;
-
-	for (/* */; tp < end; id++) {
-		ulong_t i, n = CTF_INFO_VLEN(tp->ctt_info);
-		size_t size, increment, vlen = 0;
-		int kind = CTF_INFO_KIND(tp->ctt_info);
-
-		union {
-			const void *ptr;
-			const ctf_array_t *ap;
-			const ctf_member_t *mp;
-			const ctf_lmember_t *lmp;
-			const ctf_enum_t *ep;
-			const ushort_t *argp;
-		} u;
-
-		if (flags != F_STATS) {
-			(void) printf("  %c%lu%c ",
-			    "[<"[CTF_INFO_ISROOT(tp->ctt_info)], id,
-			    "]>"[CTF_INFO_ISROOT(tp->ctt_info)]);
-		}
-
-		if (tp->ctt_size == CTF_LSIZE_SENT) {
-			increment = sizeof (ctf_type_t);
-			size = (size_t)CTF_TYPE_LSIZE(tp);
-		} else {
-			increment = sizeof (ctf_stype_t);
-			size = tp->ctt_size;
-		}
-		u.ptr = (caddr_t)tp + increment;
-
-		switch (kind) {
-		case CTF_K_INTEGER:
-			if (flags != F_STATS) {
-				uint_t encoding = *((const uint_t *)u.ptr);
-
-				(void) printf("INTEGER %s encoding=%s offset=%u"
-				    " bits=%u", ref_to_str(tp->ctt_name, hp,
-				    cd), int_encoding_to_str(
-				    CTF_INT_ENCODING(encoding)),
-				    CTF_INT_OFFSET(encoding),
-				    CTF_INT_BITS(encoding));
-			}
-			vlen = sizeof (uint_t);
-			break;
-
-		case CTF_K_FLOAT:
-			if (flags != F_STATS) {
-				uint_t encoding = *((const uint_t *)u.ptr);
-
-				(void) printf("FLOAT %s encoding=%s offset=%u "
-				    "bits=%u", ref_to_str(tp->ctt_name, hp,
-				    cd), fp_encoding_to_str(
-				    CTF_FP_ENCODING(encoding)),
-				    CTF_FP_OFFSET(encoding),
-				    CTF_FP_BITS(encoding));
-			}
-			vlen = sizeof (uint_t);
-			break;
-
-		case CTF_K_POINTER:
-			if (flags != F_STATS) {
-				(void) printf("POINTER %s refers to %u",
-				    ref_to_str(tp->ctt_name, hp, cd),
-				    tp->ctt_type);
-			}
-			break;
-
-		case CTF_K_ARRAY:
-			if (flags != F_STATS) {
-				(void) printf("ARRAY %s content: %u index: %u "
-				    "nelems: %u\n", ref_to_str(tp->ctt_name,
-				    hp, cd), u.ap->cta_contents,
-				    u.ap->cta_index, u.ap->cta_nelems);
-			}
-			vlen = sizeof (ctf_array_t);
-			break;
-
-		case CTF_K_FUNCTION:
-			if (flags != F_STATS) {
-				(void) printf("FUNCTION %s returns: %u args: (",
-				    ref_to_str(tp->ctt_name, hp, cd),
-				    tp->ctt_type);
-
-				if (n != 0) {
-					(void) printf("%u", *u.argp++);
-					for (i = 1; i < n; i++, u.argp++)
-						(void) printf(", %u", *u.argp);
-				}
-
-				(void) printf(")");
-			}
-
-			vlen = sizeof (ushort_t) * (n + (n & 1));
-			break;
-
-		case CTF_K_STRUCT:
-		case CTF_K_UNION:
-			if (kind == CTF_K_STRUCT) {
-				stats.s_nsmem += n;
-				stats.s_smmax = MAX(stats.s_smmax, n);
-				stats.s_nsbytes += size;
-				stats.s_sbmax = MAX(stats.s_sbmax, size);
-
-				if (flags != F_STATS)
-					(void) printf("STRUCT");
-			} else {
-				stats.s_numem += n;
-				stats.s_ummax = MAX(stats.s_ummax, n);
-				stats.s_nubytes += size;
-				stats.s_ubmax = MAX(stats.s_ubmax, size);
-
-				if (flags != F_STATS)
-					(void) printf("UNION");
-			}
-
-			if (flags != F_STATS) {
-				(void) printf(" %s (%d bytes)\n",
-				    ref_to_str(tp->ctt_name, hp, cd), size);
-
-				if (size >= CTF_LSTRUCT_THRESH) {
-					for (i = 0; i < n; i++, u.lmp++) {
-						(void) printf(
-						    "\t%s type=%u off=%llu\n",
-						    ref_to_str(u.lmp->ctlm_name,
-						    hp, cd), u.lmp->ctlm_type,
-						    CTF_LMEM_OFFSET(u.lmp));
-					}
-				} else {
-					for (i = 0; i < n; i++, u.mp++) {
-						(void) printf(
-						    "\t%s type=%u off=%u\n",
-						    ref_to_str(u.mp->ctm_name,
-						    hp, cd), u.mp->ctm_type,
-						    u.mp->ctm_offset);
-					}
-				}
-			}
-
-			vlen = n * (size >= CTF_LSTRUCT_THRESH ?
-			    sizeof (ctf_lmember_t) : sizeof (ctf_member_t));
-			break;
-
-		case CTF_K_ENUM:
-			if (flags != F_STATS) {
-				(void) printf("ENUM %s\n",
-				    ref_to_str(tp->ctt_name, hp, cd));
-
-				for (i = 0; i < n; i++, u.ep++) {
-					(void) printf("\t%s = %d\n",
-					    ref_to_str(u.ep->cte_name, hp, cd),
-					    u.ep->cte_value);
-				}
-			}
-
-			stats.s_nemem += n;
-			stats.s_emmax = MAX(stats.s_emmax, n);
-
-			vlen = sizeof (ctf_enum_t) * n;
-			break;
-
-		case CTF_K_FORWARD:
-			if (flags != F_STATS) {
-				(void) printf("FORWARD %s",
-				    ref_to_str(tp->ctt_name, hp, cd));
-			}
-			break;
-
-		case CTF_K_TYPEDEF:
-			if (flags != F_STATS) {
-				(void) printf("TYPEDEF %s refers to %u",
-				    ref_to_str(tp->ctt_name, hp, cd),
-				    tp->ctt_type);
-			}
-			break;
-
-		case CTF_K_VOLATILE:
-			if (flags != F_STATS) {
-				(void) printf("VOLATILE %s refers to %u",
-				    ref_to_str(tp->ctt_name, hp, cd),
-				    tp->ctt_type);
-			}
-			break;
-
-		case CTF_K_CONST:
-			if (flags != F_STATS) {
-				(void) printf("CONST %s refers to %u",
-				    ref_to_str(tp->ctt_name, hp, cd),
-				    tp->ctt_type);
-			}
-			break;
-
-		case CTF_K_RESTRICT:
-			if (flags != F_STATS) {
-				(void) printf("RESTRICT %s refers to %u",
-				    ref_to_str(tp->ctt_name, hp, cd),
-				    tp->ctt_type);
-			}
-			break;
-
-		case CTF_K_UNKNOWN:
-			break; /* hole in type id space */
-
-		default:
-			(void) printf("unexpected kind %u\n", kind);
-			return (E_ERROR);
-		}
-
-		if (flags != F_STATS)
-			(void) printf("\n");
-
-		stats.s_ntypes++;
-		stats.s_types[kind]++;
-
-		tp = (ctf_type_t *)((uintptr_t)tp + increment + vlen);
-	}
-
-	return (E_SUCCESS);
-}
-
-static int
-read_strtab(const ctf_header_t *hp, const ctf_data_t *cd)
-{
-	size_t n, off, len = hp->cth_strlen;
-	const char *s = cd->cd_ctfdata + hp->cth_stroff;
-
-	if (flags != F_STATS)
-		print_line("- String Table ");
-
-	if (hp->cth_stroff >= cd->cd_ctflen)
-		WARN("file is truncated or cth_stroff is corrupt\n");
-	if (hp->cth_stroff + hp->cth_strlen > cd->cd_ctflen)
-		WARN("file is truncated or cth_strlen is corrupt\n");
-
-	for (off = 0; len != 0; off += n) {
-		if (flags != F_STATS) {
-			(void) printf("  [%lu] %s\n", (ulong_t)off,
-			    s[0] == '\0' ? "\\0" : s);
-		}
-		n = strlen(s) + 1;
-		len -= n;
-		s += n;
-
-		stats.s_nstr++;
-		stats.s_strlen += n;
-		stats.s_strmax = MAX(stats.s_strmax, n);
-	}
-
-	return (E_SUCCESS);
-}
-
-static void
-long_stat(const char *name, ulong_t value)
-{
-	(void) printf("  %-36s= %lu\n", name, value);
-}
-
-static void
-fp_stat(const char *name, float value)
-{
-	(void) printf("  %-36s= %.2f\n", name, value);
-}
-
-static int
-print_stats(void)
-{
-	print_line("- CTF Statistics ");
-
-	long_stat("total number of data objects", stats.s_ndata);
-	(void) printf("\n");
-
-	long_stat("total number of functions", stats.s_nfunc);
-	long_stat("total number of function arguments", stats.s_nargs);
-	long_stat("maximum argument list length", stats.s_argmax);
-
-	if (stats.s_nfunc != 0) {
-		fp_stat("average argument list length",
-		    (float)stats.s_nargs / (float)stats.s_nfunc);
-	}
-
-	(void) printf("\n");
-
-	long_stat("total number of types", stats.s_ntypes);
-	long_stat("total number of integers", stats.s_types[CTF_K_INTEGER]);
-	long_stat("total number of floats", stats.s_types[CTF_K_FLOAT]);
-	long_stat("total number of pointers", stats.s_types[CTF_K_POINTER]);
-	long_stat("total number of arrays", stats.s_types[CTF_K_ARRAY]);
-	long_stat("total number of func types", stats.s_types[CTF_K_FUNCTION]);
-	long_stat("total number of structs", stats.s_types[CTF_K_STRUCT]);
-	long_stat("total number of unions", stats.s_types[CTF_K_UNION]);
-	long_stat("total number of enums", stats.s_types[CTF_K_ENUM]);
-	long_stat("total number of forward tags", stats.s_types[CTF_K_FORWARD]);
-	long_stat("total number of typedefs", stats.s_types[CTF_K_TYPEDEF]);
-	long_stat("total number of volatile types",
-	    stats.s_types[CTF_K_VOLATILE]);
-	long_stat("total number of const types", stats.s_types[CTF_K_CONST]);
-	long_stat("total number of restrict types",
-	    stats.s_types[CTF_K_RESTRICT]);
-	long_stat("total number of unknowns (holes)",
-	    stats.s_types[CTF_K_UNKNOWN]);
-
-	(void) printf("\n");
-
-	long_stat("total number of struct members", stats.s_nsmem);
-	long_stat("maximum number of struct members", stats.s_smmax);
-	long_stat("total size of all structs", stats.s_nsbytes);
-	long_stat("maximum size of a struct", stats.s_sbmax);
-
-	if (stats.s_types[CTF_K_STRUCT] != 0) {
-		fp_stat("average number of struct members",
-		    (float)stats.s_nsmem / (float)stats.s_types[CTF_K_STRUCT]);
-		fp_stat("average size of a struct", (float)stats.s_nsbytes /
-		    (float)stats.s_types[CTF_K_STRUCT]);
-	}
-
-	(void) printf("\n");
-
-	long_stat("total number of union members", stats.s_numem);
-	long_stat("maximum number of union members", stats.s_ummax);
-	long_stat("total size of all unions", stats.s_nubytes);
-	long_stat("maximum size of a union", stats.s_ubmax);
-
-	if (stats.s_types[CTF_K_UNION] != 0) {
-		fp_stat("average number of union members",
-		    (float)stats.s_numem / (float)stats.s_types[CTF_K_UNION]);
-		fp_stat("average size of a union", (float)stats.s_nubytes /
-		    (float)stats.s_types[CTF_K_UNION]);
-	}
-
-	(void) printf("\n");
-
-	long_stat("total number of enum members", stats.s_nemem);
-	long_stat("maximum number of enum members", stats.s_emmax);
-
-	if (stats.s_types[CTF_K_ENUM] != 0) {
-		fp_stat("average number of enum members",
-		    (float)stats.s_nemem / (float)stats.s_types[CTF_K_ENUM]);
-	}
-
-	(void) printf("\n");
-
-	long_stat("total number of unique strings", stats.s_nstr);
-	long_stat("bytes of string data", stats.s_strlen);
-	long_stat("maximum string length", stats.s_strmax);
-
-	if (stats.s_nstr != 0) {
-		fp_stat("average string length",
-		    (float)stats.s_strlen / (float)stats.s_nstr);
-	}
-
-	(void) printf("\n");
-	return (E_SUCCESS);
-}
-
-static int
-print_usage(FILE *fp, int verbose)
-{
-	(void) fprintf(fp, "Usage: %s [-dfhlsSt] [-u file] file\n", getpname());
-
-	if (verbose) {
-		(void) fprintf(fp,
-		    "\t-d  dump data object section\n"
-		    "\t-f  dump function section\n"
-		    "\t-h  dump file header\n"
-		    "\t-l  dump label table\n"
-		    "\t-s  dump string table\n"
-		    "\t-S  dump statistics\n"
-		    "\t-t  dump type section\n"
-		    "\t-u  save uncompressed CTF to a file\n");
-	}
-
-	return (E_USAGE);
-}
-
-static Elf_Scn *
-findelfscn(Elf *elf, GElf_Ehdr *ehdr, char *secname)
-{
-	GElf_Shdr shdr;
-	Elf_Scn *scn;
-	char *name;
-
-	for (scn = NULL; (scn = elf_nextscn(elf, scn)) != NULL; ) {
-		if (gelf_getshdr(scn, &shdr) != NULL && (name =
-		    elf_strptr(elf, ehdr->e_shstrndx, shdr.sh_name)) != NULL &&
-		    strcmp(name, secname) == 0)
-			return (scn);
-	}
-
-	return (NULL);
-}
-
-int
-main(int argc, char *argv[])
-{
-	const char *filename = NULL;
-	const char *ufile = NULL;
-	int error = 0;
-	int c, fd, ufd;
-
-	ctf_data_t cd;
-	const ctf_preamble_t *pp;
-	ctf_header_t *hp;
-	Elf *elf;
-	GElf_Ehdr ehdr;
-
-	(void) elf_version(EV_CURRENT);
-
-	for (opterr = 0; optind < argc; optind++) {
-		while ((c = getopt(argc, argv, "dfhlsStu:")) != (int)EOF) {
-			switch (c) {
-			case 'd':
-				flags |= F_DATA;
-				break;
-			case 'f':
-				flags |= F_FUNC;
-				break;
-			case 'h':
-				flags |= F_HDR;
-				break;
-			case 'l':
-				flags |= F_LABEL;
-				break;
-			case 's':
-				flags |= F_STR;
-				break;
-			case 'S':
-				flags |= F_STATS;
-				break;
-			case 't':
-				flags |= F_TYPES;
-				break;
-			case 'u':
-				ufile = optarg;
-				break;
-			default:
-				if (optopt == '?')
-					return (print_usage(stdout, 1));
-				warn("illegal option -- %c\n", optopt);
-				return (print_usage(stderr, 0));
-			}
-		}
-
-		if (optind < argc) {
-			if (filename != NULL)
-				return (print_usage(stderr, 0));
-			filename = argv[optind];
-		}
-	}
-
-	if (filename == NULL)
-		return (print_usage(stderr, 0));
-
-	if (flags == 0 && ufile == NULL)
-		flags = F_ALLMSK;
-
-	if ((fd = open(filename, O_RDONLY)) == -1)
-		die("failed to open %s", filename);
-
-	if ((elf = elf_begin(fd, ELF_C_READ, NULL)) != NULL &&
-	    gelf_getehdr(elf, &ehdr) != NULL) {
-
-		Elf_Data *dp;
-		Elf_Scn *ctfscn = findelfscn(elf, &ehdr, ".SUNW_ctf");
-		Elf_Scn *symscn;
-		GElf_Shdr ctfshdr;
-
-		if (ctfscn == NULL || (dp = elf_getdata(ctfscn, NULL)) == NULL)
-			die("%s does not contain .SUNW_ctf data\n", filename);
-
-		cd.cd_ctfdata = dp->d_buf;
-		cd.cd_ctflen = dp->d_size;
-
-		/*
-		 * If the sh_link field of the CTF section header is non-zero
-		 * it indicates which section contains the symbol table that
-		 * should be used. We default to the .symtab section if sh_link
-		 * is zero or if there's an error reading the section header.
-		 */
-		if (gelf_getshdr(ctfscn, &ctfshdr) != NULL &&
-		    ctfshdr.sh_link != 0) {
-			symscn = elf_getscn(elf, ctfshdr.sh_link);
-		} else {
-			symscn = findelfscn(elf, &ehdr, ".symtab");
-		}
-
-		/* If we found a symbol table, find the corresponding strings */
-		if (symscn != NULL) {
-			GElf_Shdr shdr;
-			Elf_Scn *symstrscn;
-
-			if (gelf_getshdr(symscn, &shdr) != NULL) {
-				symstrscn = elf_getscn(elf, shdr.sh_link);
-
-				cd.cd_nsyms = shdr.sh_size / shdr.sh_entsize;
-				cd.cd_symdata = elf_getdata(symscn, NULL);
-				cd.cd_strdata = elf_getdata(symstrscn, NULL);
-			}
-		}
-	} else {
-		struct stat st;
-
-		if (fstat(fd, &st) == -1)
-			die("failed to fstat %s", filename);
-
-		cd.cd_ctflen = st.st_size;
-		cd.cd_ctfdata = mmap(NULL, cd.cd_ctflen, PROT_READ,
-		    MAP_PRIVATE, fd, 0);
-		if (cd.cd_ctfdata == MAP_FAILED)
-			die("failed to mmap %s", filename);
-	}
-
-	/*
-	 * Get a pointer to the CTF data buffer and interpret the first portion
-	 * as a ctf_header_t.  Validate the magic number and size.
-	 */
-
-	if (cd.cd_ctflen < sizeof (ctf_preamble_t))
-		die("%s does not contain a CTF preamble\n", filename);
-
-	/* LINTED - pointer alignment */
-	pp = (const ctf_preamble_t *)cd.cd_ctfdata;
-
-	if (pp->ctp_magic != CTF_MAGIC)
-		die("%s does not appear to contain CTF data\n", filename);
-
-	if (pp->ctp_version == CTF_VERSION) {
-		/* LINTED - pointer alignment */
-		hp = (ctf_header_t *)cd.cd_ctfdata;
-		cd.cd_ctfdata = (caddr_t)cd.cd_ctfdata + sizeof (ctf_header_t);
-
-		if (cd.cd_ctflen < sizeof (ctf_header_t)) {
-			die("%s does not contain a v%d CTF header\n", filename,
-			    CTF_VERSION);
-		}
-
-	} else {
-		die("%s contains unsupported CTF version %d\n", filename,
-		    pp->ctp_version);
-	}
-
-	/*
-	 * If the data buffer is compressed, then malloc a buffer large enough
-	 * to hold the decompressed data, and use zlib to decompress it.
-	 */
-	if (hp->cth_flags & CTF_F_COMPRESS) {
-		z_stream zstr;
-		void *buf;
-		int rc;
-
-		if ((buf = malloc(hp->cth_stroff + hp->cth_strlen)) == NULL)
-			die("failed to allocate decompression buffer");
-
-		bzero(&zstr, sizeof (z_stream));
-		zstr.next_in = (void *)cd.cd_ctfdata;
-		zstr.avail_in = cd.cd_ctflen;
-		zstr.next_out = buf;
-		zstr.avail_out = hp->cth_stroff + hp->cth_strlen;
-
-		if ((rc = inflateInit(&zstr)) != Z_OK)
-			die("failed to initialize zlib: %s\n", zError(rc));
-
-		if ((rc = inflate(&zstr, Z_FINISH)) != Z_STREAM_END)
-			die("failed to decompress CTF data: %s\n", zError(rc));
-
-		if ((rc = inflateEnd(&zstr)) != Z_OK)
-			die("failed to finish decompression: %s\n", zError(rc));
-
-		if (zstr.total_out != hp->cth_stroff + hp->cth_strlen)
-			die("CTF data is corrupt -- short decompression\n");
-
-		cd.cd_ctfdata = buf;
-		cd.cd_ctflen = hp->cth_stroff + hp->cth_strlen;
-	}
-
-	if (flags & F_HDR)
-		error |= print_header(hp, &cd);
-	if (flags & (F_LABEL))
-		error |= print_labeltable(hp, &cd);
-	if (flags & (F_DATA | F_STATS))
-		error |= read_data(hp, &cd);
-	if (flags & (F_FUNC | F_STATS))
-		error |= read_funcs(hp, &cd);
-	if (flags & (F_TYPES | F_STATS))
-		error |= read_types(hp, &cd);
-	if (flags & (F_STR | F_STATS))
-		error |= read_strtab(hp, &cd);
-	if (flags & F_STATS)
-		error |= print_stats();
-
-	/*
-	 * If the -u option is specified, write the uncompressed CTF data to a
-	 * raw CTF file.  CTF data can already be extracted compressed by
-	 * applying elfdump -w -N .SUNW_ctf to an ELF file, so we don't bother.
-	 */
-	if (ufile != NULL) {
-		ctf_header_t h;
-
-		bcopy(hp, &h, sizeof (h));
-		h.cth_flags &= ~CTF_F_COMPRESS;
-
-		if ((ufd = open(ufile, O_WRONLY|O_CREAT|O_TRUNC, 0666)) < 0 ||
-		    write(ufd, &h, sizeof (h)) != sizeof (h) ||
-		    write(ufd, cd.cd_ctfdata, cd.cd_ctflen) != cd.cd_ctflen) {
-			warn("failed to write CTF data to '%s'", ufile);
-			error |= E_ERROR;
-		}
-
-		(void) close(ufd);
-	}
-
-	if (elf != NULL)
-		(void) elf_end(elf);
-
-	(void) close(fd);
-	return (error);
-}
diff --git a/usr/src/tools/ctf/libctf/Makefile b/usr/src/tools/ctf/libctf/Makefile
new file mode 100644
index 0000000000..5e9236c43d
--- /dev/null
+++ b/usr/src/tools/ctf/libctf/Makefile
@@ -0,0 +1,46 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+include ../../Makefile.tools
+
+HDRS = libctf.h
+HDRDIR = common
+
+SUBDIRS = $(MACH) 
+
+all := TARGET = all
+clean := TARGET = clean
+clobber := TARGET = clobber
+install := TARGET = install
+lint := TARGET = lint
+
+.KEEP_STATE:
+
+all clean clobber install lint: $(SUBDIRS)
+
+$(SUBDIRS): FRC
+	@cd $@; pwd; $(MAKE) $(TARGET)
+
+FRC:
diff --git a/usr/src/tools/ctf/libctf/Makefile.com b/usr/src/tools/ctf/libctf/Makefile.com
new file mode 100644
index 0000000000..e47bde3e3b
--- /dev/null
+++ b/usr/src/tools/ctf/libctf/Makefile.com
@@ -0,0 +1,44 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2015, Joyent, Inc.
+#
+
+include $(SRC)/lib/libctf/Makefile.shared.com
+include ../../Makefile.ctf
+
+CPPFLAGS += -include ../../common/ctf_headers.h \
+		-DCTF_OLD_VERSIONS \
+		-DCTF_TOOLS_BUILD
+LDLIBS += -lc -lelf
+
+.KEEP_STATE:
+
+all: $(LIBS)
+
+install: all $(ROOTONBLDLIBMACH)/libctf.so.1 $(ROOTONBLDLIBMACH)/libctf.so
+
+$(ROOTONBLDLIBMACH)/%: %
+	$(INS.file)
+
+$(ROOTONBLDLIBMACH)/$(LIBLINKS): $(ROOTONBLDLIBMACH)/$(LIBLINKS)$(VERS)
+	$(INS.liblink)
+
+#
+# Just like with libdwarf, we can't actually add ctf to ourselves,
+# because we're part of the tools for creating CTF.
+#
+$(DYNLIB) := CTFMERGE_POST= :
+CTFCONVERT_O= :
+
+include $(SRC)/lib/Makefile.targ
+include $(SRC)/lib/libctf/Makefile.shared.targ
diff --git a/usr/src/tools/ctf/libctf/i386/Makefile b/usr/src/tools/ctf/libctf/i386/Makefile
new file mode 100644
index 0000000000..bb2f077f86
--- /dev/null
+++ b/usr/src/tools/ctf/libctf/i386/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2015, Joyent, Inc. 
+#
+
+include ../Makefile.com
+
+all:	$(LIBS)
diff --git a/usr/src/tools/ctf/libctf/sparc/Makefile b/usr/src/tools/ctf/libctf/sparc/Makefile
new file mode 100644
index 0000000000..bb2f077f86
--- /dev/null
+++ b/usr/src/tools/ctf/libctf/sparc/Makefile
@@ -0,0 +1,18 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2015, Joyent, Inc. 
+#
+
+include ../Makefile.com
+
+all:	$(LIBS)
diff --git a/usr/src/tools/env/illumos.sh b/usr/src/tools/env/illumos.sh
index 5751ee0a08..d170f1265d 100644
--- a/usr/src/tools/env/illumos.sh
+++ b/usr/src/tools/env/illumos.sh
@@ -242,3 +242,9 @@ export ENABLE_SMB_PRINTING=
 #export PERL_VERSION=5.16.1
 #export PERL_ARCH=i86pc-solaris-thread-multi-64int
 #export PERL_PKGVERS=-5161
+
+#
+# These checks ensure that if we accidentally run a program linked against the
+# proto area, that we then fail the build.
+#
+export LD_TOXIC_PATH="$ROOT/lib:$ROOT/usr/lib"
diff --git a/usr/src/tools/findunref/exception_list.git b/usr/src/tools/findunref/exception_list.git
new file mode 100644
index 0000000000..d14dbd22f0
--- /dev/null
+++ b/usr/src/tools/findunref/exception_list.git
@@ -0,0 +1,39 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2009 Cyril Plisko.  All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# Git-specific exception list
+#
+# See README.exception_lists for details
+#
+
+#
+# Without nested repositories, this list could be empty, because ON
+# checks for unref relative to usr, and the git files are all in the
+# root of the repository.
+#
+
+*/.git
diff --git a/usr/src/tools/findunref/exception_list.unknown b/usr/src/tools/findunref/exception_list.unknown
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/usr/src/tools/findunref/exception_list.unknown
diff --git a/usr/src/tools/man/Makefile b/usr/src/tools/man/Makefile
new file mode 100644
index 0000000000..5f0e685323
--- /dev/null
+++ b/usr/src/tools/man/Makefile
@@ -0,0 +1,37 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015, Joyent, Inc.
+#
+
+include $(SRC)/cmd/man/Makefile.com
+include ../Makefile.tools
+
+include ../Makefile.targ
+
+all: $(PROG)
+
+$(PROG): $(OBJS)
+	$(LINK.c) $(OBJS) -o $@ $(LDLIBS)
+	$(POST_PROCESS)
+
+%.o: $(SRC)/cmd/man/%.c
+	$(COMPILE.c) $<
+
+$(ROOTONBLDMACHPROG): $(PROG)
+
+install: $(ROOTONBLDMACHPROG)
+
+clean:
+	$(RM) $(OBJS) $(LINTFILES)
+
+include $(SRC)/tools/Makefile.targ
diff --git a/usr/src/tools/onbld/Checks/Cddl.py b/usr/src/tools/onbld/Checks/Cddl.py
index 1f5f99f953..0f4d995e89 100644
--- a/usr/src/tools/onbld/Checks/Cddl.py
+++ b/usr/src/tools/onbld/Checks/Cddl.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!ON_PYTHON
 
 CDDL = '''
 CDDL HEADER START
diff --git a/usr/src/tools/onbld/Checks/CmtBlk.py b/usr/src/tools/onbld/Checks/CmtBlk.py
index 2f3d29fa79..ddf5caec48 100644
--- a/usr/src/tools/onbld/Checks/CmtBlk.py
+++ b/usr/src/tools/onbld/Checks/CmtBlk.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!ON_PYTHON
 
 #
 # CDDL HEADER START
diff --git a/usr/src/tools/onbld/Checks/Comments.py b/usr/src/tools/onbld/Checks/Comments.py
index daf6aa47d9..5d6feb265a 100644
--- a/usr/src/tools/onbld/Checks/Comments.py
+++ b/usr/src/tools/onbld/Checks/Comments.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!ON_PYTHON
 #
 # CDDL HEADER START
 #
@@ -38,7 +38,7 @@ import re, sys
 from onbld.Checks.DbLookups import BugDB
 
 
-bugre = re.compile(r'^(\d{2,7}) (.*)$')
+bugre = re.compile(r'^(\d{2,7}|[A-Z]{1,7}-\d{1,7}) (.*)$')
 
 
 def isBug(comment):
diff --git a/usr/src/tools/onbld/Checks/Copyright.py b/usr/src/tools/onbld/Checks/Copyright.py
index 81a80058aa..8071b7f435 100644
--- a/usr/src/tools/onbld/Checks/Copyright.py
+++ b/usr/src/tools/onbld/Checks/Copyright.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!ON_PYTHON
 #
 # CDDL HEADER START
 #
diff --git a/usr/src/tools/onbld/Checks/DbLookups.py b/usr/src/tools/onbld/Checks/DbLookups.py
index 11fd4185be..2843673035 100644
--- a/usr/src/tools/onbld/Checks/DbLookups.py
+++ b/usr/src/tools/onbld/Checks/DbLookups.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!ON_PYTHON
 #
 # CDDL HEADER START
 #
@@ -37,6 +37,7 @@ import htmllib
 import re
 import urllib
 import urllib2
+import json
 
 try:				# Python >= 2.5
 	from xml.etree import ElementTree
@@ -62,9 +63,9 @@ class BugDB(object):
 	print r["6505625"]["synopsis"]
 	"""
 
-	VALID_DBS = ["illumos"]
+	VALID_DBS = ["illumos", "smartos"]
 
-	def __init__(self, priority = ["illumos"]):
+	def __init__(self, priority = VALID_DBS):
 		"""Create a BugDB object.
 
 		Keyword argument:
@@ -75,6 +76,24 @@ class BugDB(object):
 				raise BugDBException, database
 		self.__priority = priority
 
+	def __smartosbug(self, cr):
+		url = "http://smartos.org/bugview/json/%s" % cr
+		req = urllib2.Request(url)
+
+		try:
+			data = urllib2.urlopen(req)
+		except urllib2.HTTPError, e:
+			if e.code == 404 or e.code == 403 or e.code == 400:
+				raise NonExistentBug(cr)
+			else:
+				raise
+
+		bug = json.load(data)
+
+		return {'cr_number': bug['id'],
+			'synopsis': bug['summary']
+		}
+
 
 	def __illbug(self, cr):
 		url = "http://illumos.org/issues/%s.xml" % cr
@@ -117,6 +136,12 @@ class BugDB(object):
 						results[str(cr)] = self.__illbug(cr)
 					except NonExistentBug:
 						continue
+			elif database == "smartos":
+				for cr in crs:
+					try:
+						results[str(cr)] = self.__smartosbug(cr)
+					except NonExistentBug:
+						continue
 
 			# the CR has already been found by one bug database
 			# so don't bother looking it up in the others
diff --git a/usr/src/tools/onbld/Checks/HdrChk.py b/usr/src/tools/onbld/Checks/HdrChk.py
index c2697dcaf2..8f7b946d12 100644
--- a/usr/src/tools/onbld/Checks/HdrChk.py
+++ b/usr/src/tools/onbld/Checks/HdrChk.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!ON_PYTHON
 #
 # CDDL HEADER START
 #
diff --git a/usr/src/tools/onbld/Checks/Keywords.py b/usr/src/tools/onbld/Checks/Keywords.py
index 5c374c3abb..ac3555be32 100644
--- a/usr/src/tools/onbld/Checks/Keywords.py
+++ b/usr/src/tools/onbld/Checks/Keywords.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!ON_PYTHON
 #
 # CDDL HEADER START
 #
@@ -24,8 +24,6 @@
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
-# ident	"%Z%%M%	%I%	%E% SMI"
-#
 
 #
 # Mercurial (lack of) keyword checks
diff --git a/usr/src/tools/onbld/Checks/Mapfile.py b/usr/src/tools/onbld/Checks/Mapfile.py
index 2a8cb74aed..d4fa70d141 100644
--- a/usr/src/tools/onbld/Checks/Mapfile.py
+++ b/usr/src/tools/onbld/Checks/Mapfile.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!ON_PYTHON
 #
 # CDDL HEADER START
 #
diff --git a/usr/src/tools/onbld/Checks/__init__.py b/usr/src/tools/onbld/Checks/__init__.py
index 7051b0c565..2fde833098 100644
--- a/usr/src/tools/onbld/Checks/__init__.py
+++ b/usr/src/tools/onbld/Checks/__init__.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!ON_PYTHON
 #
 # CDDL HEADER START
 #
diff --git a/usr/src/tools/onbld/Scm/__init__.py b/usr/src/tools/onbld/Scm/__init__.py
index f45ecbc95f..8934eb3942 100644
--- a/usr/src/tools/onbld/Scm/__init__.py
+++ b/usr/src/tools/onbld/Scm/__init__.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!ON_PYTHON
 #
 # CDDL HEADER START
 #
@@ -24,5 +24,3 @@
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
-# ident	"%Z%%M%	%I%	%E% SMI"
-#
diff --git a/usr/src/tools/onbld/hgext/__init__.py b/usr/src/tools/onbld/hgext/__init__.py
index f45ecbc95f..8934eb3942 100644
--- a/usr/src/tools/onbld/hgext/__init__.py
+++ b/usr/src/tools/onbld/hgext/__init__.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!ON_PYTHON
 #
 # CDDL HEADER START
 #
@@ -24,5 +24,3 @@
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
-# ident	"%Z%%M%	%I%	%E% SMI"
-#
diff --git a/usr/src/tools/scripts/cddlchk.py b/usr/src/tools/scripts/cddlchk.py
index 816d2f33a7..ad6a6e6f56 100644
--- a/usr/src/tools/scripts/cddlchk.py
+++ b/usr/src/tools/scripts/cddlchk.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2.6
+#!ON_PYTHON_26
 #
 # CDDL HEADER START
 #
diff --git a/usr/src/tools/scripts/copyrightchk.py b/usr/src/tools/scripts/copyrightchk.py
index 210ef1b46c..f778947bfc 100644
--- a/usr/src/tools/scripts/copyrightchk.py
+++ b/usr/src/tools/scripts/copyrightchk.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2.6
+#!ON_PYTHON_26
 #
 # CDDL HEADER START
 #
diff --git a/usr/src/tools/scripts/git-pbchk.py b/usr/src/tools/scripts/git-pbchk.py
index fd16e109b2..123b5fa088 100644
--- a/usr/src/tools/scripts/git-pbchk.py
+++ b/usr/src/tools/scripts/git-pbchk.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2.6
+#!ON_PYTHON_26
 #
 #  This program is free software; you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License version 2
diff --git a/usr/src/tools/scripts/hdrchk.py b/usr/src/tools/scripts/hdrchk.py
index 84acbc8616..aa62f7b090 100644
--- a/usr/src/tools/scripts/hdrchk.py
+++ b/usr/src/tools/scripts/hdrchk.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2.6
+#!ON_PYTHON_26
 #
 # CDDL HEADER START
 #
diff --git a/usr/src/tools/scripts/hg-active.py b/usr/src/tools/scripts/hg-active.py
index 88394e98e5..23f6c7cd98 100644
--- a/usr/src/tools/scripts/hg-active.py
+++ b/usr/src/tools/scripts/hg-active.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2.6
+#!ON_PYTHON_26
 #
 #  This program is free software; you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License version 2
diff --git a/usr/src/tools/scripts/mapfilechk.py b/usr/src/tools/scripts/mapfilechk.py
index 9cf2000c7a..ed90d8b426 100644
--- a/usr/src/tools/scripts/mapfilechk.py
+++ b/usr/src/tools/scripts/mapfilechk.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2.6
+#!ON_PYTHON_26
 #
 # CDDL HEADER START
 #
diff --git a/usr/src/tools/scripts/nightly.sh b/usr/src/tools/scripts/nightly.sh
index 353c24d3fe..adf7d70f91 100644
--- a/usr/src/tools/scripts/nightly.sh
+++ b/usr/src/tools/scripts/nightly.sh
@@ -25,6 +25,7 @@
 # Copyright 2008, 2010, Richard Lowe
 # Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
 # Copyright 2012 Joshua M. Clulow <josh@sysmgr.org>
+# Copyright 2013 (c) Joyent, Inc.  All rights reserved.
 #
 # Based on the nightly script from the integration folks,
 # Mostly modified and owned by mike_s.
@@ -966,37 +967,16 @@ elif [[ ! -x "$MAKE" ]]; then
 fi
 # get the dmake version string alone
 DMAKE_VERSION=$( $MAKE -v )
-DMAKE_VERSION=${DMAKE_VERSION#*: }
-# focus in on just the dotted version number alone
-DMAKE_MAJOR=$( echo $DMAKE_VERSION | \
-	sed -e 's/.*\<\([^.]*\.[^   ]*\).*$/\1/' )
-# extract the second (or final) integer
-DMAKE_MINOR=${DMAKE_MAJOR#*.}
-DMAKE_MINOR=${DMAKE_MINOR%%.*}
-# extract the first integer
-DMAKE_MAJOR=${DMAKE_MAJOR%%.*}
-CHECK_DMAKE=${CHECK_DMAKE:-y}
-# x86 was built on the 12th, sparc on the 13th.
-if [ "$CHECK_DMAKE" = "y" -a \
-     "$DMAKE_VERSION" != "Sun Distributed Make 7.3 2003/03/12" -a \
-     "$DMAKE_VERSION" != "Sun Distributed Make 7.3 2003/03/13" -a \( \
-     "$DMAKE_MAJOR" -lt 7 -o \
-     "$DMAKE_MAJOR" -eq 7 -a "$DMAKE_MINOR" -lt 4 \) ]; then
-	if [ -z "$DMAKE_VERSION" ]; then
-		echo "$MAKE is missing."
-		exit 1
-	fi
-	echo `whence $MAKE`" version is:"
-	echo "  ${DMAKE_VERSION}"
+# Admittedly not the best check, but better than the old one.
+if ! echo $DMAKE_VERSION | grep -q rm; then
 	cat <<EOF
-
-This version may not be safe for use, if you really want to use this version
-anyway add the following to your environment to disable this check:
-
-  CHECK_DMAKE=n
+The version of dmake you are using ($DMAKE_VERSION) is not the current open
+source version for building illumos. Please ensure that you are building
+illumos-joyent with the latest version of dmake in illumos-extra.
 EOF
 	exit 1
 fi
+
 export PATH
 export MAKE
 
diff --git a/usr/src/tools/scripts/validate_pkg.py b/usr/src/tools/scripts/validate_pkg.py
index 6678b211e8..155df9ba25 100644
--- a/usr/src/tools/scripts/validate_pkg.py
+++ b/usr/src/tools/scripts/validate_pkg.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2.6
+#!ON_PYTHON_26
 #
 # CDDL HEADER START
 #
diff --git a/usr/src/tools/scripts/webrev.sh b/usr/src/tools/scripts/webrev.sh
index 23289c13fe..8a122f7358 100644
--- a/usr/src/tools/scripts/webrev.sh
+++ b/usr/src/tools/scripts/webrev.sh
@@ -2840,7 +2840,12 @@ done
 #
 # Output directory.
 #
-WDIR=${WDIR:-$CWS/webrev}
+if [[ $SCM_MODE == "git" ]]; then
+	ws_top_dir=$(dirname $CWS)
+	WDIR=${WDIR:-$ws_top_dir/webrev}
+else
+	WDIR=${WDIR:-$CWS/webrev}
+fi
 
 #
 # Name of the webrev, derived from the workspace name or output directory;
@@ -3535,6 +3540,7 @@ do
 	fi
 
 	if [[ $SCM_MODE == "mercurial" ||
+	    $SCM_MODE == "git" ||
 	    $SCM_MODE == "unknown" ]]; then
 		# Include warnings for important file mode situations:
 		# 1) New executable files
diff --git a/usr/src/tools/scripts/wsdiff.py b/usr/src/tools/scripts/wsdiff.py
index 27458f43fc..4ae79e889f 100644
--- a/usr/src/tools/scripts/wsdiff.py
+++ b/usr/src/tools/scripts/wsdiff.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2.6
+#!ON_PYTHON_26
 #
 # CDDL HEADER START
 #
diff --git a/usr/src/ucbhead/Makefile b/usr/src/ucbhead/Makefile
new file mode 100644
index 0000000000..ef9fc7f2fe
--- /dev/null
+++ b/usr/src/ucbhead/Makefile
@@ -0,0 +1,68 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 1989-2003 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ucbhead/Makefile
+#
+# include global definitions
+include ../Makefile.master
+
+LN= ln
+
+HDRS= curses.h dbm.h setjmp.h sgtty.h signal.h stdio.h strings.h unistd.h
+
+SYSHDRS= \
+dir.h        fcntl.h      file.h       ioctl.h \
+param.h      resource.h   rusage.h     signal.h \
+sysmacros.h  ttychars.h   types.h      vfs.h \
+wait.h
+
+ROOTHDRS= $(HDRS:%=$(ROOT)/usr/ucbinclude/%)  \
+	$(SYSHDRS:%=$(ROOT)/usr/ucbinclude/sys/%)
+
+DIRS= sys
+ROOTDIRS= $(ROOT)/usr/ucbinclude $(DIRS:%=$(ROOT)/usr/ucbinclude/%)
+
+FCNTLH= $(ROOT)/usr/ucbinclude/fcntl.h
+SYSFCNTLH= $(ROOT)/usr/ucbinclude/sys/fcntl.h
+
+INS.FCNTLH=	$(RM) $@; $(SYMLINK) sys/fcntl.h $@
+
+# install rules
+$(ROOT)/usr/ucbinclude/sys/%: sys/%
+	$(INS.file)
+
+$(ROOT)/usr/ucbinclude/%: %
+	$(INS.file)
+
+.KEEP_STATE:
+
+install_h: $(ROOTDIRS) $(ROOTHDRS) $(FCNTLH)
+
+$(FCNTLH): $(SYSFCNTLH)
+	$(INS.FCNTLH)
+
+$(ROOTDIRS):
+	$(INS.dir)
+
diff --git a/usr/src/ucbhead/sys/fcntl.h b/usr/src/ucbhead/sys/fcntl.h
index 8567282301..d0ddfd9889 100644
--- a/usr/src/ucbhead/sys/fcntl.h
+++ b/usr/src/ucbhead/sys/fcntl.h
@@ -22,6 +22,7 @@
 /*
  * Copyright 1998 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -40,8 +41,6 @@
 #ifndef _SYS_FCNTL_H
 #define	_SYS_FCNTL_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #ifndef _SYS_TYPES_H
 #include <sys/types.h>
 #endif
@@ -79,6 +78,8 @@ extern "C" {
 #define	F_SETFL		4	/* Set file flags */
 #define	F_SETLK		6	/* Set file lock */
 #define	F_SETLKW	7	/* Set file lock and wait */
+#define	F_FLOCK		53	/* private - flock */
+#define	F_FLOCKW	54	/* private - flock wait */
 
 /*
  * Applications that read /dev/mem must be built like the kernel. A new
diff --git a/usr/src/ucbhead/sys/file.h b/usr/src/ucbhead/sys/file.h
index 10863380dd..152141fcd7 100644
--- a/usr/src/ucbhead/sys/file.h
+++ b/usr/src/ucbhead/sys/file.h
@@ -77,6 +77,10 @@ typedef struct file
 #include <sys/fcntl.h>
 #endif
 
+#if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
+int flock(int, int);
+#endif
+
 /* flags - see also fcntl.h */
 
 #ifndef FOPEN
diff --git a/usr/src/ucblib/libucb/port/sys/flock.c b/usr/src/ucblib/libucb/port/sys/flock.c
index ee473bf2f8..364d4f1f5f 100644
--- a/usr/src/ucblib/libucb/port/sys/flock.c
+++ b/usr/src/ucblib/libucb/port/sys/flock.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
  */
 
 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
@@ -33,9 +34,9 @@
 
 /*LINTLIBRARY*/
 
+#include <sys/fcntl.h>
 #include <sys/types.h>
 #include <sys/file.h>
-#include <sys/fcntl.h>
 #include <errno.h>
 
 int
@@ -51,12 +52,11 @@ flock(int fd, int operation)
 	fl.l_len = 0;
 	fl.l_type = 0;
 
-	/* In non-blocking lock, use F_SETLK for cmd, F_SETLKW otherwise */
 	if (operation & LOCK_NB) {
-		cmd = F_SETLK;
+		cmd = F_FLOCK;
 		operation &= ~LOCK_NB;	/* turn off this bit */
 	} else
-		cmd = F_SETLKW;
+		cmd = F_FLOCKW;
 
 	switch (operation) {
 	case LOCK_UN:
diff --git a/usr/src/uts/Makefile.targ b/usr/src/uts/Makefile.targ
index 034817dc31..5632074606 100644
--- a/usr/src/uts/Makefile.targ
+++ b/usr/src/uts/Makefile.targ
@@ -20,6 +20,7 @@
 #
 #
 # Copyright (c) 1991, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2015, Joyent, Inc.
 #
 #	This Makefiles contains the common targets and definitions for
 #	all kernels. It is to be included in the Makefiles for specific
@@ -205,6 +206,9 @@ $(ROOT_FONT_DIR)/%:	$(OBJS_DIR)/% $(ROOT_MOD_DIR) $(ROOT_FONT_DIR) FRC
 $(ROOT_MAC_DIR)/%:	$(OBJS_DIR)/% $(ROOT_MOD_DIR) $(ROOT_MAC_DIR) FRC
 	$(INS.file)
 
+$(ROOT_OVERLAY_DIR)/%:	$(OBJS_DIR)/% $(ROOT_MOD_DIR) $(ROOT_OVERLAY_DIR) FRC
+	$(INS.file)
+
 $(USR_DRV_DIR)/%:	$(OBJS_DIR)/% $(USR_DRV_DIR) FRC
 	$(INS.file)
 
diff --git a/usr/src/uts/Makefile.uts b/usr/src/uts/Makefile.uts
index 6a418b34e7..3ce261bc31 100644
--- a/usr/src/uts/Makefile.uts
+++ b/usr/src/uts/Makefile.uts
@@ -24,6 +24,7 @@
 # Copyright (c) 2011 Bayard G. Bell. All rights reserved.
 # Copyright (c) 2011 by Delphix. All rights reserved.
 # Copyright (c) 2013 Andrew Stormont.  All rights reserved.
+# Copyright 2015 Joyent, Inc.
 #
 
 #
@@ -213,6 +214,7 @@ AS_CPPFLAGS	= $(ALWAYS_DEFS) $(ALL_DEFS) $(CONFIG_DEFS) $(AS_DEFS) \
 
 # Override the default, the kernel is squeaky clean
 CERRWARN = -errtags=yes -errwarn=%all
+$(__GNUC4)CERRWARN += -_gcc=-Wno-address
 
 CERRWARN += -_gcc=-Wno-missing-braces
 CERRWARN += -_gcc=-Wno-sign-compare
@@ -412,6 +414,7 @@ ROOT_FONT_DIR_32	= $(ROOT_MOD_DIR)/fonts
 ROOT_DACF_DIR_32	= $(ROOT_MOD_DIR)/dacf
 ROOT_CRYPTO_DIR_32	= $(ROOT_MOD_DIR)/crypto
 ROOT_MAC_DIR_32		= $(ROOT_MOD_DIR)/mac
+ROOT_OVERLAY_DIR_32	= $(ROOT_MOD_DIR)/overlay
 ROOT_KICONV_DIR_32	= $(ROOT_MOD_DIR)/kiconv
 
 ROOT_KERN_DIR_64	= $(ROOT_MOD_DIR)/$(SUBDIR64)
@@ -439,6 +442,7 @@ ROOT_FONT_DIR_64	= $(ROOT_MOD_DIR)/fonts/$(SUBDIR64)
 ROOT_DACF_DIR_64	= $(ROOT_MOD_DIR)/dacf/$(SUBDIR64)
 ROOT_CRYPTO_DIR_64	= $(ROOT_MOD_DIR)/crypto/$(SUBDIR64)
 ROOT_MAC_DIR_64		= $(ROOT_MOD_DIR)/mac/$(SUBDIR64)
+ROOT_OVERLAY_DIR_64	= $(ROOT_MOD_DIR)/overlay/$(SUBDIR64)
 ROOT_KICONV_DIR_64	= $(ROOT_MOD_DIR)/kiconv/$(SUBDIR64)
 
 ROOT_KERN_DIR		= $(ROOT_KERN_DIR_$(CLASS))
@@ -466,6 +470,7 @@ ROOT_FONT_DIR		= $(ROOT_FONT_DIR_$(CLASS))
 ROOT_DACF_DIR		= $(ROOT_DACF_DIR_$(CLASS))
 ROOT_CRYPTO_DIR		= $(ROOT_CRYPTO_DIR_$(CLASS))
 ROOT_MAC_DIR		= $(ROOT_MAC_DIR_$(CLASS))
+ROOT_OVERLAY_DIR	= $(ROOT_OVERLAY_DIR_$(CLASS))
 ROOT_KICONV_DIR		= $(ROOT_KICONV_DIR_$(CLASS))
 
 ROOT_MOD_DIRS_32	= $(ROOT_BRAND_DIR_32) $(ROOT_DRV_DIR_32)
@@ -483,6 +488,7 @@ ROOT_MOD_DIRS_32        += $(ROOT_EMLXS_FW_DIR_32)
 ROOT_MOD_DIRS_32	+= $(ROOT_CPU_DIR_32) $(ROOT_FONT_DIR_32)
 ROOT_MOD_DIRS_32	+= $(ROOT_TOD_DIR_32) $(ROOT_DACF_DIR_32)
 ROOT_MOD_DIRS_32	+= $(ROOT_CRYPTO_DIR_32) $(ROOT_MAC_DIR_32)
+ROOT_MOD_DIRS_32	+= $(ROOT_OVERLAY_DIR_32)
 ROOT_MOD_DIRS_32	+= $(ROOT_KICONV_DIR_32)
 
 USR_MOD_DIR		= $(ROOT)/usr/kernel
@@ -575,7 +581,7 @@ PARALLEL_KMODS = $(DRV_KMODS) $(EXEC_KMODS) $(FS_KMODS) $(SCHED_KMODS) \
 		 $(MMU_KMODS) $(DACF_KMODS) $(EXPORT_KMODS) $(IPP_KMODS) \
 		 $(CRYPTO_KMODS) $(PCBE_KMODS) \
 		 $(DRV_KMODS_$(CLASS)) $(MISC_KMODS_$(CLASS)) $(MAC_KMODS) \
-		 $(BRAND_KMODS) $(KICONV_KMODS) \
+		 $(BRAND_KMODS) $(KICONV_KMODS) $(OVERLAY_KMODS) \
 		 $(SOCKET_KMODS)
 
 KMODS = $(GENUNIX_KMODS) $(PARALLEL_KMODS)
diff --git a/usr/src/uts/common/Makefile.files b/usr/src/uts/common/Makefile.files
index 0b6309a8a8..bd5501076c 100644
--- a/usr/src/uts/common/Makefile.files
+++ b/usr/src/uts/common/Makefile.files
@@ -24,6 +24,7 @@
 # Copyright (c) 2013 by Delphix. All rights reserved.
 # Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
 # Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
+# Copyright 2015, Joyent, Inc.
 #
 
 #
@@ -280,6 +281,7 @@ GENUNIX_OBJS +=	\
 		rctl.o		\
 		rctlsys.o	\
 		readlink.o	\
+		refhash.o	\
 		refstr.o	\
 		rename.o	\
 		resolvepath.o	\
@@ -427,6 +429,8 @@ PROFILE_OBJS += profile.o
 
 SYSTRACE_OBJS += systrace.o
 
+LX_SYSTRACE_OBJS += lx_systrace.o
+
 LOCKSTAT_OBJS += lockstat.o
 
 FASTTRAP_OBJS += fasttrap.o fasttrap_isa.o
@@ -491,6 +495,12 @@ PTSL_OBJS +=	tty_pts.o
 
 PTM_OBJS +=	ptm.o
 
+LX_PTM_OBJS +=	lx_ptm.o
+
+LX_AUDIO_OBJS += lx_audio.o
+
+LX_NETLINK_OBJS +=	lx_netlink.o
+
 MII_OBJS +=	mii.o mii_cicada.o mii_natsemi.o mii_intel.o mii_qualsemi.o \
 		mii_marvell.o mii_realtek.o mii_other.o
 
@@ -544,6 +554,7 @@ IP_SCTP_OBJS =	sctp.o sctp_opt_data.o sctp_output.o \
 		sctp_addr.o tn_ipopt.o tnet.o ip_netinfo.o \
 		sctp_misc.o
 IP_ILB_OBJS =	ilb.o ilb_nat.o ilb_conn.o ilb_alg_hash.o ilb_alg_rr.o
+IP_COMM_OBJS =	inet_hash.o
 
 IP_OBJS +=	igmp.o ipmp.o ip.o ip6.o ip6_asp.o ip6_if.o ip6_ire.o \
 		ip6_rts.o ip_if.o ip_ire.o ip_listutils.o ip_mroute.o \
@@ -559,7 +570,8 @@ IP_OBJS +=	igmp.o ipmp.o ip.o ip6.o ip6_asp.o ip6_if.o ip6_ire.o \
 		$(IP_TCP_OBJS) \
 		$(IP_UDP_OBJS) \
 		$(IP_SCTP_OBJS) \
-		$(IP_ILB_OBJS)
+		$(IP_ILB_OBJS) \
+		$(IP_COMM_OBJS)
 
 IP6_OBJS +=	ip6ddi.o
 
@@ -577,6 +589,8 @@ IPSECESP_OBJS += ipsecespddi.o ipsecesp.o
 
 IPSECAH_OBJS +=	ipsecahddi.o ipsecah.o sadb.o
 
+DATAFILT_OBJS += datafilt.o
+
 SPPP_OBJS +=	sppp.o sppp_dlpi.o sppp_mod.o s_common.o
 
 SPPPTUN_OBJS +=	sppptun.o sppptun_mod.o
@@ -674,6 +688,15 @@ NET80211_OBJS += net80211.o net80211_proto.o net80211_input.o \
 
 VNIC_OBJS +=	vnic_ctl.o vnic_dev.o
 
+OVERLAY_OBJS +=	overlay.o overlay_fm.o overlay_mux.o overlay_plugin.o \
+		overlay_prop.o overlay_target.o
+
+OVERLAY_VXLAN_OBJS +=	overlay_vxlan.o
+
+VND_OBJS +=	vnd.o frameio.o
+
+GSQUEUE_OBJS +=	gsqueue.o
+
 SIMNET_OBJS +=	simnet.o
 
 IB_OBJS +=	ibnex.o ibnex_ioctl.o ibnex_hca.o
@@ -986,8 +1009,12 @@ DEVPOLL_OBJS += devpoll.o
 
 DEVPOOL_OBJS += devpool.o
 
+EVENTFD_OBJS +=	eventfd.o
+
 I8042_OBJS +=	i8042.o
 
+INOTIFY_OBJS +=	inotify.o
+
 KB8042_OBJS +=	\
 		at_keyprocess.o	\
 		kb8042.o	\
@@ -1025,6 +1052,8 @@ GEN_DRV_OBJS += gen_drv.o
 
 TCLIENT_OBJS +=	tclient.o
 
+TIMERFD_OBJS +=	timerfd.o
+
 TPHCI_OBJS += tphci.o
 
 TVHCI_OBJS += tvhci.o
@@ -1060,6 +1089,8 @@ QLGE_OBJS += qlge.o qlge_dbg.o qlge_flash.o qlge_fm.o qlge_gld.o qlge_mpi.o
 
 ZCONS_OBJS += zcons.o
 
+ZFD_OBJS += zfd.o
+
 NV_SATA_OBJS += nv_sata.o
 
 SI3124_OBJS += si3124.o
@@ -1122,8 +1153,7 @@ DEVFS_OBJS +=	devfs_subr.o	devfs_vfsops.o	devfs_vnops.o
 DEV_OBJS  +=	sdev_subr.o	sdev_vfsops.o	sdev_vnops.o	\
 		sdev_ptsops.o	sdev_zvolops.o	sdev_comm.o	\
 		sdev_profile.o	sdev_ncache.o	sdev_netops.o	\
-		sdev_ipnetops.o	\
-		sdev_vtops.o
+		sdev_ipnetops.o	sdev_vtops.o	sdev_plugin.o
 
 CTFS_OBJS +=	ctfs_all.o ctfs_cdir.o ctfs_ctl.o ctfs_event.o \
 		ctfs_latest.o ctfs_root.o ctfs_sym.o ctfs_tdir.o ctfs_tmpl.o
@@ -1140,8 +1170,13 @@ PIPE_OBJS +=	pipe.o
 HSFS_OBJS +=	hsfs_node.o	hsfs_subr.o	hsfs_vfsops.o	hsfs_vnops.o \
 		hsfs_susp.o	hsfs_rrip.o	hsfs_susp_subr.o
 
+HYPRLOFS_OBJS += hyprlofs_dir.o hyprlofs_subr.o \
+		hyprlofs_vnops.o hyprlofs_vfsops.o
+
 LOFS_OBJS +=	lofs_subr.o	lofs_vfsops.o	lofs_vnops.o
 
+LXPROC_OBJS +=	lxpr_subr.o	lxpr_vfsops.o	lxpr_vnops.o
+
 NAMEFS_OBJS +=	namevfs.o	namevno.o
 
 NFS_OBJS +=	nfs_client.o	nfs_common.o	nfs_dump.o \
@@ -1250,8 +1285,8 @@ SMBSRV_OBJS +=	$(SMBSRV_SHARED_OBJS)			\
 PCFS_OBJS +=	pc_alloc.o	pc_dir.o	pc_node.o	pc_subr.o \
 		pc_vfsops.o	pc_vnops.o
 
-PROC_OBJS +=	prcontrol.o	prioctl.o	prsubr.o	prusrio.o \
-		prvfsops.o	prvnops.o
+PROC_OBJS +=	prargv.o	prcontrol.o	prioctl.o	prsubr.o \
+		prusrio.o	prvfsops.o	prvnops.o
 
 MNTFS_OBJS +=	mntvfsops.o	mntvnops.o
 
@@ -1295,6 +1330,7 @@ SMBFS_OBJS +=	smbfs_vfsops.o	smbfs_vnops.o	smbfs_node.o	\
 		smbfs_rwlock.o	smbfs_xattr.o	\
 		$(SMBFS_COMMON_OBJS)
 
+BOOTFS_OBJS +=	bootfs_construct.o bootfs_vfsops.o bootfs_vnops.o
 
 #
 #			LVM modules
@@ -1389,6 +1425,7 @@ ZFS_COMMON_OBJS +=		\
 	zfs_fuid.o		\
 	zfs_sa.o		\
 	zfs_znode.o		\
+	zfs_zone.o		\
 	zil.o			\
 	zio.o			\
 	zio_checksum.o		\
@@ -1835,7 +1872,7 @@ ZYD_OBJS += zyd.o zyd_usb.o zyd_hw.o zyd_fw.o
 
 MXFE_OBJS += mxfe.o
 
-MPTSAS_OBJS += mptsas.o mptsas_hash.o mptsas_impl.o mptsas_init.o \
+MPTSAS_OBJS += mptsas.o mptsas_impl.o mptsas_init.o \
 		mptsas_raid.o mptsas_smhba.o
 
 SFE_OBJS += sfe.o sfe_util.o
@@ -2028,6 +2065,11 @@ MEGA_SAS_OBJS = megaraid_sas.o
 MR_SAS_OBJS = ld_pd_map.o mr_sas.o mr_sas_tbolt.o mr_sas_list.o
 
 #
+#	DR_SAS module
+#
+DR_SAS_OBJS = dr_sas.o
+
+#
 #	CPQARY3 module
 #
 CPQARY3_OBJS =	cpqary3.o cpqary3_noe.o cpqary3_talk2ctlr.o	\
@@ -2066,6 +2108,20 @@ NULLDRIVER_OBJS =	nulldriver.o
 TPM_OBJS =	tpm.o tpm_hcall.o
 
 #
+# USB Fast ethernet drivers
+#
+USBGEM_OBJS = usbgem.o
+AXF_OBJS = axf_usbgem.o
+UDMF_OBJS = udmf_usbgem.o
+URF_OBJS = urf_usbgem.o
+UPF_OBJS = upf_usbgem.o
+
+#
+#	NFP objects
+#
+NFP_OBJS = hostif.o osif.o drvlist.o i21555.o i21285.o i21555d.o
+
+#
 #	BNXE objects
 #
 BNXE_OBJS +=	bnxe_cfg.o		\
diff --git a/usr/src/uts/common/Makefile.rules b/usr/src/uts/common/Makefile.rules
index c5e728fdff..e452aeb830 100644
--- a/usr/src/uts/common/Makefile.rules
+++ b/usr/src/uts/common/Makefile.rules
@@ -23,6 +23,7 @@
 # Copyright (c) 1991, 2010, Oracle and/or its affiliates. All rights reserved.
 # Copyright 2013 Garrett D'Amore <garrett@damore.org>
 # Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
+# Copyright 2015 Joyent, Inc.
 #
 
 #
@@ -95,6 +96,10 @@ $(OBJS_DIR)/%.o:		$(COMMONBASE)/avl/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+$(OBJS_DIR)/%.o:		$(COMMONBASE)/inet/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
 $(OBJS_DIR)/%.o:		$(COMMONBASE)/ucode/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
@@ -103,6 +108,10 @@ $(OBJS_DIR)/%.o:		$(UTSBASE)/common/brand/sn1/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/brand/sngl/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
 $(OBJS_DIR)/%.o:		$(UTSBASE)/common/brand/solaris10/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
@@ -207,6 +216,10 @@ $(OBJS_DIR)/%.o:		$(UTSBASE)/common/fs/autofs/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/fs/bootfs/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
 $(OBJS_DIR)/%.o:		$(UTSBASE)/common/fs/cachefs/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
@@ -243,10 +256,18 @@ $(OBJS_DIR)/%.o:		$(UTSBASE)/common/fs/hsfs/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/fs/hyprlofs/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
 $(OBJS_DIR)/%.o:		$(UTSBASE)/common/fs/lofs/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/fs/lxproc/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
 $(OBJS_DIR)/%.o:		$(UTSBASE)/common/fs/mntfs/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
@@ -758,6 +779,10 @@ $(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/drm/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/dr_sas/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
 $(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/efe/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
@@ -986,6 +1011,10 @@ $(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/net80211/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/nfp/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
 $(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/nge/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
@@ -1001,6 +1030,14 @@ $(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/nxge/npi/%.c
 $(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/nxge/%.s
 	$(COMPILE.s) -o $@ $<
 
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/overlay/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/overlay/plugins/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
 $(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/pci-ide/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
@@ -1137,6 +1174,10 @@ $(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/sdcard/targets/sdcard/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/gsqueue/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
 $(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/sfe/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
@@ -1149,6 +1190,10 @@ $(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/softmac/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/vnd/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
 $(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/uath/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
@@ -1273,6 +1318,30 @@ $(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/usb/usba10/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/usbgem/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/axf/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/udf/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/udmf/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/upf/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/urf/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
 $(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/vuidmice/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
@@ -1445,6 +1514,10 @@ $(OBJS_DIR)/%.o:		$(UTSBASE)/common/io/vioblk/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+$(OBJS_DIR)/%.o:		$(COMMONBASE)/idspace/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
 #
 # krtld must refer to its own bzero/bcopy until the kernel is fully linked
 #
@@ -1513,6 +1586,10 @@ $(OBJS_DIR)/%.o:		$(UTSBASE)/common/pcmcia/pcs/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/refhash/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
 $(OBJS_DIR)/%.o:		$(UTSBASE)/common/rpc/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
@@ -1628,12 +1705,18 @@ $(LINTS_DIR)/%.ln:		$(COMMONBASE)/acl/%.c
 $(LINTS_DIR)/%.ln:		$(COMMONBASE)/avl/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
+$(LINTS_DIR)/%.ln:		$(COMMONBASE)/inet/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
 $(LINTS_DIR)/%.ln:		$(COMMONBASE)/ucode/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/brand/sn1/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/brand/sngl/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/brand/solaris10/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
@@ -1736,6 +1819,9 @@ $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/fs/%.c
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/fs/autofs/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/fs/bootfs/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/fs/cachefs/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
@@ -1763,9 +1849,15 @@ $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/fs/fifofs/%.c
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/fs/hsfs/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/fs/hyprlofs/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/fs/lofs/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/fs/lxproc/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/fs/mntfs/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
@@ -2111,6 +2203,9 @@ $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/dmfe/%.c
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/drm/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/dr_sas/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/efe/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
@@ -2282,6 +2377,9 @@ $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/mwl/mwl_fw/%.c
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/net80211/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/nfp/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
 $(LINTS_DIR)/%.ln:              $(UTSBASE)/common/io/nge/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
@@ -2294,6 +2392,12 @@ $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/nxge/%.s
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/nxge/npi/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/overlay/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/overlay/plugins/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/pci-ide/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
@@ -2501,6 +2605,21 @@ $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/usb/usba/%.c
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/usb/usba10/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/usbgem/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/axf/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/udmf/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/upf/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/urf/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/vuidmice/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
@@ -2648,6 +2767,9 @@ $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/pcmcia/nexus/%.c
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/pcmcia/pcs/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/refhash/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/rpc/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
@@ -2726,3 +2848,6 @@ $(LINTS_DIR)/%.ln:		$(UTSBASE)/common/io/skd/%.c
 
 $(LINTS_DIR)/%.ln:		$(COMMONBASE)/fsreparse/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
+$(LINTS_DIR)/%.ln:		$(COMMONBASE)/idspace/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
diff --git a/usr/src/uts/common/brand/lx/autofs/lx_autofs.c b/usr/src/uts/common/brand/lx/autofs/lx_autofs.c
new file mode 100644
index 0000000000..d2bb03c118
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/autofs/lx_autofs.c
@@ -0,0 +1,1569 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <fs/fs_subr.h>
+#include <sys/atomic.h>
+#include <sys/cmn_err.h>
+#include <sys/dirent.h>
+#include <sys/fs/fifonode.h>
+#include <sys/modctl.h>
+#include <sys/mount.h>
+#include <sys/policy.h>
+#include <sys/sunddi.h>
+
+#include <sys/sysmacros.h>
+#include <sys/vfs.h>
+#include <sys/vfs_opreg.h>
+
+#include <sys/lx_autofs_impl.h>
+
+/*
+ * External functions
+ */
+extern uintptr_t		space_fetch(char *key);
+extern int			space_store(char *key, uintptr_t ptr);
+
+/*
+ * Globals
+ */
+static vfsops_t			*lx_autofs_vfsops;
+static vnodeops_t		*lx_autofs_vn_ops = NULL;
+static int			lx_autofs_fstype;
+static major_t			lx_autofs_major;
+static minor_t			lx_autofs_minor = 0;
+
+/*
+ * Support functions
+ */
+static void
+i_strfree(char *str)
+{
+	kmem_free(str, strlen(str) + 1);
+}
+
+static char *
+i_strdup(char *str)
+{
+	int	n = strlen(str);
+	char	*ptr = kmem_alloc(n + 1, KM_SLEEP);
+	bcopy(str, ptr, n + 1);
+	return (ptr);
+}
+
+static int
+i_str_to_int(char *str, int *val)
+{
+	long	res;
+
+	if (str == NULL)
+		return (-1);
+
+	if ((ddi_strtol(str, NULL, 10, &res) != 0) ||
+	    (res < INT_MIN) || (res > INT_MAX))
+		return (-1);
+
+	*val = res;
+	return (0);
+}
+
+static void
+i_stack_init(list_t *lp)
+{
+	list_create(lp,
+	    sizeof (stack_elem_t), offsetof(stack_elem_t, se_list));
+}
+
+static void
+i_stack_fini(list_t *lp)
+{
+	ASSERT(list_head(lp) == NULL);
+	list_destroy(lp);
+}
+
+static void
+i_stack_push(list_t *lp, caddr_t ptr1, caddr_t ptr2, caddr_t ptr3)
+{
+	stack_elem_t	*se;
+
+	se = kmem_alloc(sizeof (*se), KM_SLEEP);
+	se->se_ptr1 = ptr1;
+	se->se_ptr2 = ptr2;
+	se->se_ptr3 = ptr3;
+	list_insert_head(lp, se);
+}
+
+static int
+i_stack_pop(list_t *lp, caddr_t *ptr1, caddr_t *ptr2, caddr_t *ptr3)
+{
+	stack_elem_t	*se;
+
+	if ((se = list_head(lp)) == NULL)
+		return (-1);
+	list_remove(lp, se);
+	if (ptr1 != NULL)
+		*ptr1 = se->se_ptr1;
+	if (ptr2 != NULL)
+		*ptr2 = se->se_ptr2;
+	if (ptr3 != NULL)
+		*ptr3 = se->se_ptr3;
+	kmem_free(se, sizeof (*se));
+	return (0);
+}
+
+static vnode_t *
+fifo_peer_vp(vnode_t *vp)
+{
+	fifonode_t *fnp = VTOF(vp);
+	fifonode_t *fn_dest = fnp->fn_dest;
+	return (FTOV(fn_dest));
+}
+
+static vnode_t *
+i_vn_alloc(vfs_t *vfsp, vnode_t *uvp)
+{
+	lx_autofs_vfs_t	*data = vfsp->vfs_data;
+	vnode_t		*vp, *vp_old;
+
+	/* Allocate a new vnode structure in case we need it. */
+	vp = vn_alloc(KM_SLEEP);
+	vn_setops(vp, lx_autofs_vn_ops);
+	VN_SET_VFS_TYPE_DEV(vp, vfsp, uvp->v_type, uvp->v_rdev);
+	vp->v_data = uvp;
+	ASSERT(vp->v_count == 1);
+
+	/*
+	 * Take a hold on the vfs structure.  This is how unmount will
+	 * determine if there are any active vnodes in the file system.
+	 */
+	VFS_HOLD(vfsp);
+
+	/*
+	 * Check if we already have a vnode allocated for this underlying
+	 * vnode_t.
+	 */
+	mutex_enter(&data->lav_lock);
+	if (mod_hash_find(data->lav_vn_hash,
+	    (mod_hash_key_t)uvp, (mod_hash_val_t *)&vp_old) != 0) {
+
+		/*
+		 * Didn't find an existing node.
+		 * Add this node to the hash and return.
+		 */
+		VERIFY(mod_hash_insert(data->lav_vn_hash,
+		    (mod_hash_key_t)uvp,
+		    (mod_hash_val_t)vp) == 0);
+		mutex_exit(&data->lav_lock);
+		return (vp);
+	}
+
+	/* Get a hold on the existing vnode and free up the one we allocated. */
+	VN_HOLD(vp_old);
+	mutex_exit(&data->lav_lock);
+
+	/* Free up the new vnode we allocated. */
+	VN_RELE(uvp);
+	VFS_RELE(vfsp);
+	vn_invalid(vp);
+	vn_free(vp);
+
+	return (vp_old);
+}
+
+static void
+i_vn_free(vnode_t *vp)
+{
+	vfs_t		*vfsp = vp->v_vfsp;
+	lx_autofs_vfs_t	*data = vfsp->vfs_data;
+	vnode_t		*uvp = vp->v_data;
+	vnode_t	*vp_tmp;
+
+	ASSERT(MUTEX_HELD((&data->lav_lock)));
+	ASSERT(MUTEX_HELD((&vp->v_lock)));
+
+	ASSERT(vp->v_count == 0);
+
+	/* We're about to free this vnode so take it out of the hash. */
+	(void) mod_hash_remove(data->lav_vn_hash,
+	    (mod_hash_key_t)uvp, (mod_hash_val_t)&vp_tmp);
+
+	/*
+	 * No one else can lookup this vnode any more so there's no need
+	 * to hold locks.
+	 */
+	mutex_exit(&data->lav_lock);
+	mutex_exit(&vp->v_lock);
+
+	/* Release the underlying vnode. */
+	VN_RELE(uvp);
+	VFS_RELE(vfsp);
+	vn_invalid(vp);
+	vn_free(vp);
+}
+
+static lx_autofs_lookup_req_t *
+i_lalr_alloc(lx_autofs_vfs_t *data, int *dup_request, char *nm)
+{
+	lx_autofs_lookup_req_t	*lalr, *lalr_dup;
+
+	/* Pre-allocate a new automounter request before grabbing locks. */
+	lalr = kmem_zalloc(sizeof (*lalr), KM_SLEEP);
+	mutex_init(&lalr->lalr_lock, NULL, MUTEX_DEFAULT, NULL);
+	cv_init(&lalr->lalr_cv, NULL, CV_DEFAULT, NULL);
+	lalr->lalr_ref = 1;
+	lalr->lalr_pkt.lap_protover = LX_AUTOFS_PROTO_VERSION;
+
+	/* Assign a unique id for this request. */
+	lalr->lalr_pkt.lap_id = id_alloc(data->lav_ids);
+
+	/*
+	 * The token expected by the linux automount is the name of
+	 * the directory entry to look up.  (And not the entire
+	 * path that is being accessed.)
+	 */
+	lalr->lalr_pkt.lap_name_len = strlen(nm);
+	if (lalr->lalr_pkt.lap_name_len >
+	    (sizeof (lalr->lalr_pkt.lap_name) - 1)) {
+		zcmn_err(getzoneid(), CE_NOTE,
+		    "invalid autofs lookup: \"%s\"", nm);
+		id_free(data->lav_ids, lalr->lalr_pkt.lap_id);
+		kmem_free(lalr, sizeof (*lalr));
+		return (NULL);
+	}
+	(void) strlcpy(lalr->lalr_pkt.lap_name, nm,
+	    sizeof (lalr->lalr_pkt.lap_name));
+
+	/* Check for an outstanding request for this path. */
+	mutex_enter(&data->lav_lock);
+	if (mod_hash_find(data->lav_path_hash,
+	    (mod_hash_key_t)nm, (mod_hash_val_t *)&lalr_dup) == 0) {
+		/*
+		 * There's already an outstanding request for this
+		 * path so we don't need a new one.
+		 */
+		id_free(data->lav_ids, lalr->lalr_pkt.lap_id);
+		kmem_free(lalr, sizeof (*lalr));
+		lalr = lalr_dup;
+
+		/* Bump the ref count on the old request. */
+		atomic_add_int(&lalr->lalr_ref, 1);
+
+		*dup_request = 1;
+	} else {
+		/* Add it to the hashes. */
+		VERIFY(mod_hash_insert(data->lav_id_hash,
+		    (mod_hash_key_t)(uintptr_t)lalr->lalr_pkt.lap_id,
+		    (mod_hash_val_t)lalr) == 0);
+		VERIFY(mod_hash_insert(data->lav_path_hash,
+		    (mod_hash_key_t)i_strdup(nm),
+		    (mod_hash_val_t)lalr) == 0);
+
+		*dup_request = 0;
+	}
+	mutex_exit(&data->lav_lock);
+
+	return (lalr);
+}
+
+static lx_autofs_lookup_req_t *
+i_lalr_find(lx_autofs_vfs_t *data, int id)
+{
+	lx_autofs_lookup_req_t	*lalr;
+
+	/* Check for an outstanding request for this id. */
+	mutex_enter(&data->lav_lock);
+	if (mod_hash_find(data->lav_id_hash, (mod_hash_key_t)(uintptr_t)id,
+	    (mod_hash_val_t *)&lalr) != 0) {
+		mutex_exit(&data->lav_lock);
+		return (NULL);
+	}
+	atomic_add_int(&lalr->lalr_ref, 1);
+	mutex_exit(&data->lav_lock);
+	return (lalr);
+}
+
+static void
+i_lalr_complete(lx_autofs_vfs_t *data, lx_autofs_lookup_req_t *lalr)
+{
+	lx_autofs_lookup_req_t	*lalr_tmp;
+
+	/* Remove this request from the hashes so no one can look it up. */
+	mutex_enter(&data->lav_lock);
+	(void) mod_hash_remove(data->lav_id_hash,
+		    (mod_hash_key_t)(uintptr_t)lalr->lalr_pkt.lap_id,
+		    (mod_hash_val_t)&lalr_tmp);
+	(void) mod_hash_remove(data->lav_path_hash,
+		    (mod_hash_key_t)lalr->lalr_pkt.lap_name,
+		    (mod_hash_val_t)&lalr_tmp);
+	mutex_exit(&data->lav_lock);
+
+	/* Mark this requst as complete and wakeup anyone waiting on it. */
+	mutex_enter(&lalr->lalr_lock);
+	lalr->lalr_complete = 1;
+	cv_broadcast(&lalr->lalr_cv);
+	mutex_exit(&lalr->lalr_lock);
+}
+
+static void
+i_lalr_release(lx_autofs_vfs_t *data, lx_autofs_lookup_req_t *lalr)
+{
+	ASSERT(!MUTEX_HELD(&lalr->lalr_lock));
+	if (atomic_add_int_nv(&lalr->lalr_ref, -1) > 0)
+		return;
+	ASSERT(lalr->lalr_ref == 0);
+	id_free(data->lav_ids, lalr->lalr_pkt.lap_id);
+	kmem_free(lalr, sizeof (*lalr));
+}
+
+static void
+i_lalr_abort(lx_autofs_vfs_t *data, lx_autofs_lookup_req_t *lalr)
+{
+	lx_autofs_lookup_req_t	*lalr_tmp;
+
+	/*
+	 * This is a little tricky.  We're aborting the wait for this
+	 * request.  So if anyone else is waiting for this request we
+	 * can't free it, but if no one else is waiting for the request
+	 * we should free it.
+	 */
+	mutex_enter(&data->lav_lock);
+	if (atomic_add_int_nv(&lalr->lalr_ref, -1) > 0) {
+		mutex_exit(&data->lav_lock);
+		return;
+	}
+	ASSERT(lalr->lalr_ref == 0);
+
+	/* Remove this request from the hashes so no one can look it up. */
+	(void) mod_hash_remove(data->lav_id_hash,
+		    (mod_hash_key_t)(uintptr_t)lalr->lalr_pkt.lap_id,
+		    (mod_hash_val_t)&lalr_tmp);
+	(void) mod_hash_remove(data->lav_path_hash,
+		    (mod_hash_key_t)lalr->lalr_pkt.lap_name,
+		    (mod_hash_val_t)&lalr_tmp);
+	mutex_exit(&data->lav_lock);
+
+	/* It's ok to free this now because the ref count was zero. */
+	id_free(data->lav_ids, lalr->lalr_pkt.lap_id);
+	kmem_free(lalr, sizeof (*lalr));
+}
+
+static int
+i_fifo_lookup(pid_t pgrp, int fd, file_t **fpp_wr, file_t **fpp_rd)
+{
+	proc_t		*prp;
+	uf_info_t	*fip;
+	uf_entry_t	*ufp_wr, *ufp_rd = NULL;
+	file_t		*fp_wr, *fp_rd = NULL;
+	vnode_t		*vp_wr, *vp_rd;
+	int		i;
+
+	/*
+	 * sprlock() is zone aware, so assuming this mount call was
+	 * initiated by a process in a zone, if it tries to specify
+	 * a pgrp outside of it's zone this call will fail.
+	 *
+	 * Also, we want to grab hold of the main automounter process
+	 * and its going to be the group leader for pgrp, so its
+	 * pid will be equal to pgrp.
+	 */
+	prp = sprlock(pgrp);
+	if (prp == NULL)
+		return (-1);
+	mutex_exit(&prp->p_lock);
+
+	/* Now we want to access the processes open file descriptors. */
+	fip = P_FINFO(prp);
+	mutex_enter(&fip->fi_lock);
+
+	/* Sanity check fifo write fd. */
+	if (fd >= fip->fi_nfiles) {
+		mutex_exit(&fip->fi_lock);
+		mutex_enter(&prp->p_lock);
+		sprunlock(prp);
+		return (-1);
+	}
+
+	/* Get a pointer to the write fifo. */
+	UF_ENTER(ufp_wr, fip, fd);
+	if (((fp_wr = ufp_wr->uf_file) == NULL) ||
+	    ((vp_wr = fp_wr->f_vnode) == NULL) || (vp_wr->v_type != VFIFO)) {
+		/* Invalid fifo fd. */
+		UF_EXIT(ufp_wr);
+		mutex_exit(&fip->fi_lock);
+		mutex_enter(&prp->p_lock);
+		sprunlock(prp);
+		return (-1);
+	}
+
+	/*
+	 * Now we need to find the read end of the fifo (for reasons
+	 * explained below.)  We assume that the read end of the fifo
+	 * is in the same process as the write end.
+	 */
+	vp_rd = fifo_peer_vp(fp_wr->f_vnode);
+	for (i = 0; i < fip->fi_nfiles; i++) {
+		UF_ENTER(ufp_rd, fip, i);
+		if (((fp_rd = ufp_rd->uf_file) != NULL) &&
+		    (fp_rd->f_vnode == vp_rd))
+			break;
+		UF_EXIT(ufp_rd);
+	}
+	if (i == fip->fi_nfiles) {
+		/* Didn't find it. */
+		UF_EXIT(ufp_wr);
+		mutex_exit(&fip->fi_lock);
+		mutex_enter(&prp->p_lock);
+		sprunlock(prp);
+		return (-1);
+	}
+
+	/*
+	 * We need to drop fi_lock before we can try to acquire f_tlock
+	 * the good news is that the file pointers are protected because
+	 * we're still holding uf_lock.
+	 */
+	mutex_exit(&fip->fi_lock);
+
+	/*
+	 * Here we bump the open counts on the fifos.  The reason
+	 * that we do this is because when we go to write to the
+	 * fifo we want to ensure that they are actually open (and
+	 * not in the process of being closed) without having to
+	 * stop the automounter.  (If the write end of the fifo
+	 * were closed and we tried to write to it we would panic.
+	 * If the read end of the fifo was closed and we tried to
+	 * write to the other end, the process that invoked the
+	 * lookup operation would get an unexpected SIGPIPE.)
+	 */
+	mutex_enter(&fp_wr->f_tlock);
+	fp_wr->f_count++;
+	ASSERT(fp_wr->f_count >= 2);
+	mutex_exit(&fp_wr->f_tlock);
+
+	mutex_enter(&fp_rd->f_tlock);
+	fp_rd->f_count++;
+	ASSERT(fp_rd->f_count >= 2);
+	mutex_exit(&fp_rd->f_tlock);
+
+	/* Release all our locks. */
+	UF_EXIT(ufp_wr);
+	UF_EXIT(ufp_rd);
+	mutex_enter(&prp->p_lock);
+	sprunlock(prp);
+
+	/* Return the file pointers. */
+	*fpp_rd = fp_rd;
+	*fpp_wr = fp_wr;
+	return (0);
+}
+
+static uint_t
+/*ARGSUSED*/
+i_fifo_close_cb(mod_hash_key_t key, mod_hash_val_t *val, void *arg)
+{
+	int	*id = (int *)arg;
+	/* Return the key and terminate the walk. */
+	*id = (uintptr_t)key;
+	return (MH_WALK_TERMINATE);
+}
+
+static void
+i_fifo_close(lx_autofs_vfs_t *data)
+{
+	/*
+	 * Close the fifo to prevent any future requests from
+	 * getting sent to the automounter.
+	 */
+	mutex_enter(&data->lav_lock);
+	if (data->lav_fifo_wr != NULL) {
+		(void) closef(data->lav_fifo_wr);
+		data->lav_fifo_wr = NULL;
+	}
+	if (data->lav_fifo_rd != NULL) {
+		(void) closef(data->lav_fifo_rd);
+		data->lav_fifo_rd = NULL;
+	}
+	mutex_exit(&data->lav_lock);
+
+	/*
+	 * Wakeup any threads currently waiting for the automounter
+	 * note that it's possible for multiple threads to have entered
+	 * this function and to be doing the work below simultaneously.
+	 */
+	for (;;) {
+		lx_autofs_lookup_req_t	*lalr;
+		int			id;
+
+		/* Lookup the first entry in the hash. */
+		id = -1;
+		mod_hash_walk(data->lav_id_hash,
+		    i_fifo_close_cb, &id);
+		if (id == -1) {
+			/* No more id's in the hash. */
+			break;
+		}
+		if ((lalr = i_lalr_find(data, id)) == NULL) {
+			/* Someone else beat us to it. */
+			continue;
+		}
+
+		/* Mark the request as compleate and release it. */
+		i_lalr_complete(data, lalr);
+		i_lalr_release(data, lalr);
+	}
+}
+
+static int
+i_fifo_verify_rd(lx_autofs_vfs_t *data)
+{
+	proc_t		*prp;
+	uf_info_t	*fip;
+	uf_entry_t	*ufp_rd = NULL;
+	file_t		*fp_rd =  NULL;
+	vnode_t		*vp_rd;
+	int		i;
+
+	ASSERT(MUTEX_HELD((&data->lav_lock)));
+
+	/* Check if we've already been shut down. */
+	if (data->lav_fifo_wr == NULL) {
+		ASSERT(data->lav_fifo_rd == NULL);
+		return (-1);
+	}
+	vp_rd = fifo_peer_vp(data->lav_fifo_wr->f_vnode);
+
+	/*
+	 * sprlock() is zone aware, so assuming this mount call was
+	 * initiated by a process in a zone, if it tries to specify
+	 * a pgrp outside of it's zone this call will fail.
+	 *
+	 * Also, we want to grab hold of the main automounter process
+	 * and its going to be the group leader for pgrp, so its
+	 * pid will be equal to pgrp.
+	 */
+	prp = sprlock(data->lav_pgrp);
+	if (prp == NULL)
+		return (-1);
+	mutex_exit(&prp->p_lock);
+
+	/* Now we want to access the processes open file descriptors. */
+	fip = P_FINFO(prp);
+	mutex_enter(&fip->fi_lock);
+
+	/*
+	 * Now we need to find the read end of the fifo (for reasons
+	 * explained below.)  We assume that the read end of the fifo
+	 * is in the same process as the write end.
+	 */
+	for (i = 0; i < fip->fi_nfiles; i++) {
+		UF_ENTER(ufp_rd, fip, i);
+		if (((fp_rd = ufp_rd->uf_file) != NULL) &&
+		    (fp_rd->f_vnode == vp_rd))
+			break;
+		UF_EXIT(ufp_rd);
+	}
+	if (i == fip->fi_nfiles) {
+		/* Didn't find it. */
+		mutex_exit(&fip->fi_lock);
+		mutex_enter(&prp->p_lock);
+		sprunlock(prp);
+		return (-1);
+	}
+
+	/*
+	 * Seems the automounter still has the read end of the fifo
+	 * open, we're done here.  Release all our locks and exit.
+	 */
+	mutex_exit(&fip->fi_lock);
+	UF_EXIT(ufp_rd);
+	mutex_enter(&prp->p_lock);
+	sprunlock(prp);
+
+	return (0);
+}
+
+static int
+i_fifo_write(lx_autofs_vfs_t *data, lx_autofs_pkt_t *lap)
+{
+	struct uio	uio;
+	struct iovec	iov;
+	file_t		*fp_wr, *fp_rd;
+	int		error;
+
+	/*
+	 * The catch here is we need to make sure _we_ don't close
+	 * the the fifo while writing to it.  (Another thread could come
+	 * along and realize the automounter process is gone and close
+	 * the fifo.  To do this we bump the open count before we
+	 * write to the fifo.
+	 */
+	mutex_enter(&data->lav_lock);
+	if (data->lav_fifo_wr == NULL) {
+		ASSERT(data->lav_fifo_rd == NULL);
+		mutex_exit(&data->lav_lock);
+		return (ENOENT);
+	}
+	fp_wr = data->lav_fifo_wr;
+	fp_rd = data->lav_fifo_rd;
+
+	/* Bump the open count on the write fifo. */
+	mutex_enter(&fp_wr->f_tlock);
+	fp_wr->f_count++;
+	mutex_exit(&fp_wr->f_tlock);
+
+	/* Bump the open count on the read fifo. */
+	mutex_enter(&fp_rd->f_tlock);
+	fp_rd->f_count++;
+	mutex_exit(&fp_rd->f_tlock);
+
+	mutex_exit(&data->lav_lock);
+
+	iov.iov_base = (caddr_t)lap;
+	iov.iov_len = sizeof (*lap);
+	uio.uio_iov = &iov;
+	uio.uio_iovcnt = 1;
+	uio.uio_loffset = 0;
+	uio.uio_segflg = (short)UIO_SYSSPACE;
+	uio.uio_resid = sizeof (*lap);
+	uio.uio_llimit = 0;
+	uio.uio_fmode = FWRITE | FNDELAY | FNONBLOCK;
+
+	error = VOP_WRITE(fp_wr->f_vnode, &uio, 0, kcred, NULL);
+	(void) closef(fp_wr);
+	(void) closef(fp_rd);
+
+	/*
+	 * After every write we verify that the automounter still has
+	 * these files open.
+	 */
+	mutex_enter(&data->lav_lock);
+	if (i_fifo_verify_rd(data) != 0) {
+		/*
+		 * Something happened to the automounter.
+		 * Close down the communication pipe we setup.
+		 */
+		mutex_exit(&data->lav_lock);
+		i_fifo_close(data);
+		if (error != 0)
+			return (error);
+		return (ENOENT);
+	}
+	mutex_exit(&data->lav_lock);
+
+	return (error);
+}
+
+static int
+i_bs_readdir(vnode_t *dvp, list_t *dir_stack, list_t *file_stack)
+{
+	struct iovec	iov;
+	struct uio	uio;
+	dirent64_t	*dp, *dbuf;
+	vnode_t		*vp;
+	size_t		dlen, dbuflen;
+	int		eof, error, ndirents = 64;
+	char		*nm;
+
+	dlen = ndirents * (sizeof (*dbuf));
+	dbuf = kmem_alloc(dlen, KM_SLEEP);
+
+	uio.uio_iov = &iov;
+	uio.uio_iovcnt = 1;
+	uio.uio_segflg = UIO_SYSSPACE;
+	uio.uio_fmode = 0;
+	uio.uio_extflg = UIO_COPY_CACHED;
+	uio.uio_loffset = 0;
+	uio.uio_llimit = MAXOFFSET_T;
+
+	eof = 0;
+	error = 0;
+	while (!error && !eof) {
+		uio.uio_resid = dlen;
+		iov.iov_base = (char *)dbuf;
+		iov.iov_len = dlen;
+
+		(void) VOP_RWLOCK(dvp, V_WRITELOCK_FALSE, NULL);
+		if (VOP_READDIR(dvp, &uio, kcred, &eof, NULL, 0) != 0) {
+			VOP_RWUNLOCK(dvp, V_WRITELOCK_FALSE, NULL);
+			kmem_free(dbuf, dlen);
+			return (-1);
+		}
+		VOP_RWUNLOCK(dvp, V_WRITELOCK_FALSE, NULL);
+
+		if ((dbuflen = dlen - uio.uio_resid) == 0) {
+			/* We're done. */
+			break;
+		}
+
+		for (dp = dbuf; ((intptr_t)dp < (intptr_t)dbuf + dbuflen);
+			dp = (dirent64_t *)((intptr_t)dp + dp->d_reclen)) {
+
+			nm = dp->d_name;
+
+			if (strcmp(nm, ".") == 0 || strcmp(nm, "..") == 0)
+				continue;
+
+			if (VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, kcred,
+			    NULL, NULL, NULL) != 0) {
+				kmem_free(dbuf, dlen);
+				return (-1);
+			}
+			if (vp->v_type == VDIR) {
+				if (dir_stack != NULL) {
+					i_stack_push(dir_stack, (caddr_t)dvp,
+					    (caddr_t)vp, i_strdup(nm));
+				} else {
+					VN_RELE(vp);
+				}
+			} else {
+				if (file_stack != NULL) {
+					i_stack_push(file_stack, (caddr_t)dvp,
+					    (caddr_t)vp, i_strdup(nm));
+				} else {
+					VN_RELE(vp);
+				}
+			}
+		}
+	}
+	kmem_free(dbuf, dlen);
+	return (0);
+}
+
+static void
+i_bs_destroy(vnode_t *dvp, char *path)
+{
+	list_t	search_stack;
+	list_t	dir_stack;
+	list_t	file_stack;
+	vnode_t	*pdvp, *vp;
+	char	*dpath, *fpath;
+	int	ret;
+
+	if (VOP_LOOKUP(dvp, path, &vp, NULL, 0, NULL, kcred,
+	    NULL, NULL, NULL) != 0) {
+		/* A directory entry with this name doesn't actually exist. */
+		return;
+	}
+
+	if ((vp->v_type & VDIR) == 0) {
+		/* Easy, the directory entry is a file so delete it. */
+		VN_RELE(vp);
+		(void) VOP_REMOVE(dvp, path, kcred, NULL, 0);
+		return;
+	}
+
+	/*
+	 * The directory entry is a subdirectory, now we have a bit more
+	 * work to do.  (We'll have to recurse into the sub directory.)
+	 * It would have been much easier to do this recursively but kernel
+	 * stacks are notoriously small.
+	 */
+	i_stack_init(&search_stack);
+	i_stack_init(&dir_stack);
+	i_stack_init(&file_stack);
+
+	/* Save our newfound subdirectory into a list. */
+	i_stack_push(&search_stack, (caddr_t)dvp, (caddr_t)vp, i_strdup(path));
+
+	/* Do a recursive depth first search into the subdirectories. */
+	while (i_stack_pop(&search_stack,
+	    (caddr_t *)&pdvp, (caddr_t *)&dvp, &dpath) == 0) {
+
+		/* Get a list of the subdirectories in this directory. */
+		if (i_bs_readdir(dvp, &search_stack, NULL) != 0)
+			goto exit;
+
+		/* Save the current directory a separate stack. */
+		i_stack_push(&dir_stack, (caddr_t)pdvp, (caddr_t)dvp, dpath);
+	}
+
+	/*
+	 * Now dir_stack contains a list of directories, the deepest paths
+	 * are at the top of the list.  So let's go through and process them.
+	 */
+	while (i_stack_pop(&dir_stack,
+	    (caddr_t *)&pdvp, (caddr_t *)&dvp, &dpath) == 0) {
+
+		/* Get a list of the files in this directory. */
+		if (i_bs_readdir(dvp, NULL, &file_stack) != 0) {
+			VN_RELE(dvp);
+			i_strfree(dpath);
+			goto exit;
+		}
+
+		/* Delete all the files in this directory. */
+		while (i_stack_pop(&file_stack,
+		    NULL, (caddr_t *)&vp, &fpath) == 0) {
+			VN_RELE(vp)
+			ret = VOP_REMOVE(dvp, fpath, kcred, NULL, 0);
+			i_strfree(fpath);
+			if (ret != 0) {
+				i_strfree(dpath);
+				goto exit;
+			}
+		}
+
+		/* Delete this directory. */
+		VN_RELE(dvp);
+		ret = VOP_RMDIR(pdvp, dpath, pdvp, kcred, NULL, 0);
+		i_strfree(dpath);
+		if (ret != 0)
+			goto exit;
+	}
+
+exit:
+	while (
+	    (i_stack_pop(&search_stack, NULL, (caddr_t *)&vp, &path) == 0) ||
+	    (i_stack_pop(&dir_stack, NULL, (caddr_t *)&vp, &path) == 0) ||
+	    (i_stack_pop(&file_stack, NULL, (caddr_t *)&vp, &path) == 0)) {
+		VN_RELE(vp);
+		i_strfree(path);
+	}
+	i_stack_fini(&search_stack);
+	i_stack_fini(&dir_stack);
+	i_stack_fini(&file_stack);
+}
+
+static vnode_t *
+i_bs_create(vnode_t *dvp, char *bs_name)
+{
+	vnode_t	*vp;
+	vattr_t	vattr;
+
+	/*
+	 * After looking at the mkdir syscall path it seems we don't need
+	 * to initialize all of the vattr_t structure.
+	 */
+	bzero(&vattr, sizeof (vattr));
+	vattr.va_type = VDIR;
+	vattr.va_mode = 0755; /* u+rwx,og=rx */
+	vattr.va_mask = AT_TYPE|AT_MODE;
+
+	if (VOP_MKDIR(dvp, bs_name, &vattr, &vp, kcred, NULL, 0, NULL) != 0)
+		return (NULL);
+	return (vp);
+}
+
+static int
+i_automounter_call(vnode_t *dvp, char *nm)
+{
+	lx_autofs_lookup_req_t	*lalr;
+	lx_autofs_vfs_t		*data;
+	int			error, dup_request;
+
+	/* Get a pointer to the vfs mount data. */
+	data = dvp->v_vfsp->vfs_data;
+
+	/* The automounter only support queries in the root directory. */
+	if (dvp != data->lav_root)
+		return (ENOENT);
+
+	/*
+	 * Check if the current process is in the automounters process
+	 * group.  (If it is, the current process is either the autmounter
+	 * itself or one of it's forked child processes.)  If so, don't
+	 * redirect this lookup back into the automounter because we'll
+	 * hang.
+	 */
+	mutex_enter(&pidlock);
+	if (data->lav_pgrp == curproc->p_pgrp) {
+		mutex_exit(&pidlock);
+		return (ENOENT);
+	}
+	mutex_exit(&pidlock);
+
+	/* Verify that the automount process pipe still exists. */
+	mutex_enter(&data->lav_lock);
+	if (data->lav_fifo_wr == NULL) {
+		ASSERT(data->lav_fifo_rd == NULL);
+		mutex_exit(&data->lav_lock);
+		return (ENOENT);
+	}
+	mutex_exit(&data->lav_lock);
+
+	/* Allocate an automounter request structure. */
+	if ((lalr = i_lalr_alloc(data, &dup_request, nm)) == NULL)
+		return (ENOENT);
+
+	/*
+	 * If we were the first one to allocate this request then we
+	 * need to send it to the automounter.
+	 */
+	if ((!dup_request) &&
+	    ((error = i_fifo_write(data, &lalr->lalr_pkt)) != 0)) {
+		/*
+		 * Unable to send the request to the automounter.
+		 * Unblock any other threads waiting on the request
+		 * and release the request.
+		 */
+		i_lalr_complete(data, lalr);
+		i_lalr_release(data, lalr);
+		return (error);
+	}
+
+	/* Wait for someone to signal us that this request has compleated. */
+	mutex_enter(&lalr->lalr_lock);
+	while (!lalr->lalr_complete) {
+		if (cv_wait_sig(&lalr->lalr_cv, &lalr->lalr_lock) == 0) {
+			/* We got a signal, abort this lookup. */
+			mutex_exit(&lalr->lalr_lock);
+			i_lalr_abort(data, lalr);
+			return (EINTR);
+		}
+	}
+	mutex_exit(&lalr->lalr_lock);
+	i_lalr_release(data, lalr);
+
+	return (0);
+}
+
+static int
+i_automounter_ioctl(vnode_t *vp, int cmd, intptr_t arg)
+{
+	lx_autofs_vfs_t *data = (lx_autofs_vfs_t *)vp->v_vfsp->vfs_data;
+
+	/*
+	 * Be strict.
+	 * We only accept ioctls from the automounter process group.
+	 */
+	mutex_enter(&pidlock);
+	if (data->lav_pgrp != curproc->p_pgrp) {
+		mutex_exit(&pidlock);
+		return (ENOENT);
+	}
+	mutex_exit(&pidlock);
+
+	if ((cmd == LX_AUTOFS_IOC_READY) || (cmd == LX_AUTOFS_IOC_FAIL)) {
+		lx_autofs_lookup_req_t	*lalr;
+		int			id = arg;
+
+		/*
+		 * We don't actually care if the request failed or succeeded.
+		 * We do the same thing either way.
+		 */
+		if ((lalr = i_lalr_find(data, id)) == NULL)
+			return (ENXIO);
+
+		/* Mark the request as compleate and release it. */
+		i_lalr_complete(data, lalr);
+		i_lalr_release(data, lalr);
+		return (0);
+	}
+	if (cmd == LX_AUTOFS_IOC_CATATONIC) {
+		/* The automounter is shutting down. */
+		i_fifo_close(data);
+		return (0);
+	}
+	return (ENOTSUP);
+}
+
+static int
+i_parse_mntopt(vfs_t *vfsp, lx_autofs_vfs_t *data)
+{
+	char		*fd_str, *pgrp_str, *minproto_str, *maxproto_str;
+	int		fd, pgrp, minproto, maxproto;
+	file_t		*fp_wr, *fp_rd;
+
+	/* Require all options to be present. */
+	if ((vfs_optionisset(vfsp, LX_MNTOPT_FD, &fd_str) != 1) ||
+	    (vfs_optionisset(vfsp, LX_MNTOPT_PGRP, &pgrp_str) != 1) ||
+	    (vfs_optionisset(vfsp, LX_MNTOPT_MINPROTO, &minproto_str) != 1) ||
+	    (vfs_optionisset(vfsp, LX_MNTOPT_MAXPROTO, &maxproto_str) != 1))
+		return (EINVAL);
+
+	/* Get the values for each parameter. */
+	if ((i_str_to_int(fd_str, &fd) != 0) ||
+	    (i_str_to_int(pgrp_str, &pgrp) != 0) ||
+	    (i_str_to_int(minproto_str, &minproto) != 0) ||
+	    (i_str_to_int(maxproto_str, &maxproto) != 0))
+		return (EINVAL);
+
+	/*
+	 * We support v2 of the linux kernel automounter protocol.
+	 * Make sure the mount request we got indicates support
+	 * for this version of the protocol.
+	 */
+	if ((minproto > 2) || (maxproto < 2))
+		return (EINVAL);
+
+	/*
+	 * Now we need to lookup the fifos we'll be using
+	 * to talk to the userland automounter process.
+	 */
+	if (i_fifo_lookup(pgrp, fd, &fp_wr, &fp_rd) != 0)
+		return (EINVAL);
+
+	/* Save the mount options and fifo pointers. */
+	data->lav_fd = fd;
+	data->lav_pgrp = pgrp;
+	data->lav_fifo_rd = fp_rd;
+	data->lav_fifo_wr = fp_wr;
+	return (0);
+}
+
+/*
+ * VFS entry points
+ */
+static int
+lx_autofs_mount(vfs_t *vfsp, vnode_t *mvp, struct mounta *uap, cred_t *cr)
+{
+	lx_autofs_vfs_t	*data;
+	dev_t		dev;
+	char		name[40];
+	int		error;
+
+	if (secpolicy_fs_mount(cr, mvp, vfsp) != 0)
+		return (EPERM);
+
+	if (mvp->v_type != VDIR)
+		return (ENOTDIR);
+
+	if ((uap->flags & MS_OVERLAY) == 0 &&
+	    (mvp->v_count > 1 || (mvp->v_flag & VROOT)))
+		return (EBUSY);
+
+	/* We don't support mountes in the global zone. */
+	if (getzoneid() == GLOBAL_ZONEID)
+		return (EPERM);
+
+	/* We don't support mounting on top of ourselves. */
+	if (vn_matchops(mvp, lx_autofs_vn_ops))
+		return (EPERM);
+
+	/* Allocate a vfs struct. */
+	data = kmem_zalloc(sizeof (lx_autofs_vfs_t), KM_SLEEP);
+
+	/* Parse mount options. */
+	if ((error = i_parse_mntopt(vfsp, data)) != 0) {
+		kmem_free(data, sizeof (lx_autofs_vfs_t));
+		return (error);
+	}
+
+	/* Initialize the backing store. */
+	i_bs_destroy(mvp, LX_AUTOFS_BS_DIR);
+	if ((data->lav_bs_vp = i_bs_create(mvp, LX_AUTOFS_BS_DIR)) == NULL) {
+		kmem_free(data, sizeof (lx_autofs_vfs_t));
+		return (EBUSY);
+	}
+	data->lav_bs_name = LX_AUTOFS_BS_DIR;
+
+	/* We have to hold the underlying vnode we're mounted on. */
+	data->lav_mvp = mvp;
+	VN_HOLD(mvp);
+
+	/* Initialize vfs fields */
+	vfsp->vfs_bsize = DEV_BSIZE;
+	vfsp->vfs_fstype = lx_autofs_fstype;
+	vfsp->vfs_data = data;
+
+	/* Invent a dev_t (sigh) */
+	do {
+		dev = makedevice(lx_autofs_major,
+		    atomic_add_32_nv(&lx_autofs_minor, 1) & L_MAXMIN32);
+	} while (vfs_devismounted(dev));
+	vfsp->vfs_dev = dev;
+	vfs_make_fsid(&vfsp->vfs_fsid, dev, lx_autofs_fstype);
+
+	/* Create an id space arena for automounter requests. */
+	(void) snprintf(name, sizeof (name), "lx_autofs_id_%d",
+	    getminor(vfsp->vfs_dev));
+	data->lav_ids = id_space_create(name, 1, INT_MAX);
+
+	/* Create hashes to keep track of automounter requests. */
+	mutex_init(&data->lav_lock, NULL, MUTEX_DEFAULT, NULL);
+	(void) snprintf(name, sizeof (name), "lx_autofs_path_hash_%d",
+	    getminor(vfsp->vfs_dev));
+	data->lav_path_hash = mod_hash_create_strhash(name,
+	    LX_AUTOFS_VFS_PATH_HASH_SIZE, mod_hash_null_valdtor);
+	(void) snprintf(name, sizeof (name), "lx_autofs_id_hash_%d",
+	    getminor(vfsp->vfs_dev));
+	data->lav_id_hash = mod_hash_create_idhash(name,
+	    LX_AUTOFS_VFS_ID_HASH_SIZE, mod_hash_null_valdtor);
+
+	/* Create a hash to keep track of vnodes. */
+	(void) snprintf(name, sizeof (name), "lx_autofs_vn_hash_%d",
+	    getminor(vfsp->vfs_dev));
+	data->lav_vn_hash = mod_hash_create_ptrhash(name,
+	    LX_AUTOFS_VFS_VN_HASH_SIZE, mod_hash_null_valdtor,
+	    sizeof (vnode_t));
+
+	/* Create root vnode */
+	data->lav_root = i_vn_alloc(vfsp, data->lav_bs_vp);
+	data->lav_root->v_flag |=
+	    VROOT | VNOCACHE | VNOMAP | VNOSWAP | VNOMOUNT;
+
+	return (0);
+}
+
+static int
+lx_autofs_unmount(vfs_t *vfsp, int flag, struct cred *cr)
+{
+	lx_autofs_vfs_t *data;
+
+	if (secpolicy_fs_unmount(cr, vfsp) != 0)
+		return (EPERM);
+
+	/* We do not currently support forced unmounts. */
+	if (flag & MS_FORCE)
+		return (ENOTSUP);
+
+	/*
+	 * We should never have a reference count of less than 2: one for the
+	 * caller, one for the root vnode.
+	 */
+	ASSERT(vfsp->vfs_count >= 2);
+
+	/* If there are any outstanding vnodes, we can't unmount. */
+	if (vfsp->vfs_count > 2)
+		return (EBUSY);
+
+	/* Check for any remaining holds on the root vnode. */
+	data = vfsp->vfs_data;
+	ASSERT(data->lav_root->v_vfsp == vfsp);
+	if (data->lav_root->v_count > 1)
+		return (EBUSY);
+
+	/* Close the fifo to the automount process. */
+	if (data->lav_fifo_wr != NULL)
+		(void) closef(data->lav_fifo_wr);
+	if (data->lav_fifo_rd != NULL)
+		(void) closef(data->lav_fifo_rd);
+
+	/*
+	 * We have to release our hold on our root vnode before we can
+	 * delete the backing store.  (Since the root vnode is linked
+	 * to the backing store.)
+	 */
+	VN_RELE(data->lav_root);
+
+	/* Cleanup the backing store. */
+	i_bs_destroy(data->lav_mvp, data->lav_bs_name);
+	VN_RELE(data->lav_mvp);
+
+	/* Cleanup out remaining data structures. */
+	mod_hash_destroy_strhash(data->lav_path_hash);
+	mod_hash_destroy_idhash(data->lav_id_hash);
+	mod_hash_destroy_ptrhash(data->lav_vn_hash);
+	id_space_destroy(data->lav_ids);
+	kmem_free(data, sizeof (lx_autofs_vfs_t));
+
+	return (0);
+}
+
+static int
+lx_autofs_root(vfs_t *vfsp, vnode_t **vpp)
+{
+	lx_autofs_vfs_t	*data = vfsp->vfs_data;
+
+	*vpp = data->lav_root;
+	VN_HOLD(*vpp);
+
+	return (0);
+}
+
+static int
+lx_autofs_statvfs(vfs_t *vfsp, statvfs64_t *sp)
+{
+	lx_autofs_vfs_t	*data = vfsp->vfs_data;
+	vnode_t		*urvp = data->lav_root->v_data;
+	dev32_t		d32;
+	int		error;
+
+	if ((error = VFS_STATVFS(urvp->v_vfsp, sp)) != 0)
+		return (error);
+
+	/* Update some of values before returning. */
+	(void) cmpldev(&d32, vfsp->vfs_dev);
+	sp->f_fsid = d32;
+	(void) strlcpy(sp->f_basetype, vfssw[vfsp->vfs_fstype].vsw_name,
+	    sizeof (sp->f_basetype));
+	sp->f_flag = vf_to_stf(vfsp->vfs_flag);
+	bzero(sp->f_fstr, sizeof (sp->f_fstr));
+	return (0);
+}
+
+static const fs_operation_def_t lx_autofs_vfstops[] = {
+	{ VFSNAME_MOUNT,	{ .vfs_mount = lx_autofs_mount } },
+	{ VFSNAME_UNMOUNT,	{ .vfs_unmount = lx_autofs_unmount } },
+	{ VFSNAME_ROOT,		{ .vfs_root = lx_autofs_root } },
+	{ VFSNAME_STATVFS,	{ .vfs_statvfs = lx_autofs_statvfs } },
+	{ NULL, NULL }
+};
+
+/*
+ * VOP entry points - simple passthrough
+ *
+ * For most VOP entry points we can simply pass the request on to
+ * the underlying filesystem we're mounted on.
+ */
+static int
+lx_autofs_close(vnode_t *vp, int flag, int count, offset_t offset, cred_t *cr,
+    caller_context_t *ctp)
+{
+	vnode_t *uvp = vp->v_data;
+	return (VOP_CLOSE(uvp, flag, count, offset, cr, ctp));
+}
+
+static int
+lx_autofs_readdir(vnode_t *vp, uio_t *uiop, cred_t *cr, int *eofp,
+    caller_context_t *ctp, int flags)
+{
+	vnode_t *uvp = vp->v_data;
+	return (VOP_READDIR(uvp, uiop, cr, eofp, ctp, flags));
+}
+
+static int
+lx_autofs_access(vnode_t *vp, int mode, int flags, cred_t *cr,
+    caller_context_t *ctp)
+{
+	vnode_t *uvp = vp->v_data;
+	return (VOP_ACCESS(uvp, mode, flags, cr, ctp));
+}
+
+static int
+lx_autofs_rwlock(struct vnode *vp, int write_lock, caller_context_t *ctp)
+{
+	vnode_t *uvp = vp->v_data;
+	return (VOP_RWLOCK(uvp, write_lock, ctp));
+}
+
+static void
+lx_autofs_rwunlock(struct vnode *vp, int write_lock, caller_context_t *ctp)
+{
+	vnode_t *uvp = vp->v_data;
+	VOP_RWUNLOCK(uvp, write_lock, ctp);
+}
+
+/*ARGSUSED*/
+static int
+lx_autofs_rmdir(vnode_t *dvp, char *nm, vnode_t *cdir, cred_t *cr,
+    caller_context_t *ctp, int flags)
+{
+	vnode_t *udvp = dvp->v_data;
+
+	/*
+	 * cdir is the calling processes current directory.
+	 * If cdir is lx_autofs vnode then get its real underlying
+	 * vnode ptr.  (It seems like the only thing cdir is
+	 * ever used for is to make sure the user doesn't delete
+	 * their current directory.)
+	 */
+	if (vn_matchops(cdir, lx_autofs_vn_ops)) {
+		vnode_t *ucdir = cdir->v_data;
+		return (VOP_RMDIR(udvp, nm, ucdir, cr, ctp, flags));
+	}
+
+	return (VOP_RMDIR(udvp, nm, cdir, cr, ctp, flags));
+}
+
+/*
+ * VOP entry points - special passthrough
+ *
+ * For some VOP entry points we will first pass the request on to
+ * the underlying filesystem we're mounted on.  If there's an error
+ * then we immediately return the error, but if the request succeeds
+ * we have to do some extra work before returning.
+ */
+static int
+lx_autofs_open(vnode_t **vpp, int flag, cred_t *cr, caller_context_t *ctp)
+{
+	vnode_t		*ovp = *vpp;
+	vnode_t		*uvp = ovp->v_data;
+	int		error;
+
+	if ((error = VOP_OPEN(&uvp, flag, cr, ctp)) != 0)
+		return (error);
+
+	/* Check for clone opens. */
+	if (uvp == ovp->v_data)
+		return (0);
+
+	/* Deal with clone opens by returning a new vnode. */
+	*vpp = i_vn_alloc(ovp->v_vfsp, uvp);
+	VN_RELE(ovp);
+	return (0);
+}
+
+static int
+lx_autofs_getattr(vnode_t *vp, vattr_t *vap, int flags, cred_t *cr,
+    caller_context_t *ctp)
+{
+	vnode_t		*uvp = vp->v_data;
+	int		error;
+
+	if ((error = VOP_GETATTR(uvp, vap, flags, cr, ctp)) != 0)
+		return (error);
+
+	/* Update the attributes with our filesystem id. */
+	vap->va_fsid = vp->v_vfsp->vfs_dev;
+	return (0);
+}
+
+static int
+lx_autofs_mkdir(vnode_t *dvp, char *nm, struct vattr *vap, vnode_t **vpp,
+    cred_t *cr, caller_context_t *ctp, int flags, vsecattr_t *vsecp)
+{
+	vnode_t		*udvp = dvp->v_data;
+	vnode_t		*uvp = NULL;
+	int		error;
+
+	if ((error = VOP_MKDIR(udvp, nm, vap, &uvp, cr,
+	    ctp, flags, vsecp)) != 0)
+		return (error);
+
+	/* Update the attributes with our filesystem id. */
+	vap->va_fsid = dvp->v_vfsp->vfs_dev;
+
+	/* Allocate a new vnode. */
+	*vpp = i_vn_alloc(dvp->v_vfsp, uvp);
+	return (0);
+}
+
+/*
+ * VOP entry points - custom
+ */
+/*ARGSUSED*/
+static void
+lx_autofs_inactive(struct vnode *vp, struct cred *cr, caller_context_t *ctp)
+{
+	lx_autofs_vfs_t	*data = vp->v_vfsp->vfs_data;
+
+	/*
+	 * We need to hold the vfs lock because if we're going to free
+	 * this vnode we have to prevent anyone from looking it up
+	 * in the vnode hash.
+	 */
+	mutex_enter(&data->lav_lock);
+	mutex_enter(&vp->v_lock);
+
+	if (vp->v_count < 1) {
+		panic("lx_autofs_inactive: bad v_count");
+		/*NOTREACHED*/
+	}
+
+	/* Drop the temporary hold by vn_rele now. */
+	if (--vp->v_count > 0) {
+		mutex_exit(&vp->v_lock);
+		mutex_exit(&data->lav_lock);
+		return;
+	}
+
+	/*
+	 * No one should have been blocked on this lock because we're
+	 * about to free this vnode.
+	 */
+	i_vn_free(vp);
+}
+
+static int
+lx_autofs_lookup(vnode_t *dvp, char *nm, vnode_t **vpp, struct pathname *pnp,
+    int flags, vnode_t *rdir, cred_t *cr, caller_context_t *ctp,
+    int *direntflags, pathname_t *realpnp)
+{
+	vnode_t			*udvp = dvp->v_data;
+	vnode_t			*uvp = NULL;
+	int			error;
+
+	/* First try to lookup if this path component already exitst. */
+	if ((error = VOP_LOOKUP(udvp, nm, &uvp, pnp, flags, rdir, cr, ctp,
+	    direntflags, realpnp)) == 0) {
+		*vpp = i_vn_alloc(dvp->v_vfsp, uvp);
+		return (0);
+	}
+
+	/* Only query the automounter if the path does not exist. */
+	if (error != ENOENT)
+		return (error);
+
+	/* Refer the lookup to the automounter. */
+	if ((error = i_automounter_call(dvp, nm)) != 0)
+		return (error);
+
+	/* Retry the lookup operation. */
+	if ((error = VOP_LOOKUP(udvp, nm, &uvp, pnp, flags, rdir, cr, ctp,
+	    direntflags, realpnp)) == 0) {
+		*vpp = i_vn_alloc(dvp->v_vfsp, uvp);
+		return (0);
+	}
+	return (error);
+}
+
+/*ARGSUSED*/
+static int
+lx_autofs_ioctl(vnode_t *vp, int cmd, intptr_t arg, int mode, cred_t *cr,
+    int *rvalp, caller_context_t *ctp)
+{
+	vnode_t			*uvp = vp->v_data;
+
+	/* Intercept certain ioctls. */
+	switch ((uint_t)cmd) {
+	case LX_AUTOFS_IOC_READY:
+	case LX_AUTOFS_IOC_FAIL:
+	case LX_AUTOFS_IOC_CATATONIC:
+	case LX_AUTOFS_IOC_EXPIRE:
+	case LX_AUTOFS_IOC_PROTOVER:
+	case LX_AUTOFS_IOC_SETTIMEOUT:
+		return (i_automounter_ioctl(vp, cmd, arg));
+	}
+
+	/* Pass any remaining ioctl on. */
+	return (VOP_IOCTL(uvp, cmd, arg, mode, cr, rvalp, ctp));
+}
+
+/*
+ * VOP entry points definitions
+ */
+static const fs_operation_def_t lx_autofs_tops_root[] = {
+	{ VOPNAME_OPEN,		{ .vop_open = lx_autofs_open } },
+	{ VOPNAME_CLOSE,	{ .vop_close = lx_autofs_close } },
+	{ VOPNAME_IOCTL,	{ .vop_ioctl = lx_autofs_ioctl } },
+	{ VOPNAME_RWLOCK,	{ .vop_rwlock = lx_autofs_rwlock } },
+	{ VOPNAME_RWUNLOCK,	{ .vop_rwunlock = lx_autofs_rwunlock } },
+	{ VOPNAME_GETATTR,	{ .vop_getattr = lx_autofs_getattr } },
+	{ VOPNAME_ACCESS,	{ .vop_access = lx_autofs_access } },
+	{ VOPNAME_READDIR,	{ .vop_readdir = lx_autofs_readdir } },
+	{ VOPNAME_LOOKUP,	{ .vop_lookup = lx_autofs_lookup } },
+	{ VOPNAME_INACTIVE,	{ .vop_inactive = lx_autofs_inactive } },
+	{ VOPNAME_MKDIR,	{ .vop_mkdir = lx_autofs_mkdir } },
+	{ VOPNAME_RMDIR,	{ .vop_rmdir = lx_autofs_rmdir } },
+	{ NULL }
+};
+
+/*
+ * lx_autofs_init() gets invoked via the mod_install() call in
+ * this modules _init() routine.  Therefor, the code that cleans
+ * up the structures we allocate below is actually found in
+ * our _fini() routine.
+ */
+/* ARGSUSED */
+static int
+lx_autofs_init(int fstype, char *name)
+{
+	int		error;
+
+	if ((lx_autofs_major =
+	    (major_t)space_fetch(LX_AUTOFS_SPACE_KEY_UDEV)) == 0) {
+
+		if ((lx_autofs_major = getudev()) == (major_t)-1) {
+			cmn_err(CE_WARN, "lx_autofs_init: "
+			    "can't get unique device number");
+			return (EAGAIN);
+		}
+
+		if (space_store(LX_AUTOFS_SPACE_KEY_UDEV,
+		    (uintptr_t)lx_autofs_major) != 0) {
+			cmn_err(CE_WARN, "lx_autofs_init: "
+			    "can't save unique device number");
+			return (EAGAIN);
+		}
+	}
+
+	lx_autofs_fstype = fstype;
+	if ((error = vfs_setfsops(
+	    fstype, lx_autofs_vfstops, &lx_autofs_vfsops)) != 0) {
+		cmn_err(CE_WARN, "lx_autofs_init: bad vfs ops template");
+		return (error);
+	}
+
+	if ((error = vn_make_ops("lx_autofs vnode ops",
+	    lx_autofs_tops_root, &lx_autofs_vn_ops)) != 0) {
+		VERIFY(vfs_freevfsops_by_type(fstype) == 0);
+		lx_autofs_vn_ops = NULL;
+		return (error);
+	}
+
+	return (0);
+}
+
+
+/*
+ * Module linkage
+ */
+static mntopt_t lx_autofs_mntopt[] = {
+	{ LX_MNTOPT_FD,		NULL,	0,	MO_HASVALUE },
+	{ LX_MNTOPT_PGRP,	NULL,	0,	MO_HASVALUE },
+	{ LX_MNTOPT_MINPROTO,	NULL,	0,	MO_HASVALUE },
+	{ LX_MNTOPT_MAXPROTO,	NULL,	0,	MO_HASVALUE }
+};
+
+static mntopts_t lx_autofs_mntopts = {
+	sizeof (lx_autofs_mntopt) / sizeof (mntopt_t),
+	lx_autofs_mntopt
+};
+
+static vfsdef_t vfw = {
+	VFSDEF_VERSION,
+	LX_AUTOFS_NAME,
+	lx_autofs_init,
+	VSW_HASPROTO | VSW_VOLATILEDEV,
+	&lx_autofs_mntopts
+};
+
+extern struct mod_ops mod_fsops;
+
+static struct modlfs modlfs = {
+	&mod_fsops, "linux autofs filesystem", &vfw
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1, (void *)&modlfs, NULL
+};
+
+int
+_init(void)
+{
+	return (mod_install(&modlinkage));
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	int		error;
+
+	if ((error = mod_remove(&modlinkage)) != 0)
+		return (error);
+
+	if (lx_autofs_vn_ops != NULL) {
+		vn_freevnodeops(lx_autofs_vn_ops);
+		lx_autofs_vn_ops = NULL;
+	}
+
+	/*
+	 * In our init routine, if we get an error after calling
+	 * vfs_setfsops() we cleanup by calling vfs_freevfsops_by_type().
+	 * But we don't need to call vfs_freevfsops_by_type() here
+	 * because the fs framework did this for us as part of the
+	 * mod_remove() call above.
+	 */
+	return (0);
+}
diff --git a/usr/src/uts/common/brand/lx/dtrace/lx_systrace.c b/usr/src/uts/common/brand/lx/dtrace/lx_systrace.c
new file mode 100644
index 0000000000..510626d220
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/dtrace/lx_systrace.c
@@ -0,0 +1,497 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+
+#include <sys/modctl.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/stat.h>
+#include <sys/conf.h>
+#include <sys/frame.h>
+#include <sys/dtrace.h>
+#include <sys/dtrace_impl.h>
+
+#include <sys/lx_brand.h>
+#include <sys/lx_impl.h>
+
+/*
+ * We store the syscall number in the low 16 bits (which limits us to 64k
+ * syscalls). The next bit indicates entry/return probe and the next bit
+ * indicates 64bit/32bit syscall.
+ */
+#define	SCALL_MASK	0xffff
+#define	ENTRY_FLAG	0x10000
+#define	SYSC_64_BIT	0x100000
+
+#define	LX_SYSTRACE_IS64BIT(x)	((int)(x) & SYSC_64_BIT)
+#define	LX_SYSTRACE_ISENTRY(x)	((int)(x) & ENTRY_FLAG)
+#define	LX_SYSTRACE_SYSNUM(x)	((int)(x) & SCALL_MASK)
+
+#define	LX_SYSTRACE32_ENTRY(id)	(ENTRY_FLAG | (id))
+#define	LX_SYSTRACE32_RETURN(id) (id)
+
+#define	LX_SYSTRACE64_ENTRY(id)	(SYSC_64_BIT | ENTRY_FLAG | (id))
+#define	LX_SYSTRACE64_RETURN(id) (SYSC_64_BIT | id)
+
+#define	LX_SYSTRACE_ENTRY_AFRAMES	2
+#define	LX_SYSTRACE_RETURN_AFRAMES	4
+
+typedef struct lx_systrace_sysent {
+	const char *lss_name;
+	dtrace_id_t lss_entry;
+	dtrace_id_t lss_return;
+} lx_systrace_sysent_t;
+
+static dev_info_t *lx_systrace_devi;
+static dtrace_provider_id_t lx_systrace_id;
+static kmutex_t lx_systrace_lock;
+static uint_t lx_systrace_nenabled;
+
+static int lx_systrace_nsysent32;
+static lx_systrace_sysent_t *lx_systrace_sysent32;
+
+#if defined(_LP64)
+static int lx_systrace_nsysent64;
+static lx_systrace_sysent_t *lx_systrace_sysent64;
+#endif
+
+/*ARGSUSED*/
+static void
+lx_systrace_entry(ulong_t sysnum, ulong_t arg0, ulong_t arg1, ulong_t arg2,
+    ulong_t arg3, ulong_t arg4, ulong_t arg5)
+{
+	dtrace_id_t id;
+
+#if defined(_LP64)
+	if ((ttoproc(curthread))->p_model == DATAMODEL_NATIVE) {
+		if (sysnum >= lx_systrace_nsysent64)
+			return;
+		id = lx_systrace_sysent64[sysnum].lss_entry;
+	} else
+#endif
+	{
+		if (sysnum >= lx_systrace_nsysent32)
+			return;
+		id = lx_systrace_sysent32[sysnum].lss_entry;
+	}
+
+	if (id == DTRACE_IDNONE)
+		return;
+	dtrace_probe(id, arg0, arg1, arg2, arg3, arg4);
+}
+
+/*ARGSUSED*/
+static void
+lx_systrace_return(ulong_t sysnum, ulong_t arg0, ulong_t arg1, ulong_t arg2,
+    ulong_t arg3, ulong_t arg4, ulong_t arg5)
+{
+	dtrace_id_t id;
+
+#if defined(_LP64)
+	if ((ttoproc(curthread))->p_model == DATAMODEL_NATIVE) {
+		if (sysnum >= lx_systrace_nsysent64)
+			return;
+		id = lx_systrace_sysent64[sysnum].lss_return;
+	} else
+#endif
+	{
+		if (sysnum >= lx_systrace_nsysent32)
+			return;
+		id = lx_systrace_sysent32[sysnum].lss_return;
+	}
+
+	if (id == DTRACE_IDNONE)
+		return;
+	dtrace_probe(id, arg0, arg1, arg2, arg3, arg4);
+}
+
+/*ARGSUSED*/
+static void
+lx_systrace_provide(void *arg, const dtrace_probedesc_t *desc)
+{
+	int i;
+
+	if (desc != NULL)
+		return;
+
+	for (i = 0; i < lx_systrace_nsysent32; i++) {
+		if (dtrace_probe_lookup(lx_systrace_id, "sys32",
+		    lx_systrace_sysent32[i].lss_name, "entry") != 0)
+			continue;
+
+		(void) dtrace_probe_create(lx_systrace_id, "sys32",
+		    lx_systrace_sysent32[i].lss_name, "entry",
+		    LX_SYSTRACE_ENTRY_AFRAMES,
+		    (void *)((uintptr_t)LX_SYSTRACE32_ENTRY(i)));
+
+		(void) dtrace_probe_create(lx_systrace_id, "sys32",
+		    lx_systrace_sysent32[i].lss_name, "return",
+		    LX_SYSTRACE_RETURN_AFRAMES,
+		    (void *)((uintptr_t)LX_SYSTRACE32_RETURN(i)));
+
+		lx_systrace_sysent32[i].lss_entry = DTRACE_IDNONE;
+		lx_systrace_sysent32[i].lss_return = DTRACE_IDNONE;
+	}
+
+#if defined(_LP64)
+	for (i = 0; i < lx_systrace_nsysent64; i++) {
+		if (dtrace_probe_lookup(lx_systrace_id, "sys64",
+		    lx_systrace_sysent64[i].lss_name, "entry") != 0)
+			continue;
+
+		(void) dtrace_probe_create(lx_systrace_id, "sys64",
+		    lx_systrace_sysent64[i].lss_name, "entry",
+		    LX_SYSTRACE_ENTRY_AFRAMES,
+		    (void *)((uintptr_t)LX_SYSTRACE64_ENTRY(i)));
+
+		(void) dtrace_probe_create(lx_systrace_id, "sys64",
+		    lx_systrace_sysent64[i].lss_name, "return",
+		    LX_SYSTRACE_RETURN_AFRAMES,
+		    (void *)((uintptr_t)LX_SYSTRACE64_RETURN(i)));
+
+		lx_systrace_sysent64[i].lss_entry = DTRACE_IDNONE;
+		lx_systrace_sysent64[i].lss_return = DTRACE_IDNONE;
+	}
+#endif
+}
+
+/*ARGSUSED*/
+static int
+lx_systrace_enable(void *arg, dtrace_id_t id, void *parg)
+{
+	int sysnum = LX_SYSTRACE_SYSNUM((uintptr_t)parg);
+
+	mutex_enter(&lx_systrace_lock);
+	if (lx_systrace_nenabled++ == 0)
+		lx_brand_systrace_enable();
+	mutex_exit(&lx_systrace_lock);
+
+	if (LX_SYSTRACE_IS64BIT((uintptr_t)parg)) {
+#if defined(_LP64)
+		ASSERT(sysnum < lx_systrace_nsysent64);
+
+		if (LX_SYSTRACE_ISENTRY((uintptr_t)parg)) {
+			lx_systrace_sysent64[sysnum].lss_entry = id;
+		} else {
+			lx_systrace_sysent64[sysnum].lss_return = id;
+		}
+#endif
+	} else {
+		ASSERT(sysnum < lx_systrace_nsysent32);
+
+		if (LX_SYSTRACE_ISENTRY((uintptr_t)parg)) {
+			lx_systrace_sysent32[sysnum].lss_entry = id;
+		} else {
+			lx_systrace_sysent32[sysnum].lss_return = id;
+		}
+	}
+	return (0);
+}
+
+/*ARGSUSED*/
+static void
+lx_systrace_disable(void *arg, dtrace_id_t id, void *parg)
+{
+	int sysnum = LX_SYSTRACE_SYSNUM((uintptr_t)parg);
+
+	if (LX_SYSTRACE_IS64BIT((uintptr_t)parg)) {
+#if defined(_LP64)
+		ASSERT(sysnum < lx_systrace_nsysent64);
+
+		if (LX_SYSTRACE_ISENTRY((uintptr_t)parg)) {
+			lx_systrace_sysent64[sysnum].lss_entry = DTRACE_IDNONE;
+		} else {
+			lx_systrace_sysent64[sysnum].lss_return = DTRACE_IDNONE;
+		}
+#endif
+	} else {
+		ASSERT(sysnum < lx_systrace_nsysent32);
+
+		if (LX_SYSTRACE_ISENTRY((uintptr_t)parg)) {
+			lx_systrace_sysent32[sysnum].lss_entry = DTRACE_IDNONE;
+		} else {
+			lx_systrace_sysent32[sysnum].lss_return = DTRACE_IDNONE;
+		}
+	}
+
+	mutex_enter(&lx_systrace_lock);
+	if (--lx_systrace_nenabled == 0)
+		lx_brand_systrace_disable();
+	mutex_exit(&lx_systrace_lock);
+}
+
+/*ARGSUSED*/
+static void
+lx_systrace_destroy(void *arg, dtrace_id_t id, void *parg)
+{
+}
+
+/*ARGSUSED*/
+static uint64_t
+lx_systrace_getarg(void *arg, dtrace_id_t id, void *parg, int argno,
+    int aframes)
+{
+	struct frame *fp = (struct frame *)dtrace_getfp();
+	uintptr_t *stack;
+	uint64_t val = 0;
+	int i;
+
+	if (argno >= 6)
+		return (0);
+
+	/*
+	 * Walk the four frames down the stack to the entry or return callback.
+	 * Our callback calls dtrace_probe() which calls dtrace_dif_variable()
+	 * which invokes this function to get the extended arguments. We get
+	 * the frame pointer in via call to dtrace_getfp() above which makes for
+	 * four frames.
+	 */
+	for (i = 0; i < 4; i++) {
+		fp = (struct frame *)fp->fr_savfp;
+	}
+
+	stack = (uintptr_t *)&fp[1];
+
+	/*
+	 * Skip the first argument to the callback -- the system call number.
+	 */
+	argno++;
+
+#ifdef __amd64
+	/*
+	 * On amd64, the first 6 arguments are passed in registers while
+	 * subsequent arguments are on the stack.
+	 */
+	argno -= 6;
+#endif
+
+	DTRACE_CPUFLAG_SET(CPU_DTRACE_NOFAULT);
+	val = stack[argno];
+	DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT);
+
+	return (val);
+}
+
+
+static const dtrace_pattr_t lx_systrace_attr = {
+{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON },
+{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN },
+{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_ISA },
+{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON },
+{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_ISA },
+};
+
+static dtrace_pops_t lx_systrace_pops = {
+	lx_systrace_provide,
+	NULL,
+	lx_systrace_enable,
+	lx_systrace_disable,
+	NULL,
+	NULL,
+	NULL,
+	lx_systrace_getarg,
+	NULL,
+	lx_systrace_destroy
+};
+
+static int
+lx_systrace_attach(dev_info_t *devi, ddi_attach_cmd_t cmd)
+{
+	int i;
+
+	switch (cmd) {
+	case DDI_ATTACH:
+		break;
+	case DDI_RESUME:
+		return (DDI_SUCCESS);
+	default:
+		return (DDI_FAILURE);
+	}
+
+	if (ddi_create_minor_node(devi, "lx_systrace", S_IFCHR,
+	    0, DDI_PSEUDO, NULL) == DDI_FAILURE ||
+	    dtrace_register("lx-syscall", &lx_systrace_attr,
+	    DTRACE_PRIV_USER, 0, &lx_systrace_pops, NULL,
+	    &lx_systrace_id) != 0) {
+		ddi_remove_minor_node(devi, NULL);
+		return (DDI_FAILURE);
+	}
+
+	ddi_report_dev(devi);
+	lx_systrace_devi = devi;
+
+	/*
+	 * Initialize the 32-bit table.
+	 */
+	VERIFY(lx_nsysent32 > 0);
+	lx_systrace_nsysent32 = lx_nsysent32;
+	lx_systrace_sysent32 = kmem_zalloc(lx_systrace_nsysent32 *
+	    sizeof (lx_systrace_sysent_t), KM_SLEEP);
+
+	for (i = 0; i < lx_systrace_nsysent32; i++) {
+		lx_systrace_sysent32[i].lss_name = lx_sysent32[i].sy_name;
+		lx_systrace_sysent32[i].lss_entry = DTRACE_IDNONE;
+		lx_systrace_sysent32[i].lss_return = DTRACE_IDNONE;
+	}
+
+#if defined(_LP64)
+	/*
+	 * Initialize the 64-bit table.
+	 */
+	VERIFY(lx_nsysent64 > 0);
+	lx_systrace_nsysent64 = lx_nsysent64;
+	lx_systrace_sysent64 = kmem_zalloc(lx_systrace_nsysent64 *
+	    sizeof (lx_systrace_sysent_t), KM_SLEEP);
+
+	for (i = 0; i < lx_systrace_nsysent64; i++) {
+		lx_systrace_sysent64[i].lss_name = lx_sysent64[i].sy_name;
+		lx_systrace_sysent64[i].lss_entry = DTRACE_IDNONE;
+		lx_systrace_sysent64[i].lss_return = DTRACE_IDNONE;
+	}
+#endif
+
+	/*
+	 * Install probe triggers.
+	 */
+	lx_systrace_entry_ptr = lx_systrace_entry;
+	lx_systrace_return_ptr = lx_systrace_return;
+
+	return (DDI_SUCCESS);
+}
+
+/*ARGSUSED*/
+static int
+lx_systrace_detach(dev_info_t *devi, ddi_detach_cmd_t cmd)
+{
+	switch (cmd) {
+	case DDI_DETACH:
+		break;
+	case DDI_SUSPEND:
+		return (DDI_SUCCESS);
+	default:
+		return (DDI_FAILURE);
+	}
+
+	if (dtrace_unregister(lx_systrace_id) != 0)
+		return (DDI_FAILURE);
+
+	/*
+	 * Free tables.
+	 */
+	kmem_free(lx_systrace_sysent32, lx_systrace_nsysent32 *
+	    sizeof (lx_systrace_sysent_t));
+	lx_systrace_sysent32 = NULL;
+	lx_systrace_nsysent32 = 0;
+
+#if defined(_LP64)
+	kmem_free(lx_systrace_sysent64, lx_systrace_nsysent64 *
+	    sizeof (lx_systrace_sysent_t));
+	lx_systrace_sysent64 = NULL;
+	lx_systrace_nsysent64 = 0;
+#endif
+
+	/*
+	 * Reset probe triggers.
+	 */
+	lx_systrace_entry_ptr = NULL;
+	lx_systrace_return_ptr = NULL;
+
+	return (DDI_SUCCESS);
+}
+
+/*ARGSUSED*/
+static int
+lx_systrace_open(dev_t *devp, int flag, int otyp, cred_t *cred_p)
+{
+	return (0);
+}
+
+static struct cb_ops lx_systrace_cb_ops = {
+	lx_systrace_open,	/* open */
+	nodev,			/* close */
+	nulldev,		/* strategy */
+	nulldev,		/* print */
+	nodev,			/* dump */
+	nodev,			/* read */
+	nodev,			/* write */
+	nodev,			/* ioctl */
+	nodev,			/* devmap */
+	nodev,			/* mmap */
+	nodev,			/* segmap */
+	nochpoll,		/* poll */
+	ddi_prop_op,		/* cb_prop_op */
+	0,			/* streamtab */
+	D_NEW | D_MP		/* Driver compatibility flag */
+};
+
+static struct dev_ops lx_systrace_ops = {
+	DEVO_REV,		/* devo_rev */
+	0,			/* refcnt */
+	ddi_getinfo_1to1,	/* get_dev_info */
+	nulldev,		/* identify */
+	nulldev,		/* probe */
+	lx_systrace_attach,	/* attach */
+	lx_systrace_detach,	/* detach */
+	nodev,			/* reset */
+	&lx_systrace_cb_ops,	/* driver operations */
+	NULL,			/* bus operations */
+	nodev,			/* dev power */
+	ddi_quiesce_not_needed,		/* quiesce */
+};
+
+/*
+ * Module linkage information for the kernel.
+ */
+static struct modldrv modldrv = {
+	&mod_driverops,		/* module type (this is a pseudo driver) */
+	"Linux Brand System Call Tracing", /* name of module */
+	&lx_systrace_ops	/* driver ops */
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1,
+	(void *)&modldrv,
+	NULL
+};
+
+int
+_init(void)
+{
+	return (mod_install(&modlinkage));
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	return (mod_remove(&modlinkage));
+}
diff --git a/usr/src/uts/common/brand/lx/dtrace/lx_systrace.conf b/usr/src/uts/common/brand/lx/dtrace/lx_systrace.conf
new file mode 100644
index 0000000000..e4499c8a5b
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/dtrace/lx_systrace.conf
@@ -0,0 +1,27 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+#ident	"%Z%%M%	%I%	%E% SMI"
+
+name="lx_systrace" parent="pseudo" instance=0;
diff --git a/usr/src/uts/common/brand/lx/io/lx_audio.c b/usr/src/uts/common/brand/lx/io/lx_audio.c
new file mode 100644
index 0000000000..e8c6234d92
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/io/lx_audio.c
@@ -0,0 +1,1996 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+#include <sys/audio.h>
+#include <sys/conf.h>
+#include <sys/debug.h>
+#include <sys/disp.h>
+#include <sys/ddi.h>
+#include <sys/file.h>
+#include <sys/id_space.h>
+#include <sys/kmem.h>
+#include <sys/lx_audio.h>
+#include <sys/mixer.h>
+#include <sys/modhash.h>
+#include <sys/stat.h>
+#include <sys/sunddi.h>
+#include <sys/sunldi.h>
+#include <sys/sysmacros.h>
+#include <sys/stropts.h>
+#include <sys/types.h>
+#include <sys/zone.h>
+
+/* Properties used by the lx_audio driver */
+#define	LXA_PROP_INPUTDEV		"inputdev"
+#define	LXA_PROP_OUTPUTDEV		"outputdev"
+
+/* default device paths used by this driver */
+#define	LXA_DEV_DEFAULT			"/dev/audio"
+#define	LXA_DEV_CUSTOM_DIR		"/dev/sound/"
+
+/* maximum possible number of concurrent opens of this driver */
+#define	LX_AUDIO_MAX_OPENS		1024
+
+/*
+ * these are default fragment size and fragment count values.
+ * these values were chosen to make quake work well on my
+ * laptop: 2Ghz Pentium M + NVIDIA GeForce Go 6400.
+ *
+ * for reference:
+ * - 1 sec of stereo output at 44Khz is about 171 Kb of data
+ * - 1 sec of mono output at 8Khz is about 8Kb of data
+ */
+#define	LXA_OSS_FRAG_SIZE		(1024)	/* 1/8 sec at 8Khz mono */
+#define	LXA_OSS_FRAG_CNT		(1024 * 2)
+
+/* maximum ammount of fragment memory we'll allow a process to mmap */
+#define	LXA_OSS_FRAG_MEM		(1024 * 1024 * 2) /* 2Mb */
+
+/* forward declarations */
+typedef struct lxa_state lxa_state_t;
+typedef struct lxa_zstate lxa_zstate_t;
+
+/*
+ * Structure and enum declarations
+ */
+typedef enum {
+	LXA_TYPE_INVALID	= 0,
+	LXA_TYPE_AUDIO		= 1,	/* audio device */
+	LXA_TYPE_AUDIOCTL	= 2	/* audio control/mixer device */
+} lxa_dev_type_t;
+
+struct lxa_zstate {
+	char			*lxa_zs_zonename;
+
+	/*
+	 * we could store the input/output audio device setting here,
+	 * but instead we're keeing them as device node properties
+	 * so that a user can easily see the audio configuration for
+	 * a zone via prtconf.
+	 */
+
+	/*
+	 * OSS doesn't support multiple opens of the audio device.
+	 * (multiple opens of the mixer device are supported.)
+	 * so here we'll keep a pointer to any open input/output
+	 * streams.  (OSS does support two opens if one is for input
+	 * and the other is for output.)
+	 */
+	lxa_state_t		*lxa_zs_istate;
+	lxa_state_t		*lxa_zs_ostate;
+
+	/*
+	 * we need to cache channel gain and balance.  channel gain and
+	 * balance map to PCM volume in OSS, which are supposedly a property
+	 * of the underlying hardware.  but in solaris, channels are
+	 * implemented in software and only exist when an audio device
+	 * is actually open.  (each open returns a unique channel.)  OSS
+	 * apps will expect consistent PCM volume set/get operations to
+	 * work even if no audio device is open.  hence, if no underlying
+	 * device is open we need to cache the gain and balance setting.
+	 */
+	lxa_mixer_levels_t	lxa_zs_pcm_levels;
+};
+
+struct lxa_state {
+	lxa_zstate_t	*lxas_zs;	/* zone state pointer */
+
+	dev_t		lxas_dev_old;	/* dev_t used to open the device */
+	dev_t		lxas_dev_new;	/* new dev_t assigned to an open */
+	int		lxas_flags;	/* original flags passed to open */
+	lxa_dev_type_t	lxas_type;	/* type of device that was opened */
+
+	int		lxas_devs_same;	/* input and output device the same? */
+
+	/* input device variables */
+	ldi_handle_t	lxas_idev_lh;		/* ldi handle for access */
+	int		lxas_idev_flags;	/* flags used for open */
+
+	/* output device variables */
+	ldi_handle_t	lxas_odev_lh;		/* ldi handle for access */
+	int		lxas_odev_flags;	/* flags used for open */
+
+	/*
+	 * since we support multiplexing of devices we need to remember
+	 * certain parameters about the devices
+	 */
+	uint_t		lxas_hw_features;
+	uint_t		lxas_sw_features;
+
+	uint_t		lxas_frag_size;
+	uint_t		lxas_frag_cnt;
+
+	/*
+	 * members needed to support mmap device access.  note that to
+	 * simplifly things we only support one mmap access per open.
+	 */
+	ddi_umem_cookie_t	lxas_umem_cookie;
+	char			*lxas_umem_ptr;
+	size_t			lxas_umem_len;
+	kthread_t		*lxas_mmap_thread;
+	int			lxas_mmap_thread_running;
+	int			lxas_mmap_thread_exit;
+	int			lxas_mmap_thread_frag;
+};
+
+/*
+ * Global variables
+ */
+dev_info_t	*lxa_dip = NULL;
+kmutex_t	lxa_lock;
+id_space_t	*lxa_minor_id = NULL;
+mod_hash_t	*lxa_state_hash = NULL;
+mod_hash_t	*lxa_zstate_hash = NULL;
+size_t		lxa_state_hash_size = 15;
+size_t		lxa_zstate_hash_size = 15;
+size_t		lxa_registered_zones = 0;
+
+/*
+ * function declarations
+ */
+static void lxa_mmap_output_disable(lxa_state_t *);
+
+/*
+ * functions
+ */
+static void
+lxa_state_close(lxa_state_t *lxa_state)
+{
+	lxa_zstate_t		*lxa_zs = lxa_state->lxas_zs;
+	minor_t			minor = getminor(lxa_state->lxas_dev_new);
+
+	/* disable any mmap output that might still be going on */
+	lxa_mmap_output_disable(lxa_state);
+
+	/*
+	 * if this was the active input/output device, unlink it from
+	 * the global zone state so that other opens of the audio device
+	 * can now succeed.
+	 */
+	mutex_enter(&lxa_lock);
+	if (lxa_zs->lxa_zs_istate == lxa_state)
+		lxa_zs->lxa_zs_istate = NULL;
+	if (lxa_zs->lxa_zs_ostate == lxa_state) {
+		lxa_zs->lxa_zs_ostate = NULL;
+	}
+	mutex_exit(&lxa_lock);
+
+	/* remove this state structure from the hash (if it's there) */
+	(void) mod_hash_remove(lxa_state_hash,
+	    (mod_hash_key_t)(uintptr_t)minor, (mod_hash_val_t *)&lxa_state);
+
+	/* close any audio device that we have open */
+	if (lxa_state->lxas_idev_lh != NULL)
+		(void) ldi_close(lxa_state->lxas_idev_lh,
+		    lxa_state->lxas_idev_flags, kcred);
+	if (lxa_state->lxas_odev_lh != NULL)
+		(void) ldi_close(lxa_state->lxas_odev_lh,
+		    lxa_state->lxas_odev_flags, kcred);
+
+	/* free up any memory allocated by mmaps */
+	if (lxa_state->lxas_umem_cookie != NULL)
+		ddi_umem_free(lxa_state->lxas_umem_cookie);
+
+	/* release the id associated with this state structure */
+	id_free(lxa_minor_id, minor);
+
+	kmem_free(lxa_state, sizeof (*lxa_state));
+}
+
+static char *
+getzonename(void)
+{
+	return (curproc->p_zone->zone_name);
+}
+
+static char *
+lxa_devprop_name(char *zname, char *pname)
+{
+	char	*zpname;
+	int	n;
+
+	ASSERT((pname != NULL) && (zname != NULL));
+
+	/* prepend the zone name to the property name */
+	n = snprintf(NULL, 0, "%s_%s", zname, pname) + 1;
+	zpname = kmem_alloc(n, KM_SLEEP);
+	(void) snprintf(zpname, n, "%s_%s", zname, pname);
+
+	return (zpname);
+}
+
+static int
+lxa_devprop_verify(char *pval)
+{
+	int	n;
+
+	ASSERT(pval != NULL);
+
+	if (strcmp(pval, "default") == 0)
+		return (0);
+
+	/* make sure the value is an integer */
+	for (n = 0; pval[n] != '\0'; n++) {
+		if ((pval[n] < '0') && (pval[n] > '9')) {
+			return (-1);
+		}
+	}
+
+	return (0);
+}
+
+static char *
+lxa_devprop_lookup(char *zname, char *pname, lxa_dev_type_t lxa_type)
+{
+	char		*zprop_name, *pval;
+	char		*dev_path;
+	int		n, rv;
+
+	ASSERT((pname != NULL) && (zname != NULL));
+	ASSERT((lxa_type == LXA_TYPE_AUDIO) || (lxa_type == LXA_TYPE_AUDIOCTL));
+
+	zprop_name = lxa_devprop_name(zname, pname);
+
+	/* attempt to lookup the property */
+	rv = ddi_prop_lookup_string(DDI_DEV_T_ANY, lxa_dip,
+	    DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, zprop_name, &pval);
+	strfree(zprop_name);
+
+	if (rv != DDI_PROP_SUCCESS)
+		return (NULL);
+
+	if (lxa_devprop_verify(pval) != 0) {
+		ddi_prop_free(pval);
+		return (NULL);
+	}
+
+	if (strcmp(pval, "none") == 0) {
+		/* there is no audio device specified */
+		return (NULL);
+	} else if (strcmp(pval, "default") == 0) {
+		/* use the default audio device on the system */
+		dev_path = strdup(LXA_DEV_DEFAULT);
+	} else {
+		/* a custom audio device was specified, generate a path */
+		n = snprintf(NULL, 0, "%s%s", LXA_DEV_CUSTOM_DIR, pval) + 1;
+		dev_path = kmem_alloc(n, KM_SLEEP);
+		(void) snprintf(dev_path, n, "%s%s", LXA_DEV_CUSTOM_DIR, pval);
+	}
+	ddi_prop_free(pval);
+
+	/*
+	 * if this is an audio control device so we need to append
+	 * "ctl" to the path
+	 */
+	if (lxa_type == LXA_TYPE_AUDIOCTL) {
+		char	*tmp;
+		n = snprintf(NULL, 0, "%s%s", dev_path, "ctl") + 1;
+		tmp = kmem_alloc(n, KM_SLEEP);
+		(void) snprintf(tmp, n, "%s%s", dev_path, "ctl");
+		strfree(dev_path);
+		dev_path = tmp;
+	}
+
+	return (dev_path);
+}
+
+static int
+lxa_dev_getfeatures(lxa_state_t *lxa_state)
+{
+	audio_info_t	ai_idev, ai_odev;
+	int		n, rv;
+
+	/* set a default fragment size */
+	lxa_state->lxas_frag_size = LXA_OSS_FRAG_SIZE;
+	lxa_state->lxas_frag_cnt = LXA_OSS_FRAG_CNT;
+
+	/* get info for the currently open audio devices */
+	if ((lxa_state->lxas_idev_lh != NULL) &&
+	    ((rv = ldi_ioctl(lxa_state->lxas_idev_lh,
+	    AUDIO_GETINFO, (intptr_t)&ai_idev, FKIOCTL, kcred, &n)) != 0))
+		return (rv);
+	if ((lxa_state->lxas_odev_lh != NULL) &&
+	    ((rv = ldi_ioctl(lxa_state->lxas_odev_lh,
+	    AUDIO_GETINFO, (intptr_t)&ai_odev, FKIOCTL, kcred, &n)) != 0))
+		return (rv);
+
+	/* if we're only open for reading or writing then it's easy */
+	if (lxa_state->lxas_idev_lh == NULL) {
+		lxa_state->lxas_sw_features = ai_odev.sw_features;
+		lxa_state->lxas_hw_features = ai_odev.hw_features;
+		return (0);
+	} else if (lxa_state->lxas_odev_lh == NULL) {
+		lxa_state->lxas_sw_features = ai_idev.sw_features;
+		lxa_state->lxas_hw_features = ai_idev.hw_features;
+		return (0);
+	}
+
+	/*
+	 * well if we're open for reading and writing but the underlying
+	 * device is the same then it's also pretty easy
+	 */
+	if (lxa_state->lxas_devs_same) {
+		if ((ai_odev.sw_features != ai_idev.sw_features) ||
+		    (ai_odev.hw_features != ai_idev.hw_features)) {
+			zcmn_err(getzoneid(), CE_WARN, "lx_audio error: "
+			    "audio device reported inconsistent features");
+			return (EIO);
+		}
+		lxa_state->lxas_sw_features = ai_odev.sw_features;
+		lxa_state->lxas_hw_features = ai_odev.hw_features;
+		return (0);
+	}
+
+	/*
+	 * figure out which software features we're going to support.
+	 * we will report a feature as supported if both the input
+	 * and output device support it.
+	 */
+	lxa_state->lxas_sw_features = 0;
+	n = ai_idev.sw_features & ai_odev.sw_features;
+	if (n & AUDIO_SWFEATURE_MIXER)
+		lxa_state->lxas_sw_features |= AUDIO_SWFEATURE_MIXER;
+
+	/*
+	 * figure out which hardware features we're going to support.
+	 * for a first pass we will report a feature as supported if
+	 * both the input and output device support it.
+	 */
+	lxa_state->lxas_hw_features = 0;
+	n = ai_idev.hw_features & ai_odev.hw_features;
+	if (n & AUDIO_HWFEATURE_MSCODEC)
+		lxa_state->lxas_hw_features |= AUDIO_HWFEATURE_MSCODEC;
+
+	/*
+	 * if we made it here then we have different audio input and output
+	 * devices.  this will allow us to report support for additional
+	 * hardware features that may not supported by just the input or
+	 * output device alone.
+	 */
+
+	/* always report tha we support both playback and recording */
+	lxa_state->lxas_hw_features =
+	    AUDIO_HWFEATURE_PLAY | AUDIO_HWFEATURE_RECORD;
+
+	/* always report full duplex support */
+	lxa_state->lxas_hw_features = AUDIO_HWFEATURE_DUPLEX;
+
+	/* never report that we have input to output loopback support */
+	ASSERT((lxa_state->lxas_hw_features & AUDIO_HWFEATURE_IN2OUT) == 0);
+	return (0);
+}
+
+static int
+lxa_dev_open(lxa_state_t *lxa_state)
+{
+	char		*idev, *odev;
+	int		flags, rv;
+	ldi_handle_t	lh;
+	ldi_ident_t	li = NULL;
+
+	ASSERT((lxa_state->lxas_type == LXA_TYPE_AUDIO) ||
+	    (lxa_state->lxas_type == LXA_TYPE_AUDIOCTL));
+
+	/*
+	 * check if we have configuration properties for this zone.
+	 * if we don't then audio isn't supported in this zone.
+	 */
+	idev = lxa_devprop_lookup(getzonename(), LXA_PROP_INPUTDEV,
+	    lxa_state->lxas_type);
+	odev = lxa_devprop_lookup(getzonename(), LXA_PROP_OUTPUTDEV,
+	    lxa_state->lxas_type);
+
+	/* make sure there is at least one device to read from or write to */
+	if ((idev == NULL) && (odev == NULL))
+		return (ENODEV);
+
+	/* see if the input and output devices are actually the same device */
+	if (((idev != NULL) && (odev != NULL)) &&
+	    (strcmp(idev, odev) == 0))
+		lxa_state->lxas_devs_same = 1;
+
+	/* we don't respect FEXCL */
+	flags = lxa_state->lxas_flags & ~FEXCL;
+	if (lxa_state->lxas_type == LXA_TYPE_AUDIO) {
+		/*
+		 * if we're opening audio devices then we need to muck
+		 * with the FREAD/FWRITE flags.
+		 *
+		 * certain audio device may only support input or output
+		 * (but not both.)  so if we're multiplexing input/output
+		 * to different devices we need to make sure we don't try
+		 * and open the output device for reading and the input
+		 * device for writing.
+		 *
+		 * if we're using the same device for input/output we still
+		 * need to do this because some audio devices won't let
+		 * themselves be opened multiple times for read access.
+		 */
+		lxa_state->lxas_idev_flags = flags & ~FWRITE;
+		lxa_state->lxas_odev_flags = flags & ~FREAD;
+
+		/* make sure we have devices to read from and write to */
+		if (((flags & FREAD) && (idev == NULL)) ||
+		    ((flags & FWRITE) && (odev == NULL))) {
+			rv = ENODEV;
+			goto out;
+		}
+	} else {
+		lxa_state->lxas_idev_flags = lxa_state->lxas_odev_flags = flags;
+	}
+
+	/* get an ident to open the devices */
+	if (ldi_ident_from_dev(lxa_state->lxas_dev_new, &li) != 0) {
+		rv = ENODEV;
+		goto out;
+	}
+
+	/* open the input device */
+	lxa_state->lxas_idev_lh = NULL;
+	if (((lxa_state->lxas_type == LXA_TYPE_AUDIOCTL) ||
+	    (lxa_state->lxas_idev_flags & FREAD)) &&
+	    (idev != NULL)) {
+		rv = ldi_open_by_name(idev, lxa_state->lxas_idev_flags,
+		    kcred, &lh, li);
+		if (rv != 0) {
+			zcmn_err(getzoneid(), CE_WARN, "lxa_open_dev: "
+			    "unable to open audio device: %s", idev);
+			zcmn_err(getzoneid(), CE_WARN, "lxa_open_dev: "
+			    "possible zone audio configuration error");
+			goto out;
+		}
+		lxa_state->lxas_idev_lh = lh;
+	}
+
+	/* open the output device */
+	lxa_state->lxas_odev_lh = NULL;
+	if (((lxa_state->lxas_type == LXA_TYPE_AUDIOCTL) ||
+	    (lxa_state->lxas_odev_flags & FWRITE)) &&
+	    (odev != NULL)) {
+		rv = ldi_open_by_name(odev, lxa_state->lxas_odev_flags,
+		    kcred, &lh, li);
+		if (rv != 0) {
+			/*
+			 * If this open failed and we previously opened an
+			 * input device, it is the responsibility of the
+			 * caller to close that device after we return
+			 * failure here.
+			 */
+			zcmn_err(getzoneid(), CE_WARN, "lxa_open_dev: "
+			    "unable to open audio device: %s", odev);
+			zcmn_err(getzoneid(), CE_WARN, "lxa_open_dev: "
+			    "possible zone audio configuration error");
+			goto out;
+		}
+		lxa_state->lxas_odev_lh = lh;
+	}
+
+	/* free up stuff */
+out:
+	if (li != NULL)
+		ldi_ident_release(li);
+	if (idev != NULL)
+		strfree(idev);
+	if (odev != NULL)
+		strfree(odev);
+
+	return (rv);
+}
+
+void
+lxa_mmap_thread_exit(lxa_state_t *lxa_state)
+{
+	mutex_enter(&lxa_lock);
+	lxa_state->lxas_mmap_thread = NULL;
+	lxa_state->lxas_mmap_thread_frag = 0;
+	lxa_state->lxas_mmap_thread_running = 0;
+	lxa_state->lxas_mmap_thread_exit = 0;
+	mutex_exit(&lxa_lock);
+	thread_exit();
+	/*NOTREACHED*/
+}
+
+void
+lxa_mmap_thread(lxa_state_t *lxa_state)
+{
+	struct uio	uio, uio_null;
+	iovec_t		iovec, iovec_null;
+	uint_t		bytes_per_sec, usec_per_frag, ticks_per_frag;
+	int		rv, junk, eof, retry;
+	audio_info_t	ai;
+
+	/* we better be setup for writing to the output device */
+	ASSERT((lxa_state->lxas_flags & FWRITE) != 0);
+	ASSERT(lxa_state->lxas_odev_lh != NULL);
+
+	/* setup a uio to output one fragment */
+	uio.uio_iov = &iovec;
+	uio.uio_iovcnt = 1;
+	uio.uio_offset = 0;
+	uio.uio_segflg = UIO_SYSSPACE;
+	uio.uio_fmode = 0;
+	uio.uio_extflg = 0;
+	uio.uio_llimit = MAXOFFSET_T;
+
+	/* setup a uio to output a eof (a fragment with a length of 0) */
+	uio_null.uio_iov = &iovec_null;
+	uio_null.uio_iov->iov_len = 0;
+	uio_null.uio_iov->iov_base = NULL;
+	uio_null.uio_iovcnt = 1;
+	uio_null.uio_offset = 0;
+	uio_null.uio_segflg = UIO_SYSSPACE;
+	uio_null.uio_fmode = 0;
+	uio_null.uio_extflg = 0;
+	uio_null.uio_llimit = MAXOFFSET_T;
+	uio_null.uio_resid = 0;
+
+lxa_mmap_thread_top:
+	ASSERT(!MUTEX_HELD(&lxa_lock));
+
+	/* first drain any pending audio output */
+	if ((rv = ldi_ioctl(lxa_state->lxas_odev_lh,
+	    AUDIO_DRAIN, NULL, FKIOCTL, kcred, &junk)) != 0) {
+		cmn_err(CE_WARN, "lxa_mmap_thread: "
+		    "AUDIO_DRAIN failed, aborting audio output");
+		lxa_mmap_thread_exit(lxa_state);
+		/*NOTREACHED*/
+	}
+
+	/*
+	 * we depend on the ai.play.eof value to keep track of
+	 * audio output progress so reset it here.
+	 */
+	AUDIO_INITINFO(&ai);
+	ai.play.eof = 0;
+	if ((rv = ldi_ioctl(lxa_state->lxas_odev_lh,
+	    AUDIO_SETINFO, (intptr_t)&ai, FKIOCTL, kcred, &junk)) != 0) {
+		cmn_err(CE_WARN, "lxa_mmap_thread: "
+		    "AUDIO_SETINFO failed, aborting audio output");
+		lxa_mmap_thread_exit(lxa_state);
+		/*NOTREACHED*/
+	}
+
+	/*
+	 * we're going to need to know the sampling rate and number
+	 * of output channels to estimate how long we can sleep between
+	 * requests.
+	 */
+	if ((rv = ldi_ioctl(lxa_state->lxas_odev_lh, AUDIO_GETINFO,
+	    (intptr_t)&ai, FKIOCTL, kcred, &junk)) != 0) {
+		cmn_err(CE_WARN, "lxa_mmap_thread: "
+		    "AUDIO_GETINFO failed, aborting audio output");
+		lxa_mmap_thread_exit(lxa_state);
+		/*NOTREACHED*/
+	}
+
+	/* estimate how many ticks it takes to output a fragment of data */
+	bytes_per_sec = (ai.play.sample_rate * ai.play.channels *
+	    ai.play.precision) / 8;
+	usec_per_frag = MICROSEC * lxa_state->lxas_frag_size / bytes_per_sec;
+	ticks_per_frag = drv_usectohz(usec_per_frag);
+
+	/* queue up three fragments of of data into the output stream */
+	eof = 3;
+
+	/* sanity check the eof value */
+	ASSERT(ai.play.eof == 0);
+	ai.play.eof = 0;
+
+	/* we always start audio output at fragment 0 */
+	mutex_enter(&lxa_lock);
+	lxa_state->lxas_mmap_thread_frag = 0;
+
+	/*
+	 * we shouldn't have allowed the mapping if it isn't a multiple
+	 * of the fragment size
+	 */
+	ASSERT((lxa_state->lxas_umem_len % lxa_state->lxas_frag_size) == 0);
+
+	while (!lxa_state->lxas_mmap_thread_exit) {
+		size_t start, end;
+
+		/*
+		 * calculate the start and ending offsets of the next
+		 * fragment to output
+		 */
+		start = lxa_state->lxas_mmap_thread_frag *
+		    lxa_state->lxas_frag_size;
+		end = start + lxa_state->lxas_frag_size;
+
+		ASSERT(start < lxa_state->lxas_umem_len);
+		ASSERT(end <= lxa_state->lxas_umem_len);
+
+		/* setup the uio to output one fragment of audio */
+		uio.uio_resid = end - start;
+		uio.uio_iov->iov_len = end - start;
+		uio.uio_iov->iov_base = &lxa_state->lxas_umem_ptr[start];
+
+		/* increment the current fragment index */
+		lxa_state->lxas_mmap_thread_frag =
+		    (lxa_state->lxas_mmap_thread_frag + 1) %
+		    (lxa_state->lxas_umem_len / lxa_state->lxas_frag_size);
+
+		/* drop the audio lock before actually outputting data */
+		mutex_exit(&lxa_lock);
+
+		/*
+		 * write the fragment of audio data to the device stream
+		 * then write a eof to the stream to tell the device to
+		 * increment ai.play.eof when it's done processing the
+		 * fragment we just wrote
+		 */
+		if ((rv = ldi_write(lxa_state->lxas_odev_lh,
+		    &uio, kcred)) != 0) {
+			cmn_err(CE_WARN, "lxa_mmap_thread: "
+			    "ldi_write() failed (%d), "
+			    "resetting audio output", rv);
+			goto lxa_mmap_thread_top;
+		}
+		if ((rv = ldi_write(lxa_state->lxas_odev_lh,
+		    &uio_null, kcred)) != 0) {
+			cmn_err(CE_WARN, "lxa_mmap_thread: "
+			    "ldi_write(eof) failed (%d), "
+			    "resetting audio output", rv);
+			goto lxa_mmap_thread_top;
+		}
+
+		/*
+		 * we want to avoid buffer underrun so ensure that
+		 * there is always at least one fragment of data in the
+		 * output stream.
+		 */
+		mutex_enter(&lxa_lock);
+		if (--eof > 0) {
+			continue;
+		}
+
+		/*
+		 * now we wait until the audio device has finished outputting
+		 * at least one fragment of data.
+		 */
+		retry = 0;
+		while (!lxa_state->lxas_mmap_thread_exit && (eof == 0)) {
+			uint_t ai_eof_old = ai.play.eof;
+
+			mutex_exit(&lxa_lock);
+
+			/*
+			 * delay for the number of ticks it takes
+			 * to output one fragment of data
+			 */
+			if (ticks_per_frag > 0)
+				delay(ticks_per_frag);
+
+			/* check if we've managed to output any fragments */
+			if ((rv = ldi_ioctl(lxa_state->lxas_odev_lh,
+			    AUDIO_GETINFO, (intptr_t)&ai,
+			    FKIOCTL, kcred, &junk)) != 0) {
+				cmn_err(CE_WARN, "lxa_mmap_thread: "
+				    "AUDIO_GETINFO failed (%d), "
+				    "resetting audio output", rv);
+				/* re-start mmap audio output */
+				goto lxa_mmap_thread_top;
+			}
+
+			if (ai_eof_old == ai.play.eof) {
+				/* institute a random retry limit */
+				if (retry++ < 100) {
+					mutex_enter(&lxa_lock);
+					continue;
+				}
+				cmn_err(CE_WARN, "lxa_mmap_thread: "
+				    "output stalled, "
+				    "resetting audio output");
+				/* re-start mmap audio output */
+				goto lxa_mmap_thread_top;
+			}
+
+			if (ai.play.eof > ai_eof_old) {
+				eof = ai.play.eof - ai_eof_old;
+			} else {
+				/* eof counter wrapped around */
+				ASSERT(ai_eof_old < ai.play.eof);
+				eof = ai.play.eof + (ai_eof_old - UINTMAX_MAX);
+			}
+			/* we're done with this loop so re-aquire the lock */
+			ASSERT(eof != 0);
+			mutex_enter(&lxa_lock);
+		}
+	}
+	mutex_exit(&lxa_lock);
+	lxa_mmap_thread_exit(lxa_state);
+	/*NOTREACHED*/
+}
+
+static void
+lxa_mmap_output_disable(lxa_state_t *lxa_state)
+{
+	kt_did_t tid;
+
+	mutex_enter(&lxa_lock);
+
+	/* if the output thread isn't running there's nothing to do */
+	if (lxa_state->lxas_mmap_thread_running == 0) {
+		mutex_exit(&lxa_lock);
+		return;
+	}
+
+	/* tell the pcm mmap output thread to exit */
+	lxa_state->lxas_mmap_thread_exit = 1;
+
+	/* wait for the mmap output thread to exit */
+	tid = lxa_state->lxas_mmap_thread->t_did;
+	mutex_exit(&lxa_lock);
+	thread_join(tid);
+}
+
+static void
+lxa_mmap_output_enable(lxa_state_t *lxa_state)
+{
+	mutex_enter(&lxa_lock);
+
+	/* if the output thread is already running there's nothing to do */
+	if (lxa_state->lxas_mmap_thread_running != 0) {
+		mutex_exit(&lxa_lock);
+		return;
+	}
+
+	/* setup output state */
+	lxa_state->lxas_mmap_thread_running = 1;
+	lxa_state->lxas_mmap_thread_exit = 0;
+	lxa_state->lxas_mmap_thread_frag = 0;
+
+	/* kick off a thread to do the mmap pcm output */
+	lxa_state->lxas_mmap_thread = thread_create(NULL, 0,
+	    (void (*)())lxa_mmap_thread, lxa_state,
+	    0, &p0, TS_RUN, minclsyspri);
+	ASSERT(lxa_state->lxas_mmap_thread != NULL);
+
+	mutex_exit(&lxa_lock);
+}
+
+static int
+lxa_ioc_mmap_output(lxa_state_t *lxa_state, intptr_t arg, int mode)
+{
+	uint_t	trigger;
+
+	/* we only support output via mmap */
+	if ((lxa_state->lxas_flags & FWRITE) == 0)
+		return (EINVAL);
+
+	/* if the user hasn't mmap the device then there's nothing to do */
+	if (lxa_state->lxas_umem_cookie == NULL)
+		return (EINVAL);
+
+	/* copy in the request */
+	if (ddi_copyin((void *)arg, &trigger, sizeof (trigger), mode) != 0)
+		return (EFAULT);
+
+	/* a zero value disables output */
+	if (trigger == 0) {
+		lxa_mmap_output_disable(lxa_state);
+		return (0);
+	}
+
+	/* a non-zero value enables output */
+	lxa_mmap_output_enable(lxa_state);
+	return (0);
+}
+
+static int
+lxa_ioc_mmap_ptr(lxa_state_t *lxa_state, intptr_t arg, int mode)
+{
+	int	ptr;
+
+	/* we only support output via mmap */
+	if ((lxa_state->lxas_flags & FWRITE) == 0)
+		return (EINVAL);
+
+	/* if the user hasn't mmap the device then there's nothing to do */
+	if (lxa_state->lxas_umem_cookie == NULL)
+		return (EINVAL);
+
+	/* if the output thread isn't running then there's nothing to do */
+	if (lxa_state->lxas_mmap_thread_running == 0)
+		return (EINVAL);
+
+	mutex_enter(&lxa_lock);
+	ptr = lxa_state->lxas_mmap_thread_frag * lxa_state->lxas_frag_size;
+	mutex_exit(&lxa_lock);
+
+	if (ddi_copyout(&ptr, (void *)arg, sizeof (ptr), mode) != 0)
+		return (EFAULT);
+
+	return (0);
+}
+
+static int
+lxa_ioc_get_frag_info(lxa_state_t *lxa_state, intptr_t arg, int mode)
+{
+	lxa_frag_info_t	fi;
+
+	fi.lxa_fi_size = lxa_state->lxas_frag_size;
+	fi.lxa_fi_cnt = lxa_state->lxas_frag_cnt;
+
+	if (ddi_copyout(&fi, (void *)arg, sizeof (fi), mode) != 0)
+		return (EFAULT);
+
+	return (0);
+}
+
+static int
+lxa_ioc_set_frag_info(lxa_state_t *lxa_state, intptr_t arg, int mode)
+{
+	lxa_frag_info_t	fi;
+
+	/* if the device is mmaped we can't change the fragment settings */
+	if (lxa_state->lxas_umem_cookie != NULL)
+		return (EINVAL);
+
+	/* copy in the request */
+	if (ddi_copyin((void *)arg, &fi, sizeof (fi), mode) != 0)
+		return (EFAULT);
+
+	/* do basic bounds checking */
+	if ((fi.lxa_fi_cnt == 0) || (fi.lxa_fi_size < 16))
+		return (EINVAL);
+
+	/* don't accept size values less than 16 */
+
+	lxa_state->lxas_frag_size = fi.lxa_fi_size;
+	lxa_state->lxas_frag_cnt = fi.lxa_fi_cnt;
+
+	return (0);
+}
+
+static int
+lxa_audio_drain(lxa_state_t *lxa_state)
+{
+	int	junk;
+
+	/* only applies to output buffers */
+	if (lxa_state->lxas_odev_lh == NULL)
+		return (EINVAL);
+
+	/* can't fail so ignore the return value */
+	(void) ldi_ioctl(lxa_state->lxas_odev_lh, AUDIO_DRAIN, NULL,
+	    FKIOCTL, kcred, &junk);
+	return (0);
+}
+
+/*
+ * lxa_audio_info_merge() usage notes:
+ *
+ * - it's important to make sure NOT to get the ai_idev and ai_odev
+ *   parameters mixed up when calling lxa_audio_info_merge().
+ *
+ * - it's important for the caller to make sure that AUDIO_GETINFO
+ *   was called for the input device BEFORE the output device.  (see
+ *   the comments for merging the monitor_gain setting to see why.)
+ */
+static void
+lxa_audio_info_merge(lxa_state_t *lxa_state,
+    audio_info_t *ai_idev, audio_info_t *ai_odev, audio_info_t *ai_merged)
+{
+	/* if we're not setup for output return the intput device info */
+	if (lxa_state->lxas_odev_lh == NULL) {
+		*ai_merged = *ai_idev;
+		return;
+	}
+
+	/* if we're not setup for input return the output device info */
+	if (lxa_state->lxas_idev_lh == NULL) {
+		*ai_merged = *ai_odev;
+		return;
+	}
+
+	/* get record values from the input device */
+	ai_merged->record = ai_idev->record;
+
+	/* get play values from the output device */
+	ai_merged->play = ai_odev->play;
+
+	/* muting status only matters for the output device */
+	ai_merged->output_muted = ai_odev->output_muted;
+
+	/* we don't support device reference counts, always return 1 */
+	ai_merged->ref_cnt = 1;
+
+	/*
+	 * for supported hw/sw features report the combined feature
+	 * set we calcuated out earlier.
+	 */
+	ai_merged->hw_features = lxa_state->lxas_hw_features;
+	ai_merged->sw_features = lxa_state->lxas_sw_features;
+
+	if (!lxa_state->lxas_devs_same) {
+		/*
+		 * if the input and output devices are different
+		 * physical devices then we don't support input to
+		 * output loopback so we always report the input
+		 * to output loopback gain to be zero.
+		 */
+		ai_merged->monitor_gain = 0;
+	} else {
+		/*
+		 * the intput and output devices are actually the
+		 * same physical device.  hence it probably supports
+		 * intput to output loopback.  regardless we should
+		 * pass back the intput to output gain reported by
+		 * the device.  when we pick a value to passback we
+		 * use the output device value since that was
+		 * the most recently queried.  (we base this
+		 * decision on the assumption that io gain is
+		 * actually hardware setting in the device and
+		 * hence if it is changed on one open instance of
+		 * the device the change will be visable to all
+		 * other instances of the device.)
+		 */
+		ai_merged->monitor_gain = ai_odev->monitor_gain;
+	}
+
+	/*
+	 * for currently enabled software features always return the
+	 * merger of the two.  (of course the enabled software features
+	 * for the input and output devices should alway be the same,
+	 * so if it isn't complain.)
+	 */
+	if (ai_idev->sw_features_enabled != ai_odev->sw_features_enabled)
+		zcmn_err(getzoneid(), CE_WARN, "lx_audio: "
+		    "unexpected sofware feature state");
+	ai_merged->sw_features_enabled =
+	    ai_idev->sw_features_enabled & ai_odev->sw_features_enabled;
+}
+
+static int
+lxa_audio_setinfo(lxa_state_t *lxa_state, int cmd, intptr_t arg,
+    int mode)
+{
+	audio_info_t	ai, ai_null, ai_idev, ai_odev;
+	int		rv, junk;
+
+	/* copy in the request */
+	if (ddi_copyin((void *)arg, &ai, sizeof (ai), mode) != 0)
+		return (EFAULT);
+
+	/*
+	 * if the caller is attempting to enable a software feature that
+	 * we didn't report as supported the return an error
+	 */
+	if ((ai.sw_features_enabled != -1) &&
+	    (ai.sw_features_enabled & ~lxa_state->lxas_sw_features))
+		return (EINVAL);
+
+	/*
+	 * if a process has mmaped this device then we don't allow
+	 * changes to the play.eof field (since mmap output depends
+	 * on this field.
+	 */
+	if ((lxa_state->lxas_umem_cookie != NULL) &&
+	    (ai.play.eof != -1))
+		return (EIO);
+
+	/* initialize the new requests */
+	AUDIO_INITINFO(&ai_null);
+	ai_idev = ai_odev = ai;
+
+	/* remove audio input settings from the output device request */
+	ai_odev.record = ai_null.record;
+
+	/* remove audio output settings from the input device request */
+	ai_idev.play = ai_null.play;
+	ai_idev.output_muted = ai_null.output_muted;
+
+	/* apply settings to the intput device */
+	if ((lxa_state->lxas_idev_lh != NULL) &&
+	    ((rv = ldi_ioctl(lxa_state->lxas_idev_lh, cmd,
+	    (intptr_t)&ai_idev, FKIOCTL, kcred, &junk)) != 0))
+		return (rv);
+
+	/* apply settings to the output device */
+	if ((lxa_state->lxas_odev_lh != NULL) &&
+	    ((rv = ldi_ioctl(lxa_state->lxas_odev_lh, cmd,
+	    (intptr_t)&ai_odev, FKIOCTL, kcred, &junk)) != 0))
+		return (rv);
+
+	/*
+	 * a AUDIO_SETINFO call performs an implicit AUDIO_GETINFO to
+	 * return values (see the coments in audioio.h.) so we need
+	 * to combine the values returned from the input and output
+	 * device back into the users buffer.
+	 */
+	lxa_audio_info_merge(lxa_state, &ai_idev, &ai_odev, &ai);
+
+	/* copyout the results */
+	if (ddi_copyout(&ai, (void *)arg, sizeof (ai), mode) != 0) {
+		return (EFAULT);
+	}
+
+	return (0);
+}
+
+static int
+lxa_audio_getinfo(lxa_state_t *lxa_state, intptr_t arg, int mode)
+{
+	audio_info_t	ai, ai_idev, ai_odev;
+	int		rv, junk;
+
+	/* get the settings from the input device */
+	if ((lxa_state->lxas_idev_lh != NULL) &&
+	    ((rv = ldi_ioctl(lxa_state->lxas_idev_lh, AUDIO_GETINFO,
+	    (intptr_t)&ai_idev, FKIOCTL, kcred, &junk)) != 0))
+		return (rv);
+
+	/* get the settings from the output device */
+	if ((lxa_state->lxas_odev_lh != NULL) &&
+	    ((rv = ldi_ioctl(lxa_state->lxas_odev_lh, AUDIO_GETINFO,
+	    (intptr_t)&ai_odev, FKIOCTL, kcred, &junk)) != 0))
+		return (rv);
+
+	/*
+	 * we need to combine the values returned from the input
+	 * and output device back into a single user buffer.
+	 */
+	lxa_audio_info_merge(lxa_state, &ai_idev, &ai_odev, &ai);
+
+	/* copyout the results */
+	if (ddi_copyout(&ai, (void *)arg, sizeof (ai), mode) != 0)
+		return (EFAULT);
+
+	return (0);
+}
+
+static int
+lxa_mixer_ai_from_lh(ldi_handle_t lh, audio_info_t *ai)
+{
+	int		rv, junk;
+
+	ASSERT((lh != NULL) && (ai != NULL));
+
+	/* get the device state and channel state */
+	rv = ldi_ioctl(lh, AUDIO_GETINFO, (intptr_t)ai, FKIOCTL, kcred, &junk);
+
+	return (rv);
+}
+
+static int
+lxa_mixer_get_ai(lxa_state_t *lxa_state, audio_info_t *ai)
+{
+	audio_info_t	ai_idev, ai_odev;
+	int		rv;
+
+	/* if there is no input device, query the output device */
+	if (lxa_state->lxas_idev_lh == NULL)
+		return (lxa_mixer_ai_from_lh(lxa_state->lxas_odev_lh, ai));
+
+	/* if there is no ouput device, query the intput device */
+	if (lxa_state->lxas_odev_lh == NULL)
+		return (lxa_mixer_ai_from_lh(lxa_state->lxas_idev_lh, ai));
+
+	/*
+	 * now get the audio_info and channel information for the
+	 * underlying output device.
+	 */
+	if ((rv = lxa_mixer_ai_from_lh(lxa_state->lxas_idev_lh,
+	    &ai_idev)) != 0)
+		return (rv);
+	if ((rv = lxa_mixer_ai_from_lh(lxa_state->lxas_odev_lh,
+	    &ai_odev)) != 0)
+		return (rv);
+
+	/* now merge the audio_info structures */
+	lxa_audio_info_merge(lxa_state, &ai_idev, &ai_odev, ai);
+	return (0);
+}
+
+static int
+lxa_mixer_get_common(lxa_state_t *lxa_state, int cmd, intptr_t arg, int mode)
+{
+	lxa_mixer_levels_t	lxa_ml;
+	audio_info_t		ai;
+	int			rv;
+
+	ASSERT(lxa_state->lxas_type == LXA_TYPE_AUDIOCTL);
+
+	if ((rv = lxa_mixer_get_ai(lxa_state, &ai)) != 0)
+		return (rv);
+
+	switch (cmd) {
+	case LXA_IOC_MIXER_GET_VOL:
+		lxa_ml.lxa_ml_gain = ai.play.gain;
+		lxa_ml.lxa_ml_balance = ai.play.balance;
+		break;
+	case LXA_IOC_MIXER_GET_MIC:
+		lxa_ml.lxa_ml_gain = ai.record.gain;
+		lxa_ml.lxa_ml_balance = ai.record.balance;
+		break;
+	}
+
+	if (ddi_copyout(&lxa_ml, (void *)arg, sizeof (lxa_ml), mode) != 0)
+		return (EFAULT);
+	return (0);
+}
+
+static int
+lxa_mixer_set_common(lxa_state_t *lxa_state, int cmd, intptr_t arg, int mode)
+{
+	lxa_mixer_levels_t	lxa_ml;
+	audio_info_t		ai;
+
+	ASSERT(lxa_state->lxas_type == LXA_TYPE_AUDIOCTL);
+
+	/* get the new mixer settings */
+	if (ddi_copyin((void *)arg, &lxa_ml, sizeof (lxa_ml), mode) != 0)
+		return (EFAULT);
+
+	/* sanity check the mixer settings */
+	if (!LXA_MIXER_LEVELS_OK(&lxa_ml))
+		return (EINVAL);
+
+	/* initialize an audio_info struct with the new settings */
+	AUDIO_INITINFO(&ai);
+	switch (cmd) {
+	case LXA_IOC_MIXER_SET_VOL:
+		ai.play.gain = lxa_ml.lxa_ml_gain;
+		ai.play.balance = lxa_ml.lxa_ml_balance;
+		break;
+	case LXA_IOC_MIXER_SET_MIC:
+		ai.record.gain = lxa_ml.lxa_ml_gain;
+		ai.record.balance = lxa_ml.lxa_ml_balance;
+		break;
+	}
+
+	return (lxa_audio_setinfo(lxa_state, AUDIO_SETINFO, (intptr_t)&ai,
+	    FKIOCTL));
+}
+
+static int
+lxa_mixer_get_pcm(lxa_state_t *lxa_state, intptr_t arg, int mode)
+{
+	ASSERT(lxa_state->lxas_type == LXA_TYPE_AUDIOCTL);
+
+	/* simply return the cached pcm mixer settings */
+	mutex_enter(&lxa_lock);
+	if (ddi_copyout(&lxa_state->lxas_zs->lxa_zs_pcm_levels, (void *)arg,
+	    sizeof (lxa_state->lxas_zs->lxa_zs_pcm_levels), mode) != 0) {
+		mutex_exit(&lxa_lock);
+		return (EFAULT);
+	}
+	mutex_exit(&lxa_lock);
+	return (0);
+}
+
+static int
+lxa_mixer_set_pcm(lxa_state_t *lxa_state, intptr_t arg, int mode)
+{
+	lxa_mixer_levels_t	lxa_ml;
+	int			rv;
+
+	ASSERT(lxa_state->lxas_type == LXA_TYPE_AUDIOCTL);
+
+	/* get the new mixer settings */
+	if (ddi_copyin((void *)arg, &lxa_ml, sizeof (lxa_ml), mode) != 0)
+		return (EFAULT);
+
+	/* sanity check the mixer settings */
+	if (!LXA_MIXER_LEVELS_OK(&lxa_ml))
+		return (EINVAL);
+
+	mutex_enter(&lxa_lock);
+
+	/* if there is an active output channel, update it */
+	if (lxa_state->lxas_zs->lxa_zs_ostate != NULL) {
+		audio_info_t	ai;
+
+		/* initialize an audio_info struct with the new settings */
+		AUDIO_INITINFO(&ai);
+		ai.play.gain = lxa_ml.lxa_ml_gain;
+		ai.play.balance = lxa_ml.lxa_ml_balance;
+
+		if ((rv = lxa_audio_setinfo(lxa_state->lxas_zs->lxa_zs_ostate,
+		    AUDIO_SETINFO, (intptr_t)&ai, FKIOCTL)) != 0) {
+			mutex_exit(&lxa_lock);
+			return (rv);
+		}
+	}
+
+	/* update the cached mixer settings */
+	lxa_state->lxas_zs->lxa_zs_pcm_levels = lxa_ml;
+
+	mutex_exit(&lxa_lock);
+	return (0);
+}
+
+static int
+lxa_zone_reg(intptr_t arg, int mode)
+{
+	lxa_zone_reg_t	lxa_zr;
+	lxa_zstate_t	*lxa_zs = NULL;
+	char		*idev_name = NULL, *odev_name = NULL, *pval = NULL;
+	int		i, junk;
+
+	if (ddi_copyin((void *)arg, &lxa_zr, sizeof (lxa_zr), mode) != 0)
+		return (EFAULT);
+
+	/* make sure that zone_name is a valid string */
+	for (i = 0; i < sizeof (lxa_zr.lxa_zr_zone_name); i++)
+		if (lxa_zr.lxa_zr_zone_name[i] == '\0')
+			break;
+	if (i == sizeof (lxa_zr.lxa_zr_zone_name))
+		return (EINVAL);
+
+	/* make sure that inputdev is a valid string */
+	for (i = 0; i < sizeof (lxa_zr.lxa_zr_inputdev); i++)
+		if (lxa_zr.lxa_zr_inputdev[i] == '\0')
+			break;
+	if (i == sizeof (lxa_zr.lxa_zr_inputdev))
+		return (EINVAL);
+
+	/* make sure it's a valid inputdev property value */
+	if (lxa_devprop_verify(lxa_zr.lxa_zr_inputdev) != 0)
+		return (EINVAL);
+
+	/* make sure that outputdev is a valid string */
+	for (i = 0; i < sizeof (lxa_zr.lxa_zr_outputdev); i++)
+		if (lxa_zr.lxa_zr_outputdev[i] == '\0')
+			break;
+	if (i == sizeof (lxa_zr.lxa_zr_outputdev))
+		return (EINVAL);
+
+	/* make sure it's a valid outputdev property value */
+	if (lxa_devprop_verify(lxa_zr.lxa_zr_outputdev) != 0)
+		return (EINVAL);
+
+	/* get the property names */
+	idev_name = lxa_devprop_name(lxa_zr.lxa_zr_zone_name,
+	    LXA_PROP_INPUTDEV);
+	odev_name = lxa_devprop_name(lxa_zr.lxa_zr_zone_name,
+	    LXA_PROP_OUTPUTDEV);
+
+	/*
+	 * allocate and initialize a zone state structure
+	 * since the audio device can't possibly be opened yet
+	 * (since we're setting it up now and the zone isn't booted
+	 * yet) assign some some resonable default pcm channel settings.
+	 * also, default to one mixer channel.
+	 */
+	lxa_zs = kmem_zalloc(sizeof (*lxa_zs), KM_SLEEP);
+	lxa_zs->lxa_zs_zonename = strdup(lxa_zr.lxa_zr_zone_name);
+	lxa_zs->lxa_zs_pcm_levels.lxa_ml_gain = AUDIO_MID_GAIN;
+	lxa_zs->lxa_zs_pcm_levels.lxa_ml_balance = AUDIO_MID_BALANCE;
+
+	mutex_enter(&lxa_lock);
+
+	/*
+	 * make sure this zone isn't already registered
+	 * a zone is registered with properties for that zone exist
+	 * or there is a zone state structure for that zone
+	 */
+	if (ddi_prop_lookup_string(DDI_DEV_T_ANY, lxa_dip,
+	    DDI_PROP_DONTPASS | DDI_PROP_NOTPROM,
+	    idev_name, &pval) == DDI_PROP_SUCCESS) {
+		goto err_unlock;
+	}
+	if (ddi_prop_lookup_string(DDI_DEV_T_ANY, lxa_dip,
+	    DDI_PROP_DONTPASS | DDI_PROP_NOTPROM,
+	    odev_name, &pval) == DDI_PROP_SUCCESS) {
+		goto err_unlock;
+	}
+	if (mod_hash_find(lxa_zstate_hash,
+	    (mod_hash_key_t)lxa_zs->lxa_zs_zonename,
+	    (mod_hash_val_t *)&junk) == 0)
+		goto err_unlock;
+
+	/*
+	 * create the new properties and insert the zone state structure
+	 * into the global hash
+	 */
+	if (ddi_prop_update_string(DDI_DEV_T_NONE, lxa_dip,
+	    idev_name, lxa_zr.lxa_zr_inputdev) != DDI_PROP_SUCCESS)
+		goto err_prop_remove;
+	if (ddi_prop_update_string(DDI_DEV_T_NONE, lxa_dip,
+	    odev_name, lxa_zr.lxa_zr_outputdev) != DDI_PROP_SUCCESS)
+		goto err_prop_remove;
+	if (mod_hash_insert(lxa_zstate_hash,
+	    (mod_hash_key_t)lxa_zs->lxa_zs_zonename,
+	    (mod_hash_val_t)lxa_zs) != 0)
+		goto err_prop_remove;
+
+	/* success! */
+	lxa_registered_zones++;
+	mutex_exit(&lxa_lock);
+
+	/* cleanup */
+	strfree(idev_name);
+	strfree(odev_name);
+	return (0);
+
+err_prop_remove:
+	(void) ddi_prop_remove(DDI_DEV_T_NONE, lxa_dip, idev_name);
+	(void) ddi_prop_remove(DDI_DEV_T_NONE, lxa_dip, odev_name);
+
+err_unlock:
+	mutex_exit(&lxa_lock);
+
+	if (lxa_zs != NULL) {
+		strfree(lxa_zs->lxa_zs_zonename);
+		kmem_free(lxa_zs, sizeof (*lxa_zs));
+	}
+	if (pval != NULL)
+		ddi_prop_free(pval);
+	if (idev_name != NULL)
+		strfree(idev_name);
+	if (odev_name != NULL)
+		strfree(odev_name);
+	return (EIO);
+}
+
+static int
+lxa_zone_unreg(intptr_t arg, int mode)
+{
+	lxa_zone_reg_t	lxa_zr;
+	lxa_zstate_t	*lxa_zs = NULL;
+	char		*idev_name = NULL, *odev_name = NULL, *pval = NULL;
+	int		rv, i;
+
+	if (ddi_copyin((void *)arg, &lxa_zr, sizeof (lxa_zr), mode) != 0)
+		return (EFAULT);
+
+	/* make sure that zone_name is a valid string */
+	for (i = 0; i < sizeof (lxa_zr.lxa_zr_zone_name); i++)
+		if (lxa_zr.lxa_zr_zone_name[i] == '\0')
+			break;
+	if (i == sizeof (lxa_zr.lxa_zr_zone_name))
+		return (EINVAL);
+
+	/* get the property names */
+	idev_name = lxa_devprop_name(lxa_zr.lxa_zr_zone_name,
+	    LXA_PROP_INPUTDEV);
+	odev_name = lxa_devprop_name(lxa_zr.lxa_zr_zone_name,
+	    LXA_PROP_OUTPUTDEV);
+
+	mutex_enter(&lxa_lock);
+
+	if (lxa_registered_zones <= 0) {
+		rv = ENOENT;
+		goto err_unlock;
+	}
+
+	/* make sure this zone is actually registered */
+	if (ddi_prop_lookup_string(DDI_DEV_T_ANY, lxa_dip,
+	    DDI_PROP_DONTPASS | DDI_PROP_NOTPROM,
+	    idev_name, &pval) != DDI_PROP_SUCCESS) {
+		rv = ENOENT;
+		goto err_unlock;
+	}
+	ddi_prop_free(pval);
+	pval = NULL;
+	if (ddi_prop_lookup_string(DDI_DEV_T_ANY, lxa_dip,
+	    DDI_PROP_DONTPASS | DDI_PROP_NOTPROM,
+	    odev_name, &pval) != DDI_PROP_SUCCESS) {
+		rv = ENOENT;
+		goto err_unlock;
+	}
+	ddi_prop_free(pval);
+	pval = NULL;
+	if (mod_hash_find(lxa_zstate_hash,
+	    (mod_hash_key_t)lxa_zr.lxa_zr_zone_name,
+	    (mod_hash_val_t *)&lxa_zs) != 0) {
+		rv = ENOENT;
+		goto err_unlock;
+	}
+	ASSERT(strcmp(lxa_zr.lxa_zr_zone_name, lxa_zs->lxa_zs_zonename) == 0);
+
+	/*
+	 * if the audio device is currently in use then refuse to
+	 * unregister the zone
+	 */
+	if ((lxa_zs->lxa_zs_ostate != NULL) ||
+	    (lxa_zs->lxa_zs_ostate != NULL)) {
+		rv = EBUSY;
+		goto err_unlock;
+	}
+
+	/* success! cleanup zone config state */
+	(void) ddi_prop_remove(DDI_DEV_T_NONE, lxa_dip, idev_name);
+	(void) ddi_prop_remove(DDI_DEV_T_NONE, lxa_dip, odev_name);
+
+	/*
+	 * note, the action of removing the zone state structure from the
+	 * hash will automatically free lxa_zs->lxa_zs_zonename.
+	 *
+	 * the reason for this is that we used lxa_zs->lxa_zs_zonename
+	 * as the hash key and by default mod_hash_create_strhash() uses
+	 * mod_hash_strkey_dtor() as a the hash key destructor.  (which
+	 * free's the key for us.
+	 */
+	(void) mod_hash_remove(lxa_zstate_hash,
+	    (mod_hash_key_t)lxa_zr.lxa_zr_zone_name,
+	    (mod_hash_val_t *)&lxa_zs);
+	lxa_registered_zones--;
+	mutex_exit(&lxa_lock);
+
+	/* cleanup */
+	kmem_free(lxa_zs, sizeof (*lxa_zs));
+	strfree(idev_name);
+	strfree(odev_name);
+	return (0);
+
+err_unlock:
+	mutex_exit(&lxa_lock);
+
+	if (pval != NULL)
+		ddi_prop_free(pval);
+	if (idev_name != NULL)
+		strfree(idev_name);
+	if (odev_name != NULL)
+		strfree(odev_name);
+	return (rv);
+}
+
+static int
+lxa_ioctl_devctl(int cmd, intptr_t arg, int mode)
+{
+	/* devctl ioctls are only allowed from the global zone */
+	ASSERT(getzoneid() == 0);
+	if (getzoneid() != 0)
+		return (EINVAL);
+
+	switch (cmd) {
+	case LXA_IOC_ZONE_REG:
+		return (lxa_zone_reg(arg, mode));
+	case LXA_IOC_ZONE_UNREG:
+		return (lxa_zone_unreg(arg, mode));
+	}
+
+	return (EINVAL);
+}
+
+static int
+/*ARGSUSED*/
+lxa_open(dev_t *devp, int flags, int otyp, cred_t *credp)
+{
+	lxa_dev_type_t	open_type = LXA_TYPE_INVALID;
+	lxa_zstate_t	*lxa_zs;
+	lxa_state_t	*lxa_state;
+	minor_t		minor;
+	int		rv;
+
+	if (getminor(*devp) == LXA_MINORNUM_DEVCTL) {
+		/*
+		 * this is a devctl node, it exists to administer this
+		 * pseudo driver so it doesn't actually need access to
+		 * any underlying audio devices.  hence there is nothing
+		 * really to do here.  course, this driver should
+		 * only be administered from the global zone.
+		 */
+		ASSERT(getzoneid() == 0);
+		if (getzoneid() != 0)
+			return (EINVAL);
+		return (0);
+	}
+
+	/* lookup the zone state structure */
+	if (mod_hash_find(lxa_zstate_hash, (mod_hash_key_t)getzonename(),
+	    (mod_hash_val_t *)&lxa_zs) != 0) {
+		return (EIO);
+	}
+
+	/* determine what type of device was opened */
+	switch (getminor(*devp)) {
+	case LXA_MINORNUM_DSP:
+		open_type = LXA_TYPE_AUDIO;
+		break;
+	case LXA_MINORNUM_MIXER:
+		open_type = LXA_TYPE_AUDIOCTL;
+		break;
+	default:
+		return (EINVAL);
+	}
+	ASSERT(open_type != LXA_TYPE_INVALID);
+
+	/* all other opens are clone opens so get a new minor node */
+	minor = id_alloc(lxa_minor_id);
+
+	/* allocate and initialize the new lxa_state structure */
+	lxa_state = kmem_zalloc(sizeof (*lxa_state), KM_SLEEP);
+	lxa_state->lxas_zs = lxa_zs;
+	lxa_state->lxas_dev_old = *devp;
+	lxa_state->lxas_dev_new = makedevice(getmajor(*devp), minor);
+	lxa_state->lxas_flags = flags;
+	lxa_state->lxas_type = open_type;
+
+	/* initialize the input and output device */
+	if (((rv = lxa_dev_open(lxa_state)) != 0) ||
+	    ((rv = lxa_dev_getfeatures(lxa_state)) != 0)) {
+		lxa_state_close(lxa_state);
+		return (rv);
+	}
+
+	/*
+	 * save this audio statue structure into a hash indexed
+	 * by it's minor device number.  (this will provide a convient
+	 * way to lookup the state structure on future operations.)
+	 */
+	if (mod_hash_insert(lxa_state_hash, (mod_hash_key_t)(uintptr_t)minor,
+	    (mod_hash_val_t)lxa_state) != 0) {
+		lxa_state_close(lxa_state);
+		return (EIO);
+	}
+
+	mutex_enter(&lxa_lock);
+
+	/* apply the currently cached zone PCM mixer levels */
+	if ((lxa_state->lxas_type == LXA_TYPE_AUDIO) &&
+	    (lxa_state->lxas_odev_lh != NULL)) {
+		audio_info_t ai;
+
+		AUDIO_INITINFO(&ai);
+		ai.play.gain = lxa_zs->lxa_zs_pcm_levels.lxa_ml_gain;
+		ai.play.balance = lxa_zs->lxa_zs_pcm_levels.lxa_ml_balance;
+
+		if ((rv = lxa_audio_setinfo(lxa_state,
+		    AUDIO_SETINFO, (intptr_t)&ai, FKIOCTL)) != 0) {
+			mutex_exit(&lxa_lock);
+			lxa_state_close(lxa_state);
+			return (rv);
+		}
+	}
+
+	/*
+	 * we only allow one active open of the input or output device.
+	 * check here for duplicate opens
+	 */
+	if (lxa_state->lxas_type == LXA_TYPE_AUDIO) {
+		if ((lxa_state->lxas_idev_lh != NULL) &&
+		    (lxa_zs->lxa_zs_istate != NULL)) {
+			mutex_exit(&lxa_lock);
+			lxa_state_close(lxa_state);
+			return (EBUSY);
+		}
+		if ((lxa_state->lxas_odev_lh != NULL) &&
+		    (lxa_zs->lxa_zs_ostate != NULL)) {
+			mutex_exit(&lxa_lock);
+			lxa_state_close(lxa_state);
+			return (EBUSY);
+		}
+
+		/* not a duplicate open, update the global zone state */
+		if (lxa_state->lxas_idev_lh != NULL)
+			lxa_zs->lxa_zs_istate = lxa_state;
+		if (lxa_state->lxas_odev_lh != NULL)
+			lxa_zs->lxa_zs_ostate = lxa_state;
+	}
+	mutex_exit(&lxa_lock);
+
+	/* make sure to return our newly allocated dev_t */
+	*devp = lxa_state->lxas_dev_new;
+	return (0);
+}
+
+static int
+/*ARGSUSED*/
+lxa_close(dev_t dev, int flags, int otyp, cred_t *credp)
+{
+	lxa_state_t	*lxa_state;
+	minor_t		minor = getminor(dev);
+
+	/* handle devctl minor nodes (these nodes don't have a handle */
+	if (getminor(dev) == LXA_MINORNUM_DEVCTL)
+		return (0);
+
+	/* get the handle for this device */
+	if (mod_hash_find(lxa_state_hash, (mod_hash_key_t)(uintptr_t)minor,
+	    (mod_hash_val_t *)&lxa_state) != 0)
+		return (EINVAL);
+
+	lxa_state_close(lxa_state);
+	return (0);
+}
+
+static int
+/*ARGSUSED*/
+lxa_read(dev_t dev, struct uio *uiop, cred_t *credp)
+{
+	lxa_state_t	*lxa_state;
+	minor_t		minor = getminor(dev);
+	int		rv;
+
+	/* get the handle for this device */
+	if (mod_hash_find(lxa_state_hash, (mod_hash_key_t)(uintptr_t)minor,
+	    (mod_hash_val_t *)&lxa_state) != 0)
+		return (EINVAL);
+
+	/*
+	 * if a process has mmaped this device then we don't allow
+	 * any more reads or writes to the device
+	 */
+	if (lxa_state->lxas_umem_cookie != NULL)
+		return (EIO);
+
+	/* we can't do a read if there is no input device */
+	if (lxa_state->lxas_idev_lh == NULL)
+		return (EBADF);
+
+	/* pass the request on */
+	while (uiop->uio_resid != 0) {
+		rv = ldi_read(lxa_state->lxas_idev_lh, uiop, kcred);
+		if ((rv != 0) || (uiop->uio_fmode & (FNONBLOCK|FNDELAY))) {
+			break;
+		}
+	}
+	return (rv);
+}
+
+static int
+/*ARGSUSED*/
+lxa_write(dev_t dev, struct uio *uiop, cred_t *credp)
+{
+	lxa_state_t	*lxa_state;
+	minor_t		minor = getminor(dev);
+	int		rv;
+
+	/* get the handle for this device */
+	if (mod_hash_find(lxa_state_hash, (mod_hash_key_t)(uintptr_t)minor,
+	    (mod_hash_val_t *)&lxa_state) != 0)
+		return (EINVAL);
+
+	/*
+	 * if a process has mmaped this device then we don't allow
+	 * any more reads or writes to the device
+	 */
+	if (lxa_state->lxas_umem_cookie != NULL)
+		return (EIO);
+
+	/* we can't do a write if there is no output device */
+	if (lxa_state->lxas_odev_lh == NULL)
+		return (EBADF);
+
+	/* pass the request on */
+	while (uiop->uio_resid != 0) {
+		rv = ldi_write(lxa_state->lxas_odev_lh, uiop, kcred);
+		if ((rv != 0) || (uiop->uio_fmode & (FNONBLOCK|FNDELAY))) {
+			break;
+		}
+	}
+	return (rv);
+}
+
+static int
+/*ARGSUSED*/
+lxa_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp,
+    int *rvalp)
+{
+	lxa_state_t	*lxa_state;
+	minor_t		minor = getminor(dev);
+
+	/* handle devctl minor nodes (these nodes don't have a handle */
+	if (getminor(dev) == LXA_MINORNUM_DEVCTL)
+		return (lxa_ioctl_devctl(cmd, arg, mode));
+
+	/* get the handle for this device */
+	if (mod_hash_find(lxa_state_hash, (mod_hash_key_t)(uintptr_t)minor,
+	    (mod_hash_val_t *)&lxa_state) != 0)
+		return (EINVAL);
+
+	ASSERT((lxa_state->lxas_type == LXA_TYPE_AUDIO) ||
+	    (lxa_state->lxas_type == LXA_TYPE_AUDIOCTL));
+
+	switch (cmd) {
+	case LXA_IOC_GETMINORNUM:
+		{
+			int minornum = getminor(lxa_state->lxas_dev_old);
+			if (ddi_copyout(&minornum, (void *)arg,
+			    sizeof (minornum), mode) != 0)
+				return (EFAULT);
+		}
+		return (0);
+	}
+
+	if (lxa_state->lxas_type == LXA_TYPE_AUDIO) {
+		/* deal with native ioctl */
+		switch (cmd) {
+		case LXA_IOC_MMAP_OUTPUT:
+			return (lxa_ioc_mmap_output(lxa_state, arg, mode));
+		case LXA_IOC_MMAP_PTR:
+			return (lxa_ioc_mmap_ptr(lxa_state, arg, mode));
+		case LXA_IOC_GET_FRAG_INFO:
+			return (lxa_ioc_get_frag_info(lxa_state, arg, mode));
+		case LXA_IOC_SET_FRAG_INFO:
+			return (lxa_ioc_set_frag_info(lxa_state, arg, mode));
+		}
+
+		/* deal with layered ioctls */
+		switch (cmd) {
+		case AUDIO_DRAIN:
+			return (lxa_audio_drain(lxa_state));
+		case AUDIO_SETINFO:
+			return (lxa_audio_setinfo(lxa_state,
+			    AUDIO_SETINFO, arg, mode));
+		case AUDIO_GETINFO:
+			return (lxa_audio_getinfo(lxa_state, arg, mode));
+		}
+	}
+
+	if (lxa_state->lxas_type == LXA_TYPE_AUDIOCTL) {
+		/* deal with native ioctl */
+		switch (cmd) {
+		case LXA_IOC_MIXER_GET_VOL:
+			return (lxa_mixer_get_common(lxa_state,
+			    cmd, arg, mode));
+		case LXA_IOC_MIXER_SET_VOL:
+			return (lxa_mixer_set_common(lxa_state,
+			    cmd, arg, mode));
+		case LXA_IOC_MIXER_GET_MIC:
+			return (lxa_mixer_get_common(lxa_state,
+			    cmd, arg, mode));
+		case LXA_IOC_MIXER_SET_MIC:
+			return (lxa_mixer_set_common(lxa_state,
+			    cmd, arg, mode));
+		case LXA_IOC_MIXER_GET_PCM:
+			return (lxa_mixer_get_pcm(lxa_state, arg, mode));
+		case LXA_IOC_MIXER_SET_PCM:
+			return (lxa_mixer_set_pcm(lxa_state, arg, mode));
+		}
+
+	}
+
+	return (EINVAL);
+}
+
+static int
+/*ARGSUSED*/
+lxa_devmap(dev_t dev, devmap_cookie_t dhp,
+    offset_t off, size_t len, size_t *maplen, uint_t model)
+{
+	lxa_state_t		*lxa_state;
+	minor_t			minor = getminor(dev);
+	ddi_umem_cookie_t	umem_cookie;
+	void			*umem_ptr;
+	int			rv;
+
+	/* get the handle for this device */
+	if (mod_hash_find(lxa_state_hash, (mod_hash_key_t)(uintptr_t)minor,
+	    (mod_hash_val_t *)&lxa_state) != 0)
+		return (EINVAL);
+
+	/* we only support mmaping of audio devices */
+	if (lxa_state->lxas_type != LXA_TYPE_AUDIO)
+		return (EINVAL);
+
+	/* we only support output via mmap */
+	if ((lxa_state->lxas_flags & FWRITE) == 0)
+		return (EINVAL);
+
+	/* sanity check the amount of memory the user is allocating */
+	if ((len == 0) ||
+	    (len > LXA_OSS_FRAG_MEM) ||
+	    ((len % lxa_state->lxas_frag_size) != 0))
+		return (EINVAL);
+
+	/* allocate and clear memory to mmap */
+	umem_ptr = ddi_umem_alloc(len, DDI_UMEM_NOSLEEP, &umem_cookie);
+	if (umem_ptr == NULL)
+		return (ENOMEM);
+	bzero(umem_ptr, len);
+
+	/* setup the memory mappings */
+	rv = devmap_umem_setup(dhp, lxa_dip, NULL, umem_cookie, 0, len,
+	    PROT_USER | PROT_READ | PROT_WRITE, 0, NULL);
+	if (rv != 0) {
+		ddi_umem_free(umem_cookie);
+		return (EIO);
+	}
+
+	mutex_enter(&lxa_lock);
+
+	/* we only support one mmap per open */
+	if (lxa_state->lxas_umem_cookie != NULL) {
+		ASSERT(lxa_state->lxas_umem_ptr != NULL);
+		mutex_exit(&lxa_lock);
+		ddi_umem_free(umem_cookie);
+		return (EBUSY);
+	}
+	ASSERT(lxa_state->lxas_umem_ptr == NULL);
+
+	*maplen = len;
+	lxa_state->lxas_umem_len = len;
+	lxa_state->lxas_umem_ptr = umem_ptr;
+	lxa_state->lxas_umem_cookie = umem_cookie;
+	mutex_exit(&lxa_lock);
+	return (0);
+}
+
+static int
+/*ARGSUSED*/
+lxa_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
+{
+	int	instance = ddi_get_instance(dip);
+
+	if (cmd != DDI_ATTACH)
+		return (DDI_FAILURE);
+
+	ASSERT(instance == 0);
+	if (instance != 0)
+		return (DDI_FAILURE);
+
+	lxa_dip = dip;
+	mutex_init(&lxa_lock, NULL, MUTEX_DEFAULT, NULL);
+
+	/* create our minor nodes */
+	if (ddi_create_minor_node(dip, LXA_MINORNAME_DEVCTL, S_IFCHR,
+	    LXA_MINORNUM_DEVCTL, DDI_PSEUDO, 0) != DDI_SUCCESS)
+		return (DDI_FAILURE);
+
+	if (ddi_create_minor_node(dip, LXA_MINORNAME_DSP, S_IFCHR,
+	    LXA_MINORNUM_DSP, DDI_PSEUDO, 0) != DDI_SUCCESS)
+		return (DDI_FAILURE);
+
+	if (ddi_create_minor_node(dip, LXA_MINORNAME_MIXER, S_IFCHR,
+	    LXA_MINORNUM_MIXER, DDI_PSEUDO, 0) != DDI_SUCCESS)
+		return (DDI_FAILURE);
+
+	/* allocate our data structures */
+	lxa_minor_id = id_space_create("lxa_minor_id",
+	    LXA_MINORNUM_COUNT, LX_AUDIO_MAX_OPENS);
+	lxa_state_hash = mod_hash_create_idhash("lxa_state_hash",
+	    lxa_state_hash_size, mod_hash_null_valdtor);
+	lxa_zstate_hash = mod_hash_create_strhash("lxa_zstate_hash",
+	    lxa_zstate_hash_size, mod_hash_null_valdtor);
+
+	return (DDI_SUCCESS);
+}
+
+static int
+/*ARGSUSED*/
+lxa_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
+{
+	if (cmd != DDI_DETACH)
+		return (DDI_FAILURE);
+
+	ASSERT(!MUTEX_HELD(&lxa_lock));
+	if (lxa_registered_zones > 0)
+		return (DDI_FAILURE);
+
+	mod_hash_destroy_idhash(lxa_state_hash);
+	mod_hash_destroy_idhash(lxa_zstate_hash);
+	id_space_destroy(lxa_minor_id);
+	lxa_state_hash = NULL;
+	lxa_dip = NULL;
+
+	return (DDI_SUCCESS);
+}
+
+static int
+/*ARGSUSED*/
+lxa_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **resultp)
+{
+	switch (infocmd) {
+	case DDI_INFO_DEVT2DEVINFO:
+		*resultp = lxa_dip;
+		return (DDI_SUCCESS);
+
+	case DDI_INFO_DEVT2INSTANCE:
+		*resultp = (void *)0;
+		return (DDI_SUCCESS);
+	}
+	return (DDI_FAILURE);
+}
+
+/*
+ * Driver flags
+ */
+static struct cb_ops lxa_cb_ops = {
+	lxa_open,		/* open */
+	lxa_close,		/* close */
+	nodev,			/* strategy */
+	nodev,			/* print */
+	nodev,			/* dump */
+	lxa_read,		/* read */
+	lxa_write,		/* write */
+	lxa_ioctl,		/* ioctl */
+	lxa_devmap,		/* devmap */
+	nodev,			/* mmap */
+	ddi_devmap_segmap,	/* segmap */
+	nochpoll,		/* chpoll */
+	ddi_prop_op,		/* prop_op */
+	NULL,			/* cb_str */
+	D_NEW | D_MP | D_DEVMAP,
+	CB_REV,
+	NULL,
+	NULL
+};
+
+static struct dev_ops lxa_ops = {
+	DEVO_REV,
+	0,
+	lxa_getinfo,
+	nulldev,
+	nulldev,
+	lxa_attach,
+	lxa_detach,
+	nodev,
+	&lxa_cb_ops,
+	NULL,
+	NULL,
+	ddi_quiesce_not_needed,		/* quiesce */
+};
+
+/*
+ * Module linkage information for the kernel.
+ */
+static struct modldrv modldrv = {
+	&mod_driverops,		/* type of module */
+	"linux audio driver",	/* description of module */
+	&lxa_ops		/* driver ops */
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1,
+	&modldrv,
+	NULL
+};
+
+/*
+ * standard module entry points
+ */
+int
+_init(void)
+{
+	return (mod_install(&modlinkage));
+}
+
+int
+_fini(void)
+{
+	return (mod_remove(&modlinkage));
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
diff --git a/usr/src/uts/common/brand/lx/io/lx_audio.conf b/usr/src/uts/common/brand/lx/io/lx_audio.conf
new file mode 100644
index 0000000000..2eeb5eb7ee
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/io/lx_audio.conf
@@ -0,0 +1,27 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+#ident	"%Z%%M%	%I%	%E% SMI"
+
+name="lx_audio" parent="pseudo" instance=0;
diff --git a/usr/src/uts/common/brand/lx/io/lx_netlink.c b/usr/src/uts/common/brand/lx/io/lx_netlink.c
new file mode 100644
index 0000000000..9f0f2f8208
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/io/lx_netlink.c
@@ -0,0 +1,1205 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * Compatibility for the Linux netlink(7) kernel/user transport, as well as
+ * for in-kernel netlink(7) providers like rtnetlink(7).  See RFC 3549 for
+ * details of the protocol, and the Linux man pages for details of the Linux
+ * implementation that we're mimicking.
+ */
+
+#include <sys/strsubr.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+#include <sys/sunddi.h>
+#include <sys/sunldi.h>
+#include <sys/strsun.h>
+#include <sys/tihdr.h>
+#include <sys/sockio.h>
+#include <sys/brand.h>
+#include <inet/ip.h>
+#include <inet/ip_impl.h>
+#include <sys/lx_misc.h>
+#include <sys/ethernet.h>
+#include <sys/dlpi.h>
+
+/*
+ * Flags in netlink header
+ */
+#define	LX_NETLINK_NLM_F_REQUEST		1
+#define	LX_NETLINK_NLM_F_MULTI			2
+#define	LX_NETLINK_NLM_F_ACK			4
+#define	LX_NETLINK_NLM_F_ECHO			8
+#define	LX_NETLINK_NLM_F_DUMP_INTR		16
+#define	LX_NETLINK_NLM_F_ROOT			0x100
+#define	LX_NETLINK_NLM_F_MATCH			0x200
+#define	LX_NETLINK_NLM_F_ATOMIC			0x400
+
+/*
+ * Generic message type constants
+ */
+#define	LX_NETLINK_NLMSG_NONE			0
+#define	LX_NETLINK_NLMSG_NOOP			1
+#define	LX_NETLINK_NLMSG_ERROR			2
+#define	LX_NETLINK_NLMSG_DONE			3
+#define	LX_NETLINK_NLMSG_OVERRUN		4
+
+/*
+ * Protocol constants.
+ */
+#define	LX_NETLINK_ROUTE			0
+#define	LX_NETLINK_UNUSED			1
+#define	LX_NETLINK_USERSOCK			2
+#define	LX_NETLINK_FIREWALL			3
+#define	LX_NETLINK_SOCK_DIAG			4
+#define	LX_NETLINK_NFLOG			5
+#define	LX_NETLINK_XFRM				6
+#define	LX_NETLINK_SELINUX			7
+#define	LX_NETLINK_ISCSI			8
+#define	LX_NETLINK_AUDIT			9
+#define	LX_NETLINK_FIB_LOOKUP			10
+#define	LX_NETLINK_CONNECTOR			11
+#define	LX_NETLINK_NETFILTER			12
+#define	LX_NETLINK_IP6_FW			13
+#define	LX_NETLINK_DNRTMSG			14
+#define	LX_NETLINK_KOBJECT_UEVENT		15
+#define	LX_NETLINK_GENERIC			16
+#define	LX_NETLINK_SCSITRANSPORT		18
+#define	LX_NETLINK_ECRYPTFS			19
+#define	LX_NETLINK_RDMA				20
+#define	LX_NETLINK_CRYPTO			21
+
+/*
+ * rtnetlink(7) attribute-related constants
+ */
+#define	LX_NETLINK_NLA_ALIGNTO			4
+
+#define	LX_NETLINK_RTM_NEWLINK			16
+#define	LX_NETLINK_RTM_DELLINK			17
+#define	LX_NETLINK_RTM_GETLINK			18
+#define	LX_NETLINK_RTM_SETLINK			19
+#define	LX_NETLINK_RTM_NEWADDR			20
+#define	LX_NETLINK_RTM_DELADDR			21
+#define	LX_NETLINK_RTM_GETADDR			22
+#define	LX_NETLINK_RTM_NEWROUTE			24
+#define	LX_NETLINK_RTM_DELROUTE			25
+#define	LX_NETLINK_RTM_GETROUTE			26
+#define	LX_NETLINK_RTM_NEWNEIGH			28
+#define	LX_NETLINK_RTM_DELNEIGH			29
+#define	LX_NETLINK_RTM_GETNEIGH			30
+#define	LX_NETLINK_RTM_NEWRULE			32
+#define	LX_NETLINK_RTM_DELRULE			33
+#define	LX_NETLINK_RTM_GETRULE			34
+#define	LX_NETLINK_RTM_NEWQDISC			36
+#define	LX_NETLINK_RTM_DELQDISC			37
+#define	LX_NETLINK_RTM_GETQDISC			38
+#define	LX_NETLINK_RTM_NEWTCLASS		40
+#define	LX_NETLINK_RTM_DELTCLASS		41
+#define	LX_NETLINK_RTM_GETTCLASS		42
+#define	LX_NETLINK_RTM_NEWTFILTER		44
+#define	LX_NETLINK_RTM_DELTFILTER		45
+#define	LX_NETLINK_RTM_GETTFILTER		46
+#define	LX_NETLINK_RTM_NEWACTION		48
+#define	LX_NETLINK_RTM_DELACTION		49
+#define	LX_NETLINK_RTM_GETACTION		50
+#define	LX_NETLINK_RTM_NEWPREFIX		52
+#define	LX_NETLINK_RTM_GETMULTICAST		58
+#define	LX_NETLINK_RTM_GETANYCAST		62
+#define	LX_NETLINK_RTM_NEWNEIGHTBL		64
+#define	LX_NETLINK_RTM_GETNEIGHTBL		66
+#define	LX_NETLINK_RTM_SETNEIGHTBL		67
+#define	LX_NETLINK_RTM_NEWNDUSEROPT		68
+#define	LX_NETLINK_RTM_NEWADDRLABEL		72
+#define	LX_NETLINK_RTM_DELADDRLABEL		73
+#define	LX_NETLINK_RTM_GETADDRLABEL		74
+#define	LX_NETLINK_RTM_GETDCB			78
+#define	LX_NETLINK_RTM_SETDCB			79
+#define	LX_NETLINK_RTM_NEWNETCONF		80
+#define	LX_NETLINK_RTM_GETNETCONF		82
+#define	LX_NETLINK_RTM_NEWMDB			84
+#define	LX_NETLINK_RTM_DELMDB			85
+#define	LX_NETLINK_RTM_GETMDB			86
+#define	LX_NETLINK_RTM_MAX			87
+
+/*
+ * rtnetlink(7) attribute constants
+ */
+#define	LX_NETLINK_RTA_UNSPEC			1
+#define	LX_NETLINK_RTA_DST			2
+#define	LX_NETLINK_RTA_SRC			3
+#define	LX_NETLINK_RTA_IIF			4
+#define	LX_NETLINK_RTA_OIF			5
+#define	LX_NETLINK_RTA_GATEWAY			6
+#define	LX_NETLINK_RTA_PRIORITY			7
+#define	LX_NETLINK_RTA_PREFSRC			8
+#define	LX_NETLINK_RTA_METRICS			9
+#define	LX_NETLINK_RTA_MULTIPATH		10
+#define	LX_NETLINK_RTA_PROTOINFO		11
+#define	LX_NETLINK_RTA_FLOW			12
+#define	LX_NETLINK_RTA_CACHEINFO		13
+#define	LX_NETLINK_RTA_SESSION			14
+#define	LX_NETLINK_RTA_MP_ALGO			15
+#define	LX_NETLINK_RTA_TABLE			16
+#define	LX_NETLINK_RTA_MARK			17
+#define	LX_NETLINK_RTA_MFC_STATS		18
+
+/*
+ * rtnetlink(7) NEWLINK/DELLINK/GETLINK constants
+ */
+#define	LX_NETLINK_IFLA_UNSPEC			0
+#define	LX_NETLINK_IFLA_ADDRESS			1
+#define	LX_NETLINK_IFLA_BROADCAST		2
+#define	LX_NETLINK_IFLA_IFNAME			3
+#define	LX_NETLINK_IFLA_MTU			4
+#define	LX_NETLINK_IFLA_LINK			5
+#define	LX_NETLINK_IFLA_QDISC			6
+#define	LX_NETLINK_IFLA_STATS			7
+#define	LX_NETLINK_IFLA_COST			8
+#define	LX_NETLINK_IFLA_PRIORITY		9
+#define	LX_NETLINK_IFLA_MASTER			10
+#define	LX_NETLINK_IFLA_WIRELESS		11
+#define	LX_NETLINK_IFLA_PROTINFO		12
+#define	LX_NETLINK_IFLA_TXQLEN			13
+#define	LX_NETLINK_IFLA_MAP			14
+#define	LX_NETLINK_IFLA_WEIGHT			15
+#define	LX_NETLINK_IFLA_OPERSTATE		16
+#define	LX_NETLINK_IFLA_LINKMODE		17
+#define	LX_NETLINK_IFLA_LINKINFO		18
+#define	LX_NETLINK_IFLA_NET_NS_PID		19
+#define	LX_NETLINK_IFLA_IFALIAS			20
+#define	LX_NETLINK_IFLA_NUM_VF			21
+#define	LX_NETLINK_IFLA_VFINFO_LIST		22
+#define	LX_NETLINK_IFLA_STATS64			23
+#define	LX_NETLINK_IFLA_VF_PORTS		24
+#define	LX_NETLINK_IFLA_PORT_SELF		25
+#define	LX_NETLINK_IFLA_AF_SPEC			26
+#define	LX_NETLINK_IFLA_GROUP			27
+#define	LX_NETLINK_IFLA_NET_NS_FD		28
+#define	LX_NETLINK_IFLA_EXT_MASK		29
+#define	LX_NETLINK_IFLA_PROMISCUITY		30
+#define	LX_NETLINK_IFLA_NUM_TX_QUEUES		31
+#define	LX_NETLINK_IFLA_NUM_RX_QUEUES		32
+#define	LX_NETLINK_IFLA_CARRIER			33
+#define	LX_NETLINK_IFLA_PHYS_PORT_ID		34
+#define	LX_NETLINK_IFLA_CARRIER_CHANGES		35
+#define	LX_NETLINK_IFLA_MAX			36
+
+/*
+ * rtnetlink(7) NEWADDR/DELADDR/GETADDR constants
+ */
+#define	LX_NETLINK_IFA_UNSPEC			0
+#define	LX_NETLINK_IFA_ADDRESS			1
+#define	LX_NETLINK_IFA_LOCAL			2
+#define	LX_NETLINK_IFA_LABEL			3
+#define	LX_NETLINK_IFA_BROADCAST		4
+#define	LX_NETLINK_IFA_ANYCAST			5
+#define	LX_NETLINK_IFA_CACHEINFO		6
+#define	LX_NETLINK_IFA_MULTICAST		7
+#define	LX_NETLINK_IFA_FLAGS			8
+#define	LX_NETLINK_IFA_MAX			9
+
+#define	LX_NETLINK_IFA_F_SECONDARY		0x01
+#define	LX_NETLINK_IFA_F_TEMPORARY		LX_NETLINK_IFA_F_SECONDARY
+#define	LX_NETLINK_IFA_F_NODAD			0x02
+#define	LX_NETLINK_IFA_F_OPTIMISTIC		0x04
+#define	LX_NETLINK_IFA_F_DADFAILED		0x08
+#define	LX_NETLINK_IFA_F_HOMEADDRESS		0x10
+#define	LX_NETLINK_IFA_F_DEPRECATED		0x20
+#define	LX_NETLINK_IFA_F_TENTATIVE		0x40
+#define	LX_NETLINK_IFA_F_PERMANENT		0x80
+#define	LX_NETLINK_IFA_F_MANAGETEMPADDR		0x100
+#define	LX_NETLINK_IFA_F_NOPREFIXROUTE		0x200
+
+/*
+ * Linux address families.
+ */
+#define	LX_AF_INET		2
+#define	LX_AF_INET6		10
+#define	LX_AF_NETLINK		16
+
+/*
+ * Linux interface flags.
+ */
+#define	LX_IFF_UP		(1<<0)
+#define	LX_IFF_BROADCAST	(1<<1)
+#define	LX_IFF_DEBUG		(1<<2)
+#define	LX_IFF_LOOPBACK		(1<<3)
+#define	LX_IFF_POINTOPOINT	(1<<4)
+#define	LX_IFF_NOTRAILERS	(1<<5)
+#define	LX_IFF_RUNNING		(1<<6)
+#define	LX_IFF_NOARP		(1<<7)
+#define	LX_IFF_PROMISC		(1<<8)
+#define	LX_IFF_ALLMULTI		(1<<9)
+#define	LX_IFF_MASTER		(1<<10)
+#define	LX_IFF_SLAVE		(1<<11)
+#define	LX_IFF_MULTICAST	(1<<12)
+#define	LX_IFF_PORTSEL		(1<<13)
+#define	LX_IFF_AUTOMEDIA	(1<<14)
+#define	LX_IFF_DYNAMIC		(1<<15)
+#define	LX_IFF_LOWER_UP		(1<<16)
+#define	LX_IFF_DORMANT		(1<<17)
+#define	LX_IFF_ECHO		(1<<18)
+
+typedef struct lx_netlink_hdr {
+	uint32_t lxnh_len;			/* length of message */
+	uint16_t lxnh_type;			/* type of message */
+	uint16_t lxnh_flags;			/* flags */
+	uint32_t lxnh_seq;			/* sequence number */
+	uint32_t lxnh_pid;			/* sending pid */
+} lx_netlink_hdr_t;
+
+typedef struct lx_netlink_err {
+	lx_netlink_hdr_t	lxne_hdr;	/* header */
+	int32_t			lxne_errno;	/* errno */
+	lx_netlink_hdr_t	lxne_failed;	/* header of err */
+} lx_netlink_err_t;
+
+typedef struct lx_netlink_attr {
+	uint16_t	lxna_len;		/* length of attribute */
+	uint16_t	lxna_type;		/* type of attribute */
+} lx_netlink_attr_t;
+
+typedef struct lx_netlink_ifinfomsg {
+	uint8_t		lxnl_ifi_family;	/* family: AF_UNSPEC */
+	uint8_t		lxnl_ifi__pad;
+	uint16_t	lxnl_ifi_type;		/* device type */
+	uint32_t	lxnl_ifi_index;		/* interface index */
+	uint32_t	lxnl_ifi_flags;		/* device flags */
+	uint32_t 	lxnl_ifi_change;	/* unused; must be -1 */
+} lx_netlink_ifinfomsg_t;
+
+typedef struct lx_netlink_ifaddrmsg {
+	uint8_t		lxnl_ifa_family;	/* address type */
+	uint8_t		lxnl_ifa_prefixlen;	/* prefix length of address */
+	uint8_t		lxnl_ifa_flags;		/* address flags */
+	uint8_t		lxnl_ifa_scope;		/* address scope */
+	uint8_t		lxnl_ifa_index;		/* interface index */
+} lx_netlink_ifaddrmsg_t;
+
+typedef struct lx_netlink_sockaddr {
+	sa_family_t	lxnl_family;		/* AF_LX_NETLINK */
+	uint16_t	lxnl_pad;		/* padding */
+	uint32_t	lxnl_port;		/* port id */
+	uint32_t	lxnl_groups;		/* multicast groups mask */
+} lx_netlink_sockaddr_t;
+
+typedef struct lx_netlink_sock {
+	struct lx_netlink_sock *lxns_next;	/* list of lx_netlink sockets */
+	sock_upcalls_t *lxns_upcalls;		/* pointer to socket upcalls */
+	sock_upper_handle_t lxns_uphandle;	/* socket upcall handle */
+	ldi_handle_t lxns_iphandle;		/* handle to /dev/ip */
+	ldi_handle_t lxns_ip6handle;		/* handle to /dev/ip6 */
+	ldi_handle_t lxns_current;		/* current ip handle */
+	int lxns_proto;				/* protocol */
+	uint32_t lxns_port;			/* port identifier */
+	uint32_t lxns_bufsize;			/* buffer size */
+} lx_netlink_sock_t;
+
+typedef struct lx_netlink_reply {
+	lx_netlink_hdr_t lxnr_hdr;		/* header that we're reply to */
+	lx_netlink_sock_t *lxnr_sock;		/* socket */
+	uint32_t lxnr_seq;			/* sequence number */
+	uint16_t lxnr_type;			/* type of reply */
+	mblk_t *lxnr_mp;			/* current mblk */
+	mblk_t *lxnr_err;			/* error mblk */
+	mblk_t *lxnr_mp1;			/* T_UNITDATA_IND mblk */
+	int lxnr_errno;				/* errno, if any */
+} lx_netlink_reply_t;
+
+static lx_netlink_sock_t *lx_netlink_head;	/* head of lx_netlink sockets */
+static kmutex_t lx_netlink_lock;		/* lock to protect state */
+static ldi_ident_t lx_netlink_ldi;		/* LDI handle */
+static uint32_t lx_netlink_port;		/* next port identifier */
+static int lx_netlink_bufsize = 4096;		/* default buffer size */
+static int lx_netlink_flowctrld;		/* # of times flow controlled */
+
+/*ARGSUSED*/
+static void
+lx_netlink_activate(sock_lower_handle_t handle,
+    sock_upper_handle_t sock_handle, sock_upcalls_t *sock_upcalls,
+    int flags, cred_t *cr)
+{
+	lx_netlink_sock_t *lxsock = (lx_netlink_sock_t *)handle;
+	struct sock_proto_props sopp;
+
+	sopp.sopp_flags = SOCKOPT_WROFF | SOCKOPT_RCVHIWAT |
+	    SOCKOPT_RCVLOWAT | SOCKOPT_MAXADDRLEN | SOCKOPT_MAXPSZ |
+	    SOCKOPT_MAXBLK | SOCKOPT_MINPSZ;
+	sopp.sopp_wroff = 0;
+	sopp.sopp_rxhiwat = SOCKET_RECVHIWATER;
+	sopp.sopp_rxlowat = SOCKET_RECVLOWATER;
+	sopp.sopp_maxaddrlen = sizeof (struct sockaddr_dl);
+	sopp.sopp_maxpsz = INFPSZ;
+	sopp.sopp_maxblk = INFPSZ;
+	sopp.sopp_minpsz = 0;
+
+	lxsock->lxns_upcalls = sock_upcalls;
+	lxsock->lxns_uphandle = sock_handle;
+
+	sock_upcalls->su_set_proto_props(sock_handle, &sopp);
+}
+
+/*ARGSUSED*/
+static int
+lx_netlink_setsockopt(sock_lower_handle_t handle, int level,
+    int option_name, const void *optval, socklen_t optlen, struct cred *cr)
+{
+	if (level == SOL_SOCKET)
+		return (0);
+
+	return (EOPNOTSUPP);
+}
+
+/*ARGSUSED*/
+static int
+lx_netlink_bind(sock_lower_handle_t handle, struct sockaddr *name,
+    socklen_t namelen, struct cred *cr)
+{
+	lx_netlink_sockaddr_t *lxsa = (lx_netlink_sockaddr_t *)name;
+
+	if (namelen != sizeof (lx_netlink_sockaddr_t) ||
+	    lxsa->lxnl_family != AF_LX_NETLINK) {
+		return (EINVAL);
+	}
+
+	if (lxsa->lxnl_groups != 0 || lxsa->lxnl_port != 0)
+		return (EOPNOTSUPP);
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+lx_netlink_getsockname(sock_lower_handle_t handle, struct sockaddr *sa,
+    socklen_t *len, struct cred *cr)
+{
+	lx_netlink_sock_t *lxsock = (lx_netlink_sock_t *)handle;
+	lx_netlink_sockaddr_t *lxsa = (lx_netlink_sockaddr_t *)sa;
+
+	if (*len < sizeof (lx_netlink_sockaddr_t))
+		return (EINVAL);
+
+	lxsa->lxnl_family = AF_LX_NETLINK;
+	lxsa->lxnl_pad = 0;
+	lxsa->lxnl_port = lxsock->lxns_port;
+	lxsa->lxnl_groups = 0;
+
+	*len = sizeof (lx_netlink_sockaddr_t);
+
+	return (0);
+}
+
+static mblk_t *
+lx_netlink_alloc_mp1()
+{
+	return (allocb(sizeof (struct T_unitdata_ind) +
+	    sizeof (lx_netlink_sockaddr_t), 0));
+}
+
+static lx_netlink_reply_t *
+lx_netlink_reply(lx_netlink_sock_t *lxsock,
+    lx_netlink_hdr_t *hdr, uint16_t type)
+{
+	lx_netlink_reply_t *reply;
+	mblk_t *err, *mp1;
+
+	/*
+	 * We always allocate an error block to assure that even if subsequent
+	 * allocations fail, we can return an error.
+	 */
+	if ((err = allocb(sizeof (lx_netlink_err_t), 0)) == NULL)
+		return (NULL);
+
+	if ((mp1 = lx_netlink_alloc_mp1()) == NULL) {
+		freeb(err);
+		return (NULL);
+	}
+
+	reply = kmem_zalloc(sizeof (lx_netlink_reply_t), KM_SLEEP);
+	reply->lxnr_err = err;
+	reply->lxnr_sock = lxsock;
+	reply->lxnr_hdr = *hdr;
+	reply->lxnr_type = type;
+	reply->lxnr_mp1 = mp1;
+
+	return (reply);
+}
+
+static void
+lx_netlink_reply_add(lx_netlink_reply_t *reply, void *payload, uint32_t size)
+{
+	lx_netlink_hdr_t *hdr;
+	lx_netlink_sock_t *lxsock = reply->lxnr_sock;
+	uint32_t align, alignto = LX_NETLINK_NLA_ALIGNTO;
+	mblk_t *mp = reply->lxnr_mp;
+
+	if (reply->lxnr_errno)
+		return;
+
+	align = (alignto - (size & (alignto - 1))) & (alignto - 1);
+
+	hdr = (lx_netlink_hdr_t *)mp->b_rptr;
+
+	if (hdr->lxnh_len + size + align > lxsock->lxns_bufsize) {
+		reply->lxnr_errno = E2BIG;
+		return;
+	}
+
+	bcopy(payload, mp->b_wptr, size);
+
+	hdr->lxnh_len += size + align;
+	mp->b_wptr += size + align;
+}
+
+static void
+lx_netlink_reply_msg(lx_netlink_reply_t *reply, void *payload, uint32_t size)
+{
+	lx_netlink_hdr_t *hdr;
+	lx_netlink_sock_t *lxsock = reply->lxnr_sock;
+	mblk_t *mp;
+
+	if (reply->lxnr_errno)
+		return;
+
+	VERIFY(reply->lxnr_mp == NULL);
+
+	if ((reply->lxnr_mp = mp = allocb(lxsock->lxns_bufsize, 0)) == NULL) {
+		reply->lxnr_errno = ENOMEM;
+		return;
+	}
+
+	bzero(mp->b_rptr, lxsock->lxns_bufsize);
+	hdr = (lx_netlink_hdr_t *)mp->b_rptr;
+	hdr->lxnh_flags = LX_NETLINK_NLM_F_MULTI;
+	hdr->lxnh_len = sizeof (lx_netlink_hdr_t);
+	hdr->lxnh_seq = reply->lxnr_hdr.lxnh_seq;
+	hdr->lxnh_pid = lxsock->lxns_port;
+
+	mp->b_wptr += sizeof (lx_netlink_hdr_t);
+
+	if (payload == NULL) {
+		/*
+		 * A NULL payload denotes a "done" message.
+		 */
+		hdr->lxnh_type = LX_NETLINK_NLMSG_DONE;
+	} else {
+		hdr->lxnh_type = reply->lxnr_type;
+		lx_netlink_reply_add(reply, payload, size);
+	}
+}
+
+static void
+lx_netlink_reply_attr(lx_netlink_reply_t *reply, uint16_t type,
+    void *payload, uint32_t size)
+{
+	lx_netlink_attr_t attr;
+
+	attr.lxna_len = size + sizeof (lx_netlink_attr_t);
+	attr.lxna_type = type;
+
+	lx_netlink_reply_add(reply, &attr, sizeof (attr));
+	lx_netlink_reply_add(reply, payload, size);
+}
+
+static void
+lx_netlink_reply_attr_string(lx_netlink_reply_t *reply,
+    uint16_t type, const char *str)
+{
+	lx_netlink_reply_attr(reply, type, (void *)str, strlen(str) + 1);
+}
+
+static void
+lx_netlink_reply_attr_int32(lx_netlink_reply_t *reply,
+    uint16_t type, int32_t val)
+{
+	int32_t v = val;
+
+	lx_netlink_reply_attr(reply, type, &v, sizeof (int32_t));
+}
+
+static int
+lx_netlink_reply_ioctl(lx_netlink_reply_t *reply, int cmd, void *arg)
+{
+	int rval;
+
+	if (reply->lxnr_errno != 0)
+		return (reply->lxnr_errno);
+
+	if ((rval = ldi_ioctl(reply->lxnr_sock->lxns_current,
+	    cmd, (intptr_t)arg, FKIOCTL, kcred, NULL)) != 0) {
+		reply->lxnr_errno = rval;
+	}
+
+	return (rval);
+}
+
+static void
+lx_netlink_reply_sendup(lx_netlink_reply_t *reply, mblk_t *mp, mblk_t *mp1)
+{
+	lx_netlink_sock_t *lxsock = reply->lxnr_sock;
+	lx_netlink_sockaddr_t *lxsa;
+	struct T_unitdata_ind *tunit;
+	int error;
+
+	/*
+	 * To prevent the stream head from coalescing messages and to indicate
+	 * their origin, we send them as T_UNITDATA_IND messages, not as raw
+	 * M_DATA.
+	 */
+	mp1->b_cont = mp;
+
+	mp = mp1;
+	mp->b_datap->db_type = M_PROTO;
+
+	tunit = (struct T_unitdata_ind *)mp->b_rptr;
+	tunit->PRIM_type = T_UNITDATA_IND;
+	tunit->SRC_length = sizeof (lx_netlink_sockaddr_t);
+	tunit->SRC_offset = sizeof (*tunit);
+	tunit->OPT_length = 0;
+
+	lxsa = (lx_netlink_sockaddr_t *)(mp->b_rptr + sizeof (*tunit));
+	lxsa->lxnl_family = AF_LX_NETLINK;
+	lxsa->lxnl_port = 0;
+	lxsa->lxnl_groups = 0;
+	lxsa->lxnl_pad = 0;
+
+	mp->b_wptr += sizeof (*tunit) + sizeof (*lxsa);
+
+	lxsock->lxns_upcalls->su_recv(lxsock->lxns_uphandle, mp,
+	    msgdsize(mp), 0, &error, NULL);
+
+	if (error != 0)
+		lx_netlink_flowctrld++;
+}
+
+static void
+lx_netlink_reply_send(lx_netlink_reply_t *reply)
+{
+	mblk_t *mp1;
+
+	if (reply->lxnr_errno)
+		return;
+
+	if ((mp1 = lx_netlink_alloc_mp1()) == NULL) {
+		reply->lxnr_errno = ENOMEM;
+		return;
+	}
+
+	lx_netlink_reply_sendup(reply, reply->lxnr_mp, mp1);
+	reply->lxnr_mp = NULL;
+}
+
+static void
+lx_netlink_reply_done(lx_netlink_reply_t *reply)
+{
+	lx_netlink_sock_t *lxsock = reply->lxnr_sock;
+	mblk_t *mp;
+
+	/*
+	 * Denote that we're done via a message with a NULL payload.
+	 */
+	lx_netlink_reply_msg(reply, NULL, 0);
+
+	if (reply->lxnr_errno) {
+		/*
+		 * If anything failed, we'll send up an error message.
+		 */
+		lx_netlink_hdr_t *hdr;
+		lx_netlink_err_t *err;
+
+		if (reply->lxnr_mp != NULL) {
+			freeb(reply->lxnr_mp);
+			reply->lxnr_mp = NULL;
+		}
+
+		mp = reply->lxnr_err;
+		err = (lx_netlink_err_t *)mp->b_rptr;
+		hdr = &err->lxne_hdr;
+
+		hdr->lxnh_type = LX_NETLINK_NLMSG_ERROR;
+		hdr->lxnh_seq = reply->lxnr_hdr.lxnh_seq;
+		hdr->lxnh_len = sizeof (lx_netlink_err_t);
+		hdr->lxnh_seq = reply->lxnr_hdr.lxnh_seq;
+		hdr->lxnh_pid = lxsock->lxns_port;
+		err->lxne_failed = reply->lxnr_hdr;
+		err->lxne_errno = reply->lxnr_errno;
+		mp->b_wptr += sizeof (lx_netlink_err_t);
+		reply->lxnr_err = NULL;
+	} else {
+		mp = reply->lxnr_mp;
+		VERIFY(mp != NULL);
+		reply->lxnr_mp = NULL;
+	}
+
+	lx_netlink_reply_sendup(reply, mp, reply->lxnr_mp1);
+
+	if (reply->lxnr_mp != NULL)
+		freeb(reply->lxnr_mp);
+
+	if (reply->lxnr_err != NULL)
+		freeb(reply->lxnr_err);
+
+	kmem_free(reply, sizeof (lx_netlink_reply_t));
+}
+
+static int
+lx_netlink_reply_error(lx_netlink_sock_t *lxsock,
+    lx_netlink_hdr_t *hdr, int errno)
+{
+	/*
+	 * The type of the message doesn't matter, as we're going to explicitly
+	 * set lxnr_errno and therefore send only an error message.
+	 */
+	lx_netlink_reply_t *reply = lx_netlink_reply(lxsock, hdr, 0);
+
+	if (reply == NULL)
+		return (ENOMEM);
+
+	reply->lxnr_errno = errno;
+	lx_netlink_reply_done(reply);
+
+	return (0);
+}
+
+static void
+lx_netlink_getlink_lifreq(lx_netlink_reply_t *reply, struct lifreq *lifr)
+{
+	lx_netlink_ifinfomsg_t ifi;
+	int i;
+	char if_name[IFNAMSIZ];
+	struct sockaddr_dl *sdl;
+	struct sockaddr hwaddr;
+	int hwaddr_size;
+	boolean_t is_loopback;
+
+	struct {
+		int native;
+		int lx;
+	} flags[] = {
+		{ IFF_UP, LX_IFF_UP },
+		{ IFF_BROADCAST, LX_IFF_BROADCAST },
+		{ IFF_DEBUG, LX_IFF_DEBUG },
+		{ IFF_LOOPBACK, LX_IFF_LOOPBACK },
+		{ IFF_POINTOPOINT, LX_IFF_POINTOPOINT },
+		{ IFF_NOTRAILERS, LX_IFF_NOTRAILERS },
+		{ IFF_RUNNING, LX_IFF_RUNNING },
+		{ IFF_NOARP, LX_IFF_NOARP },
+		{ IFF_PROMISC, LX_IFF_PROMISC },
+		{ IFF_ALLMULTI, LX_IFF_ALLMULTI },
+		{ IFF_MULTICAST, LX_IFF_MULTICAST },
+		{ 0 }
+	};
+
+	/*
+	 * Most of the lx_netlink module is architected to emit information in
+	 * an illumos-native manner.  Socket syscalls such as getsockname will
+	 * not translate fields to values Linux programs would expect since
+	 * that conversion is performed by the generic socket emulation.
+	 *
+	 * This is _not_ true of the actual protocol output from lx_netlink.
+	 * Since translating it at the socket layer would be onerous, all
+	 * output (including constants and names) is pre-translated to values
+	 * valid for Linux.
+	 */
+
+	bzero(&ifi, sizeof (ifi));
+	ifi.lxnl_ifi_family = AF_UNSPEC;
+	ifi.lxnl_ifi_change = (uint32_t)-1;
+
+	/* Convert the name to be Linux-friendly */
+	(void) strlcpy(if_name, lifr->lifr_name, IFNAMSIZ);
+	lx_ifname_convert(if_name, LX_IFNAME_FROMNATIVE);
+	is_loopback = (strncmp(if_name, "lo", 2) == 0);
+
+	if (lx_netlink_reply_ioctl(reply, SIOCGLIFINDEX, lifr) != 0)
+		return;
+
+	ifi.lxnl_ifi_index = lifr->lifr_index;
+
+	if (lx_netlink_reply_ioctl(reply, SIOCGLIFFLAGS, lifr) != 0)
+		return;
+
+	for (i = 0; flags[i].native; i++) {
+		if (lifr->lifr_flags & flags[i].native)
+			ifi.lxnl_ifi_flags |= flags[i].lx;
+	}
+
+	/*
+	 * Query the datalink address.
+	 * The interface type will be included in the outgoing infomsg while
+	 * the address itself will be output separately.
+	 */
+	sdl = (struct sockaddr_dl *)&lifr->lifr_addr;
+	bzero(sdl, sizeof (*sdl));
+	if (!is_loopback) {
+		lx_netlink_reply_ioctl(reply, SIOCGLIFHWADDR, lifr);
+	} else {
+		/* Simulate an empty hwaddr for loopback */
+		sdl->sdl_type = DL_LOOP;
+		sdl->sdl_alen = ETHERADDRL;
+	}
+	lx_stol_hwaddr(sdl, &hwaddr, &hwaddr_size);
+
+	ifi.lxnl_ifi_type = hwaddr.sa_family;
+	lx_netlink_reply_msg(reply, &ifi, sizeof (lx_netlink_ifinfomsg_t));
+
+	lx_netlink_reply_attr_string(reply, LX_NETLINK_IFLA_IFNAME, if_name);
+
+	if (lx_netlink_reply_ioctl(reply, SIOCGLIFMTU, lifr) != 0)
+		return;
+
+	lx_netlink_reply_attr_int32(reply, LX_NETLINK_IFLA_MTU, lifr->lifr_mtu);
+
+	if (hwaddr_size != 0) {
+		lx_netlink_reply_attr(reply, LX_NETLINK_IFLA_ADDRESS,
+		    hwaddr.sa_data, hwaddr_size);
+	}
+
+	/* Emulate a txqlen of 1. (0 for loopbacks) */
+	lx_netlink_reply_attr_int32(reply, LX_NETLINK_IFLA_TXQLEN,
+	    (is_loopback) ? 0 : 1);
+
+	lx_netlink_reply_send(reply);
+}
+
+static void
+lx_netlink_reply_eachfamily(lx_netlink_reply_t *reply,
+    void (*func)(lx_netlink_reply_t *, struct lifreq *), boolean_t distinct)
+{
+	lx_netlink_sock_t *sock = reply->lxnr_sock;
+	int nlifr, i;
+
+	struct {
+		int family;
+		ldi_handle_t handle;
+		struct lifconf lifc;
+		struct lifnum lifn;
+	} families[] = {
+		{ AF_INET, sock->lxns_iphandle },
+		{ AF_INET6, sock->lxns_ip6handle },
+		{ AF_UNSPEC }
+	}, *family, *check;
+
+	for (family = families; family->family != AF_UNSPEC; family++) {
+		struct lifconf *lifc = &family->lifc;
+		struct lifnum *lifn = &family->lifn;
+
+		lifn->lifn_family = family->family;
+		sock->lxns_current = family->handle;
+
+		if (lx_netlink_reply_ioctl(reply, SIOCGLIFNUM, lifn) != 0)
+			break;
+
+		lifc->lifc_family = lifn->lifn_family;
+		lifc->lifc_flags = 0;
+		lifc->lifc_len = lifn->lifn_count * sizeof (struct lifreq);
+		lifc->lifc_buf = kmem_alloc(lifc->lifc_len, KM_SLEEP);
+
+		if (lx_netlink_reply_ioctl(reply, SIOCGLIFCONF, lifc) != 0)
+			break;
+
+		nlifr = lifc->lifc_len / sizeof (lifc->lifc_req[0]);
+
+		for (i = 0; i < nlifr; i++) {
+			if (!distinct) {
+				func(reply, &lifc->lifc_req[i]);
+				continue;
+			}
+
+			/*
+			 * If we have been asked to provide each interface
+			 * exactly once, we need to (annoyingly) check this
+			 * name against others that we've already processed for
+			 * other families.  Yes, this is quadratic time -- but
+			 * the number of interfaces per family is expected to
+			 * be very small.
+			 */
+			for (check = families; check != family; check++) {
+				struct lifconf *clifc = &check->lifc;
+				int cnlifr = clifc->lifc_len /
+				    sizeof (clifc->lifc_req[0]), j;
+				char *nm = lifc->lifc_req[i].lifr_name, *cnm;
+
+				for (j = 0; j < cnlifr; j++) {
+					cnm = clifc->lifc_req[j].lifr_name;
+
+					if (strcmp(nm, cnm) == 0)
+						break;
+				}
+
+				if (j != cnlifr)
+					break;
+			}
+
+			if (check != family)
+				continue;
+
+			func(reply, &lifc->lifc_req[i]);
+		}
+	}
+
+	for (family = families; family->family != AF_UNSPEC; family++) {
+		struct lifconf *lifc = &family->lifc;
+
+		if (lifc->lifc_buf != NULL)
+			kmem_free(lifc->lifc_buf, lifc->lifc_len);
+	}
+}
+
+/*ARGSUSED*/
+static int
+lx_netlink_getlink(lx_netlink_sock_t *lxsock, lx_netlink_hdr_t *hdr, mblk_t *mp)
+{
+	lx_netlink_reply_t *reply;
+
+	reply = lx_netlink_reply(lxsock, hdr, LX_NETLINK_RTM_NEWLINK);
+
+	if (reply == NULL)
+		return (ENOMEM);
+
+	lx_netlink_reply_eachfamily(reply, lx_netlink_getlink_lifreq, B_TRUE);
+	lx_netlink_reply_done(reply);
+
+	return (0);
+}
+
+static void
+lx_netlink_getaddr_lifreq(lx_netlink_reply_t *reply, struct lifreq *lifr)
+{
+	lx_netlink_ifaddrmsg_t ifa;
+
+	bzero(&ifa, sizeof (ifa));
+
+	if (lx_netlink_reply_ioctl(reply, SIOCGLIFINDEX, lifr) != 0)
+		return;
+
+	ifa.lxnl_ifa_index = lifr->lifr_index;
+
+	if (lx_netlink_reply_ioctl(reply, SIOCGLIFFLAGS, lifr) != 0)
+		return;
+
+	if (!(lifr->lifr_flags & IFF_NOLOCAL)) {
+		if (lx_netlink_reply_ioctl(reply, SIOCGLIFSUBNET, lifr) != 0)
+			return;
+
+		ifa.lxnl_ifa_prefixlen = lifr->lifr_addrlen;
+
+		if (lx_netlink_reply_ioctl(reply, SIOCGLIFADDR, lifr) != 0)
+			return;
+
+		if (lifr->lifr_addr.ss_family == AF_INET) {
+			struct sockaddr_in *sin;
+
+			ifa.lxnl_ifa_family = LX_AF_INET;
+
+			lx_netlink_reply_msg(reply, &ifa,
+			    sizeof (lx_netlink_ifaddrmsg_t));
+
+			sin = (struct sockaddr_in *)&lifr->lifr_addr;
+
+			lx_netlink_reply_attr_int32(reply,
+			    LX_NETLINK_IFA_ADDRESS, sin->sin_addr.s_addr);
+		} else {
+			struct sockaddr_in6 *sin;
+
+			ifa.lxnl_ifa_family = LX_AF_INET6;
+
+			lx_netlink_reply_msg(reply, &ifa,
+			    sizeof (lx_netlink_ifaddrmsg_t));
+
+			sin = (struct sockaddr_in6 *)&lifr->lifr_addr;
+
+			lx_netlink_reply_attr(reply, LX_NETLINK_IFA_ADDRESS,
+			    &sin->sin6_addr, sizeof (sin->sin6_addr));
+		}
+	}
+
+	lx_netlink_reply_send(reply);
+}
+
+/*ARGSUSED*/
+static int
+lx_netlink_getaddr(lx_netlink_sock_t *lxsock, lx_netlink_hdr_t *hdr, mblk_t *mp)
+{
+	lx_netlink_reply_t *reply;
+
+	reply = lx_netlink_reply(lxsock, hdr, LX_NETLINK_RTM_NEWADDR);
+
+	if (reply == NULL)
+		return (ENOMEM);
+
+	lx_netlink_reply_eachfamily(reply, lx_netlink_getaddr_lifreq, B_FALSE);
+	lx_netlink_reply_done(reply);
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+lx_netlink_audit(lx_netlink_sock_t *lxsock, lx_netlink_hdr_t *hdr, mblk_t *mp)
+{
+	/*
+	 * For all auditing messages, we return ECONNREFUSED, which seems to
+	 * keep user-level auditing happy.  (Or at least, non-suicidal.)
+	 */
+	return (ECONNREFUSED);
+}
+
+/*ARGSUSED*/
+static int
+lx_netlink_kobject_uevent(lx_netlink_sock_t *lxsock,
+    lx_netlink_hdr_t *hdr, mblk_t *mp)
+{
+	/*
+	 * For udev, we just silently accept all writes and never actually
+	 * reply with anything -- which appears to be sufficient for things
+	 * to work.
+	 */
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+lx_netlink_send(sock_lower_handle_t handle, mblk_t *mp,
+    struct nmsghdr *msg, cred_t *cr)
+{
+	lx_netlink_sock_t *lxsock = (lx_netlink_sock_t *)handle;
+	lx_netlink_hdr_t *hdr = (lx_netlink_hdr_t *)mp->b_rptr;
+	int i, rval;
+
+	static struct {
+		int proto;
+		uint16_t type;
+		int (*func)(lx_netlink_sock_t *, lx_netlink_hdr_t *, mblk_t *);
+	} handlers[] = {
+		{ LX_NETLINK_ROUTE,
+		    LX_NETLINK_RTM_GETLINK, lx_netlink_getlink },
+		{ LX_NETLINK_ROUTE,
+		    LX_NETLINK_RTM_GETADDR, lx_netlink_getaddr },
+		{ LX_NETLINK_AUDIT,
+		    LX_NETLINK_NLMSG_NONE, lx_netlink_audit },
+		{ LX_NETLINK_KOBJECT_UEVENT,
+		    LX_NETLINK_NLMSG_NONE, lx_netlink_kobject_uevent },
+		{ LX_NETLINK_NLMSG_NOOP, LX_NETLINK_NLMSG_NONE, NULL }
+	};
+
+	if (DB_TYPE(mp) != M_DATA || MBLKL(mp) < sizeof (lx_netlink_hdr_t)) {
+		freemsg(mp);
+		return (EPROTO);
+	}
+
+	for (i = 0; handlers[i].func != NULL; i++) {
+		if (lxsock->lxns_proto != handlers[i].proto)
+			continue;
+
+		if (handlers[i].type != LX_NETLINK_NLMSG_NONE &&
+		    hdr->lxnh_type != handlers[i].type)
+			continue;
+
+		rval = handlers[i].func(lxsock, hdr, mp);
+		freemsg(mp);
+
+		return (rval);
+	}
+
+	/*
+	 * An unrecognized message.  We will bounce up an EOPNOTSUPP reply.
+	 */
+	rval = lx_netlink_reply_error(lxsock, hdr, EOPNOTSUPP);
+	freemsg(mp);
+
+	return (rval);
+}
+
+/*ARGSUSED*/
+static int
+lx_netlink_close(sock_lower_handle_t handle, int flags, cred_t *cr)
+{
+	lx_netlink_sock_t *lxsock = (lx_netlink_sock_t *)handle, *sock, **prev;
+
+	mutex_enter(&lx_netlink_lock);
+
+	prev = &lx_netlink_head;
+
+	for (sock = *prev; sock != lxsock; sock = sock->lxns_next)
+		prev = &sock->lxns_next;
+
+	*prev = sock->lxns_next;
+
+	mutex_exit(&lx_netlink_lock);
+
+	(void) ldi_close(lxsock->lxns_iphandle, FREAD, kcred);
+	(void) ldi_close(lxsock->lxns_ip6handle, FREAD, kcred);
+	kmem_free(lxsock, sizeof (lx_netlink_sock_t));
+
+	return (0);
+}
+
+static sock_downcalls_t sock_lx_netlink_downcalls = {
+	lx_netlink_activate,		/* sd_activate */
+	sock_accept_notsupp,		/* sd_accept */
+	lx_netlink_bind,		/* sd_bind */
+	sock_listen_notsupp,		/* sd_listen */
+	sock_connect_notsupp,		/* sd_connect */
+	sock_getpeername_notsupp,	/* sd_getpeername */
+	lx_netlink_getsockname,		/* sd_getsockname */
+	sock_getsockopt_notsupp,	/* sd_getsockopt */
+	lx_netlink_setsockopt,		/* sd_setsockopt */
+	lx_netlink_send,		/* sd_send */
+	NULL,				/* sd_send_uio */
+	NULL,				/* sd_recv_uio */
+	NULL,				/* sd_poll */
+	sock_shutdown_notsupp,		/* sd_shutdown */
+	sock_clr_flowctrl_notsupp,	/* sd_setflowctrl */
+	sock_ioctl_notsupp,		/* sd_ioctl */
+	lx_netlink_close		/* sd_close */
+};
+
+/*ARGSUSED*/
+static sock_lower_handle_t
+lx_netlink_create(int family, int type, int proto,
+    sock_downcalls_t **sock_downcalls, uint_t *smodep, int *errorp,
+    int flags, cred_t *credp)
+{
+	lx_netlink_sock_t *lxsock;
+	ldi_handle_t handle, handle6;
+	cred_t *kcred = zone_kcred();
+	int err;
+
+	if (family != AF_LX_NETLINK ||
+	    (type != SOCK_DGRAM && type != SOCK_RAW)) {
+		*errorp = EPROTONOSUPPORT;
+		return (NULL);
+	}
+
+	switch (proto) {
+	case LX_NETLINK_ROUTE:
+	case LX_NETLINK_AUDIT:
+	case LX_NETLINK_KOBJECT_UEVENT:
+		break;
+
+	default:
+		*errorp = EPROTONOSUPPORT;
+		return (NULL);
+	}
+
+	if ((err = ldi_open_by_name(DEV_IP, FREAD, kcred,
+	    &handle, lx_netlink_ldi)) != 0) {
+		*errorp = err;
+		return (NULL);
+	}
+
+	if ((err = ldi_open_by_name(DEV_IP6, FREAD, kcred,
+	    &handle6, lx_netlink_ldi)) != 0) {
+		(void) ldi_close(handle, FREAD, kcred);
+		*errorp = err;
+		return (NULL);
+	}
+
+	*sock_downcalls = &sock_lx_netlink_downcalls;
+	*smodep = SM_ATOMIC;
+
+	lxsock = kmem_zalloc(sizeof (lx_netlink_sock_t), KM_SLEEP);
+	lxsock->lxns_iphandle = handle;
+	lxsock->lxns_ip6handle = handle6;
+	lxsock->lxns_bufsize = lx_netlink_bufsize;
+	lxsock->lxns_proto = proto;
+
+	mutex_enter(&lx_netlink_lock);
+
+	lxsock->lxns_next = lx_netlink_head;
+	lxsock->lxns_port = ++lx_netlink_port;
+	lx_netlink_head = lxsock;
+
+	mutex_exit(&lx_netlink_lock);
+
+	return ((sock_lower_handle_t)lxsock);
+}
+
+static void
+lx_netlink_init(void)
+{
+	major_t major = mod_name_to_major("ip");
+	int err;
+
+	VERIFY(major != DDI_MAJOR_T_NONE);
+
+	err = ldi_ident_from_major(major, &lx_netlink_ldi);
+	VERIFY(err == 0);
+}
+
+static void
+lx_netlink_fini(void)
+{
+	ldi_ident_release(lx_netlink_ldi);
+}
+
+static smod_reg_t sinfo = {
+	SOCKMOD_VERSION,
+	"lx_netlink",
+	SOCK_UC_VERSION,
+	SOCK_DC_VERSION,
+	lx_netlink_create,
+	NULL
+};
+
+/* modldrv structure */
+static struct modlsockmod sockmod = {
+	&mod_sockmodops, "AF_LX_NETLINK socket module", &sinfo
+};
+
+/* modlinkage structure */
+static struct modlinkage ml = {
+	MODREV_1,
+	&sockmod,
+	NULL
+};
+
+int
+_init(void)
+{
+	int err;
+
+	lx_netlink_init();
+
+	if ((err = mod_install(&ml)) != 0)
+		lx_netlink_fini();
+
+	return (err);
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&ml, modinfop));
+}
+
+int
+_fini(void)
+{
+	int err = 0;
+
+	mutex_enter(&lx_netlink_lock);
+
+	if (lx_netlink_head != NULL)
+		err = EBUSY;
+
+	mutex_exit(&lx_netlink_lock);
+
+	if (err == 0 && (err = mod_remove(&ml)) == 0)
+		lx_netlink_fini();
+
+	return (err);
+}
diff --git a/usr/src/uts/common/brand/lx/io/lx_ptm.c b/usr/src/uts/common/brand/lx/io/lx_ptm.c
new file mode 100644
index 0000000000..db13b00ea4
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/io/lx_ptm.c
@@ -0,0 +1,1165 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+
+/*
+ * This driver attempts to emulate some of the the behaviors of
+ * Linux terminal devices (/dev/ptmx and /dev/pts/[0-9][0-9]*) on Solaris
+ *
+ * It does this by layering over the /dev/ptmx device and intercepting
+ * opens to it.
+ *
+ * This driver makes the following assumptions about the way the ptm/pts
+ * drivers on Solaris work:
+ *
+ *    - all opens of the /dev/ptmx device node return a unique dev_t.
+ *
+ *    - the dev_t minor node value for each open ptm instance corrospondes
+ *      to it's associated slave terminal device number.  ie. the path to
+ *      the slave terminal device associated with an open ptm instance
+ *      who's dev_t minor node vaue is 5, is /dev/pts/5.
+ *
+ *    - the ptm driver always allocates the lowest numbered slave terminal
+ *      device possible.
+ */
+
+#include <sys/conf.h>
+#include <sys/ddi.h>
+#include <sys/devops.h>
+#include <sys/file.h>
+#include <sys/filio.h>
+#include <sys/kstr.h>
+#include <sys/lx_ptm.h>
+#include <sys/modctl.h>
+#include <sys/pathname.h>
+#include <sys/ptms.h>
+#include <sys/ptyvar.h>
+#include <sys/stat.h>
+#include <sys/stropts.h>
+#include <sys/sunddi.h>
+#include <sys/sunldi.h>
+#include <sys/sysmacros.h>
+#include <sys/types.h>
+
+#define	LP_PTM_PATH		"/dev/ptmx"
+#define	LP_PTS_PATH		"/dev/pts/"
+#define	LP_PTS_DRV_NAME		"pts"
+#define	LP_PTS_USEC_DELAY	(5 * 1000)	/* 5 ms */
+#define	LP_PTS_USEC_DELAY_MAX	(5 * MILLISEC)	/* 5 ms */
+
+/*
+ * this driver is layered on top of the ptm driver.  we'd like to
+ * make this drivers minor name space a mirror of the ptm drivers
+ * namespace, but we can't actually do this.  the reason is that the
+ * ptm driver is opened via the clone driver.  there for no minor nodes
+ * of the ptm driver are actually accessible via the filesystem.
+ * since we're not a streams device we can't be opened by the clone
+ * driver.  there for we need to have at least minor node accessible
+ * via the filesystem so that consumers can open it.  we use the device
+ * node with a minor number of 0 for this purpose.  what this means is
+ * that minor node 0 can't be used to map ptm minor node 0.  since this
+ * minor node is now reserved we need to shift our ptm minor node
+ * mappings by one.  ie. a ptm minor node with a value of 0 will
+ * corrospond to our minor node with a value of 1.  these mappings are
+ * managed with the following macros.
+ */
+#define	DEVT_TO_INDEX(x)	LX_PTM_DEV_TO_PTS(x)
+#define	INDEX_TO_MINOR(x)	((x) + 1)
+
+/*
+ * grow our layered handle array by the same size increment that the ptm
+ * driver uses to grow the pty device space - PTY_MAXDELTA
+ */
+#define	LP_PTY_INC	128
+
+/*
+ * lx_ptm_ops contains state information about outstanding operations on the
+ * underlying master terminal device.  Currently we only track information
+ * for read operations.
+ *
+ * Note that this data has not been rolled directly into the lx_ptm_handle
+ * structure because we can't put mutex's of condition variables into
+ * lx_ptm_handle structure.  The reason is that the array of lx_ptm_handle
+ * structures linked to from the global lx_ptm state can be resized
+ * dynamically, and when it's resized, the new array is at a different
+ * memory location and the old array memory is discarded.  Mutexs and cvs
+ * are accessed based off their address, so if this array was re-sized while
+ * there were outstanding operations on any mutexs or cvs in the array
+ * then the system would tip over.  In the future the lx_ptm_handle structure
+ * array should probably be replaced with either an array of pointers to
+ * lx_ptm_handle structures or some other kind of data structure containing
+ * pointers to lx_ptm_handle structures.  Then the lx_ptm_ops structure
+ * could be folded directly into the lx_ptm_handle structures.  (This will
+ * also require the definition of a new locking mechanism to protect the
+ * contents of lx_ptm_handle structures.)
+ */
+typedef struct lx_ptm_ops {
+	int			lpo_rops;
+	kcondvar_t		lpo_rops_cv;
+	kmutex_t		lpo_rops_lock;
+} lx_ptm_ops_t;
+
+/*
+ * Every open of the master terminal device in a zone results in a new
+ * lx_ptm_handle handle allocation.  These handles are stored in an array
+ * hanging off the lx_ptm_state structure.
+ */
+typedef struct lx_ptm_handle {
+	/* Device handle to the underlying real /dev/ptmx master terminal. */
+	ldi_handle_t		lph_handle;
+
+	/* Flag to indicate if TIOCPKT mode has been enabled. */
+	int			lph_pktio;
+
+	/* Number of times the slave device has been opened/closed. */
+	int			lph_eofed;
+
+	/* Callback handler in the ptm driver to check if slave is open. */
+	ptmptsopencb_t		lph_ppocb;
+
+	/* Pointer to state for operations on underlying device. */
+	lx_ptm_ops_t		*lph_lpo;
+} lx_ptm_handle_t;
+
+/*
+ * Global state for the lx_ptm driver.
+ */
+typedef struct lx_ptm_state {
+	/* lx_ptm device devinfo pointer */
+	dev_info_t		*lps_dip;
+
+	/* LDI ident used to open underlying real /dev/ptmx master terminals. */
+	ldi_ident_t		lps_li;
+
+	/* pts drivers major number */
+	major_t			lps_pts_major;
+
+	/* rw lock used to manage access and growth of lps_lh_array */
+	krwlock_t		lps_lh_rwlock;
+
+	/* number of elements in lps_lh_array */
+	uint_t			lps_lh_count;
+
+	/* Array of handles to underlying real /dev/ptmx master terminals. */
+	lx_ptm_handle_t		*lps_lh_array;
+} lx_ptm_state_t;
+
+/* Pointer to the lx_ptm global state structure. */
+static lx_ptm_state_t	lps;
+
+/*
+ * List of modules to be autopushed onto slave terminal devices when they
+ * are opened in an lx branded zone.
+ */
+static char *lx_pts_mods[] = {
+	"ptem",
+	"ldterm",
+	"ttcompat",
+	NULL
+};
+
+static void
+lx_ptm_lh_grow(uint_t index)
+{
+	uint_t			new_lh_count, old_lh_count;
+	lx_ptm_handle_t		*new_lh_array, *old_lh_array;
+
+	/*
+	 * allocate a new array.  we drop the rw lock on the array so that
+	 * readers can still access devices in case our memory allocation
+	 * blocks.
+	 */
+	new_lh_count = MAX(lps.lps_lh_count + LP_PTY_INC, index + 1);
+	new_lh_array =
+	    kmem_zalloc(sizeof (lx_ptm_handle_t) * new_lh_count, KM_SLEEP);
+
+	/*
+	 * double check that we still actually need to increase the size
+	 * of the array
+	 */
+	rw_enter(&lps.lps_lh_rwlock, RW_WRITER);
+	if (index < lps.lps_lh_count) {
+		/* someone beat us to it so there's nothing more to do */
+		rw_exit(&lps.lps_lh_rwlock);
+		kmem_free(new_lh_array,
+		    sizeof (lx_ptm_handle_t) * new_lh_count);
+		return;
+	}
+
+	/* copy the existing data into the new array */
+	ASSERT((lps.lps_lh_count != 0) || (lps.lps_lh_array == NULL));
+	ASSERT((lps.lps_lh_count == 0) || (lps.lps_lh_array != NULL));
+	if (lps.lps_lh_count != 0) {
+		bcopy(lps.lps_lh_array, new_lh_array,
+		    sizeof (lx_ptm_handle_t) * lps.lps_lh_count);
+	}
+
+	/* save info on the old array */
+	old_lh_array = lps.lps_lh_array;
+	old_lh_count = lps.lps_lh_count;
+
+	/* install the new array */
+	lps.lps_lh_array = new_lh_array;
+	lps.lps_lh_count = new_lh_count;
+
+	rw_exit(&lps.lps_lh_rwlock);
+
+	/* free the old array */
+	if (old_lh_array != NULL) {
+		kmem_free(old_lh_array,
+		    sizeof (lx_ptm_handle_t) * old_lh_count);
+	}
+}
+
+static void
+lx_ptm_lh_insert(uint_t index, ldi_handle_t lh)
+{
+	lx_ptm_ops_t *lpo;
+
+	ASSERT(lh != NULL);
+
+	/* Allocate and initialize the ops structure */
+	lpo = kmem_zalloc(sizeof (lx_ptm_ops_t), KM_SLEEP);
+	mutex_init(&lpo->lpo_rops_lock, NULL, MUTEX_DEFAULT, NULL);
+	cv_init(&lpo->lpo_rops_cv, NULL, CV_DEFAULT, NULL);
+
+	rw_enter(&lps.lps_lh_rwlock, RW_WRITER);
+
+	/* check if we need to grow the size of the layered handle array */
+	if (index >= lps.lps_lh_count) {
+		rw_exit(&lps.lps_lh_rwlock);
+		lx_ptm_lh_grow(index);
+		rw_enter(&lps.lps_lh_rwlock, RW_WRITER);
+	}
+
+	ASSERT(index < lps.lps_lh_count);
+	ASSERT(lps.lps_lh_array[index].lph_handle == NULL);
+	ASSERT(lps.lps_lh_array[index].lph_pktio == 0);
+	ASSERT(lps.lps_lh_array[index].lph_eofed == 0);
+	ASSERT(lps.lps_lh_array[index].lph_lpo == NULL);
+
+	/* insert the new handle and return */
+	lps.lps_lh_array[index].lph_handle = lh;
+	lps.lps_lh_array[index].lph_pktio = 0;
+	lps.lps_lh_array[index].lph_eofed = 0;
+	lps.lps_lh_array[index].lph_lpo = lpo;
+
+	rw_exit(&lps.lps_lh_rwlock);
+}
+
+static ldi_handle_t
+lx_ptm_lh_remove(uint_t index)
+{
+	ldi_handle_t	lh;
+
+	rw_enter(&lps.lps_lh_rwlock, RW_WRITER);
+
+	ASSERT(index < lps.lps_lh_count);
+	ASSERT(lps.lps_lh_array[index].lph_handle != NULL);
+	ASSERT(lps.lps_lh_array[index].lph_lpo->lpo_rops == 0);
+	ASSERT(!MUTEX_HELD(&lps.lps_lh_array[index].lph_lpo->lpo_rops_lock));
+
+	/* free the write handle */
+	kmem_free(lps.lps_lh_array[index].lph_lpo, sizeof (lx_ptm_ops_t));
+	lps.lps_lh_array[index].lph_lpo = NULL;
+
+	/* remove the handle and return it */
+	lh = lps.lps_lh_array[index].lph_handle;
+	lps.lps_lh_array[index].lph_handle = NULL;
+	lps.lps_lh_array[index].lph_pktio = 0;
+	lps.lps_lh_array[index].lph_eofed = 0;
+	rw_exit(&lps.lps_lh_rwlock);
+	return (lh);
+}
+
+static void
+lx_ptm_lh_get_ppocb(uint_t index, ptmptsopencb_t *ppocb)
+{
+	rw_enter(&lps.lps_lh_rwlock, RW_WRITER);
+
+	ASSERT(index < lps.lps_lh_count);
+	ASSERT(lps.lps_lh_array[index].lph_handle != NULL);
+
+	*ppocb = lps.lps_lh_array[index].lph_ppocb;
+	rw_exit(&lps.lps_lh_rwlock);
+}
+
+static void
+lx_ptm_lh_set_ppocb(uint_t index, ptmptsopencb_t *ppocb)
+{
+	rw_enter(&lps.lps_lh_rwlock, RW_WRITER);
+
+	ASSERT(index < lps.lps_lh_count);
+	ASSERT(lps.lps_lh_array[index].lph_handle != NULL);
+
+	lps.lps_lh_array[index].lph_ppocb = *ppocb;
+	rw_exit(&lps.lps_lh_rwlock);
+}
+
+static ldi_handle_t
+lx_ptm_lh_lookup(uint_t index)
+{
+	ldi_handle_t	lh;
+
+	rw_enter(&lps.lps_lh_rwlock, RW_READER);
+
+	ASSERT(index < lps.lps_lh_count);
+	ASSERT(lps.lps_lh_array[index].lph_handle != NULL);
+
+	/* return the handle */
+	lh = lps.lps_lh_array[index].lph_handle;
+	rw_exit(&lps.lps_lh_rwlock);
+	return (lh);
+}
+
+static lx_ptm_ops_t *
+lx_ptm_lpo_lookup(uint_t index)
+{
+	lx_ptm_ops_t	*lpo;
+
+	rw_enter(&lps.lps_lh_rwlock, RW_READER);
+
+	ASSERT(index < lps.lps_lh_count);
+	ASSERT(lps.lps_lh_array[index].lph_lpo != NULL);
+
+	/* return the handle */
+	lpo = lps.lps_lh_array[index].lph_lpo;
+	rw_exit(&lps.lps_lh_rwlock);
+	return (lpo);
+}
+
+static int
+lx_ptm_lh_pktio_get(uint_t index)
+{
+	int		pktio;
+
+	rw_enter(&lps.lps_lh_rwlock, RW_READER);
+
+	ASSERT(index < lps.lps_lh_count);
+	ASSERT(lps.lps_lh_array[index].lph_handle != NULL);
+
+	/* return the pktio state */
+	pktio = lps.lps_lh_array[index].lph_pktio;
+	rw_exit(&lps.lps_lh_rwlock);
+	return (pktio);
+}
+
+static void
+lx_ptm_lh_pktio_set(uint_t index, int pktio)
+{
+	rw_enter(&lps.lps_lh_rwlock, RW_WRITER);
+
+	ASSERT(index < lps.lps_lh_count);
+	ASSERT(lps.lps_lh_array[index].lph_handle != NULL);
+
+	/* set the pktio state */
+	lps.lps_lh_array[index].lph_pktio = pktio;
+	rw_exit(&lps.lps_lh_rwlock);
+}
+
+static int
+lx_ptm_lh_eofed_get(uint_t index)
+{
+	int		eofed;
+
+	rw_enter(&lps.lps_lh_rwlock, RW_READER);
+
+	ASSERT(index < lps.lps_lh_count);
+	ASSERT(lps.lps_lh_array[index].lph_handle != NULL);
+
+	/* return the eofed state */
+	eofed = lps.lps_lh_array[index].lph_eofed;
+	rw_exit(&lps.lps_lh_rwlock);
+	return (eofed);
+}
+
+static void
+lx_ptm_lh_eofed_set(uint_t index)
+{
+	rw_enter(&lps.lps_lh_rwlock, RW_WRITER);
+
+	ASSERT(index < lps.lps_lh_count);
+	ASSERT(lps.lps_lh_array[index].lph_handle != NULL);
+
+	/* set the eofed state */
+	lps.lps_lh_array[index].lph_eofed++;
+	rw_exit(&lps.lps_lh_rwlock);
+}
+
+static int
+lx_ptm_read_start(dev_t dev)
+{
+	lx_ptm_ops_t	*lpo = lx_ptm_lpo_lookup(DEVT_TO_INDEX(dev));
+
+	mutex_enter(&lpo->lpo_rops_lock);
+	ASSERT(lpo->lpo_rops >= 0);
+
+	/* Wait for other read operations to finish */
+	while (lpo->lpo_rops != 0) {
+		if (cv_wait_sig(&lpo->lpo_rops_cv, &lpo->lpo_rops_lock) == 0) {
+			mutex_exit(&lpo->lpo_rops_lock);
+			return (-1);
+		}
+	}
+
+	/* Start a read operation */
+	VERIFY(++lpo->lpo_rops == 1);
+	mutex_exit(&lpo->lpo_rops_lock);
+	return (0);
+}
+
+static void
+lx_ptm_read_end(dev_t dev)
+{
+	lx_ptm_ops_t	*lpo = lx_ptm_lpo_lookup(DEVT_TO_INDEX(dev));
+
+	mutex_enter(&lpo->lpo_rops_lock);
+	ASSERT(lpo->lpo_rops >= 0);
+
+	/* End a read operation */
+	VERIFY(--lpo->lpo_rops == 0);
+	cv_signal(&lpo->lpo_rops_cv);
+
+	mutex_exit(&lpo->lpo_rops_lock);
+}
+
+static int
+lx_ptm_pts_isopen(dev_t dev)
+{
+	ptmptsopencb_t	ppocb;
+
+	lx_ptm_lh_get_ppocb(DEVT_TO_INDEX(dev), &ppocb);
+	return (ppocb.ppocb_func(ppocb.ppocb_arg));
+}
+
+static void
+lx_ptm_eof_read(ldi_handle_t lh)
+{
+	struct uio	uio;
+	iovec_t		iov;
+	char		junk[1];
+
+	/*
+	 * We can remove any EOF message from the head of the stream by
+	 * doing a zero byte read from the stream.
+	 */
+	iov.iov_len = 0;
+	iov.iov_base = junk;
+	uio.uio_iovcnt = 1;
+	uio.uio_iov = &iov;
+	uio.uio_resid = iov.iov_len;
+	uio.uio_offset = 0;
+	uio.uio_segflg = UIO_SYSSPACE;
+	uio.uio_fmode = 0;
+	uio.uio_extflg = 0;
+	uio.uio_llimit = MAXOFFSET_T;
+	(void) ldi_read(lh, &uio, kcred);
+}
+
+static int
+lx_ptm_eof_drop_1(dev_t dev, int *rvalp)
+{
+	ldi_handle_t	lh = lx_ptm_lh_lookup(DEVT_TO_INDEX(dev));
+	int		err, msg_size, msg_count;
+
+	*rvalp = 0;
+
+	/*
+	 * Check if there is an EOF message (represented by a zero length
+	 * data message) at the head of the stream.  Note that the
+	 * I_NREAD ioctl is a streams framework ioctl so it will succeed
+	 * even if there have been previous write errors on this stream.
+	 */
+	if ((err = ldi_ioctl(lh, I_NREAD, (intptr_t)&msg_size,
+	    FKIOCTL, kcred, &msg_count)) != 0)
+		return (err);
+
+	if ((msg_count == 0) || (msg_size != 0)) {
+		/* No EOF message found */
+		return (0);
+	}
+
+	/* Record the fact that the slave device has been closed. */
+	lx_ptm_lh_eofed_set(DEVT_TO_INDEX(dev));
+
+	/* drop the EOF */
+	lx_ptm_eof_read(lh);
+	*rvalp = 1;
+	return (0);
+}
+
+static int
+lx_ptm_eof_drop(dev_t dev, int *rvalp)
+{
+	int rval, err;
+
+	if (rvalp != NULL)
+		*rvalp = 0;
+	for (;;) {
+		if ((err = lx_ptm_eof_drop_1(dev, &rval)) != 0)
+			return (err);
+		if (rval == 0)
+			return (0);
+		if (rvalp != NULL)
+			*rvalp = 1;
+	}
+}
+
+static int
+lx_ptm_data_check(dev_t dev, int ignore_eof, int *rvalp)
+{
+	ldi_handle_t	lh = lx_ptm_lh_lookup(DEVT_TO_INDEX(dev));
+	int		err;
+
+	*rvalp = 0;
+	if (ignore_eof) {
+		int	size, rval;
+
+		if ((err = ldi_ioctl(lh, FIONREAD, (intptr_t)&size,
+		    FKIOCTL, kcred, &rval)) != 0)
+			return (err);
+		if (size != 0)
+			*rvalp = 1;
+	} else {
+		int	msg_size, msg_count;
+
+		if ((err = ldi_ioctl(lh, I_NREAD, (intptr_t)&msg_size,
+		    FKIOCTL, kcred, &msg_count)) != 0)
+			return (err);
+		if (msg_count != 0)
+			*rvalp = 1;
+	}
+	return (0);
+}
+
+static int
+lx_ptm_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
+{
+	int err;
+
+	if (cmd != DDI_ATTACH)
+		return (DDI_FAILURE);
+
+	if (ddi_create_minor_node(dip, LX_PTM_MINOR_NODE, S_IFCHR,
+	    ddi_get_instance(dip), DDI_PSEUDO, 0) != DDI_SUCCESS)
+		return (DDI_FAILURE);
+
+	err = ldi_ident_from_dip(dip, &lps.lps_li);
+	if (err != 0) {
+		ddi_remove_minor_node(dip, ddi_get_name(dip));
+		return (DDI_FAILURE);
+	}
+
+	lps.lps_dip = dip;
+	lps.lps_pts_major = ddi_name_to_major(LP_PTS_DRV_NAME);
+
+	rw_init(&lps.lps_lh_rwlock, NULL, RW_DRIVER, NULL);
+	lps.lps_lh_count = 0;
+	lps.lps_lh_array = NULL;
+
+	return (DDI_SUCCESS);
+}
+
+/*ARGSUSED*/
+static int
+lx_ptm_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
+{
+	if (cmd != DDI_DETACH)
+		return (DDI_FAILURE);
+
+	ldi_ident_release(lps.lps_li);
+	lps.lps_dip = NULL;
+
+	ASSERT((lps.lps_lh_count != 0) || (lps.lps_lh_array == NULL));
+	ASSERT((lps.lps_lh_count == 0) || (lps.lps_lh_array != NULL));
+	if (lps.lps_lh_array != NULL) {
+		kmem_free(lps.lps_lh_array,
+		    sizeof (lx_ptm_handle_t) * lps.lps_lh_count);
+		lps.lps_lh_array = NULL;
+		lps.lps_lh_count = 0;
+	}
+
+	return (DDI_SUCCESS);
+}
+
+/*ARGSUSED*/
+static int
+lx_ptm_open(dev_t *devp, int flag, int otyp, cred_t *credp)
+{
+	struct strioctl	iocb;
+	ptmptsopencb_t	ppocb = { NULL, NULL };
+	ldi_handle_t	lh;
+	major_t		maj, our_major = getmajor(*devp);
+	minor_t		min, lastmin;
+	uint_t		index, anchor = 1;
+	dev_t		ptm_dev;
+	int		err, rval = 0;
+
+	/*
+	 * Don't support the FNDELAY flag and FNONBLOCK until we either
+	 * find a Linux app that opens /dev/ptmx with the O_NDELAY
+	 * or O_NONBLOCK flags explicitly, or until we create test cases
+	 * to determine how reads of master terminal devices opened with
+	 * these flags behave in different situations on Linux.  Supporting
+	 * these flags will involve enhancing our read implementation
+	 * and changing the way it deals with EOF notifications.
+	 */
+	if (flag & (FNDELAY | FNONBLOCK))
+		return (ENOTSUP);
+
+	/*
+	 * we're layered on top of the ptm driver so open that driver
+	 * first.  (note that we're opening /dev/ptmx in the global
+	 * zone, not ourselves in the Linux zone.)
+	 */
+	err = ldi_open_by_name(LP_PTM_PATH, flag, credp, &lh, lps.lps_li);
+	if (err != 0)
+		return (err);
+
+	/* get the devt returned by the ptmx open */
+	err = ldi_get_dev(lh, &ptm_dev);
+	if (err != 0) {
+		(void) ldi_close(lh, flag, credp);
+		return (err);
+	}
+
+	/*
+	 * we're a cloning driver so here's well change the devt that we
+	 * return.  the ptmx is also a cloning driver so we'll just use
+	 * it's minor number as our minor number (it already manages it's
+	 * minor name space so no reason to duplicate the effort.)
+	 */
+	index = getminor(ptm_dev);
+	*devp = makedevice(our_major, INDEX_TO_MINOR(index));
+
+	/* Get a callback function to query if the pts device is open. */
+	iocb.ic_cmd = PTMPTSOPENCB;
+	iocb.ic_timout = 0;
+	iocb.ic_len = sizeof (ppocb);
+	iocb.ic_dp = (char *)&ppocb;
+
+	err = ldi_ioctl(lh, I_STR, (intptr_t)&iocb, FKIOCTL, kcred, &rval);
+	if ((err != 0) || (rval != 0)) {
+		(void) ldi_close(lh, flag, credp);
+		return (EIO); /* XXX return something else here? */
+	}
+	ASSERT(ppocb.ppocb_func != NULL);
+
+	/*
+	 * now setup autopush for the terminal slave device.  this is
+	 * necessary so that when a Linux program opens the device we
+	 * can push required strmod modules onto the stream.  in Solaris
+	 * this is normally done by the application that actually
+	 * allocates the terminal.
+	 */
+	maj = lps.lps_pts_major;
+	min = index;
+	lastmin = 0;
+	err = kstr_autopush(SET_AUTOPUSH, &maj, &min, &lastmin,
+	    &anchor, lx_pts_mods);
+	if (err != 0) {
+		(void) ldi_close(lh, flag, credp);
+		return (EIO); /* XXX return something else here? */
+	}
+
+	/* save off this layered handle for future accesses */
+	lx_ptm_lh_insert(index, lh);
+	lx_ptm_lh_set_ppocb(index, &ppocb);
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+lx_ptm_close(dev_t dev, int flag, int otyp, cred_t *credp)
+{
+	ldi_handle_t	lh;
+	major_t		maj;
+	minor_t		min, lastmin;
+	uint_t		index;
+	int		err;
+	int		i;
+
+	index = DEVT_TO_INDEX(dev);
+
+	/*
+	 * we must cleanup all the state associated with this major/minor
+	 * terminal pair before actually closing the ptm master device.
+	 * this is required because once the close of the ptm device is
+	 * complete major/minor terminal pair is immediatly available for
+	 * re-use in any zone.
+	 */
+
+	/* free up our saved reference for this layered handle */
+	lh = lx_ptm_lh_remove(index);
+
+	/* unconfigure autopush for the associated terminal slave device */
+	maj = lps.lps_pts_major;
+	min = index;
+	lastmin = 0;
+	for (i = 0; i < 5; i++) {
+		/*
+		 * we loop here because we don't want to release this ptm
+		 * node if autopush can't be disabled on the associated
+		 * slave device because then bad things could happen if
+		 * another brand were to get this terminal allocated
+		 * to them. If we keep failing we eventually drive on so that
+		 * things don't hang.
+		 */
+		err = kstr_autopush(CLR_AUTOPUSH, &maj, &min, &lastmin,
+		    0, NULL);
+		if (err == 0)
+			break;
+
+		cmn_err(CE_WARN, "lx zoneid %d: error %d on kstr_autopush",
+		    getzoneid(), err);
+
+		/* wait one second and try again */
+		delay(drv_usectohz(1000000));
+	}
+
+	err = ldi_close(lh, flag, credp);
+
+	/*
+	 * note that we don't have to bother with changing the permissions
+	 * on the associated slave device here.  the reason is that no one
+	 * can actually open the device untill it's associated master
+	 * device is re-opened, which will result in the permissions on
+	 * it being reset.
+	 */
+	return (err);
+}
+
+static int
+lx_ptm_read_loop(dev_t dev, struct uio *uiop, cred_t *credp, int *loop)
+{
+	ldi_handle_t	lh = lx_ptm_lh_lookup(DEVT_TO_INDEX(dev));
+	int		err, rval;
+	struct uio	uio = *uiop;
+
+	*loop = 0;
+
+	/*
+	 * Here's another way that Linux master terminals behave differently
+	 * from Solaris master terminals.  If you do a read on a Linux
+	 * master terminal (that was opened witout NDELAY and NONBLOCK)
+	 * who's corrosponding slave terminal is currently closed and
+	 * has been opened and closed at least once, Linux return -1 and
+	 * set errno to EIO where as Solaris blocks.
+	 */
+	if (lx_ptm_lh_eofed_get(DEVT_TO_INDEX(dev))) {
+		/* Slave has been opened and closed at least once. */
+		if (lx_ptm_pts_isopen(dev) == 0) {
+			/*
+			 * Slave is closed.  Make sure that data is avaliable
+			 * before attempting a read.
+			 */
+			if ((err = lx_ptm_data_check(dev, 0, &rval)) != 0)
+				return (err);
+
+			/* If there is no data available then return. */
+			if (rval == 0)
+				return (EIO);
+		}
+	}
+
+	/* Actually do the read operation. */
+	if ((err = ldi_read(lh, uiop, credp)) != 0)
+		return (err);
+
+	/* If read returned actual data then return. */
+	if (uio.uio_resid != uiop->uio_resid)
+		return (0);
+
+	/*
+	 * This was a zero byte read (ie, an EOF).  This indicates
+	 * that the slave terinal device has been closed.  Record
+	 * the fact that the slave device has been closed and retry
+	 * the read operation.
+	 */
+	lx_ptm_lh_eofed_set(DEVT_TO_INDEX(dev));
+	*loop = 1;
+	return (0);
+}
+
+static int
+lx_ptm_read(dev_t dev, struct uio *uiop, cred_t *credp)
+{
+	int		pktio = lx_ptm_lh_pktio_get(DEVT_TO_INDEX(dev));
+	int		err, loop;
+	struct uio	uio;
+	struct iovec	iovp;
+
+	ASSERT(uiop->uio_iovcnt > 0);
+
+	/*
+	 * If packet mode has been enabled (via TIOCPKT) we need to pad
+	 * all read requests with a leading byte that indicates any
+	 * relevant control status information.
+	 */
+	if (pktio != 0) {
+		/*
+		 * We'd like to write the control information into
+		 * the current buffer but we can't yet.  We don't
+		 * want to modify userspace memory here only to have
+		 * the read operation fail later.  So instead
+		 * what we'll do here is read one character from the
+		 * beginning of the memory pointed to by the uio
+		 * structure.  This will advance the output pointer
+		 * by one.  Then when the read completes successfully
+		 * we can update the byte that we passed over.  Before
+		 * we do the read make a copy of the current uiop and
+		 * iovec structs so we can write to them later.
+		 */
+		uio = *uiop;
+		iovp = *uiop->uio_iov;
+		uio.uio_iov = &iovp;
+
+		if (uwritec(uiop) == -1)
+			return (EFAULT);
+	}
+
+	do {
+		/*
+		 * Before we actually attempt a read operation we need
+		 * to make sure there's some buffer space to actually
+		 * read in some data.  We do this because if we're in
+		 * pktio mode and the caller only requested one byte,
+		 * then we've already used up that one byte and we
+		 * don't want to pass this read request.  Doing a 0
+		 * byte read (unless there is a problem with the stream
+		 * head) always returns succcess.  Normally when a streams
+		 * read returns 0 bytes we interpret that as an EOF on
+		 * the stream (ie, the slave side has been opened and
+		 * closed) and we ignore it and re-try the read operation.
+		 * So if we pass on a 0 byte read here lx_ptm_read_loop()
+		 * will tell us to loop around and we'll end up in an
+		 * infinite loop.
+		 */
+		if (uiop->uio_resid == 0)
+			break;
+
+		/*
+		 * Serialize all reads.  We need to do this so that we can
+		 * properly emulate the behavior of master terminals on Linux.
+		 * In reality this serializaion should not pose any kind of
+		 * performance problem since it would be very strange to have
+		 * multiple threads trying to read from the same master
+		 * terminal device concurrently.
+		 */
+		if (lx_ptm_read_start(dev) != 0)
+			return (EINTR);
+
+		err = lx_ptm_read_loop(dev, uiop, credp, &loop);
+		lx_ptm_read_end(dev);
+		if (err != 0)
+			return (err);
+	} while (loop != 0);
+
+	if (pktio != 0) {
+		uint8_t		pktio_data = TIOCPKT_DATA;
+
+		/*
+		 * Note that the control status information we
+		 * pass back is faked up in the sense that we
+		 * don't actually report any events, we always
+		 * report a status of 0.
+		 */
+		if (uiomove(&pktio_data, 1, UIO_READ, &uio) != 0)
+			return (EFAULT);
+	}
+
+	return (0);
+}
+
+static int
+lx_ptm_write(dev_t dev, struct uio *uiop, cred_t *credp)
+{
+	ldi_handle_t		lh = lx_ptm_lh_lookup(DEVT_TO_INDEX(dev));
+	int		err;
+
+	err = ldi_write(lh, uiop, credp);
+
+	return (err);
+}
+
+static int
+lx_ptm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp,
+    int *rvalp)
+{
+	ldi_handle_t	lh = lx_ptm_lh_lookup(DEVT_TO_INDEX(dev));
+	int		err;
+
+	/*
+	 * here we need to make sure that we never allow the
+	 * I_SETSIG and I_ESETSIG ioctls to pass through.  we
+	 * do this because we can't support them.
+	 *
+	 * the native Solaris ptm device supports these ioctls because
+	 * they are streams framework ioctls and all streams devices
+	 * support them by default.  these ioctls cause the current
+	 * process to be registered with a stream and receive signals
+	 * when certain stream events occur.
+	 *
+	 * a problem arises with cleanup of these registrations
+	 * for layered drivers.
+	 *
+	 * normally the streams framework is notified whenever a
+	 * process closes any reference to a stream and it goes ahead
+	 * and cleans up these registrations.  but actual device drivers
+	 * are not notified when a process performs a close operation
+	 * unless the process is closing the last opened reference to
+	 * the device on the entire system.
+	 *
+	 * so while we could pass these ioctls on and allow processes
+	 * to register for signal delivery, we would never receive
+	 * any notification when those processes exit (or close a
+	 * stream) and we wouldn't be able to unregister them.
+	 *
+	 * luckily these operations are streams specific and Linux
+	 * doesn't support streams devices.  so it doesn't actually
+	 * seem like we need to support these ioctls.  if it turns
+	 * out that we do need to support them for some reason in
+	 * the future, the current driver model will have to be
+	 * enhanced to better support streams device layering.
+	 */
+	if ((cmd == I_SETSIG) || (cmd == I_ESETSIG))
+		return (EINVAL);
+
+	/*
+	 * here we fake up support for TIOCPKT.  Linux applications expect
+	 * /etc/ptmx to support this ioctl, but on Solaris it doesn't.
+	 * (it is supported on older bsd style ptys.)  so we'll fake
+	 * up support for it here.
+	 *
+	 * the reason that this ioctl is emulated here instead of in
+	 * userland is that this ioctl affects the results returned
+	 * from read() operations.  if this ioctl was emulated in
+	 * userland the brand library would need to intercept all
+	 * read operations and check to see if pktio was enabled
+	 * for the fd being read from.  since this ioctl only needs
+	 * to be supported on the ptmx device it makes more sense
+	 * to support it here where we can easily update the results
+	 * returned for read() operations performed on ourselves.
+	 */
+	if (cmd == TIOCPKT) {
+		int	pktio;
+
+		if (ddi_copyin((void *)arg, &pktio, sizeof (pktio),
+		    mode) != DDI_SUCCESS)
+			return (EFAULT);
+
+		if (pktio == 0)
+			lx_ptm_lh_pktio_set(DEVT_TO_INDEX(dev), 0);
+		else
+			lx_ptm_lh_pktio_set(DEVT_TO_INDEX(dev), 1);
+
+		return (0);
+	}
+
+	err = ldi_ioctl(lh, cmd, arg, mode, credp, rvalp);
+
+	return (err);
+}
+
+static int
+lx_ptm_poll_loop(dev_t dev, short events, int anyyet, short *reventsp,
+    struct pollhead **phpp, int *loop)
+{
+	ldi_handle_t	lh = lx_ptm_lh_lookup(DEVT_TO_INDEX(dev));
+	short		reventsp2;
+	int		err, rval;
+
+	*loop = 0;
+
+	/*
+	 * If the slave device has been opened and closed at least
+	 * once and the slave device is currently closed, then poll
+	 * always needs to returns immediatly.
+	 */
+	if ((lx_ptm_lh_eofed_get(DEVT_TO_INDEX(dev)) != 0) &&
+	    (lx_ptm_pts_isopen(dev) == 0)) {
+		/* In this case always return POLLHUP */
+		*reventsp = POLLHUP;
+
+		/*
+		 * Check if there really is data on the stream.
+		 * If so set the correct return flags.
+		 */
+		if ((err = lx_ptm_data_check(dev, 1, &rval)) != 0) {
+			/* Something went wrong. */
+			return (err);
+		}
+		if (rval != 0)
+			*reventsp |= (events & (POLLIN | POLLRDNORM));
+
+		/*
+		 * Is the user checking for writability?  Note that for ptm
+		 * devices Linux seems to ignore the POLLWRBAND write flag.
+		 */
+		if ((events & POLLWRNORM) == 0)
+			return (0);
+
+		/*
+		 * To check if the stream is writable we have to actually
+		 * call poll, but make sure to set anyyet to 1 to prevent
+		 * the streams framework from setting up callbacks.
+		 */
+		if ((err = ldi_poll(lh, POLLWRNORM, 1, &reventsp2, NULL)) != 0)
+			return (err);
+
+		*reventsp |= (reventsp2 & POLLWRNORM);
+	} else {
+		int lockstate;
+
+		/* The slave device is open, do the poll */
+		if ((err = ldi_poll(lh, events, anyyet, reventsp, phpp)) != 0)
+			return (err);
+
+		/*
+		 * Drop any leading EOFs on the stream.
+		 *
+		 * Note that we have to use pollunlock() here to avoid
+		 * recursive mutex enters in the poll framework.  The
+		 * reason is that if there is an EOF message on the stream
+		 * then the act of reading from the queue to remove the
+		 * message can cause the ptm drivers event service
+		 * routine to be invoked, and if there is no open
+		 * slave device then the ptm driver may generate
+		 * error messages and put them on the stream.  This
+		 * in turn will generate a poll event and the poll
+		 * framework will try to invoke any poll callbacks
+		 * associated with the stream.  In the process of
+		 * doing that the poll framework will try to aquire
+		 * locks that we are already holding.  So we need to
+		 * drop those locks here before we do our read.
+		 */
+		lockstate = pollunlock();
+		err = lx_ptm_eof_drop(dev, &rval);
+		pollrelock(lockstate);
+		if (err)
+			return (err);
+
+		/* If no EOF was dropped then return */
+		if (rval == 0)
+			return (0);
+
+		/*
+		 * An EOF was removed from the stream.  Retry the entire
+		 * poll operation from the top because polls on the ptm
+		 * device should behave differently now.
+		 */
+		*loop = 1;
+	}
+	return (0);
+}
+
+static int
+lx_ptm_poll(dev_t dev, short events, int anyyet, short *reventsp,
+    struct pollhead **phpp)
+{
+	int loop, err;
+
+	do {
+		/* Serialize ourself wrt read operations. */
+		if (lx_ptm_read_start(dev) != 0)
+			return (EINTR);
+
+		err = lx_ptm_poll_loop(dev,
+		    events, anyyet, reventsp, phpp, &loop);
+		lx_ptm_read_end(dev);
+		if (err != 0)
+			return (err);
+	} while (loop != 0);
+	return (0);
+}
+
+static struct cb_ops lx_ptm_cb_ops = {
+	lx_ptm_open,		/* open */
+	lx_ptm_close,		/* close */
+	nodev,			/* strategy */
+	nodev,			/* print */
+	nodev,			/* dump */
+	lx_ptm_read,		/* read */
+	lx_ptm_write,		/* write */
+	lx_ptm_ioctl,		/* ioctl */
+	nodev,			/* devmap */
+	nodev,			/* mmap */
+	nodev,			/* segmap */
+	lx_ptm_poll,		/* chpoll */
+	ddi_prop_op,		/* prop_op */
+	NULL,			/* cb_str */
+	D_NEW | D_MP,
+	CB_REV,
+	NULL,
+	NULL
+};
+
+static struct dev_ops lx_ptm_ops = {
+	DEVO_REV,
+	0,
+	ddi_getinfo_1to1,
+	nulldev,
+	nulldev,
+	lx_ptm_attach,
+	lx_ptm_detach,
+	nodev,
+	&lx_ptm_cb_ops,
+	NULL,
+	NULL,
+	ddi_quiesce_not_needed,		/* quiesce */
+};
+
+static struct modldrv modldrv = {
+	&mod_driverops,			/* type of module */
+	"Linux master terminal driver",	/* description of module */
+	&lx_ptm_ops			/* driver ops */
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1,
+	&modldrv,
+	NULL
+};
+
+int
+_init(void)
+{
+	return (mod_install(&modlinkage));
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	return (mod_remove(&modlinkage));
+}
diff --git a/usr/src/uts/common/brand/lx/io/lx_ptm.conf b/usr/src/uts/common/brand/lx/io/lx_ptm.conf
new file mode 100644
index 0000000000..481b4e3c74
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/io/lx_ptm.conf
@@ -0,0 +1,27 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+#ident	"%Z%%M%	%I%	%E% SMI"
+
+name="lx_ptm" parent="pseudo" instance=0;
diff --git a/usr/src/uts/common/brand/lx/os/lx_brand.c b/usr/src/uts/common/brand/lx/os/lx_brand.c
new file mode 100644
index 0000000000..620157a6ec
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/os/lx_brand.c
@@ -0,0 +1,1872 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright 2015, Joyent, Inc. All rights reserved.
+ */
+
+/*
+ * The LX Brand: emulation of a Linux operating environment within a zone.
+ *
+ * OVERVIEW
+ *
+ * The LX brand enables a full Linux userland -- including a C library,
+ * init(1) framework, and some set of applications -- to run unmodified
+ * within an illumos zone.  Unlike illumos, where applications are expected
+ * to link against and consume functions exported from libraries, the
+ * supported Linux binary compatibility boundary is the system call
+ * interface.  By accurately emulating the behaviour of Linux system calls,
+ * Linux software can be executed in this environment as if it were running
+ * on a native Linux system.
+ *
+ * EMULATING LINUX SYSTEM CALLS
+ *
+ * Linux system calls are made in 32-bit processes via the "int 0x80"
+ * instruction; in 64-bit processes the "syscall" instruction is used, as it
+ * is with native illumos processes.  In both cases, arguments to system
+ * calls are generally passed in registers and the usermode stack is not
+ * interpreted or modified by the Linux kernel.
+ *
+ * When the emulated Linux process makes a system call, it traps into the
+ * illumos kernel.  The in-kernel brand module contains various emulation
+ * routines, and can fully service some emulated system calls; e.g. read(2)
+ * and write(2).  Other system calls require assistance from the illumos
+ * libc, bouncing back out to the brand library ("lx_brand.so.1") for
+ * emulation.
+ *
+ * The brand mechanism allows for the provision of an alternative trap
+ * handler for the various system call mechanisms.  Traditionally this was
+ * used to immediately revector execution to the usermode emulation library,
+ * which was responsible for handling all system calls.  In the interests of
+ * more accurate emulation and increased performance, much of the regular
+ * illumos system call path is now invoked.  Only the argument processing and
+ * handler dispatch are replaced by the brand, via the per-LWP
+ * "lwp_brand_syscall" interposition function pointer.
+ *
+ * THE NATIVE AND BRAND STACKS
+ *
+ * Some runtime environments (e.g. the Go language) allocate very small
+ * thread stacks, preferring to grow or split the stack as necessary.  The
+ * Linux kernel generally does not use the usermode stack when servicing
+ * system calls, so this is not a problem.  In order for our emulation to
+ * have the same zero stack impact, we must execute usermode emulation
+ * routines on an _alternate_ stack.  This is similar, in principle, to the
+ * use of sigaltstack(3C) to run signal handlers off the main thread stack.
+ *
+ * To this end, the brand library allocates and installs an alternate stack
+ * (called the "native" stack) for each LWP.  The in-kernel brand code uses
+ * this stack for usermode emulation calls and interposed signal delivery,
+ * while the emulated Linux process sees only the data on the main thread
+ * stack, known as the "brand" stack.  The stack mode is tracked in the
+ * per-LWP brand-private data, using the LX_STACK_MODE_* enum.
+ *
+ * The stack mode doubles as a system call "mode bit".  When in the
+ * LX_STACK_MODE_BRAND mode, system calls are processed as emulated Linux
+ * system calls.  In other modes, system calls are assumed to be native
+ * illumos system calls as made during brand library initialisation and
+ * usermode emulation.
+ *
+ * USERMODE EMULATION
+ *
+ * When a Linux system call cannot be emulated within the kernel, we preserve
+ * the register state of the Linux process and revector the LWP to the brand
+ * library usermode emulation handler: the "lx_emulate()" function in
+ * "lx_brand.so.1".  This revectoring is modelled on the delivery of signals,
+ * and is performed in "lx_emulate_user()".
+ *
+ * First, the emulated process state is written out to the usermode stack of
+ * the process as a "ucontext_t" object.  Arguments to the emulation routine
+ * are passed on the stack or in registers, depending on the ABI.  When the
+ * usermode emulation is complete, the result is passed back to the kernel
+ * (via the "B_EMULATION_DONE" brandsys subcommand) with the saved context
+ * for restoration.
+ *
+ * SIGNAL DELIVERY, SETCONTEXT AND GETCONTEXT
+ *
+ * When servicing emulated system calls in the usermode brand library, or
+ * during signal delivery, various state is preserved by the kernel so that
+ * the running LWP may be revectored to a handling routine.  The context
+ * allows the kernel to restart the program at the point of interruption,
+ * either at the return of the signal handler, via setcontext(3C); or after
+ * the usermode emulation request has been serviced, via B_EMULATION_DONE.
+ *
+ * In illumos native processes, the saved context (a "ucontext_t" object)
+ * includes the state of registers and the current signal mask at the point
+ * of interruption.  The context also includes a link to the most recently
+ * saved context, forming a chain to be unwound as requests complete.  The LX
+ * brand requires additional book-keeping to describe the machine state: in
+ * particular, the current stack mode and the occupied extent of the native
+ * stack.
+ *
+ * The brand code is able to interpose on the context save and restore
+ * operations in the kernel -- see "lx_savecontext()" and
+ * "lx_restorecontext()" -- to enable getcontext(3C) and setcontext(3C) to
+ * function correctly in the face of a dual stack LWP.  The brand also
+ * interposes on the signal delivery mechanism -- see "lx_sendsig()" and
+ * "lx_sendsig_stack()" -- to allow all signals to be delivered to the brand
+ * library interposer on the native stack, regardless of the interrupted
+ * execution mode.  Linux sigaltstack(2) emulation is performed entirely by
+ * the usermode brand library during signal handler interposition.
+ */
+
+#include <sys/types.h>
+#include <sys/kmem.h>
+#include <sys/errno.h>
+#include <sys/thread.h>
+#include <sys/systm.h>
+#include <sys/syscall.h>
+#include <sys/proc.h>
+#include <sys/modctl.h>
+#include <sys/cmn_err.h>
+#include <sys/model.h>
+#include <sys/exec.h>
+#include <sys/lx_impl.h>
+#include <sys/machbrand.h>
+#include <sys/lx_syscalls.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_futex.h>
+#include <sys/lx_brand.h>
+#include <sys/param.h>
+#include <sys/termios.h>
+#include <sys/sunddi.h>
+#include <sys/ddi.h>
+#include <sys/vnode.h>
+#include <sys/pathname.h>
+#include <sys/auxv.h>
+#include <sys/priv.h>
+#include <sys/regset.h>
+#include <sys/privregs.h>
+#include <sys/archsystm.h>
+#include <sys/zone.h>
+#include <sys/brand.h>
+#include <sys/sdt.h>
+#include <sys/x86_archext.h>
+#include <sys/controlregs.h>
+#include <sys/core.h>
+#include <sys/stack.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <lx_signum.h>
+
+int	lx_debug = 0;
+
+void	lx_init_brand_data(zone_t *);
+void	lx_free_brand_data(zone_t *);
+void	lx_setbrand(proc_t *);
+int	lx_getattr(zone_t *, int, void *, size_t *);
+int	lx_setattr(zone_t *, int, void *, size_t);
+int	lx_brandsys(int, int64_t *, uintptr_t, uintptr_t, uintptr_t,
+		uintptr_t, uintptr_t);
+void	lx_set_kern_version(zone_t *, char *);
+void	lx_copy_procdata(proc_t *, proc_t *);
+
+extern int getsetcontext(int, void *);
+extern int waitsys(idtype_t, id_t, siginfo_t *, int);
+#if defined(_SYSCALL32_IMPL)
+extern int getsetcontext32(int, void *);
+extern int waitsys32(idtype_t, id_t, siginfo_t *, int);
+#endif
+
+extern void lx_proc_exit(proc_t *);
+extern int lx_sched_affinity(int, uintptr_t, int, uintptr_t, int64_t *);
+
+extern void lx_ioctl_init();
+extern void lx_ioctl_fini();
+
+lx_systrace_f *lx_systrace_entry_ptr;
+lx_systrace_f *lx_systrace_return_ptr;
+
+static int lx_systrace_enabled;
+
+/*
+ * While this is effectively mmu.hole_start - PAGESIZE, we don't particularly
+ * want an MMU dependency here (and should there be a microprocessor without
+ * a hole, we don't want to start allocating from the top of the VA range).
+ */
+#define	LX_MAXSTACK64	0x7ffffff00000
+
+uint64_t lx_maxstack64 = LX_MAXSTACK64;
+
+static int lx_elfexec(struct vnode *vp, struct execa *uap, struct uarg *args,
+    struct intpdata *idata, int level, long *execsz, int setid,
+    caddr_t exec_file, struct cred *cred, int *brand_action);
+
+static boolean_t lx_native_exec(uint8_t, const char **);
+static uint32_t lx_map32limit(proc_t *);
+
+static void lx_savecontext(ucontext_t *);
+static void lx_restorecontext(ucontext_t *);
+static caddr_t lx_sendsig_stack(int);
+static void lx_sendsig(int);
+#if defined(_SYSCALL32_IMPL)
+static void lx_savecontext32(ucontext32_t *);
+#endif
+static int lx_setid_clear(vattr_t *, cred_t *);
+#if defined(_LP64)
+static int lx_pagefault(proc_t *, klwp_t *, caddr_t, enum fault_type,
+    enum seg_rw);
+#endif
+
+
+/* lx brand */
+struct brand_ops lx_brops = {
+	lx_init_brand_data,		/* b_init_brand_data */
+	lx_free_brand_data,		/* b_free_brand_data */
+	lx_brandsys,			/* b_brandsys */
+	lx_setbrand,			/* b_setbrand */
+	lx_getattr,			/* b_getattr */
+	lx_setattr,			/* b_setattr */
+	lx_copy_procdata,		/* b_copy_procdata */
+	lx_proc_exit,			/* b_proc_exit */
+	lx_exec,			/* b_exec */
+	lx_setrval,			/* b_lwp_setrval */
+	lx_lwpdata_alloc,		/* b_lwpdata_alloc */
+	lx_lwpdata_free,		/* b_lwpdata_free */
+	lx_initlwp,			/* b_initlwp */
+	lx_forklwp,			/* b_forklwp */
+	lx_freelwp,			/* b_freelwp */
+	lx_exitlwp,			/* b_lwpexit */
+	lx_elfexec,			/* b_elfexec */
+	NULL,				/* b_sigset_native_to_brand */
+	NULL,				/* b_sigset_brand_to_native */
+	NULL,				/* b_psig_to_proc */
+	NSIG,				/* b_nsig */
+	lx_exit_with_sig,		/* b_exit_with_sig */
+	lx_wait_filter,			/* b_wait_filter */
+	lx_native_exec,			/* b_native_exec */
+	NULL,				/* b_ptrace_exectrap */
+	lx_map32limit,			/* b_map32limit */
+	lx_stop_notify,			/* b_stop_notify */
+	lx_waitid_helper,		/* b_waitid_helper */
+	lx_sigcld_repost,		/* b_sigcld_repost */
+	lx_ptrace_issig_stop,		/* b_issig_stop */
+	lx_savecontext,			/* b_savecontext */
+#if defined(_SYSCALL32_IMPL)
+	lx_savecontext32,		/* b_savecontext32 */
+#endif
+	lx_restorecontext,		/* b_restorecontext */
+	lx_sendsig_stack,		/* b_sendsig_stack */
+	lx_sendsig,			/* b_sendsig */
+	lx_setid_clear,			/* b_setid_clear */
+#if defined(_LP64)
+	lx_pagefault			/* b_pagefault */
+#else
+	NULL
+#endif
+};
+
+struct brand_mach_ops lx_mops = {
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	lx_fixsegreg,
+	lx_fsbase
+};
+
+struct brand lx_brand = {
+	BRAND_VER_1,
+	"lx",
+	&lx_brops,
+	&lx_mops,
+	sizeof (struct lx_proc_data)
+};
+
+static struct modlbrand modlbrand = {
+	&mod_brandops, "lx brand", &lx_brand
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1, (void *)&modlbrand, NULL
+};
+
+void
+lx_proc_exit(proc_t *p)
+{
+	VERIFY(p->p_brand == &lx_brand);
+	VERIFY(p->p_brand_data != NULL);
+}
+
+void
+lx_setbrand(proc_t *p)
+{
+	/* Send SIGCHLD to parent by default when child exits */
+	ptolxproc(p)->l_signal = stol_signo[SIGCHLD];
+}
+
+/* ARGSUSED */
+int
+lx_setattr(zone_t *zone, int attr, void *buf, size_t bufsize)
+{
+	char vers[LX_VERS_MAX];
+
+	if (attr == LX_KERN_VERSION_NUM) {
+		if (bufsize > (LX_VERS_MAX - 1))
+			return (ERANGE);
+		bzero(vers, LX_VERS_MAX);
+		if (copyin(buf, &vers, bufsize) != 0)
+			return (EFAULT);
+		lx_set_kern_version(zone, vers);
+		return (0);
+	}
+	return (EINVAL);
+}
+
+/* ARGSUSED */
+int
+lx_getattr(zone_t *zone, int attr, void *buf, size_t *bufsize)
+{
+	if (attr == LX_KERN_VERSION_NUM) {
+		if (*bufsize < LX_VERS_MAX)
+			return (ERANGE);
+		if (copyout(lx_get_zone_kern_version(curzone), buf,
+		    LX_VERS_MAX) != 0)
+			return (EFAULT);
+		*bufsize = LX_VERS_MAX;
+		return (0);
+	}
+	return (-EINVAL);
+}
+
+uint32_t
+lx_map32limit(proc_t *p)
+{
+	/*
+	 * To be bug-for-bug compatible with Linux, we have MAP_32BIT only
+	 * allow mappings in the first 31 bits.  This was a nuance in the
+	 * original Linux implementation circa 2002, and applications have
+	 * come to depend on its behavior.
+	 *
+	 * This is only relevant for 64-bit processes.
+	 */
+	if (p->p_model == DATAMODEL_LP64)
+		return (1 << 31);
+
+	return ((uint32_t)USERLIMIT32);
+}
+
+void
+lx_brand_systrace_enable(void)
+{
+	VERIFY(!lx_systrace_enabled);
+
+	lx_systrace_enabled = 1;
+}
+
+void
+lx_brand_systrace_disable(void)
+{
+	VERIFY(lx_systrace_enabled);
+
+	lx_systrace_enabled = 0;
+}
+
+void
+lx_lwp_set_native_stack_current(lx_lwp_data_t *lwpd, uintptr_t new_sp)
+{
+	VERIFY(lwpd->br_ntv_stack != 0);
+
+	/*
+	 * The "brand-lx-set-ntv-stack-current" probe has arguments:
+	 *   arg0: stack pointer before change
+	 *   arg1: stack pointer after change
+	 *   arg2: current stack base
+	 */
+	DTRACE_PROBE3(brand__lx__set__ntv__stack__current,
+	    uintptr_t, lwpd->br_ntv_stack_current,
+	    uintptr_t, new_sp,
+	    uintptr_t, lwpd->br_ntv_stack);
+
+	lwpd->br_ntv_stack_current = new_sp;
+}
+
+#if defined(_LP64)
+static int
+lx_pagefault(proc_t *p, klwp_t *lwp, caddr_t addr, enum fault_type type,
+    enum seg_rw rw)
+{
+	int syscall_num;
+
+	/*
+	 * We only want to handle a very specific set of circumstances.
+	 * Namely: this is a 64-bit LX-branded process attempting to execute an
+	 * address in a page for which it does not have a valid mapping.  If
+	 * this is not the case, we bail out as fast as possible.
+	 */
+	VERIFY(PROC_IS_BRANDED(p));
+	if (type != F_INVAL || rw != S_EXEC || lwp_getdatamodel(lwp) !=
+	    DATAMODEL_NATIVE) {
+		return (-1);
+	}
+
+	if (!lx_vsyscall_iscall(lwp, (uintptr_t)addr, &syscall_num)) {
+		return (-1);
+	}
+
+	/*
+	 * This is a valid vsyscall address.  We service the system call and
+	 * return 0 to signal that the pagefault has been handled completely.
+	 */
+	lx_vsyscall_enter(p, lwp, syscall_num);
+	return (0);
+}
+#endif
+
+/*
+ * This hook runs prior to sendsig() processing and allows us to nominate
+ * an alternative stack pointer for delivery of the signal handling frame.
+ * Critically, this routine should _not_ modify any LWP state as the
+ * savecontext() does not run until after this hook.
+ */
+static caddr_t
+lx_sendsig_stack(int sig)
+{
+	klwp_t *lwp = ttolwp(curthread);
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+
+	/*
+	 * We want to take signal delivery on the native stack, but only if
+	 * one has been allocated and installed for this LWP.
+	 */
+	if (lwpd->br_stack_mode == LX_STACK_MODE_BRAND) {
+		/*
+		 * The program is not running on the native stack.  Return
+		 * the native stack pointer from our brand-private data so
+		 * that we may switch to it for signal handling.
+		 */
+		return ((caddr_t)lwpd->br_ntv_stack_current);
+	} else {
+		struct regs *rp = lwptoregs(lwp);
+
+		/*
+		 * Either the program is already running on the native stack,
+		 * or one has not yet been allocated for this LWP.  Use the
+		 * current stack pointer value.
+		 */
+		return ((caddr_t)rp->r_sp);
+	}
+}
+
+/*
+ * This hook runs after sendsig() processing and allows us to update the
+ * per-LWP mode flags for system calls and stacks.  The pre-signal
+ * context has already been saved and delivered to the user at this point.
+ */
+static void
+lx_sendsig(int sig)
+{
+	klwp_t *lwp = ttolwp(curthread);
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	struct regs *rp = lwptoregs(lwp);
+
+	switch (lwpd->br_stack_mode) {
+	case LX_STACK_MODE_BRAND:
+	case LX_STACK_MODE_NATIVE:
+		/*
+		 * In lx_sendsig_stack(), we nominated a stack pointer from the
+		 * native stack.  Update the stack mode, and the current in-use
+		 * extent of the native stack, accordingly:
+		 */
+		lwpd->br_stack_mode = LX_STACK_MODE_NATIVE;
+		lx_lwp_set_native_stack_current(lwpd, rp->r_sp);
+
+		/*
+		 * Fix up segment registers, etc.
+		 */
+		lx_switch_to_native(lwp);
+		break;
+
+	default:
+		/*
+		 * Otherwise, the brand library has not yet installed the
+		 * alternate stack for this LWP.  Signals will be handled on
+		 * the regular stack thread.
+		 */
+		return;
+	}
+}
+
+/*
+ * This hook runs prior to the context restoration, allowing us to take action
+ * or modify the context before it is loaded.
+ */
+static void
+lx_restorecontext(ucontext_t *ucp)
+{
+	klwp_t *lwp = ttolwp(curthread);
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	uintptr_t flags = (uintptr_t)ucp->uc_brand_data[0];
+	caddr_t sp = ucp->uc_brand_data[1];
+
+	/*
+	 * We have a saved native stack pointer value that we must restore
+	 * into the per-LWP data.
+	 */
+	if (flags & LX_UC_RESTORE_NATIVE_SP) {
+		lx_lwp_set_native_stack_current(lwpd, (uintptr_t)sp);
+	}
+
+	/*
+	 * We do not wish to restore the value of uc_link in this context,
+	 * so replace it with the value currently in the LWP.
+	 */
+	if (flags & LX_UC_IGNORE_LINK) {
+		ucp->uc_link = (ucontext_t *)lwp->lwp_oldcontext;
+	}
+
+	/*
+	 * Restore the stack mode:
+	 */
+	if (flags & LX_UC_STACK_NATIVE) {
+		lwpd->br_stack_mode = LX_STACK_MODE_NATIVE;
+	} else if (flags & LX_UC_STACK_BRAND) {
+		lwpd->br_stack_mode = LX_STACK_MODE_BRAND;
+	}
+
+#if defined(__amd64)
+	/*
+	 * Override the fs/gsbase in the context with the value provided
+	 * through the Linux arch_prctl(2) system call.
+	 */
+	if (flags & LX_UC_STACK_BRAND) {
+		if (lwpd->br_lx_fsbase != 0) {
+			ucp->uc_mcontext.gregs[REG_FSBASE] = lwpd->br_lx_fsbase;
+		}
+		if (lwpd->br_lx_gsbase != 0) {
+			ucp->uc_mcontext.gregs[REG_GSBASE] = lwpd->br_lx_gsbase;
+		}
+	}
+#endif
+}
+
+static void
+lx_savecontext(ucontext_t *ucp)
+{
+	klwp_t *lwp = ttolwp(curthread);
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	uintptr_t flags = 0;
+
+	/*
+	 * The ucontext_t affords us three private pointer-sized members in
+	 * "uc_brand_data".  We pack a variety of flags into the first element,
+	 * and an optional stack pointer in the second element.  The flags
+	 * determine which stack pointer (native or brand), if any, is stored
+	 * in the second element.  The third element may contain the system
+	 * call number; this is analogous to the "orig_[er]ax" member of a
+	 * Linux "user_regs_struct".
+	 */
+
+	if (lwpd->br_stack_mode != LX_STACK_MODE_INIT &&
+	    lwpd->br_stack_mode != LX_STACK_MODE_PREINIT) {
+		/*
+		 * Record the value of the native stack pointer to restore
+		 * when returning to this branded context:
+		 */
+		flags |= LX_UC_RESTORE_NATIVE_SP;
+		ucp->uc_brand_data[1] = (void *)lwpd->br_ntv_stack_current;
+	}
+
+	/*
+	 * Save the stack mode:
+	 */
+	if (lwpd->br_stack_mode == LX_STACK_MODE_NATIVE) {
+		flags |= LX_UC_STACK_NATIVE;
+	} else if (lwpd->br_stack_mode == LX_STACK_MODE_BRAND) {
+		flags |= LX_UC_STACK_BRAND;
+	}
+
+	/*
+	 * If we might need to restart this system call, save that information
+	 * in the context:
+	 */
+	if (lwpd->br_stack_mode == LX_STACK_MODE_BRAND) {
+		ucp->uc_brand_data[2] =
+		    (void *)(uintptr_t)lwpd->br_syscall_num;
+		if (lwpd->br_syscall_restart) {
+			flags |= LX_UC_RESTART_SYSCALL;
+		}
+	} else {
+		ucp->uc_brand_data[2] = NULL;
+	}
+
+	ucp->uc_brand_data[0] = (void *)flags;
+}
+
+#if defined(_SYSCALL32_IMPL)
+static void
+lx_savecontext32(ucontext32_t *ucp)
+{
+	klwp_t *lwp = ttolwp(curthread);
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	unsigned int flags = 0;
+
+	/*
+	 * The ucontext_t affords us three private pointer-sized members in
+	 * "uc_brand_data".  We pack a variety of flags into the first element,
+	 * and an optional stack pointer in the second element.  The flags
+	 * determine which stack pointer (native or brand), if any, is stored
+	 * in the second element.  The third element may contain the system
+	 * call number; this is analogous to the "orig_[er]ax" member of a
+	 * Linux "user_regs_struct".
+	 */
+
+	if (lwpd->br_stack_mode != LX_STACK_MODE_INIT &&
+	    lwpd->br_stack_mode != LX_STACK_MODE_PREINIT) {
+		/*
+		 * Record the value of the native stack pointer to restore
+		 * when returning to this branded context:
+		 */
+		flags |= LX_UC_RESTORE_NATIVE_SP;
+		ucp->uc_brand_data[1] = (caddr32_t)lwpd->br_ntv_stack_current;
+	}
+
+	/*
+	 * Save the stack mode:
+	 */
+	if (lwpd->br_stack_mode == LX_STACK_MODE_NATIVE) {
+		flags |= LX_UC_STACK_NATIVE;
+	} else if (lwpd->br_stack_mode == LX_STACK_MODE_BRAND) {
+		flags |= LX_UC_STACK_BRAND;
+	}
+
+	/*
+	 * If we might need to restart this system call, save that information
+	 * in the context:
+	 */
+	if (lwpd->br_stack_mode == LX_STACK_MODE_BRAND) {
+		ucp->uc_brand_data[2] = (caddr32_t)lwpd->br_syscall_num;
+		if (lwpd->br_syscall_restart) {
+			flags |= LX_UC_RESTART_SYSCALL;
+		}
+	} else {
+		ucp->uc_brand_data[2] = NULL;
+	}
+
+	ucp->uc_brand_data[0] = flags;
+}
+#endif
+
+void
+lx_init_brand_data(zone_t *zone)
+{
+	lx_zone_data_t *data;
+	ASSERT(zone->zone_brand == &lx_brand);
+	ASSERT(zone->zone_brand_data == NULL);
+	data = (lx_zone_data_t *)kmem_zalloc(sizeof (lx_zone_data_t), KM_SLEEP);
+	/*
+	 * Set the default lxzd_kernel_version to 2.4.
+	 * This can be changed by a call to setattr() during zone boot.
+	 */
+	(void) strlcpy(data->lxzd_kernel_version, "2.4.21", LX_VERS_MAX);
+
+	/*
+	 * Linux is not at all picky about address family when it comes to
+	 * supporting interface-related ioctls.  To mimic this behavior, we'll
+	 * attempt those ioctls against a ksocket configured for that purpose.
+	 */
+	(void) ksocket_socket(&data->lxzd_ioctl_sock, AF_INET, SOCK_DGRAM, 0,
+	    0, zone->zone_kcred);
+
+	zone->zone_brand_data = data;
+
+	/*
+	 * In Linux, if the init(1) process terminates the system panics.
+	 * The zone must reboot to simulate this behaviour.
+	 */
+	zone->zone_reboot_on_init_exit = B_TRUE;
+}
+
+void
+lx_free_brand_data(zone_t *zone)
+{
+	lx_zone_data_t *data = ztolxzd(zone);
+	ASSERT(data != NULL);
+	if (data->lxzd_ioctl_sock != NULL) {
+		/*
+		 * Since zone_kcred has been cleaned up already, close the
+		 * socket using the global kcred.
+		 */
+		ksocket_close(data->lxzd_ioctl_sock, kcred);
+		data->lxzd_ioctl_sock = NULL;
+	}
+	zone->zone_brand_data = NULL;
+	kmem_free(data, sizeof (*data));
+}
+
+void
+lx_unsupported(char *dmsg)
+{
+	lx_proc_data_t *pd = ttolxproc(curthread);
+
+	DTRACE_PROBE1(brand__lx__unsupported, char *, dmsg);
+
+	if (pd != NULL && (pd->l_flags & LX_PROC_STRICT_MODE) != 0) {
+		/*
+		 * If this process was run with strict mode enabled
+		 * (via LX_STRICT in the environment), we mark this
+		 * LWP as having triggered an unsupported behaviour.
+		 * This flag will be checked at an appropriate point
+		 * by lx_check_strict_failure().
+		 */
+		lx_lwp_data_t *lwpd = ttolxlwp(curthread);
+
+		lwpd->br_strict_failure = B_TRUE;
+	}
+}
+
+void
+lx_check_strict_failure(lx_lwp_data_t *lwpd)
+{
+	proc_t *p;
+
+	if (!lwpd->br_strict_failure) {
+		return;
+	}
+
+	lwpd->br_strict_failure = B_FALSE;
+
+	/*
+	 * If this process is operating in strict mode (via LX_STRICT in
+	 * the environment), and has triggered a call to
+	 * lx_unsupported(), we drop SIGSYS on it as we return.
+	 */
+	p = curproc;
+	mutex_enter(&p->p_lock);
+	sigtoproc(p, curthread, SIGSYS);
+	mutex_exit(&p->p_lock);
+}
+
+void
+lx_trace_sysenter(int syscall_num, uintptr_t *args)
+{
+	if (lx_systrace_enabled) {
+		VERIFY(lx_systrace_entry_ptr != NULL);
+
+		(*lx_systrace_entry_ptr)(syscall_num, args[0], args[1],
+		    args[2], args[3], args[4], args[5]);
+	}
+}
+
+void
+lx_trace_sysreturn(int syscall_num, long ret)
+{
+	if (lx_systrace_enabled) {
+		VERIFY(lx_systrace_return_ptr != NULL);
+
+		(*lx_systrace_return_ptr)(syscall_num, ret, ret, 0, 0, 0, 0);
+	}
+}
+
+/*
+ * Get the addresses of the user-space system call handler and attach it to
+ * the proc structure. Returning 0 indicates success; the value returned
+ * by the system call is the value stored in rval. Returning a non-zero
+ * value indicates a failure; the value returned is used to set errno, -1
+ * is returned from the syscall and the contents of rval are ignored. To
+ * set errno and have the syscall return a value other than -1 we can
+ * manually set errno and rval and return 0.
+ */
+int
+lx_brandsys(int cmd, int64_t *rval, uintptr_t arg1, uintptr_t arg2,
+    uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
+{
+	kthread_t *t = curthread;
+	klwp_t *lwp = ttolwp(t);
+	proc_t *p = ttoproc(t);
+	lx_proc_data_t *pd;
+	struct termios *termios;
+	uint_t termios_len;
+	int error;
+	int code;
+	int sig;
+	lx_brand_registration_t reg;
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+
+	/*
+	 * There is one operation that is suppored for non-branded
+	 * process.  B_EXEC_BRAND.  This is the equilivant of an
+	 * exec call, but the new process that is created will be
+	 * a branded process.
+	 */
+	if (cmd == B_EXEC_BRAND) {
+		VERIFY(p->p_zone != NULL);
+		VERIFY(p->p_zone->zone_brand == &lx_brand);
+		return (exec_common(
+		    (char *)arg1, (const char **)arg2, (const char **)arg3,
+		    EBA_BRAND));
+	}
+
+	/* For all other operations this must be a branded process. */
+	if (p->p_brand == NULL)
+		return (ENOSYS);
+
+	VERIFY(p->p_brand == &lx_brand);
+	VERIFY(p->p_brand_data != NULL);
+
+	switch (cmd) {
+	case B_REGISTER:
+		if (lwpd->br_stack_mode != LX_STACK_MODE_PREINIT) {
+			lx_print("stack mode was not PREINIT during "
+			    "REGISTER\n");
+			return (EINVAL);
+		}
+
+		if (p->p_model == DATAMODEL_NATIVE) {
+			if (copyin((void *)arg1, &reg, sizeof (reg)) != 0) {
+				lx_print("Failed to copyin brand registration "
+				    "at 0x%p\n", (void *)arg1);
+				return (EFAULT);
+			}
+		}
+#ifdef _LP64
+		else {
+			/* 32-bit userland on 64-bit kernel */
+			lx_brand_registration32_t reg32;
+
+			if (copyin((void *)arg1, &reg32, sizeof (reg32)) != 0) {
+				lx_print("Failed to copyin brand registration "
+				    "at 0x%p\n", (void *)arg1);
+				return (EFAULT);
+			}
+
+			reg.lxbr_version = (uint_t)reg32.lxbr_version;
+			reg.lxbr_handler =
+			    (void *)(uintptr_t)reg32.lxbr_handler;
+			reg.lxbr_flags = reg32.lxbr_flags;
+		}
+#endif
+
+		if (reg.lxbr_version != LX_VERSION_1) {
+			lx_print("Invalid brand library version (%u)\n",
+			    reg.lxbr_version);
+			return (EINVAL);
+		}
+
+		if ((reg.lxbr_flags & ~LX_PROC_ALL) != 0) {
+			lx_print("Invalid brand flags (%u)\n",
+			    reg.lxbr_flags);
+			return (EINVAL);
+		}
+
+		lx_print("Assigning brand 0x%p and handler 0x%p to proc 0x%p\n",
+		    (void *)&lx_brand, (void *)reg.lxbr_handler, (void *)p);
+		pd = p->p_brand_data;
+		pd->l_handler = (uintptr_t)reg.lxbr_handler;
+		pd->l_flags = reg.lxbr_flags;
+
+		return (0);
+
+	case B_TTYMODES:
+		/* This is necessary for emulating TCGETS ioctls. */
+		if (ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, ddi_root_node(),
+		    DDI_PROP_NOTPROM, "ttymodes", (uchar_t **)&termios,
+		    &termios_len) != DDI_SUCCESS)
+			return (EIO);
+
+		ASSERT(termios_len == sizeof (*termios));
+
+		if (copyout(&termios, (void *)arg1, sizeof (termios)) != 0) {
+			ddi_prop_free(termios);
+			return (EFAULT);
+		}
+
+		ddi_prop_free(termios);
+		return (0);
+
+	case B_ELFDATA:
+		pd = curproc->p_brand_data;
+		if (get_udatamodel() == DATAMODEL_NATIVE) {
+			if (copyout(&pd->l_elf_data, (void *)arg1,
+			    sizeof (lx_elf_data_t)) != 0) {
+				return (EFAULT);
+			}
+		}
+#if defined(_LP64)
+		else {
+			/* 32-bit userland on 64-bit kernel */
+			lx_elf_data32_t led32;
+
+			led32.ed_phdr = (int)pd->l_elf_data.ed_phdr;
+			led32.ed_phent = (int)pd->l_elf_data.ed_phent;
+			led32.ed_phnum = (int)pd->l_elf_data.ed_phnum;
+			led32.ed_entry = (int)pd->l_elf_data.ed_entry;
+			led32.ed_base = (int)pd->l_elf_data.ed_base;
+			led32.ed_ldentry = (int)pd->l_elf_data.ed_ldentry;
+
+			if (copyout(&led32, (void *)arg1,
+			    sizeof (led32)) != 0) {
+				return (EFAULT);
+			}
+		}
+#endif
+		return (0);
+
+	case B_EXEC_NATIVE:
+		return (exec_common((char *)arg1, (const char **)arg2,
+		    (const char **)arg3, EBA_NATIVE));
+
+	/*
+	 * The B_TRUSS_POINT subcommand is used so that we can make a no-op
+	 * syscall for debugging purposes (dtracing) from within the user-level
+	 * emulation.
+	 */
+	case B_TRUSS_POINT:
+		return (0);
+
+	case B_LPID_TO_SPAIR: {
+		/*
+		 * Given a Linux pid as arg1, return the Solaris pid in arg2 and
+		 * the Solaris LWP in arg3.  We also translate pid 1 (which is
+		 * hardcoded in many applications) to the zone's init process.
+		 */
+		pid_t s_pid;
+		id_t s_tid;
+
+		if ((pid_t)arg1 == 1) {
+			s_pid = p->p_zone->zone_proc_initpid;
+			/* handle the dead/missing init(1M) case */
+			if (s_pid == -1)
+				s_pid = 1;
+			s_tid = 1;
+		} else if (lx_lpid_to_spair((pid_t)arg1, &s_pid, &s_tid) < 0) {
+			return (ESRCH);
+		}
+
+		if (copyout(&s_pid, (void *)arg2, sizeof (s_pid)) != 0 ||
+		    copyout(&s_tid, (void *)arg3, sizeof (s_tid)) != 0) {
+			return (EFAULT);
+		}
+
+		return (0);
+	}
+
+	case B_SET_AFFINITY_MASK:
+	case B_GET_AFFINITY_MASK:
+		/*
+		 * Retrieve or store the CPU affinity mask for the
+		 * requested linux pid.
+		 *
+		 * arg1 is a linux PID (0 means curthread).
+		 * arg2 is the size of the given mask.
+		 * arg3 is the address of the affinity mask.
+		 */
+		return (lx_sched_affinity(cmd, arg1, arg2, arg3, rval));
+
+	case B_PTRACE_STOP_FOR_OPT:
+		return (lx_ptrace_stop_for_option((int)arg1, arg2 == 0 ?
+		    B_FALSE : B_TRUE, (ulong_t)arg3, arg4));
+
+	case B_PTRACE_CLONE_BEGIN:
+		return (lx_ptrace_set_clone_inherit((int)arg1, arg2 == 0 ?
+		    B_FALSE : B_TRUE));
+
+	case B_PTRACE_KERNEL:
+		return (lx_ptrace_kernel((int)arg1, (pid_t)arg2, arg3, arg4));
+
+	case B_HELPER_WAITID: {
+		idtype_t idtype = (idtype_t)arg1;
+		id_t id = (id_t)arg2;
+		siginfo_t *infop = (siginfo_t *)arg3;
+		int options = (int)arg4;
+
+		lwpd = ttolxlwp(curthread);
+
+		/*
+		 * Our brand-specific waitid helper only understands a subset of
+		 * the possible idtypes.  Ensure we keep to that subset here:
+		 */
+		if (idtype != P_ALL && idtype != P_PID && idtype != P_PGID) {
+			return (EINVAL);
+		}
+
+		/*
+		 * Enable the return of emulated ptrace(2) stop conditions
+		 * through lx_waitid_helper, and stash the Linux-specific
+		 * extra waitid() flags.
+		 */
+		lwpd->br_waitid_emulate = B_TRUE;
+		lwpd->br_waitid_flags = (int)arg5;
+
+#if defined(_SYSCALL32_IMPL)
+		if (get_udatamodel() != DATAMODEL_NATIVE) {
+			return (waitsys32(idtype, id, infop, options));
+		} else
+#endif
+		{
+			return (waitsys(idtype, id, infop, options));
+		}
+
+		lwpd->br_waitid_emulate = B_FALSE;
+		lwpd->br_waitid_flags = 0;
+
+		return (0);
+	}
+
+	case B_UNSUPPORTED: {
+		char dmsg[256];
+
+		if (copyin((void *)arg1, &dmsg, sizeof (dmsg)) != 0) {
+			lx_print("Failed to copyin unsupported msg "
+			    "at 0x%p\n", (void *)arg1);
+			return (EFAULT);
+		}
+		dmsg[255] = '\0';
+		lx_unsupported(dmsg);
+
+		lx_check_strict_failure(lwpd);
+
+		return (0);
+	}
+
+	case B_STORE_ARGS: {
+		/*
+		 * B_STORE_ARGS subcommand
+		 * arg1 = address of struct to be copied in
+		 * arg2 = size of the struct being copied in
+		 * arg3-arg6 ignored
+		 * rval = the amount of data copied.
+		 */
+		void *buf;
+
+		/* only have upper limit because arg2 is unsigned */
+		if (arg2 > LX_BR_ARGS_SIZE_MAX) {
+			return (EINVAL);
+		}
+
+		buf = kmem_alloc(arg2, KM_SLEEP);
+		if (copyin((void *)arg1, buf, arg2) != 0) {
+			lx_print("Failed to copyin scall arg at 0x%p\n",
+			    (void *) arg1);
+			kmem_free(buf, arg2);
+			/*
+			 * Purposely not setting br_scall_args to NULL
+			 * to preserve data for debugging.
+			 */
+			return (EFAULT);
+		}
+
+		if (lwpd->br_scall_args != NULL) {
+			ASSERT(lwpd->br_args_size > 0);
+			kmem_free(lwpd->br_scall_args,
+			    lwpd->br_args_size);
+		}
+
+		lwpd->br_scall_args = buf;
+		lwpd->br_args_size = arg2;
+		*rval = arg2;
+		return (0);
+	}
+
+	case B_HELPER_CLONE:
+		return (lx_helper_clone(rval, arg1, (void *)arg2, (void *)arg3,
+		    (void *)arg4));
+
+	case B_HELPER_SETGROUPS:
+		return (lx_helper_setgroups(arg1, (gid_t *)arg2));
+
+	case B_HELPER_SIGQUEUE:
+		return (lx_helper_rt_sigqueueinfo(arg1, arg2,
+		    (siginfo_t *)arg3));
+
+	case B_HELPER_TGSIGQUEUE:
+		return (lx_helper_rt_tgsigqueueinfo(arg1, arg2, arg3,
+		    (siginfo_t *)arg4));
+
+	case B_SET_THUNK_PID:
+		lwpd->br_lx_thunk_pid = arg1;
+		return (0);
+
+	case B_GETPID:
+		/*
+		 * The usermode clone(2) code needs to be able to call
+		 * lx_getpid() from native code:
+		 */
+		*rval = lx_getpid();
+		return (0);
+
+	case B_SET_NATIVE_STACK:
+		/*
+		 * B_SET_NATIVE_STACK subcommand
+		 * arg1 = the base of the stack to use for emulation
+		 */
+		if (lwpd->br_stack_mode != LX_STACK_MODE_PREINIT) {
+			lx_print("B_SET_NATIVE_STACK when stack was already "
+			    "set to %p\n", (void *)arg1);
+			return (EEXIST);
+		}
+
+		/*
+		 * We move from the PREINIT state, where we have no brand
+		 * emulation stack, to the INIT state.  Here, we are still
+		 * running on what will become the BRAND stack, but are running
+		 * emulation (i.e. native) code.  Once the initialisation
+		 * process for this thread has finished, we will jump to
+		 * brand-specific code, while moving to the BRAND mode.
+		 *
+		 * When a new LWP is created, lx_initlwp() will clear the
+		 * stack data.  If that LWP is actually being duplicated
+		 * into a child process by fork(2), lx_forklwp() will copy
+		 * it so that the cloned thread will keep using the same
+		 * alternate stack.
+		 */
+		lwpd->br_ntv_stack = arg1;
+		lwpd->br_stack_mode = LX_STACK_MODE_INIT;
+		lx_lwp_set_native_stack_current(lwpd, arg1);
+
+		return (0);
+
+	case B_GET_CURRENT_CONTEXT:
+		/*
+		 * B_GET_CURRENT_CONTEXT subcommand:
+		 * arg1 = address for pointer to current ucontext_t
+		 */
+
+#if defined(_SYSCALL32_IMPL)
+		if (get_udatamodel() != DATAMODEL_NATIVE) {
+			caddr32_t addr = (caddr32_t)lwp->lwp_oldcontext;
+
+			error = copyout(&addr, (void *)arg1, sizeof (addr));
+		} else
+#endif
+		{
+			error = copyout(&lwp->lwp_oldcontext, (void *)arg1,
+			    sizeof (lwp->lwp_oldcontext));
+		}
+
+		return (error != 0 ? EFAULT : 0);
+
+	case B_JUMP_TO_LINUX:
+		/*
+		 * B_JUMP_TO_LINUX subcommand:
+		 * arg1 = ucontext_t pointer for jump state
+		 */
+
+		if (arg1 == NULL)
+			return (EINVAL);
+
+		switch (lwpd->br_stack_mode) {
+		case LX_STACK_MODE_NATIVE: {
+			struct regs *rp = lwptoregs(lwp);
+
+			/*
+			 * We are on the NATIVE stack, so we must preserve
+			 * the extent of that stack.  The pointer will be
+			 * reset by a future setcontext().
+			 */
+			lx_lwp_set_native_stack_current(lwpd,
+			    (uintptr_t)rp->r_sp);
+			break;
+		}
+
+		case LX_STACK_MODE_INIT:
+			/*
+			 * The LWP is transitioning to Linux code for the first
+			 * time.
+			 */
+			break;
+
+		case LX_STACK_MODE_PREINIT:
+			/*
+			 * This LWP has not installed an alternate stack for
+			 * usermode emulation handling.
+			 */
+			return (ENOENT);
+
+		case LX_STACK_MODE_BRAND:
+			/*
+			 * The LWP should not be on the BRAND stack.
+			 */
+			exit(CLD_KILLED, SIGSYS);
+			return (0);
+		}
+
+		/*
+		 * Transfer control to Linux:
+		 */
+		return (lx_runexe(lwp, (void *)arg1));
+
+	case B_EMULATION_DONE:
+		/*
+		 * B_EMULATION_DONE subcommand:
+		 * arg1 = ucontext_t * to restore
+		 * arg2 = system call number
+		 * arg3 = return code
+		 * arg4 = if operation failed, the errno value
+		 */
+
+		/*
+		 * The first part of this operation is a setcontext() to
+		 * restore the register state to the copy we preserved
+		 * before vectoring to the usermode emulation routine.
+		 * If that fails, we return (hopefully) to the emulation
+		 * routine and it will handle the error.
+		 */
+#if (_SYSCALL32_IMPL)
+		if (get_udatamodel() != DATAMODEL_NATIVE) {
+			error = getsetcontext32(SETCONTEXT, (void *)arg1);
+		} else
+#endif
+		{
+			error = getsetcontext(SETCONTEXT, (void *)arg1);
+		}
+
+		if (error != 0) {
+			return (error);
+		}
+
+		/*
+		 * The saved Linux context has been restored.  We handle the
+		 * return value or errno with code common to the in-kernel
+		 * system call emulation.
+		 */
+		if ((error = (int)arg4) != 0) {
+			/*
+			 * lx_syscall_return() looks at the errno in the LWP,
+			 * so set it here:
+			 */
+			set_errno(error);
+		}
+		lx_syscall_return(ttolwp(curthread), (int)arg2, (long)arg3);
+
+		return (0);
+
+	case B_EXIT_AS_SIG:
+		code = CLD_KILLED;
+		sig = (int)arg1;
+		proc_is_exiting(p);
+		if (exitlwps(1) != 0) {
+			mutex_enter(&p->p_lock);
+			lwp_exit();
+		}
+		ttolwp(curthread)->lwp_cursig = sig;
+		if (sig == SIGSEGV) {
+			if (core(sig, 0) == 0)
+				code = CLD_DUMPED;
+		}
+		exit(code, sig);
+		/* NOTREACHED */
+		break;
+	}
+
+	return (EINVAL);
+}
+
+char *
+lx_get_zone_kern_version(zone_t *zone)
+{
+	return (((lx_zone_data_t *)zone->zone_brand_data)->lxzd_kernel_version);
+}
+
+void
+lx_set_kern_version(zone_t *zone, char *vers)
+{
+	lx_zone_data_t *lxzd = (lx_zone_data_t *)zone->zone_brand_data;
+
+	(void) strlcpy(lxzd->lxzd_kernel_version, vers, LX_VERS_MAX);
+}
+
+/*
+ * Linux unconditionally removes the setuid and setgid bits when changing
+ * file ownership.  This brand hook overrides the illumos native behaviour,
+ * which is based on the PRIV_FILE_SETID privilege.
+ */
+static int
+lx_setid_clear(vattr_t *vap, cred_t *cr)
+{
+	if (S_ISDIR(vap->va_mode)) {
+		return (0);
+	}
+
+	if (vap->va_mode & S_ISUID) {
+		vap->va_mask |= AT_MODE;
+		vap->va_mode &= ~S_ISUID;
+	}
+	if ((vap->va_mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) {
+		vap->va_mask |= AT_MODE;
+		vap->va_mode &= ~S_ISGID;
+	}
+
+	return (0);
+}
+
+/*
+ * Copy the per-process brand data from a parent proc to a child.
+ */
+void
+lx_copy_procdata(proc_t *child, proc_t *parent)
+{
+	lx_proc_data_t *cpd = child->p_brand_data;
+	lx_proc_data_t *ppd = parent->p_brand_data;
+
+	VERIFY(parent->p_brand == &lx_brand);
+	VERIFY(child->p_brand == &lx_brand);
+	VERIFY(ppd != NULL);
+	VERIFY(cpd != NULL);
+
+	*cpd = *ppd;
+
+	cpd->l_fake_limits[LX_RLFAKE_LOCKS].rlim_cur = LX_RLIM64_INFINITY;
+	cpd->l_fake_limits[LX_RLFAKE_LOCKS].rlim_max = LX_RLIM64_INFINITY;
+
+	cpd->l_fake_limits[LX_RLFAKE_NICE].rlim_cur = 20;
+	cpd->l_fake_limits[LX_RLFAKE_NICE].rlim_max = 20;
+
+	cpd->l_fake_limits[LX_RLFAKE_RTPRIO].rlim_cur = LX_RLIM64_INFINITY;
+	cpd->l_fake_limits[LX_RLFAKE_RTPRIO].rlim_max = LX_RLIM64_INFINITY;
+
+	cpd->l_fake_limits[LX_RLFAKE_RTTIME].rlim_cur = LX_RLIM64_INFINITY;
+	cpd->l_fake_limits[LX_RLFAKE_RTTIME].rlim_max = LX_RLIM64_INFINITY;
+}
+
+#if defined(_LP64)
+static void
+Ehdr32to64(Elf32_Ehdr *src, Ehdr *dst)
+{
+	bcopy(src->e_ident, dst->e_ident, sizeof (src->e_ident));
+	dst->e_type =		src->e_type;
+	dst->e_machine =	src->e_machine;
+	dst->e_version =	src->e_version;
+	dst->e_entry =		src->e_entry;
+	dst->e_phoff =		src->e_phoff;
+	dst->e_shoff =		src->e_shoff;
+	dst->e_flags =		src->e_flags;
+	dst->e_ehsize =		src->e_ehsize;
+	dst->e_phentsize =	src->e_phentsize;
+	dst->e_phnum =		src->e_phnum;
+	dst->e_shentsize =	src->e_shentsize;
+	dst->e_shnum =		src->e_shnum;
+	dst->e_shstrndx =	src->e_shstrndx;
+}
+#endif /* _LP64 */
+
+static void
+restoreexecenv(struct execenv *ep, stack_t *sp)
+{
+	klwp_t *lwp = ttolwp(curthread);
+
+	setexecenv(ep);
+	lwp->lwp_sigaltstack.ss_sp = sp->ss_sp;
+	lwp->lwp_sigaltstack.ss_size = sp->ss_size;
+	lwp->lwp_sigaltstack.ss_flags = sp->ss_flags;
+}
+
+extern int elfexec(vnode_t *, execa_t *, uarg_t *, intpdata_t *, int,
+    long *, int, caddr_t, cred_t *, int *);
+
+extern int elf32exec(struct vnode *, execa_t *, uarg_t *, intpdata_t *, int,
+    long *, int, caddr_t, cred_t *, int *);
+
+/*
+ * Exec routine called by elfexec() to load either 32-bit or 64-bit Linux
+ * binaries.
+ */
+static int
+lx_elfexec(struct vnode *vp, struct execa *uap, struct uarg *args,
+    struct intpdata *idata, int level, long *execsz, int setid,
+    caddr_t exec_file, struct cred *cred, int *brand_action)
+{
+	int		error;
+	vnode_t		*nvp;
+	Ehdr		ehdr;
+	Addr		uphdr_vaddr;
+	intptr_t	voffset;
+	char		*interp = NULL;
+	uintptr_t	ldaddr = NULL;
+	int		i;
+	proc_t		*p = ttoproc(curthread);
+	klwp_t		*lwp = ttolwp(curthread);
+	struct execenv	env;
+	struct execenv	origenv;
+	stack_t		orig_sigaltstack;
+	struct user	*up = PTOU(ttoproc(curthread));
+	lx_elf_data_t	*edp;
+	char		*lib_path = NULL;
+
+	ASSERT(ttoproc(curthread)->p_brand == &lx_brand);
+	ASSERT(ttoproc(curthread)->p_brand_data != NULL);
+
+	edp = &ttolxproc(curthread)->l_elf_data;
+
+	if (args->to_model == DATAMODEL_NATIVE) {
+		lib_path = LX_LIB_PATH;
+	}
+#if defined(_LP64)
+	else {
+		lib_path = LX_LIB_PATH32;
+	}
+#endif
+
+	/*
+	 * Set the brandname and library name for the new process so that
+	 * elfexec() puts them onto the stack.
+	 */
+	args->brandname = LX_BRANDNAME;
+	args->emulator = lib_path;
+
+#if defined(_LP64)
+	/*
+	 * To conform with the way Linux lays out the address space, we clamp
+	 * the stack to be the top of the lower region of the x86-64 canonical
+	 * form address space -- which has the side-effect of laying out the
+	 * entire address space in that lower region.  Note that this only
+	 * matters on 64-bit processes (this value will always be greater than
+	 * the size of a 32-bit address space) and doesn't actually affect
+	 * USERLIMIT:  if a Linux-branded processes wishes to map something
+	 * into the top half of the address space, it can do so -- but with
+	 * the user stack starting at the top of the bottom region, those high
+	 * virtual addresses won't be used unless explicitly directed.
+	 */
+	args->maxstack = lx_maxstack64;
+#endif
+
+	/*
+	 * We will first exec the brand library, then map in the linux
+	 * executable and the linux linker.
+	 */
+	if ((error = lookupname(lib_path, UIO_SYSSPACE, FOLLOW, NULLVPP,
+	    &nvp))) {
+		uprintf("%s: not found.", lib_path);
+		return (error);
+	}
+
+	/*
+	 * We will eventually set the p_exec member to be the vnode for the new
+	 * executable when we call setexecenv(). However, if we get an error
+	 * before that call we need to restore the execenv to its original
+	 * values so that when we return to the caller fop_close() works
+	 * properly while cleaning up from the failed exec().  Restoring the
+	 * original value will also properly decrement the 2nd VN_RELE that we
+	 * took on the brand library.
+	 */
+	origenv.ex_bssbase = p->p_bssbase;
+	origenv.ex_brkbase = p->p_brkbase;
+	origenv.ex_brksize = p->p_brksize;
+	origenv.ex_vp = p->p_exec;
+	orig_sigaltstack.ss_sp = lwp->lwp_sigaltstack.ss_sp;
+	orig_sigaltstack.ss_size = lwp->lwp_sigaltstack.ss_size;
+	orig_sigaltstack.ss_flags = lwp->lwp_sigaltstack.ss_flags;
+
+	if (args->to_model == DATAMODEL_NATIVE) {
+		error = elfexec(nvp, uap, args, idata, level + 1, execsz,
+		    setid, exec_file, cred, brand_action);
+	}
+#if defined(_LP64)
+	else {
+		error = elf32exec(nvp, uap, args, idata, level + 1, execsz,
+		    setid, exec_file, cred, brand_action);
+	}
+#endif
+	VN_RELE(nvp);
+	if (error != 0) {
+		restoreexecenv(&origenv, &orig_sigaltstack);
+		return (error);
+	}
+
+	/*
+	 * exec-ed in the brand library above.
+	 * The u_auxv vectors are now setup by elfexec to point to the
+	 * brand emulation library and its linker.
+	 */
+
+	bzero(&env, sizeof (env));
+
+	/*
+	 * map in the the Linux executable
+	 */
+	if (args->to_model == DATAMODEL_NATIVE) {
+		error = mapexec_brand(vp, args, &ehdr, &uphdr_vaddr,
+		    &voffset, exec_file, &interp, &env.ex_bssbase,
+		    &env.ex_brkbase, &env.ex_brksize, NULL, NULL);
+	}
+#if defined(_LP64)
+	else {
+		Elf32_Ehdr	ehdr32;
+		Elf32_Addr	uphdr_vaddr32;
+
+		error = mapexec32_brand(vp, args, &ehdr32, &uphdr_vaddr32,
+		    &voffset, exec_file, &interp, &env.ex_bssbase,
+		    &env.ex_brkbase, &env.ex_brksize, NULL, NULL);
+
+		Ehdr32to64(&ehdr32, &ehdr);
+
+		if (uphdr_vaddr32 == (Elf32_Addr)-1)
+			uphdr_vaddr = (Addr)-1;
+		else
+			uphdr_vaddr = uphdr_vaddr32;
+	}
+#endif
+	if (error != 0) {
+		restoreexecenv(&origenv, &orig_sigaltstack);
+
+		if (interp != NULL)
+			kmem_free(interp, MAXPATHLEN);
+
+		return (error);
+	}
+
+	/*
+	 * Save off the important properties of the lx executable. The brand
+	 * library will ask us for this data later, when it is ready to set
+	 * things up for the lx executable.
+	 */
+	edp->ed_phdr = (uphdr_vaddr == -1) ? voffset + ehdr.e_phoff :
+	    voffset + uphdr_vaddr;
+	edp->ed_entry = voffset + ehdr.e_entry;
+	edp->ed_phent = ehdr.e_phentsize;
+	edp->ed_phnum = ehdr.e_phnum;
+
+	if (interp != NULL) {
+		if (ehdr.e_type == ET_DYN) {
+			/*
+			 * This is a shared object executable, so we need to
+			 * pick a reasonable place to put the heap. Just don't
+			 * use the first page.
+			 */
+			env.ex_brkbase = (caddr_t)PAGESIZE;
+			env.ex_bssbase = (caddr_t)PAGESIZE;
+		}
+
+		/*
+		 * If the program needs an interpreter (most do), map it in and
+		 * store relevant information about it in the aux vector, where
+		 * the brand library can find it.
+		 */
+		if ((error = lookupname(interp, UIO_SYSSPACE, FOLLOW,
+		    NULLVPP, &nvp))) {
+			uprintf("%s: not found.", interp);
+			restoreexecenv(&origenv, &orig_sigaltstack);
+			kmem_free(interp, MAXPATHLEN);
+			return (error);
+		}
+
+		kmem_free(interp, MAXPATHLEN);
+		interp = NULL;
+
+		/*
+		 * map in the Linux linker
+		 */
+		if (args->to_model == DATAMODEL_NATIVE) {
+			error = mapexec_brand(nvp, args, &ehdr,
+			    &uphdr_vaddr, &voffset, exec_file, NULL, NULL,
+			    NULL, NULL, NULL, &ldaddr);
+		}
+#if defined(_LP64)
+		else {
+			Elf32_Ehdr	ehdr32;
+			Elf32_Addr	uphdr_vaddr32;
+
+			error = mapexec32_brand(nvp, args, &ehdr32,
+			    &uphdr_vaddr32, &voffset, exec_file, NULL, NULL,
+			    NULL, NULL, NULL, &ldaddr);
+
+			Ehdr32to64(&ehdr32, &ehdr);
+
+			if (uphdr_vaddr32 == (Elf32_Addr)-1)
+				uphdr_vaddr = (Addr)-1;
+			else
+				uphdr_vaddr = uphdr_vaddr32;
+		}
+#endif
+
+		VN_RELE(nvp);
+		if (error != 0) {
+			restoreexecenv(&origenv, &orig_sigaltstack);
+			return (error);
+		}
+
+		/*
+		 * Now that we know the base address of the brand's linker,
+		 * we also save this for later use by the brand library.
+		 */
+		edp->ed_base = voffset;
+		edp->ed_ldentry = voffset + ehdr.e_entry;
+	} else {
+		/*
+		 * This program has no interpreter. The lx brand library will
+		 * jump to the address in the AT_SUN_BRAND_LDENTRY aux vector,
+		 * so in this case, put the entry point of the main executable
+		 * there.
+		 */
+		if (ehdr.e_type == ET_EXEC) {
+			/*
+			 * An executable with no interpreter, this must be a
+			 * statically linked executable, which means we loaded
+			 * it at the address specified in the elf header, in
+			 * which case the e_entry field of the elf header is an
+			 * absolute address.
+			 */
+			edp->ed_ldentry = ehdr.e_entry;
+			edp->ed_entry = ehdr.e_entry;
+		} else {
+			/*
+			 * A shared object with no interpreter, we use the
+			 * calculated address from above.
+			 */
+			edp->ed_ldentry = edp->ed_entry;
+
+			/*
+			 * In all situations except an ET_DYN elf object with no
+			 * interpreter, we want to leave the brk and base
+			 * values set by mapexec_brand alone. Normally when
+			 * running ET_DYN objects on Solaris (most likely
+			 * /lib/ld.so.1) the kernel sets brk and base to 0 since
+			 * it doesn't know where to put the heap, and later the
+			 * linker will call brk() to initialize the heap in:
+			 *	usr/src/cmd/sgs/rtld/common/setup.c:setup()
+			 * after it has determined where to put it.  (This
+			 * decision is made after the linker loads and inspects
+			 * elf properties of the target executable being run.)
+			 *
+			 * So for ET_DYN Linux executables, we also don't know
+			 * where the heap should go, so we'll set the brk and
+			 * base to 0.  But in this case the Solaris linker will
+			 * not initialize the heap, so when the Linux linker
+			 * starts running there is no heap allocated.  This
+			 * seems to be ok on Linux 2.4 based systems because the
+			 * Linux linker/libc fall back to using mmap() to
+			 * allocate memory. But on 2.6 systems, running
+			 * applications by specifying them as command line
+			 * arguments to the linker results in segfaults for an
+			 * as yet undetermined reason (which seems to indicatej
+			 * that a more permanent fix for heap initalization in
+			 * these cases may be necessary).
+			 */
+			if (ehdr.e_type == ET_DYN) {
+				env.ex_bssbase = (caddr_t)0;
+				env.ex_brkbase = (caddr_t)0;
+				env.ex_brksize = 0;
+			}
+		}
+
+	}
+
+	env.ex_vp = vp;
+	setexecenv(&env);
+
+	/*
+	 * We try to keep /proc's view of the aux vector consistent with
+	 * what's on the process stack.
+	 */
+	if (args->to_model == DATAMODEL_NATIVE) {
+		auxv_t phdr_auxv[4] = {
+		    { AT_SUN_BRAND_LX_PHDR, 0 },
+		    { AT_SUN_BRAND_LX_INTERP, 0 },
+		    { AT_SUN_BRAND_LX_SYSINFO_EHDR, 0 },
+		    { AT_SUN_BRAND_AUX4, 0 }
+		};
+		phdr_auxv[0].a_un.a_val = edp->ed_phdr;
+		phdr_auxv[1].a_un.a_val = ldaddr;
+		phdr_auxv[2].a_un.a_val = 1;	/* set in lx_init */
+		phdr_auxv[3].a_type = AT_CLKTCK;
+		phdr_auxv[3].a_un.a_val = hz;
+
+		if (copyout(&phdr_auxv, args->auxp_brand,
+		    sizeof (phdr_auxv)) == -1)
+			return (EFAULT);
+	}
+#if defined(_LP64)
+	else {
+		auxv32_t phdr_auxv32[3] = {
+		    { AT_SUN_BRAND_LX_PHDR, 0 },
+		    { AT_SUN_BRAND_LX_INTERP, 0 },
+		    { AT_SUN_BRAND_AUX3, 0 }
+		};
+		phdr_auxv32[0].a_un.a_val = edp->ed_phdr;
+		phdr_auxv32[1].a_un.a_val = ldaddr;
+		phdr_auxv32[2].a_type = AT_CLKTCK;
+		phdr_auxv32[2].a_un.a_val = hz;
+
+		if (copyout(&phdr_auxv32, args->auxp_brand,
+		    sizeof (phdr_auxv32)) == -1)
+			return (EFAULT);
+	}
+#endif
+
+	/*
+	 * /proc uses the AT_ENTRY aux vector entry to deduce
+	 * the location of the executable in the address space. The user
+	 * structure contains a copy of the aux vector that needs to have those
+	 * entries patched with the values of the real lx executable (they
+	 * currently contain the values from the lx brand library that was
+	 * elfexec'd, above).
+	 *
+	 * For live processes, AT_BASE is used to locate the linker segment,
+	 * which /proc and friends will later use to find Solaris symbols
+	 * (such as rtld_db_preinit). However, for core files, /proc uses
+	 * AT_ENTRY to find the right segment to label as the executable.
+	 * So we set AT_ENTRY to be the entry point of the linux executable,
+	 * but leave AT_BASE to be the address of the Solaris linker.
+	 */
+	for (i = 0; i < __KERN_NAUXV_IMPL; i++) {
+		switch (up->u_auxv[i].a_type) {
+		case AT_ENTRY:
+			up->u_auxv[i].a_un.a_val = edp->ed_entry;
+			break;
+
+		case AT_SUN_BRAND_LX_PHDR:
+			up->u_auxv[i].a_un.a_val = edp->ed_phdr;
+			break;
+
+		case AT_SUN_BRAND_LX_INTERP:
+			up->u_auxv[i].a_un.a_val = ldaddr;
+			break;
+
+		default:
+			break;
+		}
+	}
+
+	return (0);
+}
+
+boolean_t
+lx_native_exec(uint8_t osabi, const char **interp)
+{
+	if (osabi != ELFOSABI_SOLARIS)
+		return (B_FALSE);
+
+	/*
+	 * If the process root matches the zone root, prepend /native to the
+	 * interpreter path for native executables.  Absolute precision from
+	 * VN_CMP is not necessary since any change of process root is likely
+	 * to make native binaries inaccessible via /native.
+	 *
+	 * Processes which chroot directly into /native will be able to
+	 * function as expected with no need for the prefix.
+	 */
+	if (VN_CMP(curproc->p_user.u_rdir, curproc->p_zone->zone_rootvp)) {
+		*interp = "/native";
+	}
+
+	return (B_TRUE);
+}
+
+static void
+lx_syscall_init(void)
+{
+	int i;
+
+	/*
+	 * Count up the 32-bit Linux system calls.  Note that lx_sysent32
+	 * has (LX_NSYSCALLS + 1) entries.
+	 */
+	for (i = 0; i <= LX_NSYSCALLS && lx_sysent32[i].sy_name != NULL; i++)
+		continue;
+	lx_nsysent32 = i;
+
+#if defined(_LP64)
+	/*
+	 * Count up the 64-bit Linux system calls.  Note that lx_sysent64
+	 * has (LX_NSYSCALLS + 1) entries.
+	 */
+	for (i = 0; i <= LX_NSYSCALLS && lx_sysent64[i].sy_name != NULL; i++)
+		continue;
+	lx_nsysent64 = i;
+#endif
+}
+
+int
+_init(void)
+{
+	int err = 0;
+
+	lx_syscall_init();
+
+	/* pid/tid conversion hash tables */
+	lx_pid_init();
+
+	/* for lx_ioctl() */
+	lx_ioctl_init();
+
+	/* for lx_futex() */
+	lx_futex_init();
+
+	lx_ptrace_init();
+
+	err = mod_install(&modlinkage);
+	if (err != 0) {
+		cmn_err(CE_WARN, "Couldn't install lx brand module");
+
+		/*
+		 * This looks drastic, but it should never happen.  These
+		 * two data structures should be completely free-able until
+		 * they are used by Linux processes.  Since the brand
+		 * wasn't loaded there should be no Linux processes, and
+		 * thus no way for these data structures to be modified.
+		 */
+		lx_pid_fini();
+		lx_ioctl_fini();
+		if (lx_futex_fini())
+			panic("lx brand module cannot be loaded or unloaded.");
+	}
+	return (err);
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	int err;
+	int futex_done = 0;
+
+	/*
+	 * If there are any zones using this brand, we can't allow it to be
+	 * unloaded.
+	 */
+	if (brand_zone_count(&lx_brand))
+		return (EBUSY);
+
+	lx_ptrace_fini();
+	lx_pid_fini();
+	lx_ioctl_fini();
+
+	if ((err = lx_futex_fini()) != 0)
+		goto done;
+	futex_done = 1;
+
+	err = mod_remove(&modlinkage);
+
+done:
+	if (err) {
+		/*
+		 * If we can't unload the module, then we have to get it
+		 * back into a sane state.
+		 */
+		lx_pid_init();
+
+		if (futex_done)
+			lx_futex_init();
+
+	}
+
+	return (err);
+}
diff --git a/usr/src/uts/common/brand/lx/os/lx_misc.c b/usr/src/uts/common/brand/lx/os/lx_misc.c
new file mode 100644
index 0000000000..dce26d22e3
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/os/lx_misc.c
@@ -0,0 +1,729 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
+ */
+
+#include <sys/errno.h>
+#include <sys/systm.h>
+#include <sys/archsystm.h>
+#include <sys/privregs.h>
+#include <sys/exec.h>
+#include <sys/lwp.h>
+#include <sys/sem.h>
+#include <sys/brand.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_futex.h>
+#include <sys/cmn_err.h>
+#include <sys/siginfo.h>
+#include <sys/contract/process_impl.h>
+#include <sys/x86_archext.h>
+#include <sys/sdt.h>
+#include <lx_signum.h>
+#include <lx_syscall.h>
+#include <sys/proc.h>
+#include <net/if.h>
+#include <sys/sunddi.h>
+#include <sys/dlpi.h>
+#include <sys/sysmacros.h>
+
+/* Linux specific functions and definitions */
+static void lx_save(klwp_t *);
+static void lx_restore(klwp_t *);
+
+/*
+ * Set the return code for the forked child, always zero
+ */
+/*ARGSUSED*/
+void
+lx_setrval(klwp_t *lwp, int v1, int v2)
+{
+	lwptoregs(lwp)->r_r0 = 0;
+}
+
+/*
+ * Reset process state on exec(2)
+ */
+void
+lx_exec()
+{
+	klwp_t *lwp = ttolwp(curthread);
+	struct lx_lwp_data *lwpd = lwptolxlwp(lwp);
+	proc_t *p = ttoproc(curthread);
+	lx_proc_data_t *pd = ptolxproc(p);
+	struct regs *rp = lwptoregs(lwp);
+
+	/*
+	 * Any l_handler handlers set as a result of B_REGISTER are now
+	 * invalid; clear them.
+	 */
+	pd->l_handler = NULL;
+
+	/*
+	 * If this was a multi-threaded Linux process and this lwp wasn't the
+	 * main lwp, then we need to make its Illumos and Linux PIDs match.
+	 */
+	if (curthread->t_tid != 1) {
+		lx_pid_reassign(curthread);
+	}
+
+	/*
+	 * Inform ptrace(2) that we are processing an execve(2) call so that if
+	 * we are traced we can post either the PTRACE_EVENT_EXEC event or the
+	 * legacy SIGTRAP.
+	 */
+	(void) lx_ptrace_stop_for_option(LX_PTRACE_O_TRACEEXEC, B_FALSE, 0, 0);
+
+	/* clear the fs/gsbase values until the app. can reinitialize them */
+	lwpd->br_lx_fsbase = NULL;
+	lwpd->br_ntv_fsbase = NULL;
+	lwpd->br_lx_gsbase = NULL;
+	lwpd->br_ntv_gsbase = NULL;
+
+	/*
+	 * Clear the native stack flags.  This will be reinitialised by
+	 * lx_init() in the new process image.
+	 */
+	lwpd->br_stack_mode = LX_STACK_MODE_PREINIT;
+	lwpd->br_ntv_stack = 0;
+	lwpd->br_ntv_stack_current = 0;
+
+	installctx(lwptot(lwp), lwp, lx_save, lx_restore, NULL, NULL, lx_save,
+	    NULL);
+
+	/*
+	 * clear out the tls array
+	 */
+	bzero(lwpd->br_tls, sizeof (lwpd->br_tls));
+
+	/*
+	 * reset the tls entries in the gdt
+	 */
+	kpreempt_disable();
+	lx_restore(lwp);
+	kpreempt_enable();
+
+	/*
+	 * The exec syscall doesn't return (so we don't call lx_syscall_return)
+	 * but for our ptrace emulation we need to do this so that a tracer
+	 * does not get out of sync. We know that by the time this lx_exec
+	 * function is called that the exec has succeeded.
+	 */
+	rp->r_r0 = 0;
+	lx_ptrace_stop(LX_PR_SYSEXIT);
+}
+
+void
+lx_exitlwp(klwp_t *lwp)
+{
+	struct lx_lwp_data *lwpd = lwptolxlwp(lwp);
+	proc_t *p = lwptoproc(lwp);
+	kthread_t *t;
+	sigqueue_t *sqp = NULL;
+	pid_t ppid;
+	id_t ptid;
+
+	VERIFY(MUTEX_NOT_HELD(&p->p_lock));
+
+	if (lwpd == NULL)
+		return;		/* second time thru' */
+
+	mutex_enter(&p->p_lock);
+	lx_ptrace_exit(p, lwp);
+	mutex_exit(&p->p_lock);
+
+	if (lwpd->br_robust_list != NULL) {
+		lx_futex_robust_exit((uintptr_t)lwpd->br_robust_list,
+		    lwpd->br_pid);
+	}
+
+	if (lwpd->br_clear_ctidp != NULL) {
+		(void) suword32(lwpd->br_clear_ctidp, 0);
+		(void) lx_futex((uintptr_t)lwpd->br_clear_ctidp, FUTEX_WAKE, 1,
+		    NULL, NULL, 0);
+	}
+
+	if (lwpd->br_signal != 0) {
+		/*
+		 * The first thread in a process doesn't cause a signal to
+		 * be sent when it exits.  It was created by a fork(), not
+		 * a clone(), so the parent should get signalled when the
+		 * process exits.
+		 */
+		if (lwpd->br_ptid == -1)
+			goto free;
+
+		sqp = kmem_zalloc(sizeof (sigqueue_t), KM_SLEEP);
+		/*
+		 * If br_ppid is 0, it means this is a CLONE_PARENT thread,
+		 * so the signal goes to the parent process - not to a
+		 * specific thread in this process.
+		 */
+		p = lwptoproc(lwp);
+		if (lwpd->br_ppid == 0) {
+			mutex_enter(&p->p_lock);
+			ppid = p->p_ppid;
+			t = NULL;
+		} else {
+			/*
+			 * If we have been reparented to init or if our
+			 * parent thread is gone, then nobody gets
+			 * signaled.
+			 */
+			if ((lx_lwp_ppid(lwp, &ppid, &ptid) == 1) ||
+			    (ptid == -1))
+				goto free;
+
+			mutex_enter(&pidlock);
+			if ((p = prfind(ppid)) == NULL || p->p_stat == SIDL) {
+				mutex_exit(&pidlock);
+				goto free;
+			}
+			mutex_enter(&p->p_lock);
+			mutex_exit(&pidlock);
+
+			if ((t = idtot(p, ptid)) == NULL) {
+				mutex_exit(&p->p_lock);
+				goto free;
+			}
+		}
+
+		sqp->sq_info.si_signo = lwpd->br_signal;
+		sqp->sq_info.si_code = lwpd->br_exitwhy;
+		sqp->sq_info.si_status = lwpd->br_exitwhat;
+		sqp->sq_info.si_pid = lwpd->br_pid;
+		sqp->sq_info.si_uid = crgetruid(CRED());
+		sigaddqa(p, t, sqp);
+		mutex_exit(&p->p_lock);
+		sqp = NULL;
+	}
+
+free:
+	if (lwpd->br_scall_args != NULL) {
+		ASSERT(lwpd->br_args_size > 0);
+		kmem_free(lwpd->br_scall_args, lwpd->br_args_size);
+	}
+	if (sqp)
+		kmem_free(sqp, sizeof (sigqueue_t));
+}
+
+void
+lx_freelwp(klwp_t *lwp)
+{
+	struct lx_lwp_data *lwpd = lwptolxlwp(lwp);
+	VERIFY(lwpd != NULL);
+
+	/*
+	 * Remove our system call interposer.
+	 */
+	lwp->lwp_brand_syscall = NULL;
+
+	(void) removectx(lwptot(lwp), lwp, lx_save, lx_restore, NULL, NULL,
+	    lx_save, NULL);
+	if (lwpd->br_pid != 0) {
+		lx_pid_rele(lwptoproc(lwp)->p_pid, lwptot(lwp)->t_tid);
+	}
+
+	/*
+	 * Ensure that lx_ptrace_exit() has been called to detach
+	 * ptrace(2) tracers and tracees.
+	 */
+	VERIFY(lwpd->br_ptrace_tracer == NULL);
+	VERIFY(lwpd->br_ptrace_accord == NULL);
+
+	lwp->lwp_brand = NULL;
+	kmem_free(lwpd, sizeof (struct lx_lwp_data));
+}
+
+void *
+lx_lwpdata_alloc(proc_t *p)
+{
+	lx_lwp_data_t *lwpd;
+	struct lx_pid *lpidp;
+	pid_t newpid = 0;
+	struct pid *pidp = NULL;
+
+	VERIFY(MUTEX_NOT_HELD(&p->p_lock));
+
+	/*
+	 * LWPs beyond the first will require a pid to be allocated to emulate
+	 * Linux's goofy thread model.  While this  allocation may be
+	 * unnecessary when a single-lwp process undergoes branding, it cannot
+	 * be performed during b_initlwp due to p_lock being held.
+	 */
+	if (p->p_lwpcnt > 0) {
+		if ((newpid = pid_allocate(p, 0, 0)) < 0) {
+			return (NULL);
+		}
+		pidp = pid_find(newpid);
+	}
+
+	lwpd = kmem_zalloc(sizeof (struct lx_lwp_data), KM_SLEEP);
+	lpidp = kmem_zalloc(sizeof (struct lx_pid), KM_SLEEP);
+
+	lpidp->l_pid = newpid;
+	lpidp->l_pidp = pidp;
+	lwpd->br_lpid = lpidp;
+	return (lwpd);
+}
+
+/*
+ * Free lwp brand data if an error occurred during lwp_create.
+ * Otherwise, lx_freelwp will be used to free the resources after they're
+ * associated with the lwp via lx_initlwp.
+ */
+void
+lx_lwpdata_free(void *lwpbd)
+{
+	lx_lwp_data_t *lwpd = (lx_lwp_data_t *)lwpbd;
+	VERIFY(lwpd != NULL);
+	VERIFY(lwpd->br_lpid != NULL);
+
+	if (lwpd->br_lpid->l_pidp != NULL) {
+		(void) pid_rele(lwpd->br_lpid->l_pidp);
+	}
+	kmem_free(lwpd->br_lpid, sizeof (*lwpd->br_lpid));
+	kmem_free(lwpd, sizeof (*lwpd));
+}
+
+void
+lx_initlwp(klwp_t *lwp, void *lwpbd)
+{
+	lx_lwp_data_t *lwpd = (lx_lwp_data_t *)lwpbd;
+	lx_lwp_data_t *plwpd = ttolxlwp(curthread);
+	kthread_t *tp = lwptot(lwp);
+	proc_t *p = lwptoproc(lwp);
+
+	VERIFY(MUTEX_HELD(&p->p_lock));
+	VERIFY(lwp->lwp_brand == NULL);
+
+	lwpd->br_exitwhy = CLD_EXITED;
+	lwpd->br_lwp = lwp;
+	lwpd->br_clear_ctidp = NULL;
+	lwpd->br_set_ctidp = NULL;
+	lwpd->br_signal = 0;
+	lwpd->br_stack_mode = LX_STACK_MODE_PREINIT;
+	/*
+	 * lwpd->br_affinitymask was zeroed by kmem_zalloc()
+	 * as was lwpd->br_scall_args and lwpd->br_args_size.
+	 */
+
+	/*
+	 * The first thread in a process has ppid set to the parent
+	 * process's pid, and ptid set to -1.  Subsequent threads in the
+	 * process have their ppid set to the pid of the thread that
+	 * created them, and their ptid to that thread's tid.
+	 */
+	if (tp->t_next == tp) {
+		lwpd->br_ppid = tp->t_procp->p_ppid;
+		lwpd->br_ptid = -1;
+	} else if (plwpd != NULL) {
+		bcopy(plwpd->br_tls, lwpd->br_tls, sizeof (lwpd->br_tls));
+		lwpd->br_ppid = plwpd->br_pid;
+		lwpd->br_ptid = curthread->t_tid;
+		/* The child inherits the fs/gsbase values from the parent */
+		lwpd->br_lx_fsbase = plwpd->br_lx_fsbase;
+		lwpd->br_ntv_fsbase = plwpd->br_ntv_fsbase;
+		lwpd->br_lx_gsbase = plwpd->br_lx_gsbase;
+		lwpd->br_ntv_gsbase = plwpd->br_ntv_gsbase;
+	} else {
+		/*
+		 * Oddball case: the parent thread isn't a Linux process.
+		 */
+		lwpd->br_ppid = 0;
+		lwpd->br_ptid = -1;
+	}
+	lwp->lwp_brand = lwpd;
+
+	/*
+	 * When during lx_lwpdata_alloc, we must decide whether or not to
+	 * allocate a new pid to associate with the lwp. Since p_lock is not
+	 * held at that point, the only time we can guarantee a new pid isn't
+	 * needed is when p_lwpcnt == 0.  This is because other lwps won't be
+	 * present to race with us with regards to pid allocation.
+	 *
+	 * This means that in all other cases (where p_lwpcnt > 0), we expect
+	 * that lx_lwpdata_alloc will allocate a pid for us to use here, even
+	 * if it is uneeded.  If this process is undergoing an exec, for
+	 * example, the single existing lwp will not need a new pid when it is
+	 * rebranded.  In that case, lx_pid_assign will free the uneeded pid.
+	 */
+	VERIFY(lwpd->br_lpid->l_pidp != NULL || p->p_lwpcnt == 0);
+
+	lx_pid_assign(tp, lwpd->br_lpid);
+	lwpd->br_tgid = lwpd->br_pid;
+	/*
+	 * Having performed the lx pid assignement, the lpid reference is no
+	 * longer needed.  The underlying data will be freed during lx_freelwp.
+	 */
+	lwpd->br_lpid = NULL;
+
+	installctx(lwptot(lwp), lwp, lx_save, lx_restore, NULL, NULL,
+	    lx_save, NULL);
+
+	/*
+	 * Install branded system call hook for this LWP:
+	 */
+	lwp->lwp_brand_syscall = lx_syscall_enter;
+
+	/*
+	 * If the parent LWP has a ptrace(2) tracer, the new LWP may
+	 * need to inherit that same tracer.
+	 */
+	if (plwpd != NULL) {
+		lx_ptrace_inherit_tracer(plwpd, lwpd);
+	}
+}
+
+/*
+ * There is no need to have any locking for either the source or
+ * destination struct lx_lwp_data structs.  This is always run in the
+ * thread context of the source thread, and the destination thread is
+ * always newly created and not referred to from anywhere else.
+ */
+void
+lx_forklwp(klwp_t *srclwp, klwp_t *dstlwp)
+{
+	struct lx_lwp_data *src = srclwp->lwp_brand;
+	struct lx_lwp_data *dst = dstlwp->lwp_brand;
+
+	dst->br_ppid = src->br_pid;
+	dst->br_ptid = lwptot(srclwp)->t_tid;
+	bcopy(src->br_tls, dst->br_tls, sizeof (dst->br_tls));
+
+	switch (src->br_stack_mode) {
+	case LX_STACK_MODE_BRAND:
+	case LX_STACK_MODE_NATIVE:
+		/*
+		 * The parent LWP has an alternate stack installed.
+		 * The child LWP should have the same stack base and extent.
+		 */
+		dst->br_stack_mode = src->br_stack_mode;
+		dst->br_ntv_stack = src->br_ntv_stack;
+		dst->br_ntv_stack_current = src->br_ntv_stack_current;
+		break;
+
+	default:
+		/*
+		 * Otherwise, clear the stack data for this LWP.
+		 */
+		dst->br_stack_mode = LX_STACK_MODE_PREINIT;
+		dst->br_ntv_stack = 0;
+		dst->br_ntv_stack_current = 0;
+	}
+
+	/*
+	 * copy only these flags
+	 */
+	dst->br_lwp_flags = src->br_lwp_flags & BR_CPU_BOUND;
+	dst->br_scall_args = NULL;
+}
+
+/*
+ * When switching a Linux process off the CPU, clear its GDT entries.
+ */
+/* ARGSUSED */
+static void
+lx_save(klwp_t *t)
+{
+	int i;
+
+#if defined(__amd64)
+	reset_sregs();
+#endif
+	for (i = 0; i < LX_TLSNUM; i++)
+		gdt_update_usegd(GDT_TLSMIN + i, &null_udesc);
+}
+
+/*
+ * When switching a Linux process on the CPU, set its GDT entries.
+ *
+ * For 64-bit code we don't have to worry about explicitly setting the
+ * %fsbase via wrmsr(MSR_AMD_FSBASE) here. Instead, that should happen
+ * automatically in update_sregs if we are executing in user-land. If this
+ * is the case then pcb_rupdate should be set.
+ */
+static void
+lx_restore(klwp_t *t)
+{
+	struct lx_lwp_data *lwpd = lwptolxlwp(t);
+	user_desc_t *tls;
+	int i;
+
+	ASSERT(lwpd);
+
+	tls = lwpd->br_tls;
+	for (i = 0; i < LX_TLSNUM; i++)
+		gdt_update_usegd(GDT_TLSMIN + i, &tls[i]);
+}
+
+void
+lx_set_gdt(int entry, user_desc_t *descrp)
+{
+
+	gdt_update_usegd(entry, descrp);
+}
+
+void
+lx_clear_gdt(int entry)
+{
+	gdt_update_usegd(entry, &null_udesc);
+}
+
+longlong_t
+lx_nosys()
+{
+	return (set_errno(ENOSYS));
+}
+
+/*
+ * Brand-specific routine to check if given non-Solaris standard segment
+ * register values should be modified to other values.
+ */
+/*ARGSUSED*/
+greg_t
+lx_fixsegreg(greg_t sr, model_t datamodel)
+{
+	uint16_t idx = SELTOIDX(sr);
+
+	ASSERT(sr == (sr & 0xffff));
+
+	/*
+	 * If the segment selector is a valid TLS selector, just return it.
+	 */
+	if (!SELISLDT(sr) && idx >= GDT_TLSMIN && idx <= GDT_TLSMAX)
+		return (sr | SEL_UPL);
+
+	/*
+	 * Force the SR into the LDT in ring 3 for 32-bit processes.
+	 *
+	 * 64-bit processes get the null GDT selector since they are not
+	 * allowed to have a private LDT.
+	 */
+#if defined(__amd64)
+	return (datamodel == DATAMODEL_ILP32 ? (sr | SEL_TI_LDT | SEL_UPL) : 0);
+#elif defined(__i386)
+	datamodel = datamodel;  /* datamodel currently unused for 32-bit */
+	return (sr | SEL_TI_LDT | SEL_UPL);
+#endif	/* __amd64 */
+}
+
+/*
+ * Brand-specific function to convert the fsbase as pulled from the register
+ * into a native fsbase suitable for locating the ulwp_t from the kernel.
+ */
+uintptr_t
+lx_fsbase(klwp_t *lwp, uintptr_t fsbase)
+{
+	lx_lwp_data_t *lwpd = lwp->lwp_brand;
+
+	if (lwpd->br_stack_mode != LX_STACK_MODE_BRAND ||
+	    lwpd->br_ntv_fsbase == NULL) {
+		return (fsbase);
+	}
+
+	return (lwpd->br_ntv_fsbase);
+}
+
+/*
+ * These two functions simulate winfo and post_sigcld for the lx brand. The
+ * difference is delivering a designated signal as opposed to always SIGCLD.
+ */
+static void
+lx_winfo(proc_t *pp, k_siginfo_t *ip, struct lx_proc_data *dat)
+{
+	ASSERT(MUTEX_HELD(&pidlock));
+	bzero(ip, sizeof (k_siginfo_t));
+	ip->si_signo = ltos_signo[dat->l_signal];
+	ip->si_code = pp->p_wcode;
+	ip->si_pid = pp->p_pid;
+	ip->si_ctid = PRCTID(pp);
+	ip->si_zoneid = pp->p_zone->zone_id;
+	ip->si_status = pp->p_wdata;
+	ip->si_stime = pp->p_stime;
+	ip->si_utime = pp->p_utime;
+}
+
+static void
+lx_post_exit_sig(proc_t *cp, sigqueue_t *sqp, struct lx_proc_data *dat)
+{
+	proc_t *pp = cp->p_parent;
+
+	ASSERT(MUTEX_HELD(&pidlock));
+	mutex_enter(&pp->p_lock);
+	/*
+	 * Since Linux doesn't queue SIGCHLD, or any other non RT
+	 * signals, we just blindly deliver whatever signal we can.
+	 */
+	ASSERT(sqp != NULL);
+	lx_winfo(cp, &sqp->sq_info, dat);
+	sigaddqa(pp, NULL, sqp);
+	sqp = NULL;
+	mutex_exit(&pp->p_lock);
+}
+
+
+/*
+ * Brand specific code for exiting and sending a signal to the parent, as
+ * opposed to sigcld().
+ */
+void
+lx_exit_with_sig(proc_t *cp, sigqueue_t *sqp)
+{
+	proc_t *pp = cp->p_parent;
+	lx_proc_data_t *lx_brand_data = ptolxproc(cp);
+	ASSERT(MUTEX_HELD(&pidlock));
+
+	switch (cp->p_wcode) {
+	case CLD_EXITED:
+	case CLD_DUMPED:
+	case CLD_KILLED:
+			ASSERT(cp->p_stat == SZOMB);
+			/*
+			 * The broadcast on p_srwchan_cv is a kludge to
+			 * wakeup a possible thread in uadmin(A_SHUTDOWN).
+			 */
+			cv_broadcast(&cp->p_srwchan_cv);
+
+			/*
+			 * Add to newstate list of the parent
+			 */
+			add_ns(pp, cp);
+
+			cv_broadcast(&pp->p_cv);
+			if ((pp->p_flag & SNOWAIT) ||
+			    PTOU(pp)->u_signal[SIGCLD - 1] == SIG_IGN) {
+				if (!(cp->p_pidflag & CLDWAITPID))
+					freeproc(cp);
+			} else if (!(cp->p_pidflag & CLDNOSIGCHLD) &&
+			    lx_brand_data->l_signal != 0) {
+				lx_post_exit_sig(cp, sqp, lx_brand_data);
+				sqp = NULL;
+			}
+			break;
+
+	case CLD_STOPPED:
+	case CLD_CONTINUED:
+	case CLD_TRAPPED:
+			panic("Should not be called in this case");
+	}
+
+	if (sqp)
+		siginfofree(sqp);
+}
+
+/*
+ * Filters based on arguments that have been passed in by a separate syscall
+ * using the B_STORE_ARGS mechanism. if the __WALL flag is set, no filter is
+ * applied, otherwise we look at the difference between a clone and non-clone
+ * process.
+ * The definition of a clone process in Linux is a thread that does not deliver
+ * SIGCHLD to its parent. The option __WCLONE indicates to wait only on clone
+ * processes. Without that option, a process should only wait on normal
+ * children. The following table shows the cases.
+ *
+ *                   default    __WCLONE
+ *   no SIGCHLD      -           X
+ *   SIGCHLD         X           -
+ *
+ * This is an XOR of __WCLONE being set, and SIGCHLD being the signal sent on
+ * process exit.
+ *
+ * More information on wait in lx brands can be found at
+ * usr/src/lib/brand/lx/lx_brand/common/wait.c.
+ */
+boolean_t
+lx_wait_filter(proc_t *pp, proc_t *cp)
+{
+	lx_lwp_data_t *lwpd = ttolxlwp(curthread);
+	int flags = lwpd->br_waitid_flags;
+	boolean_t ret;
+
+	if (!lwpd->br_waitid_emulate) {
+		return (B_TRUE);
+	}
+
+	mutex_enter(&cp->p_lock);
+	if (flags & LX_WALL) {
+		ret = B_TRUE;
+	} else {
+		lx_proc_data_t *pd = ptolxproc(cp);
+		boolean_t is_sigchld = B_TRUE;
+		boolean_t match_wclone = B_FALSE;
+
+		/*
+		 * When calling clone, an alternate signal can be chosen to
+		 * deliver to the parent when the child exits.
+		 */
+		if (pd != NULL && pd->l_signal != stol_signo[SIGCHLD]) {
+			is_sigchld = B_FALSE;
+		}
+		if ((flags & LX_WCLONE) != 0) {
+			match_wclone = B_TRUE;
+		}
+
+		ret = (match_wclone ^ is_sigchld) ? B_TRUE : B_FALSE;
+	}
+	mutex_exit(&cp->p_lock);
+
+	return (ret);
+}
+
+void
+lx_ifname_convert(char *ifname, int flag)
+{
+	ASSERT(flag == LX_IFNAME_FROMNATIVE ||
+	    flag == LX_IFNAME_TONATIVE);
+
+	if (flag == LX_IFNAME_TONATIVE) {
+		if (strncmp(ifname, "lo", IFNAMSIZ) == 0)
+			(void) strlcpy(ifname, "lo0", IFNAMSIZ);
+	} else if (flag == LX_IFNAME_FROMNATIVE) {
+		if (strncmp(ifname, "lo0", IFNAMSIZ) == 0)
+			(void) strlcpy(ifname, "lo", IFNAMSIZ);
+	}
+}
+
+void
+lx_stol_hwaddr(const struct sockaddr_dl *src, struct sockaddr *dst, int *size)
+{
+	int copy_size = MIN(src->sdl_alen, sizeof (dst->sa_data));
+
+	switch (src->sdl_type) {
+	case DL_ETHER:
+		dst->sa_family = LX_ARPHRD_ETHER;
+		break;
+	case DL_LOOP:
+		dst->sa_family = LX_ARPHRD_LOOPBACK;
+		break;
+	default:
+		dst->sa_family = LX_ARPHRD_VOID;
+	}
+
+	bcopy(LLADDR(src), dst->sa_data, copy_size);
+	*size = copy_size;
+}
diff --git a/usr/src/uts/common/brand/lx/os/lx_pid.c b/usr/src/uts/common/brand/lx/os/lx_pid.c
new file mode 100644
index 0000000000..40179bbdaf
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/os/lx_pid.c
@@ -0,0 +1,395 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015, Joyent, Inc.
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/sysmacros.h>
+#include <sys/bitmap.h>
+#include <sys/var.h>
+#include <sys/thread.h>
+#include <sys/proc.h>
+#include <sys/brand.h>
+#include <sys/zone.h>
+#include <sys/lx_brand.h>
+
+#define	LINUX_PROC_FACTOR	8	/* factor down the hash table by this */
+static int hash_len = 4;		/* desired average hash chain length */
+static int hash_size;			/* no of buckets in the hash table */
+
+static struct lx_pid **stol_pid_hash;
+static struct lx_pid **ltos_pid_hash;
+
+#define	LTOS_HASH(pid)		((pid) & (hash_size - 1))
+#define	STOL_HASH(pid, tid)	(((pid) + (tid)) & (hash_size - 1))
+
+static kmutex_t hash_lock;
+
+static void
+lx_pid_insert_hash(struct lx_pid *lpidp)
+{
+	int shash = STOL_HASH(lpidp->s_pid, lpidp->s_tid);
+	int lhash = LTOS_HASH(lpidp->l_pid);
+
+	ASSERT(MUTEX_HELD(&hash_lock));
+
+	lpidp->stol_next = stol_pid_hash[shash];
+	stol_pid_hash[shash] = lpidp;
+
+	lpidp->ltos_next = ltos_pid_hash[lhash];
+	ltos_pid_hash[lhash] = lpidp;
+}
+
+static struct lx_pid *
+lx_pid_remove_hash(pid_t pid, id_t tid)
+{
+	struct lx_pid **hpp;
+	struct lx_pid *lpidp = NULL;
+
+	ASSERT(MUTEX_HELD(&hash_lock));
+
+	hpp = &stol_pid_hash[STOL_HASH(pid, tid)];
+	while (*hpp) {
+		if ((*hpp)->s_pid == pid && (*hpp)->s_tid == tid) {
+			lpidp = *hpp;
+			*hpp = (*hpp)->stol_next;
+			break;
+		}
+		hpp = &(*hpp)->stol_next;
+	}
+
+	/*
+	 * when called during error recovery the pid may already
+	 * be released
+	 */
+	if (lpidp == NULL)
+		return (NULL);
+
+	hpp = &ltos_pid_hash[LTOS_HASH(lpidp->l_pid)];
+	while (*hpp) {
+		if (*hpp == lpidp) {
+			*hpp = lpidp->ltos_next;
+			break;
+		}
+		hpp = &(*hpp)->ltos_next;
+	}
+
+	return (lpidp);
+}
+
+/*
+ * given a solaris pid/tid pair, create a linux pid
+ */
+void
+lx_pid_assign(kthread_t *t, struct lx_pid *lpidp)
+{
+	proc_t *p = ttoproc(t);
+	lx_lwp_data_t *lwpd = ttolxlwp(t);
+	pid_t s_pid = p->p_pid;
+	id_t s_tid = t->t_tid;
+
+	/*
+	 * When lx_initlwp is called from lx_setbrand, p_lwpcnt will already be
+	 * equal to 1. Since lx_initlwp is being called against an lwp that
+	 * already exists, an additional pid allocation is not necessary.
+	 *
+	 * We check for this by testing br_ppid == 0.
+	 */
+	if (p->p_lwpcnt > 0 && lwpd->br_ppid != 0) {
+		/*
+		 * Assign allocated pid to any thread other than the first.
+		 * The l_pid and l_pidp fields should be populated.
+		 */
+		VERIFY(lpidp->l_pidp != NULL);
+		VERIFY(lpidp->l_pid != 0);
+	} else {
+		/*
+		 * There are cases where a pid is speculatively allocated but
+		 * is not needed.  We are obligated to free it here.
+		 */
+		if (lpidp->l_pidp != NULL) {
+			(void) pid_rele(lpidp->l_pidp);
+		}
+		lpidp->l_pidp = NULL;
+		lpidp->l_pid = s_pid;
+	}
+
+	lpidp->s_pid = s_pid;
+	lpidp->s_tid = s_tid;
+	lpidp->l_start = t->t_start;
+
+	/*
+	 * now put the pid into the linux-solaris and solaris-linux
+	 * conversion hash tables
+	 */
+	mutex_enter(&hash_lock);
+	lx_pid_insert_hash(lpidp);
+	mutex_exit(&hash_lock);
+
+	lwpd->br_pid = lpidp->l_pid;
+}
+
+/*
+ * If we are exec()ing the process, this thread's tid is about to be reset
+ * to 1.  Make sure the Linux PID bookkeeping reflects that change.
+ */
+void
+lx_pid_reassign(kthread_t *t)
+{
+	proc_t *p = ttoproc(t);
+	struct pid *old_pidp;
+	struct lx_pid *lpidp;
+
+	ASSERT(p->p_lwpcnt == 1);
+
+	mutex_enter(&hash_lock);
+
+	/*
+	 * Clean up all the traces of this thread's 'fake' Linux PID.
+	 */
+	lpidp = lx_pid_remove_hash(p->p_pid, t->t_tid);
+	ASSERT(lpidp != NULL);
+	old_pidp = lpidp->l_pidp;
+	lpidp->l_pidp = NULL;
+
+	/*
+	 * Now register this thread as (pid, 1).
+	 */
+	lpidp->l_pid = p->p_pid;
+	lpidp->s_pid = p->p_pid;
+	lpidp->s_tid = 1;
+	lx_pid_insert_hash(lpidp);
+
+	mutex_exit(&hash_lock);
+
+	if (old_pidp)
+		(void) pid_rele(old_pidp);
+}
+
+/*
+ * release a solaris pid/tid pair
+ */
+void
+lx_pid_rele(pid_t pid, id_t tid)
+{
+	struct lx_pid *lpidp;
+
+	mutex_enter(&hash_lock);
+	lpidp = lx_pid_remove_hash(pid, tid);
+	mutex_exit(&hash_lock);
+
+	if (lpidp) {
+		if (lpidp->l_pidp)
+			(void) pid_rele(lpidp->l_pidp);
+
+		kmem_free(lpidp, sizeof (*lpidp));
+	}
+}
+
+/*
+ * given a linux pid, return the solaris pid/tid pair
+ */
+int
+lx_lpid_to_spair(pid_t l_pid, pid_t *s_pid, id_t *s_tid)
+{
+	struct lx_pid *hp;
+
+	if (l_pid == 1) {
+		pid_t initpid;
+
+		/*
+		 * We are trying to look up the Linux init process for the
+		 * current zone, which we pretend has pid 1.
+		 */
+		if ((initpid = curzone->zone_proc_initpid) == -1) {
+			/*
+			 * We could not find the init process for this zone.
+			 */
+			return (-1);
+		}
+
+		if (s_pid != NULL)
+			*s_pid = initpid;
+		if (s_tid != NULL)
+			*s_tid = 1;
+
+		return (0);
+	}
+
+	mutex_enter(&hash_lock);
+	for (hp = ltos_pid_hash[LTOS_HASH(l_pid)]; hp; hp = hp->ltos_next) {
+		if (l_pid == hp->l_pid) {
+			if (s_pid)
+				*s_pid = hp->s_pid;
+			if (s_tid)
+				*s_tid = hp->s_tid;
+			break;
+		}
+	}
+	mutex_exit(&hash_lock);
+	if (hp != NULL)
+		return (0);
+
+	/*
+	 * We didn't find this pid in our translation table.
+	 * But this still could be the pid of a native process
+	 * running in the current zone so check for that here.
+	 *
+	 * Note that prfind() only searches for processes in the current zone.
+	 */
+	mutex_enter(&pidlock);
+	if (prfind(l_pid) != NULL) {
+		mutex_exit(&pidlock);
+		if (s_pid)
+			*s_pid = l_pid;
+		if (s_tid)
+			*s_tid = 0;
+		return (0);
+	}
+	mutex_exit(&pidlock);
+
+	return (-1);
+}
+
+/*
+ * Given an lwp, return the Linux pid of its parent.  If the caller
+ * wants them, we return the Solaris (pid, tid) as well.
+ */
+pid_t
+lx_lwp_ppid(klwp_t *lwp, pid_t *ppidp, id_t *ptidp)
+{
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	proc_t *p = lwptoproc(lwp);
+	struct lx_pid *hp;
+	pid_t zoneinit = curproc->p_zone->zone_proc_initpid;
+	pid_t lppid, ppid;
+
+	/*
+	 * Be sure not to return a parent pid that should be invisible
+	 * within this zone.
+	 */
+	ppid = ((p->p_flag & SZONETOP)
+	    ? curproc->p_zone->zone_zsched->p_pid : p->p_ppid);
+
+	/*
+	 * If the parent process's pid is the zone's init process, force it
+	 * to the Linux init pid value of 1.
+	 */
+	if (ppid == zoneinit)
+		ppid = 1;
+
+	/*
+	 * There are two cases in which the Linux definition of a 'parent'
+	 * matches that of Solaris:
+	 *
+	 * - if our tgid is the same as our PID, then we are either the
+	 *   first thread in the process or a CLONE_THREAD thread.
+	 *
+	 * - if the brand lwp value for ppid is 0, then we are either the
+	 *   child of a differently-branded process or a CLONE_PARENT thread.
+	 */
+	if (p->p_pid == lwpd->br_tgid || lwpd->br_ppid == 0) {
+		if (ppidp != NULL)
+			*ppidp = ppid;
+		if (ptidp != NULL)
+			*ptidp = -1;
+		return (ppid);
+	}
+
+	/*
+	 * Set the default Linux parent pid to be the pid of the zone's init
+	 * process; this will get converted back to the Linux default of 1
+	 * later.
+	 */
+	lppid = zoneinit;
+
+	/*
+	 * If the process's parent isn't init, try and look up the Linux "pid"
+	 * corresponding to the process's parent.
+	 */
+	if (ppid != 1) {
+		/*
+		 * In all other cases, we are looking for the parent of this
+		 * specific thread, which in Linux refers to the thread that
+		 * clone()d it.   We stashed that thread's PID away when this
+		 * thread was created.
+		 */
+		mutex_enter(&hash_lock);
+		for (hp = ltos_pid_hash[LTOS_HASH(lwpd->br_ppid)]; hp;
+		    hp = hp->ltos_next) {
+			if (lwpd->br_ppid == hp->l_pid) {
+				/*
+				 * We found the PID we were looking for, but
+				 * since we cached its value in this LWP's brand
+				 * structure, it has exited and been reused by
+				 * another process.
+				 */
+				if (hp->l_start > lwptot(lwp)->t_start)
+					break;
+
+				lppid = lwpd->br_ppid;
+				if (ppidp != NULL)
+					*ppidp = hp->s_pid;
+				if (ptidp != NULL)
+					*ptidp = hp->s_tid;
+
+				break;
+			}
+		}
+		mutex_exit(&hash_lock);
+	}
+
+	if (lppid == zoneinit) {
+		lppid = 1;
+
+		if (ppidp != NULL)
+			*ppidp = lppid;
+		if (ptidp != NULL)
+			*ptidp = -1;
+	}
+
+	return (lppid);
+}
+
+void
+lx_pid_init(void)
+{
+	hash_size = 1 << highbit(v.v_proc / (hash_len * LINUX_PROC_FACTOR));
+
+	stol_pid_hash = kmem_zalloc(sizeof (struct lx_pid *) * hash_size,
+	    KM_SLEEP);
+	ltos_pid_hash = kmem_zalloc(sizeof (struct lx_pid *) * hash_size,
+	    KM_SLEEP);
+
+	mutex_init(&hash_lock, NULL, MUTEX_DEFAULT, NULL);
+}
+
+void
+lx_pid_fini(void)
+{
+	kmem_free(stol_pid_hash, sizeof (struct lx_pid *) * hash_size);
+	kmem_free(ltos_pid_hash, sizeof (struct lx_pid *) * hash_size);
+}
diff --git a/usr/src/uts/common/brand/lx/os/lx_ptrace.c b/usr/src/uts/common/brand/lx/os/lx_ptrace.c
new file mode 100644
index 0000000000..95df7b2d53
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/os/lx_ptrace.c
@@ -0,0 +1,2361 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * Emulation of the Linux ptrace(2) interface.
+ *
+ * OVERVIEW
+ *
+ * The Linux process model is somewhat different from the illumos native
+ * model.  One critical difference is that each Linux thread has a unique
+ * identifier in the pid namespace.  The lx brand assigns a pid to each LWP
+ * within the emulated process, giving the pid of the process itself to the
+ * first LWP.
+ *
+ * The Linux ptrace(2) interface allows for any LWP in a branded process to
+ * exert control over any other LWP within the same zone.  Control is exerted
+ * by the use of the ptrace(2) system call itself, which accepts a number of
+ * request codes.  Feedback on traced events is primarily received by the
+ * tracer through SIGCLD and the emulated waitpid(2) and waitid(2) system
+ * calls.  Many of the possible ptrace(2) requests will only succeed if the
+ * target LWP is in a "ptrace-stop" condition.
+ *
+ * HISTORY
+ *
+ * The brand support for ptrace(2) was originally built on top of the rich
+ * support for debugging and tracing provided through the illumos /proc
+ * interfaces, mounted at /native/proc within the zone.  The native legacy
+ * ptrace(3C) functionality was used as a starting point, but was generally
+ * insufficient for complete and precise emulation.  The extant legacy
+ * interface, and indeed our native SIGCLD and waitid(2) facilities, are
+ * focused on _process_ level concerns -- the Linux interface has been
+ * extended to be aware of LWPs as well.
+ *
+ * In order to allow us to focus on providing more complete and accurate
+ * emulation without extensive and undesirable changes to the native
+ * facilities, this second generation ptrace(2) emulation is mostly separate
+ * from any other tracing or debugging framework in the system.
+ *
+ * ATTACHING TRACERS TO TRACEES
+ *
+ * There are several ways that a child LWP may becomed traced by a tracer.
+ * To determine which attach method caused a tracee to become attached, one
+ * may inspect the "br_ptrace_attach" member of the LWP-specific brand data
+ * with the debugger.
+ *
+ * The first attach methods to consider are the attaching ptrace(2) requests:
+ *
+ *   PTRACE_TRACEME
+ *
+ *   If an LWP makes a PTRACE_TRACEME call, it will be attached as a tracee
+ *   to its parent LWP (br_ppid).  Using PTRACE_TRACEME does _not_ cause the
+ *   tracee to be held in a stop condition.  It is common practice for
+ *   consumers to raise(SIGSTOP) immediately afterward.
+ *
+ *   PTRACE_ATTACH
+ *
+ *   An LWP may attempt to trace any other LWP in this, or another, process.
+ *   We currently allow any attach where the process containing the tracer
+ *   LWP has permission to write to /proc for the process containing the
+ *   intended tracer.  This action also sends a SIGSTOP to the newly attached
+ *   tracee.
+ *
+ * The second class of attach methods are the clone(2)/fork(2) inheritance
+ * options that may be set on a tracee with PTRACE_SETOPTIONS:
+ *
+ *   PTRACE_O_TRACEFORK, PTRACE_O_TRACEVFORK and PTRACE_O_TRACECLONE
+ *
+ *   If these options have been set on a tracee, then a fork(2), vfork(2) or
+ *   clone(2) respectively will cause the newly created LWP to be traced by
+ *   the same tracer.  The same set of ptrace(2) options will also be set on
+ *   the new child.
+ *
+ * The third class of attach method is the PTRACE_CLONE flag to clone(2).
+ * This flag induces the same inheritance as PTRACE_O_TRACECLONE, but is
+ * passed by the tracee as an argument to clone(2).
+ *
+ * DETACHING TRACEES
+ *
+ * Tracees can be detached by the tracer with the PTRACE_DETACH request.
+ * This request is only valid when the tracee is in a ptrace(2) stop
+ * condition, and is itself a restarting action.
+ *
+ * If the tracer exits without detaching all of its tracees, then all of the
+ * tracees are automatically detached and restarted.  If a tracee was in
+ * "signal-delivery-stop" at the time the tracer exited, the signal will be
+ * released to the child unless it is a SIGSTOP.  We drop this instance of
+ * SIGSTOP in order to prevent the child from becoming stopped by job
+ * control.
+ *
+ * ACCORD ALLOCATION AND MANAGEMENT
+ *
+ * The "lx_ptrace_accord_t" object tracks the agreement between a tracer LWP
+ * and zero or more tracee LWPs.  It is explicitly illegal for a tracee to
+ * trace its tracer, and we block this in PTRACE_ATTACH/PTRACE_TRACEME.
+ *
+ * An LWP starts out without an accord.  If a child of that LWP calls
+ * ptrace(2) with the PTRACE_TRACEME subcommand, or if the LWP itself uses
+ * PTRACE_ATTACH, an accord will be allocated and stored on that LWP.  The
+ * accord structure is not released from that LWP until it arrives in
+ * lx_exitlwp(), as called by lwp_exit().  A new accord will not be
+ * allocated, even if one does not exist, once an LWP arrives in lx_exitlwp()
+ * and sets the LX_PTRACE_EXITING flag.  An LWP will have at most one accord
+ * structure throughout its entire lifecycle; once it has one, it has the
+ * same one until death.
+ *
+ * The accord is reference counted (lxpa_refcnt), starting at a count of one
+ * at creation to represent the link from the tracer LWP to its accord.  The
+ * accord is not freed until the reference count falls to zero.
+ *
+ * To make mutual exclusion between a detaching tracer and various notifying
+ * tracees simpler, the tracer will hold "pidlock" while it clears the
+ * accord members that point back to the tracer LWP and CV.
+ *
+ * SIGNALS AND JOB CONTROL
+ *
+ * Various actions, either directly ptrace(2) related or commonly associated
+ * with tracing, cause process- or thread-directed SIGSTOP signals to be sent
+ * to tracees.  These signals, and indeed any signal other than SIGKILL, can
+ * be suppressed by the tracer when using a restarting request (including
+ * PTRACE_DETACH) on a child.  The signal may also be substituted for a
+ * different signal.
+ *
+ * If a SIGSTOP (or other stopping signal) is not suppressed by the tracer,
+ * it will induce the regular illumos native job control stop of the entire
+ * traced process.  This is at least passingly similar to the Linux "group
+ * stop" ptrace(2) condition.
+ *
+ * SYSTEM CALL TRACING
+ *
+ * The ptrace(2) interface enables the tracer to hold the tracee on entry and
+ * exit from system calls.  When a stopped tracee is restarted through the
+ * PTRACE_SYSCALL request, the LX_PTRACE_SYSCALL flag is set until the next
+ * system call boundary.  Whether this is a "syscall-entry-stop" or
+ * "syscall-exit-stop", the tracee is held and the tracer is notified via
+ * SIGCLD/waitpid(2) in the usual way.  The flag LX_PTRACE_SYSCALL flag is
+ * cleared after each stop; for ongoing system call tracing the tracee must
+ * be continuously restarted with PTRACE_SYSCALL.
+ *
+ * EVENT STOPS
+ *
+ * Various events (particularly FORK, VFORK, CLONE, EXEC and EXIT) are
+ * enabled by the tracer through PTRACE_SETOPTIONS.  Once enabled, the tracee
+ * will be stopped at the nominated points of interest and the tracer
+ * notified.  The tracer may request additional information about the event,
+ * such as the pid of new LWPs and processes, via PTRACE_GETEVENTMSG.
+ *
+ * LOCK ORDERING RULES
+ *
+ * It is not safe, in general, to hold p_lock for two different processes at
+ * the same time.  This constraint is the primary reason for the existence
+ * (and complexity) of the ptrace(2) accord mechanism.
+ *
+ * In order to facilitate looking up accords by the "pid" of a tracer LWP,
+ * p_lock for the tracer process may be held while entering the accord mutex
+ * (lxpa_lock).  This mutex protects the accord flags and reference count.
+ * The reference count is manipulated through lx_ptrace_accord_hold() and
+ * lx_ptrace_accord_rele().
+ *
+ * DO NOT interact with the accord mutex (lxpa_lock) directly.  The
+ * lx_ptrace_accord_enter() and lx_ptrace_accord_exit() functions do various
+ * book-keeping and lock ordering enforcement and MUST be used.
+ *
+ * It is NOT legal to take ANY p_lock while holding the accord mutex
+ * (lxpa_lock).  If the lxpa_tracees_lock is to be held concurrently with
+ * lxpa_lock, lxpa_lock MUST be taken first and dropped before taking p_lock
+ * of any processes from the tracee list.
+ *
+ * It is NOT legal to take a tracee p_lock and then attempt to enter the
+ * accord mutex (or tracee list mutex) of its tracer.  When running as the
+ * tracee LWP, the tracee's hold will prevent the accord from being freed.
+ * Use of the LX_PTRACE_STOPPING or LX_PTRACE_CLONING flag in the
+ * LWP-specific brand data prevents an exiting tracer from altering the
+ * tracee until the tracee has come to an orderly stop, without requiring the
+ * tracee to hold its own p_lock the entire time it is stopping.
+ *
+ * It is not safe, in general, to enter "pidlock" while holding the p_lock of
+ * any process.  It is similarly illegal to hold any accord locks (lxpa_lock
+ * or lxpa_sublock) while attempting to enter "pidlock".  As "pidlock" is a
+ * global mutex, it should be held for the shortest possible time.
+ */
+
+#include <sys/types.h>
+#include <sys/kmem.h>
+#include <sys/ksynch.h>
+#include <sys/sysmacros.h>
+#include <sys/procfs.h>
+#include <sys/cmn_err.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/wait.h>
+#include <sys/prsystm.h>
+#include <sys/note.h>
+
+#include <sys/brand.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_impl.h>
+#include <sys/lx_misc.h>
+#include <lx_syscall.h>
+#include <lx_signum.h>
+
+
+typedef enum lx_ptrace_cont_flags_t {
+	LX_PTC_NONE = 0x00,
+	LX_PTC_SYSCALL = 0x01,
+	LX_PTC_SINGLESTEP = 0x02
+} lx_ptrace_cont_flags_t;
+
+/*
+ * Macros for checking the state of an LWP via "br_ptrace_flags":
+ */
+#define	LX_PTRACE_BUSY \
+	(LX_PTRACE_EXITING | LX_PTRACE_STOPPING | LX_PTRACE_CLONING)
+
+#define	VISIBLE(a)	(((a)->br_ptrace_flags & LX_PTRACE_EXITING) == 0)
+#define	TRACEE_BUSY(a)	(((a)->br_ptrace_flags & LX_PTRACE_BUSY) != 0)
+
+#define	ACCORD_HELD(a)	MUTEX_HELD(&(a)->lxpa_lock)
+
+static kcondvar_t lx_ptrace_busy_cv;
+static kmem_cache_t *lx_ptrace_accord_cache;
+
+/*
+ * Enter the accord mutex.
+ */
+static void
+lx_ptrace_accord_enter(lx_ptrace_accord_t *accord)
+{
+	VERIFY(MUTEX_NOT_HELD(&accord->lxpa_tracees_lock));
+
+	mutex_enter(&accord->lxpa_lock);
+}
+
+/*
+ * Exit the accord mutex.  If the reference count has dropped to zero,
+ * free the accord.
+ */
+static void
+lx_ptrace_accord_exit(lx_ptrace_accord_t *accord)
+{
+	VERIFY(ACCORD_HELD(accord));
+
+	if (accord->lxpa_refcnt > 0) {
+		mutex_exit(&accord->lxpa_lock);
+		return;
+	}
+
+	/*
+	 * When the reference count drops to zero we must free the accord.
+	 */
+	VERIFY(accord->lxpa_tracer == NULL);
+	VERIFY(MUTEX_NOT_HELD(&accord->lxpa_tracees_lock));
+	VERIFY(list_is_empty(&accord->lxpa_tracees));
+	VERIFY(accord->lxpa_flags & LX_ACC_TOMBSTONE);
+
+	mutex_destroy(&accord->lxpa_lock);
+	mutex_destroy(&accord->lxpa_tracees_lock);
+
+	kmem_cache_free(lx_ptrace_accord_cache, accord);
+}
+
+/*
+ * Drop our reference to this accord.  If this drops the reference count
+ * to zero, the next lx_ptrace_accord_exit() will free the accord.
+ */
+static void
+lx_ptrace_accord_rele(lx_ptrace_accord_t *accord)
+{
+	VERIFY(ACCORD_HELD(accord));
+
+	VERIFY(accord->lxpa_refcnt > 0);
+	accord->lxpa_refcnt--;
+}
+
+/*
+ * Place an additional hold on an accord.
+ */
+static void
+lx_ptrace_accord_hold(lx_ptrace_accord_t *accord)
+{
+	VERIFY(ACCORD_HELD(accord));
+
+	accord->lxpa_refcnt++;
+}
+
+/*
+ * Fetch the accord for this LWP.  If one has not yet been created, and the
+ * process is not exiting, allocate it now.  Must be called with p_lock held
+ * for the process containing the target LWP.
+ *
+ * If successful, we return holding the accord lock (lxpa_lock).
+ */
+static int
+lx_ptrace_accord_get_locked(klwp_t *lwp, lx_ptrace_accord_t **accordp,
+    boolean_t allocate_one)
+{
+	lx_ptrace_accord_t *lxpa;
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	proc_t *p = lwptoproc(lwp);
+
+	VERIFY(MUTEX_HELD(&p->p_lock));
+
+	/*
+	 * If this LWP does not have an accord, we wish to allocate
+	 * and install one.
+	 */
+	if ((lxpa = lwpd->br_ptrace_accord) == NULL) {
+		if (!allocate_one || !VISIBLE(lwpd)) {
+			/*
+			 * Either we do not wish to allocate an accord, or this
+			 * LWP has already begun exiting from a ptrace
+			 * perspective.
+			 */
+			*accordp = NULL;
+			return (ESRCH);
+		}
+
+		lxpa = kmem_cache_alloc(lx_ptrace_accord_cache, KM_SLEEP);
+		bzero(lxpa, sizeof (*lxpa));
+
+		/*
+		 * The initial reference count is 1 because we are referencing
+		 * it in from the soon-to-be tracer LWP.
+		 */
+		lxpa->lxpa_refcnt = 1;
+		mutex_init(&lxpa->lxpa_lock, NULL, MUTEX_DEFAULT, NULL);
+		mutex_init(&lxpa->lxpa_tracees_lock, NULL, MUTEX_DEFAULT, NULL);
+		list_create(&lxpa->lxpa_tracees, sizeof (lx_lwp_data_t),
+		    offsetof(lx_lwp_data_t, br_ptrace_linkage));
+		lxpa->lxpa_cvp = &p->p_cv;
+
+		lxpa->lxpa_tracer = lwpd;
+		lwpd->br_ptrace_accord = lxpa;
+	}
+
+	/*
+	 * Lock the accord before returning it to the caller.
+	 */
+	lx_ptrace_accord_enter(lxpa);
+
+	/*
+	 * There should be at least one active reference to this accord,
+	 * otherwise it should have been freed.
+	 */
+	VERIFY(lxpa->lxpa_refcnt > 0);
+
+	*accordp = lxpa;
+	return (0);
+}
+
+/*
+ * Accords belong to the tracer LWP.  Get the accord for this tracer or return
+ * an error if it was not possible.  To prevent deadlocks, the caller MUST NOT
+ * hold p_lock on its own or any other process.
+ *
+ * If successful, we return holding the accord lock (lxpa_lock).
+ */
+static int
+lx_ptrace_accord_get_by_pid(pid_t lxpid, lx_ptrace_accord_t **accordp)
+{
+	int ret = ESRCH;
+	pid_t apid;
+	id_t atid;
+	proc_t *aproc;
+	kthread_t *athr;
+	klwp_t *alwp;
+	lx_lwp_data_t *alwpd;
+
+	VERIFY(MUTEX_NOT_HELD(&curproc->p_lock));
+
+	/*
+	 * Locate the process containing the tracer LWP based on its Linux pid
+	 * and lock it.
+	 */
+	if (lx_lpid_to_spair(lxpid, &apid, &atid) != 0 ||
+	    (aproc = sprlock(apid)) == NULL) {
+		return (ESRCH);
+	}
+
+	/*
+	 * Locate the tracer LWP itself and ensure that it is visible to
+	 * ptrace(2).
+	 */
+	if ((athr = idtot(aproc, atid)) == NULL ||
+	    (alwp = ttolwp(athr)) == NULL ||
+	    (alwpd = lwptolxlwp(alwp)) == NULL ||
+	    !VISIBLE(alwpd)) {
+		sprunlock(aproc);
+		return (ESRCH);
+	}
+
+	/*
+	 * We should not fetch our own accord this way.
+	 */
+	if (athr == curthread) {
+		sprunlock(aproc);
+		return (EPERM);
+	}
+
+	/*
+	 * Fetch (or allocate) the accord owned by this tracer LWP:
+	 */
+	ret = lx_ptrace_accord_get_locked(alwp, accordp, B_TRUE);
+
+	/*
+	 * Unlock the process and return.
+	 */
+	sprunlock(aproc);
+	return (ret);
+}
+
+/*
+ * Get (or allocate) the ptrace(2) accord for the current LWP, acting as a
+ * tracer.  The caller MUST NOT currently hold p_lock on the process containing
+ * this LWP.
+ *
+ * If successful, we return holding the accord lock (lxpa_lock).
+ */
+static int
+lx_ptrace_accord_get(lx_ptrace_accord_t **accordp, boolean_t allocate_one)
+{
+	klwp_t *lwp = ttolwp(curthread);
+	proc_t *p = lwptoproc(lwp);
+	int ret;
+
+	VERIFY(MUTEX_NOT_HELD(&p->p_lock));
+
+	/*
+	 * Lock the tracer (this LWP).
+	 */
+	mutex_enter(&p->p_lock);
+
+	/*
+	 * Fetch (or allocate) the accord for this LWP:
+	 */
+	ret = lx_ptrace_accord_get_locked(lwp, accordp, allocate_one);
+
+	mutex_exit(&p->p_lock);
+
+	return (ret);
+}
+
+/*
+ * Restart an LWP if it is in "ptrace-stop".  This function may induce sleep,
+ * so the caller MUST NOT hold any mutexes other than p_lock for the process
+ * containing the LWP.
+ */
+static void
+lx_ptrace_restart_lwp(klwp_t *lwp)
+{
+	kthread_t *rt = lwptot(lwp);
+	proc_t *rproc = lwptoproc(lwp);
+	lx_lwp_data_t *rlwpd = lwptolxlwp(lwp);
+
+	VERIFY(rt != curthread);
+	VERIFY(MUTEX_HELD(&rproc->p_lock));
+
+	/*
+	 * Exclude potential meddling from procfs.
+	 */
+	prbarrier(rproc);
+
+	/*
+	 * Check that the LWP is still in "ptrace-stop" and, if so, restart it.
+	 */
+	thread_lock(rt);
+	if (BSTOPPED(rt) && rt->t_whystop == PR_BRAND) {
+		rt->t_schedflag |= TS_BSTART;
+		setrun_locked(rt);
+
+		/*
+		 * Clear stop reason.
+		 */
+		rlwpd->br_ptrace_whystop = 0;
+		rlwpd->br_ptrace_whatstop = 0;
+		rlwpd->br_ptrace_flags &= ~(LX_PTRACE_CLDPEND |
+		    LX_PTRACE_WAITPEND);
+	}
+	thread_unlock(rt);
+}
+
+static void
+lx_winfo(lx_lwp_data_t *remote, k_siginfo_t *ip, boolean_t waitflag,
+    pid_t *event_ppid, pid_t *event_pid)
+{
+	int signo;
+
+	/*
+	 * Populate our k_siginfo_t with data about this "ptrace-stop"
+	 * condition:
+	 */
+	bzero(ip, sizeof (*ip));
+	ip->si_signo = SIGCLD;
+	ip->si_pid = remote->br_pid;
+	ip->si_code = CLD_TRAPPED;
+
+	switch (remote->br_ptrace_whatstop) {
+	case LX_PR_SYSENTRY:
+	case LX_PR_SYSEXIT:
+		ip->si_status = SIGTRAP;
+		if (remote->br_ptrace_options & LX_PTRACE_O_TRACESYSGOOD) {
+			ip->si_status |= 0x80;
+		}
+		break;
+
+	case LX_PR_SIGNALLED:
+		signo = remote->br_ptrace_stopsig;
+		if (signo < 1 || signo >= LX_NSIG) {
+			/*
+			 * If this signal number is not valid, pretend it
+			 * was a SIGTRAP.
+			 */
+			ip->si_status = SIGTRAP;
+		} else {
+			ip->si_status = ltos_signo[signo];
+		}
+		break;
+
+	case LX_PR_EVENT:
+		ip->si_status = SIGTRAP | remote->br_ptrace_event;
+		/*
+		 * Record the Linux pid of both this LWP and the create
+		 * event we are dispatching.  We will use this information
+		 * to unblock any subsequent ptrace(2) events that depend
+		 * on this one.
+		 */
+		if (event_ppid != NULL)
+			*event_ppid = remote->br_pid;
+		if (event_pid != NULL)
+			*event_pid = (pid_t)remote->br_ptrace_eventmsg;
+		break;
+
+	default:
+		cmn_err(CE_PANIC, "unxpected stop subreason: %d",
+		    remote->br_ptrace_whatstop);
+	}
+
+	/*
+	 * If WNOWAIT was specified, do not mark the event as posted
+	 * so that it may be re-fetched on another call to waitid().
+	 */
+	if (waitflag) {
+		remote->br_ptrace_flags &= ~(LX_PTRACE_CLDPEND |
+		    LX_PTRACE_WAITPEND);
+	}
+}
+
+/*
+ * Receive notification from stop() of a PR_BRAND stop.
+ */
+void
+lx_stop_notify(proc_t *p, klwp_t *lwp, ushort_t why, ushort_t what)
+{
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	lx_ptrace_accord_t *accord;
+	klwp_t *plwp = NULL;
+	proc_t *pp = NULL;
+	lx_lwp_data_t *parent;
+	boolean_t cldpend = B_TRUE;
+	boolean_t cldpost = B_FALSE;
+	sigqueue_t *sqp = NULL;
+
+	/*
+	 * We currently only care about LX-specific stop reasons.
+	 */
+	if (why != PR_BRAND)
+		return;
+
+	switch (what) {
+	case LX_PR_SYSENTRY:
+	case LX_PR_SYSEXIT:
+	case LX_PR_SIGNALLED:
+	case LX_PR_EVENT:
+		break;
+	default:
+		cmn_err(CE_PANIC, "unexpected subreason for PR_BRAND"
+		    " stop: %d", (int)what);
+	}
+
+	/*
+	 * We should be holding the lock on our containing process.  The
+	 * STOPPING flag should have been set by lx_ptrace_stop() for all
+	 * PR_BRAND stops.
+	 */
+	VERIFY(MUTEX_HELD(&p->p_lock));
+	VERIFY(lwpd->br_ptrace_flags & LX_PTRACE_STOPPING);
+	VERIFY((accord = lwpd->br_ptrace_tracer) != NULL);
+
+	/*
+	 * We must drop our process lock to take "pidlock".  The
+	 * LX_PTRACE_STOPPING flag protects us from an exiting tracer.
+	 */
+	mutex_exit(&p->p_lock);
+
+	/*
+	 * Allocate before we enter any mutexes.
+	 */
+	sqp = kmem_zalloc(sizeof (*sqp), KM_SLEEP);
+
+	/*
+	 * We take pidlock now, which excludes all callers of waitid() and
+	 * prevents a detaching tracer from clearing critical accord members.
+	 */
+	mutex_enter(&pidlock);
+	mutex_enter(&p->p_lock);
+
+	/*
+	 * Get the ptrace(2) "parent" process, to which we may send
+	 * a SIGCLD signal later.
+	 */
+	if ((parent = accord->lxpa_tracer) != NULL &&
+	    (plwp = parent->br_lwp) != NULL) {
+		pp = lwptoproc(plwp);
+	}
+
+	/*
+	 * Our tracer should not have been modified in our absence; the
+	 * LX_PTRACE_STOPPING flag prevents it.
+	 */
+	VERIFY(lwpd->br_ptrace_tracer == accord);
+
+	/*
+	 * Stash data for this stop condition in the LWP data while we hold
+	 * both pidlock and our p_lock.
+	 */
+	lwpd->br_ptrace_whystop = why;
+	lwpd->br_ptrace_whatstop = what;
+	lwpd->br_ptrace_flags |= LX_PTRACE_WAITPEND;
+
+	/*
+	 * If this event does not depend on an event from the parent LWP,
+	 * populate the siginfo_t for the event pending on this tracee LWP.
+	 */
+	if (!(lwpd->br_ptrace_flags & LX_PTRACE_PARENT_WAIT) && pp != NULL) {
+		cldpost = B_TRUE;
+		lx_winfo(lwpd, &sqp->sq_info, B_FALSE, NULL, NULL);
+	}
+
+	/*
+	 * Drop our p_lock so that we may lock the tracer.
+	 */
+	mutex_exit(&p->p_lock);
+	if (cldpost && pp != NULL) {
+		/*
+		 * Post the SIGCLD to the tracer.
+		 */
+		mutex_enter(&pp->p_lock);
+		if (!sigismember(&pp->p_sig, SIGCLD)) {
+			sigaddqa(pp, plwp->lwp_thread, sqp);
+			cldpend = B_FALSE;
+			sqp = NULL;
+		}
+		mutex_exit(&pp->p_lock);
+	}
+
+	/*
+	 * We re-take our process lock now.  The lock will be held until
+	 * the thread is actually marked stopped, so we will not race with
+	 * lx_ptrace_lock_if_stopped() or lx_waitid_helper().
+	 */
+	mutex_enter(&p->p_lock);
+
+	/*
+	 * We clear the STOPPING flag; stop() continues to hold our p_lock
+	 * until our thread stop state is visible.
+	 */
+	lwpd->br_ptrace_flags &= ~LX_PTRACE_STOPPING;
+	lwpd->br_ptrace_flags |= LX_PTRACE_STOPPED;
+	if (cldpend) {
+		/*
+		 * We sent the SIGCLD for this new wait condition already.
+		 */
+		lwpd->br_ptrace_flags |= LX_PTRACE_CLDPEND;
+	}
+
+	/*
+	 * If lx_ptrace_exit_tracer() is trying to detach our tracer, it will
+	 * be sleeping on this CV until LX_PTRACE_STOPPING is clear.  Wake it
+	 * now.
+	 */
+	cv_broadcast(&lx_ptrace_busy_cv);
+
+	/*
+	 * While still holding pidlock, we attempt to wake our tracer from a
+	 * potential waitid() slumber.
+	 */
+	if (accord->lxpa_cvp != NULL) {
+		cv_broadcast(accord->lxpa_cvp);
+	}
+
+	/*
+	 * We release pidlock and return as we were called: with our p_lock
+	 * held.
+	 */
+	mutex_exit(&pidlock);
+
+	if (sqp != NULL) {
+		kmem_free(sqp, sizeof (*sqp));
+	}
+}
+
+/*
+ * For any restarting action (e.g. PTRACE_CONT, PTRACE_SYSCALL or
+ * PTRACE_DETACH) to be allowed, the tracee LWP must be in "ptrace-stop".  This
+ * check must ONLY be run on tracees of the current LWP.  If the check is
+ * successful, we return with the tracee p_lock held.
+ */
+static int
+lx_ptrace_lock_if_stopped(lx_ptrace_accord_t *accord, lx_lwp_data_t *remote)
+{
+	klwp_t *rlwp = remote->br_lwp;
+	proc_t *rproc = lwptoproc(rlwp);
+	kthread_t *rt = lwptot(rlwp);
+
+	/*
+	 * We must never check that we, ourselves, are stopped.  We must also
+	 * have the accord tracee list locked while we lock our tracees.
+	 */
+	VERIFY(curthread != rt);
+	VERIFY(MUTEX_HELD(&accord->lxpa_tracees_lock));
+	VERIFY(accord->lxpa_tracer == ttolxlwp(curthread));
+
+	/*
+	 * Lock the process containing the tracee LWP.
+	 */
+	mutex_enter(&rproc->p_lock);
+	if (!VISIBLE(remote)) {
+		/*
+		 * The tracee LWP is currently detaching itself as it exits.
+		 * It is no longer visible to ptrace(2).
+		 */
+		mutex_exit(&rproc->p_lock);
+		return (ESRCH);
+	}
+
+	/*
+	 * We must only check whether tracees of the current LWP are stopped.
+	 * We check this condition after confirming visibility as an exiting
+	 * tracee may no longer be completely consistent.
+	 */
+	VERIFY(remote->br_ptrace_tracer == accord);
+
+	if (!(remote->br_ptrace_flags & LX_PTRACE_STOPPED)) {
+		/*
+		 * The tracee is not in "ptrace-stop", so we release the
+		 * process.
+		 */
+		mutex_exit(&rproc->p_lock);
+		return (ESRCH);
+	}
+
+	/*
+	 * The tracee is stopped.  We return holding its process lock so that
+	 * the caller may manipulate it.
+	 */
+	return (0);
+}
+
+static int
+lx_ptrace_setoptions(lx_lwp_data_t *remote, uintptr_t options)
+{
+	/*
+	 * Check for valid options.
+	 */
+	if ((options & ~LX_PTRACE_O_ALL) != 0) {
+		return (EINVAL);
+	}
+
+	/*
+	 * Set ptrace options on the target LWP.
+	 */
+	remote->br_ptrace_options = (lx_ptrace_options_t)options;
+
+	return (0);
+}
+
+static int
+lx_ptrace_geteventmsg(lx_lwp_data_t *remote, void *umsgp)
+{
+	int error;
+
+#if defined(_SYSCALL32_IMPL)
+	if (get_udatamodel() != DATAMODEL_NATIVE) {
+		uint32_t tmp = remote->br_ptrace_eventmsg;
+
+		error = copyout(&tmp, umsgp, sizeof (uint32_t));
+	} else
+#endif
+	{
+		error = copyout(&remote->br_ptrace_eventmsg, umsgp,
+		    sizeof (ulong_t));
+	}
+
+	return (error);
+}
+
+static int
+lx_ptrace_getregs(lx_lwp_data_t *remote, void *uregsp)
+{
+	if (remote->br_stack_mode == LX_STACK_MODE_BRAND) {
+		/*
+		 * The LWP was stopped with the brand stack and register
+		 * state loaded, e.g. during a system call emulated within
+		 * the kernel.  Return the LWP register state.
+		 */
+		return (lx_regs_to_userregs(remote, uregsp));
+	} else if (remote->br_stack_mode == LX_STACK_MODE_PREINIT &&
+	    (remote->br_ptrace_whatstop == LX_PR_SIGNALLED ||
+	    remote->br_ptrace_whatstop == LX_PR_SYSEXIT)) {
+		/*
+		 * The LWP was stopped by tracing on exec.
+		 */
+		return (lx_regs_to_userregs(remote, uregsp));
+	} else if (remote->br_stack_mode == LX_STACK_MODE_NATIVE &&
+	    remote->br_ptrace_whystop == PR_BRAND &&
+	    remote->br_ptrace_whatstop == LX_PR_EVENT) {
+		/*
+		 * Called while we're ptrace event stopped by lx_exec.
+		 */
+		return (lx_regs_to_userregs(remote, uregsp));
+	} else if (remote->br_ptrace_stopucp != NULL) {
+		/*
+		 * The LWP was stopped in the usermode emulation library
+		 * but a ucontext_t for the preserved brand stack and
+		 * register state was provided.  Return the register state
+		 * from that ucontext_t.
+		 */
+		return (lx_uc_to_userregs(remote,
+		    (void *)remote->br_ptrace_stopucp, uregsp));
+	} else {
+		/*
+		 * The register state is not currently available.
+		 */
+		return (EIO);
+	}
+}
+
+static int
+lx_ptrace_setregs(lx_lwp_data_t *remote, void *uregsp)
+{
+	if (remote->br_stack_mode == LX_STACK_MODE_BRAND) {
+		/*
+		 * The LWP was stopped with the brand stack and register
+		 * state loaded, e.g. during a system call emulated within
+		 * the kernel.  Write to the LWP register state.
+		 */
+		return (lx_userregs_to_regs(remote, uregsp));
+	} else if (remote->br_ptrace_stopucp != NULL) {
+		/*
+		 * The LWP was stopped in the usermode emulation library
+		 * but a ucontext_t for the preserved brand stack and
+		 * register state was provided.  Write to the register state
+		 * in that ucontext_t.
+		 */
+		return (lx_userregs_to_uc(remote,
+		    (void *)remote->br_ptrace_stopucp, uregsp));
+	} else {
+		/*
+		 * The register state is not currently available.
+		 */
+		return (EIO);
+	}
+}
+
+/*
+ * Implements the PTRACE_CONT subcommand of the Linux ptrace(2) interface.
+ */
+static int
+lx_ptrace_cont(lx_lwp_data_t *remote, lx_ptrace_cont_flags_t flags, int signo)
+{
+	klwp_t *lwp = remote->br_lwp;
+
+	if (flags & LX_PTC_SINGLESTEP) {
+		/*
+		 * We do not currently support single-stepping.
+		 */
+		lx_unsupported("PTRACE_SINGLESTEP not currently implemented");
+		return (EINVAL);
+	}
+
+	/*
+	 * The tracer may choose to suppress the delivery of a signal, or
+	 * select an alternative signal for delivery.  If this is an
+	 * appropriate ptrace(2) "signal-delivery-stop", br_ptrace_stopsig
+	 * will be used as the new signal number.
+	 *
+	 * As with so many other aspects of the Linux ptrace(2) interface, this
+	 * may fail silently if the state machine is not aligned correctly.
+	 */
+	remote->br_ptrace_stopsig = signo;
+
+	/*
+	 * Handle the syscall-stop flag if this is a PTRACE_SYSCALL restart:
+	 */
+	if (flags & LX_PTC_SYSCALL) {
+		remote->br_ptrace_flags |= LX_PTRACE_SYSCALL;
+	} else {
+		remote->br_ptrace_flags &= ~LX_PTRACE_SYSCALL;
+	}
+
+	lx_ptrace_restart_lwp(lwp);
+
+	return (0);
+}
+
+/*
+ * Implements the PTRACE_DETACH subcommand of the Linux ptrace(2) interface.
+ *
+ * The LWP identified by the Linux pid "lx_pid" will, if it as a tracee of the
+ * current LWP, be detached and set runnable.  If the specified LWP is not
+ * currently in the "ptrace-stop" state, the routine will return ESRCH as if
+ * the LWP did not exist at all.
+ *
+ * The caller must not hold p_lock on any process.
+ */
+static int
+lx_ptrace_detach(lx_ptrace_accord_t *accord, lx_lwp_data_t *remote, int signo,
+    boolean_t *release_hold)
+{
+	klwp_t *rlwp;
+
+	rlwp = remote->br_lwp;
+
+	/*
+	 * The tracee LWP was in "ptrace-stop" and we now hold its p_lock.
+	 * Detach the LWP from the accord and set it running.
+	 */
+	VERIFY(!TRACEE_BUSY(remote));
+	remote->br_ptrace_flags &= ~(LX_PTRACE_SYSCALL | LX_PTRACE_INHERIT);
+	VERIFY(list_link_active(&remote->br_ptrace_linkage));
+	list_remove(&accord->lxpa_tracees, remote);
+
+	remote->br_ptrace_attach = LX_PTA_NONE;
+	remote->br_ptrace_tracer = NULL;
+	remote->br_ptrace_flags = 0;
+	*release_hold = B_TRUE;
+
+	/*
+	 * The tracer may, as described in lx_ptrace_cont(), choose to suppress
+	 * or modify the delivered signal.
+	 */
+	remote->br_ptrace_stopsig = signo;
+
+	lx_ptrace_restart_lwp(rlwp);
+
+	return (0);
+}
+
+/*
+ * This routine implements the PTRACE_ATTACH operation of the Linux ptrace(2)
+ * interface.
+ *
+ * This LWP is requesting to be attached as a tracer to another LWP -- the
+ * tracee.  If a ptrace accord to track the list of tracees has not yet been
+ * allocated, one will be allocated and attached to this LWP now.
+ *
+ * The "br_ptrace_tracer" on the tracee LWP is set to this accord, and the
+ * tracee LWP is then added to the "lxpa_tracees" list in the accord.  We drop
+ * locks between these two phases; the only consumer of trace events from this
+ * accord is this LWP, which obviously cannot be running waitpid(2) at the same
+ * time as this call to ptrace(2).
+ */
+static int
+lx_ptrace_attach(pid_t lx_pid)
+{
+	int error = ESRCH;
+	/*
+	 * Our (Tracer) LWP:
+	 */
+	lx_ptrace_accord_t *accord;
+	lx_lwp_data_t *lwpd = ttolxlwp(curthread);
+	/*
+	 * Remote (Tracee) LWP:
+	 */
+	pid_t rpid;
+	id_t rtid;
+	proc_t *rproc;
+	kthread_t *rthr;
+	klwp_t *rlwp;
+	lx_lwp_data_t *rlwpd;
+
+	if (lwpd->br_pid == lx_pid) {
+		/*
+		 * We cannot trace ourselves.
+		 */
+		return (EPERM);
+	}
+
+	/*
+	 * Ensure that we have an accord and obtain a lock on it.  This
+	 * routine should not fail because the LWP cannot make ptrace(2) system
+	 * calls after it has begun exiting.
+	 */
+	VERIFY0(lwpd->br_ptrace_flags & LX_PTRACE_EXITING);
+	VERIFY(lx_ptrace_accord_get(&accord, B_TRUE) == 0);
+
+	/*
+	 * Place speculative hold in case the attach is successful.
+	 */
+	lx_ptrace_accord_hold(accord);
+	lx_ptrace_accord_exit(accord);
+
+	/*
+	 * Locate the process containing the tracee LWP based on its Linux pid
+	 * and lock it.
+	 */
+	if (lx_lpid_to_spair(lx_pid, &rpid, &rtid) != 0 ||
+	    (rproc = sprlock(rpid)) == NULL) {
+		/*
+		 * We could not find the target process.
+		 */
+		goto errout;
+	}
+
+	/*
+	 * Locate the tracee LWP.
+	 */
+	if ((rthr = idtot(rproc, rtid)) == NULL ||
+	    (rlwp = ttolwp(rthr)) == NULL ||
+	    (rlwpd = lwptolxlwp(rlwp)) == NULL ||
+	    !VISIBLE(rlwpd)) {
+		/*
+		 * The LWP could not be found, was not branded, or is not
+		 * visible to ptrace(2) at this time.
+		 */
+		goto unlock_errout;
+	}
+
+	/*
+	 * We now hold the lock on the tracee.  Attempt to install ourselves
+	 * as the tracer.
+	 */
+	if (curproc != rproc && priv_proc_cred_perm(curproc->p_cred, rproc,
+	    NULL, VWRITE) != 0) {
+		/*
+		 * This process does not have permission to trace the remote
+		 * process.
+		 */
+		error = EPERM;
+	} else if (rlwpd->br_ptrace_tracer != NULL) {
+		/*
+		 * This LWP is already being traced.
+		 */
+		VERIFY(list_link_active(&rlwpd->br_ptrace_linkage));
+		VERIFY(rlwpd->br_ptrace_attach != LX_PTA_NONE);
+		error = EPERM;
+	} else {
+		lx_proc_data_t *rprocd;
+
+		/*
+		 * Bond the tracee to the accord.
+		 */
+		VERIFY0(rlwpd->br_ptrace_flags & LX_PTRACE_EXITING);
+		VERIFY(rlwpd->br_ptrace_attach == LX_PTA_NONE);
+		rlwpd->br_ptrace_attach = LX_PTA_ATTACH;
+		rlwpd->br_ptrace_tracer = accord;
+
+		/*
+		 * We had no tracer, and are thus not in the tracees list.
+		 * It is safe to take the tracee list lock while we insert
+		 * ourselves.
+		 */
+		mutex_enter(&accord->lxpa_tracees_lock);
+		VERIFY(!list_link_active(&rlwpd->br_ptrace_linkage));
+		list_insert_tail(&accord->lxpa_tracees, rlwpd);
+		mutex_exit(&accord->lxpa_tracees_lock);
+
+		/*
+		 * Send a thread-directed SIGSTOP.
+		 */
+		sigtoproc(rproc, rthr, SIGSTOP);
+
+		/*
+		 * Set the in-kernel process-wide ptrace(2) enable flag.
+		 */
+		rprocd = ttolxproc(rthr);
+		rprocd->l_ptrace = 1;
+
+		error = 0;
+	}
+
+unlock_errout:
+	/*
+	 * Unlock the process containing the tracee LWP and the accord.
+	 */
+	sprunlock(rproc);
+
+errout:
+	if (error != 0) {
+		/*
+		 * The attach was not successful.  Remove our speculative
+		 * hold.
+		 */
+		lx_ptrace_accord_enter(accord);
+		lx_ptrace_accord_rele(accord);
+		lx_ptrace_accord_exit(accord);
+	}
+
+	return (error);
+}
+
+int
+lx_ptrace_set_clone_inherit(int option, boolean_t inherit_flag)
+{
+	klwp_t *lwp = ttolwp(curthread);
+	proc_t *p = lwptoproc(lwp);
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+
+	mutex_enter(&p->p_lock);
+
+	switch (option) {
+	case LX_PTRACE_O_TRACEFORK:
+	case LX_PTRACE_O_TRACEVFORK:
+	case LX_PTRACE_O_TRACECLONE:
+		lwpd->br_ptrace_clone_option = option;
+		break;
+
+	default:
+		return (EINVAL);
+	}
+
+	if (inherit_flag) {
+		lwpd->br_ptrace_flags |= LX_PTRACE_INHERIT;
+	} else {
+		lwpd->br_ptrace_flags &= ~LX_PTRACE_INHERIT;
+	}
+
+	mutex_exit(&p->p_lock);
+	return (0);
+}
+
+/*
+ * If the parent LWP is being traced, we want to attach ourselves to the
+ * same accord.
+ */
+void
+lx_ptrace_inherit_tracer(lx_lwp_data_t *src, lx_lwp_data_t *dst)
+{
+	proc_t *srcp = lwptoproc(src->br_lwp);
+	proc_t *dstp = lwptoproc(dst->br_lwp);
+	lx_ptrace_accord_t *accord;
+	boolean_t unlock = B_FALSE;
+
+	if (srcp == dstp) {
+		/*
+		 * This is syslwp_create(), so the process p_lock is already
+		 * held.
+		 */
+		VERIFY(MUTEX_HELD(&srcp->p_lock));
+	} else {
+		unlock = B_TRUE;
+		mutex_enter(&srcp->p_lock);
+	}
+
+	if ((accord = src->br_ptrace_tracer) == NULL) {
+		/*
+		 * The source LWP does not have a tracer to inherit.
+		 */
+		goto out;
+	}
+
+	/*
+	 * There are two conditions to check when determining if the new
+	 * child should inherit the same tracer (and tracing options) as its
+	 * parent.  Either condition is sufficient to trigger inheritance.
+	 */
+	dst->br_ptrace_attach = LX_PTA_NONE;
+	if ((src->br_ptrace_options & src->br_ptrace_clone_option) != 0) {
+		/*
+		 * Condition 1:
+		 * The clone(2), fork(2) and vfork(2) emulated system calls
+		 * populate "br_ptrace_clone_option" with the specific
+		 * ptrace(2) SETOPTIONS option that applies to this
+		 * operation.  If the relevant option has been enabled by the
+		 * tracer then we inherit.
+		 */
+		dst->br_ptrace_attach |= LX_PTA_INHERIT_OPTIONS;
+
+	} else if ((src->br_ptrace_flags & LX_PTRACE_INHERIT) != 0) {
+		/*
+		 * Condition 2:
+		 * If the caller opted in to inheritance with the
+		 * PTRACE_CLONE flag to clone(2), the LX_PTRACE_INHERIT flag
+		 * will be set and we inherit.
+		 */
+		dst->br_ptrace_attach |= LX_PTA_INHERIT_CLONE;
+	}
+
+	/*
+	 * These values only apply for the duration of a single clone(2), et
+	 * al, system call.
+	 */
+	src->br_ptrace_flags &= ~LX_PTRACE_INHERIT;
+	src->br_ptrace_clone_option = 0;
+
+	if (dst->br_ptrace_attach == LX_PTA_NONE) {
+		/*
+		 * No condition triggered inheritance.
+		 */
+		goto out;
+	}
+
+	/*
+	 * Set the LX_PTRACE_CLONING flag to prevent us from being detached
+	 * while our p_lock is dropped.
+	 */
+	src->br_ptrace_flags |= LX_PTRACE_CLONING;
+	mutex_exit(&srcp->p_lock);
+
+	/*
+	 * Hold the accord for the new LWP.
+	 */
+	lx_ptrace_accord_enter(accord);
+	lx_ptrace_accord_hold(accord);
+	lx_ptrace_accord_exit(accord);
+
+	/*
+	 * Install the tracer and copy the current PTRACE_SETOPTIONS options.
+	 */
+	dst->br_ptrace_tracer = accord;
+	dst->br_ptrace_options = src->br_ptrace_options;
+
+	/*
+	 * This flag prevents waitid() from seeing events for the new child
+	 * until the parent is able to post the relevant ptrace event to
+	 * the tracer.
+	 */
+	dst->br_ptrace_flags |= LX_PTRACE_PARENT_WAIT;
+
+	mutex_enter(&accord->lxpa_tracees_lock);
+	VERIFY(list_link_active(&src->br_ptrace_linkage));
+	VERIFY(!list_link_active(&dst->br_ptrace_linkage));
+	list_insert_tail(&accord->lxpa_tracees, dst);
+	mutex_exit(&accord->lxpa_tracees_lock);
+
+	/*
+	 * Relock our process and clear our busy flag.
+	 */
+	mutex_enter(&srcp->p_lock);
+	src->br_ptrace_flags &= ~LX_PTRACE_CLONING;
+
+	/*
+	 * If lx_ptrace_exit_tracer() is trying to detach our tracer, it will
+	 * be sleeping on this CV until LX_PTRACE_CLONING is clear.  Wake it
+	 * now.
+	 */
+	cv_broadcast(&lx_ptrace_busy_cv);
+
+out:
+	if (unlock) {
+		mutex_exit(&srcp->p_lock);
+	}
+}
+
+static int
+lx_ptrace_traceme(void)
+{
+	int error;
+	boolean_t did_attach = B_FALSE;
+	/*
+	 * Our (Tracee) LWP:
+	 */
+	klwp_t *lwp = ttolwp(curthread);
+	proc_t *p = lwptoproc(lwp);
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	/*
+	 * Remote (Tracer) LWP:
+	 */
+	lx_ptrace_accord_t *accord;
+
+	/*
+	 * We are intending to be the tracee.  Fetch (or allocate) the accord
+	 * for our parent LWP.
+	 */
+	if ((error = lx_ptrace_accord_get_by_pid(lx_lwp_ppid(lwp, NULL,
+	    NULL), &accord)) != 0) {
+		/*
+		 * Could not determine the Linux pid of the parent LWP, or
+		 * could not get the accord for that LWP.
+		 */
+		return (error);
+	}
+
+	/*
+	 * We now hold the accord lock.
+	 */
+	if (accord->lxpa_flags & LX_ACC_TOMBSTONE) {
+		/*
+		 * The accord is marked for death; give up now.
+		 */
+		lx_ptrace_accord_exit(accord);
+		return (ESRCH);
+	}
+
+	/*
+	 * Bump the reference count so that the accord is not freed.  We need
+	 * to drop the accord lock before we take our own p_lock.
+	 */
+	lx_ptrace_accord_hold(accord);
+	lx_ptrace_accord_exit(accord);
+
+	/*
+	 * We now lock _our_ process and determine if we can install our parent
+	 * as our tracer.
+	 */
+	mutex_enter(&p->p_lock);
+	if (lwpd->br_ptrace_tracer != NULL) {
+		/*
+		 * This LWP is already being traced.
+		 */
+		VERIFY(lwpd->br_ptrace_attach != LX_PTA_NONE);
+		error = EPERM;
+	} else {
+		/*
+		 * Bond ourselves to the accord.  We already bumped the accord
+		 * reference count.
+		 */
+		VERIFY(lwpd->br_ptrace_attach == LX_PTA_NONE);
+		lwpd->br_ptrace_attach = LX_PTA_TRACEME;
+		lwpd->br_ptrace_tracer = accord;
+		did_attach = B_TRUE;
+		error = 0;
+	}
+	mutex_exit(&p->p_lock);
+
+	/*
+	 * Lock the accord tracee list and add this LWP.  Once we are in the
+	 * tracee list, it is the responsibility of the tracer to detach us.
+	 */
+	if (error == 0) {
+		lx_ptrace_accord_enter(accord);
+		mutex_enter(&accord->lxpa_tracees_lock);
+
+		if (!(accord->lxpa_flags & LX_ACC_TOMBSTONE)) {
+			lx_proc_data_t *procd = ttolxproc(curthread);
+
+			/*
+			 * Put ourselves in the tracee list for this accord.
+			 */
+			VERIFY(!list_link_active(&lwpd->br_ptrace_linkage));
+			list_insert_tail(&accord->lxpa_tracees, lwpd);
+			mutex_exit(&accord->lxpa_tracees_lock);
+			lx_ptrace_accord_exit(accord);
+
+			/*
+			 * Set the in-kernel process-wide ptrace(2) enable
+			 * flag.
+			 */
+			procd->l_ptrace = 1;
+
+			return (0);
+		}
+		mutex_exit(&accord->lxpa_tracees_lock);
+
+		/*
+		 * The accord has been marked for death.  We must
+		 * untrace ourselves.
+		 */
+		error = ESRCH;
+		lx_ptrace_accord_exit(accord);
+	}
+
+	/*
+	 * Our optimism was unjustified: We were unable to attach.  We need to
+	 * lock the process containing this LWP again in order to remove the
+	 * tracer.
+	 */
+	VERIFY(error != 0);
+	mutex_enter(&p->p_lock);
+	if (did_attach) {
+		/*
+		 * Verify that things were as we left them:
+		 */
+		VERIFY(!list_link_active(&lwpd->br_ptrace_linkage));
+		VERIFY(lwpd->br_ptrace_tracer == accord);
+
+		lwpd->br_ptrace_attach = LX_PTA_NONE;
+		lwpd->br_ptrace_tracer = NULL;
+	}
+	mutex_exit(&p->p_lock);
+
+	/*
+	 * Remove our speculative hold on the accord, possibly causing it to be
+	 * freed in the process.
+	 */
+	lx_ptrace_accord_enter(accord);
+	lx_ptrace_accord_rele(accord);
+	lx_ptrace_accord_exit(accord);
+
+	return (error);
+}
+
+static boolean_t
+lx_ptrace_stop_common(proc_t *p, lx_lwp_data_t *lwpd, ushort_t what)
+{
+	boolean_t reset_nostop = B_FALSE;
+
+	VERIFY(MUTEX_HELD(&p->p_lock));
+
+	/*
+	 * Mark this LWP as stopping and call stop() to enter "ptrace-stop".
+	 */
+	VERIFY0(lwpd->br_ptrace_flags & LX_PTRACE_STOPPING);
+	lwpd->br_ptrace_flags |= LX_PTRACE_STOPPING;
+
+	if (lwpd->br_lwp->lwp_nostop == 1 &&
+	    lwpd->br_ptrace_event == LX_PTRACE_EVENT_EXEC) {
+		/* We need to clear this to get the signal delivered. */
+		lwpd->br_lwp->lwp_nostop = 0;
+		reset_nostop = B_TRUE;
+	}
+
+	stop(PR_BRAND, what);
+
+	if (reset_nostop) {
+		VERIFY(lwpd->br_lwp->lwp_nostop == 0);
+		lwpd->br_lwp->lwp_nostop = 1;
+	}
+
+	/*
+	 * We are back from "ptrace-stop" with our process lock held.
+	 */
+	lwpd->br_ptrace_flags &= ~(LX_PTRACE_STOPPING | LX_PTRACE_STOPPED |
+	    LX_PTRACE_CLDPEND);
+	lwpd->br_ptrace_stopucp = NULL;
+	cv_broadcast(&lx_ptrace_busy_cv);
+	mutex_exit(&p->p_lock);
+
+	return (B_TRUE);
+}
+
+int
+lx_ptrace_stop_for_option(int option, boolean_t child, ulong_t msg,
+    uintptr_t ucp)
+{
+	kthread_t *t = curthread;
+	klwp_t *lwp = ttolwp(t);
+	proc_t *p = lwptoproc(lwp);
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+
+	mutex_enter(&p->p_lock);
+	if (lwpd->br_ptrace_tracer == NULL) {
+		mutex_exit(&p->p_lock);
+		return (ESRCH);
+	}
+
+	if (!child) {
+		/*
+		 * Only the first event posted by a new process is to be held
+		 * until the matching parent event is dispatched, and only if
+		 * it is a "child" event.  This is not a child event, so we
+		 * clear the wait flag.
+		 */
+		lwpd->br_ptrace_flags &= ~LX_PTRACE_PARENT_WAIT;
+	}
+
+	if (!(lwpd->br_ptrace_options & option)) {
+		if (option == LX_PTRACE_O_TRACEEXEC) {
+			/*
+			 * Without PTRACE_O_TRACEEXEC, the Linux kernel will
+			 * send SIGTRAP to the process.
+			 */
+			sigtoproc(p, t, SIGTRAP);
+			mutex_exit(&p->p_lock);
+			return (0);
+		}
+
+		/*
+		 * The flag for this trace event is not enabled, so we will not
+		 * stop.
+		 */
+		mutex_exit(&p->p_lock);
+		return (ESRCH);
+	}
+
+	if (child) {
+		switch (option) {
+		case LX_PTRACE_O_TRACECLONE:
+		case LX_PTRACE_O_TRACEFORK:
+		case LX_PTRACE_O_TRACEVFORK:
+			/*
+			 * Send the child LWP a directed SIGSTOP.
+			 */
+			sigtoproc(p, t, SIGSTOP);
+			mutex_exit(&p->p_lock);
+			return (0);
+		default:
+			goto nostop;
+		}
+	}
+
+	lwpd->br_ptrace_eventmsg = msg;
+
+	switch (option) {
+	case LX_PTRACE_O_TRACECLONE:
+		lwpd->br_ptrace_event = LX_PTRACE_EVENT_CLONE;
+		break;
+	case LX_PTRACE_O_TRACEEXEC:
+		lwpd->br_ptrace_event = LX_PTRACE_EVENT_EXEC;
+		lwpd->br_ptrace_eventmsg = 0;
+		break;
+	case LX_PTRACE_O_TRACEEXIT:
+		lwpd->br_ptrace_event = LX_PTRACE_EVENT_EXIT;
+		break;
+	case LX_PTRACE_O_TRACEFORK:
+		lwpd->br_ptrace_event = LX_PTRACE_EVENT_FORK;
+		break;
+	case LX_PTRACE_O_TRACEVFORK:
+		lwpd->br_ptrace_event = LX_PTRACE_EVENT_VFORK;
+		break;
+	case LX_PTRACE_O_TRACEVFORKDONE:
+		lwpd->br_ptrace_event = LX_PTRACE_EVENT_VFORK_DONE;
+		lwpd->br_ptrace_eventmsg = 0;
+		break;
+	default:
+		goto nostop;
+	}
+
+	/*
+	 * Userland may have passed in a ucontext_t pointer for
+	 * PTRACE_GETREGS/PTRACE_SETREGS usage while stopped.
+	 */
+	lwpd->br_ptrace_stopucp = ucp;
+
+	/*
+	 * p_lock for the process containing the tracee will be dropped by
+	 * lx_ptrace_stop_common().
+	 */
+	return (lx_ptrace_stop_common(p, lwpd, LX_PR_EVENT) ? 0 : ESRCH);
+
+nostop:
+	lwpd->br_ptrace_event = 0;
+	lwpd->br_ptrace_eventmsg = 0;
+	mutex_exit(&p->p_lock);
+	return (ESRCH);
+}
+
+boolean_t
+lx_ptrace_stop(ushort_t what)
+{
+	klwp_t *lwp = ttolwp(curthread);
+	proc_t *p = lwptoproc(lwp);
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+
+	VERIFY(what == LX_PR_SYSENTRY || what == LX_PR_SYSEXIT ||
+	    what == LX_PR_SIGNALLED);
+
+	/*
+	 * If we do not have an accord, bail out early.
+	 */
+	if (lwpd->br_ptrace_tracer == NULL)
+		return (B_FALSE);
+
+	/*
+	 * Lock this process and re-check the condition.
+	 */
+	mutex_enter(&p->p_lock);
+	if (lwpd->br_ptrace_tracer == NULL) {
+		VERIFY0(lwpd->br_ptrace_flags & LX_PTRACE_SYSCALL);
+		mutex_exit(&p->p_lock);
+		return (B_FALSE);
+	}
+
+	if (what == LX_PR_SYSENTRY || what == LX_PR_SYSEXIT) {
+		/*
+		 * This is a syscall-entry-stop or syscall-exit-stop point.
+		 */
+		if (!(lwpd->br_ptrace_flags & LX_PTRACE_SYSCALL)) {
+			/*
+			 * A system call stop has not been requested.
+			 */
+			mutex_exit(&p->p_lock);
+			return (B_FALSE);
+		}
+
+		/*
+		 * The PTRACE_SYSCALL restart command applies only to the next
+		 * system call entry or exit.  The tracer must restart us with
+		 * PTRACE_SYSCALL while we are in ptrace-stop for us to fire
+		 * again at the next system call boundary.
+		 */
+		lwpd->br_ptrace_flags &= ~LX_PTRACE_SYSCALL;
+	}
+
+	/*
+	 * p_lock for the process containing the tracee will be dropped by
+	 * lx_ptrace_stop_common().
+	 */
+	return (lx_ptrace_stop_common(p, lwpd, what));
+}
+
+int
+lx_ptrace_issig_stop(proc_t *p, klwp_t *lwp)
+{
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	int lx_sig;
+
+	VERIFY(MUTEX_HELD(&p->p_lock));
+
+	/*
+	 * If we do not have an accord, bail out now.  Additionally, if there
+	 * is no valid signal then we have no reason to stop.
+	 */
+	if (lwpd->br_ptrace_tracer == NULL || lwp->lwp_cursig == SIGKILL ||
+	    (lwp->lwp_cursig == 0 || lwp->lwp_cursig > NSIG) ||
+	    (lx_sig = stol_signo[lwp->lwp_cursig]) < 1) {
+		return (0);
+	}
+
+	/*
+	 * We stash the signal on the LWP where our waitid_helper will find it
+	 * and enter the ptrace "signal-delivery-stop" condition.
+	 */
+	lwpd->br_ptrace_stopsig = lx_sig;
+	(void) lx_ptrace_stop_common(p, lwpd, LX_PR_SIGNALLED);
+	mutex_enter(&p->p_lock);
+
+	/*
+	 * When we return, the signal may have been altered or suppressed.
+	 */
+	if (lwpd->br_ptrace_stopsig != lx_sig) {
+		int native_sig;
+		lx_sig = lwpd->br_ptrace_stopsig;
+
+		if (lx_sig >= LX_NSIG) {
+			lx_sig = 0;
+		}
+
+		/*
+		 * Translate signal from Linux signal number back to
+		 * an illumos native signal.
+		 */
+		if (lx_sig >= LX_NSIG || lx_sig < 0 || (native_sig =
+		    ltos_signo[lx_sig]) < 1) {
+			/*
+			 * The signal is not deliverable.
+			 */
+			lwp->lwp_cursig = 0;
+			lwp->lwp_extsig = 0;
+			if (lwp->lwp_curinfo) {
+				siginfofree(lwp->lwp_curinfo);
+				lwp->lwp_curinfo = NULL;
+			}
+		} else {
+			/*
+			 * Alter the currently dispatching signal.
+			 */
+			if (native_sig == SIGKILL) {
+				/*
+				 * We mark ourselves the victim and request
+				 * a restart of signal processing.
+				 */
+				p->p_flag |= SKILLED;
+				p->p_flag &= ~SEXTKILLED;
+				return (-1);
+			}
+			lwp->lwp_cursig = native_sig;
+			lwp->lwp_extsig = 0;
+			if (lwp->lwp_curinfo != NULL) {
+				lwp->lwp_curinfo->sq_info.si_signo = native_sig;
+			}
+		}
+	}
+
+	lwpd->br_ptrace_stopsig = 0;
+	return (0);
+}
+
+static void
+lx_ptrace_exit_tracer(proc_t *p, lx_lwp_data_t *lwpd,
+    lx_ptrace_accord_t *accord)
+{
+	VERIFY(MUTEX_NOT_HELD(&p->p_lock));
+
+	lx_ptrace_accord_enter(accord);
+	/*
+	 * Mark this accord for death.  This means no new tracees can be
+	 * attached to this accord.
+	 */
+	VERIFY0(accord->lxpa_flags & LX_ACC_TOMBSTONE);
+	accord->lxpa_flags |= LX_ACC_TOMBSTONE;
+	lx_ptrace_accord_exit(accord);
+
+	/*
+	 * Walk the list of tracees, detaching them and setting them runnable
+	 * if they are stopped.
+	 */
+	for (;;) {
+		klwp_t *rlwp;
+		proc_t *rproc;
+		lx_lwp_data_t *remote;
+		kmutex_t *rmp;
+
+		mutex_enter(&accord->lxpa_tracees_lock);
+		if (list_is_empty(&accord->lxpa_tracees)) {
+			mutex_exit(&accord->lxpa_tracees_lock);
+			break;
+		}
+
+		/*
+		 * Fetch the first tracee LWP in the list and lock the process
+		 * which contains it.
+		 */
+		remote = list_head(&accord->lxpa_tracees);
+		rlwp = remote->br_lwp;
+		rproc = lwptoproc(rlwp);
+		/*
+		 * The p_lock mutex persists beyond the life of the process
+		 * itself.  We save the address, here, to prevent the need to
+		 * dereference the proc_t after awaking from sleep.
+		 */
+		rmp = &rproc->p_lock;
+		mutex_enter(rmp);
+
+		if (TRACEE_BUSY(remote)) {
+			/*
+			 * This LWP is currently detaching itself on exit, or
+			 * mid-way through stop().  We must wait for this
+			 * action to be completed.  While we wait on the CV, we
+			 * must drop the accord tracee list lock.
+			 */
+			mutex_exit(&accord->lxpa_tracees_lock);
+			cv_wait(&lx_ptrace_busy_cv, rmp);
+
+			/*
+			 * While we were waiting, some state may have changed.
+			 * Restart the walk to be sure we don't miss anything.
+			 */
+			mutex_exit(rmp);
+			continue;
+		}
+
+		/*
+		 * We now hold p_lock on the process.  Remove the tracee from
+		 * the list.
+		 */
+		VERIFY(list_link_active(&remote->br_ptrace_linkage));
+		list_remove(&accord->lxpa_tracees, remote);
+
+		/*
+		 * Unlink the accord and clear our trace flags.
+		 */
+		remote->br_ptrace_attach = LX_PTA_NONE;
+		remote->br_ptrace_tracer = NULL;
+		remote->br_ptrace_flags = 0;
+
+		/*
+		 * Let go of the list lock before we restart the LWP.  We must
+		 * not hold any locks other than the process p_lock when
+		 * we call lx_ptrace_restart_lwp() as it will thread_lock
+		 * the tracee.
+		 */
+		mutex_exit(&accord->lxpa_tracees_lock);
+
+		/*
+		 * Ensure that the LWP is not stopped on our account.
+		 */
+		lx_ptrace_restart_lwp(rlwp);
+
+		/*
+		 * Unlock the former tracee.
+		 */
+		mutex_exit(rmp);
+
+		/*
+		 * Drop the hold this tracee had on the accord.
+		 */
+		lx_ptrace_accord_enter(accord);
+		lx_ptrace_accord_rele(accord);
+		lx_ptrace_accord_exit(accord);
+	}
+
+	mutex_enter(&p->p_lock);
+	lwpd->br_ptrace_accord = NULL;
+	mutex_exit(&p->p_lock);
+
+	/*
+	 * Clean up and release our hold on the accord If we completely
+	 * detached all tracee LWPs, this will free the accord.  Otherwise, it
+	 * will be freed when they complete their cleanup.
+	 *
+	 * We hold "pidlock" while clearing these members for easy exclusion of
+	 * waitid(), etc.
+	 */
+	mutex_enter(&pidlock);
+	lx_ptrace_accord_enter(accord);
+	accord->lxpa_cvp = NULL;
+	accord->lxpa_tracer = NULL;
+	mutex_exit(&pidlock);
+	lx_ptrace_accord_rele(accord);
+	lx_ptrace_accord_exit(accord);
+}
+
+static void
+lx_ptrace_exit_tracee(proc_t *p, lx_lwp_data_t *lwpd,
+    lx_ptrace_accord_t *accord)
+{
+	VERIFY(MUTEX_NOT_HELD(&p->p_lock));
+
+	/*
+	 * We are the tracee LWP.  Lock the accord tracee list and then our
+	 * containing process.
+	 */
+	mutex_enter(&accord->lxpa_tracees_lock);
+	mutex_enter(&p->p_lock);
+
+	/*
+	 * Remove our reference to the accord.  We will release our hold
+	 * later.
+	 */
+	VERIFY(lwpd->br_ptrace_tracer == accord);
+	lwpd->br_ptrace_attach = LX_PTA_NONE;
+	lwpd->br_ptrace_tracer = NULL;
+
+	/*
+	 * Remove this LWP from the accord tracee list:
+	 */
+	VERIFY(list_link_active(&lwpd->br_ptrace_linkage));
+	list_remove(&accord->lxpa_tracees, lwpd);
+
+	/*
+	 * Wake up any tracers waiting for us to detach from the accord.
+	 */
+	cv_broadcast(&lx_ptrace_busy_cv);
+	mutex_exit(&p->p_lock);
+	mutex_exit(&accord->lxpa_tracees_lock);
+
+	/*
+	 * Grab "pidlock" and wake the tracer if it is blocked in waitid().
+	 */
+	mutex_enter(&pidlock);
+	if (accord->lxpa_cvp != NULL) {
+		cv_broadcast(accord->lxpa_cvp);
+	}
+	mutex_exit(&pidlock);
+
+	/*
+	 * Release our hold on the accord.
+	 */
+	lx_ptrace_accord_enter(accord);
+	lx_ptrace_accord_rele(accord);
+	lx_ptrace_accord_exit(accord);
+}
+
+/*
+ * This routine is called from lx_exitlwp() when an LWP is ready to exit.  If
+ * this LWP is being traced, it will be detached from the tracer's accord.  The
+ * routine will also detach any LWPs being traced by this LWP.
+ */
+void
+lx_ptrace_exit(proc_t *p, klwp_t *lwp)
+{
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	lx_ptrace_accord_t *accord;
+
+	VERIFY(MUTEX_HELD(&p->p_lock));
+
+	/*
+	 * Mark our LWP as exiting from a ptrace perspective.  This will
+	 * prevent a new accord from being allocated if one does not exist
+	 * already, and will make us invisible to PTRACE_ATTACH/PTRACE_TRACEME.
+	 */
+	VERIFY0(lwpd->br_ptrace_flags & LX_PTRACE_EXITING);
+	lwpd->br_ptrace_flags |= LX_PTRACE_EXITING;
+
+	if ((accord = lwpd->br_ptrace_tracer) != NULL) {
+		/*
+		 * We are traced by another LWP and must detach ourselves.
+		 */
+		mutex_exit(&p->p_lock);
+		lx_ptrace_exit_tracee(p, lwpd, accord);
+		mutex_enter(&p->p_lock);
+	}
+
+	if ((accord = lwpd->br_ptrace_accord) != NULL) {
+		/*
+		 * We have been tracing other LWPs, and must detach from
+		 * them and clean up our accord.
+		 */
+		mutex_exit(&p->p_lock);
+		lx_ptrace_exit_tracer(p, lwpd, accord);
+		mutex_enter(&p->p_lock);
+	}
+}
+
+/*
+ * Called when a SIGCLD signal is dispatched so that we may enqueue another.
+ * Return 0 if we enqueued a signal, or -1 if not.
+ */
+int
+lx_sigcld_repost(proc_t *pp, sigqueue_t *sqp)
+{
+	klwp_t *lwp = ttolwp(curthread);
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	lx_ptrace_accord_t *accord;
+	lx_lwp_data_t *remote;
+	klwp_t *rlwp;
+	proc_t *rproc;
+	boolean_t found = B_FALSE;
+
+	VERIFY(MUTEX_HELD(&pidlock));
+	VERIFY(MUTEX_NOT_HELD(&pp->p_lock));
+	VERIFY(lwptoproc(lwp) == pp);
+
+	mutex_enter(&pp->p_lock);
+	if ((accord = lwpd->br_ptrace_accord) == NULL) {
+		/*
+		 * This LWP is not a tracer LWP, so there will be no
+		 * SIGCLD.
+		 */
+		mutex_exit(&pp->p_lock);
+		return (-1);
+	}
+	mutex_exit(&pp->p_lock);
+
+	mutex_enter(&accord->lxpa_tracees_lock);
+	for (remote = list_head(&accord->lxpa_tracees); remote != NULL;
+	    remote = list_next(&accord->lxpa_tracees, remote)) {
+		rlwp = remote->br_lwp;
+		rproc = lwptoproc(rlwp);
+
+		/*
+		 * Check if this LWP is in "ptrace-stop".  If in the correct
+		 * stop condition, lock the process containing the tracee LWP.
+		 */
+		if (lx_ptrace_lock_if_stopped(accord, remote) != 0) {
+			continue;
+		}
+
+		if (remote->br_ptrace_flags & LX_PTRACE_PARENT_WAIT) {
+			/*
+			 * This event depends on waitid() clearing out the
+			 * event of another LWP.  Skip it for now.
+			 */
+			mutex_exit(&rproc->p_lock);
+			continue;
+		}
+
+		if (!(remote->br_ptrace_flags & LX_PTRACE_CLDPEND)) {
+			/*
+			 * No SIGCLD is required for this LWP.
+			 */
+			mutex_exit(&rproc->p_lock);
+			continue;
+		}
+
+		if (!(remote->br_ptrace_flags & LX_PTRACE_WAITPEND) ||
+		    remote->br_ptrace_whystop == 0 ||
+		    remote->br_ptrace_whatstop == 0) {
+			/*
+			 * No (new) stop reason to post for this LWP.
+			 */
+			mutex_exit(&rproc->p_lock);
+			continue;
+		}
+
+		/*
+		 * We found a process of interest.  Leave the process
+		 * containing the tracee LWP locked and break out of the loop.
+		 */
+		found = B_TRUE;
+		break;
+	}
+	mutex_exit(&accord->lxpa_tracees_lock);
+
+	if (!found) {
+		return (-1);
+	}
+
+	/*
+	 * Generate siginfo for this tracee LWP.
+	 */
+	lx_winfo(remote, &sqp->sq_info, B_FALSE, NULL, NULL);
+	remote->br_ptrace_flags &= ~LX_PTRACE_CLDPEND;
+	mutex_exit(&rproc->p_lock);
+
+	mutex_enter(&pp->p_lock);
+	if (sigismember(&pp->p_sig, SIGCLD)) {
+		mutex_exit(&pp->p_lock);
+
+		mutex_enter(&rproc->p_lock);
+		remote->br_ptrace_flags |= LX_PTRACE_CLDPEND;
+		mutex_exit(&rproc->p_lock);
+
+		return (-1);
+	}
+	sigaddqa(pp, curthread, sqp);
+	mutex_exit(&pp->p_lock);
+
+	return (0);
+}
+
+/*
+ * Consume the next available ptrace(2) event queued against the accord for
+ * this LWP.  The event will be emitted as if through waitid(), and converted
+ * by lx_waitpid() and friends before the return to usermode.
+ */
+int
+lx_waitid_helper(idtype_t idtype, id_t id, k_siginfo_t *ip, int options,
+    boolean_t *brand_wants_wait, int *rval)
+{
+	lx_ptrace_accord_t *accord;
+	klwp_t *lwp = ttolwp(curthread);
+	proc_t *p = lwptoproc(lwp);
+	lx_lwp_data_t *local = lwptolxlwp(lwp);
+	lx_lwp_data_t *remote;
+	boolean_t found = B_FALSE;
+	klwp_t *rlwp = NULL;
+	proc_t *rproc = NULL;
+	pid_t event_pid = 0, event_ppid = 0;
+	boolean_t waitflag = !(options & WNOWAIT);
+
+	VERIFY(MUTEX_HELD(&pidlock));
+	VERIFY(MUTEX_NOT_HELD(&p->p_lock));
+
+	/*
+	 * By default, we do not expect waitid() to block on our account.
+	 */
+	*brand_wants_wait = B_FALSE;
+
+	if (!local->br_waitid_emulate) {
+		/*
+		 * This waitid() call is not expecting emulated results.
+		 */
+		return (-1);
+	}
+
+	switch (idtype) {
+	case P_ALL:
+	case P_PID:
+	case P_PGID:
+		break;
+	default:
+		/*
+		 * This idtype has no power here.
+		 */
+		return (-1);
+	}
+
+	if (lx_ptrace_accord_get(&accord, B_FALSE) != 0) {
+		/*
+		 * This LWP does not have an accord; it cannot be tracing.
+		 */
+		return (-1);
+	}
+
+	/*
+	 * We do not need an additional hold on the accord as it belongs to
+	 * the running, tracer, LWP.
+	 */
+	lx_ptrace_accord_exit(accord);
+
+	mutex_enter(&accord->lxpa_tracees_lock);
+	if (list_is_empty(&accord->lxpa_tracees)) {
+		/*
+		 * Though it has an accord, there are currently no tracees in
+		 * the list for this LWP.
+		 */
+		mutex_exit(&accord->lxpa_tracees_lock);
+		return (-1);
+	}
+
+	/*
+	 * Walk the list of tracees and determine if any of them have events to
+	 * report.
+	 */
+	for (remote = list_head(&accord->lxpa_tracees); remote != NULL;
+	    remote = list_next(&accord->lxpa_tracees, remote)) {
+		rlwp = remote->br_lwp;
+		rproc = lwptoproc(rlwp);
+
+		/*
+		 * If the __WALL option was passed, we unconditionally consider
+		 * every possible child.
+		 */
+		if (!(local->br_waitid_flags & LX_WALL)) {
+			/*
+			 * Otherwise, we check to see if this LWP matches an
+			 * id we are waiting for.
+			 */
+			switch (idtype) {
+			case P_ALL:
+				break;
+			case P_PID:
+				if (remote->br_pid != id)
+					continue;
+				break;
+			case P_PGID:
+				if (rproc->p_pgrp != id)
+					continue;
+				break;
+			default:
+				cmn_err(CE_PANIC, "unexpected idtype: %d",
+				    idtype);
+			}
+		}
+
+		/*
+		 * Check if this LWP is in "ptrace-stop".  If in the correct
+		 * stop condition, lock the process containing the tracee LWP.
+		 */
+		if (lx_ptrace_lock_if_stopped(accord, remote) != 0) {
+			continue;
+		}
+
+		if (remote->br_ptrace_flags & LX_PTRACE_PARENT_WAIT) {
+			/*
+			 * This event depends on waitid() clearing out the
+			 * event of another LWP.  Skip it for now.
+			 */
+			mutex_exit(&rproc->p_lock);
+			continue;
+		}
+
+		if (!(remote->br_ptrace_flags & LX_PTRACE_WAITPEND) ||
+		    remote->br_ptrace_whystop == 0 ||
+		    remote->br_ptrace_whatstop == 0) {
+			/*
+			 * No (new) stop reason to post for this LWP.
+			 */
+			mutex_exit(&rproc->p_lock);
+			continue;
+		}
+
+		/*
+		 * We found a process of interest.  Leave the process
+		 * containing the tracee LWP locked and break out of the loop.
+		 */
+		found = B_TRUE;
+		break;
+	}
+	mutex_exit(&accord->lxpa_tracees_lock);
+
+	if (!found) {
+		/*
+		 * There were no events of interest, but we have tracees.
+		 * Signal to waitid() that it should block if the provided
+		 * flags allow for it.
+		 */
+		*brand_wants_wait = B_TRUE;
+		return (-1);
+	}
+
+	/*
+	 * Populate the signal information.
+	 */
+	lx_winfo(remote, ip, waitflag, &event_ppid, &event_pid);
+
+	/*
+	 * Unlock the tracee.
+	 */
+	mutex_exit(&rproc->p_lock);
+
+	if (event_pid != 0 && event_ppid != 0) {
+		/*
+		 * We need to do another pass around the tracee list and
+		 * unblock any events that have a "happens after" relationship
+		 * with this event.
+		 */
+		mutex_enter(&accord->lxpa_tracees_lock);
+		for (remote = list_head(&accord->lxpa_tracees); remote != NULL;
+		    remote = list_next(&accord->lxpa_tracees, remote)) {
+			rlwp = remote->br_lwp;
+			rproc = lwptoproc(rlwp);
+
+			mutex_enter(&rproc->p_lock);
+
+			if (remote->br_pid != event_pid ||
+			    remote->br_ppid != event_ppid) {
+				mutex_exit(&rproc->p_lock);
+				continue;
+			}
+
+			remote->br_ptrace_flags &= ~LX_PTRACE_PARENT_WAIT;
+
+			mutex_exit(&rproc->p_lock);
+		}
+		mutex_exit(&accord->lxpa_tracees_lock);
+	}
+
+	/*
+	 * If we are consuming this wait state, we remove the SIGCLD from
+	 * the queue and post another.
+	 */
+	if (waitflag) {
+		mutex_exit(&pidlock);
+		sigcld_delete(ip);
+		sigcld_repost();
+		mutex_enter(&pidlock);
+	}
+
+	*rval = 0;
+	return (0);
+}
+
+/*
+ * Some PTRACE_* requests are handled in-kernel by this function.  It is called
+ * through brandsys() via the B_PTRACE_KERNEL subcommand.
+ */
+int
+lx_ptrace_kernel(int ptrace_op, pid_t lxpid, uintptr_t addr, uintptr_t data)
+{
+	lx_lwp_data_t *local = ttolxlwp(curthread);
+	lx_ptrace_accord_t *accord;
+	lx_lwp_data_t *remote;
+	klwp_t *rlwp;
+	proc_t *rproc;
+	int error;
+	boolean_t found = B_FALSE;
+	boolean_t release_hold = B_FALSE;
+
+	_NOTE(ARGUNUSED(addr));
+
+	/*
+	 * These actions do not require the target LWP to be traced or stopped.
+	 */
+	switch (ptrace_op) {
+	case LX_PTRACE_TRACEME:
+		return (lx_ptrace_traceme());
+
+	case LX_PTRACE_ATTACH:
+		return (lx_ptrace_attach(lxpid));
+	}
+
+	/*
+	 * Ensure that we have an accord and obtain a lock on it.  This routine
+	 * should not fail because the LWP cannot make ptrace(2) system calls
+	 * after it has begun exiting.
+	 */
+	VERIFY0(local->br_ptrace_flags & LX_PTRACE_EXITING);
+	VERIFY(lx_ptrace_accord_get(&accord, B_TRUE) == 0);
+
+	/*
+	 * The accord belongs to this (the tracer) LWP, and we have a hold on
+	 * it.  We drop the lock so that we can take other locks.
+	 */
+	lx_ptrace_accord_exit(accord);
+
+	/*
+	 * Does the tracee list contain the pid in question?
+	 */
+	mutex_enter(&accord->lxpa_tracees_lock);
+	for (remote = list_head(&accord->lxpa_tracees); remote != NULL;
+	    remote = list_next(&accord->lxpa_tracees, remote)) {
+		if (remote->br_pid == lxpid) {
+			found = B_TRUE;
+			break;
+		}
+	}
+	if (!found) {
+		/*
+		 * The requested pid does not appear in the tracee list.
+		 */
+		mutex_exit(&accord->lxpa_tracees_lock);
+		return (ESRCH);
+	}
+
+	/*
+	 * Attempt to lock the target LWP.
+	 */
+	if ((error = lx_ptrace_lock_if_stopped(accord, remote)) != 0) {
+		/*
+		 * The LWP was not in "ptrace-stop".
+		 */
+		mutex_exit(&accord->lxpa_tracees_lock);
+		return (error);
+	}
+
+	/*
+	 * The target LWP is in "ptrace-stop".  We have the containing process
+	 * locked.
+	 */
+	rlwp = remote->br_lwp;
+	rproc = lwptoproc(rlwp);
+
+	/*
+	 * Process the ptrace(2) request:
+	 */
+	switch (ptrace_op) {
+	case LX_PTRACE_DETACH:
+		error = lx_ptrace_detach(accord, remote, (int)data,
+		    &release_hold);
+		break;
+
+	case LX_PTRACE_CONT:
+		error = lx_ptrace_cont(remote, LX_PTC_NONE, (int)data);
+		break;
+
+	case LX_PTRACE_SYSCALL:
+		error = lx_ptrace_cont(remote, LX_PTC_SYSCALL, (int)data);
+		break;
+
+	case LX_PTRACE_SINGLESTEP:
+		error = lx_ptrace_cont(remote, LX_PTC_SINGLESTEP, (int)data);
+		break;
+
+	case LX_PTRACE_SETOPTIONS:
+		error = lx_ptrace_setoptions(remote, data);
+		break;
+
+	case LX_PTRACE_GETEVENTMSG:
+		error = lx_ptrace_geteventmsg(remote, (void *)data);
+		break;
+
+	case LX_PTRACE_GETREGS:
+		error = lx_ptrace_getregs(remote, (void *)data);
+		break;
+
+	case LX_PTRACE_SETREGS:
+		error = lx_ptrace_setregs(remote, (void *)data);
+		break;
+
+	default:
+		error = EINVAL;
+	}
+
+	/*
+	 * Drop the lock on both the tracee process and the tracee list.
+	 */
+	mutex_exit(&rproc->p_lock);
+	mutex_exit(&accord->lxpa_tracees_lock);
+
+	if (release_hold) {
+		/*
+		 * Release a hold from the accord.
+		 */
+		lx_ptrace_accord_enter(accord);
+		lx_ptrace_accord_rele(accord);
+		lx_ptrace_accord_exit(accord);
+	}
+
+	return (error);
+}
+
+void
+lx_ptrace_init(void)
+{
+	cv_init(&lx_ptrace_busy_cv, NULL, CV_DEFAULT, NULL);
+
+	lx_ptrace_accord_cache = kmem_cache_create("lx_ptrace_accord",
+	    sizeof (lx_ptrace_accord_t), 0, NULL, NULL, NULL, NULL, NULL, 0);
+}
+
+void
+lx_ptrace_fini(void)
+{
+	cv_destroy(&lx_ptrace_busy_cv);
+
+	kmem_cache_destroy(lx_ptrace_accord_cache);
+}
diff --git a/usr/src/uts/common/brand/lx/os/lx_syscall.c b/usr/src/uts/common/brand/lx/os/lx_syscall.c
new file mode 100644
index 0000000000..965aff2ca9
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/os/lx_syscall.c
@@ -0,0 +1,1220 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/kmem.h>
+#include <sys/errno.h>
+#include <sys/thread.h>
+#include <sys/systm.h>
+#include <sys/syscall.h>
+#include <sys/proc.h>
+#include <sys/modctl.h>
+#include <sys/cmn_err.h>
+#include <sys/model.h>
+#include <sys/privregs.h>
+#include <sys/brand.h>
+#include <sys/machbrand.h>
+#include <sys/sdt.h>
+#include <sys/lx_syscalls.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_impl.h>
+#include <sys/lx_misc.h>
+#include <lx_errno.h>
+
+
+/*
+ * Flags for sysent entries:
+ */
+#define	LX_SYS_NOSYS_REASON	0x07
+#define	LX_SYS_EBPARG6		0x08
+
+/*
+ * Flags that denote the specific reason we do not have a particular system
+ * call.  These reasons are only valid if the function is NULL.
+ */
+#define	NOSYS_USERMODE		0
+#define	NOSYS_NULL		1
+#define	NOSYS_NONE		2
+#define	NOSYS_NO_EQUIV		3
+#define	NOSYS_KERNEL		4
+#define	NOSYS_UNDOC		5
+#define	NOSYS_OBSOLETE		6
+#define	NOSYS_MAX		NOSYS_OBSOLETE
+
+#if NOSYS_MAX > LX_SYS_NOSYS_REASON
+#error NOSYS reason codes must fit in LX_SYS_NOSYS_REASON
+#endif
+
+/*
+ * Strings describing the reason we do not emulate a particular system call
+ * in the kernel.
+ */
+static char *nosys_reasons[] = {
+	NULL, /* NOSYS_USERMODE means this call is emulated in usermode */
+	"Not done yet",
+	"No such Linux system call",
+	"No equivalent illumos functionality",
+	"Reads/modifies Linux kernel state",
+	"Undocumented and/or rarely used system call",
+	"Unsupported, obsolete system call"
+};
+
+
+#if defined(_LP64)
+/*
+ * System call handler table and entry count for Linux x86_64 (amd64):
+ */
+lx_sysent_t lx_sysent64[LX_NSYSCALLS + 1];
+int lx_nsysent64;
+#endif
+/*
+ * System call handler table and entry count for Linux x86 (i386):
+ */
+lx_sysent_t lx_sysent32[LX_NSYSCALLS + 1];
+int lx_nsysent32;
+
+#if defined(_LP64)
+struct lx_vsyscall
+{
+	uintptr_t lv_addr;
+	uintptr_t lv_scnum;
+} lx_vsyscalls[] = {
+	{ LX_VSYS_gettimeofday, LX_SYS_gettimeofday },
+	{ LX_VSYS_time, LX_SYS_time },
+	{ LX_VSYS_getcpu, LX_SYS_getcpu },
+	{ NULL, NULL }
+};
+#endif
+
+#if defined(__amd64)
+static int
+lx_emulate_args(klwp_t *lwp, const lx_sysent_t *s, uintptr_t *args)
+{
+	struct regs *rp = lwptoregs(lwp);
+
+	if (get_udatamodel() == DATAMODEL_NATIVE) {
+		/*
+		 * Note: Syscall argument passing is different from function
+		 * call argument passing on amd64.  For function calls, the
+		 * fourth arg is passed via %rcx, but for system calls the 4th
+		 * arg is passed via %r10.  This is because in amd64, the
+		 * syscall instruction puts the lower 32 bits of %rflags in
+		 * %r11 and puts the %rip value to %rcx.
+		 *
+		 * Appendix A of the amd64 ABI (Linux conventions) states that
+		 * syscalls are limited to 6 args and no arg is passed on the
+		 * stack.
+		 */
+		args[0] = rp->r_rdi;
+		args[1] = rp->r_rsi;
+		args[2] = rp->r_rdx;
+		args[3] = rp->r_r10;
+		args[4] = rp->r_r8;
+		args[5] = rp->r_r9;
+	} else {
+		/*
+		 * If the system call takes 6 args, then libc has stashed them
+		 * in memory at the address contained in %ebx. Except for some
+		 * syscalls which store the 6th argument in %ebp.
+		 */
+		if (s->sy_narg == 6 && !(s->sy_flags & LX_SYS_EBPARG6)) {
+			uint32_t args32[6];
+
+			if (copyin((void *)rp->r_rbx, &args32,
+			    sizeof (args32)) != 0) {
+				/*
+				 * Clear the argument vector so that the
+				 * trace probe does not expose kernel
+				 * memory.
+				 */
+				bzero(args, 6 * sizeof (uintptr_t));
+				return (set_errno(EFAULT));
+			}
+
+			args[0] = args32[0];
+			args[1] = args32[1];
+			args[2] = args32[2];
+			args[3] = args32[3];
+			args[4] = args32[4];
+			args[5] = args32[5];
+		} else {
+			args[0] = rp->r_rbx;
+			args[1] = rp->r_rcx;
+			args[2] = rp->r_rdx;
+			args[3] = rp->r_rsi;
+			args[4] = rp->r_rdi;
+			args[5] = rp->r_rbp;
+		}
+	}
+
+	return (0);
+}
+
+#else	/* !__amd64 */
+
+static int
+lx_emulate_args(klwp_t *lwp, const lx_sysent_t *s, uintptr_t *args)
+{
+	struct regs *rp = lwptoregs(lwp);
+
+	/*
+	 * If the system call takes 6 args, then libc has stashed them
+	 * in memory at the address contained in %ebx. Except for some
+	 * syscalls which store the 6th argument in %ebp.
+	 */
+	if (s->sy_narg == 6 && !(s->sy_flags & LX_SYS_EBPARG6)) {
+		if (copyin((void *)rp->r_ebx, args, 6 * sizeof (uintptr_t)) !=
+		    0) {
+			/*
+			 * Clear the argument vector so that the trace probe
+			 * does not expose kernel memory.
+			 */
+			bzero(args, 6 * sizeof (uintptr_t));
+			return (set_errno(EFAULT));
+		}
+	} else {
+		args[0] = rp->r_ebx;
+		args[1] = rp->r_ecx;
+		args[2] = rp->r_edx;
+		args[3] = rp->r_esi;
+		args[4] = rp->r_edi;
+		args[5] = rp->r_ebp;
+	}
+
+	return (0);
+}
+#endif
+
+int
+lx_syscall_return(klwp_t *lwp, int syscall_num, long ret)
+{
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	struct regs *rp = lwptoregs(lwp);
+	int error = lwp->lwp_errno;
+
+	if (error != EINTR) {
+		/*
+		 * If this system call was not interrupted, clear the system
+		 * call restart flag before lx_setcontext() can pass it to
+		 * usermode.
+		 */
+		lwpd->br_syscall_restart = B_FALSE;
+	}
+
+	if (error != 0) {
+		/*
+		 * Convert from illumos to Linux errno:
+		 */
+		ret = -lx_errno(error, EINVAL);
+	}
+
+	/*
+	 * 32-bit Linux system calls return via %eax; 64-bit calls return via
+	 * %rax.
+	 */
+	rp->r_r0 = ret;
+
+	/*
+	 * Hold for the ptrace(2) "syscall-exit-stop" condition if required by
+	 * PTRACE_SYSCALL.  Note that the register state may be modified by
+	 * tracer.
+	 */
+	lx_ptrace_stop(LX_PR_SYSEXIT);
+
+	/*
+	 * Fire the DTrace "lx-syscall:::return" probe:
+	 */
+	lx_trace_sysreturn(syscall_num, ret);
+
+	/*
+	 * Clear errno for next time.  We do not clear "br_syscall_restart" or
+	 * "br_syscall_num" as they are potentially used by "lx_savecontext()"
+	 * in the signal delivery path.
+	 */
+	lwp->lwp_errno = 0;
+
+	lx_check_strict_failure(lwpd);
+
+	/*
+	 * We want complete control of the registers on return from this
+	 * emulated Linux system call:
+	 */
+	lwp->lwp_eosys = JUSTRETURN;
+	curthread->t_post_sys = 1;
+	aston(curthread);
+
+	return (0);
+}
+
+static void
+lx_syscall_unsup_msg(lx_sysent_t *s, int syscall_num, int unsup_reason)
+{
+	char buf[100];
+
+	if (s == NULL) {
+		(void) snprintf(buf, sizeof (buf), "NOSYS (%d): out of bounds",
+		    syscall_num);
+	} else {
+		VERIFY(unsup_reason < (sizeof (nosys_reasons) /
+		    sizeof (*nosys_reasons)));
+
+		if (s->sy_name == NULL) {
+			(void) snprintf(buf, sizeof (buf), "NOSYS (%d): %s",
+			    syscall_num, nosys_reasons[unsup_reason]);
+		} else {
+			(void) snprintf(buf, sizeof (buf), "NOSYS (%s): %s",
+			    s->sy_name, nosys_reasons[unsup_reason]);
+		}
+	}
+
+	lx_unsupported(buf);
+}
+
+/*
+ * This function is used to override the processing of arguments and
+ * invocation of a handler for emulated system calls, installed on each
+ * branded LWP as "lwp_brand_syscall".  If this system call should use the
+ * native path, we return 1.  If we handled this system call (and have made
+ * arrangements with respect to post-return usermode register state) we
+ * return 0.
+ */
+int
+lx_syscall_enter(void)
+{
+	klwp_t *lwp = ttolwp(curthread);
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	struct regs *rp = lwptoregs(lwp);
+	int syscall_num;
+	int error;
+	long ret = 0;
+	lx_sysent_t *s;
+	uintptr_t args[6];
+	unsigned int unsup_reason;
+
+	/*
+	 * If we got here, we should have an LWP-specific brand data
+	 * structure.
+	 */
+	VERIFY(lwpd != NULL);
+
+	if (lwpd->br_stack_mode != LX_STACK_MODE_BRAND) {
+		/*
+		 * The lwp is not in in BRAND execution mode, so we return
+		 * to the regular native system call path.
+		 */
+		DTRACE_PROBE(brand__lx__syscall__hook__skip);
+		return (1);
+	}
+
+	/*
+	 * Clear the restartable system call flag.  This flag will be set
+	 * on in the system call handler if the call is a candidate for
+	 * a restart.  It will be saved by lx_setcontext() in the event
+	 * that we take a signal, and used in the signal handling path
+	 * to restart the system call iff SA_RESTART was set for this
+	 * signal.  Save the system call number so that we can store it
+	 * in the saved context if required.
+	 */
+	lwpd->br_syscall_restart = B_FALSE;
+	lwpd->br_syscall_num = (int)rp->r_r0;
+
+	/*
+	 * Hold for the ptrace(2) "syscall-entry-stop" condition if traced by
+	 * PTRACE_SYSCALL.  The system call number and arguments may be
+	 * modified by the tracer.
+	 */
+	lx_ptrace_stop(LX_PR_SYSENTRY);
+
+	/*
+	 * Check that the system call number is within the bounds we expect.
+	 */
+	syscall_num = lwpd->br_syscall_num;
+	if (syscall_num < 0 || syscall_num > LX_MAX_SYSCALL(lwp)) {
+		lx_syscall_unsup_msg(NULL, syscall_num, 0);
+
+		set_errno(ENOTSUP);
+		lx_syscall_return(lwp, syscall_num, -1);
+		return (0);
+	}
+
+#if defined(_LP64)
+	if (lwp_getdatamodel(lwp) == DATAMODEL_NATIVE) {
+		s = &lx_sysent64[syscall_num];
+	} else
+#endif
+	{
+		s = &lx_sysent32[syscall_num];
+	}
+
+	/*
+	 * Process the arguments for this system call and fire the DTrace
+	 * "lx-syscall:::entry" probe:
+	 */
+	error = lx_emulate_args(lwp, s, args);
+	lx_trace_sysenter(syscall_num, args);
+	if (error != 0) {
+		/*
+		 * Could not read and process the arguments.  Return the error
+		 * to the process.
+		 */
+		set_errno(error);
+		lx_syscall_return(lwp, syscall_num, -1);
+		return (0);
+	}
+
+	if (s->sy_callc != NULL) {
+		/*
+		 * Call the in-kernel handler for this Linux system call:
+		 */
+		ret = s->sy_callc(args[0], args[1], args[2], args[3], args[4],
+		    args[5]);
+		lx_syscall_return(lwp, syscall_num, ret);
+		return (0);
+	}
+
+	/*
+	 * There is no in-kernel handler.
+	 */
+	switch (unsup_reason = (s->sy_flags & LX_SYS_NOSYS_REASON)) {
+	case NOSYS_USERMODE:
+		/*
+		 * Pass to the usermode emulation routine.
+		 */
+#if defined(_LP64)
+		if (get_udatamodel() != DATAMODEL_NATIVE) {
+			lx_emulate_user32(lwp, syscall_num, args);
+		} else
+#endif
+		{
+			lx_emulate_user(lwp, syscall_num, args);
+		}
+		return (0);
+
+	default:
+		/*
+		 * We are not emulating this system call at all.
+		 */
+		lx_syscall_unsup_msg(s, syscall_num, unsup_reason);
+
+		set_errno(ENOTSUP);
+		lx_syscall_return(lwp, syscall_num, -1);
+		return (0);
+	}
+}
+
+#if defined(_LP64)
+/*
+ * Emulate vsyscall support.
+ *
+ * Linux magically maps a single page into the address space of each process,
+ * allowing them to make 'vsyscalls'.  Originally designed to counteract the
+ * perceived overhead of regular system calls, vsyscalls were implemented as
+ * code residing in userspace which could be called directly.  The userspace
+ * implementations of these vsyscalls which have now been replaced by
+ * instructions which vector into the normal syscall path.
+ *
+ * Implementing vsyscalls on Illumos is complicated by the fact that the
+ * required static address region resides inside the kernel address space.
+ * Rather than mapping a user-accessible page into the KAS, a different
+ * approach is taken.  The vsyscall gate is emulated by interposing on
+ * pagefaults in trap().  An attempt to execute a known vsyscall address will
+ * result in emulating the appropriate system call rather than inducing a
+ * SIGSEGV.
+ */
+void
+lx_vsyscall_enter(proc_t *p, klwp_t *lwp, int scnum)
+{
+	struct regs *rp = lwptoregs(lwp);
+	uintptr_t raddr;
+
+	/*
+	 * Fetch the return address from the process stack.
+	 */
+	VERIFY(MUTEX_NOT_HELD(&p->p_lock));
+	if (copyin((void *)rp->r_rsp, &raddr, sizeof (raddr)) != 0) {
+#if DEBUG
+		printf("lx_vsyscall_call: bad brand stack at vsyscall "
+		    "cmd=%s, pid=%d, sp=0x%p\n", PTOU(p)->u_comm,
+		    p->p_pid, (void *)rp->r_rsp);
+#endif
+
+		/*
+		 * The process jumped to the vsyscall address without a
+		 * correctly configured stack.  Terminate the process.
+		 */
+		exit(CLD_KILLED, SIGSEGV);
+		return;
+	}
+
+	DTRACE_PROBE1(brand__lx__vsyscall, int, scnum);
+
+	/* Simulate vectoring into the syscall */
+	rp->r_rax = scnum;
+	rp->r_rip = raddr;
+	rp->r_rsp += sizeof (uintptr_t);
+
+	lx_syscall_enter();
+}
+
+boolean_t
+lx_vsyscall_iscall(klwp_t *lwp, uintptr_t addr, int *scnum)
+{
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	int i;
+
+	if (lwpd->br_stack_mode != LX_STACK_MODE_BRAND) {
+		/*
+		 * We only handle vsyscalls when running Linux code.
+		 */
+		return (B_FALSE);
+	}
+
+	if (addr < LX_VSYSCALL_ADDR ||
+	    addr >= (LX_VSYSCALL_ADDR + LX_VSYSCALL_SIZE)) {
+		/*
+		 * Ignore faults outside the vsyscall page.
+		 */
+		return (B_FALSE);
+	}
+
+	for (i = 0; lx_vsyscalls[i].lv_addr != NULL; i++) {
+		if (addr == lx_vsyscalls[i].lv_addr) {
+			/*
+			 * This is a valid vsyscall address.
+			 */
+			*scnum = lx_vsyscalls[i].lv_scnum;
+			return (B_TRUE);
+		}
+	}
+
+	lx_unsupported("bad vsyscall access");
+	return (B_FALSE);
+}
+#endif
+
+/*
+ * Linux defines system call numbers for 32-bit x86 in the file:
+ *   arch/x86/syscalls/syscall_32.tbl
+ */
+lx_sysent_t lx_sysent32[] = {
+	{"nosys",	NULL,			NOSYS_NONE,	0}, /*  0 */
+	{"exit",	NULL,			0,		1}, /*  1 */
+	{"fork",	NULL,			0,		0}, /*  2 */
+	{"read",	lx_read,		0,		3}, /*  3 */
+	{"write",	lx_write,		0,		3}, /*  4 */
+	{"open",	lx_open,		0,		3}, /*  5 */
+	{"close",	NULL,			0,		1}, /*  6 */
+	{"waitpid",	lx_waitpid,		0,		3}, /*  7 */
+	{"creat",	NULL,			0,		2}, /*  8 */
+	{"link",	NULL,			0,		2}, /*  9 */
+	{"unlink",	NULL,			0,		1}, /* 10 */
+	{"execve",	NULL,			0,		3}, /* 11 */
+	{"chdir",	NULL,			0,		1}, /* 12 */
+	{"time",	lx_time,		0,		1}, /* 13 */
+	{"mknod",	NULL,			0,		3}, /* 14 */
+	{"chmod",	lx_chmod,		0,		2}, /* 15 */
+	{"lchown16",	lx_lchown16,		0,		3}, /* 16 */
+	{"break",	NULL,			NOSYS_OBSOLETE,	0}, /* 17 */
+	{"stat",	NULL,			NOSYS_OBSOLETE,	0}, /* 18 */
+	{"lseek",	NULL,			0,		3}, /* 19 */
+	{"getpid",	lx_getpid,		0,		0}, /* 20 */
+	{"mount",	NULL,			0,		5}, /* 21 */
+	{"umount",	NULL,			0,		1}, /* 22 */
+	{"setuid16",	NULL,			0,		1}, /* 23 */
+	{"getuid16",	NULL,			0,		0}, /* 24 */
+	{"stime",	NULL,			0,		1}, /* 25 */
+	{"ptrace",	NULL,			0,		4}, /* 26 */
+	{"alarm",	NULL,			0,		1}, /* 27 */
+	{"fstat",	NULL,			NOSYS_OBSOLETE,	0}, /* 28 */
+	{"pause",	NULL,			0,		0}, /* 29 */
+	{"utime",	NULL,			0,		2}, /* 30 */
+	{"stty",	NULL,			NOSYS_OBSOLETE,	0}, /* 31 */
+	{"gtty",	NULL,			NOSYS_OBSOLETE,	0}, /* 32 */
+	{"access",	NULL,			0,		2}, /* 33 */
+	{"nice",	NULL,			0,		1}, /* 34 */
+	{"ftime",	NULL,			NOSYS_OBSOLETE,	0}, /* 35 */
+	{"sync",	NULL,			0, 		0}, /* 36 */
+	{"kill",	lx_kill,		0,		2}, /* 37 */
+	{"rename",	NULL,			0,		2}, /* 38 */
+	{"mkdir",	lx_mkdir,		0,		2}, /* 39 */
+	{"rmdir",	NULL,			0,		1}, /* 40 */
+	{"dup",		NULL,			0,		1}, /* 41 */
+	{"pipe",	lx_pipe,		0,		1}, /* 42 */
+	{"times",	NULL,			0,		1}, /* 43 */
+	{"prof",	NULL,			NOSYS_OBSOLETE,	0}, /* 44 */
+	{"brk",		lx_brk,			0,		1}, /* 45 */
+	{"setgid16",	NULL,			0,		1}, /* 46 */
+	{"getgid16",	NULL,			0,		0}, /* 47 */
+	{"signal",	NULL,			0,		2}, /* 48 */
+	{"geteuid16",	NULL,			0,		0}, /* 49 */
+	{"getegid16",	NULL,			0,		0}, /* 50 */
+	{"acct",	NULL,			NOSYS_NO_EQUIV,	0}, /* 51 */
+	{"umount2",	NULL,			0,		2}, /* 52 */
+	{"lock",	NULL,			NOSYS_OBSOLETE,	0}, /* 53 */
+	{"ioctl",	lx_ioctl,		0,		3}, /* 54 */
+	{"fcntl",	lx_fcntl,		0,		3}, /* 55 */
+	{"mpx",		NULL,			NOSYS_OBSOLETE,	0}, /* 56 */
+	{"setpgid",	NULL,			0,		2}, /* 57 */
+	{"ulimit",	NULL,			NOSYS_OBSOLETE,	0}, /* 58 */
+	{"olduname",	NULL,			NOSYS_OBSOLETE,	0}, /* 59 */
+	{"umask",	NULL,			0,		1}, /* 60 */
+	{"chroot",	NULL,			0,		1}, /* 61 */
+	{"ustat",	NULL,			NOSYS_OBSOLETE,	2}, /* 62 */
+	{"dup2",	NULL,			0,		2}, /* 63 */
+	{"getppid",	lx_getppid,		0,		0}, /* 64 */
+	{"getpgrp",	NULL,			0,		0}, /* 65 */
+	{"setsid",	NULL,			0,		0}, /* 66 */
+	{"sigaction",	NULL,			0,		3}, /* 67 */
+	{"sgetmask",	NULL,			NOSYS_OBSOLETE,	0}, /* 68 */
+	{"ssetmask",	NULL,			NOSYS_OBSOLETE,	0}, /* 69 */
+	{"setreuid16",	NULL,			0,		2}, /* 70 */
+	{"setregid16",	NULL,			0,		2}, /* 71 */
+	{"sigsuspend",	NULL,			0,		1}, /* 72 */
+	{"sigpending",	NULL,			0,		1}, /* 73 */
+	{"sethostname",	NULL,			0,		2}, /* 74 */
+	{"setrlimit",	lx_setrlimit,		0,		2}, /* 75 */
+	{"getrlimit",	lx_oldgetrlimit,	0,		2}, /* 76 */
+	{"getrusage",	NULL,			0,		2}, /* 77 */
+	{"gettimeofday", lx_gettimeofday,	0,		2}, /* 78 */
+	{"settimeofday", NULL, 			0,		2}, /* 79 */
+	{"getgroups16",	NULL,			0,		2}, /* 80 */
+	{"setgroups16",	NULL,			0,		2}, /* 81 */
+	{"select",	NULL,			NOSYS_OBSOLETE,	0}, /* 82 */
+	{"symlink",	NULL,			0,		2}, /* 83 */
+	{"oldlstat",	NULL,			NOSYS_OBSOLETE,	0}, /* 84 */
+	{"readlink",	NULL,			0,		3}, /* 85 */
+	{"uselib",	NULL,			NOSYS_KERNEL,	0}, /* 86 */
+	{"swapon",	NULL,			NOSYS_KERNEL,	0}, /* 87 */
+	{"reboot",	NULL,			0,		4}, /* 88 */
+	{"readdir",	NULL,			0,		3}, /* 89 */
+	{"mmap",	NULL,			0,		6}, /* 90 */
+	{"munmap",	NULL,			0,		2}, /* 91 */
+	{"truncate",	NULL,			0,		2}, /* 92 */
+	{"ftruncate",	NULL,			0,		2}, /* 93 */
+	{"fchmod",	lx_fchmod,		0,		2}, /* 94 */
+	{"fchown16",	lx_fchown16,		0,		3}, /* 95 */
+	{"getpriority",	NULL,			0,		2}, /* 96 */
+	{"setpriority",	NULL,			0,		3}, /* 97 */
+	{"profil",	NULL,			NOSYS_NO_EQUIV,	0}, /* 98 */
+	{"statfs",	NULL,			0,		2}, /* 99 */
+	{"fstatfs",	NULL,			0,		2}, /* 100 */
+	{"ioperm",	NULL,			NOSYS_NO_EQUIV,	0}, /* 101 */
+	{"socketcall",	NULL,			0,		2}, /* 102 */
+	{"syslog",	NULL,			0,		3}, /* 103 */
+	{"setitimer",	NULL,			0,		3}, /* 104 */
+	{"getitimer",	NULL,			0,		2}, /* 105 */
+	{"stat",	NULL,			0,		2}, /* 106 */
+	{"lstat",	NULL,			0,		2}, /* 107 */
+	{"fstat",	NULL,			0,		2}, /* 108 */
+	{"uname",	NULL,			NOSYS_OBSOLETE,	0}, /* 109 */
+	{"oldiopl",	NULL,			NOSYS_NO_EQUIV,	0}, /* 110 */
+	{"vhangup",	NULL,			0,		0}, /* 111 */
+	{"idle",	NULL,			NOSYS_NO_EQUIV,	0}, /* 112 */
+	{"vm86old",	NULL,			NOSYS_OBSOLETE,	0}, /* 113 */
+	{"wait4",	lx_wait4,		0,		4}, /* 114 */
+	{"swapoff",	NULL,			NOSYS_KERNEL,	0}, /* 115 */
+	{"sysinfo",	lx_sysinfo32,		0,		1}, /* 116 */
+	{"ipc",		NULL,			0,		5}, /* 117 */
+	{"fsync",	NULL,			0,		1}, /* 118 */
+	{"sigreturn",	NULL,			0,		1}, /* 119 */
+	{"clone",	NULL,			0,		5}, /* 120 */
+	{"setdomainname", NULL,			0,		2}, /* 121 */
+	{"uname",	NULL,			0,		1}, /* 122 */
+	{"modify_ldt",	lx_modify_ldt,		0,		3}, /* 123 */
+	{"adjtimex",	NULL,			0,		1}, /* 124 */
+	{"mprotect",	NULL,			0,		3}, /* 125 */
+	{"sigprocmask",	NULL,			0,		3}, /* 126 */
+	{"create_module", NULL,			NOSYS_KERNEL,	0}, /* 127 */
+	{"init_module",	NULL,			NOSYS_KERNEL,	0}, /* 128 */
+	{"delete_module", NULL,			NOSYS_KERNEL,	0}, /* 129 */
+	{"get_kernel_syms", NULL,		NOSYS_KERNEL,	0}, /* 130 */
+	{"quotactl",	NULL,			NOSYS_KERNEL,	0}, /* 131 */
+	{"getpgid",	NULL,			0,		1}, /* 132 */
+	{"fchdir",	NULL,			0,		1}, /* 133 */
+	{"bdflush",	NULL,			NOSYS_KERNEL,	0}, /* 134 */
+	{"sysfs",	NULL,			0,		3}, /* 135 */
+	{"personality",	NULL,			0,		1}, /* 136 */
+	{"afs_syscall",	NULL,			NOSYS_KERNEL,	0}, /* 137 */
+	{"setfsuid16",	NULL,			0,		1}, /* 138 */
+	{"setfsgid16",	NULL,			0,		1}, /* 139 */
+	{"llseek",	NULL,			0,		5}, /* 140 */
+	{"getdents",	NULL,			0,		3}, /* 141 */
+	{"select",	NULL,			0,		5}, /* 142 */
+	{"flock",	NULL,			0,		2}, /* 143 */
+	{"msync",	NULL,			0,		3}, /* 144 */
+	{"readv",	NULL,			0,		3}, /* 145 */
+	{"writev",	NULL,			0,		3}, /* 146 */
+	{"getsid",	NULL,			0,		1}, /* 147 */
+	{"fdatasync",	NULL,			0,		1}, /* 148 */
+	{"sysctl",	NULL,			0,		1}, /* 149 */
+	{"mlock",	NULL,			0,		2}, /* 150 */
+	{"munlock",	NULL,			0,		2}, /* 151 */
+	{"mlockall",	NULL,			0,		1}, /* 152 */
+	{"munlockall",	NULL,			0,		0}, /* 153 */
+	{"sched_setparam", NULL,		0,		2}, /* 154 */
+	{"sched_getparam", NULL,		0,		2}, /* 155 */
+	{"sched_setscheduler", NULL,		0,		3}, /* 156 */
+	{"sched_getscheduler", NULL,		0,		1}, /* 157 */
+	{"sched_yield",	lx_sched_yield,		0,		0}, /* 158 */
+	{"sched_get_priority_max", NULL, 	0,		1}, /* 159 */
+	{"sched_get_priority_min", NULL, 	0,		1}, /* 160 */
+	{"sched_rr_get_interval", NULL, 	0,		2}, /* 161 */
+	{"nanosleep",	NULL,			0,		2}, /* 162 */
+	{"mremap",	NULL,			0,		5}, /* 163 */
+	{"setresuid16",	lx_setresuid16,		0,		3}, /* 164 */
+	{"getresuid16",	NULL,			0,		3}, /* 165 */
+	{"vm86",	NULL,			NOSYS_NO_EQUIV,	0}, /* 166 */
+	{"query_module", NULL,			0,		5}, /* 167 */
+	{"poll",	NULL,			0,		3}, /* 168 */
+	{"nfsservctl",	NULL,			NOSYS_KERNEL,	0}, /* 169 */
+	{"setresgid16",	lx_setresgid16,		0,		3}, /* 170 */
+	{"getresgid16",	NULL,			0,		3}, /* 171 */
+	{"prctl",	NULL,			0,		5}, /* 172 */
+	{"rt_sigreturn", NULL,			0,		0}, /* 173 */
+	{"rt_sigaction", NULL,			0,		4}, /* 174 */
+	{"rt_sigprocmask", NULL,		0,		4}, /* 175 */
+	{"rt_sigpending", NULL,			0,		2}, /* 176 */
+	{"rt_sigtimedwait", NULL,		0,		4}, /* 177 */
+	{"rt_sigqueueinfo", NULL,		0,		3}, /* 178 */
+	{"rt_sigsuspend", NULL,			0,		2}, /* 179 */
+	{"pread64",	NULL,			0,		5}, /* 180 */
+	{"pwrite64",	NULL,			0,		5}, /* 181 */
+	{"chown16",	lx_chown16,		0,		3}, /* 182 */
+	{"getcwd",	NULL,			0,		2}, /* 183 */
+	{"capget",	NULL,			0,		2}, /* 184 */
+	{"capset",	NULL,			0,		2}, /* 185 */
+	{"sigaltstack",	NULL,			0,		2}, /* 186 */
+	{"sendfile",	NULL,			0,		4}, /* 187 */
+	{"getpmsg",	NULL,			NOSYS_OBSOLETE,	0}, /* 188 */
+	{"putpmsg",	NULL,			NOSYS_OBSOLETE,	0}, /* 189 */
+	{"vfork",	NULL,			0,		0}, /* 190 */
+	{"getrlimit",	lx_getrlimit,		0,		2}, /* 191 */
+	{"mmap2",	NULL,			LX_SYS_EBPARG6,	6}, /* 192 */
+	{"truncate64",	NULL,			0,		3}, /* 193 */
+	{"ftruncate64",	NULL,			0,		3}, /* 194 */
+	{"stat64",	NULL,			0,		2}, /* 195 */
+	{"lstat64",	NULL,			0,		2}, /* 196 */
+	{"fstat64",	NULL,			0,		2}, /* 197 */
+	{"lchown",	lx_lchown,		0,		3}, /* 198 */
+	{"getuid",	NULL,			0,		0}, /* 199 */
+	{"getgid",	NULL,			0,		0}, /* 200 */
+	{"geteuid",	NULL,			0,		0}, /* 201 */
+	{"getegid",	NULL,			0,		0}, /* 202 */
+	{"setreuid",	NULL,			0,		0}, /* 203 */
+	{"setregid",	NULL,			0,		0}, /* 204 */
+	{"getgroups",	NULL,			0,		2}, /* 205 */
+	{"setgroups",	NULL,			0,		2}, /* 206 */
+	{"fchown",	lx_fchown,		0,		3}, /* 207 */
+	{"setresuid",	lx_setresuid,		0,		3}, /* 208 */
+	{"getresuid",	NULL,			0,		3}, /* 209 */
+	{"setresgid",	lx_setresgid,		0,		3}, /* 210 */
+	{"getresgid",	NULL,			0,		3}, /* 211 */
+	{"chown",	lx_chown,		0,		3}, /* 212 */
+	{"setuid",	NULL,			0,		1}, /* 213 */
+	{"setgid",	NULL,			0,		1}, /* 214 */
+	{"setfsuid",	NULL,			0,		1}, /* 215 */
+	{"setfsgid",	NULL,			0,		1}, /* 216 */
+	{"pivot_root",	NULL,			NOSYS_KERNEL,	0}, /* 217 */
+	{"mincore",	NULL,			0,		3}, /* 218 */
+	{"madvise",	NULL,			0,		3}, /* 219 */
+	{"getdents64",	NULL,			0,		3}, /* 220 */
+	{"fcntl64",	lx_fcntl64,		0,		3}, /* 221 */
+	{"tux",		NULL,			NOSYS_NO_EQUIV,	0}, /* 222 */
+	{"security",	NULL,			NOSYS_NO_EQUIV,	0}, /* 223 */
+	{"gettid",	lx_gettid,		0,		0}, /* 224 */
+	{"readahead",	NULL,			NOSYS_NO_EQUIV,	0}, /* 225 */
+	{"setxattr",	lx_xattr,		0,		5}, /* 226 */
+	{"lsetxattr",	lx_xattr,		0,		5}, /* 227 */
+	{"fsetxattr",	lx_xattr,		0,		5}, /* 228 */
+	{"getxattr",	lx_xattr,		0,		4}, /* 229 */
+	{"lgetxattr",	lx_xattr,		0,		4}, /* 230 */
+	{"fgetxattr",	lx_xattr,		0,		4}, /* 231 */
+	{"listxattr",	lx_xattr,		0,		3}, /* 232 */
+	{"llistxattr",	lx_xattr,		0,		3}, /* 233 */
+	{"flistxattr",	lx_xattr,		0,		3}, /* 234 */
+	{"removexattr",	lx_xattr,		0,		2}, /* 235 */
+	{"lremovexattr", lx_xattr,		0,		2}, /* 236 */
+	{"fremovexattr", lx_xattr,		0,		2}, /* 237 */
+	{"tkill",	lx_tkill,		0,		2}, /* 238 */
+	{"sendfile64",	NULL,			0,		4}, /* 239 */
+	{"futex",	lx_futex,		LX_SYS_EBPARG6,	6}, /* 240 */
+	{"sched_setaffinity", NULL, 		0,		3}, /* 241 */
+	{"sched_getaffinity", NULL, 		0,		3}, /* 242 */
+	{"set_thread_area", lx_set_thread_area,	0,		1}, /* 243 */
+	{"get_thread_area", lx_get_thread_area,	0,		1}, /* 244 */
+	{"io_setup",	NULL,			0,		2}, /* 245 */
+	{"io_destroy",	NULL,			0,		1}, /* 246 */
+	{"io_getevents", NULL,			0,		5}, /* 247 */
+	{"io_submit",	NULL,			0,		3}, /* 248 */
+	{"io_cancel",	NULL,			0,		3}, /* 249 */
+	{"fadvise64",	NULL,			0,		4}, /* 250 */
+	{"nosys",	NULL,			0,		0}, /* 251 */
+	{"group_exit",	NULL,			0,		1}, /* 252 */
+	{"lookup_dcookie", NULL,		NOSYS_NO_EQUIV,	0}, /* 253 */
+	{"epoll_create", NULL,			0,		1}, /* 254 */
+	{"epoll_ctl",	NULL,			0,		4}, /* 255 */
+	{"epoll_wait",	NULL,			0,		4}, /* 256 */
+	{"remap_file_pages", NULL,		NOSYS_NO_EQUIV,	0}, /* 257 */
+	{"set_tid_address", lx_set_tid_address,	0,		1}, /* 258 */
+	{"timer_create", NULL,			0,		3}, /* 259 */
+	{"timer_settime", NULL,			0,		4}, /* 260 */
+	{"timer_gettime", NULL,			0,		2}, /* 261 */
+	{"timer_getoverrun", NULL,		0,		1}, /* 262 */
+	{"timer_delete", NULL,			0,		1}, /* 263 */
+	{"clock_settime", lx_clock_settime,	0,		2}, /* 264 */
+	{"clock_gettime", lx_clock_gettime,	0,		2}, /* 265 */
+	{"clock_getres", lx_clock_getres,	0,		2}, /* 266 */
+	{"clock_nanosleep", NULL,		0,		4}, /* 267 */
+	{"statfs64",	NULL,			0,		2}, /* 268 */
+	{"fstatfs64",	NULL,			0,		2}, /* 269 */
+	{"tgkill",	lx_tgkill,		0,		3}, /* 270 */
+
+/*
+ * The following system calls only exist in kernel 2.6 and greater:
+ */
+	{"utimes",	NULL,			0,		2}, /* 271 */
+	{"fadvise64_64", NULL, 			0,		4}, /* 272 */
+	{"vserver",	NULL,			NOSYS_NULL,	0}, /* 273 */
+	{"mbind",	NULL,			NOSYS_NULL,	0}, /* 274 */
+	{"get_mempolicy", NULL,			NOSYS_NULL,	0}, /* 275 */
+	{"set_mempolicy", NULL,			NOSYS_NULL,	0}, /* 276 */
+	{"mq_open",	NULL,			NOSYS_NULL,	0}, /* 277 */
+	{"mq_unlink",	NULL,			NOSYS_NULL,	0}, /* 278 */
+	{"mq_timedsend", NULL,			NOSYS_NULL,	0}, /* 279 */
+	{"mq_timedreceive", NULL,		NOSYS_NULL,	0}, /* 280 */
+	{"mq_notify",	NULL,			NOSYS_NULL,	0}, /* 281 */
+	{"mq_getsetattr", NULL,			NOSYS_NULL,	0}, /* 282 */
+	{"kexec_load",	NULL,			NOSYS_NULL,	0}, /* 283 */
+	{"waitid",	lx_waitid,		0,		4}, /* 284 */
+	{"sys_setaltroot", NULL,		NOSYS_NULL,	0}, /* 285 */
+	{"add_key",	NULL,			NOSYS_NULL,	0}, /* 286 */
+	{"request_key",	NULL,			NOSYS_NULL,	0}, /* 287 */
+	{"keyctl",	NULL,			NOSYS_NULL,	0}, /* 288 */
+	{"ioprio_set",	NULL,			NOSYS_NULL,	0}, /* 289 */
+	{"ioprio_get",	NULL,			NOSYS_NULL,	0}, /* 290 */
+	{"inotify_init", NULL,			0,		0}, /* 291 */
+	{"inotify_add_watch", NULL,		0,		3}, /* 292 */
+	{"inotify_rm_watch", NULL,		0,		2}, /* 293 */
+	{"migrate_pages", NULL,			NOSYS_NULL,	0}, /* 294 */
+	{"openat",	lx_openat,		0,		4}, /* 295 */
+	{"mkdirat",	lx_mkdirat,		0,		3}, /* 296 */
+	{"mknodat",	NULL,			0,		4}, /* 297 */
+	{"fchownat",	lx_fchownat,		0,		5}, /* 298 */
+	{"futimesat",	NULL,			0,		3}, /* 299 */
+	{"fstatat64",	NULL,			0,		4}, /* 300 */
+	{"unlinkat",	NULL,			0,		3}, /* 301 */
+	{"renameat",	NULL,			0,		4}, /* 302 */
+	{"linkat",	NULL,			0,		5}, /* 303 */
+	{"symlinkat",	NULL,			0,		3}, /* 304 */
+	{"readlinkat",	NULL,			0,		4}, /* 305 */
+	{"fchmodat",	lx_fchmodat,		0,		3}, /* 306 */
+	{"faccessat",	NULL,			0,		4}, /* 307 */
+	{"pselect6",	NULL,			LX_SYS_EBPARG6,	6}, /* 308 */
+	{"ppoll",	NULL,			0,		5}, /* 309 */
+	{"unshare",	NULL,			NOSYS_NULL,	0}, /* 310 */
+	{"set_robust_list", lx_set_robust_list,	0,		2}, /* 311 */
+	{"get_robust_list", lx_get_robust_list,	0,		3}, /* 312 */
+	{"splice",	NULL,			NOSYS_NULL,	0}, /* 313 */
+	{"sync_file_range", NULL,		NOSYS_NULL,	0}, /* 314 */
+	{"tee",		NULL,			NOSYS_NULL,	0}, /* 315 */
+	{"vmsplice",	NULL,			NOSYS_NULL,	0}, /* 316 */
+	{"move_pages",	NULL,			NOSYS_NULL,	0}, /* 317 */
+	{"getcpu",	lx_getcpu,		0,		3}, /* 318 */
+	{"epoll_pwait",	NULL,			0,		5}, /* 319 */
+	{"utimensat",	NULL,			0,		4}, /* 320 */
+	{"signalfd",	NULL,			NOSYS_NULL,	0}, /* 321 */
+	{"timerfd_create", NULL,		0,		2}, /* 322 */
+	{"eventfd",	NULL,			0,		1}, /* 323 */
+	{"fallocate",	NULL,			NOSYS_NULL,	0}, /* 324 */
+	{"timerfd_settime", NULL,		0,		4}, /* 325 */
+	{"timerfd_gettime", NULL,		0,		2}, /* 326 */
+	{"signalfd4",	NULL,			NOSYS_NULL,	0}, /* 327 */
+	{"eventfd2",	NULL,			0,		2}, /* 328 */
+	{"epoll_create1", NULL,			0,		1}, /* 329 */
+	{"dup3",	NULL,			0,		3}, /* 330 */
+	{"pipe2",	lx_pipe2,		0,		2}, /* 331 */
+	{"inotify_init1", NULL,			0,		1}, /* 332 */
+	{"preadv",	NULL,			0,		4}, /* 333 */
+	{"pwritev",	NULL,			0,		4}, /* 334 */
+	{"rt_tgsigqueueinfo", NULL,		0,		4}, /* 335 */
+	{"perf_event_open", NULL,		NOSYS_NULL,	0}, /* 336 */
+	{"recvmmsg",	NULL,			NOSYS_NULL,	0}, /* 337 */
+	{"fanotify_init", NULL,			NOSYS_NULL,	0}, /* 338 */
+	{"fanotify_mark", NULL,			NOSYS_NULL,	0}, /* 339 */
+	{"prlimit64",	lx_prlimit64,		0,		4}, /* 340 */
+	{"name_to_handle_at", NULL,		NOSYS_NULL,	0}, /* 341 */
+	{"open_by_handle_at", NULL,		NOSYS_NULL,	0}, /* 342 */
+	{"clock_adjtime", NULL,			NOSYS_NULL,	0}, /* 343 */
+	{"syncfs",	NULL,			NOSYS_NULL,	0}, /* 344 */
+	{"sendmmsg",	NULL,			NOSYS_NULL,	0}, /* 345 */
+	{"setns",	NULL,			NOSYS_NULL,	0}, /* 346 */
+	{"process_vm_readv", NULL,		NOSYS_NULL,	0}, /* 347 */
+	{"process_vm_writev", NULL,		NOSYS_NULL,	0}, /* 348 */
+	{"kcmp",	NULL,			NOSYS_NULL,	0}, /* 349 */
+	{"finit_module", NULL,			NOSYS_NULL,	0}, /* 350 */
+	{"sched_setattr", NULL,			NOSYS_NULL,	0}, /* 351 */
+	{"sched_getattr", NULL,			NOSYS_NULL,	0}, /* 352 */
+	{"renameat2",	NULL,			NOSYS_NULL,	0}, /* 353 */
+	{"seccomp",	NULL,			NOSYS_NULL,	0}, /* 354 */
+	{"getrandom",	lx_getrandom,		0,		3}, /* 355 */
+	{"memfd_create", NULL,			NOSYS_NULL,	0}, /* 356 */
+	{"bpf",		NULL,			NOSYS_NULL,	0}, /* 357 */
+	{"execveat",	NULL,			NOSYS_NULL,	0}, /* 358 */
+};
+
+#if defined(_LP64)
+/*
+ * Linux defines system call numbers for 64-bit x86 in the file:
+ *   arch/x86/syscalls/syscall_64.tbl
+ */
+lx_sysent_t lx_sysent64[] = {
+	{"read",	lx_read,		0,		3}, /* 0 */
+	{"write",	lx_write,		0,		3}, /* 1 */
+	{"open",	lx_open,		0,		3}, /* 2 */
+	{"close",	NULL,			0,		1}, /* 3 */
+	{"stat",	NULL,			0,		2}, /* 4 */
+	{"fstat",	NULL,			0,		2}, /* 5 */
+	{"lstat",	NULL,			0,		2}, /* 6 */
+	{"poll",	NULL,			0,		3}, /* 7 */
+	{"lseek",	NULL,			0,		3}, /* 8 */
+	{"mmap",	NULL,			0,		6}, /* 9 */
+	{"mprotect",	NULL,			0,		3}, /* 10 */
+	{"munmap",	NULL,			0,		2}, /* 11 */
+	{"brk",		lx_brk,			0,		1}, /* 12 */
+	{"rt_sigaction", NULL,			0,		4}, /* 13 */
+	{"rt_sigprocmask", NULL,		0,		4}, /* 14 */
+	{"rt_sigreturn", NULL,			0,		0}, /* 15 */
+	{"ioctl",	lx_ioctl,		0,		3}, /* 16 */
+	{"pread64",	NULL,			0,		4}, /* 17 */
+	{"pwrite64",	NULL,			0,		4}, /* 18 */
+	{"readv",	NULL,			0,		3}, /* 19 */
+	{"writev",	NULL,			0,		3}, /* 20 */
+	{"access",	NULL,			0,		2}, /* 21 */
+	{"pipe",	lx_pipe,		0,		1}, /* 22 */
+	{"select",	NULL,			0,		5}, /* 23 */
+	{"sched_yield",	lx_sched_yield,		0,		0}, /* 24 */
+	{"mremap",	NULL,			0,		5}, /* 25 */
+	{"msync",	NULL,			0,		3}, /* 26 */
+	{"mincore",	NULL,			0,		3}, /* 27 */
+	{"madvise",	NULL,			0,		3}, /* 28 */
+	{"shmget",	NULL,			0,		3}, /* 29 */
+	{"shmat",	NULL,			0,		4}, /* 30 */
+	{"shmctl",	NULL,			0,		3}, /* 31 */
+	{"dup",		NULL,			0,		1}, /* 32 */
+	{"dup2",	NULL,			0,		2}, /* 33 */
+	{"pause",	NULL,			0,		0}, /* 34 */
+	{"nanosleep",	NULL,			0,		2}, /* 35 */
+	{"getitimer",	NULL,			0,		2}, /* 36 */
+	{"alarm",	NULL,			0,		1}, /* 37 */
+	{"setitimer",	NULL,			0,		3}, /* 38 */
+	{"getpid",	lx_getpid,		0,		0}, /* 39 */
+	{"sendfile",	NULL,			0,		4}, /* 40 */
+	{"socket",	NULL,			0,		3}, /* 41 */
+	{"connect",	NULL,			0,		3}, /* 42 */
+	{"accept",	NULL,			0,		3}, /* 43 */
+	{"sendto",	NULL,			0,		6}, /* 44 */
+	{"recvfrom",	NULL,			0,		6}, /* 45 */
+	{"sendmsg",	NULL,			0,		3}, /* 46 */
+	{"recvmsg",	NULL,			0,		3}, /* 47 */
+	{"shutdown",	NULL,			0,		2}, /* 48 */
+	{"bind",	NULL,			0,		3}, /* 49 */
+	{"listen",	NULL,			0,		2}, /* 50 */
+	{"getsockname",	NULL,			0,		3}, /* 51 */
+	{"getpeername",	NULL,			0,		3}, /* 52 */
+	{"socketpair",	NULL,			0,		4}, /* 53 */
+	{"setsockopt",	NULL,			0,		5}, /* 54 */
+	{"getsockopt",	NULL,			0,		5}, /* 55 */
+	{"clone",	NULL,			0,		5}, /* 56 */
+	{"fork",	NULL,			0,		0}, /* 57 */
+	{"vfork",	NULL,			0,		0}, /* 58 */
+	{"execve",	NULL,			0,		3}, /* 59 */
+	{"exit",	NULL,			0,		1}, /* 60 */
+	{"wait4",	lx_wait4,		0,		4}, /* 61 */
+	{"kill",	lx_kill,		0,		2}, /* 62 */
+	{"uname",	NULL,			0,		1}, /* 63 */
+	{"semget",	NULL,			0,		3}, /* 64 */
+	{"semop",	NULL,			0,		3}, /* 65 */
+	{"semctl",	NULL,			0,		4}, /* 66 */
+	{"shmdt",	NULL,			0,		1}, /* 67 */
+	{"msgget",	NULL,			0,		2}, /* 68 */
+	{"msgsnd",	NULL,			0,		4}, /* 69 */
+	{"msgrcv",	NULL,			0,		5}, /* 70 */
+	{"msgctl",	NULL,			0,		3}, /* 71 */
+	{"fcntl",	lx_fcntl64,		0,		3}, /* 72 */
+	{"flock",	NULL,			0,		2}, /* 73 */
+	{"fsync",	NULL,			0,		1}, /* 74 */
+	{"fdatasync",	NULL,			0,		1}, /* 75 */
+	{"truncate",	NULL,			0,		2}, /* 76 */
+	{"ftruncate",	NULL,			0,		2}, /* 77 */
+	{"getdents",	NULL,			0,		3}, /* 78 */
+	{"getcwd",	NULL,			0,		2}, /* 79 */
+	{"chdir",	NULL,			0,		1}, /* 80 */
+	{"fchdir",	NULL,			0,		1}, /* 81 */
+	{"rename",	NULL,			0,		2}, /* 82 */
+	{"mkdir",	lx_mkdir,		0,		2}, /* 83 */
+	{"rmdir",	NULL,			0,		1}, /* 84 */
+	{"creat",	NULL,			0,		2}, /* 85 */
+	{"link",	NULL,			0,		2}, /* 86 */
+	{"unlink",	NULL,			0,		1}, /* 87 */
+	{"symlink",	NULL,			0,		2}, /* 88 */
+	{"readlink",	NULL,			0,		3}, /* 89 */
+	{"chmod",	lx_chmod,		0,		2}, /* 90 */
+	{"fchmod",	lx_fchmod,		0,		2}, /* 91 */
+	{"chown",	lx_chown,		0,		3}, /* 92 */
+	{"fchown",	lx_fchown,		0,		3}, /* 93 */
+	{"lchown",	lx_lchown,		0,		3}, /* 94 */
+	{"umask",	NULL,			0,		1}, /* 95 */
+	{"gettimeofday", lx_gettimeofday,	0,		2}, /* 96 */
+	{"getrlimit",	lx_getrlimit,		0,		2}, /* 97 */
+	{"getrusage",	NULL,			0,		2}, /* 98 */
+	{"sysinfo",	lx_sysinfo64,		0,		1}, /* 99 */
+	{"times",	NULL,			0,		1}, /* 100 */
+	{"ptrace",	NULL,			0,		4}, /* 101 */
+	{"getuid",	NULL,			0,		0}, /* 102 */
+	{"syslog",	NULL,			0,		3}, /* 103 */
+	{"getgid",	NULL,			0,		0}, /* 104 */
+	{"setuid",	NULL,			0,		1}, /* 105 */
+	{"setgid",	NULL,			0,		1}, /* 106 */
+	{"geteuid",	NULL,			0,		0}, /* 107 */
+	{"getegid",	NULL,			0,		0}, /* 108 */
+	{"setpgid",	NULL,			0,		2}, /* 109 */
+	{"getppid",	lx_getppid,		0,		0}, /* 110 */
+	{"getpgrp",	NULL,			0,		0}, /* 111 */
+	{"setsid",	NULL,			0,		0}, /* 112 */
+	{"setreuid",	NULL,			0,		0}, /* 113 */
+	{"setregid",	NULL,			0,		0}, /* 114 */
+	{"getgroups",	NULL,			0,		2}, /* 115 */
+	{"setgroups",	NULL,			0,		2}, /* 116 */
+	{"setresuid",	lx_setresuid,		0,		3}, /* 117 */
+	{"getresuid",	NULL,			0,		3}, /* 118 */
+	{"setresgid",	lx_setresgid,		0,		3}, /* 119 */
+	{"getresgid",	NULL,			0,		3}, /* 120 */
+	{"getpgid",	NULL,			0,		1}, /* 121 */
+	{"setfsuid",	NULL,			0,		1}, /* 122 */
+	{"setfsgid",	NULL,			0,		1}, /* 123 */
+	{"getsid",	NULL,			0,		1}, /* 124 */
+	{"capget",	NULL,			0,		2}, /* 125 */
+	{"capset",	NULL,			0,		2}, /* 126 */
+	{"rt_sigpending", NULL,			0,		2}, /* 127 */
+	{"rt_sigtimedwait", NULL,		0,		4}, /* 128 */
+	{"rt_sigqueueinfo", NULL,		0,		3}, /* 129 */
+	{"rt_sigsuspend", NULL,			0,		2}, /* 130 */
+	{"sigaltstack",	NULL,			0,		2}, /* 131 */
+	{"utime",	NULL,			0,		2}, /* 132 */
+	{"mknod",	NULL,			0,		3}, /* 133 */
+	{"uselib",	NULL,			NOSYS_KERNEL,	0}, /* 134 */
+	{"personality",	NULL,			0,		1}, /* 135 */
+	{"ustat",	NULL,			NOSYS_OBSOLETE,	2}, /* 136 */
+	{"statfs",	NULL,			0,		2}, /* 137 */
+	{"fstatfs",	NULL,			0,		2}, /* 138 */
+	{"sysfs",	NULL,			0,		3}, /* 139 */
+	{"getpriority",	NULL,			0,		2}, /* 140 */
+	{"setpriority",	NULL,			0,		3}, /* 141 */
+	{"sched_setparam", NULL,		0,		2}, /* 142 */
+	{"sched_getparam", NULL,		0,		2}, /* 143 */
+	{"sched_setscheduler", NULL,		0,		3}, /* 144 */
+	{"sched_getscheduler", NULL,		0,		1}, /* 145 */
+	{"sched_get_priority_max", NULL,	0,		1}, /* 146 */
+	{"sched_get_priority_min", NULL,	0,		1}, /* 147 */
+	{"sched_rr_get_interval", NULL,		0,		2}, /* 148 */
+	{"mlock",	NULL,			0,		2}, /* 149 */
+	{"munlock",	NULL,			0,		2}, /* 150 */
+	{"mlockall",	NULL,			0,		1}, /* 151 */
+	{"munlockall",	NULL,			0,		0}, /* 152 */
+	{"vhangup",	NULL,			0,		0}, /* 153 */
+	{"modify_ldt",	lx_modify_ldt,		0,		3}, /* 154 */
+	{"pivot_root",	NULL,			NOSYS_KERNEL,	0}, /* 155 */
+	{"sysctl",	NULL,			0,		1}, /* 156 */
+	{"prctl",	NULL,			0,		5}, /* 157 */
+	{"arch_prctl",	lx_arch_prctl,		0,		2}, /* 158 */
+	{"adjtimex",	NULL,			0,		1}, /* 159 */
+	{"setrlimit",	lx_setrlimit,		0,		2}, /* 160 */
+	{"chroot",	NULL,			0,		1}, /* 161 */
+	{"sync",	NULL,			0,		0}, /* 162 */
+	{"acct",	NULL,			NOSYS_NO_EQUIV,	0}, /* 163 */
+	{"settimeofday", NULL,			0,		2}, /* 164 */
+	{"mount",	NULL,			0,		5}, /* 165 */
+	{"umount2",	NULL,			0,		2}, /* 166 */
+	{"swapon",	NULL,			NOSYS_KERNEL,	0}, /* 167 */
+	{"swapoff",	NULL,			NOSYS_KERNEL,	0}, /* 168 */
+	{"reboot",	NULL,			0,		4}, /* 169 */
+	{"sethostname",	NULL,			0,		2}, /* 170 */
+	{"setdomainname", NULL,			0,		2}, /* 171 */
+	{"iopl",	NULL,			NOSYS_NO_EQUIV,	0}, /* 172 */
+	{"ioperm",	NULL,			NOSYS_NO_EQUIV,	0}, /* 173 */
+	{"create_module", NULL,			NOSYS_KERNEL,	0}, /* 174 */
+	{"init_module",	NULL,			NOSYS_KERNEL,	0}, /* 175 */
+	{"delete_module", NULL,			NOSYS_KERNEL,	0}, /* 176 */
+	{"get_kernel_syms", NULL,		NOSYS_KERNEL,	0}, /* 177 */
+	{"query_module", NULL,			0,		5}, /* 178 */
+	{"quotactl",	NULL,			NOSYS_KERNEL,	0}, /* 179 */
+	{"nfsservctl",	NULL,			NOSYS_KERNEL,	0}, /* 180 */
+	{"getpmsg",	NULL,			NOSYS_OBSOLETE,	0}, /* 181 */
+	{"putpmsg",	NULL,			NOSYS_OBSOLETE,	0}, /* 182 */
+	{"afs_syscall",	NULL,			NOSYS_KERNEL,	0}, /* 183 */
+	{"tux",		NULL,			NOSYS_NO_EQUIV,	0}, /* 184 */
+	{"security",	NULL,			NOSYS_NO_EQUIV,	0}, /* 185 */
+	{"gettid",	lx_gettid,		0,		0}, /* 186 */
+	{"readahead",	NULL,			NOSYS_NO_EQUIV,	0}, /* 187 */
+	{"setxattr",	lx_xattr,		0,		5}, /* 188 */
+	{"lsetxattr",	lx_xattr,		0,		5}, /* 189 */
+	{"fsetxattr",	lx_xattr,		0,		5}, /* 190 */
+	{"getxattr",	lx_xattr,		0,		4}, /* 191 */
+	{"lgetxattr",	lx_xattr,		0,		4}, /* 192 */
+	{"fgetxattr",	lx_xattr,		0,		4}, /* 193 */
+	{"listxattr",	lx_xattr,		0,		3}, /* 194 */
+	{"llistxattr",	lx_xattr,		0,		3}, /* 195 */
+	{"flistxattr",	lx_xattr,		0,		3}, /* 196 */
+	{"removexattr",	lx_xattr,		0,		2}, /* 197 */
+	{"lremovexattr", lx_xattr,		0,		2}, /* 198 */
+	{"fremovexattr", lx_xattr,		0,		2}, /* 199 */
+	{"tkill",	lx_tkill,		0,		2}, /* 200 */
+	{"time",	lx_time,		0,		1}, /* 201 */
+	{"futex",	lx_futex,		0,		6}, /* 202 */
+	{"sched_setaffinity", NULL,		0,		3}, /* 203 */
+	{"sched_getaffinity", NULL,		0,		3}, /* 204 */
+	{"set_thread_area", lx_set_thread_area, 0,		1}, /* 205 */
+	{"io_setup",	NULL,			0,		2}, /* 206 */
+	{"io_destroy",	NULL,			0,		1}, /* 207 */
+	{"io_getevents", NULL,			0,		5}, /* 208 */
+	{"io_submit",	NULL,			0,		3}, /* 209 */
+	{"io_cancel",	NULL,			0,		3}, /* 210 */
+	{"get_thread_area", lx_get_thread_area,	0,		1}, /* 211 */
+	{"lookup_dcookie", NULL,		NOSYS_NO_EQUIV,	0}, /* 212 */
+	{"epoll_create", NULL,			0,		1}, /* 213 */
+	{"epoll_ctl_old", NULL,			NOSYS_NULL,	0}, /* 214 */
+	{"epoll_wait_old", NULL,		NOSYS_NULL,	0}, /* 215 */
+	{"remap_file_pages", NULL,		NOSYS_NO_EQUIV,	0}, /* 216 */
+	{"getdents64",	NULL,			0,		3}, /* 217 */
+	{"set_tid_address", lx_set_tid_address, 0,		1}, /* 218 */
+	{"restart_syscall", NULL,		NOSYS_NULL,	0}, /* 219 */
+	{"semtimedop",	NULL,			0,		4}, /* 220 */
+	{"fadvise64",	NULL,			0,		4}, /* 221 */
+	{"timer_create", NULL,			0,		3}, /* 222 */
+	{"timer_settime", NULL,			0,		4}, /* 223 */
+	{"timer_gettime", NULL,			0,		2}, /* 224 */
+	{"timer_getoverrun", NULL,		0,		1}, /* 225 */
+	{"timer_delete", NULL,			0,		1}, /* 226 */
+	{"clock_settime", lx_clock_settime,	0,		2}, /* 227 */
+	{"clock_gettime", lx_clock_gettime,	0,		2}, /* 228 */
+	{"clock_getres", lx_clock_getres,	0,		2}, /* 229 */
+	{"clock_nanosleep", NULL,		0,		4}, /* 230 */
+	{"exit_group",	NULL,			0,		1}, /* 231 */
+	{"epoll_wait",	NULL,			0,		4}, /* 232 */
+	{"epoll_ctl",	NULL,			0,		4}, /* 233 */
+	{"tgkill",	lx_tgkill,		0,		3}, /* 234 */
+	{"utimes",	NULL,			0,		2}, /* 235 */
+	{"vserver",	NULL,			NOSYS_NULL,	0}, /* 236 */
+	{"mbind",	NULL,			NOSYS_NULL,	0}, /* 237 */
+	{"set_mempolicy", NULL,			NOSYS_NULL,	0}, /* 238 */
+	{"get_mempolicy", NULL,			NOSYS_NULL,	0}, /* 239 */
+	{"mq_open",	NULL,			NOSYS_NULL,	0}, /* 240 */
+	{"mq_unlink",	NULL,			NOSYS_NULL,	0}, /* 241 */
+	{"mq_timedsend", NULL,			NOSYS_NULL,	0}, /* 242 */
+	{"mq_timedreceive", NULL,		NOSYS_NULL,	0}, /* 243 */
+	{"mq_notify",	NULL,			NOSYS_NULL,	0}, /* 244 */
+	{"mq_getsetattr", NULL,			NOSYS_NULL,	0}, /* 245 */
+	{"kexec_load",	NULL,			NOSYS_NULL,	0}, /* 246 */
+	{"waitid",	lx_waitid,		0,		4}, /* 247 */
+	{"add_key",	NULL,			NOSYS_NULL,	0}, /* 248 */
+	{"request_key",	NULL,			NOSYS_NULL,	0}, /* 249 */
+	{"keyctl",	NULL,			NOSYS_NULL,	0}, /* 250 */
+	{"ioprio_set",	NULL,			NOSYS_NULL,	0}, /* 251 */
+	{"ioprio_get",	NULL,			NOSYS_NULL,	0}, /* 252 */
+	{"inotify_init", NULL,			0,		0}, /* 253 */
+	{"inotify_add_watch", NULL,		0,		3}, /* 254 */
+	{"inotify_rm_watch", NULL,		0,		2}, /* 255 */
+	{"migrate_pages", NULL,			NOSYS_NULL,	0}, /* 256 */
+	{"openat",	lx_openat,		0,		4}, /* 257 */
+	{"mkdirat",	lx_mkdirat,		0,		3}, /* 258 */
+	{"mknodat",	NULL,			0,		4}, /* 259 */
+	{"fchownat",	lx_fchownat,		0,		5}, /* 260 */
+	{"futimesat",	NULL,			0,		3}, /* 261 */
+	{"fstatat64",	NULL,			0,		4}, /* 262 */
+	{"unlinkat",	NULL,			0,		3}, /* 263 */
+	{"renameat",	NULL,			0,		4}, /* 264 */
+	{"linkat",	NULL,			0,		5}, /* 265 */
+	{"symlinkat",	NULL,			0,		3}, /* 266 */
+	{"readlinkat",	NULL,			0,		4}, /* 267 */
+	{"fchmodat",	lx_fchmodat,		0,		3}, /* 268 */
+	{"faccessat",	NULL,			0,		4}, /* 269 */
+	{"pselect6",	NULL,			0,		6}, /* 270 */
+	{"ppoll",	NULL,			0,		5}, /* 271 */
+	{"unshare",	NULL,			NOSYS_NULL,	0}, /* 272 */
+	{"set_robust_list", lx_set_robust_list,	0,		2}, /* 273 */
+	{"get_robust_list", lx_get_robust_list,	0,		3}, /* 274 */
+	{"splice",	NULL,			NOSYS_NULL,	0}, /* 275 */
+	{"tee",		NULL,			NOSYS_NULL,	0}, /* 276 */
+	{"sync_file_range", NULL,		NOSYS_NULL,	0}, /* 277 */
+	{"vmsplice",	NULL,			NOSYS_NULL,	0}, /* 278 */
+	{"move_pages",	NULL,			NOSYS_NULL,	0}, /* 279 */
+	{"utimensat",	NULL,			0,		4}, /* 280 */
+	{"epoll_pwait",	NULL,			0,		5}, /* 281 */
+	{"signalfd",	NULL,			NOSYS_NULL,	0}, /* 282 */
+	{"timerfd_create", NULL,		0,		2}, /* 283 */
+	{"eventfd",	NULL,			0,		1}, /* 284 */
+	{"fallocate",	NULL,			NOSYS_NULL,	0}, /* 285 */
+	{"timerfd_settime", NULL,		0,		4}, /* 286 */
+	{"timerfd_gettime", NULL,		0,		2}, /* 287 */
+	{"accept4",	NULL,			0,		4}, /* 288 */
+	{"signalfd4",	NULL,			NOSYS_NULL,	0}, /* 289 */
+	{"eventfd2",	NULL,			0,		2}, /* 290 */
+	{"epoll_create1", NULL,			0,		1}, /* 291 */
+	{"dup3",	NULL,			0,		3}, /* 292 */
+	{"pipe2",	lx_pipe2,		0,		2}, /* 293 */
+	{"inotify_init1", NULL,			0,		1}, /* 294 */
+	{"preadv",	NULL,			0,		4}, /* 295 */
+	{"pwritev",	NULL,			0,		4}, /* 296 */
+	{"rt_tgsigqueueinfo", NULL, 		0,		4}, /* 297 */
+	{"perf_event_open", NULL,		NOSYS_NULL,	0}, /* 298 */
+	{"recvmmsg",	NULL,			NOSYS_NULL,	0}, /* 299 */
+	{"fanotify_init", NULL,			NOSYS_NULL,	0}, /* 300 */
+	{"fanotify_mark", NULL,			NOSYS_NULL,	0}, /* 301 */
+	{"prlimit64",	lx_prlimit64,		0,		4}, /* 302 */
+	{"name_to_handle_at", NULL,		NOSYS_NULL,	0}, /* 303 */
+	{"open_by_handle_at", NULL,		NOSYS_NULL,	0}, /* 304 */
+	{"clock_adjtime", NULL,			NOSYS_NULL,	0}, /* 305 */
+	{"syncfs",	NULL,			NOSYS_NULL,	0}, /* 306 */
+	{"sendmmsg",	NULL,			NOSYS_NULL,	0}, /* 307 */
+	{"setns",	NULL,			NOSYS_NULL,	0}, /* 309 */
+	{"getcpu",	lx_getcpu,		0,		3}, /* 309 */
+	{"process_vm_readv", NULL,		NOSYS_NULL,	0}, /* 310 */
+	{"process_vm_writev", NULL,		NOSYS_NULL,	0}, /* 311 */
+	{"kcmp",	NULL,			NOSYS_NULL,	0}, /* 312 */
+	{"finit_module", NULL,			NOSYS_NULL,	0}, /* 313 */
+	{"sched_setattr", NULL,			NOSYS_NULL,	0}, /* 314 */
+	{"sched_getattr", NULL,			NOSYS_NULL,	0}, /* 315 */
+	{"renameat2", NULL,			NOSYS_NULL,	0}, /* 316 */
+	{"seccomp",	NULL,			NOSYS_NULL,	0}, /* 317 */
+	{"getrandom",	lx_getrandom,		0,		3}, /* 318 */
+	{"memfd_create", NULL,			NOSYS_NULL,	0}, /* 319 */
+	{"kexec_file_load", NULL,		NOSYS_NULL,	0}, /* 320 */
+	{"bpf",		NULL,			NOSYS_NULL,	0}, /* 321 */
+	{"execveat",	NULL,			NOSYS_NULL,	0}, /* 322 */
+
+	/* XXX TBD gap then x32 syscalls from 512 - 544 */
+};
+#endif
diff --git a/usr/src/uts/common/brand/lx/procfs/lx_proc.h b/usr/src/uts/common/brand/lx/procfs/lx_proc.h
new file mode 100644
index 0000000000..b9e8cf8e5a
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/procfs/lx_proc.h
@@ -0,0 +1,290 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifdef _LXPROC_NATIVE_H
+#error Attempted to include branded lx_proc.h after native lxproc.h
+#endif
+
+#ifndef	_LXPROC_H
+#define	_LXPROC_H
+#define	_LXPROC_BRANDED_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * lxproc.h: declarations, data structures and macros for lxprocfs
+ */
+
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/policy.h>
+#include <sys/debug.h>
+#include <sys/dirent.h>
+#include <sys/errno.h>
+#include <sys/file.h>
+#include <sys/kmem.h>
+#include <sys/pathname.h>
+#include <sys/proc.h>
+#include <sys/systm.h>
+#include <sys/var.h>
+#include <sys/user.h>
+#include <sys/t_lock.h>
+#include <sys/sysmacros.h>
+#include <sys/cred.h>
+#include <sys/priv.h>
+#include <sys/vnode.h>
+#include <sys/vfs.h>
+#include <sys/statvfs.h>
+#include <sys/cmn_err.h>
+#include <sys/zone.h>
+#include <sys/uio.h>
+#include <sys/utsname.h>
+#include <sys/dnlc.h>
+#include <sys/atomic.h>
+#include <sys/sunddi.h>
+#include <sys/sunldi.h>
+#include <vm/as.h>
+#include <vm/anon.h>
+
+/*
+ * Convert a vnode into an lxpr_mnt_t
+ */
+#define	VTOLXPM(vp)	((lxpr_mnt_t *)(vp)->v_vfsp->vfs_data)
+
+/*
+ * convert a vnode into an lxpr_node
+ */
+#define	VTOLXP(vp)	((lxpr_node_t *)(vp)->v_data)
+
+/*
+ * convert a lxprnode into a vnode
+ */
+#define	LXPTOV(lxpnp)	((lxpnp)->lxpr_vnode)
+
+/*
+ * convert a lxpr_node into zone for fs
+ */
+#define	LXPTOZ(lxpnp) \
+	(((lxpr_mnt_t *)(lxpnp)->lxpr_vnode->v_vfsp->vfs_data)->lxprm_zone)
+
+#define	LXPNSIZ		256	/* max size of lx /proc file name entries */
+
+/*
+ * Pretend that a directory entry takes 16 bytes
+ */
+#define	LXPR_SDSIZE	16
+
+/*
+ * Node/file types for lx /proc files
+ * (directories and files contained therein).
+ */
+typedef enum lxpr_nodetype {
+	LXPR_PROCDIR,		/* /proc		*/
+	LXPR_PIDDIR,		/* /proc/<pid>		*/
+	LXPR_PID_CMDLINE,	/* /proc/<pid>/cmdline	*/
+	LXPR_PID_CPU,		/* /proc/<pid>/cpu	*/
+	LXPR_PID_CURDIR,	/* /proc/<pid>/cwd	*/
+	LXPR_PID_ENV,		/* /proc/<pid>/environ	*/
+	LXPR_PID_EXE,		/* /proc/<pid>/exe	*/
+	LXPR_PID_LIMITS,	/* /proc/<pid>/limits	*/
+	LXPR_PID_MAPS,		/* /proc/<pid>/maps	*/
+	LXPR_PID_MEM,		/* /proc/<pid>/mem	*/
+	LXPR_PID_MOUNTINFO,	/* /proc/<pid>/mountinfo */
+	LXPR_PID_ROOTDIR,	/* /proc/<pid>/root	*/
+	LXPR_PID_STAT,		/* /proc/<pid>/stat	*/
+	LXPR_PID_STATM,		/* /proc/<pid>/statm	*/
+	LXPR_PID_STATUS,	/* /proc/<pid>/status	*/
+	LXPR_PID_TASKDIR,	/* /proc/<pid>/task	*/
+	LXPR_PID_TASK_IDDIR,	/* /proc/<pid>/task/<tid>		*/
+	LXPR_PID_FDDIR,		/* /proc/<pid>/fd	*/
+	LXPR_PID_FD_FD,		/* /proc/<pid>/fd/nn	*/
+	LXPR_PID_TID_CMDLINE,	/* /proc/<pid>/task/<tid>/cmdline	*/
+	LXPR_PID_TID_CPU,	/* /proc/<pid>/task/<tid>/cpu		*/
+	LXPR_PID_TID_CURDIR,	/* /proc/<pid>/task/<tid>/cwd		*/
+	LXPR_PID_TID_ENV,	/* /proc/<pid>/task/<tid>/environ	*/
+	LXPR_PID_TID_EXE,	/* /proc/<pid>/task/<tid>/exe		*/
+	LXPR_PID_TID_LIMITS,	/* /proc/<pid>/task/<tid>/limits	*/
+	LXPR_PID_TID_MAPS,	/* /proc/<pid>/task/<tid>/maps		*/
+	LXPR_PID_TID_MEM,	/* /proc/<pid>/task/<tid>/mem		*/
+	LXPR_PID_TID_MOUNTINFO,	/* /proc/<pid>/task/<tid>/mountinfo	*/
+	LXPR_PID_TID_ROOTDIR,	/* /proc/<pid>/task/<tid>/root		*/
+	LXPR_PID_TID_STAT,	/* /proc/<pid>/task/<tid>/stat		*/
+	LXPR_PID_TID_STATM,	/* /proc/<pid>/task/<tid>/statm		*/
+	LXPR_PID_TID_STATUS,	/* /proc/<pid>/task/<tid>/status	*/
+	LXPR_PID_TID_FDDIR,	/* /proc/<pid>/task/<tid>/fd		*/
+	LXPR_PID_TID_FD_FD,	/* /proc/<pid>/task/<tid>/fd/nn		*/
+	LXPR_CMDLINE,		/* /proc/cmdline	*/
+	LXPR_CPUINFO,		/* /proc/cpuinfo	*/
+	LXPR_DEVICES,		/* /proc/devices	*/
+	LXPR_DISKSTATS,		/* /proc/diskstats	*/
+	LXPR_DMA,		/* /proc/dma		*/
+	LXPR_FILESYSTEMS,	/* /proc/filesystems	*/
+	LXPR_INTERRUPTS,	/* /proc/interrupts	*/
+	LXPR_IOPORTS,		/* /proc/ioports	*/
+	LXPR_KCORE,		/* /proc/kcore		*/
+	LXPR_KMSG,		/* /proc/kmsg		*/
+	LXPR_LOADAVG,		/* /proc/loadavg	*/
+	LXPR_MEMINFO,		/* /proc/meminfo	*/
+	LXPR_MODULES,		/* /proc/modules	*/
+	LXPR_MOUNTS,		/* /proc/mounts		*/
+	LXPR_NETDIR,		/* /proc/net		*/
+	LXPR_NET_ARP,		/* /proc/net/arp	*/
+	LXPR_NET_DEV,		/* /proc/net/dev	*/
+	LXPR_NET_DEV_MCAST,	/* /proc/net/dev_mcast	*/
+	LXPR_NET_IF_INET6,	/* /proc/net/if_inet6	*/
+	LXPR_NET_IGMP,		/* /proc/net/igmp	*/
+	LXPR_NET_IP_MR_CACHE,	/* /proc/net/ip_mr_cache */
+	LXPR_NET_IP_MR_VIF,	/* /proc/net/ip_mr_vif	*/
+	LXPR_NET_IPV6_ROUTE,	/* /proc/net/ipv6_route	*/
+	LXPR_NET_MCFILTER,	/* /proc/net/mcfilter	*/
+	LXPR_NET_NETSTAT,	/* /proc/net/netstat	*/
+	LXPR_NET_RAW,		/* /proc/net/raw	*/
+	LXPR_NET_ROUTE,		/* /proc/net/route	*/
+	LXPR_NET_RPC,		/* /proc/net/rpc	*/
+	LXPR_NET_RT_CACHE,	/* /proc/net/rt_cache	*/
+	LXPR_NET_SOCKSTAT,	/* /proc/net/sockstat	*/
+	LXPR_NET_SNMP,		/* /proc/net/snmp	*/
+	LXPR_NET_STAT,		/* /proc/net/stat	*/
+	LXPR_NET_TCP,		/* /proc/net/tcp	*/
+	LXPR_NET_TCP6,		/* /proc/net/tcp6	*/
+	LXPR_NET_UDP,		/* /proc/net/udp	*/
+	LXPR_NET_UDP6,		/* /proc/net/udp6	*/
+	LXPR_NET_UNIX,		/* /proc/net/unix	*/
+	LXPR_PARTITIONS,	/* /proc/partitions	*/
+	LXPR_SELF,		/* /proc/self		*/
+	LXPR_STAT,		/* /proc/stat		*/
+	LXPR_SWAPS,		/* /proc/swaps		*/
+	LXPR_SYSDIR,		/* /proc/sys/		*/
+	LXPR_SYS_FSDIR,		/* /proc/sys/fs/	*/
+	LXPR_SYS_FS_INOTIFYDIR,	/* /proc/sys/fs/inotify	*/
+	LXPR_SYS_FS_INOTIFY_MAX_QUEUED_EVENTS,	/* inotify/max_queued_events */
+	LXPR_SYS_FS_INOTIFY_MAX_USER_INSTANCES,	/* inotify/max_user_instances */
+	LXPR_SYS_FS_INOTIFY_MAX_USER_WATCHES,	/* inotify/max_user_watches */
+	LXPR_SYS_KERNELDIR,	/* /proc/sys/kernel/	*/
+	LXPR_SYS_KERNEL_HOSTNAME,	/* /proc/sys/kernel/hostname */
+	LXPR_SYS_KERNEL_MSGMNI,	/* /proc/sys/kernel/msgmni */
+	LXPR_SYS_KERNEL_NGROUPS_MAX,	/* /proc/sys/kernel/ngroups_max */
+	LXPR_SYS_KERNEL_PID_MAX,	/* /proc/sys/kernel/pid_max */
+	LXPR_SYS_KERNEL_SHMMAX,	/* /proc/sys/kernel/shmmax */
+	LXPR_SYS_KERNEL_THREADS_MAX,	/* /proc/sys/kernel/threads-max */
+	LXPR_UPTIME,		/* /proc/uptime		*/
+	LXPR_VERSION,		/* /proc/version	*/
+	LXPR_NFILES		/* number of lx /proc file types */
+} lxpr_nodetype_t;
+
+
+/*
+ * Number of fds allowed for in the inode number calculation
+ * per process (if a process has more fds then inode numbers
+ * may be duplicated)
+ */
+#define	LXPR_FD_PERPROC 2000
+
+/*
+ * Linux sector size for /proc/diskstats
+ */
+#define	LXPR_SECTOR_SIZE	512
+
+/*
+ * external dirent characteristics
+ */
+typedef struct {
+	lxpr_nodetype_t	d_type;
+	char		*d_name;
+} lxpr_dirent_t;
+
+/*
+ * This is the lxprocfs private data object
+ * which is attached to v_data in the vnode structure
+ */
+typedef struct lxpr_node {
+	lxpr_nodetype_t	lxpr_type;	/* type of this node 		*/
+	vnode_t		*lxpr_vnode;	/* vnode for the node		*/
+	vnode_t		*lxpr_parent;	/* parent directory		*/
+	vnode_t		*lxpr_realvp;	/* real vnode, file in dirs	*/
+	timestruc_t	lxpr_time;	/* creation etc time for file	*/
+	mode_t		lxpr_mode;	/* file mode bits		*/
+	uid_t		lxpr_uid;	/* file owner			*/
+	gid_t		lxpr_gid;	/* file group owner		*/
+	pid_t		lxpr_pid;	/* pid of proc referred to	*/
+	uint_t		lxpr_desc;	/* addl. descriptor (fd or tid)	*/
+	ino_t		lxpr_ino;	/* node id 			*/
+	ldi_handle_t	lxpr_cons_ldih; /* ldi handle for console device */
+} lxpr_node_t;
+
+struct zone;    /* forward declaration */
+
+/*
+ * This is the lxprocfs private data object
+ * which is attached to vfs_data in the vfs structure
+ */
+typedef struct lxpr_mnt {
+	lxpr_node_t	*lxprm_node;	/* node at root of proc mount */
+	struct zone	*lxprm_zone;	/* zone for this mount */
+	ldi_ident_t	lxprm_li;	/* ident for ldi */
+} lxpr_mnt_t;
+
+extern vnodeops_t	*lxpr_vnodeops;
+extern int		nproc_highbit;	/* highbit(v.v_nproc)		*/
+
+typedef struct mounta	mounta_t;
+
+extern void lxpr_initnodecache();
+extern void lxpr_fininodecache();
+extern void lxpr_initrootnode(lxpr_node_t **, vfs_t *);
+extern ino_t lxpr_inode(lxpr_nodetype_t, pid_t, int);
+extern ino_t lxpr_parentinode(lxpr_node_t *);
+extern lxpr_node_t *lxpr_getnode(vnode_t *, lxpr_nodetype_t, proc_t *, int);
+extern void lxpr_freenode(lxpr_node_t *);
+
+typedef struct lxpr_uiobuf lxpr_uiobuf_t;
+extern lxpr_uiobuf_t *lxpr_uiobuf_new(uio_t *);
+extern void lxpr_uiobuf_free(lxpr_uiobuf_t *);
+extern int lxpr_uiobuf_flush(lxpr_uiobuf_t *);
+extern void lxpr_uiobuf_seek(lxpr_uiobuf_t *, offset_t);
+extern boolean_t lxpr_uiobuf_nonblock(lxpr_uiobuf_t *);
+extern void lxpr_uiobuf_write(lxpr_uiobuf_t *, const char *, size_t);
+extern void lxpr_uiobuf_printf(lxpr_uiobuf_t *, const char *, ...);
+extern void lxpr_uiobuf_seterr(lxpr_uiobuf_t *, int);
+
+proc_t *lxpr_lock(pid_t);
+void lxpr_unlock(proc_t *);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#ifndef islower
+#define	islower(x)	(((unsigned)(x) >= 'a') && ((unsigned)(x) <= 'z'))
+#endif
+#ifndef toupper
+#define	toupper(x)	(islower(x) ? (x) - 'a' + 'A' : (x))
+#endif
+
+#endif /* _LXPROC_H */
diff --git a/usr/src/uts/common/brand/lx/procfs/lx_prsubr.c b/usr/src/uts/common/brand/lx/procfs/lx_prsubr.c
new file mode 100644
index 0000000000..6dad5ce7d2
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/procfs/lx_prsubr.c
@@ -0,0 +1,570 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * lxprsubr.c: Various functions for the /lxproc vnodeops.
+ */
+
+#include <sys/varargs.h>
+
+#include <sys/cpuvar.h>
+#include <sys/mman.h>
+#include <sys/vmsystm.h>
+#include <sys/prsystm.h>
+
+#include "lx_proc.h"
+
+#define	LXPRCACHE_NAME "lxbpr_cache"
+
+static int lxpr_node_constructor(void *, void *, int);
+static void lxpr_node_destructor(void *, void *);
+
+static kmem_cache_t *lxpr_node_cache;
+
+struct lxpr_uiobuf {
+	uio_t *uiop;
+	char *buffer;
+	uint32_t buffsize;
+	char *pos;
+	size_t beg;
+	int error;
+};
+
+int lx_pr_bufsize = 4000;
+
+struct lxpr_uiobuf *
+lxpr_uiobuf_new(uio_t *uiop)
+{
+	/* Allocate memory for both lxpr_uiobuf and output buffer */
+	int bufsize = lx_pr_bufsize;
+	struct lxpr_uiobuf *uiobuf =
+	    kmem_alloc(sizeof (struct lxpr_uiobuf) + bufsize, KM_SLEEP);
+
+	uiobuf->uiop = uiop;
+	uiobuf->buffer = (char *)&uiobuf[1];
+	uiobuf->buffsize = bufsize;
+	uiobuf->pos = uiobuf->buffer;
+	uiobuf->beg = 0;
+	uiobuf->error = 0;
+
+	return (uiobuf);
+}
+
+void
+lxpr_uiobuf_free(struct lxpr_uiobuf *uiobuf)
+{
+	ASSERT(uiobuf != NULL);
+	ASSERT(uiobuf->pos == uiobuf->buffer);
+
+	kmem_free(uiobuf, sizeof (struct lxpr_uiobuf) + uiobuf->buffsize);
+}
+
+void
+lxpr_uiobuf_seek(struct lxpr_uiobuf *uiobuf, offset_t offset)
+{
+	uiobuf->uiop->uio_offset = (off_t)offset;
+}
+
+boolean_t
+lxpr_uiobuf_nonblock(struct lxpr_uiobuf *uiobuf)
+{
+	if ((uiobuf->uiop->uio_fmode & FNONBLOCK) != 0)
+		return (B_TRUE);
+	return (B_FALSE);
+}
+
+void
+lxpr_uiobuf_seterr(struct lxpr_uiobuf *uiobuf, int err)
+{
+	ASSERT(uiobuf->error == 0);
+
+	uiobuf->error = err;
+}
+
+int
+lxpr_uiobuf_flush(struct lxpr_uiobuf *uiobuf)
+{
+	off_t off = uiobuf->uiop->uio_offset;
+	caddr_t uaddr = uiobuf->buffer;
+	size_t beg = uiobuf->beg;
+	size_t size = (uintptr_t)uiobuf->pos - (uintptr_t)uaddr;
+
+	if (uiobuf->error == 0 && uiobuf->uiop->uio_resid != 0) {
+		ASSERT(off >= beg);
+
+		if (beg + size > off && off >= 0)
+			uiobuf->error =
+			    uiomove(uaddr + (off - beg), size - (off - beg),
+			    UIO_READ, uiobuf->uiop);
+
+		uiobuf->beg += size;
+	}
+
+	uiobuf->pos = uaddr;
+
+	return (uiobuf->error);
+}
+
+void
+lxpr_uiobuf_write(struct lxpr_uiobuf *uiobuf, const char *buf, size_t size)
+{
+	/* While we can still carry on */
+	while (uiobuf->error == 0 && uiobuf->uiop->uio_resid != 0) {
+		uintptr_t remain = (uintptr_t)uiobuf->buffsize -
+		    ((uintptr_t)uiobuf->pos - (uintptr_t)uiobuf->buffer);
+
+		/* Enough space in buffer? */
+		if (remain >= size) {
+			bcopy(buf, uiobuf->pos, size);
+			uiobuf->pos += size;
+			return;
+		}
+
+		/* Not enough space, so copy all we can and try again */
+		bcopy(buf, uiobuf->pos, remain);
+		uiobuf->pos += remain;
+		(void) lxpr_uiobuf_flush(uiobuf);
+		buf += remain;
+		size -= remain;
+	}
+}
+
+#define	TYPBUFFSIZE 256
+
+void
+lxpr_uiobuf_printf(struct lxpr_uiobuf *uiobuf, const char *fmt, ...)
+{
+	va_list args;
+	char buff[TYPBUFFSIZE];
+	int len;
+	char *buffer;
+
+	/* Can we still do any output */
+	if (uiobuf->error != 0 || uiobuf->uiop->uio_resid == 0)
+		return;
+
+	va_start(args, fmt);
+
+	/* Try using stack allocated buffer */
+	len = vsnprintf(buff, TYPBUFFSIZE, fmt, args);
+	if (len < TYPBUFFSIZE) {
+		va_end(args);
+		lxpr_uiobuf_write(uiobuf, buff, len);
+		return;
+	}
+
+	/* Not enough space in pre-allocated buffer */
+	buffer = kmem_alloc(len + 1, KM_SLEEP);
+
+	/*
+	 * We know we allocated the correct amount of space
+	 * so no check on the return value
+	 */
+	(void) vsnprintf(buffer, len+1, fmt, args);
+	lxpr_uiobuf_write(uiobuf, buffer, len);
+	va_end(args);
+	kmem_free(buffer, len+1);
+}
+
+/*
+ * lxpr_lock():
+ *
+ * Lookup process from pid and return with p_plock and P_PR_LOCK held.
+ */
+proc_t *
+lxpr_lock(pid_t pid)
+{
+	proc_t *p;
+	kmutex_t *mp;
+	pid_t find_pid;
+
+	ASSERT(!MUTEX_HELD(&pidlock));
+
+	for (;;) {
+		mutex_enter(&pidlock);
+
+		/*
+		 * If the pid is 1, we really want the zone's init process;
+		 * if 0 we want zsched.
+		 */
+		if (pid == 1) {
+			find_pid = curproc->p_zone->zone_proc_initpid;
+		} else if (pid == 0) {
+			find_pid = curproc->p_zone->zone_zsched->p_pid;
+		} else {
+			find_pid = pid;
+		}
+		p = prfind(find_pid);
+
+		if (p == NULL || p->p_stat == SIDL) {
+			mutex_exit(&pidlock);
+			return (NULL);
+		}
+
+		/*
+		 * p_lock is persistent, but p itself is not -- it could
+		 * vanish during cv_wait().  Load p->p_lock now so we can
+		 * drop it after cv_wait() without referencing p.
+		 */
+		mp = &p->p_lock;
+		mutex_enter(mp);
+
+		mutex_exit(&pidlock);
+
+		if (p->p_flag & SEXITING) {
+			/*
+			 * This process is exiting -- let it go.
+			 */
+			mutex_exit(mp);
+			return (NULL);
+		}
+
+		if (!(p->p_proc_flag & P_PR_LOCK))
+			break;
+
+		cv_wait(&pr_pid_cv[p->p_slot], mp);
+		mutex_exit(mp);
+	}
+
+	p->p_proc_flag |= P_PR_LOCK;
+	THREAD_KPRI_REQUEST();
+	return (p);
+}
+
+/*
+ * lxpr_unlock()
+ *
+ * Unlock locked process
+ */
+void
+lxpr_unlock(proc_t *p)
+{
+	ASSERT(p->p_proc_flag & P_PR_LOCK);
+	ASSERT(MUTEX_HELD(&p->p_lock));
+	ASSERT(!MUTEX_HELD(&pidlock));
+
+	cv_signal(&pr_pid_cv[p->p_slot]);
+	p->p_proc_flag &= ~P_PR_LOCK;
+	mutex_exit(&p->p_lock);
+	THREAD_KPRI_RELEASE();
+}
+
+void
+lxpr_initnodecache()
+{
+	lxpr_node_cache = kmem_cache_create(LXPRCACHE_NAME,
+	    sizeof (lxpr_node_t), 0,
+	    lxpr_node_constructor, lxpr_node_destructor, NULL, NULL, NULL, 0);
+}
+
+void
+lxpr_fininodecache()
+{
+	kmem_cache_destroy(lxpr_node_cache);
+}
+
+/* ARGSUSED */
+static int
+lxpr_node_constructor(void *buf, void *un, int kmflags)
+{
+	lxpr_node_t	*lxpnp = buf;
+	vnode_t		*vp;
+
+	vp = lxpnp->lxpr_vnode = vn_alloc(kmflags);
+	if (vp == NULL)
+		return (-1);
+
+	(void) vn_setops(vp, lxpr_vnodeops);
+	vp->v_data = lxpnp;
+
+	return (0);
+}
+
+/* ARGSUSED */
+static void
+lxpr_node_destructor(void *buf, void *un)
+{
+	lxpr_node_t	*lxpnp = buf;
+
+	vn_free(LXPTOV(lxpnp));
+}
+
+/*
+ * Calculate an inode number
+ *
+ * This takes various bits of info and munges them
+ * to give the inode number for an lxproc node
+ */
+ino_t
+lxpr_inode(lxpr_nodetype_t type, pid_t pid, int desc)
+{
+	if (pid == 1) {
+		pid = curproc->p_zone->zone_proc_initpid;
+	} else if (pid == 0) {
+		pid = curproc->p_zone->zone_zsched->p_pid;
+	}
+
+	switch (type) {
+	case LXPR_PIDDIR:
+		return (maxpid + pid + 1);
+	case LXPR_PID_TASK_IDDIR:
+		return (maxpid + (desc * 10));
+	case LXPR_PROCDIR:
+		return (maxpid + 2);
+	case LXPR_PID_FD_FD:
+		return (maxpid + 2 +
+		    (pid * (LXPR_FD_PERPROC + LXPR_NFILES)) +
+		    LXPR_NFILES + desc);
+	default:
+		return (maxpid + 2 +
+		    (pid * (LXPR_FD_PERPROC + LXPR_NFILES)) +
+		    type);
+	}
+}
+
+/*
+ * Return inode number of parent (directory)
+ */
+ino_t
+lxpr_parentinode(lxpr_node_t *lxpnp)
+{
+	/*
+	 * If the input node is the root then the parent inode
+	 * is the mounted on inode so just return our inode number
+	 */
+	if (lxpnp->lxpr_type != LXPR_PROCDIR)
+		return (VTOLXP(lxpnp->lxpr_parent)->lxpr_ino);
+	else
+		return (lxpnp->lxpr_ino);
+}
+
+/*
+ * Allocate a new lxproc node
+ *
+ * This also allocates the vnode associated with it
+ */
+lxpr_node_t *
+lxpr_getnode(vnode_t *dp, lxpr_nodetype_t type, proc_t *p, int desc)
+{
+	lxpr_node_t *lxpnp;
+	vnode_t *vp;
+	user_t *up;
+	timestruc_t now;
+
+	/*
+	 * Allocate a new node. It is deallocated in vop_innactive
+	 */
+	lxpnp = kmem_cache_alloc(lxpr_node_cache, KM_SLEEP);
+
+	/*
+	 * Set defaults (may be overridden below)
+	 */
+	gethrestime(&now);
+	lxpnp->lxpr_type = type;
+	lxpnp->lxpr_realvp = NULL;
+	lxpnp->lxpr_parent = dp;
+	lxpnp->lxpr_desc = desc;
+	VN_HOLD(dp);
+	if (p != NULL) {
+		if (p->p_pid == curproc->p_zone->zone_proc_initpid) {
+			lxpnp->lxpr_pid = 1;
+		} else if (p->p_pid == curproc->p_zone->zone_zsched->p_pid) {
+			lxpnp->lxpr_pid = 0;
+		} else {
+			lxpnp->lxpr_pid = p->p_pid;
+		}
+
+		lxpnp->lxpr_time = PTOU(p)->u_start;
+		lxpnp->lxpr_uid = crgetruid(p->p_cred);
+		lxpnp->lxpr_gid = crgetrgid(p->p_cred);
+		lxpnp->lxpr_ino = lxpr_inode(type, p->p_pid, desc);
+	} else {
+		/* Pretend files without a proc belong to sched */
+		lxpnp->lxpr_pid = 0;
+		lxpnp->lxpr_time = now;
+		lxpnp->lxpr_uid = lxpnp->lxpr_gid = 0;
+		lxpnp->lxpr_ino = lxpr_inode(type, 0, 0);
+	}
+
+	/* initialize the vnode data */
+	vp = lxpnp->lxpr_vnode;
+	vn_reinit(vp);
+	vp->v_flag = VNOCACHE|VNOMAP|VNOSWAP|VNOMOUNT;
+	vp->v_vfsp = dp->v_vfsp;
+
+	/*
+	 * Do node specific stuff
+	 */
+	switch (type) {
+	case LXPR_PROCDIR:
+		vp->v_flag |= VROOT;
+		vp->v_type = VDIR;
+		lxpnp->lxpr_mode = 0555;	/* read-search by everyone */
+		break;
+
+	case LXPR_PID_CURDIR:
+		ASSERT(p != NULL);
+
+		/*
+		 * Zombie check.  p_stat is officially protected by pidlock,
+		 * but we can't grab pidlock here because we already hold
+		 * p_lock.  Luckily if we look at the process exit code
+		 * we see that p_stat only transisions from SRUN to SZOMB
+		 * while p_lock is held.  Aside from this, the only other
+		 * p_stat transition that we need to be aware about is
+		 * SIDL to SRUN, but that's not a problem since lxpr_lock()
+		 * ignores nodes in the SIDL state so we'll never get a node
+		 * that isn't already in the SRUN state.
+		 */
+		if (p->p_stat == SZOMB) {
+			lxpnp->lxpr_realvp = NULL;
+		} else {
+			up = PTOU(p);
+			lxpnp->lxpr_realvp = up->u_cdir;
+			ASSERT(lxpnp->lxpr_realvp != NULL);
+			VN_HOLD(lxpnp->lxpr_realvp);
+		}
+		vp->v_type = VLNK;
+		lxpnp->lxpr_mode = 0777;	/* anyone does anything ! */
+		break;
+
+	case LXPR_PID_ROOTDIR:
+		ASSERT(p != NULL);
+		/* Zombie check.  see locking comment above */
+		if (p->p_stat == SZOMB) {
+			lxpnp->lxpr_realvp = NULL;
+		} else {
+			up = PTOU(p);
+			lxpnp->lxpr_realvp =
+			    up->u_rdir != NULL ? up->u_rdir : rootdir;
+			ASSERT(lxpnp->lxpr_realvp != NULL);
+			VN_HOLD(lxpnp->lxpr_realvp);
+		}
+		vp->v_type = VLNK;
+		lxpnp->lxpr_mode = 0777;	/* anyone does anything ! */
+		break;
+
+	case LXPR_PID_EXE:
+		ASSERT(p != NULL);
+		lxpnp->lxpr_realvp = p->p_exec;
+		if (lxpnp->lxpr_realvp != NULL) {
+			VN_HOLD(lxpnp->lxpr_realvp);
+		}
+		vp->v_type = VLNK;
+		lxpnp->lxpr_mode = 0777;
+		break;
+
+	case LXPR_SELF:
+		vp->v_type = VLNK;
+		lxpnp->lxpr_mode = 0777;	/* anyone does anything ! */
+		break;
+
+	case LXPR_PID_TASKDIR:
+		ASSERT(p != NULL);
+		vp->v_type = VDIR;
+		lxpnp->lxpr_mode = 0555;	/* read-search by everyone */
+		break;
+
+	case LXPR_PID_TASK_IDDIR:
+		ASSERT(p != NULL);
+		vp->v_type = VDIR;
+		lxpnp->lxpr_mode = 0555;	/* read-search by everyone */
+		break;
+
+	case LXPR_PID_FD_FD:
+		ASSERT(p != NULL);
+		/* lxpr_realvp is set after we return */
+		lxpnp->lxpr_mode = 0700;	/* read-write-exe owner only */
+		vp->v_type = VLNK;
+		break;
+
+	case LXPR_PID_FDDIR:
+	case LXPR_PID_TID_FDDIR:
+		ASSERT(p != NULL);
+		vp->v_type = VDIR;
+		lxpnp->lxpr_mode = 0500;	/* read-search by owner only */
+		break;
+
+	case LXPR_PIDDIR:
+		ASSERT(p != NULL);
+		vp->v_type = VDIR;
+		lxpnp->lxpr_mode = 0511;
+		break;
+
+	case LXPR_SYSDIR:
+	case LXPR_SYS_FSDIR:
+	case LXPR_SYS_FS_INOTIFYDIR:
+	case LXPR_SYS_KERNELDIR:
+	case LXPR_NETDIR:
+		vp->v_type = VDIR;
+		lxpnp->lxpr_mode = 0555;	/* read-search by all */
+		break;
+
+	case LXPR_PID_ENV:
+	case LXPR_PID_MEM:
+		ASSERT(p != NULL);
+		/*FALLTHRU*/
+	case LXPR_KCORE:
+		vp->v_type = VREG;
+		lxpnp->lxpr_mode = 0400;	/* read-only by owner only */
+		break;
+
+	default:
+		vp->v_type = VREG;
+		lxpnp->lxpr_mode = 0444;	/* read-only by all */
+		break;
+	}
+
+	return (lxpnp);
+}
+
+
+/*
+ * Free the storage obtained from lxpr_getnode().
+ */
+void
+lxpr_freenode(lxpr_node_t *lxpnp)
+{
+	ASSERT(lxpnp != NULL);
+	ASSERT(LXPTOV(lxpnp) != NULL);
+
+	/*
+	 * delete any association with realvp
+	 */
+	if (lxpnp->lxpr_realvp != NULL)
+		VN_RELE(lxpnp->lxpr_realvp);
+
+	/*
+	 * delete any association with parent vp
+	 */
+	if (lxpnp->lxpr_parent != NULL)
+		VN_RELE(lxpnp->lxpr_parent);
+
+	/*
+	 * Release the lxprnode.
+	 */
+	kmem_cache_free(lxpr_node_cache, lxpnp);
+}
diff --git a/usr/src/uts/common/brand/lx/procfs/lx_prvfsops.c b/usr/src/uts/common/brand/lx/procfs/lx_prvfsops.c
new file mode 100644
index 0000000000..e9dda7864a
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/procfs/lx_prvfsops.c
@@ -0,0 +1,374 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+/*
+ * lxprvfsops.c: vfs operations for /lxprocfs.
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/cmn_err.h>
+#include <sys/cred.h>
+#include <sys/debug.h>
+#include <sys/errno.h>
+#include <sys/proc.h>
+#include <sys/stat.h>
+#include <sys/statvfs.h>
+#include <sys/sysmacros.h>
+#include <sys/systm.h>
+#include <sys/var.h>
+#include <sys/vfs.h>
+#include <sys/vfs_opreg.h>
+#include <sys/vnode.h>
+#include <sys/mode.h>
+#include <sys/signal.h>
+#include <sys/user.h>
+#include <sys/mount.h>
+#include <sys/bitmap.h>
+#include <sys/kmem.h>
+#include <sys/policy.h>
+#include <sys/modctl.h>
+#include <sys/sunddi.h>
+#include <sys/sunldi.h>
+#include <sys/lx_impl.h>
+
+#include "lx_proc.h"
+
+/* Module level parameters */
+static int	lxprocfstype;
+static dev_t	lxprocdev;
+static kmutex_t	lxpr_mount_lock;
+
+int nproc_highbit;	/* highbit(v.v_nproc) */
+
+static int lxpr_mount(vfs_t *, vnode_t *, mounta_t *, cred_t *);
+static int lxpr_unmount(vfs_t *, int, cred_t *);
+static int lxpr_root(vfs_t *, vnode_t **);
+static int lxpr_statvfs(vfs_t *, statvfs64_t *);
+static int lxpr_init(int, char *);
+
+static vfsdef_t vfw = {
+	VFSDEF_VERSION,
+	"lx_proc",
+	lxpr_init,
+	VSW_ZMOUNT,
+	NULL
+};
+
+/*
+ * Module linkage information for the kernel.
+ */
+extern struct mod_ops mod_fsops;
+
+static struct modlfs modlfs = {
+	&mod_fsops, "lx brand procfs", &vfw
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1, (void *)&modlfs, NULL
+};
+
+int
+_init(void)
+{
+	return (mod_install(&modlinkage));
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	int retval;
+
+	/*
+	 * attempt to unload the module
+	 */
+	if ((retval = mod_remove(&modlinkage)) != 0)
+		goto done;
+
+	/*
+	 * destroy lxpr_node cache
+	 */
+	lxpr_fininodecache();
+
+	/*
+	 * clean out the vfsops and vnodeops
+	 */
+	(void) vfs_freevfsops_by_type(lxprocfstype);
+	vn_freevnodeops(lxpr_vnodeops);
+
+	mutex_destroy(&lxpr_mount_lock);
+done:
+	return (retval);
+}
+
+static int
+lxpr_init(int fstype, char *name)
+{
+	static const fs_operation_def_t lxpr_vfsops_template[] = {
+		VFSNAME_MOUNT,		{ .vfs_mount = lxpr_mount },
+		VFSNAME_UNMOUNT,	{ .vfs_unmount = lxpr_unmount },
+		VFSNAME_ROOT,		{ .vfs_root = lxpr_root },
+		VFSNAME_STATVFS,	{ .vfs_statvfs = lxpr_statvfs },
+		NULL,			NULL
+	};
+	extern const fs_operation_def_t lxpr_vnodeops_template[];
+	int error;
+	major_t dev;
+
+	nproc_highbit = highbit(v.v_proc);
+	lxprocfstype = fstype;
+	ASSERT(lxprocfstype != 0);
+
+	mutex_init(&lxpr_mount_lock, NULL, MUTEX_DEFAULT, NULL);
+
+	/*
+	 * Associate VFS ops vector with this fstype.
+	 */
+	error = vfs_setfsops(fstype, lxpr_vfsops_template, NULL);
+	if (error != 0) {
+		cmn_err(CE_WARN, "lxpr_init: bad vfs ops template");
+		return (error);
+	}
+
+	/*
+	 * Set up vnode ops vector too.
+	 */
+	error = vn_make_ops(name, lxpr_vnodeops_template, &lxpr_vnodeops);
+	if (error != 0) {
+		(void) vfs_freevfsops_by_type(fstype);
+		cmn_err(CE_WARN, "lxpr_init: bad vnode ops template");
+		return (error);
+	}
+
+	/*
+	 * Assign a unique "device" number (used by stat(2)).
+	 */
+	if ((dev = getudev()) == (major_t)-1) {
+		cmn_err(CE_WARN, "lxpr_init: can't get unique device number");
+		dev = 0;
+	}
+
+	/*
+	 * Make the pseudo device
+	 */
+	lxprocdev = makedevice(dev, 0);
+
+	/*
+	 * Initialise cache for lxpr_nodes
+	 */
+	lxpr_initnodecache();
+
+	return (0);
+}
+
+static int
+lxpr_mount(vfs_t *vfsp, vnode_t *mvp, mounta_t *uap, cred_t *cr)
+{
+	lxpr_mnt_t *lxpr_mnt;
+	zone_t *zone = curproc->p_zone;
+	ldi_ident_t li;
+	int err;
+
+	/*
+	 * must be root to mount
+	 */
+	if (secpolicy_fs_mount(cr, mvp, vfsp) != 0)
+		return (EPERM);
+
+	/*
+	 * mount point must be a directory
+	 */
+	if (mvp->v_type != VDIR)
+		return (ENOTDIR);
+
+	if (zone == global_zone) {
+		zone_t *mntzone;
+
+		mntzone = zone_find_by_path(refstr_value(vfsp->vfs_mntpt));
+		zone_rele(mntzone);
+		if (zone != mntzone)
+			return (EBUSY);
+	}
+
+	/*
+	 * Having the resource be anything but "lxproc" doesn't make sense
+	 */
+	vfs_setresource(vfsp, "lxproc", 0);
+
+	lxpr_mnt = kmem_alloc(sizeof (*lxpr_mnt), KM_SLEEP);
+
+	if ((err = ldi_ident_from_mod(&modlinkage, &li)) != 0) {
+		kmem_free(lxpr_mnt, sizeof (*lxpr_mnt));
+		return (err);
+	}
+
+	lxpr_mnt->lxprm_li = li;
+
+	mutex_enter(&lxpr_mount_lock);
+
+	/*
+	 * Ensure we don't allow overlaying mounts
+	 */
+	mutex_enter(&mvp->v_lock);
+	if ((uap->flags & MS_OVERLAY) == 0 &&
+	    (mvp->v_count > 1 || (mvp->v_flag & VROOT))) {
+		mutex_exit(&mvp->v_lock);
+		mutex_exit(&lxpr_mount_lock);
+		kmem_free(lxpr_mnt, sizeof ((*lxpr_mnt)));
+		return (EBUSY);
+	}
+	mutex_exit(&mvp->v_lock);
+
+	/*
+	 * allocate the first vnode
+	 */
+	zone_hold(lxpr_mnt->lxprm_zone = zone);
+
+	/* Arbitrarily set the parent vnode to the mounted over directory */
+	lxpr_mnt->lxprm_node = lxpr_getnode(mvp, LXPR_PROCDIR, NULL, 0);
+
+	/* Correctly set the fs for the root node */
+	lxpr_mnt->lxprm_node->lxpr_vnode->v_vfsp = vfsp;
+
+	vfs_make_fsid(&vfsp->vfs_fsid, lxprocdev, lxprocfstype);
+	vfsp->vfs_bsize = DEV_BSIZE;
+	vfsp->vfs_fstype = lxprocfstype;
+	vfsp->vfs_data = (caddr_t)lxpr_mnt;
+	vfsp->vfs_dev = lxprocdev;
+
+	mutex_exit(&lxpr_mount_lock);
+
+	return (0);
+}
+
+static int
+lxpr_unmount(vfs_t *vfsp, int flag, cred_t *cr)
+{
+	lxpr_mnt_t *lxpr_mnt = (lxpr_mnt_t *)vfsp->vfs_data;
+	vnode_t *vp;
+	int count;
+
+	ASSERT(lxpr_mnt != NULL);
+	vp = LXPTOV(lxpr_mnt->lxprm_node);
+
+	mutex_enter(&lxpr_mount_lock);
+
+	/*
+	 * must be root to unmount
+	 */
+	if (secpolicy_fs_unmount(cr, vfsp) != 0) {
+		mutex_exit(&lxpr_mount_lock);
+		return (EPERM);
+	}
+
+	/*
+	 * forced unmount is not supported by this file system
+	 */
+	if (flag & MS_FORCE) {
+		mutex_exit(&lxpr_mount_lock);
+		return (ENOTSUP);
+	}
+
+	/*
+	 * Ensure that no vnodes are in use on this mount point.
+	 */
+	mutex_enter(&vp->v_lock);
+	count = vp->v_count;
+	mutex_exit(&vp->v_lock);
+	if (count > 1) {
+		mutex_exit(&lxpr_mount_lock);
+		return (EBUSY);
+	}
+
+
+	/*
+	 * purge the dnlc cache for vnode entries
+	 * associated with this file system
+	 */
+	count = dnlc_purge_vfsp(vfsp, 0);
+
+	/*
+	 * free up the lxprnode
+	 */
+	lxpr_freenode(lxpr_mnt->lxprm_node);
+	zone_rele(lxpr_mnt->lxprm_zone);
+	kmem_free(lxpr_mnt, sizeof (*lxpr_mnt));
+
+	mutex_exit(&lxpr_mount_lock);
+
+	return (0);
+}
+
+static int
+lxpr_root(vfs_t *vfsp, vnode_t **vpp)
+{
+	lxpr_node_t *lxpnp = ((lxpr_mnt_t *)vfsp->vfs_data)->lxprm_node;
+	vnode_t *vp = LXPTOV(lxpnp);
+
+	VN_HOLD(vp);
+	*vpp = vp;
+	return (0);
+}
+
+static int
+lxpr_statvfs(vfs_t *vfsp, statvfs64_t *sp)
+{
+	int n;
+	dev32_t d32;
+	extern uint_t nproc;
+
+	n = v.v_proc - nproc;
+
+	bzero((caddr_t)sp, sizeof (*sp));
+	sp->f_bsize	= DEV_BSIZE;
+	sp->f_frsize	= DEV_BSIZE;
+	sp->f_blocks	= (fsblkcnt64_t)0;
+	sp->f_bfree	= (fsblkcnt64_t)0;
+	sp->f_bavail	= (fsblkcnt64_t)0;
+	sp->f_files	= (fsfilcnt64_t)v.v_proc + 2;
+	sp->f_ffree	= (fsfilcnt64_t)n;
+	sp->f_favail	= (fsfilcnt64_t)n;
+	(void) cmpldev(&d32, vfsp->vfs_dev);
+	sp->f_fsid	= d32;
+	/* It is guaranteed that vsw_name will fit in f_basetype */
+	(void) strcpy(sp->f_basetype, vfssw[lxprocfstype].vsw_name);
+	sp->f_flag = vf_to_stf(vfsp->vfs_flag);
+	sp->f_namemax = 64;		/* quite arbitrary */
+	bzero(sp->f_fstr, sizeof (sp->f_fstr));
+
+	/* We know f_fstr is 32 chars */
+	(void) strcpy(sp->f_fstr, "/proc");
+	(void) strcpy(&sp->f_fstr[6], "/proc");
+
+	return (0);
+}
diff --git a/usr/src/uts/common/brand/lx/procfs/lx_prvnops.c b/usr/src/uts/common/brand/lx/procfs/lx_prvnops.c
new file mode 100644
index 0000000000..7267033a1c
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/procfs/lx_prvnops.c
@@ -0,0 +1,5295 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * lx_proc -- a Linux-compatible /proc for the LX brand
+ *
+ * We have -- confusingly -- two implementations of Linux /proc.  One is to
+ * support native (but Linux-borne) programs that wish to view the native
+ * system through the Linux /proc model; the other -- this one -- is to
+ * support Linux binaries via the LX brand.  These two implementations differ
+ * greatly in their aspirations (and their willingness to bend the truth
+ * of the system to accommodate those aspirations); they should not be unified.
+ */
+
+#include <sys/cpupart.h>
+#include <sys/cpuvar.h>
+#include <sys/session.h>
+#include <sys/vmparam.h>
+#include <sys/mman.h>
+#include <vm/rm.h>
+#include <vm/seg_vn.h>
+#include <sys/sdt.h>
+#include <lx_signum.h>
+#include <sys/strlog.h>
+#include <sys/stropts.h>
+#include <sys/cmn_err.h>
+#include <sys/lx_brand.h>
+#include <sys/x86_archext.h>
+#include <sys/archsystm.h>
+#include <sys/fp.h>
+#include <sys/pool_pset.h>
+#include <sys/pset.h>
+#include <sys/zone.h>
+#include <sys/pghw.h>
+#include <sys/vfs_opreg.h>
+#include <sys/param.h>
+#include <sys/utsname.h>
+#include <sys/rctl.h>
+#include <sys/kstat.h>
+#include <sys/lx_misc.h>
+#include <sys/brand.h>
+#include <sys/cred_impl.h>
+#include <sys/tihdr.h>
+#include <inet/ip.h>
+#include <inet/ip_ire.h>
+#include <inet/ip6.h>
+#include <inet/ip_if.h>
+#include <inet/tcp.h>
+#include <inet/udp_impl.h>
+#include <inet/ipclassifier.h>
+#include <sys/socketvar.h>
+#include <fs/sockfs/socktpi.h>
+
+/* Dependent on procfs */
+extern kthread_t *prchoose(proc_t *);
+extern int prreadargv(proc_t *, char *, size_t, size_t *);
+
+#include "lx_proc.h"
+
+extern pgcnt_t swapfs_minfree;
+extern time_t boot_time;
+
+/*
+ * Pointer to the vnode ops vector for this fs.
+ * This is instantiated in lxprinit() in lxpr_vfsops.c
+ */
+vnodeops_t *lxpr_vnodeops;
+
+static int lxpr_open(vnode_t **, int, cred_t *, caller_context_t *);
+static int lxpr_close(vnode_t *, int, int, offset_t, cred_t *,
+    caller_context_t *);
+static int lxpr_read(vnode_t *, uio_t *, int, cred_t *, caller_context_t *);
+static int lxpr_getattr(vnode_t *, vattr_t *, int, cred_t *,
+    caller_context_t *);
+static int lxpr_access(vnode_t *, int, int, cred_t *, caller_context_t *);
+static int lxpr_lookup(vnode_t *, char *, vnode_t **,
+    pathname_t *, int, vnode_t *, cred_t *, caller_context_t *, int *,
+    pathname_t *);
+static int lxpr_readdir(vnode_t *, uio_t *, cred_t *, int *,
+    caller_context_t *, int);
+static int lxpr_readlink(vnode_t *, uio_t *, cred_t *, caller_context_t *);
+static int lxpr_readlink_pid_fd(lxpr_node_t *lxpnp, char *bp, size_t len);
+static int lxpr_cmp(vnode_t *, vnode_t *, caller_context_t *);
+static int lxpr_realvp(vnode_t *, vnode_t **, caller_context_t *);
+static int lxpr_sync(void);
+static void lxpr_inactive(vnode_t *, cred_t *, caller_context_t *);
+
+static vnode_t *lxpr_lookup_procdir(vnode_t *, char *);
+static vnode_t *lxpr_lookup_piddir(vnode_t *, char *);
+static vnode_t *lxpr_lookup_not_a_dir(vnode_t *, char *);
+static vnode_t *lxpr_lookup_fddir(vnode_t *, char *);
+static vnode_t *lxpr_lookup_netdir(vnode_t *, char *);
+static vnode_t *lxpr_lookup_sysdir(vnode_t *, char *);
+static vnode_t *lxpr_lookup_sys_fsdir(vnode_t *, char *);
+static vnode_t *lxpr_lookup_sys_fs_inotifydir(vnode_t *, char *);
+static vnode_t *lxpr_lookup_sys_kerneldir(vnode_t *, char *);
+static vnode_t *lxpr_lookup_taskdir(vnode_t *, char *);
+static vnode_t *lxpr_lookup_task_tid_dir(vnode_t *, char *);
+
+static int lxpr_readdir_procdir(lxpr_node_t *, uio_t *, int *);
+static int lxpr_readdir_piddir(lxpr_node_t *, uio_t *, int *);
+static int lxpr_readdir_not_a_dir(lxpr_node_t *, uio_t *, int *);
+static int lxpr_readdir_fddir(lxpr_node_t *, uio_t *, int *);
+static int lxpr_readdir_netdir(lxpr_node_t *, uio_t *, int *);
+static int lxpr_readdir_sysdir(lxpr_node_t *, uio_t *, int *);
+static int lxpr_readdir_sys_fsdir(lxpr_node_t *, uio_t *, int *);
+static int lxpr_readdir_sys_fs_inotifydir(lxpr_node_t *, uio_t *, int *);
+static int lxpr_readdir_sys_kerneldir(lxpr_node_t *, uio_t *, int *);
+static int lxpr_readdir_taskdir(lxpr_node_t *, uio_t *, int *);
+static int lxpr_readdir_task_tid_dir(lxpr_node_t *, uio_t *, int *);
+
+static void lxpr_read_invalid(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_empty(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_cpuinfo(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_diskstats(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_isdir(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_fd(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_kmsg(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_loadavg(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_meminfo(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_mounts(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_partitions(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_stat(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_swaps(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_uptime(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_version(lxpr_node_t *, lxpr_uiobuf_t *);
+
+static void lxpr_read_pid_cmdline(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_pid_limits(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_pid_maps(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_pid_mountinfo(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_pid_stat(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_pid_statm(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_pid_status(lxpr_node_t *, lxpr_uiobuf_t *);
+
+static void lxpr_read_pid_tid_stat(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_pid_tid_status(lxpr_node_t *, lxpr_uiobuf_t *);
+
+static void lxpr_read_net_arp(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_dev(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_dev_mcast(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_if_inet6(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_igmp(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_ip_mr_cache(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_ip_mr_vif(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_ipv6_route(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_mcfilter(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_netstat(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_raw(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_route(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_rpc(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_rt_cache(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_sockstat(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_snmp(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_stat(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_tcp(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_tcp6(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_udp(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_udp6(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_unix(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_sys_fs_inotify_max_queued_events(lxpr_node_t *,
+    lxpr_uiobuf_t *);
+static void lxpr_read_sys_fs_inotify_max_user_instances(lxpr_node_t *,
+    lxpr_uiobuf_t *);
+static void lxpr_read_sys_fs_inotify_max_user_watches(lxpr_node_t *,
+    lxpr_uiobuf_t *);
+static void lxpr_read_sys_kernel_hostname(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_sys_kernel_msgmni(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_sys_kernel_ngroups_max(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_sys_kernel_pid_max(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_sys_kernel_shmmax(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_sys_kernel_threads_max(lxpr_node_t *, lxpr_uiobuf_t *);
+
+/*
+ * Simple conversion
+ */
+#define	btok(x)	((x) >> 10)			/* bytes to kbytes */
+#define	ptok(x)	((x) << (PAGESHIFT - 10))	/* pages to kbytes */
+
+#define	ttolxlwp(t)	((struct lx_lwp_data *)ttolwpbrand(t))
+
+extern rctl_hndl_t rc_zone_msgmni;
+extern rctl_hndl_t rc_zone_shmmax;
+#define	FOURGB	4294967295
+
+/*
+ * The maximum length of the concatenation of argument vector strings we
+ * will return to the user via the branded procfs:
+ */
+int lxpr_maxargvlen = 4096;
+
+/*
+ * The lx /proc vnode operations vector
+ */
+const fs_operation_def_t lxpr_vnodeops_template[] = {
+	VOPNAME_OPEN,		{ .vop_open = lxpr_open },
+	VOPNAME_CLOSE,		{ .vop_close = lxpr_close },
+	VOPNAME_READ,		{ .vop_read = lxpr_read },
+	VOPNAME_GETATTR,	{ .vop_getattr = lxpr_getattr },
+	VOPNAME_ACCESS,		{ .vop_access = lxpr_access },
+	VOPNAME_LOOKUP,		{ .vop_lookup = lxpr_lookup },
+	VOPNAME_READDIR,	{ .vop_readdir = lxpr_readdir },
+	VOPNAME_READLINK,	{ .vop_readlink = lxpr_readlink },
+	VOPNAME_FSYNC,		{ .error = lxpr_sync },
+	VOPNAME_SEEK,		{ .error = lxpr_sync },
+	VOPNAME_INACTIVE,	{ .vop_inactive = lxpr_inactive },
+	VOPNAME_CMP,		{ .vop_cmp = lxpr_cmp },
+	VOPNAME_REALVP,		{ .vop_realvp = lxpr_realvp },
+	NULL,			NULL
+};
+
+
+/*
+ * file contents of an lx /proc directory.
+ */
+static lxpr_dirent_t lx_procdir[] = {
+	{ LXPR_CMDLINE,		"cmdline" },
+	{ LXPR_CPUINFO,		"cpuinfo" },
+	{ LXPR_DEVICES,		"devices" },
+	{ LXPR_DISKSTATS,	"diskstats" },
+	{ LXPR_DMA,		"dma" },
+	{ LXPR_FILESYSTEMS,	"filesystems" },
+	{ LXPR_INTERRUPTS,	"interrupts" },
+	{ LXPR_IOPORTS,		"ioports" },
+	{ LXPR_KCORE,		"kcore" },
+	{ LXPR_KMSG,		"kmsg" },
+	{ LXPR_LOADAVG,		"loadavg" },
+	{ LXPR_MEMINFO,		"meminfo" },
+	{ LXPR_MODULES,		"modules" },
+	{ LXPR_MOUNTS,		"mounts" },
+	{ LXPR_NETDIR,		"net" },
+	{ LXPR_PARTITIONS,	"partitions" },
+	{ LXPR_SELF,		"self" },
+	{ LXPR_STAT,		"stat" },
+	{ LXPR_SWAPS,		"swaps" },
+	{ LXPR_SYSDIR,		"sys" },
+	{ LXPR_UPTIME,		"uptime" },
+	{ LXPR_VERSION,		"version" }
+};
+
+#define	PROCDIRFILES	(sizeof (lx_procdir) / sizeof (lx_procdir[0]))
+
+/*
+ * Contents of an lx /proc/<pid> directory.
+ */
+static lxpr_dirent_t piddir[] = {
+	{ LXPR_PID_CMDLINE,	"cmdline" },
+	{ LXPR_PID_CPU,		"cpu" },
+	{ LXPR_PID_CURDIR,	"cwd" },
+	{ LXPR_PID_ENV,		"environ" },
+	{ LXPR_PID_EXE,		"exe" },
+	{ LXPR_PID_LIMITS,	"limits" },
+	{ LXPR_PID_MAPS,	"maps" },
+	{ LXPR_PID_MEM,		"mem" },
+	{ LXPR_PID_MOUNTINFO,	"mountinfo" },
+	{ LXPR_PID_ROOTDIR,	"root" },
+	{ LXPR_PID_STAT,	"stat" },
+	{ LXPR_PID_STATM,	"statm" },
+	{ LXPR_PID_STATUS,	"status" },
+	{ LXPR_PID_TASKDIR,	"task" },
+	{ LXPR_PID_FDDIR,	"fd" }
+};
+
+#define	PIDDIRFILES	(sizeof (piddir) / sizeof (piddir[0]))
+
+/*
+ * Contents of an lx /proc/<pid>/task/<tid> directory.
+ */
+static lxpr_dirent_t tiddir[] = {
+	{ LXPR_PID_CMDLINE,	"cmdline" },
+	{ LXPR_PID_CPU,		"cpu" },
+	{ LXPR_PID_CURDIR,	"cwd" },
+	{ LXPR_PID_ENV,		"environ" },
+	{ LXPR_PID_EXE,		"exe" },
+	{ LXPR_PID_LIMITS,	"limits" },
+	{ LXPR_PID_MAPS,	"maps" },
+	{ LXPR_PID_MEM,		"mem" },
+	{ LXPR_PID_MOUNTINFO,	"mountinfo" },
+	{ LXPR_PID_ROOTDIR,	"root" },
+	{ LXPR_PID_TID_STAT,	"stat" },
+	{ LXPR_PID_STATM,	"statm" },
+	{ LXPR_PID_TID_STATUS,	"status" },
+	{ LXPR_PID_FDDIR,	"fd" }
+};
+
+#define	TIDDIRFILES	(sizeof (tiddir) / sizeof (tiddir[0]))
+
+#define	LX_RLIM_INFINITY	0xFFFFFFFFFFFFFFFF
+
+#define	RCTL_INFINITE(x) \
+	((x->rcv_flagaction & RCTL_LOCAL_MAXIMAL) && \
+	(x->rcv_flagaction & RCTL_GLOBAL_INFINITE))
+
+typedef struct lxpr_rlimtab {
+	char	*rlim_name;	/* limit name */
+	char	*rlim_unit;	/* limit unit */
+	char	*rlim_rctl;	/* rctl source */
+} lxpr_rlimtab_t;
+
+static lxpr_rlimtab_t lxpr_rlimtab[] = {
+	{ "Max cpu time",	"seconds",	"process.max-cpu-time" },
+	{ "Max file size",	"bytes",	"process.max-file-size" },
+	{ "Max data size",	"bytes",	"process.max-data-size" },
+	{ "Max stack size",	"bytes",	"process.max-stack-size" },
+	{ "Max core file size",	"bytes",	"process.max-core-size" },
+	{ "Max resident set",	"bytes",	"zone.max-physical-memory" },
+	{ "Max processes",	"processes",	"zone.max-lwps" },
+	{ "Max open files",	"files",	"process.max-file-descriptor" },
+	{ "Max locked memory",	"bytes",	"zone.max-locked-memory" },
+	{ "Max address space",	"bytes",	"process.max-address-space" },
+	{ "Max file locks",	"locks",	NULL },
+	{ "Max pending signals",	"signals",
+		"process.max-sigqueue-size" },
+	{ "Max msgqueue size",	"bytes",	"process.max-msg-messages" },
+	{ NULL, NULL, NULL }
+};
+
+
+/*
+ * contents of lx /proc/net directory
+ */
+static lxpr_dirent_t netdir[] = {
+	{ LXPR_NET_ARP,		"arp" },
+	{ LXPR_NET_DEV,		"dev" },
+	{ LXPR_NET_DEV_MCAST,	"dev_mcast" },
+	{ LXPR_NET_IF_INET6,	"if_inet6" },
+	{ LXPR_NET_IGMP,	"igmp" },
+	{ LXPR_NET_IP_MR_CACHE,	"ip_mr_cache" },
+	{ LXPR_NET_IP_MR_VIF,	"ip_mr_vif" },
+	{ LXPR_NET_IPV6_ROUTE,	"ipv6_route" },
+	{ LXPR_NET_MCFILTER,	"mcfilter" },
+	{ LXPR_NET_NETSTAT,	"netstat" },
+	{ LXPR_NET_RAW,		"raw" },
+	{ LXPR_NET_ROUTE,	"route" },
+	{ LXPR_NET_RPC,		"rpc" },
+	{ LXPR_NET_RT_CACHE,	"rt_cache" },
+	{ LXPR_NET_SOCKSTAT,	"sockstat" },
+	{ LXPR_NET_SNMP,	"snmp" },
+	{ LXPR_NET_STAT,	"stat" },
+	{ LXPR_NET_TCP,		"tcp" },
+	{ LXPR_NET_TCP6,	"tcp6" },
+	{ LXPR_NET_UDP,		"udp" },
+	{ LXPR_NET_UDP6,	"udp6" },
+	{ LXPR_NET_UNIX,	"unix" }
+};
+
+#define	NETDIRFILES	(sizeof (netdir) / sizeof (netdir[0]))
+
+/*
+ * contents of /proc/sys directory
+ */
+static lxpr_dirent_t sysdir[] = {
+	{ LXPR_SYS_FSDIR,	"fs" },
+	{ LXPR_SYS_KERNELDIR,	"kernel" },
+};
+
+#define	SYSDIRFILES	(sizeof (sysdir) / sizeof (sysdir[0]))
+
+/*
+ * contents of /proc/sys/fs directory
+ */
+static lxpr_dirent_t sys_fsdir[] = {
+	{ LXPR_SYS_FS_INOTIFYDIR,	"inotify" },
+};
+
+#define	SYS_FSDIRFILES (sizeof (sys_fsdir) / sizeof (sys_fsdir[0]))
+
+/*
+ * contents of /proc/sys/fs/inotify directory
+ */
+static lxpr_dirent_t sys_fs_inotifydir[] = {
+	{ LXPR_SYS_FS_INOTIFY_MAX_QUEUED_EVENTS,	"max_queued_events" },
+	{ LXPR_SYS_FS_INOTIFY_MAX_USER_INSTANCES,	"max_user_instances" },
+	{ LXPR_SYS_FS_INOTIFY_MAX_USER_WATCHES,		"max_user_watches" },
+};
+
+#define	SYS_FS_INOTIFYDIRFILES \
+	(sizeof (sys_fs_inotifydir) / sizeof (sys_fs_inotifydir[0]))
+
+/*
+ * contents of /proc/sys/kernel directory
+ */
+static lxpr_dirent_t sys_kerneldir[] = {
+	{ LXPR_SYS_KERNEL_HOSTNAME,	"hostname" },
+	{ LXPR_SYS_KERNEL_MSGMNI,	"msgmni" },
+	{ LXPR_SYS_KERNEL_NGROUPS_MAX,	"ngroups_max" },
+	{ LXPR_SYS_KERNEL_PID_MAX,	"pid_max" },
+	{ LXPR_SYS_KERNEL_SHMMAX,	"shmmax" },
+	{ LXPR_SYS_KERNEL_THREADS_MAX,	"threads-max" },
+};
+
+#define	SYS_KERNELDIRFILES (sizeof (sys_kerneldir) / sizeof (sys_kerneldir[0]))
+
+/*
+ * lxpr_open(): Vnode operation for VOP_OPEN()
+ */
+static int
+lxpr_open(vnode_t **vpp, int flag, cred_t *cr, caller_context_t *ct)
+{
+	vnode_t		*vp = *vpp;
+	lxpr_node_t	*lxpnp = VTOLXP(vp);
+	lxpr_nodetype_t	type = lxpnp->lxpr_type;
+	vnode_t		*rvp;
+	int		error = 0;
+
+	/*
+	 * We only allow reading in this file systrem
+	 */
+	if (flag & FWRITE)
+		return (EROFS);
+
+	/*
+	 * If we are opening an underlying file only allow regular files,
+	 * fifos or sockets; reject the open for anything else.
+	 * Just do it if we are opening the current or root directory.
+	 */
+	if (lxpnp->lxpr_realvp != NULL) {
+		rvp = lxpnp->lxpr_realvp;
+
+		if (type == LXPR_PID_FD_FD && rvp->v_type != VREG &&
+		    rvp->v_type != VFIFO && rvp->v_type != VSOCK) {
+			error = EACCES;
+		} else {
+			if (type == LXPR_PID_FD_FD && rvp->v_type == VFIFO) {
+				/*
+				 * This flag lets the fifo open know that
+				 * we're using proc/fd to open a fd which we
+				 * already have open. Otherwise, the fifo might
+				 * reject an open if the other end has closed.
+				 */
+				flag |= FKLYR;
+			}
+			/*
+			 * Need to hold rvp since VOP_OPEN() may release it.
+			 */
+			VN_HOLD(rvp);
+			error = VOP_OPEN(&rvp, flag, cr, ct);
+			if (error) {
+				VN_RELE(rvp);
+			} else {
+				*vpp = rvp;
+				VN_RELE(vp);
+			}
+		}
+	}
+
+	return (error);
+}
+
+
+/*
+ * lxpr_close(): Vnode operation for VOP_CLOSE()
+ */
+/* ARGSUSED */
+static int
+lxpr_close(vnode_t *vp, int flag, int count, offset_t offset, cred_t *cr,
+    caller_context_t *ct)
+{
+	lxpr_node_t	*lxpr = VTOLXP(vp);
+	lxpr_nodetype_t	type = lxpr->lxpr_type;
+
+	/*
+	 * we should never get here because the close is done on the realvp
+	 * for these nodes
+	 */
+	ASSERT(type != LXPR_PID_FD_FD &&
+	    type != LXPR_PID_CURDIR &&
+	    type != LXPR_PID_ROOTDIR &&
+	    type != LXPR_PID_EXE);
+
+	return (0);
+}
+
+static void (*lxpr_read_function[LXPR_NFILES])() = {
+	lxpr_read_isdir,		/* /proc		*/
+	lxpr_read_isdir,		/* /proc/<pid>		*/
+	lxpr_read_pid_cmdline,		/* /proc/<pid>/cmdline	*/
+	lxpr_read_empty,		/* /proc/<pid>/cpu	*/
+	lxpr_read_invalid,		/* /proc/<pid>/cwd	*/
+	lxpr_read_empty,		/* /proc/<pid>/environ	*/
+	lxpr_read_invalid,		/* /proc/<pid>/exe	*/
+	lxpr_read_pid_limits,		/* /proc/<pid>/limits	*/
+	lxpr_read_pid_maps,		/* /proc/<pid>/maps	*/
+	lxpr_read_empty,		/* /proc/<pid>/mem	*/
+	lxpr_read_pid_mountinfo,	/* /proc/<pid>/mountinfo */
+	lxpr_read_invalid,		/* /proc/<pid>/root	*/
+	lxpr_read_pid_stat,		/* /proc/<pid>/stat	*/
+	lxpr_read_pid_statm,		/* /proc/<pid>/statm	*/
+	lxpr_read_pid_status,		/* /proc/<pid>/status	*/
+	lxpr_read_isdir,		/* /proc/<pid>/task	*/
+	lxpr_read_isdir,		/* /proc/<pid>/task/nn	*/
+	lxpr_read_isdir,		/* /proc/<pid>/fd	*/
+	lxpr_read_fd,			/* /proc/<pid>/fd/nn	*/
+	lxpr_read_pid_cmdline,		/* /proc/<pid>/task/<tid>/cmdline */
+	lxpr_read_empty,		/* /proc/<pid>/task/<tid>/cpu	*/
+	lxpr_read_invalid,		/* /proc/<pid>/task/<tid>/cwd	*/
+	lxpr_read_empty,		/* /proc/<pid>/task/<tid>/environ */
+	lxpr_read_invalid,		/* /proc/<pid>/task/<tid>/exe	*/
+	lxpr_read_pid_limits,		/* /proc/<pid>/task/<tid>/limits */
+	lxpr_read_pid_maps,		/* /proc/<pid>/task/<tid>/maps	*/
+	lxpr_read_empty,		/* /proc/<pid>/task/<tid>/mem	*/
+	lxpr_read_pid_mountinfo,	/* /proc/<pid>/task/<tid>/mountinfo */
+	lxpr_read_invalid,		/* /proc/<pid>/task/<tid>/root	*/
+	lxpr_read_pid_tid_stat,		/* /proc/<pid>/task/<tid>/stat	*/
+	lxpr_read_pid_statm,		/* /proc/<pid>/task/<tid>/statm	*/
+	lxpr_read_pid_tid_status,	/* /proc/<pid>/task/<tid>/status */
+	lxpr_read_isdir,		/* /proc/<pid>/task/<tid>/fd	*/
+	lxpr_read_fd,			/* /proc/<pid>/task/<tid>/fd/nn	*/
+	lxpr_read_empty,		/* /proc/cmdline	*/
+	lxpr_read_cpuinfo,		/* /proc/cpuinfo	*/
+	lxpr_read_empty,		/* /proc/devices	*/
+	lxpr_read_diskstats,		/* /proc/diskstats	*/
+	lxpr_read_empty,		/* /proc/dma		*/
+	lxpr_read_empty,		/* /proc/filesystems	*/
+	lxpr_read_empty,		/* /proc/interrupts	*/
+	lxpr_read_empty,		/* /proc/ioports	*/
+	lxpr_read_empty,		/* /proc/kcore		*/
+	lxpr_read_kmsg,			/* /proc/kmsg		*/
+	lxpr_read_loadavg,		/* /proc/loadavg	*/
+	lxpr_read_meminfo,		/* /proc/meminfo	*/
+	lxpr_read_empty,		/* /proc/modules	*/
+	lxpr_read_mounts,		/* /proc/mounts		*/
+	lxpr_read_isdir,		/* /proc/net		*/
+	lxpr_read_net_arp,		/* /proc/net/arp	*/
+	lxpr_read_net_dev,		/* /proc/net/dev	*/
+	lxpr_read_net_dev_mcast,	/* /proc/net/dev_mcast	*/
+	lxpr_read_net_if_inet6,		/* /proc/net/if_inet6	*/
+	lxpr_read_net_igmp,		/* /proc/net/igmp	*/
+	lxpr_read_net_ip_mr_cache,	/* /proc/net/ip_mr_cache */
+	lxpr_read_net_ip_mr_vif,	/* /proc/net/ip_mr_vif	*/
+	lxpr_read_net_ipv6_route,	/* /proc/net/ipv6_route	*/
+	lxpr_read_net_mcfilter,		/* /proc/net/mcfilter	*/
+	lxpr_read_net_netstat,		/* /proc/net/netstat	*/
+	lxpr_read_net_raw,		/* /proc/net/raw	*/
+	lxpr_read_net_route,		/* /proc/net/route	*/
+	lxpr_read_net_rpc,		/* /proc/net/rpc	*/
+	lxpr_read_net_rt_cache,		/* /proc/net/rt_cache	*/
+	lxpr_read_net_sockstat,		/* /proc/net/sockstat	*/
+	lxpr_read_net_snmp,		/* /proc/net/snmp	*/
+	lxpr_read_net_stat,		/* /proc/net/stat	*/
+	lxpr_read_net_tcp,		/* /proc/net/tcp	*/
+	lxpr_read_net_tcp6,		/* /proc/net/tcp6	*/
+	lxpr_read_net_udp,		/* /proc/net/udp	*/
+	lxpr_read_net_udp6,		/* /proc/net/udp6	*/
+	lxpr_read_net_unix,		/* /proc/net/unix	*/
+	lxpr_read_partitions,		/* /proc/partitions	*/
+	lxpr_read_invalid,		/* /proc/self		*/
+	lxpr_read_stat,			/* /proc/stat		*/
+	lxpr_read_swaps,		/* /proc/swaps		*/
+	lxpr_read_invalid,		/* /proc/sys		*/
+	lxpr_read_invalid,		/* /proc/sys/fs		*/
+	lxpr_read_invalid,		/* /proc/sys/fs/inotify	*/
+	lxpr_read_sys_fs_inotify_max_queued_events, /* max_queued_events */
+	lxpr_read_sys_fs_inotify_max_user_instances, /* max_user_instances */
+	lxpr_read_sys_fs_inotify_max_user_watches, /* max_user_watches */
+	lxpr_read_invalid,		/* /proc/sys/kernel	*/
+	lxpr_read_sys_kernel_hostname,	/* /proc/sys/kernel/hostname */
+	lxpr_read_sys_kernel_msgmni,	/* /proc/sys/kernel/msgmni */
+	lxpr_read_sys_kernel_ngroups_max, /* /proc/sys/kernel/ngroups_max */
+	lxpr_read_sys_kernel_pid_max,	/* /proc/sys/kernel/pid_max */
+	lxpr_read_sys_kernel_shmmax,	/* /proc/sys/kernel/shmmax */
+	lxpr_read_sys_kernel_threads_max, /* /proc/sys/kernel/threads-max */
+	lxpr_read_uptime,		/* /proc/uptime		*/
+	lxpr_read_version,		/* /proc/version	*/
+};
+
+/*
+ * Array of lookup functions, indexed by lx /proc file type.
+ */
+static vnode_t *(*lxpr_lookup_function[LXPR_NFILES])() = {
+	lxpr_lookup_procdir,		/* /proc		*/
+	lxpr_lookup_piddir,		/* /proc/<pid>		*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/cmdline	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/cpu	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/cwd	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/environ	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/exe	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/limits	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/maps	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/mem	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/mountinfo */
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/root	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/stat	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/statm	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/status	*/
+	lxpr_lookup_taskdir,		/* /proc/<pid>/task	*/
+	lxpr_lookup_task_tid_dir,	/* /proc/<pid>/task/nn	*/
+	lxpr_lookup_fddir,		/* /proc/<pid>/fd	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/fd/nn	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/task/<tid>/cmdline */
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/task/<tid>/cpu	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/task/<tid>/cwd	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/task/<tid>/environ */
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/task/<tid>/exe	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/task/<tid>/limits */
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/task/<tid>/maps	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/task/<tid>/mem	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/task/<tid>/mountinfo */
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/task/<tid>/root	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/task/<tid>/stat	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/task/<tid>/statm	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/task/<tid>/status */
+	lxpr_lookup_fddir,		/* /proc/<pid>/task/<tid>/fd	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/task/<tid>/fd/nn	*/
+	lxpr_lookup_not_a_dir,		/* /proc/cmdline	*/
+	lxpr_lookup_not_a_dir,		/* /proc/cpuinfo	*/
+	lxpr_lookup_not_a_dir,		/* /proc/devices	*/
+	lxpr_lookup_not_a_dir,		/* /proc/diskstats	*/
+	lxpr_lookup_not_a_dir,		/* /proc/dma		*/
+	lxpr_lookup_not_a_dir,		/* /proc/filesystems	*/
+	lxpr_lookup_not_a_dir,		/* /proc/interrupts	*/
+	lxpr_lookup_not_a_dir,		/* /proc/ioports	*/
+	lxpr_lookup_not_a_dir,		/* /proc/kcore		*/
+	lxpr_lookup_not_a_dir,		/* /proc/kmsg		*/
+	lxpr_lookup_not_a_dir,		/* /proc/loadavg	*/
+	lxpr_lookup_not_a_dir,		/* /proc/meminfo	*/
+	lxpr_lookup_not_a_dir,		/* /proc/modules	*/
+	lxpr_lookup_not_a_dir,		/* /proc/mounts		*/
+	lxpr_lookup_netdir,		/* /proc/net		*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/arp	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/dev	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/dev_mcast	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/if_inet6	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/igmp	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/ip_mr_cache */
+	lxpr_lookup_not_a_dir,		/* /proc/net/ip_mr_vif	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/ipv6_route	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/mcfilter	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/netstat	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/raw	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/route	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/rpc	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/rt_cache	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/sockstat	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/snmp	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/stat	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/tcp	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/tcp6	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/udp	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/udp6	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/unix	*/
+	lxpr_lookup_not_a_dir,		/* /proc/partitions	*/
+	lxpr_lookup_not_a_dir,		/* /proc/self		*/
+	lxpr_lookup_not_a_dir,		/* /proc/stat		*/
+	lxpr_lookup_not_a_dir,		/* /proc/swaps		*/
+	lxpr_lookup_sysdir,		/* /proc/sys		*/
+	lxpr_lookup_sys_fsdir,		/* /proc/sys/fs		*/
+	lxpr_lookup_sys_fs_inotifydir,	/* /proc/sys/fs/inotify	*/
+	lxpr_lookup_not_a_dir,		/* .../inotify/max_queued_events */
+	lxpr_lookup_not_a_dir,		/* .../inotify/max_user_instances */
+	lxpr_lookup_not_a_dir,		/* .../inotify/max_user_watches */
+	lxpr_lookup_sys_kerneldir,	/* /proc/sys/kernel	*/
+	lxpr_lookup_not_a_dir,		/* /proc/sys/kernel/hostname */
+	lxpr_lookup_not_a_dir,		/* /proc/sys/kernel/msgmni */
+	lxpr_lookup_not_a_dir,		/* /proc/sys/kernel/ngroups_max */
+	lxpr_lookup_not_a_dir,		/* /proc/sys/kernel/pid_max */
+	lxpr_lookup_not_a_dir,		/* /proc/sys/kernel/shmmax */
+	lxpr_lookup_not_a_dir,		/* /proc/sys/kernel/threads-max */
+	lxpr_lookup_not_a_dir,		/* /proc/uptime		*/
+	lxpr_lookup_not_a_dir,		/* /proc/version	*/
+};
+
+/*
+ * Array of readdir functions, indexed by /proc file type.
+ */
+static int (*lxpr_readdir_function[LXPR_NFILES])() = {
+	lxpr_readdir_procdir,		/* /proc		*/
+	lxpr_readdir_piddir,		/* /proc/<pid>		*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/cmdline	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/cpu	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/cwd	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/environ	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/exe	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/limits	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/maps	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/mem	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/mountinfo */
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/root	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/stat	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/statm	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/status	*/
+	lxpr_readdir_taskdir,		/* /proc/<pid>/task	*/
+	lxpr_readdir_task_tid_dir,	/* /proc/<pid>/task/nn	*/
+	lxpr_readdir_fddir,		/* /proc/<pid>/fd	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/fd/nn	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/task/<tid>/cmdline */
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/task/<tid>/cpu	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/task/<tid>/cwd	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/task/<tid>/environ */
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/task/<tid>/exe	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/task/<tid>/limits */
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/task/<tid>/maps	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/task/<tid>/mem	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/task/<tid>/mountinfo */
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/task/<tid>/root	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/task/<tid>/stat	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/task/<tid>/statm	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/task/<tid>/status */
+	lxpr_readdir_fddir,		/* /proc/<pid>/task/<tid>/fd	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/task/<tid>/fd/nn	*/
+	lxpr_readdir_not_a_dir,		/* /proc/cmdline	*/
+	lxpr_readdir_not_a_dir,		/* /proc/cpuinfo	*/
+	lxpr_readdir_not_a_dir,		/* /proc/devices	*/
+	lxpr_readdir_not_a_dir,		/* /proc/diskstats	*/
+	lxpr_readdir_not_a_dir,		/* /proc/dma		*/
+	lxpr_readdir_not_a_dir,		/* /proc/filesystems	*/
+	lxpr_readdir_not_a_dir,		/* /proc/interrupts	*/
+	lxpr_readdir_not_a_dir,		/* /proc/ioports	*/
+	lxpr_readdir_not_a_dir,		/* /proc/kcore		*/
+	lxpr_readdir_not_a_dir,		/* /proc/kmsg		*/
+	lxpr_readdir_not_a_dir,		/* /proc/loadavg	*/
+	lxpr_readdir_not_a_dir,		/* /proc/meminfo	*/
+	lxpr_readdir_not_a_dir,		/* /proc/modules	*/
+	lxpr_readdir_not_a_dir,		/* /proc/mounts		*/
+	lxpr_readdir_netdir,		/* /proc/net		*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/arp	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/dev	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/dev_mcast	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/if_inet6	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/igmp	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/ip_mr_cache */
+	lxpr_readdir_not_a_dir,		/* /proc/net/ip_mr_vif	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/ipv6_route	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/mcfilter	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/netstat	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/raw	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/route	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/rpc	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/rt_cache	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/sockstat	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/snmp	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/stat	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/tcp	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/tcp6	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/udp	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/udp6	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/unix	*/
+	lxpr_readdir_not_a_dir,		/* /proc/partitions	*/
+	lxpr_readdir_not_a_dir,		/* /proc/self		*/
+	lxpr_readdir_not_a_dir,		/* /proc/stat		*/
+	lxpr_readdir_not_a_dir,		/* /proc/swaps		*/
+	lxpr_readdir_sysdir,		/* /proc/sys		*/
+	lxpr_readdir_sys_fsdir,		/* /proc/sys/fs		*/
+	lxpr_readdir_sys_fs_inotifydir,	/* /proc/sys/fs/inotify	*/
+	lxpr_readdir_not_a_dir,		/* .../inotify/max_queued_events */
+	lxpr_readdir_not_a_dir,		/* .../inotify/max_user_instances */
+	lxpr_readdir_not_a_dir,		/* .../inotify/max_user_watches	*/
+	lxpr_readdir_sys_kerneldir,	/* /proc/sys/kernel	*/
+	lxpr_readdir_not_a_dir,		/* /proc/sys/kernel/hostname */
+	lxpr_readdir_not_a_dir,		/* /proc/sys/kernel/msgmni */
+	lxpr_readdir_not_a_dir,		/* /proc/sys/kernel/ngroups_max */
+	lxpr_readdir_not_a_dir,		/* /proc/sys/kernel/pid_max */
+	lxpr_readdir_not_a_dir,		/* /proc/sys/kernel/shmmax */
+	lxpr_readdir_not_a_dir,		/* /proc/sys/kernel/threads-max */
+	lxpr_readdir_not_a_dir,		/* /proc/uptime		*/
+	lxpr_readdir_not_a_dir,		/* /proc/version	*/
+};
+
+
+/*
+ * lxpr_read(): Vnode operation for VOP_READ()
+ *
+ * As the format of all the files that can be read in the lx procfs is human
+ * readable and not binary structures there do not have to be different
+ * read variants depending on whether the reading process model is 32 or 64 bits
+ * (at least in general, and certainly the difference is unlikely to be enough
+ * to justify have different routines for 32 and 64 bit reads
+ */
+/* ARGSUSED */
+static int
+lxpr_read(vnode_t *vp, uio_t *uiop, int ioflag, cred_t *cr,
+    caller_context_t *ct)
+{
+	lxpr_node_t *lxpnp = VTOLXP(vp);
+	lxpr_nodetype_t type = lxpnp->lxpr_type;
+	lxpr_uiobuf_t *uiobuf = lxpr_uiobuf_new(uiop);
+	int error;
+
+	ASSERT(type < LXPR_NFILES);
+
+	if (type == LXPR_KMSG) {
+		ldi_ident_t	li = VTOLXPM(vp)->lxprm_li;
+		struct strioctl	str;
+		int		rv;
+
+		/*
+		 * Open the zone's console device using the layered driver
+		 * interface.
+		 */
+		if ((error = ldi_open_by_name("/dev/log", FREAD, cr,
+		    &lxpnp->lxpr_cons_ldih, li)) != 0)
+			return (error);
+
+		/*
+		 * Send an ioctl to the underlying console device, letting it
+		 * know we're interested in getting console messages.
+		 */
+		str.ic_cmd = I_CONSLOG;
+		str.ic_timout = 0;
+		str.ic_len = 0;
+		str.ic_dp = NULL;
+		if ((error = ldi_ioctl(lxpnp->lxpr_cons_ldih, I_STR,
+		    (intptr_t)&str, FKIOCTL, cr, &rv)) != 0)
+			return (error);
+	}
+
+	lxpr_read_function[type](lxpnp, uiobuf);
+
+	if (type == LXPR_KMSG) {
+		if ((error = ldi_close(lxpnp->lxpr_cons_ldih, FREAD, cr)) != 0)
+			return (error);
+	}
+
+	error = lxpr_uiobuf_flush(uiobuf);
+	lxpr_uiobuf_free(uiobuf);
+
+	return (error);
+}
+
+/*
+ * lxpr_read_invalid(), lxpr_read_isdir(), lxpr_read_empty()
+ *
+ * Various special case reads:
+ * - trying to read a directory
+ * - invalid file (used to mean a file that should be implemented,
+ *   but isn't yet)
+ * - empty file
+ * - wait to be able to read a file that will never have anything to read
+ */
+/* ARGSUSED */
+static void
+lxpr_read_isdir(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	lxpr_uiobuf_seterr(uiobuf, EISDIR);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_invalid(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	lxpr_uiobuf_seterr(uiobuf, EINVAL);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_empty(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/*
+ * lxpr_read_pid_cmdline(): read argument vector from process
+ */
+static void
+lxpr_read_pid_cmdline(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	proc_t *p;
+	char *buf;
+	size_t asz = lxpr_maxargvlen, sz;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_CMDLINE ||
+	    lxpnp->lxpr_type == LXPR_PID_TID_CMDLINE);
+
+	buf = kmem_alloc(asz, KM_SLEEP);
+
+	p = lxpr_lock(lxpnp->lxpr_pid);
+	if (p == NULL) {
+		lxpr_uiobuf_seterr(uiobuf, EINVAL);
+		kmem_free(buf, asz);
+		return;
+	}
+
+	if (prreadargv(p, buf, asz, &sz) != 0) {
+		lxpr_uiobuf_seterr(uiobuf, EINVAL);
+	} else {
+		lxpr_uiobuf_write(uiobuf, buf, sz);
+	}
+
+	lxpr_unlock(p);
+	kmem_free(buf, asz);
+}
+
+/*
+ * lxpr_read_pid_limits(): ulimit file
+ */
+static void
+lxpr_read_pid_limits(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	proc_t *p;
+	rctl_qty_t cur, max;
+	rctl_val_t *oval, *nval;
+	rctl_hndl_t hndl;
+	char *kname;
+	int i;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_LIMITS ||
+	    lxpnp->lxpr_type == LXPR_PID_TID_LIMITS);
+
+	nval = kmem_alloc(sizeof (rctl_val_t), KM_SLEEP);
+
+	p = lxpr_lock(lxpnp->lxpr_pid);
+	if (p == NULL) {
+		kmem_free(nval, sizeof (rctl_val_t));
+		lxpr_uiobuf_seterr(uiobuf, EINVAL);
+		return;
+	}
+
+	lxpr_uiobuf_printf(uiobuf, "%-25s %-20s %-20s %-10s\n",
+	    "Limit", "Soft Limit", "Hard Limit", "Units");
+	for (i = 0; lxpr_rlimtab[i].rlim_name != NULL; i++) {
+		kname = lxpr_rlimtab[i].rlim_rctl;
+		/* default to unlimited for resources without an analog */
+		cur = RLIM_INFINITY;
+		max = RLIM_INFINITY;
+		if (kname != NULL) {
+			hndl = rctl_hndl_lookup(kname);
+			oval = NULL;
+			while ((hndl != -1) &&
+			    rctl_local_get(hndl, oval, nval, p) == 0) {
+				oval = nval;
+				switch (nval->rcv_privilege) {
+				case RCPRIV_BASIC:
+					if (!RCTL_INFINITE(nval))
+						cur = nval->rcv_value;
+					break;
+				case RCPRIV_PRIVILEGED:
+					if (!RCTL_INFINITE(nval))
+						max = nval->rcv_value;
+					break;
+				}
+			}
+		}
+
+		lxpr_uiobuf_printf(uiobuf, "%-25s", lxpr_rlimtab[i].rlim_name);
+		if (cur == RLIM_INFINITY || cur == LX_RLIM_INFINITY) {
+			lxpr_uiobuf_printf(uiobuf, " %-20s", "unlimited");
+		} else {
+			lxpr_uiobuf_printf(uiobuf, " %-20lu", cur);
+		}
+		if (max == RLIM_INFINITY || max == LX_RLIM_INFINITY) {
+			lxpr_uiobuf_printf(uiobuf, " %-20s", "unlimited");
+		} else {
+			lxpr_uiobuf_printf(uiobuf, " %-20lu", max);
+		}
+		lxpr_uiobuf_printf(uiobuf, " %-10s\n",
+		    lxpr_rlimtab[i].rlim_unit);
+	}
+
+	lxpr_unlock(p);
+	kmem_free(nval, sizeof (rctl_val_t));
+}
+
+/*
+ * lxpr_read_pid_maps(): memory map file
+ */
+static void
+lxpr_read_pid_maps(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	proc_t *p;
+	struct as *as;
+	struct seg *seg;
+	char *buf;
+	int buflen = MAXPATHLEN;
+	struct print_data {
+		uintptr_t saddr;
+		uintptr_t eaddr;
+		int type;
+		char prot[5];
+		uintptr_t offset;
+		vnode_t *vp;
+		struct print_data *next;
+	} *print_head = NULL;
+	struct print_data **print_tail = &print_head;
+	struct print_data *pbuf;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_MAPS ||
+	    lxpnp->lxpr_type == LXPR_PID_TID_MAPS);
+
+	p = lxpr_lock(lxpnp->lxpr_pid);
+	if (p == NULL) {
+		lxpr_uiobuf_seterr(uiobuf, EINVAL);
+		return;
+	}
+
+	as = p->p_as;
+
+	if (as == &kas) {
+		lxpr_unlock(p);
+		return;
+	}
+
+	mutex_exit(&p->p_lock);
+
+	/* Iterate over all segments in the address space */
+	AS_LOCK_ENTER(as, &as->a_lock, RW_READER);
+	for (seg = AS_SEGFIRST(as); seg != NULL; seg = AS_SEGNEXT(as, seg)) {
+		vnode_t *vp;
+		uint_t protbits;
+
+		pbuf = kmem_alloc(sizeof (*pbuf), KM_SLEEP);
+
+		pbuf->saddr = (uintptr_t)seg->s_base;
+		pbuf->eaddr = pbuf->saddr + seg->s_size;
+		pbuf->type = SEGOP_GETTYPE(seg, seg->s_base);
+
+		/*
+		 * Cheat and only use the protection bits of the first page
+		 * in the segment
+		 */
+		(void) strncpy(pbuf->prot, "----", sizeof (pbuf->prot));
+		(void) SEGOP_GETPROT(seg, seg->s_base, 0, &protbits);
+
+		if (protbits & PROT_READ)	   pbuf->prot[0] = 'r';
+		if (protbits & PROT_WRITE)	   pbuf->prot[1] = 'w';
+		if (protbits & PROT_EXEC)	   pbuf->prot[2] = 'x';
+		if (pbuf->type & MAP_SHARED)	   pbuf->prot[3] = 's';
+		else if (pbuf->type & MAP_PRIVATE) pbuf->prot[3] = 'p';
+
+		if (seg->s_ops == &segvn_ops &&
+		    SEGOP_GETVP(seg, seg->s_base, &vp) == 0 &&
+		    vp != NULL && vp->v_type == VREG) {
+			VN_HOLD(vp);
+			pbuf->vp = vp;
+		} else {
+			pbuf->vp = NULL;
+		}
+
+		pbuf->offset = SEGOP_GETOFFSET(seg, (caddr_t)pbuf->saddr);
+
+		pbuf->next = NULL;
+		*print_tail = pbuf;
+		print_tail = &pbuf->next;
+	}
+	AS_LOCK_EXIT(as, &as->a_lock);
+	mutex_enter(&p->p_lock);
+	lxpr_unlock(p);
+
+	buf = kmem_alloc(buflen, KM_SLEEP);
+
+	/* print the data we've extracted */
+	pbuf = print_head;
+	while (pbuf != NULL) {
+		struct print_data *pbuf_next;
+		vattr_t vattr;
+
+		int maj = 0;
+		int min = 0;
+		ino_t inode = 0;
+
+		*buf = '\0';
+		if (pbuf->vp != NULL) {
+			vattr.va_mask = AT_FSID | AT_NODEID;
+			if (VOP_GETATTR(pbuf->vp, &vattr, 0, CRED(),
+			    NULL) == 0) {
+				maj = getmajor(vattr.va_fsid);
+				min = getminor(vattr.va_fsid);
+				inode = vattr.va_nodeid;
+			}
+			(void) vnodetopath(NULL, pbuf->vp, buf, buflen, CRED());
+			VN_RELE(pbuf->vp);
+		}
+
+		if (p->p_model == DATAMODEL_LP64) {
+			lxpr_uiobuf_printf(uiobuf,
+			    "%08llx-%08llx %s %08llx %02x:%02x %llu%s%s\n",
+			    pbuf->saddr, pbuf->eaddr, pbuf->prot, pbuf->offset,
+			    maj, min, inode, *buf != '\0' ? " " : "", buf);
+		} else {
+			lxpr_uiobuf_printf(uiobuf,
+			    "%08x-%08x %s %08x %02x:%02x %llu%s%s\n",
+			    (uint32_t)pbuf->saddr, (uint32_t)pbuf->eaddr,
+			    pbuf->prot, (uint32_t)pbuf->offset, maj, min,
+			    inode, *buf != '\0' ? " " : "", buf);
+		}
+
+		pbuf_next = pbuf->next;
+		kmem_free(pbuf, sizeof (*pbuf));
+		pbuf = pbuf_next;
+	}
+
+	kmem_free(buf, buflen);
+}
+
+/*
+ * lxpr_read_pid_mountinfo(): information about process mount points. e.g.:
+ *    14 19 0:13 / /sys rw,nosuid,nodev,noexec,relatime - sysfs sysfs rw
+ * mntid parid devnums root mntpnt mntopts - fstype mntsrc superopts
+ *
+ * We have to make up several of these fields.
+ */
+static void
+lxpr_read_pid_mountinfo(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	struct vfs *vfsp;
+	struct vfs *vfslist;
+	zone_t *zone = LXPTOZ(lxpnp);
+	struct print_data {
+		refstr_t *vfs_mntpt;
+		refstr_t *vfs_resource;
+		uint_t vfs_flag;
+		int vfs_fstype;
+		dev_t vfs_dev;
+		struct print_data *next;
+	} *print_head = NULL;
+	struct print_data **print_tail = &print_head;
+	struct print_data *printp;
+	int root_id = 15;	/* use a made-up value */
+	int mnt_id;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_MOUNTINFO ||
+	    lxpnp->lxpr_type == LXPR_PID_TID_MOUNTINFO);
+
+	vfs_list_read_lock();
+
+	/* root is the top-level, it does not appear in this output */
+	if (zone == global_zone) {
+		vfsp = vfslist = rootvfs;
+	} else {
+		vfsp = vfslist = zone->zone_vfslist;
+		/*
+		 * If the zone has a root entry, it will be the first in
+		 * the list.  If it doesn't, we conjure one up.
+		 */
+		if (vfslist == NULL || strcmp(refstr_value(vfsp->vfs_mntpt),
+		    zone->zone_rootpath) != 0) {
+			struct vfs *tvfsp;
+			/*
+			 * The root of the zone is not a mount point.  The vfs
+			 * we want to report is that of the zone's root vnode.
+			 */
+			tvfsp = zone->zone_rootvp->v_vfsp;
+
+			lxpr_uiobuf_printf(uiobuf,
+			    "%d 1 %d:%d / / %s - %s / %s\n",
+			    root_id,
+			    major(tvfsp->vfs_dev), minor(vfsp->vfs_dev),
+			    tvfsp->vfs_flag & VFS_RDONLY ? "ro" : "rw",
+			    vfssw[tvfsp->vfs_fstype].vsw_name,
+			    tvfsp->vfs_flag & VFS_RDONLY ? "ro" : "rw");
+
+		}
+		if (vfslist == NULL) {
+			vfs_list_unlock();
+			return;
+		}
+	}
+
+	/*
+	 * Later on we have to do a lookupname, which can end up causing
+	 * another vfs_list_read_lock() to be called. Which can lead to a
+	 * deadlock. To avoid this, we extract the data we need into a local
+	 * list, then we can run this list without holding vfs_list_read_lock()
+	 * We keep the list in the same order as the vfs_list
+	 */
+	do {
+		/* Skip mounts we shouldn't show */
+		if (vfsp->vfs_flag & VFS_NOMNTTAB) {
+			goto nextfs;
+		}
+
+		printp = kmem_alloc(sizeof (*printp), KM_SLEEP);
+		refstr_hold(vfsp->vfs_mntpt);
+		printp->vfs_mntpt = vfsp->vfs_mntpt;
+		refstr_hold(vfsp->vfs_resource);
+		printp->vfs_resource = vfsp->vfs_resource;
+		printp->vfs_flag = vfsp->vfs_flag;
+		printp->vfs_fstype = vfsp->vfs_fstype;
+		printp->vfs_dev = vfsp->vfs_dev;
+		printp->next = NULL;
+
+		*print_tail = printp;
+		print_tail = &printp->next;
+
+nextfs:
+		vfsp = (zone == global_zone) ?
+		    vfsp->vfs_next : vfsp->vfs_zone_next;
+
+	} while (vfsp != vfslist);
+
+	vfs_list_unlock();
+
+	mnt_id = root_id + 1;
+
+	/*
+	 * now we can run through what we've extracted without holding
+	 * vfs_list_read_lock()
+	 */
+	printp = print_head;
+	while (printp != NULL) {
+		struct print_data *printp_next;
+		const char *resource;
+		char *mntpt;
+		struct vnode *vp;
+		int error;
+
+		mntpt = (char *)refstr_value(printp->vfs_mntpt);
+		resource = refstr_value(printp->vfs_resource);
+
+		if (mntpt != NULL && mntpt[0] != '\0')
+			mntpt = ZONE_PATH_TRANSLATE(mntpt, zone);
+		else
+			mntpt = "-";
+
+		error = lookupname(mntpt, UIO_SYSSPACE, FOLLOW, NULLVPP, &vp);
+
+		if (error != 0)
+			goto nextp;
+
+		if (!(vp->v_flag & VROOT)) {
+			VN_RELE(vp);
+			goto nextp;
+		}
+		VN_RELE(vp);
+
+		if (resource != NULL && resource[0] != '\0') {
+			if (resource[0] == '/') {
+				resource = ZONE_PATH_VISIBLE(resource, zone) ?
+				    ZONE_PATH_TRANSLATE(resource, zone) : mntpt;
+			}
+		} else {
+			resource = "none";
+		}
+
+		/*
+		 * XXX parent ID is not tracked correctly here. Currently we
+		 * always assume the parent ID is the root ID.
+		 */
+		lxpr_uiobuf_printf(uiobuf,
+		    "%d %d %d:%d / %s %s - %s %s %s\n",
+		    mnt_id, root_id,
+		    major(printp->vfs_dev), minor(printp->vfs_dev),
+		    mntpt,
+		    printp->vfs_flag & VFS_RDONLY ? "ro" : "rw",
+		    vfssw[printp->vfs_fstype].vsw_name,
+		    resource,
+		    printp->vfs_flag & VFS_RDONLY ? "ro" : "rw");
+
+nextp:
+		printp_next = printp->next;
+		refstr_rele(printp->vfs_mntpt);
+		refstr_rele(printp->vfs_resource);
+		kmem_free(printp, sizeof (*printp));
+		printp = printp_next;
+
+		mnt_id++;
+	}
+}
+
+/*
+ * lxpr_read_pid_statm(): memory status file
+ */
+static void
+lxpr_read_pid_statm(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	proc_t *p;
+	struct as *as;
+	size_t vsize;
+	size_t rss;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_STATM ||
+	    lxpnp->lxpr_type == LXPR_PID_TID_STATM);
+
+	p = lxpr_lock(lxpnp->lxpr_pid);
+	if (p == NULL) {
+		lxpr_uiobuf_seterr(uiobuf, EINVAL);
+		return;
+	}
+
+	as = p->p_as;
+
+	mutex_exit(&p->p_lock);
+
+	AS_LOCK_ENTER(as, &as->a_lock, RW_READER);
+	vsize = btopr(as->a_resvsize);
+	rss = rm_asrss(as);
+	AS_LOCK_EXIT(as, &as->a_lock);
+
+	mutex_enter(&p->p_lock);
+	lxpr_unlock(p);
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "%lu %lu %lu %lu %lu %lu %lu\n",
+	    vsize, rss, 0l, rss, 0l, 0l, 0l);
+}
+
+/*
+ * Derived from procfs prgetxmap32
+ */
+static size_t
+get_locked(proc_t *p)
+{
+	struct as *as = p->p_as;
+	struct seg *seg;
+	uint_t nlocked = 0;
+
+	ASSERT(as != &kas && AS_READ_HELD(as, &as->a_lock));
+
+	if ((seg = AS_SEGFIRST(as)) == NULL)
+		return (0);
+
+	do {
+		char *parr;
+		uint64_t npages;
+		uint64_t pagenum;
+
+		npages = ((uintptr_t)seg->s_size) >> PAGESHIFT;
+		parr = kmem_zalloc(npages, KM_SLEEP);
+
+		SEGOP_INCORE(seg, seg->s_base, seg->s_size, parr);
+
+		for (pagenum = 0; pagenum < npages; pagenum++) {
+			if (parr[pagenum] & SEG_PAGE_LOCKED)
+				nlocked++;
+		}
+		kmem_free(parr, npages);
+	} while ((seg = AS_SEGNEXT(as, seg)) != NULL);
+
+	return (nlocked);
+}
+
+/*
+ * Look for either the main thread (lookup_id is 0) or the specified thread.
+ * If we're looking for the main thread but the proc does not have one, we
+ * fallback to using prchoose to get any thread available.
+ */
+static kthread_t *
+lxpr_get_thread(proc_t *p, uint_t lookup_id)
+{
+	kthread_t *t;
+	uint_t emul_tid;
+	lx_lwp_data_t *lwpd;
+	pid_t pid = p->p_pid;
+	pid_t init_pid = curproc->p_zone->zone_proc_initpid;
+
+	/* get specified thread  */
+	if ((t = p->p_tlist) == NULL)
+		return (NULL);
+
+	do {
+		if (lookup_id == 0 && t->t_tid == 1) {
+			thread_lock(t);
+			return (t);
+		}
+
+		lwpd = ttolxlwp(t);
+		if (lwpd == NULL) {
+			emul_tid = t->t_tid;
+		} else {
+			if (pid == init_pid && lookup_id == 1) {
+				emul_tid = t->t_tid;
+			} else {
+				emul_tid = lwpd->br_pid;
+			}
+		}
+		if (emul_tid == lookup_id) {
+			thread_lock(t);
+			return (t);
+		}
+	} while ((t = t->t_forw) != p->p_tlist);
+
+	if (lookup_id == 0)
+		return (prchoose(p));
+	return (NULL);
+}
+
+/*
+ * Lookup the real pid for procs 0 or 1.
+ */
+static pid_t
+get_real_pid(pid_t p)
+{
+	pid_t find_pid;
+
+	if (p == 1) {
+		find_pid = curproc->p_zone->zone_proc_initpid;
+	} else if (p == 0) {
+		find_pid = curproc->p_zone->zone_zsched->p_pid;
+	} else {
+		find_pid = p;
+	}
+
+	return (find_pid);
+}
+
+/*
+ * pid/tid common code to read status file
+ */
+static void
+lxpr_read_status_common(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf,
+    uint_t lookup_id)
+{
+	proc_t *p;
+	kthread_t *t;
+	user_t *up;
+	cred_t *cr;
+	const gid_t *groups;
+	int    ngroups;
+	struct as *as;
+	char *status;
+	pid_t pid, ppid;
+	size_t vsize;
+	size_t nlocked;
+	size_t rss;
+	k_sigset_t current, ignore, handle;
+	int    i, lx_sig;
+	pid_t real_pid;
+
+	real_pid = get_real_pid(lxpnp->lxpr_pid);
+	p = lxpr_lock(real_pid);
+	if (p == NULL) {
+		lxpr_uiobuf_seterr(uiobuf, EINVAL);
+		return;
+	}
+
+	pid = p->p_pid;
+
+	/*
+	 * Convert pid to the Linux default of 1 if we're the zone's init
+	 * process or if we're the zone's zsched the pid is 0.
+	 */
+	if (pid == curproc->p_zone->zone_proc_initpid) {
+		pid = 1;
+		ppid = 0;	/* parent pid for init is 0 */
+	} else if (pid == curproc->p_zone->zone_zsched->p_pid) {
+		pid = 0;	/* zsched is pid 0 */
+		ppid = 0;	/* parent pid for zsched is itself */
+	} else {
+		/*
+		 * Make sure not to reference parent PIDs that reside outside
+		 * the zone
+		 */
+		ppid = ((p->p_flag & SZONETOP)
+		    ? curproc->p_zone->zone_zsched->p_pid : p->p_ppid);
+
+		/*
+		 * Convert ppid to the Linux default of 1 if our parent is the
+		 * zone's init process
+		 */
+		if (ppid == curproc->p_zone->zone_proc_initpid)
+			ppid = 1;
+	}
+
+	t = lxpr_get_thread(p, lookup_id);
+	if (t != NULL) {
+		switch (t->t_state) {
+		case TS_SLEEP:
+			status = "S (sleeping)";
+			break;
+		case TS_RUN:
+		case TS_ONPROC:
+			status = "R (running)";
+			break;
+		case TS_ZOMB:
+			status = "Z (zombie)";
+			break;
+		case TS_STOPPED:
+			status = "T (stopped)";
+			break;
+		default:
+			status = "! (unknown)";
+			break;
+		}
+		thread_unlock(t);
+	} else {
+		if (lookup_id != 0) {
+			/* we can't find this specific thread */
+			lxpr_uiobuf_seterr(uiobuf, EINVAL);
+			lxpr_unlock(p);
+			return;
+		}
+
+		/*
+		 * there is a hole in the exit code, where a proc can have
+		 * no threads but it is yet to be flagged SZOMB. We will
+		 * assume we are about to become a zombie
+		 */
+		status = "Z (zombie)";
+	}
+
+	up = PTOU(p);
+	mutex_enter(&p->p_crlock);
+	crhold(cr = p->p_cred);
+	mutex_exit(&p->p_crlock);
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "Name:\t%s\n"
+	    "State:\t%s\n"
+	    "Tgid:\t%d\n"
+	    "Pid:\t%d\n"
+	    "PPid:\t%d\n"
+	    "TracerPid:\t%d\n"
+	    "Uid:\t%u\t%u\t%u\t%u\n"
+	    "Gid:\t%u\t%u\t%u\t%u\n"
+	    "FDSize:\t%d\n"
+	    "Groups:\t",
+	    up->u_comm,
+	    status,
+	    pid, /* thread group id - same as pid */
+	    (lookup_id == 0) ? pid : lxpnp->lxpr_desc,
+	    ppid,
+	    0,
+	    crgetruid(cr), crgetuid(cr), crgetsuid(cr), crgetuid(cr),
+	    crgetrgid(cr), crgetgid(cr), crgetsgid(cr), crgetgid(cr),
+	    p->p_fno_ctl);
+
+
+	ngroups = crgetngroups(cr);
+	groups  = crgetgroups(cr);
+	for (i = 0; i < ngroups; i++) {
+		lxpr_uiobuf_printf(uiobuf,
+		    "%u ",
+		    groups[i]);
+	}
+	crfree(cr);
+
+	as = p->p_as;
+	if ((p->p_stat != SZOMB) && !(p->p_flag & SSYS) && (as != &kas)) {
+		mutex_exit(&p->p_lock);
+		AS_LOCK_ENTER(as, &as->a_lock, RW_READER);
+		vsize = as->a_resvsize;
+		rss = rm_asrss(as);
+		nlocked = get_locked(p);
+		AS_LOCK_EXIT(as, &as->a_lock);
+		mutex_enter(&p->p_lock);
+
+		lxpr_uiobuf_printf(uiobuf,
+		    "\n"
+		    "VmSize:\t%8lu kB\n"
+		    "VmLck:\t%8lu kB\n"
+		    "VmRSS:\t%8lu kB\n"
+		    "VmData:\t%8lu kB\n"
+		    "VmStk:\t%8lu kB\n"
+		    "VmExe:\t%8lu kB\n"
+		    "VmLib:\t%8lu kB",
+		    btok(vsize),
+		    ptok(nlocked),
+		    ptok(rss),
+		    0l,
+		    btok(p->p_stksize),
+		    ptok(rss),
+		    0l);
+	}
+
+	lxpr_uiobuf_printf(uiobuf, "\nThreads:\t%u", p->p_lwpcnt);
+
+	sigemptyset(&current);
+	sigemptyset(&ignore);
+	sigemptyset(&handle);
+
+	for (i = 1; i < NSIG; i++) {
+		lx_sig = stol_signo[i];
+
+		if ((lx_sig > 0) && (lx_sig <= LX_NSIG)) {
+			if (sigismember(&p->p_sig, i))
+				sigaddset(&current, lx_sig);
+
+			if (up->u_signal[i - 1] == SIG_IGN)
+				sigaddset(&ignore, lx_sig);
+			else if (up->u_signal[i - 1] != SIG_DFL)
+				sigaddset(&handle, lx_sig);
+		}
+	}
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "\n"
+	    "SigPnd:\t%08x%08x\n"
+	    "SigBlk:\t%08x%08x\n"
+	    "SigIgn:\t%08x%08x\n"
+	    "SigCgt:\t%08x%08x\n"
+	    "CapInh:\t%016x\n"
+	    "CapPrm:\t%016x\n"
+	    "CapEff:\t%016x\n",
+	    current.__sigbits[1], current.__sigbits[0],
+	    0, 0, /* signals blocked on per thread basis */
+	    ignore.__sigbits[1], ignore.__sigbits[0],
+	    handle.__sigbits[1], handle.__sigbits[0],
+	    /* Can't do anything with linux capabilities */
+	    0,
+	    0,
+	    0);
+
+	lxpr_unlock(p);
+}
+
+/*
+ * lxpr_read_pid_status(): status file
+ */
+static void
+lxpr_read_pid_status(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_STATUS);
+
+	lxpr_read_status_common(lxpnp, uiobuf, 0);
+}
+
+/*
+ * lxpr_read_pid_tid_status(): status file
+ */
+static void
+lxpr_read_pid_tid_status(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_TID_STATUS);
+	lxpr_read_status_common(lxpnp, uiobuf, lxpnp->lxpr_desc);
+}
+
+/*
+ * pid/tid common code to read stat file
+ */
+static void
+lxpr_read_stat_common(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf,
+    uint_t lookup_id)
+{
+	proc_t *p;
+	kthread_t *t;
+	struct as *as;
+	char stat;
+	pid_t pid, ppid, pgpid, spid;
+	gid_t psgid;
+	dev_t psdev;
+	size_t rss, vsize;
+	int nice, pri;
+	caddr_t wchan;
+	processorid_t cpu;
+	pid_t real_pid;
+
+	real_pid = get_real_pid(lxpnp->lxpr_pid);
+	p = lxpr_lock(real_pid);
+	if (p == NULL) {
+		lxpr_uiobuf_seterr(uiobuf, EINVAL);
+		return;
+	}
+
+	pid = p->p_pid;
+
+	/*
+	 * Set Linux defaults if we're the zone's init process
+	 */
+	if (pid == curproc->p_zone->zone_proc_initpid) {
+		pid = 1;		/* PID for init */
+		ppid = 0;		/* parent PID for init is 0 */
+		pgpid = 0;		/* process group for init is 0 */
+		psgid = (gid_t)-1;	/* credential GID for init is -1 */
+		spid = 0;		/* session id for init is 0 */
+		psdev = 0;		/* session device for init is 0 */
+	} else if (pid == curproc->p_zone->zone_zsched->p_pid) {
+		pid = 0;		/* PID for zsched */
+		ppid = 0;		/* parent PID for zsched is 0 */
+		pgpid = 0;		/* process group for zsched is 0 */
+		psgid = (gid_t)-1;	/* credential GID for zsched is -1 */
+		spid = 0;		/* session id for zsched is 0 */
+		psdev = 0;		/* session device for zsched is 0 */
+	} else {
+		/*
+		 * Make sure not to reference parent PIDs that reside outside
+		 * the zone
+		 */
+		ppid = ((p->p_flag & SZONETOP) ?
+		    curproc->p_zone->zone_zsched->p_pid : p->p_ppid);
+
+		/*
+		 * Convert ppid to the Linux default of 1 if our parent is the
+		 * zone's init process
+		 */
+		if (ppid == curproc->p_zone->zone_proc_initpid)
+			ppid = 1;
+
+		pgpid = p->p_pgrp;
+
+		mutex_enter(&p->p_splock);
+		mutex_enter(&p->p_sessp->s_lock);
+		spid = p->p_sessp->s_sid;
+		psdev = p->p_sessp->s_dev;
+		if (p->p_sessp->s_cred)
+			psgid = crgetgid(p->p_sessp->s_cred);
+		else
+			psgid = crgetgid(p->p_cred);
+
+		mutex_exit(&p->p_sessp->s_lock);
+		mutex_exit(&p->p_splock);
+	}
+
+	t = lxpr_get_thread(p, lookup_id);
+	if (t != NULL) {
+		switch (t->t_state) {
+		case TS_SLEEP:
+			stat = 'S'; break;
+		case TS_RUN:
+		case TS_ONPROC:
+			stat = 'R'; break;
+		case TS_ZOMB:
+			stat = 'Z'; break;
+		case TS_STOPPED:
+			stat = 'T'; break;
+		default:
+			stat = '!'; break;
+		}
+
+		if (CL_DONICE(t, NULL, 0, &nice) != 0)
+			nice = 0;
+
+		pri = t->t_pri;
+		wchan = t->t_wchan;
+		cpu = t->t_cpu->cpu_id;
+		thread_unlock(t);
+	} else {
+		if (lookup_id != 0) {
+			/* we can't find this specific thread */
+			lxpr_uiobuf_seterr(uiobuf, EINVAL);
+			lxpr_unlock(p);
+			return;
+		}
+
+		/* Only zombies have no threads */
+		stat = 'Z';
+		nice = 0;
+		pri = 0;
+		wchan = 0;
+		cpu = 0;
+	}
+	as = p->p_as;
+	mutex_exit(&p->p_lock);
+	AS_LOCK_ENTER(as, &as->a_lock, RW_READER);
+	vsize = as->a_resvsize;
+	rss = rm_asrss(as);
+	AS_LOCK_EXIT(as, &as->a_lock);
+	mutex_enter(&p->p_lock);
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "%d (%s) %c %d %d %d %d %d "
+	    "%lu %lu %lu %lu %lu "
+	    "%lu %lu %ld %ld "
+	    "%d %d %d "
+	    "%lu "
+	    "%lu "
+	    "%lu %ld %llu "
+	    "%lu %lu %u "
+	    "%lu %lu "
+	    "%lu %lu %lu %lu "
+	    "%lu "
+	    "%lu %lu "
+	    "%d "
+	    "%d"
+	    "\n",
+	    (lookup_id == 0) ? pid : lxpnp->lxpr_desc,
+	    PTOU(p)->u_comm, stat, ppid, pgpid, spid, psdev, psgid,
+	    0l, 0l, 0l, 0l, 0l, /* flags, minflt, cminflt, majflt, cmajflt */
+	    p->p_utime, p->p_stime, p->p_cutime, p->p_cstime,
+	    pri, nice, p->p_lwpcnt,
+	    0l, /* itrealvalue (time before next SIGALRM) */
+	    PTOU(p)->u_ticks,
+	    vsize, rss, p->p_vmem_ctl,
+	    0l, 0l, USRSTACK, /* startcode, endcode, startstack */
+	    0l, 0l, /* kstkesp, kstkeip */
+	    0l, 0l, 0l, 0l, /* signal, blocked, sigignore, sigcatch */
+	    wchan,
+	    0l, 0l, /* nswap, cnswap */
+	    0, /* exit_signal */
+	    cpu);
+
+	lxpr_unlock(p);
+}
+
+/*
+ * lxpr_read_pid_stat(): pid stat file
+ */
+static void
+lxpr_read_pid_stat(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_STAT);
+
+	lxpr_read_stat_common(lxpnp, uiobuf, 0);
+}
+
+/*
+ * lxpr_read_pid_tid_stat(): pid stat file
+ */
+static void
+lxpr_read_pid_tid_stat(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_TID_STAT);
+	lxpr_read_stat_common(lxpnp, uiobuf, lxpnp->lxpr_desc);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_arp(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+struct lxpr_ifstat {
+	uint64_t rx_bytes;
+	uint64_t rx_packets;
+	uint64_t rx_errors;
+	uint64_t rx_drop;
+	uint64_t tx_bytes;
+	uint64_t tx_packets;
+	uint64_t tx_errors;
+	uint64_t tx_drop;
+	uint64_t collisions;
+	uint64_t rx_multicast;
+};
+
+static void *
+lxpr_kstat_read(kstat_t *kn, boolean_t byname, size_t *size, int *num)
+{
+	kstat_t *kp;
+	int i, nrec = 0;
+	size_t bufsize;
+	void *buf = NULL;
+
+	if (byname == B_TRUE) {
+		kp = kstat_hold_byname(kn->ks_module, kn->ks_instance,
+		    kn->ks_name, getzoneid());
+	} else {
+		kp = kstat_hold_bykid(kn->ks_kid, getzoneid());
+	}
+	if (kp == NULL) {
+		return (NULL);
+	}
+	if (kp->ks_flags & KSTAT_FLAG_INVALID) {
+		kstat_rele(kp);
+		return (NULL);
+	}
+
+	bufsize = kp->ks_data_size + 1;
+	kstat_rele(kp);
+
+	/*
+	 * The kstat in question is released so that kmem_alloc(KM_SLEEP) is
+	 * performed without it held.  After the alloc, the kstat is reacquired
+	 * and its size is checked again. If the buffer is no longer large
+	 * enough, the alloc and check are repeated up to three times.
+	 */
+	for (i = 0; i < 2; i++) {
+		buf = kmem_alloc(bufsize, KM_SLEEP);
+
+		/* Check if bufsize still appropriate */
+		if (byname == B_TRUE) {
+			kp = kstat_hold_byname(kn->ks_module, kn->ks_instance,
+			    kn->ks_name, getzoneid());
+		} else {
+			kp = kstat_hold_bykid(kn->ks_kid, getzoneid());
+		}
+		if (kp == NULL || kp->ks_flags & KSTAT_FLAG_INVALID) {
+			if (kp != NULL) {
+				kstat_rele(kp);
+			}
+			kmem_free(buf, bufsize);
+			return (NULL);
+		}
+		KSTAT_ENTER(kp);
+		(void) KSTAT_UPDATE(kp, KSTAT_READ);
+		if (bufsize < kp->ks_data_size) {
+			kmem_free(buf, bufsize);
+			buf = NULL;
+			bufsize = kp->ks_data_size + 1;
+			KSTAT_EXIT(kp);
+			kstat_rele(kp);
+			continue;
+		} else {
+			if (KSTAT_SNAPSHOT(kp, buf, KSTAT_READ) != 0) {
+				kmem_free(buf, bufsize);
+				buf = NULL;
+			}
+			nrec = kp->ks_ndata;
+			KSTAT_EXIT(kp);
+			kstat_rele(kp);
+			break;
+		}
+	}
+
+	if (buf != NULL) {
+		*size = bufsize;
+		*num = nrec;
+	}
+	return (buf);
+}
+
+static int
+lxpr_kstat_ifstat(kstat_t *kn, struct lxpr_ifstat *ifs)
+{
+	kstat_named_t *kp;
+	int i, num;
+	size_t size;
+
+	/*
+	 * Search by name instead of by kid since there's a small window to
+	 * race against kstats being added/removed.
+	 */
+	bzero(ifs, sizeof (*ifs));
+	kp = (kstat_named_t *)lxpr_kstat_read(kn, B_TRUE, &size, &num);
+	if (kp == NULL)
+		return (-1);
+	for (i = 0; i < num; i++) {
+		if (strncmp(kp[i].name, "rbytes64", KSTAT_STRLEN) == 0)
+			ifs->rx_bytes = kp[i].value.ui64;
+		else if (strncmp(kp[i].name, "ipackets64", KSTAT_STRLEN) == 0)
+			ifs->rx_packets = kp[i].value.ui64;
+		else if (strncmp(kp[i].name, "ierrors", KSTAT_STRLEN) == 0)
+			ifs->rx_errors = kp[i].value.ui32;
+		else if (strncmp(kp[i].name, "norcvbuf", KSTAT_STRLEN) == 0)
+			ifs->rx_drop = kp[i].value.ui32;
+		else if (strncmp(kp[i].name, "multircv", KSTAT_STRLEN) == 0)
+			ifs->rx_multicast = kp[i].value.ui32;
+		else if (strncmp(kp[i].name, "obytes64", KSTAT_STRLEN) == 0)
+			ifs->tx_bytes = kp[i].value.ui64;
+		else if (strncmp(kp[i].name, "opackets64", KSTAT_STRLEN) == 0)
+			ifs->tx_packets = kp[i].value.ui64;
+		else if (strncmp(kp[i].name, "oerrors", KSTAT_STRLEN) == 0)
+			ifs->tx_errors = kp[i].value.ui32;
+		else if (strncmp(kp[i].name, "noxmtbuf", KSTAT_STRLEN) == 0)
+			ifs->tx_drop = kp[i].value.ui32;
+		else if (strncmp(kp[i].name, "collisions", KSTAT_STRLEN) == 0)
+			ifs->collisions = kp[i].value.ui32;
+	}
+	kmem_free(kp, size);
+	return (0);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_dev(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	kstat_t *ksr;
+	kstat_t ks0;
+	int i, nidx;
+	size_t sidx;
+	struct lxpr_ifstat ifs;
+
+	lxpr_uiobuf_printf(uiobuf, "Inter-|   Receive                   "
+	    "                             |  Transmit\n");
+	lxpr_uiobuf_printf(uiobuf, " face |bytes    packets errs drop fifo"
+	    " frame compressed multicast|bytes    packets errs drop fifo"
+	    " colls carrier compressed\n");
+
+	ks0.ks_kid = 0;
+	ksr = (kstat_t *)lxpr_kstat_read(&ks0, B_FALSE, &sidx, &nidx);
+	if (ksr == NULL)
+		return;
+
+	for (i = 1; i < nidx; i++) {
+		if (strncmp(ksr[i].ks_module, "link", KSTAT_STRLEN) == 0 ||
+		    strncmp(ksr[i].ks_module, "lo", KSTAT_STRLEN) == 0) {
+			if (lxpr_kstat_ifstat(&ksr[i], &ifs) != 0)
+				continue;
+
+			/* Overwriting the name is ok in the local snapshot */
+			lx_ifname_convert(ksr[i].ks_name, LX_IFNAME_FROMNATIVE);
+			lxpr_uiobuf_printf(uiobuf, "%6s: %7llu %7llu %4lu "
+			    "%4lu %4u %5u %10u %9lu %8llu %7llu %4lu %4lu %4u "
+			    "%5lu %7u %10u\n",
+			    ksr[i].ks_name,
+			    ifs.rx_bytes, ifs.rx_packets,
+			    ifs.rx_errors, ifs.rx_drop,
+			    0, 0, 0, ifs.rx_multicast,
+			    ifs.tx_bytes, ifs.tx_packets,
+			    ifs.tx_errors, ifs.tx_drop,
+			    0, ifs.collisions, 0, 0);
+		}
+	}
+
+	kmem_free(ksr, sidx);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_dev_mcast(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+static void
+lxpr_inet6_out(const in6_addr_t *addr, char buf[33])
+{
+	const uint8_t *ip = addr->s6_addr;
+	char digits[] = "0123456789abcdef";
+	int i;
+	for (i = 0; i < 16; i++) {
+		buf[2 * i] = digits[ip[i] >> 4];
+		buf[2 * i + 1] = digits[ip[i] & 0xf];
+	}
+	buf[32] = '\0';
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_if_inet6(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	netstack_t *ns;
+	ip_stack_t *ipst;
+	ill_t *ill;
+	ipif_t *ipif;
+	ill_walk_context_t	ctx;
+	char ifname[LIFNAMSIZ], ip6out[33];
+
+	ns = netstack_get_current();
+	if (ns == NULL)
+		return;
+	ipst = ns->netstack_ip;
+
+	rw_enter(&ipst->ips_ill_g_lock, RW_READER);
+	ill = ILL_START_WALK_V6(&ctx, ipst);
+
+	for (; ill != NULL; ill = ill_next(&ctx, ill)) {
+		for (ipif = ill->ill_ipif; ipif != NULL;
+		    ipif = ipif->ipif_next) {
+			uint_t index = ill->ill_phyint->phyint_ifindex;
+			int plen = ip_mask_to_plen_v6(&ipif->ipif_v6net_mask);
+			in6addr_scope_t scope = ip_addr_scope_v6(
+			    &ipif->ipif_v6lcl_addr);
+			/* Always report PERMANENT flag */
+			int flag = 0x80;
+
+			ipif_get_name(ipif, ifname, sizeof (ifname));
+			lx_ifname_convert(ifname, LX_IFNAME_FROMNATIVE);
+			lxpr_inet6_out(&ipif->ipif_v6lcl_addr, ip6out);
+			/* Scope output is shifted on Linux */
+			scope = scope << 4;
+
+			lxpr_uiobuf_printf(uiobuf, "%32s %02x %02x %02x %02x"
+			    " %8s\n", ip6out, index, plen, scope, flag, ifname);
+		}
+	}
+	rw_exit(&ipst->ips_ill_g_lock);
+	netstack_rele(ns);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_igmp(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_ip_mr_cache(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_ip_mr_vif(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+static void
+lxpr_format_route_ipv6(ire_t *ire, lxpr_uiobuf_t *uiobuf)
+{
+	uint32_t flags;
+	char name[IFNAMSIZ];
+	char ipv6addr[33];
+
+	lxpr_inet6_out(&ire->ire_addr_v6, ipv6addr);
+	lxpr_uiobuf_printf(uiobuf, "%s %02x ", ipv6addr,
+	    ip_mask_to_plen_v6(&ire->ire_mask_v6));
+
+	/* punt on this for now */
+	lxpr_uiobuf_printf(uiobuf, "%s %02x ",
+	    "00000000000000000000000000000000", 0);
+
+	lxpr_inet6_out(&ire->ire_gateway_addr_v6, ipv6addr);
+	lxpr_uiobuf_printf(uiobuf, "%s", ipv6addr);
+
+	flags = ire->ire_flags &
+	    (RTF_UP|RTF_GATEWAY|RTF_HOST|RTF_DYNAMIC|RTF_MODIFIED);
+	/* Linux's RTF_LOCAL equivalent */
+	if (ire->ire_metrics.iulp_local)
+		flags |= 0x80000000;
+
+	if (ire->ire_ill != NULL) {
+		ill_get_name(ire->ire_ill, name, sizeof (name));
+		lx_ifname_convert(name, LX_IFNAME_FROMNATIVE);
+	} else {
+		name[0] = '\0';
+	}
+
+	lxpr_uiobuf_printf(uiobuf, " %08x %08x %08x %08x %8s\n",
+	    0, /* metric */
+	    ire->ire_refcnt,
+	    0,
+	    flags,
+	    name);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_ipv6_route(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	netstack_t *ns;
+	ip_stack_t *ipst;
+
+	ns = netstack_get_current();
+	if (ns == NULL)
+		return;
+	ipst = ns->netstack_ip;
+
+	/*
+	 * LX branded zones are expected to have exclusive IP stack, hence
+	 * using ALL_ZONES as the zoneid filter.
+	 */
+	ire_walk_v6(&lxpr_format_route_ipv6, uiobuf, ALL_ZONES, ipst);
+
+	netstack_rele(ns);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_mcfilter(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_netstat(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_raw(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+#define	LXPR_SKIP_ROUTE(type)	\
+	(((IRE_IF_CLONE | IRE_BROADCAST | IRE_MULTICAST | \
+	IRE_NOROUTE | IRE_LOOPBACK | IRE_LOCAL) & type) != 0)
+
+static void
+lxpr_format_route_ipv4(ire_t *ire, lxpr_uiobuf_t *uiobuf)
+{
+	uint32_t flags;
+	char name[IFNAMSIZ];
+	ill_t *ill;
+	ire_t *nire;
+	ipif_t *ipif;
+	ipaddr_t gateway;
+
+	if (LXPR_SKIP_ROUTE(ire->ire_type) || ire->ire_testhidden != 0)
+		return;
+
+	/* These route flags have direct Linux equivalents */
+	flags = ire->ire_flags &
+	    (RTF_UP|RTF_GATEWAY|RTF_HOST|RTF_DYNAMIC|RTF_MODIFIED);
+
+	/*
+	 * Search for a suitable IRE for naming purposes.
+	 * On Linux, the default route is typically associated with the
+	 * interface used to access gateway.  The default IRE on Illumos
+	 * typically lacks an ill reference but its parent might have one.
+	 */
+	nire = ire;
+	do {
+		ill = nire->ire_ill;
+		nire = nire->ire_dep_parent;
+	} while (ill == NULL && nire != NULL);
+	if (ill != NULL) {
+		ill_get_name(ill, name, sizeof (name));
+		lx_ifname_convert(name, LX_IFNAME_FROMNATIVE);
+	} else {
+		name[0] = '*';
+		name[1] = '\0';
+	}
+
+	/*
+	 * Linux suppresses the gateway address for directly connected
+	 * interface networks.  To emulate this behavior, we walk all addresses
+	 * of a given route interface.  If one matches the gateway, it is
+	 * displayed as NULL.
+	 */
+	gateway = ire->ire_gateway_addr;
+	if ((ill = ire->ire_ill) != NULL) {
+		for (ipif = ill->ill_ipif; ipif != NULL;
+		    ipif = ipif->ipif_next) {
+			if (ipif->ipif_lcl_addr == gateway) {
+				gateway = 0;
+				break;
+			}
+		}
+	}
+
+	lxpr_uiobuf_printf(uiobuf, "%s\t%08X\t%08X\t%04X\t%d\t%u\t"
+	    "%d\t%08X\t%d\t%u\t%u\n",
+	    name,
+	    ire->ire_addr,
+	    gateway,
+	    flags, 0, 0,
+	    0, /* priority */
+	    ire->ire_mask,
+	    0, 0, /* mss, window */
+	    ire->ire_metrics.iulp_rtt);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_route(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	netstack_t *ns;
+	ip_stack_t *ipst;
+
+	lxpr_uiobuf_printf(uiobuf, "Iface\tDestination\tGateway \tFlags\t"
+	    "RefCnt\tUse\tMetric\tMask\t\tMTU\tWindow\tIRTT\n");
+
+	ns = netstack_get_current();
+	if (ns == NULL)
+		return;
+	ipst = ns->netstack_ip;
+
+	/*
+	 * LX branded zones are expected to have exclusive IP stack, hence
+	 * using ALL_ZONES as the zoneid filter.
+	 */
+	ire_walk_v4(&lxpr_format_route_ipv4, uiobuf, ALL_ZONES, ipst);
+
+	netstack_rele(ns);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_rpc(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_rt_cache(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_sockstat(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+typedef struct lxpr_snmp_table {
+	const char *lst_proto;
+	const char *lst_fields[];
+} lxpr_snmp_table_t;
+
+static lxpr_snmp_table_t lxpr_snmp_ip = { "ip",
+	{
+	"forwarding", "defaultTTL", "inReceives", "inHdrErrors",
+	"inAddrErrors", "forwDatagrams", "inUnknownProtos", "inDiscards",
+	"inDelivers", "outRequests", "outDiscards", "outNoRoutes",
+	"reasmTimeout", "reasmReqds", "reasmOKs", "reasmFails", "fragOKs",
+	"fragFails", "fragCreates",
+	NULL
+	}
+};
+static lxpr_snmp_table_t lxpr_snmp_icmp = { "icmp",
+	{
+	"inMsgs", "inErrors", "inCsumErrors", "inDestUnreachs", "inTimeExcds",
+	"inParmProbs", "inSrcQuenchs", "inRedirects", "inEchos", "inEchoReps",
+	"inTimestamps", "inTimestampReps", "inAddrMasks", "inAddrMaskReps",
+	"outMsgs", "outErrors", "outDestUnreachs", "outTimeExcds",
+	"outParmProbs", "outSrcQuenchs", "outRedirects", "outEchos",
+	"outEchoReps", "outTimestamps", "outTimestampReps", "outAddrMasks",
+	"outAddrMaskReps",
+	NULL
+	}
+};
+static lxpr_snmp_table_t lxpr_snmp_tcp = { "tcp",
+	{
+	"rtoAlgorithm", "rtoMin", "rtoMax", "maxConn", "activeOpens",
+	"passiveOpens", "attemptFails", "estabResets", "currEstab", "inSegs",
+	"outSegs", "retransSegs", "inErrs", "outRsts", "inCsumErrors",
+	NULL
+	}
+};
+static lxpr_snmp_table_t lxpr_snmp_udp = { "udp",
+	{
+	"inDatagrams", "noPorts", "inErrors", "outDatagrams", "rcvbufErrors",
+	"sndbufErrors", "inCsumErrors",
+	NULL
+	}
+};
+
+static lxpr_snmp_table_t *lxpr_net_snmptab[] = {
+	&lxpr_snmp_ip,
+	&lxpr_snmp_icmp,
+	&lxpr_snmp_tcp,
+	&lxpr_snmp_udp,
+	NULL
+};
+
+static void
+lxpr_kstat_print_tab(lxpr_uiobuf_t *uiobuf, lxpr_snmp_table_t *table,
+    kstat_t *kn)
+{
+	kstat_named_t *klist;
+	char upname[KSTAT_STRLEN], upfield[KSTAT_STRLEN];
+	int i, j, num;
+	size_t size;
+
+	klist = (kstat_named_t *)lxpr_kstat_read(kn, B_TRUE, &size, &num);
+	if (klist == NULL)
+		return;
+
+	/* Print the header line, fields capitalized */
+	(void) strncpy(upname, table->lst_proto, KSTAT_STRLEN);
+	upname[0] = toupper(upname[0]);
+	lxpr_uiobuf_printf(uiobuf, "%s:", upname);
+	for (i = 0; table->lst_fields[i] != NULL; i++) {
+		(void) strncpy(upfield, table->lst_fields[i], KSTAT_STRLEN);
+		upfield[0] = toupper(upfield[0]);
+		lxpr_uiobuf_printf(uiobuf, " %s", upfield);
+	}
+	lxpr_uiobuf_printf(uiobuf, "\n%s:", upname);
+
+	/* Then loop back through to print the value line. */
+	for (i = 0; table->lst_fields[i] != NULL; i++) {
+		kstat_named_t *kpoint = NULL;
+		for (j = 0; j < num; j++) {
+			if (strncmp(klist[j].name, table->lst_fields[i],
+			    KSTAT_STRLEN) == 0) {
+				kpoint = &klist[j];
+				break;
+			}
+		}
+		if (kpoint == NULL) {
+			/* Output 0 for unknown fields */
+			lxpr_uiobuf_printf(uiobuf, " 0");
+		} else {
+			switch (kpoint->data_type) {
+			case KSTAT_DATA_INT32:
+				lxpr_uiobuf_printf(uiobuf, " %d",
+				    kpoint->value.i32);
+				break;
+			case KSTAT_DATA_UINT32:
+				lxpr_uiobuf_printf(uiobuf, " %u",
+				    kpoint->value.ui32);
+				break;
+			case KSTAT_DATA_INT64:
+				lxpr_uiobuf_printf(uiobuf, " %ld",
+				    kpoint->value.l);
+				break;
+			case KSTAT_DATA_UINT64:
+				lxpr_uiobuf_printf(uiobuf, " %lu",
+				    kpoint->value.ul);
+				break;
+			}
+		}
+	}
+	lxpr_uiobuf_printf(uiobuf, "\n");
+	kmem_free(klist, size);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_snmp(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	kstat_t *ksr;
+	kstat_t ks0;
+	lxpr_snmp_table_t **table = lxpr_net_snmptab;
+	int i, t, nidx;
+	size_t sidx;
+
+	ks0.ks_kid = 0;
+	ksr = (kstat_t *)lxpr_kstat_read(&ks0, B_FALSE, &sidx, &nidx);
+	if (ksr == NULL)
+		return;
+
+	for (t = 0; table[t] != NULL; t++) {
+		for (i = 0; i < nidx; i++) {
+			if (strncmp(ksr[i].ks_class, "mib2", KSTAT_STRLEN) != 0)
+				continue;
+			if (strncmp(ksr[i].ks_name, table[t]->lst_proto,
+			    KSTAT_STRLEN) == 0) {
+				lxpr_kstat_print_tab(uiobuf, table[t], &ksr[i]);
+				break;
+			}
+		}
+	}
+	kmem_free(ksr, sidx);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_stat(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+static int
+lxpr_convert_tcp_state(int st)
+{
+	/*
+	 * Derived from the enum located in the Linux kernel sources:
+	 * include/net/tcp_states.h
+	 */
+	switch (st) {
+	case TCPS_ESTABLISHED:
+		return (1);
+	case TCPS_SYN_SENT:
+		return (2);
+	case TCPS_SYN_RCVD:
+		return (3);
+	case TCPS_FIN_WAIT_1:
+		return (4);
+	case TCPS_FIN_WAIT_2:
+		return (5);
+	case TCPS_TIME_WAIT:
+		return (6);
+	case TCPS_CLOSED:
+		return (7);
+	case TCPS_CLOSE_WAIT:
+		return (8);
+	case TCPS_LAST_ACK:
+		return (9);
+	case TCPS_LISTEN:
+		return (10);
+	case TCPS_CLOSING:
+		return (11);
+	default:
+		/* No translation for TCPS_IDLE, TCPS_BOUND or anything else */
+		return (0);
+	}
+}
+
+static void
+lxpr_format_tcp(lxpr_uiobuf_t *uiobuf, ushort_t ipver)
+{
+	int i, sl = 0;
+	connf_t *connfp;
+	conn_t *connp;
+	netstack_t *ns;
+	ip_stack_t *ipst;
+
+	ASSERT(ipver == IPV4_VERSION || ipver == IPV6_VERSION);
+	if (ipver == IPV4_VERSION) {
+		lxpr_uiobuf_printf(uiobuf, "  sl  local_address rem_address   "
+		    "st tx_queue rx_queue tr tm->when retrnsmt   uid  timeout "
+		    "inode\n");
+	} else {
+		lxpr_uiobuf_printf(uiobuf, "  sl  "
+		    "local_address                         "
+		    "remote_address                        "
+		    "st tx_queue rx_queue tr tm->when retrnsmt   "
+		    "uid  timeout inode\n");
+	}
+	/*
+	 * Due to differences between the Linux and illumos TCP
+	 * implementations, some data will be omitted from the output here.
+	 *
+	 * Valid fields:
+	 *  - local_address
+	 *  - remote_address
+	 *  - st
+	 *  - tx_queue
+	 *  - rx_queue
+	 *  - uid
+	 *  - inode
+	 *
+	 * Omitted/invalid fields
+	 *  - tr
+	 *  - tm->when
+	 *  - retrnsmt
+	 *  - timeout
+	 */
+
+	ns = netstack_get_current();
+	if (ns == NULL)
+		return;
+	ipst = ns->netstack_ip;
+
+	for (i = 0; i < CONN_G_HASH_SIZE; i++) {
+		connfp = &ipst->ips_ipcl_globalhash_fanout[i];
+		connp = NULL;
+		while ((connp =
+		    ipcl_get_next_conn(connfp, connp, IPCL_TCPCONN)) != NULL) {
+			tcp_t *tcp;
+			vattr_t attr;
+			sonode_t *so = (sonode_t *)connp->conn_upper_handle;
+			vnode_t *vp = (so != NULL) ? so->so_vnode : NULL;
+			if (connp->conn_ipversion != ipver)
+				continue;
+			tcp = connp->conn_tcp;
+			if (ipver == IPV4_VERSION) {
+				lxpr_uiobuf_printf(uiobuf,
+				    "%4d: %08X:%04X %08X:%04X ",
+				    ++sl,
+				    connp->conn_laddr_v4,
+				    ntohs(connp->conn_lport),
+				    connp->conn_faddr_v4,
+				    ntohs(connp->conn_fport));
+			} else {
+				lxpr_uiobuf_printf(uiobuf, "%4d: "
+				    "%08X%08X%08X%08X:%04X "
+				    "%08X%08X%08X%08X:%04X ",
+				    ++sl,
+				    connp->conn_laddr_v6.s6_addr32[0],
+				    connp->conn_laddr_v6.s6_addr32[1],
+				    connp->conn_laddr_v6.s6_addr32[2],
+				    connp->conn_laddr_v6.s6_addr32[3],
+				    ntohs(connp->conn_lport),
+				    connp->conn_faddr_v6.s6_addr32[0],
+				    connp->conn_faddr_v6.s6_addr32[1],
+				    connp->conn_faddr_v6.s6_addr32[2],
+				    connp->conn_faddr_v6.s6_addr32[3],
+				    ntohs(connp->conn_fport));
+			}
+
+			/* fetch the simulated inode for the socket */
+			if (vp == NULL ||
+			    VOP_GETATTR(vp, &attr, 0, CRED(), NULL) != 0)
+				attr.va_nodeid = 0;
+
+			lxpr_uiobuf_printf(uiobuf,
+			    "%02X %08X:%08X %02X:%08X %08X "
+			    "%5u %8d %lu %d %p %u %u %u %u %d\n",
+			    lxpr_convert_tcp_state(tcp->tcp_state),
+			    tcp->tcp_rcv_cnt, tcp->tcp_unsent, /* rx/tx queue */
+			    0, 0, /* tr, when */
+			    0, /* per-connection rexmits aren't tracked today */
+			    connp->conn_cred->cr_uid,
+			    0, /* timeout */
+			    /* inode + more */
+			    (ino_t)attr.va_nodeid, 0, NULL, 0, 0, 0, 0, 0);
+		}
+	}
+	netstack_rele(ns);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_tcp(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	lxpr_format_tcp(uiobuf, IPV4_VERSION);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_tcp6(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	lxpr_format_tcp(uiobuf, IPV6_VERSION);
+}
+
+static void
+lxpr_format_udp(lxpr_uiobuf_t *uiobuf, ushort_t ipver)
+{
+	int i, sl = 0;
+	connf_t *connfp;
+	conn_t *connp;
+	netstack_t *ns;
+	ip_stack_t *ipst;
+
+	ASSERT(ipver == IPV4_VERSION || ipver == IPV6_VERSION);
+	if (ipver == IPV4_VERSION) {
+		lxpr_uiobuf_printf(uiobuf, "  sl  local_address rem_address"
+		    "   st tx_queue rx_queue tr tm->when retrnsmt   uid"
+		    "  timeout inode ref pointer drops\n");
+	} else {
+		lxpr_uiobuf_printf(uiobuf, "  sl  "
+		    "local_address                         "
+		    "remote_address                        "
+		    "st tx_queue rx_queue tr tm->when retrnsmt   "
+		    "uid  timeout inode ref pointer drops\n");
+	}
+	/*
+	 * Due to differences between the Linux and illumos UDP
+	 * implementations, some data will be omitted from the output here.
+	 *
+	 * Valid fields:
+	 *  - local_address
+	 *  - remote_address
+	 *  - st: limited
+	 *  - uid
+	 *
+	 * Omitted/invalid fields
+	 *  - tx_queue
+	 *  - rx_queue
+	 *  - tr
+	 *  - tm->when
+	 *  - retrnsmt
+	 *  - timeout
+	 *  - inode
+	 */
+
+	ns = netstack_get_current();
+	if (ns == NULL)
+		return;
+	ipst = ns->netstack_ip;
+
+	for (i = 0; i < CONN_G_HASH_SIZE; i++) {
+		connfp = &ipst->ips_ipcl_globalhash_fanout[i];
+		connp = NULL;
+		while ((connp =
+		    ipcl_get_next_conn(connfp, connp, IPCL_UDPCONN)) != NULL) {
+			udp_t *udp;
+			int state = 0;
+			vattr_t attr;
+			sonode_t *so = (sonode_t *)connp->conn_upper_handle;
+			vnode_t *vp = (so != NULL) ? so->so_vnode : NULL;
+			if (connp->conn_ipversion != ipver)
+				continue;
+			udp = connp->conn_udp;
+			if (ipver == IPV4_VERSION) {
+				lxpr_uiobuf_printf(uiobuf,
+				    "%4d: %08X:%04X %08X:%04X ",
+				    ++sl,
+				    connp->conn_laddr_v4,
+				    ntohs(connp->conn_lport),
+				    connp->conn_faddr_v4,
+				    ntohs(connp->conn_fport));
+			} else {
+				lxpr_uiobuf_printf(uiobuf, "%4d: "
+				    "%08X%08X%08X%08X:%04X "
+				    "%08X%08X%08X%08X:%04X ",
+				    ++sl,
+				    connp->conn_laddr_v6.s6_addr32[0],
+				    connp->conn_laddr_v6.s6_addr32[1],
+				    connp->conn_laddr_v6.s6_addr32[2],
+				    connp->conn_laddr_v6.s6_addr32[3],
+				    ntohs(connp->conn_lport),
+				    connp->conn_faddr_v6.s6_addr32[0],
+				    connp->conn_faddr_v6.s6_addr32[1],
+				    connp->conn_faddr_v6.s6_addr32[2],
+				    connp->conn_faddr_v6.s6_addr32[3],
+				    ntohs(connp->conn_fport));
+			}
+
+			switch (udp->udp_state) {
+			case TS_UNBND:
+			case TS_IDLE:
+				state = 7;
+				break;
+			case TS_DATA_XFER:
+				state = 1;
+				break;
+			}
+
+			/* fetch the simulated inode for the socket */
+			if (vp == NULL ||
+			    VOP_GETATTR(vp, &attr, 0, CRED(), NULL) != 0)
+				attr.va_nodeid = 0;
+
+			lxpr_uiobuf_printf(uiobuf,
+			    "%02X %08X:%08X %02X:%08X %08X "
+			    "%5u %8d %lu %d %p %d\n",
+			    state,
+			    0, 0, /* rx/tx queue */
+			    0, 0, /* tr, when */
+			    0, /* retrans */
+			    connp->conn_cred->cr_uid,
+			    0, /* timeout */
+			    /* inode, ref, pointer, drops */
+			    (ino_t)attr.va_nodeid, 0, NULL, 0);
+		}
+	}
+	netstack_rele(ns);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_udp(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	lxpr_format_udp(uiobuf, IPV4_VERSION);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_udp6(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	lxpr_format_udp(uiobuf, IPV6_VERSION);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_unix(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	sonode_t *so;
+	zoneid_t zoneid = getzoneid();
+
+	lxpr_uiobuf_printf(uiobuf, "Num       RefCount Protocol Flags    Type "
+	    "St Inode Path\n");
+
+	mutex_enter(&socklist.sl_lock);
+	for (so = socklist.sl_list; so != NULL;
+	    so = _SOTOTPI(so)->sti_next_so) {
+		vnode_t *vp = so->so_vnode;
+		vattr_t attr;
+		sotpi_info_t *sti;
+		const char *name = NULL;
+		int status = 0;
+		int type = 0;
+		int flags = 0;
+
+		/* Only process active sonodes in this zone */
+		if (so->so_count == 0 || so->so_zoneid != zoneid)
+			continue;
+
+		/*
+		 * Grab the inode, if possible.
+		 * This must be done before entering so_lock.
+		 */
+		if (vp == NULL ||
+		    VOP_GETATTR(vp, &attr, 0, CRED(), NULL) != 0)
+			attr.va_nodeid = 0;
+
+		mutex_enter(&so->so_lock);
+		sti = _SOTOTPI(so);
+
+		if (sti->sti_laddr_sa != NULL)
+			name = sti->sti_laddr_sa->sa_data;
+		else if (sti->sti_faddr_sa != NULL)
+			name = sti->sti_faddr_sa->sa_data;
+
+		/*
+		 * Derived from enum values in Linux kernel source:
+		 * include/uapi/linux/net.h
+		 */
+		if ((so->so_state & SS_ISDISCONNECTING) != 0) {
+			status = 4;
+		} else if ((so->so_state & SS_ISCONNECTING) != 0) {
+			status = 2;
+		} else if ((so->so_state & SS_ISCONNECTED) != 0) {
+			status = 3;
+		} else {
+			status = 1;
+			/* Add ACC flag for stream-type server sockets */
+			if (so->so_type != SOCK_DGRAM &&
+			    sti->sti_laddr_sa != NULL)
+				flags |= 0x10000;
+		}
+
+		/* Convert to Linux type */
+		switch (so->so_type) {
+		case SOCK_DGRAM:
+			type = 2;
+			break;
+		case SOCK_SEQPACKET:
+			type = 5;
+			break;
+		default:
+			type = 1;
+		}
+
+		lxpr_uiobuf_printf(uiobuf, "%p: %08X %08X %08X %04X %02X %5llu",
+		    so,
+		    so->so_count,
+		    0, /* proto, always 0 */
+		    flags,
+		    type,
+		    status,
+		    (ino_t)attr.va_nodeid);
+
+		/*
+		 * Due to shortcomings in the abstract socket emulation, they
+		 * cannot be properly represented here (as @<path>).
+		 *
+		 * This will be the case until they are better implemented.
+		 */
+		if (name != NULL)
+			lxpr_uiobuf_printf(uiobuf, " %s\n", name);
+		else
+			lxpr_uiobuf_printf(uiobuf, "\n");
+		mutex_exit(&so->so_lock);
+	}
+	mutex_exit(&socklist.sl_lock);
+}
+
+/*
+ * lxpr_read_kmsg(): read the contents of the kernel message queue. We
+ * translate this into the reception of console messages for this zone; each
+ * read copies out a single zone console message, or blocks until the next one
+ * is produced, unless we're open non-blocking, in which case we return after
+ * 1ms.
+ */
+
+#define	LX_KMSG_PRI	"<0>"
+
+static void
+lxpr_read_kmsg(lxpr_node_t *lxpnp, struct lxpr_uiobuf *uiobuf)
+{
+	ldi_handle_t	lh = lxpnp->lxpr_cons_ldih;
+	mblk_t		*mp;
+	timestruc_t	to;
+	timestruc_t	*tp = NULL;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_KMSG);
+
+	if (lxpr_uiobuf_nonblock(uiobuf)) {
+		to.tv_sec = 0;
+		to.tv_nsec = 1000000; /* 1msec */
+		tp = &to;
+	}
+
+	if (ldi_getmsg(lh, &mp, tp) == 0) {
+		/*
+		 * lx procfs doesn't like successive reads to the same file
+		 * descriptor unless we do an explicit rewind each time.
+		 */
+		lxpr_uiobuf_seek(uiobuf, 0);
+
+		lxpr_uiobuf_printf(uiobuf, "%s%s", LX_KMSG_PRI,
+		    mp->b_cont->b_rptr);
+
+		freemsg(mp);
+	}
+}
+
+/*
+ * lxpr_read_loadavg(): read the contents of the "loadavg" file.  We do just
+ * enough for uptime and other simple lxproc readers to work
+ */
+extern int nthread;
+
+static void
+lxpr_read_loadavg(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	ulong_t avenrun1;
+	ulong_t avenrun5;
+	ulong_t avenrun15;
+	ulong_t avenrun1_cs;
+	ulong_t avenrun5_cs;
+	ulong_t avenrun15_cs;
+	int loadavg[3];
+	int *loadbuf;
+	cpupart_t *cp;
+	zone_t *zone = LXPTOZ(lxpnp);
+
+	uint_t nrunnable = 0;
+	rctl_qty_t nlwps;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_LOADAVG);
+
+	mutex_enter(&cpu_lock);
+
+	/*
+	 * Need to add up values over all CPU partitions. If pools are active,
+	 * only report the values of the zone's partition, which by definition
+	 * includes the current CPU.
+	 */
+	if (pool_pset_enabled()) {
+		psetid_t psetid = zone_pset_get(curproc->p_zone);
+
+		ASSERT(curproc->p_zone != &zone0);
+		cp = CPU->cpu_part;
+
+		nrunnable = cp->cp_nrunning + cp->cp_nrunnable;
+		(void) cpupart_get_loadavg(psetid, &loadavg[0], 3);
+		loadbuf = &loadavg[0];
+	} else {
+		cp = cp_list_head;
+		do {
+			nrunnable += cp->cp_nrunning + cp->cp_nrunnable;
+		} while ((cp = cp->cp_next) != cp_list_head);
+
+		loadbuf = zone == global_zone ?
+		    &avenrun[0] : zone->zone_avenrun;
+	}
+
+	/*
+	 * If we're in the non-global zone, we'll report the total number of
+	 * LWPs in the zone for the "nproc" parameter of /proc/loadavg,
+	 * otherwise will just use nthread (which will include kernel threads,
+	 * but should be good enough for lxproc).
+	 */
+	nlwps = zone == global_zone ? nthread : zone->zone_nlwps;
+
+	mutex_exit(&cpu_lock);
+
+	avenrun1 = loadbuf[0] >> FSHIFT;
+	avenrun1_cs = ((loadbuf[0] & (FSCALE-1)) * 100) >> FSHIFT;
+	avenrun5 = loadbuf[1] >> FSHIFT;
+	avenrun5_cs = ((loadbuf[1] & (FSCALE-1)) * 100) >> FSHIFT;
+	avenrun15 = loadbuf[2] >> FSHIFT;
+	avenrun15_cs = ((loadbuf[2] & (FSCALE-1)) * 100) >> FSHIFT;
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "%ld.%02d %ld.%02d %ld.%02d %d/%d %d\n",
+	    avenrun1, avenrun1_cs,
+	    avenrun5, avenrun5_cs,
+	    avenrun15, avenrun15_cs,
+	    nrunnable, nlwps, 0);
+}
+
+/*
+ * lxpr_read_meminfo(): read the contents of the "meminfo" file.
+ */
+static void
+lxpr_read_meminfo(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	zone_t *zone = LXPTOZ(lxpnp);
+	int global = zone == global_zone;
+	long total_mem, free_mem, total_swap, used_swap;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_MEMINFO);
+
+	if (global || zone->zone_phys_mem_ctl == UINT64_MAX) {
+		total_mem = physmem * PAGESIZE;
+		free_mem = freemem * PAGESIZE;
+	} else {
+		total_mem = zone->zone_phys_mem_ctl;
+		free_mem = zone->zone_phys_mem_ctl - zone->zone_phys_mem;
+	}
+
+	if (global || zone->zone_max_swap_ctl == UINT64_MAX) {
+		total_swap = k_anoninfo.ani_max * PAGESIZE;
+		used_swap = k_anoninfo.ani_phys_resv * PAGESIZE;
+	} else {
+		mutex_enter(&zone->zone_mem_lock);
+		total_swap = zone->zone_max_swap_ctl;
+		used_swap = zone->zone_max_swap;
+		mutex_exit(&zone->zone_mem_lock);
+	}
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "MemTotal:  %8lu kB\n"
+	    "MemFree:   %8lu kB\n"
+	    "MemShared: %8u kB\n"
+	    "Buffers:   %8u kB\n"
+	    "Cached:    %8u kB\n"
+	    "SwapCached:%8u kB\n"
+	    "Active:    %8u kB\n"
+	    "Inactive:  %8u kB\n"
+	    "HighTotal: %8u kB\n"
+	    "HighFree:  %8u kB\n"
+	    "LowTotal:  %8u kB\n"
+	    "LowFree:   %8u kB\n"
+	    "SwapTotal: %8lu kB\n"
+	    "SwapFree:  %8lu kB\n",
+	    btok(total_mem),				/* MemTotal */
+	    btok(free_mem),				/* MemFree */
+	    0,						/* MemShared */
+	    0,						/* Buffers */
+	    0,						/* Cached */
+	    0,						/* SwapCached */
+	    0,						/* Active */
+	    0,						/* Inactive */
+	    0,						/* HighTotal */
+	    0,						/* HighFree */
+	    btok(total_mem),				/* LowTotal */
+	    btok(free_mem),				/* LowFree */
+	    btok(total_swap),				/* SwapTotal */
+	    btok(total_swap - used_swap));		/* SwapFree */
+}
+
+/*
+ * lxpr_read_mounts():
+ */
+/* ARGSUSED */
+static void
+lxpr_read_mounts(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	struct vfs *vfsp;
+	struct vfs *vfslist;
+	zone_t *zone = LXPTOZ(lxpnp);
+	struct print_data {
+		refstr_t *vfs_mntpt;
+		refstr_t *vfs_resource;
+		uint_t vfs_flag;
+		int vfs_fstype;
+		struct print_data *next;
+	} *print_head = NULL;
+	struct print_data **print_tail = &print_head;
+	struct print_data *printp;
+
+	vfs_list_read_lock();
+
+	if (zone == global_zone) {
+		vfsp = vfslist = rootvfs;
+	} else {
+		vfsp = vfslist = zone->zone_vfslist;
+		/*
+		 * If the zone has a root entry, it will be the first in
+		 * the list.  If it doesn't, we conjure one up.
+		 */
+		if (vfslist == NULL || strcmp(refstr_value(vfsp->vfs_mntpt),
+		    zone->zone_rootpath) != 0) {
+			struct vfs *tvfsp;
+			/*
+			 * The root of the zone is not a mount point.  The vfs
+			 * we want to report is that of the zone's root vnode.
+			 */
+			tvfsp = zone->zone_rootvp->v_vfsp;
+
+			lxpr_uiobuf_printf(uiobuf,
+			    "/ / %s %s 0 0\n",
+			    vfssw[tvfsp->vfs_fstype].vsw_name,
+			    tvfsp->vfs_flag & VFS_RDONLY ? "ro" : "rw");
+
+		}
+		if (vfslist == NULL) {
+			vfs_list_unlock();
+			return;
+		}
+	}
+
+	/*
+	 * Later on we have to do a lookupname, which can end up causing
+	 * another vfs_list_read_lock() to be called. Which can lead to a
+	 * deadlock. To avoid this, we extract the data we need into a local
+	 * list, then we can run this list without holding vfs_list_read_lock()
+	 * We keep the list in the same order as the vfs_list
+	 */
+	do {
+		/* Skip mounts we shouldn't show */
+		if (vfsp->vfs_flag & VFS_NOMNTTAB) {
+			goto nextfs;
+		}
+
+		printp = kmem_alloc(sizeof (*printp), KM_SLEEP);
+		refstr_hold(vfsp->vfs_mntpt);
+		printp->vfs_mntpt = vfsp->vfs_mntpt;
+		refstr_hold(vfsp->vfs_resource);
+		printp->vfs_resource = vfsp->vfs_resource;
+		printp->vfs_flag = vfsp->vfs_flag;
+		printp->vfs_fstype = vfsp->vfs_fstype;
+		printp->next = NULL;
+
+		*print_tail = printp;
+		print_tail = &printp->next;
+
+nextfs:
+		vfsp = (zone == global_zone) ?
+		    vfsp->vfs_next : vfsp->vfs_zone_next;
+
+	} while (vfsp != vfslist);
+
+	vfs_list_unlock();
+
+	/*
+	 * now we can run through what we've extracted without holding
+	 * vfs_list_read_lock()
+	 */
+	printp = print_head;
+	while (printp != NULL) {
+		struct print_data *printp_next;
+		const char *resource;
+		char *mntpt;
+		struct vnode *vp;
+		int error;
+
+		mntpt = (char *)refstr_value(printp->vfs_mntpt);
+		resource = refstr_value(printp->vfs_resource);
+
+		if (mntpt != NULL && mntpt[0] != '\0')
+			mntpt = ZONE_PATH_TRANSLATE(mntpt, zone);
+		else
+			mntpt = "-";
+
+		error = lookupname(mntpt, UIO_SYSSPACE, FOLLOW, NULLVPP, &vp);
+
+		if (error != 0)
+			goto nextp;
+
+		if (!(vp->v_flag & VROOT)) {
+			VN_RELE(vp);
+			goto nextp;
+		}
+		VN_RELE(vp);
+
+		if (resource != NULL && resource[0] != '\0') {
+			if (resource[0] == '/') {
+				resource = ZONE_PATH_VISIBLE(resource, zone) ?
+				    ZONE_PATH_TRANSLATE(resource, zone) :
+				    mntpt;
+			}
+		} else {
+			resource = "-";
+		}
+
+		lxpr_uiobuf_printf(uiobuf,
+		    "%s %s %s %s 0 0\n",
+		    resource, mntpt, vfssw[printp->vfs_fstype].vsw_name,
+		    printp->vfs_flag & VFS_RDONLY ? "ro" : "rw");
+
+nextp:
+		printp_next = printp->next;
+		refstr_rele(printp->vfs_mntpt);
+		refstr_rele(printp->vfs_resource);
+		kmem_free(printp, sizeof (*printp));
+		printp = printp_next;
+
+	}
+}
+
+/*
+ * lxpr_read_partitions():
+ *
+ * Over the years, /proc/partitions has been made considerably smaller -- to
+ * the point that it really is only major number, minor number, number of
+ * blocks (which we report as 0), and partition name.  We support this only
+ * because some things want to see it to make sense of /proc/diskstats.
+ */
+/* ARGSUSED */
+static void
+lxpr_read_partitions(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+
+	kstat_t *ksr;
+	kstat_t ks0;
+	int nidx, num, i;
+	size_t sidx, size;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PARTITIONS);
+
+	ks0.ks_kid = 0;
+	ksr = (kstat_t *)lxpr_kstat_read(&ks0, B_FALSE, &sidx, &nidx);
+
+	if (ksr == NULL)
+		return;
+
+	lxpr_uiobuf_printf(uiobuf, "major minor  #blocks  name\n\n");
+
+	for (i = 1; i < nidx; i++) {
+		kstat_t *ksp = &ksr[i];
+		kstat_io_t *kip;
+
+		if (ksp->ks_type != KSTAT_TYPE_IO ||
+		    strcmp(ksp->ks_class, "disk") != 0)
+			continue;
+
+		if ((kip = (kstat_io_t *)lxpr_kstat_read(ksp, B_TRUE,
+		    &size, &num)) == NULL)
+			continue;
+
+		if (size < sizeof (kstat_io_t)) {
+			kmem_free(kip, size);
+			continue;
+		}
+
+		lxpr_uiobuf_printf(uiobuf, "%4d %7d %10d %s\n",
+		    mod_name_to_major(ksp->ks_module),
+		    ksp->ks_instance, 0, ksp->ks_name);
+
+		kmem_free(kip, size);
+	}
+
+	kmem_free(ksr, sidx);
+}
+
+/*
+ * lxpr_read_diskstats():
+ *
+ * See the block comment above the per-device output-generating line for the
+ * details of the format.
+ */
+/* ARGSUSED */
+static void
+lxpr_read_diskstats(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	kstat_t *ksr;
+	kstat_t ks0;
+	int nidx, num, i;
+	size_t sidx, size;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_DISKSTATS);
+
+	ks0.ks_kid = 0;
+	ksr = (kstat_t *)lxpr_kstat_read(&ks0, B_FALSE, &sidx, &nidx);
+
+	if (ksr == NULL)
+		return;
+
+	for (i = 1; i < nidx; i++) {
+		kstat_t *ksp = &ksr[i];
+		kstat_io_t *kip;
+
+		if (ksp->ks_type != KSTAT_TYPE_IO ||
+		    strcmp(ksp->ks_class, "disk") != 0)
+			continue;
+
+		if ((kip = (kstat_io_t *)lxpr_kstat_read(ksp, B_TRUE,
+		    &size, &num)) == NULL)
+			continue;
+
+		if (size < sizeof (kstat_io_t)) {
+			kmem_free(kip, size);
+			continue;
+		}
+
+		/*
+		 * /proc/diskstats is defined to have one line of output for
+		 * each block device, with each line containing the following
+		 * 14 fields:
+		 *
+		 *	1 - major number
+		 *	2 - minor mumber
+		 *	3 - device name
+		 *	4 - reads completed successfully
+		 * 	5 - reads merged
+		 *	6 - sectors read
+		 *	7 - time spent reading (ms)
+		 *	8 - writes completed
+		 *	9 - writes merged
+		 *	10 - sectors written
+		 *	11 - time spent writing (ms)
+		 *	12 - I/Os currently in progress
+		 *	13 - time spent doing I/Os (ms)
+		 *	14 - weighted time spent doing I/Os (ms)
+		 *
+		 * One small hiccup:  we don't actually keep track of time
+		 * spent reading vs. time spent writing -- we keep track of
+		 * time waiting vs. time actually performing I/O.  While we
+		 * could divide the total time by the I/O mix (making the
+		 * obviously wrong assumption that I/O operations all take the
+		 * same amount of time), this has the undesirable side-effect
+		 * of moving backwards.  Instead, we report the total time
+		 * (read + write) for all three stats (read, write, total).
+		 * This is also a lie of sorts, but it should be more
+		 * immediately clear to the user that reads and writes are
+		 * each being double-counted as the other.
+		 */
+		lxpr_uiobuf_printf(uiobuf, "%4d %7d %s "
+		    "%llu %llu %llu %llu "
+		    "%llu %llu %llu %llu "
+		    "%llu %llu %llu\n",
+		    mod_name_to_major(ksp->ks_module),
+		    ksp->ks_instance, ksp->ks_name,
+		    (uint64_t)kip->reads, 0LL,
+		    kip->nread / (uint64_t)LXPR_SECTOR_SIZE,
+		    (kip->rtime + kip->wtime) / (uint64_t)(NANOSEC / MILLISEC),
+		    (uint64_t)kip->writes, 0LL,
+		    kip->nwritten / (uint64_t)LXPR_SECTOR_SIZE,
+		    (kip->rtime + kip->wtime) / (uint64_t)(NANOSEC / MILLISEC),
+		    (uint64_t)(kip->rcnt + kip->wcnt),
+		    (kip->rtime + kip->wtime) / (uint64_t)(NANOSEC / MILLISEC),
+		    (kip->rlentime + kip->wlentime) /
+		    (uint64_t)(NANOSEC / MILLISEC));
+
+		kmem_free(kip, size);
+	}
+
+	kmem_free(ksr, sidx);
+}
+
+/*
+ * lxpr_read_version(): read the contents of the "version" file.
+ */
+/* ARGSUSED */
+static void
+lxpr_read_version(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	char *vers;
+
+	vers = lx_get_zone_kern_version(LXPTOZ(lxpnp));
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "%s version %s (%s version %d.%d.%d) "
+	    "#%s SMP %s\n",
+	    LX_UNAME_SYSNAME, vers,
+#if defined(__GNUC__)
+	    "gcc",
+	    __GNUC__,
+	    __GNUC_MINOR__,
+	    __GNUC_PATCHLEVEL__,
+#else
+	    "Sun C",
+	    __SUNPRO_C / 0x100,
+	    (__SUNPRO_C & 0xff) / 0x10,
+	    __SUNPRO_C & 0xf,
+#endif
+	    LX_UNAME_VERSION,
+	    "00:00:00 00/00/00");
+}
+
+/*
+ * lxpr_read_stat(): read the contents of the "stat" file.
+ *
+ */
+/* ARGSUSED */
+static void
+lxpr_read_stat(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	cpu_t *cp, *cpstart;
+	int pools_enabled;
+	ulong_t idle_cum = 0;
+	ulong_t sys_cum  = 0;
+	ulong_t user_cum = 0;
+	ulong_t irq_cum = 0;
+	ulong_t cpu_nrunnable_cum = 0;
+	ulong_t w_io_cum = 0;
+
+	ulong_t pgpgin_cum    = 0;
+	ulong_t pgpgout_cum   = 0;
+	ulong_t pgswapout_cum = 0;
+	ulong_t pgswapin_cum  = 0;
+	ulong_t intr_cum = 0;
+	ulong_t pswitch_cum = 0;
+	ulong_t forks_cum = 0;
+	hrtime_t msnsecs[NCMSTATES];
+	char *lx_kern_version = lx_get_zone_kern_version(LXPTOZ(lxpnp));
+	/* temporary variable since scalehrtime modifies data in place */
+	hrtime_t tmptime;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_STAT);
+
+	mutex_enter(&cpu_lock);
+	pools_enabled = pool_pset_enabled();
+
+	/* Calculate cumulative stats */
+	cp = cpstart = CPU->cpu_part->cp_cpulist;
+	do {
+		int i;
+
+		/*
+		 * Don't count CPUs that aren't even in the system
+		 * or aren't up yet.
+		 */
+		if ((cp->cpu_flags & CPU_EXISTS) == 0) {
+			continue;
+		}
+
+		get_cpu_mstate(cp, msnsecs);
+
+		idle_cum += NSEC_TO_TICK(msnsecs[CMS_IDLE]);
+		sys_cum  += NSEC_TO_TICK(msnsecs[CMS_SYSTEM]);
+		user_cum += NSEC_TO_TICK(msnsecs[CMS_USER]);
+
+		pgpgin_cum += CPU_STATS(cp, vm.pgpgin);
+		pgpgout_cum += CPU_STATS(cp, vm.pgpgout);
+		pgswapin_cum += CPU_STATS(cp, vm.pgswapin);
+		pgswapout_cum += CPU_STATS(cp, vm.pgswapout);
+
+		if (strncmp(lx_kern_version, "2.4", 3) != 0) {
+			cpu_nrunnable_cum += cp->cpu_disp->disp_nrunnable;
+			w_io_cum += CPU_STATS(cp, sys.iowait);
+			for (i = 0; i < NCMSTATES; i++) {
+				tmptime = cp->cpu_intracct[i];
+				scalehrtime(&tmptime);
+				irq_cum += NSEC_TO_TICK(tmptime);
+			}
+		}
+
+		for (i = 0; i < PIL_MAX; i++)
+			intr_cum += CPU_STATS(cp, sys.intr[i]);
+
+		pswitch_cum += CPU_STATS(cp, sys.pswitch);
+		forks_cum += CPU_STATS(cp, sys.sysfork);
+		forks_cum += CPU_STATS(cp, sys.sysvfork);
+
+		if (pools_enabled)
+			cp = cp->cpu_next_part;
+		else
+			cp = cp->cpu_next;
+	} while (cp != cpstart);
+
+	if (strncmp(lx_kern_version, "2.4", 3) != 0) {
+		lxpr_uiobuf_printf(uiobuf,
+		    "cpu %lu %lu %lu %lu %lu %lu %lu\n",
+		    user_cum, 0L, sys_cum, idle_cum, 0L, irq_cum, 0L);
+	} else {
+		lxpr_uiobuf_printf(uiobuf,
+		    "cpu %lu %lu %lu %lu\n",
+		    user_cum, 0L, sys_cum, idle_cum);
+	}
+
+	/* Do per processor stats */
+	do {
+		int i;
+
+		ulong_t idle_ticks;
+		ulong_t sys_ticks;
+		ulong_t user_ticks;
+		ulong_t irq_ticks = 0;
+
+		/*
+		 * Don't count CPUs that aren't even in the system
+		 * or aren't up yet.
+		 */
+		if ((cp->cpu_flags & CPU_EXISTS) == 0) {
+			continue;
+		}
+
+		get_cpu_mstate(cp, msnsecs);
+
+		idle_ticks = NSEC_TO_TICK(msnsecs[CMS_IDLE]);
+		sys_ticks  = NSEC_TO_TICK(msnsecs[CMS_SYSTEM]);
+		user_ticks = NSEC_TO_TICK(msnsecs[CMS_USER]);
+
+		for (i = 0; i < NCMSTATES; i++) {
+			tmptime = cp->cpu_intracct[i];
+			scalehrtime(&tmptime);
+			irq_ticks += NSEC_TO_TICK(tmptime);
+		}
+
+		if (strncmp(lx_kern_version, "2.4", 3) != 0) {
+			lxpr_uiobuf_printf(uiobuf,
+			    "cpu%d %lu %lu %lu %lu %lu %lu %lu\n",
+			    cp->cpu_id, user_ticks, 0L, sys_ticks, idle_ticks,
+			    0L, irq_ticks, 0L);
+		} else {
+			lxpr_uiobuf_printf(uiobuf,
+			    "cpu%d %lu %lu %lu %lu\n",
+			    cp->cpu_id,
+			    user_ticks, 0L, sys_ticks, idle_ticks);
+		}
+
+		if (pools_enabled)
+			cp = cp->cpu_next_part;
+		else
+			cp = cp->cpu_next;
+	} while (cp != cpstart);
+
+	mutex_exit(&cpu_lock);
+
+	if (strncmp(lx_kern_version, "2.4", 3) != 0) {
+		lxpr_uiobuf_printf(uiobuf,
+		    "page %lu %lu\n"
+		    "swap %lu %lu\n"
+		    "intr %lu\n"
+		    "ctxt %lu\n"
+		    "btime %lu\n"
+		    "processes %lu\n"
+		    "procs_running %lu\n"
+		    "procs_blocked %lu\n",
+		    pgpgin_cum, pgpgout_cum,
+		    pgswapin_cum, pgswapout_cum,
+		    intr_cum,
+		    pswitch_cum,
+		    boot_time,
+		    forks_cum,
+		    cpu_nrunnable_cum,
+		    w_io_cum);
+	} else {
+		lxpr_uiobuf_printf(uiobuf,
+		    "page %lu %lu\n"
+		    "swap %lu %lu\n"
+		    "intr %lu\n"
+		    "ctxt %lu\n"
+		    "btime %lu\n"
+		    "processes %lu\n",
+		    pgpgin_cum, pgpgout_cum,
+		    pgswapin_cum, pgswapout_cum,
+		    intr_cum,
+		    pswitch_cum,
+		    boot_time,
+		    forks_cum);
+	}
+}
+
+/*
+ * lxpr_read_swaps():
+ *
+ * We don't support swap files or partitions, so just provide a dummy file with
+ * the necessary header.
+ */
+/* ARGSUSED */
+static void
+lxpr_read_swaps(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	lxpr_uiobuf_printf(uiobuf,
+	    "Filename                                "
+	    "Type            Size    Used    Priority\n");
+}
+
+/*
+ * inotify tunables exported via /proc.
+ */
+extern int inotify_maxevents;
+extern int inotify_maxinstances;
+extern int inotify_maxwatches;
+
+static void
+lxpr_read_sys_fs_inotify_max_queued_events(lxpr_node_t *lxpnp,
+    lxpr_uiobuf_t *uiobuf)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_SYS_FS_INOTIFY_MAX_QUEUED_EVENTS);
+	lxpr_uiobuf_printf(uiobuf, "%d\n", inotify_maxevents);
+}
+
+static void
+lxpr_read_sys_fs_inotify_max_user_instances(lxpr_node_t *lxpnp,
+    lxpr_uiobuf_t *uiobuf)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_SYS_FS_INOTIFY_MAX_USER_INSTANCES);
+	lxpr_uiobuf_printf(uiobuf, "%d\n", inotify_maxinstances);
+}
+
+static void
+lxpr_read_sys_fs_inotify_max_user_watches(lxpr_node_t *lxpnp,
+    lxpr_uiobuf_t *uiobuf)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_SYS_FS_INOTIFY_MAX_USER_WATCHES);
+	lxpr_uiobuf_printf(uiobuf, "%d\n", inotify_maxwatches);
+}
+
+static void
+lxpr_read_sys_kernel_hostname(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_SYS_KERNEL_HOSTNAME);
+	lxpr_uiobuf_printf(uiobuf, "%s\n", uts_nodename());
+}
+
+static void
+lxpr_read_sys_kernel_msgmni(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	rctl_qty_t val;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_SYS_KERNEL_MSGMNI);
+
+	mutex_enter(&curproc->p_lock);
+	val = rctl_enforced_value(rc_zone_msgmni,
+	    curproc->p_zone->zone_rctls, curproc);
+	mutex_exit(&curproc->p_lock);
+
+	lxpr_uiobuf_printf(uiobuf, "%u\n", (uint_t)val);
+}
+
+static void
+lxpr_read_sys_kernel_ngroups_max(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_SYS_KERNEL_NGROUPS_MAX);
+	lxpr_uiobuf_printf(uiobuf, "%d\n", ngroups_max);
+}
+
+static void
+lxpr_read_sys_kernel_pid_max(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_SYS_KERNEL_PID_MAX);
+	lxpr_uiobuf_printf(uiobuf, "%d\n", maxpid);
+}
+
+static void
+lxpr_read_sys_kernel_shmmax(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	rctl_qty_t val;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_SYS_KERNEL_SHMMAX);
+
+	mutex_enter(&curproc->p_lock);
+	val = rctl_enforced_value(rc_zone_shmmax,
+	    curproc->p_zone->zone_rctls, curproc);
+	mutex_exit(&curproc->p_lock);
+
+	if (val > FOURGB)
+		val = FOURGB;
+
+	lxpr_uiobuf_printf(uiobuf, "%u\n", (uint_t)val);
+}
+
+static void
+lxpr_read_sys_kernel_threads_max(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_SYS_KERNEL_THREADS_MAX);
+	lxpr_uiobuf_printf(uiobuf, "%d\n", curproc->p_zone->zone_nlwps_ctl);
+}
+
+/*
+ * lxpr_read_uptime(): read the contents of the "uptime" file.
+ *
+ * format is: "%.2lf, %.2lf",uptime_secs, idle_secs
+ * Use fixed point arithmetic to get 2 decimal places
+ */
+/* ARGSUSED */
+static void
+lxpr_read_uptime(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	cpu_t *cp, *cpstart;
+	int pools_enabled;
+	ulong_t idle_cum = 0;
+	ulong_t cpu_count = 0;
+	ulong_t idle_s;
+	ulong_t idle_cs;
+	ulong_t up_s;
+	ulong_t up_cs;
+	hrtime_t birthtime;
+	hrtime_t centi_sec = 10000000;  /* 10^7 */
+
+	ASSERT(lxpnp->lxpr_type == LXPR_UPTIME);
+
+	/* Calculate cumulative stats */
+	mutex_enter(&cpu_lock);
+	pools_enabled = pool_pset_enabled();
+
+	cp = cpstart = CPU;
+	do {
+		/*
+		 * Don't count CPUs that aren't even in the system
+		 * or aren't up yet.
+		 */
+		if ((cp->cpu_flags & CPU_EXISTS) == 0) {
+			continue;
+		}
+
+		idle_cum += CPU_STATS(cp, sys.cpu_ticks_idle);
+		idle_cum += CPU_STATS(cp, sys.cpu_ticks_wait);
+		cpu_count += 1;
+
+		if (pools_enabled)
+			cp = cp->cpu_next_part;
+		else
+			cp = cp->cpu_next;
+	} while (cp != cpstart);
+	mutex_exit(&cpu_lock);
+
+	/* Getting the Zone zsched process startup time */
+	birthtime = LXPTOZ(lxpnp)->zone_zsched->p_mstart;
+	up_cs = (gethrtime() - birthtime) / centi_sec;
+	up_s = up_cs / 100;
+	up_cs %= 100;
+
+	ASSERT(cpu_count > 0);
+	idle_cum /= cpu_count;
+	idle_s = idle_cum / hz;
+	idle_cs = idle_cum % hz;
+	idle_cs *= 100;
+	idle_cs /= hz;
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "%ld.%02d %ld.%02d\n", up_s, up_cs, idle_s, idle_cs);
+}
+
+static const char *amd_x_edx[] = {
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	NULL,	NULL,	"syscall",
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	NULL,	NULL,	"mp",
+	"nx",	NULL,	"mmxext", NULL,
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	"lm",	"3dnowext", "3dnow"
+};
+
+static const char *amd_x_ecx[] = {
+	"lahf_lm", NULL, "svm", NULL,
+	"altmovcr8"
+};
+
+static const char *tm_x_edx[] = {
+	"recovery", "longrun", NULL, "lrti"
+};
+
+/*
+ * Intel calls no-execute "xd" in its docs, but Linux still reports it as "nx."
+ */
+static const char *intc_x_edx[] = {
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	NULL,	NULL,	"syscall",
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	NULL,	NULL,	NULL,
+	"nx",	NULL,	NULL,   NULL,
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	"lm",   NULL,   NULL
+};
+
+static const char *intc_edx[] = {
+	"fpu",	"vme",	"de",	"pse",
+	"tsc",	"msr",	"pae",	"mce",
+	"cx8",	"apic",	 NULL,	"sep",
+	"mtrr",	"pge",	"mca",	"cmov",
+	"pat",	"pse36", "pn",	"clflush",
+	NULL,	"dts",	"acpi",	"mmx",
+	"fxsr",	"sse",	"sse2",	"ss",
+	"ht",	"tm",	"ia64",	"pbe"
+};
+
+/*
+ * "sse3" on linux is called "pni" (Prescott New Instructions).
+ */
+static const char *intc_ecx[] = {
+	"pni",	NULL,	NULL, "monitor",
+	"ds_cpl", NULL,	NULL, "est",
+	"tm2",	NULL,	"cid", NULL,
+	NULL,	"cx16",	"xtpr"
+};
+
+static void
+lxpr_read_cpuinfo(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	int i;
+	uint32_t bits;
+	cpu_t *cp, *cpstart;
+	int pools_enabled;
+	const char **fp;
+	char brandstr[CPU_IDSTRLEN];
+	struct cpuid_regs cpr;
+	int maxeax;
+	int std_ecx, std_edx, ext_ecx, ext_edx;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_CPUINFO);
+
+	mutex_enter(&cpu_lock);
+	pools_enabled = pool_pset_enabled();
+
+	cp = cpstart = CPU;
+	do {
+		/*
+		 * This returns the maximum eax value for standard cpuid
+		 * functions in eax.
+		 */
+		cpr.cp_eax = 0;
+		(void) cpuid_insn(cp, &cpr);
+		maxeax = cpr.cp_eax;
+
+		/*
+		 * Get standard x86 feature flags.
+		 */
+		cpr.cp_eax = 1;
+		(void) cpuid_insn(cp, &cpr);
+		std_ecx = cpr.cp_ecx;
+		std_edx = cpr.cp_edx;
+
+		/*
+		 * Now get extended feature flags.
+		 */
+		cpr.cp_eax = 0x80000001;
+		(void) cpuid_insn(cp, &cpr);
+		ext_ecx = cpr.cp_ecx;
+		ext_edx = cpr.cp_edx;
+
+		(void) cpuid_getbrandstr(cp, brandstr, CPU_IDSTRLEN);
+
+		lxpr_uiobuf_printf(uiobuf,
+		    "processor\t: %d\n"
+		    "vendor_id\t: %s\n"
+		    "cpu family\t: %d\n"
+		    "model\t\t: %d\n"
+		    "model name\t: %s\n"
+		    "stepping\t: %d\n"
+		    "cpu MHz\t\t: %u.%03u\n",
+		    cp->cpu_id, cpuid_getvendorstr(cp), cpuid_getfamily(cp),
+		    cpuid_getmodel(cp), brandstr, cpuid_getstep(cp),
+		    (uint32_t)(cpu_freq_hz / 1000000),
+		    ((uint32_t)(cpu_freq_hz / 1000)) % 1000);
+
+		lxpr_uiobuf_printf(uiobuf, "cache size\t: %u KB\n",
+		    getl2cacheinfo(cp, NULL, NULL, NULL) / 1024);
+
+		if (is_x86_feature(x86_featureset, X86FSET_HTT)) {
+			/*
+			 * 'siblings' is used for HT-style threads
+			 */
+			lxpr_uiobuf_printf(uiobuf,
+			    "physical id\t: %lu\n"
+			    "siblings\t: %u\n",
+			    pg_plat_hw_instance_id(cp, PGHW_CHIP),
+			    cpuid_get_ncpu_per_chip(cp));
+		}
+
+		/*
+		 * Since we're relatively picky about running on older hardware,
+		 * we can be somewhat cavalier about the answers to these ones.
+		 *
+		 * In fact, given the hardware we support, we just say:
+		 *
+		 *	fdiv_bug	: no	(if we're on a 64-bit kernel)
+		 *	hlt_bug		: no
+		 *	f00f_bug	: no
+		 *	coma_bug	: no
+		 *	wp		: yes	(write protect in supervsr mode)
+		 */
+		lxpr_uiobuf_printf(uiobuf,
+		    "fdiv_bug\t: %s\n"
+		    "hlt_bug \t: no\n"
+		    "f00f_bug\t: no\n"
+		    "coma_bug\t: no\n"
+		    "fpu\t\t: %s\n"
+		    "fpu_exception\t: %s\n"
+		    "cpuid level\t: %d\n"
+		    "flags\t\t:",
+#if defined(__i386)
+		    fpu_pentium_fdivbug ? "yes" : "no",
+#else
+		    "no",
+#endif /* __i386 */
+		    fpu_exists ? "yes" : "no", fpu_exists ? "yes" : "no",
+		    maxeax);
+
+		for (bits = std_edx, fp = intc_edx, i = 0;
+		    i < sizeof (intc_edx) / sizeof (intc_edx[0]); fp++, i++)
+			if ((bits & (1 << i)) != 0 && *fp)
+				lxpr_uiobuf_printf(uiobuf, " %s", *fp);
+
+		/*
+		 * name additional features where appropriate
+		 */
+		switch (x86_vendor) {
+		case X86_VENDOR_Intel:
+			for (bits = ext_edx, fp = intc_x_edx, i = 0;
+			    i < sizeof (intc_x_edx) / sizeof (intc_x_edx[0]);
+			    fp++, i++)
+				if ((bits & (1 << i)) != 0 && *fp)
+					lxpr_uiobuf_printf(uiobuf, " %s", *fp);
+			break;
+
+		case X86_VENDOR_AMD:
+			for (bits = ext_edx, fp = amd_x_edx, i = 0;
+			    i < sizeof (amd_x_edx) / sizeof (amd_x_edx[0]);
+			    fp++, i++)
+				if ((bits & (1 << i)) != 0 && *fp)
+					lxpr_uiobuf_printf(uiobuf, " %s", *fp);
+
+			for (bits = ext_ecx, fp = amd_x_ecx, i = 0;
+			    i < sizeof (amd_x_ecx) / sizeof (amd_x_ecx[0]);
+			    fp++, i++)
+				if ((bits & (1 << i)) != 0 && *fp)
+					lxpr_uiobuf_printf(uiobuf, " %s", *fp);
+			break;
+
+		case X86_VENDOR_TM:
+			for (bits = ext_edx, fp = tm_x_edx, i = 0;
+			    i < sizeof (tm_x_edx) / sizeof (tm_x_edx[0]);
+			    fp++, i++)
+				if ((bits & (1 << i)) != 0 && *fp)
+					lxpr_uiobuf_printf(uiobuf, " %s", *fp);
+			break;
+		default:
+			break;
+		}
+
+		for (bits = std_ecx, fp = intc_ecx, i = 0;
+		    i < sizeof (intc_ecx) / sizeof (intc_ecx[0]); fp++, i++)
+			if ((bits & (1 << i)) != 0 && *fp)
+				lxpr_uiobuf_printf(uiobuf, " %s", *fp);
+
+		lxpr_uiobuf_printf(uiobuf, "\n\n");
+
+		if (pools_enabled)
+			cp = cp->cpu_next_part;
+		else
+			cp = cp->cpu_next;
+	} while (cp != cpstart);
+
+	mutex_exit(&cpu_lock);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_fd(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_FD_FD);
+	lxpr_uiobuf_seterr(uiobuf, EFAULT);
+}
+
+/*
+ * lxpr_getattr(): Vnode operation for VOP_GETATTR()
+ */
+static int
+lxpr_getattr(vnode_t *vp, vattr_t *vap, int flags, cred_t *cr,
+    caller_context_t *ct)
+{
+	register lxpr_node_t *lxpnp = VTOLXP(vp);
+	lxpr_nodetype_t type = lxpnp->lxpr_type;
+	extern uint_t nproc;
+	int error;
+
+	/*
+	 * Return attributes of underlying vnode if ATTR_REAL
+	 *
+	 * but keep fd files with the symlink permissions
+	 */
+	if (lxpnp->lxpr_realvp != NULL && (flags & ATTR_REAL)) {
+		vnode_t *rvp = lxpnp->lxpr_realvp;
+
+		/*
+		 * withold attribute information to owner or root
+		 */
+		if ((error = VOP_ACCESS(rvp, 0, 0, cr, ct)) != 0) {
+			return (error);
+		}
+
+		/*
+		 * now its attributes
+		 */
+		if ((error = VOP_GETATTR(rvp, vap, flags, cr, ct)) != 0) {
+			return (error);
+		}
+
+		/*
+		 * if it's a file in lx /proc/pid/fd/xx then set its
+		 * mode and keep it looking like a symlink, fifo or socket
+		 */
+		if (type == LXPR_PID_FD_FD) {
+			vap->va_mode = lxpnp->lxpr_mode;
+			vap->va_type = lxpnp->lxpr_realvp->v_type;
+			vap->va_size = 0;
+			vap->va_nlink = 1;
+		}
+		return (0);
+	}
+
+	/* Default attributes, that may be overridden below */
+	bzero(vap, sizeof (*vap));
+	vap->va_atime = vap->va_mtime = vap->va_ctime = lxpnp->lxpr_time;
+	vap->va_nlink = 1;
+	vap->va_type = vp->v_type;
+	vap->va_mode = lxpnp->lxpr_mode;
+	vap->va_fsid = vp->v_vfsp->vfs_dev;
+	vap->va_blksize = DEV_BSIZE;
+	vap->va_uid = lxpnp->lxpr_uid;
+	vap->va_gid = lxpnp->lxpr_gid;
+	vap->va_nodeid = lxpnp->lxpr_ino;
+
+	switch (type) {
+	case LXPR_PROCDIR:
+		vap->va_nlink = nproc + 2 + PROCDIRFILES;
+		vap->va_size = (nproc + 2 + PROCDIRFILES) * LXPR_SDSIZE;
+		break;
+	case LXPR_PIDDIR:
+		vap->va_nlink = PIDDIRFILES;
+		vap->va_size = PIDDIRFILES * LXPR_SDSIZE;
+		break;
+	case LXPR_PID_TASK_IDDIR:
+		vap->va_nlink = TIDDIRFILES;
+		vap->va_size = TIDDIRFILES * LXPR_SDSIZE;
+		break;
+	case LXPR_SELF:
+		vap->va_uid = crgetruid(curproc->p_cred);
+		vap->va_gid = crgetrgid(curproc->p_cred);
+		break;
+	case LXPR_PID_FD_FD:
+	case LXPR_PID_TID_FD_FD:
+		/*
+		 * Restore VLNK type for lstat-type activity.
+		 * See lxpr_readlink for more details.
+		 */
+		if ((flags & FOLLOW) == 0)
+			vap->va_type = VLNK;
+	default:
+		break;
+	}
+
+	vap->va_nblocks = (fsblkcnt64_t)btod(vap->va_size);
+	return (0);
+}
+
+/*
+ * lxpr_access(): Vnode operation for VOP_ACCESS()
+ */
+static int
+lxpr_access(vnode_t *vp, int mode, int flags, cred_t *cr, caller_context_t *ct)
+{
+	lxpr_node_t *lxpnp = VTOLXP(vp);
+	int shift = 0;
+	proc_t *tp;
+
+	/* lx /proc is a read only file system */
+	if (mode & VWRITE)
+		return (EROFS);
+
+	/*
+	 * If this is a restricted file, check access permissions.
+	 */
+	switch (lxpnp->lxpr_type) {
+	case LXPR_PIDDIR:
+		return (0);
+	case LXPR_PID_CURDIR:
+	case LXPR_PID_ENV:
+	case LXPR_PID_EXE:
+	case LXPR_PID_LIMITS:
+	case LXPR_PID_MAPS:
+	case LXPR_PID_MEM:
+	case LXPR_PID_ROOTDIR:
+	case LXPR_PID_FDDIR:
+	case LXPR_PID_FD_FD:
+	case LXPR_PID_TID_FDDIR:
+	case LXPR_PID_TID_FD_FD:
+		if ((tp = lxpr_lock(lxpnp->lxpr_pid)) == NULL)
+			return (ENOENT);
+		if (tp != curproc && secpolicy_proc_access(cr) != 0 &&
+		    priv_proc_cred_perm(cr, tp, NULL, mode) != 0) {
+			lxpr_unlock(tp);
+			return (EACCES);
+		}
+		lxpr_unlock(tp);
+	default:
+		break;
+	}
+
+	if (lxpnp->lxpr_realvp != NULL) {
+		/*
+		 * For these we use the underlying vnode's accessibility.
+		 */
+		return (VOP_ACCESS(lxpnp->lxpr_realvp, mode, flags, cr, ct));
+	}
+
+	/* If user is root allow access regardless of permission bits */
+	if (secpolicy_proc_access(cr) == 0)
+		return (0);
+
+	/*
+	 * Access check is based on only one of owner, group, public.  If not
+	 * owner, then check group.  If not a member of the group, then check
+	 * public access.
+	 */
+	if (crgetuid(cr) != lxpnp->lxpr_uid) {
+		shift += 3;
+		if (!groupmember((uid_t)lxpnp->lxpr_gid, cr))
+			shift += 3;
+	}
+
+	mode &= ~(lxpnp->lxpr_mode << shift);
+
+	if (mode == 0)
+		return (0);
+
+	return (EACCES);
+}
+
+/* ARGSUSED */
+static vnode_t *
+lxpr_lookup_not_a_dir(vnode_t *dp, char *comp)
+{
+	return (NULL);
+}
+
+/*
+ * lxpr_lookup(): Vnode operation for VOP_LOOKUP()
+ */
+/* ARGSUSED */
+static int
+lxpr_lookup(vnode_t *dp, char *comp, vnode_t **vpp, pathname_t *pathp,
+	int flags, vnode_t *rdir, cred_t *cr, caller_context_t *ct,
+	int *direntflags, pathname_t *realpnp)
+{
+	lxpr_node_t *lxpnp = VTOLXP(dp);
+	lxpr_nodetype_t type = lxpnp->lxpr_type;
+	int error;
+
+	ASSERT(dp->v_type == VDIR);
+	ASSERT(type < LXPR_NFILES);
+
+	/*
+	 * we should never get here because the lookup
+	 * is done on the realvp for these nodes
+	 */
+	ASSERT(type != LXPR_PID_FD_FD &&
+	    type != LXPR_PID_CURDIR &&
+	    type != LXPR_PID_ROOTDIR);
+
+	/*
+	 * restrict lookup permission to owner or root
+	 */
+	if ((error = lxpr_access(dp, VEXEC, 0, cr, ct)) != 0) {
+		return (error);
+	}
+
+	/*
+	 * Just return the parent vnode if that's where we are trying to go.
+	 */
+	if (strcmp(comp, "..") == 0) {
+		VN_HOLD(lxpnp->lxpr_parent);
+		*vpp = lxpnp->lxpr_parent;
+		return (0);
+	}
+
+	/*
+	 * Special handling for directory searches.  Note: null component name
+	 * denotes that the current directory is being searched.
+	 */
+	if ((dp->v_type == VDIR) && (*comp == '\0' || strcmp(comp, ".") == 0)) {
+		VN_HOLD(dp);
+		*vpp = dp;
+		return (0);
+	}
+
+	*vpp = (lxpr_lookup_function[type](dp, comp));
+	return ((*vpp == NULL) ? ENOENT : 0);
+}
+
+/*
+ * Do a sequential search on the given directory table
+ */
+static vnode_t *
+lxpr_lookup_common(vnode_t *dp, char *comp, proc_t *p,
+    lxpr_dirent_t *dirtab, int dirtablen)
+{
+	lxpr_node_t *lxpnp;
+	int count;
+
+	for (count = 0; count < dirtablen; count++) {
+		if (strcmp(dirtab[count].d_name, comp) == 0) {
+			lxpnp = lxpr_getnode(dp, dirtab[count].d_type, p, 0);
+			dp = LXPTOV(lxpnp);
+			ASSERT(dp != NULL);
+			return (dp);
+		}
+	}
+	return (NULL);
+}
+
+static vnode_t *
+lxpr_lookup_piddir(vnode_t *dp, char *comp)
+{
+	proc_t *p;
+
+	ASSERT(VTOLXP(dp)->lxpr_type == LXPR_PIDDIR);
+
+	p = lxpr_lock(VTOLXP(dp)->lxpr_pid);
+	if (p == NULL)
+		return (NULL);
+
+	dp = lxpr_lookup_common(dp, comp, p, piddir, PIDDIRFILES);
+
+	lxpr_unlock(p);
+
+	return (dp);
+}
+
+/*
+ * Lookup one of the process's task ID's.
+ */
+static vnode_t *
+lxpr_lookup_taskdir(vnode_t *dp, char *comp)
+{
+	lxpr_node_t *dlxpnp = VTOLXP(dp);
+	lxpr_node_t *lxpnp;
+	proc_t *p;
+	pid_t real_pid;
+	uint_t tid;
+	int c;
+	kthread_t *t;
+
+	ASSERT(dlxpnp->lxpr_type == LXPR_PID_TASKDIR);
+
+	/*
+	 * convert the string rendition of the filename to a thread ID
+	 */
+	tid = 0;
+	while ((c = *comp++) != '\0') {
+		int otid;
+		if (c < '0' || c > '9')
+			return (NULL);
+
+		otid = tid;
+		tid = 10 * tid + c - '0';
+		/* integer overflow */
+		if (tid / 10 != otid)
+			return (NULL);
+	}
+
+	/*
+	 * get the proc to work with and lock it
+	 */
+	real_pid = get_real_pid(dlxpnp->lxpr_pid);
+	p = lxpr_lock(real_pid);
+	if ((p == NULL))
+		return (NULL);
+
+	/*
+	 * If the process is a zombie or system process
+	 * it can't have any threads.
+	 */
+	if ((p->p_stat == SZOMB) || (p->p_flag & SSYS) || (p->p_as == &kas)) {
+		lxpr_unlock(p);
+		return (NULL);
+	}
+
+	t = lxpr_get_thread(p, tid);
+	if (t == NULL) {
+		lxpr_unlock(p);
+		return (NULL);
+	}
+	thread_unlock(t);
+
+	/*
+	 * Allocate and fill in a new lx /proc taskid node.
+	 * Instead of the last arg being a fd, it is a tid.
+	 */
+	lxpnp = lxpr_getnode(dp, LXPR_PID_TASK_IDDIR, p, tid);
+	dp = LXPTOV(lxpnp);
+	ASSERT(dp != NULL);
+	lxpr_unlock(p);
+	return (dp);
+}
+
+/*
+ * Lookup one of the process's task ID's.
+ */
+static vnode_t *
+lxpr_lookup_task_tid_dir(vnode_t *dp, char *comp)
+{
+	lxpr_node_t *dlxpnp = VTOLXP(dp);
+	lxpr_node_t *lxpnp;
+	proc_t *p;
+	pid_t real_pid;
+	kthread_t *t;
+	int i;
+
+	ASSERT(dlxpnp->lxpr_type == LXPR_PID_TASK_IDDIR);
+
+	/*
+	 * get the proc to work with and lock it
+	 */
+	real_pid = get_real_pid(dlxpnp->lxpr_pid);
+	p = lxpr_lock(real_pid);
+	if ((p == NULL))
+		return (NULL);
+
+	/*
+	 * If the process is a zombie or system process
+	 * it can't have any threads.
+	 */
+	if ((p->p_stat == SZOMB) || (p->p_flag & SSYS) || (p->p_as == &kas)) {
+		lxpr_unlock(p);
+		return (NULL);
+	}
+
+	/* need to confirm tid is still there */
+	t = lxpr_get_thread(p, dlxpnp->lxpr_desc);
+	if (t == NULL) {
+		lxpr_unlock(p);
+		return (NULL);
+	}
+	thread_unlock(t);
+
+	/*
+	 * allocate and fill in the new lx /proc taskid dir node
+	 */
+	for (i = 0; i < TIDDIRFILES; i++) {
+		if (strcmp(tiddir[i].d_name, comp) == 0) {
+			lxpnp = lxpr_getnode(dp, tiddir[i].d_type, p,
+			    dlxpnp->lxpr_desc);
+			dp = LXPTOV(lxpnp);
+			ASSERT(dp != NULL);
+			lxpr_unlock(p);
+			return (dp);
+		}
+	}
+
+	lxpr_unlock(p);
+	return (NULL);
+}
+
+/*
+ * Lookup one of the process's open files.
+ */
+static vnode_t *
+lxpr_lookup_fddir(vnode_t *dp, char *comp)
+{
+	lxpr_node_t *dlxpnp = VTOLXP(dp);
+	lxpr_node_t *lxpnp;
+	vnode_t *vp = NULL;
+	proc_t *p;
+	file_t *fp;
+	uint_t fd;
+	int c;
+	uf_entry_t *ufp;
+	uf_info_t *fip;
+
+	ASSERT(dlxpnp->lxpr_type == LXPR_PID_FDDIR ||
+	    dlxpnp->lxpr_type == LXPR_PID_TID_FDDIR);
+
+	/*
+	 * convert the string rendition of the filename
+	 * to a file descriptor
+	 */
+	fd = 0;
+	while ((c = *comp++) != '\0') {
+		int ofd;
+		if (c < '0' || c > '9')
+			return (NULL);
+
+		ofd = fd;
+		fd = 10*fd + c - '0';
+		/* integer overflow */
+		if (fd / 10 != ofd)
+			return (NULL);
+	}
+
+	/*
+	 * get the proc to work with and lock it
+	 */
+	p = lxpr_lock(dlxpnp->lxpr_pid);
+	if ((p == NULL))
+		return (NULL);
+
+	/*
+	 * If the process is a zombie or system process
+	 * it can't have any open files.
+	 */
+	if ((p->p_stat == SZOMB) || (p->p_flag & SSYS) || (p->p_as == &kas)) {
+		lxpr_unlock(p);
+		return (NULL);
+	}
+
+	/*
+	 * get us a fresh node/vnode
+	 */
+	lxpnp = lxpr_getnode(dp, LXPR_PID_FD_FD, p, fd);
+
+	/*
+	 * Drop p_lock, but keep the process P_PR_LOCK'd to prevent it from
+	 * going away while we dereference into fi_list.
+	 */
+	mutex_exit(&p->p_lock);
+
+	/*
+	 * get open file info
+	 */
+	fip = (&(p)->p_user.u_finfo);
+	mutex_enter(&fip->fi_lock);
+
+	if (fd < fip->fi_nfiles) {
+		UF_ENTER(ufp, fip, fd);
+		/*
+		 * ensure the fd is still kosher.
+		 * it may have gone between the readdir and
+		 * the lookup
+		 */
+		if (fip->fi_list[fd].uf_file == NULL) {
+			mutex_exit(&fip->fi_lock);
+			UF_EXIT(ufp);
+			mutex_enter(&p->p_lock);
+			lxpr_unlock(p);
+			lxpr_freenode(lxpnp);
+			return (NULL);
+		}
+
+		if ((fp = ufp->uf_file) != NULL)
+			vp = fp->f_vnode;
+		UF_EXIT(ufp);
+	}
+	mutex_exit(&fip->fi_lock);
+
+	if (vp == NULL) {
+		mutex_enter(&p->p_lock);
+		lxpr_unlock(p);
+		lxpr_freenode(lxpnp);
+		return (NULL);
+	} else {
+		/*
+		 * Fill in the lxpr_node so future references will be able to
+		 * find the underlying vnode. The vnode is held on the realvp.
+		 */
+		lxpnp->lxpr_realvp = vp;
+		VN_HOLD(lxpnp->lxpr_realvp);
+		/*
+		 * For certain entries (sockets, pipes, etc), Linux expects a
+		 * bogus-named symlink.  If that's the case, report the type as
+		 * VNON to bypass link-following elsewhere in the vfs system.
+		 *
+		 * See lxpr_readlink for more details.
+		 */
+		if (lxpr_readlink_pid_fd(lxpnp, NULL, 0) == 0)
+			LXPTOV(lxpnp)->v_type = VNON;
+	}
+
+	mutex_enter(&p->p_lock);
+	lxpr_unlock(p);
+	dp = LXPTOV(lxpnp);
+	ASSERT(dp != NULL);
+
+	return (dp);
+}
+
+static vnode_t *
+lxpr_lookup_netdir(vnode_t *dp, char *comp)
+{
+	ASSERT(VTOLXP(dp)->lxpr_type == LXPR_NETDIR);
+
+	dp = lxpr_lookup_common(dp, comp, NULL, netdir, NETDIRFILES);
+
+	return (dp);
+}
+
+static vnode_t *
+lxpr_lookup_procdir(vnode_t *dp, char *comp)
+{
+	ASSERT(VTOLXP(dp)->lxpr_type == LXPR_PROCDIR);
+
+	/*
+	 * We know all the names of files & dirs in our file system structure
+	 * except those that are pid names.  These change as pids are created/
+	 * deleted etc., so we just look for a number as the first char to see
+	 * if we are we doing pid lookups.
+	 *
+	 * Don't need to check for "self" as it is implemented as a symlink
+	 */
+	if (*comp >= '0' && *comp <= '9') {
+		pid_t pid = 0;
+		lxpr_node_t *lxpnp = NULL;
+		proc_t *p;
+		int c;
+
+		while ((c = *comp++) != '\0')
+			pid = 10 * pid + c - '0';
+
+		/*
+		 * Can't continue if the process is still loading or it doesn't
+		 * really exist yet (or maybe it just died!)
+		 */
+		p = lxpr_lock(pid);
+		if (p == NULL)
+			return (NULL);
+
+		if (secpolicy_basic_procinfo(CRED(), p, curproc) != 0) {
+			lxpr_unlock(p);
+			return (NULL);
+		}
+
+		/*
+		 * allocate and fill in a new lx /proc node
+		 */
+		lxpnp = lxpr_getnode(dp, LXPR_PIDDIR, p, 0);
+
+		lxpr_unlock(p);
+
+		dp = LXPTOV(lxpnp);
+		ASSERT(dp != NULL);
+
+		return (dp);
+	}
+
+	/* Lookup fixed names */
+	return (lxpr_lookup_common(dp, comp, NULL, lx_procdir, PROCDIRFILES));
+}
+
+static vnode_t *
+lxpr_lookup_sysdir(vnode_t *dp, char *comp)
+{
+	ASSERT(VTOLXP(dp)->lxpr_type == LXPR_SYSDIR);
+	return (lxpr_lookup_common(dp, comp, NULL, sysdir, SYSDIRFILES));
+}
+
+static vnode_t *
+lxpr_lookup_sys_kerneldir(vnode_t *dp, char *comp)
+{
+	ASSERT(VTOLXP(dp)->lxpr_type == LXPR_SYS_KERNELDIR);
+	return (lxpr_lookup_common(dp, comp, NULL, sys_kerneldir,
+	    SYS_KERNELDIRFILES));
+}
+
+static vnode_t *
+lxpr_lookup_sys_fsdir(vnode_t *dp, char *comp)
+{
+	ASSERT(VTOLXP(dp)->lxpr_type == LXPR_SYS_FSDIR);
+	return (lxpr_lookup_common(dp, comp, NULL, sys_fsdir,
+	    SYS_FSDIRFILES));
+}
+
+static vnode_t *
+lxpr_lookup_sys_fs_inotifydir(vnode_t *dp, char *comp)
+{
+	ASSERT(VTOLXP(dp)->lxpr_type == LXPR_SYS_FS_INOTIFYDIR);
+	return (lxpr_lookup_common(dp, comp, NULL, sys_fs_inotifydir,
+	    SYS_FS_INOTIFYDIRFILES));
+}
+
+/*
+ * lxpr_readdir(): Vnode operation for VOP_READDIR()
+ */
+/* ARGSUSED */
+static int
+lxpr_readdir(vnode_t *dp, uio_t *uiop, cred_t *cr, int *eofp,
+	caller_context_t *ct, int flags)
+{
+	lxpr_node_t *lxpnp = VTOLXP(dp);
+	lxpr_nodetype_t type = lxpnp->lxpr_type;
+	ssize_t uresid;
+	off_t uoffset;
+	int error;
+
+	ASSERT(dp->v_type == VDIR);
+	ASSERT(type < LXPR_NFILES);
+
+	/*
+	 * we should never get here because the readdir
+	 * is done on the realvp for these nodes
+	 */
+	ASSERT(type != LXPR_PID_FD_FD &&
+	    type != LXPR_PID_CURDIR &&
+	    type != LXPR_PID_ROOTDIR);
+
+	/*
+	 * restrict readdir permission to owner or root
+	 */
+	if ((error = lxpr_access(dp, VREAD, 0, cr, ct)) != 0)
+		return (error);
+
+	uoffset = uiop->uio_offset;
+	uresid = uiop->uio_resid;
+
+	/* can't do negative reads */
+	if (uoffset < 0 || uresid <= 0)
+		return (EINVAL);
+
+	/* can't read directory entries that don't exist! */
+	if (uoffset % LXPR_SDSIZE)
+		return (ENOENT);
+
+	return (lxpr_readdir_function[lxpnp->lxpr_type](lxpnp, uiop, eofp));
+}
+
+/* ARGSUSED */
+static int
+lxpr_readdir_not_a_dir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	return (ENOTDIR);
+}
+
+/*
+ * This has the common logic for returning directory entries
+ */
+static int
+lxpr_readdir_common(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp,
+    lxpr_dirent_t *dirtab, int dirtablen)
+{
+	/* bp holds one dirent64 structure */
+	longlong_t bp[DIRENT64_RECLEN(LXPNSIZ) / sizeof (longlong_t)];
+	dirent64_t *dirent = (dirent64_t *)bp;
+	ssize_t oresid;	/* save a copy for testing later */
+	ssize_t uresid;
+
+	oresid = uiop->uio_resid;
+
+	/* clear out the dirent buffer */
+	bzero(bp, sizeof (bp));
+
+	/*
+	 * Satisfy user request
+	 */
+	while ((uresid = uiop->uio_resid) > 0) {
+		int dirindex;
+		off_t uoffset;
+		int reclen;
+		int error;
+
+		uoffset = uiop->uio_offset;
+		dirindex  = (uoffset / LXPR_SDSIZE) - 2;
+
+		if (uoffset == 0) {
+
+			dirent->d_ino = lxpnp->lxpr_ino;
+			dirent->d_name[0] = '.';
+			dirent->d_name[1] = '\0';
+			reclen = DIRENT64_RECLEN(1);
+
+		} else if (uoffset == LXPR_SDSIZE) {
+
+			dirent->d_ino = lxpr_parentinode(lxpnp);
+			dirent->d_name[0] = '.';
+			dirent->d_name[1] = '.';
+			dirent->d_name[2] = '\0';
+			reclen = DIRENT64_RECLEN(2);
+
+		} else if (dirindex < dirtablen) {
+			int slen = strlen(dirtab[dirindex].d_name);
+
+			dirent->d_ino = lxpr_inode(dirtab[dirindex].d_type,
+			    lxpnp->lxpr_pid, 0);
+
+			ASSERT(slen < LXPNSIZ);
+			(void) strcpy(dirent->d_name, dirtab[dirindex].d_name);
+			reclen = DIRENT64_RECLEN(slen);
+
+		} else {
+			/* Run out of table entries */
+			if (eofp) {
+				*eofp = 1;
+			}
+			return (0);
+		}
+
+		dirent->d_off = (off64_t)(uoffset + LXPR_SDSIZE);
+		dirent->d_reclen = (ushort_t)reclen;
+
+		/*
+		 * if the size of the data to transfer is greater
+		 * that that requested then we can't do it this transfer.
+		 */
+		if (reclen > uresid) {
+			/*
+			 * Error if no entries have been returned yet.
+			 */
+			if (uresid == oresid) {
+				return (EINVAL);
+			}
+			break;
+		}
+
+		/*
+		 * uiomove() updates both uiop->uio_resid and uiop->uio_offset
+		 * by the same amount.  But we want uiop->uio_offset to change
+		 * in increments of LXPR_SDSIZE, which is different from the
+		 * number of bytes being returned to the user.  So we set
+		 * uiop->uio_offset separately, ignoring what uiomove() does.
+		 */
+		if ((error = uiomove((caddr_t)dirent, reclen, UIO_READ,
+		    uiop)) != 0)
+			return (error);
+
+		uiop->uio_offset = uoffset + LXPR_SDSIZE;
+	}
+
+	/* Have run out of space, but could have just done last table entry */
+	if (eofp) {
+		*eofp =
+		    (uiop->uio_offset >= ((dirtablen+2) * LXPR_SDSIZE)) ? 1 : 0;
+	}
+	return (0);
+}
+
+
+static int
+lxpr_readdir_procdir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	/* bp holds one dirent64 structure */
+	longlong_t bp[DIRENT64_RECLEN(LXPNSIZ) / sizeof (longlong_t)];
+	dirent64_t *dirent = (dirent64_t *)bp;
+	ssize_t oresid;	/* save a copy for testing later */
+	ssize_t uresid;
+	off_t uoffset;
+	zoneid_t zoneid;
+	pid_t pid;
+	int error;
+	int ceof;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PROCDIR);
+
+	oresid = uiop->uio_resid;
+	zoneid = LXPTOZ(lxpnp)->zone_id;
+
+	/*
+	 * We return directory entries in the order: "." and ".." then the
+	 * unique lxproc files, then the directories corresponding to the
+	 * running processes.  We have defined this as the ordering because
+	 * it allows us to more easily keep track of where we are betwen calls
+	 * to getdents().  If the number of processes changes between calls
+	 * then we can't lose track of where we are in the lxproc files.
+	 */
+
+	/* Do the fixed entries */
+	error = lxpr_readdir_common(lxpnp, uiop, &ceof, lx_procdir,
+	    PROCDIRFILES);
+
+	/* Finished if we got an error or if we couldn't do all the table */
+	if (error != 0 || ceof == 0)
+		return (error);
+
+	/* clear out the dirent buffer */
+	bzero(bp, sizeof (bp));
+
+	/* Do the process entries */
+	while ((uresid = uiop->uio_resid) > 0) {
+		proc_t *p;
+		int len;
+		int reclen;
+		int i;
+
+		uoffset = uiop->uio_offset;
+
+		/*
+		 * Stop when entire proc table has been examined.
+		 */
+		i = (uoffset / LXPR_SDSIZE) - 2 - PROCDIRFILES;
+		if (i >= v.v_proc) {
+			/* Run out of table entries */
+			if (eofp) {
+				*eofp = 1;
+			}
+			return (0);
+		}
+		mutex_enter(&pidlock);
+
+		/*
+		 * Skip indices for which there is no pid_entry, PIDs for
+		 * which there is no corresponding process, a PID of 0,
+		 * and anything the security policy doesn't allow
+		 * us to look at.
+		 */
+		if ((p = pid_entry(i)) == NULL || p->p_stat == SIDL ||
+		    p->p_pid == 0 ||
+		    secpolicy_basic_procinfo(CRED(), p, curproc) != 0) {
+			mutex_exit(&pidlock);
+			goto next;
+		}
+		mutex_exit(&pidlock);
+
+		/*
+		 * Convert pid to the Linux default of 1 if we're the zone's
+		 * init process, or 0 if zsched, otherwise use the value from
+		 * the proc structure
+		 */
+		if (p->p_pid == curproc->p_zone->zone_proc_initpid) {
+			pid = 1;
+		} else if (p->p_pid == curproc->p_zone->zone_zsched->p_pid) {
+			pid = 0;
+		} else {
+			pid = p->p_pid;
+		}
+
+		/*
+		 * If this /proc was mounted in the global zone, view
+		 * all procs; otherwise, only view zone member procs.
+		 */
+		if (zoneid != GLOBAL_ZONEID && p->p_zone->zone_id != zoneid) {
+			goto next;
+		}
+
+		ASSERT(p->p_stat != 0);
+
+		dirent->d_ino = lxpr_inode(LXPR_PIDDIR, pid, 0);
+		len = snprintf(dirent->d_name, LXPNSIZ, "%d", pid);
+		ASSERT(len < LXPNSIZ);
+		reclen = DIRENT64_RECLEN(len);
+
+		dirent->d_off = (off64_t)(uoffset + LXPR_SDSIZE);
+		dirent->d_reclen = (ushort_t)reclen;
+
+		/*
+		 * if the size of the data to transfer is greater
+		 * that that requested then we can't do it this transfer.
+		 */
+		if (reclen > uresid) {
+			/*
+			 * Error if no entries have been returned yet.
+			 */
+			if (uresid == oresid)
+				return (EINVAL);
+			break;
+		}
+
+		/*
+		 * uiomove() updates both uiop->uio_resid and uiop->uio_offset
+		 * by the same amount.  But we want uiop->uio_offset to change
+		 * in increments of LXPR_SDSIZE, which is different from the
+		 * number of bytes being returned to the user.  So we set
+		 * uiop->uio_offset separately, in the increment of this for
+		 * the loop, ignoring what uiomove() does.
+		 */
+		if ((error = uiomove((caddr_t)dirent, reclen, UIO_READ,
+		    uiop)) != 0)
+			return (error);
+next:
+		uiop->uio_offset = uoffset + LXPR_SDSIZE;
+	}
+
+	if (eofp != NULL) {
+		*eofp = (uiop->uio_offset >=
+		    ((v.v_proc + PROCDIRFILES + 2) * LXPR_SDSIZE)) ? 1 : 0;
+	}
+
+	return (0);
+}
+
+static int
+lxpr_readdir_piddir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	proc_t *p;
+	pid_t find_pid;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PIDDIR);
+
+	/* can't read its contents if it died */
+	mutex_enter(&pidlock);
+
+	if (lxpnp->lxpr_pid == 1) {
+		find_pid = curproc->p_zone->zone_proc_initpid;
+	} else if (lxpnp->lxpr_pid == 0) {
+		find_pid = curproc->p_zone->zone_zsched->p_pid;
+	} else {
+		find_pid = lxpnp->lxpr_pid;
+	}
+	p = prfind(find_pid);
+
+	if (p == NULL || p->p_stat == SIDL) {
+		mutex_exit(&pidlock);
+		return (ENOENT);
+	}
+	mutex_exit(&pidlock);
+
+	return (lxpr_readdir_common(lxpnp, uiop, eofp, piddir, PIDDIRFILES));
+}
+
+static int
+lxpr_readdir_netdir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_NETDIR);
+	return (lxpr_readdir_common(lxpnp, uiop, eofp, netdir, NETDIRFILES));
+}
+
+static int
+lxpr_readdir_taskdir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	/* bp holds one dirent64 structure */
+	longlong_t bp[DIRENT64_RECLEN(LXPNSIZ) / sizeof (longlong_t)];
+	dirent64_t *dirent = (dirent64_t *)bp;
+	ssize_t oresid;	/* save a copy for testing later */
+	ssize_t uresid;
+	off_t uoffset;
+	int error;
+	int ceof;
+	proc_t *p;
+	int tiddirsize = -1;
+	int tasknum;
+	pid_t real_pid;
+	kthread_t *t;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_TASKDIR);
+
+	oresid = uiop->uio_resid;
+
+	real_pid = get_real_pid(lxpnp->lxpr_pid);
+	p = lxpr_lock(real_pid);
+
+	/* can't read its contents if it died */
+	if (p == NULL) {
+		return (ENOENT);
+	}
+	if (p->p_stat == SIDL) {
+		lxpr_unlock(p);
+		return (ENOENT);
+	}
+
+	if ((p->p_stat == SZOMB) || (p->p_flag & SSYS) || (p->p_as == &kas))
+		tiddirsize = 0;
+
+	/*
+	 * Drop p_lock, but keep the process P_PR_LOCK'd to prevent it from
+	 * going away while we iterate over its threads.
+	 */
+	mutex_exit(&p->p_lock);
+
+	if (tiddirsize == -1)
+		tiddirsize = p->p_lwpcnt;
+
+	/* Do the fixed entries (in this case just "." & "..") */
+	error = lxpr_readdir_common(lxpnp, uiop, &ceof, 0, 0);
+
+	/* Finished if we got an error or if we couldn't do all the table */
+	if (error != 0 || ceof == 0)
+		goto out;
+
+	if ((t = p->p_tlist) == NULL) {
+		if (eofp != NULL)
+			*eofp = 1;
+		goto out;
+	}
+
+	/* clear out the dirent buffer */
+	bzero(bp, sizeof (bp));
+
+	/*
+	 * Loop until user's request is satisfied or until all thread's have
+	 * been returned.
+	 */
+	for (tasknum = 0; (uresid = uiop->uio_resid) > 0; tasknum++) {
+		int i;
+		int reclen;
+		int len;
+		uint_t emul_tid;
+		lx_lwp_data_t *lwpd;
+
+		uoffset = uiop->uio_offset;
+
+		/*
+		 * Stop at the end of the thread list
+		 */
+		i = (uoffset / LXPR_SDSIZE) - 2;
+		if (i >= tiddirsize) {
+			if (eofp) {
+				*eofp = 1;
+			}
+			goto out;
+		}
+
+		if (i != tasknum)
+			goto next;
+
+		lwpd = ttolxlwp(t);
+		if (lwpd == NULL) {
+			emul_tid = t->t_tid;
+		} else {
+			emul_tid = lwpd->br_pid;
+			/*
+			 * Convert pid to Linux default of 1 if we're the
+			 * zone's init.
+			 */
+			if (emul_tid == curproc->p_zone->zone_proc_initpid)
+				emul_tid = 1;
+		}
+
+		dirent->d_ino = lxpr_inode(LXPR_PID_TASK_IDDIR, lxpnp->lxpr_pid,
+		    emul_tid);
+		len = snprintf(dirent->d_name, LXPNSIZ, "%d", emul_tid);
+		ASSERT(len < LXPNSIZ);
+		reclen = DIRENT64_RECLEN(len);
+
+		dirent->d_off = (off64_t)(uoffset + LXPR_SDSIZE);
+		dirent->d_reclen = (ushort_t)reclen;
+
+		if (reclen > uresid) {
+			/*
+			 * Error if no entries have been returned yet.
+			 */
+			if (uresid == oresid)
+				error = EINVAL;
+			goto out;
+		}
+
+		/*
+		 * uiomove() updates both uiop->uio_resid and uiop->uio_offset
+		 * by the same amount.  But we want uiop->uio_offset to change
+		 * in increments of LXPR_SDSIZE, which is different from the
+		 * number of bytes being returned to the user.  So we set
+		 * uiop->uio_offset separately, in the increment of this for
+		 * the loop, ignoring what uiomove() does.
+		 */
+		if ((error = uiomove((caddr_t)dirent, reclen, UIO_READ,
+		    uiop)) != 0)
+			goto out;
+
+next:
+		uiop->uio_offset = uoffset + LXPR_SDSIZE;
+
+		if ((t = t->t_forw) == p->p_tlist) {
+			if (eofp != NULL)
+				*eofp = 1;
+			goto out;
+		}
+	}
+
+	if (eofp != NULL)
+		*eofp = 0;
+
+out:
+	mutex_enter(&p->p_lock);
+	lxpr_unlock(p);
+	return (error);
+}
+
+static int
+lxpr_readdir_task_tid_dir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	proc_t *p;
+	pid_t real_pid;
+	kthread_t *t;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_TASK_IDDIR);
+
+	mutex_enter(&pidlock);
+
+	real_pid = get_real_pid(lxpnp->lxpr_pid);
+	p = prfind(real_pid);
+
+	/* can't read its contents if it died */
+	if (p == NULL || p->p_stat == SIDL) {
+		mutex_exit(&pidlock);
+		return (ENOENT);
+	}
+
+	mutex_exit(&pidlock);
+
+	/* need to confirm tid is still there */
+	t = lxpr_get_thread(p, lxpnp->lxpr_desc);
+	if (t == NULL) {
+		/* we can't find this specific thread */
+		return (NULL);
+	}
+	thread_unlock(t);
+
+	return (lxpr_readdir_common(lxpnp, uiop, eofp, tiddir, TIDDIRFILES));
+}
+
+static int
+lxpr_readdir_fddir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	/* bp holds one dirent64 structure */
+	longlong_t bp[DIRENT64_RECLEN(LXPNSIZ) / sizeof (longlong_t)];
+	dirent64_t *dirent = (dirent64_t *)bp;
+	ssize_t oresid;	/* save a copy for testing later */
+	ssize_t uresid;
+	off_t uoffset;
+	int error;
+	int ceof;
+	proc_t *p;
+	int fddirsize = -1;
+	uf_info_t *fip;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_FDDIR ||
+	    lxpnp->lxpr_type == LXPR_PID_TID_FDDIR);
+
+	oresid = uiop->uio_resid;
+
+	/* can't read its contents if it died */
+	p = lxpr_lock(lxpnp->lxpr_pid);
+	if (p == NULL)
+		return (ENOENT);
+
+	if ((p->p_stat == SZOMB) || (p->p_flag & SSYS) || (p->p_as == &kas))
+		fddirsize = 0;
+
+	/*
+	 * Drop p_lock, but keep the process P_PR_LOCK'd to prevent it from
+	 * going away while we iterate over its fi_list.
+	 */
+	mutex_exit(&p->p_lock);
+
+	/* Get open file info */
+	fip = (&(p)->p_user.u_finfo);
+	mutex_enter(&fip->fi_lock);
+
+	if (fddirsize == -1)
+		fddirsize = fip->fi_nfiles;
+
+	/* Do the fixed entries (in this case just "." & "..") */
+	error = lxpr_readdir_common(lxpnp, uiop, &ceof, 0, 0);
+
+	/* Finished if we got an error or if we couldn't do all the table */
+	if (error != 0 || ceof == 0)
+		goto out;
+
+	/* clear out the dirent buffer */
+	bzero(bp, sizeof (bp));
+
+	/*
+	 * Loop until user's request is satisfied or until
+	 * all file descriptors have been examined.
+	 */
+	for (; (uresid = uiop->uio_resid) > 0;
+	    uiop->uio_offset = uoffset + LXPR_SDSIZE) {
+		int reclen;
+		int fd;
+		int len;
+
+		uoffset = uiop->uio_offset;
+
+		/*
+		 * Stop at the end of the fd list
+		 */
+		fd = (uoffset / LXPR_SDSIZE) - 2;
+		if (fd >= fddirsize) {
+			if (eofp) {
+				*eofp = 1;
+			}
+			goto out;
+		}
+
+		if (fip->fi_list[fd].uf_file == NULL)
+			continue;
+
+		dirent->d_ino = lxpr_inode(LXPR_PID_FD_FD, lxpnp->lxpr_pid, fd);
+		len = snprintf(dirent->d_name, LXPNSIZ, "%d", fd);
+		ASSERT(len < LXPNSIZ);
+		reclen = DIRENT64_RECLEN(len);
+
+		dirent->d_off = (off64_t)(uoffset + LXPR_SDSIZE);
+		dirent->d_reclen = (ushort_t)reclen;
+
+		if (reclen > uresid) {
+			/*
+			 * Error if no entries have been returned yet.
+			 */
+			if (uresid == oresid)
+				error = EINVAL;
+			goto out;
+		}
+
+		if ((error = uiomove((caddr_t)dirent, reclen, UIO_READ,
+		    uiop)) != 0)
+			goto out;
+	}
+
+	if (eofp != NULL) {
+		*eofp =
+		    (uiop->uio_offset >= ((fddirsize+2) * LXPR_SDSIZE)) ? 1 : 0;
+	}
+
+out:
+	mutex_exit(&fip->fi_lock);
+	mutex_enter(&p->p_lock);
+	lxpr_unlock(p);
+	return (error);
+}
+
+static int
+lxpr_readdir_sysdir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_SYSDIR);
+	return (lxpr_readdir_common(lxpnp, uiop, eofp, sysdir, SYSDIRFILES));
+}
+
+static int
+lxpr_readdir_sys_fsdir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_SYS_FSDIR);
+	return (lxpr_readdir_common(lxpnp, uiop, eofp, sys_fsdir,
+	    SYS_FSDIRFILES));
+}
+
+static int
+lxpr_readdir_sys_fs_inotifydir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_SYS_FS_INOTIFYDIR);
+	return (lxpr_readdir_common(lxpnp, uiop, eofp, sys_fs_inotifydir,
+	    SYS_FS_INOTIFYDIRFILES));
+}
+
+static int
+lxpr_readdir_sys_kerneldir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_SYS_KERNELDIR);
+	return (lxpr_readdir_common(lxpnp, uiop, eofp, sys_kerneldir,
+	    SYS_KERNELDIRFILES));
+}
+
+/*
+ * lxpr_readlink(): Vnode operation for VOP_READLINK()
+ */
+/* ARGSUSED */
+static int
+lxpr_readlink(vnode_t *vp, uio_t *uiop, cred_t *cr, caller_context_t *ct)
+{
+	char bp[MAXPATHLEN + 1];
+	size_t buflen = sizeof (bp);
+	lxpr_node_t *lxpnp = VTOLXP(vp);
+	vnode_t *rvp = lxpnp->lxpr_realvp;
+	pid_t pid;
+	int error = 0;
+
+	/*
+	 * Linux does something very "clever" for /proc/<pid>/fd/<num> entries.
+	 * Open FDs are represented as symlinks, the link contents
+	 * corresponding to the open resource.  For plain files or devices,
+	 * this isn't absurd since one can dereference the symlink to query
+	 * the underlying resource.  For sockets or pipes, it becomes ugly in a
+	 * hurry.  To maintain this human-readable output, those FD symlinks
+	 * point to bogus targets such as "socket:[<inodenum>]".  This requires
+	 * circumventing vfs since the stat/lstat behavior on those FD entries
+	 * will be unusual. (A stat must retrieve information about the open
+	 * socket or pipe.  It cannot fail because the link contents point to
+	 * an absent file.)
+	 *
+	 * To accomplish this, lxpr_getnode returns an vnode typed VNON for FD
+	 * entries.  This bypasses code paths which would normally
+	 * short-circuit on symlinks and allows us to emulate the vfs behavior
+	 * expected by /proc consumers.
+	 */
+	if (vp->v_type != VLNK && lxpnp->lxpr_type != LXPR_PID_FD_FD)
+		return (EINVAL);
+
+	/* Try to produce a symlink name for anything that has a realvp */
+	if (rvp != NULL) {
+		if ((error = lxpr_access(vp, VREAD, 0, CRED(), ct)) != 0)
+			return (error);
+		if ((error = vnodetopath(NULL, rvp, bp, buflen, CRED())) != 0) {
+			/*
+			 * Special handling possible for /proc/<pid>/fd/<num>
+			 * Generate <type>:[<inode>] links, if allowed.
+			 */
+			if (lxpnp->lxpr_type != LXPR_PID_FD_FD ||
+			    lxpr_readlink_pid_fd(lxpnp, bp, buflen) != 0) {
+				return (error);
+			}
+		}
+	} else {
+		switch (lxpnp->lxpr_type) {
+		case LXPR_SELF:
+			/*
+			 * Convert pid to the Linux default of 1 if we're the
+			 * zone's init process or 0 if zsched.
+			 */
+			if (curproc->p_pid ==
+			    curproc->p_zone->zone_proc_initpid) {
+				pid = 1;
+			} else if (curproc->p_pid ==
+			    curproc->p_zone->zone_zsched->p_pid) {
+				pid = 0;
+			} else {
+				pid = curproc->p_pid;
+			}
+
+			/*
+			 * Don't need to check result as every possible int
+			 * will fit within MAXPATHLEN bytes.
+			 */
+			(void) snprintf(bp, buflen, "%d", pid);
+			break;
+		case LXPR_PID_CURDIR:
+		case LXPR_PID_ROOTDIR:
+		case LXPR_PID_EXE:
+			return (EACCES);
+		default:
+			/*
+			 * Need to return error so that nothing thinks
+			 * that the symlink is empty and hence "."
+			 */
+			return (EINVAL);
+		}
+	}
+
+	/* copy the link data to user space */
+	return (uiomove(bp, strlen(bp), UIO_READ, uiop));
+}
+
+/*
+ * Attempt to create Linux-proc-style fake symlinks contents for supported
+ * /proc/<pid>/fd/<#> entries.
+ */
+static int
+lxpr_readlink_pid_fd(lxpr_node_t *lxpnp, char *bp, size_t len)
+{
+	const char *format;
+	vnode_t *rvp = lxpnp->lxpr_realvp;
+	vattr_t attr;
+
+	switch (rvp->v_type) {
+	case VSOCK:
+		format = "socket:[%lu]";
+		break;
+	case VFIFO:
+		format = "pipe:[%lu]";
+		break;
+	default:
+		return (-1);
+	}
+
+	/* Fetch the inode of the underlying vnode */
+	if (VOP_GETATTR(rvp, &attr, 0, CRED(), NULL) != 0)
+		return (-1);
+
+	if (bp != NULL)
+		(void) snprintf(bp, len, format, (ino_t)attr.va_nodeid);
+	return (0);
+}
+
+/*
+ * lxpr_inactive(): Vnode operation for VOP_INACTIVE()
+ * Vnode is no longer referenced, deallocate the file
+ * and all its resources.
+ */
+/* ARGSUSED */
+static void
+lxpr_inactive(vnode_t *vp, cred_t *cr, caller_context_t *ct)
+{
+	lxpr_freenode(VTOLXP(vp));
+}
+
+/*
+ * lxpr_sync(): Vnode operation for VOP_SYNC()
+ */
+static int
+lxpr_sync()
+{
+	/*
+	 * Nothing to sync but this function must never fail
+	 */
+	return (0);
+}
+
+/*
+ * lxpr_cmp(): Vnode operation for VOP_CMP()
+ */
+static int
+lxpr_cmp(vnode_t *vp1, vnode_t *vp2, caller_context_t *ct)
+{
+	vnode_t *rvp;
+
+	while (vn_matchops(vp1, lxpr_vnodeops) &&
+	    (rvp = VTOLXP(vp1)->lxpr_realvp) != NULL) {
+		vp1 = rvp;
+	}
+
+	while (vn_matchops(vp2, lxpr_vnodeops) &&
+	    (rvp = VTOLXP(vp2)->lxpr_realvp) != NULL) {
+		vp2 = rvp;
+	}
+
+	if (vn_matchops(vp1, lxpr_vnodeops) || vn_matchops(vp2, lxpr_vnodeops))
+		return (vp1 == vp2);
+	return (VOP_CMP(vp1, vp2, ct));
+}
+
+/*
+ * lxpr_realvp(): Vnode operation for VOP_REALVP()
+ */
+static int
+lxpr_realvp(vnode_t *vp, vnode_t **vpp, caller_context_t *ct)
+{
+	vnode_t *rvp;
+
+	if ((rvp = VTOLXP(vp)->lxpr_realvp) != NULL) {
+		vp = rvp;
+		if (VOP_REALVP(vp, &rvp, ct) == 0)
+			vp = rvp;
+	}
+
+	*vpp = vp;
+	return (0);
+}
diff --git a/usr/src/uts/common/brand/lx/sys/lx_audio.h b/usr/src/uts/common/brand/lx/sys/lx_audio.h
new file mode 100644
index 0000000000..cbb3431c4b
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/sys/lx_audio.h
@@ -0,0 +1,130 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_LX_AUDIO_H
+#define	_LX_AUDIO_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/zone.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * name for this driver
+ */
+#define	LX_AUDIO_DRV			"lx_audio"
+
+/*
+ * names for the minor nodes this driver exports
+ */
+#define	LXA_MINORNAME_DEVCTL		"lx_devctl"
+#define	LXA_MINORNAME_DSP		"lx_dsp"
+#define	LXA_MINORNAME_MIXER		"lx_mixer"
+
+/*
+ * minor numbers for the minor nodes this driver exporrts
+ */
+#define	LXA_MINORNUM_DEVCTL		0
+#define	LXA_MINORNUM_DSP		1
+#define	LXA_MINORNUM_MIXER		2
+#define	LXA_MINORNUM_COUNT		3
+
+/*
+ * driver ioctls
+ *
+ * note that we're layering on top of solaris audio devices so we want
+ * to make sure that our ioctls namespace doesn't conflict with theirs.
+ * looking in sys/audioio.h and sys/mixer.h we see that they seem to
+ * use an _IO key of 'A' and 'M', so we'll choose an _IO key of 'a.'
+ */
+
+/*
+ * administrative ioctls.
+ * these ioctls are only supported on the DEVCTL minor node
+ */
+#define	LXA_IOC_ZONE_REG		(_IOR('a', 0, lxa_zone_reg_t))
+#define	LXA_IOC_ZONE_UNREG		(_IOR('a', 1, lxa_zone_reg_t))
+
+
+/*
+ * audio and mixer device ioctls
+ * these ioctls are supported on DSP and MIXER minor nodes.
+ */
+#define	LXA_IOC_GETMINORNUM		(_IOR('a', 20, int))
+
+/*
+ * audio device ioctls.
+ * these ioctls are supports on DSP minor nodes.
+ */
+#define	LXA_IOC_MMAP_OUTPUT		(_IOR('a', 41, int))
+#define	LXA_IOC_MMAP_PTR		(_IOR('a', 42, int))
+#define	LXA_IOC_GET_FRAG_INFO		(_IOR('a', 43, lxa_frag_info_t))
+#define	LXA_IOC_SET_FRAG_INFO		(_IOR('a', 44, lxa_frag_info_t))
+
+/*
+ * mixer device ioctls.
+ * these ioctls are supports on MIXER minor nodes.
+ */
+#define	LXA_IOC_MIXER_GET_VOL		(_IOR('a', 60, lxa_mixer_levels_t))
+#define	LXA_IOC_MIXER_SET_VOL		(_IOR('a', 61, lxa_mixer_levels_t))
+#define	LXA_IOC_MIXER_GET_MIC		(_IOR('a', 62, lxa_mixer_levels_t))
+#define	LXA_IOC_MIXER_SET_MIC		(_IOR('a', 63, lxa_mixer_levels_t))
+#define	LXA_IOC_MIXER_GET_PCM		(_IOR('a', 64, lxa_mixer_levels_t))
+#define	LXA_IOC_MIXER_SET_PCM		(_IOR('a', 65, lxa_mixer_levels_t))
+
+/* command structure for LXA_IOC_ZONE_REG */
+#define	LXA_INTSTRLEN 32
+typedef struct lxa_zone_reg {
+	char	lxa_zr_zone_name[ZONENAME_MAX];
+	char	lxa_zr_inputdev[LXA_INTSTRLEN];
+	char	lxa_zr_outputdev[LXA_INTSTRLEN];
+} lxa_zone_reg_t;
+
+/* command structure for LXA_IOC_GET_FRAG_INFO and LXA_IOC_SET_FRAG_INFO */
+typedef struct lxa_frag_info {
+	int	lxa_fi_size;
+	int	lxa_fi_cnt;
+} lxa_frag_info_t;
+
+/* command structure for LXA_IOC_MIXER_GET_* and LXA_IOC_MIXER_SET_* */
+typedef struct lxa_mixer_levels {
+	int	lxa_ml_gain;
+	int	lxa_ml_balance;
+} lxa_mixer_levels_t;
+
+/* verify that a solaris mixer level structure has valid values */
+#define	LXA_MIXER_LEVELS_OK(x) (((x)->lxa_ml_gain >= AUDIO_MIN_GAIN) && \
+				((x)->lxa_ml_gain <= AUDIO_MAX_GAIN) && \
+				((x)->lxa_ml_balance >= AUDIO_LEFT_BALANCE) && \
+				((x)->lxa_ml_balance <= AUDIO_RIGHT_BALANCE))
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LX_AUDIO_H */
diff --git a/usr/src/uts/common/brand/lx/sys/lx_autofs.h b/usr/src/uts/common/brand/lx/sys/lx_autofs.h
new file mode 100644
index 0000000000..a6ad86f594
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/sys/lx_autofs.h
@@ -0,0 +1,337 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef	_LX_AUTOFS_H
+#define	_LX_AUTOFS_H
+
+/*
+ * The lx_autofs filesystem exists to emulate the Linux autofs filesystem
+ * and provide support for the Linux "automount" automounter.
+ *
+ *
+ *
+ * +++ Linux automounter background.
+ *
+ * Linux has two automounters: "amd" and "automount"
+ *
+ * 1) "amd" is a userland NFS server.  It basically mounts an NFS filesystem
+ * at an automount point, and it acts as the NFS server for the mount.  When
+ * an access is done to that NFS filesystem, the access is redirected by the
+ * kernel to the "amd" process via rpc.  "amd" then looks up any information
+ * required to resolve the requests, mounts real NFS filesystems if
+ * necessary, and returns.  "amd" has it's own strange configuration
+ * mechanism that doesn't seem to be very compatabile with Solaris's network
+ * based automounter map support.
+ *
+ * 2) "automount" is the other Linux automounter.  It utilizes a kernel
+ * filesystem (autofs) to provide it's functionality.  Basically, it mounts
+ * the autofs filesystem at any automounter controlled mount point.  This
+ * filesystem then intercepts and redirects lookup operations (and only
+ * lookup ops) to the userland automounter process via a pipe.  (The
+ * pipe to the automounter is establised via mount options when the autofs
+ * filesystem is mounted.)  When the automounter recieves a request via this
+ * pipe, it does lookups to whatever backing store it's configured to use,
+ * does mkdir operations on the autofs filesystem, mounts remote NFS
+ * filesystems on any leaf directories it just created, and signals the
+ * autofs filesystem via an ioctl to let it know that the lookup can
+ * continue.
+ *
+ *
+ *
+ * +++ Linux autofs (and automount daemon) notes
+ *
+ * Since we're mimicking the behavior of the Linux autofs filesystem it's
+ * important to document some of it's observed behavior here since there's
+ * no doubt that in the future this behavior will change.  These comments
+ * apply to the behavior of the automounter as observed on a system
+ * running Linux v2.4.21 (autofs is bundled with the Linux kernel).
+ *
+ * A) Autofs allows root owned, non-automounter processes to create
+ * directories in the autofs filesystem.  The autofs filesystem treats the
+ * automounter's process group as special, but it doesn't prevent root
+ * processes outside of the automounter's process group from creating new
+ * directories in the autofs filesystem.
+ *
+ * B) Autofs doesn't allow creation of any non-directory entries in the
+ * autofs filesystem.  No entity can create files (e.g. /bin/touch or
+ * VOP_CREATE/VOP_SYMLINK/etc.)  The only entries that can exist within
+ * the autofs filesystem are directories.
+ *
+ * C) Autofs only intercepts vop lookup operations.  Notably, it does _not_
+ * intercept and re-direct vop readdir operations.  This means that the
+ * observed behavior of the Linux automounter can be considerably different
+ * from that of the Solaris automounter.  Specifically, on Solaris if autofs
+ * mount point is mounted _without_ the -nobrowse option then if a user does
+ * an ls operation (which translates into a vop readdir operation) then the
+ * automounter will intercept that operation and list all the possible
+ * directories and mount points without actually mounting any filesystems.
+ * Essentially, all automounter managed mount points on Linux will behave
+ * like "-nobrowse" mount points on Solaris.  Here's an example to
+ * illustrate this.  If /ws was mounted on Solaris without the -nobrowse
+ * option and an auto_ws yp map was setup as the backing store for this
+ * mount point, then an "ls /ws" would list all the keys in the map as
+ * valid directories, but an "ls /ws" on Linux would list an emptry
+ * directory.
+ *
+ * D) NFS mounts are performed by the automount process.  When the automount
+ * process gets a redirected lookup request, it determines _all_ the
+ * possible remote mount points for that request, creates directory paths
+ * via mkdir, and mounts the remote filesystems on the newly created paths.
+ * So for example, if a machine called mcescher exported /var/crash and
+ * /var/core, an "ls /net/mcescher" would result in the following actions
+ * being done by the automounter:
+ * 	mkdir /net/mcescher
+ * 	mkdir /net/mcescher/var
+ * 	mkdir /net/mcescher/var/crash
+ * 	mkdir /net/mcescher/var/core
+ * 	mount mcescher:/var/crash /var/crash
+ * 	mount mcescher:/var/crash /var/core
+ * once the automounter compleated the work above it would signal the autofs
+ * filesystem (via an ioctl) that the lookup could continue.
+ *
+ * E.1) Autofs only redirects vop lookup operations for path entries that
+ * don't already exist in the autofs filesystem.  So for the example above,
+ * an initial (after the start of the automounter) "ls /net/mcescher" would
+ * result in a request to the automounter.  A subsequest "ls /net/mcescher"
+ * would not result in a request to the automounter.  Even if
+ * /net/mcescher/var/crash and /net/mcescher/var/core were manually unmounted
+ * after the initial "ls /net/mcescher", a subsequest "ls /net/mcescher"
+ * would not result in a new request to the automounter.
+ *
+ * E.2) Autofs lookup requests that are sent to the automounter only include
+ * the root directory path component.  So for example, after starting up
+ * the automounter if a user were to do a "ls /net/mcescher/var/crash", the
+ * lookup request actually sent to the automounter would just be for
+ * "mcescher".  (The same request as if the user had done "ls /net/mcescher".)
+ *
+ * E.3) The two statements above aren't entirely entirely true.  The Linux
+ * autofs filesystem will also redirect lookup operations for leaf
+ * directories that don't have a filesystem mounted on them.  Using the
+ * example above, if a user did a "ls /net/mcescher", then manually
+ * unmounted /net/mcescher/var/crash, and then did an "ls
+ * /net/mcescher/var/crash", this would result in a request for
+ * "mcescher/var/crash" being sent to the automounter.  The strange thing
+ * (a Linux bug perhaps) is that the automounter won't do anything with this
+ * request and the lookup will fail.
+ *
+ * F) The autofs filesystem communication protocol (what ioctls it supports
+ * and what data it passes to the automount process) are versioned.  The
+ * source for the userland automount daemon (i looked at version v3.1.7)
+ * seemed to support two versions of the Linux kernel autofs implementation.
+ * Both versions supported communiciation with a pipe and the format of the
+ * structure passed via this pipe was the same.  The difference between the
+ * two versions was in the functionality supported.  (The v3 version has
+ * additional ioctls to support automount timeouts.)
+ *
+ *
+ *
+ * +++ lx_autofs notes
+ *
+ * 1) In general, the lx_autofs filesystem tries to mimic the behavior of the
+ * Linux autofs filesystem with the following exceptions:
+ *
+ * 	1.1) We don't bother to implement the E.3 functionality listed above
+ * 	since it doesn't appear to be of any use.
+ *
+ * 	1.2) We only implement v2 of the automounter protocol since
+ * 	implementing v3 would take a _lot_ more work.  If this proves to be a
+ * 	problem we can re-visit this decision later.  (More details about v3
+ * 	support are included in comments below.)
+ *
+ * 2) In general, the approach taken for lx_autofs is to keep it as simple
+ * as possible and to minimize it's memory usage.  To do this all information
+ * about the contents of the lx_autofs filesystem are mirrored in the
+ * underlying filesystem that lx_autofs is mounted on and most vop operations
+ * are simply passed onto this underlying filesystem.  This means we don't
+ * have to implement most the complex operations that a full filesystem
+ * normally has to implement.  It also means that most of our filesystem state
+ * (wrt the contents of the filesystem) doesn't actually have to be stored
+ * in memory, we can simply go to the underlying filesystem to get it when
+ * it's requested.  For the purposes of discussion, we'll call the underlying
+ * filesystem the "backing store."
+ *
+ * The backing store is actually directory called ".lx_afs" which is created in
+ * the directory where the lx_autofs filesystem is mounted.  When the lx_autofs
+ * filesystem is unmounted this backing store directory is deleted.  If this
+ * directory exists at mount time (perhaps the system crashed while a previous
+ * lx_autofs instance was mounted at the same location) it will be deleted.
+ * There are a few implications of using a backing store worth mentioning.
+ *
+ * 	2.1) lx_autofs can't be mounted on a read only filesystem.  If this
+ * 	proves to be a problem we can probably move the location of the
+ * 	backing store.
+ *
+ * 	2.2) If the backing store filesystem runs out of space then the
+ * 	automounter process won't be able to create more directories and mount
+ * 	new filesystems.  Of course, strange failures usually happen when
+ * 	filesystems run out of space.
+ *
+ * 3) Why aren't we using gfs?  gfs has two different usage models.
+ *
+ * 	3.1) I'm my own filesystem but i'm using gfs to help with managing
+ * 	readdir operations.
+ *
+ * 	3.2) I'm a gfs filesystem and gfs is managing all my vnodes
+ *
+ * We're not using the 3.1 interfaces because we don't implement readdir
+ * ourselves.  We pass all readdir operations onto the backing store
+ * filesystem and utilize its readdir implementation.
+ *
+ * We're not using the 3.2 interfaces because they are really designed for
+ * in memory filesystems where all of the filesystem state is stored in
+ * memory.  They don't lend themselves to filesystems where part of the
+ * state is in memory and part of the state is on disk.
+ *
+ * For more information on gfs take a look at the block comments in the
+ * top of gfs.c
+ */
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * Note that the name of the actual Solaris filesystem is lx_afs and not
+ * lx_autofs.  This is becase filesystem names are stupidly limited to 8
+ * characters.
+ */
+#define	LX_AUTOFS_NAME			"lx_afs"
+
+/*
+ * Mount options supported.
+ */
+#define	LX_MNTOPT_FD			"fd"
+#define	LX_MNTOPT_PGRP			"pgrp"
+#define	LX_MNTOPT_MINPROTO		"minproto"
+#define	LX_MNTOPT_MAXPROTO		"maxproto"
+#define	LX_MNTOPT_MODE			"mode"
+#define	LX_MNTOPT_SIZE			"size"
+
+/* Version of the Linux kernel automount protocol we support. */
+#define	LX_AUTOFS_PROTO_VERSION		2
+
+/*
+ * Command structure sent to automount process from lx_autofs via a pipe.
+ * This structure is the same for v2 and v3 of the automount protocol
+ * (the communication pipe is established at mount time).
+ */
+typedef struct lx_autofs_pkt {
+	int	lap_protover;	/* protocol version number */
+	int	lap_constant;	/* always set to 0 */
+	int	lap_id;		/* every pkt must have a unique id */
+	int	lap_name_len;	/* don't include newline or NULL */
+	char	lap_name[256];	/* path component to lookup */
+} lx_autofs_pkt_t;
+
+/*
+ * Ioctls supprted (v2 protocol).
+ */
+#define	LX_AUTOFS_IOC_READY		0x00009360 /* arg: int */
+#define	LX_AUTOFS_IOC_FAIL		0x00009361 /* arg: int */
+#define	LX_AUTOFS_IOC_CATATONIC		0x00009362 /* arg: <none> */
+
+/*
+ * Ioctls not supported (v3 protocol).
+ *
+ * Initially we're only going to support v2 of the Linux kernel automount
+ * protocol.  This means that we don't support the following ioctls.
+ *
+ * 1) The protocol version ioctl (by not supporting it the automounter
+ * will assume version 2).
+ *
+ * 2) Automounter timeout ioctls.  For v3 and later the automounter can
+ * be started with a timeout option.  It will notify the filesystem of
+ * this timeout and, if any automounter filesystem root directory entry
+ * is not in use, it will notify the automounter via the LX_AUTOFS_IOC_EXPIRE
+ * ioctl.  For example, if the timeout is 60 seconds, the Linux
+ * automounter will use the LX_AUTOFS_IOC_EXPIRE ioctl to query for
+ * timeouts more often than that.  (v3.1.7 of the automount daemon would
+ * perform this ioctl every <timeout>/4 seconds.)  Then, if the autofs
+ * filesystem will
+ * report top level directories that aren't in use to the automounter
+ * via this ioctl.  If /net was managed by the automounter and
+ * there were the following mount points:
+ *	/net/jurassic/var/crash
+ *	/net/mcescher/var/crash
+ * and no one was looking at any crash dumps on mcescher but someone
+ * was analyzing a crash dump on jurassic, then after <timeout> seconds
+ * had passed the autofs filesystem would let the automounter know that
+ * "mcescher" could be unmounted.  (Note the granularity of notification
+ * is directories in the root of the autofs filesystem.)  Here's two
+ * ideas for how this functionality could be implemented on Solaris:
+ *
+ * 2.1) The easy incomplete way.  Don't do any in-use detection.  Simply
+ * tell the automounter it can try to unmount the filesystem every time
+ * the specified timeout passes.  If the filesystem is in use then the
+ * unmount will fail.  This would break down for remote hosts with multiple
+ * mounts.  For example, if the automounter had mounted the following
+ * filesystems:
+ *	/net/jurassic/var/crash
+ *	/net/jurassic/var/core
+ * and the user was looking at a core file, and the timeout expired, the
+ * automounter would recieve notification to unmount "jurassic".  Then
+ * it would unmount crash (which would succeed) and then to try unmount
+ * core (which would fail).  After that (since the automounter only
+ * performs mounts for failed lookups in the root autofs directory)
+ * future access to /net/jurassic/var/crash would result to access
+ * to an empty autofs directory.  We might be able to work around
+ * this by caching which root autofs directories we've timed out,
+ * then any access to paths that contain those directories could be
+ * stalled and we could resend another request to the automounter.
+ * This could work if the automounter ignores mount failures.
+ *
+ * 2.2) The hard correct way.  The real difficulty here is detecting
+ * files in use on other filesystems (say NFS) that have been mounted
+ * on top of autofs.  (Detecting in use autofs vnodes should be easy.)
+ * to do this we would probably have to create a new brand op to intercept
+ * mount/umount filesystem operations.  Then using this entry point we
+ * could detect mounts of other filesystems on top of lx_autofs.  When
+ * a successful mount finishes we would use the FEM (file event
+ * monitoring) framework to push a module onto that filesystem and
+ * intercept VOP operations that allocate/free vnodes in that filesystem.
+ * (We would also then have to track mount operations on top of that
+ * filesystem, etc.)  this would allow us to properly detect any
+ * usage of subdirectories of an autofs directory.
+ */
+#define	LX_AUTOFS_IOC_PROTOVER		0x80049363 /* arg: int */
+#define	LX_AUTOFS_IOC_EXPIRE		0x81109365 /* arg: lx_autofs_expire * */
+#define	LX_AUTOFS_IOC_SETTIMEOUT	0xc0049364 /* arg: ulong_t */
+
+typedef struct lx_autofs_expire {
+	int	lap_protover;	/* protol version number */
+	int	lap_constant;	/* always set to 1 */
+	int	lap_name_len;	/* don't include newline or NULL */
+	char	lap_name[256];	/* path component that has timed out */
+} lx_autofs_expire_t;
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LX_AUTOFS_H */
diff --git a/usr/src/uts/common/brand/lx/sys/lx_autofs_impl.h b/usr/src/uts/common/brand/lx/sys/lx_autofs_impl.h
new file mode 100644
index 0000000000..9c5517b8d5
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/sys/lx_autofs_impl.h
@@ -0,0 +1,121 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_LX_AUTOFS_IMPL_H
+#define	_LX_AUTOFS_IMPL_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#include <sys/file.h>
+#include <sys/id_space.h>
+#include <sys/modhash.h>
+#include <sys/vnode.h>
+
+#include <sys/lx_autofs.h>
+
+/*
+ * Space key.
+ * Used to persist data across lx_autofs filesystem module unloads.
+ */
+#define	LX_AUTOFS_SPACE_KEY_UDEV	LX_AUTOFS_NAME "_udev"
+
+/*
+ * Name of the backing store directory.
+ */
+#define	LX_AUTOFS_BS_DIR		"." LX_AUTOFS_NAME
+
+#define	LX_AUTOFS_VFS_ID_HASH_SIZE	15
+#define	LX_AUTOFS_VFS_PATH_HASH_SIZE	15
+#define	LX_AUTOFS_VFS_VN_HASH_SIZE	15
+
+/*
+ * VFS data object.
+ */
+typedef struct lx_autofs_vfs {
+	/* Info about the underlying filesystem and backing store. */
+	vnode_t		*lav_mvp;
+	char		*lav_bs_name;
+	vnode_t		*lav_bs_vp;
+
+	/* Info about the automounter process managing this filesystem. */
+	int		lav_fd;
+	pid_t		lav_pgrp;
+	file_t		*lav_fifo_wr;
+	file_t		*lav_fifo_rd;
+
+	/* Each automount requests needs a unique id. */
+	id_space_t	*lav_ids;
+
+	/* All remaining structure members are protected by lav_lock. */
+	kmutex_t	lav_lock;
+
+	/* Hashes to keep track of outstanding automounter requests. */
+	mod_hash_t	*lav_path_hash;
+	mod_hash_t	*lav_id_hash;
+
+	/* We need to keep track of all our vnodes. */
+	vnode_t		*lav_root;
+	mod_hash_t	*lav_vn_hash;
+} lx_autofs_vfs_t;
+
+/*
+ * Structure to keep track of requests sent to the automounter.
+ */
+typedef struct lx_autofs_lookup_req {
+	/* Packet that gets sent to the automounter. */
+	lx_autofs_pkt_t	lalr_pkt;
+
+	/* Reference count.  Always updated atomically. */
+	uint_t		lalr_ref;
+
+	/*
+	 * Fields to keep track and sync threads waiting on a lookup.
+	 * Fields are protected by lalr_lock.
+	 */
+	kmutex_t	lalr_lock;
+	kcondvar_t	lalr_cv;
+	int		lalr_complete;
+} lx_autofs_lookup_req_t;
+
+/*
+ * Generic stack structure.
+ */
+typedef struct stack_elem {
+	list_node_t	se_list;
+	caddr_t		se_ptr1;
+	caddr_t		se_ptr2;
+	caddr_t		se_ptr3;
+} stack_elem_t;
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LX_AUTOFS_IMPL_H */
diff --git a/usr/src/uts/common/brand/lx/sys/lx_brand.h b/usr/src/uts/common/brand/lx/sys/lx_brand.h
new file mode 100644
index 0000000000..882b25743a
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/sys/lx_brand.h
@@ -0,0 +1,698 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _LX_BRAND_H
+#define	_LX_BRAND_H
+
+#ifndef _ASM
+#include <sys/types.h>
+#include <sys/cpuvar.h>
+#include <sys/zone.h>
+#include <sys/ksocket.h>
+#endif
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#define	LX_BRANDNAME	"lx"
+
+/*
+ * Brand uname info
+ */
+#define	LX_UNAME_SYSNAME	"Linux"
+#define	LX_UNAME_RELEASE_2_6	"2.6.18"
+#define	LX_UNAME_RELEASE_2_4	"2.4.21"
+#define	LX_UNAME_VERSION	"BrandZ virtual linux"
+#define	LX_UNAME_MACHINE32	"i686"
+#define	LX_UNAME_MACHINE64	"x86_64"
+
+#define	LX_LIB_PATH32	"/native/usr/lib/lx_brand.so.1"
+#define	LX_LIB_PATH64	"/native/usr/lib/amd64/lx_brand.so.1"
+
+#if defined(_LP64)
+#define	LX_LIB_PATH		LX_LIB_PATH64
+#define	LX_UNAME_MACHINE	LX_UNAME_MACHINE64
+#else
+#define	LX_LIB_PATH		LX_LIB_PATH32
+#define	LX_UNAME_MACHINE	LX_UNAME_MACHINE32
+#endif
+
+/*
+ * This must be large enough for both the 32-bit table and 64-bit table.
+ */
+#define	LX_NSYSCALLS		358
+
+/*
+ * brand(2) subcommands
+ *
+ * Everything >= 128 is a brand-specific subcommand.
+ * > 192 is reserved for in-kernel emulated system calls.
+ */
+#define	B_LPID_TO_SPAIR		128
+#define	B_GET_CURRENT_CONTEXT	129
+#define	B_EMULATION_DONE	130
+#define	B_PTRACE_KERNEL		131
+#define	B_SET_AFFINITY_MASK	132
+#define	B_GET_AFFINITY_MASK	133
+#define	B_PTRACE_CLONE_BEGIN	134
+#define	B_PTRACE_STOP_FOR_OPT	135
+#define	B_UNSUPPORTED		136
+#define	B_STORE_ARGS		137
+#define	B_GETPID		138
+#define	B_JUMP_TO_LINUX		139
+#define	B_SET_THUNK_PID		140
+#define	B_EXIT_AS_SIG		141
+#define	B_HELPER_WAITID		142
+#define	B_HELPER_CLONE		143
+#define	B_HELPER_SETGROUPS	144
+#define	B_HELPER_SIGQUEUE	145
+#define	B_HELPER_TGSIGQUEUE	146
+#define	B_SET_NATIVE_STACK	147
+
+#ifndef _ASM
+/*
+ * Support for Linux PTRACE_SETOPTIONS handling.
+ */
+typedef enum lx_ptrace_options {
+	LX_PTRACE_O_TRACESYSGOOD =	0x0001,
+	LX_PTRACE_O_TRACEFORK =		0x0002,
+	LX_PTRACE_O_TRACEVFORK =	0x0004,
+	LX_PTRACE_O_TRACECLONE =	0x0008,
+	LX_PTRACE_O_TRACEEXEC =		0x0010,
+	LX_PTRACE_O_TRACEVFORKDONE =	0x0020,
+	LX_PTRACE_O_TRACEEXIT =		0x0040,
+	LX_PTRACE_O_TRACESECCOMP =	0x0080
+} lx_ptrace_options_t;
+
+#define	LX_PTRACE_O_ALL							\
+	(LX_PTRACE_O_TRACESYSGOOD | LX_PTRACE_O_TRACEFORK | 		\
+	LX_PTRACE_O_TRACEVFORK | LX_PTRACE_O_TRACECLONE | 		\
+	LX_PTRACE_O_TRACEEXEC | LX_PTRACE_O_TRACEVFORKDONE |		\
+	LX_PTRACE_O_TRACEEXIT | LX_PTRACE_O_TRACESECCOMP)
+#endif /* !_ASM */
+
+/* siginfo si_status for traced events */
+#define	LX_PTRACE_EVENT_FORK		0x100
+#define	LX_PTRACE_EVENT_VFORK		0x200
+#define	LX_PTRACE_EVENT_CLONE		0x300
+#define	LX_PTRACE_EVENT_EXEC		0x400
+#define	LX_PTRACE_EVENT_VFORK_DONE	0x500
+#define	LX_PTRACE_EVENT_EXIT		0x600
+#define	LX_PTRACE_EVENT_SECCOMP		0x700
+
+/*
+ * Brand-private values for the "pr_what" member of lwpstatus, for use with the
+ * PR_BRAND stop reason.  These reasons are validated in lx_stop_notify();
+ * update it if you add new reasons here.
+ */
+#define	LX_PR_SYSENTRY		1
+#define	LX_PR_SYSEXIT		2
+#define	LX_PR_SIGNALLED		3
+#define	LX_PR_EVENT		4
+
+
+#define	LX_VERSION_1		1
+#define	LX_VERSION		LX_VERSION_1
+
+#define	LX_KERN_VERSION_NUM	ZONE_ATTR_BRAND_ATTRS
+
+/*
+ * Aux vector containing phdr of Linux executable and ehdr of interpreter
+ * (if any), both of which are used by lx_librtld_db to ascertain r_debug.
+ * We repurpose the 3rd brand-specific aux vector slot for the Linux
+ * AT_SYSINFO_EHDR entry (we modify the a_type in the brand library).
+ */
+#define	AT_SUN_BRAND_LX_PHDR	AT_SUN_BRAND_AUX1
+#define	AT_SUN_BRAND_LX_INTERP	AT_SUN_BRAND_AUX2
+#define	AT_SUN_BRAND_LX_SYSINFO_EHDR	AT_SUN_BRAND_AUX3
+
+/* Aux vector containing hz value */
+#define	AT_CLKTCK	17
+/* Aux vector containing vDSO addr */
+#define	AT_SYSINFO_EHDR	33
+
+/*
+ * Usermode emulation routines are run on an alternate stack allocated by
+ * the brand library.  Every LWP in a process will incur this overhead beyond
+ * the regular thread stack:
+ */
+#define	LX_NATIVE_STACK_PAGE_COUNT	64
+
+/*
+ * When returning in a new child process created with vfork(2) (or CLONE_VFORK)
+ * we discard some of the native stack to prevent corruption of the parent
+ * emulation state.
+ */
+#define	LX_NATIVE_STACK_VFORK_GAP	0x3000
+
+#ifndef	_ASM
+
+extern struct brand lx_brand;
+
+typedef struct lx_brand_registration {
+	uint_t lxbr_version;		/* version number */
+	void *lxbr_handler;		/* base address of handler */
+	uint32_t lxbr_flags;		/* LX_PROC_* registration flags */
+} lx_brand_registration_t;
+
+typedef struct lx_brand_registration32 {
+	uint_t lxbr_version;		/* version number */
+	uint32_t lxbr_handler;		/* base address of handler */
+	uint32_t lxbr_flags;		/* LX_PROC_* registration flags */
+} lx_brand_registration32_t;
+
+#ifdef __amd64
+
+typedef struct lx_regs {
+	long lxr_fs;
+	long lxr_rdi;
+	long lxr_rsi;
+	long lxr_rbp;
+	long lxr_rsp;
+	long lxr_rbx;
+	long lxr_rdx;
+	long lxr_rcx;
+	long lxr_rax;
+	long lxr_r8;
+	long lxr_r9;
+	long lxr_r10;
+	long lxr_r11;
+	long lxr_r12;
+	long lxr_r13;
+	long lxr_r14;
+	long lxr_r15;
+	long lxr_rip;
+
+	long lxr_orig_rax;
+} lx_regs_t;
+
+typedef struct lx_regs32 {
+	uint32_t lxr_gs;
+	uint32_t lxr_edi;
+	uint32_t lxr_esi;
+	uint32_t lxr_ebp;
+	uint32_t lxr_esp;
+	uint32_t lxr_ebx;
+	uint32_t lxr_edx;
+	uint32_t lxr_ecx;
+	uint32_t lxr_eax;
+	uint32_t lxr_eip;
+
+	uint32_t lxr_orig_eax;
+} lx_regs32_t;
+
+#else /* ! __amd64 */
+
+typedef struct lx_regs {
+	long lxr_gs;
+	long lxr_edi;
+	long lxr_esi;
+	long lxr_ebp;
+	long lxr_esp;
+	long lxr_ebx;
+	long lxr_edx;
+	long lxr_ecx;
+	long lxr_eax;
+	long lxr_eip;
+
+	long lxr_orig_eax;
+} lx_regs_t;
+
+#endif /* __amd64 */
+
+#ifdef __amd64
+/*
+ * The 64-bit native "user_regs_struct" Linux structure.
+ */
+typedef struct lx_user_regs {
+	long lxur_r15;
+	long lxur_r14;
+	long lxur_r13;
+	long lxur_r12;
+	long lxur_rbp;
+	long lxur_rbx;
+	long lxur_r11;
+	long lxur_r10;
+	long lxur_r9;
+	long lxur_r8;
+	long lxur_rax;
+	long lxur_rcx;
+	long lxur_rdx;
+	long lxur_rsi;
+	long lxur_rdi;
+	long lxur_orig_rax;
+	long lxur_rip;
+	long lxur_xcs;
+	long lxur_rflags;
+	long lxur_rsp;
+	long lxur_xss;
+	long lxur_xfs_base;
+	long lxur_xgs_base;
+	long lxur_xds;
+	long lxur_xes;
+	long lxur_xfs;
+	long lxur_xgs;
+} lx_user_regs_t;
+
+#if defined(_KERNEL) && defined(_SYSCALL32_IMPL)
+/*
+ * 64-bit kernel view of the 32-bit "user_regs_struct" Linux structure.
+ */
+typedef struct lx_user_regs32 {
+	int32_t lxur_ebx;
+	int32_t lxur_ecx;
+	int32_t lxur_edx;
+	int32_t lxur_esi;
+	int32_t lxur_edi;
+	int32_t lxur_ebp;
+	int32_t lxur_eax;
+	int32_t lxur_xds;
+	int32_t lxur_xes;
+	int32_t lxur_xfs;
+	int32_t lxur_xgs;
+	int32_t lxur_orig_eax;
+	int32_t lxur_eip;
+	int32_t lxur_xcs;
+	int32_t lxur_eflags;
+	int32_t lxur_esp;
+	int32_t lxur_xss;
+} lx_user_regs32_t;
+#endif /* defined(_KERNEL) && defined(_SYSCALL32_IMPL) */
+
+#else /* !__amd64 */
+/*
+ * The 32-bit native "user_regs_struct" Linux structure.
+ */
+typedef struct lx_user_regs {
+	long lxur_ebx;
+	long lxur_ecx;
+	long lxur_edx;
+	long lxur_esi;
+	long lxur_edi;
+	long lxur_ebp;
+	long lxur_eax;
+	long lxur_xds;
+	long lxur_xes;
+	long lxur_xfs;
+	long lxur_xgs;
+	long lxur_orig_eax;
+	long lxur_eip;
+	long lxur_xcs;
+	long lxur_eflags;
+	long lxur_esp;
+	long lxur_xss;
+} lx_user_regs_t;
+#endif /* __amd64 */
+
+#endif /* _ASM */
+
+/*
+ * GDT usage
+ */
+#define	GDT_TLSMIN	(GDT_BRANDMIN)
+#define	GDT_TLSMAX	(GDT_TLSMIN + 2)
+#define	LX_TLSNUM	(GDT_TLSMAX - GDT_TLSMIN)
+
+#ifndef _ASM
+
+/*
+ * Stores information needed by the lx linker to launch the main
+ * lx executable.
+ */
+typedef struct lx_elf_data64 {
+	uintptr_t	ed_phdr;
+	uintptr_t	ed_phent;
+	uintptr_t	ed_phnum;
+	uintptr_t	ed_entry;
+	uintptr_t	ed_base;
+	uintptr_t	ed_ldentry;
+} lx_elf_data64_t;
+
+typedef struct lx_elf_data32 {
+	uint32_t	ed_phdr;
+	uint32_t	ed_phent;
+	uint32_t	ed_phnum;
+	uint32_t	ed_entry;
+	uint32_t	ed_base;
+	uint32_t	ed_ldentry;
+} lx_elf_data32_t;
+
+#if defined(_LP64)
+typedef lx_elf_data64_t lx_elf_data_t;
+#else
+typedef lx_elf_data32_t lx_elf_data_t;
+#endif
+
+typedef enum lx_proc_flags {
+	LX_PROC_INSTALL_MODE = 0x01,
+	LX_PROC_STRICT_MODE = 0x02
+} lx_proc_flags_t;
+
+#define	LX_PROC_ALL	(LX_PROC_INSTALL_MODE | LX_PROC_STRICT_MODE)
+
+#ifdef	_KERNEL
+
+#define	LX_RLFAKE_LOCKS		0
+#define	LX_RLFAKE_NICE		1
+#define	LX_RLFAKE_RTPRIO	2
+#define	LX_RLFAKE_RTTIME	3
+
+#define	LX_RLFAKE_NLIMITS	4
+
+#define	LX_RLIM64_INFINITY	(~0ULL)
+
+typedef struct {
+	uint64_t	rlim_cur;
+	uint64_t	rlim_max;
+} lx_rlimit64_t;
+
+typedef struct lx_proc_data {
+	uintptr_t l_handler;	/* address of user-space handler */
+	pid_t l_ppid;		/* pid of originating parent proc */
+	uint64_t l_ptrace;	/* process being observed with ptrace */
+	lx_elf_data_t l_elf_data; /* ELF data for linux executable */
+	int l_signal;		/* signal to deliver to parent when this */
+				/* thread group dies */
+	lx_proc_flags_t l_flags;
+
+	lx_rlimit64_t l_fake_limits[LX_RLFAKE_NLIMITS];
+} lx_proc_data_t;
+
+#endif	/* _KERNEL */
+
+/*
+ * A data type big enough to bitmap all Linux possible cpus.
+ * The bitmap size is defined as 1024 cpus in the Linux 2.4 and 2.6 man pages
+ * for sched_getaffinity() and sched_getaffinity().
+ */
+#define	LX_NCPU		(1024)
+#define	LX_AFF_ULONGS	(LX_NCPU / (8 * sizeof (ulong_t)))
+typedef ulong_t lx_affmask_t[LX_AFF_ULONGS];
+
+/* Max. length of kernel version string */
+#define	LX_VERS_MAX	16
+
+/*
+ * Flag values for uc_brand_data[0] in the ucontext_t:
+ */
+#define	LX_UC_STACK_NATIVE	0x00001
+#define	LX_UC_STACK_BRAND	0x00002
+#define	LX_UC_RESTORE_NATIVE_SP	0x00010
+#define	LX_UC_FRAME_IS_SYSCALL	0x00100
+#define	LX_UC_RESTART_SYSCALL	0x01000
+#define	LX_UC_IGNORE_LINK	0x10000
+
+#ifdef	_KERNEL
+
+typedef struct lx_lwp_data lx_lwp_data_t;
+
+/*
+ * Flag values for "lxpa_flags" on a ptrace(2) accord.
+ */
+typedef enum lx_accord_flags {
+	LX_ACC_TOMBSTONE = 0x01
+} lx_accord_flags_t;
+
+/*
+ * Flags values for "br_ptrace_flags" in the LWP-specific data.
+ */
+typedef enum lx_ptrace_state {
+	LX_PTRACE_SYSCALL = 0x01,
+	LX_PTRACE_EXITING = 0x02,
+	LX_PTRACE_STOPPING = 0x04,
+	LX_PTRACE_INHERIT = 0x08,
+	LX_PTRACE_STOPPED = 0x10,
+	LX_PTRACE_PARENT_WAIT = 0x20,
+	LX_PTRACE_CLDPEND = 0x40,
+	LX_PTRACE_CLONING = 0x80,
+	LX_PTRACE_WAITPEND = 0x100
+} lx_ptrace_state_t;
+
+/*
+ * A ptrace(2) accord represents the relationship between a tracer LWP and the
+ * set of LWPs that it is tracing: the tracees.  This data structure belongs
+ * primarily to the tracer, but is reference counted so that it may be freed by
+ * whoever references it last.
+ */
+typedef struct lx_ptrace_accord {
+	kmutex_t		lxpa_lock;
+	uint_t			lxpa_refcnt;
+	lx_accord_flags_t	lxpa_flags;
+
+	/*
+	 * The tracer must hold "pidlock" while clearing these fields for
+	 * exclusion of waitid(), etc.
+	 */
+	lx_lwp_data_t		*lxpa_tracer;
+	kcondvar_t		*lxpa_cvp;
+
+	/*
+	 * The "lxpa_tracees_lock" mutex protects the tracee list.
+	 */
+	kmutex_t		lxpa_tracees_lock;
+	list_t			lxpa_tracees;
+} lx_ptrace_accord_t;
+
+/*
+ * These values are stored in the per-LWP data for a tracee when it is attached
+ * to a tracer.  They record the method that was used to attach.
+ */
+typedef enum lx_ptrace_attach {
+	LX_PTA_NONE = 0x00,		/* not attached */
+	LX_PTA_ATTACH = 0x01,		/* due to tracer using PTRACE_ATTACH */
+	LX_PTA_TRACEME = 0x02,		/* due to child using PTRACE_TRACEME */
+	LX_PTA_INHERIT_CLONE = 0x04,	/* due to PTRACE_CLONE clone(2) flag */
+	LX_PTA_INHERIT_OPTIONS = 0x08	/* due to PTRACE_SETOPTIONS options */
+} lx_ptrace_attach_t;
+
+typedef enum lx_stack_mode {
+	LX_STACK_MODE_PREINIT = 0,
+	LX_STACK_MODE_INIT,
+	LX_STACK_MODE_NATIVE,
+	LX_STACK_MODE_BRAND
+} lx_stack_mode_t;
+
+struct lx_pid {
+	pid_t	s_pid;			/* the SunOS pid and ... */
+	id_t	s_tid;			/* ... tid pair */
+	pid_t	l_pid;			/* the corresponding linux pid */
+	time_t	l_start;		/* birthday of this pid */
+	struct pid *l_pidp;
+	struct lx_pid *stol_next;	/* link in stol hash table */
+	struct lx_pid *ltos_next;	/* link in ltos hash table */
+};
+
+/*
+ * lx-specific data in the klwp_t
+ */
+struct lx_lwp_data {
+	uint_t	br_lwp_flags;		/* misc. flags */
+	klwp_t	*br_lwp;		/* back pointer to container lwp */
+	int	br_signal;		/* signal to send to parent when */
+					/* clone()'ed child terminates */
+	int	br_exitwhy;		/* reason for thread (process) exit */
+	int	br_exitwhat;		/* exit code / killing signal */
+	lx_affmask_t br_affinitymask;	/* bitmask of CPU sched affinities */
+	struct user_desc br_tls[LX_TLSNUM];
+			/* descriptors used by libc for TLS */
+	ulong_t	br_lx_fsbase;		/* lx fsbase for 64-bit thread ptr */
+	ulong_t	br_ntv_fsbase;		/* native fsbase 64-bit thread ptr */
+	ulong_t	br_lx_gsbase;		/* lx user-land gsbase */
+	ulong_t	br_ntv_gsbase;		/* native user-land gsbase */
+	pid_t	br_pid;			/* converted pid for this thread */
+	pid_t	br_tgid;		/* thread group ID for this thread */
+	pid_t	br_ppid;		/* parent pid for this thread */
+	id_t	br_ptid;		/* parent tid for this thread */
+	void	*br_clear_ctidp;	/* clone thread id ptr */
+	void	*br_set_ctidp;		/* clone thread id ptr */
+	void	*br_robust_list;	/* robust lock list, if any */
+
+	/*
+	 * The following struct is used by some system calls to pass extra
+	 * flags into the kernel without impinging on the namespace for
+	 * illumos.
+	 */
+	void	*br_scall_args;
+	int	br_args_size; /* size in bytes of br_scall_args */
+
+	boolean_t br_waitid_emulate;
+	int br_waitid_flags;
+
+	lx_ptrace_state_t br_ptrace_flags; /* ptrace state for this LWP */
+	lx_ptrace_options_t br_ptrace_options; /* PTRACE_SETOPTIONS options */
+	lx_ptrace_options_t br_ptrace_clone_option; /* current clone(2) type */
+
+	lx_ptrace_attach_t br_ptrace_attach; /* how did we get attached */
+	lx_ptrace_accord_t *br_ptrace_accord; /* accord for this tracer LWP */
+	lx_ptrace_accord_t *br_ptrace_tracer; /* accord tracing this LWP */
+	list_node_t br_ptrace_linkage;	/* linkage for lxpa_tracees list */
+
+	ushort_t br_ptrace_whystop; 	/* stop reason, 0 for no stop */
+	ushort_t br_ptrace_whatstop;	/* stop sub-reason */
+
+	int32_t br_ptrace_stopsig;	/* stop signal, 0 for no signal */
+	uintptr_t br_ptrace_stopucp;	/* usermode ucontext_t pointer */
+
+	uint_t	br_ptrace_event;
+	ulong_t	br_ptrace_eventmsg;
+
+	int	br_syscall_num;		/* current system call number */
+	boolean_t br_syscall_restart;	/* should restart on EINTR */
+
+	/*
+	 * Store the LX_STACK_MODE for this LWP, and the current extent of the
+	 * native (emulation) stack.  This is similar, in principle, to the
+	 * sigaltstack mechanism for signal handling.  We also use this mode
+	 * flag to determine how to process system calls from this LWP.
+	 */
+	lx_stack_mode_t	br_stack_mode;
+	uintptr_t br_ntv_stack;
+	uintptr_t br_ntv_stack_current;
+
+	/*
+	 * If this pid is set, we return it with getpid().  This allows the
+	 * thunking server to interpose on the pid returned to the Linux
+	 * syslog software.
+	 */
+	pid_t	br_lx_thunk_pid;
+
+	/*
+	 * If strict mode is enabled (via LX_STRICT in the environment), any
+	 * call to lx_unsupported() will set this boolean to B_TRUE.  This will
+	 * cause us to drop SIGSYS on the LWP as it attempts to return to
+	 * usermode.
+	 */
+	boolean_t br_strict_failure;
+
+	/*
+	 * Hold a pre-allocated lx_pid structure to be used during lx_initlwp.
+	 */
+	struct lx_pid *br_lpid;
+};
+
+/*
+ * Upper limit on br_args_size, low because this value can persist until
+ * overridden with another value, and the size is given from userland.
+ */
+#define	LX_BR_ARGS_SIZE_MAX	(1024)
+
+/* brand specific data */
+typedef struct lx_zone_data {
+	char lxzd_kernel_version[LX_VERS_MAX];
+	ksocket_t lxzd_ioctl_sock;
+} lx_zone_data_t;
+
+#define	BR_CPU_BOUND	0x0001
+
+#define	ttolxlwp(t)	((struct lx_lwp_data *)ttolwpbrand(t))
+#define	lwptolxlwp(l)	((struct lx_lwp_data *)lwptolwpbrand(l))
+#define	ttolxproc(t)	\
+	(((t)->t_procp->p_brand == &lx_brand) ? \
+	(struct lx_proc_data *)(t)->t_procp->p_brand_data : NULL)
+#define	ptolxproc(p)	\
+	(((p)->p_brand == &lx_brand) ? \
+	(struct lx_proc_data *)(p)->p_brand_data : NULL)
+#define	ztolxzd(z)		\
+	(((z)->zone_brand == &lx_brand) ?  \
+	(lx_zone_data_t *)(z)->zone_brand_data : NULL)
+
+/* Macro for converting to system call arguments. */
+#define	LX_ARGS(scall) ((struct lx_##scall##_args *)\
+	(ttolxlwp(curthread)->br_scall_args))
+
+/*
+ * Determine the upper bound on the system call number:
+ */
+#if defined(_LP64)
+#define	LX_MAX_SYSCALL(lwp)						\
+	((lwp_getdatamodel(lwp) == DATAMODEL_NATIVE) ?			\
+	    lx_nsysent64 : lx_nsysent32)
+#else
+#define	LX_MAX_SYSCALL(lwp)	lx_nsysent32
+#endif
+
+extern char *lx_get_zone_kern_version(zone_t *);
+
+extern void lx_lwp_set_native_stack_current(lx_lwp_data_t *, uintptr_t);
+extern void lx_divert(klwp_t *, uintptr_t);
+extern int lx_runexe(klwp_t *, void *);
+extern void lx_switch_to_native(klwp_t *);
+extern int lx_regs_to_userregs(lx_lwp_data_t *, void *);
+extern int lx_uc_to_userregs(lx_lwp_data_t *, void *, void *);
+extern int lx_userregs_to_regs(lx_lwp_data_t *lwpd, void *);
+extern int lx_userregs_to_uc(lx_lwp_data_t *lwpd, void *, void *);
+
+extern int lx_syscall_enter(void);
+extern int lx_syscall_return(klwp_t *, int, long);
+
+extern void lx_trace_sysenter(int, uintptr_t *);
+extern void lx_trace_sysreturn(int, long);
+
+extern void lx_emulate_user(klwp_t *, int, uintptr_t *);
+#if defined(_SYSCALL32_IMPL)
+extern void lx_emulate_user32(klwp_t *, int, uintptr_t *);
+#endif
+
+extern int lx_debug;
+#define	lx_print	if (lx_debug) printf
+
+extern void lx_pid_assign(kthread_t *, struct lx_pid *);
+extern void lx_pid_reassign(kthread_t *);
+extern void lx_pid_rele(pid_t, id_t);
+extern pid_t lx_lpid_to_spair(pid_t, pid_t *, id_t *);
+extern pid_t lx_lwp_ppid(klwp_t *, pid_t *, id_t *);
+extern void lx_pid_init(void);
+extern void lx_pid_fini(void);
+
+/*
+ * In-Kernel Linux System Call Description.
+ */
+typedef struct lx_sysent {
+	char	*sy_name;
+	long	(*sy_callc)();
+	char	sy_flags;
+	char	sy_narg;
+} lx_sysent_t;
+
+#if defined(_LP64)
+extern lx_sysent_t lx_sysent64[LX_NSYSCALLS + 1];
+extern int lx_nsysent64;
+#endif
+extern lx_sysent_t lx_sysent32[LX_NSYSCALLS + 1];
+extern int lx_nsysent32;
+
+#endif	/* _KERNEL */
+#endif /* _ASM */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LX_BRAND_H */
diff --git a/usr/src/uts/common/brand/lx/sys/lx_fcntl.h b/usr/src/uts/common/brand/lx/sys/lx_fcntl.h
new file mode 100644
index 0000000000..759831ea38
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/sys/lx_fcntl.h
@@ -0,0 +1,153 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _SYS_LX_FCNTL_H
+#define	_SYS_LX_FCNTL_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * Lx open/fcntl flags
+ */
+#define	LX_O_RDONLY		00
+#define	LX_O_WRONLY		01
+#define	LX_O_RDWR		02
+#define	LX_O_CREAT		0100
+#define	LX_O_EXCL		0200
+#define	LX_O_NOCTTY		0400
+#define	LX_O_TRUNC		01000
+#define	LX_O_APPEND		02000
+#define	LX_O_NONBLOCK		04000
+#define	LX_O_NDELAY		LX_O_NONBLOCK
+#define	LX_O_SYNC		010000
+#define	LX_O_FSYNC		LX_O_SYNC
+#define	LX_O_ASYNC		020000
+#define	LX_O_DIRECT		040000
+#define	LX_O_LARGEFILE		0100000
+#define	LX_O_DIRECTORY		0200000
+#define	LX_O_NOFOLLOW		0400000
+/* lx flag for pipe2 */
+#define	LX_O_CLOEXEC		02000000
+
+#define	LX_F_DUPFD		0
+#define	LX_F_GETFD		1
+#define	LX_F_SETFD		2
+#define	LX_F_GETFL		3
+#define	LX_F_SETFL		4
+#define	LX_F_GETLK		5
+#define	LX_F_SETLK		6
+#define	LX_F_SETLKW		7
+#define	LX_F_SETOWN		8
+#define	LX_F_GETOWN		9
+#define	LX_F_SETSIG		10
+#define	LX_F_GETSIG		11
+
+#define	LX_F_GETLK64		12
+#define	LX_F_SETLK64		13
+#define	LX_F_SETLKW64		14
+
+#define	LX_F_SETLEASE		1024
+#define	LX_F_GETLEASE		1025
+#define	LX_F_NOTIFY		1026
+#define	LX_F_CANCELLK		1029
+#define	LX_F_DUPFD_CLOEXEC	1030
+#define	LX_F_SETPIPE_SZ		1031
+#define	LX_F_GETPIPE_SZ		1032
+
+#define	LX_F_RDLCK		0
+#define	LX_F_WRLCK		1
+#define	LX_F_UNLCK		2
+
+/*
+ * Lx flock codes.
+ */
+#define	LX_NAME_MAX		255
+#define	LX_LOCK_SH		1	/* shared */
+#define	LX_LOCK_EX		2	/* exclusive */
+#define	LX_LOCK_NB		4	/* non-blocking */
+#define	LX_LOCK_UN		8	/* unlock */
+
+/*
+ * On Linux the constants AT_REMOVEDIR and AT_EACCESS have the same value.
+ * AT_REMOVEDIR is used only by unlinkat and AT_EACCESS is used only by
+ * faccessat.
+ */
+#define	LX_AT_FDCWD		(-100)
+#define	LX_AT_SYMLINK_NOFOLLOW	0x100
+#define	LX_AT_REMOVEDIR		0x200
+#define	LX_AT_EACCESS		0x200
+#define	LX_AT_SYMLINK_FOLLOW	0x400
+#define	LX_AT_NO_AUTOMOUNT	0x800
+#define	LX_AT_EMPTY_PATH	0x1000
+
+typedef struct lx_flock {
+	short		l_type;
+	short		l_whence;
+	long		l_start;
+	long		l_len;
+	int		l_pid;
+} lx_flock_t;
+
+typedef struct lx_flock64 {
+	short		l_type;
+	short		l_whence;
+	long long	l_start;
+	long long	l_len;
+	int		l_pid;
+} lx_flock64_t;
+
+#if defined(_KERNEL)
+
+/*
+ * 64-bit kernel view of 32-bit usermode structs.
+ */
+#pragma pack(4)
+typedef struct lx_flock32 {
+	int16_t		l_type;
+	int16_t		l_whence;
+	int32_t		l_start;
+	int32_t		l_len;
+	int32_t		l_pid;
+} lx_flock32_t;
+
+typedef struct lx_flock64_32 {
+	int16_t		l_type;
+	int16_t		l_whence;
+	int64_t		l_start;
+	int64_t		l_len;
+	int32_t		l_pid;
+} lx_flock64_32_t;
+#pragma pack()
+
+#endif /* _KERNEL && _SYSCALL32_IMPL */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LX_FCNTL_H */
diff --git a/usr/src/uts/common/brand/lx/sys/lx_futex.h b/usr/src/uts/common/brand/lx/sys/lx_futex.h
new file mode 100644
index 0000000000..a400b3bd83
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/sys/lx_futex.h
@@ -0,0 +1,121 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _SYS_LX_FUTEX_H
+#define	_SYS_LX_FUTEX_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#define	FUTEX_WAIT		0
+#define	FUTEX_WAKE		1
+#define	FUTEX_FD		2
+#define	FUTEX_REQUEUE		3
+#define	FUTEX_CMP_REQUEUE	4
+#define	FUTEX_WAKE_OP		5
+#define	FUTEX_LOCK_PI		6
+#define	FUTEX_UNLOCK_PI		7
+#define	FUTEX_TRYLOCK_PI	8
+#define	FUTEX_WAIT_BITSET	9
+#define	FUTEX_WAKE_BITSET	10
+#define	FUTEX_WAIT_REQUEUE_PI	11
+#define	FUTEX_CMP_REQUEUE_PI	12
+#define	FUTEX_MAX_CMD		FUTEX_CMP_REQUEUE_PI
+
+/*
+ * Flags that can be OR'd into a futex operation.
+ */
+#define	FUTEX_CMD_MASK		0x007f
+#define	FUTEX_PRIVATE_FLAG	0x0080
+#define	FUTEX_CLOCK_REALTIME	0x0100
+
+#define	FUTEX_BITSET_MATCH_ANY	0xffffffff
+/*
+ * FUTEX_WAKE_OP operations
+ */
+#define	FUTEX_OP_SET		0	/* *(int *)UADDR2 = OPARG; */
+#define	FUTEX_OP_ADD		1	/* *(int *)UADDR2 += OPARG; */
+#define	FUTEX_OP_OR		2	/* *(int *)UADDR2 |= OPARG; */
+#define	FUTEX_OP_ANDN		3	/* *(int *)UADDR2 &= ~OPARG; */
+#define	FUTEX_OP_XOR		4	/* *(int *)UADDR2 ^= OPARG; */
+
+/*
+ * FUTEX_WAKE_OP comparison operations
+ */
+#define	FUTEX_OP_CMP_EQ		0	/* if (oldval == CMPARG) wake */
+#define	FUTEX_OP_CMP_NE		1	/* if (oldval != CMPARG) wake */
+#define	FUTEX_OP_CMP_LT		2	/* if (oldval < CMPARG) wake */
+#define	FUTEX_OP_CMP_LE		3	/* if (oldval <= CMPARG) wake */
+#define	FUTEX_OP_CMP_GT		4	/* if (oldval > CMPARG) wake */
+#define	FUTEX_OP_CMP_GE		5	/* if (oldval >= CMPARG) wake */
+
+/*
+ * The encoding of the FUTEX_WAKE_OP operation in 32 bits:
+ *
+ *	+--+-- - --+-- - --+-- - --+-- - --+
+ *	|S |OP     |CMP    |OPARG  |CMPARG |
+ *	+--+-- - --+-- - --+-- - --+-- - --+
+ *	|31|30 - 28|27 - 24|23 - 12|11 -  0|
+ *
+ * The S bit denotes that the OPARG should be (1 << OPARG) instead of OPARG.
+ * (Yes, this whole thing is entirely absurd -- see the block comment in
+ * lx_futex.c for an explanation of this nonsense.)  Macros to extract the
+ * various components from the operation, given the above encoding:
+ */
+#define	FUTEX_OP_OP(x)		(((x) >> 28) & 7)
+#define	FUTEX_OP_CMP(x)		(((x) >> 24) & 15)
+#define	FUTEX_OP_OPARG(x)	(((x) >> 31) ? (1 << (((x) << 8) >> 20)) : \
+				((((x) << 8) >> 20)))
+#define	FUTEX_OP_CMPARG(x)	(((x) << 20) >> 20)
+
+#ifdef _KERNEL
+
+#define	FUTEX_WAITERS			0x80000000
+#define	FUTEX_OWNER_DIED		0x40000000
+#define	FUTEX_TID_MASK			0x3fffffff
+
+#define	FUTEX_ROBUST_LOCK_PI		1
+#define	FUTEX_ROBUST_LIST_LIMIT		2048
+
+extern long lx_futex(uintptr_t addr, int cmd, int val, uintptr_t lx_timeout,
+    uintptr_t addr2, int val2);
+extern void lx_futex_init(void);
+extern int lx_futex_fini(void);
+extern long lx_set_robust_list(void *listp, size_t len);
+extern long lx_get_robust_list(pid_t pid, void **listp, size_t *lenp);
+extern void lx_futex_robust_exit(uintptr_t addr, uint32_t tid);
+
+#endif /* _KERNEL */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LX_FUTEX_H */
diff --git a/usr/src/uts/common/brand/lx/sys/lx_impl.h b/usr/src/uts/common/brand/lx/sys/lx_impl.h
new file mode 100644
index 0000000000..03b9d43038
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/sys/lx_impl.h
@@ -0,0 +1,52 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef	_LX_IMPL_H
+#define	_LX_IMPL_H
+
+#include <sys/types.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+typedef void (lx_systrace_f)(ulong_t, ulong_t, ulong_t, ulong_t, ulong_t,
+    ulong_t, ulong_t);
+
+
+extern lx_systrace_f *lx_systrace_entry_ptr;
+extern lx_systrace_f *lx_systrace_return_ptr;
+
+extern void lx_brand_systrace_enable(void);
+extern void lx_brand_systrace_disable(void);
+
+extern void lx_unsupported(char *);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LX_IMPL_H */
diff --git a/usr/src/uts/common/brand/lx/sys/lx_ldt.h b/usr/src/uts/common/brand/lx/sys/lx_ldt.h
new file mode 100644
index 0000000000..825933e86c
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/sys/lx_ldt.h
@@ -0,0 +1,91 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _SYS_LINUX_LDT_H
+#define	_SYS_LINUX_LDT_H
+
+#include <sys/segments.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+struct ldt_info {
+	uint_t	entry_number;
+	uint_t	base_addr;
+	uint_t	limit;
+	uint_t	seg_32bit:1,
+		contents:2,
+		read_exec_only:1,
+		limit_in_pages:1,
+		seg_not_present:1,
+		useable:1;
+};
+
+#define	LDT_INFO_EMPTY(info)						\
+	((info)->base_addr == 0 && (info)->limit == 0 &&		\
+	(info)->contents == 0 && (info)->read_exec_only == 1 &&		\
+	(info)->seg_32bit == 0 && (info)->limit_in_pages == 0 &&	\
+	(info)->seg_not_present == 1 && (info)->useable == 0)
+
+#if defined(__amd64)
+#define	SETMODE(desc)	(desc)->usd_long = SDP_SHORT;
+#else
+#define	SETMODE(desc)
+#endif
+
+#define	LDT_INFO_TO_DESC(info, desc)	{				\
+	USEGD_SETBASE(desc, (info)->base_addr);				\
+	USEGD_SETLIMIT(desc, (info)->limit);				\
+	(desc)->usd_type = ((info)->contents << 2) | 			\
+	    ((info)->read_exec_only ^ 1) << 1 | 0x10;			\
+	(desc)->usd_dpl = SEL_UPL;					\
+	(desc)->usd_p = (info)->seg_not_present ^ 1;			\
+	(desc)->usd_def32 = (info)->seg_32bit;				\
+	(desc)->usd_gran = (info)->limit_in_pages;			\
+	(desc)->usd_avl = (info)->useable;				\
+	SETMODE(desc);							\
+}
+
+#define	DESC_TO_LDT_INFO(desc, info)	{				\
+	bzero((info), sizeof (*(info)));				\
+	(info)->base_addr = USEGD_GETBASE(desc);			\
+	(info)->limit = USEGD_GETLIMIT(desc);				\
+	(info)->seg_not_present = (desc)->usd_p ^ 1;			\
+	(info)->contents = ((desc)->usd_type >> 2) & 3;			\
+	(info)->read_exec_only = (((desc)->usd_type >> 1) & 1) ^ 1;	\
+	(info)->seg_32bit = (desc)->usd_def32;				\
+	(info)->limit_in_pages = (desc)->usd_gran;			\
+	(info)->useable = (desc)->usd_avl;				\
+}
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LINUX_LDT_H */
diff --git a/usr/src/uts/common/brand/lx/sys/lx_misc.h b/usr/src/uts/common/brand/lx/sys/lx_misc.h
new file mode 100644
index 0000000000..c6161b2a98
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/sys/lx_misc.h
@@ -0,0 +1,88 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _SYS__LX_MISC_H
+#define	_SYS__LX_MISC_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#include <sys/lx_brand.h>
+
+#ifdef _KERNEL
+
+extern void lx_setrval(klwp_t *, int, int);
+extern void lx_exec();
+extern void lx_exitlwp(klwp_t *);
+extern void lx_freelwp(klwp_t *);
+extern void *lx_lwpdata_alloc(proc_t *);
+extern void lx_lwpdata_free(void *);
+extern void lx_initlwp(klwp_t *, void *);
+extern void lx_forklwp(klwp_t *, klwp_t *);
+
+extern void lx_set_gdt(int, user_desc_t *);
+extern void lx_clear_gdt(int);
+
+extern longlong_t lx_nosys();
+
+extern greg_t lx_fixsegreg(greg_t, model_t);
+extern uintptr_t lx_fsbase(klwp_t *, uintptr_t);
+extern void lx_exit_with_sig(proc_t *, sigqueue_t *);
+extern boolean_t lx_wait_filter(proc_t *, proc_t *);
+
+#define	LX_IFNAME_FROMNATIVE	0
+#define	LX_IFNAME_TONATIVE	1
+
+/* Linux ARP protocol hardware identifiers */
+#define	LX_ARPHRD_ETHER		1	/* Ethernet */
+#define	LX_ARPHRD_LOOPBACK	772	/* Loopback */
+#define	LX_ARPHRD_VOID		0xffff	/* Unknown */
+
+extern void lx_ifname_convert(char *, int);
+extern void lx_stol_hwaddr(const struct sockaddr_dl *, struct sockaddr *,
+    int *);
+
+extern boolean_t lx_ptrace_stop(ushort_t);
+extern void lx_stop_notify(proc_t *, klwp_t *, ushort_t, ushort_t);
+extern void lx_ptrace_init(void);
+extern void lx_ptrace_fini(void);
+extern int lx_ptrace_kernel(int, pid_t, uintptr_t, uintptr_t);
+extern int lx_waitid_helper(idtype_t, id_t, k_siginfo_t *, int, boolean_t *,
+    int *);
+extern void lx_ptrace_exit(proc_t *, klwp_t *);
+extern void lx_ptrace_inherit_tracer(lx_lwp_data_t *, lx_lwp_data_t *);
+extern int lx_ptrace_stop_for_option(int, boolean_t, ulong_t, uintptr_t);
+extern int lx_ptrace_set_clone_inherit(int, boolean_t);
+extern int lx_sigcld_repost(proc_t *, sigqueue_t *);
+extern int lx_ptrace_issig_stop(proc_t *, klwp_t *);
+
+extern int lx_helper_clone(int64_t *, int, void *, void *, void *);
+extern int lx_helper_setgroups(int, gid_t *);
+extern int lx_helper_rt_sigqueueinfo(pid_t, int, siginfo_t *);
+extern int lx_helper_rt_tgsigqueueinfo(pid_t, pid_t, int, siginfo_t *);
+
+extern boolean_t lx_vsyscall_iscall(klwp_t *, uintptr_t, int *);
+extern void lx_vsyscall_enter(proc_t *, klwp_t *, int);
+
+extern void lx_check_strict_failure(lx_lwp_data_t *);
+
+#endif
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS__LX_MISC_H */
diff --git a/usr/src/uts/common/brand/lx/sys/lx_ptm.h b/usr/src/uts/common/brand/lx/sys/lx_ptm.h
new file mode 100644
index 0000000000..74bbc939a3
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/sys/lx_ptm.h
@@ -0,0 +1,44 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_SYS_PTM_LINUX_H
+#define	_SYS_PTM_LINUX_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#define	LX_PTM_DRV		"lx_ptm"
+#define	LX_PTM_MINOR_NODE	"lx_ptmajor"
+
+#define	LX_PTM_DEV_TO_PTS(dev)	(getminor(dev) - 1)
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_PTM_LINUX_H */
diff --git a/usr/src/uts/common/brand/lx/sys/lx_sched.h b/usr/src/uts/common/brand/lx/sys/lx_sched.h
new file mode 100644
index 0000000000..b0ae748f3c
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/sys/lx_sched.h
@@ -0,0 +1,60 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _SYS_LINUX_SCHED_H
+#define	_SYS_LINUX_SCHED_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/procset.h>
+#include <sys/priocntl.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * Linux scheduler policies.
+ */
+#define	LX_SCHED_OTHER		0
+#define	LX_SCHED_FIFO		1
+#define	LX_SCHED_RR		2
+
+#define	LX_PRI_MAX		99
+
+typedef	int l_pid_t;
+
+struct lx_sched_param {
+	int	lx_sched_prio;
+};
+
+extern int sched_setprocset(procset_t *, l_pid_t);
+extern long do_priocntlsys(int, procset_t *, void *);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LINUX_SCHED_H */
diff --git a/usr/src/uts/common/brand/lx/sys/lx_siginfo.h b/usr/src/uts/common/brand/lx/sys/lx_siginfo.h
new file mode 100644
index 0000000000..9f606b614f
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/sys/lx_siginfo.h
@@ -0,0 +1,190 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _LX_SIGINFO_H
+#define	_LX_SIGINFO_H
+
+#include <sys/lx_types.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * lx_siginfo_t lsi_code values
+ *
+ *	LX_SI_ASYNCNL:	Sent by asynch name lookup completion
+ *	LX_SI_DETHREAD:	Sent by execve() killing subsidiary threads
+ *	LX_SI_SIGIO:	Sent by queued SIGIO
+ *	LX_SI_ASYNCIO:	Sent by asynchronous I/O completion
+ *	LX_SI_MESGQ:	Sent by real time message queue state change
+ *	LX_SI_TIMER:	Sent by timer expiration
+ *	LX_SI_QUEUE:	Sent by sigqueue
+ *	LX_SI_USER:	Sent by kill, sigsend, raise, etc.
+ *	LX_SI_KERNEL:	Sent by kernel
+ *	LX_SI_CODE_NOT_EXIST: Error code. When translating from Linux to
+ *	    illumos errors, if there is no translation available, this value
+ *	    should be used. This value should have no meaning as an si_code in
+ *	    illumos or Linux.
+ *
+ * At present, LX_SI_ASYNCNL, LX_SI_DETHREAD, and LX_SI_SIGIO are unused by
+ * BrandZ.
+ */
+#define	LX_SI_CODE_NOT_EXIST	(-61)
+#define	LX_SI_ASYNCNL		(-60)
+#define	LX_SI_DETHREAD		(-7)
+#define	LX_SI_TKILL		(-6)
+#define	LX_SI_SIGIO		(-5)
+#define	LX_SI_ASYNCIO		(-4)
+#define	LX_SI_MESGQ		(-3)
+#define	LX_SI_TIMER		(-2)
+#define	LX_SI_QUEUE		(-1)
+#define	LX_SI_USER		(0)
+#define	LX_SI_KERNEL		(0x80)
+
+#define	LX_SI_MAX_SIZE		128
+#define	LX_SI_PAD_SIZE_32	((LX_SI_MAX_SIZE / sizeof (int)) - 3)
+#define	LX_SI_PAD_SIZE_64	((LX_SI_MAX_SIZE / sizeof (int)) - 4)
+
+#if defined(_LP64)
+/*
+ * Because of the odd number (3) of ints before the union, we need to account
+ * for the smaller padding needed on x64 due to the union being offset to an 8
+ * byte boundary.
+ */
+#define	LX_SI_PAD_SIZE		LX_SI_PAD_SIZE_64
+#else
+#define	LX_SI_PAD_SIZE		LX_SI_PAD_SIZE_32
+#endif
+
+typedef struct lx_siginfo {
+	int lsi_signo;
+	int lsi_errno;
+	int lsi_code;
+	union {
+		int _pad[LX_SI_PAD_SIZE];
+
+		struct {
+			pid_t _pid;
+			lx_uid16_t _uid;
+		} _kill;
+
+		struct {
+			uint_t _timer1;
+			uint_t _timer2;
+		} _timer;
+
+		struct {
+			pid_t _pid;
+			lx_uid16_t _uid;
+			union sigval _sigval;
+		} _rt;
+
+		struct {
+			pid_t _pid;
+			lx_uid16_t _uid;
+			int _status;
+			clock_t _utime;
+			clock_t _stime;
+		} _sigchld;
+
+		struct {
+			void *_addr;
+		} _sigfault;
+
+		struct {
+			int _band;
+			int _fd;
+		} _sigpoll;
+	} _sifields;
+} lx_siginfo_t;
+
+#if defined(_KERNEL) && defined(_SYSCALL32_IMPL)
+/*
+ * 64-bit kernel view of the 32-bit "lx_siginfo_t" object.
+ */
+#pragma pack(4)
+typedef struct lx_siginfo32 {
+	int lsi_signo;
+	int lsi_errno;
+	int lsi_code;
+	union {
+		int _pad[LX_SI_PAD_SIZE_32];
+
+		struct {
+			pid32_t _pid;
+			lx_uid16_t _uid;
+		} _kill;
+
+		struct {
+			uint_t _timer1;
+			uint_t _timer2;
+		} _timer;
+
+		struct {
+			pid32_t _pid;
+			lx_uid16_t _uid;
+			union sigval32 _sigval;
+		} _rt;
+
+		struct {
+			pid32_t _pid;
+			lx_uid16_t _uid;
+			int _status;
+			clock32_t _utime;
+			clock32_t _stime;
+		} _sigchld;
+
+		struct {
+			caddr32_t _addr;
+		} _sigfault;
+
+		struct {
+			int _band;
+			int _fd;
+		} _sigpoll;
+	} _sifields;
+} lx_siginfo32_t;
+#pragma pack()
+#endif /* defined(_KERNEL) && defined(_SYSCALL32_IMPL) */
+
+#define	lsi_pid		_sifields._kill._pid
+#define	lsi_uid		_sifields._kill._uid
+#define	lsi_status	_sifields._sigchld._status
+#define	lsi_utime	_sifields._sigchld._utime
+#define	lsi_stime	_sifields._sigchld._stime
+#define	lsi_value	_sifields._rt._sigval
+#define	lsi_int		_sifields._rt._sigval.sivalx_int
+#define	lsi_ptr		_sifields._rt._sigval.sivalx_ptr
+#define	lsi_addr	_sifields._sigfault._addr
+#define	lsi_band	_sifields._sigpoll._band
+#define	lsi_fd		_sifields._sigpoll._fd
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LX_SIGINFO_H */
diff --git a/usr/src/uts/common/brand/lx/sys/lx_syscalls.h b/usr/src/uts/common/brand/lx/sys/lx_syscalls.h
new file mode 100644
index 0000000000..8cbf9751a2
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/sys/lx_syscalls.h
@@ -0,0 +1,125 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _SYS_LINUX_SYSCALLS_H
+#define	_SYS_LINUX_SYSCALLS_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#ifdef	_KERNEL
+
+extern long lx_arch_prctl();
+extern long lx_brk();
+extern long lx_chmod();
+extern long lx_chown();
+extern long lx_chown16();
+extern long lx_clock_getres();
+extern long lx_clock_gettime();
+extern long lx_clock_settime();
+extern long lx_fchmod();
+extern long lx_fchmodat();
+extern long lx_fchown();
+extern long lx_fchown16();
+extern long lx_fchownat();
+extern long lx_fcntl();
+extern long lx_fcntl64();
+extern long lx_futex();
+extern long lx_get_robust_list();
+extern long lx_get_thread_area();
+extern long lx_getcpu();
+extern long lx_getpid();
+extern long lx_getppid();
+extern long lx_getrandom();
+extern long lx_getrlimit();
+extern long lx_gettid();
+extern long lx_gettimeofday();
+extern long lx_ioctl();
+extern long lx_kill();
+extern long lx_lchown();
+extern long lx_lchown16();
+extern long lx_mkdir();
+extern long lx_mkdirat();
+extern long lx_modify_ldt();
+extern long lx_oldgetrlimit();
+extern long lx_open();
+extern long lx_openat();
+extern long lx_pipe();
+extern long lx_pipe2();
+extern long lx_prlimit64();
+extern long lx_read();
+extern long lx_sched_getparam();
+extern long lx_sched_getscheduler();
+extern long lx_sched_rr_get_interval();
+extern long lx_sched_setparam();
+extern long lx_sched_setscheduler();
+extern long lx_sched_yield();
+extern long lx_set_robust_list();
+extern long lx_set_thread_area();
+extern long lx_set_tid_address();
+extern long lx_setresgid();
+extern long lx_setresgid16();
+extern long lx_setresuid();
+extern long lx_setresuid16();
+extern long lx_setrlimit();
+extern long lx_sysinfo32();
+extern long lx_sysinfo64();
+extern long lx_tgkill();
+extern long lx_time();
+extern long lx_tkill();
+extern long lx_wait4();
+extern long lx_waitid();
+extern long lx_waitpid();
+extern long lx_write();
+extern long lx_xattr();
+
+#if defined(_LP64)
+/*
+ * Linux vsyscall addresses:
+ */
+#define	LX_VSYS_gettimeofday	(uintptr_t)0xffffffffff600000
+#define	LX_VSYS_time		(uintptr_t)0xffffffffff600400
+#define	LX_VSYS_getcpu		(uintptr_t)0xffffffffff600800
+
+#define	LX_VSYSCALL_ADDR		(uintptr_t)0xffffffffff600000
+#define	LX_VSYSCALL_SIZE		(uintptr_t)0x1000
+/*
+ * System call numbers for vsyscall revectoring:
+ */
+#define	LX_SYS_gettimeofday	96
+#define	LX_SYS_time		201
+#define	LX_SYS_getcpu		309
+#endif
+
+#endif	/* _KERNEL */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LINUX_SYSCALLS_H */
diff --git a/usr/src/uts/common/brand/lx/sys/lx_types.h b/usr/src/uts/common/brand/lx/sys/lx_types.h
new file mode 100644
index 0000000000..922c412020
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/sys/lx_types.h
@@ -0,0 +1,115 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _SYS_LX_TYPES_H
+#define	_SYS_LX_TYPES_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#ifndef	_KERNEL
+
+#define	SHRT_MIN	(-32768)	/* min value of a "short int" */
+#define	SHRT_MAX	32767		/* max value of a "short int" */
+#define	USHRT_MAX	65535		/* max of "unsigned short int" */
+#define	INT_MIN		(-2147483647-1) /* min value of an "int" */
+#define	INT_MAX		2147483647	/* max value of an "int" */
+#define	UINT_MAX	4294967295U	/* max value of an "unsigned int" */
+
+#if defined(_LP64)
+#define	LONG_MAX	9223372036854775807L
+#define	ULONG_MAX	18446744073709551615UL
+#else
+#define	LONG_MAX	2147483647L	/* max value of a 32-bit "long int" */
+#define	ULONG_MAX	4294967295UL	/* max value of a 32-bit "ulong int" */
+#endif
+
+#endif /* !_KERNEL */
+
+#define	LX_SYS_UTS_LN	65
+
+struct lx_utsname {
+	char	sysname[LX_SYS_UTS_LN];
+	char	nodename[LX_SYS_UTS_LN];
+	char	release[LX_SYS_UTS_LN];
+	char	version[LX_SYS_UTS_LN];
+	char	machine[LX_SYS_UTS_LN];
+	char	domainname[LX_SYS_UTS_LN];
+};
+
+typedef	uint64_t	lx_dev_t;
+typedef	uint16_t	lx_dev16_t;
+typedef	uint32_t	lx_ino_t;
+typedef	uint64_t	lx_ino64_t;
+typedef	uint32_t	lx_uid_t;
+typedef	uint16_t	lx_uid16_t;
+typedef	uint32_t	lx_gid_t;
+typedef	uint16_t	lx_gid16_t;
+typedef	uint32_t	lx_off_t;
+typedef	uint64_t	lx_off64_t;
+typedef	uint32_t	lx_blksize_t;
+typedef	uint32_t	lx_blkcnt_t;
+typedef	uint64_t	lx_blkcnt64_t;
+typedef	uint32_t	lx_mode_t;
+typedef	uint16_t	lx_mode16_t;
+
+#define	LX_UID16_TO_UID32(uid16)	\
+	(((uid16) == (lx_uid16_t)-1) ? ((lx_uid_t)-1) : (lx_uid_t)(uid16))
+
+#define	LX_GID16_TO_GID32(gid16)     \
+	(((gid16) == (lx_gid16_t)-1) ? ((lx_gid_t)-1) : (lx_gid_t)(gid16))
+
+/* Overflow values default to NFS nobody. */
+
+#define	UID16_OVERFLOW	((lx_uid16_t)65534)
+#define	GID16_OVERFLOW	((lx_gid16_t)65534)
+
+/*
+ * All IDs with high word non-zero are converted to default overflow values to
+ * avoid inadvertent truncation to zero (root) (!).
+ */
+#define	LX_UID32_TO_UID16(uid32)	\
+	((((uid32) & 0xffff0000) == 0)  ? ((lx_uid16_t)(uid32)) : \
+	    (((uid32) == ((lx_uid_t)-1)) ? ((lx_uid16_t)-1) : UID16_OVERFLOW))
+
+#define	LX_GID32_TO_GID16(gid32)	\
+	((((gid32) & 0xffff0000) == 0)  ? ((lx_gid16_t)(gid32)) : \
+	    (((gid32) == ((lx_gid_t)-1)) ? ((lx_gid16_t)-1) : GID16_OVERFLOW))
+
+struct lx_timespec {
+	time_t	ts_sec;
+	long	ts_nsec;
+};
+
+#define	LX_32TO64(lo, hi)	\
+	((uint64_t)((uint64_t)(lo) | ((uint64_t)(hi) << 32)))
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LX_TYPES_H */
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_brk.c b/usr/src/uts/common/brand/lx/syscall/lx_brk.c
new file mode 100644
index 0000000000..19a7577ac0
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_brk.c
@@ -0,0 +1,57 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+
+/*
+ * The brk() system call needs to be in-kernel because Linux expects a call to
+ * brk(0) to return the current breakpoint.  In Solaris, the process breakpoint
+ * is setup and managed by libc.  Due to the way we link our libraries and the
+ * need for Linux to manage its own breakpoint, this has to remain in the
+ * kernel.
+ */
+extern int brk(caddr_t);
+
+long
+lx_brk(caddr_t nva)
+{
+	proc_t *p = curproc;
+	klwp_t *lwp = ttolwp(curthread);
+
+	if (nva != 0) {
+		(void) brk(nva);
+
+		/*
+		 * Despite claims to the contrary in the manpage, when Linux
+		 * brk() fails, errno is left unchanged.
+		 */
+		lwp->lwp_errno = 0;
+	}
+	return ((long)(p->p_brkbase + p->p_brksize));
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_chmod.c b/usr/src/uts/common/brand/lx/syscall/lx_chmod.c
new file mode 100644
index 0000000000..66a4e35a63
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_chmod.c
@@ -0,0 +1,70 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/fcntl.h>
+#include <sys/thread.h>
+#include <sys/klwp.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_fcntl.h>
+
+/*
+ * From "uts/common/syscall/chmod.c":
+ */
+extern int fchmodat(int, char *, int, int);
+
+static long
+lx_fchmodat_wrapper(int fd, char *path, int mode, int flag)
+{
+	long rval;
+
+	if (fd == LX_AT_FDCWD) {
+		fd = AT_FDCWD;
+	}
+
+	if ((rval = fchmodat(fd, path, mode, flag)) != 0) {
+		lx_proc_data_t *pd = ttolxproc(curthread);
+		klwp_t *lwp = ttolwp(curthread);
+
+		/*
+		 * If the process is in "install mode", return success
+		 * if the operation failed due to an absent file.
+		 */
+		if ((pd->l_flags & LX_PROC_INSTALL_MODE) &&
+		    lwp->lwp_errno == ENOENT) {
+			lwp->lwp_errno = 0;
+			return (0);
+		}
+	}
+
+	return (rval);
+}
+
+long
+lx_fchmodat(int fd, char *path, int mode)
+{
+	return (lx_fchmodat_wrapper(fd, path, mode, 0));
+}
+
+long
+lx_fchmod(int fd, int mode)
+{
+	return (lx_fchmodat_wrapper(fd, NULL, mode, 0));
+}
+
+long
+lx_chmod(char *path, int mode)
+{
+	return (lx_fchmodat_wrapper(AT_FDCWD, path, mode, 0));
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_chown.c b/usr/src/uts/common/brand/lx/syscall/lx_chown.c
new file mode 100644
index 0000000000..c0326ee619
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_chown.c
@@ -0,0 +1,137 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/systm.h>
+#include <sys/fcntl.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_fcntl.h>
+#include <sys/lx_types.h>
+
+/*
+ * From "uts/common/syscall/chown.c":
+ */
+extern int fchownat(int, char *, uid_t, gid_t, int);
+
+long
+lx_fchownat_wrapper(int fd, char *path, uid_t uid, gid_t gid, int native_flag)
+{
+	long rval;
+
+	if (fd == LX_AT_FDCWD) {
+		fd = AT_FDCWD;
+	}
+
+	if ((rval = fchownat(fd, path, uid, gid, native_flag)) != 0) {
+		lx_proc_data_t *pd = ttolxproc(curthread);
+		klwp_t *lwp = ttolwp(curthread);
+
+		/*
+		 * If the process is in "install mode", return success
+		 * if the operation failed due to an absent file.
+		 */
+		if ((pd->l_flags & LX_PROC_INSTALL_MODE) &&
+		    lwp->lwp_errno == ENOENT) {
+			lwp->lwp_errno = 0;
+			return (0);
+		}
+	}
+
+	return (rval);
+}
+
+long
+lx_fchownat(int fd, char *path, uid_t uid, gid_t gid, int flag)
+{
+	char c;
+	int native_flag = 0;
+
+	if (copyin(path, &c, sizeof (c)) != 0) {
+		return (set_errno(EFAULT));
+	}
+
+	if (flag & LX_AT_EMPTY_PATH) {
+		/*
+		 * According to fchownat(2), when AT_EMPTY_PATH is set: "if
+		 * path is an empty string, operate on the file referred to by
+		 * fd".  We pass NULL in place of the empty string, which
+		 * causes fchownat() to operate on the fd we passed without an
+		 * additional lookup.
+		 */
+		if (c == '\0') {
+			path = NULL;
+		}
+
+		flag &= ~LX_AT_EMPTY_PATH;
+	} else {
+		/*
+		 * Otherwise, a file with no filename obviously cannot be
+		 * present in the directory.
+		 */
+		if (c == '\0') {
+			return (set_errno(ENOENT));
+		}
+	}
+
+	if (flag & LX_AT_SYMLINK_NOFOLLOW) {
+		flag &= ~LX_AT_SYMLINK_NOFOLLOW;
+		native_flag |= AT_SYMLINK_NOFOLLOW;
+	}
+
+	if (flag != 0) {
+		return (set_errno(EINVAL));
+	}
+
+	return (lx_fchownat_wrapper(fd, path, uid, gid, native_flag));
+}
+
+long
+lx_fchown(int fd, uid_t uid, gid_t gid)
+{
+	return (lx_fchownat_wrapper(fd, NULL, uid, gid, 0));
+}
+
+long
+lx_lchown(char *path, uid_t uid, gid_t gid)
+{
+	return (lx_fchownat_wrapper(AT_FDCWD, path, uid, gid,
+	    AT_SYMLINK_NOFOLLOW));
+}
+
+long
+lx_chown(char *path, uid_t uid, gid_t gid)
+{
+	return (lx_fchownat_wrapper(AT_FDCWD, path, uid, gid, 0));
+}
+
+long
+lx_fchown16(int fd, lx_uid16_t uid, lx_gid16_t gid)
+{
+	return (lx_fchownat_wrapper(fd, NULL, LX_UID16_TO_UID32(uid),
+	    LX_GID16_TO_GID32(gid), 0));
+}
+
+long
+lx_lchown16(char *path, uid_t uid, gid_t gid)
+{
+	return (lx_fchownat_wrapper(AT_FDCWD, path, LX_UID16_TO_UID32(uid),
+	    LX_GID16_TO_GID32(gid), AT_SYMLINK_NOFOLLOW));
+}
+
+long
+lx_chown16(char *path, lx_uid16_t uid, lx_gid16_t gid)
+{
+	return (lx_fchownat_wrapper(AT_FDCWD, path, LX_UID16_TO_UID32(uid),
+	    LX_GID16_TO_GID32(gid), 0));
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_clone.c b/usr/src/uts/common/brand/lx/syscall/lx_clone.c
new file mode 100644
index 0000000000..50cdeaeab9
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_clone.c
@@ -0,0 +1,143 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/brand.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_ldt.h>
+#include <sys/lx_misc.h>
+#include <lx_signum.h>
+#include <lx_syscall.h>
+#include <sys/x86_archext.h>
+#include <sys/controlregs.h>
+
+/*
+ * Our lwp has already been created at this point, so this routine is
+ * responsible for setting up all the state needed to track this as a
+ * linux cloned thread.
+ */
+/* ARGSUSED */
+int
+lx_helper_clone(int64_t *rval, int flags, void *ptidp, void *tls, void *ctidp)
+{
+	struct lx_lwp_data *lwpd = ttolxlwp(curthread);
+	struct lx_proc_data *lproc = ttolxproc(curthread);
+	struct ldt_info info;
+	struct user_desc descr;
+	int tls_index;
+	int entry = -1;
+	int signo;
+
+	signo = flags & LX_CSIGNAL;
+	if (signo < 0 || signo > LX_NSIG)
+		return (set_errno(EINVAL));
+
+	if (!(flags & LX_CLONE_THREAD)) {
+		lproc->l_signal = signo;
+	} else {
+		if (flags & LX_CLONE_SETTLS) {
+			if (get_udatamodel() == DATAMODEL_ILP32) {
+				if (copyin((caddr_t)tls, &info, sizeof (info)))
+					return (set_errno(EFAULT));
+
+				if (LDT_INFO_EMPTY(&info))
+					return (set_errno(EINVAL));
+
+				entry = info.entry_number;
+				if (entry < GDT_TLSMIN || entry > GDT_TLSMAX)
+					return (set_errno(EINVAL));
+
+				tls_index = entry - GDT_TLSMIN;
+
+				/*
+				 * Convert the user-space structure into a real
+				 * x86 descriptor and copy it into this LWP's
+				 * TLS array.  We also load it into the GDT.
+				 */
+				LDT_INFO_TO_DESC(&info, &descr);
+				bcopy(&descr, &lwpd->br_tls[tls_index],
+				    sizeof (descr));
+				lx_set_gdt(entry, &lwpd->br_tls[tls_index]);
+			} else {
+				/*
+				 * Set the Linux %fsbase for this LWP.  We will
+				 * restore it the next time we return to Linux
+				 * via setcontext()/lx_restorecontext().
+				 */
+				lwpd->br_lx_fsbase = (uintptr_t)tls;
+			}
+		}
+
+		lwpd->br_clear_ctidp =
+		    (flags & LX_CLONE_CHILD_CLEARTID) ?  ctidp : NULL;
+
+		if (signo && ! (flags & LX_CLONE_DETACH))
+			lwpd->br_signal = signo;
+		else
+			lwpd->br_signal = 0;
+
+		if (flags & LX_CLONE_THREAD)
+			lwpd->br_tgid = curthread->t_procp->p_pid;
+
+		if (flags & LX_CLONE_PARENT)
+			lwpd->br_ppid = 0;
+
+		if ((flags & LX_CLONE_CHILD_SETTID) && (ctidp != NULL) &&
+		    (suword32(ctidp, lwpd->br_pid) != 0)) {
+			if (entry >= 0)
+				lx_clear_gdt(entry);
+			return (set_errno(EFAULT));
+		}
+		if ((flags & LX_CLONE_PARENT_SETTID) && (ptidp != NULL) &&
+		    (suword32(ptidp, lwpd->br_pid) != 0)) {
+			if (entry >= 0)
+				lx_clear_gdt(entry);
+			return (set_errno(EFAULT));
+		}
+	}
+
+	*rval = lwpd->br_pid;
+	return (0);
+}
+
+long
+lx_set_tid_address(int *tidp)
+{
+	struct lx_lwp_data *lwpd = ttolxlwp(curthread);
+	long rv;
+
+	lwpd->br_clear_ctidp = tidp;
+
+	if (curproc->p_pid == curproc->p_zone->zone_proc_initpid) {
+		rv = 1;
+	} else {
+		rv = lwpd->br_pid;
+	}
+
+	return (rv);
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_cpu.c b/usr/src/uts/common/brand/lx/syscall/lx_cpu.c
new file mode 100644
index 0000000000..ec8b7576d8
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_cpu.c
@@ -0,0 +1,35 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/systm.h>
+#include <sys/thread.h>
+#include <sys/cpuvar.h>
+#include <sys/cmn_err.h>
+#include <sys/lx_impl.h>
+
+/*
+ * We support neither the second argument (NUMA node), nor the third (obsolete
+ * pre-2.6.24 caching functionality which was ultimately broken).
+ */
+long
+lx_getcpu(unsigned int *cpu, uintptr_t p2, uintptr_t p3)
+{
+	unsigned int curcpu = curthread->t_cpu->cpu_id;
+
+	if (copyout(&curcpu, cpu, sizeof (curcpu)) != 0)
+		return (set_errno(EFAULT));
+
+	return (0);
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_fcntl.c b/usr/src/uts/common/brand/lx/syscall/lx_fcntl.c
new file mode 100644
index 0000000000..d3615c704f
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_fcntl.c
@@ -0,0 +1,520 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/systm.h>
+#include <sys/zone.h>
+#include <sys/types.h>
+#include <sys/filio.h>
+#include <sys/fcntl.h>
+#include <sys/stat.h>
+#include <sys/cmn_err.h>
+#include <sys/lx_impl.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_fcntl.h>
+#include <sys/lx_misc.h>
+
+extern int fcntl(int, int, intptr_t);
+extern int flock_check(vnode_t *, flock64_t *, offset_t, offset_t);
+
+#define	LTOS_FLOCK(l, s)						\
+{									\
+	s->l_type = ltos_type(l->l_type);				\
+	s->l_whence = l->l_whence;					\
+	s->l_start = l->l_start;					\
+	s->l_len = l->l_len;						\
+	s->l_sysid = 0;			/* not defined in linux */	\
+	s->l_pid = (pid_t)l->l_pid;					\
+}
+
+#define	STOL_FLOCK(s, l)						\
+{									\
+	l->l_type = stol_type(s->l_type);				\
+	l->l_whence = s->l_whence;					\
+	l->l_start = s->l_start;					\
+	l->l_len = s->l_len;						\
+	l->l_pid = (int)s->l_pid;					\
+}
+
+static short
+ltos_type(short l_type)
+{
+	switch (l_type) {
+	case LX_F_RDLCK:
+		return (F_RDLCK);
+	case LX_F_WRLCK:
+		return (F_WRLCK);
+	case LX_F_UNLCK:
+		return (F_UNLCK);
+	default:
+		return (-1);
+	}
+}
+
+static short
+stol_type(short l_type)
+{
+	switch (l_type) {
+	case F_RDLCK:
+		return (LX_F_RDLCK);
+	case F_WRLCK:
+		return (LX_F_WRLCK);
+	case F_UNLCK:
+		return (LX_F_UNLCK);
+	default:
+		/* can't ever happen */
+		return (0);
+	}
+}
+
+static void
+ltos_flock(struct lx_flock *l, struct flock64 *s)
+{
+	LTOS_FLOCK(l, s)
+}
+
+static void
+stol_flock(struct flock64 *s, struct lx_flock *l)
+{
+	STOL_FLOCK(s, l)
+}
+
+static void
+ltos_flock64(struct lx_flock64_32 *l, struct flock64 *s)
+{
+	LTOS_FLOCK(l, s)
+}
+
+static void
+stol_flock64(struct flock64 *s, struct lx_flock64_32 *l)
+{
+	STOL_FLOCK(s, l)
+}
+
+static int
+lx_fcntl_getfl(int fd)
+{
+	int retval;
+	int rc;
+
+	retval = fcntl(fd, F_GETFL, 0);
+	if (ttolwp(curthread)->lwp_errno != 0)
+		return (ttolwp(curthread)->lwp_errno);
+
+	if ((retval & O_ACCMODE) == O_RDONLY)
+		rc = LX_O_RDONLY;
+	else if ((retval & O_ACCMODE) == O_WRONLY)
+		rc = LX_O_WRONLY;
+	else
+		rc = LX_O_RDWR;
+	/* O_NDELAY != O_NONBLOCK, so we need to check for both */
+	if (retval & O_NDELAY)
+		rc |= LX_O_NDELAY;
+	if (retval & O_NONBLOCK)
+		rc |= LX_O_NONBLOCK;
+	if (retval & O_APPEND)
+		rc |= LX_O_APPEND;
+	if (retval & O_SYNC)
+		rc |= LX_O_SYNC;
+	if (retval & O_LARGEFILE)
+		rc |= LX_O_LARGEFILE;
+	if (retval & FASYNC)
+		rc |= LX_O_ASYNC;
+
+	return (rc);
+}
+
+static int
+lx_fcntl_setfl(int fd, ulong_t arg)
+{
+	int new_arg;
+
+	new_arg = 0;
+	/* LX_O_NDELAY == LX_O_NONBLOCK, so we only check for one */
+	if (arg & LX_O_NDELAY)
+		new_arg |= O_NONBLOCK;
+	if (arg & LX_O_APPEND)
+		new_arg |= O_APPEND;
+	if (arg & LX_O_SYNC)
+		new_arg |= O_SYNC;
+	if (arg & LX_O_LARGEFILE)
+		new_arg |= O_LARGEFILE;
+	if (arg & LX_O_ASYNC)
+		new_arg |= FASYNC;
+
+	return (fcntl(fd, F_SETFL, new_arg));
+}
+
+static int
+lx_fcntl_common(int fd, int cmd, ulong_t arg)
+{
+	int		rc = 0;
+	pid_t		pid;
+	int		error;
+	int		rv;
+	int32_t		flag;
+	file_t		*fp;
+
+	/*
+	 * We depend on the call to fcntl to set the errno if necessary.
+	 */
+	ttolwp(curthread)->lwp_errno = 0;
+
+	switch (cmd) {
+	case LX_F_SETSIG:
+	case LX_F_GETSIG:
+	case LX_F_SETLEASE:
+	case LX_F_GETLEASE:
+	case LX_F_NOTIFY:
+	case LX_F_CANCELLK:
+	case LX_F_SETPIPE_SZ:
+	case LX_F_GETPIPE_SZ:
+		{
+			char buf[80];
+
+			(void) snprintf(buf, sizeof (buf),
+			    "unsupported fcntl command: %d", cmd);
+			lx_unsupported(buf);
+		}
+		return (set_errno(ENOTSUP));
+
+	case LX_F_DUPFD:
+		rc = fcntl(fd, F_DUPFD, arg);
+		break;
+
+	case LX_F_DUPFD_CLOEXEC:
+		rc = fcntl(fd, F_DUPFD_CLOEXEC, arg);
+		break;
+
+	case LX_F_GETFD:
+		rc = fcntl(fd, F_GETFD, 0);
+		break;
+
+	case LX_F_SETFD:
+		rc = fcntl(fd, F_SETFD, arg);
+		break;
+
+	case LX_F_GETFL:
+		rc = lx_fcntl_getfl(fd);
+		break;
+
+	case LX_F_SETFL:
+		rc = lx_fcntl_setfl(fd, arg);
+		break;
+
+	case LX_F_SETOWN:
+		pid = (pid_t)arg;
+		if (pid == 1) {
+			/* Setown for the init process uses the real pid. */
+			pid = curzone->zone_proc_initpid;
+		}
+
+		if ((fp = getf(fd)) == NULL)
+			return (set_errno(EBADF));
+
+		rv = 0;
+
+		flag = fp->f_flag | get_udatamodel() | FKIOCTL;
+		error = VOP_IOCTL(fp->f_vnode, FIOSETOWN, (intptr_t)&pid,
+		    flag, CRED(), &rv, NULL);
+		releasef(fd);
+		if (error != 0)
+			return (set_errno(error));
+
+		rc = 0;
+		break;
+
+	case LX_F_GETOWN:
+		if ((fp = getf(fd)) == NULL)
+			return (set_errno(EBADF));
+
+		rv = 0;
+
+		flag = fp->f_flag | get_udatamodel() | FKIOCTL;
+		error = VOP_IOCTL(fp->f_vnode, FIOGETOWN, (intptr_t)&pid,
+		    flag, CRED(), &rv, NULL);
+		releasef(fd);
+		if (error != 0)
+			return (set_errno(error));
+
+		if (pid == curzone->zone_proc_initpid) {
+			/* Getown for the init process returns 1. */
+			pid = 1;
+		}
+
+		rc = pid;
+		break;
+
+	default:
+		return (set_errno(EINVAL));
+	}
+
+	return (rc);
+}
+
+static int
+lx_fcntl_lock_cmd_to_s(int lx_cmd)
+{
+	switch (lx_cmd) {
+	case LX_F_GETLK:
+		return (F_GETLK);
+	case LX_F_SETLK:
+		return (F_SETLK);
+	case LX_F_SETLKW:
+		return (F_SETLKW);
+	case LX_F_GETLK64:
+		return (F_GETLK64);
+	case LX_F_SETLK64:
+		return (F_SETLK64);
+	case LX_F_SETLKW64:
+		return (F_SETLKW64);
+	default:
+		VERIFY(0);
+		/*NOTREACHED*/
+		return (0);
+	}
+}
+
+/*
+ * This is a pain but we can't re-use the fcntl code for locking since it does
+ * its own copyin/copyout for the flock struct. Since we have to convert the
+ * struct we have to do our own copyin/out. Thus we replicate the fcntl code for
+ * these 3 cmds. Luckily it's not much.
+ */
+static int
+lx_fcntl_lock(int fd, int lx_cmd, void *arg)
+{
+	int cmd;
+	int error = 0;
+	file_t *fp;
+	vnode_t *vp;
+	int flag;
+	offset_t maxoffset;
+	u_offset_t offset;
+	model_t datamodel;
+	lx_flock_t lxflk;
+	lx_flock64_32_t lxflk64;
+	struct flock64 bf;
+
+	if ((fp = getf(fd)) == NULL)
+		return (set_errno(EBADF));
+
+	maxoffset = MAXOFF_T;
+	datamodel = DATAMODEL_NATIVE;
+#if defined(_SYSCALL32_IMPL)
+	if ((datamodel = get_udatamodel()) == DATAMODEL_ILP32)
+		maxoffset = MAXOFF32_T;
+#endif
+	vp = fp->f_vnode;
+	flag = fp->f_flag;
+	offset = fp->f_offset;
+
+	cmd = lx_fcntl_lock_cmd_to_s(lx_cmd);
+
+	switch (cmd) {
+	case F_GETLK:
+	case F_SETLK:
+	case F_SETLKW:
+		if (datamodel == DATAMODEL_NATIVE) {
+			if (copyin(arg, &lxflk, sizeof (lx_flock_t)) != 0) {
+				error = EFAULT;
+				break;
+			}
+		}
+#if defined(_SYSCALL32_IMPL)
+		else {
+			lx_flock32_t lxflk32;
+
+			if (copyin(arg, &lxflk32, sizeof (lxflk32)) != 0) {
+				error = EFAULT;
+				break;
+			}
+
+			lxflk.l_type = lxflk32.l_type;
+			lxflk.l_whence = lxflk32.l_whence;
+			lxflk.l_start = (off64_t)lxflk32.l_start;
+			lxflk.l_len = (off64_t)lxflk32.l_len;
+			lxflk.l_pid = lxflk32.l_pid;
+		}
+#endif /* _SYSCALL32_IMPL */
+
+		ltos_flock(&lxflk, &bf);
+
+		if ((error = flock_check(vp, &bf, offset, maxoffset)) != 0)
+			break;
+
+		if ((error = VOP_FRLOCK(vp, cmd, &bf, flag, offset, NULL,
+		    fp->f_cred, NULL)) != 0)
+			break;
+
+		if (cmd != F_GETLK)
+			break;
+
+		/*
+		 * The command is GETLK, return result.
+		 */
+		stol_flock(&bf, &lxflk);
+
+		/*
+		 * If no lock is found, only the type field is changed.
+		 */
+		if (lxflk.l_type == LX_F_UNLCK) {
+			/* l_type always first entry, always a short */
+			if (copyout(&lxflk.l_type, &((lx_flock_t *)arg)->l_type,
+			    sizeof (lxflk.l_type)))
+				error = EFAULT;
+			break;
+		}
+
+		if (bf.l_start > maxoffset || bf.l_len > maxoffset) {
+			error = EOVERFLOW;
+			break;
+		}
+
+		if (datamodel == DATAMODEL_NATIVE) {
+			if (copyout(&lxflk, arg, sizeof (lxflk)) != 0) {
+				error = EFAULT;
+				break;
+			}
+		}
+#if defined(_SYSCALL32_IMPL)
+		else {
+			lx_flock32_t lxflk32;
+
+			if (bf.l_start > MAXOFF32_T || bf.l_len > MAXOFF32_T) {
+				error = EOVERFLOW;
+				break;
+			}
+
+			lxflk32.l_type = lxflk.l_type;
+			lxflk32.l_whence = lxflk.l_whence;
+			lxflk32.l_start = lxflk.l_start;
+			lxflk32.l_len = lxflk.l_len;
+			lxflk32.l_pid = lxflk.l_pid;
+
+			if (copyout(&lxflk32, arg, sizeof (lxflk32)) != 0) {
+				error = EFAULT;
+				break;
+			}
+		}
+#endif /* _SYSCALL32_IMPL */
+		break;
+
+	case F_GETLK64:
+	case F_SETLK64:
+	case F_SETLKW64:
+		/*
+		 * Large File support is only used for ILP32 apps.
+		 */
+		if (datamodel != DATAMODEL_ILP32) {
+			error = EINVAL;
+			break;
+		}
+
+		if (cmd == F_GETLK64)
+			cmd = F_GETLK;
+		else if (cmd == F_SETLK64)
+			cmd = F_SETLK;
+		else if (cmd == F_SETLKW64)
+			cmd = F_SETLKW;
+
+		if (copyin(arg, &lxflk64, sizeof (lxflk64)) != 0) {
+			error = EFAULT;
+			break;
+		}
+
+		ltos_flock64(&lxflk64, &bf);
+
+		if ((error = flock_check(vp, &bf, offset, MAXOFFSET_T)) != 0)
+			break;
+
+		if ((error = VOP_FRLOCK(vp, cmd, &bf, flag, offset, NULL,
+		    fp->f_cred, NULL)) != 0)
+			break;
+
+		if (cmd != F_GETLK)
+			break;
+
+		/*
+		 * The command is GETLK, return result.
+		 */
+		stol_flock64(&bf, &lxflk64);
+
+		/*
+		 * If no lock is found, only the type field is changed.
+		 */
+		if (lxflk64.l_type == LX_F_UNLCK) {
+			/* l_type always first entry, always a short */
+			if (copyout(&lxflk64.l_type,
+			    &((lx_flock64_t *)arg)->l_type,
+			    sizeof (lxflk64.l_type)))
+				error = EFAULT;
+			break;
+		}
+
+		if (bf.l_start > maxoffset || bf.l_len > maxoffset) {
+			error = EOVERFLOW;
+			break;
+		}
+
+		if (copyout(&lxflk64, arg, sizeof (lxflk64)) != 0) {
+			error = EFAULT;
+			break;
+		}
+		break;
+	}
+
+	releasef(fd);
+	if (error)
+		return (set_errno(error));
+
+	return (0);
+}
+
+long
+lx_fcntl(int fd, int cmd, intptr_t arg)
+{
+	switch (cmd) {
+	case LX_F_GETLK64:
+	case LX_F_SETLK64:
+	case LX_F_SETLKW64:
+		/* The 64-bit fcntl commands must go through fcntl64(). */
+		return (set_errno(EINVAL));
+
+	case LX_F_GETLK:
+	case LX_F_SETLK:
+	case LX_F_SETLKW:
+		return (lx_fcntl_lock(fd, cmd, (void *)arg));
+
+	default:
+		return (lx_fcntl_common(fd, cmd, arg));
+	}
+}
+
+long
+lx_fcntl64(int fd, int cmd, intptr_t arg)
+{
+	switch (cmd) {
+	case LX_F_GETLK:
+	case LX_F_SETLK:
+	case LX_F_SETLKW:
+	case LX_F_GETLK64:
+	case LX_F_SETLKW64:
+	case LX_F_SETLK64:
+		return (lx_fcntl_lock(fd, cmd, (void *)arg));
+
+	default:
+		return (lx_fcntl_common(fd, cmd, (ulong_t)arg));
+	}
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_futex.c b/usr/src/uts/common/brand/lx/syscall/lx_futex.c
new file mode 100644
index 0000000000..f6a8f33f46
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_futex.c
@@ -0,0 +1,1077 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/debug.h>
+#include <vm/as.h>
+#include <vm/seg.h>
+#include <vm/seg_vn.h>
+#include <vm/page.h>
+#include <sys/priv.h>
+#include <sys/mman.h>
+#include <sys/timer.h>
+#include <sys/condvar.h>
+#include <sys/inttypes.h>
+#include <sys/cmn_err.h>
+#include <sys/brand.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_futex.h>
+#include <sys/lx_impl.h>
+
+/*
+ * Futexes are a Linux-specific implementation of inter-process mutexes.
+ * They are designed to use shared memory for simple, uncontested
+ * operations, and rely on the kernel to resolve any contention issues.
+ *
+ * Most of the information in this section comes from the paper "Futexes
+ * Are Tricky", by Ulrich Drepper.  This paper is currently available at:
+ * http://people.redhat.com/~drepper/futex.pdf.
+ *
+ * A futex itself a 4-byte integer, which must be 4-byte aligned.  The
+ * value of this integer is expected to be modified using user-level atomic
+ * operations.  The futex(4) design itself does not impose any semantic
+ * constraints on the value stored in the futex; it is up to the
+ * application to define its own protocol.
+ *
+ * When the application decides that kernel intervention is required, it
+ * will use the futex(2) system call.  There are 5 different operations
+ * that can be performed on a futex, using this system call.  Since this
+ * interface has evolved over time, there are several different prototypes
+ * available to the user.  Fortunately, there is only a single kernel-level
+ * interface:
+ *
+ * long sys_futex(void *futex1, int cmd, int val1,
+ * 	struct timespec	*timeout, void *futex2, int val2)
+ *
+ * The kernel-level operations that may be performed on a futex are:
+ *
+ * FUTEX_WAIT
+ *
+ *	Atomically verify that futex1 contains the value val1.  If it
+ *	doesn't, return EWOULDBLOCK.  If it does contain the expected
+ *	value, the thread will sleep until somebody performs a FUTEX_WAKE
+ *	on the futex.  The caller may also specify a timeout, indicating
+ *	the maximum time the thread should sleep.  If the timer expires,
+ *	the call returns ETIMEDOUT.  If the thread is awoken with a signal,
+ *	the call returns EINTR.  Otherwise, the call returns 0.
+ *
+ * FUTEX_WAKE
+ *
+ *	Wake up val1 processes that are waiting on futex1.  The call
+ *	returns the number of blocked threads that were woken up.
+ *
+ * FUTEX_WAIT_BITSET/FUTEX_WAKE_BITSET
+ *
+ *	Similar to FUTEX_WAIT/FUTEX_WAKE, but each takes an additional argument
+ *	denoting a bit vector, with wakers will only waking waiters that match
+ *	in one or more bits.  These semantics are dubious enough, but the
+ *	interface has an inconsistency that is glaring even by the
+ *	embarrassingly low standards that Linux sets for itself:  the timeout
+ *	argument to FUTEX_WAIT_BITSET is absolute, not relative as it is for
+ *	FUTEX_WAIT.  And as if that weren't enough unnecessary complexity,
+ *	the caller may specify this absolute timeout to be against either
+ *	CLOCK_MONOTONIC or CLOCK_REALTIME -- but only for FUTEX_WAIT_BITSET,
+ *	of course!
+ *
+ * FUTEX_WAKE_OP
+ *
+ *	The implementation of a conditional variable in terms of futexes
+ *	actually uses two futexes:  one to assure sequential access and one to
+ *	represent the condition variable.  This implementation gives rise to a
+ *	particular performance problem whereby a thread is awoken on the futex
+ *	that represents the condition variable only to have to (potentially)
+ *	immediately wait on the futex that protects the condition variable.
+ *	(Do not confuse the futex that serves to protect the condition variable
+ *	with the pthread_mutex_t associated with pthread_cond_t -- which
+ *	represents a third futex.)  To (over)solve this problem, FUTEX_WAKE_OP
+ *	was invented, which performs an atomic compare-and-exchange on a
+ *	second address in a specified fashion (that is, with a specified
+ *	operation).  Here are the possible operations (OPARG is defined
+ *	to be 12 bit value embedded in the operation):
+ *
+ *	- FUTEX_OP_SET: Sets the value at the second address to OPARG
+ *	- FUTEX_OP_ADD: Adds the value to OPARG
+ *	- FUTEX_OP_OR: OR's the value with OPARG
+ *	- FUTEX_OP_ANDN: Performs a negated AND of the value with OPARG
+ *	- FUTEX_OP_XOR: XOR's the value with OPARG
+ *
+ *	After this compare-and-exchange on the second address, a FUTEX_WAKE is
+ *	performed on the first address and -- if the compare-and-exchange
+ *	matches a specified result based on a specified comparison operation --
+ *	a FUTEX_WAKE is performed on the second address.  Here are the possible
+ *	comparison operations:
+ *
+ *	- FUTEX_OP_CMP_EQ: If old value is CMPARG, wake
+ *	- FUTEX_OP_CMP_NE: If old value is not equal to CMPARG, wake
+ *	- FUTEX_OP_CMP_LT: If old value is less than CMPARG, wake
+ *	- FUTEX_OP_CMP_LE: If old value is less than or equal to CMPARG, wake
+ *	- FUTEX_OP_CMP_GT: If old value is greater than CMPARG, wake
+ *	- FUTEX_OP_CMP_GE: If old value is greater than or equal to CMPARG, wake
+ *
+ *	As a practical matter, the only way that this is used (or, some might
+ *	argue, is usable) is by the implementation of pthread_cond_signal(),
+ *	which uses FUTEX_WAKE_OP to -- in a single system call -- unlock the
+ *	futex that protects the condition variable and wake the futex that
+ *	represents the condition variable.  The second wake-up is conditional
+ *	because the futex that protects the condition variable (rather than the
+ *	one that represents it) may or may not have waiters.  Given that this
+ *	is the use case, FUTEX_WAKE_OP is falsely generic: despite allowing for
+ *	five different kinds of operations and six different kinds of
+ *	comparision operations, in practice only one is used.  (Namely, setting
+ *	to 0 and waking if the old value is greater than 1 -- which denotes
+ *	that waiters are present and the wakeup should be performed.) Moreover,
+ *	because FUTEX_WAKE_OP does not (and cannot) optimize anything in the
+ *	case that the pthread_mutex_t associated with the pthread_cond_t is
+ *	held at the time of a pthread_cond_signal(), this entire mechanism is
+ *	essentially for naught in this case.  As one can imagine (and can
+ *	verify on just about any source base that uses pthread_cond_signal()),
+ *	it is overwhelmingly the common case that the lock associated with the
+ *	pthread_cond_t is held at the time of pthread_cond_signal(), assuring
+ *	that the problem that all of this complexity was designed to solve
+ *	isn't, in fact, solved because the signalled thread simply wakes up
+ *	only to block again on the held mutex.  Cue a slow clap!
+ *
+ * FUTEX_CMP_REQUEUE
+ *
+ *	If the value stored in futex1 matches that passed in in val2, wake
+ *	up val1 processes that are waiting on futex1.  Otherwise, return
+ *	EAGAIN.
+ *
+ *	If there are more than val1 threads waiting on the futex, remove
+ *	the remaining threads from this futex, and requeue them on futex2.
+ *	The caller can limit the number of threads being requeued by
+ *	encoding an integral numerical value in the position usually used
+ *	for the timeout pointer.
+ *
+ *	The call returns the number of blocked threads that were woken up
+ *	or requeued.
+ *
+ * FUTEX_REQUEUE
+ *
+ *	 Identical to FUTEX_CMP_REQUEUE except that it does not use val2.
+ *	 This command has been declared broken and obsolete, but we still
+ *	 need to support it.
+ *
+ * FUTEX_FD
+ *
+ *	Return a file descriptor, which can be used to refer to the futex.
+ *	This operation was broken by design, and was blessedly removed in
+ *	Linux 2.6.26 ("because it was inherently racy"); it should go without
+ *	saying that we don't support this operation.
+ */
+
+/*
+ * This structure is used to track all the threads currently waiting on a
+ * futex.  There is one fwaiter_t for each blocked thread.  We store all
+ * fwaiter_t's in a hash structure, indexed by the memid_t of the integer
+ * containing the futex's value.
+ *
+ * At the moment, all fwaiter_t's for a single futex are simply dumped into
+ * the hash bucket.  If futex contention ever becomes a hot path, we can
+ * chain a single futex's waiters together.
+ */
+typedef struct fwaiter {
+	memid_t		fw_memid;	/* memid of the user-space futex */
+	kcondvar_t	fw_cv;		/* cond var */
+	struct fwaiter	*fw_next;	/* hash queue */
+	struct fwaiter	*fw_prev;	/* hash queue */
+	uint32_t	fw_bits;	/* bits waiting on */
+	volatile int	fw_woken;
+} fwaiter_t;
+
+/*
+ * The structure of the robust_list, as set with the set_robust_list() system
+ * call.  See lx_futex_robust_exit(), below, for details.
+ */
+typedef struct futex_robust_list {
+	uintptr_t	frl_head;	/* list of robust locks held */
+	uint64_t	frl_offset;	/* offset of lock word within a lock */
+	uintptr_t	frl_pending;	/* pending operation */
+} futex_robust_list_t;
+
+#if defined(_SYSCALL32_IMPL)
+
+#pragma pack(4)
+typedef struct futex_robust_list32 {
+	uint32_t	frl_head;	/* list of robust locks held */
+	uint32_t	frl_offset;	/* offset of lock word within a lock */
+	uint32_t	frl_pending;	/* pending operation */
+} futex_robust_list32_t;
+#pragma pack()
+
+#endif
+
+#define	MEMID_COPY(s, d) \
+	{ (d)->val[0] = (s)->val[0]; (d)->val[1] = (s)->val[1]; }
+#define	MEMID_EQUAL(s, d) \
+	((d)->val[0] == (s)->val[0] && (d)->val[1] == (s)->val[1])
+
+/* Borrowed from the page freelist hash code.  */
+#define	HASH_SHIFT_SZ	7
+#define	HASH_SIZE	(1 << HASH_SHIFT_SZ)
+#define	HASH_FUNC(id)						\
+	((((uintptr_t)((id)->val[1]) >> PAGESHIFT) +			\
+	((uintptr_t)((id)->val[1]) >> (PAGESHIFT + HASH_SHIFT_SZ)) +	\
+	((uintptr_t)((id)->val[0]) >> 3) +				\
+	((uintptr_t)((id)->val[0]) >> (3 + HASH_SHIFT_SZ)) +		\
+	((uintptr_t)((id)->val[0]) >> (3 + 2 * HASH_SHIFT_SZ))) &	\
+	(HASH_SIZE - 1))
+
+static fwaiter_t *futex_hash[HASH_SIZE];
+static kmutex_t futex_hash_lock[HASH_SIZE];
+
+static void
+futex_hashin(fwaiter_t *fwp)
+{
+	int index;
+
+	index = HASH_FUNC(&fwp->fw_memid);
+	ASSERT(MUTEX_HELD(&futex_hash_lock[index]));
+
+	fwp->fw_prev = NULL;
+	fwp->fw_next = futex_hash[index];
+	if (fwp->fw_next)
+		fwp->fw_next->fw_prev = fwp;
+	futex_hash[index] = fwp;
+}
+
+static void
+futex_hashout(fwaiter_t *fwp)
+{
+	int index;
+
+	index = HASH_FUNC(&fwp->fw_memid);
+	ASSERT(MUTEX_HELD(&futex_hash_lock[index]));
+
+	if (fwp->fw_prev)
+		fwp->fw_prev->fw_next = fwp->fw_next;
+	if (fwp->fw_next)
+		fwp->fw_next->fw_prev = fwp->fw_prev;
+	if (futex_hash[index] == fwp)
+		futex_hash[index] = fwp->fw_next;
+
+	fwp->fw_prev = NULL;
+	fwp->fw_next = NULL;
+}
+
+/*
+ * Go to sleep until somebody does a WAKE operation on this futex, we get a
+ * signal, or the timeout expires.
+ */
+static int
+futex_wait(memid_t *memid, caddr_t addr,
+    int val, timespec_t *timeout, uint32_t bits)
+{
+	int err, ret;
+	int32_t curval;
+	fwaiter_t fw;
+	int index;
+
+	fw.fw_woken = 0;
+	fw.fw_bits = bits;
+
+	MEMID_COPY(memid, &fw.fw_memid);
+	cv_init(&fw.fw_cv, NULL, CV_DEFAULT, NULL);
+
+	index = HASH_FUNC(&fw.fw_memid);
+	mutex_enter(&futex_hash_lock[index]);
+
+	if (fuword32(addr, (uint32_t *)&curval)) {
+		err = set_errno(EFAULT);
+		goto out;
+	}
+	if (curval != val) {
+		err = set_errno(EWOULDBLOCK);
+		goto out;
+	}
+
+	futex_hashin(&fw);
+
+	err = 0;
+	while ((fw.fw_woken == 0) && (err == 0)) {
+		ret = cv_waituntil_sig(&fw.fw_cv, &futex_hash_lock[index],
+		    timeout, timechanged);
+		if (ret < 0) {
+			err = set_errno(ETIMEDOUT);
+		} else if (ret == 0) {
+			/*
+			 * According to signal(7), a futex(2) call with the
+			 * FUTEX_WAIT operation is restartable.
+			 */
+			ttolxlwp(curthread)->br_syscall_restart = B_TRUE;
+			err = set_errno(EINTR);
+		}
+	}
+
+	/*
+	 * The futex is normally hashed out in wakeup.  If we timed out or
+	 * got a signal, we need to hash it out here instead.
+	 */
+	if (fw.fw_woken == 0)
+		futex_hashout(&fw);
+
+out:
+	mutex_exit(&futex_hash_lock[index]);
+
+	return (err);
+}
+
+/*
+ * Wake up to wake_threads threads that are blocked on the futex at memid.
+ */
+static int
+futex_wake(memid_t *memid, int wake_threads, uint32_t mask)
+{
+	fwaiter_t *fwp, *next;
+	int index;
+	int ret = 0;
+
+	index = HASH_FUNC(memid);
+
+	mutex_enter(&futex_hash_lock[index]);
+
+	for (fwp = futex_hash[index]; fwp && ret < wake_threads; fwp = next) {
+		next = fwp->fw_next;
+		if (MEMID_EQUAL(&fwp->fw_memid, memid) &&
+		    (fwp->fw_bits & mask)) {
+			futex_hashout(fwp);
+			fwp->fw_woken = 1;
+			cv_signal(&fwp->fw_cv);
+			ret++;
+		}
+	}
+
+	mutex_exit(&futex_hash_lock[index]);
+
+	return (ret);
+}
+
+static int
+futex_wake_op_execute(int32_t *addr, int32_t val3)
+{
+	int32_t op = FUTEX_OP_OP(val3);
+	int32_t cmp = FUTEX_OP_CMP(val3);
+	int32_t cmparg = FUTEX_OP_CMPARG(val3);
+	int32_t oparg, oldval, newval;
+	label_t ljb;
+	int rval;
+
+	if ((uintptr_t)addr >= KERNELBASE)
+		return (set_errno(EFAULT));
+
+	if (on_fault(&ljb))
+		return (set_errno(EFAULT));
+
+	oparg = FUTEX_OP_OPARG(val3);
+
+	do {
+		oldval = *addr;
+		newval = oparg;
+
+		switch (op) {
+		case FUTEX_OP_SET:
+			break;
+
+		case FUTEX_OP_ADD:
+			newval += oparg;
+			break;
+
+		case FUTEX_OP_OR:
+			newval |= oparg;
+			break;
+
+		case FUTEX_OP_ANDN:
+			newval &= ~oparg;
+			break;
+
+		case FUTEX_OP_XOR:
+			newval ^= oparg;
+			break;
+
+		default:
+			no_fault();
+			return (set_errno(EINVAL));
+		}
+	} while (atomic_cas_32((uint32_t *)addr, oldval, newval) != oldval);
+
+	no_fault();
+
+	switch (cmp) {
+	case FUTEX_OP_CMP_EQ:
+		rval = (oldval == cmparg);
+		break;
+
+	case FUTEX_OP_CMP_NE:
+		rval = (oldval != cmparg);
+		break;
+
+	case FUTEX_OP_CMP_LT:
+		rval = (oldval < cmparg);
+		break;
+
+	case FUTEX_OP_CMP_LE:
+		rval = (oldval <= cmparg);
+		break;
+
+	case FUTEX_OP_CMP_GT:
+		rval = (oldval > cmparg);
+		break;
+
+	case FUTEX_OP_CMP_GE:
+		rval = (oldval >= cmparg);
+		break;
+
+	default:
+		return (set_errno(EINVAL));
+	}
+
+	return (rval);
+}
+
+static int
+futex_wake_op(memid_t *memid, caddr_t addr2, memid_t *memid2,
+    int wake_threads, int wake_threads2, int val3)
+{
+	kmutex_t *l1, *l2;
+	int ret = 0, ret2 = 0, wake;
+	fwaiter_t *fwp, *next;
+	int index1, index2;
+
+	index1 = HASH_FUNC(memid);
+	index2 = HASH_FUNC(memid2);
+
+	if (index1 == index2) {
+		l1 = &futex_hash_lock[index1];
+		l2 = NULL;
+	} else if (index1 < index2) {
+		l1 = &futex_hash_lock[index1];
+		l2 = &futex_hash_lock[index2];
+	} else {
+		l1 = &futex_hash_lock[index2];
+		l2 = &futex_hash_lock[index1];
+	}
+
+	mutex_enter(l1);
+	if (l2 != NULL)
+		mutex_enter(l2);
+
+	/* LINTED: alignment */
+	if ((wake = futex_wake_op_execute((int32_t *)addr2, val3)) < 0)
+		goto out;
+
+	for (fwp = futex_hash[index1]; fwp; fwp = next) {
+		next = fwp->fw_next;
+		if (!MEMID_EQUAL(&fwp->fw_memid, memid))
+			continue;
+
+		futex_hashout(fwp);
+		fwp->fw_woken = 1;
+		cv_signal(&fwp->fw_cv);
+		if (++ret >= wake_threads) {
+			break;
+		}
+	}
+
+	if (!wake)
+		goto out;
+
+	for (fwp = futex_hash[index2]; fwp; fwp = next) {
+		next = fwp->fw_next;
+		if (!MEMID_EQUAL(&fwp->fw_memid, memid2))
+			continue;
+
+		futex_hashout(fwp);
+		fwp->fw_woken = 1;
+		cv_signal(&fwp->fw_cv);
+		if (++ret2 >= wake_threads2) {
+			break;
+		}
+	}
+
+	ret += ret2;
+out:
+	if (l2 != NULL)
+		mutex_exit(l2);
+	mutex_exit(l1);
+
+	return (ret);
+}
+
+/*
+ * Wake up to wake_threads waiting on the futex at memid.  If there are
+ * more than that many threads waiting, requeue the remaining threads on
+ * the futex at requeue_memid.
+ */
+static int
+futex_requeue(memid_t *memid, memid_t *requeue_memid, int wake_threads,
+	ulong_t requeue_threads, caddr_t addr, int *cmpval)
+{
+	fwaiter_t *fwp, *next;
+	int index1, index2;
+	int ret = 0;
+	int32_t curval;
+	kmutex_t *l1, *l2;
+
+	/*
+	 * To ensure that we don't miss a wakeup if the value of cmpval
+	 * changes, we need to grab locks on both the original and new hash
+	 * buckets.  To avoid deadlock, we always grab the lower-indexed
+	 * lock first.
+	 */
+	index1 = HASH_FUNC(memid);
+	index2 = HASH_FUNC(requeue_memid);
+
+	if (index1 == index2) {
+		l1 = &futex_hash_lock[index1];
+		l2 = NULL;
+	} else if (index1 < index2) {
+		l1 = &futex_hash_lock[index1];
+		l2 = &futex_hash_lock[index2];
+	} else {
+		l1 = &futex_hash_lock[index2];
+		l2 = &futex_hash_lock[index1];
+	}
+
+	mutex_enter(l1);
+	if (l2 != NULL)
+		mutex_enter(l2);
+
+	if (cmpval != NULL) {
+		if (fuword32(addr, (uint32_t *)&curval)) {
+			ret = -EFAULT;
+			goto out;
+		}
+		if (curval != *cmpval) {
+			ret = -EAGAIN;
+			goto out;
+		}
+	}
+
+	for (fwp = futex_hash[index1]; fwp; fwp = next) {
+		next = fwp->fw_next;
+		if (!MEMID_EQUAL(&fwp->fw_memid, memid))
+			continue;
+
+		futex_hashout(fwp);
+		if (ret++ < wake_threads) {
+			fwp->fw_woken = 1;
+			cv_signal(&fwp->fw_cv);
+		} else {
+			MEMID_COPY(requeue_memid, &fwp->fw_memid);
+			futex_hashin(fwp);
+
+			if ((ret - wake_threads) >= requeue_threads)
+				break;
+		}
+	}
+
+out:
+	if (l2 != NULL)
+		mutex_exit(l2);
+	mutex_exit(l1);
+
+	if (ret < 0)
+		return (set_errno(-ret));
+	return (ret);
+}
+
+/*
+ * Copy in the relative timeout provided by the application and convert it
+ * to an absolute timeout.  Sadly, this is complicated by the different
+ * timeout of semantics of FUTEX_WAIT vs. FUTEX_WAIT_BITSET.  (Yes, you read
+ * that correctly; FUTEX_WAIT and FUTEX_WAIT_BITSET have different timeout
+ * semantics; see the block comment at the top of the file for commentary
+ * on this inanity.)
+ */
+static int
+get_timeout(void *lx_timeout, timestruc_t *timeout, int cmd, int clock)
+{
+	timestruc_t now;
+
+	if (get_udatamodel() == DATAMODEL_NATIVE) {
+		if (copyin(lx_timeout, timeout, sizeof (timestruc_t)))
+			return (EFAULT);
+	}
+#ifdef _SYSCALL32_IMPL
+	else {
+		timestruc32_t timeout32;
+		if (copyin(lx_timeout, &timeout32, sizeof (timestruc32_t)))
+			return (EFAULT);
+		timeout->tv_sec = (time_t)timeout32.tv_sec;
+		timeout->tv_nsec = timeout32.tv_nsec;
+	}
+#endif
+	if (itimerspecfix(timeout))
+		return (EINVAL);
+
+	if (cmd == FUTEX_WAIT) {
+		/*
+		 * We've been given a relative time; add it to the current
+		 * time to derive an absolute time.
+		 */
+		gethrestime(&now);
+		timespecadd(timeout, &now);
+	} else {
+		/*
+		 * This is a FUTEX_WAIT_BITSET operation, which (1) specifies
+		 * the timeout as an absolute rather than a relative timeout
+		 * and (2) allows for different clock types to be specified.
+		 * If the clock is CLOCK_REALTIME, we actually have nothing
+		 * to do -- but if this is CLOCK_MONOTONIC, we need to convert
+		 * our absolute time back into a relative time and then add
+		 * it to our current hrestime to get an absolute CLOCK_REALTIME
+		 * timeout.
+		 */
+		if (clock == CLOCK_MONOTONIC) {
+			/*
+			 * Get our current time, and subtract it from our
+			 * timeout to get the relative value.
+			 */
+			hrt2ts(gethrtime(), &now);
+			timespecsub(timeout, &now);
+
+			/*
+			 * If our timeout is in the past, set it to be 0.
+			 */
+			if (timeout->tv_sec < 0) {
+				timeout->tv_sec = 0;
+				timeout->tv_nsec = 0;
+			}
+
+			/*
+			 * Add the relative time back into the current time.
+			 */
+			gethrestime(&now);
+			timespecadd(timeout, &now);
+		}
+	}
+
+	return (0);
+}
+
+long
+lx_futex(uintptr_t addr, int op, int val, uintptr_t lx_timeout,
+	uintptr_t addr2, int val3)
+{
+	struct as *as = curproc->p_as;
+	memid_t memid, memid2;
+	timestruc_t timeout;
+	timestruc_t *tptr = NULL;
+	int val2 = NULL;
+	int rval = 0;
+	int cmd = op & FUTEX_CMD_MASK;
+	int private = op & FUTEX_PRIVATE_FLAG;
+	char dmsg[32];
+
+	/* must be aligned on int boundary */
+	if (addr & 0x3)
+		return (set_errno(EINVAL));
+
+	/* Sanity check the futex command */
+	if (cmd < 0 || cmd > FUTEX_MAX_CMD)
+		return (set_errno(EINVAL));
+
+	if (cmd == FUTEX_FD) {
+		/*
+		 * FUTEX_FD was sentenced to death for grievous crimes of
+		 * semantics against humanity; it has been ripped out of Linux
+		 * and will never be supported by us.
+		 */
+		(void) snprintf(dmsg, sizeof (dmsg), "futex 0x%x", cmd);
+		lx_unsupported(dmsg);
+		return (set_errno(ENOSYS));
+	}
+
+	switch (cmd) {
+	case FUTEX_LOCK_PI:
+	case FUTEX_UNLOCK_PI:
+	case FUTEX_TRYLOCK_PI:
+	case FUTEX_WAIT_REQUEUE_PI:
+	case FUTEX_CMP_REQUEUE_PI:
+		/*
+		 * These are operations that we don't currently support, but
+		 * may well need to in the future.  For now, callers need to
+		 * deal with these being missing -- but if and as that changes,
+		 * they may well need to be implemented.
+		 */
+		(void) snprintf(dmsg, sizeof (dmsg), "futex 0x%x", cmd);
+		lx_unsupported(dmsg);
+		return (set_errno(ENOSYS));
+	}
+
+	if ((op & FUTEX_CLOCK_REALTIME) && cmd != FUTEX_WAIT_BITSET) {
+		/*
+		 * Linux only allows FUTEX_CLOCK_REALTIME to be set on the
+		 * FUTEX_WAIT_BITSET and FUTEX_WAIT_REQUEUE_PI commands.
+		 */
+		return (set_errno(ENOSYS));
+	}
+
+	/* Copy in the timeout structure from userspace. */
+	if ((cmd == FUTEX_WAIT || cmd == FUTEX_WAIT_BITSET) &&
+	    lx_timeout != NULL) {
+		rval = get_timeout((timespec_t *)lx_timeout, &timeout, cmd,
+		    op & FUTEX_CLOCK_REALTIME ? CLOCK_REALTIME :
+		    CLOCK_MONOTONIC);
+
+		if (rval != 0)
+			return (set_errno(rval));
+		tptr = &timeout;
+	}
+
+	switch (cmd) {
+	case FUTEX_REQUEUE:
+	case FUTEX_CMP_REQUEUE:
+	case FUTEX_WAKE_OP:
+		/*
+		 * lx_timeout is nominally a pointer to a userspace address.
+		 * For several commands, however, it actually contains
+		 * an additional integer parameter.  This is horrible, and
+		 * the people who did this to us should be sorry.
+		 */
+		val2 = (int)lx_timeout;
+	}
+
+	/*
+	 * Translate the process-specific, user-space futex virtual
+	 * address(es) to a universal memid.  If the private bit is set, we
+	 * can just use our as plus the virtual address, saving quite a bit
+	 * of effort.
+	 */
+	if (private) {
+		memid.val[0] = (uintptr_t)as;
+		memid.val[1] = (uintptr_t)addr;
+	} else {
+		rval = as_getmemid(as, (void *)addr, &memid);
+		if (rval != 0)
+			return (set_errno(rval));
+	}
+
+	if (cmd == FUTEX_REQUEUE || cmd == FUTEX_CMP_REQUEUE ||
+	    cmd == FUTEX_WAKE_OP) {
+		if (addr2 & 0x3)
+			return (set_errno(EINVAL));
+
+		if (private) {
+			memid2.val[0] = (uintptr_t)as;
+			memid2.val[1] = (uintptr_t)addr2;
+		} else {
+			rval = as_getmemid(as, (void *)addr2, &memid2);
+			if (rval)
+				return (set_errno(rval));
+		}
+	}
+
+	switch (cmd) {
+	case FUTEX_WAIT:
+		rval = futex_wait(&memid, (void *)addr, val,
+		    tptr, FUTEX_BITSET_MATCH_ANY);
+		break;
+
+	case FUTEX_WAIT_BITSET:
+		rval = futex_wait(&memid, (void *)addr, val, tptr, val3);
+		break;
+
+	case FUTEX_WAKE:
+		rval = futex_wake(&memid, val, FUTEX_BITSET_MATCH_ANY);
+		break;
+
+	case FUTEX_WAKE_BITSET:
+		rval = futex_wake(&memid, val, val3);
+		break;
+
+	case FUTEX_WAKE_OP:
+		rval = futex_wake_op(&memid, (void *)addr2, &memid2,
+		    val, val2, val3);
+		break;
+
+	case FUTEX_CMP_REQUEUE:
+	case FUTEX_REQUEUE:
+		rval = futex_requeue(&memid, &memid2, val,
+		    val2, (void *)addr2, &val3);
+
+		break;
+	}
+
+	return (rval);
+}
+
+/*
+ * Does the dirty work of actually dropping a held robust lock in the event
+ * of the untimely death of the owner; see lx_futex_robust_exit(), below.
+ */
+static void
+lx_futex_robust_drop(uintptr_t addr, uint32_t tid)
+{
+	memid_t memid;
+	uint32_t oldval, newval;
+
+	VERIFY(addr + sizeof (uint32_t) < KERNELBASE);
+
+	do {
+		fuword32_noerr((void *)addr, &oldval);
+
+		if ((oldval & FUTEX_TID_MASK) != tid)
+			return;
+
+		newval = (oldval & FUTEX_WAITERS) | FUTEX_OWNER_DIED;
+	} while (atomic_cas_32((uint32_t *)addr, oldval, newval) != oldval);
+
+	/*
+	 * We have now denoted that this lock's owner is dead; we need to
+	 * wake any waiters.
+	 */
+	if (as_getmemid(curproc->p_as, (void *)addr, &memid) != 0)
+		return;
+
+	(void) futex_wake(&memid, 1, FUTEX_BITSET_MATCH_ANY);
+}
+
+/*
+ * Called when a thread is exiting.  The role of the kernel is very clearly
+ * spelled out in the Linux design document entitled robust-futex-ABI.txt:
+ * we must (carefully!) iterate over the list of held locks pointed to by
+ * the robust list head; for each lock, we'll check to see if the calling
+ * (exiting) thread is the owner, and if so, denote that the lock is dead
+ * and wake any waiters.  (The "pending" field of the head points to a lock
+ * that is in transition; it should be dropped if held.)  If there are any
+ * errors through here at all (including memory operations), we abort the
+ * entire operation.
+ */
+void
+lx_futex_robust_exit(uintptr_t addr, uint32_t tid)
+{
+	futex_robust_list_t list;
+	uintptr_t entry, next;
+	model_t model = get_udatamodel();
+	int length = 0;
+	label_t ljb;
+
+	if (on_fault(&ljb))
+		return;
+
+	if (addr + sizeof (futex_robust_list_t) >= KERNELBASE)
+		goto out;
+
+	if (model == DATAMODEL_NATIVE) {
+		copyin_noerr((void *)addr, &list, sizeof (list));
+	}
+#if defined(_SYSCALL32_IMPL)
+	else {
+		futex_robust_list32_t list32;
+
+		copyin_noerr((void *)addr, &list32, sizeof (list32));
+		list.frl_head = list32.frl_head;
+		list.frl_offset = list32.frl_offset;
+		list.frl_pending = list32.frl_pending;
+	}
+#endif
+
+	/*
+	 * Strip off the PI bit, if any.
+	 */
+	entry = list.frl_head & ~FUTEX_ROBUST_LOCK_PI;
+
+	while (entry != addr && length++ < FUTEX_ROBUST_LIST_LIMIT) {
+		if (entry + list.frl_offset + sizeof (uint32_t) >= KERNELBASE)
+			goto out;
+
+		if (model == DATAMODEL_NATIVE) {
+			fulword_noerr((void *)entry, &next);
+		}
+#if defined(_SYSCALL32_IMPL)
+		else {
+			uint32_t next32;
+			fuword32_noerr((void *)entry, &next32);
+			next = next32;
+		}
+#endif
+
+		/*
+		 * Drop the robust mutex -- but only if our pending lock didn't
+		 * somehow sneak on there.
+		 */
+		if (entry != list.frl_pending)
+			lx_futex_robust_drop(entry + list.frl_offset, tid);
+
+		entry = next & ~FUTEX_LOCK_PI;
+	}
+
+	/*
+	 * Finally, drop the pending lock if there is one.
+	 */
+	if (list.frl_pending != NULL && list.frl_pending +
+	    list.frl_offset + sizeof (uint32_t) < KERNELBASE)
+		lx_futex_robust_drop(list.frl_pending + list.frl_offset, tid);
+
+out:
+	no_fault();
+}
+
+long
+lx_set_robust_list(void *listp, size_t len)
+{
+	proc_t *p = curproc;
+	klwp_t *lwp = ttolwp(curthread);
+	struct lx_lwp_data *lwpd = lwptolxlwp(lwp);
+
+	if (get_udatamodel() == DATAMODEL_NATIVE) {
+		if (len != sizeof (futex_robust_list_t))
+			return (set_errno(EINVAL));
+	}
+#if defined(_SYSCALL32_IMPL)
+	else {
+		if (len != sizeof (futex_robust_list32_t))
+			return (set_errno(EINVAL));
+	}
+#endif
+
+	/*
+	 * To assure that we are serialized with respect to any racing call
+	 * to lx_get_robust_list(), we lock ourselves to set the value.  (Note
+	 * that sprunlock() drops p_lock.)
+	 */
+	mutex_enter(&p->p_lock);
+	sprlock_proc(p);
+	lwpd->br_robust_list = listp;
+	sprunlock(p);
+
+	return (0);
+}
+
+long
+lx_get_robust_list(pid_t pid, void **listp, size_t *lenp)
+{
+	model_t model = get_udatamodel();
+	pid_t rpid;
+	id_t rtid;
+	proc_t *rproc;
+	klwp_t *rlwp;
+	lx_lwp_data_t *rlwpd;
+	kthread_t *rthr;
+	void *list;
+	int err = 0;
+
+	if (pid == 0) {
+		/*
+		 * A pid of 0 denotes the current thread; we lock the current
+		 * process even though it isn't strictly necessary (we can't
+		 * race with set_robust_list() because a thread may only set
+		 * its robust list on itself).
+		 */
+		rproc = curproc;
+		rlwpd = lwptolxlwp(ttolwp(curthread));
+		mutex_enter(&curproc->p_lock);
+		sprlock_proc(rproc);
+	} else {
+		if (lx_lpid_to_spair(pid, &rpid, &rtid) != 0 ||
+		    (rproc = sprlock(rpid)) == NULL) {
+			/*
+			 * We couldn't find the specified process.
+			 */
+			return (set_errno(ESRCH));
+		}
+
+		if (rproc->p_model != model ||
+		    (rthr = idtot(rproc, rtid)) == NULL ||
+		    (rlwp = ttolwp(rthr)) == NULL ||
+		    (rlwpd = lwptolxlwp(rlwp)) == NULL) {
+			/*
+			 * The target process does not match our data model, or
+			 * we couldn't find the LWP, or the target process is
+			 * not branded.
+			 */
+			err = ESRCH;
+			goto out;
+		}
+	}
+
+	if (curproc != rproc &&
+	    priv_proc_cred_perm(curproc->p_cred, rproc, NULL, VREAD) != 0) {
+		/*
+		 * We don't have the permission to examine the target.
+		 */
+		err = EPERM;
+		goto out;
+	}
+
+	list = rlwpd->br_robust_list;
+
+out:
+	sprunlock(rproc);
+
+	if (err != 0)
+		return (set_errno(err));
+
+	if (model == DATAMODEL_NATIVE) {
+		if (sulword(listp, (uintptr_t)list) != 0)
+			return (set_errno(EFAULT));
+
+		if (sulword(lenp, sizeof (futex_robust_list_t)) != 0)
+			return (set_errno(EFAULT));
+	}
+#if defined(_SYSCALL32_IMPL)
+	else {
+		if (suword32(listp, (uint32_t)(uintptr_t)list) != 0)
+			return (set_errno(EFAULT));
+
+		if (suword32(lenp, sizeof (futex_robust_list32_t)) != 0)
+			return (set_errno(EFAULT));
+	}
+#endif
+
+	return (0);
+}
+
+void
+lx_futex_init(void)
+{
+	int i;
+
+	for (i = 0; i < HASH_SIZE; i++)
+		mutex_init(&futex_hash_lock[i], NULL, MUTEX_DEFAULT, NULL);
+	bzero(futex_hash, sizeof (futex_hash));
+}
+
+int
+lx_futex_fini(void)
+{
+	int i, err;
+
+	err = 0;
+	for (i = 0; (err == 0) && (i < HASH_SIZE); i++) {
+		mutex_enter(&futex_hash_lock[i]);
+		if (futex_hash[i] != NULL)
+			err = EBUSY;
+		mutex_exit(&futex_hash_lock[i]);
+	}
+	return (err);
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_getpid.c b/usr/src/uts/common/brand/lx/syscall/lx_getpid.c
new file mode 100644
index 0000000000..c2506f52c5
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_getpid.c
@@ -0,0 +1,79 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/zone.h>
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/thread.h>
+#include <sys/cpuvar.h>
+#include <sys/brand.h>
+#include <sys/lx_brand.h>
+
+/*
+ * return the pid
+ */
+long
+lx_getpid(void)
+{
+	lx_lwp_data_t *lwpd = ttolxlwp(curthread);
+	long rv;
+
+	if (curproc->p_pid == curproc->p_zone->zone_proc_initpid) {
+		rv = 1;
+	} else {
+		VERIFY(lwpd != NULL);
+
+		if (lwpd->br_lx_thunk_pid != 0) {
+			rv = lwpd->br_lx_thunk_pid;
+		} else {
+			rv = lwpd->br_tgid;
+		}
+	}
+
+	return (rv);
+}
+
+/*
+ * return the parent pid
+ */
+long
+lx_getppid(void)
+{
+	return (lx_lwp_ppid(ttolwp(curthread), NULL, NULL));
+}
+
+/*
+ * return the thread id
+ */
+long
+lx_gettid(void)
+{
+	lx_lwp_data_t *lwpd = ttolxlwp(curthread);
+
+	return (lwpd->br_pid);
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_getrandom.c b/usr/src/uts/common/brand/lx/syscall/lx_getrandom.c
new file mode 100644
index 0000000000..acc4073483
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_getrandom.c
@@ -0,0 +1,33 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/brand.h>
+#include <sys/lx_brand.h>
+
+/*
+ * From "uts/common/syscall/getrandom.c":
+ */
+extern int getrandom(void *, size_t, int);
+
+long
+lx_getrandom(void *bufp, size_t buflen, int flags)
+{
+	/*
+	 * According to signal(7), calls to getrandom(2) are restartable.
+	 */
+	ttolxlwp(curthread)->br_syscall_restart = B_TRUE;
+
+	return (getrandom(bufp, buflen, flags));
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_id.c b/usr/src/uts/common/brand/lx/syscall/lx_id.c
new file mode 100644
index 0000000000..baa41f52fa
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_id.c
@@ -0,0 +1,296 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/zone.h>
+#include <sys/cred_impl.h>
+#include <sys/policy.h>
+
+typedef ushort_t	l_uid16_t;
+typedef ushort_t	l_gid16_t;
+typedef uint_t		l_uid_t;
+typedef uint_t		l_gid_t;
+
+#define	LINUX_UID16_TO_UID32(uid16)	\
+	(((uid16) == (l_uid16_t)-1) ? ((l_uid_t)-1) : (l_uid_t)(uid16))
+
+#define	LINUX_GID16_TO_GID32(gid16)     \
+	(((gid16) == (l_gid16_t)-1) ? ((l_gid_t)-1) : (l_gid_t)(gid16))
+
+#define	LX_NGROUPS_MAX	32
+extern int setgroups(int, gid_t *);
+
+/*
+ * This function is based on setreuid in common/syscall/uid.c and exists
+ * because illumos does not have a way to explicitly set the saved uid (suid)
+ * from any other system call.
+ */
+long
+lx_setresuid(l_uid_t ruid, l_uid_t euid, l_uid_t suid)
+{
+	proc_t	*p;
+	int	error = 0;
+	int	do_nocd = 0;
+	int	uidchge = 0;
+	uid_t	oldruid = ruid;
+	cred_t	*cr, *newcr;
+	zoneid_t zoneid = getzoneid();
+
+	if ((ruid != -1 && (ruid > MAXUID)) ||
+	    (euid != -1 && (euid > MAXUID)) ||
+	    (suid != -1 && (suid > MAXUID))) {
+		error = EINVAL;
+		goto done;
+	}
+
+	/*
+	 * Need to pre-allocate the new cred structure before grabbing
+	 * the p_crlock mutex.
+	 */
+	newcr = cralloc();
+
+	p = ttoproc(curthread);
+
+retry:
+	mutex_enter(&p->p_crlock);
+	cr = p->p_cred;
+
+	if (ruid != -1 &&
+	    ruid != cr->cr_ruid && ruid != cr->cr_uid &&
+	    ruid != cr->cr_suid && secpolicy_allow_setid(cr, ruid, B_FALSE)) {
+		error = EPERM;
+	} else if (euid != -1 &&
+	    euid != cr->cr_ruid && euid != cr->cr_uid &&
+	    euid != cr->cr_suid && secpolicy_allow_setid(cr, euid, B_FALSE)) {
+		error = EPERM;
+	} else if (suid != -1 &&
+	    suid != cr->cr_ruid && suid != cr->cr_uid &&
+	    suid != cr->cr_suid && secpolicy_allow_setid(cr, suid, B_FALSE)) {
+		error = EPERM;
+	} else {
+		if (!uidchge && ruid != -1 && cr->cr_ruid != ruid) {
+			/*
+			 * The ruid of the process is going to change. In order
+			 * to avoid a race condition involving the
+			 * process count associated with the newly given ruid,
+			 * we increment the count before assigning the
+			 * credential to the process.
+			 * To do that, we'll have to take pidlock, so we first
+			 * release p_crlock.
+			 */
+			mutex_exit(&p->p_crlock);
+			uidchge = 1;
+			mutex_enter(&pidlock);
+			upcount_inc(ruid, zoneid);
+			mutex_exit(&pidlock);
+			/*
+			 * As we released p_crlock we can't rely on the cr
+			 * we read. So retry the whole thing.
+			 */
+			goto retry;
+		}
+		crhold(cr);
+		crcopy_to(cr, newcr);
+		p->p_cred = newcr;
+
+		if (euid != -1)
+			newcr->cr_uid = euid;
+		if (suid != -1)
+			newcr->cr_suid = suid;
+		if (ruid != -1) {
+			oldruid = newcr->cr_ruid;
+			newcr->cr_ruid = ruid;
+			ASSERT(ruid != oldruid ? uidchge : 1);
+		}
+
+		/*
+		 * A process that gives up its privilege
+		 * must be marked to produce no core dump.
+		 */
+		if ((cr->cr_uid != newcr->cr_uid ||
+		    cr->cr_ruid != newcr->cr_ruid ||
+		    cr->cr_suid != newcr->cr_suid))
+			do_nocd = 1;
+
+		crfree(cr);
+	}
+	mutex_exit(&p->p_crlock);
+
+	/*
+	 * We decrement the number of processes associated with the oldruid
+	 * to match the increment above, even if the ruid of the process
+	 * did not change or an error occurred (oldruid == uid).
+	 */
+	if (uidchge) {
+		ASSERT(oldruid != -1 && ruid != -1);
+		mutex_enter(&pidlock);
+		upcount_dec(oldruid, zoneid);
+		mutex_exit(&pidlock);
+	}
+
+	if (error == 0) {
+		if (do_nocd) {
+			mutex_enter(&p->p_lock);
+			p->p_flag |= SNOCD;
+			mutex_exit(&p->p_lock);
+		}
+		crset(p, newcr);	/* broadcast to process threads */
+		goto done;
+	}
+	crfree(newcr);
+done:
+	if (error)
+		return (set_errno(error));
+	else
+		return (0);
+}
+
+long
+lx_setresuid16(l_uid16_t ruid16, l_uid16_t euid16, l_uid16_t suid16)
+{
+	long	rval;
+
+	rval = lx_setresuid(
+	    LINUX_UID16_TO_UID32(ruid16),
+	    LINUX_UID16_TO_UID32(euid16),
+	    LINUX_UID16_TO_UID32(suid16));
+
+	return (rval);
+}
+
+/*
+ * This function is based on setregid in common/syscall/gid.c
+ */
+long
+lx_setresgid(l_gid_t rgid, l_gid_t egid, l_gid_t sgid)
+{
+	proc_t	*p;
+	int	error = 0;
+	int	do_nocd = 0;
+	cred_t	*cr, *newcr;
+
+	if ((rgid != -1 && (rgid > MAXUID)) ||
+	    (egid != -1 && (egid > MAXUID)) ||
+	    (sgid != -1 && (sgid > MAXUID))) {
+		error = EINVAL;
+		goto done;
+	}
+
+	/*
+	 * Need to pre-allocate the new cred structure before grabbing
+	 * the p_crlock mutex.
+	 */
+	newcr = cralloc();
+
+	p = ttoproc(curthread);
+	mutex_enter(&p->p_crlock);
+	cr = p->p_cred;
+
+	if (rgid != -1 &&
+	    rgid != cr->cr_rgid && rgid != cr->cr_gid &&
+	    rgid != cr->cr_sgid && secpolicy_allow_setid(cr, -1, B_FALSE)) {
+		error = EPERM;
+	} else if (egid != -1 &&
+	    egid != cr->cr_rgid && egid != cr->cr_gid &&
+	    egid != cr->cr_sgid && secpolicy_allow_setid(cr, -1, B_FALSE)) {
+		error = EPERM;
+	} else if (sgid != -1 &&
+	    sgid != cr->cr_rgid && sgid != cr->cr_gid &&
+	    sgid != cr->cr_sgid && secpolicy_allow_setid(cr, -1, B_FALSE)) {
+		error = EPERM;
+	} else {
+		crhold(cr);
+		crcopy_to(cr, newcr);
+		p->p_cred = newcr;
+
+		if (egid != -1)
+			newcr->cr_gid = egid;
+		if (sgid != -1)
+			newcr->cr_sgid = sgid;
+		if (rgid != -1)
+			newcr->cr_rgid = rgid;
+
+		/*
+		 * A process that gives up its privilege
+		 * must be marked to produce no core dump.
+		 */
+		if ((cr->cr_gid != newcr->cr_gid ||
+		    cr->cr_rgid != newcr->cr_rgid ||
+		    cr->cr_sgid != newcr->cr_sgid))
+			do_nocd = 1;
+
+		crfree(cr);
+	}
+	mutex_exit(&p->p_crlock);
+
+	if (error == 0) {
+		if (do_nocd) {
+			mutex_enter(&p->p_lock);
+			p->p_flag |= SNOCD;
+			mutex_exit(&p->p_lock);
+		}
+		crset(p, newcr);	/* broadcast to process threads */
+		goto done;
+	}
+	crfree(newcr);
+done:
+	if (error)
+		return (set_errno(error));
+	else
+		return (0);
+}
+
+long
+lx_setresgid16(l_gid16_t rgid16, l_gid16_t egid16, l_gid16_t sgid16)
+{
+	long	rval;
+
+	rval = lx_setresgid(
+	    LINUX_GID16_TO_GID32(rgid16),
+	    LINUX_GID16_TO_GID32(egid16),
+	    LINUX_GID16_TO_GID32(sgid16));
+
+	return (rval);
+}
+
+/*
+ * Linux defines NGROUPS_MAX to be 32, but on illumos it is only 16. We employ
+ * the terrible hack below so that tests may proceed, if only on DEBUG kernels.
+ */
+long
+lx_helper_setgroups(int ngroups, gid_t *grouplist)
+{
+#ifdef DEBUG
+	if (ngroups > ngroups_max && ngroups <= LX_NGROUPS_MAX)
+		ngroups = ngroups_max;
+#endif /* DEBUG */
+
+	return (setgroups(ngroups, grouplist));
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_ioctl.c b/usr/src/uts/common/brand/lx/syscall/lx_ioctl.c
new file mode 100644
index 0000000000..2930cfb82c
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_ioctl.c
@@ -0,0 +1,1237 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/errno.h>
+#include <sys/systm.h>
+#include <sys/file.h>
+#include <sys/filio.h>
+#include <sys/vnode.h>
+#include <sys/fcntl.h>
+#include <sys/termio.h>
+#include <sys/termios.h>
+#include <sys/ptyvar.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <sys/sockio.h>
+#include <sys/stropts.h>
+#include <sys/ptms.h>
+#include <sys/cred.h>
+#include <sys/cred_impl.h>
+#include <sys/sysmacros.h>
+#include <sys/lx_misc.h>
+#include <sys/lx_ptm.h>
+#include <sys/sunddi.h>
+#include <sys/thread.h>
+#include <sys/proc.h>
+#include <sys/session.h>
+#include <sys/kmem.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+#include <net/if_arp.h>
+#include <sys/ioccom.h>
+#include <sys/dtrace.h>
+#include <sys/ethernet.h>
+#include <sys/dlpi.h>
+
+/*
+ * Supported ioctls
+ */
+#define	LX_TCGETS		0x5401
+#define	LX_TCSETS		0x5402
+#define	LX_TCSETSW		0x5403
+#define	LX_TCSETSF		0x5404
+#define	LX_TCGETA		0x5405
+#define	LX_TCSETA		0x5406
+#define	LX_TCSETAW		0x5407
+#define	LX_TCSETAF		0x5408
+#define	LX_TCSBRK		0x5409
+#define	LX_TCXONC		0x540a
+#define	LX_TCFLSH		0x540b
+#define	LX_TIOCEXCL		0x540c
+#define	LX_TIOCNXCL		0x540d
+#define	LX_TIOCSCTTY		0x540e
+#define	LX_TIOCGPGRP		0x540f
+#define	LX_TIOCSPGRP		0x5410
+#define	LX_TIOCOUTQ		0x5411
+#define	LX_TIOCSTI		0x5412
+#define	LX_TIOCGWINSZ		0x5413
+#define	LX_TIOCSWINSZ		0x5414
+#define	LX_TIOCMGET		0x5415
+#define	LX_TIOCMBIS		0x5416
+#define	LX_TIOCMBIC		0x5417
+#define	LX_TIOCMSET		0x5418
+#define	LX_TIOCGSOFTCAR		0x5419
+#define	LX_TIOCSSOFTCAR		0x541a
+#define	LX_FIONREAD		0x541b
+#define	LX_TIOCPKT		0x5420
+#define	LX_FIONBIO		0x5421
+#define	LX_TIOCNOTTY		0x5422
+#define	LX_TIOCSETD		0x5423
+#define	LX_TIOCGETD		0x5424
+#define	LX_TCSBRKP		0x5425
+#define	LX_TIOCGSID		0x5429
+#define	LX_TIOCGPTN		0x80045430
+#define	LX_TIOCSPTLCK		0x40045431
+#define	LX_FIONCLEX		0x5450
+#define	LX_FIOCLEX		0x5451
+#define	LX_FIOASYNC		0x5452
+#define	LX_FIOSETOWN		0x8901
+#define	LX_SIOCSPGRP		0x8902
+#define	LX_FIOGETOWN		0x8903
+#define	LX_SIOCGPGRP		0x8904
+#define	LX_SIOCATMARK		0x8905
+#define	LX_SIOCGSTAMP		0x8906
+#define	LX_SIOCGIFCONF		0x8912
+#define	LX_SIOCGIFFLAGS		0x8913
+#define	LX_SIOCSIFFLAGS		0x8914
+#define	LX_SIOCGIFADDR		0x8915
+#define	LX_SIOCSIFADDR		0x8916
+#define	LX_SIOCGIFDSTADDR	0x8917
+#define	LX_SIOCSIFDSTADDR	0x8918
+#define	LX_SIOCGIFBRDADDR	0x8919
+#define	LX_SIOCSIFBRDADDR	0x891a
+#define	LX_SIOCGIFNETMASK	0x891b
+#define	LX_SIOCSIFNETMASK	0x891c
+#define	LX_SIOCGIFMETRIC	0x891d
+#define	LX_SIOCSIFMETRIC	0x891e
+#define	LX_SIOCGIFMEM		0x891f
+#define	LX_SIOCSIFMEM		0x8920
+#define	LX_SIOCGIFMTU		0x8921
+#define	LX_SIOCSIFMTU		0x8922
+#define	LX_SIOCSIFHWADDR	0x8924
+#define	LX_SIOCGIFHWADDR	0x8927
+#define	LX_SIOCGIFINDEX		0x8933
+#define	LX_SIOCGIFTXQLEN	0x8942
+
+#define	FLUSER(fp)	fp->f_flag | get_udatamodel()
+#define	FLFAKE(fp)	fp->f_flag | FKIOCTL
+
+/*
+ * LX_NCC must be different from LX_NCCS since while the termio and termios
+ * structures may look similar they are fundamentally different sizes and
+ * have different members.
+ */
+#define	LX_NCC	8
+#define	LX_NCCS	19
+
+struct lx_termio {
+	unsigned short c_iflag;		/* input mode flags */
+	unsigned short c_oflag;		/* output mode flags */
+	unsigned short c_cflag;		/* control mode flags */
+	unsigned short c_lflag;		/* local mode flags */
+	unsigned char c_line;		/* line discipline */
+	unsigned char c_cc[LX_NCC];	/* control characters */
+};
+
+struct lx_termios {
+	uint32_t c_iflag;		/* input mode flags */
+	uint32_t c_oflag;		/* output mode flags */
+	uint32_t c_cflag;		/* control mode flags */
+	uint32_t c_lflag;		/* local mode flags */
+	unsigned char c_line;		/* line discipline */
+	unsigned char c_cc[LX_NCCS];	/* control characters */
+};
+
+/*
+ * c_cc characters which are valid for lx_termio and lx_termios
+ */
+#define	LX_VINTR	0
+#define	LX_VQUIT	1
+#define	LX_VERASE	2
+#define	LX_VKILL	3
+#define	LX_VEOF		4
+#define	LX_VTIME	5
+#define	LX_VMIN		6
+#define	LX_VSWTC	7
+
+/*
+ * c_cc characters which are valid for lx_termios
+ */
+#define	LX_VSTART	8
+#define	LX_VSTOP	9
+#define	LX_VSUSP	10
+#define	LX_VEOL		11
+#define	LX_VREPRINT	12
+#define	LX_VDISCARD	13
+#define	LX_VWERASE	14
+#define	LX_VLNEXT	15
+#define	LX_VEOL2	16
+
+/* VSD key for lx_cc information */
+static uint_t lx_ioctl_vsd = 0;
+
+extern int lx_lpid_to_spair(pid_t l_pid, pid_t *s_pid, id_t *s_tid);
+
+/* Terminal helpers */
+
+static void
+l2s_termios(struct lx_termios *l_tios, struct termios *s_tios)
+{
+	ASSERT((l_tios != NULL) && (s_tios != NULL));
+
+	bzero(s_tios, sizeof (*s_tios));
+
+	s_tios->c_iflag = l_tios->c_iflag;
+	s_tios->c_oflag = l_tios->c_oflag;
+	s_tios->c_cflag = l_tios->c_cflag;
+	s_tios->c_lflag = l_tios->c_lflag;
+
+	if (s_tios->c_lflag & ICANON) {
+		s_tios->c_cc[VEOF] = l_tios->c_cc[LX_VEOF];
+		s_tios->c_cc[VEOL] = l_tios->c_cc[LX_VEOL];
+	} else {
+		s_tios->c_cc[VMIN] = l_tios->c_cc[LX_VMIN];
+		s_tios->c_cc[VTIME] = l_tios->c_cc[LX_VTIME];
+	}
+
+	s_tios->c_cc[VEOL2] = l_tios->c_cc[LX_VEOL2];
+	s_tios->c_cc[VERASE] = l_tios->c_cc[LX_VERASE];
+	s_tios->c_cc[VKILL] = l_tios->c_cc[LX_VKILL];
+	s_tios->c_cc[VREPRINT] = l_tios->c_cc[LX_VREPRINT];
+	s_tios->c_cc[VLNEXT] = l_tios->c_cc[LX_VLNEXT];
+	s_tios->c_cc[VWERASE] = l_tios->c_cc[LX_VWERASE];
+	s_tios->c_cc[VINTR] = l_tios->c_cc[LX_VINTR];
+	s_tios->c_cc[VQUIT] = l_tios->c_cc[LX_VQUIT];
+	s_tios->c_cc[VSWTCH] = l_tios->c_cc[LX_VSWTC];
+	s_tios->c_cc[VSTART] = l_tios->c_cc[LX_VSTART];
+	s_tios->c_cc[VSTOP] = l_tios->c_cc[LX_VSTOP];
+	s_tios->c_cc[VSUSP] = l_tios->c_cc[LX_VSUSP];
+	s_tios->c_cc[VDISCARD] = l_tios->c_cc[LX_VDISCARD];
+}
+
+static void
+l2s_termio(struct lx_termio *l_tio, struct termio *s_tio)
+{
+	ASSERT((l_tio != NULL) && (s_tio != NULL));
+
+	bzero(s_tio, sizeof (*s_tio));
+
+	s_tio->c_iflag = l_tio->c_iflag;
+	s_tio->c_oflag = l_tio->c_oflag;
+	s_tio->c_cflag = l_tio->c_cflag;
+	s_tio->c_lflag = l_tio->c_lflag;
+
+	if (s_tio->c_lflag & ICANON) {
+		s_tio->c_cc[VEOF] = l_tio->c_cc[LX_VEOF];
+	} else {
+		s_tio->c_cc[VMIN] = l_tio->c_cc[LX_VMIN];
+		s_tio->c_cc[VTIME] = l_tio->c_cc[LX_VTIME];
+	}
+
+	s_tio->c_cc[VINTR] = l_tio->c_cc[LX_VINTR];
+	s_tio->c_cc[VQUIT] = l_tio->c_cc[LX_VQUIT];
+	s_tio->c_cc[VERASE] = l_tio->c_cc[LX_VERASE];
+	s_tio->c_cc[VKILL] = l_tio->c_cc[LX_VKILL];
+	s_tio->c_cc[VSWTCH] = l_tio->c_cc[LX_VSWTC];
+}
+
+static void
+termios2lx_cc(struct lx_termios *l_tios, struct lx_cc *lio)
+{
+	ASSERT((l_tios != NULL) && (lio != NULL));
+
+	bzero(lio, sizeof (*lio));
+
+	lio->veof = l_tios->c_cc[LX_VEOF];
+	lio->veol = l_tios->c_cc[LX_VEOL];
+	lio->vmin = l_tios->c_cc[LX_VMIN];
+	lio->vtime = l_tios->c_cc[LX_VTIME];
+}
+
+static void
+termio2lx_cc(struct lx_termio *l_tio, struct lx_cc *lio)
+{
+	ASSERT((l_tio != NULL) && (lio != NULL));
+
+	bzero(lio, sizeof (*lio));
+
+	lio->veof = l_tio->c_cc[LX_VEOF];
+	lio->veol = 0;
+	lio->vmin = l_tio->c_cc[LX_VMIN];
+	lio->vtime = l_tio->c_cc[LX_VTIME];
+}
+
+static void
+s2l_termios(struct termios *s_tios, struct lx_termios *l_tios)
+{
+	ASSERT((s_tios != NULL) && (l_tios != NULL));
+
+	bzero(l_tios, sizeof (*l_tios));
+
+	l_tios->c_iflag = s_tios->c_iflag;
+	l_tios->c_oflag = s_tios->c_oflag;
+	l_tios->c_cflag = s_tios->c_cflag;
+	l_tios->c_lflag = s_tios->c_lflag;
+
+	if (s_tios->c_lflag & ICANON) {
+		l_tios->c_cc[LX_VEOF] = s_tios->c_cc[VEOF];
+		l_tios->c_cc[LX_VEOL] = s_tios->c_cc[VEOL];
+	} else {
+		l_tios->c_cc[LX_VMIN] = s_tios->c_cc[VMIN];
+		l_tios->c_cc[LX_VTIME] = s_tios->c_cc[VTIME];
+	}
+
+	l_tios->c_cc[LX_VEOL2] = s_tios->c_cc[VEOL2];
+	l_tios->c_cc[LX_VERASE] = s_tios->c_cc[VERASE];
+	l_tios->c_cc[LX_VKILL] = s_tios->c_cc[VKILL];
+	l_tios->c_cc[LX_VREPRINT] = s_tios->c_cc[VREPRINT];
+	l_tios->c_cc[LX_VLNEXT] = s_tios->c_cc[VLNEXT];
+	l_tios->c_cc[LX_VWERASE] = s_tios->c_cc[VWERASE];
+	l_tios->c_cc[LX_VINTR] = s_tios->c_cc[VINTR];
+	l_tios->c_cc[LX_VQUIT] = s_tios->c_cc[VQUIT];
+	l_tios->c_cc[LX_VSWTC] = s_tios->c_cc[VSWTCH];
+	l_tios->c_cc[LX_VSTART] = s_tios->c_cc[VSTART];
+	l_tios->c_cc[LX_VSTOP] = s_tios->c_cc[VSTOP];
+	l_tios->c_cc[LX_VSUSP] = s_tios->c_cc[VSUSP];
+	l_tios->c_cc[LX_VDISCARD] = s_tios->c_cc[VDISCARD];
+}
+
+static void
+s2l_termio(struct termio *s_tio, struct lx_termio *l_tio)
+{
+	ASSERT((s_tio != NULL) && (l_tio != NULL));
+
+	bzero(l_tio, sizeof (*l_tio));
+
+	l_tio->c_iflag = s_tio->c_iflag;
+	l_tio->c_oflag = s_tio->c_oflag;
+	l_tio->c_cflag = s_tio->c_cflag;
+	l_tio->c_lflag = s_tio->c_lflag;
+
+	if (s_tio->c_lflag & ICANON) {
+		l_tio->c_cc[LX_VEOF] = s_tio->c_cc[VEOF];
+	} else {
+		l_tio->c_cc[LX_VMIN] = s_tio->c_cc[VMIN];
+		l_tio->c_cc[LX_VTIME] = s_tio->c_cc[VTIME];
+	}
+
+	l_tio->c_cc[LX_VINTR] = s_tio->c_cc[VINTR];
+	l_tio->c_cc[LX_VQUIT] = s_tio->c_cc[VQUIT];
+	l_tio->c_cc[LX_VERASE] = s_tio->c_cc[VERASE];
+	l_tio->c_cc[LX_VKILL] = s_tio->c_cc[VKILL];
+	l_tio->c_cc[LX_VSWTC] = s_tio->c_cc[VSWTCH];
+}
+
+static void
+set_lx_cc(vnode_t *vp, struct lx_cc *lio)
+{
+	struct lx_cc *cur;
+	/*
+	 * Linux expects that the termio/termios control characters are
+	 * preserved more strictly than illumos supports.  In order to preserve
+	 * the illusion that the characters are maintained, they are stored as
+	 * vnode-specific data.
+	 */
+	mutex_enter(&vp->v_vsd_lock);
+	cur = (struct lx_cc *)vsd_get(vp, lx_ioctl_vsd);
+	if (cur == NULL) {
+		cur = kmem_alloc(sizeof (struct lx_cc), KM_SLEEP);
+		bcopy(lio, cur, sizeof (struct lx_cc));
+		(void) vsd_set(vp, lx_ioctl_vsd, cur);
+	} else {
+		bcopy(lio, cur, sizeof (struct lx_cc));
+	}
+	mutex_exit(&vp->v_vsd_lock);
+}
+
+static int
+get_lx_cc(vnode_t *vp, struct lx_cc *lio)
+{
+	struct lx_cc *cur;
+	int rv = 1;
+	mutex_enter(&vp->v_vsd_lock);
+	cur = (struct lx_cc *)vsd_get(vp, lx_ioctl_vsd);
+	if (cur != NULL) {
+		bcopy(cur, lio, sizeof (*lio));
+		rv = 0;
+	}
+	mutex_exit(&vp->v_vsd_lock);
+	return (rv);
+}
+
+/* Socket helpers */
+
+typedef struct lx_ifreq32 {
+	char	ifr_name[IFNAMSIZ];
+	union {
+		struct	sockaddr ifru_addr;
+	};
+} lx_ifreq32_t;
+
+typedef struct lx_ifreq64 {
+	char	ifr_name[IFNAMSIZ];
+	union {
+		struct	sockaddr ifru_addr;
+		/* pad this out to the Linux size */
+		uint64_t	ifmap[3];
+	};
+} lx_ifreq64_t;
+
+typedef struct lx_ifconf32 {
+	int32_t	if_len;
+	caddr32_t if_buf;
+} lx_ifconf32_t;
+
+typedef struct lx_ifconf64 {
+	int32_t	if_len;
+	caddr_t if_buf;
+} lx_ifconf64_t;
+
+
+/* Generic translators */
+
+static int
+ict_pass(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	int error = 0;
+	int rv;
+
+	error = VOP_IOCTL(fp->f_vnode, cmd, arg, FLUSER(fp), fp->f_cred, &rv,
+	    NULL);
+	return ((error != 0) ? set_errno(error) : 0);
+}
+
+static int
+ict_fionbio(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	vnode_t *vp;
+	int32_t iflag, flags;
+	int error;
+
+	if (copyin((caddr_t)arg, &iflag, sizeof (iflag)))
+		return (set_errno(EFAULT));
+
+	mutex_enter(&fp->f_tlock);
+	vp = fp->f_vnode;
+	flags = fp->f_flag;
+	/* Linux sets NONBLOCK instead of FIONBIO */
+	if (iflag)
+		flags |= FNONBLOCK;
+	else
+		flags &= ~FNONBLOCK;
+	/* push the flag down */
+	error = VOP_SETFL(vp, fp->f_flag, flags, fp->f_cred, NULL);
+	fp->f_flag = flags;
+	mutex_exit(&fp->f_tlock);
+	return ((error != 0) ? set_errno(error) : 0);
+}
+
+static int
+ict_fionread(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	vnode_t *vp;
+	struct vattr vattr;
+	int error = 0;
+	int rv;
+	/*
+	 * offset is int32_t because that is what FIONREAD is defined in terms
+	 * of.  We cap at INT_MAX as in other cases for this ioctl.
+	 */
+	int32_t offset;
+
+	vp = fp->f_vnode;
+
+	if (vp->v_type == VREG || vp->v_type == VDIR) {
+		vattr.va_mask = AT_SIZE;
+		error = VOP_GETATTR(vp, &vattr, 0, fp->f_cred, NULL);
+		if (error != 0)
+			return (set_errno(error));
+		offset = MIN(vattr.va_size - fp->f_offset, INT_MAX);
+		if (copyout(&offset, (caddr_t)arg, sizeof (offset)))
+			return (set_errno(EFAULT));
+	} else {
+		error = VOP_IOCTL(vp, FIONREAD, arg, FLUSER(fp), fp->f_cred,
+		    &rv, NULL);
+		if (error)
+			return (set_errno(error));
+	}
+	return (0);
+}
+
+/* Terminal-related translators */
+
+static int
+ict_tcsets(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	struct lx_termios	l_tios;
+	struct termios		s_tios;
+	struct lx_cc		lio;
+	int			error, rv;
+
+	ASSERT(cmd == TCSETS || cmd == TCSETSW || cmd == TCSETSF);
+
+	if (copyin((struct lx_termios *)arg, &l_tios, sizeof (l_tios)) != 0)
+		return (set_errno(EFAULT));
+	termios2lx_cc(&l_tios, &lio);
+	l2s_termios(&l_tios, &s_tios);
+
+	error = VOP_IOCTL(fp->f_vnode, cmd, (intptr_t)&s_tios,
+	    FLFAKE(fp), fp->f_cred, &rv, NULL);
+	if (error)
+		return (set_errno(error));
+	/* preserve lx_cc */
+	set_lx_cc(fp->f_vnode, &lio);
+
+	return (0);
+}
+
+static int
+ict_tcseta(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	struct lx_termio	l_tio;
+	struct termio		s_tio;
+	struct lx_cc		lio;
+	int			error, rv;
+
+	ASSERT(cmd == TCSETA || cmd == TCSETAW || cmd == TCSETAF);
+
+	if (copyin((struct lx_termio *)arg, &l_tio, sizeof (l_tio)) != 0)
+		return (set_errno(EFAULT));
+	l2s_termio(&l_tio, &s_tio);
+	termio2lx_cc(&l_tio, &lio);
+
+	error = VOP_IOCTL(fp->f_vnode, cmd, (intptr_t)&s_tio,
+	    FLFAKE(fp), fp->f_cred, &rv, NULL);
+	if (error)
+		return (set_errno(error));
+	/* preserve lx_cc */
+	set_lx_cc(fp->f_vnode, &lio);
+
+	return (0);
+}
+
+static int
+ict_tcgets_ptm(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	struct lx_termios	l_tios;
+	struct termios		s_tios, *s_tiosd;
+	uint_t			s_tiosl;
+
+	/* get termios defaults */
+	if (ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, ddi_root_node(),
+	    DDI_PROP_NOTPROM, "ttymodes", (uchar_t **)&s_tiosd,
+	    &s_tiosl) != DDI_SUCCESS)
+		return (EIO);
+	ASSERT(s_tiosl == sizeof (*s_tiosd));
+	bcopy(s_tiosd, &s_tios, sizeof (s_tios));
+	ddi_prop_free(s_tiosd);
+
+	/* Now munge the data to how Linux wants it. */
+	s2l_termios(&s_tios, &l_tios);
+	if (copyout(&l_tios, (struct lx_termios *)arg, sizeof (l_tios)) != 0)
+		return (set_errno(EFAULT));
+
+	return (0);
+}
+
+static int
+ict_tcgets_native(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	struct lx_termios	l_tios;
+	struct termios		s_tios;
+	struct lx_cc		lio;
+	int			error, rv;
+
+	error = VOP_IOCTL(fp->f_vnode, cmd, (intptr_t)&s_tios,
+	    FLFAKE(fp), fp->f_cred, &rv, NULL);
+	if (error)
+		return (set_errno(error));
+
+	/* Now munge the data to how Linux wants it. */
+	s2l_termios(&s_tios, &l_tios);
+
+	/* return preserved lx_cc */
+	if (get_lx_cc(fp->f_vnode, &lio) == 0) {
+		l_tios.c_cc[LX_VEOF] = lio.veof;
+		l_tios.c_cc[LX_VEOL] = lio.veol;
+		l_tios.c_cc[LX_VMIN] = lio.vmin;
+		l_tios.c_cc[LX_VTIME] = lio.vtime;
+	}
+
+	if (copyout(&l_tios, (struct lx_termios *)arg, sizeof (l_tios)) != 0)
+		return (set_errno(EFAULT));
+
+	return (0);
+}
+
+static int
+ict_tcgets(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	if (getmajor(fp->f_vnode->v_rdev) == ddi_name_to_major(LX_PTM_DRV))
+		return (ict_tcgets_ptm(fp, cmd, arg, lxcmd));
+	else
+		return (ict_tcgets_native(fp, cmd, arg, lxcmd));
+}
+
+static int
+ict_tcgeta(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	struct lx_termio	l_tio;
+	struct termio		s_tio;
+	struct lx_cc		lio;
+	int			error, rv;
+
+	error = VOP_IOCTL(fp->f_vnode, cmd, (intptr_t)&s_tio,
+	    FLFAKE(fp), fp->f_cred, &rv, NULL);
+	if (error)
+		return (set_errno(error));
+
+	s2l_termio(&s_tio, &l_tio);
+	/* return preserved lx_cc */
+	if (get_lx_cc(fp->f_vnode, &lio) == 0) {
+		l_tio.c_cc[LX_VEOF] = lio.veof;
+		l_tio.c_cc[LX_VMIN] = lio.vmin;
+		l_tio.c_cc[LX_VTIME] = lio.vtime;
+	}
+
+	if (copyout(&l_tio, (struct lx_termios *)arg, sizeof (l_tio)) != 0)
+		return (set_errno(EFAULT));
+
+	return (0);
+}
+
+static int
+ict_tiocspgrp(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	pid_t lpid, spid, tid;
+	int error, rv;
+
+	/* Converting to the illumos pid is necessary */
+	if (copyin((pid_t *)arg, &lpid, sizeof (lpid)) < 0)
+		return (set_errno(EFAULT));
+	if (lx_lpid_to_spair(lpid, &spid, &tid) < 0)
+		return (set_errno(EPERM));
+
+	error = VOP_IOCTL(fp->f_vnode, cmd, (intptr_t)&spid,
+	    fp->f_flag |FKIOCTL, fp->f_cred, &rv, NULL);
+	return ((error != 0) ? set_errno(error) : 0);
+}
+
+static int
+ict_tcsbrkp(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	int rv, error;
+	/* use null duration to emulate TCSBRKP */
+	int dur = 0;
+	error = VOP_IOCTL(fp->f_vnode, TCSBRK, (intptr_t)&dur,
+	    FLFAKE(fp), fp->f_cred, &rv, NULL);
+	return ((error != 0) ? set_errno(error) : 0);
+}
+
+static int
+ict_tiocgpgrp(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	pid_t	spgrp;
+	int	error, rv;
+
+	error = VOP_IOCTL(fp->f_vnode, cmd, (intptr_t)&spgrp, FLFAKE(fp),
+	    fp->f_cred, &rv, NULL);
+	if (error == 0) {
+		if (spgrp == curproc->p_zone->zone_proc_initpid) {
+			spgrp = 1;
+		}
+		if (copyout(&spgrp, (caddr_t)arg, sizeof (spgrp))) {
+			return (set_errno(EFAULT));
+		}
+	}
+	return ((error != 0) ? set_errno(error) : 0);
+}
+
+static int
+ict_sptlock(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	struct strioctl istr;
+	int error, rv;
+
+	istr.ic_cmd = UNLKPT;
+	istr.ic_len = 0;
+	istr.ic_timout = 0;
+	istr.ic_dp = NULL;
+	error = VOP_IOCTL(fp->f_vnode, I_STR, (intptr_t)&istr,
+	    fp->f_flag |FKIOCTL, fp->f_cred, &rv, NULL);
+	/*
+	 * The success/fail return values are different between Linux
+	 * and illumos.   Linux expects 0 or -1.  Illumos can return
+	 * positive number on success.
+	 */
+	return ((error != 0) ? set_errno(error) : 0);
+}
+
+static int
+ict_gptn(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	struct strioctl istr;
+	cred_t *cr;
+	pt_own_t pto;
+	int error, rv;
+	int ptyno;
+
+	/* This operation is only valid for the lx_ptm device. */
+	if (getmajor(fp->f_vnode->v_rdev) != ddi_name_to_major(LX_PTM_DRV))
+		return (set_errno(ENOTTY));
+
+	cr = CRED();
+	pto.pto_ruid = cr->cr_uid;
+	pto.pto_rgid = cr->cr_gid;
+
+	istr.ic_cmd = OWNERPT;
+	istr.ic_len = sizeof (pto);
+	istr.ic_timout = 0;
+	istr.ic_dp = (char *)&pto;
+	error = VOP_IOCTL(fp->f_vnode, I_STR, (intptr_t)&istr,
+	    FLFAKE(fp), fp->f_cred, &rv, NULL);
+
+	if (error)
+		return (set_errno((error == ENOTTY) ? error: EACCES));
+
+	ptyno = getminor(fp->f_vnode->v_rdev) - 1;
+	if (copyout(&ptyno, (caddr_t)arg, sizeof (ptyno)))
+		return (set_errno(EFAULT));
+
+	return (0);
+}
+
+static int
+ict_tiocgwinsz(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	int error, rv;
+	struct winsize winsize;
+
+	error = VOP_IOCTL(fp->f_vnode, cmd, arg, FLUSER(fp), fp->f_cred, &rv,
+	    NULL);
+
+	if (error == EINVAL) {
+		bzero(&winsize, sizeof (winsize));
+		if (copyout(&winsize, (caddr_t)arg, sizeof (winsize)))
+			return (set_errno(EFAULT));
+	} else if (error != 0) {
+		return (set_errno(error));
+	}
+
+	return (0);
+}
+
+static int
+ict_tiocsctty(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	pid_t	ttysid, mysid;
+	int	error, rv;
+	proc_t *p = curproc;
+
+	/* getsid */
+	mutex_enter(&p->p_splock);
+	mysid = p->p_sessp->s_sid;
+	mutex_exit(&p->p_splock);
+
+	/*
+	 * Report success if we already control the tty.
+	 * If no one controls it, TIOCSCTTY will change that later.
+	 */
+	error = VOP_IOCTL(fp->f_vnode, TIOCGSID, (intptr_t)&ttysid,
+	    FLFAKE(fp), fp->f_cred, &rv, NULL);
+	if (error == 0 && ttysid == mysid)
+		return (0);
+
+	/*
+	 * Need to make sure we're a session leader, otherwise the
+	 * TIOCSCTTY ioctl will fail.
+	 */
+	mutex_enter(&pidlock);
+	if (p->p_sessp->s_sidp != p->p_pidp && !pgmembers(p->p_pid)) {
+		mutex_exit(&pidlock);
+		sess_create();
+	} else {
+		mutex_exit(&pidlock);
+	}
+
+	error = VOP_IOCTL(fp->f_vnode, cmd, 0, FLUSER(fp),
+	    fp->f_cred, &rv, NULL);
+	return ((error != 0) ? set_errno(error) : 0);
+}
+
+/* Socket-related translators */
+
+static int
+ict_siocatmark(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	vnode_t *vp = fp->f_vnode;
+	int error, rv;
+	/*
+	 * Linux expects a SIOCATMARK of a UDP socket to return ENOTTY, while
+	 * Illumos allows it. Linux prior to 2.6.39 returned EINVAL for this.
+	 */
+	if (vp->v_type != VSOCK || VTOSO(vp)->so_type != SOCK_STREAM)
+		return (set_errno(ENOTTY));
+
+	error = VOP_IOCTL(fp->f_vnode, cmd, arg, FLUSER(fp), fp->f_cred, &rv,
+	    NULL);
+	if (error)
+		return (set_errno(error));
+
+	return (0);
+}
+
+static void
+ict_convert_ifflags(uint64_t *flags, boolean_t tonative)
+{
+	uint64_t buf;
+	buf = *flags & (IFF_UP | IFF_BROADCAST | IFF_DEBUG |
+	    IFF_LOOPBACK | IFF_POINTOPOINT | IFF_NOTRAILERS |
+	    IFF_RUNNING | IFF_NOARP | IFF_PROMISC | IFF_ALLMULTI);
+
+	/* Linux has different shift for multicast flag */
+	if (tonative == B_TRUE) {
+		if (*flags & 0x1000)
+			buf |= IFF_MULTICAST;
+	} else {
+		if (*flags & IFF_MULTICAST)
+			buf |= 0x1000;
+	}
+	*flags = buf;
+}
+
+static int
+ict_if_ioctl(vnode_t *vn, int cmd, intptr_t arg, int flags, cred_t *cred)
+{
+	int error, rv;
+	lx_zone_data_t *lxzd = ztolxzd(curproc->p_zone);
+	ksocket_t ks;
+
+	ASSERT(lxzd != NULL);
+	ks = lxzd->lxzd_ioctl_sock;
+
+	/*
+	 * For ioctls of this type, Illumos is strict about address family
+	 * whereas Linux is lenient.  This strictness can be avoided by using
+	 * an internal AF_INET ksocket.
+	 */
+	if (ks != NULL) {
+		error = ksocket_ioctl(ks, cmd, arg, &rv, cred);
+	} else {
+		error = VOP_IOCTL(vn, cmd, arg, flags, cred, &rv, NULL);
+	}
+
+	return (error);
+}
+
+static int
+ict_sioghwaddr(file_t *fp, struct lifreq *lreq)
+{
+	struct sockaddr_dl *sdl = (struct sockaddr_dl *)&lreq->lifr_addr;
+	struct sockaddr hwaddr;
+	int error, size;
+
+	error = ict_if_ioctl(fp->f_vnode, SIOCGLIFHWADDR, (intptr_t)lreq,
+	    FLFAKE(fp), fp->f_cred);
+
+	if (error == EADDRNOTAVAIL &&
+	    strncmp(lreq->lifr_name, "lo", 2) == 0) {
+		/* Emulate success on suspected loopbacks */
+		sdl->sdl_type = DL_LOOP;
+		sdl->sdl_alen = ETHERADDRL;
+		error = 0;
+	}
+
+	if (error == 0) {
+		bzero(&hwaddr, sizeof (hwaddr));
+		lx_stol_hwaddr(sdl, &hwaddr, &size);
+		bcopy(&hwaddr, &lreq->lifr_addr, size);
+	}
+
+	return (error);
+}
+
+static int
+ict_siolifreq(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	struct ifreq	req;
+	struct lifreq	lreq;
+	int		error, len;
+
+	/* Convert from Linux ifreq to illumos lifreq */
+	if (curproc->p_model == DATAMODEL_LP64)
+		len = sizeof (lx_ifreq64_t);
+	else
+		len = sizeof (lx_ifreq32_t);
+	if (copyin((struct ifreq *)arg, &req, len) != 0)
+		return (set_errno(EFAULT));
+	bzero(&lreq, sizeof (lreq));
+	strncpy(lreq.lifr_name, req.ifr_name, IFNAMSIZ);
+	bcopy(&req.ifr_ifru, &lreq.lifr_lifru, len - IFNAMSIZ);
+	lx_ifname_convert(lreq.lifr_name, LX_IFNAME_TONATIVE);
+
+	switch (cmd) {
+	case SIOCGIFADDR:
+	case SIOCSIFADDR:
+	case SIOCGIFDSTADDR:
+	case SIOCSIFDSTADDR:
+	case SIOCGIFBRDADDR:
+	case SIOCSIFBRDADDR:
+	case SIOCGIFNETMASK:
+	case SIOCSIFNETMASK:
+	case SIOCGIFMETRIC:
+	case SIOCSIFMETRIC:
+	case SIOCGIFMTU:
+	case SIOCSIFMTU:
+		/*
+		 * Convert cmd from SIO*IF* to SIO*LIF*.
+		 * This is needed since Linux allows ifreq operations on ipv6
+		 * sockets where illumos does not.
+		 */
+		cmd = ((cmd & IOC_INOUT) |
+		    _IOW('i', ((cmd & 0xff) + 100), struct lifreq));
+		error = ict_if_ioctl(fp->f_vnode, cmd, (intptr_t)&lreq,
+		    FLFAKE(fp), fp->f_cred);
+		break;
+	case SIOCGIFINDEX:
+		cmd = SIOCGLIFINDEX;
+		error = ict_if_ioctl(fp->f_vnode, cmd, (intptr_t)&lreq,
+		    FLFAKE(fp), fp->f_cred);
+		break;
+	case SIOCGIFFLAGS:
+		cmd = SIOCGLIFFLAGS;
+		error = ict_if_ioctl(fp->f_vnode, cmd, (intptr_t)&lreq,
+		    FLFAKE(fp), fp->f_cred);
+		if (error == 0)
+			ict_convert_ifflags(&lreq.lifr_flags, B_FALSE);
+		break;
+	case SIOCSIFFLAGS:
+		cmd = SIOCSLIFFLAGS;
+		ict_convert_ifflags(&lreq.lifr_flags, B_TRUE);
+		error = ict_if_ioctl(fp->f_vnode, cmd, (intptr_t)&lreq,
+		    FLFAKE(fp), fp->f_cred);
+		break;
+	case SIOCGIFHWADDR:
+		error = ict_sioghwaddr(fp, &lreq);
+		break;
+	case LX_SIOCGIFTXQLEN:
+		/*
+		 * Illumos lacks the notion of txqlen.  Confirm the provided
+		 * interface is valid with SIOCGLIFINDEX and return a fake
+		 * txqlen of 1.  Loopback devices will report txqlen of 0.
+		 */
+		if (strncmp(lreq.lifr_name, "lo", 2) == 0) {
+			lreq.lifr_index = 0;
+			error = 0;
+			break;
+		}
+		cmd = SIOCGLIFINDEX;
+		error = ict_if_ioctl(fp->f_vnode, cmd, (intptr_t)&lreq,
+		    FLFAKE(fp), fp->f_cred);
+		if (error == 0) {
+			/* lifr_index aliases to the qlen field */
+			lreq.lifr_index = 1;
+		}
+		break;
+	case LX_SIOCSIFHWADDR:
+		/*
+		 * We're not going to support SIOCSIFHWADDR, but we need to be
+		 * able to check the result of the copyin first to see if the
+		 * command should have returned EFAULT.
+		 */
+	default:
+		error = EINVAL;
+	}
+
+	if (error != 0)
+		return (set_errno(error));
+
+	/* Convert back to a Linux ifreq */
+	lx_ifname_convert(lreq.lifr_name, LX_IFNAME_FROMNATIVE);
+	bzero(&req, sizeof (req));
+	strncpy(req.ifr_name, lreq.lifr_name, IFNAMSIZ);
+	bcopy(&lreq.lifr_lifru, &req.ifr_ifru, len - IFNAMSIZ);
+
+	if (copyout(&req, (struct lifreq *)arg, len) != 0)
+		return (set_errno(EFAULT));
+
+	return (0);
+}
+
+static int
+ict_siocgifconf32(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	lx_ifconf32_t	conf;
+	lx_ifreq32_t	*oreq;
+	struct ifconf	sconf;
+	int		ifcount, error, i, buf_len;
+
+	if (copyin((lx_ifconf32_t *)arg, &conf, sizeof (conf)) != 0)
+		return (set_errno(EFAULT));
+
+	/* They want to know how many interfaces there are. */
+	if (conf.if_len <= 0 || conf.if_buf == NULL) {
+		error = ict_if_ioctl(fp->f_vnode, SIOCGIFNUM,
+		    (intptr_t)&ifcount, FLFAKE(fp), fp->f_cred);
+		if (error != 0)
+			return (set_errno(error));
+
+		conf.if_len = ifcount * sizeof (lx_ifreq32_t);
+
+		if (copyout(&conf, (lx_ifconf32_t *)arg, sizeof (conf)) != 0)
+			return (set_errno(EFAULT));
+		return (0);
+	} else {
+		ifcount = conf.if_len / sizeof (lx_ifreq32_t);
+	}
+
+	/* Get interface configuration list. */
+	sconf.ifc_len = ifcount * sizeof (struct ifreq);
+	sconf.ifc_req = (struct ifreq *)kmem_alloc(sconf.ifc_len, KM_SLEEP);
+
+	error = ict_if_ioctl(fp->f_vnode, cmd, (intptr_t)&sconf, FLFAKE(fp),
+	    fp->f_cred);
+	if (error != 0) {
+		kmem_free(sconf.ifc_req, ifcount * sizeof (struct ifreq));
+		return (set_errno(error));
+	}
+
+	/* Convert data to Linux format & rename interfaces */
+	buf_len = ifcount * sizeof (lx_ifreq32_t);
+	oreq = (lx_ifreq32_t *)kmem_alloc(buf_len, KM_SLEEP);
+	for (i = 0; i < sconf.ifc_len / sizeof (struct ifreq); i++) {
+		bcopy(&sconf.ifc_req[i], oreq + i, sizeof (lx_ifreq32_t));
+		lx_ifname_convert(oreq[i].ifr_name, LX_IFNAME_FROMNATIVE);
+	}
+	conf.if_len = i * sizeof (*oreq);
+	kmem_free(sconf.ifc_req, ifcount * sizeof (struct ifreq));
+
+	error = 0;
+	if (copyout(oreq, (caddr_t)(uintptr_t)conf.if_buf, conf.if_len) != 0 ||
+	    copyout(&conf, (lx_ifconf32_t *)arg, sizeof (conf)) != 0)
+		error = set_errno(EFAULT);
+
+	kmem_free(oreq, buf_len);
+	return (error);
+}
+
+static int
+ict_siocgifconf64(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	lx_ifconf64_t	conf;
+	lx_ifreq64_t	*oreq;
+	struct ifconf	sconf;
+	int		ifcount, error, i, buf_len;
+
+	if (copyin((lx_ifconf64_t *)arg, &conf, sizeof (conf)) != 0)
+		return (set_errno(EFAULT));
+
+	/* They want to know how many interfaces there are. */
+	if (conf.if_len <= 0 || conf.if_buf == NULL) {
+		error = ict_if_ioctl(fp->f_vnode, SIOCGIFNUM,
+		    (intptr_t)&ifcount, FLFAKE(fp), fp->f_cred);
+		if (error != 0)
+			return (set_errno(error));
+
+		conf.if_len = ifcount * sizeof (lx_ifreq64_t);
+
+		if (copyout(&conf, (lx_ifconf64_t *)arg, sizeof (conf)) != 0)
+			return (set_errno(EFAULT));
+		return (0);
+	} else {
+		ifcount = conf.if_len / sizeof (lx_ifreq64_t);
+	}
+
+	/* Get interface configuration list. */
+	sconf.ifc_len = ifcount * sizeof (struct ifreq);
+	sconf.ifc_req = (struct ifreq *)kmem_alloc(sconf.ifc_len, KM_SLEEP);
+
+	error = ict_if_ioctl(fp->f_vnode, cmd, (intptr_t)&sconf, FLFAKE(fp),
+	    fp->f_cred);
+	if (error != 0) {
+		kmem_free(sconf.ifc_req, ifcount * sizeof (struct ifreq));
+		return (set_errno(error));
+	}
+
+	/* Convert data to Linux format & rename interfaces */
+	buf_len = ifcount * sizeof (lx_ifreq64_t);
+	oreq = (lx_ifreq64_t *)kmem_alloc(buf_len, KM_SLEEP);
+	for (i = 0; i < sconf.ifc_len / sizeof (struct ifreq); i++) {
+		bcopy(&sconf.ifc_req[i], oreq + i, sizeof (lx_ifreq64_t));
+		lx_ifname_convert(oreq[i].ifr_name, LX_IFNAME_FROMNATIVE);
+	}
+	conf.if_len = i * sizeof (*oreq);
+	kmem_free(sconf.ifc_req, ifcount * sizeof (struct ifreq));
+
+	error = 0;
+	if (copyout(oreq, (caddr_t)(uintptr_t)conf.if_buf, conf.if_len) != 0 ||
+	    copyout(&conf, (lx_ifconf64_t *)arg, sizeof (conf)) != 0)
+		error = set_errno(EFAULT);
+
+	kmem_free(oreq, buf_len);
+	return (error);
+}
+
+static int
+ict_siocgifconf(file_t *fp, int cmd, intptr_t arg, int lxcmd)
+{
+	if (curproc->p_model == DATAMODEL_LP64)
+		return (ict_siocgifconf64(fp, cmd, arg, lxcmd));
+	else
+		return (ict_siocgifconf32(fp, cmd, arg, lxcmd));
+}
+
+/* Structure used to define an ioctl translator. */
+typedef struct ioc_cmd_translator {
+	int	ict_lxcmd;
+	int	ict_cmd;
+	int	(*ict_func)(file_t *fp, int cmd, intptr_t arg, int lxcmd);
+} ioc_cmd_translator_t;
+
+#define	IOC_CMD_TRANSLATOR_PASS(ioc_cmd_sym)				\
+	{ (int)LX_##ioc_cmd_sym, (int)ioc_cmd_sym, ict_pass },
+
+#define	IOC_CMD_TRANSLATOR_FILTER(ioc_cmd_sym, ioct_handler)		\
+	{ (int)LX_##ioc_cmd_sym, (int)ioc_cmd_sym, ioct_handler },
+
+#define	IOC_CMD_TRANSLATOR_CUSTOM(ioc_cmd_sym, ioct_handler)		\
+	{ (int)ioc_cmd_sym, (int)ioc_cmd_sym, ioct_handler },
+
+#define	IOC_CMD_TRANSLATOR_PTHRU(ioc_cmd_sym)				\
+	{ (int)ioc_cmd_sym, (int)ioc_cmd_sym, ict_pass },
+
+#define	IOC_CMD_TRANSLATOR_END						\
+	{0, 0, NULL}
+
+static ioc_cmd_translator_t ioc_translators[] = {
+	IOC_CMD_TRANSLATOR_FILTER(FIONBIO,	ict_fionbio)
+	IOC_CMD_TRANSLATOR_FILTER(FIONREAD,	ict_fionread)
+	IOC_CMD_TRANSLATOR_PASS(FIOGETOWN)
+	IOC_CMD_TRANSLATOR_PASS(FIOASYNC)
+
+	/* streams related */
+	IOC_CMD_TRANSLATOR_PASS(TCXONC)
+	IOC_CMD_TRANSLATOR_PASS(TCFLSH)
+	IOC_CMD_TRANSLATOR_PASS(TIOCEXCL)
+	IOC_CMD_TRANSLATOR_PASS(TIOCNXCL)
+	IOC_CMD_TRANSLATOR_PASS(TIOCSTI)
+	IOC_CMD_TRANSLATOR_PASS(TIOCSWINSZ)
+	IOC_CMD_TRANSLATOR_PASS(TIOCMBIS)
+	IOC_CMD_TRANSLATOR_PASS(TIOCMBIC)
+	IOC_CMD_TRANSLATOR_PASS(TIOCMSET)
+	IOC_CMD_TRANSLATOR_PASS(TIOCSETD)
+	IOC_CMD_TRANSLATOR_PASS(TCSBRK)
+
+	/* terminal related */
+	IOC_CMD_TRANSLATOR_PASS(TIOCGETD)
+	IOC_CMD_TRANSLATOR_PASS(TIOCGSID)
+	IOC_CMD_TRANSLATOR_PASS(TIOCNOTTY)
+	IOC_CMD_TRANSLATOR_PASS(TIOCPKT)
+
+	IOC_CMD_TRANSLATOR_FILTER(TCSETS,		ict_tcsets)
+	IOC_CMD_TRANSLATOR_FILTER(TCSETSW,		ict_tcsets)
+	IOC_CMD_TRANSLATOR_FILTER(TCSETSF,		ict_tcsets)
+	IOC_CMD_TRANSLATOR_FILTER(TCSETA,		ict_tcseta)
+	IOC_CMD_TRANSLATOR_FILTER(TCSETAW,		ict_tcseta)
+	IOC_CMD_TRANSLATOR_FILTER(TCSETAF,		ict_tcseta)
+	IOC_CMD_TRANSLATOR_FILTER(TCGETS,		ict_tcgets)
+	IOC_CMD_TRANSLATOR_FILTER(TCGETA,		ict_tcgeta)
+	IOC_CMD_TRANSLATOR_FILTER(TIOCGWINSZ,		ict_tiocgwinsz)
+	IOC_CMD_TRANSLATOR_CUSTOM(LX_TCSBRKP,		ict_tcsbrkp)
+	IOC_CMD_TRANSLATOR_FILTER(TIOCSPGRP,		ict_tiocspgrp)
+	IOC_CMD_TRANSLATOR_FILTER(TIOCGPGRP,		ict_tiocgpgrp)
+	IOC_CMD_TRANSLATOR_CUSTOM(LX_TIOCSPTLCK,	ict_sptlock)
+	IOC_CMD_TRANSLATOR_CUSTOM(LX_TIOCGPTN,		ict_gptn)
+	IOC_CMD_TRANSLATOR_FILTER(TIOCSCTTY,		ict_tiocsctty)
+
+	/* socket related */
+	IOC_CMD_TRANSLATOR_PASS(SIOCSPGRP)
+	IOC_CMD_TRANSLATOR_PASS(SIOCGPGRP)
+	IOC_CMD_TRANSLATOR_PASS(SIOCGSTAMP)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCATMARK,		ict_siocatmark)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCGIFFLAGS,		ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCSIFFLAGS,		ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCGIFADDR,		ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCSIFADDR,		ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCGIFDSTADDR,	ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCSIFDSTADDR,	ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCGIFBRDADDR,	ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCSIFBRDADDR,	ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCGIFNETMASK,	ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCSIFNETMASK,	ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCGIFMETRIC,	ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCSIFMETRIC,	ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCGIFMTU,		ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCSIFMTU,		ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCGIFHWADDR,	ict_siolifreq)
+	IOC_CMD_TRANSLATOR_CUSTOM(LX_SIOCSIFHWADDR,	ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCGIFINDEX,		ict_siolifreq)
+	IOC_CMD_TRANSLATOR_CUSTOM(LX_SIOCGIFTXQLEN,	ict_siolifreq)
+	IOC_CMD_TRANSLATOR_FILTER(SIOCGIFCONF,		ict_siocgifconf)
+
+	/* dtrace related */
+	IOC_CMD_TRANSLATOR_PTHRU(DTRACEHIOC_ADD)
+	IOC_CMD_TRANSLATOR_PTHRU(DTRACEHIOC_REMOVE)
+	IOC_CMD_TRANSLATOR_PTHRU(DTRACEHIOC_ADDDOF)
+
+	IOC_CMD_TRANSLATOR_END
+};
+
+static void
+lx_ioctl_vsd_free(void *data)
+{
+	kmem_free(data, sizeof (struct lx_cc));
+}
+
+void
+lx_ioctl_init()
+{
+	vsd_create(&lx_ioctl_vsd, lx_ioctl_vsd_free);
+}
+
+void
+lx_ioctl_fini()
+{
+	vsd_destroy(&lx_ioctl_vsd);
+}
+
+long
+lx_ioctl(int fdes, int cmd, intptr_t arg)
+{
+	file_t *fp;
+	int res = 0;
+	ioc_cmd_translator_t *ict;
+
+	if (cmd == LX_FIOCLEX || cmd == LX_FIONCLEX) {
+		res = f_setfd_error(fdes, (cmd == LX_FIOCLEX) ? FD_CLOEXEC : 0);
+		return ((res != 0) ? set_errno(res) : 0);
+	}
+
+	if ((fp = getf(fdes)) == NULL)
+		return (set_errno(EBADF));
+
+	/*
+	 * Today, none of the ioctls supported by the emulation possess
+	 * overlapping cmd values.  Because of that, no type interrogation of
+	 * the fd is done before executing specific ioctl emulation.  It's
+	 * assumed that the vnode-specific logic called by the emulation
+	 * function will reject ioctl commands not supported by the fd.
+	 */
+	ict = ioc_translators;
+	while (ict->ict_func != NULL) {
+		if (ict->ict_lxcmd == cmd)
+			break;
+		ict++;
+	}
+
+	if (ict->ict_func != NULL) {
+		res = ict->ict_func(fp, ict->ict_cmd, arg, ict->ict_lxcmd);
+	} else {
+		res = set_errno(EINVAL);
+	}
+
+	releasef(fdes);
+	return (res);
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_kill.c b/usr/src/uts/common/brand/lx/syscall/lx_kill.c
new file mode 100644
index 0000000000..f6830f5a07
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_kill.c
@@ -0,0 +1,397 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+
+
+
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/proc.h>
+#include <sys/zone.h>
+#include <sys/thread.h>
+#include <sys/signal.h>
+#include <sys/brand.h>
+#include <sys/lx_brand.h>
+#include <lx_signum.h>
+#include <sys/contract/process_impl.h>
+
+extern int kill(pid_t, int);
+
+/*
+ * Check if it is legal to send this signal to the init process.  Linux
+ * kill(2) semantics dictate that no _unhandled_ signal may be sent to pid
+ * 1.
+ */
+static int
+init_sig_check(int sig, pid_t pid)
+{
+	proc_t *p;
+	int rv = 0;
+
+	mutex_enter(&pidlock);
+
+	if (((p = prfind(pid)) == NULL) || (p->p_stat == SIDL))
+		rv = ESRCH;
+	else if (sig && (sigismember(&cantmask, sig) ||
+	    (PTOU(p)->u_signal[sig-1] == SIG_DFL) ||
+	    (PTOU(p)->u_signal[sig-1] == SIG_IGN)))
+		rv = EPERM;
+
+	mutex_exit(&pidlock);
+
+	return (rv);
+}
+
+static long
+lx_thrkill(pid_t tgid, pid_t pid, int lx_sig, boolean_t tgkill)
+{
+	kthread_t *t;
+	proc_t *pp, *cp = curproc;
+	pid_t initpid;
+	sigqueue_t *sqp;
+	int tid = 1;	/* default tid */
+	int sig, rv;
+
+	/*
+	 * Unlike kill(2), Linux tkill(2) doesn't allow signals to
+	 * be sent to process IDs <= 0 as it doesn't overlay any special
+	 * semantics on the pid.
+	 */
+	if ((pid <= 0) || ((lx_sig < 0) || (lx_sig > LX_NSIG)) ||
+	    ((sig = ltos_signo[lx_sig]) < 0))
+		return (set_errno(EINVAL));
+
+	/*
+	 * If the Linux pid is 1, translate the pid to the actual init
+	 * pid for the zone.  Note that Linux dictates that no unhandled
+	 * signals may be sent to init, so check for that, too.
+	 *
+	 * Otherwise, extract the tid and real pid from the Linux pid.
+	 */
+	initpid = cp->p_zone->zone_proc_initpid;
+	if (pid == 1)
+		pid = initpid;
+	if ((pid == initpid) && ((rv = init_sig_check(sig, pid)) != 0))
+		return (set_errno(rv));
+	else if (lx_lpid_to_spair(pid, &pid, &tid) < 0)
+		return (set_errno(ESRCH));
+
+	if (tgkill && tgid != pid)
+		return (set_errno(ESRCH));
+
+	sqp = kmem_zalloc(sizeof (sigqueue_t), KM_SLEEP);
+
+	/*
+	 * Find the process for the passed pid...
+	 */
+	mutex_enter(&pidlock);
+	if (((pp = prfind(pid)) == NULL) || (pp->p_stat == SIDL)) {
+		mutex_exit(&pidlock);
+		rv = set_errno(ESRCH);
+		goto free_and_exit;
+	}
+	mutex_enter(&pp->p_lock);
+	mutex_exit(&pidlock);
+
+	/*
+	 * Deny permission to send the signal if either of the following
+	 * is true:
+	 *
+	 *	+ The signal is SIGCONT and the target pid is not in the same
+	 *	  session as the sender
+	 *
+	 *	+ prochasprocperm() shows the user lacks sufficient permission
+	 *	  to send the signal to the target pid
+	 */
+	if (((sig == SIGCONT) && (pp->p_sessp != cp->p_sessp)) ||
+	    (!prochasprocperm(pp, cp, CRED()))) {
+		mutex_exit(&pp->p_lock);
+		rv = set_errno(EPERM);
+		goto free_and_exit;
+	}
+
+	/* check for the tid */
+	if ((t = idtot(pp, tid)) == NULL) {
+		mutex_exit(&pp->p_lock);
+		rv = set_errno(ESRCH);
+		goto free_and_exit;
+	}
+
+	/* a signal of 0 means just check for the existence of the thread */
+	if (lx_sig == 0) {
+		mutex_exit(&pp->p_lock);
+		rv = 0;
+		goto free_and_exit;
+	}
+
+	sqp->sq_info.si_signo = sig;
+	sqp->sq_info.si_code = SI_LWP;
+	sqp->sq_info.si_pid = cp->p_pid;
+	sqp->sq_info.si_zoneid = getzoneid();
+	sqp->sq_info.si_uid = crgetruid(CRED());
+	sigaddqa(pp, t, sqp);
+
+	mutex_exit(&pp->p_lock);
+
+	return (0);
+
+free_and_exit:
+	kmem_free(sqp, sizeof (sigqueue_t));
+	return (rv);
+}
+
+long
+lx_tgkill(pid_t tgid, pid_t pid, int lx_sig)
+{
+	return (lx_thrkill(tgid, pid, lx_sig, B_TRUE));
+}
+
+long
+lx_tkill(pid_t pid, int lx_sig)
+{
+	return (lx_thrkill(0, pid, lx_sig, B_FALSE));
+}
+
+long
+lx_kill(pid_t lx_pid, int lx_sig)
+{
+	pid_t s_pid, initpid;
+	sigsend_t v;
+	zone_t *zone = curproc->p_zone;
+	struct proc *p;
+	int err, sig, nfound;
+
+	if ((lx_sig < 0) || (lx_sig > LX_NSIG) ||
+	    ((sig = ltos_signo[lx_sig]) < 0))
+		return (set_errno(EINVAL));
+
+	/*
+	 * Since some linux apps rely on init(1M) having PID 1, we
+	 * transparently translate 1 to the real init(1M)'s pid.  We then
+	 * check to be sure that it is legal for this process to send this
+	 * signal to init(1M).
+	 */
+	initpid = zone->zone_proc_initpid;
+	if (lx_pid == 1 || lx_pid == -1) {
+		s_pid = initpid;
+	} else if (lx_pid == 0) {
+		s_pid = 0;
+	} else if (lx_pid > 0) {
+		if (lx_lpid_to_spair(lx_pid, &s_pid, NULL) != 0) {
+			/*
+			 * If we didn't find this pid that means it doesn't
+			 * exist in this zone.
+			 */
+			return (set_errno(ESRCH));
+		}
+	} else {
+		ASSERT(lx_pid < 0);
+		if (lx_lpid_to_spair(-lx_pid, &s_pid, NULL) != 0) {
+			/*
+			 * If we didn't find this pid it means that the
+			 * process group leader doesn't exist in this zone.
+			 * In this case assuming that the Linux pid is
+			 * the same as the Solaris pid will get us the
+			 * correct behavior.
+			 */
+			s_pid = -lx_pid;
+		}
+	}
+
+	if ((s_pid == initpid) && ((err = init_sig_check(sig, s_pid)) != 0))
+		return (set_errno(err));
+
+	/*
+	 * For individual processes, kill() semantics are the same between
+	 * Solaris and Linux.
+	 */
+	if (lx_pid >= 0)
+		return (kill(s_pid, sig));
+
+	/*
+	 * In Solaris, sending a signal to -pid means "send a signal to
+	 * everyone in process group pid."  In Linux it means "send a
+	 * signal to everyone in the group other than init."  Sending a
+	 * signal to -1 means "send a signal to every process except init
+	 * and myself."
+	 */
+
+	bzero(&v, sizeof (v));
+	v.sig = sig;
+	v.checkperm = 1;
+	v.sicode = SI_USER;
+	err = 0;
+
+	mutex_enter(&pidlock);
+
+	p = (lx_pid == -1) ? practive : pgfind(s_pid);
+	nfound = 0;
+	while (err == 0 && p != NULL) {
+		if ((p->p_zone == zone) && (p->p_stat != SIDL) &&
+		    (p->p_pid != initpid) && (lx_pid < -1 || p != curproc)) {
+			nfound++;
+			err = sigsendproc(p, &v);
+		}
+
+		p = (lx_pid == -1) ? p->p_next : p->p_pglink;
+	}
+	mutex_exit(&pidlock);
+	if (nfound == 0)
+		err = ESRCH;
+	else if (err == 0 && v.perm == 0)
+		err = EPERM;
+	return (err ? set_errno(err) : 0);
+}
+
+/*
+ * This handles the unusual case where the user sends a non-queueable signal
+ * through rt_sigqueueinfo. Signals sent with codes that indicate they are
+ * queuable are sent through the sigqueue syscall via the user level function
+ * lx_rt_sigqueueinfo().
+ */
+int
+lx_helper_rt_sigqueueinfo(pid_t tgid, int sig, siginfo_t *uinfo)
+{
+	proc_t *target_proc;
+	pid_t s_pid;
+	zone_t *zone = curproc->p_zone;
+	sigsend_t send;
+	int err;
+	siginfo_t kinfo;
+
+	if (copyin(uinfo, &kinfo, sizeof (siginfo_t)) != 0)
+		return (set_errno(EFAULT));
+	/* Unlike in lx_kill, this process id must be exact, no negatives. */
+	if (tgid == 0)
+		return (set_errno(ESRCH));
+	if (tgid < 0)
+		return (set_errno(EINVAL));
+	/*
+	 * Translate init directly, otherwise use the convenient utility
+	 * function to translate. Since we're sending to the whole group, we
+	 * only need the solaris pid, and not the lwp id.
+	 */
+	if (tgid == 1) {
+		s_pid = zone->zone_proc_initpid;
+	} else {
+		if (lx_lpid_to_spair(tgid, &s_pid, NULL) != 0) {
+			/*
+			 * If we didn't find this pid that means it doesn't
+			 * exist in this zone.
+			 */
+			return (set_errno(ESRCH));
+		}
+	}
+	/*
+	 * We shouldn't have queuable signals here, those are sent elsewhere by
+	 * the usermode handler for this emulated call.
+	 */
+	if (!SI_CANQUEUE(kinfo.si_code)) {
+		return (set_errno(EINVAL));
+	}
+	/* Since our signal shouldn't queue, we just call sigsendproc(). */
+	bzero(&send, sizeof (send));
+	send.sig = sig;
+	send.checkperm = 1;
+	send.sicode = kinfo.si_code;
+	send.value = kinfo.si_value;
+
+	mutex_enter(&pidlock);
+	target_proc = prfind(s_pid);
+	err = 0;
+	if (target_proc != NULL) {
+		err = sigsendproc(target_proc, &send);
+		if (err == 0 && send.perm == 0)
+			err = EPERM;
+	} else {
+		err = ESRCH;
+	}
+	mutex_exit(&pidlock);
+
+	return (err ? set_errno(err) : 0);
+}
+
+/*
+ * Unlike the above function, this handles all system calls to rt_tgsigqueue
+ * regardless of si_code.
+ */
+int
+lx_helper_rt_tgsigqueueinfo(pid_t tgid, pid_t tid, int sig, siginfo_t *uinfo)
+{
+	id_t s_tid;
+	pid_t s_pid;
+	proc_t *target_proc;
+	sigqueue_t *sqp;
+	kthread_t *t;
+	siginfo_t kinfo;
+
+	if (copyin(uinfo, &kinfo, sizeof (siginfo_t)) != 0)
+		return (set_errno(EFAULT));
+	if (lx_lpid_to_spair(tid, &s_pid, &s_tid) != 0)
+		return (set_errno(ESRCH));
+	/*
+	 * For group leaders, solaris pid == linux pid, so the solaris leader
+	 * pid should be the same as the tgid.
+	 */
+	ASSERT(s_pid == tgid);
+
+	mutex_enter(&pidlock);
+	target_proc = prfind(s_pid);
+	if (target_proc != NULL)
+		mutex_enter(&target_proc->p_lock);
+	mutex_exit(&pidlock);
+
+	if (target_proc == NULL) {
+		return (set_errno(ESRCH));
+	}
+	if (sig < 0 || sig >= NSIG)
+		return (set_errno(EINVAL));
+
+	/*
+	 * Some code adapted from lwp_kill, duplicated here because we do some
+	 * customization to the sq_info field of sqp.
+	 */
+	if ((t = idtot(target_proc, s_tid)) == NULL) {
+		mutex_exit(&target_proc->p_lock);
+		return (set_errno(ESRCH));
+	}
+	/* Just checking for existence of the process, not sending a signal. */
+	if (sig == 0) {
+		mutex_exit(&target_proc->p_lock);
+		return (0);
+	}
+	sqp = kmem_zalloc(sizeof (sigqueue_t), KM_SLEEP);
+	sqp->sq_info.si_signo = sig;
+	sqp->sq_info.si_code = kinfo.si_code;
+	sqp->sq_info.si_pid = target_proc->p_pid;
+	sqp->sq_info.si_ctid = PRCTID(target_proc);
+	sqp->sq_info.si_zoneid = getzoneid();
+	sqp->sq_info.si_uid = crgetruid(CRED());
+	sigaddqa(target_proc, t, sqp);
+	mutex_exit(&target_proc->p_lock);
+	return (0);
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_mkdir.c b/usr/src/uts/common/brand/lx/syscall/lx_mkdir.c
new file mode 100644
index 0000000000..2f29f56d5f
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_mkdir.c
@@ -0,0 +1,38 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/fcntl.h>
+#include <sys/lx_fcntl.h>
+
+/*
+ * From "uts/common/syscall/mkdir.c":
+ */
+extern int mkdirat(int, char *, int);
+
+long
+lx_mkdirat(int fd, char *dname, int dmode)
+{
+	if (fd == LX_AT_FDCWD) {
+		fd = AT_FDCWD;
+	}
+
+	return (mkdirat(fd, dname, dmode));
+}
+
+long
+lx_mkdir(char *dname, int dmode)
+{
+	return (mkdirat(AT_FDCWD, dname, dmode));
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_modify_ldt.c b/usr/src/uts/common/brand/lx/syscall/lx_modify_ldt.c
new file mode 100644
index 0000000000..aa6e12a7d8
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_modify_ldt.c
@@ -0,0 +1,121 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/segments.h>
+#include <sys/archsystm.h>
+#include <sys/proc.h>
+#include <sys/sysi86.h>
+#include <sys/cmn_err.h>
+#include <sys/lx_ldt.h>
+
+/*
+ * Read the ldt_info structure in from the Linux app, convert it to an ssd
+ * structure, and then call setdscr() to do all the heavy lifting.
+ */
+static int
+write_ldt(void *data, ulong_t count)
+{
+	user_desc_t usd;
+	struct ssd ssd;
+	struct ldt_info ldt_inf;
+	proc_t *pp = curthread->t_procp;
+	int err;
+
+	if (count != sizeof (ldt_inf))
+		return (set_errno(EINVAL));
+
+	if (copyin(data, &ldt_inf, sizeof (ldt_inf)))
+		return (set_errno(EFAULT));
+
+	if (ldt_inf.entry_number >= MAXNLDT)
+		return (set_errno(EINVAL));
+
+	LDT_INFO_TO_DESC(&ldt_inf, &usd);
+	usd_to_ssd(&usd, &ssd, SEL_LDT(ldt_inf.entry_number));
+
+	/*
+	 * Get everyone into a safe state before changing the LDT.
+	 */
+	if (!holdlwps(SHOLDFORK1))
+		return (set_errno(EINTR));
+
+	err = setdscr(&ssd);
+
+	/*
+	 * Release the hounds!
+	 */
+	mutex_enter(&pp->p_lock);
+	continuelwps(pp);
+	mutex_exit(&pp->p_lock);
+
+	return (err ? set_errno(err) : 0);
+}
+
+static int
+read_ldt(void *uptr, ulong_t count)
+{
+	proc_t *pp = curproc;
+	int bytes;
+
+	if (pp->p_ldt == NULL)
+		return (0);
+
+	bytes = (pp->p_ldtlimit + 1) * sizeof (user_desc_t);
+	if (bytes > count)
+		bytes = count;
+
+	if (copyout(pp->p_ldt, uptr, bytes))
+		return (set_errno(EFAULT));
+
+	return (bytes);
+}
+
+long
+lx_modify_ldt(int op, void *data, ulong_t count)
+{
+	int rval;
+
+	switch (op) {
+	case 0:
+		rval = read_ldt(data, count);
+		break;
+
+	case 1:
+		rval = write_ldt(data, count);
+		break;
+
+	default:
+		rval = set_errno(ENOSYS);
+		break;
+	}
+
+	return (rval);
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_open.c b/usr/src/uts/common/brand/lx/syscall/lx_open.c
new file mode 100644
index 0000000000..3e13cef54f
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_open.c
@@ -0,0 +1,221 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/systm.h>
+#include <sys/fcntl.h>
+#include <sys/filio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/inttypes.h>
+
+#include <sys/lx_types.h>
+#include <sys/lx_fcntl.h>
+#include <sys/lx_misc.h>
+
+extern int fcntl(int, int, intptr_t);
+extern int openat(int, char *, int, int);
+extern int open(char *, int, int);
+extern int close(int);
+extern int ioctl(int, int, intptr_t);
+extern int lookupnameat(char *, enum uio_seg, int, vnode_t **, vnode_t **,
+    vnode_t *);
+
+static int
+ltos_open_flags(uintptr_t p2)
+{
+	int flags;
+
+	if ((p2 & O_ACCMODE) == LX_O_RDONLY)
+		flags = O_RDONLY;
+	else if ((p2 & O_ACCMODE) == LX_O_WRONLY)
+		flags = O_WRONLY;
+	else
+		flags = O_RDWR;
+
+	if (p2 & LX_O_CREAT) {
+		flags |= O_CREAT;
+	}
+
+	if (p2 & LX_O_EXCL)
+		flags |= O_EXCL;
+	if (p2 & LX_O_NOCTTY)
+		flags |= O_NOCTTY;
+	if (p2 & LX_O_TRUNC)
+		flags |= O_TRUNC;
+	if (p2 & LX_O_APPEND)
+		flags |= O_APPEND;
+	if (p2 & LX_O_NONBLOCK)
+		flags |= O_NONBLOCK;
+	if (p2 & LX_O_SYNC)
+		flags |= O_SYNC;
+	if (p2 & LX_O_LARGEFILE)
+		flags |= O_LARGEFILE;
+	if (p2 & LX_O_NOFOLLOW)
+		flags |= O_NOFOLLOW;
+	if (p2 & LX_O_CLOEXEC)
+		flags |= O_CLOEXEC;
+
+	/*
+	 * Linux uses the LX_O_DIRECT flag to do raw, synchronous I/O to the
+	 * device backing the fd in question.  Illumos doesn't have similar
+	 * functionality, but we can attempt to simulate it using the flags
+	 * (O_RSYNC|O_SYNC) and directio(3C).
+	 *
+	 * The LX_O_DIRECT flag also requires that the transfer size and
+	 * alignment of I/O buffers be a multiple of the logical block size for
+	 * the underlying file system, but frankly there isn't an easy way to
+	 * support that functionality without doing something like adding an
+	 * fcntl(2) flag to denote LX_O_DIRECT mode.
+	 *
+	 * Since LX_O_DIRECT is merely a performance advisory, we'll just
+	 * emulate what we can and trust that the only applications expecting
+	 * an error when performing I/O from a misaligned buffer or when
+	 * passing a transfer size is not a multiple of the underlying file
+	 * system block size will be test suites.
+	 */
+	if (p2 & LX_O_DIRECT)
+		flags |= (O_RSYNC|O_SYNC);
+
+	return (flags);
+}
+
+static int
+lx_open_postprocess(int fd, int fmode)
+{
+	if (fmode & LX_O_DIRECT) {
+		(void) ioctl(fd, _FIODIRECTIO, DIRECTIO_ON);
+	}
+
+	/*
+	 * Set the ASYNC flag if passsed.
+	 */
+	if (fmode & LX_O_ASYNC) {
+		int res;
+
+		if ((res = fcntl(fd, F_SETFL, FASYNC)) != 0) {
+			(void) close(fd);
+			return (res);
+		}
+	}
+
+	return (fd);
+}
+
+long
+lx_openat(int atfd, char *path, int fmode, int cmode)
+{
+	int flags, fd;
+	mode_t mode = 0;
+
+	if (atfd == LX_AT_FDCWD)
+		atfd = AT_FDCWD;
+
+	flags = ltos_open_flags(fmode);
+
+	/*
+	 * We use the FSEARCH flag to make sure this is a directory. We have to
+	 * explicitly add 1 to emulate the FREAD/FWRITE mapping of the OPENMODE
+	 * macro since it won't get set via OPENMODE when FSEARCH is used.
+	 */
+	if (fmode & LX_O_DIRECTORY) {
+		flags |= FSEARCH;
+		flags++;
+	}
+
+	if (flags & O_CREAT)
+		mode = (mode_t)cmode;
+
+	ttolwp(curthread)->lwp_errno = 0;
+	fd = openat(atfd, path, flags, mode);
+	if (ttolwp(curthread)->lwp_errno != 0) {
+		if ((fmode & LX_O_DIRECTORY) &&
+		    ttolwp(curthread)->lwp_errno != ENOTDIR) {
+			/*
+			 * We got an error trying to open a file as a directory.
+			 * We need to determine if we should return the original
+			 * error or ENOTDIR.
+			 */
+			vnode_t *startvp;
+			vnode_t *vp;
+			int oerror, error = 0;
+
+			oerror = ttolwp(curthread)->lwp_errno;
+
+			if (atfd == AT_FDCWD) {
+				/* regular open */
+				startvp = NULL;
+			} else {
+				char startchar;
+
+				if (copyin(path, &startchar, sizeof (char)))
+					return (set_errno(oerror));
+
+				/* if startchar is / then startfd is ignored */
+				if (startchar == '/') {
+					startvp = NULL;
+				} else {
+					file_t *startfp;
+
+					if ((startfp = getf(atfd)) == NULL)
+						return (set_errno(oerror));
+					startvp = startfp->f_vnode;
+					VN_HOLD(startvp);
+					releasef(atfd);
+				}
+			}
+
+			if (lookupnameat(path, UIO_USERSPACE,
+			    (fmode & LX_O_NOFOLLOW) ?  NO_FOLLOW : FOLLOW,
+			    NULLVPP, &vp, startvp) != 0) {
+				if (startvp != NULL)
+					VN_RELE(startvp);
+				return (set_errno(oerror));
+			}
+
+			if (startvp != NULL)
+				VN_RELE(startvp);
+
+			if (vp->v_type != VDIR)
+				error = ENOTDIR;
+
+			VN_RELE(vp);
+			if (error != 0)
+				return (set_errno(ENOTDIR));
+
+			set_errno(oerror);
+		}
+		return (ttolwp(curthread)->lwp_errno);
+	}
+
+	return (lx_open_postprocess(fd, fmode));
+}
+
+long
+lx_open(char *path, int fmode, int cmode)
+{
+	return (lx_openat(LX_AT_FDCWD, path, fmode, cmode));
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_pipe.c b/usr/src/uts/common/brand/lx/syscall/lx_pipe.c
new file mode 100644
index 0000000000..fe354a8d54
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_pipe.c
@@ -0,0 +1,202 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T. All Rights Reserved.
+ *
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2013 OmniTI Computer Consulting, Inc. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/zone.h>
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/thread.h>
+#include <sys/cpuvar.h>
+#include <sys/cred.h>
+#include <sys/user.h>
+#include <sys/vnode.h>
+#include <sys/file.h>
+#include <sys/stream.h>
+#include <sys/strsubr.h>
+#include <sys/errno.h>
+#include <sys/debug.h>
+#include <sys/fs/fifonode.h>
+#include <sys/fcntl.h>
+#include <sys/brand.h>
+#include <sys/lx_brand.h>
+
+#define	LX_O_NONBLOCK	04000
+#define	LX_O_CLOEXEC	02000000
+
+/*
+ * Based on native pipe(2) system call, except that the pipe is half-duplex.
+ */
+static int
+lx_hd_pipe(intptr_t arg, int flags)
+{
+	vnode_t *vp1, *vp2;
+	struct file *fp1, *fp2;
+	int error = 0;
+	int flag1, flag2, iflags;
+	int fd1, fd2;
+
+	/*
+	 * Validate allowed flags.
+	 */
+	if ((flags & ~(FCLOEXEC|FNONBLOCK)) != 0) {
+		return (set_errno(EINVAL));
+	}
+	/*
+	 * Allocate and initialize two vnodes.
+	 */
+	makepipe(&vp1, &vp2);
+
+	/*
+	 * Allocate and initialize two file table entries and two
+	 * file pointers. The first file pointer is open for read and the
+	 * second is open for write.
+	 */
+	if ((error = falloc(vp1, FREAD, &fp1, &fd1)) != 0) {
+		VN_RELE(vp1);
+		VN_RELE(vp2);
+		return (set_errno(error));
+	}
+
+	if ((error = falloc(vp2, FWRITE, &fp2, &fd2)) != 0)
+		goto out2;
+
+	/*
+	 * Create two stream heads and attach to each vnode.
+	 */
+	if ((error = fifo_stropen(&vp1, FREAD, fp1->f_cred, 0, 0)) != 0)
+		goto out;
+
+	if ((error = fifo_stropen(&vp2, FWRITE, fp2->f_cred, 0, 0)) != 0) {
+		(void) VOP_CLOSE(vp1, FREAD, 1, (offset_t)0,
+		    fp1->f_cred, NULL);
+		goto out;
+	}
+
+	strmate(vp1, vp2);
+
+	VTOF(vp1)->fn_ino = VTOF(vp2)->fn_ino = fifogetid();
+
+	/*
+	 * Set the O_NONBLOCK flag if requested.
+	 */
+	if (flags & FNONBLOCK) {
+		flag1 = fp1->f_flag;
+		flag2 = fp2->f_flag;
+		iflags = flags & FNONBLOCK;
+
+		if ((error = VOP_SETFL(vp1, flag1, iflags, fp1->f_cred,
+		    NULL)) != 0) {
+			goto out_vop_close;
+		}
+		fp1->f_flag |= iflags;
+
+		if ((error = VOP_SETFL(vp2, flag2, iflags, fp2->f_cred,
+		    NULL)) != 0) {
+			goto out_vop_close;
+		}
+		fp2->f_flag |= iflags;
+	}
+
+	/*
+	 * Return the file descriptors to the user. They now
+	 * point to two different vnodes which have different
+	 * stream heads.
+	 */
+	if (copyout(&fd1, &((int *)arg)[0], sizeof (int)) ||
+	    copyout(&fd2, &((int *)arg)[1], sizeof (int))) {
+		error = EFAULT;
+		goto out_vop_close;
+	}
+
+	/*
+	 * Now fill in the entries that falloc reserved
+	 */
+	mutex_exit(&fp1->f_tlock);
+	mutex_exit(&fp2->f_tlock);
+	setf(fd1, fp1);
+	setf(fd2, fp2);
+
+	/*
+	 * Optionally set the FCLOEXEC flag
+	 */
+	if ((flags & FCLOEXEC) != 0) {
+		f_setfd(fd1, FD_CLOEXEC);
+		f_setfd(fd2, FD_CLOEXEC);
+	}
+
+	return (0);
+out_vop_close:
+	(void) VOP_CLOSE(vp1, FREAD, 1, (offset_t)0, fp1->f_cred, NULL);
+	(void) VOP_CLOSE(vp2, FWRITE, 1, (offset_t)0, fp2->f_cred, NULL);
+out:
+	setf(fd2, NULL);
+	unfalloc(fp2);
+out2:
+	setf(fd1, NULL);
+	unfalloc(fp1);
+	VN_RELE(vp1);
+	VN_RELE(vp2);
+	return (set_errno(error));
+}
+
+/*
+ * pipe(2) system call.
+ */
+long
+lx_pipe(intptr_t arg)
+{
+	return (lx_hd_pipe(arg, 0));
+}
+
+/*
+ * pipe2(2) system call.
+ */
+long
+lx_pipe2(intptr_t arg, int lxflags)
+{
+	int flags = 0;
+
+	/*
+	 * Validate allowed flags.
+	 */
+	if ((lxflags & ~(LX_O_NONBLOCK | LX_O_CLOEXEC)) != 0) {
+		return (set_errno(EINVAL));
+	}
+
+	/*
+	 * Convert from Linux flags to illumos flags.
+	 */
+	if (lxflags & LX_O_NONBLOCK) {
+		flags |= FNONBLOCK;
+	}
+	if (lxflags & LX_O_CLOEXEC) {
+		flags |= FCLOEXEC;
+	}
+
+	return (lx_hd_pipe(arg, flags));
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_rlimit.c b/usr/src/uts/common/brand/lx/syscall/lx_rlimit.c
new file mode 100644
index 0000000000..6581ead25b
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_rlimit.c
@@ -0,0 +1,575 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/systm.h>
+#include <sys/thread.h>
+#include <sys/zone.h>
+#include <sys/cpuvar.h>
+#include <sys/cmn_err.h>
+#include <sys/lx_impl.h>
+#include <sys/lx_brand.h>
+
+#define	LX_RLIMIT_CPU		0
+#define	LX_RLIMIT_FSIZE		1
+#define	LX_RLIMIT_DATA		2
+#define	LX_RLIMIT_STACK		3
+#define	LX_RLIMIT_CORE		4
+#define	LX_RLIMIT_RSS		5
+#define	LX_RLIMIT_NPROC		6
+#define	LX_RLIMIT_NOFILE	7
+#define	LX_RLIMIT_MEMLOCK	8
+#define	LX_RLIMIT_AS		9
+#define	LX_RLIMIT_LOCKS		10	/* NA limit on locks, early 2.4 only */
+#define	LX_RLIMIT_SIGPENDING	11
+#define	LX_RLIMIT_MSGQUEUE	12
+#define	LX_RLIMIT_NICE		13	/* NA ceiling for nice */
+#define	LX_RLIMIT_RTPRIO	14	/* NA ceiling on the RT priority */
+#define	LX_RLIMIT_RTTIME	15	/* NA cpu limit for RT proc. */
+
+#define	LX_RLIMIT_NLIMITS	16
+
+#define	RCTL_INFINITE(x) \
+	((x->rcv_flagaction & RCTL_LOCAL_MAXIMAL) && \
+	(x->rcv_flagaction & RCTL_GLOBAL_INFINITE))
+
+typedef struct {
+	ulong_t	rlim_cur;
+	ulong_t	rlim_max;
+} lx_rlimit_t;
+
+typedef struct {
+	uint32_t	rlim_cur;
+	uint32_t	rlim_max;
+} lx_rlimit32_t;
+
+/*
+ * Linux supports many of the same resources that we do, but on Illumos these
+ * are rctls. Instead of using rlimit, we use rctls for all of the limits.
+ * This table is used to translate Linux rlimit keys into the Illumos legacy
+ * rlimit. We then primarily use the rctl/rlimit compatability code to
+ * manage these.
+ */
+static int l_to_r[LX_RLIMIT_NLIMITS] = {
+	RLIMIT_CPU,		/* 0 CPU */
+	RLIMIT_FSIZE,		/* 1 FSIZE */
+	RLIMIT_DATA,		/* 2 DATA */
+	RLIMIT_STACK,		/* 3 STACK */
+	RLIMIT_CORE,		/* 4 CORE */
+	-1,			/* 5 RSS */
+	-1,			/* 6 NPROC */
+	RLIMIT_NOFILE,		/* 7 NOFILE */
+	-1,			/* 8 MEMLOCK */
+	RLIMIT_AS,		/* 9 AS */
+	-1,			/* 10 LOCKS */
+	-1, 			/* 11 SIGPENDING */
+	-1, 			/* 12 MSGQUEUE */
+	-1,			/* 13 NICE */
+	-1,			/* 14 RTPRIO */
+	-1			/* 15 RTTIME */
+};
+
+/*
+ * Magic value Linux uses to indicate infinity
+ */
+#define	LX_RLIM_INFINITY_N	ULONG_MAX
+
+static void
+lx_get_rctl(char *nm, struct rlimit64 *rlp64)
+{
+	rctl_hndl_t hndl;
+	rctl_val_t *oval, *nval;
+
+	rlp64->rlim_cur = RLIM_INFINITY;
+	rlp64->rlim_max = RLIM_INFINITY;
+
+	nval = kmem_alloc(sizeof (rctl_val_t), KM_SLEEP);
+	mutex_enter(&curproc->p_lock);
+
+	hndl = rctl_hndl_lookup(nm);
+	oval = NULL;
+	while ((hndl != -1) && rctl_local_get(hndl, oval, nval, curproc) == 0) {
+		oval = nval;
+		switch (nval->rcv_privilege) {
+		case RCPRIV_BASIC:
+			if (!RCTL_INFINITE(nval))
+				rlp64->rlim_cur = nval->rcv_value;
+			break;
+		case RCPRIV_PRIVILEGED:
+			if (!RCTL_INFINITE(nval))
+				rlp64->rlim_max = nval->rcv_value;
+			break;
+		}
+	}
+
+	mutex_exit(&curproc->p_lock);
+	kmem_free(nval, sizeof (rctl_val_t));
+
+	if (rlp64->rlim_cur == RLIM_INFINITY &&
+	    rlp64->rlim_max != RLIM_INFINITY)
+		rlp64->rlim_cur = rlp64->rlim_max;
+}
+
+static int
+lx_getrlimit_common(int lx_resource, uint64_t *rlim_curp, uint64_t *rlim_maxp)
+{
+	lx_proc_data_t *pd = ptolxproc(curproc);
+	int resource;
+	int64_t cur = -1;
+	boolean_t cur_inf = B_FALSE;
+	int64_t max = -1;
+	boolean_t max_inf = B_FALSE;
+	struct rlimit64 rlim64;
+
+	if (lx_resource < 0 || lx_resource >= LX_RLIMIT_NLIMITS)
+		return (EINVAL);
+
+	switch (lx_resource) {
+	case LX_RLIMIT_LOCKS:
+		rlim64.rlim_cur = pd->l_fake_limits[LX_RLFAKE_LOCKS].rlim_cur;
+		rlim64.rlim_max = pd->l_fake_limits[LX_RLFAKE_LOCKS].rlim_max;
+		break;
+
+	case LX_RLIMIT_NICE:
+		rlim64.rlim_cur = pd->l_fake_limits[LX_RLFAKE_NICE].rlim_cur;
+		rlim64.rlim_max = pd->l_fake_limits[LX_RLFAKE_NICE].rlim_max;
+		break;
+
+	case LX_RLIMIT_RTPRIO:
+		rlim64.rlim_cur = pd->l_fake_limits[LX_RLFAKE_RTPRIO].rlim_cur;
+		rlim64.rlim_max = pd->l_fake_limits[LX_RLFAKE_RTPRIO].rlim_max;
+		break;
+
+	case LX_RLIMIT_RTTIME:
+		rlim64.rlim_cur = pd->l_fake_limits[LX_RLFAKE_RTTIME].rlim_cur;
+		rlim64.rlim_max = pd->l_fake_limits[LX_RLFAKE_RTTIME].rlim_max;
+		break;
+
+	case LX_RLIMIT_RSS:
+		/* zone.max-physical-memory */
+		rlim64.rlim_cur = rlim64.rlim_max = curzone->zone_phys_mem_ctl;
+		break;
+
+	case LX_RLIMIT_NPROC:
+		/*  zone.max-lwps */
+		rlim64.rlim_cur = rlim64.rlim_max = curzone->zone_nlwps_ctl;
+		break;
+
+	case LX_RLIMIT_MEMLOCK:
+		/* zone.max-locked-memory */
+		rlim64.rlim_cur = rlim64.rlim_max =
+		    curzone->zone_locked_mem_ctl;
+		break;
+
+	case LX_RLIMIT_SIGPENDING:
+		lx_get_rctl("process.max-sigqueue-size", &rlim64);
+		break;
+
+	case LX_RLIMIT_MSGQUEUE:
+		lx_get_rctl("process.max-msg-messages", &rlim64);
+		break;
+
+	default:
+		resource = l_to_r[lx_resource];
+
+		mutex_enter(&curproc->p_lock);
+		(void) rctl_rlimit_get(rctlproc_legacy[resource], curproc,
+		    &rlim64);
+		mutex_exit(&curproc->p_lock);
+		break;
+	}
+
+
+	if (rlim64.rlim_cur == RLIM64_INFINITY) {
+		cur = LX_RLIM_INFINITY_N;
+	} else {
+		cur = rlim64.rlim_cur;
+	}
+	if (rlim64.rlim_max == RLIM64_INFINITY) {
+		max = LX_RLIM_INFINITY_N;
+	} else {
+		max = rlim64.rlim_max;
+	}
+
+	if (lx_resource == LX_RLIMIT_STACK && cur > INT_MAX) {
+		/*
+		 * Stunningly, Linux has somehow managed to confuse the concept
+		 * of a "limit" with that of a "default" -- and the value of
+		 * RLIMIT_STACK is used by NPTL as the _default_ stack size if
+		 * it isn't specified. (!!)  Even for a system that prides
+		 * itself on slapdash castles of junk, this is an amazingly
+		 * willful act of incompetence -- and one that is gleefully
+		 * confessed in the pthread_create() man page: "if the
+		 * RLIMIT_STACK soft resource limit at the time the program
+		 * started has any value other than 'unlimited', then it
+		 * determines the default stack size of new threads."  A
+		 * typical stack limit for us is 32TB; if it needs to be said,
+		 * setting the default stack size to be 32TB doesn't work so
+		 * well!  Of course, glibc dropping a deuce in its pants
+		 * becomes our problem -- so to prevent smelly accidents we
+		 * tell Linux that any stack limit over the old (32-bit) values
+		 * for infinity are just infinitely large.
+		 */
+		cur_inf = B_TRUE;
+		max_inf = B_TRUE;
+	}
+
+	if (cur_inf) {
+		*rlim_curp = LX_RLIM64_INFINITY;
+	} else {
+		*rlim_curp = cur;
+	}
+
+	if (max_inf) {
+		*rlim_maxp = LX_RLIM64_INFINITY;
+	} else {
+		*rlim_maxp = max;
+	}
+
+	return (0);
+}
+
+/*
+ * This is the 'new' getrlimit, variously called getrlimit or ugetrlimit
+ * in Linux headers and code.  The only difference between this and the old
+ * getrlimit (variously called getrlimit or old_getrlimit) is the value of
+ * RLIM_INFINITY, which is smaller for the older version.  Modern code will
+ * use this version by default.
+ */
+long
+lx_getrlimit(int resource, lx_rlimit_t *rlp)
+{
+	int rv;
+	lx_rlimit_t rl;
+	uint64_t rlim_cur, rlim_max;
+
+	rv = lx_getrlimit_common(resource, &rlim_cur, &rlim_max);
+	if (rv != 0)
+		return (set_errno(rv));
+
+	if (get_udatamodel() == DATAMODEL_NATIVE) {
+		if (rlim_cur == LX_RLIM64_INFINITY)
+			rl.rlim_cur = LX_RLIM_INFINITY_N;
+		else if (rlim_cur > LX_RLIM_INFINITY_N)
+			rl.rlim_cur = LX_RLIM_INFINITY_N;
+		else
+			rl.rlim_cur = (ulong_t)rlim_cur;
+
+		if (rlim_max == LX_RLIM64_INFINITY)
+			rl.rlim_max = LX_RLIM_INFINITY_N;
+		else if (rlim_max > LX_RLIM_INFINITY_N)
+			rl.rlim_max = LX_RLIM_INFINITY_N;
+		else
+			rl.rlim_max = (ulong_t)rlim_max;
+
+		if (copyout(&rl, rlp, sizeof (rl)) != 0)
+			return (set_errno(EFAULT));
+	}
+#ifdef _SYSCALL32_IMPL
+	else {
+		lx_rlimit32_t rl32;
+
+		if (rlim_cur > UINT_MAX)
+			rl.rlim_cur = UINT_MAX;
+		else
+			rl.rlim_cur = (ulong_t)rlim_cur;
+
+		if (rlim_max > UINT_MAX)
+			rl.rlim_max = UINT_MAX;
+		else
+			rl.rlim_max = (ulong_t)rlim_max;
+
+		rl32.rlim_cur = rl.rlim_cur;
+		rl32.rlim_max = rl.rlim_max;
+
+		if (copyout(&rl32, rlp, sizeof (rl32)) != 0)
+			return (set_errno(EFAULT));
+	}
+#endif
+
+	return (0);
+}
+
+/*
+ * This is the 'old' getrlimit, variously called getrlimit or old_getrlimit
+ * in Linux headers and code.  The only difference between this and the new
+ * getrlimit (variously called getrlimit or ugetrlimit) is the value of
+ * RLIM_INFINITY, which is smaller for the older version.
+ *
+ * This is only used for 32-bit code.
+ */
+long
+lx_oldgetrlimit(int resource, lx_rlimit_t *rlp)
+{
+	int rv;
+	lx_rlimit32_t rl32;
+	uint64_t rlim_cur, rlim_max;
+
+	rv = lx_getrlimit_common(resource, &rlim_cur, &rlim_max);
+	if (rv != 0)
+		return (set_errno(rv));
+
+	if (rlim_cur > INT_MAX)
+		rl32.rlim_cur = INT_MAX;
+	else
+		rl32.rlim_cur = (ulong_t)rlim_cur;
+
+	if (rlim_max > INT_MAX)
+		rl32.rlim_max = INT_MAX;
+	else
+		rl32.rlim_max = (ulong_t)rlim_cur;
+
+	if (copyout(&rl32, rlp, sizeof (rl32)) != 0)
+		return (set_errno(EFAULT));
+
+	return (0);
+}
+
+static int
+lx_set_rctl(char *nm, struct rlimit64 *rlp64)
+{
+	int err;
+	rctl_hndl_t hndl;
+	rctl_alloc_gp_t *gp;
+
+	gp = rctl_rlimit_set_prealloc(1);
+
+	mutex_enter(&curproc->p_lock);
+
+	hndl = rctl_hndl_lookup(nm);
+
+	/*
+	 * We're not supposed to do this but since we want all our rctls to
+	 * behave like rlimits, we take advantage of this function to set up
+	 * this way.
+	 */
+	err = rctl_rlimit_set(hndl, curproc, rlp64, gp, RCTL_LOCAL_DENY, 0,
+	    CRED());
+
+	mutex_exit(&curproc->p_lock);
+
+	rctl_prealloc_destroy(gp);
+
+	return (err);
+}
+
+static int
+lx_setrlimit_common(int lx_resource, uint64_t rlim_cur, uint64_t rlim_max)
+{
+	lx_proc_data_t *pd = ptolxproc(curproc);
+	int err;
+	int resource;
+	rctl_alloc_gp_t *gp;
+	struct rlimit64 rl64;
+
+	if (lx_resource < 0 || lx_resource >= LX_RLIMIT_NLIMITS)
+		return (EINVAL);
+
+	switch (lx_resource) {
+	case LX_RLIMIT_LOCKS:
+		pd->l_fake_limits[LX_RLFAKE_LOCKS].rlim_cur = rlim_cur;
+		pd->l_fake_limits[LX_RLFAKE_LOCKS].rlim_max = rlim_max;
+		break;
+
+	case LX_RLIMIT_NICE:
+		pd->l_fake_limits[LX_RLFAKE_NICE].rlim_cur = rlim_cur;
+		pd->l_fake_limits[LX_RLFAKE_NICE].rlim_max = rlim_max;
+		break;
+
+	case LX_RLIMIT_RTPRIO:
+		pd->l_fake_limits[LX_RLFAKE_RTPRIO].rlim_cur = rlim_cur;
+		pd->l_fake_limits[LX_RLFAKE_RTPRIO].rlim_max = rlim_max;
+		break;
+
+	case LX_RLIMIT_RTTIME:
+		pd->l_fake_limits[LX_RLFAKE_RTTIME].rlim_cur = rlim_cur;
+		pd->l_fake_limits[LX_RLFAKE_RTTIME].rlim_max = rlim_max;
+		break;
+
+	case LX_RLIMIT_RSS:
+		/*
+		 * zone.max-physical-memory
+		 * Since we're emulating the value via a zone rctl, we can't
+		 * set that from within the zone. Lie and say we set the value.
+		 */
+		break;
+
+	case LX_RLIMIT_NPROC:
+		/*
+		 * zone.max-lwps
+		 * Since we're emulating the value via a zone rctl, we can't
+		 * set that from within the zone. Lie and say we set the value.
+		 */
+		break;
+
+	case LX_RLIMIT_MEMLOCK:
+		/*
+		 * zone.max-locked-memory
+		 * Since we're emulating the value via a zone rctl, we can't
+		 * set that from within the zone. Lie and say we set the value.
+		 */
+		break;
+
+	case LX_RLIMIT_SIGPENDING:
+		/*
+		 * On Ubuntu at least, the login and sshd processes expect to
+		 * set this limit to 16k and login will fail if this fails. On
+		 * Illumos we have a system limit of 8k and normally the
+		 * privileged limit is 512. We simply pretend this works to
+		 * allow login to work.
+		 */
+		if (rlim_max > 8192)
+			return (0);
+
+		rl64.rlim_cur = rlim_cur;
+		rl64.rlim_max = rlim_max;
+		if ((err = lx_set_rctl("process.max-sigqueue-size", &rl64))
+		    != 0)
+			return (set_errno(err));
+		break;
+
+	case LX_RLIMIT_MSGQUEUE:
+		rl64.rlim_cur = rlim_cur;
+		rl64.rlim_max = rlim_max;
+		if ((err = lx_set_rctl("process.max-msg-messages", &rl64)) != 0)
+			return (set_errno(err));
+		break;
+
+	default:
+		resource = l_to_r[lx_resource];
+
+		/*
+		 * Linux limits the max number of open files to 1m and there is
+		 * a test for this.
+		 */
+		if (lx_resource == LX_RLIMIT_NOFILE && rlim_max > (1024 * 1024))
+			return (EPERM);
+
+		rl64.rlim_cur = rlim_cur;
+		rl64.rlim_max = rlim_max;
+		gp = rctl_rlimit_set_prealloc(1);
+
+		mutex_enter(&curproc->p_lock);
+		err = rctl_rlimit_set(rctlproc_legacy[resource], curproc,
+		    &rl64, gp, rctlproc_flags[resource],
+		    rctlproc_signals[resource], CRED());
+		mutex_exit(&curproc->p_lock);
+
+		rctl_prealloc_destroy(gp);
+		if (err != 0)
+			return (set_errno(err));
+		break;
+	}
+
+	return (0);
+}
+
+long
+lx_setrlimit(int resource, lx_rlimit_t *rlp)
+{
+	int rv;
+	lx_rlimit_t rl;
+	uint64_t rlim_cur, rlim_max;
+
+	if (get_udatamodel() == DATAMODEL_NATIVE) {
+		if (copyin(rlp, &rl, sizeof (rl)) != 0)
+			return (set_errno(EFAULT));
+	}
+#ifdef _SYSCALL32_IMPL
+	else {
+		lx_rlimit32_t rl32;
+
+		if (copyin(rlp, &rl32, sizeof (rl32)) != 0)
+			return (set_errno(EFAULT));
+
+		rl.rlim_cur = rl32.rlim_cur;
+		rl.rlim_max = rl32.rlim_max;
+	}
+#endif
+
+	if ((rl.rlim_max != LX_RLIM_INFINITY_N &&
+	    rl.rlim_cur == LX_RLIM_INFINITY_N) ||
+	    rl.rlim_cur > rl.rlim_max)
+		return (set_errno(EINVAL));
+
+	if (rl.rlim_cur == LX_RLIM_INFINITY_N)
+		rlim_cur = LX_RLIM64_INFINITY;
+	else
+		rlim_cur = rl.rlim_cur;
+
+	if (rl.rlim_max == LX_RLIM_INFINITY_N)
+		rlim_max = LX_RLIM64_INFINITY;
+	else
+		rlim_max = rl.rlim_max;
+
+	rv = lx_setrlimit_common(resource, rlim_cur, rlim_max);
+	if (rv != 0)
+		return (set_errno(rv));
+	return (0);
+}
+
+/*
+ * From the man page:
+ * The Linux-specific prlimit() system call combines and extends the
+ * functionality of setrlimit() and getrlimit(). It can be used to both set
+ * and get the resource limits of an arbitrary process.
+ *
+ * If pid is 0, then the call applies to the calling process.
+ */
+long
+lx_prlimit64(pid_t pid, int resource, lx_rlimit64_t *nrlp, lx_rlimit64_t *orlp)
+{
+	int rv;
+	lx_rlimit64_t nrl, orl;
+
+	if (pid != 0) {
+		/* XXX TBD if needed */
+		char buf[80];
+
+		(void) snprintf(buf, sizeof (buf),
+		    "setting prlimit %d for another process\n", resource);
+		lx_unsupported(buf);
+		return (ENOTSUP);
+	}
+
+	if (orlp != NULL) {
+		/* we first get the current limits */
+		rv = lx_getrlimit_common(resource, &orl.rlim_cur,
+		    &orl.rlim_max);
+		if (rv != 0)
+			return (set_errno(rv));
+	}
+
+	if (nrlp != NULL) {
+		if (copyin(nrlp, &nrl, sizeof (nrl)) != 0)
+			return (set_errno(EFAULT));
+
+		if ((nrl.rlim_max != LX_RLIM64_INFINITY &&
+		    nrl.rlim_cur == LX_RLIM64_INFINITY) ||
+		    nrl.rlim_cur > nrl.rlim_max)
+			return (set_errno(EINVAL));
+
+		rv = lx_setrlimit_common(resource, nrl.rlim_cur, nrl.rlim_max);
+		if (rv != 0)
+			return (set_errno(rv));
+	}
+
+	if (orlp != NULL) {
+		/* now return the original limits, if necessary */
+		if (copyout(&orl, orlp, sizeof (orl)) != 0)
+			return (set_errno(EFAULT));
+	}
+
+	return (0);
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_rw.c b/usr/src/uts/common/brand/lx/syscall/lx_rw.c
new file mode 100644
index 0000000000..b21a81da48
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_rw.c
@@ -0,0 +1,60 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/errno.h>
+#include <sys/systm.h>
+#include <sys/file.h>
+#include <sys/vnode.h>
+#include <sys/brand.h>
+#include <sys/lx_brand.h>
+
+/* uts/common/syscall/rw.c */
+extern ssize_t read(int fdes, void *cbuf, size_t count);
+extern ssize_t write(int fdes, void *cbuf, size_t count);
+
+long
+lx_read(int fd, void *buf, size_t nbyte)
+{
+	file_t *fp;
+	vtype_t t;
+
+	if ((fp = getf(fd)) == NULL)
+		return (set_errno(EBADF));
+	t = fp->f_vnode->v_type;
+	releasef(fd);
+
+	if (t == VDIR)
+		return (set_errno(EISDIR));
+
+	/*
+	 * If read(2) returns EINTR, we want to signal that restarting the
+	 * system call is acceptable:
+	 */
+	ttolxlwp(curthread)->br_syscall_restart = B_TRUE;
+
+	return (read(fd, buf, nbyte));
+}
+
+long
+lx_write(int fd, void *buf, size_t nbyte)
+{
+	/*
+	 * If write(2) returns EINTR, we want to signal that restarting the
+	 * system call is acceptable:
+	 */
+	ttolxlwp(curthread)->br_syscall_restart = B_TRUE;
+
+	return (write(fd, buf, nbyte));
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_sched.c b/usr/src/uts/common/brand/lx/syscall/lx_sched.c
new file mode 100644
index 0000000000..0def559e29
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_sched.c
@@ -0,0 +1,524 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/proc.h>
+#include <sys/cpu.h>
+#include <sys/rtpriocntl.h>
+#include <sys/tspriocntl.h>
+#include <sys/processor.h>
+#include <sys/brand.h>
+#include <sys/lx_sched.h>
+#include <sys/lx_brand.h>
+
+extern int yield();
+extern long priocntl_common(int, procset_t *, int, caddr_t, caddr_t, uio_seg_t);
+
+long
+lx_sched_yield(void)
+{
+	yield();
+
+	return (0);
+}
+
+int
+lx_sched_affinity(int cmd, uintptr_t pid, int len, uintptr_t maskp,
+    int64_t *rval)
+{
+	pid_t		s_pid;
+	id_t		s_tid;
+	kthread_t	*t = curthread;
+	lx_lwp_data_t	*lx_lwp;
+
+	if (cmd != B_GET_AFFINITY_MASK && cmd != B_SET_AFFINITY_MASK)
+		return (set_errno(EINVAL));
+
+	/*
+	 * The caller wants to know how large the mask should be.
+	 */
+	if (cmd == B_GET_AFFINITY_MASK && len == 0) {
+		*rval = sizeof (lx_affmask_t);
+		return (0);
+	}
+
+	/*
+	 * Otherwise, ensure they have a large enough mask.
+	 */
+	if (cmd == B_GET_AFFINITY_MASK && len < sizeof (lx_affmask_t)) {
+		*rval = -1;
+		return (set_errno(EINVAL));
+	}
+
+	if (pid == 0) {
+		s_pid = curproc->p_pid;
+		s_tid = curthread->t_tid;
+	} else if (lx_lpid_to_spair((pid_t)pid, &s_pid, &s_tid) == -1) {
+		return (set_errno(ESRCH));
+	}
+
+	/*
+	 * For now, we only support manipulating threads in the
+	 * same process.
+	 */
+	if (curproc->p_pid != s_pid)
+		return (set_errno(EPERM));
+
+	/*
+	 * We must hold the process lock so that the thread list
+	 * doesn't change while we're looking at it. We'll hold
+	 * the lock until we no longer reference the
+	 * corresponding lwp.
+	 */
+
+	mutex_enter(&curproc->p_lock);
+
+	do {
+		if (t->t_tid == s_tid)
+			break;
+		t = t->t_forw;
+	} while (t != curthread);
+
+	/*
+	 * If the given PID is in the current thread's process,
+	 * then we _must_ find it in the process's thread list.
+	 */
+	ASSERT(t->t_tid == s_tid);
+
+	lx_lwp = t->t_lwp->lwp_brand;
+
+	if (cmd == B_SET_AFFINITY_MASK) {
+		if (copyin_nowatch((void *)maskp, &lx_lwp->br_affinitymask,
+		    sizeof (lx_affmask_t)) != 0) {
+			mutex_exit(&curproc->p_lock);
+			return (set_errno(EFAULT));
+		}
+
+		*rval = 0;
+	} else {
+		if (copyout_nowatch(&lx_lwp->br_affinitymask, (void *)maskp,
+		    sizeof (lx_affmask_t)) != 0) {
+			mutex_exit(&curproc->p_lock);
+			return (set_errno(EFAULT));
+		}
+
+		*rval = sizeof (lx_affmask_t);
+	}
+
+	mutex_exit(&curproc->p_lock);
+	return (0);
+}
+
+long
+lx_sched_setscheduler(l_pid_t pid, int policy, struct lx_sched_param *param)
+{
+	klwp_t *lwp = ttolwp(curthread);
+	procset_t procset;
+	procset_t procset_cid;
+	pcparms_t pcparm;
+	pcinfo_t pcinfo;
+	struct lx_sched_param sched_param;
+	tsparms_t *tsp;
+	int prio, maxupri;
+	int rv;
+
+	if (pid < 0)
+		return (set_errno(ESRCH));
+
+	if ((rv = sched_setprocset(&procset, pid)))
+		return (rv);
+
+	if (copyin(param, &sched_param, sizeof (sched_param)))
+		return (set_errno(EFAULT));
+
+	prio = sched_param.lx_sched_prio;
+
+	if (policy < 0) {
+		/*
+		 * get the class id
+		 */
+		pcparm.pc_cid = PC_CLNULL;
+		(void) do_priocntlsys(PC_GETPARMS, &procset, &pcparm);
+		if (lwp->lwp_errno)
+			return (lwp->lwp_errno);
+
+		/*
+		 * get the current policy
+		 */
+		bzero(&pcinfo, sizeof (pcinfo));
+		pcinfo.pc_cid = pcparm.pc_cid;
+		(void) do_priocntlsys(PC_GETCLINFO, &procset, &pcinfo);
+		if (lwp->lwp_errno)
+			return (lwp->lwp_errno);
+
+		if (strcmp(pcinfo.pc_clname, "TS") == 0) {
+			policy = LX_SCHED_OTHER;
+		} else if (strcmp(pcinfo.pc_clname, "RT") == 0) {
+			policy = ((rtparms_t *)pcparm.pc_clparms)->rt_tqnsecs ==
+			    RT_TQINF ? LX_SCHED_FIFO : LX_SCHED_RR;
+		} else {
+			return (set_errno(EINVAL));
+		}
+	}
+
+	bzero(&pcinfo, sizeof (pcinfo));
+	bzero(&pcparm, sizeof (pcparm));
+	setprocset(&procset_cid, POP_AND, P_PID, 0, P_ALL, 0);
+	switch (policy) {
+	case LX_SCHED_FIFO:
+	case LX_SCHED_RR:
+		(void) strcpy(pcinfo.pc_clname, "RT");
+		(void) do_priocntlsys(PC_GETCID, &procset_cid, &pcinfo);
+		if (lwp->lwp_errno)
+			return (lwp->lwp_errno);
+
+		if (prio < 0 ||
+		    prio > ((rtinfo_t *)pcinfo.pc_clinfo)->rt_maxpri)
+			return (set_errno(EINVAL));
+		pcparm.pc_cid = pcinfo.pc_cid;
+		((rtparms_t *)pcparm.pc_clparms)->rt_pri = prio;
+		((rtparms_t *)pcparm.pc_clparms)->rt_tqnsecs =
+		    policy == LX_SCHED_RR ? RT_TQDEF : RT_TQINF;
+		break;
+
+	case LX_SCHED_OTHER:
+		(void) strcpy(pcinfo.pc_clname, "TS");
+		(void) do_priocntlsys(PC_GETCID, &procset_cid, &pcinfo);
+		if (lwp->lwp_errno)
+			return (lwp->lwp_errno);
+
+		maxupri = ((tsinfo_t *)pcinfo.pc_clinfo)->ts_maxupri;
+		if (prio > maxupri || prio < -maxupri)
+			return (set_errno(EINVAL));
+
+		pcparm.pc_cid = pcinfo.pc_cid;
+		tsp = (tsparms_t *)pcparm.pc_clparms;
+		tsp->ts_upri = prio;
+		tsp->ts_uprilim = TS_NOCHANGE;
+		break;
+
+	default:
+		return (set_errno(EINVAL));
+	}
+
+	/*
+	 * finally set scheduling policy and parameters
+	 */
+	(void) do_priocntlsys(PC_SETPARMS, &procset, &pcparm);
+
+	return (0);
+}
+
+long
+lx_sched_getscheduler(l_pid_t pid)
+{
+	klwp_t *lwp = ttolwp(curthread);
+	procset_t procset;
+	pcparms_t pcparm;
+	pcinfo_t pcinfo;
+	int policy;
+	int rv;
+
+	if (pid < 0)
+		return (set_errno(ESRCH));
+
+	if ((rv = sched_setprocset(&procset, pid)))
+		return (rv);
+
+	/*
+	 * get the class id
+	 */
+	pcparm.pc_cid = PC_CLNULL;
+	(void) do_priocntlsys(PC_GETPARMS, &procset, &pcparm);
+	if (lwp->lwp_errno)
+		return (lwp->lwp_errno);
+
+	/*
+	 * get the class info and identify the equivalent linux policy
+	 */
+	bzero(&pcinfo, sizeof (pcinfo));
+	pcinfo.pc_cid = pcparm.pc_cid;
+	(void) do_priocntlsys(PC_GETCLINFO, &procset, &pcinfo);
+	if (lwp->lwp_errno)
+		return (lwp->lwp_errno);
+
+	if (strcmp(pcinfo.pc_clname, "TS") == 0)
+		policy = LX_SCHED_OTHER;
+	else if (strcmp(pcinfo.pc_clname, "RT") == 0)
+		policy = ((rtparms_t *)pcparm.pc_clparms)->rt_tqnsecs ==
+		    RT_TQINF ? LX_SCHED_FIFO : LX_SCHED_RR;
+	else
+		policy = set_errno(EINVAL);
+
+	return (policy);
+}
+
+long
+lx_sched_setparam(l_pid_t pid, struct lx_sched_param *param)
+{
+	klwp_t *lwp = ttolwp(curthread);
+	procset_t procset;
+	procset_t procset_cid;
+	pcparms_t pcparm;
+	pcinfo_t pcinfo;
+	struct lx_sched_param sched_param;
+	tsparms_t *tsp;
+	int policy;
+	int prio, maxupri;
+	int rv;
+
+	if (pid < 0)
+		return (set_errno(ESRCH));
+
+	if ((rv = sched_setprocset(&procset, pid)))
+		return (rv);
+
+	if (copyin(param, &sched_param, sizeof (sched_param)))
+		return (set_errno(EFAULT));
+
+	prio = sched_param.lx_sched_prio;
+
+	/*
+	 * get the class id
+	 */
+	pcparm.pc_cid = PC_CLNULL;
+	(void) do_priocntlsys(PC_GETPARMS, &procset, &pcparm);
+	if (lwp->lwp_errno)
+		return (lwp->lwp_errno);
+
+	/*
+	 * get the current policy
+	 */
+	bzero(&pcinfo, sizeof (pcinfo));
+	pcinfo.pc_cid = pcparm.pc_cid;
+	(void) do_priocntlsys(PC_GETCLINFO, &procset, &pcinfo);
+	if (lwp->lwp_errno)
+		return (lwp->lwp_errno);
+
+	if (strcmp(pcinfo.pc_clname, "TS") == 0)
+		policy = LX_SCHED_OTHER;
+	else if (strcmp(pcinfo.pc_clname, "RT") == 0)
+		policy = ((rtparms_t *)pcparm.pc_clparms)->rt_tqnsecs ==
+		    RT_TQINF ? LX_SCHED_FIFO : LX_SCHED_RR;
+	else
+		return (set_errno(EINVAL));
+
+	bzero(&pcinfo, sizeof (pcinfo));
+	bzero(&pcparm, sizeof (pcparm));
+	setprocset(&procset_cid, POP_AND, P_PID, 0, P_ALL, 0);
+	switch (policy) {
+	case LX_SCHED_FIFO:
+	case LX_SCHED_RR:
+		(void) strcpy(pcinfo.pc_clname, "RT");
+		(void) do_priocntlsys(PC_GETCID, &procset_cid, &pcinfo);
+		if (lwp->lwp_errno)
+			return (lwp->lwp_errno);
+
+		if (prio < 0 ||
+		    prio > ((rtinfo_t *)pcinfo.pc_clinfo)->rt_maxpri)
+			return (set_errno(EINVAL));
+		pcparm.pc_cid = pcinfo.pc_cid;
+		((rtparms_t *)pcparm.pc_clparms)->rt_pri = prio;
+		((rtparms_t *)pcparm.pc_clparms)->rt_tqnsecs =
+		    policy == LX_SCHED_RR ? RT_TQDEF : RT_TQINF;
+		break;
+
+	case LX_SCHED_OTHER:
+		(void) strcpy(pcinfo.pc_clname, "TS");
+		(void) do_priocntlsys(PC_GETCID, &procset_cid, &pcinfo);
+		if (lwp->lwp_errno)
+			return (lwp->lwp_errno);
+
+		maxupri = ((tsinfo_t *)pcinfo.pc_clinfo)->ts_maxupri;
+		if (prio > maxupri || prio < -maxupri)
+			return (set_errno(EINVAL));
+
+		pcparm.pc_cid = pcinfo.pc_cid;
+		tsp = (tsparms_t *)pcparm.pc_clparms;
+		tsp->ts_upri = prio;
+		tsp->ts_uprilim = TS_NOCHANGE;
+		break;
+
+	default:
+		return (set_errno(EINVAL));
+	}
+
+	/*
+	 * finally set scheduling policy and parameters
+	 */
+	(void) do_priocntlsys(PC_SETPARMS, &procset, &pcparm);
+
+	return (0);
+}
+
+long
+lx_sched_getparam(l_pid_t pid, struct lx_sched_param *param)
+{
+	klwp_t *lwp = ttolwp(curthread);
+	struct lx_sched_param local_param;
+	procset_t procset;
+	pcparms_t pcparm;
+	pcinfo_t pcinfo;
+	tsinfo_t *tsi;
+	int prio, scale;
+	int rv;
+
+	if (pid < 0)
+		return (set_errno(ESRCH));
+
+	if ((rv = sched_setprocset(&procset, pid)))
+		return (rv);
+
+	/*
+	 * get the class id
+	 */
+	pcparm.pc_cid = PC_CLNULL;
+	(void) do_priocntlsys(PC_GETPARMS, &procset, &pcparm);
+	if (lwp->lwp_errno)
+		return (lwp->lwp_errno);
+
+	/*
+	 * get the class info and identify the equivalent linux policy
+	 */
+	bzero(&pcinfo, sizeof (pcinfo));
+	pcinfo.pc_cid = pcparm.pc_cid;
+	(void) do_priocntlsys(PC_GETCLINFO, &procset, &pcinfo);
+	if (lwp->lwp_errno)
+		return (lwp->lwp_errno);
+
+	bzero(&local_param, sizeof (local_param));
+	if (strcmp(pcinfo.pc_clname, "TS") == 0) {
+		/*
+		 * I don't know if we need to do this, coz it can't be
+		 * changed from zero anyway.....
+		 */
+		tsi = (tsinfo_t *)pcinfo.pc_clinfo;
+		prio = ((tsparms_t *)pcparm.pc_clparms)->ts_upri;
+		scale = tsi->ts_maxupri;
+		if (scale == 0)
+			local_param.lx_sched_prio = 0;
+		else
+			local_param.lx_sched_prio = -(prio * 20) / scale;
+	} else if (strcmp(pcinfo.pc_clname, "RT") == 0) {
+		local_param.lx_sched_prio =
+		    ((rtparms_t *)pcparm.pc_clparms)->rt_pri;
+	} else {
+		rv = set_errno(EINVAL);
+	}
+
+	if (rv == 0)
+		if (copyout(&local_param, param, sizeof (local_param)))
+			return (set_errno(EFAULT));
+
+	return (rv);
+}
+
+long
+lx_sched_rr_get_interval(l_pid_t pid, struct timespec *ival)
+{
+	klwp_t *lwp = ttolwp(curthread);
+	struct timespec interval;
+	procset_t procset;
+	pcparms_t pcparm;
+	pcinfo_t pcinfo;
+	int rv;
+
+	if (pid < 0)
+		return (set_errno(ESRCH));
+
+	if ((rv = sched_setprocset(&procset, pid)))
+		return (rv);
+
+	/*
+	 * get the class id
+	 */
+	pcparm.pc_cid = PC_CLNULL;
+	(void) do_priocntlsys(PC_GETPARMS, &procset, &pcparm);
+	if (lwp->lwp_errno)
+		return (lwp->lwp_errno);
+
+	/*
+	 * get the class info and identify the equivalent linux policy
+	 */
+	setprocset(&procset, POP_AND, P_PID, 0, P_ALL, 0);
+	bzero(&pcinfo, sizeof (pcinfo));
+	(void) strcpy(pcinfo.pc_clname, "RT");
+	(void) do_priocntlsys(PC_GETCID, &procset, &pcinfo);
+	if (lwp->lwp_errno)
+		return (lwp->lwp_errno);
+
+	if (pcparm.pc_cid == pcinfo.pc_cid &&
+	    ((rtparms_t *)pcparm.pc_clparms)->rt_tqnsecs != RT_TQINF) {
+		interval.tv_sec = ((rtparms_t *)pcparm.pc_clparms)->rt_tqsecs;
+		interval.tv_nsec = ((rtparms_t *)pcparm.pc_clparms)->rt_tqnsecs;
+
+		if (copyout(&interval, ival, sizeof (interval)))
+			return (set_errno(EFAULT));
+
+		return (0);
+	}
+
+	return (set_errno(EINVAL));
+}
+
+int
+sched_setprocset(procset_t *procset, l_pid_t pid)
+{
+	id_t lid, rid;
+	idtype_t lidtype, ridtype;
+
+	/*
+	 * define the target lwp
+	 */
+	if (pid == 0) {
+		ridtype = P_ALL;
+		lidtype = P_PID;
+		rid = 0;
+		lid = P_MYID;
+	} else {
+		if (lx_lpid_to_spair(pid, &pid, &lid) < 0)
+			return (set_errno(ESRCH));
+		if (pid != curproc->p_pid)
+			return (set_errno(ESRCH));
+		rid = 0;
+		ridtype = P_ALL;
+		lidtype = P_LWPID;
+	}
+	setprocset(procset, POP_AND, lidtype, lid, ridtype, rid);
+
+	return (0);
+}
+
+long
+do_priocntlsys(int cmd, procset_t *procset, void *arg)
+{
+	return (priocntl_common(PC_VERSION, procset, cmd, (caddr_t)arg, 0,
+	    UIO_SYSSPACE));
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_sysinfo.c b/usr/src/uts/common/brand/lx/syscall/lx_sysinfo.c
new file mode 100644
index 0000000000..449d5882d4
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_sysinfo.c
@@ -0,0 +1,218 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <vm/anon.h>
+#include <sys/systm.h>
+#include <sys/sysmacros.h>
+#include <sys/zone.h>
+#include <sys/time.h>
+
+typedef struct lx_sysinfo {
+	int64_t si_uptime;	/* Seconds since boot */
+	uint64_t si_loads[3];	/* 1, 5, and 15 minute avg runq length */
+	uint64_t si_totalram;	/* Total memory size */
+	uint64_t si_freeram;	/* Available memory */
+	uint64_t si_sharedram;	/* Shared memory */
+	uint64_t si_bufferram;	/* Buffer memory */
+	uint64_t si_totalswap;	/* Total swap space */
+	uint64_t si_freeswap;	/* Avail swap space */
+	uint16_t si_procs;	/* Process count */
+	uint16_t si_pad;	/* Padding */
+	uint64_t si_totalhigh;	/* High memory size */
+	uint64_t si_freehigh;	/* Avail high memory */
+	uint32_t si_mem_unit;	/* Unit size of memory fields */
+} lx_sysinfo_t;
+
+#if defined(_SYSCALL32_IMPL)
+/*
+ * 64-bit kernel view of the 32-bit usermode struct.
+ */
+#pragma pack(4)
+typedef struct lx_sysinfo32 {
+	int32_t si_uptime;	/* Seconds since boot */
+	uint32_t si_loads[3];	/* 1, 5, and 15 minute avg runq length */
+	uint32_t si_totalram;	/* Total memory size */
+	uint32_t si_freeram;	/* Available memory */
+	uint32_t si_sharedram;	/* Shared memory */
+	uint32_t si_bufferram;	/* Buffer memory */
+	uint32_t si_totalswap;	/* Total swap space */
+	uint32_t si_freeswap;	/* Avail swap space */
+	uint16_t si_procs;	/* Process count */
+	uint16_t si_pad;	/* Padding */
+	uint32_t si_totalhigh;	/* High memory size */
+	uint32_t si_freehigh;	/* Avail high memory */
+	uint32_t si_mem_unit;	/* Unit size of memory fields */
+	char __si_pad[8];
+} lx_sysinfo32_t;
+#pragma pack()
+#endif
+
+extern pgcnt_t swapfs_minfree;
+
+static void
+lx_sysinfo_common(lx_sysinfo_t *si)
+{
+	zone_t *zone = curthread->t_procp->p_zone;
+	uint64_t zphysmem, zfreemem, ztotswap, zfreeswap;
+
+	si->si_uptime = gethrestime_sec() - zone->zone_boot_time;
+
+	si->si_loads[0] = zone->zone_hp_avenrun[0];
+	si->si_loads[1] = zone->zone_hp_avenrun[1];
+	si->si_loads[2] = zone->zone_hp_avenrun[2];
+
+	/*
+	 * In linux each thread looks like a process, so we conflate the
+	 * two in this stat as well.
+	 */
+	si->si_procs = (int32_t)zone->zone_nlwps;
+
+	/*
+	 * If memory or swap limits are set on the zone, use those, otherwise
+	 * use the system values. physmem and freemem are in pages, but the
+	 * zone values are in bytes. Likewise, ani_max and ani_free are in
+	 * pages.
+	 */
+	if (zone->zone_phys_mem_ctl == UINT64_MAX) {
+		zphysmem = physmem;
+		zfreemem = freemem;
+	} else {
+		zphysmem = btop(zone->zone_phys_mem_ctl);
+		zfreemem = btop(zone->zone_phys_mem_ctl - zone->zone_phys_mem);
+	}
+
+	if (zone->zone_max_swap_ctl == UINT64_MAX) {
+		ztotswap = k_anoninfo.ani_max;
+		zfreeswap = k_anoninfo.ani_free;
+	} else {
+		/*
+		 * See the comment in swapctl for a description of how free is
+		 * calculated within a zone.
+		 */
+		rctl_qty_t used;
+		spgcnt_t avail;
+		uint64_t max;
+
+		avail = MAX((spgcnt_t)(availrmem - swapfs_minfree), 0);
+		max = k_anoninfo.ani_max + k_anoninfo.ani_mem_resv + avail;
+
+		mutex_enter(&zone->zone_mem_lock);
+		ztotswap = btop(zone->zone_max_swap_ctl);
+		used = btop(zone->zone_max_swap);
+		mutex_exit(&zone->zone_mem_lock);
+
+		zfreeswap = MIN(ztotswap, max) - used;
+	}
+
+	/*
+	 * If the maximum memory stat is less than 1^20 pages (i.e. 4GB),
+	 * then we report the result in bytes.  Otherwise we use pages.
+	 * Once we start supporting >1TB systems/zones, we'll need a third
+	 * option.
+	 */
+	if (MAX(zphysmem, ztotswap) < 1024 * 1024) {
+		si->si_totalram = ptob(zphysmem);
+		si->si_freeram = ptob(zfreemem);
+		si->si_totalswap = ptob(ztotswap);
+		si->si_freeswap = ptob(zfreeswap);
+		si->si_mem_unit = 1;
+	} else {
+		si->si_totalram = zphysmem;
+		si->si_freeram = zfreemem;
+		si->si_totalswap = ztotswap;
+		si->si_freeswap = zfreeswap;
+		si->si_mem_unit = PAGESIZE;
+	}
+	si->si_bufferram = 0;
+	si->si_sharedram = 0;
+
+	/*
+	 * These two stats refer to high physical memory.  If an
+	 * application running in a Linux zone cares about this, then
+	 * either it or we are broken.
+	 */
+	si->si_totalhigh = 0;
+	si->si_freehigh = 0;
+}
+
+long
+lx_sysinfo64(caddr_t sip)
+{
+	lx_sysinfo_t si;
+
+	bzero(&si, sizeof (si));
+	lx_sysinfo_common(&si);
+
+	if (copyout(&si, sip, sizeof (si)) != 0) {
+		return (set_errno(EFAULT));
+	}
+
+	return (0);
+}
+
+#if defined(_SYSCALL32_IMPL)
+long
+lx_sysinfo32(caddr_t sip)
+{
+	lx_sysinfo_t si;
+	lx_sysinfo32_t si32;
+	int i;
+
+	lx_sysinfo_common(&si);
+
+	/*
+	 * Convert the lx_sysinfo_t into the legacy 32-bit view:
+	 */
+	bzero(&si32, sizeof (si32));
+	si32.si_uptime = si.si_uptime;
+
+	for (i = 0; i < 3; i++) {
+		if ((si.si_loads[i]) > 0x7fffffff)
+			si32.si_loads[i] = 0x7fffffff;
+		else
+			si32.si_loads[i] = si.si_loads[i];
+	}
+
+	si32.si_procs = si.si_procs;
+	si32.si_totalram = si.si_totalram;
+	si32.si_freeram = si.si_freeram;
+	si32.si_totalswap = si.si_totalswap;
+	si32.si_freeswap = si.si_freeswap;
+	si32.si_mem_unit = si.si_mem_unit;
+
+	si32.si_bufferram = si.si_bufferram;
+	si32.si_sharedram = si.si_sharedram;
+
+	si32.si_totalhigh = si.si_totalhigh;
+	si32.si_freehigh = si.si_freehigh;
+
+	if (copyout(&si32, sip, sizeof (si32)) != 0) {
+		return (set_errno(EFAULT));
+	}
+
+	return (0);
+}
+#endif
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_thread_area.c b/usr/src/uts/common/brand/lx/syscall/lx_thread_area.c
new file mode 100644
index 0000000000..48d91b09cc
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_thread_area.c
@@ -0,0 +1,196 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/cpuvar.h>
+#include <sys/archsystm.h>
+#include <sys/proc.h>
+#include <sys/brand.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_ldt.h>
+#include <sys/lx_misc.h>
+#include <sys/x86_archext.h>
+#include <sys/controlregs.h>
+#include <lx_syscall.h>
+
+long
+lx_arch_prctl(int code, ulong_t addr)
+{
+#if defined(__amd64)
+	klwp_t *lwp = ttolwp(curthread);
+	lx_lwp_data_t *llwp = lwptolxlwp(lwp);
+	pcb_t *pcb = &lwp->lwp_pcb;
+
+	switch (code) {
+	case LX_ARCH_GET_FS:
+		if (copyout(&llwp->br_lx_fsbase, (void *)addr,
+		    sizeof (llwp->br_lx_fsbase)) != 0) {
+			return (set_errno(EFAULT));
+		}
+		break;
+
+	case LX_ARCH_SET_FS:
+		llwp->br_lx_fsbase = addr;
+
+		kpreempt_disable();
+		if (pcb->pcb_fsbase != llwp->br_lx_fsbase) {
+			pcb->pcb_fsbase = llwp->br_lx_fsbase;
+
+			/*
+			 * Ensure we go out via update_sregs.
+			 */
+			pcb->pcb_rupdate = 1;
+		}
+		kpreempt_enable();
+		break;
+
+	case LX_ARCH_GET_GS:
+		if (copyout(&llwp->br_lx_gsbase, (void *)addr,
+		    sizeof (llwp->br_lx_gsbase)) != 0) {
+			return (set_errno(EFAULT));
+		}
+		break;
+
+	case LX_ARCH_SET_GS:
+		llwp->br_lx_gsbase = addr;
+
+		kpreempt_disable();
+		if (pcb->pcb_gsbase != llwp->br_lx_gsbase) {
+			pcb->pcb_gsbase = llwp->br_lx_gsbase;
+
+			/*
+			 * Ensure we go out via update_sregs.
+			 */
+			pcb->pcb_rupdate = 1;
+		}
+		kpreempt_enable();
+		break;
+
+	default:
+		return (set_errno(EINVAL));
+	}
+#endif
+
+	return (0);
+}
+
+long
+lx_get_thread_area(struct ldt_info *inf)
+{
+	struct lx_lwp_data *jlwp = ttolxlwp(curthread);
+	struct ldt_info ldt_inf;
+	user_desc_t *dscrp;
+	int entry;
+
+	if (fuword32(&inf->entry_number, (uint32_t *)&entry))
+		return (set_errno(EFAULT));
+
+	if (entry < GDT_TLSMIN || entry > GDT_TLSMAX)
+		return (set_errno(EINVAL));
+
+	dscrp = jlwp->br_tls + entry - GDT_TLSMIN;
+
+	/*
+	 * convert the solaris ldt to the linux format expected by the
+	 * caller
+	 */
+	DESC_TO_LDT_INFO(dscrp, &ldt_inf);
+	ldt_inf.entry_number = entry;
+
+	if (copyout(&ldt_inf, inf, sizeof (struct ldt_info)))
+		return (set_errno(EFAULT));
+
+	return (0);
+}
+
+long
+lx_set_thread_area(struct ldt_info *inf)
+{
+	struct lx_lwp_data *jlwp = ttolxlwp(curthread);
+	struct ldt_info ldt_inf;
+	user_desc_t *dscrp;
+	int entry;
+	int i;
+
+	/* Check that casts for accessing the words in user_desc are valid */
+	ASSERT(sizeof (user_desc_t) == 8);
+
+	if (copyin(inf, &ldt_inf, sizeof (ldt_inf)))
+		return (set_errno(EFAULT));
+
+	entry = ldt_inf.entry_number;
+	if (entry == -1) {
+		/*
+		 * Find an empty entry in the tls for this thread.
+		 * The casts assume each user_desc_t entry is 8 bytes.
+		 */
+		for (i = 0, dscrp = jlwp->br_tls; i < LX_TLSNUM; i++, dscrp++) {
+			if (((uint_t *)dscrp)[0] == 0 &&
+			    ((uint_t *)dscrp)[1] == 0)
+				break;
+		}
+
+		if (i < LX_TLSNUM) {
+			/*
+			 * found one
+			 */
+			entry = i + GDT_TLSMIN;
+			if (suword32(&inf->entry_number, entry))
+				return (set_errno(EFAULT));
+		} else {
+			return (set_errno(ESRCH));
+		}
+	}
+
+	if (entry < GDT_TLSMIN || entry > GDT_TLSMAX)
+		return (set_errno(EINVAL));
+
+	/*
+	 * convert the linux ldt info to standard intel descriptor
+	 */
+	dscrp = jlwp->br_tls + entry - GDT_TLSMIN;
+
+	if (LDT_INFO_EMPTY(&ldt_inf)) {
+		((uint_t *)dscrp)[0] = 0;
+		((uint_t *)dscrp)[1] = 0;
+	} else {
+		LDT_INFO_TO_DESC(&ldt_inf, dscrp);
+	}
+
+	/*
+	 * update the gdt with the new descriptor
+	 */
+	kpreempt_disable();
+
+	for (i = 0, dscrp = jlwp->br_tls; i < LX_TLSNUM; i++, dscrp++)
+		lx_set_gdt(GDT_TLSMIN + i, dscrp);
+
+	kpreempt_enable();
+
+	return (0);
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_timer.c b/usr/src/uts/common/brand/lx/syscall/lx_timer.c
new file mode 100644
index 0000000000..aa22228808
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_timer.c
@@ -0,0 +1,367 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * The illumos kernel provides two clock backends: CLOCK_REALTIME, the
+ * adjustable system wall clock; and CLOCK_HIGHRES, the monotonically
+ * increasing time source that is not subject to drift or adjustment.  By
+ * contrast, the Linux kernel is furnished with an overabundance of narrowly
+ * differentiated clock types.
+ *
+ * Fortunately, most of the commonly used Linux clock types are either similar
+ * enough to the native clock backends that they can be directly mapped, or
+ * represent queries to the per-process and per-LWP microstate counters.
+ */
+
+#include <sys/time.h>
+#include <sys/systm.h>
+#include <sys/cmn_err.h>
+#include <sys/lx_impl.h>
+
+/*
+ * From "uts/common/os/timer.c":
+ */
+extern int clock_settime(clockid_t, timespec_t *);
+extern int clock_gettime(clockid_t, timespec_t *);
+extern int clock_getres(clockid_t, timespec_t *);
+
+
+static int lx_emul_clock_getres(clockid_t, timespec_t *);
+static int lx_emul_clock_gettime(clockid_t, timespec_t *);
+static int lx_emul_clock_settime(clockid_t, timespec_t *);
+
+typedef struct lx_clock_backend {
+	clockid_t lclk_ntv_id;
+	int (*lclk_clock_getres)(clockid_t, timespec_t *);
+	int (*lclk_clock_gettime)(clockid_t, timespec_t *);
+	int (*lclk_clock_settime)(clockid_t, timespec_t *);
+} lx_clock_backend_t;
+
+/*
+ * NOTE: The Linux man pages state this structure is obsolete and is
+ * unsupported, so it is declared here for sizing purposes only.
+ */
+struct lx_timezone {
+	int tz_minuteswest;	/* minutes W of Greenwich */
+	int tz_dsttime;		/* type of dst correction */
+};
+
+/*
+ * Use the native clock_* system call implementation, but with a translated
+ * clock identifier:
+ */
+#define	NATIVE(ntv_id)							\
+	{ ntv_id, clock_getres, clock_gettime, clock_settime }
+
+/*
+ * This backend is not supported, so we provide an emulation handler:
+ */
+#define	EMUL(ntv_id)							\
+	{ ntv_id, lx_emul_clock_getres, lx_emul_clock_gettime,		\
+	    lx_emul_clock_settime }
+
+static lx_clock_backend_t lx_clock_backends[] = {
+	NATIVE(CLOCK_REALTIME),		/* LX_CLOCK_REALTIME */
+	NATIVE(CLOCK_HIGHRES),		/* LX_CLOCK_MONOTONIC */
+	EMUL(CLOCK_PROCESS_CPUTIME_ID),	/* LX_CLOCK_PROCESS_CPUTIME_ID */
+	EMUL(CLOCK_THREAD_CPUTIME_ID),	/* LX_CLOCK_THREAD_CPUTIME_ID */
+	NATIVE(CLOCK_HIGHRES),		/* LX_CLOCK_MONOTONIC_RAW */
+	NATIVE(CLOCK_REALTIME),		/* LX_CLOCK_REALTIME_COARSE */
+	NATIVE(CLOCK_HIGHRES)		/* LX_CLOCK_MONOTONIC_COARSE */
+};
+
+#define	LX_CLOCK_MAX \
+	(sizeof (lx_clock_backends) / sizeof (lx_clock_backends[0]))
+#define	LX_CLOCK_BACKEND(clk) \
+	((clk) < LX_CLOCK_MAX && (clk) >= 0 ? &lx_clock_backends[(clk)] : NULL)
+
+static int
+lx_emul_clock_settime(clockid_t clock, timespec_t *tp)
+{
+	return (set_errno(EINVAL));
+}
+
+static int
+lx_emul_clock_gettime(clockid_t clock, timespec_t *tp)
+{
+	timespec_t t;
+
+	switch (clock) {
+	case CLOCK_PROCESS_CPUTIME_ID: {
+		proc_t *p = ttoproc(curthread);
+		hrtime_t snsecs, unsecs;
+
+		/*
+		 * Based on getrusage() in "rusagesys.c":
+		 */
+		mutex_enter(&p->p_lock);
+		unsecs = mstate_aggr_state(p, LMS_USER);
+		snsecs = mstate_aggr_state(p, LMS_SYSTEM);
+		mutex_exit(&p->p_lock);
+
+		hrt2ts(unsecs + snsecs, &t);
+		break;
+	}
+
+	case CLOCK_THREAD_CPUTIME_ID: {
+		klwp_t *lwp = ttolwp(curthread);
+		struct mstate *ms = &lwp->lwp_mstate;
+		hrtime_t snsecs, unsecs;
+
+		/*
+		 * Based on getrusage_lwp() in "rusagesys.c":
+		 */
+		unsecs = ms->ms_acct[LMS_USER];
+		snsecs = ms->ms_acct[LMS_SYSTEM] + ms->ms_acct[LMS_TRAP];
+
+		scalehrtime(&unsecs);
+		scalehrtime(&snsecs);
+
+		hrt2ts(unsecs + snsecs, &t);
+		break;
+	}
+
+	default:
+		return (set_errno(EINVAL));
+	}
+
+#if defined(_SYSCALL32_IMPL)
+	if (get_udatamodel() != DATAMODEL_NATIVE) {
+		timespec32_t t32;
+
+		if (TIMESPEC_OVERFLOW(&t)) {
+			return (set_errno(EOVERFLOW));
+		}
+		TIMESPEC_TO_TIMESPEC32(&t32, &t);
+
+		if (copyout(&t32, tp, sizeof (t32)) != 0) {
+			return (set_errno(EFAULT));
+		}
+
+		return (0);
+	}
+#endif
+
+	if (copyout(&t, tp, sizeof (t)) != 0) {
+		return (set_errno(EFAULT));
+	}
+
+	return (0);
+}
+
+static int
+lx_emul_clock_getres(clockid_t clock, timespec_t *tp)
+{
+	timespec_t t;
+
+	if (tp == NULL) {
+		return (0);
+	}
+
+	switch (clock) {
+	case CLOCK_PROCESS_CPUTIME_ID:
+	case CLOCK_THREAD_CPUTIME_ID:
+		/*
+		 * These clock backends return microstate accounting values for
+		 * the LWP or the entire process.  The Linux kernel claims they
+		 * have nanosecond resolution; so will we.
+		 */
+		t.tv_sec = 0;
+		t.tv_nsec = 1;
+		break;
+
+	default:
+		return (set_errno(EINVAL));
+	}
+
+#if defined(_SYSCALL32_IMPL)
+	if (get_udatamodel() != DATAMODEL_NATIVE) {
+		timespec32_t t32;
+
+		if (TIMESPEC_OVERFLOW(&t)) {
+			return (set_errno(EOVERFLOW));
+		}
+		TIMESPEC_TO_TIMESPEC32(&t32, &t);
+
+		if (copyout(&t32, tp, sizeof (t32)) != 0) {
+			return (set_errno(EFAULT));
+		}
+
+		return (0);
+	}
+#endif
+
+	if (copyout(&t, tp, sizeof (t)) != 0) {
+		return (set_errno(EFAULT));
+	}
+
+	return (0);
+}
+
+static void
+lx_clock_unsupported(int clock)
+{
+	char buf[100];
+
+	(void) snprintf(buf, sizeof (buf), "unsupported clock: %d", clock);
+	lx_unsupported(buf);
+}
+
+long
+lx_clock_settime(int clock, timespec_t *tp)
+{
+	lx_clock_backend_t *backend;
+
+	if ((backend = LX_CLOCK_BACKEND(clock)) == NULL) {
+		lx_clock_unsupported(clock);
+		return (set_errno(EINVAL));
+	}
+
+	return (backend->lclk_clock_settime(backend->lclk_ntv_id, tp));
+}
+
+long
+lx_clock_gettime(int clock, timespec_t *tp)
+{
+	lx_clock_backend_t *backend;
+
+	if ((backend = LX_CLOCK_BACKEND(clock)) == NULL) {
+		lx_clock_unsupported(clock);
+		return (set_errno(EINVAL));
+	}
+
+	return (backend->lclk_clock_gettime(backend->lclk_ntv_id, tp));
+}
+
+long
+lx_clock_getres(int clock, timespec_t *tp)
+{
+	lx_clock_backend_t *backend;
+
+	if (tp == NULL) {
+		return (0);
+	}
+
+	if ((backend = LX_CLOCK_BACKEND(clock)) == NULL) {
+		lx_clock_unsupported(clock);
+		return (set_errno(EINVAL));
+	}
+
+	return (backend->lclk_clock_getres(backend->lclk_ntv_id, tp));
+}
+
+
+long
+lx_gettimeofday(struct timeval *tvp, struct lx_timezone *tzp)
+{
+	struct lx_timezone tz;
+
+	bzero(&tz, sizeof (tz));
+
+	/*
+	 * We want to be similar to libc which just does a fasttrap to
+	 * gethrestime and simply converts that result. We follow how uniqtime
+	 * does the conversion but we can't use that code since it does some
+	 * extra work which can cause the result to bounce around based on which
+	 * CPU we run on.
+	 */
+	if (tvp != NULL) {
+		struct timeval tv;
+		timestruc_t ts;
+		int usec, nsec;
+
+		gethrestime(&ts);
+		nsec = ts.tv_nsec;
+		usec = nsec + (nsec >> 2);
+		usec = nsec + (usec >> 1);
+		usec = nsec + (usec >> 2);
+		usec = nsec + (usec >> 4);
+		usec = nsec - (usec >> 3);
+		usec = nsec + (usec >> 2);
+		usec = nsec + (usec >> 3);
+		usec = nsec + (usec >> 4);
+		usec = nsec + (usec >> 1);
+		usec = nsec + (usec >> 6);
+		usec = usec >> 10;
+
+		tv.tv_sec = ts.tv_sec;
+		tv.tv_usec = usec;
+
+		if (get_udatamodel() == DATAMODEL_NATIVE) {
+			if (copyout(&tv, tvp, sizeof (tv)) != 0)
+				return (set_errno(EFAULT));
+		}
+#ifdef _SYSCALL32_IMPL
+		else {
+			struct timeval32 tv32;
+
+			if (TIMEVAL_OVERFLOW(&tv))
+				return (set_errno(EOVERFLOW));
+			TIMEVAL_TO_TIMEVAL32(&tv32, &tv);
+
+			if (copyout(&tv32, tvp, sizeof (tv32)))
+				return (set_errno(EFAULT));
+		}
+#endif
+	}
+
+	/*
+	 * The Linux man page states use of the second parameter is obsolete,
+	 * but gettimeofday(2) should still return EFAULT if it is set
+	 * to a bad non-NULL pointer (sigh...)
+	 */
+	if (tzp != NULL && copyout(&tz, tzp, sizeof (tz)) != 0)
+		return (set_errno(EFAULT));
+
+	return (0);
+}
+
+/*
+ * On Linux a bad buffer will set errno to EFAULT, and on Illumos the failure
+ * mode is documented as "undefined."
+ */
+long
+lx_time(time_t *tp)
+{
+	timestruc_t ts;
+	struct timeval tv;
+
+	gethrestime(&ts);
+	tv.tv_sec = ts.tv_sec;
+	tv.tv_usec = 0;
+
+	if (get_udatamodel() == DATAMODEL_NATIVE) {
+		if (tp != NULL &&
+		    copyout(&tv.tv_sec, tp, sizeof (tv.tv_sec)) != 0)
+			return (set_errno(EFAULT));
+
+		return (tv.tv_sec);
+	}
+#ifdef _SYSCALL32_IMPL
+	else {
+		struct timeval32 tv32;
+
+		if (TIMEVAL_OVERFLOW(&tv))
+			return (set_errno(EOVERFLOW));
+		TIMEVAL_TO_TIMEVAL32(&tv32, &tv);
+
+		if (tp != NULL &&
+		    copyout(&tv32.tv_sec, tp, sizeof (tv32.tv_sec)))
+			return (set_errno(EFAULT));
+
+		return (tv32.tv_sec);
+	}
+#endif
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_wait.c b/usr/src/uts/common/brand/lx/syscall/lx_wait.c
new file mode 100644
index 0000000000..e6c5607e43
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_wait.c
@@ -0,0 +1,473 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * wait() family of functions.
+ *
+ * The first minor difference between the Linux and Solaris family of wait()
+ * calls is that the values for WNOHANG and WUNTRACED are different. Thankfully,
+ * the exit status values are identical between the two implementations.
+ *
+ * Things get very different and very complicated when we introduce the Linux
+ * threading model.  Under linux, both threads and child processes are
+ * represented as processes.  However, the behavior of wait() with respect to
+ * each child varies according to the flags given to clone()
+ *
+ *	SIGCHLD 	The SIGCHLD signal should be sent on termination
+ *	CLONE_THREAD	The child shares the same thread group as the parent
+ *	CLONE_DETACHED	The parent receives no notification when the child exits
+ *
+ * The following flags control the Linux behavior w.r.t. the above attributes:
+ *
+ * 	__WALL		Wait on all children, regardless of type
+ * 	__WCLONE	Wait only on non-SIGCHLD children
+ * 	__WNOTHREAD	Don't wait on children of other threads in this group
+ *
+ * The following chart shows whether wait() returns when the child exits:
+ *
+ *                           default    __WCLONE    __WALL
+ *           no SIGCHLD		-	    X	      X
+ *              SIGCHLD		X	    -	      X
+ *
+ * The following chart shows whether wait() returns when the grandchild exits:
+ *
+ *                           default   __WNOTHREAD
+ * 	no CLONE_THREAD		-	    -
+ *         CLONE_THREAD		X	    -
+ *
+ * The CLONE_DETACHED flag is universal - when the child exits, no state is
+ * stored and wait() has no effect.
+ *
+ * XXX Support the above combination of options, or some reasonable subset that
+ *     covers at least fork() and pthread_create().
+ */
+
+#include <sys/wait.h>
+#include <sys/brand.h>
+#include <sys/lx_brand.h>
+#include <sys/lx_types.h>
+#include <sys/lx_siginfo.h>
+#include <lx_signum.h>
+#include <lx_errno.h>
+#include <lx_syscall.h>
+
+/*
+ * From "uts/common/os/exit.c" and "uts/common/syscall/rusagesys.c":
+ */
+extern int waitid(idtype_t, id_t, k_siginfo_t *, int);
+extern int rusagesys(int, void *, void *, void *, void *);
+
+/*
+ * Convert between Linux options and Solaris options, returning -1 if any
+ * invalid flags are found.
+ */
+#define	LX_WNOHANG	0x00000001
+#define	LX_WUNTRACED	0x00000002
+#define	LX_WSTOPPED	LX_WUNTRACED
+#define	LX_WEXITED	0x00000004
+#define	LX_WCONTINUED	0x00000008
+#define	LX_WNOWAIT	0x01000000
+
+#define	LX_WNOTHREAD	0x20000000
+#define	LX_WALL		0x40000000
+#define	LX_WCLONE	0x80000000
+
+#define	LX_P_ALL	0x0
+#define	LX_P_PID	0x1
+#define	LX_P_GID	0x2
+
+/*
+ * Split the passed waitpid/waitid options into two separate variables:
+ * those for the native illumos waitid(2), and the extra Linux-specific
+ * options we will handle in our brand-specific code.
+ */
+static int
+ltos_options(uintptr_t options, int *native_options, int *extra_options)
+{
+	int newoptions = 0;
+
+	if (((options) & ~(LX_WNOHANG | LX_WUNTRACED | LX_WEXITED |
+	    LX_WCONTINUED | LX_WNOWAIT | LX_WNOTHREAD | LX_WALL |
+	    LX_WCLONE)) != 0) {
+		return (-1);
+	}
+
+	*extra_options = options & (LX_WNOTHREAD | LX_WALL | LX_WCLONE);
+
+	if (options & LX_WNOHANG)
+		newoptions |= WNOHANG;
+	if (options & LX_WUNTRACED)
+		newoptions |= WUNTRACED;
+	if (options & LX_WEXITED)
+		newoptions |= WEXITED;
+	if (options & LX_WCONTINUED)
+		newoptions |= WCONTINUED;
+	if (options & LX_WNOWAIT)
+		newoptions |= WNOWAIT;
+
+	/*
+	 * The trapped option is implicit on Linux.
+	 */
+	newoptions |= WTRAPPED;
+
+	*native_options = newoptions;
+	return (0);
+}
+
+static int
+lx_wstat(int code, int status)
+{
+	int stat = 0;
+
+	switch (code) {
+	case CLD_EXITED:
+		stat = status << 8;
+		break;
+	case CLD_DUMPED:
+		stat = lx_stol_signo(status, SIGKILL) | WCOREFLG;
+		break;
+	case CLD_KILLED:
+		stat = lx_stol_signo(status, SIGKILL);
+		break;
+	case CLD_TRAPPED:
+	case CLD_STOPPED:
+		stat = (lx_stol_status(status, SIGKILL) << 8) | WSTOPFLG;
+		break;
+	case CLD_CONTINUED:
+		stat = WCONTFLG;
+		break;
+	}
+
+	return (stat);
+}
+
+static int
+lx_call_waitid(idtype_t idtype, id_t id, k_siginfo_t *sip, int native_options,
+    int extra_options)
+{
+	lx_lwp_data_t *lwpd = ttolxlwp(curthread);
+	int error;
+
+	/*
+	 * Our brand-specific waitid helper only understands a subset of
+	 * the possible idtypes.  Ensure we keep to that subset here:
+	 */
+	if (idtype != P_ALL && idtype != P_PID && idtype != P_PGID) {
+		return (EINVAL);
+	}
+
+	/*
+	 * Enable the return of emulated ptrace(2) stop conditions
+	 * through lx_waitid_helper, and stash the Linux-specific
+	 * extra waitid() flags.
+	 */
+	lwpd->br_waitid_emulate = B_TRUE;
+	lwpd->br_waitid_flags = extra_options;
+
+	if ((error = waitid(idtype, id, sip, native_options)) == EINTR) {
+		/*
+		 * According to signal(7), the wait4(2), waitid(2), and
+		 * waitpid(2) system calls are restartable.
+		 */
+		ttolxlwp(curthread)->br_syscall_restart = B_TRUE;
+	}
+
+	lwpd->br_waitid_emulate = B_FALSE;
+	lwpd->br_waitid_flags = 0;
+
+	return (error);
+}
+
+long
+lx_wait4(uintptr_t p1, uintptr_t p2, uintptr_t p3, uintptr_t p4)
+{
+	k_siginfo_t info = { 0 };
+	idtype_t idtype;
+	id_t id;
+	int status = 0;
+	pid_t pid = (pid_t)p1;
+	int error;
+	int native_options, extra_options;
+	int *statusp = (int *)p2;
+	void *rup = (void *)p4;
+
+	if (ltos_options(p3, &native_options, &extra_options) == -1) {
+		return (set_errno(EINVAL));
+	}
+
+	if (pid > maxpid) {
+		return (set_errno(ECHILD));
+	}
+
+	/*
+	 * While not listed as a valid return code, Linux's wait4(2) does,
+	 * in fact, get an EFAULT if either the status pointer or rusage
+	 * pointer is invalid. Since a failed waitpid should leave child
+	 * process in a state where a future wait4(2) will succeed, we
+	 * check them by copying out the values their buffers originally
+	 * contained.  (We need to do this as a failed system call should
+	 * never affect the contents of a passed buffer.)
+	 *
+	 * This will fail if the buffers in question are write-only.
+	 */
+	if (statusp != NULL) {
+		if (copyin(statusp, &status, sizeof (status)) != 0 ||
+		    copyout(&status, statusp, sizeof (status)) != 0) {
+			return (set_errno(EFAULT));
+		}
+	}
+
+	/*
+	 * Do the same check for the "struct rusage" pointer, which differs
+	 * in size for 32- and 64-bit processes.
+	 */
+	if (rup != NULL) {
+		struct rusage ru;
+		void *krup = &ru;
+		size_t rusz = sizeof (ru);
+#if defined(_SYSCALL32_IMPL)
+		struct rusage32 ru32;
+
+		if (get_udatamodel() != DATAMODEL_NATIVE) {
+			krup = &ru32;
+			rusz = sizeof (ru32);
+		}
+#endif
+
+		if (copyin(rup, krup, rusz) != 0 ||
+		    copyout(krup, rup, rusz) != 0) {
+			return (set_errno(EFAULT));
+		}
+	}
+
+	if (pid < -1) {
+		idtype = P_PGID;
+		id = -pid;
+	} else if (pid == -1) {
+		idtype = P_ALL;
+		id = 0;
+	} else if (pid == 0) {
+		idtype = P_PGID;
+		mutex_enter(&pidlock);
+		id = curproc->p_pgrp;
+		mutex_exit(&pidlock);
+	} else {
+		idtype = P_PID;
+		id = pid;
+	}
+
+	native_options |= (WEXITED | WTRAPPED);
+
+	if ((error = lx_call_waitid(idtype, id, &info, native_options,
+	    extra_options)) != 0) {
+		return (set_errno(error));
+	}
+
+	/*
+	 * If the WNOHANG flag was specified and no child was found return 0.
+	 */
+	if ((native_options & WNOHANG) && info.si_pid == 0) {
+		return (0);
+	}
+
+	status = lx_wstat(info.si_code, info.si_status);
+
+	/*
+	 * Unfortunately if this attempt to copy out either the status or the
+	 * rusage fails, the process will be in an inconsistent state as
+	 * subsequent calls to wait for the same child will fail where they
+	 * should succeed on a Linux system. This, however, is rather
+	 * unlikely since we tested the validity of both above.
+	 */
+	if (statusp != NULL) {
+		if (copyout(&status, statusp, sizeof (status)) != 0) {
+			return (set_errno(EFAULT));
+		}
+	}
+
+	if (rup != NULL) {
+		if ((error = rusagesys(_RUSAGESYS_GETRUSAGE_CHLD, rup, NULL,
+		    NULL, NULL)) != 0) {
+			return (set_errno(error));
+		}
+	}
+
+	return (info.si_pid);
+}
+
+long
+lx_waitpid(uintptr_t p1, uintptr_t p2, uintptr_t p3)
+{
+	return (lx_wait4(p1, p2, p3, NULL));
+}
+
+static int
+stol_ksiginfo(k_siginfo_t *sip, uintptr_t lxsip)
+{
+	lx_siginfo_t lsi;
+
+	bzero(&lsi, sizeof (lsi));
+	lsi.lsi_signo = lx_stol_signo(sip->si_signo, SIGCLD);
+	lsi.lsi_code = lx_stol_sigcode(sip->si_code);
+	lsi.lsi_errno = lx_errno(sip->si_errno, EINVAL);
+
+	switch (lsi.lsi_signo) {
+	case LX_SIGPOLL:
+		lsi.lsi_band = sip->si_band;
+		lsi.lsi_fd = sip->si_fd;
+		break;
+
+	case LX_SIGCHLD:
+		lsi.lsi_pid = sip->si_pid;
+		if (sip->si_code <= 0 || sip->si_code == CLD_EXITED) {
+			lsi.lsi_status = sip->si_status;
+		} else {
+			lsi.lsi_status = lx_stol_status(sip->si_status,
+			    SIGKILL);
+		}
+		lsi.lsi_utime = sip->si_utime;
+		lsi.lsi_stime = sip->si_stime;
+		break;
+
+	case LX_SIGILL:
+	case LX_SIGBUS:
+	case LX_SIGFPE:
+	case LX_SIGSEGV:
+		lsi.lsi_addr = sip->si_addr;
+		break;
+
+	default:
+		lsi.lsi_pid = sip->si_pid;
+		lsi.lsi_uid = LX_UID32_TO_UID16(sip->si_uid);
+	}
+
+	if (copyout(&lsi, (void *)lxsip, sizeof (lsi)) != 0) {
+		return (set_errno(EFAULT));
+	}
+
+	return (0);
+}
+
+#if defined(_SYSCALL32_IMPL)
+static int
+stol_ksiginfo32(k_siginfo_t *sip, uintptr_t lxsip)
+{
+	lx_siginfo32_t lsi;
+
+	bzero(&lsi, sizeof (lsi));
+	lsi.lsi_signo = lx_stol_signo(sip->si_signo, SIGCLD);
+	lsi.lsi_code = lx_stol_sigcode(sip->si_code);
+	lsi.lsi_errno = lx_errno(sip->si_errno, EINVAL);
+
+	switch (lsi.lsi_signo) {
+	case LX_SIGPOLL:
+		lsi.lsi_band = sip->si_band;
+		lsi.lsi_fd = sip->si_fd;
+		break;
+
+	case LX_SIGCHLD:
+		lsi.lsi_pid = sip->si_pid;
+		if (sip->si_code <= 0 || sip->si_code == CLD_EXITED) {
+			lsi.lsi_status = sip->si_status;
+		} else {
+			lsi.lsi_status = lx_stol_status(sip->si_status,
+			    SIGKILL);
+		}
+		lsi.lsi_utime = sip->si_utime;
+		lsi.lsi_stime = sip->si_stime;
+		break;
+
+	case LX_SIGILL:
+	case LX_SIGBUS:
+	case LX_SIGFPE:
+	case LX_SIGSEGV:
+		lsi.lsi_addr = (caddr32_t)(uintptr_t)sip->si_addr;
+		break;
+
+	default:
+		lsi.lsi_pid = sip->si_pid;
+		lsi.lsi_uid = LX_UID32_TO_UID16(sip->si_uid);
+	}
+
+	if (copyout(&lsi, (void *)lxsip, sizeof (lsi)) != 0) {
+		return (set_errno(EFAULT));
+	}
+
+	return (0);
+}
+#endif
+
+long
+lx_waitid(uintptr_t idtype, uintptr_t id, uintptr_t infop, uintptr_t opt)
+{
+	int error;
+	int native_options, extra_options;
+	k_siginfo_t info = { 0 };
+
+	if (ltos_options(opt, &native_options, &extra_options) == -1) {
+		return (set_errno(EINVAL));
+	}
+
+	if (((opt) & (LX_WEXITED | LX_WSTOPPED | LX_WCONTINUED)) == 0) {
+		return (set_errno(EINVAL));
+	}
+
+	switch (idtype) {
+	case LX_P_ALL:
+		idtype = P_ALL;
+		break;
+	case LX_P_PID:
+		idtype = P_PID;
+		break;
+	case LX_P_GID:
+		idtype = P_PGID;
+		break;
+	default:
+		return (set_errno(EINVAL));
+	}
+
+	if ((error = lx_call_waitid(idtype, id, &info, native_options,
+	    extra_options)) != 0) {
+		return (set_errno(error));
+	}
+
+	/*
+	 * If the WNOHANG flag was specified and no child was found return 0.
+	 */
+	if ((native_options & WNOHANG) && info.si_pid == 0) {
+		return (0);
+	}
+
+#if defined(_SYSCALL32_IMPL)
+	if (get_udatamodel() != DATAMODEL_NATIVE) {
+		return (stol_ksiginfo32(&info, infop));
+	} else
+#endif
+	{
+		return (stol_ksiginfo(&info, infop));
+	}
+}
diff --git a/usr/src/uts/common/brand/lx/syscall/lx_xattr.c b/usr/src/uts/common/brand/lx/syscall/lx_xattr.c
new file mode 100644
index 0000000000..ea23c3e4b8
--- /dev/null
+++ b/usr/src/uts/common/brand/lx/syscall/lx_xattr.c
@@ -0,0 +1,31 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#include <sys/errno.h>
+#include <sys/systm.h>
+#include <sys/file.h>
+
+/*
+ * *xattr() family of functions.
+ *
+ * These are currently unimplemented.  We return EOPNOTSUPP for now, rather
+ * than using NOSYS_NO_EQUIV to avoid unwanted stderr output from ls(1).
+ */
+
+long
+lx_xattr(void)
+{
+	return (set_errno(EOPNOTSUPP));
+}
diff --git a/usr/src/uts/common/brand/sn1/sn1_brand.c b/usr/src/uts/common/brand/sn1/sn1_brand.c
index d61928d578..176044f68d 100644
--- a/usr/src/uts/common/brand/sn1/sn1_brand.c
+++ b/usr/src/uts/common/brand/sn1/sn1_brand.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015 Joyent, Inc. All rights reserved.
  */
 
 #include <sys/errno.h>
@@ -48,37 +49,58 @@ void	sn1_setbrand(proc_t *);
 int	sn1_getattr(zone_t *, int, void *, size_t *);
 int	sn1_setattr(zone_t *, int, void *, size_t);
 int	sn1_brandsys(int, int64_t *, uintptr_t, uintptr_t, uintptr_t,
-		uintptr_t, uintptr_t, uintptr_t);
+		uintptr_t, uintptr_t);
 void	sn1_copy_procdata(proc_t *, proc_t *);
-void	sn1_proc_exit(struct proc *, klwp_t *);
+void	sn1_proc_exit(struct proc *);
 void	sn1_exec();
-int	sn1_initlwp(klwp_t *);
+void	sn1_initlwp(klwp_t *, void *);
 void	sn1_forklwp(klwp_t *, klwp_t *);
 void	sn1_freelwp(klwp_t *);
 void	sn1_lwpexit(klwp_t *);
 int	sn1_elfexec(vnode_t *, execa_t *, uarg_t *, intpdata_t *, int,
-	long *, int, caddr_t, cred_t *, int);
+	long *, int, caddr_t, cred_t *, int *);
 
 /* sn1 brand */
 struct brand_ops sn1_brops = {
-	sn1_init_brand_data,
-	sn1_free_brand_data,
-	sn1_brandsys,
-	sn1_setbrand,
-	sn1_getattr,
-	sn1_setattr,
-	sn1_copy_procdata,
-	sn1_proc_exit,
-	sn1_exec,
-	lwp_setrval,
-	sn1_initlwp,
-	sn1_forklwp,
-	sn1_freelwp,
-	sn1_lwpexit,
-	sn1_elfexec,
-	NULL,
-	NULL,
-	NSIG,
+	sn1_init_brand_data,		/* b_init_brand_data */
+	sn1_free_brand_data,		/* b_free_brand_data */
+	sn1_brandsys,			/* b_brandsys */
+	sn1_setbrand,			/* b_setbrand */
+	sn1_getattr,			/* b_getattr */
+	sn1_setattr,			/* b_setattr */
+	sn1_copy_procdata,		/* b_copy_procdata */
+	sn1_proc_exit,			/* b_proc_exit */
+	sn1_exec,			/* b_exec */
+	lwp_setrval,			/* b_lwp_setrval */
+	NULL,				/* b_lwpdata_alloc */
+	NULL,				/* b_lwpdata_free */
+	sn1_initlwp,			/* b_initlwp */
+	sn1_forklwp,			/* b_forklwp */
+	sn1_freelwp,			/* b_freelwp */
+	sn1_lwpexit,			/* b_lwpexit */
+	sn1_elfexec,			/* b_elfexec */
+	NULL,				/* b_sigset_native_to_brand */
+	NULL,				/* b_sigset_brand_to_native */
+	NULL,				/* b_psig_to_proc */
+	NSIG,				/* b_nsig */
+	NULL,				/* b_exit_with_sig */
+	NULL,				/* b_wait_filter */
+	NULL,				/* b_native_exec */
+	NULL,				/* b_ptrace_exectrap */
+	NULL,				/* b_map32limit */
+	NULL,				/* b_stop_notify */
+	NULL,				/* b_waitid_helper */
+	NULL,				/* b_sigcld_repost */
+	NULL,				/* b_issig_stop */
+	NULL,				/* b_savecontext */
+#if defined(_SYSCALL32_IMPL)
+	NULL,				/* b_savecontext32 */
+#endif
+	NULL,				/* b_restorecontext */
+	NULL,				/* b_sendsig_stack */
+	NULL,				/* b_sendsig */
+	NULL,				/* b_setid_clear */
+	NULL				/* b_pagefault */
 };
 
 #ifdef	sparc
@@ -94,9 +116,12 @@ struct brand_mach_ops sn1_mops = {
 
 struct brand_mach_ops sn1_mops = {
 	sn1_brand_sysenter_callback,
+	NULL,
 	sn1_brand_int91_callback,
 	sn1_brand_syscall_callback,
-	sn1_brand_syscall32_callback
+	sn1_brand_syscall32_callback,
+	NULL,
+	NULL
 };
 
 #else	/* ! __amd64 */
@@ -104,7 +129,10 @@ struct brand_mach_ops sn1_mops = {
 struct brand_mach_ops sn1_mops = {
 	sn1_brand_sysenter_callback,
 	NULL,
+	NULL,
 	sn1_brand_syscall_callback,
+	NULL,
+	NULL,
 	NULL
 };
 #endif	/* __amd64 */
@@ -115,7 +143,8 @@ struct brand	sn1_brand = {
 	BRAND_VER_1,
 	"sn1",
 	&sn1_brops,
-	&sn1_mops
+	&sn1_mops,
+	sizeof (brand_proc_data_t),
 };
 
 static struct modlbrand modlbrand = {
@@ -151,7 +180,7 @@ sn1_setattr(zone_t *zone, int attr, void *buf, size_t bufsize)
 /*ARGSUSED*/
 int
 sn1_brandsys(int cmd, int64_t *rval, uintptr_t arg1, uintptr_t arg2,
-    uintptr_t arg3, uintptr_t arg4, uintptr_t arg5, uintptr_t arg6)
+    uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
 {
 	int	res;
 
@@ -171,9 +200,9 @@ sn1_copy_procdata(proc_t *child, proc_t *parent)
 }
 
 void
-sn1_proc_exit(struct proc *p, klwp_t *l)
+sn1_proc_exit(struct proc *p)
 {
-	brand_solaris_proc_exit(p, l, &sn1_brand);
+	brand_solaris_proc_exit(p, &sn1_brand);
 }
 
 void
@@ -182,10 +211,10 @@ sn1_exec()
 	brand_solaris_exec(&sn1_brand);
 }
 
-int
-sn1_initlwp(klwp_t *l)
+void
+sn1_initlwp(klwp_t *l, void *bd)
 {
-	return (brand_solaris_initlwp(l, &sn1_brand));
+	brand_solaris_initlwp(l, &sn1_brand);
 }
 
 void
@@ -221,11 +250,11 @@ sn1_init_brand_data(zone_t *zone)
 int
 sn1_elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
 	int level, long *execsz, int setid, caddr_t exec_file, cred_t *cred,
-	int brand_action)
+	int *brand_action)
 {
 	return (brand_solaris_elfexec(vp, uap, args, idatap, level, execsz,
 	    setid, exec_file, cred, brand_action, &sn1_brand, SN1_BRANDNAME,
-	    SN1_LIB, SN1_LIB32, SN1_LINKER, SN1_LINKER32));
+	    SN1_LIB, SN1_LIB32));
 }
 
 int
diff --git a/usr/src/uts/common/brand/sn1/sn1_brand.h b/usr/src/uts/common/brand/sn1/sn1_brand.h
index b487745e21..fef9dc128b 100644
--- a/usr/src/uts/common/brand/sn1/sn1_brand.h
+++ b/usr/src/uts/common/brand/sn1/sn1_brand.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  */
 
 #ifndef _SN1_BRAND_H
@@ -37,20 +38,14 @@ extern "C" {
 #define	SN1_VERSION		SN1_VERSION_1
 
 #define	SN1_LIB_NAME		"sn1_brand.so.1"
-#define	SN1_LINKER_NAME		"ld.so.1"
 
 #define	SN1_LIB32		BRAND_NATIVE_DIR "usr/lib/" SN1_LIB_NAME
-#define	SN1_LINKER32		"/lib/" SN1_LINKER_NAME
-
 #define	SN1_LIB64		BRAND_NATIVE_DIR "usr/lib/64/" SN1_LIB_NAME
-#define	SN1_LINKER64		"/lib/64/" SN1_LINKER_NAME
 
 #if defined(_LP64)
 #define	SN1_LIB		SN1_LIB64
-#define	SN1_LINKER	SN1_LINKER64
 #else /* !_LP64 */
 #define	SN1_LIB		SN1_LIB32
-#define	SN1_LINKER	SN1_LINKER32
 #endif /* !_LP64 */
 
 #if defined(_KERNEL)
diff --git a/usr/src/uts/common/brand/sngl/sngl_brand.c b/usr/src/uts/common/brand/sngl/sngl_brand.c
new file mode 100644
index 0000000000..3d4da3c441
--- /dev/null
+++ b/usr/src/uts/common/brand/sngl/sngl_brand.c
@@ -0,0 +1,275 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2015, Joyent, Inc. All rights reserved.
+ */
+
+#include <sys/errno.h>
+#include <sys/exec.h>
+#include <sys/file.h>
+#include <sys/kmem.h>
+#include <sys/modctl.h>
+#include <sys/model.h>
+#include <sys/proc.h>
+#include <sys/syscall.h>
+#include <sys/systm.h>
+#include <sys/thread.h>
+#include <sys/cmn_err.h>
+#include <sys/archsystm.h>
+#include <sys/pathname.h>
+#include <sys/sunddi.h>
+
+#include <sys/machbrand.h>
+#include <sys/brand.h>
+#include "sngl_brand.h"
+
+char *sngl_emulation_table = NULL;
+
+void	sngl_init_brand_data(zone_t *);
+void	sngl_free_brand_data(zone_t *);
+void	sngl_setbrand(proc_t *);
+int	sngl_getattr(zone_t *, int, void *, size_t *);
+int	sngl_setattr(zone_t *, int, void *, size_t);
+int	sngl_brandsys(int, int64_t *, uintptr_t, uintptr_t, uintptr_t,
+	uintptr_t, uintptr_t);
+void	sngl_copy_procdata(proc_t *, proc_t *);
+void	sngl_proc_exit(struct proc *);
+void	sngl_exec();
+void	sngl_initlwp(klwp_t *, void *);
+void	sngl_forklwp(klwp_t *, klwp_t *);
+void	sngl_freelwp(klwp_t *);
+void	sngl_lwpexit(klwp_t *);
+int	sngl_elfexec(vnode_t *, execa_t *, uarg_t *, intpdata_t *, int,
+	long *, int, caddr_t, cred_t *, int *);
+
+/* SNGL brand */
+struct brand_ops sngl_brops = {
+	sngl_init_brand_data,		/* b_init_brand_data */
+	sngl_free_brand_data,		/* b_free_brand_data */
+	sngl_brandsys,			/* b_brandsys */
+	sngl_setbrand,			/* b_setbrand */
+	sngl_getattr,			/* b_getattr */
+	sngl_setattr,			/* b_setattr */
+	sngl_copy_procdata,		/* b_copy_procdata */
+	sngl_proc_exit,			/* b_proc_exit */
+	sngl_exec,			/* b_exec */
+	lwp_setrval,			/* b_lwp_setrval */
+	NULL,				/* b_lwpdata_alloc */
+	NULL,				/* b_lwpdata_free */
+	sngl_initlwp,			/* b_initlwp */
+	sngl_forklwp,			/* b_forklwp */
+	sngl_freelwp,			/* b_freelwp */
+	sngl_lwpexit,			/* b_lwpexit */
+	sngl_elfexec,			/* b_elfexec */
+	NULL,				/* b_sigset_native_to_brand */
+	NULL,				/* b_sigset_brand_to_native */
+	NULL,				/* b_psig_to_proc */
+	NSIG,				/* b_nsig */
+	NULL,				/* b_exit_with_sig */
+	NULL,				/* b_wait_filter */
+	NULL,				/* b_native_exec */
+	NULL,				/* b_ptrace_exectrap */
+	NULL,				/* b_map32limit */
+	NULL,				/* b_stop_notify */
+	NULL,				/* b_waitid_helper */
+	NULL,				/* b_sigcld_repost */
+	NULL,				/* b_issig_stop */
+	NULL,				/* b_savecontext */
+#if defined(_SYSCALL32_IMPL)
+	NULL,				/* b_savecontext32 */
+#endif
+	NULL,				/* b_restorecontext */
+	NULL,				/* b_sendsig_stack */
+	NULL,				/* b_sendsig */
+	NULL,				/* b_setid_clear */
+	NULL				/* b_pagefault */
+};
+
+#ifdef	__amd64
+
+struct brand_mach_ops sngl_mops = {
+	sngl_brand_sysenter_callback,
+	sngl_brand_int91_callback,
+	sngl_brand_syscall_callback,
+	sngl_brand_syscall32_callback,
+	NULL
+};
+
+#else	/* ! __amd64 */
+
+struct brand_mach_ops sngl_mops = {
+	sngl_brand_sysenter_callback,
+	NULL,
+	sngl_brand_syscall_callback,
+	NULL,
+	NULL
+};
+#endif	/* __amd64 */
+
+struct brand	sngl_brand = {
+	BRAND_VER_1,
+	"sngl",
+	&sngl_brops,
+	&sngl_mops,
+	sizeof (brand_proc_data_t),
+};
+
+static struct modlbrand modlbrand = {
+	&mod_brandops,		/* type of module */
+	"SNGL Brand",		/* description of module */
+	&sngl_brand		/* driver ops */
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1, (void *)&modlbrand, NULL
+};
+
+void
+sngl_setbrand(proc_t *p)
+{
+	brand_solaris_setbrand(p, &sngl_brand);
+}
+
+/*ARGSUSED*/
+int
+sngl_getattr(zone_t *zone, int attr, void *buf, size_t *bufsize)
+{
+	return (EINVAL);
+}
+
+/*ARGSUSED*/
+int
+sngl_setattr(zone_t *zone, int attr, void *buf, size_t bufsize)
+{
+	return (EINVAL);
+}
+
+/*ARGSUSED*/
+int
+sngl_brandsys(int cmd, int64_t *rval, uintptr_t arg1, uintptr_t arg2,
+    uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
+{
+	int	res;
+
+	*rval = 0;
+	res = brand_solaris_cmd(cmd, arg1, arg2, arg3, &sngl_brand,
+	    SNGL_VERSION);
+	if (res >= 0)
+		return (res);
+
+	return (EINVAL);
+}
+
+void
+sngl_copy_procdata(proc_t *child, proc_t *parent)
+{
+	brand_solaris_copy_procdata(child, parent, &sngl_brand);
+}
+
+void
+sngl_proc_exit(struct proc *p)
+{
+	brand_solaris_proc_exit(p, &sngl_brand);
+}
+
+void
+sngl_exec()
+{
+	brand_solaris_exec(&sngl_brand);
+}
+
+void
+sngl_initlwp(klwp_t *l, void *bd)
+{
+	brand_solaris_initlwp(l, &sngl_brand);
+}
+
+void
+sngl_forklwp(klwp_t *p, klwp_t *c)
+{
+	brand_solaris_forklwp(p, c, &sngl_brand);
+}
+
+void
+sngl_freelwp(klwp_t *l)
+{
+	brand_solaris_freelwp(l, &sngl_brand);
+}
+
+void
+sngl_lwpexit(klwp_t *l)
+{
+	brand_solaris_lwpexit(l, &sngl_brand);
+}
+
+void
+sngl_free_brand_data(zone_t *zone)
+{
+}
+
+void
+sngl_init_brand_data(zone_t *zone)
+{
+}
+
+int
+sngl_elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
+	int level, long *execsz, int setid, caddr_t exec_file, cred_t *cred,
+	int *brand_action)
+{
+	return (brand_solaris_elfexec(vp, uap, args, idatap, level, execsz,
+	    setid, exec_file, cred, brand_action, &sngl_brand, SNGL_BRANDNAME,
+	    SNGL_LIB, SNGL_LIB32));
+}
+
+int
+_init(void)
+{
+	int err;
+
+	/*
+	 * Set up the table to interpose on open.
+	 */
+	sngl_emulation_table = kmem_zalloc(NSYSCALL, KM_SLEEP);
+	sngl_emulation_table[SYS_open] = 1;			/*   5 */
+
+	err = mod_install(&modlinkage);
+	if (err) {
+		cmn_err(CE_WARN, "Couldn't install brand module");
+		kmem_free(sngl_emulation_table, NSYSCALL);
+	}
+
+	return (err);
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	return (brand_solaris_fini(&sngl_emulation_table, &modlinkage,
+	    &sngl_brand));
+}
diff --git a/usr/src/uts/common/brand/sngl/sngl_brand.h b/usr/src/uts/common/brand/sngl/sngl_brand.h
new file mode 100644
index 0000000000..7c6cbd5412
--- /dev/null
+++ b/usr/src/uts/common/brand/sngl/sngl_brand.h
@@ -0,0 +1,65 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2014, Joyent, Inc. All rights reserved.
+ */
+
+#ifndef _SNGL_BRAND_H
+#define	_SNGL_BRAND_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#include <sys/brand.h>
+
+#define	SNGL_BRANDNAME		"sngl"
+
+#define	SNGL_VERSION		1
+
+#define	SNGL_LIB_NAME		"sngl_brand.so.1"
+#define	SNGL_LIB32		"/system/usr/lib/" SNGL_LIB_NAME
+#define	SNGL_LIB64		"/system/usr/lib/64/" SNGL_LIB_NAME
+
+#if defined(_LP64)
+#define	SNGL_LIB	SNGL_LIB64
+#else /* !_LP64 */
+#define	SNGL_LIB	SNGL_LIB32
+#endif /* !_LP64 */
+
+#if defined(_KERNEL)
+
+void sngl_brand_syscall_callback(void);
+void sngl_brand_sysenter_callback(void);
+
+#if defined(__amd64)
+void sngl_brand_syscall32_callback(void);
+void sngl_brand_int91_callback(void);
+#endif /* __amd64 */
+
+#endif /* _KERNEL */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SNGL_BRAND_H */
diff --git a/usr/src/uts/common/brand/solaris10/s10_brand.c b/usr/src/uts/common/brand/solaris10/s10_brand.c
index f24b864eef..1dc2671386 100644
--- a/usr/src/uts/common/brand/solaris10/s10_brand.c
+++ b/usr/src/uts/common/brand/solaris10/s10_brand.c
@@ -22,6 +22,7 @@
 /*
  * Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
  */
 
 #include <sys/errno.h>
@@ -51,39 +52,60 @@ void	s10_setbrand(proc_t *);
 int	s10_getattr(zone_t *, int, void *, size_t *);
 int	s10_setattr(zone_t *, int, void *, size_t);
 int	s10_brandsys(int, int64_t *, uintptr_t, uintptr_t, uintptr_t,
-		uintptr_t, uintptr_t, uintptr_t);
+		uintptr_t, uintptr_t);
 void	s10_copy_procdata(proc_t *, proc_t *);
-void	s10_proc_exit(struct proc *, klwp_t *);
+void	s10_proc_exit(struct proc *);
 void	s10_exec();
-int	s10_initlwp(klwp_t *);
+void	s10_initlwp(klwp_t *, void *);
 void	s10_forklwp(klwp_t *, klwp_t *);
 void	s10_freelwp(klwp_t *);
 void	s10_lwpexit(klwp_t *);
 int	s10_elfexec(vnode_t *, execa_t *, uarg_t *, intpdata_t *, int,
-	long *, int, caddr_t, cred_t *, int);
+	long *, int, caddr_t, cred_t *, int *);
 void	s10_sigset_native_to_s10(sigset_t *);
 void	s10_sigset_s10_to_native(sigset_t *);
 
 /* s10 brand */
 struct brand_ops s10_brops = {
-	s10_init_brand_data,
-	s10_free_brand_data,
-	s10_brandsys,
-	s10_setbrand,
-	s10_getattr,
-	s10_setattr,
-	s10_copy_procdata,
-	s10_proc_exit,
-	s10_exec,
-	lwp_setrval,
-	s10_initlwp,
-	s10_forklwp,
-	s10_freelwp,
-	s10_lwpexit,
-	s10_elfexec,
-	s10_sigset_native_to_s10,
-	s10_sigset_s10_to_native,
-	S10_NSIG,
+	s10_init_brand_data,		/* b_init_brand_data */
+	s10_free_brand_data,		/* b_free_brand_data */
+	s10_brandsys,			/* b_brandsys */
+	s10_setbrand,			/* b_setbrand */
+	s10_getattr,			/* b_getattr */
+	s10_setattr,			/* b_setattr */
+	s10_copy_procdata,		/* b_copy_procdata */
+	s10_proc_exit,			/* b_proc_exit */
+	s10_exec,			/* b_exec */
+	lwp_setrval,			/* b_lwp_setrval */
+	NULL,				/* b_lwpdata_alloc */
+	NULL,				/* b_lwpdata_free */
+	s10_initlwp,			/* b_initlwp */
+	s10_forklwp,			/* b_forklwp */
+	s10_freelwp,			/* b_freelwp */
+	s10_lwpexit,			/* b_lwpexit */
+	s10_elfexec,			/* b_elfexec */
+	s10_sigset_native_to_s10,	/* b_sigset_native_to_brand */
+	s10_sigset_s10_to_native,	/* b_sigset_brand_to_native */
+	NULL,				/* b_psig_to_proc */
+	S10_NSIG,			/* b_nsig */
+	NULL,				/* b_exit_with_sig */
+	NULL,				/* b_wait_filter */
+	NULL,				/* b_native_exec */
+	NULL,				/* b_ptrace_exectrap */
+	NULL,				/* b_map32limit */
+	NULL,				/* b_stop_notify */
+	NULL,				/* b_waitid_helper */
+	NULL,				/* b_sigcld_repost */
+	NULL,				/* b_issig_stop */
+	NULL,				/* b_savecontext */
+#if defined(_SYSCALL32_IMPL)
+	NULL,				/* b_savecontext32 */
+#endif
+	NULL,				/* b_restorecontext */
+	NULL,				/* b_sendsig_stack */
+	NULL,				/* b_sendsig */
+	NULL,				/* b_setid_clear */
+	NULL				/* b_pagefault */
 };
 
 #ifdef	sparc
@@ -99,9 +121,12 @@ struct brand_mach_ops s10_mops = {
 
 struct brand_mach_ops s10_mops = {
 	s10_brand_sysenter_callback,
+	NULL,
 	s10_brand_int91_callback,
 	s10_brand_syscall_callback,
-	s10_brand_syscall32_callback
+	s10_brand_syscall32_callback,
+	NULL,
+	NULL
 };
 
 #else	/* ! __amd64 */
@@ -109,7 +134,10 @@ struct brand_mach_ops s10_mops = {
 struct brand_mach_ops s10_mops = {
 	s10_brand_sysenter_callback,
 	NULL,
+	NULL,
 	s10_brand_syscall_callback,
+	NULL,
+	NULL,
 	NULL
 };
 #endif	/* __amd64 */
@@ -120,7 +148,8 @@ struct brand	s10_brand = {
 	BRAND_VER_1,
 	"solaris10",
 	&s10_brops,
-	&s10_mops
+	&s10_mops,
+	sizeof (brand_proc_data_t),
 };
 
 static struct modlbrand modlbrand = {
@@ -252,7 +281,7 @@ s10_native(void *cmd, void *args)
 /*ARGSUSED*/
 int
 s10_brandsys(int cmd, int64_t *rval, uintptr_t arg1, uintptr_t arg2,
-    uintptr_t arg3, uintptr_t arg4, uintptr_t arg5, uintptr_t arg6)
+    uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
 {
 	proc_t	*p = curproc;
 	int	res;
@@ -326,9 +355,9 @@ s10_copy_procdata(proc_t *child, proc_t *parent)
 }
 
 void
-s10_proc_exit(struct proc *p, klwp_t *l)
+s10_proc_exit(struct proc *p)
 {
-	brand_solaris_proc_exit(p, l, &s10_brand);
+	brand_solaris_proc_exit(p, &s10_brand);
 }
 
 void
@@ -337,10 +366,10 @@ s10_exec()
 	brand_solaris_exec(&s10_brand);
 }
 
-int
-s10_initlwp(klwp_t *l)
+void
+s10_initlwp(klwp_t *l, void *bd)
 {
-	return (brand_solaris_initlwp(l, &s10_brand));
+	brand_solaris_initlwp(l, &s10_brand);
 }
 
 void
@@ -390,11 +419,11 @@ s10_init_brand_data(zone_t *zone)
 int
 s10_elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
 	int level, long *execsz, int setid, caddr_t exec_file, cred_t *cred,
-	int brand_action)
+	int *brand_action)
 {
 	return (brand_solaris_elfexec(vp, uap, args, idatap, level, execsz,
 	    setid, exec_file, cred, brand_action, &s10_brand, S10_BRANDNAME,
-	    S10_LIB, S10_LIB32, S10_LINKER, S10_LINKER32));
+	    S10_LIB, S10_LIB32));
 }
 
 void
diff --git a/usr/src/uts/common/brand/solaris10/s10_brand.h b/usr/src/uts/common/brand/solaris10/s10_brand.h
index 11f9853f48..ffef485e12 100644
--- a/usr/src/uts/common/brand/solaris10/s10_brand.h
+++ b/usr/src/uts/common/brand/solaris10/s10_brand.h
@@ -22,6 +22,7 @@
 /*
  * Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  */
 
 #ifndef _S10_BRAND_H
@@ -42,17 +43,12 @@ extern "C" {
 #define	S10_LINKER_NAME		"ld.so.1"
 
 #define	S10_LIB32		BRAND_NATIVE_DIR "usr/lib/" S10_LIB_NAME
-#define	S10_LINKER32		"/lib/" S10_LINKER_NAME
-
 #define	S10_LIB64		BRAND_NATIVE_DIR "usr/lib/64/" S10_LIB_NAME
-#define	S10_LINKER64		"/lib/64/" S10_LINKER_NAME
 
 #if defined(_LP64)
 #define	S10_LIB		S10_LIB64
-#define	S10_LINKER	S10_LINKER64
 #else /* !_LP64 */
 #define	S10_LIB		S10_LIB32
-#define	S10_LINKER	S10_LINKER32
 #endif /* !_LP64 */
 
 /*
diff --git a/usr/src/uts/common/conf/param.c b/usr/src/uts/common/conf/param.c
index 6b3ba51f31..a71be771fd 100644
--- a/usr/src/uts/common/conf/param.c
+++ b/usr/src/uts/common/conf/param.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 1983, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  * Copyright 2012 Milan Jurik. All rights reserved.
  */
 
@@ -559,8 +560,8 @@ char *isa_list = architecture;
 static pgcnt_t original_physmem = 0;
 
 #define	MIN_DEFAULT_MAXUSERS	8u
-#define	MAX_DEFAULT_MAXUSERS	2048u
-#define	MAX_MAXUSERS		4096u
+#define	MAX_DEFAULT_MAXUSERS	10000u
+#define	MAX_MAXUSERS		20000u
 
 void
 param_preset(void)
@@ -572,7 +573,7 @@ void
 param_calc(int platform_max_nprocs)
 {
 	/*
-	 * Default to about one "user" per megabyte, taking into
+	 * Default to about one "user" per 8MB, taking into
 	 * account both physical and virtual constraints.
 	 * Note: 2^20 is a meg; shifting right by (20 - PAGESHIFT)
 	 * converts pages to megs without integer overflow.
@@ -586,8 +587,9 @@ param_calc(int platform_max_nprocs)
 	if (maxusers == 0) {
 		pgcnt_t physmegs = physmem >> (20 - PAGESHIFT);
 		pgcnt_t virtmegs = vmem_size(heap_arena, VMEM_FREE) >> 20;
-		maxusers = MIN(MAX(MIN(physmegs, virtmegs),
-		    MIN_DEFAULT_MAXUSERS), MAX_DEFAULT_MAXUSERS);
+		maxusers = MIN(physmegs, virtmegs) >> 3; /* divide by 8 */
+		maxusers = MAX(maxusers, MIN_DEFAULT_MAXUSERS);
+		maxusers = MIN(maxusers, MAX_DEFAULT_MAXUSERS);
 	}
 	if (maxusers > MAX_MAXUSERS) {
 		maxusers = MAX_MAXUSERS;
diff --git a/usr/src/uts/common/crypto/api/kcf_random.c b/usr/src/uts/common/crypto/api/kcf_random.c
index bc72fa984a..75072fb686 100644
--- a/usr/src/uts/common/crypto/api/kcf_random.c
+++ b/usr/src/uts/common/crypto/api/kcf_random.c
@@ -70,6 +70,7 @@
 #include <sys/cpuvar.h>
 #include <sys/taskq.h>
 #include <rng/fips_random.h>
+#include <sys/strlog.h>
 
 #define	RNDPOOLSIZE		1024	/* Pool size in bytes */
 #define	MINEXTRACTBYTES		20
@@ -933,7 +934,8 @@ rnd_handler(void *arg)
 	int len = 0;
 
 	if (!rng_prov_found && rng_ok_to_log) {
-		cmn_err(CE_WARN, "No randomness provider enabled for "
+		(void) strlog(0, 0, 0, SL_NOTE,
+		    "No randomness provider enabled for "
 		    "/dev/random. Use cryptoadm(1M) to enable a provider.");
 		rng_ok_to_log = B_FALSE;
 	}
diff --git a/usr/src/uts/common/crypto/core/kcf_sched.c b/usr/src/uts/common/crypto/core/kcf_sched.c
index f461fe048c..8b2760b237 100644
--- a/usr/src/uts/common/crypto/core/kcf_sched.c
+++ b/usr/src/uts/common/crypto/core/kcf_sched.c
@@ -1027,9 +1027,9 @@ kcfpool_svc(void *arg)
 			case 0:
 			case -1:
 				/*
-				 * Woke up with no work to do. Check
-				 * if this thread should exit. We keep
-				 * at least kcf_minthreads.
+				 * Woke up with no work to do. Check if we
+				 * should lwp_exit() (which won't return). We
+				 * keep at least kcf_minthreads.
 				 */
 				if (kcfpool->kp_threads > kcf_minthreads) {
 					KCF_ATOMIC_DECR(kcfpool->kp_threads);
diff --git a/usr/src/uts/common/ctf/ctf_mod.c b/usr/src/uts/common/ctf/ctf_mod.c
index b34cf400cd..421b922c96 100644
--- a/usr/src/uts/common/ctf/ctf_mod.c
+++ b/usr/src/uts/common/ctf/ctf_mod.c
@@ -24,8 +24,6 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <sys/sysmacros.h>
 #include <sys/modctl.h>
 #include <sys/debug.h>
@@ -117,6 +115,15 @@ ctf_version(int version)
 
 /*ARGSUSED*/
 ctf_file_t *
+ctf_fdcreate_int(int fd, int *errp, ctf_sect_t *ctfp)
+{
+	if (errp != NULL)
+		*errp = ENOTSUP;
+	return (NULL);
+}
+
+/*ARGSUSED*/
+ctf_file_t *
 ctf_modopen(struct module *mp, int *error)
 {
 	ctf_sect_t ctfsect, symsect, strsect;
diff --git a/usr/src/uts/common/disp/cmt.c b/usr/src/uts/common/disp/cmt.c
index 1c5e1f79a9..3ecbf39393 100644
--- a/usr/src/uts/common/disp/cmt.c
+++ b/usr/src/uts/common/disp/cmt.c
@@ -201,13 +201,15 @@ pg_cmt_cpu_startup(cpu_t *cp)
 
 /*
  * Return non-zero if thread can migrate between "from" and "to"
- * without a performance penalty
+ * without a performance penalty.  This is true only if we share a core on
+ * virtually any CPU; sharing the last-level cache is insufficient to make
+ * migration possible without penalty.
  */
 int
 pg_cmt_can_migrate(cpu_t *from, cpu_t *to)
 {
-	if (from->cpu_physid->cpu_cacheid ==
-	    to->cpu_physid->cpu_cacheid)
+	if (from->cpu_physid->cpu_coreid ==
+	    to->cpu_physid->cpu_coreid)
 		return (1);
 	return (0);
 }
diff --git a/usr/src/uts/common/disp/cpucaps.c b/usr/src/uts/common/disp/cpucaps.c
index 46f53faab6..2a4365ff73 100644
--- a/usr/src/uts/common/disp/cpucaps.c
+++ b/usr/src/uts/common/disp/cpucaps.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2013 Joyent, Inc.  All rights reserved.
  */
 
 #include <sys/disp.h>
@@ -74,6 +75,32 @@
  * Putting threads on wait queues in random places while running in the
  * kernel might lead to all kinds of locking problems.
  *
+ * Bursting
+ * ========
+ *
+ * CPU bursting occurs when the CPU usage is over the baseline but under the
+ * cap.  The baseline CPU (zone.cpu-baseline) is set in a multi-tenant
+ * environment so that we know how much CPU is allocated for a tenant under
+ * normal utilization.  We can then track how much time a zone is spending
+ * over the "normal" CPU utilization expected for that zone using the
+ * "above_base_sec" kstat. This kstat is cumulative.
+ *
+ * If the zone has a burst limit (zone.cpu-burst-time) then the zone can
+ * burst for that period of time (in seconds) before the effective cap is
+ * lowered to the baseline.  Once the effective cap is lowered, the zone
+ * will run at the baseline for the burst limit before the effective cap is
+ * raised again to the full value.  This will allow the zone to burst again.
+ * We can watch this behavior using the kstats.  The "effective" kstat shows
+ * which cap is being used, the baseline value or the burst value.  The
+ * "burst_limit_sec" shows the value of the zone.cpu-burst-time rctl and the
+ * "bursting_sec" kstat shows how many seconds the zone has currently been
+ * bursting.  When the CPU load is continuously greater than the baseline,
+ * bursting_sec will increase, up to the burst_limit_sec value, then the
+ * effective kstat will drop to the baseline and the bursting_sec value will
+ * decrease until it hits 0, at which time the effective kstat will return to
+ * the full burst value and the bursting_sec value will begin to increase
+ * again.
+ *
  * Accounting
  * ==========
  *
@@ -203,18 +230,28 @@ static void caps_update();
  */
 struct cap_kstat {
 	kstat_named_t	cap_value;
+	kstat_named_t	cap_baseline;
+	kstat_named_t	cap_effective;
+	kstat_named_t	cap_burst_limit;
+	kstat_named_t	cap_bursting;
 	kstat_named_t	cap_usage;
 	kstat_named_t	cap_nwait;
 	kstat_named_t	cap_below;
 	kstat_named_t	cap_above;
+	kstat_named_t	cap_above_base;
 	kstat_named_t	cap_maxusage;
 	kstat_named_t	cap_zonename;
 } cap_kstat = {
 	{ "value",	KSTAT_DATA_UINT64 },
+	{ "baseline",	KSTAT_DATA_UINT64 },
+	{ "effective",	KSTAT_DATA_UINT64 },
+	{ "burst_limit_sec", KSTAT_DATA_UINT64 },
+	{ "bursting_sec", KSTAT_DATA_UINT64 },
 	{ "usage",	KSTAT_DATA_UINT64 },
 	{ "nwait",	KSTAT_DATA_UINT64 },
 	{ "below_sec",	KSTAT_DATA_UINT64 },
 	{ "above_sec",	KSTAT_DATA_UINT64 },
+	{ "above_base_sec", KSTAT_DATA_UINT64 },
 	{ "maxusage",	KSTAT_DATA_UINT64 },
 	{ "zonename",	KSTAT_DATA_STRING },
 };
@@ -311,7 +348,7 @@ cap_enable(list_t *l, cpucap_t *cap, hrtime_t value)
 	cap->cap_below = cap->cap_above = 0;
 	cap->cap_maxusage = 0;
 	cap->cap_usage = 0;
-	cap->cap_value = value;
+	cap->cap_value = cap->cap_chk_value = value;
 	waitq_unblock(&cap->cap_waitq);
 	if (CPUCAPS_OFF()) {
 		cpucaps_enabled = B_TRUE;
@@ -340,19 +377,21 @@ cap_disable(list_t *l, cpucap_t *cap)
 	ASSERT(CAP_ENABLED(cap));
 
 	waitq_block(&cap->cap_waitq);
+
+	/* do this first to avoid race with cap_kstat_update */
+	if (cap->cap_kstat != NULL) {
+		kstat_delete(cap->cap_kstat);
+		cap->cap_kstat = NULL;
+	}
+
 	list_remove(l, cap);
 	if (list_is_empty(&capped_projects) && list_is_empty(&capped_zones)) {
 		cpucaps_enabled = B_FALSE;
 		cpucaps_clock_callout = NULL;
 	}
-	cap->cap_value = 0;
+	cap->cap_value = cap->cap_chk_value = 0;
 	cap->cap_project = NULL;
 	cap->cap_zone = NULL;
-	if (cap->cap_kstat != NULL) {
-		kstat_delete(cap->cap_kstat);
-		cap->cap_kstat = NULL;
-	}
-
 }
 
 /*
@@ -487,6 +526,8 @@ cap_walk(list_t *l, void (*cb)(cpucap_t *, int64_t))
  * The waitq_isempty check is performed without the waitq lock. If a new thread
  * is placed on the waitq right after the check, it will be picked up during the
  * next invocation of cap_poke_waitq().
+ *
+ * Called once per tick for zones.
  */
 /* ARGSUSED */
 static void
@@ -494,15 +535,92 @@ cap_poke_waitq(cpucap_t *cap, int64_t gen)
 {
 	ASSERT(MUTEX_HELD(&caps_lock));
 
-	if (cap->cap_usage >= cap->cap_value) {
+	if (cap->cap_base != 0) {
+		/*
+		 * Because of the way usage is calculated and decayed, its
+		 * possible for the zone to be slightly over its cap, but we
+		 * don't want to count that after we have reduced the effective
+		 * cap to the baseline.  That way the zone will be able to
+		 * burst again after the burst_limit has expired.
+		 */
+		if (cap->cap_usage > cap->cap_base &&
+		    cap->cap_chk_value == cap->cap_value) {
+			cap->cap_above_base++;
+
+			/*
+			 * If bursting is limited and we've been bursting
+			 * longer than we're supposed to, then set the
+			 * effective cap to the baseline.
+			 */
+			if (cap->cap_burst_limit != 0) {
+				cap->cap_bursting++;
+				if (cap->cap_bursting >= cap->cap_burst_limit)
+					cap->cap_chk_value = cap->cap_base;
+			}
+		} else if (cap->cap_bursting > 0) {
+			/*
+			 * We're not bursting now, but we were, decay the
+			 * bursting timer.
+			 */
+			cap->cap_bursting--;
+			/*
+			 * Reset the effective cap once we decay to 0 so we
+			 * can burst again.
+			 */
+			if (cap->cap_bursting == 0 &&
+			    cap->cap_chk_value != cap->cap_value)
+				cap->cap_chk_value = cap->cap_value;
+		}
+	}
+
+	if (cap->cap_usage >= cap->cap_chk_value) {
 		cap->cap_above++;
 	} else {
 		waitq_t *wq = &cap->cap_waitq;
 
 		cap->cap_below++;
 
-		if (!waitq_isempty(wq))
-			waitq_runone(wq);
+		if (!waitq_isempty(wq)) {
+			int i, ndequeue, p;
+
+			/*
+			 * Since this function is only called once per tick,
+			 * we can hit a situation where we have artificially
+			 * limited the project/zone below its cap.  This would
+			 * happen if we have multiple threads queued up but
+			 * only dequeued one thread/tick. To avoid this we
+			 * dequeue multiple threads, calculated based on the
+			 * usage percentage of the cap. It is possible that we
+			 * could dequeue too many threads and some of them
+			 * might be put back on the wait queue quickly, but
+			 * since we know that threads are on the wait queue
+			 * because we're capping, we know that there is unused
+			 * CPU cycles anyway, so this extra work would not
+			 * hurt. Also, the ndequeue number is only an upper
+			 * bound and we might dequeue less, depending on how
+			 * many threads are actually in the wait queue. The
+			 * ndequeue values are empirically derived and could be
+			 * adjusted or calculated in another way if necessary.
+			 */
+			p = (int)((100 * cap->cap_usage) / cap->cap_chk_value);
+			if (p >= 98)
+				ndequeue = 10;
+			else if (p >= 95)
+				ndequeue = 20;
+			else if (p >= 90)
+				ndequeue = 40;
+			else if (p >= 85)
+				ndequeue = 80;
+			else
+				ndequeue = 160;
+
+			for (i = 0; i < ndequeue; i++) {
+				waitq_runone(wq);
+				if (waitq_isempty(wq))
+					break;
+			}
+			DTRACE_PROBE2(cpucaps__pokeq, int, p, int, i);
+		}
 	}
 }
 
@@ -629,14 +747,14 @@ cap_project_zone_modify_walker(kproject_t *kpj, void *arg)
 		 * Remove all projects in this zone without caps
 		 * from the capped_projects list.
 		 */
-		if (project_cap->cap_value == MAX_USAGE) {
+		if (project_cap->cap_chk_value == MAX_USAGE) {
 			cap_project_disable(kpj);
 		}
 	} else if (CAP_DISABLED(project_cap)) {
 		/*
 		 * Add the project to capped_projects list.
 		 */
-		ASSERT(project_cap->cap_value == 0);
+		ASSERT(project_cap->cap_chk_value == 0);
 		cap_project_enable(kpj, MAX_USAGE);
 	}
 	mutex_exit(&caps_lock);
@@ -746,7 +864,7 @@ cpucaps_zone_set(zone_t *zone, rctl_qty_t cap_val)
 		/*
 		 * No state transitions, just change the value
 		 */
-		cap->cap_value = value;
+		cap->cap_value = cap->cap_chk_value = value;
 	}
 
 	ASSERT(MUTEX_HELD(&caps_lock));
@@ -757,6 +875,108 @@ cpucaps_zone_set(zone_t *zone, rctl_qty_t cap_val)
 }
 
 /*
+ * Set zone's base cpu value to base_val
+ */
+int
+cpucaps_zone_set_base(zone_t *zone, rctl_qty_t base_val)
+{
+	cpucap_t *cap = NULL;
+	hrtime_t value;
+
+	ASSERT(base_val <= MAXCAP);
+	if (base_val > MAXCAP)
+		base_val = MAXCAP;
+
+	if (CPUCAPS_OFF() || !ZONE_IS_CAPPED(zone))
+		return (0);
+
+	if (zone->zone_cpucap == NULL)
+		cap = cap_alloc();
+
+	mutex_enter(&caps_lock);
+
+	if (cpucaps_busy) {
+		mutex_exit(&caps_lock);
+		return (EBUSY);
+	}
+
+	/*
+	 * Double-check whether zone->zone_cpucap is NULL, now with caps_lock
+	 * held. If it is still NULL, assign a newly allocated cpucap to it.
+	 */
+	if (zone->zone_cpucap == NULL) {
+		zone->zone_cpucap = cap;
+	} else if (cap != NULL) {
+		cap_free(cap);
+	}
+
+	cap = zone->zone_cpucap;
+
+	value = base_val * cap_tick_cost;
+	if (value < 0 || value > cap->cap_value)
+		value = 0;
+
+	cap->cap_base = value;
+
+	mutex_exit(&caps_lock);
+
+	return (0);
+}
+
+/*
+ * Set zone's maximum burst time in seconds.  A burst time of 0 means that
+ * the zone can run over its baseline indefinitely.
+ */
+int
+cpucaps_zone_set_burst_time(zone_t *zone, rctl_qty_t base_val)
+{
+	cpucap_t *cap = NULL;
+	hrtime_t value;
+
+	ASSERT(base_val <= INT_MAX);
+	/* Treat the default as 0 - no limit */
+	if (base_val == INT_MAX)
+		base_val = 0;
+	if (base_val > INT_MAX)
+		base_val = INT_MAX;
+
+	if (CPUCAPS_OFF() || !ZONE_IS_CAPPED(zone))
+		return (0);
+
+	if (zone->zone_cpucap == NULL)
+		cap = cap_alloc();
+
+	mutex_enter(&caps_lock);
+
+	if (cpucaps_busy) {
+		mutex_exit(&caps_lock);
+		return (EBUSY);
+	}
+
+	/*
+	 * Double-check whether zone->zone_cpucap is NULL, now with caps_lock
+	 * held. If it is still NULL, assign a newly allocated cpucap to it.
+	 */
+	if (zone->zone_cpucap == NULL) {
+		zone->zone_cpucap = cap;
+	} else if (cap != NULL) {
+		cap_free(cap);
+	}
+
+	cap = zone->zone_cpucap;
+
+	value = SEC_TO_TICK(base_val);
+	if (value < 0)
+		value = 0;
+
+	cap->cap_burst_limit = value;
+
+	mutex_exit(&caps_lock);
+
+	return (0);
+}
+
+/*
  * The project is going away so disable its cap.
  */
 void
@@ -902,7 +1122,7 @@ cpucaps_project_set(kproject_t *kpj, rctl_qty_t cap_val)
 		if (CAP_DISABLED(cap))
 			cap_project_enable(kpj, value);
 		else
-			cap->cap_value = value;
+			cap->cap_value = cap->cap_chk_value = value;
 	} else if (CAP_ENABLED(cap)) {
 		/*
 		 * User requested to drop a cap on the project. If it is part of
@@ -910,7 +1130,7 @@ cpucaps_project_set(kproject_t *kpj, rctl_qty_t cap_val)
 		 * otherwise disable the cap.
 		 */
 		if (ZONE_IS_CAPPED(kpj->kpj_zone)) {
-			cap->cap_value = MAX_USAGE;
+			cap->cap_value = cap->cap_chk_value = MAX_USAGE;
 		} else {
 			cap_project_disable(kpj);
 		}
@@ -948,6 +1168,26 @@ cpucaps_zone_get(zone_t *zone)
 }
 
 /*
+ * Get current zone baseline.
+ */
+rctl_qty_t
+cpucaps_zone_get_base(zone_t *zone)
+{
+	return (zone->zone_cpucap != NULL ?
+	    (rctl_qty_t)(zone->zone_cpucap->cap_base / cap_tick_cost) : 0);
+}
+
+/*
+ * Get current zone maximum burst time.
+ */
+rctl_qty_t
+cpucaps_zone_get_burst_time(zone_t *zone)
+{
+	return (zone->zone_cpucap != NULL ?
+	    (rctl_qty_t)(TICK_TO_SEC(zone->zone_cpucap->cap_burst_limit)) : 0);
+}
+
+/*
  * Charge project of thread t the time thread t spent on CPU since previously
  * adjusted.
  *
@@ -1045,7 +1285,7 @@ cpucaps_charge(kthread_id_t t, caps_sc_t *csc, cpucaps_charge_t charge_type)
 
 	project_cap = kpj->kpj_cpucap;
 
-	if (project_cap->cap_usage >= project_cap->cap_value) {
+	if (project_cap->cap_usage >= project_cap->cap_chk_value) {
 		t->t_schedflag |= TS_PROJWAITQ;
 		rc = B_TRUE;
 	} else if (t->t_schedflag & TS_PROJWAITQ) {
@@ -1059,7 +1299,7 @@ cpucaps_charge(kthread_id_t t, caps_sc_t *csc, cpucaps_charge_t charge_type)
 	} else {
 		cpucap_t *zone_cap = zone->zone_cpucap;
 
-		if (zone_cap->cap_usage >= zone_cap->cap_value) {
+		if (zone_cap->cap_usage >= zone_cap->cap_chk_value) {
 			t->t_schedflag |= TS_ZONEWAITQ;
 			rc = B_TRUE;
 		} else if (t->t_schedflag & TS_ZONEWAITQ) {
@@ -1119,6 +1359,7 @@ cpucaps_enforce(kthread_t *t)
 
 /*
  * Convert internal cap statistics into values exported by cap kstat.
+ * Note that the kstat is held throughout this function but caps_lock is not.
  */
 static int
 cap_kstat_update(kstat_t *ksp, int rw)
@@ -1133,6 +1374,12 @@ cap_kstat_update(kstat_t *ksp, int rw)
 
 	capsp->cap_value.value.ui64 =
 	    ROUND_SCALE(cap->cap_value, cap_tick_cost);
+	capsp->cap_baseline.value.ui64 =
+	    ROUND_SCALE(cap->cap_base, cap_tick_cost);
+	capsp->cap_effective.value.ui64 =
+	    ROUND_SCALE(cap->cap_chk_value, cap_tick_cost);
+	capsp->cap_burst_limit.value.ui64 =
+	    ROUND_SCALE(cap->cap_burst_limit, tick_sec);
 	capsp->cap_usage.value.ui64 =
 	    ROUND_SCALE(cap->cap_usage, cap_tick_cost);
 	capsp->cap_maxusage.value.ui64 =
@@ -1140,6 +1387,10 @@ cap_kstat_update(kstat_t *ksp, int rw)
 	capsp->cap_nwait.value.ui64 = cap->cap_waitq.wq_count;
 	capsp->cap_below.value.ui64 = ROUND_SCALE(cap->cap_below, tick_sec);
 	capsp->cap_above.value.ui64 = ROUND_SCALE(cap->cap_above, tick_sec);
+	capsp->cap_above_base.value.ui64 =
+	    ROUND_SCALE(cap->cap_above_base, tick_sec);
+	capsp->cap_bursting.value.ui64 =
+	    ROUND_SCALE(cap->cap_bursting, tick_sec);
 	kstat_named_setstr(&capsp->cap_zonename, zonename);
 
 	return (0);
diff --git a/usr/src/uts/common/disp/disp.c b/usr/src/uts/common/disp/disp.c
index 0c2c0b4993..5f9c2c68a2 100644
--- a/usr/src/uts/common/disp/disp.c
+++ b/usr/src/uts/common/disp/disp.c
@@ -23,6 +23,10 @@
  * Use is subject to license terms.
  */
 
+/*
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ */
+
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
 /*	  All Rights Reserved  	*/
 
@@ -105,7 +109,7 @@ static void	cpu_resched(cpu_t *cp, pri_t tpri);
 /*
  * If this is set, only interrupt threads will cause kernel preemptions.
  * This is done by changing the value of kpreemptpri.  kpreemptpri
- * will either be the max sysclass pri + 1 or the min interrupt pri.
+ * will either be the max sysclass pri or the min interrupt pri.
  */
 int	only_intr_kpreempt;
 
@@ -252,7 +256,23 @@ dispinit(void)
 				maxglobpri = cl_maxglobpri;
 		}
 	}
-	kpreemptpri = (pri_t)v.v_maxsyspri + 1;
+
+	/*
+	 * Historically, kpreemptpri was set to v_maxsyspri + 1 -- which is
+	 * to say, maxclsyspri + 1.  However, over time, the system has used
+	 * more and more asynchronous kernel threads, with an increasing number
+	 * of these doing work on direct behalf of higher-level software (e.g.,
+	 * network processing).  This has led to potential priority inversions:
+	 * threads doing low-priority lengthy kernel work can effectively
+	 * delay kernel-level processing of higher-priority data. To minimize
+	 * such inversions, we set kpreemptpri to be v_maxsyspri; anything in
+	 * the kernel that runs at maxclsyspri will therefore induce kernel
+	 * preemption, and this priority should be used if/when an asynchronous
+	 * thread (or, as is often the case, task queue) is performing a task
+	 * on behalf of higher-level software (or any task that is otherwise
+	 * latency-sensitve).
+	 */
+	kpreemptpri = (pri_t)v.v_maxsyspri;
 	if (kpqpri == KPQPRI)
 		kpqpri = kpreemptpri;
 
@@ -2258,7 +2278,7 @@ disp_getbest(disp_t *dp)
 		 * placed earlier.
 		 */
 		if (tcp == NULL ||
-		    pri >= minclsyspri ||
+		    (pri >= minclsyspri && tp->t_procp == &p0) ||
 		    tp->t_cpu != tcp)
 			break;
 
diff --git a/usr/src/uts/common/disp/thread.c b/usr/src/uts/common/disp/thread.c
index f2685af534..ae6c5eef16 100644
--- a/usr/src/uts/common/disp/thread.c
+++ b/usr/src/uts/common/disp/thread.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 1991, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc.  All rights reserved.
  */
 
 #include <sys/types.h>
@@ -75,6 +75,10 @@
 #include <sys/cpucaps.h>
 #include <sys/kiconv.h>
 
+#ifndef	STACK_GROWTH_DOWN
+#error Stacks do not grow downward; 3b2 zombie attack detected!
+#endif
+
 struct kmem_cache *thread_cache;	/* cache of free threads */
 struct kmem_cache *lwp_cache;		/* cache of free lwps */
 struct kmem_cache *turnstile_cache;	/* cache of free turnstiles */
@@ -372,7 +376,7 @@ thread_create(
 		if (stksize <= sizeof (kthread_t) + PTR24_ALIGN)
 			cmn_err(CE_PANIC, "thread_create: proposed stack size"
 			    " too small to hold thread.");
-#ifdef STACK_GROWTH_DOWN
+
 		stksize -= SA(sizeof (kthread_t) + PTR24_ALIGN - 1);
 		stksize &= -PTR24_ALIGN;	/* make thread aligned */
 		t = (kthread_t *)(stk + stksize);
@@ -381,13 +385,6 @@ thread_create(
 			audit_thread_create(t);
 		t->t_stk = stk + stksize;
 		t->t_stkbase = stk;
-#else	/* stack grows to larger addresses */
-		stksize -= SA(sizeof (kthread_t));
-		t = (kthread_t *)(stk);
-		bzero(t, sizeof (kthread_t));
-		t->t_stk = stk + sizeof (kthread_t);
-		t->t_stkbase = stk + stksize + sizeof (kthread_t);
-#endif	/* STACK_GROWTH_DOWN */
 		t->t_flag |= T_TALLOCSTK;
 		t->t_swap = stk;
 	} else {
@@ -400,13 +397,8 @@ thread_create(
 		 * Initialize t_stk to the kernel stack pointer to use
 		 * upon entry to the kernel
 		 */
-#ifdef STACK_GROWTH_DOWN
 		t->t_stk = stk + stksize;
 		t->t_stkbase = stk;
-#else
-		t->t_stk = stk;			/* 3b2-like */
-		t->t_stkbase = stk + stksize;
-#endif /* STACK_GROWTH_DOWN */
 	}
 
 	if (kmem_stackinfo != 0) {
@@ -589,6 +581,9 @@ thread_exit(void)
 	if ((t->t_proc_flag & TP_ZTHREAD) != 0)
 		cmn_err(CE_PANIC, "thread_exit: zthread_exit() not called");
 
+	if ((t->t_flag & T_SPLITSTK) != 0)
+		cmn_err(CE_PANIC, "thread_exit: called when stack is split");
+
 	tsd_exit();		/* Clean up this thread's TSD */
 
 	kcpc_passivate();	/* clean up performance counter state */
@@ -1050,6 +1045,8 @@ installctx(
 	ctx->free_op = free;
 	ctx->arg = arg;
 	ctx->next = t->t_ctx;
+	ctx->save_ts = 0;
+	ctx->restore_ts = 0;
 	t->t_ctx = ctx;
 }
 
@@ -1124,9 +1121,12 @@ savectx(kthread_t *t)
 	struct ctxop *ctx;
 
 	ASSERT(t == curthread);
-	for (ctx = t->t_ctx; ctx != 0; ctx = ctx->next)
-		if (ctx->save_op != NULL)
+	for (ctx = t->t_ctx; ctx != 0; ctx = ctx->next) {
+		if (ctx->save_op != NULL) {
+			ctx->save_ts = gethrtime_unscaled();
 			(ctx->save_op)(ctx->arg);
+		}
+	}
 }
 
 void
@@ -1135,9 +1135,12 @@ restorectx(kthread_t *t)
 	struct ctxop *ctx;
 
 	ASSERT(t == curthread);
-	for (ctx = t->t_ctx; ctx != 0; ctx = ctx->next)
-		if (ctx->restore_op != NULL)
+	for (ctx = t->t_ctx; ctx != 0; ctx = ctx->next) {
+		if (ctx->restore_op != NULL) {
+			ctx->restore_ts = gethrtime_unscaled();
 			(ctx->restore_op)(ctx->arg);
+		}
+	}
 }
 
 void
@@ -1883,6 +1886,103 @@ thread_change_pri(kthread_t *t, pri_t disp_pri, int front)
 	return (on_rq);
 }
 
+
+/*
+ * There are occasions in the kernel when we need much more stack than we
+ * allocate by default, but we do not wish to have that work done
+ * asynchronously by another thread.  To accommodate these scenarios, we allow
+ * for a split stack (also known as a "segmented stack") whereby a new stack
+ * is dynamically allocated and the current thread jumps onto it for purposes
+ * of executing the specified function.  After the specified function returns,
+ * the stack is deallocated and control is returned to the caller.  This
+ * functionality is implemented by thread_splitstack(), below; there are a few
+ * constraints on its use:
+ *
+ * - The caller must be in a context where it is safe to block for memory.
+ * - The caller cannot be in a t_onfault context
+ * - The called function must not call thread_exit() while on the split stack
+ *
+ * The code will explicitly panic if these constraints are violated.  Notably,
+ * however, thread_splitstack() _can_ be called on a split stack -- there
+ * is no limit to the level that split stacks can nest.
+ *
+ * When the stack is split, it is constructed such that stack backtraces
+ * from kernel debuggers continue to function -- though note that DTrace's
+ * stack() action and stackdepth function will only show the stack up to and
+ * including thread_splitstack_run(); DTrace explicitly bounds itself to
+ * pointers that exist within the current declared stack as a safety
+ * mechanism.
+ */
+void
+thread_splitstack(void (*func)(void *), void *arg, size_t stksize)
+{
+	kthread_t *t = curthread;
+	caddr_t ostk, ostkbase, stk;
+	ushort_t otflag;
+
+	if (t->t_onfault != NULL)
+		panic("thread_splitstack: called with non-NULL t_onfault");
+
+	ostk = t->t_stk;
+	ostkbase = t->t_stkbase;
+	otflag = t->t_flag;
+
+	stksize = roundup(stksize, PAGESIZE);
+
+	if (stksize < default_stksize)
+		stksize = default_stksize;
+
+	if (stksize == default_stksize) {
+		stk = (caddr_t)segkp_cache_get(segkp_thread);
+	} else {
+		stksize = roundup(stksize, PAGESIZE);
+		stk = (caddr_t)segkp_get(segkp, stksize,
+		    (KPD_HASREDZONE | KPD_NO_ANON | KPD_LOCKED));
+	}
+
+	/*
+	 * We're going to lock ourselves before we set T_SPLITSTK to assure
+	 * that we're not swapped out in the meantime.  (Note that we don't
+	 * bother to set t_swap, as we're not going to be swapped out.)
+	 */
+	thread_lock(t);
+
+	if (!(otflag & T_SPLITSTK))
+		t->t_flag |= T_SPLITSTK;
+
+	t->t_stk = stk + stksize;
+	t->t_stkbase = stk;
+
+	thread_unlock(t);
+
+	/*
+	 * Now actually run on the new (split) stack...
+	 */
+	thread_splitstack_run(t->t_stk, func, arg);
+
+	/*
+	 * We're back onto our own stack; lock ourselves and restore our
+	 * pre-split state.
+	 */
+	thread_lock(t);
+
+	t->t_stk = ostk;
+	t->t_stkbase = ostkbase;
+
+	if (!(otflag & T_SPLITSTK))
+		t->t_flag &= ~T_SPLITSTK;
+
+	thread_unlock(t);
+
+	/*
+	 * Now that we are entirely back on our own stack, call back into
+	 * the platform layer to perform any platform-specific cleanup.
+	 */
+	thread_splitstack_cleanup();
+
+	segkp_release(segkp, stk);
+}
+
 /*
  * Tunable kmem_stackinfo is set, fill the kernel thread stack with a
  * specific pattern.
diff --git a/usr/src/uts/common/disp/thread_intr.c b/usr/src/uts/common/disp/thread_intr.c
index 67ccc6922f..c840bdf31a 100644
--- a/usr/src/uts/common/disp/thread_intr.c
+++ b/usr/src/uts/common/disp/thread_intr.c
@@ -23,19 +23,10 @@
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
-
 /*
- * FILE NOTICE BEGIN
- *
- * This file should not be modified.  If you wish to modify it or have it
- * modified, please contact Sun Microsystems at <LFI149367@-sun-.-com->
- * (without anti-spam dashes)
- *
- * FILE NOTICE END
+ * Copyright 2015, Joyent, Inc.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <sys/cpuvar.h>
 #include <sys/stack.h>
 #include <vm/seg_kp.h>
@@ -44,6 +35,17 @@
 #include <sys/sysmacros.h>
 
 /*
+ * Use a slightly larger thread stack size for interrupt threads rather than the
+ * default. This is useful for cases where the networking stack may do an rx and
+ * a tx in the context of a single interrupt and when combined with various
+ * promisc hooks that need memory, can cause us to get dangerously close to the
+ * edge of the traditional stack sizes. This is only a few pages more than a
+ * traditional stack and given that we don't have that many interrupt threads,
+ * the memory costs end up being more than worthwhile.
+ */
+#define	LL_INTR_STKSZ	(32 * 1024)
+
+/*
  * Create and initialize an interrupt thread.
  */
 static void
@@ -51,7 +53,7 @@ thread_create_intr(cpu_t *cp)
 {
 	kthread_t *tp;
 
-	tp = thread_create(NULL, 0,
+	tp = thread_create(NULL, LL_INTR_STKSZ,
 	    (void (*)())thread_create_intr, NULL, 0, &p0, TS_ONPROC, 0);
 
 	/*
@@ -97,9 +99,12 @@ thread_create_intr(cpu_t *cp)
 }
 
 /*
- * Allocate a given number of interrupt threads for a given CPU.
- * These threads will get freed by cpu_destroy_bound_threads()
- * when CPU gets unconfigured.
+ * Allocate a given number of interrupt threads for a given CPU.  These threads
+ * will get freed by cpu_destroy_bound_threads() when CPU gets unconfigured.
+ *
+ * Note, high level interrupts are always serviced using cpu_intr_stack and are
+ * not allowed to block. Low level interrupts or soft-interrupts use the
+ * kthread_t's that we create through the calls to thread_create_intr().
  */
 void
 cpu_intr_alloc(cpu_t *cp, int n)
@@ -110,6 +115,6 @@ cpu_intr_alloc(cpu_t *cp, int n)
 		thread_create_intr(cp);
 
 	cp->cpu_intr_stack = (caddr_t)segkp_get(segkp, INTR_STACK_SIZE,
-		KPD_HASREDZONE | KPD_NO_ANON | KPD_LOCKED) +
-		INTR_STACK_SIZE - SA(MINFRAME);
+	    KPD_HASREDZONE | KPD_NO_ANON | KPD_LOCKED) +
+	    INTR_STACK_SIZE - SA(MINFRAME);
 }
diff --git a/usr/src/uts/common/dtrace/dtrace.c b/usr/src/uts/common/dtrace/dtrace.c
index 0d2d6f524c..f02cf48a65 100644
--- a/usr/src/uts/common/dtrace/dtrace.c
+++ b/usr/src/uts/common/dtrace/dtrace.c
@@ -845,7 +845,7 @@ static int
 dtrace_vcanload(void *src, dtrace_diftype_t *type, dtrace_mstate_t *mstate,
     dtrace_vstate_t *vstate)
 {
-	size_t sz;
+	size_t sz, strsize;
 	ASSERT(type->dtdt_flags & DIF_TF_BYREF);
 
 	/*
@@ -855,11 +855,24 @@ dtrace_vcanload(void *src, dtrace_diftype_t *type, dtrace_mstate_t *mstate,
 	if ((mstate->dtms_access & DTRACE_ACCESS_KERNEL) != 0)
 		return (1);
 
-	if (type->dtdt_kind == DIF_TYPE_STRING)
-		sz = dtrace_strlen(src,
-		    vstate->dtvs_state->dts_options[DTRACEOPT_STRSIZE]) + 1;
-	else
+	if (type->dtdt_kind == DIF_TYPE_STRING) {
+		dtrace_state_t *state = vstate->dtvs_state;
+
+		if (state != NULL) {
+			strsize = state->dts_options[DTRACEOPT_STRSIZE];
+		} else {
+			/*
+			 * In helper context, we have a NULL state; fall back
+			 * to using the system-wide default for the string size
+			 * in this case.
+			 */
+			strsize = dtrace_strsize_default;
+		}
+
+		sz = dtrace_strlen(src, strsize) + 1;
+	} else {
 		sz = type->dtdt_size;
+	}
 
 	return (dtrace_canload((uintptr_t)src, sz, mstate, vstate));
 }
@@ -7506,7 +7519,7 @@ dtrace_cred2priv(cred_t *cr, uint32_t *privp, uid_t *uidp, zoneid_t *zoneidp)
 		priv = DTRACE_PRIV_ALL;
 	} else {
 		*uidp = crgetuid(cr);
-		*zoneidp = crgetzoneid(cr);
+		*zoneidp = crgetzonedid(cr);
 
 		priv = 0;
 		if (PRIV_POLICY_ONLY(cr, PRIV_DTRACE_KERNEL, B_FALSE))
@@ -8002,7 +8015,7 @@ dtrace_register(const char *name, const dtrace_pattr_t *pap, uint32_t priv,
 	provider->dtpv_priv.dtpp_flags = priv;
 	if (cr != NULL) {
 		provider->dtpv_priv.dtpp_uid = crgetuid(cr);
-		provider->dtpv_priv.dtpp_zoneid = crgetzoneid(cr);
+		provider->dtpv_priv.dtpp_zoneid = crgetzonedid(cr);
 	}
 	provider->dtpv_pops = *pops;
 
@@ -8613,6 +8626,7 @@ dtrace_probe_enable(const dtrace_probedesc_t *desc, dtrace_enabling_t *enab)
 	uint32_t priv;
 	uid_t uid;
 	zoneid_t zoneid;
+	dtrace_state_t *state = enab->dten_vstate->dtvs_state;
 
 	ASSERT(MUTEX_HELD(&dtrace_lock));
 	dtrace_ecb_create_cache = NULL;
@@ -8627,8 +8641,22 @@ dtrace_probe_enable(const dtrace_probedesc_t *desc, dtrace_enabling_t *enab)
 	}
 
 	dtrace_probekey(desc, &pkey);
-	dtrace_cred2priv(enab->dten_vstate->dtvs_state->dts_cred.dcr_cred,
-	    &priv, &uid, &zoneid);
+	dtrace_cred2priv(state->dts_cred.dcr_cred, &priv, &uid, &zoneid);
+
+	if ((priv & DTRACE_PRIV_ZONEOWNER) &&
+	    state->dts_options[DTRACEOPT_ZONE] != DTRACEOPT_UNSET) {
+		/*
+		 * If we have the privilege of instrumenting all zones but we
+		 * have been told to instrument but one, we will spoof this up
+		 * depriving ourselves of DTRACE_PRIV_ZONEOWNER for purposes
+		 * of dtrace_match().  (Note that DTRACEOPT_ZONE is not for
+		 * security but rather for performance: it allows the global
+		 * zone to instrument USDT probes in a local zone without
+		 * requiring all zones to be instrumented.)
+		 */
+		priv &= ~DTRACE_PRIV_ZONEOWNER;
+		zoneid = state->dts_options[DTRACEOPT_ZONE];
+	}
 
 	return (dtrace_match(&pkey, priv, uid, zoneid, dtrace_ecb_create_enable,
 	    enab));
diff --git a/usr/src/uts/common/dtrace/sdt_subr.c b/usr/src/uts/common/dtrace/sdt_subr.c
index 157acc25fc..3d350ff278 100644
--- a/usr/src/uts/common/dtrace/sdt_subr.c
+++ b/usr/src/uts/common/dtrace/sdt_subr.c
@@ -97,6 +97,10 @@ static dtrace_pattr_t iscsi_attr = {
 { DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_ISA },
 };
 
+/*
+ * When adding a new provider you must add it before sdt as sdt is a catch all
+ * for remaining probes.
+ */
 sdt_provider_t sdt_providers[] = {
 	{ "vtrace", "__vtrace_", &vtrace_attr },
 	{ "sysinfo", "__cpu_sysinfo_", &info_attr, DTRACE_PRIV_USER },
@@ -117,6 +121,7 @@ sdt_provider_t sdt_providers[] = {
 	{ "fc", "__fc_", &fc_attr },
 	{ "srp", "__srp_", &fc_attr },
 	{ "sysevent", "__sysevent_", &stab_attr },
+	{ "vnd", "__vnd_", &stab_attr },
 	{ "sdt", NULL, &sdt_attr },
 	{ NULL }
 };
@@ -1151,6 +1156,34 @@ sdt_argdesc_t sdt_args[] = {
 	{ "fc", "abts-receive", 2, 2, "fct_i_remote_port_t *",
 	    "fc_port_info_t *" },
 
+	{ "vnd", "flow-blocked", 0, 0, "vnd_str_t *", "ifinfo_t *" },
+	{ "vnd", "flow-blocked", 1, 1, "uint64_t", "uint64_t" },
+	{ "vnd", "flow-blocked", 2, 2, "uintptr_t", "uintptr_t" },
+	{ "vnd", "flow-resumed", 0, 0, "vnd_str_t *", "ifinfo_t *" },
+	{ "vnd", "flow-resumed", 1, 1, "uint64_t", "uint64_t" },
+	{ "vnd", "flow-resumed", 2, 2, "uintptr_t", "uintptr_t" },
+	{ "vnd", "drop-in", 0, 0, "mblk_t *", "pktinfo_t *" },
+	{ "vnd", "drop-in", 1, 1, "vnd_str_t *", "ifinfo_t *" },
+	{ "vnd", "drop-in", 2, 2, "mblk_t *", "etherinfo_t *" },
+	{ "vnd", "drop-in", 3, 3, "const char *", "const char *" },
+	{ "vnd", "drop-out", 0, 0, "mblk_t *", "pktinfo_t *" },
+	{ "vnd", "drop-out", 1, 1, "vnd_str_t *", "ifinfo_t *" },
+	{ "vnd", "drop-out", 2, 2, "mblk_t *", "etherinfo_t *" },
+	{ "vnd", "drop-out", 3, 3, "const char *", "const char *" },
+	{ "vnd", "drop-ctl", 0, 0, "mblk_t *", "pktinfo_t *" },
+	{ "vnd", "drop-ctl", 1, 1, "vnd_str_t *", "ifinfo_t *" },
+	{ "vnd", "drop-ctl", 2, 2, "mblk_t *", "etherinfo_t *" },
+	{ "vnd", "drop-ctl", 3, 3, "const char *", "const char *" },
+	{ "vnd", "send", 0, 0, "mblk_t *", "pktinfo_t *" },
+	{ "vnd", "send", 1, 1, "void *", "csinfo_t *" },
+	{ "vnd", "send", 2, 2, "void *", "ipinfo_t *" },
+	{ "vnd", "send", 3, 3, "vnd_str_t *", "ifinfo_t *" },
+	{ "vnd", "send", 4, 4, "mblk_t *", "etherinfo_t *" },
+	{ "vnd", "recv", 0, 0, "mblk_t *", "pktinfo_t *" },
+	{ "vnd", "recv", 1, 1, "void *", "csinfo_t *" },
+	{ "vnd", "recv", 2, 2, "void *", "ipinfo_t *" },
+	{ "vnd", "recv", 3, 3, "vnd_str_t *", "ifinfo_t *" },
+	{ "vnd", "recv", 4, 4, "mblk_t *", "etherinfo_t *" },
 
 	{ NULL }
 };
diff --git a/usr/src/uts/common/exec/aout/aout.c b/usr/src/uts/common/exec/aout/aout.c
index fc45bd9544..5dbb2ed28c 100644
--- a/usr/src/uts/common/exec/aout/aout.c
+++ b/usr/src/uts/common/exec/aout/aout.c
@@ -22,6 +22,7 @@
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  * Copyright (c) 2011 Bayard G. Bell. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #include <sys/types.h>
@@ -54,7 +55,7 @@
 
 static int aoutexec(vnode_t *vp, execa_t *uap, uarg_t *args,
     intpdata_t *idatap, int level, long *execsz, int setid,
-    caddr_t exec_file, cred_t *cred, int brand_action);
+    caddr_t exec_file, cred_t *cred, int *brand_action);
 static int get_aout_head(struct vnode **vpp, struct exdata *edp, long *execsz,
     int *isdyn);
 static int aoutcore(vnode_t *vp, proc_t *pp, cred_t *credp,
@@ -130,7 +131,7 @@ _info(struct modinfo *modinfop)
 static int
 aoutexec(vnode_t *vp, struct execa *uap, struct uarg *args,
     struct intpdata *idatap, int level, long *execsz, int setid,
-    caddr_t exec_file, cred_t *cred, int brand_action)
+    caddr_t exec_file, cred_t *cred, int *brand_action)
 {
 	auxv32_t auxflags_auxv32;
 	int error;
diff --git a/usr/src/uts/common/exec/elf/elf.c b/usr/src/uts/common/exec/elf/elf.c
index 0eeb4e798c..0d80176e4f 100644
--- a/usr/src/uts/common/exec/elf/elf.c
+++ b/usr/src/uts/common/exec/elf/elf.c
@@ -26,7 +26,7 @@
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
 /*	  All Rights Reserved  	*/
 /*
- * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
  */
 
 #include <sys/types.h>
@@ -167,8 +167,8 @@ dtrace_safe_phdr(Phdr *phdrp, struct uarg *args, uintptr_t base)
  */
 int
 mapexec_brand(vnode_t *vp, uarg_t *args, Ehdr *ehdr, Addr *uphdr_vaddr,
-    intptr_t *voffset, caddr_t exec_file, int *interp, caddr_t *bssbase,
-    caddr_t *brkbase, size_t *brksize, uintptr_t *lddatap)
+    intptr_t *voffset, caddr_t exec_file, char **interpp, caddr_t *bssbase,
+    caddr_t *brkbase, size_t *brksize, uintptr_t *lddatap, uintptr_t *minaddrp)
 {
 	size_t		len;
 	struct vattr	vat;
@@ -180,6 +180,7 @@ mapexec_brand(vnode_t *vp, uarg_t *args, Ehdr *ehdr, Addr *uphdr_vaddr,
 	Phdr		*junk = NULL;
 	Phdr		*dynphdr = NULL;
 	Phdr		*dtrphdr = NULL;
+	char		*interp = NULL;
 	uintptr_t	lddata;
 	long		execsz;
 	intptr_t	minaddr;
@@ -187,6 +188,9 @@ mapexec_brand(vnode_t *vp, uarg_t *args, Ehdr *ehdr, Addr *uphdr_vaddr,
 	if (lddatap != NULL)
 		*lddatap = NULL;
 
+	if (minaddrp != NULL)
+		*minaddrp = NULL;
+
 	if (error = execpermissions(vp, &vat, args)) {
 		uprintf("%s: Cannot execute %s\n", exec_file, args->pathname);
 		return (error);
@@ -212,25 +216,65 @@ mapexec_brand(vnode_t *vp, uarg_t *args, Ehdr *ehdr, Addr *uphdr_vaddr,
 	    &junk, &dtrphdr, NULL, bssbase, brkbase, voffset, &minaddr,
 	    len, &execsz, brksize)) {
 		uprintf("%s: Cannot map %s\n", exec_file, args->pathname);
+		if (uphdr != NULL && uphdr->p_flags == 0)
+			kmem_free(uphdr, sizeof (Phdr));
 		kmem_free(phdrbase, phdrsize);
 		return (error);
 	}
 
+	if (minaddrp != NULL)
+		*minaddrp = minaddr;
+
 	/*
-	 * Inform our caller if the executable needs an interpreter.
+	 * If the executable requires an interpreter, determine its name.
 	 */
-	*interp = (dynphdr == NULL) ? 0 : 1;
+	if (dynphdr != NULL) {
+		ssize_t	resid;
+
+		if (dynphdr->p_filesz > MAXPATHLEN || dynphdr->p_filesz == 0) {
+			uprintf("%s: Invalid interpreter\n", exec_file);
+			kmem_free(phdrbase, phdrsize);
+			return (ENOEXEC);
+		}
+
+		interp = kmem_alloc(MAXPATHLEN, KM_SLEEP);
+
+		if ((error = vn_rdwr(UIO_READ, vp, interp, dynphdr->p_filesz,
+		    (offset_t)dynphdr->p_offset, UIO_SYSSPACE, 0,
+		    (rlim64_t)0, CRED(), &resid)) != 0 || resid != 0 ||
+		    interp[dynphdr->p_filesz - 1] != '\0') {
+			uprintf("%s: Cannot obtain interpreter pathname\n",
+			    exec_file);
+			kmem_free(interp, MAXPATHLEN);
+			kmem_free(phdrbase, phdrsize);
+			return (error != 0 ? error : ENOEXEC);
+		}
+	}
 
 	/*
 	 * If this is a statically linked executable, voffset should indicate
 	 * the address of the executable itself (it normally holds the address
 	 * of the interpreter).
 	 */
-	if (ehdr->e_type == ET_EXEC && *interp == 0)
+	if (ehdr->e_type == ET_EXEC && interp == NULL)
 		*voffset = minaddr;
 
+	/*
+	 * If the caller has asked for the interpreter name, return it (it's
+	 * up to the caller to free it); if the caller hasn't asked for it,
+	 * free it ourselves.
+	 */
+	if (interpp != NULL) {
+		*interpp = interp;
+	} else if (interp != NULL) {
+		kmem_free(interp, MAXPATHLEN);
+	}
+
 	if (uphdr != NULL) {
 		*uphdr_vaddr = uphdr->p_vaddr;
+
+		if (uphdr->p_flags == 0)
+			kmem_free(uphdr, sizeof (Phdr));
 	} else {
 		*uphdr_vaddr = (Addr)-1;
 	}
@@ -243,13 +287,13 @@ mapexec_brand(vnode_t *vp, uarg_t *args, Ehdr *ehdr, Addr *uphdr_vaddr,
 int
 elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
     int level, long *execsz, int setid, caddr_t exec_file, cred_t *cred,
-    int brand_action)
+    int *brand_action)
 {
 	caddr_t		phdrbase = NULL;
 	caddr_t 	bssbase = 0;
 	caddr_t 	brkbase = 0;
 	size_t		brksize = 0;
-	ssize_t		dlnsize;
+	ssize_t		dlnsize, nsize = 0;
 	aux_entry_t	*aux;
 	int		error;
 	ssize_t		resid;
@@ -273,6 +317,7 @@ elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
 	int		hasauxv = 0;
 	int		hasdy = 0;
 	int		branded = 0;
+	int		dynuphdr = 0;
 
 	struct proc *p = ttoproc(curthread);
 	struct user *up = PTOU(p);
@@ -339,14 +384,40 @@ elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
 #endif	/* _LP64 */
 
 	/*
-	 * We delay invoking the brand callback until we've figured out
-	 * what kind of elf binary we're trying to run, 32-bit or 64-bit.
-	 * We do this because now the brand library can just check
-	 * args->to_model to see if the target is 32-bit or 64-bit without
-	 * having do duplicate all the code above.
+	 * We delay invoking the brand callback until we've figured out what
+	 * kind of elf binary we're trying to run, 32-bit or 64-bit.  We do this
+	 * because now the brand library can just check args->to_model to see if
+	 * the target is 32-bit or 64-bit without having do duplicate all the
+	 * code above.
+	 *
+	 * We also give the brand a chance to indicate that based on the ELF
+	 * OSABI of the target binary it should become unbranded and optionally
+	 * indicate that it should be treated as existing in a specific prefix.
+	 *
+	 * Note that if a brand opts to go down this route it does not actually
+	 * end up being debranded. In other words, future programs that exec
+	 * will still be considered for branding unless this escape hatch is
+	 * used. Consider the case of lx brand for example. If a user runs
+	 * /native/usr/sbin/dtrace -c /bin/ls, the isaexec and normal executable
+	 * of DTrace that's in /native will take this escape hatch and be run
+	 * and interpreted using the normal system call table; however, the
+	 * execution of a non-illumos binary in the form of /bin/ls will still
+	 * be branded and be subject to all of the normal actions of the brand.
 	 */
+	if ((level < 2) && (*brand_action != EBA_NATIVE) &&
+	    (PROC_IS_BRANDED(p)) && (BROP(p)->b_native_exec != NULL)) {
+		if (BROP(p)->b_native_exec(ehdrp->e_ident[EI_OSABI],
+		    &args->brand_nroot) == B_TRUE) {
+			ASSERT(ehdrp->e_ident[EI_OSABI]);
+			*brand_action = EBA_NATIVE;
+			/* Add one for the trailing '/' in the path */
+			if (args->brand_nroot != NULL)
+				nsize = strlen(args->brand_nroot) + 1;
+		}
+	}
+
 	if ((level < 2) &&
-	    (brand_action != EBA_NATIVE) && (PROC_IS_BRANDED(p))) {
+	    (*brand_action != EBA_NATIVE) && (PROC_IS_BRANDED(p))) {
 		error = BROP(p)->b_elfexec(vp, uap, args,
 		    idatap, level + 1, execsz, setid, exec_file, cred,
 		    brand_action);
@@ -417,14 +488,15 @@ elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
 		 *	AT_BASE
 		 *	AT_FLAGS
 		 *	AT_PAGESZ
+		 *	AT_RANDOM	(added in stk_copyout)
 		 *	AT_SUN_AUXFLAGS
 		 *	AT_SUN_HWCAP
 		 *	AT_SUN_HWCAP2
-		 *	AT_SUN_PLATFORM (added in stk_copyout)
-		 *	AT_SUN_EXECNAME (added in stk_copyout)
+		 *	AT_SUN_PLATFORM	(added in stk_copyout)
+		 *	AT_SUN_EXECNAME	(added in stk_copyout)
 		 *	AT_NULL
 		 *
-		 * total == 9
+		 * total == 10
 		 */
 		if (hasdy && hasu) {
 			/*
@@ -439,7 +511,7 @@ elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
 			 *
 			 * total = 5
 			 */
-			args->auxsize = (9 + 5) * sizeof (aux_entry_t);
+			args->auxsize = (10 + 5) * sizeof (aux_entry_t);
 		} else if (hasdy) {
 			/*
 			 * Has PT_INTERP but no PT_PHDR
@@ -449,9 +521,9 @@ elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
 			 *
 			 * total = 2
 			 */
-			args->auxsize = (9 + 2) * sizeof (aux_entry_t);
+			args->auxsize = (10 + 2) * sizeof (aux_entry_t);
 		} else {
-			args->auxsize = 9 * sizeof (aux_entry_t);
+			args->auxsize = 10 * sizeof (aux_entry_t);
 		}
 	} else {
 		args->auxsize = 0;
@@ -464,13 +536,21 @@ elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
 	if (args->emulator != NULL)
 		args->auxsize += sizeof (aux_entry_t);
 
-	if ((brand_action != EBA_NATIVE) && (PROC_IS_BRANDED(p))) {
+	/*
+	 * If this is a native binary that's been given a modified interpreter
+	 * root, inform it that the native system exists at that root.
+	 */
+	if (args->brand_nroot != NULL) {
+		args->auxsize += sizeof (aux_entry_t);
+	}
+
+	if ((*brand_action != EBA_NATIVE) && (PROC_IS_BRANDED(p))) {
 		branded = 1;
 		/*
-		 * We will be adding 4 entries to the aux vectors.  One for
-		 * the the brandname and 3 for the brand specific aux vectors.
+		 * We will be adding 5 entries to the aux vectors.  One for
+		 * the the brandname and 4 for the brand specific aux vectors.
 		 */
-		args->auxsize += 4 * sizeof (aux_entry_t);
+		args->auxsize += 5 * sizeof (aux_entry_t);
 	}
 
 	/* Hardware/Software capabilities */
@@ -501,7 +581,8 @@ elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
 	aux = bigwad->elfargs;
 	/*
 	 * Move args to the user's stack.
-	 * This can fill in the AT_SUN_PLATFORM and AT_SUN_EXECNAME aux entries.
+	 * This can fill in the AT_SUN_PLATFORM, AT_SUN_EXECNAME and AT_RANDOM
+	 * aux entries.
 	 */
 	if ((error = exec_args(uap, args, idatap, (void **)&aux)) != 0) {
 		if (error == -1) {
@@ -528,6 +609,14 @@ elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
 	    len, execsz, &brksize)) != 0)
 		goto bad;
 
+	if (uphdr != NULL) {
+		/*
+		 * Our uphdr has been dynamically allocated if (and only if)
+		 * its program header flags are clear.
+		 */
+		dynuphdr = (uphdr->p_flags == 0);
+	}
+
 	if (uphdr != NULL && dyphdr == NULL)
 		goto bad;
 
@@ -542,17 +631,22 @@ elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
 		char		*p;
 		struct vnode	*nvp;
 
-		dlnsize = dyphdr->p_filesz;
+		dlnsize = dyphdr->p_filesz + nsize;
 
 		if (dlnsize > MAXPATHLEN || dlnsize <= 0)
 			goto bad;
 
+		if (nsize != 0) {
+			bcopy(args->brand_nroot, dlnp, nsize - 1);
+			dlnp[nsize - 1] = '/';
+		}
+
 		/*
 		 * Read in "interpreter" pathname.
 		 */
-		if ((error = vn_rdwr(UIO_READ, vp, dlnp, dyphdr->p_filesz,
-		    (offset_t)dyphdr->p_offset, UIO_SYSSPACE, 0, (rlim64_t)0,
-		    CRED(), &resid)) != 0) {
+		if ((error = vn_rdwr(UIO_READ, vp, dlnp + nsize,
+		    dyphdr->p_filesz, (offset_t)dyphdr->p_offset, UIO_SYSSPACE,
+		    0, (rlim64_t)0, CRED(), &resid)) != 0) {
 			uprintf("%s: Cannot obtain interpreter pathname\n",
 			    exec_file);
 			goto bad;
@@ -688,9 +782,10 @@ elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
 
 		dtrphdr = NULL;
 
-		error = mapelfexec(nvp, ehdrp, nphdrs, phdrbase, &junk, &junk,
+		error = mapelfexec(nvp, ehdrp, nphdrs, phdrbase, NULL, &junk,
 		    &junk, &dtrphdr, NULL, NULL, NULL, &voffset, NULL, len,
 		    execsz, NULL);
+
 		if (error || junk != NULL) {
 			VN_RELE(nvp);
 			uprintf("%s: Cannot map %s\n", exec_file, dlnp);
@@ -718,8 +813,8 @@ elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
 	if (hasauxv) {
 		int auxf = AF_SUN_HWCAPVERIFY;
 		/*
-		 * Note: AT_SUN_PLATFORM and AT_SUN_EXECNAME were filled in via
-		 * exec_args()
+		 * Note: AT_SUN_PLATFORM, AT_SUN_EXECNAME and AT_RANDOM were
+		 * filled in via exec_args()
 		 */
 		ADDAUX(aux, AT_BASE, voffset)
 		ADDAUX(aux, AT_FLAGS, at_flags)
@@ -747,7 +842,7 @@ elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
 		 * malicious user within the zone from crafting a wrapper to
 		 * run native suid commands with unsecure libraries interposed.
 		 */
-		if ((brand_action == EBA_NATIVE) && (PROC_IS_BRANDED(p) &&
+		if ((*brand_action == EBA_NATIVE) && (PROC_IS_BRANDED(p) &&
 		    (setid &= ~EXECSETID_SETID) != 0))
 			auxf &= ~AF_SUN_SETUGID;
 
@@ -789,6 +884,7 @@ elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
 			ADDAUX(aux, AT_SUN_BRAND_AUX1, 0)
 			ADDAUX(aux, AT_SUN_BRAND_AUX2, 0)
 			ADDAUX(aux, AT_SUN_BRAND_AUX3, 0)
+			ADDAUX(aux, AT_SUN_BRAND_AUX4, 0)
 		}
 
 		ADDAUX(aux, AT_NULL, 0)
@@ -896,6 +992,8 @@ bad:
 	if (error == 0)
 		error = ENOEXEC;
 out:
+	if (dynuphdr)
+		kmem_free(uphdr, sizeof (Phdr));
 	if (phdrbase != NULL)
 		kmem_free(phdrbase, phdrsize);
 	if (cap != NULL)
@@ -1182,7 +1280,7 @@ mapelfexec(
 	size_t *brksize)
 {
 	Phdr *phdr;
-	int i, prot, error;
+	int i, prot, error, lastprot = 0;
 	caddr_t addr = NULL;
 	size_t zfodsz;
 	int ptload = 0;
@@ -1190,6 +1288,7 @@ mapelfexec(
 	off_t offset;
 	int hsize = ehdr->e_phentsize;
 	caddr_t mintmp = (caddr_t)-1;
+	uintptr_t lastaddr = NULL;
 	extern int use_brk_lpg;
 
 	if (ehdr->e_type == ET_DYN) {
@@ -1220,13 +1319,11 @@ mapelfexec(
 	} else {
 		*voffset = 0;
 	}
+
 	phdr = (Phdr *)phdrbase;
 	for (i = nphdrs; i > 0; i--) {
 		switch (phdr->p_type) {
 		case PT_LOAD:
-			if ((*dyphdr != NULL) && (*uphdr == NULL))
-				return (0);
-
 			ptload = 1;
 			prot = PROT_USER;
 			if (phdr->p_flags & PF_R)
@@ -1238,6 +1335,34 @@ mapelfexec(
 
 			addr = (caddr_t)((uintptr_t)phdr->p_vaddr + *voffset);
 
+			if ((*dyphdr != NULL) && uphdr != NULL &&
+			    (*uphdr == NULL)) {
+				/*
+				 * The PT_PHDR program header is, strictly
+				 * speaking, optional.  If we find that this
+				 * is missing, we will determine the location
+				 * of the program headers based on the address
+				 * of the lowest PT_LOAD segment (namely, this
+				 * one):  we subtract the p_offset to get to
+				 * the ELF header and then add back the program
+				 * header offset to get to the program headers.
+				 * We then cons up a Phdr that corresponds to
+				 * the (missing) PT_PHDR, setting the flags
+				 * to 0 to denote that this is artificial and
+				 * should (must) be freed by the caller.
+				 */
+				Phdr *cons;
+
+				cons = kmem_zalloc(sizeof (Phdr), KM_SLEEP);
+
+				cons->p_flags = 0;
+				cons->p_type = PT_PHDR;
+				cons->p_vaddr = ((uintptr_t)addr -
+				    phdr->p_offset) + ehdr->e_phoff;
+
+				*uphdr = cons;
+			}
+
 			/*
 			 * Keep track of the segment with the lowest starting
 			 * address.
@@ -1245,6 +1370,41 @@ mapelfexec(
 			if (addr < mintmp)
 				mintmp = addr;
 
+			/*
+			 * Segments need not correspond to page boundaries:
+			 * they are permitted to share a page.  If two PT_LOAD
+			 * segments share the same page, and the permissions
+			 * of the segments differ, the behavior is historically
+			 * that the permissions of the latter segment are used
+			 * for the page that the two segments share.  This is
+			 * also historically a non-issue:  binaries generated
+			 * by most anything will make sure that two PT_LOAD
+			 * segments with differing permissions don't actually
+			 * share any pages.  However, there exist some crazy
+			 * things out there (including at least an obscure
+			 * Portuguese teaching language called G-Portugol) that
+			 * actually do the wrong thing and expect it to work:
+			 * they have a segment with execute permission share
+			 * a page with a subsequent segment that does not
+			 * have execute permissions and expect the resulting
+			 * shared page to in fact be executable.  To accommodate
+			 * such broken link editors, we take advantage of a
+			 * latitude explicitly granted to the loader:  it is
+			 * permitted to make _any_ PT_LOAD segment executable
+			 * (provided that it is readable or writable).  If we
+			 * see that we're sharing a page and that the previous
+			 * page was executable, we will add execute permissions
+			 * to our segment.
+			 */
+			if (btop(lastaddr) == btop((uintptr_t)addr) &&
+			    (phdr->p_flags & (PF_R | PF_W)) &&
+			    (lastprot & PROT_EXEC)) {
+				prot |= PROT_EXEC;
+			}
+
+			lastaddr = (uintptr_t)addr + phdr->p_filesz;
+			lastprot = prot;
+
 			zfodsz = (size_t)phdr->p_memsz - phdr->p_filesz;
 
 			offset = phdr->p_offset;
@@ -1319,9 +1479,12 @@ mapelfexec(
 			break;
 
 		case PT_PHDR:
-			if (ptload)
+			if (ptload || phdr->p_flags == 0)
 				goto bad;
-			*uphdr = phdr;
+
+			if (uphdr != NULL)
+				*uphdr = phdr;
+
 			break;
 
 		case PT_NULL:
@@ -2170,7 +2333,7 @@ static struct modlexec modlexec = {
 extern int elf32exec(vnode_t *vp, execa_t *uap, uarg_t *args,
 			intpdata_t *idatap, int level, long *execsz,
 			int setid, caddr_t exec_file, cred_t *cred,
-			int brand_action);
+			int *brand_action);
 extern int elf32core(vnode_t *vp, proc_t *p, cred_t *credp,
 			rlim64_t rlimit, int sig, core_content_t content);
 
diff --git a/usr/src/uts/common/exec/intp/intp.c b/usr/src/uts/common/exec/intp/intp.c
index 998c0f1f8e..316f4c07e0 100644
--- a/usr/src/uts/common/exec/intp/intp.c
+++ b/usr/src/uts/common/exec/intp/intp.c
@@ -22,6 +22,7 @@
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  * Copyright 2012 Milan Jurik. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 /*	Copyright (c) 1988 AT&T	*/
@@ -53,7 +54,7 @@
 #include <sys/modctl.h>
 
 extern int intpexec(struct vnode *, struct execa *, struct uarg *,
-    struct intpdata *, int, long *, int, caddr_t, struct cred *, int);
+    struct intpdata *, int, long *, int, caddr_t, struct cred *, int *);
 
 static struct execsw esw = {
 	intpmagicstr,
@@ -169,7 +170,7 @@ intpexec(
 	int setid,
 	caddr_t exec_file,
 	struct cred *cred,
-	int brand_action)
+	int *brand_action)
 {
 	_NOTE(ARGUNUSED(brand_action))
 	vnode_t *nvp;
@@ -180,6 +181,7 @@ intpexec(
 	char *opath;
 	char devfd[19]; /* 32-bit int fits in 10 digits + 8 for "/dev/fd/" */
 	int fd = -1;
+	int custom_action = EBA_NONE;
 
 	if (level) {		/* Can't recurse */
 		error = ENOEXEC;
@@ -228,7 +230,7 @@ intpexec(
 	}
 
 	error = gexec(&nvp, uap, args, &idata, ++level, execsz, exec_file, cred,
-	    EBA_NONE);
+	    &custom_action);
 
 	if (!error) {
 		/*
diff --git a/usr/src/uts/common/exec/java/java.c b/usr/src/uts/common/exec/java/java.c
index 7cf9126e8d..4ce223a682 100644
--- a/usr/src/uts/common/exec/java/java.c
+++ b/usr/src/uts/common/exec/java/java.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015, Joyent, Inc.
  */
 
 /*
@@ -85,7 +86,7 @@ char *jexec_arg = "-jar";
 static int
 javaexec(vnode_t *vp, struct execa *uap, struct uarg *args,
     struct intpdata *idatap, int level, long *execsz, int setid,
-    caddr_t execfile, cred_t *cred, int brand_action)
+    caddr_t execfile, cred_t *cred, int *brand_action)
 {
 	struct intpdata idata;
 	int error;
diff --git a/usr/src/uts/common/exec/shbin/shbin.c b/usr/src/uts/common/exec/shbin/shbin.c
index a6cf129d9d..a431264103 100644
--- a/usr/src/uts/common/exec/shbin/shbin.c
+++ b/usr/src/uts/common/exec/shbin/shbin.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #include <sys/types.h>
@@ -58,7 +59,7 @@ shbinexec(
 	int setid,
 	caddr_t exec_file,
 	struct cred *cred,
-	int brand_action);
+	int *brand_action);
 
 #define	SHBIN_CNTL(x)	((x)&037)
 #define	SHBINMAGIC_LEN	4
@@ -162,7 +163,7 @@ shbinexec(
 	int setid,
 	caddr_t exec_file,
 	struct cred *cred,
-	int brand_action)
+	int *brand_action)
 {
 	_NOTE(ARGUNUSED(brand_action))
 	vnode_t *nvp;
diff --git a/usr/src/uts/common/fs/bootfs/bootfs_construct.c b/usr/src/uts/common/fs/bootfs/bootfs_construct.c
new file mode 100644
index 0000000000..b909b5d121
--- /dev/null
+++ b/usr/src/uts/common/fs/bootfs/bootfs_construct.c
@@ -0,0 +1,368 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * This file takes care of reading the boot time modules and constructing them
+ * into the appropriate series of vnodes.
+ */
+
+#include <sys/conf.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/vfs.h>
+#include <sys/sysmacros.h>
+#include <sys/stat.h>
+
+#include <sys/fs/bootfs_impl.h>
+
+kmem_cache_t *bootfs_node_cache;
+
+static const vattr_t bootfs_vattr_dir = {
+	AT_ALL,					/* va_mask */
+	VDIR,					/* va_type */
+	S_IFDIR | 0555,				/* va_mode */
+	0,					/* va_uid */
+	0,					/* va_gid */
+	0,					/* va_fsid */
+	0,					/* va_nodeid */
+	1,					/* va_nlink */
+	0,					/* va_size */
+	0,					/* va_atime */
+	0,					/* va_mtime */
+	0,					/* va_ctime */
+	0,					/* va_rdev */
+	0,					/* va_blksize */
+	0,					/* va_nblocks */
+	0					/* va_seq */
+};
+
+static const vattr_t bootfs_vattr_reg = {
+	AT_ALL,					/* va_mask */
+	VREG,					/* va_type */
+	S_IFREG | 0555,				/* va_mode */
+	0,					/* va_uid */
+	0,					/* va_gid */
+	0,					/* va_fsid */
+	0,					/* va_nodeid */
+	1,					/* va_nlink */
+	0,					/* va_size */
+	0,					/* va_atime */
+	0,					/* va_mtime */
+	0,					/* va_ctime */
+	0,					/* va_rdev */
+	0,					/* va_blksize */
+	0,					/* va_nblocks */
+	0					/* va_seq */
+};
+
+/*ARGSUSED*/
+int
+bootfs_node_constructor(void *buf, void *arg, int kmflags)
+{
+	bootfs_node_t *bnp = buf;
+
+	bnp->bvn_vnp = vn_alloc(kmflags);
+	if (bnp->bvn_vnp == NULL)
+		return (-1);
+
+	return (0);
+}
+
+/*ARGSUSED*/
+void
+bootfs_node_destructor(void *buf, void *arg)
+{
+	bootfs_node_t *bnp = buf;
+
+	vn_free(bnp->bvn_vnp);
+}
+
+static int
+bootfs_comparator(const void *a, const void *b)
+{
+	const bootfs_node_t *lfs, *rfs;
+	int ret;
+
+	lfs = a;
+	rfs = b;
+
+	ret = strcmp(lfs->bvn_name, rfs->bvn_name);
+	if (ret > 0)
+		ret = 1;
+	if (ret < 0)
+		ret = -1;
+	return (ret);
+}
+
+static void
+bootfs_node_init(bootfs_t *bfs, bootfs_node_t *bnp, const struct vattr *vap,
+    const char *name, size_t namelen)
+{
+	timestruc_t now;
+
+	vn_reinit(bnp->bvn_vnp);
+
+	bnp->bvn_vnp->v_flag |= VNOSWAP;
+	bnp->bvn_vnp->v_type = vap->va_type;
+	bnp->bvn_vnp->v_vfsp = bfs->bfs_vfsp;
+	bnp->bvn_vnp->v_rdev = 0;
+	bnp->bvn_vnp->v_data = (caddr_t)bnp;
+	vn_setops(bnp->bvn_vnp, bootfs_vnodeops);
+
+	bnp->bvn_name = kmem_alloc(namelen + 1, KM_SLEEP);
+	bcopy(name, bnp->bvn_name, namelen);
+	bnp->bvn_name[namelen] = '\0';
+	if (vap->va_type == VDIR) {
+		avl_create(&bnp->bvn_dir, bootfs_comparator,
+		    sizeof (bootfs_node_t),
+		    offsetof(bootfs_node_t, bvn_link));
+	}
+	bzero(&bnp->bvn_link, sizeof (avl_node_t));
+	bcopy(vap, &bnp->bvn_attr, sizeof (vattr_t));
+
+	gethrestime(&now);
+	bnp->bvn_attr.va_atime = now;
+	bnp->bvn_attr.va_ctime = now;
+	bnp->bvn_attr.va_mtime = now;
+	bnp->bvn_attr.va_fsid = makedevice(bootfs_major, bfs->bfs_minor);
+	bnp->bvn_attr.va_nodeid = bfs->bfs_ninode;
+	bnp->bvn_attr.va_blksize = PAGESIZE;
+	bfs->bfs_ninode++;
+	list_insert_tail(&bfs->bfs_nodes, bnp);
+}
+
+static void
+bootfs_mkroot(bootfs_t *bfs)
+{
+	bootfs_node_t *bnp;
+
+	bnp = kmem_cache_alloc(bootfs_node_cache, KM_SLEEP);
+	bootfs_node_init(bfs, bnp, &bootfs_vattr_dir, "/", 1);
+	bnp->bvn_vnp->v_flag |= VROOT;
+	bnp->bvn_parent = bnp;
+	bfs->bfs_rootvn = bnp;
+	bfs->bfs_stat.bfss_ndirs.value.ui32++;
+	vn_exists(bnp->bvn_vnp);
+}
+
+static int
+bootfs_mknode(bootfs_t *bfs, bootfs_node_t *parent, bootfs_node_t **outp,
+    const char *name, size_t namelen, const vattr_t *vap, uintptr_t addr,
+    uint64_t size)
+{
+	bootfs_node_t *bnp;
+	bootfs_node_t sn;
+	avl_index_t where;
+	char *buf;
+
+	ASSERT(parent->bvn_attr.va_type == VDIR);
+	buf = kmem_alloc(namelen + 1, KM_SLEEP);
+	bcopy(name, buf, namelen);
+	buf[namelen] = '\0';
+	sn.bvn_name = buf;
+	if ((bnp = avl_find(&parent->bvn_dir, &sn, &where)) != NULL) {
+		kmem_free(buf, namelen + 1);
+		/* Directories can collide, files cannot */
+		if (vap->va_type == VDIR) {
+			*outp = bnp;
+			return (0);
+		}
+		return (EEXIST);
+	}
+	kmem_free(buf, namelen + 1);
+
+	bnp = kmem_cache_alloc(bootfs_node_cache, KM_SLEEP);
+	bootfs_node_init(bfs, bnp, vap, name, namelen);
+	bnp->bvn_parent = parent;
+	avl_add(&parent->bvn_dir, bnp);
+	*outp = bnp;
+
+	if (vap->va_type == VDIR) {
+		parent->bvn_attr.va_size++;
+		parent->bvn_attr.va_nlink++;
+		bfs->bfs_stat.bfss_ndirs.value.ui32++;
+	} else {
+		bnp->bvn_addr = addr;
+		bnp->bvn_size = size;
+		bfs->bfs_stat.bfss_nfiles.value.ui32++;
+		bfs->bfs_stat.bfss_nbytes.value.ui64 += size;
+		bnp->bvn_attr.va_nblocks = P2ROUNDUP(size, 512) >> 9;
+		bnp->bvn_attr.va_size = size;
+	}
+
+	vn_exists(bnp->bvn_vnp);
+
+	return (0);
+}
+
+/*
+ * Given the address, size, and path a boot-time module would like, go through
+ * and create all of the directory entries that are required and then the file
+ * itself. If someone has passed in a module that has the same name as another
+ * one, we honor the first one.
+ */
+static int
+bootfs_construct_entry(bootfs_t *bfs, uintptr_t addr, uint64_t size,
+    const char *mname)
+{
+	char *sp;
+	size_t nlen;
+	int ret;
+	bootfs_node_t *nbnp;
+
+	const char *p = mname;
+	bootfs_node_t *bnp = bfs->bfs_rootvn;
+
+	if (*p == '\0')
+		return (EINVAL);
+
+	for (;;) {
+		/* First eliminate all leading / characters. */
+		while (*p == '/')
+			p++;
+
+		/* A name with all slashes or ending in a / */
+		if (*p == '\0')
+			return (EINVAL);
+
+		sp = strchr(p, '/');
+		if (sp == NULL)
+			break;
+		nlen = (ptrdiff_t)sp - (ptrdiff_t)p;
+		if (strncmp(p, ".", nlen) == 0) {
+			p = sp + 1;
+			continue;
+		}
+
+		if (strncmp(p, "..", nlen) == 0) {
+			bnp = bnp->bvn_parent;
+			p = sp + 1;
+			continue;
+		}
+
+		VERIFY(bootfs_mknode(bfs, bnp, &nbnp, p, nlen,
+		    &bootfs_vattr_dir, addr, size) == 0);
+		p = sp + 1;
+		bnp = nbnp;
+	}
+
+	nlen = strlen(p);
+	ret = bootfs_mknode(bfs, bnp, &nbnp, p, nlen, &bootfs_vattr_reg,
+	    addr, size);
+	if (ret != 0)
+		return (ret);
+
+	return (0);
+}
+
+/*
+ * We're going to go through every boot time module and construct the
+ * appropriate vnodes for them now. Because there are very few of these that
+ * exist, generally on the order of a handful, we're going to create them all
+ * when the file system is initialized and then tear them all down when the
+ * module gets unloaded.
+ *
+ * The information about the modules is contained in properties on the root of
+ * the devinfo tree. Specifically there are three properties per module:
+ *
+ *   - module-size-%d	int64_t size, in bytes, of the boot time module.
+ *   - module-addr-%d	The address of the boot time module
+ *   - module-name-%d	The string name of the boot time module
+ *
+ * Note that the module-size and module-addr fields are always 64-bit values
+ * regardless of being on a 32-bit or 64-bit kernel. module-name is a string
+ * property.
+ *
+ * There is no property that indicates the total number of such modules. Modules
+ * start at 0 and work their way up incrementally. The first time we can't find
+ * a module or a property, then we stop.
+ */
+void
+bootfs_construct(bootfs_t *bfs)
+{
+	uint_t id = 0, ndata;
+	char paddr[64], psize[64], pname[64], *mname;
+	dev_info_t *root;
+	uchar_t *datap;
+	uint64_t size = 0, addr = 0;
+	int ret;
+
+	bootfs_mkroot(bfs);
+	root = ddi_root_node();
+
+	for (;;) {
+		if (id == UINT32_MAX)
+			break;
+
+		if (snprintf(paddr, sizeof (paddr), "module-addr-%d", id) >
+		    sizeof (paddr))
+			break;
+
+		if (snprintf(psize, sizeof (paddr), "module-size-%d", id) >
+		    sizeof (paddr))
+			break;
+
+		if (snprintf(pname, sizeof (paddr), "module-name-%d", id) >
+		    sizeof (paddr))
+			break;
+
+		if (ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, root,
+		    DDI_PROP_DONTPASS, paddr, &datap, &ndata) !=
+		    DDI_PROP_SUCCESS)
+			break;
+
+		if (ndata == 8)
+			bcopy(datap, &addr, sizeof (uint64_t));
+		ddi_prop_free(datap);
+		if (ndata != 8)
+			break;
+
+		if (ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, root,
+		    DDI_PROP_DONTPASS, psize, &datap, &ndata) !=
+		    DDI_PROP_SUCCESS)
+			break;
+		if (ndata == 8)
+			bcopy(datap, &size, sizeof (uint64_t));
+		ddi_prop_free(datap);
+		if (ndata != 8)
+			break;
+
+		if (ddi_prop_lookup_string(DDI_DEV_T_ANY, root,
+		    DDI_PROP_DONTPASS, pname, &mname) != DDI_PROP_SUCCESS)
+			break;
+
+		ret = bootfs_construct_entry(bfs, addr, size, mname);
+		if (ret == EINVAL)
+			bfs->bfs_stat.bfss_ndiscards.value.ui32++;
+		if (ret == EEXIST)
+			bfs->bfs_stat.bfss_ndups.value.ui32++;
+		ddi_prop_free(mname);
+
+		id++;
+	}
+}
+
+void
+bootfs_destruct(bootfs_t *bfs)
+{
+	bootfs_node_t *bnp;
+
+	while ((bnp = list_remove_head(&bfs->bfs_nodes)) != NULL) {
+		ASSERT(bnp->bvn_vnp->v_count == 1);
+		VN_RELE(bnp->bvn_vnp);
+		kmem_free(bnp->bvn_name, strlen(bnp->bvn_name) + 1);
+		kmem_cache_free(bootfs_node_cache, bnp);
+	}
+}
diff --git a/usr/src/uts/common/fs/bootfs/bootfs_vfsops.c b/usr/src/uts/common/fs/bootfs/bootfs_vfsops.c
new file mode 100644
index 0000000000..e642e86169
--- /dev/null
+++ b/usr/src/uts/common/fs/bootfs/bootfs_vfsops.c
@@ -0,0 +1,321 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.
+ */
+
+#include <sys/errno.h>
+#include <sys/modctl.h>
+#include <sys/types.h>
+#include <sys/mkdev.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/vfs.h>
+#include <sys/vfs_opreg.h>
+#include <sys/systm.h>
+#include <sys/id_space.h>
+#include <sys/cmn_err.h>
+#include <sys/ksynch.h>
+#include <sys/policy.h>
+#include <sys/mount.h>
+#include <sys/sysmacros.h>
+
+#include <sys/fs/bootfs_impl.h>
+
+/*
+ * While booting, additional types of modules and files can be passed in to the
+ * loader. These include the familiar boot archive, as well as, a module hash
+ * and additional modules that are interpreted as files. As part of the handoff
+ * in early boot, information about these modules are saved as properties on the
+ * root of the devinfo tree, similar to other boot-time properties.
+ *
+ * This file system provides a read-only view of those additional files. Due to
+ * its limited scope, it has a slightly simpler construction than several other
+ * file systems. When mounted, it looks for the corresponding properties and
+ * creates bootfs_node_t's and vnodes for all of the corresponding files and
+ * directories that exist along the way. At this time, there are currently a
+ * rather small number of files passed in this way.
+ *
+ * This does lead to one behavior that folks used to other file systems might
+ * find peculiar. Because we are not always actively creating and destroying the
+ * required vnodes on demand, the count on the root vnode will not be going up
+ * accordingly with the existence of other vnodes. This means that a bootfs file
+ * system that is not in use will have all of its vnodes exist with a v_count of
+ * one.
+ */
+
+major_t bootfs_major;
+static int bootfs_fstype;
+static id_space_t *bootfs_idspace;
+static uint64_t bootfs_nactive;
+static kmutex_t bootfs_lock;
+
+static const char *bootfs_name = "bootfs";
+
+static int
+bootfs_mount(vfs_t *vfsp, vnode_t *mvp, struct mounta *uap, cred_t *cr)
+{
+	int ret;
+	bootfs_t *bfs;
+	struct pathname dpn;
+	dev_t fsdev;
+
+	if ((ret = secpolicy_fs_mount(cr, mvp, vfsp)) != 0)
+		return (ret);
+
+	if (mvp->v_type != VDIR)
+		return (ENOTDIR);
+
+	if (uap->flags & MS_REMOUNT)
+		return (EBUSY);
+
+	mutex_enter(&mvp->v_lock);
+	if ((uap->flags & MS_OVERLAY) == 0 &&
+	    (mvp->v_count != 1 || (mvp->v_flag & VROOT))) {
+		mutex_exit(&mvp->v_lock);
+		return (EBUSY);
+	}
+	mutex_exit(&mvp->v_lock);
+
+	/*
+	 * We indicate that the backing store is bootfs. We don't want to use
+	 * swap, because folks might think that this is putting all the data
+	 * into memory ala tmpfs. Rather these modules are always in memory and
+	 * there's nothing to be done about that.
+	 */
+	vfs_setresource(vfsp, bootfs_name, 0);
+	bfs = kmem_zalloc(sizeof (bootfs_t), KM_NOSLEEP | KM_NORMALPRI);
+	if (bfs == NULL)
+		return (ENOMEM);
+
+	ret = pn_get(uap->dir,
+	    (uap->flags & MS_SYSSPACE) ? UIO_SYSSPACE : UIO_USERSPACE, &dpn);
+	if (ret != 0) {
+		kmem_free(bfs, sizeof (bfs));
+		return (ret);
+	}
+
+	bfs->bfs_minor = id_alloc(bootfs_idspace);
+	bfs->bfs_kstat = kstat_create_zone("bootfs", bfs->bfs_minor, "bootfs",
+	    "fs", KSTAT_TYPE_NAMED,
+	    sizeof (bootfs_stat_t) / sizeof (kstat_named_t),
+	    KSTAT_FLAG_VIRTUAL, GLOBAL_ZONEID);
+	if (bfs->bfs_kstat == NULL) {
+		id_free(bootfs_idspace, bfs->bfs_minor);
+		pn_free(&dpn);
+		kmem_free(bfs, sizeof (bfs));
+		return (ENOMEM);
+	}
+	bfs->bfs_kstat->ks_data = &bfs->bfs_stat;
+
+	fsdev = makedevice(bootfs_major, bfs->bfs_minor);
+	bfs->bfs_vfsp = vfsp;
+
+	vfsp->vfs_data = (caddr_t)bfs;
+	vfsp->vfs_fstype = bootfs_fstype;
+	vfsp->vfs_dev = fsdev;
+	vfsp->vfs_bsize = PAGESIZE;
+	vfsp->vfs_flag |= VFS_RDONLY | VFS_NOSETUID | VFS_NOTRUNC |
+	    VFS_UNLINKABLE;
+	vfs_make_fsid(&vfsp->vfs_fsid, fsdev, bootfs_fstype);
+	bfs->bfs_mntpath = kmem_alloc(dpn.pn_pathlen + 1, KM_SLEEP);
+	bcopy(dpn.pn_path, bfs->bfs_mntpath, dpn.pn_pathlen);
+	bfs->bfs_mntpath[dpn.pn_pathlen] = '\0';
+	pn_free(&dpn);
+	list_create(&bfs->bfs_nodes, sizeof (bootfs_node_t),
+	    offsetof(bootfs_node_t, bvn_alink));
+
+	kstat_named_init(&bfs->bfs_stat.bfss_nfiles, "nfiles",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&bfs->bfs_stat.bfss_ndirs, "ndirs",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&bfs->bfs_stat.bfss_nbytes, "nbytes",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&bfs->bfs_stat.bfss_ndups, "ndup",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&bfs->bfs_stat.bfss_ndiscards, "ndiscard",
+	    KSTAT_DATA_UINT32);
+
+	bootfs_construct(bfs);
+
+	kstat_install(bfs->bfs_kstat);
+
+	return (0);
+}
+
+static int
+bootfs_unmount(vfs_t *vfsp, int flag, cred_t *cr)
+{
+	int ret;
+	bootfs_t *bfs = vfsp->vfs_data;
+	bootfs_node_t *bnp;
+
+	if ((ret = secpolicy_fs_unmount(cr, vfsp)) != 0)
+		return (ret);
+
+	if (flag & MS_FORCE)
+		return (ENOTSUP);
+
+	for (bnp = list_head(&bfs->bfs_nodes); bnp != NULL;
+	    bnp = list_next(&bfs->bfs_nodes, bnp)) {
+		mutex_enter(&bnp->bvn_vnp->v_lock);
+		if (bnp->bvn_vnp->v_count > 1) {
+			mutex_exit(&bnp->bvn_vnp->v_lock);
+			return (EBUSY);
+		}
+		mutex_exit(&bnp->bvn_vnp->v_lock);
+	}
+
+	kstat_delete(bfs->bfs_kstat);
+	bootfs_destruct(bfs);
+	list_destroy(&bfs->bfs_nodes);
+	kmem_free(bfs->bfs_mntpath, strlen(bfs->bfs_mntpath) + 1);
+	id_free(bootfs_idspace, bfs->bfs_minor);
+	kmem_free(bfs, sizeof (bootfs_t));
+	return (0);
+}
+
+static int
+bootfs_root(vfs_t *vfsp, vnode_t **vpp)
+{
+	bootfs_t *bfs;
+
+	bfs = (bootfs_t *)vfsp->vfs_data;
+	*vpp = bfs->bfs_rootvn->bvn_vnp;
+	VN_HOLD(*vpp)
+
+	return (0);
+}
+
+static int
+bootfs_statvfs(vfs_t *vfsp, struct statvfs64 *sbp)
+{
+	const bootfs_t *bfs = (bootfs_t *)vfsp;
+	dev32_t d32;
+
+	sbp->f_bsize = PAGESIZE;
+	sbp->f_frsize = PAGESIZE;
+
+	sbp->f_blocks = bfs->bfs_stat.bfss_nbytes.value.ui64 >> PAGESHIFT;
+	sbp->f_bfree = 0;
+	sbp->f_bavail = 0;
+
+	sbp->f_files = bfs->bfs_stat.bfss_nfiles.value.ui32 +
+	    bfs->bfs_stat.bfss_ndirs.value.ui32;
+	sbp->f_ffree = 0;
+	sbp->f_favail = 0;
+
+	(void) cmpldev(&d32, vfsp->vfs_dev);
+	sbp->f_fsid = d32;
+	(void) strlcpy(sbp->f_basetype, bootfs_name, FSTYPSZ);
+	bzero(sbp->f_fstr, sizeof (sbp->f_fstr));
+
+	return (0);
+}
+
+static const fs_operation_def_t bootfs_vfsops_tmpl[] = {
+	VFSNAME_MOUNT,		{ .vfs_mount = bootfs_mount },
+	VFSNAME_UNMOUNT,	{ .vfs_unmount = bootfs_unmount },
+	VFSNAME_ROOT,		{ .vfs_root = bootfs_root },
+	VFSNAME_STATVFS,	{ .vfs_statvfs = bootfs_statvfs },
+	NULL,			NULL
+};
+
+static int
+bootfs_init(int fstype, char *name)
+{
+	int ret;
+
+	bootfs_fstype = fstype;
+	ASSERT(bootfs_fstype != 0);
+
+	ret = vfs_setfsops(fstype, bootfs_vfsops_tmpl, NULL);
+	if (ret != 0)
+		return (ret);
+
+	ret = vn_make_ops(name, bootfs_vnodeops_template, &bootfs_vnodeops);
+	if (ret != 0) {
+		(void) vfs_freevfsops_by_type(bootfs_fstype);
+		return (ret);
+	}
+
+	bootfs_major = getudev();
+	if (bootfs_major == (major_t)-1) {
+		cmn_err(CE_WARN, "bootfs_init: Can't get unique device number");
+		bootfs_major = 0;
+	}
+
+	bootfs_nactive = 0;
+	return (0);
+}
+
+static mntopts_t bootfs_mntopts = {
+	0, NULL
+};
+
+static vfsdef_t bootfs_vfsdef = {
+	VFSDEF_VERSION,
+	"bootfs",
+	bootfs_init,
+	VSW_HASPROTO|VSW_STATS,
+	&bootfs_mntopts
+};
+
+static struct modlfs bootfs_modlfs = {
+	&mod_fsops, "boot-time modules file system", &bootfs_vfsdef
+};
+
+static struct modlinkage bootfs_modlinkage = {
+	MODREV_1, &bootfs_modlfs, NULL
+};
+
+int
+_init(void)
+{
+	bootfs_node_cache = kmem_cache_create("bootfs_node_cache",
+	    sizeof (bootfs_node_t), 0, bootfs_node_constructor,
+	    bootfs_node_destructor, NULL, NULL, NULL, 0);
+	bootfs_idspace = id_space_create("bootfs_minors", 1, INT32_MAX);
+	mutex_init(&bootfs_lock, NULL, MUTEX_DEFAULT, NULL);
+
+	return (mod_install(&bootfs_modlinkage));
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&bootfs_modlinkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	int err;
+
+	mutex_enter(&bootfs_lock);
+	if (bootfs_nactive > 0) {
+		mutex_exit(&bootfs_lock);
+		return (EBUSY);
+	}
+	mutex_exit(&bootfs_lock);
+
+	err = mod_remove(&bootfs_modlinkage);
+	if (err != 0)
+		return (err);
+
+	(void) vfs_freevfsops_by_type(bootfs_fstype);
+	vn_freevnodeops(bootfs_vnodeops);
+	id_space_destroy(bootfs_idspace);
+	mutex_destroy(&bootfs_lock);
+	kmem_cache_destroy(bootfs_node_cache);
+	return (err);
+}
diff --git a/usr/src/uts/common/fs/bootfs/bootfs_vnops.c b/usr/src/uts/common/fs/bootfs/bootfs_vnops.c
new file mode 100644
index 0000000000..f63d0a4f24
--- /dev/null
+++ b/usr/src/uts/common/fs/bootfs/bootfs_vnops.c
@@ -0,0 +1,544 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * bootfs vnode operations
+ */
+
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <sys/sunddi.h>
+#include <sys/errno.h>
+#include <sys/vfs_opreg.h>
+#include <sys/vnode.h>
+#include <sys/mman.h>
+#include <fs/fs_subr.h>
+#include <sys/policy.h>
+#include <sys/sysmacros.h>
+#include <sys/dirent.h>
+#include <sys/uio.h>
+#include <vm/pvn.h>
+#include <vm/hat.h>
+#include <vm/seg_map.h>
+#include <vm/seg_vn.h>
+#include <sys/vmsystm.h>
+
+#include <sys/fs/bootfs_impl.h>
+
+struct vnodeops *bootfs_vnodeops;
+
+/*ARGSUSED*/
+static int
+bootfs_open(vnode_t **vpp, int flag, cred_t *cr, caller_context_t *ct)
+{
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+bootfs_close(vnode_t *vp, int flag, int count, offset_t offset, cred_t *cr,
+    caller_context_t *ct)
+{
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+bootfs_read(vnode_t *vp, struct uio *uiop, int ioflag, cred_t *cr,
+    caller_context_t *ct)
+{
+	int err;
+	ssize_t sres = uiop->uio_resid;
+	bootfs_node_t *bnp = vp->v_data;
+
+	if (vp->v_type == VDIR)
+		return (EISDIR);
+
+	if (vp->v_type != VREG)
+		return (EINVAL);
+
+	if (uiop->uio_loffset < 0)
+		return (EINVAL);
+
+	if (uiop->uio_loffset >= bnp->bvn_size)
+		return (0);
+
+	err = 0;
+	while (uiop->uio_resid != 0) {
+		caddr_t base;
+		long offset, frem;
+		ulong_t poff, segoff;
+		size_t bytes;
+		int relerr;
+
+		offset = uiop->uio_loffset;
+		poff = offset & PAGEOFFSET;
+		bytes = MIN(PAGESIZE - poff, uiop->uio_resid);
+
+		frem = bnp->bvn_size - offset;
+		if (frem <= 0) {
+			err = 0;
+			break;
+		}
+
+		/* Don't read past EOF */
+		bytes = MIN(bytes, frem);
+
+		/*
+		 * Segmaps are likely larger than our page size, so make sure we
+		 * have the proper offfset into the resulting segmap data.
+		 */
+		segoff = (offset & PAGEMASK) & MAXBOFFSET;
+
+		base = segmap_getmapflt(segkmap, vp, offset & MAXBMASK, bytes,
+		    1, S_READ);
+
+		err = uiomove(base + segoff + poff, bytes, UIO_READ, uiop);
+		relerr = segmap_release(segkmap, base, 0);
+
+		if (err == 0)
+			err = relerr;
+
+		if (err != 0)
+			break;
+	}
+
+	/* Even if we had an error in a partial read, return success */
+	if (uiop->uio_resid > sres)
+		err = 0;
+
+	gethrestime(&bnp->bvn_attr.va_atime);
+
+	return (err);
+}
+
+/*ARGSUSED*/
+static int
+bootfs_ioctl(vnode_t *vp, int cmd, intptr_t data, int flag,
+    cred_t *cr, int *rvalp, caller_context_t *ct)
+{
+	return (ENOTTY);
+}
+
+/*ARGSUSED*/
+static int
+bootfs_getattr(vnode_t *vp, vattr_t *vap, int flags, cred_t *cr,
+    caller_context_t *ct)
+{
+	uint32_t mask;
+	bootfs_node_t *bpn = (bootfs_node_t *)vp->v_data;
+
+	mask = vap->va_mask;
+	bcopy(&bpn->bvn_attr, vap, sizeof (vattr_t));
+	vap->va_mask = mask;
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+bootfs_access(vnode_t *vp, int mode, int flags, cred_t *cr,
+    caller_context_t *ct)
+{
+	int shift = 0;
+	bootfs_node_t *bpn = (bootfs_node_t *)vp->v_data;
+
+	if (crgetuid(cr) != bpn->bvn_attr.va_uid) {
+		shift += 3;
+		if (groupmember(bpn->bvn_attr.va_gid, cr) == 0)
+			shift += 3;
+	}
+
+	return (secpolicy_vnode_access2(cr, vp, bpn->bvn_attr.va_uid,
+	    bpn->bvn_attr.va_mode << shift, mode));
+}
+
+/*ARGSUSED*/
+static int
+bootfs_lookup(vnode_t *dvp, char *nm, vnode_t **vpp, struct pathname *pnp,
+    int flags, vnode_t *rdir, cred_t *cr, caller_context_t *ct,
+    int *direntflags, pathname_t *realpnp)
+{
+	avl_index_t where;
+	bootfs_node_t sn, *bnp;
+	bootfs_node_t *bpp = (bootfs_node_t *)dvp->v_data;
+
+	if (flags & LOOKUP_XATTR)
+		return (EINVAL);
+
+	if (bpp->bvn_attr.va_type != VDIR)
+		return (ENOTDIR);
+
+	if (*nm == '\0' || strcmp(nm, ".") == 0) {
+		VN_HOLD(dvp);
+		*vpp = dvp;
+		return (0);
+	}
+
+	if (strcmp(nm, "..") == 0) {
+		VN_HOLD(bpp->bvn_parent->bvn_vnp);
+		*vpp = bpp->bvn_parent->bvn_vnp;
+		return (0);
+	}
+
+	sn.bvn_name = nm;
+	bnp = avl_find(&bpp->bvn_dir, &sn, &where);
+	if (bnp == NULL)
+		return (ENOENT);
+
+	VN_HOLD(bnp->bvn_vnp);
+	*vpp = bnp->bvn_vnp;
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+bootfs_readdir(vnode_t *vp, struct uio *uiop, cred_t *cr, int *eofp,
+    caller_context_t *ct, int flags)
+{
+	bootfs_node_t *bnp = (bootfs_node_t *)vp->v_data;
+	dirent64_t *dp;
+	void *buf;
+	ulong_t bsize, brem;
+	offset_t coff, roff;
+	int dlen, ret;
+	bootfs_node_t *dnp;
+	boolean_t first = B_TRUE;
+
+	if (uiop->uio_loffset >= MAXOFF_T) {
+		if (eofp != NULL)
+			*eofp = 1;
+		return (0);
+	}
+
+	if (uiop->uio_iovcnt != 1)
+		return (EINVAL);
+
+	if (!(uiop->uio_iov->iov_len > 0))
+		return (EINVAL);
+
+	if (vp->v_type != VDIR)
+		return (ENOTDIR);
+
+	roff = uiop->uio_loffset;
+	coff = 0;
+	brem = bsize = uiop->uio_iov->iov_len;
+	buf = kmem_alloc(bsize, KM_SLEEP);
+	dp = buf;
+
+	/*
+	 * Recall that offsets here are done based on the name of the dirent
+	 * excluding the null terminator. Therefore `.` is always at 0, `..` is
+	 * always at 1, and then the first real dirent is at 3. This offset is
+	 * what's actually stored when we update the offset in the structure.
+	 */
+	if (roff == 0) {
+		dlen = DIRENT64_RECLEN(1);
+		if (first == B_TRUE) {
+			if (dlen > brem) {
+				kmem_free(buf, bsize);
+				return (EINVAL);
+			}
+			first = B_FALSE;
+		}
+		dp->d_ino = (ino64_t)bnp->bvn_attr.va_nodeid;
+		dp->d_off = 0;
+		dp->d_reclen = (ushort_t)dlen;
+		(void) strncpy(dp->d_name, ".", DIRENT64_NAMELEN(dlen));
+		dp = (struct dirent64 *)((uintptr_t)dp + dp->d_reclen);
+		brem -= dlen;
+	}
+
+	if (roff <= 1) {
+		dlen = DIRENT64_RECLEN(2);
+		if (first == B_TRUE) {
+			if (dlen > brem) {
+				kmem_free(buf, bsize);
+				return (EINVAL);
+			}
+			first = B_FALSE;
+		}
+		dp->d_ino = (ino64_t)bnp->bvn_parent->bvn_attr.va_nodeid;
+		dp->d_off = 1;
+		dp->d_reclen = (ushort_t)dlen;
+		(void) strncpy(dp->d_name, "..", DIRENT64_NAMELEN(dlen));
+		dp = (struct dirent64 *)((uintptr_t)dp + dp->d_reclen);
+		brem -= dlen;
+	}
+
+	coff = 3;
+	for (dnp = avl_first(&bnp->bvn_dir); dnp != NULL;
+	    dnp = AVL_NEXT(&bnp->bvn_dir, dnp)) {
+		size_t nlen = strlen(dnp->bvn_name);
+
+		if (roff > coff) {
+			coff += nlen;
+			continue;
+		}
+
+		dlen = DIRENT64_RECLEN(nlen);
+		if (dlen > brem) {
+			if (first == B_TRUE) {
+				kmem_free(buf, bsize);
+				return (EINVAL);
+			}
+			break;
+		}
+		first = B_FALSE;
+
+		dp->d_ino = (ino64_t)dnp->bvn_attr.va_nodeid;
+		dp->d_off = coff;
+		dp->d_reclen = (ushort_t)dlen;
+		(void) strncpy(dp->d_name, dnp->bvn_name,
+		    DIRENT64_NAMELEN(dlen));
+		dp = (struct dirent64 *)((uintptr_t)dp + dp->d_reclen);
+		brem -= dlen;
+		coff += nlen;
+	}
+
+	ret = uiomove(buf, (bsize - brem), UIO_READ, uiop);
+
+	if (ret == 0) {
+		if (dnp == NULL) {
+			coff++;
+			if (eofp != NULL)
+				*eofp = 1;
+		} else if (eofp != NULL) {
+			*eofp = 0;
+		}
+		uiop->uio_loffset = coff;
+	}
+	gethrestime(&bnp->bvn_attr.va_atime);
+	kmem_free(buf, bsize);
+	return (ret);
+}
+
+/*ARGSUSED*/
+static void
+bootfs_inactive(vnode_t *vp, cred_t *cr, caller_context_t *ct)
+{
+}
+
+/*ARGSUSED*/
+static int
+bootfs_rwlock(vnode_t *vp, int write_lock, caller_context_t *ct)
+{
+	if (write_lock != 0)
+		return (EINVAL);
+	return (0);
+}
+
+/*ARGSUSED*/
+static void
+bootfs_rwunlock(vnode_t *vp, int write_lock, caller_context_t *ct)
+{
+}
+
+/*ARGSUSED*/
+static int
+bootfs_seek(vnode_t *vp, offset_t ooff, offset_t *noffp,
+    caller_context_t *ct)
+{
+	bootfs_node_t *bnp = (bootfs_node_t *)vp->v_data;
+	if (vp->v_type == VDIR)
+		return (0);
+	return ((*noffp < 0 || *noffp > bnp->bvn_size ? EINVAL : 0));
+}
+
+/*
+ * We need to fill in a single page of a vnode's memory based on the actual data
+ * from the kernel. We'll use this node's sliding window into physical memory
+ * and update one page at a time.
+ */
+/*ARGSUSED*/
+static int
+bootfs_getapage(vnode_t *vp, u_offset_t off, size_t len, uint_t *protp,
+    page_t *pl[], size_t plsz, struct seg *seg, caddr_t addr, enum seg_rw rw,
+    cred_t *cr)
+{
+	bootfs_node_t *bnp = vp->v_data;
+	page_t *pp, *fpp;
+	pfn_t pfn;
+
+	for (;;) {
+		/* Easy case where the page exists */
+		pp = page_lookup(vp, off, rw == S_CREATE ? SE_EXCL : SE_SHARED);
+		if (pp != NULL) {
+			if (pl != NULL) {
+				pl[0] = pp;
+				pl[1] = NULL;
+			} else {
+				page_unlock(pp);
+			}
+			return (0);
+		}
+
+		pp = page_create_va(vp, off, PAGESIZE, PG_EXCL | PG_WAIT, seg,
+		    addr);
+
+		/*
+		 * If we didn't get the page, that means someone else beat us to
+		 * creating this so we need to try again.
+		 */
+		if (pp != NULL)
+			break;
+	}
+
+	pfn = btop((bnp->bvn_addr + off) & PAGEMASK);
+	fpp = page_numtopp_nolock(pfn);
+
+	if (ppcopy(fpp, pp) == 0) {
+		pvn_read_done(pp, B_ERROR);
+		return (EIO);
+	}
+
+	if (pl != NULL) {
+		pvn_plist_init(pp, pl, plsz, off, PAGESIZE, rw);
+	} else {
+		pvn_io_done(pp);
+	}
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+bootfs_getpage(vnode_t *vp, offset_t off, size_t len, uint_t *protp,
+    page_t *pl[], size_t plsz, struct seg *seg, caddr_t addr, enum seg_rw rw,
+    cred_t *cr, caller_context_t *ct)
+{
+	int err;
+	bootfs_node_t *bnp = vp->v_data;
+
+	if (off + len > bnp->bvn_size + PAGEOFFSET)
+		return (EFAULT);
+
+	if (len <= PAGESIZE)
+		err = bootfs_getapage(vp, (u_offset_t)off, len, protp, pl,
+		    plsz, seg, addr, rw, cr);
+	else
+		err = pvn_getpages(bootfs_getapage, vp, (u_offset_t)off, len,
+		    protp, pl, plsz, seg, addr, rw, cr);
+
+	return (err);
+}
+
+/*ARGSUSED*/
+static int
+bootfs_map(vnode_t *vp, offset_t off, struct as *as, caddr_t *addrp,
+    size_t len, uchar_t prot, uchar_t maxprot, uint_t flags, cred_t *cr,
+    caller_context_t *ct)
+{
+	int ret;
+	segvn_crargs_t vn_a;
+
+#ifdef	_ILP32
+	if (len > MAXOFF_T)
+		return (ENOMEM);
+#endif
+
+	if (vp->v_flag & VNOMAP)
+		return (ENOSYS);
+
+	if (off < 0 || off > MAXOFFSET_T - off)
+		return (ENXIO);
+
+	if (vp->v_type != VREG)
+		return (ENODEV);
+
+	if (prot & PROT_WRITE)
+		return (ENOTSUP);
+
+	as_rangelock(as);
+	ret = choose_addr(as, addrp, len, off, ADDR_VACALIGN, flags);
+	if (ret != 0) {
+		as_rangeunlock(as);
+		return (ret);
+	}
+
+	vn_a.vp = vp;
+	vn_a.offset = (u_offset_t)off;
+	vn_a.type = flags & MAP_TYPE;
+	vn_a.prot = prot;
+	vn_a.maxprot = maxprot;
+	vn_a.cred = cr;
+	vn_a.amp = NULL;
+	vn_a.flags = flags & ~MAP_TYPE;
+	vn_a.szc = 0;
+	vn_a.lgrp_mem_policy_flags = 0;
+
+	ret = as_map(as, *addrp, len, segvn_create, &vn_a);
+
+	as_rangeunlock(as);
+	return (ret);
+
+}
+
+/*ARGSUSED*/
+static int
+bootfs_addmap(vnode_t *vp, offset_t off, struct as *as, caddr_t addr,
+    size_t len, uchar_t prot, uchar_t maxprot, uint_t flags, cred_t *cr,
+    caller_context_t *ct)
+{
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+bootfs_delmap(vnode_t *vp, offset_t off, struct as *as, caddr_t addr,
+    size_t len, uint_t prot, uint_t maxprot, uint_t flags, cred_t *cr,
+    caller_context_t *ct)
+{
+	return (0);
+}
+
+static int
+bootfs_pathconf(vnode_t *vp, int cmd, ulong_t *valp, cred_t *cr,
+    caller_context_t *ct)
+{
+	int ret;
+
+	switch (cmd) {
+	case _PC_TIMESTAMP_RESOLUTION:
+		*valp = 1L;
+		ret = 0;
+		break;
+	default:
+		ret = fs_pathconf(vp, cmd, valp, cr, ct);
+	}
+
+	return (ret);
+}
+
+const fs_operation_def_t bootfs_vnodeops_template[] = {
+	VOPNAME_OPEN,		{ .vop_open = bootfs_open },
+	VOPNAME_CLOSE,		{ .vop_close = bootfs_close },
+	VOPNAME_READ,		{ .vop_read = bootfs_read },
+	VOPNAME_IOCTL,		{ .vop_ioctl = bootfs_ioctl },
+	VOPNAME_GETATTR,	{ .vop_getattr = bootfs_getattr },
+	VOPNAME_ACCESS,		{ .vop_access = bootfs_access },
+	VOPNAME_LOOKUP,		{ .vop_lookup = bootfs_lookup },
+	VOPNAME_READDIR,	{ .vop_readdir = bootfs_readdir },
+	VOPNAME_INACTIVE,	{ .vop_inactive = bootfs_inactive },
+	VOPNAME_RWLOCK,		{ .vop_rwlock = bootfs_rwlock },
+	VOPNAME_RWUNLOCK,	{ .vop_rwunlock = bootfs_rwunlock },
+	VOPNAME_SEEK,		{ .vop_seek = bootfs_seek },
+	VOPNAME_GETPAGE,	{ .vop_getpage = bootfs_getpage },
+	VOPNAME_MAP,		{ .vop_map = bootfs_map },
+	VOPNAME_ADDMAP,		{ .vop_addmap = bootfs_addmap },
+	VOPNAME_DELMAP,		{ .vop_delmap = bootfs_delmap },
+	VOPNAME_PATHCONF,	{ .vop_pathconf = bootfs_pathconf },
+	VOPNAME_VNEVENT,	{ .vop_vnevent = fs_vnevent_nosupport },
+	NULL,			NULL
+};
diff --git a/usr/src/uts/common/fs/dev/sdev_netops.c b/usr/src/uts/common/fs/dev/sdev_netops.c
index 4eaf38f484..41441ec52d 100644
--- a/usr/src/uts/common/fs/dev/sdev_netops.c
+++ b/usr/src/uts/common/fs/dev/sdev_netops.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
  */
 
 /*
@@ -41,8 +42,102 @@
 #include <sys/zone.h>
 #include <sys/dls.h>
 
+static const char *devnet_zpath = "/dev/net/zone/";
 struct vnodeops		*devnet_vnodeops;
 
+static zoneid_t
+devnet_nodetozone(sdev_node_t *dv)
+{
+	char *zname = NULL, *dup;
+	zone_t *zone;
+	int duplen;
+	zoneid_t zid;
+
+	/*
+	 * If in a non-global zone, always return it's zid no matter what the
+	 * node is.
+	 */
+	zid = getzoneid();
+	if (zid != GLOBAL_ZONEID)
+		return (zid);
+
+	/*
+	 * If it doesn't have /dev/net/zone/ then it can't be a specific zone
+	 * we're targetting.
+	 */
+	if (strncmp(devnet_zpath, dv->sdev_path, strlen(devnet_zpath)) != 0)
+		return (GLOBAL_ZONEID);
+
+	if (dv->sdev_vnode->v_type == VDIR) {
+		zone = zone_find_by_name(dv->sdev_name);
+	} else {
+		/* Non directories have the form /dev/net/zone/%z/%s */
+		dup = strdup(dv->sdev_path);
+		duplen = strlen(dup);
+		zname = strrchr(dup, '/');
+		*zname = '\0';
+		zname--;
+		zname = strrchr(dup, '/');
+		zname++;
+		zone = zone_find_by_name(zname);
+		kmem_free(dup, duplen + 1);
+	}
+	if (zone == NULL)
+		return (GLOBAL_ZONEID);
+	zid = zone->zone_id;
+	zone_rele(zone);
+	return (zid);
+}
+
+static int
+devnet_mkdir(struct sdev_node *ddv, char *name)
+{
+	sdev_node_t *dv;
+	struct vattr va;
+	int ret;
+
+	ASSERT(RW_WRITE_HELD(&ddv->sdev_contents));
+	dv = sdev_cache_lookup(ddv, name);
+	if (dv != NULL) {
+		SDEV_SIMPLE_RELE(dv);
+		return (EEXIST);
+	}
+
+	va = *sdev_getdefault_attr(VDIR);
+	gethrestime(&va.va_atime);
+	va.va_mtime = va.va_atime;
+	va.va_ctime = va.va_atime;
+
+	ret = sdev_mknode(ddv, name, &dv, &va, NULL, NULL, kcred, SDEV_READY);
+	if (ret != 0)
+		return (ret);
+	SDEV_SIMPLE_RELE(dv);
+	return (0);
+}
+
+/*
+ * We basically need to walk down the directory path to determine what we should
+ * do. At the top level of /dev/net, only the directory /dev/net/zone is valid,
+ * and it is always valid. Following on that, /dev/net/zone/%zonename is valid
+ * if and only if we can look up that zone name. If it's not, or it's some other
+ * name, then it's SDEV_VTOR_INVALID.
+ */
+static int
+devnet_dirvalidate(struct sdev_node *dv)
+{
+	zone_t *zonep;
+	char *path = "/dev/net/zone";
+
+	if (strcmp(path, dv->sdev_path) == 0)
+		return (SDEV_VTOR_VALID);
+
+	zonep = zone_find_by_name(dv->sdev_name);
+	if (zonep == NULL)
+		return (SDEV_VTOR_INVALID);
+	zone_rele(zonep);
+	return (SDEV_VTOR_VALID);
+}
+
 /*
  * Check if a net sdev_node is still valid - i.e. it represents a current
  * network link.
@@ -60,11 +155,20 @@ devnet_validate(struct sdev_node *dv)
 
 	ASSERT(dv->sdev_state == SDEV_READY);
 
-	if (dls_mgmt_get_linkid(dv->sdev_name, &linkid) != 0)
+	if (dv->sdev_vnode->v_type == VDIR)
+		return (devnet_dirvalidate(dv));
+
+	if (strncmp(devnet_zpath, dv->sdev_path, strlen(devnet_zpath)) == 0) {
+		ASSERT(SDEV_IS_GLOBAL(dv));
+		zoneid = devnet_nodetozone(dv);
+	} else {
+		zoneid = getzoneid();
+	}
+
+	if (dls_mgmt_get_linkid_in_zone(dv->sdev_name, &linkid, zoneid) != 0)
 		return (SDEV_VTOR_INVALID);
-	if (SDEV_IS_GLOBAL(dv))
+	if (zoneid == GLOBAL_ZONEID)
 		return (SDEV_VTOR_VALID);
-	zoneid = getzoneid();
 	return (zone_check_datalink(&zoneid, linkid) == 0 ?
 	    SDEV_VTOR_VALID : SDEV_VTOR_INVALID);
 }
@@ -74,13 +178,14 @@ devnet_validate(struct sdev_node *dv)
  * a net entry when the node is not found in the cache.
  */
 static int
-devnet_create_rvp(const char *nm, struct vattr *vap, dls_dl_handle_t *ddhp)
+devnet_create_rvp(const char *nm, struct vattr *vap, dls_dl_handle_t *ddhp,
+    zoneid_t zid)
 {
 	timestruc_t now;
 	dev_t dev;
 	int error;
 
-	if ((error = dls_devnet_open(nm, ddhp, &dev)) != 0) {
+	if ((error = dls_devnet_open_in_zone(nm, ddhp, &dev, zid)) != 0) {
 		sdcmn_err12(("devnet_create_rvp: not a valid vanity name "
 		    "network node: %s\n", nm));
 		return (error);
@@ -116,6 +221,7 @@ devnet_lookup(struct vnode *dvp, char *nm, struct vnode **vpp,
 	struct sdev_node *ddv = VTOSDEV(dvp);
 	struct sdev_node *dv = NULL;
 	dls_dl_handle_t ddh = NULL;
+	zone_t *zone;
 	struct vattr vattr;
 	int nmlen;
 	int error = ENOENT;
@@ -123,6 +229,9 @@ devnet_lookup(struct vnode *dvp, char *nm, struct vnode **vpp,
 	if (SDEVTOV(ddv)->v_type != VDIR)
 		return (ENOTDIR);
 
+	if (!SDEV_IS_GLOBAL(ddv) && crgetzoneid(cred) == GLOBAL_ZONEID)
+		return (EPERM);
+
 	/*
 	 * Empty name or ., return node itself.
 	 */
@@ -145,6 +254,12 @@ devnet_lookup(struct vnode *dvp, char *nm, struct vnode **vpp,
 	rw_enter(&ddv->sdev_contents, RW_WRITER);
 
 	/*
+	 * ZOMBIED parent does not allow new node creation, bail out early.
+	 */
+	if (ddv->sdev_state == SDEV_ZOMBIE)
+		goto failed;
+
+	/*
 	 * directory cache lookup:
 	 */
 	if ((dv = sdev_cache_lookup(ddv, nm)) != NULL) {
@@ -153,13 +268,42 @@ devnet_lookup(struct vnode *dvp, char *nm, struct vnode **vpp,
 			goto found;
 	}
 
+	if (SDEV_IS_GLOBAL(ddv)) {
+		/*
+		 * Check for /dev/net/zone
+		 */
+		if (strcmp("zone", nm) == 0 && strcmp("/dev/net",
+		    ddv->sdev_path) == 0) {
+			(void) devnet_mkdir(ddv, nm);
+			dv = sdev_cache_lookup(ddv, nm);
+			ASSERT(dv != NULL);
+			goto found;
+		}
+
+		/*
+		 * Check for /dev/net/zone/%z. We can't use devnet_zpath due to
+		 * its trailing slash.
+		 */
+		if (strcmp("/dev/net/zone", ddv->sdev_path) == 0) {
+			zone = zone_find_by_name(nm);
+			if (zone == NULL)
+				goto failed;
+			(void) devnet_mkdir(ddv, nm);
+			zone_rele(zone);
+			dv = sdev_cache_lookup(ddv, nm);
+			ASSERT(dv != NULL);
+			goto found;
+		}
+	} else if (strcmp("/dev/net", ddv->sdev_path) != 0) {
+		goto failed;
+	}
+
 	/*
-	 * ZOMBIED parent does not allow new node creation, bail out early.
+	 * We didn't find what we were looking for. What that is depends a lot
+	 * on what directory we're in.
 	 */
-	if (ddv->sdev_state == SDEV_ZOMBIE)
-		goto failed;
 
-	error = devnet_create_rvp(nm, &vattr, &ddh);
+	error = devnet_create_rvp(nm, &vattr, &ddh, devnet_nodetozone(ddv));
 	if (error != 0)
 		goto failed;
 
@@ -219,7 +363,7 @@ devnet_filldir_datalink(datalink_id_t linkid, void *arg)
 	if ((dv = sdev_cache_lookup(ddv, (char *)link)) != NULL)
 		goto found;
 
-	if (devnet_create_rvp(link, &vattr, &ddh) != 0)
+	if (devnet_create_rvp(link, &vattr, &ddh, devnet_nodetozone(arg)) != 0)
 		return (0);
 
 	ASSERT(ddh != NULL);
@@ -244,16 +388,77 @@ found:
 	return (0);
 }
 
+/*
+ * Fill in all the entries for the current zone.
+ */
 static void
-devnet_filldir(struct sdev_node *ddv)
+devnet_fillzone(struct sdev_node *ddv, zoneid_t zid)
 {
-	sdev_node_t	*dv, *next;
 	datalink_id_t	linkid;
 
+	ASSERT(RW_WRITE_HELD(&ddv->sdev_contents));
+	if (zid == GLOBAL_ZONEID) {
+		ASSERT(SDEV_IS_GLOBAL(ddv));
+		linkid = DATALINK_INVALID_LINKID;
+		do {
+			linkid = dls_mgmt_get_next(linkid, DATALINK_CLASS_ALL,
+			    DATALINK_ANY_MEDIATYPE, DLMGMT_ACTIVE);
+			if (linkid != DATALINK_INVALID_LINKID)
+				(void) devnet_filldir_datalink(linkid, ddv);
+		} while (linkid != DATALINK_INVALID_LINKID);
+	} else {
+		(void) zone_datalink_walk(zid,  devnet_filldir_datalink, ddv);
+	}
+}
+
+/*
+ * Callback for zone_walk when filling up /dev/net/zone/...
+ */
+static int
+devnet_fillzdir_cb(zone_t *zonep, void *arg)
+{
+	sdev_node_t *ddv = arg;
+
+	ASSERT(RW_WRITE_HELD(&ddv->sdev_contents));
+	(void) devnet_mkdir(ddv, zonep->zone_name);
+	return (0);
+}
+
+/*
+ * Fill in a directory that isn't the top level /dev/net.
+ */
+static void
+devnet_fillzdir(struct sdev_node *ddv)
+{
+	zone_t *zonep;
+	char *path = "/dev/net/zone";
+
+	if (strcmp(path, ddv->sdev_path) == 0) {
+		(void) zone_walk(devnet_fillzdir_cb, ddv);
+		return;
+	}
+
+	zonep = zone_find_by_name(ddv->sdev_name);
+	if (zonep == NULL)
+		return;
+	devnet_fillzone(ddv, zonep->zone_id);
+	zone_rele(zonep);
+}
+
+static void
+devnet_filldir(struct sdev_node *ddv)
+{
+	int ret;
+	sdev_node_t *dv, *next;
+
 	ASSERT(RW_READ_HELD(&ddv->sdev_contents));
 	if (rw_tryupgrade(&ddv->sdev_contents) == NULL) {
 		rw_exit(&ddv->sdev_contents);
 		rw_enter(&ddv->sdev_contents, RW_WRITER);
+		if (ddv->sdev_state == SDEV_ZOMBIE) {
+			rw_exit(&ddv->sdev_contents);
+			return;
+		}
 	}
 
 	for (dv = SDEV_FIRST_ENTRY(ddv); dv; dv = next) {
@@ -276,31 +481,38 @@ devnet_filldir(struct sdev_node *ddv)
 
 		if (SDEVTOV(dv)->v_count > 0)
 			continue;
+
 		SDEV_HOLD(dv);
+
+		/*
+		 * Clean out everything underneath before we remove ourselves.
+		 */
+		if (SDEVTOV(ddv)->v_type == VDIR) {
+			ret = sdev_cleandir(dv, NULL, 0);
+			ASSERT(ret == 0);
+		}
 		/* remove the cache node */
 		(void) sdev_cache_update(ddv, &dv, dv->sdev_name,
 		    SDEV_CACHE_DELETE);
 		SDEV_RELE(dv);
 	}
 
+	if (strcmp(ddv->sdev_path, "/dev/net") != 0) {
+		devnet_fillzdir(ddv);
+		goto done;
+	}
+
 	if (((ddv->sdev_flags & SDEV_BUILD) == 0) && !dls_devnet_rebuild())
 		goto done;
 
 	if (SDEV_IS_GLOBAL(ddv)) {
-		linkid = DATALINK_INVALID_LINKID;
-		do {
-			linkid = dls_mgmt_get_next(linkid, DATALINK_CLASS_ALL,
-			    DATALINK_ANY_MEDIATYPE, DLMGMT_ACTIVE);
-			if (linkid != DATALINK_INVALID_LINKID)
-				(void) devnet_filldir_datalink(linkid, ddv);
-		} while (linkid != DATALINK_INVALID_LINKID);
+		devnet_fillzone(ddv, GLOBAL_ZONEID);
+		(void) devnet_mkdir(ddv, "zone");
 	} else {
-		(void) zone_datalink_walk(getzoneid(),
-		    devnet_filldir_datalink, ddv);
+		devnet_fillzone(ddv, getzoneid());
 	}
 
 	ddv->sdev_flags &= ~SDEV_BUILD;
-
 done:
 	rw_downgrade(&ddv->sdev_contents);
 }
@@ -319,6 +531,9 @@ devnet_readdir(struct vnode *dvp, struct uio *uiop, struct cred *cred,
 
 	ASSERT(sdvp);
 
+	if (crgetzoneid(cred) == GLOBAL_ZONEID && !SDEV_IS_GLOBAL(sdvp))
+		return (EPERM);
+
 	if (uiop->uio_offset == 0)
 		devnet_filldir(sdvp);
 
diff --git a/usr/src/uts/common/fs/dev/sdev_plugin.c b/usr/src/uts/common/fs/dev/sdev_plugin.c
new file mode 100644
index 0000000000..885191175f
--- /dev/null
+++ b/usr/src/uts/common/fs/dev/sdev_plugin.c
@@ -0,0 +1,913 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
+
+/*
+ * Dynamic directory plugin interface for sdev.
+ *
+ * The sdev plugin interfaces provides a means for a dynamic directory based on
+ * in-kernel state to be simply created. Traditionally, dynamic directories were
+ * built into sdev itself. While these legacy plugins are useful, it makes more
+ * sense for these pieces of functionality to live with the individual drivers.
+ *
+ * The plugin interface requires folks to implement three interfaces and
+ * provides a series of callbacks that can be made in the context of those
+ * interfaces to interrogate the sdev_node_t without having to leak
+ * implementation details of the sdev_node_t. These interfaces are:
+ *
+ *   o spo_validate
+ *
+ *   Given a particular node, answer the question as to whether or not this
+ *   entry is still valid. Here, plugins should use the name and the dev_t
+ *   associated with the node to verify that it matches something that still
+ *   exists.
+ *
+ *   o spo_filldir
+ *
+ *   Fill all the entries inside of a directory. Note that some of these entries
+ *   may already exist.
+ *
+ *   o spo_inactive
+ *
+ *   The given node is no longer being used. This allows the consumer to
+ *   potentially tear down anything that was being held open related to this.
+ *   Note that this only fires when the given sdev_node_t becomes a zombie.
+ *
+ * During these callbacks a consumer is not allowed to register or unregister a
+ * plugin, especially their own. They may call the sdev_ctx style functions. All
+ * callbacks fire in a context where blocking is allowed (eg. the spl is below
+ * LOCK_LEVEL).
+ *
+ * When a plugin is added, we create its directory in the global zone. By doing
+ * that, we ensure that something isn't already there and that nothing else can
+ * come along and try and create something without our knowledge. We only have
+ * to create it in the GZ and not for all other instances of sdev because an
+ * instance of sdev that isn't at /dev does not have dynamic directories, and
+ * second, any instance of sdev present in a non-global zone cannot create
+ * anything, therefore we know that by it not being in the global zone's
+ * instance of sdev that we're good to go.
+ *
+ * Lock Ordering
+ * -------------
+ *
+ * The global sdev_plugin_lock must be held before any of the individual
+ * sdev_plugin_t`sp_lock. Further, once any plugin related lock has been held,
+ * it is not legal to take any holds on any sdev_node_t or to grab the
+ * sdev_node_t`contents_lock in any way.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/fs/sdev_impl.h>
+#include <sys/fs/sdev_plugin.h>
+#include <fs/fs_subr.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/ksynch.h>
+#include <sys/sysmacros.h>
+#include <sys/list.h>
+#include <sys/ctype.h>
+
+kmutex_t sdev_plugin_lock;
+list_t sdev_plugin_list;
+kmem_cache_t *sdev_plugin_cache;
+struct vnodeops *sdev_plugin_vnops;
+
+#define	SDEV_PLUGIN_NAMELEN	64
+
+typedef struct sdev_plugin {
+	list_node_t sp_link;
+	char sp_name[SDEV_PLUGIN_NAMELEN];	/* E */
+	int sp_nflags;				/* E */
+	struct vnodeops *sp_vnops;		/* E */
+	sdev_plugin_ops_t *sp_pops;		/* E */
+	boolean_t sp_islegacy;			/* E */
+	int (*sp_lvtor)(sdev_node_t *);		/* E */
+	kmutex_t sp_lock;			/* Protects everything below */
+	kcondvar_t sp_nodecv;
+	size_t sp_nnodes;
+} sdev_plugin_t;
+
+/* ARGSUSED */
+static int
+sdev_plugin_cache_constructor(void *buf, void *arg, int tags)
+{
+	sdev_plugin_t *spp = buf;
+	mutex_init(&spp->sp_lock, NULL, MUTEX_DRIVER, 0);
+	cv_init(&spp->sp_nodecv, NULL, CV_DRIVER, NULL);
+	return (0);
+}
+
+/* ARGSUSED */
+static void
+sdev_plugin_cache_destructor(void *buf, void *arg)
+{
+	sdev_plugin_t *spp = buf;
+	cv_destroy(&spp->sp_nodecv);
+	mutex_destroy(&spp->sp_lock);
+}
+
+enum vtype
+sdev_ctx_vtype(sdev_ctx_t ctx)
+{
+	sdev_node_t *sdp = (sdev_node_t *)ctx;
+
+	ASSERT(RW_LOCK_HELD(&sdp->sdev_contents));
+	return (sdp->sdev_vnode->v_type);
+}
+
+const char *
+sdev_ctx_path(sdev_ctx_t ctx)
+{
+	sdev_node_t *sdp = (sdev_node_t *)ctx;
+
+	ASSERT(RW_LOCK_HELD(&sdp->sdev_contents));
+	return (sdp->sdev_path);
+}
+
+const char *
+sdev_ctx_name(sdev_ctx_t ctx)
+{
+	sdev_node_t *sdp = (sdev_node_t *)ctx;
+
+	ASSERT(RW_LOCK_HELD(&sdp->sdev_contents));
+	return (sdp->sdev_name);
+}
+
+/*
+ * Currently we only support psasing through a single flag -- SDEV_IS_GLOBAL.
+ */
+sdev_ctx_flags_t
+sdev_ctx_flags(sdev_ctx_t ctx)
+{
+	sdev_node_t *sdp = (sdev_node_t *)ctx;
+
+	ASSERT(RW_LOCK_HELD(&sdp->sdev_contents));
+	return (sdp->sdev_flags & SDEV_GLOBAL);
+}
+
+/*
+ * Return some amount of private data specific to the vtype. In the case of a
+ * character or block device this is the device number.
+ */
+const void *
+sdev_ctx_vtype_data(sdev_ctx_t ctx)
+{
+	sdev_node_t *sdp = (sdev_node_t *)ctx;
+	void *ret;
+
+	ASSERT(RW_LOCK_HELD(&sdp->sdev_contents));
+	switch (sdp->sdev_vnode->v_type) {
+	case VCHR:
+	case VBLK:
+		ret = (void *)(uintptr_t)(sdp->sdev_vnode->v_rdev);
+		break;
+	default:
+		ret = NULL;
+		break;
+	}
+
+	return (ret);
+}
+
+/*
+ * Use the same rules as zones for a name. isalphanum + '-', '_', and '.'.
+ */
+static int
+sdev_plugin_name_isvalid(const char *c, int buflen)
+{
+	int i;
+
+	for (i = 0; i < buflen; i++, c++) {
+		if (*c == '\0')
+			return (1);
+
+		if (!isalnum(*c) && *c != '-' && *c != '_' && *c != '.')
+			return (0);
+	}
+	/* Never found a null terminator */
+	return (0);
+}
+
+static int
+sdev_plugin_mknode(sdev_plugin_t *spp, sdev_node_t *sdvp, char *name,
+    vattr_t *vap)
+{
+	int ret;
+	sdev_node_t *svp;
+
+	ASSERT(RW_WRITE_HELD(&sdvp->sdev_contents));
+	ASSERT(spp != NULL);
+	svp = sdev_cache_lookup(sdvp, name);
+	if (svp != NULL) {
+		SDEV_SIMPLE_RELE(svp);
+		return (EEXIST);
+	}
+
+	ret = sdev_mknode(sdvp, name, &svp, vap, NULL, NULL, kcred,
+	    SDEV_READY);
+	if (ret != 0)
+		return (ret);
+	SDEV_SIMPLE_RELE(svp);
+
+	return (0);
+}
+
+/*
+ * Plugin node creation callbacks
+ */
+int
+sdev_plugin_mkdir(sdev_ctx_t ctx, char *name)
+{
+	sdev_node_t *sdvp;
+	timestruc_t now;
+	struct vattr vap;
+
+	if (sdev_plugin_name_isvalid(name, SDEV_PLUGIN_NAMELEN) == 0)
+		return (EINVAL);
+
+	sdvp = (sdev_node_t *)ctx;
+	ASSERT(sdvp->sdev_private != NULL);
+	ASSERT(RW_WRITE_HELD(&sdvp->sdev_contents));
+
+	vap = *sdev_getdefault_attr(VDIR);
+	gethrestime(&now);
+	vap.va_atime = now;
+	vap.va_mtime = now;
+	vap.va_ctime = now;
+
+	return (sdev_plugin_mknode(sdvp->sdev_private, sdvp, name, &vap));
+}
+
+int
+sdev_plugin_mknod(sdev_ctx_t ctx, char *name, mode_t mode, dev_t dev)
+{
+	sdev_node_t *sdvp;
+	timestruc_t now;
+	struct vattr vap;
+
+	if (sdev_plugin_name_isvalid(name, SDEV_PLUGIN_NAMELEN) == 0)
+		return (EINVAL);
+
+	sdvp = (sdev_node_t *)ctx;
+	ASSERT(RW_WRITE_HELD(&sdvp->sdev_contents));
+	if (mode != S_IFCHR && mode != S_IFBLK)
+		return (EINVAL);
+
+	ASSERT(sdvp->sdev_private != NULL);
+
+	vap = *sdev_getdefault_attr(mode == S_IFCHR ? VCHR : VBLK);
+	gethrestime(&now);
+	vap.va_atime = now;
+	vap.va_mtime = now;
+	vap.va_ctime = now;
+	vap.va_rdev = dev;
+	vap.va_mode = mode | 0666;
+
+	/* Despite the similar name, this is in fact a different function */
+	return (sdev_plugin_mknode(sdvp->sdev_private, sdvp, name, &vap));
+
+}
+
+static int
+sdev_plugin_validate(sdev_node_t *sdp)
+{
+	int ret;
+	sdev_plugin_t *spp;
+
+	ASSERT(sdp->sdev_private != NULL);
+	spp = sdp->sdev_private;
+	ASSERT(spp->sp_islegacy == B_FALSE);
+	ASSERT(spp->sp_pops != NULL);
+	rw_enter(&sdp->sdev_contents, RW_READER);
+	ret = spp->sp_pops->spo_validate((uintptr_t)sdp);
+	rw_exit(&sdp->sdev_contents);
+	return (ret);
+}
+
+static void
+sdev_plugin_validate_dir(sdev_node_t *sdvp)
+{
+	int ret;
+	sdev_node_t *svp, *next;
+
+	ASSERT(RW_WRITE_HELD(&sdvp->sdev_contents));
+
+	for (svp = SDEV_FIRST_ENTRY(sdvp); svp != NULL; svp = next) {
+
+		next = SDEV_NEXT_ENTRY(sdvp, svp);
+		ASSERT(svp->sdev_state != SDEV_ZOMBIE);
+		/* skip nodes that aren't ready */
+		if (svp->sdev_state == SDEV_INIT)
+			continue;
+
+		switch (sdev_plugin_validate(svp)) {
+		case SDEV_VTOR_VALID:
+		case SDEV_VTOR_SKIP:
+			continue;
+		case SDEV_VTOR_INVALID:
+		case SDEV_VTOR_STALE:
+			break;
+		}
+
+		SDEV_HOLD(svp);
+
+		/*
+		 * Clean out everything underneath this node before we
+		 * remove it.
+		 */
+		if (svp->sdev_vnode->v_type == VDIR) {
+			ret = sdev_cleandir(svp, NULL, 0);
+			ASSERT(ret == 0);
+		}
+		/* remove the cache node */
+		(void) sdev_cache_update(sdvp, &svp, svp->sdev_name,
+		    SDEV_CACHE_DELETE);
+		SDEV_RELE(svp);
+	}
+}
+
+/* ARGSUSED */
+static int
+sdev_plugin_vop_readdir(struct vnode *dvp, struct uio *uiop, struct cred *cred,
+    int *eofp, caller_context_t *ct_unused, int flags_unused)
+{
+	int ret;
+	sdev_node_t *sdvp = VTOSDEV(dvp);
+	sdev_plugin_t *spp;
+
+	ASSERT(RW_READ_HELD(&sdvp->sdev_contents));
+
+	/* Sanity check we're not a zombie before we do anyting else */
+	if (sdvp->sdev_state == SDEV_ZOMBIE)
+		return (ENOENT);
+
+	spp = sdvp->sdev_private;
+	ASSERT(spp != NULL);
+	ASSERT(spp->sp_islegacy == B_FALSE);
+	ASSERT(spp->sp_pops != NULL);
+
+	if (crgetzoneid(cred) == GLOBAL_ZONEID && !SDEV_IS_GLOBAL(sdvp))
+		return (EPERM);
+
+	if (uiop->uio_offset == 0) {
+		/*
+		 * We upgrade to a write lock and grab the plugin's lock along
+		 * the way. We're almost certainly going to get creation
+		 * callbacks, so this is the only safe way to go.
+		 */
+		if (rw_tryupgrade(&sdvp->sdev_contents) == 0) {
+			rw_exit(&sdvp->sdev_contents);
+			rw_enter(&sdvp->sdev_contents, RW_WRITER);
+			if (sdvp->sdev_state == SDEV_ZOMBIE) {
+				rw_downgrade(&sdvp->sdev_contents);
+				return (ENOENT);
+			}
+		}
+
+		sdev_plugin_validate_dir(sdvp);
+		ret = spp->sp_pops->spo_filldir((uintptr_t)sdvp);
+		rw_downgrade(&sdvp->sdev_contents);
+		if (ret != 0)
+			return (ret);
+	}
+
+	return (devname_readdir_func(dvp, uiop, cred, eofp, 0));
+}
+
+/*
+ * If we don't have a callback function that returns a failure, then sdev will
+ * try to create a node for us which violates all of our basic assertions. To
+ * work around that we create our own callback for devname_lookup_func which
+ * always returns ENOENT as at this point either it was created with the filldir
+ * callback or it was not.
+ */
+/*ARGSUSED*/
+static int
+sdev_plugin_vop_lookup_cb(sdev_node_t *ddv, char *nm, void **arg, cred_t *cred,
+    void *unused, char *unused2)
+{
+	return (ENOENT);
+}
+
+/* ARGSUSED */
+static int
+sdev_plugin_vop_lookup(struct vnode *dvp, char *nm, struct vnode **vpp,
+    struct pathname *pnp, int flags, struct vnode *rdir, struct cred *cred,
+    caller_context_t *ct, int *direntflags, pathname_t *realpnp)
+{
+	int ret;
+	sdev_node_t *sdvp;
+	sdev_plugin_t *spp;
+
+	/* execute access is required to search the directory */
+	if ((ret = VOP_ACCESS(dvp, VEXEC, 0, cred, ct)) != 0)
+		return (ret);
+
+	sdvp = VTOSDEV(dvp);
+	spp = sdvp->sdev_private;
+	ASSERT(spp != NULL);
+	ASSERT(spp->sp_islegacy == B_FALSE);
+	ASSERT(spp->sp_pops != NULL);
+
+	if (crgetzoneid(cred) == GLOBAL_ZONEID && !SDEV_IS_GLOBAL(sdvp))
+		return (EPERM);
+
+	/*
+	 * Go straight for the write lock.
+	 */
+	rw_enter(&sdvp->sdev_contents, RW_WRITER);
+	if (sdvp->sdev_state == SDEV_ZOMBIE) {
+		rw_exit(&sdvp->sdev_contents);
+		return (ENOENT);
+	}
+	sdev_plugin_validate_dir(sdvp);
+	ret = spp->sp_pops->spo_filldir((uintptr_t)sdvp);
+	rw_exit(&sdvp->sdev_contents);
+	if (ret != 0)
+		return (ret);
+
+	return (devname_lookup_func(sdvp, nm, vpp, cred,
+	    sdev_plugin_vop_lookup_cb, SDEV_VATTR));
+}
+
+/*
+ * sdev is not a good citizen. We get inactive callbacks whenever a vnode goes
+ * to zero, but isn't necessairily a zombie yet. As such, to make things easier
+ * for users, we only fire the inactive callback when the node becomes a zombie
+ * and thus will be torn down here.
+ */
+static void
+sdev_plugin_vop_inactive_cb(struct vnode *dvp)
+{
+	sdev_node_t *sdp = VTOSDEV(dvp);
+	sdev_plugin_t *spp = sdp->sdev_private;
+
+	rw_enter(&sdp->sdev_contents, RW_READER);
+	if (sdp->sdev_state != SDEV_ZOMBIE) {
+		rw_exit(&sdp->sdev_contents);
+		return;
+	}
+	spp->sp_pops->spo_inactive((uintptr_t)sdp);
+	mutex_enter(&spp->sp_lock);
+	VERIFY(spp->sp_nnodes > 0);
+	spp->sp_nnodes--;
+	cv_signal(&spp->sp_nodecv);
+	mutex_exit(&spp->sp_lock);
+	rw_exit(&sdp->sdev_contents);
+}
+
+/*ARGSUSED*/
+static void
+sdev_plugin_vop_inactive(struct vnode *dvp, struct cred *cred,
+    caller_context_t *ct)
+{
+	sdev_node_t *sdp = VTOSDEV(dvp);
+	sdev_plugin_t *spp = sdp->sdev_private;
+	ASSERT(sdp->sdev_private != NULL);
+	ASSERT(spp->sp_islegacy == B_FALSE);
+	devname_inactive_func(dvp, cred, sdev_plugin_vop_inactive_cb);
+}
+
+const fs_operation_def_t sdev_plugin_vnodeops_tbl[] = {
+	VOPNAME_READDIR,	{ .vop_readdir = sdev_plugin_vop_readdir },
+	VOPNAME_LOOKUP,		{ .vop_lookup = sdev_plugin_vop_lookup },
+	VOPNAME_INACTIVE,	{ .vop_inactive = sdev_plugin_vop_inactive },
+	VOPNAME_CREATE,		{ .error = fs_nosys },
+	VOPNAME_REMOVE,		{ .error = fs_nosys },
+	VOPNAME_MKDIR,		{ .error = fs_nosys },
+	VOPNAME_RMDIR,		{ .error = fs_nosys },
+	VOPNAME_SYMLINK,	{ .error = fs_nosys },
+	VOPNAME_SETSECATTR,	{ .error = fs_nosys },
+	NULL,			NULL
+};
+
+/*
+ * construct a new template with overrides from vtab
+ */
+static fs_operation_def_t *
+sdev_merge_vtab(const fs_operation_def_t tab[])
+{
+	fs_operation_def_t *new;
+	const fs_operation_def_t *tab_entry;
+
+	/* make a copy of standard vnode ops table */
+	new = kmem_alloc(sdev_vnodeops_tbl_size, KM_SLEEP);
+	bcopy((void *)sdev_vnodeops_tbl, new, sdev_vnodeops_tbl_size);
+
+	/* replace the overrides from tab */
+	for (tab_entry = tab; tab_entry->name != NULL; tab_entry++) {
+		fs_operation_def_t *std_entry = new;
+		while (std_entry->name) {
+			if (strcmp(tab_entry->name, std_entry->name) == 0) {
+				std_entry->func = tab_entry->func;
+				break;
+			}
+			std_entry++;
+		}
+	}
+
+	return (new);
+}
+
+/* free memory allocated by sdev_merge_vtab */
+static void
+sdev_free_vtab(fs_operation_def_t *new)
+{
+	kmem_free(new, sdev_vnodeops_tbl_size);
+}
+
+/*
+ * Register a new plugin.
+ */
+sdev_plugin_hdl_t
+sdev_plugin_register(const char *name, sdev_plugin_ops_t *ops, int *errp)
+{
+	int ret, err;
+	sdev_plugin_t *spp, *iter;
+	vnode_t *vp, *nvp;
+	sdev_node_t *sdp, *slp;
+	timestruc_t now;
+	struct vattr vap;
+
+	/*
+	 * Some consumers don't care about why they failed. To keep the code
+	 * simple, we'll just pretend they gave us something.
+	 */
+	if (errp == NULL)
+		errp = &err;
+
+	if (sdev_plugin_name_isvalid(name, SDEV_PLUGIN_NAMELEN) == 0) {
+		*errp = EINVAL;
+		return (NULL);
+	}
+
+	if (ops->spo_version != 1) {
+		*errp = EINVAL;
+		return (NULL);
+	}
+
+	if (ops->spo_validate == NULL || ops->spo_filldir == NULL ||
+	    ops->spo_inactive == NULL) {
+		*errp = EINVAL;
+		return (NULL);
+	}
+
+	if ((ops->spo_flags & ~SDEV_PLUGIN_FLAGS_MASK) != 0) {
+		*errp = EINVAL;
+		return (NULL);
+	}
+
+	spp = kmem_cache_alloc(sdev_plugin_cache, KM_SLEEP);
+	(void) strlcpy(spp->sp_name, name, SDEV_PLUGIN_NAMELEN);
+
+	spp->sp_pops = ops;
+	spp->sp_nflags = SDEV_DYNAMIC | SDEV_VTOR;
+	if (ops->spo_flags & SDEV_PLUGIN_NO_NCACHE)
+		spp->sp_nflags |= SDEV_NO_NCACHE;
+	if (ops->spo_flags & SDEV_PLUGIN_SUBDIR)
+		spp->sp_nflags |= SDEV_SUBDIR;
+	spp->sp_vnops = sdev_plugin_vnops;
+	spp->sp_islegacy = B_FALSE;
+	spp->sp_lvtor = NULL;
+	spp->sp_nnodes = 0;
+
+	/*
+	 * Make sure it's unique, nothing exists with this name already, and add
+	 * it to the list. We also need to go through and grab the sdev
+	 * root node as we cannot grab any sdev node locks once we've grabbed
+	 * the sdev_plugin_lock. We effectively assert that if a directory is
+	 * not present in the GZ's /dev, then it doesn't exist in any of the
+	 * local zones.
+	 */
+	ret = vn_openat("/dev", UIO_SYSSPACE, FREAD, 0, &vp, 0, 0, rootdir, -1);
+	if (ret != 0) {
+		*errp = ret;
+		kmem_cache_free(sdev_plugin_cache, spp);
+		return (NULL);
+	}
+	/* Make sure we have the real vnode */
+	if (VOP_REALVP(vp, &nvp, NULL) == 0) {
+		VN_HOLD(nvp);
+		VN_RELE(vp);
+		vp = nvp;
+		nvp = NULL;
+	}
+	VERIFY(vp->v_op == sdev_vnodeops);
+	sdp = VTOSDEV(vp);
+	rw_enter(&sdp->sdev_contents, RW_WRITER);
+	slp = sdev_cache_lookup(sdp, spp->sp_name);
+	if (slp != NULL) {
+		SDEV_RELE(slp);
+		rw_exit(&sdp->sdev_contents);
+		VN_RELE(vp);
+		*errp = EEXIST;
+		kmem_cache_free(sdev_plugin_cache, spp);
+		return (NULL);
+	}
+
+	mutex_enter(&sdev_plugin_lock);
+	for (iter = list_head(&sdev_plugin_list); iter != NULL;
+	    iter = list_next(&sdev_plugin_list, iter)) {
+		if (strcmp(spp->sp_name, iter->sp_name) == 0) {
+			mutex_exit(&sdev_plugin_lock);
+			rw_exit(&sdp->sdev_contents);
+			VN_RELE(vp);
+			*errp = EEXIST;
+			kmem_cache_free(sdev_plugin_cache, spp);
+			return (NULL);
+		}
+	}
+
+	list_insert_tail(&sdev_plugin_list, spp);
+	mutex_exit(&sdev_plugin_lock);
+
+	/*
+	 * Now go ahead and create the top level directory for the global zone.
+	 */
+	vap = *sdev_getdefault_attr(VDIR);
+	gethrestime(&now);
+	vap.va_atime = now;
+	vap.va_mtime = now;
+	vap.va_ctime = now;
+
+	(void) sdev_plugin_mknode(spp, sdp, spp->sp_name, &vap);
+
+	rw_exit(&sdp->sdev_contents);
+	VN_RELE(vp);
+
+	return ((sdev_plugin_hdl_t)spp);
+}
+
+static void
+sdev_plugin_unregister_cb(sdev_node_t *rdp, void *arg)
+{
+	sdev_plugin_t *spp = arg;
+	sdev_node_t *sdp;
+
+	rw_enter(&rdp->sdev_contents, RW_WRITER);
+	sdp = sdev_cache_lookup(rdp, spp->sp_name);
+	/* If it doesn't exist, we're done here */
+	if (sdp == NULL) {
+		rw_exit(&rdp->sdev_contents);
+		return;
+	}
+
+	/*
+	 * We first delete the directory before recursively marking everything
+	 * else stale. This ordering should ensure that we don't accidentally
+	 * miss anything.
+	 */
+	sdev_cache_update(rdp, &sdp, spp->sp_name, SDEV_CACHE_DELETE);
+	sdev_stale(sdp);
+	SDEV_RELE(sdp);
+	rw_exit(&rdp->sdev_contents);
+}
+
+/*
+ * Remove a plugin. This will block until everything has become a zombie, thus
+ * guaranteeing the caller that nothing will call into them again once this call
+ * returns. While the call is ongoing, it could be called into. Note that while
+ * this is ongoing, it will block other mounts.
+ */
+int
+sdev_plugin_unregister(sdev_plugin_hdl_t hdl)
+{
+	sdev_plugin_t *spp = (sdev_plugin_t *)hdl;
+	if (spp->sp_islegacy)
+		return (EINVAL);
+
+	mutex_enter(&sdev_plugin_lock);
+	list_remove(&sdev_plugin_list, spp);
+	mutex_exit(&sdev_plugin_lock);
+
+	sdev_mnt_walk(sdev_plugin_unregister_cb, spp);
+	mutex_enter(&spp->sp_lock);
+	while (spp->sp_nnodes > 0)
+		cv_wait(&spp->sp_nodecv, &spp->sp_lock);
+	mutex_exit(&spp->sp_lock);
+	kmem_cache_free(sdev_plugin_cache, spp);
+	return (0);
+}
+
+/*
+ * Register an old sdev style plugin to deal with what used to be in the vtab.
+ */
+static int
+sdev_plugin_register_legacy(struct sdev_vop_table *vtp)
+{
+	sdev_plugin_t *spp;
+
+	spp = kmem_cache_alloc(sdev_plugin_cache, KM_SLEEP);
+	(void) strlcpy(spp->sp_name, vtp->vt_name, SDEV_PLUGIN_NAMELEN);
+	spp->sp_islegacy = B_TRUE;
+	spp->sp_pops = NULL;
+	spp->sp_nflags = vtp->vt_flags;
+	spp->sp_lvtor = vtp->vt_vtor;
+	spp->sp_nnodes = 0;
+
+	if (vtp->vt_service != NULL) {
+		fs_operation_def_t *templ;
+		templ = sdev_merge_vtab(vtp->vt_service);
+		if (vn_make_ops(vtp->vt_name,
+		    (const fs_operation_def_t *)templ,
+		    &spp->sp_vnops) != 0) {
+			cmn_err(CE_WARN, "%s: malformed vnode ops\n",
+			    vtp->vt_name);
+			sdev_free_vtab(templ);
+			kmem_cache_free(sdev_plugin_cache, spp);
+			return (1);
+		}
+
+		if (vtp->vt_global_vops) {
+			*(vtp->vt_global_vops) = spp->sp_vnops;
+		}
+
+		sdev_free_vtab(templ);
+	} else {
+		spp->sp_vnops = sdev_vnodeops;
+	}
+
+	/*
+	 * No need to check for EEXIST here. These are loaded as a part of the
+	 * sdev's initialization function. Further, we don't have to create them
+	 * as that's taken care of in sdev's mount for the GZ.
+	 */
+	mutex_enter(&sdev_plugin_lock);
+	list_insert_tail(&sdev_plugin_list, spp);
+	mutex_exit(&sdev_plugin_lock);
+
+	return (0);
+}
+
+/*
+ * We need to match off of the sdev_path, not the sdev_name. We are only allowed
+ * to exist directly under /dev.
+ */
+static sdev_plugin_t *
+sdev_match(sdev_node_t *dv)
+{
+	int vlen;
+	const char *path;
+	sdev_plugin_t *spp;
+
+	if (strlen(dv->sdev_path) <= 5)
+		return (NULL);
+
+	if (strncmp(dv->sdev_path, "/dev/", 5) != 0)
+		return (NULL);
+	path = dv->sdev_path + 5;
+
+	mutex_enter(&sdev_plugin_lock);
+
+	for (spp = list_head(&sdev_plugin_list); spp != NULL;
+	    spp = list_next(&sdev_plugin_list, spp)) {
+		if (strcmp(spp->sp_name, path) == 0) {
+			mutex_exit(&sdev_plugin_lock);
+			return (spp);
+		}
+
+		if (spp->sp_nflags & SDEV_SUBDIR) {
+			vlen = strlen(spp->sp_name);
+			if ((strncmp(spp->sp_name, path,
+			    vlen - 1) == 0) && path[vlen] == '/') {
+				mutex_exit(&sdev_plugin_lock);
+				return (spp);
+			}
+
+		}
+	}
+
+	mutex_exit(&sdev_plugin_lock);
+	return (NULL);
+}
+
+void
+sdev_set_no_negcache(sdev_node_t *dv)
+{
+	char *path;
+	sdev_plugin_t *spp;
+
+	ASSERT(dv->sdev_path);
+	path = dv->sdev_path + strlen("/dev/");
+
+	mutex_enter(&sdev_plugin_lock);
+	for (spp = list_head(&sdev_plugin_list); spp != NULL;
+	    spp = list_next(&sdev_plugin_list, spp)) {
+		if (strcmp(spp->sp_name, path) == 0) {
+			if (spp->sp_nflags & SDEV_NO_NCACHE)
+				dv->sdev_flags |= SDEV_NO_NCACHE;
+			break;
+		}
+	}
+	mutex_exit(&sdev_plugin_lock);
+}
+
+struct vnodeops *
+sdev_get_vop(sdev_node_t *dv)
+{
+	char *path;
+	sdev_plugin_t *spp;
+
+	path = dv->sdev_path;
+	ASSERT(path);
+
+	/* gets the relative path to /dev/ */
+	path += 5;
+
+	if ((spp = sdev_match(dv)) != NULL) {
+		dv->sdev_flags |= spp->sp_nflags;
+		if (SDEV_IS_PERSIST(dv->sdev_dotdot) &&
+		    (SDEV_IS_PERSIST(dv) || !SDEV_IS_DYNAMIC(dv)))
+			dv->sdev_flags |= SDEV_PERSIST;
+		return (spp->sp_vnops);
+	}
+
+	/* child inherits the persistence of the parent */
+	if (SDEV_IS_PERSIST(dv->sdev_dotdot))
+		dv->sdev_flags |= SDEV_PERSIST;
+	return (sdev_vnodeops);
+}
+
+void *
+sdev_get_vtor(sdev_node_t *dv)
+{
+	sdev_plugin_t *spp;
+
+	if (dv->sdev_private == NULL) {
+		spp = sdev_match(dv);
+		if (spp == NULL)
+			return (NULL);
+	} else {
+		spp = dv->sdev_private;
+	}
+
+	if (spp->sp_islegacy)
+		return ((void *)spp->sp_lvtor);
+	else
+		return ((void *)sdev_plugin_validate);
+}
+
+void
+sdev_plugin_nodeready(sdev_node_t *sdp)
+{
+	sdev_plugin_t *spp;
+
+	ASSERT(RW_WRITE_HELD(&sdp->sdev_contents));
+	ASSERT(sdp->sdev_private == NULL);
+
+	spp = sdev_match(sdp);
+	if (spp == NULL)
+		return;
+	if (spp->sp_islegacy)
+		return;
+	sdp->sdev_private = spp;
+	mutex_enter(&spp->sp_lock);
+	spp->sp_nnodes++;
+	mutex_exit(&spp->sp_lock);
+}
+
+int
+sdev_plugin_init(void)
+{
+	sdev_vop_table_t *vtp;
+	fs_operation_def_t *templ;
+
+	sdev_plugin_cache = kmem_cache_create("sdev_plugin",
+	    sizeof (sdev_plugin_t), 0, sdev_plugin_cache_constructor,
+	    sdev_plugin_cache_destructor, NULL, NULL, NULL, 0);
+	if (sdev_plugin_cache == NULL)
+		return (1);
+	mutex_init(&sdev_plugin_lock, NULL, MUTEX_DRIVER, NULL);
+	list_create(&sdev_plugin_list, sizeof (sdev_plugin_t),
+	    offsetof(sdev_plugin_t, sp_link));
+
+	/*
+	 * Register all of the legacy vnops
+	 */
+	for (vtp = &vtab[0]; vtp->vt_name != NULL; vtp++)
+		if (sdev_plugin_register_legacy(vtp) != 0)
+			return (1);
+
+	templ = sdev_merge_vtab(sdev_plugin_vnodeops_tbl);
+	if (vn_make_ops("sdev_plugin",
+	    (const fs_operation_def_t *)templ,
+	    &sdev_plugin_vnops) != 0) {
+		sdev_free_vtab(templ);
+		return (1);
+	}
+
+	sdev_free_vtab(templ);
+	return (0);
+}
diff --git a/usr/src/uts/common/fs/dev/sdev_subr.c b/usr/src/uts/common/fs/dev/sdev_subr.c
index b4b27e6285..16439a66a6 100644
--- a/usr/src/uts/common/fs/dev/sdev_subr.c
+++ b/usr/src/uts/common/fs/dev/sdev_subr.c
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -150,12 +150,6 @@ vattr_t sdev_vattr_chr = {
 kmem_cache_t	*sdev_node_cache;	/* sdev_node cache */
 int		devtype;		/* fstype */
 
-/* static */
-static struct vnodeops *sdev_get_vop(struct sdev_node *);
-static void sdev_set_no_negcache(struct sdev_node *);
-static fs_operation_def_t *sdev_merge_vtab(const fs_operation_def_t []);
-static void sdev_free_vtab(fs_operation_def_t *);
-
 static void
 sdev_prof_free(struct sdev_node *dv)
 {
@@ -318,6 +312,7 @@ sdev_nodeinit(struct sdev_node *ddv, char *nm, struct sdev_node **newdv,
 	(void) snprintf(dv->sdev_path, len, "%s/%s", ddv->sdev_path, nm);
 	/* overwritten for VLNK nodes */
 	dv->sdev_symlink = NULL;
+	list_link_init(&dv->sdev_plist);
 
 	vp = SDEVTOV(dv);
 	vn_reinit(vp);
@@ -406,6 +401,7 @@ sdev_nodeready(struct sdev_node *dv, struct vattr *vap, struct vnode *avp,
 	} else {
 		dv->sdev_nlink = 1;
 	}
+	sdev_plugin_nodeready(dv);
 
 	if (!(SDEV_IS_GLOBAL(dv))) {
 		dv->sdev_origin = (struct sdev_node *)args;
@@ -502,37 +498,22 @@ sdev_mkroot(struct vfs *vfsp, dev_t devdev, struct vnode *mvp,
 	return (dv);
 }
 
-/* directory dependent vop table */
-struct sdev_vop_table {
-	char *vt_name;				/* subdirectory name */
-	const fs_operation_def_t *vt_service;	/* vnodeops table */
-	struct vnodeops *vt_vops;		/* constructed vop */
-	struct vnodeops **vt_global_vops;	/* global container for vop */
-	int (*vt_vtor)(struct sdev_node *);	/* validate sdev_node */
-	int vt_flags;
-};
-
-/*
- * A nice improvement would be to provide a plug-in mechanism
- * for this table instead of a const table.
- */
-static struct sdev_vop_table vtab[] =
-{
-	{ "pts", devpts_vnodeops_tbl, NULL, &devpts_vnodeops, devpts_validate,
+struct sdev_vop_table vtab[] = {
+	{ "pts", devpts_vnodeops_tbl, &devpts_vnodeops, devpts_validate,
 	SDEV_DYNAMIC | SDEV_VTOR },
 
-	{ "vt", devvt_vnodeops_tbl, NULL, &devvt_vnodeops, devvt_validate,
+	{ "vt", devvt_vnodeops_tbl, &devvt_vnodeops, devvt_validate,
 	SDEV_DYNAMIC | SDEV_VTOR },
 
-	{ "zvol", devzvol_vnodeops_tbl, NULL, &devzvol_vnodeops,
+	{ "zvol", devzvol_vnodeops_tbl, &devzvol_vnodeops,
 	devzvol_validate, SDEV_ZONED | SDEV_DYNAMIC | SDEV_VTOR | SDEV_SUBDIR },
 
-	{ "zcons", NULL, NULL, NULL, NULL, SDEV_NO_NCACHE },
+	{ "zcons", NULL, NULL, NULL, SDEV_NO_NCACHE },
 
-	{ "net", devnet_vnodeops_tbl, NULL, &devnet_vnodeops, devnet_validate,
-	SDEV_DYNAMIC | SDEV_VTOR },
+	{ "net", devnet_vnodeops_tbl, &devnet_vnodeops, devnet_validate,
+	SDEV_DYNAMIC | SDEV_VTOR | SDEV_SUBDIR },
 
-	{ "ipnet", devipnet_vnodeops_tbl, NULL, &devipnet_vnodeops,
+	{ "ipnet", devipnet_vnodeops_tbl, &devipnet_vnodeops,
 	devipnet_validate, SDEV_DYNAMIC | SDEV_VTOR | SDEV_NO_NCACHE },
 
 	/*
@@ -547,132 +528,14 @@ static struct sdev_vop_table vtab[] =
 	 * preventing a mkdir.
 	 */
 
-	{ "lofi", NULL, NULL, NULL, NULL,
+	{ "lofi", NULL, NULL, NULL,
 	    SDEV_ZONED | SDEV_DYNAMIC | SDEV_PERSIST },
-	{ "rlofi", NULL, NULL, NULL, NULL,
+	{ "rlofi", NULL, NULL, NULL,
 	    SDEV_ZONED | SDEV_DYNAMIC | SDEV_PERSIST },
 
-	{ NULL, NULL, NULL, NULL, NULL, 0}
+	{ NULL, NULL, NULL, NULL, 0}
 };
 
-/*
- * We need to match off of the sdev_path, not the sdev_name. We are only allowed
- * to exist directly under /dev.
- */
-struct sdev_vop_table *
-sdev_match(struct sdev_node *dv)
-{
-	int vlen;
-	int i;
-	const char *path;
-
-	if (strlen(dv->sdev_path) <= 5)
-		return (NULL);
-
-	if (strncmp(dv->sdev_path, "/dev/", 5) != 0)
-		return (NULL);
-	path = dv->sdev_path + 5;
-
-	for (i = 0; vtab[i].vt_name; i++) {
-		if (strcmp(vtab[i].vt_name, path) == 0)
-			return (&vtab[i]);
-		if (vtab[i].vt_flags & SDEV_SUBDIR) {
-			vlen = strlen(vtab[i].vt_name);
-			if ((strncmp(vtab[i].vt_name, path,
-			    vlen - 1) == 0) && path[vlen] == '/')
-				return (&vtab[i]);
-		}
-
-	}
-	return (NULL);
-}
-
-/*
- *  sets a directory's vnodeops if the directory is in the vtab;
- */
-static struct vnodeops *
-sdev_get_vop(struct sdev_node *dv)
-{
-	struct sdev_vop_table *vtp;
-	char *path;
-
-	path = dv->sdev_path;
-	ASSERT(path);
-
-	/* gets the relative path to /dev/ */
-	path += 5;
-
-	/* gets the vtab entry it matches */
-	if ((vtp = sdev_match(dv)) != NULL) {
-		dv->sdev_flags |= vtp->vt_flags;
-		if (SDEV_IS_PERSIST(dv->sdev_dotdot) &&
-		    (SDEV_IS_PERSIST(dv) || !SDEV_IS_DYNAMIC(dv)))
-			dv->sdev_flags |= SDEV_PERSIST;
-
-		if (vtp->vt_vops) {
-			if (vtp->vt_global_vops)
-				*(vtp->vt_global_vops) = vtp->vt_vops;
-
-			return (vtp->vt_vops);
-		}
-
-		if (vtp->vt_service) {
-			fs_operation_def_t *templ;
-			templ = sdev_merge_vtab(vtp->vt_service);
-			if (vn_make_ops(vtp->vt_name,
-			    (const fs_operation_def_t *)templ,
-			    &vtp->vt_vops) != 0) {
-				cmn_err(CE_PANIC, "%s: malformed vnode ops\n",
-				    vtp->vt_name);
-				/*NOTREACHED*/
-			}
-			if (vtp->vt_global_vops) {
-				*(vtp->vt_global_vops) = vtp->vt_vops;
-			}
-			sdev_free_vtab(templ);
-
-			return (vtp->vt_vops);
-		}
-
-		return (sdev_vnodeops);
-	}
-
-	/* child inherits the persistence of the parent */
-	if (SDEV_IS_PERSIST(dv->sdev_dotdot))
-		dv->sdev_flags |= SDEV_PERSIST;
-
-	return (sdev_vnodeops);
-}
-
-static void
-sdev_set_no_negcache(struct sdev_node *dv)
-{
-	int i;
-	char *path;
-
-	ASSERT(dv->sdev_path);
-	path = dv->sdev_path + strlen("/dev/");
-
-	for (i = 0; vtab[i].vt_name; i++) {
-		if (strcmp(vtab[i].vt_name, path) == 0) {
-			if (vtab[i].vt_flags & SDEV_NO_NCACHE)
-				dv->sdev_flags |= SDEV_NO_NCACHE;
-			break;
-		}
-	}
-}
-
-void *
-sdev_get_vtor(struct sdev_node *dv)
-{
-	struct sdev_vop_table *vtp;
-
-	vtp = sdev_match(dv);
-	if (vtp)
-		return ((void *)vtp->vt_vtor);
-	else
-		return (NULL);
-}
 
 /*
  * Build the base root inode
@@ -952,8 +815,11 @@ sdev_nodedestroy(struct sdev_node *dv, uint_t flags)
 		dv->sdev_path = NULL;
 	}
 
-	if (!SDEV_IS_GLOBAL(dv))
+	if (!SDEV_IS_GLOBAL(dv)) {
 		sdev_prof_free(dv);
+		if (dv->sdev_vnode->v_type != VLNK && dv->sdev_origin != NULL)
+			SDEV_RELE(dv->sdev_origin);
+	}
 
 	if (SDEVTOV(dv)->v_type == VDIR) {
 		ASSERT(SDEV_FIRST_ENTRY(dv) == NULL);
@@ -967,6 +833,7 @@ sdev_nodedestroy(struct sdev_node *dv, uint_t flags)
 	(void) memset((void *)&dv->sdev_instance_data, 0,
 	    sizeof (dv->sdev_instance_data));
 	vn_invalid(SDEVTOV(dv));
+	dv->sdev_private = NULL;
 	kmem_cache_free(sdev_node_cache, dv);
 }
 
@@ -2948,46 +2815,6 @@ sdev_modctl_devexists(const char *path)
 	return (error);
 }
 
-extern int sdev_vnodeops_tbl_size;
-
-/*
- * construct a new template with overrides from vtab
- */
-static fs_operation_def_t *
-sdev_merge_vtab(const fs_operation_def_t tab[])
-{
-	fs_operation_def_t *new;
-	const fs_operation_def_t *tab_entry;
-
-	/* make a copy of standard vnode ops table */
-	new = kmem_alloc(sdev_vnodeops_tbl_size, KM_SLEEP);
-	bcopy((void *)sdev_vnodeops_tbl, new, sdev_vnodeops_tbl_size);
-
-	/* replace the overrides from tab */
-	for (tab_entry = tab; tab_entry->name != NULL; tab_entry++) {
-		fs_operation_def_t *std_entry = new;
-		while (std_entry->name) {
-			if (strcmp(tab_entry->name, std_entry->name) == 0) {
-				std_entry->func = tab_entry->func;
-				break;
-			}
-			std_entry++;
-		}
-		if (std_entry->name == NULL)
-			cmn_err(CE_NOTE, "sdev_merge_vtab: entry %s unused.",
-			    tab_entry->name);
-	}
-
-	return (new);
-}
-
-/* free memory allocated by sdev_merge_vtab */
-static void
-sdev_free_vtab(fs_operation_def_t *new)
-{
-	kmem_free(new, sdev_vnodeops_tbl_size);
-}
-
 /*
  * a generic setattr() function
  *
diff --git a/usr/src/uts/common/fs/dev/sdev_vfsops.c b/usr/src/uts/common/fs/dev/sdev_vfsops.c
index ea9cb6374a..6f32f47635 100644
--- a/usr/src/uts/common/fs/dev/sdev_vfsops.c
+++ b/usr/src/uts/common/fs/dev/sdev_vfsops.c
@@ -169,7 +169,13 @@ devinit(int fstype, char *name)
 
 	if ((devmajor = getudev()) == (major_t)-1) {
 		cmn_err(CE_WARN, "%s: can't get unique dev", sdev_vfssw.name);
-		return (1);
+		return (ENXIO);
+	}
+
+	if (sdev_plugin_init() != 0) {
+		cmn_err(CE_WARN, "%s: failed to set init plugin subsystem",
+		    sdev_vfssw.name);
+		return (EIO);
 	}
 
 	/* initialize negative cache */
@@ -332,6 +338,7 @@ sdev_mount(struct vfs *vfsp, struct vnode *mvp, struct mounta *uap,
 		ASSERT(sdev_origins);
 		dv->sdev_flags &= ~SDEV_GLOBAL;
 		dv->sdev_origin = sdev_origins->sdev_root;
+		SDEV_HOLD(dv->sdev_origin);
 	} else {
 		sdev_ncache_setup();
 		rw_enter(&dv->sdev_contents, RW_WRITER);
@@ -504,3 +511,17 @@ sdev_mntinfo_rele(struct sdev_data *mntinfo)
 	SDEVTOV(mntinfo->sdev_root)->v_count--;
 	mutex_exit(&sdev_lock);
 }
+
+void
+sdev_mnt_walk(void (*func)(struct sdev_node *, void *), void *arg)
+{
+	struct sdev_data *mntinfo;
+
+	mutex_enter(&sdev_lock);
+	mntinfo = sdev_mntinfo;
+	while (mntinfo != NULL) {
+		func(mntinfo->sdev_root, arg);
+		mntinfo = mntinfo->sdev_next;
+	}
+	mutex_exit(&sdev_lock);
+}
diff --git a/usr/src/uts/common/fs/dev/sdev_zvolops.c b/usr/src/uts/common/fs/dev/sdev_zvolops.c
index e4c3acf787..495cf450de 100644
--- a/usr/src/uts/common/fs/dev/sdev_zvolops.c
+++ b/usr/src/uts/common/fs/dev/sdev_zvolops.c
@@ -21,7 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
- * Copyright 2013 Joyent, Inc.  All rights reserved.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
  */
 
 /* vnode ops for the /dev/zvol directory */
@@ -370,8 +370,10 @@ devzvol_create_pool_dirs(struct vnode *dvp)
 		ASSERT(dvp->v_count > 0);
 		rc = VOP_LOOKUP(dvp, nvpair_name(elem), &vp, NULL, 0,
 		    NULL, kcred, NULL, 0, NULL);
-		/* should either work, or not be visible from a zone */
-		ASSERT(rc == 0 || rc == ENOENT);
+		/*
+		 * should either work or we should get an error if this should
+		 * not be visible from the zone, or disallowed in the zone
+		 */
 		if (rc == 0)
 			VN_RELE(vp);
 		pools++;
diff --git a/usr/src/uts/common/fs/dnlc.c b/usr/src/uts/common/fs/dnlc.c
index 25327d2852..c949117da6 100644
--- a/usr/src/uts/common/fs/dnlc.c
+++ b/usr/src/uts/common/fs/dnlc.c
@@ -921,50 +921,6 @@ dnlc_fs_purge1(vnodeops_t *vop)
 }
 
 /*
- * Perform a reverse lookup in the DNLC.  This will find the first occurrence of
- * the vnode.  If successful, it will return the vnode of the parent, and the
- * name of the entry in the given buffer.  If it cannot be found, or the buffer
- * is too small, then it will return NULL.  Note that this is a highly
- * inefficient function, since the DNLC is constructed solely for forward
- * lookups.
- */
-vnode_t *
-dnlc_reverse_lookup(vnode_t *vp, char *buf, size_t buflen)
-{
-	nc_hash_t *nch;
-	ncache_t *ncp;
-	vnode_t *pvp;
-
-	if (!doingcache)
-		return (NULL);
-
-	for (nch = nc_hash; nch < &nc_hash[nc_hashsz]; nch++) {
-		mutex_enter(&nch->hash_lock);
-		ncp = nch->hash_next;
-		while (ncp != (ncache_t *)nch) {
-			/*
-			 * We ignore '..' entries since it can create
-			 * confusion and infinite loops.
-			 */
-			if (ncp->vp == vp && !(ncp->namlen == 2 &&
-			    0 == bcmp(ncp->name, "..", 2)) &&
-			    ncp->namlen < buflen) {
-				bcopy(ncp->name, buf, ncp->namlen);
-				buf[ncp->namlen] = '\0';
-				pvp = ncp->dp;
-				/* VN_HOLD 2 of 2 in this file */
-				VN_HOLD_CALLER(pvp);
-				mutex_exit(&nch->hash_lock);
-				return (pvp);
-			}
-			ncp = ncp->hash_next;
-		}
-		mutex_exit(&nch->hash_lock);
-	}
-
-	return (NULL);
-}
-/*
  * Utility routine to search for a cache entry. Return the
  * ncache entry if found, NULL otherwise.
  */
diff --git a/usr/src/uts/common/fs/fem.c b/usr/src/uts/common/fs/fem.c
index b4e28cc860..5f524def30 100644
--- a/usr/src/uts/common/fs/fem.c
+++ b/usr/src/uts/common/fs/fem.c
@@ -23,6 +23,10 @@
  * Use is subject to license terms.
  */
 
+/*
+ * Copyright (c) 2015, Joyent, Inc.  All rights reserved.
+ */
+
 #include <sys/types.h>
 #include <sys/atomic.h>
 #include <sys/kmem.h>
@@ -33,11 +37,12 @@
 #include <sys/systm.h>
 #include <sys/cmn_err.h>
 #include <sys/debug.h>
-
 #include <sys/fem.h>
 #include <sys/vfs.h>
 #include <sys/vnode.h>
 #include <sys/vfs_opreg.h>
+#include <sys/stack.h>
+#include <sys/archsystm.h>
 
 #define	NNODES_DEFAULT	8	/* Default number of nodes in a fem_list */
 /*
@@ -291,6 +296,536 @@ _op_find(femarg_t *ap, void **fp, int offs0, int offs1)
 }
 #endif
 
+/*
+ * File event monitoring handoffs
+ *
+ * File event monitoring relies on being able to inject stack frames between
+ * vnode consumers and the underlying file systems.  This becomes problematic
+ * when there exist many monitors, as kernel stack depth is finite.  The model
+ * very much encodes this injected frame:  the flow of control deliberately
+ * lies with the monitor, not with the monitoring system.  While we could
+ * conceivably address this by allowing each subsystem to install at most
+ * one monitor per vnode (and impose on subsystems that they handle any
+ * of their own consumer multiplexing internally), this in fact exports a
+ * substantial amount of run-time complexity to deal with an uncommon case
+ * (and, it must be said, assumes a small number of consuming subsystems).
+ * To allow our abstraction to remain clean, we instead check our remaining
+ * stack in every vnext_*() call; if the amount of stack remaining is lower
+ * than a threshold (fem_stack_needed), we call thread_splitstack() to carry
+ * on the execution of the monitors and the underlying vnode operation on a
+ * split stack.  Because we can only pass a single argument to our split stack
+ * function, we must marshal our arguments, the mechanics of which are somewhat
+ * ornate in terms of the code: to marshal in a type-safe manner, we define a
+ * baton that is a union of payload structures for each kind of operation,
+ * loading the per-operation payload explicitly and calling into common handoff
+ * code that itself calls thread_splitstack().  The function passed to
+ * thread_splitstack() is a per-entry point function that continues monitor
+ * processing given the specified (marshalled) arguments.  While this method
+ * is a little verbose to implement, it has the advantage of being relatively
+ * robust (that is, broadly type-safe) while imposing minimal burden on each
+ * vnext_*() entry point.
+ *
+ * In terms of the implementation:
+ *
+ * - The FEM_BATON_n macros define the per-entry point baton structures
+ * - The fem_baton_payload_t contains the union of these structures
+ * - The FEM_VNEXTn_DECL macros declare the post-handoff entry point
+ * - The FEM_VNEXTn macros constitute the per-handoff entry point
+ *
+ * Note that we don't use variadic macros -- we define a variant of these
+ * macros for each of our relevant argument counts.  This may seem overly
+ * explicit, but it is deliberate:  the object here is to minimize the
+ * future maintenance burden by minimizing the likelihood of introduced
+ * error --  not to minimize the number of characters in this source file.
+ */
+
+#ifndef STACK_GROWTH_DOWN
+#error Downward stack growth assumed.
+#endif
+
+int fem_stack_toodeep;
+uintptr_t fem_stack_needed = 8 * 1024;
+size_t fem_handoff_stacksize = 128 * 1024;
+
+#define	FEM_TOODEEP() (STACK_BIAS + (uintptr_t)getfp() - \
+	(uintptr_t)curthread->t_stkbase < fem_stack_needed)
+
+#define	FEM_BATON_1(what, t0, l0)					\
+	struct {							\
+		void *fb_##what##_arg0;					\
+		caller_context_t *fb_##what##_ct;			\
+		t0 fb_##what##_##l0;					\
+	} fb_##what
+
+#define	FEM_BATON_2(what, t0, l0, t1, l1)				\
+	struct {							\
+		void *fb_##what##_arg0;					\
+		caller_context_t *fb_##what##_ct;			\
+		t0 fb_##what##_##l0;					\
+		t1 fb_##what##_##l1;					\
+	} fb_##what
+
+#define	FEM_BATON_3(what, t0, l0, t1, l1, t2, l2)			\
+	struct {							\
+		void *fb_##what##_arg0;					\
+		caller_context_t *fb_##what##_ct;			\
+		t0 fb_##what##_##l0;					\
+		t1 fb_##what##_##l1;					\
+		t2 fb_##what##_##l2;					\
+	} fb_##what
+
+#define	FEM_BATON_4(what, t0, l0, t1, l1, t2, l2, t3, l3)		\
+	struct {							\
+		void *fb_##what##_arg0;					\
+		caller_context_t *fb_##what##_ct;			\
+		t0 fb_##what##_##l0;					\
+		t1 fb_##what##_##l1;					\
+		t2 fb_##what##_##l2;					\
+		t3 fb_##what##_##l3;					\
+	} fb_##what
+
+#define	FEM_BATON_5(what, t0, l0, t1, l1, t2, l2, t3, l3, t4, l4)	\
+	struct {							\
+		void *fb_##what##_arg0;					\
+		caller_context_t *fb_##what##_ct;			\
+		t0 fb_##what##_##l0;					\
+		t1 fb_##what##_##l1;					\
+		t2 fb_##what##_##l2;					\
+		t3 fb_##what##_##l3;					\
+		t4 fb_##what##_##l4;					\
+	} fb_##what
+
+#define	FEM_BATON_6(what, t0, l0, t1, l1, t2, l2, t3, l3, t4, l4, t5, l5) \
+	struct {							\
+		void *fb_##what##_arg0;					\
+		caller_context_t *fb_##what##_ct;			\
+		t0 fb_##what##_##l0;					\
+		t1 fb_##what##_##l1;					\
+		t2 fb_##what##_##l2;					\
+		t3 fb_##what##_##l3;					\
+		t4 fb_##what##_##l4;					\
+		t5 fb_##what##_##l5;					\
+	} fb_##what
+
+#define	FEM_BATON_8(what, t0, l0, t1, l1, t2, l2, t3, l3, t4, l4, t5, l5, \
+    t6, l6, t7, l7) \
+	struct {							\
+		void *fb_##what##_arg0;					\
+		caller_context_t *fb_##what##_ct;			\
+		t0 fb_##what##_##l0;					\
+		t1 fb_##what##_##l1;					\
+		t2 fb_##what##_##l2;					\
+		t3 fb_##what##_##l3;					\
+		t4 fb_##what##_##l4;					\
+		t5 fb_##what##_##l5;					\
+		t6 fb_##what##_##l6;					\
+		t7 fb_##what##_##l7;					\
+	} fb_##what
+
+#define	FEM_BATON_9(what, t0, l0, t1, l1, t2, l2, t3, l3, t4, l4, t5, l5, \
+    t6, l6, t7, l7, t8, l8) \
+	struct {							\
+		void *fb_##what##_arg0;					\
+		caller_context_t *fb_##what##_ct;			\
+		t0 fb_##what##_##l0;					\
+		t1 fb_##what##_##l1;					\
+		t2 fb_##what##_##l2;					\
+		t3 fb_##what##_##l3;					\
+		t4 fb_##what##_##l4;					\
+		t5 fb_##what##_##l5;					\
+		t6 fb_##what##_##l6;					\
+		t7 fb_##what##_##l7;					\
+		t8 fb_##what##_##l8;					\
+	} fb_##what
+
+typedef union {
+	FEM_BATON_2(open, int, mode, cred_t *, cr);
+	FEM_BATON_4(close, int, flag, int, count,
+	    offset_t, offset, cred_t *, cr);
+	FEM_BATON_3(read, uio_t *, uiop, int, ioflag, cred_t *, cr);
+	FEM_BATON_3(write, uio_t *, uiop, int, ioflag, cred_t *, cr);
+	FEM_BATON_5(ioctl, int, cmd, intptr_t, arg,
+	    int, flag, cred_t *, cr, int *, rvalp);
+	FEM_BATON_3(setfl, int, oflags, int, nflags, cred_t *, cr);
+	FEM_BATON_3(getattr, vattr_t *, vap, int, flags, cred_t *, cr);
+	FEM_BATON_3(setattr, vattr_t *, vap, int, flags, cred_t *, cr);
+	FEM_BATON_3(access, int, mode, int, flags, cred_t *, cr);
+	FEM_BATON_8(lookup, char *, nm, vnode_t **, vpp,
+	    pathname_t *, pnp, int, flags, vnode_t *, rdir,
+	    cred_t *, cr, int *, direntflags, pathname_t *, realpnp);
+	FEM_BATON_8(create, char *, name, vattr_t *, vap,
+	    vcexcl_t, excl, int, mode, vnode_t **, vpp,
+	    cred_t *, cr, int, flag, vsecattr_t *, vsecp);
+	FEM_BATON_3(remove, char *, nm, cred_t *, cr, int, flags);
+	FEM_BATON_4(link, vnode_t *, svp, char *, tnm,
+	    cred_t *, cr, int, flags);
+	FEM_BATON_5(rename, char *, snm, vnode_t *, tdvp,
+	    char *, tnm, cred_t *, cr, int, flags);
+	FEM_BATON_6(mkdir, char *, dirname, vattr_t *, vap,
+	    vnode_t **, vpp, cred_t *, cr, int, flags,
+	    vsecattr_t *, vsecp);
+	FEM_BATON_4(rmdir, char *, nm, vnode_t *, cdir,
+	    cred_t *, cr, int, flags);
+	FEM_BATON_4(readdir, uio_t *, uiop, cred_t *, cr,
+	    int *, eofp, int, flags);
+	FEM_BATON_5(symlink, char *, linkname, vattr_t *, vap,
+	    char *, target, cred_t *, cr, int, flags);
+	FEM_BATON_2(readlink, uio_t *, uiop, cred_t *, cr);
+	FEM_BATON_2(fsync, int, syncflag, cred_t *, cr);
+	FEM_BATON_1(inactive, cred_t *, cr);
+	FEM_BATON_1(fid, fid_t *, fidp);
+	FEM_BATON_1(rwlock, int, write_lock);
+	FEM_BATON_1(rwunlock, int, write_lock);
+	FEM_BATON_2(seek, offset_t, ooff, offset_t *, noffp);
+	FEM_BATON_1(cmp, vnode_t *, vp2);
+	FEM_BATON_6(frlock, int, cmd, struct flock64 *, bfp,
+	    int, flag, offset_t, offset, struct flk_callback *, flk_cbp,
+	    cred_t *, cr);
+	FEM_BATON_5(space, int, cmd, struct flock64 *, bfp,
+	    int, flag, offset_t, offset, cred_t *, cr);
+	FEM_BATON_1(realvp, vnode_t **, vpp);
+	FEM_BATON_9(getpage, offset_t, off, size_t, len,
+	    uint_t *, protp, struct page **, plarr, size_t, plsz,
+	    struct seg *, seg, caddr_t, addr, enum seg_rw, rw,
+	    cred_t *, cr);
+	FEM_BATON_4(putpage, offset_t, off, size_t, len,
+	    int, flags, cred_t *, cr);
+	FEM_BATON_8(map, offset_t, off, struct as *, as,
+	    caddr_t *, addrp, size_t, len, uchar_t, prot,
+	    uchar_t, maxprot, uint_t, flags, cred_t *, cr);
+	FEM_BATON_8(addmap, offset_t, off, struct as *, as,
+	    caddr_t, addr, size_t, len, uchar_t, prot,
+	    uchar_t, maxprot, uint_t, flags, cred_t *, cr);
+	FEM_BATON_8(delmap, offset_t, off, struct as *, as,
+	    caddr_t, addr, size_t, len, uint_t, prot,
+	    uint_t, maxprot, uint_t, flags, cred_t *, cr);
+	FEM_BATON_4(poll, short, events, int, anyyet,
+	    short *, reventsp, struct pollhead **, phpp);
+	FEM_BATON_3(dump, caddr_t, addr, offset_t, lbdn, offset_t, dblks);
+	FEM_BATON_3(pathconf, int, cmd, ulong_t *, valp, cred_t *, cr);
+	FEM_BATON_5(pageio, struct page *, pp, u_offset_t, io_off,
+	    size_t, io_len, int, flags, cred_t *, cr);
+	FEM_BATON_2(dumpctl, int, action, offset_t *, blkp);
+	FEM_BATON_4(dispose, struct page *, pp, int, flag,
+	    int, dn, cred_t *, cr);
+	FEM_BATON_3(setsecattr, vsecattr_t *, vsap, int, flag, cred_t *, cr);
+	FEM_BATON_3(getsecattr, vsecattr_t *, vsap, int, flag, cred_t *, cr);
+	FEM_BATON_4(shrlock, int, cmd, struct shrlock *, shr,
+	    int, flag, cred_t *, cr);
+	FEM_BATON_3(vnevent, vnevent_t, vnevent, vnode_t *, dvp, char *, cname);
+	FEM_BATON_3(reqzcbuf, enum uio_rw, ioflag,
+	    xuio_t *, xuiop, cred_t *, cr);
+	FEM_BATON_2(retzcbuf, xuio_t *, xuiop, cred_t *, cr);
+} fem_baton_payload_t;
+
+typedef struct {
+	fem_baton_payload_t fb_payload;
+	int (*fb_func)();
+	void (*fb_handoff)();
+	int fb_rval;
+} fem_baton_t;
+
+static int
+fem_handoff(fem_baton_t *bp)
+{
+	fem_stack_toodeep++;
+	thread_splitstack(bp->fb_handoff, bp, fem_handoff_stacksize);
+
+	return (bp->fb_rval);
+}
+
+#define	FEM_VNEXT3_DECL(what, a0, a1, a2)				\
+void									\
+fem_handoff_##what(fem_baton_t *bp)					\
+{									\
+	bp->fb_rval = bp->fb_func(					\
+	    bp->fb_payload.fb_##what.fb_##what##_##a0,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a1,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a2);			\
+}
+
+#define	FEM_VNEXT4_DECL(what, a0, a1, a2, a3)				\
+void									\
+fem_handoff_##what(fem_baton_t *bp)					\
+{									\
+	bp->fb_rval = bp->fb_func(					\
+	    bp->fb_payload.fb_##what.fb_##what##_##a0,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a1,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a2,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a3);			\
+}
+
+#define	FEM_VNEXT5_DECL(what, a0, a1, a2, a3, a4)			\
+void									\
+fem_handoff_##what(fem_baton_t *bp)					\
+{									\
+	bp->fb_rval = bp->fb_func(					\
+	    bp->fb_payload.fb_##what.fb_##what##_##a0,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a1,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a2,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a3,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a4);			\
+}
+
+#define	FEM_VNEXT6_DECL(what, a0, a1, a2, a3, a4, a5)			\
+void									\
+fem_handoff_##what(fem_baton_t *bp)					\
+{									\
+	bp->fb_rval = bp->fb_func(					\
+	    bp->fb_payload.fb_##what.fb_##what##_##a0,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a1,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a2,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a3,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a4,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a5);			\
+}
+
+#define	FEM_VNEXT7_DECL(what, a0, a1, a2, a3, a4, a5, a6)		\
+void									\
+fem_handoff_##what(fem_baton_t *bp)					\
+{									\
+	bp->fb_rval = bp->fb_func(					\
+	    bp->fb_payload.fb_##what.fb_##what##_##a0,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a1,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a2,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a3,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a4,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a5,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a6);			\
+}
+
+#define	FEM_VNEXT8_DECL(what, a0, a1, a2, a3, a4, a5, a6, a7)		\
+void									\
+fem_handoff_##what(fem_baton_t *bp)					\
+{									\
+	bp->fb_rval = bp->fb_func(					\
+	    bp->fb_payload.fb_##what.fb_##what##_##a0,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a1,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a2,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a3,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a4,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a5,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a6,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a7);			\
+}
+
+#define	FEM_VNEXT10_DECL(what, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)	\
+void									\
+fem_handoff_##what(fem_baton_t *bp)					\
+{									\
+	bp->fb_rval = bp->fb_func(					\
+	    bp->fb_payload.fb_##what.fb_##what##_##a0,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a1,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a2,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a3,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a4,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a5,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a6,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a7,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a8,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a9);			\
+}
+
+#define	FEM_VNEXT11_DECL(what, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) \
+void									\
+fem_handoff_##what(fem_baton_t *bp)					\
+{									\
+	bp->fb_rval = bp->fb_func(					\
+	    bp->fb_payload.fb_##what.fb_##what##_##a0,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a1,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a2,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a3,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a4,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a5,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a6,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a7,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a8,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a9,			\
+	    bp->fb_payload.fb_##what.fb_##what##_##a10);		\
+}
+
+#define	FEM_VNEXT3(what, func, a0, a1, a2)				\
+	if (FEM_TOODEEP()) {						\
+		fem_baton_t *baton;					\
+		int rval;						\
+									\
+		baton = kmem_alloc(sizeof (fem_baton_t), KM_SLEEP);	\
+		baton->fb_payload.fb_##what.fb_##what##_##a0 = a0;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a1 = a1;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a2 = a2;	\
+		baton->fb_handoff = fem_handoff_##what;			\
+		baton->fb_func = func;					\
+									\
+		rval = fem_handoff(baton);				\
+		kmem_free(baton, sizeof (fem_baton_t));			\
+									\
+		return (rval);						\
+	}								\
+	return (func(a0, a1, a2))
+
+#define	FEM_VNEXT4(what, func, a0, a1, a2, a3)				\
+	if (FEM_TOODEEP()) {						\
+		fem_baton_t *baton;					\
+		int rval;						\
+									\
+		baton = kmem_alloc(sizeof (fem_baton_t), KM_SLEEP);	\
+		baton->fb_payload.fb_##what.fb_##what##_##a0 = a0;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a1 = a1;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a2 = a2;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a3 = a3;	\
+		baton->fb_handoff = fem_handoff_##what;			\
+		baton->fb_func = func;					\
+									\
+		rval = fem_handoff(baton);				\
+		kmem_free(baton, sizeof (fem_baton_t));			\
+									\
+		return (rval);						\
+	}								\
+	return (func(a0, a1, a2, a3))
+
+#define	FEM_VNEXT5(what, func, a0, a1, a2, a3, a4)			\
+	if (FEM_TOODEEP()) {						\
+		fem_baton_t *baton;					\
+		int rval;						\
+									\
+		baton = kmem_alloc(sizeof (fem_baton_t), KM_SLEEP);	\
+		baton->fb_payload.fb_##what.fb_##what##_##a0 = a0;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a1 = a1;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a2 = a2;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a3 = a3;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a4 = a4;	\
+		baton->fb_handoff = fem_handoff_##what;			\
+		baton->fb_func = func;					\
+									\
+		rval = fem_handoff(baton);				\
+		kmem_free(baton, sizeof (fem_baton_t));			\
+									\
+		return (rval);						\
+	}								\
+	return (func(a0, a1, a2, a3, a4))
+
+#define	FEM_VNEXT6(what, func, a0, a1, a2, a3, a4, a5)			\
+	if (FEM_TOODEEP()) {						\
+		fem_baton_t *baton;					\
+		int rval;						\
+									\
+		baton = kmem_alloc(sizeof (fem_baton_t), KM_SLEEP);	\
+		baton->fb_payload.fb_##what.fb_##what##_##a0 = a0;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a1 = a1;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a2 = a2;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a3 = a3;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a4 = a4;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a5 = a5;	\
+		baton->fb_handoff = fem_handoff_##what;			\
+		baton->fb_func = func;					\
+									\
+		rval = fem_handoff(baton);				\
+		kmem_free(baton, sizeof (fem_baton_t));			\
+									\
+		return (rval);						\
+	}								\
+	return (func(a0, a1, a2, a3, a4, a5))
+
+#define	FEM_VNEXT7(what, func, a0, a1, a2, a3, a4, a5, a6)		\
+	if (FEM_TOODEEP()) {						\
+		fem_baton_t *baton;					\
+		int rval;						\
+									\
+		baton = kmem_alloc(sizeof (fem_baton_t), KM_SLEEP);	\
+		baton->fb_payload.fb_##what.fb_##what##_##a0 = a0;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a1 = a1;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a2 = a2;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a3 = a3;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a4 = a4;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a5 = a5;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a6 = a6;	\
+		baton->fb_handoff = fem_handoff_##what;			\
+		baton->fb_func = func;					\
+									\
+		rval = fem_handoff(baton);				\
+		kmem_free(baton, sizeof (fem_baton_t));			\
+									\
+		return (rval);						\
+	}								\
+	return (func(a0, a1, a2, a3, a4, a5, a6))
+
+#define	FEM_VNEXT8(what, func, a0, a1, a2, a3, a4, a5, a6, a7)		\
+	if (FEM_TOODEEP()) {						\
+		fem_baton_t *baton;					\
+		int rval;						\
+									\
+		baton = kmem_alloc(sizeof (fem_baton_t), KM_SLEEP);	\
+		baton->fb_payload.fb_##what.fb_##what##_##a0 = a0;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a1 = a1;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a2 = a2;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a3 = a3;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a4 = a4;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a5 = a5;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a6 = a6;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a7 = a7;	\
+		baton->fb_handoff = fem_handoff_##what;			\
+		baton->fb_func = func;					\
+									\
+		rval = fem_handoff(baton);				\
+		kmem_free(baton, sizeof (fem_baton_t));			\
+									\
+		return (rval);						\
+	}								\
+	return (func(a0, a1, a2, a3, a4, a5, a6, a7))
+
+#define	FEM_VNEXT10(what, func, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)	\
+	if (FEM_TOODEEP()) {						\
+		fem_baton_t *baton;					\
+		int rval;						\
+									\
+		baton = kmem_alloc(sizeof (fem_baton_t), KM_SLEEP);	\
+		baton->fb_payload.fb_##what.fb_##what##_##a0 = a0;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a1 = a1;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a2 = a2;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a3 = a3;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a4 = a4;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a5 = a5;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a6 = a6;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a7 = a7;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a8 = a8;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a9 = a9;	\
+		baton->fb_handoff = fem_handoff_##what;			\
+		baton->fb_func = func;					\
+									\
+		rval = fem_handoff(baton);				\
+		kmem_free(baton, sizeof (fem_baton_t));			\
+									\
+		return (rval);						\
+	}								\
+	return (func(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9))
+
+#define	FEM_VNEXT11(what, func, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) \
+	if (FEM_TOODEEP()) {						\
+		fem_baton_t *baton;					\
+		int rval;						\
+									\
+		baton = kmem_alloc(sizeof (fem_baton_t), KM_SLEEP);	\
+		baton->fb_payload.fb_##what.fb_##what##_##a0 = a0;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a1 = a1;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a2 = a2;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a3 = a3;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a4 = a4;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a5 = a5;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a6 = a6;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a7 = a7;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a8 = a8;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a9 = a9;	\
+		baton->fb_payload.fb_##what.fb_##what##_##a10 = a10;	\
+		baton->fb_handoff = fem_handoff_##what;			\
+		baton->fb_func = func;					\
+									\
+		rval = fem_handoff(baton);				\
+		kmem_free(baton, sizeof (fem_baton_t));			\
+									\
+		return (rval);						\
+	}								\
+	return (func(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10))
+
 static fem_t *
 fem_alloc()
 {
@@ -2036,10 +2571,60 @@ static struct fs_operation_def fshead_vfs_spec[]  = {
  * 5.  Return by invoking the base operation with the base object.
  *
  * for each classification, there needs to be at least one "next" operation
- * for each "head"operation.
- *
+ * for each "head" operation.  Note that we also use the FEM_VNEXTn_DECL macros
+ * to define the function to run when the stack is split; see the discussion
+ * on "File event monitoring handoffs", above.
  */
 
+FEM_VNEXT4_DECL(open, arg0, mode, cr, ct)
+FEM_VNEXT6_DECL(close, arg0, flag, count, offset, cr, ct)
+FEM_VNEXT5_DECL(read, arg0, uiop, ioflag, cr, ct)
+FEM_VNEXT5_DECL(write, arg0, uiop, ioflag, cr, ct)
+FEM_VNEXT7_DECL(ioctl, arg0, cmd, arg, flag, cr, rvalp, ct)
+FEM_VNEXT5_DECL(setfl, arg0, oflags, nflags, cr, ct)
+FEM_VNEXT5_DECL(getattr, arg0, vap, flags, cr, ct)
+FEM_VNEXT5_DECL(setattr, arg0, vap, flags, cr, ct)
+FEM_VNEXT5_DECL(access, arg0, mode, flags, cr, ct)
+FEM_VNEXT10_DECL(lookup, arg0, nm, vpp, pnp, flags, rdir,
+    cr, ct, direntflags, realpnp)
+FEM_VNEXT10_DECL(create, arg0, name, vap, excl, mode, vpp, cr, flag, ct, vsecp)
+FEM_VNEXT5_DECL(remove, arg0, nm, cr, ct, flags)
+FEM_VNEXT6_DECL(link, arg0, svp, tnm, cr, ct, flags)
+FEM_VNEXT7_DECL(rename, arg0, snm, tdvp, tnm, cr, ct, flags)
+FEM_VNEXT8_DECL(mkdir, arg0, dirname, vap, vpp, cr, ct, flags, vsecp)
+FEM_VNEXT6_DECL(rmdir, arg0, nm, cdir, cr, ct, flags)
+FEM_VNEXT6_DECL(readdir, arg0, uiop, cr, eofp, ct, flags)
+FEM_VNEXT7_DECL(symlink, arg0, linkname, vap, target, cr, ct, flags)
+FEM_VNEXT4_DECL(readlink, arg0, uiop, cr, ct)
+FEM_VNEXT4_DECL(fsync, arg0, syncflag, cr, ct)
+FEM_VNEXT3_DECL(fid, arg0, fidp, ct)
+FEM_VNEXT3_DECL(rwlock, arg0, write_lock, ct)
+FEM_VNEXT4_DECL(seek, arg0, ooff, noffp, ct)
+FEM_VNEXT3_DECL(cmp, arg0, vp2, ct)
+FEM_VNEXT8_DECL(frlock, arg0, cmd, bfp, flag, offset, flk_cbp, cr, ct)
+FEM_VNEXT7_DECL(space, arg0, cmd, bfp, flag, offset, cr, ct)
+FEM_VNEXT3_DECL(realvp, arg0, vpp, ct)
+FEM_VNEXT11_DECL(getpage, arg0, off, len, protp, plarr, plsz,
+    seg, addr, rw, cr, ct)
+FEM_VNEXT6_DECL(putpage, arg0, off, len, flags, cr, ct)
+FEM_VNEXT10_DECL(map, arg0, off, as, addrp, len, prot, maxprot,
+    flags, cr, ct)
+FEM_VNEXT10_DECL(addmap, arg0, off, as, addr, len, prot, maxprot,
+    flags, cr, ct)
+FEM_VNEXT10_DECL(delmap, arg0, off, as, addr, len, prot, maxprot,
+    flags, cr, ct)
+FEM_VNEXT6_DECL(poll, arg0, events, anyyet, reventsp, phpp, ct)
+FEM_VNEXT5_DECL(dump, arg0, addr, lbdn, dblks, ct)
+FEM_VNEXT5_DECL(pathconf, arg0, cmd, valp, cr, ct)
+FEM_VNEXT7_DECL(pageio, arg0, pp, io_off, io_len, flags, cr, ct)
+FEM_VNEXT4_DECL(dumpctl, arg0, action, blkp, ct)
+FEM_VNEXT5_DECL(setsecattr, arg0, vsap, flag, cr, ct)
+FEM_VNEXT5_DECL(getsecattr, arg0, vsap, flag, cr, ct)
+FEM_VNEXT6_DECL(shrlock, arg0, cmd, shr, flag, cr, ct)
+FEM_VNEXT5_DECL(vnevent, arg0, vnevent, dvp, cname, ct)
+FEM_VNEXT5_DECL(reqzcbuf, arg0, ioflag, xuiop, cr, ct)
+FEM_VNEXT4_DECL(retzcbuf, arg0, xuiop, cr, ct)
+
 int
 vnext_open(femarg_t *vf, int mode, cred_t *cr, caller_context_t *ct)
 {
@@ -2051,7 +2636,7 @@ vnext_open(femarg_t *vf, int mode, cred_t *cr, caller_context_t *ct)
 	vsop_find(vf, &func, int, &arg0, vop_open, femop_open);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, mode, cr, ct));
+	FEM_VNEXT4(open, func, arg0, mode, cr, ct);
 }
 
 int
@@ -2066,7 +2651,7 @@ vnext_close(femarg_t *vf, int flag, int count, offset_t offset, cred_t *cr,
 	vsop_find(vf, &func, int, &arg0, vop_close, femop_close);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, flag, count, offset, cr, ct));
+	FEM_VNEXT6(close, func, arg0, flag, count, offset, cr, ct);
 }
 
 int
@@ -2081,7 +2666,7 @@ vnext_read(femarg_t *vf, uio_t *uiop, int ioflag, cred_t *cr,
 	vsop_find(vf, &func, int, &arg0, vop_read, femop_read);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, uiop, ioflag, cr, ct));
+	FEM_VNEXT5(read, func, arg0, uiop, ioflag, cr, ct);
 }
 
 int
@@ -2096,7 +2681,7 @@ vnext_write(femarg_t *vf, uio_t *uiop, int ioflag, cred_t *cr,
 	vsop_find(vf, &func, int, &arg0, vop_write, femop_write);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, uiop, ioflag, cr, ct));
+	FEM_VNEXT5(write, func, arg0, uiop, ioflag, cr, ct);
 }
 
 int
@@ -2111,7 +2696,7 @@ vnext_ioctl(femarg_t *vf, int cmd, intptr_t arg, int flag, cred_t *cr,
 	vsop_find(vf, &func, int, &arg0, vop_ioctl, femop_ioctl);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, cmd, arg, flag, cr, rvalp, ct));
+	FEM_VNEXT7(ioctl, func, arg0, cmd, arg, flag, cr, rvalp, ct);
 }
 
 int
@@ -2126,7 +2711,7 @@ vnext_setfl(femarg_t *vf, int oflags, int nflags, cred_t *cr,
 	vsop_find(vf, &func, int, &arg0, vop_setfl, femop_setfl);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, oflags, nflags, cr, ct));
+	FEM_VNEXT5(setfl, func, arg0, oflags, nflags, cr, ct);
 }
 
 int
@@ -2141,7 +2726,7 @@ vnext_getattr(femarg_t *vf, vattr_t *vap, int flags, cred_t *cr,
 	vsop_find(vf, &func, int, &arg0, vop_getattr, femop_getattr);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, vap, flags, cr, ct));
+	FEM_VNEXT5(getattr, func, arg0, vap, flags, cr, ct);
 }
 
 int
@@ -2156,7 +2741,7 @@ vnext_setattr(femarg_t *vf, vattr_t *vap, int flags, cred_t *cr,
 	vsop_find(vf, &func, int, &arg0, vop_setattr, femop_setattr);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, vap, flags, cr, ct));
+	FEM_VNEXT5(setattr, func, arg0, vap, flags, cr, ct);
 }
 
 int
@@ -2171,7 +2756,7 @@ vnext_access(femarg_t *vf, int mode, int flags, cred_t *cr,
 	vsop_find(vf, &func, int, &arg0, vop_access, femop_access);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, mode, flags, cr, ct));
+	FEM_VNEXT5(access, func, arg0, mode, flags, cr, ct);
 }
 
 int
@@ -2187,8 +2772,8 @@ vnext_lookup(femarg_t *vf, char *nm, vnode_t **vpp, pathname_t *pnp,
 	vsop_find(vf, &func, int, &arg0, vop_lookup, femop_lookup);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, nm, vpp, pnp, flags, rdir, cr, ct,
-	    direntflags, realpnp));
+	FEM_VNEXT10(lookup, func, arg0, nm, vpp, pnp, flags, rdir, cr, ct,
+	    direntflags, realpnp);
 }
 
 int
@@ -2204,7 +2789,8 @@ vnext_create(femarg_t *vf, char *name, vattr_t *vap, vcexcl_t excl,
 	vsop_find(vf, &func, int, &arg0, vop_create, femop_create);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, name, vap, excl, mode, vpp, cr, flag, ct, vsecp));
+	FEM_VNEXT10(create, func, arg0, name, vap, excl,
+	    mode, vpp, cr, flag, ct, vsecp);
 }
 
 int
@@ -2219,7 +2805,7 @@ vnext_remove(femarg_t *vf, char *nm, cred_t *cr, caller_context_t *ct,
 	vsop_find(vf, &func, int, &arg0, vop_remove, femop_remove);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, nm, cr, ct, flags));
+	FEM_VNEXT5(remove, func, arg0, nm, cr, ct, flags);
 }
 
 int
@@ -2234,7 +2820,7 @@ vnext_link(femarg_t *vf, vnode_t *svp, char *tnm, cred_t *cr,
 	vsop_find(vf, &func, int, &arg0, vop_link, femop_link);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, svp, tnm, cr, ct, flags));
+	FEM_VNEXT6(link, func, arg0, svp, tnm, cr, ct, flags);
 }
 
 int
@@ -2249,7 +2835,7 @@ vnext_rename(femarg_t *vf, char *snm, vnode_t *tdvp, char *tnm, cred_t *cr,
 	vsop_find(vf, &func, int, &arg0, vop_rename, femop_rename);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, snm, tdvp, tnm, cr, ct, flags));
+	FEM_VNEXT7(rename, func, arg0, snm, tdvp, tnm, cr, ct, flags);
 }
 
 int
@@ -2264,7 +2850,7 @@ vnext_mkdir(femarg_t *vf, char *dirname, vattr_t *vap, vnode_t **vpp,
 	vsop_find(vf, &func, int, &arg0, vop_mkdir, femop_mkdir);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, dirname, vap, vpp, cr, ct, flags, vsecp));
+	FEM_VNEXT8(mkdir, func, arg0, dirname, vap, vpp, cr, ct, flags, vsecp);
 }
 
 int
@@ -2279,7 +2865,7 @@ vnext_rmdir(femarg_t *vf, char *nm, vnode_t *cdir, cred_t *cr,
 	vsop_find(vf, &func, int, &arg0, vop_rmdir, femop_rmdir);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, nm, cdir, cr, ct, flags));
+	FEM_VNEXT6(rmdir, func, arg0, nm, cdir, cr, ct, flags);
 }
 
 int
@@ -2294,7 +2880,7 @@ vnext_readdir(femarg_t *vf, uio_t *uiop, cred_t *cr, int *eofp,
 	vsop_find(vf, &func, int, &arg0, vop_readdir, femop_readdir);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, uiop, cr, eofp, ct, flags));
+	FEM_VNEXT6(readdir, func, arg0, uiop, cr, eofp, ct, flags);
 }
 
 int
@@ -2309,7 +2895,7 @@ vnext_symlink(femarg_t *vf, char *linkname, vattr_t *vap, char *target,
 	vsop_find(vf, &func, int, &arg0, vop_symlink, femop_symlink);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, linkname, vap, target, cr, ct, flags));
+	FEM_VNEXT7(symlink, func, arg0, linkname, vap, target, cr, ct, flags);
 }
 
 int
@@ -2323,7 +2909,7 @@ vnext_readlink(femarg_t *vf, uio_t *uiop, cred_t *cr, caller_context_t *ct)
 	vsop_find(vf, &func, int, &arg0, vop_readlink, femop_readlink);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, uiop, cr, ct));
+	FEM_VNEXT4(readlink, func, arg0, uiop, cr, ct);
 }
 
 int
@@ -2337,7 +2923,7 @@ vnext_fsync(femarg_t *vf, int syncflag, cred_t *cr, caller_context_t *ct)
 	vsop_find(vf, &func, int, &arg0, vop_fsync, femop_fsync);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, syncflag, cr, ct));
+	FEM_VNEXT4(fsync, func, arg0, syncflag, cr, ct);
 }
 
 void
@@ -2365,7 +2951,7 @@ vnext_fid(femarg_t *vf, fid_t *fidp, caller_context_t *ct)
 	vsop_find(vf, &func, int, &arg0, vop_fid, femop_fid);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, fidp, ct));
+	FEM_VNEXT3(fid, func, arg0, fidp, ct);
 }
 
 int
@@ -2379,7 +2965,7 @@ vnext_rwlock(femarg_t *vf, int write_lock, caller_context_t *ct)
 	vsop_find(vf, &func, int, &arg0, vop_rwlock, femop_rwlock);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, write_lock, ct));
+	FEM_VNEXT3(rwlock, func, arg0, write_lock, ct);
 }
 
 void
@@ -2407,7 +2993,7 @@ vnext_seek(femarg_t *vf, offset_t ooff, offset_t *noffp, caller_context_t *ct)
 	vsop_find(vf, &func, int, &arg0, vop_seek, femop_seek);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, ooff, noffp, ct));
+	FEM_VNEXT4(seek, func, arg0, ooff, noffp, ct);
 }
 
 int
@@ -2421,7 +3007,7 @@ vnext_cmp(femarg_t *vf, vnode_t *vp2, caller_context_t *ct)
 	vsop_find(vf, &func, int, &arg0, vop_cmp, femop_cmp);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, vp2, ct));
+	FEM_VNEXT3(cmp, func, arg0, vp2, ct);
 }
 
 int
@@ -2437,7 +3023,7 @@ vnext_frlock(femarg_t *vf, int cmd, struct flock64 *bfp, int flag,
 	vsop_find(vf, &func, int, &arg0, vop_frlock, femop_frlock);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, cmd, bfp, flag, offset, flk_cbp, cr, ct));
+	FEM_VNEXT8(frlock, func, arg0, cmd, bfp, flag, offset, flk_cbp, cr, ct);
 }
 
 int
@@ -2452,7 +3038,7 @@ vnext_space(femarg_t *vf, int cmd, struct flock64 *bfp, int flag,
 	vsop_find(vf, &func, int, &arg0, vop_space, femop_space);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, cmd, bfp, flag, offset, cr, ct));
+	FEM_VNEXT7(space, func, arg0, cmd, bfp, flag, offset, cr, ct);
 }
 
 int
@@ -2466,7 +3052,7 @@ vnext_realvp(femarg_t *vf, vnode_t **vpp, caller_context_t *ct)
 	vsop_find(vf, &func, int, &arg0, vop_realvp, femop_realvp);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, vpp, ct));
+	FEM_VNEXT3(realvp, func, arg0, vpp, ct);
 }
 
 int
@@ -2482,8 +3068,8 @@ vnext_getpage(femarg_t *vf, offset_t off, size_t len, uint_t *protp,
 	vsop_find(vf, &func, int, &arg0, vop_getpage, femop_getpage);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, off, len, protp, plarr, plsz, seg, addr, rw,
-	    cr, ct));
+	FEM_VNEXT11(getpage, func, arg0, off, len, protp,
+	    plarr, plsz, seg, addr, rw, cr, ct);
 }
 
 int
@@ -2498,7 +3084,7 @@ vnext_putpage(femarg_t *vf, offset_t off, size_t len, int flags,
 	vsop_find(vf, &func, int, &arg0, vop_putpage, femop_putpage);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, off, len, flags, cr, ct));
+	FEM_VNEXT6(putpage, func, arg0, off, len, flags, cr, ct);
 }
 
 int
@@ -2514,8 +3100,8 @@ vnext_map(femarg_t *vf, offset_t off, struct as *as, caddr_t *addrp,
 	vsop_find(vf, &func, int, &arg0, vop_map, femop_map);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, off, as, addrp, len, prot, maxprot, flags,
-	    cr, ct));
+	FEM_VNEXT10(map, func, arg0, off, as, addrp, len, prot, maxprot, flags,
+	    cr, ct);
 }
 
 int
@@ -2531,8 +3117,8 @@ vnext_addmap(femarg_t *vf, offset_t off, struct as *as, caddr_t addr,
 	vsop_find(vf, &func, int, &arg0, vop_addmap, femop_addmap);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, off, as, addr, len, prot, maxprot, flags,
-	    cr, ct));
+	FEM_VNEXT10(addmap, func, arg0, off, as, addr, len, prot, maxprot,
+	    flags, cr, ct);
 }
 
 int
@@ -2548,8 +3134,8 @@ vnext_delmap(femarg_t *vf, offset_t off, struct as *as, caddr_t addr,
 	vsop_find(vf, &func, int, &arg0, vop_delmap, femop_delmap);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, off, as, addr, len, prot, maxprot, flags,
-	    cr, ct));
+	FEM_VNEXT10(delmap, func, arg0, off, as, addr, len, prot, maxprot,
+	    flags, cr, ct);
 }
 
 int
@@ -2564,7 +3150,7 @@ vnext_poll(femarg_t *vf, short events, int anyyet, short *reventsp,
 	vsop_find(vf, &func, int, &arg0, vop_poll, femop_poll);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, events, anyyet, reventsp, phpp, ct));
+	FEM_VNEXT6(poll, func, arg0, events, anyyet, reventsp, phpp, ct);
 }
 
 int
@@ -2579,7 +3165,7 @@ vnext_dump(femarg_t *vf, caddr_t addr, offset_t lbdn, offset_t dblks,
 	vsop_find(vf, &func, int, &arg0, vop_dump, femop_dump);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, addr, lbdn, dblks, ct));
+	FEM_VNEXT5(dump, func, arg0, addr, lbdn, dblks, ct);
 }
 
 int
@@ -2594,7 +3180,7 @@ vnext_pathconf(femarg_t *vf, int cmd, ulong_t *valp, cred_t *cr,
 	vsop_find(vf, &func, int, &arg0, vop_pathconf, femop_pathconf);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, cmd, valp, cr, ct));
+	FEM_VNEXT5(pathconf, func, arg0, cmd, valp, cr, ct);
 }
 
 int
@@ -2609,7 +3195,7 @@ vnext_pageio(femarg_t *vf, struct page *pp, u_offset_t io_off,
 	vsop_find(vf, &func, int, &arg0, vop_pageio, femop_pageio);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, pp, io_off, io_len, flags, cr, ct));
+	FEM_VNEXT7(pageio, func, arg0, pp, io_off, io_len, flags, cr, ct);
 }
 
 int
@@ -2623,7 +3209,7 @@ vnext_dumpctl(femarg_t *vf, int action, offset_t *blkp, caller_context_t *ct)
 	vsop_find(vf, &func, int, &arg0, vop_dumpctl, femop_dumpctl);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, action, blkp, ct));
+	FEM_VNEXT4(dumpctl, func, arg0, action, blkp, ct);
 }
 
 void
@@ -2653,7 +3239,7 @@ vnext_setsecattr(femarg_t *vf, vsecattr_t *vsap, int flag, cred_t *cr,
 	vsop_find(vf, &func, int, &arg0, vop_setsecattr, femop_setsecattr);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, vsap, flag, cr, ct));
+	FEM_VNEXT5(setsecattr, func, arg0, vsap, flag, cr, ct);
 }
 
 int
@@ -2668,7 +3254,7 @@ vnext_getsecattr(femarg_t *vf, vsecattr_t *vsap, int flag, cred_t *cr,
 	vsop_find(vf, &func, int, &arg0, vop_getsecattr, femop_getsecattr);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, vsap, flag, cr, ct));
+	FEM_VNEXT5(getsecattr, func, arg0, vsap, flag, cr, ct);
 }
 
 int
@@ -2683,7 +3269,7 @@ vnext_shrlock(femarg_t *vf, int cmd, struct shrlock *shr, int flag,
 	vsop_find(vf, &func, int, &arg0, vop_shrlock, femop_shrlock);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, cmd, shr, flag, cr, ct));
+	FEM_VNEXT6(shrlock, func, arg0, cmd, shr, flag, cr, ct);
 }
 
 int
@@ -2698,7 +3284,7 @@ vnext_vnevent(femarg_t *vf, vnevent_t vnevent, vnode_t *dvp, char *cname,
 	vsop_find(vf, &func, int, &arg0, vop_vnevent, femop_vnevent);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, vnevent, dvp, cname, ct));
+	FEM_VNEXT5(vnevent, func, arg0, vnevent, dvp, cname, ct);
 }
 
 int
@@ -2713,7 +3299,7 @@ vnext_reqzcbuf(femarg_t *vf, enum uio_rw ioflag, xuio_t *xuiop, cred_t *cr,
 	vsop_find(vf, &func, int, &arg0, vop_reqzcbuf, femop_reqzcbuf);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, ioflag, xuiop, cr, ct));
+	FEM_VNEXT5(reqzcbuf, func, arg0, ioflag, xuiop, cr, ct);
 }
 
 int
@@ -2727,7 +3313,7 @@ vnext_retzcbuf(femarg_t *vf, xuio_t *xuiop, cred_t *cr, caller_context_t *ct)
 	vsop_find(vf, &func, int, &arg0, vop_retzcbuf, femop_retzcbuf);
 	ASSERT(func != NULL);
 	ASSERT(arg0 != NULL);
-	return ((*func)(arg0, xuiop, cr, ct));
+	FEM_VNEXT4(retzcbuf, func, arg0, xuiop, cr, ct);
 }
 
 int
diff --git a/usr/src/uts/common/fs/fifofs/fifosubr.c b/usr/src/uts/common/fs/fifofs/fifosubr.c
index 6e56000ffe..56204c6741 100644
--- a/usr/src/uts/common/fs/fifofs/fifosubr.c
+++ b/usr/src/uts/common/fs/fifofs/fifosubr.c
@@ -614,9 +614,12 @@ fifo_stropen(vnode_t **vpp, int flag, cred_t *crp, int dotwist, int lockheld)
 	/*
 	 * The other end of the pipe is almost closed so
 	 * reject any other open on this end of the pipe
-	 * This only happens with a pipe mounted under namefs
+	 * This normally only happens with a pipe mounted under namefs, but
+	 * we can also see an open via proc/fd, which should still succeed.
+	 * To indicate the proc/fd case the FKLYR flag is passed.
 	 */
-	if ((fnp->fn_flag & (FIFOCLOSE|ISPIPE)) == (FIFOCLOSE|ISPIPE)) {
+	if ((fnp->fn_flag & (FIFOCLOSE|ISPIPE)) == (FIFOCLOSE|ISPIPE) &&
+	    (flag & FKLYR) == 0) {
 		fifo_cleanup(oldvp, flag);
 		cv_broadcast(&fnp->fn_wait_cv);
 		if (!lockheld)
diff --git a/usr/src/uts/common/fs/fifofs/fifovnops.c b/usr/src/uts/common/fs/fifofs/fifovnops.c
index ac89e430c7..fee2924093 100644
--- a/usr/src/uts/common/fs/fifofs/fifovnops.c
+++ b/usr/src/uts/common/fs/fifofs/fifovnops.c
@@ -27,7 +27,9 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+ */
 
 /*
  * FIFOFS file system vnode operations.  This file system
@@ -1832,17 +1834,16 @@ fifo_poll(vnode_t *vp, short events, int anyyet, short *reventsp,
 	}
 
 	/*
-	 * if we happened to get something, return
+	 * if we happened to get something and we're not edge-triggered, return
 	 */
-
-	if ((*reventsp = (short)retevents) != 0) {
+	if ((*reventsp = (short)retevents) != 0 && !(events & POLLET)) {
 		mutex_exit(&fnp->fn_lock->flk_lock);
 		return (0);
 	}
 
 	/*
-	 * If poll() has not found any events yet, set up event cell
-	 * to wake up the poll if a requested event occurs on this
+	 * If poll() has not found any events yet or we're edge-triggered, set
+	 * up event cell to wake up the poll if a requested event occurs on this
 	 * pipe/fifo.
 	 */
 	if (!anyyet) {
diff --git a/usr/src/uts/common/fs/fs_subr.c b/usr/src/uts/common/fs/fs_subr.c
index 744d269716..ec5b145a86 100644
--- a/usr/src/uts/common/fs/fs_subr.c
+++ b/usr/src/uts/common/fs/fs_subr.c
@@ -25,6 +25,7 @@
 /*
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 /*
@@ -246,6 +247,7 @@ fs_frlock(register vnode_t *vp, int cmd, struct flock64 *bfp, int flag,
 	int frcmd;
 	int nlmid;
 	int error = 0;
+	boolean_t skip_lock = B_FALSE;
 	flk_callback_t serialize_callback;
 	int serialize = 0;
 	v_mode_t mode;
@@ -265,6 +267,17 @@ fs_frlock(register vnode_t *vp, int cmd, struct flock64 *bfp, int flag,
 		}
 		break;
 
+	case F_OFD_GETLK:
+		/*
+		 * TBD we do not support remote OFD locks at this time.
+		 */
+		if (flag & (F_REMOTELOCK | F_PXFSLOCK)) {
+			error = EINVAL;
+			goto done;
+		}
+		skip_lock = B_TRUE;
+		break;
+
 	case F_SETLK_NBMAND:
 		/*
 		 * Are NBMAND locks allowed on this file?
@@ -326,6 +339,20 @@ fs_frlock(register vnode_t *vp, int cmd, struct flock64 *bfp, int flag,
 		}
 		break;
 
+	case F_OFD_SETLK:
+	case F_OFD_SETLKW:
+	case F_FLOCK:
+	case F_FLOCKW:
+		/*
+		 * TBD we do not support remote OFD locks at this time.
+		 */
+		if (flag & (F_REMOTELOCK | F_PXFSLOCK)) {
+			error = EINVAL;
+			goto done;
+		}
+		skip_lock = B_TRUE;
+		break;
+
 	case F_HASREMOTELOCKS:
 		nlmid = GETNLMID(bfp->l_sysid);
 		if (nlmid != 0) {	/* booted as a cluster */
@@ -354,7 +381,8 @@ fs_frlock(register vnode_t *vp, int cmd, struct flock64 *bfp, int flag,
 		flk_cbp = &serialize_callback;
 	}
 
-	error = reclock(vp, bfp, frcmd, flag, offset, flk_cbp);
+	if (!skip_lock)
+		error = reclock(vp, bfp, frcmd, flag, offset, flk_cbp);
 
 done:
 	if (serialize)
diff --git a/usr/src/uts/common/fs/hyprlofs/hyprlofs_dir.c b/usr/src/uts/common/fs/hyprlofs/hyprlofs_dir.c
new file mode 100644
index 0000000000..05ee2c6e09
--- /dev/null
+++ b/usr/src/uts/common/fs/hyprlofs/hyprlofs_dir.c
@@ -0,0 +1,640 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2012, Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/sysmacros.h>
+#include <sys/systm.h>
+#include <sys/time.h>
+#include <sys/vfs.h>
+#include <sys/vnode.h>
+#include <sys/errno.h>
+#include <sys/cmn_err.h>
+#include <sys/cred.h>
+#include <sys/stat.h>
+#include <sys/policy.h>
+#include <sys/fs/hyprlofs_info.h>
+
+static int hldir_make_hlnode(hlnode_t *, hlfsmount_t *, vattr_t *, enum de_op,
+		vnode_t *, hlnode_t **, cred_t *);
+static int hldiraddentry(hlnode_t *, hlnode_t *, char *);
+
+
+#define	HL_HASH_SIZE	8192		/* must be power of 2 */
+#define	HL_MUTEX_SIZE	64
+
+static hldirent_t	*hl_hashtable[HL_HASH_SIZE];
+static kmutex_t		 hl_hashmutex[HL_MUTEX_SIZE];
+
+#define	HL_HASH_INDEX(a)	((a) & (HL_HASH_SIZE-1))
+#define	HL_MUTEX_INDEX(a)	((a) & (HL_MUTEX_SIZE-1))
+
+#define	HYPRLOFS_HASH(tp, name, hash)				\
+	{							\
+		char Xc, *Xcp;					\
+		hash = (uint_t)(uintptr_t)(tp) >> 8;		\
+		for (Xcp = (name); (Xc = *Xcp) != 0; Xcp++)	\
+			hash = (hash << 4) + hash + (uint_t)Xc;	\
+	}
+
+void
+hyprlofs_hash_init(void)
+{
+	int	ix;
+
+	for (ix = 0; ix < HL_MUTEX_SIZE; ix++)
+		mutex_init(&hl_hashmutex[ix], NULL, MUTEX_DEFAULT, NULL);
+}
+
+static void
+hyprlofs_hash_in(hldirent_t *h)
+{
+	uint_t		hash;
+	hldirent_t	**prevpp;
+	kmutex_t	*hmtx;
+
+	HYPRLOFS_HASH(h->hld_parent, h->hld_name, hash);
+	h->hld_hash = hash;
+	prevpp = &hl_hashtable[HL_HASH_INDEX(hash)];
+	hmtx = &hl_hashmutex[HL_MUTEX_INDEX(hash)];
+	mutex_enter(hmtx);
+	h->hld_link = *prevpp;
+	*prevpp = h;
+	mutex_exit(hmtx);
+}
+
+/* Remove hldirent *h from the hash list. */
+static void
+hyprlofs_hash_out(hldirent_t *h)
+{
+	uint_t		hash;
+	hldirent_t	**prevpp;
+	kmutex_t	*hmtx;
+
+	hash = h->hld_hash;
+	prevpp = &hl_hashtable[HL_HASH_INDEX(hash)];
+	hmtx = &hl_hashmutex[HL_MUTEX_INDEX(hash)];
+	mutex_enter(hmtx);
+	while (*prevpp != h)
+		prevpp = &(*prevpp)->hld_link;
+	*prevpp = h->hld_link;
+	mutex_exit(hmtx);
+}
+
+static hldirent_t *
+hyprlofs_hash_lookup(char *name, hlnode_t *parent, uint_t hold,
+    hlnode_t **found)
+{
+	hldirent_t	*l;
+	uint_t		hash;
+	kmutex_t	*hmtx;
+	hlnode_t	*hnp;
+
+	HYPRLOFS_HASH(parent, name, hash);
+	hmtx = &hl_hashmutex[HL_MUTEX_INDEX(hash)];
+	mutex_enter(hmtx);
+	l = hl_hashtable[HL_HASH_INDEX(hash)];
+	while (l) {
+		if (l->hld_hash == hash && l->hld_parent == parent &&
+		    strcmp(l->hld_name, name) == 0) {
+			/*
+			 * Ensure that the hlnode that we put a hold on is the
+			 * same one that we pass back. Thus the temp. var
+			 * hnp is necessary.
+			 */
+			hnp = l->hld_hlnode;
+			if (hold) {
+				ASSERT(hnp);
+				hlnode_hold(hnp);
+			}
+			if (found)
+				*found = hnp;
+			mutex_exit(hmtx);
+			return (l);
+		} else {
+			l = l->hld_link;
+		}
+	}
+	mutex_exit(hmtx);
+	return (NULL);
+}
+
+/*
+ * Search directory 'parent' for entry 'name'.
+ *
+ * The calling thread can't hold the write version of the rwlock for the
+ * directory being searched
+ *
+ * On success *foundtp points to the found hlnode with its vnode held.
+ */
+int
+hyprlofs_dirlookup(hlnode_t *parent, char *name, hlnode_t **foundtp, cred_t *cr)
+{
+	int error;
+
+	*foundtp = NULL;
+	if (parent->hln_type != VDIR)
+		return (ENOTDIR);
+
+	if ((error = hyprlofs_taccess(parent, VEXEC, cr)))
+		return (error);
+
+	if (*name == '\0') {
+		hlnode_hold(parent);
+		*foundtp = parent;
+		return (0);
+	}
+
+	/*
+	 * Search the directory for the matching name. We need the lock
+	 * protecting the hln_dir list so that it doesn't change out from
+	 * underneath us. hyprlofs_hash_lookup() will pass back the hlnode
+	 * with a hold on it.
+	 */
+	if (hyprlofs_hash_lookup(name, parent, 1, foundtp) != NULL) {
+		ASSERT(*foundtp);
+		return (0);
+	}
+
+	return (ENOENT);
+}
+
+/*
+ * Enter a directory entry (either a file or subdir, depending on op) for
+ * 'name' and 'hp' into directory 'dir'
+ */
+int
+hyprlofs_direnter(
+	hlfsmount_t	*hm,
+	hlnode_t	*dir,		/* target directory to make entry in */
+	char		*name,		/* name of entry */
+	enum de_op	op,		/* entry operation */
+	vnode_t		*realvp,	/* real vnode */
+	vattr_t		*va,
+	hlnode_t	**hpp,		/* return hlnode */
+	cred_t		*cr)
+{
+	hldirent_t *hdp;
+	hlnode_t *found = NULL;
+	hlnode_t *hp;
+	int error = 0;
+	char *s;
+
+	/* hln_rwlock is held to serialize direnter and dirdeletes */
+	ASSERT(RW_WRITE_HELD(&dir->hln_rwlock));
+	ASSERT(dir->hln_type == VDIR);
+
+	/* Don't allow '/' characters in pathname component */
+	for (s = name; *s; s++)
+		if (*s == '/')
+			return (EACCES);
+
+	if (name[0] == '\0')
+		panic("hyprlofs_direnter: NULL name");
+
+	/*
+	 * This might be a "dangling detached directory". It could have been
+	 * removed, but a reference to it kept in u_cwd. Don't bother searching
+	 * it, and with any luck the user will get tired of dealing with us and
+	 * cd to some absolute pathway. This is in ufs, too.
+	 */
+	if (dir->hln_nlink == 0) {
+		return (ENOENT);
+	}
+
+	/* Search for the entry.  Return "found" if it exists. */
+	hdp = hyprlofs_hash_lookup(name, dir, 1, &found);
+
+	if (hdp) {
+		ASSERT(found);
+		switch (op) {
+		case DE_CREATE:
+		case DE_MKDIR:
+			if (hpp) {
+				*hpp = found;
+				error = EEXIST;
+			} else {
+				hlnode_rele(found);
+			}
+			break;
+		}
+	} else {
+
+		/*
+		 * The entry does not exist. Check write perms in dir to see if
+		 * entry can be created.
+		 */
+		if ((error = hyprlofs_taccess(dir, VWRITE, cr)))
+			return (error);
+
+		/* Make new hlnode and directory entry as required. */
+		if ((error = hldir_make_hlnode(dir, hm, va, op, realvp, &hp,
+		    cr)))
+			return (error);
+
+		if ((error = hldiraddentry(dir, hp, name))) {
+			/* Unmake the inode we just made. */
+			rw_enter(&hp->hln_rwlock, RW_WRITER);
+			if ((hp->hln_type) == VDIR) {
+				ASSERT(hdp == NULL);
+				/* cleanup allocs made by hyprlofs_dirinit() */
+				hyprlofs_dirtrunc(hp);
+			}
+			mutex_enter(&hp->hln_tlock);
+			hp->hln_nlink = 0;
+			mutex_exit(&hp->hln_tlock);
+			gethrestime(&hp->hln_ctime);
+			rw_exit(&hp->hln_rwlock);
+			hlnode_rele(hp);
+			hp = NULL;
+		} else if (hpp) {
+			*hpp = hp;
+		} else {
+			hlnode_rele(hp);
+		}
+	}
+
+	return (error);
+}
+
+/*
+ * Delete entry hp of name "nm" from dir. Free dir entry space and decrement
+ * link count on hlnode(s).
+ */
+int
+hyprlofs_dirdelete(hlnode_t *dir, hlnode_t *hp, char *nm, enum dr_op op,
+    cred_t *cr)
+{
+	hldirent_t *hpdp;
+	int error;
+	size_t namelen;
+	hlnode_t *hnp;
+	timestruc_t now;
+
+	ASSERT(RW_WRITE_HELD(&dir->hln_rwlock));
+	ASSERT(RW_WRITE_HELD(&hp->hln_rwlock));
+	ASSERT(dir->hln_type == VDIR);
+
+	if (nm[0] == '\0')
+		panic("hyprlofs_dirdelete: NULL name for %p", (void *)hp);
+
+	/* return error if removing . or .. */
+	if (nm[0] == '.') {
+		if (nm[1] == '\0')
+			return (EINVAL);
+		if (nm[1] == '.' && nm[2] == '\0')
+			return (EEXIST); /* thus in ufs */
+	}
+
+	if ((error = hyprlofs_taccess(dir, VEXEC|VWRITE, cr)) != 0)
+		return (error);
+
+	if (dir->hln_dir == NULL)
+		return (ENOENT);
+
+	hpdp = hyprlofs_hash_lookup(nm, dir, 0, &hnp);
+	if (hpdp == NULL) {
+		/*
+		 * If it is gone, some other thread got here first!
+		 * Return error ENOENT.
+		 */
+		return (ENOENT);
+	}
+
+	/*
+	 * If the hlnode in the hldirent changed (shouldn't happen since we
+	 * don't support rename) then original is gone, so return that status
+	 * (same as UFS).
+	 */
+	if (hp != hnp)
+		return (ENOENT);
+
+	hyprlofs_hash_out(hpdp);
+
+	/* Take hpdp out of the directory list. */
+	ASSERT(hpdp->hld_next != hpdp);
+	ASSERT(hpdp->hld_prev != hpdp);
+	if (hpdp->hld_prev) {
+		hpdp->hld_prev->hld_next = hpdp->hld_next;
+	}
+	if (hpdp->hld_next) {
+		hpdp->hld_next->hld_prev = hpdp->hld_prev;
+	}
+
+	/*
+	 * If the roving slot pointer happens to match hpdp, point it at the
+	 * previous dirent.
+	 */
+	if (dir->hln_dir->hld_prev == hpdp) {
+		dir->hln_dir->hld_prev = hpdp->hld_prev;
+	}
+	ASSERT(hpdp->hld_next != hpdp);
+	ASSERT(hpdp->hld_prev != hpdp);
+
+	/* hpdp points to the correct directory entry */
+	namelen = strlen(hpdp->hld_name) + 1;
+
+	kmem_free(hpdp, sizeof (hldirent_t) + namelen);
+	dir->hln_size -= (sizeof (hldirent_t) + namelen);
+	dir->hln_dirents--;
+
+	gethrestime(&now);
+	dir->hln_mtime = now;
+	dir->hln_ctime = now;
+	hp->hln_ctime = now;
+
+	ASSERT(hp->hln_nlink > 0);
+	DECR_COUNT(&hp->hln_nlink, &hp->hln_tlock);
+	if (op == DR_RMDIR && hp->hln_type == VDIR) {
+		hyprlofs_dirtrunc(hp);
+		ASSERT(hp->hln_nlink == 0);
+	}
+	return (0);
+}
+
+/*
+ * hyprlofs_dirinit initializes a dir with '.' and '..' entries without
+ * checking perms and locking
+ */
+void
+hyprlofs_dirinit(
+	hlnode_t *parent,	/* parent of directory to initialize */
+	hlnode_t *dir)		/* the new directory */
+{
+	hldirent_t *dot, *dotdot;
+	timestruc_t now;
+
+	ASSERT(RW_WRITE_HELD(&parent->hln_rwlock));
+	ASSERT(dir->hln_type == VDIR);
+
+	dot = kmem_zalloc(sizeof (hldirent_t) + 2, KM_SLEEP);
+	dotdot = kmem_zalloc(sizeof (hldirent_t) + 3, KM_SLEEP);
+
+	/* Initialize the entries */
+	dot->hld_hlnode = dir;
+	dot->hld_offset = 0;
+	dot->hld_name = (char *)dot + sizeof (hldirent_t);
+	dot->hld_name[0] = '.';
+	dot->hld_parent = dir;
+	hyprlofs_hash_in(dot);
+
+	dotdot->hld_hlnode = parent;
+	dotdot->hld_offset = 1;
+	dotdot->hld_name = (char *)dotdot + sizeof (hldirent_t);
+	dotdot->hld_name[0] = '.';
+	dotdot->hld_name[1] = '.';
+	dotdot->hld_parent = dir;
+	hyprlofs_hash_in(dotdot);
+
+	/* Initialize directory entry list. */
+	dot->hld_next = dotdot;
+	dot->hld_prev = dotdot;
+	dotdot->hld_next = NULL;
+	dotdot->hld_prev = dot;
+
+	gethrestime(&now);
+	dir->hln_mtime = now;
+	dir->hln_ctime = now;
+
+	/*
+	 * Since hyprlofs_dirinit is called with both dir and parent being the
+	 * same for the root vnode, we need to increment this before we set
+	 * hln_nlink = 2 below.
+	 */
+	INCR_COUNT(&parent->hln_nlink, &parent->hln_tlock);
+	parent->hln_ctime = now;
+
+	dir->hln_dir = dot;
+	dir->hln_size = 2 * sizeof (hldirent_t) + 5; /* dot and dotdot */
+	dir->hln_dirents = 2;
+	dir->hln_nlink = 2;
+}
+
+
+/*
+ * hyprlofs_dirtrunc removes all dir entries under this dir.
+ */
+void
+hyprlofs_dirtrunc(hlnode_t *dir)
+{
+	hldirent_t *hdp;
+	hlnode_t *tp;
+	size_t namelen;
+	timestruc_t now;
+
+	ASSERT(RW_WRITE_HELD(&dir->hln_rwlock));
+	ASSERT(dir->hln_type == VDIR);
+
+	if (dir->hln_looped)
+		return;
+
+	for (hdp = dir->hln_dir; hdp; hdp = dir->hln_dir) {
+		ASSERT(hdp->hld_next != hdp);
+		ASSERT(hdp->hld_prev != hdp);
+		ASSERT(hdp->hld_hlnode);
+
+		dir->hln_dir = hdp->hld_next;
+		namelen = strlen(hdp->hld_name) + 1;
+
+		/*
+		 * Adjust the link counts to account for this dir entry removal.
+		 */
+		tp = hdp->hld_hlnode;
+
+		ASSERT(tp->hln_nlink > 0);
+		DECR_COUNT(&tp->hln_nlink, &tp->hln_tlock);
+
+		hyprlofs_hash_out(hdp);
+
+		kmem_free(hdp, sizeof (hldirent_t) + namelen);
+		dir->hln_size -= (sizeof (hldirent_t) + namelen);
+		dir->hln_dirents--;
+	}
+
+	gethrestime(&now);
+	dir->hln_mtime = now;
+	dir->hln_ctime = now;
+
+	ASSERT(dir->hln_dir == NULL);
+	ASSERT(dir->hln_size == 0);
+	ASSERT(dir->hln_dirents == 0);
+}
+
+static int
+hldiraddentry(
+    hlnode_t	*dir,	/* target directory to make entry in */
+    hlnode_t	*hp,	/* new hlnode */
+    char	*name)
+{
+	hldirent_t	*hdp, *hpdp;
+	size_t		namelen, alloc_size;
+	timestruc_t	now;
+
+	/*
+	 * Make sure the parent dir wasn't removed from underneath the caller.
+	 */
+	if (dir->hln_dir == NULL)
+		return (ENOENT);
+
+	/* Check that everything is on the same FS. */
+	if (hp->hln_vnode->v_vfsp != dir->hln_vnode->v_vfsp)
+		return (EXDEV);
+
+	/* Alloc and init dir entry */
+	namelen = strlen(name) + 1;
+	alloc_size = namelen + sizeof (hldirent_t);
+	hdp = kmem_zalloc(alloc_size, KM_NORMALPRI | KM_NOSLEEP);
+	if (hdp == NULL)
+		return (ENOSPC);
+
+	dir->hln_size += alloc_size;
+	dir->hln_dirents++;
+	hdp->hld_hlnode = hp;
+	hdp->hld_parent = dir;
+
+	/* The dir entry and its name were allocated sequentially. */
+	hdp->hld_name = (char *)hdp + sizeof (hldirent_t);
+	(void) strcpy(hdp->hld_name, name);
+
+	hyprlofs_hash_in(hdp);
+
+	/*
+	 * Some utilities expect the size of a directory to remain fairly
+	 * static.  For example, a routine which unlinks files between calls to
+	 * readdir(); the size of the dir changes from underneath it and so the
+	 * real dir offset in bytes is invalid.  To circumvent this problem, we
+	 * initialize a dir entry with a phony offset, and use this offset to
+	 * determine end of file in hyprlofs_readdir.
+	 */
+	hpdp = dir->hln_dir->hld_prev;
+	/*
+	 * Install at first empty "slot" in directory list.
+	 */
+	while (hpdp->hld_next != NULL && (hpdp->hld_next->hld_offset -
+	    hpdp->hld_offset) <= 1) {
+		ASSERT(hpdp->hld_next != hpdp);
+		ASSERT(hpdp->hld_prev != hpdp);
+		ASSERT(hpdp->hld_next->hld_offset > hpdp->hld_offset);
+		hpdp = hpdp->hld_next;
+	}
+	hdp->hld_offset = hpdp->hld_offset + 1;
+
+	/*
+	 * If we're at the end of the dirent list and the offset (which is
+	 * necessarily the largest offset in this dir) is more than twice the
+	 * number of dirents, that means the dir is 50% holes.  At this point
+	 * we reset the slot pointer back to the beginning of the dir so we
+	 * start using the holes. The idea is that if there are N dirents,
+	 * there must also be N holes, so we can satisfy the next N creates by
+	 * walking at most 2N entries; thus the average cost of a create is
+	 * constant. Note that we use the first dirent's hld_prev as the roving
+	 * slot pointer. This saves a word in every dirent.
+	 */
+	if (hpdp->hld_next == NULL && hpdp->hld_offset > 2 * dir->hln_dirents)
+		dir->hln_dir->hld_prev = dir->hln_dir->hld_next;
+	else
+		dir->hln_dir->hld_prev = hdp;
+
+	ASSERT(hpdp->hld_next != hpdp);
+	ASSERT(hpdp->hld_prev != hpdp);
+
+	hdp->hld_next = hpdp->hld_next;
+	if (hdp->hld_next) {
+		hdp->hld_next->hld_prev = hdp;
+	}
+	hdp->hld_prev = hpdp;
+	hpdp->hld_next = hdp;
+
+	ASSERT(hdp->hld_next != hdp);
+	ASSERT(hdp->hld_prev != hdp);
+	ASSERT(hpdp->hld_next != hpdp);
+	ASSERT(hpdp->hld_prev != hpdp);
+
+	gethrestime(&now);
+	dir->hln_mtime = now;
+	dir->hln_ctime = now;
+
+	return (0);
+}
+
+static int
+hldir_make_hlnode(hlnode_t *dir, hlfsmount_t *hm, vattr_t *va, enum de_op op,
+    vnode_t *realvp, hlnode_t **newnode, cred_t *cr)
+{
+	hlnode_t	*hp;
+	enum vtype	type;
+
+	ASSERT(va != NULL);
+	ASSERT(op == DE_CREATE || op == DE_MKDIR);
+	if (((va->va_mask & AT_ATIME) && TIMESPEC_OVERFLOW(&va->va_atime)) ||
+	    ((va->va_mask & AT_MTIME) && TIMESPEC_OVERFLOW(&va->va_mtime)))
+		return (EOVERFLOW);
+	type = va->va_type;
+	hp = kmem_zalloc(sizeof (hlnode_t), KM_SLEEP);
+	hyprlofs_node_init(hm, hp, va, cr);
+
+	hp->hln_vnode->v_rdev = hp->hln_rdev = NODEV;
+	hp->hln_vnode->v_type = type;
+	hp->hln_uid = crgetuid(cr);
+
+	/*
+	 * To determine the gid of the created file:
+	 *   If the directory's set-gid bit is set, set the gid to the gid
+	 *   of the parent dir, otherwise, use the process's gid.
+	 */
+	if (dir->hln_mode & VSGID)
+		hp->hln_gid = dir->hln_gid;
+	else
+		hp->hln_gid = crgetgid(cr);
+
+	/*
+	 * If we're creating a dir and the parent dir has the set-GID bit set,
+	 * set it on the new dir. Otherwise, if the user is neither privileged
+	 * nor a member of the file's new group, clear the file's set-GID bit.
+	 */
+	if (dir->hln_mode & VSGID && type == VDIR)
+		hp->hln_mode |= VSGID;
+	else {
+		if ((hp->hln_mode & VSGID) &&
+		    secpolicy_vnode_setids_setgids(cr, hp->hln_gid) != 0)
+			hp->hln_mode &= ~VSGID;
+	}
+
+	if (va->va_mask & AT_ATIME)
+		hp->hln_atime = va->va_atime;
+	if (va->va_mask & AT_MTIME)
+		hp->hln_mtime = va->va_mtime;
+
+	if (op == DE_MKDIR) {
+		hyprlofs_dirinit(dir, hp);
+		hp->hln_looped = 0;
+	} else {
+		hp->hln_realvp = realvp;
+		hp->hln_size = va->va_size;
+		hp->hln_looped = 1;
+	}
+
+	*newnode = hp;
+	return (0);
+}
diff --git a/usr/src/uts/common/fs/hyprlofs/hyprlofs_subr.c b/usr/src/uts/common/fs/hyprlofs/hyprlofs_subr.c
new file mode 100644
index 0000000000..1d857309f3
--- /dev/null
+++ b/usr/src/uts/common/fs/hyprlofs/hyprlofs_subr.c
@@ -0,0 +1,127 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ */
+
+#include <sys/types.h>
+#include <sys/errno.h>
+#include <sys/param.h>
+#include <sys/t_lock.h>
+#include <sys/systm.h>
+#include <sys/sysmacros.h>
+#include <sys/debug.h>
+#include <sys/time.h>
+#include <sys/cmn_err.h>
+#include <sys/vnode.h>
+#include <sys/stat.h>
+#include <sys/mode.h>
+#include <sys/vfs.h>
+#include <sys/cred.h>
+#include <sys/kmem.h>
+#include <sys/atomic.h>
+#include <sys/policy.h>
+#include <sys/fs/hyprlofs_info.h>
+
+#define	MODESHIFT	3
+
+/* Initialize a hlnode and add it to file list under mount point. */
+void
+hyprlofs_node_init(hlfsmount_t *hm, hlnode_t *h, vattr_t *vap, cred_t *cr)
+{
+	vnode_t *vp;
+	timestruc_t now;
+
+	ASSERT(vap != NULL);
+
+	rw_init(&h->hln_rwlock, NULL, RW_DEFAULT, NULL);
+	mutex_init(&h->hln_tlock, NULL, MUTEX_DEFAULT, NULL);
+	h->hln_mode = MAKEIMODE(vap->va_type, vap->va_mode);
+	h->hln_mask = 0;
+	h->hln_type = vap->va_type;
+	h->hln_nodeid = (ino64_t)(uint32_t)((uintptr_t)h >> 3);
+	h->hln_nlink = 1;
+	h->hln_size = 0;
+
+	if (cr == NULL) {
+		h->hln_uid = vap->va_uid;
+		h->hln_gid = vap->va_gid;
+	} else {
+		h->hln_uid = crgetuid(cr);
+		h->hln_gid = crgetgid(cr);
+	}
+
+	h->hln_fsid = hm->hlm_dev;
+	h->hln_rdev = vap->va_rdev;
+	h->hln_blksize = PAGESIZE;
+	h->hln_nblocks = 0;
+	gethrestime(&now);
+	h->hln_atime = now;
+	h->hln_mtime = now;
+	h->hln_ctime = now;
+	h->hln_seq = 0;
+	h->hln_dir = NULL;
+
+	h->hln_vnode = vn_alloc(KM_SLEEP);
+	vp = HLNTOV(h);
+	vn_setops(vp, hyprlofs_vnodeops);
+	vp->v_vfsp = hm->hlm_vfsp;
+	vp->v_type = vap->va_type;
+	vp->v_rdev = vap->va_rdev;
+	vp->v_data = (caddr_t)h;
+	mutex_enter(&hm->hlm_contents);
+	/*
+	 * Increment the pseudo generation number for this hlnode. Since
+	 * hlnodes are allocated and freed, there really is no particular
+	 * generation number for a new hlnode.  Just fake it by using a
+	 * counter in each file system.
+	 */
+	h->hln_gen = hm->hlm_gen++;
+
+	/*
+	 * Add new hlnode to end of linked list of hlnodes for this hyprlofs
+	 * Root dir is handled specially in hyprlofs_mount.
+	 */
+	if (hm->hlm_rootnode != (hlnode_t *)NULL) {
+		h->hln_forw = NULL;
+		h->hln_back = hm->hlm_rootnode->hln_back;
+		h->hln_back->hln_forw = hm->hlm_rootnode->hln_back = h;
+	}
+	mutex_exit(&hm->hlm_contents);
+	vn_exists(vp);
+}
+
+int
+hyprlofs_taccess(void *vtp, int mode, cred_t *cr)
+{
+	hlnode_t *hp = vtp;
+	int shift = 0;
+
+	/* Check access based on owner, group and public perms in hlnode. */
+	if (crgetuid(cr) != hp->hln_uid) {
+		shift += MODESHIFT;
+		if (groupmember(hp->hln_gid, cr) == 0)
+			shift += MODESHIFT;
+	}
+
+	return (secpolicy_vnode_access2(cr, HLNTOV(hp), hp->hln_uid,
+	    hp->hln_mode << shift, mode));
+}
diff --git a/usr/src/uts/common/fs/hyprlofs/hyprlofs_vfsops.c b/usr/src/uts/common/fs/hyprlofs/hyprlofs_vfsops.c
new file mode 100644
index 0000000000..c582a8cac2
--- /dev/null
+++ b/usr/src/uts/common/fs/hyprlofs/hyprlofs_vfsops.c
@@ -0,0 +1,614 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ */
+
+/*
+ * Hyperlofs is a hybrid file system combining features of the tmpfs(7FS) and
+ * lofs(7FS) file systems.  It is modeled on code from both of these file
+ * systems.
+ *
+ * The purpose is to create a high performance name space for files on which
+ * applications will compute.  Given a large number of data files with various
+ * owners, we want to construct a view onto those files such that only a subset
+ * is visible to the applications and such that the view can be changed very
+ * quickly as compute progresses.  Entries in the name space are not mounts and
+ * thus do not appear in the mnttab.  Entries in the name space are allowed to
+ * refer to files on different backing file systems.  Intermediate directories
+ * in the name space exist only in-memory, ala tmpfs.  There are no leaf nodes
+ * in the name space except for entries that refer to backing files ala lofs.
+ *
+ * The name space is managed via ioctls issued on the mounted file system and
+ * is mostly read-only for the compute applications.  That is, applications
+ * cannot create new files in the name space. If a file is unlinked by an
+ * application, that only removes the file from the name space, the backing
+ * file remains in place.  It is possible for applications to write-through to
+ * the backing files if the file system is mounted read-write.
+ *
+ * The name space is managed via the HYPRLOFS_ADD_ENTRIES, HYPRLOFS_RM_ENTRIES,
+ * and HYPRLOFS_RM_ALL ioctls on the top-level mount.
+ *
+ * The HYPRLOFS_ADD_ENTRIES ioctl specifies path(s) to the backing file(s) and
+ * the name(s) for the file(s) in the name space.  The name(s) may be path(s)
+ * which will be relative to the root of the mount and thus cannot begin with
+ * a /. If the name is a path, it does not have to correspond to any backing
+ * path. The intermediate directories will only exist in the name space. The
+ * entry(ies) will be added to the name space.
+ *
+ * The HYPRLOFS_RM_ENTRIES ioctl specifies the name(s) of the file(s) in the
+ * name space which should be removed.  The name(s) may be path(s) which will
+ * be relative to the root of the mount and thus cannot begin with a /.  The
+ * named entry(ies) will be removed.
+ *
+ * The HYPRLOFS_RM_ALL ioctl will remove all mappings from the name space.
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/sysmacros.h>
+#include <sys/kmem.h>
+#include <sys/time.h>
+#include <sys/pathname.h>
+#include <sys/vfs.h>
+#include <sys/vfs_opreg.h>
+#include <sys/vnode.h>
+#include <sys/stat.h>
+#include <sys/uio.h>
+#include <sys/stat.h>
+#include <sys/errno.h>
+#include <sys/cmn_err.h>
+#include <sys/cred.h>
+#include <sys/statvfs.h>
+#include <sys/mount.h>
+#include <sys/debug.h>
+#include <sys/systm.h>
+#include <sys/mntent.h>
+#include <fs/fs_subr.h>
+#include <vm/page.h>
+#include <vm/anon.h>
+#include <sys/model.h>
+#include <sys/policy.h>
+
+#include <sys/fs/swapnode.h>
+#include <sys/fs/hyprlofs_info.h>
+
+static int hyprlofsfstype;
+
+/*
+ * hyprlofs vfs operations.
+ */
+static int hyprlofsinit(int, char *);
+static int hyprlofs_mount(vfs_t *, vnode_t *, struct mounta *, cred_t *);
+static int hyprlofs_unmount(vfs_t *, int, cred_t *);
+static int hyprlofs_root(vfs_t *, vnode_t **);
+static int hyprlofs_statvfs(vfs_t *, struct statvfs64 *);
+static int hyprlofs_vget(vfs_t *, vnode_t **, struct fid *);
+
+/*
+ * Loadable module wrapper
+ */
+#include <sys/modctl.h>
+
+static mntopts_t hyprlofs_mntopts;
+
+static vfsdef_t vfw = {
+	VFSDEF_VERSION,
+	"hyprlofs",
+	hyprlofsinit,
+	VSW_HASPROTO|VSW_CANREMOUNT|VSW_STATS|VSW_ZMOUNT,
+	&hyprlofs_mntopts
+};
+
+static mntopts_t hyprlofs_mntopts = {
+	0, NULL
+};
+
+/*
+ * Module linkage information
+ */
+static struct modlfs modlfs = {
+	&mod_fsops, "filesystem for hyprlofs", &vfw
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1, &modlfs, NULL
+};
+
+int
+_init()
+{
+	return (mod_install(&modlinkage));
+}
+
+int
+_fini()
+{
+	int error;
+
+	error = mod_remove(&modlinkage);
+	if (error)
+		return (error);
+	/*
+	 * Tear down the operations vectors
+	 */
+	(void) vfs_freevfsops_by_type(hyprlofsfstype);
+	vn_freevnodeops(hyprlofs_vnodeops);
+	return (0);
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
+
+/*
+ * The following are patchable variables limiting the amount of system
+ * resources hyprlofs can use.
+ *
+ * hyprlofs_maxkmem limits the amount of kernel kmem_alloc memory hyprlofs can
+ * use for it's data structures (e.g. hlnodes, directory entries). It is set
+ * as a percentage of physical memory which is determined when hyprlofs is
+ * first used in the system.
+ *
+ * hyprlofs_minfree is the minimum amount of swap space that hyprlofs leaves for
+ * the rest of the system. If the amount of free swap space in the system
+ * (i.e. anoninfo.ani_free) drops below hyprlofs_minfree, hyprlofs anon
+ * allocations will fail.
+ */
+size_t hyprlofs_maxkmem = 0;
+size_t hyprlofs_minfree = 0;
+size_t hyprlofs_kmemspace;	/* bytes of kernel heap used by all hyprlofs */
+
+static major_t hyprlofs_major;
+static minor_t hyprlofs_minor;
+static kmutex_t	hyprlofs_minor_lock;
+
+/*
+ * initialize global hyprlofs locks and hashes when loading hyprlofs module
+ */
+static int
+hyprlofsinit(int fstype, char *name)
+{
+	static const fs_operation_def_t hl_vfsops_template[] = {
+		VFSNAME_MOUNT,		{ .vfs_mount = hyprlofs_mount },
+		VFSNAME_UNMOUNT,	{ .vfs_unmount = hyprlofs_unmount },
+		VFSNAME_ROOT,		{ .vfs_root = hyprlofs_root },
+		VFSNAME_STATVFS,	{ .vfs_statvfs = hyprlofs_statvfs },
+		VFSNAME_VGET,		{ .vfs_vget = hyprlofs_vget },
+		NULL,			NULL
+	};
+	int error;
+	extern  void    hyprlofs_hash_init();
+
+	hyprlofs_hash_init();
+	hyprlofsfstype = fstype;
+	ASSERT(hyprlofsfstype != 0);
+
+	error = vfs_setfsops(fstype, hl_vfsops_template, NULL);
+	if (error != 0) {
+		cmn_err(CE_WARN, "hyprlofsinit: bad vfs ops template");
+		return (error);
+	}
+
+	error = vn_make_ops(name, hyprlofs_vnodeops_template,
+	    &hyprlofs_vnodeops);
+	if (error != 0) {
+		(void) vfs_freevfsops_by_type(fstype);
+		cmn_err(CE_WARN, "hyprlofsinit: bad vnode ops template");
+		return (error);
+	}
+
+	/*
+	 * hyprlofs_minfree is an absolute limit of swap space which still
+	 * allows other processes to execute.  Set it if its not patched.
+	 */
+	if (hyprlofs_minfree == 0)
+		hyprlofs_minfree = btopr(HYPRLOFSMINFREE);
+
+	if ((hyprlofs_major = getudev()) == (major_t)-1) {
+		cmn_err(CE_WARN,
+		    "hyprlofsinit: Can't get unique device number.");
+		hyprlofs_major = 0;
+	}
+	mutex_init(&hyprlofs_minor_lock, NULL, MUTEX_DEFAULT, NULL);
+	return (0);
+}
+
+static int
+hyprlofs_mount(vfs_t *vfsp, vnode_t *mvp, struct mounta *uap, cred_t *cr)
+{
+	hlfsmount_t *hm = NULL;
+	hlnode_t *hp;
+	struct pathname dpn;
+	int error;
+	vattr_t rattr;
+	int got_attrs;
+
+	if ((error = secpolicy_fs_mount(cr, mvp, vfsp)) != 0)
+		return (error);
+	if (secpolicy_hyprlofs_control(cr) != 0)
+		return (EPERM);
+
+	if (mvp->v_type != VDIR)
+		return (ENOTDIR);
+
+	if (uap->flags & MS_REMOUNT)
+		return (EBUSY);
+
+	mutex_enter(&mvp->v_lock);
+	if ((uap->flags & MS_OVERLAY) == 0 &&
+	    (mvp->v_count != 1 || (mvp->v_flag & VROOT))) {
+		mutex_exit(&mvp->v_lock);
+		return (EBUSY);
+	}
+	mutex_exit(&mvp->v_lock);
+
+	/* Having the resource be anything but "swap" doesn't make sense. */
+	vfs_setresource(vfsp, "swap", 0);
+
+	if ((error = pn_get(uap->dir,
+	    (uap->flags & MS_SYSSPACE) ? UIO_SYSSPACE : UIO_USERSPACE,
+	    &dpn)) != 0)
+		goto out;
+
+	if ((hm = kmem_zalloc(sizeof (hlfsmount_t),
+	    KM_NORMALPRI | KM_NOSLEEP)) == NULL) {
+		pn_free(&dpn);
+		error = ENOMEM;
+		goto out;
+	}
+
+	/* Get an available minor device number for this mount */
+	mutex_enter(&hyprlofs_minor_lock);
+	do {
+		hyprlofs_minor = (hyprlofs_minor + 1) & L_MAXMIN32;
+		hm->hlm_dev = makedevice(hyprlofs_major, hyprlofs_minor);
+	} while (vfs_devismounted(hm->hlm_dev));
+	mutex_exit(&hyprlofs_minor_lock);
+
+	/*
+	 * Set but don't bother entering the mutex since hlfsmount is not on
+	 * the mount list yet.
+	 */
+	mutex_init(&hm->hlm_contents, NULL, MUTEX_DEFAULT, NULL);
+
+	hm->hlm_vfsp = vfsp;
+
+	vfsp->vfs_data = (caddr_t)hm;
+	vfsp->vfs_fstype = hyprlofsfstype;
+	vfsp->vfs_dev = hm->hlm_dev;
+	vfsp->vfs_bsize = PAGESIZE;
+	vfsp->vfs_flag |= VFS_NOTRUNC;
+	vfs_make_fsid(&vfsp->vfs_fsid, hm->hlm_dev, hyprlofsfstype);
+	hm->hlm_mntpath = kmem_zalloc(dpn.pn_pathlen + 1, KM_SLEEP);
+	(void) strcpy(hm->hlm_mntpath, dpn.pn_path);
+
+	/* allocate and initialize root hlnode structure */
+	bzero(&rattr, sizeof (vattr_t));
+	rattr.va_mode = (mode_t)(S_IFDIR | 0777);
+	rattr.va_type = VDIR;
+	rattr.va_rdev = 0;
+	hp = kmem_zalloc(sizeof (hlnode_t), KM_SLEEP);
+	hyprlofs_node_init(hm, hp, &rattr, cr);
+
+	/* Get the mode, uid, and gid from the underlying mount point. */
+	rattr.va_mask = AT_MODE|AT_UID|AT_GID;
+	got_attrs = VOP_GETATTR(mvp, &rattr, 0, cr, NULL);
+
+	rw_enter(&hp->hln_rwlock, RW_WRITER);
+	HLNTOV(hp)->v_flag |= VROOT;
+
+	/*
+	 * If the getattr succeeded, use its results, otherwise allow the
+	 * previously set defaults to prevail.
+	 */
+	if (got_attrs == 0) {
+		hp->hln_mode = rattr.va_mode;
+		hp->hln_uid = rattr.va_uid;
+		hp->hln_gid = rattr.va_gid;
+	}
+
+	/*
+	 * Initialize linked list of hlnodes so that the back pointer of the
+	 * root hlnode always points to the last one on the list and the
+	 * forward pointer of the last node is null
+	 */
+	hp->hln_back = hp;
+	hp->hln_forw = NULL;
+	hp->hln_nlink = 0;
+	hm->hlm_rootnode = hp;
+
+	hyprlofs_dirinit(hp, hp);
+
+	rw_exit(&hp->hln_rwlock);
+
+	pn_free(&dpn);
+	error = 0;
+
+out:
+	return (error);
+}
+
+static int
+hyprlofs_unmount(vfs_t *vfsp, int flag, cred_t *cr)
+{
+	hlfsmount_t *hm = (hlfsmount_t *)VFSTOHLM(vfsp);
+	hlnode_t *hnp, *cancel;
+	vnode_t	*vp;
+	int error;
+
+	if ((error = secpolicy_fs_unmount(cr, vfsp)) != 0)
+		return (error);
+	if (secpolicy_hyprlofs_control(cr) != 0)
+		return (EPERM);
+
+	/*
+	 * forced unmount is not supported by this file system
+	 * and thus, ENOTSUP, is being returned.
+	 */
+	if (flag & MS_FORCE)
+		return (ENOTSUP);
+
+	mutex_enter(&hm->hlm_contents);
+
+	/*
+	 * If there are no open files, only the root node should have a ref cnt.
+	 * With hlm_contents held, nothing can be added or removed. There may
+	 * be some dirty pages.  To prevent fsflush from disrupting the unmount,
+	 * put a hold on each node while scanning. If we find a previously
+	 * referenced node, undo the holds we have placed and fail EBUSY.
+	 */
+	hnp = hm->hlm_rootnode;
+	if (HLNTOV(hnp)->v_count > 1) {
+		mutex_exit(&hm->hlm_contents);
+		return (EBUSY);
+	}
+
+	for (hnp = hnp->hln_forw; hnp; hnp = hnp->hln_forw) {
+		if ((vp = HLNTOV(hnp))->v_count > 0) {
+			cancel = hm->hlm_rootnode->hln_forw;
+			while (cancel != hnp) {
+				vp = HLNTOV(cancel);
+				ASSERT(vp->v_count > 0);
+				VN_RELE(vp);
+				cancel = cancel->hln_forw;
+			}
+			mutex_exit(&hm->hlm_contents);
+			return (EBUSY);
+		}
+		VN_HOLD(vp);
+	}
+
+	/* We can drop the mutex now because no one can find this mount */
+	mutex_exit(&hm->hlm_contents);
+
+	/*
+	 * Free all alloc'd memory associated with this FS. To do this, we go
+	 * through the file list twice, once to remove all the dir entries, and
+	 * then to remove all the files.
+	 */
+
+	/* Remove all directory entries */
+	for (hnp = hm->hlm_rootnode; hnp; hnp = hnp->hln_forw) {
+		rw_enter(&hnp->hln_rwlock, RW_WRITER);
+		if (hnp->hln_type == VDIR)
+			hyprlofs_dirtrunc(hnp);
+		rw_exit(&hnp->hln_rwlock);
+	}
+
+	ASSERT(hm->hlm_rootnode);
+
+	/*
+	 * All links are gone, v_count is keeping nodes in place. VN_RELE
+	 * should make the node disappear, unless somebody is holding pages
+	 * against it.  Wait and retry until it disappears.
+	 *
+	 * We re-acquire the lock to prevent others who have a HOLD on a hlnode
+	 * from blowing it away (in hyprlofs_inactive) while we're trying to
+	 * get to it here. Once we have a HOLD on it we know it'll stick around.
+	 */
+	mutex_enter(&hm->hlm_contents);
+
+	/* Remove all the files (except the rootnode) backwards. */
+	while ((hnp = hm->hlm_rootnode->hln_back) != hm->hlm_rootnode) {
+		mutex_exit(&hm->hlm_contents);
+		/* Note we handled the link count in pass 2 above. */
+		vp = HLNTOV(hnp);
+		VN_RELE(vp);
+		mutex_enter(&hm->hlm_contents);
+		/*
+		 * It's still there after the RELE. Someone else like pageout
+		 * has a hold on it so wait a bit and then try again.
+		 */
+		if (hnp == hm->hlm_rootnode->hln_back) {
+			VN_HOLD(vp);
+			mutex_exit(&hm->hlm_contents);
+			delay(hz / 4);
+			mutex_enter(&hm->hlm_contents);
+		}
+	}
+	mutex_exit(&hm->hlm_contents);
+
+	VN_RELE(HLNTOV(hm->hlm_rootnode));
+
+	ASSERT(hm->hlm_mntpath);
+
+	kmem_free(hm->hlm_mntpath, strlen(hm->hlm_mntpath) + 1);
+
+	mutex_destroy(&hm->hlm_contents);
+	kmem_free(hm, sizeof (hlfsmount_t));
+
+	return (0);
+}
+
+/* Return root hlnode for given vnode */
+static int
+hyprlofs_root(vfs_t *vfsp, vnode_t **vpp)
+{
+	hlfsmount_t *hm = (hlfsmount_t *)VFSTOHLM(vfsp);
+	hlnode_t *hp = hm->hlm_rootnode;
+	vnode_t *vp;
+
+	ASSERT(hp);
+
+	vp = HLNTOV(hp);
+	VN_HOLD(vp);
+	*vpp = vp;
+	return (0);
+}
+
+static int
+hyprlofs_statvfs(vfs_t *vfsp, struct statvfs64 *sbp)
+{
+	hlfsmount_t *hm = (hlfsmount_t *)VFSTOHLM(vfsp);
+	ulong_t	blocks;
+	dev32_t d32;
+	zoneid_t eff_zid;
+	struct zone *zp;
+
+	/*
+	 * The FS may have been mounted by the GZ on behalf of the NGZ.  In
+	 * that case, the hlfsmount zone_id will be the global zone.  We want
+	 * to show the swap cap inside the zone in this case, even though the
+	 * FS was mounted by the GZ.
+	 */
+	if (curproc->p_zone->zone_id != GLOBAL_ZONEUNIQID)
+		zp = curproc->p_zone;
+	else
+		zp = hm->hlm_vfsp->vfs_zone;
+
+	if (zp == NULL)
+		eff_zid = GLOBAL_ZONEUNIQID;
+	else
+		eff_zid = zp->zone_id;
+
+	sbp->f_bsize = PAGESIZE;
+	sbp->f_frsize = PAGESIZE;
+
+	/*
+	 * Find the amount of available physical and memory swap
+	 */
+	mutex_enter(&anoninfo_lock);
+	ASSERT(k_anoninfo.ani_max >= k_anoninfo.ani_phys_resv);
+	blocks = (ulong_t)CURRENT_TOTAL_AVAILABLE_SWAP;
+	mutex_exit(&anoninfo_lock);
+
+	if (blocks > hyprlofs_minfree)
+		sbp->f_bfree = blocks - hyprlofs_minfree;
+	else
+		sbp->f_bfree = 0;
+
+	sbp->f_bavail = sbp->f_bfree;
+
+	/*
+	 * Total number of blocks is what's available plus what's been used
+	 */
+	sbp->f_blocks = (fsblkcnt64_t)(sbp->f_bfree);
+
+	if (eff_zid != GLOBAL_ZONEUNIQID &&
+	    zp->zone_max_swap_ctl != UINT64_MAX) {
+		/*
+		 * If the fs is used by a NGZ with a swap cap, then report the
+		 * capped size.
+		 */
+		rctl_qty_t cap, used;
+		pgcnt_t pgcap, pgused;
+
+		mutex_enter(&zp->zone_mem_lock);
+		cap = zp->zone_max_swap_ctl;
+		used = zp->zone_max_swap;
+		mutex_exit(&zp->zone_mem_lock);
+
+		pgcap = btop(cap);
+		pgused = btop(used);
+
+		sbp->f_bfree = MIN(pgcap - pgused, sbp->f_bfree);
+		sbp->f_bavail = sbp->f_bfree;
+		sbp->f_blocks = MIN(pgcap, sbp->f_blocks);
+	}
+
+	/*
+	 * This is fairly inaccurate since it doesn't take into account the
+	 * names stored in the directory entries.
+	 */
+	sbp->f_ffree = sbp->f_files = ptob(availrmem) /
+	    (sizeof (hlnode_t) + sizeof (hldirent_t));
+
+	sbp->f_favail = (fsfilcnt64_t)(sbp->f_ffree);
+	(void) cmpldev(&d32, vfsp->vfs_dev);
+	sbp->f_fsid = d32;
+	(void) strcpy(sbp->f_basetype, vfssw[hyprlofsfstype].vsw_name);
+	(void) strncpy(sbp->f_fstr, hm->hlm_mntpath, sizeof (sbp->f_fstr));
+	/*
+	 * ensure null termination
+	 */
+	sbp->f_fstr[sizeof (sbp->f_fstr) - 1] = '\0';
+	sbp->f_flag = vf_to_stf(vfsp->vfs_flag);
+	sbp->f_namemax = MAXNAMELEN - 1;
+	return (0);
+}
+
+static int
+hyprlofs_vget(vfs_t *vfsp, vnode_t **vpp, struct fid *fidp)
+{
+	hlfid_t *hfid;
+	hlfsmount_t *hm = (hlfsmount_t *)VFSTOHLM(vfsp);
+	hlnode_t *hp = NULL;
+
+	hfid = (hlfid_t *)fidp;
+	*vpp = NULL;
+
+	mutex_enter(&hm->hlm_contents);
+	for (hp = hm->hlm_rootnode; hp; hp = hp->hln_forw) {
+		mutex_enter(&hp->hln_tlock);
+		if (hp->hln_nodeid == hfid->hlfid_ino) {
+			/*
+			 * If the gen numbers don't match we know the file
+			 * won't be found since only one hlnode can have this
+			 * number at a time.
+			 */
+			if (hp->hln_gen != hfid->hlfid_gen ||
+			    hp->hln_nlink == 0) {
+				mutex_exit(&hp->hln_tlock);
+				mutex_exit(&hm->hlm_contents);
+				return (0);
+			}
+			*vpp = (vnode_t *)HLNTOV(hp);
+
+			VN_HOLD(*vpp);
+
+			if ((hp->hln_mode & S_ISVTX) &&
+			    !(hp->hln_mode & (S_IXUSR | S_IFDIR))) {
+				mutex_enter(&(*vpp)->v_lock);
+				(*vpp)->v_flag |= VISSWAP;
+				mutex_exit(&(*vpp)->v_lock);
+			}
+			mutex_exit(&hp->hln_tlock);
+			mutex_exit(&hm->hlm_contents);
+			return (0);
+		}
+		mutex_exit(&hp->hln_tlock);
+	}
+	mutex_exit(&hm->hlm_contents);
+	return (0);
+}
diff --git a/usr/src/uts/common/fs/hyprlofs/hyprlofs_vnops.c b/usr/src/uts/common/fs/hyprlofs/hyprlofs_vnops.c
new file mode 100644
index 0000000000..2ca44a841d
--- /dev/null
+++ b/usr/src/uts/common/fs/hyprlofs/hyprlofs_vnops.c
@@ -0,0 +1,1441 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/t_lock.h>
+#include <sys/systm.h>
+#include <sys/sysmacros.h>
+#include <sys/user.h>
+#include <sys/time.h>
+#include <sys/vfs.h>
+#include <sys/vfs_opreg.h>
+#include <sys/vnode.h>
+#include <sys/file.h>
+#include <sys/fcntl.h>
+#include <sys/flock.h>
+#include <sys/kmem.h>
+#include <sys/errno.h>
+#include <sys/stat.h>
+#include <sys/cred.h>
+#include <sys/dirent.h>
+#include <sys/pathname.h>
+#include <sys/fs/hyprlofs.h>
+#include <sys/fs/hyprlofs_info.h>
+#include <sys/mman.h>
+#include <vm/pvn.h>
+#include <sys/cmn_err.h>
+#include <sys/buf.h>
+#include <sys/policy.h>
+#include <fs/fs_subr.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+
+static int hyprlofs_add_entry(vnode_t *, char *, char *, cred_t *,
+		caller_context_t *);
+static int hyprlofs_rm_entry(vnode_t *, char *, cred_t *, caller_context_t *,
+		int);
+static int hyprlofs_rm_all(vnode_t *, cred_t *, caller_context_t *, int);
+static int hyprlofs_remove(vnode_t *, char *, cred_t *, caller_context_t *,
+		int);
+static int hyprlofs_get_all(vnode_t *, intptr_t, cred_t *, caller_context_t *,
+		int);
+
+/*
+ * This is a somewhat arbitrary upper limit on the number of entries we can
+ * pass in on a single add/rm ioctl call.  This is only used to validate that
+ * the input list looks sane.
+ */
+#define	MAX_IOCTL_PARAMS	100000
+
+static int
+hyprlofs_open(vnode_t **vpp, int flag, cred_t *cr, caller_context_t *ct)
+{
+	vnode_t *rvp;
+	int error;
+
+	rvp = REALVP(*vpp);
+
+	if (VTOHLN(*vpp)->hln_looped == 0)
+		return (0);
+
+	/*
+	 * looped back, pass through to real vnode. Need to hold new reference
+	 * to vp since VOP_OPEN() may decide to release it.
+	 */
+	VN_HOLD(rvp);
+	error = VOP_OPEN(&rvp, flag, cr, ct);
+	ASSERT(rvp->v_count > 1);
+	VN_RELE(rvp);
+
+	return (error);
+}
+
+static int
+hyprlofs_close(vnode_t *vp, int flag, int count, offset_t offset, cred_t *cr,
+    caller_context_t *ct)
+{
+	if (VTOHLN(vp)->hln_looped == 0) {
+		cleanlocks(vp, ttoproc(curthread)->p_pid, 0);
+		cleanshares(vp, ttoproc(curthread)->p_pid);
+		return (0);
+	}
+
+	return (VOP_CLOSE(REALVP(vp), flag, count, offset, cr, ct));
+}
+
+static int
+hyprlofs_read(vnode_t *vp, struct uio *uiop, int ioflag, cred_t *cr,
+    caller_context_t *ct)
+{
+	if (vp->v_type == VDIR)
+		return (EISDIR);
+	return (VOP_READ(REALVP(vp), uiop, ioflag, cr, ct));
+}
+
+static int
+hyprlofs_write(vnode_t *vp, struct uio *uiop, int ioflag, cred_t *cr,
+    caller_context_t *ct)
+{
+	/* We don't support writing to non-regular files */
+	if (vp->v_type != VREG)
+		return (EINVAL);
+
+	if (vn_is_readonly(vp))
+		return (EROFS);
+
+	return (VOP_WRITE(REALVP(vp), uiop, ioflag, cr, ct));
+}
+
+/* ARGSUSED */
+static int
+hyprlofs_ioctl(vnode_t *vp, int cmd, intptr_t data, int flag,
+    cred_t *cr, int *rvalp, caller_context_t *ct)
+{
+	int len, cnt, error;
+	int i;
+	model_t model;
+	char path[MAXPATHLEN];
+	char nm[MAXPATHLEN];
+
+	/* We only support the hyprlofs ioctls on the root vnode */
+	if (!(vp->v_flag & VROOT))
+		return (ENOTTY);
+
+	/*
+	 * Check if managing hyprlofs is allowed.
+	 */
+	if (secpolicy_hyprlofs_control(cr) != 0)
+		return (EPERM);
+
+	if (cmd == HYPRLOFS_ADD_ENTRIES || cmd == HYPRLOFS_RM_ENTRIES) {
+		model = get_udatamodel();
+
+		if (model == DATAMODEL_NATIVE) {
+			hyprlofs_entries_t ebuf;
+			hyprlofs_entry_t *e;
+
+			if (copyin((void *)data, &ebuf, sizeof (ebuf)))
+				return (EFAULT);
+			cnt = ebuf.hle_len;
+			if (cnt > MAX_IOCTL_PARAMS)
+				return (EINVAL);
+			len = sizeof (hyprlofs_entry_t) * cnt;
+
+			e = kmem_alloc(len, KM_SLEEP);
+			if (copyin((void *)(ebuf.hle_entries), e, len)) {
+				kmem_free(e, len);
+				return (EFAULT);
+			}
+
+			for (i = 0; i < cnt; i++) {
+				if (e[i].hle_nlen == 0 ||
+				    e[i].hle_nlen > MAXPATHLEN)
+					return (EINVAL);
+
+				if (copyin(e[i].hle_name, nm, e[i].hle_nlen)
+				    != 0) {
+					kmem_free(e, len);
+					return (EFAULT);
+				}
+				nm[e[i].hle_nlen] = '\0';
+
+				if (cmd == HYPRLOFS_ADD_ENTRIES) {
+					if (e[i].hle_plen == 0 ||
+					    e[i].hle_plen > MAXPATHLEN)
+						return (EINVAL);
+
+					if (copyin(e[i].hle_path, path,
+					    e[i].hle_plen) != 0) {
+						kmem_free(e, len);
+						return (EFAULT);
+					}
+					path[e[i].hle_plen] = '\0';
+
+					if ((error = hyprlofs_add_entry(vp,
+					    path, nm, cr, ct)) != 0) {
+						kmem_free(e, len);
+						return (error);
+					}
+				} else {
+					if ((error = hyprlofs_rm_entry(vp, nm,
+					    cr, ct, flag)) != 0) {
+						kmem_free(e, len);
+						return (error);
+					}
+				}
+			}
+
+			kmem_free(e, len);
+			return (0);
+
+		} else {
+			hyprlofs_entries32_t ebuf32;
+			hyprlofs_entry32_t *e32;
+
+			if (copyin((void *)data, &ebuf32, sizeof (ebuf32)))
+				return (EFAULT);
+
+			cnt = ebuf32.hle_len;
+			if (cnt > MAX_IOCTL_PARAMS)
+				return (EINVAL);
+			len = sizeof (hyprlofs_entry32_t) * cnt;
+
+			e32 = kmem_alloc(len, KM_SLEEP);
+			if (copyin((void *)(unsigned long)(ebuf32.hle_entries),
+			    e32, len)) {
+				kmem_free(e32, len);
+				return (EFAULT);
+			}
+
+			for (i = 0; i < cnt; i++) {
+				if (e32[i].hle_nlen == 0 ||
+				    e32[i].hle_nlen > MAXPATHLEN)
+					return (EINVAL);
+
+				if (copyin((void *)(unsigned long)
+				    e32[i].hle_name, nm,
+				    e32[i].hle_nlen) != 0) {
+					kmem_free(e32, len);
+					return (EFAULT);
+				}
+				nm[e32[i].hle_nlen] = '\0';
+
+				if (cmd == HYPRLOFS_ADD_ENTRIES) {
+					if (e32[i].hle_plen == 0 ||
+					    e32[i].hle_plen > MAXPATHLEN)
+						return (EINVAL);
+
+					if (copyin((void *)(unsigned long)
+					    e32[i].hle_path, path,
+					    e32[i].hle_plen) != 0) {
+						kmem_free(e32, len);
+						return (EFAULT);
+					}
+					path[e32[i].hle_plen] = '\0';
+
+					if ((error = hyprlofs_add_entry(vp,
+					    path, nm, cr, ct)) != 0) {
+						kmem_free(e32, len);
+						return (error);
+					}
+				} else {
+					if ((error = hyprlofs_rm_entry(vp, nm,
+					    cr, ct, flag)) != 0) {
+						kmem_free(e32, len);
+						return (error);
+					}
+				}
+			}
+
+			kmem_free(e32, len);
+			return (0);
+		}
+	}
+
+	if (cmd == HYPRLOFS_RM_ALL) {
+		return (hyprlofs_rm_all(vp, cr, ct, flag));
+	}
+
+	if (cmd == HYPRLOFS_GET_ENTRIES) {
+		return (hyprlofs_get_all(vp, data, cr, ct, flag));
+	}
+
+	return (ENOTTY);
+}
+
+static int
+hyprlofs_getattr(vnode_t *vp, vattr_t *vap, int flags, cred_t *cr,
+    caller_context_t *ct)
+{
+	hlnode_t *tp = (hlnode_t *)VTOHLN(vp);
+	vattr_t tmp_va;
+
+	if (tp->hln_looped == 1) {
+		int error;
+
+		if ((error = VOP_GETATTR(REALVP(vp), &tmp_va, flags, cr,
+		    ct)) != 0)
+			return (error);
+	}
+
+	mutex_enter(&tp->hln_tlock);
+	vap->va_type = vp->v_type;
+	vap->va_mode = tp->hln_mode & MODEMASK;
+	vap->va_uid = tp->hln_uid;
+	vap->va_gid = tp->hln_gid;
+	vap->va_fsid = tp->hln_fsid;
+	vap->va_nodeid = (ino64_t)tp->hln_nodeid;
+	vap->va_nlink = tp->hln_nlink;
+	vap->va_size = (u_offset_t)tp->hln_size;
+	vap->va_atime = tp->hln_atime;
+	vap->va_mtime = tp->hln_mtime;
+	vap->va_ctime = tp->hln_ctime;
+	vap->va_blksize = PAGESIZE;
+	vap->va_rdev = tp->hln_rdev;
+	vap->va_seq = tp->hln_seq;
+
+	if (tp->hln_looped == 1) {
+		vap->va_nblocks = tmp_va.va_nblocks;
+	} else {
+		vap->va_nblocks =
+		    (fsblkcnt64_t)btodb(ptob(btopr(vap->va_size)));
+	}
+	mutex_exit(&tp->hln_tlock);
+	return (0);
+}
+
+/*ARGSUSED4*/
+static int
+hyprlofs_setattr(vnode_t *vp, vattr_t *vap, int flags,
+    cred_t *cr, caller_context_t *ct)
+{
+	hlnode_t *tp = (hlnode_t *)VTOHLN(vp);
+	int error = 0;
+	vattr_t *get;
+	long mask;
+
+	/*
+	 * Cannot set these attributes
+	 */
+	if ((vap->va_mask & AT_NOSET) || (vap->va_mask & AT_XVATTR))
+		return (EINVAL);
+
+	mutex_enter(&tp->hln_tlock);
+
+	get = &tp->hln_attr;
+	/*
+	 * Change file access modes. Must be owner or have sufficient
+	 * privileges.
+	 */
+	error = secpolicy_vnode_setattr(cr, vp, vap, get, flags,
+	    hyprlofs_taccess, tp);
+
+	if (error)
+		goto out;
+
+	mask = vap->va_mask;
+
+	if (mask & AT_MODE) {
+		get->va_mode &= S_IFMT;
+		get->va_mode |= vap->va_mode & ~S_IFMT;
+	}
+
+	if (mask & AT_UID)
+		get->va_uid = vap->va_uid;
+	if (mask & AT_GID)
+		get->va_gid = vap->va_gid;
+	if (mask & AT_ATIME)
+		get->va_atime = vap->va_atime;
+	if (mask & AT_MTIME)
+		get->va_mtime = vap->va_mtime;
+
+	if (mask & (AT_UID | AT_GID | AT_MODE | AT_MTIME))
+		gethrestime(&tp->hln_ctime);
+
+out:
+	mutex_exit(&tp->hln_tlock);
+	return (error);
+}
+
+static int
+hyprlofs_access(vnode_t *vp, int mode, int flags, cred_t *cr,
+    caller_context_t *ct)
+{
+	hlnode_t *tp = (hlnode_t *)VTOHLN(vp);
+	int error;
+
+	if (mode & VWRITE) {
+		if (vp->v_type == VREG && vn_is_readonly(vp))
+			return (EROFS);
+	}
+	if (VTOHLN(vp)->hln_looped == 1)
+		return (VOP_ACCESS(REALVP(vp), mode, flags, cr, ct));
+
+	mutex_enter(&tp->hln_tlock);
+	error = hyprlofs_taccess(tp, mode, cr);
+	mutex_exit(&tp->hln_tlock);
+	return (error);
+}
+
+/* ARGSUSED3 */
+static int
+hyprlofs_lookup(vnode_t *dvp, char *nm, vnode_t **vpp, struct pathname *pnp,
+    int flags, vnode_t *rdir, cred_t *cr, caller_context_t *ct,
+    int *direntflags, pathname_t *realpnp)
+{
+	hlnode_t *tp = (hlnode_t *)VTOHLN(dvp);
+	hlnode_t *ntp = NULL;
+	int error;
+
+	if (VTOHLN(dvp)->hln_looped == 1)
+		return (VOP_LOOKUP(REALVP(dvp), nm, vpp, pnp, flags, rdir,
+		    cr, ct, direntflags, realpnp));
+
+	if (flags & LOOKUP_XATTR)
+		return (EINVAL);
+
+	/* Null component name is a synonym for directory being searched. */
+	if (*nm == '\0') {
+		VN_HOLD(dvp);
+		*vpp = dvp;
+		return (0);
+	}
+	ASSERT(tp);
+
+	if ((error = hyprlofs_dirlookup(tp, nm, &ntp, cr)) == 0) {
+		ASSERT(ntp);
+		*vpp = HLNTOV(ntp);
+	}
+	return (error);
+}
+
+/*
+ * Create the loopback from the hyprlofs vnode to the real vnode.
+ */
+static int
+hyprlofs_loopback(vnode_t *dvp, vnode_t *rvp, char *nm, vattr_t *vap,
+    int mode, cred_t *cr, caller_context_t *ct)
+{
+	hlnode_t *parent;
+	hlfsmount_t *tm;
+	int error;
+	hlnode_t *oldtp;
+	vnode_t *vp;
+
+	parent = (hlnode_t *)VTOHLN(dvp);
+	tm = (hlfsmount_t *)VTOHLM(dvp);
+	error = 0;
+	oldtp = NULL;
+
+	if (vap->va_type == VREG && (vap->va_mode & VSVTX)) {
+		/* we don't support the sticky bit */
+		vap->va_mode &= ~VSVTX;
+	} else if (vap->va_type == VNON) {
+		return (EINVAL);
+	}
+
+	/* Null component name is a synonym for directory being searched. */
+	if (*nm == '\0') {
+		VN_HOLD(dvp);
+		oldtp = parent;
+	} else {
+		error = hyprlofs_dirlookup(parent, nm, &oldtp, cr);
+	}
+
+	if (error == 0) {	/* name found */
+		ASSERT(oldtp);
+
+		rw_enter(&oldtp->hln_rwlock, RW_WRITER);
+
+		/*
+		 * if create/read-only an existing directory, allow it
+		 */
+		if ((oldtp->hln_type == VDIR) && (mode & VWRITE))
+			error = EISDIR;
+		else {
+			error = hyprlofs_taccess(oldtp, mode, cr);
+		}
+
+		if (error) {
+			rw_exit(&oldtp->hln_rwlock);
+			hlnode_rele(oldtp);
+			return (error);
+		}
+
+		vp = HLNTOV(oldtp);
+		rw_exit(&oldtp->hln_rwlock);
+
+		if (vp->v_type == VREG) {
+			hlnode_rele(oldtp);
+			return (EEXIST);
+		}
+
+		vnevent_create(vp, ct);
+		return (0);
+	}
+
+	if (error != ENOENT)
+		return (error);
+
+	rw_enter(&parent->hln_rwlock, RW_WRITER);
+	error = hyprlofs_direnter(tm, parent, nm, DE_CREATE, rvp, vap, NULL,
+	    cr);
+	rw_exit(&parent->hln_rwlock);
+
+	return (error);
+}
+
+/*
+ * Create an in-memory directory based on the add-entry ioctl name.
+ * If the dir exists, return EEXIST but still also return node in vpp.
+ */
+static int
+hyprlofs_mkdir(vnode_t *dvp, char *nm, vattr_t *va, vnode_t **vpp, cred_t *cr)
+{
+	hlnode_t *parent = (hlnode_t *)VTOHLN(dvp);
+	hlnode_t *self = NULL;
+	hlfsmount_t *tm = (hlfsmount_t *)VTOHLM(dvp);
+	int error;
+
+	/*
+	 * Might be dangling directory.  Catch it here, because a ENOENT return
+	 * from hyprlofs_dirlookup() is a valid return.
+	 */
+	if (parent->hln_nlink == 0)
+		return (ENOENT);
+
+	error = hyprlofs_dirlookup(parent, nm, &self, cr);
+	if (error == 0) {
+		ASSERT(self);
+		hlnode_rele(self);
+		/* We can't loop in under a looped in directory */
+		if (self->hln_looped)
+			return (EACCES);
+		*vpp = HLNTOV(self);
+		return (EEXIST);
+	}
+	if (error != ENOENT)
+		return (error);
+
+	rw_enter(&parent->hln_rwlock, RW_WRITER);
+	error = hyprlofs_direnter(tm, parent, nm, DE_MKDIR, (vnode_t *)NULL,
+	    va, &self, cr);
+	rw_exit(&parent->hln_rwlock);
+
+	if (error == 0 || error == EEXIST) {
+		hlnode_rele(self);
+		*vpp = HLNTOV(self);
+	}
+
+	return (error);
+}
+
+/*
+ * Loop in a file or directory into the namespace.
+ */
+static int
+hyprlofs_add_entry(vnode_t *vp, char *fspath, char *fsname,
+    cred_t *cr, caller_context_t *ct)
+{
+	int error;
+	char *p, *pnm;
+	vnode_t *realvp, *dvp;
+	vattr_t va;
+
+	/*
+	 * Get vnode for the real file/dir. We'll have a hold on realvp which
+	 * we won't vn_rele until hyprlofs_inactive.
+	 */
+	if ((error = lookupname(fspath, UIO_SYSSPACE, FOLLOW, NULLVPP,
+	    &realvp)) != 0)
+		return (error);
+
+	/* no devices allowed */
+	if (IS_DEVVP(realvp)) {
+		VN_RELE(realvp);
+		return (ENODEV);
+	}
+
+	/*
+	 * realvp may be an AUTOFS node, in which case we perform a VOP_ACCESS
+	 * to trigger the mount of the intended filesystem. This causes a
+	 * loopback mount of the intended filesystem instead of the AUTOFS
+	 * filesystem.
+	 */
+	if ((error = VOP_ACCESS(realvp, 0, 0, cr, NULL)) != 0) {
+		VN_RELE(realvp);
+		return (error);
+	}
+
+	/*
+	 * We're interested in the top most filesystem. This is specially
+	 * important when fspath is a trigger AUTOFS node, since we're really
+	 * interested in mounting the filesystem AUTOFS mounted as result of
+	 * the VOP_ACCESS() call not the AUTOFS node itself.
+	 */
+	if (vn_mountedvfs(realvp) != NULL) {
+		if ((error = traverse(&realvp)) != 0) {
+			VN_RELE(realvp);
+			return (error);
+		}
+	}
+
+	va.va_type = VNON;
+	/*
+	 * If the target name is a path, make sure we have all of the
+	 * intermediate directories, creating them if necessary.
+	 */
+	dvp = vp;
+	pnm = p = fsname;
+
+	/* path cannot be absolute */
+	if (*p == '/') {
+		VN_RELE(realvp);
+		return (EINVAL);
+	}
+
+	for (p = strchr(pnm, '/'); p != NULL; p = strchr(pnm, '/')) {
+		if (va.va_type == VNON)
+			/* use the top-level dir as the template va for mkdir */
+			if ((error = VOP_GETATTR(vp, &va, 0, cr, NULL)) != 0) {
+				VN_RELE(realvp);
+				return (error);
+			}
+
+		*p = '\0';
+
+		/* Path component cannot be empty or relative */
+		if (pnm[0] == '\0' ||
+		    (pnm[0] == '.' && pnm[1] == '.' && pnm[2] == '\0')) {
+			VN_RELE(realvp);
+			return (EINVAL);
+		}
+
+		if ((error = hyprlofs_mkdir(dvp, pnm, &va, &dvp, cr)) != 0 &&
+		    error != EEXIST) {
+			VN_RELE(realvp);
+			return (error);
+		}
+
+		*p = '/';
+		pnm = p + 1;
+	}
+
+	/* The file name is required */
+	if (pnm[0] == '\0') {
+		VN_RELE(realvp);
+		return (EINVAL);
+	}
+
+	/* Now use the real file's va as the template va */
+	if ((error = VOP_GETATTR(realvp, &va, 0, cr, NULL)) != 0) {
+		VN_RELE(realvp);
+		return (error);
+	}
+
+	/* Make the vnode */
+	error = hyprlofs_loopback(dvp, realvp, pnm, &va, va.va_mode, cr, ct);
+	if (error != 0)
+		VN_RELE(realvp);
+	return (error);
+}
+
+/*
+ * Remove a looped in file from the namespace.
+ */
+static int
+hyprlofs_rm_entry(vnode_t *dvp, char *fsname, cred_t *cr, caller_context_t *ct,
+    int flags)
+{
+	int error;
+	char *p, *pnm;
+	hlnode_t *parent;
+	hlnode_t *fndtp;
+
+	pnm = p = fsname;
+
+	/* path cannot be absolute */
+	if (*p == '/')
+		return (EINVAL);
+
+	/*
+	 * If the target name is a path, get the containing dir and simple
+	 * file name.
+	 */
+	parent = (hlnode_t *)VTOHLN(dvp);
+	for (p = strchr(pnm, '/'); p != NULL; p = strchr(pnm, '/')) {
+		*p = '\0';
+
+		/* Path component cannot be empty or relative */
+		if (pnm[0] == '\0' ||
+		    (pnm[0] == '.' && pnm[1] == '.' && pnm[2] == '\0'))
+			return (EINVAL);
+
+		if ((error = hyprlofs_dirlookup(parent, pnm, &fndtp, cr)) != 0)
+			return (error);
+
+		dvp = HLNTOV(fndtp);
+		parent = fndtp;
+		pnm = p + 1;
+	}
+
+	/* The file name is required */
+	if (pnm[0] == '\0')
+		return (EINVAL);
+
+	/* Remove the entry from the parent dir */
+	return (hyprlofs_remove(dvp, pnm, cr, ct, flags));
+}
+
+/*
+ * Remove all looped in files from the namespace.
+ */
+static int
+hyprlofs_rm_all(vnode_t *dvp, cred_t *cr, caller_context_t *ct,
+    int flags)
+{
+	int error = 0;
+	hlnode_t *hp = (hlnode_t *)VTOHLN(dvp);
+	hldirent_t *hdp;
+
+	hlnode_hold(hp);
+
+	/*
+	 * There's a window here where someone could have removed
+	 * all the entries in the directory after we put a hold on the
+	 * vnode but before we grabbed the rwlock.  Just return.
+	 */
+	if (hp->hln_dir == NULL) {
+		if (hp->hln_nlink) {
+			panic("empty directory 0x%p", (void *)hp);
+			/*NOTREACHED*/
+		}
+		goto done;
+	}
+
+	hdp = hp->hln_dir;
+	while (hdp) {
+		hlnode_t *fndhp;
+
+		if (strcmp(hdp->hld_name, ".") == 0 ||
+		    strcmp(hdp->hld_name, "..") == 0) {
+			hdp = hdp->hld_next;
+			continue;
+		}
+
+		/* This holds the fndhp vnode */
+		error = hyprlofs_dirlookup(hp, hdp->hld_name, &fndhp, cr);
+		if (error != 0)
+			goto done;
+		hlnode_rele(fndhp);
+
+		if (fndhp->hln_looped == 0) {
+			/* recursively remove contents of this subdir */
+			if (fndhp->hln_type == VDIR) {
+				vnode_t *tvp = HLNTOV(fndhp);
+
+				error = hyprlofs_rm_all(tvp, cr, ct, flags);
+				if (error != 0)
+					goto done;
+			}
+		}
+
+		/* remove the entry */
+		error = hyprlofs_remove(dvp, hdp->hld_name, cr, ct, flags);
+		if (error != 0)
+			goto done;
+
+		hdp = hp->hln_dir;
+	}
+
+done:
+	hlnode_rele(hp);
+	return (error);
+}
+
+/*
+ * Get a list of all looped in files in the namespace.
+ */
+static int
+hyprlofs_get_all_entries(vnode_t *dvp, hyprlofs_curr_entry_t *hcp,
+    char *prefix, int *pcnt, int n_max,
+    cred_t *cr, caller_context_t *ct, int flags)
+{
+	int error = 0;
+	int too_big = 0;
+	int cnt;
+	int len;
+	hlnode_t *hp = (hlnode_t *)VTOHLN(dvp);
+	hldirent_t *hdp;
+	char *path;
+
+	cnt = *pcnt;
+	path = kmem_alloc(MAXPATHLEN, KM_SLEEP);
+
+	hlnode_hold(hp);
+
+	/*
+	 * There's a window here where someone could have removed
+	 * all the entries in the directory after we put a hold on the
+	 * vnode but before we grabbed the rwlock.  Just return.
+	 */
+	if (hp->hln_dir == NULL) {
+		if (hp->hln_nlink) {
+			panic("empty directory 0x%p", (void *)hp);
+			/*NOTREACHED*/
+		}
+		goto done;
+	}
+
+	hdp = hp->hln_dir;
+	while (hdp) {
+		hlnode_t *fndhp;
+		vnode_t *tvp;
+
+		if (strcmp(hdp->hld_name, ".") == 0 ||
+		    strcmp(hdp->hld_name, "..") == 0) {
+			hdp = hdp->hld_next;
+			continue;
+		}
+
+		/* This holds the fndhp vnode */
+		error = hyprlofs_dirlookup(hp, hdp->hld_name, &fndhp, cr);
+		if (error != 0)
+			goto done;
+		hlnode_rele(fndhp);
+
+		if (fndhp->hln_looped == 0) {
+			/* recursively get contents of this subdir */
+			VERIFY(fndhp->hln_type == VDIR);
+			tvp = HLNTOV(fndhp);
+
+			if (*prefix == '\0')
+				(void) strlcpy(path, hdp->hld_name, MAXPATHLEN);
+			else
+				(void) snprintf(path, MAXPATHLEN, "%s/%s",
+				    prefix, hdp->hld_name);
+
+			error = hyprlofs_get_all_entries(tvp, hcp, path,
+			    &cnt, n_max, cr, ct, flags);
+
+			if (error == E2BIG) {
+				too_big = 1;
+				error = 0;
+			}
+			if (error != 0)
+				goto done;
+		} else {
+			if (cnt < n_max) {
+				char *p;
+
+				if (*prefix == '\0')
+					(void) strlcpy(path, hdp->hld_name,
+					    MAXPATHLEN);
+				else
+					(void) snprintf(path, MAXPATHLEN,
+					    "%s/%s", prefix, hdp->hld_name);
+
+				len = strlen(path);
+				ASSERT(len <= MAXPATHLEN);
+				if (copyout(path, (void *)(hcp[cnt].hce_name),
+				    len)) {
+					error = EFAULT;
+					goto done;
+				}
+
+				tvp = REALVP(HLNTOV(fndhp));
+				if (tvp->v_path == NULL) {
+					p = "<unknown>";
+				} else {
+					p = tvp->v_path;
+				}
+				len = strlen(p);
+				ASSERT(len <= MAXPATHLEN);
+				if (copyout(p, (void *)(hcp[cnt].hce_path),
+				    len)) {
+					error = EFAULT;
+					goto done;
+				}
+			}
+
+			cnt++;
+			if (cnt > n_max)
+				too_big = 1;
+		}
+
+		hdp = hdp->hld_next;
+	}
+
+done:
+	hlnode_rele(hp);
+	kmem_free(path, MAXPATHLEN);
+
+	*pcnt = cnt;
+	if (error == 0 && too_big == 1)
+		error = E2BIG;
+
+	return (error);
+}
+
+/*
+ * Return a list of all looped in files in the namespace.
+ */
+static int
+hyprlofs_get_all(vnode_t *dvp, intptr_t data, cred_t *cr, caller_context_t *ct,
+    int flags)
+{
+	int limit, cnt, error;
+	model_t model;
+	hyprlofs_curr_entry_t *e;
+
+	model = get_udatamodel();
+
+	if (model == DATAMODEL_NATIVE) {
+		hyprlofs_curr_entries_t ebuf;
+
+		if (copyin((void *)data, &ebuf, sizeof (ebuf)))
+			return (EFAULT);
+		limit = ebuf.hce_cnt;
+		e = ebuf.hce_entries;
+		if (limit > MAX_IOCTL_PARAMS)
+			return (EINVAL);
+
+	} else {
+		hyprlofs_curr_entries32_t ebuf32;
+
+		if (copyin((void *)data, &ebuf32, sizeof (ebuf32)))
+			return (EFAULT);
+
+		limit = ebuf32.hce_cnt;
+		e = (hyprlofs_curr_entry_t *)(unsigned long)
+		    (ebuf32.hce_entries);
+		if (limit > MAX_IOCTL_PARAMS)
+			return (EINVAL);
+	}
+
+	cnt = 0;
+	error = hyprlofs_get_all_entries(dvp, e, "", &cnt, limit, cr, ct,
+	    flags);
+
+	if (error == 0 || error == E2BIG) {
+		if (model == DATAMODEL_NATIVE) {
+			hyprlofs_curr_entries_t ebuf;
+
+			ebuf.hce_cnt = cnt;
+			if (copyout(&ebuf, (void *)data, sizeof (ebuf)))
+				return (EFAULT);
+
+		} else {
+			hyprlofs_curr_entries32_t ebuf32;
+
+			ebuf32.hce_cnt = cnt;
+			if (copyout(&ebuf32, (void *)data, sizeof (ebuf32)))
+				return (EFAULT);
+		}
+	}
+
+	return (error);
+}
+
+/* ARGSUSED3 */
+static int
+hyprlofs_remove(vnode_t *dvp, char *nm, cred_t *cr, caller_context_t *ct,
+    int flags)
+{
+	hlnode_t *parent = (hlnode_t *)VTOHLN(dvp);
+	int error;
+	hlnode_t *hp = NULL;
+
+	/* This holds the hp vnode */
+	error = hyprlofs_dirlookup(parent, nm, &hp, cr);
+	if (error)
+		return (error);
+
+	ASSERT(hp);
+	rw_enter(&parent->hln_rwlock, RW_WRITER);
+	rw_enter(&hp->hln_rwlock, RW_WRITER);
+
+	error = hyprlofs_dirdelete(parent, hp, nm, DR_REMOVE, cr);
+
+	rw_exit(&hp->hln_rwlock);
+	rw_exit(&parent->hln_rwlock);
+	vnevent_remove(HLNTOV(hp), dvp, nm, ct);
+
+	/*
+	 * We've now dropped the dir link so by rele-ing our vnode we should
+	 * clean up in hyprlofs_inactive.
+	 */
+	hlnode_rele(hp);
+
+	return (error);
+}
+
+/* ARGSUSED4 */
+static int
+hyprlofs_rmdir(vnode_t *dvp, char *nm, vnode_t *cdir, cred_t *cr,
+    caller_context_t *ct, int flags)
+{
+	hlnode_t *parent = (hlnode_t *)VTOHLN(dvp);
+	hlnode_t *self = NULL;
+	vnode_t *vp;
+	int error = 0;
+
+	/* Return error if removing . or .. */
+	if (strcmp(nm, ".") == 0)
+		return (EINVAL);
+	if (strcmp(nm, "..") == 0)
+		return (EEXIST); /* Should be ENOTEMPTY */
+	error = hyprlofs_dirlookup(parent, nm, &self, cr);
+	if (error)
+		return (error);
+
+	rw_enter(&parent->hln_rwlock, RW_WRITER);
+	rw_enter(&self->hln_rwlock, RW_WRITER);
+
+	vp = HLNTOV(self);
+	if (vp == dvp || vp == cdir) {
+		error = EINVAL;
+		goto done1;
+	}
+	if (self->hln_type != VDIR) {
+		error = ENOTDIR;
+		goto done1;
+	}
+
+	/*
+	 * When a dir is looped in, we only remove the in-memory dir, not the
+	 * backing dir.
+	 */
+	if (self->hln_looped == 0) {
+		mutex_enter(&self->hln_tlock);
+		if (self->hln_nlink > 2) {
+			mutex_exit(&self->hln_tlock);
+			error = EEXIST;
+			goto done1;
+		}
+		mutex_exit(&self->hln_tlock);
+
+		if (vn_vfswlock(vp)) {
+			error = EBUSY;
+			goto done1;
+		}
+		if (vn_mountedvfs(vp) != NULL) {
+			error = EBUSY;
+			goto done;
+		}
+
+		/*
+		 * Check for an empty directory, i.e. only includes entries for
+		 * "." and ".."
+		 */
+		if (self->hln_dirents > 2) {
+			error = EEXIST;		/* SIGH should be ENOTEMPTY */
+			/*
+			 * Update atime because checking hln_dirents is
+			 * equivalent to reading the directory
+			 */
+			gethrestime(&self->hln_atime);
+			goto done;
+		}
+
+		error = hyprlofs_dirdelete(parent, self, nm, DR_RMDIR, cr);
+	} else {
+		error = hyprlofs_dirdelete(parent, self, nm, DR_REMOVE, cr);
+	}
+
+done:
+	if (self->hln_looped == 0)
+		vn_vfsunlock(vp);
+done1:
+	rw_exit(&self->hln_rwlock);
+	rw_exit(&parent->hln_rwlock);
+	vnevent_rmdir(HLNTOV(self), dvp, nm, ct);
+
+	/*
+	 * We've now dropped the dir link so by rele-ing our vnode we should
+	 * clean up in hyprlofs_inactive.
+	 */
+	hlnode_rele(self);
+
+	return (error);
+}
+
+static int
+hyprlofs_readdir(vnode_t *vp, struct uio *uiop, cred_t *cr, int *eofp,
+    caller_context_t *ct, int flags)
+{
+	hlnode_t *hp = (hlnode_t *)VTOHLN(vp);
+	hldirent_t *hdp;
+	int error = 0;
+	size_t namelen;
+	struct dirent64 *dp;
+	ulong_t offset;
+	ulong_t total_bytes_wanted;
+	long outcount = 0;
+	long bufsize;
+	int reclen;
+	caddr_t outbuf;
+
+	if (VTOHLN(vp)->hln_looped == 1)
+		return (VOP_READDIR(REALVP(vp), uiop, cr, eofp, ct, flags));
+
+	if (uiop->uio_loffset >= MAXOFF_T) {
+		if (eofp)
+			*eofp = 1;
+		return (0);
+	}
+	/* assuming syscall has already called hln_rwlock */
+	ASSERT(RW_READ_HELD(&hp->hln_rwlock));
+
+	if (uiop->uio_iovcnt != 1)
+		return (EINVAL);
+
+	if (vp->v_type != VDIR)
+		return (ENOTDIR);
+
+	/*
+	 * There's a window here where someone could have removed
+	 * all the entries in the directory after we put a hold on the
+	 * vnode but before we grabbed the rwlock.  Just return.
+	 */
+	if (hp->hln_dir == NULL) {
+		if (hp->hln_nlink) {
+			panic("empty directory 0x%p", (void *)hp);
+			/*NOTREACHED*/
+		}
+		return (0);
+	}
+
+	/* Get space for multiple dir entries */
+	total_bytes_wanted = uiop->uio_iov->iov_len;
+	bufsize = total_bytes_wanted + sizeof (struct dirent64);
+	outbuf = kmem_alloc(bufsize, KM_SLEEP);
+
+	dp = (struct dirent64 *)((uintptr_t)outbuf);
+
+	offset = 0;
+	hdp = hp->hln_dir;
+	while (hdp) {
+		namelen = strlen(hdp->hld_name);	/* no +1 needed */
+		offset = hdp->hld_offset;
+		if (offset >= uiop->uio_offset) {
+			reclen = (int)DIRENT64_RECLEN(namelen);
+			if (outcount + reclen > total_bytes_wanted) {
+				if (!outcount)
+					/* Buffer too small for any entries. */
+					error = EINVAL;
+				break;
+			}
+			ASSERT(hdp->hld_hlnode != NULL);
+
+			/* zero out uninitialized bytes */
+			(void) strncpy(dp->d_name, hdp->hld_name,
+			    DIRENT64_NAMELEN(reclen));
+			dp->d_reclen = (ushort_t)reclen;
+			dp->d_ino = (ino64_t)hdp->hld_hlnode->hln_nodeid;
+			dp->d_off = (offset_t)hdp->hld_offset + 1;
+			dp = (struct dirent64 *)
+			    ((uintptr_t)dp + dp->d_reclen);
+			outcount += reclen;
+			ASSERT(outcount <= bufsize);
+		}
+		hdp = hdp->hld_next;
+	}
+
+	if (!error)
+		error = uiomove(outbuf, outcount, UIO_READ, uiop);
+
+	if (!error) {
+		/*
+		 * If we reached the end of the list our offset should now be
+		 * just past the end.
+		 */
+		if (!hdp) {
+			offset += 1;
+			if (eofp)
+				*eofp = 1;
+		} else if (eofp)
+			*eofp = 0;
+		uiop->uio_offset = offset;
+	}
+	gethrestime(&hp->hln_atime);
+	kmem_free(outbuf, bufsize);
+	return (error);
+}
+
+static int
+hyprlofs_fsync(vnode_t *vp, int syncflag, cred_t *cr, caller_context_t *ct)
+{
+	if (VTOHLN(vp)->hln_looped == 1)
+		return (VOP_FSYNC(REALVP(vp), syncflag, cr, ct));
+	return (0);
+}
+
+/* ARGSUSED */
+static void
+hyprlofs_inactive(vnode_t *vp, cred_t *cr, caller_context_t *ct)
+{
+	hlnode_t *hp = (hlnode_t *)VTOHLN(vp);
+	hlfsmount_t *hm = (hlfsmount_t *)VFSTOHLM(vp->v_vfsp);
+
+	rw_enter(&hp->hln_rwlock, RW_WRITER);
+
+	mutex_enter(&hp->hln_tlock);
+	mutex_enter(&vp->v_lock);
+	ASSERT(vp->v_count >= 1);
+
+	/*
+	 * If we don't have the last hold or the link count is non-zero,
+	 * there's nothing to do except drop our hold.
+	 */
+	if (vp->v_count > 1 || hp->hln_nlink != 0) {
+		vp->v_count--;
+		mutex_exit(&vp->v_lock);
+		mutex_exit(&hp->hln_tlock);
+		rw_exit(&hp->hln_rwlock);
+		return;
+	}
+
+	mutex_exit(&vp->v_lock);
+	mutex_exit(&hp->hln_tlock);
+
+	/* release hold on the real vnode now */
+	if (hp->hln_looped == 1 && hp->hln_realvp != NULL)
+		VN_RELE(hp->hln_realvp);
+
+	/* Here's our chance to send invalid event while we're between locks */
+	vn_invalid(HLNTOV(hp));
+
+	mutex_enter(&hm->hlm_contents);
+	if (hp->hln_forw == NULL)
+		hm->hlm_rootnode->hln_back = hp->hln_back;
+	else
+		hp->hln_forw->hln_back = hp->hln_back;
+	hp->hln_back->hln_forw = hp->hln_forw;
+	mutex_exit(&hm->hlm_contents);
+	rw_exit(&hp->hln_rwlock);
+	rw_destroy(&hp->hln_rwlock);
+	mutex_destroy(&hp->hln_tlock);
+	vn_free(HLNTOV(hp));
+	kmem_free(hp, sizeof (hlnode_t));
+}
+
+static int
+hyprlofs_fid(vnode_t *vp, struct fid *fidp, caller_context_t *ct)
+{
+	hlnode_t *hp = (hlnode_t *)VTOHLN(vp);
+	hlfid_t *hfid;
+
+	if (VTOHLN(vp)->hln_looped == 1)
+		return (VOP_FID(REALVP(vp), fidp, ct));
+
+	if (fidp->fid_len < (sizeof (hlfid_t) - sizeof (ushort_t))) {
+		fidp->fid_len = sizeof (hlfid_t) - sizeof (ushort_t);
+		return (ENOSPC);
+	}
+
+	hfid = (hlfid_t *)fidp;
+	bzero(hfid, sizeof (hlfid_t));
+	hfid->hlfid_len = (int)sizeof (hlfid_t) - sizeof (ushort_t);
+
+	hfid->hlfid_ino = hp->hln_nodeid;
+	hfid->hlfid_gen = hp->hln_gen;
+
+	return (0);
+}
+
+static int
+hyprlofs_getpage(vnode_t *vp, offset_t off, size_t len, uint_t *protp,
+    page_t *pl[], size_t plsz, struct seg *seg, caddr_t addr, enum seg_rw rw,
+    cred_t *cr, caller_context_t *ct)
+{
+	/* return EACCES to be consistent with mmap */
+	if (VTOHLN(vp)->hln_looped != 1)
+		return (EACCES);
+	return (VOP_GETPAGE(REALVP(vp), off, len, protp, pl, plsz, seg, addr,
+	    rw, cr, ct));
+}
+
+int
+hyprlofs_putpage(vnode_t *vp, offset_t off, size_t len, int flags,
+    cred_t *cr, caller_context_t *ct)
+{
+	/* return EACCES to be consistent with mmap */
+	if (VTOHLN(vp)->hln_looped != 1)
+		return (EACCES);
+	return (VOP_PUTPAGE(REALVP(vp), off, len, flags, cr, ct));
+}
+
+static int
+hyprlofs_map(vnode_t *vp, offset_t off, struct as *as, caddr_t *addrp,
+    size_t len, uchar_t prot, uchar_t maxprot, uint_t flags, cred_t *cr,
+    caller_context_t *ct)
+{
+	/* return EACCES to be consistent with mmap */
+	if (VTOHLN(vp)->hln_looped != 1)
+		return (EACCES);
+	return (VOP_MAP(REALVP(vp), off, as, addrp, len, prot, maxprot, flags,
+	    cr, ct));
+}
+
+static int
+hyprlofs_addmap(vnode_t *vp, offset_t off, struct as *as, caddr_t addr,
+    size_t len, uchar_t prot, uchar_t maxprot, uint_t flags, cred_t *cr,
+    caller_context_t *ct)
+{
+	/* return EACCES to be consistent with mmap */
+	if (VTOHLN(vp)->hln_looped != 1)
+		return (EACCES);
+	return (VOP_ADDMAP(REALVP(vp), off, as, addr, len, prot, maxprot,
+	    flags, cr, ct));
+}
+
+static int
+hyprlofs_delmap(vnode_t *vp, offset_t off, struct as *as, caddr_t addr,
+    size_t len, uint_t prot, uint_t maxprot, uint_t flags, cred_t *cr,
+    caller_context_t *ct)
+{
+	/* return EACCES to be consistent with mmap */
+	if (VTOHLN(vp)->hln_looped != 1)
+		return (EACCES);
+	return (VOP_DELMAP(REALVP(vp), off, as, addr, len, prot, maxprot,
+	    flags, cr, ct));
+}
+
+static int
+hyprlofs_space(vnode_t *vp, int cmd, struct flock64 *bfp, int flag,
+    offset_t offset, cred_t *cr, caller_context_t *ct)
+{
+	/* return EACCES to be consistent with mmap */
+	if (VTOHLN(vp)->hln_looped != 1)
+		return (EACCES);
+	return (VOP_SPACE(REALVP(vp), cmd, bfp, flag, offset, cr, ct));
+}
+
+static int
+hyprlofs_seek(vnode_t *vp, offset_t ooff, offset_t *noffp,
+    caller_context_t *ct)
+{
+	if (VTOHLN(vp)->hln_looped == 0)
+		return ((*noffp < 0 || *noffp > MAXOFFSET_T) ? EINVAL : 0);
+
+	return (VOP_SEEK(REALVP(vp), ooff, noffp, ct));
+}
+
+static int
+hyprlofs_rwlock(vnode_t *vp, int write_lock, caller_context_t *ct)
+{
+	hlnode_t *hp = VTOHLN(vp);
+
+	if (hp->hln_looped == 1)
+		return (VOP_RWLOCK(REALVP(vp), write_lock, ct));
+
+	if (write_lock) {
+		rw_enter(&hp->hln_rwlock, RW_WRITER);
+	} else {
+		rw_enter(&hp->hln_rwlock, RW_READER);
+	}
+	return (write_lock);
+}
+
+static void
+hyprlofs_rwunlock(vnode_t *vp, int write_lock, caller_context_t *ct)
+{
+	hlnode_t *hp = VTOHLN(vp);
+
+	if (hp->hln_looped == 1) {
+		VOP_RWUNLOCK(REALVP(vp), write_lock, ct);
+		return;
+	}
+
+	rw_exit(&hp->hln_rwlock);
+}
+
+static int
+hyprlofs_pathconf(vnode_t *vp, int cmd, ulong_t *valp, cred_t *cr,
+    caller_context_t *ct)
+{
+	int error;
+
+	if (VTOHLN(vp)->hln_looped == 1)
+		return (VOP_PATHCONF(REALVP(vp), cmd, valp, cr, ct));
+
+	switch (cmd) {
+	case _PC_XATTR_ENABLED:
+	case _PC_XATTR_EXISTS:
+	case _PC_SATTR_ENABLED:
+	case _PC_SATTR_EXISTS:
+		error = EINVAL;
+		break;
+	case _PC_TIMESTAMP_RESOLUTION:
+		/* nanosecond timestamp resolution */
+		*valp = 1L;
+		error = 0;
+		break;
+	default:
+		error = fs_pathconf(vp, cmd, valp, cr, ct);
+	}
+	return (error);
+}
+
+
+struct vnodeops *hyprlofs_vnodeops;
+
+const fs_operation_def_t hyprlofs_vnodeops_template[] = {
+	VOPNAME_OPEN,		{ .vop_open = hyprlofs_open },
+	VOPNAME_CLOSE,		{ .vop_close = hyprlofs_close },
+	VOPNAME_READ,		{ .vop_read = hyprlofs_read },
+	VOPNAME_WRITE,		{ .vop_write = hyprlofs_write },
+	VOPNAME_IOCTL,		{ .vop_ioctl = hyprlofs_ioctl },
+	VOPNAME_GETATTR,	{ .vop_getattr = hyprlofs_getattr },
+	VOPNAME_SETATTR,	{ .vop_setattr = hyprlofs_setattr },
+	VOPNAME_ACCESS,		{ .vop_access = hyprlofs_access },
+	VOPNAME_LOOKUP,		{ .vop_lookup = hyprlofs_lookup },
+	VOPNAME_CREATE,		{ .error = fs_error },
+	VOPNAME_REMOVE,		{ .vop_remove = hyprlofs_remove },
+	VOPNAME_LINK,		{ .error = fs_error },
+	VOPNAME_RENAME,		{ .error = fs_error },
+	VOPNAME_MKDIR,		{ .error = fs_error },
+	VOPNAME_RMDIR,		{ .vop_rmdir = hyprlofs_rmdir },
+	VOPNAME_READDIR,	{ .vop_readdir = hyprlofs_readdir },
+	VOPNAME_SYMLINK,	{ .error = fs_error },
+	VOPNAME_READLINK,	{ .error = fs_error },
+	VOPNAME_FSYNC,		{ .vop_fsync = hyprlofs_fsync },
+	VOPNAME_INACTIVE,	{ .vop_inactive = hyprlofs_inactive },
+	VOPNAME_FID,		{ .vop_fid = hyprlofs_fid },
+	VOPNAME_RWLOCK,		{ .vop_rwlock = hyprlofs_rwlock },
+	VOPNAME_RWUNLOCK,	{ .vop_rwunlock = hyprlofs_rwunlock },
+	VOPNAME_SEEK,		{ .vop_seek = hyprlofs_seek },
+	VOPNAME_SPACE,		{ .vop_space = hyprlofs_space },
+	VOPNAME_GETPAGE,	{ .vop_getpage = hyprlofs_getpage },
+	VOPNAME_PUTPAGE,	{ .vop_putpage = hyprlofs_putpage },
+	VOPNAME_MAP,		{ .vop_map = hyprlofs_map },
+	VOPNAME_ADDMAP,		{ .vop_addmap = hyprlofs_addmap },
+	VOPNAME_DELMAP,		{ .vop_delmap = hyprlofs_delmap },
+	VOPNAME_PATHCONF,	{ .vop_pathconf = hyprlofs_pathconf },
+	VOPNAME_VNEVENT,	{ .vop_vnevent = fs_vnevent_support },
+	NULL,			NULL
+};
diff --git a/usr/src/uts/common/fs/lookup.c b/usr/src/uts/common/fs/lookup.c
index 55ffb94805..2fd2bbeb0b 100644
--- a/usr/src/uts/common/fs/lookup.c
+++ b/usr/src/uts/common/fs/lookup.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
  * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
  */
 
@@ -57,6 +58,7 @@
 #include <sys/zone.h>
 #include <sys/dnlc.h>
 #include <sys/fs/snode.h>
+#include <sys/brand.h>
 
 /* Controls whether paths are stored with vnodes. */
 int vfs_vnode_path = 1;
@@ -977,6 +979,96 @@ localpath(char *path, struct vnode *vrootp, cred_t *cr)
 }
 
 /*
+ * Clean a stale v_path from a vnode.  This is only performed if the v_path has
+ * not been altered since it was found to be stale
+ */
+static void
+vnode_clear_vpath(vnode_t *vp, char *vpath_old)
+{
+	mutex_enter(&vp->v_lock);
+	if (vp->v_path != NULL && vp->v_path == vpath_old) {
+		vp->v_path = NULL;
+		mutex_exit(&vp->v_lock);
+		kmem_free(vpath_old, strlen(vpath_old) + 1);
+	} else {
+		mutex_exit(&vp->v_lock);
+	}
+}
+
+/*
+ * Validate that a pathname refers to a given vnode.
+ */
+static int
+vnode_valid_pn(vnode_t *vp, vnode_t *vrootp, pathname_t *pn, pathname_t *rpn,
+    int flags, cred_t *cr)
+{
+	vnode_t *compvp;
+	/*
+	 * If we are in a zone or a chroot environment, then we have to
+	 * take additional steps, since the path to the root might not
+	 * be readable with the current credentials, even though the
+	 * process can legitmately access the file.  In this case, we
+	 * do the following:
+	 *
+	 * lookuppnvp() with all privileges to get the resolved path.
+	 * call localpath() to get the local portion of the path, and
+	 * continue as normal.
+	 *
+	 * If the the conversion to a local path fails, then we continue
+	 * as normal.  This is a heuristic to make process object file
+	 * paths available from within a zone.  Because lofs doesn't
+	 * support page operations, the vnode stored in the seg_t is
+	 * actually the underlying real vnode, not the lofs node itself.
+	 * Most of the time, the lofs path is the same as the underlying
+	 * vnode (for example, /usr/lib/libc.so.1).
+	 */
+	if (vrootp != rootdir) {
+		char *local = NULL;
+
+		VN_HOLD(rootdir);
+		if (lookuppnvp(pn, rpn, FOLLOW, NULL, &compvp, rootdir,
+		    rootdir, kcred) == 0) {
+			local = localpath(rpn->pn_path, vrootp, kcred);
+			VN_RELE(compvp);
+		}
+
+		/*
+		 * The original pn was changed through lookuppnvp().
+		 * Set it to local for next validation attempt.
+		 */
+		if (local) {
+			(void) pn_set(pn, local);
+		} else {
+			return (1);
+		}
+	}
+
+	/*
+	 * We should have a local path at this point, so start the search from
+	 * the root of the current process.
+	 */
+	VN_HOLD(vrootp);
+	if (vrootp != rootdir)
+		VN_HOLD(vrootp);
+	if (lookuppnvp(pn, rpn, FOLLOW | flags, NULL, &compvp, vrootp, vrootp,
+	    cr) == 0) {
+		/*
+		 * Check to see if the returned vnode is the same as the one we
+		 * expect.
+		 */
+		if (vn_compare(vp, compvp) ||
+		    vnode_match(vp, compvp, cr)) {
+			VN_RELE(compvp);
+			return (0);
+		} else {
+			VN_RELE(compvp);
+		}
+	}
+
+	return (1);
+}
+
+/*
  * Given a directory, return the full, resolved path.  This looks up "..",
  * searches for the given vnode in the parent, appends the component, etc.  It
  * is used to implement vnodetopath() and getcwd() when the cached path fails.
@@ -995,6 +1087,8 @@ dirtopath(vnode_t *vrootp, vnode_t *vp, char *buf, size_t buflen, int flags,
 	char		*bufloc;
 	size_t		dlen = DIRENT64_RECLEN(MAXPATHLEN);
 	refstr_t	*mntpt;
+	char *vpath_cached;
+	boolean_t vpath_stale;
 
 	/* Operation only allowed on directories */
 	ASSERT(vp->v_type == VDIR);
@@ -1088,40 +1182,28 @@ dirtopath(vnode_t *vrootp, vnode_t *vp, char *buf, size_t buflen, int flags,
 		 * Shortcut: see if this vnode has correct v_path. If so,
 		 * we have the work done.
 		 */
+		vpath_cached = NULL;
+		vpath_stale = B_FALSE;
 		mutex_enter(&vp->v_lock);
-		if (vp->v_path != NULL) {
-
-			if ((err = pn_set(&pn, vp->v_path)) == 0) {
-				mutex_exit(&vp->v_lock);
-				rpn.pn_path = rpn.pn_buf;
-
-				/*
-				 * Ensure the v_path pointing to correct vnode
-				 */
-				VN_HOLD(vrootp);
-				if (vrootp != rootdir)
-					VN_HOLD(vrootp);
-				if (lookuppnvp(&pn, &rpn, flags, NULL,
-				    &cmpvp, vrootp, vrootp, cr) == 0) {
-
-					if (VN_CMP(vp, cmpvp)) {
-						VN_RELE(cmpvp);
+		if ((vp->v_path != NULL) &&
+		    pn_set(&pn, vp->v_path) == 0) {
+			vpath_cached = vp->v_path;
+			mutex_exit(&vp->v_lock);
+			rpn.pn_path = rpn.pn_buf;
 
-						complen = strlen(rpn.pn_path);
-						bufloc -= complen;
-						if (bufloc < buf) {
-							err = ERANGE;
-							goto out;
-						}
-						bcopy(rpn.pn_path, bufloc,
-						    complen);
-						break;
-					} else {
-						VN_RELE(cmpvp);
-					}
+			/* Ensure the v_path pointing to correct vnode */
+			if (vnode_valid_pn(vp, vrootp, &pn, &rpn, flags,
+			    cr) == 0) {
+				complen = strlen(rpn.pn_path);
+				bufloc -= complen;
+				if (bufloc < buf) {
+					err = ERANGE;
+					goto out;
 				}
+				bcopy(rpn.pn_path, bufloc, complen);
+				break;
 			} else {
-				mutex_exit(&vp->v_lock);
+				vpath_stale = B_TRUE;
 			}
 		} else {
 			mutex_exit(&vp->v_lock);
@@ -1166,38 +1248,6 @@ dirtopath(vnode_t *vrootp, vnode_t *vp, char *buf, size_t buflen, int flags,
 		}
 
 		/*
-		 * Try to obtain the path component from dnlc cache
-		 * before searching through the directory.
-		 */
-		if ((cmpvp = dnlc_reverse_lookup(vp, dbuf, dlen)) != NULL) {
-			/*
-			 * If we got parent vnode as a result,
-			 * then the answered path is correct.
-			 */
-			if (VN_CMP(cmpvp, pvp)) {
-				VN_RELE(cmpvp);
-				complen = strlen(dbuf);
-				bufloc -= complen;
-				if (bufloc <= buf) {
-					err = ENAMETOOLONG;
-					goto out;
-				}
-				bcopy(dbuf, bufloc, complen);
-
-				/* Prepend a slash to the current path */
-				*--bufloc = '/';
-
-				/* And continue with the next component */
-				VN_RELE(vp);
-				vp = pvp;
-				pvp = NULL;
-				continue;
-			} else {
-				VN_RELE(cmpvp);
-			}
-		}
-
-		/*
 		 * Search the parent directory for the entry corresponding to
 		 * this vnode.
 		 */
@@ -1215,6 +1265,10 @@ dirtopath(vnode_t *vrootp, vnode_t *vp, char *buf, size_t buflen, int flags,
 		/* Prepend a slash to the current path.  */
 		*--bufloc = '/';
 
+		/* Clear vp->v_path if it was found to be stale. */
+		if (vpath_stale == B_TRUE)
+			vnode_clear_vpath(vp, vpath_cached);
+
 		/* And continue with the next component */
 		VN_RELE(vp);
 		vp = pvp;
@@ -1306,144 +1360,49 @@ vnodetopath_common(vnode_t *vrootp, vnode_t *vp, char *buf, size_t buflen,
 			VN_RELE(vp);
 	}
 
-	pn_alloc(&pn);
 
 	/*
-	 * Check to see if we have a cached path in the vnode.
+	 * Check to see if we have a valid cached path in the vnode.
 	 */
+	pn_alloc(&pn);
 	mutex_enter(&vp->v_lock);
 	if (vp->v_path != NULL) {
 		(void) pn_set(&pn, vp->v_path);
 		mutex_exit(&vp->v_lock);
 
-		pn_alloc(&rpn);
-
 		/* We should only cache absolute paths */
 		ASSERT(pn.pn_buf[0] == '/');
 
-		/*
-		 * If we are in a zone or a chroot environment, then we have to
-		 * take additional steps, since the path to the root might not
-		 * be readable with the current credentials, even though the
-		 * process can legitmately access the file.  In this case, we
-		 * do the following:
-		 *
-		 * lookuppnvp() with all privileges to get the resolved path.
-		 * call localpath() to get the local portion of the path, and
-		 * continue as normal.
-		 *
-		 * If the the conversion to a local path fails, then we continue
-		 * as normal.  This is a heuristic to make process object file
-		 * paths available from within a zone.  Because lofs doesn't
-		 * support page operations, the vnode stored in the seg_t is
-		 * actually the underlying real vnode, not the lofs node itself.
-		 * Most of the time, the lofs path is the same as the underlying
-		 * vnode (for example, /usr/lib/libc.so.1).
-		 */
-		if (vrootp != rootdir) {
-			char *local = NULL;
-			VN_HOLD(rootdir);
-			if (lookuppnvp(&pn, &rpn, FOLLOW,
-			    NULL, &compvp, rootdir, rootdir, kcred) == 0) {
-				local = localpath(rpn.pn_path, vrootp,
-				    kcred);
-				VN_RELE(compvp);
-			}
-
-			/*
-			 * The original pn was changed through lookuppnvp().
-			 * Set it to local for next validation attempt.
-			 */
-			if (local) {
-				(void) pn_set(&pn, local);
-			} else {
-				goto notcached;
+		pn_alloc(&rpn);
+		if (vnode_valid_pn(vp, vrootp, &pn, &rpn, flags, cr) == 0) {
+			/* Return the result, if we're able. */
+			if (buflen > rpn.pn_pathlen) {
+				bcopy(rpn.pn_path, buf, rpn.pn_pathlen + 1);
+				pn_free(&pn);
+				pn_free(&rpn);
+				VN_RELE(vrootp);
+				if (doclose) {
+					(void) VOP_CLOSE(vp, FREAD, 1, 0, cr,
+					    NULL);
+					VN_RELE(vp);
+				}
+				return (0);
 			}
 		}
-
 		/*
-		 * We should have a local path at this point, so start the
-		 * search from the root of the current process.
+		 * A stale v_path will be purged by the later dirtopath lookup.
 		 */
-		VN_HOLD(vrootp);
-		if (vrootp != rootdir)
-			VN_HOLD(vrootp);
-		ret = lookuppnvp(&pn, &rpn, FOLLOW | flags, NULL,
-		    &compvp, vrootp, vrootp, cr);
-		if (ret == 0) {
-			/*
-			 * Check to see if the returned vnode is the same as
-			 * the one we expect.  If not, give up.
-			 */
-			if (!vn_compare(vp, compvp) &&
-			    !vnode_match(vp, compvp, cr)) {
-				VN_RELE(compvp);
-				goto notcached;
-			}
-
-			VN_RELE(compvp);
-
-			/*
-			 * Return the result.
-			 */
-			if (buflen <= rpn.pn_pathlen)
-				goto notcached;
-
-			bcopy(rpn.pn_path, buf, rpn.pn_pathlen + 1);
-			pn_free(&pn);
-			pn_free(&rpn);
-			VN_RELE(vrootp);
-			if (doclose) {
-				(void) VOP_CLOSE(vp, FREAD, 1, 0, cr, NULL);
-				VN_RELE(vp);
-			}
-			return (0);
-		}
-
-notcached:
 		pn_free(&rpn);
 	} else {
 		mutex_exit(&vp->v_lock);
 	}
-
 	pn_free(&pn);
 
 	if (vp->v_type != VDIR) {
-		/*
-		 * If we don't have a directory, try to find it in the dnlc via
-		 * reverse lookup.  Once this is found, we can use the regular
-		 * directory search to find the full path.
-		 */
-		if ((pvp = dnlc_reverse_lookup(vp, path, MAXNAMELEN)) != NULL) {
-			/*
-			 * Check if we have read privilege so, that
-			 * we can lookup the path in the directory
-			 */
-			ret = 0;
-			if ((flags & LOOKUP_CHECKREAD)) {
-				ret = VOP_ACCESS(pvp, VREAD, 0, cr, NULL);
-			}
-			if (ret == 0) {
-				ret = dirtopath(vrootp, pvp, buf, buflen,
-				    flags, cr);
-			}
-			if (ret == 0) {
-				len = strlen(buf);
-				if (len + strlen(path) + 1 >= buflen) {
-					ret = ENAMETOOLONG;
-				} else {
-					if (buf[len - 1] != '/')
-						buf[len++] = '/';
-					bcopy(path, buf + len,
-					    strlen(path) + 1);
-				}
-			}
-
-			VN_RELE(pvp);
-		} else
-			ret = ENOENT;
-	} else
+		ret = ENOENT;
+	} else {
 		ret = dirtopath(vrootp, vp, buf, buflen, flags, cr);
+	}
 
 	VN_RELE(vrootp);
 	if (doclose) {
diff --git a/usr/src/uts/common/fs/lxproc/lxpr_subr.c b/usr/src/uts/common/fs/lxproc/lxpr_subr.c
new file mode 100644
index 0000000000..3c1405d4af
--- /dev/null
+++ b/usr/src/uts/common/fs/lxproc/lxpr_subr.c
@@ -0,0 +1,524 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ */
+
+#include <sys/varargs.h>
+#include <sys/cpuvar.h>
+#include <sys/mman.h>
+#include <sys/vmsystm.h>
+#include <sys/prsystm.h>
+
+#include "lxproc.h"
+
+#define	LXPRCACHE_NAME "lxpr_cache"
+
+static int lxpr_node_constructor(void *, void *, int);
+static void lxpr_node_destructor(void *, void *);
+
+static kmem_cache_t *lxpr_node_cache;
+
+struct lxpr_uiobuf {
+	uio_t *uiop;
+	char *buffer;
+	uint32_t buffsize;
+	char *pos;
+	size_t beg;
+	int error;
+};
+
+int lxpr_bufsize = 4000;
+
+struct lxpr_uiobuf *
+lxpr_uiobuf_new(uio_t *uiop)
+{
+	/* Allocate memory for both lxpr_uiobuf and output buffer */
+	int bufsize = lxpr_bufsize;
+	struct lxpr_uiobuf *uiobuf =
+	    kmem_alloc(sizeof (struct lxpr_uiobuf) + bufsize, KM_SLEEP);
+
+	uiobuf->uiop = uiop;
+	uiobuf->buffer = (char *)&uiobuf[1];
+	uiobuf->buffsize = bufsize;
+	uiobuf->pos = uiobuf->buffer;
+	uiobuf->beg = 0;
+	uiobuf->error = 0;
+
+	return (uiobuf);
+}
+
+void
+lxpr_uiobuf_free(struct lxpr_uiobuf *uiobuf)
+{
+	ASSERT(uiobuf != NULL);
+	ASSERT(uiobuf->pos == uiobuf->buffer);
+
+	kmem_free(uiobuf, sizeof (struct lxpr_uiobuf) + uiobuf->buffsize);
+}
+
+void
+lxpr_uiobuf_seek(struct lxpr_uiobuf *uiobuf, offset_t offset)
+{
+	uiobuf->uiop->uio_offset = (off_t)offset;
+}
+
+void
+lxpr_uiobuf_seterr(struct lxpr_uiobuf *uiobuf, int err)
+{
+	ASSERT(uiobuf->error == 0);
+
+	uiobuf->error = err;
+}
+
+int
+lxpr_uiobuf_flush(struct lxpr_uiobuf *uiobuf)
+{
+	off_t off = uiobuf->uiop->uio_offset;
+	caddr_t uaddr = uiobuf->buffer;
+	size_t beg = uiobuf->beg;
+	size_t size = (uintptr_t)uiobuf->pos - (uintptr_t)uaddr;
+
+	if (uiobuf->error == 0 && uiobuf->uiop->uio_resid != 0) {
+		ASSERT(off >= beg);
+
+		if (beg + size > off && off >= 0)
+			uiobuf->error =
+			    uiomove(uaddr + (off - beg), size - (off - beg),
+			    UIO_READ, uiobuf->uiop);
+
+		uiobuf->beg += size;
+	}
+
+	uiobuf->pos = uaddr;
+
+	return (uiobuf->error);
+}
+
+void
+lxpr_uiobuf_write(struct lxpr_uiobuf *uiobuf, const char *buf, size_t size)
+{
+	/* While we can still carry on */
+	while (uiobuf->error == 0 && uiobuf->uiop->uio_resid != 0) {
+		uintptr_t remain = (uintptr_t)uiobuf->buffsize -
+		    ((uintptr_t)uiobuf->pos - (uintptr_t)uiobuf->buffer);
+
+		/* Enough space in buffer? */
+		if (remain >= size) {
+			bcopy(buf, uiobuf->pos, size);
+			uiobuf->pos += size;
+			return;
+		}
+
+		/* Not enough space, so copy all we can and try again */
+		bcopy(buf, uiobuf->pos, remain);
+		uiobuf->pos += remain;
+		(void) lxpr_uiobuf_flush(uiobuf);
+		buf += remain;
+		size -= remain;
+	}
+}
+
+#define	TYPBUFFSIZE 256
+
+void
+lxpr_uiobuf_printf(struct lxpr_uiobuf *uiobuf, const char *fmt, ...)
+{
+	va_list args;
+	char buff[TYPBUFFSIZE];
+	int len;
+	char *buffer;
+
+	/* Can we still do any output */
+	if (uiobuf->error != 0 || uiobuf->uiop->uio_resid == 0)
+		return;
+
+	va_start(args, fmt);
+
+	/* Try using stack allocated buffer */
+	len = vsnprintf(buff, TYPBUFFSIZE, fmt, args);
+	if (len < TYPBUFFSIZE) {
+		va_end(args);
+		lxpr_uiobuf_write(uiobuf, buff, len);
+		return;
+	}
+
+	/* Not enough space in pre-allocated buffer */
+	buffer = kmem_alloc(len + 1, KM_SLEEP);
+
+	/*
+	 * We know we allocated the correct amount of space
+	 * so no check on the return value
+	 */
+	(void) vsnprintf(buffer, len+1, fmt, args);
+	lxpr_uiobuf_write(uiobuf, buffer, len);
+	va_end(args);
+	kmem_free(buffer, len+1);
+}
+
+/*
+ * lxpr_lock():
+ *
+ * Lookup process from pid and return with p_plock and P_PR_LOCK held.
+ */
+proc_t *
+lxpr_lock(pid_t pid)
+{
+	proc_t *p;
+	kmutex_t *mp;
+
+	ASSERT(!MUTEX_HELD(&pidlock));
+
+	for (;;) {
+		mutex_enter(&pidlock);
+
+		/*
+		 * If the pid is 1, we really want the zone's init process
+		 */
+		p = prfind((pid == 1) ?
+		    curproc->p_zone->zone_proc_initpid : pid);
+
+		if (p == NULL || p->p_stat == SIDL) {
+			mutex_exit(&pidlock);
+			return (NULL);
+		}
+
+		/*
+		 * p_lock is persistent, but p itself is not -- it could
+		 * vanish during cv_wait().  Load p->p_lock now so we can
+		 * drop it after cv_wait() without referencing p.
+		 */
+		mp = &p->p_lock;
+		mutex_enter(mp);
+
+		mutex_exit(&pidlock);
+
+		if (p->p_flag & SEXITING) {
+			/*
+			 * This process is exiting -- let it go.
+			 */
+			mutex_exit(mp);
+			return (NULL);
+		}
+
+		if (!(p->p_proc_flag & P_PR_LOCK))
+			break;
+
+		cv_wait(&pr_pid_cv[p->p_slot], mp);
+		mutex_exit(mp);
+	}
+
+	p->p_proc_flag |= P_PR_LOCK;
+	THREAD_KPRI_REQUEST();
+	return (p);
+}
+
+/*
+ * lxpr_unlock()
+ *
+ * Unlock locked process
+ */
+void
+lxpr_unlock(proc_t *p)
+{
+	ASSERT(p->p_proc_flag & P_PR_LOCK);
+	ASSERT(MUTEX_HELD(&p->p_lock));
+	ASSERT(!MUTEX_HELD(&pidlock));
+
+	cv_signal(&pr_pid_cv[p->p_slot]);
+	p->p_proc_flag &= ~P_PR_LOCK;
+	mutex_exit(&p->p_lock);
+	THREAD_KPRI_RELEASE();
+}
+
+void
+lxpr_initnodecache()
+{
+	lxpr_node_cache = kmem_cache_create(LXPRCACHE_NAME,
+	    sizeof (lxpr_node_t), 0,
+	    lxpr_node_constructor, lxpr_node_destructor, NULL, NULL, NULL, 0);
+}
+
+void
+lxpr_fininodecache()
+{
+	kmem_cache_destroy(lxpr_node_cache);
+}
+
+/* ARGSUSED */
+static int
+lxpr_node_constructor(void *buf, void *un, int kmflags)
+{
+	lxpr_node_t	*lxpnp = buf;
+	vnode_t		*vp;
+
+	vp = lxpnp->lxpr_vnode = vn_alloc(kmflags);
+	if (vp == NULL)
+		return (-1);
+
+	(void) vn_setops(vp, lxpr_vnodeops);
+	vp->v_data = lxpnp;
+
+	return (0);
+}
+
+/* ARGSUSED */
+static void
+lxpr_node_destructor(void *buf, void *un)
+{
+	lxpr_node_t	*lxpnp = buf;
+
+	vn_free(LXPTOV(lxpnp));
+}
+
+/*
+ * Calculate an inode number
+ *
+ * This takes various bits of info and munges them
+ * to give the inode number for an lxproc node
+ */
+ino_t
+lxpr_inode(lxpr_nodetype_t type, pid_t pid, int fd)
+{
+	if (pid == 1)
+		pid = curproc->p_zone->zone_proc_initpid;
+
+	switch (type) {
+	case LXPR_PIDDIR:
+		return (pid + 1);
+	case LXPR_PROCDIR:
+		return (maxpid + 2);
+	case LXPR_PID_FD_FD:
+		return (maxpid + 2 +
+		    (pid * (LXPR_FD_PERPROC + LXPR_NFILES)) +
+		    LXPR_NFILES + fd);
+	default:
+		return (maxpid + 2 +
+		    (pid * (LXPR_FD_PERPROC + LXPR_NFILES)) +
+		    type);
+	}
+}
+
+/*
+ * Return inode number of parent (directory)
+ */
+ino_t
+lxpr_parentinode(lxpr_node_t *lxpnp)
+{
+	/*
+	 * If the input node is the root then the parent inode
+	 * is the mounted on inode so just return our inode number
+	 */
+	if (lxpnp->lxpr_type != LXPR_PROCDIR)
+		return (VTOLXP(lxpnp->lxpr_parent)->lxpr_ino);
+	else
+		return (lxpnp->lxpr_ino);
+}
+
+/*
+ * Allocate a new lxproc node
+ *
+ * This also allocates the vnode associated with it
+ */
+lxpr_node_t *
+lxpr_getnode(vnode_t *dp, lxpr_nodetype_t type, proc_t *p, int fd)
+{
+	lxpr_node_t *lxpnp;
+	vnode_t *vp;
+	user_t *up;
+	timestruc_t now;
+
+	/*
+	 * Allocate a new node. It is deallocated in vop_innactive
+	 */
+	lxpnp = kmem_cache_alloc(lxpr_node_cache, KM_SLEEP);
+
+	/*
+	 * Set defaults (may be overridden below)
+	 */
+	gethrestime(&now);
+	lxpnp->lxpr_type = type;
+	lxpnp->lxpr_realvp = NULL;
+	lxpnp->lxpr_parent = dp;
+	VN_HOLD(dp);
+	if (p != NULL) {
+		lxpnp->lxpr_pid = ((p->p_pid ==
+		    curproc->p_zone->zone_proc_initpid) ? 1 : p->p_pid);
+
+		lxpnp->lxpr_time = PTOU(p)->u_start;
+		lxpnp->lxpr_uid = crgetruid(p->p_cred);
+		lxpnp->lxpr_gid = crgetrgid(p->p_cred);
+		lxpnp->lxpr_ino = lxpr_inode(type, p->p_pid, fd);
+	} else {
+		/* Pretend files without a proc belong to sched */
+		lxpnp->lxpr_pid = 0;
+		lxpnp->lxpr_time = now;
+		lxpnp->lxpr_uid = lxpnp->lxpr_gid = 0;
+		lxpnp->lxpr_ino = lxpr_inode(type, 0, 0);
+	}
+
+	/* initialize the vnode data */
+	vp = lxpnp->lxpr_vnode;
+	vn_reinit(vp);
+	vp->v_flag = VNOCACHE|VNOMAP|VNOSWAP|VNOMOUNT;
+	vp->v_vfsp = dp->v_vfsp;
+
+	/*
+	 * Do node specific stuff
+	 */
+	switch (type) {
+	case LXPR_PROCDIR:
+		vp->v_flag |= VROOT;
+		vp->v_type = VDIR;
+		lxpnp->lxpr_mode = 0555;	/* read-search by everyone */
+		break;
+
+	case LXPR_PID_CURDIR:
+		ASSERT(p != NULL);
+
+		/*
+		 * Zombie check.  p_stat is officially protected by pidlock,
+		 * but we can't grab pidlock here because we already hold
+		 * p_lock.  Luckily if we look at the process exit code
+		 * we see that p_stat only transisions from SRUN to SZOMB
+		 * while p_lock is held.  Aside from this, the only other
+		 * p_stat transition that we need to be aware about is
+		 * SIDL to SRUN, but that's not a problem since lxpr_lock()
+		 * ignores nodes in the SIDL state so we'll never get a node
+		 * that isn't already in the SRUN state.
+		 */
+		if (p->p_stat == SZOMB) {
+			lxpnp->lxpr_realvp = NULL;
+		} else {
+			up = PTOU(p);
+			lxpnp->lxpr_realvp = up->u_cdir;
+			ASSERT(lxpnp->lxpr_realvp != NULL);
+			VN_HOLD(lxpnp->lxpr_realvp);
+		}
+		vp->v_type = VLNK;
+		lxpnp->lxpr_mode = 0777;	/* anyone does anything ! */
+		break;
+
+	case LXPR_PID_ROOTDIR:
+		ASSERT(p != NULL);
+		/* Zombie check.  see locking comment above */
+		if (p->p_stat == SZOMB) {
+			lxpnp->lxpr_realvp = NULL;
+		} else {
+			up = PTOU(p);
+			lxpnp->lxpr_realvp =
+			    up->u_rdir != NULL ? up->u_rdir : rootdir;
+			ASSERT(lxpnp->lxpr_realvp != NULL);
+			VN_HOLD(lxpnp->lxpr_realvp);
+		}
+		vp->v_type = VLNK;
+		lxpnp->lxpr_mode = 0777;	/* anyone does anything ! */
+		break;
+
+	case LXPR_PID_EXE:
+		ASSERT(p != NULL);
+		lxpnp->lxpr_realvp = p->p_exec;
+		if (lxpnp->lxpr_realvp != NULL) {
+			VN_HOLD(lxpnp->lxpr_realvp);
+		}
+		vp->v_type = VLNK;
+		lxpnp->lxpr_mode = 0777;
+		break;
+
+	case LXPR_SELF:
+		vp->v_type = VLNK;
+		lxpnp->lxpr_mode = 0777;	/* anyone does anything ! */
+		break;
+
+	case LXPR_PID_FD_FD:
+		ASSERT(p != NULL);
+		/* lxpr_realvp is set after we return */
+		vp->v_type = VLNK;
+		lxpnp->lxpr_mode = 0700;	/* read-write-exe owner only */
+		break;
+
+	case LXPR_PID_FDDIR:
+		ASSERT(p != NULL);
+		vp->v_type = VDIR;
+		lxpnp->lxpr_mode = 0500;	/* read-search by owner only */
+		break;
+
+	case LXPR_PIDDIR:
+		ASSERT(p != NULL);
+		vp->v_type = VDIR;
+		lxpnp->lxpr_mode = 0511;
+		break;
+
+	case LXPR_NETDIR:
+		vp->v_type = VDIR;
+		lxpnp->lxpr_mode = 0555;	/* read-search by all */
+		break;
+
+	case LXPR_PID_ENV:
+	case LXPR_PID_MEM:
+		ASSERT(p != NULL);
+		/*FALLTHRU*/
+	case LXPR_KCORE:
+		vp->v_type = VREG;
+		lxpnp->lxpr_mode = 0400;	/* read-only by owner only */
+		break;
+
+	default:
+		vp->v_type = VREG;
+		lxpnp->lxpr_mode = 0444;	/* read-only by all */
+		break;
+	}
+
+	return (lxpnp);
+}
+
+
+/*
+ * Free the storage obtained from lxpr_getnode().
+ */
+void
+lxpr_freenode(lxpr_node_t *lxpnp)
+{
+	ASSERT(lxpnp != NULL);
+	ASSERT(LXPTOV(lxpnp) != NULL);
+
+	/*
+	 * delete any association with realvp
+	 */
+	if (lxpnp->lxpr_realvp != NULL)
+		VN_RELE(lxpnp->lxpr_realvp);
+
+	/*
+	 * delete any association with parent vp
+	 */
+	if (lxpnp->lxpr_parent != NULL)
+		VN_RELE(lxpnp->lxpr_parent);
+
+	/*
+	 * Release the lxprnode.
+	 */
+	kmem_cache_free(lxpr_node_cache, lxpnp);
+}
diff --git a/usr/src/uts/common/fs/lxproc/lxpr_vfsops.c b/usr/src/uts/common/fs/lxproc/lxpr_vfsops.c
new file mode 100644
index 0000000000..1bb7bd3823
--- /dev/null
+++ b/usr/src/uts/common/fs/lxproc/lxpr_vfsops.c
@@ -0,0 +1,367 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/cmn_err.h>
+#include <sys/cred.h>
+#include <sys/debug.h>
+#include <sys/errno.h>
+#include <sys/proc.h>
+#include <sys/stat.h>
+#include <sys/statvfs.h>
+#include <sys/sysmacros.h>
+#include <sys/systm.h>
+#include <sys/var.h>
+#include <sys/vfs.h>
+#include <sys/vfs_opreg.h>
+#include <sys/vnode.h>
+#include <sys/mode.h>
+#include <sys/signal.h>
+#include <sys/user.h>
+#include <sys/mount.h>
+#include <sys/bitmap.h>
+#include <sys/kmem.h>
+#include <sys/policy.h>
+#include <sys/modctl.h>
+#include <sys/sunddi.h>
+#include <sys/sunldi.h>
+
+#include "lxproc.h"
+
+/* Module level parameters */
+static int	lxprocfstype;
+static dev_t	lxprocdev;
+static kmutex_t	lxpr_mount_lock;
+
+int nproc_highbit;	/* highbit(v.v_nproc) */
+
+static int lxpr_mount(vfs_t *, vnode_t *, mounta_t *, cred_t *);
+static int lxpr_unmount(vfs_t *, int, cred_t *);
+static int lxpr_root(vfs_t *, vnode_t **);
+static int lxpr_statvfs(vfs_t *, statvfs64_t *);
+static int lxpr_init(int, char *);
+
+static vfsdef_t vfw = {
+	VFSDEF_VERSION,
+	"lxproc",
+	lxpr_init,
+	VSW_ZMOUNT,
+	NULL
+};
+
+/*
+ * Module linkage information for the kernel.
+ */
+extern struct mod_ops mod_fsops;
+
+static struct modlfs modlfs = {
+	&mod_fsops, "generic linux procfs", &vfw
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1, (void *)&modlfs, NULL
+};
+
+int
+_init(void)
+{
+	return (mod_install(&modlinkage));
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	int retval;
+
+	/*
+	 * attempt to unload the module
+	 */
+	if ((retval = mod_remove(&modlinkage)) != 0)
+		goto done;
+
+	/*
+	 * destroy lxpr_node cache
+	 */
+	lxpr_fininodecache();
+
+	/*
+	 * clean out the vfsops and vnodeops
+	 */
+	(void) vfs_freevfsops_by_type(lxprocfstype);
+	vn_freevnodeops(lxpr_vnodeops);
+
+	mutex_destroy(&lxpr_mount_lock);
+done:
+	return (retval);
+}
+
+static int
+lxpr_init(int fstype, char *name)
+{
+	static const fs_operation_def_t lxpr_vfsops_template[] = {
+		VFSNAME_MOUNT,		{ .vfs_mount = lxpr_mount },
+		VFSNAME_UNMOUNT,	{ .vfs_unmount = lxpr_unmount },
+		VFSNAME_ROOT,		{ .vfs_root = lxpr_root },
+		VFSNAME_STATVFS,	{ .vfs_statvfs = lxpr_statvfs },
+		NULL,			NULL
+	};
+	extern const fs_operation_def_t lxpr_vnodeops_template[];
+	int error;
+	major_t dev;
+
+	nproc_highbit = highbit(v.v_proc);
+	lxprocfstype = fstype;
+	ASSERT(lxprocfstype != 0);
+
+	mutex_init(&lxpr_mount_lock, NULL, MUTEX_DEFAULT, NULL);
+
+	/*
+	 * Associate VFS ops vector with this fstype.
+	 */
+	error = vfs_setfsops(fstype, lxpr_vfsops_template, NULL);
+	if (error != 0) {
+		cmn_err(CE_WARN, "lxpr_init: bad vfs ops template");
+		return (error);
+	}
+
+	/*
+	 * Set up vnode ops vector too.
+	 */
+	error = vn_make_ops(name, lxpr_vnodeops_template, &lxpr_vnodeops);
+	if (error != 0) {
+		(void) vfs_freevfsops_by_type(fstype);
+		cmn_err(CE_WARN, "lxpr_init: bad vnode ops template");
+		return (error);
+	}
+
+	/*
+	 * Assign a unique "device" number (used by stat(2)).
+	 */
+	if ((dev = getudev()) == (major_t)-1) {
+		cmn_err(CE_WARN, "lxpr_init: can't get unique device number");
+		dev = 0;
+	}
+
+	/*
+	 * Make the pseudo device
+	 */
+	lxprocdev = makedevice(dev, 0);
+
+	/*
+	 * Initialize cache for lxpr_nodes
+	 */
+	lxpr_initnodecache();
+
+	return (0);
+}
+
+static int
+lxpr_mount(vfs_t *vfsp, vnode_t *mvp, mounta_t *uap, cred_t *cr)
+{
+	lxpr_mnt_t *lxpr_mnt;
+	zone_t *zone = curproc->p_zone;
+	ldi_ident_t li;
+	int err;
+
+	/*
+	 * must be root to mount
+	 */
+	if (secpolicy_fs_mount(cr, mvp, vfsp) != 0)
+		return (EPERM);
+
+	/*
+	 * mount point must be a directory
+	 */
+	if (mvp->v_type != VDIR)
+		return (ENOTDIR);
+
+	if (zone == global_zone) {
+		zone_t *mntzone;
+
+		mntzone = zone_find_by_path(refstr_value(vfsp->vfs_mntpt));
+		zone_rele(mntzone);
+		if (zone != mntzone)
+			return (EBUSY);
+	}
+
+	/*
+	 * Having the resource be anything but "lxproc" doesn't make sense
+	 */
+	vfs_setresource(vfsp, "lxproc", 0);
+
+	lxpr_mnt = kmem_alloc(sizeof (*lxpr_mnt), KM_SLEEP);
+
+	if ((err = ldi_ident_from_mod(&modlinkage, &li)) != 0) {
+		kmem_free(lxpr_mnt, sizeof (*lxpr_mnt));
+		return (err);
+	}
+
+	lxpr_mnt->lxprm_li = li;
+
+	mutex_enter(&lxpr_mount_lock);
+
+	/*
+	 * Ensure we don't allow overlaying mounts
+	 */
+	mutex_enter(&mvp->v_lock);
+	if ((uap->flags & MS_OVERLAY) == 0 &&
+	    (mvp->v_count > 1 || (mvp->v_flag & VROOT))) {
+		mutex_exit(&mvp->v_lock);
+		mutex_exit(&lxpr_mount_lock);
+		kmem_free(lxpr_mnt, sizeof ((*lxpr_mnt)));
+		return (EBUSY);
+	}
+	mutex_exit(&mvp->v_lock);
+
+	/*
+	 * allocate the first vnode
+	 */
+	zone_hold(lxpr_mnt->lxprm_zone = zone);
+
+	/* Arbitrarily set the parent vnode to the mounted over directory */
+	lxpr_mnt->lxprm_node = lxpr_getnode(mvp, LXPR_PROCDIR, NULL, 0);
+
+	/* Correctly set the fs for the root node */
+	lxpr_mnt->lxprm_node->lxpr_vnode->v_vfsp = vfsp;
+
+	vfs_make_fsid(&vfsp->vfs_fsid, lxprocdev, lxprocfstype);
+	vfsp->vfs_bsize = DEV_BSIZE;
+	vfsp->vfs_fstype = lxprocfstype;
+	vfsp->vfs_data = (caddr_t)lxpr_mnt;
+	vfsp->vfs_dev = lxprocdev;
+
+	mutex_exit(&lxpr_mount_lock);
+
+	return (0);
+}
+
+static int
+lxpr_unmount(vfs_t *vfsp, int flag, cred_t *cr)
+{
+	lxpr_mnt_t *lxpr_mnt = (lxpr_mnt_t *)vfsp->vfs_data;
+	vnode_t *vp;
+	int count;
+
+	ASSERT(lxpr_mnt != NULL);
+	vp = LXPTOV(lxpr_mnt->lxprm_node);
+
+	mutex_enter(&lxpr_mount_lock);
+
+	/*
+	 * must be root to unmount
+	 */
+	if (secpolicy_fs_unmount(cr, vfsp) != 0) {
+		mutex_exit(&lxpr_mount_lock);
+		return (EPERM);
+	}
+
+	/*
+	 * forced unmount is not supported by this file system
+	 */
+	if (flag & MS_FORCE) {
+		mutex_exit(&lxpr_mount_lock);
+		return (ENOTSUP);
+	}
+
+	/*
+	 * Ensure that no vnodes are in use on this mount point.
+	 */
+	mutex_enter(&vp->v_lock);
+	count = vp->v_count;
+	mutex_exit(&vp->v_lock);
+	if (count > 1) {
+		mutex_exit(&lxpr_mount_lock);
+		return (EBUSY);
+	}
+
+	/*
+	 * purge the dnlc cache for vnode entries
+	 * associated with this file system
+	 */
+	count = dnlc_purge_vfsp(vfsp, 0);
+
+	/*
+	 * free up the lxprnode
+	 */
+	lxpr_freenode(lxpr_mnt->lxprm_node);
+	zone_rele(lxpr_mnt->lxprm_zone);
+	kmem_free(lxpr_mnt, sizeof (*lxpr_mnt));
+
+	mutex_exit(&lxpr_mount_lock);
+
+	return (0);
+}
+
+static int
+lxpr_root(vfs_t *vfsp, vnode_t **vpp)
+{
+	lxpr_node_t *lxpnp = ((lxpr_mnt_t *)vfsp->vfs_data)->lxprm_node;
+	vnode_t *vp = LXPTOV(lxpnp);
+
+	VN_HOLD(vp);
+	*vpp = vp;
+	return (0);
+}
+
+static int
+lxpr_statvfs(vfs_t *vfsp, statvfs64_t *sp)
+{
+	int n;
+	dev32_t d32;
+	extern uint_t nproc;
+
+	n = v.v_proc - nproc;
+
+	bzero((caddr_t)sp, sizeof (*sp));
+	sp->f_bsize	= DEV_BSIZE;
+	sp->f_frsize	= DEV_BSIZE;
+	sp->f_blocks	= (fsblkcnt64_t)0;
+	sp->f_bfree	= (fsblkcnt64_t)0;
+	sp->f_bavail	= (fsblkcnt64_t)0;
+	sp->f_files	= (fsfilcnt64_t)v.v_proc + 2;
+	sp->f_ffree	= (fsfilcnt64_t)n;
+	sp->f_favail	= (fsfilcnt64_t)n;
+	(void) cmpldev(&d32, vfsp->vfs_dev);
+	sp->f_fsid	= d32;
+	/* It is guaranteed that vsw_name will fit in f_basetype */
+	(void) strcpy(sp->f_basetype, vfssw[lxprocfstype].vsw_name);
+	sp->f_flag = vf_to_stf(vfsp->vfs_flag);
+	sp->f_namemax = 64;		/* quite arbitrary */
+
+	(void) strcpy(sp->f_fstr, "lxproc");
+
+	return (0);
+}
diff --git a/usr/src/uts/common/fs/lxproc/lxpr_vnops.c b/usr/src/uts/common/fs/lxproc/lxpr_vnops.c
new file mode 100644
index 0000000000..b5f31ad0cf
--- /dev/null
+++ b/usr/src/uts/common/fs/lxproc/lxpr_vnops.c
@@ -0,0 +1,3099 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc. All rights reserved.
+ */
+
+/*
+ * lxproc -- a loosely Linux-compatible /proc
+ *
+ * We have -- confusingly -- two implementations of Linux /proc.  One is to
+ * support the LX brand with a Linux /proc entirely compatible with the Linux
+ * world view; the other -- this one -- is to support native (but Linux-borne)
+ * programs that wish to view the native system via the Linux /proc model.  So
+ * the aspiration here is to provide something that sufficiently approximates
+ * the Linux /proc implementation for purposes of offering some compatibility
+ * for simple Linux /proc readers (e.g., ps/top/htop).  However, it is not
+ * intended to exactly mimic Linux semantics; when choosing between offering
+ * compatibility and telling the truth, we emphatically pick the truth.  A
+ * particular glaring example of this is the Linux notion of "tasks" (that is,
+ * threads), which -- due to historical misadventures on Linux -- allocate their
+ * identifiers from the process identifier space.  (That is, each thread has in
+ * effect a pid.)  Some Linux /proc readers have come to depend on this
+ * attribute, and become confused when threads appear with proper identifiers,
+ * so we simply opt for the pre-2.6 behavior, and do not present the tasks
+ * directory at all.  Similarly, when choosing between offering compatibility
+ * and remaining consistent with our broader security model, we (obviously)
+ * choose security over compatibility.  In short, this is meant to be a best
+ * effort -- no more -- and as such, it should not be unified with the much
+ * more complete Linux /proc implementation found in the LX brand.
+ */
+
+#include <sys/cpupart.h>
+#include <sys/cpuvar.h>
+#include <sys/session.h>
+#include <sys/vmparam.h>
+#include <sys/mman.h>
+#include <vm/rm.h>
+#include <vm/seg_vn.h>
+#include <sys/sdt.h>
+#include <sys/strlog.h>
+#include <sys/stropts.h>
+#include <sys/cmn_err.h>
+#include <sys/x86_archext.h>
+#include <sys/archsystm.h>
+#include <sys/fp.h>
+#include <sys/pool_pset.h>
+#include <sys/pset.h>
+#include <sys/zone.h>
+#include <sys/pghw.h>
+#include <sys/vfs_opreg.h>
+
+/* Dependent on procfs */
+extern kthread_t *prchoose(proc_t *);
+
+#include "lxproc.h"
+
+extern pgcnt_t swapfs_minfree;
+extern time_t boot_time;
+
+/*
+ * Pointer to the vnode ops vector for this fs.
+ * This is instantiated in lxprinit() in lxpr_vfsops.c
+ */
+vnodeops_t *lxpr_vnodeops;
+
+static int lxpr_open(vnode_t **, int, cred_t *, caller_context_t *);
+static int lxpr_close(vnode_t *, int, int, offset_t, cred_t *,
+    caller_context_t *);
+static int lxpr_read(vnode_t *, uio_t *, int, cred_t *, caller_context_t *);
+static int lxpr_getattr(vnode_t *, vattr_t *, int, cred_t *,
+    caller_context_t *);
+static int lxpr_access(vnode_t *, int, int, cred_t *, caller_context_t *);
+static int lxpr_lookup(vnode_t *, char *, vnode_t **,
+    pathname_t *, int, vnode_t *, cred_t *, caller_context_t *, int *,
+    pathname_t *);
+static int lxpr_readdir(vnode_t *, uio_t *, cred_t *, int *,
+    caller_context_t *, int);
+static int lxpr_readlink(vnode_t *, uio_t *, cred_t *, caller_context_t *);
+static int lxpr_cmp(vnode_t *, vnode_t *, caller_context_t *);
+static int lxpr_realvp(vnode_t *, vnode_t **, caller_context_t *);
+static int lxpr_sync(void);
+static void lxpr_inactive(vnode_t *, cred_t *, caller_context_t *);
+
+static vnode_t *lxpr_lookup_procdir(vnode_t *, char *);
+static vnode_t *lxpr_lookup_piddir(vnode_t *, char *);
+static vnode_t *lxpr_lookup_not_a_dir(vnode_t *, char *);
+static vnode_t *lxpr_lookup_fddir(vnode_t *, char *);
+static vnode_t *lxpr_lookup_netdir(vnode_t *, char *);
+
+static int lxpr_readdir_procdir(lxpr_node_t *, uio_t *, int *);
+static int lxpr_readdir_piddir(lxpr_node_t *, uio_t *, int *);
+static int lxpr_readdir_not_a_dir(lxpr_node_t *, uio_t *, int *);
+static int lxpr_readdir_fddir(lxpr_node_t *, uio_t *, int *);
+static int lxpr_readdir_netdir(lxpr_node_t *, uio_t *, int *);
+
+static void lxpr_read_invalid(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_empty(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_cpuinfo(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_isdir(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_fd(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_kmsg(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_loadavg(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_meminfo(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_mounts(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_partitions(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_stat(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_uptime(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_version(lxpr_node_t *, lxpr_uiobuf_t *);
+
+static void lxpr_read_pid_cmdline(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_pid_maps(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_pid_stat(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_pid_statm(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_pid_status(lxpr_node_t *, lxpr_uiobuf_t *);
+
+static void lxpr_read_net_arp(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_dev(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_dev_mcast(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_igmp(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_ip_mr_cache(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_ip_mr_vif(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_mcfilter(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_netstat(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_raw(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_route(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_rpc(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_rt_cache(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_sockstat(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_snmp(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_stat(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_tcp(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_udp(lxpr_node_t *, lxpr_uiobuf_t *);
+static void lxpr_read_net_unix(lxpr_node_t *, lxpr_uiobuf_t *);
+
+/*
+ * Simple conversion
+ */
+#define	btok(x)	((x) >> 10)			/* bytes to kbytes */
+#define	ptok(x)	((x) << (PAGESHIFT - 10))	/* pages to kbytes */
+
+/*
+ * The lxproc vnode operations vector
+ */
+const fs_operation_def_t lxpr_vnodeops_template[] = {
+	VOPNAME_OPEN,		{ .vop_open = lxpr_open },
+	VOPNAME_CLOSE,		{ .vop_close = lxpr_close },
+	VOPNAME_READ,		{ .vop_read = lxpr_read },
+	VOPNAME_GETATTR,	{ .vop_getattr = lxpr_getattr },
+	VOPNAME_ACCESS,		{ .vop_access = lxpr_access },
+	VOPNAME_LOOKUP,		{ .vop_lookup = lxpr_lookup },
+	VOPNAME_READDIR,	{ .vop_readdir = lxpr_readdir },
+	VOPNAME_READLINK,	{ .vop_readlink = lxpr_readlink },
+	VOPNAME_FSYNC,		{ .error = lxpr_sync },
+	VOPNAME_SEEK,		{ .error = lxpr_sync },
+	VOPNAME_INACTIVE,	{ .vop_inactive = lxpr_inactive },
+	VOPNAME_CMP,		{ .vop_cmp = lxpr_cmp },
+	VOPNAME_REALVP,		{ .vop_realvp = lxpr_realvp },
+	NULL,			NULL
+};
+
+/*
+ * file contents of an lxproc directory.
+ */
+static lxpr_dirent_t lxpr_dir[] = {
+	{ LXPR_CMDLINE,		"cmdline" },
+	{ LXPR_CPUINFO,		"cpuinfo" },
+	{ LXPR_DEVICES,		"devices" },
+	{ LXPR_DMA,		"dma" },
+	{ LXPR_FILESYSTEMS,	"filesystems" },
+	{ LXPR_INTERRUPTS,	"interrupts" },
+	{ LXPR_IOPORTS,		"ioports" },
+	{ LXPR_KCORE,		"kcore" },
+	{ LXPR_KMSG,		"kmsg" },
+	{ LXPR_LOADAVG,		"loadavg" },
+	{ LXPR_MEMINFO,		"meminfo" },
+	{ LXPR_MOUNTS,		"mounts" },
+	{ LXPR_NETDIR,		"net" },
+	{ LXPR_PARTITIONS,	"partitions" },
+	{ LXPR_SELF,		"self" },
+	{ LXPR_STAT,		"stat" },
+	{ LXPR_UPTIME,		"uptime" },
+	{ LXPR_VERSION,		"version" }
+};
+
+#define	PROCDIRFILES	(sizeof (lxpr_dir) / sizeof (lxpr_dir[0]))
+
+/*
+ * Contents of an /lxproc/<pid> directory.
+ */
+static lxpr_dirent_t piddir[] = {
+	{ LXPR_PID_CMDLINE,	"cmdline" },
+	{ LXPR_PID_CPU,		"cpu" },
+	{ LXPR_PID_CURDIR,	"cwd" },
+	{ LXPR_PID_ENV,		"environ" },
+	{ LXPR_PID_EXE,		"exe" },
+	{ LXPR_PID_MAPS,	"maps" },
+	{ LXPR_PID_MEM,		"mem" },
+	{ LXPR_PID_ROOTDIR,	"root" },
+	{ LXPR_PID_STAT,	"stat" },
+	{ LXPR_PID_STATM,	"statm" },
+	{ LXPR_PID_STATUS,	"status" },
+	{ LXPR_PID_FDDIR,	"fd" }
+};
+
+#define	PIDDIRFILES	(sizeof (piddir) / sizeof (piddir[0]))
+
+/*
+ * contents of /lxproc/net directory
+ */
+static lxpr_dirent_t netdir[] = {
+	{ LXPR_NET_ARP,		"arp" },
+	{ LXPR_NET_DEV,		"dev" },
+	{ LXPR_NET_DEV_MCAST,	"dev_mcast" },
+	{ LXPR_NET_IGMP,	"igmp" },
+	{ LXPR_NET_IP_MR_CACHE,	"ip_mr_cache" },
+	{ LXPR_NET_IP_MR_VIF,	"ip_mr_vif" },
+	{ LXPR_NET_MCFILTER,	"mcfilter" },
+	{ LXPR_NET_NETSTAT,	"netstat" },
+	{ LXPR_NET_RAW,		"raw" },
+	{ LXPR_NET_ROUTE,	"route" },
+	{ LXPR_NET_RPC,		"rpc" },
+	{ LXPR_NET_RT_CACHE,	"rt_cache" },
+	{ LXPR_NET_SOCKSTAT,	"sockstat" },
+	{ LXPR_NET_SNMP,	"snmp" },
+	{ LXPR_NET_STAT,	"stat" },
+	{ LXPR_NET_TCP,		"tcp" },
+	{ LXPR_NET_UDP,		"udp" },
+	{ LXPR_NET_UNIX,	"unix" }
+};
+
+#define	NETDIRFILES	(sizeof (netdir) / sizeof (netdir[0]))
+
+/*
+ * These are the major signal number differences between Linux and native:
+ *
+ * 	====================================
+ * 	| Number | Linux      | Native     |
+ * 	| ====== | =========  | ========== |
+ *	|    7   | SIGBUS     | SIGEMT     |
+ *	|   10   | SIGUSR1    | SIGBUS     |
+ *	|   12   | SIGUSR2    | SIGSYS     |
+ *	|   16   | SIGSTKFLT  | SIGUSR1    |
+ *	|   17   | SIGCHLD    | SIGUSR2    |
+ * 	|   18   | SIGCONT    | SIGCHLD    |
+ *	|   19   | SIGSTOP    | SIGPWR     |
+ * 	|   20   | SIGTSTP    | SIGWINCH   |
+ * 	|   21   | SIGTTIN    | SIGURG     |
+ * 	|   22   | SIGTTOU    | SIGPOLL    |
+ *	|   23   | SIGURG     | SIGSTOP    |
+ * 	|   24   | SIGXCPU    | SIGTSTP    |
+ *	|   25   | SIGXFSZ    | SIGCONT    |
+ *	|   26   | SIGVTALARM | SIGTTIN    |
+ *	|   27   | SIGPROF    | SIGTTOU    |
+ *	|   28   | SIGWINCH   | SIGVTALARM |
+ *	|   29   | SIGPOLL    | SIGPROF    |
+ *	|   30   | SIGPWR     | SIGXCPU    |
+ *	|   31   | SIGSYS     | SIGXFSZ    |
+ * 	====================================
+ *
+ * Not every Linux signal maps to a native signal, nor does every native
+ * signal map to a Linux counterpart. However, when signals do map, the
+ * mapping is unique.
+ */
+static int
+lxpr_sigmap[NSIG] = {
+	0,
+	LX_SIGHUP,
+	LX_SIGINT,
+	LX_SIGQUIT,
+	LX_SIGILL,
+	LX_SIGTRAP,
+	LX_SIGABRT,
+	LX_SIGSTKFLT,
+	LX_SIGFPE,
+	LX_SIGKILL,
+	LX_SIGBUS,
+	LX_SIGSEGV,
+	LX_SIGSYS,
+	LX_SIGPIPE,
+	LX_SIGALRM,
+	LX_SIGTERM,
+	LX_SIGUSR1,
+	LX_SIGUSR2,
+	LX_SIGCHLD,
+	LX_SIGPWR,
+	LX_SIGWINCH,
+	LX_SIGURG,
+	LX_SIGPOLL,
+	LX_SIGSTOP,
+	LX_SIGTSTP,
+	LX_SIGCONT,
+	LX_SIGTTIN,
+	LX_SIGTTOU,
+	LX_SIGVTALRM,
+	LX_SIGPROF,
+	LX_SIGXCPU,
+	LX_SIGXFSZ,
+	-1,			/* 32:  illumos SIGWAITING */
+	-1,			/* 33:  illumos SIGLWP */
+	-1,			/* 34:  illumos SIGFREEZE */
+	-1,			/* 35:  illumos SIGTHAW */
+	-1,			/* 36:  illumos SIGCANCEL */
+	-1,			/* 37:  illumos SIGLOST */
+	-1,			/* 38:  illumos SIGXRES */
+	-1,			/* 39:  illumos SIGJVM1 */
+	-1,			/* 40:  illumos SIGJVM2 */
+	-1,			/* 41:  illumos SIGINFO */
+	LX_SIGRTMIN,		/* 42:  illumos _SIGRTMIN */
+	LX_SIGRTMIN + 1,
+	LX_SIGRTMIN + 2,
+	LX_SIGRTMIN + 3,
+	LX_SIGRTMIN + 4,
+	LX_SIGRTMIN + 5,
+	LX_SIGRTMIN + 6,
+	LX_SIGRTMIN + 7,
+	LX_SIGRTMIN + 8,
+	LX_SIGRTMIN + 9,
+	LX_SIGRTMIN + 10,
+	LX_SIGRTMIN + 11,
+	LX_SIGRTMIN + 12,
+	LX_SIGRTMIN + 13,
+	LX_SIGRTMIN + 14,
+	LX_SIGRTMIN + 15,
+	LX_SIGRTMIN + 16,
+	LX_SIGRTMIN + 17,
+	LX_SIGRTMIN + 18,
+	LX_SIGRTMIN + 19,
+	LX_SIGRTMIN + 20,
+	LX_SIGRTMIN + 21,
+	LX_SIGRTMIN + 22,
+	LX_SIGRTMIN + 23,
+	LX_SIGRTMIN + 24,
+	LX_SIGRTMIN + 25,
+	LX_SIGRTMIN + 26,
+	LX_SIGRTMIN + 27,
+	LX_SIGRTMIN + 28,
+	LX_SIGRTMIN + 29,
+	LX_SIGRTMIN + 30,
+	LX_SIGRTMAX
+};
+
+/*
+ * lxpr_open(): Vnode operation for VOP_OPEN()
+ */
+static int
+lxpr_open(vnode_t **vpp, int flag, cred_t *cr, caller_context_t *ct)
+{
+	vnode_t		*vp = *vpp;
+	lxpr_node_t	*lxpnp = VTOLXP(vp);
+	lxpr_nodetype_t	type = lxpnp->lxpr_type;
+	vnode_t		*rvp;
+	int		error = 0;
+
+	/*
+	 * We only allow reading in this file systrem
+	 */
+	if (flag & FWRITE)
+		return (EROFS);
+
+	/*
+	 * If we are opening an underlying file only allow regular files
+	 * reject the open for anything but a regular file.
+	 * Just do it if we are opening the current or root directory.
+	 */
+	if (lxpnp->lxpr_realvp != NULL) {
+		rvp = lxpnp->lxpr_realvp;
+
+		if (type == LXPR_PID_FD_FD && rvp->v_type != VREG)
+			error = EACCES;
+		else {
+			/*
+			 * Need to hold rvp since VOP_OPEN() may release it.
+			 */
+			VN_HOLD(rvp);
+			error = VOP_OPEN(&rvp, flag, cr, ct);
+			if (error) {
+				VN_RELE(rvp);
+			} else {
+				*vpp = rvp;
+				VN_RELE(vp);
+			}
+		}
+	}
+
+	return (error);
+}
+
+
+/*
+ * lxpr_close(): Vnode operation for VOP_CLOSE()
+ */
+/* ARGSUSED */
+static int
+lxpr_close(vnode_t *vp, int flag, int count, offset_t offset, cred_t *cr,
+    caller_context_t *ct)
+{
+	lxpr_node_t	*lxpr = VTOLXP(vp);
+	lxpr_nodetype_t	type = lxpr->lxpr_type;
+
+	/*
+	 * we should never get here because the close is done on the realvp
+	 * for these nodes
+	 */
+	ASSERT(type != LXPR_PID_FD_FD &&
+	    type != LXPR_PID_CURDIR &&
+	    type != LXPR_PID_ROOTDIR &&
+	    type != LXPR_PID_EXE);
+
+	return (0);
+}
+
+static void (*lxpr_read_function[LXPR_NFILES])() = {
+	lxpr_read_isdir,		/* /proc		*/
+	lxpr_read_isdir,		/* /proc/<pid>		*/
+	lxpr_read_pid_cmdline,		/* /proc/<pid>/cmdline	*/
+	lxpr_read_empty,		/* /proc/<pid>/cpu	*/
+	lxpr_read_invalid,		/* /proc/<pid>/cwd	*/
+	lxpr_read_empty,		/* /proc/<pid>/environ	*/
+	lxpr_read_invalid,		/* /proc/<pid>/exe	*/
+	lxpr_read_pid_maps,		/* /proc/<pid>/maps	*/
+	lxpr_read_empty,		/* /proc/<pid>/mem	*/
+	lxpr_read_invalid,		/* /proc/<pid>/root	*/
+	lxpr_read_pid_stat,		/* /proc/<pid>/stat	*/
+	lxpr_read_pid_statm,		/* /proc/<pid>/statm	*/
+	lxpr_read_pid_status,		/* /proc/<pid>/status	*/
+	lxpr_read_isdir,		/* /proc/<pid>/fd	*/
+	lxpr_read_fd,			/* /proc/<pid>/fd/nn	*/
+	lxpr_read_empty,		/* /proc/cmdline	*/
+	lxpr_read_cpuinfo,		/* /proc/cpuinfo	*/
+	lxpr_read_empty,		/* /proc/devices	*/
+	lxpr_read_empty,		/* /proc/dma		*/
+	lxpr_read_empty,		/* /proc/filesystems	*/
+	lxpr_read_empty,		/* /proc/interrupts	*/
+	lxpr_read_empty,		/* /proc/ioports	*/
+	lxpr_read_empty,		/* /proc/kcore		*/
+	lxpr_read_kmsg,			/* /proc/kmsg		*/
+	lxpr_read_loadavg,		/* /proc/loadavg	*/
+	lxpr_read_meminfo,		/* /proc/meminfo	*/
+	lxpr_read_mounts,		/* /proc/mounts		*/
+	lxpr_read_isdir,		/* /proc/net		*/
+	lxpr_read_net_arp,		/* /proc/net/arp	*/
+	lxpr_read_net_dev,		/* /proc/net/dev	*/
+	lxpr_read_net_dev_mcast,	/* /proc/net/dev_mcast	*/
+	lxpr_read_net_igmp,		/* /proc/net/igmp	*/
+	lxpr_read_net_ip_mr_cache,	/* /proc/net/ip_mr_cache */
+	lxpr_read_net_ip_mr_vif,	/* /proc/net/ip_mr_vif	*/
+	lxpr_read_net_mcfilter,		/* /proc/net/mcfilter	*/
+	lxpr_read_net_netstat,		/* /proc/net/netstat	*/
+	lxpr_read_net_raw,		/* /proc/net/raw	*/
+	lxpr_read_net_route,		/* /proc/net/route	*/
+	lxpr_read_net_rpc,		/* /proc/net/rpc	*/
+	lxpr_read_net_rt_cache,		/* /proc/net/rt_cache	*/
+	lxpr_read_net_sockstat,		/* /proc/net/sockstat	*/
+	lxpr_read_net_snmp,		/* /proc/net/snmp	*/
+	lxpr_read_net_stat,		/* /proc/net/stat	*/
+	lxpr_read_net_tcp,		/* /proc/net/tcp	*/
+	lxpr_read_net_udp,		/* /proc/net/udp	*/
+	lxpr_read_net_unix,		/* /proc/net/unix	*/
+	lxpr_read_partitions,		/* /proc/partitions	*/
+	lxpr_read_invalid,		/* /proc/self		*/
+	lxpr_read_stat,			/* /proc/stat		*/
+	lxpr_read_uptime,		/* /proc/uptime		*/
+	lxpr_read_version,		/* /proc/version	*/
+};
+
+/*
+ * Array of lookup functions, indexed by /lxproc file type.
+ */
+static vnode_t *(*lxpr_lookup_function[LXPR_NFILES])() = {
+	lxpr_lookup_procdir,		/* /proc		*/
+	lxpr_lookup_piddir,		/* /proc/<pid>		*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/cmdline	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/cpu	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/cwd	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/environ	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/exe	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/maps	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/mem	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/root	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/stat	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/statm	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/status	*/
+	lxpr_lookup_fddir,		/* /proc/<pid>/fd	*/
+	lxpr_lookup_not_a_dir,		/* /proc/<pid>/fd/nn	*/
+	lxpr_lookup_not_a_dir,		/* /proc/cmdline	*/
+	lxpr_lookup_not_a_dir,		/* /proc/cpuinfo	*/
+	lxpr_lookup_not_a_dir,		/* /proc/devices	*/
+	lxpr_lookup_not_a_dir,		/* /proc/dma		*/
+	lxpr_lookup_not_a_dir,		/* /proc/filesystems	*/
+	lxpr_lookup_not_a_dir,		/* /proc/interrupts	*/
+	lxpr_lookup_not_a_dir,		/* /proc/ioports	*/
+	lxpr_lookup_not_a_dir,		/* /proc/kcore		*/
+	lxpr_lookup_not_a_dir,		/* /proc/kmsg		*/
+	lxpr_lookup_not_a_dir,		/* /proc/loadavg	*/
+	lxpr_lookup_not_a_dir,		/* /proc/meminfo	*/
+	lxpr_lookup_not_a_dir,		/* /proc/mounts		*/
+	lxpr_lookup_netdir,		/* /proc/net		*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/arp	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/dev	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/dev_mcast	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/igmp	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/ip_mr_cache */
+	lxpr_lookup_not_a_dir,		/* /proc/net/ip_mr_vif	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/mcfilter	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/netstat	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/raw	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/route	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/rpc	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/rt_cache	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/sockstat	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/snmp	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/stat	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/tcp	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/udp	*/
+	lxpr_lookup_not_a_dir,		/* /proc/net/unix	*/
+	lxpr_lookup_not_a_dir,		/* /proc/partitions	*/
+	lxpr_lookup_not_a_dir,		/* /proc/self		*/
+	lxpr_lookup_not_a_dir,		/* /proc/stat		*/
+	lxpr_lookup_not_a_dir,		/* /proc/uptime		*/
+	lxpr_lookup_not_a_dir,		/* /proc/version	*/
+};
+
+/*
+ * Array of readdir functions, indexed by /proc file type.
+ */
+static int (*lxpr_readdir_function[LXPR_NFILES])() = {
+	lxpr_readdir_procdir,		/* /proc		*/
+	lxpr_readdir_piddir,		/* /proc/<pid>		*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/cmdline	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/cpu	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/cwd	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/environ	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/exe	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/maps	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/mem	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/root	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/stat	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/statm	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/status	*/
+	lxpr_readdir_fddir,		/* /proc/<pid>/fd	*/
+	lxpr_readdir_not_a_dir,		/* /proc/<pid>/fd/nn	*/
+	lxpr_readdir_not_a_dir,		/* /proc/cmdline	*/
+	lxpr_readdir_not_a_dir,		/* /proc/cpuinfo	*/
+	lxpr_readdir_not_a_dir,		/* /proc/devices	*/
+	lxpr_readdir_not_a_dir,		/* /proc/dma		*/
+	lxpr_readdir_not_a_dir,		/* /proc/filesystems	*/
+	lxpr_readdir_not_a_dir,		/* /proc/interrupts	*/
+	lxpr_readdir_not_a_dir,		/* /proc/ioports	*/
+	lxpr_readdir_not_a_dir,		/* /proc/kcore		*/
+	lxpr_readdir_not_a_dir,		/* /proc/kmsg		*/
+	lxpr_readdir_not_a_dir,		/* /proc/loadavg	*/
+	lxpr_readdir_not_a_dir,		/* /proc/meminfo	*/
+	lxpr_readdir_not_a_dir,		/* /proc/mounts		*/
+	lxpr_readdir_netdir,		/* /proc/net		*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/arp	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/dev	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/dev_mcast	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/igmp	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/ip_mr_cache */
+	lxpr_readdir_not_a_dir,		/* /proc/net/ip_mr_vif	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/mcfilter	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/netstat	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/raw	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/route	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/rpc	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/rt_cache	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/sockstat	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/snmp	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/stat	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/tcp	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/udp	*/
+	lxpr_readdir_not_a_dir,		/* /proc/net/unix	*/
+	lxpr_readdir_not_a_dir,		/* /proc/partitions	*/
+	lxpr_readdir_not_a_dir,		/* /proc/self		*/
+	lxpr_readdir_not_a_dir,		/* /proc/stat		*/
+	lxpr_readdir_not_a_dir,		/* /proc/uptime		*/
+	lxpr_readdir_not_a_dir,		/* /proc/version	*/
+};
+
+
+/*
+ * lxpr_read(): Vnode operation for VOP_READ()
+ *
+ * As the format of all the files that can be read in lxproc is human readable
+ * and not binary structures there do not have to be different read variants
+ * depending on whether the reading process model is 32- or 64-bit.
+ */
+/* ARGSUSED */
+static int
+lxpr_read(vnode_t *vp, uio_t *uiop, int ioflag, cred_t *cr,
+    caller_context_t *ct)
+{
+	lxpr_node_t *lxpnp = VTOLXP(vp);
+	lxpr_nodetype_t type = lxpnp->lxpr_type;
+	lxpr_uiobuf_t *uiobuf = lxpr_uiobuf_new(uiop);
+	int error;
+
+	ASSERT(type < LXPR_NFILES);
+
+	if (type == LXPR_KMSG) {
+		ldi_ident_t	li = VTOLXPM(vp)->lxprm_li;
+		struct strioctl	str;
+		int		rv;
+
+		/*
+		 * Open the zone's console device using the layered driver
+		 * interface.
+		 */
+		if ((error = ldi_open_by_name("/dev/log", FREAD, cr,
+		    &lxpnp->lxpr_cons_ldih, li)) != 0)
+			return (error);
+
+		/*
+		 * Send an ioctl to the underlying console device, letting it
+		 * know we're interested in getting console messages.
+		 */
+		str.ic_cmd = I_CONSLOG;
+		str.ic_timout = 0;
+		str.ic_len = 0;
+		str.ic_dp = NULL;
+		if ((error = ldi_ioctl(lxpnp->lxpr_cons_ldih, I_STR,
+		    (intptr_t)&str, FKIOCTL, cr, &rv)) != 0)
+			return (error);
+	}
+
+	lxpr_read_function[type](lxpnp, uiobuf);
+
+	if (type == LXPR_KMSG) {
+		if ((error = ldi_close(lxpnp->lxpr_cons_ldih, FREAD, cr)) != 0)
+			return (error);
+	}
+
+	error = lxpr_uiobuf_flush(uiobuf);
+	lxpr_uiobuf_free(uiobuf);
+
+	return (error);
+}
+
+/*
+ * lxpr_read_invalid(), lxpr_read_isdir(), lxpr_read_empty()
+ *
+ * Various special case reads:
+ * - trying to read a directory
+ * - invalid file (used to mean a file that should be implemented,
+ *   but isn't yet)
+ * - empty file
+ * - wait to be able to read a file that will never have anything to read
+ */
+/* ARGSUSED */
+static void
+lxpr_read_isdir(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	lxpr_uiobuf_seterr(uiobuf, EISDIR);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_invalid(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	lxpr_uiobuf_seterr(uiobuf, EINVAL);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_empty(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/*
+ * lxpr_read_pid_cmdline():
+ *
+ * This is not precisely compatible with Linux: the Linux cmdline returns argv
+ * with the correct separation using \0 between the arguments, but we cannot do
+ * that without copying the real argv from the correct process context.  This
+ * is too difficult to attempt so we pretend that the entire cmdline is just
+ * argv[0]. This is good enough for ps and htop to display correctly, but might
+ * cause some other things not to work correctly.
+ */
+static void
+lxpr_read_pid_cmdline(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	proc_t *p;
+	char *buf;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_CMDLINE);
+
+	p = lxpr_lock(lxpnp->lxpr_pid);
+	if (p == NULL) {
+		lxpr_uiobuf_seterr(uiobuf, EINVAL);
+		return;
+	}
+
+	buf = PTOU(p)->u_argv != 0 ? PTOU(p)->u_psargs : PTOU(p)->u_comm;
+
+	lxpr_uiobuf_write(uiobuf, buf, strlen(buf) + 1);
+	lxpr_unlock(p);
+}
+
+/*
+ * lxpr_read_pid_maps(): memory map file
+ */
+static void
+lxpr_read_pid_maps(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	proc_t *p;
+	struct as *as;
+	struct seg *seg;
+	char *buf;
+	int buflen = MAXPATHLEN;
+	struct print_data {
+		caddr_t saddr;
+		caddr_t eaddr;
+		int type;
+		char prot[5];
+		uint32_t offset;
+		vnode_t *vp;
+		struct print_data *next;
+	} *print_head = NULL;
+	struct print_data **print_tail = &print_head;
+	struct print_data *pbuf;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_MAPS);
+
+	p = lxpr_lock(lxpnp->lxpr_pid);
+	if (p == NULL) {
+		lxpr_uiobuf_seterr(uiobuf, EINVAL);
+		return;
+	}
+
+	as = p->p_as;
+
+	if (as == &kas) {
+		lxpr_unlock(p);
+		return;
+	}
+
+	mutex_exit(&p->p_lock);
+
+	/* Iterate over all segments in the address space */
+	AS_LOCK_ENTER(as, &as->a_lock, RW_READER);
+	for (seg = AS_SEGFIRST(as); seg != NULL; seg = AS_SEGNEXT(as, seg)) {
+		vnode_t *vp;
+		uint_t protbits;
+
+		pbuf = kmem_alloc(sizeof (*pbuf), KM_SLEEP);
+
+		pbuf->saddr = seg->s_base;
+		pbuf->eaddr = seg->s_base+seg->s_size;
+		pbuf->type = SEGOP_GETTYPE(seg, seg->s_base);
+
+		/*
+		 * Cheat and only use the protection bits of the first page
+		 * in the segment
+		 */
+		(void) strncpy(pbuf->prot, "----", sizeof (pbuf->prot));
+		(void) SEGOP_GETPROT(seg, seg->s_base, 0, &protbits);
+
+		if (protbits & PROT_READ)	   pbuf->prot[0] = 'r';
+		if (protbits & PROT_WRITE)	   pbuf->prot[1] = 'w';
+		if (protbits & PROT_EXEC)	   pbuf->prot[2] = 'x';
+		if (pbuf->type & MAP_SHARED)	   pbuf->prot[3] = 's';
+		else if (pbuf->type & MAP_PRIVATE) pbuf->prot[3] = 'p';
+
+		if (seg->s_ops == &segvn_ops &&
+		    SEGOP_GETVP(seg, seg->s_base, &vp) == 0 &&
+		    vp != NULL && vp->v_type == VREG) {
+			VN_HOLD(vp);
+			pbuf->vp = vp;
+		} else {
+			pbuf->vp = NULL;
+		}
+
+		pbuf->offset = (uint32_t)SEGOP_GETOFFSET(seg, pbuf->saddr);
+
+		pbuf->next = NULL;
+		*print_tail = pbuf;
+		print_tail = &pbuf->next;
+	}
+	AS_LOCK_EXIT(as, &as->a_lock);
+	mutex_enter(&p->p_lock);
+	lxpr_unlock(p);
+
+	buf = kmem_alloc(buflen, KM_SLEEP);
+
+	/* print the data we've extracted */
+	pbuf = print_head;
+	while (pbuf != NULL) {
+		struct print_data *pbuf_next;
+		vattr_t vattr;
+
+		int maj = 0;
+		int min = 0;
+		u_longlong_t inode = 0;
+
+		*buf = '\0';
+		if (pbuf->vp != NULL) {
+			vattr.va_mask = AT_FSID | AT_NODEID;
+			if (VOP_GETATTR(pbuf->vp, &vattr, 0, CRED(),
+			    NULL) == 0) {
+				maj = getmajor(vattr.va_fsid);
+				min = getminor(vattr.va_fsid);
+				inode = vattr.va_nodeid;
+			}
+			(void) vnodetopath(NULL, pbuf->vp, buf, buflen, CRED());
+			VN_RELE(pbuf->vp);
+		}
+
+		if (*buf != '\0') {
+			lxpr_uiobuf_printf(uiobuf,
+			    "%08x-%08x %s %08x %02d:%03d %lld %s\n",
+			    pbuf->saddr, pbuf->eaddr, pbuf->prot, pbuf->offset,
+			    maj, min, inode, buf);
+		} else {
+			lxpr_uiobuf_printf(uiobuf,
+			    "%08x-%08x %s %08x %02d:%03d %lld\n",
+			    pbuf->saddr, pbuf->eaddr, pbuf->prot, pbuf->offset,
+			    maj, min, inode);
+		}
+
+		pbuf_next = pbuf->next;
+		kmem_free(pbuf, sizeof (*pbuf));
+		pbuf = pbuf_next;
+	}
+
+	kmem_free(buf, buflen);
+}
+
+/*
+ * lxpr_read_pid_statm(): memory status file
+ */
+static void
+lxpr_read_pid_statm(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	proc_t *p;
+	struct as *as;
+	size_t vsize;
+	size_t rss;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_STATM);
+
+	p = lxpr_lock(lxpnp->lxpr_pid);
+	if (p == NULL) {
+		lxpr_uiobuf_seterr(uiobuf, EINVAL);
+		return;
+	}
+
+	as = p->p_as;
+
+	mutex_exit(&p->p_lock);
+
+	AS_LOCK_ENTER(as, &as->a_lock, RW_READER);
+	vsize = btopr(as->a_resvsize);
+	rss = rm_asrss(as);
+	AS_LOCK_EXIT(as, &as->a_lock);
+
+	mutex_enter(&p->p_lock);
+	lxpr_unlock(p);
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "%lu %lu %lu %lu %lu %lu %lu\n",
+	    vsize, rss, 0l, rss, 0l, 0l, 0l);
+}
+
+/*
+ * lxpr_read_pid_status(): status file
+ */
+static void
+lxpr_read_pid_status(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	proc_t *p;
+	kthread_t *t;
+	user_t *up;
+	cred_t *cr;
+	const gid_t *groups;
+	int    ngroups;
+	struct as *as;
+	char *status;
+	pid_t pid, ppid;
+	size_t vsize;
+	size_t rss;
+	k_sigset_t current, ignore, handle;
+	int    i, lx_sig;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_STATUS);
+
+	p = lxpr_lock(lxpnp->lxpr_pid);
+	if (p == NULL) {
+		lxpr_uiobuf_seterr(uiobuf, EINVAL);
+		return;
+	}
+
+	pid = p->p_pid;
+
+	/*
+	 * Convert pid to the Linux default of 1 if we're the zone's init
+	 * process
+	 */
+	if (pid == curproc->p_zone->zone_proc_initpid) {
+		pid = 1;
+		ppid = 0;	/* parent pid for init is 0 */
+	} else {
+		/*
+		 * Make sure not to reference parent PIDs that reside outside
+		 * the zone
+		 */
+		ppid = ((p->p_flag & SZONETOP)
+		    ? curproc->p_zone->zone_zsched->p_pid : p->p_ppid);
+
+		/*
+		 * Convert ppid to the Linux default of 1 if our parent is the
+		 * zone's init process
+		 */
+		if (ppid == curproc->p_zone->zone_proc_initpid)
+			ppid = 1;
+	}
+
+	t = prchoose(p);
+	if (t != NULL) {
+		switch (t->t_state) {
+		case TS_SLEEP:
+			status = "S (sleeping)";
+			break;
+		case TS_RUN:
+		case TS_ONPROC:
+			status = "R (running)";
+			break;
+		case TS_ZOMB:
+			status = "Z (zombie)";
+			break;
+		case TS_STOPPED:
+			status = "T (stopped)";
+			break;
+		default:
+			status = "! (unknown)";
+			break;
+		}
+		thread_unlock(t);
+	} else {
+		/*
+		 * there is a hole in the exit code, where a proc can have
+		 * no threads but it is yet to be flagged SZOMB. We will
+		 * assume we are about to become a zombie
+		 */
+		status = "Z (zombie)";
+	}
+
+	up = PTOU(p);
+	mutex_enter(&p->p_crlock);
+	crhold(cr = p->p_cred);
+	mutex_exit(&p->p_crlock);
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "Name:\t%s\n"
+	    "State:\t%s\n"
+	    "Tgid:\t%d\n"
+	    "Pid:\t%d\n"
+	    "PPid:\t%d\n"
+	    "TracerPid:\t%d\n"
+	    "Uid:\t%u\t%u\t%u\t%u\n"
+	    "Gid:\t%u\t%u\t%u\t%u\n"
+	    "FDSize:\t%d\n"
+	    "Groups:\t",
+	    up->u_comm,
+	    status,
+	    pid, /* thread group id - same as pid */
+	    pid,
+	    ppid,
+	    0,
+	    crgetruid(cr), crgetuid(cr), crgetsuid(cr), crgetuid(cr),
+	    crgetrgid(cr), crgetgid(cr), crgetsgid(cr), crgetgid(cr),
+	    p->p_fno_ctl);
+
+	ngroups = crgetngroups(cr);
+	groups  = crgetgroups(cr);
+	for (i = 0; i < ngroups; i++) {
+		lxpr_uiobuf_printf(uiobuf,
+		    "%u ",
+		    groups[i]);
+	}
+	crfree(cr);
+
+	as = p->p_as;
+	if ((p->p_stat != SZOMB) && !(p->p_flag & SSYS) && (as != &kas)) {
+		mutex_exit(&p->p_lock);
+		AS_LOCK_ENTER(as, &as->a_lock, RW_READER);
+		vsize = as->a_resvsize;
+		rss = rm_asrss(as);
+		AS_LOCK_EXIT(as, &as->a_lock);
+		mutex_enter(&p->p_lock);
+
+		lxpr_uiobuf_printf(uiobuf,
+		    "\n"
+		    "VmSize:\t%8lu kB\n"
+		    "VmLck:\t%8lu kB\n"
+		    "VmRSS:\t%8lu kB\n"
+		    "VmData:\t%8lu kB\n"
+		    "VmStk:\t%8lu kB\n"
+		    "VmExe:\t%8lu kB\n"
+		    "VmLib:\t%8lu kB",
+		    btok(vsize),
+		    0l,
+		    ptok(rss),
+		    0l,
+		    btok(p->p_stksize),
+		    ptok(rss),
+		    0l);
+	}
+
+	sigemptyset(&current);
+	sigemptyset(&ignore);
+	sigemptyset(&handle);
+
+	for (i = 1; i < NSIG; i++) {
+		lx_sig = lxpr_sigmap[i];
+
+		if ((lx_sig > 0) && (lx_sig <= LX_NSIG)) {
+			if (sigismember(&p->p_sig, i))
+				sigaddset(&current, lx_sig);
+
+			if (up->u_signal[i - 1] == SIG_IGN)
+				sigaddset(&ignore, lx_sig);
+			else if (up->u_signal[i - 1] != SIG_DFL)
+				sigaddset(&handle, lx_sig);
+		}
+	}
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "\n"
+	    "SigPnd:\t%08x%08x\n"
+	    "SigBlk:\t%08x%08x\n"
+	    "SigIgn:\t%08x%08x\n"
+	    "SigCgt:\t%08x%08x\n"
+	    "CapInh:\t%016x\n"
+	    "CapPrm:\t%016x\n"
+	    "CapEff:\t%016x\n",
+	    current.__sigbits[1], current.__sigbits[0],
+	    0, 0, /* signals blocked on per thread basis */
+	    ignore.__sigbits[1], ignore.__sigbits[0],
+	    handle.__sigbits[1], handle.__sigbits[0],
+	    /* Can't do anything with linux capabilities */
+	    0,
+	    0,
+	    0);
+
+	lxpr_unlock(p);
+}
+
+
+/*
+ * lxpr_read_pid_stat(): pid stat file
+ */
+static void
+lxpr_read_pid_stat(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	proc_t *p;
+	kthread_t *t;
+	struct as *as;
+	char stat;
+	pid_t pid, ppid, pgpid, spid;
+	gid_t psgid;
+	dev_t psdev;
+	size_t rss, vsize;
+	int nice, pri;
+	caddr_t wchan;
+	processorid_t cpu;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_STAT);
+
+	p = lxpr_lock(lxpnp->lxpr_pid);
+	if (p == NULL) {
+		lxpr_uiobuf_seterr(uiobuf, EINVAL);
+		return;
+	}
+
+	pid = p->p_pid;
+
+	/*
+	 * Set Linux defaults if we're the zone's init process
+	 */
+	if (pid == curproc->p_zone->zone_proc_initpid) {
+		pid = 1;		/* PID for init */
+		ppid = 0;		/* parent PID for init is 0 */
+		pgpid = 0;		/* process group for init is 0 */
+		psgid = (gid_t)-1;	/* credential GID for init is -1 */
+		spid = 0;		/* session id for init is 0 */
+		psdev = 0;		/* session device for init is 0 */
+	} else {
+		/*
+		 * Make sure not to reference parent PIDs that reside outside
+		 * the zone
+		 */
+		ppid = ((p->p_flag & SZONETOP) ?
+		    curproc->p_zone->zone_zsched->p_pid : p->p_ppid);
+
+		/*
+		 * Convert ppid to the Linux default of 1 if our parent is the
+		 * zone's init process
+		 */
+		if (ppid == curproc->p_zone->zone_proc_initpid)
+			ppid = 1;
+
+		pgpid = p->p_pgrp;
+
+		mutex_enter(&p->p_splock);
+		mutex_enter(&p->p_sessp->s_lock);
+		spid = p->p_sessp->s_sid;
+		psdev = p->p_sessp->s_dev;
+		if (p->p_sessp->s_cred)
+			psgid = crgetgid(p->p_sessp->s_cred);
+		else
+			psgid = crgetgid(p->p_cred);
+
+		mutex_exit(&p->p_sessp->s_lock);
+		mutex_exit(&p->p_splock);
+	}
+
+	t = prchoose(p);
+	if (t != NULL) {
+		switch (t->t_state) {
+		case TS_SLEEP:
+			stat = 'S'; break;
+		case TS_RUN:
+		case TS_ONPROC:
+			stat = 'R'; break;
+		case TS_ZOMB:
+			stat = 'Z'; break;
+		case TS_STOPPED:
+			stat = 'T'; break;
+		default:
+			stat = '!'; break;
+		}
+
+		if (CL_DONICE(t, NULL, 0, &nice) != 0)
+			nice = 0;
+
+		pri = t->t_pri;
+		wchan = t->t_wchan;
+		cpu = t->t_cpu->cpu_id;
+		thread_unlock(t);
+	} else {
+		/* Only zombies have no threads */
+		stat = 'Z';
+		nice = 0;
+		pri = 0;
+		wchan = 0;
+		cpu = 0;
+	}
+	as = p->p_as;
+	mutex_exit(&p->p_lock);
+	AS_LOCK_ENTER(as, &as->a_lock, RW_READER);
+	vsize = as->a_resvsize;
+	rss = rm_asrss(as);
+	AS_LOCK_EXIT(as, &as->a_lock);
+	mutex_enter(&p->p_lock);
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "%d (%s) %c %d %d %d %d %d "
+	    "%lu %lu %lu %lu %lu "
+	    "%lu %lu %ld %ld "
+	    "%d %d %d "
+	    "%lu "
+	    "%lu "
+	    "%lu %ld %llu "
+	    "%lu %lu %u "
+	    "%lu %lu "
+	    "%lu %lu %lu %lu "
+	    "%lu "
+	    "%lu %lu "
+	    "%d "
+	    "%d"
+	    "\n",
+	    pid, PTOU(p)->u_comm, stat, ppid, pgpid, spid, psdev, psgid,
+	    0l, 0l, 0l, 0l, 0l, /* flags, minflt, cminflt, majflt, cmajflt */
+	    p->p_utime, p->p_stime, p->p_cutime, p->p_cstime,
+	    pri, nice, p->p_lwpcnt,
+	    0l, /* itrealvalue (time before next SIGALRM) */
+	    PTOU(p)->u_ticks,
+	    vsize, rss, p->p_vmem_ctl,
+	    0l, 0l, USRSTACK, /* startcode, endcode, startstack */
+	    0l, 0l, /* kstkesp, kstkeip */
+	    0l, 0l, 0l, 0l, /* signal, blocked, sigignore, sigcatch */
+	    wchan,
+	    0l, 0l, /* nswap, cnswap */
+	    0, /* exit_signal */
+	    cpu);
+
+	lxpr_unlock(p);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_arp(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_dev(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	lxpr_uiobuf_printf(uiobuf, "Inter-|   Receive                   "
+	    "                             |  Transmit\n");
+	lxpr_uiobuf_printf(uiobuf, " face |bytes    packets errs drop fifo"
+	    " frame compressed multicast|bytes    packets errs drop fifo"
+	    " colls carrier compressed\n");
+
+	/*
+	 * Data about each interface should go here, but that shouldn't be added
+	 * unless there is an lxproc reader that actually makes use of it (and
+	 * doesn't need anything else that we refuse to provide)...
+	 */
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_dev_mcast(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_igmp(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_ip_mr_cache(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_ip_mr_vif(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_mcfilter(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_netstat(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_raw(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_route(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_rpc(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_rt_cache(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_sockstat(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_snmp(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_stat(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_tcp(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_udp(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_net_unix(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+}
+
+/*
+ * lxpr_read_kmsg(): read the contents of the kernel message queue. We
+ * translate this into the reception of console messages for this zone; each
+ * read copies out a single zone console message, or blocks until the next one
+ * is produced.
+ */
+
+#define	LX_KMSG_PRI	"<0>"
+
+static void
+lxpr_read_kmsg(lxpr_node_t *lxpnp, struct lxpr_uiobuf *uiobuf)
+{
+	ldi_handle_t	lh = lxpnp->lxpr_cons_ldih;
+	mblk_t		*mp;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_KMSG);
+
+	if (ldi_getmsg(lh, &mp, NULL) == 0) {
+		/*
+		 * lxproc doesn't like successive reads to the same file
+		 * descriptor unless we do an explicit rewind each time.
+		 */
+		lxpr_uiobuf_seek(uiobuf, 0);
+
+		lxpr_uiobuf_printf(uiobuf, "%s%s", LX_KMSG_PRI,
+		    mp->b_cont->b_rptr);
+
+		freemsg(mp);
+	}
+}
+
+/*
+ * lxpr_read_loadavg(): read the contents of the "loadavg" file.  We do just
+ * enough for uptime and other simple lxproc readers to work
+ */
+extern int nthread;
+
+static void
+lxpr_read_loadavg(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	ulong_t avenrun1;
+	ulong_t avenrun5;
+	ulong_t avenrun15;
+	ulong_t avenrun1_cs;
+	ulong_t avenrun5_cs;
+	ulong_t avenrun15_cs;
+	int loadavg[3];
+	int *loadbuf;
+	cpupart_t *cp;
+	zone_t *zone = LXPTOZ(lxpnp);
+
+	uint_t nrunnable = 0;
+	rctl_qty_t nlwps;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_LOADAVG);
+
+	mutex_enter(&cpu_lock);
+
+	/*
+	 * Need to add up values over all CPU partitions. If pools are active,
+	 * only report the values of the zone's partition, which by definition
+	 * includes the current CPU.
+	 */
+	if (pool_pset_enabled()) {
+		psetid_t psetid = zone_pset_get(curproc->p_zone);
+
+		ASSERT(curproc->p_zone != &zone0);
+		cp = CPU->cpu_part;
+
+		nrunnable = cp->cp_nrunning + cp->cp_nrunnable;
+		(void) cpupart_get_loadavg(psetid, &loadavg[0], 3);
+		loadbuf = &loadavg[0];
+	} else {
+		cp = cp_list_head;
+		do {
+			nrunnable += cp->cp_nrunning + cp->cp_nrunnable;
+		} while ((cp = cp->cp_next) != cp_list_head);
+
+		loadbuf = zone == global_zone ?
+		    &avenrun[0] : zone->zone_avenrun;
+	}
+
+	/*
+	 * If we're in the non-global zone, we'll report the total number of
+	 * LWPs in the zone for the "nproc" parameter of /proc/loadavg,
+	 * otherwise will just use nthread (which will include kernel threads,
+	 * but should be good enough for lxproc).
+	 */
+	nlwps = zone == global_zone ? nthread : zone->zone_nlwps;
+
+	mutex_exit(&cpu_lock);
+
+	avenrun1 = loadbuf[0] >> FSHIFT;
+	avenrun1_cs = ((loadbuf[0] & (FSCALE-1)) * 100) >> FSHIFT;
+	avenrun5 = loadbuf[1] >> FSHIFT;
+	avenrun5_cs = ((loadbuf[1] & (FSCALE-1)) * 100) >> FSHIFT;
+	avenrun15 = loadbuf[2] >> FSHIFT;
+	avenrun15_cs = ((loadbuf[2] & (FSCALE-1)) * 100) >> FSHIFT;
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "%ld.%02d %ld.%02d %ld.%02d %d/%d %d\n",
+	    avenrun1, avenrun1_cs,
+	    avenrun5, avenrun5_cs,
+	    avenrun15, avenrun15_cs,
+	    nrunnable, nlwps, 0);
+}
+
+/*
+ * lxpr_read_meminfo(): read the contents of the "meminfo" file.
+ */
+static void
+lxpr_read_meminfo(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	zone_t *zone = LXPTOZ(lxpnp);
+	int global = zone == global_zone;
+	long total_mem, free_mem, total_swap, used_swap;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_MEMINFO);
+
+	if (global || zone->zone_phys_mem_ctl == UINT64_MAX) {
+		total_mem = physmem * PAGESIZE;
+		free_mem = freemem * PAGESIZE;
+	} else {
+		total_mem = zone->zone_phys_mem_ctl;
+		free_mem = zone->zone_phys_mem_ctl - zone->zone_phys_mem;
+	}
+
+	if (global || zone->zone_max_swap_ctl == UINT64_MAX) {
+		total_swap = k_anoninfo.ani_max * PAGESIZE;
+		used_swap = k_anoninfo.ani_phys_resv * PAGESIZE;
+	} else {
+		mutex_enter(&zone->zone_mem_lock);
+		total_swap = zone->zone_max_swap_ctl;
+		used_swap = zone->zone_max_swap;
+		mutex_exit(&zone->zone_mem_lock);
+	}
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "        total:     used:    free:  shared: buffers:  cached:\n"
+	    "Mem:  %8lu %8lu %8lu %8u %8u %8u\n"
+	    "Swap: %8lu %8lu %8lu\n"
+	    "MemTotal:  %8lu kB\n"
+	    "MemFree:   %8lu kB\n"
+	    "MemShared: %8u kB\n"
+	    "Buffers:   %8u kB\n"
+	    "Cached:    %8u kB\n"
+	    "SwapCached:%8u kB\n"
+	    "Active:    %8u kB\n"
+	    "Inactive:  %8u kB\n"
+	    "HighTotal: %8u kB\n"
+	    "HighFree:  %8u kB\n"
+	    "LowTotal:  %8u kB\n"
+	    "LowFree:   %8u kB\n"
+	    "SwapTotal: %8lu kB\n"
+	    "SwapFree:  %8lu kB\n",
+	    total_mem, total_mem - free_mem, free_mem, 0, 0, 0,
+	    total_swap, used_swap, total_swap - used_swap,
+	    btok(total_mem),				/* MemTotal */
+	    btok(free_mem),				/* MemFree */
+	    0,						/* MemShared */
+	    0,						/* Buffers */
+	    0,						/* Cached */
+	    0,						/* SwapCached */
+	    0,						/* Active */
+	    0,						/* Inactive */
+	    0,						/* HighTotal */
+	    0,						/* HighFree */
+	    btok(total_mem),				/* LowTotal */
+	    btok(free_mem),				/* LowFree */
+	    btok(total_swap),				/* SwapTotal */
+	    btok(total_swap - used_swap));		/* SwapFree */
+}
+
+/*
+ * lxpr_read_mounts():
+ */
+/* ARGSUSED */
+static void
+lxpr_read_mounts(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	struct vfs *vfsp;
+	struct vfs *vfslist;
+	zone_t *zone = LXPTOZ(lxpnp);
+	struct print_data {
+		refstr_t *vfs_mntpt;
+		refstr_t *vfs_resource;
+		uint_t vfs_flag;
+		int vfs_fstype;
+		struct print_data *next;
+	} *print_head = NULL;
+	struct print_data **print_tail = &print_head;
+	struct print_data *printp;
+
+	vfs_list_read_lock();
+
+	if (zone == global_zone) {
+		vfsp = vfslist = rootvfs;
+	} else {
+		vfsp = vfslist = zone->zone_vfslist;
+		/*
+		 * If the zone has a root entry, it will be the first in
+		 * the list.  If it doesn't, we conjure one up.
+		 */
+		if (vfslist == NULL || strcmp(refstr_value(vfsp->vfs_mntpt),
+		    zone->zone_rootpath) != 0) {
+			struct vfs *tvfsp;
+			/*
+			 * The root of the zone is not a mount point.  The vfs
+			 * we want to report is that of the zone's root vnode.
+			 */
+			tvfsp = zone->zone_rootvp->v_vfsp;
+
+			lxpr_uiobuf_printf(uiobuf,
+			    "/ / %s %s 0 0\n",
+			    vfssw[tvfsp->vfs_fstype].vsw_name,
+			    tvfsp->vfs_flag & VFS_RDONLY ? "ro" : "rw");
+
+		}
+		if (vfslist == NULL) {
+			vfs_list_unlock();
+			return;
+		}
+	}
+
+	/*
+	 * Later on we have to do a lookupname, which can end up causing
+	 * another vfs_list_read_lock() to be called. Which can lead to a
+	 * deadlock. To avoid this, we extract the data we need into a local
+	 * list, then we can run this list without holding vfs_list_read_lock()
+	 * We keep the list in the same order as the vfs_list
+	 */
+	do {
+		/* Skip mounts we shouldn't show */
+		if (vfsp->vfs_flag & VFS_NOMNTTAB) {
+			goto nextfs;
+		}
+
+		printp = kmem_alloc(sizeof (*printp), KM_SLEEP);
+		refstr_hold(vfsp->vfs_mntpt);
+		printp->vfs_mntpt = vfsp->vfs_mntpt;
+		refstr_hold(vfsp->vfs_resource);
+		printp->vfs_resource = vfsp->vfs_resource;
+		printp->vfs_flag = vfsp->vfs_flag;
+		printp->vfs_fstype = vfsp->vfs_fstype;
+		printp->next = NULL;
+
+		*print_tail = printp;
+		print_tail = &printp->next;
+
+nextfs:
+		vfsp = (zone == global_zone) ?
+		    vfsp->vfs_next : vfsp->vfs_zone_next;
+
+	} while (vfsp != vfslist);
+
+	vfs_list_unlock();
+
+	/*
+	 * now we can run through what we've extracted without holding
+	 * vfs_list_read_lock()
+	 */
+	printp = print_head;
+	while (printp != NULL) {
+		struct print_data *printp_next;
+		const char *resource;
+		char *mntpt;
+		struct vnode *vp;
+		int error;
+
+		mntpt = (char *)refstr_value(printp->vfs_mntpt);
+		resource = refstr_value(printp->vfs_resource);
+
+		if (mntpt != NULL && mntpt[0] != '\0')
+			mntpt = ZONE_PATH_TRANSLATE(mntpt, zone);
+		else
+			mntpt = "-";
+
+		error = lookupname(mntpt, UIO_SYSSPACE, FOLLOW, NULLVPP, &vp);
+
+		if (error != 0)
+			goto nextp;
+
+		if (!(vp->v_flag & VROOT)) {
+			VN_RELE(vp);
+			goto nextp;
+		}
+		VN_RELE(vp);
+
+		if (resource != NULL && resource[0] != '\0') {
+			if (resource[0] == '/') {
+				resource = ZONE_PATH_VISIBLE(resource, zone) ?
+				    ZONE_PATH_TRANSLATE(resource, zone) :
+				    mntpt;
+			}
+		} else {
+			resource = "-";
+		}
+
+		lxpr_uiobuf_printf(uiobuf,
+		    "%s %s %s %s 0 0\n",
+		    resource, mntpt, vfssw[printp->vfs_fstype].vsw_name,
+		    printp->vfs_flag & VFS_RDONLY ? "ro" : "rw");
+
+nextp:
+		printp_next = printp->next;
+		refstr_rele(printp->vfs_mntpt);
+		refstr_rele(printp->vfs_resource);
+		kmem_free(printp, sizeof (*printp));
+		printp = printp_next;
+
+	}
+}
+
+/*
+ * lxpr_read_partitions():
+ *
+ * We don't support partitions in a local zone because it requires access to
+ * physical devices.  But we need to fake up enough of the file to show that we
+ * have no partitions.
+ */
+/* ARGSUSED */
+static void
+lxpr_read_partitions(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	lxpr_uiobuf_printf(uiobuf,
+	    "major minor  #blocks  name     rio rmerge rsect ruse "
+	    "wio wmerge wsect wuse running use aveq\n\n");
+}
+
+/*
+ * lxpr_read_version(): read the contents of the "version" file.  Note that
+ * we don't lie here -- we don't pretend that we're Linux.  If lxproc is to
+ * be used in a Linux-branded zone, there will need to be a mount option to
+ * indicate that Linux should be more fully mimicked.
+ */
+/* ARGSUSED */
+static void
+lxpr_read_version(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	lxpr_uiobuf_printf(uiobuf,
+	    "%s version %s (%s version %d.%d.%d) "
+	    "#%s SMP %s\n",
+	    utsname.sysname, utsname.release,
+#if defined(__GNUC__)
+	    "gcc",
+	    __GNUC__,
+	    __GNUC_MINOR__,
+	    __GNUC_PATCHLEVEL__,
+#else
+	    "Sun C",
+	    __SUNPRO_C / 0x100,
+	    (__SUNPRO_C & 0xff) / 0x10,
+	    __SUNPRO_C & 0xf,
+#endif
+	    utsname.version,
+	    "00:00:00 00/00/00");
+}
+
+/*
+ * lxpr_read_stat(): read the contents of the "stat" file.
+ *
+ */
+/* ARGSUSED */
+static void
+lxpr_read_stat(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	cpu_t *cp, *cpstart;
+	int pools_enabled;
+	ulong_t idle_cum = 0;
+	ulong_t sys_cum  = 0;
+	ulong_t user_cum = 0;
+	ulong_t irq_cum = 0;
+	ulong_t cpu_nrunnable_cum = 0;
+	ulong_t w_io_cum = 0;
+
+	ulong_t pgpgin_cum    = 0;
+	ulong_t pgpgout_cum   = 0;
+	ulong_t pgswapout_cum = 0;
+	ulong_t pgswapin_cum  = 0;
+	ulong_t intr_cum = 0;
+	ulong_t pswitch_cum = 0;
+	ulong_t forks_cum = 0;
+	hrtime_t msnsecs[NCMSTATES];
+
+	/* temporary variable since scalehrtime modifies data in place */
+	hrtime_t tmptime;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_STAT);
+
+	mutex_enter(&cpu_lock);
+	pools_enabled = pool_pset_enabled();
+
+	/* Calculate cumulative stats */
+	cp = cpstart = CPU->cpu_part->cp_cpulist;
+	do {
+		int i;
+
+		/*
+		 * Don't count CPUs that aren't even in the system
+		 * or aren't up yet.
+		 */
+		if ((cp->cpu_flags & CPU_EXISTS) == 0) {
+			continue;
+		}
+
+		get_cpu_mstate(cp, msnsecs);
+
+		idle_cum += NSEC_TO_TICK(msnsecs[CMS_IDLE]);
+		sys_cum  += NSEC_TO_TICK(msnsecs[CMS_SYSTEM]);
+		user_cum += NSEC_TO_TICK(msnsecs[CMS_USER]);
+
+		pgpgin_cum += CPU_STATS(cp, vm.pgpgin);
+		pgpgout_cum += CPU_STATS(cp, vm.pgpgout);
+		pgswapin_cum += CPU_STATS(cp, vm.pgswapin);
+		pgswapout_cum += CPU_STATS(cp, vm.pgswapout);
+
+		cpu_nrunnable_cum += cp->cpu_disp->disp_nrunnable;
+		w_io_cum += CPU_STATS(cp, sys.iowait);
+		for (i = 0; i < NCMSTATES; i++) {
+			tmptime = cp->cpu_intracct[i];
+			scalehrtime(&tmptime);
+			irq_cum += NSEC_TO_TICK(tmptime);
+		}
+
+		for (i = 0; i < PIL_MAX; i++)
+			intr_cum += CPU_STATS(cp, sys.intr[i]);
+
+		pswitch_cum += CPU_STATS(cp, sys.pswitch);
+		forks_cum += CPU_STATS(cp, sys.sysfork);
+		forks_cum += CPU_STATS(cp, sys.sysvfork);
+
+		if (pools_enabled)
+			cp = cp->cpu_next_part;
+		else
+			cp = cp->cpu_next;
+	} while (cp != cpstart);
+
+	lxpr_uiobuf_printf(uiobuf, "cpu %lu %lu %lu %lu %lu %lu %lu\n",
+	    user_cum, 0L, sys_cum, idle_cum, 0L, irq_cum, 0L);
+
+	/* Do per processor stats */
+	do {
+		int i;
+
+		ulong_t idle_ticks;
+		ulong_t sys_ticks;
+		ulong_t user_ticks;
+		ulong_t irq_ticks = 0;
+
+		/*
+		 * Don't count CPUs that aren't even in the system
+		 * or aren't up yet.
+		 */
+		if ((cp->cpu_flags & CPU_EXISTS) == 0) {
+			continue;
+		}
+
+		get_cpu_mstate(cp, msnsecs);
+
+		idle_ticks = NSEC_TO_TICK(msnsecs[CMS_IDLE]);
+		sys_ticks  = NSEC_TO_TICK(msnsecs[CMS_SYSTEM]);
+		user_ticks = NSEC_TO_TICK(msnsecs[CMS_USER]);
+
+		for (i = 0; i < NCMSTATES; i++) {
+			tmptime = cp->cpu_intracct[i];
+			scalehrtime(&tmptime);
+			irq_ticks += NSEC_TO_TICK(tmptime);
+		}
+
+		lxpr_uiobuf_printf(uiobuf,
+		    "cpu%d %lu %lu %lu %lu %lu %lu %lu\n",
+		    cp->cpu_id, user_ticks, 0L, sys_ticks, idle_ticks,
+		    0L, irq_ticks, 0L);
+
+		if (pools_enabled)
+			cp = cp->cpu_next_part;
+		else
+			cp = cp->cpu_next;
+	} while (cp != cpstart);
+
+	mutex_exit(&cpu_lock);
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "page %lu %lu\n"
+	    "swap %lu %lu\n"
+	    "intr %lu\n"
+	    "ctxt %lu\n"
+	    "btime %lu\n"
+	    "processes %lu\n"
+	    "procs_running %lu\n"
+	    "procs_blocked %lu\n",
+	    pgpgin_cum, pgpgout_cum,
+	    pgswapin_cum, pgswapout_cum,
+	    intr_cum,
+	    pswitch_cum,
+	    boot_time,
+	    forks_cum,
+	    cpu_nrunnable_cum,
+	    w_io_cum);
+}
+
+/*
+ * lxpr_read_uptime(): read the contents of the "uptime" file.
+ *
+ * format is: "%.2lf, %.2lf",uptime_secs, idle_secs
+ * Use fixed point arithmetic to get 2 decimal places
+ */
+/* ARGSUSED */
+static void
+lxpr_read_uptime(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	cpu_t *cp, *cpstart;
+	int pools_enabled;
+	ulong_t idle_cum = 0;
+	ulong_t cpu_count = 0;
+	ulong_t idle_s;
+	ulong_t idle_cs;
+	ulong_t up_s;
+	ulong_t up_cs;
+	hrtime_t birthtime;
+	hrtime_t centi_sec = 10000000;  /* 10^7 */
+
+	ASSERT(lxpnp->lxpr_type == LXPR_UPTIME);
+
+	/* Calculate cumulative stats */
+	mutex_enter(&cpu_lock);
+	pools_enabled = pool_pset_enabled();
+
+	cp = cpstart = CPU;
+	do {
+		/*
+		 * Don't count CPUs that aren't even in the system
+		 * or aren't up yet.
+		 */
+		if ((cp->cpu_flags & CPU_EXISTS) == 0) {
+			continue;
+		}
+
+		idle_cum += CPU_STATS(cp, sys.cpu_ticks_idle);
+		idle_cum += CPU_STATS(cp, sys.cpu_ticks_wait);
+		cpu_count += 1;
+
+		if (pools_enabled)
+			cp = cp->cpu_next_part;
+		else
+			cp = cp->cpu_next;
+	} while (cp != cpstart);
+	mutex_exit(&cpu_lock);
+
+	/* Getting the Zone zsched process startup time */
+	birthtime = LXPTOZ(lxpnp)->zone_zsched->p_mstart;
+	up_cs = (gethrtime() - birthtime) / centi_sec;
+	up_s = up_cs / 100;
+	up_cs %= 100;
+
+	ASSERT(cpu_count > 0);
+	idle_cum /= cpu_count;
+	idle_s = idle_cum / hz;
+	idle_cs = idle_cum % hz;
+	idle_cs *= 100;
+	idle_cs /= hz;
+
+	lxpr_uiobuf_printf(uiobuf,
+	    "%ld.%02d %ld.%02d\n", up_s, up_cs, idle_s, idle_cs);
+}
+
+static const char *amd_x_edx[] = {
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	NULL,	NULL,	"syscall",
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	NULL,	NULL,	"mp",
+	"nx",	NULL,	"mmxext", NULL,
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	"lm",	"3dnowext", "3dnow"
+};
+
+static const char *amd_x_ecx[] = {
+	"lahf_lm", NULL, "svm", NULL,
+	"altmovcr8"
+};
+
+static const char *tm_x_edx[] = {
+	"recovery", "longrun", NULL, "lrti"
+};
+
+/*
+ * Intel calls no-execute "xd" in its docs, but Linux still reports it as "nx."
+ */
+static const char *intc_x_edx[] = {
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	NULL,	NULL,	"syscall",
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	NULL,	NULL,	NULL,
+	"nx",	NULL,	NULL,   NULL,
+	NULL,	NULL,	NULL,	NULL,
+	NULL,	"lm",   NULL,   NULL
+};
+
+static const char *intc_edx[] = {
+	"fpu",	"vme",	"de",	"pse",
+	"tsc",	"msr",	"pae",	"mce",
+	"cx8",	"apic",	 NULL,	"sep",
+	"mtrr",	"pge",	"mca",	"cmov",
+	"pat",	"pse36", "pn",	"clflush",
+	NULL,	"dts",	"acpi",	"mmx",
+	"fxsr",	"sse",	"sse2",	"ss",
+	"ht",	"tm",	"ia64",	"pbe"
+};
+
+/*
+ * "sse3" on linux is called "pni" (Prescott New Instructions).
+ */
+static const char *intc_ecx[] = {
+	"pni",	NULL,	NULL, "monitor",
+	"ds_cpl", NULL,	NULL, "est",
+	"tm2",	NULL,	"cid", NULL,
+	NULL,	"cx16",	"xtpr"
+};
+
+static void
+lxpr_read_cpuinfo(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	int i;
+	uint32_t bits;
+	cpu_t *cp, *cpstart;
+	int pools_enabled;
+	const char **fp;
+	char brandstr[CPU_IDSTRLEN];
+	struct cpuid_regs cpr;
+	int maxeax;
+	int std_ecx, std_edx, ext_ecx, ext_edx;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_CPUINFO);
+
+	mutex_enter(&cpu_lock);
+	pools_enabled = pool_pset_enabled();
+
+	cp = cpstart = CPU;
+	do {
+		/*
+		 * This returns the maximum eax value for standard cpuid
+		 * functions in eax.
+		 */
+		cpr.cp_eax = 0;
+		(void) cpuid_insn(cp, &cpr);
+		maxeax = cpr.cp_eax;
+
+		/*
+		 * Get standard x86 feature flags.
+		 */
+		cpr.cp_eax = 1;
+		(void) cpuid_insn(cp, &cpr);
+		std_ecx = cpr.cp_ecx;
+		std_edx = cpr.cp_edx;
+
+		/*
+		 * Now get extended feature flags.
+		 */
+		cpr.cp_eax = 0x80000001;
+		(void) cpuid_insn(cp, &cpr);
+		ext_ecx = cpr.cp_ecx;
+		ext_edx = cpr.cp_edx;
+
+		(void) cpuid_getbrandstr(cp, brandstr, CPU_IDSTRLEN);
+
+		lxpr_uiobuf_printf(uiobuf,
+		    "processor\t: %d\n"
+		    "vendor_id\t: %s\n"
+		    "cpu family\t: %d\n"
+		    "model\t\t: %d\n"
+		    "model name\t: %s\n"
+		    "stepping\t: %d\n"
+		    "cpu MHz\t\t: %u.%03u\n",
+		    cp->cpu_id, cpuid_getvendorstr(cp), cpuid_getfamily(cp),
+		    cpuid_getmodel(cp), brandstr, cpuid_getstep(cp),
+		    (uint32_t)(cpu_freq_hz / 1000000),
+		    ((uint32_t)(cpu_freq_hz / 1000)) % 1000);
+
+		lxpr_uiobuf_printf(uiobuf, "cache size\t: %u KB\n",
+		    getl2cacheinfo(cp, NULL, NULL, NULL) / 1024);
+
+		if (is_x86_feature(x86_featureset, X86FSET_HTT)) {
+			/*
+			 * 'siblings' is used for HT-style threads
+			 */
+			lxpr_uiobuf_printf(uiobuf,
+			    "physical id\t: %lu\n"
+			    "siblings\t: %u\n",
+			    pg_plat_hw_instance_id(cp, PGHW_CHIP),
+			    cpuid_get_ncpu_per_chip(cp));
+		}
+
+		/*
+		 * Since we're relatively picky about running on older hardware,
+		 * we can be somewhat cavalier about the answers to these ones.
+		 *
+		 * In fact, given the hardware we support, we just say:
+		 *
+		 *	fdiv_bug	: no	(if we're on a 64-bit kernel)
+		 *	hlt_bug		: no
+		 *	f00f_bug	: no
+		 *	coma_bug	: no
+		 *	wp		: yes	(write protect in supervsr mode)
+		 */
+		lxpr_uiobuf_printf(uiobuf,
+		    "fdiv_bug\t: %s\n"
+		    "hlt_bug \t: no\n"
+		    "f00f_bug\t: no\n"
+		    "coma_bug\t: no\n"
+		    "fpu\t\t: %s\n"
+		    "fpu_exception\t: %s\n"
+		    "cpuid level\t: %d\n"
+		    "flags\t\t:",
+#if defined(__i386)
+		    fpu_pentium_fdivbug ? "yes" : "no",
+#else
+		    "no",
+#endif /* __i386 */
+		    fpu_exists ? "yes" : "no", fpu_exists ? "yes" : "no",
+		    maxeax);
+
+		for (bits = std_edx, fp = intc_edx, i = 0;
+		    i < sizeof (intc_edx) / sizeof (intc_edx[0]); fp++, i++)
+			if ((bits & (1 << i)) != 0 && *fp)
+				lxpr_uiobuf_printf(uiobuf, " %s", *fp);
+
+		/*
+		 * name additional features where appropriate
+		 */
+		switch (x86_vendor) {
+		case X86_VENDOR_Intel:
+			for (bits = ext_edx, fp = intc_x_edx, i = 0;
+			    i < sizeof (intc_x_edx) / sizeof (intc_x_edx[0]);
+			    fp++, i++)
+				if ((bits & (1 << i)) != 0 && *fp)
+					lxpr_uiobuf_printf(uiobuf, " %s", *fp);
+			break;
+
+		case X86_VENDOR_AMD:
+			for (bits = ext_edx, fp = amd_x_edx, i = 0;
+			    i < sizeof (amd_x_edx) / sizeof (amd_x_edx[0]);
+			    fp++, i++)
+				if ((bits & (1 << i)) != 0 && *fp)
+					lxpr_uiobuf_printf(uiobuf, " %s", *fp);
+
+			for (bits = ext_ecx, fp = amd_x_ecx, i = 0;
+			    i < sizeof (amd_x_ecx) / sizeof (amd_x_ecx[0]);
+			    fp++, i++)
+				if ((bits & (1 << i)) != 0 && *fp)
+					lxpr_uiobuf_printf(uiobuf, " %s", *fp);
+			break;
+
+		case X86_VENDOR_TM:
+			for (bits = ext_edx, fp = tm_x_edx, i = 0;
+			    i < sizeof (tm_x_edx) / sizeof (tm_x_edx[0]);
+			    fp++, i++)
+				if ((bits & (1 << i)) != 0 && *fp)
+					lxpr_uiobuf_printf(uiobuf, " %s", *fp);
+			break;
+		default:
+			break;
+		}
+
+		for (bits = std_ecx, fp = intc_ecx, i = 0;
+		    i < sizeof (intc_ecx) / sizeof (intc_ecx[0]); fp++, i++)
+			if ((bits & (1 << i)) != 0 && *fp)
+				lxpr_uiobuf_printf(uiobuf, " %s", *fp);
+
+		lxpr_uiobuf_printf(uiobuf, "\n\n");
+
+		if (pools_enabled)
+			cp = cp->cpu_next_part;
+		else
+			cp = cp->cpu_next;
+	} while (cp != cpstart);
+
+	mutex_exit(&cpu_lock);
+}
+
+/* ARGSUSED */
+static void
+lxpr_read_fd(lxpr_node_t *lxpnp, lxpr_uiobuf_t *uiobuf)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_FD_FD);
+	lxpr_uiobuf_seterr(uiobuf, EFAULT);
+}
+
+/*
+ * lxpr_getattr(): Vnode operation for VOP_GETATTR()
+ */
+static int
+lxpr_getattr(vnode_t *vp, vattr_t *vap, int flags, cred_t *cr,
+    caller_context_t *ct)
+{
+	register lxpr_node_t *lxpnp = VTOLXP(vp);
+	lxpr_nodetype_t type = lxpnp->lxpr_type;
+	extern uint_t nproc;
+	int error;
+
+	/*
+	 * Return attributes of underlying vnode if ATTR_REAL
+	 *
+	 * but keep fd files with the symlink permissions
+	 */
+	if (lxpnp->lxpr_realvp != NULL && (flags & ATTR_REAL)) {
+		vnode_t *rvp = lxpnp->lxpr_realvp;
+
+		/*
+		 * withold attribute information to owner or root
+		 */
+		if ((error = VOP_ACCESS(rvp, 0, 0, cr, ct)) != 0) {
+			return (error);
+		}
+
+		/*
+		 * now its attributes
+		 */
+		if ((error = VOP_GETATTR(rvp, vap, flags, cr, ct)) != 0) {
+			return (error);
+		}
+
+		/*
+		 * if it's a file in lx /proc/pid/fd/xx then set its
+		 * mode and keep it looking like a symlink
+		 */
+		if (type == LXPR_PID_FD_FD) {
+			vap->va_mode = lxpnp->lxpr_mode;
+			vap->va_type = vp->v_type;
+			vap->va_size = 0;
+			vap->va_nlink = 1;
+		}
+		return (0);
+	}
+
+	/* Default attributes, that may be overridden below */
+	bzero(vap, sizeof (*vap));
+	vap->va_atime = vap->va_mtime = vap->va_ctime = lxpnp->lxpr_time;
+	vap->va_nlink = 1;
+	vap->va_type = vp->v_type;
+	vap->va_mode = lxpnp->lxpr_mode;
+	vap->va_fsid = vp->v_vfsp->vfs_dev;
+	vap->va_blksize = DEV_BSIZE;
+	vap->va_uid = lxpnp->lxpr_uid;
+	vap->va_gid = lxpnp->lxpr_gid;
+	vap->va_nodeid = lxpnp->lxpr_ino;
+
+	switch (type) {
+	case LXPR_PROCDIR:
+		vap->va_nlink = nproc + 2 + PROCDIRFILES;
+		vap->va_size = (nproc + 2 + PROCDIRFILES) * LXPR_SDSIZE;
+		break;
+	case LXPR_PIDDIR:
+		vap->va_nlink = PIDDIRFILES;
+		vap->va_size = PIDDIRFILES * LXPR_SDSIZE;
+		break;
+	case LXPR_SELF:
+		vap->va_uid = crgetruid(curproc->p_cred);
+		vap->va_gid = crgetrgid(curproc->p_cred);
+		break;
+	default:
+		break;
+	}
+
+	vap->va_nblocks = (fsblkcnt64_t)btod(vap->va_size);
+	return (0);
+}
+
+/*
+ * lxpr_access(): Vnode operation for VOP_ACCESS()
+ */
+static int
+lxpr_access(vnode_t *vp, int mode, int flags, cred_t *cr, caller_context_t *ct)
+{
+	lxpr_node_t *lxpnp = VTOLXP(vp);
+	int shift = 0;
+	proc_t *tp;
+
+	/* lx /proc is a read only file system */
+	if (mode & VWRITE)
+		return (EROFS);
+
+	/*
+	 * If this is a restricted file, check access permissions.
+	 */
+	switch (lxpnp->lxpr_type) {
+	case LXPR_PIDDIR:
+		return (0);
+	case LXPR_PID_CURDIR:
+	case LXPR_PID_ENV:
+	case LXPR_PID_EXE:
+	case LXPR_PID_MAPS:
+	case LXPR_PID_MEM:
+	case LXPR_PID_ROOTDIR:
+	case LXPR_PID_FDDIR:
+	case LXPR_PID_FD_FD:
+		if ((tp = lxpr_lock(lxpnp->lxpr_pid)) == NULL)
+			return (ENOENT);
+		if (tp != curproc && secpolicy_proc_access(cr) != 0 &&
+		    priv_proc_cred_perm(cr, tp, NULL, mode) != 0) {
+			lxpr_unlock(tp);
+			return (EACCES);
+		}
+		lxpr_unlock(tp);
+	default:
+		break;
+	}
+
+	if (lxpnp->lxpr_realvp != NULL) {
+		/*
+		 * For these we use the underlying vnode's accessibility.
+		 */
+		return (VOP_ACCESS(lxpnp->lxpr_realvp, mode, flags, cr, ct));
+	}
+
+	/* If user is root allow access regardless of permission bits */
+	if (secpolicy_proc_access(cr) == 0)
+		return (0);
+
+	/*
+	 * Access check is based on only one of owner, group, public.  If not
+	 * owner, then check group.  If not a member of the group, then check
+	 * public access.
+	 */
+	if (crgetuid(cr) != lxpnp->lxpr_uid) {
+		shift += 3;
+		if (!groupmember((uid_t)lxpnp->lxpr_gid, cr))
+			shift += 3;
+	}
+
+	mode &= ~(lxpnp->lxpr_mode << shift);
+
+	if (mode == 0)
+		return (0);
+
+	return (EACCES);
+}
+
+/* ARGSUSED */
+static vnode_t *
+lxpr_lookup_not_a_dir(vnode_t *dp, char *comp)
+{
+	return (NULL);
+}
+
+/*
+ * lxpr_lookup(): Vnode operation for VOP_LOOKUP()
+ */
+/* ARGSUSED */
+static int
+lxpr_lookup(vnode_t *dp, char *comp, vnode_t **vpp, pathname_t *pathp,
+	int flags, vnode_t *rdir, cred_t *cr, caller_context_t *ct,
+	int *direntflags, pathname_t *realpnp)
+{
+	lxpr_node_t *lxpnp = VTOLXP(dp);
+	lxpr_nodetype_t type = lxpnp->lxpr_type;
+	int error;
+
+	ASSERT(dp->v_type == VDIR);
+	ASSERT(type < LXPR_NFILES);
+
+	/*
+	 * we should never get here because the lookup
+	 * is done on the realvp for these nodes
+	 */
+	ASSERT(type != LXPR_PID_FD_FD &&
+	    type != LXPR_PID_CURDIR &&
+	    type != LXPR_PID_ROOTDIR);
+
+	/*
+	 * restrict lookup permission to owner or root
+	 */
+	if ((error = lxpr_access(dp, VEXEC, 0, cr, ct)) != 0) {
+		return (error);
+	}
+
+	/*
+	 * Just return the parent vnode if that's where we are trying to go.
+	 */
+	if (strcmp(comp, "..") == 0) {
+		VN_HOLD(lxpnp->lxpr_parent);
+		*vpp = lxpnp->lxpr_parent;
+		return (0);
+	}
+
+	/*
+	 * Special handling for directory searches.  Note: null component name
+	 * denotes that the current directory is being searched.
+	 */
+	if ((dp->v_type == VDIR) && (*comp == '\0' || strcmp(comp, ".") == 0)) {
+		VN_HOLD(dp);
+		*vpp = dp;
+		return (0);
+	}
+
+	*vpp = (lxpr_lookup_function[type](dp, comp));
+	return ((*vpp == NULL) ? ENOENT : 0);
+}
+
+/*
+ * Do a sequential search on the given directory table
+ */
+static vnode_t *
+lxpr_lookup_common(vnode_t *dp, char *comp, proc_t *p,
+    lxpr_dirent_t *dirtab, int dirtablen)
+{
+	lxpr_node_t *lxpnp;
+	int count;
+
+	for (count = 0; count < dirtablen; count++) {
+		if (strcmp(dirtab[count].d_name, comp) == 0) {
+			lxpnp = lxpr_getnode(dp, dirtab[count].d_type, p, 0);
+			dp = LXPTOV(lxpnp);
+			ASSERT(dp != NULL);
+			return (dp);
+		}
+	}
+	return (NULL);
+}
+
+static vnode_t *
+lxpr_lookup_piddir(vnode_t *dp, char *comp)
+{
+	proc_t *p;
+
+	ASSERT(VTOLXP(dp)->lxpr_type == LXPR_PIDDIR);
+
+	p = lxpr_lock(VTOLXP(dp)->lxpr_pid);
+	if (p == NULL)
+		return (NULL);
+
+	dp = lxpr_lookup_common(dp, comp, p, piddir, PIDDIRFILES);
+
+	lxpr_unlock(p);
+
+	return (dp);
+}
+
+/*
+ * Lookup one of the process's open files.
+ */
+static vnode_t *
+lxpr_lookup_fddir(vnode_t *dp, char *comp)
+{
+	lxpr_node_t *dlxpnp = VTOLXP(dp);
+	lxpr_node_t *lxpnp;
+	vnode_t *vp = NULL;
+	proc_t *p;
+	file_t *fp;
+	uint_t fd;
+	int c;
+	uf_entry_t *ufp;
+	uf_info_t *fip;
+
+	ASSERT(dlxpnp->lxpr_type == LXPR_PID_FDDIR);
+
+	/*
+	 * convert the string rendition of the filename
+	 * to a file descriptor
+	 */
+	fd = 0;
+	while ((c = *comp++) != '\0') {
+		int ofd;
+		if (c < '0' || c > '9')
+			return (NULL);
+
+		ofd = fd;
+		fd = 10*fd + c - '0';
+		/* integer overflow */
+		if (fd / 10 != ofd)
+			return (NULL);
+	}
+
+	/*
+	 * get the proc to work with and lock it
+	 */
+	p = lxpr_lock(dlxpnp->lxpr_pid);
+	if ((p == NULL))
+		return (NULL);
+
+	/*
+	 * If the process is a zombie or system process
+	 * it can't have any open files.
+	 */
+	if ((p->p_stat == SZOMB) || (p->p_flag & SSYS) || (p->p_as == &kas)) {
+		lxpr_unlock(p);
+		return (NULL);
+	}
+
+	/*
+	 * get us a fresh node/vnode
+	 */
+	lxpnp = lxpr_getnode(dp, LXPR_PID_FD_FD, p, fd);
+
+	/*
+	 * Drop p_lock, but keep the process P_PR_LOCK'd to prevent it from
+	 * going away while we dereference into fi_list.
+	 */
+	mutex_exit(&p->p_lock);
+
+	/*
+	 * get open file info
+	 */
+	fip = (&(p)->p_user.u_finfo);
+	mutex_enter(&fip->fi_lock);
+
+	if (fd < fip->fi_nfiles) {
+		UF_ENTER(ufp, fip, fd);
+		/*
+		 * ensure the fd is still kosher.
+		 * it may have gone between the readdir and
+		 * the lookup
+		 */
+		if (fip->fi_list[fd].uf_file == NULL) {
+			mutex_exit(&fip->fi_lock);
+			UF_EXIT(ufp);
+			mutex_enter(&p->p_lock);
+			lxpr_unlock(p);
+			lxpr_freenode(lxpnp);
+			return (NULL);
+		}
+
+		if ((fp = ufp->uf_file) != NULL)
+			vp = fp->f_vnode;
+		UF_EXIT(ufp);
+	}
+	mutex_exit(&fip->fi_lock);
+
+	if (vp == NULL) {
+		mutex_enter(&p->p_lock);
+		lxpr_unlock(p);
+		lxpr_freenode(lxpnp);
+		return (NULL);
+	} else {
+		/*
+		 * Fill in the lxpr_node so future references will be able to
+		 * find the underlying vnode. The vnode is held on the realvp.
+		 */
+		lxpnp->lxpr_realvp = vp;
+		VN_HOLD(lxpnp->lxpr_realvp);
+	}
+
+	mutex_enter(&p->p_lock);
+	lxpr_unlock(p);
+	dp = LXPTOV(lxpnp);
+	ASSERT(dp != NULL);
+
+	return (dp);
+}
+
+static vnode_t *
+lxpr_lookup_netdir(vnode_t *dp, char *comp)
+{
+	ASSERT(VTOLXP(dp)->lxpr_type == LXPR_NETDIR);
+
+	dp = lxpr_lookup_common(dp, comp, NULL, netdir, NETDIRFILES);
+
+	return (dp);
+}
+
+static vnode_t *
+lxpr_lookup_procdir(vnode_t *dp, char *comp)
+{
+	ASSERT(VTOLXP(dp)->lxpr_type == LXPR_PROCDIR);
+
+	/*
+	 * We know all the names of files & dirs in our file system structure
+	 * except those that are pid names.  These change as pids are created/
+	 * deleted etc., so we just look for a number as the first char to see
+	 * if we are we doing pid lookups.
+	 *
+	 * Don't need to check for "self" as it is implemented as a symlink
+	 */
+	if (*comp >= '0' && *comp <= '9') {
+		pid_t pid = 0;
+		lxpr_node_t *lxpnp = NULL;
+		proc_t *p;
+		int c;
+
+		while ((c = *comp++) != '\0')
+			pid = 10 * pid + c - '0';
+
+		/*
+		 * Can't continue if the process is still loading or it doesn't
+		 * really exist yet (or maybe it just died!)
+		 */
+		p = lxpr_lock(pid);
+		if (p == NULL)
+			return (NULL);
+
+		if (secpolicy_basic_procinfo(CRED(), p, curproc) != 0) {
+			lxpr_unlock(p);
+			return (NULL);
+		}
+
+		/*
+		 * allocate and fill in a new lxpr node
+		 */
+		lxpnp = lxpr_getnode(dp, LXPR_PIDDIR, p, 0);
+
+		lxpr_unlock(p);
+
+		dp = LXPTOV(lxpnp);
+		ASSERT(dp != NULL);
+
+		return (dp);
+	}
+
+	/* Lookup fixed names */
+	return (lxpr_lookup_common(dp, comp, NULL, lxpr_dir, PROCDIRFILES));
+}
+
+/*
+ * lxpr_readdir(): Vnode operation for VOP_READDIR()
+ */
+/* ARGSUSED */
+static int
+lxpr_readdir(vnode_t *dp, uio_t *uiop, cred_t *cr, int *eofp,
+	caller_context_t *ct, int flags)
+{
+	lxpr_node_t *lxpnp = VTOLXP(dp);
+	lxpr_nodetype_t type = lxpnp->lxpr_type;
+	ssize_t uresid;
+	off_t uoffset;
+	int error;
+
+	ASSERT(dp->v_type == VDIR);
+	ASSERT(type < LXPR_NFILES);
+
+	/*
+	 * we should never get here because the readdir
+	 * is done on the realvp for these nodes
+	 */
+	ASSERT(type != LXPR_PID_FD_FD &&
+	    type != LXPR_PID_CURDIR &&
+	    type != LXPR_PID_ROOTDIR);
+
+	/*
+	 * restrict readdir permission to owner or root
+	 */
+	if ((error = lxpr_access(dp, VREAD, 0, cr, ct)) != 0)
+		return (error);
+
+	uoffset = uiop->uio_offset;
+	uresid = uiop->uio_resid;
+
+	/* can't do negative reads */
+	if (uoffset < 0 || uresid <= 0)
+		return (EINVAL);
+
+	/* can't read directory entries that don't exist! */
+	if (uoffset % LXPR_SDSIZE)
+		return (ENOENT);
+
+	return (lxpr_readdir_function[lxpnp->lxpr_type](lxpnp, uiop, eofp));
+}
+
+/* ARGSUSED */
+static int
+lxpr_readdir_not_a_dir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	return (ENOTDIR);
+}
+
+/*
+ * This has the common logic for returning directory entries
+ */
+static int
+lxpr_readdir_common(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp,
+    lxpr_dirent_t *dirtab, int dirtablen)
+{
+	/* bp holds one dirent64 structure */
+	longlong_t bp[DIRENT64_RECLEN(LXPNSIZ) / sizeof (longlong_t)];
+	dirent64_t *dirent = (dirent64_t *)bp;
+	ssize_t oresid;	/* save a copy for testing later */
+	ssize_t uresid;
+
+	oresid = uiop->uio_resid;
+
+	/* clear out the dirent buffer */
+	bzero(bp, sizeof (bp));
+
+	/*
+	 * Satisfy user request
+	 */
+	while ((uresid = uiop->uio_resid) > 0) {
+		int dirindex;
+		off_t uoffset;
+		int reclen;
+		int error;
+
+		uoffset = uiop->uio_offset;
+		dirindex  = (uoffset / LXPR_SDSIZE) - 2;
+
+		if (uoffset == 0) {
+
+			dirent->d_ino = lxpnp->lxpr_ino;
+			dirent->d_name[0] = '.';
+			dirent->d_name[1] = '\0';
+			reclen = DIRENT64_RECLEN(1);
+
+		} else if (uoffset == LXPR_SDSIZE) {
+
+			dirent->d_ino = lxpr_parentinode(lxpnp);
+			dirent->d_name[0] = '.';
+			dirent->d_name[1] = '.';
+			dirent->d_name[2] = '\0';
+			reclen = DIRENT64_RECLEN(2);
+
+		} else if (dirindex < dirtablen) {
+			int slen = strlen(dirtab[dirindex].d_name);
+
+			dirent->d_ino = lxpr_inode(dirtab[dirindex].d_type,
+			    lxpnp->lxpr_pid, 0);
+
+			ASSERT(slen < LXPNSIZ);
+			(void) strcpy(dirent->d_name, dirtab[dirindex].d_name);
+			reclen = DIRENT64_RECLEN(slen);
+
+		} else {
+			/* Run out of table entries */
+			if (eofp) {
+				*eofp = 1;
+			}
+			return (0);
+		}
+
+		dirent->d_off = (off64_t)(uoffset + LXPR_SDSIZE);
+		dirent->d_reclen = (ushort_t)reclen;
+
+		/*
+		 * if the size of the data to transfer is greater
+		 * that that requested then we can't do it this transfer.
+		 */
+		if (reclen > uresid) {
+			/*
+			 * Error if no entries have been returned yet.
+			 */
+			if (uresid == oresid) {
+				return (EINVAL);
+			}
+			break;
+		}
+
+		/*
+		 * uiomove() updates both uiop->uio_resid and uiop->uio_offset
+		 * by the same amount.  But we want uiop->uio_offset to change
+		 * in increments of LXPR_SDSIZE, which is different from the
+		 * number of bytes being returned to the user.  So we set
+		 * uiop->uio_offset separately, ignoring what uiomove() does.
+		 */
+		if ((error = uiomove((caddr_t)dirent, reclen, UIO_READ,
+		    uiop)) != 0)
+			return (error);
+
+		uiop->uio_offset = uoffset + LXPR_SDSIZE;
+	}
+
+	/* Have run out of space, but could have just done last table entry */
+	if (eofp) {
+		*eofp =
+		    (uiop->uio_offset >= ((dirtablen+2) * LXPR_SDSIZE)) ? 1 : 0;
+	}
+	return (0);
+}
+
+
+static int
+lxpr_readdir_procdir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	/* bp holds one dirent64 structure */
+	longlong_t bp[DIRENT64_RECLEN(LXPNSIZ) / sizeof (longlong_t)];
+	dirent64_t *dirent = (dirent64_t *)bp;
+	ssize_t oresid;	/* save a copy for testing later */
+	ssize_t uresid;
+	off_t uoffset;
+	zoneid_t zoneid;
+	pid_t pid;
+	int error;
+	int ceof;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PROCDIR);
+
+	oresid = uiop->uio_resid;
+	zoneid = LXPTOZ(lxpnp)->zone_id;
+
+	/*
+	 * We return directory entries in the order: "." and ".." then the
+	 * unique lxproc files, then the directories corresponding to the
+	 * running processes.  We have defined this as the ordering because
+	 * it allows us to more easily keep track of where we are betwen calls
+	 * to getdents().  If the number of processes changes between calls
+	 * then we can't lose track of where we are in the lxproc files.
+	 */
+
+	/* Do the fixed entries */
+	error = lxpr_readdir_common(lxpnp, uiop, &ceof, lxpr_dir,
+	    PROCDIRFILES);
+
+	/* Finished if we got an error or if we couldn't do all the table */
+	if (error != 0 || ceof == 0)
+		return (error);
+
+	/* clear out the dirent buffer */
+	bzero(bp, sizeof (bp));
+
+	/* Do the process entries */
+	while ((uresid = uiop->uio_resid) > 0) {
+		proc_t *p;
+		int len;
+		int reclen;
+		int i;
+
+		uoffset = uiop->uio_offset;
+
+		/*
+		 * Stop when entire proc table has been examined.
+		 */
+		i = (uoffset / LXPR_SDSIZE) - 2 - PROCDIRFILES;
+		if (i >= v.v_proc) {
+			/* Run out of table entries */
+			if (eofp) {
+				*eofp = 1;
+			}
+			return (0);
+		}
+		mutex_enter(&pidlock);
+
+		/*
+		 * Skip indices for which there is no pid_entry, PIDs for
+		 * which there is no corresponding process, a PID of 0,
+		 * and anything the security policy doesn't allow
+		 * us to look at.
+		 */
+		if ((p = pid_entry(i)) == NULL || p->p_stat == SIDL ||
+		    p->p_pid == 0 ||
+		    secpolicy_basic_procinfo(CRED(), p, curproc) != 0) {
+			mutex_exit(&pidlock);
+			goto next;
+		}
+		mutex_exit(&pidlock);
+
+		/*
+		 * Convert pid to the Linux default of 1 if we're the zone's
+		 * init process, otherwise use the value from the proc
+		 * structure
+		 */
+		pid = ((p->p_pid != curproc->p_zone->zone_proc_initpid) ?
+		    p->p_pid : 1);
+
+		/*
+		 * If this /proc was mounted in the global zone, view
+		 * all procs; otherwise, only view zone member procs.
+		 */
+		if (zoneid != GLOBAL_ZONEID && p->p_zone->zone_id != zoneid) {
+			goto next;
+		}
+
+		ASSERT(p->p_stat != 0);
+
+		dirent->d_ino = lxpr_inode(LXPR_PIDDIR, pid, 0);
+		len = snprintf(dirent->d_name, LXPNSIZ, "%d", pid);
+		ASSERT(len < LXPNSIZ);
+		reclen = DIRENT64_RECLEN(len);
+
+		dirent->d_off = (off64_t)(uoffset + LXPR_SDSIZE);
+		dirent->d_reclen = (ushort_t)reclen;
+
+		/*
+		 * if the size of the data to transfer is greater
+		 * that that requested then we can't do it this transfer.
+		 */
+		if (reclen > uresid) {
+			/*
+			 * Error if no entries have been returned yet.
+			 */
+			if (uresid == oresid)
+				return (EINVAL);
+			break;
+		}
+
+		/*
+		 * uiomove() updates both uiop->uio_resid and uiop->uio_offset
+		 * by the same amount.  But we want uiop->uio_offset to change
+		 * in increments of LXPR_SDSIZE, which is different from the
+		 * number of bytes being returned to the user.  So we set
+		 * uiop->uio_offset separately, in the increment of this for
+		 * the loop, ignoring what uiomove() does.
+		 */
+		if ((error = uiomove((caddr_t)dirent, reclen, UIO_READ,
+		    uiop)) != 0)
+			return (error);
+next:
+		uiop->uio_offset = uoffset + LXPR_SDSIZE;
+	}
+
+	if (eofp != NULL) {
+		*eofp = (uiop->uio_offset >=
+		    ((v.v_proc + PROCDIRFILES + 2) * LXPR_SDSIZE)) ? 1 : 0;
+	}
+
+	return (0);
+}
+
+static int
+lxpr_readdir_piddir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	proc_t *p;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PIDDIR);
+
+	/* can't read its contents if it died */
+	mutex_enter(&pidlock);
+
+	p = prfind((lxpnp->lxpr_pid == 1) ?
+	    curproc->p_zone->zone_proc_initpid : lxpnp->lxpr_pid);
+
+	if (p == NULL || p->p_stat == SIDL) {
+		mutex_exit(&pidlock);
+		return (ENOENT);
+	}
+	mutex_exit(&pidlock);
+
+	return (lxpr_readdir_common(lxpnp, uiop, eofp, piddir, PIDDIRFILES));
+}
+
+static int
+lxpr_readdir_netdir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	ASSERT(lxpnp->lxpr_type == LXPR_NETDIR);
+	return (lxpr_readdir_common(lxpnp, uiop, eofp, netdir, NETDIRFILES));
+}
+
+static int
+lxpr_readdir_fddir(lxpr_node_t *lxpnp, uio_t *uiop, int *eofp)
+{
+	/* bp holds one dirent64 structure */
+	longlong_t bp[DIRENT64_RECLEN(LXPNSIZ) / sizeof (longlong_t)];
+	dirent64_t *dirent = (dirent64_t *)bp;
+	ssize_t oresid;	/* save a copy for testing later */
+	ssize_t uresid;
+	off_t uoffset;
+	int error;
+	int ceof;
+	proc_t *p;
+	int fddirsize = -1;
+	uf_info_t *fip;
+
+	ASSERT(lxpnp->lxpr_type == LXPR_PID_FDDIR);
+
+	oresid = uiop->uio_resid;
+
+	/* can't read its contents if it died */
+	p = lxpr_lock(lxpnp->lxpr_pid);
+	if (p == NULL)
+		return (ENOENT);
+
+	if ((p->p_stat == SZOMB) || (p->p_flag & SSYS) || (p->p_as == &kas))
+		fddirsize = 0;
+
+	/*
+	 * Drop p_lock, but keep the process P_PR_LOCK'd to prevent it from
+	 * going away while we iterate over its fi_list.
+	 */
+	mutex_exit(&p->p_lock);
+
+	/* Get open file info */
+	fip = (&(p)->p_user.u_finfo);
+	mutex_enter(&fip->fi_lock);
+
+	if (fddirsize == -1)
+		fddirsize = fip->fi_nfiles;
+
+	/* Do the fixed entries (in this case just "." & "..") */
+	error = lxpr_readdir_common(lxpnp, uiop, &ceof, 0, 0);
+
+	/* Finished if we got an error or if we couldn't do all the table */
+	if (error != 0 || ceof == 0)
+		goto out;
+
+	/* clear out the dirent buffer */
+	bzero(bp, sizeof (bp));
+
+	/*
+	 * Loop until user's request is satisfied or until
+	 * all file descriptors have been examined.
+	 */
+	for (; (uresid = uiop->uio_resid) > 0;
+	    uiop->uio_offset = uoffset + LXPR_SDSIZE) {
+		int reclen;
+		int fd;
+		int len;
+
+		uoffset = uiop->uio_offset;
+
+		/*
+		 * Stop at the end of the fd list
+		 */
+		fd = (uoffset / LXPR_SDSIZE) - 2;
+		if (fd >= fddirsize) {
+			if (eofp) {
+				*eofp = 1;
+			}
+			goto out;
+		}
+
+		if (fip->fi_list[fd].uf_file == NULL)
+			continue;
+
+		dirent->d_ino = lxpr_inode(LXPR_PID_FD_FD, lxpnp->lxpr_pid, fd);
+		len = snprintf(dirent->d_name, LXPNSIZ, "%d", fd);
+		ASSERT(len < LXPNSIZ);
+		reclen = DIRENT64_RECLEN(len);
+
+		dirent->d_off = (off64_t)(uoffset + LXPR_SDSIZE);
+		dirent->d_reclen = (ushort_t)reclen;
+
+		if (reclen > uresid) {
+			/*
+			 * Error if no entries have been returned yet.
+			 */
+			if (uresid == oresid)
+				error = EINVAL;
+			goto out;
+		}
+
+		if ((error = uiomove((caddr_t)dirent, reclen, UIO_READ,
+		    uiop)) != 0)
+			goto out;
+	}
+
+	if (eofp != NULL) {
+		*eofp =
+		    (uiop->uio_offset >= ((fddirsize+2) * LXPR_SDSIZE)) ? 1 : 0;
+	}
+
+out:
+	mutex_exit(&fip->fi_lock);
+	mutex_enter(&p->p_lock);
+	lxpr_unlock(p);
+	return (error);
+}
+
+
+/*
+ * lxpr_readlink(): Vnode operation for VOP_READLINK()
+ */
+/* ARGSUSED */
+static int
+lxpr_readlink(vnode_t *vp, uio_t *uiop, cred_t *cr, caller_context_t *ct)
+{
+	char bp[MAXPATHLEN + 1];
+	size_t buflen = sizeof (bp);
+	lxpr_node_t *lxpnp = VTOLXP(vp);
+	vnode_t *rvp = lxpnp->lxpr_realvp;
+	pid_t pid;
+	int error = 0;
+
+	/* must be a symbolic link file */
+	if (vp->v_type != VLNK)
+		return (EINVAL);
+
+	/* Try to produce a symlink name for anything that has a realvp */
+	if (rvp != NULL) {
+		if ((error = lxpr_access(vp, VREAD, 0, CRED(), ct)) != 0)
+			return (error);
+		if ((error = vnodetopath(NULL, rvp, bp, buflen, CRED())) != 0)
+			return (error);
+	} else {
+		switch (lxpnp->lxpr_type) {
+		case LXPR_SELF:
+			/*
+			 * Convert pid to the Linux default of 1 if we're the
+			 * zone's init process
+			 */
+			pid = ((curproc->p_pid !=
+			    curproc->p_zone->zone_proc_initpid)
+			    ? curproc->p_pid : 1);
+
+			/*
+			 * Don't need to check result as every possible int
+			 * will fit within MAXPATHLEN bytes.
+			 */
+			(void) snprintf(bp, buflen, "%d", pid);
+			break;
+		case LXPR_PID_CURDIR:
+		case LXPR_PID_ROOTDIR:
+		case LXPR_PID_EXE:
+			return (EACCES);
+		default:
+			/*
+			 * Need to return error so that nothing thinks
+			 * that the symlink is empty and hence "."
+			 */
+			return (EINVAL);
+		}
+	}
+
+	/* copy the link data to user space */
+	return (uiomove(bp, strlen(bp), UIO_READ, uiop));
+}
+
+/*
+ * lxpr_inactive(): Vnode operation for VOP_INACTIVE()
+ * Vnode is no longer referenced, deallocate the file
+ * and all its resources.
+ */
+/* ARGSUSED */
+static void
+lxpr_inactive(vnode_t *vp, cred_t *cr, caller_context_t *ct)
+{
+	lxpr_freenode(VTOLXP(vp));
+}
+
+/*
+ * lxpr_sync(): Vnode operation for VOP_SYNC()
+ */
+static int
+lxpr_sync()
+{
+	/*
+	 * Nothing to sync but this function must never fail
+	 */
+	return (0);
+}
+
+/*
+ * lxpr_cmp(): Vnode operation for VOP_CMP()
+ */
+static int
+lxpr_cmp(vnode_t *vp1, vnode_t *vp2, caller_context_t *ct)
+{
+	vnode_t *rvp;
+
+	while (vn_matchops(vp1, lxpr_vnodeops) &&
+	    (rvp = VTOLXP(vp1)->lxpr_realvp) != NULL) {
+		vp1 = rvp;
+	}
+
+	while (vn_matchops(vp2, lxpr_vnodeops) &&
+	    (rvp = VTOLXP(vp2)->lxpr_realvp) != NULL) {
+		vp2 = rvp;
+	}
+
+	if (vn_matchops(vp1, lxpr_vnodeops) || vn_matchops(vp2, lxpr_vnodeops))
+		return (vp1 == vp2);
+
+	return (VOP_CMP(vp1, vp2, ct));
+}
+
+/*
+ * lxpr_realvp(): Vnode operation for VOP_REALVP()
+ */
+static int
+lxpr_realvp(vnode_t *vp, vnode_t **vpp, caller_context_t *ct)
+{
+	vnode_t *rvp;
+
+	if ((rvp = VTOLXP(vp)->lxpr_realvp) != NULL) {
+		vp = rvp;
+		if (VOP_REALVP(vp, &rvp, ct) == 0)
+			vp = rvp;
+	}
+
+	*vpp = vp;
+	return (0);
+}
diff --git a/usr/src/uts/common/fs/lxproc/lxproc.h b/usr/src/uts/common/fs/lxproc/lxproc.h
new file mode 100644
index 0000000000..c3bba1f073
--- /dev/null
+++ b/usr/src/uts/common/fs/lxproc/lxproc.h
@@ -0,0 +1,278 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc. All rights reserved.
+ */
+
+#ifdef _LXPROC_BRANDED_H
+#error Attempted to include native lxproc.h after branded lx_proc.h
+#endif
+
+#ifndef	_LXPROC_H
+#define	_LXPROC_H
+#define	_LXPROC_NATIVE_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * lxproc.h: declarations, data structures and macros for lxprocfs
+ */
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/policy.h>
+#include <sys/debug.h>
+#include <sys/dirent.h>
+#include <sys/errno.h>
+#include <sys/file.h>
+#include <sys/kmem.h>
+#include <sys/pathname.h>
+#include <sys/proc.h>
+#include <sys/systm.h>
+#include <sys/var.h>
+#include <sys/user.h>
+#include <sys/t_lock.h>
+#include <sys/sysmacros.h>
+#include <sys/cred.h>
+#include <sys/priv.h>
+#include <sys/vnode.h>
+#include <sys/vfs.h>
+#include <sys/statvfs.h>
+#include <sys/cmn_err.h>
+#include <sys/zone.h>
+#include <sys/uio.h>
+#include <sys/utsname.h>
+#include <sys/dnlc.h>
+#include <sys/atomic.h>
+#include <sys/sunddi.h>
+#include <sys/sunldi.h>
+#include <vm/as.h>
+#include <vm/anon.h>
+
+#define	LX_SIGHUP	1
+#define	LX_SIGINT	2
+#define	LX_SIGQUIT	3
+#define	LX_SIGILL	4
+#define	LX_SIGTRAP	5
+#define	LX_SIGABRT	6
+#define	LX_SIGIOT	6
+#define	LX_SIGBUS	7
+#define	LX_SIGFPE	8
+#define	LX_SIGKILL	9
+#define	LX_SIGUSR1	10
+#define	LX_SIGSEGV	11
+#define	LX_SIGUSR2	12
+#define	LX_SIGPIPE	13
+#define	LX_SIGALRM	14
+#define	LX_SIGTERM	15
+#define	LX_SIGSTKFLT	16
+#define	LX_SIGCHLD	17
+#define	LX_SIGCONT	18
+#define	LX_SIGSTOP	19
+#define	LX_SIGTSTP	20
+#define	LX_SIGTTIN	21
+#define	LX_SIGTTOU	22
+#define	LX_SIGURG	23
+#define	LX_SIGXCPU	24
+#define	LX_SIGXFSZ	25
+#define	LX_SIGVTALRM	26
+#define	LX_SIGPROF	27
+#define	LX_SIGWINCH	28
+#define	LX_SIGIO	29
+#define	LX_SIGPOLL	LX_SIGIO
+#define	LX_SIGPWR	30
+#define	LX_SIGSYS	31
+#define	LX_SIGUNUSED	31
+
+#define	LX_NSIG		64	/* Linux _NSIG */
+
+#define	LX_SIGRTMIN	32
+#define	LX_SIGRTMAX	LX_NSIG
+
+/*
+ * Convert a vnode into an lxpr_mnt_t
+ */
+#define	VTOLXPM(vp)	((lxpr_mnt_t *)(vp)->v_vfsp->vfs_data)
+
+/*
+ * convert a vnode into an lxpr_node
+ */
+#define	VTOLXP(vp)	((lxpr_node_t *)(vp)->v_data)
+
+/*
+ * convert a lxprnode into a vnode
+ */
+#define	LXPTOV(lxpnp)	((lxpnp)->lxpr_vnode)
+
+/*
+ * convert a lxpr_node into zone for fs
+ */
+#define	LXPTOZ(lxpnp) \
+	(((lxpr_mnt_t *)(lxpnp)->lxpr_vnode->v_vfsp->vfs_data)->lxprm_zone)
+
+#define	LXPNSIZ		256	/* max size of lx /proc file name entries */
+
+/*
+ * Pretend that a directory entry takes 16 bytes
+ */
+#define	LXPR_SDSIZE	16
+
+/*
+ * Node/file types for lx /proc files
+ * (directories and files contained therein).
+ */
+typedef enum lxpr_nodetype {
+	LXPR_PROCDIR,		/* /proc		*/
+	LXPR_PIDDIR,		/* /proc/<pid>		*/
+	LXPR_PID_CMDLINE,	/* /proc/<pid>/cmdline	*/
+	LXPR_PID_CPU,		/* /proc/<pid>/cpu	*/
+	LXPR_PID_CURDIR,	/* /proc/<pid>/cwd	*/
+	LXPR_PID_ENV,		/* /proc/<pid>/environ	*/
+	LXPR_PID_EXE,		/* /proc/<pid>/exe	*/
+	LXPR_PID_MAPS,		/* /proc/<pid>/maps	*/
+	LXPR_PID_MEM,		/* /proc/<pid>/mem	*/
+	LXPR_PID_ROOTDIR,	/* /proc/<pid>/root	*/
+	LXPR_PID_STAT,		/* /proc/<pid>/stat	*/
+	LXPR_PID_STATM,		/* /proc/<pid>/statm	*/
+	LXPR_PID_STATUS,	/* /proc/<pid>/status	*/
+	LXPR_PID_FDDIR,		/* /proc/<pid>/fd	*/
+	LXPR_PID_FD_FD,		/* /proc/<pid>/fd/nn	*/
+	LXPR_CMDLINE,		/* /proc/cmdline	*/
+	LXPR_CPUINFO,		/* /proc/cpuinfo	*/
+	LXPR_DEVICES,		/* /proc/devices	*/
+	LXPR_DMA,		/* /proc/dma		*/
+	LXPR_FILESYSTEMS,	/* /proc/filesystems	*/
+	LXPR_INTERRUPTS,	/* /proc/interrupts	*/
+	LXPR_IOPORTS,		/* /proc/ioports	*/
+	LXPR_KCORE,		/* /proc/kcore		*/
+	LXPR_KMSG,		/* /proc/kmsg		*/
+	LXPR_LOADAVG,		/* /proc/loadavg	*/
+	LXPR_MEMINFO,		/* /proc/meminfo	*/
+	LXPR_MOUNTS,		/* /proc/mounts		*/
+	LXPR_NETDIR,		/* /proc/net		*/
+	LXPR_NET_ARP,		/* /proc/net/arp	*/
+	LXPR_NET_DEV,		/* /proc/net/dev	*/
+	LXPR_NET_DEV_MCAST,	/* /proc/net/dev_mcast	*/
+	LXPR_NET_IGMP,		/* /proc/net/igmp	*/
+	LXPR_NET_IP_MR_CACHE,	/* /proc/net/ip_mr_cache */
+	LXPR_NET_IP_MR_VIF,	/* /proc/net/ip_mr_vif	*/
+	LXPR_NET_MCFILTER,	/* /proc/net/mcfilter	*/
+	LXPR_NET_NETSTAT,	/* /proc/net/netstat	*/
+	LXPR_NET_RAW,		/* /proc/net/raw	*/
+	LXPR_NET_ROUTE,		/* /proc/net/route	*/
+	LXPR_NET_RPC,		/* /proc/net/rpc	*/
+	LXPR_NET_RT_CACHE,	/* /proc/net/rt_cache	*/
+	LXPR_NET_SOCKSTAT,	/* /proc/net/sockstat	*/
+	LXPR_NET_SNMP,		/* /proc/net/snmp	*/
+	LXPR_NET_STAT,		/* /proc/net/stat	*/
+	LXPR_NET_TCP,		/* /proc/net/tcp	*/
+	LXPR_NET_UDP,		/* /proc/net/udp	*/
+	LXPR_NET_UNIX,		/* /proc/net/unix	*/
+	LXPR_PARTITIONS,	/* /proc/partitions	*/
+	LXPR_SELF,		/* /proc/self		*/
+	LXPR_STAT,		/* /proc/stat		*/
+	LXPR_UPTIME,		/* /proc/uptime		*/
+	LXPR_VERSION,		/* /proc/version	*/
+	LXPR_NFILES		/* number of lx /proc file types */
+} lxpr_nodetype_t;
+
+/*
+ * Number of fds allowed for in the inode number calculation
+ * per process (if a process has more fds then inode numbers
+ * may be duplicated)
+ */
+#define	LXPR_FD_PERPROC 2000
+
+/*
+ * external dirent characteristics
+ */
+#define	LXPRMAXNAMELEN	14
+typedef struct {
+	lxpr_nodetype_t	d_type;
+	char		d_name[LXPRMAXNAMELEN];
+} lxpr_dirent_t;
+
+/*
+ * This is the lxprocfs private data object
+ * which is attached to v_data in the vnode structure
+ */
+typedef struct lxpr_node {
+	lxpr_nodetype_t	lxpr_type;	/* type of this node 		*/
+	vnode_t		*lxpr_vnode;	/* vnode for the node		*/
+	vnode_t		*lxpr_parent;	/* parent directory		*/
+	vnode_t		*lxpr_realvp;	/* real vnode, file in dirs	*/
+	timestruc_t	lxpr_time;	/* creation etc time for file	*/
+	mode_t		lxpr_mode;	/* file mode bits		*/
+	uid_t		lxpr_uid;	/* file owner			*/
+	gid_t		lxpr_gid;	/* file group owner		*/
+	pid_t		lxpr_pid;	/* pid of proc referred to	*/
+	ino_t		lxpr_ino;	/* node id 			*/
+	ldi_handle_t	lxpr_cons_ldih; /* ldi handle for console device */
+} lxpr_node_t;
+
+struct zone;    /* forward declaration */
+
+/*
+ * This is the lxprocfs private data object
+ * which is attached to vfs_data in the vfs structure
+ */
+typedef struct lxpr_mnt {
+	lxpr_node_t	*lxprm_node;	/* node at root of proc mount */
+	struct zone	*lxprm_zone;	/* zone for this mount */
+	ldi_ident_t	lxprm_li;	/* ident for ldi */
+} lxpr_mnt_t;
+
+extern vnodeops_t	*lxpr_vnodeops;
+extern int		nproc_highbit;	/* highbit(v.v_nproc)		*/
+
+typedef struct mounta	mounta_t;
+
+extern void lxpr_initnodecache();
+extern void lxpr_fininodecache();
+extern void lxpr_initrootnode(lxpr_node_t **, vfs_t *);
+extern ino_t lxpr_inode(lxpr_nodetype_t, pid_t, int);
+extern ino_t lxpr_parentinode(lxpr_node_t *);
+extern lxpr_node_t *lxpr_getnode(vnode_t *, lxpr_nodetype_t, proc_t *, int);
+extern void lxpr_freenode(lxpr_node_t *);
+
+typedef struct lxpr_uiobuf lxpr_uiobuf_t;
+extern lxpr_uiobuf_t *lxpr_uiobuf_new(uio_t *);
+extern void lxpr_uiobuf_free(lxpr_uiobuf_t *);
+extern int lxpr_uiobuf_flush(lxpr_uiobuf_t *);
+extern void lxpr_uiobuf_seek(lxpr_uiobuf_t *, offset_t);
+extern void lxpr_uiobuf_write(lxpr_uiobuf_t *, const char *, size_t);
+extern void lxpr_uiobuf_printf(lxpr_uiobuf_t *, const char *, ...);
+extern void lxpr_uiobuf_seterr(lxpr_uiobuf_t *, int);
+
+proc_t *lxpr_lock(pid_t);
+void lxpr_unlock(proc_t *);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _LXPROC_H */
diff --git a/usr/src/uts/common/fs/nfs/nfs3_vfsops.c b/usr/src/uts/common/fs/nfs/nfs3_vfsops.c
index 207a708771..2176dcb9de 100644
--- a/usr/src/uts/common/fs/nfs/nfs3_vfsops.c
+++ b/usr/src/uts/common/fs/nfs/nfs3_vfsops.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 1986, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2013, Joyent, Inc. All rights reserved.
  */
 
 /*
diff --git a/usr/src/uts/common/fs/nfs/nfs3_vnops.c b/usr/src/uts/common/fs/nfs/nfs3_vnops.c
index b7354c168a..cd1e08d5d7 100644
--- a/usr/src/uts/common/fs/nfs/nfs3_vnops.c
+++ b/usr/src/uts/common/fs/nfs/nfs3_vnops.c
@@ -29,7 +29,7 @@
  */
 
 /*
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
  */
 
@@ -3353,10 +3353,9 @@ nfs3rename(vnode_t *odvp, char *onm, vnode_t *ndvp, char *nnm, cred_t *cr,
 		if (nvp)
 			vnevent_rename_dest(nvp, ndvp, nnm, ct);
 
-		if (odvp != ndvp)
-			vnevent_rename_dest_dir(ndvp, ct);
 		ASSERT(ovp != NULL);
 		vnevent_rename_src(ovp, odvp, onm, ct);
+		vnevent_rename_dest_dir(ndvp, ovp, nnm, ct);
 	}
 
 	if (nvp) {
diff --git a/usr/src/uts/common/fs/nfs/nfs4_vfsops.c b/usr/src/uts/common/fs/nfs/nfs4_vfsops.c
index 151cb62403..55f6c95289 100644
--- a/usr/src/uts/common/fs/nfs/nfs4_vfsops.c
+++ b/usr/src/uts/common/fs/nfs/nfs4_vfsops.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2013, Joyent, Inc. All rights reserved.
  */
 
 /*
diff --git a/usr/src/uts/common/fs/nfs/nfs4_vnops.c b/usr/src/uts/common/fs/nfs/nfs4_vnops.c
index d6bf384a8b..2b3fdfdd55 100644
--- a/usr/src/uts/common/fs/nfs/nfs4_vnops.c
+++ b/usr/src/uts/common/fs/nfs/nfs4_vnops.c
@@ -34,7 +34,7 @@
  */
 
 /*
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  */
 
 #include <sys/param.h>
@@ -8061,8 +8061,9 @@ link_call:
 	 * vnode if it already existed.
 	 */
 	if (error == 0) {
-		vnode_t *tvp;
+		vnode_t *tvp, *tovp;
 		rnode4_t *trp;
+
 		/*
 		 * Notify the vnode. Each links is represented by
 		 * a different vnode, in nfsv4.
@@ -8075,23 +8076,20 @@ link_call:
 			vnevent_rename_dest(tvp, ndvp, nnm, ct);
 		}
 
-		/*
-		 * if the source and destination directory are not the
-		 * same notify the destination directory.
-		 */
-		if (VTOR4(odvp) != VTOR4(ndvp)) {
-			trp = VTOR4(ndvp);
-			tvp = ndvp;
-			if (IS_SHADOW(ndvp, trp))
-				tvp = RTOV4(trp);
-			vnevent_rename_dest_dir(tvp, ct);
-		}
-
 		trp = VTOR4(ovp);
-		tvp = ovp;
+		tovp = ovp;
 		if (IS_SHADOW(ovp, trp))
+			tovp = RTOV4(trp);
+
+		vnevent_rename_src(tovp, odvp, onm, ct);
+
+		trp = VTOR4(ndvp);
+		tvp = ndvp;
+
+		if (IS_SHADOW(ndvp, trp))
 			tvp = RTOV4(trp);
-		vnevent_rename_src(tvp, odvp, onm, ct);
+
+		vnevent_rename_dest_dir(tvp, tovp, nnm, ct);
 	}
 
 	if (nvp) {
diff --git a/usr/src/uts/common/fs/nfs/nfs_auth.c b/usr/src/uts/common/fs/nfs/nfs_auth.c
index 3410340581..a8bcfdf438 100644
--- a/usr/src/uts/common/fs/nfs/nfs_auth.c
+++ b/usr/src/uts/common/fs/nfs/nfs_auth.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 1995, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
  */
 
 #include <sys/param.h>
@@ -559,11 +560,16 @@ retry:
 			*access = res.ares.auth_perm;
 			*srv_uid = res.ares.auth_srv_uid;
 			*srv_gid = res.ares.auth_srv_gid;
-			*srv_gids_cnt = res.ares.auth_srv_gids.len;
-			*srv_gids = kmem_alloc(*srv_gids_cnt * sizeof (gid_t),
-			    KM_SLEEP);
-			bcopy(res.ares.auth_srv_gids.val, *srv_gids,
-			    *srv_gids_cnt * sizeof (gid_t));
+
+			if ((*srv_gids_cnt = res.ares.auth_srv_gids.len) != 0) {
+				*srv_gids = kmem_alloc(*srv_gids_cnt *
+				    sizeof (gid_t), KM_SLEEP);
+				bcopy(res.ares.auth_srv_gids.val, *srv_gids,
+				    *srv_gids_cnt * sizeof (gid_t));
+			} else {
+				*srv_gids = NULL;
+			}
+
 			break;
 
 		case NFSAUTH_DR_EFAIL:
@@ -1114,9 +1120,13 @@ wait:
 		if (gid != NULL)
 			*gid = p->auth_srv_gid;
 		if (ngids != NULL && gids != NULL) {
-			*ngids = p->auth_srv_ngids;
-			*gids = kmem_alloc(*ngids * sizeof (gid_t), KM_SLEEP);
-			bcopy(p->auth_srv_gids, *gids, *ngids * sizeof (gid_t));
+			if ((*ngids = p->auth_srv_ngids) != 0) {
+				size_t sz = *ngids * sizeof (gid_t);
+				*gids = kmem_alloc(sz, KM_SLEEP);
+				bcopy(p->auth_srv_gids, *gids, sz);
+			} else {
+				*gids = NULL;
+			}
 		}
 
 		access = p->auth_access;
diff --git a/usr/src/uts/common/fs/nfs/nfs_server.c b/usr/src/uts/common/fs/nfs/nfs_server.c
index 7e94c62734..93ccd28122 100644
--- a/usr/src/uts/common/fs/nfs/nfs_server.c
+++ b/usr/src/uts/common/fs/nfs/nfs_server.c
@@ -23,6 +23,7 @@
  * Copyright (c) 2011 Bayard G. Bell. All rights reserved.
  * Copyright (c) 2013 by Delphix. All rights reserved.
  * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright (c) 2012 Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -2570,6 +2571,9 @@ nfs_srvinit(void)
 {
 	int error;
 
+	if (getzoneid() != GLOBAL_ZONEID)
+		return (EACCES);
+
 	error = nfs_exportinit();
 	if (error != 0)
 		return (error);
diff --git a/usr/src/uts/common/fs/nfs/nfs_vfsops.c b/usr/src/uts/common/fs/nfs/nfs_vfsops.c
index 57b21778b4..ffd5380a86 100644
--- a/usr/src/uts/common/fs/nfs/nfs_vfsops.c
+++ b/usr/src/uts/common/fs/nfs/nfs_vfsops.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 1986, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2013, Joyent, Inc. All rights reserved.
  *
  *	Copyright (c) 1983,1984,1985,1986,1987,1988,1989  AT&T.
  *	All rights reserved.
diff --git a/usr/src/uts/common/fs/nfs/nfs_vnops.c b/usr/src/uts/common/fs/nfs/nfs_vnops.c
index 1a1082bcb8..8c321c8aa3 100644
--- a/usr/src/uts/common/fs/nfs/nfs_vnops.c
+++ b/usr/src/uts/common/fs/nfs/nfs_vnops.c
@@ -26,7 +26,7 @@
  */
 
 /*
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
  */
 
@@ -2688,11 +2688,9 @@ nfsrename(vnode_t *odvp, char *onm, vnode_t *ndvp, char *nnm, cred_t *cr,
 		if (nvp)
 			vnevent_rename_dest(nvp, ndvp, nnm, ct);
 
-		if (odvp != ndvp)
-			vnevent_rename_dest_dir(ndvp, ct);
-
 		ASSERT(ovp != NULL);
 		vnevent_rename_src(ovp, odvp, onm, ct);
+		vnevent_rename_dest_dir(ndvp, ovp, nnm, ct);
 	}
 
 	if (nvp) {
diff --git a/usr/src/uts/common/fs/pcfs/pc_dir.c b/usr/src/uts/common/fs/pcfs/pc_dir.c
index a9ee604b7c..21a0b1a4bd 100644
--- a/usr/src/uts/common/fs/pcfs/pc_dir.c
+++ b/usr/src/uts/common/fs/pcfs/pc_dir.c
@@ -24,6 +24,10 @@
  * Use is subject to license terms.
  */
 
+/*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
+
 #include <sys/param.h>
 #include <sys/errno.h>
 #include <sys/systm.h>
@@ -822,10 +826,10 @@ top:
 			return (error);
 		}
 	}
-out:
-	vnevent_rename_src(PCTOV(pcp), PCTOV(dp), snm, ctp);
-	if (dp != tdp) {
-		vnevent_rename_dest_dir(PCTOV(tdp), ctp);
+
+	if (error == 0) {
+		vnevent_rename_src(PCTOV(pcp), PCTOV(dp), snm, ctp);
+		vnevent_rename_dest_dir(PCTOV(tdp), PCTOV(pcp), tnm, ctp);
 	}
 
 	VN_RELE(PCTOV(pcp));
diff --git a/usr/src/uts/common/fs/portfs/port.c b/usr/src/uts/common/fs/portfs/port.c
index 14be8cbbae..11b7386269 100644
--- a/usr/src/uts/common/fs/portfs/port.c
+++ b/usr/src/uts/common/fs/portfs/port.c
@@ -24,7 +24,9 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
+ */
 
 #include <sys/types.h>
 #include <sys/systm.h>
@@ -1381,12 +1383,18 @@ portnowait:
 
 	if (model == DATAMODEL_NATIVE) {
 		eventsz = sizeof (port_event_t);
-		kevp = kmem_alloc(eventsz * nmax, KM_NOSLEEP);
-		if (kevp == NULL) {
-			if (nmax > pp->port_max_list)
-				nmax = pp->port_max_list;
-			kevp = kmem_alloc(eventsz * nmax, KM_SLEEP);
+
+		if (nmax == 0) {
+			kevp = NULL;
+		} else {
+			kevp = kmem_alloc(eventsz * nmax, KM_NOSLEEP);
+			if (kevp == NULL) {
+				if (nmax > pp->port_max_list)
+					nmax = pp->port_max_list;
+				kevp = kmem_alloc(eventsz * nmax, KM_SLEEP);
+			}
 		}
+
 		results = kevp;
 		lev = NULL;	/* start with first event in the queue */
 		for (nevents = 0; nevents < nmax; ) {
@@ -1423,12 +1431,18 @@ portnowait:
 		port_event32_t	*kevp32;
 
 		eventsz = sizeof (port_event32_t);
-		kevp32 = kmem_alloc(eventsz * nmax, KM_NOSLEEP);
-		if (kevp32 == NULL) {
-			if (nmax > pp->port_max_list)
-				nmax = pp->port_max_list;
-			kevp32 = kmem_alloc(eventsz * nmax, KM_SLEEP);
+
+		if (nmax == 0) {
+			kevp32 = NULL;
+		} else {
+			kevp32 = kmem_alloc(eventsz * nmax, KM_NOSLEEP);
+			if (kevp32 == NULL) {
+				if (nmax > pp->port_max_list)
+					nmax = pp->port_max_list;
+				kevp32 = kmem_alloc(eventsz * nmax, KM_SLEEP);
+			}
 		}
+
 		results = kevp32;
 		lev = NULL;	/* start with first event in the queue */
 		for (nevents = 0; nevents < nmax; ) {
diff --git a/usr/src/uts/common/fs/portfs/port_vnops.c b/usr/src/uts/common/fs/portfs/port_vnops.c
index b2f5088e06..ab95c0a1f8 100644
--- a/usr/src/uts/common/fs/portfs/port_vnops.c
+++ b/usr/src/uts/common/fs/portfs/port_vnops.c
@@ -24,6 +24,10 @@
  * Use is subject to license terms.
  */
 
+/*
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+ */
+
 #include <sys/types.h>
 #include <sys/vnode.h>
 #include <sys/vfs_opreg.h>
@@ -294,14 +298,10 @@ port_poll(vnode_t *vp, short events, int anyyet, short *reventsp,
 		levents |= POLLOUT;
 	levents &= events;
 	*reventsp = levents;
-	if (levents == 0) {
-		if (!anyyet) {
-			*phpp = &pp->port_pollhd;
-			portq->portq_flags |=
-			    events & POLLIN ? PORTQ_POLLIN : 0;
-			portq->portq_flags |=
-			    events & POLLOUT ? PORTQ_POLLOUT : 0;
-		}
+	if ((levents == 0 && !anyyet) || (events & POLLET)) {
+		*phpp = &pp->port_pollhd;
+		portq->portq_flags |= events & POLLIN ? PORTQ_POLLIN : 0;
+		portq->portq_flags |= events & POLLOUT ? PORTQ_POLLOUT : 0;
 	}
 	mutex_exit(&portq->portq_mutex);
 	return (0);
diff --git a/usr/src/uts/common/fs/proc/prargv.c b/usr/src/uts/common/fs/proc/prargv.c
new file mode 100644
index 0000000000..6a82204d4d
--- /dev/null
+++ b/usr/src/uts/common/fs/proc/prargv.c
@@ -0,0 +1,237 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015, Joyent, Inc.
+ */
+
+#include <sys/types.h>
+#include <sys/sunddi.h>
+#include <sys/proc.h>
+#include <sys/procfs.h>
+#include <sys/sysmacros.h>
+#include <vm/as.h>
+
+/*
+ * Safely read a contiguous region of memory from 'addr' in the address space
+ * of a particular process into the supplied kernel buffer (*buf, sz).
+ * Partially mapped regions will result in a partial read terminating at the
+ * first hole in the address space.  The number of bytes actually read is
+ * returned to the caller via 'rdsz'.
+ */
+static int
+prreadbuf(proc_t *p, uintptr_t ustart, uint8_t *buf, size_t sz, size_t *rdsz)
+{
+	int error = 0;
+	size_t rem = sz;
+	off_t pos = 0;
+
+	if (rdsz != NULL)
+		*rdsz = 0;
+
+	while (rem != 0) {
+		uintptr_t addr = ustart + pos;
+		size_t len = MIN(rem, PAGESIZE - (addr & PAGEOFFSET));
+
+		if ((error = uread(p, buf + pos, len, addr)) != 0) {
+			if (error == ENXIO) {
+				/*
+				 * ENXIO from uread() indicates that the page
+				 * does not exist.  This will simply be a
+				 * partial read.
+				 */
+				error = 0;
+			}
+			break;
+		}
+
+		rem -= len;
+		pos += len;
+	}
+
+	if (rdsz != NULL)
+		*rdsz = pos;
+
+	return (error);
+}
+
+/*
+ * Attempt to read the argument vector (argv) from this process.  The caller
+ * must hold the p_lock mutex, and have marked the process P_PR_LOCK (e.g. via
+ * prlock or lx_prlock).
+ *
+ * The caller must provide a buffer (buf, buflen).  We will concatenate each
+ * argument string (including the NUL terminator) into this buffer.  The number
+ * of characters written to this buffer (including the final NUL terminator)
+ * will be stored in 'slen'.
+ */
+int
+prreadargv(proc_t *p, char *buf, size_t bufsz, size_t *slen)
+{
+	int error;
+	user_t *up;
+	struct as *as;
+	size_t pos = 0;
+	caddr_t *argv = NULL;
+	size_t argvsz = 0;
+	int i;
+
+	VERIFY(MUTEX_HELD(&p->p_lock));
+	VERIFY(p->p_proc_flag & P_PR_LOCK);
+
+	up = PTOU(p);
+	as = p->p_as;
+
+	if ((p->p_flag & SSYS) || as == &kas || up->u_argv == NULL) {
+		/*
+		 * Return the regular psargs string to the caller.
+		 */
+		bcopy(up->u_psargs, buf, MIN(bufsz, sizeof (up->u_psargs)));
+		buf[bufsz - 1] = '\0';
+		*slen = strlen(buf) + 1;
+
+		return (0);
+	}
+
+	/*
+	 * Allocate space to store argv array.
+	 */
+	argvsz = up->u_argc * (p->p_model == DATAMODEL_ILP32 ?
+	    sizeof (caddr32_t) : sizeof (caddr_t));
+	argv = kmem_alloc(argvsz, KM_SLEEP);
+
+	/*
+	 * Extract the argv array from the target process.  Drop p_lock
+	 * while we do I/O to avoid deadlock with the clock thread.
+	 */
+	mutex_exit(&p->p_lock);
+	if ((error = prreadbuf(p, up->u_argv, (uint8_t *)argv, argvsz,
+	    NULL)) != 0) {
+		kmem_free(argv, argvsz);
+		mutex_enter(&p->p_lock);
+		VERIFY(p->p_proc_flag & P_PR_LOCK);
+		return (-1);
+	}
+
+	/*
+	 * Read each argument string from the pointers in the argv array.
+	 */
+	pos = 0;
+	for (i = 0; i < up->u_argc; i++) {
+		size_t rdsz, trysz;
+		uintptr_t arg;
+		off_t j;
+		boolean_t found_nul;
+		boolean_t do_retry = B_TRUE;
+
+#ifdef	_SYSCALL32_IMPL
+		if (p->p_model == DATAMODEL_ILP32) {
+			arg = (uintptr_t)((caddr32_t *)argv)[i];
+		} else {
+			arg = (uintptr_t)argv[i];
+		}
+#else
+		arg = (uintptr_t)argv[i];
+#endif
+
+		/*
+		 * Stop trying to read arguments if we reach a NULL
+		 * pointer in the vector.
+		 */
+		if (arg == NULL)
+			break;
+
+		/*
+		 * Stop reading if we have read the maximum length
+		 * we can return to the user.
+		 */
+		if (pos >= bufsz)
+			break;
+
+		/*
+		 * Initially we try a short read, on the assumption that
+		 * most individual argument strings are less than 80
+		 * characters long.
+		 */
+		if ((trysz = MIN(80, bufsz - pos - 1)) < 80) {
+			/*
+			 * We don't have room in the target buffer for even
+			 * an entire short read, so there is no need to retry
+			 * with a longer read.
+			 */
+			do_retry = B_FALSE;
+		}
+
+retry:
+		/*
+		 * Read string data for this argument.  Leave room
+		 * in the buffer for a final NUL terminator.
+		 */
+		if ((error = prreadbuf(p, arg, (uint8_t *)&buf[pos], trysz,
+		    &rdsz)) != 0) {
+			/*
+			 * There was a problem reading this string
+			 * from the process.  Give up.
+			 */
+			break;
+		}
+
+		/*
+		 * Find the NUL terminator.
+		 */
+		found_nul = B_FALSE;
+		for (j = 0; j < rdsz; j++) {
+			if (buf[pos + j] == '\0') {
+				found_nul = B_TRUE;
+				break;
+			}
+		}
+
+		if (!found_nul && do_retry) {
+			/*
+			 * We did not find a NUL terminator, but this
+			 * was a first pass short read.  Try once more
+			 * with feeling.
+			 */
+			trysz = bufsz - pos - 1;
+			do_retry = B_FALSE;
+			goto retry;
+		}
+
+		/*
+		 * Commit the string we read to the buffer.
+		 */
+		pos += j + 1;
+		if (!found_nul && pos < bufsz) {
+			/*
+			 * A NUL terminator was not found; add one.
+			 */
+			buf[pos++] = '\0';
+		}
+	}
+
+	/*
+	 * Ensure the entire string is NUL-terminated.
+	 */
+	buf[bufsz - 1] = '\0';
+
+	mutex_enter(&p->p_lock);
+	VERIFY(p->p_proc_flag & P_PR_LOCK);
+	kmem_free(argv, argvsz);
+
+	/*
+	 * If the operation was a success, return the copied string length
+	 * to the caller.
+	 */
+	*slen = (error == 0) ? pos : 0;
+
+	return (error);
+}
diff --git a/usr/src/uts/common/fs/proc/prcontrol.c b/usr/src/uts/common/fs/proc/prcontrol.c
index a73a64a4a4..7e99d23b97 100644
--- a/usr/src/uts/common/fs/proc/prcontrol.c
+++ b/usr/src/uts/common/fs/proc/prcontrol.c
@@ -25,7 +25,7 @@
  */
 
 /*
- * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #include <sys/types.h>
@@ -1481,7 +1481,7 @@ pr_setsig(prnode_t *pnp, siginfo_t *sip)
 		} else if (t->t_state == TS_STOPPED && sig == SIGKILL) {
 			/* If SIGKILL, set stopped lwp running */
 			p->p_stopsig = 0;
-			t->t_schedflag |= TS_XSTART | TS_PSTART;
+			t->t_schedflag |= TS_XSTART | TS_PSTART | TS_BSTART;
 			t->t_dtrace_stop = 0;
 			setrun_locked(t);
 		}
@@ -2276,9 +2276,17 @@ pr_szoneid(proc_t *p, zoneid_t zoneid, cred_t *cr)
 		return (EPERM);
 	if (zoneid != GLOBAL_ZONEID && zoneid != p->p_zone->zone_id)
 		return (EINVAL);
-	if ((zptr = zone_find_by_id(zoneid)) == NULL)
-		return (EINVAL);
+	/*
+	 * We cannot hold p_lock when we call zone_find_by_id since that can
+	 * lead to a deadlock. zone_find_by_id() takes zonehash_lock.
+	 * zone_enter() can hold the zonehash_lock and needs p_lock when it
+	 * calls task_join.
+	 */
 	mutex_exit(&p->p_lock);
+	if ((zptr = zone_find_by_id(zoneid)) == NULL) {
+		mutex_enter(&p->p_lock);
+		return (EINVAL);
+	}
 	mutex_enter(&p->p_crlock);
 	oldcred = p->p_cred;
 	crhold(oldcred);
diff --git a/usr/src/uts/common/fs/proc/prdata.h b/usr/src/uts/common/fs/proc/prdata.h
index 8ea516bf82..7c12b81542 100644
--- a/usr/src/uts/common/fs/proc/prdata.h
+++ b/usr/src/uts/common/fs/proc/prdata.h
@@ -27,7 +27,7 @@
 /*	  All Rights Reserved  	*/
 
 /*
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #ifndef _SYS_PROC_PRDATA_H
@@ -123,6 +123,7 @@ typedef enum prnodetype {
 #if defined(__i386) || defined(__amd64)
 	PR_LDT,			/* /proc/<pid>/ldt			*/
 #endif
+	PR_ARGV,		/* /proc/<pid>/argv			*/
 	PR_USAGE,		/* /proc/<pid>/usage			*/
 	PR_LUSAGE,		/* /proc/<pid>/lusage			*/
 	PR_PAGEDATA,		/* /proc/<pid>/pagedata			*/
@@ -347,6 +348,7 @@ extern	int	pr_unset(proc_t *, long);
 extern	void	pr_sethold(prnode_t *, sigset_t *);
 extern	void	pr_setfault(proc_t *, fltset_t *);
 extern	int	prusrio(proc_t *, enum uio_rw, struct uio *, int);
+extern	int	prreadargv(proc_t *, char *, size_t, size_t *);
 extern	int	prwritectl(vnode_t *, struct uio *, cred_t *);
 extern	int	prlock(prnode_t *, int);
 extern	void	prunmark(proc_t *);
diff --git a/usr/src/uts/common/fs/proc/prsubr.c b/usr/src/uts/common/fs/proc/prsubr.c
index 7801fd0ac8..284bf8cb88 100644
--- a/usr/src/uts/common/fs/proc/prsubr.c
+++ b/usr/src/uts/common/fs/proc/prsubr.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -201,6 +201,7 @@ prchoose(proc_t *p)
 			case PR_SYSEXIT:
 			case PR_SIGNALLED:
 			case PR_FAULTED:
+			case PR_BRAND:
 				/*
 				 * Make an lwp calling exit() be the
 				 * last lwp seen in the process.
diff --git a/usr/src/uts/common/fs/proc/prvnops.c b/usr/src/uts/common/fs/proc/prvnops.c
index 411c9b8b0b..276f54ae3a 100644
--- a/usr/src/uts/common/fs/proc/prvnops.c
+++ b/usr/src/uts/common/fs/proc/prvnops.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 /*	Copyright (c) 1984,	 1986, 1987, 1988, 1989 AT&T	*/
@@ -96,6 +96,11 @@ struct prdirect {
 #define	PRSDSIZE	(sizeof (struct prdirect))
 
 /*
+ * Maximum length of the /proc/$$/argv file:
+ */
+int prmaxargvlen = 4096;
+
+/*
  * Directory characteristics.
  */
 typedef struct prdirent {
@@ -166,6 +171,8 @@ static prdirent_t piddir[] = {
 	{ PR_LDT,	27 * sizeof (prdirent_t), sizeof (prdirent_t),
 		"ldt" },
 #endif
+	{ PR_ARGV,	28 * sizeof (prdirent_t), sizeof (prdirent_t),
+		"argv" },
 };
 
 #define	NPIDDIRFILES	(sizeof (piddir) / sizeof (piddir[0]) - 2)
@@ -582,6 +589,7 @@ static int pr_read_inval(), pr_read_as(), pr_read_status(),
 #if defined(__x86)
 	pr_read_ldt(),
 #endif
+	pr_read_argv(),
 	pr_read_usage(), pr_read_lusage(), pr_read_pagedata(),
 	pr_read_watch(), pr_read_lwpstatus(), pr_read_lwpsinfo(),
 	pr_read_lwpusage(), pr_read_xregs(), pr_read_priv(),
@@ -610,6 +618,7 @@ static int (*pr_read_function[PR_NFILES])() = {
 #if defined(__x86)
 	pr_read_ldt,		/* /proc/<pid>/ldt			*/
 #endif
+	pr_read_argv,		/* /proc/<pid>/argv			*/
 	pr_read_usage,		/* /proc/<pid>/usage			*/
 	pr_read_lusage,		/* /proc/<pid>/lusage			*/
 	pr_read_pagedata,	/* /proc/<pid>/pagedata			*/
@@ -672,6 +681,41 @@ pr_uioread(void *base, long count, uio_t *uiop)
 }
 
 static int
+pr_read_argv(prnode_t *pnp, uio_t *uiop)
+{
+	char *args;
+	int error;
+	size_t asz = prmaxargvlen, sz;
+
+	/*
+	 * Allocate a scratch buffer for collection of the process arguments.
+	 */
+	args = kmem_alloc(asz, KM_SLEEP);
+
+	ASSERT(pnp->pr_type == PR_ARGV);
+
+	if ((error = prlock(pnp, ZNO)) != 0) {
+		kmem_free(args, asz);
+		return (error);
+	}
+
+	if ((error = prreadargv(pnp->pr_common->prc_proc, args, asz,
+	    &sz)) != 0) {
+		prunlock(pnp);
+		kmem_free(args, asz);
+		return (error);
+	}
+
+	prunlock(pnp);
+
+	error = pr_uioread(args, sz, uiop);
+
+	kmem_free(args, asz);
+
+	return (error);
+}
+
+static int
 pr_read_as(prnode_t *pnp, uio_t *uiop)
 {
 	int error;
@@ -1767,6 +1811,7 @@ static int (*pr_read_function_32[PR_NFILES])() = {
 #if defined(__x86)
 	pr_read_ldt,		/* /proc/<pid>/ldt			*/
 #endif
+	pr_read_argv,		/* /proc/<pid>/argv			*/
 	pr_read_usage_32,	/* /proc/<pid>/usage			*/
 	pr_read_lusage_32,	/* /proc/<pid>/lusage			*/
 	pr_read_pagedata_32,	/* /proc/<pid>/pagedata			*/
@@ -2686,6 +2731,103 @@ prread(vnode_t *vp, uio_t *uiop, int ioflag, cred_t *cr, caller_context_t *ct)
 #endif
 }
 
+/*
+ * We make pr_write_psinfo_fname() somewhat simpler by asserting at compile
+ * time that PRFNSZ has the same definition as MAXCOMLEN.
+ */
+#if PRFNSZ != MAXCOMLEN
+#error PRFNSZ/MAXCOMLEN mismatch
+#endif
+
+static int
+pr_write_psinfo_fname(prnode_t *pnp, uio_t *uiop)
+{
+	char fname[PRFNSZ];
+	int offset = offsetof(psinfo_t, pr_fname), error;
+
+#ifdef _SYSCALL32_IMPL
+	if (curproc->p_model != DATAMODEL_LP64)
+		offset = offsetof(psinfo32_t, pr_fname);
+#endif
+
+	/*
+	 * If this isn't a write to pr_fname (or if the size doesn't match
+	 * PRFNSZ) return.
+	 */
+	if (uiop->uio_offset != offset || uiop->uio_resid != PRFNSZ)
+		return (0);
+
+	if ((error = uiomove(fname, PRFNSZ, UIO_WRITE, uiop)) != 0)
+		return (error);
+
+	fname[PRFNSZ - 1] = '\0';
+
+	if ((error = prlock(pnp, ZNO)) != 0)
+		return (error);
+
+	bcopy(fname, pnp->pr_common->prc_proc->p_user.u_comm, PRFNSZ);
+
+	prunlock(pnp);
+
+	return (0);
+}
+
+/*
+ * We make pr_write_psinfo_psargs() somewhat simpler by asserting at compile
+ * time that PRARGSZ has the same definition as PSARGSZ.
+ */
+#if PRARGSZ != PSARGSZ
+#error PRARGSZ/PSARGSZ mismatch
+#endif
+
+static int
+pr_write_psinfo_psargs(prnode_t *pnp, uio_t *uiop)
+{
+	char psargs[PRARGSZ];
+	int offset = offsetof(psinfo_t, pr_psargs), error;
+
+#ifdef _SYSCALL32_IMPL
+	if (curproc->p_model != DATAMODEL_LP64)
+		offset = offsetof(psinfo32_t, pr_psargs);
+#endif
+
+	/*
+	 * If this isn't a write to pr_psargs (or if the size doesn't match
+	 * PRARGSZ) return.
+	 */
+	if (uiop->uio_offset != offset || uiop->uio_resid != PRARGSZ)
+		return (0);
+
+	if ((error = uiomove(psargs, PRARGSZ, UIO_WRITE, uiop)) != 0)
+		return (error);
+
+	psargs[PRARGSZ - 1] = '\0';
+
+	if ((error = prlock(pnp, ZNO)) != 0)
+		return (error);
+
+	bcopy(psargs, pnp->pr_common->prc_proc->p_user.u_psargs, PRARGSZ);
+
+	prunlock(pnp);
+
+	return (0);
+}
+
+int
+pr_write_psinfo(prnode_t *pnp, uio_t *uiop)
+{
+	int error;
+
+	if ((error = pr_write_psinfo_fname(pnp, uiop)) != 0)
+		return (error);
+
+	if ((error = pr_write_psinfo_psargs(pnp, uiop)) != 0)
+		return (error);
+
+	return (0);
+}
+
+
 /* ARGSUSED */
 static int
 prwrite(vnode_t *vp, uio_t *uiop, int ioflag, cred_t *cr, caller_context_t *ct)
@@ -2764,6 +2906,9 @@ prwrite(vnode_t *vp, uio_t *uiop, int ioflag, cred_t *cr, caller_context_t *ct)
 			uiop->uio_resid = resid;
 		return (error);
 
+	case PR_PSINFO:
+		return (pr_write_psinfo(pnp, uiop));
+
 	default:
 		return ((vp->v_type == VDIR)? EISDIR : EBADF);
 	}
@@ -3047,6 +3192,13 @@ prgetattr(vnode_t *vp, vattr_t *vap, int flags, cred_t *cr,
 	case PR_AUXV:
 		vap->va_size = __KERN_NAUXV_IMPL * PR_OBJSIZE(auxv32_t, auxv_t);
 		break;
+	case PR_ARGV:
+		if ((p->p_flag & SSYS) || p->p_as == &kas) {
+			vap->va_size = PSARGSZ;
+		} else {
+			vap->va_size = prmaxargvlen;
+		}
+		break;
 #if defined(__x86)
 	case PR_LDT:
 		mutex_exit(&p->p_lock);
@@ -3222,6 +3374,7 @@ praccess(vnode_t *vp, int mode, int flags, cred_t *cr, caller_context_t *ct)
 	case PR_USAGE:
 	case PR_LUSAGE:
 	case PR_LWPUSAGE:
+	case PR_ARGV:
 		p = pr_p_lock(pnp);
 		mutex_exit(&pr_pidlock);
 		if (p == NULL)
@@ -3307,6 +3460,7 @@ static vnode_t *(*pr_lookup_function[PR_NFILES])() = {
 #if defined(__x86)
 	pr_lookup_notdir,	/* /proc/<pid>/ldt			*/
 #endif
+	pr_lookup_notdir,	/* /proc/<pid>/argv			*/
 	pr_lookup_notdir,	/* /proc/<pid>/usage			*/
 	pr_lookup_notdir,	/* /proc/<pid>/lusage			*/
 	pr_lookup_notdir,	/* /proc/<pid>/pagedata			*/
@@ -4546,11 +4700,15 @@ prgetnode(vnode_t *dp, prnodetype_t type)
 		break;
 
 	case PR_PSINFO:
+		pnp->pr_mode = 0644;	/* readable by all + owner can write */
+		break;
+
 	case PR_LPSINFO:
 	case PR_LWPSINFO:
 	case PR_USAGE:
 	case PR_LUSAGE:
 	case PR_LWPUSAGE:
+	case PR_ARGV:
 		pnp->pr_mode = 0444;	/* read-only by all */
 		break;
 
@@ -4656,6 +4814,7 @@ static int (*pr_readdir_function[PR_NFILES])() = {
 #if defined(__x86)
 	pr_readdir_notdir,	/* /proc/<pid>/ldt			*/
 #endif
+	pr_readdir_notdir,	/* /proc/<pid>/argv			*/
 	pr_readdir_notdir,	/* /proc/<pid>/usage			*/
 	pr_readdir_notdir,	/* /proc/<pid>/lusage			*/
 	pr_readdir_notdir,	/* /proc/<pid>/pagedata			*/
@@ -4805,6 +4964,7 @@ pr_readdir_piddir(prnode_t *pnp, uio_t *uiop, int *eofp)
 			case PR_PROCDIR:
 			case PR_PSINFO:
 			case PR_USAGE:
+			case PR_ARGV:
 				break;
 			default:
 				continue;
@@ -6010,7 +6170,7 @@ prpoll(vnode_t *vp, short events, int anyyet, short *reventsp,
 	}
 
 	*reventsp = revents;
-	if (!anyyet && revents == 0) {
+	if ((!anyyet && revents == 0) || (events & POLLET)) {
 		/*
 		 * Arrange to wake up the polling lwp when
 		 * the target process/lwp stops or terminates
diff --git a/usr/src/uts/common/fs/sockfs/sockcommon.c b/usr/src/uts/common/fs/sockfs/sockcommon.c
index 703e26ea61..682f1d867b 100644
--- a/usr/src/uts/common/fs/sockfs/sockcommon.c
+++ b/usr/src/uts/common/fs/sockfs/sockcommon.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #include <sys/types.h>
@@ -501,6 +502,9 @@ sonode_constructor(void *buf, void *cdrarg, int kmflags)
 	cv_init(&so->so_copy_cv, NULL, CV_DEFAULT, NULL);
 	cv_init(&so->so_closing_cv, NULL, CV_DEFAULT, NULL);
 
+	so->so_krecv_cb = NULL;
+	so->so_krecv_arg = NULL;
+
 	return (0);
 }
 
@@ -654,6 +658,10 @@ sonode_fini(struct sonode *so)
 	if (so->so_filter_top != NULL)
 		sof_sonode_cleanup(so);
 
+	/* Clean up any remnants of krecv callbacks */
+	so->so_krecv_cb = NULL;
+	so->so_krecv_arg = NULL;
+
 	ASSERT(list_is_empty(&so->so_acceptq_list));
 	ASSERT(list_is_empty(&so->so_acceptq_defer));
 	ASSERT(!list_link_active(&so->so_acceptq_node));
diff --git a/usr/src/uts/common/fs/sockfs/sockcommon_sops.c b/usr/src/uts/common/fs/sockfs/sockcommon_sops.c
index 0be628f329..40c368736d 100644
--- a/usr/src/uts/common/fs/sockfs/sockcommon_sops.c
+++ b/usr/src/uts/common/fs/sockfs/sockcommon_sops.c
@@ -24,7 +24,7 @@
  */
 
 /*
- * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc.  All rights reserved.
  */
 
 #include <sys/types.h>
@@ -128,7 +128,7 @@ so_bind(struct sonode *so, struct sockaddr *name, socklen_t namelen,
 {
 	int error;
 
-	SO_BLOCK_FALLBACK(so, SOP_BIND(so, name, namelen, flags, cr));
+	SO_BLOCK_FALLBACK_SAFE(so, SOP_BIND(so, name, namelen, flags, cr));
 
 	ASSERT(flags == _SOBIND_XPG4_2 || flags == _SOBIND_SOCKBSD);
 
@@ -586,11 +586,6 @@ so_sendmblk(struct sonode *so, struct nmsghdr *msg, int fflag,
 
 	SO_BLOCK_FALLBACK(so, SOP_SENDMBLK(so, msg, fflag, cr, mpp));
 
-	if ((so->so_mode & SM_SENDFILESUPP) == 0) {
-		SO_UNBLOCK_FALLBACK(so);
-		return (EOPNOTSUPP);
-	}
-
 	error = so_sendmblk_impl(so, msg, fflag, cr, mpp, so->so_filter_top,
 	    B_FALSE);
 
@@ -653,7 +648,7 @@ so_getsockname(struct sonode *so, struct sockaddr *addr,
 {
 	int error;
 
-	SO_BLOCK_FALLBACK(so, SOP_GETSOCKNAME(so, addr, addrlen, cr));
+	SO_BLOCK_FALLBACK_SAFE(so, SOP_GETSOCKNAME(so, addr, addrlen, cr));
 
 	if (so->so_filter_active == 0 ||
 	    (error = sof_filter_getsockname(so, addr, addrlen, cr)) < 0)
@@ -702,7 +697,7 @@ so_getsockopt(struct sonode *so, int level, int option_name,
 	if (level == SOL_FILTER)
 		return (sof_getsockopt(so, option_name, optval, optlenp, cr));
 
-	SO_BLOCK_FALLBACK(so,
+	SO_BLOCK_FALLBACK_SAFE(so,
 	    SOP_GETSOCKOPT(so, level, option_name, optval, optlenp, flags, cr));
 
 	if ((so->so_filter_active == 0 ||
@@ -791,7 +786,7 @@ so_setsockopt(struct sonode *so, int level, int option_name,
 	if (level == SOL_FILTER)
 		return (sof_setsockopt(so, option_name, optval, optlen, cr));
 
-	SO_BLOCK_FALLBACK(so,
+	SO_BLOCK_FALLBACK_SAFE(so,
 	    SOP_SETSOCKOPT(so, level, option_name, optval, optlen, cr));
 
 	/* X/Open requires this check */
@@ -953,6 +948,13 @@ so_poll(struct sonode *so, short events, int anyyet, short *reventsp,
 	if (!list_is_empty(&so->so_acceptq_list))
 		*reventsp |= (POLLIN|POLLRDNORM) & events;
 
+	/*
+	 * If we're looking for POLLRDHUP, indicate it if we have sent the
+	 * last rx signal for the socket.
+	 */
+	if ((events & POLLRDHUP) && (state & SS_SENTLASTREADSIG))
+		*reventsp |= POLLRDHUP;
+
 	/* Data */
 	/* so_downcalls is null for sctp */
 	if (so->so_downcalls != NULL && so->so_downcalls->sd_poll != NULL) {
@@ -988,14 +990,20 @@ so_poll(struct sonode *so, short events, int anyyet, short *reventsp,
 			*reventsp |= POLLHUP;
 	}
 
-	if (!*reventsp && !anyyet) {
+	if ((!*reventsp && !anyyet) || (events & POLLET)) {
 		/* Check for read events again, but this time under lock */
 		if (events & (POLLIN|POLLRDNORM)) {
 			mutex_enter(&so->so_lock);
 			if (SO_HAVE_DATA(so) ||
 			    !list_is_empty(&so->so_acceptq_list)) {
+				if (events & POLLET) {
+					so->so_pollev |= SO_POLLEV_IN;
+					*phpp = &so->so_poll_list;
+				}
+
 				mutex_exit(&so->so_lock);
 				*reventsp |= (POLLIN|POLLRDNORM) & events;
+
 				return (0);
 			} else {
 				so->so_pollev |= SO_POLLEV_IN;
@@ -1316,6 +1324,26 @@ so_queue_msg_impl(struct sonode *so, mblk_t *mp,
 		}
 	}
 
+	mutex_enter(&so->so_lock);
+	if (so->so_krecv_cb != NULL) {
+		boolean_t cont;
+		so_krecv_f func = so->so_krecv_cb;
+		void *arg = so->so_krecv_arg;
+
+		mutex_exit(&so->so_lock);
+		cont = func(so, mp, msg_size, flags & MSG_OOB, arg);
+		mutex_enter(&so->so_lock);
+		if (cont == B_TRUE) {
+			space_left = so->so_rcvbuf;
+		} else {
+			so->so_rcv_queued = so->so_rcvlowat;
+			*errorp = ENOSPC;
+			space_left = -1;
+		}
+		goto done_unlock;
+	}
+	mutex_exit(&so->so_lock);
+
 	if (flags & MSG_OOB) {
 		so_queue_oob(so, mp, msg_size);
 		mutex_enter(&so->so_lock);
@@ -1594,6 +1622,13 @@ so_recvmsg(struct sonode *so, struct nmsghdr *msg, struct uio *uiop,
 		return (ENOTCONN);
 	}
 
+	mutex_enter(&so->so_lock);
+	if (so->so_krecv_cb != NULL) {
+		mutex_exit(&so->so_lock);
+		return (EOPNOTSUPP);
+	}
+	mutex_exit(&so->so_lock);
+
 	if (msg->msg_flags & MSG_PEEK)
 		msg->msg_flags &= ~MSG_WAITALL;
 
diff --git a/usr/src/uts/common/fs/sockfs/sockcommon_subr.c b/usr/src/uts/common/fs/sockfs/sockcommon_subr.c
index 957c8f93b4..9604ea5dba 100644
--- a/usr/src/uts/common/fs/sockfs/sockcommon_subr.c
+++ b/usr/src/uts/common/fs/sockfs/sockcommon_subr.c
@@ -24,6 +24,7 @@
  */
 /*
  * Copyright 2014, OmniTI Computer Consulting, Inc. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #include <sys/types.h>
@@ -2276,9 +2277,9 @@ so_tpi_fallback(struct sonode *so, struct cred *cr)
 	fbfunc = sp->sp_smod_info->smod_proto_fallback_func;
 
 	/*
-	 * Cannot fallback if the socket has active filters
+	 * Cannot fallback if the socket has active filters or a krecv callback.
 	 */
-	if (so->so_filter_active > 0)
+	if (so->so_filter_active > 0 || so->so_krecv_cb != NULL)
 		return (EINVAL);
 
 	switch (so->so_family) {
@@ -2456,3 +2457,50 @@ out:
 
 	return (error);
 }
+
+int
+so_krecv_set(sonode_t *so, so_krecv_f cb, void *arg)
+{
+	int ret;
+
+	if (cb == NULL && arg != NULL)
+		return (EINVAL);
+
+	SO_BLOCK_FALLBACK(so, so_krecv_set(so, cb, arg));
+
+	mutex_enter(&so->so_lock);
+	if (so->so_state & SS_FALLBACK_COMP) {
+		mutex_exit(&so->so_lock);
+		SO_UNBLOCK_FALLBACK(so);
+		return (ENOTSUP);
+	}
+
+	ret = so_lock_read(so, 0);
+	VERIFY(ret == 0);
+	/*
+	 * Other consumers may actually care about getting extant data delivered
+	 * to them, when they come along, they should figure out the best API
+	 * for that.
+	 */
+	so_rcv_flush(so);
+
+	so->so_krecv_cb = cb;
+	so->so_krecv_arg = arg;
+
+	so_unlock_read(so);
+	mutex_exit(&so->so_lock);
+	SO_UNBLOCK_FALLBACK(so);
+
+	return (0);
+}
+
+void
+so_krecv_unblock(sonode_t *so)
+{
+	mutex_enter(&so->so_lock);
+	VERIFY(so->so_krecv_cb != NULL);
+
+	so->so_rcv_queued = 0;
+	(void) so_check_flow_control(so);
+	mutex_exit(&so->so_lock);
+}
diff --git a/usr/src/uts/common/fs/sockfs/sockfilter.c b/usr/src/uts/common/fs/sockfs/sockfilter.c
index 971523945e..7dca6ae6fc 100644
--- a/usr/src/uts/common/fs/sockfs/sockfilter.c
+++ b/usr/src/uts/common/fs/sockfs/sockfilter.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #include <sys/systm.h>
@@ -246,6 +247,18 @@ sof_setsockopt_impl(struct sonode *so, int option_name,
 
 		/* Module loaded OK, so there must be an ops vector */
 		ASSERT(ent->sofe_mod != NULL);
+
+		/*
+		 * Check again to confirm ATTACH is ok. See if the the module
+		 * is not SOF_ATT_SAFE after an unsafe operation has taken
+		 * place.
+		 */
+		if ((ent->sofe_mod->sofm_flags & SOF_ATT_SAFE) == 0 &&
+		    so->so_state & SS_FILOP_UNSF) {
+			sof_instance_destroy(inst);
+			return (EINVAL);
+		}
+
 		inst->sofi_ops = &ent->sofe_mod->sofm_ops;
 
 		SOF_STAT_ADD(inst, tot_active_attach, 1);
@@ -1444,7 +1457,13 @@ sof_filter_ioctl(struct sonode *so, int cmd, intptr_t arg, int mode,
  * sof_register(version, name, ops, flags)
  *
  * Register a socket filter identified by name `name' and which should use
- * the ops vector `ops' for event notification. `flags' should be set to 0.
+ * the ops vector `ops' for event notification. `flags' should be set to 0
+ * by default for "unsafe" modules or SOF_ATT_SAFE for "safe" modules. An
+ * unsafe filter is one that cannot be attached after any socket operation has
+ * occured. This is the legacy default. A "safe" filter can be attached even
+ * after some basic initial socket operations have taken place. This set is
+ * currently bind, getsockname, getsockopt and setsockopt. The order in which
+ * a "safe" filter can be attached is more relaxed, and thus more flexible.
  * On success 0 is returned, otherwise an errno is returned.
  */
 int
@@ -1452,14 +1471,13 @@ sof_register(int version, const char *name, const sof_ops_t *ops, int flags)
 {
 	sof_module_t *mod;
 
-	_NOTE(ARGUNUSED(flags));
-
 	if (version != SOF_VERSION)
 		return (EINVAL);
 
 	mod = kmem_zalloc(sizeof (sof_module_t), KM_SLEEP);
 	mod->sofm_name = kmem_alloc(strlen(name) + 1, KM_SLEEP);
 	(void) strcpy(mod->sofm_name, name);
+	mod->sofm_flags = flags;
 	mod->sofm_ops = *ops;
 
 	mutex_enter(&sof_module_lock);
diff --git a/usr/src/uts/common/fs/sockfs/sockfilter_impl.h b/usr/src/uts/common/fs/sockfs/sockfilter_impl.h
index 7f7aece1f1..cf2ad8b20d 100644
--- a/usr/src/uts/common/fs/sockfs/sockfilter_impl.h
+++ b/usr/src/uts/common/fs/sockfs/sockfilter_impl.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #ifndef	_SOCKFS_SOCKFILTER_H
@@ -51,6 +52,7 @@ typedef struct sof_kstat	sof_kstat_t;
 
 struct sof_module {
 	char		*sofm_name;
+	int		sofm_flags;
 	sof_ops_t	sofm_ops;
 	uint_t		sofm_refcnt;
 	list_node_t	sofm_node;
diff --git a/usr/src/uts/common/fs/sockfs/socknotify.c b/usr/src/uts/common/fs/sockfs/socknotify.c
index 3d5ba2a7e8..3f858afecc 100644
--- a/usr/src/uts/common/fs/sockfs/socknotify.c
+++ b/usr/src/uts/common/fs/sockfs/socknotify.c
@@ -377,7 +377,7 @@ i_so_notify_last_rx(struct sonode *so, int *pollev, int *sigev)
 		so->so_state |= SS_SENTLASTREADSIG;
 		so->so_pollev &= ~SO_POLLEV_IN;
 
-		*pollev |= POLLIN|POLLRDNORM;
+		*pollev |= POLLIN|POLLRDNORM|POLLRDHUP;
 		*sigev |= SOCKETSIG_READ;
 
 		return (1);
diff --git a/usr/src/uts/common/fs/sockfs/socksubr.c b/usr/src/uts/common/fs/sockfs/socksubr.c
index 06d76044e5..095d84fc42 100644
--- a/usr/src/uts/common/fs/sockfs/socksubr.c
+++ b/usr/src/uts/common/fs/sockfs/socksubr.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 1995, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc. All rights reserved.
  */
 
 #include <sys/types.h>
@@ -1879,7 +1880,7 @@ ssize_t
 soreadfile(file_t *fp, uchar_t *buf, u_offset_t fileoff, int *err, size_t size)
 {
 	struct uio auio;
-	struct iovec aiov[MSG_MAXIOVLEN];
+	struct iovec aiov[1];
 	register vnode_t *vp;
 	int ioflag, rwflag;
 	ssize_t cnt;
diff --git a/usr/src/uts/common/fs/sockfs/socksyscalls.c b/usr/src/uts/common/fs/sockfs/socksyscalls.c
index a86cda937c..067eaedd7c 100644
--- a/usr/src/uts/common/fs/sockfs/socksyscalls.c
+++ b/usr/src/uts/common/fs/sockfs/socksyscalls.c
@@ -21,10 +21,10 @@
 
 /*
  * Copyright (c) 1995, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc.  All rights reserved.
  */
 
-/* Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved. */
-
 #include <sys/types.h>
 #include <sys/t_lock.h>
 #include <sys/param.h>
@@ -51,6 +51,7 @@
 #include <sys/cmn_err.h>
 #include <sys/vmsystm.h>
 #include <sys/policy.h>
+#include <sys/limits.h>
 
 #include <sys/socket.h>
 #include <sys/socketvar.h>
@@ -83,12 +84,6 @@ extern void	nl7c_init(void);
 extern int	sockfs_defer_nl7c_init;
 
 /*
- * Note: DEF_IOV_MAX is defined and used as it is in "fs/vncalls.c"
- *	 as there isn't a formal definition of IOV_MAX ???
- */
-#define	MSG_MAXIOVLEN	16
-
-/*
  * Kernel component of socket creation.
  *
  * The socket library determines which version number to use.
@@ -1023,9 +1018,10 @@ recvmsg(int sock, struct nmsghdr *msg, int flags)
 	STRUCT_HANDLE(nmsghdr, umsgptr);
 	struct nmsghdr lmsg;
 	struct uio auio;
-	struct iovec aiov[MSG_MAXIOVLEN];
+	struct iovec buf[IOV_MAX_STACK], *aiov = buf;
+	ssize_t iovsize = 0;
 	int iovcnt;
-	ssize_t len;
+	ssize_t len, rval;
 	int i;
 	int *flagsp;
 	model_t	model;
@@ -1068,22 +1064,37 @@ recvmsg(int sock, struct nmsghdr *msg, int flags)
 
 	iovcnt = lmsg.msg_iovlen;
 
-	if (iovcnt <= 0 || iovcnt > MSG_MAXIOVLEN) {
+	if (iovcnt <= 0 || iovcnt > IOV_MAX) {
 		return (set_errno(EMSGSIZE));
 	}
 
+	if (iovcnt > IOV_MAX_STACK) {
+		iovsize = iovcnt * sizeof (struct iovec);
+		aiov = kmem_alloc(iovsize, KM_SLEEP);
+	}
+
 #ifdef _SYSCALL32_IMPL
 	/*
 	 * 32-bit callers need to have their iovec expanded, while ensuring
 	 * that they can't move more than 2Gbytes of data in a single call.
 	 */
 	if (model == DATAMODEL_ILP32) {
-		struct iovec32 aiov32[MSG_MAXIOVLEN];
+		struct iovec32 buf32[IOV_MAX_STACK], *aiov32 = buf32;
+		ssize_t iov32size;
 		ssize32_t count32;
 
-		if (copyin((struct iovec32 *)lmsg.msg_iov, aiov32,
-		    iovcnt * sizeof (struct iovec32)))
+		iov32size = iovcnt * sizeof (struct iovec32);
+		if (iovsize != 0)
+			aiov32 = kmem_alloc(iov32size, KM_SLEEP);
+
+		if (copyin((struct iovec32 *)lmsg.msg_iov, aiov32, iov32size)) {
+			if (iovsize != 0) {
+				kmem_free(aiov32, iov32size);
+				kmem_free(aiov, iovsize);
+			}
+
 			return (set_errno(EFAULT));
+		}
 
 		count32 = 0;
 		for (i = 0; i < iovcnt; i++) {
@@ -1091,15 +1102,28 @@ recvmsg(int sock, struct nmsghdr *msg, int flags)
 
 			iovlen32 = aiov32[i].iov_len;
 			count32 += iovlen32;
-			if (iovlen32 < 0 || count32 < 0)
+			if (iovlen32 < 0 || count32 < 0) {
+				if (iovsize != 0) {
+					kmem_free(aiov32, iov32size);
+					kmem_free(aiov, iovsize);
+				}
+
 				return (set_errno(EINVAL));
+			}
+
 			aiov[i].iov_len = iovlen32;
 			aiov[i].iov_base =
 			    (caddr_t)(uintptr_t)aiov32[i].iov_base;
 		}
+
+		if (iovsize != 0)
+			kmem_free(aiov32, iov32size);
 	} else
 #endif /* _SYSCALL32_IMPL */
 	if (copyin(lmsg.msg_iov, aiov, iovcnt * sizeof (struct iovec))) {
+		if (iovsize != 0)
+			kmem_free(aiov, iovsize);
+
 		return (set_errno(EFAULT));
 	}
 	len = 0;
@@ -1107,6 +1131,9 @@ recvmsg(int sock, struct nmsghdr *msg, int flags)
 		ssize_t iovlen = aiov[i].iov_len;
 		len += iovlen;
 		if (iovlen < 0 || len < 0) {
+			if (iovsize != 0)
+				kmem_free(aiov, iovsize);
+
 			return (set_errno(EINVAL));
 		}
 	}
@@ -1121,12 +1148,20 @@ recvmsg(int sock, struct nmsghdr *msg, int flags)
 	    (do_useracc == 0 ||
 	    useracc(lmsg.msg_control, lmsg.msg_controllen,
 	    B_WRITE) != 0)) {
+		if (iovsize != 0)
+			kmem_free(aiov, iovsize);
+
 		return (set_errno(EFAULT));
 	}
 
-	return (recvit(sock, &lmsg, &auio, flags,
+	rval = recvit(sock, &lmsg, &auio, flags,
 	    STRUCT_FADDR(umsgptr, msg_namelen),
-	    STRUCT_FADDR(umsgptr, msg_controllen), flagsp));
+	    STRUCT_FADDR(umsgptr, msg_controllen), flagsp);
+
+	if (iovsize != 0)
+		kmem_free(aiov, iovsize);
+
+	return (rval);
 }
 
 /*
@@ -1264,9 +1299,10 @@ sendmsg(int sock, struct nmsghdr *msg, int flags)
 	struct nmsghdr lmsg;
 	STRUCT_DECL(nmsghdr, u_lmsg);
 	struct uio auio;
-	struct iovec aiov[MSG_MAXIOVLEN];
+	struct iovec buf[IOV_MAX_STACK], *aiov = buf;
+	ssize_t iovsize = 0;
 	int iovcnt;
-	ssize_t len;
+	ssize_t len, rval;
 	int i;
 	model_t	model;
 
@@ -1309,7 +1345,7 @@ sendmsg(int sock, struct nmsghdr *msg, int flags)
 
 	iovcnt = lmsg.msg_iovlen;
 
-	if (iovcnt <= 0 || iovcnt > MSG_MAXIOVLEN) {
+	if (iovcnt <= 0 || iovcnt > IOV_MAX) {
 		/*
 		 * Unless this is XPG 4.2 we allow iovcnt == 0 to
 		 * be compatible with SunOS 4.X and 4.4BSD.
@@ -1318,19 +1354,34 @@ sendmsg(int sock, struct nmsghdr *msg, int flags)
 			return (set_errno(EMSGSIZE));
 	}
 
+	if (iovcnt > IOV_MAX_STACK) {
+		iovsize = iovcnt * sizeof (struct iovec);
+		aiov = kmem_alloc(iovsize, KM_SLEEP);
+	}
+
 #ifdef _SYSCALL32_IMPL
 	/*
 	 * 32-bit callers need to have their iovec expanded, while ensuring
 	 * that they can't move more than 2Gbytes of data in a single call.
 	 */
 	if (model == DATAMODEL_ILP32) {
-		struct iovec32 aiov32[MSG_MAXIOVLEN];
+		struct iovec32 buf32[IOV_MAX_STACK], *aiov32 = buf32;
+		ssize_t iov32size;
 		ssize32_t count32;
 
+		iov32size = iovcnt * sizeof (struct iovec32);
+		if (iovsize != 0)
+			aiov32 = kmem_alloc(iov32size, KM_SLEEP);
+
 		if (iovcnt != 0 &&
-		    copyin((struct iovec32 *)lmsg.msg_iov, aiov32,
-		    iovcnt * sizeof (struct iovec32)))
+		    copyin((struct iovec32 *)lmsg.msg_iov, aiov32, iov32size)) {
+			if (iovsize != 0) {
+				kmem_free(aiov32, iov32size);
+				kmem_free(aiov, iovsize);
+			}
+
 			return (set_errno(EFAULT));
+		}
 
 		count32 = 0;
 		for (i = 0; i < iovcnt; i++) {
@@ -1338,17 +1389,30 @@ sendmsg(int sock, struct nmsghdr *msg, int flags)
 
 			iovlen32 = aiov32[i].iov_len;
 			count32 += iovlen32;
-			if (iovlen32 < 0 || count32 < 0)
+			if (iovlen32 < 0 || count32 < 0) {
+				if (iovsize != 0) {
+					kmem_free(aiov32, iov32size);
+					kmem_free(aiov, iovsize);
+				}
+
 				return (set_errno(EINVAL));
+			}
+
 			aiov[i].iov_len = iovlen32;
 			aiov[i].iov_base =
 			    (caddr_t)(uintptr_t)aiov32[i].iov_base;
 		}
+
+		if (iovsize != 0)
+			kmem_free(aiov32, iov32size);
 	} else
 #endif /* _SYSCALL32_IMPL */
 	if (iovcnt != 0 &&
 	    copyin(lmsg.msg_iov, aiov,
 	    (unsigned)iovcnt * sizeof (struct iovec))) {
+		if (iovsize != 0)
+			kmem_free(aiov, iovsize);
+
 		return (set_errno(EFAULT));
 	}
 	len = 0;
@@ -1356,6 +1420,9 @@ sendmsg(int sock, struct nmsghdr *msg, int flags)
 		ssize_t iovlen = aiov[i].iov_len;
 		len += iovlen;
 		if (iovlen < 0 || len < 0) {
+			if (iovsize != 0)
+				kmem_free(aiov, iovsize);
+
 			return (set_errno(EINVAL));
 		}
 	}
@@ -1366,7 +1433,12 @@ sendmsg(int sock, struct nmsghdr *msg, int flags)
 	auio.uio_segflg = UIO_USERSPACE;
 	auio.uio_limit = 0;
 
-	return (sendit(sock, &lmsg, &auio, flags));
+	rval = sendit(sock, &lmsg, &auio, flags);
+
+	if (iovsize != 0)
+		kmem_free(aiov, iovsize);
+
+	return (rval);
 }
 
 ssize_t
diff --git a/usr/src/uts/common/fs/sockfs/socktpi.c b/usr/src/uts/common/fs/sockfs/socktpi.c
index 582db26448..43bc503ed1 100644
--- a/usr/src/uts/common/fs/sockfs/socktpi.c
+++ b/usr/src/uts/common/fs/sockfs/socktpi.c
@@ -6271,6 +6271,13 @@ sotpi_poll(
 	if (sti->sti_conn_ind_head != NULL)
 		*reventsp |= (POLLIN|POLLRDNORM) & events;
 
+	if (so->so_state & SS_CANTRCVMORE) {
+		*reventsp |= POLLRDHUP & events;
+
+		if (so->so_state & SS_CANTSENDMORE)
+			*reventsp |= POLLHUP;
+	}
+
 	if (so->so_state & SS_OOBPEND)
 		*reventsp |= POLLRDBAND & events;
 
diff --git a/usr/src/uts/common/fs/swapfs/swap_subr.c b/usr/src/uts/common/fs/swapfs/swap_subr.c
index 74c4302da9..a4d983665b 100644
--- a/usr/src/uts/common/fs/swapfs/swap_subr.c
+++ b/usr/src/uts/common/fs/swapfs/swap_subr.c
@@ -110,9 +110,11 @@ swapfs_recalc(pgcnt_t pgs)
 		 * memory that can be used as swap space should do so by
 		 * setting swapfs_desfree at boot time, not swapfs_minfree.
 		 * However, swapfs_minfree is tunable by install as a
-		 * workaround for bugid 1147463.
+		 * workaround for bugid 1147463. Note swapfs_minfree is set
+		 * to 1/8th of memory, but clamped at the limit of 256 MB.
 		 */
-		new_swapfs_minfree = MAX(btopr(2 * 1024 * 1024), pgs >> 3);
+		new_swapfs_minfree = MIN(MAX(btopr(2 * 1024 * 1024), pgs >> 3),
+		    btopr(256 * 1024 * 1024));
 	}
 
 	/*
diff --git a/usr/src/uts/common/fs/tmpfs/tmp_dir.c b/usr/src/uts/common/fs/tmpfs/tmp_dir.c
index f6621c8097..387cc6ae54 100644
--- a/usr/src/uts/common/fs/tmpfs/tmp_dir.c
+++ b/usr/src/uts/common/fs/tmpfs/tmp_dir.c
@@ -516,7 +516,7 @@ tdirdelete(
 	 */
 	namelen = strlen(tpdp->td_name) + 1;
 
-	tmp_memfree(tpdp, sizeof (struct tdirent) + namelen);
+	kmem_free(tpdp, sizeof (struct tdirent) + namelen);
 	dir->tn_size -= (sizeof (struct tdirent) + namelen);
 	dir->tn_dirents--;
 
@@ -549,8 +549,8 @@ tdirinit(
 	ASSERT(RW_WRITE_HELD(&parent->tn_rwlock));
 	ASSERT(dir->tn_type == VDIR);
 
-	dot = tmp_memalloc(sizeof (struct tdirent) + 2, TMP_MUSTHAVE);
-	dotdot = tmp_memalloc(sizeof (struct tdirent) + 3, TMP_MUSTHAVE);
+	dot = kmem_zalloc(sizeof (struct tdirent) + 2, KM_SLEEP);
+	dotdot = kmem_zalloc(sizeof (struct tdirent) + 3, KM_SLEEP);
 
 	/*
 	 * Initialize the entries
@@ -650,7 +650,7 @@ tdirtrunc(struct tmpnode *dir)
 
 		tmpfs_hash_out(tdp);
 
-		tmp_memfree(tdp, sizeof (struct tdirent) + namelen);
+		kmem_free(tdp, sizeof (struct tdirent) + namelen);
 		dir->tn_size -= (sizeof (struct tdirent) + namelen);
 		dir->tn_dirents--;
 	}
@@ -925,7 +925,7 @@ tdiraddentry(
 	 */
 	namelen = strlen(name) + 1;
 	alloc_size = namelen + sizeof (struct tdirent);
-	tdp = tmp_memalloc(alloc_size, 0);
+	tdp = kmem_zalloc(alloc_size, KM_NOSLEEP | KM_NORMALPRI);
 	if (tdp == NULL)
 		return (ENOSPC);
 
@@ -1025,7 +1025,7 @@ tdirmaketnode(
 	    ((va->va_mask & AT_MTIME) && TIMESPEC_OVERFLOW(&va->va_mtime)))
 		return (EOVERFLOW);
 	type = va->va_type;
-	tp = tmp_memalloc(sizeof (struct tmpnode), TMP_MUSTHAVE);
+	tp = kmem_zalloc(sizeof (struct tmpnode), KM_SLEEP);
 	tmpnode_init(tm, tp, va, cred);
 
 	/* setup normal file/dir's extended attribute directory */
diff --git a/usr/src/uts/common/fs/tmpfs/tmp_subr.c b/usr/src/uts/common/fs/tmpfs/tmp_subr.c
index 2e59d28d80..e6e2b392fe 100644
--- a/usr/src/uts/common/fs/tmpfs/tmp_subr.c
+++ b/usr/src/uts/common/fs/tmpfs/tmp_subr.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #include <sys/types.h>
@@ -40,9 +41,19 @@
 #include <sys/policy.h>
 #include <sys/fs/tmp.h>
 #include <sys/fs/tmpnode.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+
+#define	KILOBYTE	1024
+#define	MEGABYTE	(1024 * KILOBYTE)
+#define	GIGABYTE	(1024 * MEGABYTE)
 
 #define	MODESHIFT	3
 
+#define	VALIDMODEBITS	07777
+
+extern pgcnt_t swapfs_minfree;
+
 int
 tmp_taccess(void *vtp, int mode, struct cred *cred)
 {
@@ -71,7 +82,6 @@ tmp_taccess(void *vtp, int mode, struct cred *cred)
  * a plain file and you have write access to that file.
  * Function returns 0 if remove access is granted.
  */
-
 int
 tmp_sticky_remove_access(struct tmpnode *dir, struct tmpnode *entry,
 	struct cred *cr)
@@ -89,111 +99,122 @@ tmp_sticky_remove_access(struct tmpnode *dir, struct tmpnode *entry,
 }
 
 /*
- * Allocate zeroed memory if tmpfs_maxkmem has not been exceeded
- * or the 'musthave' flag is set.  'musthave' allocations should
- * always be subordinate to normal allocations so that tmpfs_maxkmem
- * can't be exceeded by more than a few KB.  Example: when creating
- * a new directory, the tmpnode is a normal allocation; if that
- * succeeds, the dirents for "." and ".." are 'musthave' allocations.
- */
-void *
-tmp_memalloc(size_t size, int musthave)
-{
-	static time_t last_warning;
-	time_t now;
-
-	if (atomic_add_long_nv(&tmp_kmemspace, size) < tmpfs_maxkmem ||
-	    musthave)
-		return (kmem_zalloc(size, KM_SLEEP));
-
-	atomic_add_long(&tmp_kmemspace, -size);
-	now = gethrestime_sec();
-	if (last_warning != now) {
-		last_warning = now;
-		cmn_err(CE_WARN, "tmp_memalloc: tmpfs over memory limit");
-	}
-	return (NULL);
-}
-
-void
-tmp_memfree(void *cp, size_t size)
-{
-	kmem_free(cp, size);
-	atomic_add_long(&tmp_kmemspace, -size);
-}
-
-/*
  * Convert a string containing a number (number of bytes) to a pgcnt_t,
  * containing the corresponding number of pages. On 32-bit kernels, the
  * maximum value encoded in 'str' is PAGESIZE * ULONG_MAX, while the value
  * returned in 'maxpg' is at most ULONG_MAX.
  *
- * If the number is followed by a "k" or "K", the value is converted from
- * kilobytes to bytes.  If it is followed by an "m" or "M" it is converted
- * from megabytes to bytes.  If it is not followed by a character it is
- * assumed to be in bytes. Multiple letter options are allowed, so for instance
- * '2mk' is interpreted as 2gb.
+ * The number may be followed by a magnitude suffix: "k" or "K" for kilobytes;
+ * "m" or "M" for megabytes; "g" or "G" for gigabytes.  This interface allows
+ * for an arguably esoteric interpretation of multiple suffix characters:
+ * namely, they cascade.  For example, the caller may specify "2mk", which is
+ * interpreted as 2 gigabytes.  It would seem, at this late stage, that the
+ * horse has left not only the barn but indeed the country, and possibly the
+ * entire planetary system. Alternatively, the number may be followed by a
+ * single '%' sign, indicating the size is a percentage of either the zone's
+ * swap limit or the system's overall swap size.
  *
  * Parse and overflow errors are detected and a non-zero number returned on
  * error.
  */
-
 int
 tmp_convnum(char *str, pgcnt_t *maxpg)
 {
-	uint64_t num = 0, oldnum;
+	u_longlong_t num = 0;
 #ifdef _LP64
-	uint64_t max_bytes = ULONG_MAX;
+	u_longlong_t max_bytes = ULONG_MAX;
 #else
-	uint64_t max_bytes = PAGESIZE * (uint64_t)ULONG_MAX;
+	u_longlong_t max_bytes = PAGESIZE * (uint64_t)ULONG_MAX;
 #endif
 	char *c;
-
-	if (str == NULL)
+	const struct convchar {
+		char *cc_char;
+		uint64_t cc_factor;
+	} convchars[] = {
+		{ "kK", KILOBYTE },
+		{ "mM", MEGABYTE },
+		{ "gG", GIGABYTE },
+		{ NULL, 0 }
+	};
+
+	if (str == NULL) {
 		return (EINVAL);
+	}
 	c = str;
 
 	/*
-	 * Convert str to number
+	 * Convert the initial numeric portion of the input string.
 	 */
-	while ((*c >= '0') && (*c <= '9')) {
-		oldnum = num;
-		num = num * 10 + (*c++ - '0');
-		if (oldnum > num) /* overflow */
+	if (ddi_strtoull(str, &c, 10, &num) != 0) {
+		return (EINVAL);
+	}
+
+	/*
+	 * Handle a size in percent. Anything other than a single percent
+	 * modifier is invalid. We use either the zone's swap limit or the
+	 * system's total available swap size as the initial value. Perform the
+	 * intermediate calculation in pages to avoid overflow.
+	 */
+	if (*c == '\%') {
+		u_longlong_t cap;
+
+		if (*(c + 1) != '\0')
+			return (EINVAL);
+
+		if (num > 100)
 			return (EINVAL);
+
+		cap = (u_longlong_t)curproc->p_zone->zone_max_swap_ctl;
+		if (cap == UINT64_MAX) {
+			/*
+			 * Use the amount of available physical and memory swap
+			 */
+			mutex_enter(&anoninfo_lock);
+			cap = TOTAL_AVAILABLE_SWAP;
+			mutex_exit(&anoninfo_lock);
+		} else {
+			cap = btop(cap);
+		}
+
+		num = ptob(cap * num / 100);
+		goto done;
 	}
 
 	/*
-	 * Terminate on null
+	 * Apply the (potentially cascading) magnitude suffixes until an
+	 * invalid character is found, or the string comes to an end.
 	 */
-	while (*c != '\0') {
-		switch (*c++) {
+	for (; *c != '\0'; c++) {
+		int i;
+
+		for (i = 0; convchars[i].cc_char != NULL; i++) {
+			/*
+			 * Check if this character matches this multiplier
+			 * class:
+			 */
+			if (strchr(convchars[i].cc_char, *c) != NULL) {
+				/*
+				 * Check for overflow:
+				 */
+				if (num > max_bytes / convchars[i].cc_factor) {
+					return (EINVAL);
+				}
+
+				num *= convchars[i].cc_factor;
+				goto valid_char;
+			}
+		}
 
 		/*
-		 * convert from kilobytes
+		 * This was not a valid multiplier suffix character.
 		 */
-		case 'k':
-		case 'K':
-			if (num > max_bytes / 1024) /* will overflow */
-				return (EINVAL);
-			num *= 1024;
-			break;
+		return (EINVAL);
 
-		/*
-		 * convert from megabytes
-		 */
-		case 'm':
-		case 'M':
-			if (num > max_bytes / (1024 * 1024)) /* will overflow */
-				return (EINVAL);
-			num *= 1024 * 1024;
-			break;
-
-		default:
-			return (EINVAL);
-		}
+valid_char:
+		continue;
 	}
 
+done:
 	/*
 	 * Since btopr() rounds up to page granularity, this round-up can
 	 * cause an overflow only if 'num' is between (max_bytes - PAGESIZE)
@@ -204,3 +225,29 @@ tmp_convnum(char *str, pgcnt_t *maxpg)
 		return (EINVAL);
 	return (0);
 }
+
+/*
+ * Parse an octal mode string for use as the permissions set for the root
+ * of the tmpfs mount.
+ */
+int
+tmp_convmode(char *str, mode_t *mode)
+{
+	ulong_t num;
+	char *c;
+
+	if (str == NULL) {
+		return (EINVAL);
+	}
+
+	if (ddi_strtoul(str, &c, 8, &num) != 0) {
+		return (EINVAL);
+	}
+
+	if ((num & ~VALIDMODEBITS) != 0) {
+		return (EINVAL);
+	}
+
+	*mode = VALIDMODEBITS & num;
+	return (0);
+}
diff --git a/usr/src/uts/common/fs/tmpfs/tmp_vfsops.c b/usr/src/uts/common/fs/tmpfs/tmp_vfsops.c
index f8a36a528f..3c088c442c 100644
--- a/usr/src/uts/common/fs/tmpfs/tmp_vfsops.c
+++ b/usr/src/uts/common/fs/tmpfs/tmp_vfsops.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #include <sys/types.h>
@@ -55,6 +56,15 @@
 static int tmpfsfstype;
 
 /*
+ * tmpfs_mountcount is used to prevent module unloads while there is still
+ * state from a former mount hanging around. With forced umount support, the
+ * filesystem module must not be allowed to go away before the last
+ * VFS_FREEVFS() call has been made. Since this is just an atomic counter,
+ * there's no need for locking.
+ */
+static uint32_t	tmpfs_mountcount;
+
+/*
  * tmpfs vfs operations.
  */
 static int tmpfsinit(int, char *);
@@ -64,6 +74,7 @@ static int tmp_unmount(struct vfs *, int, struct cred *);
 static int tmp_root(struct vfs *, struct vnode **);
 static int tmp_statvfs(struct vfs *, struct statvfs64 *);
 static int tmp_vget(struct vfs *, struct vnode **, struct fid *);
+static void tmp_freevfs(vfs_t *vfsp);
 
 /*
  * Loadable module wrapper
@@ -76,7 +87,7 @@ static vfsdef_t vfw = {
 	VFSDEF_VERSION,
 	"tmpfs",
 	tmpfsinit,
-	VSW_HASPROTO|VSW_STATS|VSW_ZMOUNT,
+	VSW_HASPROTO|VSW_CANREMOUNT|VSW_STATS|VSW_ZMOUNT,
 	&tmpfs_proto_opttbl
 };
 
@@ -90,7 +101,8 @@ static mntopt_t tmpfs_options[] = {
 	/* Option name		Cancel Opt	Arg	Flags		Data */
 	{ MNTOPT_XATTR,		xattr_cancel,	NULL,	MO_DEFAULT,	NULL},
 	{ MNTOPT_NOXATTR,	noxattr_cancel,	NULL,	NULL,		NULL},
-	{ "size",		NULL,		"0",	MO_HASVALUE,	NULL}
+	{ "size",		NULL,		"0",	MO_HASVALUE,	NULL},
+	{ "mode",		NULL,		NULL,	MO_HASVALUE,	NULL}
 };
 
 
@@ -121,6 +133,14 @@ _fini()
 {
 	int error;
 
+	/*
+	 * If a forceably unmounted instance is still hanging around, we cannot
+	 * allow the module to be unloaded because that would cause panics once
+	 * the VFS framework decides it's time to call into VFS_FREEVFS().
+	 */
+	if (tmpfs_mountcount)
+		return (EBUSY);
+
 	error = mod_remove(&modlinkage);
 	if (error)
 		return (error);
@@ -139,14 +159,6 @@ _info(struct modinfo *modinfop)
 }
 
 /*
- * The following are patchable variables limiting the amount of system
- * resources tmpfs can use.
- *
- * tmpfs_maxkmem limits the amount of kernel kmem_alloc memory
- * tmpfs can use for it's data structures (e.g. tmpnodes, directory entries)
- * It is not determined by setting a hard limit but rather as a percentage of
- * physical memory which is determined when tmpfs is first used in the system.
- *
  * tmpfs_minfree is the minimum amount of swap space that tmpfs leaves for
  * the rest of the system.  In other words, if the amount of free swap space
  * in the system (i.e. anoninfo.ani_free) drops below tmpfs_minfree, tmpfs
@@ -155,9 +167,7 @@ _info(struct modinfo *modinfop)
  * There is also a per mount limit on the amount of swap space
  * (tmount.tm_anonmax) settable via a mount option.
  */
-size_t tmpfs_maxkmem = 0;
 size_t tmpfs_minfree = 0;
-size_t tmp_kmemspace;		/* bytes of kernel heap used by all tmpfs */
 
 static major_t tmpfs_major;
 static minor_t tmpfs_minor;
@@ -176,6 +186,7 @@ tmpfsinit(int fstype, char *name)
 		VFSNAME_ROOT,		{ .vfs_root = tmp_root },
 		VFSNAME_STATVFS,	{ .vfs_statvfs = tmp_statvfs },
 		VFSNAME_VGET,		{ .vfs_vget = tmp_vget },
+		VFSNAME_FREEVFS,	{ .vfs_freevfs = tmp_freevfs },
 		NULL,			NULL
 	};
 	int error;
@@ -210,27 +221,17 @@ tmpfsinit(int fstype, char *name)
 		tmpfs_minfree = btopr(TMPMINFREE);
 	}
 
-	/*
-	 * The maximum amount of space tmpfs can allocate is
-	 * TMPMAXPROCKMEM percent of kernel memory
-	 */
-	if (tmpfs_maxkmem == 0)
-		tmpfs_maxkmem = MAX(PAGESIZE, kmem_maxavail() / TMPMAXFRACKMEM);
-
 	if ((tmpfs_major = getudev()) == (major_t)-1) {
 		cmn_err(CE_WARN, "tmpfsinit: Can't get unique device number.");
 		tmpfs_major = 0;
 	}
 	mutex_init(&tmpfs_minor_lock, NULL, MUTEX_DEFAULT, NULL);
+	tmpfs_mountcount = 0;
 	return (0);
 }
 
 static int
-tmp_mount(
-	struct vfs *vfsp,
-	struct vnode *mvp,
-	struct mounta *uap,
-	struct cred *cr)
+tmp_mount(vfs_t *vfsp, vnode_t *mvp, struct mounta *uap, cred_t *cr)
 {
 	struct tmount *tm = NULL;
 	struct tmpnode *tp;
@@ -239,8 +240,9 @@ tmp_mount(
 	pgcnt_t anonmax;
 	struct vattr rattr;
 	int got_attrs;
-
-	char *sizestr;
+	boolean_t mode_arg = B_FALSE;
+	mode_t root_mode = 0777;
+	char *argstr;
 
 	if ((error = secpolicy_fs_mount(cr, mvp, vfsp)) != 0)
 		return (error);
@@ -249,7 +251,7 @@ tmp_mount(
 		return (ENOTDIR);
 
 	mutex_enter(&mvp->v_lock);
-	if ((uap->flags & MS_OVERLAY) == 0 &&
+	if ((uap->flags & MS_REMOUNT) == 0 && (uap->flags & MS_OVERLAY) == 0 &&
 	    (mvp->v_count != 1 || (mvp->v_flag & VROOT))) {
 		mutex_exit(&mvp->v_lock);
 		return (EBUSY);
@@ -275,18 +277,45 @@ tmp_mount(
 	 * tm_anonmax is set according to the mount arguments
 	 * if any.  Otherwise, it is set to a maximum value.
 	 */
-	if (vfs_optionisset(vfsp, "size", &sizestr)) {
-		if ((error = tmp_convnum(sizestr, &anonmax)) != 0)
+	if (vfs_optionisset(vfsp, "size", &argstr)) {
+		if ((error = tmp_convnum(argstr, &anonmax)) != 0)
 			goto out;
 	} else {
 		anonmax = ULONG_MAX;
 	}
 
+	/*
+	 * The "mode" mount argument allows the operator to override the
+	 * permissions of the root of the tmpfs mount.
+	 */
+	if (vfs_optionisset(vfsp, "mode", &argstr)) {
+		if ((error = tmp_convmode(argstr, &root_mode)) != 0) {
+			goto out;
+		}
+		mode_arg = B_TRUE;
+	}
+
 	if (error = pn_get(uap->dir,
 	    (uap->flags & MS_SYSSPACE) ? UIO_SYSSPACE : UIO_USERSPACE, &dpn))
 		goto out;
 
-	if ((tm = tmp_memalloc(sizeof (struct tmount), 0)) == NULL) {
+	if (uap->flags & MS_REMOUNT) {
+		tm = (struct tmount *)VFSTOTM(vfsp);
+
+		/*
+		 * If we change the size so its less than what is currently
+		 * being used, we allow that. The file system will simply be
+		 * full until enough files have been removed to get below the
+		 * new max.
+		 */
+		mutex_enter(&tm->tm_contents);
+		tm->tm_anonmax = anonmax;
+		mutex_exit(&tm->tm_contents);
+		goto out;
+	}
+
+	if ((tm = kmem_zalloc(sizeof (struct tmount),
+	    KM_NOSLEEP | KM_NORMALPRI)) == NULL) {
 		pn_free(&dpn);
 		error = ENOMEM;
 		goto out;
@@ -318,17 +347,17 @@ tmp_mount(
 	vfsp->vfs_bsize = PAGESIZE;
 	vfsp->vfs_flag |= VFS_NOTRUNC;
 	vfs_make_fsid(&vfsp->vfs_fsid, tm->tm_dev, tmpfsfstype);
-	tm->tm_mntpath = tmp_memalloc(dpn.pn_pathlen + 1, TMP_MUSTHAVE);
+	tm->tm_mntpath = kmem_zalloc(dpn.pn_pathlen + 1, KM_SLEEP);
 	(void) strcpy(tm->tm_mntpath, dpn.pn_path);
 
 	/*
 	 * allocate and initialize root tmpnode structure
 	 */
 	bzero(&rattr, sizeof (struct vattr));
-	rattr.va_mode = (mode_t)(S_IFDIR | 0777);	/* XXX modes */
+	rattr.va_mode = (mode_t)(S_IFDIR | root_mode);
 	rattr.va_type = VDIR;
 	rattr.va_rdev = 0;
-	tp = tmp_memalloc(sizeof (struct tmpnode), TMP_MUSTHAVE);
+	tp = kmem_zalloc(sizeof (struct tmpnode), KM_SLEEP);
 	tmpnode_init(tm, tp, &rattr, cr);
 
 	/*
@@ -345,7 +374,14 @@ tmp_mount(
 	 * the previously set hardwired defaults to prevail.
 	 */
 	if (got_attrs == 0) {
-		tp->tn_mode = rattr.va_mode;
+		if (!mode_arg) {
+			/*
+			 * Only use the underlying mount point for the
+			 * mode if the "mode" mount argument was not
+			 * provided.
+			 */
+			tp->tn_mode = rattr.va_mode;
+		}
 		tp->tn_uid = rattr.va_uid;
 		tp->tn_gid = rattr.va_gid;
 	}
@@ -366,6 +402,7 @@ tmp_mount(
 
 	pn_free(&dpn);
 	error = 0;
+	atomic_inc_32(&tmpfs_mountcount);
 
 out:
 	if (error == 0)
@@ -381,36 +418,107 @@ tmp_unmount(struct vfs *vfsp, int flag, struct cred *cr)
 	struct tmpnode *tnp, *cancel;
 	struct vnode	*vp;
 	int error;
+	uint_t cnt;
+	int i;
 
 	if ((error = secpolicy_fs_unmount(cr, vfsp)) != 0)
 		return (error);
 
-	/*
-	 * forced unmount is not supported by this file system
-	 * and thus, ENOTSUP, is being returned.
-	 */
-	if (flag & MS_FORCE)
-		return (ENOTSUP);
-
 	mutex_enter(&tm->tm_contents);
 
 	/*
-	 * If there are no open files, only the root node should have
-	 * a reference count.
+	 * In the normal unmount case (non-forced unmount), if there are no
+	 * open files, only the root node should have a reference count.
+	 *
 	 * With tm_contents held, nothing can be added or removed.
 	 * There may be some dirty pages.  To prevent fsflush from
 	 * disrupting the unmount, put a hold on each node while scanning.
 	 * If we find a previously referenced node, undo the holds we have
 	 * placed and fail EBUSY.
+	 *
+	 * However, in the case of a forced umount, things are a bit different.
+	 * An additional VFS_HOLD is added for each outstanding VN_HOLD to
+	 * ensure that the file system is not cleaned up (tmp_freevfs) until
+	 * the last vfs hold is dropped. This happens in tmp_inactive as the
+	 * vnodes are released. Also, we can't add an additional VN_HOLD in
+	 * this case since that would prevent tmp_inactive from ever being
+	 * called. Finally, we do need to drop the zone ref now (zone_rele_ref)
+	 * so that the zone is not blocked waiting for the final file system
+	 * cleanup.
 	 */
 	tnp = tm->tm_rootnode;
-	if (TNTOV(tnp)->v_count > 1) {
+
+	vp = TNTOV(tnp);
+	mutex_enter(&vp->v_lock);
+	cnt = vp->v_count;
+	if (flag & MS_FORCE) {
+		vfsp->vfs_flag |= VFS_UNMOUNTED;
+		/* Extra hold which we rele below when we drop the zone ref */
+		VFS_HOLD(vfsp);
+
+		for (i = 1; i < cnt; i++)
+			VFS_HOLD(vfsp);
+
+		/* drop the mutex now because no one can find this mount */
+		mutex_exit(&tm->tm_contents);
+	} else if (cnt > 1) {
+		mutex_exit(&vp->v_lock);
 		mutex_exit(&tm->tm_contents);
 		return (EBUSY);
 	}
+	mutex_exit(&vp->v_lock);
 
+	/*
+	 * Check for open files. An open file causes everything to unwind
+	 * unless this is a forced umount.
+	 */
 	for (tnp = tnp->tn_forw; tnp; tnp = tnp->tn_forw) {
-		if ((vp = TNTOV(tnp))->v_count > 0) {
+		vp = TNTOV(tnp);
+		mutex_enter(&vp->v_lock);
+		cnt = vp->v_count;
+		if (flag & MS_FORCE) {
+			for (i = 0; i < cnt; i++)
+				VFS_HOLD(vfsp);
+
+			/*
+			 * In the case of a forced umount don't add an
+			 * additional VN_HOLD on the already held vnodes, like
+			 * we do in the non-forced unmount case. If the
+			 * cnt > 0, then the vnode already has at least one
+			 * hold and we need tmp_inactive to get called when the
+			 * last pre-existing hold on the node is released so
+			 * that we can VFS_RELE the VFS holds we just added.
+			 */
+			if (cnt == 0) {
+				/* directly add VN_HOLD since have the lock */
+				vp->v_count++;
+			}
+
+			mutex_exit(&vp->v_lock);
+
+			/*
+			 * If the tmpnode has any pages associated with it
+			 * (i.e. if it's a normal file with non-zero size), the
+			 * tmpnode could still be discovered by pageout or
+			 * fsflush via the page vnode pointers. To prevent this
+			 * from interfering with the tmp_freevfs, truncate the
+			 * tmpnode now.
+			 */
+			if (tnp->tn_size != 0 && tnp->tn_type == VREG) {
+				rw_enter(&tnp->tn_rwlock, RW_WRITER);
+				rw_enter(&tnp->tn_contents, RW_WRITER);
+
+				(void) tmpnode_trunc(tm, tnp, 0);
+
+				rw_exit(&tnp->tn_contents);
+				rw_exit(&tnp->tn_rwlock);
+
+				ASSERT(tnp->tn_size == 0);
+				ASSERT(tnp->tn_nblocks == 0);
+			}
+		} else if (cnt > 0) {
+			/* An open file; unwind the holds we've been adding. */
+			mutex_exit(&vp->v_lock);
 			cancel = tm->tm_rootnode->tn_forw;
 			while (cancel != tnp) {
 				vp = TNTOV(cancel);
@@ -420,14 +528,50 @@ tmp_unmount(struct vfs *vfsp, int flag, struct cred *cr)
 			}
 			mutex_exit(&tm->tm_contents);
 			return (EBUSY);
+		} else {
+			/* directly add a VN_HOLD since we have the lock */
+			vp->v_count++;
+			mutex_exit(&vp->v_lock);
 		}
-		VN_HOLD(vp);
 	}
 
-	/*
-	 * We can drop the mutex now because no one can find this mount
-	 */
-	mutex_exit(&tm->tm_contents);
+	if (flag & MS_FORCE) {
+		/*
+		 * Drop the zone ref now since we don't know how long it will
+		 * be until the final vfs_rele is called by tmp_inactive.
+		 */
+		if (vfsp->vfs_zone) {
+			zone_rele_ref(&vfsp->vfs_implp->vi_zone_ref,
+			    ZONE_REF_VFS);
+			vfsp->vfs_zone = 0;
+		}
+		/* We can now drop the extra hold we added above. */
+		VFS_RELE(vfsp);
+	} else {
+		/*
+		 * For the non-forced case, we can drop the mutex now because
+		 * no one can find this mount anymore
+		 */
+		vfsp->vfs_flag |= VFS_UNMOUNTED;
+		mutex_exit(&tm->tm_contents);
+	}
+
+	return (0);
+}
+
+/*
+ * Implementation of VFS_FREEVFS() to support forced umounts. This is called by
+ * the vfs framework after umount and the last VFS_RELE, to trigger the release
+ * of any resources still associated with the given vfs_t. We only add
+ * additional VFS_HOLDs during the forced umount case, so this is normally
+ * called immediately after tmp_umount.
+ */
+void
+tmp_freevfs(vfs_t *vfsp)
+{
+	struct tmount *tm = (struct tmount *)VFSTOTM(vfsp);
+	struct tmpnode *tnp;
+	struct vnode	*vp;
 
 	/*
 	 * Free all kmemalloc'd and anonalloc'd memory associated with
@@ -437,6 +581,16 @@ tmp_unmount(struct vfs *vfsp, int flag, struct cred *cr)
 	 * tmpnode_free which assumes that the directory entry has been
 	 * removed before the file.
 	 */
+
+	/*
+	 * Now that we are tearing ourselves down we need to remove the
+	 * UNMOUNTED flag. If we don't, we'll later hit a VN_RELE when we remove
+	 * files from the system causing us to have a negative value. Doing this
+	 * seems a bit better than trying to set a flag on the tmount that says
+	 * we're tearing down.
+	 */
+	vfsp->vfs_flag &= ~VFS_UNMOUNTED;
+
 	/*
 	 * Remove all directory entries
 	 */
@@ -503,15 +657,16 @@ tmp_unmount(struct vfs *vfsp, int flag, struct cred *cr)
 
 	ASSERT(tm->tm_mntpath);
 
-	tmp_memfree(tm->tm_mntpath, strlen(tm->tm_mntpath) + 1);
+	kmem_free(tm->tm_mntpath, strlen(tm->tm_mntpath) + 1);
 
 	ASSERT(tm->tm_anonmem == 0);
 
 	mutex_destroy(&tm->tm_contents);
 	mutex_destroy(&tm->tm_renamelck);
-	tmp_memfree(tm, sizeof (struct tmount));
+	kmem_free(tm, sizeof (struct tmount));
 
-	return (0);
+	/* Allow _fini() to succeed now */
+	atomic_dec_32(&tmpfs_mountcount);
 }
 
 /*
@@ -614,13 +769,7 @@ tmp_statvfs(struct vfs *vfsp, struct statvfs64 *sbp)
 	 * available to tmpfs.  This is fairly inaccurate since it doesn't
 	 * take into account the names stored in the directory entries.
 	 */
-	if (tmpfs_maxkmem > tmp_kmemspace)
-		sbp->f_ffree = (tmpfs_maxkmem - tmp_kmemspace) /
-		    (sizeof (struct tmpnode) + sizeof (struct tdirent));
-	else
-		sbp->f_ffree = 0;
-
-	sbp->f_files = tmpfs_maxkmem /
+	sbp->f_ffree = sbp->f_files = ptob(availrmem) /
 	    (sizeof (struct tmpnode) + sizeof (struct tdirent));
 	sbp->f_favail = (fsfilcnt64_t)(sbp->f_ffree);
 	(void) cmpldev(&d32, vfsp->vfs_dev);
diff --git a/usr/src/uts/common/fs/tmpfs/tmp_vnops.c b/usr/src/uts/common/fs/tmpfs/tmp_vnops.c
index 61607a6dcc..464d638db0 100644
--- a/usr/src/uts/common/fs/tmpfs/tmp_vnops.c
+++ b/usr/src/uts/common/fs/tmpfs/tmp_vnops.c
@@ -25,7 +25,7 @@
  */
 
 /*
- * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
  */
 
@@ -584,6 +584,10 @@ tmp_read(struct vnode *vp, struct uio *uiop, int ioflag, cred_t *cred,
 	struct tmount *tm = (struct tmount *)VTOTM(vp);
 	int error;
 
+	/* If the filesystem was umounted by force, return immediately. */
+	if (vp->v_vfsp->vfs_flag & VFS_UNMOUNTED)
+		return (EIO);
+
 	/*
 	 * We don't currently support reading non-regular files
 	 */
@@ -613,6 +617,10 @@ tmp_write(struct vnode *vp, struct uio *uiop, int ioflag, struct cred *cred,
 	struct tmount *tm = (struct tmount *)VTOTM(vp);
 	int error;
 
+	/* If the filesystem was umounted by force, return immediately. */
+	if (vp->v_vfsp->vfs_flag & VFS_UNMOUNTED)
+		return (EIO);
+
 	/*
 	 * We don't currently support writing to non-regular files
 	 */
@@ -833,6 +841,9 @@ tmp_lookup(
 	struct tmpnode *ntp = NULL;
 	int error;
 
+	/* If the filesystem was umounted by force, return immediately. */
+	if (dvp->v_vfsp->vfs_flag & VFS_UNMOUNTED)
+		return (EIO);
 
 	/* allow cd into @ dir */
 	if (flags & LOOKUP_XATTR) {
@@ -871,8 +882,7 @@ tmp_lookup(
 				return (error);
 			}
 
-			xdp = tmp_memalloc(sizeof (struct tmpnode),
-			    TMP_MUSTHAVE);
+			xdp = kmem_zalloc(sizeof (struct tmpnode), KM_SLEEP);
 			tm = VTOTM(dvp);
 			tmpnode_init(tm, xdp, &tp->tn_attr, NULL);
 			/*
@@ -1186,7 +1196,7 @@ tmp_rename(
 	struct tmpnode *toparent;
 	struct tmpnode *fromtp = NULL;	/* source tmpnode */
 	struct tmount *tm = (struct tmount *)VTOTM(odvp);
-	int error;
+	int error, err;
 	int samedir = 0;	/* set if odvp == ndvp */
 	struct vnode *realvp;
 
@@ -1262,15 +1272,6 @@ tmp_rename(
 			error = 0;
 		goto done;
 	}
-	vnevent_rename_src(TNTOV(fromtp), odvp, onm, ct);
-
-	/*
-	 * Notify the target directory if not same as
-	 * source directory.
-	 */
-	if (ndvp != odvp) {
-		vnevent_rename_dest_dir(ndvp, ct);
-	}
 
 	/*
 	 * Unlink from source.
@@ -1278,7 +1279,7 @@ tmp_rename(
 	rw_enter(&fromparent->tn_rwlock, RW_WRITER);
 	rw_enter(&fromtp->tn_rwlock, RW_WRITER);
 
-	error = tdirdelete(fromparent, fromtp, onm, DR_RENAME, cred);
+	error = err = tdirdelete(fromparent, fromtp, onm, DR_RENAME, cred);
 
 	/*
 	 * The following handles the case where our source tmpnode was
@@ -1293,6 +1294,12 @@ tmp_rename(
 
 	rw_exit(&fromtp->tn_rwlock);
 	rw_exit(&fromparent->tn_rwlock);
+
+	if (err == 0) {
+		vnevent_rename_src(TNTOV(fromtp), odvp, onm, ct);
+		vnevent_rename_dest_dir(ndvp, TNTOV(fromtp), nnm, ct);
+	}
+
 done:
 	tmpnode_rele(fromtp);
 	mutex_exit(&tm->tm_renamelck);
@@ -1459,6 +1466,10 @@ tmp_readdir(
 	int reclen;
 	caddr_t outbuf;
 
+	/* If the filesystem was umounted by force, return immediately. */
+	if (vp->v_vfsp->vfs_flag & VFS_UNMOUNTED)
+		return (EIO);
+
 	if (uiop->uio_loffset >= MAXOFF_T) {
 		if (eofp)
 			*eofp = 1;
@@ -1597,7 +1608,7 @@ tmp_symlink(
 		return (error);
 	}
 	len = strlen(tnm) + 1;
-	cp = tmp_memalloc(len, 0);
+	cp = kmem_alloc(len, KM_NOSLEEP | KM_NORMALPRI);
 	if (cp == NULL) {
 		tmpnode_rele(self);
 		return (ENOSPC);
@@ -1662,10 +1673,27 @@ top:
 	 * there's little to do -- just drop our hold.
 	 */
 	if (vp->v_count > 1 || tp->tn_nlink != 0) {
-		vp->v_count--;
+		if (vp->v_vfsp->vfs_flag & VFS_UNMOUNTED) {
+			/*
+			 * Since the file system was forcibly unmounted, we can
+			 * have a case (v_count == 1, tn_nlink != 0) where this
+			 * file was open so we didn't add an extra hold on the
+			 * file in tmp_unmount. We are counting on the
+			 * interaction of the hold made in tmp_unmount and
+			 * rele-ed in tmp_vfsfree so we need to be sure we
+			 * don't decrement in this case.
+			 */
+			if (vp->v_count > 1)
+				vp->v_count--;
+		} else {
+			vp->v_count--;
+		}
 		mutex_exit(&vp->v_lock);
 		mutex_exit(&tp->tn_tlock);
 		rw_exit(&tp->tn_rwlock);
+		/* If the filesystem was umounted by force, rele the vfs ref */
+		if (tm->tm_vfsp->vfs_flag & VFS_UNMOUNTED)
+			VFS_RELE(tm->tm_vfsp);
 		return;
 	}
 
@@ -1690,7 +1718,7 @@ top:
 			goto top;
 		}
 		if (tp->tn_type == VLNK)
-			tmp_memfree(tp->tn_symlink, tp->tn_size + 1);
+			kmem_free(tp->tn_symlink, tp->tn_size + 1);
 	}
 
 	/*
@@ -1724,7 +1752,11 @@ top:
 	rw_destroy(&tp->tn_rwlock);
 	mutex_destroy(&tp->tn_tlock);
 	vn_free(TNTOV(tp));
-	tmp_memfree(tp, sizeof (struct tmpnode));
+	kmem_free(tp, sizeof (struct tmpnode));
+
+	/* If the filesystem was umounted by force, rele the vfs ref */
+	if (tm->tm_vfsp->vfs_flag & VFS_UNMOUNTED)
+		VFS_RELE(tm->tm_vfsp);
 }
 
 /* ARGSUSED2 */
@@ -1846,6 +1878,10 @@ tmp_getapage(
 	struct vnode *pvp;
 	u_offset_t poff;
 
+	/* If the filesystem was umounted by force, return immediately. */
+	if (vp->v_vfsp->vfs_flag & VFS_UNMOUNTED)
+		return (EIO);
+
 	if (protp != NULL)
 		*protp = PROT_ALL;
 again:
@@ -2067,6 +2103,10 @@ tmp_putapage(
 	u_offset_t offset;
 	u_offset_t tmpoff;
 
+	/* If the filesystem was umounted by force, return immediately. */
+	if (vp->v_vfsp->vfs_flag & VFS_UNMOUNTED)
+		return (EIO);
+
 	ASSERT(PAGE_LOCKED(pp));
 
 	/* Kluster in tmp_klustsize chunks */
diff --git a/usr/src/uts/common/fs/udfs/udf_dir.c b/usr/src/uts/common/fs/udfs/udf_dir.c
index c1e2c74a87..def046a0bf 100644
--- a/usr/src/uts/common/fs/udfs/udf_dir.c
+++ b/usr/src/uts/common/fs/udfs/udf_dir.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  */
 
 #include <sys/types.h>
@@ -562,9 +563,8 @@ out:
 				    namep, ctp);
 			}
 
-			if (sdp != tdp) {
-				vnevent_rename_dest_dir(ITOV(tdp), ctp);
-			}
+			vnevent_rename_dest_dir(ITOV(tdp), ITOV(tip),
+			    namep, ctp);
 		}
 
 		/*
diff --git a/usr/src/uts/common/fs/udfs/udf_vnops.c b/usr/src/uts/common/fs/udfs/udf_vnops.c
index 307d3987ed..2d8de23399 100644
--- a/usr/src/uts/common/fs/udfs/udf_vnops.c
+++ b/usr/src/uts/common/fs/udfs/udf_vnops.c
@@ -911,7 +911,7 @@ udf_rename(
 	caller_context_t *ct,
 	int flags)
 {
-	int32_t error = 0;
+	int32_t error = 0, err;
 	struct udf_vfs *udf_vfsp;
 	struct ud_inode *sip;		/* source inode */
 	struct ud_inode *sdp, *tdp;	/* source and target parent inode */
@@ -995,7 +995,6 @@ udf_rename(
 		rw_exit(&tdp->i_rwlock);
 		goto errout;
 	}
-	vnevent_rename_src(ITOV(sip), sdvp, snm, ct);
 	rw_exit(&tdp->i_rwlock);
 
 	rw_enter(&sdp->i_rwlock, RW_WRITER);
@@ -1006,11 +1005,15 @@ udf_rename(
 	 * If the entry has changed just forget about it.  Release
 	 * the source inode.
 	 */
-	if ((error = ud_dirremove(sdp, snm, sip, (struct vnode *)0,
+	if ((error = err = ud_dirremove(sdp, snm, sip, (struct vnode *)0,
 	    DR_RENAME, cr, ct)) == ENOENT) {
 		error = 0;
 	}
 	rw_exit(&sdp->i_rwlock);
+
+	if (err == 0)
+		vnevent_rename_src(ITOV(sip), sdvp, snm, ct);
+
 errout:
 	ITIMES(sdp);
 	ITIMES(tdp);
diff --git a/usr/src/uts/common/fs/ufs/ufs_vnops.c b/usr/src/uts/common/fs/ufs/ufs_vnops.c
index fcffd952ed..c77872b11d 100644
--- a/usr/src/uts/common/fs/ufs/ufs_vnops.c
+++ b/usr/src/uts/common/fs/ufs/ufs_vnops.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 1984, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  */
 
 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
@@ -3367,11 +3367,10 @@ ufs_rename(
 	struct inode *ip = NULL;	/* check inode */
 	struct inode *sdp;		/* old (source) parent inode */
 	struct inode *tdp;		/* new (target) parent inode */
-	struct vnode *svp = NULL;	/* source vnode */
 	struct vnode *tvp = NULL;	/* target vnode, if it exists */
 	struct vnode *realvp;
 	struct ufsvfs *ufsvfsp;
-	struct ulockfs *ulp;
+	struct ulockfs *ulp = NULL;
 	struct ufs_slot slot;
 	timestruc_t now;
 	int error;
@@ -3380,7 +3379,7 @@ ufs_rename(
 	krwlock_t *first_lock;
 	krwlock_t *second_lock;
 	krwlock_t *reverse_lock;
-	int serr, terr;
+	int terr;
 
 	sdp = VTOI(sdvp);
 	slot.fbp = NULL;
@@ -3389,34 +3388,13 @@ ufs_rename(
 	if (VOP_REALVP(tdvp, &realvp, ct) == 0)
 		tdvp = realvp;
 
+	/* Must do this before taking locks in case of DNLC miss */
 	terr = ufs_eventlookup(tdvp, tnm, cr, &tvp);
-	serr = ufs_eventlookup(sdvp, snm, cr, &svp);
-
-	if ((serr == 0) && ((terr == 0) || (terr == ENOENT))) {
-		if (tvp != NULL)
-			vnevent_rename_dest(tvp, tdvp, tnm, ct);
-
-		/*
-		 * Notify the target directory of the rename event
-		 * if source and target directories are not the same.
-		 */
-		if (sdvp != tdvp)
-			vnevent_rename_dest_dir(tdvp, ct);
-
-		if (svp != NULL)
-			vnevent_rename_src(svp, sdvp, snm, ct);
-	}
-
-	if (tvp != NULL)
-		VN_RELE(tvp);
-
-	if (svp != NULL)
-		VN_RELE(svp);
 
 retry_rename:
 	error = ufs_lockfs_begin(ufsvfsp, &ulp, ULOCKFS_RENAME_MASK);
 	if (error)
-		goto out;
+		goto unlock;
 
 	if (ulp)
 		TRANS_BEGIN_CSYNC(ufsvfsp, issync, TOP_RENAME,
@@ -3712,6 +3690,9 @@ retry_firstlock:
 		goto errout;
 	}
 
+	if (terr == 0 && tvp != NULL)
+		vnevent_rename_dest(tvp, tdvp, tnm, ct);
+
 	/*
 	 * Unlink the source.
 	 * Remove the source entry.  ufs_dirremove() checks that the entry
@@ -3723,6 +3704,9 @@ retry_firstlock:
 	    DR_RENAME, cr)) == ENOENT)
 		error = 0;
 
+	vnevent_rename_src(ITOV(sip), sdvp, snm, ct);
+	vnevent_rename_dest_dir(tdvp, ITOV(sip), tnm, ct);
+
 errout:
 	if (slot.fbp)
 		fbrelse(slot.fbp, S_OTHER);
@@ -3732,15 +3716,17 @@ errout:
 		rw_exit(&sdp->i_rwlock);
 	}
 
-	VN_RELE(ITOV(sip));
-
 unlock:
+	if (tvp != NULL)
+		VN_RELE(tvp);
+	if (sip != NULL)
+		VN_RELE(ITOV(sip));
+
 	if (ulp) {
 		TRANS_END_CSYNC(ufsvfsp, error, issync, TOP_RENAME, trans_size);
 		ufs_lockfs_end(ulp);
 	}
 
-out:
 	return (error);
 }
 
diff --git a/usr/src/uts/common/fs/vfs.c b/usr/src/uts/common/fs/vfs.c
index 6e93d056df..3f14df9add 100644
--- a/usr/src/uts/common/fs/vfs.c
+++ b/usr/src/uts/common/fs/vfs.c
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  */
 
 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
@@ -905,6 +905,7 @@ vfs_mountroot(void)
 	vfs_mountfs("mntfs", "/etc/mnttab", "/etc/mnttab");
 	vfs_mountfs("tmpfs", "/etc/svc/volatile", "/etc/svc/volatile");
 	vfs_mountfs("objfs", "objfs", OBJFS_ROOT);
+	vfs_mountfs("bootfs", "bootfs", "/system/boot");
 
 	if (getzoneid() == GLOBAL_ZONEID) {
 		vfs_mountfs("sharefs", "sharefs", "/etc/dfs/sharetab");
@@ -3899,6 +3900,8 @@ vfs_to_modname(const char *vfstype)
 		vfstype = "fdfs";
 	} else if (strncmp(vfstype, "nfs", 3) == 0) {
 		vfstype = "nfs";
+	} else if (strcmp(vfstype, "lxproc") == 0) {
+		vfstype = "lxprocfs";
 	}
 
 	return (vfstype);
diff --git a/usr/src/uts/common/fs/vnode.c b/usr/src/uts/common/fs/vnode.c
index 4abb040de0..561fb1bd02 100644
--- a/usr/src/uts/common/fs/vnode.c
+++ b/usr/src/uts/common/fs/vnode.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  */
 
 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
@@ -66,6 +66,7 @@
 #include <fs/fs_subr.h>
 #include <sys/taskq.h>
 #include <fs/fs_reparse.h>
+#include <sys/time.h>
 
 /* Determine if this vnode is a file that is read-only */
 #define	ISROFILE(vp)	\
@@ -200,6 +201,11 @@ static void 		(**vsd_destructor)(void *);
 		cr = crgetmapped(cr);					\
 	}
 
+#define	VOP_LATENCY_10MS	10000000
+#define	VOP_LATENCY_100MS	100000000
+#define	VOP_LATENCY_1S		1000000000
+#define	VOP_LATENCY_10S		10000000000
+
 /*
  * Convert stat(2) formats to vnode types and vice versa.  (Knows about
  * numerical order of S_IFMT and vnode types.)
@@ -2516,6 +2522,7 @@ vnevent_rename_src(vnode_t *vp, vnode_t *dvp, char *name, caller_context_t *ct)
 	if (vp == NULL || vp->v_femhead == NULL) {
 		return;
 	}
+	(void) VOP_VNEVENT(dvp, VE_RENAME_SRC_DIR, vp, name, ct);
 	(void) VOP_VNEVENT(vp, VE_RENAME_SRC, dvp, name, ct);
 }
 
@@ -2530,12 +2537,13 @@ vnevent_rename_dest(vnode_t *vp, vnode_t *dvp, char *name,
 }
 
 void
-vnevent_rename_dest_dir(vnode_t *vp, caller_context_t *ct)
+vnevent_rename_dest_dir(vnode_t *vp, vnode_t *nvp, char *name,
+    caller_context_t *ct)
 {
 	if (vp == NULL || vp->v_femhead == NULL) {
 		return;
 	}
-	(void) VOP_VNEVENT(vp, VE_RENAME_DEST_DIR, NULL, NULL, ct);
+	(void) VOP_VNEVENT(vp, VE_RENAME_DEST_DIR, nvp, name, ct);
 }
 
 void
@@ -3231,14 +3239,57 @@ fop_read(
 	cred_t *cr,
 	caller_context_t *ct)
 {
-	int	err;
 	ssize_t	resid_start = uiop->uio_resid;
+	zone_t	*zonep = curzone;
+	zone_vfs_kstat_t *zvp = zonep->zone_vfs_stats;
+
+	hrtime_t start, lat;
+	ssize_t len;
+	int err;
+
+	if (vp->v_type == VREG || vp->v_type == VDIR || vp->v_type == VBLK) {
+		start = gethrtime();
+
+		mutex_enter(&zonep->zone_vfs_lock);
+		kstat_runq_enter(&zonep->zone_vfs_rwstats);
+		mutex_exit(&zonep->zone_vfs_lock);
+	}
 
 	VOPXID_MAP_CR(vp, cr);
 
 	err = (*(vp)->v_op->vop_read)(vp, uiop, ioflag, cr, ct);
-	VOPSTATS_UPDATE_IO(vp, read,
-	    read_bytes, (resid_start - uiop->uio_resid));
+	len = resid_start - uiop->uio_resid;
+
+	VOPSTATS_UPDATE_IO(vp, read, read_bytes, len);
+
+	if (vp->v_type == VREG || vp->v_type == VDIR || vp->v_type == VBLK) {
+		mutex_enter(&zonep->zone_vfs_lock);
+		zonep->zone_vfs_rwstats.reads++;
+		zonep->zone_vfs_rwstats.nread += len;
+		kstat_runq_exit(&zonep->zone_vfs_rwstats);
+		mutex_exit(&zonep->zone_vfs_lock);
+
+		lat = gethrtime() - start;
+
+		if (lat >= VOP_LATENCY_10MS) {
+			if (lat < VOP_LATENCY_100MS)
+				atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+			else if (lat < VOP_LATENCY_1S) {
+				atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+				atomic_inc_64(&zvp->zv_100ms_ops.value.ui64);
+			} else if (lat < VOP_LATENCY_10S) {
+				atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+				atomic_inc_64(&zvp->zv_100ms_ops.value.ui64);
+				atomic_inc_64(&zvp->zv_1s_ops.value.ui64);
+			} else {
+				atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+				atomic_inc_64(&zvp->zv_100ms_ops.value.ui64);
+				atomic_inc_64(&zvp->zv_1s_ops.value.ui64);
+				atomic_inc_64(&zvp->zv_10s_ops.value.ui64);
+			}
+		}
+	}
+
 	return (err);
 }
 
@@ -3250,14 +3301,62 @@ fop_write(
 	cred_t *cr,
 	caller_context_t *ct)
 {
-	int	err;
 	ssize_t	resid_start = uiop->uio_resid;
+	zone_t	*zonep = curzone;
+	zone_vfs_kstat_t *zvp = zonep->zone_vfs_stats;
+
+	hrtime_t start, lat;
+	ssize_t len;
+	int	err;
+
+	/*
+	 * For the purposes of VFS kstat consumers, the "waitq" calculation is
+	 * repurposed as the active queue for VFS write operations.  There's no
+	 * actual wait queue for VFS operations.
+	 */
+	if (vp->v_type == VREG || vp->v_type == VDIR || vp->v_type == VBLK) {
+		start = gethrtime();
+
+		mutex_enter(&zonep->zone_vfs_lock);
+		kstat_waitq_enter(&zonep->zone_vfs_rwstats);
+		mutex_exit(&zonep->zone_vfs_lock);
+	}
 
 	VOPXID_MAP_CR(vp, cr);
 
 	err = (*(vp)->v_op->vop_write)(vp, uiop, ioflag, cr, ct);
-	VOPSTATS_UPDATE_IO(vp, write,
-	    write_bytes, (resid_start - uiop->uio_resid));
+	len = resid_start - uiop->uio_resid;
+
+	VOPSTATS_UPDATE_IO(vp, write, write_bytes, len);
+
+	if (vp->v_type == VREG || vp->v_type == VDIR || vp->v_type == VBLK) {
+		mutex_enter(&zonep->zone_vfs_lock);
+		zonep->zone_vfs_rwstats.writes++;
+		zonep->zone_vfs_rwstats.nwritten += len;
+		kstat_waitq_exit(&zonep->zone_vfs_rwstats);
+		mutex_exit(&zonep->zone_vfs_lock);
+
+		lat = gethrtime() - start;
+
+		if (lat >= VOP_LATENCY_10MS) {
+			if (lat < VOP_LATENCY_100MS)
+				atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+			else if (lat < VOP_LATENCY_1S) {
+				atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+				atomic_inc_64(&zvp->zv_100ms_ops.value.ui64);
+			} else if (lat < VOP_LATENCY_10S) {
+				atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+				atomic_inc_64(&zvp->zv_100ms_ops.value.ui64);
+				atomic_inc_64(&zvp->zv_1s_ops.value.ui64);
+			} else {
+				atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+				atomic_inc_64(&zvp->zv_100ms_ops.value.ui64);
+				atomic_inc_64(&zvp->zv_1s_ops.value.ui64);
+				atomic_inc_64(&zvp->zv_10s_ops.value.ui64);
+			}
+		}
+	}
+
 	return (err);
 }
 
diff --git a/usr/src/uts/common/fs/zfs/arc.c b/usr/src/uts/common/fs/zfs/arc.c
index 09d2e1dd8f..d2b584cf02 100644
--- a/usr/src/uts/common/fs/zfs/arc.c
+++ b/usr/src/uts/common/fs/zfs/arc.c
@@ -129,6 +129,7 @@
 #include <sys/vdev.h>
 #include <sys/vdev_impl.h>
 #include <sys/dsl_pool.h>
+#include <sys/zfs_zone.h>
 #include <sys/multilist.h>
 #ifdef _KERNEL
 #include <sys/vmsystm.h>
@@ -4277,6 +4278,14 @@ top:
 		rzio = zio_read(pio, spa, bp, buf->b_data, size,
 		    arc_read_done, buf, priority, zio_flags, zb);
 
+		/*
+		 * At this point, this read I/O has already missed in the ARC
+		 * and will be going through to the disk.  The I/O throttle
+		 * should delay this I/O if this zone is using more than its I/O
+		 * priority allows.
+		 */
+		zfs_zone_io_throttle(ZFS_ZONE_IOP_READ);
+
 		if (*arc_flags & ARC_FLAG_WAIT)
 			return (zio_wait(rzio));
 
diff --git a/usr/src/uts/common/fs/zfs/dbuf.c b/usr/src/uts/common/fs/zfs/dbuf.c
index 465dfd08b2..4b644f7479 100644
--- a/usr/src/uts/common/fs/zfs/dbuf.c
+++ b/usr/src/uts/common/fs/zfs/dbuf.c
@@ -617,8 +617,19 @@ dbuf_read_impl(dmu_buf_impl_t *db, zio_t *zio, uint32_t *flags)
 		arc_space_consume(DN_MAX_BONUSLEN, ARC_SPACE_OTHER);
 		if (bonuslen < DN_MAX_BONUSLEN)
 			bzero(db->db.db_data, DN_MAX_BONUSLEN);
-		if (bonuslen)
-			bcopy(DN_BONUS(dn->dn_phys), db->db.db_data, bonuslen);
+
+		if (bonuslen) {
+			/*
+			 * Absent byzantine on-disk corruption, we fully expect
+			 * our bonuslen to be no more than DN_MAX_BONUSLEN --
+			 * but we nonetheless explicitly clamp it on the bcopy()
+			 * to prevent any on-disk corruption from becoming
+			 * rampant in-kernel corruption.
+			 */
+			bcopy(DN_BONUS(dn->dn_phys), db->db.db_data,
+			    MIN(bonuslen, DN_MAX_BONUSLEN));
+		}
+
 		DB_DNODE_EXIT(db);
 		db->db_state = DB_CACHED;
 		mutex_exit(&db->db_mtx);
diff --git a/usr/src/uts/common/fs/zfs/dmu.c b/usr/src/uts/common/fs/zfs/dmu.c
index 43bcfee91c..bfe5cda5e4 100644
--- a/usr/src/uts/common/fs/zfs/dmu.c
+++ b/usr/src/uts/common/fs/zfs/dmu.c
@@ -1799,7 +1799,6 @@ dmu_write_policy(objset_t *os, dnode_t *dn, int level, int wp, zio_prop_t *zp)
 			if (!zio_checksum_table[checksum].ci_dedup)
 				dedup_verify = B_TRUE;
 		}
-
 		/*
 		 * Enable nopwrite if we have a cryptographically secure
 		 * checksum that has no known collisions (i.e. SHA-256)
diff --git a/usr/src/uts/common/fs/zfs/dmu_tx.c b/usr/src/uts/common/fs/zfs/dmu_tx.c
index 56ce2f0c27..c2b1dca1c0 100644
--- a/usr/src/uts/common/fs/zfs/dmu_tx.c
+++ b/usr/src/uts/common/fs/zfs/dmu_tx.c
@@ -38,11 +38,11 @@
 #include <sys/sa_impl.h>
 #include <sys/zfs_context.h>
 #include <sys/varargs.h>
+#include <sys/zfs_zone.h>
 
 typedef void (*dmu_tx_hold_func_t)(dmu_tx_t *tx, struct dnode *dn,
     uint64_t arg1, uint64_t arg2);
 
-
 dmu_tx_t *
 dmu_tx_create_dd(dsl_dir_t *dd)
 {
@@ -223,6 +223,8 @@ dmu_tx_count_write(dmu_tx_hold_t *txh, uint64_t off, uint64_t len)
 	if (len == 0)
 		return;
 
+	zfs_zone_io_throttle(ZFS_ZONE_IOP_LOGICAL_WRITE);
+
 	min_bs = SPA_MINBLOCKSHIFT;
 	max_bs = highbit64(txh->txh_tx->tx_objset->os_recordsize) - 1;
 	min_ibs = DN_MIN_INDBLKSHIFT;
diff --git a/usr/src/uts/common/fs/zfs/dsl_dir.c b/usr/src/uts/common/fs/zfs/dsl_dir.c
index 6a20ab3ca2..1222b8933a 100644
--- a/usr/src/uts/common/fs/zfs/dsl_dir.c
+++ b/usr/src/uts/common/fs/zfs/dsl_dir.c
@@ -42,6 +42,7 @@
 #include <sys/zio.h>
 #include <sys/arc.h>
 #include <sys/sunddi.h>
+#include <sys/zfs_zone.h>
 #include <sys/zfeature.h>
 #include <sys/policy.h>
 #include <sys/zfs_znode.h>
@@ -1266,7 +1267,7 @@ dsl_dir_tempreserve_space(dsl_dir_t *dd, uint64_t lsize, uint64_t asize,
 			 * locks are held.
 			 */
 			txg_delay(dd->dd_pool, tx->tx_txg,
-			    MSEC2NSEC(10), MSEC2NSEC(10));
+			    zfs_zone_txg_delay(), MSEC2NSEC(10));
 			err = SET_ERROR(ERESTART);
 		}
 	}
diff --git a/usr/src/uts/common/fs/zfs/dsl_pool.c b/usr/src/uts/common/fs/zfs/dsl_pool.c
index 2e7f798485..51063b9da1 100644
--- a/usr/src/uts/common/fs/zfs/dsl_pool.c
+++ b/usr/src/uts/common/fs/zfs/dsl_pool.c
@@ -42,6 +42,7 @@
 #include <sys/zfs_znode.h>
 #include <sys/spa_impl.h>
 #include <sys/dsl_deadlist.h>
+#include <sys/zfs_zone.h>
 #include <sys/bptree.h>
 #include <sys/zfeature.h>
 #include <sys/zil_impl.h>
diff --git a/usr/src/uts/common/fs/zfs/metaslab.c b/usr/src/uts/common/fs/zfs/metaslab.c
index 9ba9fd3841..02cccae29d 100644
--- a/usr/src/uts/common/fs/zfs/metaslab.c
+++ b/usr/src/uts/common/fs/zfs/metaslab.c
@@ -63,6 +63,11 @@ uint64_t metaslab_gang_bang = SPA_MAXBLOCKSIZE + 1;	/* force gang blocks */
 int zfs_condense_pct = 200;
 
 /*
+ * Never condense any space map.  This is for debugging/recovery only.
+ */
+int zfs_condense_never = 0;
+
+/*
  * Condensing a metaslab is not guaranteed to actually reduce the amount of
  * space used on disk. In particular, a space map uses data in increments of
  * MAX(1 << ashift, space_map_blksize), so a metaslab might use the
@@ -1656,6 +1661,9 @@ metaslab_should_condense(metaslab_t *msp)
 	ASSERT(MUTEX_HELD(&msp->ms_lock));
 	ASSERT(msp->ms_loaded);
 
+	if (zfs_condense_never != 0)
+		return (B_FALSE);
+
 	/*
 	 * Use the ms_size_tree range tree, which is ordered by size, to
 	 * obtain the largest segment in the free tree. We always condense
diff --git a/usr/src/uts/common/fs/zfs/sa.c b/usr/src/uts/common/fs/zfs/sa.c
index 0b5b37f5fb..5a2602271b 100644
--- a/usr/src/uts/common/fs/zfs/sa.c
+++ b/usr/src/uts/common/fs/zfs/sa.c
@@ -24,6 +24,7 @@
  * Portions Copyright 2011 iXsystems, Inc
  * Copyright (c) 2013 by Delphix. All rights reserved.
  * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
  */
 
 #include <sys/zfs_context.h>
@@ -406,15 +407,18 @@ sa_add_layout_entry(objset_t *os, sa_attr_type_t *attrs, int attr_count,
 {
 	sa_os_t *sa = os->os_sa;
 	sa_lot_t *tb, *findtb;
-	int i;
+	int i, size;
 	avl_index_t loc;
 
 	ASSERT(MUTEX_HELD(&sa->sa_lock));
 	tb = kmem_zalloc(sizeof (sa_lot_t), KM_SLEEP);
 	tb->lot_attr_count = attr_count;
-	tb->lot_attrs = kmem_alloc(sizeof (sa_attr_type_t) * attr_count,
-	    KM_SLEEP);
-	bcopy(attrs, tb->lot_attrs, sizeof (sa_attr_type_t) * attr_count);
+
+	if ((size = sizeof (sa_attr_type_t) * attr_count) != 0) {
+		tb->lot_attrs = kmem_alloc(size, KM_SLEEP);
+		bcopy(attrs, tb->lot_attrs, size);
+	}
+
 	tb->lot_num = lot_num;
 	tb->lot_hash = hash;
 	tb->lot_instance = 0;
diff --git a/usr/src/uts/common/fs/zfs/sys/vdev_impl.h b/usr/src/uts/common/fs/zfs/sys/vdev_impl.h
index 3af0e2a552..f64953b36d 100644
--- a/usr/src/uts/common/fs/zfs/sys/vdev_impl.h
+++ b/usr/src/uts/common/fs/zfs/sys/vdev_impl.h
@@ -116,6 +116,7 @@ struct vdev_queue {
 	avl_tree_t	vq_read_offset_tree;
 	avl_tree_t	vq_write_offset_tree;
 	uint64_t	vq_last_offset;
+	zoneid_t	vq_last_zone_id;
 	hrtime_t	vq_io_complete_ts; /* time last i/o completed */
 	kmutex_t	vq_lock;
 };
diff --git a/usr/src/uts/common/fs/zfs/sys/zfs_zone.h b/usr/src/uts/common/fs/zfs/sys/zfs_zone.h
new file mode 100644
index 0000000000..f1431b3f55
--- /dev/null
+++ b/usr/src/uts/common/fs/zfs/sys/zfs_zone.h
@@ -0,0 +1,63 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2015, Joyent, Inc. All rights reserved.
+ */
+
+#ifndef	_SYS_FS_ZFS_ZONE_H
+#define	_SYS_FS_ZFS_ZONE_H
+
+#ifdef _KERNEL
+#include <sys/isa_defs.h>
+#include <sys/types32.h>
+#include <sys/vdev_impl.h>
+#include <sys/zio.h>
+#endif
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+	ZFS_ZONE_IOP_READ = 0,
+	ZFS_ZONE_IOP_WRITE,
+	ZFS_ZONE_IOP_LOGICAL_WRITE,
+} zfs_zone_iop_type_t;
+
+extern void zfs_zone_io_throttle(zfs_zone_iop_type_t);
+
+extern void zfs_zone_zio_init(zio_t *);
+extern void zfs_zone_zio_start(zio_t *);
+extern void zfs_zone_zio_done(zio_t *);
+extern void zfs_zone_zio_dequeue(zio_t *);
+extern void zfs_zone_zio_enqueue(zio_t *);
+extern void zfs_zone_report_txg_sync(void *);
+extern hrtime_t zfs_zone_txg_delay();
+#ifdef _KERNEL
+extern zio_t *zfs_zone_schedule(vdev_queue_t *, zio_priority_t, avl_index_t,
+    avl_tree_t *);
+#endif
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_FS_ZFS_ZONE_H */
diff --git a/usr/src/uts/common/fs/zfs/sys/zio.h b/usr/src/uts/common/fs/zfs/sys/zio.h
index 198dc92387..78c9355438 100644
--- a/usr/src/uts/common/fs/zfs/sys/zio.h
+++ b/usr/src/uts/common/fs/zfs/sys/zio.h
@@ -421,7 +421,8 @@ struct zio {
 	const zio_vsd_ops_t *io_vsd_ops;
 
 	uint64_t	io_offset;
-	hrtime_t	io_timestamp;
+	hrtime_t	io_timestamp;	/* time I/O entered zio pipeline */
+	hrtime_t	io_dispatched;	/* time I/O was dispatched to disk */
 	avl_node_t	io_queue_node;
 	avl_node_t	io_offset_node;
 
@@ -450,6 +451,7 @@ struct zio {
 	zio_cksum_report_t *io_cksum_report;
 	uint64_t	io_ena;
 
+	zoneid_t	io_zoneid;	/* zone which originated this I/O */
 	/* Taskq dispatching state */
 	taskq_ent_t	io_tqent;
 };
diff --git a/usr/src/uts/common/fs/zfs/txg.c b/usr/src/uts/common/fs/zfs/txg.c
index 191259e75b..915c9bb4b2 100644
--- a/usr/src/uts/common/fs/zfs/txg.c
+++ b/usr/src/uts/common/fs/zfs/txg.c
@@ -31,6 +31,7 @@
 #include <sys/dsl_pool.h>
 #include <sys/dsl_scan.h>
 #include <sys/callb.h>
+#include <sys/zfs_zone.h>
 
 /*
  * ZFS Transaction Groups
@@ -506,6 +507,8 @@ txg_sync_thread(dsl_pool_t *dp)
 		    txg, tx->tx_quiesce_txg_waiting, tx->tx_sync_txg_waiting);
 		mutex_exit(&tx->tx_sync_lock);
 
+		zfs_zone_report_txg_sync(dp);
+
 		start = ddi_get_lbolt();
 		spa_sync(spa, txg);
 		delta = ddi_get_lbolt() - start;
diff --git a/usr/src/uts/common/fs/zfs/vdev_disk.c b/usr/src/uts/common/fs/zfs/vdev_disk.c
index ed4a8b773b..e4cc42452a 100644
--- a/usr/src/uts/common/fs/zfs/vdev_disk.c
+++ b/usr/src/uts/common/fs/zfs/vdev_disk.c
@@ -21,11 +21,13 @@
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
+ * Copyright (c) 2013, Joyent, Inc. All rights reserved.
  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 2013 Joyent, Inc.  All rights reserved.
  */
 
 #include <sys/zfs_context.h>
+#include <sys/zfs_zone.h>
 #include <sys/spa_impl.h>
 #include <sys/refcount.h>
 #include <sys/vdev_disk.h>
@@ -44,6 +46,11 @@ extern ldi_ident_t zfs_li;
 
 static void vdev_disk_close(vdev_t *);
 
+typedef struct vdev_disk_buf {
+	buf_t	vdb_buf;
+	zio_t	*vdb_io;
+} vdev_disk_buf_t;
+
 typedef struct vdev_disk_ldi_cb {
 	list_node_t		lcb_next;
 	ldi_callback_id_t	lcb_id;
@@ -127,6 +134,8 @@ vdev_disk_off_finalize(ldi_handle_t lh, ldi_ev_cookie_t ecookie,
     int ldi_result, void *arg, void *ev_data)
 {
 	vdev_t *vd = (vdev_t *)arg;
+	vdev_disk_t *dvd = vd->vdev_tsd;
+	vdev_disk_ldi_cb_t *lcb;
 
 	/*
 	 * Ignore events other than offline.
@@ -586,6 +595,7 @@ static void
 vdev_disk_close(vdev_t *vd)
 {
 	vdev_disk_t *dvd = vd->vdev_tsd;
+	vdev_disk_ldi_cb_t *lcb;
 
 	if (vd->vdev_reopening || dvd == NULL)
 		return;
@@ -812,6 +822,8 @@ vdev_disk_io_start(zio_t *zio)
 	bp->b_bufsize = zio->io_size;
 	bp->b_iodone = (int (*)())vdev_disk_io_intr;
 
+	zfs_zone_zio_start(zio);
+
 	/* ldi_strategy() will return non-zero only on programming errors */
 	VERIFY(ldi_strategy(dvd->vd_lh, bp) == 0);
 }
@@ -821,6 +833,8 @@ vdev_disk_io_done(zio_t *zio)
 {
 	vdev_t *vd = zio->io_vd;
 
+	zfs_zone_zio_done(zio);
+
 	/*
 	 * If the device returned EIO, then attempt a DKIOCSTATE ioctl to see if
 	 * the device has been removed.  If this is the case, then we trigger an
diff --git a/usr/src/uts/common/fs/zfs/vdev_queue.c b/usr/src/uts/common/fs/zfs/vdev_queue.c
index 79d6e13b3b..4c02013405 100644
--- a/usr/src/uts/common/fs/zfs/vdev_queue.c
+++ b/usr/src/uts/common/fs/zfs/vdev_queue.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2013, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -33,6 +34,7 @@
 #include <sys/zio.h>
 #include <sys/avl.h>
 #include <sys/dsl_pool.h>
+#include <sys/zfs_zone.h>
 
 /*
  * ZFS I/O Scheduler
@@ -141,7 +143,7 @@ uint32_t zfs_vdev_sync_write_min_active = 10;
 uint32_t zfs_vdev_sync_write_max_active = 10;
 uint32_t zfs_vdev_async_read_min_active = 1;
 uint32_t zfs_vdev_async_read_max_active = 3;
-uint32_t zfs_vdev_async_write_min_active = 1;
+uint32_t zfs_vdev_async_write_min_active = 3;
 uint32_t zfs_vdev_async_write_max_active = 10;
 uint32_t zfs_vdev_scrub_min_active = 1;
 uint32_t zfs_vdev_scrub_max_active = 2;
@@ -237,6 +239,8 @@ vdev_queue_init(vdev_t *vd)
 	    vdev_queue_offset_compare, sizeof (zio_t),
 	    offsetof(struct zio, io_offset_node));
 
+	vq->vq_last_zone_id = 0;
+
 	for (zio_priority_t p = 0; p < ZIO_PRIORITY_NUM_QUEUEABLE; p++) {
 		int (*compfn) (const void *, const void *);
 
@@ -274,6 +278,7 @@ vdev_queue_io_add(vdev_queue_t *vq, zio_t *zio)
 {
 	spa_t *spa = zio->io_spa;
 	ASSERT3U(zio->io_priority, <, ZIO_PRIORITY_NUM_QUEUEABLE);
+	zfs_zone_zio_enqueue(zio);
 	avl_add(vdev_queue_class_tree(vq, zio->io_priority), zio);
 	avl_add(vdev_queue_type_tree(vq, zio->io_type), zio);
 
@@ -289,6 +294,7 @@ vdev_queue_io_remove(vdev_queue_t *vq, zio_t *zio)
 {
 	spa_t *spa = zio->io_spa;
 	ASSERT3U(zio->io_priority, <, ZIO_PRIORITY_NUM_QUEUEABLE);
+	zfs_zone_zio_dequeue(zio);
 	avl_remove(vdev_queue_class_tree(vq, zio->io_priority), zio);
 	avl_remove(vdev_queue_type_tree(vq, zio->io_type), zio);
 
@@ -648,7 +654,11 @@ again:
 	search.io_timestamp = 0;
 	search.io_offset = vq->vq_last_offset + 1;
 	VERIFY3P(avl_find(tree, &search, &idx), ==, NULL);
+#ifdef _KERNEL
+	zio = zfs_zone_schedule(vq, p, idx, tree);
+#else
 	zio = avl_nearest(tree, idx, AVL_AFTER);
+#endif
 	if (zio == NULL)
 		zio = avl_first(tree);
 	ASSERT3U(zio->io_priority, ==, p);
diff --git a/usr/src/uts/common/fs/zfs/zfs_ioctl.c b/usr/src/uts/common/fs/zfs/zfs_ioctl.c
index a2fbc03bab..12eaaba09f 100644
--- a/usr/src/uts/common/fs/zfs/zfs_ioctl.c
+++ b/usr/src/uts/common/fs/zfs/zfs_ioctl.c
@@ -23,7 +23,7 @@
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Portions Copyright 2011 Martin Matuska
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
- * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
  * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
  * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
  * Copyright (c) 2013 Steven Hartland. All rights reserved.
@@ -612,9 +612,10 @@ zfs_secpolicy_setprop(const char *dsname, zfs_prop_t prop, nvpair_t *propval,
 	 * Check permissions for special properties.
 	 */
 	switch (prop) {
+	case ZFS_PROP_DEDUP:
 	case ZFS_PROP_ZONED:
 		/*
-		 * Disallow setting of 'zoned' from within a local zone.
+		 * Disallow setting these properties from within a local zone.
 		 */
 		if (!INGLOBALZONE(curproc))
 			return (SET_ERROR(EPERM));
@@ -944,6 +945,9 @@ zfs_secpolicy_recv(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr)
 {
 	int error;
 
+	if (secpolicy_fs_import(cr) != 0)
+		return (set_errno(EPERM));
+
 	if ((error = zfs_secpolicy_write_perms(zc->zc_name,
 	    ZFS_DELEG_PERM_RECEIVE, cr)) != 0)
 		return (error);
@@ -2035,7 +2039,8 @@ zfs_ioc_vdev_setfru(zfs_cmd_t *zc)
 }
 
 static int
-zfs_ioc_objset_stats_impl(zfs_cmd_t *zc, objset_t *os)
+zfs_ioc_objset_stats_impl(zfs_cmd_t *zc, objset_t *os,
+    boolean_t cachedpropsonly)
 {
 	int error = 0;
 	nvlist_t *nv;
@@ -2053,7 +2058,8 @@ zfs_ioc_objset_stats_impl(zfs_cmd_t *zc, objset_t *os)
 		 * XXX reading with out owning
 		 */
 		if (!zc->zc_objset_stats.dds_inconsistent &&
-		    dmu_objset_type(os) == DMU_OST_ZVOL) {
+		    dmu_objset_type(os) == DMU_OST_ZVOL &&
+		    !cachedpropsonly) {
 			error = zvol_get_stats(os, nv);
 			if (error == EIO)
 				return (error);
@@ -2080,11 +2086,24 @@ static int
 zfs_ioc_objset_stats(zfs_cmd_t *zc)
 {
 	objset_t *os;
+	nvlist_t *nvl = NULL;
+	boolean_t cachedpropsonly = B_FALSE;
 	int error;
 
+	if (zc->zc_nvlist_src != NULL &&
+	    (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size,
+	    zc->zc_iflags, &nvl) != 0))
+		return (error);
+
+	if (nvl != NULL) {
+		(void) nvlist_lookup_boolean_value(nvl, "cachedpropsonly",
+		    &cachedpropsonly);
+		nvlist_free(nvl);
+	}
+
 	error = dmu_objset_hold(zc->zc_name, FTAG, &os);
 	if (error == 0) {
-		error = zfs_ioc_objset_stats_impl(zc, os);
+		error = zfs_ioc_objset_stats_impl(zc, os, cachedpropsonly);
 		dmu_objset_rele(os, FTAG);
 	}
 
@@ -2278,8 +2297,21 @@ static int
 zfs_ioc_snapshot_list_next(zfs_cmd_t *zc)
 {
 	objset_t *os;
+	nvlist_t *nvl = NULL;
+	boolean_t cachedpropsonly = B_FALSE;
 	int error;
 
+	if (zc->zc_nvlist_src != NULL &&
+	    (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size,
+	    zc->zc_iflags, &nvl) != 0))
+		return (error);
+
+	if (nvl != NULL) {
+		(void) nvlist_lookup_boolean_value(nvl, "cachedpropsonly",
+		    &cachedpropsonly);
+		nvlist_free(nvl);
+	}
+
 	error = dmu_objset_hold(zc->zc_name, FTAG, &os);
 	if (error != 0) {
 		return (error == ENOENT ? ESRCH : error);
@@ -2308,8 +2340,10 @@ zfs_ioc_snapshot_list_next(zfs_cmd_t *zc)
 			objset_t *ossnap;
 
 			error = dmu_objset_from_ds(ds, &ossnap);
-			if (error == 0)
-				error = zfs_ioc_objset_stats_impl(zc, ossnap);
+			if (error == 0) {
+				error = zfs_ioc_objset_stats_impl(zc,
+				    ossnap, cachedpropsonly);
+			}
 			dsl_dataset_rele(ds, FTAG);
 		}
 	} else if (error == ENOENT) {
@@ -3019,6 +3053,7 @@ zfs_fill_zplprops_impl(objset_t *os, uint64_t zplver,
 	uint64_t sense = ZFS_PROP_UNDEFINED;
 	uint64_t norm = ZFS_PROP_UNDEFINED;
 	uint64_t u8 = ZFS_PROP_UNDEFINED;
+	int error;
 
 	ASSERT(zplprops != NULL);
 
@@ -3062,8 +3097,9 @@ zfs_fill_zplprops_impl(objset_t *os, uint64_t zplver,
 	VERIFY(nvlist_add_uint64(zplprops,
 	    zfs_prop_to_name(ZFS_PROP_VERSION), zplver) == 0);
 
-	if (norm == ZFS_PROP_UNDEFINED)
-		VERIFY(zfs_get_zplprop(os, ZFS_PROP_NORMALIZE, &norm) == 0);
+	if (norm == ZFS_PROP_UNDEFINED &&
+	    (error = zfs_get_zplprop(os, ZFS_PROP_NORMALIZE, &norm)) != 0)
+		return (error);
 	VERIFY(nvlist_add_uint64(zplprops,
 	    zfs_prop_to_name(ZFS_PROP_NORMALIZE), norm) == 0);
 
@@ -3072,13 +3108,15 @@ zfs_fill_zplprops_impl(objset_t *os, uint64_t zplver,
 	 */
 	if (norm)
 		u8 = 1;
-	if (u8 == ZFS_PROP_UNDEFINED)
-		VERIFY(zfs_get_zplprop(os, ZFS_PROP_UTF8ONLY, &u8) == 0);
+	if (u8 == ZFS_PROP_UNDEFINED &&
+	    (error = zfs_get_zplprop(os, ZFS_PROP_UTF8ONLY, &u8)) != 0)
+		return (error);
 	VERIFY(nvlist_add_uint64(zplprops,
 	    zfs_prop_to_name(ZFS_PROP_UTF8ONLY), u8) == 0);
 
-	if (sense == ZFS_PROP_UNDEFINED)
-		VERIFY(zfs_get_zplprop(os, ZFS_PROP_CASE, &sense) == 0);
+	if (sense == ZFS_PROP_UNDEFINED &&
+	    (error = zfs_get_zplprop(os, ZFS_PROP_CASE, &sense)) != 0)
+		return (error);
 	VERIFY(nvlist_add_uint64(zplprops,
 	    zfs_prop_to_name(ZFS_PROP_CASE), sense) == 0);
 
diff --git a/usr/src/uts/common/fs/zfs/zfs_vfsops.c b/usr/src/uts/common/fs/zfs/zfs_vfsops.c
index 8cf83b399a..f9b7986c56 100644
--- a/usr/src/uts/common/fs/zfs/zfs_vfsops.c
+++ b/usr/src/uts/common/fs/zfs/zfs_vfsops.c
@@ -21,6 +21,7 @@
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
 
 /* Portions Copyright 2010 Robert Milkowski */
@@ -1950,6 +1951,17 @@ zfs_umount(vfs_t *vfsp, int fflag, cred_t *cr)
 	if (zfsvfs->z_ctldir != NULL)
 		zfsctl_destroy(zfsvfs);
 
+	/*
+	 * If we're doing a forced unmount on a dataset which still has
+	 * references and is in a zone, then we need to cleanup the zone
+	 * reference at this point or else the zone will never be able to
+	 * shutdown.
+	 */
+	if ((fflag & MS_FORCE) && vfsp->vfs_count > 1 && vfsp->vfs_zone) {
+		zone_rele_ref(&vfsp->vfs_implp->vi_zone_ref, ZONE_REF_VFS);
+		vfsp->vfs_zone = NULL;
+	}
+
 	return (0);
 }
 
diff --git a/usr/src/uts/common/fs/zfs/zfs_vnops.c b/usr/src/uts/common/fs/zfs/zfs_vnops.c
index bf75097d2a..558c74b215 100644
--- a/usr/src/uts/common/fs/zfs/zfs_vnops.c
+++ b/usr/src/uts/common/fs/zfs/zfs_vnops.c
@@ -22,11 +22,16 @@
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
  * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
  */
 
 /* Portions Copyright 2007 Jeremy Teo */
 /* Portions Copyright 2010 Robert Milkowski */
 
+/*
+ * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ */
+
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/time.h>
@@ -683,6 +688,17 @@ zfs_write(vnode_t *vp, uio_t *uio, int ioflag, cred_t *cr, caller_context_t *ct)
 	if (limit == RLIM64_INFINITY || limit > MAXOFFSET_T)
 		limit = MAXOFFSET_T;
 
+	/*
+	 * Pre-fault the pages to ensure slow (eg NFS) pages
+	 * don't hold up txg.
+	 * Skip this if uio contains loaned arc_buf.
+	 */
+	if ((uio->uio_extflg == UIO_XUIO) &&
+	    (((xuio_t *)uio)->xu_type == UIOTYPE_ZEROCOPY))
+		xuio = (xuio_t *)uio;
+	else
+		uio_prefaultpages(n, uio);
+
 	ZFS_ENTER(zfsvfs);
 	ZFS_VERIFY_ZP(zp);
 
@@ -735,17 +751,6 @@ zfs_write(vnode_t *vp, uio_t *uio, int ioflag, cred_t *cr, caller_context_t *ct)
 	}
 
 	/*
-	 * Pre-fault the pages to ensure slow (eg NFS) pages
-	 * don't hold up txg.
-	 * Skip this if uio contains loaned arc_buf.
-	 */
-	if ((uio->uio_extflg == UIO_XUIO) &&
-	    (((xuio_t *)uio)->xu_type == UIOTYPE_ZEROCOPY))
-		xuio = (xuio_t *)uio;
-	else
-		uio_prefaultpages(MIN(n, max_blksz), uio);
-
-	/*
 	 * If in append mode, set the io offset pointer to eof.
 	 */
 	if (ioflag & FAPPEND) {
@@ -985,9 +990,6 @@ zfs_write(vnode_t *vp, uio_t *uio, int ioflag, cred_t *cr, caller_context_t *ct)
 			break;
 		ASSERT(tx_bytes == nbytes);
 		n -= nbytes;
-
-		if (!xuio && n > 0)
-			uio_prefaultpages(MIN(n, max_blksz), uio);
 	}
 
 	zfs_range_unlock(rl);
@@ -3659,18 +3661,6 @@ top:
 		}
 	}
 
-	vnevent_rename_src(ZTOV(szp), sdvp, snm, ct);
-	if (tzp)
-		vnevent_rename_dest(ZTOV(tzp), tdvp, tnm, ct);
-
-	/*
-	 * notify the target directory if it is not the same
-	 * as source directory.
-	 */
-	if (tdvp != sdvp) {
-		vnevent_rename_dest_dir(tdvp, ct);
-	}
-
 	tx = dmu_tx_create(zfsvfs->z_os);
 	dmu_tx_hold_sa(tx, szp->z_sa_hdl, B_FALSE);
 	dmu_tx_hold_sa(tx, sdzp->z_sa_hdl, B_FALSE);
@@ -3711,8 +3701,12 @@ top:
 		return (error);
 	}
 
-	if (tzp)	/* Attempt to remove the existing target */
+	if (tzp) {
+		/* Attempt to remove the existing target */
 		error = zfs_link_destroy(tdl, tzp, tx, zflg, NULL);
+		if (error == 0)
+			vnevent_rename_dest(ZTOV(tzp), tdvp, tnm, ct);
+	}
 
 	if (error == 0) {
 		error = zfs_link_create(tdl, szp, tx, ZRENAMING);
@@ -3754,6 +3748,11 @@ top:
 	}
 
 	dmu_tx_commit(tx);
+
+	if (error == 0) {
+		vnevent_rename_src(ZTOV(szp), sdvp, snm, ct);
+		vnevent_rename_dest_dir(tdvp, ZTOV(szp), tnm, ct);
+	}
 out:
 	if (zl != NULL)
 		zfs_rename_unlock(&zl);
@@ -4244,6 +4243,8 @@ zfs_putapage(vnode_t *vp, page_t *pp, u_offset_t *offp,
 		    &zp->z_pflags, 8);
 		zfs_tstamp_update_setup(zp, CONTENT_MODIFIED, mtime, ctime,
 		    B_TRUE);
+		err = sa_bulk_update(zp->z_sa_hdl, bulk, count, tx);
+
 		zfs_log_write(zfsvfs->z_log, tx, TX_WRITE, zp, off, len, 0);
 	}
 	dmu_tx_commit(tx);
@@ -4779,10 +4780,6 @@ zfs_delmap(vnode_t *vp, offset_t off, struct as *as, caddr_t addr,
 	ASSERT3U(VTOZ(vp)->z_mapcnt, >=, pages);
 	atomic_add_64(&VTOZ(vp)->z_mapcnt, -pages);
 
-	if ((flags & MAP_SHARED) && (prot & PROT_WRITE) &&
-	    vn_has_cached_data(vp))
-		(void) VOP_PUTPAGE(vp, off, len, B_ASYNC, cr, ct);
-
 	return (0);
 }
 
diff --git a/usr/src/uts/common/fs/zfs/zfs_zone.c b/usr/src/uts/common/fs/zfs/zfs_zone.c
new file mode 100644
index 0000000000..4861c64f8e
--- /dev/null
+++ b/usr/src/uts/common/fs/zfs/zfs_zone.c
@@ -0,0 +1,1336 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015, Joyent, Inc. All rights reserved.
+ */
+
+/*
+ * The ZFS/Zone I/O throttle and scheduler attempts to ensure fair access to
+ * ZFS I/O resources for each zone.
+ *
+ * I/O contention can be major pain point on a multi-tenant system. A single
+ * zone can issue a stream of I/O operations, usually synchronous writes, which
+ * disrupt I/O performance for all other zones. This problem is further
+ * exacerbated by ZFS, which buffers all asynchronous writes in a single TXG,
+ * a set of blocks which are atomically synced to disk. The process of
+ * syncing a TXG can occupy all of a device's I/O bandwidth, thereby starving
+ * out any pending read operations.
+ *
+ * There are two facets to this capability; the throttle and the scheduler.
+ *
+ * Throttle
+ *
+ * The requirements on the throttle are:
+ *
+ *     1) Ensure consistent and predictable I/O latency across all zones.
+ *     2) Sequential and random workloads have very different characteristics,
+ *        so it is a non-starter to track IOPS or throughput.
+ *     3) A zone should be able to use the full disk bandwidth if no other zone
+ *        is actively using the disk.
+ *
+ * The throttle has two components: one to track and account for each zone's
+ * I/O requests, and another to throttle each zone's operations when it
+ * exceeds its fair share of disk I/O. When the throttle detects that a zone is
+ * consuming more than is appropriate, each read or write system call is
+ * delayed by up to 100 microseconds, which we've found is sufficient to allow
+ * other zones to interleave I/O requests during those delays.
+ *
+ * Note: The throttle will delay each logical I/O (as opposed to the physical
+ * I/O which will likely be issued asynchronously), so it may be easier to
+ * think of the I/O throttle delaying each read/write syscall instead of the
+ * actual I/O operation. For each zone, the throttle tracks an ongoing average
+ * of read and write operations performed to determine the overall I/O
+ * utilization for each zone.
+ *
+ * The throttle calculates a I/O utilization metric for each zone using the
+ * following formula:
+ *
+ *     (# of read syscalls) x (Average read latency) +
+ *     (# of write syscalls) x (Average write latency)
+ *
+ * Once each zone has its utilization metric, the I/O throttle will compare I/O
+ * utilization across all zones, and if a zone has a higher-than-average I/O
+ * utilization, system calls from that zone are throttled. That is, if one
+ * zone has a much higher utilization, that zone's delay is increased by 5
+ * microseconds, up to a maximum of 100 microseconds. Conversely, if a zone is
+ * already throttled and has a lower utilization than average, its delay will
+ * be lowered by 5 microseconds.
+ *
+ * The throttle calculation is driven by IO activity, but since IO does not
+ * happen at fixed intervals, timestamps are used to track when the last update
+ * was made and to drive recalculation.
+ *
+ * The throttle recalculates each zone's I/O usage and throttle delay (if any)
+ * on the zfs_zone_adjust_time interval. Overall I/O latency is maintained as
+ * a decayed average which is updated on the zfs_zone_sys_avg_cycle interval.
+ *
+ * Scheduler
+ *
+ * The I/O scheduler manages the vdev queues – the queues of pending I/Os to
+ * issue to the disks. It only makes scheduling decisions for the two
+ * synchronous I/O queues (read & write).
+ *
+ * The scheduler maintains how many I/Os in the queue are from each zone, and
+ * if one zone has a disproportionately large number of I/Os in the queue, the
+ * scheduler will allow certain I/Os from the underutilized zones to be "bumped"
+ * and pulled from the middle of the queue. This bump allows zones with a small
+ * number of I/Os (so small they may not even be taken into account by the
+ * throttle) to complete quickly instead of waiting behind dozens of I/Os from
+ * other zones.
+ */
+
+#include <sys/spa.h>
+#include <sys/vdev_impl.h>
+#include <sys/zfs_zone.h>
+
+#ifndef _KERNEL
+
+/*
+ * Stubs for when compiling for user-land.
+ */
+
+void
+zfs_zone_io_throttle(zfs_zone_iop_type_t type)
+{
+}
+
+void
+zfs_zone_zio_init(zio_t *zp)
+{
+}
+
+void
+zfs_zone_zio_start(zio_t *zp)
+{
+}
+
+void
+zfs_zone_zio_done(zio_t *zp)
+{
+}
+
+void
+zfs_zone_zio_dequeue(zio_t *zp)
+{
+}
+
+void
+zfs_zone_zio_enqueue(zio_t *zp)
+{
+}
+
+/*ARGSUSED*/
+void
+zfs_zone_report_txg_sync(void *dp)
+{
+}
+
+hrtime_t
+zfs_zone_txg_delay()
+{
+	return (MSEC2NSEC(10));
+}
+
+#else
+
+/*
+ * The real code.
+ */
+
+#include <sys/systm.h>
+#include <sys/thread.h>
+#include <sys/proc.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/atomic.h>
+#include <sys/zio.h>
+#include <sys/zone.h>
+#include <sys/avl.h>
+#include <sys/sdt.h>
+#include <sys/ddi.h>
+
+/*
+ * The zone throttle delays read and write operations from certain zones based
+ * on each zone's IO utilitzation.  Once a cycle (defined by zfs_zone_cycle_time
+ * below), the delays for each zone are recalculated based on the utilization
+ * over the previous window.
+ */
+boolean_t	zfs_zone_delay_enable = B_TRUE;	/* enable IO throttle */
+uint16_t	zfs_zone_delay_step = 5;	/* usec amnt to change delay */
+uint16_t	zfs_zone_delay_ceiling = 100;	/* usec delay max */
+
+boolean_t	zfs_zone_priority_enable = B_TRUE;  /* enable IO priority */
+
+/*
+ * For certain workloads, one zone may be issuing primarily sequential I/O and
+ * another primarily random I/O.  The sequential I/O will complete much more
+ * quickly than the random I/O, driving the average system latency for those
+ * operations way down.  As a result, the random I/O may be throttled back, even
+ * though the sequential I/O should be throttled to allow the random I/O more
+ * access to the disk.
+ *
+ * This tunable limits the discrepancy between the read and write system
+ * latency.  If one becomes excessively high, this tunable prevents the I/O
+ * throttler from exacerbating the imbalance.
+ */
+uint_t		zfs_zone_rw_lat_limit = 10;
+
+/*
+ * The I/O throttle will only start delaying zones when it detects disk
+ * utilization has reached a certain level.  This tunable controls the
+ * threshold at which the throttle will start delaying zones.  When the number
+ * of vdevs is small, the calculation should correspond closely with the %b
+ * column from iostat -- but as the number of vdevs becomes large, it will
+ * correlate less and less to any single device (therefore making it a poor
+ * approximation for the actual I/O utilization on such systems).  We
+ * therefore use our derived utilization conservatively:  we know that low
+ * derived utilization does indeed correlate to low I/O use -- but that a high
+ * rate of derived utilization does not necesarily alone denote saturation;
+ * where we see a high rate of utilization, we also look for laggard I/Os to
+ * attempt to detect saturation.
+ */
+uint_t		zfs_zone_util_threshold = 80;
+uint_t		zfs_zone_underutil_threshold = 60;
+
+/*
+ * There are three important tunables here:  zfs_zone_laggard_threshold denotes
+ * the threshold at which an I/O is considered to be of notably high latency;
+ * zfs_zone_laggard_recent denotes the number of microseconds before the
+ * current time after which the last laggard is considered to be sufficiently
+ * recent to merit increasing the throttle; zfs_zone_laggard_ancient denotes
+ * the microseconds before the current time before which the last laggard is
+ * considered to be sufficiently old to merit decreasing the throttle.  The
+ * most important tunable of these three is the zfs_zone_laggard_threshold: in
+ * modeling data from a large public cloud, this tunable was found to have a
+ * much greater effect on the throttle than the two time-based thresholds.
+ * This must be set high enough to not result in spurious throttling, but not
+ * so high as to allow pathological I/O to persist in the system.
+ */
+uint_t		zfs_zone_laggard_threshold = 50000;	/* 50 ms */
+uint_t		zfs_zone_laggard_recent = 1000000;	/* 1000 ms */
+uint_t		zfs_zone_laggard_ancient = 5000000;	/* 5000 ms */
+
+/*
+ * Throughout this subsystem, our timestamps are in microseconds.  Our system
+ * average cycle is one second or 1 million microseconds.  Our zone counter
+ * update cycle is two seconds or 2 million microseconds.  We use a longer
+ * duration for that cycle because some ops can see a little over two seconds of
+ * latency when they are being starved by another zone.
+ */
+uint_t 		zfs_zone_sys_avg_cycle = 1000000;	/* 1 s */
+uint_t 		zfs_zone_cycle_time = 2000000;		/* 2 s */
+
+/*
+ * How often the I/O throttle will reevaluate each zone's utilization, in
+ * microseconds. Default is 1/4 sec.
+ */
+uint_t 		zfs_zone_adjust_time = 250000;		/* 250 ms */
+
+typedef struct {
+	hrtime_t	cycle_start;
+	int		cycle_cnt;
+	hrtime_t	cycle_lat;
+	hrtime_t	sys_avg_lat;
+} sys_lat_cycle_t;
+
+typedef struct {
+	hrtime_t zi_now;
+	uint_t zi_avgrlat;
+	uint_t zi_avgwlat;
+	uint64_t zi_totpri;
+	uint64_t zi_totutil;
+	int zi_active;
+	uint_t zi_diskutil;
+	boolean_t zi_underutil;
+	boolean_t zi_overutil;
+} zoneio_stats_t;
+
+static sys_lat_cycle_t	rd_lat;
+static sys_lat_cycle_t	wr_lat;
+
+/*
+ * Some basic disk stats to determine disk utilization. The utilization info
+ * for all disks on the system is aggregated into these values.
+ *
+ * Overall disk utilization for the current cycle is calculated as:
+ *
+ * ((zfs_disk_rtime - zfs_disk_last_rtime) * 100)
+ * ----------------------------------------------
+ *    ((now - zfs_zone_last_checked) * 1000);
+ */
+kmutex_t	zfs_disk_lock;		/* protects the following: */
+uint_t		zfs_disk_rcnt;		/* Number of outstanding IOs */
+hrtime_t	zfs_disk_rtime = 0; /* cummulative sum of time performing IO */
+hrtime_t	zfs_disk_rlastupdate = 0; /* time last IO dispatched */
+
+hrtime_t	zfs_disk_last_rtime = 0; /* prev. cycle's zfs_disk_rtime val */
+/* time that we last updated per-zone throttle info */
+hrtime_t	zfs_zone_last_checked = 0;
+hrtime_t	zfs_disk_last_laggard = 0;
+
+/*
+ * Data used to keep track of how often txg sync is running.
+ */
+extern int	zfs_txg_timeout;
+static uint_t	txg_last_check;
+static uint_t	txg_cnt;
+static uint_t	txg_sync_rate;
+
+boolean_t	zfs_zone_schedule_enable = B_TRUE;	/* enable IO sched. */
+/*
+ * Threshold for when zio scheduling should kick in.
+ *
+ * This threshold is based on the zfs_vdev_sync_read_max_active value for the
+ * number of I/Os that can be pending on a device.  If there are more than the
+ * max_active ops already queued up, beyond those already issued to the vdev,
+ * then use zone-based scheduling to get the next synchronous zio.
+ */
+uint32_t	zfs_zone_schedule_thresh = 10;
+
+/*
+ * On each pass of the scheduler we increment the zone's weight (up to this
+ * maximum). The weight is used by the scheduler to prevent starvation so
+ * that zones which haven't been able to do any IO over many iterations
+ * will max out thier weight to this value.
+ */
+#define	SCHED_WEIGHT_MAX	20
+
+/*
+ * Tunables for delay throttling when TXG sync is occurring.
+ *
+ * If the zone is performing a write and we're doing above normal TXG syncing,
+ * then throttle for longer than normal. The zone's wait time is multiplied
+ * by the scale (zfs_zone_txg_throttle_scale).
+ */
+int		zfs_zone_txg_throttle_scale = 2;
+hrtime_t	zfs_zone_txg_delay_nsec = MSEC2NSEC(20);
+
+typedef struct {
+	int		zq_qdepth;
+	zio_priority_t	zq_queue;
+	int		zq_priority;
+	int		zq_wt;
+	zoneid_t	zq_zoneid;
+} zone_q_bump_t;
+
+/*
+ * This uses gethrtime() but returns a value in usecs.
+ */
+#define	GET_USEC_TIME		(gethrtime() / 1000)
+#define	NANO_TO_MICRO(x)	(x / (NANOSEC / MICROSEC))
+
+/*
+ * Keep track of the zone's ZFS IOPs.
+ *
+ * See the comment on the zfs_zone_io_throttle function for which/how IOPs are
+ * accounted for.
+ *
+ * If the number of ops is >1 then we can just use that value.  However,
+ * if the number of ops is <2 then we might have a zone which is trying to do
+ * IO but is not able to get any ops through the system.  We don't want to lose
+ * track of this zone so we factor in its decayed count into the current count.
+ *
+ * Each cycle (zfs_zone_sys_avg_cycle) we want to update the decayed count.
+ * However, since this calculation is driven by IO activity and since IO does
+ * not happen at fixed intervals, we use a timestamp to see when the last update
+ * was made.  If it was more than one cycle ago, then we need to decay the
+ * historical count by the proper number of additional cycles in which no IO was
+ * performed.
+ *
+ * Return a time delta indicating how far into the current cycle we are or 0
+ * if the last IO was more than a cycle ago.
+ */
+static hrtime_t
+compute_historical_zone_cnt(hrtime_t unow, sys_zio_cntr_t *cp)
+{
+	hrtime_t delta;
+	int	gen_cnt;
+
+	/*
+	 * Check if its time to recompute a new zone count.
+	 * If we're still collecting data for the current cycle, return false.
+	 */
+	delta = unow - cp->cycle_start;
+	if (delta < zfs_zone_cycle_time)
+		return (delta);
+
+	/* A previous cycle is past, compute the new zone count. */
+
+	/*
+	 * Figure out how many generations we have to decay the historical
+	 * count, since multiple cycles may have elapsed since our last IO.
+	 * We depend on int rounding here.
+	 */
+	gen_cnt = (int)(delta / zfs_zone_cycle_time);
+
+	/* If more than 5 cycles since last the IO, reset count. */
+	if (gen_cnt > 5) {
+		cp->zone_avg_cnt = 0;
+	} else {
+		/* Update the count. */
+		int	i;
+
+		/*
+		 * If the zone did more than 1 IO, just use its current count
+		 * as the historical value, otherwise decay the historical
+		 * count and factor that into the new historical count.  We
+		 * pick a threshold > 1 so that we don't lose track of IO due
+		 * to int rounding.
+		 */
+		if (cp->cycle_cnt > 1)
+			cp->zone_avg_cnt = cp->cycle_cnt;
+		else
+			cp->zone_avg_cnt = cp->cycle_cnt +
+			    (cp->zone_avg_cnt / 2);
+
+		/*
+		 * If more than one generation has elapsed since the last
+		 * update, decay the values further.
+		 */
+		for (i = 1; i < gen_cnt; i++)
+			cp->zone_avg_cnt = cp->zone_avg_cnt / 2;
+	}
+
+	/* A new cycle begins. */
+	cp->cycle_start = unow;
+	cp->cycle_cnt = 0;
+
+	return (0);
+}
+
+/*
+ * Add IO op data to the zone.
+ */
+static void
+add_zone_iop(zone_t *zonep, hrtime_t unow, zfs_zone_iop_type_t op)
+{
+	switch (op) {
+	case ZFS_ZONE_IOP_READ:
+		(void) compute_historical_zone_cnt(unow, &zonep->zone_rd_ops);
+		zonep->zone_rd_ops.cycle_cnt++;
+		break;
+	case ZFS_ZONE_IOP_WRITE:
+		(void) compute_historical_zone_cnt(unow, &zonep->zone_wr_ops);
+		zonep->zone_wr_ops.cycle_cnt++;
+		break;
+	case ZFS_ZONE_IOP_LOGICAL_WRITE:
+		(void) compute_historical_zone_cnt(unow, &zonep->zone_lwr_ops);
+		zonep->zone_lwr_ops.cycle_cnt++;
+		break;
+	}
+}
+
+/*
+ * Use a decaying average to keep track of the overall system latency.
+ *
+ * We want to have the recent activity heavily weighted, but if the
+ * activity decreases or stops, then the average should quickly decay
+ * down to the new value.
+ *
+ * Each cycle (zfs_zone_sys_avg_cycle) we want to update the decayed average.
+ * However, since this calculation is driven by IO activity and since IO does
+ * not happen at fixed intervals, we use a timestamp to see when the last
+ * update was made. If it was more than one cycle ago, then we need to decay
+ * the average by the proper number of additional cycles in which no IO was
+ * performed.
+ *
+ * Return true if we actually computed a new system average.
+ * If we're still within an active cycle there is nothing to do, return false.
+ */
+static boolean_t
+compute_new_sys_avg(hrtime_t unow, sys_lat_cycle_t *cp)
+{
+	hrtime_t delta;
+	int	gen_cnt;
+
+	/*
+	 * Check if its time to recompute a new average.
+	 * If we're still collecting data for the current cycle, return false.
+	 */
+	delta = unow - cp->cycle_start;
+	if (delta < zfs_zone_sys_avg_cycle)
+		return (B_FALSE);
+
+	/* A previous cycle is past, compute a new system average. */
+
+	/*
+	 * Figure out how many generations we have to decay, since multiple
+	 * cycles may have elapsed since our last IO.
+	 * We count on int rounding here.
+	 */
+	gen_cnt = (int)(delta / zfs_zone_sys_avg_cycle);
+
+	/* If more than 5 cycles since last the IO, reset average. */
+	if (gen_cnt > 5) {
+		cp->sys_avg_lat = 0;
+	} else {
+		/* Update the average. */
+		int	i;
+
+		cp->sys_avg_lat =
+		    (cp->sys_avg_lat + cp->cycle_lat) / (1 + cp->cycle_cnt);
+
+		/*
+		 * If more than one generation has elapsed since the last
+		 * update, decay the values further.
+		 */
+		for (i = 1; i < gen_cnt; i++)
+			cp->sys_avg_lat = cp->sys_avg_lat / 2;
+	}
+
+	/* A new cycle begins. */
+	cp->cycle_start = unow;
+	cp->cycle_cnt = 0;
+	cp->cycle_lat = 0;
+
+	return (B_TRUE);
+}
+
+static void
+add_sys_iop(hrtime_t unow, int op, int lat)
+{
+	switch (op) {
+	case ZFS_ZONE_IOP_READ:
+		(void) compute_new_sys_avg(unow, &rd_lat);
+		rd_lat.cycle_cnt++;
+		rd_lat.cycle_lat += lat;
+		break;
+	case ZFS_ZONE_IOP_WRITE:
+		(void) compute_new_sys_avg(unow, &wr_lat);
+		wr_lat.cycle_cnt++;
+		wr_lat.cycle_lat += lat;
+		break;
+	}
+}
+
+/*
+ * Get the zone IO counts.
+ */
+static uint_t
+calc_zone_cnt(hrtime_t unow, sys_zio_cntr_t *cp)
+{
+	hrtime_t delta;
+	uint_t cnt;
+
+	if ((delta = compute_historical_zone_cnt(unow, cp)) == 0) {
+		/*
+		 * No activity in the current cycle, we already have the
+		 * historical data so we'll use that.
+		 */
+		cnt = cp->zone_avg_cnt;
+	} else {
+		/*
+		 * If we're less than half way through the cycle then use
+		 * the current count plus half the historical count, otherwise
+		 * just use the current count.
+		 */
+		if (delta < (zfs_zone_cycle_time / 2))
+			cnt = cp->cycle_cnt + (cp->zone_avg_cnt / 2);
+		else
+			cnt = cp->cycle_cnt;
+	}
+
+	return (cnt);
+}
+
+/*
+ * Get the average read/write latency in usecs for the system.
+ */
+static uint_t
+calc_avg_lat(hrtime_t unow, sys_lat_cycle_t *cp)
+{
+	if (compute_new_sys_avg(unow, cp)) {
+		/*
+		 * No activity in the current cycle, we already have the
+		 * historical data so we'll use that.
+		 */
+		return (cp->sys_avg_lat);
+	} else {
+		/*
+		 * We're within a cycle; weight the current activity higher
+		 * compared to the historical data and use that.
+		 */
+		DTRACE_PROBE3(zfs__zone__calc__wt__avg,
+		    uintptr_t, cp->sys_avg_lat,
+		    uintptr_t, cp->cycle_lat,
+		    uintptr_t, cp->cycle_cnt);
+
+		return ((cp->sys_avg_lat + (cp->cycle_lat * 8)) /
+		    (1 + (cp->cycle_cnt * 8)));
+	}
+}
+
+/*
+ * Account for the current IOP on the zone and for the system as a whole.
+ * The latency parameter is in usecs.
+ */
+static void
+add_iop(zone_t *zonep, hrtime_t unow, zfs_zone_iop_type_t op, hrtime_t lat)
+{
+	/* Add op to zone */
+	add_zone_iop(zonep, unow, op);
+
+	/* Track system latency */
+	if (op != ZFS_ZONE_IOP_LOGICAL_WRITE)
+		add_sys_iop(unow, op, lat);
+}
+
+/*
+ * Calculate and return the total number of read ops, write ops and logical
+ * write ops for the given zone.  If the zone has issued operations of any type
+ * return a non-zero value, otherwise return 0.
+ */
+static int
+get_zone_io_cnt(hrtime_t unow, zone_t *zonep, uint_t *rops, uint_t *wops,
+    uint_t *lwops)
+{
+	*rops = calc_zone_cnt(unow, &zonep->zone_rd_ops);
+	*wops = calc_zone_cnt(unow, &zonep->zone_wr_ops);
+	*lwops = calc_zone_cnt(unow, &zonep->zone_lwr_ops);
+
+	DTRACE_PROBE4(zfs__zone__io__cnt, uintptr_t, zonep->zone_id,
+	    uintptr_t, *rops, uintptr_t, *wops, uintptr_t, *lwops);
+
+	return (*rops | *wops | *lwops);
+}
+
+/*
+ * Get the average read/write latency in usecs for the system.
+ */
+static void
+get_sys_avg_lat(hrtime_t unow, uint_t *rlat, uint_t *wlat)
+{
+	*rlat = calc_avg_lat(unow, &rd_lat);
+	*wlat = calc_avg_lat(unow, &wr_lat);
+
+	/*
+	 * In an attempt to improve the accuracy of the throttling algorithm,
+	 * assume that IO operations can't have zero latency.  Instead, assume
+	 * a reasonable lower bound for each operation type. If the actual
+	 * observed latencies are non-zero, use those latency values instead.
+	 */
+	if (*rlat == 0)
+		*rlat = 1000;
+	if (*wlat == 0)
+		*wlat = 1000;
+
+	DTRACE_PROBE2(zfs__zone__sys__avg__lat, uintptr_t, *rlat,
+	    uintptr_t, *wlat);
+}
+
+/*
+ * Find disk utilization for each zone and average utilization for all active
+ * zones.
+ */
+static int
+zfs_zone_wait_adjust_calculate_cb(zone_t *zonep, void *arg)
+{
+	zoneio_stats_t *sp = arg;
+	uint_t rops, wops, lwops;
+
+	if (zonep->zone_id == GLOBAL_ZONEID ||
+	    get_zone_io_cnt(sp->zi_now, zonep, &rops, &wops, &lwops) == 0) {
+		zonep->zone_io_util = 0;
+		return (0);
+	}
+
+	zonep->zone_io_util = (rops * sp->zi_avgrlat) +
+	    (wops * sp->zi_avgwlat) + (lwops * sp->zi_avgwlat);
+	sp->zi_totutil += zonep->zone_io_util;
+
+	if (zonep->zone_io_util > 0) {
+		sp->zi_active++;
+		sp->zi_totpri += zonep->zone_zfs_io_pri;
+	}
+
+	/*
+	 * sdt:::zfs-zone-utilization
+	 *
+	 *	arg0: zone ID
+	 *	arg1: read operations observed during time window
+	 *	arg2: physical write operations observed during time window
+	 *	arg3: logical write ops observed during time window
+	 *	arg4: calculated utilization given read and write ops
+	 *	arg5: I/O priority assigned to this zone
+	 */
+	DTRACE_PROBE6(zfs__zone__utilization, uint_t, zonep->zone_id,
+	    uint_t, rops, uint_t, wops, uint_t, lwops,
+	    uint_t, zonep->zone_io_util, uint_t, zonep->zone_zfs_io_pri);
+
+	return (0);
+}
+
+static void
+zfs_zone_delay_inc(zone_t *zonep)
+{
+	if (zonep->zone_io_delay < zfs_zone_delay_ceiling)
+		zonep->zone_io_delay += zfs_zone_delay_step;
+}
+
+static void
+zfs_zone_delay_dec(zone_t *zonep)
+{
+	if (zonep->zone_io_delay > 0)
+		zonep->zone_io_delay -= zfs_zone_delay_step;
+}
+
+/*
+ * For all zones "far enough" away from the average utilization, increase that
+ * zones delay.  Otherwise, reduce its delay.
+ */
+static int
+zfs_zone_wait_adjust_delay_cb(zone_t *zonep, void *arg)
+{
+	zoneio_stats_t *sp = arg;
+	uint16_t delay = zonep->zone_io_delay;
+	uint_t fairutil = 0;
+
+	zonep->zone_io_util_above_avg = B_FALSE;
+
+	/*
+	 * Given the calculated total utilitzation for all zones, calculate the
+	 * fair share of I/O for this zone.
+	 */
+	if (zfs_zone_priority_enable && sp->zi_totpri > 0) {
+		fairutil = (sp->zi_totutil * zonep->zone_zfs_io_pri) /
+		    sp->zi_totpri;
+	} else if (sp->zi_active > 0) {
+		fairutil = sp->zi_totutil / sp->zi_active;
+	}
+
+	/*
+	 * Adjust each IO's delay.  If the overall delay becomes too high, avoid
+	 * increasing beyond the ceiling value.
+	 */
+	if (zonep->zone_io_util > fairutil && sp->zi_overutil) {
+		zonep->zone_io_util_above_avg = B_TRUE;
+
+		if (sp->zi_active > 1)
+			zfs_zone_delay_inc(zonep);
+	} else if (zonep->zone_io_util < fairutil || sp->zi_underutil ||
+	    sp->zi_active <= 1) {
+		zfs_zone_delay_dec(zonep);
+	}
+
+	/*
+	 * sdt:::zfs-zone-throttle
+	 *
+	 *	arg0: zone ID
+	 *	arg1: old delay for this zone
+	 *	arg2: new delay for this zone
+	 *	arg3: calculated fair I/O utilization
+	 *	arg4: actual I/O utilization
+	 */
+	DTRACE_PROBE5(zfs__zone__throttle, uintptr_t, zonep->zone_id,
+	    uintptr_t, delay, uintptr_t, zonep->zone_io_delay,
+	    uintptr_t, fairutil, uintptr_t, zonep->zone_io_util);
+
+	return (0);
+}
+
+/*
+ * Examine the utilization between different zones, and adjust the delay for
+ * each zone appropriately.
+ */
+static void
+zfs_zone_wait_adjust(hrtime_t unow, hrtime_t last_checked)
+{
+	zoneio_stats_t stats;
+	hrtime_t laggard_udelta = 0;
+
+	(void) bzero(&stats, sizeof (stats));
+
+	stats.zi_now = unow;
+	get_sys_avg_lat(unow, &stats.zi_avgrlat, &stats.zi_avgwlat);
+
+	if (stats.zi_avgrlat > stats.zi_avgwlat * zfs_zone_rw_lat_limit)
+		stats.zi_avgrlat = stats.zi_avgwlat * zfs_zone_rw_lat_limit;
+	else if (stats.zi_avgrlat * zfs_zone_rw_lat_limit < stats.zi_avgwlat)
+		stats.zi_avgwlat = stats.zi_avgrlat * zfs_zone_rw_lat_limit;
+
+	if (zone_walk(zfs_zone_wait_adjust_calculate_cb, &stats) != 0)
+		return;
+
+	/*
+	 * Calculate disk utilization for the most recent period.
+	 */
+	if (zfs_disk_last_rtime == 0 || unow - last_checked <= 0) {
+		stats.zi_diskutil = 0;
+	} else {
+		stats.zi_diskutil =
+		    ((zfs_disk_rtime - zfs_disk_last_rtime) * 100) /
+		    ((unow - last_checked) * 1000);
+	}
+	zfs_disk_last_rtime = zfs_disk_rtime;
+
+	if (unow > zfs_disk_last_laggard)
+		laggard_udelta = unow - zfs_disk_last_laggard;
+
+	/*
+	 * To minimize porpoising, we have three separate states for our
+	 * assessment of I/O performance:  overutilized, underutilized, and
+	 * neither overutilized nor underutilized.  We will increment the
+	 * throttle if a zone is using more than its fair share _and_ I/O
+	 * is overutilized; we will decrement the throttle if a zone is using
+	 * less than its fair share _or_ I/O is underutilized.
+	 */
+	stats.zi_underutil = stats.zi_diskutil < zfs_zone_underutil_threshold ||
+	    laggard_udelta > zfs_zone_laggard_ancient;
+
+	stats.zi_overutil = stats.zi_diskutil > zfs_zone_util_threshold &&
+	    laggard_udelta < zfs_zone_laggard_recent;
+
+	/*
+	 * sdt:::zfs-zone-stats
+	 *
+	 * Statistics observed over the last period:
+	 *
+	 *	arg0: average system read latency
+	 *	arg1: average system write latency
+	 *	arg2: number of active zones
+	 *	arg3: total I/O 'utilization' for all zones
+	 *	arg4: total I/O priority of all active zones
+	 *	arg5: calculated disk utilization
+	 */
+	DTRACE_PROBE6(zfs__zone__stats, uintptr_t, stats.zi_avgrlat,
+	    uintptr_t, stats.zi_avgwlat, uintptr_t, stats.zi_active,
+	    uintptr_t, stats.zi_totutil, uintptr_t, stats.zi_totpri,
+	    uintptr_t, stats.zi_diskutil);
+
+	(void) zone_walk(zfs_zone_wait_adjust_delay_cb, &stats);
+}
+
+/*
+ * Callback used to calculate a zone's IO schedule priority.
+ *
+ * We scan the zones looking for ones with ops in the queue.  Out of those,
+ * we pick the one that calculates to the highest schedule priority.
+ */
+static int
+get_sched_pri_cb(zone_t *zonep, void *arg)
+{
+	int pri;
+	uint_t cnt;
+	zone_q_bump_t *qbp = arg;
+	zio_priority_t p = qbp->zq_queue;
+
+	cnt = zonep->zone_zfs_queued[p];
+	if (cnt == 0) {
+		zonep->zone_zfs_weight = 0;
+		return (0);
+	}
+
+	/*
+	 * On each pass, increment the zone's weight.  We use this as input
+	 * to the calculation to prevent starvation.  The value is reset
+	 * each time we issue an IO for this zone so zones which haven't
+	 * done any IO over several iterations will see their weight max
+	 * out.
+	 */
+	if (zonep->zone_zfs_weight < SCHED_WEIGHT_MAX)
+		zonep->zone_zfs_weight++;
+
+	/*
+	 * This zone's IO priority is the inverse of the number of IOs
+	 * the zone has enqueued * zone's configured priority * weight.
+	 * The queue depth has already been scaled by 10 to avoid problems
+	 * with int rounding.
+	 *
+	 * This means that zones with fewer IOs in the queue will get
+	 * preference unless other zone's assigned priority pulls them
+	 * ahead.  The weight is factored in to help ensure that zones
+	 * which haven't done IO in a while aren't getting starved.
+	 */
+	pri = (qbp->zq_qdepth / cnt) *
+	    zonep->zone_zfs_io_pri * zonep->zone_zfs_weight;
+
+	/*
+	 * If this zone has a higher priority than what we found so far,
+	 * it becomes the new leading contender.
+	 */
+	if (pri > qbp->zq_priority) {
+		qbp->zq_zoneid = zonep->zone_id;
+		qbp->zq_priority = pri;
+		qbp->zq_wt = zonep->zone_zfs_weight;
+	}
+	return (0);
+}
+
+/*
+ * See if we need to bump a zone's zio to the head of the queue. This is only
+ * done on the two synchronous I/O queues (see the block comment on the
+ * zfs_zone_schedule function). We get the correct vdev_queue_class_t and
+ * queue depth from our caller.
+ *
+ * For single-threaded synchronous processes a zone cannot get more than
+ * 1 op into the queue at a time unless the zone is running multiple processes
+ * in parallel.  This can cause an imbalance in performance if there are zones
+ * with many parallel processes (and ops in the queue) vs. other zones which
+ * are doing simple single-threaded processes, such as interactive tasks in the
+ * shell.  These zones can get backed up behind a deep queue and their IO
+ * performance will appear to be very poor as a result.  This can make the
+ * zone work badly for interactive behavior.
+ *
+ * The scheduling algorithm kicks in once we start to get a deeper queue.
+ * Once that occurs, we look at all of the zones to see which one calculates
+ * to the highest priority.  We bump that zone's first zio to the head of the
+ * queue.
+ *
+ * We use a counter on the zone so that we can quickly find how many ops each
+ * zone has in the queue without having to search the entire queue itself.
+ * This scales better since the number of zones is expected to be on the
+ * order of 10-100 whereas the queue depth can be in the range of 50-2000.
+ * In addition, since the zio's in the queue only have the zoneid, we would
+ * have to look up the zone for each zio enqueued and that means the overhead
+ * for scanning the queue each time would be much higher.
+ *
+ * In all cases, we fall back to simply pulling the next op off the queue
+ * if something should go wrong.
+ */
+static zio_t *
+get_next_zio(vdev_queue_class_t *vqc, int qdepth, zio_priority_t p,
+    avl_tree_t *tree)
+{
+	zone_q_bump_t qbump;
+	zio_t *zp = NULL, *zphead;
+	int cnt = 0;
+
+	/* To avoid problems with int rounding, scale the queue depth by 10 */
+	qbump.zq_qdepth = qdepth * 10;
+	qbump.zq_priority = 0;
+	qbump.zq_zoneid = 0;
+	qbump.zq_queue = p;
+	(void) zone_walk(get_sched_pri_cb, &qbump);
+
+	zphead = avl_first(tree);
+
+	/* Check if the scheduler didn't pick a zone for some reason!? */
+	if (qbump.zq_zoneid != 0) {
+		for (zp = avl_first(tree); zp != NULL;
+		    zp = avl_walk(tree, zp, AVL_AFTER)) {
+			if (zp->io_zoneid == qbump.zq_zoneid)
+				break;
+			cnt++;
+		}
+	}
+
+	if (zp == NULL) {
+		zp = zphead;
+	} else if (zp != zphead) {
+		/*
+		 * Only fire the probe if we actually picked a different zio
+		 * than the one already at the head of the queue.
+		 */
+		DTRACE_PROBE4(zfs__zone__sched__bump, uint_t, zp->io_zoneid,
+		    uint_t, cnt, int, qbump.zq_priority, int, qbump.zq_wt);
+	}
+
+	return (zp);
+}
+
+/*
+ * Add our zone ID to the zio so we can keep track of which zones are doing
+ * what, even when the current thread processing the zio is not associated
+ * with the zone (e.g. the kernel taskq which pushes out TX groups).
+ */
+void
+zfs_zone_zio_init(zio_t *zp)
+{
+	zone_t	*zonep = curzone;
+
+	zp->io_zoneid = zonep->zone_id;
+}
+
+/*
+ * Track and throttle IO operations per zone. Called from:
+ *   - dmu_tx_count_write for (logical) write ops (both dataset and zvol writes
+ *     go through this path)
+ *   - arc_read for read ops that miss the ARC (both dataset and zvol)
+ * For each operation, increment that zone's counter based on the type of
+ * operation, then delay the operation, if necessary.
+ *
+ * There are three basic ways that we can see write ops:
+ * 1) An application does write syscalls.  Those ops go into a TXG which
+ *    we'll count here.  Sometime later a kernel taskq thread (we'll see the
+ *    vdev IO as zone 0) will perform some number of physical writes to commit
+ *    the TXG to disk.  Those writes are not associated with the zone which
+ *    made the write syscalls and the number of operations is not correlated
+ *    between the taskq and the zone. We only see logical writes in this
+ *    function, we see the physcial writes in the zfs_zone_zio_start and
+ *    zfs_zone_zio_done functions.
+ * 2) An application opens a file with O_SYNC.  Each write will result in
+ *    an operation which we'll see here plus a low-level vdev write from
+ *    that zone.
+ * 3) An application does write syscalls followed by an fsync().  We'll
+ *    count the writes going into a TXG here.  We'll also see some number
+ *    (usually much smaller, maybe only 1) of low-level vdev writes from this
+ *    zone when the fsync is performed, plus some other low-level vdev writes
+ *    from the taskq in zone 0 (are these metadata writes?).
+ *
+ * 4) In addition to the above, there are misc. system-level writes, such as
+ *    writing out dirty pages to swap, or sync(2) calls, which will be handled
+ *    by the global zone and which we count but don't generally worry about.
+ *
+ * Because of the above, we can see writes twice; first because this function
+ * is always called by a zone thread for logical writes, but then we also will
+ * count the physical writes that are performed at a low level via
+ * zfs_zone_zio_start. Without this, it can look like a non-global zone never
+ * writes (case 1). Depending on when the TXG is synced, the counts may be in
+ * the same sample bucket or in a different one.
+ *
+ * Tracking read operations is simpler due to their synchronous semantics.  The
+ * zfs_read function -- called as a result of a read(2) syscall -- will always
+ * retrieve the data to be read through arc_read and we only come into this
+ * function when we have an arc miss.
+ */
+void
+zfs_zone_io_throttle(zfs_zone_iop_type_t type)
+{
+	zone_t *zonep = curzone;
+	hrtime_t unow, last_checked;
+	uint16_t wait;
+
+	unow = GET_USEC_TIME;
+
+	/*
+	 * Only bump the counter for logical writes here.  The counters for
+	 * tracking physical IO operations are handled in zfs_zone_zio_done.
+	 */
+	if (type == ZFS_ZONE_IOP_LOGICAL_WRITE) {
+		mutex_enter(&zonep->zone_stg_io_lock);
+		add_iop(zonep, unow, type, 0);
+		mutex_exit(&zonep->zone_stg_io_lock);
+	}
+
+	if (!zfs_zone_delay_enable)
+		return;
+
+	/*
+	 * If the zone's I/O priority is set to zero, don't throttle that zone's
+	 * operations at all.
+	 */
+	if (zonep->zone_zfs_io_pri == 0)
+		return;
+
+	/*
+	 * XXX There's a potential race here in that more than one thread may
+	 * update the zone delays concurrently.  The worst outcome is corruption
+	 * of our data to track each zone's IO, so the algorithm may make
+	 * incorrect throttling decisions until the data is refreshed.
+	 */
+	last_checked = zfs_zone_last_checked;
+	if ((unow - last_checked) > zfs_zone_adjust_time) {
+		zfs_zone_last_checked = unow;
+		zfs_zone_wait_adjust(unow, last_checked);
+	}
+
+	if ((wait = zonep->zone_io_delay) > 0) {
+		/*
+		 * If this is a write and we're doing above normal TXG
+		 * syncing, then throttle for longer than normal.
+		 */
+		if (type == ZFS_ZONE_IOP_LOGICAL_WRITE &&
+		    (txg_cnt > 1 || txg_sync_rate > 1))
+			wait *= zfs_zone_txg_throttle_scale;
+
+		/*
+		 * sdt:::zfs-zone-wait
+		 *
+		 *	arg0: zone ID
+		 *	arg1: type of IO operation
+		 *	arg2: time to delay (in us)
+		 */
+		DTRACE_PROBE3(zfs__zone__wait, uintptr_t, zonep->zone_id,
+		    uintptr_t, type, uintptr_t, wait);
+
+		drv_usecwait(wait);
+
+		if (zonep->zone_vfs_stats != NULL) {
+			atomic_inc_64(&zonep->zone_vfs_stats->
+			    zv_delay_cnt.value.ui64);
+			atomic_add_64(&zonep->zone_vfs_stats->
+			    zv_delay_time.value.ui64, wait);
+		}
+	}
+}
+
+/*
+ * XXX Ignore the pool pointer parameter for now.
+ *
+ * Keep track to see if the TXG sync rate is running above the expected rate.
+ * If so, this implies that we are filling TXG's at a high rate due to a heavy
+ * write workload.  We use this as input into the zone throttle.
+ *
+ * This function is called every 5 seconds (zfs_txg_timeout) under a normal
+ * write load.  In this case, the sync rate is going to be 1.  When there
+ * is a heavy write load, TXG's fill up fast and the sync thread will write
+ * the TXG more frequently (perhaps once a second).  In this case the rate
+ * will be > 1.  The sync rate is a lagging indicator since it can be up
+ * to 5 seconds old.  We use the txg_cnt to keep track of the rate in the
+ * current 5 second interval and txg_sync_rate to keep track of the previous
+ * 5 second interval.  In that way we don't have a period (1 or more seconds)
+ * where the txg_cnt == 0 and we cut back on throttling even though the rate
+ * is still high.
+ */
+/*ARGSUSED*/
+void
+zfs_zone_report_txg_sync(void *dp)
+{
+	uint_t now;
+
+	txg_cnt++;
+	now = (uint_t)(gethrtime() / NANOSEC);
+	if ((now - txg_last_check) >= zfs_txg_timeout) {
+		txg_sync_rate = txg_cnt / 2;
+		txg_cnt = 0;
+		txg_last_check = now;
+	}
+}
+
+hrtime_t
+zfs_zone_txg_delay()
+{
+	if (curzone->zone_io_util_above_avg)
+		return (zfs_zone_txg_delay_nsec);
+
+	return (MSEC2NSEC(10));
+}
+
+/*
+ * Called from vdev_disk_io_start when an IO hits the end of the zio pipeline
+ * and is issued.
+ * Keep track of start time for latency calculation in zfs_zone_zio_done.
+ */
+void
+zfs_zone_zio_start(zio_t *zp)
+{
+	zone_t	*zonep;
+
+	/*
+	 * I/Os of type ZIO_TYPE_IOCTL are used to flush the disk cache, not for
+	 * an actual I/O operation.  Ignore those operations as they relate to
+	 * throttling and scheduling.
+	 */
+	if (zp->io_type == ZIO_TYPE_IOCTL)
+		return;
+
+	if ((zonep = zone_find_by_id(zp->io_zoneid)) == NULL)
+		return;
+
+	mutex_enter(&zonep->zone_zfs_lock);
+	if (zp->io_type == ZIO_TYPE_READ)
+		kstat_runq_enter(&zonep->zone_zfs_rwstats);
+	zonep->zone_zfs_weight = 0;
+	mutex_exit(&zonep->zone_zfs_lock);
+
+	mutex_enter(&zfs_disk_lock);
+	zp->io_dispatched = gethrtime();
+
+	if (zfs_disk_rcnt++ != 0)
+		zfs_disk_rtime += (zp->io_dispatched - zfs_disk_rlastupdate);
+	zfs_disk_rlastupdate = zp->io_dispatched;
+	mutex_exit(&zfs_disk_lock);
+
+	zone_rele(zonep);
+}
+
+/*
+ * Called from vdev_disk_io_done when an IO completes.
+ * Increment our counter for zone ops.
+ * Calculate the IO latency avg. for this zone.
+ */
+void
+zfs_zone_zio_done(zio_t *zp)
+{
+	zone_t	*zonep;
+	hrtime_t now, unow, udelta;
+
+	if (zp->io_type == ZIO_TYPE_IOCTL)
+		return;
+
+	if (zp->io_dispatched == 0)
+		return;
+
+	if ((zonep = zone_find_by_id(zp->io_zoneid)) == NULL)
+		return;
+
+	now = gethrtime();
+	unow = NANO_TO_MICRO(now);
+	udelta = unow - NANO_TO_MICRO(zp->io_dispatched);
+
+	mutex_enter(&zonep->zone_zfs_lock);
+
+	/*
+	 * To calculate the wsvc_t average, keep a cumulative sum of all the
+	 * wait time before each I/O was dispatched.  Since most writes are
+	 * asynchronous, only track the wait time for read I/Os.
+	 */
+	if (zp->io_type == ZIO_TYPE_READ) {
+		zonep->zone_zfs_rwstats.reads++;
+		zonep->zone_zfs_rwstats.nread += zp->io_size;
+
+		zonep->zone_zfs_stats->zz_waittime.value.ui64 +=
+		    zp->io_dispatched - zp->io_timestamp;
+
+		kstat_runq_exit(&zonep->zone_zfs_rwstats);
+	} else {
+		zonep->zone_zfs_rwstats.writes++;
+		zonep->zone_zfs_rwstats.nwritten += zp->io_size;
+	}
+
+	mutex_exit(&zonep->zone_zfs_lock);
+
+	mutex_enter(&zfs_disk_lock);
+	zfs_disk_rcnt--;
+	zfs_disk_rtime += (now - zfs_disk_rlastupdate);
+	zfs_disk_rlastupdate = now;
+
+	if (udelta > zfs_zone_laggard_threshold)
+		zfs_disk_last_laggard = unow;
+
+	mutex_exit(&zfs_disk_lock);
+
+	if (zfs_zone_delay_enable) {
+		mutex_enter(&zonep->zone_stg_io_lock);
+		add_iop(zonep, unow, zp->io_type == ZIO_TYPE_READ ?
+		    ZFS_ZONE_IOP_READ : ZFS_ZONE_IOP_WRITE, udelta);
+		mutex_exit(&zonep->zone_stg_io_lock);
+	}
+
+	zone_rele(zonep);
+
+	/*
+	 * sdt:::zfs-zone-latency
+	 *
+	 *	arg0: zone ID
+	 *	arg1: type of I/O operation
+	 *	arg2: I/O latency (in us)
+	 */
+	DTRACE_PROBE3(zfs__zone__latency, uintptr_t, zp->io_zoneid,
+	    uintptr_t, zp->io_type, uintptr_t, udelta);
+}
+
+void
+zfs_zone_zio_dequeue(zio_t *zp)
+{
+	zio_priority_t p;
+	zone_t	*zonep;
+
+	p = zp->io_priority;
+	if (p != ZIO_PRIORITY_SYNC_READ && p != ZIO_PRIORITY_SYNC_WRITE)
+		return;
+
+	/* We depend on p being defined as either 0 or 1 */
+	ASSERT(p < 2);
+
+	if ((zonep = zone_find_by_id(zp->io_zoneid)) == NULL)
+		return;
+
+	mutex_enter(&zonep->zone_stg_io_lock);
+	ASSERT(zonep->zone_zfs_queued[p] > 0);
+	if (zonep->zone_zfs_queued[p] == 0)
+		cmn_err(CE_WARN, "zfs_zone_zio_dequeue: count==0");
+	else
+		zonep->zone_zfs_queued[p]--;
+	mutex_exit(&zonep->zone_stg_io_lock);
+	zone_rele(zonep);
+}
+
+void
+zfs_zone_zio_enqueue(zio_t *zp)
+{
+	zio_priority_t p;
+	zone_t	*zonep;
+
+	p = zp->io_priority;
+	if (p != ZIO_PRIORITY_SYNC_READ && p != ZIO_PRIORITY_SYNC_WRITE)
+		return;
+
+	/* We depend on p being defined as either 0 or 1 */
+	ASSERT(p < 2);
+
+	if ((zonep = zone_find_by_id(zp->io_zoneid)) == NULL)
+		return;
+
+	mutex_enter(&zonep->zone_stg_io_lock);
+	zonep->zone_zfs_queued[p]++;
+	mutex_exit(&zonep->zone_stg_io_lock);
+	zone_rele(zonep);
+}
+
+/*
+ * Called from vdev_queue_io_to_issue. That function is where zio's are listed
+ * in FIFO order on one of the sync queues, then pulled off (by
+ * vdev_queue_io_remove) and issued.  We potentially do zone-based scheduling
+ * here to find a zone's zio deeper in the sync queue and issue that instead
+ * of simply doing FIFO.
+ *
+ * We only do zone-based zio scheduling for the two synchronous I/O queues
+ * (read & write). These queues are normally serviced in FIFO order but we
+ * may decide to move a zone's zio to the head of the line. A typical I/O
+ * load will be mostly synchronous reads and some asynchronous writes (which
+ * are scheduled differently due to transaction groups). There will also be
+ * some synchronous writes for those apps which want to ensure their data is on
+ * disk. We want to make sure that a zone with a single-threaded app (e.g. the
+ * shell) that is doing synchronous I/O (typically reads) isn't penalized by
+ * other zones which are doing lots of synchronous I/O because they have many
+ * running threads.
+ *
+ * The vq->vq_lock mutex is held when we're executing this function so we
+ * can safely access the "last zone" variable on the queue.
+ */
+zio_t *
+zfs_zone_schedule(vdev_queue_t *vq, zio_priority_t p, avl_index_t idx,
+    avl_tree_t *tree)
+{
+	vdev_queue_class_t *vqc = &vq->vq_class[p];
+	uint_t cnt;
+	zoneid_t last_zone;
+	zio_t *zio;
+
+	ASSERT(MUTEX_HELD(&vq->vq_lock));
+
+	/* Don't change the order on the LBA ordered queues. */
+	if (p != ZIO_PRIORITY_SYNC_READ && p != ZIO_PRIORITY_SYNC_WRITE)
+		return (avl_nearest(tree, idx, AVL_AFTER));
+
+	/* We depend on p being defined as either 0 or 1 */
+	ASSERT(p < 2);
+
+	cnt = avl_numnodes(tree);
+	last_zone = vq->vq_last_zone_id;
+
+	/*
+	 * If there are only a few zios in the queue then just issue the head.
+	 * If there are more than a few zios already queued up, then use
+	 * scheduling to get the next zio.
+	 */
+	if (!zfs_zone_schedule_enable || cnt < zfs_zone_schedule_thresh)
+		zio = avl_nearest(tree, idx, AVL_AFTER);
+	else
+		zio = get_next_zio(vqc, cnt, p, tree);
+
+	vq->vq_last_zone_id = zio->io_zoneid;
+
+	/*
+	 * Probe with 4 args; the number of IOs in the queue, the zone that
+	 * was last scheduled off this queue, the zone that was associated
+	 * with the next IO that is scheduled, and which queue (priority).
+	 */
+	DTRACE_PROBE4(zfs__zone__sched, uint_t, cnt, uint_t, last_zone,
+	    uint_t, zio->io_zoneid, uint_t, p);
+
+	return (zio);
+}
+
+#endif
diff --git a/usr/src/uts/common/fs/zfs/zil.c b/usr/src/uts/common/fs/zfs/zil.c
index f48828dc90..e3e22fbbdb 100644
--- a/usr/src/uts/common/fs/zfs/zil.c
+++ b/usr/src/uts/common/fs/zfs/zil.c
@@ -21,6 +21,7 @@
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  */
 
 /* Portions Copyright 2010 Robert Milkowski */
@@ -1802,9 +1803,18 @@ zil_close(zilog_t *zilog)
 	if (lwb != NULL)
 		txg = lwb->lwb_max_txg;
 	mutex_exit(&zilog->zl_lock);
-	if (txg)
+
+	if (zilog_is_dirty(zilog)) {
+		/*
+		 * If we're dirty, always wait for the current transaction --
+		 * our lwb_max_txg may be in the past.
+		 */
+		txg_wait_synced(zilog->zl_dmu_pool, 0);
+	} else if (txg) {
 		txg_wait_synced(zilog->zl_dmu_pool, txg);
-	ASSERT(!zilog_is_dirty(zilog));
+	}
+
+	VERIFY(!zilog_is_dirty(zilog));
 
 	taskq_destroy(zilog->zl_clean_taskq);
 	zilog->zl_clean_taskq = NULL;
diff --git a/usr/src/uts/common/fs/zfs/zio.c b/usr/src/uts/common/fs/zfs/zio.c
index 51aa558505..549ac134d0 100644
--- a/usr/src/uts/common/fs/zfs/zio.c
+++ b/usr/src/uts/common/fs/zfs/zio.c
@@ -22,6 +22,7 @@
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
  * Copyright (c) 2011 Nexenta Systems, Inc. All rights reserved.
+ * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
  */
 
 #include <sys/sysmacros.h>
@@ -39,6 +40,7 @@
 #include <sys/ddt.h>
 #include <sys/blkptr.h>
 #include <sys/zfeature.h>
+#include <sys/zfs_zone.h>
 
 /*
  * ==========================================================================
@@ -557,11 +559,14 @@ zio_create(zio_t *pio, spa_t *spa, uint64_t txg, const blkptr_t *bp,
 		zio->io_bookmark = *zb;
 
 	if (pio != NULL) {
+		zio->io_zoneid = pio->io_zoneid;
 		if (zio->io_logical == NULL)
 			zio->io_logical = pio->io_logical;
 		if (zio->io_child_type == ZIO_CHILD_GANG)
 			zio->io_gang_leader = pio->io_gang_leader;
 		zio_add_child(pio, zio);
+	} else {
+		zfs_zone_zio_init(zio);
 	}
 
 	return (zio);
diff --git a/usr/src/uts/common/fs/zfs/zvol.c b/usr/src/uts/common/fs/zfs/zvol.c
index 80888103fe..f681b1dc65 100644
--- a/usr/src/uts/common/fs/zfs/zvol.c
+++ b/usr/src/uts/common/fs/zfs/zvol.c
@@ -25,7 +25,7 @@
  *
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -83,6 +83,7 @@
 #include <sys/zvol.h>
 #include <sys/dumphdr.h>
 #include <sys/zil_impl.h>
+#include <sys/sdt.h>
 #include <sys/dbuf.h>
 #include <sys/dmu_tx.h>
 #include <sys/zfeature.h>
@@ -137,6 +138,11 @@ typedef struct zvol_state {
 #define	ZVOL_EXCL	0x4
 #define	ZVOL_WCE	0x8
 
+#define	VOP_LATENCY_10MS	10000000
+#define	VOP_LATENCY_100MS	100000000
+#define	VOP_LATENCY_1S		1000000000
+#define	VOP_LATENCY_10S		10000000000
+
 /*
  * zvol maximum transfer in one DMU tx.
  */
@@ -1378,6 +1384,9 @@ zvol_read(dev_t dev, uio_t *uio, cred_t *cr)
 	uint64_t volsize;
 	rl_t *rl;
 	int error = 0;
+	zone_t *zonep = curzone;
+	uint64_t tot_bytes;
+	hrtime_t start, lat;
 
 	zv = zfsdev_get_soft_state(minor, ZSST_ZVOL);
 	if (zv == NULL)
@@ -1394,6 +1403,14 @@ zvol_read(dev_t dev, uio_t *uio, cred_t *cr)
 		return (error);
 	}
 
+	DTRACE_PROBE3(zvol__uio__start, dev_t, dev, uio_t *, uio, int, 0);
+
+	mutex_enter(&zonep->zone_vfs_lock);
+	kstat_runq_enter(&zonep->zone_vfs_rwstats);
+	mutex_exit(&zonep->zone_vfs_lock);
+	start = gethrtime();
+	tot_bytes = 0;
+
 	rl = zfs_range_lock(&zv->zv_znode, uio->uio_loffset, uio->uio_resid,
 	    RL_READER);
 	while (uio->uio_resid > 0 && uio->uio_loffset < volsize) {
@@ -1403,6 +1420,7 @@ zvol_read(dev_t dev, uio_t *uio, cred_t *cr)
 		if (bytes > volsize - uio->uio_loffset)
 			bytes = volsize - uio->uio_loffset;
 
+		tot_bytes += bytes;
 		error =  dmu_read_uio(zv->zv_objset, ZVOL_OBJ, uio, bytes);
 		if (error) {
 			/* convert checksum errors into IO errors */
@@ -1412,6 +1430,39 @@ zvol_read(dev_t dev, uio_t *uio, cred_t *cr)
 		}
 	}
 	zfs_range_unlock(rl);
+
+	mutex_enter(&zonep->zone_vfs_lock);
+	zonep->zone_vfs_rwstats.reads++;
+	zonep->zone_vfs_rwstats.nread += tot_bytes;
+	kstat_runq_exit(&zonep->zone_vfs_rwstats);
+	mutex_exit(&zonep->zone_vfs_lock);
+
+	lat = gethrtime() - start;
+
+	if (lat >= VOP_LATENCY_10MS) {
+		zone_vfs_kstat_t *zvp;
+
+		zvp = zonep->zone_vfs_stats;
+		if (lat < VOP_LATENCY_100MS) {
+			atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+		} else if (lat < VOP_LATENCY_1S) {
+			atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+			atomic_inc_64(&zvp->zv_100ms_ops.value.ui64);
+		} else if (lat < VOP_LATENCY_10S) {
+			atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+			atomic_inc_64(&zvp->zv_100ms_ops.value.ui64);
+			atomic_inc_64(&zvp->zv_1s_ops.value.ui64);
+		} else {
+			atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+			atomic_inc_64(&zvp->zv_100ms_ops.value.ui64);
+			atomic_inc_64(&zvp->zv_1s_ops.value.ui64);
+			atomic_inc_64(&zvp->zv_10s_ops.value.ui64);
+		}
+	}
+
+	DTRACE_PROBE4(zvol__uio__done, dev_t, dev, uio_t *, uio, int, 0, int,
+	    error);
+
 	return (error);
 }
 
@@ -1425,6 +1476,9 @@ zvol_write(dev_t dev, uio_t *uio, cred_t *cr)
 	rl_t *rl;
 	int error = 0;
 	boolean_t sync;
+	zone_t *zonep = curzone;
+	uint64_t tot_bytes;
+	hrtime_t start, lat;
 
 	zv = zfsdev_get_soft_state(minor, ZSST_ZVOL);
 	if (zv == NULL)
@@ -1441,6 +1495,19 @@ zvol_write(dev_t dev, uio_t *uio, cred_t *cr)
 		return (error);
 	}
 
+	DTRACE_PROBE3(zvol__uio__start, dev_t, dev, uio_t *, uio, int, 1);
+
+	/*
+	 * For the purposes of VFS kstat consumers, the "waitq" calculation is
+	 * repurposed as the active queue for zvol write operations. There's no
+	 * actual wait queue for zvol operations.
+	 */
+	mutex_enter(&zonep->zone_vfs_lock);
+	kstat_waitq_enter(&zonep->zone_vfs_rwstats);
+	mutex_exit(&zonep->zone_vfs_lock);
+	start = gethrtime();
+	tot_bytes = 0;
+
 	sync = !(zv->zv_flags & ZVOL_WCE) ||
 	    (zv->zv_objset->os_sync == ZFS_SYNC_ALWAYS);
 
@@ -1454,6 +1521,7 @@ zvol_write(dev_t dev, uio_t *uio, cred_t *cr)
 		if (bytes > volsize - off)	/* don't write past the end */
 			bytes = volsize - off;
 
+		tot_bytes += bytes;
 		dmu_tx_hold_write(tx, ZVOL_OBJ, off, bytes);
 		error = dmu_tx_assign(tx, TXG_WAIT);
 		if (error) {
@@ -1471,6 +1539,39 @@ zvol_write(dev_t dev, uio_t *uio, cred_t *cr)
 	zfs_range_unlock(rl);
 	if (sync)
 		zil_commit(zv->zv_zilog, ZVOL_OBJ);
+
+	DTRACE_PROBE4(zvol__uio__done, dev_t, dev, uio_t *, uio, int, 1, int,
+	    error);
+
+	mutex_enter(&zonep->zone_vfs_lock);
+	zonep->zone_vfs_rwstats.writes++;
+	zonep->zone_vfs_rwstats.nwritten += tot_bytes;
+	kstat_waitq_exit(&zonep->zone_vfs_rwstats);
+	mutex_exit(&zonep->zone_vfs_lock);
+
+	lat = gethrtime() - start;
+
+	if (lat >= VOP_LATENCY_10MS) {
+		zone_vfs_kstat_t *zvp;
+
+		zvp = zonep->zone_vfs_stats;
+		if (lat < VOP_LATENCY_100MS) {
+			atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+		} else if (lat < VOP_LATENCY_1S) {
+			atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+			atomic_inc_64(&zvp->zv_100ms_ops.value.ui64);
+		} else if (lat < VOP_LATENCY_10S) {
+			atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+			atomic_inc_64(&zvp->zv_100ms_ops.value.ui64);
+			atomic_inc_64(&zvp->zv_1s_ops.value.ui64);
+		} else {
+			atomic_inc_64(&zvp->zv_10ms_ops.value.ui64);
+			atomic_inc_64(&zvp->zv_100ms_ops.value.ui64);
+			atomic_inc_64(&zvp->zv_1s_ops.value.ui64);
+			atomic_inc_64(&zvp->zv_10s_ops.value.ui64);
+		}
+	}
+
 	return (error);
 }
 
diff --git a/usr/src/uts/common/inet/ilb/ilb_conn.c b/usr/src/uts/common/inet/ilb/ilb_conn.c
index 5029552f19..7f79d41dd6 100644
--- a/usr/src/uts/common/inet/ilb/ilb_conn.c
+++ b/usr/src/uts/common/inet/ilb/ilb_conn.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
  */
 
 #include <sys/sysmacros.h>
@@ -365,6 +366,7 @@ ilb_conn_hash_fini(ilb_stack_t *ilbs)
 {
 	uint32_t i;
 	ilb_conn_t *connp;
+	ilb_conn_hash_t *hash;
 
 	if (ilbs->ilbs_c2s_conn_hash == NULL) {
 		ASSERT(ilbs->ilbs_s2c_conn_hash == NULL);
@@ -388,10 +390,10 @@ ilb_conn_hash_fini(ilb_stack_t *ilbs)
 	ilbs->ilbs_conn_taskq = NULL;
 
 	/* Then remove all the conns. */
+	hash = ilbs->ilbs_s2c_conn_hash;
 	for (i = 0; i < ilbs->ilbs_conn_hash_size; i++) {
-		while ((connp = ilbs->ilbs_s2c_conn_hash->ilb_connp) != NULL) {
-			ilbs->ilbs_s2c_conn_hash->ilb_connp =
-			    connp->conn_s2c_next;
+		while ((connp = hash[i].ilb_connp) != NULL) {
+			hash[i].ilb_connp = connp->conn_s2c_next;
 			ILB_SERVER_REFRELE(connp->conn_server);
 			if (connp->conn_rule_cache.topo == ILB_TOPO_IMPL_NAT) {
 				ilb_nat_src_entry_t *ent;
diff --git a/usr/src/uts/common/inet/inet_hash.h b/usr/src/uts/common/inet/inet_hash.h
new file mode 100644
index 0000000000..a790a797d1
--- /dev/null
+++ b/usr/src/uts/common/inet/inet_hash.h
@@ -0,0 +1,37 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _INET_INET_HASH_H
+#define	_INET_INET_HASH_H
+
+/*
+ * Common packet hashing routines shared across MAC, UDP, and others.
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define	INET_PKT_HASH_L2	0x01
+#define	INET_PKT_HASH_L3	0x02
+#define	INET_PKT_HASH_L4	0x04
+
+extern uint64_t inet_pkt_hash(uint_t, mblk_t *, uint8_t);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _INET_INET_HASH_H */
diff --git a/usr/src/uts/common/inet/ip/igmp.c b/usr/src/uts/common/inet/ip/igmp.c
index 411a781e6d..423bb2a816 100644
--- a/usr/src/uts/common/inet/ip/igmp.c
+++ b/usr/src/uts/common/inet/ip/igmp.c
@@ -149,12 +149,16 @@ igmp_start_timers(unsigned next, ip_stack_t *ipst)
 	}
 	if (ipst->ips_igmp_timeout_id == 0) {
 		/*
-		 * The timer is inactive. We need to start a timer
+		 * The timer is inactive. We need to start a timer if we haven't
+		 * been asked to quiesce.
 		 */
 		ipst->ips_igmp_time_to_next = next;
-		ipst->ips_igmp_timeout_id = timeout(igmp_timeout_handler,
-		    (void *)ipst, MSEC_TO_TICK(ipst->ips_igmp_time_to_next));
-		ipst->ips_igmp_timer_scheduled_last = ddi_get_lbolt();
+		if (ipst->ips_igmp_timer_quiesce != B_TRUE) {
+			ipst->ips_igmp_timeout_id =
+			    timeout(igmp_timeout_handler, (void *)ipst,
+			    MSEC_TO_TICK(ipst->ips_igmp_time_to_next));
+			ipst->ips_igmp_timer_scheduled_last = ddi_get_lbolt();
+		}
 		ipst->ips_igmp_timer_setter_active = B_FALSE;
 		mutex_exit(&ipst->ips_igmp_timer_lock);
 		return;
@@ -193,7 +197,8 @@ igmp_start_timers(unsigned next, ip_stack_t *ipst)
 		ASSERT(ipst->ips_igmp_timeout_id != 0);
 		ipst->ips_igmp_timeout_id = 0;
 	}
-	if (ipst->ips_igmp_time_to_next != 0) {
+	if (ipst->ips_igmp_time_to_next != 0 &&
+	    ipst->ips_igmp_timer_quiesce != B_TRUE) {
 		ipst->ips_igmp_time_to_next =
 		    MIN(ipst->ips_igmp_time_to_next, next);
 		ipst->ips_igmp_timeout_id = timeout(igmp_timeout_handler,
@@ -235,12 +240,16 @@ mld_start_timers(unsigned next, ip_stack_t *ipst)
 	}
 	if (ipst->ips_mld_timeout_id == 0) {
 		/*
-		 * The timer is inactive. We need to start a timer
+		 * The timer is inactive. We need to start a timer, if we
+		 * haven't been asked to quiesce.
 		 */
 		ipst->ips_mld_time_to_next = next;
-		ipst->ips_mld_timeout_id = timeout(mld_timeout_handler,
-		    (void *)ipst, MSEC_TO_TICK(ipst->ips_mld_time_to_next));
-		ipst->ips_mld_timer_scheduled_last = ddi_get_lbolt();
+		if (ipst->ips_mld_timer_quiesce != B_TRUE) {
+			ipst->ips_mld_timeout_id = timeout(mld_timeout_handler,
+			    (void *)ipst,
+			    MSEC_TO_TICK(ipst->ips_mld_time_to_next));
+			ipst->ips_mld_timer_scheduled_last = ddi_get_lbolt();
+		}
 		ipst->ips_mld_timer_setter_active = B_FALSE;
 		mutex_exit(&ipst->ips_mld_timer_lock);
 		return;
@@ -279,7 +288,8 @@ mld_start_timers(unsigned next, ip_stack_t *ipst)
 		ASSERT(ipst->ips_mld_timeout_id != 0);
 		ipst->ips_mld_timeout_id = 0;
 	}
-	if (ipst->ips_mld_time_to_next != 0) {
+	if (ipst->ips_mld_time_to_next != 0 &&
+	    ipst->ips_mld_timer_quiesce == B_FALSE) {
 		ipst->ips_mld_time_to_next =
 		    MIN(ipst->ips_mld_time_to_next, next);
 		ipst->ips_mld_timeout_id = timeout(mld_timeout_handler,
@@ -1737,8 +1747,12 @@ igmp_slowtimo(void *arg)
 	rw_exit(&ipst->ips_ill_g_lock);
 	ill_mcast_timer_start(ipst);
 	mutex_enter(&ipst->ips_igmp_slowtimeout_lock);
-	ipst->ips_igmp_slowtimeout_id = timeout(igmp_slowtimo, (void *)ipst,
-	    MSEC_TO_TICK(MCAST_SLOWTIMO_INTERVAL));
+	if (ipst->ips_igmp_slowtimeout_quiesce != B_TRUE) {
+		ipst->ips_igmp_slowtimeout_id = timeout(igmp_slowtimo,
+		    (void *)ipst, MSEC_TO_TICK(MCAST_SLOWTIMO_INTERVAL));
+	} else {
+		ipst->ips_igmp_slowtimeout_id = 0;
+	}
 	mutex_exit(&ipst->ips_igmp_slowtimeout_lock);
 }
 
@@ -1796,8 +1810,12 @@ mld_slowtimo(void *arg)
 	rw_exit(&ipst->ips_ill_g_lock);
 	ill_mcast_timer_start(ipst);
 	mutex_enter(&ipst->ips_mld_slowtimeout_lock);
-	ipst->ips_mld_slowtimeout_id = timeout(mld_slowtimo, (void *)ipst,
-	    MSEC_TO_TICK(MCAST_SLOWTIMO_INTERVAL));
+	if (ipst->ips_mld_slowtimeout_quiesce != B_TRUE) {
+		ipst->ips_mld_slowtimeout_id = timeout(mld_slowtimo,
+		    (void *)ipst, MSEC_TO_TICK(MCAST_SLOWTIMO_INTERVAL));
+	} else {
+		ipst->ips_mld_slowtimeout_id = 0;
+	}
 	mutex_exit(&ipst->ips_mld_slowtimeout_lock);
 }
 
diff --git a/usr/src/uts/common/inet/ip/ip.c b/usr/src/uts/common/inet/ip/ip.c
index c8eda26549..f006e83a1f 100644
--- a/usr/src/uts/common/inet/ip/ip.c
+++ b/usr/src/uts/common/inet/ip/ip.c
@@ -4421,6 +4421,27 @@ ip_stack_fini(netstackid_t stackid, void *arg)
 	dce_stack_destroy(ipst);
 	ip_mrouter_stack_destroy(ipst);
 
+	/*
+	 * Quiesce all of our timers. Note we set the quiesce flags before we
+	 * call untimeout. The slowtimers may actually kick off another instance
+	 * of the non-slow timers.
+	 */
+	mutex_enter(&ipst->ips_igmp_timer_lock);
+	ipst->ips_igmp_timer_quiesce = B_TRUE;
+	mutex_exit(&ipst->ips_igmp_timer_lock);
+
+	mutex_enter(&ipst->ips_mld_timer_lock);
+	ipst->ips_mld_timer_quiesce = B_TRUE;
+	mutex_exit(&ipst->ips_mld_timer_lock);
+
+	mutex_enter(&ipst->ips_igmp_slowtimeout_lock);
+	ipst->ips_igmp_slowtimeout_quiesce = B_TRUE;
+	mutex_exit(&ipst->ips_igmp_slowtimeout_lock);
+
+	mutex_enter(&ipst->ips_mld_slowtimeout_lock);
+	ipst->ips_mld_slowtimeout_quiesce = B_TRUE;
+	mutex_exit(&ipst->ips_mld_slowtimeout_lock);
+
 	ret = untimeout(ipst->ips_igmp_timeout_id);
 	if (ret == -1) {
 		ASSERT(ipst->ips_igmp_timeout_id == 0);
diff --git a/usr/src/uts/common/inet/ip/ip_attr.c b/usr/src/uts/common/inet/ip/ip_attr.c
index 85ee142dfc..c350d67c2d 100644
--- a/usr/src/uts/common/inet/ip/ip_attr.c
+++ b/usr/src/uts/common/inet/ip/ip_attr.c
@@ -909,6 +909,11 @@ ixa_safe_copy(ip_xmit_attr_t *src, ip_xmit_attr_t *ixa)
 	 */
 	if (ixa->ixa_free_flags & IXA_FREE_CRED)
 		crhold(ixa->ixa_cred);
+
+	/*
+	 * There is no cleanup in progress on this new copy.
+	 */
+	ixa->ixa_tcpcleanup = IXATC_IDLE;
 }
 
 /*
diff --git a/usr/src/uts/common/inet/ip/ip_if.c b/usr/src/uts/common/inet/ip/ip_if.c
index d15d86d248..e31f96ebb8 100644
--- a/usr/src/uts/common/inet/ip/ip_if.c
+++ b/usr/src/uts/common/inet/ip/ip_if.c
@@ -24,6 +24,9 @@
  * Copyright (c) 2013 by Delphix. All rights reserved.
  * Copyright (c) 2014, OmniTI Computer Consulting, Inc. All rights reserved.
  */
+/*
+ * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ */
 
 /*
  * This file contains the interface control functions for IP.
@@ -224,6 +227,8 @@ static	void	ipif_trace_cleanup(const ipif_t *);
 
 static	void	ill_dlpi_clear_deferred(ill_t *ill);
 
+static	void	phyint_flags_init(phyint_t *, t_uscalar_t);
+
 /*
  * if we go over the memory footprint limit more than once in this msec
  * interval, we'll start pruning aggressively.
@@ -282,7 +287,6 @@ static ip_m_t   ip_m_tbl[] = {
 	    ip_nodef_v6intfid }
 };
 
-static ill_t	ill_null;		/* Empty ILL for init. */
 char	ipif_loopback_name[] = "lo0";
 
 /* These are used by all IP network modules. */
@@ -3331,50 +3335,42 @@ ipsq_init(ill_t *ill, boolean_t enter)
 }
 
 /*
- * ill_init is called by ip_open when a device control stream is opened.
- * It does a few initializations, and shoots a DL_INFO_REQ message down
- * to the driver.  The response is later picked up in ip_rput_dlpi and
- * used to set up default mechanisms for talking to the driver.  (Always
- * called as writer.)
- *
- * If this function returns error, ip_open will call ip_close which in
- * turn will call ill_delete to clean up any memory allocated here that
- * is not yet freed.
+ * Here we perform initialisation of the ill_t common to both regular
+ * interface ILLs and the special loopback ILL created by ill_lookup_on_name.
  */
-int
-ill_init(queue_t *q, ill_t *ill)
+static int
+ill_init_common(ill_t *ill, queue_t *q, boolean_t isv6, boolean_t is_loopback,
+    boolean_t ipsq_enter)
 {
-	int	count;
-	dl_info_req_t	*dlir;
-	mblk_t	*info_mp;
+	int count;
 	uchar_t *frag_ptr;
 
-	/*
-	 * The ill is initialized to zero by mi_alloc*(). In addition
-	 * some fields already contain valid values, initialized in
-	 * ip_open(), before we reach here.
-	 */
 	mutex_init(&ill->ill_lock, NULL, MUTEX_DEFAULT, 0);
 	mutex_init(&ill->ill_saved_ire_lock, NULL, MUTEX_DEFAULT, NULL);
 	ill->ill_saved_ire_cnt = 0;
 
-	ill->ill_rq = q;
-	ill->ill_wq = WR(q);
+	if (is_loopback) {
+		ill->ill_max_frag = isv6 ? ip_loopback_mtu_v6plus :
+		    ip_loopback_mtuplus;
+		/*
+		 * No resolver here.
+		 */
+		ill->ill_net_type = IRE_LOOPBACK;
+	} else {
+		ill->ill_rq = q;
+		ill->ill_wq = WR(q);
+		ill->ill_ppa = UINT_MAX;
+	}
 
-	info_mp = allocb(MAX(sizeof (dl_info_req_t), sizeof (dl_info_ack_t)),
-	    BPRI_HI);
-	if (info_mp == NULL)
-		return (ENOMEM);
+	ill->ill_isv6 = isv6;
 
 	/*
 	 * Allocate sufficient space to contain our fragment hash table and
 	 * the device name.
 	 */
 	frag_ptr = (uchar_t *)mi_zalloc(ILL_FRAG_HASH_TBL_SIZE + 2 * LIFNAMSIZ);
-	if (frag_ptr == NULL) {
-		freemsg(info_mp);
+	if (frag_ptr == NULL)
 		return (ENOMEM);
-	}
 	ill->ill_frag_ptr = frag_ptr;
 	ill->ill_frag_free_num_pkts = 0;
 	ill->ill_last_frag_clean_time = 0;
@@ -3387,35 +3383,30 @@ ill_init(queue_t *q, ill_t *ill)
 
 	ill->ill_phyint = (phyint_t *)mi_zalloc(sizeof (phyint_t));
 	if (ill->ill_phyint == NULL) {
-		freemsg(info_mp);
 		mi_free(frag_ptr);
 		return (ENOMEM);
 	}
 
 	mutex_init(&ill->ill_phyint->phyint_lock, NULL, MUTEX_DEFAULT, 0);
-	/*
-	 * For now pretend this is a v4 ill. We need to set phyint_ill*
-	 * at this point because of the following reason. If we can't
-	 * enter the ipsq at some point and cv_wait, the writer that
-	 * wakes us up tries to locate us using the list of all phyints
-	 * in an ipsq and the ills from the phyint thru the phyint_ill*.
-	 * If we don't set it now, we risk a missed wakeup.
-	 */
-	ill->ill_phyint->phyint_illv4 = ill;
-	ill->ill_ppa = UINT_MAX;
+	if (isv6) {
+		ill->ill_phyint->phyint_illv6 = ill;
+	} else {
+		ill->ill_phyint->phyint_illv4 = ill;
+	}
+	if (is_loopback) {
+		phyint_flags_init(ill->ill_phyint, DL_LOOP);
+	}
+
 	list_create(&ill->ill_nce, sizeof (nce_t), offsetof(nce_t, nce_node));
 
 	ill_set_inputfn(ill);
 
-	if (!ipsq_init(ill, B_TRUE)) {
-		freemsg(info_mp);
+	if (!ipsq_init(ill, ipsq_enter)) {
 		mi_free(frag_ptr);
 		mi_free(ill->ill_phyint);
 		return (ENOMEM);
 	}
 
-	ill->ill_state_flags |= ILL_LL_SUBNET_PENDING;
-
 	/* Frag queue limit stuff */
 	ill->ill_frag_count = 0;
 	ill->ill_ipf_gen = 0;
@@ -3440,6 +3431,53 @@ ill_init(queue_t *q, ill_t *ill)
 	ill->ill_max_buf = ND_MAX_Q;
 	ill->ill_refcnt = 0;
 
+	return (0);
+}
+
+/*
+ * ill_init is called by ip_open when a device control stream is opened.
+ * It does a few initializations, and shoots a DL_INFO_REQ message down
+ * to the driver.  The response is later picked up in ip_rput_dlpi and
+ * used to set up default mechanisms for talking to the driver.  (Always
+ * called as writer.)
+ *
+ * If this function returns error, ip_open will call ip_close which in
+ * turn will call ill_delete to clean up any memory allocated here that
+ * is not yet freed.
+ *
+ * Note: ill_ipst and ill_zoneid must be set before calling ill_init.
+ */
+int
+ill_init(queue_t *q, ill_t *ill)
+{
+	int ret;
+	dl_info_req_t	*dlir;
+	mblk_t	*info_mp;
+
+	info_mp = allocb(MAX(sizeof (dl_info_req_t), sizeof (dl_info_ack_t)),
+	    BPRI_HI);
+	if (info_mp == NULL)
+		return (ENOMEM);
+
+	/*
+	 * The ill is initialized to zero by mi_alloc*(). In addition
+	 * some fields already contain valid values, initialized in
+	 * ip_open(), before we reach here.
+	 *
+	 * For now pretend this is a v4 ill. We need to set phyint_ill*
+	 * at this point because of the following reason. If we can't
+	 * enter the ipsq at some point and cv_wait, the writer that
+	 * wakes us up tries to locate us using the list of all phyints
+	 * in an ipsq and the ills from the phyint thru the phyint_ill*.
+	 * If we don't set it now, we risk a missed wakeup.
+	 */
+	if ((ret = ill_init_common(ill, q, B_FALSE, B_FALSE, B_TRUE)) != 0) {
+		freemsg(info_mp);
+		return (ret);
+	}
+
+	ill->ill_state_flags |= ILL_LL_SUBNET_PENDING;
+
 	/* Send down the Info Request to the driver. */
 	info_mp->b_datap->db_type = M_PCPROTO;
 	dlir = (dl_info_req_t *)info_mp->b_rptr;
@@ -3687,10 +3725,8 @@ ill_lookup_on_name(char *name, boolean_t do_alloc, boolean_t isv6,
 	if (ill == NULL)
 		goto done;
 
-	*ill = ill_null;
-	mutex_init(&ill->ill_lock, NULL, MUTEX_DEFAULT, NULL);
+	bzero(ill, sizeof (*ill));
 	ill->ill_ipst = ipst;
-	list_create(&ill->ill_nce, sizeof (nce_t), offsetof(nce_t, nce_node));
 	netstack_hold(ipst->ips_netstack);
 	/*
 	 * For exclusive stacks we set the zoneid to zero
@@ -3698,25 +3734,12 @@ ill_lookup_on_name(char *name, boolean_t do_alloc, boolean_t isv6,
 	 */
 	ill->ill_zoneid = GLOBAL_ZONEID;
 
-	ill->ill_phyint = (phyint_t *)mi_zalloc(sizeof (phyint_t));
-	if (ill->ill_phyint == NULL)
+	if (ill_init_common(ill, NULL, isv6, B_TRUE, B_FALSE) != 0)
 		goto done;
 
-	if (isv6)
-		ill->ill_phyint->phyint_illv6 = ill;
-	else
-		ill->ill_phyint->phyint_illv4 = ill;
-	mutex_init(&ill->ill_phyint->phyint_lock, NULL, MUTEX_DEFAULT, 0);
-	phyint_flags_init(ill->ill_phyint, DL_LOOP);
-
-	if (isv6) {
-		ill->ill_isv6 = B_TRUE;
-		ill->ill_max_frag = ip_loopback_mtu_v6plus;
-	} else {
-		ill->ill_max_frag = ip_loopback_mtuplus;
-	}
 	if (!ill_allocate_mibs(ill))
 		goto done;
+
 	ill->ill_current_frag = ill->ill_max_frag;
 	ill->ill_mtu = ill->ill_max_frag;	/* Initial value */
 	ill->ill_mc_mtu = ill->ill_mtu;
@@ -3732,21 +3755,6 @@ ill_lookup_on_name(char *name, boolean_t do_alloc, boolean_t isv6,
 	/* Set ill_dlpi_pending for ipsq_current_finish() to work properly */
 	ill->ill_dlpi_pending = DL_PRIM_INVAL;
 
-	rw_init(&ill->ill_mcast_lock, NULL, RW_DEFAULT, NULL);
-	mutex_init(&ill->ill_mcast_serializer, NULL, MUTEX_DEFAULT, NULL);
-	ill->ill_global_timer = INFINITY;
-	ill->ill_mcast_v1_time = ill->ill_mcast_v2_time = 0;
-	ill->ill_mcast_v1_tset = ill->ill_mcast_v2_tset = 0;
-	ill->ill_mcast_rv = MCAST_DEF_ROBUSTNESS;
-	ill->ill_mcast_qi = MCAST_DEF_QUERY_INTERVAL;
-
-	/* No resolver here. */
-	ill->ill_net_type = IRE_LOOPBACK;
-
-	/* Initialize the ipsq */
-	if (!ipsq_init(ill, B_FALSE))
-		goto done;
-
 	ipif = ipif_allocate(ill, 0L, IRE_LOOPBACK, B_TRUE, B_TRUE, NULL);
 	if (ipif == NULL)
 		goto done;
@@ -3775,17 +3783,10 @@ ill_lookup_on_name(char *name, boolean_t do_alloc, boolean_t isv6,
 	 * Chain us in at the end of the ill list. hold the ill
 	 * before we make it globally visible. 1 for the lookup.
 	 */
-	ill->ill_refcnt = 0;
 	ill_refhold(ill);
 
-	ill->ill_frag_count = 0;
-	ill->ill_frag_free_num_pkts = 0;
-	ill->ill_last_frag_clean_time = 0;
-
 	ipsq = ill->ill_phyint->phyint_ipsq;
 
-	ill_set_inputfn(ill);
-
 	if (ill_glist_insert(ill, "lo", isv6) != 0)
 		cmn_err(CE_PANIC, "cannot insert loopback interface");
 
diff --git a/usr/src/uts/common/inet/ip/ip_squeue.c b/usr/src/uts/common/inet/ip/ip_squeue.c
index 33a2fa5935..dedb4dadcc 100644
--- a/usr/src/uts/common/inet/ip/ip_squeue.c
+++ b/usr/src/uts/common/inet/ip/ip_squeue.c
@@ -163,7 +163,7 @@ ip_squeue_create(pri_t pri)
 {
 	squeue_t *sqp;
 
-	sqp = squeue_create(ip_squeue_worker_wait, pri);
+	sqp = squeue_create(ip_squeue_worker_wait, pri, B_TRUE);
 	ASSERT(sqp != NULL);
 	if (ip_squeue_create_callback != NULL)
 		ip_squeue_create_callback(sqp);
diff --git a/usr/src/uts/common/inet/ip/ip_tunables.c b/usr/src/uts/common/inet/ip/ip_tunables.c
index 58e3b59ff3..dda05a316d 100644
--- a/usr/src/uts/common/inet/ip/ip_tunables.c
+++ b/usr/src/uts/common/inet/ip/ip_tunables.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 1991, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  * Copyright (c) 2013 by Delphix. All rights reserved.
  * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
diff --git a/usr/src/uts/common/inet/ip/ipsecesp.c b/usr/src/uts/common/inet/ip/ipsecesp.c
index c325e8dc26..2ca770ebe9 100644
--- a/usr/src/uts/common/inet/ip/ipsecesp.c
+++ b/usr/src/uts/common/inet/ip/ipsecesp.c
@@ -234,8 +234,7 @@ esp_kstat_init(ipsecesp_stack_t *espstack, netstackid_t stackid)
 {
 	espstack->esp_ksp = kstat_create_netstack("ipsecesp", 0, "esp_stat",
 	    "net", KSTAT_TYPE_NAMED,
-	    sizeof (esp_kstats_t) / sizeof (kstat_named_t),
-	    KSTAT_FLAG_PERSISTENT, stackid);
+	    sizeof (esp_kstats_t) / sizeof (kstat_named_t), 0, stackid);
 
 	if (espstack->esp_ksp == NULL || espstack->esp_ksp->ks_data == NULL)
 		return (B_FALSE);
diff --git a/usr/src/uts/common/inet/ip_stack.h b/usr/src/uts/common/inet/ip_stack.h
index e46a3b6a3c..ab954c7c31 100644
--- a/usr/src/uts/common/inet/ip_stack.h
+++ b/usr/src/uts/common/inet/ip_stack.h
@@ -205,6 +205,7 @@ struct ip_stack {
 	int		ips_igmp_deferred_next;
 	timeout_id_t	ips_igmp_timeout_id;
 	boolean_t	ips_igmp_timer_setter_active;
+	boolean_t	ips_igmp_timer_quiesce;
 
 	/* Following protected by mld_timer_lock */
 	int 		ips_mld_time_to_next;	/* Time since last timeout */
@@ -212,14 +213,17 @@ struct ip_stack {
 	int		ips_mld_deferred_next;
 	timeout_id_t	ips_mld_timeout_id;
 	boolean_t	ips_mld_timer_setter_active;
+	boolean_t	ips_mld_timer_quiesce;
 
 	/* Protected by igmp_slowtimeout_lock */
 	timeout_id_t	ips_igmp_slowtimeout_id;
 	kmutex_t	ips_igmp_slowtimeout_lock;
+	boolean_t	ips_igmp_slowtimeout_quiesce;
 
 	/* Protected by mld_slowtimeout_lock */
 	timeout_id_t	ips_mld_slowtimeout_id;
 	kmutex_t	ips_mld_slowtimeout_lock;
+	boolean_t	ips_mld_slowtimeout_quiesce;
 
 	/* IPv4 forwarding table */
 	struct radix_node_head *ips_ip_ftable;
diff --git a/usr/src/uts/common/inet/ipf/ip_fil_solaris.c b/usr/src/uts/common/inet/ipf/ip_fil_solaris.c
index f958ca2261..227d2075f8 100644
--- a/usr/src/uts/common/inet/ipf/ip_fil_solaris.c
+++ b/usr/src/uts/common/inet/ipf/ip_fil_solaris.c
@@ -83,6 +83,14 @@ static	int	ipf_hook6_loop_out __P((hook_event_token_t, hook_data_t,
 static	int	ipf_hook6_loop_in __P((hook_event_token_t, hook_data_t,
     void *));
 static	int     ipf_hook6 __P((hook_data_t, int, int, void *));
+static	int	ipf_hookvndl3v4_in __P((hook_event_token_t, hook_data_t,
+    void *));
+static	int	ipf_hookvndl3v6_in __P((hook_event_token_t, hook_data_t,
+    void *));
+static	int	ipf_hookvndl3v4_out __P((hook_event_token_t, hook_data_t,
+    void *));
+static	int	ipf_hookvndl3v6_out __P((hook_event_token_t, hook_data_t,
+    void *));
 extern	int	ipf_geniter __P((ipftoken_t *, ipfgeniter_t *, ipf_stack_t *));
 extern	int	ipf_frruleiter __P((void *, int, void *, ipf_stack_t *));
 
@@ -152,6 +160,16 @@ char *hook6_loop_in_gz = 	"ipfilter_hook6_loop_in_gz";
 char *hook6_loop_out = 		"ipfilter_hook6_loop_out";
 char *hook6_loop_out_gz = 	"ipfilter_hook6_loop_out_gz";
 
+/* vnd IPv4/v6 hook names */
+char *hook4_vnd_in =		"ipfilter_hookvndl3v4_in";
+char *hook4_vnd_in_gz =		"ipfilter_hookvndl3v4_in_gz";
+char *hook6_vnd_in =		"ipfilter_hookvndl3v6_in";
+char *hook6_vnd_in_gz =		"ipfilter_hookvndl3v6_in_gz";
+char *hook4_vnd_out =		"ipfilter_hookvndl3v4_out";
+char *hook4_vnd_out_gz =	"ipfilter_hookvndl3v4_out_gz";
+char *hook6_vnd_out =		"ipfilter_hookvndl3v6_out";
+char *hook6_vnd_out_gz =	"ipfilter_hookvndl3v6_out_gz";
+
 /* ------------------------------------------------------------------------ */
 /* Function:    ipldetach                                                   */
 /* Returns:     int - 0 == success, else error.                             */
@@ -248,6 +266,31 @@ ipf_stack_t *ifs;
 		ifs->ifs_ipf_ipv4 = NULL;
 	}
 
+	/*
+	 * Remove VND hooks
+	 */
+	if (ifs->ifs_ipf_vndl3v4 != NULL) {
+		UNDO_HOOK(ifs_ipf_vndl3v4, ifs_hookvndl3v4_physical_in,
+		    NH_PHYSICAL_IN, ifs_ipfhookvndl3v4_in);
+		UNDO_HOOK(ifs_ipf_vndl3v4, ifs_hookvndl3v4_physical_out,
+		    NH_PHYSICAL_OUT, ifs_ipfhookvndl3v4_out);
+
+		if (net_protocol_release(ifs->ifs_ipf_vndl3v4) != 0)
+			goto detach_failed;
+		ifs->ifs_ipf_vndl3v4 = NULL;
+	}
+
+	if (ifs->ifs_ipf_vndl3v6 != NULL) {
+		UNDO_HOOK(ifs_ipf_vndl3v6, ifs_hookvndl3v6_physical_in,
+		    NH_PHYSICAL_IN, ifs_ipfhookvndl3v6_in);
+		UNDO_HOOK(ifs_ipf_vndl3v6, ifs_hookvndl3v6_physical_out,
+		    NH_PHYSICAL_OUT, ifs_ipfhookvndl3v6_out);
+
+		if (net_protocol_release(ifs->ifs_ipf_vndl3v6) != 0)
+			goto detach_failed;
+		ifs->ifs_ipf_vndl3v6 = NULL;
+	}
+
 #undef UNDO_HOOK
 
 #ifdef	IPFDEBUG
@@ -445,6 +488,48 @@ ipf_stack_t *ifs;
 	}
 
 	/*
+	 * Add VND INET hooks
+	 */
+	ifs->ifs_ipf_vndl3v4 = net_protocol_lookup(id, NHF_VND_INET);
+	if (ifs->ifs_ipf_vndl3v4 == NULL)
+		goto hookup_failed;
+
+	HOOK_INIT_GZ_BEFORE(ifs->ifs_ipfhookvndl3v4_in, ipf_hookvndl3v4_in,
+	    hook4_vnd_in, hook4_vnd_in_gz, ifs);
+	HOOK_INIT_GZ_AFTER(ifs->ifs_ipfhookvndl3v4_out, ipf_hookvndl3v4_out,
+	    hook4_vnd_out, hook4_vnd_out_gz, ifs);
+	ifs->ifs_hookvndl3v4_physical_in = (net_hook_register(ifs->ifs_ipf_vndl3v4,
+	    NH_PHYSICAL_IN, ifs->ifs_ipfhookvndl3v4_in) == 0);
+	if (!ifs->ifs_hookvndl3v4_physical_in)
+		goto hookup_failed;
+
+	ifs->ifs_hookvndl3v4_physical_out = (net_hook_register(ifs->ifs_ipf_vndl3v4,
+	    NH_PHYSICAL_OUT, ifs->ifs_ipfhookvndl3v4_out) == 0);
+	if (!ifs->ifs_hookvndl3v4_physical_out)
+		goto hookup_failed;
+
+
+	/*
+	 * VND INET6 hooks
+	 */
+	ifs->ifs_ipf_vndl3v6 = net_protocol_lookup(id, NHF_VND_INET6);
+	if (ifs->ifs_ipf_vndl3v6 == NULL)
+		goto hookup_failed;
+
+	HOOK_INIT_GZ_BEFORE(ifs->ifs_ipfhookvndl3v6_in, ipf_hookvndl3v6_in,
+	    hook6_vnd_in, hook6_vnd_in_gz, ifs);
+	HOOK_INIT_GZ_AFTER(ifs->ifs_ipfhookvndl3v6_out, ipf_hookvndl3v6_out,
+	    hook6_vnd_out, hook6_vnd_out_gz, ifs);
+	ifs->ifs_hookvndl3v6_physical_in = (net_hook_register(ifs->ifs_ipf_vndl3v6,
+	    NH_PHYSICAL_IN, ifs->ifs_ipfhookvndl3v6_in) == 0);
+	if (!ifs->ifs_hookvndl3v6_physical_in)
+		goto hookup_failed;
+
+	ifs->ifs_hookvndl3v6_physical_out = (net_hook_register(ifs->ifs_ipf_vndl3v6,
+	    NH_PHYSICAL_OUT, ifs->ifs_ipfhookvndl3v6_out) == 0);
+	if (!ifs->ifs_hookvndl3v6_physical_out)
+		goto hookup_failed;
+	/*
 	 * Reacquire ipf_global, now it is safe.
 	 */
 	WRITE_ENTER(&ifs->ifs_ipf_global);
@@ -1011,7 +1096,6 @@ cred_t *cp;
 		return ENXIO;
 	unit = isp->ipfs_minor;
 
-
         /*
 	 * ipf_find_stack returns with a read lock on ifs_ipf_global
 	 */
@@ -2045,6 +2129,42 @@ int ipf_hook6_loop_out(hook_event_token_t token, hook_data_t info, void *arg)
 }
 
 /* ------------------------------------------------------------------------ */
+/* Function:    ipf_hookvndl3_in					    */
+/* Returns:     int - 0 == packet ok, else problem, free packet if not done */
+/* Parameters:  event(I)     - pointer to event                             */
+/*              info(I)      - pointer to hook information for firewalling  */
+/*                                                                          */
+/* The vnd hooks are private hooks to ON. They represents a layer 2         */
+/* datapath generally used to implement virtual machines. The driver sends  */
+/* along L3 packets of either type IP or IPv6. The ethertype to distinguish */
+/* them is in the upper 16 bits while the remaining bits are the            */
+/* traditional packet hook flags.                                           */
+/*                                                                          */
+/* They end up calling the appropriate traditional ip hooks.                */
+/* ------------------------------------------------------------------------ */
+/*ARGSUSED*/
+int ipf_hookvndl3v4_in(hook_event_token_t token, hook_data_t info, void *arg)
+{
+	return ipf_hook4_in(token, info, arg);
+}
+
+int ipf_hookvndl3v6_in(hook_event_token_t token, hook_data_t info, void *arg)
+{
+	return ipf_hook6_in(token, info, arg);
+}
+
+/*ARGSUSED*/
+int ipf_hookvndl3v4_out(hook_event_token_t token, hook_data_t info, void *arg)
+{
+	return ipf_hook4_out(token, info, arg);
+}
+
+int ipf_hookvndl3v6_out(hook_event_token_t token, hook_data_t info, void *arg)
+{
+	return ipf_hook6_out(token, info, arg);
+}
+
+/* ------------------------------------------------------------------------ */
 /* Function:    ipf_hook4_loop_in                                           */
 /* Returns:     int - 0 == packet ok, else problem, free packet if not done */
 /* Parameters:  event(I)     - pointer to event                             */
diff --git a/usr/src/uts/common/inet/ipf/ipf.conf b/usr/src/uts/common/inet/ipf/ipf.conf
index 6b36f9fdbf..f49e024a72 100644
--- a/usr/src/uts/common/inet/ipf/ipf.conf
+++ b/usr/src/uts/common/inet/ipf/ipf.conf
@@ -1,3 +1,8 @@
 #
 #
 name="ipf" parent="pseudo" instance=0;
+
+# Increase the state table limits. fr_statemax should be ~70% of fr_statesize,
+# and both should be prime numbers
+fr_statesize=151007;
+fr_statemax=113279;
diff --git a/usr/src/uts/common/inet/ipf/netinet/ipf_stack.h b/usr/src/uts/common/inet/ipf/netinet/ipf_stack.h
index a239f1c1ca..9aa2478c6a 100644
--- a/usr/src/uts/common/inet/ipf/netinet/ipf_stack.h
+++ b/usr/src/uts/common/inet/ipf/netinet/ipf_stack.h
@@ -125,6 +125,10 @@ struct ipf_stack {
 	hook_t		*ifs_ipfhook6_loop_in;
 	hook_t		*ifs_ipfhook6_loop_out;
 	hook_t		*ifs_ipfhook6_nicevents;
+	hook_t		*ifs_ipfhookvndl3v4_in;
+	hook_t		*ifs_ipfhookvndl3v6_in;
+	hook_t		*ifs_ipfhookvndl3v4_out;
+	hook_t		*ifs_ipfhookvndl3v6_out;
 
 	/* flags to indicate whether hooks are registered. */
 	boolean_t	ifs_hook4_physical_in;
@@ -137,10 +141,16 @@ struct ipf_stack {
 	boolean_t	ifs_hook6_nic_events;
 	boolean_t	ifs_hook6_loopback_in;
 	boolean_t	ifs_hook6_loopback_out;
+	boolean_t	ifs_hookvndl3v4_physical_in;
+	boolean_t	ifs_hookvndl3v6_physical_in;
+	boolean_t	ifs_hookvndl3v4_physical_out;
+	boolean_t	ifs_hookvndl3v6_physical_out;
 
 	int		ifs_ipf_loopback;
 	net_handle_t	ifs_ipf_ipv4;
 	net_handle_t	ifs_ipf_ipv6;
+	net_handle_t	ifs_ipf_vndl3v4;
+	net_handle_t	ifs_ipf_vndl3v6;
 
 	/* ip_auth.c */
 	int			ifs_fr_authsize;
diff --git a/usr/src/uts/common/inet/ipf/solaris.c b/usr/src/uts/common/inet/ipf/solaris.c
index c541f4dddc..5d56debc31 100644
--- a/usr/src/uts/common/inet/ipf/solaris.c
+++ b/usr/src/uts/common/inet/ipf/solaris.c
@@ -625,7 +625,6 @@ ipf_stack_shutdown(const netid_t id, void *arg)
 /*
  * Destroy things for ipf for one stack.
  */
-/* ARGSUSED */
 static void
 ipf_stack_destroy_one(const netid_t id, ipf_stack_t *ifs)
 {
diff --git a/usr/src/uts/common/inet/sockmods/datafilt.c b/usr/src/uts/common/inet/sockmods/datafilt.c
new file mode 100644
index 0000000000..6e1171de46
--- /dev/null
+++ b/usr/src/uts/common/inet/sockmods/datafilt.c
@@ -0,0 +1,116 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2012, OmniTI Computer Consulting, Inc. All rights reserved.
+ */
+
+/*
+ * This file implements a socketfilter used to deter TCP connections.
+ * To defer a connection means to delay the return of accept(3SOCKET)
+ * until at least one byte is ready to be read(2). This filter may be
+ * applied automatically or programmatically through the use of
+ * soconfig(1M) and setsockopt(3SOCKET).
+ */
+
+#include <sys/kmem.h>
+#include <sys/systm.h>
+#include <sys/stropts.h>
+#include <sys/strsun.h>
+#include <sys/socketvar.h>
+#include <sys/sockfilter.h>
+#include <sys/note.h>
+#include <sys/taskq.h>
+
+#define	DATAFILT_MODULE "datafilt"
+
+static struct modlmisc dataf_modlmisc = {
+	&mod_miscops,
+	"Kernel data-ready socket filter"
+};
+
+static struct modlinkage dataf_modlinkage = {
+	MODREV_1,
+	&dataf_modlmisc,
+	NULL
+};
+
+static sof_rval_t
+dataf_attach_passive_cb(sof_handle_t handle, sof_handle_t ph,
+    void *parg, struct sockaddr *laddr, socklen_t laddrlen,
+    struct sockaddr *faddr, socklen_t faddrlen, void **cookiep)
+{
+	_NOTE(ARGUNUSED(handle, ph, parg, laddr, laddrlen, faddr, faddrlen,
+	cookiep));
+	return (SOF_RVAL_DEFER);
+}
+
+static void
+dataf_detach_cb(sof_handle_t handle, void *cookie, cred_t *cr)
+{
+	_NOTE(ARGUNUSED(handle, cookie, cr));
+}
+
+static mblk_t *
+dataf_data_in_cb(sof_handle_t handle, void *cookie, mblk_t *mp, int flags,
+    size_t *lenp)
+{
+	_NOTE(ARGUNUSED(cookie, flags, lenp));
+
+	if (mp != NULL && MBLKL(mp) > 0) {
+		sof_newconn_ready(handle);
+		sof_bypass(handle);
+	}
+
+	return (mp);
+}
+
+static sof_ops_t dataf_ops = {
+	.sofop_attach_passive = dataf_attach_passive_cb,
+	.sofop_detach = dataf_detach_cb,
+	.sofop_data_in = dataf_data_in_cb
+};
+
+int
+_init(void)
+{
+	int err;
+
+	/*
+	 * This module is safe to attach even after some preliminary socket
+	 * setup calls have taken place. See the comment for SOF_ATT_SAFE.
+	 */
+	err = sof_register(SOF_VERSION, DATAFILT_MODULE, &dataf_ops,
+	    SOF_ATT_SAFE);
+	if (err != 0)
+		return (err);
+	if ((err = mod_install(&dataf_modlinkage)) != 0)
+		(void) sof_unregister(DATAFILT_MODULE);
+
+	return (err);
+}
+
+int
+_fini(void)
+{
+	int err;
+
+	if ((err = sof_unregister(DATAFILT_MODULE)) != 0)
+		return (err);
+
+	return (mod_remove(&dataf_modlinkage));
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&dataf_modlinkage, modinfop));
+}
diff --git a/usr/src/uts/common/inet/squeue.c b/usr/src/uts/common/inet/squeue.c
index 2e08dc359b..1009f0700f 100644
--- a/usr/src/uts/common/inet/squeue.c
+++ b/usr/src/uts/common/inet/squeue.c
@@ -23,7 +23,7 @@
  */
 
 /*
- * Copyright 2012 Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
  */
 
 /*
@@ -61,6 +61,10 @@
  * connection are processed on that squeue. The connection ("conn") to
  * squeue mapping is stored in "conn_t" member "conn_sqp".
  *
+ * If the squeue is not related to TCP/IP, then the value of sqp->sq_isip is
+ * false and it will not have an associated conn_t, which means many aspects of
+ * the system, such as polling and swtiching squeues will not be used.
+ *
  * Since the processing of the connection cuts across multiple layers
  * but still allows packets for different connnection to be processed on
  * other CPU/squeues, squeues are also termed as "Vertical Perimeter" or
@@ -244,7 +248,7 @@ squeue_init(void)
 
 /* ARGSUSED */
 squeue_t *
-squeue_create(clock_t wait, pri_t pri)
+squeue_create(clock_t wait, pri_t pri, boolean_t isip)
 {
 	squeue_t *sqp = kmem_cache_alloc(squeue_cache, KM_SLEEP);
 
@@ -260,11 +264,36 @@ squeue_create(clock_t wait, pri_t pri)
 
 	sqp->sq_enter = squeue_enter;
 	sqp->sq_drain = squeue_drain;
+	sqp->sq_isip = isip;
 
 	return (sqp);
 }
 
 /*
+ * We need to kill the threads and then clean up. We should VERIFY that
+ * polling is disabled so we don't have to worry about disassociating from
+ * MAC/IP/etc.
+ */
+void
+squeue_destroy(squeue_t *sqp)
+{
+	kt_did_t worker, poll;
+	mutex_enter(&sqp->sq_lock);
+	VERIFY(!(sqp->sq_state & (SQS_POLL_THR_QUIESCED |
+	    SQS_POLL_QUIESCE_DONE | SQS_PAUSE | SQS_EXIT)));
+	worker = sqp->sq_worker->t_did;
+	poll = sqp->sq_poll_thr->t_did;
+	sqp->sq_state |= SQS_EXIT;
+	cv_signal(&sqp->sq_poll_cv);
+	cv_signal(&sqp->sq_worker_cv);
+	mutex_exit(&sqp->sq_lock);
+
+	thread_join(poll);
+	thread_join(worker);
+	kmem_cache_free(squeue_cache, sqp);
+}
+
+/*
  * Bind squeue worker thread to the specified CPU, given by CPU id.
  * If the CPU id  value is -1, bind the worker thread to the value
  * specified in sq_bind field. If a thread is already bound to a
@@ -475,18 +504,21 @@ squeue_enter(squeue_t *sqp, mblk_t *mp, mblk_t *tail, uint32_t cnt,
 			 * Handle squeue switching. More details in the
 			 * block comment at the top of the file
 			 */
-			if (connp->conn_sqp == sqp) {
+			if (sqp->sq_isip == B_FALSE || connp->conn_sqp == sqp) {
 				SQUEUE_DBG_SET(sqp, mp, proc, connp,
 				    tag);
-				connp->conn_on_sqp = B_TRUE;
+				if (sqp->sq_isip == B_TRUE)
+					connp->conn_on_sqp = B_TRUE;
 				DTRACE_PROBE3(squeue__proc__start, squeue_t *,
 				    sqp, mblk_t *, mp, conn_t *, connp);
 				(*proc)(connp, mp, sqp, ira);
 				DTRACE_PROBE2(squeue__proc__end, squeue_t *,
 				    sqp, conn_t *, connp);
-				connp->conn_on_sqp = B_FALSE;
+				if (sqp->sq_isip == B_TRUE) {
+					connp->conn_on_sqp = B_FALSE;
+					CONN_DEC_REF(connp);
+				}
 				SQUEUE_DBG_CLEAR(sqp);
-				CONN_DEC_REF(connp);
 			} else {
 				SQUEUE_ENTER_ONE(connp->conn_sqp, mp, proc,
 				    connp, ira, SQ_FILL, SQTAG_SQUEUE_CHANGE);
@@ -513,7 +545,7 @@ squeue_enter(squeue_t *sqp, mblk_t *mp, mblk_t *tail, uint32_t cnt,
 				return;
 			}
 		} else {
-			if (ira != NULL) {
+			if (sqp->sq_isip == B_TRUE && ira != NULL) {
 				mblk_t	*attrmp;
 
 				ASSERT(cnt == 1);
@@ -587,7 +619,8 @@ squeue_enter(squeue_t *sqp, mblk_t *mp, mblk_t *tail, uint32_t cnt,
 		if (!(sqp->sq_state & SQS_REENTER) &&
 		    (process_flag != SQ_FILL) && (sqp->sq_first == NULL) &&
 		    (sqp->sq_run == curthread) && (cnt == 1) &&
-		    (connp->conn_on_sqp == B_FALSE)) {
+		    (sqp->sq_isip == B_FALSE ||
+		    connp->conn_on_sqp == B_FALSE)) {
 			sqp->sq_state |= SQS_REENTER;
 			mutex_exit(&sqp->sq_lock);
 
@@ -602,15 +635,21 @@ squeue_enter(squeue_t *sqp, mblk_t *mp, mblk_t *tail, uint32_t cnt,
 			 * Handle squeue switching. More details in the
 			 * block comment at the top of the file
 			 */
-			if (connp->conn_sqp == sqp) {
-				connp->conn_on_sqp = B_TRUE;
+			if (sqp->sq_isip == B_FALSE || connp->conn_sqp == sqp) {
+				SQUEUE_DBG_SET(sqp, mp, proc, connp,
+				    tag);
+				if (sqp->sq_isip == B_TRUE)
+					connp->conn_on_sqp = B_TRUE;
 				DTRACE_PROBE3(squeue__proc__start, squeue_t *,
 				    sqp, mblk_t *, mp, conn_t *, connp);
 				(*proc)(connp, mp, sqp, ira);
 				DTRACE_PROBE2(squeue__proc__end, squeue_t *,
 				    sqp, conn_t *, connp);
-				connp->conn_on_sqp = B_FALSE;
-				CONN_DEC_REF(connp);
+				if (sqp->sq_isip == B_TRUE) {
+					connp->conn_on_sqp = B_FALSE;
+					CONN_DEC_REF(connp);
+				}
+				SQUEUE_DBG_CLEAR(sqp);
 			} else {
 				SQUEUE_ENTER_ONE(connp->conn_sqp, mp, proc,
 				    connp, ira, SQ_FILL, SQTAG_SQUEUE_CHANGE);
@@ -631,7 +670,7 @@ squeue_enter(squeue_t *sqp, mblk_t *mp, mblk_t *tail, uint32_t cnt,
 #ifdef DEBUG
 		mp->b_tag = tag;
 #endif
-		if (ira != NULL) {
+		if (sqp->sq_isip && ira != NULL) {
 			mblk_t	*attrmp;
 
 			ASSERT(cnt == 1);
@@ -779,7 +818,7 @@ again:
 		mp->b_prev = NULL;
 
 		/* Is there an ip_recv_attr_t to handle? */
-		if (ip_recv_attr_is_mblk(mp)) {
+		if (sqp->sq_isip == B_TRUE && ip_recv_attr_is_mblk(mp)) {
 			mblk_t	*attrmp = mp;
 
 			ASSERT(attrmp->b_cont != NULL);
@@ -804,20 +843,25 @@ again:
 
 
 		/*
-		 * Handle squeue switching. More details in the
-		 * block comment at the top of the file
+		 * Handle squeue switching. More details in the block comment at
+		 * the top of the file. non-IP squeues cannot switch, as there
+		 * is no conn_t.
 		 */
-		if (connp->conn_sqp == sqp) {
+		if (sqp->sq_isip == B_FALSE || connp->conn_sqp == sqp) {
 			SQUEUE_DBG_SET(sqp, mp, proc, connp,
 			    mp->b_tag);
-			connp->conn_on_sqp = B_TRUE;
+			if (sqp->sq_isip == B_TRUE)
+				connp->conn_on_sqp = B_TRUE;
 			DTRACE_PROBE3(squeue__proc__start, squeue_t *,
 			    sqp, mblk_t *, mp, conn_t *, connp);
 			(*proc)(connp, mp, sqp, ira);
 			DTRACE_PROBE2(squeue__proc__end, squeue_t *,
 			    sqp, conn_t *, connp);
-			connp->conn_on_sqp = B_FALSE;
-			CONN_DEC_REF(connp);
+			if (sqp->sq_isip == B_TRUE) {
+				connp->conn_on_sqp = B_FALSE;
+				CONN_DEC_REF(connp);
+			}
+			SQUEUE_DBG_CLEAR(sqp);
 		} else {
 			SQUEUE_ENTER_ONE(connp->conn_sqp, mp, proc, connp, ira,
 			    SQ_FILL, SQTAG_SQUEUE_CHANGE);
@@ -1051,6 +1095,11 @@ squeue_polling_thread(squeue_t *sqp)
 		cv_wait(async, lock);
 		CALLB_CPR_SAFE_END(&cprinfo, lock);
 
+		if (sqp->sq_state & SQS_EXIT) {
+			mutex_exit(lock);
+			thread_exit();
+		}
+
 		ctl_state = sqp->sq_state & (SQS_POLL_THR_CONTROL |
 		    SQS_POLL_THR_QUIESCED);
 		if (ctl_state != 0) {
@@ -1076,6 +1125,9 @@ squeue_polling_thread(squeue_t *sqp)
 		    (SQS_PROC|SQS_POLLING|SQS_GET_PKTS)) ==
 		    (SQS_PROC|SQS_POLLING|SQS_GET_PKTS));
 
+		/* Only IP related squeues should reach this point */
+		VERIFY(sqp->sq_isip == B_TRUE);
+
 poll_again:
 		sq_rx_ring = sqp->sq_rx_ring;
 		sq_get_pkts = sq_rx_ring->rr_rx;
@@ -1205,6 +1257,7 @@ squeue_worker_thr_control(squeue_t *sqp)
 	ill_rx_ring_t	*rx_ring;
 
 	ASSERT(MUTEX_HELD(&sqp->sq_lock));
+	VERIFY(sqp->sq_isip == B_TRUE);
 
 	if (sqp->sq_state & SQS_POLL_RESTART) {
 		/* Restart implies a previous quiesce. */
@@ -1316,6 +1369,11 @@ squeue_worker(squeue_t *sqp)
 
 	for (;;) {
 		for (;;) {
+			if (sqp->sq_state & SQS_EXIT) {
+				mutex_exit(lock);
+				thread_exit();
+			}
+
 			/*
 			 * If the poll thread has handed control to us
 			 * we need to break out of the wait.
@@ -1412,6 +1470,7 @@ squeue_synch_enter(conn_t *connp, mblk_t *use_mp)
 
 again:
 	sqp = connp->conn_sqp;
+	VERIFY(sqp->sq_isip == B_TRUE);
 
 	mutex_enter(&sqp->sq_lock);
 	if (sqp->sq_first == NULL && !(sqp->sq_state & SQS_PROC)) {
@@ -1487,6 +1546,7 @@ void
 squeue_synch_exit(conn_t *connp)
 {
 	squeue_t *sqp = connp->conn_sqp;
+	VERIFY(sqp->sq_isip == B_TRUE);
 
 	mutex_enter(&sqp->sq_lock);
 	if (sqp->sq_run == curthread) {
diff --git a/usr/src/uts/common/inet/tcp_impl.h b/usr/src/uts/common/inet/tcp_impl.h
index 1b20e40aca..3488630f2c 100644
--- a/usr/src/uts/common/inet/tcp_impl.h
+++ b/usr/src/uts/common/inet/tcp_impl.h
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011, Joyent Inc. All rights reserved.
+ * Copyright (c) 2013, Joyent Inc. All rights reserved.
  * Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
  * Copyright (c) 2013, 2014 by Delphix. All rights reserved.
  */
@@ -61,9 +61,9 @@ extern sock_downcalls_t sock_tcp_downcalls;
  * by setting it to 0.
  */
 #define	TCP_XMIT_LOWATER	4096
-#define	TCP_XMIT_HIWATER	49152
+#define	TCP_XMIT_HIWATER	128000
 #define	TCP_RECV_LOWATER	2048
-#define	TCP_RECV_HIWATER	128000
+#define	TCP_RECV_HIWATER	1048576
 
 /*
  * Bind hash list size and has function.  It has to be a power of 2 for
diff --git a/usr/src/uts/common/inet/udp/udp.c b/usr/src/uts/common/inet/udp/udp.c
index 5a15aea4de..eec3beddd2 100644
--- a/usr/src/uts/common/inet/udp/udp.c
+++ b/usr/src/uts/common/inet/udp/udp.c
@@ -22,6 +22,7 @@
  * Copyright (c) 1991, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
  * Copyright 2014, OmniTI Computer Consulting, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 /* Copyright (c) 1990 Mentat Inc. */
 
@@ -76,7 +77,8 @@
 #include <inet/ipclassifier.h>
 #include <sys/squeue_impl.h>
 #include <inet/ipnet.h>
-#include <sys/ethernet.h>
+#include <sys/vxlan.h>
+#include <inet/inet_hash.h>
 
 #include <sys/tsol/label.h>
 #include <sys/tsol/tnet.h>
@@ -346,6 +348,89 @@ void (*cl_inet_unbind)(netstackid_t stack_id, uint8_t protocol,
 typedef union T_primitives *t_primp_t;
 
 /*
+ * Various protocols that encapsulate UDP have no real use for the source port.
+ * Instead, they want to vary the source port to provide better equal-cost
+ * multipathing and other systems that use fanout. Consider something like
+ * VXLAN. If you're actually sending multiple different streams to a single
+ * host, if you don't vary the source port, then the tuple of ( SRC IP, DST IP,
+ * SRC Port, DST Port) will always be the same.
+ *
+ * Here, we return a port to hash this to, if we know how to hash it. If for
+ * some reason we can't perform an L4 hash, then we just return the default
+ * value, usually the default port. After we determine the hash we transform it
+ * so that it's in the range of [ min, max ].
+ *
+ * We'd like to avoid a pull up for the sake of performing the hash. If the
+ * first mblk_t doesn't have the full protocol header, then we just send it to
+ * the default. If for some reason we have an encapsulated packet that has its
+ * protocol header in different parts of an mblk_t, then we'll go with the
+ * default port. This means that that if a driver isn't consistent about how it
+ * generates the frames for a given flow, it will not always be consistently
+ * hashed. That should be an uncommon event.
+ */
+uint16_t
+udp_srcport_hash(mblk_t *mp, int type, uint16_t min, uint16_t max,
+    uint16_t def)
+{
+	size_t szused = 0;
+	struct ether_header *ether;
+	struct ether_vlan_header *vether;
+	ip6_t *ip6h;
+	ipha_t *ipha;
+	uint16_t sap;
+	uint64_t hash;
+	uint32_t mod;
+
+	ASSERT(min <= max);
+
+	if (type != UDP_HASH_VXLAN)
+		return (def);
+
+	if (!IS_P2ALIGNED(mp->b_rptr, sizeof (uint16_t)))
+		return (def);
+
+	/*
+	 * The following logic is VXLAN specific to get at the header, if we
+	 * have formats, eg. GENEVE, then we should ignore this.
+	 *
+	 * The kernel overlay device often puts a first mblk_t for the data
+	 * which is just the encap. If so, then we're going to use that and try
+	 * to avoid a pull up.
+	 */
+	if (MBLKL(mp) == VXLAN_HDR_LEN) {
+		if (mp->b_cont == NULL)
+			return (def);
+		mp = mp->b_cont;
+		ether = (struct ether_header *)mp->b_rptr;
+	} else if (MBLKL(mp) < VXLAN_HDR_LEN) {
+		return (def);
+	} else {
+		szused = VXLAN_HDR_LEN;
+		ether = (struct ether_header *)((uintptr_t)mp->b_rptr + szused);
+	}
+
+	/* Can we hold a MAC header? */
+	if (MBLKL(mp) + szused < sizeof (struct ether_header))
+		return (def);
+
+	/*
+	 * We need to lie about the starting offset into the message block for
+	 * convenience. Undo it at the end. We know that inet_pkt_hash() won't
+	 * modify the mblk_t.
+	 */
+	mp->b_rptr += szused;
+	hash = inet_pkt_hash(DL_ETHER, mp, INET_PKT_HASH_L2 |
+	    INET_PKT_HASH_L3 | INET_PKT_HASH_L4);
+	mp->b_rptr -= szused;
+
+	if (hash == 0)
+		return (def);
+
+	mod = max - min + 1;
+	return ((hash % mod) + min);
+}
+
+/*
  * Return the next anonymous port in the privileged port range for
  * bind checking.
  *
@@ -1583,6 +1668,11 @@ udp_opt_get(conn_t *connp, t_scalar_t level, t_scalar_t name,
 			*i1 = udp->udp_rcvhdr ? 1 : 0;
 			mutex_exit(&connp->conn_lock);
 			return (sizeof (int));
+		case UDP_SRCPORT_HASH:
+			mutex_enter(&connp->conn_lock);
+			*i1 = udp->udp_vxlanhash;
+			mutex_exit(&connp->conn_lock);
+			return (sizeof (int));
 		}
 	}
 	mutex_enter(&connp->conn_lock);
@@ -1718,6 +1808,26 @@ udp_do_opt_set(conn_opt_arg_t *coa, int level, int name,
 			udp->udp_rcvhdr = onoff;
 			mutex_exit(&connp->conn_lock);
 			return (0);
+		case UDP_SRCPORT_HASH:
+			/*
+			 * This should have already been verified, but double
+			 * check.
+			 */
+			if ((error = secpolicy_ip_config(cr, B_FALSE)) != 0) {
+				return (error);
+			}
+
+			/* First see if the val is something we understand */
+			if (*i1 != UDP_HASH_DISABLE && *i1 != UDP_HASH_VXLAN)
+				return (EINVAL);
+
+			if (!checkonly) {
+				mutex_enter(&connp->conn_lock);
+				udp->udp_vxlanhash = *i1;
+				mutex_exit(&connp->conn_lock);
+			}
+			/* Fully handled this option. */
+			return (0);
 		}
 		break;
 	}
@@ -2001,13 +2111,25 @@ udp_prepend_hdr(conn_t *connp, ip_xmit_attr_t *ixa, const ip_pkt_t *ipp,
 	uint32_t	cksum;
 	udp_t		*udp = connp->conn_udp;
 	boolean_t	insert_spi = udp->udp_nat_t_endpoint;
+	boolean_t	hash_srcport = udp->udp_vxlanhash;
 	uint_t		ulp_hdr_len;
+	uint16_t	srcport;
 
 	data_len = msgdsize(data_mp);
 	ulp_hdr_len = UDPH_SIZE;
 	if (insert_spi)
 		ulp_hdr_len += sizeof (uint32_t);
 
+	/*
+	 * If we have source port hashing going on, determine the hash before
+	 * we modify the mblk_t.
+	 */
+	if (hash_srcport == B_TRUE) {
+		srcport = udp_srcport_hash(mp, UDP_HASH_VXLAN,
+		    IPPORT_DYNAMIC_MIN, IPPORT_DYNAMIC_MAX,
+		    ntohs(connp->conn_lport));
+	}
+
 	mp = conn_prepend_hdr(ixa, ipp, v6src, v6dst, IPPROTO_UDP, flowinfo,
 	    ulp_hdr_len, data_mp, data_len, us->us_wroff_extra, &cksum, errorp);
 	if (mp == NULL) {
@@ -2019,7 +2141,11 @@ udp_prepend_hdr(conn_t *connp, ip_xmit_attr_t *ixa, const ip_pkt_t *ipp,
 	ixa->ixa_pktlen = data_len + ixa->ixa_ip_hdr_length;
 
 	udpha = (udpha_t *)(mp->b_rptr + ixa->ixa_ip_hdr_length);
-	udpha->uha_src_port = connp->conn_lport;
+	if (hash_srcport == B_TRUE) {
+		udpha->uha_src_port = htons(srcport);
+	} else {
+		udpha->uha_src_port = connp->conn_lport;
+	}
 	udpha->uha_dst_port = dstport;
 	udpha->uha_checksum = 0;
 	udpha->uha_length = htons(data_len);
@@ -3194,6 +3320,7 @@ udp_prepend_header_template(conn_t *connp, ip_xmit_attr_t *ixa, mblk_t *mp,
 	udp_t		*udp = connp->conn_udp;
 	udp_stack_t	*us = udp->udp_us;
 	boolean_t	insert_spi = udp->udp_nat_t_endpoint;
+	boolean_t	hash_srcport = udp->udp_vxlanhash;
 	uint_t		pktlen;
 	uint_t		alloclen;
 	uint_t		copylen;
@@ -3202,10 +3329,21 @@ udp_prepend_header_template(conn_t *connp, ip_xmit_attr_t *ixa, mblk_t *mp,
 	udpha_t		*udpha;
 	uint32_t	cksum;
 	ip_pkt_t	*ipp;
+	uint16_t	srcport;
 
 	ASSERT(MUTEX_HELD(&connp->conn_lock));
 
 	/*
+	 * If we have source port hashing going on, determine the hash before
+	 * we modify the mblk_t.
+	 */
+	if (hash_srcport == B_TRUE) {
+		srcport = udp_srcport_hash(mp, UDP_HASH_VXLAN,
+		    IPPORT_DYNAMIC_MIN, IPPORT_DYNAMIC_MAX,
+		    ntohs(connp->conn_lport));
+	}
+
+	/*
 	 * Copy the header template and leave space for an SPI
 	 */
 	copylen = connp->conn_ht_iphc_len;
@@ -3303,6 +3441,9 @@ udp_prepend_header_template(conn_t *connp, ip_xmit_attr_t *ixa, mblk_t *mp,
 		*((uint32_t *)(udpha + 1)) = 0;
 
 	udpha->uha_dst_port = dstport;
+	if (hash_srcport == B_TRUE)
+		udpha->uha_src_port = htons(srcport);
+
 	return (mp);
 }
 
diff --git a/usr/src/uts/common/inet/udp/udp_opt_data.c b/usr/src/uts/common/inet/udp/udp_opt_data.c
index c279bb4a21..fec3dec4c9 100644
--- a/usr/src/uts/common/inet/udp/udp_opt_data.c
+++ b/usr/src/uts/common/inet/udp/udp_opt_data.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #include <sys/types.h>
@@ -292,6 +293,7 @@ opdes_t	udp_opt_arr[] = {
 	},
 { UDP_NAT_T_ENDPOINT, IPPROTO_UDP, OA_RW, OA_RW, OP_PRIVPORT, 0, sizeof (int),
 	0 },
+{ UDP_SRCPORT_HASH, IPPROTO_UDP, OA_R, OA_RW, OP_CONFIG, 0, sizeof (int), 0 }
 };
 
 /*
diff --git a/usr/src/uts/common/inet/udp_impl.h b/usr/src/uts/common/inet/udp_impl.h
index 6a31ce5c22..3b07abc309 100644
--- a/usr/src/uts/common/inet/udp_impl.h
+++ b/usr/src/uts/common/inet/udp_impl.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #ifndef	_UDP_IMPL_H
@@ -178,8 +179,11 @@ typedef	struct udp_s {
 		udp_issocket : 1,	/* socket mode; sockfs is on top */
 		udp_nat_t_endpoint : 1,	/* UDP_NAT_T_ENDPOINT option */
 		udp_rcvhdr : 1,		/* UDP_RCVHDR option */
+		udp_vxlanhash: 1,	/* UDP_SRCPORT_HASH option */
+					/* Because there's only VXLAN, cheat */
+					/* and only use a single bit */
 
-		udp_pad_to_bit_31 : 29;
+		udp_pad_to_bit_31 : 28;
 
 	/* Following 2 fields protected by the uf_lock */
 	struct udp_s	*udp_bind_hash; /* Bind hash chain */
diff --git a/usr/src/uts/common/io/1394/targets/av1394/av1394_async.c b/usr/src/uts/common/io/1394/targets/av1394/av1394_async.c
index 94323582d6..c2c16e848b 100644
--- a/usr/src/uts/common/io/1394/targets/av1394/av1394_async.c
+++ b/usr/src/uts/common/io/1394/targets/av1394/av1394_async.c
@@ -24,7 +24,9 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
 
 /*
  * av1394 asynchronous module
@@ -359,9 +361,10 @@ av1394_async_poll(av1394_inst_t *avp, short events, int anyyet, short *reventsp,
 	AV1394_TNF_ENTER(av1394_async_poll);
 
 	if (events & POLLIN) {
-		if (av1394_peekq(rq)) {
+		if (av1394_peekq(rq))
 			*reventsp |= POLLIN;
-		} else if (!anyyet) {
+
+		if ((!*reventsp && !anyyet) || (events & POLLET)) {
 			mutex_enter(&ap->a_mutex);
 			ap->a_pollevents |= POLLIN;
 			*phpp = &ap->a_pollhead;
diff --git a/usr/src/uts/common/io/aggr/aggr_port.c b/usr/src/uts/common/io/aggr/aggr_port.c
index 00545d2c03..a39110255a 100644
--- a/usr/src/uts/common/io/aggr/aggr_port.c
+++ b/usr/src/uts/common/io/aggr/aggr_port.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2012 OmniTI Computer Consulting, Inc  All rights reserved.
  */
 
 /*
@@ -528,8 +529,13 @@ aggr_port_promisc(aggr_port_t *port, boolean_t on)
 
 	if (on) {
 		mac_rx_clear(port->lp_mch);
+		/* We use the promisc callback because without hardware
+		 * rings, we deliver through flows that will cause duplicate
+		 * delivery of packets when we've flipped into this mode
+		 * to compensate for the lack of hardware MAC matching
+		 */
 		rc = mac_promisc_add(port->lp_mch, MAC_CLIENT_PROMISC_ALL,
-		    aggr_recv_cb, port, &port->lp_mphp,
+		    aggr_recv_promisc_cb, port, &port->lp_mphp,
 		    MAC_PROMISC_FLAGS_NO_TX_LOOP);
 		if (rc != 0) {
 			mac_rx_set(port->lp_mch, aggr_recv_cb, port);
diff --git a/usr/src/uts/common/io/aggr/aggr_recv.c b/usr/src/uts/common/io/aggr/aggr_recv.c
index 2bdb7872e3..0dfe234b70 100644
--- a/usr/src/uts/common/io/aggr/aggr_recv.c
+++ b/usr/src/uts/common/io/aggr/aggr_recv.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2012 OmniTI Computer Consulting, Inc  All rights reserved.
  */
 
 /*
@@ -68,16 +69,27 @@ aggr_recv_lacp(aggr_port_t *port, mac_resource_handle_t mrh, mblk_t *mp)
 
 /*
  * Callback function invoked by MAC service module when packets are
- * made available by a MAC port.
+ * made available by a MAC port, both in promisc_on mode and not.
  */
 /* ARGSUSED */
-void
-aggr_recv_cb(void *arg, mac_resource_handle_t mrh, mblk_t *mp,
-    boolean_t loopback)
+static void
+aggr_recv_path_cb(void *arg, mac_resource_handle_t mrh, mblk_t *mp,
+    boolean_t loopback, boolean_t promisc_path)
 {
 	aggr_port_t *port = (aggr_port_t *)arg;
 	aggr_grp_t *grp = port->lp_grp;
 
+	/* In the case where lp_promisc_on has been turned on to
+	 * compensate for insufficient hardware MAC matching and
+	 * hardware rings are not in use we will fall back to
+	 * using flows for delivery which can result in duplicates
+	 * pushed up the stack. Only respect the chosen path.
+	 */
+	if (port->lp_promisc_on != promisc_path) {
+		freemsgchain(mp);
+		return;
+	}
+
 	if (grp->lg_lacp_mode == AGGR_LACP_OFF) {
 		aggr_mac_rx(grp->lg_mh, mrh, mp);
 	} else {
@@ -161,3 +173,19 @@ aggr_recv_cb(void *arg, mac_resource_handle_t mrh, mblk_t *mp,
 		}
 	}
 }
+
+/* ARGSUSED */
+void
+aggr_recv_cb(void *arg, mac_resource_handle_t mrh, mblk_t *mp,
+    boolean_t loopback)
+{
+	aggr_recv_path_cb(arg, mrh, mp, loopback, B_FALSE);
+}
+
+/* ARGSUSED */
+void
+aggr_recv_promisc_cb(void *arg, mac_resource_handle_t mrh, mblk_t *mp,
+    boolean_t loopback)
+{
+	aggr_recv_path_cb(arg, mrh, mp, loopback, B_TRUE);
+}
diff --git a/usr/src/uts/common/io/axf/ax88172reg.h b/usr/src/uts/common/io/axf/ax88172reg.h
new file mode 100644
index 0000000000..8ca6ebc187
--- /dev/null
+++ b/usr/src/uts/common/io/axf/ax88172reg.h
@@ -0,0 +1,163 @@
+/*
+ * @(#)ax88172reg.h	1.1 09/06/15
+ * Macro definitions for ASIX AX88172 USB to fast ethernet controler
+ * based on ASIX AX88172/88772 data sheet
+ * This file is public domain. Coded by M.Murayama (KHF04453@nifty.com)
+ */
+
+#ifndef __AX88172_H__
+#define __AX88172_H__
+
+/*
+ * Vendor command definitions
+ */
+#define	VCMD_READ_SRAM			0x02
+#define	VCMD_WRITE_RXSRAM		0x03
+#define	VCMD_WRITE_TXSRAM		0x04
+#define	VCMD_SOFTWARE_MII_OP		0x06
+#define	VCMD_READ_MII_REG		0x07
+#define	VCMD_WRITE_MII_REG		0x08
+#define	VCMD_READ_MII_OPMODE		0x09
+#define	VCMD_HARDWARE_MII_OP		0x0a
+#define	VCMD_READ_SROM			0x0b
+#define	VCMD_WRITE_SROM			0x0c
+#define	VCMD_WRITE_SROM_ENABLE		0x0d
+#define	VCMD_WRITE_SROM_DISABLE		0x0e
+#define	VCMD_READ_RXCTRL		0x0f
+#define	VCMD_WRITE_RXCTRL		0x10
+#define	VCMD_READ_IPGS			0x11
+#define	VCMD_WRITE_IPG			0x12
+#define	VCMD_WRITE_IPG1			0x13
+#define	VCMD_WRITE_IPG2			0x14
+#define	VCMD_READ_MCAST_FILTER		0x15
+#define	VCMD_WRITE_MCAST_FILTER		0x16
+#define	VCMD_READ_NODE_ID		0x17
+#define	VCMD_READ_PHY_IDS		0x19
+#define	VCMD_READ_MEDIUM_STATUS		0x1a
+#define	VCMD_WRITE_MEDIUM_STATUS	0x1b
+#define	VCMD_SET_MONITOR_MODE		0x1c
+#define	VCMD_GET_MONITOR_MODE		0x1d
+#define	VCMD_READ_GPIO			0x1e
+#define	VCMD_WRITE_GPIO			0x1f
+
+/* ax88772 only,  currently not supported */
+#define	VCMD_WRITE_IPGS_88772		0x12
+#define	VCMD_READ_NODE_ID_88772		0x13
+#define	VCMD_WRITE_NODE_ID_88772	0x14
+#define	VCMD_WRITE_TEST_REG_88772	0x17
+#define	VCMD_SOFTWARE_RESET_88772	0x20
+#define	VCMD_READ_PHY_SELECT_88772	0x21
+#define	VCMD_WRITE_PHY_SELECT_88772	0x22
+
+
+/*
+ * Register definitions
+ */
+
+/* Rx control register */
+#define	RCR_SO		0x80	/* Start Operation */
+#define	RCR_AP_88772	0x20	/* accept physical address from mcast filter */
+#define	RCR_AM		0x10	/* accept multicast address */
+#define	RCR_AB		0x08	/* accept broadcast address */
+#define	RCR_SEP		0x04	/* save error packet */
+#define	RCR_AMALL	0x02	/* accept all multicast address */
+#define	RCR_PRO		0x01	/* promiscious, all frames received */
+
+#define	RCR_MFB	0x0300
+#define		RCR_MFB_SHIFT	8
+#define		RCR_MFB_2K	(0U << RCR_MFB_SHIFT)
+#define		RCR_MFB_4K	(1U << RCR_MFB_SHIFT)
+#define		RCR_MFB_8K	(2U << RCR_MFB_SHIFT)
+#define		RCR_MFB_16K	(3U << RCR_MFB_SHIFT)
+
+#define	RCR_BITS	\
+	"\020"	\
+	"\010SO"	\
+	"\006AP"	\
+	"\005AM"	\
+	"\004AB"	\
+	"\003SEP"	\
+	"\002AMALL"	\
+	"\001PRO"
+
+/* Medium status register */
+#define	MSR_SM		0x1000	/* super mac support */
+#define	MSR_SBP		0x0800	/* stop backpressure */
+#define	MSR_PS		0x0200	/* port speed in mii mode */
+#define	MSR_RE		0x0100	/* rx enable */
+#define	MSR_PF		0x0080	/* check only length/type for pause frame */
+#define	MSR_JFE		0x0040	/* jumbo frame enable */
+#define	MSR_TFC		0x0020	/* tx flow control enable */
+#define	MSR_RFC		0x0010	/* rx flow control enable (178) */
+#define	MSR_FCEN	0x0010	/* flow control enable (172/772) */
+#define	MSR_ENCK	0x0008	/* Enable GTX_CLK and TXC clock output (178) */
+#define	MSR_TXABT	0x0004	/* Tx abort allow, always set */
+#define	MSR_FDPX	0x0002	/* full duplex */
+#define	MSR_GM		0x0001	/* Gigabit mode (178) */
+
+#define	MSR_BITS	\
+	"\020"	\
+	"\015SM"	\
+	"\014SBP"	\
+	"\012PS"	\
+	"\011RE"	\
+	"\005FCEN"	\
+	"\004ENCK"	\
+	"\003TXABT"	\
+	"\002FDPX"	\
+	"\001GM"
+
+/* monitor mode register */
+#define	MMR_RWMP	0x04	/* remote wakeup by magic pkt */
+#define	MMR_RWLU	0x02	/* remote wakeup by linkup */
+#define	MMR_MOM		0x01	/* monitor mode 1:en, 0:dis */
+
+#define	MMR_BITS	\
+	"\020"	\
+	"\003RWMP"	\
+	"\002RWLU"	\
+	"\001MOM"
+
+/* GPIO register */
+#define	GPIO_RSE	0x80	/* reload serial eeprom (88772)*/
+#define	GPIO_DATA2	0x20
+#define	GPIO_EN2	0x10
+#define	GPIO_DATA1	0x08
+#define	GPIO_EN1	0x04
+#define	GPIO_DATA0	0x02
+#define	GPIO_EN0	0x01
+
+#define	GPIO_BITS	\
+	"\020"		\
+	"\010RSE"	\
+	"\006DATA2"	\
+	"\005EN2"	\
+	"\004DATA1"	\
+	"\003EN1"	\
+	"\002DATA0"	\
+	"\001EN0"
+
+/* Software reset register */
+#define	SWRST_IPPD	0x40	/* internal phy power down control */
+#define	SWRST_IPRL	0x20	/* internal phy reset control */
+#define	SWRST_BZ	0x10	/* force Bulk In to return zero-length pkt */
+#define	SWRST_PRL	0x08	/* external phy reset pin level */
+#define	SWRST_PRTE	0x04	/* external phy tri-state enable */
+#define	SWRST_RT	0x02	/* clear frame length error for Bulk-Out */
+#define	SWRST_RR	0x01	/* clear frame length error for Bulk-In */
+
+#define	SWRST_BITS	\
+	"\020"		\
+	"\007IPPD"	\
+	"\006IPRL"	\
+	"\005BZ"	\
+	"\004PRL"	\
+	"\003PRTE"	\
+	"\002RT"	\
+	"\001RR"
+
+/* Software PHY Select Status register */
+#define	SPSS_ASEL	0x02	/* 1:auto select 0:manual select */
+#define	SPSS_PSEL	0x01	/* 1:intenal phy, 0:external (when ASEL=0) */
+
+#endif /* __AX88172_H__ */
diff --git a/usr/src/uts/common/io/axf/axf_usbgem.c b/usr/src/uts/common/io/axf/axf_usbgem.c
new file mode 100644
index 0000000000..28963f6849
--- /dev/null
+++ b/usr/src/uts/common/io/axf/axf_usbgem.c
@@ -0,0 +1,1539 @@
+/*
+ * axf_usbgem.c : ASIX AX88172/772 USB to Fast Ethernet Driver for Solaris
+ *
+ * Copyright (c) 2004-2012 Masayuki Murayama.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the author nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
+
+#pragma ident "@(#)axf_usbgem.c	1.3 12/02/09"
+
+/*
+ *  Changelog:
+ */
+
+/*
+ * TODO
+ * handle RXMODE_ENABLE in set_rx_filter()
+ */
+/* ======================================================= */
+
+/*
+ * Solaris system header files and macros
+ */
+
+/* minimum kernel headers for drivers */
+#include <sys/types.h>
+#include <sys/conf.h>
+#include <sys/debug.h>
+#include <sys/kmem.h>
+#include <sys/modctl.h>
+#include <sys/errno.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/byteorder.h>
+
+/* ethernet stuff */
+#include <sys/ethernet.h>
+
+/* interface card depend stuff */
+#include <sys/stropts.h>
+#include <sys/stream.h>
+#include <sys/strlog.h>
+#include <sys/usb/usba.h>
+#include "usbgem.h"
+
+/* hardware stuff */
+#include "usbgem_mii.h"
+#include "ax88172reg.h"
+
+char	ident[] = "ax88x72 usbnic driver v" VERSION;
+
+/*
+ * Useful macros
+ */
+#define	CHECK_AND_JUMP(err, label)	if (err != USB_SUCCESS) goto label
+#define	LE16P(p)	((((uint8_t *)(p))[1] << 8) | ((uint8_t *)(p))[0])
+
+#define	AX88172(dp)	\
+	(((struct axf_dev *)(dp)->private)->chip->type == CHIP_TYPE_AX88172)
+
+#define	AX88772(dp)	\
+	(((struct axf_dev *)(dp)->private)->chip->type == CHIP_TYPE_AX88772)
+
+/*
+ * Debugging
+ */
+#ifdef DEBUG_LEVEL
+static int axf_debug = DEBUG_LEVEL;
+#define	DPRINTF(n, args)	if (axf_debug > (n)) cmn_err args
+#else
+#define	DPRINTF(n, args)
+#endif
+
+/*
+ * Our configration for ax88172
+ */
+/* timeouts */
+#define	ONESEC		(drv_usectohz(1*1000000))
+
+/*
+ * RX/TX buffer size
+ */
+
+/*
+ * Local device definitions
+ */
+struct chip_info {
+	uint16_t	vid;	/* usb vendor id */
+	uint16_t	pid;	/* usb product id */
+	int		type;
+	uint8_t		gpio_reset[2];
+	uint8_t		gpio_speed[2];
+	uint8_t		gpio_duplex[2];
+	char		*name;
+#define	CHIP_TYPE_AX88172	0
+#define	CHIP_TYPE_AX88772	1
+#define	CHIP_TYPE_AX88178	2
+};
+
+#define	GPIO_DEFAULT	{0x00, 0x15}, {0, 0}, {0, 0}
+struct chip_info chiptbl_88x7x[] = {
+/* AX88172 */
+{
+	/* Planex UE2-100TX, Hawking UF200, TrendNet TU2-ET100 */
+	0x07b8, 0x420a, CHIP_TYPE_AX88172,
+
+	/*
+	 * the default setting covers below:
+	 * gpio bit2 has to be 0 and gpio bit0 has to be 1
+	 */
+	{0, 0},
+	{GPIO_EN1, GPIO_DATA1 | GPIO_EN1},
+	{0, 0},
+	"Planex UE2-100TX",	/* tested */
+},
+{
+	0x2001, 0x1a00, CHIP_TYPE_AX88172,
+	{0x9f, 0x9e}, {0, 0}, {0, 0},
+	"D-Link dube100",	/* XXX */
+},
+{
+	0x077b, 0x2226, CHIP_TYPE_AX88172,
+	GPIO_DEFAULT,
+	"Linksys USB200M",
+},
+{
+	0x0846, 0x1040, CHIP_TYPE_AX88172,
+	GPIO_DEFAULT,
+	"Netgear FA120",
+},
+{
+	0x0b95, 0x1720, CHIP_TYPE_AX88172,
+	GPIO_DEFAULT,
+	"Intellinet, ST Lab USB Ethernet",
+},
+{
+	0x08dd, 0x90ff, CHIP_TYPE_AX88172,
+	GPIO_DEFAULT,
+	"Billionton Systems, USB2AR",
+},
+{
+	0x0557, 0x2009, CHIP_TYPE_AX88172,
+	GPIO_DEFAULT,
+	"ATEN UC210T",
+},
+{
+	0x0411, 0x003d, CHIP_TYPE_AX88172,
+	GPIO_DEFAULT,
+	"Buffalo LUA-U2-KTX",
+},
+{
+	0x6189, 0x182d, CHIP_TYPE_AX88172,
+	GPIO_DEFAULT,
+	"Sitecom LN-029 USB 2.0 10/100 Ethernet adapter",
+},
+{
+	0x07aa, 0x0017, CHIP_TYPE_AX88172,
+	GPIO_DEFAULT,
+	"corega FEther USB2-TX",
+},
+{
+	0x1189, 0x0893, CHIP_TYPE_AX88172,
+	GPIO_DEFAULT,
+	"Surecom EP-1427X-2",
+},
+{
+	0x1631, 0x6200, CHIP_TYPE_AX88172,
+	GPIO_DEFAULT,
+	"goodway corp usb gwusb2e",
+},
+/* AX88772 and AX88178 */
+{
+	0x13b1, 0x0018, CHIP_TYPE_AX88772,
+	{0, 0}, {0, 0}, {0, 0},
+	"Linksys USB200M rev.2",
+},
+{
+	0x1557, 0x7720, CHIP_TYPE_AX88772,
+	{0, 0}, {0, 0}, {0, 0},
+	"0Q0 cable ethernet",
+},
+{
+	0x07d1, 0x3c05, CHIP_TYPE_AX88772,
+	{0, 0}, {0, 0}, {0, 0},
+	"DLink DUB E100 ver B1",
+},
+{
+	0x2001, 0x3c05, CHIP_TYPE_AX88772,
+	{0, 0}, {0, 0}, {0, 0},
+	"DLink DUB E100 ver B1(2)",
+},
+{
+	0x05ac, 0x1402, CHIP_TYPE_AX88772,
+	{0, 0}, {0, 0}, {0, 0},
+	"Apple Ethernet USB Adapter",
+},
+{
+	0x1737, 0x0039, CHIP_TYPE_AX88178,
+	{0, 0}, {0, 0}, {0, 0},
+	"Linksys USB1000",
+},
+{
+	0x0411, 0x006e, CHIP_TYPE_AX88178,
+	{0, 0}, {0, 0}, {0, 0},
+	"Buffalo LUA-U2-KGT/LUA-U2-GT",
+},
+{
+	0x04bb, 0x0930, CHIP_TYPE_AX88178,
+	{0, 0}, {0, 0}, {0, 0},
+	"I/O DATA ETG-US2",
+},
+{
+	0x050d, 0x5055, CHIP_TYPE_AX88178,
+	{0, 0}, {0, 0}, {0, 0},
+	"Belkin F5D5055",
+},
+{
+	/* generic ax88772 must be the last entry */
+	/* planex UE-200TX-G */
+	0x0b95, 0x7720, CHIP_TYPE_AX88772,
+	{0, 0}, {0, 0}, {0, 0},
+	"ASIX AX88772/AX88178",	/* tested */
+},
+};
+
+#define	CHIPTABLESIZE	(sizeof (chiptbl_88x7x) / sizeof (struct chip_info))
+
+struct axf_dev {
+	/*
+	 * Misc HW information
+	 */
+	struct chip_info	*chip;
+	uint8_t			ipg[3];
+	uint8_t			gpio;
+	uint16_t		rcr;
+	uint16_t		msr;
+	uint8_t			last_link_state;
+	boolean_t		phy_has_reset;
+};
+
+/*
+ * private functions
+ */
+
+/* mii operations */
+static uint16_t axf_mii_read(struct usbgem_dev *, uint_t, int *errp);
+static void axf_mii_write(struct usbgem_dev *, uint_t, uint16_t, int *errp);
+
+/* nic operations */
+static int axf_reset_chip(struct usbgem_dev *);
+static int axf_init_chip(struct usbgem_dev *);
+static int axf_start_chip(struct usbgem_dev *);
+static int axf_stop_chip(struct usbgem_dev *);
+static int axf_set_media(struct usbgem_dev *);
+static int axf_set_rx_filter(struct usbgem_dev *);
+static int axf_get_stats(struct usbgem_dev *);
+static void  axf_interrupt(struct usbgem_dev *, mblk_t *);
+
+/* packet operations */
+static mblk_t *axf_tx_make_packet(struct usbgem_dev *, mblk_t *);
+static mblk_t *axf_rx_make_packet(struct usbgem_dev *, mblk_t *);
+
+/* =============================================================== */
+/*
+ * I/O functions
+ */
+/* =============================================================== */
+#define	OUT(dp, req, val, ix, len, buf, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_out((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_HOST_TO_DEV	\
+		    | USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */ (req),	\
+	/* wValue */   (val),	\
+	/* wIndex */   (ix),	\
+	/* wLength */  (len),	\
+	/* value */    (buf),	\
+	/* size */     (len))) != USB_SUCCESS) goto label
+
+#define	IN(dp, req, val, ix, len, buf, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_in((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_DEV_TO_HOST	\
+		    | USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */ (req),	\
+	/* wValue */   (val),	\
+	/* wIndex */   (ix),	\
+	/* wLength */  (len),	\
+	/* valuep */   (buf),	\
+	/* size */     (len))) != USB_SUCCESS) goto label
+
+/* =============================================================== */
+/*
+ * Hardware manupilation
+ */
+/* =============================================================== */
+static int
+axf_reset_phy(struct usbgem_dev *dp)
+{
+	uint8_t	phys[2];
+	uint8_t	val8;
+	int	err;
+	struct axf_dev	*lp = dp->private;
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	if (AX88172(dp)) {
+		delay(drv_usectohz(5000));
+		IN(dp, VCMD_READ_GPIO, 0, 0, 1, &val8, &err, usberr);
+
+		DPRINTF(0, (CE_CONT, "!%s: %s: gpio 0x%b",
+		    dp->name, __func__, val8, GPIO_BITS));
+
+		/* reset MII PHY */
+		val8 = lp->chip->gpio_reset[1]
+		    | lp->chip->gpio_speed[dp->speed]
+		    | lp->chip->gpio_duplex[dp->full_duplex];
+
+		OUT(dp, VCMD_WRITE_GPIO,
+		    val8, 0, 0, NULL, &err, usberr);
+		delay(drv_usectohz(5000));
+
+		val8 = lp->chip->gpio_reset[0]
+		    | lp->chip->gpio_speed[dp->speed]
+		    | lp->chip->gpio_duplex[dp->full_duplex];
+
+		OUT(dp, VCMD_WRITE_GPIO,
+		    val8, 0, 0, NULL, &err, usberr);
+		delay(drv_usectohz(5000));
+	} else {
+		lp->gpio = GPIO_RSE | GPIO_DATA2 | GPIO_EN2;
+		OUT(dp, VCMD_WRITE_GPIO, lp->gpio, 0,
+		    0, NULL, &err, usberr);
+		drv_usecwait(1000);
+
+		OUT(dp, VCMD_WRITE_PHY_SELECT_88772,
+		    dp->mii_phy_addr == 16 ? 1 : 0, 0, 0, NULL, &err, usberr);
+
+		OUT(dp, VCMD_SOFTWARE_RESET_88772,
+		    SWRST_IPPD | SWRST_PRL, 0, 0, NULL, &err, usberr);
+		delay(drv_usectohz(150*1000));
+		OUT(dp, VCMD_SOFTWARE_RESET_88772,
+		    0, 0, 0, NULL, &err, usberr);
+
+		OUT(dp, VCMD_SOFTWARE_RESET_88772,
+		    dp->mii_phy_addr == 16 ? SWRST_IPRL : SWRST_PRTE,
+		    0, 0, NULL, &err, usberr);
+		delay(drv_usectohz(150*1000));
+	}
+
+
+	return (USB_SUCCESS);
+
+usberr:
+	return (USB_FAILURE);
+}
+
+static int
+axf_reset_chip(struct usbgem_dev *dp)
+{
+	int	err = USB_SUCCESS;
+
+	if (AX88172(dp)) {
+		/* there are no ways to reset nic */
+		return (USB_SUCCESS);
+	}
+#ifdef NEVER
+	OUT(dp, VCMD_SOFTWARE_RESET_88772,
+	    SWRST_RR | SWRST_RT, 0, 0, NULL, &err, usberr);
+	OUT(dp, VCMD_SOFTWARE_RESET_88772,
+	    0, 0, 0, NULL, &err, usberr);
+usberr:
+#endif
+	return (err);
+}
+
+/*
+ * Setup ax88172
+ */
+static int
+axf_init_chip(struct usbgem_dev *dp)
+{
+	int		i;
+	uint32_t	val;
+	int		err = USB_SUCCESS;
+	uint16_t	reg;
+	uint8_t		buf[2];
+	uint16_t	tmp16;
+	struct axf_dev	*lp = dp->private;
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/* rx conrol register: read default value */
+	if (!AX88172(dp)) {
+		/* clear rx control */
+		OUT(dp, VCMD_WRITE_RXCTRL, 0, 0, 0, NULL, &err, usberr);
+	}
+
+	IN(dp, VCMD_READ_RXCTRL, 0, 0, 2, buf, &err, usberr);
+	lp->rcr = LE16P(buf);
+	DPRINTF(0, (CE_CONT, "!%s: %s: rcr(default):%b",
+	    dp->name, __func__, lp->rcr, RCR_BITS));
+
+	lp->rcr &= ~RCR_SO;
+
+	/* Media status register */
+	if (AX88172(dp)) {
+#ifdef notdef
+		lp->msr = MSR_TXABT;
+#else
+		lp->msr = 0;
+#endif
+	} else {
+		lp->msr = MSR_RE | MSR_TXABT;
+	}
+	DPRINTF(0, (CE_CONT, "!%s: %s: msr:%b",
+	    dp->name, __func__, lp->msr, MSR_BITS));
+	err = axf_set_media(dp);
+	CHECK_AND_JUMP(err, usberr);
+
+	/* write IPG0-2 registers */
+	if (AX88172(dp)) {
+		OUT(dp, VCMD_WRITE_IPG, lp->ipg[0], 0, 0, NULL, &err, usberr);
+		OUT(dp, VCMD_WRITE_IPG1, lp->ipg[1], 0, 0, NULL, &err, usberr);
+		OUT(dp, VCMD_WRITE_IPG2, lp->ipg[2], 0, 0, NULL, &err, usberr);
+	} else {
+		/* EMPTY */
+	}
+#ifdef ENABLE_RX_IN_INIT_CHIP
+	/* enable Rx */
+	lp->rcr |= RCR_SO;
+	OUT(dp, VCMD_WRITE_RXCTRL, lp->rcr, 0, 0, NULL, &err, usberr);
+#endif
+usberr:
+	DPRINTF(2, (CE_CONT, "!%s: %s: end (%s)",
+	    dp->name, __func__,
+	    err, err == USB_SUCCESS ? "success" : "error"));
+	return (err);
+}
+
+static int
+axf_start_chip(struct usbgem_dev *dp)
+{
+	int	err = USB_SUCCESS;
+	struct axf_dev	*lp = dp->private;
+#ifndef ENABLE_RX_IN_INIT_CHIP
+	/* enable Rx */
+	lp->rcr |= RCR_SO;
+	OUT(dp, VCMD_WRITE_RXCTRL, lp->rcr, 0, 0, NULL, &err, usberr);
+
+usberr:
+	DPRINTF(2, (CE_CONT, "!%s: %s: end (%s)",
+	    dp->name, __func__,
+	    err, err == USB_SUCCESS ? "success" : "error"));
+#endif
+	return (err);
+}
+
+static int
+axf_stop_chip(struct usbgem_dev *dp)
+{
+	int	err = USB_SUCCESS;
+	struct axf_dev	*lp = dp->private;
+
+	/* Disable Rx */
+	lp->rcr &= ~RCR_SO;
+	OUT(dp, VCMD_WRITE_RXCTRL, lp->rcr, 0, 0, NULL, &err, usberr);
+
+	/*
+	 * Restore factory mac address
+	 * if we have changed current mac address
+	 */
+	if (!AX88172(dp) &&
+	    bcmp(dp->dev_addr.ether_addr_octet,
+	    dp->cur_addr.ether_addr_octet,
+	    ETHERADDRL) != 0) {
+		OUT(dp, VCMD_WRITE_NODE_ID_88772, 0, 0,
+		    ETHERADDRL, dp->cur_addr.ether_addr_octet, &err, usberr);
+	}
+usberr:
+	return (axf_reset_chip(dp));
+}
+
+static int
+axf_get_stats(struct usbgem_dev *dp)
+{
+	/* EMPTY */
+	return (USB_SUCCESS);
+}
+
+static uint_t
+axf_mcast_hash(struct usbgem_dev *dp, const uint8_t *addr)
+{
+	return (usbgem_ether_crc_be(addr) >> (32 - 6));
+}
+
+static int
+axf_set_rx_filter(struct usbgem_dev *dp)
+{
+	int		i;
+	uint8_t		mode;
+	uint8_t		mhash[8];
+	uint8_t		buf[2];
+	uint_t		h;
+	int		err = USB_SUCCESS;
+	struct axf_dev	*lp = dp->private;
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: called, rxmode:%x",
+	    dp->name, __func__, dp->rxmode));
+
+	if (lp->rcr & RCR_SO) {
+		/* set promiscuous mode  before changing it. */
+		OUT(dp, VCMD_WRITE_RXCTRL,
+		    lp->rcr | RCR_PRO, 0, 0, NULL, &err, usberr);
+	}
+
+	lp->rcr &= ~(RCR_AP_88772 | RCR_AM | RCR_SEP | RCR_AMALL | RCR_PRO);
+	mode = RCR_AB;	/* accept broadcast packets */
+
+	bzero(mhash, sizeof (mhash));
+
+	if (dp->rxmode & RXMODE_PROMISC) {
+		/* promiscious mode implies all multicast and all physical */
+		mode |= RCR_PRO;
+	} else if ((dp->rxmode & RXMODE_ALLMULTI) || dp->mc_count > 32) {
+		/* accept all multicast packets */
+		mode |= RCR_AMALL;
+	} else if (dp->mc_count > 0) {
+		/*
+		 * make hash table to select interresting
+		 * multicast address only.
+		 */
+		mode |= RCR_AM;
+		for (i = 0; i < dp->mc_count; i++) {
+			h = dp->mc_list[i].hash;
+			mhash[h / 8] |= 1 << (h % 8);
+		}
+	}
+	if (AX88172(dp)) {
+		if (bcmp(dp->dev_addr.ether_addr_octet,
+		    dp->cur_addr.ether_addr_octet, ETHERADDRL) != 0) {
+			/*
+			 * we use promiscious mode instead of changing the
+			 * mac address in ax88172
+			 */
+			mode |= RCR_PRO;
+		}
+	} else {
+		OUT(dp, VCMD_WRITE_NODE_ID_88772, 0, 0,
+		    ETHERADDRL, dp->cur_addr.ether_addr_octet, &err, usberr);
+	}
+	lp->rcr |= mode;
+
+	/* set multicast hash table */
+	if (mode & RCR_AM) {
+		/* need to set up multicast hash table */
+		OUT(dp, VCMD_WRITE_MCAST_FILTER, 0, 0,
+		    sizeof (mhash), mhash, &err, usberr);
+	}
+
+	/* update rcr */
+	OUT(dp, VCMD_WRITE_RXCTRL, lp->rcr, 0,
+	    0, NULL, &err, usberr);
+
+#if DEBUG_LEVEL > 1
+	/* verify rxctrl reg */
+	IN(dp, VCMD_READ_RXCTRL, 0, 0, 2, buf, &err, usberr);
+	cmn_err(CE_CONT, "!%s: %s: rcr:%b returned",
+	    dp->name, __func__, LE16P(buf), RCR_BITS);
+#endif
+usberr:
+	DPRINTF(2, (CE_CONT, "!%s: %s: end (%s)",
+	    dp->name, __func__,
+	    err, err == USB_SUCCESS ? "success" : "error"));
+	return (err);
+}
+
+static int
+axf_set_media(struct usbgem_dev *dp)
+{
+	uint8_t	val8;
+	uint8_t	gpio;
+	uint8_t	gpio_old;
+	int	err = USB_SUCCESS;
+	uint16_t	msr;
+	struct axf_dev	*lp = dp->private;
+
+	IN(dp, VCMD_READ_GPIO, 0, 0, 1, &gpio, &err, usberr);
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called, gpio:%b",
+	    dp->name, __func__, gpio, GPIO_BITS));
+
+	msr = lp->msr;
+	gpio_old = gpio;
+	gpio = lp->chip->gpio_reset[0];
+
+	/* setup speed */
+	if (AX88172(dp)) {
+		/* EMPTY */
+	} else {
+		msr &= ~(MSR_PS | MSR_GM | MSR_ENCK);
+
+		switch (dp->speed) {
+		case USBGEM_SPD_1000:
+			msr |= MSR_GM | MSR_ENCK;
+			break;
+
+		case USBGEM_SPD_100:
+			msr |= MSR_PS;
+			break;
+
+		case USBGEM_SPD_10:
+			break;
+		}
+	}
+	gpio |= lp->chip->gpio_speed[dp->speed == USBGEM_SPD_100 ? 1 : 0];
+
+	/* select duplex */
+	msr &= ~MSR_FDPX;
+	if (dp->full_duplex) {
+		msr |= MSR_FDPX;
+
+		/* select flow control */
+		if (AX88172(dp)) {
+			msr &= ~MSR_FCEN;
+			switch (dp->flow_control) {
+			case FLOW_CONTROL_TX_PAUSE:
+			case FLOW_CONTROL_SYMMETRIC:
+			case FLOW_CONTROL_RX_PAUSE:
+				msr |= MSR_FCEN;
+				break;
+			}
+		} else {
+			msr &= ~(MSR_RFC | MSR_TFC);
+			switch (dp->flow_control) {
+			case FLOW_CONTROL_TX_PAUSE:
+				msr |= MSR_TFC;
+				break;
+
+			case FLOW_CONTROL_SYMMETRIC:
+				msr |= MSR_TFC | MSR_RFC;
+				break;
+
+			case FLOW_CONTROL_RX_PAUSE:
+				msr |= MSR_RFC;
+				break;
+			}
+		}
+	}
+	gpio |= lp->chip->gpio_duplex[dp->full_duplex ? 1 : 0];
+
+	/* update medium status register */
+	lp->msr = msr;
+	OUT(dp, VCMD_WRITE_MEDIUM_STATUS, lp->msr, 0,
+	    0, NULL, &err, usberr);
+
+	if (gpio != gpio_old) {
+		/* LED control required for some products */
+		OUT(dp, VCMD_WRITE_GPIO,
+		    gpio, 0, 0, NULL, &err, usberr);
+	}
+
+usberr:
+	DPRINTF(2, (CE_CONT, "!%s: %s: end (%s)",
+	    dp->name, __func__,
+	    err, err == USB_SUCCESS ? "success" : "error"));
+	return (err);
+}
+
+#define	FILL_PKT_HEADER(bp, len)	{	\
+	(bp)[0] = (uint8_t)(len);	\
+	(bp)[1] = (uint8_t)((len) >> 8);	\
+	(bp)[2] = (uint8_t)(~(len));	\
+	(bp)[3] = (uint8_t)((~(len)) >> 8);	\
+}
+
+#define	PKT_HEADER_SIZE	4
+
+/*
+ * send/receive packet check
+ */
+static mblk_t *
+axf_tx_make_packet(struct usbgem_dev *dp, mblk_t *mp)
+{
+	int		n;
+	size_t		len;
+	size_t		pkt_size;
+	mblk_t		*new;
+	mblk_t		*tp;
+	uint8_t		*bp;
+	uint8_t		*last_pos;
+	uint_t		align_mask;
+	size_t		header_size;
+	int		pad_size;
+
+	len = msgdsize(mp);
+
+	if (AX88172(dp)) {
+#ifdef notdef
+		align_mask = 63;
+#else
+		align_mask = 511;
+#endif
+		header_size = 0;
+
+		if (len >= ETHERMIN && mp->b_cont == NULL &&
+		    (len & align_mask) != 0) {
+			/* use the mp "as is" */
+			return (mp);
+		}
+	} else {
+		align_mask = 511;
+		header_size = PKT_HEADER_SIZE;
+	}
+
+	/*
+	 * re-allocate the mp
+	 */
+	/* minimum ethernet packet size of ETHERMIN */
+	pkt_size = max(len, ETHERMIN);
+
+	if (((pkt_size + header_size) & align_mask) == 0) {
+		/* padding is required in usb communication */
+		pad_size = PKT_HEADER_SIZE;
+	} else {
+		pad_size = 0;
+	}
+
+	if ((new = allocb(header_size + pkt_size + pad_size, 0)) == NULL) {
+		return (NULL);
+	}
+
+	bp = new->b_rptr;
+	if (header_size) {
+		uint16_t	tmp;
+
+		/* add a header */
+		tmp = (uint16_t)pkt_size;
+		FILL_PKT_HEADER(bp, tmp);
+		bp += header_size;
+	}
+
+	/* copy contents of the buffer */
+	for (tp = mp; tp; tp = tp->b_cont) {
+		n = tp->b_wptr - tp->b_rptr;
+		bcopy(tp->b_rptr, bp, n);
+		bp += n;
+	}
+
+	/* add pads for ethernet packets */
+	last_pos = new->b_rptr + header_size + pkt_size;
+	while (bp < last_pos) {
+		*bp++ = 0;
+	}
+
+	/* add a zero-length pad segment for usb communications */
+	if (pad_size) {
+		/* add a dummy header for zero-length packet */
+		FILL_PKT_HEADER(bp, 0);
+		bp += pad_size;
+	}
+
+	/* close the payload of the packet */
+	new->b_wptr = bp;
+
+	return (new);
+}
+
+static void
+axf_dump_packet(struct usbgem_dev *dp, uint8_t *bp, int n)
+{
+	int	i;
+
+	for (i = 0; i < n; i += 8, bp += 8) {
+		cmn_err(CE_CONT, "%02x %02x %02x %02x %02x %02x %02x %02x",
+		    bp[0], bp[1], bp[2], bp[3], bp[4], bp[5], bp[6], bp[7]);
+	}
+}
+
+static mblk_t *
+axf_rx_make_packet(struct usbgem_dev *dp, mblk_t *mp)
+{
+	mblk_t	*tp;
+	int	rest;
+
+	if (AX88172(dp)) {
+		return (mp);
+	}
+
+	tp = mp;
+	rest = tp->b_wptr - tp->b_rptr;
+
+	if (rest <= PKT_HEADER_SIZE) {
+		/*
+		 * the usb bulk-in frame doesn't include any valid
+		 * ethernet packets.
+		 */
+		return (NULL);
+	}
+
+	for (; ; ) {
+		uint16_t	len;
+		uint16_t	cksum;
+
+		/* analyse the header of the received usb frame */
+		len = LE16P(tp->b_rptr + 0);
+		cksum = LE16P(tp->b_rptr + 2);
+
+		/* test if the header is valid */
+		if (len + cksum != 0xffff) {
+			/* discard whole the packet */
+			cmn_err(CE_WARN,
+			    "!%s: %s: corrupted header:%04x %04x",
+			    dp->name, __func__, len, cksum);
+			return (NULL);
+		}
+#if DEBUG_LEVEL > 0
+		if (len < ETHERMIN || len > ETHERMAX) {
+			cmn_err(CE_NOTE,
+			    "!%s: %s: incorrect pktsize:%d",
+			    dp->name, __func__, len);
+		}
+#endif
+		/* extract a ethernet packet from the bulk-in frame */
+		tp->b_rptr += PKT_HEADER_SIZE;
+		tp->b_wptr = tp->b_rptr + len;
+
+		if (len & 1) {
+			/*
+			 * skip a tailing pad byte if the packet
+			 * length is odd
+			 */
+			len++;
+		}
+		rest -= len + PKT_HEADER_SIZE;
+
+		if (rest <= PKT_HEADER_SIZE) {
+			/* no more vaild ethernet packets */
+			break;
+		}
+
+#if DEBUG_LEVEL > 10
+		axf_dump_packet(dp, tp->b_wptr, 18);
+#endif
+		/* allocate a mblk_t header for the next ethernet packet */
+		tp->b_next = dupb(mp);
+		tp->b_next->b_rptr = tp->b_rptr + len;
+		tp = tp->b_next;
+	}
+
+	return (mp);
+}
+
+/*
+ * MII Interfaces
+ */
+static uint16_t
+axf_mii_read(struct usbgem_dev *dp, uint_t index, int *errp)
+{
+	uint8_t		buf[2];
+	uint16_t	val;
+
+	DPRINTF(4, (CE_CONT, "!%s: %s: called, ix:%d",
+	    dp->name, __func__, index));
+
+	/* switch to software MII operation mode */
+	OUT(dp, VCMD_SOFTWARE_MII_OP, 0, 0, 0, NULL, errp, usberr);
+
+	/* Read MII register */
+	IN(dp, VCMD_READ_MII_REG, dp->mii_phy_addr, index,
+	    2, buf, errp, usberr);
+
+	/* switch to hardware MII operation mode */
+	OUT(dp, VCMD_HARDWARE_MII_OP, 0, 0, 0, NULL, errp, usberr);
+
+	return (LE16P(buf));
+
+usberr:
+	cmn_err(CE_CONT,
+	    "!%s: %s: usberr(%d) detected", dp->name, __func__, *errp);
+	return (0);
+}
+
+static void
+axf_mii_write(struct usbgem_dev *dp, uint_t index, uint16_t val, int *errp)
+{
+	uint8_t		buf[2];
+
+	DPRINTF(4, (CE_CONT, "!%s: %s called, reg:%x val:%x",
+	    dp->name, __func__, index, val));
+
+	/* switch software MII operation mode */
+	OUT(dp, VCMD_SOFTWARE_MII_OP, 0, 0, 0, NULL, errp, usberr);
+
+	/* Write to the specified MII register */
+	buf[0] = (uint8_t)val;
+	buf[1] = (uint8_t)(val >> 8);
+	OUT(dp, VCMD_WRITE_MII_REG, dp->mii_phy_addr, index,
+	    2, buf, errp, usberr);
+
+	/* switch to hardware MII operation mode */
+	OUT(dp, VCMD_HARDWARE_MII_OP, 0, 0, 0, NULL, errp, usberr);
+
+usberr:
+	;
+}
+
+static void
+axf_interrupt(struct usbgem_dev *dp, mblk_t *mp)
+{
+	uint8_t	*bp;
+	struct axf_dev	*lp = dp->private;
+
+	bp = mp->b_rptr;
+
+	DPRINTF(2, (CE_CONT,
+	    "!%s: %s: size:%d, %02x %02x %02x %02x %02x %02x %02x %02x",
+	    dp->name, __func__, mp->b_wptr - mp->b_rptr,
+	    bp[0], bp[1], bp[2], bp[3], bp[4], bp[5], bp[6], bp[7]));
+
+	if (lp->last_link_state ^ bp[2]) {
+		usbgem_mii_update_link(dp);
+	}
+
+	lp->last_link_state = bp[2];
+}
+
+/* ======================================================== */
+/*
+ * OS depend (device driver DKI) routine
+ */
+/* ======================================================== */
+#ifdef DEBUG_LEVEL
+static void
+axf_eeprom_dump(struct usbgem_dev *dp, int size)
+{
+	int	i;
+	int	err;
+	uint8_t	w0[2], w1[2], w2[2], w3[2];
+
+	cmn_err(CE_CONT, "!%s: eeprom dump:", dp->name);
+
+	err = USB_SUCCESS;
+
+	for (i = 0; i < size; i += 4) {
+		IN(dp, VCMD_READ_SROM, i + 0, 0, 2, w0, &err, usberr);
+		IN(dp, VCMD_READ_SROM, i + 1, 0, 2, w1, &err, usberr);
+		IN(dp, VCMD_READ_SROM, i + 2, 0, 2, w2, &err, usberr);
+		IN(dp, VCMD_READ_SROM, i + 3, 0, 2, w3, &err, usberr);
+		cmn_err(CE_CONT, "!0x%02x: 0x%04x 0x%04x 0x%04x 0x%04x",
+		    i,
+		    (w0[1] << 8) | w0[0],
+		    (w1[1] << 8) | w1[0],
+		    (w2[1] << 8) | w2[0],
+		    (w3[1] << 8) | w3[0]);
+	}
+usberr:
+	;
+}
+#endif
+
+static int
+axf_attach_chip(struct usbgem_dev *dp)
+{
+	uint8_t	phys[2];
+	int	err;
+	uint_t	vcmd;
+	int	ret;
+#ifdef CONFIG_FULLSIZE_VLAN
+	uint8_t	maxpktsize[2];
+	uint16_t	vlan_pktsize;
+#endif
+#ifdef DEBUG_LEVEL
+	uint8_t	val8;
+#endif
+	struct axf_dev	*lp = dp->private;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s enter", dp->name, __func__));
+
+	ret = USB_SUCCESS;
+	/*
+	 * mac address in EEPROM has loaded to ID registers.
+	 */
+	vcmd = AX88172(dp) ? VCMD_READ_NODE_ID : VCMD_READ_NODE_ID_88772;
+	IN(dp, vcmd, 0, 0,
+	    ETHERADDRL, dp->dev_addr.ether_addr_octet, &err, usberr);
+
+	/*
+	 * setup IPG values
+	 */
+	lp->ipg[0] = 0x15;
+	lp->ipg[1] = 0x0c;
+	lp->ipg[2] = 0x12;
+
+	/*
+	 * We cannot scan phy because the nic returns undefined
+	 * value, i.e. remained garbage, when MII phy is not at the
+	 * specified index.
+	 */
+#ifdef DEBUG_LEVELx
+	if (lp->chip->vid == 0x07b8 && lp->chip->pid == 0x420a) {
+		/*
+		 * restore the original phy address of brain
+		 * damaged Planex UE2-100TX
+		 */
+		OUT(dp, VCMD_WRITE_SROM_ENABLE, 0, 0, 0, NULL, &err, usberr);
+		OUT(dp, VCMD_WRITE_SROM, 0x11, 0xe004, 0, NULL, &err, usberr);
+		OUT(dp, VCMD_WRITE_SROM_DISABLE, 0, 0, 0, NULL, &err, usberr);
+	}
+#endif
+	if (AX88172(dp)) {
+		IN(dp, VCMD_READ_PHY_IDS, 0, 0, 2, &phys, &err, usberr);
+		dp->mii_phy_addr = phys[1];
+		DPRINTF(0, (CE_CONT, "!%s: %s: phys_addr:%d %d",
+		    dp->name, __func__, phys[0], phys[1]));
+	} else {
+		/* use built-in phy */
+		dp->mii_phy_addr = 0x10;
+	}
+
+	dp->misc_flag |= USBGEM_VLAN;
+#ifdef CONFIG_FULLSIZE_VLAN
+	if (AX88172(dp) || AX88772(dp)) {
+		/* check max packet size in srom */
+		IN(dp, VCMD_READ_SROM, 0x10, 0, 2, maxpktsize, &err, usberr);
+		vlan_pktsize = ETHERMAX + ETHERFCSL + 4 /* VTAG_SIZE */;
+
+		if (LE16P(maxpktsize) < vlan_pktsize) {
+			cmn_err(CE_CONT,
+			    "!%s: %s: max packet size in srom is too small, "
+			    "changing %d -> %d, do power cycle for the device",
+			    dp->name, __func__,
+			    LE16P(maxpktsize), vlan_pktsize);
+			OUT(dp, VCMD_WRITE_SROM_ENABLE,
+			    0, 0, 0, NULL, &err, usberr);
+			OUT(dp, VCMD_WRITE_SROM, 0x10,
+			    vlan_pktsize, 0, NULL, &err, usberr);
+			OUT(dp, VCMD_WRITE_SROM_DISABLE,
+			    0, 0, 0, NULL, &err, usberr);
+
+			/* need to power off the device */
+			ret = USB_FAILURE;
+		}
+	}
+#endif
+#ifdef DEBUG_LEVEL
+	IN(dp, VCMD_READ_GPIO, 0, 0, 1, &val8, &err, usberr);
+	cmn_err(CE_CONT,
+	    "!%s: %s: ipg 0x%02x 0x%02x 0x%02x, gpio 0x%b",
+	    dp->name, __func__, lp->ipg[0], lp->ipg[1], lp->ipg[2],
+	    val8, GPIO_BITS);
+#endif
+	/* fix rx buffer size */
+	if (!AX88172(dp)) {
+		dp->rx_buf_len = 2048;
+	}
+
+#if DEBUG_LEVEL > 0
+	axf_eeprom_dump(dp, 0x20);
+#endif
+	return (ret);
+
+usberr:
+	cmn_err(CE_WARN, "%s: %s: usb error detected (%d)",
+	    dp->name, __func__, err);
+	return (USB_FAILURE);
+}
+
+static boolean_t
+axf_scan_phy(struct usbgem_dev *dp)
+{
+	int	i;
+	int	err;
+	uint16_t	val;
+	int	phy_addr_saved;
+	struct axf_dev	*lp = dp->private;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	phy_addr_saved = dp->mii_phy_addr;
+
+	/* special probe routine for unreliable MII addr */
+#define	PROBE_PAT	\
+	(MII_ABILITY_100BASE_TX_FD |	\
+	MII_ABILITY_100BASE_TX |	\
+	MII_ABILITY_10BASE_T_FD |	\
+	MII_ABILITY_10BASE_T)
+
+	for (i = 0; i < 32; i++) {
+		dp->mii_phy_addr = i;
+		axf_mii_write(dp, MII_AN_ADVERT, 0, &err);
+		if (err != USBGEM_SUCCESS) {
+			break;
+		}
+		val = axf_mii_read(dp, MII_AN_ADVERT, &err);
+		if (err != USBGEM_SUCCESS) {
+			break;
+		}
+		if (val != 0) {
+			DPRINTF(0, (CE_CONT, "!%s: %s: index:%d,  val %b != 0",
+			    dp->name, __func__, i, val, MII_ABILITY_BITS));
+			continue;
+		}
+
+		axf_mii_write(dp, MII_AN_ADVERT, PROBE_PAT, &err);
+		if (err != USBGEM_SUCCESS) {
+			break;
+		}
+		val = axf_mii_read(dp, MII_AN_ADVERT, &err);
+		if (err != USBGEM_SUCCESS) {
+			break;
+		}
+		if ((val & MII_ABILITY_TECH) != PROBE_PAT) {
+			DPRINTF(0, (CE_CONT, "!%s: %s: "
+			    "index:%d,  pat:%x != val:%b",
+			    dp->name, __func__, i,
+			    PROBE_PAT, val, MII_ABILITY_BITS));
+			continue;
+		}
+
+		/* found */
+		dp->mii_phy_addr = phy_addr_saved;
+		return (i);
+	}
+#undef PROBE_PAT
+	if (i == 32) {
+		cmn_err(CE_CONT, "!%s: %s: no mii phy found",
+		    dp->name, __func__);
+	} else {
+		cmn_err(CE_CONT, "!%s: %s: i/o error while scanning phy",
+		    dp->name, __func__);
+	}
+	dp->mii_phy_addr = phy_addr_saved;
+	return (-1);
+}
+
+static int
+axf_mii_probe(struct usbgem_dev *dp)
+{
+	int	my_guess;
+	int	err;
+	uint8_t	old_11th[2];
+	uint8_t	new_11th[2];
+	struct axf_dev	*lp = dp->private;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+	(void) axf_reset_phy(dp);
+	lp->phy_has_reset = B_TRUE;
+
+	if (AX88172(dp)) {
+		my_guess = axf_scan_phy(dp);
+		if (my_guess >= 0 && my_guess < 32 &&
+		    my_guess != dp->mii_phy_addr) {
+			/*
+			 * phy addr in srom is wrong, need to fix it
+			 */
+			IN(dp, VCMD_READ_SROM,
+			    0x11, 0, 2, old_11th, &err, usberr);
+
+			new_11th[0] = my_guess;
+			new_11th[1] = old_11th[1];
+
+			OUT(dp, VCMD_WRITE_SROM_ENABLE,
+			    0, 0, 0, NULL, &err, usberr);
+			OUT(dp, VCMD_WRITE_SROM,
+			    0x11, LE16P(new_11th), 0, NULL, &err, usberr);
+			OUT(dp, VCMD_WRITE_SROM_DISABLE,
+			    0, 0, 0, NULL, &err, usberr);
+#if 1
+			/* XXX - read back, but it doesn't work, why? */
+			delay(drv_usectohz(1000*1000));
+			IN(dp, VCMD_READ_SROM,
+			    0x11, 0, 2, new_11th, &err, usberr);
+#endif
+			cmn_err(CE_NOTE, "!%s: %s: phy addr in srom fixed: "
+			    "%04x -> %04x",
+			    dp->name, __func__,
+			    LE16P(old_11th), LE16P(new_11th));
+			return (USBGEM_FAILURE);
+usberr:
+			cmn_err(CE_NOTE,
+			    "!%s: %s:  failed to patch phy addr, "
+			    "current: %04x",
+			    dp->name, __func__, LE16P(old_11th));
+			return (USBGEM_FAILURE);
+		}
+	}
+	return (usbgem_mii_probe_default(dp));
+}
+
+static int
+axf_mii_init(struct usbgem_dev *dp)
+{
+	struct axf_dev	*lp = dp->private;
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	if (!lp->phy_has_reset) {
+		(void) axf_reset_phy(dp);
+	}
+
+	/* prepare to reset phy on the next reconnect or resume */
+	lp->phy_has_reset = B_FALSE;
+
+	return (USB_SUCCESS);
+}
+
+static int
+axfattach(dev_info_t *dip, ddi_attach_cmd_t cmd)
+{
+	int			i;
+	ddi_iblock_cookie_t	c;
+	int			ret;
+	int			revid;
+	int			unit;
+	int			vid;
+	int			pid;
+	struct chip_info	*p;
+	int			len;
+	const char		*drv_name;
+	struct usbgem_dev	*dp;
+	void			*base;
+	struct usbgem_conf	*ugcp;
+	struct axf_dev		*lp;
+
+	unit = ddi_get_instance(dip);
+	drv_name = ddi_driver_name(dip);
+
+	DPRINTF(3, (CE_CONT, "!%s%d: %s: called, cmd:%d",
+	    drv_name, unit, __func__, cmd));
+
+	if (cmd == DDI_ATTACH) {
+		/*
+		 * Check if the chip is supported.
+		 */
+		vid = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
+		    "usb-vendor-id", -1);
+		pid = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
+		    "usb-product-id", -1);
+		revid = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
+		    "usb-revision-id", -1);
+
+		for (i = 0, p = chiptbl_88x7x; i < CHIPTABLESIZE; i++, p++) {
+			if (p->vid == vid && p->pid == pid) {
+				/* found */
+				cmn_err(CE_CONT, "!%s%d: %s "
+				    "(vid: 0x%04x, did: 0x%04x, revid: 0x%02x)",
+				    drv_name, unit, p->name, vid, pid, revid);
+				goto chip_found;
+			}
+		}
+
+		/* Not found */
+		cmn_err(CE_WARN, "!%s: %s: wrong usb venid/prodid (0x%x, 0x%x)",
+		    drv_name, __func__, vid, pid);
+
+		/* assume 88772 */
+		p = &chiptbl_88x7x[CHIPTABLESIZE - 1];
+chip_found:
+		/*
+		 * construct usbgem configration
+		 */
+		ugcp = kmem_zalloc(sizeof (*ugcp), KM_SLEEP);
+
+		/* name */
+		/*
+		 * softmac requires that ppa is the instance number
+		 * of the device, otherwise it hangs in seaching the device.
+		 */
+		sprintf(ugcp->usbgc_name, "%s%d", drv_name, unit);
+		ugcp->usbgc_ppa = unit;
+
+		ugcp->usbgc_ifnum = 0;
+		ugcp->usbgc_alt = 0;
+
+		ugcp->usbgc_tx_list_max = 64;
+
+		ugcp->usbgc_rx_header_len = 0;
+		ugcp->usbgc_rx_list_max = 64;
+
+		/* time out parameters */
+		ugcp->usbgc_tx_timeout = USBGEM_TX_TIMEOUT;
+		ugcp->usbgc_tx_timeout_interval = USBGEM_TX_TIMEOUT_INTERVAL;
+
+		/* flow control */
+		/*
+		 * XXX - flow control caused link down frequently under
+		 * heavy traffic
+		 */
+		ugcp->usbgc_flow_control = FLOW_CONTROL_RX_PAUSE;
+
+		/* MII timeout parameters */
+		ugcp->usbgc_mii_link_watch_interval = ONESEC;
+		ugcp->usbgc_mii_an_watch_interval = ONESEC/5;
+		ugcp->usbgc_mii_reset_timeout = MII_RESET_TIMEOUT; /* 1 sec */
+		ugcp->usbgc_mii_an_timeout = MII_AN_TIMEOUT;	/* 5 sec */
+		ugcp->usbgc_mii_an_wait = 0;
+		ugcp->usbgc_mii_linkdown_timeout = MII_LINKDOWN_TIMEOUT;
+
+		ugcp->usbgc_mii_an_delay = ONESEC/10;
+		ugcp->usbgc_mii_linkdown_action = MII_ACTION_RSA;
+		ugcp->usbgc_mii_linkdown_timeout_action = MII_ACTION_RESET;
+		ugcp->usbgc_mii_dont_reset = B_FALSE;
+		ugcp->usbgc_mii_hw_link_detection = B_TRUE;
+		ugcp->usbgc_mii_stop_mac_on_linkdown = B_FALSE;
+
+		/* I/O methods */
+
+		/* mac operation */
+		ugcp->usbgc_attach_chip = &axf_attach_chip;
+		ugcp->usbgc_reset_chip = &axf_reset_chip;
+		ugcp->usbgc_init_chip = &axf_init_chip;
+		ugcp->usbgc_start_chip = &axf_start_chip;
+		ugcp->usbgc_stop_chip = &axf_stop_chip;
+		ugcp->usbgc_multicast_hash = &axf_mcast_hash;
+
+		ugcp->usbgc_set_rx_filter = &axf_set_rx_filter;
+		ugcp->usbgc_set_media = &axf_set_media;
+		ugcp->usbgc_get_stats = &axf_get_stats;
+		ugcp->usbgc_interrupt = &axf_interrupt;
+
+		/* packet operation */
+		ugcp->usbgc_tx_make_packet = &axf_tx_make_packet;
+		ugcp->usbgc_rx_make_packet = &axf_rx_make_packet;
+
+		/* mii operations */
+		ugcp->usbgc_mii_probe = &axf_mii_probe;
+		ugcp->usbgc_mii_init = &axf_mii_init;
+		ugcp->usbgc_mii_config = &usbgem_mii_config_default;
+		ugcp->usbgc_mii_read = &axf_mii_read;
+		ugcp->usbgc_mii_write = &axf_mii_write;
+
+		/* mtu */
+		ugcp->usbgc_min_mtu = ETHERMTU;
+		ugcp->usbgc_max_mtu = ETHERMTU;
+		ugcp->usbgc_default_mtu = ETHERMTU;
+
+		lp = kmem_zalloc(sizeof (struct axf_dev), KM_SLEEP);
+		lp->chip = p;
+		lp->last_link_state = 0;
+		lp->phy_has_reset = B_FALSE;
+
+		dp = usbgem_do_attach(dip, ugcp, lp, sizeof (struct axf_dev));
+
+		kmem_free(ugcp, sizeof (*ugcp));
+
+		if (dp != NULL) {
+			return (DDI_SUCCESS);
+		}
+
+err_free_mem:
+		kmem_free(lp, sizeof (struct axf_dev));
+err_close_pipe:
+err:
+		return (DDI_FAILURE);
+	}
+
+	if (cmd == DDI_RESUME) {
+		return (usbgem_resume(dip));
+	}
+
+	return (DDI_FAILURE);
+}
+
+static int
+axfdetach(dev_info_t *dip, ddi_detach_cmd_t cmd)
+{
+	int	ret;
+
+	if (cmd == DDI_DETACH) {
+		ret = usbgem_do_detach(dip);
+		if (ret != DDI_SUCCESS) {
+			return (DDI_FAILURE);
+		}
+		return (DDI_SUCCESS);
+	}
+	if (cmd == DDI_SUSPEND) {
+		return (usbgem_suspend(dip));
+	}
+	return (DDI_FAILURE);
+}
+
+/* ======================================================== */
+/*
+ * OS depend (loadable streams driver) routine
+ */
+/* ======================================================== */
+#ifdef USBGEM_CONFIG_GLDv3
+USBGEM_STREAM_OPS(axf_ops, axfattach, axfdetach);
+#else
+static	struct module_info axfminfo = {
+	0,			/* mi_idnum */
+	"axf",			/* mi_idname */
+	0,			/* mi_minpsz */
+	ETHERMTU,		/* mi_maxpsz */
+	ETHERMTU*128,		/* mi_hiwat */
+	1,			/* mi_lowat */
+};
+
+static	struct qinit axfrinit = {
+	(int (*)()) NULL,	/* qi_putp */
+	usbgem_rsrv,		/* qi_srvp */
+	usbgem_open,		/* qi_qopen */
+	usbgem_close,		/* qi_qclose */
+	(int (*)()) NULL,	/* qi_qadmin */
+	&axfminfo,		/* qi_minfo */
+	NULL			/* qi_mstat */
+};
+
+static	struct qinit axfwinit = {
+	usbgem_wput,		/* qi_putp */
+	usbgem_wsrv,		/* qi_srvp */
+	(int (*)()) NULL,	/* qi_qopen */
+	(int (*)()) NULL,	/* qi_qclose */
+	(int (*)()) NULL,	/* qi_qadmin */
+	&axfminfo,		/* qi_minfo */
+	NULL			/* qi_mstat */
+};
+
+static struct streamtab	axf_info = {
+	&axfrinit,	/* st_rdinit */
+	&axfwinit,	/* st_wrinit */
+	NULL,		/* st_muxrinit */
+	NULL		/* st_muxwrinit */
+};
+
+static	struct cb_ops cb_axf_ops = {
+	nulldev,	/* cb_open */
+	nulldev,	/* cb_close */
+	nodev,		/* cb_strategy */
+	nodev,		/* cb_print */
+	nodev,		/* cb_dump */
+	nodev,		/* cb_read */
+	nodev,		/* cb_write */
+	nodev,		/* cb_ioctl */
+	nodev,		/* cb_devmap */
+	nodev,		/* cb_mmap */
+	nodev,		/* cb_segmap */
+	nochpoll,	/* cb_chpoll */
+	ddi_prop_op,	/* cb_prop_op */
+	&axf_info,	/* cb_stream */
+	D_NEW|D_MP	/* cb_flag */
+};
+
+static	struct dev_ops axf_ops = {
+	DEVO_REV,	/* devo_rev */
+	0,		/* devo_refcnt */
+	usbgem_getinfo,	/* devo_getinfo */
+	nulldev,	/* devo_identify */
+	nulldev,	/* devo_probe */
+	axfattach,	/* devo_attach */
+	axfdetach,	/* devo_detach */
+	nodev,		/* devo_reset */
+	&cb_axf_ops,	/* devo_cb_ops */
+	NULL,		/* devo_bus_ops */
+	usbgem_power,	/* devo_power */
+#if DEVO_REV >= 4
+	usbgem_quiesce,	/* devo_quiesce */
+#endif
+};
+#endif
+
+static struct modldrv modldrv = {
+	&mod_driverops,	/* Type of module.  This one is a driver */
+	ident,
+	&axf_ops,	/* driver ops */
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1, &modldrv, NULL
+};
+
+/* ======================================================== */
+/*
+ * _init : done
+ */
+/* ======================================================== */
+int
+_init(void)
+{
+	int 	status;
+
+	DPRINTF(2, (CE_CONT, "!axf: _init: called"));
+
+	status = usbgem_mod_init(&axf_ops, "axf");
+	if (status != DDI_SUCCESS) {
+		return (status);
+	}
+	status = mod_install(&modlinkage);
+	if (status != DDI_SUCCESS) {
+		usbgem_mod_fini(&axf_ops);
+	}
+	return (status);
+}
+
+/*
+ * _fini : done
+ */
+int
+_fini(void)
+{
+	int	status;
+
+	DPRINTF(2, (CE_CONT, "!axf: _fini: called"));
+	status = mod_remove(&modlinkage);
+	if (status == DDI_SUCCESS) {
+		usbgem_mod_fini(&axf_ops);
+	}
+	return (status);
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
diff --git a/usr/src/uts/common/io/cons.c b/usr/src/uts/common/io/cons.c
index 6ef1b0b9f7..495ae93cf9 100644
--- a/usr/src/uts/common/io/cons.c
+++ b/usr/src/uts/common/io/cons.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 1982, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -53,6 +54,7 @@
 #include <sys/vnode.h>
 #include <sys/uio.h>
 #include <sys/stat.h>
+#include <sys/limits.h>
 
 #include <sys/console.h>
 #include <sys/consdev.h>
@@ -414,14 +416,24 @@ cnwrite(dev_t dev, struct uio *uio, struct cred *cred)
 	 */
 	if (vsconsvp != NULL && vsconsvp->v_stream != NULL) {
 		struiod_t uiod;
+		struct iovec buf[IOV_MAX_STACK];
+		int iovlen = 0;
+
+		if (uio->uio_iovcnt > IOV_MAX_STACK) {
+			iovlen = uio->uio_iovcnt * sizeof (iovec_t);
+			uiod.d_iov = kmem_alloc(iovlen, KM_SLEEP);
+		} else {
+			uiod.d_iov = buf;
+		}
 
 		/*
 		 * strwrite modifies uio so need to make copy.
 		 */
-		(void) uiodup(uio, &uiod.d_uio, uiod.d_iov,
-		    sizeof (uiod.d_iov) / sizeof (*uiod.d_iov));
+		(void) uiodup(uio, &uiod.d_uio, uiod.d_iov, uio->uio_iovcnt);
 
 		(void) strwrite(vsconsvp, &uiod.d_uio, cred);
+		if (iovlen != 0)
+			kmem_free(uiod.d_iov, iovlen);
 	}
 
 	if (rconsvp->v_stream != NULL)
diff --git a/usr/src/uts/common/io/devpoll.c b/usr/src/uts/common/io/devpoll.c
index a3fcbbba03..5c4dcc83ed 100644
--- a/usr/src/uts/common/io/devpoll.c
+++ b/usr/src/uts/common/io/devpoll.c
@@ -25,6 +25,7 @@
 
 /*
  * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
  */
 
 #include <sys/types.h>
@@ -45,6 +46,8 @@
 #include <sys/devpoll.h>
 #include <sys/rctl.h>
 #include <sys/resource.h>
+#include <sys/schedctl.h>
+#include <sys/epoll.h>
 
 #define	RESERVED	1
 
@@ -237,7 +240,8 @@ dpinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result)
  *	 stale entries!
  */
 static int
-dp_pcache_poll(pollfd_t *pfdp, pollcache_t *pcp, nfds_t nfds, int *fdcntp)
+dp_pcache_poll(dp_entry_t *dpep, void *dpbuf,
+    pollcache_t *pcp, nfds_t nfds, int *fdcntp)
 {
 	int		start, ostart, end;
 	int		fdcnt, fd;
@@ -247,7 +251,10 @@ dp_pcache_poll(pollfd_t *pfdp, pollcache_t *pcp, nfds_t nfds, int *fdcntp)
 	boolean_t	no_wrap;
 	pollhead_t	*php;
 	polldat_t	*pdp;
+	pollfd_t	*pfdp;
+	epoll_event_t	*epoll;
 	int		error = 0;
+	short		mask = POLLRDHUP | POLLWRBAND;
 
 	ASSERT(MUTEX_HELD(&pcp->pc_lock));
 	if (pcp->pc_bitmap == NULL) {
@@ -257,6 +264,14 @@ dp_pcache_poll(pollfd_t *pfdp, pollcache_t *pcp, nfds_t nfds, int *fdcntp)
 		 */
 		return (error);
 	}
+
+	if (dpep->dpe_flag & DP_ISEPOLLCOMPAT) {
+		pfdp = NULL;
+		epoll = (epoll_event_t *)dpbuf;
+	} else {
+		pfdp = (pollfd_t *)dpbuf;
+		epoll = NULL;
+	}
 retry:
 	start = ostart = pcp->pc_mapstart;
 	end = pcp->pc_mapend;
@@ -316,11 +331,32 @@ repoll:
 				 * polling a closed fd. Hope this will remind
 				 * user to do a POLLREMOVE.
 				 */
-				pfdp[fdcnt].fd = fd;
-				pfdp[fdcnt].revents = POLLNVAL;
-				fdcnt++;
+				if (pfdp != NULL) {
+					pfdp[fdcnt].fd = fd;
+					pfdp[fdcnt].revents = POLLNVAL;
+					fdcnt++;
+					continue;
+				}
+
+				/*
+				 * In the epoll compatibility case, we actually
+				 * perform the implicit removal to remain
+				 * closer to the epoll semantics.
+				 */
+				ASSERT(epoll != NULL);
+
+				pdp->pd_fp = NULL;
+				pdp->pd_events = 0;
+
+				if (php != NULL) {
+					pollhead_delete(php, pdp);
+					pdp->pd_php = NULL;
+				}
+
+				BT_CLEAR(pcp->pc_bitmap, fd);
 				continue;
 			}
+
 			if (fp != pdp->pd_fp) {
 				/*
 				 * user is polling on a cached fd which was
@@ -376,9 +412,69 @@ repoll:
 			}
 
 			if (revent != 0) {
-				pfdp[fdcnt].fd = fd;
-				pfdp[fdcnt].events = pdp->pd_events;
-				pfdp[fdcnt].revents = revent;
+				if (pfdp != NULL) {
+					pfdp[fdcnt].fd = fd;
+					pfdp[fdcnt].events = pdp->pd_events;
+					pfdp[fdcnt].revents = revent;
+				} else {
+					epoll_event_t *ep = &epoll[fdcnt];
+
+					ASSERT(epoll != NULL);
+					ep->data.u64 = pdp->pd_epolldata;
+
+					/*
+					 * If any of the event bits are set for
+					 * which poll and epoll representations
+					 * differ, swizzle in the native epoll
+					 * values.
+					 */
+					if (revent & mask) {
+						ep->events = (revent & ~mask) |
+						    ((revent & POLLRDHUP) ?
+						    EPOLLRDHUP : 0) |
+						    ((revent & POLLWRBAND) ?
+						    EPOLLWRBAND : 0);
+					} else {
+						ep->events = revent;
+					}
+
+					/*
+					 * We define POLLWRNORM to be POLLOUT,
+					 * but epoll has separate definitions
+					 * for them; if POLLOUT is set and the
+					 * user has asked for EPOLLWRNORM, set
+					 * that as well.
+					 */
+					if ((revent & POLLOUT) &&
+					    (pdp->pd_events & EPOLLWRNORM)) {
+						ep->events |= EPOLLWRNORM;
+					}
+				}
+
+				/*
+				 * If POLLET is set, clear the bit in the
+				 * bitmap -- which effectively latches the
+				 * edge on a pollwakeup() from the driver.
+				 */
+				if (pdp->pd_events & POLLET)
+					BT_CLEAR(pcp->pc_bitmap, fd);
+
+				/*
+				 * If POLLONESHOT is set, perform the implicit
+				 * POLLREMOVE.
+				 */
+				if (pdp->pd_events & POLLONESHOT) {
+					pdp->pd_fp = NULL;
+					pdp->pd_events = 0;
+
+					if (php != NULL) {
+						pollhead_delete(php, pdp);
+						pdp->pd_php = NULL;
+					}
+
+					BT_CLEAR(pcp->pc_bitmap, fd);
+				}
+
 				fdcnt++;
 			} else if (php != NULL) {
 				/*
@@ -392,7 +488,7 @@ repoll:
 				 * in bitmap.
 				 */
 				if ((pdp->pd_php != NULL) &&
-				    ((pcp->pc_flag & T_POLLWAKE) == 0)) {
+				    ((pcp->pc_flag & PC_POLLWAKE) == 0)) {
 					BT_CLEAR(pcp->pc_bitmap, fd);
 				}
 				if (pdp->pd_php == NULL) {
@@ -473,11 +569,15 @@ dpopen(dev_t *devp, int flag, int otyp, cred_t *credp)
 	/*
 	 * allocate a pollcache skeleton here. Delay allocating bitmap
 	 * structures until dpwrite() time, since we don't know the
-	 * optimal size yet.
+	 * optimal size yet.  We also delay setting the pid until either
+	 * dpwrite() or attempt to poll on the instance, allowing parents
+	 * to create instances of /dev/poll for their children.  (In the
+	 * epoll compatibility case, this check isn't performed to maintain
+	 * semantic compatibility.)
 	 */
 	pcp = pcache_alloc();
 	dpep->dpe_pcache = pcp;
-	pcp->pc_pid = curproc->p_pid;
+	pcp->pc_pid = -1;
 	*devp = makedevice(getmajor(*devp), minordev);  /* clone the driver */
 	mutex_enter(&devpoll_lock);
 	ASSERT(minordev < dptblsize);
@@ -499,7 +599,9 @@ dpwrite(dev_t dev, struct uio *uiop, cred_t *credp)
 	dp_entry_t	*dpep;
 	pollcache_t	*pcp;
 	pollfd_t	*pollfdp, *pfdp;
-	int		error;
+	dvpoll_epollfd_t *epfdp;
+	uintptr_t	limit;
+	int		error, size;
 	ssize_t		uiosize;
 	nfds_t		pollfdnum;
 	struct pollhead	*php = NULL;
@@ -515,11 +617,23 @@ dpwrite(dev_t dev, struct uio *uiop, cred_t *credp)
 	ASSERT(dpep != NULL);
 	mutex_exit(&devpoll_lock);
 	pcp = dpep->dpe_pcache;
-	if (curproc->p_pid != pcp->pc_pid) {
-		return (EACCES);
+
+	if (!(dpep->dpe_flag & DP_ISEPOLLCOMPAT) &&
+	    curproc->p_pid != pcp->pc_pid) {
+		if (pcp->pc_pid != -1)
+			return (EACCES);
+
+		pcp->pc_pid = curproc->p_pid;
+	}
+
+	if (dpep->dpe_flag & DP_ISEPOLLCOMPAT) {
+		size = sizeof (dvpoll_epollfd_t);
+	} else {
+		size = sizeof (pollfd_t);
 	}
+
 	uiosize = uiop->uio_resid;
-	pollfdnum = uiosize / sizeof (pollfd_t);
+	pollfdnum = uiosize / size;
 	mutex_enter(&curproc->p_lock);
 	if (pollfdnum > (uint_t)rctl_enforced_value(
 	    rctlproc_legacy[RLIMIT_NOFILE], curproc->p_rctls, curproc)) {
@@ -534,6 +648,7 @@ dpwrite(dev_t dev, struct uio *uiop, cred_t *credp)
 	 * each polled fd to the cached set.
 	 */
 	pollfdp = kmem_alloc(uiosize, KM_SLEEP);
+	limit = (uintptr_t)pollfdp + (pollfdnum * size);
 
 	/*
 	 * Although /dev/poll uses the write(2) interface to cache fds, it's
@@ -555,9 +670,27 @@ dpwrite(dev_t dev, struct uio *uiop, cred_t *credp)
 	mutex_enter(&dpep->dpe_lock);
 	dpep->dpe_writerwait++;
 	while (dpep->dpe_refcnt != 0) {
+		/*
+		 * We need to do a bit of a dance here:  we need to drop
+		 * our dpe_lock and grab the pc_lock to broadcast the pc_cv to
+		 * kick any DP_POLL/DP_PPOLL sleepers.
+		 */
+		mutex_exit(&dpep->dpe_lock);
+		mutex_enter(&pcp->pc_lock);
+		pcp->pc_flag |= PC_WRITEWANTED;
+		cv_broadcast(&pcp->pc_cv);
+		mutex_exit(&pcp->pc_lock);
+		mutex_enter(&dpep->dpe_lock);
+
+		if (dpep->dpe_refcnt == 0)
+			break;
+
 		if (!cv_wait_sig_swap(&dpep->dpe_cv, &dpep->dpe_lock)) {
 			dpep->dpe_writerwait--;
 			mutex_exit(&dpep->dpe_lock);
+			mutex_enter(&pcp->pc_lock);
+			pcp->pc_flag &= ~PC_WRITEWANTED;
+			mutex_exit(&pcp->pc_lock);
 			kmem_free(pollfdp, uiosize);
 			return (set_errno(EINTR));
 		}
@@ -565,24 +698,103 @@ dpwrite(dev_t dev, struct uio *uiop, cred_t *credp)
 	dpep->dpe_writerwait--;
 	dpep->dpe_flag |= DP_WRITER_PRESENT;
 	dpep->dpe_refcnt++;
+
 	mutex_exit(&dpep->dpe_lock);
 
 	mutex_enter(&pcp->pc_lock);
+	pcp->pc_flag &= ~PC_WRITEWANTED;
+
 	if (pcp->pc_bitmap == NULL) {
 		pcache_create(pcp, pollfdnum);
 	}
-	for (pfdp = pollfdp; pfdp < pollfdp + pollfdnum; pfdp++) {
+	for (pfdp = pollfdp; (uintptr_t)pfdp < limit;
+	    pfdp = (pollfd_t *)((uintptr_t)pfdp + size)) {
 		fd = pfdp->fd;
-		if ((uint_t)fd >= P_FINFO(curproc)->fi_nfiles)
+		if ((uint_t)fd >= P_FINFO(curproc)->fi_nfiles) {
+			/*
+			 * epoll semantics demand that we return EBADF if our
+			 * specified fd is invalid.
+			 */
+			if (dpep->dpe_flag & DP_ISEPOLLCOMPAT) {
+				error = EBADF;
+				break;
+			}
+
 			continue;
+		}
+
 		pdp = pcache_lookup_fd(pcp, fd);
 		if (pfdp->events != POLLREMOVE) {
+
+			fp = NULL;
+
 			if (pdp == NULL) {
+				/*
+				 * If we're in epoll compatibility mode, check
+				 * that the fd is valid before allocating
+				 * anything for it; epoll semantics demand that
+				 * we return EBADF if our specified fd is
+				 * invalid.
+				 */
+				if (dpep->dpe_flag & DP_ISEPOLLCOMPAT) {
+					if ((fp = getf(fd)) == NULL) {
+						error = EBADF;
+						break;
+					}
+
+					/*
+					 * To (greatly) reduce EEXIST false
+					 * positives, we denote that this
+					 * fp has been epoll()'d; see below.
+					 */
+					fp->f_flag2 |= FEPOLLED;
+				}
+
 				pdp = pcache_alloc_fd(0);
 				pdp->pd_fd = fd;
 				pdp->pd_pcache = pcp;
 				pcache_insert_fd(pcp, pdp, pollfdnum);
+			} else {
+				/*
+				 * epoll semantics demand that we error out if
+				 * a file descriptor is added twice, which we
+				 * check (imperfectly) by checking if we both
+				 * have the file descriptor cached and the
+				 * file pointer that correponds to the file
+				 * descriptor matches our cached value.  (If
+				 * there is a pointer mismatch, the file
+				 * descriptor was closed without being removed.
+				 * The converse is clearly not true, however,
+				 * so to narrow the window by which a spurious
+				 * EEXIST may be returned, we also check if
+				 * this fp has been added to an epoll control
+				 * descriptor in the past; if it hasn't, we
+				 * know that this is due to fp reuse -- it's
+				 * not a true EEXIST case.  (By performing this
+				 * additional check, we limit the window of
+				 * spurious EEXIST to situations where a single
+				 * file descriptor is being used across two or
+				 * more epoll control descriptors -- and even
+				 * then, the file descriptor must be closed and
+				 * reused in a relatively tight time span.)
+				 */
+				if ((dpep->dpe_flag & DP_ISEPOLLCOMPAT) &&
+				    pdp->pd_fp != NULL &&
+				    (fp = getf(fd)) != NULL &&
+				    fp == pdp->pd_fp &&
+				    (fp->f_flag2 & FEPOLLED)) {
+					error = EEXIST;
+					releasef(fd);
+					break;
+				}
+			}
+
+			if (dpep->dpe_flag & DP_ISEPOLLCOMPAT) {
+				/* LINTED pointer alignment */
+				epfdp = (dvpoll_epollfd_t *)pfdp;
+				pdp->pd_epolldata = epfdp->dpep_data;
 			}
+
 			ASSERT(pdp->pd_fd == fd);
 			ASSERT(pdp->pd_pcache == pcp);
 			if (fd >= pcp->pc_mapsize) {
@@ -593,7 +805,7 @@ dpwrite(dev_t dev, struct uio *uiop, cred_t *credp)
 			if (fd > pcp->pc_mapend) {
 				pcp->pc_mapend = fd;
 			}
-			if ((fp = getf(fd)) == NULL) {
+			if (fp == NULL && (fp = getf(fd)) == NULL) {
 				/*
 				 * The fd is not valid. Since we can't pass
 				 * this error back in the write() call, set
@@ -609,7 +821,7 @@ dpwrite(dev_t dev, struct uio *uiop, cred_t *credp)
 			 * same poll events.
 			 */
 			if ((pdp->pd_events == pfdp->events) &&
-			    (pdp->pd_fp != NULL)) {
+			    (pdp->pd_fp == fp)) {
 				/*
 				 * the events are already cached
 				 */
@@ -665,7 +877,17 @@ dpwrite(dev_t dev, struct uio *uiop, cred_t *credp)
 			}
 			releasef(fd);
 		} else {
-			if (pdp == NULL) {
+			if (pdp == NULL || pdp->pd_fp == NULL) {
+				if (dpep->dpe_flag & DP_ISEPOLLCOMPAT) {
+					/*
+					 * As with the add case (above), epoll
+					 * semantics demand that we error out
+					 * in this case.
+					 */
+					error = ENOENT;
+					break;
+				}
+
 				continue;
 			}
 			ASSERT(pdp->pd_fd == fd);
@@ -690,6 +912,17 @@ dpwrite(dev_t dev, struct uio *uiop, cred_t *credp)
 	return (error);
 }
 
+#define	DP_SIGMASK_RESTORE(ksetp) {					\
+	if (ksetp != NULL) {						\
+		mutex_enter(&p->p_lock);				\
+		if (lwp->lwp_cursig == 0) {				\
+			t->t_hold = lwp->lwp_sigoldmask;		\
+			t->t_flag &= ~T_TOMASK;				\
+		}							\
+		mutex_exit(&p->p_lock);					\
+	}								\
+}
+
 /*ARGSUSED*/
 static int
 dpioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, int *rvalp)
@@ -701,7 +934,7 @@ dpioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, int *rvalp)
 	int		error = 0;
 	STRUCT_DECL(dvpoll, dvpoll);
 
-	if (cmd == DP_POLL) {
+	if (cmd == DP_POLL || cmd == DP_PPOLL) {
 		/* do this now, before we sleep on DP_WRITER_PRESENT */
 		now = gethrtime();
 	}
@@ -713,10 +946,37 @@ dpioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, int *rvalp)
 	mutex_exit(&devpoll_lock);
 	ASSERT(dpep != NULL);
 	pcp = dpep->dpe_pcache;
-	if (curproc->p_pid != pcp->pc_pid)
-		return (EACCES);
 
 	mutex_enter(&dpep->dpe_lock);
+
+	if (cmd == DP_EPOLLCOMPAT) {
+		if (dpep->dpe_refcnt != 0) {
+			/*
+			 * We can't turn on epoll compatibility while there
+			 * are outstanding operations.
+			 */
+			mutex_exit(&dpep->dpe_lock);
+			return (EBUSY);
+		}
+
+		/*
+		 * epoll compatibility is a one-way street: there's no way
+		 * to turn it off for a particular open.
+		 */
+		dpep->dpe_flag |= DP_ISEPOLLCOMPAT;
+		mutex_exit(&dpep->dpe_lock);
+
+		return (0);
+	}
+
+	if (!(dpep->dpe_flag & DP_ISEPOLLCOMPAT) &&
+	    curproc->p_pid != pcp->pc_pid) {
+		if (pcp->pc_pid != -1)
+			return (EACCES);
+
+		pcp->pc_pid = curproc->p_pid;
+	}
+
 	while ((dpep->dpe_flag & DP_WRITER_PRESENT) ||
 	    (dpep->dpe_writerwait != 0)) {
 		if (!cv_wait_sig_swap(&dpep->dpe_cv, &dpep->dpe_lock)) {
@@ -729,15 +989,36 @@ dpioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, int *rvalp)
 
 	switch (cmd) {
 	case	DP_POLL:
+	case	DP_PPOLL:
 	{
 		pollstate_t	*ps;
 		nfds_t		nfds;
 		int		fdcnt = 0;
+		size_t		size, fdsize, dpsize;
 		hrtime_t	deadline = 0;
+		k_sigset_t	*ksetp = NULL;
+		k_sigset_t	kset;
+		sigset_t	set;
+		kthread_t	*t = curthread;
+		klwp_t		*lwp = ttolwp(t);
+		struct proc	*p = ttoproc(curthread);
 
 		STRUCT_INIT(dvpoll, mode);
-		error = copyin((caddr_t)arg, STRUCT_BUF(dvpoll),
-		    STRUCT_SIZE(dvpoll));
+
+		/*
+		 * The dp_setp member is only required/consumed for DP_PPOLL,
+		 * which otherwise uses the same structure as DP_POLL.
+		 */
+		if (cmd == DP_POLL) {
+			dpsize = (uintptr_t)STRUCT_FADDR(dvpoll, dp_setp) -
+			    (uintptr_t)STRUCT_FADDR(dvpoll, dp_fds);
+		} else {
+			ASSERT(cmd == DP_PPOLL);
+			dpsize = STRUCT_SIZE(dvpoll);
+		}
+
+		error = copyin((caddr_t)arg, STRUCT_BUF(dvpoll), dpsize);
+
 		if (error) {
 			DP_REFRELE(dpep);
 			return (EFAULT);
@@ -755,6 +1036,52 @@ dpioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, int *rvalp)
 			deadline += now;
 		}
 
+		if (cmd == DP_PPOLL) {
+			void *setp = STRUCT_FGETP(dvpoll, dp_setp);
+
+			if (setp != NULL) {
+				if (copyin(setp, &set, sizeof (set))) {
+					DP_REFRELE(dpep);
+					return (EFAULT);
+				}
+
+				sigutok(&set, &kset);
+				ksetp = &kset;
+
+				mutex_enter(&p->p_lock);
+				schedctl_finish_sigblock(t);
+				lwp->lwp_sigoldmask = t->t_hold;
+				t->t_hold = *ksetp;
+				t->t_flag |= T_TOMASK;
+
+				/*
+				 * Like ppoll() with a non-NULL sigset, we'll
+				 * call cv_reltimedwait_sig() just to check for
+				 * signals.  This call will return immediately
+				 * with either 0 (signalled) or -1 (no signal).
+				 * There are some conditions whereby we can
+				 * get 0 from cv_reltimedwait_sig() without
+				 * a true signal (e.g., a directed stop), so
+				 * we restore our signal mask in the unlikely
+				 * event that lwp_cursig is 0.
+				 */
+				if (!cv_reltimedwait_sig(&t->t_delay_cv,
+				    &p->p_lock, 0, TR_CLOCK_TICK)) {
+					if (lwp->lwp_cursig == 0) {
+						t->t_hold = lwp->lwp_sigoldmask;
+						t->t_flag &= ~T_TOMASK;
+					}
+
+					mutex_exit(&p->p_lock);
+
+					DP_REFRELE(dpep);
+					return (EINTR);
+				}
+
+				mutex_exit(&p->p_lock);
+			}
+		}
+
 		if ((nfds = STRUCT_FGET(dvpoll, dp_nfds)) == 0) {
 			/*
 			 * We are just using DP_POLL to sleep, so
@@ -762,17 +1089,29 @@ dpioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, int *rvalp)
 			 * Do not check for signals if we have a zero timeout.
 			 */
 			DP_REFRELE(dpep);
-			if (deadline == 0)
+			if (deadline == 0) {
+				DP_SIGMASK_RESTORE(ksetp);
 				return (0);
+			}
+
 			mutex_enter(&curthread->t_delay_lock);
 			while ((error =
 			    cv_timedwait_sig_hrtime(&curthread->t_delay_cv,
 			    &curthread->t_delay_lock, deadline)) > 0)
 				continue;
 			mutex_exit(&curthread->t_delay_lock);
+
+			DP_SIGMASK_RESTORE(ksetp);
+
 			return (error == 0 ? EINTR : 0);
 		}
 
+		if (dpep->dpe_flag & DP_ISEPOLLCOMPAT) {
+			size = nfds * (fdsize = sizeof (epoll_event_t));
+		} else {
+			size = nfds * (fdsize = sizeof (pollfd_t));
+		}
+
 		/*
 		 * XXX It would be nice not to have to alloc each time, but it
 		 * requires another per thread structure hook. This can be
@@ -782,37 +1121,45 @@ dpioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, int *rvalp)
 			curthread->t_pollstate = pollstate_create();
 			ps = curthread->t_pollstate;
 		}
-		if (ps->ps_dpbufsize < nfds) {
-			struct proc *p = ttoproc(curthread);
+
+		if (ps->ps_dpbufsize < size) {
 			/*
-			 * The maximum size should be no large than
-			 * current maximum open file count.
+			 * If nfds is larger than twice the current maximum
+			 * open file count, we'll silently clamp it.  This
+			 * only limits our exposure to allocating an
+			 * inordinate amount of kernel memory; it doesn't
+			 * otherwise affect the semantics.  (We have this
+			 * check at twice the maximum instead of merely the
+			 * maximum because some applications pass an nfds that
+			 * is only slightly larger than their limit.)
 			 */
 			mutex_enter(&p->p_lock);
-			if (nfds > p->p_fno_ctl) {
-				mutex_exit(&p->p_lock);
-				DP_REFRELE(dpep);
-				return (EINVAL);
+			if ((nfds >> 1) > p->p_fno_ctl) {
+				nfds = p->p_fno_ctl;
+				size = nfds * fdsize;
 			}
 			mutex_exit(&p->p_lock);
-			kmem_free(ps->ps_dpbuf, sizeof (pollfd_t) *
-			    ps->ps_dpbufsize);
-			ps->ps_dpbuf = kmem_zalloc(sizeof (pollfd_t) *
-			    nfds, KM_SLEEP);
-			ps->ps_dpbufsize = nfds;
+
+			if (ps->ps_dpbufsize < size) {
+				kmem_free(ps->ps_dpbuf, ps->ps_dpbufsize);
+				ps->ps_dpbuf = kmem_zalloc(size, KM_SLEEP);
+				ps->ps_dpbufsize = size;
+			}
 		}
 
 		mutex_enter(&pcp->pc_lock);
 		for (;;) {
-			pcp->pc_flag = 0;
-			error = dp_pcache_poll(ps->ps_dpbuf, pcp, nfds, &fdcnt);
+			pcp->pc_flag &= ~PC_POLLWAKE;
+
+			error = dp_pcache_poll(dpep, ps->ps_dpbuf,
+			    pcp, nfds, &fdcnt);
 			if (fdcnt > 0 || error != 0)
 				break;
 
 			/*
 			 * A pollwake has happened since we polled cache.
 			 */
-			if (pcp->pc_flag & T_POLLWAKE)
+			if (pcp->pc_flag & PC_POLLWAKE)
 				continue;
 
 			/*
@@ -822,8 +1169,40 @@ dpioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, int *rvalp)
 				/* immediate timeout; do not check signals */
 				break;
 			}
-			error = cv_timedwait_sig_hrtime(&pcp->pc_cv,
-			    &pcp->pc_lock, deadline);
+
+			if (!(pcp->pc_flag & PC_WRITEWANTED)) {
+				error = cv_timedwait_sig_hrtime(&pcp->pc_cv,
+				    &pcp->pc_lock, deadline);
+			} else {
+				error = 1;
+			}
+
+			if (error > 0 && (pcp->pc_flag & PC_WRITEWANTED)) {
+				/*
+				 * We've been kicked off of our cv because a
+				 * writer wants in.  We're going to drop our
+				 * reference count and then wait until the
+				 * writer is gone -- at which point we'll
+				 * reacquire the pc_lock and call into
+				 * dp_pcache_poll() to get the updated state.
+				 */
+				mutex_exit(&pcp->pc_lock);
+
+				mutex_enter(&dpep->dpe_lock);
+				dpep->dpe_refcnt--;
+				cv_broadcast(&dpep->dpe_cv);
+
+				while ((dpep->dpe_flag & DP_WRITER_PRESENT) ||
+				    (dpep->dpe_writerwait != 0)) {
+					error = cv_wait_sig_swap(&dpep->dpe_cv,
+					    &dpep->dpe_lock);
+				}
+
+				dpep->dpe_refcnt++;
+				mutex_exit(&dpep->dpe_lock);
+				mutex_enter(&pcp->pc_lock);
+			}
+
 			/*
 			 * If we were awakened by a signal or timeout
 			 * then break the loop, else poll again.
@@ -837,9 +1216,11 @@ dpioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, int *rvalp)
 		}
 		mutex_exit(&pcp->pc_lock);
 
+		DP_SIGMASK_RESTORE(ksetp);
+
 		if (error == 0 && fdcnt > 0) {
-			if (copyout(ps->ps_dpbuf, STRUCT_FGETP(dvpoll,
-			    dp_fds), sizeof (pollfd_t) * fdcnt)) {
+			if (copyout(ps->ps_dpbuf,
+			    STRUCT_FGETP(dvpoll, dp_fds), fdcnt * fdsize)) {
 				DP_REFRELE(dpep);
 				return (EFAULT);
 			}
@@ -901,10 +1282,25 @@ static int
 dppoll(dev_t dev, short events, int anyyet, short *reventsp,
     struct pollhead **phpp)
 {
+	minor_t		minor;
+	dp_entry_t	*dpep;
+
+	minor = getminor(dev);
+
+	mutex_enter(&devpoll_lock);
+	dpep = devpolltbl[minor];
+	ASSERT(dpep != NULL);
+	mutex_exit(&devpoll_lock);
+
 	/*
 	 * Polling on a /dev/poll fd is not fully supported yet.
 	 */
-	*reventsp = POLLERR;
+	if (dpep->dpe_flag & DP_ISEPOLLCOMPAT) {
+		/* no error in epoll compat. mode */
+		*reventsp = 0;
+	} else {
+		*reventsp = POLLERR;
+	}
 	return (0);
 }
 
diff --git a/usr/src/uts/common/io/dld/dld_drv.c b/usr/src/uts/common/io/dld/dld_drv.c
index 40cbe86170..62bc4a8ecf 100644
--- a/usr/src/uts/common/io/dld/dld_drv.c
+++ b/usr/src/uts/common/io/dld/dld_drv.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent Inc.
  */
 
 /*
@@ -701,7 +702,8 @@ drv_ioc_prop_common(dld_ioc_macprop_t *prop, intptr_t arg, boolean_t set,
 				err = EACCES;
 				goto done;
 			}
-			err = dls_devnet_setzid(dlh, dzp->diz_zid);
+			err = dls_devnet_setzid(dlh, dzp->diz_zid,
+			    dzp->diz_transient);
 		} else {
 			kprop->pr_perm_flags = MAC_PROP_PERM_RW;
 			(*(zoneid_t *)kprop->pr_val) = dls_devnet_getzid(dlh);
@@ -865,7 +867,7 @@ drv_ioc_rename(void *karg, intptr_t arg, int mode, cred_t *cred, int *rvalp)
 		return (err);
 
 	if ((err = dls_devnet_rename(dir->dir_linkid1, dir->dir_linkid2,
-	    dir->dir_link)) != 0)
+	    dir->dir_link, dir->dir_zoneinit)) != 0)
 		return (err);
 
 	if (dir->dir_linkid2 == DATALINK_INVALID_LINKID)
@@ -1376,7 +1378,8 @@ static dld_ioc_modentry_t dld_ioc_modtable[] = {
 	{SIMNET_IOC,	"simnet", 0, NULL, 0},
 	{BRIDGE_IOC,	"bridge", 0, NULL, 0},
 	{IPTUN_IOC,	"iptun", 0, NULL, 0},
-	{IBPART_IOC,	"ibp", -1, NULL, 0}
+	{IBPART_IOC,	"ibp", -1, NULL, 0},
+	{OVERLAY_IOC,	"overlay", 0, NULL, 0}
 };
 #define	DLDIOC_CNT	\
 	(sizeof (dld_ioc_modtable) / sizeof (dld_ioc_modentry_t))
diff --git a/usr/src/uts/common/io/dld/dld_proto.c b/usr/src/uts/common/io/dld/dld_proto.c
index a438e43d91..79c3d8260a 100644
--- a/usr/src/uts/common/io/dld/dld_proto.c
+++ b/usr/src/uts/common/io/dld/dld_proto.c
@@ -41,7 +41,7 @@ static proto_reqfunc_t proto_info_req, proto_attach_req, proto_detach_req,
     proto_bind_req, proto_unbind_req, proto_promiscon_req, proto_promiscoff_req,
     proto_enabmulti_req, proto_disabmulti_req, proto_physaddr_req,
     proto_setphysaddr_req, proto_udqos_req, proto_req, proto_capability_req,
-    proto_notify_req, proto_passive_req;
+    proto_notify_req, proto_passive_req, proto_exclusive_req;
 
 static void proto_capability_advertise(dld_str_t *, mblk_t *);
 static int dld_capab_poll_disable(dld_str_t *, dld_capab_poll_t *);
@@ -121,6 +121,9 @@ dld_proto(dld_str_t *dsp, mblk_t *mp)
 	case DL_PASSIVE_REQ:
 		proto_passive_req(dsp, mp);
 		break;
+	case DL_EXCLUSIVE_REQ:
+		proto_exclusive_req(dsp, mp);
+		break;
 	default:
 		proto_req(dsp, mp);
 		break;
@@ -605,6 +608,10 @@ proto_promiscon_req(dld_str_t *dsp, mblk_t *mp)
 		new_flags |= DLS_PROMISC_PHYS;
 		break;
 
+	case DL_PROMISC_RX_ONLY:
+		new_flags |= DLS_PROMISC_RX_ONLY;
+		break;
+
 	default:
 		dl_err = DL_NOTSUPPORTED;
 		goto failed2;
@@ -692,12 +699,24 @@ proto_promiscoff_req(dld_str_t *dsp, mblk_t *mp)
 		new_flags &= ~DLS_PROMISC_PHYS;
 		break;
 
+	case DL_PROMISC_RX_ONLY:
+		if (!(dsp->ds_promisc & DLS_PROMISC_RX_ONLY)) {
+			dl_err = DL_NOTENAB;
+			goto failed;
+		}
+		new_flags &= ~DLS_PROMISC_RX_ONLY;
+		break;
+
 	default:
 		dl_err = DL_NOTSUPPORTED;
 		mac_perim_exit(mph);
 		goto failed;
 	}
 
+	/* DLS_PROMISC_RX_ONLY can't be a solo flag */
+	if (new_flags == DLS_PROMISC_RX_ONLY)
+		new_flags = 0;
+
 	/*
 	 * Adjust channel promiscuity.
 	 */
@@ -1295,7 +1314,8 @@ proto_passive_req(dld_str_t *dsp, mblk_t *mp)
 	 * If we've already become active by issuing an active primitive,
 	 * then it's too late to try to become passive.
 	 */
-	if (dsp->ds_passivestate == DLD_ACTIVE) {
+	if (dsp->ds_passivestate == DLD_ACTIVE ||
+	    dsp->ds_passivestate == DLD_EXCLUSIVE) {
 		dl_err = DL_OUTSTATE;
 		goto failed;
 	}
@@ -1354,7 +1374,12 @@ dld_capab_direct(dld_str_t *dsp, void *data, uint_t flags)
 		dls_rx_set(dsp, (dls_rx_t)direct->di_rx_cf,
 		    direct->di_rx_ch);
 
-		direct->di_tx_df = (uintptr_t)str_mdata_fastpath_put;
+		if (direct->di_flags & DI_DIRECT_RAW) {
+			direct->di_tx_df =
+			    (uintptr_t)str_mdata_raw_fastpath_put;
+		} else {
+			direct->di_tx_df = (uintptr_t)str_mdata_fastpath_put;
+		}
 		direct->di_tx_dh = dsp;
 		direct->di_tx_cb_df = (uintptr_t)mac_client_tx_notify;
 		direct->di_tx_cb_dh = dsp->ds_mch;
@@ -1516,8 +1541,9 @@ dld_capab(dld_str_t *dsp, uint_t type, void *data, uint_t flags)
 	 * completes. So we limit the check to DLD_ENABLE case.
 	 */
 	if ((flags == DLD_ENABLE && type != DLD_CAPAB_PERIM) &&
-	    (dsp->ds_sap != ETHERTYPE_IP ||
-	    !check_mod_above(dsp->ds_rq, "ip"))) {
+	    ((dsp->ds_sap != ETHERTYPE_IP ||
+	    !check_mod_above(dsp->ds_rq, "ip")) &&
+	    !check_mod_above(dsp->ds_rq, "vnd"))) {
 		return (ENOTSUP);
 	}
 
@@ -1599,9 +1625,15 @@ proto_capability_advertise(dld_str_t *dsp, mblk_t *mp)
 	}
 
 	/*
-	 * Direct capability negotiation interface between IP and DLD
+	 * Direct capability negotiation interface between IP/VND and DLD. Note
+	 * that for vnd we only allow the case where the media type is the
+	 * native media type so we know that there are no transformations that
+	 * would have to happen to the mac header that it receives.
 	 */
-	if (dsp->ds_sap == ETHERTYPE_IP && check_mod_above(dsp->ds_rq, "ip")) {
+	if ((dsp->ds_sap == ETHERTYPE_IP &&
+	    check_mod_above(dsp->ds_rq, "ip")) ||
+	    (check_mod_above(dsp->ds_rq, "vnd") &&
+	    dsp->ds_mip->mi_media == dsp->ds_mip->mi_nativemedia)) {
 		dld_capable = B_TRUE;
 		subsize += sizeof (dl_capability_sub_t) +
 		    sizeof (dl_capab_dld_t);
@@ -1720,3 +1752,36 @@ dld_capabilities_disable(dld_str_t *dsp)
 	if (dsp->ds_polling)
 		(void) dld_capab_poll_disable(dsp, NULL);
 }
+
+static void
+proto_exclusive_req(dld_str_t *dsp, mblk_t *mp)
+{
+	int ret = 0;
+	t_uscalar_t dl_err;
+	mac_perim_handle_t mph;
+
+	if (dsp->ds_passivestate != DLD_UNINITIALIZED) {
+		dl_err = DL_OUTSTATE;
+		goto failed;
+	}
+
+	if (MBLKL(mp) < DL_EXCLUSIVE_REQ_SIZE) {
+		dl_err = DL_BADPRIM;
+		goto failed;
+	}
+
+	mac_perim_enter_by_mh(dsp->ds_mh, &mph);
+	ret = dls_exclusive_set(dsp, B_TRUE);
+	mac_perim_exit(mph);
+
+	if (ret != 0) {
+		dl_err = DL_SYSERR;
+		goto failed;
+	}
+
+	dsp->ds_passivestate = DLD_EXCLUSIVE;
+	dlokack(dsp->ds_wq, mp, DL_EXCLUSIVE_REQ);
+	return;
+failed:
+	dlerrorack(dsp->ds_wq, mp, DL_EXCLUSIVE_REQ, dl_err, (t_uscalar_t)ret);
+}
diff --git a/usr/src/uts/common/io/dld/dld_str.c b/usr/src/uts/common/io/dld/dld_str.c
index 6f0d0b9a6c..f5308e70ff 100644
--- a/usr/src/uts/common/io/dld/dld_str.c
+++ b/usr/src/uts/common/io/dld/dld_str.c
@@ -854,6 +854,77 @@ i_dld_ether_header_update_tag(mblk_t *mp, uint_t pri, uint16_t vid,
 	return (mp);
 }
 
+static boolean_t
+i_dld_raw_ether_check(dld_str_t *dsp, mac_header_info_t *mhip, mblk_t **mpp)
+{
+	mblk_t *mp = *mpp;
+	mblk_t *newmp;
+	uint_t pri, vid, dvid;
+
+	dvid = mac_client_vid(dsp->ds_mch);
+
+	/*
+	 * Discard the packet if this is a VLAN stream but the VID in
+	 * the packet is not correct.
+	 */
+	vid = VLAN_ID(mhip->mhi_tci);
+	if ((dvid != VLAN_ID_NONE) && (vid != VLAN_ID_NONE))
+		return (B_FALSE);
+
+	/*
+	 * Discard the packet if this packet is a tagged packet
+	 * but both pri and VID are 0.
+	 */
+	pri = VLAN_PRI(mhip->mhi_tci);
+	if (mhip->mhi_istagged && !mhip->mhi_ispvid && pri == 0 &&
+	    vid == VLAN_ID_NONE)
+		return (B_FALSE);
+
+	/*
+	 * Update the priority bits to the per-stream priority if
+	 * priority is not set in the packet. Update the VID for
+	 * packets on a VLAN stream.
+	 */
+	pri = (pri == 0) ? dsp->ds_pri : 0;
+	if ((pri != 0) || (dvid != VLAN_ID_NONE)) {
+		if ((newmp = i_dld_ether_header_update_tag(mp, pri,
+		    dvid, dsp->ds_dlp->dl_tagmode)) == NULL) {
+			return (B_FALSE);
+		}
+		*mpp = newmp;
+	}
+
+	return (B_TRUE);
+}
+
+mac_tx_cookie_t
+str_mdata_raw_fastpath_put(dld_str_t *dsp, mblk_t *mp, uintptr_t f_hint,
+    uint16_t flag)
+{
+	boolean_t is_ethernet = (dsp->ds_mip->mi_media == DL_ETHER);
+	mac_header_info_t mhi;
+	mac_tx_cookie_t cookie;
+
+	if (mac_vlan_header_info(dsp->ds_mh, mp, &mhi) != 0)
+		goto discard;
+
+	if (is_ethernet) {
+		if (i_dld_raw_ether_check(dsp, &mhi, &mp) == B_FALSE)
+			goto discard;
+	}
+
+	if ((cookie = DLD_TX(dsp, mp, f_hint, flag)) != NULL) {
+		DLD_SETQFULL(dsp);
+	}
+	return (cookie);
+discard:
+	/* TODO: bump kstat? */
+	freemsg(mp);
+	return (NULL);
+}
+
+
+
 /*
  * M_DATA put (IP fast-path mode)
  */
@@ -902,7 +973,6 @@ str_mdata_raw_put(dld_str_t *dsp, mblk_t *mp)
 	mblk_t *bp, *newmp;
 	size_t size;
 	mac_header_info_t mhi;
-	uint_t pri, vid, dvid;
 	uint_t max_sdu;
 
 	/*
@@ -948,38 +1018,8 @@ str_mdata_raw_put(dld_str_t *dsp, mblk_t *mp)
 		goto discard;
 
 	if (is_ethernet) {
-		dvid = mac_client_vid(dsp->ds_mch);
-
-		/*
-		 * Discard the packet if this is a VLAN stream but the VID in
-		 * the packet is not correct.
-		 */
-		vid = VLAN_ID(mhi.mhi_tci);
-		if ((dvid != VLAN_ID_NONE) && (vid != VLAN_ID_NONE))
-			goto discard;
-
-		/*
-		 * Discard the packet if this packet is a tagged packet
-		 * but both pri and VID are 0.
-		 */
-		pri = VLAN_PRI(mhi.mhi_tci);
-		if (mhi.mhi_istagged && !mhi.mhi_ispvid && pri == 0 &&
-		    vid == VLAN_ID_NONE)
+		if (i_dld_raw_ether_check(dsp, &mhi, &mp) == B_FALSE)
 			goto discard;
-
-		/*
-		 * Update the priority bits to the per-stream priority if
-		 * priority is not set in the packet. Update the VID for
-		 * packets on a VLAN stream.
-		 */
-		pri = (pri == 0) ? dsp->ds_pri : 0;
-		if ((pri != 0) || (dvid != VLAN_ID_NONE)) {
-			if ((newmp = i_dld_ether_header_update_tag(mp, pri,
-			    dvid, dsp->ds_dlp->dl_tagmode)) == NULL) {
-				goto discard;
-			}
-			mp = newmp;
-		}
 	}
 
 	if (DLD_TX(dsp, mp, 0, 0) != NULL) {
diff --git a/usr/src/uts/common/io/dls/dls.c b/usr/src/uts/common/io/dls/dls.c
index 92993ada58..9fa649943c 100644
--- a/usr/src/uts/common/io/dls/dls.c
+++ b/usr/src/uts/common/io/dls/dls.c
@@ -25,7 +25,7 @@
  */
 
 /*
- * Copyright (c) 2013 Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
  */
 
 /*
@@ -248,19 +248,44 @@ dls_promisc(dld_str_t *dsp, uint32_t new_flags)
 {
 	int err = 0;
 	uint32_t old_flags = dsp->ds_promisc;
+	uint32_t new_type = new_flags & ~DLS_PROMISC_RX_ONLY;
 	mac_client_promisc_type_t mptype = MAC_CLIENT_PROMISC_ALL;
+	uint16_t mac_flags = 0;
 
 	ASSERT(MAC_PERIM_HELD(dsp->ds_mh));
 	ASSERT(!(new_flags & ~(DLS_PROMISC_SAP | DLS_PROMISC_MULTI |
-	    DLS_PROMISC_PHYS)));
+	    DLS_PROMISC_PHYS | DLS_PROMISC_RX_ONLY)));
+
+	/*
+	 * Asking us just to turn on DLS_PROMISC_RX_ONLY is not valid.
+	 */
+	if (new_flags == DLS_PROMISC_RX_ONLY)
+		return (EINVAL);
 
 	/*
 	 * If the user has only requested DLS_PROMISC_MULTI then we need to make
 	 * sure that they don't see all packets.
 	 */
-	if (new_flags == DLS_PROMISC_MULTI)
+	if (new_type == DLS_PROMISC_MULTI)
 		mptype = MAC_CLIENT_PROMISC_MULTI;
 
+	/*
+	 * Look at new flags and figure out the correct mac promisc flags.
+	 * If we've only requested DLS_PROMISC_SAP and not _MULTI or _PHYS,
+	 * don't turn on physical promisc mode.
+	 */
+	if (new_flags & DLS_PROMISC_RX_ONLY)
+		mac_flags |= MAC_PROMISC_FLAGS_NO_TX_LOOP;
+	if (new_type == DLS_PROMISC_SAP)
+		mac_flags |= MAC_PROMISC_FLAGS_NO_PHYS;
+
+	/*
+	 * There are three cases we care about here with respect to MAC. Going
+	 * from nothing to something, something to nothing, something to
+	 * something where we need to change how we're getting stuff from mac.
+	 * In the last case, as long as they're not equal, we need to assume
+	 * something has changed and do something about it.
+	 */
 	if (dsp->ds_promisc == 0 && new_flags != 0) {
 		/*
 		 * If only DLS_PROMISC_SAP, we don't turn on the
@@ -268,9 +293,7 @@ dls_promisc(dld_str_t *dsp, uint32_t new_flags)
 		 */
 		dsp->ds_promisc = new_flags;
 		err = mac_promisc_add(dsp->ds_mch, mptype,
-		    dls_rx_promisc, dsp, &dsp->ds_mph,
-		    (new_flags != DLS_PROMISC_SAP) ? 0 :
-		    MAC_PROMISC_FLAGS_NO_PHYS);
+		    dls_rx_promisc, dsp, &dsp->ds_mph, mac_flags);
 		if (err != 0) {
 			dsp->ds_promisc = old_flags;
 			return (err);
@@ -296,19 +319,13 @@ dls_promisc(dld_str_t *dsp, uint32_t new_flags)
 			    MAC_CLIENT_PROMISC_ALL, dls_rx_vlan_promisc, dsp,
 			    &dsp->ds_vlan_mph, MAC_PROMISC_FLAGS_NO_PHYS);
 		}
-	} else if (dsp->ds_promisc == DLS_PROMISC_SAP && new_flags != 0 &&
-	    new_flags != dsp->ds_promisc) {
-		/*
-		 * If the old flag is PROMISC_SAP, but the current flag has
-		 * changed to some new non-zero value, we need to turn the
-		 * physical promiscuous mode.
-		 */
+	} else if (new_flags != 0 && new_flags != old_flags) {
 		ASSERT(dsp->ds_mph != NULL);
 		mac_promisc_remove(dsp->ds_mph);
 		/* Honors both after-remove and before-add semantics! */
 		dsp->ds_promisc = new_flags;
 		err = mac_promisc_add(dsp->ds_mch, mptype,
-		    dls_rx_promisc, dsp, &dsp->ds_mph, 0);
+		    dls_rx_promisc, dsp, &dsp->ds_mph, mac_flags);
 		if (err != 0)
 			dsp->ds_promisc = old_flags;
 	} else {
@@ -629,6 +646,22 @@ boolean_t
 dls_accept_promisc(dld_str_t *dsp, mac_header_info_t *mhip, dls_rx_t *ds_rx,
     void **ds_rx_arg, boolean_t loopback)
 {
+	if (dsp->ds_promisc == 0) {
+		/*
+		 * If there are active walkers of the mi_promisc_list when
+		 * promiscuousness is disabled, ds_promisc will be cleared,
+		 * but the DLS will remain on the mi_promisc_list until the
+		 * walk is completed.  If we do not recognize this case here,
+		 * we won't properly execute the ds_promisc case in the common
+		 * accept routine -- and we will potentially accept a packet
+		 * that has originated with this DLS (which in turn can
+		 * induce recursion and death by stack overflow).  If
+		 * ds_promisc is zero, we know that we are in this window --
+		 * and we refuse to accept the packet.
+		 */
+		return (B_FALSE);
+	}
+
 	return (dls_accept_common(dsp, mhip, ds_rx, ds_rx_arg, B_TRUE,
 	    loopback));
 }
@@ -659,7 +692,10 @@ dls_mac_active_set(dls_link_t *dlp)
 		 * Set the function to start receiving packets.
 		 */
 		mac_rx_set(dlp->dl_mch, i_dls_link_rx, dlp);
+	} else if (dlp->dl_exclusive == B_TRUE) {
+		return (EBUSY);
 	}
+
 	dlp->dl_nactive++;
 	return (0);
 }
@@ -685,7 +721,11 @@ dls_active_set(dld_str_t *dsp)
 	if (dsp->ds_passivestate == DLD_PASSIVE)
 		return (0);
 
-	/* If we're already active, then there's nothing more to do. */
+	if (dsp->ds_dlp->dl_exclusive == B_TRUE &&
+	    dsp->ds_passivestate != DLD_EXCLUSIVE)
+		return (EBUSY);
+
+	/* If we're already active, we need to check the link's exclusivity */
 	if ((dsp->ds_nactive == 0) &&
 	    ((err = dls_mac_active_set(dsp->ds_dlp)) != 0)) {
 		/* except for ENXIO all other errors are mapped to EBUSY */
@@ -694,7 +734,8 @@ dls_active_set(dld_str_t *dsp)
 		return (err);
 	}
 
-	dsp->ds_passivestate = DLD_ACTIVE;
+	dsp->ds_passivestate = dsp->ds_dlp->dl_exclusive == B_TRUE ?
+	    DLD_EXCLUSIVE : DLD_ACTIVE;
 	dsp->ds_nactive++;
 	return (0);
 }
@@ -725,7 +766,32 @@ dls_active_clear(dld_str_t *dsp, boolean_t all)
 	if (dsp->ds_nactive != 0)
 		return;
 
-	ASSERT(dsp->ds_passivestate == DLD_ACTIVE);
+	ASSERT(dsp->ds_passivestate == DLD_ACTIVE ||
+	    dsp->ds_passivestate == DLD_EXCLUSIVE);
 	dls_mac_active_clear(dsp->ds_dlp);
+	/*
+	 * We verify below to ensure that no other part of DLS has mucked with
+	 * our exclusive state.
+	 */
+	if (dsp->ds_passivestate == DLD_EXCLUSIVE)
+		VERIFY(dls_exclusive_set(dsp, B_FALSE) == 0);
 	dsp->ds_passivestate = DLD_UNINITIALIZED;
 }
+
+int
+dls_exclusive_set(dld_str_t *dsp, boolean_t enable)
+{
+	ASSERT(MAC_PERIM_HELD(dsp->ds_mh));
+
+	if (enable == B_FALSE) {
+		dsp->ds_dlp->dl_exclusive = B_FALSE;
+		return (0);
+	}
+
+	if (dsp->ds_dlp->dl_nactive != 0)
+		return (EBUSY);
+
+	dsp->ds_dlp->dl_exclusive = B_TRUE;
+
+	return (0);
+}
diff --git a/usr/src/uts/common/io/dls/dls_link.c b/usr/src/uts/common/io/dls/dls_link.c
index 6b92a81e77..c5363e8194 100644
--- a/usr/src/uts/common/io/dls/dls_link.c
+++ b/usr/src/uts/common/io/dls/dls_link.c
@@ -602,6 +602,7 @@ i_dls_link_destroy(dls_link_t *dlp)
 	dlp->dl_mip = NULL;
 	dlp->dl_unknowns = 0;
 	dlp->dl_nonip_cnt = 0;
+	dlp->dl_exclusive = B_FALSE;
 	kmem_cache_free(i_dls_link_cachep, dlp);
 }
 
diff --git a/usr/src/uts/common/io/dls/dls_mgmt.c b/usr/src/uts/common/io/dls/dls_mgmt.c
index 049c4bd757..6111d62475 100644
--- a/usr/src/uts/common/io/dls/dls_mgmt.c
+++ b/usr/src/uts/common/io/dls/dls_mgmt.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright (c) 2013 Joyent, Inc.  All rights reserved.
  */
 
 /*
@@ -105,12 +106,13 @@ typedef struct dls_devnet_s {
 	zoneid_t	dd_zid;		/* current zone */
 	boolean_t	dd_prop_loaded;
 	taskqid_t	dd_prop_taskid;
+	boolean_t	dd_transient;	/* link goes away when zone does */
 } dls_devnet_t;
 
 static int i_dls_devnet_create_iptun(const char *, const char *,
     datalink_id_t *);
 static int i_dls_devnet_destroy_iptun(datalink_id_t);
-static int i_dls_devnet_setzid(dls_devnet_t *, zoneid_t, boolean_t);
+static int i_dls_devnet_setzid(dls_devnet_t *, zoneid_t, boolean_t, boolean_t);
 static int dls_devnet_unset(const char *, datalink_id_t *, boolean_t);
 
 /*ARGSUSED*/
@@ -145,7 +147,12 @@ dls_zone_remove(datalink_id_t linkid, void *arg)
 	dls_devnet_t *ddp;
 
 	if (dls_devnet_hold_tmp(linkid, &ddp) == 0) {
-		(void) dls_devnet_setzid(ddp, GLOBAL_ZONEID);
+		/*
+		 * Don't bother moving transient links back to the global zone
+		 * since we will simply delete them in dls_devnet_unset.
+		 */
+		if (!ddp->dd_transient)
+			(void) dls_devnet_setzid(ddp, GLOBAL_ZONEID, B_FALSE);
 		dls_devnet_rele_tmp(ddp);
 	}
 	return (0);
@@ -526,6 +533,27 @@ dls_mgmt_get_linkid(const char *link, datalink_id_t *linkid)
 
 	getlinkid.ld_cmd = DLMGMT_CMD_GETLINKID;
 	(void) strlcpy(getlinkid.ld_link, link, MAXLINKNAMELEN);
+	getlinkid.ld_zoneid = getzoneid();
+
+	if ((err = i_dls_mgmt_upcall(&getlinkid, sizeof (getlinkid), &retval,
+	    sizeof (retval))) == 0) {
+		*linkid = retval.lr_linkid;
+	}
+	return (err);
+}
+
+int
+dls_mgmt_get_linkid_in_zone(const char *link, datalink_id_t *linkid,
+    zoneid_t zid)
+{
+	dlmgmt_door_getlinkid_t		getlinkid;
+	dlmgmt_getlinkid_retval_t	retval;
+	int				err;
+
+	ASSERT(getzoneid() == GLOBAL_ZONEID || zid == getzoneid());
+	getlinkid.ld_cmd = DLMGMT_CMD_GETLINKID;
+	(void) strlcpy(getlinkid.ld_link, link, MAXLINKNAMELEN);
+	getlinkid.ld_zoneid = zid;
 
 	if ((err = i_dls_mgmt_upcall(&getlinkid, sizeof (getlinkid), &retval,
 	    sizeof (retval))) == 0) {
@@ -534,6 +562,7 @@ dls_mgmt_get_linkid(const char *link, datalink_id_t *linkid)
 	return (err);
 }
 
+
 datalink_id_t
 dls_mgmt_get_next(datalink_id_t linkid, datalink_class_t class,
     datalink_media_t dmedia, uint32_t flags)
@@ -740,12 +769,23 @@ dls_devnet_stat_update(kstat_t *ksp, int rw)
  * Create the "link" kstats.
  */
 static void
-dls_devnet_stat_create(dls_devnet_t *ddp, zoneid_t zoneid)
+dls_devnet_stat_create(dls_devnet_t *ddp, zoneid_t zoneid, zoneid_t newzoneid)
 {
 	kstat_t	*ksp;
+	char	*nm;
+	char	kname[MAXLINKNAMELEN];
+
+	if (zoneid != newzoneid) {
+		ASSERT(zoneid == GLOBAL_ZONEID);
+		(void) snprintf(kname, sizeof (kname), "z%d_%s", newzoneid,
+		    ddp->dd_linkname);
+		nm = kname;
+	} else {
+		nm = ddp->dd_linkname;
+	}
 
-	if (dls_stat_create("link", 0, ddp->dd_linkname, zoneid,
-	    dls_devnet_stat_update, ddp, &ksp) == 0) {
+	if (dls_stat_create("link", 0, nm, zoneid,
+	    dls_devnet_stat_update, ddp, &ksp, newzoneid) == 0) {
 		ASSERT(ksp != NULL);
 		if (zoneid == ddp->dd_owner_zid) {
 			ASSERT(ddp->dd_ksp == NULL);
@@ -765,12 +805,12 @@ dls_devnet_stat_destroy(dls_devnet_t *ddp, zoneid_t zoneid)
 {
 	if (zoneid == ddp->dd_owner_zid) {
 		if (ddp->dd_ksp != NULL) {
-			kstat_delete(ddp->dd_ksp);
+			dls_stat_delete(ddp->dd_ksp);
 			ddp->dd_ksp = NULL;
 		}
 	} else {
 		if (ddp->dd_zone_ksp != NULL) {
-			kstat_delete(ddp->dd_zone_ksp);
+			dls_stat_delete(ddp->dd_zone_ksp);
 			ddp->dd_zone_ksp = NULL;
 		}
 	}
@@ -781,15 +821,25 @@ dls_devnet_stat_destroy(dls_devnet_t *ddp, zoneid_t zoneid)
  * and create the new set using the new name.
  */
 static void
-dls_devnet_stat_rename(dls_devnet_t *ddp)
+dls_devnet_stat_rename(dls_devnet_t *ddp, boolean_t zoneinit)
 {
 	if (ddp->dd_ksp != NULL) {
-		kstat_delete(ddp->dd_ksp);
+		dls_stat_delete(ddp->dd_ksp);
 		ddp->dd_ksp = NULL;
 	}
-	/* We can't rename a link while it's assigned to a non-global zone. */
+	if (zoneinit && ddp->dd_zone_ksp != NULL) {
+		dls_stat_delete(ddp->dd_zone_ksp);
+		ddp->dd_zone_ksp = NULL;
+	}
+	/*
+	 * We can't rename a link while it's assigned to a non-global zone
+	 * unless we're first initializing the zone while readying it.
+	 */
 	ASSERT(ddp->dd_zone_ksp == NULL);
-	dls_devnet_stat_create(ddp, ddp->dd_owner_zid);
+	dls_devnet_stat_create(ddp, ddp->dd_owner_zid,
+	    (zoneinit ? ddp->dd_zid : ddp->dd_owner_zid));
+	if (zoneinit)
+		dls_devnet_stat_create(ddp, ddp->dd_zid, ddp->dd_zid);
 }
 
 /*
@@ -878,7 +928,8 @@ done:
 	rw_exit(&i_dls_devnet_lock);
 	if (err == 0) {
 		if (zoneid != GLOBAL_ZONEID &&
-		    (err = i_dls_devnet_setzid(ddp, zoneid, B_FALSE)) != 0)
+		    (err = i_dls_devnet_setzid(ddp, zoneid, B_FALSE,
+		    B_FALSE)) != 0)
 			(void) dls_devnet_unset(macname, &linkid, B_TRUE);
 		/*
 		 * The kstat subsystem holds its own locks (rather perimeter)
@@ -887,7 +938,7 @@ done:
 		 * lock hierarchy is kstat locks -> i_dls_devnet_lock.
 		 */
 		if (stat_create)
-			dls_devnet_stat_create(ddp, zoneid);
+			dls_devnet_stat_create(ddp, zoneid, zoneid);
 		if (ddpp != NULL)
 			*ddpp = ddp;
 	}
@@ -924,17 +975,78 @@ dls_devnet_unset(const char *macname, datalink_id_t *id, boolean_t wait)
 	ASSERT(ddp->dd_ref != 0);
 	if ((ddp->dd_ref != 1) || (!wait &&
 	    (ddp->dd_tref != 0 || ddp->dd_prop_taskid != NULL))) {
-		mutex_exit(&ddp->dd_mutex);
-		rw_exit(&i_dls_devnet_lock);
-		return (EBUSY);
+		int zstatus = 0;
+
+		/*
+		 * There are a couple of alternatives that might be going on
+		 * here; a) the zone is shutting down and it has a transient
+		 * link assigned, in which case we want to clean it up instead
+		 * of moving it back to the global zone, or b) its possible
+		 * that we're trying to clean up an orphaned vnic that was
+		 * delegated to a zone and which wasn't cleaned up properly
+		 * when the zone went away.  Check for either of these cases
+		 * before we simply return EBUSY.
+		 *
+		 * zstatus indicates which situation we are dealing with:
+		 *	 0 - means return EBUSY
+		 *	 1 - means case (a), cleanup transient link
+		 *	-1 - means case (b), orphained VNIC
+		 */
+		if (ddp->dd_ref > 1 && ddp->dd_zid != GLOBAL_ZONEID) {
+			zone_t	*zp;
+
+			if ((zp = zone_find_by_id(ddp->dd_zid)) == NULL) {
+				zstatus = -1;
+			} else {
+				if (ddp->dd_transient) {
+					zone_status_t s = zone_status_get(zp);
+
+					if (s >= ZONE_IS_SHUTTING_DOWN)
+						zstatus = 1;
+				}
+				zone_rele(zp);
+			}
+		}
+
+		if (zstatus == 0) {
+			mutex_exit(&ddp->dd_mutex);
+			rw_exit(&i_dls_devnet_lock);
+			return (EBUSY);
+		}
+
+		/*
+		 * We want to delete the link, reset ref to 1;
+		 */
+		if (zstatus == -1)
+			/* Log a warning, but continue in this case */
+			cmn_err(CE_WARN, "clear orphaned datalink: %s\n",
+			    ddp->dd_linkname);
+		ddp->dd_ref = 1;
 	}
 
 	ddp->dd_flags |= DD_CONDEMNED;
 	ddp->dd_ref--;
 	*id = ddp->dd_linkid;
 
-	if (ddp->dd_zid != GLOBAL_ZONEID)
-		(void) i_dls_devnet_setzid(ddp, GLOBAL_ZONEID, B_FALSE);
+	if (ddp->dd_zid != GLOBAL_ZONEID) {
+		/*
+		 * We need to release the dd_mutex before we try and destroy the
+		 * stat. When we destroy it, we'll need to grab the lock for the
+		 * kstat but if there's a concurrent reader of the kstat, we'll
+		 * be blocked on it. This will lead to deadlock because these
+		 * kstats employ a ks_update function (dls_devnet_stat_update)
+		 * which needs the dd_mutex that we currently hold.
+		 *
+		 * Because we've already flagged the dls_devnet_t as
+		 * DD_CONDEMNED and we still have a write lock on
+		 * i_dls_devnet_lock, we should be able to release the dd_mutex.
+		 */
+		mutex_exit(&ddp->dd_mutex);
+		dls_devnet_stat_destroy(ddp, ddp->dd_zid);
+		mutex_enter(&ddp->dd_mutex);
+		(void) i_dls_devnet_setzid(ddp, GLOBAL_ZONEID, B_FALSE,
+		    B_FALSE);
+	}
 
 	/*
 	 * Remove this dls_devnet_t from the hash table.
@@ -960,8 +1072,15 @@ dls_devnet_unset(const char *macname, datalink_id_t *id, boolean_t wait)
 		ASSERT(ddp->dd_tref == 0 && ddp->dd_prop_taskid == NULL);
 	}
 
-	if (ddp->dd_linkid != DATALINK_INVALID_LINKID)
+	if (ddp->dd_linkid != DATALINK_INVALID_LINKID) {
+		/*
+		 * See the earlier call in this function for an explanation.
+		 */
+		mutex_exit(&ddp->dd_mutex);
 		dls_devnet_stat_destroy(ddp, ddp->dd_owner_zid);
+		mutex_enter(&ddp->dd_mutex);
+	}
+
 
 	ddp->dd_prop_loaded = B_FALSE;
 	ddp->dd_linkid = DATALINK_INVALID_LINKID;
@@ -1111,7 +1230,7 @@ dls_devnet_rele(dls_devnet_t *ddp)
 }
 
 static int
-dls_devnet_hold_by_name(const char *link, dls_devnet_t **ddpp)
+dls_devnet_hold_by_name(const char *link, dls_devnet_t **ddpp, zoneid_t zid)
 {
 	char			drv[MAXLINKNAMELEN];
 	uint_t			ppa;
@@ -1121,7 +1240,7 @@ dls_devnet_hold_by_name(const char *link, dls_devnet_t **ddpp)
 	dls_dev_handle_t	ddh;
 	int			err;
 
-	if ((err = dls_mgmt_get_linkid(link, &linkid)) == 0)
+	if ((err = dls_mgmt_get_linkid_in_zone(link, &linkid, zid)) == 0)
 		return (dls_devnet_hold(linkid, ddpp));
 
 	/*
@@ -1261,9 +1380,15 @@ dls_devnet_phydev(datalink_id_t vlanid, dev_t *devp)
  *
  *    This case does not change the <link name, linkid> mapping, so the link's
  *    kstats need to be updated with using name associated the given id2.
+ *
+ * The zonename parameter is used to allow us to create a VNIC in the global
+ * zone which is assigned to a non-global zone.  Since there is a race condition
+ * in the create process if two VNICs have the same name, we need to rename it
+ * after it has been assigned to the zone.
  */
 int
-dls_devnet_rename(datalink_id_t id1, datalink_id_t id2, const char *link)
+dls_devnet_rename(datalink_id_t id1, datalink_id_t id2, const char *link,
+    boolean_t zoneinit)
 {
 	dls_dev_handle_t	ddh = NULL;
 	int			err = 0;
@@ -1313,13 +1438,16 @@ dls_devnet_rename(datalink_id_t id1, datalink_id_t id2, const char *link)
 	 * is currently accessing the link kstats, or if the link is on-loan
 	 * to a non-global zone. Then set the DD_KSTAT_CHANGING flag to
 	 * prevent any access to the kstats while we delete and recreate
-	 * kstats below.
+	 * kstats below.  However, we skip this check if we're renaming the
+	 * vnic as part of bringing it up for a zone.
 	 */
 	mutex_enter(&ddp->dd_mutex);
-	if (ddp->dd_ref > 1) {
-		mutex_exit(&ddp->dd_mutex);
-		err = EBUSY;
-		goto done;
+	if (!zoneinit) {
+		if (ddp->dd_ref > 1) {
+			mutex_exit(&ddp->dd_mutex);
+			err = EBUSY;
+			goto done;
+		}
 	}
 
 	ddp->dd_flags |= DD_KSTAT_CHANGING;
@@ -1333,7 +1461,15 @@ dls_devnet_rename(datalink_id_t id1, datalink_id_t id2, const char *link)
 		/* rename mac client name and its flow if exists */
 		if ((err = mac_open(ddp->dd_mac, &mh)) != 0)
 			goto done;
-		(void) mac_rename_primary(mh, link);
+		if (zoneinit) {
+			char tname[MAXLINKNAMELEN];
+
+			(void) snprintf(tname, sizeof (tname), "z%d_%s",
+			    ddp->dd_zid, link);
+			(void) mac_rename_primary(mh, tname);
+		} else {
+			(void) mac_rename_primary(mh, link);
+		}
 		mac_close(mh);
 		goto done;
 	}
@@ -1406,7 +1542,7 @@ done:
 	 */
 	rw_exit(&i_dls_devnet_lock);
 	if (err == 0)
-		dls_devnet_stat_rename(ddp);
+		dls_devnet_stat_rename(ddp, zoneinit);
 
 	if (clear_dd_flag) {
 		mutex_enter(&ddp->dd_mutex);
@@ -1421,7 +1557,8 @@ done:
 }
 
 static int
-i_dls_devnet_setzid(dls_devnet_t *ddp, zoneid_t new_zoneid, boolean_t setprop)
+i_dls_devnet_setzid(dls_devnet_t *ddp, zoneid_t new_zoneid, boolean_t setprop,
+    boolean_t transient)
 {
 	int			err;
 	mac_perim_handle_t	mph;
@@ -1454,6 +1591,7 @@ i_dls_devnet_setzid(dls_devnet_t *ddp, zoneid_t new_zoneid, boolean_t setprop)
 	}
 	if ((err = dls_link_setzid(ddp->dd_mac, new_zoneid)) == 0) {
 		ddp->dd_zid = new_zoneid;
+		ddp->dd_transient = transient;
 		devnet_need_rebuild = B_TRUE;
 	}
 
@@ -1468,7 +1606,7 @@ done:
 }
 
 int
-dls_devnet_setzid(dls_dl_handle_t ddh, zoneid_t new_zid)
+dls_devnet_setzid(dls_dl_handle_t ddh, zoneid_t new_zid, boolean_t transient)
 {
 	dls_devnet_t	*ddp;
 	int		err;
@@ -1490,7 +1628,7 @@ dls_devnet_setzid(dls_dl_handle_t ddh, zoneid_t new_zid)
 		refheld = B_TRUE;
 	}
 
-	if ((err = i_dls_devnet_setzid(ddh, new_zid, B_TRUE)) != 0) {
+	if ((err = i_dls_devnet_setzid(ddh, new_zid, B_TRUE, transient)) != 0) {
 		if (refheld)
 			dls_devnet_rele(ddp);
 		return (err);
@@ -1507,7 +1645,7 @@ dls_devnet_setzid(dls_dl_handle_t ddh, zoneid_t new_zid)
 	if (old_zid != GLOBAL_ZONEID)
 		dls_devnet_stat_destroy(ddh, old_zid);
 	if (new_zid != GLOBAL_ZONEID)
-		dls_devnet_stat_create(ddh, new_zid);
+		dls_devnet_stat_create(ddh, new_zid, new_zid);
 
 	return (0);
 }
@@ -1545,15 +1683,19 @@ dls_devnet_islinkvisible(datalink_id_t linkid, zoneid_t zoneid)
  * Access a vanity naming node.
  */
 int
-dls_devnet_open(const char *link, dls_dl_handle_t *dhp, dev_t *devp)
+dls_devnet_open_in_zone(const char *link, dls_dl_handle_t *dhp, dev_t *devp,
+    zoneid_t zid)
 {
 	dls_devnet_t	*ddp;
 	dls_link_t	*dlp;
-	zoneid_t	zid = getzoneid();
+	zoneid_t	czid = getzoneid();
 	int		err;
 	mac_perim_handle_t	mph;
 
-	if ((err = dls_devnet_hold_by_name(link, &ddp)) != 0)
+	if (czid != GLOBAL_ZONEID && czid != zid)
+		return (ENOENT);
+
+	if ((err = dls_devnet_hold_by_name(link, &ddp, zid)) != 0)
 		return (err);
 
 	dls_devnet_prop_task_wait(ddp);
@@ -1586,6 +1728,12 @@ dls_devnet_open(const char *link, dls_dl_handle_t *dhp, dev_t *devp)
 	return (0);
 }
 
+int
+dls_devnet_open(const char *link, dls_dl_handle_t *dhp, dev_t *devp)
+{
+	return (dls_devnet_open_in_zone(link, dhp, devp, getzoneid()));
+}
+
 /*
  * Close access to a vanity naming node.
  */
diff --git a/usr/src/uts/common/io/dls/dls_stat.c b/usr/src/uts/common/io/dls/dls_stat.c
index 51e4be7260..82dceff278 100644
--- a/usr/src/uts/common/io/dls/dls_stat.c
+++ b/usr/src/uts/common/io/dls/dls_stat.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
  */
 
 /*
@@ -30,30 +31,33 @@
 #include <sys/dld_impl.h>
 #include <sys/mac_ether.h>
 
-static mac_stat_info_t	i_dls_si[] = {
-	{ MAC_STAT_IFSPEED, "ifspeed", KSTAT_DATA_UINT64, 0 },
-	{ MAC_STAT_MULTIRCV, "multircv", KSTAT_DATA_UINT32, 0 },
-	{ MAC_STAT_BRDCSTRCV, "brdcstrcv", KSTAT_DATA_UINT32, 0 },
-	{ MAC_STAT_MULTIXMT, "multixmt", KSTAT_DATA_UINT32, 0 },
-	{ MAC_STAT_BRDCSTXMT, "brdcstxmt", KSTAT_DATA_UINT32, 0 },
-	{ MAC_STAT_NORCVBUF, "norcvbuf", KSTAT_DATA_UINT32, 0 },
-	{ MAC_STAT_IERRORS, "ierrors", KSTAT_DATA_UINT32, 0 },
-	{ MAC_STAT_NOXMTBUF, "noxmtbuf", KSTAT_DATA_UINT32, 0 },
-	{ MAC_STAT_OERRORS, "oerrors", KSTAT_DATA_UINT32, 0 },
-	{ MAC_STAT_COLLISIONS, "collisions", KSTAT_DATA_UINT32, 0 },
-	{ MAC_STAT_RBYTES, "rbytes", KSTAT_DATA_UINT32, 0 },
-	{ MAC_STAT_IPACKETS, "ipackets", KSTAT_DATA_UINT32, 0 },
-	{ MAC_STAT_OBYTES, "obytes", KSTAT_DATA_UINT32, 0 },
-	{ MAC_STAT_OPACKETS, "opackets", KSTAT_DATA_UINT32, 0 },
-	{ MAC_STAT_RBYTES, "rbytes64", KSTAT_DATA_UINT64, 0 },
-	{ MAC_STAT_IPACKETS, "ipackets64", KSTAT_DATA_UINT64, 0 },
-	{ MAC_STAT_OBYTES, "obytes64", KSTAT_DATA_UINT64, 0 },
-	{ MAC_STAT_OPACKETS, "opackets64", KSTAT_DATA_UINT64, 0 },
-	{ MAC_STAT_LINK_STATE, "link_state", KSTAT_DATA_UINT32,
-	    (uint64_t)LINK_STATE_UNKNOWN}
-};
-
-#define	STAT_INFO_COUNT	(sizeof (i_dls_si) / sizeof (i_dls_si[0]))
+/*
+ * structure for link kstats
+ */
+typedef struct {
+	kstat_named_t	dk_ifspeed;
+	kstat_named_t	dk_multircv;
+	kstat_named_t	dk_brdcstrcv;
+	kstat_named_t	dk_multixmt;
+	kstat_named_t	dk_brdcstxmt;
+	kstat_named_t	dk_norcvbuf;
+	kstat_named_t	dk_ierrors;
+	kstat_named_t	dk_noxmtbuf;
+	kstat_named_t	dk_oerrors;
+	kstat_named_t	dk_collisions;
+	kstat_named_t	dk_rbytes;
+	kstat_named_t	dk_ipackets;
+	kstat_named_t	dk_obytes;
+	kstat_named_t	dk_opackets;
+	kstat_named_t	dk_rbytes64;
+	kstat_named_t	dk_ipackets64;
+	kstat_named_t	dk_obytes64;
+	kstat_named_t	dk_opackets64;
+	kstat_named_t	dk_link_state;
+	kstat_named_t	dk_link_duplex;
+	kstat_named_t	dk_unknowns;
+	kstat_named_t	dk_zonename;
+} dls_kstat_t;
 
 /*
  * Exported functions.
@@ -61,42 +65,54 @@ static mac_stat_info_t	i_dls_si[] = {
 int
 dls_stat_update(kstat_t *ksp, dls_link_t *dlp, int rw)
 {
-	kstat_named_t	*knp;
-	uint_t		i;
-	uint64_t	val;
+	dls_kstat_t *dkp = ksp->ks_data;
 
 	if (rw != KSTAT_READ)
 		return (EACCES);
 
-	knp = (kstat_named_t *)ksp->ks_data;
-	for (i = 0; i < STAT_INFO_COUNT; i++) {
-		val = mac_stat_get(dlp->dl_mh, i_dls_si[i].msi_stat);
-
-		switch (i_dls_si[i].msi_type) {
-		case KSTAT_DATA_UINT64:
-			knp->value.ui64 = val;
-			break;
-		case KSTAT_DATA_UINT32:
-			knp->value.ui32 = (uint32_t)val;
-			break;
-		default:
-			ASSERT(B_FALSE);
-		}
-
-		knp++;
-	}
+	dkp->dk_ifspeed.value.ui64 = mac_stat_get(dlp->dl_mh, MAC_STAT_IFSPEED);
+	dkp->dk_multircv.value.ui32 = mac_stat_get(dlp->dl_mh,
+	    MAC_STAT_MULTIRCV);
+	dkp->dk_brdcstrcv.value.ui32 = mac_stat_get(dlp->dl_mh,
+	    MAC_STAT_BRDCSTRCV);
+	dkp->dk_multixmt.value.ui32 = mac_stat_get(dlp->dl_mh,
+	    MAC_STAT_MULTIXMT);
+	dkp->dk_brdcstxmt.value.ui32 = mac_stat_get(dlp->dl_mh,
+	    MAC_STAT_BRDCSTXMT);
+	dkp->dk_norcvbuf.value.ui32 = mac_stat_get(dlp->dl_mh,
+	    MAC_STAT_NORCVBUF);
+	dkp->dk_ierrors.value.ui32 = mac_stat_get(dlp->dl_mh, MAC_STAT_IERRORS);
+	dkp->dk_noxmtbuf.value.ui32 = mac_stat_get(dlp->dl_mh,
+	    MAC_STAT_NOXMTBUF);
+	dkp->dk_oerrors.value.ui32 = mac_stat_get(dlp->dl_mh, MAC_STAT_OERRORS);
+	dkp->dk_collisions.value.ui32 = mac_stat_get(dlp->dl_mh,
+	    MAC_STAT_COLLISIONS);
+	dkp->dk_rbytes.value.ui32 = mac_stat_get(dlp->dl_mh, MAC_STAT_RBYTES);
+	dkp->dk_ipackets.value.ui32 = mac_stat_get(dlp->dl_mh,
+	    MAC_STAT_IPACKETS);
+	dkp->dk_obytes.value.ui32 = mac_stat_get(dlp->dl_mh, MAC_STAT_OBYTES);
+	dkp->dk_opackets.value.ui32 = mac_stat_get(dlp->dl_mh,
+	    MAC_STAT_OPACKETS);
+	dkp->dk_rbytes64.value.ui64 = mac_stat_get(dlp->dl_mh, MAC_STAT_RBYTES);
+	dkp->dk_ipackets64.value.ui64 = mac_stat_get(dlp->dl_mh,
+	    MAC_STAT_IPACKETS);
+	dkp->dk_obytes64.value.ui64 = mac_stat_get(dlp->dl_mh, MAC_STAT_OBYTES);
+	dkp->dk_opackets64.value.ui64 = mac_stat_get(dlp->dl_mh,
+	    MAC_STAT_OPACKETS);
+	dkp->dk_link_state.value.ui32 = mac_stat_get(dlp->dl_mh,
+	    MAC_STAT_LINK_STATE);
 
 	/*
 	 * Ethernet specific kstat "link_duplex"
 	 */
 	if (dlp->dl_mip->mi_nativemedia != DL_ETHER) {
-		knp->value.ui32 = LINK_DUPLEX_UNKNOWN;
+		dkp->dk_link_duplex.value.ui32 = LINK_DUPLEX_UNKNOWN;
 	} else {
-		val = mac_stat_get(dlp->dl_mh, ETHER_STAT_LINK_DUPLEX);
-		knp->value.ui32 = (uint32_t)val;
+		dkp->dk_link_duplex.value.ui32 =
+		    (uint32_t)mac_stat_get(dlp->dl_mh, ETHER_STAT_LINK_DUPLEX);
 	}
-	knp++;
-	knp->value.ui32 = dlp->dl_unknowns;
+
+	dkp->dk_unknowns.value.ui32 = dlp->dl_unknowns;
 
 	return (0);
 }
@@ -104,30 +120,66 @@ dls_stat_update(kstat_t *ksp, dls_link_t *dlp, int rw)
 int
 dls_stat_create(const char *module, int instance, const char *name,
     zoneid_t zoneid, int (*update)(struct kstat *, int), void *private,
-    kstat_t **kspp)
+    kstat_t **kspp, zoneid_t newzoneid)
 {
 	kstat_t		*ksp;
-	kstat_named_t	*knp;
-	uint_t		i;
+	zone_t		*zone;
+	dls_kstat_t	*dkp;
 
 	if ((ksp = kstat_create_zone(module, instance, name, "net",
-	    KSTAT_TYPE_NAMED, STAT_INFO_COUNT + 2, 0, zoneid)) == NULL) {
+	    KSTAT_TYPE_NAMED, sizeof (dls_kstat_t) / sizeof (kstat_named_t),
+	    KSTAT_FLAG_VIRTUAL, zoneid)) == NULL) {
 		return (EINVAL);
 	}
 
 	ksp->ks_update = update;
 	ksp->ks_private = private;
+	dkp = ksp->ks_data = kmem_zalloc(sizeof (dls_kstat_t), KM_SLEEP);
+	if ((zone = zone_find_by_id(newzoneid)) != NULL) {
+		ksp->ks_data_size += strlen(zone->zone_name) + 1;
+	}
 
-	knp = (kstat_named_t *)ksp->ks_data;
-	for (i = 0; i < STAT_INFO_COUNT; i++) {
-		kstat_named_init(knp, i_dls_si[i].msi_name,
-		    i_dls_si[i].msi_type);
-		knp++;
+	kstat_named_init(&dkp->dk_ifspeed, "ifspeed", KSTAT_DATA_UINT64);
+	kstat_named_init(&dkp->dk_multircv, "multircv", KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_brdcstrcv, "brdcstrcv", KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_multixmt, "multixmt", KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_brdcstxmt, "brdcstxmt", KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_norcvbuf, "norcvbuf", KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_ierrors, "ierrors", KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_noxmtbuf, "noxmtbuf", KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_oerrors, "oerrors", KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_collisions, "collisions", KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_rbytes, "rbytes", KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_ipackets, "ipackets", KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_obytes, "obytes", KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_opackets, "opackets", KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_rbytes64, "rbytes64", KSTAT_DATA_UINT64);
+	kstat_named_init(&dkp->dk_ipackets64, "ipackets64", KSTAT_DATA_UINT64);
+	kstat_named_init(&dkp->dk_obytes64, "obytes64", KSTAT_DATA_UINT64);
+	kstat_named_init(&dkp->dk_opackets64, "opackets64", KSTAT_DATA_UINT64);
+	kstat_named_init(&dkp->dk_link_state, "link_state", KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_link_duplex, "link_duplex",
+		    KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_unknowns, "unknowns", KSTAT_DATA_UINT32);
+	kstat_named_init(&dkp->dk_zonename, "zonename", KSTAT_DATA_STRING);
+
+	if (zone != NULL) {
+		kstat_named_setstr(&dkp->dk_zonename, zone->zone_name);
+		zone_rele(zone);
 	}
 
-	kstat_named_init(knp++, "link_duplex", KSTAT_DATA_UINT32);
-	kstat_named_init(knp, "unknowns", KSTAT_DATA_UINT32);
 	kstat_install(ksp);
 	*kspp = ksp;
 	return (0);
 }
+
+void
+dls_stat_delete(kstat_t *ksp)
+{
+	void *data;
+	if (ksp != NULL) {
+		data = ksp->ks_data;
+		kstat_delete(ksp);
+		kmem_free(data, sizeof (dls_kstat_t));
+	}
+}
diff --git a/usr/src/uts/common/io/dr_sas/THIRDPARTYLICENSE b/usr/src/uts/common/io/dr_sas/THIRDPARTYLICENSE
new file mode 100644
index 0000000000..00aefb6f51
--- /dev/null
+++ b/usr/src/uts/common/io/dr_sas/THIRDPARTYLICENSE
@@ -0,0 +1,32 @@
+/*
+ * MegaRAID device driver for SAS2.0 controllers
+ * Copyright (c) 2009, LSI Logic Corporation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the author nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
diff --git a/usr/src/uts/common/io/dr_sas/THIRDPARTYLICENSE.descrip b/usr/src/uts/common/io/dr_sas/THIRDPARTYLICENSE.descrip
new file mode 100644
index 0000000000..ac6d2d1b15
--- /dev/null
+++ b/usr/src/uts/common/io/dr_sas/THIRDPARTYLICENSE.descrip
@@ -0,0 +1 @@
+DR_SAS DRIVER
diff --git a/usr/src/uts/common/io/dr_sas/dr_sas.c b/usr/src/uts/common/io/dr_sas/dr_sas.c
new file mode 100644
index 0000000000..5b1dc82938
--- /dev/null
+++ b/usr/src/uts/common/io/dr_sas/dr_sas.c
@@ -0,0 +1,5506 @@
+/*
+ * dr_sas.c: source for dr_sas driver
+ *
+ * MegaRAID device driver for SAS2.0 controllers
+ * Copyright (c) 2008-2009, LSI Logic Corporation.
+ * All rights reserved.
+ *
+ * Version:
+ * Author:
+ *		Arun Chandrashekhar
+ *		Manju R
+ *        	Rajesh Prabhakaran
+ *        	Seokmann Ju
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the author nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/file.h>
+#include <sys/errno.h>
+#include <sys/open.h>
+#include <sys/cred.h>
+#include <sys/modctl.h>
+#include <sys/conf.h>
+#include <sys/devops.h>
+#include <sys/cmn_err.h>
+#include <sys/kmem.h>
+#include <sys/stat.h>
+#include <sys/mkdev.h>
+#include <sys/pci.h>
+#include <sys/scsi/scsi.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/atomic.h>
+#include <sys/signal.h>
+#include <sys/fs/dv_node.h>	/* devfs_clean */
+
+#include "dr_sas.h"
+
+/*
+ * FMA header files
+ */
+#include <sys/ddifm.h>
+#include <sys/fm/protocol.h>
+#include <sys/fm/util.h>
+#include <sys/fm/io/ddi.h>
+
+/*
+ * Local static data
+ */
+static void	*drsas_state = NULL;
+static int 	debug_level_g = CL_NONE;
+
+#pragma weak scsi_hba_open
+#pragma weak scsi_hba_close
+#pragma weak scsi_hba_ioctl
+
+static ddi_dma_attr_t drsas_generic_dma_attr = {
+	DMA_ATTR_V0,		/* dma_attr_version */
+	0,			/* low DMA address range */
+	0xFFFFFFFFU,		/* high DMA address range */
+	0xFFFFFFFFU,		/* DMA counter register  */
+	8,			/* DMA address alignment */
+	0x07,			/* DMA burstsizes  */
+	1,			/* min DMA size */
+	0xFFFFFFFFU,		/* max DMA size */
+	0xFFFFFFFFU,		/* segment boundary */
+	DRSAS_MAX_SGE_CNT,	/* dma_attr_sglen */
+	512,			/* granularity of device */
+	0			/* bus specific DMA flags */
+};
+
+int32_t drsas_max_cap_maxxfer = 0x1000000;
+
+/*
+ * cb_ops contains base level routines
+ */
+static struct cb_ops drsas_cb_ops = {
+	drsas_open,		/* open */
+	drsas_close,		/* close */
+	nodev,			/* strategy */
+	nodev,			/* print */
+	nodev,			/* dump */
+	nodev,			/* read */
+	nodev,			/* write */
+	drsas_ioctl,		/* ioctl */
+	nodev,			/* devmap */
+	nodev,			/* mmap */
+	nodev,			/* segmap */
+	nochpoll,		/* poll */
+	nodev,			/* cb_prop_op */
+	0,			/* streamtab  */
+	D_NEW | D_HOTPLUG,	/* cb_flag */
+	CB_REV,			/* cb_rev */
+	nodev,			/* cb_aread */
+	nodev			/* cb_awrite */
+};
+
+/*
+ * dev_ops contains configuration routines
+ */
+static struct dev_ops drsas_ops = {
+	DEVO_REV,		/* rev, */
+	0,			/* refcnt */
+	drsas_getinfo,		/* getinfo */
+	nulldev,		/* identify */
+	nulldev,		/* probe */
+	drsas_attach,		/* attach */
+	drsas_detach,		/* detach */
+	drsas_reset,		/* reset */
+	&drsas_cb_ops,		/* char/block ops */
+	NULL,			/* bus ops */
+	NULL,			/* power */
+	ddi_quiesce_not_supported,		/* quiesce */
+};
+
+char _depends_on[] = "misc/scsi";
+
+static struct modldrv modldrv = {
+	&mod_driverops,		/* module type - driver */
+	DRSAS_VERSION,
+	&drsas_ops,		/* driver ops */
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1,	/* ml_rev - must be MODREV_1 */
+	&modldrv,	/* ml_linkage */
+	NULL		/* end of driver linkage */
+};
+
+static struct ddi_device_acc_attr endian_attr = {
+	DDI_DEVICE_ATTR_V0,
+	DDI_STRUCTURE_LE_ACC,
+	DDI_STRICTORDER_ACC
+};
+
+
+/*
+ * ************************************************************************** *
+ *                                                                            *
+ *         common entry points - for loadable kernel modules                  *
+ *                                                                            *
+ * ************************************************************************** *
+ */
+
+int
+_init(void)
+{
+	int ret;
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	ret = ddi_soft_state_init(&drsas_state,
+	    sizeof (struct drsas_instance), 0);
+
+	if (ret != DDI_SUCCESS) {
+		con_log(CL_ANN, (CE_WARN, "dr_sas: could not init state"));
+		return (ret);
+	}
+
+	if ((ret = scsi_hba_init(&modlinkage)) != DDI_SUCCESS) {
+		con_log(CL_ANN, (CE_WARN, "dr_sas: could not init scsi hba"));
+		ddi_soft_state_fini(&drsas_state);
+		return (ret);
+	}
+
+	ret = mod_install(&modlinkage);
+
+	if (ret != DDI_SUCCESS) {
+		con_log(CL_ANN, (CE_WARN, "dr_sas: mod_install failed"));
+		scsi_hba_fini(&modlinkage);
+		ddi_soft_state_fini(&drsas_state);
+	}
+
+	return (ret);
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	return (mod_info(&modlinkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	int ret;
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	if ((ret = mod_remove(&modlinkage)) != DDI_SUCCESS)
+		return (ret);
+
+	scsi_hba_fini(&modlinkage);
+
+	ddi_soft_state_fini(&drsas_state);
+
+	return (ret);
+}
+
+
+/*
+ * ************************************************************************** *
+ *                                                                            *
+ *               common entry points - for autoconfiguration                  *
+ *                                                                            *
+ * ************************************************************************** *
+ */
+
+static int
+drsas_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
+{
+	int		instance_no;
+	int		nregs;
+	uint8_t		added_isr_f = 0;
+	uint8_t		added_soft_isr_f = 0;
+	uint8_t		create_devctl_node_f = 0;
+	uint8_t		create_scsi_node_f = 0;
+	uint8_t		create_ioc_node_f = 0;
+	uint8_t		tran_alloc_f = 0;
+	uint8_t 	irq;
+	uint16_t	vendor_id;
+	uint16_t	device_id;
+	uint16_t	subsysvid;
+	uint16_t	subsysid;
+	uint16_t	command;
+	off_t		reglength = 0;
+	int		intr_types = 0;
+	char		*data;
+	int		msi_enable = 0;
+
+	scsi_hba_tran_t		*tran;
+	ddi_dma_attr_t  tran_dma_attr;
+	struct drsas_instance	*instance;
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	/* CONSTCOND */
+	ASSERT(NO_COMPETING_THREADS);
+
+	instance_no = ddi_get_instance(dip);
+
+	/*
+	 * check to see whether this device is in a DMA-capable slot.
+	 */
+	if (ddi_slaveonly(dip) == DDI_SUCCESS) {
+		con_log(CL_ANN, (CE_WARN,
+		    "dr_sas%d: Device in slave-only slot, unused",
+		    instance_no));
+		return (DDI_FAILURE);
+	}
+
+	switch (cmd) {
+		case DDI_ATTACH:
+			con_log(CL_DLEVEL1, (CE_NOTE, "dr_sas: DDI_ATTACH"));
+			/* allocate the soft state for the instance */
+			if (ddi_soft_state_zalloc(drsas_state, instance_no)
+			    != DDI_SUCCESS) {
+				con_log(CL_ANN, (CE_WARN,
+				    "dr_sas%d: Failed to allocate soft state",
+				    instance_no));
+
+				return (DDI_FAILURE);
+			}
+
+			instance = (struct drsas_instance *)ddi_get_soft_state
+			    (drsas_state, instance_no);
+
+			if (instance == NULL) {
+				con_log(CL_ANN, (CE_WARN,
+				    "dr_sas%d: Bad soft state", instance_no));
+
+				ddi_soft_state_free(drsas_state, instance_no);
+
+				return (DDI_FAILURE);
+			}
+
+			bzero((caddr_t)instance,
+			    sizeof (struct drsas_instance));
+
+			instance->func_ptr = kmem_zalloc(
+			    sizeof (struct drsas_func_ptr), KM_SLEEP);
+			ASSERT(instance->func_ptr);
+
+			/* Setup the PCI configuration space handles */
+			if (pci_config_setup(dip, &instance->pci_handle) !=
+			    DDI_SUCCESS) {
+				con_log(CL_ANN, (CE_WARN,
+				    "dr_sas%d: pci config setup failed ",
+				    instance_no));
+
+				kmem_free(instance->func_ptr,
+				    sizeof (struct drsas_func_ptr));
+				ddi_soft_state_free(drsas_state, instance_no);
+
+				return (DDI_FAILURE);
+			}
+
+			if (ddi_dev_nregs(dip, &nregs) != DDI_SUCCESS) {
+				con_log(CL_ANN, (CE_WARN,
+				    "dr_sas: failed to get registers."));
+
+				pci_config_teardown(&instance->pci_handle);
+				kmem_free(instance->func_ptr,
+				    sizeof (struct drsas_func_ptr));
+				ddi_soft_state_free(drsas_state, instance_no);
+
+				return (DDI_FAILURE);
+			}
+
+			vendor_id = pci_config_get16(instance->pci_handle,
+			    PCI_CONF_VENID);
+			device_id = pci_config_get16(instance->pci_handle,
+			    PCI_CONF_DEVID);
+
+			subsysvid = pci_config_get16(instance->pci_handle,
+			    PCI_CONF_SUBVENID);
+			subsysid = pci_config_get16(instance->pci_handle,
+			    PCI_CONF_SUBSYSID);
+
+			pci_config_put16(instance->pci_handle, PCI_CONF_COMM,
+			    (pci_config_get16(instance->pci_handle,
+			    PCI_CONF_COMM) | PCI_COMM_ME));
+			irq = pci_config_get8(instance->pci_handle,
+			    PCI_CONF_ILINE);
+
+			con_log(CL_DLEVEL1, (CE_CONT, "dr_sas%d: "
+			    "0x%x:0x%x 0x%x:0x%x, irq:%d drv-ver:%s",
+			    instance_no, vendor_id, device_id, subsysvid,
+			    subsysid, irq, DRSAS_VERSION));
+
+			/* enable bus-mastering */
+			command = pci_config_get16(instance->pci_handle,
+			    PCI_CONF_COMM);
+
+			if (!(command & PCI_COMM_ME)) {
+				command |= PCI_COMM_ME;
+
+				pci_config_put16(instance->pci_handle,
+				    PCI_CONF_COMM, command);
+
+				con_log(CL_ANN, (CE_CONT, "dr_sas%d: "
+				    "enable bus-mastering", instance_no));
+			} else {
+				con_log(CL_DLEVEL1, (CE_CONT, "dr_sas%d: "
+				"bus-mastering already set", instance_no));
+			}
+
+			/* initialize function pointers */
+			if ((device_id == PCI_DEVICE_ID_LSI_2108VDE) ||
+			    (device_id == PCI_DEVICE_ID_LSI_2108V)) {
+				con_log(CL_DLEVEL1, (CE_CONT, "dr_sas%d: "
+				    "2108V/DE detected", instance_no));
+				instance->func_ptr->read_fw_status_reg =
+				    read_fw_status_reg_ppc;
+				instance->func_ptr->issue_cmd = issue_cmd_ppc;
+				instance->func_ptr->issue_cmd_in_sync_mode =
+				    issue_cmd_in_sync_mode_ppc;
+				instance->func_ptr->issue_cmd_in_poll_mode =
+				    issue_cmd_in_poll_mode_ppc;
+				instance->func_ptr->enable_intr =
+				    enable_intr_ppc;
+				instance->func_ptr->disable_intr =
+				    disable_intr_ppc;
+				instance->func_ptr->intr_ack = intr_ack_ppc;
+			} else {
+				con_log(CL_ANN, (CE_WARN,
+				    "dr_sas: Invalid device detected"));
+
+				pci_config_teardown(&instance->pci_handle);
+				kmem_free(instance->func_ptr,
+				    sizeof (struct drsas_func_ptr));
+				ddi_soft_state_free(drsas_state, instance_no);
+
+				return (DDI_FAILURE);
+			}
+
+			instance->baseaddress = pci_config_get32(
+			    instance->pci_handle, PCI_CONF_BASE0);
+			instance->baseaddress &= 0x0fffc;
+
+			instance->dip		= dip;
+			instance->vendor_id	= vendor_id;
+			instance->device_id	= device_id;
+			instance->subsysvid	= subsysvid;
+			instance->subsysid	= subsysid;
+			instance->instance	= instance_no;
+
+			/* Initialize FMA */
+			instance->fm_capabilities = ddi_prop_get_int(
+			    DDI_DEV_T_ANY, instance->dip, DDI_PROP_DONTPASS,
+			    "fm-capable", DDI_FM_EREPORT_CAPABLE |
+			    DDI_FM_ACCCHK_CAPABLE | DDI_FM_DMACHK_CAPABLE
+			    | DDI_FM_ERRCB_CAPABLE);
+
+			drsas_fm_init(instance);
+
+			/* Initialize Interrupts */
+			if ((ddi_dev_regsize(instance->dip,
+			    REGISTER_SET_IO_2108, &reglength) != DDI_SUCCESS) ||
+			    reglength < MINIMUM_MFI_MEM_SZ) {
+				return (DDI_FAILURE);
+			}
+			if (reglength > DEFAULT_MFI_MEM_SZ) {
+				reglength = DEFAULT_MFI_MEM_SZ;
+				con_log(CL_DLEVEL1, (CE_NOTE,
+				    "dr_sas: register length to map is "
+				    "0x%lx bytes", reglength));
+			}
+			if (ddi_regs_map_setup(instance->dip,
+			    REGISTER_SET_IO_2108, &instance->regmap, 0,
+			    reglength, &endian_attr, &instance->regmap_handle)
+			    != DDI_SUCCESS) {
+				con_log(CL_ANN, (CE_NOTE,
+				    "dr_sas: couldn't map control registers"));
+				goto fail_attach;
+			}
+
+			/*
+			 * Disable Interrupt Now.
+			 * Setup Software interrupt
+			 */
+			instance->func_ptr->disable_intr(instance);
+
+			msi_enable = 0;
+			if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, 0,
+			    "drsas-enable-msi", &data) == DDI_SUCCESS) {
+				if (strncmp(data, "yes", 3) == 0) {
+					msi_enable = 1;
+					con_log(CL_ANN, (CE_WARN,
+					    "msi_enable = %d ENABLED",
+					    msi_enable));
+				}
+				ddi_prop_free(data);
+			}
+
+			con_log(CL_DLEVEL1, (CE_WARN, "msi_enable = %d",
+			    msi_enable));
+
+			/* Check for all supported interrupt types */
+			if (ddi_intr_get_supported_types(
+			    dip, &intr_types) != DDI_SUCCESS) {
+				con_log(CL_ANN, (CE_WARN,
+				    "ddi_intr_get_supported_types() failed"));
+				goto fail_attach;
+			}
+
+			con_log(CL_DLEVEL1, (CE_NOTE,
+			    "ddi_intr_get_supported_types() ret: 0x%x",
+			    intr_types));
+
+			/* Initialize and Setup Interrupt handler */
+			if (msi_enable && (intr_types & DDI_INTR_TYPE_MSIX)) {
+				if (drsas_add_intrs(instance,
+				    DDI_INTR_TYPE_MSIX) != DDI_SUCCESS) {
+					con_log(CL_ANN, (CE_WARN,
+					    "MSIX interrupt query failed"));
+					goto fail_attach;
+				}
+				instance->intr_type = DDI_INTR_TYPE_MSIX;
+			} else if (msi_enable && (intr_types &
+			    DDI_INTR_TYPE_MSI)) {
+				if (drsas_add_intrs(instance,
+				    DDI_INTR_TYPE_MSI) != DDI_SUCCESS) {
+					con_log(CL_ANN, (CE_WARN,
+					    "MSI interrupt query failed"));
+					goto fail_attach;
+				}
+				instance->intr_type = DDI_INTR_TYPE_MSI;
+			} else if (intr_types & DDI_INTR_TYPE_FIXED) {
+				msi_enable = 0;
+				if (drsas_add_intrs(instance,
+				    DDI_INTR_TYPE_FIXED) != DDI_SUCCESS) {
+					con_log(CL_ANN, (CE_WARN,
+					    "FIXED interrupt query failed"));
+					goto fail_attach;
+				}
+				instance->intr_type = DDI_INTR_TYPE_FIXED;
+			} else {
+				con_log(CL_ANN, (CE_WARN, "Device cannot "
+				    "suppport either FIXED or MSI/X "
+				    "interrupts"));
+				goto fail_attach;
+			}
+
+			added_isr_f = 1;
+
+			/* setup the mfi based low level driver */
+			if (init_mfi(instance) != DDI_SUCCESS) {
+				con_log(CL_ANN, (CE_WARN, "dr_sas: "
+				"could not initialize the low level driver"));
+
+				goto fail_attach;
+			}
+
+			/* Initialize all Mutex */
+			INIT_LIST_HEAD(&instance->completed_pool_list);
+			mutex_init(&instance->completed_pool_mtx,
+			    "completed_pool_mtx", MUTEX_DRIVER,
+			    DDI_INTR_PRI(instance->intr_pri));
+
+			mutex_init(&instance->int_cmd_mtx, "int_cmd_mtx",
+			    MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
+			cv_init(&instance->int_cmd_cv, NULL, CV_DRIVER, NULL);
+
+			mutex_init(&instance->cmd_pool_mtx, "cmd_pool_mtx",
+			    MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
+
+			/* Register our soft-isr for highlevel interrupts. */
+			instance->isr_level = instance->intr_pri;
+			if (instance->isr_level == HIGH_LEVEL_INTR) {
+				if (ddi_add_softintr(dip, DDI_SOFTINT_HIGH,
+				    &instance->soft_intr_id, NULL, NULL,
+				    drsas_softintr, (caddr_t)instance) !=
+				    DDI_SUCCESS) {
+					con_log(CL_ANN, (CE_WARN,
+					    " Software ISR did not register"));
+
+					goto fail_attach;
+				}
+
+				added_soft_isr_f = 1;
+			}
+
+			/* Allocate a transport structure */
+			tran = scsi_hba_tran_alloc(dip, SCSI_HBA_CANSLEEP);
+
+			if (tran == NULL) {
+				con_log(CL_ANN, (CE_WARN,
+				    "scsi_hba_tran_alloc failed"));
+				goto fail_attach;
+			}
+
+			tran_alloc_f = 1;
+
+			instance->tran = tran;
+
+			tran->tran_hba_private	= instance;
+			tran->tran_tgt_init	= drsas_tran_tgt_init;
+			tran->tran_tgt_probe	= scsi_hba_probe;
+			tran->tran_tgt_free	= drsas_tran_tgt_free;
+			tran->tran_init_pkt	= drsas_tran_init_pkt;
+			tran->tran_start	= drsas_tran_start;
+			tran->tran_abort	= drsas_tran_abort;
+			tran->tran_reset	= drsas_tran_reset;
+			tran->tran_getcap	= drsas_tran_getcap;
+			tran->tran_setcap	= drsas_tran_setcap;
+			tran->tran_destroy_pkt	= drsas_tran_destroy_pkt;
+			tran->tran_dmafree	= drsas_tran_dmafree;
+			tran->tran_sync_pkt	= drsas_tran_sync_pkt;
+			tran->tran_bus_config	= drsas_tran_bus_config;
+
+			tran_dma_attr = drsas_generic_dma_attr;
+			tran_dma_attr.dma_attr_sgllen = instance->max_num_sge;
+
+			/* Attach this instance of the hba */
+			if (scsi_hba_attach_setup(dip, &tran_dma_attr, tran, 0)
+			    != DDI_SUCCESS) {
+				con_log(CL_ANN, (CE_WARN,
+				    "scsi_hba_attach failed"));
+
+				goto fail_attach;
+			}
+
+			/* create devctl node for cfgadm command */
+			if (ddi_create_minor_node(dip, "devctl",
+			    S_IFCHR, INST2DEVCTL(instance_no),
+			    DDI_NT_SCSI_NEXUS, 0) == DDI_FAILURE) {
+				con_log(CL_ANN, (CE_WARN,
+				    "dr_sas: failed to create devctl node."));
+
+				goto fail_attach;
+			}
+
+			create_devctl_node_f = 1;
+
+			/* create scsi node for cfgadm command */
+			if (ddi_create_minor_node(dip, "scsi", S_IFCHR,
+			    INST2SCSI(instance_no),
+			    DDI_NT_SCSI_ATTACHMENT_POINT, 0) ==
+			    DDI_FAILURE) {
+				con_log(CL_ANN, (CE_WARN,
+				    "dr_sas: failed to create scsi node."));
+
+				goto fail_attach;
+			}
+
+			create_scsi_node_f = 1;
+
+			(void) sprintf(instance->iocnode, "%d:lsirdctl",
+			    instance_no);
+
+			/*
+			 * Create a node for applications
+			 * for issuing ioctl to the driver.
+			 */
+			if (ddi_create_minor_node(dip, instance->iocnode,
+			    S_IFCHR, INST2LSIRDCTL(instance_no),
+			    DDI_PSEUDO, 0) == DDI_FAILURE) {
+				con_log(CL_ANN, (CE_WARN,
+				    "dr_sas: failed to create ioctl node."));
+
+				goto fail_attach;
+			}
+
+			create_ioc_node_f = 1;
+
+			/* Create a taskq to handle dr events */
+			if ((instance->taskq = ddi_taskq_create(dip,
+			    "drsas_dr_taskq", 1,
+			    TASKQ_DEFAULTPRI, 0)) == NULL) {
+				con_log(CL_ANN, (CE_WARN,
+				    "dr_sas: failed to create taskq "));
+				instance->taskq = NULL;
+				goto fail_attach;
+			}
+
+			/* enable interrupt */
+			instance->func_ptr->enable_intr(instance);
+
+			/* initiate AEN */
+			if (start_mfi_aen(instance)) {
+				con_log(CL_ANN, (CE_WARN,
+				    "dr_sas: failed to initiate AEN."));
+				goto fail_initiate_aen;
+			}
+
+			con_log(CL_DLEVEL1, (CE_NOTE,
+			    "AEN started for instance %d.", instance_no));
+
+			/* Finally! We are on the air.  */
+			ddi_report_dev(dip);
+
+			if (drsas_check_acc_handle(instance->regmap_handle) !=
+			    DDI_SUCCESS) {
+				goto fail_attach;
+			}
+			if (drsas_check_acc_handle(instance->pci_handle) !=
+			    DDI_SUCCESS) {
+				goto fail_attach;
+			}
+			instance->dr_ld_list =
+			    kmem_zalloc(MRDRV_MAX_LD * sizeof (struct drsas_ld),
+			    KM_SLEEP);
+			break;
+		case DDI_PM_RESUME:
+			con_log(CL_ANN, (CE_NOTE,
+			    "dr_sas: DDI_PM_RESUME"));
+			break;
+		case DDI_RESUME:
+			con_log(CL_ANN, (CE_NOTE,
+			    "dr_sas: DDI_RESUME"));
+			break;
+		default:
+			con_log(CL_ANN, (CE_WARN,
+			    "dr_sas: invalid attach cmd=%x", cmd));
+			return (DDI_FAILURE);
+	}
+
+	return (DDI_SUCCESS);
+
+fail_initiate_aen:
+fail_attach:
+	if (create_devctl_node_f) {
+		ddi_remove_minor_node(dip, "devctl");
+	}
+
+	if (create_scsi_node_f) {
+		ddi_remove_minor_node(dip, "scsi");
+	}
+
+	if (create_ioc_node_f) {
+		ddi_remove_minor_node(dip, instance->iocnode);
+	}
+
+	if (tran_alloc_f) {
+		scsi_hba_tran_free(tran);
+	}
+
+
+	if (added_soft_isr_f) {
+		ddi_remove_softintr(instance->soft_intr_id);
+	}
+
+	if (added_isr_f) {
+		drsas_rem_intrs(instance);
+	}
+
+	if (instance && instance->taskq) {
+		ddi_taskq_destroy(instance->taskq);
+	}
+
+	drsas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE);
+	ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
+
+	drsas_fm_fini(instance);
+
+	pci_config_teardown(&instance->pci_handle);
+
+	ddi_soft_state_free(drsas_state, instance_no);
+
+	con_log(CL_ANN, (CE_NOTE,
+	    "dr_sas: return failure from drsas_attach"));
+
+	return (DDI_FAILURE);
+}
+
+/*ARGSUSED*/
+static int
+drsas_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd,  void *arg, void **resultp)
+{
+	int	rval;
+	int	drsas_minor = getminor((dev_t)arg);
+
+	struct drsas_instance	*instance;
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	switch (cmd) {
+		case DDI_INFO_DEVT2DEVINFO:
+			instance = (struct drsas_instance *)
+			    ddi_get_soft_state(drsas_state,
+			    MINOR2INST(drsas_minor));
+
+			if (instance == NULL) {
+				*resultp = NULL;
+				rval = DDI_FAILURE;
+			} else {
+				*resultp = instance->dip;
+				rval = DDI_SUCCESS;
+			}
+			break;
+		case DDI_INFO_DEVT2INSTANCE:
+			*resultp = (void *)instance;
+			rval = DDI_SUCCESS;
+			break;
+		default:
+			*resultp = NULL;
+			rval = DDI_FAILURE;
+	}
+
+	return (rval);
+}
+
+static int
+drsas_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
+{
+	int	instance_no;
+
+	struct drsas_instance	*instance;
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	/* CONSTCOND */
+	ASSERT(NO_COMPETING_THREADS);
+
+	instance_no = ddi_get_instance(dip);
+
+	instance = (struct drsas_instance *)ddi_get_soft_state(drsas_state,
+	    instance_no);
+
+	if (!instance) {
+		con_log(CL_ANN, (CE_WARN,
+		    "dr_sas:%d could not get instance in detach",
+		    instance_no));
+
+		return (DDI_FAILURE);
+	}
+
+	con_log(CL_ANN, (CE_NOTE,
+	    "dr_sas%d: detaching device 0x%4x:0x%4x:0x%4x:0x%4x",
+	    instance_no, instance->vendor_id, instance->device_id,
+	    instance->subsysvid, instance->subsysid));
+
+	switch (cmd) {
+	case DDI_DETACH:
+		con_log(CL_ANN, (CE_NOTE,
+		    "drsas_detach: DDI_DETACH"));
+
+		if (scsi_hba_detach(dip) != DDI_SUCCESS) {
+			con_log(CL_ANN, (CE_WARN,
+			    "dr_sas:%d failed to detach",
+			    instance_no));
+
+			return (DDI_FAILURE);
+		}
+
+		scsi_hba_tran_free(instance->tran);
+
+		flush_cache(instance);
+
+		if (abort_aen_cmd(instance, instance->aen_cmd)) {
+			con_log(CL_ANN, (CE_WARN, "drsas_detach: "
+			    "failed to abort prevous AEN command"));
+
+			return (DDI_FAILURE);
+		}
+
+		instance->func_ptr->disable_intr(instance);
+
+		if (instance->isr_level == HIGH_LEVEL_INTR) {
+			ddi_remove_softintr(instance->soft_intr_id);
+		}
+
+		drsas_rem_intrs(instance);
+
+		if (instance->taskq) {
+			ddi_taskq_destroy(instance->taskq);
+		}
+		kmem_free(instance->dr_ld_list, MRDRV_MAX_LD
+		    * sizeof (struct drsas_ld));
+		free_space_for_mfi(instance);
+
+		drsas_fm_fini(instance);
+
+		pci_config_teardown(&instance->pci_handle);
+
+		kmem_free(instance->func_ptr,
+		    sizeof (struct drsas_func_ptr));
+
+		ddi_soft_state_free(drsas_state, instance_no);
+		break;
+	case DDI_PM_SUSPEND:
+		con_log(CL_ANN, (CE_NOTE,
+		    "drsas_detach: DDI_PM_SUSPEND"));
+
+		break;
+	case DDI_SUSPEND:
+		con_log(CL_ANN, (CE_NOTE,
+		    "drsas_detach: DDI_SUSPEND"));
+
+		break;
+	default:
+		con_log(CL_ANN, (CE_WARN,
+		    "invalid detach command:0x%x", cmd));
+		return (DDI_FAILURE);
+	}
+
+	return (DDI_SUCCESS);
+}
+
+/*
+ * ************************************************************************** *
+ *                                                                            *
+ *             common entry points - for character driver types               *
+ *                                                                            *
+ * ************************************************************************** *
+ */
+static  int
+drsas_open(dev_t *dev, int openflags, int otyp, cred_t *credp)
+{
+	int	rval = 0;
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	/* Check root permissions */
+	if (drv_priv(credp) != 0) {
+		con_log(CL_ANN, (CE_WARN,
+		    "dr_sas: Non-root ioctl access denied!"));
+		return (EPERM);
+	}
+
+	/* Verify we are being opened as a character device */
+	if (otyp != OTYP_CHR) {
+		con_log(CL_ANN, (CE_WARN,
+		    "dr_sas: ioctl node must be a char node"));
+		return (EINVAL);
+	}
+
+	if (ddi_get_soft_state(drsas_state, MINOR2INST(getminor(*dev)))
+	    == NULL) {
+		return (ENXIO);
+	}
+
+	if (scsi_hba_open) {
+		rval = scsi_hba_open(dev, openflags, otyp, credp);
+	}
+
+	return (rval);
+}
+
+static  int
+drsas_close(dev_t dev, int openflags, int otyp, cred_t *credp)
+{
+	int	rval = 0;
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	/* no need for locks! */
+
+	if (scsi_hba_close) {
+		rval = scsi_hba_close(dev, openflags, otyp, credp);
+	}
+
+	return (rval);
+}
+
+static int
+drsas_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp,
+    int *rvalp)
+{
+	int	rval = 0;
+
+	struct drsas_instance	*instance;
+	struct drsas_ioctl	*ioctl;
+	struct drsas_aen	aen;
+	int i;
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	instance = ddi_get_soft_state(drsas_state, MINOR2INST(getminor(dev)));
+
+	if (instance == NULL) {
+		/* invalid minor number */
+		con_log(CL_ANN, (CE_WARN, "dr_sas: adapter not found."));
+		return (ENXIO);
+	}
+
+	ioctl = (struct drsas_ioctl *)kmem_zalloc(sizeof (struct drsas_ioctl),
+	    KM_SLEEP);
+	ASSERT(ioctl);
+
+	switch ((uint_t)cmd) {
+		case DRSAS_IOCTL_FIRMWARE:
+			for (i = 0; i < sizeof (struct drsas_ioctl); i++) {
+				if (ddi_copyin((uint8_t *)arg+i,
+				    (uint8_t *)ioctl+i, 1, mode)) {
+					con_log(CL_ANN, (CE_WARN, "drsas_ioctl "
+					    "ERROR IOCTL copyin"));
+					kmem_free(ioctl,
+					    sizeof (struct drsas_ioctl));
+					return (EFAULT);
+				}
+			}
+			if (ioctl->control_code == DRSAS_DRIVER_IOCTL_COMMON) {
+				rval = handle_drv_ioctl(instance, ioctl, mode);
+			} else {
+				rval = handle_mfi_ioctl(instance, ioctl, mode);
+			}
+			for (i = 0; i < sizeof (struct drsas_ioctl) - 1; i++) {
+				if (ddi_copyout((uint8_t *)ioctl+i,
+				    (uint8_t *)arg+i, 1, mode)) {
+					con_log(CL_ANN, (CE_WARN,
+					    "drsas_ioctl: ddi_copyout "
+					    "failed"));
+					rval = 1;
+					break;
+				}
+			}
+
+			break;
+		case DRSAS_IOCTL_AEN:
+			for (i = 0; i < sizeof (struct drsas_aen); i++) {
+				if (ddi_copyin((uint8_t *)arg+i,
+				    (uint8_t *)&aen+i, 1, mode)) {
+					con_log(CL_ANN, (CE_WARN,
+					    "drsas_ioctl: "
+					    "ERROR AEN copyin"));
+					kmem_free(ioctl,
+					    sizeof (struct drsas_ioctl));
+					return (EFAULT);
+				}
+			}
+
+			rval = handle_mfi_aen(instance, &aen);
+			for (i = 0; i < sizeof (struct drsas_aen); i++) {
+				if (ddi_copyout((uint8_t *)&aen + i,
+				    (uint8_t *)arg + i, 1, mode)) {
+					con_log(CL_ANN, (CE_WARN,
+					    "drsas_ioctl: "
+					    "ddi_copyout failed"));
+					rval = 1;
+					break;
+				}
+			}
+
+			break;
+		default:
+			rval = scsi_hba_ioctl(dev, cmd, arg,
+			    mode, credp, rvalp);
+
+			con_log(CL_DLEVEL1, (CE_NOTE, "drsas_ioctl: "
+			    "scsi_hba_ioctl called, ret = %x.", rval));
+	}
+
+	kmem_free(ioctl, sizeof (struct drsas_ioctl));
+	return (rval);
+}
+
+/*
+ * ************************************************************************** *
+ *                                                                            *
+ *               common entry points - for block driver types                 *
+ *                                                                            *
+ * ************************************************************************** *
+ */
+/*ARGSUSED*/
+static int
+drsas_reset(dev_info_t *dip, ddi_reset_cmd_t cmd)
+{
+	int	instance_no;
+
+	struct drsas_instance	*instance;
+
+	instance_no = ddi_get_instance(dip);
+	instance = (struct drsas_instance *)ddi_get_soft_state
+	    (drsas_state, instance_no);
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	if (!instance) {
+		con_log(CL_ANN, (CE_WARN, "dr_sas:%d could not get adapter "
+		    "in reset", instance_no));
+		return (DDI_FAILURE);
+	}
+
+	instance->func_ptr->disable_intr(instance);
+
+	con_log(CL_ANN1, (CE_NOTE, "flushing cache for instance %d",
+	    instance_no));
+
+	flush_cache(instance);
+
+	return (DDI_SUCCESS);
+}
+
+
+/*
+ * ************************************************************************** *
+ *                                                                            *
+ *                          entry points (SCSI HBA)                           *
+ *                                                                            *
+ * ************************************************************************** *
+ */
+/*ARGSUSED*/
+static int
+drsas_tran_tgt_init(dev_info_t *hba_dip, dev_info_t *tgt_dip,
+		scsi_hba_tran_t *tran, struct scsi_device *sd)
+{
+	struct drsas_instance *instance;
+	uint16_t tgt = sd->sd_address.a_target;
+	uint8_t lun = sd->sd_address.a_lun;
+
+	con_log(CL_ANN1, (CE_NOTE, "drsas_tgt_init target %d lun %d",
+	    tgt, lun));
+
+	instance = ADDR2MR(&sd->sd_address);
+
+	if (ndi_dev_is_persistent_node(tgt_dip) == 0) {
+		(void) ndi_merge_node(tgt_dip, drsas_name_node);
+		ddi_set_name_addr(tgt_dip, NULL);
+
+		con_log(CL_ANN1, (CE_NOTE, "drsas_tgt_init in "
+		    "ndi_dev_is_persistent_node DDI_FAILURE t = %d l = %d",
+		    tgt, lun));
+		return (DDI_FAILURE);
+	}
+
+	con_log(CL_ANN1, (CE_NOTE, "drsas_tgt_init dev_dip %p tgt_dip %p",
+	    (void *)instance->dr_ld_list[tgt].dip, (void *)tgt_dip));
+
+	if (tgt < MRDRV_MAX_LD && lun == 0) {
+		if (instance->dr_ld_list[tgt].dip == NULL &&
+		    strcmp(ddi_driver_name(sd->sd_dev), "sd") == 0) {
+			instance->dr_ld_list[tgt].dip = tgt_dip;
+			instance->dr_ld_list[tgt].lun_type = DRSAS_LD_LUN;
+		}
+	}
+	return (DDI_SUCCESS);
+}
+
+/*ARGSUSED*/
+static void
+drsas_tran_tgt_free(dev_info_t *hba_dip, dev_info_t *tgt_dip,
+    scsi_hba_tran_t *hba_tran, struct scsi_device *sd)
+{
+	struct drsas_instance *instance;
+	int tgt = sd->sd_address.a_target;
+	int lun = sd->sd_address.a_lun;
+
+	instance = ADDR2MR(&sd->sd_address);
+
+	con_log(CL_ANN1, (CE_NOTE, "tgt_free t = %d l = %d", tgt, lun));
+
+	if (tgt < MRDRV_MAX_LD && lun == 0) {
+		if (instance->dr_ld_list[tgt].dip == tgt_dip) {
+			instance->dr_ld_list[tgt].dip = NULL;
+		}
+	}
+}
+
+static dev_info_t *
+drsas_find_child(struct drsas_instance *instance, uint16_t tgt, uint8_t lun)
+{
+	dev_info_t *child = NULL;
+	char addr[SCSI_MAXNAMELEN];
+	char tmp[MAXNAMELEN];
+
+	(void) sprintf(addr, "%x,%x", tgt, lun);
+	for (child = ddi_get_child(instance->dip); child;
+	    child = ddi_get_next_sibling(child)) {
+
+		if (drsas_name_node(child, tmp, MAXNAMELEN) !=
+		    DDI_SUCCESS) {
+			continue;
+		}
+
+		if (strcmp(addr, tmp) == 0) {
+			break;
+		}
+	}
+	con_log(CL_ANN1, (CE_NOTE, "drsas_find_child: return child = %p",
+	    (void *)child));
+	return (child);
+}
+
+static int
+drsas_name_node(dev_info_t *dip, char *name, int len)
+{
+	int tgt, lun;
+
+	tgt = ddi_prop_get_int(DDI_DEV_T_ANY, dip,
+	    DDI_PROP_DONTPASS, "target", -1);
+	con_log(CL_ANN1, (CE_NOTE,
+	    "drsas_name_node: dip %p tgt %d", (void *)dip, tgt));
+	if (tgt == -1) {
+		return (DDI_FAILURE);
+	}
+	lun = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
+	    "lun", -1);
+	con_log(CL_ANN1,
+	    (CE_NOTE, "drsas_name_node: tgt %d lun %d", tgt, lun));
+	if (lun == -1) {
+		return (DDI_FAILURE);
+	}
+	(void) snprintf(name, len, "%x,%x", tgt, lun);
+	return (DDI_SUCCESS);
+}
+
+static struct scsi_pkt *
+drsas_tran_init_pkt(struct scsi_address *ap, register struct scsi_pkt *pkt,
+	struct buf *bp, int cmdlen, int statuslen, int tgtlen,
+	int flags, int (*callback)(), caddr_t arg)
+{
+	struct scsa_cmd	*acmd;
+	struct drsas_instance	*instance;
+	struct scsi_pkt	*new_pkt;
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	instance = ADDR2MR(ap);
+
+	/* step #1 : pkt allocation */
+	if (pkt == NULL) {
+		pkt = scsi_hba_pkt_alloc(instance->dip, ap, cmdlen, statuslen,
+		    tgtlen, sizeof (struct scsa_cmd), callback, arg);
+		if (pkt == NULL) {
+			return (NULL);
+		}
+
+		acmd = PKT2CMD(pkt);
+
+		/*
+		 * Initialize the new pkt - we redundantly initialize
+		 * all the fields for illustrative purposes.
+		 */
+		acmd->cmd_pkt		= pkt;
+		acmd->cmd_flags		= 0;
+		acmd->cmd_scblen	= statuslen;
+		acmd->cmd_cdblen	= cmdlen;
+		acmd->cmd_dmahandle	= NULL;
+		acmd->cmd_ncookies	= 0;
+		acmd->cmd_cookie	= 0;
+		acmd->cmd_cookiecnt	= 0;
+		acmd->cmd_nwin		= 0;
+
+		pkt->pkt_address	= *ap;
+		pkt->pkt_comp		= (void (*)())NULL;
+		pkt->pkt_flags		= 0;
+		pkt->pkt_time		= 0;
+		pkt->pkt_resid		= 0;
+		pkt->pkt_state		= 0;
+		pkt->pkt_statistics	= 0;
+		pkt->pkt_reason		= 0;
+		new_pkt			= pkt;
+	} else {
+		acmd = PKT2CMD(pkt);
+		new_pkt = NULL;
+	}
+
+	/* step #2 : dma allocation/move */
+	if (bp && bp->b_bcount != 0) {
+		if (acmd->cmd_dmahandle == NULL) {
+			if (drsas_dma_alloc(instance, pkt, bp, flags,
+			    callback) == DDI_FAILURE) {
+				if (new_pkt) {
+					scsi_hba_pkt_free(ap, new_pkt);
+				}
+				return ((struct scsi_pkt *)NULL);
+			}
+		} else {
+			if (drsas_dma_move(instance, pkt, bp) == DDI_FAILURE) {
+				return ((struct scsi_pkt *)NULL);
+			}
+		}
+	}
+
+	return (pkt);
+}
+
+static int
+drsas_tran_start(struct scsi_address *ap, register struct scsi_pkt *pkt)
+{
+	uchar_t 	cmd_done = 0;
+
+	struct drsas_instance	*instance = ADDR2MR(ap);
+	struct drsas_cmd	*cmd;
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d:SCSI CDB[0]=0x%x",
+	    __func__, __LINE__, pkt->pkt_cdbp[0]));
+
+	pkt->pkt_reason	= CMD_CMPLT;
+	*pkt->pkt_scbp = STATUS_GOOD; /* clear arq scsi_status */
+
+	cmd = build_cmd(instance, ap, pkt, &cmd_done);
+
+	/*
+	 * Check if the command is already completed by the drsas_build_cmd()
+	 * routine. In which case the busy_flag would be clear and scb will be
+	 * NULL and appropriate reason provided in pkt_reason field
+	 */
+	if (cmd_done) {
+		pkt->pkt_reason = CMD_CMPLT;
+		pkt->pkt_scbp[0] = STATUS_GOOD;
+		pkt->pkt_state |= STATE_GOT_BUS | STATE_GOT_TARGET
+		    | STATE_SENT_CMD;
+		if (((pkt->pkt_flags & FLAG_NOINTR) == 0) && pkt->pkt_comp) {
+			(*pkt->pkt_comp)(pkt);
+		}
+
+		return (TRAN_ACCEPT);
+	}
+
+	if (cmd == NULL) {
+		return (TRAN_BUSY);
+	}
+
+	if ((pkt->pkt_flags & FLAG_NOINTR) == 0) {
+		if (instance->fw_outstanding > instance->max_fw_cmds) {
+			con_log(CL_ANN, (CE_CONT, "dr_sas:Firmware busy"));
+			return_mfi_pkt(instance, cmd);
+			return (TRAN_BUSY);
+		}
+
+		/* Synchronize the Cmd frame for the controller */
+		(void) ddi_dma_sync(cmd->frame_dma_obj.dma_handle, 0, 0,
+		    DDI_DMA_SYNC_FORDEV);
+
+		instance->func_ptr->issue_cmd(cmd, instance);
+
+	} else {
+		struct drsas_header *hdr = &cmd->frame->hdr;
+
+		cmd->sync_cmd = DRSAS_TRUE;
+
+		instance->func_ptr-> issue_cmd_in_poll_mode(instance, cmd);
+
+		pkt->pkt_reason		= CMD_CMPLT;
+		pkt->pkt_statistics	= 0;
+		pkt->pkt_state |= STATE_XFERRED_DATA | STATE_GOT_STATUS;
+
+		switch (ddi_get8(cmd->frame_dma_obj.acc_handle,
+		    &hdr->cmd_status)) {
+		case MFI_STAT_OK:
+			pkt->pkt_scbp[0] = STATUS_GOOD;
+			break;
+
+		case MFI_STAT_SCSI_DONE_WITH_ERROR:
+
+			pkt->pkt_reason	= CMD_CMPLT;
+			pkt->pkt_statistics = 0;
+
+			((struct scsi_status *)pkt->pkt_scbp)->sts_chk = 1;
+			break;
+
+		case MFI_STAT_DEVICE_NOT_FOUND:
+			pkt->pkt_reason		= CMD_DEV_GONE;
+			pkt->pkt_statistics	= STAT_DISCON;
+			break;
+
+		default:
+			((struct scsi_status *)pkt->pkt_scbp)->sts_busy = 1;
+		}
+
+		return_mfi_pkt(instance, cmd);
+		(void) drsas_common_check(instance, cmd);
+
+		if (pkt->pkt_comp) {
+			(*pkt->pkt_comp)(pkt);
+		}
+
+	}
+
+	return (TRAN_ACCEPT);
+}
+
+/*ARGSUSED*/
+static int
+drsas_tran_abort(struct scsi_address *ap, struct scsi_pkt *pkt)
+{
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	/* abort command not supported by H/W */
+
+	return (DDI_FAILURE);
+}
+
+/*ARGSUSED*/
+static int
+drsas_tran_reset(struct scsi_address *ap, int level)
+{
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	/* reset command not supported by H/W */
+
+	return (DDI_FAILURE);
+
+}
+
+/*ARGSUSED*/
+static int
+drsas_tran_getcap(struct scsi_address *ap, char *cap, int whom)
+{
+	int	rval = 0;
+
+	struct drsas_instance	*instance = ADDR2MR(ap);
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	/* we do allow inquiring about capabilities for other targets */
+	if (cap == NULL) {
+		return (-1);
+	}
+
+	switch (scsi_hba_lookup_capstr(cap)) {
+	case SCSI_CAP_DMA_MAX:
+		/* Limit to 16MB max transfer */
+		rval = drsas_max_cap_maxxfer;
+		break;
+	case SCSI_CAP_MSG_OUT:
+		rval = 1;
+		break;
+	case SCSI_CAP_DISCONNECT:
+		rval = 0;
+		break;
+	case SCSI_CAP_SYNCHRONOUS:
+		rval = 0;
+		break;
+	case SCSI_CAP_WIDE_XFER:
+		rval = 1;
+		break;
+	case SCSI_CAP_TAGGED_QING:
+		rval = 1;
+		break;
+	case SCSI_CAP_UNTAGGED_QING:
+		rval = 1;
+		break;
+	case SCSI_CAP_PARITY:
+		rval = 1;
+		break;
+	case SCSI_CAP_INITIATOR_ID:
+		rval = instance->init_id;
+		break;
+	case SCSI_CAP_ARQ:
+		rval = 1;
+		break;
+	case SCSI_CAP_LINKED_CMDS:
+		rval = 0;
+		break;
+	case SCSI_CAP_RESET_NOTIFICATION:
+		rval = 1;
+		break;
+	case SCSI_CAP_GEOMETRY:
+		rval = -1;
+
+		break;
+	default:
+		con_log(CL_DLEVEL2, (CE_NOTE, "Default cap coming 0x%x",
+		    scsi_hba_lookup_capstr(cap)));
+		rval = -1;
+		break;
+	}
+
+	return (rval);
+}
+
+/*ARGSUSED*/
+static int
+drsas_tran_setcap(struct scsi_address *ap, char *cap, int value, int whom)
+{
+	int		rval = 1;
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	/* We don't allow setting capabilities for other targets */
+	if (cap == NULL || whom == 0) {
+		return (-1);
+	}
+
+	switch (scsi_hba_lookup_capstr(cap)) {
+		case SCSI_CAP_DMA_MAX:
+		case SCSI_CAP_MSG_OUT:
+		case SCSI_CAP_PARITY:
+		case SCSI_CAP_LINKED_CMDS:
+		case SCSI_CAP_RESET_NOTIFICATION:
+		case SCSI_CAP_DISCONNECT:
+		case SCSI_CAP_SYNCHRONOUS:
+		case SCSI_CAP_UNTAGGED_QING:
+		case SCSI_CAP_WIDE_XFER:
+		case SCSI_CAP_INITIATOR_ID:
+		case SCSI_CAP_ARQ:
+			/*
+			 * None of these are settable via
+			 * the capability interface.
+			 */
+			break;
+		case SCSI_CAP_TAGGED_QING:
+			rval = 1;
+			break;
+		case SCSI_CAP_SECTOR_SIZE:
+			rval = 1;
+			break;
+
+		case SCSI_CAP_TOTAL_SECTORS:
+			rval = 1;
+			break;
+		default:
+			rval = -1;
+			break;
+	}
+
+	return (rval);
+}
+
+static void
+drsas_tran_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt)
+{
+	struct scsa_cmd *acmd = PKT2CMD(pkt);
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	if (acmd->cmd_flags & CFLAG_DMAVALID) {
+		acmd->cmd_flags &= ~CFLAG_DMAVALID;
+
+		(void) ddi_dma_unbind_handle(acmd->cmd_dmahandle);
+
+		ddi_dma_free_handle(&acmd->cmd_dmahandle);
+
+		acmd->cmd_dmahandle = NULL;
+	}
+
+	/* free the pkt */
+	scsi_hba_pkt_free(ap, pkt);
+}
+
+/*ARGSUSED*/
+static void
+drsas_tran_dmafree(struct scsi_address *ap, struct scsi_pkt *pkt)
+{
+	register struct scsa_cmd *acmd = PKT2CMD(pkt);
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	if (acmd->cmd_flags & CFLAG_DMAVALID) {
+		acmd->cmd_flags &= ~CFLAG_DMAVALID;
+
+		(void) ddi_dma_unbind_handle(acmd->cmd_dmahandle);
+
+		ddi_dma_free_handle(&acmd->cmd_dmahandle);
+
+		acmd->cmd_dmahandle = NULL;
+	}
+}
+
+/*ARGSUSED*/
+static void
+drsas_tran_sync_pkt(struct scsi_address *ap, struct scsi_pkt *pkt)
+{
+	register struct scsa_cmd	*acmd = PKT2CMD(pkt);
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	if (acmd->cmd_flags & CFLAG_DMAVALID) {
+		(void) ddi_dma_sync(acmd->cmd_dmahandle, acmd->cmd_dma_offset,
+		    acmd->cmd_dma_len, (acmd->cmd_flags & CFLAG_DMASEND) ?
+		    DDI_DMA_SYNC_FORDEV : DDI_DMA_SYNC_FORCPU);
+	}
+}
+
+/*
+ * drsas_isr(caddr_t)
+ *
+ * The Interrupt Service Routine
+ *
+ * Collect status for all completed commands and do callback
+ *
+ */
+static uint_t
+drsas_isr(struct drsas_instance *instance)
+{
+	int		need_softintr;
+	uint32_t	producer;
+	uint32_t	consumer;
+	uint32_t	context;
+
+	struct drsas_cmd	*cmd;
+
+	con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
+
+	ASSERT(instance);
+	if ((instance->intr_type == DDI_INTR_TYPE_FIXED) &&
+	    !instance->func_ptr->intr_ack(instance)) {
+		return (DDI_INTR_UNCLAIMED);
+	}
+
+	(void) ddi_dma_sync(instance->mfi_internal_dma_obj.dma_handle,
+	    0, 0, DDI_DMA_SYNC_FORCPU);
+
+	if (drsas_check_dma_handle(instance->mfi_internal_dma_obj.dma_handle)
+	    != DDI_SUCCESS) {
+		drsas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE);
+		ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
+		return (DDI_INTR_UNCLAIMED);
+	}
+
+	producer = ddi_get32(instance->mfi_internal_dma_obj.acc_handle,
+	    instance->producer);
+	consumer = ddi_get32(instance->mfi_internal_dma_obj.acc_handle,
+	    instance->consumer);
+
+	con_log(CL_ANN1, (CE_CONT, " producer %x consumer %x ",
+	    producer, consumer));
+	if (producer == consumer) {
+		con_log(CL_ANN1, (CE_WARN, "producer = consumer case"));
+		return (DDI_INTR_UNCLAIMED);
+	}
+	mutex_enter(&instance->completed_pool_mtx);
+
+	while (consumer != producer) {
+		context = ddi_get32(instance->mfi_internal_dma_obj.acc_handle,
+		    &instance->reply_queue[consumer]);
+		cmd = instance->cmd_list[context];
+		mlist_add_tail(&cmd->list, &instance->completed_pool_list);
+
+		consumer++;
+		if (consumer == (instance->max_fw_cmds + 1)) {
+			consumer = 0;
+		}
+	}
+
+	mutex_exit(&instance->completed_pool_mtx);
+
+	ddi_put32(instance->mfi_internal_dma_obj.acc_handle,
+	    instance->consumer, consumer);
+	(void) ddi_dma_sync(instance->mfi_internal_dma_obj.dma_handle,
+	    0, 0, DDI_DMA_SYNC_FORDEV);
+
+	if (instance->softint_running) {
+		need_softintr = 0;
+	} else {
+		need_softintr = 1;
+	}
+
+	if (instance->isr_level == HIGH_LEVEL_INTR) {
+		if (need_softintr) {
+			ddi_trigger_softintr(instance->soft_intr_id);
+		}
+	} else {
+		/*
+		 * Not a high-level interrupt, therefore call the soft level
+		 * interrupt explicitly
+		 */
+		(void) drsas_softintr(instance);
+	}
+
+	return (DDI_INTR_CLAIMED);
+}
+
+
+/*
+ * ************************************************************************** *
+ *                                                                            *
+ *                                  libraries                                 *
+ *                                                                            *
+ * ************************************************************************** *
+ */
+/*
+ * get_mfi_pkt : Get a command from the free pool
+ * After successful allocation, the caller of this routine
+ * must clear the frame buffer (memset to zero) before
+ * using the packet further.
+ *
+ * ***** Note *****
+ * After clearing the frame buffer the context id of the
+ * frame buffer SHOULD be restored back.
+ */
+static struct drsas_cmd *
+get_mfi_pkt(struct drsas_instance *instance)
+{
+	mlist_t 		*head = &instance->cmd_pool_list;
+	struct drsas_cmd	*cmd = NULL;
+
+	mutex_enter(&instance->cmd_pool_mtx);
+	ASSERT(mutex_owned(&instance->cmd_pool_mtx));
+
+	if (!mlist_empty(head)) {
+		cmd = mlist_entry(head->next, struct drsas_cmd, list);
+		mlist_del_init(head->next);
+	}
+	if (cmd != NULL)
+		cmd->pkt = NULL;
+	mutex_exit(&instance->cmd_pool_mtx);
+
+	return (cmd);
+}
+
+/*
+ * return_mfi_pkt : Return a cmd to free command pool
+ */
+static void
+return_mfi_pkt(struct drsas_instance *instance, struct drsas_cmd *cmd)
+{
+	mutex_enter(&instance->cmd_pool_mtx);
+	ASSERT(mutex_owned(&instance->cmd_pool_mtx));
+
+	mlist_add(&cmd->list, &instance->cmd_pool_list);
+
+	mutex_exit(&instance->cmd_pool_mtx);
+}
+
+/*
+ * destroy_mfi_frame_pool
+ */
+static void
+destroy_mfi_frame_pool(struct drsas_instance *instance)
+{
+	int		i;
+	uint32_t	max_cmd = instance->max_fw_cmds;
+
+	struct drsas_cmd	*cmd;
+
+	/* return all frames to pool */
+	for (i = 0; i < max_cmd+1; i++) {
+
+		cmd = instance->cmd_list[i];
+
+		if (cmd->frame_dma_obj_status == DMA_OBJ_ALLOCATED)
+			(void) drsas_free_dma_obj(instance, cmd->frame_dma_obj);
+
+		cmd->frame_dma_obj_status  = DMA_OBJ_FREED;
+	}
+
+}
+
+/*
+ * create_mfi_frame_pool
+ */
+static int
+create_mfi_frame_pool(struct drsas_instance *instance)
+{
+	int		i = 0;
+	int		cookie_cnt;
+	uint16_t	max_cmd;
+	uint16_t	sge_sz;
+	uint32_t	sgl_sz;
+	uint32_t	tot_frame_size;
+
+	struct drsas_cmd	*cmd;
+
+	max_cmd = instance->max_fw_cmds;
+
+	sge_sz	= sizeof (struct drsas_sge64);
+
+	/* calculated the number of 64byte frames required for SGL */
+	sgl_sz		= sge_sz * instance->max_num_sge;
+	tot_frame_size	= sgl_sz + MRMFI_FRAME_SIZE + SENSE_LENGTH;
+
+	con_log(CL_DLEVEL3, (CE_NOTE, "create_mfi_frame_pool: "
+	    "sgl_sz %x tot_frame_size %x", sgl_sz, tot_frame_size));
+
+	while (i < max_cmd+1) {
+		cmd = instance->cmd_list[i];
+
+		cmd->frame_dma_obj.size	= tot_frame_size;
+		cmd->frame_dma_obj.dma_attr = drsas_generic_dma_attr;
+		cmd->frame_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
+		cmd->frame_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
+		cmd->frame_dma_obj.dma_attr.dma_attr_sgllen = 1;
+		cmd->frame_dma_obj.dma_attr.dma_attr_align = 64;
+
+
+		cookie_cnt = drsas_alloc_dma_obj(instance, &cmd->frame_dma_obj,
+		    (uchar_t)DDI_STRUCTURE_LE_ACC);
+
+		if (cookie_cnt == -1 || cookie_cnt > 1) {
+			con_log(CL_ANN, (CE_WARN,
+			    "create_mfi_frame_pool: could not alloc."));
+			return (DDI_FAILURE);
+		}
+
+		bzero(cmd->frame_dma_obj.buffer, tot_frame_size);
+
+		cmd->frame_dma_obj_status = DMA_OBJ_ALLOCATED;
+		cmd->frame = (union drsas_frame *)cmd->frame_dma_obj.buffer;
+		cmd->frame_phys_addr =
+		    cmd->frame_dma_obj.dma_cookie[0].dmac_address;
+
+		cmd->sense = (uint8_t *)(((unsigned long)
+		    cmd->frame_dma_obj.buffer) +
+		    tot_frame_size - SENSE_LENGTH);
+		cmd->sense_phys_addr =
+		    cmd->frame_dma_obj.dma_cookie[0].dmac_address +
+		    tot_frame_size - SENSE_LENGTH;
+
+		if (!cmd->frame || !cmd->sense) {
+			con_log(CL_ANN, (CE_NOTE,
+			    "dr_sas: pci_pool_alloc failed"));
+
+			return (ENOMEM);
+		}
+
+		ddi_put32(cmd->frame_dma_obj.acc_handle,
+		    &cmd->frame->io.context, cmd->index);
+		i++;
+
+		con_log(CL_DLEVEL3, (CE_NOTE, "[%x]-%x",
+		    cmd->index, cmd->frame_phys_addr));
+	}
+
+	return (DDI_SUCCESS);
+}
+
+/*
+ * free_additional_dma_buffer
+ */
+static void
+free_additional_dma_buffer(struct drsas_instance *instance)
+{
+	if (instance->mfi_internal_dma_obj.status == DMA_OBJ_ALLOCATED) {
+		(void) drsas_free_dma_obj(instance,
+		    instance->mfi_internal_dma_obj);
+		instance->mfi_internal_dma_obj.status = DMA_OBJ_FREED;
+	}
+
+	if (instance->mfi_evt_detail_obj.status == DMA_OBJ_ALLOCATED) {
+		(void) drsas_free_dma_obj(instance,
+		    instance->mfi_evt_detail_obj);
+		instance->mfi_evt_detail_obj.status = DMA_OBJ_FREED;
+	}
+}
+
+/*
+ * alloc_additional_dma_buffer
+ */
+static int
+alloc_additional_dma_buffer(struct drsas_instance *instance)
+{
+	uint32_t	reply_q_sz;
+	uint32_t	internal_buf_size = PAGESIZE*2;
+
+	/* max cmds plus 1 + producer & consumer */
+	reply_q_sz = sizeof (uint32_t) * (instance->max_fw_cmds + 1 + 2);
+
+	instance->mfi_internal_dma_obj.size = internal_buf_size;
+	instance->mfi_internal_dma_obj.dma_attr	= drsas_generic_dma_attr;
+	instance->mfi_internal_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
+	instance->mfi_internal_dma_obj.dma_attr.dma_attr_count_max =
+	    0xFFFFFFFFU;
+	instance->mfi_internal_dma_obj.dma_attr.dma_attr_sgllen	= 1;
+
+	if (drsas_alloc_dma_obj(instance, &instance->mfi_internal_dma_obj,
+	    (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
+		con_log(CL_ANN, (CE_WARN,
+		    "dr_sas: could not alloc reply queue"));
+		return (DDI_FAILURE);
+	}
+
+	bzero(instance->mfi_internal_dma_obj.buffer, internal_buf_size);
+
+	instance->mfi_internal_dma_obj.status |= DMA_OBJ_ALLOCATED;
+
+	instance->producer = (uint32_t *)((unsigned long)
+	    instance->mfi_internal_dma_obj.buffer);
+	instance->consumer = (uint32_t *)((unsigned long)
+	    instance->mfi_internal_dma_obj.buffer + 4);
+	instance->reply_queue = (uint32_t *)((unsigned long)
+	    instance->mfi_internal_dma_obj.buffer + 8);
+	instance->internal_buf = (caddr_t)(((unsigned long)
+	    instance->mfi_internal_dma_obj.buffer) + reply_q_sz + 8);
+	instance->internal_buf_dmac_add =
+	    instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address +
+	    (reply_q_sz + 8);
+	instance->internal_buf_size = internal_buf_size -
+	    (reply_q_sz + 8);
+
+	/* allocate evt_detail */
+	instance->mfi_evt_detail_obj.size = sizeof (struct drsas_evt_detail);
+	instance->mfi_evt_detail_obj.dma_attr = drsas_generic_dma_attr;
+	instance->mfi_evt_detail_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
+	instance->mfi_evt_detail_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
+	instance->mfi_evt_detail_obj.dma_attr.dma_attr_sgllen = 1;
+	instance->mfi_evt_detail_obj.dma_attr.dma_attr_align = 1;
+
+	if (drsas_alloc_dma_obj(instance, &instance->mfi_evt_detail_obj,
+	    (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
+		con_log(CL_ANN, (CE_WARN, "alloc_additional_dma_buffer: "
+		    "could not allocate data transfer buffer."));
+		return (DDI_FAILURE);
+	}
+
+	bzero(instance->mfi_evt_detail_obj.buffer,
+	    sizeof (struct drsas_evt_detail));
+
+	instance->mfi_evt_detail_obj.status |= DMA_OBJ_ALLOCATED;
+
+	return (DDI_SUCCESS);
+}
+
+/*
+ * free_space_for_mfi
+ */
+static void
+free_space_for_mfi(struct drsas_instance *instance)
+{
+	int		i;
+	uint32_t	max_cmd = instance->max_fw_cmds;
+
+	/* already freed */
+	if (instance->cmd_list == NULL) {
+		return;
+	}
+
+	free_additional_dma_buffer(instance);
+
+	/* first free the MFI frame pool */
+	destroy_mfi_frame_pool(instance);
+
+	/* free all the commands in the cmd_list */
+	for (i = 0; i < instance->max_fw_cmds+1; i++) {
+		kmem_free(instance->cmd_list[i],
+		    sizeof (struct drsas_cmd));
+
+		instance->cmd_list[i] = NULL;
+	}
+
+	/* free the cmd_list buffer itself */
+	kmem_free(instance->cmd_list,
+	    sizeof (struct drsas_cmd *) * (max_cmd+1));
+
+	instance->cmd_list = NULL;
+
+	INIT_LIST_HEAD(&instance->cmd_pool_list);
+}
+
+/*
+ * alloc_space_for_mfi
+ */
+static int
+alloc_space_for_mfi(struct drsas_instance *instance)
+{
+	int		i;
+	uint32_t	max_cmd;
+	size_t		sz;
+
+	struct drsas_cmd	*cmd;
+
+	max_cmd = instance->max_fw_cmds;
+
+	/* reserve 1 more slot for flush_cache */
+	sz = sizeof (struct drsas_cmd *) * (max_cmd+1);
+
+	/*
+	 * instance->cmd_list is an array of struct drsas_cmd pointers.
+	 * Allocate the dynamic array first and then allocate individual
+	 * commands.
+	 */
+	instance->cmd_list = kmem_zalloc(sz, KM_SLEEP);
+	ASSERT(instance->cmd_list);
+
+	for (i = 0; i < max_cmd+1; i++) {
+		instance->cmd_list[i] = kmem_zalloc(sizeof (struct drsas_cmd),
+		    KM_SLEEP);
+		ASSERT(instance->cmd_list[i]);
+	}
+
+	INIT_LIST_HEAD(&instance->cmd_pool_list);
+
+	/* add all the commands to command pool (instance->cmd_pool) */
+	for (i = 0; i < max_cmd; i++) {
+		cmd		= instance->cmd_list[i];
+		cmd->index	= i;
+
+		mlist_add_tail(&cmd->list, &instance->cmd_pool_list);
+	}
+
+	/* single slot for flush_cache won't be added in command pool */
+	cmd		= instance->cmd_list[max_cmd];
+	cmd->index	= i;
+
+	/* create a frame pool and assign one frame to each cmd */
+	if (create_mfi_frame_pool(instance)) {
+		con_log(CL_ANN, (CE_NOTE, "error creating frame DMA pool"));
+		return (DDI_FAILURE);
+	}
+
+	/* create a frame pool and assign one frame to each cmd */
+	if (alloc_additional_dma_buffer(instance)) {
+		con_log(CL_ANN, (CE_NOTE, "error creating frame DMA pool"));
+		return (DDI_FAILURE);
+	}
+
+	return (DDI_SUCCESS);
+}
+
+/*
+ * get_ctrl_info
+ */
+static int
+get_ctrl_info(struct drsas_instance *instance,
+    struct drsas_ctrl_info *ctrl_info)
+{
+	int	ret = 0;
+
+	struct drsas_cmd		*cmd;
+	struct drsas_dcmd_frame	*dcmd;
+	struct drsas_ctrl_info	*ci;
+
+	cmd = get_mfi_pkt(instance);
+
+	if (!cmd) {
+		con_log(CL_ANN, (CE_WARN,
+		    "Failed to get a cmd for ctrl info"));
+		return (DDI_FAILURE);
+	}
+	/* Clear the frame buffer and assign back the context id */
+	(void) memset((char *)&cmd->frame[0], 0, sizeof (union drsas_frame));
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
+	    cmd->index);
+
+	dcmd = &cmd->frame->dcmd;
+
+	ci = (struct drsas_ctrl_info *)instance->internal_buf;
+
+	if (!ci) {
+		con_log(CL_ANN, (CE_WARN,
+		    "Failed to alloc mem for ctrl info"));
+		return_mfi_pkt(instance, cmd);
+		return (DDI_FAILURE);
+	}
+
+	(void) memset(ci, 0, sizeof (struct drsas_ctrl_info));
+
+	/* for( i = 0; i < DCMD_MBOX_SZ; i++ ) dcmd->mbox.b[i] = 0; */
+	(void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ);
+
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD);
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status,
+	    MFI_CMD_STATUS_POLL_MODE);
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 1);
+	ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags,
+	    MFI_FRAME_DIR_READ);
+	ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0);
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len,
+	    sizeof (struct drsas_ctrl_info));
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode,
+	    DR_DCMD_CTRL_GET_INFO);
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].phys_addr,
+	    instance->internal_buf_dmac_add);
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].length,
+	    sizeof (struct drsas_ctrl_info));
+
+	cmd->frame_count = 1;
+
+	if (!instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) {
+		ret = 0;
+		ddi_rep_get8(cmd->frame_dma_obj.acc_handle,
+		    (uint8_t *)ctrl_info, (uint8_t *)ci,
+		    sizeof (struct drsas_ctrl_info), DDI_DEV_AUTOINCR);
+	} else {
+		con_log(CL_ANN, (CE_WARN, "get_ctrl_info: Ctrl info failed"));
+		ret = -1;
+	}
+
+	return_mfi_pkt(instance, cmd);
+	if (drsas_common_check(instance, cmd) != DDI_SUCCESS) {
+		ret = -1;
+	}
+
+	return (ret);
+}
+
+/*
+ * abort_aen_cmd
+ */
+static int
+abort_aen_cmd(struct drsas_instance *instance,
+    struct drsas_cmd *cmd_to_abort)
+{
+	int	ret = 0;
+
+	struct drsas_cmd		*cmd;
+	struct drsas_abort_frame	*abort_fr;
+
+	cmd = get_mfi_pkt(instance);
+
+	if (!cmd) {
+		con_log(CL_ANN, (CE_WARN,
+		    "Failed to get a cmd for ctrl info"));
+		return (DDI_FAILURE);
+	}
+	/* Clear the frame buffer and assign back the context id */
+	(void) memset((char *)&cmd->frame[0], 0, sizeof (union drsas_frame));
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
+	    cmd->index);
+
+	abort_fr = &cmd->frame->abort;
+
+	/* prepare and issue the abort frame */
+	ddi_put8(cmd->frame_dma_obj.acc_handle,
+	    &abort_fr->cmd, MFI_CMD_OP_ABORT);
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &abort_fr->cmd_status,
+	    MFI_CMD_STATUS_SYNC_MODE);
+	ddi_put16(cmd->frame_dma_obj.acc_handle, &abort_fr->flags, 0);
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &abort_fr->abort_context,
+	    cmd_to_abort->index);
+	ddi_put32(cmd->frame_dma_obj.acc_handle,
+	    &abort_fr->abort_mfi_phys_addr_lo, cmd_to_abort->frame_phys_addr);
+	ddi_put32(cmd->frame_dma_obj.acc_handle,
+	    &abort_fr->abort_mfi_phys_addr_hi, 0);
+
+	instance->aen_cmd->abort_aen = 1;
+
+	cmd->sync_cmd = DRSAS_TRUE;
+	cmd->frame_count = 1;
+
+	if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
+		con_log(CL_ANN, (CE_WARN,
+		    "abort_aen_cmd: issue_cmd_in_sync_mode failed"));
+		ret = -1;
+	} else {
+		ret = 0;
+	}
+
+	instance->aen_cmd->abort_aen = 1;
+	instance->aen_cmd = 0;
+
+	return_mfi_pkt(instance, cmd);
+	(void) drsas_common_check(instance, cmd);
+
+	return (ret);
+}
+
+/*
+ * init_mfi
+ */
+static int
+init_mfi(struct drsas_instance *instance)
+{
+	struct drsas_cmd		*cmd;
+	struct drsas_ctrl_info		ctrl_info;
+	struct drsas_init_frame		*init_frame;
+	struct drsas_init_queue_info	*initq_info;
+
+	/* we expect the FW state to be READY */
+	if (mfi_state_transition_to_ready(instance)) {
+		con_log(CL_ANN, (CE_WARN, "dr_sas: F/W is not ready"));
+		goto fail_ready_state;
+	}
+
+	/* get various operational parameters from status register */
+	instance->max_num_sge =
+	    (instance->func_ptr->read_fw_status_reg(instance) &
+	    0xFF0000) >> 0x10;
+	/*
+	 * Reduce the max supported cmds by 1. This is to ensure that the
+	 * reply_q_sz (1 more than the max cmd that driver may send)
+	 * does not exceed max cmds that the FW can support
+	 */
+	instance->max_fw_cmds =
+	    instance->func_ptr->read_fw_status_reg(instance) & 0xFFFF;
+	instance->max_fw_cmds = instance->max_fw_cmds - 1;
+
+	instance->max_num_sge =
+	    (instance->max_num_sge > DRSAS_MAX_SGE_CNT) ?
+	    DRSAS_MAX_SGE_CNT : instance->max_num_sge;
+
+	/* create a pool of commands */
+	if (alloc_space_for_mfi(instance) != DDI_SUCCESS)
+		goto fail_alloc_fw_space;
+
+	/*
+	 * Prepare a init frame. Note the init frame points to queue info
+	 * structure. Each frame has SGL allocated after first 64 bytes. For
+	 * this frame - since we don't need any SGL - we use SGL's space as
+	 * queue info structure
+	 */
+	cmd = get_mfi_pkt(instance);
+	/* Clear the frame buffer and assign back the context id */
+	(void) memset((char *)&cmd->frame[0], 0, sizeof (union drsas_frame));
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
+	    cmd->index);
+
+	init_frame = (struct drsas_init_frame *)cmd->frame;
+	initq_info = (struct drsas_init_queue_info *)
+	    ((unsigned long)init_frame + 64);
+
+	(void) memset(init_frame, 0, MRMFI_FRAME_SIZE);
+	(void) memset(initq_info, 0, sizeof (struct drsas_init_queue_info));
+
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &initq_info->init_flags, 0);
+
+	ddi_put32(cmd->frame_dma_obj.acc_handle,
+	    &initq_info->reply_queue_entries, instance->max_fw_cmds + 1);
+
+	ddi_put32(cmd->frame_dma_obj.acc_handle,
+	    &initq_info->producer_index_phys_addr_hi, 0);
+	ddi_put32(cmd->frame_dma_obj.acc_handle,
+	    &initq_info->producer_index_phys_addr_lo,
+	    instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address);
+
+	ddi_put32(cmd->frame_dma_obj.acc_handle,
+	    &initq_info->consumer_index_phys_addr_hi, 0);
+	ddi_put32(cmd->frame_dma_obj.acc_handle,
+	    &initq_info->consumer_index_phys_addr_lo,
+	    instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 4);
+
+	ddi_put32(cmd->frame_dma_obj.acc_handle,
+	    &initq_info->reply_queue_start_phys_addr_hi, 0);
+	ddi_put32(cmd->frame_dma_obj.acc_handle,
+	    &initq_info->reply_queue_start_phys_addr_lo,
+	    instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 8);
+
+	ddi_put8(cmd->frame_dma_obj.acc_handle,
+	    &init_frame->cmd, MFI_CMD_OP_INIT);
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &init_frame->cmd_status,
+	    MFI_CMD_STATUS_POLL_MODE);
+	ddi_put16(cmd->frame_dma_obj.acc_handle, &init_frame->flags, 0);
+	ddi_put32(cmd->frame_dma_obj.acc_handle,
+	    &init_frame->queue_info_new_phys_addr_lo,
+	    cmd->frame_phys_addr + 64);
+	ddi_put32(cmd->frame_dma_obj.acc_handle,
+	    &init_frame->queue_info_new_phys_addr_hi, 0);
+
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &init_frame->data_xfer_len,
+	    sizeof (struct drsas_init_queue_info));
+
+	cmd->frame_count = 1;
+
+	/* issue the init frame in polled mode */
+	if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) {
+		con_log(CL_ANN, (CE_WARN, "failed to init firmware"));
+		goto fail_fw_init;
+	}
+
+	return_mfi_pkt(instance, cmd);
+	if (drsas_common_check(instance, cmd) != DDI_SUCCESS) {
+		goto fail_fw_init;
+	}
+
+	/* gather misc FW related information */
+	if (!get_ctrl_info(instance, &ctrl_info)) {
+		instance->max_sectors_per_req = ctrl_info.max_request_size;
+		con_log(CL_ANN1, (CE_NOTE, "product name %s ld present %d",
+		    ctrl_info.product_name, ctrl_info.ld_present_count));
+	} else {
+		instance->max_sectors_per_req = instance->max_num_sge *
+		    PAGESIZE / 512;
+	}
+
+	if (drsas_check_acc_handle(instance->regmap_handle) != DDI_SUCCESS) {
+		goto fail_fw_init;
+	}
+
+	return (DDI_SUCCESS);
+
+fail_fw_init:
+fail_alloc_fw_space:
+
+	free_space_for_mfi(instance);
+
+fail_ready_state:
+	ddi_regs_map_free(&instance->regmap_handle);
+
+fail_mfi_reg_setup:
+	return (DDI_FAILURE);
+}
+
+/*
+ * mfi_state_transition_to_ready	: Move the FW to READY state
+ *
+ * @reg_set			: MFI register set
+ */
+static int
+mfi_state_transition_to_ready(struct drsas_instance *instance)
+{
+	int		i;
+	uint8_t		max_wait;
+	uint32_t	fw_ctrl;
+	uint32_t	fw_state;
+	uint32_t	cur_state;
+
+	fw_state =
+	    instance->func_ptr->read_fw_status_reg(instance) & MFI_STATE_MASK;
+	con_log(CL_ANN1, (CE_NOTE,
+	    "mfi_state_transition_to_ready:FW state = 0x%x", fw_state));
+
+	while (fw_state != MFI_STATE_READY) {
+		con_log(CL_ANN, (CE_NOTE,
+		    "mfi_state_transition_to_ready:FW state%x", fw_state));
+
+		switch (fw_state) {
+		case MFI_STATE_FAULT:
+			con_log(CL_ANN, (CE_NOTE,
+			    "dr_sas: FW in FAULT state!!"));
+
+			return (ENODEV);
+		case MFI_STATE_WAIT_HANDSHAKE:
+			/* set the CLR bit in IMR0 */
+			con_log(CL_ANN, (CE_NOTE,
+			    "dr_sas: FW waiting for HANDSHAKE"));
+			/*
+			 * PCI_Hot Plug: MFI F/W requires
+			 * (MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG)
+			 * to be set
+			 */
+			/* WR_IB_MSG_0(MFI_INIT_CLEAR_HANDSHAKE, instance); */
+			WR_IB_DOORBELL(MFI_INIT_CLEAR_HANDSHAKE |
+			    MFI_INIT_HOTPLUG, instance);
+
+			max_wait	= 2;
+			cur_state	= MFI_STATE_WAIT_HANDSHAKE;
+			break;
+		case MFI_STATE_BOOT_MESSAGE_PENDING:
+			/* set the CLR bit in IMR0 */
+			con_log(CL_ANN, (CE_NOTE,
+			    "dr_sas: FW state boot message pending"));
+			/*
+			 * PCI_Hot Plug: MFI F/W requires
+			 * (MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG)
+			 * to be set
+			 */
+			WR_IB_DOORBELL(MFI_INIT_HOTPLUG, instance);
+
+			max_wait	= 10;
+			cur_state	= MFI_STATE_BOOT_MESSAGE_PENDING;
+			break;
+		case MFI_STATE_OPERATIONAL:
+			/* bring it to READY state; assuming max wait 2 secs */
+			instance->func_ptr->disable_intr(instance);
+			con_log(CL_ANN1, (CE_NOTE,
+			    "dr_sas: FW in OPERATIONAL state"));
+			/*
+			 * PCI_Hot Plug: MFI F/W requires
+			 * (MFI_INIT_READY | MFI_INIT_MFIMODE | MFI_INIT_ABORT)
+			 * to be set
+			 */
+			/* WR_IB_DOORBELL(MFI_INIT_READY, instance); */
+			WR_IB_DOORBELL(MFI_RESET_FLAGS, instance);
+
+			max_wait	= 10;
+			cur_state	= MFI_STATE_OPERATIONAL;
+			break;
+		case MFI_STATE_UNDEFINED:
+			/* this state should not last for more than 2 seconds */
+			con_log(CL_ANN, (CE_NOTE, "FW state undefined"));
+
+			max_wait	= 2;
+			cur_state	= MFI_STATE_UNDEFINED;
+			break;
+		case MFI_STATE_BB_INIT:
+			max_wait	= 2;
+			cur_state	= MFI_STATE_BB_INIT;
+			break;
+		case MFI_STATE_FW_INIT:
+			max_wait	= 2;
+			cur_state	= MFI_STATE_FW_INIT;
+			break;
+		case MFI_STATE_DEVICE_SCAN:
+			max_wait	= 10;
+			cur_state	= MFI_STATE_DEVICE_SCAN;
+			break;
+		default:
+			con_log(CL_ANN, (CE_NOTE,
+			    "dr_sas: Unknown state 0x%x", fw_state));
+			return (ENODEV);
+		}
+
+		/* the cur_state should not last for more than max_wait secs */
+		for (i = 0; i < (max_wait * MILLISEC); i++) {
+			/* fw_state = RD_OB_MSG_0(instance) & MFI_STATE_MASK; */
+			fw_state =
+			    instance->func_ptr->read_fw_status_reg(instance) &
+			    MFI_STATE_MASK;
+
+			if (fw_state == cur_state) {
+				delay(1 * drv_usectohz(MILLISEC));
+			} else {
+				break;
+			}
+		}
+
+		/* return error if fw_state hasn't changed after max_wait */
+		if (fw_state == cur_state) {
+			con_log(CL_ANN, (CE_NOTE,
+			    "FW state hasn't changed in %d secs", max_wait));
+			return (ENODEV);
+		}
+	};
+
+	fw_ctrl = RD_IB_DOORBELL(instance);
+
+	con_log(CL_ANN1, (CE_NOTE,
+	    "mfi_state_transition_to_ready:FW ctrl = 0x%x", fw_ctrl));
+
+	/*
+	 * Write 0xF to the doorbell register to do the following.
+	 * - Abort all outstanding commands (bit 0).
+	 * - Transition from OPERATIONAL to READY state (bit 1).
+	 * - Discard (possible) low MFA posted in 64-bit mode (bit-2).
+	 * - Set to release FW to continue running (i.e. BIOS handshake
+	 *   (bit 3).
+	 */
+	WR_IB_DOORBELL(0xF, instance);
+
+	if (drsas_check_acc_handle(instance->regmap_handle) != DDI_SUCCESS) {
+		return (ENODEV);
+	}
+	return (DDI_SUCCESS);
+}
+
+/*
+ * get_seq_num
+ */
+static int
+get_seq_num(struct drsas_instance *instance,
+    struct drsas_evt_log_info *eli)
+{
+	int	ret = DDI_SUCCESS;
+
+	dma_obj_t			dcmd_dma_obj;
+	struct drsas_cmd		*cmd;
+	struct drsas_dcmd_frame		*dcmd;
+
+	cmd = get_mfi_pkt(instance);
+
+	if (!cmd) {
+		cmn_err(CE_WARN, "dr_sas: failed to get a cmd");
+		return (ENOMEM);
+	}
+	/* Clear the frame buffer and assign back the context id */
+	(void) memset((char *)&cmd->frame[0], 0, sizeof (union drsas_frame));
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
+	    cmd->index);
+
+	dcmd	= &cmd->frame->dcmd;
+
+	/* allocate the data transfer buffer */
+	dcmd_dma_obj.size = sizeof (struct drsas_evt_log_info);
+	dcmd_dma_obj.dma_attr = drsas_generic_dma_attr;
+	dcmd_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
+	dcmd_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
+	dcmd_dma_obj.dma_attr.dma_attr_sgllen = 1;
+	dcmd_dma_obj.dma_attr.dma_attr_align = 1;
+
+	if (drsas_alloc_dma_obj(instance, &dcmd_dma_obj,
+	    (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
+		con_log(CL_ANN, (CE_WARN,
+		    "get_seq_num: could not allocate data transfer buffer."));
+		return (DDI_FAILURE);
+	}
+
+	(void) memset(dcmd_dma_obj.buffer, 0,
+	    sizeof (struct drsas_evt_log_info));
+
+	(void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ);
+
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD);
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status, 0);
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 1);
+	ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags,
+	    MFI_FRAME_DIR_READ);
+	ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0);
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len,
+	    sizeof (struct drsas_evt_log_info));
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode,
+	    DR_DCMD_CTRL_EVENT_GET_INFO);
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].length,
+	    sizeof (struct drsas_evt_log_info));
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].phys_addr,
+	    dcmd_dma_obj.dma_cookie[0].dmac_address);
+
+	cmd->sync_cmd = DRSAS_TRUE;
+	cmd->frame_count = 1;
+
+	if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
+		cmn_err(CE_WARN, "get_seq_num: "
+		    "failed to issue DRSAS_DCMD_CTRL_EVENT_GET_INFO");
+		ret = DDI_FAILURE;
+	} else {
+		/* copy the data back into callers buffer */
+		ddi_rep_get8(cmd->frame_dma_obj.acc_handle, (uint8_t *)eli,
+		    (uint8_t *)dcmd_dma_obj.buffer,
+		    sizeof (struct drsas_evt_log_info), DDI_DEV_AUTOINCR);
+		ret = DDI_SUCCESS;
+	}
+
+	if (drsas_free_dma_obj(instance, dcmd_dma_obj) != DDI_SUCCESS)
+		ret = DDI_FAILURE;
+
+	return_mfi_pkt(instance, cmd);
+	if (drsas_common_check(instance, cmd) != DDI_SUCCESS) {
+		ret = DDI_FAILURE;
+	}
+	return (ret);
+}
+
+/*
+ * start_mfi_aen
+ */
+static int
+start_mfi_aen(struct drsas_instance *instance)
+{
+	int	ret = 0;
+
+	struct drsas_evt_log_info	eli;
+	union drsas_evt_class_locale	class_locale;
+
+	/* get the latest sequence number from FW */
+	(void) memset(&eli, 0, sizeof (struct drsas_evt_log_info));
+
+	if (get_seq_num(instance, &eli)) {
+		cmn_err(CE_WARN, "start_mfi_aen: failed to get seq num");
+		return (-1);
+	}
+
+	/* register AEN with FW for latest sequence number plus 1 */
+	class_locale.members.reserved	= 0;
+	class_locale.members.locale	= DR_EVT_LOCALE_ALL;
+	class_locale.members.class	= DR_EVT_CLASS_INFO;
+	ret = register_mfi_aen(instance, eli.newest_seq_num + 1,
+	    class_locale.word);
+
+	if (ret) {
+		cmn_err(CE_WARN, "start_mfi_aen: aen registration failed");
+		return (-1);
+	}
+
+	return (ret);
+}
+
+/*
+ * flush_cache
+ */
+static void
+flush_cache(struct drsas_instance *instance)
+{
+	struct drsas_cmd		*cmd = NULL;
+	struct drsas_dcmd_frame		*dcmd;
+	uint32_t	max_cmd = instance->max_fw_cmds;
+
+	cmd = instance->cmd_list[max_cmd];
+
+	if (cmd == NULL)
+		return;
+
+	dcmd = &cmd->frame->dcmd;
+
+	(void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ);
+
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD);
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status, 0x0);
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 0);
+	ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags,
+	    MFI_FRAME_DIR_NONE);
+	ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0);
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len, 0);
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode,
+	    DR_DCMD_CTRL_CACHE_FLUSH);
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->mbox.b[0],
+	    DR_FLUSH_CTRL_CACHE | DR_FLUSH_DISK_CACHE);
+
+	cmd->frame_count = 1;
+
+	if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) {
+		con_log(CL_ANN1, (CE_WARN,
+	    "flush_cache: failed to issue MFI_DCMD_CTRL_CACHE_FLUSH"));
+	}
+	con_log(CL_DLEVEL1, (CE_NOTE, "done"));
+}
+
+/*
+ * service_mfi_aen-	Completes an AEN command
+ * @instance:			Adapter soft state
+ * @cmd:			Command to be completed
+ *
+ */
+static void
+service_mfi_aen(struct drsas_instance *instance, struct drsas_cmd *cmd)
+{
+	uint32_t	seq_num;
+	struct drsas_evt_detail *evt_detail =
+	    (struct drsas_evt_detail *)instance->mfi_evt_detail_obj.buffer;
+	int		rval = 0;
+	int		tgt = 0;
+	ddi_acc_handle_t		acc_handle;
+
+	acc_handle = cmd->frame_dma_obj.acc_handle;
+
+	cmd->cmd_status = ddi_get8(acc_handle, &cmd->frame->io.cmd_status);
+
+	if (cmd->cmd_status == ENODATA) {
+		cmd->cmd_status = 0;
+	}
+
+	/*
+	 * log the MFI AEN event to the sysevent queue so that
+	 * application will get noticed
+	 */
+	if (ddi_log_sysevent(instance->dip, DDI_VENDOR_LSI, "LSIMEGA", "SAS",
+	    NULL, NULL, DDI_NOSLEEP) != DDI_SUCCESS) {
+		int	instance_no = ddi_get_instance(instance->dip);
+		con_log(CL_ANN, (CE_WARN,
+		    "dr_sas%d: Failed to log AEN event", instance_no));
+	}
+	/*
+	 * Check for any ld devices that has changed state. i.e. online
+	 * or offline.
+	 */
+	con_log(CL_ANN1, (CE_NOTE,
+	    "AEN: code = %x class = %x locale = %x args = %x",
+	    ddi_get32(acc_handle, &evt_detail->code),
+	    evt_detail->cl.members.class,
+	    ddi_get16(acc_handle, &evt_detail->cl.members.locale),
+	    ddi_get8(acc_handle, &evt_detail->arg_type)));
+
+	switch (ddi_get32(acc_handle, &evt_detail->code)) {
+	case DR_EVT_CFG_CLEARED: {
+		for (tgt = 0; tgt < MRDRV_MAX_LD; tgt++) {
+			if (instance->dr_ld_list[tgt].dip != NULL) {
+				rval = drsas_service_evt(instance, tgt, 0,
+				    DRSAS_EVT_UNCONFIG_TGT, NULL);
+				con_log(CL_ANN1, (CE_WARN,
+				    "dr_sas: CFG CLEARED AEN rval = %d "
+				    "tgt id = %d", rval, tgt));
+			}
+		}
+		break;
+	}
+
+	case DR_EVT_LD_DELETED: {
+		rval = drsas_service_evt(instance,
+		    ddi_get16(acc_handle, &evt_detail->args.ld.target_id), 0,
+		    DRSAS_EVT_UNCONFIG_TGT, NULL);
+		con_log(CL_ANN1, (CE_WARN, "dr_sas: LD DELETED AEN rval = %d "
+		    "tgt id = %d index = %d", rval,
+		    ddi_get16(acc_handle, &evt_detail->args.ld.target_id),
+		    ddi_get8(acc_handle, &evt_detail->args.ld.ld_index)));
+		break;
+	} /* End of DR_EVT_LD_DELETED */
+
+	case DR_EVT_LD_CREATED: {
+		rval = drsas_service_evt(instance,
+		    ddi_get16(acc_handle, &evt_detail->args.ld.target_id), 0,
+		    DRSAS_EVT_CONFIG_TGT, NULL);
+		con_log(CL_ANN1, (CE_WARN, "dr_sas: LD CREATED AEN rval = %d "
+		    "tgt id = %d index = %d", rval,
+		    ddi_get16(acc_handle, &evt_detail->args.ld.target_id),
+		    ddi_get8(acc_handle, &evt_detail->args.ld.ld_index)));
+		break;
+	} /* End of DR_EVT_LD_CREATED */
+	} /* End of Main Switch */
+
+	/* get copy of seq_num and class/locale for re-registration */
+	seq_num = ddi_get32(acc_handle, &evt_detail->seq_num);
+	seq_num++;
+	(void) memset(instance->mfi_evt_detail_obj.buffer, 0,
+	    sizeof (struct drsas_evt_detail));
+
+	ddi_put8(acc_handle, &cmd->frame->dcmd.cmd_status, 0x0);
+	ddi_put32(acc_handle, &cmd->frame->dcmd.mbox.w[0], seq_num);
+
+	instance->aen_seq_num = seq_num;
+
+	cmd->frame_count = 1;
+
+	/* Issue the aen registration frame */
+	instance->func_ptr->issue_cmd(cmd, instance);
+}
+
+/*
+ * complete_cmd_in_sync_mode -	Completes an internal command
+ * @instance:			Adapter soft state
+ * @cmd:			Command to be completed
+ *
+ * The issue_cmd_in_sync_mode() function waits for a command to complete
+ * after it issues a command. This function wakes up that waiting routine by
+ * calling wake_up() on the wait queue.
+ */
+static void
+complete_cmd_in_sync_mode(struct drsas_instance *instance,
+    struct drsas_cmd *cmd)
+{
+	cmd->cmd_status = ddi_get8(cmd->frame_dma_obj.acc_handle,
+	    &cmd->frame->io.cmd_status);
+
+	cmd->sync_cmd = DRSAS_FALSE;
+
+	if (cmd->cmd_status == ENODATA) {
+		cmd->cmd_status = 0;
+	}
+
+	cv_broadcast(&instance->int_cmd_cv);
+}
+
+/*
+ * drsas_softintr - The Software ISR
+ * @param arg	: HBA soft state
+ *
+ * called from high-level interrupt if hi-level interrupt are not there,
+ * otherwise triggered as a soft interrupt
+ */
+static uint_t
+drsas_softintr(struct drsas_instance *instance)
+{
+	struct scsi_pkt		*pkt;
+	struct scsa_cmd		*acmd;
+	struct drsas_cmd	*cmd;
+	struct mlist_head	*pos, *next;
+	mlist_t			process_list;
+	struct drsas_header	*hdr;
+	struct scsi_arq_status	*arqstat;
+
+	con_log(CL_ANN1, (CE_CONT, "drsas_softintr called"));
+
+	ASSERT(instance);
+	mutex_enter(&instance->completed_pool_mtx);
+
+	if (mlist_empty(&instance->completed_pool_list)) {
+		mutex_exit(&instance->completed_pool_mtx);
+		return (DDI_INTR_UNCLAIMED);
+	}
+
+	instance->softint_running = 1;
+
+	INIT_LIST_HEAD(&process_list);
+	mlist_splice(&instance->completed_pool_list, &process_list);
+	INIT_LIST_HEAD(&instance->completed_pool_list);
+
+	mutex_exit(&instance->completed_pool_mtx);
+
+	/* perform all callbacks first, before releasing the SCBs */
+	mlist_for_each_safe(pos, next, &process_list) {
+		cmd = mlist_entry(pos, struct drsas_cmd, list);
+
+		/* syncronize the Cmd frame for the controller */
+		(void) ddi_dma_sync(cmd->frame_dma_obj.dma_handle,
+		    0, 0, DDI_DMA_SYNC_FORCPU);
+
+		if (drsas_check_dma_handle(cmd->frame_dma_obj.dma_handle) !=
+		    DDI_SUCCESS) {
+			drsas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE);
+			ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
+			return (DDI_INTR_UNCLAIMED);
+		}
+
+		hdr = &cmd->frame->hdr;
+
+		/* remove the internal command from the process list */
+		mlist_del_init(&cmd->list);
+
+		switch (ddi_get8(cmd->frame_dma_obj.acc_handle, &hdr->cmd)) {
+		case MFI_CMD_OP_PD_SCSI:
+		case MFI_CMD_OP_LD_SCSI:
+		case MFI_CMD_OP_LD_READ:
+		case MFI_CMD_OP_LD_WRITE:
+			/*
+			 * MFI_CMD_OP_PD_SCSI and MFI_CMD_OP_LD_SCSI
+			 * could have been issued either through an
+			 * IO path or an IOCTL path. If it was via IOCTL,
+			 * we will send it to internal completion.
+			 */
+			if (cmd->sync_cmd == DRSAS_TRUE) {
+				complete_cmd_in_sync_mode(instance, cmd);
+				break;
+			}
+
+			/* regular commands */
+			acmd =	cmd->cmd;
+			pkt =	CMD2PKT(acmd);
+
+			if (acmd->cmd_flags & CFLAG_DMAVALID) {
+				if (acmd->cmd_flags & CFLAG_CONSISTENT) {
+					(void) ddi_dma_sync(acmd->cmd_dmahandle,
+					    acmd->cmd_dma_offset,
+					    acmd->cmd_dma_len,
+					    DDI_DMA_SYNC_FORCPU);
+				}
+			}
+
+			pkt->pkt_reason		= CMD_CMPLT;
+			pkt->pkt_statistics	= 0;
+			pkt->pkt_state = STATE_GOT_BUS
+			    | STATE_GOT_TARGET | STATE_SENT_CMD
+			    | STATE_XFERRED_DATA | STATE_GOT_STATUS;
+
+			con_log(CL_ANN1, (CE_CONT,
+			    "CDB[0] = %x completed for %s: size %lx context %x",
+			    pkt->pkt_cdbp[0], ((acmd->islogical) ? "LD" : "PD"),
+			    acmd->cmd_dmacount, hdr->context));
+
+			if (pkt->pkt_cdbp[0] == SCMD_INQUIRY) {
+				struct scsi_inquiry	*inq;
+
+				if (acmd->cmd_dmacount != 0) {
+					bp_mapin(acmd->cmd_buf);
+					inq = (struct scsi_inquiry *)
+					    acmd->cmd_buf->b_un.b_addr;
+
+					/* don't expose physical drives to OS */
+					if (acmd->islogical &&
+					    (hdr->cmd_status == MFI_STAT_OK)) {
+						display_scsi_inquiry(
+						    (caddr_t)inq);
+					} else if ((hdr->cmd_status ==
+					    MFI_STAT_OK) && inq->inq_dtype ==
+					    DTYPE_DIRECT) {
+
+						display_scsi_inquiry(
+						    (caddr_t)inq);
+
+						/* for physical disk */
+						hdr->cmd_status =
+						    MFI_STAT_DEVICE_NOT_FOUND;
+					}
+				}
+			}
+
+			switch (hdr->cmd_status) {
+			case MFI_STAT_OK:
+				pkt->pkt_scbp[0] = STATUS_GOOD;
+				break;
+			case MFI_STAT_LD_CC_IN_PROGRESS:
+			case MFI_STAT_LD_RECON_IN_PROGRESS:
+				pkt->pkt_scbp[0] = STATUS_GOOD;
+				break;
+			case MFI_STAT_LD_INIT_IN_PROGRESS:
+				con_log(CL_ANN,
+				    (CE_WARN, "Initialization in Progress"));
+				pkt->pkt_reason	= CMD_TRAN_ERR;
+
+				break;
+			case MFI_STAT_SCSI_DONE_WITH_ERROR:
+				con_log(CL_ANN1, (CE_CONT, "scsi_done error"));
+
+				pkt->pkt_reason	= CMD_CMPLT;
+				((struct scsi_status *)
+				    pkt->pkt_scbp)->sts_chk = 1;
+
+				if (pkt->pkt_cdbp[0] == SCMD_TEST_UNIT_READY) {
+
+					con_log(CL_ANN,
+					    (CE_WARN, "TEST_UNIT_READY fail"));
+
+				} else {
+					pkt->pkt_state |= STATE_ARQ_DONE;
+					arqstat = (void *)(pkt->pkt_scbp);
+					arqstat->sts_rqpkt_reason = CMD_CMPLT;
+					arqstat->sts_rqpkt_resid = 0;
+					arqstat->sts_rqpkt_state |=
+					    STATE_GOT_BUS | STATE_GOT_TARGET
+					    | STATE_SENT_CMD
+					    | STATE_XFERRED_DATA;
+					*(uint8_t *)&arqstat->sts_rqpkt_status =
+					    STATUS_GOOD;
+					ddi_rep_get8(
+					    cmd->frame_dma_obj.acc_handle,
+					    (uint8_t *)
+					    &(arqstat->sts_sensedata),
+					    cmd->sense,
+					    acmd->cmd_scblen -
+					    offsetof(struct scsi_arq_status,
+					    sts_sensedata), DDI_DEV_AUTOINCR);
+				}
+				break;
+			case MFI_STAT_LD_OFFLINE:
+			case MFI_STAT_DEVICE_NOT_FOUND:
+				con_log(CL_ANN1, (CE_CONT,
+				    "device not found error"));
+				pkt->pkt_reason	= CMD_DEV_GONE;
+				pkt->pkt_statistics  = STAT_DISCON;
+				break;
+			case MFI_STAT_LD_LBA_OUT_OF_RANGE:
+				pkt->pkt_state |= STATE_ARQ_DONE;
+				pkt->pkt_reason	= CMD_CMPLT;
+				((struct scsi_status *)
+				    pkt->pkt_scbp)->sts_chk = 1;
+
+				arqstat = (void *)(pkt->pkt_scbp);
+				arqstat->sts_rqpkt_reason = CMD_CMPLT;
+				arqstat->sts_rqpkt_resid = 0;
+				arqstat->sts_rqpkt_state |= STATE_GOT_BUS
+				    | STATE_GOT_TARGET | STATE_SENT_CMD
+				    | STATE_XFERRED_DATA;
+				*(uint8_t *)&arqstat->sts_rqpkt_status =
+				    STATUS_GOOD;
+
+				arqstat->sts_sensedata.es_valid = 1;
+				arqstat->sts_sensedata.es_key =
+				    KEY_ILLEGAL_REQUEST;
+				arqstat->sts_sensedata.es_class =
+				    CLASS_EXTENDED_SENSE;
+
+				/*
+				 * LOGICAL BLOCK ADDRESS OUT OF RANGE:
+				 * ASC: 0x21h; ASCQ: 0x00h;
+				 */
+				arqstat->sts_sensedata.es_add_code = 0x21;
+				arqstat->sts_sensedata.es_qual_code = 0x00;
+
+				break;
+
+			default:
+				con_log(CL_ANN, (CE_CONT, "Unknown status!"));
+				pkt->pkt_reason	= CMD_TRAN_ERR;
+
+				break;
+			}
+
+			atomic_add_16(&instance->fw_outstanding, (-1));
+
+			return_mfi_pkt(instance, cmd);
+
+			(void) drsas_common_check(instance, cmd);
+
+			if (acmd->cmd_dmahandle) {
+				if (drsas_check_dma_handle(
+				    acmd->cmd_dmahandle) != DDI_SUCCESS) {
+					ddi_fm_service_impact(instance->dip,
+					    DDI_SERVICE_UNAFFECTED);
+					pkt->pkt_reason = CMD_TRAN_ERR;
+					pkt->pkt_statistics = 0;
+				}
+			}
+
+			/* Call the callback routine */
+			if (((pkt->pkt_flags & FLAG_NOINTR) == 0) &&
+			    pkt->pkt_comp) {
+				(*pkt->pkt_comp)(pkt);
+			}
+
+			break;
+		case MFI_CMD_OP_SMP:
+		case MFI_CMD_OP_STP:
+			complete_cmd_in_sync_mode(instance, cmd);
+			break;
+		case MFI_CMD_OP_DCMD:
+			/* see if got an event notification */
+			if (ddi_get32(cmd->frame_dma_obj.acc_handle,
+			    &cmd->frame->dcmd.opcode) ==
+			    DR_DCMD_CTRL_EVENT_WAIT) {
+				if ((instance->aen_cmd == cmd) &&
+				    (instance->aen_cmd->abort_aen)) {
+					con_log(CL_ANN, (CE_WARN,
+					    "drsas_softintr: "
+					    "aborted_aen returned"));
+				} else {
+					atomic_add_16(&instance->fw_outstanding,
+					    (-1));
+					service_mfi_aen(instance, cmd);
+				}
+			} else {
+				complete_cmd_in_sync_mode(instance, cmd);
+			}
+
+			break;
+		case MFI_CMD_OP_ABORT:
+			con_log(CL_ANN, (CE_WARN, "MFI_CMD_OP_ABORT complete"));
+			/*
+			 * MFI_CMD_OP_ABORT successfully completed
+			 * in the synchronous mode
+			 */
+			complete_cmd_in_sync_mode(instance, cmd);
+			break;
+		default:
+			drsas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE);
+			ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
+
+			if (cmd->pkt != NULL) {
+				pkt = cmd->pkt;
+				if (((pkt->pkt_flags & FLAG_NOINTR) == 0) &&
+				    pkt->pkt_comp) {
+					(*pkt->pkt_comp)(pkt);
+				}
+			}
+			con_log(CL_ANN, (CE_WARN, "Cmd type unknown !"));
+			break;
+		}
+	}
+
+	instance->softint_running = 0;
+
+	return (DDI_INTR_CLAIMED);
+}
+
+/*
+ * drsas_alloc_dma_obj
+ *
+ * Allocate the memory and other resources for an dma object.
+ */
+static int
+drsas_alloc_dma_obj(struct drsas_instance *instance, dma_obj_t *obj,
+    uchar_t endian_flags)
+{
+	int	i;
+	size_t	alen = 0;
+	uint_t	cookie_cnt;
+	struct ddi_device_acc_attr tmp_endian_attr;
+
+	tmp_endian_attr = endian_attr;
+	tmp_endian_attr.devacc_attr_endian_flags = endian_flags;
+
+	i = ddi_dma_alloc_handle(instance->dip, &obj->dma_attr,
+	    DDI_DMA_SLEEP, NULL, &obj->dma_handle);
+	if (i != DDI_SUCCESS) {
+
+		switch (i) {
+			case DDI_DMA_BADATTR :
+				con_log(CL_ANN, (CE_WARN,
+				"Failed ddi_dma_alloc_handle- Bad attribute"));
+				break;
+			case DDI_DMA_NORESOURCES :
+				con_log(CL_ANN, (CE_WARN,
+				"Failed ddi_dma_alloc_handle- No Resources"));
+				break;
+			default :
+				con_log(CL_ANN, (CE_WARN,
+				"Failed ddi_dma_alloc_handle: "
+				"unknown status %d", i));
+				break;
+		}
+
+		return (-1);
+	}
+
+	if ((ddi_dma_mem_alloc(obj->dma_handle, obj->size, &tmp_endian_attr,
+	    DDI_DMA_RDWR | DDI_DMA_STREAMING, DDI_DMA_SLEEP, NULL,
+	    &obj->buffer, &alen, &obj->acc_handle) != DDI_SUCCESS) ||
+	    alen < obj->size) {
+
+		ddi_dma_free_handle(&obj->dma_handle);
+
+		con_log(CL_ANN, (CE_WARN, "Failed : ddi_dma_mem_alloc"));
+
+		return (-1);
+	}
+
+	if (ddi_dma_addr_bind_handle(obj->dma_handle, NULL, obj->buffer,
+	    obj->size, DDI_DMA_RDWR | DDI_DMA_STREAMING, DDI_DMA_SLEEP,
+	    NULL, &obj->dma_cookie[0], &cookie_cnt) != DDI_SUCCESS) {
+
+		ddi_dma_mem_free(&obj->acc_handle);
+		ddi_dma_free_handle(&obj->dma_handle);
+
+		con_log(CL_ANN, (CE_WARN, "Failed : ddi_dma_addr_bind_handle"));
+
+		return (-1);
+	}
+
+	if (drsas_check_dma_handle(obj->dma_handle) != DDI_SUCCESS) {
+		ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
+		return (-1);
+	}
+
+	if (drsas_check_acc_handle(obj->acc_handle) != DDI_SUCCESS) {
+		ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
+		return (-1);
+	}
+
+	return (cookie_cnt);
+}
+
+/*
+ * drsas_free_dma_obj(struct drsas_instance *, dma_obj_t)
+ *
+ * De-allocate the memory and other resources for an dma object, which must
+ * have been alloated by a previous call to drsas_alloc_dma_obj()
+ */
+static int
+drsas_free_dma_obj(struct drsas_instance *instance, dma_obj_t obj)
+{
+
+	if (drsas_check_dma_handle(obj.dma_handle) != DDI_SUCCESS) {
+		ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED);
+		return (DDI_FAILURE);
+	}
+
+	if (drsas_check_acc_handle(obj.acc_handle) != DDI_SUCCESS) {
+		ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED);
+		return (DDI_FAILURE);
+	}
+
+	(void) ddi_dma_unbind_handle(obj.dma_handle);
+	ddi_dma_mem_free(&obj.acc_handle);
+	ddi_dma_free_handle(&obj.dma_handle);
+
+	return (DDI_SUCCESS);
+}
+
+/*
+ * drsas_dma_alloc(instance_t *, struct scsi_pkt *, struct buf *,
+ * int, int (*)())
+ *
+ * Allocate dma resources for a new scsi command
+ */
+static int
+drsas_dma_alloc(struct drsas_instance *instance, struct scsi_pkt *pkt,
+    struct buf *bp, int flags, int (*callback)())
+{
+	int	dma_flags;
+	int	(*cb)(caddr_t);
+	int	i;
+
+	ddi_dma_attr_t	tmp_dma_attr = drsas_generic_dma_attr;
+	struct scsa_cmd	*acmd = PKT2CMD(pkt);
+
+	acmd->cmd_buf = bp;
+
+	if (bp->b_flags & B_READ) {
+		acmd->cmd_flags &= ~CFLAG_DMASEND;
+		dma_flags = DDI_DMA_READ;
+	} else {
+		acmd->cmd_flags |= CFLAG_DMASEND;
+		dma_flags = DDI_DMA_WRITE;
+	}
+
+	if (flags & PKT_CONSISTENT) {
+		acmd->cmd_flags |= CFLAG_CONSISTENT;
+		dma_flags |= DDI_DMA_CONSISTENT;
+	}
+
+	if (flags & PKT_DMA_PARTIAL) {
+		dma_flags |= DDI_DMA_PARTIAL;
+	}
+
+	dma_flags |= DDI_DMA_REDZONE;
+
+	cb = (callback == NULL_FUNC) ? DDI_DMA_DONTWAIT : DDI_DMA_SLEEP;
+
+	tmp_dma_attr.dma_attr_sgllen = instance->max_num_sge;
+	tmp_dma_attr.dma_attr_addr_hi = 0xffffffffffffffffull;
+
+	if ((i = ddi_dma_alloc_handle(instance->dip, &tmp_dma_attr,
+	    cb, 0, &acmd->cmd_dmahandle)) != DDI_SUCCESS) {
+		switch (i) {
+		case DDI_DMA_BADATTR:
+			bioerror(bp, EFAULT);
+			return (DDI_FAILURE);
+
+		case DDI_DMA_NORESOURCES:
+			bioerror(bp, 0);
+			return (DDI_FAILURE);
+
+		default:
+			con_log(CL_ANN, (CE_PANIC, "ddi_dma_alloc_handle: "
+			    "impossible result (0x%x)", i));
+			bioerror(bp, EFAULT);
+			return (DDI_FAILURE);
+		}
+	}
+
+	i = ddi_dma_buf_bind_handle(acmd->cmd_dmahandle, bp, dma_flags,
+	    cb, 0, &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies);
+
+	switch (i) {
+	case DDI_DMA_PARTIAL_MAP:
+		if ((dma_flags & DDI_DMA_PARTIAL) == 0) {
+			con_log(CL_ANN, (CE_PANIC, "ddi_dma_buf_bind_handle: "
+			    "DDI_DMA_PARTIAL_MAP impossible"));
+			goto no_dma_cookies;
+		}
+
+		if (ddi_dma_numwin(acmd->cmd_dmahandle, &acmd->cmd_nwin) ==
+		    DDI_FAILURE) {
+			con_log(CL_ANN, (CE_PANIC, "ddi_dma_numwin failed"));
+			goto no_dma_cookies;
+		}
+
+		if (ddi_dma_getwin(acmd->cmd_dmahandle, acmd->cmd_curwin,
+		    &acmd->cmd_dma_offset, &acmd->cmd_dma_len,
+		    &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies) ==
+		    DDI_FAILURE) {
+
+			con_log(CL_ANN, (CE_PANIC, "ddi_dma_getwin failed"));
+			goto no_dma_cookies;
+		}
+
+		goto get_dma_cookies;
+	case DDI_DMA_MAPPED:
+		acmd->cmd_nwin = 1;
+		acmd->cmd_dma_len = 0;
+		acmd->cmd_dma_offset = 0;
+
+get_dma_cookies:
+		i = 0;
+		acmd->cmd_dmacount = 0;
+		for (;;) {
+			acmd->cmd_dmacount +=
+			    acmd->cmd_dmacookies[i++].dmac_size;
+
+			if (i == instance->max_num_sge ||
+			    i == acmd->cmd_ncookies)
+				break;
+
+			ddi_dma_nextcookie(acmd->cmd_dmahandle,
+			    &acmd->cmd_dmacookies[i]);
+		}
+
+		acmd->cmd_cookie = i;
+		acmd->cmd_cookiecnt = i;
+
+		acmd->cmd_flags |= CFLAG_DMAVALID;
+
+		if (bp->b_bcount >= acmd->cmd_dmacount) {
+			pkt->pkt_resid = bp->b_bcount - acmd->cmd_dmacount;
+		} else {
+			pkt->pkt_resid = 0;
+		}
+
+		return (DDI_SUCCESS);
+	case DDI_DMA_NORESOURCES:
+		bioerror(bp, 0);
+		break;
+	case DDI_DMA_NOMAPPING:
+		bioerror(bp, EFAULT);
+		break;
+	case DDI_DMA_TOOBIG:
+		bioerror(bp, EINVAL);
+		break;
+	case DDI_DMA_INUSE:
+		con_log(CL_ANN, (CE_PANIC, "ddi_dma_buf_bind_handle:"
+		    " DDI_DMA_INUSE impossible"));
+		break;
+	default:
+		con_log(CL_ANN, (CE_PANIC, "ddi_dma_buf_bind_handle: "
+		    "impossible result (0x%x)", i));
+		break;
+	}
+
+no_dma_cookies:
+	ddi_dma_free_handle(&acmd->cmd_dmahandle);
+	acmd->cmd_dmahandle = NULL;
+	acmd->cmd_flags &= ~CFLAG_DMAVALID;
+	return (DDI_FAILURE);
+}
+
+/*
+ * drsas_dma_move(struct drsas_instance *, struct scsi_pkt *, struct buf *)
+ *
+ * move dma resources to next dma window
+ *
+ */
+static int
+drsas_dma_move(struct drsas_instance *instance, struct scsi_pkt *pkt,
+    struct buf *bp)
+{
+	int	i = 0;
+
+	struct scsa_cmd	*acmd = PKT2CMD(pkt);
+
+	/*
+	 * If there are no more cookies remaining in this window,
+	 * must move to the next window first.
+	 */
+	if (acmd->cmd_cookie == acmd->cmd_ncookies) {
+		if (acmd->cmd_curwin == acmd->cmd_nwin && acmd->cmd_nwin == 1) {
+			return (DDI_SUCCESS);
+		}
+
+		/* at last window, cannot move */
+		if (++acmd->cmd_curwin >= acmd->cmd_nwin) {
+			return (DDI_FAILURE);
+		}
+
+		if (ddi_dma_getwin(acmd->cmd_dmahandle, acmd->cmd_curwin,
+		    &acmd->cmd_dma_offset, &acmd->cmd_dma_len,
+		    &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies) ==
+		    DDI_FAILURE) {
+			return (DDI_FAILURE);
+		}
+
+		acmd->cmd_cookie = 0;
+	} else {
+		/* still more cookies in this window - get the next one */
+		ddi_dma_nextcookie(acmd->cmd_dmahandle,
+		    &acmd->cmd_dmacookies[0]);
+	}
+
+	/* get remaining cookies in this window, up to our maximum */
+	for (;;) {
+		acmd->cmd_dmacount += acmd->cmd_dmacookies[i++].dmac_size;
+		acmd->cmd_cookie++;
+
+		if (i == instance->max_num_sge ||
+		    acmd->cmd_cookie == acmd->cmd_ncookies) {
+			break;
+		}
+
+		ddi_dma_nextcookie(acmd->cmd_dmahandle,
+		    &acmd->cmd_dmacookies[i]);
+	}
+
+	acmd->cmd_cookiecnt = i;
+
+	if (bp->b_bcount >= acmd->cmd_dmacount) {
+		pkt->pkt_resid = bp->b_bcount - acmd->cmd_dmacount;
+	} else {
+		pkt->pkt_resid = 0;
+	}
+
+	return (DDI_SUCCESS);
+}
+
+/*
+ * build_cmd
+ */
+static struct drsas_cmd *
+build_cmd(struct drsas_instance *instance, struct scsi_address *ap,
+    struct scsi_pkt *pkt, uchar_t *cmd_done)
+{
+	uint16_t	flags = 0;
+	uint32_t	i;
+	uint32_t 	context;
+	uint32_t	sge_bytes;
+	ddi_acc_handle_t acc_handle;
+	struct drsas_cmd		*cmd;
+	struct drsas_sge64		*mfi_sgl;
+	struct scsa_cmd			*acmd = PKT2CMD(pkt);
+	struct drsas_pthru_frame 	*pthru;
+	struct drsas_io_frame		*ldio;
+
+	/* find out if this is logical or physical drive command.  */
+	acmd->islogical = MRDRV_IS_LOGICAL(ap);
+	acmd->device_id = MAP_DEVICE_ID(instance, ap);
+	*cmd_done = 0;
+
+	/* get the command packet */
+	if (!(cmd = get_mfi_pkt(instance))) {
+		return (NULL);
+	}
+
+	acc_handle = cmd->frame_dma_obj.acc_handle;
+
+	/* Clear the frame buffer and assign back the context id */
+	(void) memset((char *)&cmd->frame[0], 0, sizeof (union drsas_frame));
+	ddi_put32(acc_handle, &cmd->frame->hdr.context, cmd->index);
+
+	cmd->pkt = pkt;
+	cmd->cmd = acmd;
+
+	/* lets get the command directions */
+	if (acmd->cmd_flags & CFLAG_DMASEND) {
+		flags = MFI_FRAME_DIR_WRITE;
+
+		if (acmd->cmd_flags & CFLAG_CONSISTENT) {
+			(void) ddi_dma_sync(acmd->cmd_dmahandle,
+			    acmd->cmd_dma_offset, acmd->cmd_dma_len,
+			    DDI_DMA_SYNC_FORDEV);
+		}
+	} else if (acmd->cmd_flags & ~CFLAG_DMASEND) {
+		flags = MFI_FRAME_DIR_READ;
+
+		if (acmd->cmd_flags & CFLAG_CONSISTENT) {
+			(void) ddi_dma_sync(acmd->cmd_dmahandle,
+			    acmd->cmd_dma_offset, acmd->cmd_dma_len,
+			    DDI_DMA_SYNC_FORCPU);
+		}
+	} else {
+		flags = MFI_FRAME_DIR_NONE;
+	}
+
+	flags |= MFI_FRAME_SGL64;
+
+	switch (pkt->pkt_cdbp[0]) {
+
+	/*
+	 * case SCMD_SYNCHRONIZE_CACHE:
+	 * 	flush_cache(instance);
+	 *	return_mfi_pkt(instance, cmd);
+	 *	*cmd_done = 1;
+	 *
+	 *	return (NULL);
+	 */
+
+	case SCMD_READ:
+	case SCMD_WRITE:
+	case SCMD_READ_G1:
+	case SCMD_WRITE_G1:
+		if (acmd->islogical) {
+			ldio = (struct drsas_io_frame *)cmd->frame;
+
+			/*
+			 * preare the Logical IO frame:
+			 * 2nd bit is zero for all read cmds
+			 */
+			ddi_put8(acc_handle, &ldio->cmd,
+			    (pkt->pkt_cdbp[0] & 0x02) ? MFI_CMD_OP_LD_WRITE
+			    : MFI_CMD_OP_LD_READ);
+			ddi_put8(acc_handle, &ldio->cmd_status, 0x0);
+			ddi_put8(acc_handle, &ldio->scsi_status, 0x0);
+			ddi_put8(acc_handle, &ldio->target_id, acmd->device_id);
+			ddi_put16(acc_handle, &ldio->timeout, 0);
+			ddi_put8(acc_handle, &ldio->reserved_0, 0);
+			ddi_put16(acc_handle, &ldio->pad_0, 0);
+			ddi_put16(acc_handle, &ldio->flags, flags);
+
+			/* Initialize sense Information */
+			bzero(cmd->sense, SENSE_LENGTH);
+			ddi_put8(acc_handle, &ldio->sense_len, SENSE_LENGTH);
+			ddi_put32(acc_handle, &ldio->sense_buf_phys_addr_hi, 0);
+			ddi_put32(acc_handle, &ldio->sense_buf_phys_addr_lo,
+			    cmd->sense_phys_addr);
+			ddi_put32(acc_handle, &ldio->start_lba_hi, 0);
+			ddi_put8(acc_handle, &ldio->access_byte,
+			    (acmd->cmd_cdblen != 6) ? pkt->pkt_cdbp[1] : 0);
+			ddi_put8(acc_handle, &ldio->sge_count,
+			    acmd->cmd_cookiecnt);
+			mfi_sgl = (struct drsas_sge64	*)&ldio->sgl;
+
+			context = ddi_get32(acc_handle, &ldio->context);
+
+			if (acmd->cmd_cdblen == CDB_GROUP0) {
+				ddi_put32(acc_handle, &ldio->lba_count, (
+				    (uint16_t)(pkt->pkt_cdbp[4])));
+
+				ddi_put32(acc_handle, &ldio->start_lba_lo, (
+				    ((uint32_t)(pkt->pkt_cdbp[3])) |
+				    ((uint32_t)(pkt->pkt_cdbp[2]) << 8) |
+				    ((uint32_t)((pkt->pkt_cdbp[1]) & 0x1F)
+				    << 16)));
+			} else if (acmd->cmd_cdblen == CDB_GROUP1) {
+				ddi_put32(acc_handle, &ldio->lba_count, (
+				    ((uint16_t)(pkt->pkt_cdbp[8])) |
+				    ((uint16_t)(pkt->pkt_cdbp[7]) << 8)));
+
+				ddi_put32(acc_handle, &ldio->start_lba_lo, (
+				    ((uint32_t)(pkt->pkt_cdbp[5])) |
+				    ((uint32_t)(pkt->pkt_cdbp[4]) << 8) |
+				    ((uint32_t)(pkt->pkt_cdbp[3]) << 16) |
+				    ((uint32_t)(pkt->pkt_cdbp[2]) << 24)));
+			} else if (acmd->cmd_cdblen == CDB_GROUP2) {
+				ddi_put32(acc_handle, &ldio->lba_count, (
+				    ((uint16_t)(pkt->pkt_cdbp[9])) |
+				    ((uint16_t)(pkt->pkt_cdbp[8]) << 8) |
+				    ((uint16_t)(pkt->pkt_cdbp[7]) << 16) |
+				    ((uint16_t)(pkt->pkt_cdbp[6]) << 24)));
+
+				ddi_put32(acc_handle, &ldio->start_lba_lo, (
+				    ((uint32_t)(pkt->pkt_cdbp[5])) |
+				    ((uint32_t)(pkt->pkt_cdbp[4]) << 8) |
+				    ((uint32_t)(pkt->pkt_cdbp[3]) << 16) |
+				    ((uint32_t)(pkt->pkt_cdbp[2]) << 24)));
+			} else if (acmd->cmd_cdblen == CDB_GROUP3) {
+				ddi_put32(acc_handle, &ldio->lba_count, (
+				    ((uint16_t)(pkt->pkt_cdbp[13])) |
+				    ((uint16_t)(pkt->pkt_cdbp[12]) << 8) |
+				    ((uint16_t)(pkt->pkt_cdbp[11]) << 16) |
+				    ((uint16_t)(pkt->pkt_cdbp[10]) << 24)));
+
+				ddi_put32(acc_handle, &ldio->start_lba_lo, (
+				    ((uint32_t)(pkt->pkt_cdbp[9])) |
+				    ((uint32_t)(pkt->pkt_cdbp[8]) << 8) |
+				    ((uint32_t)(pkt->pkt_cdbp[7]) << 16) |
+				    ((uint32_t)(pkt->pkt_cdbp[6]) << 24)));
+
+				ddi_put32(acc_handle, &ldio->start_lba_lo, (
+				    ((uint32_t)(pkt->pkt_cdbp[5])) |
+				    ((uint32_t)(pkt->pkt_cdbp[4]) << 8) |
+				    ((uint32_t)(pkt->pkt_cdbp[3]) << 16) |
+				    ((uint32_t)(pkt->pkt_cdbp[2]) << 24)));
+			}
+
+			break;
+		}
+		/* fall through For all non-rd/wr cmds */
+	default:
+
+		switch (pkt->pkt_cdbp[0]) {
+		case SCMD_MODE_SENSE:
+		case SCMD_MODE_SENSE_G1: {
+			union scsi_cdb	*cdbp;
+			uint16_t	page_code;
+
+			cdbp = (void *)pkt->pkt_cdbp;
+			page_code = (uint16_t)cdbp->cdb_un.sg.scsi[0];
+			switch (page_code) {
+			case 0x3:
+			case 0x4:
+				(void) drsas_mode_sense_build(pkt);
+				return_mfi_pkt(instance, cmd);
+				*cmd_done = 1;
+				return (NULL);
+			}
+			break;
+		}
+		default:
+			break;
+		}
+
+		pthru	= (struct drsas_pthru_frame *)cmd->frame;
+
+		/* prepare the DCDB frame */
+		ddi_put8(acc_handle, &pthru->cmd, (acmd->islogical) ?
+		    MFI_CMD_OP_LD_SCSI : MFI_CMD_OP_PD_SCSI);
+		ddi_put8(acc_handle, &pthru->cmd_status, 0x0);
+		ddi_put8(acc_handle, &pthru->scsi_status, 0x0);
+		ddi_put8(acc_handle, &pthru->target_id, acmd->device_id);
+		ddi_put8(acc_handle, &pthru->lun, 0);
+		ddi_put8(acc_handle, &pthru->cdb_len, acmd->cmd_cdblen);
+		ddi_put16(acc_handle, &pthru->timeout, 0);
+		ddi_put16(acc_handle, &pthru->flags, flags);
+		ddi_put32(acc_handle, &pthru->data_xfer_len,
+		    acmd->cmd_dmacount);
+		ddi_put8(acc_handle, &pthru->sge_count, acmd->cmd_cookiecnt);
+		mfi_sgl			= (struct drsas_sge64 *)&pthru->sgl;
+
+		bzero(cmd->sense, SENSE_LENGTH);
+		ddi_put8(acc_handle, &pthru->sense_len, SENSE_LENGTH);
+		ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_hi, 0);
+		ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_lo,
+		    cmd->sense_phys_addr);
+
+		context = ddi_get32(acc_handle, &pthru->context);
+		ddi_rep_put8(acc_handle, (uint8_t *)pkt->pkt_cdbp,
+		    (uint8_t *)pthru->cdb, acmd->cmd_cdblen, DDI_DEV_AUTOINCR);
+
+		break;
+	}
+#ifdef lint
+	context = context;
+#endif
+	/* prepare the scatter-gather list for the firmware */
+	for (i = 0; i < acmd->cmd_cookiecnt; i++, mfi_sgl++) {
+		ddi_put64(acc_handle, &mfi_sgl->phys_addr,
+		    acmd->cmd_dmacookies[i].dmac_laddress);
+		ddi_put32(acc_handle, &mfi_sgl->length,
+		    acmd->cmd_dmacookies[i].dmac_size);
+	}
+
+	sge_bytes = sizeof (struct drsas_sge64)*acmd->cmd_cookiecnt;
+
+	cmd->frame_count = (sge_bytes / MRMFI_FRAME_SIZE) +
+	    ((sge_bytes % MRMFI_FRAME_SIZE) ? 1 : 0) + 1;
+
+	if (cmd->frame_count >= 8) {
+		cmd->frame_count = 8;
+	}
+
+	return (cmd);
+}
+
+/*
+ * issue_mfi_pthru
+ */
+static int
+issue_mfi_pthru(struct drsas_instance *instance, struct drsas_ioctl *ioctl,
+    struct drsas_cmd *cmd, int mode)
+{
+	void		*ubuf;
+	uint32_t	kphys_addr = 0;
+	uint32_t	xferlen = 0;
+	uint_t		model;
+	ddi_acc_handle_t	acc_handle = cmd->frame_dma_obj.acc_handle;
+	dma_obj_t			pthru_dma_obj;
+	struct drsas_pthru_frame	*kpthru;
+	struct drsas_pthru_frame	*pthru;
+	int i;
+	pthru = &cmd->frame->pthru;
+	kpthru = (struct drsas_pthru_frame *)&ioctl->frame[0];
+
+	model = ddi_model_convert_from(mode & FMODELS);
+	if (model == DDI_MODEL_ILP32) {
+		con_log(CL_ANN1, (CE_NOTE, "issue_mfi_pthru: DDI_MODEL_LP32"));
+
+		xferlen	= kpthru->sgl.sge32[0].length;
+
+		ubuf	= (void *)(ulong_t)kpthru->sgl.sge32[0].phys_addr;
+	} else {
+#ifdef _ILP32
+		con_log(CL_ANN1, (CE_NOTE, "issue_mfi_pthru: DDI_MODEL_LP32"));
+		xferlen	= kpthru->sgl.sge32[0].length;
+		ubuf	= (void *)(ulong_t)kpthru->sgl.sge32[0].phys_addr;
+#else
+		con_log(CL_ANN1, (CE_NOTE, "issue_mfi_pthru: DDI_MODEL_LP64"));
+		xferlen	= kpthru->sgl.sge64[0].length;
+		ubuf	= (void *)(ulong_t)kpthru->sgl.sge64[0].phys_addr;
+#endif
+	}
+
+	if (xferlen) {
+		/* means IOCTL requires DMA */
+		/* allocate the data transfer buffer */
+		pthru_dma_obj.size = xferlen;
+		pthru_dma_obj.dma_attr = drsas_generic_dma_attr;
+		pthru_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
+		pthru_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
+		pthru_dma_obj.dma_attr.dma_attr_sgllen = 1;
+		pthru_dma_obj.dma_attr.dma_attr_align = 1;
+
+		/* allocate kernel buffer for DMA */
+		if (drsas_alloc_dma_obj(instance, &pthru_dma_obj,
+		    (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
+			con_log(CL_ANN, (CE_WARN, "issue_mfi_pthru: "
+			    "could not allocate data transfer buffer."));
+			return (DDI_FAILURE);
+		}
+
+		/* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
+		if (kpthru->flags & MFI_FRAME_DIR_WRITE) {
+			for (i = 0; i < xferlen; i++) {
+				if (ddi_copyin((uint8_t *)ubuf+i,
+				    (uint8_t *)pthru_dma_obj.buffer+i,
+				    1, mode)) {
+					con_log(CL_ANN, (CE_WARN,
+					    "issue_mfi_pthru : "
+					    "copy from user space failed"));
+					return (DDI_FAILURE);
+				}
+			}
+		}
+
+		kphys_addr = pthru_dma_obj.dma_cookie[0].dmac_address;
+	}
+
+	ddi_put8(acc_handle, &pthru->cmd, kpthru->cmd);
+	ddi_put8(acc_handle, &pthru->sense_len, kpthru->sense_len);
+	ddi_put8(acc_handle, &pthru->cmd_status, 0);
+	ddi_put8(acc_handle, &pthru->scsi_status, 0);
+	ddi_put8(acc_handle, &pthru->target_id, kpthru->target_id);
+	ddi_put8(acc_handle, &pthru->lun, kpthru->lun);
+	ddi_put8(acc_handle, &pthru->cdb_len, kpthru->cdb_len);
+	ddi_put8(acc_handle, &pthru->sge_count, kpthru->sge_count);
+	ddi_put16(acc_handle, &pthru->timeout, kpthru->timeout);
+	ddi_put32(acc_handle, &pthru->data_xfer_len, kpthru->data_xfer_len);
+
+	ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_hi, 0);
+	/* pthru->sense_buf_phys_addr_lo = cmd->sense_phys_addr; */
+	ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_lo, 0);
+
+	ddi_rep_put8(acc_handle, (uint8_t *)kpthru->cdb, (uint8_t *)pthru->cdb,
+	    pthru->cdb_len, DDI_DEV_AUTOINCR);
+
+	ddi_put16(acc_handle, &pthru->flags, kpthru->flags & ~MFI_FRAME_SGL64);
+	ddi_put32(acc_handle, &pthru->sgl.sge32[0].length, xferlen);
+	ddi_put32(acc_handle, &pthru->sgl.sge32[0].phys_addr, kphys_addr);
+
+	cmd->sync_cmd = DRSAS_TRUE;
+	cmd->frame_count = 1;
+
+	if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
+		con_log(CL_ANN, (CE_WARN,
+		    "issue_mfi_pthru: fw_ioctl failed"));
+	} else {
+		if (xferlen && kpthru->flags & MFI_FRAME_DIR_READ) {
+			for (i = 0; i < xferlen; i++) {
+				if (ddi_copyout(
+				    (uint8_t *)pthru_dma_obj.buffer+i,
+				    (uint8_t *)ubuf+i, 1, mode)) {
+					con_log(CL_ANN, (CE_WARN,
+					    "issue_mfi_pthru : "
+					    "copy to user space failed"));
+					return (DDI_FAILURE);
+				}
+			}
+		}
+	}
+
+	kpthru->cmd_status = ddi_get8(acc_handle, &pthru->cmd_status);
+	kpthru->scsi_status = ddi_get8(acc_handle, &pthru->scsi_status);
+
+	con_log(CL_ANN, (CE_NOTE, "issue_mfi_pthru: cmd_status %x, "
+	    "scsi_status %x", kpthru->cmd_status, kpthru->scsi_status));
+
+	if (xferlen) {
+		/* free kernel buffer */
+		if (drsas_free_dma_obj(instance, pthru_dma_obj) != DDI_SUCCESS)
+			return (DDI_FAILURE);
+	}
+
+	return (DDI_SUCCESS);
+}
+
+/*
+ * issue_mfi_dcmd
+ */
+static int
+issue_mfi_dcmd(struct drsas_instance *instance, struct drsas_ioctl *ioctl,
+    struct drsas_cmd *cmd, int mode)
+{
+	void		*ubuf;
+	uint32_t	kphys_addr = 0;
+	uint32_t	xferlen = 0;
+	uint32_t	model;
+	dma_obj_t	dcmd_dma_obj;
+	struct drsas_dcmd_frame	*kdcmd;
+	struct drsas_dcmd_frame	*dcmd;
+	ddi_acc_handle_t	acc_handle = cmd->frame_dma_obj.acc_handle;
+	int i;
+	dcmd = &cmd->frame->dcmd;
+	kdcmd = (struct drsas_dcmd_frame *)&ioctl->frame[0];
+
+	model = ddi_model_convert_from(mode & FMODELS);
+	if (model == DDI_MODEL_ILP32) {
+		con_log(CL_ANN1, (CE_NOTE, "issue_mfi_dcmd: DDI_MODEL_ILP32"));
+
+		xferlen	= kdcmd->sgl.sge32[0].length;
+
+		ubuf	= (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr;
+	} else {
+#ifdef _ILP32
+		con_log(CL_ANN1, (CE_NOTE, "issue_mfi_dcmd: DDI_MODEL_ILP32"));
+		xferlen	= kdcmd->sgl.sge32[0].length;
+		ubuf	= (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr;
+#else
+		con_log(CL_ANN1, (CE_NOTE, "issue_mfi_dcmd: DDI_MODEL_LP64"));
+		xferlen	= kdcmd->sgl.sge64[0].length;
+		ubuf	= (void *)(ulong_t)kdcmd->sgl.sge64[0].phys_addr;
+#endif
+	}
+	if (xferlen) {
+		/* means IOCTL requires DMA */
+		/* allocate the data transfer buffer */
+		dcmd_dma_obj.size = xferlen;
+		dcmd_dma_obj.dma_attr = drsas_generic_dma_attr;
+		dcmd_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
+		dcmd_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
+		dcmd_dma_obj.dma_attr.dma_attr_sgllen = 1;
+		dcmd_dma_obj.dma_attr.dma_attr_align = 1;
+
+		/* allocate kernel buffer for DMA */
+		if (drsas_alloc_dma_obj(instance, &dcmd_dma_obj,
+		    (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
+			con_log(CL_ANN, (CE_WARN, "issue_mfi_dcmd: "
+			    "could not allocate data transfer buffer."));
+			return (DDI_FAILURE);
+		}
+
+		/* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
+		if (kdcmd->flags & MFI_FRAME_DIR_WRITE) {
+			for (i = 0; i < xferlen; i++) {
+				if (ddi_copyin((uint8_t *)ubuf + i,
+				    (uint8_t *)dcmd_dma_obj.buffer + i,
+				    1, mode)) {
+					con_log(CL_ANN, (CE_WARN,
+					    "issue_mfi_dcmd : "
+					    "copy from user space failed"));
+					return (DDI_FAILURE);
+				}
+			}
+		}
+
+		kphys_addr = dcmd_dma_obj.dma_cookie[0].dmac_address;
+	}
+
+	ddi_put8(acc_handle, &dcmd->cmd, kdcmd->cmd);
+	ddi_put8(acc_handle, &dcmd->cmd_status, 0);
+	ddi_put8(acc_handle, &dcmd->sge_count, kdcmd->sge_count);
+	ddi_put16(acc_handle, &dcmd->timeout, kdcmd->timeout);
+	ddi_put32(acc_handle, &dcmd->data_xfer_len, kdcmd->data_xfer_len);
+	ddi_put32(acc_handle, &dcmd->opcode, kdcmd->opcode);
+
+	ddi_rep_put8(acc_handle, (uint8_t *)kdcmd->mbox.b,
+	    (uint8_t *)dcmd->mbox.b, DCMD_MBOX_SZ, DDI_DEV_AUTOINCR);
+
+	ddi_put16(acc_handle, &dcmd->flags, kdcmd->flags & ~MFI_FRAME_SGL64);
+	ddi_put32(acc_handle, &dcmd->sgl.sge32[0].length, xferlen);
+	ddi_put32(acc_handle, &dcmd->sgl.sge32[0].phys_addr, kphys_addr);
+
+	cmd->sync_cmd = DRSAS_TRUE;
+	cmd->frame_count = 1;
+
+	if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
+		con_log(CL_ANN, (CE_WARN, "issue_mfi_dcmd: fw_ioctl failed"));
+	} else {
+		if (xferlen && (kdcmd->flags & MFI_FRAME_DIR_READ)) {
+			for (i = 0; i < xferlen; i++) {
+				if (ddi_copyout(
+				    (uint8_t *)dcmd_dma_obj.buffer + i,
+				    (uint8_t *)ubuf + i,
+				    1, mode)) {
+					con_log(CL_ANN, (CE_WARN,
+					    "issue_mfi_dcmd : "
+					    "copy to user space failed"));
+					return (DDI_FAILURE);
+				}
+			}
+		}
+	}
+
+	kdcmd->cmd_status = ddi_get8(acc_handle, &dcmd->cmd_status);
+
+	if (xferlen) {
+		/* free kernel buffer */
+		if (drsas_free_dma_obj(instance, dcmd_dma_obj) != DDI_SUCCESS)
+			return (DDI_FAILURE);
+	}
+
+	return (DDI_SUCCESS);
+}
+
+/*
+ * issue_mfi_smp
+ */
+static int
+issue_mfi_smp(struct drsas_instance *instance, struct drsas_ioctl *ioctl,
+    struct drsas_cmd *cmd, int mode)
+{
+	void		*request_ubuf;
+	void		*response_ubuf;
+	uint32_t	request_xferlen = 0;
+	uint32_t	response_xferlen = 0;
+	uint_t		model;
+	dma_obj_t			request_dma_obj;
+	dma_obj_t			response_dma_obj;
+	ddi_acc_handle_t	acc_handle = cmd->frame_dma_obj.acc_handle;
+	struct drsas_smp_frame		*ksmp;
+	struct drsas_smp_frame		*smp;
+	struct drsas_sge32		*sge32;
+#ifndef _ILP32
+	struct drsas_sge64		*sge64;
+#endif
+	int i;
+	uint64_t			tmp_sas_addr;
+
+	smp = &cmd->frame->smp;
+	ksmp = (struct drsas_smp_frame *)&ioctl->frame[0];
+
+	model = ddi_model_convert_from(mode & FMODELS);
+	if (model == DDI_MODEL_ILP32) {
+		con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: DDI_MODEL_ILP32"));
+
+		sge32			= &ksmp->sgl[0].sge32[0];
+		response_xferlen	= sge32[0].length;
+		request_xferlen		= sge32[1].length;
+		con_log(CL_ANN, (CE_NOTE, "issue_mfi_smp: "
+		    "response_xferlen = %x, request_xferlen = %x",
+		    response_xferlen, request_xferlen));
+
+		response_ubuf	= (void *)(ulong_t)sge32[0].phys_addr;
+		request_ubuf	= (void *)(ulong_t)sge32[1].phys_addr;
+		con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: "
+		    "response_ubuf = %p, request_ubuf = %p",
+		    response_ubuf, request_ubuf));
+	} else {
+#ifdef _ILP32
+		con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: DDI_MODEL_ILP32"));
+
+		sge32			= &ksmp->sgl[0].sge32[0];
+		response_xferlen	= sge32[0].length;
+		request_xferlen		= sge32[1].length;
+		con_log(CL_ANN, (CE_NOTE, "issue_mfi_smp: "
+		    "response_xferlen = %x, request_xferlen = %x",
+		    response_xferlen, request_xferlen));
+
+		response_ubuf	= (void *)(ulong_t)sge32[0].phys_addr;
+		request_ubuf	= (void *)(ulong_t)sge32[1].phys_addr;
+		con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: "
+		    "response_ubuf = %p, request_ubuf = %p",
+		    response_ubuf, request_ubuf));
+#else
+		con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: DDI_MODEL_LP64"));
+
+		sge64			= &ksmp->sgl[0].sge64[0];
+		response_xferlen	= sge64[0].length;
+		request_xferlen		= sge64[1].length;
+
+		response_ubuf	= (void *)(ulong_t)sge64[0].phys_addr;
+		request_ubuf	= (void *)(ulong_t)sge64[1].phys_addr;
+#endif
+	}
+	if (request_xferlen) {
+		/* means IOCTL requires DMA */
+		/* allocate the data transfer buffer */
+		request_dma_obj.size = request_xferlen;
+		request_dma_obj.dma_attr = drsas_generic_dma_attr;
+		request_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
+		request_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
+		request_dma_obj.dma_attr.dma_attr_sgllen = 1;
+		request_dma_obj.dma_attr.dma_attr_align = 1;
+
+		/* allocate kernel buffer for DMA */
+		if (drsas_alloc_dma_obj(instance, &request_dma_obj,
+		    (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
+			con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: "
+			    "could not allocate data transfer buffer."));
+			return (DDI_FAILURE);
+		}
+
+		/* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
+		for (i = 0; i < request_xferlen; i++) {
+			if (ddi_copyin((uint8_t *)request_ubuf + i,
+			    (uint8_t *)request_dma_obj.buffer + i,
+			    1, mode)) {
+				con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: "
+				    "copy from user space failed"));
+				return (DDI_FAILURE);
+			}
+		}
+	}
+
+	if (response_xferlen) {
+		/* means IOCTL requires DMA */
+		/* allocate the data transfer buffer */
+		response_dma_obj.size = response_xferlen;
+		response_dma_obj.dma_attr = drsas_generic_dma_attr;
+		response_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
+		response_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
+		response_dma_obj.dma_attr.dma_attr_sgllen = 1;
+		response_dma_obj.dma_attr.dma_attr_align = 1;
+
+		/* allocate kernel buffer for DMA */
+		if (drsas_alloc_dma_obj(instance, &response_dma_obj,
+		    (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
+			con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: "
+			    "could not allocate data transfer buffer."));
+			return (DDI_FAILURE);
+		}
+
+		/* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
+		for (i = 0; i < response_xferlen; i++) {
+			if (ddi_copyin((uint8_t *)response_ubuf + i,
+			    (uint8_t *)response_dma_obj.buffer + i,
+			    1, mode)) {
+				con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: "
+				    "copy from user space failed"));
+				return (DDI_FAILURE);
+			}
+		}
+	}
+
+	ddi_put8(acc_handle, &smp->cmd, ksmp->cmd);
+	ddi_put8(acc_handle, &smp->cmd_status, 0);
+	ddi_put8(acc_handle, &smp->connection_status, 0);
+	ddi_put8(acc_handle, &smp->sge_count, ksmp->sge_count);
+	/* smp->context		= ksmp->context; */
+	ddi_put16(acc_handle, &smp->timeout, ksmp->timeout);
+	ddi_put32(acc_handle, &smp->data_xfer_len, ksmp->data_xfer_len);
+
+	bcopy((void *)&ksmp->sas_addr, (void *)&tmp_sas_addr,
+	    sizeof (uint64_t));
+	ddi_put64(acc_handle, &smp->sas_addr, tmp_sas_addr);
+
+	ddi_put16(acc_handle, &smp->flags, ksmp->flags & ~MFI_FRAME_SGL64);
+
+	model = ddi_model_convert_from(mode & FMODELS);
+	if (model == DDI_MODEL_ILP32) {
+		con_log(CL_ANN1, (CE_NOTE,
+		    "handle_drv_ioctl: DDI_MODEL_ILP32"));
+
+		sge32 = &smp->sgl[0].sge32[0];
+		ddi_put32(acc_handle, &sge32[0].length, response_xferlen);
+		ddi_put32(acc_handle, &sge32[0].phys_addr,
+		    response_dma_obj.dma_cookie[0].dmac_address);
+		ddi_put32(acc_handle, &sge32[1].length, request_xferlen);
+		ddi_put32(acc_handle, &sge32[1].phys_addr,
+		    request_dma_obj.dma_cookie[0].dmac_address);
+	} else {
+#ifdef _ILP32
+		con_log(CL_ANN1, (CE_NOTE,
+		    "handle_drv_ioctl: DDI_MODEL_ILP32"));
+		sge32 = &smp->sgl[0].sge32[0];
+		ddi_put32(acc_handle, &sge32[0].length, response_xferlen);
+		ddi_put32(acc_handle, &sge32[0].phys_addr,
+		    response_dma_obj.dma_cookie[0].dmac_address);
+		ddi_put32(acc_handle, &sge32[1].length, request_xferlen);
+		ddi_put32(acc_handle, &sge32[1].phys_addr,
+		    request_dma_obj.dma_cookie[0].dmac_address);
+#else
+		con_log(CL_ANN1, (CE_NOTE,
+		    "issue_mfi_smp: DDI_MODEL_LP64"));
+		sge64 = &smp->sgl[0].sge64[0];
+		ddi_put32(acc_handle, &sge64[0].length, response_xferlen);
+		ddi_put64(acc_handle, &sge64[0].phys_addr,
+		    response_dma_obj.dma_cookie[0].dmac_address);
+		ddi_put32(acc_handle, &sge64[1].length, request_xferlen);
+		ddi_put64(acc_handle, &sge64[1].phys_addr,
+		    request_dma_obj.dma_cookie[0].dmac_address);
+#endif
+	}
+	con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp : "
+	    "smp->response_xferlen = %d, smp->request_xferlen = %d "
+	    "smp->data_xfer_len = %d", ddi_get32(acc_handle, &sge32[0].length),
+	    ddi_get32(acc_handle, &sge32[1].length),
+	    ddi_get32(acc_handle, &smp->data_xfer_len)));
+
+	cmd->sync_cmd = DRSAS_TRUE;
+	cmd->frame_count = 1;
+
+	if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
+		con_log(CL_ANN, (CE_WARN,
+		    "issue_mfi_smp: fw_ioctl failed"));
+	} else {
+		con_log(CL_ANN1, (CE_NOTE,
+		    "issue_mfi_smp: copy to user space"));
+
+		if (request_xferlen) {
+			for (i = 0; i < request_xferlen; i++) {
+				if (ddi_copyout(
+				    (uint8_t *)request_dma_obj.buffer +
+				    i, (uint8_t *)request_ubuf + i,
+				    1, mode)) {
+					con_log(CL_ANN, (CE_WARN,
+					    "issue_mfi_smp : copy to user space"
+					    " failed"));
+					return (DDI_FAILURE);
+				}
+			}
+		}
+
+		if (response_xferlen) {
+			for (i = 0; i < response_xferlen; i++) {
+				if (ddi_copyout(
+				    (uint8_t *)response_dma_obj.buffer
+				    + i, (uint8_t *)response_ubuf
+				    + i, 1, mode)) {
+					con_log(CL_ANN, (CE_WARN,
+					    "issue_mfi_smp : copy to "
+					    "user space failed"));
+					return (DDI_FAILURE);
+				}
+			}
+		}
+	}
+
+	ksmp->cmd_status = ddi_get8(acc_handle, &smp->cmd_status);
+	con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: smp->cmd_status = %d",
+	    ddi_get8(acc_handle, &smp->cmd_status)));
+
+
+	if (request_xferlen) {
+		/* free kernel buffer */
+		if (drsas_free_dma_obj(instance, request_dma_obj) !=
+		    DDI_SUCCESS)
+			return (DDI_FAILURE);
+	}
+
+	if (response_xferlen) {
+		/* free kernel buffer */
+		if (drsas_free_dma_obj(instance, response_dma_obj) !=
+		    DDI_SUCCESS)
+			return (DDI_FAILURE);
+	}
+
+	return (DDI_SUCCESS);
+}
+
+/*
+ * issue_mfi_stp
+ */
+static int
+issue_mfi_stp(struct drsas_instance *instance, struct drsas_ioctl *ioctl,
+    struct drsas_cmd *cmd, int mode)
+{
+	void		*fis_ubuf;
+	void		*data_ubuf;
+	uint32_t	fis_xferlen = 0;
+	uint32_t	data_xferlen = 0;
+	uint_t		model;
+	dma_obj_t	fis_dma_obj;
+	dma_obj_t	data_dma_obj;
+	struct drsas_stp_frame	*kstp;
+	struct drsas_stp_frame	*stp;
+	ddi_acc_handle_t	acc_handle = cmd->frame_dma_obj.acc_handle;
+	int i;
+
+	stp = &cmd->frame->stp;
+	kstp = (struct drsas_stp_frame *)&ioctl->frame[0];
+
+	model = ddi_model_convert_from(mode & FMODELS);
+	if (model == DDI_MODEL_ILP32) {
+		con_log(CL_ANN1, (CE_NOTE, "issue_mfi_stp: DDI_MODEL_ILP32"));
+
+		fis_xferlen	= kstp->sgl.sge32[0].length;
+		data_xferlen	= kstp->sgl.sge32[1].length;
+
+		fis_ubuf	= (void *)(ulong_t)kstp->sgl.sge32[0].phys_addr;
+		data_ubuf	= (void *)(ulong_t)kstp->sgl.sge32[1].phys_addr;
+	}
+	else
+	{
+#ifdef _ILP32
+		con_log(CL_ANN1, (CE_NOTE, "issue_mfi_stp: DDI_MODEL_ILP32"));
+
+		fis_xferlen	= kstp->sgl.sge32[0].length;
+		data_xferlen	= kstp->sgl.sge32[1].length;
+
+		fis_ubuf	= (void *)(ulong_t)kstp->sgl.sge32[0].phys_addr;
+		data_ubuf	= (void *)(ulong_t)kstp->sgl.sge32[1].phys_addr;
+#else
+		con_log(CL_ANN1, (CE_NOTE, "issue_mfi_stp: DDI_MODEL_LP64"));
+
+		fis_xferlen	= kstp->sgl.sge64[0].length;
+		data_xferlen	= kstp->sgl.sge64[1].length;
+
+		fis_ubuf	= (void *)(ulong_t)kstp->sgl.sge64[0].phys_addr;
+		data_ubuf	= (void *)(ulong_t)kstp->sgl.sge64[1].phys_addr;
+#endif
+	}
+
+
+	if (fis_xferlen) {
+		con_log(CL_ANN, (CE_NOTE, "issue_mfi_stp: "
+		    "fis_ubuf = %p fis_xferlen = %x", fis_ubuf, fis_xferlen));
+
+		/* means IOCTL requires DMA */
+		/* allocate the data transfer buffer */
+		fis_dma_obj.size = fis_xferlen;
+		fis_dma_obj.dma_attr = drsas_generic_dma_attr;
+		fis_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
+		fis_dma_obj.dma_attr.dma_attr_count_max	= 0xFFFFFFFFU;
+		fis_dma_obj.dma_attr.dma_attr_sgllen = 1;
+		fis_dma_obj.dma_attr.dma_attr_align = 1;
+
+		/* allocate kernel buffer for DMA */
+		if (drsas_alloc_dma_obj(instance, &fis_dma_obj,
+		    (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
+			con_log(CL_ANN, (CE_WARN, "issue_mfi_stp : "
+			    "could not allocate data transfer buffer."));
+			return (DDI_FAILURE);
+		}
+
+		/* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
+		for (i = 0; i < fis_xferlen; i++) {
+			if (ddi_copyin((uint8_t *)fis_ubuf + i,
+			    (uint8_t *)fis_dma_obj.buffer + i, 1, mode)) {
+				con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: "
+				    "copy from user space failed"));
+				return (DDI_FAILURE);
+			}
+		}
+	}
+
+	if (data_xferlen) {
+		con_log(CL_ANN, (CE_NOTE, "issue_mfi_stp: data_ubuf = %p "
+		    "data_xferlen = %x", data_ubuf, data_xferlen));
+
+		/* means IOCTL requires DMA */
+		/* allocate the data transfer buffer */
+		data_dma_obj.size = data_xferlen;
+		data_dma_obj.dma_attr = drsas_generic_dma_attr;
+		data_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
+		data_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
+		data_dma_obj.dma_attr.dma_attr_sgllen = 1;
+		data_dma_obj.dma_attr.dma_attr_align = 1;
+
+/* allocate kernel buffer for DMA */
+		if (drsas_alloc_dma_obj(instance, &data_dma_obj,
+		    (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
+			con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: "
+			    "could not allocate data transfer buffer."));
+			return (DDI_FAILURE);
+		}
+
+		/* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
+		for (i = 0; i < data_xferlen; i++) {
+			if (ddi_copyin((uint8_t *)data_ubuf + i,
+			    (uint8_t *)data_dma_obj.buffer + i, 1, mode)) {
+				con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: "
+				    "copy from user space failed"));
+				return (DDI_FAILURE);
+			}
+		}
+	}
+
+	ddi_put8(acc_handle, &stp->cmd, kstp->cmd);
+	ddi_put8(acc_handle, &stp->cmd_status, 0);
+	ddi_put8(acc_handle, &stp->connection_status, 0);
+	ddi_put8(acc_handle, &stp->target_id, kstp->target_id);
+	ddi_put8(acc_handle, &stp->sge_count, kstp->sge_count);
+
+	ddi_put16(acc_handle, &stp->timeout, kstp->timeout);
+	ddi_put32(acc_handle, &stp->data_xfer_len, kstp->data_xfer_len);
+
+	ddi_rep_put8(acc_handle, (uint8_t *)kstp->fis, (uint8_t *)stp->fis, 10,
+	    DDI_DEV_AUTOINCR);
+
+	ddi_put16(acc_handle, &stp->flags, kstp->flags & ~MFI_FRAME_SGL64);
+	ddi_put32(acc_handle, &stp->stp_flags, kstp->stp_flags);
+	ddi_put32(acc_handle, &stp->sgl.sge32[0].length, fis_xferlen);
+	ddi_put32(acc_handle, &stp->sgl.sge32[0].phys_addr,
+	    fis_dma_obj.dma_cookie[0].dmac_address);
+	ddi_put32(acc_handle, &stp->sgl.sge32[1].length, data_xferlen);
+	ddi_put32(acc_handle, &stp->sgl.sge32[1].phys_addr,
+	    data_dma_obj.dma_cookie[0].dmac_address);
+
+	cmd->sync_cmd = DRSAS_TRUE;
+	cmd->frame_count = 1;
+
+	if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
+		con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: fw_ioctl failed"));
+	} else {
+
+		if (fis_xferlen) {
+			for (i = 0; i < fis_xferlen; i++) {
+				if (ddi_copyout(
+				    (uint8_t *)fis_dma_obj.buffer + i,
+				    (uint8_t *)fis_ubuf + i, 1, mode)) {
+					con_log(CL_ANN, (CE_WARN,
+					    "issue_mfi_stp : copy to "
+					    "user space failed"));
+					return (DDI_FAILURE);
+				}
+			}
+		}
+	}
+	if (data_xferlen) {
+		for (i = 0; i < data_xferlen; i++) {
+			if (ddi_copyout(
+			    (uint8_t *)data_dma_obj.buffer + i,
+			    (uint8_t *)data_ubuf + i, 1, mode)) {
+				con_log(CL_ANN, (CE_WARN,
+				    "issue_mfi_stp : copy to"
+				    " user space failed"));
+				return (DDI_FAILURE);
+			}
+		}
+	}
+
+	kstp->cmd_status = ddi_get8(acc_handle, &stp->cmd_status);
+
+	if (fis_xferlen) {
+		/* free kernel buffer */
+		if (drsas_free_dma_obj(instance, fis_dma_obj) != DDI_SUCCESS)
+			return (DDI_FAILURE);
+	}
+
+	if (data_xferlen) {
+		/* free kernel buffer */
+		if (drsas_free_dma_obj(instance, data_dma_obj) != DDI_SUCCESS)
+			return (DDI_FAILURE);
+	}
+
+	return (DDI_SUCCESS);
+}
+
+/*
+ * fill_up_drv_ver
+ */
+static void
+fill_up_drv_ver(struct drsas_drv_ver *dv)
+{
+	(void) memset(dv, 0, sizeof (struct drsas_drv_ver));
+
+	(void) memcpy(dv->signature, "$LSI LOGIC$", strlen("$LSI LOGIC$"));
+	(void) memcpy(dv->os_name, "Solaris", strlen("Solaris"));
+	(void) memcpy(dv->drv_name, "dr_sas", strlen("dr_sas"));
+	(void) memcpy(dv->drv_ver, DRSAS_VERSION, strlen(DRSAS_VERSION));
+	(void) memcpy(dv->drv_rel_date, DRSAS_RELDATE,
+	    strlen(DRSAS_RELDATE));
+}
+
+/*
+ * handle_drv_ioctl
+ */
+static int
+handle_drv_ioctl(struct drsas_instance *instance, struct drsas_ioctl *ioctl,
+    int mode)
+{
+	int	i;
+	int	rval = DDI_SUCCESS;
+	int	*props = NULL;
+	void	*ubuf;
+
+	uint8_t		*pci_conf_buf;
+	uint32_t	xferlen;
+	uint32_t	num_props;
+	uint_t		model;
+	struct drsas_dcmd_frame	*kdcmd;
+	struct drsas_drv_ver	dv;
+	struct drsas_pci_information pi;
+
+	kdcmd = (struct drsas_dcmd_frame *)&ioctl->frame[0];
+
+	model = ddi_model_convert_from(mode & FMODELS);
+	if (model == DDI_MODEL_ILP32) {
+		con_log(CL_ANN1, (CE_NOTE,
+		    "handle_drv_ioctl: DDI_MODEL_ILP32"));
+
+		xferlen	= kdcmd->sgl.sge32[0].length;
+
+		ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr;
+	} else {
+#ifdef _ILP32
+		con_log(CL_ANN1, (CE_NOTE,
+		    "handle_drv_ioctl: DDI_MODEL_ILP32"));
+		xferlen	= kdcmd->sgl.sge32[0].length;
+		ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr;
+#else
+		con_log(CL_ANN1, (CE_NOTE,
+		    "handle_drv_ioctl: DDI_MODEL_LP64"));
+		xferlen	= kdcmd->sgl.sge64[0].length;
+		ubuf = (void *)(ulong_t)kdcmd->sgl.sge64[0].phys_addr;
+#endif
+	}
+	con_log(CL_ANN1, (CE_NOTE, "handle_drv_ioctl: "
+	    "dataBuf=%p size=%d bytes", ubuf, xferlen));
+
+	switch (kdcmd->opcode) {
+	case DRSAS_DRIVER_IOCTL_DRIVER_VERSION:
+		con_log(CL_ANN1, (CE_NOTE, "handle_drv_ioctl: "
+		    "DRSAS_DRIVER_IOCTL_DRIVER_VERSION"));
+
+		fill_up_drv_ver(&dv);
+		for (i = 0; i < xferlen; i++) {
+			if (ddi_copyout((uint8_t *)&dv + i, (uint8_t *)ubuf + i,
+			    1, mode)) {
+				con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: "
+				    "DRSAS_DRIVER_IOCTL_DRIVER_VERSION"
+				    " : copy to user space failed"));
+				kdcmd->cmd_status = 1;
+				rval = DDI_FAILURE;
+				break;
+			}
+		}
+		if (i == xferlen)
+			kdcmd->cmd_status = 0;
+		break;
+	case DRSAS_DRIVER_IOCTL_PCI_INFORMATION:
+		con_log(CL_ANN1, (CE_NOTE, "handle_drv_ioctl: "
+		    "DRSAS_DRIVER_IOCTL_PCI_INFORMAITON"));
+
+		if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, instance->dip,
+		    0, "reg", &props, &num_props)) {
+			con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: "
+			    "DRSAS_DRIVER_IOCTL_PCI_INFORMATION : "
+			    "ddi_prop_look_int_array failed"));
+			rval = DDI_FAILURE;
+		} else {
+
+			pi.busNumber = (props[0] >> 16) & 0xFF;
+			pi.deviceNumber = (props[0] >> 11) & 0x1f;
+			pi.functionNumber = (props[0] >> 8) & 0x7;
+			ddi_prop_free((void *)props);
+		}
+
+		pci_conf_buf = (uint8_t *)&pi.pciHeaderInfo;
+
+		for (i = 0; i < (sizeof (struct drsas_pci_information) -
+		    offsetof(struct drsas_pci_information, pciHeaderInfo));
+		    i++) {
+			pci_conf_buf[i] =
+			    pci_config_get8(instance->pci_handle, i);
+		}
+		for (i = 0; i < xferlen; i++) {
+			if (ddi_copyout((uint8_t *)&pi + i, (uint8_t *)ubuf + i,
+			    1, mode)) {
+				con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: "
+				    "DRSAS_DRIVER_IOCTL_PCI_INFORMATION"
+				    " : copy to user space failed"));
+				kdcmd->cmd_status = 1;
+				rval = DDI_FAILURE;
+				break;
+			}
+		}
+
+		if (i == xferlen)
+			kdcmd->cmd_status = 0;
+
+		break;
+	default:
+		con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: "
+		    "invalid driver specific IOCTL opcode = 0x%x",
+		    kdcmd->opcode));
+		kdcmd->cmd_status = 1;
+		rval = DDI_FAILURE;
+		break;
+	}
+
+	return (rval);
+}
+
+/*
+ * handle_mfi_ioctl
+ */
+static int
+handle_mfi_ioctl(struct drsas_instance *instance, struct drsas_ioctl *ioctl,
+    int mode)
+{
+	int	rval = DDI_SUCCESS;
+
+	struct drsas_header	*hdr;
+	struct drsas_cmd	*cmd;
+
+	cmd = get_mfi_pkt(instance);
+
+	if (!cmd) {
+		con_log(CL_ANN, (CE_WARN, "dr_sas: "
+		    "failed to get a cmd packet"));
+		return (DDI_FAILURE);
+	}
+
+	/* Clear the frame buffer and assign back the context id */
+	(void) memset((char *)&cmd->frame[0], 0, sizeof (union drsas_frame));
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
+	    cmd->index);
+
+	hdr = (struct drsas_header *)&ioctl->frame[0];
+
+	switch (hdr->cmd) {
+	case MFI_CMD_OP_DCMD:
+		rval = issue_mfi_dcmd(instance, ioctl, cmd, mode);
+		break;
+	case MFI_CMD_OP_SMP:
+		rval = issue_mfi_smp(instance, ioctl, cmd, mode);
+		break;
+	case MFI_CMD_OP_STP:
+		rval = issue_mfi_stp(instance, ioctl, cmd, mode);
+		break;
+	case MFI_CMD_OP_LD_SCSI:
+	case MFI_CMD_OP_PD_SCSI:
+		rval = issue_mfi_pthru(instance, ioctl, cmd, mode);
+		break;
+	default:
+		con_log(CL_ANN, (CE_WARN, "handle_mfi_ioctl: "
+		    "invalid mfi ioctl hdr->cmd = %d", hdr->cmd));
+		rval = DDI_FAILURE;
+		break;
+	}
+
+
+	return_mfi_pkt(instance, cmd);
+	if (drsas_common_check(instance, cmd) != DDI_SUCCESS)
+		rval = DDI_FAILURE;
+	return (rval);
+}
+
+/*
+ * AEN
+ */
+static int
+handle_mfi_aen(struct drsas_instance *instance, struct drsas_aen *aen)
+{
+	int	rval = 0;
+
+	rval = register_mfi_aen(instance, instance->aen_seq_num,
+	    aen->class_locale_word);
+
+	aen->cmd_status = (uint8_t)rval;
+
+	return (rval);
+}
+
+static int
+register_mfi_aen(struct drsas_instance *instance, uint32_t seq_num,
+    uint32_t class_locale_word)
+{
+	int	ret_val;
+
+	struct drsas_cmd	*cmd, *aen_cmd;
+	struct drsas_dcmd_frame	*dcmd;
+	union drsas_evt_class_locale	curr_aen;
+	union drsas_evt_class_locale	prev_aen;
+
+	/*
+	 * If there an AEN pending already (aen_cmd), check if the
+	 * class_locale of that pending AEN is inclusive of the new
+	 * AEN request we currently have. If it is, then we don't have
+	 * to do anything. In other words, whichever events the current
+	 * AEN request is subscribing to, have already been subscribed
+	 * to.
+	 *
+	 * If the old_cmd is _not_ inclusive, then we have to abort
+	 * that command, form a class_locale that is superset of both
+	 * old and current and re-issue to the FW
+	 */
+
+	curr_aen.word = class_locale_word;
+	aen_cmd = instance->aen_cmd;
+	if (aen_cmd) {
+		prev_aen.word = ddi_get32(aen_cmd->frame_dma_obj.acc_handle,
+		    &aen_cmd->frame->dcmd.mbox.w[1]);
+
+		/*
+		 * A class whose enum value is smaller is inclusive of all
+		 * higher values. If a PROGRESS (= -1) was previously
+		 * registered, then a new registration requests for higher
+		 * classes need not be sent to FW. They are automatically
+		 * included.
+		 *
+		 * Locale numbers don't have such hierarchy. They are bitmap
+		 * values
+		 */
+		if ((prev_aen.members.class <= curr_aen.members.class) &&
+		    !((prev_aen.members.locale & curr_aen.members.locale) ^
+		    curr_aen.members.locale)) {
+			/*
+			 * Previously issued event registration includes
+			 * current request. Nothing to do.
+			 */
+
+			return (0);
+		} else {
+			curr_aen.members.locale |= prev_aen.members.locale;
+
+			if (prev_aen.members.class < curr_aen.members.class)
+				curr_aen.members.class = prev_aen.members.class;
+
+			ret_val = abort_aen_cmd(instance, aen_cmd);
+
+			if (ret_val) {
+				con_log(CL_ANN, (CE_WARN, "register_mfi_aen: "
+				    "failed to abort prevous AEN command"));
+
+				return (ret_val);
+			}
+		}
+	} else {
+		curr_aen.word = class_locale_word;
+	}
+
+	cmd = get_mfi_pkt(instance);
+
+	if (!cmd)
+		return (ENOMEM);
+	/* Clear the frame buffer and assign back the context id */
+	(void) memset((char *)&cmd->frame[0], 0, sizeof (union drsas_frame));
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
+	    cmd->index);
+
+	dcmd = &cmd->frame->dcmd;
+
+	/* for(i = 0; i < DCMD_MBOX_SZ; i++) dcmd->mbox.b[i] = 0; */
+	(void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ);
+
+	(void) memset(instance->mfi_evt_detail_obj.buffer, 0,
+	    sizeof (struct drsas_evt_detail));
+
+	/* Prepare DCMD for aen registration */
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD);
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status, 0x0);
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 1);
+	ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags,
+	    MFI_FRAME_DIR_READ);
+	ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0);
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len,
+	    sizeof (struct drsas_evt_detail));
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode,
+	    DR_DCMD_CTRL_EVENT_WAIT);
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->mbox.w[0], seq_num);
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->mbox.w[1],
+	    curr_aen.word);
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].phys_addr,
+	    instance->mfi_evt_detail_obj.dma_cookie[0].dmac_address);
+	ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].length,
+	    sizeof (struct drsas_evt_detail));
+
+	instance->aen_seq_num = seq_num;
+
+
+	/*
+	 * Store reference to the cmd used to register for AEN. When an
+	 * application wants us to register for AEN, we have to abort this
+	 * cmd and re-register with a new EVENT LOCALE supplied by that app
+	 */
+	instance->aen_cmd = cmd;
+
+	cmd->frame_count = 1;
+
+	/* Issue the aen registration frame */
+	/* atomic_add_16 (&instance->fw_outstanding, 1); */
+	instance->func_ptr->issue_cmd(cmd, instance);
+
+	return (0);
+}
+
+static void
+display_scsi_inquiry(caddr_t scsi_inq)
+{
+#define	MAX_SCSI_DEVICE_CODE	14
+	int		i;
+	char		inquiry_buf[256] = {0};
+	int		len;
+	const char	*const scsi_device_types[] = {
+		"Direct-Access    ",
+		"Sequential-Access",
+		"Printer          ",
+		"Processor        ",
+		"WORM             ",
+		"CD-ROM           ",
+		"Scanner          ",
+		"Optical Device   ",
+		"Medium Changer   ",
+		"Communications   ",
+		"Unknown          ",
+		"Unknown          ",
+		"Unknown          ",
+		"Enclosure        ",
+	};
+
+	len = 0;
+
+	len += snprintf(inquiry_buf + len, 265 - len, "  Vendor: ");
+	for (i = 8; i < 16; i++) {
+		len += snprintf(inquiry_buf + len, 265 - len, "%c",
+		    scsi_inq[i]);
+	}
+
+	len += snprintf(inquiry_buf + len, 265 - len, "  Model: ");
+
+	for (i = 16; i < 32; i++) {
+		len += snprintf(inquiry_buf + len, 265 - len, "%c",
+		    scsi_inq[i]);
+	}
+
+	len += snprintf(inquiry_buf + len, 265 - len, "  Rev: ");
+
+	for (i = 32; i < 36; i++) {
+		len += snprintf(inquiry_buf + len, 265 - len, "%c",
+		    scsi_inq[i]);
+	}
+
+	len += snprintf(inquiry_buf + len, 265 - len, "\n");
+
+
+	i = scsi_inq[0] & 0x1f;
+
+
+	len += snprintf(inquiry_buf + len, 265 - len, "  Type:   %s ",
+	    i < MAX_SCSI_DEVICE_CODE ? scsi_device_types[i] :
+	    "Unknown          ");
+
+
+	len += snprintf(inquiry_buf + len, 265 - len,
+	    "                 ANSI SCSI revision: %02x", scsi_inq[2] & 0x07);
+
+	if ((scsi_inq[2] & 0x07) == 1 && (scsi_inq[3] & 0x0f) == 1) {
+		len += snprintf(inquiry_buf + len, 265 - len, " CCS\n");
+	} else {
+		len += snprintf(inquiry_buf + len, 265 - len, "\n");
+	}
+
+	con_log(CL_ANN1, (CE_CONT, inquiry_buf));
+}
+
+static int
+read_fw_status_reg_ppc(struct drsas_instance *instance)
+{
+	return ((int)RD_OB_SCRATCH_PAD_0(instance));
+}
+
+static void
+issue_cmd_ppc(struct drsas_cmd *cmd, struct drsas_instance *instance)
+{
+	atomic_add_16(&instance->fw_outstanding, 1);
+
+	/* Issue the command to the FW */
+	WR_IB_QPORT((cmd->frame_phys_addr) |
+	    (((cmd->frame_count - 1) << 1) | 1), instance);
+}
+
+/*
+ * issue_cmd_in_sync_mode
+ */
+static int
+issue_cmd_in_sync_mode_ppc(struct drsas_instance *instance,
+    struct drsas_cmd *cmd)
+{
+	int		i;
+	uint32_t	msecs = MFI_POLL_TIMEOUT_SECS * (10 * MILLISEC);
+
+	con_log(CL_ANN1, (CE_NOTE, "issue_cmd_in_sync_mode_ppc: called"));
+
+	cmd->cmd_status	= ENODATA;
+
+	WR_IB_QPORT((cmd->frame_phys_addr) |
+	    (((cmd->frame_count - 1) << 1) | 1), instance);
+
+	mutex_enter(&instance->int_cmd_mtx);
+
+	for (i = 0; i < msecs && (cmd->cmd_status == ENODATA); i++) {
+		cv_wait(&instance->int_cmd_cv, &instance->int_cmd_mtx);
+	}
+
+	mutex_exit(&instance->int_cmd_mtx);
+
+	con_log(CL_ANN1, (CE_NOTE, "issue_cmd_in_sync_mode_ppc: done"));
+
+	if (i < (msecs -1)) {
+		return (DDI_SUCCESS);
+	} else {
+		return (DDI_FAILURE);
+	}
+}
+
+/*
+ * issue_cmd_in_poll_mode
+ */
+static int
+issue_cmd_in_poll_mode_ppc(struct drsas_instance *instance,
+    struct drsas_cmd *cmd)
+{
+	int		i;
+	uint16_t	flags;
+	uint32_t	msecs = MFI_POLL_TIMEOUT_SECS * MILLISEC;
+	struct drsas_header *frame_hdr;
+
+	con_log(CL_ANN1, (CE_NOTE, "issue_cmd_in_poll_mode_ppc: called"));
+
+	frame_hdr = (struct drsas_header *)cmd->frame;
+	ddi_put8(cmd->frame_dma_obj.acc_handle, &frame_hdr->cmd_status,
+	    MFI_CMD_STATUS_POLL_MODE);
+	flags = ddi_get16(cmd->frame_dma_obj.acc_handle, &frame_hdr->flags);
+	flags 	|= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
+
+	ddi_put16(cmd->frame_dma_obj.acc_handle, &frame_hdr->flags, flags);
+
+	/* issue the frame using inbound queue port */
+	WR_IB_QPORT((cmd->frame_phys_addr) |
+	    (((cmd->frame_count - 1) << 1) | 1), instance);
+
+	/* wait for cmd_status to change from 0xFF */
+	for (i = 0; i < msecs && (
+	    ddi_get8(cmd->frame_dma_obj.acc_handle, &frame_hdr->cmd_status)
+	    == MFI_CMD_STATUS_POLL_MODE); i++) {
+		drv_usecwait(MILLISEC); /* wait for 1000 usecs */
+	}
+
+	if (ddi_get8(cmd->frame_dma_obj.acc_handle, &frame_hdr->cmd_status)
+	    == MFI_CMD_STATUS_POLL_MODE) {
+		con_log(CL_ANN, (CE_NOTE, "issue_cmd_in_poll_mode: "
+		    "cmd polling timed out"));
+		return (DDI_FAILURE);
+	}
+
+	return (DDI_SUCCESS);
+}
+
+static void
+enable_intr_ppc(struct drsas_instance *instance)
+{
+	uint32_t	mask;
+
+	con_log(CL_ANN1, (CE_NOTE, "enable_intr_ppc: called"));
+
+	/* WR_OB_DOORBELL_CLEAR(0xFFFFFFFF, instance); */
+	WR_OB_DOORBELL_CLEAR(OB_DOORBELL_CLEAR_MASK, instance);
+
+	/* WR_OB_INTR_MASK(~0x80000000, instance); */
+	WR_OB_INTR_MASK(~(MFI_REPLY_2108_MESSAGE_INTR_MASK), instance);
+
+	/* dummy read to force PCI flush */
+	mask = RD_OB_INTR_MASK(instance);
+
+	con_log(CL_ANN1, (CE_NOTE, "enable_intr_ppc: "
+	    "outbound_intr_mask = 0x%x", mask));
+}
+
+static void
+disable_intr_ppc(struct drsas_instance *instance)
+{
+	uint32_t	mask;
+
+	con_log(CL_ANN1, (CE_NOTE, "disable_intr_ppc: called"));
+
+	con_log(CL_ANN1, (CE_NOTE, "disable_intr_ppc: before : "
+	    "outbound_intr_mask = 0x%x", RD_OB_INTR_MASK(instance)));
+
+	/* WR_OB_INTR_MASK(0xFFFFFFFF, instance); */
+	WR_OB_INTR_MASK(OB_INTR_MASK, instance);
+
+	con_log(CL_ANN1, (CE_NOTE, "disable_intr_ppc: after : "
+	    "outbound_intr_mask = 0x%x", RD_OB_INTR_MASK(instance)));
+
+	/* dummy read to force PCI flush */
+	mask = RD_OB_INTR_MASK(instance);
+#ifdef lint
+	mask = mask;
+#endif
+}
+
+static int
+intr_ack_ppc(struct drsas_instance *instance)
+{
+	uint32_t	status;
+
+	con_log(CL_ANN1, (CE_NOTE, "intr_ack_ppc: called"));
+
+	/* check if it is our interrupt */
+	status = RD_OB_INTR_STATUS(instance);
+
+	con_log(CL_ANN1, (CE_NOTE, "intr_ack_ppc: status = 0x%x", status));
+
+	if (!(status & MFI_REPLY_2108_MESSAGE_INTR)) {
+		return (DDI_INTR_UNCLAIMED);
+	}
+
+	/* clear the interrupt by writing back the same value */
+	WR_OB_DOORBELL_CLEAR(status, instance);
+
+	/* dummy READ */
+	status = RD_OB_INTR_STATUS(instance);
+
+	con_log(CL_ANN1, (CE_NOTE, "intr_ack_ppc: interrupt cleared"));
+
+	return (DDI_INTR_CLAIMED);
+}
+
+static int
+drsas_common_check(struct drsas_instance *instance,
+    struct  drsas_cmd *cmd)
+{
+	int ret = DDI_SUCCESS;
+
+	if (drsas_check_dma_handle(cmd->frame_dma_obj.dma_handle) !=
+	    DDI_SUCCESS) {
+		ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED);
+		if (cmd->pkt != NULL) {
+			cmd->pkt->pkt_reason = CMD_TRAN_ERR;
+			cmd->pkt->pkt_statistics = 0;
+		}
+		ret = DDI_FAILURE;
+	}
+	if (drsas_check_dma_handle(instance->mfi_internal_dma_obj.dma_handle)
+	    != DDI_SUCCESS) {
+		ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED);
+		if (cmd->pkt != NULL) {
+			cmd->pkt->pkt_reason = CMD_TRAN_ERR;
+			cmd->pkt->pkt_statistics = 0;
+		}
+		ret = DDI_FAILURE;
+	}
+	if (drsas_check_dma_handle(instance->mfi_evt_detail_obj.dma_handle) !=
+	    DDI_SUCCESS) {
+		ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED);
+		if (cmd->pkt != NULL) {
+			cmd->pkt->pkt_reason = CMD_TRAN_ERR;
+			cmd->pkt->pkt_statistics = 0;
+		}
+		ret = DDI_FAILURE;
+	}
+	if (drsas_check_acc_handle(instance->regmap_handle) != DDI_SUCCESS) {
+		ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED);
+
+		ddi_fm_acc_err_clear(instance->regmap_handle, DDI_FME_VER0);
+
+		if (cmd->pkt != NULL) {
+			cmd->pkt->pkt_reason = CMD_TRAN_ERR;
+			cmd->pkt->pkt_statistics = 0;
+		}
+		ret = DDI_FAILURE;
+	}
+
+	return (ret);
+}
+
+/*ARGSUSED*/
+static int
+drsas_fm_error_cb(dev_info_t *dip, ddi_fm_error_t *err, const void *impl_data)
+{
+	/*
+	 * as the driver can always deal with an error in any dma or
+	 * access handle, we can just return the fme_status value.
+	 */
+	pci_ereport_post(dip, err, NULL);
+	return (err->fme_status);
+}
+
+static void
+drsas_fm_init(struct drsas_instance *instance)
+{
+	/* Need to change iblock to priority for new MSI intr */
+	ddi_iblock_cookie_t fm_ibc;
+
+	/* Only register with IO Fault Services if we have some capability */
+	if (instance->fm_capabilities) {
+		/* Adjust access and dma attributes for FMA */
+		endian_attr.devacc_attr_access = DDI_FLAGERR_ACC;
+		drsas_generic_dma_attr.dma_attr_flags = DDI_DMA_FLAGERR;
+
+		/*
+		 * Register capabilities with IO Fault Services.
+		 * fm_capabilities will be updated to indicate
+		 * capabilities actually supported (not requested.)
+		 */
+
+		ddi_fm_init(instance->dip, &instance->fm_capabilities, &fm_ibc);
+
+		/*
+		 * Initialize pci ereport capabilities if ereport
+		 * capable (should always be.)
+		 */
+
+		if (DDI_FM_EREPORT_CAP(instance->fm_capabilities) ||
+		    DDI_FM_ERRCB_CAP(instance->fm_capabilities)) {
+			pci_ereport_setup(instance->dip);
+		}
+
+		/*
+		 * Register error callback if error callback capable.
+		 */
+		if (DDI_FM_ERRCB_CAP(instance->fm_capabilities)) {
+			ddi_fm_handler_register(instance->dip,
+			    drsas_fm_error_cb, (void*) instance);
+		}
+	} else {
+		endian_attr.devacc_attr_access = DDI_DEFAULT_ACC;
+		drsas_generic_dma_attr.dma_attr_flags = 0;
+	}
+}
+
+static void
+drsas_fm_fini(struct drsas_instance *instance)
+{
+	/* Only unregister FMA capabilities if registered */
+	if (instance->fm_capabilities) {
+		/*
+		 * Un-register error callback if error callback capable.
+		 */
+		if (DDI_FM_ERRCB_CAP(instance->fm_capabilities)) {
+			ddi_fm_handler_unregister(instance->dip);
+		}
+
+		/*
+		 * Release any resources allocated by pci_ereport_setup()
+		 */
+		if (DDI_FM_EREPORT_CAP(instance->fm_capabilities) ||
+		    DDI_FM_ERRCB_CAP(instance->fm_capabilities)) {
+			pci_ereport_teardown(instance->dip);
+		}
+
+		/* Unregister from IO Fault Services */
+		ddi_fm_fini(instance->dip);
+
+		/* Adjust access and dma attributes for FMA */
+		endian_attr.devacc_attr_access = DDI_DEFAULT_ACC;
+		drsas_generic_dma_attr.dma_attr_flags = 0;
+	}
+}
+
+int
+drsas_check_acc_handle(ddi_acc_handle_t handle)
+{
+	ddi_fm_error_t de;
+
+	if (handle == NULL) {
+		return (DDI_FAILURE);
+	}
+
+	ddi_fm_acc_err_get(handle, &de, DDI_FME_VERSION);
+
+	return (de.fme_status);
+}
+
+int
+drsas_check_dma_handle(ddi_dma_handle_t handle)
+{
+	ddi_fm_error_t de;
+
+	if (handle == NULL) {
+		return (DDI_FAILURE);
+	}
+
+	ddi_fm_dma_err_get(handle, &de, DDI_FME_VERSION);
+
+	return (de.fme_status);
+}
+
+void
+drsas_fm_ereport(struct drsas_instance *instance, char *detail)
+{
+	uint64_t ena;
+	char buf[FM_MAX_CLASS];
+
+	(void) snprintf(buf, FM_MAX_CLASS, "%s.%s", DDI_FM_DEVICE, detail);
+	ena = fm_ena_generate(0, FM_ENA_FMT1);
+	if (DDI_FM_EREPORT_CAP(instance->fm_capabilities)) {
+		ddi_fm_ereport_post(instance->dip, buf, ena, DDI_NOSLEEP,
+		    FM_VERSION, DATA_TYPE_UINT8, FM_EREPORT_VERSION, NULL);
+	}
+}
+
+static int
+drsas_add_intrs(struct drsas_instance *instance, int intr_type)
+{
+
+	dev_info_t *dip = instance->dip;
+	int	avail, actual, count;
+	int	i, flag, ret;
+
+	con_log(CL_DLEVEL1, (CE_WARN, "drsas_add_intrs: intr_type = %x",
+	    intr_type));
+
+	/* Get number of interrupts */
+	ret = ddi_intr_get_nintrs(dip, intr_type, &count);
+	if ((ret != DDI_SUCCESS) || (count == 0)) {
+		con_log(CL_ANN, (CE_WARN, "ddi_intr_get_nintrs() failed:"
+		    "ret %d count %d", ret, count));
+
+		return (DDI_FAILURE);
+	}
+
+	con_log(CL_DLEVEL1, (CE_WARN, "drsas_add_intrs: count = %d ", count));
+
+	/* Get number of available interrupts */
+	ret = ddi_intr_get_navail(dip, intr_type, &avail);
+	if ((ret != DDI_SUCCESS) || (avail == 0)) {
+		con_log(CL_ANN, (CE_WARN, "ddi_intr_get_navail() failed:"
+		    "ret %d avail %d", ret, avail));
+
+		return (DDI_FAILURE);
+	}
+	con_log(CL_DLEVEL1, (CE_WARN, "drsas_add_intrs: avail = %d ", avail));
+
+	/* Only one interrupt routine. So limit the count to 1 */
+	if (count > 1) {
+		count = 1;
+	}
+
+	/*
+	 * Allocate an array of interrupt handlers. Currently we support
+	 * only one interrupt. The framework can be extended later.
+	 */
+	instance->intr_size = count * sizeof (ddi_intr_handle_t);
+	instance->intr_htable = kmem_zalloc(instance->intr_size, KM_SLEEP);
+	ASSERT(instance->intr_htable);
+
+	flag = ((intr_type == DDI_INTR_TYPE_MSI) || (intr_type ==
+	    DDI_INTR_TYPE_MSIX)) ? DDI_INTR_ALLOC_STRICT:DDI_INTR_ALLOC_NORMAL;
+
+	/* Allocate interrupt */
+	ret = ddi_intr_alloc(dip, instance->intr_htable, intr_type, 0,
+	    count, &actual, flag);
+
+	if ((ret != DDI_SUCCESS) || (actual == 0)) {
+		con_log(CL_ANN, (CE_WARN, "drsas_add_intrs: "
+		    "avail = %d", avail));
+		kmem_free(instance->intr_htable, instance->intr_size);
+		return (DDI_FAILURE);
+	}
+	if (actual < count) {
+		con_log(CL_ANN, (CE_WARN, "drsas_add_intrs: "
+		    "Requested = %d  Received = %d", count, actual));
+	}
+	instance->intr_cnt = actual;
+
+	/*
+	 * Get the priority of the interrupt allocated.
+	 */
+	if ((ret = ddi_intr_get_pri(instance->intr_htable[0],
+	    &instance->intr_pri)) != DDI_SUCCESS) {
+		con_log(CL_ANN, (CE_WARN, "drsas_add_intrs: "
+		    "get priority call failed"));
+
+		for (i = 0; i < actual; i++) {
+			(void) ddi_intr_free(instance->intr_htable[i]);
+		}
+		kmem_free(instance->intr_htable, instance->intr_size);
+		return (DDI_FAILURE);
+	}
+
+	/*
+	 * Test for high level mutex. we don't support them.
+	 */
+	if (instance->intr_pri >= ddi_intr_get_hilevel_pri()) {
+		con_log(CL_ANN, (CE_WARN, "drsas_add_intrs: "
+		    "High level interrupts not supported."));
+
+		for (i = 0; i < actual; i++) {
+			(void) ddi_intr_free(instance->intr_htable[i]);
+		}
+		kmem_free(instance->intr_htable, instance->intr_size);
+		return (DDI_FAILURE);
+	}
+
+	con_log(CL_DLEVEL1, (CE_NOTE, "drsas_add_intrs: intr_pri = 0x%x ",
+	    instance->intr_pri));
+
+	/* Call ddi_intr_add_handler() */
+	for (i = 0; i < actual; i++) {
+		ret = ddi_intr_add_handler(instance->intr_htable[i],
+		    (ddi_intr_handler_t *)drsas_isr, (caddr_t)instance,
+		    (caddr_t)(uintptr_t)i);
+
+		if (ret != DDI_SUCCESS) {
+			con_log(CL_ANN, (CE_WARN, "drsas_add_intrs:"
+			    "failed %d", ret));
+
+			for (i = 0; i < actual; i++) {
+				(void) ddi_intr_free(instance->intr_htable[i]);
+			}
+			kmem_free(instance->intr_htable, instance->intr_size);
+			return (DDI_FAILURE);
+		}
+
+	}
+
+	con_log(CL_DLEVEL1, (CE_WARN, " ddi_intr_add_handler done"));
+
+	if ((ret = ddi_intr_get_cap(instance->intr_htable[0],
+	    &instance->intr_cap)) != DDI_SUCCESS) {
+		con_log(CL_ANN, (CE_WARN, "ddi_intr_get_cap() failed %d",
+		    ret));
+
+		/* Free already allocated intr */
+		for (i = 0; i < actual; i++) {
+			(void) ddi_intr_remove_handler(
+			    instance->intr_htable[i]);
+			(void) ddi_intr_free(instance->intr_htable[i]);
+		}
+		kmem_free(instance->intr_htable, instance->intr_size);
+		return (DDI_FAILURE);
+	}
+
+	if (instance->intr_cap &  DDI_INTR_FLAG_BLOCK) {
+		con_log(CL_ANN, (CE_WARN, "Calling ddi_intr_block _enable"));
+
+		(void) ddi_intr_block_enable(instance->intr_htable,
+		    instance->intr_cnt);
+	} else {
+		con_log(CL_ANN, (CE_NOTE, " calling ddi_intr_enable"));
+
+		for (i = 0; i < instance->intr_cnt; i++) {
+			(void) ddi_intr_enable(instance->intr_htable[i]);
+			con_log(CL_ANN, (CE_NOTE, "ddi intr enable returns "
+			    "%d", i));
+		}
+	}
+
+	return (DDI_SUCCESS);
+
+}
+
+
+static void
+drsas_rem_intrs(struct drsas_instance *instance)
+{
+	int i;
+
+	con_log(CL_ANN, (CE_NOTE, "drsas_rem_intrs called"));
+
+	/* Disable all interrupts first */
+	if (instance->intr_cap & DDI_INTR_FLAG_BLOCK) {
+		(void) ddi_intr_block_disable(instance->intr_htable,
+		    instance->intr_cnt);
+	} else {
+		for (i = 0; i < instance->intr_cnt; i++) {
+			(void) ddi_intr_disable(instance->intr_htable[i]);
+		}
+	}
+
+	/* Remove all the handlers */
+
+	for (i = 0; i < instance->intr_cnt; i++) {
+		(void) ddi_intr_remove_handler(instance->intr_htable[i]);
+		(void) ddi_intr_free(instance->intr_htable[i]);
+	}
+
+	kmem_free(instance->intr_htable, instance->intr_size);
+}
+
+static int
+drsas_tran_bus_config(dev_info_t *parent, uint_t flags,
+    ddi_bus_config_op_t op, void *arg, dev_info_t **childp)
+{
+	struct drsas_instance *instance;
+	int config;
+	int rval;
+
+	char *ptr = NULL;
+	int tgt, lun;
+
+	con_log(CL_ANN1, (CE_NOTE, "Bus config called for op = %x", op));
+
+	if ((instance = ddi_get_soft_state(drsas_state,
+	    ddi_get_instance(parent))) == NULL) {
+		return (NDI_FAILURE);
+	}
+
+	/* Hold nexus during bus_config */
+	ndi_devi_enter(parent, &config);
+	switch (op) {
+	case BUS_CONFIG_ONE: {
+
+		/* parse wwid/target name out of name given */
+		if ((ptr = strchr((char *)arg, '@')) == NULL) {
+			rval = NDI_FAILURE;
+			break;
+		}
+		ptr++;
+
+		if (drsas_parse_devname(arg, &tgt, &lun) != 0) {
+			rval = NDI_FAILURE;
+			break;
+		}
+
+		if (lun == 0) {
+			rval = drsas_config_ld(instance, tgt, lun, childp);
+		} else {
+			rval = NDI_FAILURE;
+		}
+
+		break;
+	}
+	case BUS_CONFIG_DRIVER:
+	case BUS_CONFIG_ALL: {
+
+		rval = drsas_config_all_devices(instance);
+
+		rval = NDI_SUCCESS;
+		break;
+	}
+	}
+
+	if (rval == NDI_SUCCESS) {
+		rval = ndi_busop_bus_config(parent, flags, op, arg, childp, 0);
+
+	}
+	ndi_devi_exit(parent, config);
+
+	con_log(CL_ANN1, (CE_NOTE, "drsas_tran_bus_config: rval = %x",
+	    rval));
+	return (rval);
+}
+
+static int
+drsas_config_all_devices(struct drsas_instance *instance)
+{
+	int rval, tgt;
+
+	for (tgt = 0; tgt < MRDRV_MAX_LD; tgt++) {
+		(void) drsas_config_ld(instance, tgt, 0, NULL);
+
+	}
+
+	rval = NDI_SUCCESS;
+	return (rval);
+}
+
+static int
+drsas_parse_devname(char *devnm, int *tgt, int *lun)
+{
+	char devbuf[SCSI_MAXNAMELEN];
+	char *addr;
+	char *p,  *tp, *lp;
+	long num;
+
+	/* Parse dev name and address */
+	(void) strcpy(devbuf, devnm);
+	addr = "";
+	for (p = devbuf; *p != '\0'; p++) {
+		if (*p == '@') {
+			addr = p + 1;
+			*p = '\0';
+		} else if (*p == ':') {
+			*p = '\0';
+			break;
+		}
+	}
+
+	/* Parse target and lun */
+	for (p = tp = addr, lp = NULL; *p != '\0'; p++) {
+		if (*p == ',') {
+			lp = p + 1;
+			*p = '\0';
+			break;
+		}
+	}
+	if (tgt && tp) {
+		if (ddi_strtol(tp, NULL, 0x10, &num)) {
+			return (DDI_FAILURE); /* Can declare this as constant */
+		}
+			*tgt = (int)num;
+	}
+	if (lun && lp) {
+		if (ddi_strtol(lp, NULL, 0x10, &num)) {
+			return (DDI_FAILURE);
+		}
+			*lun = (int)num;
+	}
+	return (DDI_SUCCESS);  /* Success case */
+}
+
+static int
+drsas_config_ld(struct drsas_instance *instance, uint16_t tgt,
+    uint8_t lun, dev_info_t **ldip)
+{
+	struct scsi_device *sd;
+	dev_info_t *child;
+	int rval;
+
+	con_log(CL_ANN1, (CE_NOTE, "drsas_config_ld: t = %d l = %d",
+	    tgt, lun));
+
+	if ((child = drsas_find_child(instance, tgt, lun)) != NULL) {
+		if (ldip) {
+			*ldip = child;
+		}
+		con_log(CL_ANN1, (CE_NOTE,
+		    "drsas_config_ld: Child = %p found t = %d l = %d",
+		    (void *)child, tgt, lun));
+		return (NDI_SUCCESS);
+	}
+
+	sd = kmem_zalloc(sizeof (struct scsi_device), KM_SLEEP);
+	sd->sd_address.a_hba_tran = instance->tran;
+	sd->sd_address.a_target = (uint16_t)tgt;
+	sd->sd_address.a_lun = (uint8_t)lun;
+
+	if (scsi_hba_probe(sd, NULL) == SCSIPROBE_EXISTS)
+		rval = drsas_config_scsi_device(instance, sd, ldip);
+	else
+		rval = NDI_FAILURE;
+
+	/* sd_unprobe is blank now. Free buffer manually */
+	if (sd->sd_inq) {
+		kmem_free(sd->sd_inq, SUN_INQSIZE);
+		sd->sd_inq = (struct scsi_inquiry *)NULL;
+	}
+
+	kmem_free(sd, sizeof (struct scsi_device));
+	con_log(CL_ANN1, (CE_NOTE, "drsas_config_ld: return rval = %d",
+	    rval));
+	return (rval);
+}
+
+static int
+drsas_config_scsi_device(struct drsas_instance *instance,
+    struct scsi_device *sd, dev_info_t **dipp)
+{
+	char *nodename = NULL;
+	char **compatible = NULL;
+	int ncompatible = 0;
+	char *childname;
+	dev_info_t *ldip = NULL;
+	int tgt = sd->sd_address.a_target;
+	int lun = sd->sd_address.a_lun;
+	int dtype = sd->sd_inq->inq_dtype & DTYPE_MASK;
+	int rval;
+
+	con_log(CL_ANN1, (CE_WARN, "dr_sas: scsi_device t%dL%d", tgt, lun));
+	scsi_hba_nodename_compatible_get(sd->sd_inq, NULL, dtype,
+	    NULL, &nodename, &compatible, &ncompatible);
+
+	if (nodename == NULL) {
+		con_log(CL_ANN1, (CE_WARN, "dr_sas: Found no compatible driver "
+		    "for t%dL%d", tgt, lun));
+		rval = NDI_FAILURE;
+		goto finish;
+	}
+
+	childname = (dtype == DTYPE_DIRECT) ? "sd" : nodename;
+	con_log(CL_ANN1, (CE_WARN,
+	    "dr_sas: Childname = %2s nodename = %s", childname, nodename));
+
+	/* Create a dev node */
+	rval = ndi_devi_alloc(instance->dip, childname, DEVI_SID_NODEID, &ldip);
+	con_log(CL_ANN1, (CE_WARN,
+	    "dr_sas_config_scsi_device: ndi_devi_alloc rval = %x", rval));
+	if (rval == NDI_SUCCESS) {
+		if (ndi_prop_update_int(DDI_DEV_T_NONE, ldip, "target", tgt) !=
+		    DDI_PROP_SUCCESS) {
+			con_log(CL_ANN1, (CE_WARN, "dr_sas: unable to create "
+			    "property for t%dl%d target", tgt, lun));
+			rval = NDI_FAILURE;
+			goto finish;
+		}
+		if (ndi_prop_update_int(DDI_DEV_T_NONE, ldip, "lun", lun) !=
+		    DDI_PROP_SUCCESS) {
+			con_log(CL_ANN1, (CE_WARN, "dr_sas: unable to create "
+			    "property for t%dl%d lun", tgt, lun));
+			rval = NDI_FAILURE;
+			goto finish;
+		}
+
+		if (ndi_prop_update_string_array(DDI_DEV_T_NONE, ldip,
+		    "compatible", compatible, ncompatible) !=
+		    DDI_PROP_SUCCESS) {
+			con_log(CL_ANN1, (CE_WARN, "dr_sas: unable to create "
+			    "property for t%dl%d compatible", tgt, lun));
+			rval = NDI_FAILURE;
+			goto finish;
+		}
+
+		rval = ndi_devi_online(ldip, NDI_ONLINE_ATTACH);
+		if (rval != NDI_SUCCESS) {
+			con_log(CL_ANN1, (CE_WARN, "dr_sas: unable to online "
+			    "t%dl%d", tgt, lun));
+			ndi_prop_remove_all(ldip);
+			(void) ndi_devi_free(ldip);
+		} else {
+			con_log(CL_ANN1, (CE_WARN, "dr_sas: online Done :"
+			    "0 t%dl%d", tgt, lun));
+		}
+
+	}
+finish:
+	if (dipp) {
+		*dipp = ldip;
+	}
+
+	con_log(CL_DLEVEL1, (CE_WARN,
+	    "dr_sas: config_scsi_device rval = %d t%dL%d",
+	    rval, tgt, lun));
+	scsi_hba_nodename_compatible_free(nodename, compatible);
+	return (rval);
+}
+
+/*ARGSUSED*/
+static int
+drsas_service_evt(struct drsas_instance *instance, int tgt, int lun, int event,
+    uint64_t wwn)
+{
+	struct drsas_eventinfo *mrevt = NULL;
+
+	con_log(CL_ANN1, (CE_NOTE,
+	    "drsas_service_evt called for t%dl%d event = %d",
+	    tgt, lun, event));
+
+	if ((instance->taskq == NULL) || (mrevt =
+	    kmem_zalloc(sizeof (struct drsas_eventinfo), KM_NOSLEEP)) == NULL) {
+		return (ENOMEM);
+	}
+
+	mrevt->instance = instance;
+	mrevt->tgt = tgt;
+	mrevt->lun = lun;
+	mrevt->event = event;
+
+	if ((ddi_taskq_dispatch(instance->taskq,
+	    (void (*)(void *))drsas_issue_evt_taskq, mrevt, DDI_NOSLEEP)) !=
+	    DDI_SUCCESS) {
+		con_log(CL_ANN1, (CE_NOTE,
+		    "dr_sas: Event task failed for t%dl%d event = %d",
+		    tgt, lun, event));
+		kmem_free(mrevt, sizeof (struct drsas_eventinfo));
+		return (DDI_FAILURE);
+	}
+	return (DDI_SUCCESS);
+}
+
+static void
+drsas_issue_evt_taskq(struct drsas_eventinfo *mrevt)
+{
+	struct drsas_instance *instance = mrevt->instance;
+	dev_info_t *dip, *pdip;
+	int circ1 = 0;
+	char *devname;
+
+	con_log(CL_ANN1, (CE_NOTE, "drsas_issue_evt_taskq: called for"
+	    " tgt %d lun %d event %d",
+	    mrevt->tgt, mrevt->lun, mrevt->event));
+
+	if (mrevt->tgt < MRDRV_MAX_LD && mrevt->lun == 0) {
+		dip = instance->dr_ld_list[mrevt->tgt].dip;
+	} else {
+		return;
+	}
+
+	ndi_devi_enter(instance->dip, &circ1);
+	switch (mrevt->event) {
+	case DRSAS_EVT_CONFIG_TGT:
+		if (dip == NULL) {
+
+			if (mrevt->lun == 0) {
+				(void) drsas_config_ld(instance, mrevt->tgt,
+				    0, NULL);
+			}
+			con_log(CL_ANN1, (CE_NOTE,
+			    "dr_sas: EVT_CONFIG_TGT called:"
+			    " for tgt %d lun %d event %d",
+			    mrevt->tgt, mrevt->lun, mrevt->event));
+
+		} else {
+			con_log(CL_ANN1, (CE_NOTE,
+			    "dr_sas: EVT_CONFIG_TGT dip != NULL:"
+			    " for tgt %d lun %d event %d",
+			    mrevt->tgt, mrevt->lun, mrevt->event));
+		}
+		break;
+	case DRSAS_EVT_UNCONFIG_TGT:
+		if (dip) {
+			if (i_ddi_devi_attached(dip)) {
+
+				pdip = ddi_get_parent(dip);
+
+				devname = kmem_zalloc(MAXNAMELEN + 1, KM_SLEEP);
+				(void) ddi_deviname(dip, devname);
+
+				(void) devfs_clean(pdip, devname + 1,
+				    DV_CLEAN_FORCE);
+				kmem_free(devname, MAXNAMELEN + 1);
+			}
+			(void) ndi_devi_offline(dip, NDI_DEVI_REMOVE);
+			con_log(CL_ANN1, (CE_NOTE,
+			    "dr_sas: EVT_UNCONFIG_TGT called:"
+			    " for tgt %d lun %d event %d",
+			    mrevt->tgt, mrevt->lun, mrevt->event));
+		} else {
+			con_log(CL_ANN1, (CE_NOTE,
+			    "dr_sas: EVT_UNCONFIG_TGT dip == NULL:"
+			    " for tgt %d lun %d event %d",
+			    mrevt->tgt, mrevt->lun, mrevt->event));
+		}
+		break;
+	}
+	kmem_free(mrevt, sizeof (struct drsas_eventinfo));
+	ndi_devi_exit(instance->dip, circ1);
+}
+
+static int
+drsas_mode_sense_build(struct scsi_pkt *pkt)
+{
+	union scsi_cdb		*cdbp;
+	uint16_t 		page_code;
+	struct scsa_cmd		*acmd;
+	struct buf		*bp;
+	struct mode_header	*modehdrp;
+
+	cdbp = (void *)pkt->pkt_cdbp;
+	page_code = cdbp->cdb_un.sg.scsi[0];
+	acmd = PKT2CMD(pkt);
+	bp = acmd->cmd_buf;
+	if ((!bp) && bp->b_un.b_addr && bp->b_bcount && acmd->cmd_dmacount) {
+		con_log(CL_ANN1, (CE_WARN, "Failing MODESENSE Command"));
+		/* ADD pkt statistics as Command failed. */
+		return (NULL);
+	}
+
+	bp_mapin(bp);
+	bzero(bp->b_un.b_addr, bp->b_bcount);
+
+	switch (page_code) {
+		case 0x3: {
+			struct mode_format *page3p = NULL;
+			modehdrp = (struct mode_header *)(bp->b_un.b_addr);
+			modehdrp->bdesc_length = MODE_BLK_DESC_LENGTH;
+
+			page3p = (void *)((caddr_t)modehdrp +
+			    MODE_HEADER_LENGTH + MODE_BLK_DESC_LENGTH);
+			page3p->mode_page.code = 0x3;
+			page3p->mode_page.length =
+			    (uchar_t)(sizeof (struct mode_format));
+			page3p->data_bytes_sect = 512;
+			page3p->sect_track = 63;
+			break;
+		}
+		case 0x4: {
+			struct mode_geometry *page4p = NULL;
+			modehdrp = (struct mode_header *)(bp->b_un.b_addr);
+			modehdrp->bdesc_length = MODE_BLK_DESC_LENGTH;
+
+			page4p = (void *)((caddr_t)modehdrp +
+			    MODE_HEADER_LENGTH + MODE_BLK_DESC_LENGTH);
+			page4p->mode_page.code = 0x4;
+			page4p->mode_page.length =
+			    (uchar_t)(sizeof (struct mode_geometry));
+			page4p->heads = 255;
+			page4p->rpm = 10000;
+			break;
+		}
+		default:
+			break;
+	}
+	return (NULL);
+}
diff --git a/usr/src/uts/common/io/dr_sas/dr_sas.conf b/usr/src/uts/common/io/dr_sas/dr_sas.conf
new file mode 100644
index 0000000000..3792f43ca4
--- /dev/null
+++ b/usr/src/uts/common/io/dr_sas/dr_sas.conf
@@ -0,0 +1,15 @@
+#
+# Copyright (c) 2008-2009, LSI Logic Corporation.
+# All rights reserved.
+#
+# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# dr_sas.conf for sol 10 (and later) for all supported architectures
+#
+# global definitions
+
+# MSI specific flag. user can uncomment this line and set flag "yes" to enable MSI
+#drsas-enable-msi="yes";
diff --git a/usr/src/uts/common/io/dr_sas/dr_sas.h b/usr/src/uts/common/io/dr_sas/dr_sas.h
new file mode 100644
index 0000000000..8f78658edf
--- /dev/null
+++ b/usr/src/uts/common/io/dr_sas/dr_sas.h
@@ -0,0 +1,1766 @@
+/*
+ * dr_sas.h: header for dr_sas
+ *
+ * Solaris MegaRAID driver for SAS2.0 controllers
+ * Copyright (c) 2008-2009, LSI Logic Corporation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the author nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_DR_SAS_H_
+#define	_DR_SAS_H_
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#include <sys/scsi/scsi.h>
+#include "dr_sas_list.h"
+
+/*
+ * MegaRAID SAS2.0 Driver meta data
+ */
+#define	DRSAS_VERSION				"LSIv2.0"
+#define	DRSAS_RELDATE				"Jan 9, 2009"
+
+#define	DRSAS_TRUE				1
+#define	DRSAS_FALSE				0
+
+/*
+ * MegaRAID SAS2.0 device id conversion definitions.
+ */
+#define	INST2LSIRDCTL(x)		((x) << INST_MINOR_SHIFT)
+
+/*
+ * MegaRAID SAS2.0 supported controllers
+ */
+#define	PCI_DEVICE_ID_LSI_2108VDE		0x0078
+#define	PCI_DEVICE_ID_LSI_2108V			0x0079
+
+/*
+ * Register Index for 2108 Controllers.
+ */
+#define	REGISTER_SET_IO_2108			(2)
+
+#define	DRSAS_MAX_SGE_CNT			0x50
+
+#define	DRSAS_IOCTL_DRIVER			0x12341234
+#define	DRSAS_IOCTL_FIRMWARE			0x12345678
+#define	DRSAS_IOCTL_AEN				0x87654321
+
+#define	DRSAS_1_SECOND				1000000
+
+/* Dynamic Enumeration Flags */
+#define	DRSAS_PD_LUN		1
+#define	DRSAS_LD_LUN		0
+#define	DRSAS_PD_TGT_MAX	255
+#define	DRSAS_GET_PD_MAX(s)	((s)->dr_pd_max)
+#define	WWN_STRLEN		17
+
+/*
+ * =====================================
+ * MegaRAID SAS2.0 MFI firmware definitions
+ * =====================================
+ */
+/*
+ * MFI stands for  MegaRAID SAS2.0 FW Interface. This is just a moniker for
+ * protocol between the software and firmware. Commands are issued using
+ * "message frames"
+ */
+
+/*
+ * FW posts its state in upper 4 bits of outbound_msg_0 register
+ */
+#define	MFI_STATE_SHIFT 			28
+#define	MFI_STATE_MASK				((uint32_t)0xF<<MFI_STATE_SHIFT)
+#define	MFI_STATE_UNDEFINED			((uint32_t)0x0<<MFI_STATE_SHIFT)
+#define	MFI_STATE_BB_INIT			((uint32_t)0x1<<MFI_STATE_SHIFT)
+#define	MFI_STATE_FW_INIT			((uint32_t)0x4<<MFI_STATE_SHIFT)
+#define	MFI_STATE_WAIT_HANDSHAKE		((uint32_t)0x6<<MFI_STATE_SHIFT)
+#define	MFI_STATE_FW_INIT_2			((uint32_t)0x7<<MFI_STATE_SHIFT)
+#define	MFI_STATE_DEVICE_SCAN			((uint32_t)0x8<<MFI_STATE_SHIFT)
+#define	MFI_STATE_BOOT_MESSAGE_PENDING		((uint32_t)0x9<<MFI_STATE_SHIFT)
+#define	MFI_STATE_FLUSH_CACHE			((uint32_t)0xA<<MFI_STATE_SHIFT)
+#define	MFI_STATE_READY				((uint32_t)0xB<<MFI_STATE_SHIFT)
+#define	MFI_STATE_OPERATIONAL			((uint32_t)0xC<<MFI_STATE_SHIFT)
+#define	MFI_STATE_FAULT				((uint32_t)0xF<<MFI_STATE_SHIFT)
+
+#define	MRMFI_FRAME_SIZE			64
+
+/*
+ * During FW init, clear pending cmds & reset state using inbound_msg_0
+ *
+ * ABORT	: Abort all pending cmds
+ * READY	: Move from OPERATIONAL to READY state; discard queue info
+ * MFIMODE	: Discard (possible) low MFA posted in 64-bit mode (??)
+ * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver
+ */
+#define	MFI_INIT_ABORT				0x00000001
+#define	MFI_INIT_READY				0x00000002
+#define	MFI_INIT_MFIMODE			0x00000004
+#define	MFI_INIT_CLEAR_HANDSHAKE		0x00000008
+#define	MFI_INIT_HOTPLUG			0x00000010
+#define	MFI_STOP_ADP				0x00000020
+#define	MFI_RESET_FLAGS		MFI_INIT_READY|MFI_INIT_MFIMODE|MFI_INIT_ABORT
+
+/*
+ * MFI frame flags
+ */
+#define	MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
+#define	MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
+#define	MFI_FRAME_SGL32				0x0000
+#define	MFI_FRAME_SGL64				0x0002
+#define	MFI_FRAME_SENSE32			0x0000
+#define	MFI_FRAME_SENSE64			0x0004
+#define	MFI_FRAME_DIR_NONE			0x0000
+#define	MFI_FRAME_DIR_WRITE			0x0008
+#define	MFI_FRAME_DIR_READ			0x0010
+#define	MFI_FRAME_DIR_BOTH			0x0018
+
+/*
+ * Definition for cmd_status
+ */
+#define	MFI_CMD_STATUS_POLL_MODE		0xFF
+#define	MFI_CMD_STATUS_SYNC_MODE		0xFF
+
+/*
+ * MFI command opcodes
+ */
+#define	MFI_CMD_OP_INIT				0x00
+#define	MFI_CMD_OP_LD_READ			0x01
+#define	MFI_CMD_OP_LD_WRITE			0x02
+#define	MFI_CMD_OP_LD_SCSI			0x03
+#define	MFI_CMD_OP_PD_SCSI			0x04
+#define	MFI_CMD_OP_DCMD				0x05
+#define	MFI_CMD_OP_ABORT			0x06
+#define	MFI_CMD_OP_SMP				0x07
+#define	MFI_CMD_OP_STP				0x08
+
+#define	DR_DCMD_CTRL_GET_INFO			0x01010000
+
+#define	DR_DCMD_CTRL_CACHE_FLUSH		0x01101000
+#define	DR_FLUSH_CTRL_CACHE			0x01
+#define	DR_FLUSH_DISK_CACHE			0x02
+
+#define	DR_DCMD_CTRL_SHUTDOWN			0x01050000
+#define	DRSAS_ENABLE_DRIVE_SPINDOWN		0x01
+
+#define	DR_DCMD_CTRL_EVENT_GET_INFO		0x01040100
+#define	DR_DCMD_CTRL_EVENT_GET			0x01040300
+#define	DR_DCMD_CTRL_EVENT_WAIT			0x01040500
+#define	DR_DCMD_LD_GET_PROPERTIES		0x03030000
+#define	DR_DCMD_PD_GET_INFO			0x02020000
+
+/*
+ * Solaris Specific MAX values
+ */
+#define	MAX_SGL					24
+/*
+ * MFI command completion codes
+ */
+enum MFI_STAT {
+	MFI_STAT_OK				= 0x00,
+	MFI_STAT_INVALID_CMD			= 0x01,
+	MFI_STAT_INVALID_DCMD			= 0x02,
+	MFI_STAT_INVALID_PARAMETER		= 0x03,
+	MFI_STAT_INVALID_SEQUENCE_NUMBER	= 0x04,
+	MFI_STAT_ABORT_NOT_POSSIBLE		= 0x05,
+	MFI_STAT_APP_HOST_CODE_NOT_FOUND	= 0x06,
+	MFI_STAT_APP_IN_USE			= 0x07,
+	MFI_STAT_APP_NOT_INITIALIZED		= 0x08,
+	MFI_STAT_ARRAY_INDEX_INVALID		= 0x09,
+	MFI_STAT_ARRAY_ROW_NOT_EMPTY		= 0x0a,
+	MFI_STAT_CONFIG_RESOURCE_CONFLICT	= 0x0b,
+	MFI_STAT_DEVICE_NOT_FOUND		= 0x0c,
+	MFI_STAT_DRIVE_TOO_SMALL		= 0x0d,
+	MFI_STAT_FLASH_ALLOC_FAIL		= 0x0e,
+	MFI_STAT_FLASH_BUSY			= 0x0f,
+	MFI_STAT_FLASH_ERROR			= 0x10,
+	MFI_STAT_FLASH_IMAGE_BAD		= 0x11,
+	MFI_STAT_FLASH_IMAGE_INCOMPLETE		= 0x12,
+	MFI_STAT_FLASH_NOT_OPEN			= 0x13,
+	MFI_STAT_FLASH_NOT_STARTED		= 0x14,
+	MFI_STAT_FLUSH_FAILED			= 0x15,
+	MFI_STAT_HOST_CODE_NOT_FOUNT		= 0x16,
+	MFI_STAT_LD_CC_IN_PROGRESS		= 0x17,
+	MFI_STAT_LD_INIT_IN_PROGRESS		= 0x18,
+	MFI_STAT_LD_LBA_OUT_OF_RANGE		= 0x19,
+	MFI_STAT_LD_MAX_CONFIGURED		= 0x1a,
+	MFI_STAT_LD_NOT_OPTIMAL			= 0x1b,
+	MFI_STAT_LD_RBLD_IN_PROGRESS		= 0x1c,
+	MFI_STAT_LD_RECON_IN_PROGRESS		= 0x1d,
+	MFI_STAT_LD_WRONG_RAID_LEVEL		= 0x1e,
+	MFI_STAT_MAX_SPARES_EXCEEDED		= 0x1f,
+	MFI_STAT_MEMORY_NOT_AVAILABLE		= 0x20,
+	MFI_STAT_MFC_HW_ERROR			= 0x21,
+	MFI_STAT_NO_HW_PRESENT			= 0x22,
+	MFI_STAT_NOT_FOUND			= 0x23,
+	MFI_STAT_NOT_IN_ENCL			= 0x24,
+	MFI_STAT_PD_CLEAR_IN_PROGRESS		= 0x25,
+	MFI_STAT_PD_TYPE_WRONG			= 0x26,
+	MFI_STAT_PR_DISABLED			= 0x27,
+	MFI_STAT_ROW_INDEX_INVALID		= 0x28,
+	MFI_STAT_SAS_CONFIG_INVALID_ACTION	= 0x29,
+	MFI_STAT_SAS_CONFIG_INVALID_DATA	= 0x2a,
+	MFI_STAT_SAS_CONFIG_INVALID_PAGE	= 0x2b,
+	MFI_STAT_SAS_CONFIG_INVALID_TYPE	= 0x2c,
+	MFI_STAT_SCSI_DONE_WITH_ERROR		= 0x2d,
+	MFI_STAT_SCSI_IO_FAILED			= 0x2e,
+	MFI_STAT_SCSI_RESERVATION_CONFLICT	= 0x2f,
+	MFI_STAT_SHUTDOWN_FAILED		= 0x30,
+	MFI_STAT_TIME_NOT_SET			= 0x31,
+	MFI_STAT_WRONG_STATE			= 0x32,
+	MFI_STAT_LD_OFFLINE			= 0x33,
+	/* UNUSED: 0x34 to 0xfe */
+	MFI_STAT_INVALID_STATUS			= 0xFF
+};
+
+enum DR_EVT_CLASS {
+	DR_EVT_CLASS_DEBUG		= -2,
+	DR_EVT_CLASS_PROGRESS		= -1,
+	DR_EVT_CLASS_INFO		=  0,
+	DR_EVT_CLASS_WARNING		=  1,
+	DR_EVT_CLASS_CRITICAL		=  2,
+	DR_EVT_CLASS_FATAL		=  3,
+	DR_EVT_CLASS_DEAD		=  4
+};
+
+enum DR_EVT_LOCALE {
+	DR_EVT_LOCALE_LD		= 0x0001,
+	DR_EVT_LOCALE_PD		= 0x0002,
+	DR_EVT_LOCALE_ENCL		= 0x0004,
+	DR_EVT_LOCALE_BBU		= 0x0008,
+	DR_EVT_LOCALE_SAS		= 0x0010,
+	DR_EVT_LOCALE_CTRL		= 0x0020,
+	DR_EVT_LOCALE_CONFIG		= 0x0040,
+	DR_EVT_LOCALE_CLUSTER		= 0x0080,
+	DR_EVT_LOCALE_ALL		= 0xffff
+};
+
+#define	DR_EVT_CFG_CLEARED		0x0004
+#define	DR_EVT_LD_CREATED		0x008a
+#define	DR_EVT_LD_DELETED		0x008b
+#define	DR_EVT_PD_REMOVED_EXT		0x00f8
+#define	DR_EVT_PD_INSERTED_EXT		0x00f7
+
+enum LD_STATE {
+	LD_OFFLINE		= 0,
+	LD_PARTIALLY_DEGRADED	= 1,
+	LD_DEGRADED		= 2,
+	LD_OPTIMAL		= 3,
+	LD_INVALID		= 0xFF
+};
+
+enum DRSAS_EVT {
+	DRSAS_EVT_CONFIG_TGT	= 0,
+	DRSAS_EVT_UNCONFIG_TGT	= 1,
+	DRSAS_EVT_UNCONFIG_SMP	= 2
+};
+
+#define	DMA_OBJ_ALLOCATED	1
+#define	DMA_OBJ_REALLOCATED	2
+#define	DMA_OBJ_FREED		3
+
+/*
+ * dma_obj_t	- Our DMA object
+ * @param buffer	: kernel virtual address
+ * @param size		: size of the data to be allocated
+ * @param acc_handle	: access handle
+ * @param dma_handle	: dma handle
+ * @param dma_cookie	: scatter-gather list
+ * @param dma_attr	: dma attributes for this buffer
+ * Our DMA object. The caller must initialize the size and dma attributes
+ * (dma_attr) fields before allocating the resources.
+ */
+typedef struct {
+	caddr_t			buffer;
+	uint32_t		size;
+	ddi_acc_handle_t	acc_handle;
+	ddi_dma_handle_t	dma_handle;
+	ddi_dma_cookie_t	dma_cookie[DRSAS_MAX_SGE_CNT];
+	ddi_dma_attr_t		dma_attr;
+	uint8_t			status;
+	uint8_t			reserved[3];
+} dma_obj_t;
+
+struct drsas_eventinfo {
+	struct drsas_instance	*instance;
+	int 			tgt;
+	int 			lun;
+	int 			event;
+};
+
+struct drsas_ld {
+	dev_info_t		*dip;
+	uint8_t 		lun_type;
+	uint8_t 		reserved[3];
+};
+
+struct drsas_pd {
+	dev_info_t		*dip;
+	uint8_t 		lun_type;
+	uint8_t 		dev_id;
+	uint8_t 		flags;
+	uint8_t 		reserved;
+};
+
+struct drsas_pd_info {
+	uint16_t	deviceId;
+	uint16_t	seqNum;
+	uint8_t		inquiryData[96];
+	uint8_t		vpdPage83[64];
+	uint8_t		notSupported;
+	uint8_t		scsiDevType;
+	uint8_t		a;
+	uint8_t		device_speed;
+	uint32_t	mediaerrcnt;
+	uint32_t	other;
+	uint32_t	pred;
+	uint32_t	lastpred;
+	uint16_t	fwState;
+	uint8_t		disabled;
+	uint8_t		linkspwwd;
+	uint32_t	ddfType;
+	struct {
+		uint8_t	count;
+		uint8_t	isPathBroken;
+		uint8_t	connectorIndex[2];
+		uint8_t	reserved[4];
+		uint64_t sasAddr[2];
+		uint8_t	reserved2[16];
+	} pathInfo;
+};
+
+typedef struct drsas_instance {
+	uint32_t	*producer;
+	uint32_t	*consumer;
+
+	uint32_t	*reply_queue;
+	dma_obj_t	mfi_internal_dma_obj;
+
+	uint8_t		init_id;
+	uint8_t		reserved[3];
+
+	uint16_t	max_num_sge;
+	uint16_t	max_fw_cmds;
+	uint32_t	max_sectors_per_req;
+
+	struct drsas_cmd **cmd_list;
+
+	mlist_t		cmd_pool_list;
+	kmutex_t	cmd_pool_mtx;
+
+	mlist_t		cmd_pend_list;
+	kmutex_t	cmd_pend_mtx;
+
+	dma_obj_t	mfi_evt_detail_obj;
+	struct drsas_cmd *aen_cmd;
+
+	uint32_t	aen_seq_num;
+	uint32_t	aen_class_locale_word;
+
+	scsi_hba_tran_t		*tran;
+
+	kcondvar_t	int_cmd_cv;
+	kmutex_t	int_cmd_mtx;
+
+	kcondvar_t	aen_cmd_cv;
+	kmutex_t	aen_cmd_mtx;
+
+	kcondvar_t	abort_cmd_cv;
+	kmutex_t	abort_cmd_mtx;
+
+	dev_info_t		*dip;
+	ddi_acc_handle_t	pci_handle;
+
+	timeout_id_t	timeout_id;
+	uint32_t	unique_id;
+	uint16_t	fw_outstanding;
+	caddr_t		regmap;
+	ddi_acc_handle_t	regmap_handle;
+	uint8_t		isr_level;
+	ddi_iblock_cookie_t	iblock_cookie;
+	ddi_iblock_cookie_t	soft_iblock_cookie;
+	ddi_softintr_t		soft_intr_id;
+	uint8_t		softint_running;
+	kmutex_t	completed_pool_mtx;
+	mlist_t		completed_pool_list;
+
+	caddr_t		internal_buf;
+	uint32_t	internal_buf_dmac_add;
+	uint32_t	internal_buf_size;
+
+	uint16_t	vendor_id;
+	uint16_t	device_id;
+	uint16_t	subsysvid;
+	uint16_t	subsysid;
+	int		instance;
+	int		baseaddress;
+	char		iocnode[16];
+
+	int		fm_capabilities;
+
+	struct drsas_func_ptr *func_ptr;
+	/* MSI interrupts specific */
+	ddi_intr_handle_t *intr_htable;
+	int		intr_type;
+	int		intr_cnt;
+	size_t		intr_size;
+	uint_t		intr_pri;
+	int		intr_cap;
+
+	ddi_taskq_t	*taskq;
+	struct drsas_ld	*dr_ld_list;
+} drsas_t;
+
+struct drsas_func_ptr {
+	int (*read_fw_status_reg)(struct drsas_instance *);
+	void (*issue_cmd)(struct drsas_cmd *, struct drsas_instance *);
+	int (*issue_cmd_in_sync_mode)(struct drsas_instance *,
+	    struct drsas_cmd *);
+	int (*issue_cmd_in_poll_mode)(struct drsas_instance *,
+	    struct drsas_cmd *);
+	void (*enable_intr)(struct drsas_instance *);
+	void (*disable_intr)(struct drsas_instance *);
+	int (*intr_ack)(struct drsas_instance *);
+};
+
+/*
+ * ### Helper routines ###
+ */
+
+/*
+ * con_log() - console log routine
+ * @param level		: indicates the severity of the message.
+ * @fparam mt		: format string
+ *
+ * con_log displays the error messages on the console based on the current
+ * debug level. Also it attaches the appropriate kernel severity level with
+ * the message.
+ *
+ *
+ * console messages debug levels
+ */
+#define	CL_NONE		0	/* No debug information */
+#define	CL_ANN		1	/* print unconditionally, announcements */
+#define	CL_ANN1		2	/* No o/p  */
+#define	CL_DLEVEL1	3	/* debug level 1, informative */
+#define	CL_DLEVEL2	4	/* debug level 2, verbose */
+#define	CL_DLEVEL3	5	/* debug level 3, very verbose */
+
+#ifdef __SUNPRO_C
+#define	__func__ ""
+#endif
+
+#define	con_log(level, fmt) { if (debug_level_g >= level) cmn_err fmt; }
+
+/*
+ * ### SCSA definitions ###
+ */
+#define	PKT2TGT(pkt)	((pkt)->pkt_address.a_target)
+#define	PKT2LUN(pkt)	((pkt)->pkt_address.a_lun)
+#define	PKT2TRAN(pkt)	((pkt)->pkt_adress.a_hba_tran)
+#define	ADDR2TRAN(ap)	((ap)->a_hba_tran)
+
+#define	TRAN2MR(tran)	(struct drsas_instance *)(tran)->tran_hba_private)
+#define	ADDR2MR(ap)	(TRAN2MR(ADDR2TRAN(ap))
+
+#define	PKT2CMD(pkt)	((struct scsa_cmd *)(pkt)->pkt_ha_private)
+#define	CMD2PKT(sp)	((sp)->cmd_pkt)
+#define	PKT2REQ(pkt)	(&(PKT2CMD(pkt)->request))
+
+#define	CMD2ADDR(cmd)	(&CMD2PKT(cmd)->pkt_address)
+#define	CMD2TRAN(cmd)	(CMD2PKT(cmd)->pkt_address.a_hba_tran)
+#define	CMD2MR(cmd)	(TRAN2MR(CMD2TRAN(cmd)))
+
+#define	CFLAG_DMAVALID		0x0001	/* requires a dma operation */
+#define	CFLAG_DMASEND		0x0002	/* Transfer from the device */
+#define	CFLAG_CONSISTENT	0x0040	/* consistent data transfer */
+
+/*
+ * ### Data structures for ioctl inteface and internal commands ###
+ */
+
+/*
+ * Data direction flags
+ */
+#define	UIOC_RD		0x00001
+#define	UIOC_WR		0x00002
+
+#define	SCP2HOST(scp)		(scp)->device->host	/* to host */
+#define	SCP2HOSTDATA(scp)	SCP2HOST(scp)->hostdata	/* to soft state */
+#define	SCP2CHANNEL(scp)	(scp)->device->channel	/* to channel */
+#define	SCP2TARGET(scp)		(scp)->device->id	/* to target */
+#define	SCP2LUN(scp)		(scp)->device->lun	/* to LUN */
+
+#define	SCSIHOST2ADAP(host)	(((caddr_t *)(host->hostdata))[0])
+#define	SCP2ADAPTER(scp)				\
+	(struct drsas_instance *)SCSIHOST2ADAP(SCP2HOST(scp))
+
+#define	MRDRV_IS_LOGICAL_SCSA(instance, acmd)		\
+	(acmd->device_id < MRDRV_MAX_LD) ? 1 : 0
+#define	MRDRV_IS_LOGICAL(ap)				\
+	((ap->a_target < MRDRV_MAX_LD) && (ap->a_lun == 0)) ? 1 : 0
+#define	MAP_DEVICE_ID(instance, ap)			\
+	(ap->a_target)
+
+#define	HIGH_LEVEL_INTR			1
+#define	NORMAL_LEVEL_INTR		0
+
+/*
+ * scsa_cmd  - Per-command mr private data
+ * @param cmd_dmahandle		:  dma handle
+ * @param cmd_dmacookies	:  current dma cookies
+ * @param cmd_pkt		:  scsi_pkt reference
+ * @param cmd_dmacount		:  dma count
+ * @param cmd_cookie		:  next cookie
+ * @param cmd_ncookies		:  cookies per window
+ * @param cmd_cookiecnt		:  cookies per sub-win
+ * @param cmd_nwin		:  number of dma windows
+ * @param cmd_curwin		:  current dma window
+ * @param cmd_dma_offset	:  current window offset
+ * @param cmd_dma_len		:  current window length
+ * @param cmd_flags		:  private flags
+ * @param cmd_cdblen		:  length of cdb
+ * @param cmd_scblen		:  length of scb
+ * @param cmd_buf		:  command buffer
+ * @param channel		:  channel for scsi sub-system
+ * @param target		:  target for scsi sub-system
+ * @param lun			:  LUN for scsi sub-system
+ *
+ * - Allocated at same time as scsi_pkt by scsi_hba_pkt_alloc(9E)
+ * - Pointed to by pkt_ha_private field in scsi_pkt
+ */
+struct scsa_cmd {
+	ddi_dma_handle_t	cmd_dmahandle;
+	ddi_dma_cookie_t	cmd_dmacookies[DRSAS_MAX_SGE_CNT];
+	struct scsi_pkt		*cmd_pkt;
+	ulong_t			cmd_dmacount;
+	uint_t			cmd_cookie;
+	uint_t			cmd_ncookies;
+	uint_t			cmd_cookiecnt;
+	uint_t			cmd_nwin;
+	uint_t			cmd_curwin;
+	off_t			cmd_dma_offset;
+	ulong_t			cmd_dma_len;
+	ulong_t			cmd_flags;
+	uint_t			cmd_cdblen;
+	uint_t			cmd_scblen;
+	struct buf		*cmd_buf;
+	ushort_t		device_id;
+	uchar_t			islogical;
+	uchar_t			lun;
+	struct drsas_device	*drsas_dev;
+};
+
+
+struct drsas_cmd {
+	union drsas_frame	*frame;
+	uint32_t		frame_phys_addr;
+	uint8_t			*sense;
+	uint32_t		sense_phys_addr;
+	dma_obj_t		frame_dma_obj;
+	uint8_t			frame_dma_obj_status;
+
+	uint32_t		index;
+	uint8_t			sync_cmd;
+	uint8_t			cmd_status;
+	uint16_t		abort_aen;
+	mlist_t			list;
+	uint32_t		frame_count;
+	struct scsa_cmd		*cmd;
+	struct scsi_pkt		*pkt;
+};
+
+#define	MAX_MGMT_ADAPTERS			1024
+#define	IOC_SIGNATURE				"MR-SAS"
+
+#define	IOC_CMD_FIRMWARE			0x0
+#define	DRSAS_DRIVER_IOCTL_COMMON		0xF0010000
+#define	DRSAS_DRIVER_IOCTL_DRIVER_VERSION	0xF0010100
+#define	DRSAS_DRIVER_IOCTL_PCI_INFORMATION	0xF0010200
+#define	DRSAS_DRIVER_IOCTL_MRRAID_STATISTICS	0xF0010300
+
+
+#define	DRSAS_MAX_SENSE_LENGTH			32
+
+struct drsas_mgmt_info {
+
+	uint16_t			count;
+	struct drsas_instance		*instance[MAX_MGMT_ADAPTERS];
+	uint16_t			map[MAX_MGMT_ADAPTERS];
+	int				max_index;
+};
+
+#pragma pack(1)
+
+/*
+ * SAS controller properties
+ */
+struct drsas_ctrl_prop {
+	uint16_t	seq_num;
+	uint16_t	pred_fail_poll_interval;
+	uint16_t	intr_throttle_count;
+	uint16_t	intr_throttle_timeouts;
+
+	uint8_t		rebuild_rate;
+	uint8_t		patrol_read_rate;
+	uint8_t		bgi_rate;
+	uint8_t		cc_rate;
+	uint8_t		recon_rate;
+
+	uint8_t		cache_flush_interval;
+
+	uint8_t		spinup_drv_count;
+	uint8_t		spinup_delay;
+
+	uint8_t		cluster_enable;
+	uint8_t		coercion_mode;
+	uint8_t		disk_write_cache_disable;
+	uint8_t		alarm_enable;
+
+	uint8_t		reserved[44];
+};
+
+/*
+ * SAS controller information
+ */
+struct drsas_ctrl_info {
+	/* PCI device information */
+	struct {
+		uint16_t	vendor_id;
+		uint16_t	device_id;
+		uint16_t	sub_vendor_id;
+		uint16_t	sub_device_id;
+		uint8_t	reserved[24];
+	} pci;
+
+	/* Host interface information */
+	struct {
+		uint8_t	PCIX		: 1;
+		uint8_t	PCIE		: 1;
+		uint8_t	iSCSI		: 1;
+		uint8_t	SAS_3G		: 1;
+		uint8_t	reserved_0	: 4;
+		uint8_t	reserved_1[6];
+		uint8_t	port_count;
+		uint64_t	port_addr[8];
+	} host_interface;
+
+	/* Device (backend) interface information */
+	struct {
+		uint8_t	SPI		: 1;
+		uint8_t	SAS_3G		: 1;
+		uint8_t	SATA_1_5G	: 1;
+		uint8_t	SATA_3G		: 1;
+		uint8_t	reserved_0	: 4;
+		uint8_t	reserved_1[6];
+		uint8_t	port_count;
+		uint64_t	port_addr[8];
+	} device_interface;
+
+	/* List of components residing in flash. All str are null terminated */
+	uint32_t	image_check_word;
+	uint32_t	image_component_count;
+
+	struct {
+		char	name[8];
+		char	version[32];
+		char	build_date[16];
+		char	built_time[16];
+	} image_component[8];
+
+	/*
+	 * List of flash components that have been flashed on the card, but
+	 * are not in use, pending reset of the adapter. This list will be
+	 * empty if a flash operation has not occurred. All stings are null
+	 * terminated
+	 */
+	uint32_t	pending_image_component_count;
+
+	struct {
+		char	name[8];
+		char	version[32];
+		char	build_date[16];
+		char	build_time[16];
+	} pending_image_component[8];
+
+	uint8_t		max_arms;
+	uint8_t		max_spans;
+	uint8_t		max_arrays;
+	uint8_t		max_lds;
+
+	char		product_name[80];
+	char		serial_no[32];
+
+	/*
+	 * Other physical/controller/operation information. Indicates the
+	 * presence of the hardware
+	 */
+	struct {
+		uint32_t	bbu		: 1;
+		uint32_t	alarm		: 1;
+		uint32_t	nvram		: 1;
+		uint32_t	uart		: 1;
+		uint32_t	reserved	: 28;
+	} hw_present;
+
+	uint32_t	current_fw_time;
+
+	/* Maximum data transfer sizes */
+	uint16_t		max_concurrent_cmds;
+	uint16_t		max_sge_count;
+	uint32_t		max_request_size;
+
+	/* Logical and physical device counts */
+	uint16_t		ld_present_count;
+	uint16_t		ld_degraded_count;
+	uint16_t		ld_offline_count;
+
+	uint16_t		pd_present_count;
+	uint16_t		pd_disk_present_count;
+	uint16_t		pd_disk_pred_failure_count;
+	uint16_t		pd_disk_failed_count;
+
+	/* Memory size information */
+	uint16_t		nvram_size;
+	uint16_t		memory_size;
+	uint16_t		flash_size;
+
+	/* Error counters */
+	uint16_t		mem_correctable_error_count;
+	uint16_t		mem_uncorrectable_error_count;
+
+	/* Cluster information */
+	uint8_t		cluster_permitted;
+	uint8_t		cluster_active;
+	uint8_t		reserved_1[2];
+
+	/* Controller capabilities structures */
+	struct {
+		uint32_t	raid_level_0	: 1;
+		uint32_t	raid_level_1	: 1;
+		uint32_t	raid_level_5	: 1;
+		uint32_t	raid_level_1E	: 1;
+		uint32_t	reserved	: 28;
+	} raid_levels;
+
+	struct {
+		uint32_t	rbld_rate		: 1;
+		uint32_t	cc_rate			: 1;
+		uint32_t	bgi_rate		: 1;
+		uint32_t	recon_rate		: 1;
+		uint32_t	patrol_rate		: 1;
+		uint32_t	alarm_control		: 1;
+		uint32_t	cluster_supported	: 1;
+		uint32_t	bbu			: 1;
+		uint32_t	spanning_allowed	: 1;
+		uint32_t	dedicated_hotspares	: 1;
+		uint32_t	revertible_hotspares	: 1;
+		uint32_t	foreign_config_import	: 1;
+		uint32_t	self_diagnostic		: 1;
+		uint32_t	reserved		: 19;
+	} adapter_operations;
+
+	struct {
+		uint32_t	read_policy	: 1;
+		uint32_t	write_policy	: 1;
+		uint32_t	io_policy	: 1;
+		uint32_t	access_policy	: 1;
+		uint32_t	reserved	: 28;
+	} ld_operations;
+
+	struct {
+		uint8_t	min;
+		uint8_t	max;
+		uint8_t	reserved[2];
+	} stripe_size_operations;
+
+	struct {
+		uint32_t	force_online	: 1;
+		uint32_t	force_offline	: 1;
+		uint32_t	force_rebuild	: 1;
+		uint32_t	reserved	: 29;
+	} pd_operations;
+
+	struct {
+		uint32_t	ctrl_supports_sas	: 1;
+		uint32_t	ctrl_supports_sata	: 1;
+		uint32_t	allow_mix_in_encl	: 1;
+		uint32_t	allow_mix_in_ld		: 1;
+		uint32_t	allow_sata_in_cluster	: 1;
+		uint32_t	reserved		: 27;
+	} pd_mix_support;
+
+	/* Include the controller properties (changeable items) */
+	uint8_t				reserved_2[12];
+	struct drsas_ctrl_prop		properties;
+
+	uint8_t				pad[0x800 - 0x640];
+};
+
+/*
+ * ==================================
+ * MegaRAID SAS2.0 driver definitions
+ * ==================================
+ */
+#define	MRDRV_MAX_NUM_CMD			1024
+
+#define	MRDRV_MAX_PD_CHANNELS			2
+#define	MRDRV_MAX_LD_CHANNELS			2
+#define	MRDRV_MAX_CHANNELS			(MRDRV_MAX_PD_CHANNELS + \
+						MRDRV_MAX_LD_CHANNELS)
+#define	MRDRV_MAX_DEV_PER_CHANNEL		128
+#define	MRDRV_DEFAULT_INIT_ID			-1
+#define	MRDRV_MAX_CMD_PER_LUN			1000
+#define	MRDRV_MAX_LUN				1
+#define	MRDRV_MAX_LD				64
+
+#define	MRDRV_RESET_WAIT_TIME			300
+#define	MRDRV_RESET_NOTICE_INTERVAL		5
+
+#define	DRSAS_IOCTL_CMD				0
+
+/*
+ * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
+ * SGLs based on the size of dma_addr_t
+ */
+#define	IS_DMA64		(sizeof (dma_addr_t) == 8)
+
+#define	IB_MSG_0_OFF			0x10	/* XScale */
+#define	OB_MSG_0_OFF			0x18	/* XScale */
+#define	IB_DOORBELL_OFF			0x20	/* XScale & ROC */
+#define	OB_INTR_STATUS_OFF		0x30	/* XScale & ROC */
+#define	OB_INTR_MASK_OFF		0x34	/* XScale & ROC */
+#define	IB_QPORT_OFF			0x40	/* XScale & ROC */
+#define	OB_DOORBELL_CLEAR_OFF		0xA0	/* ROC */
+#define	OB_SCRATCH_PAD_0_OFF		0xB0	/* ROC */
+#define	OB_INTR_MASK			0xFFFFFFFF
+#define	OB_DOORBELL_CLEAR_MASK		0xFFFFFFFF
+
+/*
+ * All MFI register set macros accept drsas_register_set*
+ */
+#define	WR_IB_MSG_0(v, instance) 	ddi_put32((instance)->regmap_handle, \
+	(uint32_t *)((uintptr_t)(instance)->regmap + IB_MSG_0_OFF), (v))
+
+#define	RD_OB_MSG_0(instance) 		ddi_get32((instance)->regmap_handle, \
+	(uint32_t *)((uintptr_t)(instance)->regmap + OB_MSG_0_OFF))
+
+#define	WR_IB_DOORBELL(v, instance)	ddi_put32((instance)->regmap_handle, \
+	(uint32_t *)((uintptr_t)(instance)->regmap + IB_DOORBELL_OFF), (v))
+
+#define	RD_IB_DOORBELL(instance)	ddi_get32((instance)->regmap_handle, \
+	(uint32_t *)((uintptr_t)(instance)->regmap + IB_DOORBELL_OFF))
+
+#define	WR_OB_INTR_STATUS(v, instance) 	ddi_put32((instance)->regmap_handle, \
+	(uint32_t *)((uintptr_t)(instance)->regmap + OB_INTR_STATUS_OFF), (v))
+
+#define	RD_OB_INTR_STATUS(instance) 	ddi_get32((instance)->regmap_handle, \
+	(uint32_t *)((uintptr_t)(instance)->regmap + OB_INTR_STATUS_OFF))
+
+#define	WR_OB_INTR_MASK(v, instance) 	ddi_put32((instance)->regmap_handle, \
+	(uint32_t *)((uintptr_t)(instance)->regmap + OB_INTR_MASK_OFF), (v))
+
+#define	RD_OB_INTR_MASK(instance) 	ddi_get32((instance)->regmap_handle, \
+	(uint32_t *)((uintptr_t)(instance)->regmap + OB_INTR_MASK_OFF))
+
+#define	WR_IB_QPORT(v, instance) 	ddi_put32((instance)->regmap_handle, \
+	(uint32_t *)((uintptr_t)(instance)->regmap + IB_QPORT_OFF), (v))
+
+#define	WR_OB_DOORBELL_CLEAR(v, instance) ddi_put32((instance)->regmap_handle, \
+	(uint32_t *)((uintptr_t)(instance)->regmap + OB_DOORBELL_CLEAR_OFF), \
+	(v))
+
+#define	RD_OB_SCRATCH_PAD_0(instance) 	ddi_get32((instance)->regmap_handle, \
+	(uint32_t *)((uintptr_t)(instance)->regmap + OB_SCRATCH_PAD_0_OFF))
+
+/*
+ * When FW is in MFI_STATE_READY or MFI_STATE_OPERATIONAL, the state data
+ * of Outbound Msg Reg 0 indicates max concurrent cmds supported, max SGEs
+ * supported per cmd and if 64-bit MFAs (M64) is enabled or disabled.
+ */
+#define	MFI_OB_INTR_STATUS_MASK		0x00000002
+
+/*
+ * This MFI_REPLY_2108_MESSAGE_INTR flag is used also
+ * in enable_intr_ppc also. Hence bit 2, i.e. 0x4 has
+ * been set in this flag along with bit 1.
+ */
+#define	MFI_REPLY_2108_MESSAGE_INTR		0x00000001
+#define	MFI_REPLY_2108_MESSAGE_INTR_MASK	0x00000005
+
+#define	MFI_POLL_TIMEOUT_SECS		60
+
+#define	MFI_ENABLE_INTR(instance)  ddi_put32((instance)->regmap_handle, \
+	(uint32_t *)((uintptr_t)(instance)->regmap + OB_INTR_MASK_OFF), 1)
+#define	MFI_DISABLE_INTR(instance)					\
+{									\
+	uint32_t disable = 1;						\
+	uint32_t mask =  ddi_get32((instance)->regmap_handle, 		\
+	    (uint32_t *)((uintptr_t)(instance)->regmap + OB_INTR_MASK_OFF));\
+	mask &= ~disable;						\
+	ddi_put32((instance)->regmap_handle, (uint32_t *)		\
+	    (uintptr_t)((instance)->regmap + OB_INTR_MASK_OFF), mask);	\
+}
+
+/* By default, the firmware programs for 8 Kbytes of memory */
+#define	DEFAULT_MFI_MEM_SZ	8192
+#define	MINIMUM_MFI_MEM_SZ	4096
+
+/* DCMD Message Frame MAILBOX0-11 */
+#define	DCMD_MBOX_SZ		12
+
+
+struct drsas_register_set {
+	uint32_t	reserved_0[4];
+
+	uint32_t	inbound_msg_0;
+	uint32_t	inbound_msg_1;
+	uint32_t	outbound_msg_0;
+	uint32_t	outbound_msg_1;
+
+	uint32_t	inbound_doorbell;
+	uint32_t	inbound_intr_status;
+	uint32_t	inbound_intr_mask;
+
+	uint32_t	outbound_doorbell;
+	uint32_t	outbound_intr_status;
+	uint32_t	outbound_intr_mask;
+
+	uint32_t	reserved_1[2];
+
+	uint32_t	inbound_queue_port;
+	uint32_t	outbound_queue_port;
+
+	uint32_t 	reserved_2[22];
+
+	uint32_t 	outbound_doorbell_clear;
+
+	uint32_t 	reserved_3[3];
+
+	uint32_t 	outbound_scratch_pad;
+
+	uint32_t 	reserved_4[3];
+
+	uint32_t 	inbound_low_queue_port;
+
+	uint32_t 	inbound_high_queue_port;
+
+	uint32_t 	reserved_5;
+	uint32_t 	index_registers[820];
+};
+
+struct drsas_sge32 {
+	uint32_t	phys_addr;
+	uint32_t	length;
+};
+
+struct drsas_sge64 {
+	uint64_t	phys_addr;
+	uint32_t	length;
+};
+
+union drsas_sgl {
+	struct drsas_sge32	sge32[1];
+	struct drsas_sge64	sge64[1];
+};
+
+struct drsas_header {
+	uint8_t		cmd;
+	uint8_t		sense_len;
+	uint8_t		cmd_status;
+	uint8_t		scsi_status;
+
+	uint8_t		target_id;
+	uint8_t		lun;
+	uint8_t		cdb_len;
+	uint8_t		sge_count;
+
+	uint32_t	context;
+	uint8_t		req_id;
+	uint8_t		msgvector;
+	uint16_t	pad_0;
+
+	uint16_t	flags;
+	uint16_t	timeout;
+	uint32_t	data_xferlen;
+};
+
+union drsas_sgl_frame {
+	struct drsas_sge32	sge32[8];
+	struct drsas_sge64	sge64[5];
+};
+
+struct drsas_init_frame {
+	uint8_t		cmd;
+	uint8_t		reserved_0;
+	uint8_t		cmd_status;
+
+	uint8_t		reserved_1;
+	uint32_t	reserved_2;
+
+	uint32_t	context;
+	uint8_t		req_id;
+	uint8_t		msgvector;
+	uint16_t	pad_0;
+
+	uint16_t	flags;
+	uint16_t	reserved_3;
+	uint32_t	data_xfer_len;
+
+	uint32_t	queue_info_new_phys_addr_lo;
+	uint32_t	queue_info_new_phys_addr_hi;
+	uint32_t	queue_info_old_phys_addr_lo;
+	uint32_t	queue_info_old_phys_addr_hi;
+
+	uint32_t	reserved_4[6];
+};
+
+struct drsas_init_queue_info {
+	uint32_t		init_flags;
+	uint32_t		reply_queue_entries;
+
+	uint32_t		reply_queue_start_phys_addr_lo;
+	uint32_t		reply_queue_start_phys_addr_hi;
+	uint32_t		producer_index_phys_addr_lo;
+	uint32_t		producer_index_phys_addr_hi;
+	uint32_t		consumer_index_phys_addr_lo;
+	uint32_t		consumer_index_phys_addr_hi;
+};
+
+struct drsas_io_frame {
+	uint8_t			cmd;
+	uint8_t			sense_len;
+	uint8_t			cmd_status;
+	uint8_t			scsi_status;
+
+	uint8_t			target_id;
+	uint8_t			access_byte;
+	uint8_t			reserved_0;
+	uint8_t			sge_count;
+
+	uint32_t		context;
+	uint8_t			req_id;
+	uint8_t			msgvector;
+	uint16_t		pad_0;
+
+	uint16_t		flags;
+	uint16_t		timeout;
+	uint32_t		lba_count;
+
+	uint32_t		sense_buf_phys_addr_lo;
+	uint32_t		sense_buf_phys_addr_hi;
+
+	uint32_t		start_lba_lo;
+	uint32_t		start_lba_hi;
+
+	union drsas_sgl		sgl;
+};
+
+struct drsas_pthru_frame {
+	uint8_t			cmd;
+	uint8_t			sense_len;
+	uint8_t			cmd_status;
+	uint8_t			scsi_status;
+
+	uint8_t			target_id;
+	uint8_t			lun;
+	uint8_t			cdb_len;
+	uint8_t			sge_count;
+
+	uint32_t		context;
+	uint8_t			req_id;
+	uint8_t			msgvector;
+	uint16_t		pad_0;
+
+	uint16_t		flags;
+	uint16_t		timeout;
+	uint32_t		data_xfer_len;
+
+	uint32_t		sense_buf_phys_addr_lo;
+	uint32_t		sense_buf_phys_addr_hi;
+
+	uint8_t			cdb[16];
+	union drsas_sgl		sgl;
+};
+
+struct drsas_dcmd_frame {
+	uint8_t			cmd;
+	uint8_t			reserved_0;
+	uint8_t			cmd_status;
+	uint8_t			reserved_1[4];
+	uint8_t			sge_count;
+
+	uint32_t		context;
+	uint8_t			req_id;
+	uint8_t			msgvector;
+	uint16_t		pad_0;
+
+	uint16_t		flags;
+	uint16_t		timeout;
+
+	uint32_t		data_xfer_len;
+	uint32_t		opcode;
+
+	union {
+		uint8_t b[DCMD_MBOX_SZ];
+		uint16_t s[6];
+		uint32_t w[3];
+	} mbox;
+
+	union drsas_sgl		sgl;
+};
+
+struct drsas_abort_frame {
+	uint8_t		cmd;
+	uint8_t		reserved_0;
+	uint8_t		cmd_status;
+
+	uint8_t		reserved_1;
+	uint32_t	reserved_2;
+
+	uint32_t	context;
+	uint8_t		req_id;
+	uint8_t		msgvector;
+	uint16_t	pad_0;
+
+	uint16_t	flags;
+	uint16_t	reserved_3;
+	uint32_t	reserved_4;
+
+	uint32_t	abort_context;
+	uint32_t	pad_1;
+
+	uint32_t	abort_mfi_phys_addr_lo;
+	uint32_t	abort_mfi_phys_addr_hi;
+
+	uint32_t	reserved_5[6];
+};
+
+struct drsas_smp_frame {
+	uint8_t		cmd;
+	uint8_t		reserved_1;
+	uint8_t		cmd_status;
+	uint8_t		connection_status;
+
+	uint8_t		reserved_2[3];
+	uint8_t		sge_count;
+
+	uint32_t	context;
+	uint8_t		req_id;
+	uint8_t		msgvector;
+	uint16_t	pad_0;
+
+	uint16_t	flags;
+	uint16_t	timeout;
+
+	uint32_t	data_xfer_len;
+
+	uint64_t	sas_addr;
+
+	union drsas_sgl	sgl[2];
+};
+
+struct drsas_stp_frame {
+	uint8_t		cmd;
+	uint8_t		reserved_1;
+	uint8_t		cmd_status;
+	uint8_t		connection_status;
+
+	uint8_t		target_id;
+	uint8_t		reserved_2[2];
+	uint8_t		sge_count;
+
+	uint32_t	context;
+	uint8_t		req_id;
+	uint8_t		msgvector;
+	uint16_t	pad_0;
+
+	uint16_t	flags;
+	uint16_t	timeout;
+
+	uint32_t	data_xfer_len;
+
+	uint16_t	fis[10];
+	uint32_t	stp_flags;
+	union drsas_sgl	sgl;
+};
+
+union drsas_frame {
+	struct drsas_header		hdr;
+	struct drsas_init_frame		init;
+	struct drsas_io_frame		io;
+	struct drsas_pthru_frame	pthru;
+	struct drsas_dcmd_frame		dcmd;
+	struct drsas_abort_frame	abort;
+	struct drsas_smp_frame		smp;
+	struct drsas_stp_frame		stp;
+
+	uint8_t			raw_bytes[64];
+};
+
+typedef struct drsas_pd_address {
+	uint16_t	device_id;
+	uint16_t	encl_id;
+
+	union {
+		struct {
+			uint8_t encl_index;
+			uint8_t slot_number;
+		} pd_address;
+		struct {
+			uint8_t	encl_position;
+			uint8_t	encl_connector_index;
+		} encl_address;
+	}address;
+
+	uint8_t	scsi_dev_type;
+
+	union {
+		uint8_t		port_bitmap;
+		uint8_t		port_numbers;
+	} connected;
+
+	uint64_t		sas_addr[2];
+} drsas_pd_address_t;
+
+union drsas_evt_class_locale {
+	struct {
+		uint16_t	locale;
+		uint8_t		reserved;
+		int8_t		class;
+	} members;
+
+	uint32_t	word;
+};
+
+struct drsas_evt_log_info {
+	uint32_t	newest_seq_num;
+	uint32_t	oldest_seq_num;
+	uint32_t	clear_seq_num;
+	uint32_t	shutdown_seq_num;
+	uint32_t	boot_seq_num;
+};
+
+struct drsas_progress {
+	uint16_t	progress;
+	uint16_t	elapsed_seconds;
+};
+
+struct drsas_evtarg_ld {
+	uint16_t	target_id;
+	uint8_t		ld_index;
+	uint8_t		reserved;
+};
+
+struct drsas_evtarg_pd {
+	uint16_t	device_id;
+	uint8_t		encl_index;
+	uint8_t		slot_number;
+};
+
+struct drsas_evt_detail {
+	uint32_t	seq_num;
+	uint32_t	time_stamp;
+	uint32_t	code;
+	union drsas_evt_class_locale	cl;
+	uint8_t		arg_type;
+	uint8_t		reserved1[15];
+
+	union {
+		struct {
+			struct drsas_evtarg_pd	pd;
+			uint8_t			cdb_length;
+			uint8_t			sense_length;
+			uint8_t			reserved[2];
+			uint8_t			cdb[16];
+			uint8_t			sense[64];
+		} cdbSense;
+
+		struct drsas_evtarg_ld		ld;
+
+		struct {
+			struct drsas_evtarg_ld	ld;
+			uint64_t		count;
+		} ld_count;
+
+		struct {
+			uint64_t		lba;
+			struct drsas_evtarg_ld	ld;
+		} ld_lba;
+
+		struct {
+			struct drsas_evtarg_ld	ld;
+			uint32_t		prevOwner;
+			uint32_t		newOwner;
+		} ld_owner;
+
+		struct {
+			uint64_t		ld_lba;
+			uint64_t		pd_lba;
+			struct drsas_evtarg_ld	ld;
+			struct drsas_evtarg_pd	pd;
+		} ld_lba_pd_lba;
+
+		struct {
+			struct drsas_evtarg_ld	ld;
+			struct drsas_progress	prog;
+		} ld_prog;
+
+		struct {
+			struct drsas_evtarg_ld	ld;
+			uint32_t		prev_state;
+			uint32_t		new_state;
+		} ld_state;
+
+		struct {
+			uint64_t		strip;
+			struct drsas_evtarg_ld	ld;
+		} ld_strip;
+
+		struct drsas_evtarg_pd		pd;
+
+		struct {
+			struct drsas_evtarg_pd	pd;
+			uint32_t		err;
+		} pd_err;
+
+		struct {
+			uint64_t		lba;
+			struct drsas_evtarg_pd	pd;
+		} pd_lba;
+
+		struct {
+			uint64_t		lba;
+			struct drsas_evtarg_pd	pd;
+			struct drsas_evtarg_ld	ld;
+		} pd_lba_ld;
+
+		struct {
+			struct drsas_evtarg_pd	pd;
+			struct drsas_progress	prog;
+		} pd_prog;
+
+		struct {
+			struct drsas_evtarg_pd	pd;
+			uint32_t		prevState;
+			uint32_t		newState;
+		} pd_state;
+
+		struct {
+			uint16_t	vendorId;
+			uint16_t	deviceId;
+			uint16_t	subVendorId;
+			uint16_t	subDeviceId;
+		} pci;
+
+		uint32_t	rate;
+		char		str[96];
+
+		struct {
+			uint32_t	rtc;
+			uint32_t	elapsedSeconds;
+		} time;
+
+		struct {
+			uint32_t	ecar;
+			uint32_t	elog;
+			char		str[64];
+		} ecc;
+
+		drsas_pd_address_t	pd_addr;
+
+		uint8_t		b[96];
+		uint16_t	s[48];
+		uint32_t	w[24];
+		uint64_t	d[12];
+	} args;
+
+	char	description[128];
+
+};
+
+/* only 63 are usable by the application */
+#define	MAX_LOGICAL_DRIVES			64
+/* only 255 physical devices may be used */
+#define	MAX_PHYSICAL_DEVICES			256
+#define	MAX_PD_PER_ENCLOSURE			64
+/* maximum disks per array */
+#define	MAX_ROW_SIZE				32
+/* maximum spans per logical drive */
+#define	MAX_SPAN_DEPTH				8
+/* maximum number of arrays a hot spare may be dedicated to */
+#define	MAX_ARRAYS_DEDICATED			16
+/* maximum number of arrays which may exist */
+#define	MAX_ARRAYS				128
+/* maximum number of foreign configs that may ha managed at once */
+#define	MAX_FOREIGN_CONFIGS			8
+/* maximum spares (global and dedicated combined) */
+#define	MAX_SPARES_FOR_THE_CONTROLLER		MAX_PHYSICAL_DEVICES
+/* maximum possible Target IDs (i.e. 0 to 63) */
+#define	MAX_TARGET_ID				63
+/* maximum number of supported enclosures */
+#define	MAX_ENCLOSURES				32
+/* maximum number of PHYs per controller */
+#define	MAX_PHYS_PER_CONTROLLER			16
+/* maximum number of LDs per array (due to DDF limitations) */
+#define	MAX_LDS_PER_ARRAY			16
+
+/*
+ * -----------------------------------------------------------------------------
+ * -----------------------------------------------------------------------------
+ *
+ * Logical Drive commands
+ *
+ * -----------------------------------------------------------------------------
+ * -----------------------------------------------------------------------------
+ */
+#define	DR_DCMD_LD	0x03000000,	/* Logical Device (LD) opcodes */
+
+/*
+ * Input:	dcmd.opcode	- DR_DCMD_LD_GET_LIST
+ *		dcmd.mbox	- reserved
+ *		dcmd.sge IN	- ptr to returned DR_LD_LIST structure
+ * Desc:	Return the logical drive list structure
+ * Status:	No error
+ */
+
+/*
+ * defines the logical drive reference structure
+ */
+typedef	union _DR_LD_REF {	/* LD reference structure */
+	struct {
+		uint8_t	targetId; /* LD target id (0 to MAX_TARGET_ID) */
+		uint8_t	reserved; /* reserved for in line with DR_PD_REF */
+		uint16_t seqNum;  /* Sequence Number */
+	} ld_ref;
+	uint32_t ref;		/* shorthand reference to full 32-bits */
+} DR_LD_REF;			/* 4 bytes */
+
+/*
+ * defines the logical drive list structure
+ */
+typedef struct _DR_LD_LIST {
+	uint32_t	ldCount;	/* number of LDs */
+	uint32_t	reserved;	/* pad to 8-byte boundary */
+	struct {
+		DR_LD_REF ref;	/* LD reference */
+		uint8_t	state;		/* current LD state (DR_LD_STATE) */
+		uint8_t	reserved[3];	/* pad to 8-byte boundary */
+		uint64_t size;		/* LD size */
+	} ldList[MAX_LOGICAL_DRIVES];
+} DR_LD_LIST;
+
+struct drsas_drv_ver {
+	uint8_t	signature[12];
+	uint8_t	os_name[16];
+	uint8_t	os_ver[12];
+	uint8_t	drv_name[20];
+	uint8_t	drv_ver[32];
+	uint8_t	drv_rel_date[20];
+};
+
+#define	PCI_TYPE0_ADDRESSES		6
+#define	PCI_TYPE1_ADDRESSES		2
+#define	PCI_TYPE2_ADDRESSES		5
+
+struct drsas_pci_common_header {
+	uint16_t	vendorID;		/* (ro) */
+	uint16_t	deviceID;		/* (ro) */
+	uint16_t	command;		/* Device control */
+	uint16_t	status;
+	uint8_t		revisionID;		/* (ro) */
+	uint8_t		progIf;			/* (ro) */
+	uint8_t		subClass;		/* (ro) */
+	uint8_t		baseClass;		/* (ro) */
+	uint8_t		cacheLineSize;		/* (ro+) */
+	uint8_t		latencyTimer;		/* (ro+) */
+	uint8_t		headerType;		/* (ro) */
+	uint8_t		bist;			/* Built in self test */
+
+	union {
+	    struct {
+		uint32_t	baseAddresses[PCI_TYPE0_ADDRESSES];
+		uint32_t	cis;
+		uint16_t	subVendorID;
+		uint16_t	subSystemID;
+		uint32_t	romBaseAddress;
+		uint8_t		capabilitiesPtr;
+		uint8_t		reserved1[3];
+		uint32_t	reserved2;
+		uint8_t		interruptLine;
+		uint8_t		interruptPin;	/* (ro) */
+		uint8_t		minimumGrant;	/* (ro) */
+		uint8_t		maximumLatency;	/* (ro) */
+	    } type_0;
+
+	    struct {
+		uint32_t	baseAddresses[PCI_TYPE1_ADDRESSES];
+		uint8_t		primaryBus;
+		uint8_t		secondaryBus;
+		uint8_t		subordinateBus;
+		uint8_t		secondaryLatency;
+		uint8_t		ioBase;
+		uint8_t		ioLimit;
+		uint16_t	secondaryStatus;
+		uint16_t	memoryBase;
+		uint16_t	memoryLimit;
+		uint16_t	prefetchBase;
+		uint16_t	prefetchLimit;
+		uint32_t	prefetchBaseUpper32;
+		uint32_t	prefetchLimitUpper32;
+		uint16_t	ioBaseUpper16;
+		uint16_t	ioLimitUpper16;
+		uint8_t		capabilitiesPtr;
+		uint8_t		reserved1[3];
+		uint32_t	romBaseAddress;
+		uint8_t		interruptLine;
+		uint8_t		interruptPin;
+		uint16_t	bridgeControl;
+	    } type_1;
+
+	    struct {
+		uint32_t	socketRegistersBaseAddress;
+		uint8_t		capabilitiesPtr;
+		uint8_t		reserved;
+		uint16_t	secondaryStatus;
+		uint8_t		primaryBus;
+		uint8_t		secondaryBus;
+		uint8_t		subordinateBus;
+		uint8_t		secondaryLatency;
+		struct {
+			uint32_t	base;
+			uint32_t	limit;
+		} range[PCI_TYPE2_ADDRESSES-1];
+		uint8_t		interruptLine;
+		uint8_t		interruptPin;
+		uint16_t	bridgeControl;
+	    } type_2;
+	} header;
+};
+
+struct drsas_pci_link_capability {
+	union {
+	    struct {
+		uint32_t linkSpeed		:4;
+		uint32_t linkWidth		:6;
+		uint32_t aspmSupport		:2;
+		uint32_t losExitLatency		:3;
+		uint32_t l1ExitLatency		:3;
+		uint32_t rsvdp			:6;
+		uint32_t portNumber		:8;
+	    } bits;
+
+	    uint32_t asUlong;
+	} cap;
+
+};
+
+struct drsas_pci_link_status_capability {
+	union {
+	    struct {
+		uint16_t linkSpeed		:4;
+		uint16_t negotiatedLinkWidth	:6;
+		uint16_t linkTrainingError	:1;
+		uint16_t linkTraning		:1;
+		uint16_t slotClockConfig	:1;
+		uint16_t rsvdZ			:3;
+	    } bits;
+
+	    uint16_t asUshort;
+	} stat_cap;
+
+	uint16_t reserved;
+
+};
+
+struct drsas_pci_capabilities {
+	struct drsas_pci_link_capability	linkCapability;
+	struct drsas_pci_link_status_capability linkStatusCapability;
+};
+
+struct drsas_pci_information
+{
+	uint32_t		busNumber;
+	uint8_t			deviceNumber;
+	uint8_t			functionNumber;
+	uint8_t			interruptVector;
+	uint8_t			reserved;
+	struct drsas_pci_common_header pciHeaderInfo;
+	struct drsas_pci_capabilities capability;
+	uint8_t			reserved2[32];
+};
+
+struct drsas_ioctl {
+	uint16_t	version;
+	uint16_t	controller_id;
+	uint8_t		signature[8];
+	uint32_t	reserved_1;
+	uint32_t	control_code;
+	uint32_t	reserved_2[2];
+	uint8_t		frame[64];
+	union drsas_sgl_frame sgl_frame;
+	uint8_t		sense_buff[DRSAS_MAX_SENSE_LENGTH];
+	uint8_t		data[1];
+};
+
+struct drsas_aen {
+	uint16_t	host_no;
+	uint16_t	cmd_status;
+	uint32_t	seq_num;
+	uint32_t	class_locale_word;
+};
+#pragma pack()
+
+#ifndef	DDI_VENDOR_LSI
+#define	DDI_VENDOR_LSI		"LSI"
+#endif /* DDI_VENDOR_LSI */
+
+static int	drsas_getinfo(dev_info_t *, ddi_info_cmd_t,  void *, void **);
+static int	drsas_attach(dev_info_t *, ddi_attach_cmd_t);
+static int	drsas_reset(dev_info_t *, ddi_reset_cmd_t);
+static int	drsas_detach(dev_info_t *, ddi_detach_cmd_t);
+static int	drsas_open(dev_t *, int, int, cred_t *);
+static int	drsas_close(dev_t, int, int, cred_t *);
+static int	drsas_ioctl(dev_t, int, intptr_t, int, cred_t *, int *);
+
+static int	drsas_tran_tgt_init(dev_info_t *, dev_info_t *,
+		    scsi_hba_tran_t *, struct scsi_device *);
+static struct scsi_pkt *drsas_tran_init_pkt(struct scsi_address *, register
+		    struct scsi_pkt *, struct buf *, int, int, int, int,
+		    int (*)(), caddr_t);
+static int	drsas_tran_start(struct scsi_address *,
+		    register struct scsi_pkt *);
+static int	drsas_tran_abort(struct scsi_address *, struct scsi_pkt *);
+static int	drsas_tran_reset(struct scsi_address *, int);
+static int	drsas_tran_getcap(struct scsi_address *, char *, int);
+static int	drsas_tran_setcap(struct scsi_address *, char *, int, int);
+static void	drsas_tran_destroy_pkt(struct scsi_address *,
+		    struct scsi_pkt *);
+static void	drsas_tran_dmafree(struct scsi_address *, struct scsi_pkt *);
+static void	drsas_tran_sync_pkt(struct scsi_address *, struct scsi_pkt *);
+static uint_t	drsas_isr();
+static uint_t	drsas_softintr();
+
+static int	init_mfi(struct drsas_instance *);
+static int	drsas_free_dma_obj(struct drsas_instance *, dma_obj_t);
+static int	drsas_alloc_dma_obj(struct drsas_instance *, dma_obj_t *,
+		    uchar_t);
+static struct drsas_cmd *get_mfi_pkt(struct drsas_instance *);
+static void	return_mfi_pkt(struct drsas_instance *,
+		    struct drsas_cmd *);
+
+static void	free_space_for_mfi(struct drsas_instance *);
+static void	free_additional_dma_buffer(struct drsas_instance *);
+static int	alloc_additional_dma_buffer(struct drsas_instance *);
+static int	read_fw_status_reg_ppc(struct drsas_instance *);
+static void	issue_cmd_ppc(struct drsas_cmd *, struct drsas_instance *);
+static int	issue_cmd_in_poll_mode_ppc(struct drsas_instance *,
+		    struct drsas_cmd *);
+static int	issue_cmd_in_sync_mode_ppc(struct drsas_instance *,
+		    struct drsas_cmd *);
+static void	enable_intr_ppc(struct drsas_instance *);
+static void	disable_intr_ppc(struct drsas_instance *);
+static int	intr_ack_ppc(struct drsas_instance *);
+static int	mfi_state_transition_to_ready(struct drsas_instance *);
+static void	destroy_mfi_frame_pool(struct drsas_instance *);
+static int	create_mfi_frame_pool(struct drsas_instance *);
+static int	drsas_dma_alloc(struct drsas_instance *, struct scsi_pkt *,
+		    struct buf *, int, int (*)());
+static int	drsas_dma_move(struct drsas_instance *,
+			struct scsi_pkt *, struct buf *);
+static void	flush_cache(struct drsas_instance *instance);
+static void	display_scsi_inquiry(caddr_t);
+static int	start_mfi_aen(struct drsas_instance *instance);
+static int	handle_drv_ioctl(struct drsas_instance *instance,
+		    struct drsas_ioctl *ioctl, int mode);
+static int	handle_mfi_ioctl(struct drsas_instance *instance,
+		    struct drsas_ioctl *ioctl, int mode);
+static int	handle_mfi_aen(struct drsas_instance *instance,
+		    struct drsas_aen *aen);
+static void	fill_up_drv_ver(struct drsas_drv_ver *dv);
+static struct drsas_cmd *build_cmd(struct drsas_instance *instance,
+		    struct scsi_address *ap, struct scsi_pkt *pkt,
+		    uchar_t *cmd_done);
+static int	register_mfi_aen(struct drsas_instance *instance,
+		    uint32_t seq_num, uint32_t class_locale_word);
+static int	issue_mfi_pthru(struct drsas_instance *instance, struct
+		    drsas_ioctl *ioctl, struct drsas_cmd *cmd, int mode);
+static int	issue_mfi_dcmd(struct drsas_instance *instance, struct
+		    drsas_ioctl *ioctl, struct drsas_cmd *cmd, int mode);
+static int	issue_mfi_smp(struct drsas_instance *instance, struct
+		    drsas_ioctl *ioctl, struct drsas_cmd *cmd, int mode);
+static int	issue_mfi_stp(struct drsas_instance *instance, struct
+		    drsas_ioctl *ioctl, struct drsas_cmd *cmd, int mode);
+static int	abort_aen_cmd(struct drsas_instance *instance,
+		    struct drsas_cmd *cmd_to_abort);
+
+static int	drsas_common_check(struct drsas_instance *instance,
+		    struct  drsas_cmd *cmd);
+static void	drsas_fm_init(struct drsas_instance *instance);
+static void	drsas_fm_fini(struct drsas_instance *instance);
+static int	drsas_fm_error_cb(dev_info_t *, ddi_fm_error_t *,
+		    const void *);
+static void	drsas_fm_ereport(struct drsas_instance *instance,
+		    char *detail);
+static int	drsas_check_dma_handle(ddi_dma_handle_t handle);
+static int	drsas_check_acc_handle(ddi_acc_handle_t handle);
+
+static void	drsas_rem_intrs(struct drsas_instance *instance);
+static int	drsas_add_intrs(struct drsas_instance *instance, int intr_type);
+
+static void	drsas_tran_tgt_free(dev_info_t *, dev_info_t *,
+		    scsi_hba_tran_t *, struct scsi_device *);
+static int	drsas_tran_bus_config(dev_info_t *, uint_t,
+		    ddi_bus_config_op_t, void *, dev_info_t **);
+static int	drsas_parse_devname(char *, int *, int *);
+static int	drsas_config_all_devices(struct drsas_instance *);
+static int 	drsas_config_scsi_device(struct drsas_instance *,
+		    struct scsi_device *, dev_info_t **);
+static int 	drsas_config_ld(struct drsas_instance *, uint16_t,
+				uint8_t, dev_info_t **);
+static dev_info_t *drsas_find_child(struct drsas_instance *, uint16_t,
+			uint8_t);
+static int	drsas_name_node(dev_info_t *, char *, int);
+static void	drsas_issue_evt_taskq(struct drsas_eventinfo *);
+static int	drsas_service_evt(struct drsas_instance *, int, int, int,
+			uint64_t);
+static int	drsas_mode_sense_build(struct scsi_pkt *);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _DR_SAS_H_ */
diff --git a/usr/src/uts/common/io/dr_sas/dr_sas_list.h b/usr/src/uts/common/io/dr_sas/dr_sas_list.h
new file mode 100644
index 0000000000..4154a77796
--- /dev/null
+++ b/usr/src/uts/common/io/dr_sas/dr_sas_list.h
@@ -0,0 +1,212 @@
+/*
+ * dr_sas_list.h: header for dr_sas
+ *
+ * Solaris MegaRAID driver for SAS2.0 controllers
+ * Copyright (c) 2008-2009, LSI Logic Corporation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the author nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_DR_SAS_LIST_H_
+#define	_DR_SAS_LIST_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Simple doubly linked list implementation.
+ *
+ * Some of the internal functions ("__xxx") are useful when
+ * manipulating whole lists rather than single entries, as
+ * sometimes we already know the next/prev entries and we can
+ * generate better code by using them directly rather than
+ * using the generic single-entry routines.
+ */
+
+struct mlist_head {
+	struct mlist_head *next, *prev;
+};
+
+typedef struct mlist_head mlist_t;
+
+#define	LIST_HEAD_INIT(name) { &(name), &(name) }
+
+#define	LIST_HEAD(name) \
+	struct mlist_head name = LIST_HEAD_INIT(name)
+
+#define	INIT_LIST_HEAD(ptr) { \
+	(ptr)->next = (ptr); (ptr)->prev = (ptr); \
+}
+
+
+/*
+ * Insert a new entry between two known consecutive entries.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static void __list_add(struct mlist_head *new,
+	struct mlist_head *prev,
+	struct mlist_head *next)
+{
+	next->prev = new;
+	new->next = next;
+	new->prev = prev;
+	prev->next = new;
+}
+
+
+/*
+ * mlist_add - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it after
+ *
+ * Insert a new entry after the specified head.
+ * This is good for implementing stacks.
+ */
+static void mlist_add(struct mlist_head *new, struct mlist_head *head)
+{
+	__list_add(new, head, head->next);
+}
+
+
+/*
+ * mlist_add_tail - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it before
+ *
+ * Insert a new entry before the specified head.
+ * This is useful for implementing queues.
+ */
+static void mlist_add_tail(struct mlist_head *new, struct mlist_head *head)
+{
+	__list_add(new, head->prev, head);
+}
+
+
+
+/*
+ * Delete a list entry by making the prev/next entries
+ * point to each other.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static void __list_del(struct mlist_head *prev,
+			struct mlist_head *next)
+{
+	next->prev = prev;
+	prev->next = next;
+}
+
+
+/*
+ * mlist_del_init - deletes entry from list and reinitialize it.
+ * @entry: the element to delete from the list.
+ */
+static void mlist_del_init(struct mlist_head *entry)
+{
+	__list_del(entry->prev, entry->next);
+	INIT_LIST_HEAD(entry);
+}
+
+
+/*
+ * mlist_empty - tests whether a list is empty
+ * @head: the list to test.
+ */
+static int mlist_empty(struct mlist_head *head)
+{
+	return (head->next == head);
+}
+
+
+/*
+ * mlist_splice - join two lists
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ */
+static void mlist_splice(struct mlist_head *list, struct mlist_head *head)
+{
+	struct mlist_head *first = list->next;
+
+	if (first != list) {
+		struct mlist_head *last = list->prev;
+		struct mlist_head *at = head->next;
+
+		first->prev = head;
+		head->next = first;
+
+		last->next = at;
+		at->prev = last;
+	}
+}
+
+
+/*
+ * mlist_entry - get the struct for this entry
+ * @ptr:	the &struct mlist_head pointer.
+ * @type:	the type of the struct this is embedded in.
+ * @member:	the name of the list_struct within the struct.
+ */
+#define	mlist_entry(ptr, type, member) \
+	((type *)((size_t)(ptr) - offsetof(type, member)))
+
+
+/*
+ * mlist_for_each	-	iterate over a list
+ * @pos:	the &struct mlist_head to use as a loop counter.
+ * @head:	the head for your list.
+ */
+#define	mlist_for_each(pos, head) \
+	for (pos = (head)->next, prefetch(pos->next); pos != (head); \
+		pos = pos->next, prefetch(pos->next))
+
+
+/*
+ * mlist_for_each_safe - iterate over a list safe against removal of list entry
+ * @pos:	the &struct mlist_head to use as a loop counter.
+ * @n:		another &struct mlist_head to use as temporary storage
+ * @head:	the head for your list.
+ */
+#define	mlist_for_each_safe(pos, n, head) \
+	for (pos = (head)->next, n = pos->next; pos != (head); \
+		pos = n, n = pos->next)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _DR_SAS_LIST_H_ */
diff --git a/usr/src/uts/common/io/eventfd.c b/usr/src/uts/common/io/eventfd.c
new file mode 100644
index 0000000000..6683a9ca8e
--- /dev/null
+++ b/usr/src/uts/common/io/eventfd.c
@@ -0,0 +1,414 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Support for the eventfd facility, a Linux-borne facility for user-generated
+ * file descriptor-based events.
+ */
+
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/eventfd.h>
+#include <sys/conf.h>
+#include <sys/vmem.h>
+#include <sys/sysmacros.h>
+#include <sys/filio.h>
+#include <sys/stat.h>
+#include <sys/file.h>
+
+struct eventfd_state;
+typedef struct eventfd_state eventfd_state_t;
+
+struct eventfd_state {
+	kmutex_t efd_lock;			/* lock protecting state */
+	boolean_t efd_semaphore;		/* boolean: sema. semantics */
+	kcondvar_t efd_cv;			/* condvar */
+	pollhead_t efd_pollhd;			/* poll head */
+	uint64_t efd_value;			/* value */
+	eventfd_state_t *efd_next;		/* next state on global list */
+};
+
+/*
+ * Internal global variables.
+ */
+static kmutex_t		eventfd_lock;		/* lock protecting state */
+static dev_info_t	*eventfd_devi;		/* device info */
+static vmem_t		*eventfd_minor;		/* minor number arena */
+static void		*eventfd_softstate;	/* softstate pointer */
+static eventfd_state_t	*eventfd_state;		/* global list of state */
+
+/*ARGSUSED*/
+static int
+eventfd_open(dev_t *devp, int flag, int otyp, cred_t *cred_p)
+{
+	eventfd_state_t *state;
+	major_t major = getemajor(*devp);
+	minor_t minor = getminor(*devp);
+
+	if (minor != EVENTFDMNRN_EVENTFD)
+		return (ENXIO);
+
+	mutex_enter(&eventfd_lock);
+
+	minor = (minor_t)(uintptr_t)vmem_alloc(eventfd_minor, 1,
+	    VM_BESTFIT | VM_SLEEP);
+
+	if (ddi_soft_state_zalloc(eventfd_softstate, minor) != DDI_SUCCESS) {
+		vmem_free(eventfd_minor, (void *)(uintptr_t)minor, 1);
+		mutex_exit(&eventfd_lock);
+		return (NULL);
+	}
+
+	state = ddi_get_soft_state(eventfd_softstate, minor);
+	*devp = makedevice(major, minor);
+
+	state->efd_next = eventfd_state;
+	eventfd_state = state;
+
+	mutex_exit(&eventfd_lock);
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+eventfd_read(dev_t dev, uio_t *uio, cred_t *cr)
+{
+	eventfd_state_t *state;
+	minor_t minor = getminor(dev);
+	uint64_t val, oval;
+	int err;
+
+	if (uio->uio_resid < sizeof (val))
+		return (EINVAL);
+
+	state = ddi_get_soft_state(eventfd_softstate, minor);
+
+	mutex_enter(&state->efd_lock);
+
+	while (state->efd_value == 0) {
+		if (uio->uio_fmode & (FNDELAY|FNONBLOCK)) {
+			mutex_exit(&state->efd_lock);
+			return (EAGAIN);
+		}
+
+		if (!cv_wait_sig_swap(&state->efd_cv, &state->efd_lock)) {
+			mutex_exit(&state->efd_lock);
+			return (EINTR);
+		}
+	}
+
+	/*
+	 * We have a non-zero value and we own the lock; our behavior now
+	 * depends on whether or not EFD_SEMAPHORE was set when the eventfd
+	 * was created.
+	 */
+	val = oval = state->efd_value;
+
+	if (state->efd_semaphore) {
+		state->efd_value--;
+		val = 1;
+	} else {
+		state->efd_value = 0;
+	}
+
+	err = uiomove(&val, sizeof (val), UIO_READ, uio);
+
+	mutex_exit(&state->efd_lock);
+
+	if (oval == EVENTFD_VALMAX) {
+		cv_broadcast(&state->efd_cv);
+		pollwakeup(&state->efd_pollhd, POLLWRNORM | POLLOUT);
+	}
+
+	return (err);
+}
+
+/*ARGSUSED*/
+static int
+eventfd_write(dev_t dev, struct uio *uio, cred_t *credp)
+{
+	eventfd_state_t *state;
+	minor_t minor = getminor(dev);
+	uint64_t val, oval;
+	int err;
+
+	if (uio->uio_resid < sizeof (val))
+		return (EINVAL);
+
+	if ((err = uiomove(&val, sizeof (val), UIO_WRITE, uio)) != 0)
+		return (err);
+
+	if (val > EVENTFD_VALMAX)
+		return (EINVAL);
+
+	state = ddi_get_soft_state(eventfd_softstate, minor);
+
+	mutex_enter(&state->efd_lock);
+
+	while (val > EVENTFD_VALMAX - state->efd_value) {
+		if (uio->uio_fmode & (FNDELAY|FNONBLOCK)) {
+			mutex_exit(&state->efd_lock);
+			return (EAGAIN);
+		}
+
+		if (!cv_wait_sig_swap(&state->efd_cv, &state->efd_lock)) {
+			mutex_exit(&state->efd_lock);
+			return (EINTR);
+		}
+	}
+
+	/*
+	 * We now know that we can add the value without overflowing.
+	 */
+	state->efd_value = (oval = state->efd_value) + val;
+
+	mutex_exit(&state->efd_lock);
+
+	if (oval == 0) {
+		cv_broadcast(&state->efd_cv);
+		pollwakeup(&state->efd_pollhd, POLLRDNORM | POLLIN);
+	}
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+eventfd_poll(dev_t dev, short events, int anyyet, short *reventsp,
+    struct pollhead **phpp)
+{
+	eventfd_state_t *state;
+	minor_t minor = getminor(dev);
+	short revents = 0;
+
+	state = ddi_get_soft_state(eventfd_softstate, minor);
+
+	mutex_enter(&state->efd_lock);
+
+	if (state->efd_value > 0)
+		revents |= POLLRDNORM | POLLIN;
+
+	if (state->efd_value < EVENTFD_VALMAX)
+		revents |= POLLWRNORM | POLLOUT;
+
+	if (!(*reventsp = revents & events) && !anyyet)
+		*phpp = &state->efd_pollhd;
+
+	mutex_exit(&state->efd_lock);
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+eventfd_ioctl(dev_t dev, int cmd, intptr_t arg, int md, cred_t *cr, int *rv)
+{
+	eventfd_state_t *state;
+	minor_t minor = getminor(dev);
+
+	state = ddi_get_soft_state(eventfd_softstate, minor);
+
+	switch (cmd) {
+	case EVENTFDIOC_SEMAPHORE: {
+		mutex_enter(&state->efd_lock);
+		state->efd_semaphore ^= 1;
+		mutex_exit(&state->efd_lock);
+
+		return (0);
+	}
+
+	default:
+		break;
+	}
+
+	return (ENOTTY);
+}
+
+/*ARGSUSED*/
+static int
+eventfd_close(dev_t dev, int flag, int otyp, cred_t *cred_p)
+{
+	eventfd_state_t *state, **sp;
+	minor_t minor = getminor(dev);
+
+	state = ddi_get_soft_state(eventfd_softstate, minor);
+
+	if (state->efd_pollhd.ph_list != NULL) {
+		pollwakeup(&state->efd_pollhd, POLLERR);
+		pollhead_clean(&state->efd_pollhd);
+	}
+
+	mutex_enter(&eventfd_lock);
+
+	/*
+	 * Remove our state from our global list.
+	 */
+	for (sp = &eventfd_state; *sp != state; sp = &((*sp)->efd_next))
+		VERIFY(*sp != NULL);
+
+	*sp = (*sp)->efd_next;
+
+	ddi_soft_state_free(eventfd_softstate, minor);
+	vmem_free(eventfd_minor, (void *)(uintptr_t)minor, 1);
+
+	mutex_exit(&eventfd_lock);
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+eventfd_attach(dev_info_t *devi, ddi_attach_cmd_t cmd)
+{
+	mutex_enter(&eventfd_lock);
+
+	if (ddi_soft_state_init(&eventfd_softstate,
+	    sizeof (eventfd_state_t), 0) != 0) {
+		cmn_err(CE_NOTE, "/dev/eventfd failed to create soft state");
+		mutex_exit(&eventfd_lock);
+		return (DDI_FAILURE);
+	}
+
+	if (ddi_create_minor_node(devi, "eventfd", S_IFCHR,
+	    EVENTFDMNRN_EVENTFD, DDI_PSEUDO, NULL) == DDI_FAILURE) {
+		cmn_err(CE_NOTE, "/dev/eventfd couldn't create minor node");
+		ddi_soft_state_fini(&eventfd_softstate);
+		mutex_exit(&eventfd_lock);
+		return (DDI_FAILURE);
+	}
+
+	ddi_report_dev(devi);
+	eventfd_devi = devi;
+
+	eventfd_minor = vmem_create("eventfd_minor", (void *)EVENTFDMNRN_CLONE,
+	    UINT32_MAX - EVENTFDMNRN_CLONE, 1, NULL, NULL, NULL, 0,
+	    VM_SLEEP | VMC_IDENTIFIER);
+
+	mutex_exit(&eventfd_lock);
+
+	return (DDI_SUCCESS);
+}
+
+/*ARGSUSED*/
+static int
+eventfd_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
+{
+	switch (cmd) {
+	case DDI_DETACH:
+		break;
+
+	case DDI_SUSPEND:
+		return (DDI_SUCCESS);
+
+	default:
+		return (DDI_FAILURE);
+	}
+
+	mutex_enter(&eventfd_lock);
+	vmem_destroy(eventfd_minor);
+
+	ddi_remove_minor_node(eventfd_devi, NULL);
+	eventfd_devi = NULL;
+
+	ddi_soft_state_fini(&eventfd_softstate);
+	mutex_exit(&eventfd_lock);
+
+	return (DDI_SUCCESS);
+}
+
+/*ARGSUSED*/
+static int
+eventfd_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result)
+{
+	int error;
+
+	switch (infocmd) {
+	case DDI_INFO_DEVT2DEVINFO:
+		*result = (void *)eventfd_devi;
+		error = DDI_SUCCESS;
+		break;
+	case DDI_INFO_DEVT2INSTANCE:
+		*result = (void *)0;
+		error = DDI_SUCCESS;
+		break;
+	default:
+		error = DDI_FAILURE;
+	}
+	return (error);
+}
+
+static struct cb_ops eventfd_cb_ops = {
+	eventfd_open,		/* open */
+	eventfd_close,		/* close */
+	nulldev,		/* strategy */
+	nulldev,		/* print */
+	nodev,			/* dump */
+	eventfd_read,		/* read */
+	eventfd_write,		/* write */
+	eventfd_ioctl,		/* ioctl */
+	nodev,			/* devmap */
+	nodev,			/* mmap */
+	nodev,			/* segmap */
+	eventfd_poll,		/* poll */
+	ddi_prop_op,		/* cb_prop_op */
+	0,			/* streamtab  */
+	D_NEW | D_MP		/* Driver compatibility flag */
+};
+
+static struct dev_ops eventfd_ops = {
+	DEVO_REV,		/* devo_rev */
+	0,			/* refcnt */
+	eventfd_info,		/* get_dev_info */
+	nulldev,		/* identify */
+	nulldev,		/* probe */
+	eventfd_attach,		/* attach */
+	eventfd_detach,		/* detach */
+	nodev,			/* reset */
+	&eventfd_cb_ops,	/* driver operations */
+	NULL,			/* bus operations */
+	nodev,			/* dev power */
+	ddi_quiesce_not_needed,	/* quiesce */
+};
+
+static struct modldrv modldrv = {
+	&mod_driverops,		/* module type (this is a pseudo driver) */
+	"eventfd support",	/* name of module */
+	&eventfd_ops,		/* driver ops */
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1,
+	(void *)&modldrv,
+	NULL
+};
+
+int
+_init(void)
+{
+	return (mod_install(&modlinkage));
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	return (mod_remove(&modlinkage));
+}
diff --git a/usr/src/uts/common/io/eventfd.conf b/usr/src/uts/common/io/eventfd.conf
new file mode 100644
index 0000000000..f9c6dc11b2
--- /dev/null
+++ b/usr/src/uts/common/io/eventfd.conf
@@ -0,0 +1,16 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+name="eventfd" parent="pseudo" instance=0;
diff --git a/usr/src/uts/common/io/fibre-channel/fca/oce/oce_rx.c b/usr/src/uts/common/io/fibre-channel/fca/oce/oce_rx.c
index c8af6ae527..2930fe578c 100644
--- a/usr/src/uts/common/io/fibre-channel/fca/oce/oce_rx.c
+++ b/usr/src/uts/common/io/fibre-channel/fca/oce/oce_rx.c
@@ -532,8 +532,7 @@ oce_drain_rq_cq(void *arg)
 			if (dev->function_mode & FLEX10_MODE) {
 				if (cqe->u0.s.vlan_tag_present &&
 				    cqe->u0.s.qnq) {
-					oce_rx_insert_tag(mp,
-					    cqe->u0.s.vlan_tag);
+					oce_rx_insert_tag(mp, cqe->u0.s.vlan_tag);
 				}
 			} else if (cqe->u0.s.vlan_tag_present) {
 				oce_rx_insert_tag(mp, cqe->u0.s.vlan_tag);
diff --git a/usr/src/uts/common/io/fibre-channel/impl/fctl.c b/usr/src/uts/common/io/fibre-channel/impl/fctl.c
index 634de6c6dd..87105e779d 100644
--- a/usr/src/uts/common/io/fibre-channel/impl/fctl.c
+++ b/usr/src/uts/common/io/fibre-channel/impl/fctl.c
@@ -24,6 +24,7 @@
  */
 /*
  * Copyright 2012 Garrett D'Amore <garrett@damore.org>.  All rights reserved.
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
  */
 /*
  * Fibre channel Transport Library (fctl)
@@ -5500,6 +5501,11 @@ fc_ulp_get_adapter_paths(char *pathList, int count)
 		maxPorts ++;
 	}
 
+	if (maxPorts == 0) {
+		mutex_exit(&fctl_port_lock);
+		return (0);
+	}
+
 	/* Now allocate a buffer to store all the pointers for comparisons */
 	portList = kmem_zalloc(sizeof (fc_local_port_t *) * maxPorts, KM_SLEEP);
 
diff --git a/usr/src/uts/common/io/gsqueue/gsqueue.c b/usr/src/uts/common/io/gsqueue/gsqueue.c
new file mode 100644
index 0000000000..b484b16142
--- /dev/null
+++ b/usr/src/uts/common/io/gsqueue/gsqueue.c
@@ -0,0 +1,612 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Serialization queues are a technique used in illumos to provide what's
+ * commonly known as a 'vertical' perimeter. The idea (described a bit in
+ * uts/common/inet/squeue.c) is to provide a means to make sure that message
+ * blocks (mblk_t) are processed in a specific order. Subsystems like ip and vnd
+ * consume these on different policies, ip on a conn_t basis, vnd on a per
+ * device basis, and use this to ensure that only one packet is being processed
+ * at a given time.
+ *
+ * Serialization queues were originally used by ip. As part of that
+ * implementation, many of the details of ip were baked into it. That includes
+ * things like conn_t, ip receive attributes, and the notion of sets. While an
+ * individual serialization queue, or gsqueue_t, is a useful level of
+ * abstraction, it isn't the basis on which monst consumers want to manage them.
+ * Instead, we have the notion of a set of serialization queues. These sets are
+ * DR (CPU Dynamic reconfiguration) aware, and allow consumers to have a
+ * gsqueue_t per CPU to fanout on without managing them all itself. In the
+ * original implementation, this existed, but they were heavily tied into the
+ * infrastructure of IP, and its notion of polling on the underlying MAC
+ * devices.
+ *
+ * The result of that past is a new interface to serialization queues and a
+ * similar, but slightly different, abstraction to sets of these
+ * (gsqueue_set_t).  When designing this there are two different approaches that
+ * one could consider. The first is that the system has one gsqueue_set_t that
+ * the entire world shares, whether IP or some other consumer. The other is that
+ * every consumer has their own set.
+ *
+ * The trade offs between these two failure modes are the pathological failure
+ * modes. There is no guarantee that any two consumers here are equivalent. In
+ * fact, they very likely have very different latency profiles. If they are
+ * being processed in the same queue, that can lead to very odd behaviors. More
+ * generally, if we have a series of processing functions from one consumer
+ * which are generally short, and another which are generally long, that'll
+ * cause undue latency that's harder to observe. If we instead take the approach
+ * that each consumer should have its own set that it fans out over then we
+ * won't end up with the problem that a given serialization queue will have
+ * multiple latency profiles, but instead we'll see cpu contention for the bound
+ * gsqueue_t worker thread. Keep in mind though, that only the gsqueue_t worker
+ * thread is bound and it is in fact possible for it to be processed by other
+ * threads on other CPUs.
+ *
+ * We've opted to go down the second path, so each consumer has its own
+ * independent set of serialization queues that it is bound over.
+ *
+ * Structure Hierarchies
+ * ---------------------
+ *
+ * At the top level, we have a single list of gsqueue_set_t. The gsqueue_set_t
+ * encapsulates all the per-CPU gsqueue_t that exist in the form of
+ * gsqueue_cpu_t.  The gsqueue_cpu_t has been designed such that it could
+ * accommodate more than one gsqueue_t, but today there is a one to one mapping.
+ *
+ * We maintain two different lists of gsqueue_cpu_t, the active and defunct
+ * sets. The active set is maintained in the array `gs_cpus`. There are NCPU
+ * entries available in `gs_cpus` with the total number of currently active cpus
+ * described in `gs_ncpus`. The ordering of `gs_cpus` is unimportant.  When
+ * there is no longer a need for a given binding (see the following section for
+ * more explanation on when this is the case) then we move the entry to the
+ * `gs_defunct` list which is just a singly linked list of gsqueue_cpu_t.
+ *
+ * In addition, each gsqueue_set_t can have a series of callbacks registered
+ * with it. These are described in the following section. Graphically, a given
+ * gsqueue_set_t looks roughly like the following:
+ *
+ *     +---------------+
+ *     | gsqueue_set_t |
+ *     +---------------+
+ *       |    |     |
+ *       |    |     * . . . gs_cpus
+ *       |    |     |
+ *       |    |     |      +-------------------------------------------------+
+ *       |    |     +----->| gsqueue_cpu_t || gsqueue_cpu_t || gsqueue_cpu_t |...
+ *       |    |            +-------------------------------------------------+
+ *       |    |
+ *       |    * . . . gs_defunct
+ *       |    |
+ *       |    |    +---------------+   +---------------+   +---------------+
+ *       |    +--->| gsqueue_cpu_t |-->| gsqueue_cpu_t |-->| gsqueue_cpu_t |...
+ *       |         +---------------+   +---------------+   +---------------+
+ *       * . . . gs_cbs
+ *       |
+ *       |    +--------------+   +--------------+  +--------------+
+ *       +--->| gsqueue_cb_t |-->| gsqueue_cb_t |->| gsqueue_cb_t |...
+ *            +--------------+   +--------------+  +--------------+
+ *
+ * CPU DR, gsqueue_t, and gsqueue_t
+ * --------------------------------
+ *
+ * Recall, that every serialization queue (gsqueue_t or squeue_t) has a worker
+ * thread that may end up doing work. As part of supporting fanout, we have one
+ * gsqueue_t per CPU, and its worker thread is bound to that CPU. Because of
+ * this binding, we need to deal with CPU DR changes.
+ *
+ * The gsqueue driver maintains a single CPU DR callback that is used for the
+ * entire sub-system. We break down CPU DR events into three groups. Offline
+ * events, online events, and events we can ignore. When the first group occurs,
+ * we need to go through every gsqueue_t, find the gsqueue_cpu_t that
+ * corresponds to that processor id, and unbind all of its gsqueue_t's. It's
+ * rather important that we only unbind the gsqueue_t's and not actually destroy
+ * them. When this happens, they could very easily have data queued inside of
+ * them and it's unreasonable to just throw out everything in them at this
+ * point. The data remains intact and service continues uinterrupted.
+ *
+ * When we receive an online event, we do the opposite. We try to find a
+ * gsqueue_cpu_t that previously was bound to this CPU (by leaving its gqc_cpuid
+ * field intact) in the defunct list. If we find one, we remove it from the
+ * defunct list and add it to the active list as well as binding the gsqueue_t
+ * to the CPU in question. If we don't find one, then we create a new one.
+ *
+ * To deal with these kinds of situations, we allow a consumer to register
+ * callbacks for the gsqueue_t that they are interested in. These callbacks will
+ * fire whenever we are handling a topology change. The design of the callbacks
+ * is not that the user can take any administrative action during them, but
+ * rather set something for them to do asynchronously. It is illegal to make any
+ * calls into the gsqueue system while you are in a callback.
+ *
+ * Locking
+ * -------
+ *
+ * The lock ordering here is fairly straightforward. Due to our use of CPU
+ * binding and the CPU DR callbacks, we have an additional lock to consider
+ * cpu_lock. Because of that, the following are the rules for locking:
+ *
+ *
+ *   o If performing binding operations, you must grab cpu_lock. cpu_lock is
+ *     also at the top of the order.
+ *
+ *   o cpu_lock > gsqueue_lock > gsqueue_t`gs_lock > squeue_t`sq_lock
+ *     If you need to take multiple locks, you must take the greatest
+ *     (left-most) one first.
+ */
+
+#include <sys/types.h>
+#include <sys/conf.h>
+#include <sys/stat.h>
+#include <sys/kmem.h>
+#include <sys/stream.h>
+#include <sys/modctl.h>
+#include <sys/cpuvar.h>
+#include <sys/list.h>
+#include <sys/sysmacros.h>
+
+#include <sys/gsqueue.h>
+#include <sys/squeue_impl.h>
+
+typedef struct gsqueue_cb {
+	struct gsqueue_cb *gcb_next;
+	gsqueue_cb_f gcb_func;
+	void *gcb_arg;
+} gsqueue_cb_t;
+
+typedef struct gsqueue_cpu {
+	struct gsqueue_cpu *gqc_next;
+	squeue_t *gqc_head;
+	processorid_t gqc_cpuid;
+} gsqueue_cpu_t;
+
+struct gsqueue_set {
+	list_node_t gs_next;
+	uint_t gs_wwait;
+	pri_t gs_wpri;
+	kmutex_t gs_lock;
+	int gs_ncpus;
+	gsqueue_cpu_t **gs_cpus;
+	gsqueue_cpu_t *gs_defunct;
+	gsqueue_cb_t *gs_cbs;
+};
+
+static kmutex_t gsqueue_lock;
+static list_t gsqueue_list;
+static kmem_cache_t *gsqueue_cb_cache;
+static kmem_cache_t *gsqueue_cpu_cache;
+static kmem_cache_t *gsqueue_set_cache;
+
+static gsqueue_cpu_t *
+gsqueue_cpu_create(uint_t wwait, pri_t wpri, processorid_t cpuid)
+{
+	gsqueue_cpu_t *scp;
+
+	scp = kmem_cache_alloc(gsqueue_cpu_cache, KM_SLEEP);
+
+	scp->gqc_next = NULL;
+	scp->gqc_cpuid = cpuid;
+	scp->gqc_head = squeue_create(wwait, wpri, B_FALSE);
+	scp->gqc_head->sq_state = SQS_DEFAULT;
+	squeue_bind(scp->gqc_head, cpuid);
+
+	return (scp);
+}
+
+static void
+gsqueue_cpu_destroy(gsqueue_cpu_t *scp)
+{
+	squeue_destroy(scp->gqc_head);
+	kmem_cache_free(gsqueue_cpu_cache, scp);
+}
+
+gsqueue_set_t *
+gsqueue_set_create(uint_t wwait, pri_t wpri)
+{
+	int i;
+	gsqueue_set_t *gssp;
+
+	gssp = kmem_cache_alloc(gsqueue_set_cache, KM_SLEEP);
+	gssp->gs_wwait = wwait;
+	gssp->gs_wpri = wpri;
+	gssp->gs_ncpus = 0;
+
+	/*
+	 * We're grabbing CPU lock. Once we let go of it we have to ensure all
+	 * set up of the gsqueue_set_t is complete, as it'll be in there for the
+	 * various CPU DR bits.
+	 */
+	mutex_enter(&cpu_lock);
+
+	for (i = 0; i < NCPU; i++) {
+		gsqueue_cpu_t *scp;
+		cpu_t *cp = cpu_get(i);
+		if (cp != NULL && CPU_ACTIVE(cp) &&
+		    cp->cpu_flags & CPU_EXISTS) {
+			scp = gsqueue_cpu_create(wwait, wpri, cp->cpu_id);
+			gssp->gs_cpus[gssp->gs_ncpus] = scp;
+			gssp->gs_ncpus++;
+		}
+	}
+
+	/* Finally we can add it to our global list and be done */
+	mutex_enter(&gsqueue_lock);
+	list_insert_tail(&gsqueue_list, gssp);
+	mutex_exit(&gsqueue_lock);
+	mutex_exit(&cpu_lock);
+
+	return (gssp);
+}
+
+void
+gsqueue_set_destroy(gsqueue_set_t *gssp)
+{
+	int i;
+	gsqueue_cpu_t *scp;
+
+	/*
+	 * Go through and unbind all of the squeues while cpu_lock is held and
+	 * move them to the defunct list. Once that's done, we don't need to do
+	 * anything else with cpu_lock.
+	 */
+	mutex_enter(&cpu_lock);
+	mutex_enter(&gsqueue_lock);
+	list_remove(&gsqueue_list, gssp);
+	mutex_exit(&gsqueue_lock);
+
+	mutex_enter(&gssp->gs_lock);
+
+	for (i = 0; i < gssp->gs_ncpus; i++) {
+		scp = gssp->gs_cpus[i];
+		squeue_unbind(scp->gqc_head);
+		scp->gqc_next = gssp->gs_defunct;
+		gssp->gs_defunct = scp;
+		gssp->gs_cpus[i] = NULL;
+	}
+	gssp->gs_ncpus = 0;
+
+	mutex_exit(&gssp->gs_lock);
+	mutex_exit(&cpu_lock);
+
+	while (gssp->gs_defunct != NULL) {
+		gsqueue_cpu_t *scp;
+
+		scp = gssp->gs_defunct;
+		gssp->gs_defunct = scp->gqc_next;
+		gsqueue_cpu_destroy(scp);
+	}
+
+	while (gssp->gs_cbs != NULL) {
+		gsqueue_cb_t *cbp;
+
+		cbp = gssp->gs_cbs;
+		gssp->gs_cbs = cbp->gcb_next;
+		kmem_cache_free(gsqueue_cb_cache, cbp);
+	}
+
+	ASSERT(gssp->gs_ncpus == 0);
+	ASSERT(gssp->gs_defunct == NULL);
+	ASSERT(gssp->gs_cbs == NULL);
+	kmem_cache_free(gsqueue_set_cache, gssp);
+}
+
+gsqueue_t *
+gsqueue_set_get(gsqueue_set_t *gssp, uint_t index)
+{
+	squeue_t *sqp;
+	gsqueue_cpu_t *scp;
+
+	mutex_enter(&gssp->gs_lock);
+	scp = gssp->gs_cpus[index % gssp->gs_ncpus];
+	sqp = scp->gqc_head;
+	mutex_exit(&gssp->gs_lock);
+	return ((gsqueue_t *)sqp);
+}
+
+uintptr_t
+gsqueue_set_cb_add(gsqueue_set_t *gssp, gsqueue_cb_f cb, void *arg)
+{
+	gsqueue_cb_t *cbp;
+
+	cbp = kmem_cache_alloc(gsqueue_cb_cache, KM_SLEEP);
+	cbp->gcb_func = cb;
+	cbp->gcb_arg = arg;
+
+	mutex_enter(&gssp->gs_lock);
+	cbp->gcb_next = gssp->gs_cbs;
+	gssp->gs_cbs = cbp;
+	mutex_exit(&gssp->gs_lock);
+	return ((uintptr_t)cbp);
+}
+
+int
+gsqueue_set_cb_remove(gsqueue_set_t *gssp, uintptr_t id)
+{
+	gsqueue_cb_t *cbp, *prev;
+	mutex_enter(&gssp->gs_lock);
+	cbp = gssp->gs_cbs;
+	prev = NULL;
+	while (cbp != NULL) {
+		if ((uintptr_t)cbp != id) {
+			prev = cbp;
+			cbp = cbp->gcb_next;
+			continue;
+		}
+
+		if (prev == NULL) {
+			gssp->gs_cbs = cbp->gcb_next;
+		} else {
+			prev->gcb_next = cbp->gcb_next;
+		}
+
+		mutex_exit(&gssp->gs_lock);
+		kmem_cache_free(gsqueue_cb_cache, cbp);
+		return (0);
+	}
+	mutex_exit(&gssp->gs_lock);
+	return (-1);
+}
+
+void
+gsqueue_enter_one(gsqueue_t *gsp, mblk_t *mp, gsqueue_proc_f func, void *arg,
+    int flags, uint8_t tag)
+{
+	squeue_t *sqp = (squeue_t *)gsp;
+
+	ASSERT(mp->b_next == NULL);
+	ASSERT(mp->b_prev == NULL);
+	mp->b_queue = (queue_t *)func;
+	mp->b_prev = arg;
+	sqp->sq_enter(sqp, mp, mp, 1, NULL, flags, tag);
+}
+
+static void
+gsqueue_notify(gsqueue_set_t *gssp, squeue_t *sqp, boolean_t online)
+{
+	gsqueue_cb_t *cbp;
+
+	ASSERT(MUTEX_HELD(&gssp->gs_lock));
+	cbp = gssp->gs_cbs;
+	while (cbp != NULL) {
+		cbp->gcb_func(gssp, (gsqueue_t *)sqp, cbp->gcb_arg, online);
+		cbp = cbp->gcb_next;
+	}
+
+}
+
+/*
+ * When we online a processor we need to go through and either bind a defunct
+ * squeue or create a new one. We'll try to reuse a gsqueue_cpu_t from the
+ * defunct list that used to be on that processor. If no such gsqueue_cpu_t
+ * exists, then we'll create a new one. We'd rather avoid taking over an
+ * existing defunct one that used to be on another CPU, as its not unreasonable
+ * to believe that its CPU will come back. More CPUs are offlined and onlined by
+ * the administrator or by creating cpu sets than actually get offlined by FMA.
+ */
+static void
+gsqueue_handle_online(processorid_t id)
+{
+	gsqueue_set_t *gssp;
+
+	ASSERT(MUTEX_HELD(&cpu_lock));
+	mutex_enter(&gsqueue_lock);
+	for (gssp = list_head(&gsqueue_list); gssp != NULL;
+	    gssp = list_next(&gsqueue_list, gssp)) {
+		gsqueue_cpu_t *scp;
+
+		mutex_enter(&gssp->gs_lock);
+		scp = gssp->gs_defunct;
+		while (scp != NULL) {
+			if (scp->gqc_cpuid == id)
+				break;
+			scp = scp->gqc_next;
+		}
+
+		if (scp == NULL) {
+			scp = gsqueue_cpu_create(gssp->gs_wwait,
+			    gssp->gs_wpri, id);
+		} else {
+			squeue_bind(scp->gqc_head, id);
+		}
+		ASSERT(gssp->gs_ncpus < NCPU);
+		gssp->gs_cpus[gssp->gs_ncpus] = scp;
+		gssp->gs_ncpus++;
+		gsqueue_notify(gssp, scp->gqc_head, B_TRUE);
+		mutex_exit(&gssp->gs_lock);
+	}
+	mutex_exit(&gsqueue_lock);
+}
+
+static void
+gsqueue_handle_offline(processorid_t id)
+{
+	gsqueue_set_t *gssp;
+
+	ASSERT(MUTEX_HELD(&cpu_lock));
+	mutex_enter(&gsqueue_lock);
+	for (gssp = list_head(&gsqueue_list); gssp != NULL;
+	    gssp = list_next(&gsqueue_list, gssp)) {
+		int i;
+		gsqueue_cpu_t *scp = NULL;
+
+		mutex_enter(&gssp->gs_lock);
+		for (i = 0; i < gssp->gs_ncpus; i++) {
+			if (gssp->gs_cpus[i]->gqc_cpuid == id) {
+				scp = gssp->gs_cpus[i];
+				break;
+			}
+		}
+
+		if (scp != NULL) {
+			squeue_unbind(scp->gqc_head);
+			scp->gqc_next = gssp->gs_defunct;
+			gssp->gs_defunct = scp;
+			gssp->gs_cpus[i] = gssp->gs_cpus[gssp->gs_ncpus-1];
+			gssp->gs_ncpus--;
+			gsqueue_notify(gssp, scp->gqc_head, B_FALSE);
+		}
+		mutex_exit(&gssp->gs_lock);
+	}
+	mutex_exit(&gsqueue_lock);
+}
+
+/* ARGSUSED */
+static int
+gsqueue_cpu_setup(cpu_setup_t what, int id, void *unused)
+{
+	cpu_t *cp;
+
+	ASSERT(MUTEX_HELD(&cpu_lock));
+	cp = cpu_get(id);
+	switch (what) {
+	case CPU_CONFIG:
+	case CPU_ON:
+	case CPU_INIT:
+	case CPU_CPUPART_IN:
+		if (cp != NULL && CPU_ACTIVE(cp) && cp->cpu_flags & CPU_EXISTS)
+			gsqueue_handle_online(cp->cpu_id);
+		break;
+	case CPU_UNCONFIG:
+	case CPU_OFF:
+	case CPU_CPUPART_OUT:
+		gsqueue_handle_offline(cp->cpu_id);
+		break;
+	default:
+		break;
+	}
+
+	return (0);
+}
+
+
+/* ARGSUSED */
+static int
+gsqueue_set_cache_construct(void *buf, void *arg, int kmflags)
+{
+	gsqueue_set_t *gssp = buf;
+
+	gssp->gs_cpus = kmem_alloc(sizeof (gsqueue_cpu_t *) * NCPU, kmflags);
+	if (gssp->gs_cpus == NULL)
+		return (-1);
+
+	mutex_init(&gssp->gs_lock, NULL, MUTEX_DRIVER, NULL);
+	gssp->gs_ncpus = 0;
+	gssp->gs_defunct = NULL;
+	gssp->gs_cbs = NULL;
+
+	return (0);
+}
+
+static void
+gsqueue_set_cache_destruct(void *buf, void *arg)
+{
+	gsqueue_set_t *gssp = buf;
+
+	kmem_free(gssp->gs_cpus, sizeof (gsqueue_cpu_t *) * NCPU);
+	gssp->gs_cpus = NULL;
+	mutex_destroy(&gssp->gs_lock);
+}
+
+static void
+gsqueue_ddiinit(void)
+{
+	list_create(&gsqueue_list, sizeof (gsqueue_set_t),
+	    offsetof(gsqueue_set_t, gs_next));
+	mutex_init(&gsqueue_lock, NULL, MUTEX_DRIVER, NULL);
+
+	gsqueue_cb_cache = kmem_cache_create("gsqueue_cb_cache",
+	    sizeof (gsqueue_cb_t),
+	    0, NULL, NULL, NULL, NULL, NULL, 0);
+	gsqueue_cpu_cache = kmem_cache_create("gsqueue_cpu_cache",
+	    sizeof (gsqueue_cpu_t),
+	    0, NULL, NULL, NULL, NULL, NULL, 0);
+	gsqueue_set_cache = kmem_cache_create("squeue_set_cache",
+	    sizeof (gsqueue_set_t),
+	    0, gsqueue_set_cache_construct, gsqueue_set_cache_destruct,
+	    NULL, NULL, NULL, 0);
+
+
+	mutex_enter(&cpu_lock);
+	register_cpu_setup_func(gsqueue_cpu_setup, NULL);
+	mutex_exit(&cpu_lock);
+}
+
+static int
+gsqueue_ddifini(void)
+{
+	mutex_enter(&gsqueue_lock);
+	if (list_is_empty(&gsqueue_list) == 0) {
+		mutex_exit(&gsqueue_lock);
+		return (EBUSY);
+	}
+	list_destroy(&gsqueue_list);
+	mutex_exit(&gsqueue_lock);
+
+	mutex_enter(&cpu_lock);
+	register_cpu_setup_func(gsqueue_cpu_setup, NULL);
+	mutex_exit(&cpu_lock);
+
+	kmem_cache_destroy(gsqueue_set_cache);
+	kmem_cache_destroy(gsqueue_cpu_cache);
+	kmem_cache_destroy(gsqueue_cb_cache);
+
+	mutex_destroy(&gsqueue_lock);
+
+	return (0);
+}
+
+static struct modlmisc		gsqueue_modmisc = {
+	&mod_miscops,
+	"gsqueue"
+};
+
+static struct modlinkage	gsqueue_modlinkage = {
+	MODREV_1,
+	&gsqueue_modmisc,
+	NULL
+};
+
+int
+_init(void)
+{
+	int ret;
+
+	gsqueue_ddiinit();
+	if ((ret = mod_install(&gsqueue_modlinkage)) != 0) {
+		VERIFY(gsqueue_ddifini() == 0);
+		return (ret);
+	}
+
+	return (ret);
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&gsqueue_modlinkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	int ret;
+
+	if ((ret = gsqueue_ddifini()) != 0)
+		return (ret);
+
+	if ((ret = mod_remove(&gsqueue_modlinkage)) != 0)
+		return (ret);
+
+	return (0);
+}
diff --git a/usr/src/uts/common/io/inotify.c b/usr/src/uts/common/io/inotify.c
new file mode 100644
index 0000000000..c03c1ee4e2
--- /dev/null
+++ b/usr/src/uts/common/io/inotify.c
@@ -0,0 +1,1508 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Support for the inotify facility, a Linux-borne facility for asynchronous
+ * notification of certain events on specified files or directories.  Our
+ * implementation broadly leverages the file event monitoring facility, and
+ * would actually be quite straightforward were it not for a very serious
+ * blunder in the inotify interface:  in addition to allowing for one to be
+ * notified on events on a particular file or directory, inotify also allows
+ * for one to be notified on certain events on files _within_ a watched
+ * directory -- even though those events have absolutely nothing to do with
+ * the directory itself.  This leads to all sorts of madness because file
+ * operations are (of course) not undertaken on paths but rather on open
+ * files -- and the relationships between open files and the paths that resolve
+ * to those files are neither static nor isomorphic.  We implement this
+ * concept by having _child watches_ when directories are watched with events
+ * in IN_CHILD_EVENTS.  We add child watches when a watch on a directory is
+ * first added, and we modify those child watches dynamically as files are
+ * created, deleted, moved into or moved out of the specified directory.  This
+ * mechanism works well, absent hard links.  Hard links, unfortunately, break
+ * this rather badly, and the user is warned that watches on directories that
+ * have multiple directory entries referring to the same file may behave
+ * unexpectedly.
+ */
+
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/inotify.h>
+#include <sys/fem.h>
+#include <sys/conf.h>
+#include <sys/stat.h>
+#include <sys/vfs_opreg.h>
+#include <sys/vmem.h>
+#include <sys/avl.h>
+#include <sys/sysmacros.h>
+#include <sys/cyclic.h>
+#include <sys/filio.h>
+
+struct inotify_state;
+struct inotify_kevent;
+
+typedef struct inotify_watch inotify_watch_t;
+typedef struct inotify_state inotify_state_t;
+typedef struct inotify_kevent inotify_kevent_t;
+
+struct inotify_watch {
+	kmutex_t inw_lock;			/* lock protecting ref count */
+	int inw_refcnt;				/* reference count */
+	uint8_t inw_zombie:1;			/* boolean: is zombie */
+	uint8_t inw_fired:1;			/* boolean: fired one-shot */
+	uint8_t inw_active:1;			/* boolean: watch is active */
+	uint8_t inw_orphaned:1;			/* boolean: orphaned */
+	kcondvar_t inw_cv;			/* condvar for zombifier */
+	uint32_t inw_mask;			/* mask of watch */
+	int32_t inw_wd;				/* watch descriptor */
+	vnode_t *inw_vp;			/* underlying vnode */
+	inotify_watch_t *inw_parent;		/* parent, if a child */
+	avl_node_t inw_byvp;			/* watches by vnode */
+	avl_node_t inw_bywd;			/* watches by descriptor */
+	avl_tree_t inw_children;		/* children, if a parent */
+	char *inw_name;				/* name, if a child */
+	list_node_t inw_orphan;			/* orphan list */
+	cred_t *inw_cred;			/* cred, if orphaned */
+	inotify_state_t *inw_state;		/* corresponding state */
+};
+
+struct inotify_kevent {
+	inotify_kevent_t *ine_next;		/* next event in queue */
+	struct inotify_event ine_event;		/* event (variable size) */
+};
+
+#define	INOTIFY_EVENT_LENGTH(ev) \
+	(sizeof (inotify_kevent_t) + (ev)->ine_event.len)
+
+struct inotify_state {
+	kmutex_t ins_lock;			/* lock protecting state */
+	avl_tree_t ins_byvp;			/* watches by vnode */
+	avl_tree_t ins_bywd;			/* watches by descriptor */
+	vmem_t *ins_wds;			/* watch identifier arena */
+	int ins_maxwatches;			/* maximum number of watches */
+	int ins_maxevents;			/* maximum number of events */
+	int ins_nevents;			/* current # of events */
+	int32_t ins_size;			/* total size of events */
+	inotify_kevent_t *ins_head;		/* head of event queue */
+	inotify_kevent_t *ins_tail;		/* tail of event queue */
+	pollhead_t ins_pollhd;			/* poll head */
+	kcondvar_t ins_cv;			/* condvar for reading */
+	list_t ins_orphans;			/* orphan list */
+	cyclic_id_t ins_cleaner;		/* cyclic for cleaning */
+	inotify_watch_t *ins_zombies;		/* zombie watch list */
+	cred_t *ins_cred;			/* creator's credentials */
+	inotify_state_t *ins_next;		/* next state on global list */
+};
+
+/*
+ * Tunables (exported read-only in lx-branded zones via /proc).
+ */
+int	inotify_maxwatches = 8192;		/* max watches per instance */
+int	inotify_maxevents = 16384;		/* max events */
+int	inotify_maxinstances = 128;		/* max instances per user */
+
+/*
+ * Internal global variables.
+ */
+static kmutex_t		inotify_lock;		/* lock protecting state */
+static dev_info_t	*inotify_devi;		/* device info */
+static fem_t		*inotify_femp;		/* FEM pointer */
+static vmem_t		*inotify_minor;		/* minor number arena */
+static void		*inotify_softstate;	/* softstate pointer */
+static inotify_state_t	*inotify_state;		/* global list if state */
+
+static void inotify_watch_event(inotify_watch_t *, uint64_t, char *);
+static void inotify_watch_insert(inotify_watch_t *, vnode_t *, char *);
+static void inotify_watch_delete(inotify_watch_t *, uint32_t);
+static void inotify_watch_remove(inotify_state_t *state,
+	inotify_watch_t *watch);
+
+static int
+inotify_fop_close(femarg_t *vf, int flag, int count, offset_t offset,
+    cred_t *cr, caller_context_t *ct)
+{
+	inotify_watch_t *watch = vf->fa_fnode->fn_available;
+	int rval;
+
+	if ((rval = vnext_close(vf, flag, count, offset, cr, ct)) == 0) {
+		inotify_watch_event(watch, flag & FWRITE ?
+		    IN_CLOSE_WRITE : IN_CLOSE_NOWRITE, NULL);
+	}
+
+	return (rval);
+}
+
+static int
+inotify_fop_create(femarg_t *vf, char *name, vattr_t *vap, vcexcl_t excl,
+    int mode, vnode_t **vpp, cred_t *cr, int flag, caller_context_t *ct,
+    vsecattr_t *vsecp)
+{
+	inotify_watch_t *watch = vf->fa_fnode->fn_available;
+	int rval;
+
+	if ((rval = vnext_create(vf, name, vap, excl, mode,
+	    vpp, cr, flag, ct, vsecp)) == 0) {
+		inotify_watch_insert(watch, *vpp, name);
+		inotify_watch_event(watch, IN_CREATE, name);
+	}
+
+	return (rval);
+}
+
+static int
+inotify_fop_link(femarg_t *vf, vnode_t *svp, char *tnm, cred_t *cr,
+    caller_context_t *ct, int flags)
+{
+	inotify_watch_t *watch = vf->fa_fnode->fn_available;
+	int rval;
+
+	if ((rval = vnext_link(vf, svp, tnm, cr, ct, flags)) == 0) {
+		inotify_watch_insert(watch, svp, tnm);
+		inotify_watch_event(watch, IN_CREATE, tnm);
+	}
+
+	return (rval);
+}
+
+static int
+inotify_fop_mkdir(femarg_t *vf, char *name, vattr_t *vap, vnode_t **vpp,
+    cred_t *cr, caller_context_t *ct, int flags, vsecattr_t *vsecp)
+{
+	inotify_watch_t *watch = vf->fa_fnode->fn_available;
+	int rval;
+
+	if ((rval = vnext_mkdir(vf, name, vap, vpp, cr,
+	    ct, flags, vsecp)) == 0) {
+		inotify_watch_insert(watch, *vpp, name);
+		inotify_watch_event(watch, IN_CREATE | IN_ISDIR, name);
+	}
+
+	return (rval);
+}
+
+static int
+inotify_fop_open(femarg_t *vf, int mode, cred_t *cr, caller_context_t *ct)
+{
+	inotify_watch_t *watch = vf->fa_fnode->fn_available;
+	int rval;
+
+	if ((rval = vnext_open(vf, mode, cr, ct)) == 0)
+		inotify_watch_event(watch, IN_OPEN, NULL);
+
+	return (rval);
+}
+
+static int
+inotify_fop_read(femarg_t *vf, struct uio *uiop, int ioflag, struct cred *cr,
+    caller_context_t *ct)
+{
+	inotify_watch_t *watch = vf->fa_fnode->fn_available;
+	int rval = vnext_read(vf, uiop, ioflag, cr, ct);
+	inotify_watch_event(watch, IN_ACCESS, NULL);
+
+	return (rval);
+}
+
+static int
+inotify_fop_readdir(femarg_t *vf, uio_t *uiop, cred_t *cr, int *eofp,
+    caller_context_t *ct, int flags)
+{
+	inotify_watch_t *watch = vf->fa_fnode->fn_available;
+	int rval = vnext_readdir(vf, uiop, cr, eofp, ct, flags);
+	inotify_watch_event(watch, IN_ACCESS | IN_ISDIR, NULL);
+
+	return (rval);
+}
+
+int
+inotify_fop_remove(femarg_t *vf, char *nm, cred_t *cr, caller_context_t *ct,
+    int flags)
+{
+	inotify_watch_t *watch = vf->fa_fnode->fn_available;
+	int rval;
+
+	if ((rval = vnext_remove(vf, nm, cr, ct, flags)) == 0)
+		inotify_watch_event(watch, IN_DELETE, nm);
+
+	return (rval);
+}
+
+int
+inotify_fop_rmdir(femarg_t *vf, char *nm, vnode_t *cdir, cred_t *cr,
+    caller_context_t *ct, int flags)
+{
+	inotify_watch_t *watch = vf->fa_fnode->fn_available;
+	int rval;
+
+	if ((rval = vnext_rmdir(vf, nm, cdir, cr, ct, flags)) == 0)
+		inotify_watch_event(watch, IN_DELETE | IN_ISDIR, nm);
+
+	return (rval);
+}
+
+static int
+inotify_fop_setattr(femarg_t *vf, vattr_t *vap, int flags, cred_t *cr,
+    caller_context_t *ct)
+{
+	inotify_watch_t *watch = vf->fa_fnode->fn_available;
+	int rval;
+
+	if ((rval = vnext_setattr(vf, vap, flags, cr, ct)) == 0)
+		inotify_watch_event(watch, IN_ATTRIB, NULL);
+
+	return (rval);
+}
+
+static int
+inotify_fop_write(femarg_t *vf, struct uio *uiop, int ioflag, struct cred *cr,
+    caller_context_t *ct)
+{
+	inotify_watch_t *watch = vf->fa_fnode->fn_available;
+	int rval = vnext_write(vf, uiop, ioflag, cr, ct);
+	inotify_watch_event(watch, IN_MODIFY, NULL);
+
+	return (rval);
+}
+
+static int
+inotify_fop_vnevent(femarg_t *vf, vnevent_t vnevent, vnode_t *dvp, char *name,
+    caller_context_t *ct)
+{
+	inotify_watch_t *watch = vf->fa_fnode->fn_available;
+
+	switch (vnevent) {
+	case VE_RENAME_SRC:
+		inotify_watch_event(watch, IN_MOVE_SELF, NULL);
+		inotify_watch_delete(watch, IN_MOVE_SELF);
+		break;
+	case VE_REMOVE:
+		/*
+		 * Linux will apparently fire an IN_ATTRIB event when the link
+		 * count changes (including when it drops to 0 on a remove).
+		 * This is merely somewhat odd; what is amazing is that this
+		 * IN_ATTRIB event is not visible on an inotify watch on the
+		 * parent directory.  (IN_ATTRIB events are normally sent to
+		 * watches on the parent directory).  While it's hard to
+		 * believe that this constitutes desired semantics, ltp
+		 * unfortunately tests this case (if implicitly); in the name
+		 * of bug-for-bug compatibility, we fire IN_ATTRIB iff we are
+		 * explicitly watching the file that has been removed.
+		 */
+		if (watch->inw_parent == NULL)
+			inotify_watch_event(watch, IN_ATTRIB, NULL);
+
+		/*FALLTHROUGH*/
+	case VE_RENAME_DEST:
+		inotify_watch_event(watch, IN_DELETE_SELF, NULL);
+		inotify_watch_delete(watch, IN_DELETE_SELF);
+		break;
+	case VE_RMDIR:
+		/*
+		 * It seems that IN_ISDIR should really be OR'd in here, but
+		 * Linux doesn't seem to do that in this case; for the sake of
+		 * bug-for-bug compatibility, we don't do it either.
+		 */
+		inotify_watch_event(watch, IN_DELETE_SELF, NULL);
+		inotify_watch_delete(watch, IN_DELETE_SELF);
+		break;
+	case VE_CREATE:
+		inotify_watch_event(watch, IN_MODIFY | IN_ATTRIB, NULL);
+		break;
+	case VE_LINK:
+		inotify_watch_event(watch, IN_ATTRIB, NULL);
+		break;
+	case VE_RENAME_SRC_DIR:
+		inotify_watch_event(watch, IN_MOVED_FROM, name);
+		break;
+	case VE_RENAME_DEST_DIR:
+		if (name == NULL)
+			name = dvp->v_path;
+
+		inotify_watch_insert(watch, dvp, name);
+		inotify_watch_event(watch, IN_MOVED_TO, name);
+		break;
+	case VE_SUPPORT:
+	case VE_MOUNTEDOVER:
+	case VE_TRUNCATE:
+		break;
+	}
+
+	return (vnext_vnevent(vf, vnevent, dvp, name, ct));
+}
+
+const fs_operation_def_t inotify_vnodesrc_template[] = {
+	VOPNAME_CLOSE,		{ .femop_close = inotify_fop_close },
+	VOPNAME_CREATE,		{ .femop_create = inotify_fop_create },
+	VOPNAME_LINK,		{ .femop_link = inotify_fop_link },
+	VOPNAME_MKDIR,		{ .femop_mkdir = inotify_fop_mkdir },
+	VOPNAME_OPEN,		{ .femop_open = inotify_fop_open },
+	VOPNAME_READ,		{ .femop_read = inotify_fop_read },
+	VOPNAME_READDIR,	{ .femop_readdir = inotify_fop_readdir },
+	VOPNAME_REMOVE,		{ .femop_remove = inotify_fop_remove },
+	VOPNAME_RMDIR,		{ .femop_rmdir = inotify_fop_rmdir },
+	VOPNAME_SETATTR,	{ .femop_setattr = inotify_fop_setattr },
+	VOPNAME_WRITE,		{ .femop_write = inotify_fop_write },
+	VOPNAME_VNEVENT,	{ .femop_vnevent = inotify_fop_vnevent },
+	NULL, NULL
+};
+
+static int
+inotify_watch_cmpwd(inotify_watch_t *lhs, inotify_watch_t *rhs)
+{
+	if (lhs->inw_wd < rhs->inw_wd)
+		return (-1);
+
+	if (lhs->inw_wd > rhs->inw_wd)
+		return (1);
+
+	return (0);
+}
+
+static int
+inotify_watch_cmpvp(inotify_watch_t *lhs, inotify_watch_t *rhs)
+{
+	uintptr_t lvp = (uintptr_t)lhs->inw_vp, rvp = (uintptr_t)rhs->inw_vp;
+
+	if (lvp < rvp)
+		return (-1);
+
+	if (lvp > rvp)
+		return (1);
+
+	return (0);
+}
+
+static void
+inotify_watch_hold(inotify_watch_t *watch)
+{
+	mutex_enter(&watch->inw_lock);
+	VERIFY(watch->inw_refcnt > 0);
+	watch->inw_refcnt++;
+	mutex_exit(&watch->inw_lock);
+}
+
+static void
+inotify_watch_release(inotify_watch_t *watch)
+{
+	mutex_enter(&watch->inw_lock);
+	VERIFY(watch->inw_refcnt > 1);
+
+	if (--watch->inw_refcnt == 1 && watch->inw_zombie) {
+		/*
+		 * We're down to our last reference; kick anyone that might be
+		 * waiting.
+		 */
+		cv_signal(&watch->inw_cv);
+	}
+
+	mutex_exit(&watch->inw_lock);
+}
+
+static void
+inotify_watch_event(inotify_watch_t *watch, uint64_t mask, char *name)
+{
+	inotify_kevent_t *event, *tail;
+	inotify_state_t *state = watch->inw_state;
+	uint32_t wd = watch->inw_wd, cookie = 0, len;
+	int align = sizeof (uintptr_t) - 1;
+	boolean_t removal = mask & IN_REMOVAL ? B_TRUE : B_FALSE;
+	inotify_watch_t *source = watch;
+
+	if (!(mask &= watch->inw_mask) || mask == IN_ISDIR)
+		return;
+
+	if (watch->inw_parent != NULL) {
+		/*
+		 * This is an event on the child; if this isn't a valid child
+		 * event, return.  Otherwise, we move our watch to be our
+		 * parent (which we know is around because we have a hold on
+		 * it) and continue.
+		 */
+		if (!(mask & IN_CHILD_EVENTS))
+			return;
+
+		name = watch->inw_name;
+		watch = watch->inw_parent;
+	}
+
+	if (!removal) {
+		mutex_enter(&state->ins_lock);
+
+		if (watch->inw_zombie ||
+		    watch->inw_fired || !watch->inw_active) {
+			mutex_exit(&state->ins_lock);
+			return;
+		}
+	} else {
+		if (!watch->inw_active)
+			return;
+
+		VERIFY(MUTEX_HELD(&state->ins_lock));
+	}
+
+	/*
+	 * If this is an operation on a directory and it's a child event
+	 * (event if it's not on a child), we specify IN_ISDIR.
+	 */
+	if (source->inw_vp->v_type == VDIR && (mask & IN_CHILD_EVENTS))
+		mask |= IN_ISDIR;
+
+	if (mask & (IN_MOVED_FROM | IN_MOVED_TO))
+		cookie = (uint32_t)curthread->t_did;
+
+	if (state->ins_nevents >= state->ins_maxevents) {
+		/*
+		 * We're at our maximum number of events -- turn our event
+		 * into an IN_Q_OVERFLOW event, which will be coalesced if
+		 * it's already the tail event.
+		 */
+		mask = IN_Q_OVERFLOW;
+		wd = (uint32_t)-1;
+		cookie = 0;
+		len = 0;
+	}
+
+	if ((tail = state->ins_tail) != NULL && tail->ine_event.wd == wd &&
+	    tail->ine_event.mask == mask && tail->ine_event.cookie == cookie &&
+	    ((tail->ine_event.len == 0 && len == 0) ||
+	    (name != NULL && tail->ine_event.len != 0 &&
+	    strcmp(tail->ine_event.name, name) == 0))) {
+		/*
+		 * This is an implicitly coalesced event; we're done.
+		 */
+		if (!removal)
+			mutex_exit(&state->ins_lock);
+		return;
+	}
+
+	if (name != NULL) {
+		if ((len = strlen(name) + 1) & align)
+			len += (align + 1) - (len & align);
+	} else {
+		len = 0;
+	}
+
+	event = kmem_zalloc(sizeof (inotify_kevent_t) + len, KM_SLEEP);
+	event->ine_event.wd = wd;
+	event->ine_event.mask = (uint32_t)mask;
+	event->ine_event.cookie = cookie;
+	event->ine_event.len = len;
+
+	if (name != NULL)
+		strcpy(event->ine_event.name, name);
+
+	if (tail != NULL) {
+		tail->ine_next = event;
+	} else {
+		VERIFY(state->ins_head == NULL);
+		state->ins_head = event;
+		cv_broadcast(&state->ins_cv);
+	}
+
+	state->ins_tail = event;
+	state->ins_nevents++;
+	state->ins_size += sizeof (event->ine_event) + len;
+
+	if ((watch->inw_mask & IN_ONESHOT) && !watch->inw_fired) {
+		/*
+		 * If this is a one-shot, we need to remove the watch.  (Note
+		 * that this will recurse back into inotify_watch_event() to
+		 * fire the IN_IGNORED event -- but with "removal" set.)
+		 */
+		watch->inw_fired = 1;
+		inotify_watch_remove(state, watch);
+	}
+
+	if (removal)
+		return;
+
+	mutex_exit(&state->ins_lock);
+	pollwakeup(&state->ins_pollhd, POLLRDNORM | POLLIN);
+}
+
+/*
+ * Destroy a watch.  By the time we're in here, the watch must have exactly
+ * one reference.
+ */
+static void
+inotify_watch_destroy(inotify_watch_t *watch)
+{
+	VERIFY(MUTEX_HELD(&watch->inw_lock));
+
+	if (watch->inw_name != NULL)
+		kmem_free(watch->inw_name, strlen(watch->inw_name) + 1);
+
+	kmem_free(watch, sizeof (inotify_watch_t));
+}
+
+/*
+ * Zombify a watch.  By the time we come in here, it must be true that the
+ * watch has already been fem_uninstall()'d -- the only reference should be
+ * in the state's data structure.  If we can get away with freeing it, we'll
+ * do that -- but if the reference count is greater than one due to an active
+ * vnode operation, we'll put this watch on the zombie list on the state
+ * structure.
+ */
+static void
+inotify_watch_zombify(inotify_watch_t *watch)
+{
+	inotify_state_t *state = watch->inw_state;
+
+	VERIFY(MUTEX_HELD(&state->ins_lock));
+	VERIFY(!watch->inw_zombie);
+
+	watch->inw_zombie = 1;
+
+	if (watch->inw_parent != NULL) {
+		inotify_watch_release(watch->inw_parent);
+	} else {
+		avl_remove(&state->ins_byvp, watch);
+		avl_remove(&state->ins_bywd, watch);
+		vmem_free(state->ins_wds, (void *)(uintptr_t)watch->inw_wd, 1);
+		watch->inw_wd = -1;
+	}
+
+	mutex_enter(&watch->inw_lock);
+
+	if (watch->inw_refcnt == 1) {
+		/*
+		 * There are no operations in flight and there is no way
+		 * for anyone to discover this watch -- we can destroy it.
+		 */
+		inotify_watch_destroy(watch);
+	} else {
+		/*
+		 * There are operations in flight; we will need to enqueue
+		 * this for later destruction.
+		 */
+		watch->inw_parent = state->ins_zombies;
+		state->ins_zombies = watch;
+		mutex_exit(&watch->inw_lock);
+	}
+}
+
+static inotify_watch_t *
+inotify_watch_add(inotify_state_t *state, inotify_watch_t *parent,
+    const char *name, vnode_t *vp, uint32_t mask)
+{
+	inotify_watch_t *watch;
+	int err;
+
+	VERIFY(MUTEX_HELD(&state->ins_lock));
+
+	watch = kmem_zalloc(sizeof (inotify_watch_t), KM_SLEEP);
+
+	watch->inw_vp = vp;
+	watch->inw_mask = mask;
+	watch->inw_state = state;
+	watch->inw_refcnt = 1;
+
+	if (parent == NULL) {
+		watch->inw_wd = (int)(uintptr_t)vmem_alloc(state->ins_wds,
+		    1, VM_BESTFIT | VM_SLEEP);
+		avl_add(&state->ins_byvp, watch);
+		avl_add(&state->ins_bywd, watch);
+
+		avl_create(&watch->inw_children,
+		    (int(*)(const void *, const void *))inotify_watch_cmpvp,
+		    sizeof (inotify_watch_t),
+		    offsetof(inotify_watch_t, inw_byvp));
+	} else {
+		VERIFY(name != NULL);
+		inotify_watch_hold(parent);
+		watch->inw_mask &= IN_CHILD_EVENTS;
+		watch->inw_parent = parent;
+		watch->inw_name = kmem_alloc(strlen(name) + 1, KM_SLEEP);
+		strcpy(watch->inw_name, name);
+
+		avl_add(&parent->inw_children, watch);
+	}
+
+	/*
+	 * Add our monitor to the vnode.  We must not have the watch lock held
+	 * when we do this, as it will immediately hold our watch.
+	 */
+	err = fem_install(vp, inotify_femp, watch, OPARGUNIQ,
+	    (void (*)(void *))inotify_watch_hold,
+	    (void (*)(void *))inotify_watch_release);
+
+	VERIFY(err == 0);
+
+	return (watch);
+}
+
+/*
+ * Remove a (non-child) watch.  This is called from either synchronous context
+ * via inotify_rm_watch() or monitor context via either a vnevent or a
+ * one-shot.
+ */
+static void
+inotify_watch_remove(inotify_state_t *state, inotify_watch_t *watch)
+{
+	inotify_watch_t *child;
+	int err;
+
+	VERIFY(MUTEX_HELD(&state->ins_lock));
+	VERIFY(watch->inw_parent == NULL);
+
+	err = fem_uninstall(watch->inw_vp, inotify_femp, watch);
+	VERIFY(err == 0);
+
+	/*
+	 * If we have children, we're going to remove them all and set them
+	 * all to be zombies.
+	 */
+	while ((child = avl_first(&watch->inw_children)) != NULL) {
+		VERIFY(child->inw_parent == watch);
+		avl_remove(&watch->inw_children, child);
+
+		err = fem_uninstall(child->inw_vp, inotify_femp, child);
+		VERIFY(err == 0);
+
+		/*
+		 * If this child watch has been orphaned, remove it from the
+		 * state's list of orphans.
+		 */
+		if (child->inw_orphaned) {
+			list_remove(&state->ins_orphans, child);
+			crfree(child->inw_cred);
+		}
+
+		VN_RELE(child->inw_vp);
+
+		/*
+		 * We're down (or should be down) to a single reference to
+		 * this child watch; it's safe to zombify it.
+		 */
+		inotify_watch_zombify(child);
+	}
+
+	inotify_watch_event(watch, IN_IGNORED | IN_REMOVAL, NULL);
+	VN_RELE(watch->inw_vp);
+
+	/*
+	 * It's now safe to zombify the watch -- we know that the only reference
+	 * can come from operations in flight.
+	 */
+	inotify_watch_zombify(watch);
+}
+
+/*
+ * Delete a watch.  Should only be called from VOP context.
+ */
+static void
+inotify_watch_delete(inotify_watch_t *watch, uint32_t event)
+{
+	inotify_state_t *state = watch->inw_state;
+	inotify_watch_t cmp = { .inw_vp = watch->inw_vp }, *parent;
+	int err;
+
+	if (event != IN_DELETE_SELF && !(watch->inw_mask & IN_CHILD_EVENTS))
+		return;
+
+	mutex_enter(&state->ins_lock);
+
+	if (watch->inw_zombie) {
+		mutex_exit(&state->ins_lock);
+		return;
+	}
+
+	if ((parent = watch->inw_parent) == NULL) {
+		if (event == IN_DELETE_SELF) {
+			/*
+			 * If we're here because we're being deleted and we
+			 * are not a child watch, we need to delete the entire
+			 * watch, children and all.
+			 */
+			inotify_watch_remove(state, watch);
+		}
+
+		mutex_exit(&state->ins_lock);
+		return;
+	} else {
+		if (event == IN_DELETE_SELF &&
+		    !(parent->inw_mask & IN_EXCL_UNLINK)) {
+			/*
+			 * This is a child watch for a file that is being
+			 * removed and IN_EXCL_UNLINK has not been specified;
+			 * indicate that it is orphaned and add it to the list
+			 * of orphans.  (This list will be checked by the
+			 * cleaning cyclic to determine when the watch has
+			 * become the only hold on the vnode, at which point
+			 * the watch can be zombified.)  Note that we check
+			 * if the watch is orphaned before we orphan it:  hard
+			 * links make it possible for VE_REMOVE to be called
+			 * multiple times on the same vnode. (!)
+			 */
+			if (!watch->inw_orphaned) {
+				watch->inw_orphaned = 1;
+				watch->inw_cred = CRED();
+				crhold(watch->inw_cred);
+				list_insert_head(&state->ins_orphans, watch);
+			}
+
+			mutex_exit(&state->ins_lock);
+			return;
+		}
+
+		if (watch->inw_orphaned) {
+			/*
+			 * If we're here, a file was orphaned and then later
+			 * moved -- which almost certainly means that hard
+			 * links are on the scene.  We choose the orphan over
+			 * the move because we don't want to spuriously
+			 * drop events if we can avoid it.
+			 */
+			crfree(watch->inw_cred);
+			list_remove(&state->ins_orphans, watch);
+		}
+	}
+
+	if (avl_find(&parent->inw_children, &cmp, NULL) == NULL) {
+		/*
+		 * This watch has already been deleted from the parent.
+		 */
+		mutex_exit(&state->ins_lock);
+		return;
+	}
+
+	avl_remove(&parent->inw_children, watch);
+	err = fem_uninstall(watch->inw_vp, inotify_femp, watch);
+	VERIFY(err == 0);
+
+	VN_RELE(watch->inw_vp);
+
+	/*
+	 * It's now safe to zombify the watch -- which won't actually delete
+	 * it as we know that the reference count is greater than 1.
+	 */
+	inotify_watch_zombify(watch);
+	mutex_exit(&state->ins_lock);
+}
+
+/*
+ * Insert a new child watch.  Should only be called from VOP context when
+ * a child is created in a watched directory.
+ */
+static void
+inotify_watch_insert(inotify_watch_t *watch, vnode_t *vp, char *name)
+{
+	inotify_state_t *state = watch->inw_state;
+	inotify_watch_t cmp = { .inw_vp = vp };
+
+	if (!(watch->inw_mask & IN_CHILD_EVENTS))
+		return;
+
+	mutex_enter(&state->ins_lock);
+
+	if (watch->inw_zombie || watch->inw_parent != NULL || vp == NULL) {
+		mutex_exit(&state->ins_lock);
+		return;
+	}
+
+	if (avl_find(&watch->inw_children, &cmp, NULL) != NULL) {
+		mutex_exit(&state->ins_lock);
+		return;
+	}
+
+	VN_HOLD(vp);
+	watch = inotify_watch_add(state, watch, name, vp, watch->inw_mask);
+	VERIFY(watch != NULL);
+
+	mutex_exit(&state->ins_lock);
+}
+
+
+static int
+inotify_add_watch(inotify_state_t *state, vnode_t *vp, uint32_t mask,
+    int32_t *wdp)
+{
+	inotify_watch_t *watch, cmp = { .inw_vp = vp };
+	uint32_t set;
+
+	set = (mask & (IN_ALL_EVENTS | IN_MODIFIERS)) | IN_UNMASKABLE;
+
+	/*
+	 * Lookup our vnode to determine if we already have a watch on it.
+	 */
+	mutex_enter(&state->ins_lock);
+
+	if ((watch = avl_find(&state->ins_byvp, &cmp, NULL)) == NULL) {
+		/*
+		 * We don't have this watch; allocate a new one, provided that
+		 * we have fewer than our limit.
+		 */
+		if (avl_numnodes(&state->ins_bywd) >= state->ins_maxwatches) {
+			mutex_exit(&state->ins_lock);
+			return (ENOSPC);
+		}
+
+		VN_HOLD(vp);
+		watch = inotify_watch_add(state, NULL, NULL, vp, set);
+		*wdp = watch->inw_wd;
+		mutex_exit(&state->ins_lock);
+
+		return (0);
+	}
+
+	VERIFY(!watch->inw_zombie);
+
+	if (!(mask & IN_MASK_ADD)) {
+		/*
+		 * Note that if we're resetting our event mask and we're
+		 * transitioning from an event mask that includes child events
+		 * to one that doesn't, there will be potentially some stale
+		 * child watches.  This is basically fine:  they won't fire,
+		 * and they will correctly be removed when the watch is
+		 * removed.
+		 */
+		watch->inw_mask = 0;
+	}
+
+	watch->inw_mask |= set;
+
+	*wdp = watch->inw_wd;
+
+	mutex_exit(&state->ins_lock);
+
+	return (0);
+}
+
+static int
+inotify_add_child(inotify_state_t *state, vnode_t *vp, char *name)
+{
+	inotify_watch_t *watch, cmp = { .inw_vp = vp };
+	vnode_t *cvp;
+	int err;
+
+	/*
+	 * Verify that the specified child doesn't have a directory component
+	 * within it.
+	 */
+	if (strchr(name, '/') != NULL)
+		return (EINVAL);
+
+	/*
+	 * Lookup the underlying file.  Note that this will succeed even if
+	 * we don't have permissions to actually read the file.
+	 */
+	if ((err = lookupnameat(name,
+	    UIO_SYSSPACE, NO_FOLLOW, NULL, &cvp, vp)) != 0) {
+		return (err);
+	}
+
+	/*
+	 * Use our vnode to find our watch, and then add our child watch to it.
+	 */
+	mutex_enter(&state->ins_lock);
+
+	if ((watch = avl_find(&state->ins_byvp, &cmp, NULL)) == NULL) {
+		/*
+		 * This is unexpected -- it means that we don't have the
+		 * watch that we thought we had.
+		 */
+		mutex_exit(&state->ins_lock);
+		VN_RELE(cvp);
+		return (ENXIO);
+	}
+
+	/*
+	 * Now lookup the child vnode in the watch; we'll only add it if it
+	 * isn't already there.
+	 */
+	cmp.inw_vp = cvp;
+
+	if (avl_find(&watch->inw_children, &cmp, NULL) != NULL) {
+		mutex_exit(&state->ins_lock);
+		VN_RELE(cvp);
+		return (0);
+	}
+
+	watch = inotify_watch_add(state, watch, name, cvp, watch->inw_mask);
+	VERIFY(watch != NULL);
+	mutex_exit(&state->ins_lock);
+
+	return (0);
+}
+
+static int
+inotify_rm_watch(inotify_state_t *state, int32_t wd)
+{
+	inotify_watch_t *watch, cmp = { .inw_wd = wd };
+
+	mutex_enter(&state->ins_lock);
+
+	if ((watch = avl_find(&state->ins_bywd, &cmp, NULL)) == NULL) {
+		mutex_exit(&state->ins_lock);
+		return (EINVAL);
+	}
+
+	inotify_watch_remove(state, watch);
+	mutex_exit(&state->ins_lock);
+
+	return (0);
+}
+
+static int
+inotify_activate(inotify_state_t *state, int32_t wd)
+{
+	inotify_watch_t *watch, cmp = { .inw_wd = wd };
+
+	mutex_enter(&state->ins_lock);
+
+	if ((watch = avl_find(&state->ins_bywd, &cmp, NULL)) == NULL) {
+		mutex_exit(&state->ins_lock);
+		return (EINVAL);
+	}
+
+	watch->inw_active = 1;
+
+	mutex_exit(&state->ins_lock);
+
+	return (0);
+}
+
+/*
+ * Called periodically as a cyclic to process the orphans and zombies.
+ */
+static void
+inotify_clean(void *arg)
+{
+	inotify_state_t *state = arg;
+	inotify_watch_t *watch, *parent, *next, **prev;
+	cred_t *savecred;
+	int err;
+
+	mutex_enter(&state->ins_lock);
+
+	for (watch = list_head(&state->ins_orphans);
+	    watch != NULL; watch = next) {
+		next = list_next(&state->ins_orphans, watch);
+
+		VERIFY(!watch->inw_zombie);
+		VERIFY((parent = watch->inw_parent) != NULL);
+
+		if (watch->inw_vp->v_count > 1)
+			continue;
+
+		avl_remove(&parent->inw_children, watch);
+		err = fem_uninstall(watch->inw_vp, inotify_femp, watch);
+		VERIFY(err == 0);
+
+		list_remove(&state->ins_orphans, watch);
+
+		/*
+		 * For purposes of releasing the vnode, we need to switch our
+		 * cred to be the cred of the orphaning thread (which we held
+		 * at the time this watch was orphaned).
+		 */
+		savecred = curthread->t_cred;
+		curthread->t_cred = watch->inw_cred;
+		VN_RELE(watch->inw_vp);
+		crfree(watch->inw_cred);
+		curthread->t_cred = savecred;
+
+		inotify_watch_zombify(watch);
+	}
+
+	prev = &state->ins_zombies;
+
+	while ((watch = *prev) != NULL) {
+		mutex_enter(&watch->inw_lock);
+
+		if (watch->inw_refcnt == 1) {
+			*prev = watch->inw_parent;
+			inotify_watch_destroy(watch);
+			continue;
+		}
+
+		prev = &watch->inw_parent;
+		mutex_exit(&watch->inw_lock);
+	}
+
+	mutex_exit(&state->ins_lock);
+}
+
+/*ARGSUSED*/
+static int
+inotify_open(dev_t *devp, int flag, int otyp, cred_t *cred_p)
+{
+	inotify_state_t *state;
+	major_t major = getemajor(*devp);
+	minor_t minor = getminor(*devp);
+	int instances = 0;
+	cyc_handler_t hdlr;
+	cyc_time_t when;
+	char c[64];
+
+	if (minor != INOTIFYMNRN_INOTIFY)
+		return (ENXIO);
+
+	mutex_enter(&inotify_lock);
+
+	for (state = inotify_state; state != NULL; state = state->ins_next) {
+		if (state->ins_cred == cred_p)
+			instances++;
+	}
+
+	if (instances >= inotify_maxinstances) {
+		mutex_exit(&inotify_lock);
+		return (EMFILE);
+	}
+
+	minor = (minor_t)(uintptr_t)vmem_alloc(inotify_minor, 1,
+	    VM_BESTFIT | VM_SLEEP);
+
+	if (ddi_soft_state_zalloc(inotify_softstate, minor) != DDI_SUCCESS) {
+		vmem_free(inotify_minor, (void *)(uintptr_t)minor, 1);
+		mutex_exit(&inotify_lock);
+		return (NULL);
+	}
+
+	state = ddi_get_soft_state(inotify_softstate, minor);
+	*devp = makedevice(major, minor);
+
+	crhold(cred_p);
+	state->ins_cred = cred_p;
+	state->ins_next = inotify_state;
+	inotify_state = state;
+
+	(void) snprintf(c, sizeof (c), "inotify_watchid_%d", minor);
+	state->ins_wds = vmem_create(c, (void *)1, UINT32_MAX, 1,
+	    NULL, NULL, NULL, 0, VM_SLEEP | VMC_IDENTIFIER);
+
+	avl_create(&state->ins_bywd,
+	    (int(*)(const void *, const void *))inotify_watch_cmpwd,
+	    sizeof (inotify_watch_t),
+	    offsetof(inotify_watch_t, inw_bywd));
+
+	avl_create(&state->ins_byvp,
+	    (int(*)(const void *, const void *))inotify_watch_cmpvp,
+	    sizeof (inotify_watch_t),
+	    offsetof(inotify_watch_t, inw_byvp));
+
+	list_create(&state->ins_orphans, sizeof (inotify_watch_t),
+	    offsetof(inotify_watch_t, inw_orphan));
+
+	state->ins_maxwatches = inotify_maxwatches;
+	state->ins_maxevents = inotify_maxevents;
+
+	mutex_exit(&inotify_lock);
+
+	mutex_enter(&cpu_lock);
+
+	hdlr.cyh_func = inotify_clean;
+	hdlr.cyh_level = CY_LOW_LEVEL;
+	hdlr.cyh_arg = state;
+
+	when.cyt_when = 0;
+	when.cyt_interval = NANOSEC;
+
+	state->ins_cleaner = cyclic_add(&hdlr, &when);
+	mutex_exit(&cpu_lock);
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+inotify_read(dev_t dev, uio_t *uio, cred_t *cr)
+{
+	inotify_state_t *state;
+	inotify_kevent_t *event;
+	minor_t minor = getminor(dev);
+	int err = 0, nevents = 0;
+	size_t len;
+
+	state = ddi_get_soft_state(inotify_softstate, minor);
+
+	mutex_enter(&state->ins_lock);
+
+	while (state->ins_head == NULL) {
+		if (uio->uio_fmode & (FNDELAY|FNONBLOCK)) {
+			mutex_exit(&state->ins_lock);
+			return (EAGAIN);
+		}
+
+		if (!cv_wait_sig_swap(&state->ins_cv, &state->ins_lock)) {
+			mutex_exit(&state->ins_lock);
+			return (EINTR);
+		}
+	}
+
+	/*
+	 * We have events and we have our lock; return as many as we can.
+	 */
+	while ((event = state->ins_head) != NULL) {
+		len = sizeof (event->ine_event) + event->ine_event.len;
+
+		if (uio->uio_resid < len) {
+			if (nevents == 0)
+				err = EINVAL;
+			break;
+		}
+
+		nevents++;
+
+		if ((err = uiomove(&event->ine_event, len, UIO_READ, uio)) != 0)
+			break;
+
+		VERIFY(state->ins_nevents > 0);
+		state->ins_nevents--;
+
+		VERIFY(state->ins_size > 0);
+		state->ins_size -= len;
+
+		if ((state->ins_head = event->ine_next) == NULL) {
+			VERIFY(event == state->ins_tail);
+			VERIFY(state->ins_nevents == 0);
+			state->ins_tail = NULL;
+		}
+
+		kmem_free(event, INOTIFY_EVENT_LENGTH(event));
+	}
+
+	mutex_exit(&state->ins_lock);
+
+	return (err);
+}
+
+/*ARGSUSED*/
+static int
+inotify_poll(dev_t dev, short events, int anyyet, short *reventsp,
+    struct pollhead **phpp)
+{
+	inotify_state_t *state;
+	minor_t minor = getminor(dev);
+
+	state = ddi_get_soft_state(inotify_softstate, minor);
+
+	mutex_enter(&state->ins_lock);
+
+	if (state->ins_head != NULL) {
+		*reventsp = events & (POLLRDNORM | POLLIN);
+	} else {
+		*reventsp = 0;
+
+		if (!anyyet)
+			*phpp = &state->ins_pollhd;
+	}
+
+	mutex_exit(&state->ins_lock);
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+inotify_ioctl(dev_t dev, int cmd, intptr_t arg, int md, cred_t *cr, int *rv)
+{
+	inotify_state_t *state;
+	minor_t minor = getminor(dev);
+	file_t *fp;
+	int rval;
+
+	state = ddi_get_soft_state(inotify_softstate, minor);
+
+	switch (cmd) {
+	case INOTIFYIOC_ADD_WATCH: {
+		inotify_addwatch_t addwatch;
+		file_t *fp;
+
+		if (copyin((void *)arg, &addwatch, sizeof (addwatch)) != 0)
+			return (EFAULT);
+
+		if ((fp = getf(addwatch.inaw_fd)) == NULL)
+			return (EBADF);
+
+		rval = inotify_add_watch(state, fp->f_vnode,
+		    addwatch.inaw_mask, rv);
+
+		releasef(addwatch.inaw_fd);
+		return (rval);
+	}
+
+	case INOTIFYIOC_ADD_CHILD: {
+		inotify_addchild_t addchild;
+		char name[MAXPATHLEN];
+
+		if (copyin((void *)arg, &addchild, sizeof (addchild)) != 0)
+			return (EFAULT);
+
+		if (copyinstr(addchild.inac_name, name, MAXPATHLEN, NULL) != 0)
+			return (EFAULT);
+
+		if ((fp = getf(addchild.inac_fd)) == NULL)
+			return (EBADF);
+
+		rval = inotify_add_child(state, fp->f_vnode, name);
+
+		releasef(addchild.inac_fd);
+		return (rval);
+	}
+
+	case INOTIFYIOC_RM_WATCH:
+		return (inotify_rm_watch(state, arg));
+
+	case INOTIFYIOC_ACTIVATE:
+		return (inotify_activate(state, arg));
+
+	case FIONREAD: {
+		int32_t size;
+
+		mutex_enter(&state->ins_lock);
+		size = state->ins_size;
+		mutex_exit(&state->ins_lock);
+
+		if (copyout(&size, (void *)arg, sizeof (size)) != 0)
+			return (EFAULT);
+
+		return (0);
+	}
+
+	default:
+		break;
+	}
+
+	return (ENOTTY);
+}
+
+/*ARGSUSED*/
+static int
+inotify_close(dev_t dev, int flag, int otyp, cred_t *cred_p)
+{
+	inotify_state_t *state, **sp;
+	inotify_watch_t *watch, *zombies;
+	inotify_kevent_t *event;
+	minor_t minor = getminor(dev);
+
+	state = ddi_get_soft_state(inotify_softstate, minor);
+
+	if (state->ins_pollhd.ph_list != NULL) {
+		pollwakeup(&state->ins_pollhd, POLLERR);
+		pollhead_clean(&state->ins_pollhd);
+	}
+
+	mutex_enter(&state->ins_lock);
+
+	/*
+	 * First, destroy all of our watches.
+	 */
+	while ((watch = avl_first(&state->ins_bywd)) != NULL)
+		inotify_watch_remove(state, watch);
+
+	/*
+	 * And now destroy our event queue.
+	 */
+	while ((event = state->ins_head) != NULL) {
+		state->ins_head = event->ine_next;
+		kmem_free(event, INOTIFY_EVENT_LENGTH(event));
+	}
+
+	zombies = state->ins_zombies;
+	state->ins_zombies = NULL;
+	mutex_exit(&state->ins_lock);
+
+	/*
+	 * Now that our state lock is dropped, we can synchronously wait on
+	 * any zombies.
+	 */
+	while ((watch = zombies) != NULL) {
+		zombies = zombies->inw_parent;
+
+		mutex_enter(&watch->inw_lock);
+
+		while (watch->inw_refcnt > 1)
+			cv_wait(&watch->inw_cv, &watch->inw_lock);
+
+		inotify_watch_destroy(watch);
+	}
+
+	mutex_enter(&cpu_lock);
+	cyclic_remove(state->ins_cleaner);
+	mutex_exit(&cpu_lock);
+
+	mutex_enter(&inotify_lock);
+
+	/*
+	 * Remove our state from our global list, and release our hold on
+	 * the cred.
+	 */
+	for (sp = &inotify_state; *sp != state; sp = &((*sp)->ins_next))
+		VERIFY(*sp != NULL);
+
+	*sp = (*sp)->ins_next;
+	crfree(state->ins_cred);
+
+	ddi_soft_state_free(inotify_softstate, minor);
+	vmem_free(inotify_minor, (void *)(uintptr_t)minor, 1);
+
+	mutex_exit(&inotify_lock);
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+inotify_attach(dev_info_t *devi, ddi_attach_cmd_t cmd)
+{
+	mutex_enter(&inotify_lock);
+
+	if (ddi_soft_state_init(&inotify_softstate,
+	    sizeof (inotify_state_t), 0) != 0) {
+		cmn_err(CE_NOTE, "/dev/inotify failed to create soft state");
+		mutex_exit(&inotify_lock);
+		return (DDI_FAILURE);
+	}
+
+	if (ddi_create_minor_node(devi, "inotify", S_IFCHR,
+	    INOTIFYMNRN_INOTIFY, DDI_PSEUDO, NULL) == DDI_FAILURE) {
+		cmn_err(CE_NOTE, "/dev/inotify couldn't create minor node");
+		ddi_soft_state_fini(&inotify_softstate);
+		mutex_exit(&inotify_lock);
+		return (DDI_FAILURE);
+	}
+
+	if (fem_create("inotify_fem",
+	    inotify_vnodesrc_template, &inotify_femp) != 0) {
+		cmn_err(CE_NOTE, "/dev/inotify couldn't create FEM state");
+		ddi_remove_minor_node(devi, NULL);
+		ddi_soft_state_fini(&inotify_softstate);
+		mutex_exit(&inotify_lock);
+		return (DDI_FAILURE);
+	}
+
+	ddi_report_dev(devi);
+	inotify_devi = devi;
+
+	inotify_minor = vmem_create("inotify_minor", (void *)INOTIFYMNRN_CLONE,
+	    UINT32_MAX - INOTIFYMNRN_CLONE, 1, NULL, NULL, NULL, 0,
+	    VM_SLEEP | VMC_IDENTIFIER);
+
+	mutex_exit(&inotify_lock);
+
+	return (DDI_SUCCESS);
+}
+
+/*ARGSUSED*/
+static int
+inotify_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
+{
+	switch (cmd) {
+	case DDI_DETACH:
+		break;
+
+	case DDI_SUSPEND:
+		return (DDI_SUCCESS);
+
+	default:
+		return (DDI_FAILURE);
+	}
+
+	mutex_enter(&inotify_lock);
+	fem_free(inotify_femp);
+	vmem_destroy(inotify_minor);
+
+	ddi_remove_minor_node(inotify_devi, NULL);
+	inotify_devi = NULL;
+
+	ddi_soft_state_fini(&inotify_softstate);
+	mutex_exit(&inotify_lock);
+
+	return (DDI_SUCCESS);
+}
+
+/*ARGSUSED*/
+static int
+inotify_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result)
+{
+	int error;
+
+	switch (infocmd) {
+	case DDI_INFO_DEVT2DEVINFO:
+		*result = (void *)inotify_devi;
+		error = DDI_SUCCESS;
+		break;
+	case DDI_INFO_DEVT2INSTANCE:
+		*result = (void *)0;
+		error = DDI_SUCCESS;
+		break;
+	default:
+		error = DDI_FAILURE;
+	}
+	return (error);
+}
+
+static struct cb_ops inotify_cb_ops = {
+	inotify_open,		/* open */
+	inotify_close,		/* close */
+	nulldev,		/* strategy */
+	nulldev,		/* print */
+	nodev,			/* dump */
+	inotify_read,		/* read */
+	nodev,			/* write */
+	inotify_ioctl,		/* ioctl */
+	nodev,			/* devmap */
+	nodev,			/* mmap */
+	nodev,			/* segmap */
+	inotify_poll,		/* poll */
+	ddi_prop_op,		/* cb_prop_op */
+	0,			/* streamtab  */
+	D_NEW | D_MP		/* Driver compatibility flag */
+};
+
+static struct dev_ops inotify_ops = {
+	DEVO_REV,		/* devo_rev */
+	0,			/* refcnt */
+	inotify_info,		/* get_dev_info */
+	nulldev,		/* identify */
+	nulldev,		/* probe */
+	inotify_attach,		/* attach */
+	inotify_detach,		/* detach */
+	nodev,			/* reset */
+	&inotify_cb_ops,	/* driver operations */
+	NULL,			/* bus operations */
+	nodev,			/* dev power */
+	ddi_quiesce_not_needed,	/* quiesce */
+};
+
+static struct modldrv modldrv = {
+	&mod_driverops,		/* module type (this is a pseudo driver) */
+	"inotify support",	/* name of module */
+	&inotify_ops,		/* driver ops */
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1,
+	(void *)&modldrv,
+	NULL
+};
+
+int
+_init(void)
+{
+	return (mod_install(&modlinkage));
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	return (mod_remove(&modlinkage));
+}
diff --git a/usr/src/uts/common/io/inotify.conf b/usr/src/uts/common/io/inotify.conf
new file mode 100644
index 0000000000..ce9da6180f
--- /dev/null
+++ b/usr/src/uts/common/io/inotify.conf
@@ -0,0 +1,16 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+name="inotify" parent="pseudo" instance=0;
diff --git a/usr/src/uts/common/io/ixgbe/ixgbe_main.c b/usr/src/uts/common/io/ixgbe/ixgbe_main.c
index 848e3470c7..117b7da16a 100644
--- a/usr/src/uts/common/io/ixgbe/ixgbe_main.c
+++ b/usr/src/uts/common/io/ixgbe/ixgbe_main.c
@@ -1792,6 +1792,7 @@ ixgbe_cbfunc(dev_info_t *dip, ddi_cb_action_t cbaction, void *cbarg,
     void *arg1, void *arg2)
 {
 	ixgbe_t *ixgbe = (ixgbe_t *)arg1;
+	int prev = ixgbe->intr_cnt;
 
 	switch (cbaction) {
 	/* IRM callback */
@@ -1805,7 +1806,8 @@ ixgbe_cbfunc(dev_info_t *dip, ddi_cb_action_t cbaction, void *cbarg,
 		if (ixgbe_intr_adjust(ixgbe, cbaction, count) !=
 		    DDI_SUCCESS) {
 			ixgbe_error(ixgbe,
-			    "IRM CB: Failed to adjust interrupts");
+			    "IRM CB: Failed to adjust interrupts [%d %d %d]",
+			    cbaction, count, prev);
 			goto cb_fail;
 		}
 		break;
diff --git a/usr/src/uts/common/io/ksocket/ksocket.c b/usr/src/uts/common/io/ksocket/ksocket.c
index 49ca6f0475..25da45be39 100644
--- a/usr/src/uts/common/io/ksocket/ksocket.c
+++ b/usr/src/uts/common/io/ksocket/ksocket.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #include <sys/file.h>
@@ -820,7 +821,7 @@ ksocket_spoll(ksocket_t ks, int timo, short events, short *revents,
 		if (error != 0 || *revents != 0)
 			break;
 
-		if (pcp->pc_flag & T_POLLWAKE)
+		if (pcp->pc_flag & PC_POLLWAKE)
 			continue;
 
 		if (timo == -1) {
@@ -931,3 +932,15 @@ ksocket_rele(ksocket_t ks)
 			cv_signal(&so->so_closing_cv);
 	}
 }
+
+int
+ksocket_krecv_set(ksocket_t ks, ksocket_krecv_f cb, void *arg)
+{
+	return (so_krecv_set(KSTOSO(ks), (so_krecv_f)cb, arg));
+}
+
+void
+ksocket_krecv_unblock(ksocket_t ks)
+{
+	return (so_krecv_unblock(KSTOSO(ks)));
+}
diff --git a/usr/src/uts/common/io/ksocket/ksocket_impl.h b/usr/src/uts/common/io/ksocket/ksocket_impl.h
index ac5251540f..516a68d358 100644
--- a/usr/src/uts/common/io/ksocket/ksocket_impl.h
+++ b/usr/src/uts/common/io/ksocket/ksocket_impl.h
@@ -22,11 +22,17 @@
 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #ifndef	_INET_KSOCKET_KSOCKET_IMPL_H
 #define	_INET_KSOCKET_KSOCKET_IMPL_H
 
+/*
+ * Note that if this relationship ever changes, the logic in ksocket_krecv_set
+ * must be updated and we must maintain local state about this on whatever the
+ * new ksocket object is.
+ */
 #define	KSTOSO(ks)	((struct sonode *)(ks))
 #define	SOTOKS(so)	((ksocket_t)(uintptr_t)(so))
 
diff --git a/usr/src/uts/common/io/mac/mac.c b/usr/src/uts/common/io/mac/mac.c
index ed809e5f45..99bdbda0cd 100644
--- a/usr/src/uts/common/io/mac/mac.c
+++ b/usr/src/uts/common/io/mac/mac.c
@@ -264,6 +264,13 @@
  * subflows before attempting a link property change.
  * Some of the above rules can be overridden by specifying additional command
  * line options while creating or modifying link or subflow properties.
+ *
+ * Datapath
+ * --------
+ *
+ * For information on the datapath, the world of soft rings, hardware rings, how
+ * it is structured, and the path of an mblk_t between a driver and a mac
+ * client, see mac_sched.c.
  */
 
 #include <sys/types.h>
@@ -3094,6 +3101,9 @@ mac_prop_check_size(mac_prop_id_t id, uint_t valsize, boolean_t is_range)
 	case MAC_PROP_WL_MLME:
 		minsize = sizeof (wl_mlme_t);
 		break;
+	case MAC_PROP_VN_PROMISC_FILTERED:
+		minsize = sizeof (boolean_t);
+		break;
 	}
 
 	return (valsize >= minsize);
diff --git a/usr/src/uts/common/io/mac/mac_client.c b/usr/src/uts/common/io/mac/mac_client.c
index 078d0e816d..d719899901 100644
--- a/usr/src/uts/common/io/mac/mac_client.c
+++ b/usr/src/uts/common/io/mac/mac_client.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 /*
@@ -1344,6 +1344,7 @@ mac_client_open(mac_handle_t mh, mac_client_handle_t *mchp, char *name,
 	mcip->mci_p_unicast_list = NULL;
 	mcip->mci_direct_rx_fn = NULL;
 	mcip->mci_direct_rx_arg = NULL;
+	mcip->mci_vidcache = MCIP_VIDCACHE_INVALID;
 
 	mcip->mci_unicast_list = NULL;
 
@@ -3255,7 +3256,8 @@ mac_promisc_add(mac_client_handle_t mch, mac_client_promisc_type_t type,
 	}
 
 	if ((mcip->mci_state_flags & MCIS_IS_VNIC) &&
-	    type == MAC_CLIENT_PROMISC_ALL) {
+	    type == MAC_CLIENT_PROMISC_ALL &&
+	    (mcip->mci_protect_flags & MPT_FLAG_PROMISC_FILTERED)) {
 		/*
 		 * The function is being invoked by the upper MAC client
 		 * of a VNIC. The VNIC should only see the traffic
@@ -4134,16 +4136,15 @@ mac_info_get(const char *name, mac_info_t *minfop)
 /*
  * To get the capabilities that MAC layer cares about, such as rings, factory
  * mac address, vnic or not, it should directly invoke this function.  If the
- * link is part of a bridge, then the only "capability" it has is the inability
- * to do zero copy.
+ * link is part of a bridge, then the link is unable to do zero copy.
  */
 boolean_t
 i_mac_capab_get(mac_handle_t mh, mac_capab_t cap, void *cap_data)
 {
 	mac_impl_t *mip = (mac_impl_t *)mh;
 
-	if (mip->mi_bridge_link != NULL)
-		return (cap == MAC_CAPAB_NO_ZCOPY);
+	if (mip->mi_bridge_link != NULL && cap == MAC_CAPAB_NO_ZCOPY)
+		return (B_TRUE);
 	else if (mip->mi_callbacks->mc_callbacks & MC_GETCAPAB)
 		return (mip->mi_getcapab(mip->mi_driver, cap, cap_data));
 	else
@@ -4322,7 +4323,13 @@ mac_addr_len(mac_handle_t mh)
 boolean_t
 mac_is_vnic(mac_handle_t mh)
 {
-	return (((mac_impl_t *)mh)->mi_state_flags & MIS_IS_VNIC);
+	return ((((mac_impl_t *)mh)->mi_state_flags & MIS_IS_VNIC) != 0);
+}
+
+boolean_t
+mac_is_overlay(mac_handle_t mh)
+{
+	return ((((mac_impl_t *)mh)->mi_state_flags & MIS_IS_OVERLAY) != 0);
 }
 
 mac_handle_t
@@ -4800,6 +4807,8 @@ mac_client_add_to_flow_list(mac_client_impl_t *mcip, flow_entry_t *flent)
 	 */
 	rw_enter(&mcip->mci_rw_lock, RW_WRITER);
 
+	mcip->mci_vidcache = MCIP_VIDCACHE_INVALID;
+
 	/* Add it to the head */
 	flent->fe_client_next = mcip->mci_flent_list;
 	mcip->mci_flent_list = flent;
@@ -4830,6 +4839,8 @@ mac_client_remove_flow_from_list(mac_client_impl_t *mcip, flow_entry_t *flent)
 	 * using mci_rw_lock
 	 */
 	rw_enter(&mcip->mci_rw_lock, RW_WRITER);
+	mcip->mci_vidcache = MCIP_VIDCACHE_INVALID;
+
 	while ((fe != NULL) && (fe != flent)) {
 		prev_fe = fe;
 		fe = fe->fe_client_next;
@@ -4858,6 +4869,14 @@ mac_client_check_flow_vid(mac_client_impl_t *mcip, uint16_t vid)
 {
 	flow_entry_t	*flent;
 	uint16_t	mci_vid;
+	uint32_t	cache = mcip->mci_vidcache;
+
+	/*
+	 * In hopes of not having to touch the mci_rw_lock, check to see if
+	 * this vid matches our cached result.
+	 */
+	if (MCIP_VIDCACHE_ISVALID(cache) && MCIP_VIDCACHE_VID(cache) == vid)
+		return (MCIP_VIDCACHE_BOOL(cache) ? B_TRUE : B_FALSE);
 
 	/* The mci_flent_list is protected by mci_rw_lock */
 	rw_enter(&mcip->mci_rw_lock, RW_WRITER);
@@ -4865,10 +4884,13 @@ mac_client_check_flow_vid(mac_client_impl_t *mcip, uint16_t vid)
 	    flent = flent->fe_client_next) {
 		mci_vid = i_mac_flow_vid(flent);
 		if (vid == mci_vid) {
+			mcip->mci_vidcache = MCIP_VIDCACHE_CACHE(vid, B_TRUE);
 			rw_exit(&mcip->mci_rw_lock);
 			return (B_TRUE);
 		}
 	}
+
+	mcip->mci_vidcache = MCIP_VIDCACHE_CACHE(vid, B_FALSE);
 	rw_exit(&mcip->mci_rw_lock);
 	return (B_FALSE);
 }
@@ -5521,3 +5543,23 @@ mac_client_set_rings(mac_client_handle_t mch, int rxrings, int txrings)
 		mrp->mrp_ntxrings = txrings;
 	}
 }
+
+boolean_t
+mac_get_promisc_filtered(mac_client_handle_t mch)
+{
+	mac_client_impl_t	*mcip = (mac_client_impl_t *)mch;
+
+	return (mcip->mci_protect_flags & MPT_FLAG_PROMISC_FILTERED);
+}
+
+void
+mac_set_promisc_filtered(mac_client_handle_t mch, boolean_t enable)
+{
+	mac_client_impl_t	*mcip = (mac_client_impl_t *)mch;
+
+	ASSERT(MAC_PERIM_HELD((mac_handle_t)mcip->mci_mip));
+	if (enable)
+		mcip->mci_protect_flags |= MPT_FLAG_PROMISC_FILTERED;
+	else
+		mcip->mci_protect_flags &= ~MPT_FLAG_PROMISC_FILTERED;
+}
diff --git a/usr/src/uts/common/io/mac/mac_datapath_setup.c b/usr/src/uts/common/io/mac/mac_datapath_setup.c
index 5ca673ea6e..b0f184b161 100644
--- a/usr/src/uts/common/io/mac/mac_datapath_setup.c
+++ b/usr/src/uts/common/io/mac/mac_datapath_setup.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #include <sys/types.h>
@@ -603,6 +604,7 @@ mac_srs_cpu_setup(cpu_setup_t what, int id, void *arg)
  *
  * TODO: Cleanup and tighten some of the assumptions.
  */
+boolean_t mac_check_overlay = B_TRUE;
 boolean_t mac_use_bw_heuristic = B_TRUE;
 static int
 mac_compute_soft_ring_count(flow_entry_t *flent, int rx_srs_cnt, int maxcpus)
@@ -610,6 +612,7 @@ mac_compute_soft_ring_count(flow_entry_t *flent, int rx_srs_cnt, int maxcpus)
 	uint64_t cpu_speed, bw = 0;
 	int srings = 0;
 	boolean_t bw_enabled = B_FALSE;
+	mac_client_impl_t *mcip = flent->fe_mcip;
 
 	ASSERT(!(flent->fe_type & FLOW_USER));
 	if (flent->fe_resource_props.mrp_mask & MRP_MAXBW &&
@@ -637,7 +640,16 @@ mac_compute_soft_ring_count(flow_entry_t *flent, int rx_srs_cnt, int maxcpus)
 			 */
 			if (mac_soft_ring_enable)
 				srings = srings * 2;
+		} else if (mac_check_overlay == B_TRUE &&
+		    (mcip->mci_state_flags & MCIS_IS_VNIC) != 0) {
+			/* Is this a VNIC on an overlay? */
+			mac_handle_t mh = (mac_handle_t)mcip->mci_mip;
+			if (mac_is_overlay(mh) == B_TRUE) {
+				srings = mac_rx_soft_ring_10gig_count;
+			}
 		}
+
+
 	} else {
 		/*
 		 * Soft ring computation using CPU speed and specified
diff --git a/usr/src/uts/common/io/mac/mac_protect.c b/usr/src/uts/common/io/mac/mac_protect.c
index cd7fcb9a5d..e341f3d562 100644
--- a/usr/src/uts/common/io/mac/mac_protect.c
+++ b/usr/src/uts/common/io/mac/mac_protect.c
@@ -2297,6 +2297,9 @@ mac_protect_init(mac_client_impl_t *mcip)
 	    sizeof (dhcpv6_cid_t), offsetof(dhcpv6_cid_t, dc_node));
 	avl_create(&mcip->mci_v6_dyn_ip, compare_dhcpv6_ip,
 	    sizeof (dhcpv6_addr_t), offsetof(dhcpv6_addr_t, da_node));
+
+	if (mcip->mci_state_flags & MCIS_IS_VNIC)
+		mcip->mci_protect_flags |= MPT_FLAG_PROMISC_FILTERED;
 }
 
 void
diff --git a/usr/src/uts/common/io/mac/mac_provider.c b/usr/src/uts/common/io/mac/mac_provider.c
index 57d1996d84..a17795be22 100644
--- a/usr/src/uts/common/io/mac/mac_provider.c
+++ b/usr/src/uts/common/io/mac/mac_provider.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #include <sys/types.h>
@@ -350,6 +351,9 @@ mac_register(mac_register_t *mregp, mac_handle_t *mhp)
 	if (i_mac_capab_get((mac_handle_t)mip, MAC_CAPAB_AGGR, NULL))
 		mip->mi_state_flags |= MIS_IS_AGGR;
 
+	if (i_mac_capab_get((mac_handle_t)mip, MAC_CAPAB_OVERLAY, NULL))
+		mip->mi_state_flags |= MIS_IS_OVERLAY;
+
 	mac_addr_factory_init(mip);
 
 	/*
diff --git a/usr/src/uts/common/io/mac/mac_sched.c b/usr/src/uts/common/io/mac/mac_sched.c
index 9385fb08ac..4e33dccb76 100644
--- a/usr/src/uts/common/io/mac/mac_sched.c
+++ b/usr/src/uts/common/io/mac/mac_sched.c
@@ -21,10 +21,944 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
- * Copyright 2011 Joyent, Inc.  All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
  */
 
+/*
+ * MAC data path
+ *
+ * The MAC data path is concerned with the flow of traffic from mac clients --
+ * DLS, IP, etc. -- to various GLDv3 device drivers -- e1000g, vnic, aggr,
+ * ixgbe, etc. -- and from the GLDv3 device drivers back to clients.
+ *
+ * -----------
+ * Terminology
+ * -----------
+ *
+ * MAC uses a lot of different, but related terms that are associated with the
+ * design and structure of the data path. Before we cover other aspects, first
+ * let's review the terminology that MAC uses.
+ *
+ * GLDv3 DEVICE DRIVER
+ *
+ * 	A GLDv3 device driver refers to a driver, both for pseudo-devices and
+ * 	real devices, which implement the GLDv3 driver API. Common examples of
+ * 	these are igb and ixgbe, which are drivers for various Intel networking
+ * 	cards. These devices may or may not have various features, such as
+ * 	hardware rings and checksum offloading. For MAC, a GLDv3 device is the
+ * 	final point for the transmission of a packet and the starting point for
+ * 	the receipt of a packet.
+ *
+ * FLOWS
+ *
+ * 	At a high level, a flow refers to a series of packets that are related.
+ * 	Often times the term is used in the context of TCP to indicate a unique
+ * 	TCP connection and the traffic over it. However, a flow can exist at
+ * 	other levels of the system as well. MAC has a notion of a default flow
+ * 	which is used for all unicast traffic addressed to the address of a MAC
+ * 	device. For example, when a VNIC is created, a default flow is created
+ * 	for the VNIC's MAC address. In addition, flows are created for broadcast
+ * 	groups and a user may create a flow with flowadm(1M).
+ *
+ * CLASSIFICATION
+ *
+ * 	Classification refers to the notion of identifying an incoming frame
+ * 	based on its destination address and optionally its source addresses and
+ * 	doing different processing based on that information. Classification can
+ * 	be done in both hardware and software. In general, we usually only
+ * 	classify based on the layer two destination, eg. for Ethernet, the
+ * 	destination MAC address.
+ *
+ * 	The system also will do classification based on layer three and layer
+ * 	four properties. This is used to support things like flowadm(1M), which
+ * 	allows setting QoS and other properties on a per-flow basis.
+ *
+ * RING
+ *
+ * 	Conceptually, a ring represents a series of framed messages, often in a
+ * 	contiguous chunk of memory that acts as a circular buffer. Rings come in
+ * 	a couple of forms. Generally they are either a hardware construct (hw
+ * 	ring) or they are a software construct (sw ring) maintained by MAC.
+ *
+ * HW RING
+ *
+ * 	A hardware ring is a set of resources provided by a GLDv3 device driver
+ * 	(even if it is a pseudo-device). A hardware ring comes in two different
+ * 	forms: receive (rx) rings and transmit (tx) rings. An rx hw ring is
+ * 	something that has a unique DMA (direct memory access) region and
+ * 	generally supports some form of classification (though it isn't always
+ * 	used), as well as a means of generating an interrupt specific to that
+ * 	ring. For example, the device may generate a specific MSI-X for a PCI
+ * 	express device. A tx ring is similar, except that it is dedicated to
+ * 	transmission. It may also be a vector for enabling features such as VLAN
+ * 	tagging and large transmit offloading.
+ *
+ * SW RING
+ *
+ * 	A software ring is a construction of MAC. It represents the same thing
+ * 	that a hardware ring generally does, a collection of frames. However,
+ * 	instead of being in a contiguous ring of memory, they're instead linked
+ * 	by using the mblk_t's b_next pointer. A software ring always represents
+ * 	a collection of classified packets; however, it varies as to whether it
+ * 	uses only layer two information, or a combination of that and additional
+ * 	layer three and layer four data.
+ *
+ * FANOUT
+ *
+ * 	Fanout is the idea of spreading out the load of processing frames based
+ * 	on the source and destination information contained in the layer two,
+ * 	three, and four headers, such that the data can then be processed in
+ * 	parallel using multiple hardware threads.
+ *
+ * 	A fanout algorithm hashes the headers and uses that to place different
+ * 	flows into a bucket. The most important thing is that packets that are
+ * 	in the same flow end up in the same bucket. If they do not, performance
+ * 	can be adversely affected. Consider the case of TCP.  TCP severely
+ * 	penalizes a connection if the data arrives out of order. If a given flow
+ * 	is processed on different CPUs, then the data will appear out of order,
+ * 	hence the invariant that fanout always hash a given flow to the same
+ * 	bucket.
+ *
+ * RECEIVE SIDE SCALING (RSS)
+ *
+ *
+ * 	Receive side scaling is a term that isn't common in illumos, but is used
+ * 	by vendors and was popularized by Microsoft. It refers to the idea of
+ * 	spreading the incoming receive load out across multiple interrupts which
+ * 	can be directed to different CPUs. This allows a device to leverage
+ * 	hardware rings even when it doesn't support hardware classification. The
+ * 	hardware uses an algorithm to perform fanout that ensures the flow
+ * 	invariant is maintained.
+ *
+ * SOFT RING SET
+ *
+ * 	A soft ring set, commonly abbreviated SRS, is a collection of rings and
+ * 	is used for both transmitting and receiving. It is maintained in the
+ * 	structure mac_soft_ring_set_t. A soft ring set is usually associated
+ * 	with flows, and coordinates both the use of hardware and software rings.
+ * 	Because the use of hardware rings can change as devices such as VNICs
+ * 	come and go, we always ensure that the set has software classification
+ * 	rules that correspond to the hardware classification rules from rings.
+ *
+ * 	Soft ring sets are also used for the enforcement of various QoS
+ * 	properties. For example, if a bandwidth limit has been placed on a
+ * 	specific flow or device, then that will be enforced by the soft ring
+ * 	set.
+ *
+ * SERVICE ATTACHMENT POINT (SAP)
+ *
+ * 	The service attachment point is a DLPI (Data Link Provider Interface)
+ * 	concept; however, it comes up quite often in MAC. Most MAC devices speak
+ * 	a protocol that has some notion of different channels or message type
+ * 	identifiers. For example, Ethernet defines an EtherType which is a part
+ * 	of the Ethernet header and defines the particular protocol of the data
+ * 	payload. If the EtherType is set to 0x0800, then it defines that the
+ * 	contents of that Ethernet frame is IPv4 traffic. For Ethernet, the
+ * 	EtherType is the SAP.
+ *
+ * 	In DLPI, a given consumer attaches to a specific SAP. In illumos, the ip
+ * 	and arp drivers attach to the EtherTypes for IPv4, IPv6, and ARP. Using
+ * 	libdlpi(3LIB) user software can attach to arbitrary SAPs. With the
+ * 	exception of 802.1Q VLAN tagged traffic, MAC itself does not directly
+ * 	consume the SAP; however, it uses that information as part of hashing
+ * 	and it may be used as part of the construction of flows.
+ *
+ * PRIMARY MAC CLIENT
+ *
+ * 	The primary mac client refers to a mac client whose unicast address
+ * 	matches the address of the device itself. For example, if the system has
+ * 	instance of the e1000g driver such as e1000g0, e1000g1, etc. The primary
+ * 	mac client is the one named after the device itself. VNICs that are
+ * 	created on top of such devices are not the primary client.
+ *
+ * TRANSMIT DESCRIPTORS
+ *
+ * 	Transmit descriptors are a resource that most GLDv3 device drivers have.
+ * 	Generally, a GLDv3 device driver takes a frame that's meant to be output
+ * 	and puts a copy of it into a region of memory. Each region of memory
+ * 	usually has an associated descriptor that the device uses to manage
+ * 	properties of the frames. Devices have a limited number of such
+ * 	descriptors. They get reclaimed once the device finishes putting the
+ * 	frame on the wire.
+ *
+ * 	If the driver runs out of transmit descriptors, for example, the OS is
+ * 	generating more frames than it can put on the wire, then it will return
+ * 	them back to the MAC layer.
+ *
+ * ---------------------------------
+ * Rings, Classification, and Fanout
+ * ---------------------------------
+ *
+ * The heart of MAC is made up of rings, and not those that Elven-kings wear.
+ * When receiving a packet, MAC breaks the work into two different, though
+ * interrelated phases. The first phase is generally classification and then the
+ * second phase is generally fanout. When a frame comes in from a GLDv3 Device,
+ * MAC needs to determine where that frame should be delivered. If it's a
+ * unicast frame (say a normal TCP/IP packet), then it will be delivered to a
+ * single MAC client; however, if it's a broadcast or multicast frame, then MAC
+ * may need to deliver it to multiple MAC clients.
+ *
+ * On transmit, classification isn't quite as important, but may still be used.
+ * Unlike with the receive path, the classification is not used to determine
+ * devices that should transmit something, but rather is used for special
+ * properties of a flow, eg. bandwidth limits for a given IP address, device, or
+ * connection.
+ *
+ * MAC employs a software classifier and leverages hardware classification as
+ * well. The software classifier can leverage the full layer two information,
+ * source, destination, VLAN, and SAP. If the SAP indicates that IP traffic is
+ * being sent, it can classify based on the IP header, and finally, it also
+ * knows how to classify based on the local and remote ports of TCP, UDP, and
+ * SCTP.
+ *
+ * Hardware classifiers vary in capability. Generally all hardware classifiers
+ * provide the capability to classify based on the destination MAC address. Some
+ * hardware has additional filters built in for performing more in-depth
+ * classification; however, it often has much more limited resources for these
+ * activities as compared to the layer two destination address classification.
+ *
+ * The modus operandi in MAC is to always ensure that we have software-based
+ * capabilities and rules in place and then to supplement that with hardware
+ * resources when available. In general, simple layer two classification is
+ * sufficient and nothing else is used, unless a specific flow is created with
+ * tools such as flowadm(1M) or bandwidth limits are set on a device with
+ * dladm(1M).
+ *
+ * RINGS AND GROUPS
+ *
+ * To get into how rings and classification play together, it's first important
+ * to understand how hardware devices commonly associate rings and allow them to
+ * be programmed. Recall that a hardware ring should be thought of as a DMA
+ * buffer and an interrupt resource. Rings are then collected into groups. A
+ * group itself has a series of classification rules. One or more MAC addresses
+ * are assigned to a group.
+ *
+ * Hardware devices vary in terms of what capabilities they provide. Sometimes
+ * they allow for a dynamic assignment of rings to a group and sometimes they
+ * have a static assignment of rings to a group. For example, the ixgbe driver
+ * has a static assignment of rings to groups such that every group has exactly
+ * one ring and there are a number of groups equal to the number of rings.
+ *
+ * Classification and receive side scaling both come into play with how a device
+ * advertises itself to MAC and how MAC uses it. If a device supports layer two
+ * classification of frames, then MAC will assign MAC addresses to a group as a
+ * form of primary classification. If a single MAC address is assigned to a
+ * group, a common case, then MAC will consider packets that come in from rings
+ * on that group to be fully classified and will not need to do any software
+ * classification unless a specific flow has been created.
+ *
+ * If a device supports receive side scaling, then it may advertise or support
+ * groups with multiple rings. In those cases, then receive side scaling will
+ * come into play and MAC will use that as a means of fanning out received
+ * frames across multiple CPUs. This can also be combined with groups that
+ * support layer two classification.
+ *
+ * If a device supports dynamic assignments of rings to groups, then MAC will
+ * change around the way that rings are assigned to various groups as devices
+ * come and go from the system. For example, when a VNIC is created, a new flow
+ * will be created for the VNIC's MAC address. If a hardware ring is available,
+ * MAC may opt to reassign a it from one group to another.
+ *
+ * ASSIGNMENT OF HARDWARE RINGS
+ *
+ * This is a bit of a complicated subject that varies depending on the device,
+ * the use of aggregations, the special nature of the primary mac client. This
+ * section deserves being fleshed out.
+ *
+ * FANOUT
+ *
+ * illumos uses fanout to help spread out the incoming processing load of chains
+ * of frames away from a single CPU. If a device supports receive side scaling,
+ * then that provides an initial form of fanout; however, what we're concerned
+ * with all happens after the context of a given set of frames being classified
+ * to a soft ring set.
+ *
+ * After frames reach a soft ring set and account for any potential bandwidth
+ * related accounting, they may be fanned out based on one of the following
+ * three modes:
+ *
+ *     o No Fanout
+ *     o Protocol level fanout
+ *     o Full software ring protocol fanout
+ *
+ * MAC makes the determination as to which of these modes a given soft ring set
+ * obtains based on parameters such as whether or not it's the primary mac
+ * client, whether it's on a 10 GbE or faster device, user controlled dladm(1M)
+ * properties, and the nature of the hardware and the resources that it has.
+ *
+ * When there is no fanout, MAC does not create any soft rings on a device and
+ * the device has frames delivered directly to the MAC client.
+ *
+ * Otherwise, all fanout is performed by software. MAC divides incoming frames
+ * into one of three buckets -- IPv4 TCP traffic, IPv4 UDP traffic, and
+ * everything else. Note, VLAN tagged traffic is considered other, regardless of
+ * the interior EtherType. Regardless of the type of fanout, these three
+ * categories or buckets are always used.
+ *
+ * The difference between protocol level fanout and full software ring protocol
+ * fanout is the number of software rings that end up getting created. The
+ * system always uses the same number of software rings per protocol bucket. So
+ * in the first case when we're just doing protocol level fanout, we just create
+ * one software ring each for IPv4 TCP traffic, IPv4 UDP traffic, and everything
+ * else.
+ *
+ * In the case where we do full software ring protocol fanout, we generally use
+ * mac_compute_soft_ring_count() to determine the number of rings. There are
+ * other combinations of properties and devices that may send us down other
+ * paths, but this is a common starting point. If it's a non-bandwidth enforced
+ * device and we're on at least a 10 GbE link, then we'll use eight soft rings
+ * per protocol bucket as a starting point. See mac_compute_soft_ring_count()
+ * for more information on the total number.
+ *
+ * For each of these rings, we create a mac_soft_ring_t and an associated worker
+ * thread. Particularly when doing full software ring protocol fanout, we bind
+ * each of the worker threads to individual CPUs.
+ *
+ * The other advantage of these software rings is that it allows upper layers to
+ * optionally poll on them. For example, TCP can leverage an squeue to poll on
+ * the software ring.
+ *
+ * DLS BYPASS
+ *
+ * DLS is the data link services module. It interfaces with DLPI, which is the
+ * primary way that other parts of the system such as IP interface with the MAC
+ * layer. While DLS is traditionally a STREAMS-based interface, it allows for
+ * certain modules such as IP to negotiate various more modern interfaces to be
+ * used, which are useful for higher performance and allow it to use direct
+ * function calls to DLS instead of using STREAMS.
+ *
+ * When we have IPv4 TCP or UDP software rings, then traffic on those rings is
+ * eligible for what we call the dls bypass. In those cases, rather than going
+ * out mac_rx_deliver() to DLS, DLS instead registers them to go directly the
+ * direct callback registered with DLS, generally ip_input().
+ *
+ * HARDWARE RING POLLING
+ *
+ * GLDv3 devices with hardware rings generally deliver chains of messages
+ * (mblk_t chain) during the context of a single interrupt. However, interrupts
+ * are not the only way that these devices may be used. As part of implementing
+ * ring support, a GLDv3 device driver must have a way to disable the generation
+ * of that interrupt and allow for the operating system to poll on that ring.
+ *
+ * To implement this, every soft ring set has a worker thread and a polling
+ * thread. If a sufficient packet rate comes into the system, MAC will 'blank'
+ * (disable) interrupts on that specific ring and the polling thread will start
+ * consuming packets from the hardware device and deliver them to the soft ring
+ * set, where the worker thread will take over.
+ *
+ * Once the rate of packet intake drops down below a certain threshold, then
+ * polling on the hardware ring will be quiesced and interrupts will be
+ * re-enabled for the given ring. This effectively allows the system to shift
+ * how it handles a ring based on its load. At high packet rates, polling on the
+ * device as opposed to relying on interrupts can actually reduce overall system
+ * load due to the minimization of interrupt activity.
+ *
+ * Note the importance of each ring having its own interrupt source. The whole
+ * idea here is that we do not disable interrupts on the device as a whole, but
+ * rather each ring can be independently toggled.
+ *
+ * USE OF WORKER THREADS
+ *
+ * Both the soft ring set and individual soft rings have a worker thread
+ * associated with them that may be bound to a specific CPU in the system. Any
+ * such assignment will get reassessed as part of dynamic reconfiguration events
+ * in the system such as the onlining and offlining of CPUs and the creation of
+ * CPU partitions.
+ *
+ * In many cases, while in an interrupt, we try to deliver a frame all the way
+ * through the stack in the context of the interrupt itself. However, if the
+ * amount of queued frames has exceeded a threshold, then we instead defer to
+ * the worker thread to do this work and signal it. This is particularly useful
+ * when you have the soft ring set delivering frames into multiple software
+ * rings. If it was only delivering frames into a single software ring then
+ * there'd be no need to have another thread take over. However, if it's
+ * delivering chains of frames to multiple rings, then it's worthwhile to have
+ * the worker for the software ring take over so that the different software
+ * rings can be processed in parallel.
+ *
+ * In a similar fashion to the hardware polling thread, if we don't have a
+ * backlog or there's nothing to do, then the worker thread will go back to
+ * sleep and frames can be delivered all the way from an interrupt. This
+ * behavior is useful as it's designed to minimize latency and the default
+ * disposition of MAC is to optimize for latency.
+ *
+ * MAINTAINING CHAINS
+ *
+ * Another useful idea that MAC uses is to try and maintain frames in chains for
+ * as long as possible. The idea is that all of MAC can handle chains of frames
+ * structured as a series of mblk_t structures linked with the b_next pointer.
+ * When performing software classification and software fanout, MAC does not
+ * simply determine the destination and send the frame along. Instead, in the
+ * case of classification, it tries to maintain a chain for as long as possible
+ * before passing it along and performing additional processing.
+ *
+ * In the case of fanout, MAC first determines what the target software ring is
+ * for every frame in the original chain and constructs a new chain for each
+ * target. MAC then delivers the new chain to each software ring in succession.
+ *
+ * The whole rationale for doing this is that we want to try and maintain the
+ * pipe as much as possible and deliver as many frames through the stack at once
+ * that we can, rather than just pushing a single frame through. This can often
+ * help bring down latency and allows MAC to get a better sense of the overall
+ * activity in the system and properly engage worker threads.
+ *
+ * --------------------
+ * Bandwidth Management
+ * --------------------
+ *
+ * Bandwidth management is something that's built into the soft ring set itself.
+ * When bandwidth limits are placed on a flow, a corresponding soft ring set is
+ * toggled into bandwidth mode. This changes how we transmit and receive the
+ * frames in question.
+ *
+ * Bandwidth management is done on a per-tick basis. We translate the user's
+ * requested bandwidth from a quantity per-second into a quantity per-tick. MAC
+ * cannot process a frame across more than one tick, thus it sets a lower bound
+ * for the bandwidth cap to be a single MTU. This also means that when
+ * hires ticks are enabled (hz is set to 1000), that the minimum amount of
+ * bandwidth is higher, because the number of ticks has increased and MAC has to
+ * go from accepting 100 packets / sec to 1000 / sec.
+ *
+ * The bandwidth counter is reset by either the soft ring set's worker thread or
+ * a thread that is doing an inline transmit or receive if they discover that
+ * the current tick is in the future from the recorded tick.
+ *
+ * Whenever we're receiving or transmitting data, we end up leaving most of the
+ * work to the soft ring set's worker thread. This forces data inserted into the
+ * soft ring set to be effectively serialized and allows us to exhume bandwidth
+ * at a reasonable rate. If there is nothing in the soft ring set at the moment
+ * and the set has available bandwidth, then it may processed inline.
+ * Otherwise, the worker is responsible for taking care of the soft ring set.
+ *
+ * ---------------------
+ * The Receive Data Path
+ * ---------------------
+ *
+ * The following series of ASCII art images breaks apart the way that a frame
+ * comes in and is processed in MAC.
+ *
+ * Part 1 -- Initial frame receipt, SRS classification
+ *
+ * Here, a frame is received by a GLDv3 driver, generally in the context of an
+ * interrupt, and it ends up in mac_rx_common(). A driver calls either mac_rx or
+ * mac_rx_ring, depending on whether or not it supports rings and can identify
+ * the interrupt as having come from a specific ring. Here we determine whether
+ * or not it's fully classified and perform software classification as
+ * appropriate. From here, everything always ends up going to either entry [A]
+ * or entry [B] based on whether or not they have subflow processing needed. We
+ * leave via fanout or delivery.
+ *
+ *           +===========+
+ *           v hardware  v
+ *           v interrupt v
+ *           +===========+
+ *                 |
+ *                 * . . appropriate
+ *                 |     upcall made
+ *                 |     by GLDv3 driver  . . always
+ *                 |                      .
+ *  +--------+     |     +----------+     .    +---------------+
+ *  | GLDv3  |     +---->| mac_rx   |-----*--->| mac_rx_common |
+ *  | Driver |-->--+     +----------+          +---------------+
+ *  +--------+     |        ^                         |
+ *      |          |        ^                         v
+ *      ^          |        * . . always   +----------------------+
+ *      |          |        |              | mac_promisc_dispatch |
+ *      |          |    +-------------+    +----------------------+
+ *      |          +--->| mac_rx_ring |               |
+ *      |               +-------------+               * . . hw classified
+ *      |                                             v     or single flow?
+ *      |                                             |
+ *      |                                   +--------++--------------+
+ *      |                                   |        |               * hw class,
+ *      |                                   |        * hw classified | subflows
+ *      |                 no hw class and . *        | or single     | exist
+ *      |                 subflows          |        | flow          |
+ *      |                                   |        v               v
+ *      |                                   |   +-----------+   +-----------+
+ *      |                                   |   |   goto    |   |  goto     |
+ *      |                                   |   | entry [A] |   | entry [B] |
+ *      |                                   |   +-----------+   +-----------+
+ *      |                                   v          ^
+ *      |                            +-------------+   |
+ *      |                            | mac_rx_flow |   * SRS and flow found,
+ *      |                            +-------------+   | call flow cb
+ *      |                                   |          +------+
+ *      |                                   v                 |
+ *      v                             +==========+    +-----------------+
+ *      |                             v For each v--->| mac_rx_classify |
+ * +----------+                       v  mblk_t  v    +-----------------+
+ * |   srs    |                       +==========+
+ * | pollling |
+ * |  thread  |->------------------------------------------+
+ * +----------+                                            |
+ *                                                         v       . inline
+ *            +--------------------+   +----------+   +---------+  .
+ *    [A]---->| mac_rx_srs_process |-->| check bw |-->| enqueue |--*---------+
+ *            +--------------------+   |  limits  |   | frames  |            |
+ *               ^                     +----------+   | to SRS  |            |
+ *               |                                    +---------+            |
+ *               |  send chain              +--------+    |                  |
+ *               *  when clasified          | signal |    * BW limits,       |
+ *               |  flow changes            |  srs   |<---+ loopback,        |
+ *               |                          | worker |      stack too        |
+ *               |                          +--------+      deep             |
+ *      +-----------------+        +--------+                                |
+ *      | mac_flow_lookup |        |  srs   |     +---------------------+    |
+ *      +-----------------+        | worker |---->| mac_rx_srs_drain    |<---+
+ *               ^                 | thread |     | mac_rx_srs_drain_bw |
+ *               |                 +--------+     +---------------------+
+ *               |                                          |
+ *         +----------------------------+                   * software rings
+ *   [B]-->| mac_rx_srs_subflow_process |                   | for fanout?
+ *         +----------------------------+                   |
+ *                                               +----------+-----------+
+ *                                               |                      |
+ *                                               v                      v
+ *                                          +--------+             +--------+
+ *                                          |  goto  |             |  goto  |
+ *                                          | Part 2 |             | Part 3 |
+ *                                          +--------+             +--------+
+ *
+ * Part 2 -- Fanout
+ *
+ * This part is concerned with using software fanout to assign frames to
+ * software rings and then deliver them to MAC clients or allow those rings to
+ * be polled upon. While there are two different primary fanout entry points,
+ * mac_rx_fanout and mac_rx_proto_fanout, they behave in similar ways, and aside
+ * from some of the individual hashing techniques used, most of the general
+ * flow is the same.
+ *
+ *  +--------+              +-------------------+
+ *  |  From  |---+--------->| mac_rx_srs_fanout |----+
+ *  | Part 1 |   |          +-------------------+    |    +=================+
+ *  +--------+   |                                   |    v for each mblk_t v
+ *               * . . protocol only                 +--->v assign to new   v
+ *               |     fanout                        |    v chain based on  v
+ *               |                                   |    v hash % nrings   v
+ *               |    +-------------------------+    |    +=================+
+ *               +--->| mac_rx_srs_proto_fanout |----+             |
+ *                    +-------------------------+                  |
+ *                                                                 v
+ *    +------------+    +--------------------------+       +================+
+ *    | enqueue in |<---| mac_rx_soft_ring_process |<------v for each chain v
+ *    | soft ring  |    +--------------------------+       +================+
+ *    +------------+
+ *         |                                    +-----------+
+ *         * soft ring set                      | soft ring |
+ *         | empty and no                       |  worker   |
+ *         | worker?                            |  thread   |
+ *         |                                    +-----------+
+ *         +------*----------------+                  |
+ *         |      .                |                  v
+ *    No . *      . Yes            |       +------------------------+
+ *         |                       +----<--| mac_rx_soft_ring_drain |
+ *         |                       |       +------------------------+
+ *         v                       |
+ *   +-----------+                 v
+ *   |   signal  |         +---------------+
+ *   | soft ring |         | Deliver chain |
+ *   |   worker  |         | goto Part 3   |
+ *   +-----------+         +---------------+
+ *
+ *
+ * Part 3 -- Packet Delivery
+ *
+ * Here, we go through and deliver the mblk_t chain directly to a given
+ * processing function. In a lot of cases this is mac_rx_deliver(). In the case
+ * of DLS bypass being used, then instead we end up going ahead and deliver it
+ * to the direct callback registered with DLS, generally ip_input.
+ *
+ *
+ *   +---------+            +----------------+    +------------------+
+ *   |  From   |---+------->| mac_rx_deliver |--->| Off to DLS, or   |
+ *   | Parts 1 |   |        +----------------+    | other MAC client |
+ *   |  and 2  |   * DLS bypass                   +------------------+
+ *   +---------+   | enabled   +----------+    +-------------+
+ *                 +---------->| ip_input |--->|    To IP    |
+ *                             +----------+    | and beyond! |
+ *                                             +-------------+
+ *
+ * ----------------------
+ * The Transmit Data Path
+ * ----------------------
+ *
+ * Before we go into the images, it's worth talking about a problem that is a
+ * bit different from the receive data path. GLDv3 device drivers have a finite
+ * amount of transmit descriptors. When they run out, they return unused frames
+ * back to MAC. MAC, at this point has several options about what it will do,
+ * which vary based upon the settings that the client uses.
+ *
+ * When a device runs out of descriptors, the next thing that MAC does is
+ * enqueue them off of the soft ring set or a software ring, depending on the
+ * configuration of the soft ring set. MAC will enqueue up to a high watermark
+ * of mblk_t chains, at which point it will indicate flow control back to the
+ * client. Once this condition is reached, any mblk_t chains that were not
+ * enqueued will be returned to the caller and they will have to decide what to
+ * do with them. There are various flags that control this behavior that a
+ * client may pass, which are discussed below.
+ *
+ * When this condition is hit, MAC also returns a cookie to the client in
+ * addition to unconsumed frames. Clients can poll on that cookie and register a
+ * callback with MAC to be notified when they are no longer subject to flow
+ * control, at which point they may continue to call mac_tx(). This flow control
+ * actually manages to work itself all the way up the stack, back through dls,
+ * to ip, through the various protocols, and to sockfs.
+ *
+ * While the behavior described above is the default, this behavior can be
+ * modified. There are two alternate modes, described below, which are
+ * controlled with flags.
+ *
+ * DROP MODE
+ *
+ * This mode is controlled by having the client pass the MAC_DROP_ON_NO_DESC
+ * flag. When this is passed, if a device driver runs out of transmit
+ * descriptors, then the MAC layer will drop any unsent traffic. The client in
+ * this case will never have any frames returned to it.
+ *
+ * DON'T ENQUEUE
+ *
+ * This mode is controlled by having the client pass the MAC_TX_NO_ENQUEUE flag.
+ * If the MAC_DROP_ON_NO_DESC flag is also passed, it takes precedence. In this
+ * mode, when we hit a case where a driver runs out of transmit descriptors,
+ * then instead of enqueuing packets in a soft ring set or software ring, we
+ * instead return the mblk_t chain back to the caller and immediately put the
+ * soft ring set into flow control mode.
+ *
+ * The following series of ASCII art images describe the transmit data path that
+ * MAC clients enter into based on calling into mac_tx(). A soft ring set has a
+ * transmission function associated with it. There are seven possible
+ * transmission modes, some of which share function entry points. The one that a
+ * soft ring set gets depends on properties such as whether there are
+ * transmission rings for fanout, whether the device involves aggregations,
+ * whether any bandwidth limits exist, etc.
+ *
+ *
+ * Part 1 -- Initial checks
+ *
+ *      * . called by
+ *      |   MAC clients
+ *      v                     . . No
+ *  +--------+  +-----------+ .   +-------------------+  +====================+
+ *  | mac_tx |->| device    |-*-->| mac_protect_check |->v Is this the simple v
+ *  +--------+  | quiesced? |     +-------------------+  v case? See [1]      v
+ *              +-----------+            |               +====================+
+ *                  * . Yes              * failed                 |
+ *                  v                    | frames                 |
+ *             +--------------+          |                +-------+---------+
+ *             | freemsgchain |<---------+          Yes . *            No . *
+ *             +--------------+                           v                 v
+ *                                                  +-----------+     +--------+
+ *                                                  |   goto    |     |  goto  |
+ *                                                  |  Part 2   |     | SRS TX |
+ *                                                  | Entry [A] |     |  func  |
+ *                                                  +-----------+     +--------+
+ *                                                        |                 |
+ *                                                        |                 v
+ *                                                        |           +--------+
+ *                                                        +---------->| return |
+ *                                                                    | cookie |
+ *                                                                    +--------+
+ *
+ * [1] The simple case refers to the SRS being configured with the
+ * SRS_TX_DEFAULT transmission mode, having a single mblk_t (not a chain), their
+ * being only a single active client, and not having a backlog in the srs.
+ *
+ *
+ * Part 2 -- The SRS transmission functions
+ *
+ * This part is a bit more complicated. The different transmission paths often
+ * leverage one another. In this case, we'll draw out the more common ones
+ * before the parts that depend upon them. Here, we're going to start with the
+ * workings of mac_tx_send() a common function that most of the others end up
+ * calling.
+ *
+ *      +-------------+
+ *      | mac_tx_send |
+ *      +-------------+
+ *            |
+ *            v
+ *      +=============+    +==============+
+ *      v  more than  v--->v    check     v
+ *      v one client? v    v VLAN and add v
+ *      +=============+    v  VLAN tags   v
+ *            |            +==============+
+ *            |                  |
+ *            +------------------+
+ *            |
+ *            |                 [A]
+ *            v                  |
+ *       +============+ . No     v
+ *       v more than  v .     +==========+     +--------------------------+
+ *       v one active v-*---->v for each v---->| mac_promisc_dispatch_one |---+
+ *       v  client?   v       v mblk_t   v     +--------------------------+   |
+ *       +============+       +==========+        ^                           |
+ *            |                                   |       +==========+        |
+ *            * . Yes                             |       v hardware v<-------+
+ *            v                      +------------+       v  rings?  v
+ *       +==========+                |                    +==========+
+ *       v for each v       No . . . *                         |
+ *       v mblk_t   v       specific |                         |
+ *       +==========+       flow     |                   +-----+-----+
+ *            |                      |                   |           |
+ *            v                      |                   v           v
+ *    +-----------------+            |               +-------+  +---------+
+ *    | mac_tx_classify |------------+               | GLDv3 |  |  GLDv3  |
+ *    +-----------------+                            |TX func|  | ring tx |
+ *            |                                      +-------+  |  func   |
+ *            * Specific flow, generally                 |      +---------+
+ *            | bcast, mcast, loopback                   |           |
+ *            v                                          +-----+-----+
+ *      +==========+       +---------+                         |
+ *      v valid L2 v--*--->| freemsg |                         v
+ *      v  header  v  . No +---------+               +-------------------+
+ *      +==========+                                 | return unconsumed |
+ *            * . Yes                                |   frames to the   |
+ *            v                                      |      caller       |
+ *      +===========+                                +-------------------+
+ *      v braodcast v      +----------------+                  ^
+ *      v   flow?   v--*-->| mac_bcast_send |------------------+
+ *      +===========+  .   +----------------+                  |
+ *            |        . . Yes                                 |
+ *       No . *                                                v
+ *            |  +---------------------+  +---------------+  +----------+
+ *            +->|mac_promisc_dispatch |->| mac_fix_cksum |->|   flow   |
+ *               +---------------------+  +---------------+  | callback |
+ *                                                           +----------+
+ *
+ *
+ * In addition, many but not all of the routines, all rely on
+ * mac_tx_softring_process as an entry point.
+ *
+ *
+ *                                           . No             . No
+ * +--------------------------+   +========+ .  +===========+ .  +-------------+
+ * | mac_tx_soft_ring_process |-->v worker v-*->v out of tx v-*->|    goto     |
+ * +--------------------------+   v only?  v    v  descr.?  v    | mac_tx_send |
+ *                                +========+    +===========+    +-------------+
+ *                              Yes . *               * . Yes           |
+ *                   . No             v               |                 v
+ *     v=========+   .          +===========+ . Yes   |     Yes .  +==========+
+ *     v apppend v<--*----------v out of tx v-*-------+---------*--v returned v
+ *     v mblk_t  v              v  descr.?  v         |            v frames?  v
+ *     v chain   v              +===========+         |            +==========+
+ *     +=========+                                    |                 *. No
+ *         |                                          |                 v
+ *         v                                          v           +------------+
+ * +===================+           +----------------------+       |   done     |
+ * v worker scheduled? v           | mac_tx_sring_enqueue |       | processing |
+ * v Out of tx descr?  v           +----------------------+       +------------+
+ * +===================+                      |
+ *    |           |           . Yes           v
+ *    * Yes       * No        .         +============+
+ *    |           v         +-*---------v drop on no v
+ *    |      +========+     v           v  TX desc?  v
+ *    |      v  wake  v  +----------+   +============+
+ *    |      v worker v  | mac_pkt_ |         * . No
+ *    |      +========+  | drop     |         |         . Yes         . No
+ *    |           |      +----------+         v         .             .
+ *    |           |         v   ^     +===============+ .  +========+ .
+ *    +--+--------+---------+   |     v Don't enqueue v-*->v ring   v-*----+
+ *       |                      |     v     Set?      v    v empty? v      |
+ *       |      +---------------+     +===============+    +========+      |
+ *       |      |                            |                |            |
+ *       |      |        +-------------------+                |            |
+ *       |      *. Yes   |                          +---------+            |
+ *       |      |        v                          v                      v
+ *       |      |  +===========+               +========+      +--------------+
+ *       |      +<-v At hiwat? v               v append v      |    return    |
+ *       |         +===========+               v mblk_t v      | mblk_t chain |
+ *       |                  * No               v chain  v      |   and flow   |
+ *       |                  v                  +========+      |    control   |
+ *       |               +=========+                |          |    cookie    |
+ *       |               v  append v                v          +--------------+
+ *       |               v  mblk_t v           +========+
+ *       |               v  chain  v           v  wake  v   +------------+
+ *       |               +=========+           v worker v-->|    done    |
+ *       |                    |                +========+   | processing |
+ *       |                    v       .. Yes                +------------+
+ *       |               +=========+  .   +========+
+ *       |               v  first  v--*-->v  wake  v
+ *       |               v append? v      v worker v
+ *       |               +=========+      +========+
+ *       |                   |                |
+ *       |              No . *                |
+ *       |                   v                |
+ *       |       +--------------+             |
+ *       +------>|   Return     |             |
+ *               | flow control |<------------+
+ *               |   cookie     |
+ *               +--------------+
+ *
+ *
+ * The remaining images are all specific to each of the different transmission
+ * modes.
+ *
+ * SRS TX DEFAULT
+ *
+ *      [ From Part 1 ]
+ *             |
+ *             v
+ * +-------------------------+
+ * | mac_tx_single_ring_mode |
+ * +-------------------------+
+ *            |
+ *            |       . Yes
+ *            v       .
+ *       +==========+ .  +============+
+ *       v   SRS    v-*->v   Try to   v---->---------------------+
+ *       v backlog? v    v enqueue in v                          |
+ *       +==========+    v     SRS    v-->------+                * . . Queue too
+ *            |          +============+         * don't enqueue  |     deep or
+ *            * . No         ^     |            | flag or at     |     drop flag
+ *            |              |     v            | hiwat,         |
+ *            v              |     |            | return    +---------+
+ *     +-------------+       |     |            | cookie    | freemsg |
+ *     |    goto     |-*-----+     |            |           +---------+
+ *     | mac_tx_send | . returned  |            |                |
+ *     +-------------+   mblk_t    |            |                |
+ *            |                    |            |                |
+ *            |                    |            |                |
+ *            * . . all mblk_t     * queued,    |                |
+ *            v     consumed       | may return |                |
+ *     +-------------+             | tx cookie  |                |
+ *     | SRS TX func |<------------+------------+----------------+
+ *     |  completed  |
+ *     +-------------+
+ *
+ * SRS_TX_SERIALIZE
+ *
+ *   +------------------------+
+ *   | mac_tx_serializer_mode |
+ *   +------------------------+
+ *               |
+ *               |        . No
+ *               v        .
+ *         +============+ .  +============+    +-------------+   +============+
+ *         v srs being  v-*->v  set SRS   v--->|    goto     |-->v remove SRS v
+ *         v processed? v    v proc flags v    | mac_tx_send |   v proc flag  v
+ *         +============+    +============+    +-------------+   +============+
+ *               |                                                     |
+ *               * Yes                                                 |
+ *               v                                       . No          v
+ *      +--------------------+                           .        +==========+
+ *      | mac_tx_srs_enqueue |  +------------------------*-----<--v returned v
+ *      +--------------------+  |                                 v frames?  v
+ *               |              |   . Yes                         +==========+
+ *               |              |   .                                  |
+ *               |              |   . +=========+                      v
+ *               v              +-<-*-v queued  v     +--------------------+
+ *        +-------------+       |     v frames? v<----| mac_tx_srs_enqueue |
+ *        | SRS TX func |       |     +=========+     +--------------------+
+ *        | completed,  |<------+         * . Yes
+ *        | may return  |       |         v
+ *        |   cookie    |       |     +========+
+ *        +-------------+       +-<---v  wake  v
+ *                                    v worker v
+ *                                    +========+
+ *
+ *
+ * SRS_TX_FANOUT
+ *
+ *                                             . Yes
+ *   +--------------------+    +=============+ .   +--------------------------+
+ *   | mac_tx_fanout_mode |--->v Have fanout v-*-->|           goto           |
+ *   +--------------------+    v   hint?     v     | mac_rx_soft_ring_process |
+ *                             +=============+     +--------------------------+
+ *                                   * . No                    |
+ *                                   v                         ^
+ *                             +===========+                   |
+ *                        +--->v for each  v           +===============+
+ *                        |    v   mblk_t  v           v pick softring v
+ *                 same   *    +===========+           v   from hash   v
+ *                 hash   |          |                 +===============+
+ *                        |          v                         |
+ *                        |   +--------------+                 |
+ *                        +---| mac_pkt_hash |--->*------------+
+ *                            +--------------+    . different
+ *                                                  hash or
+ *                                                  done proc.
+ * SRS_TX_AGGR                                      chain
+ *
+ *   +------------------+    +================================+
+ *   | mac_tx_aggr_mode |--->v Use aggr capab function to     v
+ *   +------------------+    v find appropriate tx ring.      v
+ *                           v Applies hash based on aggr     v
+ *                           v policy, see mac_tx_aggr_mode() v
+ *                           +================================+
+ *                                          |
+ *                                          v
+ *                           +-------------------------------+
+ *                           |            goto               |
+ *                           |  mac_rx_srs_soft_ring_process |
+ *                           +-------------------------------+
+ *
+ *
+ * SRS_TX_BW, SRS_TX_BW_FANOUT, SRS_TX_BW_AGGR
+ *
+ * Note, all three of these tx functions start from the same place --
+ * mac_tx_bw_mode().
+ *
+ *  +----------------+
+ *  | mac_tx_bw_mode |
+ *  +----------------+
+ *         |
+ *         v          . No               . No               . Yes
+ *  +==============+  .  +============+  .  +=============+ .  +=========+
+ *  v  Out of BW?  v--*->v SRS empty? v--*->v  reset BW   v-*->v Bump BW v
+ *  +==============+     +============+     v tick count? v    v Usage   v
+ *         |                   |            +=============+    +=========+
+ *         |         +---------+                   |                |
+ *         |         |        +--------------------+                |
+ *         |         |        |              +----------------------+
+ *         v         |        v              v
+ * +===============+ |  +==========+   +==========+      +------------------+
+ * v Don't enqueue v |  v  set bw  v   v Is aggr? v--*-->|       goto       |
+ * v   flag set?   v |  v enforced v   +==========+  .   | mac_tx_aggr_mode |-+
+ * +===============+ |  +==========+         |       .   +------------------+ |
+ *   |    Yes .*     |        |         No . *       .                        |
+ *   |         |     |        |              |       . Yes                    |
+ *   * . No    |     |        v              |                                |
+ *   |  +---------+  |   +========+          v              +======+          |
+ *   |  | freemsg |  |   v append v   +============+  . Yes v pick v          |
+ *   |  +---------+  |   v mblk_t v   v Is fanout? v--*---->v ring v          |
+ *   |      |        |   v chain  v   +============+        +======+          |
+ *   +------+        |   +========+          |                  |             |
+ *          v        |        |              v                  v             |
+ *    +---------+    |        v       +-------------+ +--------------------+  |
+ *    | return  |    |   +========+   |    goto     | |       goto         |  |
+ *    |  flow   |    |   v wakeup v   | mac_tx_send | | mac_tx_fanout_mode |  |
+ *    | control |    |   v worker v   +-------------+ +--------------------+  |
+ *    | cookie  |    |   +========+          |                  |             |
+ *    +---------+    |        |              |                  +------+------+
+ *                   |        v              |                         |
+ *                   |   +---------+         |                         v
+ *                   |   | return  |   +============+           +------------+
+ *                   |   |  flow   |   v unconsumed v-------+   |   done     |
+ *                   |   | control |   v   frames?  v       |   | processing |
+ *                   |   | cookie  |   +============+       |   +------------+
+ *                   |   +---------+         |              |
+ *                   |                  Yes  *              |
+ *                   |                       |              |
+ *                   |                 +===========+        |
+ *                   |                 v subtract  v        |
+ *                   |                 v unused bw v        |
+ *                   |                 +===========+        |
+ *                   |                       |              |
+ *                   |                       v              |
+ *                   |              +--------------------+  |
+ *                   +------------->| mac_tx_srs_enqueue |  |
+ *                                  +--------------------+  |
+ *                                           |              |
+ *                                           |              |
+ *                                     +------------+       |
+ *                                     |  return fc |       |
+ *                                     | cookie and |<------+
+ *                                     |    mblk_t  |
+ *                                     +------------+
+ */
+
 #include <sys/types.h>
 #include <sys/callb.h>
 #include <sys/sdt.h>
diff --git a/usr/src/uts/common/io/mac/mac_stat.c b/usr/src/uts/common/io/mac/mac_stat.c
index 31972f94d8..c1a5c9c069 100644
--- a/usr/src/uts/common/io/mac/mac_stat.c
+++ b/usr/src/uts/common/io/mac/mac_stat.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2013 Joyent, Inc.  All rights reserved.
  */
 
 /*
@@ -390,8 +391,8 @@ i_mac_stat_create(void *handle, const char *modname, const char *statname,
 	kstat_t		*ksp;
 	kstat_named_t	*knp;
 
-	ksp = kstat_create(modname, 0, statname, "net",
-	    KSTAT_TYPE_NAMED, count, 0);
+	ksp = kstat_create_zone(modname, 0, statname, "net",
+	    KSTAT_TYPE_NAMED, count, 0, getzoneid());
 
 	if (ksp == NULL)
 		return (NULL);
@@ -948,9 +949,9 @@ mac_driver_stat_create(mac_impl_t *mip)
 	major_t		major = getmajor(mip->mi_phy_dev);
 
 	count = MAC_MOD_NKSTAT + MAC_NKSTAT + mip->mi_type->mt_statcount;
-	ksp = kstat_create((const char *)ddi_major_to_name(major),
+	ksp = kstat_create_zone((const char *)ddi_major_to_name(major),
 	    getminor(mip->mi_phy_dev) - 1, MAC_KSTAT_NAME,
-	    MAC_KSTAT_CLASS, KSTAT_TYPE_NAMED, count, 0);
+	    MAC_KSTAT_CLASS, KSTAT_TYPE_NAMED, count, 0, getzoneid());
 	if (ksp == NULL)
 		return;
 
diff --git a/usr/src/uts/common/io/mr_sas/mr_sas.conf b/usr/src/uts/common/io/mr_sas/mr_sas.conf
index cfda434e23..6c585c6a42 100644
--- a/usr/src/uts/common/io/mr_sas/mr_sas.conf
+++ b/usr/src/uts/common/io/mr_sas/mr_sas.conf
@@ -13,3 +13,11 @@
 # Fast-Path specific flag. Default is "yes".
 # mrsas-enable-fp="yes";
 
+flow_control="dmult" queue="qsort" tape="sctp";
+
+# MSI specific flag. To enable MSI modify the flag value to "yes"
+mrsas-enable-msi="yes";
+
+# Fast-Path specific flag. To enable Fast-Path modify the flag value to "yes"
+mrsas-enable-fp="yes";
+
diff --git a/usr/src/uts/common/io/nfp/THIRDPARTYLICENSE b/usr/src/uts/common/io/nfp/THIRDPARTYLICENSE
new file mode 100644
index 0000000000..187088ff34
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/THIRDPARTYLICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2014, Thales UK Limited
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/usr/src/uts/common/io/nfp/THIRDPARTYLICENSE.descrip b/usr/src/uts/common/io/nfp/THIRDPARTYLICENSE.descrip
new file mode 100644
index 0000000000..cde8b65b37
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/THIRDPARTYLICENSE.descrip
@@ -0,0 +1 @@
+NFAST CRYPTO ACCELERATOR DRIVER
diff --git a/usr/src/uts/common/io/nfp/autoversion.h b/usr/src/uts/common/io/nfp/autoversion.h
new file mode 100644
index 0000000000..b9021942b2
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/autoversion.h
@@ -0,0 +1,21 @@
+/*
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+*/
+
+/* AUTOGENERATED - DO NOT EDIT */
+#ifndef AUTOVERSION_H
+#define AUTOVERSION_H
+
+#define VERSION_RELEASEMAJOR 2
+#define VERSION_RELEASEMINOR 26
+#define VERSION_RELEASEPATCH 40
+#define VERSION_NO "2.26.40cam999"
+#define VERSION_COMPNAME "nfdrv"
+
+#endif
diff --git a/usr/src/uts/common/io/nfp/drvlist.c b/usr/src/uts/common/io/nfp/drvlist.c
new file mode 100644
index 0000000000..a04b1fd5b0
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/drvlist.c
@@ -0,0 +1,19 @@
+/*
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+*/
+
+#include "nfp_common.h"
+#include "nfp_cmd.h"
+
+const nfpcmd_dev *nfp_drvlist[] = {
+  &i21285_cmddev,
+  &i21555_cmddev,
+  NULL
+};
+
diff --git a/usr/src/uts/common/io/nfp/hostif.c b/usr/src/uts/common/io/nfp/hostif.c
new file mode 100644
index 0000000000..684be703ea
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/hostif.c
@@ -0,0 +1,1192 @@
+/*
+
+hostif.c: nFast PCI driver for Solaris 2.5, 2.6, 2.7 and 2.8
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+history
+
+06/05/1998 jsh  Original solaris 2.6
+21/05/1999 jsh  added support for solaris 2.5
+10/06/1999 jsh  added support for solaris 2.7 (32 and 64 bit)
+??/??/2001 jsh  added support for solaris 2.8 (32 and 64 bit)
+16/10/2001 jsh  moved from nfast to new structure in nfdrv
+12/02/2002 jsh  added high level interrupt support
+
+*/
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/errno.h>
+#include <sys/file.h>
+#include <sys/conf.h>
+#include <sys/uio.h>
+#include <sys/map.h>
+#include <sys/debug.h>
+#include <sys/modctl.h>
+#include <sys/kmem.h>
+#include <sys/cmn_err.h>
+#include <sys/open.h>
+#include <sys/stat.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/pci.h>
+
+#include "nfp_common.h"
+#include "nfp_hostif.h"
+#include "nfp_osif.h"
+#include "nfp_cmd.h"
+
+#include "nfp.h"
+
+/* mapped memory attributes, no-swap endianess (done in higher level) */
+static struct ddi_device_acc_attr nosw_attr = {
+  DDI_DEVICE_ATTR_V0,
+  DDI_NEVERSWAP_ACC,
+  DDI_STRICTORDER_ACC
+};
+
+/* dma attributes */
+static ddi_dma_attr_t dma_attrs = {
+  DMA_ATTR_V0,            /* version number */
+  (uint64_t)0x0,          /* low address */
+  (uint64_t)0xffffffff,   /* high address */
+  (uint64_t)0xffffff,     /* DMA counter max */
+  (uint64_t)0x1,          /* alignment */
+  0x0c,                   /* burst sizes */
+  0x1,                    /* minimum transfer size */
+  (uint64_t)0x3ffffff,    /* maximum transfer size */
+  (uint64_t)0x7fff,       /* maximum segment size */
+  1,                      /* no scatter/gather lists */
+  1,                      /* granularity */
+  0                       /* DMA flags */
+};
+
+/*
+ * Debug message control
+ * Debug Levels:
+ *  0 = no messages
+ *  1 = Errors
+ *  2 = Subroutine calls & control flow
+ *  3 = I/O Data (verbose!)
+ * Can be set with adb or in the /etc/system file with
+ * "set nfp:nfp_debug=<value>"
+ */
+
+int nfp_debug= 1;
+
+static void *state_head; /* opaque handle top of state structs */
+
+static int nfp_open(dev_t *dev, int openflags, int otyp, cred_t *credp);
+static int nfp_close(dev_t dev, int openflags, int otyp, cred_t *credp);
+static int nfp_release_dev( dev_info_t *dip );
+
+static int nfp_read(dev_t dev, struct uio *uiop, cred_t *credp);
+static int nfp_write(dev_t dev, struct uio *uiop, cred_t *credp);
+static int nfp_strategy(struct buf *bp);
+
+static int nfp_ioctl(dev_t dev, int cmd, ioctlptr_t arg, int mode, cred_t *credp, int *rvalp);
+static int nfp_chpoll(dev_t dev, short events, int anyyet, short *reventsp,
+                    struct pollhead **phpp);
+
+static void nfp_wrtimeout (void *pdev);
+static void nfp_rdtimeout (void *pdev);
+
+static int nfp_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result);
+static int nfp_attach(dev_info_t *dip, ddi_attach_cmd_t cmd);
+static int nfp_detach(dev_info_t *dip, ddi_detach_cmd_t cmd);
+
+static void nfp_read_complete_final(nfp_dev *pdev, int ok);
+static void nfp_write_complete_final(nfp_dev *pdev, int ok);
+
+/* nfp file ops --------------------------------------------------- */
+
+static struct cb_ops nfp_cb_ops = {
+  nfp_open,
+  nfp_close,
+  nodev,                /* no nfp_strategy */
+  nodev,                /* no print routine */
+  nodev,                /* no dump routine */
+  nfp_read,
+  nfp_write,
+  nfp_ioctl,
+  nodev,                /* no devmap routine */
+  nodev,                /* no mmap routine */
+  nodev,                /* no segmap routine */
+  nfp_chpoll,
+  ddi_prop_op,
+  0,            /* not a STREAMS driver, no cb_str routine */
+  D_NEW | D_MP | EXTRA_CB_FLAGS, /* must be safe for multi-thread/multi-processor */
+  CB_REV,
+  nodev,                /* aread */
+  nodev                 /* awrite */
+};
+
+static struct dev_ops nfp_ops = {
+  DEVO_REV,               /* DEVO_REV indicated by manual */
+  0,                      /* device reference count       */
+  nfp_getinfo,
+  nulldev,                /* identify */
+  nulldev,                /* probe */
+  nfp_attach,
+  nfp_detach,
+  nodev,                  /* device reset routine         */
+  &nfp_cb_ops,
+  (struct bus_ops *)0,    /* bus operations               */
+};
+
+extern struct mod_ops mod_driverops;
+static struct modldrv modldrv = {
+  &mod_driverops,
+  NFP_DRVNAME,
+  &nfp_ops,
+};
+
+static struct modlinkage modlinkage = {
+  MODREV_1,               /* MODREV_1 indicated by manual */
+  (void *)&modldrv,
+  NULL,                   /* termination of list of linkage structures */
+};
+
+/* interface resource allocation */
+
+int nfp_alloc_pci_push( nfp_dev *pdev ) {
+  /* allocate resources needed for PCI Push,
+   * if not already allocated.
+   * return True if successful
+   */
+  nfp_err ret;
+  uint_t cookie_count;
+	size_t real_length;
+
+  if(!pdev->read_buf) {
+    /* allocate read buffer */
+    pdev->read_buf = kmem_zalloc( NFP_READBUF_SIZE, KM_NOSLEEP );
+  }
+  if(!pdev->read_buf) {
+    nfp_log( NFP_DBG1, "nfp_attach: kmem_zalloc read buffer failed");
+    pdev->read_buf = NULL;
+    return 0;
+  }
+
+  if(!pdev->rd_dma_ok) {
+    /* allocate dma handle for read buffer */
+    ret = ddi_dma_alloc_handle( pdev->dip,
+                                &dma_attrs,
+                                DDI_DMA_DONTWAIT,
+                                NULL,
+                                &pdev->read_dma_handle );
+    if( ret != DDI_SUCCESS ) {
+      nfp_log( NFP_DBG1,
+               "nfp_alloc_pci_push: ddi_dma_alloc_handle failed (%d)",
+               ret );
+      return 0;
+    }
+
+    /* Allocate the memory for dma transfers */
+    ret = ddi_dma_mem_alloc(pdev->read_dma_handle, NFP_READBUF_SIZE, &nosw_attr,
+			    DDI_DMA_CONSISTENT, DDI_DMA_DONTWAIT, NULL,
+			    (caddr_t*)&pdev->read_buf, &real_length, &pdev->acchandle);
+    if (ret != DDI_SUCCESS) {
+      nfp_log( NFP_DBG1, "nfp_alloc_pci_push: ddi_dma_mem_alloc failed (%d)", ret);
+      ddi_dma_free_handle( &pdev->read_dma_handle );
+      return 0;
+    }
+
+    ret = ddi_dma_addr_bind_handle( pdev->read_dma_handle,
+                                    NULL, /* kernel address space */
+                                    (caddr_t)pdev->read_buf, real_length,
+                                    DDI_DMA_READ | DDI_DMA_CONSISTENT, /* dma flags */
+                                    DDI_DMA_DONTWAIT, NULL,
+                                    &pdev->read_dma_cookie, &cookie_count );
+    if( ret != DDI_DMA_MAPPED ) {
+      nfp_log( NFP_DBG1,
+               "nfp_alloc_pci_push: ddi_dma_addr_bind_handle failed (%d)",
+               ret);
+      ddi_dma_mem_free(&pdev->acchandle);
+      ddi_dma_free_handle( &pdev->read_dma_handle );
+      return 0;
+    }
+    if( cookie_count > 1 ) {
+      nfp_log( NFP_DBG1,
+               "nfp_alloc_pci_push: error:"
+               " ddi_dma_addr_bind_handle wants %d transfers",
+               cookie_count);
+      ddi_dma_mem_free(&pdev->acchandle);
+      (void) ddi_dma_unbind_handle( pdev->read_dma_handle );
+      ddi_dma_free_handle( &pdev->read_dma_handle );
+      return 0;
+    }
+    pdev->rd_dma_ok = 1;
+  }
+  return pdev->rd_dma_ok;
+}
+
+void nfp_free_pci_push( nfp_dev *pdev ) {
+  /* free resources allocated to PCI Push */
+  if( pdev->rd_dma_ok ) {
+    (void) ddi_dma_sync(pdev->read_dma_handle,0,0,DDI_DMA_SYNC_FORKERNEL);
+    ddi_dma_mem_free(&pdev->acchandle);
+    (void) ddi_dma_unbind_handle( pdev->read_dma_handle );
+    ddi_dma_free_handle( &pdev->read_dma_handle );
+    pdev->rd_dma_ok = 0;
+  }
+  if( pdev->read_buf ) {
+    kmem_free( pdev->read_buf, NFP_READBUF_SIZE );
+    pdev->read_buf = NULL;
+  }
+}
+
+/* include definition of nfp_set_ifvers() */
+#define nfp_ifvers NFDEV_IF_PCI_PUSH
+#include "nfp_ifvers.c"
+#undef nfp_ifvers
+
+/*--------------------*/
+/*  nfp_isr           */
+/*--------------------*/
+
+static u_int nfp_isr( char *pdev_in ) {
+  /* LINTED: alignment */
+  nfp_dev *pdev= (nfp_dev *)pdev_in;
+  nfp_err ne;
+  int handled;
+
+  nfp_log( NFP_DBG3, "nfp_isr: entered");
+
+  if( !pdev ) {
+    nfp_log( NFP_DBG1, "nfp_isr: cannot find dev");
+    return DDI_INTR_UNCLAIMED;
+  }
+
+  /* The isr needs to be mutex'ed - an SMP can call us while we're still
+   * running!
+   */
+  mutex_enter(&pdev->low_mutex);
+  ne= pdev->cmddev->isr( pdev->common.cmdctx, &handled );
+  mutex_exit(&pdev->low_mutex);
+
+  if( !ne && handled )
+    return DDI_INTR_CLAIMED;
+  if (ne)
+    nfp_log( NFP_DBG1, "nfp_isr: failed");
+  else
+    nfp_log( NFP_DBG3, "nfp_isr: unclaimed");
+  return DDI_INTR_UNCLAIMED;
+}
+
+static u_int nfp_soft_isr( char *pdev_in ) {
+  /* LINTED: alignment */
+  nfp_dev *pdev= (nfp_dev *)pdev_in;
+  int rd, wr;
+
+  nfp_log( NFP_DBG3, "nfp_soft_isr: entered");
+
+  if( !pdev ) {
+    nfp_log( NFP_DBG1, "nfp_soft_isr: cannot find dev");
+    return DDI_INTR_UNCLAIMED;
+  }
+  rd= wr= 0;
+  
+  mutex_enter(&pdev->high_mutex);
+  if(pdev->high_read) {
+    pdev->high_read= 0;
+    mutex_exit(&pdev->high_mutex);
+    rd= 1;
+  }
+  if(pdev->high_write) {
+    pdev->high_write= 0;
+    wr= 1;
+  }
+  mutex_exit(&pdev->high_mutex);
+
+  if(rd) {
+    nfp_log( NFP_DBG3, "nfp_soft_isr: read done");
+    nfp_read_complete_final(pdev, pdev->rd_ok);
+  }
+  if(wr) {
+    nfp_log( NFP_DBG3, "nfp_soft_isr: write done");
+    nfp_write_complete_final(pdev, pdev->wr_ok);
+  }
+  if( rd || wr )
+    return DDI_INTR_CLAIMED;
+
+  nfp_log( NFP_DBG2, "nfp_isr: unclaimed");
+  return DDI_INTR_UNCLAIMED;
+}
+
+
+/*-------------------------*/
+/*  nfp_read               */
+/*-------------------------*/
+
+void nfp_read_complete(nfp_dev *pdev, int ok) {
+  nfp_log( NFP_DBG2,"nfp_read_complete: entering");
+
+  if(pdev->high_intr) {
+    nfp_log(NFP_DBG2, "nfp_read_complete: high_intr");
+    mutex_enter(&pdev->high_mutex);
+    nfp_log(NFP_DBG3, "nfp_read_complete: high_mutex entered");
+    if(pdev->high_read)
+      nfp_log(NFP_DBG1, "nfp_read_complete: high_read allread set!");
+    pdev->high_read= 1;
+    pdev->rd_ok= ok;
+    nfp_log(NFP_DBG3, "nfp_read_complete: exiting high_mutex");
+    mutex_exit(&pdev->high_mutex);
+    ddi_trigger_softintr(pdev->soft_int_id);
+  } else
+    nfp_read_complete_final( pdev, ok );
+  nfp_log( NFP_DBG2,"nfp_read_complete: exiting");
+}
+
+static void nfp_read_complete_final(nfp_dev *pdev, int ok) {
+  nfp_log( NFP_DBG2,"nfp_read_complete_final: entering");
+  if(pdev->rdtimeout)
+    (void) untimeout(pdev->rdtimeout);
+  if(!pdev->rd_outstanding) {
+    nfp_log( NFP_DBG1,"nfp_read_complete_final: !pdev->rd_outstanding");
+  }
+  nfp_log( NFP_DBG2,"nfp_read_complete_final: pdev->rd_outstanding=0, ok %d", ok);
+  mutex_enter(&pdev->isr_mutex);
+  pdev->rd_outstanding= 0;
+  pdev->rd_ready= 1;
+  pdev->rd_ok= ok;
+  cv_broadcast(&pdev->rd_cv);
+  mutex_exit(&pdev->isr_mutex);
+  pollwakeup (&pdev->pollhead, POLLRDNORM);
+  nfp_log( NFP_DBG2,"nfp_read_complete_final: exiting");
+}
+
+static void nfp_rdtimeout( void *pdev_in )
+{
+  nfp_dev *pdev= (nfp_dev *)pdev_in;
+
+  nfp_log( NFP_DBG1, "nfp_rdtimeout: read timed out");
+
+  if (!pdev) {
+    nfp_log( NFP_DBG1, "nfp_rdtimeout: NULL pdev." );
+    return;
+  }
+  pdev->rdtimeout= 0;
+  nfp_read_complete_final(pdev, 0);
+}
+
+/* ARGSUSED */
+static int nfp_read(dev_t dev, struct uio *uiop, cred_t *credp) {
+  int ret;
+  nfp_log( NFP_DBG2, "nfp_read: entered" );
+  if (ddi_get_soft_state(state_head, getminor(dev)) != NULL) {
+    nfp_log( NFP_DBG1, "nfp_read: unable to get nfp_dev");
+    return (ENODEV);
+  }
+  nfp_log( NFP_DBG2, "nfp_read: about to physio." );
+  ret = physio(nfp_strategy, (struct buf *)0, dev, B_READ, minphys, uiop );
+  if(ret)
+    nfp_log( NFP_DBG1, "nfp_read: physio returned %x.", ret );
+  return ret;
+}
+
+/*-------------------------*/
+/*  nfp_write              */
+/*-------------------------*/
+
+void nfp_write_complete( nfp_dev *pdev, int ok) {
+  nfp_log( NFP_DBG2,"nfp_write_complete: entering");
+
+  if(pdev->high_intr) {
+    mutex_enter(&pdev->high_mutex);
+    if(pdev->high_write)
+      nfp_log(NFP_DBG1, "nfp_write_complete: high_write allread set!");
+    pdev->high_write= 1;
+    pdev->wr_ok= ok;
+    mutex_exit(&pdev->high_mutex);
+    ddi_trigger_softintr(pdev->soft_int_id);
+  } else
+    nfp_write_complete_final( pdev, ok );
+  nfp_log( NFP_DBG2,"nfp_write_complete: exiting");
+}
+
+static void nfp_write_complete_final( nfp_dev *pdev, int ok) {
+  struct buf *local_wr_bp;
+  nfp_log( NFP_DBG2,"nfp_write_complete_final: entering");
+  if(pdev->wrtimeout)
+    (void) untimeout(pdev->wrtimeout);
+
+  if (!pdev->wr_bp) {
+    nfp_log( NFP_DBG2, "nfp_write_complete_final: write: wr_bp == NULL." );
+    return;
+  }
+
+  bp_mapout(pdev->wr_bp);
+  pdev->wr_bp->b_resid = ok ? 0 : pdev->wr_bp->b_bcount;
+  /* Make sure we set wr_ready before calling biodone to avoid a race */
+  pdev->wr_ready = 1;
+  bioerror(pdev->wr_bp, ok ? 0 : ENXIO);
+  local_wr_bp = pdev->wr_bp;
+  pdev->wr_bp = 0;
+  biodone(local_wr_bp);
+  nfp_log( NFP_DBG2, "nfp_write_complete_final: isr_mutex extited");
+  pollwakeup (&pdev->pollhead, POLLWRNORM);
+
+  nfp_log( NFP_DBG2, "nfp_write_complete_final: leaving");
+}
+
+static void nfp_wrtimeout( void *pdev_in )
+{
+  nfp_dev *pdev= (nfp_dev *)pdev_in;
+
+  nfp_log( NFP_DBG1, "nfp_wrtimeout: write timed out");
+
+  if (!pdev) {
+    nfp_log( NFP_DBG1, "nfp_wrtimeout: NULL pdev." );
+    return;
+  }
+  pdev->wrtimeout= 0;
+  nfp_write_complete_final(pdev, 0);
+}
+
+/* ARGSUSED */
+static int nfp_write(dev_t dev, struct uio *uiop, cred_t *credp) {
+  int ret;
+  nfp_log( NFP_DBG2, "nfp_write: entered." );
+  if (ddi_get_soft_state(state_head, getminor(dev)) == NULL) {
+    nfp_log( NFP_DBG1, "nfp_chread: unable to get nfp_dev.");
+    return (ENODEV);
+  }
+  nfp_log( NFP_DBG2, "nfp_write: about to physio." );
+  ret = physio(nfp_strategy, (struct buf *)0, dev, B_WRITE, minphys, uiop );
+  if(ret)
+    nfp_log( NFP_DBG1, "nfp_write: physio returned %x.", ret );
+  return ret;
+}
+
+/*-------------------------*/
+/*  nfp_strategy           */
+/*-------------------------*/
+
+#define NFP_STRAT_ERR(thebp,err,txt) \
+      nfp_log( NFP_DBG1, "nfp_strategy: " txt ".\n"); \
+      (thebp)->b_resid = (thebp)->b_bcount; \
+      bioerror ((thebp), err); \
+      biodone ((thebp));
+
+static int nfp_strategy(struct buf *bp) {
+  register struct nfp_dev *pdev;
+  nfp_err ne;
+  
+  nfp_log( NFP_DBG2, "nfp_strategy: entered." );
+  if (!(pdev = ddi_get_soft_state(state_head, getminor(bp->b_edev)))) {
+    NFP_STRAT_ERR (bp, ENXIO, "unable to get nfp_dev");
+    return (0);
+  }
+
+  if (bp->b_flags & B_READ) {
+    int count;
+    /* read */
+    if (!pdev->rd_ready) {
+      NFP_STRAT_ERR (bp,ENXIO,"read called when not ready");
+      return (0);
+    }
+    pdev->rd_ready=0;
+    pdev->rd_pending = 0;
+    if( !pdev->rd_ok) {
+      NFP_STRAT_ERR (bp,ENXIO,"read failed");
+      return (0);
+    }
+    /* copy data from module */
+    if(pdev->ifvers >= NFDEV_IF_PCI_PUSH) {
+      nfp_log( NFP_DBG3, "nfp_strategy: copying kernel read buffer");
+      if( ddi_dma_sync(pdev->read_dma_handle,0,0,DDI_DMA_SYNC_FORKERNEL) != DDI_SUCCESS )
+      {
+        NFP_STRAT_ERR(bp,ENXIO,"ddi_dma_sync(read_dma_handle) failed");
+        return (0);
+      }
+      /* LINTED: alignment */
+      count= *(unsigned int *)(pdev->read_buf+4);
+      count= FROM_LE32_MEM(&count);
+      nfp_log( NFP_DBG3, "nfp_strategy: read count %d", count);
+      if(count<0 || count>bp->b_bcount) {
+        NFP_STRAT_ERR(bp,ENXIO,"bad read byte count from device");
+        nfp_log( NFP_DBG1, "nfp_strategy: bad read byte count (%d) from device", count);
+        return (0);
+      }
+      bp_mapin (bp);
+      bcopy( pdev->read_buf + 8, bp->b_un.b_addr, count );
+      bp_mapout (bp);
+    } else {
+      bp_mapin (bp);
+      ne=  pdev->cmddev->read_block( bp->b_un.b_addr, bp->b_bcount, pdev->common.cmdctx, &count );
+      bp_mapout (bp);
+      if( ne != NFP_SUCCESS) {
+        NFP_STRAT_ERR (bp,nfp_oserr(ne),"read_block failed");
+        return (0);
+      }
+    }
+    bioerror(bp, 0);
+    bp->b_resid = 0;
+    biodone (bp);
+  } else {
+    /* write */
+    if (!pdev->wr_ready) {
+      NFP_STRAT_ERR (bp,ENXIO,"write called when not ready");
+      return (0);
+    }
+    if (pdev->wr_bp) {
+      NFP_STRAT_ERR (bp,ENXIO,"wr_bp != NULL");
+      return (0);
+    }
+    pdev->wrtimeout= timeout(nfp_wrtimeout, (caddr_t)pdev, NFP_TIMEOUT_SEC * drv_usectohz(1000000));
+    pdev->wr_bp = bp;
+    pdev->wr_ready = 0;
+    bp_mapin (bp);
+    ne= pdev->cmddev->write_block( bp->b_un.b_addr, bp->b_bcount,  pdev->common.cmdctx);
+    if( ne != NFP_SUCCESS ) {
+      bp_mapout (bp);
+      (void) untimeout(pdev->wrtimeout);
+      pdev->wr_bp = 0;
+      pdev->wr_ready = 1;
+      NFP_STRAT_ERR (bp,nfp_oserr(ne),"write failed");
+      return (0);
+    }
+  }
+  nfp_log( NFP_DBG2, "nfp_strategy: leaving");
+
+  return (0);
+}
+
+
+/*--------------------*/
+/*  poll / select     */
+/*--------------------*/
+
+static int nfp_chpoll(dev_t dev, short events, int anyyet, short *reventsp,
+                      struct pollhead **phpp) {
+  nfp_dev *pdev;
+  short revents;
+
+  if (!(pdev = ddi_get_soft_state(state_head, getminor(dev)))) {
+    nfp_log( NFP_DBG1, "nfp_chpoll: unable to get nfp_dev");
+    *reventsp=0;
+    return (0);
+  }
+  nfp_log( NFP_DBG2, "nfp_chpoll: entered %x", events);
+
+  revents=0;
+  if (events&POLLWRNORM) {
+    if (pdev->wr_ready) {
+      nfp_log( NFP_DBG2, "nfp_chpoll: write ready");
+      revents|=POLLWRNORM;
+    }
+  }
+
+  if (events&POLLRDNORM) {
+    if (pdev->rd_ready) {
+      nfp_log( NFP_DBG2, "nfp_chpoll: read ready");
+      revents|=POLLRDNORM;
+    }
+  }
+
+  if (!revents && !anyyet) {
+    *phpp=&pdev->pollhead;
+  }
+  *reventsp=revents;
+
+  nfp_log( NFP_DBG2, "nfp_chpoll: leaving");
+  return (0);
+}
+
+
+/*--------------------*/
+/*  ioctl             */
+/*--------------------*/
+
+/* ARGSUSED */
+static int nfp_ioctl(dev_t dev, int cmd, ioctlptr_t arg, int mode, cred_t *credp, int *rvalp) {
+  register struct nfp_dev *pdev;
+
+  nfp_log( NFP_DBG2, "nfp_ioctl: entered." );
+
+  if (!(pdev = ddi_get_soft_state(state_head, getminor(dev)))) {
+    nfp_log( NFP_DBG1, "nfp_ioctl: unable to get nfp dev.");
+    return (ENXIO);
+  }
+
+  switch (cmd) {
+  case NFDEV_IOCTL_ENQUIRY:
+    {
+      long *outp;
+      int outlen;
+      nfdev_enquiry_str enq_data;
+
+      enq_data.busno = (unsigned int)-1;
+      enq_data.slotno = (unsigned char)-1;
+
+      /* get our bus and slot num */
+      if (ddi_getlongprop (DDI_DEV_T_NONE,
+                           pdev->dip, 0, "reg",
+                           (caddr_t)&outp, &outlen) != DDI_PROP_NOT_FOUND) {
+        nfp_log( NFP_DBG2, "ddi_getlongprop('reg') ok." );
+        if( outlen > 0 ) {
+          enq_data.busno = ((*outp)>>16) & 0xff;
+          enq_data.slotno = ((*outp)>>11) & 0x1f;
+          nfp_log( NFP_DBG2, "busno %d, slotno %d.",
+                   enq_data.busno, enq_data.slotno );
+        }
+      } else
+        nfp_log( NFP_DBG1, "ddi_getlongprop('reg') failed." );
+
+      if( ddi_copyout( (char *)&enq_data, (void *)arg, sizeof(enq_data), mode ) != 0 ) {
+        nfp_log( NFP_DBG1, "ddi_copyout() failed." );
+        return EFAULT;
+      }
+    }
+    break;
+
+  case NFDEV_IOCTL_ENSUREREADING:
+    {
+      unsigned int addr, len;
+      nfp_err  ret;
+      if( ddi_copyin( (void *)arg, (char *)&len, sizeof(unsigned int), mode ) != 0 ) {
+        nfp_log( NFP_DBG1, "ddi_copyin() failed." );
+        return (EFAULT);
+      }
+      /* signal a read to the module */
+      nfp_log( NFP_DBG2, "nfp_ioctl: signalling read request to module, len = %x.", len );
+      if (len>8192) {
+        nfp_log( NFP_DBG1, "nfp_ioctl: len >8192 = %x.", len );
+        return EINVAL;
+      }
+      if (pdev->rd_outstanding==1) {
+        nfp_log( NFP_DBG1, "nfp_ioctl: not about to call read with read outstanding.");
+        return EIO;
+      }
+
+      addr= 0;
+      if(pdev->ifvers >= NFDEV_IF_PCI_PUSH) {
+        if( len > NFP_READBUF_SIZE ) {
+          nfp_log( NFP_DBG1, "nfp_ioctl: len > NFP_READBUF_SIZE = %x.", len );
+          return EINVAL;
+        }
+        addr= pdev->read_dma_cookie.dmac_address;
+      }
+
+      pdev->rd_outstanding = 1;
+      nfp_log( NFP_DBG2,"nfp_ioctl: pdev->rd_outstanding=1");
+
+      /* setup timeout timer */
+      pdev->rdtimeout= timeout(nfp_rdtimeout, (caddr_t)pdev, NFP_TIMEOUT_SEC * drv_usectohz(1000000));
+
+      nfp_log( NFP_DBG2, "nfp_ioctl: read request");
+      ret = pdev->cmddev->ensure_reading(addr, len, pdev->common.cmdctx);
+      if ( ret != NFP_SUCCESS ) {
+        (void) untimeout(pdev->rdtimeout);
+        pdev->rdtimeout = 0;
+        pdev->rd_outstanding = 0;
+        nfp_log( NFP_DBG1, "nfp_ioctl : cmddev->ensure_reading failed ");
+        return nfp_oserr( ret );
+      }
+    }
+    break;
+
+  case NFDEV_IOCTL_PCI_IFVERS:
+    {
+      int vers;
+
+      nfp_log( NFP_DBG2, "nfp_ioctl: NFDEV_IOCTL_PCI_IFVERS");
+
+      if( ddi_copyin( (void *)arg, (char *)&vers, sizeof(vers), mode ) != 0 ) {
+        nfp_log( NFP_DBG1, "ddi_copyin() failed." );
+        return (EFAULT);
+      }
+
+      if( pdev->rd_outstanding ) {
+        nfp_log( NFP_DBG1, "nfp_ioctl: can't set ifvers %d as read outstanding", vers);
+        return EIO;
+      }
+
+      nfp_set_ifvers(pdev, vers);
+      if( pdev->ifvers != vers ) {
+        nfp_log( NFP_DBG1, "nfp_ioctl: can't set ifvers %d", vers);
+        return EIO;
+      }
+    }
+    break;
+
+  case NFDEV_IOCTL_STATS:
+    {
+      if( ddi_copyout( (char *)&(pdev->common.stats),
+                       (void *)arg,
+                       sizeof(nfdev_stats_str),
+                       mode ) != 0 ) {
+        nfp_log( NFP_DBG1, "ddi_copyout() failed." );
+        return EFAULT;
+      }
+    }
+    break;
+
+  default:
+    nfp_log( NFP_DBG1, "nfp_ioctl: unknown ioctl." );
+    return EINVAL;
+  }
+
+  return 0;
+}
+
+/*-------------------------*/
+/*  nfp_open               */
+/*-------------------------*/
+
+/* ARGSUSED */
+int nfp_open(dev_t *dev, int openflags, int otyp, cred_t *credp)
+{       
+  nfp_err ret;
+  register struct nfp_dev *pdev;
+ 
+  nfp_log( NFP_DBG2, "entered nfp_open." );
+      
+  pdev = (nfp_dev *)ddi_get_soft_state(state_head, getminor(*dev));
+  
+  if( !pdev ) {
+    nfp_log( NFP_DBG1, "nfp_open: unable to get nfp dev.");
+    return (ENODEV);
+  }     
+        
+  if( otyp != OTYP_CHR ) {
+    nfp_log( NFP_DBG1, "nfp_open: not opened as character device");
+    return (EINVAL);
+  } 
+    
+  mutex_enter(&pdev->busy_mutex);
+    
+  if (pdev->busy) {
+    mutex_exit(&pdev->busy_mutex);
+    nfp_log( NFP_DBG1, "nfp_open: device busy");
+    return EBUSY;
+  } 
+  pdev->busy= 1;
+  mutex_exit(&pdev->busy_mutex);
+
+  /* use oldest possible interface until told otherwise */
+  pdev->ifvers= NFDEV_IF_STANDARD;
+  nfp_log( NFP_DBG3, "nfp_open: setting ifvers %d", pdev->ifvers);
+  pdev->rd_ready= 0; /* drop any old data */
+ 
+  ret = pdev->cmddev->open(pdev->common.cmdctx);
+  if( ret != NFP_SUCCESS ) {
+    nfp_log( NFP_DBG1, "nfp_open : cmddev->open failed ");
+    return nfp_oserr( ret );
+  } 
+
+  nfp_log( NFP_DBG2, "nfp_open: done");
+
+  return 0;
+}
+
+/*--------------------*/
+/*  nfp_close         */
+/*--------------------*/
+
+/* ARGSUSED */
+static int nfp_close(dev_t dev, int openflags, int otyp, cred_t *credp) {
+  nfp_dev *pdev;
+  nfp_err ret;
+
+  nfp_log( NFP_DBG2, "nfp_close: entered");
+
+  pdev = (struct nfp_dev *)ddi_get_soft_state(state_head, getminor(dev));
+  if( !pdev ) {
+    nfp_log( NFP_DBG1, "nfp_close: cannot find dev.");
+    return ENODEV;
+  }
+
+  mutex_enter(&pdev->isr_mutex);
+  if(pdev->rd_outstanding) {
+    int lbolt, err;
+    nfp_get_lbolt(&lbolt, err);
+    if(!err)
+      (void) cv_timedwait(&pdev->rd_cv, &pdev->isr_mutex, lbolt + (NFP_TIMEOUT_SEC * drv_usectohz(1000000)) );
+  }
+  mutex_exit(&pdev->isr_mutex);
+  ret = pdev->cmddev->close(pdev->common.cmdctx);
+  if (ret != NFP_SUCCESS ) {
+    nfp_log( NFP_DBG1, " nfp_close : cmddev->close failed");
+    return nfp_oserr( ret );
+  }
+
+  mutex_enter(&pdev->busy_mutex);
+  pdev->busy= 0;
+  mutex_exit(&pdev->busy_mutex);
+
+  return 0;
+}
+
+/****************************************************************************
+
+  nfp driver config
+
+ ****************************************************************************/
+
+/*-------------------------*/
+/*  nfp_getinfo            */
+/*-------------------------*/
+
+/* ARGSUSED */
+static int nfp_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) {
+  int error;
+  nfp_dev *pdev;
+
+  nfp_log( NFP_DBG2, "nfp_getinfo: entered" );
+
+  pdev = (struct nfp_dev *)ddi_get_soft_state(state_head, getminor((dev_t)arg));
+  if( !pdev ) {
+    nfp_log( NFP_DBG1, "nfp_close: cannot find dev.");
+    return ENODEV;
+  }
+
+  switch (infocmd) {
+  case DDI_INFO_DEVT2DEVINFO:
+    if (pdev == NULL) {
+      *result = NULL;
+      error = DDI_FAILURE;
+    } else {
+      /*
+       * don't need to use a MUTEX even though we are
+       * accessing our instance structure; dev->dip
+       * never changes.
+       */
+      *result = pdev->dip;
+      error = DDI_SUCCESS;
+    }
+    break;
+  case DDI_INFO_DEVT2INSTANCE:
+    *result = (void *)(uintptr_t)getminor((dev_t)arg);
+    error = DDI_SUCCESS;
+    break;
+  default:
+    *result = NULL;
+    error = DDI_FAILURE;
+  }
+
+  nfp_log( NFP_DBG2, "nfp_getinfo: leaving." );
+  return (error);
+}
+
+/*-------------------------*/
+/*  nfp_release            */
+/*-------------------------*/
+
+static int nfp_release_dev( dev_info_t *dip ) {
+  nfp_dev *pdev;
+  int instance, i;
+  nfp_err ret;
+
+  nfp_log( NFP_DBG2, "nfp_release_dev: entering" );
+
+  instance = ddi_get_instance(dip);
+  pdev = (struct nfp_dev *)ddi_get_soft_state(state_head, instance);
+  if (pdev) {
+    nfp_log( NFP_DBG3, "nfp_release_dev: removing device" );
+
+    nfp_free_pci_push(pdev);
+
+    if( pdev->cmddev ) {
+      nfp_log( NFP_DBG3, "nfp_release_dev: destroying cmd dev" );
+       ret = pdev->cmddev->destroy(pdev->common.cmdctx);
+       if (ret != NFP_SUCCESS) {
+         nfp_log( NFP_DBG1, " nfp_release_dev : cmddev->destroy failed ");
+         return nfp_oserr( ret );
+       }
+    }
+
+    if(pdev->high_iblock_cookie) {
+      nfp_log( NFP_DBG3, "nfp_release_dev: removing high and soft irq" );
+      ddi_remove_softintr(pdev->soft_int_id);
+      ddi_remove_intr(pdev->dip, 0, pdev->high_iblock_cookie);
+      mutex_destroy( &pdev->busy_mutex );
+      cv_destroy( &pdev->rd_cv );
+      mutex_destroy( &pdev->isr_mutex );
+      mutex_destroy( &pdev->high_mutex );
+    } else if(pdev->iblock_cookie) {
+      nfp_log( NFP_DBG3, "nfp_release_dev: removing irq" );
+      ddi_remove_intr(pdev->dip, 0, pdev->iblock_cookie);
+      mutex_destroy( &pdev->busy_mutex );
+      cv_destroy( &pdev->rd_cv );
+      mutex_destroy( &pdev->isr_mutex );
+    }
+    if(pdev->low_iblock_cookie) {
+      ddi_remove_intr(pdev->dip, 0, pdev->low_iblock_cookie);
+      mutex_destroy( &pdev->low_mutex);
+    }
+
+    for(i=0;i<6;i++) {
+      if( pdev->common.extra[i] ) {
+        nfp_log( NFP_DBG3, "nfp_release_dev: unmapping BAR %d", i );
+        ddi_regs_map_free ((ddi_acc_handle_t *)&pdev->common.extra[i]);
+      }
+    }
+
+    ddi_remove_minor_node(dip, NULL);
+
+    if (pdev->conf_handle)
+      pci_config_teardown( &pdev->conf_handle );
+
+    ddi_soft_state_free(state_head, instance);
+  }
+  nfp_log( NFP_DBG2, "nfp_release: finished" );
+
+  return DDI_SUCCESS;
+}
+
+
+/*-------------------------*/
+/*  nfp_attach             */
+/*-------------------------*/
+
+static int nfp_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) {
+  int instance;
+  nfp_dev *pdev = NULL;
+  int intres;
+  uint16_t device, vendor, sub_device, sub_vendor;
+  long *outp;
+  nfpcmd_dev const *cmddev;
+  int index, i;
+  nfp_err ret;
+
+  nfp_log( NFP_DBG2, "nfp_attach: entered." );
+
+  if (cmd != DDI_ATTACH) {
+    nfp_log( NFP_DBG1, "nfp_attach: bad command." );
+    goto bailout;
+  }
+
+  instance = ddi_get_instance(dip);
+
+  if (ddi_soft_state_zalloc(state_head, instance) != 0) {
+    nfp_log( NFP_DBG1, "nfp_attach: ddi_soft_state_zalloc() failed." );
+    goto bailout;
+  }
+
+  pdev = (struct nfp_dev *)ddi_get_soft_state(state_head, instance);
+  if( !pdev ) {
+    nfp_log( NFP_DBG1, "nfp_attach: cannot find dev.");
+    return ENODEV;
+  }
+  pdev->dip = dip;
+
+  /* map in pci config registers */
+  if (pci_config_setup(dip, &pdev->conf_handle)) {
+    nfp_log( NFP_DBG1, "nfp_attach: pci_config_setup() failed." );
+    goto bailout;
+  }
+
+  /* find out what we have got */
+  vendor= PCI_CONFIG_GET16( pdev->conf_handle, PCI_CONF_VENID );
+  device = PCI_CONFIG_GET16( pdev->conf_handle, PCI_CONF_DEVID );
+  sub_vendor = PCI_CONFIG_GET16( pdev->conf_handle, PCI_CONF_SUBVENID );
+  sub_device = PCI_CONFIG_GET16( pdev->conf_handle, PCI_CONF_SUBSYSID );
+
+  index= 0;
+  while( (cmddev = nfp_drvlist[index++]) != NULL ) {
+    if( cmddev->vendorid == vendor &&
+        cmddev->deviceid == device &&
+        cmddev->sub_vendorid == sub_vendor &&
+        cmddev->sub_deviceid == sub_device )
+      break;
+  }
+  if( !cmddev ) {
+    nfp_log( NFP_DBG1, "nfp_attach: unknonw device." );
+    goto bailout;
+  }
+
+  /* map BARs */
+  for( i=0; i<6; i++ ) {
+    if( cmddev->bar_sizes[i] ) {
+      off_t size;
+      if( ddi_dev_regsize(dip, i+1, &size) != DDI_SUCCESS) {
+        nfp_log( NFP_DBG1, "nfp_attach: ddi_dev_regsize() failed for BAR %d", i );
+        goto bailout;
+      }
+      if( size < (cmddev->bar_sizes[i] & ~NFP_MEMBAR_MASK) ) { 
+        nfp_log( NFP_DBG1, "nfp_attach: BAR %d too small %x (%x)", i, size, (cmddev->bar_sizes[i] & ~0xF) );
+        goto bailout;
+      }
+      if (ddi_regs_map_setup(dip, i+1, (caddr_t *)&pdev->common.bar[i],
+                         0, cmddev->bar_sizes[i] & ~NFP_MEMBAR_MASK, &nosw_attr, (ddi_acc_handle_t *)&pdev->common.extra[i] )) { 
+        nfp_log( NFP_DBG1, "nfp_attach: ddi_regs_map_setup() failed for BAR %d", i );
+        goto bailout;
+      }
+      nfp_log( NFP_DBG3, "nfp_attach: BAR[%d] mapped to %x (%x)", i, pdev->common.bar[i], size );
+    }
+  }
+  
+  pdev->read_buf = NULL;
+  pdev->rd_dma_ok = 0;
+
+  /* attach to minor node */
+  if (ddi_create_minor_node(dip, "nfp", S_IFCHR, instance, (char *)cmddev->name, 0) == DDI_FAILURE) {
+    ddi_remove_minor_node(dip, NULL);
+    nfp_log( NFP_DBG1, "nfp_attach: ddi_create_minor_node() failed." );
+    goto bailout;
+  }
+  
+  pdev->wr_ready = 1;
+  pdev->rd_ready = 0;
+  pdev->rd_pending = 0;
+  pdev->rd_outstanding = 0;
+  pdev->busy=0; 
+  pdev->cmddev= cmddev;
+  
+  ret = pdev->cmddev->create(&pdev->common);
+  if( ret != NFP_SUCCESS) {
+    nfp_log( NFP_DBG1, "nfp_attach: failed to create command device");
+    goto bailout;
+  }
+  pdev->common.dev= pdev;
+
+  if (ddi_intr_hilevel(dip, 0) != 0){
+    nfp_log( NFP_DBG2, "nfp_attach: high-level interrupt");
+    if( ddi_get_iblock_cookie(dip, 0, &pdev->high_iblock_cookie) ) {
+      nfp_log( NFP_DBG1, "nfp_attach: ddi_get_iblock_cookie(high) failed." );
+      goto bailout;
+    } 
+    if( ddi_get_iblock_cookie(dip, 0, &pdev->low_iblock_cookie) ) {
+      nfp_log( NFP_DBG1, "nfp_attach: ddi_get_iblock_cookie(low) failed." );
+      goto bailout;
+    }
+    mutex_init(&pdev->high_mutex, NULL, MUTEX_DRIVER,
+                (void *)pdev->high_iblock_cookie);
+    mutex_init(&pdev->low_mutex, NULL, MUTEX_DRIVER,
+                (void *)pdev->low_iblock_cookie);
+    if (ddi_add_intr(dip, 0, NULL,
+                NULL, nfp_isr,
+                (caddr_t)pdev) != DDI_SUCCESS) {
+      nfp_log( NFP_DBG1, "nfp_attach: ddi_add_intr(high) failed." );
+      goto bailout;
+    }
+    if( ddi_get_soft_iblock_cookie(dip, DDI_SOFTINT_HIGH,
+                &pdev->iblock_cookie) ) {
+      nfp_log( NFP_DBG1, "nfp_attach: ddi_get_iblock_cookie(soft) failed." );
+      goto bailout;
+    }
+    mutex_init(&pdev->isr_mutex, NULL, MUTEX_DRIVER,
+                (void *)pdev->iblock_cookie);
+    if (ddi_add_softintr(dip, DDI_SOFTINT_HIGH, &pdev->soft_int_id,
+                &pdev->iblock_cookie, NULL,
+                nfp_soft_isr, (caddr_t)pdev) != DDI_SUCCESS)
+                goto bailout;
+    pdev->high_intr= 1;
+  } else {
+    nfp_log( NFP_DBG2, "nfp_attach: low-level interrupt");
+
+    if (ddi_get_iblock_cookie (dip, 0, &pdev->iblock_cookie)) {
+      nfp_log( NFP_DBG1, "nfp_attach: ddi_get_iblock_cookie() failed." );
+      goto bailout;
+    }
+  
+    mutex_init(&pdev->isr_mutex, "nfp isr mutex", MUTEX_DRIVER, (void *)pdev->iblock_cookie);
+  
+    if (ddi_add_intr(dip, 0, NULL,
+                     (ddi_idevice_cookie_t *)NULL, nfp_isr,
+                     (caddr_t)pdev) != DDI_SUCCESS) {
+      nfp_log( NFP_DBG1, "nfp_attach: ddi_add_intr() failed." );
+      goto bailout;
+    }
+  }
+  mutex_init(&pdev->busy_mutex, "nfp busy mutex", MUTEX_DRIVER, NULL );
+  cv_init(&pdev->rd_cv, "nfp read condvar", CV_DRIVER, NULL );
+
+  /* get our bus and slot num */
+  if (ddi_getlongprop (DDI_DEV_T_NONE, 
+                       pdev->dip, 0, "reg",
+                       (caddr_t)&outp, &intres) != DDI_PROP_NOT_FOUND) {
+    nfp_log( NFP_DBG2, "nfp_attach: ddi_getlongprop('reg') ok." );
+    if( intres > 0 ) {
+      nfp_log( NFP_DBG1, "nfp_attach: found PCI nfast bus %x slot %x.",
+               ((*outp)>>16) & 0xff, ((*outp)>>11) & 0x1f );
+    }
+  }
+  
+  nfp_log( NFP_DBG2, "nfp_attach: attach succeeded." );
+  return DDI_SUCCESS;
+  
+bailout:
+  (void) nfp_release_dev( dip );
+
+  return DDI_FAILURE;
+}
+
+/*-------------------------*/
+/*  nfp_detach             */
+/*-------------------------*/
+
+/* 
+ * When our driver is unloaded, nfp_detach cleans up and frees the resources
+ * we allocated in nfp_attach.
+ */
+static int nfp_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) {
+  if (cmd != DDI_DETACH)
+    return (DDI_FAILURE);
+
+  (void) nfp_release_dev(dip);
+
+  return (DDI_SUCCESS);
+}
+
+/*-------------------------*/
+/*  _init                  */
+/*-------------------------*/
+
+int _init(void) {
+  register int error;
+
+  nfp_log( NFP_DBG2, "_init: entered" );
+
+  if ((error = ddi_soft_state_init(&state_head, sizeof (struct nfp_dev), 1)) != 0) {
+    nfp_log( NFP_DBG1, "_init: soft_state_init() failed" );
+    return (error);
+  }
+  
+  if ((error = mod_install(&modlinkage)) != 0) {
+    nfp_log( NFP_DBG1, "_init: mod_install() failed" );
+    ddi_soft_state_fini(&state_head);
+  }
+  
+  nfp_log( NFP_DBG2, "_init: leaving" );
+  return (error);
+}
+
+/*-------------------------*/
+/*  _info                  */
+/*-------------------------*/
+
+int _info(struct modinfo *modinfop) { 
+  nfp_log( NFP_DBG2, "_info: entered" );
+  
+  return (mod_info(&modlinkage, modinfop));
+}
+
+/*-------------------------*/
+/*  _fini                  */
+/*-------------------------*/
+
+int _fini(void) {
+  int status;
+  
+  nfp_log( NFP_DBG2, "_fini: entered" );
+  
+  if ((status = mod_remove(&modlinkage)) != 0) {
+    nfp_log( NFP_DBG2, "_fini: mod_remove() failed." );
+    return (status);
+  }
+  
+  ddi_soft_state_fini(&state_head);
+  
+  nfp_log( NFP_DBG2, "_fini: leaving" );
+  
+  return (status);
+}
+
diff --git a/usr/src/uts/common/io/nfp/i21285.c b/usr/src/uts/common/io/nfp/i21285.c
new file mode 100644
index 0000000000..f51a09188d
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/i21285.c
@@ -0,0 +1,310 @@
+/*
+
+i21285.c: nCipher PCI HSM intel/digital 21285 command driver
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+
+history
+
+09/10/2001 jsh  Original
+
+*/
+
+#include "nfp_common.h"
+#include "nfp_error.h"
+#include "nfp_hostif.h"
+#include "nfp_osif.h"
+#include "i21285.h"
+#include "nfp_cmd.h"
+#include "nfpci.h"
+
+/* create ------------------------------------------------------- */
+
+static nfp_err i21285_create( nfp_cdev *pdev ) {
+  unsigned int tmp32;
+
+  nfp_log( NFP_DBG2, "i21285_create: entered");
+  pdev->cmdctx= pdev;  /* set our context to just be a pointer to our nfp_cdev */
+
+  nfp_log( NFP_DBG2, "i21285_create: enable doorbell");
+  if(!pdev->bar[ IOBAR ]) {
+    nfp_log( NFP_DBG1, "i21285_create: null BAR[%d]", IOBAR );
+    return NFP_ENOMEM;
+  }
+  TO_LE32_IO( &tmp32, DOORBELL_ENABLE | POSTLIST_ENABLE);
+  nfp_outl( pdev, IOBAR, I21285_OFFSET_INTERRUPT_MASK, tmp32 );
+
+  return NFP_SUCCESS;
+}
+
+/* stop ------------------------------------------------------- */
+
+static nfp_err i21285_destroy( void * ctx ) {
+  nfp_cdev *pdev;
+  unsigned int tmp32;
+
+  nfp_log( NFP_DBG2, "i21285_destroy: entered");
+
+  pdev= (nfp_cdev *)ctx;
+  if(!pdev) {
+    nfp_log( NFP_DBG1, "i21285_destroy: NULL pdev");
+    return NFP_ENODEV;
+  }
+  if(!pdev->bar[ IOBAR ]) {
+    nfp_log( NFP_DBG1, "i21285_destroy: null BAR[%d]", IOBAR );
+    return NFP_ENOMEM;
+  }
+  TO_LE32_IO( &tmp32, DOORBELL_DISABLE | POSTLIST_DISABLE );
+  nfp_outl( pdev, IOBAR, I21285_OFFSET_INTERRUPT_MASK, tmp32 );
+
+  return NFP_SUCCESS;
+}
+
+/* open ------------------------------------------------------- */
+
+/* ARGSUSED */
+static nfp_err i21285_open( void * ctx ) {
+  nfp_log( NFP_DBG2, "i21285_open: entered");
+
+  return NFP_SUCCESS;
+}
+
+/* close ------------------------------------------------------- */
+
+/* ARGSUSED */
+static nfp_err i21285_close( void * ctx ) {
+  nfp_log( NFP_DBG2, "i21285_close: entered");
+
+  return NFP_SUCCESS;
+}
+
+/* isr ------------------------------------------------------- */
+
+static nfp_err i21285_isr( void *ctx, int *handled ) {
+  nfp_cdev *pdev;
+  unsigned int doorbell;
+  unsigned int tmp32;
+
+  nfp_log( NFP_DBG3, "i21285_isr: entered");
+
+  *handled= 0;
+  pdev= (nfp_cdev *)ctx;
+  if(!pdev) {
+    nfp_log( NFP_DBG1, "i21285_isr: NULL pdev");
+    return NFP_ENODEV;
+  }
+
+  doorbell= nfp_inl( pdev, IOBAR, I21285_OFFSET_DOORBELL);
+  doorbell= FROM_LE32_IO(&doorbell) & 0xffff;
+  while( doorbell && doorbell != 0xffff) {
+    *handled= 1;
+    /* service interrupts */
+    if( doorbell & (NFAST_INT_DEVICE_WRITE_OK | NFAST_INT_DEVICE_WRITE_FAILED)) {
+      TO_LE32_IO( &tmp32, NFAST_INT_DEVICE_WRITE_OK | NFAST_INT_DEVICE_WRITE_FAILED);
+      nfp_outl( pdev, IOBAR, I21285_OFFSET_DOORBELL, tmp32 );
+
+      nfp_log(NFP_DBG2, "i21285_isr: write done interrupt, ok = %d.", doorbell & NFAST_INT_DEVICE_WRITE_OK ? 1 : 0 );
+
+      nfp_write_complete(pdev->dev, doorbell & NFAST_INT_DEVICE_WRITE_OK ? 1 : 0 );
+    }
+
+    if( doorbell & (NFAST_INT_DEVICE_READ_OK | NFAST_INT_DEVICE_READ_FAILED)) {
+       TO_LE32_IO( &tmp32, NFAST_INT_DEVICE_READ_OK | NFAST_INT_DEVICE_READ_FAILED );
+       nfp_outl( pdev, IOBAR, I21285_OFFSET_DOORBELL, tmp32 );
+
+      nfp_log(NFP_DBG2, "i21285_isr: read ack interrupt, ok = %d.", doorbell & NFAST_INT_DEVICE_READ_OK ? 1 : 0 );
+      nfp_read_complete( pdev->dev, doorbell & NFAST_INT_DEVICE_READ_OK ? 1 : 0);
+    }
+
+    if( doorbell & ~(NFAST_INT_DEVICE_READ_OK  | NFAST_INT_DEVICE_READ_FAILED |
+                     NFAST_INT_DEVICE_WRITE_OK | NFAST_INT_DEVICE_WRITE_FAILED)) {
+      nfp_log( NFP_DBG1, "i21285_isr: unexpected interrupt %x", doorbell );
+      TO_LE32_IO( &tmp32, 0xffff & doorbell );
+      nfp_outl( pdev, IOBAR, I21285_OFFSET_DOORBELL, tmp32 );
+    }
+    doorbell= nfp_inl( pdev, IOBAR, I21285_OFFSET_DOORBELL);
+    doorbell= FROM_LE32_IO(&doorbell) & 0xffff;
+  }
+  return 0;
+}
+
+/* write ------------------------------------------------------- */
+
+static nfp_err i21285_write( const char *block, int len, void *ctx ) {
+  nfp_cdev *cdev;
+  unsigned int hdr[2];
+  nfp_err ne;
+  unsigned int tmp32;
+
+  nfp_log( NFP_DBG2, "i21285_write: entered");
+
+  cdev= (nfp_cdev *)ctx;
+  if(!cdev) {
+    nfp_log( NFP_DBG1, "i21285_write: NULL pdev");
+    return NFP_ENODEV;
+  }
+
+  nfp_log(NFP_DBG2, "i21285_write: pdev->bar[ MEMBAR ]= %x\n", cdev->bar[ MEMBAR ]);
+  nfp_log(NFP_DBG2, "i21285_write: pdev->bar[ IOBAR ]= %x\n", cdev->bar[ IOBAR ]);
+  if(!cdev->bar[ MEMBAR ]) {
+    nfp_log( NFP_DBG1, "i21285_write: null BAR[%d]", MEMBAR );
+    return NFP_ENOMEM;
+  }
+  ne= nfp_copy_from_user_to_dev( cdev, MEMBAR, NFPCI_JOBS_WR_DATA, block, len);
+  if (ne) {
+    nfp_log( NFP_DBG1, "i21285_write: nfp_copy_from_user_to_dev failed");
+    return ne;
+  }
+  TO_LE32_MEM(&hdr[0], NFPCI_JOB_CONTROL);
+  TO_LE32_MEM(&hdr[1], len);
+
+  ne= nfp_copy_to_dev( cdev, MEMBAR, NFPCI_JOBS_WR_CONTROL, (const char *)hdr, 8);
+  if (ne) {
+    nfp_log( NFP_DBG1, "i21285_write: nfp_copy_to_dev failed");
+    return ne;
+  }
+
+  ne= nfp_copy_from_dev( cdev, MEMBAR, NFPCI_JOBS_WR_LENGTH, (char *)hdr, 4);
+  if (ne) {
+    nfp_log( NFP_DBG1, "i21285_write: nfp_copy_from_dev failed");
+    return ne;
+  }
+  
+  TO_LE32_MEM( &tmp32, len );
+  if ( hdr[0] != tmp32 ) {
+    nfp_log( NFP_DBG1, "i21285_write: length not written");
+    return NFP_EIO;
+  }
+
+  TO_LE32_IO( &tmp32, NFAST_INT_HOST_WRITE_REQUEST);
+
+  nfp_outl( cdev, IOBAR, I21285_OFFSET_DOORBELL, tmp32 );
+
+  nfp_log( NFP_DBG2, "i21285_write: done");
+  return NFP_SUCCESS;
+}
+
+/* read ------------------------------------------------------- */
+
+static nfp_err i21285_read( char *block, int len, void *ctx, int *rcount) {
+  nfp_cdev *cdev;
+  nfp_err ne;
+  int count;
+
+  nfp_log( NFP_DBG2, "i21285_read: entered, len %d", len);
+  *rcount= 0;
+
+  cdev= (nfp_cdev *)ctx;
+  if(!cdev) {
+    nfp_log( NFP_DBG1, "i21285_read: NULL pdev");
+    return NFP_ENODEV;
+  }
+
+  if(!cdev->bar[ MEMBAR ]) {
+    nfp_log( NFP_DBG1, "i21285_read: null BAR[%d]", MEMBAR );
+    return NFP_ENOMEM;
+  }
+  ne= nfp_copy_from_dev( cdev, MEMBAR, NFPCI_JOBS_RD_LENGTH, (char *)&count, 4);
+  if(ne) {
+    nfp_log( NFP_DBG1, "i21285_read: nfp_copy_from_dev failed.");
+    return ne;
+  }
+  count= FROM_LE32_MEM(&count);
+  if(count<0 || count>len) {
+    nfp_log( NFP_DBG1, "i21285_read: bad byte count (%d) from device", count);
+    return NFP_EIO;
+  }
+  ne= nfp_copy_to_user_from_dev( cdev, MEMBAR, NFPCI_JOBS_RD_DATA, block, count);
+  if( ne ) {
+    nfp_log( NFP_DBG1, "i21285_read: nfp_copy_to_user_from_dev failed.");
+    return ne;
+  }
+  nfp_log( NFP_DBG2, "i21285_read: done");
+  *rcount= count;
+  return NFP_SUCCESS;
+}
+
+/* chupdate  ------------------------------------------------------- */
+
+/* ARGSUSED */
+static nfp_err i21285_chupdate( char *data, int len, void *ctx ) {
+  nfp_log( NFP_DBG1, "i21285_chupdate: NYI");
+  return NFP_SUCCESS;
+}
+
+/* ensure reading -------------------------------------------------- */
+
+static nfp_err i21285_ensure_reading( unsigned int addr, int len, void *ctx ) {
+  nfp_cdev *cdev;
+  unsigned int hdr[2];
+  unsigned int tmp32;
+  nfp_err ne;
+
+  nfp_log( NFP_DBG2, "i21285_ensure_reading: entered");
+
+  if(addr) {
+    nfp_log( NFP_DBG2, "i21285_ensure_reading: bad addr");
+    return -NFP_EINVAL;
+  }
+
+  cdev= (nfp_cdev *)ctx;
+  if(!cdev) {
+    nfp_log( NFP_DBG1, "i21285_ensure_reading: NULL pdev");
+    return NFP_ENODEV;
+  }
+
+  if(!cdev->bar[ MEMBAR ]) {
+    nfp_log( NFP_DBG1, "i21285_ensure_reading: null BAR[%d]", MEMBAR );
+    return NFP_ENXIO;
+  }
+  nfp_log( NFP_DBG3, "i21285_ensure_reading: pdev->bar[ MEMBAR ]= %x", cdev->bar[ MEMBAR ]);
+  nfp_log( NFP_DBG3, "i21285_ensure_reading: pdev->bar[ IOBAR ]= %x", cdev->bar[ IOBAR ]);
+  TO_LE32_MEM( &hdr[0], NFPCI_JOB_CONTROL);
+  TO_LE32_MEM( &hdr[1], len);
+  ne= nfp_copy_to_dev( cdev, MEMBAR, NFPCI_JOBS_RD_CONTROL, (const char *)hdr, 8);
+  if (ne) {
+    nfp_log( NFP_DBG1, "i21285_ensure_reading: nfp_copy_to_dev failed");
+    return ne;
+  }
+  ne= nfp_copy_from_dev( cdev, MEMBAR, NFPCI_JOBS_RD_LENGTH, (char *)hdr, 4);
+  if (ne) {
+    nfp_log( NFP_DBG1, "i21285_ensure_reading: nfp_copy_from_dev failed");
+    return ne;
+  }
+  TO_LE32_MEM( &tmp32, len );
+  if ( hdr[0] != tmp32 ) {
+    nfp_log( NFP_DBG1, "i21285_ensure_reading: len not written");
+    return NFP_EIO;
+  };
+  TO_LE32_IO( &tmp32, NFAST_INT_HOST_READ_REQUEST );
+  nfp_outl( cdev, IOBAR, I21285_OFFSET_DOORBELL, tmp32 );
+
+  return NFP_SUCCESS;
+}
+
+/* command device structure ------------------------------------- */
+
+
+const nfpcmd_dev i21285_cmddev = {
+  "nCipher Gen 1 PCI",
+  PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285,
+  PCI_VENDOR_ID_NCIPHER, PCI_DEVICE_ID_NFAST_GEN1,
+  { 0, IOSIZE | PCI_BASE_ADDRESS_SPACE_IO, NFPCI_RAM_MINSIZE, 0, 0, 0 },
+  NFP_CMD_FLG_NEED_IOBUF,
+  i21285_create,
+  i21285_destroy,
+  i21285_open,
+  i21285_close,
+  i21285_isr,
+  i21285_write,
+  i21285_read,
+  i21285_chupdate,
+  i21285_ensure_reading,
+  0, /* no debug */
+};
+  
diff --git a/usr/src/uts/common/io/nfp/i21285.h b/usr/src/uts/common/io/nfp/i21285.h
new file mode 100644
index 0000000000..4ea1d853ec
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/i21285.h
@@ -0,0 +1,43 @@
+/*
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+*/
+
+#ifndef NFP_I21285_H
+#define NFP_I21285_H
+
+#ifndef PCI_VENDOR_ID_DEC
+#define PCI_VENDOR_ID_DEC               0x1011
+#endif
+#ifndef PCI_DEVICE_ID_DEC_21285
+#define PCI_DEVICE_ID_DEC_21285         0x1065
+#endif
+#ifndef PCI_VENDOR_ID_NCIPHER
+#define PCI_VENDOR_ID_NCIPHER           0x0100
+#endif
+
+#ifndef PCI_DEVICE_ID_NFAST_GEN1
+#define PCI_DEVICE_ID_NFAST_GEN1	0x0100
+#endif
+
+#define I21285_OFFSET_DOORBELL		0x60
+#define I21285_OFFSET_INTERRUPT_MASK	0x34
+
+#define DOORBELL_ENABLE 0x0
+#define DOORBELL_DISABLE 0x4
+
+#define POSTLIST_ENABLE 0x0
+#define POSTLIST_DISABLE 0x8
+
+#define IOBAR	1
+#define MEMBAR	2
+
+#define IOSIZE	0x80
+#define MEMSIZE	0x100000
+
+#endif
diff --git a/usr/src/uts/common/io/nfp/i21555.c b/usr/src/uts/common/io/nfp/i21555.c
new file mode 100644
index 0000000000..82024dc800
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/i21555.c
@@ -0,0 +1,423 @@
+/*
+
+i21555.c: nCipher PCI HSM intel 21555 command driver
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+history
+
+09/10/2001 jsh  Original
+
+*/
+
+#include "nfp_common.h"
+#include "nfp_error.h"
+#include "nfp_hostif.h"
+#include "nfp_osif.h"
+#include "i21555.h"
+#include "nfp_cmd.h"
+#include "nfpci.h"
+
+/* started ------------------------------------------------------
+ *
+ * Check that device is ready to talk, by checking that
+ * the i21555 has master enabled on its secondary interface
+ */
+
+static nfp_err i21555_started( nfp_cdev *pdev ) {
+  unsigned int tmp32;
+#ifdef CONFIGSPACE_DEBUG
+  unsigned int reg32[64];
+  int i;
+#endif
+  nfp_err ne;
+
+  nfp_log( NFP_DBG2, "i21555_started: entered");
+
+#ifdef CONFIGSPACE_DEBUG
+  /* Suck up all the registers */
+  for (i=0; i < 64; i++) {
+    ne = nfp_config_inl( pdev, i*4, &reg32[i] );
+  }
+
+  for (i=0; i < 16; i++) {
+    int j = i * 4;
+    nfp_log( NFP_DBG3, "i21555 config reg %2x: %08x %08x %08x %08x", j*4,
+        reg32[j], reg32[j+1], reg32[j+2], reg32[j+3]);
+  }
+#endif
+
+  ne = nfp_config_inl( pdev, I21555_CFG_SEC_CMD_STATUS, &tmp32 );
+  if (ne) {
+    /* succeed if PCI config reads are not implemented */
+    if (ne == NFP_EUNKNOWN)
+      return NFP_SUCCESS;
+    nfp_log( NFP_DBG1, "i21555_started: nfp_config_inl failed");
+    return ne;
+  }
+
+  tmp32= FROM_LE32_IO(&tmp32) & 0xffff;
+
+  if ( tmp32 & CFG_CMD_MASTER ) {
+    nfp_log( NFP_DBG3, "i21555_started: Yes %x", tmp32);
+    return NFP_SUCCESS;
+  } else {
+    nfp_log( NFP_DBG1, "i21555_started: device not started yet %x", tmp32);
+    return NFP_ESTARTING;
+  }
+}
+
+/* create ------------------------------------------------------- */
+
+static nfp_err i21555_create( nfp_cdev *pdev ) {
+  unsigned int tmp32;
+
+  nfp_log( NFP_DBG2, "i21555_create: entered");
+  pdev->cmdctx= pdev;  /* set our context to just be a pointer to our nfp_cdev */
+
+  if(!pdev->bar[ IOBAR ]) {
+    nfp_log( NFP_DBG1, "i21555_create: null BAR[%d]", IOBAR );
+    return NFP_ENOMEM;
+  }
+  nfp_log( NFP_DBG2, "i21555_create: enable doorbell");
+  TO_LE32_IO( &tmp32, I21555_DOORBELL_PRI_ENABLE );
+  nfp_outl( pdev, IOBAR, I21555_OFFSET_DOORBELL_PRI_SET_MASK, tmp32 );
+  nfp_outl( pdev, IOBAR, I21555_OFFSET_DOORBELL_PRI_CLEAR_MASK, tmp32 );
+  return NFP_SUCCESS;
+}
+
+/* stop ------------------------------------------------------- */
+
+static nfp_err i21555_destroy( void * ctx ) {
+  nfp_cdev *pdev;
+  unsigned int tmp32;
+
+  nfp_log( NFP_DBG2, "i21555_destroy: entered");
+
+  pdev= (nfp_cdev *)ctx;
+  if(!pdev) {
+    nfp_log( NFP_DBG1, "i21555_destroy: NULL pdev");
+    return NFP_ENODEV;
+  }
+  if(!pdev->bar[ IOBAR ]) {
+    nfp_log( NFP_DBG1, "i21555_destroy: null BAR[%d]", IOBAR );
+    return NFP_ENOMEM;
+  }
+  TO_LE32_IO( &tmp32, I21555_DOORBELL_PRI_DISABLE );
+  nfp_outl( pdev, IOBAR, I21555_OFFSET_DOORBELL_PRI_SET_MASK, tmp32 );
+  nfp_outl( pdev, IOBAR, I21555_OFFSET_DOORBELL_PRI_CLEAR_MASK, tmp32 );
+
+  return NFP_SUCCESS;
+}
+
+/* open ------------------------------------------------------- */
+
+/* ARGSUSED */
+static nfp_err i21555_open( void * ctx ) {
+
+  nfp_log( NFP_DBG2, "i21555_open: entered");
+
+  return NFP_SUCCESS;
+}
+
+/* close ------------------------------------------------------- */
+
+/* ARGSUSED */
+static nfp_err i21555_close( void * ctx ) {
+  nfp_log( NFP_DBG2, "i21555_close: entered");
+
+  return NFP_SUCCESS;
+}
+
+/* isr ------------------------------------------------------- */
+
+static nfp_err i21555_isr( void *ctx, int *handled ) {
+  nfp_cdev *pdev;
+  nfp_err ne;
+  unsigned short doorbell;
+  unsigned short tmp16;
+
+  nfp_log( NFP_DBG3, "i21555_isr: entered");
+
+  *handled= 0;
+  pdev= (nfp_cdev *)ctx;
+  if(!pdev) {
+    nfp_log( NFP_DBG1, "i21555_isr: NULL pdev");
+    return NFP_ENODEV;
+  }
+
+  pdev->stats.isr++;
+
+  if(!pdev->bar[ IOBAR ]) {
+    nfp_log( NFP_DBG1, "i21555_isr: null BAR[%d]", IOBAR );
+    return NFP_ENOMEM;
+  }
+
+  /* This interrupt may not be from our module, so check that it actually is
+   * us before handling it.
+   */
+  ne = i21555_started( pdev );
+  if (ne) {
+    if (ne != NFP_ESTARTING) {
+      nfp_log( NFP_DBG1, "i21555_isr: i21555_started failed");
+    }
+    return ne;
+  }
+
+  doorbell= nfp_inw( pdev, IOBAR, I21555_OFFSET_DOORBELL_PRI_SET);
+  doorbell= FROM_LE16_IO(&doorbell);
+  while( doorbell && doorbell != 0xffff) {
+    *handled= 1;
+    /* service interrupts */
+    if( doorbell & (NFAST_INT_DEVICE_WRITE_OK | NFAST_INT_DEVICE_WRITE_FAILED)) {
+      pdev->stats.isr_write++;
+      TO_LE16_IO(&tmp16,NFAST_INT_DEVICE_WRITE_OK | NFAST_INT_DEVICE_WRITE_FAILED);
+      nfp_outw( pdev, IOBAR, I21555_OFFSET_DOORBELL_PRI_CLEAR, tmp16 );
+
+      nfp_log( NFP_DBG2, "i21555_isr: write done interrupt, ok = %d.", doorbell & NFAST_INT_DEVICE_WRITE_OK ? 1 : 0 );
+
+      nfp_write_complete(pdev->dev, doorbell & NFAST_INT_DEVICE_WRITE_OK ? 1 : 0 );
+    }
+
+    if( doorbell & (NFAST_INT_DEVICE_READ_OK | NFAST_INT_DEVICE_READ_FAILED)) {
+      pdev->stats.isr_read++;
+      TO_LE16_IO(&tmp16,NFAST_INT_DEVICE_READ_OK | NFAST_INT_DEVICE_READ_FAILED);
+      nfp_outw( pdev, IOBAR, I21555_OFFSET_DOORBELL_PRI_CLEAR, tmp16 );
+
+      nfp_log( NFP_DBG2, "i21555_isr: read ack interrupt, ok = %d.", doorbell & NFAST_INT_DEVICE_READ_OK ? 1 : 0 );
+      nfp_read_complete( pdev->dev, doorbell & NFAST_INT_DEVICE_READ_OK ? 1 : 0);
+    }
+
+    if( doorbell & ~(NFAST_INT_DEVICE_READ_OK  | NFAST_INT_DEVICE_READ_FAILED |
+                     NFAST_INT_DEVICE_WRITE_OK | NFAST_INT_DEVICE_WRITE_FAILED)) {
+      TO_LE16_IO(&tmp16,doorbell);
+      nfp_outw( pdev, IOBAR, I21555_OFFSET_DOORBELL_PRI_CLEAR, tmp16 );
+      nfp_log( NFP_DBG1, "i21555_isr: unexpected interrupt %x", doorbell );
+    }
+    doorbell= nfp_inw( pdev, IOBAR, I21555_OFFSET_DOORBELL_PRI_SET);
+    doorbell= FROM_LE16_IO(&doorbell);
+  }
+  nfp_log( NFP_DBG3, "i21555_isr: exiting");
+  return 0;
+}
+
+/* write ------------------------------------------------------- */
+
+static nfp_err i21555_write( const char *block, int len, void *ctx) {
+  nfp_cdev *cdev;
+  unsigned int hdr[2];
+  nfp_err ne;
+  unsigned short tmp16;
+  unsigned int tmp32;
+
+  nfp_log( NFP_DBG2, "i21555_write: entered");
+
+  cdev= (nfp_cdev *)ctx;
+  if(!cdev) {
+    nfp_log( NFP_DBG1, "i21555_write: NULL cdev");
+    return NFP_ENODEV;
+  }
+
+  cdev->stats.write_fail++;
+
+  if(!cdev->bar[ IOBAR ]) {
+    nfp_log( NFP_DBG1, "i21555_write: null BAR[%d]", IOBAR );
+    return NFP_ENOMEM;
+  }
+
+  ne = i21555_started( cdev );
+  if (ne) {
+    if (ne != NFP_ESTARTING) {
+      nfp_log( NFP_DBG1, "i21555_write: i21555_started failed");
+    }
+    return ne;
+  }
+
+  nfp_log( NFP_DBG3, "i21555_write: cdev->bar[ MEMBAR ]= %x", cdev->bar[ MEMBAR ]);
+  nfp_log( NFP_DBG3, "i21555_write: cdev->bar[ IOBAR ]= %x", cdev->bar[ IOBAR ]);
+  nfp_log( NFP_DBG3, "i21555_write: block len %d", len ); 
+  ne= nfp_copy_from_user_to_dev( cdev, MEMBAR, NFPCI_JOBS_WR_DATA, block, len);
+  if (ne) {
+    nfp_log( NFP_DBG1, "i21555_write: nfp_copy_from_user_to_dev failed");
+    return ne;
+  }
+  TO_LE32_MEM(&hdr[0], NFPCI_JOB_CONTROL);
+  TO_LE32_MEM(&hdr[1], len);
+  ne= nfp_copy_to_dev( cdev, MEMBAR, NFPCI_JOBS_WR_CONTROL, (const char *)hdr, 8);
+  if (ne) {
+    nfp_log( NFP_DBG1, "i21555_write: nfp_copy_to_dev failed");
+    return ne;
+  }
+
+  ne= nfp_copy_from_dev( cdev, MEMBAR, NFPCI_JOBS_WR_LENGTH, (char *)hdr, 4);
+  if (ne) {
+    nfp_log( NFP_DBG1, "i21555_write: nfp_copy_from_dev failed");
+    return ne;
+  }
+
+  TO_LE32_MEM(&tmp32, len);
+  if ( hdr[0] != tmp32 ) {
+    nfp_log( NFP_DBG1, "i21555_write: length not written");
+    return NFP_EIO;
+  }
+  TO_LE16_IO(&tmp16, NFAST_INT_HOST_WRITE_REQUEST >> 16);
+  nfp_outw( cdev, IOBAR, I21555_OFFSET_DOORBELL_SEC_SET, tmp16);
+
+  cdev->stats.write_fail--;
+  cdev->stats.write_block++;
+  cdev->stats.write_byte += len;
+
+  nfp_log( NFP_DBG2, "i21555_write: done");
+  return NFP_SUCCESS;
+}
+
+/* read ------------------------------------------------------- */
+
+static nfp_err i21555_read( char *block, int len, void *ctx, int *rcount) {
+  nfp_cdev *cdev;
+  nfp_err ne;
+  int count;
+
+  nfp_log( NFP_DBG2, "i21555_read: entered");
+  *rcount= 0;
+
+  cdev= (nfp_cdev *)ctx;
+  if(!cdev) {
+    nfp_log( NFP_DBG1, "i21555_read: NULL pdev");
+    return NFP_ENODEV;
+  }
+
+  cdev->stats.read_fail++;
+
+  if(!cdev->bar[ IOBAR ]) {
+    nfp_log( NFP_DBG1, "i21555_read: null BAR[%d]", IOBAR );
+    return NFP_ENOMEM;
+  }
+
+  ne= nfp_copy_from_dev( cdev, MEMBAR, NFPCI_JOBS_RD_LENGTH, (char *)&count, 4);
+  if (ne) {
+    nfp_log( NFP_DBG1, "i21555_read: nfp_copy_from_dev failed.");
+    return ne;
+  }
+  count= FROM_LE32_MEM(&count);
+  if(count<0 || count>len) {
+    nfp_log( NFP_DBG1, "i21555_read: bad byte count (%d) from device", count);
+    return NFP_EIO;
+  }
+  ne= nfp_copy_to_user_from_dev( cdev, MEMBAR, NFPCI_JOBS_RD_DATA, block, count);
+  if (ne) {
+    nfp_log( NFP_DBG1, "i21555_read: nfp_copy_to_user failed.");
+    return ne;
+  }
+  nfp_log( NFP_DBG2, "i21555_read: done");
+  *rcount= count;
+  cdev->stats.read_fail--;
+  cdev->stats.read_block++;
+  cdev->stats.read_byte += len;
+  return NFP_SUCCESS;
+}
+
+/* chupdate  ------------------------------------------------------- */
+
+/* ARGSUSED */
+static nfp_err i21555_chupdate( char *data, int len, void *ctx ) {
+  nfp_log( NFP_DBG1, "i21555_chupdate: NYI");
+  return NFP_SUCCESS;
+}
+
+/* ensure reading -------------------------------------------------- */
+
+static nfp_err i21555_ensure_reading( unsigned int addr, int len, void *ctx ) {
+  nfp_cdev *cdev;
+  unsigned int hdr[3];
+  unsigned short tmp16;
+  unsigned int tmp32;
+  nfp_err ne;
+  int hdr_len;
+
+  nfp_log( NFP_DBG2, "i21555_ensure_reading: entered");
+
+  cdev= (nfp_cdev *)ctx;
+  if(!cdev) {
+    nfp_log( NFP_DBG1, "i21555_ensure_reading: NULL pdev");
+    return NFP_ENODEV;
+  }
+
+  cdev->stats.ensure_fail++;
+
+  if(!cdev->bar[ IOBAR ]) {
+    nfp_log( NFP_DBG1, "i21555_ensure_reading: null BAR[%d]", IOBAR );
+    return NFP_ENOMEM;
+  }
+
+  ne = i21555_started( cdev );
+  if (ne) {
+    if (ne != NFP_ESTARTING) {
+      nfp_log( NFP_DBG1, "i21555_ensure_reading: i21555_started failed");
+    }
+    return ne;
+  }
+
+  nfp_log( NFP_DBG3, "i21555_ensure_reading: pdev->bar[ MEMBAR ]= %x", cdev->bar[ MEMBAR ]);
+  nfp_log( NFP_DBG3, "i21555_ensure_reading: pdev->bar[ IOBAR ]= %x", cdev->bar[ IOBAR ]);
+  if(addr) {
+    nfp_log( NFP_DBG3, "i21555_ensure_reading: new format, addr %x", addr);
+    TO_LE32_MEM(&hdr[0], NFPCI_JOB_CONTROL_PCI_PUSH);
+    TO_LE32_MEM(&hdr[1], len);
+    TO_LE32_MEM(&hdr[2], addr);
+    hdr_len= 12;
+  } else {
+    TO_LE32_MEM(&hdr[0], NFPCI_JOB_CONTROL);
+    TO_LE32_MEM(&hdr[1], len);
+    hdr_len= 8;
+  }
+  ne= nfp_copy_to_dev( cdev, MEMBAR, NFPCI_JOBS_RD_CONTROL, (const char *)hdr, hdr_len);
+  if (ne) {
+    nfp_log( NFP_DBG1, "i21555_ensure_reading: nfp_copy_to_dev failed");
+    return ne;
+  }
+
+  ne= nfp_copy_from_dev( cdev, MEMBAR, NFPCI_JOBS_RD_LENGTH, (char *)hdr, 4);
+  if (ne) {
+    nfp_log( NFP_DBG1, "i21555_ensure_reading: nfp_copy_from_dev failed");
+    return ne;
+  }
+
+  TO_LE32_MEM(&tmp32, len);
+
+  if ( hdr[0] != tmp32 ) {
+    nfp_log( NFP_DBG1, "i21555_ensure_reading: len not written");
+    return NFP_EIO;
+  }
+  TO_LE16_IO( &tmp16, NFAST_INT_HOST_READ_REQUEST >> 16);
+  nfp_outw( cdev, IOBAR, I21555_OFFSET_DOORBELL_SEC_SET, tmp16);
+
+  cdev->stats.ensure_fail--;
+  cdev->stats.ensure++;
+
+  return NFP_SUCCESS;
+}
+
+/* command device structure ------------------------------------- */
+
+const nfpcmd_dev i21555_cmddev = {
+  "nCipher Gen 2 PCI",
+  PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_21555,
+  PCI_VENDOR_ID_NCIPHER, PCI_SUBSYSTEM_ID_NFAST_REV1,
+  { 0, IOSIZE | PCI_BASE_ADDRESS_SPACE_IO, NFPCI_RAM_MINSIZE_JOBS, 0, 0, 0 },
+  NFP_CMD_FLG_NEED_IOBUF,
+  i21555_create,
+  i21555_destroy,
+  i21555_open,
+  i21555_close,
+  i21555_isr,
+  i21555_write,
+  i21555_read,
+  i21555_chupdate,
+  i21555_ensure_reading,
+  i21555_debug,
+};
diff --git a/usr/src/uts/common/io/nfp/i21555.h b/usr/src/uts/common/io/nfp/i21555.h
new file mode 100644
index 0000000000..d8f3965938
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/i21555.h
@@ -0,0 +1,51 @@
+/*
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+*/
+
+#ifndef I21555_H
+#define I21555_H
+
+#ifndef PCI_VENDOR_ID_INTEL
+#define PCI_VENDOR_ID_INTEL             0x8086
+#endif
+
+#ifndef PCI_DEVICE_ID_INTEL_21555
+#define PCI_DEVICE_ID_INTEL_21555       0xb555
+#endif
+
+#ifndef PCI_VENDOR_ID_NCIPHER
+#define PCI_VENDOR_ID_NCIPHER           0x0100
+#endif
+
+#ifndef PCI_SUBSYSTEM_ID_NFAST_REV1
+#define PCI_SUBSYSTEM_ID_NFAST_REV1     0x0100
+#endif
+
+#define I21555_OFFSET_DOORBELL_PRI_SET		0x9C
+#define I21555_OFFSET_DOORBELL_SEC_SET		0x9E
+#define I21555_OFFSET_DOORBELL_PRI_CLEAR	0x98
+
+#define I21555_OFFSET_DOORBELL_PRI_SET_MASK	0xA4
+#define I21555_OFFSET_DOORBELL_PRI_CLEAR_MASK	0xA0
+
+#define I21555_DOORBELL_PRI_ENABLE 0x0000
+#define I21555_DOORBELL_PRI_DISABLE 0xFFFF
+
+#define I21555_CFG_SEC_CMD_STATUS 0x44
+
+#define CFG_CMD_MASTER 0x0004
+
+#define IOBAR   1
+#define MEMBAR  2
+
+#define IOSIZE  0x100
+
+extern nfp_err i21555_debug( int cmd, void *ctx );
+
+#endif
diff --git a/usr/src/uts/common/io/nfp/i21555d.c b/usr/src/uts/common/io/nfp/i21555d.c
new file mode 100644
index 0000000000..183ace8275
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/i21555d.c
@@ -0,0 +1,28 @@
+/*
+
+i21555d.c: nCipher PCI HSM intel 21555 debug ioctl
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+
+history
+
+15/05/2002 jsh  Original, does nothing
+
+*/
+
+#include "nfp_common.h"
+#include "nfp_error.h"
+#include "nfp_osif.h"
+#include "i21555.h"
+
+/* ARGSUSED */
+nfp_err i21555_debug( int cmd, void *ctx) {
+  nfp_log( NFP_DBG1, "i21555_debug: entered");
+
+  return NFP_EUNKNOWN;
+}
diff --git a/usr/src/uts/common/io/nfp/nfdev-common.h b/usr/src/uts/common/io/nfp/nfdev-common.h
new file mode 100644
index 0000000000..8a97bf2c63
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/nfdev-common.h
@@ -0,0 +1,141 @@
+/*
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+*/
+/** \file nfdev-common.h
+ *
+ * \brief nFast device driver (not generic SCSI) ioctl struct definition file
+ *  include NFDEV-$(system) for ioctl number definitions
+ *
+ *  1998.07.13	jsh	Started
+ *
+ * 
+ */
+
+#ifndef NFDEV_COMMON_H
+#define NFDEV_COMMON_H
+
+/**
+ * Result of the ENQUIRY ioctl.
+ */
+typedef struct nfdev_enquiry_str {
+  unsigned int  busno; /**< Which bus is the PCI device on. */
+  unsigned char slotno; /**< Which slot is the PCI device in. */
+  unsigned char reserved[3]; /**< for consistant struct alignment */
+} nfdev_enquiry_str;
+
+/**
+ * Result of the STATS ioctl.
+ */
+typedef struct nfdev_stats_str {
+  unsigned long  isr; /**< Count interrupts. */
+  unsigned long  isr_read; /**< Count read interrupts. */
+  unsigned long  isr_write; /**< Count write interrupts. */
+  unsigned long  write_fail; /**< Count write failures. */
+  unsigned long  write_block; /**< Count blocks written. */
+  unsigned long  write_byte; /**< Count bytes written. */
+  unsigned long  read_fail; /**< Count read failures. */
+  unsigned long  read_block; /**< Count blocks read. */
+  unsigned long  read_byte; /**< Count bytes read. */
+  unsigned long  ensure_fail; /**< Count read request failures. */
+  unsigned long  ensure; /**< Count read requests. */
+} nfdev_stats_str;
+
+/**
+ * Input to the CONTROL ioctl.
+ */
+typedef struct nfdev_control_str {
+  unsigned control; /**< Control flags. */
+} nfdev_control_str;
+
+/** Control bit indicating host supports MOI control */
+#define NFDEV_CONTROL_HOST_MOI 0x0001
+
+/** Index of control bits indicating desired mode
+ *
+ * Desired mode follows the M_ModuleMode enumeration.
+ */
+#define NFDEV_CONTROL_MODE_SHIFT 1
+
+/** Detect a backwards-compatible control value
+ *
+ * Returns true if the request control value "makes no difference", i.e.
+ * and the failure of an attempt to set it is therefore uninteresting.
+ */
+#define NFDEV_CONTROL_HARMLESS(c) ((c) <= 1)
+
+/**
+ * Result of the STATUS ioctl.
+ */
+typedef struct nfdev_status_str {
+  unsigned  status; /**< Status flags. */
+  char      error[8]; /**< Error string. */
+} nfdev_status_str;
+
+/** Monitor firmware supports MOI control and error reporting */
+#define NFDEV_STATUS_MONITOR_MOI 0x0001
+
+/** Application firmware supports MOI control and error reporting */
+#define NFDEV_STATUS_APPLICATION_MOI 0x0002
+
+/** Application firmware running and supports error reporting */
+#define NFDEV_STATUS_APPLICATION_RUNNING 0x0004
+
+/** HSM failed
+ *
+ * Consult error[] for additional information.
+ */
+#define NFDEV_STATUS_FAILED 0x0008
+
+/** Standard PCI interface. */
+#define NFDEV_IF_STANDARD	0x01
+
+/** PCI interface with results pushed from device
+ *  via DMA.
+ */
+#define NFDEV_IF_PCI_PUSH	0x02
+
+/* platform independant base ioctl numbers */
+
+/** Enquiry ioctl.
+ *  \return nfdev_enquiry_str describing the attached device. */
+#define NFDEV_IOCTL_NUM_ENQUIRY        0x01
+/** Channel Update ioctl.
+ *  \deprecated */
+#define NFDEV_IOCTL_NUM_CHUPDATE       0x02
+/** Ensure Reading ioctl.
+ *  Signal a read request to the device.
+ *  \param (unsigned int) Length of data to be read.
+ */
+#define NFDEV_IOCTL_NUM_ENSUREREADING  0x03
+/** Device Count ioctl.
+ *  Not implemented for on all platforms.
+ *  \return (int) the number of attached devices. */
+#define NFDEV_IOCTL_NUM_DEVCOUNT       0x04
+/** Internal Debug ioctl.
+ *  Not implemented in release drivers. */
+#define NFDEV_IOCTL_NUM_DEBUG          0x05
+/** PCI Interface Version ioctl.
+ *  \param (int) Maximum PCI interface version
+ *   supported by the user of the device. */
+#define NFDEV_IOCTL_NUM_PCI_IFVERS     0x06
+/** Statistics ioctl.
+ *  \return nfdev_enquiry_str describing the attached device. */
+#define NFDEV_IOCTL_NUM_STATS          0x07
+
+/** Module control ioctl
+ * \param (nfdev_control_str) Value to write to HSM control register
+ */
+#define NFDEV_IOCTL_NUM_CONTROL        0x08
+
+/** Module state ioctl
+ * \return (nfdev_status_str) Values read from HSM status/error registers
+ */
+#define NFDEV_IOCTL_NUM_STATUS         0x09
+
+#endif
diff --git a/usr/src/uts/common/io/nfp/nfdev-solaris.h b/usr/src/uts/common/io/nfp/nfdev-solaris.h
new file mode 100644
index 0000000000..923b902e46
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/nfdev-solaris.h
@@ -0,0 +1,37 @@
+/*
+
+nfdev-solaris.h: nFast solaris specific device ioctl interface.
+
+(C) Copyright nCipher Corporation Ltd 1998-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+history
+
+14/07/1998 jsh  Original
+
+*/
+
+#ifndef NFDEV_SOLARIS_H
+#define NFDEV_SOLARIS_H
+
+#include "nfdev-common.h"
+
+#define NFDEV_IOCTL_TYPE ('n'<<8)
+
+#define NFDEV_IOCTL_ENQUIRY		( NFDEV_IOCTL_TYPE | \
+					  NFDEV_IOCTL_NUM_ENQUIRY )
+#define NFDEV_IOCTL_ENSUREREADING	( NFDEV_IOCTL_TYPE | \
+					  NFDEV_IOCTL_NUM_ENSUREREADING )
+#define NFDEV_IOCTL_DEVCOUNT		( NFDEV_IOCTL_TYPE | \
+					  NFDEV_IOCTL_NUM_DEVCOUNT )
+#define NFDEV_IOCTL_DEBUG		( NFDEV_IOCTL_TYPE | \
+					  NFDEV_IOCTL_NUM_DEBUG )
+#define NFDEV_IOCTL_PCI_IFVERS		( NFDEV_IOCTL_TYPE | \
+					  NFDEV_IOCTL_NUM_PCI_IFVERS )
+#define NFDEV_IOCTL_STATS		( NFDEV_IOCTL_TYPE | \
+					  NFDEV_IOCTL_NUM_STATS )
+
+#endif /* NFDEV_SOLARIS_H */
diff --git a/usr/src/uts/common/io/nfp/nfp.h b/usr/src/uts/common/io/nfp/nfp.h
new file mode 100644
index 0000000000..9704f04fbc
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/nfp.h
@@ -0,0 +1,113 @@
+/*
+
+nfp.h: nFast PCI driver for Solaris 2.5, 2.6 and 2.7
+
+(C) Copyright nCipher Corporation Ltd 2001-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+history
+
+06/05/1998 jsh  Original solaris 2.6
+21/05/1999 jsh  added support for solaris 2.5
+10/06/1999 jsh  added support for solaris 2.7 (32 and 64 bit)
+16/10/2001 jsh  moved from nfast to new structure in nfdrv
+
+*/
+
+#ifndef NFP_H
+#define NFP_H
+
+#ifndef _KERNEL
+#error Hello?  this is a driver, please compile with -D_KERNEL
+#endif
+
+#if ( CH_KERNELVER < 260 )
+typedef int ioctlptr_t;
+typedef unsigned short uint16_t;
+#define DDI_GET32    ddi_getl
+#define DDI_PUT32    ddi_putl
+#define DDI_GET16    ddi_getw
+#define DDI_PUT16    ddi_putw
+#define DDI_REP_GET8 ddi_rep_getb
+#define DDI_REP_PUT8 ddi_rep_putb
+#define DDI_REP_GET32 ddi_rep_getl
+#define DDI_REP_PUT32 ddi_rep_putl
+#define PCI_CONFIG_GET16 pci_config_getw
+#else /* ( CH_KERNELVER >= 260 ) */
+typedef intptr_t ioctlptr_t;
+#define DDI_GET32    ddi_get32
+#define DDI_PUT32    ddi_put32
+#define DDI_GET16    ddi_get16
+#define DDI_PUT16    ddi_put16
+#define DDI_REP_GET8 ddi_rep_get8
+#define DDI_REP_PUT8 ddi_rep_put8
+#define DDI_REP_GET32 ddi_rep_get32
+#define DDI_REP_PUT32 ddi_rep_put32
+#define PCI_CONFIG_GET16 pci_config_get16
+#endif
+
+#if ( CH_KERNELVER < 270 )
+typedef int nfp_timeout_t;
+#define EXTRA_CB_FLAGS 0
+#define VSXPRINTF(s, n, format, ap) vsprintf (s, format, ap)
+#else /* ( CH_KERNELVER >= 270 ) */
+typedef timeout_id_t nfp_timeout_t;
+#define EXTRA_CB_FLAGS D_64BIT
+#define VSXPRINTF(s, n, format, ap) vsnprintf(s, n, format, ap)
+#endif
+
+typedef struct nfp_dev {
+  int rd_ok;
+  int wr_ok;
+
+  int ifvers;
+
+  /* for PCI push read interface */
+  unsigned char *read_buf;
+  ddi_dma_handle_t read_dma_handle;
+  ddi_dma_cookie_t read_dma_cookie;
+
+  ddi_acc_handle_t acchandle;
+
+  int rd_dma_ok;
+
+  nfp_timeout_t wrtimeout;
+  nfp_timeout_t rdtimeout;
+
+  struct buf *wr_bp;
+  int wr_ready;
+  int rd_ready;
+  int rd_pending;
+  int rd_outstanding;
+  kcondvar_t rd_cv;
+
+  struct pollhead pollhead;
+  dev_info_t *dip;
+
+  ddi_iblock_cookie_t high_iblock_cookie; /* for mutex */
+  ddi_iblock_cookie_t low_iblock_cookie; /* for mutex */
+  kmutex_t high_mutex;
+  kmutex_t low_mutex;
+  int high_intr;
+  ddi_softintr_t soft_int_id;
+  int high_read;
+  int high_write;
+
+  ddi_iblock_cookie_t iblock_cookie; /* for mutex */
+  kmutex_t isr_mutex;
+
+  kmutex_t busy_mutex;
+  int busy;
+ 
+  ddi_acc_handle_t conf_handle;
+
+  nfp_cdev common;
+  const nfpcmd_dev *cmddev;
+} nfp_dev;
+
+extern struct nfp_dev *nfp_dev_list[];
+
+#endif /* NFP_H */
diff --git a/usr/src/uts/common/io/nfp/nfp_cmd.h b/usr/src/uts/common/io/nfp/nfp_cmd.h
new file mode 100644
index 0000000000..db8af0b2f9
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/nfp_cmd.h
@@ -0,0 +1,68 @@
+/*
+
+nfp_cmd.h: nCipher PCI HSM command driver decalrations
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+history
+
+10/10/2001 jsh  Original
+
+*/
+
+#ifndef NFPCMD_H
+#define NFPCMD_H
+
+#include "nfp_hostif.h"
+#include "nfp_error.h"
+
+/* read and write called with userspace buffer */
+
+typedef struct nfpcmd_dev {
+  const char *name;
+  unsigned short vendorid, deviceid,
+                 sub_vendorid, sub_deviceid;
+  unsigned int bar_sizes[6];    /* includes IO bit */
+  unsigned int flags;
+  nfp_err (*create)(struct nfp_cdev *pdev);
+  nfp_err (*destroy)(void * ctx);
+  nfp_err (*open)(void * ctx);
+  nfp_err (*close)(void * ctx);
+  nfp_err (*isr)(void *ctx, int *handled);
+  nfp_err (*write_block)( const char *ublock, int len, void *ctx );
+  nfp_err (*read_block)( char *ublock, int len, void *ctx, int *rcount);
+  nfp_err (*channel_update)( char *data, int len, void *ctx);
+  nfp_err (*ensure_reading)( unsigned int addr, int len, void *ctx );
+  nfp_err (*debug)( int cmd, void *ctx);
+} nfpcmd_dev;
+
+#define NFP_CMD_FLG_NEED_IOBUF	0x1
+
+/* list of all supported drivers ---------------------------------------- */
+
+extern const nfpcmd_dev *nfp_drvlist[];
+
+extern const nfpcmd_dev i21285_cmddev;
+extern const nfpcmd_dev i21555_cmddev;
+extern const nfpcmd_dev bcm5820_cmddev;
+
+#ifndef PCI_BASE_ADDRESS_SPACE_IO
+#define PCI_BASE_ADDRESS_SPACE_IO	0x1
+#endif
+
+#define NFP_MAXDEV	16
+
+
+#define NFP_MEMBAR_MASK    ~0xf
+#define NFP_IOBAR_MASK     ~0x3
+/*
+   This masks off the bottom bits of the PCI_CSR_BAR which signify that the
+   BAR is an IO BAR rather than a MEM BAR 
+*/ 
+
+#endif
+
diff --git a/usr/src/uts/common/io/nfp/nfp_common.h b/usr/src/uts/common/io/nfp/nfp_common.h
new file mode 100644
index 0000000000..d1d2100fea
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/nfp_common.h
@@ -0,0 +1,68 @@
+/*
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+*/
+
+#ifndef NFP_COMMON_H
+#define NFP_COMMON_H
+
+#include <sys/types.h>
+#include <sys/conf.h>
+
+typedef uint32_t UINT32;
+typedef uint8_t BYTE;
+
+#define DEFINE_NFPCI_PACKED_STRUCTS
+#include "nfpci.h"
+#include "nfdev-solaris.h"
+
+typedef int oserr_t;
+
+#if CH_BIGENDIAN
+
+/* Big Endian Sparc */
+
+#define SWP32(x) \
+( (((unsigned int)(x)>>24)&0xff) | (((unsigned int)(x)>>8)&0xff00) | (((unsigned int)(x)<<8)&0xff0000) | (((unsigned int)(x)<<24)&0xff000000) ) 
+
+#define SWP16(x) ( (((x)>>8)&0xff) | (((x)<<8)&0xff00) )
+
+#define FROM_LE32_IO(x)		SWP32(*x)
+#define TO_LE32_IO(x,y)		*x=SWP32(y)
+
+#define FROM_LE32_MEM(x)	SWP32(*x)
+#define TO_LE32_MEM(x,y)	*x=SWP32(y)
+
+#define FROM_LE16_IO(x)		SWP16(*x)
+#define TO_LE16_IO(x,y)		*x=SWP16(y)
+
+#else
+
+/* Little Endian x86 */
+
+#define FROM_LE32_IO(x) (*x)
+#define TO_LE32_IO(x,y) (*x=y)
+
+#define FROM_LE32_MEM(x) (*x)
+#define TO_LE32_MEM(x,y) (*x=y)
+
+#define FROM_LE16_IO(x) (*x)
+#define TO_LE16_IO(x,y) (*x=y)
+
+#endif /* !CH_BIGENDIAN */
+
+#include <sys/types.h>
+
+#if CH_KERNELVER == 260
+#define nfp_get_lbolt( lbolt, err ) err= drv_getparm( LBOLT, lbolt )
+#else
+#define nfp_get_lbolt( lbolt, err ) { *lbolt= ddi_get_lbolt(); err= 0; }
+#endif
+
+#endif
+
diff --git a/usr/src/uts/common/io/nfp/nfp_error.h b/usr/src/uts/common/io/nfp/nfp_error.h
new file mode 100644
index 0000000000..d64cb78fd4
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/nfp_error.h
@@ -0,0 +1,48 @@
+/*
+
+nfp_error.h: nCipher PCI HSM error handling
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+history
+
+05/12/2001 jsh  Original
+
+*/
+
+#ifndef NFP_ERROR_H
+#define NFP_ERROR_H
+
+#include "nfp_common.h"
+
+#define NFP_SUCCESS	0x0
+#define NFP_EFAULT      0x1
+#define NFP_ENOMEM	0x2
+#define NFP_EINVAL	0x3
+#define NFP_EIO		0x4
+#define NFP_ENXIO	0x5
+#define NFP_ENODEV	0x6
+#define NFP_EINTR	0x7
+#define NFP_ESTARTING	0x8
+#define NFP_EAGAIN	0x9
+#define NFP_EUNKNOWN	0x100
+
+typedef int nfp_err;
+
+extern oserr_t nfp_oserr( nfp_err nerr );
+extern nfp_err nfp_error( oserr_t oerr );
+
+#define nfr( x) \
+  return nfp_error((x))
+
+#define nfer(x, fn, msg) \
+  { oserr_t err=(x); if(err) { nfp_log( NFP_DBG1, #fn ": " msg); return nfp_error(err); } }
+
+#define er(x, fn, msg ) \
+{ nfp_err err=(x); if(err) { nfp_log( NFP_DBG1, #fn ": " msg); return err; } }
+
+#endif
diff --git a/usr/src/uts/common/io/nfp/nfp_hostif.h b/usr/src/uts/common/io/nfp/nfp_hostif.h
new file mode 100644
index 0000000000..3e7d8187e5
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/nfp_hostif.h
@@ -0,0 +1,54 @@
+/*
+
+nfp_hostif.h: nCipher PCI HSM host interface declarations
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+history
+
+10/10/2001 jsh  Original
+
+*/
+
+#ifndef NFP_HOSTIF_H
+#define NFP_HOSTIF_H
+
+#include "nfdev-common.h"
+
+struct nfp_dev;
+
+/* common device structure */
+
+typedef struct nfp_cdev {
+  unsigned char *bar[6];
+  void *extra[6];
+
+  int busno;
+  int slotno;
+
+  void *cmdctx;
+
+  char *iobuf;
+
+  struct nfp_dev* dev;
+
+  struct nfdev_stats_str stats;
+
+} nfp_cdev;
+
+/* callbacks from command drivers -------------------------------------- */
+
+void nfp_read_complete(  struct nfp_dev *pdev, int ok);
+void nfp_write_complete( struct nfp_dev *pdev, int ok);
+
+#define NFP_READ_MAX (8 * 1024)
+#define NFP_READBUF_SIZE (NFP_READ_MAX + 8)
+#define NFP_TIMEOUT_SEC 10
+
+#define NFP_DRVNAME "nCipher nFast PCI driver"
+
+#endif
diff --git a/usr/src/uts/common/io/nfp/nfp_ifvers.c b/usr/src/uts/common/io/nfp/nfp_ifvers.c
new file mode 100644
index 0000000000..807b4f24c5
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/nfp_ifvers.c
@@ -0,0 +1,51 @@
+/*
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+*/
+
+/*
+ * nfp_ifervs.c  - common pci interface versioning
+ *
+ * uses:
+ *
+ * int pdev->ifvers
+ *     device interface version
+ *
+ * int nfp_ifvers
+ *     interface version limit
+ * 
+ * int nfp_alloc_pci_push( nfp_dev *pdev )
+ *     allocates resources needed for PCI Push,
+ *     if not already allocated, and return True if successful
+ *
+ * void nfp_free_pci_push( nfp_dev *pdev ) {
+ *     frees any resources allocated to PCI Push
+ */
+
+void nfp_set_ifvers( nfp_dev *pdev, int vers ) {
+  if( nfp_ifvers != 0 && vers > nfp_ifvers ) {
+    nfp_log( NFP_DBG2,
+             "nfp_set_ifvers: can't set ifvers %d"
+             " as nfp_ifvers wants max ifvers %d",
+             vers, nfp_ifvers);
+    return;
+  }
+  if( vers >= NFDEV_IF_PCI_PUSH ) {
+    if(!nfp_alloc_pci_push(pdev)) {
+      nfp_log( NFP_DBG1,
+               "nfp_set_ifvers: can't set ifvers %d"
+               " as resources not available",
+               vers);
+      return;
+    }
+  } else {
+    nfp_free_pci_push(pdev);
+  }
+  pdev->ifvers= vers;
+  nfp_log( NFP_DBG3, "nfp_set_ifvers: setting ifvers %d", vers);
+}
diff --git a/usr/src/uts/common/io/nfp/nfp_osif.h b/usr/src/uts/common/io/nfp/nfp_osif.h
new file mode 100644
index 0000000000..17ffe469ce
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/nfp_osif.h
@@ -0,0 +1,105 @@
+/*
+
+nfp_osif.h: nCipher PCI HSM OS interface declarations
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+history
+
+10/10/2001 jsh  Original
+
+*/
+
+#ifndef NFP_OSIF_H
+#define NFP_OSIF_H
+
+#include "nfp_hostif.h"
+#include "nfp_error.h"
+
+/* general typedefs ----------------------------------------------- */
+
+typedef volatile unsigned int reg32;
+typedef volatile unsigned short reg16;
+typedef volatile unsigned char reg8;
+
+/* sempaphores, mutexs and events --------------------------------- */
+
+#if 0
+extern nfp_err nfp_sema_init( nfp_sema *sema, int initial);
+extern void nfp_sema_destroy( nfp_sema *sema );
+extern void nfp_sema_post( nfp_sema *sema );
+extern void nfp_sema_wait( nfp_sema *sema );
+extern int nfp_sema_wait_sig( nfp_sema *sema );
+
+extern nfp_err nfp_mutex_init( nfp_mutex *mutex );
+extern void nfp_mutex_destroy( nfp_mutex *mutex );
+extern void nfp_mutex_enter( nfp_mutex *mutex );
+extern void nfp_mutex_exit( nfp_mutex *mutex );
+
+extern nfp_err nfp_event_init( nfp_event *event );
+extern void nfp_event_destroy( nfp_event *event );
+extern void nfp_event_set( nfp_event *event );
+extern void nfp_event_clear( nfp_event *event );
+extern void nfp_event_wait( nfp_event *event );
+extern void nfp_event_wait_sig( nfp_event *event );
+
+#endif
+
+/* timeouts ------------------------------------------------------ */
+
+extern void nfp_sleep( int ms );
+
+/* memory handling ----------------------------------------------- */
+
+#define KMALLOC_DMA	0
+#define KMALLOC_CACHED	1
+
+extern void *nfp_kmalloc( int size, int flags );
+extern void *nfp_krealloc( void *ptr, int size, int flags );
+extern void nfp_kfree( void * );
+
+/* config space access ------------------------------------------------ */
+
+/* return Little Endian 32 bit config register */
+extern nfp_err nfp_config_inl( nfp_cdev *pdev, int offset, unsigned int *res );
+
+/* io space access ------------------------------------------------ */
+
+extern unsigned int nfp_inl( nfp_cdev *pdev, int bar, int offset );
+extern unsigned short nfp_inw( nfp_cdev *pdev, int bar, int offset );
+extern void nfp_outl( nfp_cdev *pdev, int bar, int offset, unsigned int data );
+extern void nfp_outw( nfp_cdev *pdev, int bar, int offset, unsigned short data );
+
+/* user and device memory space access ---------------------------- */
+
+/* NB these 2 functions are not guarenteed to be re-entrant for a given device */
+extern nfp_err nfp_copy_from_user_to_dev( nfp_cdev *cdev, int bar, int offset, const char *ubuf, int len);
+extern nfp_err nfp_copy_to_user_from_dev( nfp_cdev *cdev, int bar, int offset, char *ubuf, int len);
+
+extern nfp_err nfp_copy_from_user( char *kbuf, const char *ubuf, int len );
+extern nfp_err nfp_copy_to_user( char *ubuf, const char *kbuf, int len );
+
+extern nfp_err nfp_copy_from_dev( nfp_cdev *cdev, int bar, int offset, char *kbuf, int len );
+extern nfp_err nfp_copy_to_dev( nfp_cdev *cdev, int bar, int offset, const char *kbuf, int len);
+
+/* debug ------------------------------------------------------------ */
+
+#define NFP_DBG1	1
+#define NFP_DBGE	NFP_DBG1
+#define NFP_DBG2	2
+#define NFP_DBG3	3
+#define NFP_DBG4	4
+
+#ifdef STRANGE_VARARGS
+extern void nfp_log();
+#else
+extern void nfp_log( int severity, const char *format, ...);
+#endif
+
+extern int nfp_debug;
+
+#endif
diff --git a/usr/src/uts/common/io/nfp/nfpci.h b/usr/src/uts/common/io/nfp/nfpci.h
new file mode 100644
index 0000000000..793f5995e6
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/nfpci.h
@@ -0,0 +1,171 @@
+/*
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+*/
+
+/*
+*
+*  NFPCI.H	- nFast PCI interface definition file
+*
+*
+*
+*  1998.06.09	IH	Started
+*
+* The interface presented by nFast PCI devices consists of:
+*
+* A region of shared RAM used for data transfer & control information
+* A doorbell interrupt register, so both sides can give each other interrupts
+* A number of DMA channels for transferring data
+*/
+
+#ifndef NFPCI_H
+#define NFPCI_H
+
+/* Sizes of some regions */
+#define NFPCI_RAM_MINSIZE	0x00100000
+/* This is the minimum size of shared RAM. In future it may be possible to
+   negotiate larger sizes of shared RAM or auto-detect how big it is */
+#define NFPCI_RAM_MINSIZE_JOBS	0x00020000 /* standard jobs only */
+#define NFPCI_RAM_MINSIZE_KERN	0x00040000 /* standard and kernel jobs */
+
+/* Offsets within shared memory space.
+   The following main regions are:
+     jobs input area
+     jobs output area
+     kernel jobs input area
+     kernel output area
+*/
+
+#define NFPCI_OFFSET_JOBS		0x00000000
+#define NFPCI_OFFSET_JOBS_WR		0x00000000
+#define NFPCI_OFFSET_JOBS_RD		0x00010000
+#define NFPCI_OFFSET_KERN		0x00020000
+#define NFPCI_OFFSET_KERN_WR		0x00020000
+#define NFPCI_OFFSET_KERN_RD		0x00030000
+
+/* Interrupts, defined by bit position in doorbell register */
+
+/* Interrupts from device to host */
+#define NFAST_INT_DEVICE_WRITE_OK               0x00000001
+#define NFAST_INT_DEVICE_WRITE_FAILED           0x00000002
+#define NFAST_INT_DEVICE_READ_OK                0x00000004
+#define NFAST_INT_DEVICE_READ_FAILED            0x00000008
+#define NFAST_INT_DEVICE_KERN_WRITE_OK		0x00000010
+#define NFAST_INT_DEVICE_KERN_WRITE_FAILED	0x00000020
+#define NFAST_INT_DEVICE_KERN_READ_OK		0x00000040
+#define NFAST_INT_DEVICE_KERN_READ_FAILED	0x00000080
+
+/* Interrupts from host to device */
+#define NFAST_INT_HOST_WRITE_REQUEST            0x00010000
+#define NFAST_INT_HOST_READ_REQUEST             0x00020000
+#define NFAST_INT_HOST_DEBUG                    0x00040000
+#define NFAST_INT_HOST_KERN_WRITE_REQUEST	0x00080000
+#define NFAST_INT_HOST_KERN_READ_REQUEST	0x00100000
+
+/* Ordinary job submission ------------------------ */
+
+/* The NFPCI_OFFSET_JOBS_WR and NFPCI_OFFSET_JOBS_RD regions are defined
+   by the following (byte) address offsets... */
+
+#define NFPCI_OFFSET_CONTROL	0x0
+#define NFPCI_OFFSET_LENGTH	0x4
+#define NFPCI_OFFSET_DATA	0x8
+#define NFPCI_OFFSET_PUSH_ADDR	0x8
+
+#define NFPCI_JOBS_WR_CONTROL	(NFPCI_OFFSET_JOBS_WR + NFPCI_OFFSET_CONTROL)
+#define NFPCI_JOBS_WR_LENGTH	(NFPCI_OFFSET_JOBS_WR + NFPCI_OFFSET_LENGTH)
+#define NFPCI_JOBS_WR_DATA	(NFPCI_OFFSET_JOBS_WR + NFPCI_OFFSET_DATA)
+#define NFPCI_MAX_JOBS_WR_LEN		(0x0000FFF8)
+
+#define NFPCI_JOBS_RD_CONTROL	(NFPCI_OFFSET_JOBS_RD + NFPCI_OFFSET_CONTROL)
+#define NFPCI_JOBS_RD_LENGTH	(NFPCI_OFFSET_JOBS_RD + NFPCI_OFFSET_LENGTH)
+#define NFPCI_JOBS_RD_DATA	(NFPCI_OFFSET_JOBS_RD + NFPCI_OFFSET_DATA)
+/* address in PCI space of host buffer for NFPCI_JOB_CONTROL_PCI_PUSH */
+#define NFPCI_JOBS_RD_PUSH_ADDR	(NFPCI_OFFSET_JOBS_RD + NFPCI_OFFSET_PUSH_ADDR)
+#define NFPCI_MAX_JOBS_RD_LEN		(0x000FFF8)
+
+/* Kernel inferface job submission ---------------- */
+
+#define NFPCI_KERN_WR_CONTROL   (NFPCI_OFFSET_KERN_WR + NFPCI_OFFSET_CONTROL)
+#define NFPCI_KERN_WR_LENGTH    (NFPCI_OFFSET_KERN_WR + NFPCI_OFFSET_LENGTH)
+#define NFPCI_KERN_WR_DATA      (NFPCI_OFFSET_KERN_WR + NFPCI_OFFSET_DATA)
+#define NFPCI_MAX_KERN_WR_LEN      (0x0000FFF8)
+
+#define NFPCI_KERN_RD_CONTROL   (NFPCI_OFFSET_KERN_RD + NFPCI_OFFSET_CONTROL)
+#define NFPCI_KERN_RD_LENGTH    (NFPCI_OFFSET_KERN_RD + NFPCI_OFFSET_LENGTH)
+#define NFPCI_KERN_RD_DATA      (NFPCI_OFFSET_KERN_RD + NFPCI_OFFSET_DATA)
+/* address in PCI space of host buffer for NFPCI_JOB_CONTROL_PCI_PUSH */
+#define NFPCI_KERN_RD_ADDR      (NFPCI_OFFSET_KERN_RD + NFPCI_OFFSET_PUSH_ADDR)
+#define NFPCI_MAX_KERN_RD_LEN		(0x000FFF8)
+
+#ifdef DEFINE_NFPCI_PACKED_STRUCTS
+typedef struct
+{
+  UINT32	controlword;
+  UINT32	length;		/* length of data to follow */
+  union {
+    BYTE	data[1];
+    UINT32	addr;
+  } uu;
+}
+  NFPCI_JOBS_BLOCK;
+#endif
+
+
+#define NFPCI_JOB_CONTROL		0x00000001
+#define NFPCI_JOB_CONTROL_PCI_PUSH	0x00000002
+/*
+   The 'Control' word is analogous to the SCSI read/write address;
+   1 = standard push/pull IO
+   2 = push/push IO
+
+   To submit a block of job data, the host:
+   - sets the (32-bit, little-endian) word at NFPCI_JOBS_WR_CONTROL to NFPCI_JOB_CONTROL
+   - sets the word at NFPCI_JOBS_WR_LENGTH to the length of the data
+   - copies the data to NFPCI_JOBS_WR_DATA
+   - sets interrupt NFAST_INT_HOST_WRITE_REQUEST in the doorbell register
+   - awaits the NFAST_INT_DEVICE_WRITE_OK (or _FAILED) interrupts back
+
+   To read a block of jobs back, the host:
+   - sets the word at NFPCI_JOBS_RD_CONTROL to NFPCI_JOB_CONTROL
+   - sets the word at NFPCI_JOBS_RD_LENGTH to the max length for returned data
+   - sets interrupt NFAST_INT_HOST_READ_REQUEST
+   - awaits the NFAST_INT_DEVICE_READ_OK (or _FAILED) interrupt
+   - reads the data from NFPCI_JOBS_RD_DATA; the module will set the word at
+	NFPCI_JOBS_RD_LENGTH to its actual length.
+
+   Optionally the host can request the PCI read data to be pushed to host PCI mapped ram:
+   - allocates a contiguous PCI addressable buffer for a NFPCI_JOBS_BLOCK of max
+        size NFPCI_MAX_JOBS_RD_LEN (or NFPCI_MAX_KERN_RD_LEN) + 8
+   - sets the word at NFPCI_JOBS_RD_CONTROL to NFPCI_JOB_CONTROL_PCI_PUSH
+   - sets the word at NFPCI_JOBS_RD_LENGTH to the max length for returned data
+   - sets the word at NFPCI_JOBS_RD_PUSH_ADDR to be the host PCI address of
+        the buffer
+   - sets interrupt NFAST_INT_HOST_READ_REQUEST
+   - awaits the NFAST_INT_DEVICE_READ_OK (or _FAILED) interrupt
+   - reads the data from the buffer at NFPCI_OFFSET_DATA in the buffer.  The
+        module will set NFPCI_OFFSET_LENGTH to the actual length.
+*/
+
+#define NFPCI_SCRATCH_CONTROL       0
+
+#define NFPCI_SCRATCH_CONTROL_HOST_MOI   (1<<0)
+#define NFPCI_SCRATCH_CONTROL_MODE_SHIFT 1
+#define NFPCI_SCRATCH_CONTROL_MODE_MASK  (3<<NFPCI_SCRATCH_CONTROL_MODE_SHIFT)
+
+#define NFPCI_SCRATCH_STATUS        1
+
+#define NFPCI_SCRATCH_STATUS_MONITOR_MOI         (1<<0)
+#define NFPCI_SCRATCH_STATUS_APPLICATION_MOI     (1<<1)
+#define NFPCI_SCRATCH_STATUS_APPLICATION_RUNNING (1<<2)
+#define NFPCI_SCRATCH_STATUS_ERROR               (1<<3)
+
+#define NFPCI_SCRATCH_ERROR_LO      2
+#define NFPCI_SCRATCH_ERROR_HI      3
+
+#endif
diff --git a/usr/src/uts/common/io/nfp/osif.c b/usr/src/uts/common/io/nfp/osif.c
new file mode 100644
index 0000000000..fba62f9a37
--- /dev/null
+++ b/usr/src/uts/common/io/nfp/osif.c
@@ -0,0 +1,184 @@
+/*
+
+(C) Copyright nCipher Corporation Ltd 2002-2008 All rights reserved
+
+Copyright (c) 2008-2013 Thales e-Security All rights reserved
+
+Copyright (c) 2014 Thales UK All rights reserved
+
+*/
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/errno.h>
+#include <sys/file.h>
+#include <sys/conf.h>
+#include <sys/uio.h>
+#include <sys/map.h>
+#include <sys/debug.h>
+#include <sys/modctl.h>
+#include <sys/kmem.h>
+#include <sys/cmn_err.h>
+#include <sys/open.h>
+#include <sys/stat.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/pci.h>
+
+#include "nfp_common.h"
+#include "nfp_hostif.h"
+#include "nfp_error.h"
+#include "nfp_osif.h"
+#include "nfp_cmd.h"
+#include "nfp.h"
+#include "autoversion.h"
+
+/* config space access ---------------------------------- */
+
+nfp_err nfp_config_inl( nfp_cdev *pdev, int offset, unsigned int *res ) {
+  unsigned int tmp32;
+  if ( !pdev || !pdev->dev || !pdev->dev->conf_handle )
+    return NFP_ENODEV;
+
+/* pci_config_get32() does byte swapping, so put back to LE */
+  tmp32 = pci_config_get32( pdev->dev->conf_handle, offset );
+  TO_LE32_IO(res, tmp32);
+
+  return NFP_SUCCESS;
+}
+
+/* user space memory access ---------------------------------- */
+
+nfp_err nfp_copy_from_user( char *kbuf, const char *ubuf, int len) {
+  bcopy(ubuf, kbuf, len);
+  return 0;
+}
+
+nfp_err nfp_copy_to_user( char *ubuf, const char *kbuf, int len) {
+  bcopy(kbuf, ubuf, len);
+  return 0;
+}
+
+nfp_err nfp_copy_from_user_to_dev( nfp_cdev *cdev, int bar, int offset, const char *ubuf, int len) {
+  /* dirty hack on Solaris, as we are called from strategy we are, in fact, copying from kernel mem */
+  return nfp_copy_to_dev( cdev, bar, offset, ubuf, len );
+}
+
+nfp_err nfp_copy_to_user_from_dev( nfp_cdev *cdev, int bar, int offset, char *ubuf, int len) {
+  /* dirty hack on Solaris, as we are called from strategy we are, in fact, copying to kernel mem */
+  return nfp_copy_from_dev( cdev, bar, offset, ubuf, len );
+}
+
+nfp_err nfp_copy_from_dev( nfp_cdev *cdev, int bar, int offset, char *kbuf, int len) {
+  if( len & 0x3 || offset & 0x3 )
+    DDI_REP_GET8( cdev->extra[bar], (unsigned char *)kbuf, cdev->bar[bar] + offset, len, DDI_DEV_AUTOINCR);
+  else
+    /* LINTED: alignment */
+    DDI_REP_GET32( cdev->extra[bar], (unsigned int *)kbuf, (unsigned int *)(cdev->bar[bar] + offset), len / 4, DDI_DEV_AUTOINCR);
+  return NFP_SUCCESS;
+}
+
+nfp_err nfp_copy_to_dev( nfp_cdev *cdev, int bar, int offset, const char *kbuf, int len) {
+  if( len & 0x3 || offset & 0x3 )
+    DDI_REP_PUT8( cdev->extra[bar], (unsigned char *)kbuf, cdev->bar[bar] + offset, len, DDI_DEV_AUTOINCR );
+  else
+    /* LINTED: alignment */
+    DDI_REP_PUT32( cdev->extra[bar], (unsigned int *)kbuf, (unsigned int *)(cdev->bar[bar] + offset), len / 4, DDI_DEV_AUTOINCR );
+  return NFP_SUCCESS;
+}
+
+/* pci io space access --------------------------------------- */
+
+unsigned int nfp_inl( nfp_cdev *pdev, int bar, int offset ) {
+  nfp_log( NFP_DBG3, "nfp_inl: addr %x", (uintptr_t) pdev->bar[bar] + offset);
+  /* LINTED: alignment */
+  return DDI_GET32( pdev->extra[bar], (uint32_t *)(pdev->bar[bar] + offset) );
+}
+
+unsigned short nfp_inw( nfp_cdev *pdev, int bar, int offset ) {
+  nfp_log( NFP_DBG3, "nfp_inw: addr %x", (uintptr_t) pdev->bar[bar] + offset);
+  /* LINTED: alignment */
+  return DDI_GET16( pdev->extra[bar], (unsigned short *)(pdev->bar[ bar ] + offset) );
+}
+
+void nfp_outl( nfp_cdev *pdev, int bar, int offset, unsigned int data ) {
+  nfp_log( NFP_DBG3, "nfp_outl: addr %x, data %x", (uintptr_t) pdev->bar[bar] + offset, data);
+  /* LINTED: alignment */
+  DDI_PUT32( pdev->extra[bar], (uint32_t *)(pdev->bar[ bar ] + offset), data ); 
+}
+
+void nfp_outw( nfp_cdev *pdev, int bar, int offset, unsigned short data ) {
+  nfp_log( NFP_DBG3, "nfp_outl: addr %x, data %x", (uintptr_t) pdev->bar[bar] + offset, data);
+  /* LINTED: alignment */
+  DDI_PUT16( pdev->extra[bar], (unsigned short *)(pdev->bar[ bar ] + offset), data ); 
+}
+
+/* logging ---------------------------------------------------- */
+
+void nfp_log( int level, const char *fmt, ...)
+{
+  auto char buf[256];
+  va_list ap;
+
+  switch (level) {
+  case NFP_DBG4: if (nfp_debug < 4) break;
+  /*FALLTHROUGH*/
+  case NFP_DBG3: if (nfp_debug < 3) break;
+  /*FALLTHROUGH*/
+  case NFP_DBG2: if (nfp_debug < 2) break;
+  /*FALLTHROUGH*/
+  case NFP_DBG1: if (nfp_debug < 1) break;
+  /*FALLTHROUGH*/
+  default:
+    va_start(ap, fmt);
+    (void) vsnprintf(buf, 256, fmt, ap);
+    va_end(ap);
+    cmn_err(CE_CONT, "!" VERSION_COMPNAME " " VERSION_NO ": %s\n", buf);
+    break;
+  }
+}
+
+struct errstr {
+  int oserr;
+  nfp_err nferr;
+};
+
+
+static struct errstr errtab[] = {
+  { EFAULT, NFP_EFAULT },
+  { ENOMEM, NFP_ENOMEM },
+  { EINVAL, NFP_EINVAL },
+  { EIO,    NFP_EIO    },
+  { ENXIO,  NFP_ENXIO  },
+  { ENODEV, NFP_ENODEV  },
+  { EINVAL, NFP_EUNKNOWN },
+  { 0, 0 }
+};
+
+nfp_err nfp_error( int oserr )
+{
+  struct errstr *perr;
+  if(!oserr)
+    return 0;
+  perr= errtab;
+  while(perr->nferr) {
+   if(perr->oserr == oserr)
+     return perr->nferr;
+   perr++;
+  }
+  return NFP_EUNKNOWN;
+}
+
+int nfp_oserr( nfp_err nferr )
+{
+  struct errstr *perr;
+  if(nferr == NFP_SUCCESS)
+    return 0;
+  perr= errtab;
+  while(perr->nferr) {
+   if(perr->nferr == nferr)
+     return perr->oserr;
+   perr++;
+  }
+  return EIO;
+}
diff --git a/usr/src/uts/common/io/overlay/overlay.c b/usr/src/uts/common/io/overlay/overlay.c
new file mode 100644
index 0000000000..78bc418548
--- /dev/null
+++ b/usr/src/uts/common/io/overlay/overlay.c
@@ -0,0 +1,2172 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * Overlay Devices
+ *
+ * Overlay devices provide a means for creating overlay networks, a means of
+ * multiplexing multiple logical, isolated, and discrete layer two and layer
+ * three networks on top of one physical network.
+ *
+ * In general, these overlay devices encapsulate the logic to answer two
+ * different questions:
+ *
+ *   1) How should I transform a packet to put it on the wire?
+ *   2) Where should I send a transformed packet?
+ *
+ * Each overlay device is presented to the user as a GLDv3 device. While the
+ * link itself cannot have an IP interface created on top of it, it allows for
+ * additional GLDv3 devices, such as a VNIC, to be created on top of it which
+ * can be plumbed up with IP interfaces.
+ *
+ *
+ * --------------------
+ * General Architecture
+ * --------------------
+ *
+ * The logical overlay device that a user sees in dladm(1M) is a combination of
+ * two different components that work together. The first component is this
+ * kernel module, which is responsible for answering question one -- how should
+ * I transform a packet to put it on the wire.
+ *
+ * The second component is what we call the virtual ARP daemon, or varpd. It is
+ * a userland component that is responsible for answering the second question --
+ * Where should I send a transformed packet. Instances of the kernel overlay
+ * GLDv3 device ask varpd the question of where should a packet go.
+ *
+ * The split was done for a few reasons. Importantly, we wanted to keep the act
+ * of generating encapsulated packets in the kernel so as to ensure that the
+ * general data path was fast and also kept simple. On the flip side, while the
+ * question of where should something go may be simple, it may often be
+ * complicated and need to interface with several different external or
+ * distributed systems. In those cases, it's simpler to allow for the full
+ * flexibility of userland to be brought to bear to solve that problem and in
+ * general, the path isn't very common.
+ *
+ * The following is what makes up the logical overlay device that a user would
+ * create with dladm(1M).
+ *
+ *       Kernel                                     Userland
+ *   . . . . . . . . . . . . . . . . . . . . .   . . . . . . . . . . . . .
+ *   . +--------+   +--------+  +--------+   .   .                       .
+ *   . | VNIC 0 |   | VNIC 1 |  | VNIC 2 |   .   .                       .
+ *   . +--------+   +--------+  +--------+   .   .                       .
+ *   .     |            |           |        .   .                       .
+ *   .     |            |           |        .   .                       .
+ *   .     +------------+-----------+        .   .                       .
+ *   .                  |              . . /dev/overlay                  .
+ *   .           +--------------+      .     .   .       +------------+  .
+ *   .           |              |      .     .   .       |            |  .
+ *   .           |    Overlay   |======*=================|   Virtual  |  .
+ *   .           | GLDv3 Device |========================| ARP Daemon |  .
+ *   .           |              |            .   .       |            |  .
+ *   .           +--------------+            .   .       +------------+  .
+ *   .                  |                    .   .              |        .
+ *   .                  |                    .   .              |        .
+ *   .           +----------------+          .   .         +--------+    .
+ *   .           |  Overlay       |          .   .         | varpd  |    .
+ *   .           |  Encapsulation |          .   .         | Lookup |    .
+ *   .           |  Plugin        |          .   .         | Plugin |    .
+ *   .           +----------------+          .   .         +--------+    .
+ *   . . . . . . . . . . . . . . . . . . . . .   . . . . . . . . . . . . .
+ *
+ *
+ * This image shows the two different components and where they live.
+ * Importantly, it also shows that both the kernel overlay device and the
+ * userland varpd both support plugins. The plugins actually implement the
+ * things that users care about and the APIs have been designed to try to
+ * minimize the amount of things that a module writer needs to worry about it.
+ *
+ * IDENTIFIERS
+ *
+ * Every overlay device is defined by a unique identifier which is the overlay
+ * identifier. Its purpose is similar to that of a VLAN identifier, it's a
+ * unique number that is used to differentiate between different entries on the
+ * wire.
+ *
+ * ENCAPSULATION
+ *
+ * An overlay encapsulation plugin is a kernel miscellaneous module whose
+ * purpose is to contain knowledge about how to transform packets to put them
+ * onto the wire and to take them off. An example of an encapsulation plugin is
+ * vxlan. It's also how support for things like nvgre or geneve would be brought
+ * into the system.
+ *
+ * Each encapsulation plugins defines a series of operation vectors and
+ * properties. For the full details on everything they should provide, please
+ * read uts/common/sys/overlay_plugin.h. The encapsulation plugin is responsible
+ * for telling the system what information is required to send a packet. For
+ * example, vxlan is defined to send everything over a UDP packet and therefore
+ * requires a port and an IP address, while nvgre on the other hand is its own
+ * IP type and therefore just requires an IP address. In addition, it also
+ * provides information about the kind of socket that should be created. This is
+ * used by the kernel multiplexor, more of that in the Kernel Components
+ * section.
+ *
+ * LOOKUPS
+ *
+ * The kernel communicates requests for lookups over the character device
+ * /dev/overlay. varpd is responsible for listening for requests on that device
+ * and answering them. The character device is specific to the target path and
+ * varpd.
+ *
+ * Much as the kernel overlay module handles the bulk of the scaffolding but
+ * leaves the important work to the encapsulation plugin, varpd provides a
+ * similar role and leaves the full brunt of lookups to a userland dynamic
+ * shared object which implements the logic of lookups.
+ *
+ * Each lookup plugin defines a series of operation vectors and properties. For
+ * the full details on everything that they should provide, please read
+ * lib/varpd/libvarpd/libvarpd_provider.h. Essentially, they are given a MAC
+ * address and asked to give an address on the physical network that it should
+ * be sent to. In addition, they handle questions related to how to handle
+ * things like broadcast and multicast traffic, etc.
+ *
+ * ----------
+ * Properties
+ * ----------
+ *
+ * A device from a dladm perspective has a unique set of properties that are
+ * combined from three different sources:
+ *
+ *   1) Generic properties that every overlay device has
+ *   2) Properties that are specific to the encapsulation plugin
+ *   3) Properties that are specific to the lookup plugin
+ *
+ * All of these are exposed in a single set of properties in dladm. Note that
+ * these are not necessarily traditional link properties. However, if something
+ * is both a traditional GLDv3 link property, say the MTU of a device, and a
+ * specific property here, than the driver ensures that all existing GLDv3
+ * specific means of manipulating it are used and wraps up its private property
+ * interfaces to ensure that works.
+ *
+ * Properties in the second and third category are prefixed with the name of
+ * their module. For example, the vxlan encapsulation module has a property
+ * called the 'listen_ip'. This property would show up in dladm as
+ * 'vxlan/listen_ip'. This allows different plugins to both use similar names
+ * for similar properties and to also have independent name spaces so that
+ * overlapping names do not conflict with anything else.
+ *
+ * While the kernel combines both sets one and two into a single coherent view,
+ * it does not do anything with respect to the properties that are owned by the
+ * lookup plugin -- those are owned wholly by varpd. Instead, libdladm is in
+ * charge of bridging these two worlds into one magical experience for the user.
+ * It carries the burden of knowing about both overlay specific and varpd
+ * specific properties. Importantly, we want to maintain this distinction. We
+ * don't want to treat the kernel as an arbitrary key/value store for varpd and
+ * we want the kernel to own its own data and not have to ask userland for
+ * information that it owns.
+ *
+ * Every property in the system has the following attributes:
+ *
+ *   o A name
+ *   o A type
+ *   o A size
+ *   o Permissions
+ *   o Default value
+ *   o Valid value ranges
+ *   o A value
+ *
+ * Everything except for the value is obtained by callers through the propinfo
+ * callbacks and a property has a maximum size of OVERLAY_PROP_SIZEMAX,
+ * currently 256 bytes.
+ *
+ * The following are the supported types of properties:
+ *
+ * 	OVERLAY_PROP_T_INT
+ *
+ * 		A signed integer, its length is 8 bytes, corresponding to a
+ * 		int64_t.
+ *
+ * 	OVERLAY_PROP_T_UINT
+ *
+ * 		An unsigned integer, its length is 8 bytes, corresponding to a
+ * 		uint64_t.
+ *
+ * 	OVERLAY_PROP_T_IP
+ *
+ * 		A struct in6_addr, it has a fixed size.
+ *
+ * 	OVERLAY_PROP_T_STRING
+ *
+ * 		A null-terminated character string encoded in either ASCII or
+ * 		UTF-8. Note that the size of the string includes the null
+ * 		terminator.
+ *
+ * The next thing that we apply to a property is its permission. The permissions
+ * are put together by the bitwise or of the following flags and values.
+ *
+ * 	OVERLAY_PROP_PERM_REQ
+ *
+ * 		This indicates a required property. A property that is required
+ * 		must be set by a consumer before the device can be created. If a
+ * 		required property has a default property, this constraint is
+ * 		loosened because the default property defines the value.
+ *
+ * 	OVERLAY_PORP_PERM_READ
+ *
+ * 		This indicates that a property can be read. All properties will
+ * 		have this value set.
+ *
+ * 	OVERLAY_PROP_PERM_WRITE
+ *
+ * 		This indicates that a property can be written to and thus
+ * 		updated by userland. Properties that are only intended to
+ * 		display information, will not have OVERLAY_PROP_PERM_WRITE set.
+ *
+ * In addition, a few additional values are defined as a convenience to
+ * consumers. The first, OVERLAY_PROP_PERM_RW, is a combination of
+ * OVERLAY_PROP_PERM_READ and OVERLAY_PERM_PROP_WRITE. The second,
+ * OVERLAY_PROP_PERM_RRW, is a combination of OVERLAY_PROP_PERM_REQ,
+ * OVERLAY_PROP_PERM_READ, and OVERLAY_PROP_PERM_WRITE. The protection mode of a
+ * property should generally be a constant across its lifetime.
+ *
+ * A property may optionally have a default value. If it does have a default
+ * value, and that property is not set to be a different value, then the default
+ * value is inherited automatically. It also means that if the default value is
+ * acceptable, there is no need to set the value for a required property. For
+ * example, the vxlan module has the vxlan/listen_port property which is
+ * required, but has a default value of 4789 (the IANA assigned port). Because
+ * of that default value, there is no need for it to be set.
+ *
+ * Finally, a property may declare a list of valid values. These valid values
+ * are used for display purposes, they are not enforced by the broader system,
+ * but merely allow a means for the information to be communicated to the user
+ * through dladm(1M). Like a default value, this is optional.
+ *
+ * The general scaffolding does not do very much with respect to the getting and
+ * setting of properties. That is really owned by the individual plugins
+ * themselves.
+ *
+ * -----------------------------
+ * Destinations and Plugin Types
+ * -----------------------------
+ *
+ * Both encapsulation and lookup plugins define the kinds of destinations that
+ * they know how to support. There are three different pieces of information
+ * that can be used to address to a destination currently, all of which is
+ * summarized in the type overlay_point_t. Any combination of these is
+ * supported.
+ *
+ * 	OVERLAY_PLUGIN_D_ETHERNET
+ *
+ * 		An Ethernet MAC address is required.
+ *
+ * 	OVERLAY_PLUGIN_D_IP
+ *
+ * 		An IP address is required. All IP addresses used by the overlay
+ * 		system are transmitted as IPv6 addresses. IPv4 addresses can be
+ * 		represented by using IPv4-mapped IPv6 addresses.
+ *
+ * 	OVERLAY_PLUGIN_D_PORT
+ *
+ * 		A TCP/UDP port is required.
+ *
+ * A kernel encapsulation plugin declares which of these that it requires, it's
+ * a static set. On the other hand, a userland lookup plugin can be built to
+ * support all of these or any combination thereof. It gets passed the required
+ * destination type, based on the kernel encapsulation method, and then it makes
+ * the determination as to whether or not it supports it. For example, the
+ * direct plugin can support either an IP or both an IP and a port, it simply
+ * doesn't display the direct/dest_port property in the cases where a port is
+ * not required to support this.
+ *
+ * The user lookup plugins have two different modes of operation which
+ * determines how they interact with the broader system and how look ups are
+ * performed. These types are:
+ *
+ * 	OVERLAY_TARGET_POINT
+ *
+ * 		A point to point plugin has a single static definition for where
+ * 		to send all traffic. Every packet in the system always gets sent
+ * 		to the exact same destination which is programmed into the
+ * 		kernel when the general device is activated.
+ *
+ * 	OVERLAY_TARGET_DYNAMIC
+ *
+ * 		A dynamic plugin does not have a single static definition.
+ * 		Instead, for each destination, the kernel makes an asynchronous
+ * 		request to varpd to determine where the packet should be routed,
+ * 		and if a specific destination is found, then that destination is
+ * 		cached in the overlay device's target cache.
+ *
+ * This distinction, while important for the general overlay device's operation,
+ * is not important to the encapsulation plugins. They don't need to know about
+ * any of these pieces. It's just a concern for varpd, the userland plugin, and
+ * the general overlay scaffolding.
+ *
+ * When an overlay device is set to OVERLAY_TARGET_POINT, then it does not
+ * maintain a target cache, and instead just keeps track of the destination and
+ * always sends encapsulated packets to that address. When the target type is of
+ * OVERLAY_TARGET_DYNAMIC, then the kernel maintains a cache of all such
+ * destinations. These destinations are kept around in an instance of a
+ * reference hash that is specific to the given overlay device. Entries in the
+ * cache can be invalidated and replaced by varpd and its lookup plugins.
+ *
+ * ----------------------------------
+ * Kernel Components and Architecture
+ * ----------------------------------
+ *
+ * There are multiple pieces inside the kernel that work together, there is the
+ * general overlay_dev_t structure, which is the logical GLDv3 device, but it
+ * itself has references to things like an instance of an encapsulation plugin,
+ * a pointer to a mux and a target cache. It can roughly be summarized in the
+ * following image:
+ *
+ *     +------------------+
+ *     | global           |
+ *     | overlay list     |
+ *     | overlay_dev_list |
+ *     +------------------+
+ *        |
+ *        |  +-----------------------+            +---------------+
+ *        +->| GLDv3 Device          |----------->| GLDv3 Device  | -> ...
+ *           | overlay_dev_t         |            | overlay_dev_t |
+ *           |                       |            +---------------+
+ *           |                       |
+ *           | mac_handle_t     -----+---> GLDv3 handle to MAC
+ *           | datalink_id_t    -----+---> Datalink ID used by DLS
+ *           | overlay_dev_flag_t ---+---> Device state
+ *           | uint_t           -----+---> Curent device MTU
+ *           | uint_t           -----+---> In-progress RX operations
+ *           | uint_t           -----+---> In-progress TX operations
+ *           | char[]           -----+---> FMA degraded message
+ *           | void *           -----+---> plugin private data
+ *           | overlay_target_t * ---+---------------------+
+ *           | overlay_plugin_t * ---+---------+           |
+ *           +-----------------------+         |           |
+ *                           ^                 |           |
+ *   +--------------------+  |                 |           |
+ *   | Kernel Socket      |  |                 |           |
+ *   | Multiplexor        |  |                 |           |
+ *   | overlay_mux_t      |  |                 |           |
+ *   |                    |  |                 |           |
+ *   | avl_tree_t        -+--+                 |           |
+ *   | uint_t            -+--> socket family   |           |
+ *   | uint_t            -+--> socket type     |           |
+ *   | uint_t            -+--> socket protocol |           |
+ *   | ksocket_t         -+--> I/O socket      |           |
+ *   | struct sockaddr * -+--> ksocket address |           |
+ *   | overlay_plugin_t --+--------+           |           |
+ *   +--------------------+        |           |           |
+ *                                 |           |           |
+ *   +-------------------------+   |           |           |
+ *   | Encap Plugin            |<--+-----------+           |
+ *   | overlay_plugin_t        |                           |
+ *   |                         |                           |
+ *   | char *               ---+--> plugin name            |
+ *   | overlay_plugin_ops_t * -+--> plugin downcalls       |
+ *   | char ** (props)      ---+--> property list          |
+ *   | uint_t               ---+--> id length              |
+ *   | overlay_plugin_flags_t -+--> plugin flags           |
+ *   | overlay_plugin_dest_t --+--> destination type       v
+ *   +-------------------------+                    +-------------------------+
+ *                                                  |   Target Cache          |
+ *                                                  |   overlay_target_t      |
+ *                                                  |                         |
+ *                                    cache mode <--+- overlay_target_mode_t  |
+ *                                     dest type <--+- overlay_plugin_dest_t  |
+ *                                   cache flags <--+- overlay_target_flag_t  |
+ *                                     varpd id  <--+- uint64_t               |
+ *                       outstanding varpd reqs. <--+- uint_t                 |
+ *                   OVERLAY_TARGET_POINT state  <--+- overlay_target_point_t |
+ *               OVERLAY_TARGET_DYNAMIC state <-+---+- overlay_target_dyn_t   |
+ *                                              |   +-------------------------+
+ *                      +-----------------------+
+ *                      |
+ *                      v
+ *   +-------------------------------+   +------------------------+
+ *   | Target Entry                  |-->| Target Entry           |--> ...
+ *   | overlay_target_entry_t        |   | overlay_target_entry_t |
+ *   |                               |   +------------------------+
+ *   |                               |
+ *   | overlay_target_entry_flags_t -+--> Entry flags
+ *   | uint8_t[ETHERADDRL]        ---+--> Target MAC address
+ *   | overlay_target_point_t     ---+--> Target underlay address
+ *   | mblk_t *                   ---+--> outstanding mblk head
+ *   | mblk_t *                   ---+--> outstanding mblk tail
+ *   | size_t                     ---+--> outstanding mblk size
+ *   +-------------------------------+
+ *
+ * The primary entries that we care about are the overlay_dev_t, which
+ * correspond to each overlay device that is created with dladm(1M). Globally,
+ * these devices are maintained in a simple list_t which is protected with a
+ * lock.  Hence, these include important information such as the mac_handle_t
+ * and a datalink_id_t which is used to interact with the broader MAC and DLS
+ * ecosystem. We also maintain additional information such as the current state,
+ * outstanding operations, the mtu, and importantly, the plugin's private data.
+ * This is the instance of an encapsulation plugin that gets created as part of
+ * creating an overlay device. Another aspect of this is that the overlay_dev_t
+ * also includes information with respect to FMA. For more information, see the
+ * FMA section.
+ *
+ * Each overlay_dev_t has a pointer to a plugin, a mux, and a target. The plugin
+ * is the encapsulation plugin. This allows the device to make downcalls into it
+ * based on doing things like getting and setting properties. Otherwise, the
+ * plugin itself is a fairly straightforward entity. They are maintained in an
+ * (not pictured above) list. The plugins themselves mostly maintain things like
+ * the static list of properties, what kind of destination they require, and the
+ * operations vector. A given module may contain more if necessary.
+ *
+ * The next piece of the puzzle is the mux, or a multiplexor. The mux itself
+ * maintains a ksocket and it is through the mux that we send and receive
+ * message blocks. The mux represents a socket type and address, as well as a
+ * plugin. Multiple overlay_dev_t devices may then share the same mux. For
+ * example, consider the case where you have different instances of vxlan all on
+ * the same underlay network. These would all logically share the same IP
+ * address and port that packets are sent and received on; however, what differs
+ * is the decapuslation ID.
+ *
+ * Each mux maintains a ksocket_t which is similar to a socket(3SOCKET). Unlike
+ * a socket, we enable a direct callback on the ksocket. This means that
+ * whenever a message block chain is received, rather than sitting there and
+ * getting a callback in a context and kicking that back out to a taskq. Instead
+ * data comes into the callback function overlay_mux_recv().
+ *
+ * The mux is given encapsulated packets (via overlay_m_tx, the GLDv3 tx
+ * function) to transmit. It receives encapsulated packets, decapsulates them to
+ * determine the overlay identifier, looks up the given device that matches that
+ * identifier, and then causes the broader MAC world to receive the packet with
+ * a call to mac_rx().
+ *
+ * Today, we don't do too much that's special with the ksocket; however, as
+ * hardware is gaining understanding for these encapuslation protocols, we'll
+ * probably want to think of better ways to get those capabilities passed down
+ * and potentially better ways to program receive filters so they get directly
+ * to us. Though, that's all fantasy future land.
+ *
+ * The next part of the puzzle is the target cache. The purpose of the target
+ * cache is to cache where we should send a packet on the underlay network,
+ * given its mac address. The target cache operates in two modes depending on
+ * whether the lookup module was declared to OVERLAY_TARGET_POINT or
+ * OVERLAY_TARGET_DYANMIC.
+ *
+ * In the case where the target cache has been programmed to be
+ * OVERLAY_TARGET_POINT, then we only maintain a single overlay_target_point_t
+ * which has the destination that we send everything, no matter the destination
+ * mac address.
+ *
+ * On the other hand, when we have an instance of OVERLAY_TARGET_DYNAMIC, things
+ * are much more interesting and as a result, more complicated. We primarily
+ * store lists of overlay_target_entry_t's which are stored in both an avl tree
+ * and a refhash_t. The primary look up path uses the refhash_t and the avl tree
+ * is only used for a few of the target ioctls used to dump data such that we
+ * can get a consistent iteration order for things like dladm show-overlay -t.
+ * The key that we use for the reference hashtable is based on the mac address
+ * in the cache and currently we just do a simple CRC32 to transform it into a
+ * hash.
+ *
+ * Each entry maintains a set of flags to indicate the current status of the
+ * request. The flags may indicate one of three states: that current cache entry
+ * is valid, that the current cache entry has been directed to drop all output,
+ * and that the current cache entry is invalid and may be being looked up. In
+ * the case where it's valid, we just take the destination address and run with
+ * it.
+ *
+ * If it's invalid and a lookup has not been made, then we start the process
+ * that prepares a query that will make its way up to varpd. The cache entry
+ * entry maintains a message block chain of outstanding message blocks and a
+ * size. These lists are populated only when we don't know the answer as to
+ * where should these be sent. The size entry is used to cap the amount of
+ * outstanding data that we don't know the answer to. If we exceed a cap on the
+ * amount of outstanding data (currently 1 Mb), then we'll drop any additional
+ * packets. Once we get an answer indicating a valid destination, we transmit
+ * any outstanding data to that place. For the full story on how we look that up
+ * will be discussed in the section on the Target Cache Lifecycle.
+ *
+ * ------------------------
+ * FMA and Degraded Devices
+ * ------------------------
+ *
+ * Every kernel overlay device keeps track of its FMA state. Today in FMA we
+ * cannot represent partitions between resources nor can we represent that a
+ * given minor node of a psuedo device has failed -- if we degrade the overlay
+ * device, then the entire dev_info_t is degraded. However, we still want to be
+ * able to indicate to administrators that things may go wrong.
+ *
+ * To this end, we've added a notion of a degraded state to every overlay
+ * device. This state is primarily dictated by userland and it can happen for
+ * various reasons. Generally, because a userland lookup plugin has been
+ * partitioned, or something has gone wrong such that there is no longer any
+ * userland lookup module for a device, then we'll mark it degraded.
+ *
+ * As long as any of our minor instances is degraded, then we'll fire off the
+ * FMA event to note that. Once the last degraded instance is no longer
+ * degraded, then we'll end up telling FMA that we're all clean.
+ *
+ * To help administrators get a better sense of which of the various minor
+ * devices is wrong, we store the odd_fmamsg[] character array. This character
+ * array can be fetched with doing a dladm show-overlay -f.
+ *
+ * When an overlay device is degraded, we update the link status of a device to
+ * ensure that dladm and other tooling that is trying to check the link status
+ * note that it is down due to this error.
+ *
+ * -----------------------
+ * Target Cache Life Cycle
+ * -----------------------
+ *
+ * This section only applies when we have a lookup plugin of
+ * OVERLAY_TARGET_DYNAMIC. None of this applies to those of type
+ * OVERLAY_TARGET_POINT.
+ *
+ * While we got into the target cache in the general architecture section, it's
+ * worth going into more details as to how this actually works and showing some
+ * examples and state machines. Recall that a target cache entry basically has
+ * the following state transition diagram:
+ *
+ * Initial state
+ *    . . .           . . . first access       . . . varpd lookup enqueued
+ *        .           .                        .
+ *        .           .                        .
+ *     +-------+      .     +----------+       .
+ *     |  No   |------*---->| Invalid  |-------*----+
+ *     | Entry |            |  Entry   |            |
+ *     +-------+            +----------+            |
+ *                 varpd      ^      ^   varpd      |
+ *                 invalidate |      |   drop       |
+ *                      . . . *      * . .          v
+ *          +-------+         |      |         +---------+
+ *          | Entry |--->-----+      +----<----| Entry   |
+ *          | Valid |<----------*---------<----| Pending |->-+     varpd
+ *          +-------+           .              +---------+   * . . drop, but
+ *                              . varpd                ^     |     other queued
+ *                              . success              |     |     entries
+ *                                                     +-----+
+ *
+ * When the table is first created, it is empty. As we attempt to lookup entries
+ * and we find there is no entry at all, we'll create a new table entry for it.
+ * At that point the entry is technically in an invalid state, that means that
+ * we have no valid data from varpd. In that case, we'll go ahead and queue the
+ * packet into the entry's pending chain, and queue a varpd lookup, setting the
+ * OVERLAY_ENTRY_F_PENDING flag in the progress.
+ *
+ * If additional mblk_t's come in for this entry, we end up appending them to
+ * the tail of the chain, if and only if, we don't exceed the threshold for the
+ * amount of space they can take up. An entry remains pending until we get a
+ * varpd reply. If varpd replies with a valid results, we move to the valid
+ * entry state, and remove the OVERLAY_ENTRY_F_PENDING flag and set it with one
+ * of OVERLAY_ENTRY_F_VALID or OVERLAY_ENTRY_F_DROP as appropriate.
+ *
+ * Once an entry is valid, it stays valid until user land tells us to invalidate
+ * it with an ioctl or replace it, OVERLAY_TARG_CACHE_REMOE and
+ * OVERLAY_TARG_CACHE_SET respectively.
+ *
+ * If the lookup fails with a call to drop the packet, then the next state is
+ * determined by the state of the queue. If the set of outstanding entries is
+ * empty, then we just transition back to the invalid state. If instead, the
+ * set of outstanding entries is not empty, then we'll queue another entry and
+ * stay in the same state, repeating this until the number of requests is
+ * drained.
+ *
+ * The following images describes the flow of a given lookup and where the
+ * overlay_target_entry_t is at any given time.
+ *
+ *     +-------------------+
+ *     | Invalid Entry     |		An entry starts off as an invalid entry
+ *     | de:ad:be:ef:00:00 |		and only exists in the target cache.
+ *     +-------------------+
+ *
+ * 	~~~~
+ *
+ *     +---------------------+
+ *     | Global list_t       |		A mblk_t comes in for an entry. We
+ *     | overlay_target_list |		append it to the overlay_target_list.
+ *     +---------------------+
+ *                   |
+ *                   v
+ *             +-------------------+      +-------------------+
+ *             | Pending Entry     |----->| Pending Entry     |--->...
+ *             | 42:5e:1a:10:d6:2d |      | de:ad:be:ef:00:00 |
+ *             +-------------------+      +-------------------+
+ *
+ * 	~~~~
+ *
+ *     +--------------------------+
+ *     | /dev/overlay minor state |	User land said that it would look up an
+ *     | overlay_target_hdl_t     |	entry for us. We remove it from the
+ *     +--------------------------+	global list and add it to the handle's
+ *                  |			outstanding list.
+ *                  |
+ *                  v
+ *            +-------------------+      +-------------------+
+ *            | Pending Entry     |----->| Pending Entry     |
+ *            | 90:b8:d0:79:02:dd |      | de:ad:be:ef:00:00 |
+ *            +-------------------+      +-------------------+
+ *
+ * 	~~~~
+ *
+ *     +-------------------+
+ *     | Valid Entry       |		varpd returned an answer with
+ *     | de:ad:be:ef:00:00 |		OVERLAY_IOC_RESPOND and the target cache
+ *     | 10.169.23.42:4789 |		entry is now populated with a
+ *     +-------------------+		destination and marked as valid
+ *
+ *
+ * The lookup mechanism is performed via a series of operations on the character
+ * psuedo-device /dev/overlay. The only thing that uses this device is the
+ * userland daemon varpd. /dev/overlay is a cloneable device, each open of it
+ * granting a new minor number which maintains its own state. We maintain this
+ * state so that way if an outstanding lookup was queued to something that
+ * crashed or closed its handle without responding, we can know about this and
+ * thus handle it appropriately.
+ *
+ * When a lookup is first created it's added to our global list of outstanding
+ * lookups. To service requests, userland is required to perform an ioctl to ask
+ * for a request. We will block it in the kernel a set amount of time waiting
+ * for a request. When we give a request to a given minor instance of the
+ * device, we remove it from the global list and append the request to the
+ * device's list of outstanding entries, for the reasons we discussed above.
+ * When a lookup comes in, we give user land a smaller amount of information
+ * specific to that packet, the overlay_targ_lookup_t. It includes a request id
+ * to identify this, and then the overlay id, the varpd id, the header and
+ * packet size, the source and destination mac address, the SAP, and any
+ * potential VLAN header.
+ *
+ * At that point, it stays in that outstanding list until one of two ioctls are
+ * returned: OVERLAY_TARG_RESPOND or OVERLAY_TARG_DROP. During this time,
+ * userland may also perform other operations. For example, it may use
+ * OVERLAY_TARG_PKT to get a copy of this packet so it can perform more in-depth
+ * analysis of what to do beyond what we gave it initially. This is useful for
+ * providing proxy arp and the like. Finally, there are two other ioctls that
+ * varpd can then do. The first is OVERLAY_TARG_INJECT which injects the
+ * non-jumbo frame packet up into that mac device and OVERLAY_TARG_RESEND which
+ * causes us to encapsulate and send out the packet they've given us.
+ *
+ *
+ * Finally, through the target cache, several ioctls are provided to allow for
+ * interrogation and management of the cache. They allow for individual entries
+ * to be retrieved, set, or have the entire table flushed. For the full set of
+ * ioctls here and what they do, take a look at uts/common/sys/overlay_target.h.
+ *
+ * ------------------
+ * Sample Packet Flow
+ * ------------------
+ *
+ * There's a lot of pieces here, hopefully an example of how this all fits
+ * together will help clarify and elucidate what's going on. We're going to
+ * first track an outgoing packet, eg. one that is sent from an IP interface on
+ * a VNIC on top of an overlay device, and then we'll look at what it means to
+ * respond to that.
+ *
+ *
+ *    +----------------+        +--------------+            +------------------+
+ *    | IP/DLS send    |------->| MAC sends it |----------->| mblk_t reaches   |
+ *    | packet to MAC  |        | to the GLDv3 |            | overlay GLDv3 tx |
+ *    +----------------+        | VNIC device  |            | overlay_m_tx()   |
+ *                              +--------------+            +------------------+
+ *                                                                   |
+ *                             . lookup              . cache         |
+ *                             . drop                . miss          v
+ *            +---------+      .       +--------+    .      +------------------+
+ *            | freemsg |<-----*-------| varpd  |<---*------| Lookup each mblk |
+ *            | mblk_t  |              | lookup |           | in the target    |
+ *            +---------+              | queued |           | cache            |
+ *                ^                    +--------+           +------------------+
+ *      on send   |                        |                         |     cache
+ *      error . . *                        *. . lookup               * . . hit
+ *                |                        |    success              v
+ *                |                        |                +------------------+
+ *    +-----------------+                  +--------------->| call plugin      |
+ *    | Send out        |                                   | ovpo_encap() to  |
+ *    | overlay_mux_t's |<----------------------------------| get encap mblk_t |
+ *    | ksocket         |                                   +------------------+
+ *    +-----------------+
+ *
+ * The receive end point looks a little different and looks more like:
+ *
+ *  +------------------+     +----------------+    +-----------+
+ *  | mblk_t comes off |---->| enter netstack |--->| delivered |---+
+ *  | the physical     |     | IP stack       |    |     to    |   * . . direct
+ *  | device           |     +----------------+    |  ksocket  |   |   callback
+ *  +------------------+                           +-----------+   |
+ *                       . overlay id                              |
+ *                       . not found                               v
+ *       +-----------+   .      +-----------------+       +--------------------+
+ *       | freemsg   |<--*------| call plugin     |<------| overlay_mux_recv() |
+ *       | mblk_t    |          | ovpo_decap() to |       +--------------------+
+ *       +-----------+          | decap mblk_t    |
+ *                              +-----------------+
+ *                                     |
+ *                                     * . . overlay id
+ *                                     v     found
+ *                                 +--------+      +----------------+
+ *                                 | adjust |----->| call mac_rx    |
+ *                                 | mblk_t |      | on original    |
+ *                                 +--------+      | decaped packet |
+ *                                                 +----------------+
+ *
+ * ------------------
+ * Netstack Awareness
+ * ------------------
+ *
+ * In the above image we note that this enters a netstack. Today the only
+ * netstack that can be is the global zone as the overlay driver itself is not
+ * exactly netstack aware. What this really means is that varpd cannot run in a
+ * non-global zone and an overlay device cannot belong to a non-global zone.
+ * Non-global zones can still have a VNIC assigned to them that's been created
+ * over the overlay device the same way they would if it had been created over
+ * an etherstub or a physical device.
+ *
+ * The majority of the work to make it netstack aware is straightforward and the
+ * biggest thing is to create a netstack module that allows us to hook into
+ * netstack (and thus zone) creation and destruction.  From there, we need to
+ * amend the target cache lookup routines that we discussed earlier to not have
+ * a global outstanding list and a global list of handles, but rather, one per
+ * netstack.
+ *
+ * For the mux, we'll need to open the ksocket in the context of the zone, we
+ * can likely do this with a properly composed credential, but we'll need to do
+ * some more work on that path. Finally, we'll want to make sure the dld ioctls
+ * are aware of the zoneid of the caller and we use that appropriately and store
+ * it in the overlay_dev_t.
+ *
+ * -----------
+ * GLDv3 Notes
+ * -----------
+ *
+ * The overlay driver implements a GLDv3 device. Parts of GLDv3 are more
+ * relevant and other parts are much less relevant for us. For example, the
+ * GLDv3 is used to toggle the device being put into and out of promiscuous
+ * mode, to program MAC addresses for unicast and multicast hardware filters.
+ * Today, an overlay device doesn't have a notion of promiscuous mode nor does
+ * it have a notion of unicast and multicast addresses programmed into the
+ * device. Instead, for the purposes of the hardware filter, we don't do
+ * anything and just always accept new addresses being added and removed.
+ *
+ * If the GLDv3 start function has not been called, then we will not use this
+ * device for I/O purposes. Any calls to transmit or receive should be dropped,
+ * though the GLDv3 guarantees us that transmit will not be called without
+ * calling start. Similarly, once stop is called, then no packets can be dealt
+ * with.
+ *
+ * Today we don't support the stat interfaces, though there's no good reason
+ * that we shouldn't assemble some of the stats based on what we have in the
+ * future.
+ *
+ * When it comes to link properties, many of the traditional link properties do
+ * not apply and many others MAC handles for us. For example, we don't need to
+ * implement anything for overlay_m_getprop() to deal with returning the MTU, as
+ * MAC never calls into us for that. As such, there isn't much of anything to
+ * support in terms of properties.
+ *
+ * Today, we don't support any notion of hardware capabilities. However, if
+ * future NIC hardware or other changes to the system cause it to make sense for
+ * us to emulate logical groups, then we should do that. However, we still do
+ * implement a capab function so that we can identify ourselves as an overlay
+ * device to the broader MAC framework. This is done mostly so that a device
+ * created on top of us can have fanout rings as we don't try to lie about a
+ * speed for our device.
+ *
+ * The other question is what should be done for a device's MTU and margin. We
+ * set our minimum supported MTU to be the minimum value that an IP network may
+ * be set to 576 -- which mimics what an etherstub does. On the flip side, we
+ * have our upper bound set to 8900. This value comes from the fact that a lot
+ * of jumbo networks use their maximum as 9000. As such, we want to reserve 100
+ * bytes, which isn't exactly the most accurate number, but it'll be good enough
+ * for now. Because of that, our default MTU off of these devices is 1400, as
+ * the default MTU for everything is usually 1500 or whatever the underlying
+ * device is at; however, this is a bit simpler than asking the netstack what
+ * are all the IP interfaces at. It also calls into question how PMTU and PMTU
+ * discovery should work here. The challenge, especially for
+ * OVERLAY_TARG_DYNAMIC is that the MTU to any of the places will vary and it's
+ * not clear that if you have a single bad entry that the overall MTU should be
+ * lowered. Instead, we should figure out a better way of determining these
+ * kinds of PMTU errors and appropriately alerting the administrator via FMA.
+ *
+ * Regarding margin, we allow a margin of up to VLAN_TAGSZ depending on whether
+ * or not the underlying encapsulation device supports VLAN tags. If it does,
+ * then we'll set the margin to allow for it, otherwise, we will not.
+ */
+
+#include <sys/conf.h>
+#include <sys/errno.h>
+#include <sys/stat.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/modctl.h>
+#include <sys/policy.h>
+#include <sys/stream.h>
+#include <sys/strsubr.h>
+#include <sys/strsun.h>
+#include <sys/types.h>
+#include <sys/kmem.h>
+#include <sys/param.h>
+#include <sys/sysmacros.h>
+#include <sys/ddifm.h>
+
+#include <sys/dls.h>
+#include <sys/dld_ioc.h>
+#include <sys/mac_provider.h>
+#include <sys/mac_client_priv.h>
+#include <sys/mac_ether.h>
+#include <sys/vlan.h>
+
+#include <sys/overlay_impl.h>
+
+dev_info_t *overlay_dip;
+static kmutex_t overlay_dev_lock;
+static list_t overlay_dev_list;
+static uint8_t overlay_macaddr[ETHERADDRL] =
+	{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+
+typedef enum overlay_dev_prop {
+	OVERLAY_DEV_P_MTU = 0,
+	OVERLAY_DEV_P_VNETID,
+	OVERLAY_DEV_P_ENCAP,
+	OVERLAY_DEV_P_VARPDID
+} overlay_dev_prop_t;
+
+#define	OVERLAY_DEV_NPROPS	4
+static const char *overlay_dev_props[] = {
+	"mtu",
+	"vnetid",
+	"encap",
+	"varpd/id"
+};
+
+#define	OVERLAY_MTU_MIN	576
+#define	OVERLAY_MTU_DEF	1400
+#define	OVERLAY_MTU_MAX	8900
+
+overlay_dev_t *
+overlay_hold_by_dlid(datalink_id_t id)
+{
+	overlay_dev_t *o;
+
+	mutex_enter(&overlay_dev_lock);
+	for (o = list_head(&overlay_dev_list); o != NULL;
+	    o = list_next(&overlay_dev_list, o)) {
+		if (id == o->odd_linkid) {
+			mutex_enter(&o->odd_lock);
+			o->odd_ref++;
+			mutex_exit(&o->odd_lock);
+			mutex_exit(&overlay_dev_lock);
+			return (o);
+		}
+	}
+
+	mutex_exit(&overlay_dev_lock);
+	return (NULL);
+}
+
+void
+overlay_hold_rele(overlay_dev_t *odd)
+{
+	mutex_enter(&odd->odd_lock);
+	ASSERT(odd->odd_ref > 0);
+	odd->odd_ref--;
+	mutex_exit(&odd->odd_lock);
+}
+
+void
+overlay_io_start(overlay_dev_t *odd, overlay_dev_flag_t flag)
+{
+	ASSERT(flag == OVERLAY_F_IN_RX || flag == OVERLAY_F_IN_TX);
+	ASSERT(MUTEX_HELD(&odd->odd_lock));
+
+	if (flag & OVERLAY_F_IN_RX)
+		odd->odd_rxcount++;
+	if (flag & OVERLAY_F_IN_TX)
+		odd->odd_txcount++;
+	odd->odd_flags |= flag;
+}
+
+void
+overlay_io_done(overlay_dev_t *odd, overlay_dev_flag_t flag)
+{
+	boolean_t signal = B_FALSE;
+
+	ASSERT(flag == OVERLAY_F_IN_RX || flag == OVERLAY_F_IN_TX);
+	ASSERT(MUTEX_HELD(&odd->odd_lock));
+
+	if (flag & OVERLAY_F_IN_RX) {
+		ASSERT(odd->odd_rxcount > 0);
+		odd->odd_rxcount--;
+		if (odd->odd_rxcount == 0) {
+			signal = B_TRUE;
+			odd->odd_flags &= ~OVERLAY_F_IN_RX;
+		}
+	}
+	if (flag & OVERLAY_F_IN_TX) {
+		ASSERT(odd->odd_txcount > 0);
+		odd->odd_txcount--;
+		if (odd->odd_txcount == 0) {
+			signal = B_TRUE;
+			odd->odd_flags &= ~OVERLAY_F_IN_TX;
+		}
+	}
+
+	if (signal == B_TRUE)
+		cv_broadcast(&odd->odd_iowait);
+}
+
+static void
+overlay_io_wait(overlay_dev_t *odd, overlay_dev_flag_t flag)
+{
+	ASSERT((flag & ~OVERLAY_F_IOMASK) == 0);
+	ASSERT(MUTEX_HELD(&odd->odd_lock));
+
+	while (odd->odd_flags & flag) {
+		cv_wait(&odd->odd_iowait, &odd->odd_lock);
+	}
+}
+
+void
+overlay_dev_iter(overlay_dev_iter_f func, void *arg)
+{
+	overlay_dev_t *odd;
+
+	mutex_enter(&overlay_dev_lock);
+	for (odd = list_head(&overlay_dev_list); odd != NULL;
+	    odd = list_next(&overlay_dev_list, odd)) {
+		if (func(odd, arg) != 0) {
+			mutex_exit(&overlay_dev_lock);
+			return;
+		}
+	}
+	mutex_exit(&overlay_dev_lock);
+}
+
+/* ARGSUSED */
+static int
+overlay_m_stat(void *arg, uint_t stat, uint64_t *val)
+{
+	return (ENOTSUP);
+}
+
+static int
+overlay_m_start(void *arg)
+{
+	overlay_dev_t *odd = arg;
+	overlay_mux_t *mux;
+	int ret, domain, family, prot;
+	struct sockaddr_storage storage;
+	socklen_t slen;
+
+	mutex_enter(&odd->odd_lock);
+	if ((odd->odd_flags & OVERLAY_F_ACTIVATED) == 0) {
+		mutex_exit(&odd->odd_lock);
+		return (EAGAIN);
+	}
+	mutex_exit(&odd->odd_lock);
+
+	ret = odd->odd_plugin->ovp_ops->ovpo_socket(odd->odd_pvoid, &domain,
+	    &family, &prot, (struct sockaddr *)&storage, &slen);
+	if (ret != 0)
+		return (ret);
+
+	mux = overlay_mux_open(odd->odd_plugin, domain, family, prot,
+	    (struct sockaddr *)&storage, slen, &ret);
+	if (mux == NULL)
+		return (ret);
+
+	overlay_mux_add_dev(mux, odd);
+	odd->odd_mux = mux;
+	mutex_enter(&odd->odd_lock);
+	ASSERT(!(odd->odd_flags & OVERLAY_F_IN_MUX));
+	odd->odd_flags |= OVERLAY_F_IN_MUX;
+	mutex_exit(&odd->odd_lock);
+
+	return (0);
+}
+
+static void
+overlay_m_stop(void *arg)
+{
+	overlay_dev_t *odd = arg;
+
+	/*
+	 * The MAC Perimeter is held here, so we don't have to worry about
+	 * synchornizing this with respect to metadata operations.
+	 */
+	mutex_enter(&odd->odd_lock);
+	VERIFY(odd->odd_flags & OVERLAY_F_IN_MUX);
+	VERIFY(!(odd->odd_flags & OVERLAY_F_MDDROP));
+	odd->odd_flags |= OVERLAY_F_MDDROP;
+	overlay_io_wait(odd, OVERLAY_F_IOMASK);
+	mutex_exit(&odd->odd_lock);
+
+	overlay_mux_remove_dev(odd->odd_mux, odd);
+	overlay_mux_close(odd->odd_mux);
+	odd->odd_mux = NULL;
+
+	mutex_enter(&odd->odd_lock);
+	odd->odd_flags &= ~OVERLAY_F_IN_MUX;
+	odd->odd_flags &= ~OVERLAY_F_MDDROP;
+	VERIFY((odd->odd_flags & OVERLAY_F_STOPMASK) == 0);
+	mutex_exit(&odd->odd_lock);
+}
+
+/*
+ * For more info on this, see the big theory statement.
+ */
+/* ARGSUSED */
+static int
+overlay_m_promisc(void *arg, boolean_t on)
+{
+	return (0);
+}
+
+/*
+ * For more info on this, see the big theory statement.
+ */
+/* ARGSUSED */
+static int
+overlay_m_multicast(void *arg, boolean_t add, const uint8_t *addrp)
+{
+	return (0);
+}
+
+/*
+ * For more info on this, see the big theory statement.
+ */
+/* ARGSUSED */
+static int
+overlay_m_unicast(void *arg, const uint8_t *macaddr)
+{
+	return (0);
+}
+
+mblk_t *
+overlay_m_tx(void *arg, mblk_t *mp_chain)
+{
+	overlay_dev_t *odd = arg;
+	mblk_t *mp, *ep;
+	int ret;
+	ovep_encap_info_t einfo;
+	struct msghdr hdr;
+
+	mutex_enter(&odd->odd_lock);
+	if ((odd->odd_flags & OVERLAY_F_MDDROP) ||
+	    !(odd->odd_flags & OVERLAY_F_IN_MUX)) {
+		mutex_exit(&odd->odd_lock);
+		freemsgchain(mp_chain);
+		return (NULL);
+	}
+	overlay_io_start(odd, OVERLAY_F_IN_TX);
+	mutex_exit(&odd->odd_lock);
+
+	bzero(&hdr, sizeof (struct msghdr));
+
+	bzero(&einfo, sizeof (ovep_encap_info_t));
+	einfo.ovdi_id = odd->odd_vid;
+	mp = mp_chain;
+	while (mp != NULL) {
+		socklen_t slen;
+		struct sockaddr_storage storage;
+
+		mp_chain = mp->b_next;
+		mp->b_next = NULL;
+		ep = NULL;
+
+		ret = overlay_target_lookup(odd, mp,
+		    (struct sockaddr *)&storage, &slen);
+		if (ret != OVERLAY_TARGET_OK) {
+			if (ret == OVERLAY_TARGET_DROP)
+				freemsg(mp);
+			mp = mp_chain;
+			continue;
+		}
+
+		hdr.msg_name = &storage;
+		hdr.msg_namelen = slen;
+
+		ret = odd->odd_plugin->ovp_ops->ovpo_encap(odd->odd_mh, mp,
+		    &einfo, &ep);
+		if (ret != 0 || ep == NULL) {
+			freemsg(mp);
+			goto out;
+		}
+
+		ep->b_cont = mp;
+		ret = overlay_mux_tx(odd->odd_mux, &hdr, ep);
+		if (ret != 0)
+			goto out;
+
+		mp = mp_chain;
+	}
+
+out:
+	mutex_enter(&odd->odd_lock);
+	overlay_io_done(odd, OVERLAY_F_IN_TX);
+	mutex_exit(&odd->odd_lock);
+	return (mp_chain);
+}
+
+/* ARGSUSED */
+static void
+overlay_m_ioctl(void *arg, queue_t *q, mblk_t *mp)
+{
+	miocnak(q, mp, 0, ENOTSUP);
+}
+
+/* ARGSUSED */
+static boolean_t
+overlay_m_getcapab(void *arg, mac_capab_t cap, void *cap_data)
+{
+	/*
+	 * Tell MAC we're an overlay.
+	 */
+	if (cap == MAC_CAPAB_OVERLAY)
+		return (B_TRUE);
+	return (B_FALSE);
+}
+
+/* ARGSUSED */
+static int
+overlay_m_setprop(void *arg, const char *pr_name, mac_prop_id_t pr_num,
+    uint_t pr_valsize, const void *pr_val)
+{
+	uint32_t mtu, old;
+	int err;
+	overlay_dev_t *odd = arg;
+
+	if (pr_num != MAC_PROP_MTU)
+		return (ENOTSUP);
+
+	bcopy(pr_val, &mtu, sizeof (mtu));
+	if (mtu < OVERLAY_MTU_MIN || mtu > OVERLAY_MTU_MAX)
+		return (EINVAL);
+
+	mutex_enter(&odd->odd_lock);
+	old = odd->odd_mtu;
+	odd->odd_mtu = mtu;
+	err = mac_maxsdu_update(odd->odd_mh, mtu);
+	if (err != 0)
+		odd->odd_mtu = old;
+	mutex_exit(&odd->odd_lock);
+
+	return (err);
+}
+
+/* ARGSUSED */
+static int
+overlay_m_getprop(void *arg, const char *pr_name, mac_prop_id_t pr_num,
+    uint_t pr_valsize, void *pr_val)
+{
+	return (ENOTSUP);
+}
+
+/* ARGSUSED */
+static void
+overlay_m_propinfo(void *arg, const char *pr_name, mac_prop_id_t pr_num,
+    mac_prop_info_handle_t prh)
+{
+	if (pr_num != MAC_PROP_MTU)
+		return;
+
+	mac_prop_info_set_default_uint32(prh, OVERLAY_MTU_DEF);
+	mac_prop_info_set_range_uint32(prh, OVERLAY_MTU_MIN, OVERLAY_MTU_MAX);
+}
+
+static mac_callbacks_t overlay_m_callbacks = {
+	.mc_callbacks = (MC_IOCTL | MC_GETCAPAB | MC_SETPROP | MC_GETPROP |
+	    MC_PROPINFO),
+	.mc_getstat = overlay_m_stat,
+	.mc_start = overlay_m_start,
+	.mc_stop = overlay_m_stop,
+	.mc_setpromisc = overlay_m_promisc,
+	.mc_multicst = overlay_m_multicast,
+	.mc_unicst = overlay_m_unicast,
+	.mc_tx = overlay_m_tx,
+	.mc_ioctl = overlay_m_ioctl,
+	.mc_getcapab = overlay_m_getcapab,
+	.mc_getprop = overlay_m_getprop,
+	.mc_setprop = overlay_m_setprop,
+	.mc_propinfo = overlay_m_propinfo
+};
+
+static boolean_t
+overlay_valid_name(const char *name, size_t buflen)
+{
+	size_t actlen;
+	int err, i;
+
+	for (i = 0; i < buflen; i++) {
+		if (name[i] == '\0')
+			break;
+	}
+
+	if (i == 0 || i == buflen)
+		return (B_FALSE);
+	actlen = i;
+	if (strchr(name, '/') != NULL)
+		return (B_FALSE);
+	if (u8_validate((char *)name, actlen, NULL,
+	    U8_VALIDATE_ENTIRE, &err) < 0)
+		return (B_FALSE);
+	return (B_TRUE);
+}
+
+/* ARGSUSED */
+static int
+overlay_i_create(void *karg, intptr_t arg, int mode, cred_t *cred, int *rvalp)
+{
+	int err;
+	uint64_t maxid;
+	overlay_dev_t *odd, *o;
+	mac_register_t *mac;
+	overlay_ioc_create_t *oicp = karg;
+
+	if (overlay_valid_name(oicp->oic_encap, MAXLINKNAMELEN) == B_FALSE)
+		return (EINVAL);
+
+	odd = kmem_zalloc(sizeof (overlay_dev_t), KM_SLEEP);
+	odd->odd_linkid = oicp->oic_linkid;
+	odd->odd_plugin = overlay_plugin_lookup(oicp->oic_encap);
+	if (odd->odd_plugin == NULL) {
+		kmem_free(odd, sizeof (overlay_dev_t));
+		return (ENOENT);
+	}
+	err = odd->odd_plugin->ovp_ops->ovpo_init((overlay_handle_t)odd,
+	    &odd->odd_pvoid);
+	if (err != 0) {
+		odd->odd_plugin->ovp_ops->ovpo_fini(odd->odd_pvoid);
+		overlay_plugin_rele(odd->odd_plugin);
+		kmem_free(odd, sizeof (overlay_dev_t));
+		return (EINVAL);
+	}
+
+	/*
+	 * Make sure that our virtual network id is valid for the given plugin
+	 * that we're working with.
+	 */
+	ASSERT(odd->odd_plugin->ovp_id_size <= 8);
+	maxid = UINT64_MAX;
+	if (odd->odd_plugin->ovp_id_size != 8)
+		maxid = (1ULL << (odd->odd_plugin->ovp_id_size * 8)) - 1ULL;
+	if (oicp->oic_vnetid > maxid) {
+		odd->odd_plugin->ovp_ops->ovpo_fini(odd->odd_pvoid);
+		overlay_plugin_rele(odd->odd_plugin);
+		kmem_free(odd, sizeof (overlay_dev_t));
+		return (EINVAL);
+	}
+	odd->odd_vid = oicp->oic_vnetid;
+
+	mac = mac_alloc(MAC_VERSION);
+	if (mac == NULL) {
+		mutex_exit(&overlay_dev_lock);
+		odd->odd_plugin->ovp_ops->ovpo_fini(odd->odd_pvoid);
+		overlay_plugin_rele(odd->odd_plugin);
+		kmem_free(odd, sizeof (overlay_dev_t));
+		return (EINVAL);
+	}
+
+	mac->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
+	mac->m_driver = odd;
+	mac->m_dip = overlay_dip;
+	mac->m_dst_addr = NULL;
+	mac->m_callbacks = &overlay_m_callbacks;
+	mac->m_pdata = NULL;
+	mac->m_pdata_size = 0;
+
+	mac->m_priv_props = NULL;
+
+	/* Let mac handle this itself. */
+	mac->m_instance = (uint_t)-1;
+
+	/*
+	 * There is no real source address that should be used here, but saying
+	 * that we're not ethernet is going to cause its own problems. At the
+	 * end of the say, this is fine.
+	 */
+	mac->m_src_addr = overlay_macaddr;
+
+	/*
+	 * Start with the default MTU as the max SDU. If the MTU is changed, the
+	 * SDU will be changed to reflect that.
+	 */
+	mac->m_min_sdu = 1;
+	mac->m_max_sdu = OVERLAY_MTU_DEF;
+	mac->m_multicast_sdu = 0;
+
+	/*
+	 * The underlying device doesn't matter, instead this comes from the
+	 * encapsulation protocol and whether or not they allow VLAN tags.
+	 */
+	if (odd->odd_plugin->ovp_flags & OVEP_F_VLAN_TAG) {
+		mac->m_margin = VLAN_TAGSZ;
+	} else {
+		mac->m_margin = 0;
+	}
+
+	/*
+	 * Today, we have no MAC virtualization, it may make sense in the future
+	 * to go ahead and emulate some subset of this, but it doesn't today.
+	 */
+	mac->m_v12n = MAC_VIRT_NONE;
+
+	mutex_enter(&overlay_dev_lock);
+	for (o = list_head(&overlay_dev_list); o != NULL;
+	    o = list_next(&overlay_dev_list, o)) {
+		if (o->odd_linkid == oicp->oic_linkid) {
+			mutex_exit(&overlay_dev_lock);
+			odd->odd_plugin->ovp_ops->ovpo_fini(odd->odd_pvoid);
+			overlay_plugin_rele(odd->odd_plugin);
+			kmem_free(odd, sizeof (overlay_dev_t));
+			return (EEXIST);
+		}
+
+		if (o->odd_vid == oicp->oic_vnetid &&
+		    o->odd_plugin == odd->odd_plugin) {
+			mutex_exit(&overlay_dev_lock);
+			odd->odd_plugin->ovp_ops->ovpo_fini(odd->odd_pvoid);
+			overlay_plugin_rele(odd->odd_plugin);
+			kmem_free(odd, sizeof (overlay_dev_t));
+			return (EEXIST);
+		}
+	}
+
+	err = mac_register(mac, &odd->odd_mh);
+	mac_free(mac);
+	if (err != 0) {
+		mutex_exit(&overlay_dev_lock);
+		odd->odd_plugin->ovp_ops->ovpo_fini(odd->odd_pvoid);
+		overlay_plugin_rele(odd->odd_plugin);
+		kmem_free(odd, sizeof (overlay_dev_t));
+		return (err);
+	}
+
+	err = dls_devnet_create(odd->odd_mh, odd->odd_linkid,
+	    crgetzoneid(cred));
+	if (err != 0) {
+		mutex_exit(&overlay_dev_lock);
+		(void) mac_unregister(odd->odd_mh);
+		odd->odd_plugin->ovp_ops->ovpo_fini(odd->odd_pvoid);
+		overlay_plugin_rele(odd->odd_plugin);
+		kmem_free(odd, sizeof (overlay_dev_t));
+		return (err);
+	}
+
+	mutex_init(&odd->odd_lock, NULL, MUTEX_DRIVER, NULL);
+	cv_init(&odd->odd_iowait, NULL, CV_DRIVER, NULL);
+	odd->odd_ref = 0;
+	odd->odd_flags = 0;
+	list_insert_tail(&overlay_dev_list, odd);
+	mutex_exit(&overlay_dev_lock);
+
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+overlay_i_activate(void *karg, intptr_t arg, int mode, cred_t *cred, int *rvalp)
+{
+	int i, ret;
+	overlay_dev_t *odd;
+	mac_perim_handle_t mph;
+	overlay_ioc_activate_t *oiap = karg;
+	overlay_ioc_propinfo_t *infop;
+	overlay_ioc_prop_t *oip;
+	overlay_prop_handle_t phdl;
+
+	odd = overlay_hold_by_dlid(oiap->oia_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+
+	infop = kmem_alloc(sizeof (overlay_ioc_propinfo_t), KM_SLEEP);
+	oip = kmem_alloc(sizeof (overlay_ioc_prop_t), KM_SLEEP);
+	phdl = (overlay_prop_handle_t)infop;
+
+	mac_perim_enter_by_mh(odd->odd_mh, &mph);
+	mutex_enter(&odd->odd_lock);
+	if (odd->odd_flags & OVERLAY_F_ACTIVATED) {
+		mutex_exit(&odd->odd_lock);
+		mac_perim_exit(mph);
+		overlay_hold_rele(odd);
+		kmem_free(infop, sizeof (overlay_ioc_propinfo_t));
+		kmem_free(oip, sizeof (overlay_ioc_prop_t));
+		return (EEXIST);
+	}
+	mutex_exit(&odd->odd_lock);
+
+	for (i = 0; i < odd->odd_plugin->ovp_nprops; i++) {
+		const char *pname = odd->odd_plugin->ovp_props[i];
+		bzero(infop, sizeof (overlay_ioc_propinfo_t));
+		overlay_prop_init(phdl);
+		ret = odd->odd_plugin->ovp_ops->ovpo_propinfo(pname, phdl);
+		if (ret != 0) {
+			mac_perim_exit(mph);
+			overlay_hold_rele(odd);
+			kmem_free(infop, sizeof (overlay_ioc_propinfo_t));
+			kmem_free(oip, sizeof (overlay_ioc_prop_t));
+			return (ret);
+		}
+
+		if ((infop->oipi_prot & OVERLAY_PROP_PERM_REQ) == 0)
+			continue;
+		bzero(oip, sizeof (overlay_ioc_prop_t));
+		oip->oip_size = sizeof (oip->oip_value);
+		ret = odd->odd_plugin->ovp_ops->ovpo_getprop(odd->odd_pvoid,
+		    pname, oip->oip_value, &oip->oip_size);
+		if (ret != 0) {
+			mac_perim_exit(mph);
+			overlay_hold_rele(odd);
+			kmem_free(infop, sizeof (overlay_ioc_propinfo_t));
+			kmem_free(oip, sizeof (overlay_ioc_prop_t));
+			return (ret);
+		}
+		if (oip->oip_size == 0) {
+			mac_perim_exit(mph);
+			overlay_hold_rele(odd);
+			kmem_free(infop, sizeof (overlay_ioc_propinfo_t));
+			kmem_free(oip, sizeof (overlay_ioc_prop_t));
+			return (EINVAL);
+		}
+	}
+
+	mutex_enter(&odd->odd_lock);
+	if ((odd->odd_flags & OVERLAY_F_VARPD) == 0) {
+		mutex_exit(&odd->odd_lock);
+		mac_perim_exit(mph);
+		overlay_hold_rele(odd);
+		kmem_free(infop, sizeof (overlay_ioc_propinfo_t));
+		kmem_free(oip, sizeof (overlay_ioc_prop_t));
+		return (ENXIO);
+	}
+
+	ASSERT((odd->odd_flags & OVERLAY_F_ACTIVATED) == 0);
+	odd->odd_flags |= OVERLAY_F_ACTIVATED;
+	mutex_exit(&odd->odd_lock);
+
+	mac_perim_exit(mph);
+	overlay_hold_rele(odd);
+	kmem_free(infop, sizeof (overlay_ioc_propinfo_t));
+	kmem_free(oip, sizeof (overlay_ioc_prop_t));
+
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+overlay_i_delete(void *karg, intptr_t arg, int mode, cred_t *cred, int *rvalp)
+{
+	overlay_ioc_delete_t *oidp = karg;
+	overlay_dev_t *odd;
+	datalink_id_t tid;
+	int ret;
+
+	odd = overlay_hold_by_dlid(oidp->oid_linkid);
+	if (odd == NULL) {
+		return (ENOENT);
+	}
+
+	mutex_enter(&odd->odd_lock);
+	/* If we're not the only hold, we're busy */
+	if (odd->odd_ref != 1) {
+		mutex_exit(&odd->odd_lock);
+		overlay_hold_rele(odd);
+		return (EBUSY);
+	}
+
+	if (odd->odd_flags & OVERLAY_F_IN_MUX) {
+		mutex_exit(&odd->odd_lock);
+		overlay_hold_rele(odd);
+		return (EBUSY);
+	}
+
+	/*
+	 * To remove this, we need to first remove it from dls and then remove
+	 * it from mac. The act of removing it from mac will check if there are
+	 * devices on top of this, eg. vnics. If there are, then that will fail
+	 * and we'll have to go through and recreate the dls entry. Only after
+	 * mac_unregister has succeeded, then we'll go through and actually free
+	 * everything and drop the dev lock.
+	 */
+	ret = dls_devnet_destroy(odd->odd_mh, &tid, B_TRUE);
+	if (ret != 0) {
+		overlay_hold_rele(odd);
+		return (ret);
+	}
+
+	ASSERT(oidp->oid_linkid == tid);
+	ret = mac_disable(odd->odd_mh);
+	if (ret != 0) {
+		(void) dls_devnet_create(odd->odd_mh, odd->odd_linkid,
+		    crgetzoneid(cred));
+		overlay_hold_rele(odd);
+		return (ret);
+	}
+
+	overlay_target_quiesce(odd->odd_target);
+
+	mutex_enter(&overlay_dev_lock);
+	list_remove(&overlay_dev_list, odd);
+	mutex_exit(&overlay_dev_lock);
+
+	cv_destroy(&odd->odd_iowait);
+	mutex_destroy(&odd->odd_lock);
+	overlay_target_free(odd);
+	odd->odd_plugin->ovp_ops->ovpo_fini(odd->odd_pvoid);
+	overlay_plugin_rele(odd->odd_plugin);
+	kmem_free(odd, sizeof (overlay_dev_t));
+
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+overlay_i_nprops(void *karg, intptr_t arg, int mode, cred_t *cred,
+    int *rvalp)
+{
+	overlay_dev_t *odd;
+	overlay_ioc_nprops_t *on = karg;
+
+	odd = overlay_hold_by_dlid(on->oipn_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+	on->oipn_nprops = odd->odd_plugin->ovp_nprops + OVERLAY_DEV_NPROPS;
+	overlay_hold_rele(odd);
+
+	return (0);
+}
+
+static int
+overlay_propinfo_plugin_cb(overlay_plugin_t *opp, void *arg)
+{
+	overlay_prop_handle_t phdl = arg;
+	overlay_prop_set_range_str(phdl, opp->ovp_name);
+	return (0);
+}
+
+static int
+overlay_i_name_to_propid(overlay_dev_t *odd, const char *name, uint_t *id)
+{
+	int i;
+
+	for (i = 0; i < OVERLAY_DEV_NPROPS; i++) {
+		if (strcmp(overlay_dev_props[i], name) == 0) {
+			*id = i;
+			return (0);
+		}
+	}
+
+	for (i = 0; i < odd->odd_plugin->ovp_nprops; i++) {
+		if (strcmp(odd->odd_plugin->ovp_props[i], name) == 0) {
+			*id = i + OVERLAY_DEV_NPROPS;
+			return (0);
+		}
+	}
+
+	return (ENOENT);
+}
+
+static void
+overlay_i_propinfo_mtu(overlay_dev_t *odd, overlay_prop_handle_t phdl)
+{
+	uint32_t def;
+	mac_propval_range_t range;
+	uint_t perm;
+
+	ASSERT(MAC_PERIM_HELD(odd->odd_mh));
+
+	bzero(&range, sizeof (mac_propval_range_t));
+	range.mpr_count = 1;
+	if (mac_prop_info(odd->odd_mh, MAC_PROP_MTU, "mtu", &def,
+	    sizeof (def), &range, &perm) != 0)
+		return;
+
+	if (perm == MAC_PROP_PERM_READ)
+		overlay_prop_set_prot(phdl, OVERLAY_PROP_PERM_READ);
+	else if (perm == MAC_PROP_PERM_WRITE)
+		overlay_prop_set_prot(phdl, OVERLAY_PROP_PERM_WRITE);
+	else if (perm == MAC_PROP_PERM_RW)
+		overlay_prop_set_prot(phdl, OVERLAY_PROP_PERM_RW);
+
+	overlay_prop_set_type(phdl, OVERLAY_PROP_T_UINT);
+	overlay_prop_set_default(phdl, &def, sizeof (def));
+	overlay_prop_set_range_uint32(phdl, range.mpr_range_uint32[0].mpur_min,
+	    range.mpr_range_uint32[0].mpur_max);
+}
+
+/* ARGSUSED */
+static int
+overlay_i_propinfo(void *karg, intptr_t arg, int mode, cred_t *cred,
+    int *rvalp)
+{
+	overlay_dev_t *odd;
+	int ret;
+	mac_perim_handle_t mph;
+	uint_t propid = UINT_MAX;
+	overlay_ioc_propinfo_t *oip = karg;
+	overlay_prop_handle_t phdl = (overlay_prop_handle_t)oip;
+
+	odd = overlay_hold_by_dlid(oip->oipi_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+
+	overlay_prop_init(phdl);
+	mac_perim_enter_by_mh(odd->odd_mh, &mph);
+
+	/*
+	 * If the id is -1, then the property that we're looking for is named in
+	 * oipi_name and we should fill in its id. Otherwise, we've been given
+	 * an id and we need to turn that into a name for our plugin's sake. The
+	 * id is our own fabrication for property discovery.
+	 */
+	if (oip->oipi_id == -1) {
+		/*
+		 * Determine if it's a known generic property or it belongs to a
+		 * module by checking against the list of known names.
+		 */
+		oip->oipi_name[OVERLAY_PROP_NAMELEN-1] = '\0';
+		if ((ret = overlay_i_name_to_propid(odd, oip->oipi_name,
+		    &propid)) != 0) {
+			overlay_hold_rele(odd);
+			mac_perim_exit(mph);
+			return (ret);
+		}
+		oip->oipi_id = propid;
+		if (propid >= OVERLAY_DEV_NPROPS) {
+			ret = odd->odd_plugin->ovp_ops->ovpo_propinfo(
+			    oip->oipi_name, phdl);
+			overlay_hold_rele(odd);
+			mac_perim_exit(mph);
+			return (ret);
+
+		}
+	} else if (oip->oipi_id >= OVERLAY_DEV_NPROPS) {
+		uint_t id = oip->oipi_id - OVERLAY_DEV_NPROPS;
+
+		if (id >= odd->odd_plugin->ovp_nprops) {
+			overlay_hold_rele(odd);
+			mac_perim_exit(mph);
+			return (EINVAL);
+		}
+		ret = odd->odd_plugin->ovp_ops->ovpo_propinfo(
+		    odd->odd_plugin->ovp_props[id], phdl);
+		overlay_hold_rele(odd);
+		mac_perim_exit(mph);
+		return (ret);
+	} else if (oip->oipi_id < -1) {
+		overlay_hold_rele(odd);
+		mac_perim_exit(mph);
+		return (EINVAL);
+	} else {
+		ASSERT(oip->oipi_id < OVERLAY_DEV_NPROPS);
+		ASSERT(oip->oipi_id >= 0);
+		propid = oip->oipi_id;
+		(void) strlcpy(oip->oipi_name, overlay_dev_props[propid],
+		    sizeof (oip->oipi_name));
+	}
+
+	switch (propid) {
+	case OVERLAY_DEV_P_MTU:
+		overlay_i_propinfo_mtu(odd, phdl);
+		break;
+	case OVERLAY_DEV_P_VNETID:
+		overlay_prop_set_prot(phdl, OVERLAY_PROP_PERM_RW);
+		overlay_prop_set_type(phdl, OVERLAY_PROP_T_UINT);
+		overlay_prop_set_nodefault(phdl);
+		break;
+	case OVERLAY_DEV_P_ENCAP:
+		overlay_prop_set_prot(phdl, OVERLAY_PROP_PERM_READ);
+		overlay_prop_set_type(phdl, OVERLAY_PROP_T_STRING);
+		overlay_prop_set_nodefault(phdl);
+		overlay_plugin_walk(overlay_propinfo_plugin_cb, phdl);
+		break;
+	case OVERLAY_DEV_P_VARPDID:
+		overlay_prop_set_prot(phdl, OVERLAY_PROP_PERM_READ);
+		overlay_prop_set_type(phdl, OVERLAY_PROP_T_UINT);
+		overlay_prop_set_nodefault(phdl);
+		break;
+	default:
+		overlay_hold_rele(odd);
+		mac_perim_exit(mph);
+		return (ENOENT);
+	}
+
+	overlay_hold_rele(odd);
+	mac_perim_exit(mph);
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+overlay_i_getprop(void *karg, intptr_t arg, int mode, cred_t *cred,
+    int *rvalp)
+{
+	int ret;
+	overlay_dev_t *odd;
+	mac_perim_handle_t mph;
+	overlay_ioc_prop_t *oip = karg;
+	uint_t propid, mtu;
+
+	odd = overlay_hold_by_dlid(oip->oip_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+
+	mac_perim_enter_by_mh(odd->odd_mh, &mph);
+	oip->oip_size = OVERLAY_PROP_SIZEMAX;
+	oip->oip_name[OVERLAY_PROP_NAMELEN-1] = '\0';
+	if (oip->oip_id == -1) {
+		int i;
+
+		for (i = 0; i < OVERLAY_DEV_NPROPS; i++) {
+			if (strcmp(overlay_dev_props[i], oip->oip_name) == 0)
+				break;
+			if (i == OVERLAY_DEV_NPROPS) {
+				ret = odd->odd_plugin->ovp_ops->ovpo_getprop(
+				    odd->odd_pvoid, oip->oip_name,
+				    oip->oip_value, &oip->oip_size);
+				overlay_hold_rele(odd);
+				mac_perim_exit(mph);
+				return (ret);
+			}
+		}
+
+		propid = i;
+	} else if (oip->oip_id >= OVERLAY_DEV_NPROPS) {
+		uint_t id = oip->oip_id - OVERLAY_DEV_NPROPS;
+
+		if (id > odd->odd_plugin->ovp_nprops) {
+			overlay_hold_rele(odd);
+			mac_perim_exit(mph);
+			return (EINVAL);
+		}
+		ret = odd->odd_plugin->ovp_ops->ovpo_getprop(odd->odd_pvoid,
+		    odd->odd_plugin->ovp_props[id], oip->oip_value,
+		    &oip->oip_size);
+		overlay_hold_rele(odd);
+		mac_perim_exit(mph);
+		return (ret);
+	} else if (oip->oip_id < -1) {
+		overlay_hold_rele(odd);
+		mac_perim_exit(mph);
+		return (EINVAL);
+	} else {
+		ASSERT(oip->oip_id < OVERLAY_DEV_NPROPS);
+		ASSERT(oip->oip_id >= 0);
+		propid = oip->oip_id;
+	}
+
+	ret = 0;
+	switch (propid) {
+	case OVERLAY_DEV_P_MTU:
+		/*
+		 * The MTU is always set and retrieved through MAC, to allow for
+		 * MAC to do whatever it wants, as really that property belongs
+		 * to MAC. This is important for things where vnics have hold on
+		 * the MTU.
+		 */
+		mac_sdu_get(odd->odd_mh, NULL, &mtu);
+		bcopy(&mtu, oip->oip_value, sizeof (uint_t));
+		oip->oip_size = sizeof (uint_t);
+		break;
+	case OVERLAY_DEV_P_VNETID:
+		/*
+		 * While it's read-only while inside of a mux, we're not in a
+		 * context that can guarantee that. Therefore we always grab the
+		 * overlay_dev_t's odd_lock.
+		 */
+		mutex_enter(&odd->odd_lock);
+		bcopy(&odd->odd_vid, oip->oip_value, sizeof (uint64_t));
+		mutex_exit(&odd->odd_lock);
+		oip->oip_size = sizeof (uint64_t);
+		break;
+	case OVERLAY_DEV_P_ENCAP:
+		oip->oip_size = strlcpy((char *)oip->oip_value,
+		    odd->odd_plugin->ovp_name, oip->oip_size);
+		break;
+	case OVERLAY_DEV_P_VARPDID:
+		mutex_enter(&odd->odd_lock);
+		if (odd->odd_flags & OVERLAY_F_VARPD) {
+			const uint64_t val = odd->odd_target->ott_id;
+			bcopy(&val, oip->oip_value, sizeof (uint64_t));
+			oip->oip_size = sizeof (uint64_t);
+		} else {
+			oip->oip_size = 0;
+		}
+		mutex_exit(&odd->odd_lock);
+		break;
+	default:
+		ret = ENOENT;
+	}
+
+	overlay_hold_rele(odd);
+	mac_perim_exit(mph);
+	return (ret);
+}
+
+static void
+overlay_setprop_vnetid(overlay_dev_t *odd, uint64_t vnetid)
+{
+	mutex_enter(&odd->odd_lock);
+
+	/* Simple case, not active */
+	if (!(odd->odd_flags & OVERLAY_F_IN_MUX)) {
+		odd->odd_vid = vnetid;
+		mutex_exit(&odd->odd_lock);
+		return;
+	}
+
+	/*
+	 * In the hard case, we need to set the drop flag, quiesce I/O and then
+	 * we can go ahead and do everything.
+	 */
+	odd->odd_flags |= OVERLAY_F_MDDROP;
+	overlay_io_wait(odd, OVERLAY_F_IOMASK);
+	mutex_exit(&odd->odd_lock);
+
+	overlay_mux_remove_dev(odd->odd_mux, odd);
+	mutex_enter(&odd->odd_lock);
+	odd->odd_vid = vnetid;
+	mutex_exit(&odd->odd_lock);
+	overlay_mux_add_dev(odd->odd_mux, odd);
+
+	mutex_enter(&odd->odd_lock);
+	ASSERT(odd->odd_flags & OVERLAY_F_IN_MUX);
+	odd->odd_flags &= ~OVERLAY_F_IN_MUX;
+	mutex_exit(&odd->odd_lock);
+}
+
+/* ARGSUSED */
+static int
+overlay_i_setprop(void *karg, intptr_t arg, int mode, cred_t *cred,
+    int *rvalp)
+{
+	int ret;
+	overlay_dev_t *odd;
+	overlay_ioc_prop_t *oip = karg;
+	uint_t propid = UINT_MAX;
+	mac_perim_handle_t mph;
+	uint64_t maxid, *vidp;
+
+	if (oip->oip_size > OVERLAY_PROP_SIZEMAX)
+		return (EINVAL);
+
+	odd = overlay_hold_by_dlid(oip->oip_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+
+	oip->oip_name[OVERLAY_PROP_NAMELEN-1] = '\0';
+	mac_perim_enter_by_mh(odd->odd_mh, &mph);
+	mutex_enter(&odd->odd_lock);
+	if (odd->odd_flags & OVERLAY_F_ACTIVATED) {
+		mac_perim_exit(mph);
+		mutex_exit(&odd->odd_lock);
+		return (ENOTSUP);
+	}
+	mutex_exit(&odd->odd_lock);
+	if (oip->oip_id == -1) {
+		int i;
+
+		for (i = 0; i < OVERLAY_DEV_NPROPS; i++) {
+			if (strcmp(overlay_dev_props[i], oip->oip_name) == 0)
+				break;
+			if (i == OVERLAY_DEV_NPROPS) {
+				ret = odd->odd_plugin->ovp_ops->ovpo_setprop(
+				    odd->odd_pvoid, oip->oip_name,
+				    oip->oip_value, oip->oip_size);
+				overlay_hold_rele(odd);
+				mac_perim_exit(mph);
+				return (ret);
+			}
+		}
+
+		propid = i;
+	} else if (oip->oip_id >= OVERLAY_DEV_NPROPS) {
+		uint_t id = oip->oip_id - OVERLAY_DEV_NPROPS;
+
+		if (id > odd->odd_plugin->ovp_nprops) {
+			mac_perim_exit(mph);
+			overlay_hold_rele(odd);
+			return (EINVAL);
+		}
+		ret = odd->odd_plugin->ovp_ops->ovpo_setprop(odd->odd_pvoid,
+		    odd->odd_plugin->ovp_props[id], oip->oip_value,
+		    oip->oip_size);
+		mac_perim_exit(mph);
+		overlay_hold_rele(odd);
+		return (ret);
+	} else if (oip->oip_id < -1) {
+		mac_perim_exit(mph);
+		overlay_hold_rele(odd);
+		return (EINVAL);
+	} else {
+		ASSERT(oip->oip_id < OVERLAY_DEV_NPROPS);
+		ASSERT(oip->oip_id >= 0);
+		propid = oip->oip_id;
+	}
+
+	ret = 0;
+	switch (propid) {
+	case OVERLAY_DEV_P_MTU:
+		ret = mac_set_prop(odd->odd_mh, MAC_PROP_MTU, "mtu",
+		    oip->oip_value, oip->oip_size);
+		break;
+	case OVERLAY_DEV_P_VNETID:
+		if (oip->oip_size != sizeof (uint64_t)) {
+			ret = EINVAL;
+			break;
+		}
+		vidp = (uint64_t *)oip->oip_value;
+		ASSERT(odd->odd_plugin->ovp_id_size <= 8);
+		maxid = UINT64_MAX;
+		if (odd->odd_plugin->ovp_id_size != 8)
+			maxid = (1ULL << (odd->odd_plugin->ovp_id_size * 8)) -
+			    1ULL;
+		if (*vidp >= maxid) {
+			ret = EINVAL;
+			break;
+		}
+		overlay_setprop_vnetid(odd, *vidp);
+		break;
+	case OVERLAY_DEV_P_ENCAP:
+	case OVERLAY_DEV_P_VARPDID:
+		ret = EPERM;
+		break;
+	default:
+		ret = ENOENT;
+	}
+
+	mac_perim_exit(mph);
+	overlay_hold_rele(odd);
+	return (ret);
+}
+
+/* ARGSUSED */
+static int
+overlay_i_status(void *karg, intptr_t arg, int mode, cred_t *cred,
+    int *rvalp)
+{
+	overlay_dev_t *odd;
+	overlay_ioc_status_t *os = karg;
+
+	odd = overlay_hold_by_dlid(os->ois_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+
+	mutex_enter(&odd->odd_lock);
+	if ((odd->odd_flags & OVERLAY_F_DEGRADED) != 0) {
+		os->ois_status = OVERLAY_I_DEGRADED;
+		if (odd->odd_fmamsg != NULL) {
+			(void) strlcpy(os->ois_message, odd->odd_fmamsg,
+			    OVERLAY_STATUS_BUFLEN);
+		} else {
+			os->ois_message[0] = '\0';
+		}
+
+	} else {
+		os->ois_status = OVERLAY_I_OK;
+		os->ois_message[0] = '\0';
+	}
+	mutex_exit(&odd->odd_lock);
+	overlay_hold_rele(odd);
+
+	return (0);
+}
+
+static dld_ioc_info_t overlay_ioc_list[] = {
+	{ OVERLAY_IOC_CREATE, DLDCOPYIN, sizeof (overlay_ioc_create_t),
+		overlay_i_create, secpolicy_dl_config },
+	{ OVERLAY_IOC_ACTIVATE, DLDCOPYIN, sizeof (overlay_ioc_activate_t),
+		overlay_i_activate, secpolicy_dl_config },
+	{ OVERLAY_IOC_DELETE, DLDCOPYIN, sizeof (overlay_ioc_delete_t),
+		overlay_i_delete, secpolicy_dl_config },
+	{ OVERLAY_IOC_PROPINFO, DLDCOPYIN | DLDCOPYOUT,
+		sizeof (overlay_ioc_propinfo_t), overlay_i_propinfo,
+		secpolicy_dl_config },
+	{ OVERLAY_IOC_GETPROP, DLDCOPYIN | DLDCOPYOUT,
+		sizeof (overlay_ioc_prop_t), overlay_i_getprop,
+		secpolicy_dl_config },
+	{ OVERLAY_IOC_SETPROP, DLDCOPYIN,
+		sizeof (overlay_ioc_prop_t), overlay_i_setprop,
+		secpolicy_dl_config },
+	{ OVERLAY_IOC_NPROPS, DLDCOPYIN | DLDCOPYOUT,
+		sizeof (overlay_ioc_nprops_t), overlay_i_nprops,
+		secpolicy_dl_config },
+	{ OVERLAY_IOC_STATUS, DLDCOPYIN | DLDCOPYOUT,
+		sizeof (overlay_ioc_status_t), overlay_i_status,
+		NULL }
+};
+
+static int
+overlay_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
+{
+	int fmcap = DDI_FM_EREPORT_CAPABLE;
+	if (cmd != DDI_ATTACH)
+		return (DDI_FAILURE);
+
+	if (overlay_dip != NULL || ddi_get_instance(dip) != 0)
+		return (DDI_FAILURE);
+
+	ddi_fm_init(dip, &fmcap, NULL);
+
+	if (ddi_create_minor_node(dip, OVERLAY_CTL, S_IFCHR,
+	    ddi_get_instance(dip), DDI_PSEUDO, 0) == DDI_FAILURE)
+		return (DDI_FAILURE);
+
+	if (dld_ioc_register(OVERLAY_IOC, overlay_ioc_list,
+	    DLDIOCCNT(overlay_ioc_list)) != 0) {
+		ddi_remove_minor_node(dip, OVERLAY_CTL);
+		return (DDI_FAILURE);
+	}
+
+	overlay_dip = dip;
+	return (DDI_SUCCESS);
+}
+
+/* ARGSUSED */
+static int
+overlay_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **resp)
+{
+	int error;
+
+	switch (cmd) {
+	case DDI_INFO_DEVT2DEVINFO:
+		*resp = (void *)overlay_dip;
+		error = DDI_SUCCESS;
+		break;
+	case DDI_INFO_DEVT2INSTANCE:
+		*resp = (void *)0;
+		error = DDI_SUCCESS;
+		break;
+	default:
+		error = DDI_FAILURE;
+		break;
+	}
+
+	return (error);
+}
+
+static int
+overlay_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
+{
+	if (cmd != DDI_DETACH)
+		return (DDI_FAILURE);
+
+	mutex_enter(&overlay_dev_lock);
+	if (!list_is_empty(&overlay_dev_list) || overlay_target_busy()) {
+		mutex_exit(&overlay_dev_lock);
+		return (EBUSY);
+	}
+	mutex_exit(&overlay_dev_lock);
+
+
+	dld_ioc_unregister(OVERLAY_IOC);
+	ddi_remove_minor_node(dip, OVERLAY_CTL);
+	ddi_fm_fini(dip);
+	overlay_dip = NULL;
+	return (DDI_SUCCESS);
+}
+
+static struct cb_ops overlay_cbops = {
+	overlay_target_open,	/* cb_open */
+	overlay_target_close,	/* cb_close */
+	nodev,			/* cb_strategy */
+	nodev,			/* cb_print */
+	nodev,			/* cb_dump */
+	nodev,			/* cb_read */
+	nodev,			/* cb_write */
+	overlay_target_ioctl,	/* cb_ioctl */
+	nodev,			/* cb_devmap */
+	nodev,			/* cb_mmap */
+	nodev,			/* cb_segmap */
+	nochpoll,		/* cb_chpoll */
+	ddi_prop_op,		/* cb_prop_op */
+	NULL,			/* cb_stream */
+	D_MP,			/* cb_flag */
+	CB_REV,			/* cb_rev */
+	nodev,			/* cb_aread */
+	nodev,			/* cb_awrite */
+};
+
+static struct dev_ops overlay_dev_ops = {
+	DEVO_REV,		/* devo_rev */
+	0,			/* devo_refcnt */
+	overlay_getinfo,	/* devo_getinfo */
+	nulldev,		/* devo_identify */
+	nulldev,		/* devo_probe */
+	overlay_attach,		/* devo_attach */
+	overlay_detach,		/* devo_detach */
+	nulldev,		/* devo_reset */
+	&overlay_cbops,		/* devo_cb_ops */
+	NULL,			/* devo_bus_ops */
+	NULL,			/* devo_power */
+	ddi_quiesce_not_supported	/* devo_quiesce */
+};
+
+static struct modldrv overlay_modldrv = {
+	&mod_driverops,
+	"Overlay Network Driver",
+	&overlay_dev_ops
+};
+
+static struct modlinkage overlay_linkage = {
+	MODREV_1,
+	&overlay_modldrv
+};
+
+static int
+overlay_init(void)
+{
+	mutex_init(&overlay_dev_lock, NULL, MUTEX_DRIVER, NULL);
+	list_create(&overlay_dev_list, sizeof (overlay_dev_t),
+	    offsetof(overlay_dev_t, odd_link));
+	overlay_mux_init();
+	overlay_plugin_init();
+	overlay_target_init();
+
+	return (DDI_SUCCESS);
+}
+
+static void
+overlay_fini(void)
+{
+	overlay_target_fini();
+	overlay_plugin_fini();
+	overlay_mux_fini();
+	mutex_destroy(&overlay_dev_lock);
+	list_destroy(&overlay_dev_list);
+}
+
+int
+_init(void)
+{
+	int err;
+
+	if ((err = overlay_init()) != DDI_SUCCESS)
+		return (err);
+
+	mac_init_ops(NULL, "overlay");
+	err = mod_install(&overlay_linkage);
+	if (err != DDI_SUCCESS) {
+		overlay_fini();
+		return (err);
+	}
+
+	return (0);
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&overlay_linkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	int err;
+
+	err = mod_remove(&overlay_linkage);
+	if (err != 0)
+		return (err);
+
+	overlay_fini();
+	return (0);
+}
diff --git a/usr/src/uts/common/io/overlay/overlay.conf b/usr/src/uts/common/io/overlay/overlay.conf
new file mode 100644
index 0000000000..4b62fafd94
--- /dev/null
+++ b/usr/src/uts/common/io/overlay/overlay.conf
@@ -0,0 +1,16 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015, Joyent, Inc.
+#
+
+name="overlay" parent="pseudo" instance=0;
diff --git a/usr/src/uts/common/io/overlay/overlay.mapfile b/usr/src/uts/common/io/overlay/overlay.mapfile
new file mode 100644
index 0000000000..800d72dc2b
--- /dev/null
+++ b/usr/src/uts/common/io/overlay/overlay.mapfile
@@ -0,0 +1,46 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+#	usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+SYMBOL_VERSION ILLUMOSprivate {
+    global:
+	# DDI Interfaces
+	_fini;
+	_init;
+	_info;
+
+	# Encapsualation Plugin interfaces
+	overlay_plugin_alloc;
+	overlay_plugin_free;
+	overlay_plugin_register;
+	overlay_plugin_unregister;
+    local:
+	*;
+};
diff --git a/usr/src/uts/common/io/overlay/overlay_fm.c b/usr/src/uts/common/io/overlay/overlay_fm.c
new file mode 100644
index 0000000000..f26356ceaf
--- /dev/null
+++ b/usr/src/uts/common/io/overlay/overlay_fm.c
@@ -0,0 +1,84 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * Overlay device FMA operations.
+ *
+ * For more information, see the big theory statement in
+ * uts/common/io/overlay/overlay.c
+ */
+
+#include <sys/ddifm.h>
+#include <sys/overlay_impl.h>
+
+kmutex_t overlay_fm_lock;
+uint_t overlay_fm_count;
+
+void
+overlay_fm_init(void)
+{
+	overlay_fm_count = 0;
+	mutex_init(&overlay_fm_lock, NULL, MUTEX_DRIVER, NULL);
+}
+
+void
+overlay_fm_fini(void)
+{
+	VERIFY(overlay_fm_count == 0);
+	mutex_destroy(&overlay_fm_lock);
+}
+
+void
+overlay_fm_degrade(overlay_dev_t *odd, const char *msg)
+{
+	mutex_enter(&overlay_fm_lock);
+	mutex_enter(&odd->odd_lock);
+
+	if (msg != NULL)
+		(void) strlcpy(odd->odd_fmamsg, msg, OVERLAY_STATUS_BUFLEN);
+
+	if (odd->odd_flags & OVERLAY_F_DEGRADED)
+		goto out;
+
+	odd->odd_flags |= OVERLAY_F_DEGRADED;
+	overlay_fm_count++;
+	if (overlay_fm_count == 1) {
+		ddi_fm_service_impact(overlay_dip, DDI_SERVICE_DEGRADED);
+		mac_link_update(odd->odd_mh, LINK_STATE_DOWN);
+	}
+out:
+	mutex_exit(&odd->odd_lock);
+	mutex_exit(&overlay_fm_lock);
+}
+
+void
+overlay_fm_restore(overlay_dev_t *odd)
+{
+	mutex_enter(&overlay_fm_lock);
+	mutex_enter(&odd->odd_lock);
+	if (!(odd->odd_flags & OVERLAY_F_DEGRADED))
+		goto out;
+
+	odd->odd_fmamsg[0] = '\0';
+	odd->odd_flags &= ~OVERLAY_F_DEGRADED;
+	overlay_fm_count--;
+	if (overlay_fm_count == 0) {
+		ddi_fm_service_impact(overlay_dip, DDI_SERVICE_RESTORED);
+		mac_link_update(odd->odd_mh, LINK_STATE_UP);
+	}
+out:
+	mutex_exit(&odd->odd_lock);
+	mutex_exit(&overlay_fm_lock);
+}
diff --git a/usr/src/uts/common/io/overlay/overlay_mux.c b/usr/src/uts/common/io/overlay/overlay_mux.c
new file mode 100644
index 0000000000..9f70e8c83e
--- /dev/null
+++ b/usr/src/uts/common/io/overlay/overlay_mux.c
@@ -0,0 +1,354 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * Overlay device ksocket multiplexer.
+ *
+ * For more information, see the big theory statement in
+ * uts/common/io/overlay/overlay.c
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/ksynch.h>
+#include <sys/ksocket.h>
+#include <sys/avl.h>
+#include <sys/list.h>
+#include <sys/sysmacros.h>
+#include <sys/strsubr.h>
+#include <sys/strsun.h>
+#include <sys/tihdr.h>
+
+#include <sys/overlay_impl.h>
+
+#include <sys/sdt.h>
+
+#define	OVERLAY_FREEMSG(mp, reason) \
+    DTRACE_PROBE2(overlay__fremsg, mblk_t *, mp, char *, reason)
+
+static list_t overlay_mux_list;
+static kmutex_t overlay_mux_lock;
+
+void
+overlay_mux_init(void)
+{
+	list_create(&overlay_mux_list, sizeof (overlay_mux_t),
+	    offsetof(overlay_mux_t, omux_lnode));
+	mutex_init(&overlay_mux_lock, NULL, MUTEX_DRIVER, NULL);
+}
+
+void
+overlay_mux_fini(void)
+{
+	mutex_destroy(&overlay_mux_lock);
+	list_destroy(&overlay_mux_list);
+}
+
+static int
+overlay_mux_comparator(const void *a, const void *b)
+{
+	const overlay_dev_t *odl, *odr;
+	odl = a;
+	odr = b;
+	if (odl->odd_vid > odr->odd_vid)
+		return (1);
+	else if (odl->odd_vid < odr->odd_vid)
+		return (-1);
+	else
+		return (0);
+}
+
+/*
+ * This is the central receive data path. We need to decode the packet, if we
+ * can, and then deliver it to the appropriate overlay.
+ */
+/* ARGSUSED */
+static boolean_t
+overlay_mux_recv(ksocket_t ks, mblk_t *mpchain, size_t msgsize, int oob,
+    void *arg)
+{
+	mblk_t *mp, *nmp, *fmp;
+	overlay_mux_t *mux = arg;
+
+	/*
+	 * We may have a received a chain of messages. Each messsage in the
+	 * chain will likely have a T_unitdata_ind attached to it as an M_PROTO.
+	 * If we aren't getting that, we should probably drop that for the
+	 * moment.
+	 */
+	for (mp = mpchain; mp != NULL; mp = nmp) {
+		struct T_unitdata_ind *tudi;
+		ovep_encap_info_t infop;
+		overlay_dev_t od, *odd;
+		int ret;
+
+		nmp = mp->b_next;
+		mp->b_next = NULL;
+
+		if (DB_TYPE(mp) != M_PROTO) {
+			OVERLAY_FREEMSG(mp, "first one isn't M_PROTO");
+			freemsg(mp);
+			continue;
+		}
+
+		if (mp->b_cont == NULL) {
+			OVERLAY_FREEMSG(mp, "missing a b_cont");
+			freemsg(mp);
+			continue;
+		}
+
+		tudi = (struct T_unitdata_ind *)mp->b_rptr;
+		if (tudi->PRIM_type != T_UNITDATA_IND) {
+			OVERLAY_FREEMSG(mp, "Not a T_unitdata_ind *");
+			freemsg(mp);
+			continue;
+		}
+
+		/*
+		 * In the future, we'll care about the source information
+		 * for purposes of telling varpd for oob invalidation. But for
+		 * now, just drop that block.
+		 */
+		fmp = mp;
+		mp = fmp->b_cont;
+		fmp->b_cont = NULL;
+		freemsg(fmp);
+
+		/*
+		 * Decap and deliver.
+		 */
+		bzero(&infop, sizeof (ovep_encap_info_t));
+		ret = mux->omux_plugin->ovp_ops->ovpo_decap(NULL, mp, &infop);
+		if (ret != 0) {
+			OVERLAY_FREEMSG(mp, "decap failed");
+			freemsg(mp);
+			continue;
+		}
+		if (MBLKL(mp) > infop.ovdi_hdr_size) {
+			mp->b_rptr += infop.ovdi_hdr_size;
+		} else {
+			while (infop.ovdi_hdr_size != 0) {
+				size_t rem, blkl;
+
+				if (mp == NULL)
+					break;
+
+				blkl = MBLKL(mp);
+				rem = MIN(infop.ovdi_hdr_size, blkl);
+				infop.ovdi_hdr_size -= rem;
+				mp->b_rptr += rem;
+				if (rem == blkl) {
+					fmp = mp;
+					mp = fmp->b_cont;
+					fmp->b_cont = NULL;
+					OVERLAY_FREEMSG(mp,
+					    "freed a fmp block");
+					freemsg(fmp);
+				}
+			}
+			if (mp == NULL) {
+				OVERLAY_FREEMSG(mp, "freed it all...");
+				continue;
+			}
+		}
+
+
+		od.odd_vid = infop.ovdi_id;
+		mutex_enter(&mux->omux_lock);
+		odd = avl_find(&mux->omux_devices, &od, NULL);
+		if (odd == NULL) {
+			mutex_exit(&mux->omux_lock);
+			OVERLAY_FREEMSG(mp, "no matching vid");
+			freemsg(mp);
+			continue;
+		}
+		mutex_enter(&odd->odd_lock);
+		if ((odd->odd_flags & OVERLAY_F_MDDROP) ||
+		    !(odd->odd_flags & OVERLAY_F_IN_MUX)) {
+			mutex_exit(&odd->odd_lock);
+			mutex_exit(&mux->omux_lock);
+			OVERLAY_FREEMSG(mp, "dev dropped");
+			freemsg(mp);
+			continue;
+		}
+		overlay_io_start(odd, OVERLAY_F_IN_RX);
+		mutex_exit(&odd->odd_lock);
+		mutex_exit(&mux->omux_lock);
+
+		mac_rx(odd->odd_mh, NULL, mp);
+
+		mutex_enter(&odd->odd_lock);
+		overlay_io_done(odd, OVERLAY_F_IN_RX);
+		mutex_exit(&odd->odd_lock);
+	}
+
+	return (B_TRUE);
+}
+
+/*
+ * Register a given device with a socket backend. If no such device socket
+ * exists, create a new one.
+ */
+overlay_mux_t *
+overlay_mux_open(overlay_plugin_t *opp, int domain, int family, int protocol,
+    struct sockaddr *addr, socklen_t len, int *errp)
+{
+	int err;
+	overlay_mux_t *mux;
+	ksocket_t ksock;
+
+	if (errp == NULL)
+		errp = &err;
+
+	mutex_enter(&overlay_mux_lock);
+	for (mux = list_head(&overlay_mux_list); mux != NULL;
+	    mux = list_next(&overlay_mux_list, mux)) {
+		if (domain == mux->omux_domain &&
+		    family == mux->omux_family &&
+		    protocol == mux->omux_protocol &&
+		    len == mux->omux_alen &&
+		    bcmp(addr, mux->omux_addr, len) == 0) {
+
+			if (opp != mux->omux_plugin) {
+				*errp = EEXIST;
+				return (NULL);
+			}
+
+			mutex_enter(&mux->omux_lock);
+			mux->omux_count++;
+			mutex_exit(&mux->omux_lock);
+			mutex_exit(&overlay_mux_lock);
+			*errp = 0;
+			return (mux);
+		}
+	}
+
+	/*
+	 * Today we aren't zone-aware and only exist in the global zone. When we
+	 * allow for things to exist in the non-global zone, we'll want to use a
+	 * credential that's actually specific to the zone.
+	 */
+	*errp = ksocket_socket(&ksock, domain, family, protocol, KSOCKET_SLEEP,
+	    kcred);
+	if (*errp != 0) {
+		mutex_exit(&overlay_mux_lock);
+		return (NULL);
+	}
+
+	*errp = ksocket_bind(ksock, addr, len, kcred);
+	if (*errp != 0) {
+		mutex_exit(&overlay_mux_lock);
+		ksocket_close(ksock, kcred);
+		return (NULL);
+	}
+
+	/*
+	 * Ask our lower layer to optionally toggle anything they need on this
+	 * socket. Because a socket is owned by a single type of plugin, we can
+	 * then ask it to perform any additional socket set up it'd like to do.
+	 */
+	if (opp->ovp_ops->ovpo_sockopt != NULL &&
+	    (*errp = opp->ovp_ops->ovpo_sockopt(ksock)) != 0) {
+		mutex_exit(&overlay_mux_lock);
+		ksocket_close(ksock, kcred);
+		return (NULL);
+	}
+
+	mux = kmem_alloc(sizeof (overlay_mux_t), KM_SLEEP);
+	list_link_init(&mux->omux_lnode);
+	mux->omux_ksock = ksock;
+	mux->omux_plugin = opp;
+	mux->omux_domain = domain;
+	mux->omux_family = family;
+	mux->omux_protocol = protocol;
+	mux->omux_addr = kmem_alloc(len, KM_SLEEP);
+	bcopy(addr, mux->omux_addr, len);
+	mux->omux_alen = len;
+	mux->omux_count = 1;
+	avl_create(&mux->omux_devices, overlay_mux_comparator,
+	    sizeof (overlay_dev_t), offsetof(overlay_dev_t, odd_muxnode));
+	mutex_init(&mux->omux_lock, NULL, MUTEX_DRIVER, NULL);
+
+
+	/* Once this is called, we need to expect to rx data */
+	*errp = ksocket_krecv_set(ksock, overlay_mux_recv, mux);
+	if (*errp != 0) {
+		ksocket_close(ksock, kcred);
+		mutex_destroy(&mux->omux_lock);
+		avl_destroy(&mux->omux_devices);
+		kmem_free(mux->omux_addr, len);
+		kmem_free(mux, sizeof (overlay_mux_t));
+		return (NULL);
+	}
+
+	list_insert_tail(&overlay_mux_list, mux);
+	mutex_exit(&overlay_mux_lock);
+
+	*errp = 0;
+	return (mux);
+}
+
+void
+overlay_mux_close(overlay_mux_t *mux)
+{
+	mutex_enter(&overlay_mux_lock);
+	mutex_enter(&mux->omux_lock);
+	mux->omux_count--;
+	if (mux->omux_count != 0) {
+		mutex_exit(&mux->omux_lock);
+		mutex_exit(&overlay_mux_lock);
+		return;
+	}
+	list_remove(&overlay_mux_list, mux);
+	mutex_exit(&mux->omux_lock);
+	mutex_exit(&overlay_mux_lock);
+
+	ksocket_close(mux->omux_ksock, kcred);
+	avl_destroy(&mux->omux_devices);
+	kmem_free(mux->omux_addr, mux->omux_alen);
+	kmem_free(mux, sizeof (overlay_mux_t));
+}
+
+void
+overlay_mux_add_dev(overlay_mux_t *mux, overlay_dev_t *odd)
+{
+	mutex_enter(&mux->omux_lock);
+	avl_add(&mux->omux_devices, odd);
+	mutex_exit(&mux->omux_lock);
+}
+
+void
+overlay_mux_remove_dev(overlay_mux_t *mux, overlay_dev_t *odd)
+{
+	mutex_enter(&mux->omux_lock);
+	avl_remove(&mux->omux_devices, odd);
+	mutex_exit(&mux->omux_lock);
+}
+
+int
+overlay_mux_tx(overlay_mux_t *mux, struct msghdr *hdr, mblk_t *mp)
+{
+	int ret;
+
+	/*
+	 * It'd be nice to be able to use MSG_MBLK_QUICKRELE, unfortunately,
+	 * that isn't actually supported by UDP at this time.
+	 */
+	ret = ksocket_sendmblk(mux->omux_ksock, hdr, 0, &mp, kcred);
+	if (ret != 0)
+		freemsg(mp);
+
+	return (ret);
+}
diff --git a/usr/src/uts/common/io/overlay/overlay_plugin.c b/usr/src/uts/common/io/overlay/overlay_plugin.c
new file mode 100644
index 0000000000..348ddb92a2
--- /dev/null
+++ b/usr/src/uts/common/io/overlay/overlay_plugin.c
@@ -0,0 +1,281 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * Overlay device encapsulation plugin management
+ *
+ * For more information, see the big theory statement in
+ * uts/common/io/overlay/overlay.c
+ */
+
+#include <sys/types.h>
+#include <sys/kmem.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/errno.h>
+#include <sys/sysmacros.h>
+#include <sys/modctl.h>
+
+#include <sys/overlay_impl.h>
+
+static kmem_cache_t *overlay_plugin_cache;
+static kmutex_t overlay_plugin_lock;
+static list_t overlay_plugin_list;
+
+#define	OVERLAY_MODDIR	"overlay"
+
+/* ARGSUSED */
+static int
+overlay_plugin_cache_constructor(void *buf, void *arg, int kmflags)
+{
+	overlay_plugin_t *opp = buf;
+
+	mutex_init(&opp->ovp_mutex, NULL, MUTEX_DRIVER, NULL);
+	list_link_init(&opp->ovp_link);
+
+	return (0);
+}
+
+/* ARGSUSED */
+static void
+overlay_plugin_cache_destructor(void *buf, void *arg)
+{
+	overlay_plugin_t *opp = buf;
+	ASSERT(list_link_active(&opp->ovp_link) == 0);
+	mutex_destroy(&opp->ovp_mutex);
+}
+
+void
+overlay_plugin_init(void)
+{
+	mutex_init(&overlay_plugin_lock, NULL, MUTEX_DRIVER, 0);
+
+	/*
+	 * In the future we may want to have a reaper to unload unused modules
+	 * to help the kernel be able to reclaim memory.
+	 */
+	overlay_plugin_cache = kmem_cache_create("overlay_plugin_cache",
+	    sizeof (overlay_plugin_t), 0, overlay_plugin_cache_constructor,
+	    overlay_plugin_cache_destructor, NULL, NULL, NULL, 0);
+	list_create(&overlay_plugin_list, sizeof (overlay_plugin_t),
+	    offsetof(overlay_plugin_t, ovp_link));
+}
+
+void
+overlay_plugin_fini(void)
+{
+	mutex_enter(&overlay_plugin_lock);
+	VERIFY(list_is_empty(&overlay_plugin_list));
+	mutex_exit(&overlay_plugin_lock);
+
+	list_destroy(&overlay_plugin_list);
+	kmem_cache_destroy(overlay_plugin_cache);
+	mutex_destroy(&overlay_plugin_lock);
+}
+
+overlay_plugin_register_t *
+overlay_plugin_alloc(uint_t version)
+{
+	overlay_plugin_register_t *ovrp;
+	/* Version 1 is the only one that exists */
+	if (version != OVEP_VERSION_ONE)
+		return (NULL);
+
+	ovrp = kmem_zalloc(sizeof (overlay_plugin_register_t), KM_SLEEP);
+	ovrp->ovep_version = version;
+	return (ovrp);
+}
+
+void
+overlay_plugin_free(overlay_plugin_register_t *ovrp)
+{
+	kmem_free(ovrp, sizeof (overlay_plugin_register_t));
+}
+
+int
+overlay_plugin_register(overlay_plugin_register_t *ovrp)
+{
+	overlay_plugin_t *opp, *ipp;
+
+	/* Sanity check parameters of the registration */
+	if (ovrp->ovep_version != OVEP_VERSION_ONE)
+		return (EINVAL);
+
+	if (ovrp->ovep_name == NULL || ovrp->ovep_ops == NULL)
+		return (EINVAL);
+
+	if ((ovrp->ovep_flags & ~(OVEP_F_VLAN_TAG)) != 0)
+		return (EINVAL);
+
+	if (ovrp->ovep_id_size < 1)
+		return (EINVAL);
+
+	/* Don't support anything that has an id size larger than 8 bytes */
+	if (ovrp->ovep_id_size > 8)
+		return (ENOTSUP);
+
+	if (ovrp->ovep_dest == OVERLAY_PLUGIN_D_INVALID)
+		return (EINVAL);
+
+	if ((ovrp->ovep_dest & ~OVERLAY_PLUGIN_D_MASK) != 0)
+		return (EINVAL);
+
+	if (ovrp->ovep_ops->ovpo_callbacks != 0)
+		return (EINVAL);
+	if (ovrp->ovep_ops->ovpo_init == NULL)
+		return (EINVAL);
+	if (ovrp->ovep_ops->ovpo_fini == NULL)
+		return (EINVAL);
+	if (ovrp->ovep_ops->ovpo_encap == NULL)
+		return (EINVAL);
+	if (ovrp->ovep_ops->ovpo_decap == NULL)
+		return (EINVAL);
+	if (ovrp->ovep_ops->ovpo_socket == NULL)
+		return (EINVAL);
+	if (ovrp->ovep_ops->ovpo_getprop == NULL)
+		return (EINVAL);
+	if (ovrp->ovep_ops->ovpo_setprop == NULL)
+		return (EINVAL);
+	if (ovrp->ovep_ops->ovpo_propinfo == NULL)
+		return (EINVAL);
+
+
+	opp = kmem_cache_alloc(overlay_plugin_cache, KM_SLEEP);
+	opp->ovp_active = 0;
+	opp->ovp_name = ovrp->ovep_name;
+	opp->ovp_ops = ovrp->ovep_ops;
+	opp->ovp_props = ovrp->ovep_props;
+	opp->ovp_id_size = ovrp->ovep_id_size;
+	opp->ovp_flags = ovrp->ovep_flags;
+	opp->ovp_dest = ovrp->ovep_dest;
+
+	opp->ovp_nprops = 0;
+	if (ovrp->ovep_props != NULL) {
+		while (ovrp->ovep_props[opp->ovp_nprops] != NULL) {
+			if (strlen(ovrp->ovep_props[opp->ovp_nprops]) >=
+			    OVERLAY_PROP_NAMELEN) {
+				mutex_exit(&overlay_plugin_lock);
+				kmem_cache_free(overlay_plugin_cache, opp);
+				return (EINVAL);
+			}
+			opp->ovp_nprops++;
+		}
+	}
+
+	mutex_enter(&overlay_plugin_lock);
+	for (ipp = list_head(&overlay_plugin_list); ipp != NULL;
+	    ipp = list_next(&overlay_plugin_list, ipp)) {
+		if (strcmp(ipp->ovp_name, opp->ovp_name) == 0) {
+			mutex_exit(&overlay_plugin_lock);
+			kmem_cache_free(overlay_plugin_cache, opp);
+			return (EEXIST);
+		}
+	}
+	list_insert_tail(&overlay_plugin_list, opp);
+	mutex_exit(&overlay_plugin_lock);
+
+	return (0);
+}
+
+int
+overlay_plugin_unregister(const char *name)
+{
+	overlay_plugin_t *opp;
+
+	mutex_enter(&overlay_plugin_lock);
+	for (opp = list_head(&overlay_plugin_list); opp != NULL;
+	    opp = list_next(&overlay_plugin_list, opp)) {
+		if (strcmp(opp->ovp_name, name) == 0)
+			break;
+	}
+
+	if (opp == NULL) {
+		mutex_exit(&overlay_plugin_lock);
+		return (ENOENT);
+	}
+
+	mutex_enter(&opp->ovp_mutex);
+	if (opp->ovp_active > 0) {
+		mutex_exit(&opp->ovp_mutex);
+		mutex_exit(&overlay_plugin_lock);
+		return (EBUSY);
+	}
+	mutex_exit(&opp->ovp_mutex);
+
+	list_remove(&overlay_plugin_list, opp);
+	mutex_exit(&overlay_plugin_lock);
+
+	kmem_cache_free(overlay_plugin_cache, opp);
+	return (0);
+}
+
+overlay_plugin_t *
+overlay_plugin_lookup(const char *name)
+{
+	overlay_plugin_t *opp;
+	boolean_t trymodload = B_FALSE;
+
+	for (;;) {
+		mutex_enter(&overlay_plugin_lock);
+		for (opp = list_head(&overlay_plugin_list); opp != NULL;
+		    opp = list_next(&overlay_plugin_list, opp)) {
+			if (strcmp(name, opp->ovp_name) == 0) {
+				mutex_enter(&opp->ovp_mutex);
+				opp->ovp_active++;
+				mutex_exit(&opp->ovp_mutex);
+				mutex_exit(&overlay_plugin_lock);
+				return (opp);
+			}
+		}
+		mutex_exit(&overlay_plugin_lock);
+
+		if (trymodload == B_TRUE)
+			return (NULL);
+
+		/*
+		 * If we didn't find it, it may still exist, but just not have
+		 * been a loaded module. In that case, we'll do one attempt to
+		 * load it.
+		 */
+		if (modload(OVERLAY_MODDIR, (char *)name) == -1)
+			return (NULL);
+		trymodload = B_TRUE;
+	}
+
+}
+
+void
+overlay_plugin_rele(overlay_plugin_t *opp)
+{
+	mutex_enter(&opp->ovp_mutex);
+	ASSERT(opp->ovp_active > 0);
+	opp->ovp_active--;
+	mutex_exit(&opp->ovp_mutex);
+}
+
+void
+overlay_plugin_walk(overlay_plugin_walk_f func, void *arg)
+{
+	overlay_plugin_t *opp;
+	mutex_enter(&overlay_plugin_lock);
+	for (opp = list_head(&overlay_plugin_list); opp != NULL;
+	    opp = list_next(&overlay_plugin_list, opp)) {
+		if (func(opp, arg) != 0) {
+			mutex_exit(&overlay_plugin_lock);
+			return;
+		}
+	}
+	mutex_exit(&overlay_plugin_lock);
+}
diff --git a/usr/src/uts/common/io/overlay/overlay_prop.c b/usr/src/uts/common/io/overlay/overlay_prop.c
new file mode 100644
index 0000000000..ba1ea2a629
--- /dev/null
+++ b/usr/src/uts/common/io/overlay/overlay_prop.c
@@ -0,0 +1,122 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015, Joyent, Inc.
+ */
+
+/*
+ * Routines for manipulating property information structures.
+ *
+ * For more information, see the big theory statement in
+ * uts/common/io/overlay/overlay.c
+ */
+
+#include <sys/overlay_impl.h>
+
+void
+overlay_prop_init(overlay_prop_handle_t phdl)
+{
+	overlay_ioc_propinfo_t *infop = (overlay_ioc_propinfo_t *)phdl;
+	mac_propval_range_t *rangep = (mac_propval_range_t *)infop->oipi_poss;
+
+	infop->oipi_posssize = sizeof (mac_propval_range_t);
+	bzero(rangep, sizeof (mac_propval_range_t));
+}
+
+void
+overlay_prop_set_name(overlay_prop_handle_t phdl, const char *name)
+{
+	overlay_ioc_propinfo_t *infop = (overlay_ioc_propinfo_t *)phdl;
+	(void) strlcpy(infop->oipi_name, name, OVERLAY_PROP_NAMELEN);
+}
+
+void
+overlay_prop_set_prot(overlay_prop_handle_t phdl, overlay_prop_prot_t prot)
+{
+	overlay_ioc_propinfo_t *infop = (overlay_ioc_propinfo_t *)phdl;
+	infop->oipi_prot = prot;
+}
+
+void
+overlay_prop_set_type(overlay_prop_handle_t phdl, overlay_prop_type_t type)
+{
+	overlay_ioc_propinfo_t *infop = (overlay_ioc_propinfo_t *)phdl;
+	infop->oipi_type = type;
+}
+
+int
+overlay_prop_set_default(overlay_prop_handle_t phdl, void *def, ssize_t len)
+{
+	overlay_ioc_propinfo_t *infop = (overlay_ioc_propinfo_t *)phdl;
+
+	if (len > OVERLAY_PROP_SIZEMAX)
+		return (E2BIG);
+
+	if (len < 0)
+		return (EOVERFLOW);
+
+	bcopy(def, infop->oipi_default, len);
+	infop->oipi_defsize = (uint32_t)len;
+
+	return (0);
+}
+
+void
+overlay_prop_set_nodefault(overlay_prop_handle_t phdl)
+{
+	overlay_ioc_propinfo_t *infop = (overlay_ioc_propinfo_t *)phdl;
+	infop->oipi_default[0] = '\0';
+	infop->oipi_defsize = 0;
+}
+
+void
+overlay_prop_set_range_uint32(overlay_prop_handle_t phdl, uint32_t min,
+    uint32_t max)
+{
+	overlay_ioc_propinfo_t *infop = (overlay_ioc_propinfo_t *)phdl;
+	mac_propval_range_t *rangep = (mac_propval_range_t *)infop->oipi_poss;
+
+	if (rangep->mpr_count != 0 && rangep->mpr_type != MAC_PROPVAL_UINT32)
+		return;
+
+	if (infop->oipi_posssize + sizeof (mac_propval_uint32_range_t) >
+	    sizeof (infop->oipi_poss))
+		return;
+
+	infop->oipi_posssize += sizeof (mac_propval_uint32_range_t);
+	rangep->mpr_count++;
+	rangep->mpr_type = MAC_PROPVAL_UINT32;
+	rangep->u.mpr_uint32[rangep->mpr_count-1].mpur_min = min;
+	rangep->u.mpr_uint32[rangep->mpr_count-1].mpur_max = max;
+}
+
+void
+overlay_prop_set_range_str(overlay_prop_handle_t phdl, const char *str)
+{
+	size_t len = strlen(str) + 1; /* Account for a null terminator */
+	overlay_ioc_propinfo_t *infop = (overlay_ioc_propinfo_t *)phdl;
+	mac_propval_range_t *rangep = (mac_propval_range_t *)infop->oipi_poss;
+	mac_propval_str_range_t *pstr = &rangep->u.mpr_str;
+
+	if (rangep->mpr_count != 0 && rangep->mpr_type != MAC_PROPVAL_STR)
+		return;
+
+	if (infop->oipi_posssize + len > sizeof (infop->oipi_poss))
+		return;
+
+	rangep->mpr_count++;
+	rangep->mpr_type = MAC_PROPVAL_STR;
+	strlcpy((char *)&pstr->mpur_data[pstr->mpur_nextbyte], str,
+	    sizeof (infop->oipi_poss) - infop->oipi_posssize);
+	pstr->mpur_nextbyte += len;
+	infop->oipi_posssize += len;
+}
diff --git a/usr/src/uts/common/io/overlay/overlay_target.c b/usr/src/uts/common/io/overlay/overlay_target.c
new file mode 100644
index 0000000000..c2da20c883
--- /dev/null
+++ b/usr/src/uts/common/io/overlay/overlay_target.c
@@ -0,0 +1,1662 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * Overlay device target cache management
+ *
+ * For more information, see the big theory statement in
+ * uts/common/io/overlay/overlay.c
+ */
+
+#include <sys/types.h>
+#include <sys/ethernet.h>
+#include <sys/kmem.h>
+#include <sys/policy.h>
+#include <sys/sysmacros.h>
+#include <sys/stream.h>
+#include <sys/strsun.h>
+#include <sys/strsubr.h>
+#include <sys/mac_provider.h>
+#include <sys/mac_client.h>
+#include <sys/mac_client_priv.h>
+#include <sys/vlan.h>
+#include <sys/crc32.h>
+#include <sys/cred.h>
+#include <sys/file.h>
+#include <sys/errno.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+
+#include <sys/overlay_impl.h>
+#include <sys/sdt.h>
+
+/*
+ * This is total straw man, but at least it's a prime number. Here we're
+ * going to have to go through and do a lot of evaluation and understanding as
+ * to how these target caches should grow and shrink, as well as, memory
+ * pressure and evictions. This just gives us a starting point that'll be 'good
+ * enough', until it's not.
+ */
+#define	OVERLAY_HSIZE	823
+
+/*
+ * We use this data structure to keep track of what requests have been actively
+ * allocated to a given instance so we know what to put back on the pending
+ * list.
+ */
+typedef struct overlay_target_hdl {
+	minor_t oth_minor;		/* RO */
+	zoneid_t oth_zoneid;		/* RO */
+	int oth_oflags;			/* RO */
+	list_node_t oth_link;		/* overlay_target_lock */
+	kmutex_t oth_lock;
+	list_t	oth_outstanding;	/* oth_lock */
+} overlay_target_hdl_t;
+
+typedef int (*overlay_target_copyin_f)(const void *, void **, size_t *, int);
+typedef int (*overlay_target_ioctl_f)(overlay_target_hdl_t *, void *);
+typedef int (*overlay_target_copyout_f)(void *, void *, size_t, int);
+
+typedef struct overaly_target_ioctl {
+	int		oti_cmd;	/* ioctl id */
+	boolean_t	oti_write;	/* ioctl requires FWRITE */
+	boolean_t	oti_ncopyout;	/* copyout data? */
+	overlay_target_copyin_f oti_copyin;	/* copyin func */
+	overlay_target_ioctl_f oti_func; /* function to call */
+	overlay_target_copyout_f oti_copyout;	/* copyin func */
+	size_t		oti_size;	/* size of user level structure */
+} overlay_target_ioctl_t;
+
+static kmem_cache_t *overlay_target_cache;
+static kmem_cache_t *overlay_entry_cache;
+static id_space_t *overlay_thdl_idspace;
+static void *overlay_thdl_state;
+
+/*
+ * When we support overlay devices in the NGZ, then all of these need to become
+ * zone aware, by plugging into the netstack engine and becoming per-netstack
+ * data.
+ */
+static list_t overlay_thdl_list;
+static kmutex_t overlay_target_lock;
+static kcondvar_t overlay_target_condvar;
+static list_t overlay_target_list;
+static boolean_t overlay_target_excl;
+
+/*
+ * Outstanding data per hash table entry.
+ */
+static int overlay_ent_size = 128 * 1024;
+
+/* ARGSUSED */
+static int
+overlay_target_cache_constructor(void *buf, void *arg, int kmflgs)
+{
+	overlay_target_t *ott = buf;
+
+	mutex_init(&ott->ott_lock, NULL, MUTEX_DRIVER, NULL);
+	cv_init(&ott->ott_cond, NULL, CV_DRIVER, NULL);
+	return (0);
+}
+
+/* ARGSUSED */
+static void
+overlay_target_cache_destructor(void *buf, void *arg)
+{
+	overlay_target_t *ott = buf;
+
+	cv_destroy(&ott->ott_cond);
+	mutex_destroy(&ott->ott_lock);
+}
+
+/* ARGSUSED */
+static int
+overlay_entry_cache_constructor(void *buf, void *arg, int kmflgs)
+{
+	overlay_target_entry_t *ote = buf;
+
+	bzero(ote, sizeof (overlay_target_entry_t));
+	mutex_init(&ote->ote_lock, NULL, MUTEX_DRIVER, NULL);
+	return (0);
+}
+
+/* ARGSUSED */
+static void
+overlay_entry_cache_destructor(void *buf, void *arg)
+{
+	overlay_target_entry_t *ote = buf;
+
+	mutex_destroy(&ote->ote_lock);
+}
+
+static uint64_t
+overlay_mac_hash(const void *v)
+{
+	uint32_t crc;
+	CRC32(crc, v, ETHERADDRL, -1U, crc32_table);
+	return (crc);
+}
+
+static int
+overlay_mac_cmp(const void *a, const void *b)
+{
+	return (bcmp(a, b, ETHERADDRL));
+}
+
+/* ARGSUSED */
+static void
+overlay_target_entry_dtor(void *arg)
+{
+	overlay_target_entry_t *ote = arg;
+
+	ote->ote_flags = 0;
+	bzero(ote->ote_addr, ETHERADDRL);
+	ote->ote_ott = NULL;
+	ote->ote_odd = NULL;
+	freemsgchain(ote->ote_chead);
+	ote->ote_chead = ote->ote_ctail = NULL;
+	ote->ote_mbsize = 0;
+	ote->ote_vtime = 0;
+	kmem_cache_free(overlay_entry_cache, ote);
+}
+
+static int
+overlay_mac_avl(const void *a, const void *b)
+{
+	int i;
+	const overlay_target_entry_t *l, *r;
+	l = a;
+	r = b;
+
+	for (i = 0; i < ETHERADDRL; i++) {
+		if (l->ote_addr[i] > r->ote_addr[i])
+			return (1);
+		else if (l->ote_addr[i] < r->ote_addr[i])
+			return (-1);
+	}
+
+	return (0);
+}
+
+void
+overlay_target_init(void)
+{
+	int ret;
+	ret = ddi_soft_state_init(&overlay_thdl_state,
+	    sizeof (overlay_target_hdl_t), 1);
+	VERIFY(ret == 0);
+	overlay_target_cache = kmem_cache_create("overlay_target",
+	    sizeof (overlay_target_t), 0, overlay_target_cache_constructor,
+	    overlay_target_cache_destructor, NULL, NULL, NULL, 0);
+	overlay_entry_cache = kmem_cache_create("overlay_entry",
+	    sizeof (overlay_target_entry_t), 0, overlay_entry_cache_constructor,
+	    overlay_entry_cache_destructor, NULL, NULL, NULL, 0);
+	mutex_init(&overlay_target_lock, NULL, MUTEX_DRIVER, NULL);
+	cv_init(&overlay_target_condvar, NULL, CV_DRIVER, NULL);
+	list_create(&overlay_target_list, sizeof (overlay_target_entry_t),
+	    offsetof(overlay_target_entry_t, ote_qlink));
+	list_create(&overlay_thdl_list, sizeof (overlay_target_hdl_t),
+	    offsetof(overlay_target_hdl_t, oth_link));
+	overlay_thdl_idspace = id_space_create("overlay_target_minors",
+	    1, INT32_MAX);
+}
+
+void
+overlay_target_fini(void)
+{
+	id_space_destroy(overlay_thdl_idspace);
+	list_destroy(&overlay_thdl_list);
+	list_destroy(&overlay_target_list);
+	cv_destroy(&overlay_target_condvar);
+	mutex_destroy(&overlay_target_lock);
+	kmem_cache_destroy(overlay_entry_cache);
+	kmem_cache_destroy(overlay_target_cache);
+	ddi_soft_state_fini(&overlay_thdl_state);
+}
+
+void
+overlay_target_free(overlay_dev_t *odd)
+{
+	if (odd->odd_target == NULL)
+		return;
+
+	if (odd->odd_target->ott_mode == OVERLAY_TARGET_DYNAMIC) {
+		refhash_t *rp = odd->odd_target->ott_u.ott_dyn.ott_dhash;
+		avl_tree_t *ap = &odd->odd_target->ott_u.ott_dyn.ott_tree;
+		overlay_target_entry_t *ote;
+
+		/*
+		 * Our AVL tree and hashtable contain the same elements,
+		 * therefore we should just remove it from the tree, but then
+		 * delete the entries when we remove them from the hash table
+		 * (which happens through the refhash dtor).
+		 */
+		while ((ote = avl_first(ap)) != NULL)
+			avl_remove(ap, ote);
+
+		avl_destroy(ap);
+		for (ote = refhash_first(rp); ote != NULL;
+		    ote = refhash_next(rp, ote)) {
+			refhash_remove(rp, ote);
+		}
+		refhash_destroy(rp);
+	}
+
+	ASSERT(odd->odd_target->ott_ocount == 0);
+	kmem_cache_free(overlay_target_cache, odd->odd_target);
+}
+
+int
+overlay_target_busy()
+{
+	int ret;
+
+	mutex_enter(&overlay_target_lock);
+	ret = !list_is_empty(&overlay_thdl_list);
+	mutex_exit(&overlay_target_lock);
+
+	return (ret);
+}
+
+static void
+overlay_target_queue(overlay_target_entry_t *entry)
+{
+	mutex_enter(&overlay_target_lock);
+	mutex_enter(&entry->ote_ott->ott_lock);
+	if (entry->ote_ott->ott_flags & OVERLAY_T_TEARDOWN) {
+		mutex_exit(&entry->ote_ott->ott_lock);
+		mutex_exit(&overlay_target_lock);
+		return;
+	}
+	entry->ote_ott->ott_ocount++;
+	mutex_exit(&entry->ote_ott->ott_lock);
+	list_insert_tail(&overlay_target_list, entry);
+	cv_signal(&overlay_target_condvar);
+	mutex_exit(&overlay_target_lock);
+}
+
+void
+overlay_target_quiesce(overlay_target_t *ott)
+{
+	if (ott == NULL)
+		return;
+	mutex_enter(&ott->ott_lock);
+	ott->ott_flags |= OVERLAY_T_TEARDOWN;
+	while (ott->ott_ocount != 0)
+		cv_wait(&ott->ott_cond, &ott->ott_lock);
+	mutex_exit(&ott->ott_lock);
+}
+
+/*
+ * This functions assumes that the destination mode is OVERLAY_PLUGIN_D_IP |
+ * OVERLAY_PLUGIN_D_PORT. As we don't have an implementation of anything else at
+ * this time, say for NVGRE, we drop all packets that mcuh this.
+ */
+int
+overlay_target_lookup(overlay_dev_t *odd, mblk_t *mp, struct sockaddr *sock,
+    socklen_t *slenp)
+{
+	int ret;
+	struct sockaddr_in6 *v6;
+	overlay_target_t *ott;
+	mac_header_info_t mhi;
+	overlay_target_entry_t *entry;
+
+	ASSERT(odd->odd_target != NULL);
+
+	/*
+	 * At this point, the overlay device is in a mux which means that it's
+	 * been activated. At this point, parts of the target, such as the mode
+	 * and the destination are now read-only and we don't have to worry
+	 * about synchronization for them.
+	 */
+	ott = odd->odd_target;
+	if (ott->ott_dest != (OVERLAY_PLUGIN_D_IP | OVERLAY_PLUGIN_D_PORT))
+		return (OVERLAY_TARGET_DROP);
+
+	v6 = (struct sockaddr_in6 *)sock;
+	bzero(v6, sizeof (struct sockaddr_in6));
+	v6->sin6_family = AF_INET6;
+
+	if (ott->ott_mode == OVERLAY_TARGET_POINT) {
+		mutex_enter(&ott->ott_lock);
+		bcopy(&ott->ott_u.ott_point.otp_ip, &v6->sin6_addr,
+		    sizeof (struct in6_addr));
+		v6->sin6_port = htons(ott->ott_u.ott_point.otp_port);
+		mutex_exit(&ott->ott_lock);
+		*slenp = sizeof (struct sockaddr_in6);
+
+		return (OVERLAY_TARGET_OK);
+	}
+
+	ASSERT(ott->ott_mode == OVERLAY_TARGET_DYNAMIC);
+
+	/*
+	 * Note we only want the MAC address here, therefore we won't bother
+	 * using mac_vlan_header_info(). If any caller needs the vlan info at
+	 * this point, this should change to a call to mac_vlan_header_info().
+	 */
+	if (mac_header_info(odd->odd_mh, mp, &mhi) != 0)
+		return (OVERLAY_TARGET_DROP);
+	mutex_enter(&ott->ott_lock);
+	entry = refhash_lookup(ott->ott_u.ott_dyn.ott_dhash,
+	    mhi.mhi_daddr);
+	if (entry == NULL) {
+		entry = kmem_cache_alloc(overlay_entry_cache,
+		    KM_NOSLEEP | KM_NORMALPRI);
+		if (entry == NULL) {
+			mutex_exit(&ott->ott_lock);
+			return (OVERLAY_TARGET_DROP);
+		}
+		bcopy(mhi.mhi_daddr, entry->ote_addr, ETHERADDRL);
+		entry->ote_chead = entry->ote_ctail = mp;
+		entry->ote_mbsize = msgsize(mp);
+		entry->ote_flags |= OVERLAY_ENTRY_F_PENDING;
+		entry->ote_ott = ott;
+		entry->ote_odd = odd;
+		refhash_insert(ott->ott_u.ott_dyn.ott_dhash, entry);
+		avl_add(&ott->ott_u.ott_dyn.ott_tree, entry);
+		mutex_exit(&ott->ott_lock);
+		overlay_target_queue(entry);
+		return (OVERLAY_TARGET_ASYNC);
+	}
+	refhash_hold(ott->ott_u.ott_dyn.ott_dhash, entry);
+	mutex_exit(&ott->ott_lock);
+
+	mutex_enter(&entry->ote_lock);
+	if (entry->ote_flags & OVERLAY_ENTRY_F_DROP) {
+		ret = OVERLAY_TARGET_DROP;
+	} else if (entry->ote_flags & OVERLAY_ENTRY_F_VALID) {
+		bcopy(&entry->ote_dest.otp_ip, &v6->sin6_addr,
+		    sizeof (struct in6_addr));
+		v6->sin6_port = htons(entry->ote_dest.otp_port);
+		*slenp = sizeof (struct sockaddr_in6);
+		ret = OVERLAY_TARGET_OK;
+	} else {
+		size_t mlen = msgsize(mp);
+
+		if (mlen + entry->ote_mbsize > overlay_ent_size) {
+			ret = OVERLAY_TARGET_DROP;
+		} else {
+			if (entry->ote_ctail != NULL) {
+				ASSERT(entry->ote_ctail->b_next ==
+				    NULL);
+				entry->ote_ctail->b_next = mp;
+				entry->ote_ctail = mp;
+			} else {
+				entry->ote_chead = mp;
+				entry->ote_ctail = mp;
+			}
+			entry->ote_mbsize += mlen;
+			if ((entry->ote_flags &
+			    OVERLAY_ENTRY_F_PENDING) == 0) {
+				entry->ote_flags |=
+				    OVERLAY_ENTRY_F_PENDING;
+				overlay_target_queue(entry);
+			}
+			ret = OVERLAY_TARGET_ASYNC;
+		}
+	}
+	mutex_exit(&entry->ote_lock);
+
+	mutex_enter(&ott->ott_lock);
+	refhash_rele(ott->ott_u.ott_dyn.ott_dhash, entry);
+	mutex_exit(&ott->ott_lock);
+
+	return (ret);
+}
+
+/* ARGSUSED */
+static int
+overlay_target_info(overlay_target_hdl_t *thdl, void *arg)
+{
+	overlay_dev_t *odd;
+	overlay_targ_info_t *oti = arg;
+
+	odd = overlay_hold_by_dlid(oti->oti_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+
+	mutex_enter(&odd->odd_lock);
+	oti->oti_flags = 0;
+	oti->oti_needs = odd->odd_plugin->ovp_dest;
+	if (odd->odd_flags & OVERLAY_F_DEGRADED)
+		oti->oti_flags |= OVERLAY_TARG_INFO_F_DEGRADED;
+	if (odd->odd_flags & OVERLAY_F_ACTIVATED)
+		oti->oti_flags |= OVERLAY_TARG_INFO_F_ACTIVE;
+	oti->oti_vnetid = odd->odd_vid;
+	mutex_exit(&odd->odd_lock);
+	overlay_hold_rele(odd);
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+overlay_target_associate(overlay_target_hdl_t *thdl, void *arg)
+{
+	overlay_dev_t *odd;
+	overlay_target_t *ott;
+	overlay_targ_associate_t *ota = arg;
+
+	odd = overlay_hold_by_dlid(ota->ota_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+
+	if (ota->ota_id == 0) {
+		overlay_hold_rele(odd);
+		return (EINVAL);
+	}
+
+	if (ota->ota_mode != OVERLAY_TARGET_POINT &&
+	    ota->ota_mode != OVERLAY_TARGET_DYNAMIC) {
+		overlay_hold_rele(odd);
+		return (EINVAL);
+	}
+
+	if (ota->ota_provides != odd->odd_plugin->ovp_dest) {
+		overlay_hold_rele(odd);
+		return (EINVAL);
+	}
+
+	if (ota->ota_mode == OVERLAY_TARGET_POINT) {
+		if (ota->ota_provides & OVERLAY_PLUGIN_D_IP) {
+			if (IN6_IS_ADDR_UNSPECIFIED(&ota->ota_point.otp_ip) ||
+			    IN6_IS_ADDR_V4COMPAT(&ota->ota_point.otp_ip) ||
+			    IN6_IS_ADDR_V4MAPPED_ANY(&ota->ota_point.otp_ip)) {
+				overlay_hold_rele(odd);
+				return (EINVAL);
+			}
+		}
+
+		if (ota->ota_provides & OVERLAY_PLUGIN_D_PORT) {
+			if (ota->ota_point.otp_port == 0) {
+				overlay_hold_rele(odd);
+				return (EINVAL);
+			}
+		}
+	}
+
+	ott = kmem_cache_alloc(overlay_target_cache, KM_SLEEP);
+	ott->ott_flags = 0;
+	ott->ott_ocount = 0;
+	ott->ott_mode = ota->ota_mode;
+	ott->ott_dest = ota->ota_provides;
+	ott->ott_id = ota->ota_id;
+
+	if (ott->ott_mode == OVERLAY_TARGET_POINT) {
+		bcopy(&ota->ota_point, &ott->ott_u.ott_point,
+		    sizeof (overlay_target_point_t));
+	} else {
+		ott->ott_u.ott_dyn.ott_dhash = refhash_create(OVERLAY_HSIZE,
+		    overlay_mac_hash, overlay_mac_cmp,
+		    overlay_target_entry_dtor, sizeof (overlay_target_entry_t),
+		    offsetof(overlay_target_entry_t, ote_reflink),
+		    offsetof(overlay_target_entry_t, ote_addr), KM_SLEEP);
+		avl_create(&ott->ott_u.ott_dyn.ott_tree, overlay_mac_avl,
+		    sizeof (overlay_target_entry_t),
+		    offsetof(overlay_target_entry_t, ote_avllink));
+	}
+	mutex_enter(&odd->odd_lock);
+	if (odd->odd_flags & OVERLAY_F_VARPD) {
+		mutex_exit(&odd->odd_lock);
+		kmem_cache_free(overlay_target_cache, ott);
+		overlay_hold_rele(odd);
+		return (EEXIST);
+	}
+
+	odd->odd_flags |= OVERLAY_F_VARPD;
+	odd->odd_target = ott;
+	mutex_exit(&odd->odd_lock);
+
+	/*
+	 * Now that we've successfully integrated ourselves here, we should note
+	 * that the link state is now up, and transition it away from UKNOWN.
+	 */
+	mac_link_update(odd->odd_mh, LINK_STATE_UP);
+
+	overlay_hold_rele(odd);
+
+
+	return (0);
+}
+
+
+/* ARGSUSED */
+static int
+overlay_target_degrade(overlay_target_hdl_t *thdl, void *arg)
+{
+	overlay_dev_t *odd;
+	overlay_targ_degrade_t *otd = arg;
+
+	odd = overlay_hold_by_dlid(otd->otd_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+
+	overlay_fm_degrade(odd, otd->otd_buf);
+	overlay_hold_rele(odd);
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+overlay_target_restore(overlay_target_hdl_t *thdl, void *arg)
+{
+	overlay_dev_t *odd;
+	overlay_targ_id_t *otid = arg;
+
+	odd = overlay_hold_by_dlid(otid->otid_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+
+	overlay_fm_restore(odd);
+	overlay_hold_rele(odd);
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+overlay_target_disassociate(overlay_target_hdl_t *thdl, void *arg)
+{
+	overlay_dev_t *odd;
+	overlay_targ_id_t *otid = arg;
+
+	odd = overlay_hold_by_dlid(otid->otid_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+
+	mutex_enter(&odd->odd_lock);
+	odd->odd_flags &= ~OVERLAY_F_VARPD;
+	mutex_exit(&odd->odd_lock);
+
+	/*
+	 * Without a varpd instance, we should consider ourselves link down.
+	 */
+	mac_link_update(odd->odd_mh, LINK_STATE_DOWN);
+
+	overlay_hold_rele(odd);
+	return (0);
+
+}
+
+static int
+overlay_target_lookup_request(overlay_target_hdl_t *thdl, void *arg)
+{
+	overlay_targ_lookup_t *otl = arg;
+	overlay_target_entry_t *entry;
+	clock_t ret, timeout;
+	mac_header_info_t mhi;
+
+	timeout = ddi_get_lbolt() + drv_usectohz(MICROSEC);
+again:
+	mutex_enter(&overlay_target_lock);
+	while (list_is_empty(&overlay_target_list)) {
+		ret = cv_timedwait(&overlay_target_condvar,
+		    &overlay_target_lock, timeout);
+		if (ret == -1) {
+			mutex_exit(&overlay_target_lock);
+			return (ETIME);
+		}
+	}
+	entry = list_remove_head(&overlay_target_list);
+	mutex_exit(&overlay_target_lock);
+	mutex_enter(&entry->ote_lock);
+	if (entry->ote_flags & OVERLAY_ENTRY_F_VALID) {
+		ASSERT(entry->ote_chead == NULL);
+		mutex_exit(&entry->ote_lock);
+		goto again;
+	}
+	ASSERT(entry->ote_chead != NULL);
+
+	/*
+	 * If we have a bogon that doesn't have a valid mac header, drop it and
+	 * try again.
+	 */
+	if (mac_vlan_header_info(entry->ote_odd->odd_mh, entry->ote_chead,
+	    &mhi) != 0) {
+		boolean_t queue = B_FALSE;
+		mblk_t *mp = entry->ote_chead;
+		entry->ote_chead = mp->b_next;
+		mp->b_next = NULL;
+		if (entry->ote_ctail == mp)
+			entry->ote_ctail = entry->ote_chead;
+		entry->ote_mbsize -= msgsize(mp);
+		if (entry->ote_chead != NULL)
+			queue = B_TRUE;
+		mutex_exit(&entry->ote_lock);
+		if (queue == B_TRUE)
+			overlay_target_queue(entry);
+		freemsg(mp);
+		goto again;
+	}
+
+	otl->otl_dlid = entry->ote_odd->odd_linkid;
+	otl->otl_reqid = (uintptr_t)entry;
+	otl->otl_varpdid = entry->ote_ott->ott_id;
+	otl->otl_vnetid = entry->ote_odd->odd_vid;
+
+	otl->otl_hdrsize = mhi.mhi_hdrsize;
+	otl->otl_pktsize = msgsize(entry->ote_chead) - otl->otl_hdrsize;
+	bcopy(mhi.mhi_daddr, otl->otl_dstaddr, ETHERADDRL);
+	bcopy(mhi.mhi_saddr, otl->otl_srcaddr, ETHERADDRL);
+	otl->otl_dsttype = mhi.mhi_dsttype;
+	otl->otl_sap = mhi.mhi_bindsap;
+	otl->otl_vlan = VLAN_ID(mhi.mhi_tci);
+	mutex_exit(&entry->ote_lock);
+
+	mutex_enter(&thdl->oth_lock);
+	list_insert_tail(&thdl->oth_outstanding, entry);
+	mutex_exit(&thdl->oth_lock);
+
+	return (0);
+}
+
+static int
+overlay_target_lookup_respond(overlay_target_hdl_t *thdl, void *arg)
+{
+	const overlay_targ_resp_t *otr = arg;
+	overlay_target_entry_t *entry;
+	mblk_t *mp;
+
+	mutex_enter(&thdl->oth_lock);
+	for (entry = list_head(&thdl->oth_outstanding); entry != NULL;
+	    entry = list_next(&thdl->oth_outstanding, entry)) {
+		if ((uintptr_t)entry == otr->otr_reqid)
+			break;
+	}
+
+	if (entry == NULL) {
+		mutex_exit(&thdl->oth_lock);
+		return (EINVAL);
+	}
+	list_remove(&thdl->oth_outstanding, entry);
+	mutex_exit(&thdl->oth_lock);
+
+	mutex_enter(&entry->ote_lock);
+	bcopy(&otr->otr_answer, &entry->ote_dest,
+	    sizeof (overlay_target_point_t));
+	entry->ote_flags &= ~OVERLAY_ENTRY_F_PENDING;
+	entry->ote_flags |= OVERLAY_ENTRY_F_VALID;
+	mp = entry->ote_chead;
+	entry->ote_chead = NULL;
+	entry->ote_ctail = NULL;
+	entry->ote_mbsize = 0;
+	entry->ote_vtime = gethrtime();
+	mutex_exit(&entry->ote_lock);
+
+	/*
+	 * For now do an in-situ drain.
+	 */
+	mp = overlay_m_tx(entry->ote_odd, mp);
+	freemsgchain(mp);
+
+	mutex_enter(&entry->ote_ott->ott_lock);
+	entry->ote_ott->ott_ocount--;
+	cv_signal(&entry->ote_ott->ott_cond);
+	mutex_exit(&entry->ote_ott->ott_lock);
+
+	return (0);
+}
+
+static int
+overlay_target_lookup_drop(overlay_target_hdl_t *thdl, void *arg)
+{
+	const overlay_targ_resp_t *otr = arg;
+	overlay_target_entry_t *entry;
+	mblk_t *mp;
+	boolean_t queue = B_FALSE;
+
+	mutex_enter(&thdl->oth_lock);
+	for (entry = list_head(&thdl->oth_outstanding); entry != NULL;
+	    entry = list_next(&thdl->oth_outstanding, entry)) {
+		if ((uintptr_t)entry == otr->otr_reqid)
+			break;
+	}
+
+	if (entry == NULL) {
+		mutex_exit(&thdl->oth_lock);
+		return (EINVAL);
+	}
+	list_remove(&thdl->oth_outstanding, entry);
+	mutex_exit(&thdl->oth_lock);
+
+	mutex_enter(&entry->ote_lock);
+
+	/* Safeguard against a confused varpd */
+	if (entry->ote_flags & OVERLAY_ENTRY_F_VALID) {
+		entry->ote_flags &= ~OVERLAY_ENTRY_F_PENDING;
+		DTRACE_PROBE1(overlay__target__valid__drop,
+		    overlay_target_entry_t *, entry);
+		mutex_exit(&entry->ote_lock);
+		goto done;
+	}
+
+	mp = entry->ote_chead;
+	if (mp != NULL) {
+		entry->ote_chead = mp->b_next;
+		mp->b_next = NULL;
+		if (entry->ote_ctail == mp)
+			entry->ote_ctail = entry->ote_chead;
+		entry->ote_mbsize -= msgsize(mp);
+	}
+	if (entry->ote_chead != NULL) {
+		queue = B_TRUE;
+		entry->ote_flags |= OVERLAY_ENTRY_F_PENDING;
+	} else {
+		entry->ote_flags &= ~OVERLAY_ENTRY_F_PENDING;
+	}
+	mutex_exit(&entry->ote_lock);
+
+	if (queue == B_TRUE)
+		overlay_target_queue(entry);
+	freemsg(mp);
+
+done:
+	mutex_enter(&entry->ote_ott->ott_lock);
+	entry->ote_ott->ott_ocount--;
+	cv_signal(&entry->ote_ott->ott_cond);
+	mutex_exit(&entry->ote_ott->ott_lock);
+
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+overlay_target_pkt_copyin(const void *ubuf, void **outp, size_t *bsize,
+    int flags)
+{
+	overlay_targ_pkt_t *pkt;
+	overlay_targ_pkt32_t *pkt32;
+
+	pkt = kmem_alloc(sizeof (overlay_targ_pkt_t), KM_SLEEP);
+	*outp = pkt;
+	*bsize = sizeof (overlay_targ_pkt_t);
+	if (ddi_model_convert_from(flags & FMODELS) == DDI_MODEL_ILP32) {
+		uintptr_t addr;
+
+		if (ddi_copyin(ubuf, pkt, sizeof (overlay_targ_pkt32_t),
+		    flags & FKIOCTL) != 0) {
+			kmem_free(pkt, *bsize);
+			return (EFAULT);
+		}
+		pkt32 = (overlay_targ_pkt32_t *)pkt;
+		addr = pkt32->otp_buf;
+		pkt->otp_buf = (void *)addr;
+	} else {
+		if (ddi_copyin(ubuf, pkt, *bsize, flags & FKIOCTL) != 0) {
+			kmem_free(pkt, *bsize);
+			return (EFAULT);
+		}
+	}
+	return (0);
+}
+
+static int
+overlay_target_pkt_copyout(void *ubuf, void *buf, size_t bufsize,
+    int flags)
+{
+	if (ddi_model_convert_from(flags & FMODELS) == DDI_MODEL_ILP32) {
+		overlay_targ_pkt_t *pkt = buf;
+		overlay_targ_pkt32_t *pkt32 = buf;
+		uintptr_t addr = (uintptr_t)pkt->otp_buf;
+		pkt32->otp_buf = (caddr32_t)addr;
+		if (ddi_copyout(buf, ubuf, sizeof (overlay_targ_pkt32_t),
+		    flags & FKIOCTL) != 0)
+			return (EFAULT);
+	} else {
+		if (ddi_copyout(buf, ubuf, bufsize, flags & FKIOCTL) != 0)
+			return (EFAULT);
+	}
+	return (0);
+}
+
+static int
+overlay_target_packet(overlay_target_hdl_t *thdl, void *arg)
+{
+	overlay_targ_pkt_t *pkt = arg;
+	overlay_target_entry_t *entry;
+	mblk_t *mp;
+	size_t mlen;
+	size_t boff;
+
+	mutex_enter(&thdl->oth_lock);
+	for (entry = list_head(&thdl->oth_outstanding); entry != NULL;
+	    entry = list_next(&thdl->oth_outstanding, entry)) {
+		if ((uintptr_t)entry == pkt->otp_reqid)
+			break;
+	}
+
+	if (entry == NULL) {
+		mutex_exit(&thdl->oth_lock);
+		return (EINVAL);
+	}
+	mutex_enter(&entry->ote_lock);
+	mutex_exit(&thdl->oth_lock);
+	mp = entry->ote_chead;
+	/* Protect against a rogue varpd */
+	if (mp == NULL) {
+		mutex_exit(&entry->ote_lock);
+		return (EINVAL);
+	}
+	mlen = MIN(msgsize(mp), pkt->otp_size);
+	pkt->otp_size = mlen;
+	boff = 0;
+	while (mlen > 0) {
+		size_t wlen = MIN(MBLKL(mp), mlen);
+		if (ddi_copyout(mp->b_rptr,
+		    (void *)((uintptr_t)pkt->otp_buf + boff),
+		    wlen, 0) != 0) {
+			mutex_exit(&entry->ote_lock);
+			return (EFAULT);
+		}
+		mlen -= wlen;
+		boff += wlen;
+		mp = mp->b_cont;
+	}
+	mutex_exit(&entry->ote_lock);
+	return (0);
+}
+
+static int
+overlay_target_inject(overlay_target_hdl_t *thdl, void *arg)
+{
+	overlay_targ_pkt_t *pkt = arg;
+	overlay_target_entry_t *entry;
+	overlay_dev_t *odd;
+	mblk_t *mp;
+
+	if (pkt->otp_size > ETHERMAX + VLAN_TAGSZ)
+		return (EINVAL);
+
+	mp = allocb(pkt->otp_size, 0);
+	if (mp == NULL)
+		return (ENOMEM);
+
+	if (ddi_copyin(pkt->otp_buf, mp->b_rptr, pkt->otp_size, 0) != 0) {
+		freeb(mp);
+		return (EFAULT);
+	}
+	mp->b_wptr += pkt->otp_size;
+
+	if (pkt->otp_linkid != UINT64_MAX) {
+		odd = overlay_hold_by_dlid(pkt->otp_linkid);
+		if (odd == NULL) {
+			freeb(mp);
+			return (ENOENT);
+		}
+	} else {
+		mutex_enter(&thdl->oth_lock);
+		for (entry = list_head(&thdl->oth_outstanding); entry != NULL;
+		    entry = list_next(&thdl->oth_outstanding, entry)) {
+			if ((uintptr_t)entry == pkt->otp_reqid)
+				break;
+		}
+
+		if (entry == NULL) {
+			mutex_exit(&thdl->oth_lock);
+			freeb(mp);
+			return (ENOENT);
+		}
+		odd = entry->ote_odd;
+		mutex_exit(&thdl->oth_lock);
+	}
+
+	mutex_enter(&odd->odd_lock);
+	overlay_io_start(odd, OVERLAY_F_IN_RX);
+	mutex_exit(&odd->odd_lock);
+
+	mac_rx(odd->odd_mh, NULL, mp);
+
+	mutex_enter(&odd->odd_lock);
+	overlay_io_done(odd, OVERLAY_F_IN_RX);
+	mutex_exit(&odd->odd_lock);
+
+	return (0);
+}
+
+static int
+overlay_target_resend(overlay_target_hdl_t *thdl, void *arg)
+{
+	overlay_targ_pkt_t *pkt = arg;
+	overlay_target_entry_t *entry;
+	overlay_dev_t *odd;
+	mblk_t *mp;
+
+	if (pkt->otp_size > ETHERMAX + VLAN_TAGSZ)
+		return (EINVAL);
+
+	mp = allocb(pkt->otp_size, 0);
+	if (mp == NULL)
+		return (ENOMEM);
+
+	if (ddi_copyin(pkt->otp_buf, mp->b_rptr, pkt->otp_size, 0) != 0) {
+		freeb(mp);
+		return (EFAULT);
+	}
+	mp->b_wptr += pkt->otp_size;
+
+	if (pkt->otp_linkid != UINT64_MAX) {
+		odd = overlay_hold_by_dlid(pkt->otp_linkid);
+		if (odd == NULL) {
+			freeb(mp);
+			return (ENOENT);
+		}
+	} else {
+		mutex_enter(&thdl->oth_lock);
+		for (entry = list_head(&thdl->oth_outstanding); entry != NULL;
+		    entry = list_next(&thdl->oth_outstanding, entry)) {
+			if ((uintptr_t)entry == pkt->otp_reqid)
+				break;
+		}
+
+		if (entry == NULL) {
+			mutex_exit(&thdl->oth_lock);
+			freeb(mp);
+			return (ENOENT);
+		}
+		odd = entry->ote_odd;
+		mutex_exit(&thdl->oth_lock);
+	}
+
+	mp = overlay_m_tx(odd, mp);
+	freemsgchain(mp);
+
+	return (0);
+}
+
+typedef struct overlay_targ_list_int {
+	boolean_t	otli_count;
+	uint32_t	otli_cur;
+	uint32_t	otli_nents;
+	uint32_t	otli_ents[];
+} overlay_targ_list_int_t;
+
+static int
+overlay_target_list_copyin(const void *ubuf, void **outp, size_t *bsize,
+    int flags)
+{
+	overlay_targ_list_t n;
+	overlay_targ_list_int_t *otl;
+
+	if (ddi_copyin(ubuf, &n, sizeof (overlay_targ_list_t),
+	    flags & FKIOCTL) != 0)
+		return (EFAULT);
+
+	/*
+	 */
+	if (n.otl_nents >= INT32_MAX / sizeof (uint32_t))
+		return (EINVAL);
+	*bsize = sizeof (overlay_targ_list_int_t) +
+	    sizeof (uint32_t) * n.otl_nents;
+	otl = kmem_zalloc(*bsize, KM_SLEEP);
+	otl->otli_cur = 0;
+	otl->otli_nents = n.otl_nents;
+	if (otl->otli_nents != 0) {
+		otl->otli_count = B_FALSE;
+		if (ddi_copyin((void *)((uintptr_t)ubuf +
+		    offsetof(overlay_targ_list_t, otl_ents)),
+		    otl->otli_ents, n.otl_nents * sizeof (uint32_t),
+		    flags & FKIOCTL) != 0) {
+			kmem_free(otl, *bsize);
+			return (EFAULT);
+		}
+	} else {
+		otl->otli_count = B_TRUE;
+	}
+
+	*outp = otl;
+	return (0);
+}
+
+static int
+overlay_target_ioctl_list_cb(overlay_dev_t *odd, void *arg)
+{
+	overlay_targ_list_int_t *otl = arg;
+
+	if (otl->otli_cur < otl->otli_nents)
+		otl->otli_ents[otl->otli_cur] = odd->odd_linkid;
+	otl->otli_cur++;
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+overlay_target_ioctl_list(overlay_target_hdl_t *thdl, void *arg)
+{
+	overlay_dev_iter(overlay_target_ioctl_list_cb, arg);
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+overlay_target_list_copyout(void *ubuf, void *buf, size_t bufsize, int flags)
+{
+	overlay_targ_list_int_t *otl = buf;
+
+	if (ddi_copyout(&otl->otli_cur, ubuf, sizeof (uint32_t),
+	    flags & FKIOCTL) != 0)
+		return (EFAULT);
+
+	if (otl->otli_count == B_FALSE) {
+		if (ddi_copyout(otl->otli_ents,
+		    (void *)((uintptr_t)ubuf +
+		    offsetof(overlay_targ_list_t, otl_ents)),
+		    sizeof (uint32_t) * otl->otli_nents,
+		    flags & FKIOCTL) != 0)
+			return (EFAULT);
+	}
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+overlay_target_cache_get(overlay_target_hdl_t *thdl, void *arg)
+{
+	int ret = 0;
+	overlay_dev_t *odd;
+	overlay_target_t *ott;
+	overlay_targ_cache_t *otc = arg;
+
+	odd = overlay_hold_by_dlid(otc->otc_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+
+	mutex_enter(&odd->odd_lock);
+	if (!(odd->odd_flags & OVERLAY_F_VARPD)) {
+		mutex_exit(&odd->odd_lock);
+		overlay_hold_rele(odd);
+		return (ENXIO);
+	}
+	ott = odd->odd_target;
+	if (ott->ott_mode != OVERLAY_TARGET_POINT &&
+	    ott->ott_mode != OVERLAY_TARGET_DYNAMIC) {
+		mutex_exit(&odd->odd_lock);
+		overlay_hold_rele(odd);
+		return (ENOTSUP);
+	}
+	mutex_enter(&ott->ott_lock);
+	mutex_exit(&odd->odd_lock);
+
+	if (ott->ott_mode == OVERLAY_TARGET_POINT) {
+		otc->otc_entry.otce_flags = 0;
+		bcopy(&ott->ott_u.ott_point, &otc->otc_entry.otce_dest,
+		    sizeof (overlay_target_point_t));
+	} else {
+		overlay_target_entry_t *ote;
+		ote = refhash_lookup(ott->ott_u.ott_dyn.ott_dhash,
+		    otc->otc_entry.otce_mac);
+		if (ote != NULL) {
+			mutex_enter(&ote->ote_lock);
+			if ((ote->ote_flags &
+			    OVERLAY_ENTRY_F_VALID_MASK) != 0) {
+				if (ote->ote_flags & OVERLAY_ENTRY_F_DROP) {
+					otc->otc_entry.otce_flags =
+					    OVERLAY_TARGET_CACHE_DROP;
+				} else {
+					otc->otc_entry.otce_flags = 0;
+					bcopy(&ote->ote_dest,
+					    &otc->otc_entry.otce_dest,
+					    sizeof (overlay_target_point_t));
+				}
+				ret = 0;
+			} else {
+				ret = ENOENT;
+			}
+			mutex_exit(&ote->ote_lock);
+		} else {
+			ret = ENOENT;
+		}
+	}
+
+	mutex_exit(&ott->ott_lock);
+	overlay_hold_rele(odd);
+
+	return (ret);
+}
+
+/* ARGSUSED */
+static int
+overlay_target_cache_set(overlay_target_hdl_t *thdl, void *arg)
+{
+	overlay_dev_t *odd;
+	overlay_target_t *ott;
+	overlay_target_entry_t *ote;
+	overlay_targ_cache_t *otc = arg;
+	mblk_t *mp = NULL;
+
+	if (otc->otc_entry.otce_flags & ~OVERLAY_TARGET_CACHE_DROP)
+		return (EINVAL);
+
+	odd = overlay_hold_by_dlid(otc->otc_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+
+	mutex_enter(&odd->odd_lock);
+	if (!(odd->odd_flags & OVERLAY_F_VARPD)) {
+		mutex_exit(&odd->odd_lock);
+		overlay_hold_rele(odd);
+		return (ENXIO);
+	}
+	ott = odd->odd_target;
+	if (ott->ott_mode != OVERLAY_TARGET_DYNAMIC) {
+		mutex_exit(&odd->odd_lock);
+		overlay_hold_rele(odd);
+		return (ENOTSUP);
+	}
+	mutex_enter(&ott->ott_lock);
+	mutex_exit(&odd->odd_lock);
+
+	ote = refhash_lookup(ott->ott_u.ott_dyn.ott_dhash,
+	    otc->otc_entry.otce_mac);
+	if (ote == NULL) {
+		ote = kmem_cache_alloc(overlay_entry_cache, KM_SLEEP);
+		bcopy(otc->otc_entry.otce_mac, ote->ote_addr, ETHERADDRL);
+		ote->ote_chead = ote->ote_ctail = NULL;
+		ote->ote_mbsize = 0;
+		ote->ote_ott = ott;
+		ote->ote_odd = odd;
+		mutex_enter(&ote->ote_lock);
+		refhash_insert(ott->ott_u.ott_dyn.ott_dhash, ote);
+		avl_add(&ott->ott_u.ott_dyn.ott_tree, ote);
+	} else {
+		mutex_enter(&ote->ote_lock);
+	}
+
+	if (otc->otc_entry.otce_flags & OVERLAY_TARGET_CACHE_DROP) {
+		ote->ote_flags |= OVERLAY_ENTRY_F_DROP;
+	} else {
+		ote->ote_flags |= OVERLAY_ENTRY_F_VALID;
+		bcopy(&otc->otc_entry.otce_dest, &ote->ote_dest,
+		    sizeof (overlay_target_point_t));
+		mp = ote->ote_chead;
+		ote->ote_chead = NULL;
+		ote->ote_ctail = NULL;
+		ote->ote_mbsize = 0;
+		ote->ote_vtime = gethrtime();
+	}
+
+	mutex_exit(&ote->ote_lock);
+	mutex_exit(&ott->ott_lock);
+
+	if (mp != NULL) {
+		mp = overlay_m_tx(ote->ote_odd, mp);
+		freemsgchain(mp);
+	}
+
+	overlay_hold_rele(odd);
+
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+overlay_target_cache_remove(overlay_target_hdl_t *thdl, void *arg)
+{
+	int ret = 0;
+	overlay_dev_t *odd;
+	overlay_target_t *ott;
+	overlay_target_entry_t *ote;
+	overlay_targ_cache_t *otc = arg;
+
+	odd = overlay_hold_by_dlid(otc->otc_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+
+	mutex_enter(&odd->odd_lock);
+	if (!(odd->odd_flags & OVERLAY_F_VARPD)) {
+		mutex_exit(&odd->odd_lock);
+		overlay_hold_rele(odd);
+		return (ENXIO);
+	}
+	ott = odd->odd_target;
+	if (ott->ott_mode != OVERLAY_TARGET_DYNAMIC) {
+		mutex_exit(&odd->odd_lock);
+		overlay_hold_rele(odd);
+		return (ENOTSUP);
+	}
+	mutex_enter(&ott->ott_lock);
+	mutex_exit(&odd->odd_lock);
+
+	ote = refhash_lookup(ott->ott_u.ott_dyn.ott_dhash,
+	    otc->otc_entry.otce_mac);
+	if (ote != NULL) {
+		mutex_enter(&ote->ote_lock);
+		ote->ote_flags &= ~OVERLAY_ENTRY_F_VALID_MASK;
+		mutex_exit(&ote->ote_lock);
+		ret = 0;
+	} else {
+		ret = ENOENT;
+	}
+
+	mutex_exit(&ott->ott_lock);
+	overlay_hold_rele(odd);
+
+	return (ret);
+}
+
+/* ARGSUSED */
+static int
+overlay_target_cache_flush(overlay_target_hdl_t *thdl, void *arg)
+{
+	avl_tree_t *avl;
+	overlay_dev_t *odd;
+	overlay_target_t *ott;
+	overlay_target_entry_t *ote;
+	overlay_targ_cache_t *otc = arg;
+
+	odd = overlay_hold_by_dlid(otc->otc_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+
+	mutex_enter(&odd->odd_lock);
+	if (!(odd->odd_flags & OVERLAY_F_VARPD)) {
+		mutex_exit(&odd->odd_lock);
+		overlay_hold_rele(odd);
+		return (ENXIO);
+	}
+	ott = odd->odd_target;
+	if (ott->ott_mode != OVERLAY_TARGET_DYNAMIC) {
+		mutex_exit(&odd->odd_lock);
+		overlay_hold_rele(odd);
+		return (ENOTSUP);
+	}
+	mutex_enter(&ott->ott_lock);
+	mutex_exit(&odd->odd_lock);
+	avl = &ott->ott_u.ott_dyn.ott_tree;
+
+	for (ote = avl_first(avl); ote != NULL; ote = AVL_NEXT(avl, ote)) {
+		mutex_enter(&ote->ote_lock);
+		ote->ote_flags &= ~OVERLAY_ENTRY_F_VALID_MASK;
+		mutex_exit(&ote->ote_lock);
+	}
+	ote = refhash_lookup(ott->ott_u.ott_dyn.ott_dhash,
+	    otc->otc_entry.otce_mac);
+
+	mutex_exit(&ott->ott_lock);
+	overlay_hold_rele(odd);
+
+	return (0);
+}
+
+static int
+overlay_target_cache_iter_copyin(const void *ubuf, void **outp, size_t *bsize,
+    int flags)
+{
+	overlay_targ_cache_iter_t base, *iter;
+
+	if (ddi_copyin(ubuf, &base, sizeof (overlay_targ_cache_iter_t),
+	    flags & FKIOCTL) != 0)
+		return (EFAULT);
+
+	if (base.otci_count > OVERLAY_TARGET_ITER_MAX)
+		return (E2BIG);
+
+	if (base.otci_count == 0)
+		return (EINVAL);
+
+	*bsize = sizeof (overlay_targ_cache_iter_t) +
+	    base.otci_count * sizeof (overlay_targ_cache_entry_t);
+	iter = kmem_alloc(*bsize, KM_SLEEP);
+	bcopy(&base, iter, sizeof (overlay_targ_cache_iter_t));
+	*outp = iter;
+
+	return (0);
+}
+
+typedef struct overlay_targ_cache_marker {
+	uint8_t		otcm_mac[ETHERADDRL];
+	uint16_t	otcm_done;
+} overlay_targ_cache_marker_t;
+
+/* ARGSUSED */
+static int
+overlay_target_cache_iter(overlay_target_hdl_t *thdl, void *arg)
+{
+	overlay_dev_t *odd;
+	overlay_target_t *ott;
+	overlay_target_entry_t lookup, *ent;
+	overlay_targ_cache_marker_t *mark;
+	avl_index_t where;
+	avl_tree_t *avl;
+	uint16_t written = 0;
+
+	overlay_targ_cache_iter_t *iter = arg;
+	mark = (void *)&iter->otci_marker;
+
+	if (mark->otcm_done != 0) {
+		iter->otci_count = 0;
+		return (0);
+	}
+
+	odd = overlay_hold_by_dlid(iter->otci_linkid);
+	if (odd == NULL)
+		return (ENOENT);
+
+	mutex_enter(&odd->odd_lock);
+	if (!(odd->odd_flags & OVERLAY_F_VARPD)) {
+		mutex_exit(&odd->odd_lock);
+		overlay_hold_rele(odd);
+		return (ENXIO);
+	}
+	ott = odd->odd_target;
+	if (ott->ott_mode != OVERLAY_TARGET_DYNAMIC &&
+	    ott->ott_mode != OVERLAY_TARGET_POINT) {
+		mutex_exit(&odd->odd_lock);
+		overlay_hold_rele(odd);
+		return (ENOTSUP);
+	}
+
+	/*
+	 * Holding this lock across the entire iteration probably isn't very
+	 * good. We should perhaps add an r/w lock for the avl tree. But we'll
+	 * wait until we now it's necessary before we do more.
+	 */
+	mutex_enter(&ott->ott_lock);
+	mutex_exit(&odd->odd_lock);
+
+	if (ott->ott_mode == OVERLAY_TARGET_POINT) {
+		overlay_targ_cache_entry_t *out = &iter->otci_ents[0];
+		bzero(out->otce_mac, ETHERADDRL);
+		out->otce_flags = 0;
+		bcopy(&ott->ott_u.ott_point, &out->otce_dest,
+		    sizeof (overlay_target_point_t));
+		written++;
+		mark->otcm_done = 1;
+	}
+
+	avl = &ott->ott_u.ott_dyn.ott_tree;
+	bcopy(mark->otcm_mac, lookup.ote_addr, ETHERADDRL);
+	ent = avl_find(avl, &lookup, &where);
+
+	/*
+	 * NULL ent means that the entry does not exist, so we want to start
+	 * with the closest node in the tree. This means that we implicitly rely
+	 * on the tree's order and the first node will be the mac 00:00:00:00:00
+	 * and the last will be ff:ff:ff:ff:ff:ff.
+	 */
+	if (ent == NULL) {
+		ent = avl_nearest(avl, where, AVL_AFTER);
+		if (ent == NULL) {
+			mark->otcm_done = 1;
+			goto done;
+		}
+	}
+
+	for (; ent != NULL && written < iter->otci_count;
+	    ent = AVL_NEXT(avl, ent)) {
+		overlay_targ_cache_entry_t *out = &iter->otci_ents[written];
+		mutex_enter(&ent->ote_lock);
+		if ((ent->ote_flags & OVERLAY_ENTRY_F_VALID_MASK) == 0) {
+			mutex_exit(&ent->ote_lock);
+			continue;
+		}
+		bcopy(ent->ote_addr, out->otce_mac, ETHERADDRL);
+		out->otce_flags = 0;
+		if (ent->ote_flags & OVERLAY_ENTRY_F_DROP)
+			out->otce_flags |= OVERLAY_TARGET_CACHE_DROP;
+		if (ent->ote_flags & OVERLAY_ENTRY_F_VALID)
+			bcopy(&ent->ote_dest, &out->otce_dest,
+			    sizeof (overlay_target_point_t));
+		written++;
+		mutex_exit(&ent->ote_lock);
+	}
+
+	if (ent != NULL) {
+		bcopy(ent->ote_addr, mark->otcm_mac, ETHERADDRL);
+	} else {
+		mark->otcm_done = 1;
+	}
+
+done:
+	iter->otci_count = written;
+	mutex_exit(&ott->ott_lock);
+	overlay_hold_rele(odd);
+
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+overlay_target_cache_iter_copyout(void *ubuf, void *buf, size_t bufsize,
+    int flags)
+{
+	size_t outsize;
+	const overlay_targ_cache_iter_t *iter = buf;
+
+	outsize = sizeof (overlay_targ_cache_iter_t) +
+	    iter->otci_count * sizeof (overlay_targ_cache_entry_t);
+
+	if (ddi_copyout(buf, ubuf, outsize, flags & FKIOCTL) != 0)
+		return (EFAULT);
+
+	return (0);
+}
+
+static overlay_target_ioctl_t overlay_target_ioctab[] = {
+	{ OVERLAY_TARG_INFO, B_TRUE, B_TRUE,
+		NULL, overlay_target_info,
+		NULL, sizeof (overlay_targ_info_t)	},
+	{ OVERLAY_TARG_ASSOCIATE, B_TRUE, B_FALSE,
+		NULL, overlay_target_associate,
+		NULL, sizeof (overlay_targ_associate_t)	},
+	{ OVERLAY_TARG_DISASSOCIATE, B_TRUE, B_FALSE,
+		NULL, overlay_target_disassociate,
+		NULL, sizeof (overlay_targ_id_t)	},
+	{ OVERLAY_TARG_DEGRADE, B_TRUE, B_FALSE,
+		NULL, overlay_target_degrade,
+		NULL, sizeof (overlay_targ_degrade_t)	},
+	{ OVERLAY_TARG_RESTORE, B_TRUE, B_FALSE,
+		NULL, overlay_target_restore,
+		NULL, sizeof (overlay_targ_id_t)	},
+	{ OVERLAY_TARG_LOOKUP, B_FALSE, B_TRUE,
+		NULL, overlay_target_lookup_request,
+		NULL, sizeof (overlay_targ_lookup_t)	},
+	{ OVERLAY_TARG_RESPOND, B_TRUE, B_FALSE,
+		NULL, overlay_target_lookup_respond,
+		NULL, sizeof (overlay_targ_resp_t)	},
+	{ OVERLAY_TARG_DROP, B_TRUE, B_FALSE,
+		NULL, overlay_target_lookup_drop,
+		NULL, sizeof (overlay_targ_resp_t)	},
+	{ OVERLAY_TARG_PKT, B_TRUE, B_TRUE,
+		overlay_target_pkt_copyin,
+		overlay_target_packet,
+		overlay_target_pkt_copyout,
+		sizeof (overlay_targ_pkt_t)		},
+	{ OVERLAY_TARG_INJECT, B_TRUE, B_FALSE,
+		overlay_target_pkt_copyin,
+		overlay_target_inject,
+		NULL, sizeof (overlay_targ_pkt_t)	},
+	{ OVERLAY_TARG_RESEND, B_TRUE, B_FALSE,
+		overlay_target_pkt_copyin,
+		overlay_target_resend,
+		NULL, sizeof (overlay_targ_pkt_t)	},
+	{ OVERLAY_TARG_LIST, B_FALSE, B_TRUE,
+		overlay_target_list_copyin,
+		overlay_target_ioctl_list,
+		overlay_target_list_copyout,
+		sizeof (overlay_targ_list_t)		},
+	{ OVERLAY_TARG_CACHE_GET, B_FALSE, B_TRUE,
+		NULL, overlay_target_cache_get,
+		NULL, sizeof (overlay_targ_cache_t)	},
+	{ OVERLAY_TARG_CACHE_SET, B_TRUE, B_TRUE,
+		NULL, overlay_target_cache_set,
+		NULL, sizeof (overlay_targ_cache_t)	},
+	{ OVERLAY_TARG_CACHE_REMOVE, B_TRUE, B_TRUE,
+		NULL, overlay_target_cache_remove,
+		NULL, sizeof (overlay_targ_cache_t)	},
+	{ OVERLAY_TARG_CACHE_FLUSH, B_TRUE, B_TRUE,
+		NULL, overlay_target_cache_flush,
+		NULL, sizeof (overlay_targ_cache_t)	},
+	{ OVERLAY_TARG_CACHE_ITER, B_FALSE, B_TRUE,
+		overlay_target_cache_iter_copyin,
+		overlay_target_cache_iter,
+		overlay_target_cache_iter_copyout,
+		sizeof (overlay_targ_cache_iter_t)		},
+	{ 0 }
+};
+
+int
+overlay_target_open(dev_t *devp, int flags, int otype, cred_t *credp)
+{
+	minor_t mid;
+	overlay_target_hdl_t *thdl;
+
+	if (secpolicy_dl_config(credp) != 0)
+		return (EPERM);
+
+	if (getminor(*devp) != 0)
+		return (ENXIO);
+
+	if (otype & OTYP_BLK)
+		return (EINVAL);
+
+	if (flags & ~(FREAD | FWRITE | FEXCL))
+		return (EINVAL);
+
+	if ((flags & FWRITE) &&
+	    !(flags & FEXCL))
+		return (EINVAL);
+
+	if (!(flags & FREAD) && !(flags & FWRITE))
+		return (EINVAL);
+
+	if (crgetzoneid(credp) != GLOBAL_ZONEID)
+		return (EPERM);
+
+	mid = id_alloc(overlay_thdl_idspace);
+	if (ddi_soft_state_zalloc(overlay_thdl_state, mid) != 0) {
+		id_free(overlay_thdl_idspace, mid);
+		return (ENXIO);
+	}
+
+	thdl = ddi_get_soft_state(overlay_thdl_state, mid);
+	VERIFY(thdl != NULL);
+	thdl->oth_minor = mid;
+	thdl->oth_zoneid = crgetzoneid(credp);
+	thdl->oth_oflags = flags;
+	mutex_init(&thdl->oth_lock, NULL, MUTEX_DRIVER, NULL);
+	list_create(&thdl->oth_outstanding, sizeof (overlay_target_entry_t),
+	    offsetof(overlay_target_entry_t, ote_qlink));
+	*devp = makedevice(getmajor(*devp), mid);
+
+	mutex_enter(&overlay_target_lock);
+	if ((flags & FEXCL) && overlay_target_excl == B_TRUE) {
+		mutex_exit(&overlay_target_lock);
+		list_destroy(&thdl->oth_outstanding);
+		mutex_destroy(&thdl->oth_lock);
+		ddi_soft_state_free(overlay_thdl_state, mid);
+		id_free(overlay_thdl_idspace, mid);
+		return (EEXIST);
+	} else if ((flags & FEXCL) != 0) {
+		VERIFY(overlay_target_excl == B_FALSE);
+		overlay_target_excl = B_TRUE;
+	}
+	list_insert_tail(&overlay_thdl_list, thdl);
+	mutex_exit(&overlay_target_lock);
+
+	return (0);
+}
+
+/* ARGSUSED */
+int
+overlay_target_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp,
+    int *rvalp)
+{
+	overlay_target_ioctl_t *ioc;
+	overlay_target_hdl_t *thdl;
+
+	if (secpolicy_dl_config(credp) != 0)
+		return (EPERM);
+
+	if ((thdl = ddi_get_soft_state(overlay_thdl_state,
+	    getminor(dev))) == NULL)
+		return (ENXIO);
+
+	for (ioc = &overlay_target_ioctab[0]; ioc->oti_cmd != 0; ioc++) {
+		int ret;
+		caddr_t buf;
+		size_t bufsize;
+
+		if (ioc->oti_cmd != cmd)
+			continue;
+
+		if (ioc->oti_write == B_TRUE && !(mode & FWRITE))
+			return (EBADF);
+
+		if (ioc->oti_copyin == NULL) {
+			bufsize = ioc->oti_size;
+			buf = kmem_alloc(bufsize, KM_SLEEP);
+			if (ddi_copyin((void *)(uintptr_t)arg, buf, bufsize,
+			    mode & FKIOCTL) != 0) {
+				kmem_free(buf, bufsize);
+				return (EFAULT);
+			}
+		} else {
+			if ((ret = ioc->oti_copyin((void *)(uintptr_t)arg,
+			    (void **)&buf, &bufsize, mode)) != 0)
+				return (ret);
+		}
+
+		ret = ioc->oti_func(thdl, buf);
+		if (ret == 0 && ioc->oti_size != 0 &&
+		    ioc->oti_ncopyout == B_TRUE) {
+			if (ioc->oti_copyout == NULL) {
+				if (ddi_copyout(buf, (void *)(uintptr_t)arg,
+				    bufsize, mode & FKIOCTL) != 0)
+					ret = EFAULT;
+			} else {
+				ret = ioc->oti_copyout((void *)(uintptr_t)arg,
+				    buf, bufsize, mode);
+			}
+		}
+
+		kmem_free(buf, bufsize);
+		return (ret);
+	}
+
+	return (ENOTTY);
+}
+
+/* ARGSUSED */
+int
+overlay_target_close(dev_t dev, int flags, int otype, cred_t *credp)
+{
+	overlay_target_hdl_t *thdl;
+	overlay_target_entry_t *entry;
+	minor_t mid = getminor(dev);
+
+	if ((thdl = ddi_get_soft_state(overlay_thdl_state, mid)) == NULL)
+		return (ENXIO);
+
+	mutex_enter(&overlay_target_lock);
+	list_remove(&overlay_thdl_list, thdl);
+	mutex_enter(&thdl->oth_lock);
+	while ((entry = list_remove_head(&thdl->oth_outstanding)) != NULL)
+		list_insert_tail(&overlay_target_list, entry);
+	cv_signal(&overlay_target_condvar);
+	mutex_exit(&thdl->oth_lock);
+	if ((thdl->oth_oflags & FEXCL) != 0) {
+		VERIFY(overlay_target_excl == B_TRUE);
+		overlay_target_excl = B_FALSE;
+	}
+	mutex_exit(&overlay_target_lock);
+
+	list_destroy(&thdl->oth_outstanding);
+	mutex_destroy(&thdl->oth_lock);
+	mid = thdl->oth_minor;
+	ddi_soft_state_free(overlay_thdl_state, mid);
+	id_free(overlay_thdl_idspace, mid);
+
+	return (0);
+}
diff --git a/usr/src/uts/common/io/overlay/plugins/overlay_vxlan.c b/usr/src/uts/common/io/overlay/plugins/overlay_vxlan.c
new file mode 100644
index 0000000000..8b4e4ecb42
--- /dev/null
+++ b/usr/src/uts/common/io/overlay/plugins/overlay_vxlan.c
@@ -0,0 +1,372 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * VXLAN encapsulation module
+ *
+ *
+ * The VXLAN header looks as follows in network byte order:
+ *
+ * |0        3| 4 |5                     31|
+ * +----------+---+------------------------+
+ * | Reserved | I | Reserved               |
+ * +---------------------------------------+
+ * | Virtual Network ID         | Reserved |
+ * +----------------------------+----------+
+ * |0                         23|24      31|
+ *
+ * All reserved values must be 0. The I bit must be 1. We call the top
+ * word the VXLAN magic field for the time being. The second word is
+ * definitely not the most friendly way to operate. Specifically, the ID
+ * is a 24-bit big endian value, but we have to make sure not to use the
+ * reserved byte.
+ *
+ * For us, VXLAN encapsulation is a fairly straightforward implementation. It
+ * only has two properties, a listen_ip and a listen_port. These determine on
+ * what address we should be listening on. While we do not have a default
+ * address to listen upon, we do have a default port, which is the IANA assigned
+ * port for VXLAN -- 4789.
+ */
+
+#include <sys/overlay_plugin.h>
+#include <sys/modctl.h>
+#include <sys/errno.h>
+#include <sys/byteorder.h>
+#include <sys/vxlan.h>
+#include <inet/ip.h>
+#include <netinet/in.h>
+#include <sys/strsun.h>
+#include <netinet/udp.h>
+
+static const char *vxlan_ident = "vxlan";
+static uint16_t vxlan_defport = IPPORT_VXLAN;
+
+/*
+ * Should we enable UDP source port hashing for fanout.
+ */
+boolean_t vxlan_fanout = B_TRUE;
+
+static const char *vxlan_props[] = {
+	"vxlan/listen_ip",
+	"vxlan/listen_port",
+	NULL
+};
+
+typedef struct vxlan {
+	kmutex_t vxl_lock;
+	overlay_handle_t vxl_oh;
+	uint16_t vxl_lport;
+	boolean_t vxl_hladdr;
+	struct in6_addr vxl_laddr;
+} vxlan_t;
+
+static int
+vxlan_o_init(overlay_handle_t oh, void **outp)
+{
+	vxlan_t *vxl;
+
+	vxl = kmem_alloc(sizeof (vxlan_t), KM_SLEEP);
+	*outp = vxl;
+	mutex_init(&vxl->vxl_lock, NULL, MUTEX_DRIVER, NULL);
+	vxl->vxl_oh = oh;
+	vxl->vxl_lport = vxlan_defport;
+	vxl->vxl_hladdr = B_FALSE;
+
+	return (0);
+}
+
+static void
+vxlan_o_fini(void *arg)
+{
+	vxlan_t *vxl = arg;
+
+	mutex_destroy(&vxl->vxl_lock);
+	kmem_free(arg, sizeof (vxlan_t));
+}
+
+static int
+vxlan_o_socket(void *arg, int *dp, int *fp, int *pp, struct sockaddr *addr,
+    socklen_t *slenp)
+{
+	vxlan_t *vxl = arg;
+	struct sockaddr_in6 *in;
+
+	in = (struct sockaddr_in6 *)addr;
+	*dp = AF_INET6;
+	*fp = SOCK_DGRAM;
+	*pp = 0;
+	bzero(in, sizeof (struct sockaddr_in6));
+	in->sin6_family = AF_INET6;
+
+	/*
+	 * We should consider a more expressive private errno set that
+	 * provider's can use.
+	 */
+	mutex_enter(&vxl->vxl_lock);
+	if (vxl->vxl_hladdr == B_FALSE) {
+		mutex_exit(&vxl->vxl_lock);
+		return (EINVAL);
+	}
+	in->sin6_port = htons(vxl->vxl_lport);
+	in->sin6_addr = vxl->vxl_laddr;
+	mutex_exit(&vxl->vxl_lock);
+	*slenp = sizeof (struct sockaddr_in6);
+
+	return (0);
+}
+
+static int
+vxlan_o_sockopt(ksocket_t ksock)
+{
+	int val, err;
+	if (vxlan_fanout == B_FALSE)
+		return (0);
+
+	val = UDP_HASH_VXLAN;
+	err = ksocket_setsockopt(ksock, IPPROTO_UDP, UDP_SRCPORT_HASH, &val,
+	    sizeof (val), kcred);
+	return (err);
+}
+
+/* ARGSUSED */
+static int
+vxlan_o_encap(void *arg, mblk_t *mp, ovep_encap_info_t *einfop,
+    mblk_t **outp)
+{
+	mblk_t *ob;
+	vxlan_hdr_t *vxh;
+
+	ASSERT(einfop->ovdi_id < (1 << 24));
+
+	/*
+	 * This allocation could get hot. We may want to have a good way to
+	 * cache and handle this allocation the same way that IP does with
+	 * keeping around a message block per entry, or basically treating this
+	 * as an immutable message block in the system. Basically freemsg() will
+	 * be a nop, but we'll do the right thing with respect to the rest of
+	 * the chain.
+	 */
+	ob = allocb(VXLAN_HDR_LEN, 0);
+	if (ob == NULL)
+		return (ENOMEM);
+
+	vxh = (vxlan_hdr_t *)ob->b_rptr;
+	vxh->vxlan_flags = ntohl(VXLAN_F_VDI);
+	vxh->vxlan_id = htonl((uint32_t)einfop->ovdi_id << VXLAN_ID_SHIFT);
+	ob->b_wptr += VXLAN_HDR_LEN;
+	*outp = ob;
+
+	return (0);
+}
+
+/* ARGSUSED */
+static int
+vxlan_o_decap(void *arg, mblk_t *mp, ovep_encap_info_t *dinfop)
+{
+	vxlan_hdr_t *vxh;
+
+	if (MBLKL(mp) < sizeof (vxlan_hdr_t))
+		return (EINVAL);
+	vxh = (vxlan_hdr_t *)mp->b_rptr;
+	if ((ntohl(vxh->vxlan_flags) & VXLAN_F_VDI) == 0)
+		return (EINVAL);
+
+	dinfop->ovdi_id = ntohl(vxh->vxlan_id) >> VXLAN_ID_SHIFT;
+	dinfop->ovdi_hdr_size = VXLAN_HDR_LEN;
+
+	return (0);
+}
+
+static int
+vxlan_o_getprop(void *arg, const char *pr_name, void *buf, uint32_t *bufsize)
+{
+	vxlan_t *vxl = arg;
+
+	/* vxlan/listen_ip */
+	if (strcmp(pr_name, vxlan_props[0]) == 0) {
+		if (*bufsize < sizeof (struct in6_addr))
+			return (EOVERFLOW);
+
+		mutex_enter(&vxl->vxl_lock);
+		if (vxl->vxl_hladdr == B_FALSE) {
+			*bufsize = 0;
+		} else {
+			bcopy(&vxl->vxl_laddr, buf, sizeof (struct in6_addr));
+			*bufsize = sizeof (struct in6_addr);
+		}
+		mutex_exit(&vxl->vxl_lock);
+		return (0);
+	}
+
+	/* vxlan/listen_port */
+	if (strcmp(pr_name, vxlan_props[1]) == 0) {
+		uint64_t val;
+		if (*bufsize < sizeof (uint64_t))
+			return (EOVERFLOW);
+
+		mutex_enter(&vxl->vxl_lock);
+		val = vxl->vxl_lport;
+		bcopy(&val, buf, sizeof (uint64_t));
+		*bufsize = sizeof (uint64_t);
+		mutex_exit(&vxl->vxl_lock);
+		return (0);
+	}
+
+	return (EINVAL);
+}
+
+static int
+vxlan_o_setprop(void *arg, const char *pr_name, const void *buf,
+    uint32_t bufsize)
+{
+	vxlan_t *vxl = arg;
+
+	/* vxlan/listen_ip */
+	if (strcmp(pr_name, vxlan_props[0]) == 0) {
+		const struct in6_addr *ipv6 = buf;
+		if (bufsize != sizeof (struct in6_addr))
+			return (EINVAL);
+
+		if (IN6_IS_ADDR_V4COMPAT(ipv6))
+			return (EINVAL);
+
+		if (IN6_IS_ADDR_MULTICAST(ipv6))
+			return (EINVAL);
+
+		if (IN6_IS_ADDR_6TO4(ipv6))
+			return (EINVAL);
+
+		if (IN6_IS_ADDR_V4MAPPED(ipv6)) {
+			ipaddr_t v4;
+			IN6_V4MAPPED_TO_IPADDR(ipv6, v4);
+			if (IN_MULTICAST(v4))
+				return (EINVAL);
+		}
+
+		mutex_enter(&vxl->vxl_lock);
+		vxl->vxl_hladdr = B_TRUE;
+		bcopy(ipv6, &vxl->vxl_laddr, sizeof (struct in6_addr));
+		mutex_exit(&vxl->vxl_lock);
+
+		return (0);
+	}
+
+	/* vxlan/listen_port */
+	if (strcmp(pr_name, vxlan_props[1]) == 0) {
+		const uint64_t *valp = buf;
+		if (bufsize != 8)
+			return (EINVAL);
+
+		if (*valp == 0 || *valp > UINT16_MAX)
+			return (EINVAL);
+
+		mutex_enter(&vxl->vxl_lock);
+		vxl->vxl_lport = *valp;
+		mutex_exit(&vxl->vxl_lock);
+		return (0);
+	}
+	return (EINVAL);
+}
+
+static int
+vxlan_o_propinfo(const char *pr_name, overlay_prop_handle_t phdl)
+{
+	/* vxlan/listen_ip */
+	if (strcmp(pr_name, vxlan_props[0]) == 0) {
+		overlay_prop_set_name(phdl, vxlan_props[0]);
+		overlay_prop_set_prot(phdl, OVERLAY_PROP_PERM_RRW);
+		overlay_prop_set_type(phdl, OVERLAY_PROP_T_IP);
+		overlay_prop_set_nodefault(phdl);
+		return (0);
+	}
+
+	if (strcmp(pr_name, vxlan_props[1]) == 0) {
+		overlay_prop_set_name(phdl, vxlan_props[1]);
+		overlay_prop_set_prot(phdl, OVERLAY_PROP_PERM_RRW);
+		overlay_prop_set_type(phdl, OVERLAY_PROP_T_UINT);
+		(void) overlay_prop_set_default(phdl, &vxlan_defport,
+		    sizeof (vxlan_defport));
+		overlay_prop_set_range_uint32(phdl, 1, UINT16_MAX);
+		return (0);
+	}
+
+	return (EINVAL);
+}
+
+static struct overlay_plugin_ops vxlan_o_ops = {
+	0,
+	vxlan_o_init,
+	vxlan_o_fini,
+	vxlan_o_encap,
+	vxlan_o_decap,
+	vxlan_o_socket,
+	vxlan_o_sockopt,
+	vxlan_o_getprop,
+	vxlan_o_setprop,
+	vxlan_o_propinfo
+};
+
+static struct modlmisc vxlan_modlmisc = {
+	&mod_miscops,
+	"VXLAN encap plugin"
+};
+
+static struct modlinkage vxlan_modlinkage = {
+	MODREV_1,
+	&vxlan_modlmisc
+};
+
+int
+_init(void)
+{
+	int err;
+	overlay_plugin_register_t *ovrp;
+
+	ovrp = overlay_plugin_alloc(OVEP_VERSION);
+	if (ovrp == NULL)
+		return (ENOTSUP);
+	ovrp->ovep_name = vxlan_ident;
+	ovrp->ovep_ops = &vxlan_o_ops;
+	ovrp->ovep_id_size = VXLAN_ID_LEN;
+	ovrp->ovep_flags = OVEP_F_VLAN_TAG;
+	ovrp->ovep_dest = OVERLAY_PLUGIN_D_IP | OVERLAY_PLUGIN_D_PORT;
+	ovrp->ovep_props = vxlan_props;
+
+	if ((err = overlay_plugin_register(ovrp)) == 0) {
+		if ((err = mod_install(&vxlan_modlinkage)) != 0) {
+			(void) overlay_plugin_unregister(vxlan_ident);
+		}
+	}
+
+	overlay_plugin_free(ovrp);
+	return (err);
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&vxlan_modlinkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	int err;
+
+	if ((err = overlay_plugin_unregister(vxlan_ident)) != 0)
+		return (err);
+
+	return (mod_remove(&vxlan_modlinkage));
+}
diff --git a/usr/src/uts/common/io/pseudo.conf b/usr/src/uts/common/io/pseudo.conf
index 42248e93d6..08affec609 100644
--- a/usr/src/uts/common/io/pseudo.conf
+++ b/usr/src/uts/common/io/pseudo.conf
@@ -22,8 +22,7 @@
 #
 # Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
-#
-# ident	"%Z%%M%	%I%	%E% SMI"
+# Copyright 2014 Joyent, Inc.  All rights reserved.
 #
 # This file is private to the pseudonex driver.  It should not be edited.
 #
@@ -38,3 +37,9 @@ name="pseudo" class="root" instance=0;
 # /pseudo; it has as its children the zone console pseudo nodes.
 #
 name="zconsnex" parent="/pseudo" instance=1 valid-children="zcons";
+
+#
+# zfdnex is an alias for pseudo; this node is instantiated as a child of
+# /pseudo; it has as its children the zone fd pseudo nodes.
+#
+name="zfdnex" parent="/pseudo" instance=2 valid-children="zfd";
diff --git a/usr/src/uts/common/io/pseudonex.c b/usr/src/uts/common/io/pseudonex.c
index f83b0abf39..0ae06f88cc 100644
--- a/usr/src/uts/common/io/pseudonex.c
+++ b/usr/src/uts/common/io/pseudonex.c
@@ -83,6 +83,8 @@ static int pseudonex_detach(dev_info_t *, ddi_detach_cmd_t);
 static int pseudonex_open(dev_t *, int, int, cred_t *);
 static int pseudonex_close(dev_t, int, int, cred_t *);
 static int pseudonex_ioctl(dev_t, int, intptr_t, int, cred_t *, int *);
+static int pseudonex_fm_init(dev_info_t *, dev_info_t *, int,
+    ddi_iblock_cookie_t *);
 static int pseudonex_ctl(dev_info_t *, dev_info_t *, ddi_ctl_enum_t, void *,
     void *);
 
@@ -90,6 +92,8 @@ static void *pseudonex_state;
 
 typedef struct pseudonex_state {
 	dev_info_t *pnx_devi;
+	int pnx_fmcap;
+	ddi_iblock_cookie_t pnx_fm_ibc;
 } pseudonex_state_t;
 
 static struct bus_ops pseudonex_bus_ops = {
@@ -116,7 +120,7 @@ static struct bus_ops pseudonex_bus_ops = {
 	NULL,			/* bus_intr_ctl */
 	NULL,			/* bus_config */
 	NULL,			/* bus_unconfig */
-	NULL,			/* bus_fm_init */
+	pseudonex_fm_init,	/* bus_fm_init */
 	NULL,			/* bus_fm_fini */
 	NULL,			/* bus_fm_access_enter */
 	NULL,			/* bus_fm_access_exit */
@@ -228,6 +232,9 @@ pseudonex_attach(dev_info_t *devi, ddi_attach_cmd_t cmd)
 	pnx_state = ddi_get_soft_state(pseudonex_state, instance);
 	pnx_state->pnx_devi = devi;
 
+	pnx_state->pnx_fmcap = DDI_FM_EREPORT_CAPABLE;
+	ddi_fm_init(devi, &pnx_state->pnx_fmcap, &pnx_state->pnx_fm_ibc);
+
 	if (ddi_create_minor_node(devi, "devctl", S_IFCHR, instance,
 	    DDI_NT_NEXUS, 0) != DDI_SUCCESS) {
 		ddi_remove_minor_node(devi, NULL);
@@ -247,6 +254,10 @@ pseudonex_detach(dev_info_t *devi, ddi_detach_cmd_t cmd)
 	if (cmd == DDI_SUSPEND)
 		return (DDI_SUCCESS);
 
+	if (cmd != DDI_DETACH)
+		return (DDI_FAILURE);
+
+	ddi_fm_fini(devi);
 	ddi_remove_minor_node(devi, NULL);
 	ddi_soft_state_free(pseudonex_state, instance);
 	return (DDI_SUCCESS);
@@ -375,6 +386,19 @@ pseudonex_auto_assign(dev_info_t *child)
 }
 
 static int
+pseudonex_fm_init(dev_info_t *dip, dev_info_t *tdip, int cap,
+    ddi_iblock_cookie_t *ibc)
+{
+	pseudonex_state_t *pnx_state;
+
+	pnx_state = ddi_get_soft_state(pseudonex_state, ddi_get_instance(dip));
+	ASSERT(pnx_state != NULL);
+	ASSERT(ibc != NULL);
+	*ibc = pnx_state->pnx_fm_ibc;
+	return (pnx_state->pnx_fmcap & cap);
+}
+
+static int
 pseudonex_ctl(dev_info_t *dip, dev_info_t *rdip, ddi_ctl_enum_t ctlop,
     void *arg, void *result)
 {
diff --git a/usr/src/uts/common/io/ptm.c b/usr/src/uts/common/io/ptm.c
index 400e9ffd10..07ffddc123 100644
--- a/usr/src/uts/common/io/ptm.c
+++ b/usr/src/uts/common/io/ptm.c
@@ -447,6 +447,18 @@ ptmclose(queue_t *rqp, int flag, cred_t *credp)
 	return (0);
 }
 
+static boolean_t
+ptmptsopencb(ptmptsopencb_arg_t arg)
+{
+	struct pt_ttys	*ptmp = (struct pt_ttys *)arg;
+	boolean_t rval;
+
+	PT_ENTER_READ(ptmp);
+	rval = (ptmp->pt_nullmsg != NULL);
+	PT_EXIT_READ(ptmp);
+	return (rval);
+}
+
 /*
  * The wput procedure will only handle ioctl and flush messages.
  */
@@ -574,6 +586,41 @@ ptmwput(queue_t *qp, mblk_t *mp)
 			miocack(qp, mp, 0, 0);
 			break;
 		}
+		case PTMPTSOPENCB:
+		{
+			mblk_t		*dp;	/* ioctl reply data */
+			ptmptsopencb_t	*ppocb;
+
+			/* only allow the kernel to invoke this ioctl */
+			if (iocp->ioc_cr != kcred) {
+				miocnak(qp, mp, 0, EINVAL);
+				break;
+			}
+
+			/* we don't support transparent ioctls */
+			ASSERT(iocp->ioc_count != TRANSPARENT);
+			if (iocp->ioc_count == TRANSPARENT) {
+				miocnak(qp, mp, 0, EINVAL);
+				break;
+			}
+
+			/* allocate a response message */
+			dp = allocb(sizeof (ptmptsopencb_t), BPRI_MED);
+			if (dp == NULL) {
+				miocnak(qp, mp, 0, EAGAIN);
+				break;
+			}
+
+			/* initialize the ioctl results */
+			ppocb = (ptmptsopencb_t *)dp->b_rptr;
+			ppocb->ppocb_func = ptmptsopencb;
+			ppocb->ppocb_arg = (ptmptsopencb_arg_t)ptmp;
+
+			/* send the reply data */
+			mioc2ack(mp, dp, sizeof (ptmptsopencb_t), 0);
+			qreply(qp, mp);
+			break;
+		}
 		}
 		break;
 
diff --git a/usr/src/uts/common/io/scsi/adapters/mpt_sas/mptsas.c b/usr/src/uts/common/io/scsi/adapters/mpt_sas/mptsas.c
index f094c9a510..db9197ca36 100644
--- a/usr/src/uts/common/io/scsi/adapters/mpt_sas/mptsas.c
+++ b/usr/src/uts/common/io/scsi/adapters/mpt_sas/mptsas.c
@@ -22,7 +22,7 @@
 /*
  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2014 Nexenta Systems, Inc. All rights reserved.
- * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  * Copyright 2014 OmniTI Computer Consulting, Inc. All rights reserved.
  * Copyright (c) 2014, Tegile Systems Inc. All rights reserved.
  */
@@ -72,6 +72,7 @@
 #include <sys/file.h>
 #include <sys/policy.h>
 #include <sys/model.h>
+#include <sys/refhash.h>
 #include <sys/sysevent.h>
 #include <sys/sysevent/eventdefs.h>
 #include <sys/sysevent/dr.h>
@@ -98,7 +99,6 @@
 #include <sys/scsi/adapters/mpt_sas/mptsas_var.h>
 #include <sys/scsi/adapters/mpt_sas/mptsas_ioctl.h>
 #include <sys/scsi/adapters/mpt_sas/mptsas_smhba.h>
-#include <sys/scsi/adapters/mpt_sas/mptsas_hash.h>
 #include <sys/raidioctl.h>
 
 #include <sys/fs/dv_node.h>	/* devfs_clean */
diff --git a/usr/src/uts/common/io/scsi/targets/sd.c b/usr/src/uts/common/io/scsi/targets/sd.c
index ae1e7e0fc3..dc5dc22e37 100644
--- a/usr/src/uts/common/io/scsi/targets/sd.c
+++ b/usr/src/uts/common/io/scsi/targets/sd.c
@@ -3503,9 +3503,13 @@ sd_set_mmc_caps(sd_ssc_t *ssc)
 		 * according to the successful response to the page
 		 * 0x2A mode sense request.
 		 */
-		scsi_log(SD_DEVINFO(un), sd_label, CE_WARN,
-		    "sd_set_mmc_caps: Mode Sense returned "
-		    "invalid block descriptor length\n");
+		/*
+		 * The following warning occurs due to the KVM CD-ROM
+		 * mishandling the multi-media commands.  Ignore it.
+		 * scsi_log(SD_DEVINFO(un), sd_label, CE_WARN,
+		 *     "sd_set_mmc_caps: Mode Sense returned "
+		 *     "invalid block descriptor length\n");
+		 */
 		kmem_free(buf, BUFLEN_MODE_CDROM_CAP);
 		return;
 	}
@@ -4450,18 +4454,77 @@ sd_sdconf_id_match(struct sd_lun *un, char *id, int idlen)
 {
 	struct scsi_inquiry	*sd_inq;
 	int 			rval = SD_SUCCESS;
+	char			*p;
+	int			chk_vidlen = 0, chk_pidlen = 0;
+	int			has_tail = 0;
+	static const int	VSZ = sizeof (sd_inq->inq_vid);
+	static const int	PSZ = sizeof (sd_inq->inq_pid);
 
 	ASSERT(un != NULL);
 	sd_inq = un->un_sd->sd_inq;
 	ASSERT(id != NULL);
 
 	/*
-	 * We use the inq_vid as a pointer to a buffer containing the
-	 * vid and pid and use the entire vid/pid length of the table
-	 * entry for the comparison. This works because the inq_pid
-	 * data member follows inq_vid in the scsi_inquiry structure.
+	 * We would like to use the inq_vid as a pointer to a buffer
+	 * containing the vid and pid and use the entire vid/pid length of
+	 * the table entry for the comparison.  However, this does not work
+	 * because, while the inq_pid data member follows inq_vid in the
+	 * scsi_inquiry structure, we do not control the contents of this
+	 * buffer, and some broken devices violate SPC 4.3.1 and return
+	 * fields with null bytes in them.
+	 */
+	chk_vidlen = MIN(VSZ, idlen);
+	p = id + chk_vidlen - 1;
+	while (*p == ' ' && chk_vidlen > 0) {
+		--p;
+		--chk_vidlen;
+	}
+
+	/*
+	 * If it's all spaces, check the whole thing.
 	 */
-	if (strncasecmp(sd_inq->inq_vid, id, idlen) != 0) {
+	if (chk_vidlen == 0)
+		chk_vidlen = MIN(VSZ, idlen);
+
+	if (idlen > VSZ) {
+		chk_pidlen = idlen - VSZ;
+		p = id + idlen - 1;
+		while (*p == ' ' && chk_pidlen > 0) {
+			--p;
+			--chk_pidlen;
+		}
+		if (chk_pidlen == 0)
+			chk_pidlen = MIN(PSZ, idlen - VSZ);
+	}
+
+	/*
+	 * There's one more thing we need to do here.  If the user specified
+	 * an ID with trailing spaces, we need to make sure the inquiry
+	 * vid/pid has only spaces or NULs after the check length; otherwise, it
+	 * can't match.
+	 */
+	if (idlen > chk_vidlen && chk_vidlen < VSZ) {
+		for (p = sd_inq->inq_vid + chk_vidlen;
+		    p < sd_inq->inq_vid + VSZ; ++p) {
+			if (*p != ' ' && *p != '\0') {
+				++has_tail;
+				break;
+			}
+		}
+	}
+	if (idlen > chk_pidlen + VSZ && chk_pidlen < PSZ) {
+		for (p = sd_inq->inq_pid + chk_pidlen;
+		    p < sd_inq->inq_pid + PSZ; ++p) {
+			if (*p != ' ' && *p != '\0') {
+				++has_tail;
+				break;
+			}
+		}
+	}
+
+	if (has_tail || strncasecmp(sd_inq->inq_vid, id, chk_vidlen) != 0 ||
+	    (idlen > VSZ &&
+	    strncasecmp(sd_inq->inq_pid, id + VSZ, chk_pidlen) != 0)) {
 		/*
 		 * The user id string is compared to the inquiry vid/pid
 		 * using a case insensitive comparison and ignoring
diff --git a/usr/src/uts/common/io/timerfd.c b/usr/src/uts/common/io/timerfd.c
new file mode 100644
index 0000000000..2f59c0f3e2
--- /dev/null
+++ b/usr/src/uts/common/io/timerfd.c
@@ -0,0 +1,548 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Support for the timerfd facility, a Linux-borne facility that allows
+ * POSIX.1b timers to be created and manipulated via a file descriptor
+ * interface.
+ */
+
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/timerfd.h>
+#include <sys/conf.h>
+#include <sys/vmem.h>
+#include <sys/sysmacros.h>
+#include <sys/filio.h>
+#include <sys/stat.h>
+#include <sys/file.h>
+#include <sys/timer.h>
+
+struct timerfd_state;
+typedef struct timerfd_state timerfd_state_t;
+
+struct timerfd_state {
+	kmutex_t tfd_lock;			/* lock protecting state */
+	kcondvar_t tfd_cv;			/* condvar */
+	pollhead_t tfd_pollhd;			/* poll head */
+	uint64_t tfd_fired;			/* # of times fired */
+	itimer_t tfd_itimer;			/* underlying itimer */
+	timerfd_state_t *tfd_next;		/* next state on global list */
+};
+
+/*
+ * Internal global variables.
+ */
+static kmutex_t		timerfd_lock;		/* lock protecting state */
+static dev_info_t	*timerfd_devi;		/* device info */
+static vmem_t		*timerfd_minor;		/* minor number arena */
+static void		*timerfd_softstate;	/* softstate pointer */
+static timerfd_state_t	*timerfd_state;		/* global list of state */
+
+static itimer_t *
+timerfd_itimer_lock(timerfd_state_t *state)
+{
+	itimer_t *it = &state->tfd_itimer;
+
+	mutex_enter(&state->tfd_lock);
+
+	while (it->it_lock & ITLK_LOCKED) {
+		it->it_blockers++;
+		cv_wait(&it->it_cv, &state->tfd_lock);
+		it->it_blockers--;
+	}
+
+	it->it_lock |= ITLK_LOCKED;
+
+	mutex_exit(&state->tfd_lock);
+
+	return (it);
+}
+
+static void
+timerfd_itimer_unlock(timerfd_state_t *state, itimer_t *it)
+{
+	VERIFY(it == &state->tfd_itimer);
+	VERIFY(it->it_lock & ITLK_LOCKED);
+
+	mutex_enter(&state->tfd_lock);
+
+	it->it_lock &= ~ITLK_LOCKED;
+
+	if (it->it_blockers)
+		cv_signal(&it->it_cv);
+
+	mutex_exit(&state->tfd_lock);
+}
+
+static void
+timerfd_fire(itimer_t *it)
+{
+	timerfd_state_t *state = it->it_frontend;
+	uint64_t oval;
+
+	mutex_enter(&state->tfd_lock);
+	oval = state->tfd_fired++;
+	mutex_exit(&state->tfd_lock);
+
+	if (oval == 0) {
+		cv_broadcast(&state->tfd_cv);
+		pollwakeup(&state->tfd_pollhd, POLLRDNORM | POLLIN);
+	}
+}
+
+/*ARGSUSED*/
+static int
+timerfd_open(dev_t *devp, int flag, int otyp, cred_t *cred_p)
+{
+	timerfd_state_t *state;
+	major_t major = getemajor(*devp);
+	minor_t minor = getminor(*devp);
+
+	if (minor != TIMERFDMNRN_TIMERFD)
+		return (ENXIO);
+
+	mutex_enter(&timerfd_lock);
+
+	minor = (minor_t)(uintptr_t)vmem_alloc(timerfd_minor, 1,
+	    VM_BESTFIT | VM_SLEEP);
+
+	if (ddi_soft_state_zalloc(timerfd_softstate, minor) != DDI_SUCCESS) {
+		vmem_free(timerfd_minor, (void *)(uintptr_t)minor, 1);
+		mutex_exit(&timerfd_lock);
+		return (NULL);
+	}
+
+	state = ddi_get_soft_state(timerfd_softstate, minor);
+	*devp = makedevice(major, minor);
+
+	state->tfd_next = timerfd_state;
+	timerfd_state = state;
+
+	mutex_exit(&timerfd_lock);
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+timerfd_read(dev_t dev, uio_t *uio, cred_t *cr)
+{
+	timerfd_state_t *state;
+	minor_t minor = getminor(dev);
+	uint64_t val;
+	int err;
+
+	if (uio->uio_resid < sizeof (val))
+		return (EINVAL);
+
+	state = ddi_get_soft_state(timerfd_softstate, minor);
+
+	mutex_enter(&state->tfd_lock);
+
+	while (state->tfd_fired == 0) {
+		if (uio->uio_fmode & (FNDELAY|FNONBLOCK)) {
+			mutex_exit(&state->tfd_lock);
+			return (EAGAIN);
+		}
+
+		if (!cv_wait_sig_swap(&state->tfd_cv, &state->tfd_lock)) {
+			mutex_exit(&state->tfd_lock);
+			return (EINTR);
+		}
+	}
+
+	/*
+	 * Our tfd_fired is non-zero; slurp its value and then clear it.
+	 */
+	val = state->tfd_fired;
+	state->tfd_fired = 0;
+	mutex_exit(&state->tfd_lock);
+
+	err = uiomove(&val, sizeof (val), UIO_READ, uio);
+
+	return (err);
+}
+
+/*ARGSUSED*/
+static int
+timerfd_poll(dev_t dev, short events, int anyyet, short *reventsp,
+    struct pollhead **phpp)
+{
+	timerfd_state_t *state;
+	minor_t minor = getminor(dev);
+	short revents = 0;
+
+	state = ddi_get_soft_state(timerfd_softstate, minor);
+
+	mutex_enter(&state->tfd_lock);
+
+	if (state->tfd_fired > 0)
+		revents |= POLLRDNORM | POLLIN;
+
+	if (!(*reventsp = revents & events) && !anyyet)
+		*phpp = &state->tfd_pollhd;
+
+	mutex_exit(&state->tfd_lock);
+
+	return (0);
+}
+
+static int
+timerfd_copyin(uintptr_t addr, itimerspec_t *dest)
+{
+	if (get_udatamodel() == DATAMODEL_NATIVE) {
+		if (copyin((void *)addr, dest, sizeof (itimerspec_t)) != 0)
+			return (EFAULT);
+	} else {
+		itimerspec32_t dest32;
+
+		if (copyin((void *)addr, &dest32, sizeof (itimerspec32_t)) != 0)
+			return (EFAULT);
+
+		ITIMERSPEC32_TO_ITIMERSPEC(dest, &dest32);
+	}
+
+	if (itimerspecfix(&dest->it_value) ||
+	    (itimerspecfix(&dest->it_interval) &&
+	    timerspecisset(&dest->it_value))) {
+		return (EINVAL);
+	}
+
+	return (0);
+}
+
+static int
+timerfd_copyout(itimerspec_t *src, uintptr_t addr)
+{
+	if (get_udatamodel() == DATAMODEL_NATIVE) {
+		if (copyout(src, (void *)addr, sizeof (itimerspec_t)) != 0)
+			return (EFAULT);
+	} else {
+		itimerspec32_t src32;
+
+		if (ITIMERSPEC_OVERFLOW(src))
+			return (EOVERFLOW);
+
+		ITIMERSPEC_TO_ITIMERSPEC32(&src32, src);
+
+		if (copyout(&src32, (void *)addr, sizeof (itimerspec32_t)) != 0)
+			return (EFAULT);
+	}
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+timerfd_ioctl(dev_t dev, int cmd, intptr_t arg, int md, cred_t *cr, int *rv)
+{
+	itimerspec_t when, oval;
+	timerfd_state_t *state;
+	minor_t minor = getminor(dev);
+	int err;
+	itimer_t *it;
+
+	state = ddi_get_soft_state(timerfd_softstate, minor);
+
+	switch (cmd) {
+	case TIMERFDIOC_CREATE: {
+		if (arg == TIMERFD_MONOTONIC)
+			arg = CLOCK_MONOTONIC;
+
+		it = timerfd_itimer_lock(state);
+
+		if (it->it_backend != NULL) {
+			timerfd_itimer_unlock(state, it);
+			return (EEXIST);
+		}
+
+		if ((it->it_backend = clock_get_backend(arg)) == NULL) {
+			timerfd_itimer_unlock(state, it);
+			return (EINVAL);
+		}
+
+		/*
+		 * We need to provide a proc structure only for purposes
+		 * of locking CLOCK_REALTIME-based timers -- it is safe to
+		 * provide p0 here.
+		 */
+		it->it_proc = &p0;
+
+		err = it->it_backend->clk_timer_create(it, timerfd_fire);
+
+		if (err != 0) {
+			it->it_backend = NULL;
+			timerfd_itimer_unlock(state, it);
+			return (err);
+		}
+
+		it->it_frontend = state;
+		timerfd_itimer_unlock(state, it);
+
+		return (0);
+	}
+
+	case TIMERFDIOC_GETTIME: {
+		it = timerfd_itimer_lock(state);
+
+		if (it->it_backend == NULL) {
+			timerfd_itimer_unlock(state, it);
+			return (ENODEV);
+		}
+
+		err = it->it_backend->clk_timer_gettime(it, &when);
+		timerfd_itimer_unlock(state, it);
+
+		if (err != 0)
+			return (err);
+
+		if ((err = timerfd_copyout(&when, arg)) != 0)
+			return (err);
+
+		return (0);
+	}
+
+	case TIMERFDIOC_SETTIME: {
+		timerfd_settime_t st;
+
+		if (copyin((void *)arg, &st, sizeof (st)) != 0)
+			return (EFAULT);
+
+		if ((err = timerfd_copyin(st.tfd_settime_value, &when)) != 0)
+			return (err);
+
+		it = timerfd_itimer_lock(state);
+
+		if (it->it_backend == NULL) {
+			timerfd_itimer_unlock(state, it);
+			return (ENODEV);
+		}
+
+		if (st.tfd_settime_ovalue != NULL) {
+			err = it->it_backend->clk_timer_gettime(it, &oval);
+
+			if (err != 0) {
+				timerfd_itimer_unlock(state, it);
+				return (err);
+			}
+		}
+
+		err = it->it_backend->clk_timer_settime(it,
+		    st.tfd_settime_flags & TFD_TIMER_ABSTIME ?
+		    TIMER_ABSTIME : TIMER_RELTIME, &when);
+		timerfd_itimer_unlock(state, it);
+
+		if (err != 0 || st.tfd_settime_ovalue == NULL)
+			return (err);
+
+		if ((err = timerfd_copyout(&oval, st.tfd_settime_ovalue)) != 0)
+			return (err);
+
+		return (0);
+	}
+
+	default:
+		break;
+	}
+
+	return (ENOTTY);
+}
+
+/*ARGSUSED*/
+static int
+timerfd_close(dev_t dev, int flag, int otyp, cred_t *cred_p)
+{
+	timerfd_state_t *state, **sp;
+	itimer_t *it;
+	minor_t minor = getminor(dev);
+
+	state = ddi_get_soft_state(timerfd_softstate, minor);
+
+	if (state->tfd_pollhd.ph_list != NULL) {
+		pollwakeup(&state->tfd_pollhd, POLLERR);
+		pollhead_clean(&state->tfd_pollhd);
+	}
+
+	/*
+	 * No one can get to this timer; we don't need to lock it -- we can
+	 * just call on the backend to delete it.
+	 */
+	it = &state->tfd_itimer;
+
+	if (it->it_backend != NULL)
+		it->it_backend->clk_timer_delete(it);
+
+	mutex_enter(&timerfd_lock);
+
+	/*
+	 * Remove our state from our global list.
+	 */
+	for (sp = &timerfd_state; *sp != state; sp = &((*sp)->tfd_next))
+		VERIFY(*sp != NULL);
+
+	*sp = (*sp)->tfd_next;
+
+	ddi_soft_state_free(timerfd_softstate, minor);
+	vmem_free(timerfd_minor, (void *)(uintptr_t)minor, 1);
+
+	mutex_exit(&timerfd_lock);
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+timerfd_attach(dev_info_t *devi, ddi_attach_cmd_t cmd)
+{
+	mutex_enter(&timerfd_lock);
+
+	if (ddi_soft_state_init(&timerfd_softstate,
+	    sizeof (timerfd_state_t), 0) != 0) {
+		cmn_err(CE_NOTE, "/dev/timerfd failed to create soft state");
+		mutex_exit(&timerfd_lock);
+		return (DDI_FAILURE);
+	}
+
+	if (ddi_create_minor_node(devi, "timerfd", S_IFCHR,
+	    TIMERFDMNRN_TIMERFD, DDI_PSEUDO, NULL) == DDI_FAILURE) {
+		cmn_err(CE_NOTE, "/dev/timerfd couldn't create minor node");
+		ddi_soft_state_fini(&timerfd_softstate);
+		mutex_exit(&timerfd_lock);
+		return (DDI_FAILURE);
+	}
+
+	ddi_report_dev(devi);
+	timerfd_devi = devi;
+
+	timerfd_minor = vmem_create("timerfd_minor", (void *)TIMERFDMNRN_CLONE,
+	    UINT32_MAX - TIMERFDMNRN_CLONE, 1, NULL, NULL, NULL, 0,
+	    VM_SLEEP | VMC_IDENTIFIER);
+
+	mutex_exit(&timerfd_lock);
+
+	return (DDI_SUCCESS);
+}
+
+/*ARGSUSED*/
+static int
+timerfd_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
+{
+	switch (cmd) {
+	case DDI_DETACH:
+		break;
+
+	case DDI_SUSPEND:
+		return (DDI_SUCCESS);
+
+	default:
+		return (DDI_FAILURE);
+	}
+
+	mutex_enter(&timerfd_lock);
+	vmem_destroy(timerfd_minor);
+
+	ddi_remove_minor_node(timerfd_devi, NULL);
+	timerfd_devi = NULL;
+
+	ddi_soft_state_fini(&timerfd_softstate);
+	mutex_exit(&timerfd_lock);
+
+	return (DDI_SUCCESS);
+}
+
+/*ARGSUSED*/
+static int
+timerfd_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result)
+{
+	int error;
+
+	switch (infocmd) {
+	case DDI_INFO_DEVT2DEVINFO:
+		*result = (void *)timerfd_devi;
+		error = DDI_SUCCESS;
+		break;
+	case DDI_INFO_DEVT2INSTANCE:
+		*result = (void *)0;
+		error = DDI_SUCCESS;
+		break;
+	default:
+		error = DDI_FAILURE;
+	}
+	return (error);
+}
+
+static struct cb_ops timerfd_cb_ops = {
+	timerfd_open,		/* open */
+	timerfd_close,		/* close */
+	nulldev,		/* strategy */
+	nulldev,		/* print */
+	nodev,			/* dump */
+	timerfd_read,		/* read */
+	nodev,			/* write */
+	timerfd_ioctl,		/* ioctl */
+	nodev,			/* devmap */
+	nodev,			/* mmap */
+	nodev,			/* segmap */
+	timerfd_poll,		/* poll */
+	ddi_prop_op,		/* cb_prop_op */
+	0,			/* streamtab  */
+	D_NEW | D_MP		/* Driver compatibility flag */
+};
+
+static struct dev_ops timerfd_ops = {
+	DEVO_REV,		/* devo_rev */
+	0,			/* refcnt */
+	timerfd_info,		/* get_dev_info */
+	nulldev,		/* identify */
+	nulldev,		/* probe */
+	timerfd_attach,		/* attach */
+	timerfd_detach,		/* detach */
+	nodev,			/* reset */
+	&timerfd_cb_ops,	/* driver operations */
+	NULL,			/* bus operations */
+	nodev,			/* dev power */
+	ddi_quiesce_not_needed,	/* quiesce */
+};
+
+static struct modldrv modldrv = {
+	&mod_driverops,		/* module type (this is a pseudo driver) */
+	"timerfd support",	/* name of module */
+	&timerfd_ops,		/* driver ops */
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1,
+	(void *)&modldrv,
+	NULL
+};
+
+int
+_init(void)
+{
+	return (mod_install(&modlinkage));
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	return (mod_remove(&modlinkage));
+}
diff --git a/usr/src/uts/common/io/timerfd.conf b/usr/src/uts/common/io/timerfd.conf
new file mode 100644
index 0000000000..c6ad86d051
--- /dev/null
+++ b/usr/src/uts/common/io/timerfd.conf
@@ -0,0 +1,16 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2015 Joyent, Inc.  All rights reserved.
+#
+
+name="timerfd" parent="pseudo" instance=0;
diff --git a/usr/src/uts/common/io/udmf/dm9601reg.h b/usr/src/uts/common/io/udmf/dm9601reg.h
new file mode 100644
index 0000000000..a36f2b0fc8
--- /dev/null
+++ b/usr/src/uts/common/io/udmf/dm9601reg.h
@@ -0,0 +1,348 @@
+/*
+ * %W% %E%
+ * Macro definitions for Davicom DM9601 USB to fast ethernet controler
+ * based on Davicom DM9601E data sheet
+ * This file is public domain. Coded by M.Murayama (KHF04453@nifty.com)
+ */
+
+#ifndef __DM9601_H__
+#define __DM9601_H__
+
+/*
+ * offset of registers
+ */
+#define	NCR	0x00U	/* network control register */
+#define	NSR	0x01U	/* network status register */
+#define	TCR	0x02U	/* tx control register */
+#define	TSR1	0x03U	/* tx status register 1 */
+#define	TSR2	0x04U	/* tx status register 2 */
+#define	RCR	0x05U	/* rx control register */
+#define	RSR	0x06U	/* rx status register */
+#define	ROCR	0x07U	/* rx overflow counter register */
+#define	BPTR	0x08U	/* back pressure threshold regster */
+#define	FCTR	0x09U	/* flow control threshold regster */
+#define	FCR	0x0aU	/* flow control threshold regster */
+#define	EPCR	0x0bU	/* eeprom & phy control register */
+#define	EPAR	0x0cU	/* eeprom & phy address register */
+#define	EPDR	0x0dU	/* eeprom & phy data register (2byte) */
+#define	WCR	0x0fU	/* wake up control register */
+#define	PAR	0x10U	/* physical address register (6byte) */
+#define	MAR	0x16U	/* multicast address register (8byte) */
+#define	GPCR	0x1eU	/* general purpose control register */
+#define	GPR	0x1fU	/* general purpose register */
+#define	VID	0x28U	/* vendor ID (2byte) */
+#define	PID	0x2aU	/* product ID (2byte) */
+#define	CHIPR	0x2cU	/* chip revision */
+#define	USBDA	0xf0U	/* usb device address register */
+#define	RXC	0xf1U	/* received packet counter register */
+#define	TUSC	0xf2U	/* tx packet counter/usb status register */
+#define	USBC	0xf4U	/* usb control register */
+
+/*
+ * register definitions
+ */
+/* network control register */
+#define	NCR_EXT_PHY	0x80U	/* 1: select external phy */
+#define	NCR_WAKEEN	0x40U	/* 1: wake up event enable */
+#define	NCR_FCOL	0x10U	/* force collision mode for test */
+#define	NCR_FDX		0x08U	/* 1: full duplex mode (for external phy) */
+#define	NCR_LBK		0x06U
+#define		NCR_LBK_SHIFT		1
+#define		NCR_LBK_NORMAL	(0U << NCR_LBK_SHIFT)
+#define		NCR_LBK_MAC	(1U << NCR_LBK_SHIFT)
+#define		NCR_LBK_PHY_D	(2U << NCR_LBK_SHIFT)
+#define		NCR_LBK_PHY_A	(3U << NCR_LBK_SHIFT)
+#define	NCR_RST		0x01U	/* 1: reset, auto clear */
+
+#define	NCR_BITS	\
+	"\020"	\
+	"\010EXT_PHY"	\
+	"\007WAKEEN"	\
+	"\005FCOL"	\
+	"\004FDX"	\
+	"\001RST"
+
+/* network status register */
+#define	NSR_SPEED	0x80U	/* 1:10M 0:100M */
+#define	NSR_LINKST	0x40U	/* 1:ok 0:fail */
+#define	NSR_WAKEST	0x20U	/* 1:enabled */
+#define	NSR_TXFULL	0x10U	/* 1:tx fifo full */
+#define	NSR_TX2END	0x08U	/* tx packet2 complete status */
+#define	NSR_TX1END	0x04U	/* tx packet1 complete status */
+#define	NSR_RXOV	0x02U	/* rx fifo overflow */
+#define	NSR_RXRDY	0x01U	/* rx packet ready */
+
+#define	NSR_BITS	\
+	"\020"	\
+	"\010SPEED_10"	\
+	"\007LINKST_UP"	\
+	"\006WAKEST"	\
+	"\005TXFULL"	\
+	"\004TX2END"	\
+	"\003TX1END"	\
+	"\002RXOV"	\
+	"\001RXRDY"
+
+/* tx control register */
+#define	TCR_TJDIS	0x40U	/* tx jitter control */
+#define	TCR_EXCEDM	0x20U	/* excessive collision mode */
+#define	TCR_PAD_DIS2	0x10U	/* PAD appends disable for pkt2 */
+#define	TCR_CRC_DIS2	0x08U	/* CRC appends disable for pkt2 */
+#define	TCR_PAD_DIS1	0x04U	/* PAD appends disable for pkt1 */
+#define	TCR_CRC_DIS1	0x02U	/* CRC appends disable for pkt1 */
+
+#define	TCR_BITS	\
+	"\020"	\
+	"\007TJDIS"	\
+	"\006EXCEDM"	\
+	"\005PAD_DIS2"	\
+	"\004CRC_DIS2"	\
+	"\003PAD_DIS1"	\
+	"\002CRC_DIS1"
+
+/* tx status register (ro) */
+#define	TSR_TJTO	0x80U	/* tx jabber time out */
+#define	TSR_LC		0x40U	/* loss of carrier */
+#define	TSR_NC		0x20U	/* no carrier */
+#define	TSR_LATEC	0x10U	/* late collision */
+#define	TSR_COL		0x08U	/* late collision */
+#define	TSR_EL		0x04U	/* excessive collision */
+
+#define	TSR_BITS	\
+	"\020"		\
+	"\010TJTO"	\
+	"\007LC"	\
+	"\006NC"	\
+	"\005LATEC"	\
+	"\004COL"	\
+	"\003EL"
+
+/* rx control register */
+#define	RCR_WTDIS	0x40U	/* watch dog timer disable */
+#define	RCR_DIS_LONG	0x20U	/* discard longer packets than 1522 */
+#define	RCR_DIS_CRC	0x10U	/* discard crc error packets */
+#define	RCR_ALL		0x08U	/* pass all multicast */
+#define	RCR_RUNT	0x04U	/* pass runt packets */
+#define	RCR_PRMSC	0x02U	/* promiscuous mode */
+#define	RCR_RXEN	0x01U	/* rx enable */
+
+#define	RCR_BITS	\
+	"\020"		\
+	"\007WTDIS"	\
+	"\006DIS_LONG"	\
+	"\005DIS_CRC"	\
+	"\004ALL"	\
+	"\003RUNT"	\
+	"\002PRMSC"	\
+	"\001RXEN"
+
+/* rx status register */
+#define	RSR_RF		0x80U	/* runt frame */
+#define	RSR_MF		0x40U	/* multicast frame */
+#define	RSR_LCS		0x20U	/* late collision seen */
+#define	RSR_RWTO	0x10U	/* receive watchdog timeout */
+#define	RSR_PLE		0x08U	/* physical layer error */
+#define	RSR_AE		0x04U	/* alignment error */
+#define	RSR_CE		0x02U	/* crc error */
+#define	RSR_FOE		0x01U	/* fifo overflow error */
+
+#define	RSR_BITS	\
+	"\020"		\
+	"\010RF"	\
+	"\007MF"	\
+	"\006LCS"	\
+	"\005RWTO"	\
+	"\004PLE"	\
+	"\003AE"	\
+	"\002CE"	\
+	"\001FOE"
+
+/* receive overflow counter register */
+#define	ROCR_RXFU	0x80U	/* receive overflow counter overflow */
+#define	ROCR_ROC	0x7fU	/* receive overflow counter */
+
+#define	ROCR_BITS	\
+	"\020"		\
+	"\010RXFU"
+
+/* back pressure threshold register */
+#define	BPTR_BPHW	0xf0U	/* high water overflow threshold */
+#define		BPTR_BPHW_SHIFT	4
+#define		BPTR_BPHW_UNIT	1024U
+#define		BPTR_BPHW_DEFAULT	(3 << BPTR_BPHW_SHIFT)	/* 3k */
+#define	BPTR_JPT	0x0fU	/* jam pattern time */
+#define		BPTR_JPT_SHIFT	0
+#define		BPTR_JPT_5us	(0U << BPTR_JPT_SHIFT)
+#define		BPTR_JPT_10us	(1U << BPTR_JPT_SHIFT)
+#define		BPTR_JPT_15us	(2U << BPTR_JPT_SHIFT)
+#define		BPTR_JPT_25us	(3U << BPTR_JPT_SHIFT)
+#define		BPTR_JPT_50us	(4U << BPTR_JPT_SHIFT)
+#define		BPTR_JPT_100us	(5U << BPTR_JPT_SHIFT)
+#define		BPTR_JPT_150us	(6U << BPTR_JPT_SHIFT)
+#define		BPTR_JPT_200us	(7U << BPTR_JPT_SHIFT)
+#define		BPTR_JPT_250us	(8U << BPTR_JPT_SHIFT)
+#define		BPTR_JPT_300us	(9U << BPTR_JPT_SHIFT)
+#define		BPTR_JPT_350us	(10U << BPTR_JPT_SHIFT)
+#define		BPTR_JPT_400us	(11U << BPTR_JPT_SHIFT)
+#define		BPTR_JPT_450us	(12U << BPTR_JPT_SHIFT)
+#define		BPTR_JPT_500us	(13U << BPTR_JPT_SHIFT)
+#define		BPTR_JPT_550us	(14U << BPTR_JPT_SHIFT)
+#define		BPTR_JPT_600us	(15U << BPTR_JPT_SHIFT)
+
+/* flow control threshold register */
+#define	FCTR_HWOT	0xf0U	/* rx fifo high water overflow threshold */
+#define		FCTR_HWOT_SHIFT	4
+#define		FCTR_HWOT_UNIT	1024U
+#define	FCTR_LWOT	0x0fU	/* rx fifo low water overflow threshold */
+#define		FCTR_LWOT_SHIFT	0
+#define		FCTR_LWOT_UNIT	1024U
+
+/* rx/tx flow control register */
+#define	FCR_TXPO	0x80U	/* tx pause packet */
+#define	FCR_TXPF	0x40U	/* tx pause packet */
+#define	FCR_TXPEN	0x20U	/* tx pause packet */
+#define	FCR_BKPA	0x10U	/* back pressure mode */
+#define	FCR_BKPM	0x08U	/* back pressure mode */
+#define	FCR_BKPS	0x04U	/* rx pause packet current status (r/c) */
+#define	FCR_RXPCS	0x02U	/* rx pause packet current status (ro) */
+#define	FCR_FLCE	0x01U	/* flow control enbale */
+
+#define	FCR_BITS	\
+	"\020"		\
+	"\000TXPO"	\
+	"\000TXPF"	\
+	"\000TXPEN"	\
+	"\000BKPA"	\
+	"\000BKPM"	\
+	"\000BKPS"	\
+	"\000RXPCS"	\
+	"\000FLCE"
+
+/* EEPROM & PHY control register (0x0b) */
+#define	EPCR_REEP	0x20U	/* reload eeprom */
+#define	EPCR_WEP	0x10U	/* write eeprom enable */
+#define	EPCR_EPOS	0x08U	/* select device, 0:eeprom, 1:phy */
+#define	EPCR_ERPRR	0x04U	/* read command */
+#define	EPCR_ERPRW	0x02U	/* write command */
+#define	EPCR_ERRE	0x01U	/* eeprom/phy access in progress (ro) */
+
+#define	EPCR_BITS	\
+	"\020"		\
+	"\005REEP"	\
+	"\004WEP"	\
+	"\003EPOS"	\
+	"\002ERPRR"	\
+	"\001ERPRW"	\
+	"\000ERRE"
+
+/* EEPROM & PHY access register (0x0c) */
+#define	EPAR_PHYADR	0xc0U	/* phy address, internal phy(1) or external */
+#define		EPAR_PHYADR_SHIFT	6
+#define	EPAR_EROA	0x3fU	/* eeprom word addr or phy register addr */
+#define		EPAR_EROA_SHIFT	0
+
+/* EEPROM & PHY data register (0x0d(low)-0x0e(hi)) */
+
+/* wake up control register (0x0f) */
+#define	WCR_LINKEN	0x20U	/* enable link status event */
+#define	WCR_SAMPLEEN	0x10U	/* enable sample frame event */
+#define	WCR_MAGICEN	0x08U	/* enable magic pkt event */
+#define	WCR_LINKST	0x04U	/* link status change occur ro */
+#define	WCR_SAMPLEST	0x02U	/* sample frame rx occur ro */
+#define	WCR_MAGICST	0x01U	/* magic pkt rx occur ro */
+
+#define	WCR_BITS	\
+	"\020"		\
+	"\000LINKEN"	\
+	"\000SAMPLEEN"	\
+	"\000MAGICEN"	\
+	"\000LINKST"	\
+	"\000SAMPLEST"	\
+	"\000MAGICST"
+
+/* physical address register (0x10-0x15) */
+/* multicast address register (0x16-0x1c) */
+/* general purpose control register (0x1e) */
+#define	GPCR_GEPCTRL	0x7f
+#define		GPCR_OUT(n)	(1U << (n))
+
+#define	GPCR_BITS	\
+	"\020"		\
+	"\006OUT5"	\
+	"\005OUT4"	\
+	"\004OUT3"	\
+	"\003OUT2"	\
+	"\002OUT1"	\
+	"\001OUT0"
+
+/* general purpose register (0x1f) */
+#define	GPR_GEPIO5	0x20U
+#define	GPR_GEPIO4	0x10U
+#define	GPR_GEPIO3	0x08U
+#define	GPR_GEPIO2	0x04U
+#define	GPR_GEPIO1	0x02U
+#define	GPR_GEPIO0	0x01U
+
+#define	GPR_BITS	\
+	"\020"		\
+	"\006GEPIO5"	\
+	"\005GEPIO4"	\
+	"\004GEPIO3"	\
+	"\003GEPIO2"	\
+	"\002GEPIO1"	\
+	"\001GEPIO0"
+
+/* vendor id register (0x28-0x29) */
+/* product id register (0x2a-0x2b) */
+/* chip revision register (0x2c) */
+
+/* usb device address register (0xf0) */
+#define	USBDA_USBFA	0x3fU	/* usb device address */
+#define		USBDA_USBFA_SHIFT	0
+
+/* receive packet counter register (0xf1) */
+
+/* transmitpacket counter/usb status register (0xf2) */
+#define	TUSR_RXFAULT	0x80U	/* indicate rx has unexpected condition */
+#define	TUSR_SUSFLAG	0x40U	/* indicate device has suspended condition */
+#define	TUSR_EP1RDY	0x20U	/* ready for read from ep1 pipe */
+#define	TUSR_SRAM	0x18U	/* sram size 0:32K, 1:48K, 2:16K, 3:64K */
+#define		TUSR_SRAM_SHIFT	3
+#define		TUSR_SRAM_32K	(0U << TUSR_SRAM_SHIFT)
+#define		TUSR_SRAM_48K	(1U << TUSR_SRAM_SHIFT)
+#define		TUSR_SRAM_16K	(2U << TUSR_SRAM_SHIFT)
+#define		TUSR_SRAM_64K	(3U << TUSR_SRAM_SHIFT)
+#define	TUSR_TXC2	0x04U	/* two or more packets in tx buffer */
+#define	TUSR_TXC1	0x02U	/* one packet in tx buffer */
+#define	TUSR_TXC0	0x01U	/* no packet in tx buffer */
+
+#define	TUSR_BITS	\
+	"\020"		\
+	"\010RXFAULT"	\
+	"\007SUSFLAG"	\
+	"\006EP1RDY"	\
+	"\003TXC2"	\
+	"\002TXC1"	\
+	"\001TXC0"
+
+/* usb control register (0xf4) */
+#define	USBC_EP3ACK	0x20U	/* ep3 will alway return 8byte data if NAK=0*/
+#define	USBC_EP3NACK	0x10U	/* ep3 will alway return NAK */
+#define	USBC_MEMTST	0x01U
+
+/* bulk message format */
+#define	TX_HEADER_SIZE	2
+#define	RX_HEADER_SIZE	3
+
+/* interrupt msg format */
+struct intr_msg {
+	uint8_t	im_nsr;
+	uint8_t	im_tsr1;
+	uint8_t	im_tsr2;
+	uint8_t	im_rsr;
+	uint8_t	im_rocr;
+	uint8_t	im_rxc;
+	uint8_t	im_txc;
+	uint8_t	im_gpr;
+};
+#endif /* __DM9601_H__ */
diff --git a/usr/src/uts/common/io/udmf/udmf_usbgem.c b/usr/src/uts/common/io/udmf/udmf_usbgem.c
new file mode 100644
index 0000000000..0637de054b
--- /dev/null
+++ b/usr/src/uts/common/io/udmf/udmf_usbgem.c
@@ -0,0 +1,1036 @@
+/*
+ * udmfE_usbgem.c : Davicom DM9601E USB to Fast Ethernet Driver for Solaris
+ *
+ * Copyright (c) 2009-2012 Masayuki Murayama.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the author nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
+
+#pragma ident "%W% %E%"
+
+/*
+ *  Changelog:
+ */
+
+/*
+ * TODO
+ */
+/* ======================================================= */
+
+/*
+ * Solaris system header files and macros
+ */
+
+/* minimum kernel headers for drivers */
+#include <sys/types.h>
+#include <sys/conf.h>
+#include <sys/debug.h>
+#include <sys/kmem.h>
+#include <sys/modctl.h>
+#include <sys/errno.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/byteorder.h>
+
+/* ethernet stuff */
+#include <sys/ethernet.h>
+
+/* interface card depend stuff */
+#include <sys/stropts.h>
+#include <sys/stream.h>
+#include <sys/strlog.h>
+#include <sys/usb/usba.h>
+#include "usbgem.h"
+
+/* hardware stuff */
+#include "usbgem_mii.h"
+#include "dm9601reg.h"
+
+char	ident[] = "dm9601 usbnic driver v" VERSION;
+
+/*
+ * Useful macros
+ */
+#define	CHECK_AND_JUMP(err, label)	if (err != USB_SUCCESS) goto label
+#define	LE16P(p)	((((uint8_t *)(p))[1] << 8) | ((uint8_t *)(p))[0])
+
+/*
+ * Debugging
+ */
+#ifdef DEBUG_LEVEL
+static int udmf_debug = DEBUG_LEVEL;
+#define	DPRINTF(n, args)	if (udmf_debug > (n)) cmn_err args
+#else
+#define	DPRINTF(n, args)
+#endif
+
+/*
+ * Our configration for dm9601
+ */
+/* timeouts */
+#define	ONESEC	(drv_usectohz(1*1000000))
+
+/*
+ * Local device definitions
+ */
+struct udmf_dev {
+	/*
+	 * Misc HW information
+	 */
+	uint8_t	rcr;
+	uint8_t	last_nsr;
+	uint8_t	mac_addr[ETHERADDRL];
+};
+
+/*
+ * private functions
+ */
+
+/* mii operations */
+static uint16_t udmf_mii_read(struct usbgem_dev *, uint_t, int *errp);
+static void udmf_mii_write(struct usbgem_dev *, uint_t, uint16_t, int *errp);
+
+/* nic operations */
+static int udmf_reset_chip(struct usbgem_dev *);
+static int udmf_init_chip(struct usbgem_dev *);
+static int udmf_start_chip(struct usbgem_dev *);
+static int udmf_stop_chip(struct usbgem_dev *);
+static int udmf_set_media(struct usbgem_dev *);
+static int udmf_set_rx_filter(struct usbgem_dev *);
+static int udmf_get_stats(struct usbgem_dev *);
+static void udmf_interrupt(struct usbgem_dev *, mblk_t *);
+
+/* packet operations */
+static mblk_t *udmf_tx_make_packet(struct usbgem_dev *, mblk_t *);
+static mblk_t *udmf_rx_make_packet(struct usbgem_dev *, mblk_t *);
+
+/* =============================================================== */
+/*
+ * I/O functions
+ */
+/* =============================================================== */
+#define	OUT(dp, ix, len, buf, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_out((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_HOST_TO_DEV	\
+		    | USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */	1,	\
+	/* wValue */	0,	\
+	/* wIndex */	(ix),	\
+	/* wLength */	(len),	\
+	/* value */	(buf),	\
+	/* size */	(len))) != USB_SUCCESS) goto label
+
+#define	OUTB(dp, ix, val, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_out((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_HOST_TO_DEV	\
+		    | USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */	3,	\
+	/* wValue */	(val),	\
+	/* wIndex */	(ix),	\
+	/* wLength */	0,	\
+	/* value */	NULL,	\
+	/* size */	0)) != USB_SUCCESS) goto label
+
+#define	IN(dp, ix, len, buf, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_in((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_DEV_TO_HOST	\
+		    | USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */	0,	\
+	/* wValue */	0,	\
+	/* wIndex */	(ix),	\
+	/* wLength */	(len),	\
+	/* valuep */	(buf),	\
+	/* size */	(len))) != USB_SUCCESS) goto label
+
+/* =============================================================== */
+/*
+ * Hardware manupilation
+ */
+/* =============================================================== */
+static void
+udmf_enable_phy(struct usbgem_dev *dp)
+{
+	int	err = USB_SUCCESS;
+
+	/* de-assert reset signal to phy */
+	OUTB(dp, GPCR, GPCR_OUT(0), &err, usberr);
+	OUTB(dp, GPR, 0, &err, usberr);
+usberr:
+	;
+}
+
+static int
+udmf_reset_chip(struct usbgem_dev *dp)
+{
+	int	err = USB_SUCCESS;
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	OUTB(dp, NCR, NCR_LBK_NORMAL | NCR_RST, &err, usberr);
+	drv_usecwait(100);
+usberr:
+	return (err);
+}
+
+/*
+ * Setup dm9601
+ */
+static int
+udmf_init_chip(struct usbgem_dev *dp)
+{
+	int		i;
+	uint32_t	val;
+	int		err = USB_SUCCESS;
+	uint16_t	reg;
+	uint8_t		buf[2];
+	struct udmf_dev	*lp = dp->private;
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	OUTB(dp, NCR, NCR_LBK_NORMAL, &err, usberr);
+
+	/* tx control regiser: enable padding and crc generation */
+	OUTB(dp, TCR, 0, &err, usberr);
+
+	/* rx control register: will be set later by udmf_set_rx_filer() */
+	lp->rcr = RCR_RUNT;
+
+	/* back pressure threshold: */
+	OUTB(dp, BPTR, (2 << BPTR_BPHW_SHIFT) | BPTR_JPT_200us,
+	    &err, usberr);
+
+	/* flow control threshold: same as default */
+	OUTB(dp, FCTR, (3 << FCTR_HWOT_SHIFT) | (8 << FCTR_LWOT_SHIFT),
+	    &err, usberr);
+
+	/* usb control register */
+	OUTB(dp, USBC, USBC_EP3ACK | 0x06, &err, usberr);
+
+	/* flow control: will be set later by udmf_set_media() */
+
+	/* wake up control register: */
+	OUTB(dp, WCR, 0, &err, usberr);
+
+usberr:
+	DPRINTF(2, (CE_CONT, "!%s: %s: end err:%d(%s)",
+	    dp->name, __func__,
+	    err, err == USB_SUCCESS ? "success" : "error"));
+	return (err);
+}
+
+static int
+udmf_start_chip(struct usbgem_dev *dp)
+{
+	int	err = USB_SUCCESS;
+	struct udmf_dev	*lp = dp->private;
+
+	/* enable Rx */
+	lp->rcr |= RCR_RXEN;
+	OUTB(dp, RCR, lp->rcr, &err, usberr);
+
+usberr:
+	DPRINTF(2, (CE_CONT, "!%s: %s: end err:%d(%s)",
+	    dp->name, __func__,
+	    err, err == USB_SUCCESS ? "success" : "error"));
+	return (err);
+}
+
+static int
+udmf_stop_chip(struct usbgem_dev *dp)
+{
+	int	err = USB_SUCCESS;
+	struct udmf_dev	*lp = dp->private;
+
+	/* disable rx */
+	lp->rcr &= ~RCR_RXEN;
+	OUTB(dp, RCR, lp->rcr, &err, usberr);
+
+usberr:
+	DPRINTF(2, (CE_CONT, "!%s: %s: end err:%d(%s)",
+	    dp->name, __func__,
+	    err, err == USB_SUCCESS ? "success" : "error"));
+	return (err);
+}
+
+static int
+udmf_get_stats(struct usbgem_dev *dp)
+{
+	/* EMPTY */
+	return (USB_SUCCESS);
+}
+
+static uint_t
+udmf_mcast_hash(struct usbgem_dev *dp, const uint8_t *addr)
+{
+	return (usbgem_ether_crc_le(addr) & 0x3f);
+}
+
+static int
+udmf_set_rx_filter(struct usbgem_dev *dp)
+{
+	int		i;
+	uint8_t		rcr;
+	uint8_t		mode;
+	uint8_t		mhash[8];
+	uint8_t		*mac;
+	uint_t		h;
+	int		err = USB_SUCCESS;
+	struct udmf_dev	*lp = dp->private;
+	static uint8_t	invalid_mac[ETHERADDRL] = {0, 0, 0, 0, 0, 0};
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: called, rxmode:%x",
+	    dp->name, __func__, dp->rxmode));
+
+	if (lp->rcr & RCR_RXEN) {
+		/* set promiscuous mode before changing rx filter mode */
+		OUTB(dp, RCR, lp->rcr | RCR_PRMSC, &err, usberr);
+	}
+
+	lp->rcr &= ~(RCR_ALL | RCR_PRMSC);
+	mode = 0;
+	bzero(mhash, sizeof (mhash));
+	mac = dp->cur_addr.ether_addr_octet;
+
+	if ((dp->rxmode & RXMODE_ENABLE) == 0) {
+		mac = invalid_mac;
+	} else if (dp->rxmode & RXMODE_PROMISC) {
+		/* promiscious mode implies all multicast and all physical */
+		mode |= RCR_PRMSC;
+	} else if ((dp->rxmode & RXMODE_ALLMULTI) || dp->mc_count > 32) {
+		/* accept all multicast packets */
+		mode |= RCR_ALL;
+	} else if (dp->mc_count > 0) {
+		/*
+		 * make hash table to select interresting
+		 * multicast address only.
+		 */
+		for (i = 0; i < dp->mc_count; i++) {
+			/* hash table is 64 = 2^6 bit width */
+			h = dp->mc_list[i].hash;
+			mhash[h / 8] |= 1 << (h % 8);
+		}
+	}
+
+	/* set node address */
+	if (bcmp(mac, lp->mac_addr, ETHERADDRL) != 0) {
+		OUT(dp, PAR, ETHERADDRL, dp->cur_addr.ether_addr_octet,
+		    &err, usberr);
+		bcopy(mac, lp->mac_addr, ETHERADDRL);
+	}
+
+	/* set multicast hash table */
+	OUT(dp, MAR, sizeof (mhash), &mhash[0], &err, usberr);
+
+	/* update rcr */
+	lp->rcr |= mode;
+	OUTB(dp, RCR, lp->rcr, &err, usberr);
+
+#if DEBUG_LEVEL > 1
+	/* verify rcr */
+	IN(dp, RCR, 1, &rcr, &err, usberr);
+	cmn_err(CE_CONT, "!%s: %s: rcr:%b returned",
+	    dp->name, __func__, rcr, RCR_BITS);
+#endif
+usberr:
+	DPRINTF(2, (CE_CONT, "!%s: %s: end err:%d(%s)",
+	    dp->name, __func__,
+	    err, err == USB_SUCCESS ? "success" : "error"));
+	return (err);
+}
+
+static int
+udmf_set_media(struct usbgem_dev *dp)
+{
+	int	err = USB_SUCCESS;
+	uint8_t	fcr;
+	struct udmf_dev	*lp = dp->private;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/* setup flow control */
+	fcr = 0;
+	if (dp->full_duplex) {
+		/* select flow control */
+		switch (dp->flow_control) {
+		case FLOW_CONTROL_RX_PAUSE:
+			fcr |= FCR_FLCE;
+			break;
+
+		case FLOW_CONTROL_TX_PAUSE:
+			fcr |= FCR_TXPEN;
+			break;
+
+		case FLOW_CONTROL_SYMMETRIC:
+			fcr |= FCR_FLCE | FCR_TXPEN;
+			break;
+		}
+	}
+
+	/* update flow control register */
+	OUTB(dp, FCR, fcr, &err, usberr);
+
+usberr:
+	DPRINTF(2, (CE_CONT, "!%s: %s: end err:%d(%s)",
+	    dp->name, __func__,
+	    err, err == USB_SUCCESS ? "success" : "error"));
+	return (err);
+}
+
+/*
+ * send/receive packet check
+ */
+static mblk_t *
+udmf_tx_make_packet(struct usbgem_dev *dp, mblk_t *mp)
+{
+	int		n;
+	size_t		pkt_size;
+	mblk_t		*new;
+	mblk_t		*tp;
+	uint8_t		*bp;
+	uint8_t		*last_pos;
+	uint_t		align_mask;
+
+	pkt_size = msgdsize(mp);
+	align_mask = 63;
+
+	/*
+	 * re-allocate the mp
+	 */
+
+	/* minimum ethernet packet size of ETHERMIN */
+	pkt_size = max(pkt_size, ETHERMIN);
+
+#if 0 /* CONFIG_ADD_TX_DELIMITOR_ALWAYS */
+	pkt_size += TX_HEADER_SIZE;
+#endif
+	if (((pkt_size + TX_HEADER_SIZE) & align_mask) == 0) {
+		/* padding is required in usb communication */
+		pkt_size += TX_HEADER_SIZE;
+	}
+
+	if ((new = allocb(TX_HEADER_SIZE + pkt_size, 0)) == NULL) {
+		return (NULL);
+	}
+	new->b_wptr = new->b_rptr + TX_HEADER_SIZE + pkt_size;
+
+	/* add a header */
+	bp = new->b_rptr;
+	bp[0] = (uint8_t)pkt_size;
+	bp[1] = (uint8_t)(pkt_size >> 8);
+	bp += TX_HEADER_SIZE;
+
+	/* copy contents of the buffer */
+	for (tp = mp; tp; tp = tp->b_cont) {
+		n = tp->b_wptr - tp->b_rptr;
+		bcopy(tp->b_rptr, bp, n);
+		bp += n;
+	}
+
+	/* clear the rest including the next zero length header */
+	last_pos = new->b_wptr;
+	while (bp < last_pos) {
+		*bp++ = 0;
+	}
+
+	return (new);
+}
+
+static void
+udmf_dump_packet(struct usbgem_dev *dp, uint8_t *bp, int n)
+{
+	int	i;
+
+	for (i = 0; i < n; i += 8, bp += 8) {
+		cmn_err(CE_CONT, "%02x %02x %02x %02x %02x %02x %02x %02x",
+		    bp[0], bp[1], bp[2], bp[3], bp[4], bp[5], bp[6], bp[7]);
+	}
+}
+
+static mblk_t *
+udmf_rx_make_packet(struct usbgem_dev *dp, mblk_t *mp)
+{
+	int	len;
+	uint8_t	rx_stat;
+
+	len = mp->b_wptr - mp->b_rptr;
+
+	if (len <= RX_HEADER_SIZE) {
+		/*
+		 * the usb bulk-in frame doesn't include a valid
+		 * ethernet packet.
+		 */
+		return (NULL);
+	}
+
+	/* remove rx header */
+	rx_stat = mp->b_rptr[0];
+	if (rx_stat & (RSR_RF |  RSR_LCS | RSR_RWTO |
+	    RSR_PLE | RSR_AE | RSR_CE |  RSR_FOE)) {
+		if (rx_stat & RSR_RF) {
+			dp->stats.runt++;
+		}
+		if (rx_stat & RSR_LCS) {
+			/* late collision */
+			dp->stats.rcv_internal_err++;
+		}
+		if (rx_stat & RSR_RWTO) {
+			/* rx timeout */
+			dp->stats.rcv_internal_err++;
+		}
+		if (rx_stat & RSR_PLE) {
+			/* physical layer error */
+			dp->stats.rcv_internal_err++;
+		}
+		if (rx_stat & RSR_AE) {
+			/* alignment error */
+			dp->stats.frame++;
+		}
+		if (rx_stat & RSR_CE) {
+			/* crc error */
+			dp->stats.crc++;
+		}
+		if (rx_stat & RSR_FOE) {
+			/* fifo overflow error */
+			dp->stats.overflow++;
+		}
+		dp->stats.errrcv++;
+	}
+	len = LE16P(&mp->b_rptr[1]);
+	if (len >= ETHERFCSL) {
+		len -= ETHERFCSL;
+	}
+	mp->b_rptr += RX_HEADER_SIZE;
+	mp->b_wptr = mp->b_rptr + len;
+
+	return (mp);
+}
+
+/*
+ * MII Interfaces
+ */
+static uint16_t
+udmf_ep_read(struct usbgem_dev *dp, uint_t which, uint_t addr, int *errp)
+{
+	int	i;
+	uint8_t	epcr;
+	uint16_t	val;
+
+	DPRINTF(4, (CE_CONT, "!%s: %s: called, ix:%d",
+	    dp->name, __func__, addr));
+
+	OUTB(dp, EPAR, addr, errp, usberr);
+	OUTB(dp, EPCR, which | EPCR_ERPRR, errp, usberr);
+
+	for (i = 0; i < 100; i++) {
+		IN(dp, EPCR, sizeof (epcr), &epcr, errp, usberr);
+		if ((epcr & EPCR_ERRE) == 0) {
+			/* done */
+			IN(dp, EPDR, sizeof (val), &val, errp, usberr);
+			val = LE_16(val);
+			goto done;
+		}
+		drv_usecwait(10);
+	}
+	/* timeout */
+	cmn_err(CE_WARN, "!%s: %s: timeout", dp->name, __func__);
+	val = 0;
+done:
+	OUTB(dp, EPCR, 0, errp, usberr);
+	return (val);
+
+usberr:
+	DPRINTF(2, (CE_CONT, "!%s: %s: end err:%d(%s)",
+	    dp->name, __func__,
+	    *errp, *errp == USB_SUCCESS ? "success" : "error"));
+	return (0);
+}
+
+static void
+udmf_ep_write(struct usbgem_dev *dp, uint_t which, uint_t addr,
+    uint16_t val, int *errp)
+{
+	int	i;
+	uint8_t	epcr;
+
+	DPRINTF(5, (CE_CONT, "!%s: %s called", dp->name, __func__));
+
+	val = LE_16(val);
+	OUT(dp, EPDR, sizeof (val), &val, errp, usberr);
+
+	OUTB(dp, EPAR, addr, errp, usberr);
+
+	OUTB(dp, EPCR, which | EPCR_WEP | EPCR_ERPRW, errp, usberr);
+
+	for (i = 0; i < 100; i++) {
+		IN(dp, EPCR, 1, &epcr, errp, usberr);
+		if ((epcr & EPCR_ERRE) == 0) {
+			/* done */
+			goto done;
+		}
+		drv_usecwait(10);
+	}
+	/* timeout */
+	cmn_err(CE_WARN, "!%s: %s: timeout", dp->name, __func__);
+done:
+	OUTB(dp, EPCR, 0, errp, usberr);
+	return;
+
+usberr:
+	DPRINTF(2, (CE_CONT, "!%s: %s: end err:%d(%s)",
+	    dp->name, __func__,
+	    *errp, *errp == USB_SUCCESS ? "success" : "error"));
+}
+
+static uint16_t
+udmf_mii_read(struct usbgem_dev *dp, uint_t index, int *errp)
+{
+	uint16_t	val;
+
+	val = udmf_ep_read(dp, EPCR_EPOS,
+	    (dp->mii_phy_addr << EPAR_PHYADR_SHIFT) | index, errp);
+
+	return (val);
+}
+
+static void
+udmf_mii_write(struct usbgem_dev *dp, uint_t index, uint16_t val, int *errp)
+{
+	udmf_ep_write(dp, EPCR_EPOS,
+	    (dp->mii_phy_addr << EPAR_PHYADR_SHIFT) | index, val, errp);
+}
+
+static void
+udmf_interrupt(struct usbgem_dev *dp, mblk_t *mp)
+{
+	struct intr_msg	*imp;
+	struct udmf_dev	*lp = dp->private;
+
+	imp = (struct intr_msg *)&mp->b_rptr[0];
+
+	DPRINTF(4, (CE_CONT,
+	    "!%s: %s: size:%d, nsr:%b tsr1:%b tsr2:%b"
+	    " rsr:%b rocr:%b rxc:%02x txc:%b gpr:%b",
+	    dp->name, __func__, mp->b_wptr - mp->b_rptr,
+	    imp->im_nsr, NSR_BITS,
+	    imp->im_tsr1, TSR_BITS,
+	    imp->im_tsr2, TSR_BITS,
+	    imp->im_rsr, RSR_BITS,
+	    imp->im_rocr, ROCR_BITS,
+	    imp->im_rxc,
+	    imp->im_txc, TUSR_BITS,
+	    imp->im_gpr, GPR_BITS));
+
+	if ((lp->last_nsr ^ imp->im_nsr) & NSR_LINKST) {
+		usbgem_mii_update_link(dp);
+	}
+
+	lp->last_nsr = imp->im_nsr;
+}
+
+/* ======================================================== */
+/*
+ * OS depend (device driver DKI) routine
+ */
+/* ======================================================== */
+static uint16_t
+udmf_eeprom_read(struct usbgem_dev *dp, uint_t index, int *errp)
+{
+	uint16_t	val;
+
+	val = udmf_ep_read(dp, 0, index, errp);
+
+	return (val);
+}
+
+#ifdef DEBUG_LEVEL
+static void
+udmf_eeprom_dump(struct usbgem_dev *dp, int size)
+{
+	int	i;
+	int	err;
+	uint16_t	w0, w1, w2, w3;
+
+	cmn_err(CE_CONT, "!%s: eeprom dump:", dp->name);
+
+	err = USB_SUCCESS;
+
+	for (i = 0; i < size; i += 4) {
+		w0 = udmf_eeprom_read(dp, i + 0, &err);
+		w1 = udmf_eeprom_read(dp, i + 1, &err);
+		w2 = udmf_eeprom_read(dp, i + 2, &err);
+		w3 = udmf_eeprom_read(dp, i + 3, &err);
+		cmn_err(CE_CONT, "!0x%02x: 0x%04x 0x%04x 0x%04x 0x%04x",
+		    i, w0, w1, w2, w3);
+	}
+usberr:
+	;
+}
+#endif
+
+static int
+udmf_attach_chip(struct usbgem_dev *dp)
+{
+	int	i;
+	uint_t	val;
+	uint8_t	*m;
+	int	err;
+	struct udmf_dev	*lp = dp->private;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s enter", dp->name, __func__));
+
+	/*
+	 * get mac address from EEPROM
+	 */
+	m = dp->dev_addr.ether_addr_octet;
+	for (i = 0; i < ETHERADDRL; i += 2)  {
+		val = udmf_eeprom_read(dp, i/2, &err);
+		m[i + 0] = (uint8_t)val;
+		m[i + 1] = (uint8_t)(val >> 8);
+	}
+
+	/* invalidate a private cache for mac addr */
+	bzero(lp->mac_addr, sizeof (lp->mac_addr));
+#ifdef CONFIG_VLAN
+	dp->misc_flag = USBGEM_VLAN;
+#endif
+#if DEBUG_LEVEL > 0
+	udmf_eeprom_dump(dp, /* 0x3f + 1 */ 128);
+#endif
+{
+	static uint8_t bcst[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+	DPRINTF(0, (CE_CONT, "!%s: %s: hash of bcast:%x",
+	    dp->name, __func__, usbgem_ether_crc_be(bcst)));
+}
+	return (USB_SUCCESS);
+
+usberr:
+	cmn_err(CE_WARN, "%s: %s: usb error detected (%d)",
+	    dp->name, __func__, err);
+	return (USB_FAILURE);
+}
+
+static int
+udmf_mii_probe(struct usbgem_dev *dp)
+{
+	DPRINTF(2, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	udmf_enable_phy(dp);
+	return (usbgem_mii_probe_default(dp));
+}
+
+static int
+udmf_mii_init(struct usbgem_dev *dp)
+{
+	DPRINTF(2, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+	udmf_enable_phy(dp);
+	return (USB_SUCCESS);
+}
+
+static int
+udmfattach(dev_info_t *dip, ddi_attach_cmd_t cmd)
+{
+	int			i;
+	ddi_iblock_cookie_t	c;
+	int			ret;
+	int			revid;
+	int			unit;
+	int			len;
+	const char		*drv_name;
+	struct usbgem_dev	*dp;
+	void			*base;
+	struct usbgem_conf	*ugcp;
+	struct udmf_dev		*lp;
+
+	unit = ddi_get_instance(dip);
+	drv_name = ddi_driver_name(dip);
+
+	DPRINTF(3, (CE_CONT, "!%s%d: %s: called, cmd:%d",
+	    drv_name, unit, __func__, cmd));
+
+	if (cmd == DDI_ATTACH) {
+		/*
+		 * construct usbgem configration
+		 */
+		ugcp = kmem_zalloc(sizeof (*ugcp), KM_SLEEP);
+
+		/* name */
+		/*
+		 * softmac requires that ppa is the instance number
+		 * of the device, otherwise it hangs in seaching the device.
+		 */
+		sprintf(ugcp->usbgc_name, "%s%d", drv_name, unit);
+		ugcp->usbgc_ppa = unit;
+
+		ugcp->usbgc_ifnum = 0;
+		ugcp->usbgc_alt = 0;
+
+		ugcp->usbgc_tx_list_max = 64;
+
+		ugcp->usbgc_rx_header_len = RX_HEADER_SIZE;
+		ugcp->usbgc_rx_list_max = 64;
+
+		/* time out parameters */
+		ugcp->usbgc_tx_timeout = USBGEM_TX_TIMEOUT;
+		ugcp->usbgc_tx_timeout_interval = USBGEM_TX_TIMEOUT_INTERVAL;
+#if 1
+		/* flow control */
+		ugcp->usbgc_flow_control = FLOW_CONTROL_RX_PAUSE;
+#else
+		/*
+		 * XXX - flow control caused link down frequently under
+		 * heavy traffic
+		 */
+		ugcp->usbgc_flow_control = FLOW_CONTROL_NONE;
+#endif
+		/* MII timeout parameters */
+		ugcp->usbgc_mii_link_watch_interval =
+		    USBGEM_LINK_WATCH_INTERVAL;
+		ugcp->usbgc_mii_an_watch_interval = 
+		    USBGEM_LINK_WATCH_INTERVAL/5;
+		ugcp->usbgc_mii_reset_timeout = MII_RESET_TIMEOUT; /* 1 sec */
+		ugcp->usbgc_mii_an_timeout = MII_AN_TIMEOUT;	/* 5 sec */
+		ugcp->usbgc_mii_an_wait = (25*ONESEC)/10;
+		ugcp->usbgc_mii_linkdown_timeout = MII_LINKDOWN_TIMEOUT;
+
+		ugcp->usbgc_mii_an_delay = ONESEC/10;
+		ugcp->usbgc_mii_linkdown_action = MII_ACTION_RSA;
+		ugcp->usbgc_mii_linkdown_timeout_action = MII_ACTION_RESET;
+		ugcp->usbgc_mii_dont_reset = B_FALSE;
+		ugcp->usbgc_mii_hw_link_detection = B_TRUE;
+
+		/* I/O methods */
+
+		/* mac operation */
+		ugcp->usbgc_attach_chip = &udmf_attach_chip;
+		ugcp->usbgc_reset_chip = &udmf_reset_chip;
+		ugcp->usbgc_init_chip = &udmf_init_chip;
+		ugcp->usbgc_start_chip = &udmf_start_chip;
+		ugcp->usbgc_stop_chip = &udmf_stop_chip;
+		ugcp->usbgc_multicast_hash = &udmf_mcast_hash;
+
+		ugcp->usbgc_set_rx_filter = &udmf_set_rx_filter;
+		ugcp->usbgc_set_media = &udmf_set_media;
+		ugcp->usbgc_get_stats = &udmf_get_stats;
+		ugcp->usbgc_interrupt = &udmf_interrupt;
+
+		/* packet operation */
+		ugcp->usbgc_tx_make_packet = &udmf_tx_make_packet;
+		ugcp->usbgc_rx_make_packet = &udmf_rx_make_packet;
+
+		/* mii operations */
+		ugcp->usbgc_mii_probe = &udmf_mii_probe;
+		ugcp->usbgc_mii_init = &udmf_mii_init;
+		ugcp->usbgc_mii_config = &usbgem_mii_config_default;
+		ugcp->usbgc_mii_read = &udmf_mii_read;
+		ugcp->usbgc_mii_write = &udmf_mii_write;
+		ugcp->usbgc_mii_addr_min = 1;
+
+		/* mtu */
+		ugcp->usbgc_min_mtu = ETHERMTU;
+		ugcp->usbgc_max_mtu = ETHERMTU;
+		ugcp->usbgc_default_mtu = ETHERMTU;
+		
+		lp = kmem_zalloc(sizeof (struct udmf_dev), KM_SLEEP);
+		lp->last_nsr;
+
+		ddi_set_driver_private(dip, NULL);
+
+		dp = usbgem_do_attach(dip, ugcp, lp, sizeof (struct udmf_dev));
+
+		kmem_free(ugcp, sizeof (*ugcp));
+
+		if (dp != NULL) {
+			return (DDI_SUCCESS);
+		}
+
+err_free_mem:
+		kmem_free(lp, sizeof (struct udmf_dev));
+err_close_pipe:
+err:
+		return (DDI_FAILURE);
+	}
+
+	if (cmd == DDI_RESUME) {
+		return (usbgem_resume(dip));
+	}
+
+	return (DDI_FAILURE);
+}
+
+static int
+udmfdetach(dev_info_t *dip, ddi_detach_cmd_t cmd)
+{
+	int	ret;
+
+	if (cmd == DDI_DETACH) {
+		ret = usbgem_do_detach(dip);
+		if (ret != DDI_SUCCESS) {
+			return (DDI_FAILURE);
+		}
+		return (DDI_SUCCESS);
+	}
+	if (cmd == DDI_SUSPEND) {
+		return (usbgem_suspend(dip));
+	}
+	return (DDI_FAILURE);
+}
+
+/* ======================================================== */
+/*
+ * OS depend (loadable streams driver) routine
+ */
+/* ======================================================== */
+#ifdef USBGEM_CONFIG_GLDv3
+USBGEM_STREAM_OPS(udmf_ops, udmfattach, udmfdetach);
+#else
+static	struct module_info udmfminfo = {
+	0,			/* mi_idnum */
+	"udmf",			/* mi_idname */
+	0,			/* mi_minpsz */
+	ETHERMTU,		/* mi_maxpsz */
+	ETHERMTU*128,		/* mi_hiwat */
+	1,			/* mi_lowat */
+};
+
+static	struct qinit udmfrinit = {
+	(int (*)()) NULL,	/* qi_putp */
+	usbgem_rsrv,		/* qi_srvp */
+	usbgem_open,		/* qi_qopen */
+	usbgem_close,		/* qi_qclose */
+	(int (*)()) NULL,	/* qi_qadmin */
+	&udmfminfo,		/* qi_minfo */
+	NULL			/* qi_mstat */
+};
+
+static	struct qinit udmfwinit = {
+	usbgem_wput,		/* qi_putp */
+	usbgem_wsrv,		/* qi_srvp */
+	(int (*)()) NULL,	/* qi_qopen */
+	(int (*)()) NULL,	/* qi_qclose */
+	(int (*)()) NULL,	/* qi_qadmin */
+	&udmfminfo,		/* qi_minfo */
+	NULL			/* qi_mstat */
+};
+
+static struct streamtab	udmf_info = {
+	&udmfrinit,	/* st_rdinit */
+	&udmfwinit,	/* st_wrinit */
+	NULL,		/* st_muxrinit */
+	NULL		/* st_muxwrinit */
+};
+
+static	struct cb_ops cb_udmf_ops = {
+	nulldev,	/* cb_open */
+	nulldev,	/* cb_close */
+	nodev,		/* cb_strategy */
+	nodev,		/* cb_print */
+	nodev,		/* cb_dump */
+	nodev,		/* cb_read */
+	nodev,		/* cb_write */
+	nodev,		/* cb_ioctl */
+	nodev,		/* cb_devmap */
+	nodev,		/* cb_mmap */
+	nodev,		/* cb_segmap */
+	nochpoll,	/* cb_chpoll */
+	ddi_prop_op,	/* cb_prop_op */
+	&udmf_info,	/* cb_stream */
+	D_NEW|D_MP	/* cb_flag */
+};
+
+static	struct dev_ops udmf_ops = {
+	DEVO_REV,	/* devo_rev */
+	0,		/* devo_refcnt */
+	usbgem_getinfo,	/* devo_getinfo */
+	nulldev,	/* devo_identify */
+	nulldev,	/* devo_probe */
+	udmfattach,	/* devo_attach */
+	udmfdetach,	/* devo_detach */
+	nodev,		/* devo_reset */
+	&cb_udmf_ops,	/* devo_cb_ops */
+	NULL,		/* devo_bus_ops */
+        usbgem_power,   /* devo_power */
+#if DEVO_REV >= 4
+	usbgem_quiesce, /* devo_quiesce */
+#endif
+};
+#endif
+
+static struct modldrv modldrv = {
+	&mod_driverops,	/* Type of module.  This one is a driver */
+	ident,
+	&udmf_ops,	/* driver ops */
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1, &modldrv, NULL
+};
+
+/* ======================================================== */
+/*
+ * _init : done
+ */
+/* ======================================================== */
+int
+_init(void)
+{
+	int 	status;
+
+	DPRINTF(2, (CE_CONT, "!udmf: _init: called"));
+
+	status = usbgem_mod_init(&udmf_ops, "udmf");
+	if (status != DDI_SUCCESS) {
+		return (status);
+	}
+	status = mod_install(&modlinkage);
+	if (status != DDI_SUCCESS) {
+		usbgem_mod_fini(&udmf_ops);
+	}
+	return (status);
+}
+
+/*
+ * _fini : done
+ */
+int
+_fini(void)
+{
+	int	status;
+
+	DPRINTF(2, (CE_CONT, "!udmf: _fini: called"));
+	status = mod_remove(&modlinkage);
+	if (status == DDI_SUCCESS) {
+		usbgem_mod_fini(&udmf_ops);
+	}
+	return (status);
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
diff --git a/usr/src/uts/common/io/upf/adm8511reg.h b/usr/src/uts/common/io/upf/adm8511reg.h
new file mode 100644
index 0000000000..68a2207bb5
--- /dev/null
+++ b/usr/src/uts/common/io/upf/adm8511reg.h
@@ -0,0 +1,205 @@
+/*
+ * @(#)adm8511reg.h	1.1 09/06/20
+ * Register dehinitsions of ADMtek ADM8511 Fast Ethernet to USB controller.
+ * Codeded by Masayuki Murayama(KHF04453@nifty.ne.jp)
+ * This file is public domain.
+ */
+
+#define	EC0		0x00	/* B */
+#define	EC1		0x01	/* B */
+#define	EC2		0x02	/* B */
+#define	MA		0x08	/* 8byte array */
+#define	EID		0x10	/* B */
+#define	PAUSETIMER	0x18	/* B pause timer */
+#define	RPNBFC		0x1a	/* B */
+#define	ORFBFC		0x1b	/* B */
+#define	EP1C		0x1c	/* B */
+#define	RXFC		0x1d	/* B */
+#define	BIST		0x1e	/* B */
+#define	EEOFFSET	0x20	/* B */
+#define	EEDATA		0x21	/* W */
+#define	EECTRL		0x23	/* B */
+#define	PHYA		0x25	/* B */
+#define	PHYD		0x26 	/* W */
+#define	PHYAC		0x28	/* B */
+#define	USBSTAT		0x2a	/* B */
+#define	ETHTXSTAT	0x2b	/* W */
+#define	ETHRXSTAT	0x2d	/* B */
+#define	LOSTCNT		0x2e	/* W */
+#define	WF0MASK		0x30	/* 16byte array */
+#define	WF0OFFSET	0x40	/* W */
+#define	WF0CRC		0x41	/* W */
+#define	WF1MASK		0x48	/* 16byte array */
+#define	WF1OFFSET	0x58	/* W */
+#define	WF1CRC		0x59	/* W */
+#define	WF2MASK		0x60	/* 16byte array */
+#define	WF2OFFSET	0x70	/* W */
+#define	WF2CRC		0x71	/* W */
+#define	WCTRL		0x78	/* B */
+#define	WSTAT		0x7a	/* B */
+#define	IPHYC		0x7b	/* B */
+#define	GPIO54		0x7c	/* B */
+#define	GPIO10		0x7e	/* B */
+#define	GPIO32		0x7f	/* B */
+#define	TEST		0x80	/* B */
+#define	TM		0x81	/* B */
+#define	RPN		0x82	/* B */
+
+/* Ethernet control register 0: offset 0 */
+#define	EC0_TXE		0x80U
+#define	EC0_RXE		0x40U
+#define	EC0_RXFCE	0x20U
+#define	EC0_WOE		0x10U
+#define	EC0_RXSA	0x08U
+#define	EC0_SBO		0x04U
+#define	EC0_RXMA	0x02U
+#define	EC0_RXCS	0x01U
+
+#define	EC0_BITS	\
+	"\020"	\
+	"\010TXE"	\
+	"\007RXE"	\
+	"\006RXFCE"	\
+	"\005WOE"	\
+	"\004RXSA"	\
+	"\003SBO"	\
+	"\002RXMA"	\
+	"\001RXCS"
+
+/* Ethernet control register 1: offset 1 */
+#define	EC1_FD		0x20U
+#define	EC1_100M	0x10U	/* 0:10Mbps 1:100Mbps */
+#define	EC1_RM		0x08U	/* reset mac */
+
+#define	EC1_BITS	\
+	"\020"	\
+	"\006FD"	\
+	"\005100M"	\
+	"\004RM"
+
+/* Ethernet control register 2: offset 2 */
+#define	EC2_MEPL	0x80U	/* 8515: MTU 0:1528, 1:1638 */
+#define	EC2_RPNC	0x40U
+#define	EC2_LEEPRS	0x20U
+#define	EC2_EEPRW	0x10U
+#define	EC2_LB		0x08U
+#define	EC2_PROM	0x04U
+#define	EC2_RXBP	0x02U
+#define	EC2_EP3RC	0x01U
+
+#define	EC2_BITS	\
+	"\020"	\
+	"\010MEPS"	\
+	"\007RPNC"	\
+	"\006LEEPRS"	\
+	"\005EEPRW"	\
+	"\004LB"	\
+	"\003PROM"	\
+	"\002RXBP"	\
+	"\001EP3RC"
+
+/* Recieve Packet number based Flow Control register: offset 0x1a */
+#define	RPNBFC_PN	0x7eU	/* */
+#define		RPNBFC_PN_SHIFT	1
+#define	RPNBFC_FCP	0x01U	/* enable rx flow control */
+
+/* Occupied Recieve FIFO based Flow Control register: offset 0x1b */
+#define	ORFBFC_RXS	0x7eU	/* */
+#define		ORFBFC_RXS_SHIFT	1
+#define		ORFBFC_RXS_UNIT	1024U
+#define	ORFBFC_FCRXS	0x01U	/* enable rx flow control */
+
+/* EP1 control register: offset 0x1c */
+#define	EP1C_EP1S0E	0x80U	/* send 0 enable */
+#define	EP1C_ITMA	0x60U	/* internal test mode A */
+#define	EP1C_ITMB	0x1fU	/* internal test mode B */
+
+#define	EP1C_BITS	\
+	"\020"	\
+	"\010EP1S0E"
+
+/* Rx FIFO Control register: offset 0x1d */
+#define	RXFC_EXT_SRAM	0x02	/* enable external 32k sram */
+#define	RXFC_RX32PKT	0x01	/* max 32 packet */
+
+/* EEPROM offset register: offset 0x20 */
+#define	EEOFFSET_MASK	0x3f	/* eeprom offset address in word */
+
+/* EEPROM access control register: offset 0x23 */
+#define	EECTRL_DONE	0x04
+#define	EECTRL_RD	0x02
+#define	EECTRL_WR	0x01
+
+#define	EECTRL_BITS	\
+	"\020"	\
+	"\003DONE"	\
+	"\002RD"	\
+	"\001WR"
+
+/* PHY control register: offset 28 */
+#define	PHYAC_DO	0x80U	/* Done */
+#define	PHYAC_RDPHY	0x40U	/* read phy */
+#define	PHYAC_WRPHY	0x20U	/* write phy */
+#define	PHYAC_PHYRA	0x1fU	/* PHY register address */
+
+#define	PHYCTRL_BITS	\
+	"\020"	\
+	"\010DO"	\
+	"\007RDPHY"	\
+	"\006WRPHY"
+
+/* Internal PHY control register: offset 7b */
+#define	IPHYC_EPHY	0x02
+#define	IPHYC_PHYR	0x01
+
+#define	IPHYC_BITS	\
+	"\020"	\
+	"\002EPHY"	\
+	"\001PHYR"
+
+/* GPIO45 register: offset 7c */
+#define	GPIO54_5OE	0x20
+#define	GPIO54_5O	0x10
+#define	GPIO54_5I	0x08
+#define	GPIO54_4OE	0x04
+#define	GPIO54_4O	0x02
+#define	GPIO54_4I	0x01
+
+/* GPIO01 register: offset 7e */
+#define	GPIO10_1OE	0x20
+#define	GPIO10_1O	0x10
+#define	GPIO10_1I	0x08
+#define	GPIO10_0OE	0x04
+#define	GPIO10_0O	0x02
+#define	GPIO10_0I	0x01
+
+/* GPIO23 register: offset 7f */
+#define	GPIO32_3OE	0x20
+#define	GPIO32_3O	0x10
+#define	GPIO32_3I	0x08
+#define	GPIO32_2OE	0x04
+#define	GPIO32_2O	0x02
+#define	GPIO32_2I	0x01
+
+/* rx status at the end of received packets */
+/* byte 0 and 1 is packet length in little endian */
+/* byte 2 is receive status */
+#define	RSR_DRIBBLE	0x10
+#define	RSR_CRC		0x08
+#define	RSR_RUNT	0x04
+#define	RSR_LONG	0x02
+#define	RSR_MULTI	0x01
+
+#define	RSR_ERRORS	\
+	(RSR_DRIBBLE | RSR_CRC | RSR_RUNT | RSR_LONG | RSR_MULTI)
+
+#define	RSR_BITS	\
+	"\020"	\
+	"\005DRIBBLE"	\
+	"\004CRC"	\
+	"\003RUNT"	\
+	"\002LONG"	\
+	"\001MULTI"
+/* byte 3 is reserved */
+
+/* TEST register: offset 80 */
diff --git a/usr/src/uts/common/io/upf/upf_usbgem.c b/usr/src/uts/common/io/upf/upf_usbgem.c
new file mode 100644
index 0000000000..5614803158
--- /dev/null
+++ b/usr/src/uts/common/io/upf/upf_usbgem.c
@@ -0,0 +1,1213 @@
+/*
+ * upf_usbgem.c : ADMtek an986/adm8511/adm8513/adm8515 USB to
+ * Fast Ethernet Driver for Solaris
+ */
+
+/*
+ * Copyright (c) 2004-2011 Masayuki Murayama.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the author nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
+
+#pragma ident   "%W% %E%"
+
+/*
+ *  Changelog:
+ */
+
+/*
+ * TODO
+ */
+/* ======================================================= */
+
+/*
+ * Solaris system header files and macros
+ */
+#include <sys/types.h>
+#include <sys/conf.h>
+#include <sys/debug.h>
+#include <sys/kmem.h>
+#include <sys/modctl.h>
+#include <sys/errno.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/byteorder.h>
+
+/* ethernet stuff */
+#include <sys/ethernet.h>
+
+/* interface card depend stuff */
+#include <sys/stropts.h>
+#include <sys/stream.h>
+#include <sys/strlog.h>
+#include <sys/usb/usba.h>
+#include "usbgem.h"
+
+/* hardware stuff */
+#include "usbgem_mii.h"
+#include "adm8511reg.h"
+
+char	ident[] = "pegasus usbnic driver v" VERSION;
+
+/*
+ * Useful macros
+ */
+#define	CHECK_AND_JUMP(val, label)	\
+	if ((val) != USB_SUCCESS) { goto label; }
+
+/*
+ * Debugging
+ */
+#ifdef DEBUG_LEVEL
+static int upf_debug = DEBUG_LEVEL;
+#define	DPRINTF(n, args)	if (upf_debug > (n)) cmn_err args
+#else
+#define	DPRINTF(n, args)
+#endif
+
+/*
+ * Our configration for ADMtek Pegasus/PegasusII
+ */
+/* timeouts */
+#define	ONESEC		(drv_usectohz(1*1000000))
+
+/*
+ * Local device definitions
+ */
+struct upf_dev {
+	/*
+	 * Misc HW information
+	 */
+	uint8_t		ec[3];
+	uint8_t		mac_addr[ETHERADDRL];
+	int		chip_type;
+#define	CHIP_AN986	1	/* avoid 0 */
+#define	CHIP_ADM8511	2	/* including adm8515 */
+#define	CHIP_ADM8513	3
+	boolean_t	phy_init_done;
+	uint8_t		last_link_state;
+
+	uint16_t	vid;	/* vendor id */
+	uint16_t	pid;	/* product id */
+};
+
+/*
+ * private functions
+ */
+
+/* mii operations */
+static uint16_t upf_mii_read(struct usbgem_dev *, uint_t, int *errp);
+static void upf_mii_write(struct usbgem_dev *, uint_t, uint16_t, int *errp);
+
+/* nic operations */
+static int upf_attach_chip(struct usbgem_dev *);
+static int upf_reset_chip(struct usbgem_dev *);
+static int upf_init_chip(struct usbgem_dev *);
+static int upf_start_chip(struct usbgem_dev *);
+static int upf_stop_chip(struct usbgem_dev *);
+static int upf_set_media(struct usbgem_dev *);
+static int upf_set_rx_filter(struct usbgem_dev *);
+static int upf_get_stats(struct usbgem_dev *);
+
+/* packet operations */
+static mblk_t *upf_tx_make_packet(struct usbgem_dev *, mblk_t *);
+static mblk_t *upf_rx_make_packet(struct usbgem_dev *, mblk_t *);
+
+/* interrupt handler */
+static void upf_interrupt(struct usbgem_dev *, mblk_t *);
+
+/* =============================================================== */
+/*
+ * I/O functions
+ */
+/* =============================================================== */
+#define	UPF_REQ_GET_REGISTER	0xf0
+#define	UPF_REQ_SET_REGISTER	0xf1
+#define	OUTB(dp, p, v, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_out((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_HOST_TO_DEV	\
+		| USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */	UPF_REQ_SET_REGISTER,	\
+	/* wValue */	(v),	\
+	/* wIndex */	(p),	\
+	/* wLength */	1,	\
+	/* buf */	NULL,	\
+	/* size */	0)) != USB_SUCCESS) goto label;
+
+#define	OUTW(dp, p, v, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_out_val((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_HOST_TO_DEV	\
+		| USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */	UPF_REQ_SET_REGISTER,	\
+	/* wValue */	0,	\
+	/* wIndex */	(p),	\
+	/* wLength */	2,	\
+	/* value */	(v))) != USB_SUCCESS) goto label
+
+#define	OUTS(dp, p, buf, len, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_out((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_HOST_TO_DEV	\
+		| USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */	UPF_REQ_SET_REGISTER,	\
+	/* wValue */	0,	\
+	/* wIndex */	(p),	\
+	/* wLength */	(len),	\
+	/* buf */	(buf),	\
+	/* size */	(len))) != USB_SUCCESS) goto label
+
+#define	INB(dp, p, vp, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_in_val((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_DEV_TO_HOST	\
+		| USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */ UPF_REQ_GET_REGISTER,	\
+	/* wValue */	0,	\
+	/* wIndex */	(p),	\
+	/* wLength */	1,	\
+	/* valuep */	(vp))) != USB_SUCCESS) goto label
+
+#define	INW(dp, p, vp, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_in_val((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_DEV_TO_HOST	\
+		| USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */ UPF_REQ_GET_REGISTER,	\
+	/* wValue */	0,	\
+	/* wIndex */	(p),	\
+	/* wLength */	2,	\
+	/* valuep */	(vp))) != USB_SUCCESS) goto label
+
+#define	INS(dp, p, buf, len, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_in((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_DEV_TO_HOST	\
+		    | USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */ UPF_REQ_GET_REGISTER,	\
+	/* wValue */	0,	\
+	/* wIndex */	(p),	\
+	/* wLength */	(len),	\
+	/* buf */	(buf),	\
+	/* size */	(len))) != USB_SUCCESS) goto label
+
+/* =============================================================== */
+/*
+ * Hardware manupilation
+ */
+/* =============================================================== */
+static int
+upf_reset_chip(struct usbgem_dev *dp)
+{
+	int		i;
+	uint8_t		val;
+	int		err;
+	struct upf_dev	*lp = dp->private;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+	bzero(lp->mac_addr, sizeof (lp->mac_addr));
+
+	lp->ec[1] = 0;
+	OUTB(dp, EC1, EC1_RM, &err, usberr);
+
+	for (i = 0; i < 1000; i++) {
+		INB(dp, EC1, &val, &err, usberr);
+		if ((val & EC1_RM) == 0) {
+			lp->ec[1] = val;
+			return (USB_SUCCESS);
+		}
+		drv_usecwait(10);
+	}
+
+	/* time out */
+	cmn_err(CE_WARN, "!%s: failed to reset: timeout", dp->name);
+	return (USB_FAILURE);
+
+usberr:
+	cmn_err(CE_NOTE, "!%s: %s: usberr detected", dp->name, __func__);
+	return (USB_FAILURE);
+}
+
+/*
+ * Setup an986/adm8511/adm8513/adm8515
+ */
+static int
+upf_init_chip(struct usbgem_dev *dp)
+{
+	uint64_t	zero64 = 0;
+	int	err = USB_SUCCESS;
+	struct upf_dev	*lp = dp->private;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/* ethernet control register 0 */
+	lp->ec[0] |= EC0_RXSA | EC0_RXCS;
+	OUTB(dp, EC0, lp->ec[0], &err, usberr);
+
+	/* ethernet control reg1: will be set later in set_rx_filter() */
+
+	/* ethernet control register 2: will be set later in set_rx_filter() */
+	INB(dp, EC2, &lp->ec[2], &err, usberr);
+	lp->ec[2] |= EC2_RXBP | EC2_EP3RC;
+#ifdef CONFIG_VLAN
+	if (dp->misc_flag & USBGEM_VLAN) {
+		lp->ec[2] |= EC2_MEPL;
+	}
+#endif
+	OUTB(dp, EC2, lp->ec[2], &err, usberr);
+
+	/* Multicast address hash: clear */
+	OUTS(dp, MA, &zero64, 8, &err, usberr);
+
+	/* Ethernet ID : will be set later in upf_set_rx_filter() */
+
+	/* PAUSE timer */
+	OUTB(dp, PAUSETIMER, 0x1f, &err, usberr);
+
+	/* receive packet number based pause control:set in upf_set_media() */
+
+	/* occupied receive FIFO based pause control:set in upf_set_media() */
+
+	/* EP1 control: default */
+
+	/* Rx FIFO control */
+	if (lp->chip_type != CHIP_AN986) {
+		/* use 24K internal sram, 16pkts in fifo */
+		OUTB(dp, RXFC, 0, &err, usberr);
+	}
+
+	/* BIST contror: do nothing */
+	err = upf_set_media(dp);
+	CHECK_AND_JUMP(err, usberr);
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: end (success)", dp->name, __func__));
+	return (USB_SUCCESS);
+
+usberr:
+	cmn_err(CE_NOTE, "!%s: %s: usberr(%d) detected",
+	    dp->name, __func__, err);
+	return (err);
+}
+
+static int
+upf_start_chip(struct usbgem_dev *dp)
+{
+	int	err = USB_SUCCESS;
+	struct upf_dev	*lp = dp->private;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/* enable RX and TX */
+	lp->ec[0] |= EC0_TXE | EC0_RXE;
+	OUTB(dp, EC0, lp->ec[0], &err, usberr);
+	return (USB_SUCCESS);
+
+usberr:
+	cmn_err(CE_WARN, "!%s: %s: usberr(%d) detected",
+	    dp->name, __func__, err);
+	return (err);
+}
+
+static int
+upf_stop_chip(struct usbgem_dev *dp)
+{
+	int	err;
+	struct upf_dev	*lp = dp->private;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/* disable RX and TX */
+	lp->ec[0] &= ~(EC0_TXE | EC0_RXE);
+	OUTB(dp, EC0, lp->ec[0], &err, usberr);
+
+	return (USB_SUCCESS);
+
+usberr:
+	cmn_err(CE_WARN, "!%s: %s: usberr(%d) detected",
+	    dp->name, __func__, err);
+	return (err);
+}
+
+static int
+upf_get_stats(struct usbgem_dev *dp)
+{
+	/* do nothing */
+	return (USB_SUCCESS);
+}
+
+static uint_t
+upf_mcast_hash(struct usbgem_dev *dp, const uint8_t *addr)
+{
+	/* hash table is 64 = 2^6 bit width */
+	return (usbgem_ether_crc_le(addr) & 0x3f);
+}
+
+static int
+upf_set_rx_filter(struct usbgem_dev *dp)
+{
+	int		i;
+	int		err;
+#ifdef DEBUG_LEVEL
+	uint8_t		reg0;
+	uint8_t		reg1;
+	uint8_t		reg2;
+#endif
+	struct upf_dev	*lp = dp->private;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called, rxmode:%b",
+	    dp->name, __func__, dp->rxmode, RXMODE_BITS));
+
+	/* reset rx mode */
+	lp->ec[0] &= ~EC0_RXMA;
+	lp->ec[2] &= ~EC2_PROM;
+
+	if (dp->rxmode & RXMODE_PROMISC) {
+		/* promiscious mode implies all multicast and all physical */
+		lp->ec[0] |= EC0_RXMA;
+		lp->ec[2] |= EC2_PROM;
+	} else if ((dp->rxmode & RXMODE_ALLMULTI) || dp->mc_count > 0) {
+		/* XXX - multicast hash table didin't work */
+		/* accept all multicast packets */
+		lp->ec[0] |= EC0_RXMA;
+	}
+
+	if (bcmp(dp->cur_addr.ether_addr_octet,
+	    lp->mac_addr, ETHERADDRL) != 0) {
+
+		/* need to update mac address */
+		bcopy(dp->cur_addr.ether_addr_octet,
+		    lp->mac_addr, ETHERADDRL);
+		OUTS(dp, EID,
+		    lp->mac_addr, ETHERADDRL, &err, usberr);
+	}
+
+	/* update rx mode */
+	OUTS(dp, EC0, lp->ec, 3, &err, usberr);
+
+#if DEBUG_LEVEL > 0
+	INB(dp, EC0, &reg0, &err, usberr);
+	INB(dp, EC1, &reg1, &err, usberr);
+	INB(dp, EC2, &reg2, &err, usberr);
+
+	cmn_err(CE_CONT, "!%s: %s: returned, ec:%b %b %b",
+	    dp->name, __func__,
+	    reg0, EC0_BITS, reg1, EC1_BITS, reg2, EC2_BITS);
+#endif
+	return (USB_SUCCESS);
+
+usberr:
+	cmn_err(CE_NOTE, "!%s: %s: usberr detected", dp->name, __func__);
+	return (err);
+}
+
+static int
+upf_set_media(struct usbgem_dev *dp)
+{
+	int	err;
+	struct upf_dev	*lp = dp->private;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	lp->ec[1] &= ~(EC1_FD | EC1_100M);
+
+	/* select duplex */
+	if (dp->full_duplex) {
+		lp->ec[1] |= EC1_FD;
+	}
+
+	/* select speed */
+	if (dp->speed == USBGEM_SPD_100) {
+		lp->ec[1] |= EC1_100M;
+	}
+
+	/* rx flow control */
+	switch (dp->flow_control) {
+	case FLOW_CONTROL_SYMMETRIC:
+	case FLOW_CONTROL_RX_PAUSE:
+		lp->ec[0] |= EC0_RXFCE;
+		break;
+
+	default:
+		lp->ec[0] &= ~EC0_RXFCE;
+		break;
+	}
+
+	/* tx flow control */
+	switch (dp->flow_control) {
+	case FLOW_CONTROL_SYMMETRIC:
+	case FLOW_CONTROL_TX_PAUSE:
+		if (lp->chip_type != CHIP_AN986) {
+			/* pegasus II has internal 24k fifo */
+			OUTB(dp, ORFBFC,
+			    (12 << ORFBFC_RXS_SHIFT) |  ORFBFC_FCRXS,
+			    &err, usberr);
+
+			/* 16 packts can be stored in rx fifo */
+			OUTB(dp, RPNBFC_PN,
+			    (8 << RPNBFC_PN_SHIFT) |  RPNBFC_FCP,
+			    &err, usberr);
+		} else {
+			/* an986 has external 32k fifo */
+			OUTB(dp, ORFBFC,
+			    (16 << ORFBFC_RXS_SHIFT) |  ORFBFC_FCRXS,
+			    &err, usberr);
+
+			/* AN986 fails to link up when RPNBFC is enabled */
+			OUTB(dp, RPNBFC, 0, &err, usberr);
+		}
+		break;
+
+	default:
+		OUTB(dp, ORFBFC, 0, &err, usberr);
+		OUTB(dp, RPNBFC, 0, &err, usberr);
+		break;
+	}
+
+	/* update ether control registers */
+	OUTS(dp, EC0, lp->ec, 2, &err, usberr);
+	DPRINTF(0, (CE_CONT, "!%s: %s: returned, ec0:%b, ec1:%b",
+	    dp->name, __func__, lp->ec[0], EC0_BITS, lp->ec[1], EC1_BITS));
+
+	return (USB_SUCCESS);
+
+usberr:
+	cmn_err(CE_WARN, "%s: %s: failed to write ec1", dp->name, __func__);
+	return (err);
+}
+
+/*
+ * send/receive packet check
+ */
+static mblk_t *
+upf_tx_make_packet(struct usbgem_dev *dp, mblk_t *mp)
+{
+	size_t		len;
+	mblk_t		*new;
+	mblk_t		*tp;
+	uint8_t		*bp;
+	uint8_t		*last_pos;
+	int		msglen;
+
+	DPRINTF(3, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	len = msgdsize(mp);
+	if (len < ETHERMIN) {
+		len = ETHERMIN;
+	}
+
+	/* allocate msg block */
+	msglen = len + sizeof (uint16_t);
+
+	/* avoid usb controller bug */
+	if ((msglen & 0x3f) == 0) {
+		/* add a header for additional 0-length usb message */
+		msglen += sizeof (uint16_t);
+	}
+
+	if ((new = allocb(msglen, 0)) == NULL) {
+		return (NULL);
+	}
+
+	/* copy contents of the buffer */
+	new->b_wptr = new->b_rptr + msglen;
+	bp = new->b_rptr;
+
+	/* the nic requires a two byte header of the packet size */
+	bp[0] = (uint8_t)len;
+	bp[1] = (uint8_t)(len >> 8);
+	bp += sizeof (uint16_t);
+
+	/* copy the payload */
+	for (tp = mp; tp; tp = tp->b_cont) {
+		len = tp->b_wptr - tp->b_rptr;
+		if (len > 0) {
+			bcopy(tp->b_rptr, bp, len);
+			bp += len;
+		}
+	}
+
+	/* clear ethernet pads and additional usb header if we have */
+	last_pos = new->b_wptr;
+	while (bp < last_pos) {
+		*bp++ = 0;
+	}
+
+	return (new);
+}
+
+static void
+upf_dump_packet(struct usbgem_dev *dp, uint8_t *bp, int n)
+{
+	int	i;
+
+	for (i = 0; i < n; i += 8, bp += 8) {
+		cmn_err(CE_CONT, "%02x %02x %02x %02x %02x %02x %02x %02x",
+		    bp[0], bp[1], bp[2], bp[3], bp[4], bp[5], bp[6], bp[7]);
+	}
+}
+
+static mblk_t *
+upf_rx_make_packet(struct usbgem_dev *dp, mblk_t *mp)
+{
+	uint8_t		*p;
+	uint16_t	rxhd;
+	uint_t		len;
+	uint8_t		rsr;
+	struct upf_dev	*lp = dp->private;
+
+	ASSERT(mp != NULL);
+
+#ifdef DEBUG_LEVEL
+	len = msgdsize(mp);
+	DPRINTF(2, (CE_CONT, "!%s: time:%d %s: cont:%p",
+	    dp->name, ddi_get_lbolt(), __func__, len, mp->b_cont));
+
+	if (upf_debug > 3) {
+		upf_dump_packet(dp, mp->b_rptr, max(6, len));
+	}
+#endif
+	/* get the length of Rx packet */
+	p = mp->b_wptr - 4;
+	rsr = p[3];
+	if (lp->chip_type == CHIP_ADM8513) {
+		/* As Rx packets from ADM8513 have two byte header, remove it */
+		p = mp->b_rptr;
+		len = ((p[1] << 8) | p[0]) & 0x0fff;
+		mp->b_rptr += 2;
+	} else {
+		len = (((p[1] << 8) | p[0]) & 0x0fff) - ETHERFCSL - 4;
+	}
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: rsr:%b len:%d",
+	    dp->name, __func__, rsr, RSR_BITS, len));
+
+	/* check if error happen */
+	if (rsr & RSR_ERRORS) {
+		DPRINTF(0, (CE_CONT, "!%s: rsr:%b", dp->name, rsr, RSR_BITS));
+		if (rsr & (RSR_CRC | RSR_DRIBBLE)) {
+			dp->stats.frame++;
+		}
+		if (rsr & RSR_LONG) {
+			dp->stats.frame_too_long++;
+		}
+		if (rsr & RSR_RUNT) {
+			dp->stats.runt++;
+		}
+
+		dp->stats.errrcv++;
+		return (NULL);
+	}
+#ifndef CONFIG_VLAN
+	/* check packet size */
+	if (len > ETHERMAX) {
+		/* too long */
+		dp->stats.frame_too_long++;
+		dp->stats.errrcv++;
+		return (NULL);
+	} else if (len < ETHERMIN) {
+		dp->stats.runt++;
+		dp->stats.errrcv++;
+		return (NULL);
+	}
+#endif
+	/* remove tailing crc and rx status fields */
+	mp->b_wptr = mp->b_rptr + len;
+	ASSERT(mp->b_next == NULL);
+	return (mp);
+}
+
+/*
+ * Device depend interrupt handler
+ */
+static void
+upf_interrupt(struct usbgem_dev *dp, mblk_t *mp)
+{
+	uint8_t	*bp;
+	struct upf_dev	*lp = dp->private;
+
+	bp = mp->b_rptr;
+
+	DPRINTF(2, (CE_CONT,
+	    "!%s: %s: size:%d, %02x %02x %02x %02x %02x %02x %02x %02x",
+	    dp->name, __func__, mp->b_wptr - mp->b_rptr,
+	    bp[0], bp[1], bp[2], bp[3], bp[4], bp[5], bp[6], bp[7]));
+
+	if ((lp->last_link_state ^ bp[5]) & 1) {
+		DPRINTF(1, (CE_CONT, "!%s:%s link status changed:",
+		    dp->name, __func__));
+		usbgem_mii_update_link(dp);
+	}
+
+	lp->last_link_state = bp[5] & 1;
+}
+
+/*
+ * MII Interfaces
+ */
+static uint16_t
+upf_mii_read(struct usbgem_dev *dp, uint_t index, int *errp)
+{
+	uint8_t		phyctrl;
+	uint16_t	val;
+	int		i;
+
+	DPRINTF(4, (CE_CONT, "!%s: %s: called, ix:%d",
+	    dp->name, __func__, index));
+	ASSERT(index >= 0 && index < 32);
+
+	*errp = USB_SUCCESS;
+
+	/* set PHYADDR */
+	OUTB(dp, PHYA, dp->mii_phy_addr, errp, usberr);
+
+	/* Initiate MII read transaction */
+	OUTB(dp, PHYAC, index | PHYAC_RDPHY, errp, usberr);
+
+	for (i = 0; i < 100; i++) {
+		INB(dp, PHYAC, &phyctrl, errp, usberr);
+		if (phyctrl & PHYAC_DO) {
+			/* done */
+			INW(dp, PHYD, &val, errp, usberr);
+			DPRINTF(4, (CE_CONT, "!%s: %s: return %04x",
+			    dp->name, __func__, val));
+			return (val);
+		}
+		drv_usecwait(10);
+	}
+	/* timeout */
+	cmn_err(CE_WARN, "!%s: %s: timeout detected", dp->name, __func__);
+	*errp = USB_FAILURE;
+	return (0);
+
+usberr:
+	cmn_err(CE_CONT,
+	    "!%s: %s: usberr(%d) detected", dp->name, __func__, *errp);
+	return (0);
+}
+
+static void
+upf_mii_write(struct usbgem_dev *dp, uint_t index, uint16_t val, int *errp)
+{
+	int		i;
+	uint8_t		phyctrl;
+
+	DPRINTF(4, (CE_CONT, "!%s: %s called index:%d val:0x%04x",
+	    dp->name, __func__, index, val));
+	ASSERT(index >= 0 && index < 32);
+
+	*errp = USB_SUCCESS;
+
+	OUTW(dp, PHYD, val, errp, usberr);
+	OUTB(dp, PHYA, dp->mii_phy_addr, errp, usberr);
+	OUTB(dp, PHYAC, index | PHYAC_WRPHY, errp, usberr);
+
+	for (i = 0; i < 100; i++) {
+		INB(dp, PHYAC, &phyctrl, errp, usberr);
+		if (phyctrl & PHYAC_DO) {
+			/* done */
+			return;
+		}
+		drv_usecwait(10);
+	}
+
+	/* time out */
+	cmn_err(CE_WARN, "!%s: %s: timeout detected", dp->name, __func__);
+	*errp = USB_FAILURE;
+	return;
+
+usberr:
+	cmn_err(CE_CONT,
+	    "!%s: %s: usberr(%d) detected", dp->name, __func__, *errp);
+}
+
+
+static int
+upf_enable_phy(struct usbgem_dev *dp)
+{
+	uint8_t	val;
+	int	err;
+	struct upf_dev	*lp = dp->private;
+
+	/*
+	 * first, try to enable internal phy
+	 */
+	INB(dp, IPHYC, &val, &err, usberr);
+	val = (val | IPHYC_EPHY) & ~IPHYC_PHYR;
+	OUTB(dp, IPHYC, val, &err, usberr);
+
+	INB(dp, IPHYC, &val, &err, usberr);
+	DPRINTF(0, (CE_CONT, "!%s: %s: IPHYC: %b",
+	    dp->name, __func__, val, IPHYC_BITS));
+	if (val) {
+		/* reset internal phy */
+		OUTB(dp, IPHYC, val | IPHYC_PHYR, &err, usberr);
+		OUTB(dp, IPHYC, val, &err, usberr);
+		delay(drv_usectohz(10000));
+
+		/* identify the chip generation */
+		OUTB(dp, 0x83, 0xa5, &err, usberr);
+		INB(dp, 0x83, &val, &err, usberr);
+		if (val == 0xa5) {
+			lp->chip_type = CHIP_ADM8513;
+		} else {
+			/* adm8511 or adm8515 */
+			lp->chip_type = CHIP_ADM8511;
+		}
+		dp->ugc.usbgc_mii_hw_link_detection = B_TRUE;
+	} else {
+		/*
+		 * It should be AN986 which doesn't have an internal PHY.
+		 * We need to setup gpio ports in AN986, which are
+		 * connected to external PHY control pins.
+		 */
+		lp->chip_type = CHIP_AN986;
+
+		/* reset external phy */
+		/* output port#0 L, port#1 L */
+		OUTB(dp, GPIO10, GPIO10_0O | GPIO10_0OE, &err, usberr);
+
+		/* output port#0 H, port#1 L */
+		OUTB(dp, GPIO10,
+		    GPIO10_0O | GPIO10_0OE | GPIO10_1OE, &err, usberr);
+
+		/* hw link detection doesn't work correctly */
+		dp->ugc.usbgc_mii_hw_link_detection = B_FALSE;
+	}
+
+	return (USB_SUCCESS);
+
+usberr:
+	cmn_err(CE_NOTE, "!%s: %s: usberr detected", dp->name, __func__);
+	return (USB_FAILURE);
+}
+
+static int
+upf_mii_probe(struct usbgem_dev *dp)
+{
+	int	err;
+	uint16_t	val;
+	struct upf_dev	*lp = dp->private;
+
+	if (!lp->phy_init_done) {
+		upf_enable_phy(dp);
+		lp->phy_init_done = B_TRUE;
+	}
+
+	return (usbgem_mii_probe_default(dp));
+}
+
+static int
+upf_mii_init(struct usbgem_dev *dp)
+{
+	uint16_t	val;
+	int		err = USB_SUCCESS;
+	struct upf_dev	*lp = dp->private;
+
+	if (!lp->phy_init_done) {
+		upf_enable_phy(dp);
+	}
+	lp->phy_init_done = B_FALSE;
+
+	if (lp->chip_type == CHIP_AN986 &&
+	    (lp->vid == 0x0db7 /* elecom */ ||
+	    lp->vid == 0x066b /* linksys */ ||
+	    lp->vid == 0x077b /* linksys */ ||
+	    lp->vid == 0x2001 /* dlink */)) {
+		/* special treatment for Linksys products */
+		val = upf_mii_read(dp, 0x1b, &err) | 0x4;
+		upf_mii_write(dp, 0x1b, val, &err);
+	}
+	return (err);
+}
+
+/* ======================================================== */
+/*
+ * OS depend (device driver DKI) routine
+ */
+/* ======================================================== */
+static uint16_t
+upf_read_eeprom(struct usbgem_dev *dp, int index, int *errp)
+{
+	int		i;
+	uint8_t		eectrl;
+	uint16_t	data;
+
+	*errp = USB_SUCCESS;
+
+	OUTB(dp, EECTRL, 0, errp, usberr);
+
+	OUTB(dp, EEOFFSET, index, errp, usberr);
+	OUTB(dp, EECTRL, EECTRL_RD, errp, usberr);
+
+	for (i = 0; i < 100; i++) {
+		INB(dp, EECTRL, &eectrl, errp, usberr);
+		if (eectrl & EECTRL_DONE) {
+			INW(dp, EEDATA, &data, errp, usberr);
+			return (data);
+		}
+		drv_usecwait(10);
+	}
+
+	/* time out */
+	*errp = USB_FAILURE;
+	return (0);
+
+usberr:
+	cmn_err(CE_CONT,
+	    "!%s: %s: usberr(%d) detected", dp->name, __func__, *errp);
+	return (0);
+}
+
+static void
+upf_eeprom_dump(struct usbgem_dev *dp, int size)
+{
+	int	i;
+	int	err;
+
+	cmn_err(CE_CONT, "!%s: %s dump:", dp->name, __func__);
+
+	for (i = 0; i < size; i += 4) {
+		cmn_err(CE_CONT, "!0x%02x: 0x%04x 0x%04x 0x%04x 0x%04x",
+		    i*2,
+		    upf_read_eeprom(dp, i + 0, &err),
+		    upf_read_eeprom(dp, i + 1, &err),
+		    upf_read_eeprom(dp, i + 2, &err),
+		    upf_read_eeprom(dp, i + 3, &err));
+	}
+}
+
+static int
+upf_attach_chip(struct usbgem_dev *dp)
+{
+	int		i;
+	int		err;
+	uint16_t	val;
+	uint8_t		*mac;
+	struct upf_dev	*lp = dp->private;
+
+	/*
+	 * Read mac address from EEPROM
+	 */
+	mac = dp->dev_addr.ether_addr_octet;
+	for (i = 0; i < 3; i++) {
+		val = upf_read_eeprom(dp, i, &err);
+		if (err != USB_SUCCESS) {
+			goto usberr;
+		}
+		mac[i*2+0] = (uint8_t)val;
+		mac[i*2+1] = (uint8_t)(val >> 8);
+	}
+
+	DPRINTF(0, (CE_CONT,
+	    "%s: %s: mac: %02x:%02x:%02x:%02x:%02x:%02x",
+	    dp->name, __func__,
+	    mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]));
+
+	dp->misc_flag = 0;
+#ifdef CONFIG_VLAN
+	dp->misc_flag |= USBGEM_VLAN;
+#endif
+#if DEBUG_LEVEL > 3
+	upf_eeprom_dump(dp, 0x80);
+#endif
+	return (USB_SUCCESS);
+
+usberr:
+	cmn_err(CE_WARN, "!%s: %s: usb error detected", dp->name, __func__);
+	return (USB_FAILURE);
+}
+
+static int
+upfattach(dev_info_t *dip, ddi_attach_cmd_t cmd)
+{
+	int			i;
+	ddi_iblock_cookie_t	c;
+	int			ret;
+	int			unit;
+	uint32_t		tcr;
+	int			len;
+	const char		*drv_name;
+	struct usbgem_dev	*dp;
+	void			*base;
+	struct usbgem_conf	*ugcp;
+	struct upf_dev		*lp;
+
+	unit = ddi_get_instance(dip);
+	drv_name = ddi_driver_name(dip);
+
+	DPRINTF(3, (CE_CONT, "!%s%d: %s: called, cmd:%d",
+	    drv_name, unit, __func__, cmd));
+
+	if (cmd == DDI_ATTACH) {
+		/*
+		 * construct usbgem configration
+		 */
+		ugcp = kmem_zalloc(sizeof (*ugcp), KM_SLEEP);
+
+		/* name */
+		sprintf(ugcp->usbgc_name, "%s%d", drv_name, unit);
+		ugcp->usbgc_ppa = unit;
+
+		ugcp->usbgc_ifnum = 0;
+		ugcp->usbgc_alt = 0;
+
+		ugcp->usbgc_tx_list_max = 16;
+
+		ugcp->usbgc_rx_header_len = 4;
+		ugcp->usbgc_rx_list_max = 64;
+
+		/* time out parameters */
+		ugcp->usbgc_tx_timeout = USBGEM_TX_TIMEOUT;
+		ugcp->usbgc_tx_timeout_interval = USBGEM_TX_TIMEOUT_INTERVAL;
+
+		/* flow control */
+		ugcp->usbgc_flow_control = FLOW_CONTROL_NONE;
+		ugcp->usbgc_flow_control = FLOW_CONTROL_RX_PAUSE;
+
+		/* MII timeout parameters */
+		ugcp->usbgc_mii_link_watch_interval = ONESEC;
+		ugcp->usbgc_mii_an_watch_interval = ONESEC/5;
+		ugcp->usbgc_mii_reset_timeout = MII_RESET_TIMEOUT; /* 1 sec */
+		ugcp->usbgc_mii_an_timeout = MII_AN_TIMEOUT;	/* 5 sec */
+		ugcp->usbgc_mii_an_wait = MII_AN_TIMEOUT/2;
+		ugcp->usbgc_mii_linkdown_timeout = MII_LINKDOWN_TIMEOUT;
+		ugcp->usbgc_mii_an_delay = ONESEC/10;
+
+		ugcp->usbgc_mii_linkdown_action = MII_ACTION_RESET;
+		ugcp->usbgc_mii_linkdown_timeout_action = MII_ACTION_RESET;
+		ugcp->usbgc_mii_dont_reset = B_FALSE;
+
+		/* I/O methods */
+
+		/* mac operation */
+		ugcp->usbgc_attach_chip = &upf_attach_chip;
+		ugcp->usbgc_reset_chip = &upf_reset_chip;
+		ugcp->usbgc_init_chip = &upf_init_chip;
+		ugcp->usbgc_start_chip = &upf_start_chip;
+		ugcp->usbgc_stop_chip = &upf_stop_chip;
+		ugcp->usbgc_multicast_hash = &upf_mcast_hash;
+
+		ugcp->usbgc_set_rx_filter = &upf_set_rx_filter;
+		ugcp->usbgc_set_media = &upf_set_media;
+		ugcp->usbgc_get_stats = &upf_get_stats;
+		ugcp->usbgc_interrupt = &upf_interrupt;
+
+		/* packet operation */
+		ugcp->usbgc_tx_make_packet = &upf_tx_make_packet;
+		ugcp->usbgc_rx_make_packet = &upf_rx_make_packet;
+
+		/* mii operations */
+		ugcp->usbgc_mii_probe = &upf_mii_probe;
+		ugcp->usbgc_mii_init = &upf_mii_init;
+		ugcp->usbgc_mii_config = &usbgem_mii_config_default;
+		ugcp->usbgc_mii_read = &upf_mii_read;
+		ugcp->usbgc_mii_write = &upf_mii_write;
+
+		/* mtu */
+		ugcp->usbgc_min_mtu = ETHERMTU;
+		ugcp->usbgc_max_mtu = ETHERMTU;
+		ugcp->usbgc_default_mtu = ETHERMTU;
+
+		lp = kmem_zalloc(sizeof (struct upf_dev), KM_SLEEP);
+
+		lp->vid = ddi_prop_get_int(DDI_DEV_T_ANY, dip,
+		    DDI_PROP_DONTPASS, "usb-vendor-id", -1);
+		lp->pid = ddi_prop_get_int(DDI_DEV_T_ANY, dip,
+		    DDI_PROP_DONTPASS, "usb-product-id", -1);
+
+		dp = usbgem_do_attach(dip, ugcp, lp, sizeof (struct upf_dev));
+
+		kmem_free(ugcp, sizeof (*ugcp));
+
+		if (dp != NULL) {
+			return (DDI_SUCCESS);
+		}
+
+err_free_mem:
+		kmem_free(lp, sizeof (struct upf_dev));
+err_close_pipe:
+err:
+		return (DDI_FAILURE);
+	}
+	if (cmd == DDI_RESUME) {
+		dp = USBGEM_GET_DEV(dip);
+		lp = dp->private;
+		lp->phy_init_done = B_FALSE;
+
+		return (usbgem_resume(dip));
+	}
+	return (DDI_FAILURE);
+}
+
+static int
+upfdetach(dev_info_t *dip, ddi_detach_cmd_t cmd)
+{
+	int	ret;
+
+	if (cmd == DDI_DETACH) {
+		ret = usbgem_do_detach(dip);
+		if (ret != DDI_SUCCESS) {
+			return (DDI_FAILURE);
+		}
+		return (DDI_SUCCESS);
+	}
+	if (cmd == DDI_SUSPEND) {
+		return (usbgem_suspend(dip));
+	}
+	return (DDI_FAILURE);
+}
+
+/* ======================================================== */
+/*
+ * OS depend (loadable streams driver) routine
+ */
+/* ======================================================== */
+#ifdef USBGEM_CONFIG_GLDv3
+USBGEM_STREAM_OPS(upf_ops, upfattach, upfdetach);
+#else
+static	struct module_info upfminfo = {
+	0,			/* mi_idnum */
+	"upf",			/* mi_idname */
+	0,			/* mi_minpsz */
+	ETHERMTU,		/* mi_maxpsz */
+	32*1024,		/* mi_hiwat */
+	1,			/* mi_lowat */
+};
+
+static	struct qinit upfrinit = {
+	(int (*)()) NULL,	/* qi_putp */
+	usbgem_rsrv,		/* qi_srvp */
+	usbgem_open,		/* qi_qopen */
+	usbgem_close,		/* qi_qclose */
+	(int (*)()) NULL,	/* qi_qadmin */
+	&upfminfo,		/* qi_minfo */
+	NULL			/* qi_mstat */
+};
+
+static	struct qinit upfwinit = {
+	usbgem_wput,		/* qi_putp */
+	usbgem_wsrv,		/* qi_srvp */
+	(int (*)()) NULL,	/* qi_qopen */
+	(int (*)()) NULL,	/* qi_qclose */
+	(int (*)()) NULL,	/* qi_qadmin */
+	&upfminfo,		/* qi_minfo */
+	NULL			/* qi_mstat */
+};
+
+static struct streamtab	upf_info = {
+	&upfrinit,	/* st_rdinit */
+	&upfwinit,	/* st_wrinit */
+	NULL,		/* st_muxrinit */
+	NULL		/* st_muxwrinit */
+};
+
+static	struct cb_ops cb_upf_ops = {
+	nulldev,	/* cb_open */
+	nulldev,	/* cb_close */
+	nodev,		/* cb_strategy */
+	nodev,		/* cb_print */
+	nodev,		/* cb_dump */
+	nodev,		/* cb_read */
+	nodev,		/* cb_write */
+	nodev,		/* cb_ioctl */
+	nodev,		/* cb_devmap */
+	nodev,		/* cb_mmap */
+	nodev,		/* cb_segmap */
+	nochpoll,	/* cb_chpoll */
+	ddi_prop_op,	/* cb_prop_op */
+	&upf_info,	/* cb_stream */
+	D_MP		/* cb_flag */
+};
+
+static	struct dev_ops upf_ops = {
+	DEVO_REV,	/* devo_rev */
+	0,		/* devo_refcnt */
+	usbgem_getinfo,	/* devo_getinfo */
+	nulldev,	/* devo_identify */
+	nulldev,	/* devo_probe */
+	upfattach,	/* devo_attach */
+	upfdetach,	/* devo_detach */
+	nodev,		/* devo_reset */
+	&cb_upf_ops,	/* devo_cb_ops */
+	NULL,		/* devo_bus_ops */
+	usbgem_power,	/* devo_power */
+#if DEVO_REV >= 4
+	usbgem_quiesce,	/* devo_quiesce */
+#endif
+
+};
+#endif
+static struct modldrv modldrv = {
+	&mod_driverops,	/* Type of module.  This one is a driver */
+	ident,
+	&upf_ops,	/* driver ops */
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1, &modldrv, NULL
+};
+
+/* ======================================================== */
+/*
+ * _init : done
+ */
+/* ======================================================== */
+int
+_init(void)
+{
+	int 	status;
+
+	DPRINTF(2, (CE_CONT, "!upf: _init: called"));
+
+	status = usbgem_mod_init(&upf_ops, "upf");
+	if (status != DDI_SUCCESS) {
+		return (status);
+	}
+	status = mod_install(&modlinkage);
+	if (status != DDI_SUCCESS) {
+		usbgem_mod_fini(&upf_ops);
+	}
+	return (status);
+}
+
+/*
+ * _fini : done
+ */
+int
+_fini(void)
+{
+	int	status;
+
+	DPRINTF(2, (CE_CONT, "!upf: _fini: called"));
+	status = mod_remove(&modlinkage);
+	if (status == DDI_SUCCESS) {
+		usbgem_mod_fini(&upf_ops);
+	}
+	return (status);
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
diff --git a/usr/src/uts/common/io/urf/rtl8150reg.h b/usr/src/uts/common/io/urf/rtl8150reg.h
new file mode 100644
index 0000000000..7cba53356e
--- /dev/null
+++ b/usr/src/uts/common/io/urf/rtl8150reg.h
@@ -0,0 +1,218 @@
+/*
+ * @(#)rtl8150reg.h	1.1 04/09/16
+ * Macro definitions for Realtek 8150 USB to fast ethernet controller
+ * based on Realtek RTL8150 data sheet
+ * This file is public domain. Coded by M.Murayama (KHF04453@nifty.com)
+ */
+
+/*
+ * Register offset
+ */
+#define	IDR	0x0120	/* Base of ID registers */
+#define	MAR	0x0126	/* Base of multicast registers */
+#define	CR	0x012e	/* Command register */
+#define	TCR	0x012f	/* Transmit Configuration register */
+#define	RCR	0x0130	/* Receive Configuration register */
+#define	TSR	0x0132	/* Transmit Status register */
+#define	RSR	0x0133	/* Receive Status register */
+#define	CON0	0x0135	/* Configuration register 0 */
+#define	CON1	0x0136	/* Configuration register 1 */
+#define	MSR	0x0137	/* Media Status register */
+#define	PHYADD	0x0138	/* PHY address register */
+#define	PHYDAT	0x0139	/* PHY data register */
+#define	PHYCNT	0x013b	/* PHY control register */
+#define	GPPC	0x013d	/* General purpose pin control */
+#define	WAKECNT	0x013e	/* Wake up event control */
+#define	BMCR	0x0140	/* Basic Mode Control register */
+#define	BMSR	0x0142	/* Basic Mode Status register */
+#define	ANAR	0x0144	/* Auto Negotiation Advertisement register */
+#define	ANLP	0x0146	/* Auto Negotiation Link Partner register */
+#define	ANER	0x0148	/* Auto Negotiation Expansion register */
+#define	NWAYT	0x014a	/* Nway test register */
+#define	CSCR	0x014c	/* CS configuration register */
+#define	CRC0	0x014e	/* Power management register for wakeup frame0 */
+#define	CRC1	0x0150	/* Power management register for wakeup frame1 */
+#define	CRC2	0x0152	/* Power management register for wakeup frame2 */
+#define	CRC3	0x0154	/* Power management register for wakeup frame3 */
+#define	CRC4	0x0156	/* Power management register for wakeup frame4 */
+#define	BYTEMASK0 0x0158	/* Power management wakeup frame0 bytemask */
+#define	BYTEMASK1 0x0160	/* Power management wakeup frame1 bytemask */
+#define	BYTEMASK2 0x0168	/* Power management wakeup frame2 bytemask */
+#define	BYTEMASK3 0x0170	/* Power management wakeup frame3 bytemask */
+#define	BYTEMASK4 0x0178	/* Power management wakeup frame4 bytemask */
+#define	PHY1	0x0180	/* PHY parameter 1 */
+#define	PHY2	0x0184	/* PHY parameter 2 */
+#define	TW1	0x0186	/* Twister parameter 1 */
+
+/*
+ * Bit field definitions
+ */
+/* CR : Command register (uint8_t) */
+#define	CR_WEPROM	0x20	/* EEPROM write enable */
+#define	CR_SOFT_RST	0x10	/* Reset */
+#define	CR_RE		0x08	/* Ethernet receive enable */
+#define	CR_TE		0x04	/* Ethernet transmit enable */
+#define	CR_EP3CLREN	0x02	/* clear performance counter after EP3 */
+#define	CR_AUTOLOAD	0x01	/* autoload contents of 93c46 */
+
+#define	CR_BITS	"\020\006WEPROM\005SOFT_RST\004RE\003TE\002EP3CLREN\001AUTOLOAD"
+
+/* TCR: Transmit Configuration register */
+#define	TCR_TXRR	0xc0	/* Tx retry count */
+#define	TCR_TXRR_SHIFT		6
+#define	TCR_IFG		0x18	/* Interframe Gap */
+#define	TCR_IFG_SHIFT		3
+#define	TCR_IFG_802_3		(3 << TCR_IFG_SHIFT)	/* 802.3 standard */
+#define	TCR_NOCRC	0x01	/* Inhibit Appending CRC */
+	
+#define	TCR_BITS	"\020\001NOCRC"
+
+/* Receive Configuration register */
+#define	RCR_TAIL	0x0080	/* Rx header forward to host in CRC field */
+#define	RCR_AER		0x0040	/* Accept Error packet */
+#define	RCR_AR		0x0020	/* Accept runt */
+#define	RCR_AM		0x0010	/* Accept multicast */
+#define	RCR_AB		0x0008	/* Accept broadcast */
+#define	RCR_AD		0x0004	/* Accept physical match */
+#define	RCR_AAM		0x0002	/* Accept all Multicast */
+#define	RCR_AAP		0x0001	/* Accept all physical */
+
+#define	RCR_ACCEPT_MODE		\
+	(RCR_AER | RCR_AR | RCR_AM | RCR_AB | RCR_AD | RCR_AAM | RCR_AAP)
+
+#define	RCR_BITS	\
+	"\020\010TAIL\007AER\006AR\005AM\004AB\003AD\002AAM\001AAP"
+
+/* Transmit Status register */
+
+#define	TSR_ECOL	0x20	/* excessive collision indication */
+#define	TSR_LCOL	0x10	/* late collision indication */
+#define	TSR_LOSS_CRS	0x08	/* lost of carrier indication */
+#define	TSR_JBR		0x04	/* jabber time out indication */
+#define	TSR_BUF_EMPTY	0x02	/* Tx buffer is empty */
+#define	TSR_BUF_FULL	0x01	/* Tx buffer is full */
+
+#define	TSR_BITS	\
+	"\020"		\
+	"\006ECOL"	\
+	"\005LCOL"	\
+	"\004LOSS_CRS"	\
+	"\003JBR"	\
+	"\002BUF_EMPTY"	\
+	"\001BUF_FULL"
+
+/* Receive status register in Rx packet field */
+#define	RSR_WEVENT	0x80	/* Wakeup event indication */
+#define	RSR_RX_BUF_FULL	0x40	/* Receive buffer full indication */
+#define	RSR_LKCHG	0x20	/* Link change indication */
+#define	RSR_RUNT	0x10	/* short packet indication */
+#define	RSR_LONG	0x08	/* Long packet indication*/
+#define	RSR_CRC		0x04	/* CRC error indication*/
+#define	RSR_FAE		0x02	/* Frame alignment error */
+#define	RSR_ROK		0x01	/* Receive OK indication */
+
+#define	RSR_ERRS	(RSR_RUNT | RSR_LONG | RSR_CRC | RSR_FAE)
+#define	RSR_BITS	\
+	"\020"		\
+	"\010WEVENT"	\
+	"\007RX_BUF_FULL"	\
+	"\006LKCHG"	\
+	"\005RUNT"	\
+	"\004LONG"	\
+	"\003CRC"	\
+	"\002FAE"	\
+	"\001ROK"
+
+/* Config 0 */
+
+#define	CON0_SUSLED	0x80
+#define	CON0_PARM_EN	0x40	/* parameter enable */
+#define	CON0_LDPS	0x08
+#define CON0_MSEL	0x04	/* media select 1:MII, 0:auto */
+#define CON0_LEDS	0x03	/* LED pattern */
+
+/* Config 1 */
+#define CON0_BWF	0x40	/* Broadcast wakeup function 1:on 0:off */
+#define CON0_MWF	0x20	/* Multicast wakeup function 1:on 0:off */
+#define CON0_UWF	0x10	/* Unicast wakeup function 1:on 0:off */
+#define CON0_LONGWF1	0x02	/* */
+#define CON0_LONGWF0	0x01	/* */
+
+
+/* MSR : Media Status register */
+#define	MSR_TXFCE	0x80	/* Tx Flow control enable */
+#define	MSR_RXFCE	0x40	/* Rx Flow control enable */
+#define	MSR_DUPLEX	0x10	/* full duplex */
+#define	MSR_SPEED_100	0x08	/* 100Mbps mode */
+#define	MSR_LINK	0x04	/* link status */
+#define	MSR_TXPF	0x02	/* 8150 sends pause packet */
+#define	MSR_RXPF	0x01	/* 8150 is in backoff state*/
+
+#define	MSR_BITS	\
+	"\020"		\
+	"\010TXFCE"	\
+	"\007RXFCE"	\
+	"\005DUPLEX"	\
+	"\004SPEED_100"	\
+	"\003LINK"	\
+	"\002TXPF"	\
+	"\001RXPF"
+
+/* MII PHY Address */
+#define	PHYADD_MASK	0x1f
+
+/* MII PHY Data */
+#define	PHYCNT_OWN	0x40	/* 8150 owns:1 not owns:0 */
+#define	PHYCNT_RWCR	0x20	/* write:1 read:0 */
+#define	PHYCNT_PHYOFF	0x1f
+
+/* BMCR (almost same with MII_CONTROL register) */
+#define	BMCR_RESET	0x8000	/* PHY reset */
+#define	BMCR_Spd_Set	0x2000	/* 100Mbps */
+#define	BMCR_ANE	0x1000	/* auto negotiation enable */
+#define	BMCR_RSA	0x0200	/* restart auto negotiation */
+#define	BMCR_duplex	0x0100	/* 100Mbps */
+
+/* Basic mode status register */
+/* Auto-negotiation Advertisement register */
+/* Auto-negotiation Link Partner Ability register */
+/* Auto-negotiation Expansion register */
+
+/* Nway test register */
+#define	NWAYT_NWLPBK	0x0080
+#define	NWAYT_ENNWLE	0x0008
+#define	NWAYT_FLAGABD	0x0004
+#define	NWAYT_FLAGPDF	0x0002
+#define	NWAYT_FLAGLSC	0x0001
+
+/* CS configuration register */
+#define	CS_TESTFUN	0x8000	/* */
+#define	CS_LD		0x0200	/* */
+#define	CS_HEARTBEAT	0x0100	/* */
+#define	CS_JBEN		0x0080	/* */
+#define	CS_F_LINK100	0x0040	/* */
+#define	CS_F_CONNECT	0x0020	/* */
+#define	CS_CON_STATUS	0x0008	/* */
+#define	CS_CON_STATUS_EN 0x0004	/* */
+#define	CS_PASS_SCR	0x0001	/* bypass scramble function */
+
+/*
+ * header format of rx packet
+ */
+#define	RXHD_MULT	0x8000	/* multicast packet */
+#define	RXHD_PHYS	0x4000	/* physical match packet */
+#define	RXHD_RUNT	0x2000	/* too short */
+#define	RXHD_VALID	0x1000	/* packet is ok */
+#define	RXHD_BYTECNT	0x0fff	/* rx byte count */
+
+#define	RXHD_BITS	\
+	"\020"		\
+	"\020MULT"	\
+	"\017PHYS"	\
+	"\016RUNT"	\
+	"\015VALID"
+/*
+ * Offset to EPROM contents
+ */
+#define	URF_EEPROM_BASE		0x1200
+#define	EPROM_EthernetID	0x0002
diff --git a/usr/src/uts/common/io/urf/urf_usbgem.c b/usr/src/uts/common/io/urf/urf_usbgem.c
new file mode 100644
index 0000000000..f61c8e3502
--- /dev/null
+++ b/usr/src/uts/common/io/urf/urf_usbgem.c
@@ -0,0 +1,1039 @@
+/*
+ * urf_usbgem.c : Realtek RTL8150 USB to Fast Ethernet Driver for Solaris
+ *
+ * Copyright (c) 2003-2012 Masayuki Murayama.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the author nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
+
+#pragma ident   "%W% %E%"
+
+/*
+ *  Changelog:
+ */
+
+/*
+ * TODO
+ */
+/* ======================================================= */
+
+/*
+ * Solaris system header files and macros
+ */
+
+/* minimum kernel headers for drivers */
+#include <sys/types.h>
+#include <sys/conf.h>
+#include <sys/debug.h>
+#include <sys/kmem.h>
+#include <sys/modctl.h>
+#include <sys/errno.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/byteorder.h>
+
+/* ethernet stuff */
+#include <sys/ethernet.h>
+
+/* interface card depend stuff */
+#include <sys/stropts.h>
+#include <sys/stream.h>
+#include <sys/strlog.h>
+#include <sys/usb/usba.h>
+#include "usbgem.h"
+#include "usbgem_mii.h"
+#include "rtl8150reg.h"
+
+char	ident[] = "rtl8150 usbnic driver v" VERSION;
+
+/*
+ * Useful macros
+ */
+#define	ROUNDUP2(x, y)	(((x)+(y)-1) & ~((y)-1))
+#define	CHECK_AND_JUMP(err, label)	if (err != USB_SUCCESS) goto label
+
+/*
+ * Debugging
+ */
+#ifdef DEBUG_LEVEL
+static int urf_debug = DEBUG_LEVEL;
+#define	DPRINTF(n, args)	if (urf_debug > (n)) cmn_err args
+#else
+#define	DPRINTF(n, args)
+#endif
+
+/*
+ * Our configration for rtl8150
+ */
+/* timeouts */
+#define	ONESEC			(drv_usectohz(1*1000000))
+
+/*
+ * Local device definitions
+ */
+struct chip_info {
+	int		flags;
+	char		*name;
+	int		type;
+};
+
+#define	CHIPTABLESIZE	(sizeof (chiptbl_8150) / sizeof (struct chip_info))
+
+struct urf_dev {
+	/*
+	 * Misc HW information
+	 */
+	struct chip_info	*chip;
+	uint8_t			cr;
+	uint8_t			tsr;
+	uint16_t		rcr;
+	uint8_t			txok_cnt;
+};
+
+/*
+ * private functions
+ */
+
+/* mii operations */
+static uint16_t  urf_mii_read(struct usbgem_dev *, uint_t, int *errp);
+static void urf_mii_write(struct usbgem_dev *, uint_t, uint16_t, int *errp);
+
+/* nic operations */
+static int urf_attach_chip(struct usbgem_dev *);
+static int urf_reset_chip(struct usbgem_dev *);
+static int urf_init_chip(struct usbgem_dev *);
+static int urf_start_chip(struct usbgem_dev *);
+static int urf_stop_chip(struct usbgem_dev *);
+static int urf_set_media(struct usbgem_dev *);
+static int urf_set_rx_filter(struct usbgem_dev *);
+static int urf_get_stats(struct usbgem_dev *);
+
+/* packet operations */
+static mblk_t *urf_tx_make_packet(struct usbgem_dev *, mblk_t *);
+static mblk_t *urf_rx_make_packet(struct usbgem_dev *, mblk_t *);
+
+/* =============================================================== */
+/*
+ * I/O functions
+ */
+/* =============================================================== */
+#define	OUTB(dp, p, v, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_out_val((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_HOST_TO_DEV	\
+		    | USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */ USB_REQ_SET_ADDRESS,	\
+	/* wValue */   (p),	\
+	/* wIndex */   0,	\
+	/* wLength */  1,	\
+	/* value */   (v))) != USB_SUCCESS) goto label
+
+#define	OUTW(dp, p, v, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_out_val((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_HOST_TO_DEV	\
+		    | USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */ USB_REQ_SET_ADDRESS,	\
+	/* wValue */   (p),	\
+	/* wIndex */   0,	\
+	/* wLength */  2,	\
+	/* value */   (v))) != USB_SUCCESS) goto label
+
+#define	OUTS(dp, p, buf, len, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_out((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_HOST_TO_DEV	\
+		    | USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */ USB_REQ_SET_ADDRESS,	\
+	/* wValue */   (p),	\
+	/* wIndex */   0,	\
+	/* wLength */  (len),	\
+	/* value */    (buf),	\
+	/* size */     (len))) != USB_SUCCESS) goto label
+
+#define	IN(dp, p, vp, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_in_val((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_DEV_TO_HOST	\
+		    | USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */ USB_REQ_SET_ADDRESS,	\
+	/* wValue */  (p),	\
+	/* wIndex */  0,	\
+	/* wLength */ sizeof ((*vp)),	\
+	/* valuep */  (vp))) != USB_SUCCESS) goto label
+
+#define	INS(dp, p, buf, len, errp, label)	\
+	if ((*(errp) = usbgem_ctrl_in((dp), 	\
+	/* bmRequestType */ USB_DEV_REQ_DEV_TO_HOST	\
+		    | USB_DEV_REQ_TYPE_VENDOR | USB_DEV_REQ_RCPT_DEV,	\
+	/* bRequest */ USB_REQ_SET_ADDRESS,	\
+	/* wValue */   (p),	\
+	/* wIndex */   0,	\
+	/* wLength */  (len),	\
+	/* valuep */  (buf),	\
+	/* size   */  (len))) != USB_SUCCESS) goto label
+
+/* =============================================================== */
+/*
+ * variables
+ */
+/* =============================================================== */
+static int urf_ppa = 0;
+
+/* =============================================================== */
+/*
+ * Hardware manupilation
+ */
+/* =============================================================== */
+static int
+urf_reset_chip(struct usbgem_dev *dp)
+{
+	int		i;
+	int		err;
+	uint8_t		reg;
+	struct urf_dev	*lp = dp->private;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	lp->cr = 0;
+	OUTB(dp, CR, lp->cr | CR_SOFT_RST, &err, usberr);
+
+	for (i = 0; i < 100; i++) {
+		IN(dp, CR, &reg, &err, usberr);
+		if ((reg & CR_SOFT_RST) == 0) {
+			return (USB_SUCCESS);
+		}
+	}
+	/* time out */
+	cmn_err(CE_WARN, "%s: failed to reset: timeout", dp->name);
+	return (USB_FAILURE);
+
+usberr:
+	cmn_err(CE_NOTE, "!%s: %s: usberr detected", dp->name, __func__);
+	return (USB_FAILURE);
+}
+
+/*
+ * Setup rtl8150
+ */
+static int
+urf_init_chip(struct usbgem_dev *dp)
+{
+	int		i;
+	uint32_t	val;
+	int		err;
+	struct urf_dev	*lp = dp->private;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/* ID registers: set later by urf_set_rx_filter */
+
+	/* Multicast registers: set later by urf_set_rx_filter */
+
+	/* Command register : Enable Tx and Rx before writing TCR and RCR */
+	lp->cr |= CR_RE | CR_TE;
+	OUTB(dp, CR, lp->cr, &err, usberr);
+
+	/* Transmit configration register : */
+	OUTB(dp, TCR, TCR_IFG_802_3, &err, usberr);
+
+	/* Receive configuration register :  disable rx filter */
+	lp->rcr = RCR_TAIL | RCR_AER | RCR_AR;
+	OUTW(dp, RCR, lp->rcr, &err, usberr);
+#ifdef notdef
+	/* Media status register */
+	err = urf_set_media(dp);
+	CHECK_AND_JUMP(err, usberr);
+#endif
+	/* Configuration register 0: no need to change */
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: end (success)", dp->name, __func__));
+	return (USB_SUCCESS);
+
+usberr:
+	cmn_err(CE_NOTE, "!%s: %s: usberr detected", dp->name, __func__);
+	return (USB_FAILURE);
+}
+
+static int
+urf_start_chip(struct usbgem_dev *dp)
+{
+	struct urf_dev	*lp = dp->private;
+
+	/* do nothing */
+	return (USB_SUCCESS);
+}
+
+static int
+urf_stop_chip(struct usbgem_dev *dp)
+{
+	return (urf_reset_chip(dp));
+}
+
+static int
+urf_get_stats(struct usbgem_dev *dp)
+{
+	/* do nothing */
+	return (USB_SUCCESS);
+}
+
+static uint_t
+urf_mcast_hash(struct usbgem_dev *dp, const uint8_t *addr)
+{
+	return (usbgem_ether_crc_be(addr));
+}
+
+static int
+urf_set_rx_filter(struct usbgem_dev *dp)
+{
+	int		i;
+	uint16_t	mode;
+	uint8_t		mhash[8];
+	int		err;
+	int16_t		rcr;
+	struct urf_dev	*lp = dp->private;
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: called, rxmode:%x",
+	    dp->name, __func__, dp->rxmode));
+
+	if (lp->rcr & (RCR_AB | RCR_AD | RCR_AAM | RCR_AAP | RCR_AM)) {
+#ifdef notdef
+		/* disable rx filter before changing it. */
+		lp->rcr &= ~(RCR_AB | RCR_AD | RCR_AAM | RCR_AAP | RCR_AM);
+		OUTW(dp, RCR, lp->rcr, &err, usberr);
+#else
+		/* receive all packets while we change rx filter*/
+		OUTW(dp, RCR, lp->rcr | RCR_AAM | RCR_AAP, &err, usberr);
+#endif
+	}
+
+	mode = RCR_AB	/* accept broadcast */
+	    | RCR_AD;	/* accept physical match  */
+	bzero(mhash, sizeof (mhash));
+
+	if (dp->rxmode & RXMODE_PROMISC) {
+		/* promiscious mode implies all multicast and all physical */
+		mode |= RCR_AAM | RCR_AAP;
+	} else if ((dp->rxmode & RXMODE_ALLMULTI) || dp->mc_count > 64/2) {
+		/* accept all multicast packets */
+		mode |= RCR_AAM;
+	} else if (dp->mc_count > 0) {
+		/*
+		 * make hash table to select interresting
+		 * multicast address only.
+		 */
+		mode |= RCR_AM;
+		for (i = 0; i < dp->mc_count; i++) {
+			uint_t	h;
+			/* hash table is 64 = 2^6 bit width */
+			h = dp->mc_list[i].hash >> (32 - 6);
+			mhash[h / 8] |= 1 << (h % 8);
+		}
+	}
+	lp->rcr |= mode;
+
+	/* set mac address */
+	OUTS(dp, IDR, dp->cur_addr.ether_addr_octet, ETHERADDRL, &err, usberr);
+
+	/* set multicast hash table */
+	if (mode & RCR_AM) {
+		/* need to set up multicast hash table */
+		OUTS(dp, MAR, mhash, sizeof (mhash), &err, usberr);
+	}
+
+	OUTW(dp, RCR, lp->rcr, &err, usberr);
+
+#if DEBUG_LEVEL > 2
+	IN(dp, RCR, &rcr, &err, usberr);
+	cmn_err(CE_CONT, "!%s: %s: rcr:%b returned",
+	    dp->name, __func__, rcr, RCR_BITS);
+#endif
+	return (USB_SUCCESS);
+
+usberr:
+	cmn_err(CE_NOTE, "!%s: %s: usberr detected", dp->name, __func__);
+	return (USB_FAILURE);
+}
+
+static int
+urf_set_media(struct usbgem_dev *dp)
+{
+	uint8_t		new;
+	uint8_t		old;
+	int		err;
+	struct urf_dev	*lp = dp->private;
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/* select duplex: do nothing */
+
+	/* select speed: do nothing */
+
+	/* flow control */
+	IN(dp, MSR, &old, &err, usberr);
+
+
+	/* setup flow control */
+	new = old & ~(MSR_TXFCE | MSR_RXFCE);
+	switch (dp->flow_control) {
+	case FLOW_CONTROL_SYMMETRIC:
+		new |= MSR_TXFCE | MSR_RXFCE;
+		break;
+
+	case FLOW_CONTROL_TX_PAUSE:
+		new |= MSR_TXFCE;
+		break;
+
+	case FLOW_CONTROL_RX_PAUSE:
+		new |= MSR_RXFCE;
+		break;
+
+	case FLOW_CONTROL_NONE:
+	default:
+		break;
+	}
+
+	if (new != old) {
+		OUTB(dp, MSR, new, &err, usberr);
+	}
+	DPRINTF(2, (CE_CONT, "!%s: %s: returned", dp->name, __func__));
+	return (USB_SUCCESS);
+
+usberr:
+	cmn_err(CE_NOTE, "!%s: %s: usberr detected", dp->name, __func__);
+	return (USB_FAILURE);
+}
+
+/*
+ * send/receive packet check
+ */
+static mblk_t *
+urf_tx_make_packet(struct usbgem_dev *dp, mblk_t *mp)
+{
+	size_t		len;
+	mblk_t		*new;
+	mblk_t		*tp;
+	uint8_t		*bp;
+	uint8_t		*last_pos;
+
+	len = msgdsize(mp);
+
+	if (len < ETHERMIN || mp->b_cont != NULL || (len & 0x3f) == 0) {
+		/*
+		 * re-allocate mp
+		 */
+		len = max(len, ETHERMIN);
+
+		if ((len & 0x3f) == 0) {
+			/* workaround for buggy USB hba */
+			len++;
+		}
+
+		if ((new = allocb(len, 0)) == NULL) {
+			return (NULL);
+		}
+
+		/* copy contents of the buffer */
+		new->b_wptr = new->b_rptr + len;
+		bp = new->b_rptr;
+		for (tp = mp; tp; tp = tp->b_cont) {
+			len = tp->b_wptr - tp->b_rptr;
+			bcopy(tp->b_rptr, bp, len);
+			bp += len;
+		}
+
+		last_pos = new->b_wptr;
+		while (bp < last_pos) {
+			*bp++ = 0;
+		}
+
+		mp = new;
+	}
+
+	return (mp);
+}
+
+static void
+urf_dump_packet(struct usbgem_dev *dp, uint8_t *bp, int n)
+{
+	int	i;
+
+	for (i = 0; i < n; i += 8, bp += 8) {
+		cmn_err(CE_CONT, "%02x %02x %02x %02x %02x %02x %02x %02x",
+		    bp[0], bp[1], bp[2], bp[3], bp[4], bp[5], bp[6], bp[7]);
+	}
+}
+
+static mblk_t *
+urf_rx_make_packet(struct usbgem_dev *dp, mblk_t *mp)
+{
+	uint8_t		*p;
+	uint16_t	rxhd;
+	uint_t		len;
+
+	ASSERT(mp != NULL);
+	len = msgdsize(mp);
+#ifdef DEBUG_LEVEL
+	DPRINTF(2, (CE_CONT, "!%s: time:%d %s: len:%d cont:%p",
+	    dp->name, ddi_get_lbolt(), __func__, len, mp->b_cont));
+
+	if (urf_debug > 2) {
+		urf_dump_packet(dp, mp->b_rptr, max(6, len));
+	}
+#endif
+	if (len < ETHERMIN + ETHERFCSL) {
+		/* Too short */
+		dp->stats.runt++;
+		dp->stats.errrcv++;
+		return (NULL);
+	}
+
+	/* get Rx header which is placed at tail of the packet. */
+	p = mp->b_wptr - 4;
+	rxhd = (p[1] << 8) | p[0];
+	len = rxhd & RXHD_BYTECNT;
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: rsr:%b len:%d",
+	    dp->name, __func__, rxhd, RXHD_BITS, len));
+
+	/* check if error happen */
+	if ((rxhd & (RXHD_VALID)) == 0) {
+		DPRINTF(-1, (CE_CONT, "!%s: %s: rxhd:%b",
+		    dp->name, __func__, rxhd, RXHD_BITS));
+		if (rxhd & RXHD_RUNT) {
+			dp->stats.runt++;
+		}
+
+		dp->stats.errrcv++;
+		return (NULL);
+	}
+#ifdef notdef
+	/* check packet size */
+	if (len > ETHERMAX + ETHERFCSL) {
+		/* too long */
+		dp->stats.frame_too_long++;
+		dp->stats.errrcv++;
+		return (NULL);
+	} else if (len < ETHERMIN + ETHERFCSL) {
+		dp->stats.runt++;
+		dp->stats.errrcv++;
+		return (NULL);
+	}
+#endif
+	/* remove tailing crc field */
+	mp->b_wptr -= ETHERFCSL;
+	return (mp);
+}
+
+/*
+ * MII Interfaces
+ */
+static uint16_t
+urf_mii_read(struct usbgem_dev *dp, uint_t index, int *errp)
+{
+	int		reg;
+	uint16_t	val;
+
+	DPRINTF(4, (CE_CONT, "!%s: %s: called, ix:%d",
+	    dp->name, __func__, index));
+
+	*errp = USB_SUCCESS;
+
+	switch (index) {
+	case MII_CONTROL:
+		reg = BMCR;
+		break;
+
+	case MII_STATUS:
+		reg = BMSR;
+		break;
+
+	case MII_AN_ADVERT:
+		reg = ANAR;
+		break;
+
+	case MII_AN_LPABLE:
+		reg = ANLP;
+		break;
+
+	case MII_AN_EXPANSION:
+		reg = ANER;
+		break;
+
+	default:
+		return (0);
+	}
+
+	IN(dp, reg, &val, errp, usberr);
+
+	if (index == MII_STATUS) {
+		uint8_t	msr;
+		/*
+		 * Fix MII status register as it does't have LINKUP and
+		 * MFPRMBLSUPR bits.
+		 */
+		IN(dp, MSR, &msr, errp, usberr);
+
+		val |= (MII_STATUS_MFPRMBLSUPR | MII_STATUS_LINKUP);
+		if ((msr & MSR_LINK) == 0) {
+			val &= ~MII_STATUS_LINKUP;
+		}
+	}
+
+	return (val);
+
+usberr:
+	cmn_err(CE_CONT,
+	    "!%s: %s: usberr(%d) detected", dp->name, __func__, *errp);
+
+	return (0);
+}
+
+static void
+urf_mii_write(struct usbgem_dev *dp, uint_t index, uint16_t val, int *errp)
+{
+	int	reg;
+
+	DPRINTF(5, (CE_CONT, "!%s: %s called", dp->name, __func__));
+
+	*errp = USB_SUCCESS;
+
+	switch (index) {
+	case MII_CONTROL:
+		reg = BMCR;
+		break;
+
+	case MII_STATUS:
+		reg = BMSR;
+		break;
+
+	case MII_AN_ADVERT:
+		reg = ANAR;
+		break;
+
+	case MII_AN_LPABLE:
+		reg = ANLP;
+		break;
+
+	case MII_AN_EXPANSION:
+		reg = ANER;
+		break;
+
+	default:
+		return;
+	}
+
+	OUTW(dp, reg, val, errp, usberr);
+usberr:
+	;
+}
+
+/* ======================================================== */
+/*
+ * OS depend (device driver DKI) routine
+ */
+/* ======================================================== */
+static void
+urf_eeprom_dump(struct usbgem_dev *dp, int size)
+{
+	int		i;
+	int		err;
+	uint16_t	w0, w1, w2, w3;
+
+	cmn_err(CE_CONT, "!%s: eeprom dump:", dp->name);
+	for (i = URF_EEPROM_BASE; i < size + URF_EEPROM_BASE; i += 8) {
+		IN(dp, i + 0, &w0, &err, usberr);
+		IN(dp, i + 2, &w1, &err, usberr);
+		IN(dp, i + 4, &w2, &err, usberr);
+		IN(dp, i + 6, &w3, &err, usberr);
+		cmn_err(CE_CONT, "!0x%02x: 0x%04x 0x%04x 0x%04x 0x%04x",
+		    i - URF_EEPROM_BASE, w0, w1, w2, w3);
+	}
+usberr:
+	;
+}
+
+static int
+urf_attach_chip(struct usbgem_dev *dp)
+{
+	int		i;
+	uint8_t		old;
+	uint_t		new;
+	uint8_t		reg;
+	int		err;
+	struct urf_dev	*lp = dp->private;
+
+	/*
+	 * setup flow control bit in eeprom
+	 */
+	IN(dp, URF_EEPROM_BASE + 9, &old, &err, usberr);
+
+	DPRINTF(0, (CE_CONT, "!%s: eeprom offset 9: %02x", dp->name, old));
+
+	if (dp->ugc.usbgc_flow_control != FLOW_CONTROL_NONE) {
+		/* enable PAUSE bit */
+		new = old | 0x04;
+	} else {
+		/* clear PAUSE bit */
+		new = old & ~0x04;
+	}
+	if (new != old) {
+		/* make eeprom writable */
+		OUTB(dp, CR, lp->cr | CR_WEPROM, &err, usberr);
+
+		/* eerom allows only word access for writing */
+		IN(dp, URF_EEPROM_BASE + 8, &reg, &err, usberr);
+		new = (new << 8) | reg;
+
+		OUTW(dp, URF_EEPROM_BASE + 8, new, &err, usberr);
+
+		/* make eeprom non-writable */
+		OUTB(dp, CR, lp->cr, &err, usberr);
+	}
+
+	/*
+	 * load EEPROM contents into nic
+	 */
+	OUTB(dp, CR, lp->cr | CR_AUTOLOAD, &err, usberr);
+	CHECK_AND_JUMP(err, usberr);
+
+	for (i = 0; i < 100; i++) {
+		IN(dp, CR, &reg, &err, usberr);
+		if ((reg & CR_AUTOLOAD) == 0) {
+			goto autoload_done;
+		}
+	}
+	/* timeout */
+	cmn_err(CE_WARN, "%s: %s: failed to autoload: timeout",
+	    dp->name, __func__);
+	goto usberr;
+
+autoload_done:
+	/*
+	 * mac address in EEPROM has loaded to ID registers.
+	 */
+	INS(dp, IDR, dp->dev_addr.ether_addr_octet, ETHERADDRL, &err, usberr);
+
+	/* no need to scan phy */
+	dp->mii_phy_addr = -1;
+
+#if DEBUG_LEVEL > 2
+	urf_eeprom_dump(dp, 0x80);
+#endif
+
+#ifdef CONFIG_VLAN
+	dp->misc_flag = USBGEM_VLAN;
+#endif
+	return (USB_SUCCESS);
+
+usberr:
+	cmn_err(CE_WARN, "%s: urf_attach_chip: usb error detected", dp->name);
+	return (USB_FAILURE);
+}
+
+static int
+urfattach(dev_info_t *dip, ddi_attach_cmd_t cmd)
+{
+	int			i;
+	ddi_iblock_cookie_t	c;
+	int			ret;
+	int			unit;
+	struct chip_info	*p;
+	const char		*drv_name;
+	struct usbgem_dev	*dp;
+	void			*base;
+	struct usbgem_conf	*ugcp;
+	struct urf_dev		*lp;
+
+	unit =  ddi_get_instance(dip);
+	drv_name = ddi_driver_name(dip);
+
+	DPRINTF(3, (CE_CONT, "!%s%d: %s: called, cmd:%d",
+	    drv_name, __func__, unit, cmd));
+
+	if (cmd == DDI_ATTACH) {
+		/*
+		 * Check if the chip is supported.
+		 */
+
+		/*
+		 * Check the chip if it is really realtek rtl8150
+		 */
+
+		/*
+		 * construct usbgem configration
+		 */
+		ugcp = kmem_zalloc(sizeof (*ugcp), KM_SLEEP);
+
+		/* name */
+		sprintf(ugcp->usbgc_name,
+		    "%s%d(ppa=%d)", drv_name, unit, urf_ppa);
+#ifdef USBGEM_CONFIG_GLDv3
+		ugcp->usbgc_ppa = urf_ppa;
+#else
+		ugcp->usbgc_ppa = unit;
+#endif
+		ugcp->usbgc_ifnum = 0;
+		ugcp->usbgc_alt = 0;
+
+		ugcp->usbgc_tx_list_max = 16;
+
+		/* the rx status partially replaces FCS */
+		ugcp->usbgc_rx_header_len = 0;
+		ugcp->usbgc_rx_list_max = 64;
+
+		/* time out parameters */
+		ugcp->usbgc_tx_timeout = USBGEM_TX_TIMEOUT;
+		ugcp->usbgc_tx_timeout_interval = ONESEC;
+
+		/* flow control */
+		ugcp->usbgc_flow_control = FLOW_CONTROL_RX_PAUSE;
+
+		/* MII timeout parameters */
+		ugcp->usbgc_mii_link_watch_interval = ONESEC;
+		ugcp->usbgc_mii_an_watch_interval = ONESEC/5;
+		ugcp->usbgc_mii_reset_timeout = MII_RESET_TIMEOUT; /* 1 sec */
+		ugcp->usbgc_mii_an_timeout = MII_AN_TIMEOUT;	/* 5 sec */
+		ugcp->usbgc_mii_an_wait = (25*ONESEC)/10;
+		ugcp->usbgc_mii_linkdown_timeout = MII_LINKDOWN_TIMEOUT;
+
+		ugcp->usbgc_mii_an_delay = ONESEC/10;
+		ugcp->usbgc_mii_linkdown_action = MII_ACTION_RSA;
+		ugcp->usbgc_mii_linkdown_timeout_action = MII_ACTION_RESET;
+		ugcp->usbgc_mii_dont_reset = B_FALSE;
+
+		/* I/O methods */
+
+		/* mac operation */
+		ugcp->usbgc_attach_chip = &urf_attach_chip;
+		ugcp->usbgc_reset_chip = &urf_reset_chip;
+		ugcp->usbgc_init_chip = &urf_init_chip;
+		ugcp->usbgc_start_chip = &urf_start_chip;
+		ugcp->usbgc_stop_chip = &urf_stop_chip;
+		ugcp->usbgc_multicast_hash = &urf_mcast_hash;
+
+		ugcp->usbgc_set_rx_filter = &urf_set_rx_filter;
+		ugcp->usbgc_set_media = &urf_set_media;
+		ugcp->usbgc_get_stats = &urf_get_stats;
+#ifdef notdef
+		ugcp->usbgc_interrupt = &urf_interrupt;
+#else
+		ugcp->usbgc_interrupt = NULL;
+#endif
+		/* packet operation */
+		ugcp->usbgc_tx_make_packet = &urf_tx_make_packet;
+		ugcp->usbgc_rx_make_packet = &urf_rx_make_packet;
+
+		/* mii operations */
+		ugcp->usbgc_mii_probe = &usbgem_mii_probe_default;
+		ugcp->usbgc_mii_init = &usbgem_mii_init_default;
+		ugcp->usbgc_mii_config = &usbgem_mii_config_default;
+		ugcp->usbgc_mii_read = &urf_mii_read;
+		ugcp->usbgc_mii_write = &urf_mii_write;
+
+		/* mtu */
+		ugcp->usbgc_min_mtu = ETHERMTU;
+		ugcp->usbgc_max_mtu = ETHERMTU;
+		ugcp->usbgc_default_mtu = ETHERMTU;
+
+		lp = kmem_zalloc(sizeof (struct urf_dev), KM_SLEEP);
+		lp->chip = p;
+
+		ddi_set_driver_private(dip, NULL);
+
+		dp = usbgem_do_attach(dip, ugcp, lp, sizeof (struct urf_dev));
+
+		kmem_free(ugcp, sizeof (*ugcp));
+
+		if (dp != NULL) {
+			urf_ppa++;
+			return (DDI_SUCCESS);
+		}
+
+err_free_mem:
+		kmem_free(lp, sizeof (struct urf_dev));
+err_close_pipe:
+err:
+		return (DDI_FAILURE);
+	}
+	if (cmd == DDI_RESUME) {
+		return (usbgem_resume(dip));
+	}
+	return (DDI_FAILURE);
+}
+
+static int
+urfdetach(dev_info_t *dip, ddi_detach_cmd_t cmd)
+{
+	int	ret;
+
+	if (cmd == DDI_DETACH) {
+		ret = usbgem_do_detach(dip);
+		if (ret != DDI_SUCCESS) {
+			return (DDI_FAILURE);
+		}
+		urf_ppa--;
+		return (DDI_SUCCESS);
+	}
+	if (cmd == DDI_SUSPEND) {
+		return (usbgem_suspend(dip));
+	}
+	return (DDI_FAILURE);
+}
+
+/* ======================================================== */
+/*
+ * OS depend (loadable streams driver) routine
+ */
+/* ======================================================== */
+#ifdef USBGEM_CONFIG_GLDv3
+USBGEM_STREAM_OPS(urf_ops, urfattach, urfdetach);
+#else
+static	struct module_info urfminfo = {
+	0,			/* mi_idnum */
+	"urf",			/* mi_idname */
+	0,			/* mi_minpsz */
+	ETHERMTU,		/* mi_maxpsz */
+	ETHERMTU*128,		/* mi_hiwat */
+	1,			/* mi_lowat */
+};
+
+static	struct qinit urfrinit = {
+	(int (*)()) NULL,	/* qi_putp */
+	usbgem_rsrv,		/* qi_srvp */
+	usbgem_open,		/* qi_qopen */
+	usbgem_close,		/* qi_qclose */
+	(int (*)()) NULL,	/* qi_qadmin */
+	&urfminfo,		/* qi_minfo */
+	NULL			/* qi_mstat */
+};
+
+static	struct qinit urfwinit = {
+	usbgem_wput,		/* qi_putp */
+	usbgem_wsrv,		/* qi_srvp */
+	(int (*)()) NULL,	/* qi_qopen */
+	(int (*)()) NULL,	/* qi_qclose */
+	(int (*)()) NULL,	/* qi_qadmin */
+	&urfminfo,		/* qi_minfo */
+	NULL			/* qi_mstat */
+};
+
+static struct streamtab	urf_info = {
+	&urfrinit,	/* st_rdinit */
+	&urfwinit,	/* st_wrinit */
+	NULL,		/* st_muxrinit */
+	NULL		/* st_muxwrinit */
+};
+
+static	struct cb_ops cb_urf_ops = {
+	nulldev,	/* cb_open */
+	nulldev,	/* cb_close */
+	nodev,		/* cb_strategy */
+	nodev,		/* cb_print */
+	nodev,		/* cb_dump */
+	nodev,		/* cb_read */
+	nodev,		/* cb_write */
+	nodev,		/* cb_ioctl */
+	nodev,		/* cb_devmap */
+	nodev,		/* cb_mmap */
+	nodev,		/* cb_segmap */
+	nochpoll,	/* cb_chpoll */
+	ddi_prop_op,	/* cb_prop_op */
+	&urf_info,	/* cb_stream */
+	D_NEW|D_MP	/* cb_flag */
+};
+
+static	struct dev_ops urf_ops = {
+	DEVO_REV,	/* devo_rev */
+	0,		/* devo_refcnt */
+	usbgem_getinfo,	/* devo_getinfo */
+	nulldev,	/* devo_identify */
+	nulldev,	/* devo_probe */
+	urfattach,	/* devo_attach */
+	urfdetach,	/* devo_detach */
+	nodev,		/* devo_reset */
+	&cb_urf_ops,	/* devo_cb_ops */
+	NULL,		/* devo_bus_ops */
+	usbgem_power,	/* devo_power */
+#if DEVO_REV >= 4
+	usbgem_quiesce, /* devo_quiesce */
+#endif
+
+};
+#endif
+
+static struct modldrv modldrv = {
+	&mod_driverops,	/* Type of module.  This one is a driver */
+	ident,
+	&urf_ops,	/* driver ops */
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1, &modldrv, NULL
+};
+
+/* ======================================================== */
+/*
+ * _init : done
+ */
+/* ======================================================== */
+int
+_init(void)
+{
+	int 	status;
+
+	DPRINTF(2, (CE_CONT, "!urf: _init: called"));
+
+	status = usbgem_mod_init(&urf_ops, "urf");
+	if (status != DDI_SUCCESS) {
+		return (status);
+	}
+	status = mod_install(&modlinkage);
+	if (status != DDI_SUCCESS) {
+		usbgem_mod_fini(&urf_ops);
+	}
+	return (status);
+}
+
+/*
+ * _fini : done
+ */
+int
+_fini(void)
+{
+	int	status;
+
+	DPRINTF(2, (CE_CONT, "!urf: _fini: called"));
+	status = mod_remove(&modlinkage);
+	if (status == DDI_SUCCESS) {
+		usbgem_mod_fini(&urf_ops);
+	}
+	return (status);
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
diff --git a/usr/src/uts/common/io/usb/usba/usba_ugen.c b/usr/src/uts/common/io/usb/usba/usba_ugen.c
index cb20c24270..5852e40799 100644
--- a/usr/src/uts/common/io/usb/usba/usba_ugen.c
+++ b/usr/src/uts/common/io/usb/usba/usba_ugen.c
@@ -23,6 +23,10 @@
  */
 
 /*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
+
+/*
  * UGEN: USB Generic Driver support code
  *
  * This code provides entry points called by the ugen driver or other
@@ -1082,7 +1086,10 @@ usb_ugen_poll(usb_ugen_hdl_t usb_ugen_hdl, dev_t dev, short events,
 				    ((epp->ep_state &
 				    UGEN_EP_STATE_INTR_IN_POLLING_ON) == 0)) {
 					*reventsp |= POLLIN;
-				} else if (!anyyet) {
+				}
+
+				if ((!*reventsp && !anyyet) ||
+				    (events & POLLET)) {
 					*phpp = &epp->ep_pollhead;
 					epp->ep_state |=
 					    UGEN_EP_STATE_INTR_IN_POLL_PENDING;
@@ -1101,7 +1108,10 @@ usb_ugen_poll(usb_ugen_hdl_t usb_ugen_hdl, dev_t dev, short events,
 				    ((epp->ep_state &
 				    UGEN_EP_STATE_ISOC_IN_POLLING_ON) == 0)) {
 					*reventsp |= POLLIN;
-				} else if (!anyyet) {
+				}
+
+				if ((!*reventsp && !anyyet) ||
+				    (events & POLLET)) {
 					*phpp = &epp->ep_pollhead;
 					epp->ep_state |=
 					    UGEN_EP_STATE_ISOC_IN_POLL_PENDING;
@@ -1115,9 +1125,10 @@ usb_ugen_poll(usb_ugen_hdl_t usb_ugen_hdl, dev_t dev, short events,
 
 			break;
 		case UGEN_MINOR_DEV_STAT_NODE:
-			if (ugenp->ug_ds.dev_stat & UGEN_DEV_STATUS_CHANGED) {
+			if (ugenp->ug_ds.dev_stat & UGEN_DEV_STATUS_CHANGED)
 				*reventsp |= POLLIN;
-			} else if (!anyyet) {
+
+			if ((!*reventsp && !anyyet) || (events & POLLET)) {
 				*phpp = &ugenp->ug_ds.dev_pollhead;
 				ugenp->ug_ds.dev_stat |=
 				    UGEN_DEV_STATUS_POLL_PENDING;
@@ -1131,9 +1142,10 @@ usb_ugen_poll(usb_ugen_hdl_t usb_ugen_hdl, dev_t dev, short events,
 			break;
 		}
 	} else {
-		if (ugenp->ug_ds.dev_stat & UGEN_DEV_STATUS_CHANGED) {
+		if (ugenp->ug_ds.dev_stat & UGEN_DEV_STATUS_CHANGED)
 			*reventsp |= POLLHUP|POLLIN;
-		} else if (!anyyet) {
+
+		if ((!*reventsp && !anyyet) || (events & POLLET)) {
 			*phpp = &ugenp->ug_ds.dev_pollhead;
 			ugenp->ug_ds.dev_stat |=
 			    UGEN_DEV_STATUS_POLL_PENDING;
diff --git a/usr/src/uts/common/io/usbgem/usbgem.c b/usr/src/uts/common/io/usbgem/usbgem.c
new file mode 100644
index 0000000000..a42f7119ef
--- /dev/null
+++ b/usr/src/uts/common/io/usbgem/usbgem.c
@@ -0,0 +1,6389 @@
+/*
+ * usbgem.c: General USB to Fast Ethernet mac driver framework
+ *
+ * Copyright (c) 2002-2012 Masayuki Murayama.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the author nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
+
+#pragma	ident	"@(#)usbgem.c 1.6     12/02/09"
+
+/*
+ * Change log
+ */
+
+/*
+ * TODO:
+ * 	implement DELAYED_START
+ */
+
+/*
+ * System Header files.
+ */
+#include <sys/types.h>
+#include <sys/conf.h>
+#include <sys/debug.h>
+#include <sys/kmem.h>
+#include <sys/vtrace.h>
+#include <sys/ethernet.h>
+#include <sys/modctl.h>
+#include <sys/errno.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#ifndef USBGEM_CONFIG_GLDv3
+#include <sys/dlpi.h>
+#include <sys/strsubr.h>
+#endif
+#include <sys/stream.h>		/* required for MBLK* */
+#include <sys/strsun.h>		/* required for mionack() */
+#include <sys/byteorder.h>
+
+#include <sys/usb/usba.h>
+#ifdef USBGEM_CONFIG_GLDv3
+#include <inet/common.h>
+#include <inet/led.h>
+#include <inet/mi.h>
+#include <inet/nd.h>
+#endif
+
+/* supplement definitions */
+extern const char *usb_str_cr(usb_cr_t);
+
+#ifndef USBGEM_CONFIG_GLDv3
+#pragma weak	gld_linkstate
+#endif
+#include <sys/note.h>
+
+#include "usbgem_mii.h"
+#include "usbgem.h"
+
+#ifdef MODULE
+char	ident[] = "usb general ethernet mac driver v" VERSION;
+#else
+extern char	ident[];
+#endif
+
+/* Debugging support */
+#ifdef USBGEM_DEBUG_LEVEL
+static int usbgem_debug = USBGEM_DEBUG_LEVEL;
+#define	DPRINTF(n, args)	if (usbgem_debug > (n)) cmn_err args
+#else
+#define	DPRINTF(n, args)
+#endif
+
+/*
+ * Useful macros and typedefs
+ */
+#define	ROUNDUP(x, a)		(((x) + (a) - 1) & ~((a) - 1))
+#define	DEFAULT_PIPE(dp)	((dp)->reg_data->dev_default_ph)
+#define	VTAG_SIZE	4
+#define	BOOLEAN(x)	((x) != 0)
+/*
+ * configuration parameters
+ */
+#define	USBDRV_MAJOR_VER	2
+#define	USBDRV_MINOR_VER	0
+
+#define	ETHERHEADERL	(sizeof (struct ether_header))
+#define	MAXPKTLEN(dp)	((dp)->mtu + ETHERHEADERL)
+#define	MAXPKTBUF(dp)	((dp)->mtu + ETHERHEADERL + ETHERFCSL)
+
+#define	WATCH_INTERVAL_FAST	drv_usectohz(100*1000)
+
+#define	STOP_GRACEFUL	B_TRUE
+
+/*
+ * Private functions
+ */
+static int usbgem_open_pipes(struct usbgem_dev *dp);
+static int usbgem_close_pipes(struct usbgem_dev *dp);
+static void usbgem_intr_cb(usb_pipe_handle_t, usb_intr_req_t *);
+static void usbgem_bulkin_cb(usb_pipe_handle_t, usb_bulk_req_t *);
+static void usbgem_bulkout_cb(usb_pipe_handle_t, usb_bulk_req_t *);
+
+static int usbgem_mii_start(struct usbgem_dev *);
+static void usbgem_mii_stop(struct usbgem_dev *);
+
+/* local buffer management */
+static int usbgem_init_rx_buf(struct usbgem_dev *);
+
+/* internal mac interfaces */
+static void usbgem_tx_timeout(struct usbgem_dev *);
+static void usbgem_mii_link_watcher(struct usbgem_dev *);
+static int usbgem_mac_init(struct usbgem_dev *);
+static int usbgem_mac_start(struct usbgem_dev *);
+static int usbgem_mac_stop(struct usbgem_dev *, int, boolean_t);
+static void usbgem_mac_ioctl(struct usbgem_dev *, queue_t *, mblk_t *);
+
+int usbgem_speed_value[] = {10, 100, 1000};
+
+static int usbgem_ctrl_retry = 5;
+
+/* usb event support */
+static int usbgem_disconnect_cb(dev_info_t *dip);
+static int usbgem_reconnect_cb(dev_info_t *dip);
+int usbgem_suspend(dev_info_t *dip);
+int usbgem_resume(dev_info_t *dip);
+
+static uint8_t usbgem_bcastaddr[] = {
+	0xff, 0xff, 0xff, 0xff, 0xff, 0xff
+};
+
+#ifdef MODULE
+extern struct mod_ops mod_miscops;
+
+static struct modlmisc modlmisc = {
+	&mod_miscops,
+	"usbgem v" VERSION,
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1, &modlmisc, NULL
+};
+
+/*
+ * _init : done
+ */
+int
+_init(void)
+{
+	int 	status;
+
+	DPRINTF(2, (CE_CONT, "!usbgem: _init: called"));
+	status = mod_install(&modlinkage);
+
+	return (status);
+}
+
+/*
+ * _fini : done
+ */
+int
+_fini(void)
+{
+	int	status;
+
+	DPRINTF(2, (CE_CONT, "!usbgem: _fini: called"));
+	status = mod_remove(&modlinkage);
+	return (status);
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
+#endif /* MODULE */
+
+/* ============================================================== */
+/*
+ * Ether CRC calculation utilities
+ */
+/* ============================================================== */
+/*
+ * Ether CRC calculation according to 21143 data sheet
+ */
+#define	CRC32_POLY_LE	0xedb88320
+uint32_t
+usbgem_ether_crc_le(const uint8_t *addr)
+{
+	int		idx;
+	int		bit;
+	uint_t		data;
+	uint32_t	crc = 0xffffffff;
+
+	crc = 0xffffffff;
+	for (idx = 0; idx < ETHERADDRL; idx++) {
+		for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) {
+			crc = (crc >> 1) ^
+			    (((crc ^ data) & 1) ? CRC32_POLY_LE : 0);
+		}
+	}
+	return	(crc);
+}
+
+#define	CRC32_POLY_BE	0x04c11db7
+uint32_t
+usbgem_ether_crc_be(const uint8_t *addr)
+{
+	int		idx;
+	int		bit;
+	uint_t		data;
+	uint32_t	crc;
+
+	crc = 0xffffffff;
+	for (idx = 0; idx < ETHERADDRL; idx++) {
+		for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) {
+			crc = (crc << 1) ^
+			    ((((crc >> 31) ^ data) & 1) ? CRC32_POLY_BE : 0);
+		}
+	}
+	return (crc);
+}
+
+int
+usbgem_prop_get_int(struct usbgem_dev *dp, char *prop_template, int def_val)
+{
+	char	propname[32];
+
+	(void) sprintf(propname, prop_template, dp->name);
+
+	return (ddi_prop_get_int(DDI_DEV_T_ANY, dp->dip,
+	    DDI_PROP_DONTPASS, propname, def_val));
+}
+
+static int
+usbgem_population(uint32_t x)
+{
+	int	i;
+	int	cnt;
+
+	cnt = 0;
+	for (i = 0; i < 32; i++) {
+		if (x & (1 << i)) {
+			cnt++;
+		}
+	}
+	return (cnt);
+}
+
+static clock_t
+usbgem_timestamp_nz()
+{
+	clock_t	now;
+	now = ddi_get_lbolt();
+	return (now ? now : (clock_t)1);
+}
+
+#ifdef USBGEM_DEBUG_LEVEL
+#ifdef USBGEM_DEBUG_VLAN
+#ifdef notdef
+#include <netinet/in.h>
+#endif
+static void
+usbgem_dump_packet(struct usbgem_dev *dp, char *title, mblk_t *mp,
+    boolean_t check_cksum)
+{
+	char	msg[180];
+	uint8_t	buf[18+20+20];
+	uint8_t	*p;
+	size_t	offset;
+	uint_t	ethertype;
+	uint_t	proto;
+	uint_t	ipproto = 0;
+	uint_t	iplen;
+	uint_t	iphlen;
+	uint_t	tcplen;
+	uint_t	udplen;
+	uint_t	cksum;
+	int	rest;
+	int	len;
+	char	*bp;
+	mblk_t	*tp;
+	extern uint_t	ip_cksum(mblk_t *, int, uint32_t);
+
+	msg[0] = 0;
+	bp = msg;
+
+	rest = sizeof (buf);
+	offset = 0;
+	for (tp = mp; tp; tp = tp->b_cont) {
+		len = tp->b_wptr - tp->b_rptr;
+		len = min(rest, len);
+		bcopy(tp->b_rptr, &buf[offset], len);
+		rest -= len;
+		offset += len;
+		if (rest == 0) {
+			break;
+		}
+	}
+
+	offset = 0;
+	p = &buf[offset];
+
+	/* ethernet address */
+	sprintf(bp,
+	    "ether: %02x:%02x:%02x:%02x:%02x:%02x"
+	    " -> %02x:%02x:%02x:%02x:%02x:%02x",
+	    p[6], p[7], p[8], p[9], p[10], p[11],
+	    p[0], p[1], p[2], p[3], p[4], p[5]);
+	bp = &msg[strlen(msg)];
+
+	/* vlag tag and etherrtype */
+	ethertype = GET_ETHERTYPE(p);
+	if (ethertype == VTAG_TPID) {
+		sprintf(bp, " vtag:0x%04x", GET_NET16(&p[14]));
+		bp = &msg[strlen(msg)];
+
+		offset += VTAG_SIZE;
+		p = &buf[offset];
+		ethertype = GET_ETHERTYPE(p);
+	}
+	sprintf(bp, " type:%04x", ethertype);
+	bp = &msg[strlen(msg)];
+
+	/* ethernet packet length */
+	sprintf(bp, " mblklen:%d", msgdsize(mp));
+	bp = &msg[strlen(msg)];
+	if (mp->b_cont) {
+		sprintf(bp, "(");
+		bp = &msg[strlen(msg)];
+		for (tp = mp; tp; tp = tp->b_cont) {
+			if (tp == mp) {
+				sprintf(bp, "%d", tp->b_wptr - tp->b_rptr);
+			} else {
+				sprintf(bp, "+%d", tp->b_wptr - tp->b_rptr);
+			}
+			bp = &msg[strlen(msg)];
+		}
+		sprintf(bp, ")");
+		bp = &msg[strlen(msg)];
+	}
+
+	if (ethertype != ETHERTYPE_IP) {
+		goto x;
+	}
+
+	/* ip address */
+	offset += sizeof (struct ether_header);
+	p = &buf[offset];
+	ipproto = p[9];
+	iplen = GET_NET16(&p[2]);
+	sprintf(bp, ", ip: %d.%d.%d.%d -> %d.%d.%d.%d proto:%d iplen:%d",
+	    p[12], p[13], p[14], p[15],
+	    p[16], p[17], p[18], p[19],
+	    ipproto, iplen);
+	bp = (void *)&msg[strlen(msg)];
+
+	iphlen = (p[0] & 0xf) * 4;
+
+	/* cksum for psuedo header */
+	cksum = *(uint16_t *)&p[12];
+	cksum += *(uint16_t *)&p[14];
+	cksum += *(uint16_t *)&p[16];
+	cksum += *(uint16_t *)&p[18];
+	cksum += BE_16(ipproto);
+
+	/* tcp or udp protocol header */
+	offset += iphlen;
+	p = &buf[offset];
+	if (ipproto == IPPROTO_TCP) {
+		tcplen = iplen - iphlen;
+		sprintf(bp, ", tcp: len:%d cksum:%x",
+		    tcplen, GET_NET16(&p[16]));
+		bp = (void *)&msg[strlen(msg)];
+
+		if (check_cksum) {
+			cksum += BE_16(tcplen);
+			cksum = (uint16_t)ip_cksum(mp, offset, cksum);
+			sprintf(bp, " (%s)",
+			    (cksum == 0 || cksum == 0xffff) ? "ok" : "ng");
+			bp = (void *)&msg[strlen(msg)];
+		}
+	} else if (ipproto == IPPROTO_UDP) {
+		udplen = GET_NET16(&p[4]);
+		sprintf(bp, ", udp: len:%d cksum:%x",
+		    udplen, GET_NET16(&p[6]));
+		bp = (void *)&msg[strlen(msg)];
+
+		if (GET_NET16(&p[6]) && check_cksum) {
+			cksum += *(uint16_t *)&p[4];
+			cksum = (uint16_t)ip_cksum(mp, offset, cksum);
+			sprintf(bp, " (%s)",
+			    (cksum == 0 || cksum == 0xffff) ? "ok" : "ng");
+			bp = (void *)&msg[strlen(msg)];
+		}
+	}
+x:
+	cmn_err(CE_CONT, "!%s: %s: %s", dp->name, title, msg);
+}
+#endif /* USBGEM_DEBUG_VLAN */
+#endif /* USBGEM_DEBUG_LEVEL */
+
+#ifdef GEM_GCC_RUNTIME
+/*
+ * gcc3 runtime routines
+ */
+#pragma weak memcmp
+int
+memcmp(const void *s1, const void *s2, size_t n)
+{
+	int	i;
+	int	ret;
+
+	ret = 0;
+	for (i = 0; i < n; i++) {
+		ret = (int)((uint8_t *)s1)[i] - (int)((uint8_t *)s2)[i];
+		if (ret) {
+			return (ret);
+		}
+	}
+	return (0);
+}
+
+#pragma weak memset
+void *
+memset(void *s, int c, size_t n)
+{
+	if ((c & 0xff) == 0) {
+		bzero(s, n);
+	} else {
+		while (n--) {
+			((uint8_t *)s)[n] = c;
+		}
+	}
+	return (s);
+}
+
+#pragma weak _memcpy = memcpy
+#pragma weak memcpy
+void *
+memcpy(void *s1, const void *s2, size_t n)
+{
+	bcopy(s2, s1, n);
+	return (s1);
+}
+#endif /* GEM_GCC_RUNTIME */
+/* ============================================================== */
+/*
+ * hardware operations
+ */
+/* ============================================================== */
+static int
+usbgem_hal_reset_chip(struct usbgem_dev *dp)
+{
+	int	err;
+
+	sema_p(&dp->hal_op_lock);
+	err = (*dp->ugc.usbgc_reset_chip)(dp);
+	sema_v(&dp->hal_op_lock);
+	return (err);
+}
+
+static int
+usbgem_hal_init_chip(struct usbgem_dev *dp)
+{
+	int	err;
+
+	sema_p(&dp->hal_op_lock);
+	err = (*dp->ugc.usbgc_init_chip)(dp);
+	sema_v(&dp->hal_op_lock);
+	return (err);
+}
+
+static int
+usbgem_hal_attach_chip(struct usbgem_dev *dp)
+{
+	int	err;
+
+	sema_p(&dp->hal_op_lock);
+	err = (*dp->ugc.usbgc_attach_chip)(dp);
+	sema_v(&dp->hal_op_lock);
+	return (err);
+}
+
+static int
+usbgem_hal_set_rx_filter(struct usbgem_dev *dp)
+{
+	int	err;
+
+	sema_p(&dp->hal_op_lock);
+	err = (*dp->ugc.usbgc_set_rx_filter)(dp);
+	sema_v(&dp->hal_op_lock);
+	return (err);
+}
+
+static int
+usbgem_hal_set_media(struct usbgem_dev *dp)
+{
+	int	err;
+
+	sema_p(&dp->hal_op_lock);
+	err = (*dp->ugc.usbgc_set_media)(dp);
+	sema_v(&dp->hal_op_lock);
+	return (err);
+}
+
+static int
+usbgem_hal_start_chip(struct usbgem_dev *dp)
+{
+	int	err;
+
+	sema_p(&dp->hal_op_lock);
+	err = (*dp->ugc.usbgc_start_chip)(dp);
+	sema_v(&dp->hal_op_lock);
+	return (err);
+}
+
+static int
+usbgem_hal_stop_chip(struct usbgem_dev *dp)
+{
+	int	err;
+
+	sema_p(&dp->hal_op_lock);
+	err = (*dp->ugc.usbgc_stop_chip)(dp);
+	sema_v(&dp->hal_op_lock);
+	return (err);
+}
+
+static int
+usbgem_hal_get_stats(struct usbgem_dev *dp)
+{
+	int	err;
+
+	sema_p(&dp->hal_op_lock);
+	err = (*dp->ugc.usbgc_get_stats)(dp);
+	sema_v(&dp->hal_op_lock);
+	return (err);
+}
+
+
+/* ============================================================== */
+/*
+ * USB pipe management
+ */
+/* ============================================================== */
+static boolean_t
+usbgem_rx_start_unit(struct usbgem_dev *dp, usb_bulk_req_t *req)
+{
+	mblk_t	*mp;
+	int	err;
+	usb_flags_t	flags;
+
+	ASSERT(req);
+
+	mp = allocb(dp->rx_buf_len, BPRI_MED);
+	if (mp == NULL) {
+		cmn_err(CE_WARN, "!%s: %s: failed to allocate mblk",
+		    dp->name, __func__);
+		goto err;
+	}
+
+	req->bulk_len = dp->rx_buf_len;
+	req->bulk_data = mp;
+	req->bulk_client_private = (usb_opaque_t)dp;
+	req->bulk_timeout = 0;
+	req->bulk_attributes = USB_ATTRS_SHORT_XFER_OK;
+	req->bulk_cb = usbgem_bulkin_cb;
+	req->bulk_exc_cb = usbgem_bulkin_cb;
+	req->bulk_completion_reason = 0;
+	req->bulk_cb_flags = 0;
+
+	flags = 0;
+	err = usb_pipe_bulk_xfer(dp->bulkin_pipe, req, flags);
+
+	if (err != USB_SUCCESS) {
+		cmn_err(CE_WARN, "%s: failed to bulk_xfer for rx, err:%d",
+		    dp->name, err);
+
+		/* free req and mp */
+		usb_free_bulk_req(req);
+		goto err;
+	}
+	return (B_TRUE);
+err:
+	return (B_FALSE);
+}
+
+/* ============================================================== */
+/*
+ * Rx/Tx buffer management
+ */
+/* ============================================================== */
+static int
+usbgem_init_rx_buf(struct usbgem_dev *dp)
+{
+	int	i;
+	usb_bulk_req_t	*req;
+
+	ASSERT(dp->mac_state == MAC_STATE_ONLINE);
+
+	for (i = 0; i < dp->ugc.usbgc_rx_list_max; i++) {
+		req = usb_alloc_bulk_req(dp->dip, 0, USB_FLAGS_SLEEP);
+		if (req == NULL) {
+			cmn_err(CE_WARN,
+			    "!%s: %s: failed to allocate bulkreq for rx",
+			    dp->name, __func__);
+			return (USB_FAILURE);
+		}
+		if (!usbgem_rx_start_unit(dp, req)) {
+			return (USB_FAILURE);
+		}
+		mutex_enter(&dp->rxlock);
+		dp->rx_busy_cnt++;
+		mutex_exit(&dp->rxlock);
+	}
+	return (USB_SUCCESS);
+}
+
+/* ============================================================== */
+/*
+ * memory resource management
+ */
+/* ============================================================== */
+static int
+usbgem_free_memory(struct usbgem_dev *dp)
+{
+	usb_bulk_req_t	*req;
+
+	/* free all tx requst structure */
+	while ((req = dp->tx_free_list) != NULL) {
+		dp->tx_free_list =
+		    (usb_bulk_req_t *)req->bulk_client_private;
+		req->bulk_data = NULL;
+		usb_free_bulk_req(req);
+	}
+	return (USB_SUCCESS);
+}
+
+static int
+usbgem_alloc_memory(struct usbgem_dev *dp)
+{
+	int	i;
+	usb_bulk_req_t	*req;
+
+	/* allocate tx requests */
+	dp->tx_free_list = NULL;
+	for (i = 0; i < dp->ugc.usbgc_tx_list_max; i++) {
+		req = usb_alloc_bulk_req(dp->dip, 0, USB_FLAGS_SLEEP);
+		if (req == NULL) {
+			cmn_err(CE_WARN,
+			    "%s:%s failed to allocate tx requests",
+			    dp->name, __func__);
+
+			/* free partially allocated tx requests */
+			(void) usbgem_free_memory(dp);
+			return (USB_FAILURE);
+		}
+
+		/* add the new one allocated into tx free list */
+		req->bulk_client_private = (usb_opaque_t)dp->tx_free_list;
+		dp->tx_free_list = req;
+	}
+
+	return (USB_SUCCESS);
+}
+
+/* ========================================================== */
+/*
+ * Start transmission.
+ * Return zero on success,
+ */
+/* ========================================================== */
+
+#ifdef TXTIMEOUT_TEST
+static int usbgem_send_cnt = 0;
+#endif
+
+/*
+ * usbgem_send is used only to send data packet into ethernet line.
+ */
+static mblk_t *
+usbgem_send_common(struct usbgem_dev *dp, mblk_t *mp, uint32_t flags)
+{
+	int		err;
+	mblk_t		*new;
+	usb_bulk_req_t	*req;
+	int		mcast;
+	int		bcast;
+	int		len;
+	boolean_t	intr;
+	usb_flags_t	usb_flags = 0;
+#ifdef USBGEM_DEBUG_LEVEL
+	usb_pipe_state_t	p_state;
+#endif
+	DPRINTF(2, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	intr = (flags & 1) != 0;
+	len = msgdsize(mp);
+	bcast = 0;
+	mcast = 0;
+	if (mp->b_rptr[0] & 1) {
+		if (bcmp(mp->b_rptr, &usbgem_bcastaddr, ETHERADDRL) == 0) {
+			bcast = 1;
+		} else {
+			mcast = 1;
+		}
+	}
+	new = (*dp->ugc.usbgc_tx_make_packet)(dp, mp);
+	if (new == NULL) {
+		/*
+		 * no memory resource. we don't stop downstream,
+		 * we just discard the packet.
+		 */
+		DPRINTF(0, (CE_CONT, "!%s: %s: no memory",
+		    dp->name, __func__));
+		freemsg(mp);
+
+		mutex_enter(&dp->txlock);
+		dp->stats.noxmtbuf++;
+		dp->stats.errxmt++;
+		mutex_exit(&dp->txlock);
+
+		return (NULL);
+	}
+
+	ASSERT(new->b_cont == NULL);
+
+	mutex_enter(&dp->txlock);
+	if (dp->tx_free_list == NULL) {
+		/*
+		 * no tx free slot
+		 */
+		ASSERT(dp->tx_busy_cnt == dp->ugc.usbgc_tx_list_max);
+		mutex_exit(&dp->txlock);
+
+		DPRINTF(4, (CE_CONT, "!%s: %s: no free slot",
+		    dp->name, __func__));
+		if (new && new != mp) {
+			/* free reallocated message */
+			freemsg(new);
+		}
+		return (mp);
+	}
+	req = dp->tx_free_list;
+	dp->tx_free_list = (usb_bulk_req_t *)req->bulk_client_private;
+	dp->tx_busy_cnt++;
+	
+	if (dp->tx_free_list == NULL) {
+		intr = B_TRUE;
+	}
+	if (intr) {
+		dp->tx_intr_pended++;
+	}
+	DB_TCI(new) = intr;
+#ifdef USBGEM_DEBUG_LEVEL
+	new->b_datap->db_cksum32 = dp->tx_seq_num;
+	dp->tx_seq_num++;
+#endif
+	dp->stats.obytes += len;
+	dp->stats.opackets++;
+	if (bcast | mcast) {
+		dp->stats.obcast += bcast;
+		dp->stats.omcast += mcast;
+	}
+	mutex_exit(&dp->txlock);
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: sending", dp->name, __func__));
+
+	req->bulk_len = (long)new->b_wptr - (long)new->b_rptr;
+	req->bulk_data = new;
+	req->bulk_client_private = (usb_opaque_t)dp;
+	req->bulk_timeout = dp->bulkout_timeout;	/* in second */
+	req->bulk_attributes = 0;
+	req->bulk_cb = usbgem_bulkout_cb;
+	req->bulk_exc_cb = usbgem_bulkout_cb;
+	req->bulk_completion_reason = 0;
+	req->bulk_cb_flags = 0;
+
+	if (intr) {
+		usb_flags = USB_FLAGS_SLEEP;
+	}
+	if ((err = usb_pipe_bulk_xfer(dp->bulkout_pipe, req, usb_flags))
+	    != USB_SUCCESS) {
+
+		/* failed to transfer the packet, discard it. */
+		freemsg(new);
+		req->bulk_data = NULL;
+
+		/* recycle the request block */
+		mutex_enter(&dp->txlock);
+		dp->tx_busy_cnt--;
+		req->bulk_client_private = (usb_opaque_t)dp->tx_free_list;
+		dp->tx_free_list = req;
+		mutex_exit(&dp->txlock);
+
+		cmn_err(CE_NOTE,
+		    "%s: %s: usb_pipe_bulk_xfer: failed: err:%d",
+		    dp->name, __func__, err);
+
+		/* we use another flag to indicate error state. */
+		if (dp->fatal_error == (clock_t)0) {
+			dp->fatal_error = usbgem_timestamp_nz();
+		}
+	} else {
+		/* record the start time */
+		dp->tx_start_time = ddi_get_lbolt();
+	}
+
+	if (err == USB_SUCCESS && (usb_flags & USB_FLAGS_SLEEP)) {
+		usbgem_bulkout_cb(dp->bulkout_pipe, req);
+	}
+
+	if (new != mp) {
+		freemsg(mp);
+	}
+	return (NULL);
+}
+
+int
+usbgem_restart_nic(struct usbgem_dev *dp)
+{
+	int	ret;
+	int	flags = 0;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	ASSERT(dp->mac_state != MAC_STATE_DISCONNECTED);
+
+	/*
+	 * ensure to stop the nic
+	 */
+	if (dp->mac_state == MAC_STATE_ONLINE) {
+		(void) usbgem_mac_stop(dp, MAC_STATE_STOPPED, STOP_GRACEFUL);
+	}
+
+	/* now the nic become quiescent, reset the chip */
+	if (usbgem_hal_reset_chip(dp) != USB_SUCCESS) {
+		cmn_err(CE_WARN, "%s: %s: failed to reset chip",
+		    dp->name, __func__);
+		goto err;
+	}
+
+	/*
+	 * restore the nic state step by step
+	 */
+	if (dp->nic_state < NIC_STATE_INITIALIZED) {
+		goto done;
+	}
+
+	if (usbgem_mac_init(dp) != USB_SUCCESS) {
+		cmn_err(CE_WARN, "%s: %s: failed to initialize chip",
+		    dp->name, __func__);
+		goto err;
+	}
+
+	/* setup mac address and enable rx filter */
+	sema_p(&dp->rxfilter_lock);
+	dp->rxmode |= RXMODE_ENABLE;
+	ret = usbgem_hal_set_rx_filter(dp);
+	sema_v(&dp->rxfilter_lock);
+	if (ret != USB_SUCCESS) {
+		goto err;
+	}
+
+	/*
+	 * update the link state asynchronously
+	 */
+	cv_signal(&dp->link_watcher_wait_cv);
+
+	/*
+	 * XXX - a panic happened because of linkdown.
+	 * We must check mii_state here, because the link can be down just
+	 * before the restart event happen. If the link is down now,
+	 * gem_mac_start() will be called from gem_mii_link_check() when
+	 * the link become up later.
+	 */
+	if (dp->mii_state == MII_STATE_LINKUP) {
+		if (usbgem_hal_set_media(dp) != USB_SUCCESS) {
+			goto err;
+		}
+		if (dp->nic_state < NIC_STATE_ONLINE) {
+			goto done;
+		}
+
+		(void) usbgem_mac_start(dp);
+
+	}
+done:
+	return (USB_SUCCESS);
+err:
+#ifdef GEM_CONFIG_FMA
+	ddi_fm_service_impact(dp->dip, DDI_SERVICE_DEGRADED);
+#endif
+	return (USB_FAILURE);
+}
+
+static void
+usbgem_tx_timeout(struct usbgem_dev *dp)
+{
+	int	ret;
+	uint_t	rwlock;
+	clock_t	now;
+
+	for (; ; ) {
+		mutex_enter(&dp->tx_watcher_lock);
+		ret = cv_timedwait(&dp->tx_watcher_cv, &dp->tx_watcher_lock,
+		    dp->tx_watcher_interval + ddi_get_lbolt());
+		mutex_exit(&dp->tx_watcher_lock);
+
+		if (dp->tx_watcher_stop) {
+			break;
+		}
+
+		now = ddi_get_lbolt();
+
+		rwlock = RW_READER;
+again:
+		rw_enter(&dp->dev_state_lock, rwlock);
+
+		if ((dp->mac_state != MAC_STATE_DISCONNECTED &&
+		    dp->fatal_error &&
+		    now - dp->fatal_error >= dp->ugc.usbgc_tx_timeout) ||
+		    (dp->mac_state == MAC_STATE_ONLINE &&
+		    dp->mii_state == MII_STATE_LINKUP &&
+		    dp->tx_busy_cnt != 0 &&
+		    now - dp->tx_start_time >= dp->ugc.usbgc_tx_timeout)) {
+			if (rwlock == RW_READER) {
+				/*
+				 * Upgrade dev_state_lock from shared mode
+				 * to exclusive mode to restart nic
+				 */
+				rwlock = RW_WRITER;
+				rw_exit(&dp->dev_state_lock);
+				goto again;
+			}
+			cmn_err(CE_WARN, "%s: %s: restarting the nic:"
+			    " fatal_error:%ld nic_state:%d"
+			    " mac_state:%d starttime:%ld",
+			    dp->name, __func__,
+			    dp->fatal_error ? now - dp->fatal_error: 0,
+			    dp->nic_state, dp->mac_state,
+			    dp->tx_busy_cnt ? now - dp->tx_start_time : 0);
+
+			(void) usbgem_restart_nic(dp);
+		}
+
+		rw_exit(&dp->dev_state_lock);
+	}
+}
+
+static int
+usbgem_tx_watcher_start(struct usbgem_dev *dp)
+{
+	int	err;
+	kthread_t	*wdth;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/* make a first call of uwgem_lw_link_check() */
+	dp->tx_watcher_stop = 0;
+	dp->tx_watcher_interval = drv_usectohz(1000*1000);
+
+	wdth = thread_create(NULL, 0, usbgem_tx_timeout, dp, 0, &p0,
+	    TS_RUN, minclsyspri);
+	if (wdth == NULL) {
+		cmn_err(CE_WARN,
+		    "!%s: %s: failed to create a tx_watcher thread",
+		    dp->name, __func__);
+		return (USB_FAILURE);
+	}
+	dp->tx_watcher_did = wdth->t_did;
+
+	return (USB_SUCCESS);
+}
+
+static void
+usbgem_tx_watcher_stop(struct usbgem_dev *dp)
+{
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+	if (dp->tx_watcher_did) {
+		/* Ensure timer routine stopped */
+		dp->tx_watcher_stop = 1;
+		cv_signal(&dp->tx_watcher_cv);
+		thread_join(dp->tx_watcher_did);
+		dp->tx_watcher_did = NULL;
+	}
+}
+
+/* ================================================================== */
+/*
+ * Callback handlers
+ */
+/* ================================================================== */
+static void
+usbgem_bulkin_cb(usb_pipe_handle_t pipe, usb_bulk_req_t *req)
+{
+	mblk_t	*newmp;
+	mblk_t	*mp;
+	mblk_t	*tp;
+	int	len = 0;
+	int	pkts = 0;
+	int	bcast = 0;
+	int	mcast = 0;
+	boolean_t	busy;
+	struct usbgem_dev	*dp;
+
+	dp = (struct usbgem_dev *)req->bulk_client_private;
+	mp = req->bulk_data;
+	req->bulk_data = NULL;
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: mp:%p, cr:%s(%d)",
+	    dp->name, __func__, mp,
+	    usb_str_cr(req->bulk_completion_reason),
+	    req->bulk_completion_reason));
+
+	/*
+	 * we cannot acquire dev_state_lock because the routine
+	 * must be executed during usbgem_mac_stop() to avoid
+	 * dead lock.
+	 * we use a simle membar operation to get the state correctly.
+	 */
+	membar_consumer();
+
+	if (req->bulk_completion_reason == USB_CR_OK &&
+	    dp->nic_state == NIC_STATE_ONLINE) {
+		newmp = (*dp->ugc.usbgc_rx_make_packet)(dp, mp);
+
+		if (newmp != mp) {
+			/* the message has been reallocated, free old one */
+			freemsg(mp);
+		}
+
+		/* the message may includes one or more ethernet packets */
+		for (tp = newmp; tp; tp = tp->b_next) {
+			len += tp->b_wptr - tp->b_rptr;
+			pkts++;
+			if (tp->b_rptr[0] & 1) {
+				if (bcmp(tp->b_rptr, &usbgem_bcastaddr,
+				    ETHERADDRL) == 0) {
+					bcast++;
+				} else {
+					mcast++;
+				}
+			}
+		}
+
+		/* send up if it is a valid packet */
+#ifdef USBGEM_CONFIG_GLDv3
+		mac_rx(dp->mh, NULL, newmp);
+#else
+		while (newmp) {
+			tp = newmp;
+			newmp = newmp->b_next;
+			tp->b_next = NULL;
+			gld_recv(dp->macinfo, tp);
+		}
+#endif
+	} else {
+		freemsg(mp);
+		len = 0;
+	}
+
+	mutex_enter(&dp->rxlock);
+	/* update rx_active */
+	if (dp->rx_active) {
+		dp->rx_active = dp->mac_state == MAC_STATE_ONLINE;
+	}
+
+	dp->stats.rbytes += len;
+	dp->stats.rpackets += pkts;
+	if (bcast | mcast) {
+		dp->stats.rbcast += bcast;
+		dp->stats.rmcast += mcast;
+	}
+	mutex_exit(&dp->rxlock);
+
+	if (dp->rx_active) {
+		/* prepare to receive the next packets */
+		if (usbgem_rx_start_unit(dp, req)) {
+			/* we successed */
+			goto done;
+		}
+		cmn_err(CE_WARN,
+		    "!%s: %s: failed to fill next rx packet",
+		    dp->name, __func__);
+		/*
+		 * we use another flag to indicate error state.
+		 * if we acquire dev_state_lock for RW_WRITER here,
+		 * usbgem_mac_stop() may hang.
+		 */
+		if (dp->fatal_error == (clock_t)0) {
+			dp->fatal_error = usbgem_timestamp_nz();
+		}
+	} else {
+		/* no need to prepare the next packets */
+		usb_free_bulk_req(req);
+	}
+
+	mutex_enter(&dp->rxlock);
+	dp->rx_active = B_FALSE;
+	dp->rx_busy_cnt--;
+	if (dp->rx_busy_cnt == 0) {
+		/* wake up someone waits for me */
+		cv_broadcast(&dp->rx_drain_cv);
+	}
+	mutex_exit(&dp->rxlock);
+done:
+	;
+}
+
+static void
+usbgem_bulkout_cb(usb_pipe_handle_t pipe, usb_bulk_req_t *req)
+{
+	boolean_t	intr;
+	boolean_t	tx_sched;
+	struct usbgem_dev	*dp;
+
+	dp = (struct usbgem_dev *)req->bulk_client_private;
+	tx_sched = B_FALSE;
+
+	DPRINTF(2, (CE_CONT,
+	    "!%s: %s: cr:%s(%d) cb_flags:0x%x head:%d tail:%d",
+	    dp->name, __func__,
+	    usb_str_cr(req->bulk_completion_reason),
+	    req->bulk_completion_reason,
+	    req->bulk_cb_flags,
+	    dp->tx_busy_cnt));
+
+	/* we have finished to transfer the packet into tx fifo */
+	intr = DB_TCI(req->bulk_data);
+	freemsg(req->bulk_data);
+
+	if (req->bulk_completion_reason != USB_CR_OK &&
+	    dp->fatal_error == (clock_t)0) {
+		dp->fatal_error = usbgem_timestamp_nz();
+	}
+
+	mutex_enter(&dp->txlock);
+
+	if (intr) {
+		ASSERT(dp->tx_intr_pended > 0);
+		/* find the last interrupt we have scheduled */
+		if (--(dp->tx_intr_pended) == 0) {
+			tx_sched = B_TRUE;
+		}
+	}
+
+	ASSERT(dp->tx_busy_cnt > 0);
+	req->bulk_client_private = (usb_opaque_t)dp->tx_free_list;
+	dp->tx_free_list = req;
+	dp->tx_busy_cnt--;
+
+#ifdef CONFIG_TX_LIMITER
+	if (tx_sched) {
+		dp->tx_max_packets =
+		    min(dp->tx_max_packets + 1, dp->ugc.usbgc_tx_list_max);
+	}
+#endif
+	if (dp->mac_state != MAC_STATE_ONLINE && dp->tx_busy_cnt == 0) {
+		cv_broadcast(&dp->tx_drain_cv);
+	}
+
+	mutex_exit(&dp->txlock);
+
+	if (tx_sched) {
+#ifdef USBGEM_CONFIG_GLDv3
+		mac_tx_update(dp->mh);
+#else
+		gld_sched(dp->macinfo);
+#endif
+	}
+}
+
+static void
+usbgem_intr_cb(usb_pipe_handle_t ph, usb_intr_req_t *req)
+{
+	struct usbgem_dev	*dp;
+
+	dp = (struct usbgem_dev *)req->intr_client_private;
+	dp->stats.intr++;
+
+	if (req->intr_completion_reason == USB_CR_OK) {
+		(*dp->ugc.usbgc_interrupt)(dp, req->intr_data);
+	}
+
+	/* free the request and data */
+	usb_free_intr_req(req);
+}
+
+/* ======================================================================== */
+/*
+ * MII support routines
+ */
+/* ======================================================================== */
+static void
+usbgem_choose_forcedmode(struct usbgem_dev *dp)
+{
+	/* choose media mode */
+	if (dp->anadv_1000fdx || dp->anadv_1000hdx) {
+		dp->speed = USBGEM_SPD_1000;
+		dp->full_duplex = dp->anadv_1000fdx;
+	} else if (dp->anadv_100fdx || dp->anadv_100t4) {
+		dp->speed = USBGEM_SPD_100;
+		dp->full_duplex = B_TRUE;
+	} else if (dp->anadv_100hdx) {
+		dp->speed = USBGEM_SPD_100;
+		dp->full_duplex = B_FALSE;
+	} else {
+		dp->speed = USBGEM_SPD_10;
+		dp->full_duplex = dp->anadv_10fdx;
+	}
+}
+
+static uint16_t
+usbgem_mii_read(struct usbgem_dev *dp, uint_t reg, int *errp)
+{
+	uint16_t	val;
+
+	sema_p(&dp->hal_op_lock);
+	val = (*dp->ugc.usbgc_mii_read)(dp, reg, errp);
+	sema_v(&dp->hal_op_lock);
+
+	return (val);
+}
+
+static void
+usbgem_mii_write(struct usbgem_dev *dp, uint_t reg, uint16_t val, int *errp)
+{
+	sema_p(&dp->hal_op_lock);
+	(*dp->ugc.usbgc_mii_write)(dp, reg, val, errp);
+	sema_v(&dp->hal_op_lock);
+}
+
+static int
+usbgem_mii_probe(struct usbgem_dev *dp)
+{
+	int	err;
+
+	err = (*dp->ugc.usbgc_mii_probe)(dp);
+	return (err);
+}
+
+static int
+usbgem_mii_init(struct usbgem_dev *dp)
+{
+	int	err;
+
+	err = (*dp->ugc.usbgc_mii_init)(dp);
+	return (err);
+}
+
+#define	fc_cap_decode(x)	\
+	((((x) & MII_ABILITY_PAUSE) != 0 ? 1 : 0) |	\
+	(((x) & MII_ABILITY_ASM_DIR) != 0 ? 2 : 0))
+
+int
+usbgem_mii_config_default(struct usbgem_dev *dp, int *errp)
+{
+	uint16_t	mii_stat;
+	uint16_t	val;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/*
+	 * Configure bits in advertisement register
+	 */
+	mii_stat = dp->mii_status;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: MII_STATUS reg:%b",
+	    dp->name, __func__, mii_stat, MII_STATUS_BITS));
+
+	if ((mii_stat & MII_STATUS_ABILITY_TECH) == 0) {
+		/* it's funny */
+		cmn_err(CE_WARN, "!%s: wrong ability bits: mii_status:%b",
+		    dp->name, mii_stat, MII_STATUS_BITS);
+		return (USB_FAILURE);
+	}
+
+	/* Do not change the rest of ability bits in advert reg */
+	val = usbgem_mii_read(dp, MII_AN_ADVERT, errp) & ~MII_ABILITY_ALL;
+	if (*errp != USB_SUCCESS) {
+		goto usberr;
+	}
+
+	DPRINTF(0, (CE_CONT,
+	    "!%s: %s: 100T4:%d 100F:%d 100H:%d 10F:%d 10H:%d",
+	    dp->name, __func__,
+	    dp->anadv_100t4, dp->anadv_100fdx, dp->anadv_100hdx,
+	    dp->anadv_10fdx, dp->anadv_10hdx));
+
+	/* set technology bits */
+	if (dp->anadv_100t4) {
+		val |= MII_ABILITY_100BASE_T4;
+	}
+	if (dp->anadv_100fdx) {
+		val |= MII_ABILITY_100BASE_TX_FD;
+	}
+	if (dp->anadv_100hdx) {
+		val |= MII_ABILITY_100BASE_TX;
+	}
+	if (dp->anadv_10fdx) {
+		val |= MII_ABILITY_10BASE_T_FD;
+	}
+	if (dp->anadv_10hdx) {
+		val |= MII_ABILITY_10BASE_T;
+	}
+
+	/* set flow control capabilities */
+	if (dp->anadv_pause) {
+		val |= MII_ABILITY_PAUSE;
+	}
+	if (dp->anadv_asmpause) {
+		val |= MII_ABILITY_ASM_DIR;
+	}
+
+	DPRINTF(0, (CE_CONT,
+	    "!%s: %s: setting MII_AN_ADVERT reg:%b, pause:%d, asmpause:%d",
+	    dp->name, __func__, val, MII_ABILITY_BITS,
+	    dp->anadv_pause, dp->anadv_asmpause));
+
+	usbgem_mii_write(dp, MII_AN_ADVERT, val, errp);
+	if (*errp != USB_SUCCESS) {
+		goto usberr;
+	}
+
+	if (dp->mii_status & MII_STATUS_XSTATUS) {
+		/*
+		 * 1000Base-T GMII support
+		 */
+		if (!dp->anadv_autoneg) {
+			/* enable manual configuration */
+			val = MII_1000TC_CFG_EN;
+			if (dp->anadv_1000t_ms == 2) {
+				val |= MII_1000TC_CFG_VAL;
+			}
+		} else {
+			val = 0;
+			if (dp->anadv_1000fdx) {
+				val |= MII_1000TC_ADV_FULL;
+			}
+			if (dp->anadv_1000hdx) {
+				val |= MII_1000TC_ADV_HALF;
+			}
+			switch (dp->anadv_1000t_ms) {
+			case 1:
+				/* slave */
+				val |= MII_1000TC_CFG_EN;
+				break;
+
+			case 2:
+				/* master */
+				val |= MII_1000TC_CFG_EN | MII_1000TC_CFG_VAL;
+				break;
+
+			default:
+				/* auto: do nothing */
+				break;
+			}
+		}
+		DPRINTF(0, (CE_CONT,
+		    "!%s: %s: setting MII_1000TC reg:%b",
+		    dp->name, __func__, val, MII_1000TC_BITS));
+
+		usbgem_mii_write(dp, MII_1000TC, val, errp);
+		if (*errp != USB_SUCCESS) {
+			goto usberr;
+		}
+	}
+	return (USB_SUCCESS);
+
+usberr:
+	return (*errp);
+}
+
+static char *usbgem_fc_type[] = {
+	"without",
+	"with symmetric",
+	"with tx",
+	"with rx",
+};
+
+#ifdef USBGEM_CONFIG_GLDv3
+#define	USBGEM_LINKUP(dp)	mac_link_update((dp)->mh, LINK_STATE_UP)
+#define	USBGEM_LINKDOWN(dp)	mac_link_update((dp)->mh, LINK_STATE_DOWN)
+#else
+#define	USBGEM_LINKUP(dp)	\
+	if (gld_linkstate) {	\
+		gld_linkstate((dp)->macinfo, GLD_LINKSTATE_UP);	\
+	}
+#define	USBGEM_LINKDOWN(dp)	\
+	if (gld_linkstate) {	\
+		gld_linkstate((dp)->macinfo, GLD_LINKSTATE_DOWN);	\
+	}
+#endif
+
+static uint8_t usbgem_fc_result[4 /* my cap */][4 /* lp cap */] = {
+/*	 none	symm	tx	rx/symm */
+/* none */
+	{FLOW_CONTROL_NONE,
+		FLOW_CONTROL_NONE,
+			FLOW_CONTROL_NONE,
+				FLOW_CONTROL_NONE},
+/* sym */
+	{FLOW_CONTROL_NONE,
+		FLOW_CONTROL_SYMMETRIC,
+			FLOW_CONTROL_NONE,
+				FLOW_CONTROL_SYMMETRIC},
+/* tx */
+	{FLOW_CONTROL_NONE,
+		FLOW_CONTROL_NONE,
+			FLOW_CONTROL_NONE,
+				FLOW_CONTROL_TX_PAUSE},
+/* rx/symm */
+	{FLOW_CONTROL_NONE,
+		FLOW_CONTROL_SYMMETRIC,
+			FLOW_CONTROL_RX_PAUSE,
+				FLOW_CONTROL_SYMMETRIC},
+};
+
+static boolean_t
+usbgem_mii_link_check(struct usbgem_dev *dp, int *oldstatep, int *newstatep)
+{
+	boolean_t	tx_sched = B_FALSE;
+	uint16_t	status;
+	uint16_t	advert;
+	uint16_t	lpable;
+	uint16_t	exp;
+	uint16_t	ctl1000;
+	uint16_t	stat1000;
+	uint16_t	val;
+	clock_t		now;
+	clock_t		diff;
+	int		linkdown_action;
+	boolean_t	fix_phy = B_FALSE;
+	int		err;
+	uint_t		rwlock;
+
+	DPRINTF(4, (CE_CONT, "!%s: %s: time:%d state:%d",
+	    dp->name, __func__, ddi_get_lbolt(), dp->mii_state));
+
+	if (dp->mii_state != MII_STATE_LINKUP) {
+		rwlock = RW_WRITER;
+	} else {
+		rwlock = RW_READER;
+	}
+again:
+	rw_enter(&dp->dev_state_lock, rwlock);
+
+	/* save old mii state */
+	*oldstatep = dp->mii_state;
+
+	if (dp->mac_state == MAC_STATE_DISCONNECTED) {
+		/* stop periodic execution of the link watcher */
+		dp->mii_interval = 0;
+		tx_sched = B_FALSE;
+		goto next;
+	}
+
+	now = ddi_get_lbolt();
+	diff = now - dp->mii_last_check;
+	dp->mii_last_check = now;
+
+	/*
+	 * For NWAM, don't show linkdown state right
+	 * when the device is attached.
+	 */
+	if (dp->linkup_delay > 0) {
+		if (dp->linkup_delay > diff) {
+			dp->linkup_delay -= diff;
+		} else {
+			/* link up timeout */
+			dp->linkup_delay = -1;
+		}
+	}
+
+next_nowait:
+	switch (dp->mii_state) {
+	case MII_STATE_UNKNOWN:
+		goto reset_phy;
+
+	case MII_STATE_RESETTING:
+		dp->mii_timer -= diff;
+		if (dp->mii_timer > 0) {
+			/* don't read phy registers in resetting */
+			dp->mii_interval = WATCH_INTERVAL_FAST;
+			goto next;
+		}
+
+		val = usbgem_mii_read(dp, MII_CONTROL, &err);
+		if (err != USB_SUCCESS) {
+			goto usberr;
+		}
+		if (val & MII_CONTROL_RESET) {
+			cmn_err(CE_NOTE,
+			    "!%s: time:%ld resetting phy not complete."
+			    " mii_control:0x%b",
+			    dp->name, ddi_get_lbolt(),
+			    val, MII_CONTROL_BITS);
+		}
+
+		/* ensure neither isolated nor pwrdown nor auto-nego mode */
+		usbgem_mii_write(dp, MII_CONTROL, 0, &err);
+		if (err != USB_SUCCESS) {
+			goto usberr;
+		}
+#if USBGEM_DEBUG_LEVEL > 10
+		val = usbgem_mii_read(dp, MII_CONTROL, &err);
+		cmn_err(CE_CONT, "!%s: readback control %b",
+		    dp->name, val, MII_CONTROL_BITS);
+#endif
+		/* As resetting PHY has completed, configure PHY registers */
+		if ((*dp->ugc.usbgc_mii_config)(dp, &err) != USB_SUCCESS) {
+			/* we failed to configure PHY */
+			goto usberr;
+		}
+
+		/* prepare for forced mode */
+		usbgem_choose_forcedmode(dp);
+
+		dp->mii_lpable = 0;
+		dp->mii_advert = 0;
+		dp->mii_exp = 0;
+		dp->mii_ctl1000 = 0;
+		dp->mii_stat1000 = 0;
+
+		dp->flow_control = FLOW_CONTROL_NONE;
+
+		if (!dp->anadv_autoneg) {
+			/* skip auto-negotiation phase */
+			dp->mii_state = MII_STATE_MEDIA_SETUP;
+			dp->mii_timer = dp->ugc.usbgc_mii_linkdown_timeout;
+			goto next_nowait;
+		}
+
+		/* issue an auto-negotiation command */
+		goto autonego;
+
+	case MII_STATE_AUTONEGOTIATING:
+		/*
+		 * Autonegotiation in progress
+		 */
+		dp->mii_timer -= diff;
+		if (dp->mii_timer -
+		    (dp->ugc.usbgc_mii_an_timeout - dp->ugc.usbgc_mii_an_wait)
+		    > 0) {
+			/* wait for minimum time (2.3 - 2.5 sec) */
+			dp->mii_interval = WATCH_INTERVAL_FAST;
+			goto next;
+		}
+
+		/* read PHY status */
+		status = usbgem_mii_read(dp, MII_STATUS, &err);
+		if (err != USB_SUCCESS) {
+			goto usberr;
+		}
+		DPRINTF(4, (CE_CONT,
+		    "!%s: %s: called: mii_state:%d MII_STATUS reg:%b",
+		    dp->name, __func__, dp->mii_state,
+		    status, MII_STATUS_BITS));
+
+		if (status & MII_STATUS_REMFAULT) {
+			/*
+			 * The link parnert told me something wrong happend.
+			 * What do we do ?
+			 */
+			cmn_err(CE_CONT,
+			    "!%s: auto-negotiation failed: remote fault",
+			    dp->name);
+			goto autonego;
+		}
+
+		if ((status & MII_STATUS_ANDONE) == 0) {
+			if (dp->mii_timer <= 0) {
+				/*
+				 * Auto-negotiation has been timed out,
+				 * Reset PHY and try again.
+				 */
+				if (!dp->mii_supress_msg) {
+					cmn_err(CE_WARN,
+					    "!%s: auto-negotiation failed:"
+					    " timeout",
+					    dp->name);
+					dp->mii_supress_msg = B_TRUE;
+				}
+				goto autonego;
+			}
+			/*
+			 * Auto-negotiation is in progress. Wait for a while.
+			 */
+			dp->mii_interval = dp->ugc.usbgc_mii_an_watch_interval;
+			goto next;
+		}
+
+		/*
+		 * Auto-negotiation has been completed. Let's go to AN_DONE.
+		 */
+		dp->mii_state = MII_STATE_AN_DONE;
+		dp->mii_supress_msg = B_FALSE;
+		DPRINTF(0, (CE_CONT,
+		    "!%s: auto-negotiation completed, MII_STATUS:%b",
+		    dp->name, status, MII_STATUS_BITS));
+
+		if (dp->ugc.usbgc_mii_an_delay > 0) {
+			dp->mii_timer = dp->ugc.usbgc_mii_an_delay;
+			dp->mii_interval = drv_usectohz(20*1000);
+			goto next;
+		}
+
+		dp->mii_timer = 0;
+		diff = 0;
+		goto next_nowait;
+
+	case MII_STATE_AN_DONE:
+		/*
+		 * Auto-negotiation has done. Now we can set up media.
+		 */
+		dp->mii_timer -= diff;
+		if (dp->mii_timer > 0) {
+			/* wait for a while */
+			dp->mii_interval = WATCH_INTERVAL_FAST;
+			goto next;
+		}
+
+		/*
+		 * Setup speed and duplex mode according with
+		 * the result of auto negotiation.
+		 */
+
+		/*
+		 * Read registers required to determin current
+		 * duplex mode and media speed.
+		 */
+		if (dp->ugc.usbgc_mii_an_delay > 0) {
+			/* the 'status' variable is not initialized yet */
+			status = usbgem_mii_read(dp, MII_STATUS, &err);
+			if (err != USB_SUCCESS) {
+				goto usberr;
+			}
+		}
+		advert = usbgem_mii_read(dp, MII_AN_ADVERT, &err);
+		if (err != USB_SUCCESS) {
+			goto usberr;
+		}
+		lpable = usbgem_mii_read(dp, MII_AN_LPABLE, &err);
+		if (err != USB_SUCCESS) {
+			goto usberr;
+		}
+		exp = usbgem_mii_read(dp, MII_AN_EXPANSION, &err);
+		if (err != USB_SUCCESS) {
+			goto usberr;
+		}
+		if (exp == 0xffff) {
+			/* some phys don't have exp register */
+			exp = 0;
+		}
+
+		ctl1000 = 0;
+		stat1000 = 0;
+		if (dp->mii_status & MII_STATUS_XSTATUS) {
+			ctl1000 = usbgem_mii_read(dp, MII_1000TC, &err);
+			if (err != USB_SUCCESS) {
+				goto usberr;
+			}
+			stat1000 = usbgem_mii_read(dp, MII_1000TS, &err);
+			if (err != USB_SUCCESS) {
+				goto usberr;
+			}
+		}
+		dp->mii_lpable = lpable;
+		dp->mii_advert = advert;
+		dp->mii_exp = exp;
+		dp->mii_ctl1000 = ctl1000;
+		dp->mii_stat1000 = stat1000;
+
+		cmn_err(CE_CONT,
+		    "!%s: auto-negotiation done: "
+		    "status:%b, advert:%b, lpable:%b, exp:%b",
+		    dp->name,
+		    status, MII_STATUS_BITS,
+		    advert, MII_ABILITY_BITS,
+		    lpable, MII_ABILITY_BITS,
+		    exp, MII_AN_EXP_BITS);
+
+		DPRINTF(0, (CE_CONT, "!%s: MII_STATUS:%b",
+		    dp->name, status, MII_STATUS_BITS));
+
+		if (dp->mii_status & MII_STATUS_XSTATUS) {
+			cmn_err(CE_CONT,
+			    "! MII_1000TC reg:%b, MII_1000TS reg:%b",
+			    ctl1000, MII_1000TC_BITS,
+			    stat1000, MII_1000TS_BITS);
+		}
+
+		if (usbgem_population(lpable) <= 1 &&
+		    (exp & MII_AN_EXP_LPCANAN) == 0) {
+			if ((advert & MII_ABILITY_TECH) != lpable) {
+				cmn_err(CE_WARN,
+				    "!%s: but the link partner doesn't seem"
+				    " to have auto-negotiation capability."
+				    " please check the link configuration.",
+				    dp->name);
+			}
+			/*
+			 * it should be a result of pararell detection,
+			 * which cannot detect duplex mode.
+			 */
+			if ((advert & lpable) == 0 &&
+			    lpable & MII_ABILITY_10BASE_T) {
+				/* no common technology, try 10M half mode */
+				lpable |= advert & MII_ABILITY_10BASE_T;
+				fix_phy = B_TRUE;
+			}
+		} else if (lpable == 0) {
+			cmn_err(CE_WARN, "!%s: wrong lpable.", dp->name);
+			goto reset_phy;
+		}
+		/*
+		 * configure current link mode according to AN priority.
+		 */
+		val = advert & lpable;
+		if ((ctl1000 & MII_1000TC_ADV_FULL) &&
+		    (stat1000 & MII_1000TS_LP_FULL)) {
+			/* 1000BaseT & full duplex */
+			dp->speed = USBGEM_SPD_1000;
+			dp->full_duplex = B_TRUE;
+		} else if ((ctl1000 & MII_1000TC_ADV_HALF) &&
+		    (stat1000 & MII_1000TS_LP_HALF)) {
+			/* 1000BaseT & half duplex */
+			dp->speed = USBGEM_SPD_1000;
+			dp->full_duplex = B_FALSE;
+		} else if ((val & MII_ABILITY_100BASE_TX_FD)) {
+			/* 100BaseTx & fullduplex */
+			dp->speed = USBGEM_SPD_100;
+			dp->full_duplex = B_TRUE;
+		} else if ((val & MII_ABILITY_100BASE_T4)) {
+			/* 100BaseTx & fullduplex */
+			dp->speed = USBGEM_SPD_100;
+			dp->full_duplex = B_TRUE;
+		} else if ((val & MII_ABILITY_100BASE_TX)) {
+			/* 100BaseTx & half duplex */
+			dp->speed = USBGEM_SPD_100;
+			dp->full_duplex = B_FALSE;
+		} else if ((val & MII_ABILITY_10BASE_T_FD)) {
+			/* 10BaseT & full duplex */
+			dp->speed = USBGEM_SPD_10;
+			dp->full_duplex = B_TRUE;
+		} else if ((val & MII_ABILITY_10BASE_T)) {
+			/* 10BaseT & half duplex */
+			dp->speed = USBGEM_SPD_10;
+			dp->full_duplex = B_FALSE;
+		} else {
+			/*
+			 * the link partner doesn't seem to have
+			 * auto-negotiation capability and our PHY
+			 * could not report current mode correctly.
+			 * We guess current mode by mii_control register.
+			 */
+			val = usbgem_mii_read(dp, MII_CONTROL, &err);
+			if (err != USB_SUCCESS) {
+				goto usberr;
+			}
+
+			/* select 100m half or 10m half */
+			dp->speed = (val & MII_CONTROL_100MB) ?
+			    USBGEM_SPD_100 : USBGEM_SPD_10;
+			dp->full_duplex = B_FALSE;
+			fix_phy = B_TRUE;
+
+			cmn_err(CE_NOTE,
+			    "!%s: auto-negotiation done but "
+			    "common ability not found.\n"
+			    "PHY state: control:%b advert:%b lpable:%b\n"
+			    "guessing %d Mbps %s duplex mode",
+			    dp->name,
+			    val, MII_CONTROL_BITS,
+			    advert, MII_ABILITY_BITS,
+			    lpable, MII_ABILITY_BITS,
+			    usbgem_speed_value[dp->speed],
+			    dp->full_duplex ? "full" : "half");
+		}
+
+		if (dp->full_duplex) {
+			dp->flow_control =
+			    usbgem_fc_result[fc_cap_decode(advert)]
+			    [fc_cap_decode(lpable)];
+		} else {
+			dp->flow_control = FLOW_CONTROL_NONE;
+		}
+		dp->mii_state = MII_STATE_MEDIA_SETUP;
+		dp->mii_timer = dp->ugc.usbgc_mii_linkdown_timeout;
+		goto next_nowait;
+
+	case MII_STATE_MEDIA_SETUP:
+		DPRINTF(2, (CE_CONT, "!%s: setup midia mode", dp->name));
+
+		/* assume the link state is down */
+		dp->mii_state = MII_STATE_LINKDOWN;
+		dp->mii_supress_msg = B_FALSE;
+
+		/* use short interval */
+		dp->mii_interval = WATCH_INTERVAL_FAST;
+
+		if ((!dp->anadv_autoneg) ||
+		    dp->ugc.usbgc_mii_an_oneshot || fix_phy) {
+
+			/*
+			 * write the result of auto negotiation back.
+			 */
+			val = usbgem_mii_read(dp, MII_CONTROL, &err);
+			if (err != USB_SUCCESS) {
+				goto usberr;
+			}
+			val &= ~(MII_CONTROL_SPEED | MII_CONTROL_FDUPLEX |
+			    MII_CONTROL_ANE   | MII_CONTROL_RSAN);
+
+			if (dp->full_duplex) {
+				val |= MII_CONTROL_FDUPLEX;
+			}
+
+			switch (dp->speed) {
+			case USBGEM_SPD_1000:
+				val |= MII_CONTROL_1000MB;
+				break;
+
+			case USBGEM_SPD_100:
+				val |= MII_CONTROL_100MB;
+				break;
+
+			default:
+				cmn_err(CE_WARN, "%s: unknown speed:%d",
+				    dp->name, dp->speed);
+				/* FALLTHROUGH */
+
+			case USBGEM_SPD_10:
+				/* for USBGEM_SPD_10, do nothing */
+				break;
+			}
+
+			if (dp->mii_status & MII_STATUS_XSTATUS) {
+				usbgem_mii_write(dp,
+				    MII_1000TC, MII_1000TC_CFG_EN, &err);
+				if (err != USB_SUCCESS) {
+					goto usberr;
+				}
+			}
+			usbgem_mii_write(dp, MII_CONTROL, val, &err);
+			if (err != USB_SUCCESS) {
+				goto usberr;
+			}
+		}
+		/*
+		 * XXX -- nic state should be one of
+		 * NIC_STATE_DISCONNECTED
+		 * NIC_STATE_STOPPED
+		 * NIC_STATE_INITIALIZED
+		 * NIC_STATE_ONLINE
+		 */
+		if (dp->nic_state >= NIC_STATE_INITIALIZED) {
+			/* notify the result of autonegotiation to mac */
+			if (usbgem_hal_set_media(dp) != USB_SUCCESS) {
+				goto usberr;
+			}
+		}
+		goto next_nowait;
+
+	case MII_STATE_LINKDOWN:
+		status = usbgem_mii_read(dp, MII_STATUS, &err);
+		if (err != USB_SUCCESS) {
+			goto usberr;
+		}
+		if (status & MII_STATUS_LINKUP) {
+			/*
+			 * Link is going up
+			 */
+			dp->mii_state = MII_STATE_LINKUP;
+			dp->mii_supress_msg = B_FALSE;
+
+			DPRINTF(0, (CE_CONT,
+			    "!%s: link up detected: status:%b",
+			    dp->name, status, MII_STATUS_BITS));
+
+			/*
+			 * MII_CONTROL_100MB and  MII_CONTROL_FDUPLEX are
+			 * ignored when MII_CONTROL_ANE is set.
+			 */
+			cmn_err(CE_CONT,
+			    "!%s: Link up: %d Mbps %s duplex %s flow control",
+			    dp->name,
+			    usbgem_speed_value[dp->speed],
+			    dp->full_duplex ? "full" : "half",
+			    usbgem_fc_type[dp->flow_control]);
+
+			dp->mii_interval =
+			    dp->ugc.usbgc_mii_link_watch_interval;
+
+			if (dp->ugc.usbgc_mii_hw_link_detection &&
+			    dp->nic_state == NIC_STATE_ONLINE) {
+				dp->mii_interval = 0;
+			}
+
+			if (dp->nic_state == NIC_STATE_ONLINE) {
+				if (dp->mac_state == MAC_STATE_INITIALIZED) {
+					(void) usbgem_mac_start(dp);
+				}
+				tx_sched = B_TRUE;
+			}
+
+			goto next;
+		}
+
+		dp->mii_supress_msg = B_TRUE;
+		if (dp->anadv_autoneg) {
+			dp->mii_timer -= diff;
+			if (dp->mii_timer <= 0) {
+				/*
+				 * the link down timer expired.
+				 * need to restart auto-negotiation.
+				 */
+				linkdown_action =
+				    dp->ugc.usbgc_mii_linkdown_timeout_action;
+				goto restart_autonego;
+			}
+		}
+		/* don't change mii_state */
+		goto next;
+
+	case MII_STATE_LINKUP:
+		if (rwlock == RW_READER) {
+			/* first pass, read mii status */
+			status = usbgem_mii_read(dp, MII_STATUS, &err);
+			if (err != USB_SUCCESS) {
+				goto usberr;
+			}
+		}
+		if ((status & MII_STATUS_LINKUP) == 0) {
+			/*
+			 * Link is going down
+			 */
+			cmn_err(CE_NOTE,
+			    "!%s: link down detected: status:%b",
+			    dp->name, status, MII_STATUS_BITS);
+			/*
+			 * Acquire exclusive lock to change mii_state
+			 */
+			if (rwlock == RW_READER) {
+				rwlock = RW_WRITER;
+				rw_exit(&dp->dev_state_lock);
+				goto again;
+			}
+
+			dp->mii_state = MII_STATE_LINKDOWN;
+			dp->mii_timer = dp->ugc.usbgc_mii_linkdown_timeout;
+
+			/*
+			 * As we may change the state of the device,
+			 * let us acquire exclusive lock for the state.
+			 */
+			if (dp->nic_state == NIC_STATE_ONLINE &&
+			    dp->mac_state == MAC_STATE_ONLINE &&
+			    dp->ugc.usbgc_mii_stop_mac_on_linkdown) {
+				(void) usbgem_restart_nic(dp);
+				/* drain tx */
+				tx_sched = B_TRUE;
+			}
+
+			if (dp->anadv_autoneg) {
+				/* need to restart auto-negotiation */
+				linkdown_action =
+				    dp->ugc.usbgc_mii_linkdown_action;
+				goto restart_autonego;
+			}
+			/*
+			 * don't use hw link down detection until the link
+			 * status become stable for a while.
+			 */
+			dp->mii_interval =
+			    dp->ugc.usbgc_mii_link_watch_interval;
+
+			goto next;
+		}
+
+		/*
+		 * still link up, no need to change mii_state
+		 */
+		if (dp->ugc.usbgc_mii_hw_link_detection &&
+		    dp->nic_state == NIC_STATE_ONLINE) {
+			/*
+			 * no need to check link status periodicly
+			 * if nic can generate interrupts when link go down.
+			 */
+			dp->mii_interval = 0;
+		}
+		goto next;
+	}
+	/* NOTREACHED */
+	cmn_err(CE_PANIC, "!%s: %s: not reached", dp->name, __func__);
+
+	/*
+	 * Actions for new state.
+	 */
+restart_autonego:
+	switch (linkdown_action) {
+	case MII_ACTION_RESET:
+		if (!dp->mii_supress_msg) {
+			cmn_err(CE_CONT, "!%s: resetting PHY", dp->name);
+		}
+		dp->mii_supress_msg = B_TRUE;
+		goto reset_phy;
+
+	case MII_ACTION_NONE:
+		dp->mii_supress_msg = B_TRUE;
+		if (dp->ugc.usbgc_mii_an_oneshot) {
+			goto autonego;
+		}
+		/* PHY will restart autonego automatically */
+		dp->mii_state = MII_STATE_AUTONEGOTIATING;
+		dp->mii_timer = dp->ugc.usbgc_mii_an_timeout;
+		dp->mii_interval = dp->ugc.usbgc_mii_an_watch_interval;
+		goto next;
+
+	case MII_ACTION_RSA:
+		if (!dp->mii_supress_msg) {
+			cmn_err(CE_CONT, "!%s: restarting auto-negotiation",
+			    dp->name);
+		}
+		dp->mii_supress_msg = B_TRUE;
+		goto autonego;
+
+	default:
+		cmn_err(CE_PANIC, "!%s: unknowm linkdown action: %d",
+		    dp->name, dp->ugc.usbgc_mii_linkdown_action);
+		dp->mii_supress_msg = B_TRUE;
+	}
+	/* NOTREACHED */
+
+reset_phy:
+	if (!dp->mii_supress_msg) {
+		cmn_err(CE_CONT, "!%s: resetting PHY", dp->name);
+	}
+	dp->mii_state = MII_STATE_RESETTING;
+	dp->mii_timer = dp->ugc.usbgc_mii_reset_timeout;
+	if (!dp->ugc.usbgc_mii_dont_reset) {
+		usbgem_mii_write(dp, MII_CONTROL, MII_CONTROL_RESET, &err);
+		if (err != USB_SUCCESS) {
+			goto usberr;
+		}
+	}
+	dp->mii_interval = WATCH_INTERVAL_FAST;
+	goto next;
+
+autonego:
+	if (!dp->mii_supress_msg) {
+		cmn_err(CE_CONT, "!%s: auto-negotiation started", dp->name);
+	}
+	dp->mii_state = MII_STATE_AUTONEGOTIATING;
+	dp->mii_timer = dp->ugc.usbgc_mii_an_timeout;
+
+	/* start/restart autoneg */
+	val = usbgem_mii_read(dp, MII_CONTROL, &err) &
+	    ~(MII_CONTROL_ISOLATE | MII_CONTROL_PWRDN | MII_CONTROL_RESET);
+	if (err != USB_SUCCESS) {
+		goto usberr;
+	}
+	if (val & MII_CONTROL_ANE) {
+		val |= MII_CONTROL_RSAN;
+	}
+	usbgem_mii_write(dp, MII_CONTROL,
+	    val | dp->ugc.usbgc_mii_an_cmd | MII_CONTROL_ANE, &err);
+	if (err != USB_SUCCESS) {
+		goto usberr;
+	}
+
+	dp->mii_interval = dp->ugc.usbgc_mii_an_watch_interval;
+	goto next;
+
+usberr:
+	dp->mii_state = MII_STATE_UNKNOWN;
+	dp->mii_interval = dp->ugc.usbgc_mii_link_watch_interval;
+	tx_sched = B_TRUE;
+
+next:
+	*newstatep = dp->mii_state;
+	rw_exit(&dp->dev_state_lock);
+	return (tx_sched);
+}
+
+static void
+usbgem_mii_link_watcher(struct usbgem_dev *dp)
+{
+	int		old_mii_state;
+	int		new_mii_state;
+	boolean_t	tx_sched;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	for (; ; ) {
+
+		mutex_enter(&dp->link_watcher_lock);
+		if (dp->mii_interval) {
+			(void) cv_timedwait(&dp->link_watcher_wait_cv,
+			    &dp->link_watcher_lock,
+			    dp->mii_interval + ddi_get_lbolt());
+		} else {
+			cv_wait(&dp->link_watcher_wait_cv,
+			    &dp->link_watcher_lock);
+		}
+		mutex_exit(&dp->link_watcher_lock);
+
+		if (dp->link_watcher_stop) {
+			break;
+		}
+
+		/* we block callbacks from disconnect/suspend and restart */
+		tx_sched = usbgem_mii_link_check(dp,
+		    &old_mii_state, &new_mii_state);
+
+		/*
+		 * gld v2 notifier functions are not able to
+		 * be called with any locks in this layer.
+		 */
+		if (tx_sched) {
+			/* kick potentially stopped downstream */
+#ifdef USBGEM_CONFIG_GLDv3
+			mac_tx_update(dp->mh);
+#else
+			gld_sched(dp->macinfo);
+#endif
+		}
+
+		if (old_mii_state != new_mii_state) {
+			/* notify new mii link state */
+			if (new_mii_state == MII_STATE_LINKUP) {
+				dp->linkup_delay = 0;
+				USBGEM_LINKUP(dp);
+			} else if (dp->linkup_delay <= 0) {
+				USBGEM_LINKDOWN(dp);
+			}
+		} else if (dp->linkup_delay < 0) {
+			/* first linkup timeout */
+			dp->linkup_delay = 0;
+			USBGEM_LINKDOWN(dp);
+		}
+	}
+
+	thread_exit();
+}
+
+void
+usbgem_mii_update_link(struct usbgem_dev *dp)
+{
+	cv_signal(&dp->link_watcher_wait_cv);
+}
+
+int
+usbgem_mii_probe_default(struct usbgem_dev *dp)
+{
+	int		phy;
+	uint16_t	status;
+	uint16_t	xstatus;
+	int		err;
+	uint16_t	adv;
+	uint16_t	adv_org;
+
+	DPRINTF(3, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/*
+	 * Scan PHY
+	 */
+	dp->mii_status = 0;
+
+	/* Try default phy first */
+	if (dp->mii_phy_addr) {
+		status = usbgem_mii_read(dp, MII_STATUS, &err);
+		if (err != USB_SUCCESS) {
+			goto usberr;
+		}
+		if (status != 0xffff && status != 0x0000) {
+			goto PHY_found;
+		}
+
+		if (dp->mii_phy_addr < 0) {
+			cmn_err(CE_NOTE,
+		    "!%s: failed to probe default internal and/or non-MII PHY",
+			    dp->name);
+			return (USB_FAILURE);
+		}
+
+		cmn_err(CE_NOTE,
+		    "!%s: failed to probe default MII PHY at %d",
+		    dp->name, dp->mii_phy_addr);
+	}
+
+	/* Try all possible address */
+	for (phy = dp->ugc.usbgc_mii_addr_min; phy < 32; phy++) {
+		dp->mii_phy_addr = phy;
+		status = usbgem_mii_read(dp, MII_STATUS, &err);
+		if (err != USB_SUCCESS) {
+			DPRINTF(0, (CE_CONT,
+			    "!%s: %s: mii_read(status) failed",
+			    dp->name, __func__));
+			goto usberr;
+		}
+
+		if (status != 0xffff && status != 0x0000) {
+			usbgem_mii_write(dp, MII_CONTROL, 0, &err);
+			if (err != USB_SUCCESS) {
+				DPRINTF(0, (CE_CONT,
+				    "!%s: %s: mii_write(control) failed",
+				    dp->name, __func__));
+				goto usberr;
+			}
+			goto PHY_found;
+		}
+	}
+	for (phy = dp->ugc.usbgc_mii_addr_min; phy < 32; phy++) {
+		dp->mii_phy_addr = phy;
+		usbgem_mii_write(dp, MII_CONTROL, 0, &err);
+		if (err != USB_SUCCESS) {
+			DPRINTF(0, (CE_CONT,
+			    "!%s: %s: mii_write(control) failed",
+			    dp->name, __func__));
+			goto usberr;
+		}
+		status = usbgem_mii_read(dp, MII_STATUS, &err);
+		if (err != USB_SUCCESS) {
+			DPRINTF(0, (CE_CONT,
+			    "!%s: %s: mii_read(status) failed",
+			    dp->name, __func__));
+			goto usberr;
+		}
+
+		if (status != 0xffff && status != 0) {
+			goto PHY_found;
+		}
+	}
+
+	cmn_err(CE_NOTE, "!%s: no MII PHY found", dp->name);
+	return (USB_FAILURE);
+
+PHY_found:
+	dp->mii_status = status;
+	dp->mii_status_ro = ~status;
+	dp->mii_phy_id = usbgem_mii_read(dp, MII_PHYIDH, &err) << 16;
+	if (err != USB_SUCCESS) {
+		DPRINTF(0, (CE_CONT,
+		    "!%s: %s: mii_read(PHYIDH) failed",
+		    dp->name, __func__));
+		goto usberr;
+	}
+	dp->mii_phy_id |= usbgem_mii_read(dp, MII_PHYIDL, &err);
+	if (err != USB_SUCCESS) {
+		DPRINTF(0, (CE_CONT,
+		    "!%s: %s: mii_read(PHYIDL) failed",
+		    dp->name, __func__));
+		goto usberr;
+	}
+
+	if (dp->mii_phy_addr < 0) {
+		cmn_err(CE_CONT, "!%s: using internal/non-MII PHY(0x%08x)",
+		    dp->name, dp->mii_phy_id);
+	} else {
+		cmn_err(CE_CONT, "!%s: MII PHY (0x%08x) found at %d",
+		    dp->name, dp->mii_phy_id, dp->mii_phy_addr);
+	}
+
+	cmn_err(CE_CONT,
+	    "!%s: PHY control:%b, status:%b, advert:%b, lpar:%b, exp:%b",
+	    dp->name,
+	    usbgem_mii_read(dp, MII_CONTROL, &err), MII_CONTROL_BITS,
+	    status, MII_STATUS_BITS,
+	    usbgem_mii_read(dp, MII_AN_ADVERT, &err), MII_ABILITY_BITS,
+	    usbgem_mii_read(dp, MII_AN_LPABLE, &err), MII_ABILITY_BITS,
+	    usbgem_mii_read(dp, MII_AN_EXPANSION, &err), MII_AN_EXP_BITS);
+
+	dp->mii_xstatus = 0;
+	if (status & MII_STATUS_XSTATUS) {
+		dp->mii_xstatus = usbgem_mii_read(dp, MII_XSTATUS, &err);
+
+		cmn_err(CE_CONT, "!%s: xstatus:%b",
+		    dp->name, dp->mii_xstatus, MII_XSTATUS_BITS);
+	}
+	dp->mii_xstatus_ro = ~dp->mii_xstatus;
+
+	/* check if the phy can advertize pause abilities */
+	adv_org = usbgem_mii_read(dp, MII_AN_ADVERT, &err);
+	if (err != USB_SUCCESS) {
+		goto usberr;
+	}
+
+	usbgem_mii_write(dp, MII_AN_ADVERT,
+	    MII_ABILITY_PAUSE | MII_ABILITY_ASM_DIR, &err);
+	if (err != USB_SUCCESS) {
+		goto usberr;
+	}
+
+	adv = usbgem_mii_read(dp, MII_AN_ADVERT, &err);
+	if (err != USB_SUCCESS) {
+		goto usberr;
+	}
+
+	if ((adv & MII_ABILITY_PAUSE) == 0) {
+		dp->ugc.usbgc_flow_control &= ~1;
+	}
+
+	if ((adv & MII_ABILITY_ASM_DIR) == 0) {
+		dp->ugc.usbgc_flow_control &= ~2;
+	}
+
+	usbgem_mii_write(dp, MII_AN_ADVERT, adv_org, &err);
+	if (err != USB_SUCCESS) {
+		goto usberr;
+	}
+	return (USB_SUCCESS);
+
+usberr:
+	return (USB_FAILURE);
+}
+
+int
+usbgem_mii_init_default(struct usbgem_dev *dp)
+{
+	/* ENPTY */
+	return (USB_SUCCESS);
+}
+
+static int
+usbgem_mii_start(struct usbgem_dev *dp)
+{
+	int	err;
+	kthread_t	*lwth;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/* make a first call of usbgem_mii_link_check() */
+	dp->link_watcher_stop = 0;
+	dp->mii_state = MII_STATE_UNKNOWN;
+	dp->mii_interval = drv_usectohz(1000*1000); /* 1sec */
+	dp->mii_last_check = ddi_get_lbolt();
+	dp->linkup_delay = 600 * drv_usectohz(1000*1000); /* 10 minutes */
+
+	lwth = thread_create(NULL, 0, usbgem_mii_link_watcher, dp, 0, &p0,
+	    TS_RUN, minclsyspri);
+	if (lwth == NULL) {
+		cmn_err(CE_WARN,
+		    "!%s: %s: failed to create a link watcher thread",
+		    dp->name, __func__);
+		return (USB_FAILURE);
+	}
+	dp->link_watcher_did = lwth->t_did;
+
+	return (USB_SUCCESS);
+}
+
+static void
+usbgem_mii_stop(struct usbgem_dev *dp)
+{
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/* Ensure timer routine stopped */
+	dp->link_watcher_stop = 1;
+	cv_signal(&dp->link_watcher_wait_cv);
+	thread_join(dp->link_watcher_did);
+}
+
+/* ============================================================== */
+/*
+ * internal mac register operation interface
+ */
+/* ============================================================== */
+/*
+ * usbgem_mac_init: cold start
+ */
+static int
+usbgem_mac_init(struct usbgem_dev *dp)
+{
+	int	err;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	if (dp->mac_state == MAC_STATE_DISCONNECTED) {
+		/* pretend we succeeded */
+		return (USB_SUCCESS);
+	}
+
+	ASSERT(dp->mac_state == MAC_STATE_STOPPED);
+
+	/* reset fatal error timestamp */
+	dp->fatal_error = (clock_t)0;
+
+	/* reset tx side state */
+	mutex_enter(&dp->txlock);
+	dp->tx_busy_cnt = 0;
+	dp->tx_max_packets = dp->ugc.usbgc_tx_list_max;
+	mutex_exit(&dp->txlock);
+
+	/* reset rx side state */
+	mutex_enter(&dp->rxlock);
+	dp->rx_busy_cnt = 0;
+	mutex_exit(&dp->rxlock);
+
+	err = usbgem_hal_init_chip(dp);
+	if (err == USB_SUCCESS) {
+		dp->mac_state = MAC_STATE_INITIALIZED;
+	}
+
+	return (err);
+}
+
+/*
+ * usbgem_mac_start: warm start
+ */
+static int
+usbgem_mac_start(struct usbgem_dev *dp)
+{
+	int	err;
+	int	i;
+	usb_flags_t	flags = 0;
+	usb_intr_req_t	*req;
+#ifdef USBGEM_DEBUG_LEVEL
+	usb_pipe_state_t	p_state;
+#endif
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	if (dp->mac_state == MAC_STATE_DISCONNECTED) {
+		/* do nothing but don't return failure */
+		return (USB_SUCCESS);
+	}
+
+	if (dp->mac_state != MAC_STATE_INITIALIZED) {
+		/* don't return failer */
+		DPRINTF(0, (CE_CONT,
+		    "!%s: %s: mac_state(%d) is not MAC_STATE_INITIALIZED",
+		    dp->name, __func__, dp->mac_state));
+		goto x;
+	}
+
+	dp->mac_state = MAC_STATE_ONLINE;
+
+	if (usbgem_hal_start_chip(dp) != USB_SUCCESS) {
+		cmn_err(CE_NOTE,
+		    "!%s: %s: usb error was detected during start_chip",
+		    dp->name, __func__);
+		goto x;
+	}
+
+#ifdef USBGEM_DEBUG_LEVEL
+	usb_pipe_get_state(dp->intr_pipe, &p_state, 0);
+	ASSERT(p_state == USB_PIPE_STATE_IDLE);
+#endif /* USBGEM_DEBUG_LEVEL */
+
+	if (dp->ugc.usbgc_interrupt && dp->intr_pipe) {
+
+		/* make a request for interrupt */
+
+		req = usb_alloc_intr_req(dp->dip, 0, USB_FLAGS_SLEEP);
+		if (req == NULL) {
+			cmn_err(CE_WARN, "!%s: %s: failed to allocate intreq",
+			    dp->name, __func__);
+			goto x;
+		}
+		req->intr_data = NULL;
+		req->intr_client_private = (usb_opaque_t)dp;
+		req->intr_timeout = 0;
+		req->intr_attributes =
+		    USB_ATTRS_SHORT_XFER_OK | USB_ATTRS_AUTOCLEARING;
+		req->intr_len = dp->ep_intr->wMaxPacketSize;
+		req->intr_cb = usbgem_intr_cb;
+		req->intr_exc_cb = usbgem_intr_cb;
+		req->intr_completion_reason = 0;
+		req->intr_cb_flags = 0;
+
+		err = usb_pipe_intr_xfer(dp->intr_pipe, req, flags);
+		if (err != USB_SUCCESS) {
+			cmn_err(CE_WARN,
+			    "%s: err:%d failed to start polling of intr pipe",
+			    dp->name, err);
+			goto x;
+		}
+	}
+
+	/* kick to receive the first packet */
+	if (usbgem_init_rx_buf(dp) != USB_SUCCESS) {
+		goto err_stop_intr;
+	}
+	dp->rx_active = B_TRUE;
+
+	return (USB_SUCCESS);
+
+err_stop_intr:
+	/* stop the interrupt pipe */
+	DPRINTF(0, (CE_CONT, "!%s: %s: FAULURE", dp->name, __func__));
+	if (dp->ugc.usbgc_interrupt && dp->intr_pipe) {
+		usb_pipe_stop_intr_polling(dp->intr_pipe, USB_FLAGS_SLEEP);
+	}
+x:
+	ASSERT(dp->mac_state == MAC_STATE_ONLINE);
+	/* we use another flag to indicate error state. */
+	if (dp->fatal_error == (clock_t)0) {
+		dp->fatal_error = usbgem_timestamp_nz();
+	}
+	return (USB_FAILURE);
+}
+
+static int
+usbgem_mac_stop(struct usbgem_dev *dp, int new_state, boolean_t graceful)
+{
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/*
+	 * we must have writer lock for dev_state_lock
+	 */
+	ASSERT(new_state == MAC_STATE_STOPPED
+	    || new_state == MAC_STATE_DISCONNECTED);
+
+	/* stop polling interrupt pipe */
+	if (dp->ugc.usbgc_interrupt && dp->intr_pipe) {
+		usb_pipe_stop_intr_polling(dp->intr_pipe, USB_FLAGS_SLEEP);
+	}
+
+	if (new_state == MAC_STATE_STOPPED || graceful) {
+		/* stop the nic hardware completely */
+		if (usbgem_hal_stop_chip(dp) != USB_SUCCESS) {
+			(void) usbgem_hal_reset_chip(dp);
+		}
+	}
+
+	/* stop preparing new rx packets and sending new packets */
+	dp->mac_state = new_state;
+
+	/* other processors must get mac_state correctly after here */
+	membar_producer();
+
+	/* cancel all requests we have sent */
+	usb_pipe_reset(dp->dip, dp->bulkin_pipe, USB_FLAGS_SLEEP, NULL, 0);
+	usb_pipe_reset(dp->dip, dp->bulkout_pipe, USB_FLAGS_SLEEP, NULL, 0);
+
+	DPRINTF(0, (CE_CONT,
+	    "!%s: %s: rx_busy_cnt:%d tx_busy_cnt:%d",
+	    dp->name, __func__, dp->rx_busy_cnt, dp->tx_busy_cnt));
+
+	/*
+	 * Here all rx packets has been cancelled and their call back
+	 * function has been exeuted, because we called usb_pipe_reset
+	 * synchronously.
+	 * So actually we just ensure rx_busy_cnt == 0.
+	 */
+	mutex_enter(&dp->rxlock);
+	while (dp->rx_busy_cnt > 0) {
+		cv_wait(&dp->rx_drain_cv, &dp->rxlock);
+	}
+	mutex_exit(&dp->rxlock);
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: rx_busy_cnt is %d now",
+	    dp->name, __func__, dp->rx_busy_cnt));
+
+	mutex_enter(&dp->txlock);
+	while (dp->tx_busy_cnt > 0) {
+		cv_wait(&dp->tx_drain_cv, &dp->txlock);
+	}
+	mutex_exit(&dp->txlock);
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: tx_busy_cnt is %d now",
+	    dp->name, __func__, dp->tx_busy_cnt));
+
+	return (USB_SUCCESS);
+}
+
+static int
+usbgem_add_multicast(struct usbgem_dev *dp, const uint8_t *ep)
+{
+	int	cnt;
+	int	err;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	sema_p(&dp->rxfilter_lock);
+	if (dp->mc_count_req++ < USBGEM_MAXMC) {
+		/* append the new address at the end of the mclist */
+		cnt = dp->mc_count;
+		bcopy(ep, dp->mc_list[cnt].addr.ether_addr_octet,
+		    ETHERADDRL);
+		if (dp->ugc.usbgc_multicast_hash) {
+			dp->mc_list[cnt].hash =
+			    (*dp->ugc.usbgc_multicast_hash)(dp, ep);
+		}
+		dp->mc_count = cnt + 1;
+	}
+
+	if (dp->mc_count_req != dp->mc_count) {
+		/* multicast address list overflow */
+		dp->rxmode |= RXMODE_MULTI_OVF;
+	} else {
+		dp->rxmode &= ~RXMODE_MULTI_OVF;
+	}
+
+	if (dp->mac_state != MAC_STATE_DISCONNECTED) {
+		/* tell new multicast list to the hardware */
+		err = usbgem_hal_set_rx_filter(dp);
+	}
+	sema_v(&dp->rxfilter_lock);
+
+	return (err);
+}
+
+static int
+usbgem_remove_multicast(struct usbgem_dev *dp, const uint8_t *ep)
+{
+	size_t		len;
+	int		i;
+	int		cnt;
+	int		err;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	sema_p(&dp->rxfilter_lock);
+	dp->mc_count_req--;
+	cnt = dp->mc_count;
+	for (i = 0; i < cnt; i++) {
+		if (bcmp(ep, &dp->mc_list[i].addr, ETHERADDRL)) {
+			continue;
+		}
+		/* shrink the mclist by copying forward */
+		len = (cnt - (i + 1)) * sizeof (*dp->mc_list);
+		if (len > 0) {
+			bcopy(&dp->mc_list[i+1], &dp->mc_list[i], len);
+		}
+		dp->mc_count--;
+		break;
+	}
+
+	if (dp->mc_count_req != dp->mc_count) {
+		/* multicast address list overflow */
+		dp->rxmode |= RXMODE_MULTI_OVF;
+	} else {
+		dp->rxmode &= ~RXMODE_MULTI_OVF;
+	}
+
+	if (dp->mac_state != MAC_STATE_DISCONNECTED) {
+		err = usbgem_hal_set_rx_filter(dp);
+	}
+	sema_v(&dp->rxfilter_lock);
+
+	return (err);
+}
+
+
+/* ============================================================== */
+/*
+ * ioctl
+ */
+/* ============================================================== */
+enum ioc_reply {
+	IOC_INVAL = -1,				/* bad, NAK with EINVAL	*/
+	IOC_DONE,				/* OK, reply sent	*/
+	IOC_ACK,				/* OK, just send ACK	*/
+	IOC_REPLY,				/* OK, just send reply	*/
+	IOC_RESTART_ACK,			/* OK, restart & ACK	*/
+	IOC_RESTART_REPLY			/* OK, restart & reply	*/
+};
+
+
+#ifdef USBGEM_CONFIG_MAC_PROP
+static int
+usbgem_get_def_val(struct usbgem_dev *dp, mac_prop_id_t pr_num,
+    uint_t pr_valsize, void *pr_val)
+{
+	link_flowctrl_t fl;
+	int err = 0;
+
+	ASSERT(pr_valsize > 0);
+	switch (pr_num) {
+	case MAC_PROP_AUTONEG:
+		*(uint8_t *)pr_val =
+		    BOOLEAN(dp->mii_status & MII_STATUS_CANAUTONEG);
+		break;
+
+	case MAC_PROP_FLOWCTRL:
+		if (pr_valsize < sizeof (link_flowctrl_t)) {
+			return (EINVAL);
+		}
+		switch (dp->ugc.usbgc_flow_control) {
+		case FLOW_CONTROL_NONE:
+			fl = LINK_FLOWCTRL_NONE;
+			break;
+		case FLOW_CONTROL_SYMMETRIC:
+			fl = LINK_FLOWCTRL_BI;
+			break;
+		case FLOW_CONTROL_TX_PAUSE:
+			fl = LINK_FLOWCTRL_TX;
+			break;
+		case FLOW_CONTROL_RX_PAUSE:
+			fl = LINK_FLOWCTRL_RX;
+			break;
+		}
+		bcopy(&fl, pr_val, sizeof (fl));
+		break;
+
+	case MAC_PROP_ADV_1000FDX_CAP:
+	case MAC_PROP_EN_1000FDX_CAP:
+		*(uint8_t *)pr_val =
+		    (dp->mii_xstatus & MII_XSTATUS_1000BASET_FD) ||
+		    (dp->mii_xstatus & MII_XSTATUS_1000BASEX_FD);
+		break;
+
+	case MAC_PROP_ADV_1000HDX_CAP:
+	case MAC_PROP_EN_1000HDX_CAP:
+		*(uint8_t *)pr_val =
+		    (dp->mii_xstatus & MII_XSTATUS_1000BASET) ||
+		    (dp->mii_xstatus & MII_XSTATUS_1000BASEX);
+		break;
+
+	case MAC_PROP_ADV_100T4_CAP:
+	case MAC_PROP_EN_100T4_CAP:
+		*(uint8_t *)pr_val =
+		    BOOLEAN(dp->mii_status & MII_STATUS_100_BASE_T4);
+		break;
+
+	case MAC_PROP_ADV_100FDX_CAP:
+	case MAC_PROP_EN_100FDX_CAP:
+		*(uint8_t *)pr_val =
+		    BOOLEAN(dp->mii_status & MII_STATUS_100_BASEX_FD);
+		break;
+
+	case MAC_PROP_ADV_100HDX_CAP:
+	case MAC_PROP_EN_100HDX_CAP:
+		*(uint8_t *)pr_val =
+		    BOOLEAN(dp->mii_status & MII_STATUS_100_BASEX);
+		break;
+
+	case MAC_PROP_ADV_10FDX_CAP:
+	case MAC_PROP_EN_10FDX_CAP:
+		*(uint8_t *)pr_val =
+		    BOOLEAN(dp->mii_status & MII_STATUS_10_FD);
+		break;
+
+	case MAC_PROP_ADV_10HDX_CAP:
+	case MAC_PROP_EN_10HDX_CAP:
+		*(uint8_t *)pr_val =
+		    BOOLEAN(dp->mii_status & MII_STATUS_10);
+		break;
+
+	default:
+		err = ENOTSUP;
+		break;
+	}
+	return (err);
+}
+
+#ifdef MAC_VERSION_V1
+static void
+usbgem_m_propinfo(void *arg, const char *pr_name, mac_prop_id_t pr_num,
+    mac_prop_info_handle_t prh)
+{
+	struct usbgem_dev *dp = arg;
+	link_flowctrl_t fl;
+
+	/*
+	 * By default permissions are read/write unless specified
+	 * otherwise by the driver.
+	 */
+
+	switch (pr_num) {
+	case MAC_PROP_DUPLEX:
+	case MAC_PROP_SPEED:
+	case MAC_PROP_STATUS:
+	case MAC_PROP_ADV_1000FDX_CAP:
+	case MAC_PROP_ADV_1000HDX_CAP:
+	case MAC_PROP_ADV_100FDX_CAP:
+	case MAC_PROP_ADV_100HDX_CAP:
+	case MAC_PROP_ADV_10FDX_CAP:
+	case MAC_PROP_ADV_10HDX_CAP:
+	case MAC_PROP_ADV_100T4_CAP:
+	case MAC_PROP_EN_100T4_CAP:
+		mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ);
+		break;
+
+	case MAC_PROP_EN_1000FDX_CAP:
+		if ((dp->mii_xstatus_ro & MII_XSTATUS_1000BASET_FD) == 0) {
+			mac_prop_info_set_default_uint8(prh,
+			    BOOLEAN(
+			    dp->mii_xstatus & MII_XSTATUS_1000BASET_FD));
+		} else if ((dp->mii_xstatus_ro & MII_XSTATUS_1000BASEX_FD)
+		    == 0) {
+			mac_prop_info_set_default_uint8(prh,
+			    BOOLEAN(
+			    dp->mii_xstatus & MII_XSTATUS_1000BASEX_FD));
+		} else {
+			mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ);
+		}
+		break;
+
+	case MAC_PROP_EN_1000HDX_CAP:
+		if ((dp->mii_xstatus_ro & MII_XSTATUS_1000BASET) == 0) {
+			mac_prop_info_set_default_uint8(prh,
+			    BOOLEAN(
+			    dp->mii_xstatus & MII_XSTATUS_1000BASET));
+		} else if ((dp->mii_xstatus_ro & MII_XSTATUS_1000BASEX) == 0) {
+			mac_prop_info_set_default_uint8(prh,
+			    BOOLEAN(
+			    dp->mii_xstatus & MII_XSTATUS_1000BASEX));
+		} else {
+			mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ);
+		}
+		break;
+
+	case MAC_PROP_EN_100FDX_CAP:
+		if ((dp->mii_status_ro & MII_STATUS_100_BASEX_FD) == 0) {
+			mac_prop_info_set_default_uint8(prh,
+			    BOOLEAN(dp->mii_status & MII_STATUS_100_BASEX_FD));
+		} else {
+			mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ);
+		}
+		break;
+
+	case MAC_PROP_EN_100HDX_CAP:
+		if ((dp->mii_status_ro & MII_STATUS_100_BASEX) == 0) {
+			mac_prop_info_set_default_uint8(prh,
+			    BOOLEAN(dp->mii_status & MII_STATUS_100_BASEX));
+		} else {
+			mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ);
+		}
+		break;
+
+	case MAC_PROP_EN_10FDX_CAP:
+		if ((dp->mii_status_ro & MII_STATUS_10_FD) == 0) {
+			mac_prop_info_set_default_uint8(prh,
+			    BOOLEAN(dp->mii_status & MII_STATUS_10_FD));
+		} else {
+			mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ);
+		}
+		break;
+
+	case MAC_PROP_EN_10HDX_CAP:
+		if ((dp->mii_status_ro & MII_STATUS_10) == 0) {
+			mac_prop_info_set_default_uint8(prh,
+			    BOOLEAN(dp->mii_status & MII_STATUS_10));
+		} else {
+			mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ);
+		}
+		break;
+
+	case MAC_PROP_AUTONEG:
+		if ((dp->mii_status_ro & MII_STATUS_CANAUTONEG) == 0) {
+			mac_prop_info_set_default_uint8(prh,
+			    BOOLEAN(dp->mii_status & MII_STATUS_CANAUTONEG));
+		} else {
+			mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ);
+		}
+		break;
+
+	case MAC_PROP_FLOWCTRL:
+		switch (dp->ugc.usbgc_flow_control) {
+		case FLOW_CONTROL_NONE:
+			fl = LINK_FLOWCTRL_NONE;
+			break;
+		case FLOW_CONTROL_SYMMETRIC:
+			fl = LINK_FLOWCTRL_BI;
+			break;
+		case FLOW_CONTROL_TX_PAUSE:
+			fl = LINK_FLOWCTRL_TX;
+			break;
+		case FLOW_CONTROL_RX_PAUSE:
+			fl = LINK_FLOWCTRL_RX;
+			break;
+		}
+		mac_prop_info_set_default_link_flowctrl(prh, fl);
+		break;
+
+	case MAC_PROP_MTU:
+		mac_prop_info_set_range_uint32(prh,
+		    dp->ugc.usbgc_min_mtu, dp->ugc.usbgc_max_mtu);
+		break;
+
+	case MAC_PROP_PRIVATE:
+		break;
+	}
+}
+#endif
+
+static int
+usbgem_m_setprop(void *arg, const char *pr_name, mac_prop_id_t pr_num,
+    uint_t pr_valsize, const void *pr_val)
+{
+	struct usbgem_dev *dp = arg;
+	int err = 0;
+	boolean_t	update = B_FALSE;
+	link_flowctrl_t flowctrl;
+	uint32_t cur_mtu, new_mtu;
+
+	rw_enter(&dp->dev_state_lock, RW_WRITER);
+	switch (pr_num) {
+	case MAC_PROP_EN_1000FDX_CAP:
+		if ((dp->mii_xstatus_ro & MII_XSTATUS_1000BASET_FD) == 0 ||
+		    (dp->mii_xstatus_ro & MII_XSTATUS_1000BASEX_FD) == 0) {
+			if (dp->anadv_1000fdx != *(uint8_t *)pr_val) {
+				dp->anadv_1000fdx = *(uint8_t *)pr_val;
+				update = B_TRUE;
+			}
+		} else {
+			err = ENOTSUP;
+		}
+		break;
+
+	case MAC_PROP_EN_1000HDX_CAP:
+		if ((dp->mii_xstatus_ro & MII_XSTATUS_1000BASET) == 0 ||
+		    (dp->mii_xstatus_ro & MII_XSTATUS_1000BASEX) == 0) {
+			if (dp->anadv_1000hdx != *(uint8_t *)pr_val) {
+				dp->anadv_1000hdx = *(uint8_t *)pr_val;
+				update = B_TRUE;
+			}
+		} else {
+			err = ENOTSUP;
+		}
+		break;
+
+	case MAC_PROP_EN_100FDX_CAP:
+		if ((dp->mii_status_ro & MII_STATUS_100_BASEX_FD) == 0) {
+			if (dp->anadv_100fdx != *(uint8_t *)pr_val) {
+				dp->anadv_100fdx = *(uint8_t *)pr_val;
+				update = B_TRUE;
+			}
+		} else {
+			err = ENOTSUP;
+		}
+		break;
+
+	case MAC_PROP_EN_100HDX_CAP:
+		if ((dp->mii_status_ro & MII_STATUS_100_BASEX) == 0) {
+			if (dp->anadv_100hdx != *(uint8_t *)pr_val) {
+				dp->anadv_100hdx = *(uint8_t *)pr_val;
+				update = B_TRUE;
+			}
+		} else {
+			err = ENOTSUP;
+		}
+		break;
+
+	case MAC_PROP_EN_10FDX_CAP:
+		if ((dp->mii_status_ro & MII_STATUS_10_FD) == 0) {
+			if (dp->anadv_10fdx != *(uint8_t *)pr_val) {
+				dp->anadv_10fdx = *(uint8_t *)pr_val;
+				update = B_TRUE;
+			}
+		} else {
+			err = ENOTSUP;
+		}
+		break;
+
+	case MAC_PROP_EN_10HDX_CAP:
+		if ((dp->mii_status_ro & MII_STATUS_10_FD) == 0) {
+			if (dp->anadv_10hdx != *(uint8_t *)pr_val) {
+				dp->anadv_10hdx = *(uint8_t *)pr_val;
+				update = B_TRUE;
+			}
+		} else {
+			err = ENOTSUP;
+		}
+		break;
+
+	case MAC_PROP_AUTONEG:
+		if ((dp->mii_status_ro & MII_STATUS_CANAUTONEG) == 0) {
+			if (dp->anadv_autoneg != *(uint8_t *)pr_val) {
+				dp->anadv_autoneg = *(uint8_t *)pr_val;
+				update = B_TRUE;
+			}
+		} else {
+			err = ENOTSUP;
+		}
+		break;
+
+	case MAC_PROP_FLOWCTRL:
+		bcopy(pr_val, &flowctrl, sizeof (flowctrl));
+
+		switch (flowctrl) {
+		default:
+			err = EINVAL;
+			break;
+
+		case LINK_FLOWCTRL_NONE:
+			if (dp->flow_control != FLOW_CONTROL_NONE) {
+				dp->flow_control = FLOW_CONTROL_NONE;
+				update = B_TRUE;
+			}
+			break;
+
+		case LINK_FLOWCTRL_RX:
+			if (dp->flow_control != FLOW_CONTROL_RX_PAUSE) {
+				dp->flow_control = FLOW_CONTROL_RX_PAUSE;
+				update = B_TRUE;
+			}
+			break;
+
+		case LINK_FLOWCTRL_TX:
+			if (dp->flow_control != FLOW_CONTROL_TX_PAUSE) {
+				dp->flow_control = FLOW_CONTROL_TX_PAUSE;
+				update = B_TRUE;
+			}
+			break;
+
+		case LINK_FLOWCTRL_BI:
+			if (dp->flow_control != FLOW_CONTROL_SYMMETRIC) {
+				dp->flow_control = FLOW_CONTROL_SYMMETRIC;
+				update = B_TRUE;
+			}
+			break;
+		}
+		break;
+
+	case MAC_PROP_ADV_1000FDX_CAP:
+	case MAC_PROP_ADV_1000HDX_CAP:
+	case MAC_PROP_ADV_100FDX_CAP:
+	case MAC_PROP_ADV_100HDX_CAP:
+	case MAC_PROP_ADV_10FDX_CAP:
+	case MAC_PROP_ADV_10HDX_CAP:
+	case MAC_PROP_STATUS:
+	case MAC_PROP_SPEED:
+	case MAC_PROP_DUPLEX:
+		err = ENOTSUP; /* read-only prop. Can't set this. */
+		break;
+
+	case MAC_PROP_MTU:
+		bcopy(pr_val, &new_mtu, sizeof (new_mtu));
+		if (new_mtu != dp->mtu) {
+			err = EINVAL;
+		}
+		break;
+
+	case MAC_PROP_PRIVATE:
+		err = ENOTSUP;
+		break;
+
+	default:
+		err = ENOTSUP;
+		break;
+	}
+
+	if (update) {
+		/* sync with PHY */
+		usbgem_choose_forcedmode(dp);
+		dp->mii_state = MII_STATE_UNKNOWN;
+		cv_signal(&dp->link_watcher_wait_cv);
+	}
+	rw_exit(&dp->dev_state_lock);
+	return (err);
+}
+
+static int
+#ifdef MAC_VERSION_V1
+usbgem_m_getprop(void *arg, const char *pr_name, mac_prop_id_t pr_num,
+    uint_t pr_valsize, void *pr_val)
+#else
+usbgem_m_getprop(void *arg, const char *pr_name, mac_prop_id_t pr_num,
+    uint_t pr_flags, uint_t pr_valsize, void *pr_val, uint_t *perm)
+#endif
+{
+	struct usbgem_dev *dp = arg;
+	int err = 0;
+	link_flowctrl_t flowctrl;
+	uint64_t tmp = 0;
+
+	if (pr_valsize == 0) {
+		return (EINVAL);
+	}
+#ifndef MAC_VERSION_V1
+	*perm = MAC_PROP_PERM_RW;
+#endif
+	bzero(pr_val, pr_valsize);
+#ifndef MAC_VERSION_V1
+	if ((pr_flags & MAC_PROP_DEFAULT) && (pr_num != MAC_PROP_PRIVATE)) {
+		return (usbgem_get_def_val(dp, pr_num, pr_valsize, pr_val));
+	}
+#endif
+	rw_enter(&dp->dev_state_lock, RW_READER);
+	switch (pr_num) {
+	case MAC_PROP_DUPLEX:
+#ifndef MAC_VERSION_V1
+		*perm = MAC_PROP_PERM_READ;
+#endif
+		if (pr_valsize >= sizeof (link_duplex_t)) {
+			if (dp->mii_state != MII_STATE_LINKUP) {
+				*(link_duplex_t *)pr_val = LINK_DUPLEX_UNKNOWN;
+			} else if (dp->full_duplex) {
+				*(link_duplex_t *)pr_val = LINK_DUPLEX_FULL;
+			} else {
+				*(link_duplex_t *)pr_val = LINK_DUPLEX_HALF;
+			}
+		} else {
+			err = EINVAL;
+		}
+		break;
+	case MAC_PROP_SPEED:
+#ifndef MAC_VERSION_V1
+		*perm = MAC_PROP_PERM_READ;
+#endif
+		if (pr_valsize >= sizeof (uint64_t)) {
+			switch (dp->speed) {
+			case USBGEM_SPD_1000:
+				tmp = 1000000000;
+				break;
+			case USBGEM_SPD_100:
+				tmp = 100000000;
+				break;
+			case USBGEM_SPD_10:
+				tmp = 10000000;
+				break;
+			default:
+				tmp = 0;
+			}
+			bcopy(&tmp, pr_val, sizeof (tmp));
+		} else {
+			err = EINVAL;
+		}
+		break;
+
+	case MAC_PROP_AUTONEG:
+#ifndef MAC_VERSION_V1
+		if (dp->mii_status_ro & MII_STATUS_CANAUTONEG) {
+			*perm = MAC_PROP_PERM_READ;
+		}
+#endif
+		*(uint8_t *)pr_val = dp->anadv_autoneg;
+		break;
+
+	case MAC_PROP_FLOWCTRL:
+		if (pr_valsize >= sizeof (link_flowctrl_t)) {
+			switch (dp->flow_control) {
+			case FLOW_CONTROL_NONE:
+				flowctrl = LINK_FLOWCTRL_NONE;
+				break;
+			case FLOW_CONTROL_RX_PAUSE:
+				flowctrl = LINK_FLOWCTRL_RX;
+				break;
+			case FLOW_CONTROL_TX_PAUSE:
+				flowctrl = LINK_FLOWCTRL_TX;
+				break;
+			case FLOW_CONTROL_SYMMETRIC:
+				flowctrl = LINK_FLOWCTRL_BI;
+				break;
+			}
+			bcopy(&flowctrl, pr_val, sizeof (flowctrl));
+		} else {
+			err = EINVAL;
+		}
+		break;
+
+	case MAC_PROP_ADV_1000FDX_CAP:
+	case MAC_PROP_ADV_1000HDX_CAP:
+	case MAC_PROP_ADV_100FDX_CAP:
+	case MAC_PROP_ADV_100HDX_CAP:
+	case MAC_PROP_ADV_10FDX_CAP:
+	case MAC_PROP_ADV_10HDX_CAP:
+	case MAC_PROP_ADV_100T4_CAP:
+		usbgem_get_def_val(dp, pr_num, pr_valsize, pr_val);
+		break;
+
+	case MAC_PROP_EN_1000FDX_CAP:
+#ifndef MAC_VERSION_V1
+		if ((dp->mii_xstatus_ro & MII_XSTATUS_1000BASET_FD) &&
+		    (dp->mii_xstatus_ro & MII_XSTATUS_1000BASEX_FD)) {
+			*perm = MAC_PROP_PERM_READ;
+		}
+#endif
+		*(uint8_t *)pr_val = dp->anadv_1000fdx;
+		break;
+
+	case MAC_PROP_EN_1000HDX_CAP:
+#ifndef MAC_VERSION_V1
+		if ((dp->mii_xstatus_ro & MII_XSTATUS_1000BASET) &&
+		    (dp->mii_xstatus_ro & MII_XSTATUS_1000BASEX)) {
+			*perm = MAC_PROP_PERM_READ;
+		}
+#endif
+		*(uint8_t *)pr_val = dp->anadv_1000hdx;
+		break;
+
+	case MAC_PROP_EN_100FDX_CAP:
+#ifndef MAC_VERSION_V1
+		if (dp->mii_status_ro & MII_STATUS_100_BASEX_FD) {
+			*perm = MAC_PROP_PERM_READ;
+		}
+#endif
+		*(uint8_t *)pr_val = dp->anadv_100fdx;
+		break;
+
+	case MAC_PROP_EN_100HDX_CAP:
+#ifndef MAC_VERSION_V1
+		if (dp->mii_status_ro & MII_STATUS_100_BASEX) {
+			*perm = MAC_PROP_PERM_READ;
+		}
+#endif
+		*(uint8_t *)pr_val = dp->anadv_100hdx;
+		break;
+
+	case MAC_PROP_EN_10FDX_CAP:
+#ifndef MAC_VERSION_V1
+		if (dp->mii_status_ro & MII_STATUS_10_FD) {
+			*perm = MAC_PROP_PERM_READ;
+		}
+#endif
+		*(uint8_t *)pr_val = dp->anadv_10fdx;
+		break;
+
+	case MAC_PROP_EN_10HDX_CAP:
+#ifndef MAC_VERSION_V1
+		if (dp->mii_status_ro & MII_STATUS_10) {
+			*perm = MAC_PROP_PERM_READ;
+		}
+#endif
+		*(uint8_t *)pr_val = dp->anadv_10hdx;
+		break;
+
+	case MAC_PROP_EN_100T4_CAP:
+#ifndef MAC_VERSION_V1
+		if (dp->mii_status_ro & MII_STATUS_100_BASE_T4) {
+			*perm = MAC_PROP_PERM_READ;
+		}
+#endif
+		*(uint8_t *)pr_val = dp->anadv_100t4;
+		break;
+
+	case MAC_PROP_PRIVATE:
+		err = ENOTSUP;
+		break;
+
+#ifndef MAC_VERSION_V1
+	case MAC_PROP_MTU: {
+		mac_propval_range_t range;
+		if (!(pr_flags & MAC_PROP_POSSIBLE)) {
+			err = ENOTSUP;
+			break;
+		}
+		if (pr_valsize < sizeof (mac_propval_range_t)) {
+			err = EINVAL;
+			break;
+		}
+		range.mpr_count = 1;
+		range.mpr_type = MAC_PROPVAL_UINT32;
+		range.range_uint32[0].mpur_min = ETHERMTU;
+		range.range_uint32[0].mpur_max = dp->mtu;
+		bcopy(&range, pr_val, sizeof (range));
+		break;
+	}
+#endif
+	default:
+		err = ENOTSUP;
+		break;
+	}
+
+	rw_exit(&dp->dev_state_lock);
+	return (err);
+}
+#endif /* USBGEM_CONFIG_MAC_PROP */
+
+#ifdef USBGEM_CONFIG_ND
+/* ============================================================== */
+/*
+ * ND interface
+ */
+/* ============================================================== */
+enum {
+	PARAM_AUTONEG_CAP,
+	PARAM_PAUSE_CAP,
+	PARAM_ASYM_PAUSE_CAP,
+	PARAM_1000FDX_CAP,
+	PARAM_1000HDX_CAP,
+	PARAM_100T4_CAP,
+	PARAM_100FDX_CAP,
+	PARAM_100HDX_CAP,
+	PARAM_10FDX_CAP,
+	PARAM_10HDX_CAP,
+
+	PARAM_ADV_AUTONEG_CAP,
+	PARAM_ADV_PAUSE_CAP,
+	PARAM_ADV_ASYM_PAUSE_CAP,
+	PARAM_ADV_1000FDX_CAP,
+	PARAM_ADV_1000HDX_CAP,
+	PARAM_ADV_100T4_CAP,
+	PARAM_ADV_100FDX_CAP,
+	PARAM_ADV_100HDX_CAP,
+	PARAM_ADV_10FDX_CAP,
+	PARAM_ADV_10HDX_CAP,
+	PARAM_ADV_1000T_MS,
+
+	PARAM_LP_AUTONEG_CAP,
+	PARAM_LP_PAUSE_CAP,
+	PARAM_LP_ASYM_PAUSE_CAP,
+	PARAM_LP_1000FDX_CAP,
+	PARAM_LP_1000HDX_CAP,
+	PARAM_LP_100T4_CAP,
+	PARAM_LP_100FDX_CAP,
+	PARAM_LP_100HDX_CAP,
+	PARAM_LP_10FDX_CAP,
+	PARAM_LP_10HDX_CAP,
+
+	PARAM_LINK_STATUS,
+	PARAM_LINK_SPEED,
+	PARAM_LINK_DUPLEX,
+
+	PARAM_LINK_AUTONEG,
+	PARAM_LINK_RX_PAUSE,
+	PARAM_LINK_TX_PAUSE,
+
+	PARAM_LOOP_MODE,
+	PARAM_MSI_CNT,
+#ifdef DEBUG_RESUME
+	PARAM_RESUME_TEST,
+#endif
+
+	PARAM_COUNT
+};
+
+struct usbgem_nd_arg {
+	struct usbgem_dev	*dp;
+	int		item;
+};
+
+static int
+usbgem_param_get(queue_t *q, mblk_t *mp, caddr_t arg, cred_t *credp)
+{
+	struct usbgem_dev	*dp = ((struct usbgem_nd_arg *)(void *)arg)->dp;
+	int		item = ((struct usbgem_nd_arg *)(void *)arg)->item;
+	long		val;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called, item:%d",
+	    dp->name, __func__, item));
+
+	switch (item) {
+	case PARAM_AUTONEG_CAP:
+		val = BOOLEAN(dp->mii_status & MII_STATUS_CANAUTONEG);
+		DPRINTF(1, (CE_CONT, "autoneg_cap:%d", val));
+		break;
+
+	case PARAM_PAUSE_CAP:
+		val = dp->ugc.usbgc_flow_control != FLOW_CONTROL_NONE;
+		break;
+
+	case PARAM_ASYM_PAUSE_CAP:
+		val = dp->ugc.usbgc_flow_control > FLOW_CONTROL_SYMMETRIC;
+		break;
+
+	case PARAM_1000FDX_CAP:
+		val = (dp->mii_xstatus & MII_XSTATUS_1000BASET_FD) ||
+		    (dp->mii_xstatus & MII_XSTATUS_1000BASEX_FD);
+		break;
+
+	case PARAM_1000HDX_CAP:
+		val = (dp->mii_xstatus & MII_XSTATUS_1000BASET) ||
+		    (dp->mii_xstatus & MII_XSTATUS_1000BASEX);
+		break;
+
+	case PARAM_100T4_CAP:
+		val = BOOLEAN(dp->mii_status & MII_STATUS_100_BASE_T4);
+		break;
+
+	case PARAM_100FDX_CAP:
+		val = BOOLEAN(dp->mii_status & MII_STATUS_100_BASEX_FD);
+		break;
+
+	case PARAM_100HDX_CAP:
+		val = BOOLEAN(dp->mii_status & MII_STATUS_100_BASEX);
+		break;
+
+	case PARAM_10FDX_CAP:
+		val = BOOLEAN(dp->mii_status & MII_STATUS_10_FD);
+		break;
+
+	case PARAM_10HDX_CAP:
+		val = BOOLEAN(dp->mii_status & MII_STATUS_10);
+		break;
+
+	case PARAM_ADV_AUTONEG_CAP:
+		val = dp->anadv_autoneg;
+		break;
+
+	case PARAM_ADV_PAUSE_CAP:
+		val = dp->anadv_pause;
+		break;
+
+	case PARAM_ADV_ASYM_PAUSE_CAP:
+		val = dp->anadv_asmpause;
+		break;
+
+	case PARAM_ADV_1000FDX_CAP:
+		val = dp->anadv_1000fdx;
+		break;
+
+	case PARAM_ADV_1000HDX_CAP:
+		val = dp->anadv_1000hdx;
+		break;
+
+	case PARAM_ADV_100T4_CAP:
+		val = dp->anadv_100t4;
+		break;
+
+	case PARAM_ADV_100FDX_CAP:
+		val = dp->anadv_100fdx;
+		break;
+
+	case PARAM_ADV_100HDX_CAP:
+		val = dp->anadv_100hdx;
+		break;
+
+	case PARAM_ADV_10FDX_CAP:
+		val = dp->anadv_10fdx;
+		break;
+
+	case PARAM_ADV_10HDX_CAP:
+		val = dp->anadv_10hdx;
+		break;
+
+	case PARAM_ADV_1000T_MS:
+		val = dp->anadv_1000t_ms;
+		break;
+
+	case PARAM_LP_AUTONEG_CAP:
+		val = BOOLEAN(dp->mii_exp & MII_AN_EXP_LPCANAN);
+		break;
+
+	case PARAM_LP_PAUSE_CAP:
+		val = BOOLEAN(dp->mii_lpable & MII_ABILITY_PAUSE);
+		break;
+
+	case PARAM_LP_ASYM_PAUSE_CAP:
+		val = BOOLEAN(dp->mii_lpable & MII_ABILITY_ASM_DIR);
+		break;
+
+	case PARAM_LP_1000FDX_CAP:
+		val = BOOLEAN(dp->mii_stat1000 & MII_1000TS_LP_FULL);
+		break;
+
+	case PARAM_LP_1000HDX_CAP:
+		val = BOOLEAN(dp->mii_stat1000 & MII_1000TS_LP_HALF);
+		break;
+
+	case PARAM_LP_100T4_CAP:
+		val = BOOLEAN(dp->mii_lpable & MII_ABILITY_100BASE_T4);
+		break;
+
+	case PARAM_LP_100FDX_CAP:
+		val = BOOLEAN(dp->mii_lpable & MII_ABILITY_100BASE_TX_FD);
+		break;
+
+	case PARAM_LP_100HDX_CAP:
+		val = BOOLEAN(dp->mii_lpable & MII_ABILITY_100BASE_TX);
+		break;
+
+	case PARAM_LP_10FDX_CAP:
+		val = BOOLEAN(dp->mii_lpable & MII_ABILITY_10BASE_T_FD);
+		break;
+
+	case PARAM_LP_10HDX_CAP:
+		val = BOOLEAN(dp->mii_lpable & MII_ABILITY_10BASE_T);
+		break;
+
+	case PARAM_LINK_STATUS:
+		val = (dp->mii_state == MII_STATE_LINKUP);
+		break;
+
+	case PARAM_LINK_SPEED:
+		val = usbgem_speed_value[dp->speed];
+		break;
+
+	case PARAM_LINK_DUPLEX:
+		val = 0;
+		if (dp->mii_state == MII_STATE_LINKUP) {
+			val = dp->full_duplex ? 2 : 1;
+		}
+		break;
+
+	case PARAM_LINK_AUTONEG:
+		val = BOOLEAN(dp->mii_exp & MII_AN_EXP_LPCANAN);
+		break;
+
+	case PARAM_LINK_RX_PAUSE:
+		val = (dp->flow_control == FLOW_CONTROL_SYMMETRIC) ||
+		    (dp->flow_control == FLOW_CONTROL_RX_PAUSE);
+		break;
+
+	case PARAM_LINK_TX_PAUSE:
+		val = (dp->flow_control == FLOW_CONTROL_SYMMETRIC) ||
+		    (dp->flow_control == FLOW_CONTROL_TX_PAUSE);
+		break;
+
+#ifdef DEBUG_RESUME
+	case PARAM_RESUME_TEST:
+		val = 0;
+		break;
+#endif
+	default:
+		cmn_err(CE_WARN, "%s: unimplemented ndd control (%d)",
+		    dp->name, item);
+		break;
+	}
+
+	(void) mi_mpprintf(mp, "%ld", val);
+
+	return (0);
+}
+
+static int
+usbgem_param_set(queue_t *q,
+    mblk_t *mp, char *value, caddr_t arg, cred_t *credp)
+{
+	struct usbgem_dev	*dp = ((struct usbgem_nd_arg *)(void *)arg)->dp;
+	int		item = ((struct usbgem_nd_arg *)(void *)arg)->item;
+	long		val;
+	char		*end;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+	if (ddi_strtol(value, &end, 10, &val)) {
+		return (EINVAL);
+	}
+	if (end == value) {
+		return (EINVAL);
+	}
+
+	switch (item) {
+	case PARAM_ADV_AUTONEG_CAP:
+		if (val != 0 && val != 1) {
+			goto err;
+		}
+		if (val && (dp->mii_status & MII_STATUS_CANAUTONEG) == 0) {
+			goto err;
+		}
+		dp->anadv_autoneg = (int)val;
+		break;
+
+	case PARAM_ADV_PAUSE_CAP:
+		if (val != 0 && val != 1) {
+			goto err;
+		}
+		if (val && dp->ugc.usbgc_flow_control == FLOW_CONTROL_NONE) {
+			goto err;
+		}
+		dp->anadv_pause = (int)val;
+		break;
+
+	case PARAM_ADV_ASYM_PAUSE_CAP:
+		if (val != 0 && val != 1) {
+			goto err;
+		}
+		if (val &&
+		    dp->ugc.usbgc_flow_control <= FLOW_CONTROL_SYMMETRIC) {
+			goto err;
+		}
+		dp->anadv_asmpause = (int)val;
+		break;
+
+	case PARAM_ADV_1000FDX_CAP:
+		if (val != 0 && val != 1) {
+			goto err;
+		}
+		if (val && (dp->mii_xstatus &
+		    (MII_XSTATUS_1000BASET_FD |
+		    MII_XSTATUS_1000BASEX_FD)) == 0) {
+			goto err;
+		}
+		dp->anadv_1000fdx = (int)val;
+		break;
+
+	case PARAM_ADV_1000HDX_CAP:
+		if (val != 0 && val != 1) {
+			goto err;
+		}
+		if (val && (dp->mii_xstatus &
+		    (MII_XSTATUS_1000BASET | MII_XSTATUS_1000BASEX)) == 0) {
+			goto err;
+		}
+		dp->anadv_1000hdx = (int)val;
+		break;
+
+	case PARAM_ADV_100T4_CAP:
+		if (val != 0 && val != 1) {
+			goto err;
+		}
+		if (val && (dp->mii_status & MII_STATUS_100_BASE_T4) == 0) {
+			goto err;
+		}
+		dp->anadv_100t4 = (int)val;
+		break;
+
+	case PARAM_ADV_100FDX_CAP:
+		if (val != 0 && val != 1) {
+			goto err;
+		}
+		if (val && (dp->mii_status & MII_STATUS_100_BASEX_FD) == 0) {
+			goto err;
+		}
+		dp->anadv_100fdx = (int)val;
+		break;
+
+	case PARAM_ADV_100HDX_CAP:
+		if (val != 0 && val != 1) {
+			goto err;
+		}
+		if (val && (dp->mii_status & MII_STATUS_100_BASEX) == 0) {
+			goto err;
+		}
+		dp->anadv_100hdx = (int)val;
+		break;
+
+	case PARAM_ADV_10FDX_CAP:
+		if (val != 0 && val != 1) {
+			goto err;
+		}
+		if (val && (dp->mii_status & MII_STATUS_10_FD) == 0) {
+			goto err;
+		}
+		dp->anadv_10fdx = (int)val;
+		break;
+
+	case PARAM_ADV_10HDX_CAP:
+		if (val != 0 && val != 1) {
+			goto err;
+		}
+		if (val && (dp->mii_status & MII_STATUS_10) == 0) {
+			goto err;
+		}
+		dp->anadv_10hdx = (int)val;
+		break;
+
+	case PARAM_ADV_1000T_MS:
+		if (val != 0 && val != 1 && val != 2) {
+			goto err;
+		}
+		if (val && (dp->mii_xstatus &
+		    (MII_XSTATUS_1000BASET | MII_XSTATUS_1000BASET_FD)) == 0) {
+			goto err;
+		}
+		dp->anadv_1000t_ms = (int)val;
+		break;
+
+#ifdef DEBUG_RESUME
+	case PARAM_RESUME_TEST:
+		mutex_exit(&dp->xmitlock);
+		mutex_exit(&dp->intrlock);
+		gem_suspend(dp->dip);
+		gem_resume(dp->dip);
+		mutex_enter(&dp->intrlock);
+		mutex_enter(&dp->xmitlock);
+		break;
+#endif
+	}
+
+	/* sync with PHY */
+	usbgem_choose_forcedmode(dp);
+
+	dp->mii_state = MII_STATE_UNKNOWN;
+	if (dp->ugc.usbgc_mii_hw_link_detection) {
+		/* wake up link watcher possiblely sleeps */
+		cv_signal(&dp->link_watcher_wait_cv);
+	}
+
+	return (0);
+err:
+	return (EINVAL);
+}
+
+static void
+usbgem_nd_load(struct usbgem_dev *dp,
+    char *name, ndgetf_t gf, ndsetf_t sf, int item)
+{
+	struct usbgem_nd_arg	*arg;
+
+	ASSERT(item >= 0);
+	ASSERT(item < PARAM_COUNT);
+
+	arg = &((struct usbgem_nd_arg *)(void *)dp->nd_arg_p)[item];
+	arg->dp = dp;
+	arg->item = item;
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: name:%s, item:%d",
+	    dp->name, __func__, name, item));
+	(void) nd_load(&dp->nd_data_p, name, gf, sf, (caddr_t)arg);
+}
+
+static void
+usbgem_nd_setup(struct usbgem_dev *dp)
+{
+	DPRINTF(1, (CE_CONT, "!%s: %s: called, mii_status:0x%b",
+	    dp->name, __func__, dp->mii_status, MII_STATUS_BITS));
+
+	ASSERT(dp->nd_arg_p == NULL);
+
+	dp->nd_arg_p =
+	    kmem_zalloc(sizeof (struct usbgem_nd_arg) * PARAM_COUNT, KM_SLEEP);
+
+#define	SETFUNC(x)	((x) ? usbgem_param_set : NULL)
+
+	usbgem_nd_load(dp, "autoneg_cap",
+	    usbgem_param_get, NULL, PARAM_AUTONEG_CAP);
+	usbgem_nd_load(dp, "pause_cap",
+	    usbgem_param_get, NULL, PARAM_PAUSE_CAP);
+	usbgem_nd_load(dp, "asym_pause_cap",
+	    usbgem_param_get, NULL, PARAM_ASYM_PAUSE_CAP);
+	usbgem_nd_load(dp, "1000fdx_cap",
+	    usbgem_param_get, NULL, PARAM_1000FDX_CAP);
+	usbgem_nd_load(dp, "1000hdx_cap",
+	    usbgem_param_get, NULL, PARAM_1000HDX_CAP);
+	usbgem_nd_load(dp, "100T4_cap",
+	    usbgem_param_get, NULL, PARAM_100T4_CAP);
+	usbgem_nd_load(dp, "100fdx_cap",
+	    usbgem_param_get, NULL, PARAM_100FDX_CAP);
+	usbgem_nd_load(dp, "100hdx_cap",
+	    usbgem_param_get, NULL, PARAM_100HDX_CAP);
+	usbgem_nd_load(dp, "10fdx_cap",
+	    usbgem_param_get, NULL, PARAM_10FDX_CAP);
+	usbgem_nd_load(dp, "10hdx_cap",
+	    usbgem_param_get, NULL, PARAM_10HDX_CAP);
+
+	/* Our advertised capabilities */
+	usbgem_nd_load(dp, "adv_autoneg_cap", usbgem_param_get,
+	    SETFUNC(dp->mii_status & MII_STATUS_CANAUTONEG),
+	    PARAM_ADV_AUTONEG_CAP);
+	usbgem_nd_load(dp, "adv_pause_cap", usbgem_param_get,
+	    SETFUNC(dp->ugc.usbgc_flow_control & 1),
+	    PARAM_ADV_PAUSE_CAP);
+	usbgem_nd_load(dp, "adv_asym_pause_cap", usbgem_param_get,
+	    SETFUNC(dp->ugc.usbgc_flow_control & 2),
+	    PARAM_ADV_ASYM_PAUSE_CAP);
+	usbgem_nd_load(dp, "adv_1000fdx_cap", usbgem_param_get,
+	    SETFUNC(dp->mii_xstatus &
+	    (MII_XSTATUS_1000BASEX_FD | MII_XSTATUS_1000BASET_FD)),
+	    PARAM_ADV_1000FDX_CAP);
+	usbgem_nd_load(dp, "adv_1000hdx_cap", usbgem_param_get,
+	    SETFUNC(dp->mii_xstatus &
+	    (MII_XSTATUS_1000BASEX | MII_XSTATUS_1000BASET)),
+	    PARAM_ADV_1000HDX_CAP);
+	usbgem_nd_load(dp, "adv_100T4_cap", usbgem_param_get,
+	    SETFUNC((dp->mii_status & MII_STATUS_100_BASE_T4) &&
+	    !dp->mii_advert_ro),
+	    PARAM_ADV_100T4_CAP);
+	usbgem_nd_load(dp, "adv_100fdx_cap", usbgem_param_get,
+	    SETFUNC((dp->mii_status & MII_STATUS_100_BASEX_FD) &&
+	    !dp->mii_advert_ro),
+	    PARAM_ADV_100FDX_CAP);
+	usbgem_nd_load(dp, "adv_100hdx_cap", usbgem_param_get,
+	    SETFUNC((dp->mii_status & MII_STATUS_100_BASEX) &&
+	    !dp->mii_advert_ro),
+	    PARAM_ADV_100HDX_CAP);
+	usbgem_nd_load(dp, "adv_10fdx_cap", usbgem_param_get,
+	    SETFUNC((dp->mii_status & MII_STATUS_10_FD) &&
+	    !dp->mii_advert_ro),
+	    PARAM_ADV_10FDX_CAP);
+	usbgem_nd_load(dp, "adv_10hdx_cap", usbgem_param_get,
+	    SETFUNC((dp->mii_status & MII_STATUS_10) &&
+	    !dp->mii_advert_ro),
+	    PARAM_ADV_10HDX_CAP);
+	usbgem_nd_load(dp, "adv_1000t_ms", usbgem_param_get,
+	    SETFUNC(dp->mii_xstatus &
+	    (MII_XSTATUS_1000BASET_FD | MII_XSTATUS_1000BASET)),
+	    PARAM_ADV_1000T_MS);
+
+
+	/* Partner's advertised capabilities */
+	usbgem_nd_load(dp, "lp_autoneg_cap",
+	    usbgem_param_get, NULL, PARAM_LP_AUTONEG_CAP);
+	usbgem_nd_load(dp, "lp_pause_cap",
+	    usbgem_param_get, NULL, PARAM_LP_PAUSE_CAP);
+	usbgem_nd_load(dp, "lp_asym_pause_cap",
+	    usbgem_param_get, NULL, PARAM_LP_ASYM_PAUSE_CAP);
+	usbgem_nd_load(dp, "lp_1000fdx_cap",
+	    usbgem_param_get, NULL, PARAM_LP_1000FDX_CAP);
+	usbgem_nd_load(dp, "lp_1000hdx_cap",
+	    usbgem_param_get, NULL, PARAM_LP_1000HDX_CAP);
+	usbgem_nd_load(dp, "lp_100T4_cap",
+	    usbgem_param_get, NULL, PARAM_LP_100T4_CAP);
+	usbgem_nd_load(dp, "lp_100fdx_cap",
+	    usbgem_param_get, NULL, PARAM_LP_100FDX_CAP);
+	usbgem_nd_load(dp, "lp_100hdx_cap",
+	    usbgem_param_get, NULL, PARAM_LP_100HDX_CAP);
+	usbgem_nd_load(dp, "lp_10fdx_cap",
+	    usbgem_param_get, NULL, PARAM_LP_10FDX_CAP);
+	usbgem_nd_load(dp, "lp_10hdx_cap",
+	    usbgem_param_get, NULL, PARAM_LP_10HDX_CAP);
+
+	/* Current operating modes */
+	usbgem_nd_load(dp, "link_status",
+	    usbgem_param_get, NULL, PARAM_LINK_STATUS);
+	usbgem_nd_load(dp, "link_speed",
+	    usbgem_param_get, NULL, PARAM_LINK_SPEED);
+	usbgem_nd_load(dp, "link_duplex",
+	    usbgem_param_get, NULL, PARAM_LINK_DUPLEX);
+	usbgem_nd_load(dp, "link_autoneg",
+	    usbgem_param_get, NULL, PARAM_LINK_AUTONEG);
+	usbgem_nd_load(dp, "link_rx_pause",
+	    usbgem_param_get, NULL, PARAM_LINK_RX_PAUSE);
+	usbgem_nd_load(dp, "link_tx_pause",
+	    usbgem_param_get, NULL, PARAM_LINK_TX_PAUSE);
+#ifdef DEBUG_RESUME
+	usbgem_nd_load(dp, "resume_test",
+	    usbgem_param_get, usbgem_param_set, PARAM_RESUME_TEST);
+#endif
+#undef	SETFUNC
+}
+
+static
+enum ioc_reply
+usbgem_nd_ioctl(struct usbgem_dev *dp,
+    queue_t *wq, mblk_t *mp, struct iocblk *iocp)
+{
+	boolean_t	ok;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	switch (iocp->ioc_cmd) {
+	case ND_GET:
+		ok = nd_getset(wq, dp->nd_data_p, mp);
+		DPRINTF(1, (CE_CONT,
+		    "%s: get %s", dp->name, ok ? "OK" : "FAIL"));
+		return (ok ? IOC_REPLY : IOC_INVAL);
+
+	case ND_SET:
+		ok = nd_getset(wq, dp->nd_data_p, mp);
+
+		DPRINTF(1, (CE_CONT, "%s: set %s err %d",
+		    dp->name, ok ? "OK" : "FAIL", iocp->ioc_error));
+
+		if (!ok) {
+			return (IOC_INVAL);
+		}
+
+		if (iocp->ioc_error) {
+			return (IOC_REPLY);
+		}
+
+		return (IOC_RESTART_REPLY);
+	}
+
+	cmn_err(CE_WARN, "%s: invalid cmd 0x%x", dp->name, iocp->ioc_cmd);
+
+	return (IOC_INVAL);
+}
+
+static void
+usbgem_nd_cleanup(struct usbgem_dev *dp)
+{
+	ASSERT(dp->nd_data_p != NULL);
+	ASSERT(dp->nd_arg_p != NULL);
+
+	nd_free(&dp->nd_data_p);
+
+	kmem_free(dp->nd_arg_p, sizeof (struct usbgem_nd_arg) * PARAM_COUNT);
+	dp->nd_arg_p = NULL;
+}
+#endif /* USBGEM_CONFIG_ND */
+
+static void
+usbgem_mac_ioctl(struct usbgem_dev *dp, queue_t *wq, mblk_t *mp)
+{
+	struct iocblk	*iocp;
+	enum ioc_reply	status;
+	int		cmd;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/*
+	 * Validate the command before bothering with the mutex ...
+	 */
+	iocp = (void *)mp->b_rptr;
+	iocp->ioc_error = 0;
+	cmd = iocp->ioc_cmd;
+
+	DPRINTF(1, (CE_CONT, "%s: %s cmd:0x%x", dp->name, __func__, cmd));
+
+#ifdef USBGEM_CONFIG_ND
+	switch (cmd) {
+	default:
+		_NOTE(NOTREACHED)
+		status = IOC_INVAL;
+		break;
+
+	case ND_GET:
+	case ND_SET:
+		status = usbgem_nd_ioctl(dp, wq, mp, iocp);
+		break;
+	}
+
+	/*
+	 * Finally, decide how to reply
+	 */
+	switch (status) {
+	default:
+	case IOC_INVAL:
+		/*
+		 * Error, reply with a NAK and EINVAL or the specified error
+		 */
+		miocnak(wq, mp, 0, iocp->ioc_error == 0 ?
+		    EINVAL : iocp->ioc_error);
+		break;
+
+	case IOC_DONE:
+		/*
+		 * OK, reply already sent
+		 */
+		break;
+
+	case IOC_RESTART_ACK:
+	case IOC_ACK:
+		/*
+		 * OK, reply with an ACK
+		 */
+		miocack(wq, mp, 0, 0);
+		break;
+
+	case IOC_RESTART_REPLY:
+	case IOC_REPLY:
+		/*
+		 * OK, send prepared reply as ACK or NAK
+		 */
+		mp->b_datap->db_type =
+		    iocp->ioc_error == 0 ? M_IOCACK : M_IOCNAK;
+		qreply(wq, mp);
+		break;
+	}
+#else
+	miocnak(wq, mp, 0, EINVAL);
+	return;
+#endif /* USBGEM_CONFIG_GLDv3 */
+}
+
+#ifndef SYS_MAC_H
+#define	XCVR_UNDEFINED	0
+#define	XCVR_NONE	1
+#define	XCVR_10		2
+#define	XCVR_100T4	3
+#define	XCVR_100X	4
+#define	XCVR_100T2	5
+#define	XCVR_1000X	6
+#define	XCVR_1000T	7
+#endif
+static int
+usbgem_mac_xcvr_inuse(struct usbgem_dev *dp)
+{
+	int	val = XCVR_UNDEFINED;
+
+	if ((dp->mii_status & MII_STATUS_XSTATUS) == 0) {
+		if (dp->mii_status & MII_STATUS_100_BASE_T4) {
+			val = XCVR_100T4;
+		} else if (dp->mii_status &
+		    (MII_STATUS_100_BASEX_FD |
+		    MII_STATUS_100_BASEX)) {
+			val = XCVR_100X;
+		} else if (dp->mii_status &
+		    (MII_STATUS_100_BASE_T2_FD |
+		    MII_STATUS_100_BASE_T2)) {
+			val = XCVR_100T2;
+		} else if (dp->mii_status &
+		    (MII_STATUS_10_FD | MII_STATUS_10)) {
+			val = XCVR_10;
+		}
+	} else if (dp->mii_xstatus &
+	    (MII_XSTATUS_1000BASET_FD | MII_XSTATUS_1000BASET)) {
+		val = XCVR_1000T;
+	} else if (dp->mii_xstatus &
+	    (MII_XSTATUS_1000BASEX_FD | MII_XSTATUS_1000BASEX)) {
+		val = XCVR_1000X;
+	}
+
+	return (val);
+}
+
+#ifdef USBGEM_CONFIG_GLDv3
+/* ============================================================== */
+/*
+ * GLDv3 interface
+ */
+/* ============================================================== */
+static int	usbgem_m_getstat(void *, uint_t, uint64_t *);
+static int	usbgem_m_start(void *);
+static void	usbgem_m_stop(void *);
+static int	usbgem_m_setpromisc(void *, boolean_t);
+static int	usbgem_m_multicst(void *, boolean_t, const uint8_t *);
+static int	usbgem_m_unicst(void *, const uint8_t *);
+static mblk_t	*usbgem_m_tx(void *, mblk_t *);
+static void	usbgem_m_ioctl(void *, queue_t *, mblk_t *);
+#ifdef GEM_CONFIG_MAC_PROP
+static int	usbgem_m_setprop(void *, const char *, mac_prop_id_t,
+    uint_t, const void *);
+#ifdef MAC_VERSION_V1
+static int	usbgem_m_getprop(void *, const char *, mac_prop_id_t,
+    uint_t, void *);
+#else
+static int	usbgem_m_getprop(void *, const char *, mac_prop_id_t,
+    uint_t, uint_t, void *, uint_t *);
+#endif
+#endif
+
+#ifdef _SYS_MAC_PROVIDER_H
+#define	GEM_M_CALLBACK_FLAGS	(MC_IOCTL)
+#else
+#define	GEM_M_CALLBACK_FLAGS	(MC_IOCTL)
+#endif
+
+static mac_callbacks_t gem_m_callbacks = {
+#ifdef USBGEM_CONFIG_MAC_PROP
+#ifdef MAC_VERSION_V1
+	GEM_M_CALLBACK_FLAGS | MC_SETPROP | MC_GETPROP | MC_PROPINFO,
+#else
+	GEM_M_CALLBACK_FLAGS | MC_SETPROP | MC_GETPROP,
+#endif
+#else
+	GEM_M_CALLBACK_FLAGS,
+#endif
+	usbgem_m_getstat,
+	usbgem_m_start,
+	usbgem_m_stop,
+	usbgem_m_setpromisc,
+	usbgem_m_multicst,
+	usbgem_m_unicst,
+	usbgem_m_tx,
+#ifdef _SYS_MAC_PROVIDER_H
+#ifdef MAC_VERSION_V1
+	NULL,
+#endif
+#else
+	NULL,	/* m_resources */
+#endif
+	usbgem_m_ioctl,
+	NULL, /* m_getcapab */
+#ifdef USBGEM_CONFIG_MAC_PROP
+	NULL,
+	NULL,
+	usbgem_m_setprop,
+	usbgem_m_getprop,
+#endif
+#ifdef MAC_VERSION_V1
+	usbgem_m_propinfo,
+#endif
+};
+
+static int
+usbgem_m_start(void *arg)
+{
+	int	ret;
+	int	err;
+	struct usbgem_dev *dp = arg;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	err = EIO;
+
+	rw_enter(&dp->dev_state_lock, RW_WRITER);
+	dp->nic_state = NIC_STATE_ONLINE;
+
+	if (dp->mac_state == MAC_STATE_DISCONNECTED) {
+		err = 0;
+		goto x;
+	}
+	if (usbgem_mac_init(dp) != USB_SUCCESS) {
+		goto x;
+	}
+
+	/* initialize rx filter state */
+	sema_p(&dp->rxfilter_lock);
+	dp->mc_count = 0;
+	dp->mc_count_req = 0;
+
+	bcopy(dp->dev_addr.ether_addr_octet,
+	    dp->cur_addr.ether_addr_octet, ETHERADDRL);
+	dp->rxmode |= RXMODE_ENABLE;
+
+	ret = usbgem_hal_set_rx_filter(dp);
+	sema_v(&dp->rxfilter_lock);
+
+	if (ret != USB_SUCCESS) {
+		goto x;
+	}
+
+	if (dp->mii_state == MII_STATE_LINKUP) {
+		/* setup media mode if the link have been up */
+		if (usbgem_hal_set_media(dp) != USB_SUCCESS) {
+			goto x;
+		}
+		if (usbgem_mac_start(dp) != USB_SUCCESS) {
+			goto x;
+		}
+	}
+
+	err = 0;
+x:
+	rw_exit(&dp->dev_state_lock);
+	return (err);
+}
+
+static void
+usbgem_m_stop(void *arg)
+{
+	struct usbgem_dev	*dp = arg;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/* stop rx gracefully */
+	rw_enter(&dp->dev_state_lock, RW_READER);
+	sema_p(&dp->rxfilter_lock);
+	dp->rxmode &= ~RXMODE_ENABLE;
+
+	if (dp->mac_state != MAC_STATE_DISCONNECTED) {
+		(void) usbgem_hal_set_rx_filter(dp);
+	}
+	sema_v(&dp->rxfilter_lock);
+	rw_exit(&dp->dev_state_lock);
+
+	/* make the nic state inactive */
+	rw_enter(&dp->dev_state_lock, RW_WRITER);
+	dp->nic_state = NIC_STATE_STOPPED;
+
+	/* stop mac completely */
+	if (dp->mac_state != MAC_STATE_DISCONNECTED) {
+		(void) usbgem_mac_stop(dp, MAC_STATE_STOPPED, STOP_GRACEFUL);
+	}
+	rw_exit(&dp->dev_state_lock);
+}
+
+static int
+usbgem_m_multicst(void *arg, boolean_t add, const uint8_t *ep)
+{
+	int	err;
+	int	ret;
+	struct usbgem_dev	*dp = arg;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	rw_enter(&dp->dev_state_lock, RW_READER);
+	if (add) {
+		ret = usbgem_add_multicast(dp, ep);
+	} else {
+		ret = usbgem_remove_multicast(dp, ep);
+	}
+	rw_exit(&dp->dev_state_lock);
+
+	err = 0;
+	if (ret != USB_SUCCESS) {
+#ifdef GEM_CONFIG_FMA
+		ddi_fm_service_impact(dp->dip, DDI_SERVICE_DEGRADED);
+#endif
+		err = EIO;
+	}
+
+	return (err);
+}
+
+static int
+usbgem_m_setpromisc(void *arg, boolean_t on)
+{
+	int	err;
+	struct usbgem_dev	*dp = arg;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	rw_enter(&dp->dev_state_lock, RW_READER);
+
+	sema_p(&dp->rxfilter_lock);
+	if (on) {
+		dp->rxmode |= RXMODE_PROMISC;
+	} else {
+		dp->rxmode &= ~RXMODE_PROMISC;
+	}
+
+	err = 0;
+	if (dp->mac_state != MAC_STATE_DISCONNECTED) {
+		if (usbgem_hal_set_rx_filter(dp) != USB_SUCCESS) {
+			err = EIO;
+		}
+	}
+	sema_v(&dp->rxfilter_lock);
+
+	rw_exit(&dp->dev_state_lock);
+
+#ifdef GEM_CONFIG_FMA
+	if (err != 0) {
+		ddi_fm_service_impact(dp->dip, DDI_SERVICE_DEGRADED);
+	}
+#endif
+	return (err);
+}
+
+int
+usbgem_m_getstat(void *arg, uint_t stat, uint64_t *valp)
+{
+	int	ret;
+	uint64_t	val;
+	struct usbgem_dev	*dp = arg;
+	struct usbgem_stats	*gstp = &dp->stats;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	rw_enter(&dp->dev_state_lock, RW_READER);
+	if (dp->mac_state == MAC_STATE_DISCONNECTED) {
+		rw_exit(&dp->dev_state_lock);
+		return (0);
+	}
+	ret = usbgem_hal_get_stats(dp);
+	rw_exit(&dp->dev_state_lock);
+
+#ifdef GEM_CONFIG_FMA
+	if (ret != USB_SUCCESS) {
+		ddi_fm_service_impact(dp->dip, DDI_SERVICE_DEGRADED);
+		return (EIO);
+	}
+#endif
+
+	switch (stat) {
+	case MAC_STAT_IFSPEED:
+		val = usbgem_speed_value[dp->speed] *1000000ull;
+		break;
+
+	case MAC_STAT_MULTIRCV:
+		val = gstp->rmcast;
+		break;
+
+	case MAC_STAT_BRDCSTRCV:
+		val = gstp->rbcast;
+		break;
+
+	case MAC_STAT_MULTIXMT:
+		val = gstp->omcast;
+		break;
+
+	case MAC_STAT_BRDCSTXMT:
+		val = gstp->obcast;
+		break;
+
+	case MAC_STAT_NORCVBUF:
+		val = gstp->norcvbuf + gstp->missed;
+		break;
+
+	case MAC_STAT_IERRORS:
+		val = gstp->errrcv;
+		break;
+
+	case MAC_STAT_NOXMTBUF:
+		val = gstp->noxmtbuf;
+		break;
+
+	case MAC_STAT_OERRORS:
+		val = gstp->errxmt;
+		break;
+
+	case MAC_STAT_COLLISIONS:
+		val = gstp->collisions;
+		break;
+
+	case MAC_STAT_RBYTES:
+		val = gstp->rbytes;
+		break;
+
+	case MAC_STAT_IPACKETS:
+		val = gstp->rpackets;
+		break;
+
+	case MAC_STAT_OBYTES:
+		val = gstp->obytes;
+		break;
+
+	case MAC_STAT_OPACKETS:
+		val = gstp->opackets;
+		break;
+
+	case MAC_STAT_UNDERFLOWS:
+		val = gstp->underflow;
+		break;
+
+	case MAC_STAT_OVERFLOWS:
+		val = gstp->overflow;
+		break;
+
+	case ETHER_STAT_ALIGN_ERRORS:
+		val = gstp->frame;
+		break;
+
+	case ETHER_STAT_FCS_ERRORS:
+		val = gstp->crc;
+		break;
+
+	case ETHER_STAT_FIRST_COLLISIONS:
+		val = gstp->first_coll;
+		break;
+
+	case ETHER_STAT_MULTI_COLLISIONS:
+		val = gstp->multi_coll;
+		break;
+
+	case ETHER_STAT_SQE_ERRORS:
+		val = gstp->sqe;
+		break;
+
+	case ETHER_STAT_DEFER_XMTS:
+		val = gstp->defer;
+		break;
+
+	case ETHER_STAT_TX_LATE_COLLISIONS:
+		val = gstp->xmtlatecoll;
+		break;
+
+	case ETHER_STAT_EX_COLLISIONS:
+		val = gstp->excoll;
+		break;
+
+	case ETHER_STAT_MACXMT_ERRORS:
+		val = gstp->xmit_internal_err;
+		break;
+
+	case ETHER_STAT_CARRIER_ERRORS:
+		val = gstp->nocarrier;
+		break;
+
+	case ETHER_STAT_TOOLONG_ERRORS:
+		val = gstp->frame_too_long;
+		break;
+
+	case ETHER_STAT_MACRCV_ERRORS:
+		val = gstp->rcv_internal_err;
+		break;
+
+	case ETHER_STAT_XCVR_ADDR:
+		val = dp->mii_phy_addr;
+		break;
+
+	case ETHER_STAT_XCVR_ID:
+		val = dp->mii_phy_id;
+		break;
+
+	case ETHER_STAT_XCVR_INUSE:
+		val = usbgem_mac_xcvr_inuse(dp);
+		break;
+
+	case ETHER_STAT_CAP_1000FDX:
+		val = (dp->mii_xstatus & MII_XSTATUS_1000BASET_FD) ||
+		    (dp->mii_xstatus & MII_XSTATUS_1000BASEX_FD);
+		break;
+
+	case ETHER_STAT_CAP_1000HDX:
+		val = (dp->mii_xstatus & MII_XSTATUS_1000BASET) ||
+		    (dp->mii_xstatus & MII_XSTATUS_1000BASEX);
+		break;
+
+	case ETHER_STAT_CAP_100FDX:
+		val = BOOLEAN(dp->mii_status & MII_STATUS_100_BASEX_FD);
+		break;
+
+	case ETHER_STAT_CAP_100HDX:
+		val = BOOLEAN(dp->mii_status & MII_STATUS_100_BASEX);
+		break;
+
+	case ETHER_STAT_CAP_10FDX:
+		val = BOOLEAN(dp->mii_status & MII_STATUS_10_FD);
+		break;
+
+	case ETHER_STAT_CAP_10HDX:
+		val = BOOLEAN(dp->mii_status & MII_STATUS_10);
+		break;
+
+	case ETHER_STAT_CAP_ASMPAUSE:
+		val = dp->ugc.usbgc_flow_control > FLOW_CONTROL_SYMMETRIC;
+		break;
+
+	case ETHER_STAT_CAP_PAUSE:
+		val = dp->ugc.usbgc_flow_control != FLOW_CONTROL_NONE;
+		break;
+
+	case ETHER_STAT_CAP_AUTONEG:
+		val = BOOLEAN(dp->mii_status & MII_STATUS_CANAUTONEG);
+		break;
+
+	case ETHER_STAT_ADV_CAP_1000FDX:
+		val = dp->anadv_1000fdx;
+		break;
+
+	case ETHER_STAT_ADV_CAP_1000HDX:
+		val = dp->anadv_1000hdx;
+		break;
+
+	case ETHER_STAT_ADV_CAP_100FDX:
+		val = dp->anadv_100fdx;
+		break;
+
+	case ETHER_STAT_ADV_CAP_100HDX:
+		val = dp->anadv_100hdx;
+		break;
+
+	case ETHER_STAT_ADV_CAP_10FDX:
+		val = dp->anadv_10fdx;
+		break;
+
+	case ETHER_STAT_ADV_CAP_10HDX:
+		val = dp->anadv_10hdx;
+		break;
+
+	case ETHER_STAT_ADV_CAP_ASMPAUSE:
+		val = dp->anadv_asmpause;
+		break;
+
+	case ETHER_STAT_ADV_CAP_PAUSE:
+		val = dp->anadv_pause;
+		break;
+
+	case ETHER_STAT_ADV_CAP_AUTONEG:
+		val = dp->anadv_autoneg;
+		break;
+
+	case ETHER_STAT_LP_CAP_1000FDX:
+		val = BOOLEAN(dp->mii_stat1000 & MII_1000TS_LP_FULL);
+		break;
+
+	case ETHER_STAT_LP_CAP_1000HDX:
+		val = BOOLEAN(dp->mii_stat1000 & MII_1000TS_LP_HALF);
+		break;
+
+	case ETHER_STAT_LP_CAP_100FDX:
+		val = BOOLEAN(dp->mii_lpable & MII_ABILITY_100BASE_TX_FD);
+		break;
+
+	case ETHER_STAT_LP_CAP_100HDX:
+		val = BOOLEAN(dp->mii_lpable & MII_ABILITY_100BASE_TX);
+		break;
+
+	case ETHER_STAT_LP_CAP_10FDX:
+		val = BOOLEAN(dp->mii_lpable & MII_ABILITY_10BASE_T_FD);
+		break;
+
+	case ETHER_STAT_LP_CAP_10HDX:
+		val = BOOLEAN(dp->mii_lpable & MII_ABILITY_10BASE_T);
+		break;
+
+	case ETHER_STAT_LP_CAP_ASMPAUSE:
+		val = BOOLEAN(dp->mii_lpable & MII_ABILITY_ASM_DIR);
+		break;
+
+	case ETHER_STAT_LP_CAP_PAUSE:
+		val = BOOLEAN(dp->mii_lpable & MII_ABILITY_PAUSE);
+		break;
+
+	case ETHER_STAT_LP_CAP_AUTONEG:
+		val = BOOLEAN(dp->mii_exp & MII_AN_EXP_LPCANAN);
+		break;
+
+	case ETHER_STAT_LINK_ASMPAUSE:
+		val = BOOLEAN(dp->flow_control & 2);
+		break;
+
+	case ETHER_STAT_LINK_PAUSE:
+		val = BOOLEAN(dp->flow_control & 1);
+		break;
+
+	case ETHER_STAT_LINK_AUTONEG:
+		val = dp->anadv_autoneg &&
+		    BOOLEAN(dp->mii_exp & MII_AN_EXP_LPCANAN);
+		break;
+
+	case ETHER_STAT_LINK_DUPLEX:
+		val = (dp->mii_state == MII_STATE_LINKUP) ?
+		    (dp->full_duplex ? 2 : 1) : 0;
+		break;
+
+	case ETHER_STAT_TOOSHORT_ERRORS:
+		val = gstp->runt;
+		break;
+#ifdef NEVER	/* it doesn't make sense */
+	case ETHER_STAT_CAP_REMFAULT:
+		val = B_TRUE;
+		break;
+
+	case ETHER_STAT_ADV_REMFAULT:
+		val = dp->anadv_remfault;
+		break;
+#endif
+	case ETHER_STAT_LP_REMFAULT:
+		val = BOOLEAN(dp->mii_lpable & MII_AN_ADVERT_REMFAULT);
+		break;
+
+	case ETHER_STAT_JABBER_ERRORS:
+		val = gstp->jabber;
+		break;
+
+	case ETHER_STAT_CAP_100T4:
+		val = BOOLEAN(dp->mii_status & MII_STATUS_100_BASE_T4);
+		break;
+
+	case ETHER_STAT_ADV_CAP_100T4:
+		val = dp->anadv_100t4;
+		break;
+
+	case ETHER_STAT_LP_CAP_100T4:
+		val = BOOLEAN(dp->mii_lpable & MII_ABILITY_100BASE_T4);
+		break;
+
+	default:
+#if GEM_DEBUG_LEVEL > 2
+		cmn_err(CE_WARN,
+		    "%s: unrecognized parameter value = %d",
+		    __func__, stat);
+#endif
+		*valp = 0;
+		return (ENOTSUP);
+	}
+
+	*valp = val;
+
+	return (0);
+}
+
+static int
+usbgem_m_unicst(void *arg, const uint8_t *mac)
+{
+	int	err;
+	struct usbgem_dev	*dp = arg;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	rw_enter(&dp->dev_state_lock, RW_READER);
+
+	sema_p(&dp->rxfilter_lock);
+	bcopy(mac, dp->cur_addr.ether_addr_octet, ETHERADDRL);
+	dp->rxmode |= RXMODE_ENABLE;
+
+	err = 0;
+	if (dp->mac_state != MAC_STATE_DISCONNECTED) {
+		if (usbgem_hal_set_rx_filter(dp) != USB_SUCCESS) {
+			err = EIO;
+		}
+	}
+	sema_v(&dp->rxfilter_lock);
+	rw_exit(&dp->dev_state_lock);
+
+#ifdef GEM_CONFIG_FMA
+	if (err != 0) {
+		ddi_fm_service_impact(dp->dip, DDI_SERVICE_DEGRADED);
+	}
+#endif
+	return (err);
+}
+
+/*
+ * usbgem_m_tx is used only for sending data packets into ethernet wire.
+ */
+static mblk_t *
+usbgem_m_tx(void *arg, mblk_t *mp_head)
+{
+	int	limit;
+	mblk_t	*mp;
+	mblk_t	*nmp;
+	uint32_t	flags;
+	struct usbgem_dev	*dp = arg;
+
+	DPRINTF(4, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	mp = mp_head;
+	flags = 0;
+
+	rw_enter(&dp->dev_state_lock, RW_READER);
+
+	if (dp->mii_state != MII_STATE_LINKUP ||
+	    dp->mac_state != MAC_STATE_ONLINE) {
+		/* some nics hate to send packets during the link is down */
+		for (; mp; mp = nmp) {
+			nmp = mp->b_next;
+			mp->b_next = NULL;
+			freemsg(mp);
+		}
+		goto x;
+	}
+
+	ASSERT(dp->nic_state == NIC_STATE_ONLINE);
+
+	limit = dp->tx_max_packets;
+	for (; limit-- && mp; mp = nmp) {
+		nmp = mp->b_next;
+		mp->b_next = NULL;
+		if (usbgem_send_common(dp, mp,
+		    (limit == 0 && nmp) ? 1 : 0)) {
+			mp->b_next = nmp;
+			break;
+		}
+	}
+#ifdef CONFIG_TX_LIMITER
+	if (mp == mp_head) {
+		/* no packets were sent, descrease allocation limit */
+		mutex_enter(&dp->txlock);
+		dp->tx_max_packets = max(dp->tx_max_packets - 1, 1);
+		mutex_exit(&dp->txlock);
+	}
+#endif
+x:
+	rw_exit(&dp->dev_state_lock);
+
+	return (mp);
+}
+
+static void
+usbgem_m_ioctl(void *arg, queue_t *wq, mblk_t *mp)
+{
+	struct usbgem_dev	*dp = arg;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called",
+	    ((struct usbgem_dev *)arg)->name, __func__));
+
+	rw_enter(&dp->dev_state_lock, RW_READER);
+	usbgem_mac_ioctl((struct usbgem_dev *)arg, wq, mp);
+	rw_exit(&dp->dev_state_lock);
+}
+
+static void
+usbgem_gld3_init(struct usbgem_dev *dp, mac_register_t *macp)
+{
+	macp->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
+	macp->m_driver = dp;
+	macp->m_dip = dp->dip;
+	macp->m_src_addr = dp->dev_addr.ether_addr_octet;
+	macp->m_callbacks = &gem_m_callbacks;
+	macp->m_min_sdu = 0;
+	macp->m_max_sdu = dp->mtu;
+
+	if (dp->misc_flag & USBGEM_VLAN) {
+		macp->m_margin = VTAG_SIZE;
+	}
+}
+#else
+/* ============================================================== */
+/*
+ * GLDv2 interface
+ */
+/* ============================================================== */
+static int usbgem_gld_reset(gld_mac_info_t *);
+static int usbgem_gld_start(gld_mac_info_t *);
+static int usbgem_gld_stop(gld_mac_info_t *);
+static int usbgem_gld_set_mac_address(gld_mac_info_t *, uint8_t *);
+static int usbgem_gld_set_multicast(gld_mac_info_t *, uint8_t *, int);
+static int usbgem_gld_set_promiscuous(gld_mac_info_t *, int);
+static int usbgem_gld_get_stats(gld_mac_info_t *, struct gld_stats *);
+static int usbgem_gld_send(gld_mac_info_t *, mblk_t *);
+static int usbgem_gld_send_tagged(gld_mac_info_t *, mblk_t *, uint32_t);
+
+static int
+usbgem_gld_reset(gld_mac_info_t *macinfo)
+{
+	int	err;
+	struct usbgem_dev	*dp;
+
+	err = GLD_SUCCESS;
+	dp = (struct usbgem_dev *)macinfo->gldm_private;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	rw_enter(&dp->dev_state_lock, RW_WRITER);
+	if (usbgem_mac_init(dp) != USB_SUCCESS) {
+		err = GLD_FAILURE;
+		goto x;
+	}
+
+	dp->nic_state = NIC_STATE_INITIALIZED;
+
+	/* setup media mode if the link have been up */
+	if (dp->mii_state == MII_STATE_LINKUP) {
+		if (dp->mac_state != MAC_STATE_DISCONNECTED) {
+			(void) usbgem_hal_set_media(dp);
+		}
+	}
+x:
+	rw_exit(&dp->dev_state_lock);
+	return (err);
+}
+
+static int
+usbgem_gld_start(gld_mac_info_t *macinfo)
+{
+	int	err;
+	struct usbgem_dev *dp;
+
+	dp = (struct usbgem_dev *)macinfo->gldm_private;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	rw_enter(&dp->dev_state_lock, RW_WRITER);
+
+	dp->nic_state = NIC_STATE_ONLINE;
+
+	if (dp->mii_state == MII_STATE_LINKUP) {
+		if (usbgem_mac_start(dp) != USB_SUCCESS) {
+			/* sema_v(&dp->mii_lock); */
+			err = GLD_FAILURE;
+			goto x;
+		}
+	}
+
+	/*
+	 * XXX - don't call gld_linkstate() here,
+	 * otherwise it cause recursive mutex call.
+	 */
+	err = GLD_SUCCESS;
+x:
+	rw_exit(&dp->dev_state_lock);
+
+	return (err);
+}
+
+static int
+usbgem_gld_stop(gld_mac_info_t *macinfo)
+{
+	int	err = GLD_SUCCESS;
+	struct usbgem_dev	*dp;
+
+	dp = (struct usbgem_dev *)macinfo->gldm_private;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/* try to stop rx gracefully */
+	rw_enter(&dp->dev_state_lock, RW_READER);
+	sema_p(&dp->rxfilter_lock);
+	dp->rxmode &= ~RXMODE_ENABLE;
+
+	if (dp->mac_state != MAC_STATE_DISCONNECTED) {
+		(void) usbgem_hal_set_rx_filter(dp);
+	}
+	sema_v(&dp->rxfilter_lock);
+	rw_exit(&dp->dev_state_lock);
+
+	/* make the nic state inactive */
+	rw_enter(&dp->dev_state_lock, RW_WRITER);
+	dp->nic_state = NIC_STATE_STOPPED;
+
+	if (dp->mac_state != MAC_STATE_DISCONNECTED) {
+		if (usbgem_mac_stop(dp, MAC_STATE_STOPPED, STOP_GRACEFUL)
+		    != USB_SUCCESS) {
+			err = GLD_FAILURE;
+		}
+	}
+	rw_exit(&dp->dev_state_lock);
+
+	return (err);
+}
+
+static int
+usbgem_gld_set_multicast(gld_mac_info_t *macinfo, uint8_t *ep, int flag)
+{
+	int		err;
+	int		ret;
+	struct usbgem_dev	*dp;
+
+	dp = (struct usbgem_dev *)macinfo->gldm_private;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	rw_enter(&dp->dev_state_lock, RW_READER);
+	if (flag == GLD_MULTI_ENABLE) {
+		ret = usbgem_add_multicast(dp, ep);
+	} else {
+		ret = usbgem_remove_multicast(dp, ep);
+	}
+	rw_exit(&dp->dev_state_lock);
+
+	err = GLD_SUCCESS;
+	if (ret != USB_SUCCESS) {
+#ifdef GEM_CONFIG_FMA
+		ddi_fm_service_impact(dp->dip, DDI_SERVICE_DEGRADED);
+#endif
+		err = GLD_FAILURE;
+	}
+	return (err);
+}
+
+static int
+usbgem_gld_set_promiscuous(gld_mac_info_t *macinfo, int flag)
+{
+	boolean_t	need_to_change = B_TRUE;
+	struct usbgem_dev	*dp;
+
+	dp = (struct usbgem_dev *)macinfo->gldm_private;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	sema_p(&dp->rxfilter_lock);
+	if (flag == GLD_MAC_PROMISC_NONE) {
+		dp->rxmode &= ~(RXMODE_PROMISC | RXMODE_ALLMULTI_REQ);
+	} else if (flag == GLD_MAC_PROMISC_MULTI) {
+		dp->rxmode |= RXMODE_ALLMULTI_REQ;
+	} else if (flag == GLD_MAC_PROMISC_PHYS) {
+		dp->rxmode |= RXMODE_PROMISC;
+	} else {
+		/* mode unchanged */
+		need_to_change = B_FALSE;
+	}
+
+	if (need_to_change) {
+		if (dp->mac_state != MAC_STATE_DISCONNECTED) {
+			(void) usbgem_hal_set_rx_filter(dp);
+		}
+	}
+	sema_v(&dp->rxfilter_lock);
+
+	return (GLD_SUCCESS);
+}
+
+static int
+usbgem_gld_set_mac_address(gld_mac_info_t *macinfo, uint8_t *mac)
+{
+	struct usbgem_dev	*dp;
+	dp = (struct usbgem_dev *)macinfo->gldm_private;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	sema_p(&dp->rxfilter_lock);
+	bcopy(mac, dp->cur_addr.ether_addr_octet, ETHERADDRL);
+	dp->rxmode |= RXMODE_ENABLE;
+
+	if (dp->mac_state != MAC_STATE_DISCONNECTED) {
+		(void) usbgem_hal_set_rx_filter(dp);
+	}
+	sema_v(&dp->rxfilter_lock);
+
+	return (GLD_SUCCESS);
+}
+
+static	int
+usbgem_gld_get_stats(gld_mac_info_t *macinfo, struct gld_stats *gs)
+{
+	struct usbgem_dev	*dp;
+	struct usbgem_stats	*vs;
+
+	dp = (struct usbgem_dev *)macinfo->gldm_private;
+
+	if ((*dp->ugc.usbgc_get_stats)(dp) != USB_SUCCESS) {
+#ifdef GEM_CONFIG_FMA
+		ddi_fm_service_impact(dp->dip, DDI_SERVICE_DEGRADED);
+#endif
+		return (USB_FAILURE);
+	}
+
+	vs = &dp->stats;
+
+	gs->glds_errxmt = vs->errxmt;
+	gs->glds_errrcv = vs->errrcv;
+	gs->glds_collisions = vs->collisions;
+
+	gs->glds_excoll = vs->excoll;
+	gs->glds_defer = vs->defer;
+	gs->glds_frame = vs->frame;
+	gs->glds_crc = vs->crc;
+
+	gs->glds_overflow = vs->overflow; /* fifo err,underrun,rbufovf */
+	gs->glds_underflow = vs->underflow;
+	gs->glds_short = vs->runt;
+	gs->glds_missed = vs->missed; /* missed pkts while rbuf ovf */
+	gs->glds_xmtlatecoll = vs->xmtlatecoll;
+	gs->glds_nocarrier = vs->nocarrier;
+	gs->glds_norcvbuf = vs->norcvbuf;	/* OS resource exaust */
+	gs->glds_intr = vs->intr;
+
+	/* all before here must be kept in place for v0 compatibility */
+	gs->glds_speed = usbgem_speed_value[dp->speed] * 1000000;
+	gs->glds_media = GLDM_PHYMII;
+	gs->glds_duplex = dp->full_duplex ? GLD_DUPLEX_FULL : GLD_DUPLEX_HALF;
+
+	/* gs->glds_media_specific */
+	gs->glds_dot3_first_coll = vs->first_coll;
+	gs->glds_dot3_multi_coll = vs->multi_coll;
+	gs->glds_dot3_sqe_error = 0;
+	gs->glds_dot3_mac_xmt_error = 0;
+	gs->glds_dot3_mac_rcv_error = 0;
+	gs->glds_dot3_frame_too_long = vs->frame_too_long;
+
+	return (GLD_SUCCESS);
+}
+
+static int
+usbgem_gld_ioctl(gld_mac_info_t *macinfo, queue_t *wq, mblk_t *mp)
+{
+	struct usbgem_dev	*dp;
+
+	dp = (struct usbgem_dev *)macinfo->gldm_private;
+	usbgem_mac_ioctl(dp, wq, mp);
+
+	return (GLD_SUCCESS);
+}
+
+/*
+ * gem_gld_send is used only for sending data packets into ethernet wire.
+ */
+static int
+usbgem_gld_send(gld_mac_info_t *macinfo, mblk_t *mp)
+{
+	int		ret;
+	uint32_t	flags = 0;
+	struct usbgem_dev	*dp;
+
+	dp = (struct usbgem_dev *)macinfo->gldm_private;
+
+	/* nic state must be online of suspended */
+	rw_enter(&dp->dev_state_lock, RW_READER);
+
+	ASSERT(dp->nic_state == NIC_STATE_ONLINE);
+	ASSERT(mp->b_next == NULL);
+
+	if (dp->mii_state != MII_STATE_LINKUP) {
+		/* Some nics hate to send packets while the link is down. */
+		/* we discard the untransmitted packets silently */
+		rw_exit(&dp->dev_state_lock);
+
+		freemsg(mp);
+#ifdef GEM_CONFIG_FMA
+		/* FIXME - should we ignore the error? */
+		ddi_fm_service_impact(dp->dip, DDI_SERVICE_DEGRADED);
+#endif
+		return (GLD_SUCCESS);
+	}
+
+	ret = (usbgem_send_common(dp, mp, flags) == NULL)
+	    ? GLD_SUCCESS : GLD_NORESOURCES;
+	rw_exit(&dp->dev_state_lock);
+
+	return (ret);
+}
+
+/*
+ * usbgem_gld_send is used only for sending data packets into ethernet wire.
+ */
+static int
+usbgem_gld_send_tagged(gld_mac_info_t *macinfo, mblk_t *mp, uint32_t vtag)
+{
+	uint32_t	flags;
+	struct usbgem_dev	*dp;
+
+	dp = (struct usbgem_dev *)macinfo->gldm_private;
+
+	/*
+	 * Some nics hate to send packets while the link is down.
+	 */
+	if (dp->mii_state != MII_STATE_LINKUP) {
+		/* we dicard the untransmitted packets silently */
+		freemsg(mp);
+#ifdef GEM_CONFIG_FMA
+		/* FIXME - should we ignore the error? */
+		ddi_fm_service_impact(dp->dip, DDI_SERVICE_UNAFFECTED);
+#endif
+		return (GLD_SUCCESS);
+	}
+#ifdef notyet
+	flags = GLD_VTAG_TCI(vtag) << GEM_SEND_VTAG_SHIFT;
+#endif
+	return ((usbgem_send_common(dp, mp, 0) == NULL) ?
+	    GLD_SUCCESS : GLD_NORESOURCES);
+}
+
+static void
+usbgem_gld_init(struct usbgem_dev *dp, gld_mac_info_t *macinfo, char *ident)
+{
+	/*
+	 * configure GLD
+	 */
+	macinfo->gldm_devinfo = dp->dip;
+	macinfo->gldm_private = (caddr_t)dp;
+
+	macinfo->gldm_reset = usbgem_gld_reset;
+	macinfo->gldm_start = usbgem_gld_start;
+	macinfo->gldm_stop = usbgem_gld_stop;
+	macinfo->gldm_set_mac_addr = usbgem_gld_set_mac_address;
+	macinfo->gldm_send = usbgem_gld_send;
+	macinfo->gldm_set_promiscuous = usbgem_gld_set_promiscuous;
+	macinfo->gldm_get_stats = usbgem_gld_get_stats;
+	macinfo->gldm_ioctl = usbgem_gld_ioctl;
+	macinfo->gldm_set_multicast = usbgem_gld_set_multicast;
+	macinfo->gldm_intr = NULL;
+	macinfo->gldm_mctl = NULL;
+
+	macinfo->gldm_ident = ident;
+	macinfo->gldm_type = DL_ETHER;
+	macinfo->gldm_minpkt = 0;
+	macinfo->gldm_maxpkt = dp->mtu;
+	macinfo->gldm_addrlen = ETHERADDRL;
+	macinfo->gldm_saplen = -2;
+	macinfo->gldm_ppa = ddi_get_instance(dp->dip);
+#ifdef GLD_CAP_LINKSTATE
+	macinfo->gldm_capabilities = GLD_CAP_LINKSTATE;
+#endif
+	macinfo->gldm_vendor_addr = dp->dev_addr.ether_addr_octet;
+	macinfo->gldm_broadcast_addr = usbgem_bcastaddr;
+}
+#endif /* USBGEM_CONFIG_GLDv3 */
+
+
+/* ======================================================================== */
+/*
+ * .conf interface
+ */
+/* ======================================================================== */
+void
+usbgem_generate_macaddr(struct usbgem_dev *dp, uint8_t *mac)
+{
+	extern char	hw_serial[];
+	char		*hw_serial_p;
+	int		i;
+	uint64_t	val;
+	uint64_t	key;
+
+	cmn_err(CE_NOTE,
+	    "!%s: using temp ether address,"
+	    " do not use this for long time",
+	    dp->name);
+
+	/* prefer a fixed address for DHCP */
+	hw_serial_p = &hw_serial[0];
+	val = stoi(&hw_serial_p);
+
+	key = 0;
+	for (i = 0; i < USBGEM_NAME_LEN; i++) {
+		if (dp->name[i] == 0) {
+			break;
+		}
+		key ^= dp->name[i];
+	}
+	key ^= ddi_get_instance(dp->dip);
+	val ^= key << 32;
+
+	/* generate a local address */
+	mac[0] = 0x02;
+	mac[1] = (uint8_t)(val >> 32);
+	mac[2] = (uint8_t)(val >> 24);
+	mac[3] = (uint8_t)(val >> 16);
+	mac[4] = (uint8_t)(val >> 8);
+	mac[5] = (uint8_t)val;
+}
+
+boolean_t
+usbgem_get_mac_addr_conf(struct usbgem_dev *dp)
+{
+	char		propname[32];
+	char		*valstr;
+	uint8_t		mac[ETHERADDRL];
+	char		*cp;
+	int		c;
+	int		i;
+	int		j;
+	uint8_t		v;
+	uint8_t		d;
+	uint8_t		ored;
+
+	DPRINTF(3, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+	/*
+	 * Get ethernet address from .conf file
+	 */
+	(void) sprintf(propname, "mac-addr");
+	if ((ddi_prop_lookup_string(DDI_DEV_T_ANY, dp->dip,
+	    DDI_PROP_DONTPASS, propname, &valstr)) != DDI_PROP_SUCCESS) {
+		return (B_FALSE);
+	}
+
+	if (strlen(valstr) != ETHERADDRL*3-1) {
+		goto syntax_err;
+	}
+
+	cp = valstr;
+	j = 0;
+	ored = 0;
+	for (;;) {
+		v = 0;
+		for (i = 0; i < 2; i++) {
+			c = *cp++;
+
+			if (c >= 'a' && c <= 'f') {
+				d = c - 'a' + 10;
+			} else if (c >= 'A' && c <= 'F') {
+				d = c - 'A' + 10;
+			} else if (c >= '0' && c <= '9') {
+				d = c - '0';
+			} else {
+				goto syntax_err;
+			}
+			v = (v << 4) | d;
+		}
+
+		mac[j++] = v;
+		ored |= v;
+		if (j == ETHERADDRL) {
+			/* done */
+			break;
+		}
+
+		c = *cp++;
+		if (c != ':') {
+			goto syntax_err;
+		}
+	}
+
+	if (ored == 0) {
+		usbgem_generate_macaddr(dp, mac);
+	}
+	for (i = 0; i < ETHERADDRL; i++) {
+		dp->dev_addr.ether_addr_octet[i] = mac[i];
+	}
+	ddi_prop_free(valstr);
+	return (B_TRUE);
+
+syntax_err:
+	cmn_err(CE_CONT,
+	    "!%s: read mac addr: trying .conf: syntax err %s",
+	    dp->name, valstr);
+	ddi_prop_free(valstr);
+
+	return (B_FALSE);
+}
+
+static void
+usbgem_read_conf(struct usbgem_dev *dp)
+{
+	int	val;
+
+	DPRINTF(1, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	/*
+	 * Get media mode infomation from .conf file
+	 */
+	dp->anadv_autoneg = usbgem_prop_get_int(dp, "adv_autoneg_cap", 1) != 0;
+	dp->anadv_1000fdx = usbgem_prop_get_int(dp, "adv_1000fdx_cap", 1) != 0;
+	dp->anadv_1000hdx = usbgem_prop_get_int(dp, "adv_1000hdx_cap", 1) != 0;
+	dp->anadv_100t4 = usbgem_prop_get_int(dp, "adv_100T4_cap", 1) != 0;
+	dp->anadv_100fdx = usbgem_prop_get_int(dp, "adv_100fdx_cap", 1) != 0;
+	dp->anadv_100hdx = usbgem_prop_get_int(dp, "adv_100hdx_cap", 1) != 0;
+	dp->anadv_10fdx = usbgem_prop_get_int(dp, "adv_10fdx_cap", 1) != 0;
+	dp->anadv_10hdx = usbgem_prop_get_int(dp, "adv_10hdx_cap", 1) != 0;
+	dp->anadv_1000t_ms = usbgem_prop_get_int(dp, "adv_1000t_ms", 0);
+
+	if ((ddi_prop_exists(DDI_DEV_T_ANY, dp->dip,
+	    DDI_PROP_DONTPASS, "full-duplex"))) {
+		dp->full_duplex =
+		    usbgem_prop_get_int(dp, "full-duplex", 1) != 0;
+		dp->anadv_autoneg = B_FALSE;
+		if (dp->full_duplex) {
+			dp->anadv_1000hdx = B_FALSE;
+			dp->anadv_100hdx = B_FALSE;
+			dp->anadv_10hdx = B_FALSE;
+		} else {
+			dp->anadv_1000fdx = B_FALSE;
+			dp->anadv_100fdx = B_FALSE;
+			dp->anadv_10fdx = B_FALSE;
+		}
+	}
+
+	if ((val = usbgem_prop_get_int(dp, "speed", 0)) > 0) {
+		dp->anadv_autoneg = B_FALSE;
+		switch (val) {
+		case 1000:
+			dp->speed = USBGEM_SPD_1000;
+			dp->anadv_100t4 = B_FALSE;
+			dp->anadv_100fdx = B_FALSE;
+			dp->anadv_100hdx = B_FALSE;
+			dp->anadv_10fdx = B_FALSE;
+			dp->anadv_10hdx = B_FALSE;
+			break;
+		case 100:
+			dp->speed = USBGEM_SPD_100;
+			dp->anadv_1000fdx = B_FALSE;
+			dp->anadv_1000hdx = B_FALSE;
+			dp->anadv_10fdx = B_FALSE;
+			dp->anadv_10hdx = B_FALSE;
+			break;
+		case 10:
+			dp->speed = USBGEM_SPD_10;
+			dp->anadv_1000fdx = B_FALSE;
+			dp->anadv_1000hdx = B_FALSE;
+			dp->anadv_100t4 = B_FALSE;
+			dp->anadv_100fdx = B_FALSE;
+			dp->anadv_100hdx = B_FALSE;
+			break;
+		default:
+			cmn_err(CE_WARN,
+			    "!%s: property %s: illegal value:%d",
+			    dp->name, "speed", val);
+			dp->anadv_autoneg = B_TRUE;
+			break;
+		}
+	}
+	val = usbgem_prop_get_int(dp,
+	    "adv_pause", dp->ugc.usbgc_flow_control & 1);
+	val |= usbgem_prop_get_int(dp,
+	    "adv_asmpause", BOOLEAN(dp->ugc.usbgc_flow_control & 2)) << 1;
+	if (val > FLOW_CONTROL_RX_PAUSE || val < FLOW_CONTROL_NONE) {
+		cmn_err(CE_WARN,
+		    "!%s: property %s: illegal value:%d",
+		    dp->name, "flow-control", val);
+	} else {
+		val = min(val, dp->ugc.usbgc_flow_control);
+	}
+	dp->anadv_pause = BOOLEAN(val & 1);
+	dp->anadv_asmpause = BOOLEAN(val & 2);
+
+	dp->mtu = usbgem_prop_get_int(dp, "mtu", dp->mtu);
+	dp->txthr = usbgem_prop_get_int(dp, "txthr", dp->txthr);
+	dp->rxthr = usbgem_prop_get_int(dp, "rxthr", dp->rxthr);
+	dp->txmaxdma = usbgem_prop_get_int(dp, "txmaxdma", dp->txmaxdma);
+	dp->rxmaxdma = usbgem_prop_get_int(dp, "rxmaxdma", dp->rxmaxdma);
+#ifdef GEM_CONFIG_POLLING
+	dp->poll_pkt_delay =
+	    usbgem_prop_get_int(dp, "pkt_delay", dp->poll_pkt_delay);
+
+	dp->max_poll_interval[GEM_SPD_10] =
+	    usbgem_prop_get_int(dp, "max_poll_interval_10",
+	    dp->max_poll_interval[GEM_SPD_10]);
+	dp->max_poll_interval[GEM_SPD_100] =
+	    usbgem_prop_get_int(dp, "max_poll_interval_100",
+	    dp->max_poll_interval[GEM_SPD_100]);
+	dp->max_poll_interval[GEM_SPD_1000] =
+	    usbgem_prop_get_int(dp, "max_poll_interval_1000",
+	    dp->max_poll_interval[GEM_SPD_1000]);
+
+	dp->min_poll_interval[GEM_SPD_10] =
+	    usbgem_prop_get_int(dp, "min_poll_interval_10",
+	    dp->min_poll_interval[GEM_SPD_10]);
+	dp->min_poll_interval[GEM_SPD_100] =
+	    usbgem_prop_get_int(dp, "min_poll_interval_100",
+	    dp->min_poll_interval[GEM_SPD_100]);
+	dp->min_poll_interval[GEM_SPD_1000] =
+	    usbgem_prop_get_int(dp, "min_poll_interval_1000",
+	    dp->min_poll_interval[GEM_SPD_1000]);
+#endif
+}
+
+/*
+ * usbem kstat support
+ */
+#ifndef GEM_CONFIG_GLDv3
+/* kstat items based from dmfe driver */
+
+struct usbgem_kstat_named {
+	struct kstat_named	ks_xcvr_addr;
+	struct kstat_named	ks_xcvr_id;
+	struct kstat_named	ks_xcvr_inuse;
+	struct kstat_named	ks_link_up;
+	struct kstat_named	ks_link_duplex;	/* 0:unknwon, 1:half, 2:full */
+	struct kstat_named	ks_cap_1000fdx;
+	struct kstat_named	ks_cap_1000hdx;
+	struct kstat_named	ks_cap_100fdx;
+	struct kstat_named	ks_cap_100hdx;
+	struct kstat_named	ks_cap_10fdx;
+	struct kstat_named	ks_cap_10hdx;
+#ifdef NEVER
+	struct kstat_named	ks_cap_remfault;
+#endif
+	struct kstat_named	ks_cap_autoneg;
+
+	struct kstat_named	ks_adv_cap_1000fdx;
+	struct kstat_named	ks_adv_cap_1000hdx;
+	struct kstat_named	ks_adv_cap_100fdx;
+	struct kstat_named	ks_adv_cap_100hdx;
+	struct kstat_named	ks_adv_cap_10fdx;
+	struct kstat_named	ks_adv_cap_10hdx;
+#ifdef NEVER
+	struct kstat_named	ks_adv_cap_remfault;
+#endif
+	struct kstat_named	ks_adv_cap_autoneg;
+	struct kstat_named	ks_lp_cap_1000fdx;
+	struct kstat_named	ks_lp_cap_1000hdx;
+	struct kstat_named	ks_lp_cap_100fdx;
+	struct kstat_named	ks_lp_cap_100hdx;
+	struct kstat_named	ks_lp_cap_10fdx;
+	struct kstat_named	ks_lp_cap_10hdx;
+	struct kstat_named	ks_lp_cap_remfault;
+	struct kstat_named	ks_lp_cap_autoneg;
+};
+
+static int
+usbgem_kstat_update(kstat_t *ksp, int rw)
+{
+	struct usbgem_kstat_named *knp;
+	struct usbgem_dev *dp = (struct usbgem_dev *)ksp->ks_private;
+
+	if (rw != KSTAT_READ) {
+		return (0);
+	}
+
+	knp = (struct usbgem_kstat_named *)ksp->ks_data;
+
+	knp->ks_xcvr_addr.value.ul = dp->mii_phy_addr;
+	knp->ks_xcvr_id.value.ul = dp->mii_phy_id;
+	knp->ks_xcvr_inuse.value.ul = usbgem_mac_xcvr_inuse(dp);
+	knp->ks_link_up.value.ul = dp->mii_state == MII_STATE_LINKUP;
+	knp->ks_link_duplex.value.ul =
+	    (dp->mii_state == MII_STATE_LINKUP) ?
+	    (dp->full_duplex ? 2 : 1) : 0;
+
+	knp->ks_cap_1000fdx.value.ul =
+	    (dp->mii_xstatus & MII_XSTATUS_1000BASET_FD) ||
+	    (dp->mii_xstatus & MII_XSTATUS_1000BASEX_FD);
+	knp->ks_cap_1000hdx.value.ul =
+	    (dp->mii_xstatus & MII_XSTATUS_1000BASET) ||
+	    (dp->mii_xstatus & MII_XSTATUS_1000BASEX);
+	knp->ks_cap_100fdx.value.ul =
+	    BOOLEAN(dp->mii_status & MII_STATUS_100_BASEX_FD);
+	knp->ks_cap_100hdx.value.ul =
+	    BOOLEAN(dp->mii_status & MII_STATUS_100_BASEX);
+	knp->ks_cap_10fdx.value.ul =
+	    BOOLEAN(dp->mii_status & MII_STATUS_10_FD);
+	knp->ks_cap_10hdx.value.ul =
+	    BOOLEAN(dp->mii_status & MII_STATUS_10);
+#ifdef NEVER
+	knp->ks_cap_remfault.value.ul = B_TRUE;
+#endif
+	knp->ks_cap_autoneg.value.ul =
+	    BOOLEAN(dp->mii_status & MII_STATUS_CANAUTONEG);
+
+	knp->ks_adv_cap_1000fdx.value.ul = dp->anadv_1000fdx;
+	knp->ks_adv_cap_1000hdx.value.ul = dp->anadv_1000hdx;
+	knp->ks_adv_cap_100fdx.value.ul	= dp->anadv_100fdx;
+	knp->ks_adv_cap_100hdx.value.ul	= dp->anadv_100hdx;
+	knp->ks_adv_cap_10fdx.value.ul	= dp->anadv_10fdx;
+	knp->ks_adv_cap_10hdx.value.ul	= dp->anadv_10hdx;
+#ifdef NEVER
+	knp->ks_adv_cap_remfault.value.ul = 0;
+#endif
+	knp->ks_adv_cap_autoneg.value.ul = dp->anadv_autoneg;
+
+	knp->ks_lp_cap_1000fdx.value.ul =
+	    BOOLEAN(dp->mii_stat1000 & MII_1000TS_LP_FULL);
+	knp->ks_lp_cap_1000hdx.value.ul =
+	    BOOLEAN(dp->mii_stat1000 & MII_1000TS_LP_HALF);
+	knp->ks_lp_cap_100fdx.value.ul =
+	    BOOLEAN(dp->mii_lpable & MII_ABILITY_100BASE_TX_FD);
+	knp->ks_lp_cap_100hdx.value.ul =
+	    BOOLEAN(dp->mii_lpable & MII_ABILITY_100BASE_TX);
+	knp->ks_lp_cap_10fdx.value.ul =
+	    BOOLEAN(dp->mii_lpable & MII_ABILITY_10BASE_T_FD);
+	knp->ks_lp_cap_10hdx.value.ul =
+	    BOOLEAN(dp->mii_lpable & MII_ABILITY_10BASE_T);
+	knp->ks_lp_cap_remfault.value.ul =
+	    BOOLEAN(dp->mii_exp & MII_AN_EXP_PARFAULT);
+	knp->ks_lp_cap_autoneg.value.ul =
+	    BOOLEAN(dp->mii_exp & MII_AN_EXP_LPCANAN);
+
+	return (0);
+}
+
+
+static int
+usbgem_kstat_init(struct usbgem_dev *dp)
+{
+	int			i;
+	kstat_t			*ksp;
+	struct usbgem_kstat_named	*knp;
+
+	ksp = kstat_create(
+	    (char *)ddi_driver_name(dp->dip), ddi_get_instance(dp->dip),
+	    "mii", "net", KSTAT_TYPE_NAMED,
+	    sizeof (*knp) / sizeof (knp->ks_xcvr_addr), 0);
+
+	if (ksp == NULL) {
+		cmn_err(CE_WARN, "%s: %s() for mii failed",
+		    dp->name, __func__);
+		return (USB_FAILURE);
+	}
+
+	knp = (struct usbgem_kstat_named *)ksp->ks_data;
+
+	kstat_named_init(&knp->ks_xcvr_addr, "xcvr_addr",
+	    KSTAT_DATA_INT32);
+	kstat_named_init(&knp->ks_xcvr_id, "xcvr_id",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_xcvr_inuse, "xcvr_inuse",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_link_up, "link_up",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_link_duplex, "link_duplex",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_cap_1000fdx, "cap_1000fdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_cap_1000hdx, "cap_1000hdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_cap_100fdx, "cap_100fdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_cap_100hdx, "cap_100hdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_cap_10fdx, "cap_10fdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_cap_10hdx, "cap_10hdx",
+	    KSTAT_DATA_UINT32);
+#ifdef NEVER
+	kstat_named_init(&knp->ks_cap_remfault, "cap_rem_fault",
+	    KSTAT_DATA_UINT32);
+#endif
+	kstat_named_init(&knp->ks_cap_autoneg, "cap_autoneg",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_adv_cap_1000fdx, "adv_cap_1000fdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_adv_cap_1000hdx, "adv_cap_1000hdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_adv_cap_100fdx, "adv_cap_100fdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_adv_cap_100hdx, "adv_cap_100hdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_adv_cap_10fdx, "adv_cap_10fdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_adv_cap_10hdx, "adv_cap_10hdx",
+	    KSTAT_DATA_UINT32);
+#ifdef NEVER
+	kstat_named_init(&knp->ks_adv_cap_remfault, "adv_rem_fault",
+	    KSTAT_DATA_UINT32);
+#endif
+	kstat_named_init(&knp->ks_adv_cap_autoneg, "adv_cap_autoneg",
+	    KSTAT_DATA_UINT32);
+
+	kstat_named_init(&knp->ks_lp_cap_1000fdx, "lp_cap_1000fdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_lp_cap_1000hdx, "lp_cap_1000hdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_lp_cap_100fdx, "lp_cap_100fdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_lp_cap_100hdx, "lp_cap_100hdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_lp_cap_10fdx, "lp_cap_10fdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_lp_cap_10hdx, "lp_cap_10hdx",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_lp_cap_remfault, "lp_cap_rem_fault",
+	    KSTAT_DATA_UINT32);
+	kstat_named_init(&knp->ks_lp_cap_autoneg, "lp_cap_autoneg",
+	    KSTAT_DATA_UINT32);
+
+	ksp->ks_private = (void *) dp;
+	ksp->ks_update = usbgem_kstat_update;
+	dp->ksp = ksp;
+
+	kstat_install(ksp);
+
+	return (USB_SUCCESS);
+}
+#endif /* GEM_CONFIG_GLDv3 */
+/* ======================================================================== */
+/*
+ * attach/detatch/usb support
+ */
+/* ======================================================================== */
+int
+usbgem_ctrl_out(struct usbgem_dev *dp,
+	uint8_t reqt, uint8_t req, uint16_t val, uint16_t ix, uint16_t len,
+	void *bp, int size)
+{
+	mblk_t			*data;
+	usb_ctrl_setup_t	setup;
+	usb_cr_t		completion_reason;
+	usb_cb_flags_t		cb_flags;
+	usb_flags_t		flags;
+	int			i;
+	int			ret;
+
+	DPRINTF(4, (CE_CONT, "!%s: %s "
+	    "reqt:0x%02x req:0x%02x val:0x%04x ix:0x%04x len:0x%02x "
+	    "bp:0x%p nic_state:%d",
+	    dp->name, __func__, reqt, req, val, ix, len, bp, dp->nic_state));
+
+	if (dp->mac_state == MAC_STATE_DISCONNECTED) {
+		return (USB_PIPE_ERROR);
+	}
+
+	data = NULL;
+	if (size > 0) {
+		if ((data = allocb(size, 0)) == NULL) {
+			return (USB_FAILURE);
+		}
+
+		bcopy(bp, data->b_rptr, size);
+		data->b_wptr = data->b_rptr + size;
+	}
+
+	setup.bmRequestType = reqt;
+	setup.bRequest = req;
+	setup.wValue = val;
+	setup.wIndex = ix;
+	setup.wLength = len;
+	setup.attrs = 0;	/* attributes */
+
+	for (i = usbgem_ctrl_retry; i > 0; i--) {
+		completion_reason = 0;
+		cb_flags = 0;
+
+		ret = usb_pipe_ctrl_xfer_wait(DEFAULT_PIPE(dp),
+		    &setup, &data, &completion_reason, &cb_flags, 0);
+
+		if (ret == USB_SUCCESS) {
+			break;
+		}
+		if (i == 1) {
+			cmn_err(CE_WARN,
+			    "!%s: %s failed: "
+			    "reqt:0x%x req:0x%x val:0x%x ix:0x%x len:0x%x "
+			    "ret:%d cr:%s(%d), cb_flags:0x%x %s",
+			    dp->name, __func__, reqt, req, val, ix, len,
+			    ret, usb_str_cr(completion_reason),
+			    completion_reason,
+			    cb_flags,
+			    (i > 1) ? "retrying..." : "fatal");
+		}
+	}
+
+	if (data != NULL) {
+		freemsg(data);
+	}
+
+	return (ret);
+}
+
+int
+usbgem_ctrl_in(struct usbgem_dev *dp,
+	uint8_t reqt, uint8_t req, uint16_t val, uint16_t ix, uint16_t len,
+	void *bp, int size)
+{
+	mblk_t			*data;
+	usb_ctrl_setup_t	setup;
+	usb_cr_t		completion_reason;
+	usb_cb_flags_t		cb_flags;
+	int			i;
+	int			ret;
+	int			reclen;
+
+	DPRINTF(4, (CE_CONT,
+	    "!%s: %s:"
+	    " reqt:0x%02x req:0x%02x val:0x%04x ix:0x%04x len:0x%02x"
+	    " bp:x%p mac_state:%d",
+	    dp->name, __func__, reqt, req, val, ix, len, bp, dp->mac_state));
+
+	if (dp->mac_state == MAC_STATE_DISCONNECTED) {
+		return (USB_PIPE_ERROR);
+	}
+
+	data = NULL;
+
+	setup.bmRequestType = reqt;
+	setup.bRequest = req;
+	setup.wValue = val;
+	setup.wIndex = ix;
+	setup.wLength = len;
+	setup.attrs = USB_ATTRS_AUTOCLEARING;	/* XXX */
+
+	for (i = usbgem_ctrl_retry; i > 0; i--) {
+		completion_reason = 0;
+		cb_flags = 0;
+		ret = usb_pipe_ctrl_xfer_wait(DEFAULT_PIPE(dp), &setup, &data,
+		    &completion_reason, &cb_flags, 0);
+
+		if (ret == USB_SUCCESS) {
+			reclen = msgdsize(data);
+			bcopy(data->b_rptr, bp, min(reclen, size));
+			break;
+		}
+		if (i == 1) {
+			cmn_err(CE_WARN,
+			    "!%s: %s failed: "
+			    "reqt:0x%x req:0x%x val:0x%x ix:0x%x len:0x%x "
+			    "ret:%d cr:%s(%d) cb_flags:0x%x %s",
+			    dp->name, __func__,
+			    reqt, req, val, ix, len,
+			    ret, usb_str_cr(completion_reason),
+			    completion_reason,
+			    cb_flags,
+			    (i > 1) ? "retrying..." : "fatal");
+		}
+	}
+
+	if (data) {
+		freemsg(data);
+	}
+
+	return (ret);
+}
+
+int
+usbgem_ctrl_out_val(struct usbgem_dev *dp,
+    uint8_t reqt, uint8_t req, uint16_t val, uint16_t ix, uint16_t len,
+    uint32_t v)
+{
+	uint8_t	buf[4];
+
+	/* convert to little endian from native byte order */
+	switch (len) {
+	case 4:
+		buf[3] = v >> 24;
+		buf[2] = v >> 16;
+		/* fall thru */
+	case 2:
+		buf[1] = v >> 8;
+		/* fall thru */
+	case 1:
+		buf[0] = v;
+	}
+
+	return (usbgem_ctrl_out(dp, reqt, req, val, ix, len, buf, len));
+}
+
+int
+usbgem_ctrl_in_val(struct usbgem_dev *dp,
+    uint8_t reqt, uint8_t req, uint16_t val, uint16_t ix, uint16_t len,
+    void *valp)
+{
+	uint8_t		buf[4];
+	uint_t		v;
+	int		err;
+
+#ifdef SANITY
+	bzero(buf, sizeof (buf));
+#endif
+	err = usbgem_ctrl_in(dp, reqt, req, val, ix, len, buf, len);
+	if (err == USB_SUCCESS) {
+		v = 0;
+		switch (len) {
+		case 4:
+			v |= buf[3] << 24;
+			v |= buf[2] << 16;
+			/* FALLTHROUGH */
+		case 2:
+			v |= buf[1] << 8;
+			/* FALLTHROUGH */
+		case 1:
+			v |= buf[0];
+		}
+
+		switch (len) {
+		case 4:
+			*(uint32_t *)valp = v;
+			break;
+		case 2:
+			*(uint16_t *)valp = v;
+			break;
+		case 1:
+			*(uint8_t *)valp = v;
+			break;
+		}
+	}
+	return (err);
+}
+
+/*
+ * Attach / detach / disconnect / reconnect management
+ */
+static int
+usbgem_open_pipes(struct usbgem_dev *dp)
+{
+	int			i;
+	int			ret;
+	int			ifnum;
+	int			alt;
+	usb_client_dev_data_t	*reg_data;
+	usb_ep_data_t		*ep_tree_node;
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	ifnum = dp->ugc.usbgc_ifnum;
+	alt = dp->ugc.usbgc_alt;
+
+	ep_tree_node = usb_lookup_ep_data(dp->dip, dp->reg_data, ifnum, alt,
+	    0, USB_EP_ATTR_BULK, USB_EP_DIR_IN);
+	if (ep_tree_node == NULL) {
+		cmn_err(CE_WARN, "!%s: %s: ep_bulkin is NULL",
+		    dp->name, __func__);
+		goto err;
+	}
+	dp->ep_bulkin = &ep_tree_node->ep_descr;
+
+	ep_tree_node = usb_lookup_ep_data(dp->dip, dp->reg_data, ifnum, alt,
+	    0, USB_EP_ATTR_BULK, USB_EP_DIR_OUT);
+	if (ep_tree_node == NULL) {
+		cmn_err(CE_WARN, "!%s: %s: ep_bulkout is NULL",
+		    dp->name, __func__);
+		goto err;
+	}
+	dp->ep_bulkout = &ep_tree_node->ep_descr;
+
+	ep_tree_node = usb_lookup_ep_data(dp->dip, dp->reg_data, ifnum, alt,
+	    0, USB_EP_ATTR_INTR, USB_EP_DIR_IN);
+	if (ep_tree_node) {
+		dp->ep_intr = &ep_tree_node->ep_descr;
+	} else {
+		/* don't care */
+		DPRINTF(1, (CE_CONT, "!%s: %s: ep_intr is NULL",
+		    dp->name, __func__));
+		dp->ep_intr = NULL;
+	}
+
+	/* XXX -- no need to open default pipe */
+
+	/* open bulk out pipe */
+	bzero(&dp->policy_bulkout, sizeof (usb_pipe_policy_t));
+	dp->policy_bulkout.pp_max_async_reqs = 1;
+
+	if ((ret = usb_pipe_open(dp->dip,
+	    dp->ep_bulkout, &dp->policy_bulkout, USB_FLAGS_SLEEP,
+	    &dp->bulkout_pipe)) != USB_SUCCESS) {
+		cmn_err(CE_WARN,
+		    "!%s: %s: err:%x: failed to open bulk-out pipe",
+		    dp->name, __func__, ret);
+		dp->bulkout_pipe = NULL;
+		goto err;
+	}
+	DPRINTF(1, (CE_CONT, "!%s: %s: bulkout_pipe opened successfully",
+	    dp->name, __func__));
+
+	/* open bulk in pipe */
+	bzero(&dp->policy_bulkin, sizeof (usb_pipe_policy_t));
+	dp->policy_bulkin.pp_max_async_reqs = 1;
+	if ((ret = usb_pipe_open(dp->dip,
+	    dp->ep_bulkin, &dp->policy_bulkin, USB_FLAGS_SLEEP,
+	    &dp->bulkin_pipe)) != USB_SUCCESS) {
+		cmn_err(CE_WARN,
+		    "!%s: %s: ret:%x failed to open bulk-in pipe",
+		    dp->name, __func__, ret);
+		dp->bulkin_pipe = NULL;
+		goto err;
+	}
+	DPRINTF(1, (CE_CONT, "!%s: %s: bulkin_pipe opened successfully",
+	    dp->name, __func__));
+
+	if (dp->ep_intr) {
+		/* open interrupt pipe */
+		bzero(&dp->policy_interrupt, sizeof (usb_pipe_policy_t));
+		dp->policy_interrupt.pp_max_async_reqs = 1;
+		if ((ret = usb_pipe_open(dp->dip, dp->ep_intr,
+		    &dp->policy_interrupt, USB_FLAGS_SLEEP,
+		    &dp->intr_pipe)) != USB_SUCCESS) {
+			cmn_err(CE_WARN,
+			    "!%s: %s: ret:%x failed to open interrupt pipe",
+			    dp->name, __func__, ret);
+			dp->intr_pipe = NULL;
+			goto err;
+		}
+	}
+	DPRINTF(1, (CE_CONT, "!%s: %s: intr_pipe opened successfully",
+	    dp->name, __func__));
+
+	return (USB_SUCCESS);
+
+err:
+	if (dp->bulkin_pipe) {
+		usb_pipe_close(dp->dip,
+		    dp->bulkin_pipe, USB_FLAGS_SLEEP, NULL, 0);
+		dp->bulkin_pipe = NULL;
+	}
+	if (dp->bulkout_pipe) {
+		usb_pipe_close(dp->dip,
+		    dp->bulkout_pipe, USB_FLAGS_SLEEP, NULL, 0);
+		dp->bulkout_pipe = NULL;
+	}
+	if (dp->intr_pipe) {
+		usb_pipe_close(dp->dip,
+		    dp->intr_pipe, USB_FLAGS_SLEEP, NULL, 0);
+		dp->intr_pipe = NULL;
+	}
+
+	return (USB_FAILURE);
+}
+
+static int
+usbgem_close_pipes(struct usbgem_dev *dp)
+{
+	DPRINTF(0, (CE_CONT, "!%s: %s: called", dp->name, __func__));
+
+	if (dp->intr_pipe) {
+		usb_pipe_close(dp->dip,
+		    dp->intr_pipe, USB_FLAGS_SLEEP, NULL, 0);
+		dp->intr_pipe = NULL;
+	}
+	DPRINTF(1, (CE_CONT, "!%s: %s: 1", dp->name, __func__));
+
+	ASSERT(dp->bulkin_pipe);
+	usb_pipe_close(dp->dip, dp->bulkin_pipe, USB_FLAGS_SLEEP, NULL, 0);
+	dp->bulkin_pipe = NULL;
+	DPRINTF(1, (CE_CONT, "!%s: %s: 2", dp->name, __func__));
+
+	ASSERT(dp->bulkout_pipe);
+	usb_pipe_close(dp->dip, dp->bulkout_pipe, USB_FLAGS_SLEEP, NULL, 0);
+	dp->bulkout_pipe = NULL;
+	DPRINTF(1, (CE_CONT, "!%s: %s: 3", dp->name, __func__));
+
+	return (USB_SUCCESS);
+}
+
+#define FREEZE_GRACEFUL		(B_TRUE)
+#define FREEZE_NO_GRACEFUL	(B_FALSE)
+static int
+usbgem_freeze_device(struct usbgem_dev *dp, boolean_t graceful)
+{
+	DPRINTF(0, (CE_NOTE, "!%s: %s: called", dp->name, __func__));
+
+	/* stop nic activity */
+	(void) usbgem_mac_stop(dp, MAC_STATE_DISCONNECTED, graceful);
+
+	/*
+	 * Here we free all memory resource allocated, because it will
+	 * cause to panic the system that we free usb_bulk_req objects
+	 * during the usb device is disconnected.
+	 */
+	(void) usbgem_free_memory(dp);
+
+	return (USB_SUCCESS);
+}
+
+static int
+usbgem_disconnect_cb(dev_info_t *dip)
+{
+	int	ret;
+	struct usbgem_dev	*dp;
+
+	dp = USBGEM_GET_DEV(dip);
+
+	cmn_err(CE_NOTE, "!%s: the usb device was disconnected (dp=%p)",
+	    dp->name, dp);
+
+	/* start serialize */
+	rw_enter(&dp->dev_state_lock, RW_WRITER);
+
+	ret = usbgem_freeze_device(dp, 0);
+
+	/* end of serialize */
+	rw_exit(&dp->dev_state_lock);
+
+	return (ret);
+}
+
+static int
+usbgem_recover_device(struct usbgem_dev	*dp)
+{
+	int	err;
+
+	DPRINTF(0, (CE_NOTE, "!%s: %s: called", dp->name, __func__));
+
+	err = USB_SUCCESS;
+
+	/* reinitialize the usb connection */
+	usbgem_close_pipes(dp);
+	if ((err = usbgem_open_pipes(dp)) != USB_SUCCESS) {
+		goto x;
+	}
+
+	/* initialize nic state */
+	dp->mac_state = MAC_STATE_STOPPED;
+	dp->mii_state = MII_STATE_UNKNOWN;
+
+	/* allocate memory resources again */
+	if ((err = usbgem_alloc_memory(dp)) != USB_SUCCESS) {
+		goto x;
+	}
+
+	/* restart nic and recover state */
+	(void) usbgem_restart_nic(dp);
+
+	usbgem_mii_init(dp);
+
+	/* kick potentially stopped house keeping thread */
+	cv_signal(&dp->link_watcher_wait_cv);
+x:
+	return (err);
+}
+
+static int
+usbgem_reconnect_cb(dev_info_t *dip)
+{
+	int	err = USB_SUCCESS;
+	struct usbgem_dev	*dp;
+
+	dp = USBGEM_GET_DEV(dip);
+	DPRINTF(0, (CE_CONT, "!%s: dp=%p", ddi_get_name(dip), dp));
+#ifdef notdef
+	/* check device changes after disconnect */
+	if (usb_check_same_device(dp->dip, NULL, USB_LOG_L2, -1,
+	    USB_CHK_BASIC | USB_CHK_CFG, NULL) != USB_SUCCESS) {
+		cmn_err(CE_CONT,
+		     "!%s: no or different device installed", dp->name);
+		return (DDI_SUCCESS);
+	}
+#endif
+	cmn_err(CE_NOTE, "%s: the usb device was reconnected", dp->name);
+
+	/* start serialize */
+	rw_enter(&dp->dev_state_lock, RW_WRITER);
+
+	if (dp->mac_state == MAC_STATE_DISCONNECTED) {
+		err = usbgem_recover_device(dp);
+	}
+
+	/* end of serialize */
+	rw_exit(&dp->dev_state_lock);
+
+	return (err == USB_SUCCESS ? DDI_SUCCESS : DDI_FAILURE);
+}
+
+int
+usbgem_suspend(dev_info_t *dip)
+{
+	int	err = USB_SUCCESS;
+	struct usbgem_dev	*dp;
+
+	dp = USBGEM_GET_DEV(dip);
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: callded", dp->name, __func__));
+
+	/* start serialize */
+	rw_enter(&dp->dev_state_lock, RW_WRITER);
+
+	if (dp->mac_state == MAC_STATE_DISCONNECTED) {
+		err = usbgem_freeze_device(dp, STOP_GRACEFUL);
+	}
+
+	/* end of serialize */
+	rw_exit(&dp->dev_state_lock);
+
+	return (err == USB_SUCCESS ? DDI_SUCCESS : DDI_FAILURE);
+}
+
+int
+usbgem_resume(dev_info_t *dip)
+{
+	int	err = USB_SUCCESS;
+	struct usbgem_dev	*dp;
+
+	dp = USBGEM_GET_DEV(dip);
+
+	DPRINTF(0, (CE_CONT, "!%s: %s: callded", dp->name, __func__));
+#ifdef notdef
+	/* check device changes after disconnect */
+	if (usb_check_same_device(dp->dip, NULL, USB_LOG_L2, -1,
+	    USB_CHK_BASIC | USB_CHK_CFG, NULL) != USB_SUCCESS) {
+		cmn_err(CE_CONT,
+		     "!%s: no or different device installed", dp->name);
+		return (DDI_SUCCESS);
+	}
+#endif
+	/* start serialize */
+	rw_enter(&dp->dev_state_lock, RW_WRITER);
+
+	if (dp->mac_state == MAC_STATE_DISCONNECTED) {
+		err = usbgem_recover_device(dp);
+	}
+
+	/* end of serialize */
+	rw_exit(&dp->dev_state_lock);
+
+	return (err == USB_SUCCESS ? DDI_SUCCESS : DDI_FAILURE);
+}
+
+#define	USBGEM_LOCAL_DATA_SIZE(gc)	\
+	(sizeof (struct usbgem_dev) + USBGEM_MCALLOC)
+
+struct usbgem_dev *
+usbgem_do_attach(dev_info_t *dip,
+	struct usbgem_conf *gc, void *lp, int lmsize)
+{
+	struct usbgem_dev	*dp;
+	int			i;
+#ifdef USBGEM_CONFIG_GLDv3
+	mac_register_t		*macp = NULL;
+#else
+	gld_mac_info_t		*macinfo;
+	void			*tmp;
+#endif
+	int			ret;
+	int			unit;
+	int			err;
+
+	unit = ddi_get_instance(dip);
+
+	DPRINTF(2, (CE_CONT, "!usbgem%d: %s: called", unit, __func__));
+
+	/*
+	 * Allocate soft data structure
+	 */
+	dp = kmem_zalloc(USBGEM_LOCAL_DATA_SIZE(gc), KM_SLEEP);
+	if (dp == NULL) {
+#ifndef USBGEM_CONFIG_GLDv3
+		gld_mac_free(macinfo);
+#endif
+		return (NULL);
+	}
+#ifdef USBGEM_CONFIG_GLDv3
+	if ((macp = mac_alloc(MAC_VERSION)) == NULL) {
+		cmn_err(CE_WARN, "!gem%d: %s: mac_alloc failed",
+		    unit, __func__);
+		return (NULL);
+	}
+#else
+	macinfo = gld_mac_alloc(dip);
+	dp->macinfo = macinfo;
+#endif
+
+	/* link to private area */
+	dp->private = lp;
+	dp->priv_size = lmsize;
+	dp->mc_list = (struct mcast_addr *)&dp[1];
+
+	dp->dip = dip;
+	bcopy(gc->usbgc_name, dp->name, USBGEM_NAME_LEN);
+
+	/*
+	 * register with usb service
+	 */
+	if (usb_client_attach(dip, USBDRV_VERSION, 0) != USB_SUCCESS) {
+		cmn_err(CE_WARN,
+		    "%s: %s: usb_client_attach failed",
+		    dp->name, __func__);
+		goto err_free_private;
+	}
+
+	if (usb_get_dev_data(dip, &dp->reg_data,
+	    USB_PARSE_LVL_ALL, 0) != USB_SUCCESS) {
+		dp->reg_data = NULL;
+		goto err_unregister_client;
+	}
+#ifdef USBGEM_DEBUG_LEVEL
+	usb_print_descr_tree(dp->dip, dp->reg_data);
+#endif
+
+	if (usbgem_open_pipes(dp) != USB_SUCCESS) {
+		/* failed to open pipes */
+		cmn_err(CE_WARN, "!%s: %s: failed to open pipes",
+		    dp->name, __func__);
+		goto err_unregister_client;
+	}
+
+	/*
+	 * Initialize mutexs and condition variables
+	 */
+	mutex_init(&dp->rxlock, NULL, MUTEX_DRIVER, NULL);
+	mutex_init(&dp->txlock, NULL, MUTEX_DRIVER, NULL);
+	cv_init(&dp->rx_drain_cv, NULL, CV_DRIVER, NULL);
+	cv_init(&dp->tx_drain_cv, NULL, CV_DRIVER, NULL);
+	rw_init(&dp->dev_state_lock, NULL, RW_DRIVER, NULL);
+	mutex_init(&dp->link_watcher_lock, NULL, MUTEX_DRIVER, NULL);
+	cv_init(&dp->link_watcher_wait_cv, NULL, CV_DRIVER, NULL);
+	sema_init(&dp->hal_op_lock, 1, NULL, SEMA_DRIVER, NULL);
+	sema_init(&dp->rxfilter_lock, 1, NULL, SEMA_DRIVER, NULL);
+
+	/*
+	 * Initialize configuration
+	 */
+	dp->ugc = *gc;
+
+	dp->mtu = ETHERMTU;
+	dp->rxmode = 0;
+	dp->speed = USBGEM_SPD_10;	/* default is 10Mbps */
+	dp->full_duplex = B_FALSE;	/* default is half */
+	dp->flow_control = FLOW_CONTROL_NONE;
+
+	dp->nic_state = NIC_STATE_STOPPED;
+	dp->mac_state = MAC_STATE_STOPPED;
+	dp->mii_state = MII_STATE_UNKNOWN;
+
+	/* performance tuning parameters */
+	dp->txthr = ETHERMAX;		/* tx fifo threshoold */
+	dp->txmaxdma = 16*4;		/* tx max dma burst size */
+	dp->rxthr = 128;		/* rx fifo threshoold */
+	dp->rxmaxdma = 16*4;		/* rx max dma burst size */
+
+	/*
+	 * Get media mode infomation from .conf file
+	 */
+	usbgem_read_conf(dp);
+
+	/* rx_buf_len depend on MTU */
+	dp->rx_buf_len = MAXPKTBUF(dp) + dp->ugc.usbgc_rx_header_len;
+
+	/*
+	 * Reset the chip
+	 */
+	if (usbgem_hal_reset_chip(dp) != USB_SUCCESS) {
+		cmn_err(CE_WARN,
+		    "!%s: %s: failed to reset the usb device",
+		    dp->name, __func__);
+		goto err_destroy_locks;
+	}
+
+	/*
+	 * HW dependant paremeter initialization
+	 */
+	if (usbgem_hal_attach_chip(dp) != USB_SUCCESS) {
+		cmn_err(CE_WARN,
+		    "!%s: %s: failed to attach the usb device",
+		    dp->name, __func__);
+		goto err_destroy_locks;
+	}
+
+	/* allocate resources */
+	if (usbgem_alloc_memory(dp) != USB_SUCCESS) {
+		goto err_destroy_locks;
+	}
+
+	DPRINTF(0, (CE_CONT,
+	    "!%s: %02x:%02x:%02x:%02x:%02x:%02x",
+	    dp->name,
+	    dp->dev_addr.ether_addr_octet[0],
+	    dp->dev_addr.ether_addr_octet[1],
+	    dp->dev_addr.ether_addr_octet[2],
+	    dp->dev_addr.ether_addr_octet[3],
+	    dp->dev_addr.ether_addr_octet[4],
+	    dp->dev_addr.ether_addr_octet[5]));
+
+	/* copy mac address */
+	dp->cur_addr = dp->dev_addr;
+
+	/* pre-calculated tx timeout in second for performance */
+	dp->bulkout_timeout =
+	    dp->ugc.usbgc_tx_timeout / drv_usectohz(1000*1000);
+
+#ifdef USBGEM_CONFIG_GLDv3
+	usbgem_gld3_init(dp, macp);
+#else
+	usbgem_gld_init(dp, macinfo, ident);
+#endif
+
+	/* Probe MII phy (scan phy) */
+	dp->mii_lpable = 0;
+	dp->mii_advert = 0;
+	dp->mii_exp = 0;
+	dp->mii_ctl1000 = 0;
+	dp->mii_stat1000 = 0;
+
+	dp->mii_status_ro = 0;
+	dp->mii_xstatus_ro = 0;
+
+	if (usbgem_mii_probe(dp) != USB_SUCCESS) {
+		cmn_err(CE_WARN, "!%s: %s: mii_probe failed",
+		    dp->name, __func__);
+		goto err_free_memory;
+	}
+
+	/* mask unsupported abilities */
+	dp->anadv_autoneg &= BOOLEAN(dp->mii_status & MII_STATUS_CANAUTONEG);
+	dp->anadv_1000fdx &=
+	    BOOLEAN(dp->mii_xstatus &
+	    (MII_XSTATUS_1000BASEX_FD | MII_XSTATUS_1000BASET_FD));
+	dp->anadv_1000hdx &=
+	    BOOLEAN(dp->mii_xstatus &
+	    (MII_XSTATUS_1000BASEX | MII_XSTATUS_1000BASET));
+	dp->anadv_100t4 &= BOOLEAN(dp->mii_status & MII_STATUS_100_BASE_T4);
+	dp->anadv_100fdx &= BOOLEAN(dp->mii_status & MII_STATUS_100_BASEX_FD);
+	dp->anadv_100hdx &= BOOLEAN(dp->mii_status & MII_STATUS_100_BASEX);
+	dp->anadv_10fdx &= BOOLEAN(dp->mii_status & MII_STATUS_10_FD);
+	dp->anadv_10hdx &= BOOLEAN(dp->mii_status & MII_STATUS_10);
+
+	if (usbgem_mii_init(dp) != USB_SUCCESS) {
+		cmn_err(CE_WARN, "!%s: %s: mii_init failed",
+		    dp->name, __func__);
+		goto err_free_memory;
+	}
+
+	/*
+	 * initialize kstats including mii statistics
+	 */
+#ifdef USBGEM_CONFIG_GLDv3
+#ifdef USBGEM_CONFIG_ND
+	usbgem_nd_setup(dp);
+#endif
+#else
+	if (usbgem_kstat_init(dp) != USB_SUCCESS) {
+		goto err_free_memory;
+	}
+#endif
+
+	/*
+	 * Add interrupt to system.
+	 */
+#ifdef USBGEM_CONFIG_GLDv3
+	if (ret = mac_register(macp, &dp->mh)) {
+		cmn_err(CE_WARN, "!%s: mac_register failed, error:%d",
+		    dp->name, ret);
+		goto err_release_stats;
+	}
+	mac_free(macp);
+	macp = NULL;
+#else
+	/* gld_register will corrupts driver_private */
+	tmp = ddi_get_driver_private(dip);
+	if (gld_register(dip,
+	    (char *)ddi_driver_name(dip), macinfo) != DDI_SUCCESS) {
+		cmn_err(CE_WARN, "!%s: %s: gld_register failed",
+		    dp->name, __func__);
+		ddi_set_driver_private(dip, tmp);
+		goto err_release_stats;
+	}
+	/* restore driver private */
+	ddi_set_driver_private(dip, tmp);
+#endif /* USBGEM_CONFIG_GLDv3 */
+	if (usb_register_hotplug_cbs(dip,
+	    usbgem_suspend, usbgem_resume) != USB_SUCCESS) {
+		cmn_err(CE_WARN,
+		    "!%s: %s: failed to register hotplug cbs",
+		    dp->name, __func__);
+		goto err_unregister_gld;
+	}
+
+	/* reset mii and start mii link watcher */
+	if (usbgem_mii_start(dp) != USB_SUCCESS) {
+		goto err_unregister_hotplug;
+	}
+
+	/* start tx watchdow watcher */
+	if (usbgem_tx_watcher_start(dp)) {
+		goto err_usbgem_mii_stop;
+	}
+
+	ddi_set_driver_private(dip, (caddr_t)dp);
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: return: success", dp->name, __func__));
+
+	return (dp);
+
+err_usbgem_mii_stop:
+	usbgem_mii_stop(dp);
+
+err_unregister_hotplug:
+	usb_unregister_hotplug_cbs(dip);
+
+err_unregister_gld:
+#ifdef USBGEM_CONFIG_GLDv3
+	mac_unregister(dp->mh);
+#else
+	gld_unregister(macinfo);
+#endif
+
+err_release_stats:
+#ifdef USBGEM_CONFIG_GLDv3
+#ifdef USBGEM_CONFIG_ND
+	/* release NDD resources */
+	usbgem_nd_cleanup(dp);
+#endif
+#else
+	kstat_delete(dp->ksp);
+#endif
+
+err_free_memory:
+	usbgem_free_memory(dp);
+
+err_destroy_locks:
+	cv_destroy(&dp->tx_drain_cv);
+	cv_destroy(&dp->rx_drain_cv);
+	mutex_destroy(&dp->txlock);
+	mutex_destroy(&dp->rxlock);
+	rw_destroy(&dp->dev_state_lock);
+	mutex_destroy(&dp->link_watcher_lock);
+	cv_destroy(&dp->link_watcher_wait_cv);
+	sema_destroy(&dp->hal_op_lock);
+	sema_destroy(&dp->rxfilter_lock);
+
+err_close_pipes:
+	(void) usbgem_close_pipes(dp);
+
+err_unregister_client:
+	usb_client_detach(dp->dip, dp->reg_data);
+
+err_free_private:
+#ifdef USBGEM_CONFIG_GLDv3
+	if (macp) {
+		mac_free(macp);
+	}
+#else
+	gld_mac_free(macinfo);
+#endif
+	kmem_free((caddr_t)dp, USBGEM_LOCAL_DATA_SIZE(gc));
+
+	return (NULL);
+}
+
+int
+usbgem_do_detach(dev_info_t *dip)
+{
+	struct usbgem_dev	*dp;
+
+	dp = USBGEM_GET_DEV(dip);
+
+#ifdef USBGEM_CONFIG_GLDv3
+	/* unregister with gld v3 */
+	if (mac_unregister(dp->mh) != DDI_SUCCESS) {
+		return (DDI_FAILURE);
+	}
+#else
+	/* unregister with gld v2 */
+	if (gld_unregister(dp->macinfo) != DDI_SUCCESS) {
+		return (DDI_FAILURE);
+	}
+#endif
+	/* unregister with hotplug service */
+	usb_unregister_hotplug_cbs(dip);
+
+	/* stop tx watchdog watcher*/
+	usbgem_tx_watcher_stop(dp);
+
+	/* stop the link manager */
+	usbgem_mii_stop(dp);
+
+	/* unregister with usb service */
+	(void) usbgem_free_memory(dp);
+	(void) usbgem_close_pipes(dp);
+	usb_client_detach(dp->dip, dp->reg_data);
+	dp->reg_data = NULL;
+
+	/* unregister with kernel statistics */
+#ifdef USBGEM_CONFIG_GLDv3
+#ifdef USBGEM_CONFIG_ND
+	/* release ndd resources */
+	usbgem_nd_cleanup(dp);
+#endif
+#else
+	/* destroy kstat objects */
+	kstat_delete(dp->ksp);
+#endif
+
+	/* release locks and condition variables */
+	mutex_destroy(&dp->txlock);
+	mutex_destroy(&dp->rxlock);
+	cv_destroy(&dp->tx_drain_cv);
+	cv_destroy(&dp->rx_drain_cv);
+	rw_destroy(&dp->dev_state_lock);
+	mutex_destroy(&dp->link_watcher_lock);
+	cv_destroy(&dp->link_watcher_wait_cv);
+	sema_destroy(&dp->hal_op_lock);
+	sema_destroy(&dp->rxfilter_lock);
+
+	/* release basic memory resources */
+#ifndef USBGEM_CONFIG_GLDv3
+	gld_mac_free(dp->macinfo);
+#endif
+	kmem_free((caddr_t)(dp->private), dp->priv_size);
+	kmem_free((caddr_t)dp, USBGEM_LOCAL_DATA_SIZE(&dp->ugc));
+
+	DPRINTF(2, (CE_CONT, "!%s: %s: return: success",
+	    ddi_driver_name(dip), __func__));
+
+	return (DDI_SUCCESS);
+}
+
+int
+usbgem_mod_init(struct dev_ops *dop, char *name)
+{
+#ifdef USBGEM_CONFIG_GLDv3
+	major_t	major;
+	major = ddi_name_to_major(name);
+	if (major == DDI_MAJOR_T_NONE) {
+		return (DDI_FAILURE);
+	}
+	mac_init_ops(dop, name);
+#endif
+	return (DDI_SUCCESS);
+}
+
+void
+usbgem_mod_fini(struct dev_ops *dop)
+{
+#ifdef USBGEM_CONFIG_GLDv3
+	mac_fini_ops(dop);
+#endif
+}
+
+int
+usbgem_quiesce(dev_info_t *dip)
+{
+	struct usbgem_dev	*dp;
+
+	dp = USBGEM_GET_DEV(dip);
+
+	ASSERT(dp != NULL);
+
+	if (dp->mac_state != MAC_STATE_DISCONNECTED &&
+	    dp->mac_state != MAC_STATE_STOPPED) {
+		if (usbgem_hal_stop_chip(dp) != USB_SUCCESS) {
+			(void) usbgem_hal_reset_chip(dp);
+		}
+	}
+
+	/* devo_quiesce() must return DDI_SUCCESS always */
+	return (DDI_SUCCESS);
+}
diff --git a/usr/src/uts/common/io/usbgem/usbgem.h b/usr/src/uts/common/io/usbgem/usbgem.h
new file mode 100644
index 0000000000..80b89a260e
--- /dev/null
+++ b/usr/src/uts/common/io/usbgem/usbgem.h
@@ -0,0 +1,428 @@
+/*
+ * usbgem.h: General USB to Ethernet MAC driver framework
+ * @(#)usbgem.h	1.4 12/02/09
+ * (C) Copyright 2003-2009 Masayuki Murayama KHF04453@nifty.ne.jp
+ */
+
+#ifndef __USBGEM_H__
+#define __USBGEM_H__
+
+#pragma	ident	"@(#)usbgem.h	1.4 12/02/09"
+
+#ifdef USBGEM_CONFIG_GLDv3
+#include <sys/mac.h>
+#ifndef MAC_VERSION
+#include <sys/mac_provider.h>
+#endif
+#include <sys/mac_ether.h>
+#else
+#include <sys/gld.h>
+#endif /* GLDv3 */
+
+/*
+ * Useful macros and typedefs
+ */
+#define	USBGEM_NAME_LEN	32
+
+#define USBGEM_TX_TIMEOUT		(drv_usectohz(3*1000000))
+#define USBGEM_TX_TIMEOUT_INTERVAL	(drv_usectohz(1*1000000))
+#define USBGEM_LINK_WATCH_INTERVAL	(drv_usectohz(1*1000000))
+
+/* general return code */
+#define	USBGEM_SUCCESS	0
+#define	USBGEM_FAILURE	1
+
+/* return code of usbgem_tx_done */
+#define	INTR_RESTART_TX	0x80000000U
+
+struct usbgem_stats {
+	uint32_t	intr;
+
+	uint32_t	crc;
+	uint32_t	errrcv;
+	uint32_t	overflow;
+	uint32_t	frame;
+	uint32_t	missed;
+	uint32_t	runt;
+	uint32_t	frame_too_long;
+	uint32_t	norcvbuf;
+	uint32_t	sqe;
+
+	uint32_t	collisions;
+	uint32_t	first_coll;
+	uint32_t	multi_coll;
+	uint32_t	excoll;
+	uint32_t	xmit_internal_err;
+	uint32_t	nocarrier;
+	uint32_t	defer;
+	uint32_t	errxmt;
+	uint32_t	underflow;
+	uint32_t	xmtlatecoll;
+	uint32_t	noxmtbuf;
+	uint32_t	jabber;
+
+
+	uint64_t	rbytes;
+	uint64_t	obytes;
+	uint64_t	rpackets;
+	uint64_t	opackets;
+	uint32_t	rbcast;
+	uint32_t	obcast;
+	uint32_t	rmcast;
+	uint32_t	omcast;
+	uint32_t	rcv_internal_err;
+};
+
+struct mcast_addr {
+	struct ether_addr	addr;
+	uint32_t		hash;
+};
+
+#define	USBGEM_MAXMC	64
+#define	USBGEM_MCALLOC	(sizeof(struct mcast_addr) * USBGEM_MAXMC)
+
+#define	SLOT(dp, n)	((n) % (dp)->ugc.usbgc_tx_list_max)
+
+/*
+ * mac soft state
+ */
+struct usbgem_dev {
+	dev_info_t	*dip;
+#ifdef USBGEM_CONFIG_GLDv3
+	mac_handle_t	mh;
+#else
+	void		*macinfo;	/* opaque handle for upper layer */
+#endif
+	char		name[USBGEM_NAME_LEN];
+
+	/* pointer to usb private data */
+	usb_client_dev_data_t	*reg_data;
+
+	/* usb handles */
+	usb_pipe_handle_t	default_pipe;
+	usb_pipe_handle_t	bulkin_pipe;
+	usb_pipe_handle_t	bulkout_pipe;
+	usb_pipe_handle_t	intr_pipe;
+
+	/* usb endpoints */
+	usb_ep_descr_t		*ep_default;
+	usb_ep_descr_t		*ep_bulkin;
+	usb_ep_descr_t		*ep_bulkout;
+	usb_ep_descr_t		*ep_intr;
+
+	/* usb policies */
+	usb_pipe_policy_t	policy_default;
+	usb_pipe_policy_t	policy_bulkin;
+	usb_pipe_policy_t	policy_bulkout;
+	usb_pipe_policy_t	policy_interrupt;
+
+	/* MAC address information */
+	struct ether_addr	cur_addr;
+	struct ether_addr	dev_addr;
+
+	/* RX state and resource management */
+	kmutex_t		rxlock;
+	int			rx_busy_cnt;
+	boolean_t		rx_active;
+	kcondvar_t		rx_drain_cv;
+
+	/* RX buffer management */
+	int			rx_buf_len;
+
+	/* TX state and resource management */
+	kmutex_t		txlock;
+	int			tx_busy_cnt;
+	usb_bulk_req_t		*tx_free_list;
+	kcondvar_t		tx_drain_cv;
+	clock_t			tx_start_time;
+	int			bulkout_timeout;	/* in second */
+	int			tx_max_packets;
+	int			tx_seq_num;
+	int			tx_intr_pended;
+
+	/* NIC state from OS view */
+	int			nic_state;
+#define	NIC_STATE_UNKNOWN	0
+#define	NIC_STATE_STOPPED	1
+#define	NIC_STATE_INITIALIZED	2
+#define	NIC_STATE_ONLINE	3
+
+	/* MAC state from hardware view */
+	int			mac_state;
+#define	MAC_STATE_DISCONNECTED	0	/* it includes suspended state too */
+#define	MAC_STATE_STOPPED	1	/* powered up / buf not initialized */
+#define	MAC_STATE_INITIALIZED	2	/* initialized */
+#define	MAC_STATE_ONLINE	3	/* working correctly  */
+#define	MAC_STATE_ERROR		4	/* need to restart nic */
+
+	clock_t			fatal_error;
+
+	/* robustness: timer and watchdog */
+	uint_t			tx_watcher_stop;
+	kt_did_t		tx_watcher_did;
+	kcondvar_t		tx_watcher_cv;
+	kmutex_t		tx_watcher_lock;
+	clock_t			tx_watcher_timeout;
+	clock_t			tx_watcher_interval;
+
+	/* MII mamagement */
+	boolean_t		anadv_autoneg:1;
+	boolean_t		anadv_1000fdx:1;
+	boolean_t		anadv_1000hdx:1;
+	boolean_t		anadv_100t4:1;
+	boolean_t		anadv_100fdx:1;
+	boolean_t		anadv_100hdx:1;
+	boolean_t		anadv_10fdx:1;
+	boolean_t		anadv_10hdx:1;
+	boolean_t		anadv_1000t_ms:2;
+	boolean_t		anadv_pause:1;
+	boolean_t		anadv_asmpause:1;
+	boolean_t		mii_advert_ro:1;
+
+	boolean_t		full_duplex:1;
+	int			speed:3;
+#define		USBGEM_SPD_10	0
+#define		USBGEM_SPD_100	1
+#define		USBGEM_SPD_1000	2
+#define		USBGEM_SPD_NUM	3
+	unsigned int		flow_control:2;
+#define		FLOW_CONTROL_NONE	0
+#define		FLOW_CONTROL_SYMMETRIC	1
+#define		FLOW_CONTROL_TX_PAUSE	2
+#define		FLOW_CONTROL_RX_PAUSE	3
+
+	boolean_t		mii_supress_msg:1;
+
+	uint32_t		mii_phy_id;
+	uint16_t		mii_status;
+	uint16_t		mii_advert;
+	uint16_t		mii_lpable;
+	uint16_t		mii_exp;
+	uint16_t		mii_ctl1000;
+	uint16_t		mii_stat1000;
+	uint16_t		mii_xstatus;
+	int8_t			mii_phy_addr;	/* must be signed */
+
+	uint16_t		mii_status_ro;
+	uint16_t		mii_xstatus_ro;
+
+	int			mii_state;
+#define		MII_STATE_UNKNOWN		0
+#define		MII_STATE_RESETTING		1
+#define		MII_STATE_AUTONEGOTIATING	2
+#define		MII_STATE_AN_DONE		3
+#define		MII_STATE_MEDIA_SETUP		4
+#define		MII_STATE_LINKUP		5
+#define		MII_STATE_LINKDOWN		6
+
+	clock_t			mii_last_check;	/* in tick */
+	clock_t			mii_timer;	/* in tick */
+#define		MII_RESET_TIMEOUT	drv_usectohz(1000*1000)
+#define		MII_AN_TIMEOUT		drv_usectohz(5000*1000)
+#define		MII_LINKDOWN_TIMEOUT	drv_usectohz(10000*1000)
+
+	clock_t			mii_interval;	/* in tick */
+	clock_t			linkup_delay;	/* in tick */
+
+	uint_t			link_watcher_stop;
+	kt_did_t		link_watcher_did;
+	kcondvar_t		link_watcher_wait_cv;
+	kmutex_t		link_watcher_lock;
+
+	krwlock_t		dev_state_lock;	/* mac_state and nic_state */
+	ksema_t			hal_op_lock;	/* serialize hw operations */
+	ksema_t			drv_op_lock;	/* hotplug op lock */
+
+	/* multcast list */
+	ksema_t			rxfilter_lock;
+	int			mc_count;
+	int			mc_count_req;
+	struct mcast_addr	*mc_list;
+	int			rxmode;
+#define		RXMODE_PROMISC		0x01
+#define		RXMODE_ALLMULTI_REQ	0x02
+#define		RXMODE_MULTI_OVF	0x04
+#define		RXMODE_ENABLE		0x08
+#define		RXMODE_ALLMULTI		(RXMODE_ALLMULTI_REQ | RXMODE_MULTI_OVF)
+#define		RXMODE_BITS	\
+			"\020"	\
+			"\004ENABLE"	\
+			"\003MULTI_OVF"	\
+			"\002ALLMULTI_REQ"	\
+			"\001PROMISC"
+
+	/* statistcs */
+	struct usbgem_stats		stats;
+
+	/* pointer to local structure */
+	void			*private;
+	int			priv_size;
+
+	/* configuration */
+	struct usbgem_conf {
+		/* name */
+		char		usbgc_name[USBGEM_NAME_LEN];
+		int		usbgc_ppa;
+
+		/* specification on usb */
+		int	usbgc_ifnum;	/* interface number */
+		int	usbgc_alt;	/* alternate */
+
+		/* specification on tx engine */
+		int		usbgc_tx_list_max;
+
+		/* specification on rx engine */
+		int		usbgc_rx_header_len;
+		int		usbgc_rx_list_max;
+
+		/* time out parameters */
+		clock_t		usbgc_tx_timeout;
+		clock_t		usbgc_tx_timeout_interval;
+
+		/* flow control */
+		int		usbgc_flow_control;
+
+		/* MII timeout parameters */
+		clock_t	usbgc_mii_linkdown_timeout;
+		clock_t	usbgc_mii_link_watch_interval;
+		clock_t	usbgc_mii_reset_timeout;
+
+		clock_t	usbgc_mii_an_watch_interval;
+		clock_t	usbgc_mii_an_timeout;
+		clock_t	usbgc_mii_an_wait;	
+		clock_t	usbgc_mii_an_delay;
+
+		/* MII configuration */
+		int	usbgc_mii_addr_min;
+		int	usbgc_mii_linkdown_action;
+		int	usbgc_mii_linkdown_timeout_action;
+#define		MII_ACTION_NONE		0
+#define		MII_ACTION_RESET	1
+#define		MII_ACTION_RSA		2
+		boolean_t	usbgc_mii_dont_reset:1;	
+		boolean_t	usbgc_mii_an_oneshot:1;
+		boolean_t	usbgc_mii_hw_link_detection:1;
+		boolean_t	usbgc_mii_stop_mac_on_linkdown:1;
+		uint16_t	usbgc_mii_an_cmd;
+
+		/* I/O methods */
+
+		/* mac operation */
+		int	(*usbgc_attach_chip)(struct usbgem_dev *dp);
+		int	(*usbgc_reset_chip)(struct usbgem_dev *dp);
+		int	(*usbgc_init_chip)(struct usbgem_dev *dp);
+		int	(*usbgc_start_chip)(struct usbgem_dev *dp);
+		int	(*usbgc_stop_chip)(struct usbgem_dev *dp);
+		uint32_t (*usbgc_multicast_hash)(struct usbgem_dev *dp,
+		    const uint8_t *);
+		int	(*usbgc_set_rx_filter)(struct usbgem_dev *dp);
+		int	(*usbgc_set_media)(struct usbgem_dev *dp);
+		int	(*usbgc_get_stats)(struct usbgem_dev *dp);
+		void	(*usbgc_interrupt)(struct usbgem_dev *dp, mblk_t *mp);
+
+		/* packet manupilation */
+		mblk_t	*(*usbgc_tx_make_packet)(struct usbgem_dev *dp, mblk_t *mp);
+		mblk_t	*(*usbgc_rx_make_packet)(struct usbgem_dev *dp, mblk_t *mp);
+		/* mii operations */
+		int	(*usbgc_mii_probe)(struct usbgem_dev *dp);
+		int	(*usbgc_mii_init)(struct usbgem_dev *dp);
+		int	(*usbgc_mii_config)(struct usbgem_dev *dp, int *errp);
+		uint16_t (*usbgc_mii_read)(struct usbgem_dev *dp, uint_t reg, int *errp);
+		void	(*usbgc_mii_write)(struct usbgem_dev *dp, uint_t reg, uint16_t val, int *errp);
+
+		/* jumbo frame */
+		int     usbgc_max_mtu;
+		int     usbgc_default_mtu;
+		int     usbgc_min_mtu;
+	} ugc;
+
+	int	misc_flag;
+#define USBGEM_VLAN	0x0001
+	timeout_id_t	intr_watcher_id;
+
+	/* buffer size */
+	uint_t	mtu;
+
+	/* performance tuning parameters */
+	uint_t	txthr;		/* tx fifo threshoold */
+	uint_t	txmaxdma;	/* tx max dma burst size */ 
+	uint_t	rxthr;		/* rx fifo threshoold */
+	uint_t	rxmaxdma;	/* tx max dma burst size */ 
+
+	/* kstat stuff */
+	kstat_t	*ksp;
+
+	/* ndd stuff */
+	caddr_t	nd_data_p;
+	caddr_t	nd_arg_p;
+
+#ifdef USBGEM_DEBUG_LEVEL
+	int	tx_cnt;
+#endif
+};
+
+/*
+ * Exported functions
+ */
+int usbgem_ctrl_out(struct usbgem_dev *dp,
+    uint8_t reqt, uint8_t req, uint16_t val, uint16_t ix, uint16_t len,
+    void *bp, int size);
+
+int usbgem_ctrl_in(struct usbgem_dev *dp,
+    uint8_t reqt, uint8_t req, uint16_t val, uint16_t ix, uint16_t len,
+    void *bp, int size);
+
+int usbgem_ctrl_out_val(struct usbgem_dev *dp,
+    uint8_t reqt, uint8_t req, uint16_t val, uint16_t ix, uint16_t len,
+    uint32_t v);
+
+int usbgem_ctrl_in_val(struct usbgem_dev *dp,
+    uint8_t reqt, uint8_t req, uint16_t val, uint16_t ix, uint16_t len,
+    void *valp);
+
+void usbgem_generate_macaddr(struct usbgem_dev *, uint8_t *);
+boolean_t usbgem_get_mac_addr_conf(struct usbgem_dev *);
+int usbgem_mii_probe_default(struct usbgem_dev *);
+int usbgem_mii_init_default(struct usbgem_dev *);
+int usbgem_mii_config_default(struct usbgem_dev *, int *errp);
+void usbgem_mii_update_link(struct usbgem_dev *);
+void usbgem_restart_tx(struct usbgem_dev *);
+boolean_t usbgem_tx_done(struct usbgem_dev *, int);
+void usbgem_receive(struct usbgem_dev *);
+struct usbgem_dev *usbgem_do_attach(dev_info_t *,
+    struct usbgem_conf *, void *, int);
+int usbgem_do_detach(dev_info_t *);
+
+uint32_t usbgem_ether_crc_le(const uint8_t *addr);
+uint32_t usbgem_ether_crc_be(const uint8_t *addr);
+
+int usbgem_resume(dev_info_t *);
+int usbgem_suspend(dev_info_t *);
+int usbgem_quiesce(dev_info_t *);
+
+#ifdef USBGEM_CONFIG_GLDv3
+#if DEVO_REV < 4
+#define USBGEM_STREAM_OPS(dev_ops, attach, detach) \
+        DDI_DEFINE_STREAM_OPS(dev_ops, nulldev, nulldev, attach, detach, \
+        nodev, NULL, D_MP, NULL)
+#else
+#define USBGEM_STREAM_OPS(dev_ops, attach, detach) \
+	DDI_DEFINE_STREAM_OPS(dev_ops, nulldev, nulldev, attach, detach, \
+	nodev, NULL, D_MP, NULL, usbgem_quiesce)
+#endif
+#else
+#define usbgem_getinfo     gld_getinfo
+#define usbgem_open        gld_open
+#define usbgem_close       gld_close
+#define usbgem_wput        gld_wput
+#define usbgem_wsrv        gld_wsrv
+#define usbgem_rsrv        gld_rsrv
+#define usbgem_power       NULL
+#endif
+int usbgem_mod_init(struct dev_ops *, char *);
+void usbgem_mod_fini(struct dev_ops *);
+
+#define USBGEM_GET_DEV(dip) \
+	((struct usbgem_dev *)(ddi_get_driver_private(dip)))
+
+#endif /* __USBGEM_H__ */
diff --git a/usr/src/uts/common/io/usbgem/usbgem_mii.h b/usr/src/uts/common/io/usbgem/usbgem_mii.h
new file mode 100644
index 0000000000..2b4176a340
--- /dev/null
+++ b/usr/src/uts/common/io/usbgem/usbgem_mii.h
@@ -0,0 +1,242 @@
+/*
+ *  gem_mii.h: mii header for gem
+ *
+ * Copyright (c) 2002-2007 Masayuki Murayama.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the author nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
+#pragma ident	"@(#)gem_mii.h	1.4	07/11/30"
+
+/*
+ * gem_mii.h : MII registers
+ */
+#ifndef _GEM_MII_H_
+#define	_GEM_MII_H_
+
+#ifdef GEM_CONFIG_GLDv3
+#include <sys/miiregs.h>
+#else
+#define	MII_CONTROL 		0
+#define	MII_STATUS 		1
+#define	MII_PHYIDH		2
+#define	MII_PHYIDL		3
+#define	MII_AN_ADVERT		4
+#define	MII_AN_LPABLE		5
+#define	MII_AN_EXPANSION	6
+#define	MII_AN_NXTPGXMIT	7
+#endif /* GEM_CONFIG_GLDv3 */
+
+#define	MII_AN_LPANXT		8
+#define	MII_MS_CONTROL		9
+#define	MII_MS_STATUS		10
+#define	MII_XSTATUS		15
+
+/* for 1000BaseT support */
+#define	MII_1000TC		MII_MS_CONTROL
+#define	MII_1000TS		MII_MS_STATUS
+#ifndef GEM_CONFIG_GLDv3
+#define	MII_CONTROL_RESET	0x8000
+#define	MII_CONTROL_LOOPBACK	0x4000
+#define	MII_CONTROL_100MB	0x2000
+#define	MII_CONTROL_ANE		0x1000
+#define	MII_CONTROL_PWRDN	0x0800
+#define	MII_CONTROL_ISOLATE	0x0400
+#define	MII_CONTROL_RSAN	0x0200
+#define	MII_CONTROL_FDUPLEX	0x0100
+#define	MII_CONTROL_COLTST	0x0080
+#endif /* !GEM_CONFIG_GLDv3 */
+#define	MII_CONTROL_SPEED	0x2040
+
+#define	MII_CONTROL_10MB	0x0000
+#define	MII_CONTROL_1000MB	0x0040
+
+#define	MII_CONTROL_BITS	\
+	"\020"	\
+	"\020RESET"	\
+	"\017LOOPBACK"	\
+	"\016100MB"	\
+	"\015ANE"	\
+	"\014PWRDN"	\
+	"\013ISOLATE"	\
+	"\012RSAN"	\
+	"\011FDUPLEX"	\
+	"\010COLTST"	\
+	"\0071000M"
+#ifndef GEM_CONFIG_GLDv3
+#define	MII_STATUS_100_BASE_T4		0x8000
+#define	MII_STATUS_100_BASEX_FD		0x4000
+#define	MII_STATUS_100_BASEX		0x2000
+#define	MII_STATUS_10_FD		0x1000
+#define	MII_STATUS_10			0x0800
+#define	MII_STATUS_MFPRMBLSUPR		0x0040
+#define	MII_STATUS_ANDONE		0x0020
+#define	MII_STATUS_REMFAULT		0x0010
+#define	MII_STATUS_CANAUTONEG		0x0008
+#define	MII_STATUS_LINKUP		0x0004
+#define	MII_STATUS_JABBERING		0x0002
+#define	MII_STATUS_EXTENDED		0x0001
+#endif /* !GEM_CONFIG_GLDv3 */
+#define	MII_STATUS_XSTATUS		0x0100
+#define	MII_STATUS_100_BASE_T2_FD	0x0400
+#define	MII_STATUS_100_BASE_T2		0x0200
+
+#define	MII_STATUS_ABILITY_TECH	\
+	(MII_STATUS_100_BASE_T4	|	\
+	MII_STATUS_100_BASEX_FD |	\
+	MII_STATUS_100_BASEX |	\
+	MII_STATUS_10 |	\
+	MII_STATUS_10_FD)
+
+
+#define	MII_STATUS_BITS	\
+	"\020"	\
+	"\020100_BASE_T4"	\
+	"\017100_BASEX_FD"	\
+	"\016100_BASEX"	\
+	"\01510_BASE_FD"	\
+	"\01410_BASE"	\
+	"\013100_BASE_T2_FD"	\
+	"\012100_BASE_T2"	\
+	"\011XSTATUS"	\
+	"\007MFPRMBLSUPR"	\
+	"\006ANDONE"	\
+	"\005REMFAULT"	\
+	"\004CANAUTONEG"	\
+	"\003LINKUP"	\
+	"\002JABBERING"	\
+	"\001EXTENDED"
+#ifndef GEM_CONFIG_GLDv3
+#define	MII_AN_ADVERT_NP		0x8000
+#define	MII_AN_ADVERT_REMFAULT		0x2000
+#define	MII_AN_ADVERT_SELECTOR		0x001f
+#endif /* !GEM_CONFIG_GLDv3 */
+
+#define	MII_ABILITY_ASM_DIR		0x0800	/* for annex 28B */
+#ifndef	MII_ABILITY_PAUSE
+#define	MII_ABILITY_PAUSE		0x0400	/* for IEEE 802.3x */
+#endif
+#ifndef GEM_CONFIG_GLDv3
+#define	MII_ABILITY_100BASE_T4		0x0200
+#define	MII_ABILITY_100BASE_TX_FD	0x0100
+#define	MII_ABILITY_100BASE_TX		0x0080
+#define	MII_ABILITY_10BASE_T_FD		0x0040
+#define	MII_ABILITY_10BASE_T		0x0020
+#endif /* !GEM_CONFIG_GLDv3 */
+
+#define	MII_AN_LPABLE_NP	0x8000
+
+#define	MII_ABILITY_TECH	\
+	(MII_ABILITY_100BASE_T4	|	\
+	MII_ABILITY_100BASE_TX_FD |	\
+	MII_ABILITY_100BASE_TX |	\
+	MII_ABILITY_10BASE_T |	\
+	MII_ABILITY_10BASE_T_FD)
+
+#define	MII_ABILITY_ALL	\
+	(MII_AN_ADVERT_REMFAULT |	\
+	MII_ABILITY_ASM_DIR |	\
+	MII_ABILITY_PAUSE |	\
+	MII_ABILITY_TECH)
+
+
+#define	MII_ABILITY_BITS	\
+	"\020"	\
+	"\016REMFAULT"	\
+	"\014ASM_DIR"	\
+	"\013PAUSE"	\
+	"\012100BASE_T4"	\
+	"\011100BASE_TX_FD"	\
+	"\010100BASE_TX"	\
+	"\00710BASE_T_FD"	\
+	"\00610BASE_T"
+#ifndef GEM_CONFIG_GLDv3
+#define	MII_AN_EXP_PARFAULT	0x0010
+#define	MII_AN_EXP_LPCANNXTP	0x0008
+#define	MII_AN_EXP_CANNXTPP	0x0004
+#define	MII_AN_EXP_PAGERCVD 	0x0002
+#define	MII_AN_EXP_LPCANAN 	0x0001
+#endif /* !GEM_CONFIG_GLDv3 */
+
+#define	MII_AN_EXP_BITS	\
+	"\020"	\
+	"\005PARFAULT"	\
+	"\004LPCANNXTP"	\
+	"\003CANNXTPP"	\
+	"\002PAGERCVD"	\
+	"\001LPCANAN"
+
+#define	MII_1000TC_TESTMODE	0xe000
+#define	MII_1000TC_CFG_EN	0x1000
+#define	MII_1000TC_CFG_VAL	0x0800
+#define	MII_1000TC_PORTTYPE	0x0400
+#define	MII_1000TC_ADV_FULL	0x0200
+#define	MII_1000TC_ADV_HALF	0x0100
+
+#define	MII_1000TC_BITS	\
+	"\020"	\
+	"\015CFG_EN"	\
+	"\014CFG_VAL"	\
+	"\013PORTTYPE"	\
+	"\012FULL"	\
+	"\011HALF"
+
+#define	MII_1000TS_CFG_FAULT	0x8000
+#define	MII_1000TS_CFG_MASTER	0x4000
+#define	MII_1000TS_LOCALRXOK	0x2000
+#define	MII_1000TS_REMOTERXOK	0x1000
+#define	MII_1000TS_LP_FULL	0x0800
+#define	MII_1000TS_LP_HALF	0x0400
+
+#define	MII_1000TS_BITS	\
+	"\020"	\
+	"\020CFG_FAULT"	\
+	"\017CFG_MASTER"	\
+	"\014CFG_LOCALRXOK"	\
+	"\013CFG_REMOTERXOK"	\
+	"\012LP_FULL"	\
+	"\011LP_HALF"
+
+#define	MII_XSTATUS_1000BASEX_FD	0x8000
+#define	MII_XSTATUS_1000BASEX		0x4000
+#define	MII_XSTATUS_1000BASET_FD	0x2000
+#define	MII_XSTATUS_1000BASET		0x1000
+
+#define	MII_XSTATUS_BITS	\
+	"\020"	\
+	"\0201000BASEX_FD"	\
+	"\0171000BASEX"		\
+	"\0161000BASET_FD"	\
+	"\0151000BASET"
+
+#define	MII_READ_CMD(p, r)	\
+	((6<<(18+5+5)) | ((p)<<(18+5)) | ((r)<<18))
+
+#define	MII_WRITE_CMD(p, r, v)	\
+	((5<<(18+5+5)) | ((p)<<(18+5)) | ((r)<<18) | (2 << 16) | (v))
+
+#endif /* _GEM_MII_H_ */
diff --git a/usr/src/uts/common/io/vnd/frameio.c b/usr/src/uts/common/io/vnd/frameio.c
new file mode 100644
index 0000000000..e4e700fa12
--- /dev/null
+++ b/usr/src/uts/common/io/vnd/frameio.c
@@ -0,0 +1,464 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Frame I/O utility functions
+ */
+
+#include <sys/frameio.h>
+
+#include <sys/file.h>
+#include <sys/types.h>
+#include <sys/kmem.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/stream.h>
+#include <sys/strsun.h>
+#include <sys/sysmacros.h>
+#include <sys/inttypes.h>
+
+static kmem_cache_t *frameio_cache;
+
+int
+frameio_init(void)
+{
+	frameio_cache = kmem_cache_create("frameio_cache",
+	    sizeof (frameio_t) + sizeof (framevec_t) * FRAMEIO_NVECS_MAX,
+	    0, NULL, NULL, NULL, NULL, NULL, 0);
+	if (frameio_cache == NULL)
+		return (1);
+
+	return (0);
+}
+
+void
+frameio_fini(void)
+{
+	if (frameio_cache != NULL)
+		kmem_cache_destroy(frameio_cache);
+}
+
+frameio_t *
+frameio_alloc(int kmflags)
+{
+	return (kmem_cache_alloc(frameio_cache, kmflags));
+}
+
+void
+frameio_free(frameio_t *fio)
+{
+	return (kmem_cache_free(frameio_cache, fio));
+}
+
+/*
+ * Ensure that we don't see any garbage in the framevecs that we're nominally
+ * supposed to work with. Specifically we want to make sure that the buflen and
+ * the address are not zero.
+ */
+static int
+frameio_hdr_check_vecs(frameio_t *fio)
+{
+	int i;
+	for (i = 0; i < fio->fio_nvecs; i++)
+		if (fio->fio_vecs[i].fv_buf == NULL ||
+		    fio->fio_vecs[i].fv_buflen == 0)
+			return (EINVAL);
+
+	return (0);
+}
+
+/*
+ * We have to copy in framevec32_t's. To work around the data model issues and
+ * trying not to copy memory we first copy in the framevec32_t data into the
+ * standard fio_vec space. Next we work backwards copying a given framevec32_t
+ * to a temporaory framevec_t and then overwrite the frameio_t's data. Note that
+ * it is important that we do this in reverse so as to ensure that we don't
+ * clobber data as the framevec_t is larger than the framevec32_t.
+ */
+static int
+frameio_hdr_copyin_ilp32(frameio_t *fio, const void *addr)
+{
+	framevec32_t *vec32p;
+	framevec_t fv;
+	int i;
+
+	vec32p = (framevec32_t *)&fio->fio_vecs[0];
+
+	if (ddi_copyin(addr, vec32p, sizeof (framevec32_t) * fio->fio_nvecs,
+	    0) != 0)
+		return (EFAULT);
+
+	for (i = fio->fio_nvecs - 1; i >= 0; i--) {
+		fv.fv_buf = (void *)(uintptr_t)vec32p[i].fv_buf;
+		fv.fv_buflen = vec32p[i].fv_buflen;
+		fv.fv_actlen = vec32p[i].fv_actlen;
+		fio->fio_vecs[i].fv_buf = fv.fv_buf;
+		fio->fio_vecs[i].fv_buflen = fv.fv_buflen;
+		fio->fio_vecs[i].fv_actlen = fv.fv_actlen;
+	}
+
+	return (frameio_hdr_check_vecs(fio));
+}
+
+/*
+ * Copy in a frame io header into fio with space for up to nvecs. If the frameio
+ * contains more vectors than specified it will be ignored. mode should contain
+ * information about the datamodel.
+ */
+int
+frameio_hdr_copyin(frameio_t *fio, int max_vecs, const void *addr, uint_t mode)
+{
+	int model = ddi_model_convert_from(mode & FMODELS);
+	int cpf = mode & FKIOCTL ? FKIOCTL : 0;
+	size_t fsize = model == DDI_MODEL_ILP32 ?
+	    sizeof (frameio32_t) : sizeof (frameio_t);
+
+	/*
+	 * The start of the header is the same in all data models for the
+	 * current verison.
+	 */
+	if (ddi_copyin(addr, fio, fsize, cpf) != 0)
+		return (EFAULT);
+
+	if (fio->fio_version != FRAMEIO_VERSION_ONE)
+		return (EINVAL);
+
+	if (fio->fio_nvecs > FRAMEIO_NVECS_MAX || fio->fio_nvecs == 0)
+		return (EINVAL);
+
+	if (fio->fio_nvpf == 0)
+		return (EINVAL);
+
+	if (fio->fio_nvecs % fio->fio_nvpf != 0)
+		return (EINVAL);
+
+	if (fio->fio_nvecs > max_vecs)
+		return (EOVERFLOW);
+
+	addr = (void *)((uintptr_t)addr + fsize);
+	if (model == DDI_MODEL_ILP32) {
+		if (cpf != 0)
+			return (EINVAL);
+		return (frameio_hdr_copyin_ilp32(fio, addr));
+	}
+
+	if (ddi_copyin(addr, &fio->fio_vecs[0],
+	    sizeof (framevec_t) * fio->fio_nvecs, cpf) != 0)
+		return (EFAULT);
+
+	return (frameio_hdr_check_vecs(fio));
+}
+
+static mblk_t *
+frameio_allocb(size_t sz)
+{
+	mblk_t *mp;
+
+	mp = allocb(sz, 0);
+	if (mp == NULL)
+		return (NULL);
+
+	mp->b_datap->db_type = M_DATA;
+	return (mp);
+}
+
+static int
+framevec_mblk_read(framevec_t *fv, mblk_t **mpp, int cpf)
+{
+	mblk_t *mp;
+	cpf = cpf != 0 ? FKIOCTL : 0;
+
+	mp = frameio_allocb(fv->fv_buflen);
+
+	if (mp == NULL) {
+		freemsg(mp);
+		return (EAGAIN);
+	}
+
+	if (ddi_copyin(fv->fv_buf, mp->b_wptr, fv->fv_buflen,
+	    cpf) != 0) {
+		freemsg(mp);
+		return (EFAULT);
+	}
+
+	mp->b_wptr += fv->fv_buflen;
+	*mpp = mp;
+	return (0);
+}
+
+/*
+ * Read a set of frame vectors that make up a single message boundary and return
+ * that as a single message in *mpp that consists of multiple data parts.
+ */
+static int
+frameio_mblk_read(frameio_t *fio, framevec_t *fv, mblk_t **mpp, int cpf)
+{
+	int nparts = fio->fio_nvpf;
+	int part, error;
+	mblk_t *mp;
+
+	*mpp = NULL;
+	cpf = cpf != 0 ? FKIOCTL : 0;
+
+	/*
+	 * Construct the initial frame
+	 */
+	for (part = 0; part < nparts; part++) {
+		error = framevec_mblk_read(fv, &mp, cpf);
+		if (error != 0) {
+			freemsg(*mpp);
+			return (error);
+		}
+
+		if (*mpp == NULL)
+			*mpp = mp;
+		else
+			linkb(*mpp, mp);
+		fv++;
+	}
+
+	return (0);
+}
+
+/*
+ * Read data from a series of frameio vectors into a message block chain. A
+ * given frameio request has a number of discrete messages divided into
+ * individual vectors based on fio->fio_nvcspframe. Each discrete message will
+ * be constructed into a message block chain pointed to by b_next.
+ *
+ * If we get an EAGAIN while trying to construct a given message block what we
+ * return depends on what else we've done so far. If we have succesfully
+ * completed at least one message then we free everything else we've done so
+ * far and return that. If no messages have been completed we return EAGAIN. If
+ * instead we encounter a different error, say EFAULT, then all of the fv_actlen
+ * entries values are undefined.
+ */
+int
+frameio_mblk_chain_read(frameio_t *fio, mblk_t **mpp, int *nvecs, int cpf)
+{
+	int error = ENOTSUP;
+	int nframes = fio->fio_nvecs / fio->fio_nvpf;
+	int frame;
+	framevec_t *fv;
+	mblk_t *mp, *bmp = NULL;
+
+	/*
+	 * Protect against bogus kernel subsystems.
+	 */
+	VERIFY(fio->fio_nvecs > 0);
+	VERIFY(fio->fio_nvecs % fio->fio_nvpf == 0);
+
+	*mpp = NULL;
+	cpf = cpf != 0 ? FKIOCTL : 0;
+
+	fv = &fio->fio_vecs[0];
+	for (frame = 0; frame < nframes; frame++) {
+		error = frameio_mblk_read(fio, fv, &mp, cpf);
+		if (error != 0)
+			goto failed;
+
+		if (bmp != NULL)
+			bmp->b_next = mp;
+		else
+			*mpp = mp;
+		bmp = mp;
+	}
+
+	*nvecs = nframes;
+	return (0);
+failed:
+	/*
+	 * On EAGAIN we've already taken care of making sure that we have no
+	 * leftover messages, eg. they were never linked in.
+	 */
+	if (error == EAGAIN) {
+		if (frame != 0)
+			error = 0;
+		if (*nvecs != NULL)
+			*nvecs = frame;
+		ASSERT(*mpp != NULL);
+	} else {
+		for (mp = *mpp; mp != NULL; mp = bmp) {
+			bmp = mp->b_next;
+			freemsg(mp);
+		}
+		if (nvecs != NULL)
+			*nvecs = 0;
+		*mpp = NULL;
+	}
+	return (error);
+}
+
+size_t
+frameio_frame_length(frameio_t *fio, framevec_t *fv)
+{
+	int i;
+	size_t len = 0;
+
+	for (i = 0; i < fio->fio_nvpf; i++, fv++)
+		len += fv->fv_buflen;
+
+	return (len);
+}
+
+/*
+ * Write a portion of an mblk to the current.
+ */
+static int
+framevec_write_mblk_part(framevec_t *fv, mblk_t *mp, size_t len, size_t moff,
+    size_t foff, int cpf)
+{
+	ASSERT(len <= MBLKL(mp) - moff);
+	ASSERT(len <= fv->fv_buflen - fv->fv_actlen);
+	cpf = cpf != 0 ? FKIOCTL : 0;
+
+	if (ddi_copyout(mp->b_rptr + moff, fv->fv_buf + foff, len, cpf) != 0)
+		return (EFAULT);
+	fv->fv_actlen += len;
+
+	return (0);
+}
+
+/*
+ * Because copying this out to the user might fail we don't want to update the
+ * b_rptr in case we need to copy it out again.
+ */
+static int
+framevec_map_blk(frameio_t *fio, framevec_t *fv, mblk_t *mp, int cpf)
+{
+	int err;
+	size_t msize, blksize, len, moff, foff;
+
+	msize = msgsize(mp);
+	if (msize > frameio_frame_length(fio, fv))
+		return (EOVERFLOW);
+
+	moff = 0;
+	foff = 0;
+	blksize = MBLKL(mp);
+	fv->fv_actlen = 0;
+	while (msize != 0) {
+		len = MIN(blksize, fv->fv_buflen - fv->fv_actlen);
+		err = framevec_write_mblk_part(fv, mp, len, moff, foff, cpf);
+		if (err != 0)
+			return (err);
+
+		msize -= len;
+		blksize -= len;
+		moff += len;
+		foff += len;
+
+		if (blksize == 0 && msize != 0) {
+			mp = mp->b_cont;
+			ASSERT(mp != NULL);
+			moff = 0;
+			blksize = MBLKL(mp);
+		}
+
+		if (fv->fv_buflen == fv->fv_actlen && msize != 0) {
+			fv++;
+			fv->fv_actlen = 0;
+			foff = 0;
+		}
+	}
+
+	return (0);
+}
+
+int
+frameio_mblk_chain_write(frameio_t *fio, frameio_write_mblk_map_t map,
+    mblk_t *mp, int *nwrite, int cpf)
+{
+	int mcount = 0;
+	int ret = 0;
+
+	if (map != MAP_BLK_FRAME)
+		return (EINVAL);
+
+	while (mp != NULL && mcount < fio->fio_nvecs) {
+		ret = framevec_map_blk(fio, &fio->fio_vecs[mcount], mp, cpf);
+		if (ret != 0)
+			break;
+		mcount += fio->fio_nvpf;
+		mp = mp->b_next;
+	}
+
+	if (ret != 0 && mcount == 0) {
+		if (nwrite != NULL)
+			*nwrite = 0;
+		return (ret);
+	}
+
+	if (nwrite != NULL)
+		*nwrite = mcount / fio->fio_nvpf;
+
+	return (0);
+}
+
+/*
+ * Copy out nframes worth of frameio header data back to userland.
+ */
+int
+frameio_hdr_copyout(frameio_t *fio, int nframes, void *addr, uint_t mode)
+{
+	int i;
+	int model = ddi_model_convert_from(mode & FMODELS);
+	framevec32_t *vec32p;
+	framevec32_t f;
+
+	if (fio->fio_nvecs / fio->fio_nvpf < nframes)
+		return (EINVAL);
+
+	fio->fio_nvecs = nframes * fio->fio_nvpf;
+
+	if (model == DDI_MODEL_NONE) {
+		if (ddi_copyout(fio, addr,
+		    sizeof (frameio_t) + fio->fio_nvecs * sizeof (framevec_t),
+		    mode & FKIOCTL) != 0)
+			return (EFAULT);
+		return (0);
+	}
+
+	ASSERT(model == DDI_MODEL_ILP32);
+
+	vec32p = (framevec32_t *)&fio->fio_vecs[0];
+	for (i = 0; i < fio->fio_nvecs; i++) {
+		f.fv_buf = (caddr32_t)(uintptr_t)fio->fio_vecs[i].fv_buf;
+		if (fio->fio_vecs[i].fv_buflen > UINT_MAX ||
+		    fio->fio_vecs[i].fv_actlen > UINT_MAX)
+			return (EOVERFLOW);
+		f.fv_buflen = fio->fio_vecs[i].fv_buflen;
+		f.fv_actlen = fio->fio_vecs[i].fv_actlen;
+		vec32p[i].fv_buf = f.fv_buf;
+		vec32p[i].fv_buflen = f.fv_buflen;
+		vec32p[i].fv_actlen = f.fv_actlen;
+	}
+
+	if (ddi_copyout(fio, addr,
+	    sizeof (frameio32_t) + fio->fio_nvecs * sizeof (framevec32_t),
+	    mode & FKIOCTL) != 0)
+		return (EFAULT);
+	return (0);
+}
+
+void
+frameio_mark_consumed(frameio_t *fio, int nframes)
+{
+	int i;
+
+	ASSERT(fio->fio_nvecs / fio->fio_nvpf >= nframes);
+	for (i = 0; i < nframes * fio->fio_nvpf; i++)
+		fio->fio_vecs[i].fv_actlen = fio->fio_vecs[i].fv_buflen;
+}
diff --git a/usr/src/uts/common/io/vnd/vnd.c b/usr/src/uts/common/io/vnd/vnd.c
new file mode 100644
index 0000000000..d62c80c1c6
--- /dev/null
+++ b/usr/src/uts/common/io/vnd/vnd.c
@@ -0,0 +1,5584 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * vnd - virtual (machine) networking datapath
+ *
+ * vnd's purpose is to provide a highly performant data path for Layer 2 network
+ * traffic and exist side by side an active IP netstack, each servicing
+ * different datalinks. vnd provides many of the same capabilities as the
+ * current TCP/IP stack does and some specific to layer two. Specifically:
+ *
+ * 	o Use of the DLD fastpath
+ * 	o Packet capture hooks
+ * 	o Ability to use hardware capabilities
+ * 	o Useful interfaces for handling multiple frames
+ *
+ * The following image shows where vnd fits into today's networking stack:
+ *
+ *             +---------+----------+----------+
+ *             | libdlpi |  libvnd  | libsocket|
+ *             +---------+----------+----------+
+ *             |         ·          ·    VFS   |
+ *             |   VFS   ·    VFS   +----------+
+ *             |         ·          |  sockfs  |
+ *             +---------+----------+----------+
+ *             |         |    VND   |    IP    |
+ *             |         +----------+----------+
+ *             |            DLD/DLS            |
+ *             +-------------------------------+
+ *             |              MAC              |
+ *             +-------------------------------+
+ *             |             GLDv3             |
+ *             +-------------------------------+
+ *
+ * -----------------------------------------
+ * A Tale of Two Devices - DDI Device Basics
+ * -----------------------------------------
+ *
+ * vnd presents itself to userland as a character device; however, it also is a
+ * STREAMS device so that it can interface with dld and the rest of the
+ * networking stack. Users never interface with the STREAMs devices directly and
+ * they are purely an implementation detail of vnd. Opening the STREAMS device
+ * require kcred and as such userland cannot interact with it or push it onto
+ * the stream head.
+ *
+ * The main vnd character device, /dev/vnd/ctl, is a self-cloning device. Every
+ * clone gets its own minor number; however, minor nodes are not created in the
+ * devices tree for these instances. In this state a user may do two different
+ * things. They may issue ioctls that affect global state or they may issue
+ * ioctls that try to attach it to a given datalink. Once a minor device has
+ * been attached to a datalink, all operations on it are scoped to that context,
+ * therefore subsequent global operations are not permitted.
+ *
+ * A given device can be linked into the /devices and /dev name space via a link
+ * ioctl. That ioctl causes a minor node to be created in /devices and then it
+ * will also appear under /dev/vnd/ due to vnd's sdev plugin. This is similar
+ * to, but simpler than, IP's persistence mechanism.
+ *
+ * ---------------------
+ * Binding to a datalink
+ * ---------------------
+ *
+ * Datalinks are backed by the dld (datalink device) and dls (datalink services)
+ * drivers. These drivers provide a STREAMS device for datalinks on the system
+ * which are exposed through /dev/net. Userland generally manipulates datalinks
+ * through libdlpi. When an IP interface is being plumbed up what actually
+ * happens is that someone does a dlpi_open(3DLPI) of the underlying datalink
+ * and then pushes on the ip STREAMS module with an I_PUSH ioctl.  Modules may
+ * then can negotiate with dld and dls to obtain access to various capabilities
+ * and fast paths via a series of STREAMS messages.
+ *
+ * In vnd, we do the same thing, but we leave our STREAMS module as an
+ * implementation detail of the system. We don't want users to be able to
+ * arbitrarily push vnd STREAMS module onto any stream, so we explicitly require
+ * kcred to manipulate it. Thus, when a user issues a request to attach a
+ * datalink to a minor instance of the character device, that vnd minor instance
+ * itself does a layered open (ldi_open_by_name(9F)) of the specified datalink.
+ * vnd does that open using the passed in credentials from the ioctl, not kcred.
+ * This ensures that users who doesn't have permissions to open the device
+ * cannot. Once that's been opened, we push on the vnd streams module.
+ *
+ * Once the vnd STREAMS instance has been created for this device, eg. the
+ * I_PUSH ioctl returns, we explicitly send a STREAMS ioctl
+ * (VND_STRIOC_ASSOCIATE) to associate the vnd STREAMS and character devices.
+ * This association begins the STREAM device's initialization. We start up an
+ * asynchronous state machine that takes care of all the different aspects of
+ * plumbing up the device with dld and dls and enabling the MAC fast path. We
+ * need to guarantee to consumers of the character device that by the time their
+ * ioctl returns, the data path has been fully initialized.
+ *
+ * The state progression is fairly linear. There are two general steady states.
+ * The first is VND_S_ONLINE, which means that everything is jacked up and good
+ * to go. The alternative is VND_S_ZOMBIE, which means that the streams device
+ * encountered an error or we have finished tearing it down and the character
+ * device can clean it up. The following is our state progression and the
+ * meaning of each state:
+ *
+ *                |
+ *                |
+ *                V
+ *        +---------------+
+ *        | VNS_S_INITIAL |                  This is our initial state. Every
+ *        +---------------+                  vnd STREAMS device starts here.
+ *                |                          While in this state, only dlpi
+ *                |                          M_PROTO and M_IOCTL messages can be
+ *                |                          sent or received. All STREAMS based
+ *                |                          data messages are dropped.
+ *                |                          We transition out of this state by
+ *                |                          sending a DL_INFO_REQ to obtain
+ *                |                          information about the underlying
+ *                |                          link.
+ *                v
+ *        +-----------------+
+ *   +--<-| VNS_S_INFO_SENT |                In this state, we verify and
+ *   |    +-----------------+                record information about the
+ *   |            |                          underlying device. If the device is
+ *   |            |                          not suitable, eg. not of type
+ *   v            |                          DL_ETHER, then we immediately
+ *   |            |                          become a ZOMBIE. To leave this
+ *   |            |                          state we request exclusive active
+ *   |            |                          access to the device via
+ *   v            |                          DL_EXCLUSIVE_REQ.
+ *   |            v
+ *   |    +----------------------+
+ *   +--<-| VNS_S_EXCLUSIVE_SENT |           In this state, we verify whether
+ *   |    +----------------------+           or not we were able to obtain
+ *   |       |             |                 exclusive access to the device. If
+ *   |       |             |                 we were not able to, then we leave,
+ *   v       |             |                 as that means that something like
+ *   |       |             |                 IP is already plumbed up on top of
+ *   |       |             |                 the datalink. We leave this state
+ *   |       |             |                 by progressing through to the
+ *   |       |             |                 appropriate DLPI primitive, either
+ *   v       |             |                 DLPI_ATTACH_REQ or DLPI_BIND_REQ
+ *   |       |             |                 depending on the style of the
+ *   |       |             |                 datalink.
+ *   |       |             v
+ *   |       |    +-------------------+
+ *   +------ |--<-| VNS_S_ATTACH_SENT |      In this state, we verify we were
+ *   |       |    +-------------------+      able to perform a standard DLPI
+ *   |       |          |                    attach and if so, go ahead and
+ *   v       |          |                    send a DLPI_BIND_REQ.
+ *   |       v          v
+ *   |    +-------------------+
+ *   +--<-| VNS_S_BIND_SENT   |              In this state we see the result of
+ *   |    +-------------------+              our attempt to bind to PPA 0 of the
+ *   v             |                         underlying device. Because we're
+ *   |             |                         trying to be a layer two datapath,
+ *   |             |                         the specific attachment point isn't
+ *   |             |                         too important as we're going to
+ *   v             |                         have to enable promiscuous mode. We
+ *   |             |                         transition out of this by sending
+ *   |             |                         our first of three promiscuous mode
+ *   |             |                         requests.
+ *   v             v
+ *   |    +------------------------+
+ *   +--<-| VNS_S_SAP_PROMISC_SENT |         In this state we verify that we
+ *   |    +------------------------+         were able to enable promiscuous
+ *   |             |                         mode at the physical level. We
+ *   |             |                         transition out of this by enabling
+ *   |             |                         multicast and broadcast promiscuous
+ *   v             |                         mode.
+ *   |             v
+ *   |    +--------------------------+
+ *   +--<-| VNS_S_MULTI_PROMISC_SENT |       In this state we verify that we
+ *   |    +--------------------------+       have enabled DL_PROMISC_MULTI and
+ *   v             |                         move onto the final promiscuous
+ *   |             |                         mode request.
+ *   |             v
+ *   |    +----------------------------+
+ *   +--<-| VNS_S_RX_ONLY_PROMISC_SENT |     In this state we verify that we
+ *   |    +----------------------------+     enabled RX_ONLY promiscuous mode.
+ *   |             |                         We specifically do this as we don't
+ *   v             |                         want to receive our own traffic
+ *   |             |                         that we'll send out. We leave this
+ *   |             |                         state by requesting the set of
+ *   |             |                         dld/dls capabilities that we can
+ *   v             |                         process.
+ *   |             |
+ *   |             v
+ *   |    +--------------------+
+ *   +--<-| VNS_S_CAPAB_Q_SENT |             We loop over the set of
+ *   |    +--------------------+             capabilities that dld advertised
+ *   |             |                         and enable the ones that currently
+ *   v             |                         support for use. See the section
+ *   |             |                         later on regarding capabilities
+ *   |             |                         for more information. We leave this
+ *   |             |                         state by sending an enable request.
+ *   v             v
+ *   |    +--------------------+
+ *   +--<-| VNS_S_CAPAB_E_SENT |             Here we finish all capability
+ *   |    +--------------------+             initialization. Once finished, we
+ *   |             |                         transition to the next state. If
+ *   v             |                         the dld fast path is not available,
+ *   |             |                         we become a zombie.
+ *   |             v
+ *   |    +--------------+
+ *   +--<-| VNS_S_ONLINE |                   This is a vnd STREAMS device's
+ *   |    +--------------+                   steady state. It will normally
+ *   |             |                         reside in this state while it is in
+ *   |             |                         active use. It will only transition
+ *   v             |                         to the next state when the STREAMS
+ *   |             |                         device is closed by the character
+ *   |             |                         device. In this state, all data
+ *   |             |                         flows over the dld fast path.
+ *   |             v
+ *   |    +---------------------+
+ *   +--<-| VNS_S_SHUTTING_DOWN |            This vnd state takes care of
+ *   |    +---------------------+            disabling capabilities and then
+ *   |             |                         transitions to zombie state to
+ *   v             |                         indicate that it is finished.
+ *   |             v
+ *   |    +--------------+
+ *   +--->| VNS_S_ZOMBIE |                   In this state, the vnd STREAMS
+ *        +--------------+                   device is waiting to finished being
+ *                                           reaped.
+ *
+ * If the stream association fails for any reason the state machine reaches
+ * VNS_S_ZOMBIE. A more detailed vnd_errno_t will propagate back through the
+ * STREAMS ioctl to the character device. That will fail the user ioctl and
+ * propagate the vnd_errno_t back to userland. If, on the other hand, the
+ * association succeeds, then the vnd STREAMS device will be fully plumbed up
+ * and ready to transmit and receive message blocks. Consumers will be able to
+ * start using the other cbops(9E) entry points once the attach has fully
+ * finished, which will occur after the original user attach ioctl to the
+ * character device returns.
+ *
+ * --------------------
+ * General Architecture
+ * --------------------
+ *
+ * There are several different devices and structures in the vnd driver. There
+ * is a per-netstack component, pieces related to the character device that
+ * consumers see, the internal STREAMS device state, and the data queues
+ * themselves. The following ASCII art picture describes their relationships and
+ * some of the major pieces of data that contain them. These are not exhaustive,
+ * eg. synchronization primitives are left out.
+ *
+ *  +----------------+     +-----------------+
+ *  | global         |     | global          |
+ *  | device list    |     | netstack list   |
+ *  | vnd_dev_list   |     | vnd_nsd_list    |
+ *  +----------------+     +-----------------+
+ *      |                    |
+ *      |                    v
+ *      |    +-------------------+      +-------------------+
+ *      |    | per-netstack data | ---> | per-netstack data | --> ...
+ *      |    | vnd_pnsd_t        |      | vnd_pnsd_t        |
+ *      |    |                   |      +-------------------+
+ *      |    |                   |
+ *      |    | nestackid_t    ---+----> Netstack ID
+ *      |    | vnd_pnsd_flags_t -+----> Status flags
+ *      |    | zoneid_t       ---+----> Zone ID for this netstack
+ *      |    | hook_family_t  ---+----> VND IPv4 Hooks
+ *      |    | hook_family_t  ---+----> VND IPv6 Hooks
+ *      |    | list_t ----+      |
+ *      |    +------------+------+
+ *      |                 |
+ *      |                 v
+ *      |           +------------------+       +------------------+
+ *      |           | character device |  ---> | character device | -> ...
+ *      +---------->| vnd_dev_t        |       | vnd_dev_t        |
+ *                  |                  |       +------------------+
+ *                  |                  |
+ *                  | minor_t       ---+--> device minor number
+ *                  | ldi_handle_t  ---+--> handle to /dev/net/%datalink
+ *                  | vnd_dev_flags_t -+--> device flags, non blocking, etc.
+ *                  | char[]        ---+--> name if linked
+ *                  | vnd_str_t * -+   |
+ *                  +--------------+---+
+ *                                 |
+ *                                 v
+ *          +-------------------------+
+ *          | STREAMS device          |
+ *          | vnd_str_t               |
+ *          |                         |
+ *          | vnd_str_state_t      ---+---> State machine state
+ *          | gsqueue_t *          ---+---> mblk_t Serialization queue
+ *          | vnd_str_stat_t       ---+---> per-device kstats
+ *          | vnd_str_capab_t      ---+----------------------------+
+ *          | vnd_data_queue_t ---+   |                            |
+ *          | vnd_data_queue_t -+ |   |                            v
+ *          +-------------------+-+---+                  +---------------------+
+ *                              | |                      | Stream capabilities |
+ *                              | |                      | vnd_str_capab_t     |
+ *                              | |                      |                     |
+ *                              | |    supported caps <--+-- vnd_capab_flags_t |
+ *                              | |    dld cap handle <--+-- void *            |
+ *                              | |    direct tx func <--+-- vnd_dld_tx_t      |
+ *                              | |                      +---------------------+
+ *                              | |
+ *             +----------------+ +-------------+
+ *             |                                |
+ *             v                                v
+ *  +-------------------+                  +-------------------+
+ *  | Read data queue   |                  | Write data queue  |
+ *  | vnd_data_queue_t  |                  | vnd_data_queue_t  |
+ *  |                   |                  |                   |
+ *  | size_t        ----+--> Current size  | size_t        ----+--> Current size
+ *  | size_t        ----+--> Max size      | size_t        ----+--> Max size
+ *  | mblk_t *      ----+--> Queue head    | mblk_t *      ----+--> Queue head
+ *  | mblk_t *      ----+--> Queue tail    | mblk_t *      ----+--> Queue tail
+ *  +-------------------+                  +-------------------+
+ *
+ *
+ * Globally, we maintain two lists. One list contains all of the character
+ * device soft states. The other maintains a list of all our netstack soft
+ * states. Each netstack maintains a list of active devices that have been
+ * associated with a datalink in its netstack.
+ *
+ * Recall that a given minor instance of the character device exists in one of
+ * two modes. It can either be a cloned open of /dev/vnd/ctl, the control node,
+ * or it can be associated with a given datalink. When minor instances are in
+ * the former state, they do not exist in a given vnd_pnsd_t's list of devices.
+ * As part of attaching to a datalink, the given vnd_dev_t will be inserted into
+ * the appropriate vnd_pnsd_t. In addition, this will cause a STREAMS device, a
+ * vnd_str_t, to be created and associated to a vnd_dev_t.
+ *
+ * The character device, and its vnd_dev_t, is the interface to the rest of the
+ * system. The vnd_dev_t keeps track of various aspects like whether various
+ * operations, such as read, write and the frameio ioctls, are considered
+ * blocking or non-blocking in the O_NONBLOCK sense. It also is responsible for
+ * keeping track of things like the name of the device, if any, in /dev. The
+ * vnd_str_t, on the other hand manages aspects like buffer sizes and the actual
+ * data queues. However, ioctls that manipulate these properties all go through
+ * the vnd_dev_t to its associated vnd_str_t.
+ *
+ * Each of the STREAMS devices, the vnd_str_t, maintains two data queues. One
+ * for frames to transmit (write queue) and one for frames received (read
+ * queue). These data queues have a maximum size and attempting to add data
+ * beyond that maximum size will result in data being dropped. The sizes are
+ * configurable via ioctls VND_IOC_SETTXBUF, VND_IOC_SETRXBUF. Data either sits
+ * in those buffers or has a reservation in those buffers while they are in vnd
+ * and waiting to be consumed by the user or by mac.
+ *
+ * Finally, the vnd_str_t also has a vnd_str_capab_t which we use to manage the
+ * available, negotiated, and currently active features.
+ *
+ * ----------------------
+ * Data Path and gsqueues
+ * ----------------------
+ *
+ * There's a lot of plumbing in vnd to get to the point where we can send data,
+ * but vnd's bread and butter is the data path, so it's worth diving into it in
+ * more detail. Data enters and exits the system from two ends.
+ *
+ * The first end is the vnd consumer. This comes in the form of read and write
+ * system calls as well as the frame I/O ioctls. The read and write system calls
+ * operate on a single frame at a time. Think of a frame as a single message
+ * that has come in off the wire, which may itself comprise multiple mblk_t's
+ * linked together in the kernel. readv(2) and writev(2) have the same
+ * limitations as read(2) and write(2). We enforce this as the system is
+ * required to fill up every uio(9S) buffer before moving onto the next one.
+ * This means that if you have a MTU sized buffer and two frames come in which
+ * are less than half of the MTU they must fill up the given iovec. Even if we
+ * didn't want to do this, we have no way of informing the supplier of the
+ * iovecs that they were only partially filled or where one frame ends and
+ * another begins.  That's life, as such we have frame I/O which solves this
+ * problem. It allows for multiple frames to be consumed as well as for frames
+ * to be broken down into multiple vector components.
+ *
+ * The second end is the mac direct calls. As part of negotiating capabilities
+ * via dld, we give mac a function of ours to call when packets are received
+ * [vnd_mac_input()] and a callback to indicate that flow has been restored
+ * [vnd_mac_flow_control()]. In turn, we also get a function pointer that we can
+ * transmit data with. As part of the contract with mac, mac is allowed to flow
+ * control us by returning a cookie to the transmit function. When that happens,
+ * all outbound traffic is halted until our callback function is called and we
+ * can schedule drains.
+ *
+ * It's worth looking at these in further detail. We'll start with the rx path.
+ *
+ *
+ *                                |
+ *                                * . . . packets from gld
+ *                                |
+ *                                v
+ *                         +-------------+
+ *                         |     mac     |
+ *                         +-------------+
+ *                                |
+ *                                v
+ *                         +-------------+
+ *                         |     dld     |
+ *                         +-------------+
+ *                                |
+ *                                * . . . dld direct callback
+ *                                |
+ *                                v
+ *                        +---------------+
+ *                        | vnd_mac_input |
+ *                        +---------------+
+ *                                |
+ *                                v
+ * +---------+             +-------------+
+ * | dropped |<--*---------|  vnd_hooks  |
+ * |   by    |   .         +-------------+
+ * |  hooks  |   . drop probe     |
+ * +---------+     kstat bump     * . . . Do we have free
+ *                                |         buffer space?
+ *                                |
+ *                          no .  |      . yes
+ *                             .  +      .
+ *                         +---*--+------*-------+
+ *                         |                     |
+ *                         * . . drop probe      * . . recv probe
+ *                         |     kstat bump      |     kstat bump
+ *                         v                     |
+ *                      +---------+              * . . fire pollin
+ *                      | freemsg |              v
+ *                      +---------+   +-----------------------+
+ *                                    | vnd_str_t`vns_dq_read |
+ *                                    +-----------------------+
+ *                                             ^ ^
+ *                             +----------+    | |     +---------+
+ *                             | read(9E) |-->-+ +--<--| frameio |
+ *                             +----------+            +---------+
+ *
+ * The rx path is rather linear. Packets come into us from mac. We always run
+ * them through the various hooks, and if they come out of that, we inspect the
+ * read data queue. If there is not enough space for a packet, we drop it.
+ * Otherwise, we append it to the data queue, and fire read notifications
+ * targetting anyone polling or doing blocking I/O on this device. Those
+ * consumers then drain the head of the data queue.
+ *
+ * The tx path is more complicated due to mac flow control. After any call into
+ * mac, we may have to potentially suspend writes and buffer data for an
+ * arbitrary amount of time. As such, we need to carefully track the total
+ * amount of outstanding data so that we don't waste kernel memory. This is
+ * further complicated by the fact that mac will asynchronously tell us when our
+ * flow has been resumed.
+ *
+ * For data to be able to enter the system, it needs to be able to take a
+ * reservation from the write data queue. Once the reservation has been
+ * obtained, we enter the gsqueue so that we can actually append it. We use
+ * gsqueues (serialization queues) to ensure that packets are manipulated in
+ * order as we deal with the draining and appending packets. We also leverage
+ * its worker thread to help us do draining after mac has restorted our flow.
+ *
+ * The following image describes the flow:
+ *
+ * +-----------+   +--------------+       +-------------------------+   +------+
+ * | write(9E) |-->| Space in the |--*--->| gsqueue_enter_one()     |-->| Done |
+ * | frameio   |   | write queue? |  .    | +->vnd_squeue_tx_append |   +------+
+ * +-----------+   +--------------+  .    +-------------------------+
+ *                         |   ^     .
+ *                         |   |     . reserve space           from gsqueue
+ *                         |   |                                   |
+ *            queue  . . . *   |       space                       v
+ *             full        |   * . . . avail          +------------------------+
+ *                         v   |                      | vnd_squeue_tx_append() |
+ * +--------+          +------------+                 +------------------------+
+ * | EAGAIN |<--*------| Non-block? |<-+                           |
+ * +--------+   .      +------------+  |                           v
+ *              . yes             v    |     wait          +--------------+
+ *                          no . .*    * . . for           | append chain |
+ *                                +----+     space         | to outgoing  |
+ *                                                         |  mblk chain  |
+ *   from gsqueue                                          +--------------+
+ *       |                                                        |
+ *       |      +-------------------------------------------------+
+ *       |      |
+ *       |      |                            yes . . .
+ *       v      v                                    .
+ *  +-----------------------+    +--------------+    .     +------+
+ *  | vnd_squeue_tx_drain() |--->| mac blocked? |----*---->| Done |
+ *  +-----------------------+    +--------------+          +------+
+ *                                       |                     |
+ *     +---------------------------------|---------------------+
+ *     |                                 |           tx        |
+ *     |                          no . . *           queue . . *
+ *     | flow controlled .               |           empty     * . fire pollout
+ *     |                 .               v                     |   if mblk_t's
+ *   +-------------+     .      +---------------------+        |   sent
+ *   | set blocked |<----*------| vnd_squeue_tx_one() |--------^-------+
+ *   | flags       |            +---------------------+                |
+ *   +-------------+    More data       |    |      |      More data   |
+ *                      and limit       ^    v      * . .  and limit   ^
+ *                      not reached . . *    |      |      reached     |
+ *                                      +----+      |                  |
+ *                                                  v                  |
+ *   +----------+          +-------------+    +---------------------------+
+ *   | mac flow |--------->| remove mac  |--->| gsqueue_enter_one() with  |
+ *   | control  |          | block flags |    | vnd_squeue_tx_drain() and |
+ *   | callback |          +-------------+    | GSQUEUE_FILL flag, iff    |
+ *   +----------+                             | not already scheduled     |
+ *                                            +---------------------------+
+ *
+ * The final path taken for a given write(9E)/frameio ioctl depends on whether
+ * or not the vnd_dev_t is non-blocking. That controls the initial path of
+ * trying to take a reservation in write data queue. If the device is in
+ * non-blocking mode, we'll return EAGAIN when there is not enough space
+ * available, otherwise, the calling thread blocks on the data queue.
+ *
+ * Today when we call into vnd_squeue_tx_drain() we will not try to drain the
+ * entire queue, as that could be quite large and we don't want to necessarily
+ * keep the thread that's doing the drain until it's been finished. Not only
+ * could more data be coming in, but the draining thread could be a userland
+ * thread that has more work to do. We have two limits today. There is an upper
+ * bound on the total amount of data and the total number of mblk_t chains. If
+ * we hit either limit, then we will schedule another drain in the gsqueue and
+ * go from there.
+ *
+ * It's worth taking some time to describe how we interact with gsqueues. vnd
+ * has a gsqueue_set_t for itself. It's important that it has its own set, as
+ * the profile of work that vnd does is different from other sub-systems in the
+ * kernel. When we open a STREAMS device in vnd_s_open, we get a random gsqueue.
+ * Unlike TCP/IP which uses an gsqueue for per TCP connection, we end up
+ * maintaining one for a given device. Because of that, we want to use a
+ * pseudo-random one to try and spread out the load, and picking one at random
+ * is likely to be just as good as any fancy algorithm we might come up with,
+ * especially as any two devices could have radically different transmit
+ * profiles.
+ *
+ * While some of the write path may seem complicated, it does allow us to
+ * maintain an important property. Once we have acknowledged a write(9E) or
+ * frameio ioctl, we will not drop the packet, excepting something like ipf via
+ * the firewall hooks.
+ *
+ * There is one other source of flow control that can exist in the system which
+ * is in the form of a barrier. The barrier is an internal mechanism used for
+ * ensuring that an gsqueue is drained for a given device. We use this as part
+ * of tearing down. Specifically we disable the write path so nothing new can be
+ * inserted into the gsqueue and then insert a barrier block. Once the barrier
+ * block comes out of the gsqueue, then we know nothing else in the gsqueue that
+ * could refer to the vnd_str_t, being destroyed, exists.
+ *
+ * ---------------------
+ * vnd, zones, netstacks
+ * ---------------------
+ *
+ * vnd devices are scoped to datalinks and datalinks are scoped to a netstack.
+ * Because of that, vnd is also a netstack module. It registers with the
+ * netstack sub-system and receives callbacks every time a netstack is created,
+ * being shutdown, and destroyed. The netstack callbacks drive the creation and
+ * destruction of the vnd_pnsd_t structures.
+ *
+ * Recall from the earlier architecture diagrams that every vnd device is scoped
+ * to a netstack and known about by a given vnd_pnsd_t. When that netstack is
+ * torn down, we also tear down any vnd devices that are hanging around. When
+ * the netstack is torn down, we know that any zones that are scoped to that
+ * netstack are being shut down and have no processes remaining. This is going
+ * to be the case whether they are shared or exclusive stack zones. We have to
+ * perform a careful dance.
+ *
+ * There are two different callbacks that happen on tear down, the first is a
+ * shutdown callback, the second is a destroy callback. When the shutdown
+ * callback is fired we need to prepare for the netstack to go away and ensure
+ * that nothing can continue to persist itself.
+ *
+ * More specifically, when we get notice of a stack being shutdown we first
+ * remove the netstack from the global netstack list to ensure that no one new
+ * can come in and find the netstack and get a reference to it. After that, we
+ * notify the neti hooks that they're going away. Once that's all done, we get
+ * to the heart of the matter.
+ *
+ * When shutting down there could be any number of outstanding contexts that
+ * have a reference on the vnd_pnsd_t and on the individual links. However, we
+ * know that no one new will be able to find the vnd_pnsd_t. To account for
+ * things that have existing references we mark the vnd_pnsd_t`vpnd_flags with
+ * VND_NS_CONDEMNED. This is checked by code paths that wish to append a device
+ * to the netstack's list. If this is set, then they must not append to it.
+ * Once this is set, we know that the netstack's list of devices can never grow,
+ * only shrink.
+ *
+ * Next, for each device we tag it with VND_D_ZONE_DYING. This indicates that
+ * the container for the device is being destroyed and that we should not allow
+ * additional references to the device to be created, whether via open, or
+ * linking. The presence of this bit also allows things like the list ioctl and
+ * sdev to know not to consider its existence. At the conclusion of this being
+ * set, we know that no one else should be able to obtain a new reference to the
+ * device.
+ *
+ * Once that has been set for all devices, we go through and remove any existing
+ * links that have been established in sdev. Because doing that may cause the
+ * final reference for the device to be dropped, which still has a reference to
+ * the netstack, we have to restart our walk due to dropped locks. We know that
+ * this walk will eventually complete because the device cannot be relinked and
+ * no new devices will be attached in this netstack due to VND_NS_CONDEMNED.
+ * Once that's finished, the shutdown callback returns.
+ *
+ * When we reach the destroy callback, we simply wait for references on the
+ * netstack to disappear. Because the zone has been shut down, all processes in
+ * it that have open references have been terminated and reaped. Any threads
+ * that are newly trying to reference it will fail. However, there is one thing
+ * that can halt this that we have no control over, which is the global zone
+ * holding open a reference to the device. In this case the zone halt will hang
+ * in vnd_stack_destroy. Once the last references is dropped we finish destroy
+ * the netinfo hooks and free the vnd_pnsd_t.
+ *
+ * ----
+ * sdev
+ * ----
+ *
+ * vnd registers a sdev plugin which allows it to dynamically fill out /dev/vnd
+ * for both the global and non-global zones. In any given zone we always supply
+ * a control node via /dev/vnd/ctl. This is the self-cloning node. Each zone
+ * will also have an entry per-link in that zone under /dev/vnd/%datalink, eg.
+ * if a link was named net0, there would be a /dev/vnd/net0. The global zone can
+ * also see every link for every zone, ala /dev/net, under
+ * /dev/vnd/%zonename/%datalink, eg. if a zone named 'turin' had a vnd device
+ * named net0, the global zone would have /dev/vnd/turin/net0.
+ *
+ * The sdev plugin has three interfaces that it supplies back to sdev. One is to
+ * validate that a given node is still valid. The next is a callback from sdev
+ * to say that it is no longer using the node. The third and final one is from
+ * sdev where it asks us to fill a directory. All of the heavy lifting is done
+ * in directory filling and in valiation. We opt not to maintain a reference on
+ * the device while there is an sdev node present. This makes the removal of
+ * nodes much simpler and most of the possible failure modes shouldn't cause any
+ * real problems. For example, the open path has to handle both dev_t's which no
+ * longer exist and which are no longer linked.
+ *
+ * -----
+ * hooks
+ * -----
+ *
+ * Like IP, vnd sends all L3 packets through its firewall hooks. Currently vnd
+ * provides these for L3 IP and IPv6 traffic. Each netstack provides these hooks
+ * in a minimal fashion. While we will allow traffic to be filtered through the
+ * hooks, we do not provide means for packet injection or additional inspection
+ * at this time. There are a total of four different events created:
+ *
+ *   o IPv4 physical in
+ *   o IPv4 physical out
+ *   o IPv6 physical in
+ *   o IPv6 physical out
+ *
+ * ---------------
+ * Synchronization
+ * ---------------
+ *
+ * To make our synchronization simpler, we've put more effort into making the
+ * metadata/setup paths do more work. That work allows the data paths to make
+ * assumptions around synchronization that simplify the general case. Each major
+ * structure, the vnd_pnsd_t, vnd_dev_t, vnd_str_t, and vnd_data_queue_t is
+ * annotated with the protection that its members receives.  The following
+ * annotations are used:
+ *
+ * 	A	Atomics; these values are only modified using atomics values.
+ *		Currently this only applies to kstat values.
+ * 	E	Existence; no lock is needed to access this member, it does not
+ *		change while the structure is valid.
+ * 	GL	Global Lock; these members are protected by the global
+ *		vnd_dev_lock.
+ * 	L	Locked; access to the member is controlled by a lock that is in
+ * 		the structure.
+ * 	NSL	netstack lock; this member is protected by the containing
+ * 		netstack. This only applies to the vnd_dev_t`vdd_nslink.
+ *	X	This member is special, and is discussed in this section.
+ *
+ * In addition to locking, we also have reference counts on the vnd_dev_t and
+ * the vnd_pnsd_t. The reference counts describe the lifetimes of the structure.
+ * With rare exception, once a reference count is decremented, the consumer
+ * should not assume that the data is valid any more. The only exception to this
+ * is the case where we're removing an extant reference count from a link into
+ * /devices or /dev. Reference counts are obtained on these structures as a part
+ * of looking them up.
+ *
+ * 	# Global Lock Ordering
+ * 	######################
+ *
+ * The following is the order that you must take locks in vnd:
+ *
+ * 1) vnd`vnd_dev_lock
+ * 2) vnd_pnsd_t`vpnd_lock
+ * 3) vnd_dev_t`vnd_lock
+ * 4) vnd_str_t`vns_lock
+ * 5) vnd_data_queue_t`vdq_lock
+ *
+ * One must adhere to the following rules:
+ *
+ *   o You must acquire a lower numbered lock before a high numbered lock.
+ *   o It is NOT legal to hold two locks of the same level concurrently, eg. you
+ *     can not hold two different vnd_dev_t's vnd_lock at the same time.
+ *   o You may release locks in any order.
+ *   o If you release a lock, you must honor the locking rules before acquiring
+ *     it again.
+ *   o You should not hold any locks when calling any of the rele functions.
+ *
+ * 	# Special Considerations
+ * 	########################
+ *
+ * While most of the locking is what's expected, it's worth going into the
+ * special nature that a few members hold.  Today, only two structures have
+ * special considerations: the vnd_dev_t and the vnd_str_t. All members with
+ * special considerations have an additional annotation that describes how you
+ * should interact with it.
+ *
+ * vnd_dev_t: The vdd_nsd and vdd_cr are only valid when the minor node is
+ * attached or in the process of attaching. If the code path that goes through
+ * requires an attached vnd_dev_t, eg. the data path and tear down path, then it
+ * is always legal to dereference that member without a lock held. When they are
+ * added to the system, they should be done under the vdd_lock and done as part
+ * of setting the VND_D_ATTACH_INFLIGHT flag. These should not change during the
+ * lifetime of the vnd_dev_t.
+ *
+ * vnd_dev_t: The vdd_ldih is similar to the vdd_nsd and vdd_cr, except that it
+ * always exists as it is a part of the structure. The only time that it's valid
+ * to be using it is during the attach path with the VND_D_ATTACH_INFLIGHT flag
+ * set or during tear down. Outside of those paths which are naturally
+ * serialized, there is no explicit locking around the member.
+ *
+ * vnd_str_t: The vns_dev and vns_nsd work in similar ways. They are not
+ * initially set as part of creating the structure, but are set as part of
+ * responding to the association ioctl. Anything in the data path or metadata
+ * path that requires association may assume that they exist, as we do not kick
+ * off the state machine until they're set.
+ *
+ * vnd_str_t: The vns_drainblk and vns_barrierblk are similarly special. The
+ * members are designed to be used as part of various operations with the
+ * gsqueues. A lock isn't needed to use them, but to work with them, the
+ * appropriate flag in the vnd_str_t`vns_flags must have been set by the current
+ * thread. Otherwise, it is always fair game to refer to their addresses. Their
+ * contents are ignored by vnd, but some members are manipulated by the gsqueue
+ * subsystem.
+ */
+
+#include <sys/conf.h>
+#include <sys/devops.h>
+#include <sys/modctl.h>
+#include <sys/stat.h>
+#include <sys/file.h>
+#include <sys/types.h>
+#include <sys/errno.h>
+#include <sys/open.h>
+#include <sys/ddi.h>
+#include <sys/ethernet.h>
+#include <sys/stropts.h>
+#include <sys/sunddi.h>
+#include <sys/stream.h>
+#include <sys/strsun.h>
+#include <sys/ksynch.h>
+#include <sys/taskq_impl.h>
+#include <sys/sdt.h>
+#include <sys/debug.h>
+#include <sys/sysmacros.h>
+#include <sys/dlpi.h>
+#include <sys/cred.h>
+#include <sys/id_space.h>
+#include <sys/list.h>
+#include <sys/ctype.h>
+#include <sys/policy.h>
+#include <sys/sunldi.h>
+#include <sys/cred.h>
+#include <sys/strsubr.h>
+#include <sys/poll.h>
+#include <sys/neti.h>
+#include <sys/hook.h>
+#include <sys/hook_event.h>
+#include <sys/vlan.h>
+#include <sys/dld.h>
+#include <sys/mac_client.h>
+#include <sys/netstack.h>
+#include <sys/fs/sdev_plugin.h>
+#include <sys/kstat.h>
+#include <sys/atomic.h>
+#include <sys/disp.h>
+#include <sys/random.h>
+#include <sys/gsqueue.h>
+
+#include <inet/ip.h>
+#include <inet/ip6.h>
+
+#include <sys/vnd.h>
+
+/*
+ * Globals
+ */
+static dev_info_t *vnd_dip;
+static taskq_t *vnd_taskq;
+static kmem_cache_t *vnd_str_cache;
+static kmem_cache_t *vnd_dev_cache;
+static kmem_cache_t *vnd_pnsd_cache;
+static id_space_t *vnd_minors;
+static int vnd_list_init = 0;
+static sdev_plugin_hdl_t vnd_sdev_hdl;
+static gsqueue_set_t *vnd_sqset;
+
+static kmutex_t vnd_dev_lock;
+static list_t vnd_dev_list;	/* Protected by the vnd_dev_lock */
+static list_t vnd_nsd_list;	/* Protected by the vnd_dev_lock */
+
+/*
+ * STREAMs ioctls
+ *
+ * The STREAMs ioctls are internal to vnd. No one should be seeing them, as such
+ * they aren't a part of the header file.
+ */
+#define	VND_STRIOC	(('v' << 24) | ('n' << 16) | ('d' << 8) | 0x80)
+
+/*
+ * Private ioctl to associate a given streams instance with a minor instance of
+ * the character device.
+ */
+#define	VND_STRIOC_ASSOCIATE	(VND_STRIOC | 0x1)
+
+typedef struct vnd_strioc_associate {
+	minor_t	vsa_minor;	/* minor device node */
+	netstackid_t vsa_nsid;	/* netstack id */
+	vnd_errno_t vsa_errno;	/* errno */
+} vnd_strioc_associate_t;
+
+typedef enum vnd_strioc_state {
+	VSS_UNKNOWN = 0,
+	VSS_COPYIN = 1,
+	VSS_COPYOUT = 2,
+} vnd_strioc_state_t;
+
+typedef struct vnd_strioc {
+	vnd_strioc_state_t vs_state;
+	caddr_t vs_addr;
+} vnd_strioc_t;
+
+/*
+ * VND SQUEUE TAGS, start at 0x42 so we don't overlap with extent tags. Though
+ * really, overlap is at the end of the day, inevitable.
+ */
+#define	VND_SQUEUE_TAG_TX_DRAIN		0x42
+#define	VND_SQUEUE_TAG_MAC_FLOW_CONTROL	0x43
+#define	VND_SQUEUE_TAG_VND_WRITE	0x44
+#define	VND_SQUEUE_TAG_ND_FRAMEIO_WRITE	0x45
+#define	VND_SQUEUE_TAG_STRBARRIER	0x46
+
+/*
+ * vnd reserved names. These are names which are reserved by vnd and thus
+ * shouldn't be used by some external program.
+ */
+static char *vnd_reserved_names[] = {
+	"ctl",
+	"zone",
+	NULL
+};
+
+/*
+ * vnd's DTrace probe macros
+ *
+ * DTRACE_VND* are all for a stable provider. We also have an unstable internal
+ * set of probes for reference count manipulation.
+ */
+#define	DTRACE_VND3(name, type1, arg1, type2, arg2, type3, arg3) \
+    DTRACE_PROBE3(__vnd_##name, type1, arg1, type2, arg2, type3, arg3);
+
+#define	DTRACE_VND4(name, type1, arg1, type2, arg2, type3, arg3, type4, arg4) \
+    DTRACE_PROBE4(__vnd_##name, type1, arg1, type2, arg2, type3, arg3, \
+	type4, arg4);
+
+#define	DTRACE_VND5(name, type1, arg1, type2, arg2, type3, arg3,	\
+    type4, arg4, type5, arg5)						\
+    DTRACE_PROBE5(__vnd_##name, type1, arg1, type2, arg2, type3, arg3,	\
+	type4, arg4, type5, arg5);
+
+#define	DTRACE_VND_REFINC(vdp) \
+    DTRACE_PROBE2(vnd__ref__inc, vnd_dev_t *, vdp, int, vdp->vdd_ref);
+#define	DTRACE_VND_REFDEC(vdp) \
+    DTRACE_PROBE2(vnd__ref__dec, vnd_dev_t *, vdp, int, vdp->vdd_ref);
+
+
+/*
+ * Tunables
+ */
+size_t vnd_vdq_default_size = 1024 * 64;	/* 64 KB */
+size_t vnd_vdq_hard_max = 1024 * 1024 * 4;	/* 4 MB */
+
+/*
+ * These numbers are designed as per-device tunables that are applied when a new
+ * vnd device is attached. They're a rough stab at what may be a reasonable
+ * amount of work to do in one burst in an squeue.
+ */
+size_t vnd_flush_burst_size = 1520 * 10;	/* 10 1500 MTU packets */
+size_t vnd_flush_nburst = 10;			/* 10 frames */
+
+/*
+ * Constants related to our sdev plugins
+ */
+#define	VND_SDEV_NAME	"vnd"
+#define	VND_SDEV_ROOT	"/dev/vnd"
+#define	VND_SDEV_ZROOT	"/dev/vnd/zone"
+
+/*
+ * Statistic macros
+ */
+#define	VND_STAT_INC(vsp, field, val) \
+    atomic_add_64(&(vsp)->vns_ksdata.field.value.ui64, val)
+#define	VND_LATENCY_1MS		1000000
+#define	VND_LATENCY_10MS	10000000
+#define	VND_LATENCY_100MS	100000000
+#define	VND_LATENCY_1S		1000000000
+#define	VND_LATENCY_10S		10000000000
+
+/*
+ * Constants for vnd hooks
+ */
+static uint8_t vnd_bcast_addr[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
+#define	IPV4_MCAST_LEN	3
+static uint8_t vnd_ipv4_mcast[3] = { 0x01, 0x00, 0x5E };
+#define	IPV6_MCAST_LEN	2
+static uint8_t vnd_ipv6_mcast[2] = { 0x33, 0x33 };
+
+/*
+ * vnd internal data structures and types
+ */
+
+struct vnd_str;
+struct vnd_dev;
+struct vnd_pnsd;
+
+/*
+ * As part of opening the device stream we need to properly communicate with our
+ * underlying stream. This is a bit of an asynchronous dance and we need to
+ * properly work with dld to get everything set up. We have to initiate the
+ * conversation with dld and as such we keep track of our state here.
+ */
+typedef enum vnd_str_state {
+	VNS_S_INITIAL = 0,
+	VNS_S_INFO_SENT,
+	VNS_S_EXCLUSIVE_SENT,
+	VNS_S_ATTACH_SENT,
+	VNS_S_BIND_SENT,
+	VNS_S_SAP_PROMISC_SENT,
+	VNS_S_MULTI_PROMISC_SENT,
+	VNS_S_RX_ONLY_PROMISC_SENT,
+	VNS_S_CAPAB_Q_SENT,
+	VNS_S_CAPAB_E_SENT,
+	VNS_S_ONLINE,
+	VNS_S_SHUTTING_DOWN,
+	VNS_S_ZOMBIE
+} vnd_str_state_t;
+
+typedef enum vnd_str_flags {
+	VNS_F_NEED_ZONE = 0x1,
+	VNS_F_TASKQ_DISPATCHED = 0x2,
+	VNS_F_CONDEMNED = 0x4,
+	VNS_F_FLOW_CONTROLLED = 0x8,
+	VNS_F_DRAIN_SCHEDULED = 0x10,
+	VNS_F_BARRIER = 0x20,
+	VNS_F_BARRIER_DONE = 0x40
+} vnd_str_flags_t;
+
+typedef enum vnd_capab_flags {
+	VNS_C_HCKSUM = 0x1,
+	VNS_C_DLD = 0x2,
+	VNS_C_DIRECT = 0x4,
+	VNS_C_HCKSUM_BADVERS = 0x8
+} vnd_capab_flags_t;
+
+/*
+ * Definitions to interact with direct callbacks
+ */
+typedef void (*vnd_rx_t)(struct vnd_str *, mac_resource_t *, mblk_t *,
+    mac_header_info_t *);
+typedef uintptr_t vnd_mac_cookie_t;
+/* DLD Direct capability function */
+typedef int (*vnd_dld_cap_t)(void *, uint_t, void *, uint_t);
+/* DLD Direct tx function */
+typedef vnd_mac_cookie_t (*vnd_dld_tx_t)(void *, mblk_t *, uint64_t, uint16_t);
+/* DLD Direct function to set flow control callback */
+typedef void *(*vnd_dld_set_fcb_t)(void *, void (*)(void *, vnd_mac_cookie_t),
+    void *);
+/* DLD Direct function to see if flow controlled still */
+typedef int (*vnd_dld_is_fc_t)(void *, vnd_mac_cookie_t);
+
+/*
+ * The vnd_str_capab_t is always protected by the vnd_str_t it's a member of.
+ */
+typedef struct vnd_str_capab {
+	vnd_capab_flags_t vsc_flags;
+	t_uscalar_t vsc_hcksum_opts;
+	vnd_dld_cap_t vsc_capab_f;
+	void *vsc_capab_hdl;
+	vnd_dld_tx_t vsc_tx_f;
+	void *vsc_tx_hdl;
+	vnd_dld_set_fcb_t vsc_set_fcb_f;
+	void *vsc_set_fcb_hdl;
+	vnd_dld_is_fc_t vsc_is_fc_f;
+	void *vsc_is_fc_hdl;
+	vnd_mac_cookie_t vsc_fc_cookie;
+	void *vsc_tx_fc_hdl;
+} vnd_str_capab_t;
+
+/*
+ * The vnd_data_queue is a simple construct for storing a series of messages in
+ * a queue.
+ *
+ * See synchronization section of the big theory statement for member
+ * annotations.
+ */
+typedef struct vnd_data_queue {
+	struct vnd_str *vdq_vns;	/* E */
+	kmutex_t vdq_lock;
+	kcondvar_t vdq_ready;		/* Uses vdq_lock */
+	ssize_t vdq_max;		/* L */
+	ssize_t vdq_cur;		/* L */
+	mblk_t *vdq_head;		/* L */
+	mblk_t *vdq_tail;		/* L */
+} vnd_data_queue_t;
+
+typedef struct vnd_str_stat {
+	kstat_named_t	vks_rbytes;
+	kstat_named_t	vks_rpackets;
+	kstat_named_t	vks_obytes;
+	kstat_named_t	vks_opackets;
+	kstat_named_t	vks_nhookindrops;
+	kstat_named_t	vks_nhookoutdrops;
+	kstat_named_t	vks_ndlpidrops;
+	kstat_named_t	vks_ndataindrops;
+	kstat_named_t	vks_ndataoutdrops;
+	kstat_named_t	vks_tdrops;
+	kstat_named_t	vks_linkname;
+	kstat_named_t	vks_zonename;
+	kstat_named_t	vks_nmacflow;
+	kstat_named_t	vks_tmacflow;
+	kstat_named_t	vks_mac_flow_1ms;
+	kstat_named_t	vks_mac_flow_10ms;
+	kstat_named_t	vks_mac_flow_100ms;
+	kstat_named_t	vks_mac_flow_1s;
+	kstat_named_t	vks_mac_flow_10s;
+} vnd_str_stat_t;
+
+/*
+ * vnd stream structure
+ *
+ * See synchronization section of the big theory statement for member
+ * annotations.
+ */
+typedef struct vnd_str {
+	kmutex_t 	vns_lock;
+	kcondvar_t	vns_cancelcv;		/* Uses vns_lock */
+	kcondvar_t	vns_barriercv;		/* Uses vns_lock */
+	kcondvar_t	vns_stcv;		/* Uses vns_lock */
+	vnd_str_state_t	vns_state;		/* L */
+	vnd_str_state_t	vns_laststate;		/* L */
+	vnd_errno_t	vns_errno;		/* L */
+	vnd_str_flags_t	vns_flags;		/* L */
+	vnd_str_capab_t vns_caps;		/* L */
+	taskq_ent_t	vns_tqe;		/* L */
+	vnd_data_queue_t vns_dq_read;		/* E */
+	vnd_data_queue_t vns_dq_write;		/* E */
+	mblk_t		*vns_dlpi_inc;		/* L */
+	queue_t		*vns_rq;		/* E */
+	queue_t		*vns_wq;		/* E */
+	queue_t		*vns_lrq;		/* E */
+	t_uscalar_t	vns_dlpi_style;		/* L */
+	t_uscalar_t	vns_minwrite;		/* L */
+	t_uscalar_t	vns_maxwrite;		/* L */
+	hrtime_t	vns_fclatch;		/* L */
+	hrtime_t	vns_fcupdate;		/* L */
+	kstat_t		*vns_kstat;		/* E */
+	gsqueue_t	*vns_squeue;		/* E */
+	mblk_t		vns_drainblk;		/* E + X */
+	mblk_t		vns_barrierblk;		/* E + X */
+	vnd_str_stat_t	vns_ksdata;		/* A */
+	size_t		vns_nflush;		/* L */
+	size_t 		vns_bsize;		/* L */
+	struct vnd_dev	*vns_dev;		/* E + X */
+	struct vnd_pnsd	*vns_nsd;		/* E + X */
+} vnd_str_t;
+
+typedef enum vnd_dev_flags {
+	VND_D_ATTACH_INFLIGHT =	0x001,
+	VND_D_ATTACHED =	0x002,
+	VND_D_LINK_INFLIGHT =	0x004,
+	VND_D_LINKED =		0x008,
+	VND_D_CONDEMNED =	0x010,
+	VND_D_ZONE_DYING =	0x020,
+	VND_D_OPENED =		0x040
+} vnd_dev_flags_t;
+
+/*
+ * This represents the data associated with a minor device instance.
+ *
+ * See synchronization section of the big theory statement for member
+ * annotations.
+ */
+typedef struct vnd_dev {
+	kmutex_t	vdd_lock;
+	list_node_t	vdd_link;			/* GL */
+	list_node_t	vdd_nslink;			/* NSL */
+	int		vdd_ref;			/* L */
+	vnd_dev_flags_t	vdd_flags;			/* L */
+	minor_t		vdd_minor;			/* E */
+	dev_t		vdd_devid;			/* E */
+	ldi_ident_t	vdd_ldiid;			/* E */
+	ldi_handle_t	vdd_ldih;			/* X */
+	cred_t		*vdd_cr;			/* X */
+	vnd_str_t	*vdd_str;			/* L */
+	struct pollhead	vdd_ph;				/* E */
+	struct vnd_pnsd *vdd_nsd;			/* E + X */
+	char		vdd_datalink[VND_NAMELEN];	/* L */
+	char		vdd_lname[VND_NAMELEN];		/* L */
+} vnd_dev_t;
+
+typedef enum vnd_pnsd_flags {
+	VND_NS_CONDEMNED = 0x1
+} vnd_pnsd_flags_t;
+
+/*
+ * Per netstack data structure.
+ *
+ * See synchronization section of the big theory statement for member
+ * annotations.
+ */
+typedef struct vnd_pnsd {
+	list_node_t vpnd_link;	/* protected by global dev lock */
+	zoneid_t vpnd_zid;			/* E */
+	netstackid_t vpnd_nsid;			/* E */
+	boolean_t vpnd_hooked;			/* E */
+	net_handle_t vpnd_neti_v4;		/* E */
+	hook_family_t vpnd_family_v4;		/* E */
+	hook_event_t vpnd_event_in_v4;		/* E */
+	hook_event_t vpnd_event_out_v4;		/* E */
+	hook_event_token_t vpnd_token_in_v4;	/* E */
+	hook_event_token_t vpnd_token_out_v4;	/* E */
+	net_handle_t vpnd_neti_v6;		/* E */
+	hook_family_t vpnd_family_v6;		/* E */
+	hook_event_t vpnd_event_in_v6;		/* E */
+	hook_event_t vpnd_event_out_v6;		/* E */
+	hook_event_token_t vpnd_token_in_v6;	/* E */
+	hook_event_token_t vpnd_token_out_v6;	/* E */
+	kmutex_t vpnd_lock;		/* Protects remaining members */
+	kcondvar_t vpnd_ref_change;		/* Uses vpnd_lock */
+	int vpnd_ref;				/* L */
+	vnd_pnsd_flags_t vpnd_flags;		/* L */
+	list_t vpnd_dev_list;			/* L */
+} vnd_pnsd_t;
+
+static void vnd_squeue_tx_drain(void *, mblk_t *, gsqueue_t *, void *);
+
+/*
+ * Drop function signature.
+ */
+typedef void (*vnd_dropper_f)(vnd_str_t *, mblk_t *, const char *);
+
+static void
+vnd_drop_ctl(vnd_str_t *vsp, mblk_t *mp, const char *reason)
+{
+	DTRACE_VND4(drop__ctl, mblk_t *, mp, vnd_str_t *, vsp, mblk_t *,
+	    mp, const char *, reason);
+	if (mp != NULL) {
+		freemsg(mp);
+	}
+	VND_STAT_INC(vsp, vks_ndlpidrops, 1);
+	VND_STAT_INC(vsp, vks_tdrops, 1);
+}
+
+static void
+vnd_drop_in(vnd_str_t *vsp, mblk_t *mp, const char *reason)
+{
+	DTRACE_VND4(drop__in, mblk_t *, mp, vnd_str_t *, vsp, mblk_t *,
+	    mp, const char *, reason);
+	if (mp != NULL) {
+		freemsg(mp);
+	}
+	VND_STAT_INC(vsp, vks_ndataindrops, 1);
+	VND_STAT_INC(vsp, vks_tdrops, 1);
+}
+
+static void
+vnd_drop_out(vnd_str_t *vsp, mblk_t *mp, const char *reason)
+{
+	DTRACE_VND4(drop__out, mblk_t *, mp, vnd_str_t *, vsp, mblk_t *,
+	    mp, const char *, reason);
+	if (mp != NULL) {
+		freemsg(mp);
+	}
+	VND_STAT_INC(vsp, vks_ndataoutdrops, 1);
+	VND_STAT_INC(vsp, vks_tdrops, 1);
+}
+
+static void
+vnd_drop_hook_in(vnd_str_t *vsp, mblk_t *mp, const char *reason)
+{
+	DTRACE_VND4(drop__in, mblk_t *, mp, vnd_str_t *, vsp, mblk_t *,
+	    mp, const char *, reason);
+	if (mp != NULL) {
+		freemsg(mp);
+	}
+	VND_STAT_INC(vsp, vks_nhookindrops, 1);
+	VND_STAT_INC(vsp, vks_tdrops, 1);
+}
+
+static void
+vnd_drop_hook_out(vnd_str_t *vsp, mblk_t *mp, const char *reason)
+{
+	DTRACE_VND4(drop__out, mblk_t *, mp, vnd_str_t *, vsp, mblk_t *,
+	    mp, const char *, reason);
+	if (mp != NULL) {
+		freemsg(mp);
+	}
+	VND_STAT_INC(vsp, vks_nhookoutdrops, 1);
+	VND_STAT_INC(vsp, vks_tdrops, 1);
+}
+
+static void
+vnd_drop_panic(vnd_str_t *vsp, mblk_t *mp, const char *reason)
+{
+	panic("illegal vnd drop");
+}
+
+static void
+vnd_mac_drop_input(vnd_str_t *vsp, mac_resource_t *unused, mblk_t *mp_chain,
+    mac_header_info_t *mhip)
+{
+	mblk_t *mp;
+
+	while (mp_chain != NULL) {
+		mp = mp_chain;
+		mp_chain = mp->b_next;
+		vnd_drop_hook_in(vsp, mp, "stream not associated");
+	}
+}
+
+static vnd_pnsd_t *
+vnd_nsd_lookup(netstackid_t nsid)
+{
+	vnd_pnsd_t *nsp;
+
+	mutex_enter(&vnd_dev_lock);
+	for (nsp = list_head(&vnd_nsd_list); nsp != NULL;
+	    nsp = list_next(&vnd_nsd_list, nsp)) {
+		if (nsp->vpnd_nsid == nsid) {
+			mutex_enter(&nsp->vpnd_lock);
+			VERIFY(nsp->vpnd_ref >= 0);
+			nsp->vpnd_ref++;
+			mutex_exit(&nsp->vpnd_lock);
+			break;
+		}
+	}
+	mutex_exit(&vnd_dev_lock);
+	return (nsp);
+}
+
+static vnd_pnsd_t *
+vnd_nsd_lookup_by_zid(zoneid_t zid)
+{
+	netstack_t *ns;
+	vnd_pnsd_t *nsp;
+	ns = netstack_find_by_zoneid(zid);
+	if (ns == NULL)
+		return (NULL);
+	nsp = vnd_nsd_lookup(ns->netstack_stackid);
+	netstack_rele(ns);
+	return (nsp);
+}
+
+static vnd_pnsd_t *
+vnd_nsd_lookup_by_zonename(char *zname)
+{
+	zone_t *zonep;
+	vnd_pnsd_t *nsp;
+
+	zonep = zone_find_by_name(zname);
+	if (zonep == NULL)
+		return (NULL);
+
+	nsp = vnd_nsd_lookup_by_zid(zonep->zone_id);
+	zone_rele(zonep);
+	return (nsp);
+}
+
+static void
+vnd_nsd_ref(vnd_pnsd_t *nsp)
+{
+	mutex_enter(&nsp->vpnd_lock);
+	/*
+	 * This can only be used on something that has been obtained through
+	 * some other means. As such, the caller should already have a reference
+	 * before adding another one. This function should not be used as a
+	 * means of creating the initial reference.
+	 */
+	VERIFY(nsp->vpnd_ref > 0);
+	nsp->vpnd_ref++;
+	mutex_exit(&nsp->vpnd_lock);
+	cv_broadcast(&nsp->vpnd_ref_change);
+}
+
+static void
+vnd_nsd_rele(vnd_pnsd_t *nsp)
+{
+	mutex_enter(&nsp->vpnd_lock);
+	VERIFY(nsp->vpnd_ref > 0);
+	nsp->vpnd_ref--;
+	mutex_exit(&nsp->vpnd_lock);
+	cv_broadcast(&nsp->vpnd_ref_change);
+}
+
+static vnd_dev_t *
+vnd_dev_lookup(minor_t m)
+{
+	vnd_dev_t *vdp;
+	mutex_enter(&vnd_dev_lock);
+	for (vdp = list_head(&vnd_dev_list); vdp != NULL;
+	    vdp = list_next(&vnd_dev_list, vdp)) {
+		if (vdp->vdd_minor == m) {
+			mutex_enter(&vdp->vdd_lock);
+			VERIFY(vdp->vdd_ref > 0);
+			vdp->vdd_ref++;
+			DTRACE_VND_REFINC(vdp);
+			mutex_exit(&vdp->vdd_lock);
+			break;
+		}
+	}
+	mutex_exit(&vnd_dev_lock);
+	return (vdp);
+}
+
+static void
+vnd_dev_free(vnd_dev_t *vdp)
+{
+	/*
+	 * When the STREAM exists we need to go through and make sure
+	 * communication gets torn down. As part of closing the stream, we
+	 * guarantee that nothing else should be able to enter the stream layer
+	 * at this point. That means no one should be able to call
+	 * read(),write() or one of the frameio ioctls.
+	 */
+	if (vdp->vdd_flags & VND_D_ATTACHED) {
+		ldi_close(vdp->vdd_ldih, FREAD | FWRITE, vdp->vdd_cr);
+		crfree(vdp->vdd_cr);
+		vdp->vdd_cr = NULL;
+
+		/*
+		 * We have to remove ourselves from our parents list now. It is
+		 * really quite important that we have already set the condemend
+		 * flag here so that our containing netstack basically knows
+		 * that we're on the way down and knows not to wait for us. It's
+		 * also important that we do that before we put a rele on the
+		 * the device as that is the point at which it will check again.
+		 */
+		mutex_enter(&vdp->vdd_nsd->vpnd_lock);
+		list_remove(&vdp->vdd_nsd->vpnd_dev_list, vdp);
+		mutex_exit(&vdp->vdd_nsd->vpnd_lock);
+		vnd_nsd_rele(vdp->vdd_nsd);
+		vdp->vdd_nsd = NULL;
+	}
+	ASSERT(vdp->vdd_flags & VND_D_CONDEMNED);
+	id_free(vnd_minors, vdp->vdd_minor);
+	mutex_destroy(&vdp->vdd_lock);
+	kmem_cache_free(vnd_dev_cache, vdp);
+}
+
+static void
+vnd_dev_ref(vnd_dev_t *vdp)
+{
+	mutex_enter(&vdp->vdd_lock);
+	VERIFY(vdp->vdd_ref > 0);
+	vdp->vdd_ref++;
+	DTRACE_VND_REFINC(vdp);
+	mutex_exit(&vdp->vdd_lock);
+}
+
+/*
+ * As part of releasing the hold on this we may tear down a given vnd_dev_t As
+ * such we need to make sure that we grab the list lock first before grabbing
+ * the vnd_dev_t's lock to ensure proper lock ordering.
+ */
+static void
+vnd_dev_rele(vnd_dev_t *vdp)
+{
+	mutex_enter(&vnd_dev_lock);
+	mutex_enter(&vdp->vdd_lock);
+	VERIFY(vdp->vdd_ref > 0);
+	vdp->vdd_ref--;
+	DTRACE_VND_REFDEC(vdp);
+	if (vdp->vdd_ref > 0) {
+		mutex_exit(&vdp->vdd_lock);
+		mutex_exit(&vnd_dev_lock);
+		return;
+	}
+
+	/*
+	 * Now that we've removed this from the list, we can go ahead and
+	 * drop the list lock. No one else can find this device and reference
+	 * it. As its reference count is zero, it by definition does not have
+	 * any remaining entries in /devices that could lead someone back to
+	 * this.
+	 */
+	vdp->vdd_flags |= VND_D_CONDEMNED;
+	list_remove(&vnd_dev_list, vdp);
+	mutex_exit(&vdp->vdd_lock);
+	mutex_exit(&vnd_dev_lock);
+
+	vnd_dev_free(vdp);
+}
+
+/*
+ * Insert a mesage block chain if there's space, otherwise drop it. Return one
+ * so someone who was waiting for data would now end up having found it. eg.
+ * caller should consider a broadcast.
+ */
+static int
+vnd_dq_push(vnd_data_queue_t *vqp, mblk_t *mp, boolean_t reserved,
+    vnd_dropper_f dropf)
+{
+	size_t msize;
+
+	ASSERT(MUTEX_HELD(&vqp->vdq_lock));
+	if (reserved == B_FALSE) {
+		msize = msgsize(mp);
+		if (vqp->vdq_cur + msize > vqp->vdq_max) {
+			dropf(vqp->vdq_vns, mp, "buffer full");
+			return (0);
+		}
+		vqp->vdq_cur += msize;
+	}
+
+	if (vqp->vdq_head == NULL) {
+		ASSERT(vqp->vdq_tail == NULL);
+		vqp->vdq_head = mp;
+		vqp->vdq_tail = mp;
+	} else {
+		vqp->vdq_tail->b_next = mp;
+		vqp->vdq_tail = mp;
+	}
+
+	return (1);
+}
+
+/*
+ * Remove a message message block chain. If the amount of space in the buffer
+ * has changed we return 1. We have no way of knowing whether or not there is
+ * enough space overall for a given writer who is blocked, so we always end up
+ * having to return true and thus tell consumers that they should consider
+ * signalling.
+ */
+static int
+vnd_dq_pop(vnd_data_queue_t *vqp, mblk_t **mpp)
+{
+	size_t msize;
+	mblk_t *mp;
+
+	ASSERT(MUTEX_HELD(&vqp->vdq_lock));
+	ASSERT(mpp != NULL);
+	if (vqp->vdq_head == NULL) {
+		ASSERT(vqp->vdq_tail == NULL);
+		*mpp = NULL;
+		return (0);
+	}
+
+	mp = vqp->vdq_head;
+	msize = msgsize(mp);
+
+	vqp->vdq_cur -= msize;
+	if (mp->b_next == NULL) {
+		vqp->vdq_head = NULL;
+		vqp->vdq_tail = NULL;
+		/*
+		 * We can't be certain that this is always going to be zero.
+		 * Someone may have basically taken a reservation of space on
+		 * the data queue, eg. claimed spae but not yet pushed it on
+		 * yet.
+		 */
+		ASSERT(vqp->vdq_cur >= 0);
+	} else {
+		vqp->vdq_head = mp->b_next;
+		ASSERT(vqp->vdq_cur > 0);
+	}
+	mp->b_next = NULL;
+	*mpp = mp;
+	return (1);
+}
+
+/*
+ * Reserve space in the queue. This will bump up the size of the queue and
+ * entitle the user to push something on later without bumping the space.
+ */
+static int
+vnd_dq_reserve(vnd_data_queue_t *vqp, ssize_t size)
+{
+	ASSERT(MUTEX_HELD(&vqp->vdq_lock));
+	ASSERT(size >= 0);
+
+	if (size == 0)
+		return (0);
+
+	if (size + vqp->vdq_cur > vqp->vdq_max)
+		return (0);
+
+	vqp->vdq_cur += size;
+	return (1);
+}
+
+static void
+vnd_dq_unreserve(vnd_data_queue_t *vqp, ssize_t size)
+{
+	ASSERT(MUTEX_HELD(&vqp->vdq_lock));
+	ASSERT(size > 0);
+	ASSERT(size <= vqp->vdq_cur);
+
+	vqp->vdq_cur -= size;
+}
+
+static void
+vnd_dq_flush(vnd_data_queue_t *vqp, vnd_dropper_f dropf)
+{
+	mblk_t *mp, *next;
+
+	mutex_enter(&vqp->vdq_lock);
+	for (mp = vqp->vdq_head; mp != NULL; mp = next) {
+		next = mp->b_next;
+		mp->b_next = NULL;
+		dropf(vqp->vdq_vns, mp, "vnd_dq_flush");
+	}
+	vqp->vdq_cur = 0;
+	vqp->vdq_head = NULL;
+	vqp->vdq_tail = NULL;
+	mutex_exit(&vqp->vdq_lock);
+}
+
+static boolean_t
+vnd_dq_is_empty(vnd_data_queue_t *vqp)
+{
+	boolean_t ret;
+
+	mutex_enter(&vqp->vdq_lock);
+	if (vqp->vdq_head == NULL)
+		ret = B_TRUE;
+	else
+		ret = B_FALSE;
+	mutex_exit(&vqp->vdq_lock);
+
+	return (ret);
+}
+
+/*
+ * Get a network uint16_t from the message and translate it into something the
+ * host understands.
+ */
+static int
+vnd_mbc_getu16(mblk_t *mp, off_t off, uint16_t *out)
+{
+	size_t mpsize;
+	uint8_t *bp;
+
+	mpsize = msgsize(mp);
+	/* Check for overflow */
+	if (off + sizeof (uint16_t) > mpsize)
+		return (1);
+
+	mpsize = MBLKL(mp);
+	while (off >= mpsize) {
+		mp = mp->b_cont;
+		off -= mpsize;
+		mpsize = MBLKL(mp);
+	}
+
+	/*
+	 * Data is in network order. Note the second byte of data might be in
+	 * the next mp.
+	 */
+	bp = mp->b_rptr + off;
+	*out = *bp << 8;
+	if (off + 1 == mpsize) {
+		mp = mp->b_cont;
+		bp = mp->b_rptr;
+	} else {
+		bp++;
+	}
+
+	*out |= *bp;
+	return (0);
+}
+
+/*
+ * Given an mblk chain find the mblk and address of a particular offset.
+ */
+static int
+vnd_mbc_getoffset(mblk_t *mp, off_t off, mblk_t **mpp, uintptr_t *offp)
+{
+	size_t mpsize;
+
+	if (off >= msgsize(mp))
+		return (1);
+
+	mpsize = MBLKL(mp);
+	while (off >= mpsize) {
+		mp = mp->b_cont;
+		off -= mpsize;
+		mpsize = MBLKL(mp);
+	}
+	*mpp = mp;
+	*offp = (uintptr_t)mp->b_rptr + off;
+
+	return (0);
+}
+
+/*
+ * Fetch the destination mac address. Set *dstp to that mac address. If the data
+ * is not contiguous in the first mblk_t, fill in datap and set *dstp to it.
+ */
+static int
+vnd_mbc_getdstmac(mblk_t *mp, uint8_t **dstpp, uint8_t *datap)
+{
+	int i;
+
+	if (MBLKL(mp) >= ETHERADDRL) {
+		*dstpp = mp->b_rptr;
+		return (0);
+	}
+
+	*dstpp = datap;
+	for (i = 0; i < ETHERADDRL; i += 2, datap += 2) {
+		if (vnd_mbc_getu16(mp, i, (uint16_t *)datap) != 0)
+			return (1);
+	}
+
+	return (0);
+}
+
+static int
+vnd_hook(vnd_str_t *vsp, mblk_t **mpp, net_handle_t netiv4, hook_event_t hev4,
+    hook_event_token_t hetv4, net_handle_t netiv6, hook_event_t hev6,
+    hook_event_token_t hetv6, vnd_dropper_f hdrop, vnd_dropper_f ddrop)
+{
+	uint16_t etype;
+	int vlan = 0;
+	hook_pkt_event_t info;
+	size_t offset, mblen;
+	uint8_t *dstp;
+	uint8_t dstaddr[6];
+	hook_event_t he;
+	hook_event_token_t het;
+	net_handle_t neti;
+
+	/*
+	 * Before we can ask if we're interested we have to do enough work to
+	 * determine the ethertype.
+	 */
+
+	/* Byte 12 is either the VLAN tag or the ethertype */
+	if (vnd_mbc_getu16(*mpp, 12, &etype) != 0) {
+		ddrop(vsp, *mpp, "packet has incomplete ethernet header");
+		*mpp = NULL;
+		return (1);
+	}
+
+	if (etype == ETHERTYPE_VLAN) {
+		vlan = 1;
+		/* Actual ethertype is another four bytes in */
+		if (vnd_mbc_getu16(*mpp, 16, &etype) != 0) {
+			ddrop(vsp, *mpp,
+			    "packet has incomplete ethernet vlan header");
+			*mpp = NULL;
+			return (1);
+		}
+		offset = sizeof (struct ether_vlan_header);
+	} else {
+		offset = sizeof (struct ether_header);
+	}
+
+	/*
+	 * At the moment we only hook on the kinds of things that the IP module
+	 * would normally.
+	 */
+	if (etype != ETHERTYPE_IP && etype != ETHERTYPE_IPV6)
+		return (0);
+
+	if (etype == ETHERTYPE_IP) {
+		neti = netiv4;
+		he = hev4;
+		het = hetv4;
+	} else {
+		neti = netiv6;
+		he = hev6;
+		het = hetv6;
+	}
+
+	if (!he.he_interested)
+		return (0);
+
+
+	if (vnd_mbc_getdstmac(*mpp, &dstp, dstaddr) != 0) {
+		ddrop(vsp, *mpp, "packet has incomplete ethernet header");
+		*mpp = NULL;
+		return (1);
+	}
+
+	/*
+	 * Now that we know we're interested, we have to do some additional
+	 * sanity checking for IPF's sake, ala ip_check_length(). Specifically
+	 * we need to check to make sure that the remaining packet size,
+	 * excluding MAC, is at least the size of an IP header.
+	 */
+	mblen = msgsize(*mpp);
+	if ((etype == ETHERTYPE_IP &&
+	    mblen - offset < IP_SIMPLE_HDR_LENGTH) ||
+	    (etype == ETHERTYPE_IPV6 && mblen - offset < IPV6_HDR_LEN)) {
+		ddrop(vsp, *mpp, "packet has invalid IP header");
+		*mpp = NULL;
+		return (1);
+	}
+
+	info.hpe_protocol = neti;
+	info.hpe_ifp = (phy_if_t)vsp;
+	info.hpe_ofp = (phy_if_t)vsp;
+	info.hpe_mp = mpp;
+	info.hpe_flags = 0;
+
+	if (bcmp(vnd_bcast_addr, dstp, ETHERADDRL) == 0)
+		info.hpe_flags |= HPE_BROADCAST;
+	else if (etype == ETHERTYPE_IP &&
+	    bcmp(vnd_ipv4_mcast, vnd_bcast_addr, IPV4_MCAST_LEN) == 0)
+		info.hpe_flags |= HPE_MULTICAST;
+	else if (etype == ETHERTYPE_IPV6 &&
+	    bcmp(vnd_ipv6_mcast, vnd_bcast_addr, IPV6_MCAST_LEN) == 0)
+		info.hpe_flags |= HPE_MULTICAST;
+
+	if (vnd_mbc_getoffset(*mpp, offset, &info.hpe_mb,
+	    (uintptr_t *)&info.hpe_hdr) != 0) {
+		ddrop(vsp, *mpp, "packet too small -- "
+		    "unable to find payload");
+		*mpp = NULL;
+		return (1);
+	}
+
+	if (hook_run(neti->netd_hooks, het, (hook_data_t)&info) != 0) {
+		hdrop(vsp, *mpp, "drooped by hooks");
+		return (1);
+	}
+
+	return (0);
+}
+
+/*
+ * This should not be used for DL_INFO_REQ.
+ */
+static mblk_t *
+vnd_dlpi_alloc(size_t len, t_uscalar_t prim)
+{
+	mblk_t *mp;
+	mp = allocb(len, BPRI_MED);
+	if (mp == NULL)
+		return (NULL);
+
+	mp->b_datap->db_type = M_PROTO;
+	mp->b_wptr = mp->b_rptr + len;
+	bzero(mp->b_rptr, len);
+	((dl_unitdata_req_t *)mp->b_rptr)->dl_primitive = prim;
+
+	return (mp);
+}
+
+static void
+vnd_dlpi_inc_push(vnd_str_t *vsp, mblk_t *mp)
+{
+	mblk_t **mpp;
+
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+	ASSERT(mp->b_next == NULL);
+	mpp = &vsp->vns_dlpi_inc;
+	while (*mpp != NULL)
+		mpp = &((*mpp)->b_next);
+	*mpp = mp;
+}
+
+static mblk_t *
+vnd_dlpi_inc_pop(vnd_str_t *vsp)
+{
+	mblk_t *mp;
+
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+	mp = vsp->vns_dlpi_inc;
+	if (mp != NULL) {
+		VERIFY(mp->b_next == NULL || mp->b_next != mp);
+		vsp->vns_dlpi_inc = mp->b_next;
+		mp->b_next = NULL;
+	}
+	return (mp);
+}
+
+static int
+vnd_st_sinfo(vnd_str_t *vsp)
+{
+	mblk_t *mp;
+	dl_info_req_t *dlir;
+
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+	mp = allocb(MAX(sizeof (dl_info_req_t), sizeof (dl_info_ack_t)),
+	    BPRI_HI);
+	if (mp == NULL) {
+		vsp->vns_errno = VND_E_NOMEM;
+		return (1);
+	}
+	vsp->vns_state = VNS_S_INFO_SENT;
+	cv_broadcast(&vsp->vns_stcv);
+
+	mp->b_datap->db_type = M_PCPROTO;
+	dlir = (dl_info_req_t *)mp->b_rptr;
+	mp->b_wptr = (uchar_t *)&dlir[1];
+	dlir->dl_primitive = DL_INFO_REQ;
+	putnext(vsp->vns_wq, mp);
+
+	return (0);
+}
+
+static int
+vnd_st_info(vnd_str_t *vsp)
+{
+	dl_info_ack_t *dlia;
+	mblk_t *mp;
+
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+	mp = vnd_dlpi_inc_pop(vsp);
+	dlia = (dl_info_ack_t *)mp->b_rptr;
+	vsp->vns_dlpi_style = dlia->dl_provider_style;
+	vsp->vns_minwrite = dlia->dl_min_sdu;
+	vsp->vns_maxwrite = dlia->dl_max_sdu;
+
+	/*
+	 * At this time we only support DL_ETHER devices.
+	 */
+	if (dlia->dl_mac_type != DL_ETHER) {
+		freemsg(mp);
+		vsp->vns_errno = VND_E_NOTETHER;
+		return (1);
+	}
+
+	/*
+	 * Because vnd operates on entire packets, we need to manually account
+	 * for the ethernet header information. We add the size of the
+	 * ether_vlan_header to account for this, regardless if it is using
+	 * vlans or not.
+	 */
+	vsp->vns_maxwrite += sizeof (struct ether_vlan_header);
+
+	freemsg(mp);
+	return (0);
+}
+
+static int
+vnd_st_sexclusive(vnd_str_t *vsp)
+{
+	mblk_t *mp;
+
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+	mp = vnd_dlpi_alloc(sizeof (dl_attach_req_t), DL_EXCLUSIVE_REQ);
+	if (mp == NULL) {
+		vsp->vns_errno = VND_E_NOMEM;
+		return (1);
+	}
+
+	vsp->vns_state = VNS_S_EXCLUSIVE_SENT;
+	cv_broadcast(&vsp->vns_stcv);
+	putnext(vsp->vns_wq, mp);
+	return (0);
+}
+
+static int
+vnd_st_exclusive(vnd_str_t *vsp)
+{
+	mblk_t *mp;
+	t_uscalar_t prim, cprim;
+
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+	mp = vnd_dlpi_inc_pop(vsp);
+	prim = ((dl_error_ack_t *)mp->b_rptr)->dl_primitive;
+	cprim = ((dl_ok_ack_t *)mp->b_rptr)->dl_correct_primitive;
+
+	if (prim != DL_OK_ACK && prim != DL_ERROR_ACK) {
+		vnd_drop_ctl(vsp, mp,
+		    "wrong dlpi primitive for vnd_st_exclusive");
+		vsp->vns_errno = VND_E_DLPIINVAL;
+		return (1);
+	}
+
+	if (cprim != DL_EXCLUSIVE_REQ) {
+		vnd_drop_ctl(vsp, mp,
+		    "vnd_st_exclusive: got ack/nack for wrong primitive");
+		vsp->vns_errno = VND_E_DLPIINVAL;
+		return (1);
+	}
+
+	if (prim == DL_ERROR_ACK)
+		vsp->vns_errno = VND_E_DLEXCL;
+
+	freemsg(mp);
+	return (prim == DL_ERROR_ACK);
+}
+
+/*
+ * Send down a DLPI_ATTACH_REQ.
+ */
+static int
+vnd_st_sattach(vnd_str_t *vsp)
+{
+	mblk_t *mp;
+
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+	mp = vnd_dlpi_alloc(sizeof (dl_attach_req_t), DL_ATTACH_REQ);
+	if (mp == NULL) {
+		vsp->vns_errno = VND_E_NOMEM;
+		return (1);
+	}
+
+	((dl_attach_req_t *)mp->b_rptr)->dl_ppa = 0;
+	vsp->vns_state = VNS_S_ATTACH_SENT;
+	cv_broadcast(&vsp->vns_stcv);
+	putnext(vsp->vns_wq, mp);
+
+	return (0);
+}
+
+static int
+vnd_st_attach(vnd_str_t *vsp)
+{
+	mblk_t *mp;
+	t_uscalar_t prim, cprim;
+
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+	mp = vnd_dlpi_inc_pop(vsp);
+	prim = ((dl_ok_ack_t *)mp->b_rptr)->dl_primitive;
+	cprim = ((dl_ok_ack_t *)mp->b_rptr)->dl_correct_primitive;
+
+
+	if (prim != DL_OK_ACK && prim != DL_ERROR_ACK) {
+		vnd_drop_ctl(vsp, mp, "vnd_st_attach: unknown primitive type");
+		vsp->vns_errno = VND_E_DLPIINVAL;
+		return (1);
+	}
+
+	if (cprim != DL_ATTACH_REQ) {
+		vnd_drop_ctl(vsp, mp,
+		    "vnd_st_attach: Got ack/nack for wrong primitive");
+		vsp->vns_errno = VND_E_DLPIINVAL;
+		return (1);
+	}
+
+	if (prim == DL_ERROR_ACK)
+		vsp->vns_errno = VND_E_ATTACHFAIL;
+
+	freemsg(mp);
+	return (prim == DL_ERROR_ACK);
+}
+
+static int
+vnd_st_sbind(vnd_str_t *vsp)
+{
+	mblk_t *mp;
+	dl_bind_req_t *dbrp;
+
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+	mp = vnd_dlpi_alloc(sizeof (dl_bind_req_t) + sizeof (long),
+	    DL_BIND_REQ);
+	if (mp == NULL) {
+		vsp->vns_errno = VND_E_NOMEM;
+		return (1);
+	}
+	dbrp = (dl_bind_req_t *)(mp->b_rptr);
+	dbrp->dl_sap = 0;
+	dbrp->dl_service_mode = DL_CLDLS;
+
+	vsp->vns_state = VNS_S_BIND_SENT;
+	cv_broadcast(&vsp->vns_stcv);
+	putnext(vsp->vns_wq, mp);
+
+	return (0);
+}
+
+static int
+vnd_st_bind(vnd_str_t *vsp)
+{
+	mblk_t *mp;
+	t_uscalar_t prim;
+
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+	mp = vnd_dlpi_inc_pop(vsp);
+	prim = ((dl_error_ack_t *)mp->b_rptr)->dl_primitive;
+
+	if (prim != DL_BIND_ACK && prim != DL_ERROR_ACK) {
+		vnd_drop_ctl(vsp, mp, "wrong dlpi primitive for vnd_st_bind");
+		vsp->vns_errno = VND_E_DLPIINVAL;
+		return (1);
+	}
+
+	if (prim == DL_ERROR_ACK)
+		vsp->vns_errno = VND_E_BINDFAIL;
+
+	freemsg(mp);
+	return (prim == DL_ERROR_ACK);
+}
+
+static int
+vnd_st_spromisc(vnd_str_t *vsp, int type, vnd_str_state_t next)
+{
+	mblk_t *mp;
+	dl_promiscon_req_t *dprp;
+
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+	mp = vnd_dlpi_alloc(sizeof (dl_promiscon_req_t), DL_PROMISCON_REQ);
+	if (mp == NULL) {
+		vsp->vns_errno = VND_E_NOMEM;
+		return (1);
+	}
+
+	dprp = (dl_promiscon_req_t *)mp->b_rptr;
+	dprp->dl_level = type;
+
+	vsp->vns_state = next;
+	cv_broadcast(&vsp->vns_stcv);
+	putnext(vsp->vns_wq, mp);
+
+	return (0);
+}
+
+static int
+vnd_st_promisc(vnd_str_t *vsp)
+{
+	mblk_t *mp;
+	t_uscalar_t prim, cprim;
+
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+	mp = vnd_dlpi_inc_pop(vsp);
+	prim = ((dl_ok_ack_t *)mp->b_rptr)->dl_primitive;
+	cprim = ((dl_ok_ack_t *)mp->b_rptr)->dl_correct_primitive;
+
+	if (prim != DL_OK_ACK && prim != DL_ERROR_ACK) {
+		vnd_drop_ctl(vsp, mp,
+		    "wrong dlpi primitive for vnd_st_promisc");
+		vsp->vns_errno = VND_E_DLPIINVAL;
+		return (1);
+	}
+
+	if (cprim != DL_PROMISCON_REQ) {
+		vnd_drop_ctl(vsp, mp,
+		    "vnd_st_promisc: Got ack/nack for wrong primitive");
+		vsp->vns_errno = VND_E_DLPIINVAL;
+		return (1);
+	}
+
+	if (prim == DL_ERROR_ACK)
+		vsp->vns_errno = VND_E_PROMISCFAIL;
+
+	freemsg(mp);
+	return (prim == DL_ERROR_ACK);
+}
+
+static int
+vnd_st_scapabq(vnd_str_t *vsp)
+{
+	mblk_t *mp;
+
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+
+	mp = vnd_dlpi_alloc(sizeof (dl_capability_req_t), DL_CAPABILITY_REQ);
+	if (mp == NULL) {
+		vsp->vns_errno = VND_E_NOMEM;
+		return (1);
+	}
+
+	vsp->vns_state = VNS_S_CAPAB_Q_SENT;
+	cv_broadcast(&vsp->vns_stcv);
+	putnext(vsp->vns_wq, mp);
+
+	return (0);
+}
+
+static void
+vnd_mac_input(vnd_str_t *vsp, mac_resource_t *unused, mblk_t *mp_chain,
+    mac_header_info_t *mhip)
+{
+	int signal = 0;
+	mblk_t *mp;
+	vnd_pnsd_t *nsp = vsp->vns_nsd;
+
+	ASSERT(vsp != NULL);
+	ASSERT(mp_chain != NULL);
+
+	for (mp = mp_chain; mp != NULL; mp = mp_chain) {
+		uint16_t vid;
+		mp_chain = mp->b_next;
+		mp->b_next = NULL;
+
+		/*
+		 * If we were operating in a traditional dlpi context then we
+		 * would have enabled DLIOCRAW and rather than the fast path we
+		 * would come through dld_str_rx_raw. That function does two
+		 * things that we have to consider doing ourselves. The first is
+		 * that it adjusts the b_rptr back to account for dld bumping us
+		 * past the mac header. It also tries to account for cases where
+		 * mac provides an illusion of the mac header. Fortunately, dld
+		 * only allows the fastpath when the media type is the same as
+		 * the native type. Therefore all we have to do here is adjust
+		 * the b_rptr.
+		 */
+		ASSERT(mp->b_rptr >= DB_BASE(mp) + mhip->mhi_hdrsize);
+		mp->b_rptr -= mhip->mhi_hdrsize;
+		vid = VLAN_ID(mhip->mhi_tci);
+		if (mhip->mhi_istagged && vid != VLAN_ID_NONE) {
+			bcopy(mp->b_rptr, mp->b_rptr + 4, 12);
+			mp->b_rptr += 4;
+		}
+
+		if (nsp->vpnd_hooked && vnd_hook(vsp, &mp, nsp->vpnd_neti_v4,
+		    nsp->vpnd_event_in_v4, nsp->vpnd_token_in_v4,
+		    nsp->vpnd_neti_v6, nsp->vpnd_event_in_v6,
+		    nsp->vpnd_token_in_v6, vnd_drop_hook_in, vnd_drop_in) != 0)
+			continue;
+
+		VND_STAT_INC(vsp, vks_rpackets, 1);
+		VND_STAT_INC(vsp, vks_rbytes, msgsize(mp));
+		DTRACE_VND5(recv, mblk_t *, mp, void *, NULL, void *, NULL,
+		    vnd_str_t *, vsp, mblk_t *, mp);
+		mutex_enter(&vsp->vns_dq_read.vdq_lock);
+		signal |= vnd_dq_push(&vsp->vns_dq_read, mp, B_FALSE,
+		    vnd_drop_in);
+		mutex_exit(&vsp->vns_dq_read.vdq_lock);
+
+	}
+
+	if (signal != 0) {
+		cv_broadcast(&vsp->vns_dq_read.vdq_ready);
+		pollwakeup(&vsp->vns_dev->vdd_ph, POLLIN | POLLRDNORM);
+	}
+
+}
+
+static void
+vnd_mac_flow_control_stat(vnd_str_t *vsp, hrtime_t diff)
+{
+	VND_STAT_INC(vsp, vks_nmacflow, 1);
+	VND_STAT_INC(vsp, vks_tmacflow, diff);
+	if (diff >= VND_LATENCY_1MS)
+		VND_STAT_INC(vsp, vks_mac_flow_1ms, 1);
+	if (diff >= VND_LATENCY_10MS)
+		VND_STAT_INC(vsp, vks_mac_flow_10ms, 1);
+	if (diff >= VND_LATENCY_100MS)
+		VND_STAT_INC(vsp, vks_mac_flow_100ms, 1);
+	if (diff >= VND_LATENCY_1S)
+		VND_STAT_INC(vsp, vks_mac_flow_1s, 1);
+	if (diff >= VND_LATENCY_10S)
+		VND_STAT_INC(vsp, vks_mac_flow_10s, 1);
+}
+
+/*
+ * This is a callback from MAC that indicates that we are allowed to send
+ * packets again.
+ */
+static void
+vnd_mac_flow_control(void *arg, vnd_mac_cookie_t cookie)
+{
+	vnd_str_t *vsp = arg;
+	hrtime_t now, diff;
+
+	mutex_enter(&vsp->vns_lock);
+	now = gethrtime();
+
+	/*
+	 * Check for the case that we beat vnd_squeue_tx_one to the punch.
+	 * There's also an additional case here that we got notified because
+	 * we're sharing a device that ran out of tx descriptors, even though it
+	 * wasn't because of us.
+	 */
+	if (!(vsp->vns_flags & VNS_F_FLOW_CONTROLLED)) {
+		vsp->vns_fcupdate = now;
+		mutex_exit(&vsp->vns_lock);
+		return;
+	}
+
+	ASSERT(vsp->vns_flags & VNS_F_FLOW_CONTROLLED);
+	ASSERT(vsp->vns_caps.vsc_fc_cookie == cookie);
+	vsp->vns_flags &= ~VNS_F_FLOW_CONTROLLED;
+	vsp->vns_caps.vsc_fc_cookie = NULL;
+	diff = now - vsp->vns_fclatch;
+	vsp->vns_fclatch = 0;
+	DTRACE_VND3(flow__resumed, vnd_str_t *, vsp, uint64_t,
+	    vsp->vns_dq_write.vdq_cur, uintptr_t, cookie);
+	/*
+	 * If someone has asked to flush the squeue and thus inserted a barrier,
+	 * than we shouldn't schedule a drain.
+	 */
+	if (!(vsp->vns_flags & (VNS_F_DRAIN_SCHEDULED | VNS_F_BARRIER))) {
+		vsp->vns_flags |= VNS_F_DRAIN_SCHEDULED;
+		gsqueue_enter_one(vsp->vns_squeue, &vsp->vns_drainblk,
+		    vnd_squeue_tx_drain, vsp, GSQUEUE_FILL,
+		    VND_SQUEUE_TAG_MAC_FLOW_CONTROL);
+	}
+	mutex_exit(&vsp->vns_lock);
+}
+
+static void
+vnd_mac_enter(vnd_str_t *vsp, mac_perim_handle_t *mphp)
+{
+	ASSERT(MUTEX_HELD(&vsp->vns_lock));
+	VERIFY(vsp->vns_caps.vsc_capab_f(vsp->vns_caps.vsc_capab_hdl,
+	    DLD_CAPAB_PERIM, mphp, DLD_ENABLE) == 0);
+}
+
+static void
+vnd_mac_exit(vnd_str_t *vsp, mac_perim_handle_t mph)
+{
+	ASSERT(MUTEX_HELD(&vsp->vns_lock));
+	VERIFY(vsp->vns_caps.vsc_capab_f(vsp->vns_caps.vsc_capab_hdl,
+	    DLD_CAPAB_PERIM, mph, DLD_DISABLE) == 0);
+}
+
+static int
+vnd_dld_cap_enable(vnd_str_t *vsp, vnd_rx_t rxfunc)
+{
+	int ret;
+	dld_capab_direct_t d;
+	mac_perim_handle_t mph;
+	vnd_str_capab_t *c = &vsp->vns_caps;
+
+	bzero(&d, sizeof (d));
+	d.di_rx_cf = (uintptr_t)rxfunc;
+	d.di_rx_ch = vsp;
+	d.di_flags = DI_DIRECT_RAW;
+
+	vnd_mac_enter(vsp, &mph);
+
+	/*
+	 * If we're coming in here for a second pass, we need to make sure that
+	 * we remove an existing flow control notification callback, otherwise
+	 * we'll create a duplicate that will remain with garbage data.
+	 */
+	if (c->vsc_tx_fc_hdl != NULL) {
+		ASSERT(c->vsc_set_fcb_hdl != NULL);
+		(void) c->vsc_set_fcb_f(c->vsc_set_fcb_hdl, NULL,
+		    c->vsc_tx_fc_hdl);
+		c->vsc_tx_fc_hdl = NULL;
+	}
+
+	if (vsp->vns_caps.vsc_capab_f(c->vsc_capab_hdl,
+	    DLD_CAPAB_DIRECT, &d, DLD_ENABLE) == 0) {
+		c->vsc_tx_f = (vnd_dld_tx_t)d.di_tx_df;
+		c->vsc_tx_hdl = d.di_tx_dh;
+		c->vsc_set_fcb_f = (vnd_dld_set_fcb_t)d.di_tx_cb_df;
+		c->vsc_set_fcb_hdl = d.di_tx_cb_dh;
+		c->vsc_is_fc_f = (vnd_dld_is_fc_t)d.di_tx_fctl_df;
+		c->vsc_is_fc_hdl = d.di_tx_fctl_dh;
+		c->vsc_tx_fc_hdl = c->vsc_set_fcb_f(c->vsc_set_fcb_hdl,
+		    vnd_mac_flow_control, vsp);
+		c->vsc_flags |= VNS_C_DIRECT;
+		ret = 0;
+	} else {
+		vsp->vns_errno = VND_E_DIRECTFAIL;
+		ret = 1;
+	}
+	vnd_mac_exit(vsp, mph);
+	return (ret);
+}
+
+static int
+vnd_st_capabq(vnd_str_t *vsp)
+{
+	mblk_t *mp;
+	dl_capability_ack_t *cap;
+	dl_capability_sub_t *subp;
+	dl_capab_hcksum_t *hck;
+	dl_capab_dld_t *dld;
+	unsigned char *rp;
+	int ret = 0;
+
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+	mp = vnd_dlpi_inc_pop(vsp);
+
+	rp = mp->b_rptr;
+	cap = (dl_capability_ack_t *)rp;
+	if (cap->dl_sub_length == 0)
+		goto done;
+
+	/* Don't try to process something too big */
+	if (sizeof (dl_capability_ack_t) + cap->dl_sub_length > MBLKL(mp)) {
+		VND_STAT_INC(vsp, vks_ndlpidrops, 1);
+		VND_STAT_INC(vsp, vks_tdrops, 1);
+		vsp->vns_errno = VND_E_CAPACKINVAL;
+		ret = 1;
+		goto done;
+	}
+
+	rp += cap->dl_sub_offset;
+
+	while (cap->dl_sub_length > 0) {
+		subp = (dl_capability_sub_t *)rp;
+		/* Sanity check something crazy from down below */
+		if (subp->dl_length + sizeof (dl_capability_sub_t) >
+		    cap->dl_sub_length) {
+			VND_STAT_INC(vsp, vks_ndlpidrops, 1);
+			VND_STAT_INC(vsp, vks_tdrops, 1);
+			vsp->vns_errno = VND_E_SUBCAPINVAL;
+			ret = 1;
+			goto done;
+		}
+
+		switch (subp->dl_cap) {
+		case DL_CAPAB_HCKSUM:
+			hck = (dl_capab_hcksum_t *)(rp +
+			    sizeof (dl_capability_sub_t));
+			if (hck->hcksum_version != HCKSUM_CURRENT_VERSION) {
+				vsp->vns_caps.vsc_flags |= VNS_C_HCKSUM_BADVERS;
+				break;
+			}
+			if (dlcapabcheckqid(&hck->hcksum_mid, vsp->vns_lrq) !=
+			    B_TRUE) {
+				vsp->vns_errno = VND_E_CAPABPASS;
+				ret = 1;
+				goto done;
+			}
+			vsp->vns_caps.vsc_flags |= VNS_C_HCKSUM;
+			vsp->vns_caps.vsc_hcksum_opts = hck->hcksum_txflags;
+			break;
+		case DL_CAPAB_DLD:
+			dld = (dl_capab_dld_t *)(rp +
+			    sizeof (dl_capability_sub_t));
+			if (dld->dld_version != DLD_CURRENT_VERSION) {
+				vsp->vns_errno = VND_E_DLDBADVERS;
+				ret = 1;
+				goto done;
+			}
+			if (dlcapabcheckqid(&dld->dld_mid, vsp->vns_lrq) !=
+			    B_TRUE) {
+				vsp->vns_errno = VND_E_CAPABPASS;
+				ret = 1;
+				goto done;
+			}
+			vsp->vns_caps.vsc_flags |= VNS_C_DLD;
+			vsp->vns_caps.vsc_capab_f =
+			    (vnd_dld_cap_t)dld->dld_capab;
+			vsp->vns_caps.vsc_capab_hdl =
+			    (void *)dld->dld_capab_handle;
+			/*
+			 * At this point in time, we have to set up a direct
+			 * function that drops all input. This validates that
+			 * we'll be able to set up direct input and that we can
+			 * easily switch it earlier to the real data function
+			 * when we've plumbed everything up.
+			 */
+			if (vnd_dld_cap_enable(vsp, vnd_mac_drop_input) != 0) {
+				/* vns_errno set by vnd_dld_cap_enable */
+				ret = 1;
+				goto done;
+			}
+			break;
+		default:
+			/* Ignore unsupported cap */
+			break;
+		}
+
+		rp += sizeof (dl_capability_sub_t) + subp->dl_length;
+		cap->dl_sub_length -= sizeof (dl_capability_sub_t) +
+		    subp->dl_length;
+	}
+
+done:
+	/* Make sure we enabled direct callbacks */
+	if (ret == 0 && !(vsp->vns_caps.vsc_flags & VNS_C_DIRECT)) {
+		vsp->vns_errno = VND_E_DIRECTNOTSUP;
+		ret = 1;
+	}
+
+	freemsg(mp);
+	return (ret);
+}
+
+static void
+vnd_st_sonline(vnd_str_t *vsp)
+{
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+	vsp->vns_state = VNS_S_ONLINE;
+	cv_broadcast(&vsp->vns_stcv);
+}
+
+static void
+vnd_st_shutdown(vnd_str_t *vsp)
+{
+	mac_perim_handle_t mph;
+	vnd_str_capab_t *vsc = &vsp->vns_caps;
+
+	VERIFY(MUTEX_HELD(&vsp->vns_lock));
+
+	/*
+	 * At this point in time we know that there is no one transmitting as
+	 * our final reference has been torn down and that vnd_s_close inserted
+	 * a barrier to validate that everything is flushed.
+	 */
+	if (vsc->vsc_flags & VNS_C_DIRECT) {
+		vnd_mac_enter(vsp, &mph);
+		vsc->vsc_flags &= ~VNS_C_DIRECT;
+		(void) vsc->vsc_set_fcb_f(vsc->vsc_set_fcb_hdl, NULL,
+		    vsc->vsc_tx_fc_hdl);
+		vsc->vsc_tx_fc_hdl = NULL;
+		(void) vsc->vsc_capab_f(vsc->vsc_capab_hdl, DLD_CAPAB_DIRECT,
+		    NULL, DLD_DISABLE);
+		vnd_mac_exit(vsp, mph);
+	}
+
+	/*
+	 * We could send an unbind, but dld also does that for us. As we add
+	 * more capabilities and the like, we should revisit this.
+	 */
+	vsp->vns_state = VNS_S_ZOMBIE;
+	cv_broadcast(&vsp->vns_stcv);
+}
+
+/*
+ * Perform state transitions. This is a one way shot down the flow chart
+ * described in the big theory statement.
+ */
+static void
+vnd_str_state_transition(void *arg)
+{
+	boolean_t died = B_FALSE;
+	vnd_str_t *vsp = arg;
+	mblk_t *mp;
+
+	mutex_enter(&vsp->vns_lock);
+	if (vsp->vns_dlpi_inc == NULL && (vsp->vns_state != VNS_S_INITIAL &&
+	    vsp->vns_state != VNS_S_SHUTTING_DOWN)) {
+		mutex_exit(&vsp->vns_lock);
+		return;
+	}
+	DTRACE_PROBE2(vnd__state__transition, uintptr_t, vsp,
+	    vnd_str_state_t, vsp->vns_state);
+	switch (vsp->vns_state) {
+	case VNS_S_INITIAL:
+		VERIFY(vsp->vns_dlpi_inc == NULL);
+		if (vnd_st_sinfo(vsp) != 0)
+			died = B_TRUE;
+		break;
+	case VNS_S_INFO_SENT:
+		VERIFY(vsp->vns_dlpi_inc != NULL);
+		if (vnd_st_info(vsp) == 0) {
+			if (vnd_st_sexclusive(vsp) != 0)
+				died = B_TRUE;
+		} else {
+			died = B_TRUE;
+		}
+		break;
+	case VNS_S_EXCLUSIVE_SENT:
+		VERIFY(vsp->vns_dlpi_inc != NULL);
+		if (vnd_st_exclusive(vsp) == 0) {
+			if (vsp->vns_dlpi_style == DL_STYLE2) {
+				if (vnd_st_sattach(vsp) != 0)
+					died = B_TRUE;
+			} else {
+				if (vnd_st_sbind(vsp) != 0)
+					died = B_TRUE;
+			}
+		} else  {
+			died = B_TRUE;
+		}
+		break;
+	case VNS_S_ATTACH_SENT:
+		VERIFY(vsp->vns_dlpi_inc != NULL);
+		if (vnd_st_attach(vsp) == 0) {
+			if (vnd_st_sbind(vsp) != 0)
+				died = B_TRUE;
+		} else {
+			died = B_TRUE;
+		}
+		break;
+	case VNS_S_BIND_SENT:
+		VERIFY(vsp->vns_dlpi_inc != NULL);
+		if (vnd_st_bind(vsp) == 0) {
+			if (vnd_st_spromisc(vsp, DL_PROMISC_SAP,
+			    VNS_S_SAP_PROMISC_SENT) != 0)
+				died = B_TRUE;
+		} else {
+			died = B_TRUE;
+		}
+		break;
+	case VNS_S_SAP_PROMISC_SENT:
+		VERIFY(vsp->vns_dlpi_inc != NULL);
+		if (vnd_st_promisc(vsp) == 0) {
+			if (vnd_st_spromisc(vsp, DL_PROMISC_MULTI,
+			    VNS_S_MULTI_PROMISC_SENT) != 0)
+				died = B_TRUE;
+		} else {
+			died = B_TRUE;
+		}
+		break;
+	case VNS_S_MULTI_PROMISC_SENT:
+		VERIFY(vsp->vns_dlpi_inc != NULL);
+		if (vnd_st_promisc(vsp) == 0) {
+			if (vnd_st_spromisc(vsp, DL_PROMISC_RX_ONLY,
+			    VNS_S_RX_ONLY_PROMISC_SENT) != 0)
+				died = B_TRUE;
+		} else {
+			died = B_TRUE;
+		}
+		break;
+	case VNS_S_RX_ONLY_PROMISC_SENT:
+		VERIFY(vsp->vns_dlpi_inc != NULL);
+		if (vnd_st_promisc(vsp) == 0) {
+			if (vnd_st_scapabq(vsp) != 0)
+				died = B_TRUE;
+		} else {
+			died = B_TRUE;
+		}
+		break;
+	case VNS_S_CAPAB_Q_SENT:
+		if (vnd_st_capabq(vsp) != 0)
+			died = B_TRUE;
+		else
+			vnd_st_sonline(vsp);
+		break;
+	case VNS_S_SHUTTING_DOWN:
+		vnd_st_shutdown(vsp);
+		break;
+	case VNS_S_ZOMBIE:
+		while ((mp = vnd_dlpi_inc_pop(vsp)) != NULL)
+			vnd_drop_ctl(vsp, mp, "vsp committed suicide");
+		break;
+	default:
+		panic("vnd_str_t entered an unknown state");
+	}
+
+	if (died == B_TRUE) {
+		ASSERT(vsp->vns_errno != VND_E_SUCCESS);
+		vsp->vns_laststate = vsp->vns_state;
+		vsp->vns_state = VNS_S_ZOMBIE;
+		cv_broadcast(&vsp->vns_stcv);
+	}
+
+	mutex_exit(&vsp->vns_lock);
+}
+
+static void
+vnd_dlpi_taskq_dispatch(void *arg)
+{
+	vnd_str_t *vsp = arg;
+	int run = 1;
+
+	while (run != 0) {
+		vnd_str_state_transition(vsp);
+		mutex_enter(&vsp->vns_lock);
+		if (vsp->vns_flags & VNS_F_CONDEMNED ||
+		    vsp->vns_dlpi_inc == NULL) {
+			run = 0;
+			vsp->vns_flags &= ~VNS_F_TASKQ_DISPATCHED;
+		}
+		if (vsp->vns_flags & VNS_F_CONDEMNED)
+			cv_signal(&vsp->vns_cancelcv);
+		mutex_exit(&vsp->vns_lock);
+	}
+}
+
+static int
+vnd_neti_getifname(net_handle_t neti, phy_if_t phy, char *buf, const size_t len)
+{
+	return (-1);
+}
+
+static int
+vnd_neti_getmtu(net_handle_t neti, phy_if_t phy, lif_if_t ifdata)
+{
+	return (-1);
+}
+
+static int
+vnd_neti_getptmue(net_handle_t neti)
+{
+	return (-1);
+}
+
+static int
+vnd_neti_getlifaddr(net_handle_t neti, phy_if_t phy, lif_if_t ifdata,
+    size_t nelem, net_ifaddr_t type[], void *storage)
+{
+	return (-1);
+}
+
+static int
+vnd_neti_getlifzone(net_handle_t neti, phy_if_t phy, lif_if_t ifdata,
+    zoneid_t *zid)
+{
+	return (-1);
+}
+
+static int
+vnd_neti_getlifflags(net_handle_t neti, phy_if_t phy, lif_if_t ifdata,
+    uint64_t *flags)
+{
+	return (-1);
+}
+
+static phy_if_t
+vnd_neti_phygetnext(net_handle_t neti, phy_if_t phy)
+{
+	return (-1);
+}
+
+static phy_if_t
+vnd_neti_phylookup(net_handle_t neti, const char *name)
+{
+	return (-1);
+}
+
+static lif_if_t
+vnd_neti_lifgetnext(net_handle_t neti, phy_if_t phy, lif_if_t ifdata)
+{
+	return (-1);
+}
+
+static int
+vnd_neti_inject(net_handle_t neti, inject_t style, net_inject_t *packet)
+{
+	return (-1);
+}
+
+static phy_if_t
+vnd_neti_route(net_handle_t neti, struct sockaddr *address,
+    struct sockaddr *next)
+{
+	return ((phy_if_t)-1);
+}
+
+static int
+vnd_neti_ispchksum(net_handle_t neti, mblk_t *mp)
+{
+	return (-1);
+}
+
+static int
+vnd_neti_isvchksum(net_handle_t neti, mblk_t *mp)
+{
+	return (-1);
+}
+
+static net_protocol_t vnd_neti_info_v4 = {
+	NETINFO_VERSION,
+	NHF_VND_INET,
+	vnd_neti_getifname,
+	vnd_neti_getmtu,
+	vnd_neti_getptmue,
+	vnd_neti_getlifaddr,
+	vnd_neti_getlifzone,
+	vnd_neti_getlifflags,
+	vnd_neti_phygetnext,
+	vnd_neti_phylookup,
+	vnd_neti_lifgetnext,
+	vnd_neti_inject,
+	vnd_neti_route,
+	vnd_neti_ispchksum,
+	vnd_neti_isvchksum
+};
+
+static net_protocol_t vnd_neti_info_v6 = {
+	NETINFO_VERSION,
+	NHF_VND_INET6,
+	vnd_neti_getifname,
+	vnd_neti_getmtu,
+	vnd_neti_getptmue,
+	vnd_neti_getlifaddr,
+	vnd_neti_getlifzone,
+	vnd_neti_getlifflags,
+	vnd_neti_phygetnext,
+	vnd_neti_phylookup,
+	vnd_neti_lifgetnext,
+	vnd_neti_inject,
+	vnd_neti_route,
+	vnd_neti_ispchksum,
+	vnd_neti_isvchksum
+};
+
+
+static int
+vnd_netinfo_init(vnd_pnsd_t *nsp)
+{
+	nsp->vpnd_neti_v4 = net_protocol_register(nsp->vpnd_nsid,
+	    &vnd_neti_info_v4);
+	ASSERT(nsp->vpnd_neti_v4 != NULL);
+
+	nsp->vpnd_neti_v6 = net_protocol_register(nsp->vpnd_nsid,
+	    &vnd_neti_info_v6);
+	ASSERT(nsp->vpnd_neti_v6 != NULL);
+
+	nsp->vpnd_family_v4.hf_version = HOOK_VERSION;
+	nsp->vpnd_family_v4.hf_name = "vnd_inet";
+
+	if (net_family_register(nsp->vpnd_neti_v4, &nsp->vpnd_family_v4) != 0) {
+		net_protocol_unregister(nsp->vpnd_neti_v4);
+		net_protocol_unregister(nsp->vpnd_neti_v6);
+		cmn_err(CE_NOTE, "vnd_netinfo_init: net_family_register "
+		    "failed for stack %d", nsp->vpnd_nsid);
+		return (1);
+	}
+
+	nsp->vpnd_family_v6.hf_version = HOOK_VERSION;
+	nsp->vpnd_family_v6.hf_name = "vnd_inet6";
+
+	if (net_family_register(nsp->vpnd_neti_v6, &nsp->vpnd_family_v6) != 0) {
+		net_family_unregister(nsp->vpnd_neti_v4, &nsp->vpnd_family_v4);
+		net_protocol_unregister(nsp->vpnd_neti_v4);
+		net_protocol_unregister(nsp->vpnd_neti_v6);
+		cmn_err(CE_NOTE, "vnd_netinfo_init: net_family_register "
+		    "failed for stack %d", nsp->vpnd_nsid);
+		return (1);
+	}
+
+	nsp->vpnd_event_in_v4.he_version = HOOK_VERSION;
+	nsp->vpnd_event_in_v4.he_name = NH_PHYSICAL_IN;
+	nsp->vpnd_event_in_v4.he_flags = 0;
+	nsp->vpnd_event_in_v4.he_interested = B_FALSE;
+
+	nsp->vpnd_token_in_v4 = net_event_register(nsp->vpnd_neti_v4,
+	    &nsp->vpnd_event_in_v4);
+	if (nsp->vpnd_token_in_v4 == NULL) {
+		net_family_unregister(nsp->vpnd_neti_v4, &nsp->vpnd_family_v4);
+		net_family_unregister(nsp->vpnd_neti_v6, &nsp->vpnd_family_v6);
+		net_protocol_unregister(nsp->vpnd_neti_v4);
+		net_protocol_unregister(nsp->vpnd_neti_v6);
+		cmn_err(CE_NOTE, "vnd_netinfo_init: net_event_register "
+		    "failed for stack %d", nsp->vpnd_nsid);
+		return (1);
+	}
+
+	nsp->vpnd_event_in_v6.he_version = HOOK_VERSION;
+	nsp->vpnd_event_in_v6.he_name = NH_PHYSICAL_IN;
+	nsp->vpnd_event_in_v6.he_flags = 0;
+	nsp->vpnd_event_in_v6.he_interested = B_FALSE;
+
+	nsp->vpnd_token_in_v6 = net_event_register(nsp->vpnd_neti_v6,
+	    &nsp->vpnd_event_in_v6);
+	if (nsp->vpnd_token_in_v6 == NULL) {
+		net_event_shutdown(nsp->vpnd_neti_v4, &nsp->vpnd_event_in_v4);
+		net_event_unregister(nsp->vpnd_neti_v4, &nsp->vpnd_event_in_v4);
+		net_family_unregister(nsp->vpnd_neti_v4, &nsp->vpnd_family_v4);
+		net_family_unregister(nsp->vpnd_neti_v6, &nsp->vpnd_family_v6);
+		net_protocol_unregister(nsp->vpnd_neti_v4);
+		net_protocol_unregister(nsp->vpnd_neti_v6);
+		cmn_err(CE_NOTE, "vnd_netinfo_init: net_event_register "
+		    "failed for stack %d", nsp->vpnd_nsid);
+		return (1);
+	}
+
+	nsp->vpnd_event_out_v4.he_version = HOOK_VERSION;
+	nsp->vpnd_event_out_v4.he_name = NH_PHYSICAL_OUT;
+	nsp->vpnd_event_out_v4.he_flags = 0;
+	nsp->vpnd_event_out_v4.he_interested = B_FALSE;
+
+	nsp->vpnd_token_out_v4 = net_event_register(nsp->vpnd_neti_v4,
+	    &nsp->vpnd_event_out_v4);
+	if (nsp->vpnd_token_out_v4 == NULL) {
+		net_event_shutdown(nsp->vpnd_neti_v6, &nsp->vpnd_event_in_v6);
+		net_event_unregister(nsp->vpnd_neti_v6, &nsp->vpnd_event_in_v6);
+		net_event_shutdown(nsp->vpnd_neti_v4, &nsp->vpnd_event_in_v4);
+		net_event_unregister(nsp->vpnd_neti_v4, &nsp->vpnd_event_in_v4);
+		net_family_unregister(nsp->vpnd_neti_v4, &nsp->vpnd_family_v4);
+		net_family_unregister(nsp->vpnd_neti_v6, &nsp->vpnd_family_v6);
+		net_protocol_unregister(nsp->vpnd_neti_v4);
+		net_protocol_unregister(nsp->vpnd_neti_v6);
+		cmn_err(CE_NOTE, "vnd_netinfo_init: net_event_register "
+		    "failed for stack %d", nsp->vpnd_nsid);
+		return (1);
+	}
+
+	nsp->vpnd_event_out_v6.he_version = HOOK_VERSION;
+	nsp->vpnd_event_out_v6.he_name = NH_PHYSICAL_OUT;
+	nsp->vpnd_event_out_v6.he_flags = 0;
+	nsp->vpnd_event_out_v6.he_interested = B_FALSE;
+
+	nsp->vpnd_token_out_v6 = net_event_register(nsp->vpnd_neti_v6,
+	    &nsp->vpnd_event_out_v6);
+	if (nsp->vpnd_token_out_v6 == NULL) {
+		net_event_shutdown(nsp->vpnd_neti_v6, &nsp->vpnd_event_in_v6);
+		net_event_unregister(nsp->vpnd_neti_v6, &nsp->vpnd_event_in_v6);
+		net_event_shutdown(nsp->vpnd_neti_v6, &nsp->vpnd_event_in_v6);
+		net_event_unregister(nsp->vpnd_neti_v6, &nsp->vpnd_event_in_v6);
+		net_event_shutdown(nsp->vpnd_neti_v4, &nsp->vpnd_event_in_v4);
+		net_event_unregister(nsp->vpnd_neti_v4, &nsp->vpnd_event_in_v4);
+		net_family_unregister(nsp->vpnd_neti_v4, &nsp->vpnd_family_v4);
+		net_family_unregister(nsp->vpnd_neti_v6, &nsp->vpnd_family_v6);
+		net_protocol_unregister(nsp->vpnd_neti_v4);
+		net_protocol_unregister(nsp->vpnd_neti_v6);
+		cmn_err(CE_NOTE, "vnd_netinfo_init: net_event_register "
+		    "failed for stack %d", nsp->vpnd_nsid);
+		return (1);
+	}
+
+	return (0);
+}
+
+static void
+vnd_netinfo_shutdown(vnd_pnsd_t *nsp)
+{
+	int ret;
+
+	ret = net_event_shutdown(nsp->vpnd_neti_v4, &nsp->vpnd_event_in_v4);
+	VERIFY(ret == 0);
+	ret = net_event_shutdown(nsp->vpnd_neti_v4, &nsp->vpnd_event_out_v4);
+	VERIFY(ret == 0);
+	ret = net_event_shutdown(nsp->vpnd_neti_v6, &nsp->vpnd_event_in_v6);
+	VERIFY(ret == 0);
+	ret = net_event_shutdown(nsp->vpnd_neti_v6, &nsp->vpnd_event_out_v6);
+	VERIFY(ret == 0);
+}
+
+static void
+vnd_netinfo_fini(vnd_pnsd_t *nsp)
+{
+	int ret;
+
+	ret = net_event_unregister(nsp->vpnd_neti_v4, &nsp->vpnd_event_in_v4);
+	VERIFY(ret == 0);
+	ret = net_event_unregister(nsp->vpnd_neti_v4, &nsp->vpnd_event_out_v4);
+	VERIFY(ret == 0);
+	ret = net_event_unregister(nsp->vpnd_neti_v6, &nsp->vpnd_event_in_v6);
+	VERIFY(ret == 0);
+	ret = net_event_unregister(nsp->vpnd_neti_v6, &nsp->vpnd_event_out_v6);
+	VERIFY(ret == 0);
+	ret = net_family_unregister(nsp->vpnd_neti_v4, &nsp->vpnd_family_v4);
+	VERIFY(ret == 0);
+	ret = net_family_unregister(nsp->vpnd_neti_v6, &nsp->vpnd_family_v6);
+	VERIFY(ret == 0);
+	ret = net_protocol_unregister(nsp->vpnd_neti_v4);
+	VERIFY(ret == 0);
+	ret = net_protocol_unregister(nsp->vpnd_neti_v6);
+	VERIFY(ret == 0);
+}
+
+static void
+vnd_strbarrier_cb(void *arg, mblk_t *bmp, gsqueue_t *gsp, void *dummy)
+{
+	vnd_str_t *vsp = arg;
+
+	VERIFY(bmp == &vsp->vns_barrierblk);
+	mutex_enter(&vsp->vns_lock);
+	VERIFY(vsp->vns_flags & VNS_F_BARRIER);
+	VERIFY(!(vsp->vns_flags & VNS_F_BARRIER_DONE));
+	vsp->vns_flags |= VNS_F_BARRIER_DONE;
+	mutex_exit(&vsp->vns_lock);
+
+	/*
+	 * For better or worse, we have to broadcast here as we could have a
+	 * thread that's blocked for completion as well as one that's blocked
+	 * waiting to do a barrier itself.
+	 */
+	cv_broadcast(&vsp->vns_barriercv);
+}
+
+/*
+ * This is a data barrier for the stream while it is in fastpath mode. It blocks
+ * and ensures that there is nothing else in the squeue.
+ */
+static void
+vnd_strbarrier(vnd_str_t *vsp)
+{
+	mutex_enter(&vsp->vns_lock);
+	while (vsp->vns_flags & VNS_F_BARRIER)
+		cv_wait(&vsp->vns_barriercv, &vsp->vns_lock);
+	vsp->vns_flags |= VNS_F_BARRIER;
+	mutex_exit(&vsp->vns_lock);
+
+	gsqueue_enter_one(vsp->vns_squeue, &vsp->vns_barrierblk,
+	    vnd_strbarrier_cb, vsp, GSQUEUE_PROCESS, VND_SQUEUE_TAG_STRBARRIER);
+
+	mutex_enter(&vsp->vns_lock);
+	while (!(vsp->vns_flags & VNS_F_BARRIER_DONE))
+		cv_wait(&vsp->vns_barriercv, &vsp->vns_lock);
+	vsp->vns_flags &= ~VNS_F_BARRIER;
+	vsp->vns_flags &= ~VNS_F_BARRIER_DONE;
+	mutex_exit(&vsp->vns_lock);
+
+	/*
+	 * We have to broadcast in case anyone is waiting for the barrier
+	 * themselves.
+	 */
+	cv_broadcast(&vsp->vns_barriercv);
+}
+
+/*
+ * Based on the type of message that we're dealing with we're going to want to
+ * do one of several things. Basically if it looks like it's something we know
+ * about, we should probably handle it in one of our transition threads.
+ * Otherwise, we should just simply putnext.
+ */
+static int
+vnd_s_rput(queue_t *q, mblk_t *mp)
+{
+	t_uscalar_t prim;
+	int dispatch = 0;
+	vnd_str_t *vsp = q->q_ptr;
+
+	switch (DB_TYPE(mp)) {
+	case M_PROTO:
+	case M_PCPROTO:
+		if (MBLKL(mp) < sizeof (t_uscalar_t)) {
+			vnd_drop_ctl(vsp, mp, "PROTO message too short");
+			break;
+		}
+
+		prim = ((union DL_primitives *)mp->b_rptr)->dl_primitive;
+		if (prim == DL_UNITDATA_REQ || prim == DL_UNITDATA_IND) {
+			vnd_drop_ctl(vsp, mp,
+			    "recieved an unsupported dlpi DATA req");
+			break;
+		}
+
+		/*
+		 * Enqueue the entry and fire off a taskq dispatch.
+		 */
+		mutex_enter(&vsp->vns_lock);
+		vnd_dlpi_inc_push(vsp, mp);
+		if (!(vsp->vns_flags & VNS_F_TASKQ_DISPATCHED)) {
+			dispatch = 1;
+			vsp->vns_flags |= VNS_F_TASKQ_DISPATCHED;
+		}
+		mutex_exit(&vsp->vns_lock);
+		if (dispatch != 0)
+			taskq_dispatch_ent(vnd_taskq, vnd_dlpi_taskq_dispatch,
+			    vsp, 0, &vsp->vns_tqe);
+		break;
+	case M_DATA:
+		vnd_drop_in(vsp, mp, "M_DATA via put(9E)");
+		break;
+	default:
+		putnext(vsp->vns_rq, mp);
+	}
+	return (0);
+}
+
+static void
+vnd_strioctl(queue_t *q, vnd_str_t *vsp, mblk_t *mp, struct iocblk *iocp)
+{
+	int error;
+	vnd_strioc_t *visp;
+
+	if (iocp->ioc_cmd != VND_STRIOC_ASSOCIATE ||
+	    iocp->ioc_count != TRANSPARENT) {
+		error = EINVAL;
+		goto nak;
+	}
+
+	/*
+	 * All streams ioctls that we support must use kcred as a means to
+	 * distinguish that this is a layered open by the kernel as opposed to
+	 * one by a user who has done an I_PUSH of the module.
+	 */
+	if (iocp->ioc_cr != kcred) {
+		error = EPERM;
+		goto nak;
+	}
+
+	if (mp->b_cont == NULL) {
+		error = EAGAIN;
+		goto nak;
+	}
+
+	visp = kmem_alloc(sizeof (vnd_strioc_t), KM_SLEEP);
+	ASSERT(MBLKL(mp->b_cont) == sizeof (caddr_t));
+	visp->vs_addr = *(caddr_t *)mp->b_cont->b_rptr;
+	visp->vs_state = VSS_COPYIN;
+
+	mcopyin(mp, (void *)visp, sizeof (vnd_strioc_associate_t), NULL);
+	qreply(q, mp);
+
+	return;
+
+nak:
+	if (mp->b_cont != NULL) {
+		freemsg(mp->b_cont);
+		mp->b_cont = NULL;
+	}
+
+	iocp->ioc_error = error;
+	mp->b_datap->db_type = M_IOCNAK;
+	iocp->ioc_count = 0;
+	qreply(q, mp);
+}
+
+static void
+vnd_striocdata(queue_t *q, vnd_str_t *vsp, mblk_t *mp, struct copyresp *csp)
+{
+	int error;
+	vnd_str_state_t state;
+	struct copyreq *crp;
+	vnd_strioc_associate_t *vss;
+	vnd_dev_t *vdp = NULL;
+	vnd_pnsd_t *nsp = NULL;
+	char iname[2*VND_NAMELEN];
+	zone_t *zone;
+	vnd_strioc_t *visp;
+
+	visp = (vnd_strioc_t *)csp->cp_private;
+
+	/* If it's not ours, it's not our problem */
+	if (csp->cp_cmd != VND_STRIOC_ASSOCIATE) {
+		if (q->q_next != NULL) {
+			putnext(q, mp);
+		} else {
+			VND_STAT_INC(vsp, vks_ndlpidrops, 1);
+			VND_STAT_INC(vsp, vks_tdrops, 1);
+			vnd_drop_ctl(vsp, mp, "uknown cmd for M_IOCDATA");
+		}
+		kmem_free(visp, sizeof (vnd_strioc_t));
+		return;
+	}
+
+	/* The nak is already sent for us */
+	if (csp->cp_rval != 0) {
+		vnd_drop_ctl(vsp, mp, "M_COPYIN failed");
+		kmem_free(visp, sizeof (vnd_strioc_t));
+		return;
+	}
+
+	/* Data is sitting for us in b_cont */
+	if (mp->b_cont == NULL ||
+	    MBLKL(mp->b_cont) != sizeof (vnd_strioc_associate_t)) {
+		kmem_free(visp, sizeof (vnd_strioc_t));
+		miocnak(q, mp, 0, EINVAL);
+		qreply(q, mp);
+		return;
+	}
+
+	vss = (vnd_strioc_associate_t *)mp->b_cont->b_rptr;
+	vdp = vnd_dev_lookup(vss->vsa_minor);
+	if (vdp == NULL) {
+		error = EIO;
+		vss->vsa_errno = VND_E_NODEV;
+		goto nak;
+	}
+
+	nsp = vnd_nsd_lookup(vss->vsa_nsid);
+	if (nsp == NULL) {
+		error = EIO;
+		vss->vsa_errno = VND_E_NONETSTACK;
+		goto nak;
+	}
+
+	mutex_enter(&vsp->vns_lock);
+	if (!(vsp->vns_flags & VNS_F_NEED_ZONE)) {
+		mutex_exit(&vsp->vns_lock);
+		error = EEXIST;
+		vss->vsa_errno = VND_E_ASSOCIATED;
+		goto nak;
+	}
+
+	vsp->vns_nsd = nsp;
+	vsp->vns_flags &= ~VNS_F_NEED_ZONE;
+	vsp->vns_flags |= VNS_F_TASKQ_DISPATCHED;
+	mutex_exit(&vsp->vns_lock);
+
+	taskq_dispatch_ent(vnd_taskq, vnd_dlpi_taskq_dispatch, vsp, 0,
+	    &vsp->vns_tqe);
+
+
+	/* At this point we need to wait until we have transitioned to ONLINE */
+	mutex_enter(&vsp->vns_lock);
+	while (vsp->vns_state != VNS_S_ONLINE && vsp->vns_state != VNS_S_ZOMBIE)
+		cv_wait(&vsp->vns_stcv, &vsp->vns_lock);
+	state = vsp->vns_state;
+	mutex_exit(&vsp->vns_lock);
+
+	if (state == VNS_S_ZOMBIE) {
+		vss->vsa_errno = vsp->vns_errno;
+		error = EIO;
+		goto nak;
+	}
+
+	mutex_enter(&vdp->vdd_lock);
+	mutex_enter(&vsp->vns_lock);
+	VERIFY(vdp->vdd_str == NULL);
+	/*
+	 * Now initialize the remaining kstat properties and let's go ahead and
+	 * create it.
+	 */
+	(void) snprintf(iname, sizeof (iname), "z%d_%d",
+	    vdp->vdd_nsd->vpnd_zid, vdp->vdd_minor);
+	vsp->vns_kstat = kstat_create_zone("vnd", vdp->vdd_minor, iname, "net",
+	    KSTAT_TYPE_NAMED, sizeof (vnd_str_stat_t) / sizeof (kstat_named_t),
+	    KSTAT_FLAG_VIRTUAL, GLOBAL_ZONEID);
+	if (vsp->vns_kstat == NULL) {
+		error = EIO;
+		vss->vsa_errno = VND_E_KSTATCREATE;
+		mutex_exit(&vsp->vns_lock);
+		mutex_exit(&vdp->vdd_lock);
+		goto nak;
+	}
+	vdp->vdd_str = vsp;
+	vsp->vns_dev = vdp;
+
+	/*
+	 * Now, it's time to do the las thing that can fail, changing out the
+	 * input function. After this we know that we can receive data, so we
+	 * should make sure that we're ready.
+	 */
+	if (vnd_dld_cap_enable(vsp, vnd_mac_input) != 0) {
+		error = EIO;
+		vss->vsa_errno = VND_E_DIRECTFAIL;
+		vdp->vdd_str = NULL;
+		vsp->vns_dev = NULL;
+		mutex_exit(&vsp->vns_lock);
+		mutex_exit(&vdp->vdd_lock);
+		goto nak;
+	}
+
+	zone = zone_find_by_id(vdp->vdd_nsd->vpnd_zid);
+	ASSERT(zone != NULL);
+	vsp->vns_kstat->ks_data = &vsp->vns_ksdata;
+	/* Account for zone name */
+	vsp->vns_kstat->ks_data_size += strlen(zone->zone_name) + 1;
+	/* Account for eventual link name */
+	vsp->vns_kstat->ks_data_size += VND_NAMELEN;
+	kstat_named_setstr(&vsp->vns_ksdata.vks_zonename, zone->zone_name);
+	kstat_named_setstr(&vdp->vdd_str->vns_ksdata.vks_linkname,
+	    vdp->vdd_lname);
+	zone_rele(zone);
+	kstat_install(vsp->vns_kstat);
+
+	mutex_exit(&vsp->vns_lock);
+	mutex_exit(&vdp->vdd_lock);
+
+	/*
+	 * Note that the vnd_str_t does not keep a permanent hold on the
+	 * vnd_pnsd_t. We leave that up to the vnd_dev_t as that's also what
+	 * the nestack goes through to take care of everything.
+	 */
+	vss->vsa_errno = VND_E_SUCCESS;
+nak:
+	if (vdp != NULL)
+		vnd_dev_rele(vdp);
+	if (nsp != NULL)
+		vnd_nsd_rele(nsp);
+	/*
+	 * Change the copyin request to a copyout. Note that we can't use
+	 * mcopyout here as it only works when the DB_TYPE is M_IOCTL. That's
+	 * okay, as the copyin vs. copyout is basically the same.
+	 */
+	DB_TYPE(mp) = M_COPYOUT;
+	visp->vs_state = VSS_COPYOUT;
+	crp = (struct copyreq *)mp->b_rptr;
+	crp->cq_private = (void *)visp;
+	crp->cq_addr = visp->vs_addr;
+	crp->cq_size = sizeof (vnd_strioc_associate_t);
+	qreply(q, mp);
+}
+
+static void
+vnd_stroutdata(queue_t *q, vnd_str_t *vsp, mblk_t *mp, struct copyresp *csp)
+{
+	ASSERT(csp->cp_private != NULL);
+	kmem_free(csp->cp_private, sizeof (vnd_strioc_t));
+	if (csp->cp_cmd != VND_STRIOC_ASSOCIATE) {
+		if (q->q_next != NULL) {
+			putnext(q, mp);
+		} else {
+			VND_STAT_INC(vsp, vks_ndlpidrops, 1);
+			VND_STAT_INC(vsp, vks_tdrops, 1);
+			vnd_drop_ctl(vsp, mp, "uknown cmd for M_IOCDATA");
+		}
+		return;
+	}
+
+	/* The nak is already sent for us */
+	if (csp->cp_rval != 0) {
+		vnd_drop_ctl(vsp, mp, "M_COPYOUT failed");
+		return;
+	}
+
+	/* Ack and let's be done with it all */
+	miocack(q, mp, 0, 0);
+}
+
+static int
+vnd_s_wput(queue_t *q, mblk_t *mp)
+{
+	vnd_str_t *vsp = q->q_ptr;
+	struct copyresp *crp;
+	vnd_strioc_state_t vstate;
+	vnd_strioc_t *visp;
+
+	switch (DB_TYPE(mp)) {
+	case M_IOCTL:
+		vnd_strioctl(q, vsp, mp, (struct iocblk *)mp->b_rptr);
+		return (0);
+	case M_IOCDATA:
+		crp = (struct copyresp *)mp->b_rptr;
+		ASSERT(crp->cp_private != NULL);
+		visp = (vnd_strioc_t *)crp->cp_private;
+		vstate = visp->vs_state;
+		ASSERT(vstate == VSS_COPYIN || vstate == VSS_COPYOUT);
+		if (vstate == VSS_COPYIN)
+			vnd_striocdata(q, vsp, mp,
+			    (struct copyresp *)mp->b_rptr);
+		else
+			vnd_stroutdata(q, vsp, mp,
+			    (struct copyresp *)mp->b_rptr);
+		return (0);
+	default:
+		break;
+	}
+	if (q->q_next != NULL)
+		putnext(q, mp);
+	else
+		vnd_drop_ctl(vsp, mp, "!M_IOCTL in wput");
+
+	return (0);
+}
+
+static int
+vnd_s_open(queue_t *q, dev_t *devp, int oflag, int sflag, cred_t *credp)
+{
+	vnd_str_t *vsp;
+	uint_t rand;
+
+	if (q->q_ptr != NULL)
+		return (EINVAL);
+
+	if (!(sflag & MODOPEN))
+		return (ENXIO);
+
+	if (credp != kcred)
+		return (EPERM);
+
+	vsp = kmem_cache_alloc(vnd_str_cache, KM_SLEEP);
+	bzero(vsp, sizeof (*vsp));
+	mutex_init(&vsp->vns_lock, NULL, MUTEX_DRIVER, NULL);
+	cv_init(&vsp->vns_cancelcv, NULL, CV_DRIVER, NULL);
+	cv_init(&vsp->vns_barriercv, NULL, CV_DRIVER, NULL);
+	cv_init(&vsp->vns_stcv, NULL, CV_DRIVER, NULL);
+	vsp->vns_state = VNS_S_INITIAL;
+
+	mutex_init(&vsp->vns_dq_read.vdq_lock, NULL, MUTEX_DRIVER, NULL);
+	mutex_init(&vsp->vns_dq_write.vdq_lock, NULL, MUTEX_DRIVER, NULL);
+	mutex_enter(&vnd_dev_lock);
+	vsp->vns_dq_read.vdq_max = vnd_vdq_default_size;
+	vsp->vns_dq_read.vdq_vns = vsp;
+	vsp->vns_dq_write.vdq_max = vnd_vdq_default_size;
+	vsp->vns_dq_write.vdq_vns = vsp;
+	mutex_exit(&vnd_dev_lock);
+	vsp->vns_rq = q;
+	vsp->vns_wq = WR(q);
+	q->q_ptr = WR(q)->q_ptr = vsp;
+	vsp->vns_flags = VNS_F_NEED_ZONE;
+	vsp->vns_nflush = vnd_flush_nburst;
+	vsp->vns_bsize = vnd_flush_burst_size;
+
+	(void) random_get_pseudo_bytes((uint8_t *)&rand, sizeof (rand));
+	vsp->vns_squeue = gsqueue_set_get(vnd_sqset, rand);
+
+	/*
+	 * We create our kstat and initialize all of its fields now, but we
+	 * don't install it until we actually do the zone association so we can
+	 * get everything.
+	 */
+	kstat_named_init(&vsp->vns_ksdata.vks_rbytes, "rbytes",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_rpackets, "rpackets",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_obytes, "obytes",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_opackets, "opackets",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_nhookindrops, "nhookindrops",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_nhookoutdrops, "nhookoutdrops",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_ndlpidrops, "ndlpidrops",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_ndataindrops, "ndataindrops",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_ndataoutdrops, "ndataoutdrops",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_tdrops, "total_drops",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_linkname, "linkname",
+	    KSTAT_DATA_STRING);
+	kstat_named_init(&vsp->vns_ksdata.vks_zonename, "zonename",
+	    KSTAT_DATA_STRING);
+	kstat_named_init(&vsp->vns_ksdata.vks_nmacflow, "flowcontrol_events",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_tmacflow, "flowcontrol_time",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_mac_flow_1ms, "flowcontrol_1ms",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_mac_flow_10ms, "flowcontrol_10ms",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_mac_flow_100ms,
+	    "flowcontrol_100ms", KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_mac_flow_1s, "flowcontrol_1s",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&vsp->vns_ksdata.vks_mac_flow_10s, "flowcontrol_10s",
+	    KSTAT_DATA_UINT64);
+	qprocson(q);
+	/*
+	 * Now that we've called qprocson, grab the lower module for making sure
+	 * that we don't have any pass through modules.
+	 */
+	vsp->vns_lrq = RD(vsp->vns_wq->q_next);
+
+	return (0);
+}
+
+static int
+vnd_s_close(queue_t *q, int flag, cred_t *credp)
+{
+	vnd_str_t *vsp;
+	mblk_t *mp;
+
+	VERIFY(WR(q)->q_next != NULL);
+
+	vsp = q->q_ptr;
+	ASSERT(vsp != NULL);
+
+	/*
+	 * We need to transition ourselves down.  This means that we have a few
+	 * important different things to do in the process of tearing down our
+	 * input and output buffers, making sure we've drained the current
+	 * squeue, and disabling the fast path. Before we disable the fast path,
+	 * we should make sure the squeue is drained. Because we're in streams
+	 * close, we know that no packets can come into us from userland, but we
+	 * can receive more. As such, the following is the exact order of things
+	 * that we do:
+	 *
+	 * 1) flush the vns_dq_read
+	 * 2) Insert the drain mblk
+	 * 3) When it's been received, tear down the fast path by kicking
+	 * off the state machine.
+	 * 4) One final flush of both the vns_dq_read,vns_dq_write
+	 */
+
+	vnd_dq_flush(&vsp->vns_dq_read, vnd_drop_in);
+	vnd_strbarrier(vsp);
+	mutex_enter(&vsp->vns_lock);
+	vsp->vns_state = VNS_S_SHUTTING_DOWN;
+	if (!(vsp->vns_flags & VNS_F_TASKQ_DISPATCHED)) {
+		vsp->vns_flags |= VNS_F_TASKQ_DISPATCHED;
+		taskq_dispatch_ent(vnd_taskq, vnd_dlpi_taskq_dispatch, vsp,
+		    0, &vsp->vns_tqe);
+	}
+	while (vsp->vns_state != VNS_S_ZOMBIE)
+		cv_wait(&vsp->vns_stcv, &vsp->vns_lock);
+	mutex_exit(&vsp->vns_lock);
+
+	qprocsoff(q);
+	mutex_enter(&vsp->vns_lock);
+	vsp->vns_flags |= VNS_F_CONDEMNED;
+	while (vsp->vns_flags & VNS_F_TASKQ_DISPATCHED)
+		cv_wait(&vsp->vns_cancelcv, &vsp->vns_lock);
+
+	while ((mp = vnd_dlpi_inc_pop(vsp)) != NULL)
+		vnd_drop_ctl(vsp, mp, "vnd_s_close");
+	mutex_exit(&vsp->vns_lock);
+
+	q->q_ptr = NULL;
+	vnd_dq_flush(&vsp->vns_dq_read, vnd_drop_in);
+	vnd_dq_flush(&vsp->vns_dq_write, vnd_drop_out);
+	mutex_destroy(&vsp->vns_dq_read.vdq_lock);
+	mutex_destroy(&vsp->vns_dq_write.vdq_lock);
+
+	if (vsp->vns_kstat != NULL)
+		kstat_delete(vsp->vns_kstat);
+	mutex_destroy(&vsp->vns_lock);
+	cv_destroy(&vsp->vns_stcv);
+	cv_destroy(&vsp->vns_barriercv);
+	cv_destroy(&vsp->vns_cancelcv);
+	kmem_cache_free(vnd_str_cache, vsp);
+
+	return (0);
+}
+
+static vnd_mac_cookie_t
+vnd_squeue_tx_one(vnd_str_t *vsp, mblk_t *mp)
+{
+	hrtime_t txtime;
+	vnd_mac_cookie_t vc;
+
+	VND_STAT_INC(vsp, vks_opackets, 1);
+	VND_STAT_INC(vsp, vks_obytes, msgsize(mp));
+	DTRACE_VND5(send, mblk_t *, mp, void *, NULL, void *, NULL,
+	    vnd_str_t *, vsp, mblk_t *, mp);
+	/* Actually tx now */
+	txtime = gethrtime();
+	vc = vsp->vns_caps.vsc_tx_f(vsp->vns_caps.vsc_tx_hdl,
+	    mp, 0, MAC_DROP_ON_NO_DESC);
+
+	/*
+	 * We need to check two different conditions before we immediately set
+	 * the flow control lock. The first thing that we need to do is verify
+	 * that this is an instance of hard flow control, so to say. The flow
+	 * control callbacks won't always fire in cases where we still get a
+	 * cookie returned. The explicit check for flow control will guarantee
+	 * us that we'll get a subsequent notification callback.
+	 *
+	 * The second case comes about because we do not hold the
+	 * vnd_str_t`vns_lock across calls to tx, we need to determine if a flow
+	 * control notification already came across for us in a different thread
+	 * calling vnd_mac_flow_control(). To deal with this, we record a
+	 * timestamp every time that we change the flow control state. We grab
+	 * txtime here before we transmit because that guarantees that the
+	 * hrtime_t of the call to vnd_mac_flow_control() will be after txtime.
+	 *
+	 * If the flow control notification beat us to the punch, the value of
+	 * vns_fcupdate will be larger than the value of txtime, and we should
+	 * just record the statistics. However, if we didn't beat it to the
+	 * punch (txtime > vns_fcupdate), then we know that it's safe to wait
+	 * for a notification.
+	 */
+	if (vc != NULL) {
+		hrtime_t diff;
+
+		if (vsp->vns_caps.vsc_is_fc_f(vsp->vns_caps.vsc_is_fc_hdl,
+		    vc) == 0)
+			return (NULL);
+		mutex_enter(&vsp->vns_lock);
+		diff = vsp->vns_fcupdate - txtime;
+		if (diff > 0) {
+			mutex_exit(&vsp->vns_lock);
+			vnd_mac_flow_control_stat(vsp, diff);
+			return (NULL);
+		}
+		vsp->vns_flags |= VNS_F_FLOW_CONTROLLED;
+		vsp->vns_caps.vsc_fc_cookie = vc;
+		vsp->vns_fclatch = txtime;
+		vsp->vns_fcupdate = txtime;
+		DTRACE_VND3(flow__blocked, vnd_str_t *, vsp,
+		    uint64_t, vsp->vns_dq_write.vdq_cur, uintptr_t, vc);
+		mutex_exit(&vsp->vns_lock);
+	}
+
+	return (vc);
+}
+
+static void
+vnd_squeue_tx_drain(void *arg, mblk_t *drain_mp, gsqueue_t *gsp, void *dummy)
+{
+	mblk_t *mp;
+	int nmps;
+	size_t mptot, nflush, bsize;
+	boolean_t blocked, empty;
+	vnd_data_queue_t *vqp;
+	vnd_str_t *vsp = arg;
+
+	mutex_enter(&vsp->vns_lock);
+	/*
+	 * We either enter here via an squeue or via vnd_squeue_tx_append(). In
+	 * the former case we need to mark that there is no longer an active
+	 * user of the drain block.
+	 */
+	if (drain_mp != NULL) {
+		VERIFY(drain_mp == &vsp->vns_drainblk);
+		VERIFY(vsp->vns_flags & VNS_F_DRAIN_SCHEDULED);
+		vsp->vns_flags &= ~VNS_F_DRAIN_SCHEDULED;
+	}
+
+	/*
+	 * If we're still flow controlled or under a flush barrier, nothing to
+	 * do.
+	 */
+	if (vsp->vns_flags & (VNS_F_FLOW_CONTROLLED | VNS_F_BARRIER)) {
+		mutex_exit(&vsp->vns_lock);
+		return;
+	}
+
+	nflush = vsp->vns_nflush;
+	bsize = vsp->vns_bsize;
+	mutex_exit(&vsp->vns_lock);
+
+	nmps = 0;
+	mptot = 0;
+	blocked = B_FALSE;
+	vqp = &vsp->vns_dq_write;
+	while (nmps < nflush && mptot <= bsize) {
+		mutex_enter(&vqp->vdq_lock);
+		if (vnd_dq_pop(vqp, &mp) == 0) {
+			mutex_exit(&vqp->vdq_lock);
+			break;
+		}
+		mutex_exit(&vqp->vdq_lock);
+
+		nmps++;
+		mptot += msgsize(mp);
+		if (vnd_squeue_tx_one(vsp, mp) != NULL) {
+			blocked = B_TRUE;
+			break;
+		}
+	}
+
+	empty = vnd_dq_is_empty(&vsp->vns_dq_write);
+
+	/*
+	 * If the queue is not empty, we're not blocked, and there isn't a drain
+	 * scheduled, put it into the squeue with the drain block and
+	 * GSQUEUE_FILL.
+	 */
+	if (blocked == B_FALSE && empty == B_FALSE) {
+		mutex_enter(&vsp->vns_lock);
+		if (!(vsp->vns_flags & VNS_F_DRAIN_SCHEDULED)) {
+			mblk_t *mp = &vsp->vns_drainblk;
+			vsp->vns_flags |= VNS_F_DRAIN_SCHEDULED;
+			gsqueue_enter_one(vsp->vns_squeue,
+			    mp, vnd_squeue_tx_drain, vsp,
+			    GSQUEUE_FILL, VND_SQUEUE_TAG_TX_DRAIN);
+		}
+		mutex_exit(&vsp->vns_lock);
+	}
+
+	/*
+	 * If we drained some amount of data, we need to signal the data queue.
+	 */
+	if (nmps > 0) {
+		cv_broadcast(&vsp->vns_dq_write.vdq_ready);
+		pollwakeup(&vsp->vns_dev->vdd_ph, POLLOUT);
+	}
+}
+
+static void
+vnd_squeue_tx_append(void *arg, mblk_t *mp, gsqueue_t *gsp, void *dummy)
+{
+	vnd_str_t *vsp = arg;
+	vnd_data_queue_t *vqp = &vsp->vns_dq_write;
+	vnd_pnsd_t *nsp = vsp->vns_nsd;
+	size_t len = msgsize(mp);
+
+	/*
+	 * Before we append this packet, we should run it through the firewall
+	 * rules.
+	 */
+	if (nsp->vpnd_hooked && vnd_hook(vsp, &mp, nsp->vpnd_neti_v4,
+	    nsp->vpnd_event_out_v4, nsp->vpnd_token_out_v4, nsp->vpnd_neti_v6,
+	    nsp->vpnd_event_out_v6, nsp->vpnd_token_out_v6, vnd_drop_hook_out,
+	    vnd_drop_out) != 0) {
+		/*
+		 * Because we earlier reserved space for this packet and it's
+		 * not making the cut, we need to go through and unreserve that
+		 * space. Also note that the message block will likely be freed
+		 * by the time we return from vnd_hook so we cannot rely on it.
+		 */
+		mutex_enter(&vqp->vdq_lock);
+		vnd_dq_unreserve(vqp, len);
+		mutex_exit(&vqp->vdq_lock);
+		return;
+	}
+
+	/*
+	 * We earlier reserved space for this packet. So for now simply append
+	 * it and call drain. We know that no other drain can be going on right
+	 * now thanks to the squeue.
+	 */
+	mutex_enter(&vqp->vdq_lock);
+	(void) vnd_dq_push(&vsp->vns_dq_write, mp, B_TRUE, vnd_drop_panic);
+	mutex_exit(&vqp->vdq_lock);
+	vnd_squeue_tx_drain(vsp, NULL, NULL, NULL);
+}
+
+/*
+ * We need to see if this is a valid name of sorts for us. That means a few
+ * things. First off, we can't assume that what we've been given has actually
+ * been null terminated. More importantly, that it's a valid name as far as
+ * ddi_create_minor_node is concerned (that means no '@', '/', or ' '). We
+ * further constrain ourselves to simply alphanumeric characters and a few
+ * additional ones, ':', '-', and '_'.
+ */
+static int
+vnd_validate_name(const char *buf, size_t buflen)
+{
+	int i, len;
+
+	/* First make sure a null terminator exists */
+	for (i = 0; i < buflen; i++)
+		if (buf[i] == '\0')
+			break;
+	len = i;
+	if (i == 0 || i == buflen)
+		return (0);
+
+	for (i = 0; i < len; i++)
+		if (!isalnum(buf[i]) && buf[i] != ':' && buf[i] != '-' &&
+		    buf[i] != '_')
+			return (0);
+
+	return (1);
+}
+
+static int
+vnd_ioctl_attach(vnd_dev_t *vdp, uintptr_t arg, cred_t *credp, int cpflag)
+{
+	vnd_ioc_attach_t via;
+	vnd_strioc_associate_t vss;
+	vnd_pnsd_t *nsp;
+	zone_t *zonep;
+	zoneid_t zid;
+	char buf[2*VND_NAMELEN];
+	int ret, rp;
+
+	if (secpolicy_net_config(credp, B_FALSE) != 0)
+		return (EPERM);
+
+	if (secpolicy_net_rawaccess(credp) != 0)
+		return (EPERM);
+
+	if (ddi_copyin((void *)arg, &via, sizeof (via), cpflag) != 0)
+		return (EFAULT);
+	via.via_errno = VND_E_SUCCESS;
+
+	if (vnd_validate_name(via.via_name, VND_NAMELEN) == 0) {
+		via.via_errno = VND_E_BADNAME;
+		ret = EIO;
+		goto errcopyout;
+	}
+
+	/*
+	 * Only the global zone can request to create a device in a different
+	 * zone.
+	 */
+	zid = crgetzoneid(credp);
+	if (zid != GLOBAL_ZONEID && via.via_zoneid != -1 &&
+	    zid != via.via_zoneid) {
+		via.via_errno = VND_E_PERM;
+		ret = EIO;
+		goto errcopyout;
+	}
+
+	if (via.via_zoneid == -1)
+		via.via_zoneid = zid;
+
+	/*
+	 * Establish the name we'll use now. We want to be extra paranoid about
+	 * the device we're opening so check that now.
+	 */
+	if (zid == GLOBAL_ZONEID && via.via_zoneid != zid) {
+		zonep = zone_find_by_id(via.via_zoneid);
+		if (zonep == NULL) {
+			via.via_errno = VND_E_NOZONE;
+			ret = EIO;
+			goto errcopyout;
+		}
+		if (snprintf(NULL, 0, "/dev/net/zone/%s/%s", zonep->zone_name,
+		    via.via_name) >= sizeof (buf)) {
+			zone_rele(zonep);
+			via.via_errno = VND_E_BADNAME;
+			ret = EIO;
+			goto errcopyout;
+		}
+		(void) snprintf(buf, sizeof (buf), "/dev/net/zone/%s/%s",
+		    zonep->zone_name, via.via_name);
+		zone_rele(zonep);
+		zonep = NULL;
+	} else {
+		if (snprintf(NULL, 0, "/dev/net/%s", via.via_name) >=
+		    sizeof (buf)) {
+			via.via_errno = VND_E_BADNAME;
+			ret = EIO;
+			goto errcopyout;
+		}
+		(void) snprintf(buf, sizeof (buf), "/dev/net/%s", via.via_name);
+	}
+
+	/*
+	 * If our zone is dying then the netstack will have been removed from
+	 * this list.
+	 */
+	nsp = vnd_nsd_lookup_by_zid(via.via_zoneid);
+	if (nsp == NULL) {
+		via.via_errno = VND_E_NOZONE;
+		ret = EIO;
+		goto errcopyout;
+	}
+
+	/*
+	 * Note we set the attached handle even though we haven't actually
+	 * finished the process of attaching the ldi handle.
+	 */
+	mutex_enter(&vdp->vdd_lock);
+	if (vdp->vdd_flags & (VND_D_ATTACHED | VND_D_ATTACH_INFLIGHT)) {
+		mutex_exit(&vdp->vdd_lock);
+		vnd_nsd_rele(nsp);
+		via.via_errno = VND_E_ATTACHED;
+		ret = EIO;
+		goto errcopyout;
+	}
+	vdp->vdd_flags |= VND_D_ATTACH_INFLIGHT;
+	ASSERT(vdp->vdd_cr == NULL);
+	crhold(credp);
+	vdp->vdd_cr = credp;
+	ASSERT(vdp->vdd_nsd == NULL);
+	vdp->vdd_nsd = nsp;
+	mutex_exit(&vdp->vdd_lock);
+
+	/*
+	 * Place an additional hold on the vnd_pnsd_t as we go through and do
+	 * all of the rest of our work. This will be the hold that we keep for
+	 * as long as this thing is attached.
+	 */
+	vnd_nsd_ref(nsp);
+
+	ret = ldi_open_by_name(buf, FREAD | FWRITE, vdp->vdd_cr,
+	    &vdp->vdd_ldih, vdp->vdd_ldiid);
+	if (ret != 0) {
+		if (ret == ENODEV)
+			via.via_errno = VND_E_NODATALINK;
+		goto err;
+	}
+
+	/*
+	 * Unfortunately the I_PUSH interface doesn't allow us a way to detect
+	 * whether or not we're coming in from a layered device. We really want
+	 * to make sure that a normal user can't push on our streams module.
+	 * Currently the only idea I have for this is to make sure that the
+	 * credp is kcred which is really terrible.
+	 */
+	ret = ldi_ioctl(vdp->vdd_ldih, I_PUSH, (intptr_t)"vnd", FKIOCTL,
+	    kcred, &rp);
+	if (ret != 0) {
+		rp = ldi_close(vdp->vdd_ldih, FREAD | FWRITE, vdp->vdd_cr);
+		VERIFY(rp == 0);
+		via.via_errno = VND_E_STRINIT;
+		ret = EIO;
+		goto err;
+	}
+
+	vss.vsa_minor = vdp->vdd_minor;
+	vss.vsa_nsid = nsp->vpnd_nsid;
+
+	ret = ldi_ioctl(vdp->vdd_ldih, VND_STRIOC_ASSOCIATE, (intptr_t)&vss,
+	    FKIOCTL, kcred, &rp);
+	if (ret != 0 || vss.vsa_errno != VND_E_SUCCESS) {
+		rp = ldi_close(vdp->vdd_ldih, FREAD | FWRITE, vdp->vdd_cr);
+		VERIFY(rp == 0);
+		if (ret == 0) {
+			via.via_errno = vss.vsa_errno;
+			ret = EIO;
+		}
+		goto err;
+	}
+
+	mutex_enter(&vdp->vdd_nsd->vpnd_lock);
+
+	/*
+	 * There's a chance that our netstack was condemned while we've had a
+	 * hold on it. As such we need to check and if so, error out.
+	 */
+	if (vdp->vdd_nsd->vpnd_flags & VND_NS_CONDEMNED) {
+		mutex_exit(&vdp->vdd_nsd->vpnd_lock);
+		rp = ldi_close(vdp->vdd_ldih, FREAD | FWRITE, vdp->vdd_cr);
+		VERIFY(rp == 0);
+		ret = EIO;
+		via.via_errno = VND_E_NOZONE;
+		goto err;
+	}
+
+	mutex_enter(&vdp->vdd_lock);
+	VERIFY(vdp->vdd_str != NULL);
+	vdp->vdd_flags &= ~VND_D_ATTACH_INFLIGHT;
+	vdp->vdd_flags |= VND_D_ATTACHED;
+	(void) strlcpy(vdp->vdd_datalink, via.via_name,
+	    sizeof (vdp->vdd_datalink));
+	list_insert_tail(&vdp->vdd_nsd->vpnd_dev_list, vdp);
+	mutex_exit(&vdp->vdd_lock);
+	mutex_exit(&vdp->vdd_nsd->vpnd_lock);
+	vnd_nsd_rele(nsp);
+
+	return (0);
+
+err:
+	mutex_enter(&vdp->vdd_lock);
+	vdp->vdd_flags &= ~VND_D_ATTACH_INFLIGHT;
+	crfree(vdp->vdd_cr);
+	vdp->vdd_cr = NULL;
+	vdp->vdd_nsd = NULL;
+	mutex_exit(&vdp->vdd_lock);
+
+	/*
+	 * We have two holds to drop here. One for our original reference and
+	 * one for the hold this operation would have represented.
+	 */
+	vnd_nsd_rele(nsp);
+	vnd_nsd_rele(nsp);
+errcopyout:
+	if (ddi_copyout(&via, (void *)arg, sizeof (via), cpflag) != 0)
+		ret = EFAULT;
+
+	return (ret);
+}
+
+static int
+vnd_ioctl_link(vnd_dev_t *vdp, intptr_t arg, cred_t *credp, int cpflag)
+{
+	int ret = 0;
+	vnd_ioc_link_t vil;
+	char mname[2*VND_NAMELEN];
+	char **c;
+	vnd_dev_t *v;
+	zoneid_t zid;
+
+	/* Not anyone can link something */
+	if (secpolicy_net_config(credp, B_FALSE) != 0)
+		return (EPERM);
+
+	if (ddi_copyin((void *)arg, &vil, sizeof (vil), cpflag) != 0)
+		return (EFAULT);
+
+	if (vnd_validate_name(vil.vil_name, VND_NAMELEN) == 0) {
+		ret = EIO;
+		vil.vil_errno = VND_E_BADNAME;
+		goto errcopyout;
+	}
+
+	c = vnd_reserved_names;
+	while (*c != NULL) {
+		if (strcmp(vil.vil_name, *c) == 0) {
+			ret = EIO;
+			vil.vil_errno = VND_E_BADNAME;
+			goto errcopyout;
+		}
+		c++;
+	}
+
+	mutex_enter(&vdp->vdd_lock);
+	if (!(vdp->vdd_flags & VND_D_ATTACHED)) {
+		mutex_exit(&vdp->vdd_lock);
+		ret = EIO;
+		vil.vil_errno = VND_E_NOTATTACHED;
+		goto errcopyout;
+	}
+
+	if (vdp->vdd_flags & VND_D_ZONE_DYING) {
+		mutex_exit(&vdp->vdd_lock);
+		ret = EIO;
+		vil.vil_errno = VND_E_NOZONE;
+		goto errcopyout;
+	}
+
+	if (vdp->vdd_flags & (VND_D_LINK_INFLIGHT | VND_D_LINKED)) {
+		mutex_exit(&vdp->vdd_lock);
+		ret = EIO;
+		vil.vil_errno = VND_E_LINKED;
+		goto errcopyout;
+	}
+	vdp->vdd_flags |= VND_D_LINK_INFLIGHT;
+	zid = vdp->vdd_nsd->vpnd_zid;
+	mutex_exit(&vdp->vdd_lock);
+
+	if (snprintf(NULL, 0, "z%d:%s", zid, vil.vil_name) >=
+	    sizeof (mname)) {
+		ret = EIO;
+		vil.vil_errno = VND_E_BADNAME;
+		goto errcopyout;
+	}
+
+	mutex_enter(&vnd_dev_lock);
+	for (v = list_head(&vnd_dev_list); v != NULL;
+	    v = list_next(&vnd_dev_list, v)) {
+		if (!(v->vdd_flags & VND_D_LINKED))
+			continue;
+
+		if (v->vdd_nsd->vpnd_zid == zid &&
+		    strcmp(v->vdd_lname, vil.vil_name) == 0) {
+			mutex_exit(&vnd_dev_lock);
+			ret = EIO;
+			vil.vil_errno = VND_E_LINKEXISTS;
+			goto error;
+		}
+	}
+
+	/*
+	 * We set the name and mark ourselves attached while holding the list
+	 * lock to ensure that no other user can mistakingly find our name.
+	 */
+	(void) snprintf(mname, sizeof (mname), "z%d:%s", zid,
+	    vil.vil_name);
+	mutex_enter(&vdp->vdd_lock);
+
+	/*
+	 * Because we dropped our lock, we need to double check whether or not
+	 * the zone was marked as dying while we were here. If it hasn't, then
+	 * it's safe for us to link it in.
+	 */
+	if (vdp->vdd_flags & VND_D_ZONE_DYING) {
+		mutex_exit(&vdp->vdd_lock);
+		mutex_exit(&vnd_dev_lock);
+		ret = EIO;
+		vil.vil_errno = VND_E_NOZONE;
+		goto error;
+	}
+
+	(void) strlcpy(vdp->vdd_lname, vil.vil_name, sizeof (vdp->vdd_lname));
+	if (ddi_create_minor_node(vnd_dip, mname, S_IFCHR, vdp->vdd_minor,
+	    DDI_PSEUDO, 0) != DDI_SUCCESS) {
+		ret = EIO;
+		vil.vil_errno = VND_E_MINORNODE;
+	} else {
+		vdp->vdd_flags &= ~VND_D_LINK_INFLIGHT;
+		vdp->vdd_flags |= VND_D_LINKED;
+		kstat_named_setstr(&vdp->vdd_str->vns_ksdata.vks_linkname,
+		    vdp->vdd_lname);
+		ret = 0;
+	}
+	mutex_exit(&vdp->vdd_lock);
+	mutex_exit(&vnd_dev_lock);
+
+	if (ret == 0) {
+		/*
+		 * Add a reference to represent that this device is linked into
+		 * the file system name space to ensure that it doesn't
+		 * disappear.
+		 */
+		vnd_dev_ref(vdp);
+		return (0);
+	}
+
+error:
+	mutex_enter(&vdp->vdd_lock);
+	vdp->vdd_flags &= ~VND_D_LINK_INFLIGHT;
+	vdp->vdd_lname[0] = '\0';
+	mutex_exit(&vdp->vdd_lock);
+
+errcopyout:
+	if (ddi_copyout(&vil, (void *)arg, sizeof (vil), cpflag) != 0)
+		ret = EFAULT;
+	return (ret);
+}
+
+/*
+ * Common unlink function. This is used both from the ioctl path and from the
+ * netstack shutdown path. The caller is required to hold the mutex on the
+ * vnd_dev_t, but they basically will have it relinquished for them. The only
+ * thing the caller is allowed to do afterward is to potentially rele the
+ * vnd_dev_t if they have their own hold. Note that only the ioctl path has its
+ * own hold.
+ */
+static void
+vnd_dev_unlink(vnd_dev_t *vdp)
+{
+	char mname[2*VND_NAMELEN];
+
+	ASSERT(MUTEX_HELD(&vdp->vdd_lock));
+
+	(void) snprintf(mname, sizeof (mname), "z%d:%s",
+	    vdp->vdd_nsd->vpnd_zid, vdp->vdd_lname);
+	ddi_remove_minor_node(vnd_dip, mname);
+	vdp->vdd_lname[0] = '\0';
+	vdp->vdd_flags &= ~VND_D_LINKED;
+	kstat_named_setstr(&vdp->vdd_str->vns_ksdata.vks_linkname,
+	    vdp->vdd_lname);
+	mutex_exit(&vdp->vdd_lock);
+
+	/*
+	 * This rele corresponds to the reference that we took in
+	 * vnd_ioctl_link.
+	 */
+	vnd_dev_rele(vdp);
+}
+
+static int
+vnd_ioctl_unlink(vnd_dev_t *vdp, intptr_t arg, cred_t *credp, int cpflag)
+{
+	int ret;
+	zoneid_t zid;
+	vnd_ioc_unlink_t viu;
+
+	/* Not anyone can unlink something */
+	if (secpolicy_net_config(credp, B_FALSE) != 0)
+		return (EPERM);
+
+	zid = crgetzoneid(credp);
+
+	if (ddi_copyin((void *)arg, &viu, sizeof (viu), cpflag) != 0)
+		return (EFAULT);
+
+	viu.viu_errno = VND_E_SUCCESS;
+
+	mutex_enter(&vdp->vdd_lock);
+	if (!(vdp->vdd_flags & VND_D_LINKED)) {
+		mutex_exit(&vdp->vdd_lock);
+		ret = EIO;
+		viu.viu_errno = VND_E_NOTLINKED;
+		goto err;
+	}
+	VERIFY(vdp->vdd_flags & VND_D_ATTACHED);
+
+	if (zid != GLOBAL_ZONEID && zid != vdp->vdd_nsd->vpnd_zid) {
+		mutex_exit(&vdp->vdd_lock);
+		ret = EIO;
+		viu.viu_errno = VND_E_PERM;
+		goto err;
+	}
+
+	/* vnd_dev_unlink releases the vdp mutex for us */
+	vnd_dev_unlink(vdp);
+	ret = 0;
+err:
+	if (ddi_copyout(&viu, (void *)arg, sizeof (viu), cpflag) != 0)
+		return (EFAULT);
+
+	return (ret);
+}
+
+static int
+vnd_ioctl_setrxbuf(vnd_dev_t *vdp, intptr_t arg, int cpflag)
+{
+	int ret;
+	vnd_ioc_buf_t vib;
+
+	if (ddi_copyin((void *)arg, &vib, sizeof (vib), cpflag) != 0)
+		return (EFAULT);
+
+	mutex_enter(&vnd_dev_lock);
+	if (vib.vib_size > vnd_vdq_hard_max) {
+		mutex_exit(&vnd_dev_lock);
+		vib.vib_errno = VND_E_BUFTOOBIG;
+		ret = EIO;
+		goto err;
+	}
+	mutex_exit(&vnd_dev_lock);
+
+	mutex_enter(&vdp->vdd_lock);
+	if (!(vdp->vdd_flags & VND_D_ATTACHED)) {
+		mutex_exit(&vdp->vdd_lock);
+		vib.vib_errno = VND_E_NOTATTACHED;
+		ret = EIO;
+		goto err;
+	}
+
+	mutex_enter(&vdp->vdd_str->vns_lock);
+	if (vib.vib_size < vdp->vdd_str->vns_minwrite) {
+		mutex_exit(&vdp->vdd_str->vns_lock);
+		mutex_exit(&vdp->vdd_lock);
+		vib.vib_errno = VND_E_BUFTOOSMALL;
+		ret = EIO;
+		goto err;
+	}
+
+	mutex_exit(&vdp->vdd_str->vns_lock);
+	mutex_enter(&vdp->vdd_str->vns_dq_read.vdq_lock);
+	vdp->vdd_str->vns_dq_read.vdq_max = vib.vib_size;
+	mutex_exit(&vdp->vdd_str->vns_dq_read.vdq_lock);
+	mutex_exit(&vdp->vdd_lock);
+	ret = 0;
+
+err:
+	if (ddi_copyout(&vib, (void *)arg, sizeof (vib), cpflag) != 0)
+		return (EFAULT);
+
+	return (ret);
+}
+
+static int
+vnd_ioctl_getrxbuf(vnd_dev_t *vdp, intptr_t arg, int cpflag)
+{
+	int ret;
+	vnd_ioc_buf_t vib;
+
+	mutex_enter(&vdp->vdd_lock);
+	if (!(vdp->vdd_flags & VND_D_ATTACHED)) {
+		mutex_exit(&vdp->vdd_lock);
+		vib.vib_errno = VND_E_NOTATTACHED;
+		ret = EIO;
+		goto err;
+	}
+
+	mutex_enter(&vdp->vdd_str->vns_dq_read.vdq_lock);
+	vib.vib_size = vdp->vdd_str->vns_dq_read.vdq_max;
+	mutex_exit(&vdp->vdd_str->vns_dq_read.vdq_lock);
+	mutex_exit(&vdp->vdd_lock);
+	ret = 0;
+
+err:
+	if (ddi_copyout(&vib, (void *)arg, sizeof (vib), cpflag) != 0)
+		return (EFAULT);
+
+	return (ret);
+}
+
+static int
+vnd_ioctl_getmaxbuf(vnd_dev_t *vdp, intptr_t arg, int cpflag)
+{
+	vnd_ioc_buf_t vib;
+
+	mutex_enter(&vnd_dev_lock);
+	vib.vib_size = vnd_vdq_hard_max;
+	mutex_exit(&vnd_dev_lock);
+
+	if (ddi_copyout(&vib, (void *)arg, sizeof (vib), cpflag) != 0)
+		return (EFAULT);
+
+	return (0);
+}
+
+static int
+vnd_ioctl_gettxbuf(vnd_dev_t *vdp, intptr_t arg, int cpflag)
+{
+	int ret;
+	vnd_ioc_buf_t vib;
+
+	mutex_enter(&vdp->vdd_lock);
+	if (!(vdp->vdd_flags & VND_D_ATTACHED)) {
+		mutex_exit(&vdp->vdd_lock);
+		vib.vib_errno = VND_E_NOTATTACHED;
+		ret = EIO;
+		goto err;
+	}
+
+	mutex_enter(&vdp->vdd_str->vns_dq_write.vdq_lock);
+	vib.vib_size = vdp->vdd_str->vns_dq_write.vdq_max;
+	mutex_exit(&vdp->vdd_str->vns_dq_write.vdq_lock);
+	mutex_exit(&vdp->vdd_lock);
+	ret = 0;
+
+err:
+	if (ddi_copyout(&vib, (void *)arg, sizeof (vib), cpflag) != 0)
+		return (EFAULT);
+
+	return (ret);
+}
+
+static int
+vnd_ioctl_settxbuf(vnd_dev_t *vdp, intptr_t arg, int cpflag)
+{
+	int ret;
+	vnd_ioc_buf_t vib;
+
+	if (ddi_copyin((void *)arg, &vib, sizeof (vib), cpflag) != 0)
+		return (EFAULT);
+
+	mutex_enter(&vnd_dev_lock);
+	if (vib.vib_size > vnd_vdq_hard_max) {
+		mutex_exit(&vnd_dev_lock);
+		vib.vib_errno = VND_E_BUFTOOBIG;
+		ret = EIO;
+		goto err;
+	}
+	mutex_exit(&vnd_dev_lock);
+
+	mutex_enter(&vdp->vdd_lock);
+	if (!(vdp->vdd_flags & VND_D_ATTACHED)) {
+		mutex_exit(&vdp->vdd_lock);
+		vib.vib_errno = VND_E_NOTATTACHED;
+		ret = EIO;
+		goto err;
+	}
+
+	mutex_enter(&vdp->vdd_str->vns_lock);
+	if (vib.vib_size < vdp->vdd_str->vns_minwrite) {
+		mutex_exit(&vdp->vdd_str->vns_lock);
+		mutex_exit(&vdp->vdd_lock);
+		vib.vib_errno = VND_E_BUFTOOSMALL;
+		ret = EIO;
+		goto err;
+	}
+	mutex_exit(&vdp->vdd_str->vns_lock);
+
+	mutex_enter(&vdp->vdd_str->vns_dq_write.vdq_lock);
+	vdp->vdd_str->vns_dq_write.vdq_max = vib.vib_size;
+	mutex_exit(&vdp->vdd_str->vns_dq_write.vdq_lock);
+	mutex_exit(&vdp->vdd_lock);
+	ret = 0;
+
+err:
+	if (ddi_copyout(&vib, (void *)arg, sizeof (vib), cpflag) != 0)
+		return (EFAULT);
+
+	return (ret);
+}
+
+static int
+vnd_ioctl_gettu(vnd_dev_t *vdp, intptr_t arg, int mode, boolean_t min)
+{
+	vnd_ioc_buf_t vib;
+
+	vib.vib_errno = 0;
+	mutex_enter(&vdp->vdd_lock);
+	if (vdp->vdd_flags & VND_D_ATTACHED) {
+		mutex_enter(&vdp->vdd_str->vns_lock);
+		if (min == B_TRUE)
+			vib.vib_size = vdp->vdd_str->vns_minwrite;
+		else
+			vib.vib_size = vdp->vdd_str->vns_maxwrite;
+		mutex_exit(&vdp->vdd_str->vns_lock);
+	} else {
+		vib.vib_errno = VND_E_NOTATTACHED;
+	}
+	mutex_exit(&vdp->vdd_lock);
+
+	if (ddi_copyout(&vib, (void *)arg, sizeof (vib), mode & FKIOCTL) != 0)
+		return (EFAULT);
+
+	return (0);
+}
+
+static int
+vnd_frameio_read(vnd_dev_t *vdp, intptr_t addr, int mode)
+{
+	int ret, nonblock, nwrite;
+	frameio_t *fio;
+	vnd_data_queue_t *vqp;
+	mblk_t *mp;
+
+	fio = frameio_alloc(KM_NOSLEEP | KM_NORMALPRI);
+	if (fio == NULL)
+		return (EAGAIN);
+
+	ret = frameio_hdr_copyin(fio, FRAMEIO_NVECS_MAX, (const void *)addr,
+	    mode);
+	if (ret != 0) {
+		frameio_free(fio);
+		return (ret);
+	}
+
+	mutex_enter(&vdp->vdd_lock);
+	if (!(vdp->vdd_flags & VND_D_ATTACHED)) {
+		mutex_exit(&vdp->vdd_lock);
+		frameio_free(fio);
+		return (ENXIO);
+	}
+	mutex_exit(&vdp->vdd_lock);
+
+	nonblock = mode & (FNONBLOCK | FNDELAY);
+
+	vqp = &vdp->vdd_str->vns_dq_read;
+	mutex_enter(&vqp->vdq_lock);
+
+	/* Check empty case */
+	if (vqp->vdq_cur == 0) {
+		if (nonblock != 0) {
+			mutex_exit(&vqp->vdq_lock);
+			frameio_free(fio);
+			return (EWOULDBLOCK);
+		}
+		while (vqp->vdq_cur == 0) {
+			if (cv_wait_sig(&vqp->vdq_ready, &vqp->vdq_lock) <= 0) {
+				mutex_exit(&vqp->vdq_lock);
+				frameio_free(fio);
+				return (EINTR);
+			}
+		}
+	}
+
+	ret = frameio_mblk_chain_write(fio, MAP_BLK_FRAME, vqp->vdq_head,
+	    &nwrite, mode & FKIOCTL);
+	if (ret != 0) {
+		mutex_exit(&vqp->vdq_lock);
+		frameio_free(fio);
+		return (ret);
+	}
+
+	ret = frameio_hdr_copyout(fio, nwrite, (void *)addr, mode);
+	if (ret != 0) {
+		mutex_exit(&vqp->vdq_lock);
+		frameio_free(fio);
+		return (ret);
+	}
+
+	while (nwrite > 0) {
+		(void) vnd_dq_pop(vqp, &mp);
+		freemsg(mp);
+		nwrite--;
+	}
+	mutex_exit(&vqp->vdq_lock);
+	frameio_free(fio);
+
+	return (0);
+}
+
+static int
+vnd_frameio_write(vnd_dev_t *vdp, intptr_t addr, int mode)
+{
+	frameio_t *fio;
+	int ret, nonblock, nframes, i, nread;
+	size_t maxwrite, minwrite, total, flen;
+	mblk_t *mp_chain, *mp, *nmp;
+	vnd_data_queue_t *vqp;
+
+	fio = frameio_alloc(KM_NOSLEEP | KM_NORMALPRI);
+	if (fio == NULL)
+		return (EAGAIN);
+
+	ret = frameio_hdr_copyin(fio, FRAMEIO_NVECS_MAX, (void *)addr, mode);
+	if (ret != 0) {
+		frameio_free(fio);
+		return (ret);
+	}
+
+	mutex_enter(&vdp->vdd_lock);
+	if (!(vdp->vdd_flags & VND_D_ATTACHED)) {
+		mutex_exit(&vdp->vdd_lock);
+		frameio_free(fio);
+		return (ENXIO);
+	}
+	mutex_exit(&vdp->vdd_lock);
+
+	nonblock = mode & (FNONBLOCK | FNDELAY);
+
+	/*
+	 * Make sure no single frame is larger than we can accept.
+	 */
+	mutex_enter(&vdp->vdd_str->vns_lock);
+	minwrite = vdp->vdd_str->vns_minwrite;
+	maxwrite = vdp->vdd_str->vns_maxwrite;
+	mutex_exit(&vdp->vdd_str->vns_lock);
+
+	nframes = fio->fio_nvpf / fio->fio_nvecs;
+	total = 0;
+	for (i = 0; i < nframes; i++) {
+		flen = frameio_frame_length(fio,
+		    &fio->fio_vecs[i*fio->fio_nvpf]);
+		if (flen < minwrite || flen > maxwrite) {
+			frameio_free(fio);
+			return (ERANGE);
+		}
+		total += flen;
+	}
+
+	vqp = &vdp->vdd_str->vns_dq_write;
+	mutex_enter(&vqp->vdq_lock);
+	while (vnd_dq_reserve(vqp, total) == 0) {
+		if (nonblock != 0) {
+			frameio_free(fio);
+			mutex_exit(&vqp->vdq_lock);
+			return (EAGAIN);
+		}
+		if (cv_wait_sig(&vqp->vdq_ready, &vqp->vdq_lock) <= 0) {
+			mutex_exit(&vqp->vdq_lock);
+			frameio_free(fio);
+			return (EINTR);
+		}
+	}
+	mutex_exit(&vqp->vdq_lock);
+
+	/*
+	 * We've reserved our space, let's copyin and go from here.
+	 */
+	ret = frameio_mblk_chain_read(fio, &mp_chain, &nread, mode & FKIOCTL);
+	if (ret != 0) {
+		frameio_free(fio);
+		vnd_dq_unreserve(vqp, total);
+		cv_broadcast(&vqp->vdq_ready);
+		pollwakeup(&vdp->vdd_ph, POLLOUT);
+		return (ret);
+	}
+
+	for (mp = mp_chain; mp != NULL; mp = nmp) {
+		nmp = mp->b_next;
+		mp->b_next = NULL;
+		gsqueue_enter_one(vdp->vdd_str->vns_squeue, mp,
+		    vnd_squeue_tx_append, vdp->vdd_str, GSQUEUE_PROCESS,
+		    VND_SQUEUE_TAG_VND_WRITE);
+	}
+
+	/*
+	 * Update the frameio structure to indicate that we wrote those frames.
+	 */
+	frameio_mark_consumed(fio, nread);
+	ret = frameio_hdr_copyout(fio, nread, (void *)addr, mode);
+	frameio_free(fio);
+
+	return (ret);
+}
+
+static int
+vnd_ioctl_list_copy_info(vnd_dev_t *vdp, vnd_ioc_info_t *arg, int mode)
+{
+	const char *link;
+	uint32_t vers = 1;
+	ASSERT(MUTEX_HELD(&vdp->vdd_lock));
+
+	/*
+	 * Copy all of the members out to userland.
+	 */
+	if (ddi_copyout(&vers, &arg->vii_version, sizeof (uint32_t),
+	    mode & FKIOCTL) != 0)
+		return (EFAULT);
+
+	if (vdp->vdd_flags & VND_D_LINKED)
+		link = vdp->vdd_lname;
+	else
+		link = "<anonymous>";
+	if (ddi_copyout(link, arg->vii_name, sizeof (arg->vii_name),
+	    mode & FKIOCTL) != 0)
+		return (EFAULT);
+
+	if (ddi_copyout(vdp->vdd_datalink, arg->vii_datalink,
+	    sizeof (arg->vii_datalink), mode & FKIOCTL) != 0)
+		return (EFAULT);
+
+	if (ddi_copyout(&vdp->vdd_nsd->vpnd_zid, &arg->vii_zone,
+	    sizeof (zoneid_t), mode & FKIOCTL) != 0)
+		return (EFAULT);
+	return (0);
+}
+
+static int
+vnd_ioctl_list(intptr_t arg, cred_t *credp, int mode)
+{
+	vnd_ioc_list_t vl;
+	vnd_ioc_list32_t vl32;
+	zoneid_t zid;
+	vnd_dev_t *vdp;
+	vnd_ioc_info_t *vip;
+	int found, cancopy, ret;
+
+	if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
+		if (ddi_copyin((void *)arg, &vl32, sizeof (vnd_ioc_list32_t),
+		    mode & FKIOCTL) != 0)
+			return (EFAULT);
+		vl.vl_nents = vl32.vl_nents;
+		vl.vl_actents = vl32.vl_actents;
+		vl.vl_ents = (void *)(uintptr_t)vl32.vl_ents;
+	} else {
+		if (ddi_copyin((void *)arg, &vl, sizeof (vnd_ioc_list_t),
+		    mode & FKIOCTL) != 0)
+			return (EFAULT);
+	}
+
+	cancopy = vl.vl_nents;
+	vip = vl.vl_ents;
+	found = 0;
+	zid = crgetzoneid(credp);
+	mutex_enter(&vnd_dev_lock);
+	for (vdp = list_head(&vnd_dev_list); vdp != NULL;
+	    vdp = list_next(&vnd_dev_list, vdp)) {
+		mutex_enter(&vdp->vdd_lock);
+		if (vdp->vdd_flags & VND_D_ATTACHED &&
+		    !(vdp->vdd_flags & (VND_D_CONDEMNED | VND_D_ZONE_DYING)) &&
+		    (zid == GLOBAL_ZONEID || zid == vdp->vdd_nsd->vpnd_zid)) {
+			found++;
+			if (cancopy > 0) {
+				ret = vnd_ioctl_list_copy_info(vdp, vip, mode);
+				if (ret != 0) {
+					mutex_exit(&vdp->vdd_lock);
+					mutex_exit(&vnd_dev_lock);
+					return (ret);
+				}
+				cancopy--;
+				vip++;
+			}
+		}
+		mutex_exit(&vdp->vdd_lock);
+	}
+	mutex_exit(&vnd_dev_lock);
+
+	if (ddi_copyout(&found, &((vnd_ioc_list_t *)arg)->vl_actents,
+	    sizeof (uint_t), mode & FKIOCTL) != 0)
+		return (EFAULT);
+
+	return (0);
+}
+
+
+static int
+vnd_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp,
+    int *rvalp)
+{
+	int ret;
+	minor_t m;
+	vnd_dev_t *vdp;
+
+	m = getminor(dev);
+	ASSERT(m != 0);
+
+	/*
+	 * Make sure no one has come in on an ioctl from the strioc case.
+	 */
+	if ((cmd & VND_STRIOC) == VND_STRIOC)
+		return (ENOTTY);
+
+	/*
+	 * Like close, seems like if this minor isn't found, it's a programmer
+	 * error somehow.
+	 */
+	vdp = vnd_dev_lookup(m);
+	if (vdp == NULL)
+		return (ENXIO);
+
+	switch (cmd) {
+	case VND_IOC_ATTACH:
+		if (!(mode & FWRITE)) {
+			ret = EBADF;
+			break;
+		}
+		ret = vnd_ioctl_attach(vdp, arg, credp, mode);
+		break;
+	case VND_IOC_LINK:
+		if (!(mode & FWRITE)) {
+			ret = EBADF;
+			break;
+		}
+		ret = vnd_ioctl_link(vdp, arg, credp, mode);
+		break;
+	case VND_IOC_UNLINK:
+		if (!(mode & FWRITE)) {
+			ret = EBADF;
+			break;
+		}
+		ret = vnd_ioctl_unlink(vdp, arg, credp, mode);
+		break;
+	case VND_IOC_GETRXBUF:
+		if (!(mode & FREAD)) {
+			ret = EBADF;
+			break;
+		}
+		ret = vnd_ioctl_getrxbuf(vdp, arg, mode);
+		break;
+	case VND_IOC_SETRXBUF:
+		if (!(mode & FWRITE)) {
+			ret = EBADF;
+			break;
+		}
+		ret = vnd_ioctl_setrxbuf(vdp, arg, mode);
+		break;
+	case VND_IOC_GETTXBUF:
+		if (!(mode & FREAD)) {
+			ret = EBADF;
+			break;
+		}
+		ret = vnd_ioctl_gettxbuf(vdp, arg, mode);
+		break;
+	case VND_IOC_SETTXBUF:
+		if (!(mode & FWRITE)) {
+			ret = EBADF;
+			break;
+		}
+		ret = vnd_ioctl_settxbuf(vdp, arg, mode);
+		break;
+	case VND_IOC_GETMAXBUF:
+		if (!(mode & FREAD)) {
+			ret = EBADF;
+			break;
+		}
+		if (crgetzoneid(credp) != GLOBAL_ZONEID) {
+			ret = EPERM;
+			break;
+		}
+		ret = vnd_ioctl_getmaxbuf(vdp, arg, mode);
+		break;
+	case VND_IOC_GETMINTU:
+		if (!(mode & FREAD)) {
+			ret = EBADF;
+			break;
+		}
+		ret = vnd_ioctl_gettu(vdp, arg, mode, B_TRUE);
+		break;
+	case VND_IOC_GETMAXTU:
+		if (!(mode & FREAD)) {
+			ret = EBADF;
+			break;
+		}
+		ret = vnd_ioctl_gettu(vdp, arg, mode, B_FALSE);
+		break;
+	case VND_IOC_FRAMEIO_READ:
+		if (!(mode & FREAD)) {
+			ret = EBADF;
+			break;
+		}
+		ret = vnd_frameio_read(vdp, arg, mode);
+		break;
+	case VND_IOC_FRAMEIO_WRITE:
+		if (!(mode & FWRITE)) {
+			ret = EBADF;
+			break;
+		}
+		ret = vnd_frameio_write(vdp, arg, mode);
+		break;
+	case VND_IOC_LIST:
+		if (!(mode & FREAD)) {
+			ret = EBADF;
+			break;
+		}
+		ret = vnd_ioctl_list(arg, credp, mode);
+		break;
+	default:
+		ret = ENOTTY;
+		break;
+	}
+
+	vnd_dev_rele(vdp);
+	return (ret);
+}
+
+static int
+vnd_open(dev_t *devp, int flag, int otyp, cred_t *credp)
+{
+	vnd_dev_t *vdp;
+	minor_t m;
+	zoneid_t zid;
+
+	if (flag & (FEXCL | FNDELAY))
+		return (ENOTSUP);
+
+	if (otyp & OTYP_BLK)
+		return (ENOTSUP);
+
+	zid = crgetzoneid(credp);
+	m = getminor(*devp);
+
+	/*
+	 * If we have an open of a non-zero instance then we need to look that
+	 * up in our list of entries.
+	 */
+	if (m != 0) {
+
+		/*
+		 * We don't check for rawaccess globally as a user could be
+		 * doing a list ioctl on the control node which doesn't require
+		 * this privilege.
+		 */
+		if (secpolicy_net_rawaccess(credp) != 0)
+			return (EPERM);
+
+
+		vdp = vnd_dev_lookup(m);
+		if (vdp == NULL)
+			return (ENOENT);
+
+		/*
+		 * We need to check to make sure that the user is allowed to
+		 * open this node. At this point it should be an attached handle
+		 * as that's all we're allowed to access.
+		 */
+		mutex_enter(&vdp->vdd_lock);
+		if (!(vdp->vdd_flags & VND_D_LINKED)) {
+			mutex_exit(&vdp->vdd_lock);
+			vnd_dev_rele(vdp);
+			return (ENOENT);
+		}
+
+		if (vdp->vdd_flags & VND_D_ZONE_DYING) {
+			mutex_exit(&vdp->vdd_lock);
+			vnd_dev_rele(vdp);
+			return (ENOENT);
+		}
+
+		if (zid != GLOBAL_ZONEID && zid != vdp->vdd_nsd->vpnd_zid) {
+			mutex_exit(&vdp->vdd_lock);
+			vnd_dev_rele(vdp);
+			return (ENOENT);
+		}
+
+		if ((flag & FEXCL) && (vdp->vdd_flags & VND_D_OPENED)) {
+			mutex_exit(&vdp->vdd_lock);
+			vnd_dev_rele(vdp);
+			return (EBUSY);
+		}
+
+		if (!(vdp->vdd_flags & VND_D_OPENED)) {
+			vdp->vdd_flags |= VND_D_OPENED;
+			vdp->vdd_ref++;
+			DTRACE_VND_REFINC(vdp);
+		}
+		mutex_exit(&vdp->vdd_lock);
+		vnd_dev_rele(vdp);
+
+		return (0);
+	}
+
+	if (flag & FEXCL)
+		return (ENOTSUP);
+
+	/*
+	 * We need to clone ourselves and set up new a state.
+	 */
+	vdp = kmem_cache_alloc(vnd_dev_cache, KM_SLEEP);
+	bzero(vdp, sizeof (vnd_dev_t));
+
+	if (ldi_ident_from_dev(*devp, &vdp->vdd_ldiid) != 0) {
+		kmem_cache_free(vnd_dev_cache, vdp);
+		return (EINVAL);
+	}
+
+	vdp->vdd_minor = id_alloc(vnd_minors);
+	mutex_init(&vdp->vdd_lock, NULL, MUTEX_DRIVER, NULL);
+	list_link_init(&vdp->vdd_link);
+	vdp->vdd_ref = 1;
+	*devp = makedevice(getmajor(*devp), vdp->vdd_minor);
+	vdp->vdd_devid = *devp;
+	DTRACE_VND_REFINC(vdp);
+	vdp->vdd_flags |= VND_D_OPENED;
+
+	mutex_enter(&vnd_dev_lock);
+	list_insert_head(&vnd_dev_list, vdp);
+	mutex_exit(&vnd_dev_lock);
+
+	return (0);
+}
+
+static int
+vnd_close(dev_t dev, int flag, int otyp, cred_t *credp)
+{
+	minor_t m;
+	vnd_dev_t *vdp;
+
+	m = getminor(dev);
+	if (m == 0)
+		return (ENXIO);
+
+	vdp = vnd_dev_lookup(m);
+	if (vdp == NULL)
+		return (ENXIO);
+
+	mutex_enter(&vdp->vdd_lock);
+	VERIFY(vdp->vdd_flags & VND_D_OPENED);
+	vdp->vdd_flags &= ~VND_D_OPENED;
+	mutex_exit(&vdp->vdd_lock);
+
+	/* Remove the hold from the previous open. */
+	vnd_dev_rele(vdp);
+
+	/* And now from lookup */
+	vnd_dev_rele(vdp);
+	return (0);
+}
+
+static int
+vnd_read(dev_t dev, struct uio *uiop, cred_t *credp)
+{
+	int nonblock, error = 0;
+	size_t mpsize;
+	vnd_dev_t *vdp;
+	vnd_data_queue_t *vqp;
+	mblk_t *mp = NULL;
+	offset_t u_loffset;
+
+	/*
+	 * If we have more than one uio we refuse to do anything. That's for
+	 * frameio.
+	 */
+	if (uiop->uio_iovcnt > 1)
+		return (EINVAL);
+
+	vdp = vnd_dev_lookup(getminor(dev));
+	if (vdp == NULL)
+		return (ENXIO);
+
+	mutex_enter(&vdp->vdd_lock);
+	if (!(vdp->vdd_flags & VND_D_ATTACHED)) {
+		mutex_exit(&vdp->vdd_lock);
+		vnd_dev_rele(vdp);
+		return (ENXIO);
+	}
+	mutex_exit(&vdp->vdd_lock);
+	nonblock = uiop->uio_fmode & (FNONBLOCK | FNDELAY);
+
+	vqp = &vdp->vdd_str->vns_dq_read;
+	mutex_enter(&vqp->vdq_lock);
+
+	/* Check empty case */
+	if (vqp->vdq_cur == 0) {
+		if (nonblock != 0) {
+			error = EWOULDBLOCK;
+			goto err;
+		}
+		while (vqp->vdq_cur == 0) {
+			if (cv_wait_sig(&vqp->vdq_ready, &vqp->vdq_lock) <= 0) {
+				error = EINTR;
+				goto err;
+			}
+		}
+	}
+
+	/* Ensure our buffer is big enough */
+	mp = vqp->vdq_head;
+	ASSERT(mp != NULL);
+	mpsize = msgsize(mp);
+	if (mpsize > uiop->uio_resid) {
+		error = EOVERFLOW;
+		goto err;
+	}
+
+	u_loffset = uiop->uio_loffset;
+	while (mp != NULL) {
+		if (uiomove(mp->b_rptr, MBLKL(mp), UIO_READ, uiop) != 0) {
+			error = EFAULT;
+			uiop->uio_loffset = u_loffset;
+			mp = NULL;
+			goto err;
+		}
+		mpsize -= MBLKL(mp);
+		mp = mp->b_cont;
+	}
+	ASSERT(mpsize == 0);
+	(void) vnd_dq_pop(vqp, &mp);
+	freemsg(mp);
+err:
+	mutex_exit(&vqp->vdq_lock);
+	vnd_dev_rele(vdp);
+
+	return (error);
+}
+
+static int
+vnd_write(dev_t dev, struct uio *uiop, cred_t *credp)
+{
+	int nonblock, error;
+	vnd_dev_t *vdp;
+	mblk_t *mp;
+	ssize_t iosize, origsize;
+	vnd_data_queue_t *vqp;
+
+	if (uiop->uio_iovcnt > 1)
+		return (EINVAL);
+
+	vdp = vnd_dev_lookup(getminor(dev));
+	if (vdp == NULL)
+		return (ENXIO);
+
+	mutex_enter(&vdp->vdd_lock);
+	if (!(vdp->vdd_flags & VND_D_ATTACHED)) {
+		mutex_exit(&vdp->vdd_lock);
+		vnd_dev_rele(vdp);
+		return (ENXIO);
+	}
+	mutex_exit(&vdp->vdd_lock);
+	nonblock = uiop->uio_fmode & (FNONBLOCK | FNDELAY);
+
+	mutex_enter(&vdp->vdd_str->vns_lock);
+	if (uiop->uio_resid > vdp->vdd_str->vns_maxwrite ||
+	    uiop->uio_resid < vdp->vdd_str->vns_minwrite) {
+		mutex_exit(&vdp->vdd_str->vns_lock);
+		vnd_dev_rele(vdp);
+		return (ERANGE);
+	}
+	mutex_exit(&vdp->vdd_str->vns_lock);
+	VERIFY(vdp->vdd_str != NULL);
+
+	/*
+	 * Reserve space in the data queue if we can. If we can't, block or
+	 * return EAGAIN. If we can, go and squeue_enter.
+	 */
+	vqp = &vdp->vdd_str->vns_dq_write;
+	mutex_enter(&vqp->vdq_lock);
+	while (vnd_dq_reserve(vqp, uiop->uio_resid) == 0) {
+		if (nonblock != 0) {
+			mutex_exit(&vqp->vdq_lock);
+			vnd_dev_rele(vdp);
+			return (EAGAIN);
+		}
+		if (cv_wait_sig(&vqp->vdq_ready, &vqp->vdq_lock) <= 0) {
+			mutex_exit(&vqp->vdq_lock);
+			vnd_dev_rele(vdp);
+			return (EINTR);
+		}
+	}
+	mutex_exit(&vqp->vdq_lock);
+
+	/*
+	 * Now that we've reserved the space, try to allocate kernel space for
+	 * and copy in the block. To take care of all this we use the
+	 * strmakedata subroutine for now.
+	 */
+	origsize = iosize = uiop->uio_resid;
+	error = strmakedata(&iosize, uiop, vdp->vdd_str->vns_wq->q_stream, 0,
+	    &mp);
+
+	/*
+	 * strmakedata() will return an error or it may only consume a portion
+	 * of the data.
+	 */
+	if (error != 0 || uiop->uio_resid != 0) {
+		vnd_dq_unreserve(vqp, origsize);
+		cv_broadcast(&vqp->vdq_ready);
+		pollwakeup(&vdp->vdd_ph, POLLOUT);
+		vnd_dev_rele(vdp);
+		return (ENOSR);
+	}
+
+	gsqueue_enter_one(vdp->vdd_str->vns_squeue, mp,
+	    vnd_squeue_tx_append, vdp->vdd_str, GSQUEUE_PROCESS,
+	    VND_SQUEUE_TAG_VND_WRITE);
+
+	vnd_dev_rele(vdp);
+	return (0);
+}
+
+static int
+vnd_chpoll(dev_t dev, short events, int anyyet, short *reventsp,
+    struct pollhead **phpp)
+{
+	int ready = 0;
+	vnd_dev_t *vdp;
+	vnd_data_queue_t *vqp;
+
+	vdp = vnd_dev_lookup(getminor(dev));
+	if (vdp == NULL)
+		return (ENXIO);
+
+	mutex_enter(&vdp->vdd_lock);
+	if (!(vdp->vdd_flags & VND_D_ATTACHED)) {
+		mutex_exit(&vdp->vdd_lock);
+		vnd_dev_rele(vdp);
+		return (ENXIO);
+	}
+	mutex_exit(&vdp->vdd_lock);
+
+	if ((events & POLLIN) || (events & POLLRDNORM)) {
+		vqp = &vdp->vdd_str->vns_dq_read;
+		mutex_enter(&vqp->vdq_lock);
+		if (vqp->vdq_head != NULL)
+			ready |= events & (POLLIN | POLLRDNORM);
+		mutex_exit(&vqp->vdq_lock);
+	}
+
+	if (events & POLLOUT) {
+		vqp = &vdp->vdd_str->vns_dq_write;
+		mutex_enter(&vqp->vdq_lock);
+		if (vqp->vdq_cur != vqp->vdq_max)
+			ready |= POLLOUT;
+		mutex_exit(&vqp->vdq_lock);
+	}
+
+	if (ready != 0) {
+		*reventsp = ready;
+		vnd_dev_rele(vdp);
+		return (0);
+	}
+
+	*reventsp = 0;
+	if (!anyyet)
+		*phpp = &vdp->vdd_ph;
+
+	vnd_dev_rele(vdp);
+	return (0);
+}
+
+static void *
+vnd_stack_init(netstackid_t stackid, netstack_t *ns)
+{
+	vnd_pnsd_t *nsp;
+
+	nsp = kmem_cache_alloc(vnd_pnsd_cache, KM_SLEEP);
+	bzero(nsp, sizeof (*nsp));
+	nsp->vpnd_nsid = stackid;
+	nsp->vpnd_zid = netstackid_to_zoneid(stackid);
+	nsp->vpnd_flags = 0;
+	mutex_init(&nsp->vpnd_lock, NULL, MUTEX_DRIVER, NULL);
+	list_create(&nsp->vpnd_dev_list, sizeof (vnd_dev_t),
+	    offsetof(vnd_dev_t, vdd_nslink));
+	if (vnd_netinfo_init(nsp) == 0)
+		nsp->vpnd_hooked = B_TRUE;
+
+	mutex_enter(&vnd_dev_lock);
+	list_insert_tail(&vnd_nsd_list, nsp);
+	mutex_exit(&vnd_dev_lock);
+
+	return (nsp);
+}
+
+static void
+vnd_stack_shutdown(netstackid_t stackid, void *arg)
+{
+	vnd_pnsd_t *nsp = arg;
+	vnd_dev_t *vdp;
+
+	ASSERT(nsp != NULL);
+	/*
+	 * After shut down no one should be able to find their way to this
+	 * netstack again.
+	 */
+	mutex_enter(&vnd_dev_lock);
+	list_remove(&vnd_nsd_list, nsp);
+	mutex_exit(&vnd_dev_lock);
+
+	/*
+	 * Make sure hooks know that they're going away.
+	 */
+	if (nsp->vpnd_hooked == B_TRUE)
+		vnd_netinfo_shutdown(nsp);
+
+	/*
+	 * Now we need to go through and notify each zone that they are in
+	 * teardown phase.  See the big theory statement section on vnd, zones,
+	 * netstacks, and sdev for more information about this.
+	 */
+	mutex_enter(&nsp->vpnd_lock);
+	nsp->vpnd_flags |= VND_NS_CONDEMNED;
+	for (vdp = list_head(&nsp->vpnd_dev_list); vdp != NULL;
+	    vdp = list_next(&nsp->vpnd_dev_list, vdp)) {
+		mutex_enter(&vdp->vdd_lock);
+		if (!(vdp->vdd_flags & VND_D_CONDEMNED))
+			vdp->vdd_flags |= VND_D_ZONE_DYING;
+		mutex_exit(&vdp->vdd_lock);
+	}
+	mutex_exit(&nsp->vpnd_lock);
+
+	/*
+	 * Next we remove all the links as we know nothing new can be added to
+	 * the list and that none of the extent devices can obtain additional
+	 * links.
+	 */
+restart:
+	mutex_enter(&nsp->vpnd_lock);
+	for (vdp = list_head(&nsp->vpnd_dev_list); vdp != NULL;
+	    vdp = list_next(&nsp->vpnd_dev_list, vdp)) {
+		mutex_enter(&vdp->vdd_lock);
+		if ((vdp->vdd_flags & VND_D_CONDEMNED) ||
+		    !(vdp->vdd_flags & VND_D_LINKED)) {
+			mutex_exit(&vdp->vdd_lock);
+			continue;
+		}
+
+		/*
+		 * We drop our lock here and restart afterwards. Note that as
+		 * part of unlinking we end up doing a rele of the vnd_dev_t. If
+		 * this is the final hold on the vnd_dev_t then it might try and
+		 * remove itself. Our locking rules requires not to be holding
+		 * any locks when we call any of the rele functions.
+		 *
+		 * Note that the unlink function requires holders to call into
+		 * it with the vnd_dev_t->vdd_lock held and will take care of it
+		 * for us. Because we don't have a hold on it, we're done at
+		 * this point.
+		 */
+		mutex_exit(&nsp->vpnd_lock);
+		/* Forcibly unlink */
+		vnd_dev_unlink(vdp);
+		goto restart;
+	}
+	mutex_exit(&nsp->vpnd_lock);
+}
+
+static void
+vnd_stack_destroy(netstackid_t stackid, void *arg)
+{
+	vnd_pnsd_t *nsp = arg;
+
+	ASSERT(nsp != NULL);
+
+	/*
+	 * Now that we've unlinked everything we just have to hang out for
+	 * it to finish exiting. Now that it's no longer the kernel itself
+	 * that's doing this we just need to wait for our reference count to
+	 * equal zero and then we're free. If the global zone is holding open a
+	 * reference to a vnd device for another zone, that's bad, but there's
+	 * nothing much we can do. See the section on 'vnd, zones, netstacks' in
+	 * the big theory statement for more information.
+	 */
+	mutex_enter(&nsp->vpnd_lock);
+	while (nsp->vpnd_ref != 0)
+		cv_wait(&nsp->vpnd_ref_change, &nsp->vpnd_lock);
+	mutex_exit(&nsp->vpnd_lock);
+
+	/*
+	 * During shutdown we removed ourselves from the list and now we have no
+	 * more references so we can safely say that there is nothing left and
+	 * destroy everything that we had sitting around.
+	 */
+	if (nsp->vpnd_hooked == B_TRUE)
+		vnd_netinfo_fini(nsp);
+
+	mutex_destroy(&nsp->vpnd_lock);
+	list_destroy(&nsp->vpnd_dev_list);
+	kmem_cache_free(vnd_pnsd_cache, nsp);
+}
+
+/*
+ * Convert a node with a name of the form /dev/vnd/zone/%zonename and
+ * /dev/vnd/zone/%zonename/%linkname to the corresponding vnd netstack.
+ */
+static vnd_pnsd_t *
+vnd_sdev_ctx_to_ns(sdev_ctx_t ctx)
+{
+	enum vtype vt;
+	const char *path = sdev_ctx_path(ctx);
+	char *zstart, *dup;
+	size_t duplen;
+	vnd_pnsd_t *nsp;
+
+	vt = sdev_ctx_vtype(ctx);
+	ASSERT(strncmp(path, VND_SDEV_ZROOT, strlen(VND_SDEV_ZROOT)) == 0);
+
+	if (vt == VDIR) {
+		zstart = strrchr(path, '/');
+		ASSERT(zstart != NULL);
+		zstart++;
+		return (vnd_nsd_lookup_by_zonename(zstart));
+	}
+
+	ASSERT(vt == VCHR);
+
+	dup = strdup(path);
+	duplen = strlen(dup) + 1;
+	zstart = strrchr(dup, '/');
+	*zstart = '\0';
+	zstart--;
+	zstart = strrchr(dup, '/');
+	zstart++;
+	nsp = vnd_nsd_lookup_by_zonename(zstart);
+	kmem_free(dup, duplen);
+
+	return (nsp);
+}
+
+static sdev_plugin_validate_t
+vnd_sdev_validate_dir(sdev_ctx_t ctx)
+{
+	vnd_pnsd_t *nsp;
+
+	if (strcmp(sdev_ctx_path(ctx), VND_SDEV_ROOT) == 0)
+		return (SDEV_VTOR_VALID);
+
+	if (strcmp(sdev_ctx_path(ctx), VND_SDEV_ZROOT) == 0) {
+		ASSERT(getzoneid() == GLOBAL_ZONEID);
+		ASSERT(sdev_ctx_flags(ctx) & SDEV_CTX_GLOBAL);
+		return (SDEV_VTOR_VALID);
+	}
+
+	nsp = vnd_sdev_ctx_to_ns(ctx);
+	if (nsp == NULL)
+		return (SDEV_VTOR_INVALID);
+	vnd_nsd_rele(nsp);
+
+	return (SDEV_VTOR_VALID);
+}
+
+static sdev_plugin_validate_t
+vnd_sdev_validate(sdev_ctx_t ctx)
+{
+	enum vtype vt;
+	dev_t dev;
+	vnd_dev_t *vdp;
+
+	vt = sdev_ctx_vtype(ctx);
+	if (vt == VDIR)
+		return (vnd_sdev_validate_dir(ctx));
+	ASSERT(vt == VCHR);
+
+	if (strcmp("ctl", sdev_ctx_name(ctx)) == 0)
+		return (SDEV_VTOR_VALID);
+
+	dev = (uintptr_t)sdev_ctx_vtype_data(ctx);
+	vdp = vnd_dev_lookup(getminor(dev));
+	if (vdp == NULL)
+		return (SDEV_VTOR_STALE);
+
+	mutex_enter(&vdp->vdd_lock);
+	if (!(vdp->vdd_flags & VND_D_LINKED) ||
+	    (vdp->vdd_flags & (VND_D_CONDEMNED | VND_D_ZONE_DYING))) {
+		mutex_exit(&vdp->vdd_lock);
+		vnd_dev_rele(vdp);
+		return (SDEV_VTOR_STALE);
+	}
+
+	if (strcmp(sdev_ctx_name(ctx), vdp->vdd_lname) != 0) {
+		mutex_exit(&vdp->vdd_lock);
+		vnd_dev_rele(vdp);
+		return (SDEV_VTOR_STALE);
+	}
+
+	mutex_exit(&vdp->vdd_lock);
+	vnd_dev_rele(vdp);
+	return (SDEV_VTOR_VALID);
+}
+
+/*
+ * This function is a no-op. sdev never has holds on our devices as they can go
+ * away at any time and specfs has to deal with that fact.
+ */
+static void
+vnd_sdev_inactive(sdev_ctx_t ctx)
+{
+}
+
+static int
+vnd_sdev_fillzone(vnd_pnsd_t *nsp, sdev_ctx_t ctx)
+{
+	int ret;
+	vnd_dev_t *vdp;
+
+	mutex_enter(&nsp->vpnd_lock);
+	for (vdp = list_head(&nsp->vpnd_dev_list); vdp != NULL;
+	    vdp = list_next(&nsp->vpnd_dev_list, vdp)) {
+		mutex_enter(&vdp->vdd_lock);
+		if ((vdp->vdd_flags & VND_D_LINKED) &&
+		    !(vdp->vdd_flags & (VND_D_CONDEMNED | VND_D_ZONE_DYING))) {
+			ret = sdev_plugin_mknod(ctx, vdp->vdd_lname, S_IFCHR,
+			    vdp->vdd_devid);
+			if (ret != 0 && ret != EEXIST) {
+				mutex_exit(&vdp->vdd_lock);
+				mutex_exit(&nsp->vpnd_lock);
+				vnd_nsd_rele(nsp);
+				return (ret);
+			}
+		}
+		mutex_exit(&vdp->vdd_lock);
+	}
+	mutex_exit(&nsp->vpnd_lock);
+
+	return (0);
+}
+
+static int
+vnd_sdev_filldir_root(sdev_ctx_t ctx)
+{
+	zoneid_t zid;
+	vnd_pnsd_t *nsp;
+	int ret;
+
+	zid = getzoneid();
+	nsp = vnd_nsd_lookup(zoneid_to_netstackid(zid));
+	ASSERT(nsp != NULL);
+	ret = vnd_sdev_fillzone(nsp, ctx);
+	vnd_nsd_rele(nsp);
+	if (ret != 0)
+		return (ret);
+
+	/*
+	 * Checking the zone id is not sufficient as the global zone could be
+	 * reaching down into a non-global zone's mounted /dev.
+	 */
+	if (zid == GLOBAL_ZONEID && (sdev_ctx_flags(ctx) & SDEV_CTX_GLOBAL)) {
+		ret = sdev_plugin_mkdir(ctx, "zone");
+		if (ret != 0 && ret != EEXIST)
+			return (ret);
+	}
+
+	/*
+	 * Always add a reference to the control node. There's no need to
+	 * reference it since it always exists and is always what we clone from.
+	 */
+	ret = sdev_plugin_mknod(ctx, "ctl", S_IFCHR,
+	    makedevice(ddi_driver_major(vnd_dip), 0));
+	if (ret != 0 && ret != EEXIST)
+		return (ret);
+
+	return (0);
+}
+
+static int
+vnd_sdev_filldir_zroot(sdev_ctx_t ctx)
+{
+	int ret;
+	vnd_pnsd_t *nsp;
+	zone_t *zonep;
+
+	ASSERT(getzoneid() == GLOBAL_ZONEID);
+	ASSERT(sdev_ctx_flags(ctx) & SDEV_CTX_GLOBAL);
+
+	mutex_enter(&vnd_dev_lock);
+	for (nsp = list_head(&vnd_nsd_list); nsp != NULL;
+	    nsp = list_next(&vnd_nsd_list, nsp)) {
+		mutex_enter(&nsp->vpnd_lock);
+		if (list_is_empty(&nsp->vpnd_dev_list)) {
+			mutex_exit(&nsp->vpnd_lock);
+			continue;
+		}
+		mutex_exit(&nsp->vpnd_lock);
+		zonep = zone_find_by_id(nsp->vpnd_zid);
+		/*
+		 * This zone must be being torn down, so skip it.
+		 */
+		if (zonep == NULL)
+			continue;
+		ret = sdev_plugin_mkdir(ctx, zonep->zone_name);
+		zone_rele(zonep);
+		if (ret != 0 && ret != EEXIST) {
+			mutex_exit(&vnd_dev_lock);
+			return (ret);
+		}
+	}
+	mutex_exit(&vnd_dev_lock);
+	return (0);
+}
+
+static int
+vnd_sdev_filldir(sdev_ctx_t ctx)
+{
+	int ret;
+	vnd_pnsd_t *nsp;
+
+	ASSERT(sdev_ctx_vtype(ctx) == VDIR);
+	if (strcmp(VND_SDEV_ROOT, sdev_ctx_path(ctx)) == 0)
+		return (vnd_sdev_filldir_root(ctx));
+
+	if (strcmp(VND_SDEV_ZROOT, sdev_ctx_path(ctx)) == 0)
+		return (vnd_sdev_filldir_zroot(ctx));
+
+	ASSERT(strncmp(VND_SDEV_ZROOT, sdev_ctx_path(ctx),
+	    strlen(VND_SDEV_ZROOT)) == 0);
+	nsp = vnd_sdev_ctx_to_ns(ctx);
+	if (nsp == NULL)
+		return (0);
+
+	ret = vnd_sdev_fillzone(nsp, ctx);
+	vnd_nsd_rele(nsp);
+
+	return (ret);
+}
+
+static sdev_plugin_ops_t vnd_sdev_ops = {
+	SDEV_PLUGIN_VERSION,
+	SDEV_PLUGIN_SUBDIR,
+	vnd_sdev_validate,
+	vnd_sdev_filldir,
+	vnd_sdev_inactive
+};
+
+static int
+vnd_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
+{
+	int errp = 0;
+
+	if (cmd != DDI_ATTACH)
+		return (DDI_FAILURE);
+
+	/*
+	 * Only allow one instance.
+	 */
+	if (vnd_dip != NULL)
+		return (DDI_FAILURE);
+
+	vnd_dip = dip;
+	if (ddi_create_minor_node(vnd_dip, "vnd", S_IFCHR, 0, DDI_PSEUDO, 0) !=
+	    DDI_SUCCESS) {
+		vnd_dip = NULL;
+		return (DDI_FAILURE);
+	}
+
+	if (ddi_prop_create(DDI_DEV_T_NONE, dip, DDI_PROP_CANSLEEP,
+	    DDI_KERNEL_IOCTL, NULL, 0) != DDI_PROP_SUCCESS) {
+		ddi_remove_minor_node(vnd_dip, NULL);
+		vnd_dip = NULL;
+		return (DDI_FAILURE);
+	}
+
+	vnd_sdev_hdl = sdev_plugin_register(VND_SDEV_NAME, &vnd_sdev_ops,
+	    &errp);
+	if (vnd_sdev_hdl == NULL) {
+		ddi_remove_minor_node(vnd_dip, NULL);
+		ddi_prop_remove_all(vnd_dip);
+		vnd_dip = NULL;
+		return (DDI_FAILURE);
+	}
+
+	vnd_sqset = gsqueue_set_create(GSQUEUE_DEFAULT_WAIT,
+	    GSQUEUE_DEFAULT_PRIORITY);
+
+	return (DDI_SUCCESS);
+}
+
+static int
+vnd_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
+{
+	if (cmd != DDI_DETACH)
+		return (DDI_FAILURE);
+
+	mutex_enter(&vnd_dev_lock);
+	if (!list_is_empty(&vnd_dev_list)) {
+		mutex_exit(&vnd_dev_lock);
+		return (DDI_FAILURE);
+	}
+	mutex_exit(&vnd_dev_lock);
+
+	return (DDI_FAILURE);
+}
+
+static int
+vnd_info(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **result)
+{
+	int error;
+
+	switch (cmd) {
+	case DDI_INFO_DEVT2DEVINFO:
+		*result = (void *)vnd_dip;
+		error = DDI_SUCCESS;
+		break;
+	case DDI_INFO_DEVT2INSTANCE:
+		*result = (void *)0;
+		error = DDI_SUCCESS;
+		break;
+	default:
+		error = DDI_FAILURE;
+		break;
+	}
+	return (error);
+}
+
+
+
+static void
+vnd_ddi_fini(void)
+{
+	netstack_unregister(NS_VND);
+	if (vnd_taskq != NULL)
+		taskq_destroy(vnd_taskq);
+	if (vnd_str_cache != NULL)
+		kmem_cache_destroy(vnd_str_cache);
+	if (vnd_dev_cache != NULL)
+		kmem_cache_destroy(vnd_dev_cache);
+	if (vnd_pnsd_cache != NULL)
+		kmem_cache_destroy(vnd_pnsd_cache);
+	if (vnd_minors != NULL)
+		id_space_destroy(vnd_minors);
+	if (vnd_list_init != 0) {
+		list_destroy(&vnd_nsd_list);
+		list_destroy(&vnd_dev_list);
+		mutex_destroy(&vnd_dev_lock);
+		vnd_list_init = 0;
+	}
+	frameio_fini();
+}
+
+static int
+vnd_ddi_init(void)
+{
+	if (frameio_init() != 0)
+		return (DDI_FAILURE);
+
+	vnd_str_cache = kmem_cache_create("vnd_str_cache", sizeof (vnd_str_t),
+	    0, NULL, NULL, NULL, NULL, NULL, 0);
+	if (vnd_str_cache == NULL) {
+		frameio_fini();
+		return (DDI_FAILURE);
+	}
+	vnd_dev_cache = kmem_cache_create("vnd_dev_cache", sizeof (vnd_dev_t),
+	    0, NULL, NULL, NULL, NULL, NULL, 0);
+	if (vnd_dev_cache == NULL) {
+		kmem_cache_destroy(vnd_str_cache);
+		frameio_fini();
+		return (DDI_FAILURE);
+	}
+	vnd_pnsd_cache = kmem_cache_create("vnd_pnsd_cache",
+	    sizeof (vnd_pnsd_t), 0, NULL, NULL, NULL, NULL, NULL, 0);
+	if (vnd_pnsd_cache == NULL) {
+		kmem_cache_destroy(vnd_dev_cache);
+		kmem_cache_destroy(vnd_str_cache);
+		frameio_fini();
+		return (DDI_FAILURE);
+	}
+
+	vnd_taskq = taskq_create_instance("vnd", -1, 1, minclsyspri, 0, 0, 0);
+	if (vnd_taskq == NULL) {
+		kmem_cache_destroy(vnd_pnsd_cache);
+		kmem_cache_destroy(vnd_dev_cache);
+		kmem_cache_destroy(vnd_str_cache);
+		frameio_fini();
+		return (DDI_FAILURE);
+	}
+
+	vnd_minors = id_space_create("vnd_minors", 1, INT32_MAX);
+	if (vnd_minors == NULL) {
+		taskq_destroy(vnd_taskq);
+		kmem_cache_destroy(vnd_pnsd_cache);
+		kmem_cache_destroy(vnd_dev_cache);
+		kmem_cache_destroy(vnd_str_cache);
+		frameio_fini();
+		return (DDI_FAILURE);
+	}
+
+	mutex_init(&vnd_dev_lock, NULL, MUTEX_DRIVER, NULL);
+	list_create(&vnd_dev_list, sizeof (vnd_dev_t),
+	    offsetof(vnd_dev_t, vdd_link));
+	list_create(&vnd_nsd_list, sizeof (vnd_pnsd_t),
+	    offsetof(vnd_pnsd_t, vpnd_link));
+	vnd_list_init = 1;
+
+	netstack_register(NS_VND, vnd_stack_init, vnd_stack_shutdown,
+	    vnd_stack_destroy);
+
+	return (DDI_SUCCESS);
+}
+
+static struct module_info vnd_minfo = {
+	0,		/* module id */
+	"vnd",		/* module name */
+	1,		/* smallest packet size */
+	INFPSZ,		/* largest packet size (infinite) */
+	1,		/* high watermark */
+	0		/* low watermark */
+};
+
+static struct qinit vnd_r_qinit = {
+	vnd_s_rput,
+	NULL,
+	vnd_s_open,
+	vnd_s_close,
+	NULL,
+	&vnd_minfo,
+	NULL
+};
+
+static struct qinit vnd_w_qinit = {
+	vnd_s_wput,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	&vnd_minfo,
+	NULL
+};
+
+static struct streamtab vnd_strtab = {
+	&vnd_r_qinit,
+	&vnd_w_qinit,
+	NULL,
+	NULL
+};
+
+
+static struct cb_ops vnd_cb_ops = {
+	vnd_open,		/* open */
+	vnd_close,		/* close */
+	nulldev,		/* strategy */
+	nulldev,		/* print */
+	nodev,			/* dump */
+	vnd_read,		/* read */
+	vnd_write,		/* write */
+	vnd_ioctl,		/* ioctl */
+	nodev,			/* devmap */
+	nodev,			/* mmap */
+	nodev,			/* segmap */
+	vnd_chpoll,		/* poll */
+	ddi_prop_op,		/* cb_prop_op */
+	NULL,			/* streamtab  */
+	D_MP			/* Driver compatibility flag */
+};
+
+static struct dev_ops vnd_dev_ops = {
+	DEVO_REV,		/* devo_rev */
+	0,			/* refcnt */
+	vnd_info,		/* get_dev_info */
+	nulldev,		/* identify */
+	nulldev,		/* probe */
+	vnd_attach,		/* attach */
+	vnd_detach,		/* detach */
+	nodev,			/* reset */
+	&vnd_cb_ops,		/* driver operations */
+	NULL,			/* bus operations */
+	nodev,			/* dev power */
+	ddi_quiesce_not_needed	/* quiesce */
+};
+
+static struct modldrv vnd_modldrv = {
+	&mod_driverops,
+	"Virtual Networking Datapath Driver",
+	&vnd_dev_ops
+};
+
+static struct fmodsw vnd_fmodfsw = {
+	"vnd",
+	&vnd_strtab,
+	D_NEW | D_MP
+};
+
+static struct modlstrmod vnd_modlstrmod = {
+	&mod_strmodops,
+	"Virtual Networking Datapath Driver",
+	&vnd_fmodfsw
+};
+
+static struct modlinkage vnd_modlinkage = {
+	MODREV_1,
+	&vnd_modldrv,
+	&vnd_modlstrmod,
+	NULL
+};
+
+int
+_init(void)
+{
+	int error;
+
+	/*
+	 * We need to do all of our global initialization in init as opposed to
+	 * attach and detach. The problem here is that because vnd can be used
+	 * from a stream context while being detached, we can not rely on having
+	 * run attach to create everything, alas. so it goes in _init, just like
+	 * our friend ip.
+	 */
+	if ((error = vnd_ddi_init()) != DDI_SUCCESS)
+		return (error);
+	error = mod_install((&vnd_modlinkage));
+	if (error != 0)
+		vnd_ddi_fini();
+	return (error);
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&vnd_modlinkage, modinfop));
+}
+
+int
+_fini(void)
+{
+	int error;
+
+	error = mod_remove(&vnd_modlinkage);
+	if (error == 0)
+		vnd_ddi_fini();
+	return (error);
+}
diff --git a/usr/src/uts/common/io/vnd/vnd.conf b/usr/src/uts/common/io/vnd/vnd.conf
new file mode 100644
index 0000000000..65872e1ddf
--- /dev/null
+++ b/usr/src/uts/common/io/vnd/vnd.conf
@@ -0,0 +1,16 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+#
+
+name="vnd" parent="pseudo" instance=0;
diff --git a/usr/src/uts/common/io/vnic/vnic_dev.c b/usr/src/uts/common/io/vnic/vnic_dev.c
index 4615f00e51..c183a9c4f5 100644
--- a/usr/src/uts/common/io/vnic/vnic_dev.c
+++ b/usr/src/uts/common/io/vnic/vnic_dev.c
@@ -52,6 +52,7 @@
 #include <sys/vlan.h>
 #include <sys/vnic.h>
 #include <sys/vnic_impl.h>
+#include <sys/mac_impl.h>
 #include <sys/mac_flow_impl.h>
 #include <inet/ip_impl.h>
 
@@ -1059,6 +1060,18 @@ vnic_m_setprop(void *m_driver, const char *pr_name, mac_prop_id_t pr_num,
 		err = mac_maxsdu_update(vn->vn_mh, mtu);
 		break;
 	}
+	case MAC_PROP_VN_PROMISC_FILTERED: {
+		boolean_t filtered;
+
+		if (pr_valsize < sizeof (filtered)) {
+			err = EINVAL;
+			break;
+		}
+
+		bcopy(pr_val, &filtered, sizeof (filtered));
+		mac_set_promisc_filtered(vn->vn_mch, filtered);
+		break;
+	}
 	case MAC_PROP_SECONDARY_ADDRS: {
 		mac_secondary_addr_t msa;
 
@@ -1080,8 +1093,14 @@ vnic_m_getprop(void *arg, const char *pr_name, mac_prop_id_t pr_num,
 {
 	vnic_t		*vn = arg;
 	int 		ret = 0;
+	boolean_t	out;
 
 	switch (pr_num) {
+	case MAC_PROP_VN_PROMISC_FILTERED:
+		out = mac_get_promisc_filtered(vn->vn_mch);
+		ASSERT(pr_valsize >= sizeof (boolean_t));
+		bcopy(&out, pr_val, sizeof (boolean_t));
+		break;
 	case MAC_PROP_SECONDARY_ADDRS:
 		ret = vnic_get_secondary_macs(vn, pr_valsize, pr_val);
 		break;
diff --git a/usr/src/uts/common/io/zfd.c b/usr/src/uts/common/io/zfd.c
new file mode 100644
index 0000000000..3edaa62bbe
--- /dev/null
+++ b/usr/src/uts/common/io/zfd.c
@@ -0,0 +1,844 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Zone File Descriptor Driver.
+ *
+ * This driver is derived from the zcons driver which is in turn derived from
+ * the pts/ptm drivers. The purpose is to expose file descriptors within the
+ * zone which are connected to zoneadmd and used for logging or an interactive
+ * connection to a process within the zone.
+ *
+ * Its implementation is straightforward. Each instance of the driver
+ * represents a global-zone/local-zone pair. Unlike the zcons device, zoneadmd
+ * uses these devices unidirectionally to provide stdin, stdout and stderr to
+ * the process within the zone.
+ *
+ * Instances of zfd are onlined as children of /pseudo/zfdnex@2/ by zoneadmd,
+ * using the devctl framework; thus the driver does not need to maintain any
+ * sort of "admin" node.
+ *
+ * The driver shuttles I/O from master side to slave side and back.  In a break
+ * from the pts/ptm semantics, if one side is not open, I/O directed towards
+ * it will simply be discarded. This is so that if zoneadmd is not holding the
+ * master side fd open (i.e. it has died somehow), processes in the zone do not
+ * experience any errors and I/O to the fd does not cause the process to hang.
+ */
+
+#include <sys/types.h>
+#include <sys/cmn_err.h>
+#include <sys/conf.h>
+#include <sys/cred.h>
+#include <sys/ddi.h>
+#include <sys/debug.h>
+#include <sys/devops.h>
+#include <sys/errno.h>
+#include <sys/file.h>
+#include <sys/kstr.h>
+#include <sys/modctl.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <sys/stream.h>
+#include <sys/stropts.h>
+#include <sys/strsun.h>
+#include <sys/sunddi.h>
+#include <sys/sysmacros.h>
+#include <sys/systm.h>
+#include <sys/types.h>
+#include <sys/zfd.h>
+#include <sys/vnode.h>
+#include <sys/fs/snode.h>
+#include <sys/zone.h>
+
+static int zfd_getinfo(dev_info_t *, ddi_info_cmd_t, void *, void **);
+static int zfd_attach(dev_info_t *, ddi_attach_cmd_t);
+static int zfd_detach(dev_info_t *, ddi_detach_cmd_t);
+
+static int zfd_open(queue_t *, dev_t *, int, int, cred_t *);
+static int zfd_close(queue_t *, int, cred_t *);
+static void zfd_wput(queue_t *, mblk_t *);
+static void zfd_rsrv(queue_t *);
+static void zfd_wsrv(queue_t *);
+
+/*
+ * The instance number is encoded in the dev_t in the minor number; the lowest
+ * bit of the minor number is used to track the master vs. slave side of the
+ * fd. The rest of the bits in the minor number are the instance.
+ */
+#define	ZFD_MASTER_MINOR		0
+#define	ZFD_SLAVE_MINOR		1
+
+#define	ZFD_INSTANCE(x)		(getminor((x)) >> 1)
+#define	ZFD_NODE(x)		(getminor((x)) & 0x01)
+
+/*
+ * This macro converts a zfd_state_t pointer to the associated slave minor
+ * node's dev_t.
+ */
+#define	ZFD_STATE_TO_SLAVEDEV(x)	\
+	(makedevice(ddi_driver_major((x)->zfd_devinfo), \
+	(minor_t)(ddi_get_instance((x)->zfd_devinfo) << 1 | ZFD_SLAVE_MINOR)))
+
+int zfd_debug = 0;
+#define	DBG(a)		if (zfd_debug) cmn_err(CE_NOTE, a)
+#define	DBG1(a, b)	if (zfd_debug) cmn_err(CE_NOTE, a, b)
+
+/*
+ * ZFD Pseudo Terminal Module: stream data structure definitions,
+ * based on zcons.
+ */
+static struct module_info zfd_info = {
+	0x20FD,	/* ZOFD - 8445 */
+	"zfd",
+	0,		/* min packet size */
+	INFPSZ,		/* max packet size - infinity */
+	2048,		/* high water */
+	128		/* low water */
+};
+
+static struct qinit zfd_rinit = {
+	NULL,
+	(int (*)()) zfd_rsrv,
+	zfd_open,
+	zfd_close,
+	NULL,
+	&zfd_info,
+	NULL
+};
+
+static struct qinit zfd_winit = {
+	(int (*)()) zfd_wput,
+	(int (*)()) zfd_wsrv,
+	NULL,
+	NULL,
+	NULL,
+	&zfd_info,
+	NULL
+};
+
+static struct streamtab zfd_tab_info = {
+	&zfd_rinit,
+	&zfd_winit,
+	NULL,
+	NULL
+};
+
+#define	ZFD_CONF_FLAG	(D_MP | D_MTQPAIR | D_MTOUTPERIM | D_MTOCEXCL)
+
+/*
+ * this will define (struct cb_ops cb_zfd_ops) and (struct dev_ops zfd_ops)
+ */
+DDI_DEFINE_STREAM_OPS(zfd_ops, nulldev, nulldev, zfd_attach, zfd_detach, \
+	nodev, zfd_getinfo, ZFD_CONF_FLAG, &zfd_tab_info, \
+	ddi_quiesce_not_needed);
+
+/*
+ * Module linkage information for the kernel.
+ */
+
+static struct modldrv modldrv = {
+	&mod_driverops, 	/* Type of module (this is a pseudo driver) */
+	"Zone FD driver",	/* description of module */
+	&zfd_ops		/* driver ops */
+};
+
+static struct modlinkage modlinkage = {
+	MODREV_1,
+	&modldrv,
+	NULL
+};
+
+typedef struct zfd_state {
+	dev_info_t *zfd_devinfo;
+	queue_t *zfd_master_rdq;
+	queue_t *zfd_slave_rdq;
+	vnode_t *zfd_slave_vnode;
+	int zfd_state;
+	int zfd_tty;
+} zfd_state_t;
+
+#define	ZFD_STATE_MOPEN	0x01
+#define	ZFD_STATE_SOPEN	0x02
+
+static void *zfd_soft_state;
+
+/*
+ * List of STREAMS modules that is pushed onto a slave instance after the
+ * ZFD_MAKETTY ioctl has been received.
+ */
+static char *zfd_mods[] = {
+	"ptem",
+	"ldterm",
+	"ttcompat",
+	NULL
+};
+
+int
+_init(void)
+{
+	int err;
+
+	if ((err = ddi_soft_state_init(&zfd_soft_state, sizeof (zfd_state_t),
+	    0)) != 0) {
+		return (err);
+	}
+
+	if ((err = mod_install(&modlinkage)) != 0)
+		ddi_soft_state_fini(zfd_soft_state);
+
+	return (err);
+}
+
+
+int
+_fini(void)
+{
+	int err;
+
+	if ((err = mod_remove(&modlinkage)) != 0) {
+		return (err);
+	}
+
+	ddi_soft_state_fini(&zfd_soft_state);
+	return (0);
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+	return (mod_info(&modlinkage, modinfop));
+}
+
+static int
+zfd_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
+{
+	zfd_state_t *zfds;
+	int instance;
+	char masternm[ZFD_NAME_LEN], slavenm[ZFD_NAME_LEN];
+
+	if (cmd != DDI_ATTACH)
+		return (DDI_FAILURE);
+
+	instance = ddi_get_instance(dip);
+	if (ddi_soft_state_zalloc(zfd_soft_state, instance) != DDI_SUCCESS)
+		return (DDI_FAILURE);
+
+	(void) snprintf(masternm, sizeof (masternm), "%s%d", ZFD_MASTER_NAME,
+	    instance);
+	(void) snprintf(slavenm, sizeof (slavenm), "%s%d", ZFD_SLAVE_NAME,
+	    instance);
+
+	/*
+	 * Create the master and slave minor nodes.
+	 */
+	if ((ddi_create_minor_node(dip, slavenm, S_IFCHR,
+	    instance << 1 | ZFD_SLAVE_MINOR, DDI_PSEUDO, 0) == DDI_FAILURE) ||
+	    (ddi_create_minor_node(dip, masternm, S_IFCHR,
+	    instance << 1 | ZFD_MASTER_MINOR, DDI_PSEUDO, 0) == DDI_FAILURE)) {
+		ddi_remove_minor_node(dip, NULL);
+		ddi_soft_state_free(zfd_soft_state, instance);
+		return (DDI_FAILURE);
+	}
+
+	VERIFY((zfds = ddi_get_soft_state(zfd_soft_state, instance)) != NULL);
+	zfds->zfd_devinfo = dip;
+	zfds->zfd_tty = 0;
+	return (DDI_SUCCESS);
+}
+
+static int
+zfd_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
+{
+	zfd_state_t *zfds;
+	int instance;
+
+	if (cmd != DDI_DETACH)
+		return (DDI_FAILURE);
+
+	instance = ddi_get_instance(dip);
+	if ((zfds = ddi_get_soft_state(zfd_soft_state, instance)) == NULL)
+		return (DDI_FAILURE);
+
+	if ((zfds->zfd_state & ZFD_STATE_MOPEN) ||
+	    (zfds->zfd_state & ZFD_STATE_SOPEN)) {
+		DBG1("zfd_detach: device (dip=%p) still open\n", (void *)dip);
+		return (DDI_FAILURE);
+	}
+
+	ddi_remove_minor_node(dip, NULL);
+	ddi_soft_state_free(zfd_soft_state, instance);
+
+	return (DDI_SUCCESS);
+}
+
+/*
+ * zfd_getinfo()
+ *	getinfo(9e) entrypoint.
+ */
+/*ARGSUSED*/
+static int
+zfd_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result)
+{
+	zfd_state_t *zfds;
+	int instance = ZFD_INSTANCE((dev_t)arg);
+
+	switch (infocmd) {
+	case DDI_INFO_DEVT2DEVINFO:
+		if ((zfds = ddi_get_soft_state(zfd_soft_state,
+		    instance)) == NULL)
+			return (DDI_FAILURE);
+		*result = zfds->zfd_devinfo;
+		return (DDI_SUCCESS);
+	case DDI_INFO_DEVT2INSTANCE:
+		*result = (void *)(uintptr_t)instance;
+		return (DDI_SUCCESS);
+	}
+	return (DDI_FAILURE);
+}
+
+/*
+ * Return the equivalent queue from the other side of the relationship.
+ * e.g.: given the slave's write queue, return the master's write queue.
+ */
+static queue_t *
+zfd_switch(queue_t *qp)
+{
+	zfd_state_t *zfds = qp->q_ptr;
+	ASSERT(zfds != NULL);
+
+	if (qp == zfds->zfd_master_rdq)
+		return (zfds->zfd_slave_rdq);
+	else if (OTHERQ(qp) == zfds->zfd_master_rdq && zfds->zfd_slave_rdq
+	    != NULL)
+		return (OTHERQ(zfds->zfd_slave_rdq));
+	else if (qp == zfds->zfd_slave_rdq)
+		return (zfds->zfd_master_rdq);
+	else if (OTHERQ(qp) == zfds->zfd_slave_rdq && zfds->zfd_master_rdq
+	    != NULL)
+		return (OTHERQ(zfds->zfd_master_rdq));
+	else
+		return (NULL);
+}
+
+/*
+ * For debugging and outputting messages.  Returns the name of the side of
+ * the relationship associated with this queue.
+ */
+static const char *
+zfd_side(queue_t *qp)
+{
+	zfd_state_t *zfds = qp->q_ptr;
+	ASSERT(zfds != NULL);
+
+	if (qp == zfds->zfd_master_rdq ||
+	    OTHERQ(qp) == zfds->zfd_master_rdq) {
+		return ("master");
+	}
+	ASSERT(qp == zfds->zfd_slave_rdq || OTHERQ(qp) == zfds->zfd_slave_rdq);
+	return ("slave");
+}
+
+/*ARGSUSED*/
+static int
+zfd_master_open(zfd_state_t *zfds,
+    queue_t	*rqp,	/* pointer to the read side queue */
+    dev_t	*devp,	/* pointer to stream tail's dev */
+    int		oflag,	/* the user open(2) supplied flags */
+    int		sflag,	/* open state flag */
+    cred_t	*credp)	/* credentials */
+{
+	mblk_t *mop;
+	struct stroptions *sop;
+
+	/*
+	 * Enforce exclusivity on the master side; the only consumer should
+	 * be the zoneadmd for the zone.
+	 */
+	if ((zfds->zfd_state & ZFD_STATE_MOPEN) != 0)
+		return (EBUSY);
+
+	if ((mop = allocb(sizeof (struct stroptions), BPRI_MED)) == NULL) {
+		DBG("zfd_master_open(): mop allocation failed\n");
+		return (ENOMEM);
+	}
+
+	zfds->zfd_state |= ZFD_STATE_MOPEN;
+
+	/*
+	 * q_ptr stores driver private data; stash the soft state data on both
+	 * read and write sides of the queue.
+	 */
+	WR(rqp)->q_ptr = rqp->q_ptr = zfds;
+	qprocson(rqp);
+
+	/*
+	 * Following qprocson(), the master side is fully plumbed into the
+	 * STREAM and may send/receive messages.  Setting zfds->zfd_master_rdq
+	 * will allow the slave to send messages to us (the master).
+	 * This cannot occur before qprocson() because the master is not
+	 * ready to process them until that point.
+	 */
+	zfds->zfd_master_rdq = rqp;
+
+	/*
+	 * set up hi/lo water marks on stream head read queue and add
+	 * controlling tty as needed.
+	 */
+	mop->b_datap->db_type = M_SETOPTS;
+	mop->b_wptr += sizeof (struct stroptions);
+	sop = (struct stroptions *)(void *)mop->b_rptr;
+	if (oflag & FNOCTTY)
+		sop->so_flags = SO_HIWAT | SO_LOWAT;
+	else
+		sop->so_flags = SO_HIWAT | SO_LOWAT | SO_ISTTY;
+	sop->so_hiwat = 512;
+	sop->so_lowat = 256;
+	putnext(rqp, mop);
+
+	return (0);
+}
+
+/*ARGSUSED*/
+static int
+zfd_slave_open(zfd_state_t *zfds,
+    queue_t	*rqp,	/* pointer to the read side queue */
+    dev_t	*devp,	/* pointer to stream tail's dev */
+    int		oflag,	/* the user open(2) supplied flags */
+    int		sflag,	/* open state flag */
+    cred_t	*credp)	/* credentials */
+{
+	mblk_t *mop;
+	struct stroptions *sop;
+	/*
+	 * The slave side can be opened as many times as needed.
+	 */
+	if ((zfds->zfd_state & ZFD_STATE_SOPEN) != 0) {
+		ASSERT((rqp != NULL) && (WR(rqp)->q_ptr == zfds));
+		return (0);
+	}
+
+	if (zfds->zfd_tty == 1) {
+		major_t major;
+		minor_t minor;
+		minor_t lastminor;
+		uint_t anchorindex;
+
+		/*
+		 * Set up sad(7D) so that the necessary STREAMS modules will
+		 * be in place.  A wrinkle is that 'ptem' must be anchored
+		 * in place (see streamio(7i)) because we always want the
+		 * fd to have terminal semantics.
+		 */
+		minor =
+		    ddi_get_instance(zfds->zfd_devinfo) << 1 | ZFD_SLAVE_MINOR;
+		major = ddi_driver_major(zfds->zfd_devinfo);
+		lastminor = 0;
+		anchorindex = 1;
+		if (kstr_autopush(SET_AUTOPUSH, &major, &minor, &lastminor,
+		    &anchorindex, zfd_mods) != 0) {
+			DBG("zfd_slave_open(): kstr_autopush() failed\n");
+			return (EIO);
+		}
+	}
+
+	if ((mop = allocb(sizeof (struct stroptions), BPRI_MED)) == NULL) {
+		DBG("zfd_slave_open(): mop allocation failed\n");
+		return (ENOMEM);
+	}
+
+	zfds->zfd_state |= ZFD_STATE_SOPEN;
+
+	/*
+	 * q_ptr stores driver private data; stash the soft state data on both
+	 * read and write sides of the queue.
+	 */
+	WR(rqp)->q_ptr = rqp->q_ptr = zfds;
+
+	qprocson(rqp);
+
+	/*
+	 * Must follow qprocson(), since we aren't ready to process until then.
+	 */
+	zfds->zfd_slave_rdq = rqp;
+
+	/*
+	 * set up hi/lo water marks on stream head read queue and add
+	 * controlling tty as needed.
+	 */
+	mop->b_datap->db_type = M_SETOPTS;
+	mop->b_wptr += sizeof (struct stroptions);
+	sop = (struct stroptions *)(void *)mop->b_rptr;
+	sop->so_flags = SO_HIWAT | SO_LOWAT | SO_ISTTY;
+	sop->so_hiwat = 512;
+	sop->so_lowat = 256;
+	putnext(rqp, mop);
+
+	return (0);
+}
+
+/*
+ * open(9e) entrypoint; checks sflag, and rejects anything unordinary.
+ */
+static int
+zfd_open(queue_t *rqp,		/* pointer to the read side queue */
+	dev_t   *devp,		/* pointer to stream tail's dev */
+	int	oflag,		/* the user open(2) supplied flags */
+	int	sflag,		/* open state flag */
+	cred_t  *credp)		/* credentials */
+{
+	int instance = ZFD_INSTANCE(*devp);
+	int ret;
+	zfd_state_t *zfds;
+
+	if (sflag != 0)
+		return (EINVAL);
+
+	if ((zfds = ddi_get_soft_state(zfd_soft_state, instance)) == NULL)
+		return (ENXIO);
+
+	switch (ZFD_NODE(*devp)) {
+	case ZFD_MASTER_MINOR:
+		ret = zfd_master_open(zfds, rqp, devp, oflag, sflag, credp);
+		break;
+	case ZFD_SLAVE_MINOR:
+		ret = zfd_slave_open(zfds, rqp, devp, oflag, sflag, credp);
+		break;
+	default:
+		ret = ENXIO;
+		break;
+	}
+
+	return (ret);
+}
+
+/*
+ * close(9e) entrypoint.
+ */
+/*ARGSUSED1*/
+static int
+zfd_close(queue_t *rqp, int flag, cred_t *credp)
+{
+	queue_t *wqp;
+	mblk_t	*bp;
+	zfd_state_t *zfds;
+	major_t major;
+	minor_t minor;
+
+	zfds = (zfd_state_t *)rqp->q_ptr;
+
+	if (rqp == zfds->zfd_master_rdq) {
+		DBG("Closing master side");
+
+		zfds->zfd_master_rdq = NULL;
+		zfds->zfd_state &= ~ZFD_STATE_MOPEN;
+
+		/*
+		 * qenable slave side write queue so that it can flush
+		 * its messages as master's read queue is going away
+		 */
+		if (zfds->zfd_slave_rdq != NULL) {
+			qenable(WR(zfds->zfd_slave_rdq));
+		}
+
+		qprocsoff(rqp);
+		WR(rqp)->q_ptr = rqp->q_ptr = NULL;
+
+	} else if (rqp == zfds->zfd_slave_rdq) {
+
+		DBG("Closing slave side");
+		zfds->zfd_state &= ~ZFD_STATE_SOPEN;
+		zfds->zfd_slave_rdq = NULL;
+
+		wqp = WR(rqp);
+		while ((bp = getq(wqp)) != NULL) {
+			if (zfds->zfd_master_rdq != NULL)
+				putnext(zfds->zfd_master_rdq, bp);
+			else if (bp->b_datap->db_type == M_IOCTL)
+				miocnak(wqp, bp, 0, 0);
+			else
+				freemsg(bp);
+		}
+
+		/*
+		 * Qenable master side write queue so that it can flush its
+		 * messages as slaves's read queue is going away.
+		 */
+		if (zfds->zfd_master_rdq != NULL)
+			qenable(WR(zfds->zfd_master_rdq));
+
+		qprocsoff(rqp);
+		WR(rqp)->q_ptr = rqp->q_ptr = NULL;
+
+		if (zfds->zfd_tty == 1) {
+			/*
+			 * Clear the sad configuration so that reopening
+			 * doesn't fail to set up sad configuration.
+			 */
+			major = ddi_driver_major(zfds->zfd_devinfo);
+			minor = ddi_get_instance(zfds->zfd_devinfo) << 1 |
+			    ZFD_SLAVE_MINOR;
+			(void) kstr_autopush(CLR_AUTOPUSH, &major, &minor,
+			    NULL, NULL, NULL);
+		}
+	}
+
+	return (0);
+}
+
+static void
+handle_mflush(queue_t *qp, mblk_t *mp)
+{
+	mblk_t *nmp;
+	DBG1("M_FLUSH on %s side", zfd_side(qp));
+
+	if (*mp->b_rptr & FLUSHW) {
+		DBG1("M_FLUSH, FLUSHW, %s side", zfd_side(qp));
+		flushq(qp, FLUSHDATA);
+		*mp->b_rptr &= ~FLUSHW;
+		if ((*mp->b_rptr & FLUSHR) == 0) {
+			/*
+			 * FLUSHW only. Change to FLUSHR and putnext other side,
+			 * then we are done.
+			 */
+			*mp->b_rptr |= FLUSHR;
+			if (zfd_switch(RD(qp)) != NULL) {
+				putnext(zfd_switch(RD(qp)), mp);
+				return;
+			}
+		} else if ((zfd_switch(RD(qp)) != NULL) &&
+		    (nmp = copyb(mp)) != NULL) {
+			/*
+			 * It is a FLUSHRW; we copy the mblk and send
+			 * it to the other side, since we still need to use
+			 * the mblk in FLUSHR processing, below.
+			 */
+			putnext(zfd_switch(RD(qp)), nmp);
+		}
+	}
+
+	if (*mp->b_rptr & FLUSHR) {
+		DBG("qreply(qp) turning FLUSHR around\n");
+		qreply(qp, mp);
+		return;
+	}
+	freemsg(mp);
+}
+
+/*
+ * wput(9E) is symmetric for master and slave sides, so this handles both
+ * without splitting the codepath.  (The only exception to this is the
+ * processing of zfd ioctls, which is restricted to the master side.)
+ *
+ * zfd_wput() looks at the other side; if there is no process holding that
+ * side open, it frees the message.  This prevents processes from hanging
+ * if no one is holding open the fd.  Otherwise, it putnext's high
+ * priority messages, putnext's normal messages if possible, and otherwise
+ * enqueues the messages; in the case that something is enqueued, wsrv(9E)
+ * will take care of eventually shuttling I/O to the other side.
+ */
+static void
+zfd_wput(queue_t *qp, mblk_t *mp)
+{
+	unsigned char type = mp->b_datap->db_type;
+	zfd_state_t *zfds;
+	struct iocblk *iocbp;
+
+	ASSERT(qp->q_ptr);
+
+	DBG1("entering zfd_wput, %s side", zfd_side(qp));
+
+	/*
+	 * Process zfd ioctl messages if qp is the master side's write queue.
+	 */
+	zfds = (zfd_state_t *)qp->q_ptr;
+	if (zfds->zfd_master_rdq != NULL && qp == WR(zfds->zfd_master_rdq) &&
+	    type == M_IOCTL) {
+		iocbp = (struct iocblk *)(void *)mp->b_rptr;
+		switch (iocbp->ioc_cmd) {
+		case ZFD_MAKETTY:
+			/*
+			 * The process that passed the ioctl must be running in
+			 * the global zone.
+			 */
+			if (crgetzoneid(iocbp->ioc_cr) != GLOBAL_ZONEID) {
+				miocack(qp, mp, 0, EINVAL);
+				return;
+			}
+			zfds->zfd_tty = 1;
+			miocack(qp, mp, 0, 0);
+			return;
+		case ZFD_EOF:
+			/*
+			 * The process that passed the ioctl must be running in
+			 * the global zone.
+			 */
+			if (crgetzoneid(iocbp->ioc_cr) != GLOBAL_ZONEID) {
+				miocack(qp, mp, 0, EINVAL);
+				return;
+			}
+			if (zfds->zfd_slave_rdq != NULL)
+				(void) putnextctl(zfds->zfd_slave_rdq,
+				    M_HANGUP);
+			miocack(qp, mp, 0, 0);
+			return;
+		case ZFD_HAS_SLAVE:
+			/*
+			 * The process that passed the ioctl must be running in
+			 * the global zone.
+			 */
+			if (crgetzoneid(iocbp->ioc_cr) != GLOBAL_ZONEID) {
+				miocack(qp, mp, 0, EINVAL);
+				return;
+			}
+			if ((zfds->zfd_state & ZFD_STATE_SOPEN) != 0) {
+				miocack(qp, mp, 0, 0);
+			} else {
+				miocack(qp, mp, 0, ENOTTY);
+			}
+			return;
+		default:
+			break;
+		}
+	}
+
+	if (zfd_switch(RD(qp)) == NULL) {
+		DBG1("wput to %s side (no one listening)", zfd_side(qp));
+		switch (type) {
+		case M_FLUSH:
+			handle_mflush(qp, mp);
+			break;
+		case M_IOCTL:
+			miocnak(qp, mp, 0, 0);
+			break;
+		default:
+			freemsg(mp);
+			break;
+		}
+		return;
+	}
+
+	if (type >= QPCTL) {
+		DBG1("(hipri) wput, %s side", zfd_side(qp));
+		switch (type) {
+		case M_READ:		/* supposedly from ldterm? */
+			DBG("zfd_wput: tossing M_READ\n");
+			freemsg(mp);
+			break;
+		case M_FLUSH:
+			handle_mflush(qp, mp);
+			break;
+		default:
+			/*
+			 * Put this to the other side.
+			 */
+			ASSERT(zfd_switch(RD(qp)) != NULL);
+			putnext(zfd_switch(RD(qp)), mp);
+			break;
+		}
+		DBG1("done (hipri) wput, %s side", zfd_side(qp));
+		return;
+	}
+
+	/*
+	 * Only putnext if there isn't already something in the queue.
+	 * otherwise things would wind up out of order.
+	 */
+	if (qp->q_first == NULL &&
+	    bcanputnext(RD(zfd_switch(qp)), mp->b_band)) {
+		DBG("wput: putting message to other side\n");
+		putnext(RD(zfd_switch(qp)), mp);
+	} else {
+		DBG("wput: putting msg onto queue\n");
+		(void) putq(qp, mp);
+	}
+	DBG1("done wput, %s side", zfd_side(qp));
+}
+
+/*
+ * rsrv(9E) is symmetric for master and slave, so zfd_rsrv() handles both
+ * without splitting up the codepath.
+ *
+ * Enable the write side of the partner.  This triggers the partner to send
+ * messages queued on its write side to this queue's read side.
+ */
+static void
+zfd_rsrv(queue_t *qp)
+{
+	zfd_state_t *zfds;
+	zfds = (zfd_state_t *)qp->q_ptr;
+
+	/*
+	 * Care must be taken here, as either of the master or slave side
+	 * qptr could be NULL.
+	 */
+	ASSERT(qp == zfds->zfd_master_rdq || qp == zfds->zfd_slave_rdq);
+	if (zfd_switch(qp) == NULL) {
+		DBG("zfd_rsrv: other side isn't listening\n");
+		return;
+	}
+	qenable(WR(zfd_switch(qp)));
+}
+
+/*
+ * This routine is symmetric for master and slave, so it handles both without
+ * splitting up the codepath.
+ *
+ * If there are messages on this queue that can be sent to the other, send
+ * them via putnext(). Else, if queued messages cannot be sent, leave them
+ * on this queue.
+ */
+static void
+zfd_wsrv(queue_t *qp)
+{
+	mblk_t *mp;
+
+	DBG1("zfd_wsrv master (%s) side", zfd_side(qp));
+
+	/*
+	 * Partner has no read queue, so take the data, and throw it away.
+	 */
+	if (zfd_switch(RD(qp)) == NULL) {
+		DBG("zfd_wsrv: other side isn't listening");
+		while ((mp = getq(qp)) != NULL) {
+			if (mp->b_datap->db_type == M_IOCTL)
+				miocnak(qp, mp, 0, 0);
+			else
+				freemsg(mp);
+		}
+		flushq(qp, FLUSHALL);
+		return;
+	}
+
+	/*
+	 * while there are messages on this write queue...
+	 */
+	while ((mp = getq(qp)) != NULL) {
+		/*
+		 * Due to the way zfd_wput is implemented, we should never
+		 * see a control message here.
+		 */
+		ASSERT(mp->b_datap->db_type < QPCTL);
+
+		if (bcanputnext(RD(zfd_switch(qp)), mp->b_band)) {
+			DBG("wsrv: send message to other side\n");
+			putnext(RD(zfd_switch(qp)), mp);
+		} else {
+			DBG("wsrv: putting msg back on queue\n");
+			(void) putbq(qp, mp);
+			break;
+		}
+	}
+}
diff --git a/usr/src/uts/common/krtld/bootrd.c b/usr/src/uts/common/krtld/bootrd.c
index 08e5d98c09..35ad67da96 100644
--- a/usr/src/uts/common/krtld/bootrd.c
+++ b/usr/src/uts/common/krtld/bootrd.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2013 Joyent, Inc.  All rights reserved.
  */
 
 
@@ -36,17 +37,95 @@
 extern void (*_kobj_printf)(void *, const char *fmt, ...);
 extern int get_weakish_int(int *);
 extern struct bootops *ops;
-extern struct boot_fs_ops bufs_ops, bhsfs_ops;
+extern struct boot_fs_ops bufs_ops, bhsfs_ops, bbootfs_ops;
 extern int kmem_ready;
 
 static uint64_t rd_start, rd_end;
 struct boot_fs_ops *bfs_ops;
-struct boot_fs_ops *bfs_tab[] = {&bufs_ops, &bhsfs_ops, NULL};
+struct boot_fs_ops *bfs_tab[] = {&bufs_ops, &bhsfs_ops, &bbootfs_ops, NULL};
 
 static uintptr_t scratch_max = 0;
 
 #define	_kmem_ready	get_weakish_int(&kmem_ready)
 
+int
+BRD_MOUNTROOT(struct boot_fs_ops *ops, char *str)
+{
+	return (ops->fsw_mountroot(str));
+}
+
+int
+BRD_UNMOUNTROOT(struct boot_fs_ops *ops)
+{
+	if (bfs_ops != &bbootfs_ops)
+		bbootfs_ops.fsw_closeall(1);
+
+	return (ops->fsw_unmountroot());
+}
+
+int
+BRD_OPEN(struct boot_fs_ops *ops, char *file, int flags)
+{
+	int len = strlen(SYSTEM_BOOT_PATH);
+	int fd;
+
+	/*
+	 * Our policy is that we try bootfs first.  If bootfs is the only
+	 * filesystem, that's the end of it.  Otherwise we will fall back to
+	 * the normal root (i.e., ramdisk) filesystem at this point and try
+	 * again if the file does not exist in bootfs.
+	 */
+	fd = bbootfs_ops.fsw_open(file, flags);
+
+	if (bfs_ops == &bbootfs_ops)
+		return (fd);
+
+	if (strncmp(file, SYSTEM_BOOT_PATH, len) == 0 || fd >= 0)
+		return ((fd < 0) ? fd : (fd | BFD_F_SYSTEM_BOOT));
+
+	return (ops->fsw_open(file, flags));
+}
+
+int
+BRD_CLOSE(struct boot_fs_ops *ops, int fd)
+{
+	if (fd & BFD_F_SYSTEM_BOOT)
+		return (bbootfs_ops.fsw_close(fd & ~BFD_F_SYSTEM_BOOT));
+
+	return (ops->fsw_close(fd));
+}
+
+ssize_t
+BRD_READ(struct boot_fs_ops *ops, int fd, caddr_t buf, size_t len)
+{
+	if (fd & BFD_F_SYSTEM_BOOT) {
+		return (bbootfs_ops.fsw_read(fd & ~BFD_F_SYSTEM_BOOT,
+		    buf, len));
+	}
+
+	return (ops->fsw_read(fd, buf, len));
+}
+
+off_t
+BRD_SEEK(struct boot_fs_ops *ops, int fd, off_t addr, int whence)
+{
+	if (fd & BFD_F_SYSTEM_BOOT) {
+		return (bbootfs_ops.fsw_lseek(fd & ~BFD_F_SYSTEM_BOOT,
+		    addr, whence));
+	}
+
+	return (ops->fsw_lseek(fd, addr, whence));
+}
+
+int
+BRD_FSTAT(struct boot_fs_ops *ops, int fd, struct bootstat *bsp)
+{
+	if (fd & BFD_F_SYSTEM_BOOT)
+		return (bbootfs_ops.fsw_fstat(fd & ~BFD_F_SYSTEM_BOOT, bsp));
+
+	return (ops->fsw_fstat(fd, bsp));
+}
+
 /*
  * This one reads the ramdisk. If fi_memp is set, we copy the
  * ramdisk content to the designated buffer. Otherwise, we
diff --git a/usr/src/uts/common/netinet/in.h b/usr/src/uts/common/netinet/in.h
index d530b7f36e..7927cf5e24 100644
--- a/usr/src/uts/common/netinet/in.h
+++ b/usr/src/uts/common/netinet/in.h
@@ -3,6 +3,7 @@
  * Use is subject to license terms.
  *
  * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 /*
  * Copyright (c) 1982, 1986 Regents of the University of California.
@@ -225,6 +226,7 @@ typedef	uint16_t	sa_family_t;
 #define	IPPORT_SLP		427
 #define	IPPORT_MIP		434
 #define	IPPORT_SMB		445		/* a.k.a. microsoft-ds */
+#define	IPPORT_VXLAN		4789
 
 /*
  * Internet Key Exchange (IKE) ports
@@ -268,6 +270,11 @@ typedef	uint16_t	sa_family_t;
 #define	IPPORT_RESERVED		1024
 #define	IPPORT_USERRESERVED	5000
 
+#ifdef _KERNEL
+#define	IPPORT_DYNAMIC_MIN	49152
+#define	IPPORT_DYNAMIC_MAX	65535
+#endif
+
 /*
  * Link numbers
  */
diff --git a/usr/src/uts/common/netinet/udp.h b/usr/src/uts/common/netinet/udp.h
index c65a9bad3a..fb9f8a0976 100644
--- a/usr/src/uts/common/netinet/udp.h
+++ b/usr/src/uts/common/netinet/udp.h
@@ -17,9 +17,6 @@
 #ifndef	_NETINET_UDP_H
 #define	_NETINET_UDP_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-/* udp.h 1.7 88/08/19 SMI; from UCB 7.1 6/5/86	*/
-
 #ifdef	__cplusplus
 extern "C" {
 #endif
@@ -36,6 +33,15 @@ struct udphdr {
 #define	UDP_EXCLBIND		0x0101		/* for internal use only */
 #define	UDP_RCVHDR		0x0102		/* for internal use only */
 #define	UDP_NAT_T_ENDPOINT	0x0103		/* for internal use only */
+#define	UDP_SRCPORT_HASH	0x0104		/* for internal use only */
+
+/*
+ * Hash definitions for UDP_SRCPORT_HASH that effectively tell UDP how to go
+ * handle UDP_SRCPORT_HASH.
+ */
+#define	UDP_HASH_DISABLE	0x0000		/* for internal use only */
+#define	UDP_HASH_VXLAN		0x0001		/* for internal use only */
+
 /*
  * Following option in UDP_ namespace required to be exposed through
  * <xti.h> (It also requires exposing options not implemented). The options
diff --git a/usr/src/uts/common/os/bio.c b/usr/src/uts/common/os/bio.c
index 96502b8230..b8d2e29058 100644
--- a/usr/src/uts/common/os/bio.c
+++ b/usr/src/uts/common/os/bio.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -1320,6 +1321,9 @@ pageio_setup(struct page *pp, size_t len, struct vnode *vp, int flags)
 		cpup = CPU;	/* get pointer AFTER preemption is disabled */
 		CPU_STATS_ADDQ(cpup, vm, pgin, 1);
 		CPU_STATS_ADDQ(cpup, vm, pgpgin, btopr(len));
+
+		atomic_add_64(&curzone->zone_pgpgin, btopr(len));
+
 		if ((flags & B_ASYNC) == 0) {
 			klwp_t *lwp = ttolwp(curthread);
 			if (lwp != NULL)
@@ -1336,13 +1340,19 @@ pageio_setup(struct page *pp, size_t len, struct vnode *vp, int flags)
 		if (pp != NULL && pp->p_vnode != NULL) {
 			if (IS_SWAPFSVP(pp->p_vnode)) {
 				CPU_STATS_ADDQ(cpup, vm, anonpgin, btopr(len));
+				atomic_add_64(&curzone->zone_anonpgin,
+				    btopr(len));
 			} else {
 				if (pp->p_vnode->v_flag & VVMEXEC) {
 					CPU_STATS_ADDQ(cpup, vm, execpgin,
 					    btopr(len));
+					atomic_add_64(&curzone->zone_execpgin,
+					    btopr(len));
 				} else {
 					CPU_STATS_ADDQ(cpup, vm, fspgin,
 					    btopr(len));
+					atomic_add_64(&curzone->zone_fspgin,
+					    btopr(len));
 				}
 			}
 		}
diff --git a/usr/src/uts/common/os/brand.c b/usr/src/uts/common/os/brand.c
index eb8c6e730a..00f2ce0440 100644
--- a/usr/src/uts/common/os/brand.c
+++ b/usr/src/uts/common/os/brand.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
  */
 
 #include <sys/kmem.h>
@@ -45,7 +46,7 @@ struct brand_mach_ops native_mach_ops  = {
 };
 #else /* !__sparcv9 */
 struct brand_mach_ops native_mach_ops  = {
-		NULL, NULL, NULL, NULL
+		NULL, NULL, NULL, NULL, NULL, NULL, NULL
 };
 #endif /* !__sparcv9 */
 
@@ -53,7 +54,8 @@ brand_t native_brand = {
 		BRAND_VER_1,
 		"native",
 		NULL,
-		&native_mach_ops
+		&native_mach_ops,
+		0
 };
 
 /*
@@ -314,42 +316,55 @@ void
 brand_setbrand(proc_t *p)
 {
 	brand_t *bp = p->p_zone->zone_brand;
+	void *brand_data = NULL;
 
-	ASSERT(bp != NULL);
-	ASSERT(p->p_brand == &native_brand);
+	VERIFY(MUTEX_NOT_HELD(&p->p_lock));
+	VERIFY(bp != NULL);
 
 	/*
-	 * We should only be called from exec(), when we know the process
-	 * is single-threaded.
+	 * We should only be called from exec() or getproc(), when we know the
+	 * process has 0 or 1 threads.
 	 */
-	ASSERT(p->p_tlist == p->p_tlist->t_forw);
+	VERIFY((p->p_tlist == NULL) || (p->p_tlist == p->p_tlist->t_forw));
 
+	if (bp->b_data_size > 0) {
+		brand_data = kmem_zalloc(bp->b_data_size, KM_SLEEP);
+	}
+
+	mutex_enter(&p->p_lock);
+	ASSERT(!PROC_IS_BRANDED(p));
 	p->p_brand = bp;
+	p->p_brand_data = brand_data;
 	ASSERT(PROC_IS_BRANDED(p));
 	BROP(p)->b_setbrand(p);
+	mutex_exit(&p->p_lock);
 }
 
 void
-brand_clearbrand(proc_t *p, boolean_t no_lwps)
+brand_clearbrand(proc_t *p)
 {
 	brand_t *bp = p->p_zone->zone_brand;
-	klwp_t *lwp = NULL;
-	ASSERT(bp != NULL);
-	ASSERT(!no_lwps || (p->p_tlist == NULL));
+	void *brand_data;
+
+	VERIFY(MUTEX_NOT_HELD(&p->p_lock));
+	VERIFY(bp != NULL);
+	VERIFY(PROC_IS_BRANDED(p));
 
 	/*
-	 * If called from exec_common() or proc_exit(),
-	 * we know the process is single-threaded.
-	 * If called from fork_fail, p_tlist is NULL.
+	 * There cannot be more than one lwp associated with a process when
+	 * stripping the brand.
 	 */
-	if (!no_lwps) {
-		ASSERT(p->p_tlist == p->p_tlist->t_forw);
-		lwp = p->p_tlist->t_lwp;
-	}
+	VERIFY((p->p_tlist == NULL) || (p->p_tlist == p->p_tlist->t_forw));
 
-	ASSERT(PROC_IS_BRANDED(p));
-	BROP(p)->b_proc_exit(p, lwp);
+	mutex_enter(&p->p_lock);
 	p->p_brand = &native_brand;
+	brand_data = p->p_brand_data;
+	p->p_brand_data = NULL;
+	mutex_exit(&p->p_lock);
+
+	if (brand_data != NULL) {
+		kmem_free(brand_data, bp->b_data_size);
+	}
 }
 
 #if defined(__sparcv9)
@@ -483,7 +498,7 @@ brand_solaris_cmd(int cmd, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3,
 		return (ENOSYS);
 
 	/* For all other operations this must be a branded process. */
-	if (p->p_brand == &native_brand)
+	if (!PROC_IS_BRANDED(p))
 		return (ENOSYS);
 
 	ASSERT(p->p_brand == pbrand);
@@ -601,15 +616,15 @@ restoreexecenv(struct execenv *ep, stack_t *sp)
 int
 brand_solaris_elfexec(vnode_t *vp, execa_t *uap, uarg_t *args,
     intpdata_t *idatap, int level, long *execsz, int setid, caddr_t exec_file,
-    cred_t *cred, int brand_action, struct brand *pbrand, char *bname,
-    char *brandlib, char *brandlib32, char *brandlinker, char *brandlinker32)
+    cred_t *cred, int *brand_action, struct brand *pbrand, char *bname,
+    char *brandlib, char *brandlib32)
 {
 
 	vnode_t		*nvp;
 	Ehdr		ehdr;
 	Addr		uphdr_vaddr;
 	intptr_t	voffset;
-	int		interp;
+	char		*interp;
 	int		i, err;
 	struct execenv	env;
 	struct execenv	origenv;
@@ -619,7 +634,6 @@ brand_solaris_elfexec(vnode_t *vp, execa_t *uap, uarg_t *args,
 	klwp_t		*lwp = ttolwp(curthread);
 	brand_proc_data_t	*spd;
 	brand_elf_data_t sed, *sedp;
-	char		*linker;
 	uintptr_t	lddata; /* lddata of executable's linker */
 
 	ASSERT(curproc->p_brand == pbrand);
@@ -636,12 +650,10 @@ brand_solaris_elfexec(vnode_t *vp, execa_t *uap, uarg_t *args,
 	 */
 	if (args->to_model == DATAMODEL_NATIVE) {
 		args->emulator = brandlib;
-		linker = brandlinker;
 	}
 #if defined(_LP64)
 	else {
 		args->emulator = brandlib32;
-		linker = brandlinker32;
 	}
 #endif  /* _LP64 */
 
@@ -725,7 +737,7 @@ brand_solaris_elfexec(vnode_t *vp, execa_t *uap, uarg_t *args,
 	if (args->to_model == DATAMODEL_NATIVE) {
 		err = mapexec_brand(vp, args, &ehdr, &uphdr_vaddr,
 		    &voffset, exec_file, &interp, &env.ex_bssbase,
-		    &env.ex_brkbase, &env.ex_brksize, NULL);
+		    &env.ex_brkbase, &env.ex_brksize, NULL, NULL);
 	}
 #if defined(_LP64)
 	else {
@@ -733,7 +745,7 @@ brand_solaris_elfexec(vnode_t *vp, execa_t *uap, uarg_t *args,
 		Elf32_Addr uphdr_vaddr32;
 		err = mapexec32_brand(vp, args, &ehdr32, &uphdr_vaddr32,
 		    &voffset, exec_file, &interp, &env.ex_bssbase,
-		    &env.ex_brkbase, &env.ex_brksize, NULL);
+		    &env.ex_brkbase, &env.ex_brksize, NULL, NULL);
 		Ehdr32to64(&ehdr32, &ehdr);
 
 		if (uphdr_vaddr32 == (Elf32_Addr)-1)
@@ -744,6 +756,10 @@ brand_solaris_elfexec(vnode_t *vp, execa_t *uap, uarg_t *args,
 #endif  /* _LP64 */
 	if (err != 0) {
 		restoreexecenv(&origenv, &orig_sigaltstack);
+
+		if (interp != NULL)
+			kmem_free(interp, MAXPATHLEN);
+
 		return (err);
 	}
 
@@ -761,7 +777,7 @@ brand_solaris_elfexec(vnode_t *vp, execa_t *uap, uarg_t *args,
 	sedp->sed_phent = ehdr.e_phentsize;
 	sedp->sed_phnum = ehdr.e_phnum;
 
-	if (interp) {
+	if (interp != NULL) {
 		if (ehdr.e_type == ET_DYN) {
 			/*
 			 * This is a shared object executable, so we
@@ -777,16 +793,20 @@ brand_solaris_elfexec(vnode_t *vp, execa_t *uap, uarg_t *args,
 		 * it in and store relevant information about it in the
 		 * aux vector, where the brand library can find it.
 		 */
-		if ((err = lookupname(linker, UIO_SYSSPACE,
+		if ((err = lookupname(interp, UIO_SYSSPACE,
 		    FOLLOW, NULLVPP, &nvp)) != 0) {
-			uprintf("%s: not found.", brandlinker);
+			uprintf("%s: not found.", interp);
 			restoreexecenv(&origenv, &orig_sigaltstack);
+			kmem_free(interp, MAXPATHLEN);
 			return (err);
 		}
+
+		kmem_free(interp, MAXPATHLEN);
+
 		if (args->to_model == DATAMODEL_NATIVE) {
 			err = mapexec_brand(nvp, args, &ehdr,
 			    &uphdr_vaddr, &voffset, exec_file, &interp,
-			    NULL, NULL, NULL, &lddata);
+			    NULL, NULL, NULL, &lddata, NULL);
 		}
 #if defined(_LP64)
 		else {
@@ -794,7 +814,7 @@ brand_solaris_elfexec(vnode_t *vp, execa_t *uap, uarg_t *args,
 			Elf32_Addr uphdr_vaddr32;
 			err = mapexec32_brand(nvp, args, &ehdr32,
 			    &uphdr_vaddr32, &voffset, exec_file, &interp,
-			    NULL, NULL, NULL, &lddata);
+			    NULL, NULL, NULL, &lddata, NULL);
 			Ehdr32to64(&ehdr32, &ehdr);
 
 			if (uphdr_vaddr32 == (Elf32_Addr)-1)
@@ -934,9 +954,9 @@ brand_solaris_elfexec(vnode_t *vp, execa_t *uap, uarg_t *args,
 
 	/*
 	 * Third, the /proc aux vectors set up by elfexec() point to
-	 * brand emulation library and it's linker.  Copy these to the
+	 * brand emulation library and its linker.  Copy these to the
 	 * /proc brand specific aux vector, and update the regular
-	 * /proc aux vectors to point to the executable (and it's
+	 * /proc aux vectors to point to the executable (and its
 	 * linker).  This will enable debuggers to access the
 	 * executable via the usual /proc or elf notes aux vectors.
 	 *
@@ -1078,55 +1098,31 @@ brand_solaris_freelwp(klwp_t *l, struct brand *pbrand)
 }
 
 /*ARGSUSED*/
-int
+void
 brand_solaris_initlwp(klwp_t *l, struct brand *pbrand)
 {
 	ASSERT(l->lwp_procp->p_brand == pbrand);
 	ASSERT(l->lwp_procp->p_brand_data != NULL);
 	ASSERT(l->lwp_brand == NULL);
 	l->lwp_brand = (void *)-1;
-	return (0);
 }
 
 /*ARGSUSED*/
 void
 brand_solaris_lwpexit(klwp_t *l, struct brand *pbrand)
 {
-	proc_t  *p = l->lwp_procp;
-
 	ASSERT(l->lwp_procp->p_brand == pbrand);
 	ASSERT(l->lwp_procp->p_brand_data != NULL);
 	ASSERT(l->lwp_brand != NULL);
-
-	/*
-	 * We should never be called for the last thread in a process.
-	 * (That case is handled by brand_solaris_proc_exit().)
-	 * Therefore this lwp must be exiting from a multi-threaded
-	 * process.
-	 */
-	ASSERT(p->p_tlist != p->p_tlist->t_forw);
-
-	l->lwp_brand = NULL;
 }
 
 /*ARGSUSED*/
 void
-brand_solaris_proc_exit(struct proc *p, klwp_t *l, struct brand *pbrand)
+brand_solaris_proc_exit(struct proc *p, struct brand *pbrand)
 {
 	ASSERT(p->p_brand == pbrand);
 	ASSERT(p->p_brand_data != NULL);
 
-	/*
-	 * When called from proc_exit(), we know that process is
-	 * single-threaded and free our lwp brand data.
-	 * otherwise just free p_brand_data and return.
-	 */
-	if (l != NULL) {
-		ASSERT(p->p_tlist == p->p_tlist->t_forw);
-		ASSERT(p->p_tlist->t_lwp == l);
-		(void) brand_solaris_freelwp(l, pbrand);
-	}
-
 	/* upon exit, free our proc brand data */
 	kmem_free(p->p_brand_data, sizeof (brand_proc_data_t));
 	p->p_brand_data = NULL;
@@ -1145,5 +1141,4 @@ brand_solaris_setbrand(proc_t *p, struct brand *pbrand)
 	ASSERT(p->p_tlist == p->p_tlist->t_forw);
 
 	p->p_brand_data = kmem_zalloc(sizeof (brand_proc_data_t), KM_SLEEP);
-	(void) brand_solaris_initlwp(p->p_tlist->t_lwp, pbrand);
 }
diff --git a/usr/src/uts/common/os/clock_highres.c b/usr/src/uts/common/os/clock_highres.c
index bcdf20c0bd..805813037d 100644
--- a/usr/src/uts/common/os/clock_highres.c
+++ b/usr/src/uts/common/os/clock_highres.c
@@ -25,7 +25,7 @@
  */
 
 /*
- * Copyright (c) 2012, Joyent Inc. All rights reserved.
+ * Copyright (c) 2015, Joyent Inc. All rights reserved.
  */
 
 #include <sys/timer.h>
@@ -66,7 +66,7 @@ clock_highres_getres(timespec_t *ts)
 
 /*ARGSUSED*/
 static int
-clock_highres_timer_create(itimer_t *it, struct sigevent *ev)
+clock_highres_timer_create(itimer_t *it, void (*fire)(itimer_t *))
 {
 	/*
 	 * CLOCK_HIGHRES timers of sufficiently high resolution can deny
@@ -80,6 +80,7 @@ clock_highres_timer_create(itimer_t *it, struct sigevent *ev)
 	}
 
 	it->it_arg = kmem_zalloc(sizeof (cyclic_id_t), KM_SLEEP);
+	it->it_fire = fire;
 
 	return (0);
 }
@@ -95,7 +96,7 @@ clock_highres_fire(void *arg)
 		old = *addr;
 	} while (atomic_cas_64((uint64_t *)addr, old, new) != old);
 
-	timer_fire(it);
+	it->it_fire(it);
 }
 
 static int
diff --git a/usr/src/uts/common/os/clock_realtime.c b/usr/src/uts/common/os/clock_realtime.c
index ef3383fb28..4a75984b23 100644
--- a/usr/src/uts/common/os/clock_realtime.c
+++ b/usr/src/uts/common/os/clock_realtime.c
@@ -24,7 +24,9 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * Copyright (c) 2015, Joyent Inc. All rights reserved.
+ */
 
 #include <sys/timer.h>
 #include <sys/systm.h>
@@ -80,8 +82,7 @@ clock_realtime_fire(void *arg)
 	/*
 	 * First call into the timer subsystem to get the signal going.
 	 */
-	timer_fire(it);
-
+	it->it_fire(it);
 	val = &it->it_itime.it_value;
 	interval = &it->it_itime.it_interval;
 
@@ -171,9 +172,10 @@ clock_realtime_fire_first(void *arg)
 
 /*ARGSUSED*/
 static int
-clock_realtime_timer_create(itimer_t *it, struct sigevent *ev)
+clock_realtime_timer_create(itimer_t *it, void (*fire)(itimer_t *))
 {
 	it->it_arg = kmem_zalloc(sizeof (timeout_id_t), KM_SLEEP);
+	it->it_fire = fire;
 
 	return (0);
 }
@@ -184,7 +186,7 @@ clock_realtime_timer_settime(itimer_t *it, int flags,
 {
 	timeout_id_t tid, *tidp = it->it_arg;
 	timespec_t now;
-	proc_t *p = curproc;
+	proc_t *p = it->it_proc;
 	clock_t ticks;
 
 	gethrestime(&now);
@@ -246,7 +248,7 @@ static int
 clock_realtime_timer_gettime(itimer_t *it, struct itimerspec *when)
 {
 	timespec_t now;
-	proc_t *p = curproc;
+	proc_t *p = it->it_proc;
 
 	/*
 	 * We always keep it_itime up to date, so we just need to snapshot
@@ -276,7 +278,7 @@ clock_realtime_timer_gettime(itimer_t *it, struct itimerspec *when)
 static int
 clock_realtime_timer_delete(itimer_t *it)
 {
-	proc_t *p = curproc;
+	proc_t *p = it->it_proc;
 	timeout_id_t tid, *tidp = it->it_arg;
 
 	mutex_enter(&p->p_lock);
diff --git a/usr/src/uts/common/os/core.c b/usr/src/uts/common/os/core.c
index d4dddbe477..3ca17e1f17 100644
--- a/usr/src/uts/common/os/core.c
+++ b/usr/src/uts/common/os/core.c
@@ -64,6 +64,7 @@
 #include <sys/contract/process_impl.h>
 #include <sys/ddi.h>
 
+extern int yield(void);
 /*
  * Processes running within a zone potentially dump core in 3 locations,
  * based on the per-process, per-zone, and the global zone's core settings.
diff --git a/usr/src/uts/common/os/cred.c b/usr/src/uts/common/os/cred.c
index 733fd03a92..b0098946b3 100644
--- a/usr/src/uts/common/os/cred.c
+++ b/usr/src/uts/common/os/cred.c
@@ -727,6 +727,14 @@ crgetzoneid(const cred_t *cr)
 	    cr->cr_zone->zone_id);
 }
 
+zoneid_t
+crgetzonedid(const cred_t *cr)
+{
+	return (cr->cr_zone == NULL ?
+	    (cr->cr_uid == -1 ? (zoneid_t)-1 : GLOBAL_ZONEID) :
+	    cr->cr_zone->zone_did);
+}
+
 projid_t
 crgetprojid(const cred_t *cr)
 {
diff --git a/usr/src/uts/common/os/ddi_intr_irm.c b/usr/src/uts/common/os/ddi_intr_irm.c
index c3c0481e7f..a4b35dcb5b 100644
--- a/usr/src/uts/common/os/ddi_intr_irm.c
+++ b/usr/src/uts/common/os/ddi_intr_irm.c
@@ -1320,7 +1320,7 @@ i_ddi_irm_notify(ddi_irm_pool_t *pool_p, ddi_irm_req_t *req_p)
 
 	/* Log callback errors */
 	if (ret != DDI_SUCCESS) {
-		cmn_err(CE_WARN, "%s%d: failed callback (action=%d, ret=%d)\n",
+		cmn_err(CE_WARN, "!%s%d: failed callback (action=%d, ret=%d)\n",
 		    ddi_driver_name(req_p->ireq_dip),
 		    ddi_get_instance(req_p->ireq_dip), (int)action, ret);
 	}
diff --git a/usr/src/uts/common/os/exec.c b/usr/src/uts/common/os/exec.c
index 7adc5c0c9d..7e32fb0506 100644
--- a/usr/src/uts/common/os/exec.c
+++ b/usr/src/uts/common/os/exec.c
@@ -26,7 +26,7 @@
 /*	Copyright (c) 1988 AT&T	*/
 /*	  All Rights Reserved  	*/
 /*
- * Copyright 2014, Joyent, Inc.  All rights reserved.
+ * Copyright 2015, Joyent, Inc.  All rights reserved.
  */
 
 #include <sys/types.h>
@@ -69,6 +69,7 @@
 #include <sys/sdt.h>
 #include <sys/brand.h>
 #include <sys/klpd.h>
+#include <sys/random.h>
 
 #include <c2/audit.h>
 
@@ -97,6 +98,7 @@ uint_t auxv_hwcap32_2 = 0;	/* 32-bit version of auxv_hwcap2 */
 #endif
 
 #define	PSUIDFLAGS		(SNOCD|SUGID)
+#define	RANDOM_LEN	16	/* 16 bytes for AT_RANDOM aux entry */
 
 /*
  * exece() - system call wrapper around exec_common()
@@ -297,14 +299,30 @@ exec_common(const char *fname, const char **argp, const char **envp,
 	ua.argp = argp;
 	ua.envp = envp;
 
-	/* If necessary, brand this process before we start the exec. */
-	if (brandme)
+	/* If necessary, brand this process/lwp before we start the exec. */
+	if (brandme) {
+		void *brand_data = NULL;
+
 		brand_setbrand(p);
+		if (BROP(p)->b_lwpdata_alloc != NULL &&
+		    (brand_data = BROP(p)->b_lwpdata_alloc(p)) == NULL) {
+			VN_RELE(vp);
+			if (dir != NULL)
+				VN_RELE(dir);
+			pn_free(&resolvepn);
+			goto fail;
+		}
+		mutex_enter(&p->p_lock);
+		BROP(p)->b_initlwp(lwp, brand_data);
+		mutex_exit(&p->p_lock);
+	}
 
 	if ((error = gexec(&vp, &ua, &args, NULL, 0, &execsz,
-	    exec_file, p->p_cred, brand_action)) != 0) {
-		if (brandme)
-			brand_clearbrand(p, B_FALSE);
+	    exec_file, p->p_cred, &brand_action)) != 0) {
+		if (brandme) {
+			BROP(p)->b_freelwp(lwp);
+			brand_clearbrand(p);
+		}
 		VN_RELE(vp);
 		if (dir != NULL)
 			VN_RELE(dir);
@@ -360,6 +378,8 @@ exec_common(const char *fname, const char **argp, const char **envp,
 	 * pending held signals remain held, so don't clear t_hold.
 	 */
 	mutex_enter(&p->p_lock);
+	DTRACE_PROBE3(oldcontext__set, klwp_t *, lwp,
+	    uintptr_t, lwp->lwp_oldcontext, uintptr_t, 0);
 	lwp->lwp_oldcontext = 0;
 	lwp->lwp_ustack = 0;
 	lwp->lwp_old_stk_ctl = 0;
@@ -419,8 +439,10 @@ exec_common(const char *fname, const char **argp, const char **envp,
 	TRACE_2(TR_FAC_PROC, TR_PROC_EXEC, "proc_exec:p %p up %p", p, up);
 
 	/* Unbrand ourself if necessary. */
-	if (PROC_IS_BRANDED(p) && (brand_action == EBA_NATIVE))
-		brand_clearbrand(p, B_FALSE);
+	if (PROC_IS_BRANDED(p) && (brand_action == EBA_NATIVE)) {
+		BROP(p)->b_freelwp(lwp);
+		brand_clearbrand(p);
+	}
 
 	setregs(&args);
 
@@ -544,7 +566,7 @@ gexec(
 	long *execsz,
 	caddr_t exec_file,
 	struct cred *cred,
-	int brand_action)
+	int *brand_action)
 {
 	struct vnode *vp, *execvp = NULL;
 	proc_t *pp = ttoproc(curthread);
@@ -858,8 +880,22 @@ gexec(
 			if (pp->p_plist || (pp->p_proc_flag & P_PR_TRACE))
 				args->traceinval = 1;
 		}
-		if (pp->p_proc_flag & P_PR_PTRACE)
-			psignal(pp, SIGTRAP);
+
+		/*
+		 * If legacy ptrace is enabled, defer to the brand as to the
+		 * behavior as to the SIGTRAP generated during exec().  (If
+		 * we're not branded or the brand isn't interested in changing
+		 * the default behavior, we generate the SIGTRAP.)
+		 */
+		if (pp->p_proc_flag & P_PR_PTRACE) {
+			if (PROC_IS_BRANDED(pp) &&
+			    BROP(pp)->b_ptrace_exectrap != NULL) {
+				BROP(pp)->b_ptrace_exectrap(pp);
+			} else {
+				psignal(pp, SIGTRAP);
+			}
+		}
+
 		if (args->traceinval)
 			prinvalidate(&pp->p_user);
 	}
@@ -1517,6 +1553,27 @@ stk_add(uarg_t *args, const char *sp, enum uio_seg segflg)
 	return (0);
 }
 
+/*
+ * Add a fixed size byte array to the stack (only from kernel space).
+ */
+static int
+stk_byte_add(uarg_t *args, const uint8_t *sp, size_t len)
+{
+	int error;
+
+	if (STK_AVAIL(args) < sizeof (int))
+		return (E2BIG);
+	*--args->stk_offp = args->stk_strp - args->stk_base;
+
+	if (len > STK_AVAIL(args))
+		return (E2BIG);
+	bcopy(sp, args->stk_strp, len);
+
+	args->stk_strp += len;
+
+	return (0);
+}
+
 static int
 stk_getptr(uarg_t *args, char *src, char **dst)
 {
@@ -1553,6 +1610,7 @@ stk_copyin(execa_t *uap, uarg_t *args, intpdata_t *intp, void **auxvpp)
 	size_t size, pad;
 	char *argv = (char *)uap->argp;
 	char *envp = (char *)uap->envp;
+	uint8_t rdata[RANDOM_LEN];
 
 	/*
 	 * Copy interpreter's name and argument to argv[0] and argv[1].
@@ -1622,8 +1680,9 @@ stk_copyin(execa_t *uap, uarg_t *args, intpdata_t *intp, void **auxvpp)
 	args->ne = args->na - argc;
 
 	/*
-	 * Add AT_SUN_PLATFORM, AT_SUN_EXECNAME, AT_SUN_BRANDNAME, and
-	 * AT_SUN_EMULATOR strings to the stack.
+	 * Add AT_SUN_PLATFORM, AT_SUN_EXECNAME, AT_SUN_BRANDNAME,
+	 * AT_SUN_BRAND_NROOT, and AT_SUN_EMULATOR strings, as well as AT_RANDOM
+	 * array, to the stack.
 	 */
 	if (auxvpp != NULL && *auxvpp != NULL) {
 		if ((error = stk_add(args, platform, UIO_SYSSPACE)) != 0)
@@ -1636,6 +1695,20 @@ stk_copyin(execa_t *uap, uarg_t *args, intpdata_t *intp, void **auxvpp)
 		if (args->emulator != NULL &&
 		    (error = stk_add(args, args->emulator, UIO_SYSSPACE)) != 0)
 			return (error);
+
+		/*
+		 * For the AT_RANDOM aux vector we provide 16 bytes of random
+		 * data.
+		 */
+		(void) random_get_pseudo_bytes(rdata, sizeof (rdata));
+
+		if ((error = stk_byte_add(args, rdata, sizeof (rdata))) != 0)
+			return (error);
+
+		if (args->brand_nroot != NULL &&
+		    (error = stk_add(args, args->brand_nroot,
+		    UIO_SYSSPACE)) != 0)
+			return (error);
 	}
 
 	/*
@@ -1742,7 +1815,7 @@ stk_copyout(uarg_t *args, char *usrstack, void **auxvpp, user_t *up)
 	/*
 	 * Fill in the aux vector now that we know the user stack addresses
 	 * for the AT_SUN_PLATFORM, AT_SUN_EXECNAME, AT_SUN_BRANDNAME and
-	 * AT_SUN_EMULATOR strings.
+	 * AT_SUN_EMULATOR strings, as well as the AT_RANDOM array.
 	 */
 	if (auxvpp != NULL && *auxvpp != NULL) {
 		if (args->to_model == DATAMODEL_NATIVE) {
@@ -1755,6 +1828,11 @@ stk_copyout(uarg_t *args, char *usrstack, void **auxvpp, user_t *up)
 			if (args->emulator != NULL)
 				ADDAUX(*a,
 				    AT_SUN_EMULATOR, (long)&ustrp[*--offp])
+			ADDAUX(*a, AT_RANDOM, (long)&ustrp[*--offp])
+			if (args->brand_nroot != NULL) {
+				ADDAUX(*a,
+				    AT_SUN_BRAND_NROOT, (long)&ustrp[*--offp])
+			}
 		} else {
 			auxv32_t **a = (auxv32_t **)auxvpp;
 			ADDAUX(*a,
@@ -1767,6 +1845,11 @@ stk_copyout(uarg_t *args, char *usrstack, void **auxvpp, user_t *up)
 			if (args->emulator != NULL)
 				ADDAUX(*a, AT_SUN_EMULATOR,
 				    (int)(uintptr_t)&ustrp[*--offp])
+			ADDAUX(*a, AT_RANDOM, (int)(uintptr_t)&ustrp[*--offp])
+			if (args->brand_nroot != NULL) {
+				ADDAUX(*a, AT_SUN_BRAND_NROOT,
+				    (int)(uintptr_t)&ustrp[*--offp])
+			}
 		}
 	}
 
@@ -1855,6 +1938,9 @@ exec_args(execa_t *uap, uarg_t *args, intpdata_t *intp, void **auxvpp)
 		usrstack = (char *)USRSTACK32;
 	}
 
+	if (args->maxstack != 0 && (uintptr_t)usrstack > args->maxstack)
+		usrstack = (char *)args->maxstack;
+
 	ASSERT(P2PHASE((uintptr_t)usrstack, args->stk_align) == 0);
 
 #if defined(__sparc)
diff --git a/usr/src/uts/common/os/exit.c b/usr/src/uts/common/os/exit.c
index c5d54b5978..06a3856332 100644
--- a/usr/src/uts/common/os/exit.c
+++ b/usr/src/uts/common/os/exit.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011, Joyent, Inc. All rights reserved.
+ * Copyright 2015 Joyent, Inc. All rights reserved.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -366,19 +366,6 @@ proc_exit(int why, int what)
 	}
 	mutex_exit(&p->p_lock);
 
-	DTRACE_PROC(lwp__exit);
-	DTRACE_PROC1(exit, int, why);
-
-	/*
-	 * Will perform any brand specific proc exit processing, since this
-	 * is always the last lwp, will also perform lwp_exit and free brand
-	 * data
-	 */
-	if (PROC_IS_BRANDED(p)) {
-		lwp_detach_brand_hdlrs(lwp);
-		brand_clearbrand(p, B_FALSE);
-	}
-
 	/*
 	 * Don't let init exit unless zone_start_init() failed its exec, or
 	 * we are shutting down the zone or the machine.
@@ -390,12 +377,35 @@ proc_exit(int why, int what)
 		if (z->zone_boot_err == 0 &&
 		    zone_status_get(z) < ZONE_IS_SHUTTING_DOWN &&
 		    zone_status_get(global_zone) < ZONE_IS_SHUTTING_DOWN) {
-			if (z->zone_restart_init == B_TRUE) {
-				if (restart_init(what, why) == 0)
-					return (0);
+
+			/*
+			 * If the init process should be restarted, the
+			 * "zone_restart_init" member will be set.  Some init
+			 * programs in branded zones do not tolerate a restart
+			 * in the traditional manner; setting the
+			 * "zone_reboot_on_init_exit" member will cause the
+			 * entire zone to be rebooted instead.  If neither of
+			 * these flags is set the zone will shut down.
+			 */
+			if (z->zone_reboot_on_init_exit == B_TRUE &&
+			    z->zone_restart_init == B_TRUE) {
+				/*
+				 * Trigger a zone reboot and continue
+				 * with exit processing.
+				 */
+				z->zone_init_status = wstat(why, what);
+				(void) zone_kadmin(A_REBOOT, 0, NULL,
+				    zone_kcred());
+
 			} else {
+				if (z->zone_restart_init == B_TRUE) {
+					if (restart_init(what, why) == 0)
+						return (0);
+				}
+
+				z->zone_init_status = wstat(why, what);
 				(void) zone_kadmin(A_SHUTDOWN, AD_HALT, NULL,
-				    CRED());
+				    zone_kcred());
 			}
 		}
 
@@ -407,6 +417,32 @@ proc_exit(int why, int what)
 		z->zone_proc_initpid = -1;
 	}
 
+	/*
+	 * Delay firing probes (and performing brand cleanup) until after the
+	 * zone_proc_initpid check. Cases which result in zone shutdown or
+	 * restart via zone_kadmin eventually result in a call back to
+	 * proc_exit.
+	 */
+	DTRACE_PROC(lwp__exit);
+	DTRACE_PROC1(exit, int, why);
+
+	/*
+	 * Will perform any brand specific proc exit processing. Since this
+	 * is always the last lwp, will also perform lwp exit/free and proc
+	 * exit. Brand data will be freed when the process is reaped.
+	 */
+	if (PROC_IS_BRANDED(p)) {
+		BROP(p)->b_lwpexit(lwp);
+		BROP(p)->b_proc_exit(p);
+		/*
+		 * To ensure that b_proc_exit has access to brand-specific data
+		 * contained by the one remaining lwp, call the freelwp hook as
+		 * the last part of this clean-up process.
+		 */
+		BROP(p)->b_freelwp(lwp);
+		lwp_detach_brand_hdlrs(lwp);
+	}
+
 	lwp_pcb_exit();
 
 	/*
@@ -650,10 +686,22 @@ proc_exit(int why, int what)
 	if ((q = p->p_child) != NULL && p != proc_init) {
 		struct proc	*np;
 		struct proc	*initp = proc_init;
+		pid_t		zone_initpid = 1;
+		struct proc	*zoneinitp = NULL;
 		boolean_t	setzonetop = B_FALSE;
 
-		if (!INGLOBALZONE(curproc))
-			setzonetop = B_TRUE;
+		if (!INGLOBALZONE(curproc)) {
+			zone_initpid = curproc->p_zone->zone_proc_initpid;
+
+			ASSERT(MUTEX_HELD(&pidlock));
+			zoneinitp = prfind(zone_initpid);
+			if (zoneinitp != NULL) {
+				initp = zoneinitp;
+			} else {
+				zone_initpid = 1;
+				setzonetop = B_TRUE;
+			}
+		}
 
 		pgdetach(p);
 
@@ -665,7 +713,8 @@ proc_exit(int why, int what)
 			 */
 			delete_ns(q->p_parent, q);
 
-			q->p_ppid = 1;
+			q->p_ppid = zone_initpid;
+
 			q->p_pidflag &= ~(CLDNOSIGCHLD | CLDWAITPID);
 			if (setzonetop) {
 				mutex_enter(&q->p_lock);
@@ -839,8 +888,50 @@ proc_exit(int why, int what)
 
 	mutex_exit(&p->p_lock);
 	if (!evaporate) {
-		p->p_pidflag &= ~CLDPEND;
-		sigcld(p, sqp);
+		/*
+		 * The brand specific code only happens when the brand has a
+		 * function to call in place of sigcld and the parent of the
+		 * exiting process is not the global zone init. If the parent
+		 * is the global zone init, then the process was reparented,
+		 * and we don't want brand code delivering possibly strange
+		 * signals to init. Also, init is not branded, so any brand
+		 * specific exit data will not be picked up by init anyway.
+		 */
+		if (PROC_IS_BRANDED(p) &&
+		    BROP(p)->b_exit_with_sig != NULL &&
+		    p->p_ppid != 1) {
+			/*
+			 * The code for _fini that could unload the brand_t
+			 * blocks until the count of zones using the module
+			 * reaches zero. Zones decrement the refcount on their
+			 * brands only after all user tasks in that zone have
+			 * exited and been waited on. The decrement on the
+			 * brand's refcount happen in zone_destroy(). That
+			 * depends on zone_shutdown() having been completed.
+			 * zone_shutdown() includes a call to zone_empty(),
+			 * where the zone waits for itself to reach the state
+			 * ZONE_IS_EMPTY. This state is only set in either
+			 * zone_shutdown(), when there are no user processes as
+			 * the zone enters this function, or in
+			 * zone_task_rele(). zone_task_rele() is called from
+			 * code triggered by waiting on processes, not by the
+			 * processes exiting through proc_exit().  This means
+			 * all the branded processes that could exist for a
+			 * specific brand_t must exit and get reaped before the
+			 * refcount on the brand_t can reach 0. _fini will
+			 * never unload the corresponding brand module before
+			 * proc_exit finishes execution for all processes
+			 * branded with a particular brand_t, which makes the
+			 * operation below safe to do. Brands that wish to use
+			 * this mechanism must wait in _fini as described
+			 * above.
+			 */
+			BROP(p)->b_exit_with_sig(p, sqp);
+		} else {
+			p->p_pidflag &= ~CLDPEND;
+			sigcld(p, sqp);
+		}
+
 	} else {
 		/*
 		 * Do what sigcld() would do if the disposition
@@ -919,10 +1010,9 @@ winfo(proc_t *pp, k_siginfo_t *ip, int waitflag)
 int
 waitid(idtype_t idtype, id_t id, k_siginfo_t *ip, int options)
 {
-	int found;
 	proc_t *cp, *pp;
-	int proc_gone;
 	int waitflag = !(options & WNOWAIT);
+	boolean_t have_brand_helper = B_FALSE;
 
 	/*
 	 * Obsolete flag, defined here only for binary compatibility
@@ -950,7 +1040,8 @@ waitid(idtype_t idtype, id_t id, k_siginfo_t *ip, int options)
 	pp = ttoproc(curthread);
 
 	/*
-	 * lock parent mutex so that sibling chain can be searched.
+	 * Anytime you are looking for a process, you take pidlock to prevent
+	 * things from changing as you look.
 	 */
 	mutex_enter(&pidlock);
 
@@ -970,10 +1061,37 @@ waitid(idtype_t idtype, id_t id, k_siginfo_t *ip, int options)
 		return (ECHILD);
 	}
 
-	while (pp->p_child != NULL) {
+	if (PROC_IS_BRANDED(pp) && BROP(pp)->b_waitid_helper != NULL) {
+		have_brand_helper = B_TRUE;
+	}
+
+	while (pp->p_child != NULL || have_brand_helper) {
+		boolean_t brand_wants_wait = B_FALSE;
+		int proc_gone = 0;
+		int found = 0;
+
+		/*
+		 * Give the brand a chance to return synthetic results from
+		 * this waitid() call before we do the real thing.
+		 */
+		if (have_brand_helper) {
+			int ret;
+
+			if (BROP(pp)->b_waitid_helper(idtype, id, ip, options,
+			    &brand_wants_wait, &ret) == 0) {
+				mutex_exit(&pidlock);
+				return (ret);
+			}
 
-		proc_gone = 0;
+			if (pp->p_child == NULL) {
+				goto no_real_children;
+			}
+		}
 
+		/*
+		 * Look for interesting children in the newstate list.
+		 */
+		VERIFY(pp->p_child != NULL);
 		for (cp = pp->p_child_ns; cp != NULL; cp = cp->p_sibling_ns) {
 			if (idtype != P_PID && (cp->p_pidflag & CLDWAITPID))
 				continue;
@@ -981,6 +1099,11 @@ waitid(idtype_t idtype, id_t id, k_siginfo_t *ip, int options)
 				continue;
 			if (idtype == P_PGID && id != cp->p_pgrp)
 				continue;
+			if (PROC_IS_BRANDED(pp)) {
+				if (BROP(pp)->b_wait_filter != NULL &&
+				    BROP(pp)->b_wait_filter(pp, cp) == B_FALSE)
+					continue;
+			}
 
 			switch (cp->p_wcode) {
 
@@ -1025,12 +1148,16 @@ waitid(idtype_t idtype, id_t id, k_siginfo_t *ip, int options)
 		 * Wow! None of the threads on the p_sibling_ns list were
 		 * interesting threads. Check all the kids!
 		 */
-		found = 0;
 		for (cp = pp->p_child; cp != NULL; cp = cp->p_sibling) {
 			if (idtype == P_PID && id != cp->p_pid)
 				continue;
 			if (idtype == P_PGID && id != cp->p_pgrp)
 				continue;
+			if (PROC_IS_BRANDED(pp)) {
+				if (BROP(pp)->b_wait_filter != NULL &&
+				    BROP(pp)->b_wait_filter(pp, cp) == B_FALSE)
+					continue;
+			}
 
 			switch (cp->p_wcode) {
 			case CLD_TRAPPED:
@@ -1099,11 +1226,12 @@ waitid(idtype_t idtype, id_t id, k_siginfo_t *ip, int options)
 				break;
 		}
 
+no_real_children:
 		/*
 		 * If we found no interesting processes at all,
 		 * break out and return ECHILD.
 		 */
-		if (found + proc_gone == 0)
+		if (!brand_wants_wait && (found + proc_gone == 0))
 			break;
 
 		if (options & WNOHANG) {
@@ -1122,7 +1250,7 @@ waitid(idtype_t idtype, id_t id, k_siginfo_t *ip, int options)
 		 * change state while we wait, we don't wait at all.
 		 * Get out with ECHILD according to SVID.
 		 */
-		if (found == proc_gone)
+		if (!brand_wants_wait && (found == proc_gone))
 			break;
 
 		if (!cv_wait_sig_swap(&pp->p_cv, &pidlock)) {
@@ -1218,6 +1346,12 @@ freeproc(proc_t *p)
 		p->p_killsqp = NULL;
 	}
 
+	/* Clear any remaining brand data */
+	if (PROC_IS_BRANDED(p)) {
+		brand_clearbrand(p);
+	}
+
+
 	prfree(p);	/* inform /proc */
 
 	/*
diff --git a/usr/src/uts/common/os/fio.c b/usr/src/uts/common/os/fio.c
index 6dc0d00011..bfee77130d 100644
--- a/usr/src/uts/common/os/fio.c
+++ b/usr/src/uts/common/os/fio.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012, Joyent Inc. All rights reserved.
+ * Copyright 2015, Joyent Inc.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -40,6 +40,7 @@
 #include <sys/vnode.h>
 #include <sys/pathname.h>
 #include <sys/file.h>
+#include <sys/flock.h>
 #include <sys/proc.h>
 #include <sys/var.h>
 #include <sys/cpuvar.h>
@@ -851,7 +852,8 @@ flist_fork(uf_info_t *pfip, uf_info_t *cfip)
 	 */
 	cfip->fi_nfiles = nfiles = flist_minsize(pfip);
 
-	cfip->fi_list = kmem_zalloc(nfiles * sizeof (uf_entry_t), KM_SLEEP);
+	cfip->fi_list = nfiles == 0 ? NULL :
+	    kmem_zalloc(nfiles * sizeof (uf_entry_t), KM_SLEEP);
 
 	for (fd = 0, pufp = pfip->fi_list, cufp = cfip->fi_list; fd < nfiles;
 	    fd++, pufp++, cufp++) {
@@ -952,6 +954,8 @@ closef(file_t *fp)
 		return (error);
 	}
 	ASSERT(fp->f_count == 0);
+	/* Last reference, remove any OFD style lock for the file_t */
+	ofdcleanlock(fp);
 	mutex_exit(&fp->f_tlock);
 
 	/*
@@ -1209,7 +1213,8 @@ f_getfl(int fd, int *flagp)
 			error = EBADF;
 		else {
 			vnode_t *vp = fp->f_vnode;
-			int flag = fp->f_flag | (fp->f_flag2 << 16);
+			int flag = fp->f_flag |
+			    ((fp->f_flag2 & ~FEPOLLED) << 16);
 
 			/*
 			 * BSD fcntl() FASYNC compatibility.
diff --git a/usr/src/uts/common/os/flock.c b/usr/src/uts/common/os/flock.c
index 5dad4abb61..a54d6028d5 100644
--- a/usr/src/uts/common/os/flock.c
+++ b/usr/src/uts/common/os/flock.c
@@ -29,6 +29,7 @@
 
 /*
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #include <sys/flock_impl.h>
@@ -243,9 +244,293 @@ flk_get_lockmgr_status(void)
 }
 
 /*
- * Routine called from fs_frlock in fs/fs_subr.c
+ * This implements Open File Description (not descriptor) style record locking.
+ * These locks can also be thought of as pid-less since they are not tied to a
+ * specific process, thus they're preserved across fork.
+ *
+ * Called directly from fcntl.
+ *
+ * See reclock() for the implementation of the traditional POSIX style record
+ * locking scheme (pid-ful). This function is derived from reclock() but
+ * simplified and modified to work for OFD style locking.
+ *
+ * The two primary advantages of OFD style of locking are:
+ * 1) It is per-file description, so closing a file descriptor that refers to a
+ *    different file description for the same file will not drop the lock (i.e.
+ *    two open's of the same file get different descriptions but a dup or fork
+ *    will refer to the same description).
+ * 2) Locks are preserved across fork(2).
+ *
+ * Because these locks are per-description a lock ptr lives at the f_filocks
+ * member of the file_t and the lock_descriptor includes a file_t pointer
+ * to enable unique lock identification and management.
+ *
+ * Since these locks are pid-less we cannot do deadlock detection with the
+ * current process-oriented implementation. This is consistent with OFD locking
+ * behavior on other operating systems such as Linux. Since we don't do
+ * deadlock detection we never interact with the process graph that is
+ * maintained for deadlock detection on the traditional POSIX-style locks.
+ *
+ * Future Work:
+ *
+ * The current implementation does not support record locks. That is,
+ * currently the single lock must cover the entire file. This is validated in
+ * fcntl. To support record locks the f_filock pointer in the file_t needs to
+ * be changed to a list of pointers to the locks. That list needs to be
+ * managed independently of the lock list on the vnode itself and it needs to
+ * be maintained as record locks are created, split, coalesced and deleted.
+ *
+ * The current implementation does not support remote file systems (e.g.
+ * NFS or CIFS). This is handled in fs_frlock(). The design of how OFD locks
+ * interact with the NLM is not clear since the NLM protocol/implementation
+ * appears to be oriented around locks associated with a process. A further
+ * problem is that a design is needed for what nlm_send_siglost() should do and
+ * where it will send SIGLOST. More recent versions of Linux apparently try to
+ * emulate OFD locks on NFS by converting them to traditional POSIX style locks
+ * that work with the NLM. It is not clear that this provides the correct
+ * semantics in all cases.
  */
+int
+ofdlock(file_t *fp, int fcmd, flock64_t *lckdat, int flag, u_offset_t offset)
+{
+	int cmd = 0;
+	vnode_t *vp;
+	lock_descriptor_t	stack_lock_request;
+	lock_descriptor_t	*lock_request;
+	int error = 0;
+	graph_t	*gp;
+	int serialize = 0;
+
+	if (fcmd != F_OFD_GETLK)
+		cmd = SETFLCK;
+
+	if (fcmd == F_OFD_SETLKW || fcmd == F_FLOCKW)
+		cmd |= SLPFLCK;
+
+	/* see block comment */
+	VERIFY(lckdat->l_whence == 0);
+	VERIFY(lckdat->l_start == 0);
+	VERIFY(lckdat->l_len == 0);
+
+	vp = fp->f_vnode;
+
+	/*
+	 * For reclock fs_frlock() would normally have set these in a few
+	 * places but for us it's cleaner to centralize it here. Note that
+	 * IGN_PID is -1. We use 0 for our pid-less locks.
+	 */
+	lckdat->l_pid = 0;
+	lckdat->l_sysid = 0;
+
+	/*
+	 * Check access permissions
+	 */
+	if ((fcmd == F_OFD_SETLK || fcmd == F_OFD_SETLKW) &&
+	    ((lckdat->l_type == F_RDLCK && (flag & FREAD) == 0) ||
+	    (lckdat->l_type == F_WRLCK && (flag & FWRITE) == 0)))
+		return (EBADF);
+
+	/*
+	 * for query and unlock we use the stack_lock_request
+	 */
+	if (lckdat->l_type == F_UNLCK || !(cmd & SETFLCK)) {
+		lock_request = &stack_lock_request;
+		(void) bzero((caddr_t)lock_request,
+		    sizeof (lock_descriptor_t));
+
+		/*
+		 * following is added to make the assertions in
+		 * flk_execute_request() pass
+		 */
+		lock_request->l_edge.edge_in_next = &lock_request->l_edge;
+		lock_request->l_edge.edge_in_prev = &lock_request->l_edge;
+		lock_request->l_edge.edge_adj_next = &lock_request->l_edge;
+		lock_request->l_edge.edge_adj_prev = &lock_request->l_edge;
+		lock_request->l_status = FLK_INITIAL_STATE;
+	} else {
+		lock_request = flk_get_lock();
+		fp->f_filock = (struct filock *)lock_request;
+	}
+	lock_request->l_state = 0;
+	lock_request->l_vnode = vp;
+	lock_request->l_zoneid = getzoneid();
+	lock_request->l_ofd = fp;
+
+	/*
+	 * Convert the request range into the canonical start and end
+	 * values then check the validity of the lock range.
+	 */
+	error = flk_convert_lock_data(vp, lckdat, &lock_request->l_start,
+	    &lock_request->l_end, offset);
+	if (error)
+		goto done;
+
+	error = flk_check_lock_data(lock_request->l_start, lock_request->l_end,
+	    MAXEND);
+	if (error)
+		goto done;
+
+	ASSERT(lock_request->l_end >= lock_request->l_start);
+
+	lock_request->l_type = lckdat->l_type;
+	if (cmd & SLPFLCK)
+		lock_request->l_state |= WILLING_TO_SLEEP_LOCK;
+
+	if (!(cmd & SETFLCK)) {
+		if (lock_request->l_type == F_RDLCK ||
+		    lock_request->l_type == F_WRLCK)
+			lock_request->l_state |= QUERY_LOCK;
+	}
+	lock_request->l_flock = (*lckdat);
+
+	/*
+	 * We are ready for processing the request
+	 */
+
+	if (fcmd != F_OFD_GETLK && lock_request->l_type != F_UNLCK &&
+	    nbl_need_check(vp)) {
+		nbl_start_crit(vp, RW_WRITER);
+		serialize = 1;
+	}
 
+	/* Get the lock graph for a particular vnode */
+	gp = flk_get_lock_graph(vp, FLK_INIT_GRAPH);
+
+	mutex_enter(&gp->gp_mutex);
+
+	lock_request->l_state |= REFERENCED_LOCK;
+	lock_request->l_graph = gp;
+
+	switch (lock_request->l_type) {
+	case F_RDLCK:
+	case F_WRLCK:
+		if (IS_QUERY_LOCK(lock_request)) {
+			flk_get_first_blocking_lock(lock_request);
+			if (lock_request->l_ofd != NULL)
+				lock_request->l_flock.l_pid = -1;
+			(*lckdat) = lock_request->l_flock;
+		} else {
+			/* process the request now */
+			error = flk_process_request(lock_request);
+		}
+		break;
+
+	case F_UNLCK:
+		/* unlock request will not block so execute it immediately */
+		error = flk_execute_request(lock_request);
+		break;
+
+	default:
+		error = EINVAL;
+		break;
+	}
+
+	if (lock_request == &stack_lock_request) {
+		flk_set_state(lock_request, FLK_DEAD_STATE);
+	} else {
+		lock_request->l_state &= ~REFERENCED_LOCK;
+		if ((error != 0) || IS_DELETED(lock_request)) {
+			flk_set_state(lock_request, FLK_DEAD_STATE);
+			flk_free_lock(lock_request);
+		}
+	}
+
+	mutex_exit(&gp->gp_mutex);
+	if (serialize)
+		nbl_end_crit(vp);
+
+	return (error);
+
+done:
+	flk_set_state(lock_request, FLK_DEAD_STATE);
+	if (lock_request != &stack_lock_request)
+		flk_free_lock(lock_request);
+	return (error);
+}
+
+/*
+ * Remove any lock on the vnode belonging to the given file_t.
+ * Called from closef on last close, file_t is locked.
+ *
+ * This is modeled on the cleanlocks() function but only removes the single
+ * lock associated with fp.
+ */
+void
+ofdcleanlock(file_t *fp)
+{
+	lock_descriptor_t *fplock, *lock, *nlock;
+	vnode_t *vp;
+	graph_t	*gp;
+
+	ASSERT(MUTEX_HELD(&fp->f_tlock));
+
+	if ((fplock = (lock_descriptor_t *)fp->f_filock) == NULL)
+		return;
+
+	fp->f_filock = NULL;
+	vp = fp->f_vnode;
+
+	gp = flk_get_lock_graph(vp, FLK_USE_GRAPH);
+
+	if (gp == NULL)
+		return;
+	mutex_enter(&gp->gp_mutex);
+
+	CHECK_SLEEPING_LOCKS(gp);
+	CHECK_ACTIVE_LOCKS(gp);
+
+	SET_LOCK_TO_FIRST_SLEEP_VP(gp, lock, vp);
+
+	if (lock) {
+		do {
+			nlock = lock->l_next;
+			if (fplock == lock) {
+				CANCEL_WAKEUP(lock);
+				break;
+			}
+			lock = nlock;
+		} while (lock->l_vnode == vp);
+	}
+
+	SET_LOCK_TO_FIRST_ACTIVE_VP(gp, lock, vp);
+
+	if (lock) {
+		do {
+			nlock = lock->l_next;
+			if (fplock == lock) {
+				flk_delete_active_lock(lock, 0);
+				flk_wakeup(lock, 1);
+				flk_free_lock(lock);
+				break;
+			}
+			lock = nlock;
+		} while (lock->l_vnode == vp);
+	}
+
+	CHECK_SLEEPING_LOCKS(gp);
+	CHECK_ACTIVE_LOCKS(gp);
+	mutex_exit(&gp->gp_mutex);
+}
+
+/*
+ * Routine called from fs_frlock in fs/fs_subr.c
+ *
+ * This implements traditional POSIX style record locking. The two primary
+ * drawbacks to this style of locking are:
+ * 1) It is per-process, so any close of a file descriptor that refers to the
+ *    file will drop the lock (e.g. lock /etc/passwd, call a library function
+ *    which opens /etc/passwd to read the file, when the library closes it's
+ *    file descriptor the application loses its lock and does not know).
+ * 2) Locks are not preserved across fork(2).
+ *
+ * Because these locks are only assoiciated with a pid they are per-process.
+ * This is why any close will drop the lock and is also why once the process
+ * forks then the lock is no long related to the new process. These locks can
+ * be considered as pid-ful.
+ *
+ * See ofdlock() for the implementation of a similar but improved locking
+ * scheme.
+ */
 int
 reclock(vnode_t		*vp,
 	flock64_t	*lckdat,
@@ -424,6 +709,8 @@ reclock(vnode_t		*vp,
 	case F_WRLCK:
 		if (IS_QUERY_LOCK(lock_request)) {
 			flk_get_first_blocking_lock(lock_request);
+			if (lock_request->l_ofd != NULL)
+				lock_request->l_flock.l_pid = -1;
 			(*lckdat) = lock_request->l_flock;
 			break;
 		}
@@ -712,7 +999,13 @@ flk_get_lock(void)
 void
 flk_free_lock(lock_descriptor_t	*lock)
 {
+	file_t *fp;
+
 	ASSERT(IS_DEAD(lock));
+
+	if ((fp = lock->l_ofd) != NULL)
+		fp->f_filock = NULL;
+
 	if (IS_REFERENCED(lock)) {
 		lock->l_state |= DELETED_LOCK;
 		return;
@@ -1214,7 +1507,7 @@ flk_add_edge(lock_descriptor_t *from_lock, lock_descriptor_t *to_lock,
 	from_lock->l_edge.edge_adj_next = edge;
 
 	/*
-	 * put in in list of to vertex
+	 * put in list of to vertex
 	 */
 
 	to_lock->l_edge.edge_in_next->edge_in_prev = edge;
@@ -2601,9 +2894,11 @@ flk_canceled(lock_descriptor_t *request)
 }
 
 /*
- * Remove all the locks for the vnode belonging to the given pid and sysid.
+ * Remove all non-OFD locks for the vnode belonging to the given pid and sysid.
+ * That is, since OFD locks are pid-less we'll never match on the incoming
+ * pid. OFD locks are removed earlier in the close() path via closef() and
+ * ofdcleanlock().
  */
-
 void
 cleanlocks(vnode_t *vp, pid_t pid, int sysid)
 {
@@ -2770,6 +3065,14 @@ flk_check_deadlock(lock_descriptor_t *lock)
 	edge_t	*ep, *nep;
 	proc_vertex_t *process_stack;
 
+	/*
+	 * OFD style locks are not associated with any process so there is
+	 * no proc graph for these. Thus we cannot, and do not, do deadlock
+	 * detection.
+	 */
+	if (lock->l_ofd != NULL)
+		return (0);
+
 	STACK_INIT(process_stack);
 
 	mutex_enter(&flock_lock);
@@ -3062,6 +3365,16 @@ flk_update_proc_graph(edge_t *ep, int delete)
 	proc_edge_t *pep, *prevpep;
 
 	mutex_enter(&flock_lock);
+
+	/*
+	 * OFD style locks are not associated with any process so there is
+	 * no proc graph for these.
+	 */
+	if (ep->from_vertex->l_ofd != NULL) {
+		mutex_exit(&flock_lock);
+		return;
+	}
+
 	toproc = flk_get_proc_vertex(ep->to_vertex);
 	fromproc = flk_get_proc_vertex(ep->from_vertex);
 
@@ -3891,6 +4204,7 @@ report_blocker(lock_descriptor_t *blocker, lock_descriptor_t *request)
 	flrp->l_type = blocker->l_type;
 	flrp->l_pid = blocker->l_flock.l_pid;
 	flrp->l_sysid = blocker->l_flock.l_sysid;
+	request->l_ofd = blocker->l_ofd;
 
 	if (IS_LOCKMGR(request)) {
 		flrp->l_start = blocker->l_start;
@@ -4206,6 +4520,10 @@ check_owner_locks(graph_t *gp, pid_t pid, int sysid, vnode_t *vp)
 {
 	lock_descriptor_t *lock;
 
+	/* Ignore OFD style locks since they're not process-wide. */
+	if (pid == 0)
+		return;
+
 	SET_LOCK_TO_FIRST_ACTIVE_VP(gp, lock, vp);
 
 	if (lock) {
diff --git a/usr/src/uts/common/os/fork.c b/usr/src/uts/common/os/fork.c
index 210a301850..fcd33a7788 100644
--- a/usr/src/uts/common/os/fork.c
+++ b/usr/src/uts/common/os/fork.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright 2013, Joyent, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -696,7 +696,7 @@ fork_fail(proc_t *cp)
 	if (PTOU(curproc)->u_cwd)
 		refstr_rele(PTOU(curproc)->u_cwd);
 	if (PROC_IS_BRANDED(cp)) {
-		brand_clearbrand(cp, B_TRUE);
+		brand_clearbrand(cp);
 	}
 }
 
@@ -1004,6 +1004,9 @@ getproc(proc_t **cpp, pid_t pid, uint_t flags)
 	cp->p_t1_lgrpid = LGRP_NONE;
 	cp->p_tr_lgrpid = LGRP_NONE;
 
+	/* Default to native brand initially */
+	cp->p_brand = &native_brand;
+
 	if ((newpid = pid_allocate(cp, pid, PID_ALLOC_PROC)) == -1) {
 		if (nproc == v.v_proc) {
 			CPU_STATS_ADDQ(CPU, sys, procovf, 1);
@@ -1071,9 +1074,6 @@ getproc(proc_t **cpp, pid_t pid, uint_t flags)
 	cp->p_flag = pp->p_flag & (SJCTL|SNOWAIT|SNOCD);
 	cp->p_sessp = pp->p_sessp;
 	sess_hold(pp);
-	cp->p_brand = pp->p_brand;
-	if (PROC_IS_BRANDED(pp))
-		BROP(pp)->b_copy_procdata(cp, pp);
 	cp->p_bssbase = pp->p_bssbase;
 	cp->p_brkbase = pp->p_brkbase;
 	cp->p_brksize = pp->p_brksize;
@@ -1153,6 +1153,11 @@ getproc(proc_t **cpp, pid_t pid, uint_t flags)
 	mutex_exit(&cp->p_lock);
 	mutex_exit(&pidlock);
 
+	if (PROC_IS_BRANDED(pp)) {
+		brand_setbrand(cp);
+		BROP(pp)->b_copy_procdata(cp, pp);
+	}
+
 	avl_create(&cp->p_ct_held, contract_compar, sizeof (contract_t),
 	    offsetof(contract_t, ct_ctlist));
 
diff --git a/usr/src/uts/common/os/grow.c b/usr/src/uts/common/os/grow.c
index f5e92cfd94..0c4c0bcad6 100644
--- a/usr/src/uts/common/os/grow.c
+++ b/usr/src/uts/common/os/grow.c
@@ -19,7 +19,10 @@
  * CDDL HEADER END
  */
 
-/* Copyright 2013 OmniTI Computer Consulting, Inc. All rights reserved. */
+/*
+ * Copyright 2013 OmniTI Computer Consulting, Inc. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
 
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
@@ -52,6 +55,7 @@
 #include <sys/fcntl.h>
 #include <sys/lwpchan_impl.h>
 #include <sys/nbmlock.h>
+#include <sys/brand.h>
 
 #include <vm/hat.h>
 #include <vm/as.h>
@@ -522,6 +526,20 @@ choose_addr(struct as *as, caddr_t *addrp, size_t len, offset_t off,
 	return (0);
 }
 
+caddr_t
+map_userlimit(proc_t *pp, struct as *as, int flags)
+{
+	if (flags & _MAP_LOW32) {
+		if (PROC_IS_BRANDED(pp) && BROP(pp)->b_map32limit != NULL) {
+			return ((caddr_t)(uintptr_t)BROP(pp)->b_map32limit(pp));
+		} else {
+			return ((caddr_t)_userlimit32);
+		}
+	}
+
+	return (as->a_userlimit);
+}
+
 
 /*
  * Used for MAP_ANON - fast way to get anonymous pages
@@ -537,8 +555,6 @@ zmap(struct as *as, caddr_t *addrp, size_t len, uint_t uprot, int flags,
 		return (EACCES);
 
 	if ((flags & MAP_FIXED) != 0) {
-		caddr_t userlimit;
-
 		/*
 		 * Use the user address.  First verify that
 		 * the address to be used is page aligned.
@@ -547,9 +563,8 @@ zmap(struct as *as, caddr_t *addrp, size_t len, uint_t uprot, int flags,
 		if (((uintptr_t)*addrp & PAGEOFFSET) != 0)
 			return (EINVAL);
 
-		userlimit = flags & _MAP_LOW32 ?
-		    (caddr_t)USERLIMIT32 : as->a_userlimit;
-		switch (valid_usr_range(*addrp, len, uprot, as, userlimit)) {
+		switch (valid_usr_range(*addrp, len, uprot, as,
+		    map_userlimit(as->a_proc, as, flags))) {
 		case RANGE_OKAY:
 			break;
 		case RANGE_BADPROT:
@@ -717,8 +732,6 @@ smmap_common(caddr_t *addrp, size_t len,
 	 * If the user specified an address, do some simple checks here
 	 */
 	if ((flags & MAP_FIXED) != 0) {
-		caddr_t userlimit;
-
 		/*
 		 * Use the user address.  First verify that
 		 * the address to be used is page aligned.
@@ -726,10 +739,8 @@ smmap_common(caddr_t *addrp, size_t len,
 		 */
 		if (((uintptr_t)*addrp & PAGEOFFSET) != 0)
 			return (EINVAL);
-
-		userlimit = flags & _MAP_LOW32 ?
-		    (caddr_t)USERLIMIT32 : as->a_userlimit;
-		switch (valid_usr_range(*addrp, len, uprot, as, userlimit)) {
+		switch (valid_usr_range(*addrp, len, uprot, as,
+		    map_userlimit(curproc, as, flags))) {
 		case RANGE_OKAY:
 			break;
 		case RANGE_BADPROT:
diff --git a/usr/src/uts/common/os/kmem.c b/usr/src/uts/common/os/kmem.c
index af94c2d16f..9d38183ce1 100644
--- a/usr/src/uts/common/os/kmem.c
+++ b/usr/src/uts/common/os/kmem.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 1994, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
  */
 
 /*
@@ -1002,6 +1003,13 @@ size_t kmem_lite_maxalign = 1024; /* maximum buffer alignment for KMF_LITE */
 int kmem_lite_pcs = 4;		/* number of PCs to store in KMF_LITE mode */
 size_t kmem_maxverify;		/* maximum bytes to inspect in debug routines */
 size_t kmem_minfirewall;	/* hardware-enforced redzone threshold */
+int kmem_warn_zerosized = 1;	/* whether to warn on zero-sized KM_SLEEP */
+
+#ifdef DEBUG
+int kmem_panic_zerosized = 1;	/* whether to panic on zero-sized KM_SLEEP */
+#else
+int kmem_panic_zerosized = 0;	/* whether to panic on zero-sized KM_SLEEP */
+#endif
 
 #ifdef _LP64
 size_t	kmem_max_cached = KMEM_BIG_MAXBUF;	/* maximum kmem_alloc cache */
@@ -1036,6 +1044,8 @@ static vmem_t		*kmem_default_arena;
 static vmem_t		*kmem_firewall_va_arena;
 static vmem_t		*kmem_firewall_arena;
 
+static int		kmem_zerosized;		/* # of zero-sized allocs */
+
 /*
  * Define KMEM_STATS to turn on statistic gathering. By default, it is only
  * turned on when DEBUG is also defined.
@@ -2925,8 +2935,31 @@ kmem_alloc(size_t size, int kmflag)
 		/* fall through to kmem_cache_alloc() */
 
 	} else {
-		if (size == 0)
+		if (size == 0) {
+			if (kmflag != KM_SLEEP && !(kmflag & KM_PANIC))
+				return (NULL);
+
+			/*
+			 * If this is a sleeping allocation or one that has
+			 * been specified to panic on allocation failure, we
+			 * consider it to be deprecated behavior to allocate
+			 * 0 bytes.  If we have been configured to panic under
+			 * this condition, we panic; if to warn, we warn -- and
+			 * regardless, we bump a counter to at least indicate
+			 * that this condition has occurred.
+			 */
+			if (kmem_panic && kmem_panic_zerosized)
+				panic("attempted to kmem_alloc() size of 0");
+
+			if (kmem_warn_zerosized) {
+				cmn_err(CE_WARN, "kmem_alloc(): sleeping "
+				    "allocation with size of 0");
+			}
+
+			kmem_zerosized++;
+
 			return (NULL);
+		}
 
 		buf = vmem_alloc(kmem_oversize_arena, size,
 		    kmflag & KM_VMFLAGS);
@@ -4120,7 +4153,8 @@ kmem_cache_destroy(kmem_cache_t *cp)
 
 	if (kmem_taskq != NULL)
 		taskq_wait(kmem_taskq);
-	if (kmem_move_taskq != NULL)
+
+	if (kmem_move_taskq != NULL && cp->cache_defrag != NULL)
 		taskq_wait(kmem_move_taskq);
 
 	kmem_cache_magazine_purge(cp);
diff --git a/usr/src/uts/common/os/logsubr.c b/usr/src/uts/common/os/logsubr.c
index 149f5f8a88..6a603c8982 100644
--- a/usr/src/uts/common/os/logsubr.c
+++ b/usr/src/uts/common/os/logsubr.c
@@ -22,6 +22,7 @@
 /*
  * Copyright (c) 2013 Gary Mills
  * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc.
  */
 
 #include <sys/types.h>
@@ -249,8 +250,7 @@ log_init(void)
 	 */
 	printf("\rSunOS Release %s Version %s %u-bit\n",
 	    utsname.release, utsname.version, NBBY * (uint_t)sizeof (void *));
-	printf("Copyright (c) 1983, 2010, Oracle and/or its affiliates. "
-	    "All rights reserved.\n");
+	printf("Copyright (c) 2010-2015, Joyent Inc. All rights reserved.\n");
 #ifdef DEBUG
 	printf("DEBUG enabled\n");
 #endif
diff --git a/usr/src/uts/common/os/lwp.c b/usr/src/uts/common/os/lwp.c
index feb8e76c42..f5be1b40b3 100644
--- a/usr/src/uts/common/os/lwp.c
+++ b/usr/src/uts/common/os/lwp.c
@@ -25,7 +25,7 @@
  */
 
 /*
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #include <sys/param.h>
@@ -115,7 +115,7 @@ lwp_create(void (*proc)(), caddr_t arg, size_t len, proc_t *p,
 	ret_tidhash_t *ret_tidhash = NULL;
 	int i;
 	int rctlfail = 0;
-	boolean_t branded = 0;
+	void *brand_data = NULL;
 	struct ctxop *ctx = NULL;
 
 	ASSERT(cid != sysdccid);	/* system threads must start in SYS */
@@ -283,6 +283,19 @@ lwp_create(void (*proc)(), caddr_t arg, size_t len, proc_t *p,
 	 */
 	lep = kmem_zalloc(sizeof (*lep), KM_SLEEP);
 
+	/*
+	 * If necessary, speculatively allocate lwp brand data.  This is done
+	 * ahead of time so p_lock need not be dropped during lwp branding.
+	 */
+	if (PROC_IS_BRANDED(p) && BROP(p)->b_lwpdata_alloc != NULL) {
+		if ((brand_data = BROP(p)->b_lwpdata_alloc(p)) == NULL) {
+			mutex_enter(&p->p_lock);
+			err = 1;
+			atomic_inc_32(&p->p_zone->zone_ffmisc);
+			goto error;
+		}
+	}
+
 	mutex_enter(&p->p_lock);
 grow:
 	/*
@@ -630,18 +643,6 @@ grow:
 		} while (lwp_hash_lookup(p, t->t_tid) != NULL);
 	}
 
-	/*
-	 * If this is a branded process, let the brand do any necessary lwp
-	 * initialization.
-	 */
-	if (PROC_IS_BRANDED(p)) {
-		if (BROP(p)->b_initlwp(lwp)) {
-			err = 1;
-			atomic_inc_32(&p->p_zone->zone_ffmisc);
-			goto error;
-		}
-		branded = 1;
-	}
 
 	if (t->t_tid == 1) {
 		kpreempt_disable();
@@ -654,7 +655,6 @@ grow:
 		}
 	}
 
-	p->p_lwpcnt++;
 	t->t_waitfor = -1;
 
 	/*
@@ -695,9 +695,21 @@ grow:
 	t->t_pre_sys = 1;
 	t->t_post_sys = 1;
 
+	/* Complete branded lwp initialization */
+	if (PROC_IS_BRANDED(p)) {
+		BROP(p)->b_initlwp(lwp, brand_data);
+		/*
+		 * The b_initlwp hook is expected to consume any preallocated
+		 * brand_data in a way that prepares it for deallocation by the
+		 * b_freelwp hook.
+		 */
+		brand_data = NULL;
+	}
+
 	/*
 	 * Insert the new thread into the list of all threads.
 	 */
+	p->p_lwpcnt++;
 	if ((tx = p->p_tlist) == NULL) {
 		t->t_back = t;
 		t->t_forw = t;
@@ -753,8 +765,9 @@ error:
 		if (cid != NOCLASS && bufp != NULL)
 			CL_FREE(cid, bufp);
 
-		if (branded)
-			BROP(p)->b_freelwp(lwp);
+		if (brand_data != NULL) {
+			BROP(p)->b_lwpdata_free(brand_data);
+		}
 
 		mutex_exit(&p->p_lock);
 		t->t_state = TS_FREE;
@@ -891,13 +904,6 @@ lwp_exit(void)
 	if (t->t_upimutex != NULL)
 		upimutex_cleanup();
 
-	/*
-	 * Perform any brand specific exit processing, then release any
-	 * brand data associated with the lwp
-	 */
-	if (PROC_IS_BRANDED(p))
-		BROP(p)->b_lwpexit(lwp);
-
 	lwp_pcb_exit();
 
 	mutex_enter(&p->p_lock);
@@ -941,6 +947,17 @@ lwp_exit(void)
 	DTRACE_PROC(lwp__exit);
 
 	/*
+	 * Perform any brand specific exit processing, then release any
+	 * brand data associated with the lwp
+	 */
+	if (PROC_IS_BRANDED(p)) {
+		mutex_exit(&p->p_lock);
+		BROP(p)->b_lwpexit(lwp);
+		BROP(p)->b_freelwp(lwp);
+		mutex_enter(&p->p_lock);
+	}
+
+	/*
 	 * If the lwp is a detached lwp or if the process is exiting,
 	 * remove (lwp_hash_out()) the lwp from the lwp directory.
 	 * Otherwise null out the lwp's le_thread pointer in the lwp
diff --git a/usr/src/uts/common/os/main.c b/usr/src/uts/common/os/main.c
index 7afc1cfe00..dda0b3e4a6 100644
--- a/usr/src/uts/common/os/main.c
+++ b/usr/src/uts/common/os/main.c
@@ -27,7 +27,7 @@
 /*	  All Rights Reserved  	*/
 
 /*
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #include <sys/types.h>
@@ -157,7 +157,7 @@ exec_init(const char *initpath, const char *args)
 	int error = 0, count = 0;
 	proc_t *p = ttoproc(curthread);
 	klwp_t *lwp = ttolwp(curthread);
-	int brand_action;
+	int brand_action = EBA_NONE;
 
 	if (args == NULL)
 		args = "";
@@ -268,7 +268,15 @@ exec_init(const char *initpath, const char *args)
 	 */
 	sigemptyset(&curthread->t_hold);
 
-	brand_action = ZONE_IS_BRANDED(p->p_zone) ? EBA_BRAND : EBA_NONE;
+	/*
+	 * Only instruct exec_common to brand the process if necessary.  It is
+	 * possible that the init process is already properly branded due to the
+	 * proc_exit -> restart_init -> exec_init call chain.
+	 */
+	if (ZONE_IS_BRANDED(p->p_zone) &&
+	    p->p_brand != p->p_zone->zone_brand) {
+		brand_action = EBA_BRAND;
+	}
 again:
 	error = exec_common((const char *)(uintptr_t)exec_fnamep,
 	    (const char **)(uintptr_t)uap, NULL, brand_action);
diff --git a/usr/src/uts/common/os/msacct.c b/usr/src/uts/common/os/msacct.c
index 928c6b3bb4..66994321f7 100644
--- a/usr/src/uts/common/os/msacct.c
+++ b/usr/src/uts/common/os/msacct.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2012 Joyent, Inc.  All rights reserved.
  */
 
 #include <sys/types.h>
@@ -566,27 +567,18 @@ cpu_update_pct(kthread_t *t, hrtime_t newtime)
 	 */
 
 	do {
-		if (T_ONPROC(t) && t->t_waitrq == 0) {
-			hrlb = t->t_hrtime;
+		pctcpu = t->t_pctcpu;
+		hrlb = t->t_hrtime;
+		delta = newtime - hrlb;
+		if (delta < 0) {
+			newtime = gethrtime_unscaled();
 			delta = newtime - hrlb;
-			if (delta < 0) {
-				newtime = gethrtime_unscaled();
-				delta = newtime - hrlb;
-			}
-			t->t_hrtime = newtime;
-			scalehrtime(&delta);
-			pctcpu = t->t_pctcpu;
+		}
+		t->t_hrtime = newtime;
+		scalehrtime(&delta);
+		if (T_ONPROC(t) && t->t_waitrq == 0) {
 			npctcpu = cpu_grow(pctcpu, delta);
 		} else {
-			hrlb = t->t_hrtime;
-			delta = newtime - hrlb;
-			if (delta < 0) {
-				newtime = gethrtime_unscaled();
-				delta = newtime - hrlb;
-			}
-			t->t_hrtime = newtime;
-			scalehrtime(&delta);
-			pctcpu = t->t_pctcpu;
 			npctcpu = cpu_decay(pctcpu, delta);
 		}
 	} while (atomic_cas_32(&t->t_pctcpu, pctcpu, npctcpu) != pctcpu);
diff --git a/usr/src/uts/common/os/netstack.c b/usr/src/uts/common/os/netstack.c
index b8467fbe13..5c556bffef 100644
--- a/usr/src/uts/common/os/netstack.c
+++ b/usr/src/uts/common/os/netstack.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
  */
 
 #include <sys/param.h>
@@ -220,10 +221,37 @@ netstack_unregister(int moduleid)
 	 * instances can use this module.
 	 */
 	for (ns = netstack_head; ns != NULL; ns = ns->netstack_next) {
+		boolean_t created = B_FALSE;
 		nm_state_t *nms = &ns->netstack_m_state[moduleid];
 
 		mutex_enter(&ns->netstack_lock);
-		if (ns_reg[moduleid].nr_shutdown != NULL &&
+
+		/*
+		 * We need to be careful here. We could actually have a netstack
+		 * being created as we speak waiting for us to let go of this
+		 * lock to proceed. It may have set NSS_CREATE_NEEDED, but not
+		 * have gotten to the point of completing it yet. If
+		 * NSS_CREATE_NEEDED, we can safely just remove it here and
+		 * never create the module. However, if NSS_CREATE_INPROGRESS is
+		 * set, we need to still flag this module for shutdown and
+		 * deletion, just as though it had reached NSS_CREATE_COMPLETED.
+		 *
+		 * It is safe to do that because of two different guarantees
+		 * that exist in the system. The first is that before we do a
+		 * create, shutdown, or destroy, we ensure that nothing else is
+		 * in progress in the system for this netstack and wait for it
+		 * to complete. Secondly, because the zone is being created, we
+		 * know that the following call to apply_all_netstack will block
+		 * on the zone finishing its initialization.
+		 */
+		if (nms->nms_flags & NSS_CREATE_NEEDED)
+			nms->nms_flags &= ~NSS_CREATE_NEEDED;
+
+		if (nms->nms_flags & NSS_CREATE_INPROGRESS ||
+		    nms->nms_flags & NSS_CREATE_COMPLETED)
+			created = B_TRUE;
+
+		if (ns_reg[moduleid].nr_shutdown != NULL && created &&
 		    (nms->nms_flags & NSS_CREATE_COMPLETED) &&
 		    (nms->nms_flags & NSS_SHUTDOWN_ALL) == 0) {
 			nms->nms_flags |= NSS_SHUTDOWN_NEEDED;
@@ -231,8 +259,7 @@ netstack_unregister(int moduleid)
 			    netstack_t *, ns, int, moduleid);
 		}
 		if ((ns_reg[moduleid].nr_flags & NRF_REGISTERED) &&
-		    ns_reg[moduleid].nr_destroy != NULL &&
-		    (nms->nms_flags & NSS_CREATE_COMPLETED) &&
+		    ns_reg[moduleid].nr_destroy != NULL && created &&
 		    (nms->nms_flags & NSS_DESTROY_ALL) == 0) {
 			nms->nms_flags |= NSS_DESTROY_NEEDED;
 			DTRACE_PROBE2(netstack__destroy__needed,
diff --git a/usr/src/uts/common/os/pid.c b/usr/src/uts/common/os/pid.c
index b555bb82b7..39db5cb27d 100644
--- a/usr/src/uts/common/os/pid.c
+++ b/usr/src/uts/common/os/pid.c
@@ -112,6 +112,18 @@ pid_lookup(pid_t pid)
 	return (pidp);
 }
 
+struct pid *
+pid_find(pid_t pid)
+{
+	struct pid *pidp;
+
+	mutex_enter(&pidlinklock);
+	pidp = pid_lookup(pid);
+	mutex_exit(&pidlinklock);
+
+	return (pidp);
+}
+
 void
 pid_setmin(void)
 {
diff --git a/usr/src/uts/common/os/policy.c b/usr/src/uts/common/os/policy.c
index 05deaaf43b..d2bdb4ce37 100644
--- a/usr/src/uts/common/os/policy.c
+++ b/usr/src/uts/common/os/policy.c
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright 2013, Joyent, Inc. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #include <sys/types.h>
@@ -55,6 +55,7 @@
 #include <sys/mntent.h>
 #include <sys/contract_impl.h>
 #include <sys/dld_ioc.h>
+#include <sys/brand.h>
 
 /*
  * There are two possible layers of privilege routines and two possible
@@ -1243,6 +1244,22 @@ secpolicy_vnode_owner(const cred_t *cr, uid_t owner)
 void
 secpolicy_setid_clear(vattr_t *vap, cred_t *cr)
 {
+	proc_t *p = curproc;
+
+	/*
+	 * Allow the brand to override this behaviour.
+	 */
+	if (PROC_IS_BRANDED(p) && BROP(p)->b_setid_clear != NULL) {
+		/*
+		 * This brand hook will return 0 if handling is complete, or
+		 * some other value if the brand would like us to fall back to
+		 * the usual behaviour.
+		 */
+		if (BROP(p)->b_setid_clear(vap, cr) == 0) {
+			return;
+		}
+	}
+
 	if ((vap->va_mode & (S_ISUID | S_ISGID)) != 0 &&
 	    secpolicy_vnode_setid_retain(cr,
 	    (vap->va_mode & S_ISUID) != 0 &&
@@ -2072,6 +2089,19 @@ secpolicy_tasksys(const cred_t *cr)
 }
 
 int
+secpolicy_meminfo(const cred_t *cr)
+{
+	return (PRIV_POLICY(cr, PRIV_PROC_MEMINFO, B_FALSE, EPERM, NULL));
+}
+
+int
+secpolicy_fs_import(const cred_t *cr)
+{
+	return (PRIV_POLICY(cr, PRIV_SYS_FS_IMPORT, B_FALSE, EPERM, NULL));
+}
+
+
+int
 secpolicy_pfexec_register(const cred_t *cr)
 {
 	return (PRIV_POLICY(cr, PRIV_SYS_ADMIN, B_TRUE, EPERM, NULL));
@@ -2575,3 +2605,11 @@ secpolicy_ppp_config(const cred_t *cr)
 		return (secpolicy_net_config(cr, B_FALSE));
 	return (PRIV_POLICY(cr, PRIV_SYS_PPP_CONFIG, B_FALSE, EPERM, NULL));
 }
+
+int
+secpolicy_hyprlofs_control(const cred_t *cr)
+{
+	if (PRIV_POLICY(cr, PRIV_HYPRLOFS_CONTROL, B_FALSE, EPERM, NULL))
+		return (EPERM);
+	return (0);
+}
diff --git a/usr/src/uts/common/os/priv_defs b/usr/src/uts/common/os/priv_defs
index bfacce1739..cc1c5e03a6 100644
--- a/usr/src/uts/common/os/priv_defs
+++ b/usr/src/uts/common/os/priv_defs
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright 2013, Joyent, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc. All rights reserved.
  *
 INSERT COMMENT
  */
@@ -177,6 +177,10 @@ privilege PRIV_GRAPHICS_MAP
 	Allows a process to perform privileged mappings through a
 	graphics device.
 
+privilege PRIV_HYPRLOFS_CONTROL
+
+	Allows a process to manage hyprlofs entries.
+
 privilege PRIV_IPC_DAC_READ
 
 	Allows a process to read a System V IPC
@@ -291,6 +295,10 @@ privilege PRIV_PROC_LOCK_MEMORY
 
 	Allows a process to lock pages in physical memory.
 
+privilege PRIV_PROC_MEMINFO
+
+	Allows a process to access physical memory information.
+
 privilege PRIV_PROC_OWNER
 
 	Allows a process to send signals to other processes, inspect
@@ -368,6 +376,10 @@ privilege PRIV_SYS_DEVICES
 	Allows a process to open the real console device directly.
 	Allows a process to open devices that have been exclusively opened.
 
+privilege PRIV_SYS_FS_IMPORT
+
+	Allows a process to import a potentially untrusted file system.
+
 privilege PRIV_SYS_IPC_CONFIG
 
 	Allows a process to increase the size of a System V IPC Message
diff --git a/usr/src/uts/common/os/sched.c b/usr/src/uts/common/os/sched.c
index c1d6569f11..15e77d39f7 100644
--- a/usr/src/uts/common/os/sched.c
+++ b/usr/src/uts/common/os/sched.c
@@ -27,6 +27,10 @@
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
 /*	  All Rights Reserved	*/
 
+/*
+ * Copyright (c) 2015, Joyent, Inc.  All rights reserved.
+ */
+
 #include <sys/param.h>
 #include <sys/types.h>
 #include <sys/sysmacros.h>
@@ -646,16 +650,17 @@ top:
 		klwp_t *lwp = ttolwp(tp);
 
 		/*
-		 * Swapout eligible lwps (specified by the scheduling
-		 * class) which don't have TS_DONT_SWAP set.  Set the
-		 * "intent to swap" flag (TS_SWAPENQ) on threads
-		 * which have TS_DONT_SWAP set so that they can be
+		 * Swapout eligible lwps (specified by the scheduling class)
+		 * which don't have TS_DONT_SWAP set.  Set the "intent to swap"
+		 * flag (TS_SWAPENQ) on threads which have either TS_DONT_SWAP
+		 * set or are currently on a split stack so that they can be
 		 * swapped if and when they reach a safe point.
 		 */
 		thread_lock(tp);
 		thread_pri = CL_SWAPOUT(tp, swapflags);
 		if (thread_pri != -1) {
-			if (tp->t_schedflag & TS_DONT_SWAP) {
+			if ((tp->t_schedflag & TS_DONT_SWAP) ||
+			    (tp->t_flag & T_SPLITSTK)) {
 				tp->t_schedflag |= TS_SWAPENQ;
 				tp->t_trapret = 1;
 				aston(tp);
diff --git a/usr/src/uts/common/os/sig.c b/usr/src/uts/common/os/sig.c
index 0b79c3765a..ae643c280e 100644
--- a/usr/src/uts/common/os/sig.c
+++ b/usr/src/uts/common/os/sig.c
@@ -22,7 +22,7 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
- * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -60,6 +60,7 @@
 #include <sys/cyclic.h>
 #include <sys/dtrace.h>
 #include <sys/sdt.h>
+#include <sys/brand.h>
 
 const k_sigset_t nullsmask = {0, 0, 0};
 
@@ -193,7 +194,7 @@ eat_signal(kthread_t *t, int sig)
 		    !(ttoproc(t)->p_proc_flag & P_PR_LOCK)) {
 			ttoproc(t)->p_stopsig = 0;
 			t->t_dtrace_stop = 0;
-			t->t_schedflag |= TS_XSTART | TS_PSTART;
+			t->t_schedflag |= TS_XSTART | TS_PSTART | TS_BSTART;
 			setrun_locked(t);
 		} else if (t != curthread && t->t_state == TS_ONPROC) {
 			aston(t);	/* make it do issig promptly */
@@ -607,6 +608,21 @@ issig_forreal(void)
 		}
 
 		/*
+		 * Allow the brand the chance to alter (or suppress) delivery
+		 * of this signal.
+		 */
+		if (PROC_IS_BRANDED(p) && BROP(p)->b_issig_stop != NULL) {
+			/*
+			 * The brand hook will return 0 if it would like
+			 * us to drive on, or -1 if we should restart
+			 * the loop to check other conditions.
+			 */
+			if (BROP(p)->b_issig_stop(p, lwp) != 0) {
+				continue;
+			}
+		}
+
+		/*
 		 * Honor requested stop before dealing with the
 		 * current signal; a debugger may change it.
 		 * Do not want to go back to loop here since this is a special
@@ -938,6 +954,16 @@ stop(int why, int what)
 		}
 		break;
 
+	case PR_BRAND:
+		/*
+		 * We have been stopped by the brand code for a brand-private
+		 * reason.  This is an asynchronous stop affecting only this
+		 * LWP.
+		 */
+		VERIFY(PROC_IS_BRANDED(p));
+		flags &= ~TS_BSTART;
+		break;
+
 	default:	/* /proc stop */
 		flags &= ~TS_PSTART;
 		/*
@@ -1049,7 +1075,7 @@ stop(int why, int what)
 		}
 	}
 
-	if (why != PR_JOBCONTROL && why != PR_CHECKPOINT) {
+	if (why != PR_JOBCONTROL && why != PR_CHECKPOINT && why != PR_BRAND) {
 		/*
 		 * Do process-level notification when all lwps are
 		 * either stopped on events of interest to /proc
@@ -1155,6 +1181,13 @@ stop(int why, int what)
 	if (why == PR_CHECKPOINT)
 		del_one_utstop();
 
+	/*
+	 * Allow the brand to post notification of this stop condition.
+	 */
+	if (PROC_IS_BRANDED(p) && BROP(p)->b_stop_notify != NULL) {
+		BROP(p)->b_stop_notify(p, lwp, why, what);
+	}
+
 	thread_lock(t);
 	ASSERT((t->t_schedflag & TS_ALLSTART) == 0);
 	t->t_schedflag |= flags;
@@ -1176,7 +1209,7 @@ stop(int why, int what)
 		    (p->p_flag & (SEXITLWPS|SKILLED))) {
 			p->p_stopsig = 0;
 			thread_lock(t);
-			t->t_schedflag |= TS_XSTART | TS_PSTART;
+			t->t_schedflag |= TS_XSTART | TS_PSTART | TS_BSTART;
 			setrun_locked(t);
 			thread_unlock_nopreempt(t);
 		} else if (why == PR_JOBCONTROL) {
@@ -1413,6 +1446,9 @@ psig(void)
 		DTRACE_PROC3(signal__handle, int, sig, k_siginfo_t *,
 		    sip, void (*)(void), func);
 
+		if (PROC_IS_BRANDED(p) && BROP(p)->b_psig_to_proc)
+			BROP(p)->b_psig_to_proc(p, t, sig);
+
 		lwp->lwp_cursig = 0;
 		lwp->lwp_extsig = 0;
 		if (lwp->lwp_curinfo) {
@@ -1755,9 +1791,12 @@ post_sigcld(proc_t *cp, sigqueue_t *sqp)
 			/*
 			 * This can only happen when the parent is init.
 			 * (See call to sigcld(q, NULL) in exit().)
-			 * Use KM_NOSLEEP to avoid deadlock.
+			 * Use KM_NOSLEEP to avoid deadlock. The child procs
+			 * initpid can be 1 for zlogin.
 			 */
-			ASSERT(pp == proc_init);
+			ASSERT(pp->p_pidp->pid_id ==
+			    cp->p_zone->zone_proc_initpid ||
+			    pp->p_pidp->pid_id == 1);
 			winfo(cp, &info, 0);
 			sigaddq(pp, NULL, &info, KM_NOSLEEP);
 		} else {
@@ -1788,6 +1827,15 @@ sigcld_repost()
 
 	sqp = kmem_zalloc(sizeof (sigqueue_t), KM_SLEEP);
 	mutex_enter(&pidlock);
+	if (PROC_IS_BRANDED(pp) && BROP(pp)->b_sigcld_repost != NULL) {
+		/*
+		 * Allow the brand to inject synthetic SIGCLD signals.
+		 */
+		if (BROP(pp)->b_sigcld_repost(pp, sqp) == 0) {
+			mutex_exit(&pidlock);
+			return;
+		}
+	}
 	for (cp = pp->p_child; cp; cp = cp->p_sibling) {
 		if (cp->p_pidflag & CLDPEND) {
 			post_sigcld(cp, sqp);
diff --git a/usr/src/uts/common/os/smb_subr.c b/usr/src/uts/common/os/smb_subr.c
index 6084676b17..6dc7230bed 100644
--- a/usr/src/uts/common/os/smb_subr.c
+++ b/usr/src/uts/common/os/smb_subr.c
@@ -25,7 +25,9 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
+ */
 
 #include <sys/smbios_impl.h>
 #include <sys/cmn_err.h>
@@ -43,13 +45,13 @@ smb_strerror(int err)
 void *
 smb_alloc(size_t len)
 {
-	return (kmem_alloc(len, KM_SLEEP));
+	return (len > 0 ? kmem_alloc(len, KM_SLEEP) : NULL);
 }
 
 void *
 smb_zalloc(size_t len)
 {
-	return (kmem_zalloc(len, KM_SLEEP));
+	return (len > 0 ? kmem_zalloc(len, KM_SLEEP) : NULL);
 }
 
 void
diff --git a/usr/src/uts/common/os/streamio.c b/usr/src/uts/common/os/streamio.c
index c6ebe8b110..0f3aafcc42 100644
--- a/usr/src/uts/common/os/streamio.c
+++ b/usr/src/uts/common/os/streamio.c
@@ -24,6 +24,7 @@
 
 /*
  * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc. All rights reserved.
  */
 
 #include <sys/types.h>
@@ -76,6 +77,7 @@
 #include <sys/policy.h>
 #include <sys/dld.h>
 #include <sys/zone.h>
+#include <sys/limits.h>
 #include <c2/audit.h>
 
 /*
@@ -984,12 +986,20 @@ strget(struct stdata *stp, queue_t *q, struct uio *uiop, int first,
 		 * (registered in sd_wakeq).
 		 */
 		struiod_t uiod;
+		struct iovec buf[IOV_MAX_STACK];
+		int iovlen = 0;
 
 		if (first)
 			stp->sd_wakeq &= ~RSLEEP;
 
-		(void) uiodup(uiop, &uiod.d_uio, uiod.d_iov,
-		    sizeof (uiod.d_iov) / sizeof (*uiod.d_iov));
+		if (uiop->uio_iovcnt > IOV_MAX_STACK) {
+			iovlen = uiop->uio_iovcnt * sizeof (iovec_t);
+			uiod.d_iov = kmem_alloc(iovlen, KM_SLEEP);
+		} else {
+			uiod.d_iov = buf;
+		}
+
+		(void) uiodup(uiop, &uiod.d_uio, uiod.d_iov, uiop->uio_iovcnt);
 		uiod.d_mp = 0;
 		/*
 		 * Mark that a thread is in rwnext on the read side
@@ -1028,6 +1038,8 @@ strget(struct stdata *stp, queue_t *q, struct uio *uiop, int first,
 			if ((bp = uiod.d_mp) != NULL) {
 				*errorp = 0;
 				ASSERT(MUTEX_HELD(&stp->sd_lock));
+				if (iovlen != 0)
+					kmem_free(uiod.d_iov, iovlen);
 				return (bp);
 			}
 			error = 0;
@@ -1047,8 +1059,14 @@ strget(struct stdata *stp, queue_t *q, struct uio *uiop, int first,
 		} else {
 			*errorp = error;
 			ASSERT(MUTEX_HELD(&stp->sd_lock));
+			if (iovlen != 0)
+				kmem_free(uiod.d_iov, iovlen);
 			return (NULL);
 		}
+
+		if (iovlen != 0)
+			kmem_free(uiod.d_iov, iovlen);
+
 		/*
 		 * Try a getq in case a rwnext() generated mblk
 		 * has bubbled up via strrput().
@@ -2543,6 +2561,8 @@ strput(struct stdata *stp, mblk_t *mctl, struct uio *uiop, ssize_t *iosize,
     int b_flag, int pri, int flags)
 {
 	struiod_t uiod;
+	struct iovec buf[IOV_MAX_STACK];
+	int iovlen = 0;
 	mblk_t *mp;
 	queue_t *wqp = stp->sd_wrq;
 	int error = 0;
@@ -2634,13 +2654,21 @@ strput(struct stdata *stp, mblk_t *mctl, struct uio *uiop, ssize_t *iosize,
 	mp->b_flag |= b_flag;
 	mp->b_band = (uchar_t)pri;
 
-	(void) uiodup(uiop, &uiod.d_uio, uiod.d_iov,
-	    sizeof (uiod.d_iov) / sizeof (*uiod.d_iov));
+	if (uiop->uio_iovcnt > IOV_MAX_STACK) {
+		iovlen = uiop->uio_iovcnt * sizeof (iovec_t);
+		uiod.d_iov = (struct iovec *)kmem_alloc(iovlen, KM_SLEEP);
+	} else {
+		uiod.d_iov = buf;
+	}
+
+	(void) uiodup(uiop, &uiod.d_uio, uiod.d_iov, uiop->uio_iovcnt);
 	uiod.d_uio.uio_offset = 0;
 	uiod.d_mp = mp;
 	error = rwnext(wqp, &uiod);
 	if (! uiod.d_mp) {
 		uioskip(uiop, *iosize);
+		if (iovlen != 0)
+			kmem_free(uiod.d_iov, iovlen);
 		return (error);
 	}
 	ASSERT(mp == uiod.d_mp);
@@ -2658,17 +2686,23 @@ strput(struct stdata *stp, mblk_t *mctl, struct uio *uiop, ssize_t *iosize,
 		error = 0;
 	} else {
 		freemsg(mp);
+		if (iovlen != 0)
+			kmem_free(uiod.d_iov, iovlen);
 		return (error);
 	}
 	/* Have to check canput before consuming data from the uio */
 	if (pri == 0) {
 		if (!canputnext(wqp) && !(flags & MSG_IGNFLOW)) {
 			freemsg(mp);
+			if (iovlen != 0)
+				kmem_free(uiod.d_iov, iovlen);
 			return (EWOULDBLOCK);
 		}
 	} else {
 		if (!bcanputnext(wqp, pri) && !(flags & MSG_IGNFLOW)) {
 			freemsg(mp);
+			if (iovlen != 0)
+				kmem_free(uiod.d_iov, iovlen);
 			return (EWOULDBLOCK);
 		}
 	}
@@ -2676,6 +2710,8 @@ strput(struct stdata *stp, mblk_t *mctl, struct uio *uiop, ssize_t *iosize,
 	/* Copyin data from the uio */
 	if ((error = struioget(wqp, mp, &uiod, 0)) != 0) {
 		freemsg(mp);
+		if (iovlen != 0)
+			kmem_free(uiod.d_iov, iovlen);
 		return (error);
 	}
 	uioskip(uiop, *iosize);
@@ -2692,6 +2728,8 @@ strput(struct stdata *stp, mblk_t *mctl, struct uio *uiop, ssize_t *iosize,
 		putnext(wqp, mp);
 		stream_runservice(stp);
 	}
+	if (iovlen != 0)
+		kmem_free(uiod.d_iov, iovlen);
 	return (0);
 }
 
@@ -3177,6 +3215,7 @@ job_control_type(int cmd)
 	case JAGENT:	/* Obsolete */
 	case JTRUN:	/* Obsolete */
 	case JXTPROTO:	/* Obsolete */
+	case TIOCSETLD:
 		return (JCSETP);
 	}
 
@@ -8311,7 +8350,7 @@ chkrd:
 	}
 
 	*reventsp = (short)retevents;
-	if (retevents) {
+	if (retevents && !(events & POLLET)) {
 		if (headlocked)
 			mutex_exit(&stp->sd_lock);
 		return (0);
diff --git a/usr/src/uts/common/os/sysent.c b/usr/src/uts/common/os/sysent.c
index 0d1bb6a8a1..aa44ccf788 100644
--- a/usr/src/uts/common/os/sysent.c
+++ b/usr/src/uts/common/os/sysent.c
@@ -1093,18 +1093,20 @@ char **syscallnames;
 
 systrace_sysent_t *systrace_sysent;
 void (*systrace_probe)(dtrace_id_t, uintptr_t, uintptr_t,
-    uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+    uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 
 /*ARGSUSED*/
 void
 systrace_stub(dtrace_id_t id, uintptr_t arg0, uintptr_t arg1,
-    uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
+    uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5,
+    uintptr_t arg6, uintptr_t arg7)
 {}
 
 /*ARGSUSED*/
 int64_t
 dtrace_systrace_syscall(uintptr_t arg0, uintptr_t arg1, uintptr_t arg2,
-    uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
+    uintptr_t arg3, uintptr_t arg4, uintptr_t arg5, uintptr_t arg6,
+    uintptr_t arg7)
 {
 	systrace_sysent_t *sy = &systrace_sysent[curthread->t_sysnum];
 	dtrace_id_t id;
@@ -1112,7 +1114,8 @@ dtrace_systrace_syscall(uintptr_t arg0, uintptr_t arg1, uintptr_t arg2,
 	proc_t *p;
 
 	if ((id = sy->stsy_entry) != DTRACE_IDNONE)
-		(*systrace_probe)(id, arg0, arg1, arg2, arg3, arg4, arg5);
+		(*systrace_probe)(id, arg0, arg1, arg2, arg3, arg4, arg5,
+		    arg6, arg7);
 
 	/*
 	 * We want to explicitly allow DTrace consumers to stop a process
@@ -1126,14 +1129,15 @@ dtrace_systrace_syscall(uintptr_t arg0, uintptr_t arg1, uintptr_t arg2,
 	}
 	mutex_exit(&p->p_lock);
 
-	rval = (*sy->stsy_underlying)(arg0, arg1, arg2, arg3, arg4, arg5);
+	rval = (*sy->stsy_underlying)(arg0, arg1, arg2, arg3, arg4, arg5,
+	    arg6, arg7);
 
 	if (ttolwp(curthread)->lwp_errno != 0)
 		rval = -1;
 
 	if ((id = sy->stsy_return) != DTRACE_IDNONE)
 		(*systrace_probe)(id, (uintptr_t)rval, (uintptr_t)rval,
-		    (uintptr_t)((int64_t)rval >> 32), 0, 0, 0);
+		    (uintptr_t)((int64_t)rval >> 32), 0, 0, 0, 0, 0);
 
 	return (rval);
 }
@@ -1145,7 +1149,8 @@ systrace_sysent_t *systrace_sysent32;
 /*ARGSUSED*/
 int64_t
 dtrace_systrace_syscall32(uintptr_t arg0, uintptr_t arg1, uintptr_t arg2,
-    uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
+    uintptr_t arg3, uintptr_t arg4, uintptr_t arg5, uintptr_t arg6,
+    uintptr_t arg7)
 {
 	systrace_sysent_t *sy = &systrace_sysent32[curthread->t_sysnum];
 	dtrace_id_t id;
@@ -1153,7 +1158,8 @@ dtrace_systrace_syscall32(uintptr_t arg0, uintptr_t arg1, uintptr_t arg2,
 	proc_t *p;
 
 	if ((id = sy->stsy_entry) != DTRACE_IDNONE)
-		(*systrace_probe)(id, arg0, arg1, arg2, arg3, arg4, arg5);
+		(*systrace_probe)(id, arg0, arg1, arg2, arg3, arg4, arg5, arg6,
+		    arg7);
 
 	/*
 	 * We want to explicitly allow DTrace consumers to stop a process
@@ -1167,14 +1173,15 @@ dtrace_systrace_syscall32(uintptr_t arg0, uintptr_t arg1, uintptr_t arg2,
 	}
 	mutex_exit(&p->p_lock);
 
-	rval = (*sy->stsy_underlying)(arg0, arg1, arg2, arg3, arg4, arg5);
+	rval = (*sy->stsy_underlying)(arg0, arg1, arg2, arg3, arg4, arg5, arg6,
+	    arg7);
 
 	if (ttolwp(curthread)->lwp_errno != 0)
 		rval = -1;
 
 	if ((id = sy->stsy_return) != DTRACE_IDNONE)
 		(*systrace_probe)(id, (uintptr_t)rval, (uintptr_t)rval,
-		    (uintptr_t)((uint64_t)rval >> 32), 0, 0, 0);
+		    (uintptr_t)((uint64_t)rval >> 32), 0, 0, 0, 0, 0);
 
 	return (rval);
 }
@@ -1202,5 +1209,5 @@ dtrace_systrace_rtt(void)
 	}
 
 	if ((id = sy->stsy_return) != DTRACE_IDNONE)
-		(*systrace_probe)(id, 0, 0, 0, 0, 0, 0);
+		(*systrace_probe)(id, 0, 0, 0, 0, 0, 0, 0, 0);
 }
diff --git a/usr/src/uts/common/os/timer.c b/usr/src/uts/common/os/timer.c
index 8559d8736c..b25a6cbcf1 100644
--- a/usr/src/uts/common/os/timer.c
+++ b/usr/src/uts/common/os/timer.c
@@ -269,6 +269,15 @@ clock_add_backend(clockid_t clock, clock_backend_t *backend)
 	clock_backend[clock] = backend;
 }
 
+clock_backend_t *
+clock_get_backend(clockid_t clock)
+{
+	if (clock < 0 || clock >= CLOCK_MAX)
+		return (NULL);
+
+	return (clock_backend[clock]);
+}
+
 int
 clock_settime(clockid_t clock, timespec_t *tp)
 {
@@ -398,7 +407,7 @@ timer_signal(sigqueue_t *sigq)
 /*
  * This routine is called from the clock backend.
  */
-void
+static void
 timer_fire(itimer_t *it)
 {
 	proc_t *p;
@@ -672,7 +681,7 @@ timer_create(clockid_t clock, struct sigevent *evp, timer_t *tid)
 	 * Call on the backend to verify the event argument (or return
 	 * EINVAL if this clock type does not support timers).
 	 */
-	if ((error = backend->clk_timer_create(it, &ev)) != 0)
+	if ((error = backend->clk_timer_create(it, timer_fire)) != 0)
 		goto err;
 
 	it->it_lwp = ttolwp(curthread);
diff --git a/usr/src/uts/common/os/vmem.c b/usr/src/uts/common/os/vmem.c
index a554f8c3f3..0a6fe0ef96 100644
--- a/usr/src/uts/common/os/vmem.c
+++ b/usr/src/uts/common/os/vmem.c
@@ -1618,7 +1618,7 @@ vmem_destroy(vmem_t *vmp)
 
 	leaked = vmem_size(vmp, VMEM_ALLOC);
 	if (leaked != 0)
-		cmn_err(CE_WARN, "vmem_destroy('%s'): leaked %lu %s",
+		cmn_err(CE_WARN, "!vmem_destroy('%s'): leaked %lu %s",
 		    vmp->vm_name, leaked, (vmp->vm_cflags & VMC_IDENTIFIER) ?
 		    "identifiers" : "bytes");
 
diff --git a/usr/src/uts/common/os/zone.c b/usr/src/uts/common/os/zone.c
index 56c654331e..b097b351e6 100644
--- a/usr/src/uts/common/os/zone.c
+++ b/usr/src/uts/common/os/zone.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright 2013, Joyent Inc. All rights reserved.
+ * Copyright 2015, Joyent Inc. All rights reserved.
  */
 
 /*
@@ -370,8 +370,12 @@ static char *zone_ref_subsys_names[] = {
 rctl_hndl_t rc_zone_cpu_shares;
 rctl_hndl_t rc_zone_locked_mem;
 rctl_hndl_t rc_zone_max_swap;
+rctl_hndl_t rc_zone_phys_mem;
 rctl_hndl_t rc_zone_max_lofi;
 rctl_hndl_t rc_zone_cpu_cap;
+rctl_hndl_t rc_zone_cpu_baseline;
+rctl_hndl_t rc_zone_cpu_burst_time;
+rctl_hndl_t rc_zone_zfs_io_pri;
 rctl_hndl_t rc_zone_nlwps;
 rctl_hndl_t rc_zone_nprocs;
 rctl_hndl_t rc_zone_shmmax;
@@ -417,8 +421,9 @@ static boolean_t zsd_wait_for_inprogress(zone_t *, struct zsd_entry *,
  * Version 5 alters the zone_boot system call, and converts its old
  *     bootargs parameter to be set by the zone_setattr API instead.
  * Version 6 adds the flag argument to zone_create.
+ * Version 7 adds the requested zoneid to zone_create.
  */
-static const int ZONE_SYSCALL_API_VERSION = 6;
+static const int ZONE_SYSCALL_API_VERSION = 7;
 
 /*
  * Certain filesystems (such as NFS and autofs) need to know which zone
@@ -1377,6 +1382,114 @@ static rctl_ops_t zone_cpu_cap_ops = {
 
 /*ARGSUSED*/
 static rctl_qty_t
+zone_cpu_base_get(rctl_t *rctl, struct proc *p)
+{
+	ASSERT(MUTEX_HELD(&p->p_lock));
+	return (cpucaps_zone_get_base(p->p_zone));
+}
+
+/*
+ * The zone cpu base is used to set the baseline CPU for the zone
+ * so we can track when the zone is bursting.
+ */
+/*ARGSUSED*/
+static int
+zone_cpu_base_set(rctl_t *rctl, struct proc *p, rctl_entity_p_t *e,
+    rctl_qty_t nv)
+{
+	zone_t *zone = e->rcep_p.zone;
+
+	ASSERT(MUTEX_HELD(&p->p_lock));
+	ASSERT(e->rcep_t == RCENTITY_ZONE);
+
+	if (zone == NULL)
+		return (0);
+
+	return (cpucaps_zone_set_base(zone, nv));
+}
+
+static rctl_ops_t zone_cpu_base_ops = {
+	rcop_no_action,
+	zone_cpu_base_get,
+	zone_cpu_base_set,
+	rcop_no_test
+};
+
+/*ARGSUSED*/
+static rctl_qty_t
+zone_cpu_burst_time_get(rctl_t *rctl, struct proc *p)
+{
+	ASSERT(MUTEX_HELD(&p->p_lock));
+	return (cpucaps_zone_get_burst_time(p->p_zone));
+}
+
+/*
+ * The zone cpu burst time is used to set the amount of time CPU(s) can be
+ * bursting for the zone.
+ */
+/*ARGSUSED*/
+static int
+zone_cpu_burst_time_set(rctl_t *rctl, struct proc *p, rctl_entity_p_t *e,
+    rctl_qty_t nv)
+{
+	zone_t *zone = e->rcep_p.zone;
+
+	ASSERT(MUTEX_HELD(&p->p_lock));
+	ASSERT(e->rcep_t == RCENTITY_ZONE);
+
+	if (zone == NULL)
+		return (0);
+
+	return (cpucaps_zone_set_burst_time(zone, nv));
+}
+
+static rctl_ops_t zone_cpu_burst_time_ops = {
+	rcop_no_action,
+	zone_cpu_burst_time_get,
+	zone_cpu_burst_time_set,
+	rcop_no_test
+};
+
+/*
+ * zone.zfs-io-pri resource control support (IO priority).
+ */
+/*ARGSUSED*/
+static rctl_qty_t
+zone_zfs_io_pri_get(rctl_t *rctl, struct proc *p)
+{
+	ASSERT(MUTEX_HELD(&p->p_lock));
+	return (p->p_zone->zone_zfs_io_pri);
+}
+
+/*ARGSUSED*/
+static int
+zone_zfs_io_pri_set(rctl_t *rctl, struct proc *p, rctl_entity_p_t *e,
+    rctl_qty_t nv)
+{
+	zone_t *zone = e->rcep_p.zone;
+
+	ASSERT(MUTEX_HELD(&p->p_lock));
+	ASSERT(e->rcep_t == RCENTITY_ZONE);
+
+	if (zone == NULL)
+		return (0);
+
+	/*
+	 * set priority to the new value.
+	 */
+	zone->zone_zfs_io_pri = nv;
+	return (0);
+}
+
+static rctl_ops_t zone_zfs_io_pri_ops = {
+	rcop_no_action,
+	zone_zfs_io_pri_get,
+	zone_zfs_io_pri_set,
+	rcop_no_test
+};
+
+/*ARGSUSED*/
+static rctl_qty_t
 zone_lwps_usage(rctl_t *r, proc_t *p)
 {
 	rctl_qty_t nlwps;
@@ -1671,6 +1784,39 @@ static rctl_ops_t zone_max_swap_ops = {
 
 /*ARGSUSED*/
 static rctl_qty_t
+zone_phys_mem_usage(rctl_t *rctl, struct proc *p)
+{
+	rctl_qty_t q;
+	zone_t *z = p->p_zone;
+
+	ASSERT(MUTEX_HELD(&p->p_lock));
+	/* No additional lock because not enforced in the kernel */
+	q = z->zone_phys_mem;
+	return (q);
+}
+
+/*ARGSUSED*/
+static int
+zone_phys_mem_set(rctl_t *rctl, struct proc *p, rctl_entity_p_t *e,
+    rctl_qty_t nv)
+{
+	ASSERT(MUTEX_HELD(&p->p_lock));
+	ASSERT(e->rcep_t == RCENTITY_ZONE);
+	if (e->rcep_p.zone == NULL)
+		return (0);
+	e->rcep_p.zone->zone_phys_mem_ctl = nv;
+	return (0);
+}
+
+static rctl_ops_t zone_phys_mem_ops = {
+	rcop_no_action,
+	zone_phys_mem_usage,
+	zone_phys_mem_set,
+	rcop_no_test
+};
+
+/*ARGSUSED*/
+static rctl_qty_t
 zone_max_lofi_usage(rctl_t *rctl, struct proc *p)
 {
 	rctl_qty_t q;
@@ -1764,6 +1910,20 @@ zone_lockedmem_kstat_update(kstat_t *ksp, int rw)
 }
 
 static int
+zone_physmem_kstat_update(kstat_t *ksp, int rw)
+{
+	zone_t *zone = ksp->ks_private;
+	zone_kstat_t *zk = ksp->ks_data;
+
+	if (rw == KSTAT_WRITE)
+		return (EACCES);
+
+	zk->zk_usage.value.ui64 = zone->zone_phys_mem;
+	zk->zk_value.value.ui64 = zone->zone_phys_mem_ctl;
+	return (0);
+}
+
+static int
 zone_nprocs_kstat_update(kstat_t *ksp, int rw)
 {
 	zone_t *zone = ksp->ks_private;
@@ -1792,7 +1952,7 @@ zone_swapresv_kstat_update(kstat_t *ksp, int rw)
 }
 
 static kstat_t *
-zone_kstat_create_common(zone_t *zone, char *name,
+zone_rctl_kstat_create_common(zone_t *zone, char *name,
     int (*updatefunc) (kstat_t *, int))
 {
 	kstat_t *ksp;
@@ -1818,6 +1978,230 @@ zone_kstat_create_common(zone_t *zone, char *name,
 }
 
 static int
+zone_vfs_kstat_update(kstat_t *ksp, int rw)
+{
+	zone_t *zone = ksp->ks_private;
+	zone_vfs_kstat_t *zvp = ksp->ks_data;
+	kstat_io_t *kiop = &zone->zone_vfs_rwstats;
+
+	if (rw == KSTAT_WRITE)
+		return (EACCES);
+
+	/*
+	 * Extract the VFS statistics from the kstat_io_t structure used by
+	 * kstat_runq_enter() and related functions.  Since the slow ops
+	 * counters are updated directly by the VFS layer, there's no need to
+	 * copy those statistics here.
+	 *
+	 * Note that kstat_runq_enter() and the related functions use
+	 * gethrtime_unscaled(), so scale the time here.
+	 */
+	zvp->zv_nread.value.ui64 = kiop->nread;
+	zvp->zv_reads.value.ui64 = kiop->reads;
+	zvp->zv_rtime.value.ui64 = kiop->rtime;
+	zvp->zv_rlentime.value.ui64 = kiop->rlentime;
+	zvp->zv_nwritten.value.ui64 = kiop->nwritten;
+	zvp->zv_writes.value.ui64 = kiop->writes;
+	zvp->zv_wtime.value.ui64 = kiop->wtime;
+	zvp->zv_wlentime.value.ui64 = kiop->wlentime;
+
+	scalehrtime((hrtime_t *)&zvp->zv_rtime.value.ui64);
+	scalehrtime((hrtime_t *)&zvp->zv_rlentime.value.ui64);
+	scalehrtime((hrtime_t *)&zvp->zv_wtime.value.ui64);
+	scalehrtime((hrtime_t *)&zvp->zv_wlentime.value.ui64);
+
+	return (0);
+}
+
+static kstat_t *
+zone_vfs_kstat_create(zone_t *zone)
+{
+	kstat_t *ksp;
+	zone_vfs_kstat_t *zvp;
+
+	if ((ksp = kstat_create_zone("zone_vfs", zone->zone_id,
+	    zone->zone_name, "zone_vfs", KSTAT_TYPE_NAMED,
+	    sizeof (zone_vfs_kstat_t) / sizeof (kstat_named_t),
+	    KSTAT_FLAG_VIRTUAL, zone->zone_id)) == NULL)
+		return (NULL);
+
+	if (zone->zone_id != GLOBAL_ZONEID)
+		kstat_zone_add(ksp, GLOBAL_ZONEID);
+
+	zvp = ksp->ks_data = kmem_zalloc(sizeof (zone_vfs_kstat_t), KM_SLEEP);
+	ksp->ks_data_size += strlen(zone->zone_name) + 1;
+	ksp->ks_lock = &zone->zone_vfs_lock;
+	zone->zone_vfs_stats = zvp;
+
+	/* The kstat "name" field is not large enough for a full zonename */
+	kstat_named_init(&zvp->zv_zonename, "zonename", KSTAT_DATA_STRING);
+	kstat_named_setstr(&zvp->zv_zonename, zone->zone_name);
+	kstat_named_init(&zvp->zv_nread, "nread", KSTAT_DATA_UINT64);
+	kstat_named_init(&zvp->zv_reads, "reads", KSTAT_DATA_UINT64);
+	kstat_named_init(&zvp->zv_rtime, "rtime", KSTAT_DATA_UINT64);
+	kstat_named_init(&zvp->zv_rlentime, "rlentime", KSTAT_DATA_UINT64);
+	kstat_named_init(&zvp->zv_nwritten, "nwritten", KSTAT_DATA_UINT64);
+	kstat_named_init(&zvp->zv_writes, "writes", KSTAT_DATA_UINT64);
+	kstat_named_init(&zvp->zv_wtime, "wtime", KSTAT_DATA_UINT64);
+	kstat_named_init(&zvp->zv_wlentime, "wlentime", KSTAT_DATA_UINT64);
+	kstat_named_init(&zvp->zv_10ms_ops, "10ms_ops", KSTAT_DATA_UINT64);
+	kstat_named_init(&zvp->zv_100ms_ops, "100ms_ops", KSTAT_DATA_UINT64);
+	kstat_named_init(&zvp->zv_1s_ops, "1s_ops", KSTAT_DATA_UINT64);
+	kstat_named_init(&zvp->zv_10s_ops, "10s_ops", KSTAT_DATA_UINT64);
+	kstat_named_init(&zvp->zv_delay_cnt, "delay_cnt", KSTAT_DATA_UINT64);
+	kstat_named_init(&zvp->zv_delay_time, "delay_time", KSTAT_DATA_UINT64);
+
+	ksp->ks_update = zone_vfs_kstat_update;
+	ksp->ks_private = zone;
+
+	kstat_install(ksp);
+	return (ksp);
+}
+
+static int
+zone_zfs_kstat_update(kstat_t *ksp, int rw)
+{
+	zone_t *zone = ksp->ks_private;
+	zone_zfs_kstat_t *zzp = ksp->ks_data;
+	kstat_io_t *kiop = &zone->zone_zfs_rwstats;
+
+	if (rw == KSTAT_WRITE)
+		return (EACCES);
+
+	/*
+	 * Extract the ZFS statistics from the kstat_io_t structure used by
+	 * kstat_runq_enter() and related functions.  Since the I/O throttle
+	 * counters are updated directly by the ZFS layer, there's no need to
+	 * copy those statistics here.
+	 *
+	 * Note that kstat_runq_enter() and the related functions use
+	 * gethrtime_unscaled(), so scale the time here.
+	 */
+	zzp->zz_nread.value.ui64 = kiop->nread;
+	zzp->zz_reads.value.ui64 = kiop->reads;
+	zzp->zz_rtime.value.ui64 = kiop->rtime;
+	zzp->zz_rlentime.value.ui64 = kiop->rlentime;
+	zzp->zz_nwritten.value.ui64 = kiop->nwritten;
+	zzp->zz_writes.value.ui64 = kiop->writes;
+
+	scalehrtime((hrtime_t *)&zzp->zz_rtime.value.ui64);
+	scalehrtime((hrtime_t *)&zzp->zz_rlentime.value.ui64);
+
+	return (0);
+}
+
+static kstat_t *
+zone_zfs_kstat_create(zone_t *zone)
+{
+	kstat_t *ksp;
+	zone_zfs_kstat_t *zzp;
+
+	if ((ksp = kstat_create_zone("zone_zfs", zone->zone_id,
+	    zone->zone_name, "zone_zfs", KSTAT_TYPE_NAMED,
+	    sizeof (zone_zfs_kstat_t) / sizeof (kstat_named_t),
+	    KSTAT_FLAG_VIRTUAL, zone->zone_id)) == NULL)
+		return (NULL);
+
+	if (zone->zone_id != GLOBAL_ZONEID)
+		kstat_zone_add(ksp, GLOBAL_ZONEID);
+
+	zzp = ksp->ks_data = kmem_zalloc(sizeof (zone_zfs_kstat_t), KM_SLEEP);
+	ksp->ks_data_size += strlen(zone->zone_name) + 1;
+	ksp->ks_lock = &zone->zone_zfs_lock;
+	zone->zone_zfs_stats = zzp;
+
+	/* The kstat "name" field is not large enough for a full zonename */
+	kstat_named_init(&zzp->zz_zonename, "zonename", KSTAT_DATA_STRING);
+	kstat_named_setstr(&zzp->zz_zonename, zone->zone_name);
+	kstat_named_init(&zzp->zz_nread, "nread", KSTAT_DATA_UINT64);
+	kstat_named_init(&zzp->zz_reads, "reads", KSTAT_DATA_UINT64);
+	kstat_named_init(&zzp->zz_rtime, "rtime", KSTAT_DATA_UINT64);
+	kstat_named_init(&zzp->zz_rlentime, "rlentime", KSTAT_DATA_UINT64);
+	kstat_named_init(&zzp->zz_nwritten, "nwritten", KSTAT_DATA_UINT64);
+	kstat_named_init(&zzp->zz_writes, "writes", KSTAT_DATA_UINT64);
+	kstat_named_init(&zzp->zz_waittime, "waittime", KSTAT_DATA_UINT64);
+
+	ksp->ks_update = zone_zfs_kstat_update;
+	ksp->ks_private = zone;
+
+	kstat_install(ksp);
+	return (ksp);
+}
+
+static int
+zone_mcap_kstat_update(kstat_t *ksp, int rw)
+{
+	zone_t *zone = ksp->ks_private;
+	zone_mcap_kstat_t *zmp = ksp->ks_data;
+
+	if (rw == KSTAT_WRITE)
+		return (EACCES);
+
+	zmp->zm_rss.value.ui64 = zone->zone_phys_mem;
+	zmp->zm_phys_cap.value.ui64 = zone->zone_phys_mem_ctl;
+	zmp->zm_swap.value.ui64 = zone->zone_max_swap;
+	zmp->zm_swap_cap.value.ui64 = zone->zone_max_swap_ctl;
+	zmp->zm_nover.value.ui64 = zone->zone_mcap_nover;
+	zmp->zm_pagedout.value.ui64 = zone->zone_mcap_pagedout;
+	zmp->zm_pgpgin.value.ui64 = zone->zone_pgpgin;
+	zmp->zm_anonpgin.value.ui64 = zone->zone_anonpgin;
+	zmp->zm_execpgin.value.ui64 = zone->zone_execpgin;
+	zmp->zm_fspgin.value.ui64 = zone->zone_fspgin;
+	zmp->zm_anon_alloc_fail.value.ui64 = zone->zone_anon_alloc_fail;
+	zmp->zm_pf_throttle.value.ui64 = zone->zone_pf_throttle;
+	zmp->zm_pf_throttle_usec.value.ui64 = zone->zone_pf_throttle_usec;
+
+	return (0);
+}
+
+static kstat_t *
+zone_mcap_kstat_create(zone_t *zone)
+{
+	kstat_t *ksp;
+	zone_mcap_kstat_t *zmp;
+
+	if ((ksp = kstat_create_zone("memory_cap", zone->zone_id,
+	    zone->zone_name, "zone_memory_cap", KSTAT_TYPE_NAMED,
+	    sizeof (zone_mcap_kstat_t) / sizeof (kstat_named_t),
+	    KSTAT_FLAG_VIRTUAL, zone->zone_id)) == NULL)
+		return (NULL);
+
+	if (zone->zone_id != GLOBAL_ZONEID)
+		kstat_zone_add(ksp, GLOBAL_ZONEID);
+
+	zmp = ksp->ks_data = kmem_zalloc(sizeof (zone_mcap_kstat_t), KM_SLEEP);
+	ksp->ks_data_size += strlen(zone->zone_name) + 1;
+	ksp->ks_lock = &zone->zone_mcap_lock;
+	zone->zone_mcap_stats = zmp;
+
+	/* The kstat "name" field is not large enough for a full zonename */
+	kstat_named_init(&zmp->zm_zonename, "zonename", KSTAT_DATA_STRING);
+	kstat_named_setstr(&zmp->zm_zonename, zone->zone_name);
+	kstat_named_init(&zmp->zm_rss, "rss", KSTAT_DATA_UINT64);
+	kstat_named_init(&zmp->zm_phys_cap, "physcap", KSTAT_DATA_UINT64);
+	kstat_named_init(&zmp->zm_swap, "swap", KSTAT_DATA_UINT64);
+	kstat_named_init(&zmp->zm_swap_cap, "swapcap", KSTAT_DATA_UINT64);
+	kstat_named_init(&zmp->zm_nover, "nover", KSTAT_DATA_UINT64);
+	kstat_named_init(&zmp->zm_pagedout, "pagedout", KSTAT_DATA_UINT64);
+	kstat_named_init(&zmp->zm_pgpgin, "pgpgin", KSTAT_DATA_UINT64);
+	kstat_named_init(&zmp->zm_anonpgin, "anonpgin", KSTAT_DATA_UINT64);
+	kstat_named_init(&zmp->zm_execpgin, "execpgin", KSTAT_DATA_UINT64);
+	kstat_named_init(&zmp->zm_fspgin, "fspgin", KSTAT_DATA_UINT64);
+	kstat_named_init(&zmp->zm_anon_alloc_fail, "anon_alloc_fail",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&zmp->zm_pf_throttle, "n_pf_throttle",
+	    KSTAT_DATA_UINT64);
+	kstat_named_init(&zmp->zm_pf_throttle_usec, "n_pf_throttle_usec",
+	    KSTAT_DATA_UINT64);
+
+	ksp->ks_update = zone_mcap_kstat_update;
+	ksp->ks_private = zone;
+
+	kstat_install(ksp);
+	return (ksp);
+}
+
+static int
 zone_misc_kstat_update(kstat_t *ksp, int rw)
 {
 	zone_t *zone = ksp->ks_private;
@@ -1846,6 +2230,9 @@ zone_misc_kstat_update(kstat_t *ksp, int rw)
 	zmp->zm_ffnomem.value.ui32 = zone->zone_ffnomem;
 	zmp->zm_ffmisc.value.ui32 = zone->zone_ffmisc;
 
+	zmp->zm_init_pid.value.ui32 = zone->zone_proc_initpid;
+	zmp->zm_boot_time.value.ui64 = (uint64_t)zone->zone_boot_time;
+
 	return (0);
 }
 
@@ -1884,7 +2271,8 @@ zone_misc_kstat_create(zone_t *zone)
 	    KSTAT_DATA_UINT32);
 	kstat_named_init(&zmp->zm_ffnomem, "forkfail_nomem", KSTAT_DATA_UINT32);
 	kstat_named_init(&zmp->zm_ffmisc, "forkfail_misc", KSTAT_DATA_UINT32);
-
+	kstat_named_init(&zmp->zm_init_pid, "init_pid", KSTAT_DATA_UINT32);
+	kstat_named_init(&zmp->zm_boot_time, "boot_time", KSTAT_DATA_UINT64);
 
 	ksp->ks_update = zone_misc_kstat_update;
 	ksp->ks_private = zone;
@@ -1896,13 +2284,30 @@ zone_misc_kstat_create(zone_t *zone)
 static void
 zone_kstat_create(zone_t *zone)
 {
-	zone->zone_lockedmem_kstat = zone_kstat_create_common(zone,
+	zone->zone_lockedmem_kstat = zone_rctl_kstat_create_common(zone,
 	    "lockedmem", zone_lockedmem_kstat_update);
-	zone->zone_swapresv_kstat = zone_kstat_create_common(zone,
+	zone->zone_swapresv_kstat = zone_rctl_kstat_create_common(zone,
 	    "swapresv", zone_swapresv_kstat_update);
-	zone->zone_nprocs_kstat = zone_kstat_create_common(zone,
+	zone->zone_physmem_kstat = zone_rctl_kstat_create_common(zone,
+	    "physicalmem", zone_physmem_kstat_update);
+	zone->zone_nprocs_kstat = zone_rctl_kstat_create_common(zone,
 	    "nprocs", zone_nprocs_kstat_update);
 
+	if ((zone->zone_vfs_ksp = zone_vfs_kstat_create(zone)) == NULL) {
+		zone->zone_vfs_stats = kmem_zalloc(
+		    sizeof (zone_vfs_kstat_t), KM_SLEEP);
+	}
+
+	if ((zone->zone_zfs_ksp = zone_zfs_kstat_create(zone)) == NULL) {
+		zone->zone_zfs_stats = kmem_zalloc(
+		    sizeof (zone_zfs_kstat_t), KM_SLEEP);
+	}
+
+	if ((zone->zone_mcap_ksp = zone_mcap_kstat_create(zone)) == NULL) {
+		zone->zone_mcap_stats = kmem_zalloc(
+		    sizeof (zone_mcap_kstat_t), KM_SLEEP);
+	}
+
 	if ((zone->zone_misc_ksp = zone_misc_kstat_create(zone)) == NULL) {
 		zone->zone_misc_stats = kmem_zalloc(
 		    sizeof (zone_misc_kstat_t), KM_SLEEP);
@@ -1929,8 +2334,17 @@ zone_kstat_delete(zone_t *zone)
 	    sizeof (zone_kstat_t));
 	zone_kstat_delete_common(&zone->zone_swapresv_kstat,
 	    sizeof (zone_kstat_t));
+	zone_kstat_delete_common(&zone->zone_physmem_kstat,
+	    sizeof (zone_kstat_t));
 	zone_kstat_delete_common(&zone->zone_nprocs_kstat,
 	    sizeof (zone_kstat_t));
+
+	zone_kstat_delete_common(&zone->zone_vfs_ksp,
+	    sizeof (zone_vfs_kstat_t));
+	zone_kstat_delete_common(&zone->zone_zfs_ksp,
+	    sizeof (zone_zfs_kstat_t));
+	zone_kstat_delete_common(&zone->zone_mcap_ksp,
+	    sizeof (zone_mcap_kstat_t));
 	zone_kstat_delete_common(&zone->zone_misc_ksp,
 	    sizeof (zone_misc_kstat_t));
 }
@@ -1966,6 +2380,8 @@ zone_zsd_init(void)
 	zone0.zone_locked_mem_ctl = UINT64_MAX;
 	ASSERT(zone0.zone_max_swap == 0);
 	zone0.zone_max_swap_ctl = UINT64_MAX;
+	zone0.zone_phys_mem = 0;
+	zone0.zone_phys_mem_ctl = UINT64_MAX;
 	zone0.zone_max_lofi = 0;
 	zone0.zone_max_lofi_ctl = UINT64_MAX;
 	zone0.zone_shmmax = 0;
@@ -1989,8 +2405,9 @@ zone_zsd_init(void)
 	zone0.zone_initname = initname;
 	zone0.zone_lockedmem_kstat = NULL;
 	zone0.zone_swapresv_kstat = NULL;
+	zone0.zone_physmem_kstat = NULL;
 	zone0.zone_nprocs_kstat = NULL;
-
+	zone0.zone_zfs_io_pri = 1;
 	zone0.zone_stime = 0;
 	zone0.zone_utime = 0;
 	zone0.zone_wtime = 0;
@@ -2101,6 +2518,21 @@ zone_init(void)
 	    RCTL_GLOBAL_INFINITE,
 	    MAXCAP, MAXCAP, &zone_cpu_cap_ops);
 
+	rc_zone_cpu_baseline = rctl_register("zone.cpu-baseline",
+	    RCENTITY_ZONE, RCTL_GLOBAL_SIGNAL_NEVER | RCTL_GLOBAL_DENY_NEVER |
+	    RCTL_GLOBAL_NOBASIC | RCTL_GLOBAL_COUNT | RCTL_GLOBAL_SYSLOG_NEVER,
+	    MAXCAP, MAXCAP, &zone_cpu_base_ops);
+
+	rc_zone_cpu_burst_time = rctl_register("zone.cpu-burst-time",
+	    RCENTITY_ZONE, RCTL_GLOBAL_SIGNAL_NEVER | RCTL_GLOBAL_DENY_NEVER |
+	    RCTL_GLOBAL_NOBASIC | RCTL_GLOBAL_COUNT | RCTL_GLOBAL_SYSLOG_NEVER,
+	    INT_MAX, INT_MAX, &zone_cpu_burst_time_ops);
+
+	rc_zone_zfs_io_pri = rctl_register("zone.zfs-io-priority",
+	    RCENTITY_ZONE, RCTL_GLOBAL_SIGNAL_NEVER | RCTL_GLOBAL_DENY_NEVER |
+	    RCTL_GLOBAL_NOBASIC | RCTL_GLOBAL_COUNT | RCTL_GLOBAL_SYSLOG_NEVER,
+	    16384, 16384, &zone_zfs_io_pri_ops);
+
 	rc_zone_nlwps = rctl_register("zone.max-lwps", RCENTITY_ZONE,
 	    RCTL_GLOBAL_NOACTION | RCTL_GLOBAL_NOBASIC | RCTL_GLOBAL_COUNT,
 	    INT_MAX, INT_MAX, &zone_lwps_ops);
@@ -2142,6 +2574,20 @@ zone_init(void)
 	rde = rctl_dict_lookup("zone.cpu-shares");
 	(void) rctl_val_list_insert(&rde->rcd_default_value, dval);
 
+	/*
+	 * Create a rctl_val with PRIVILEGED, NOACTION, value = 1.  Then attach
+	 * this at the head of the rctl_dict_entry for ``zone.zfs-io-priority'.
+	 */
+	dval = kmem_cache_alloc(rctl_val_cache, KM_SLEEP);
+	bzero(dval, sizeof (rctl_val_t));
+	dval->rcv_value = 1;
+	dval->rcv_privilege = RCPRIV_PRIVILEGED;
+	dval->rcv_flagaction = RCTL_LOCAL_NOACTION;
+	dval->rcv_action_recip_pid = -1;
+
+	rde = rctl_dict_lookup("zone.zfs-io-priority");
+	(void) rctl_val_list_insert(&rde->rcd_default_value, dval);
+
 	rc_zone_locked_mem = rctl_register("zone.max-locked-memory",
 	    RCENTITY_ZONE, RCTL_GLOBAL_NOBASIC | RCTL_GLOBAL_BYTES |
 	    RCTL_GLOBAL_DENY_ALWAYS, UINT64_MAX, UINT64_MAX,
@@ -2152,6 +2598,11 @@ zone_init(void)
 	    RCTL_GLOBAL_DENY_ALWAYS, UINT64_MAX, UINT64_MAX,
 	    &zone_max_swap_ops);
 
+	rc_zone_phys_mem = rctl_register("zone.max-physical-memory",
+	    RCENTITY_ZONE, RCTL_GLOBAL_NOBASIC | RCTL_GLOBAL_BYTES |
+	    RCTL_GLOBAL_DENY_ALWAYS, UINT64_MAX, UINT64_MAX,
+	    &zone_phys_mem_ops);
+
 	rc_zone_max_lofi = rctl_register("zone.max-lofi",
 	    RCENTITY_ZONE, RCTL_GLOBAL_NOBASIC | RCTL_GLOBAL_COUNT |
 	    RCTL_GLOBAL_DENY_ALWAYS, UINT64_MAX, UINT64_MAX,
@@ -2173,6 +2624,8 @@ zone_init(void)
 	zone0.zone_ntasks = 1;
 	mutex_exit(&p0.p_lock);
 	zone0.zone_restart_init = B_TRUE;
+	zone0.zone_reboot_on_init_exit = B_FALSE;
+	zone0.zone_init_status = -1;
 	zone0.zone_brand = &native_brand;
 	rctl_prealloc_destroy(gp);
 	/*
@@ -2252,6 +2705,8 @@ zone_init(void)
 static void
 zone_free(zone_t *zone)
 {
+	zone_dl_t *zdl;
+
 	ASSERT(zone != global_zone);
 	ASSERT(zone->zone_ntasks == 0);
 	ASSERT(zone->zone_nlwps == 0);
@@ -2280,6 +2735,19 @@ zone_free(zone_t *zone)
 	list_destroy(&zone->zone_ref_list);
 	zone_free_zsd(zone);
 	zone_free_datasets(zone);
+
+	/*
+	 * While dlmgmtd should have removed all of these, it could have left
+	 * something behind or crashed. In which case it's not safe for us to
+	 * assume that the list is empty which list_destroy() will ASSERT. We
+	 * clean up for our userland comrades which may have crashed, or worse,
+	 * been disabled by SMF.
+	 */
+	while ((zdl = list_remove_head(&zone->zone_dl_list)) != NULL) {
+		if (zdl->zdl_net != NULL)
+			nvlist_free(zdl->zdl_net);
+		kmem_free(zdl, sizeof (zone_dl_t));
+	}
 	list_destroy(&zone->zone_dl_list);
 
 	if (zone->zone_rootvp != NULL)
@@ -2324,12 +2792,18 @@ zone_free(zone_t *zone)
 static void
 zone_status_set(zone_t *zone, zone_status_t status)
 {
+	timestruc_t now;
+	uint64_t t;
 
 	nvlist_t *nvl = NULL;
 	ASSERT(MUTEX_HELD(&zone_status_lock));
 	ASSERT(status > ZONE_MIN_STATE && status <= ZONE_MAX_STATE &&
 	    status >= zone_status_get(zone));
 
+	/* Current time since Jan 1 1970 but consumers expect NS */
+	gethrestime(&now);
+	t = (now.tv_sec * NANOSEC) + now.tv_nsec;
+
 	if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, KM_SLEEP) ||
 	    nvlist_add_string(nvl, ZONE_CB_NAME, zone->zone_name) ||
 	    nvlist_add_string(nvl, ZONE_CB_NEWSTATE,
@@ -2337,7 +2811,7 @@ zone_status_set(zone_t *zone, zone_status_t status)
 	    nvlist_add_string(nvl, ZONE_CB_OLDSTATE,
 	    zone_status_table[zone->zone_status]) ||
 	    nvlist_add_int32(nvl, ZONE_CB_ZONEID, zone->zone_id) ||
-	    nvlist_add_uint64(nvl, ZONE_CB_TIMESTAMP, (uint64_t)gethrtime()) ||
+	    nvlist_add_uint64(nvl, ZONE_CB_TIMESTAMP, t) ||
 	    sysevent_evc_publish(zone_event_chan, ZONE_EVENT_STATUS_CLASS,
 	    ZONE_EVENT_STATUS_SUBCLASS, "sun.com", "kernel", nvl, EVCH_SLEEP)) {
 #ifdef DEBUG
@@ -2463,14 +2937,65 @@ zone_set_initname(zone_t *zone, const char *zone_initname)
 	return (0);
 }
 
+/*
+ * The zone_set_mcap_nover and zone_set_mcap_pageout functions are used
+ * to provide the physical memory capping kstats.  Since physical memory
+ * capping is currently implemented in userland, that code uses the setattr
+ * entry point to increment the kstats.  We always simply increment nover
+ * every time that setattr is called and we always add in the input value
+ * to zone_mcap_pagedout every time that is called.
+ */
+/*ARGSUSED*/
 static int
-zone_set_phys_mcap(zone_t *zone, const uint64_t *zone_mcap)
+zone_set_mcap_nover(zone_t *zone, const uint64_t *zone_nover)
 {
-	uint64_t mcap;
-	int err = 0;
+	zone->zone_mcap_nover++;
+
+	return (0);
+}
+
+static int
+zone_set_mcap_pageout(zone_t *zone, const uint64_t *zone_pageout)
+{
+	uint64_t pageout;
+	int err;
+
+	if ((err = copyin(zone_pageout, &pageout, sizeof (uint64_t))) == 0)
+		zone->zone_mcap_pagedout += pageout;
+
+	return (err);
+}
+
+/*
+ * The zone_set_page_fault_delay function is used to set the number of usecs
+ * to throttle page faults.  This is normally 0 but can be set to a non-0 value
+ * by the user-land memory capping code when the zone is over its physcial
+ * memory cap.
+ */
+static int
+zone_set_page_fault_delay(zone_t *zone, const uint32_t *pfdelay)
+{
+	uint32_t dusec;
+	int err;
+
+	if ((err = copyin(pfdelay, &dusec, sizeof (uint32_t))) == 0)
+		zone->zone_pg_flt_delay = dusec;
+
+	return (err);
+}
+
+/*
+ * The zone_set_rss function is used to set the zone's RSS when we do the
+ * fast, approximate calculation in user-land.
+ */
+static int
+zone_set_rss(zone_t *zone, const uint64_t *prss)
+{
+	uint64_t rss;
+	int err;
 
-	if ((err = copyin(zone_mcap, &mcap, sizeof (uint64_t))) == 0)
-		zone->zone_phys_mcap = mcap;
+	if ((err = copyin(prss, &rss, sizeof (uint64_t))) == 0)
+		zone->zone_phys_mem = rss;
 
 	return (err);
 }
@@ -2882,6 +3407,12 @@ getzoneid(void)
 	return (curproc->p_zone->zone_id);
 }
 
+zoneid_t
+getzonedid(void)
+{
+	return (curproc->p_zone->zone_did);
+}
+
 /*
  * Internal versions of zone_find_by_*().  These don't zone_hold() or
  * check the validity of a zone's state.
@@ -4139,8 +4670,9 @@ parse_rctls(caddr_t ubuf, size_t buflen, nvlist_t **nvlp)
 
 		error = EINVAL;
 		name = nvpair_name(nvp);
-		if (strncmp(nvpair_name(nvp), "zone.", sizeof ("zone.") - 1)
-		    != 0 || nvpair_type(nvp) != DATA_TYPE_NVLIST_ARRAY) {
+		if ((strncmp(name, "zone.", sizeof ("zone.") - 1) != 0 &&
+		    strncmp(name, "project.", sizeof ("project.") - 1) != 0) ||
+		    nvpair_type(nvp) != DATA_TYPE_NVLIST_ARRAY) {
 			goto out;
 		}
 		if ((hndl = rctl_hndl_lookup(name)) == -1) {
@@ -4258,7 +4790,7 @@ zone_create(const char *zone_name, const char *zone_root,
     caddr_t rctlbuf, size_t rctlbufsz,
     caddr_t zfsbuf, size_t zfsbufsz, int *extended_error,
     int match, uint32_t doi, const bslabel_t *label,
-    int flags)
+    int flags, zoneid_t zone_did)
 {
 	struct zsched_arg zarg;
 	nvlist_t *rctls = NULL;
@@ -4281,6 +4813,7 @@ zone_create(const char *zone_name, const char *zone_root,
 
 	zone = kmem_zalloc(sizeof (zone_t), KM_SLEEP);
 	zoneid = zone->zone_id = id_alloc(zoneid_space);
+	zone->zone_did = zone_did;
 	zone->zone_status = ZONE_IS_UNINITIALIZED;
 	zone->zone_pool = pool_default;
 	zone->zone_pool_mod = gethrtime();
@@ -4288,6 +4821,8 @@ zone_create(const char *zone_name, const char *zone_root,
 	zone->zone_ncpus = 0;
 	zone->zone_ncpus_online = 0;
 	zone->zone_restart_init = B_TRUE;
+	zone->zone_reboot_on_init_exit = B_FALSE;
+	zone->zone_init_status = -1;
 	zone->zone_brand = &native_brand;
 	zone->zone_initname = NULL;
 	mutex_init(&zone->zone_lock, NULL, MUTEX_DEFAULT, NULL);
@@ -4349,10 +4884,14 @@ zone_create(const char *zone_name, const char *zone_root,
 	zone->zone_locked_mem_ctl = UINT64_MAX;
 	zone->zone_max_swap = 0;
 	zone->zone_max_swap_ctl = UINT64_MAX;
+	zone->zone_phys_mem = 0;
+	zone->zone_phys_mem_ctl = UINT64_MAX;
 	zone->zone_max_lofi = 0;
 	zone->zone_max_lofi_ctl = UINT64_MAX;
-	zone0.zone_lockedmem_kstat = NULL;
-	zone0.zone_swapresv_kstat = NULL;
+	zone->zone_lockedmem_kstat = NULL;
+	zone->zone_swapresv_kstat = NULL;
+	zone->zone_physmem_kstat = NULL;
+	zone->zone_zfs_io_pri = 1;
 
 	/*
 	 * Zsched initializes the rctls.
@@ -4509,8 +5048,8 @@ zone_create(const char *zone_name, const char *zone_root,
 	/*
 	 * The process, task, and project rctls are probably wrong;
 	 * we need an interface to get the default values of all rctls,
-	 * and initialize zsched appropriately.  I'm not sure that that
-	 * makes much of a difference, though.
+	 * and initialize zsched appropriately. However, we allow zoneadmd
+	 * to pass down both zone and project rctls for the zone's init.
 	 */
 	error = newproc(zsched, (void *)&zarg, syscid, minclsyspri, NULL, 0);
 	if (error != 0) {
@@ -4651,6 +5190,7 @@ zone_boot(zoneid_t zoneid)
 static int
 zone_empty(zone_t *zone)
 {
+	int cnt = 0;
 	int waitstatus;
 
 	/*
@@ -4661,7 +5201,16 @@ zone_empty(zone_t *zone)
 	ASSERT(MUTEX_NOT_HELD(&zonehash_lock));
 	while ((waitstatus = zone_status_timedwait_sig(zone,
 	    ddi_get_lbolt() + hz, ZONE_IS_EMPTY)) == -1) {
-		killall(zone->zone_id);
+		boolean_t force = B_FALSE;
+
+		/* Every 30 seconds, try harder */
+		if (cnt++ >= 30) {
+			cmn_err(CE_WARN, "attempt to force kill zone %d\n",
+			    zone->zone_id);
+			force = B_TRUE;
+			cnt = 0;
+		}
+		killall(zone->zone_id, force);
 	}
 	/*
 	 * return EINTR if we were signaled
@@ -5412,14 +5961,6 @@ zone_getattr(zoneid_t zoneid, int attr, void *buf, size_t bufsize)
 				error = EFAULT;
 		}
 		break;
-	case ZONE_ATTR_PHYS_MCAP:
-		size = sizeof (zone->zone_phys_mcap);
-		if (bufsize > size)
-			bufsize = size;
-		if (buf != NULL &&
-		    copyout(&zone->zone_phys_mcap, buf, bufsize) != 0)
-			error = EFAULT;
-		break;
 	case ZONE_ATTR_SCHED_CLASS:
 		mutex_enter(&class_lock);
 
@@ -5474,6 +6015,14 @@ zone_getattr(zoneid_t zoneid, int attr, void *buf, size_t bufsize)
 		}
 		kmem_free(zbuf, bufsize);
 		break;
+	case ZONE_ATTR_DID:
+		size = sizeof (zoneid_t);
+		if (bufsize > size)
+			bufsize = size;
+
+		if (buf != NULL && copyout(&zone->zone_did, buf, bufsize) != 0)
+			error = EFAULT;
+		break;
 	default:
 		if ((attr >= ZONE_ATTR_BRAND_ATTRS) && ZONE_IS_BRANDED(zone)) {
 			size = bufsize;
@@ -5505,10 +6054,11 @@ zone_setattr(zoneid_t zoneid, int attr, void *buf, size_t bufsize)
 		return (set_errno(EPERM));
 
 	/*
-	 * Only the ZONE_ATTR_PHYS_MCAP attribute can be set on the
-	 * global zone.
+	 * Only the ZONE_ATTR_PMCAP_NOVER and ZONE_ATTR_PMCAP_PAGEOUT
+	 * attributes can be set on the global zone.
 	 */
-	if (zoneid == GLOBAL_ZONEID && attr != ZONE_ATTR_PHYS_MCAP) {
+	if (zoneid == GLOBAL_ZONEID &&
+	    attr != ZONE_ATTR_PMCAP_NOVER && attr != ZONE_ATTR_PMCAP_PAGEOUT) {
 		return (set_errno(EINVAL));
 	}
 
@@ -5525,7 +6075,9 @@ zone_setattr(zoneid_t zoneid, int attr, void *buf, size_t bufsize)
 	 * non-global zones.
 	 */
 	zone_status = zone_status_get(zone);
-	if (attr != ZONE_ATTR_PHYS_MCAP && zone_status > ZONE_IS_READY) {
+	if (attr != ZONE_ATTR_PMCAP_NOVER && attr != ZONE_ATTR_PMCAP_PAGEOUT &&
+	    attr != ZONE_ATTR_PG_FLT_DELAY && attr != ZONE_ATTR_RSS &&
+	    zone_status > ZONE_IS_READY) {
 		err = EINVAL;
 		goto done;
 	}
@@ -5547,8 +6099,17 @@ zone_setattr(zoneid_t zoneid, int attr, void *buf, size_t bufsize)
 	case ZONE_ATTR_FS_ALLOWED:
 		err = zone_set_fs_allowed(zone, (const char *)buf);
 		break;
-	case ZONE_ATTR_PHYS_MCAP:
-		err = zone_set_phys_mcap(zone, (const uint64_t *)buf);
+	case ZONE_ATTR_PMCAP_NOVER:
+		err = zone_set_mcap_nover(zone, (const uint64_t *)buf);
+		break;
+	case ZONE_ATTR_PMCAP_PAGEOUT:
+		err = zone_set_mcap_pageout(zone, (const uint64_t *)buf);
+		break;
+	case ZONE_ATTR_PG_FLT_DELAY:
+		err = zone_set_page_fault_delay(zone, (const uint32_t *)buf);
+		break;
+	case ZONE_ATTR_RSS:
+		err = zone_set_rss(zone, (const uint64_t *)buf);
 		break;
 	case ZONE_ATTR_SCHED_CLASS:
 		err = zone_set_sched_class(zone, (const char *)buf);
@@ -6269,6 +6830,7 @@ zone(int cmd, void *arg1, void *arg2, void *arg3, void *arg4)
 			zs.doi = zs32.doi;
 			zs.label = (const bslabel_t *)(uintptr_t)zs32.label;
 			zs.flags = zs32.flags;
+			zs.zoneid = zs32.zoneid;
 #else
 			panic("get_udatamodel() returned bogus result\n");
 #endif
@@ -6279,7 +6841,7 @@ zone(int cmd, void *arg1, void *arg2, void *arg3, void *arg4)
 		    (caddr_t)zs.rctlbuf, zs.rctlbufsz,
 		    (caddr_t)zs.zfsbuf, zs.zfsbufsz,
 		    zs.extended_error, zs.match, zs.doi,
-		    zs.label, zs.flags));
+		    zs.label, zs.flags, zs.zoneid));
 	case ZONE_BOOT:
 		return (zone_boot((zoneid_t)(uintptr_t)arg1));
 	case ZONE_DESTROY:
@@ -6380,6 +6942,7 @@ zone_ki_call_zoneadmd(struct zarg *zargp)
 	bcopy(zone->zone_name, zone_name, zone_namelen);
 	zoneid = zone->zone_id;
 	uniqid = zone->zone_uniqid;
+	arg.status = zone->zone_init_status;
 	/*
 	 * zoneadmd may be down, but at least we can empty out the zone.
 	 * We can ignore the return value of zone_empty() since we're called
@@ -6557,7 +7120,7 @@ zone_kadmin(int cmd, int fcn, const char *mdep, cred_t *credp)
 	 * zone_ki_call_zoneadmd() will do a more thorough job of this
 	 * later.
 	 */
-	killall(zone->zone_id);
+	killall(zone->zone_id, B_FALSE);
 	/*
 	 * Now, create the thread to contact zoneadmd and do the rest of the
 	 * work.  This thread can't be created in our zone otherwise
diff --git a/usr/src/uts/common/io/scsi/adapters/mpt_sas/mptsas_hash.c b/usr/src/uts/common/refhash/refhash.c
index 8f96c2d9f1..e2de00597e 100644
--- a/usr/src/uts/common/io/scsi/adapters/mpt_sas/mptsas_hash.c
+++ b/usr/src/uts/common/refhash/refhash.c
@@ -10,16 +10,18 @@
  */
 
 /*
- * Copyright 2014 Joyent, Inc.  All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
-#include <sys/scsi/adapters/mpt_sas/mptsas_hash.h>
+#include <sys/refhash.h>
 #include <sys/sysmacros.h>
 #include <sys/types.h>
 #include <sys/kmem.h>
 #include <sys/list.h>
 #include <sys/ddi.h>
 
+#define	RHL_F_DEAD	0x01
+
 #ifdef lint
 extern refhash_link_t *obj_to_link(refhash_t *, void *);
 extern void *link_to_obj(refhash_t *, refhash_link_t *);
diff --git a/usr/src/uts/common/sys/Makefile b/usr/src/uts/common/sys/Makefile
index c99ef8accb..a6537c9db3 100644
--- a/usr/src/uts/common/sys/Makefile
+++ b/usr/src/uts/common/sys/Makefile
@@ -22,6 +22,7 @@
 # Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
 # Copyright 2013, Joyent, Inc. All rights reserved.
 # Copyright 2013 Garrett D'Amore <garrett@damore.org>
+# Copyright 2015, Joyent, Inc. All rights reserved.
 #
 
 include $(SRC)/uts/Makefile.uts
@@ -212,6 +213,7 @@ CHKHDRS=			\
 	emul64cmd.h		\
 	emul64var.h		\
 	epm.h			\
+	epoll.h			\
 	errno.h			\
 	errorq.h		\
 	errorq_impl.h		\
@@ -219,6 +221,7 @@ CHKHDRS=			\
 	ethernet.h		\
 	euc.h			\
 	eucioctl.h		\
+	eventfd.h		\
 	exacct.h		\
 	exacct_catalog.h	\
 	exacct_impl.h		\
@@ -243,6 +246,7 @@ CHKHDRS=			\
 	flock.h			\
 	flock_impl.h		\
 	fork.h			\
+	frameio.h		\
 	fss.h			\
 	fsspriocntl.h		\
 	fsid.h			\
@@ -268,6 +272,7 @@ CHKHDRS=			\
 	idmap.h 		\
 	ieeefp.h		\
 	id_space.h		\
+	inotify.h		\
 	instance.h		\
 	int_const.h		\
 	int_fmtio.h		\
@@ -336,6 +341,7 @@ CHKHDRS=			\
 	lgrp.h			\
 	lgrp_user.h		\
 	libc_kernel.h		\
+	limits.h		\
 	link.h			\
 	list.h			\
 	list_impl.h		\
@@ -416,6 +422,9 @@ CHKHDRS=			\
 	ontrap.h		\
 	open.h			\
 	openpromio.h		\
+	overlay.h		\
+	overlay_common.h	\
+	overlay_target.h	\
 	panic.h			\
 	param.h			\
 	pathconf.h		\
@@ -581,6 +590,7 @@ CHKHDRS=			\
 	time_std_impl.h		\
 	timeb.h			\
 	timer.h			\
+	timerfd.h		\
 	times.h			\
 	timex.h			\
 	timod.h			\
@@ -635,6 +645,8 @@ CHKHDRS=			\
 	vmem.h			\
 	vmem_impl.h		\
 	vmsystm.h		\
+	vnd.h			\
+	vnd_errno.h		\
 	vnic.h			\
 	vnic_impl.h		\
 	vnode.h			\
@@ -646,12 +658,14 @@ CHKHDRS=			\
 	vuid_queue.h		\
 	vuid_state.h		\
 	vuid_store.h		\
+	vxlan.h			\
 	wait.h			\
 	waitq.h			\
 	wanboot_impl.h		\
 	watchpoint.h		\
 	winlockio.h		\
 	zcons.h			\
+	zfd.h			\
 	zone.h			\
 	xti_inet.h		\
 	xti_osi.h		\
@@ -852,13 +866,14 @@ FSHDRS=				\
 	cachefs_log.h		\
 	decomp.h		\
 	dv_node.h		\
-	sdev_impl.h		\
 	fifonode.h		\
 	hsfs_isospec.h		\
 	hsfs_node.h		\
 	hsfs_rrip.h		\
 	hsfs_spec.h		\
 	hsfs_susp.h		\
+	hyprlofs.h		\
+	hyprlofs_info.h		\
 	lofs_info.h		\
 	lofs_node.h		\
 	mntdata.h		\
@@ -868,6 +883,8 @@ FSHDRS=				\
 	pc_label.h		\
 	pc_node.h		\
 	pxfs_ki.h		\
+	sdev_impl.h		\
+	sdev_plugin.h		\
 	snode.h			\
 	swapnode.h		\
 	tmp.h			\
diff --git a/usr/src/uts/common/sys/aggr_impl.h b/usr/src/uts/common/sys/aggr_impl.h
index 5b3bba08c2..a02240ecea 100644
--- a/usr/src/uts/common/sys/aggr_impl.h
+++ b/usr/src/uts/common/sys/aggr_impl.h
@@ -21,6 +21,7 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2012 OmniTI Computer Consulting, Inc  All rights reserved.
  */
 
 #ifndef	_SYS_AGGR_IMPL_H
@@ -307,6 +308,8 @@ extern boolean_t aggr_port_notify_link(aggr_grp_t *, aggr_port_t *);
 extern void aggr_port_init_callbacks(aggr_port_t *);
 
 extern void aggr_recv_cb(void *, mac_resource_handle_t, mblk_t *, boolean_t);
+extern void aggr_recv_promisc_cb(void *, mac_resource_handle_t, mblk_t *,
+    boolean_t);
 
 extern void aggr_tx_ring_update(void *, uintptr_t);
 extern void aggr_tx_notify_thread(void *);
diff --git a/usr/src/uts/common/sys/auxv.h b/usr/src/uts/common/sys/auxv.h
index 3a2e705850..e875cd10d9 100644
--- a/usr/src/uts/common/sys/auxv.h
+++ b/usr/src/uts/common/sys/auxv.h
@@ -29,7 +29,7 @@
  * Use is subject to license terms.
  */
 /*
- * Copyright (c) 2012, Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
  */
 
 #ifndef	_SYS_AUXV_H
@@ -78,6 +78,9 @@ typedef struct {
 #define	AT_FLAGS	8	/* processor flags */
 #define	AT_ENTRY	9	/* a.out entry point */
 
+/* First introduced on Linux */
+#define	AT_RANDOM	25	/* address of 16 random bytes */
+
 /*
  * These relate to the original PPC ABI document; Linux reused
  * the values for other things (see below), so disambiguation of
@@ -110,6 +113,16 @@ typedef struct {
  * AT_UCACHEBSIZE	21	(moved from 12)
  *
  * AT_IGNOREPPC		22
+ *
+ * On Linux:
+ * AT_* values 18 through 22 are reserved
+ * AT_SECURE		23	secure mode boolean
+ * AT_BASE_PLATFORM	24	string identifying real platform, may
+ *				differ from AT_PLATFORM.
+ * AT_HWCAP2		26	extension of AT_HWCAP
+ * AT_EXECFN		31	filename of program
+ * AT_SYSINFO		32
+ * AT_SYSINFO_EHDR	33	The vDSO location
  */
 
 /*
@@ -186,6 +199,8 @@ extern uint_t getisax(uint32_t *, uint_t);
 #define	AT_SUN_BRAND_AUX1	2020
 #define	AT_SUN_BRAND_AUX2	2021
 #define	AT_SUN_BRAND_AUX3	2022
+#define	AT_SUN_BRAND_AUX4	2025
+#define	AT_SUN_BRAND_NROOT	2024
 
 /*
  * Note that 2023 is reserved for the AT_SUN_HWCAP2 word defined above.
diff --git a/usr/src/uts/common/sys/brand.h b/usr/src/uts/common/sys/brand.h
index badc3faff8..79e02dcf17 100644
--- a/usr/src/uts/common/sys/brand.h
+++ b/usr/src/uts/common/sys/brand.h
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #ifndef _SYS_BRAND_H
@@ -102,29 +103,96 @@ struct brand_mach_ops;
 struct intpdata;
 struct execa;
 
+/*
+ * Common structure to define hooks for brand operation.
+ *
+ * Required Fields:
+ * b_init_brand_data - Setup zone brand data during zone_setbrand
+ * b_free_brand_data - Free zone brand data during zone_destroy
+ * b_brandsys - Syscall handler for brandsys
+ * b_setbrand - Initialize process brand data
+ * b_getattr - Get brand-custom zone attribute
+ * b_setattr - Set brand-custom zone attribute
+ * b_copy_procdata - Copy process brand data during fork
+ * b_proc_exit - Perform process brand exit processing
+ * b_exec - Reset branded process state on exec
+ * b_lwp_setrval - Set return code for forked child
+ * b_initlwp - Initialize lwp brand data
+ * b_forklwp - Copy lwp brand data during fork
+ * b_freelwp - Free lwp brand data
+ * b_lwpexit - Perform lwp-specific brand exit processing
+ * b_elfexec - Load and execute ELF binary
+ * b_sigset_native_to_brand - Convert sigset native->brand
+ * b_sigset_brand_to_native - Convert sigset brand->native
+ * b_nsig - Maxiumum signal number
+ * b_sendsig - Update process state after sendsig
+ *
+ * Optional Fields:
+ * b_lwpdata_alloc - Speculatively allocate data for use in b_initlwp
+ * b_lwpdata_free - Free data from allocated by b_lwpdata_alloc if errors occur
+ *                  during lwp creation before b_initlwp could be called.
+ * b_exit_with_sig - Instead of sending SIGCLD, exit with custom behavior
+ * b_psig_to_proc - Custom additional behavior during psig
+ * b_wait_filter - Filter processes from being matched by waitid
+ * b_native_exec - Provide interpreter path prefix for executables
+ * b_ptrace_exectrap - Custom behavior for legacy ptrace traps
+ * b_map32limit - Specify alternate limit for MAP_32BIT mappings
+ * b_stop_notify - Hook process stop events
+ * b_waitid_helper - Generate synthetic results for waitid
+ * b_sigcld_repost - Post synthetic SIGCLD signals
+ * b_issig_stop - Alter/suppress signal delivery during issig
+ * b_savecontext - Alter context during savecontext
+ * b_restorecontext - Alter context during restorecontext
+ * b_sendsig_stack - Override stack used for signal delivery
+ * b_setid_clear - Override setid_clear behavior
+ * b_pagefault - Trap pagefault events
+ */
 struct brand_ops {
 	void	(*b_init_brand_data)(zone_t *);
 	void	(*b_free_brand_data)(zone_t *);
 	int	(*b_brandsys)(int, int64_t *, uintptr_t, uintptr_t, uintptr_t,
-		uintptr_t, uintptr_t, uintptr_t);
+		uintptr_t, uintptr_t);
 	void	(*b_setbrand)(struct proc *);
 	int	(*b_getattr)(zone_t *, int, void *, size_t *);
 	int	(*b_setattr)(zone_t *, int, void *, size_t);
 	void	(*b_copy_procdata)(struct proc *, struct proc *);
-	void	(*b_proc_exit)(struct proc *, klwp_t *);
+	void	(*b_proc_exit)(struct proc *);
 	void	(*b_exec)();
 	void	(*b_lwp_setrval)(klwp_t *, int, int);
-	int	(*b_initlwp)(klwp_t *);
+	void	*(*b_lwpdata_alloc)(struct proc *);
+	void	(*b_lwpdata_free)(void *);
+	void	(*b_initlwp)(klwp_t *, void *);
 	void	(*b_forklwp)(klwp_t *, klwp_t *);
 	void	(*b_freelwp)(klwp_t *);
 	void	(*b_lwpexit)(klwp_t *);
 	int	(*b_elfexec)(struct vnode *vp, struct execa *uap,
 	    struct uarg *args, struct intpdata *idata, int level,
 	    long *execsz, int setid, caddr_t exec_file,
-	    struct cred *cred, int brand_action);
+	    struct cred *cred, int *brand_action);
 	void	(*b_sigset_native_to_brand)(sigset_t *);
 	void	(*b_sigset_brand_to_native)(sigset_t *);
+	void	(*b_psig_to_proc)(proc_t *, kthread_t *, int);
 	int	b_nsig;
+	void	(*b_exit_with_sig)(proc_t *, sigqueue_t *);
+	boolean_t (*b_wait_filter)(proc_t *, proc_t *);
+	boolean_t (*b_native_exec)(uint8_t, const char **);
+	void (*b_ptrace_exectrap)(proc_t *);
+	uint32_t (*b_map32limit)(proc_t *);
+	void	(*b_stop_notify)(proc_t *, klwp_t *, ushort_t, ushort_t);
+	int	(*b_waitid_helper)(idtype_t, id_t, k_siginfo_t *, int,
+	    boolean_t *, int *);
+	int	(*b_sigcld_repost)(proc_t *, sigqueue_t *);
+	int	(*b_issig_stop)(proc_t *, klwp_t *);
+	void	(*b_savecontext)(ucontext_t *);
+#if defined(_SYSCALL32_IMPL)
+	void	(*b_savecontext32)(ucontext32_t *);
+#endif
+	void	(*b_restorecontext)(ucontext_t *);
+	caddr_t	(*b_sendsig_stack)(int);
+	void	(*b_sendsig)(int);
+	int	(*b_setid_clear)(vattr_t *vap, cred_t *cr);
+	int	(*b_pagefault)(proc_t *, klwp_t *, caddr_t, enum fault_type,
+	    enum seg_rw);
 };
 
 /*
@@ -135,6 +203,7 @@ typedef struct brand {
 	char    		*b_name;
 	struct brand_ops	*b_ops;
 	struct brand_mach_ops	*b_machops;
+	size_t			b_data_size;
 } brand_t;
 
 extern brand_t native_brand;
@@ -166,7 +235,7 @@ extern brand_t	*brand_find_name(char *);
 extern void	brand_unregister_zone(brand_t *);
 extern int	brand_zone_count(brand_t *);
 extern void	brand_setbrand(proc_t *);
-extern void	brand_clearbrand(proc_t *, boolean_t);
+extern void	brand_clearbrand(proc_t *);
 
 /*
  * The following functions can be shared among kernel brand modules which
@@ -178,17 +247,16 @@ extern int	brand_solaris_cmd(int, uintptr_t, uintptr_t, uintptr_t,
 extern void	brand_solaris_copy_procdata(proc_t *, proc_t *,
 		    struct brand *);
 extern int	brand_solaris_elfexec(vnode_t *, execa_t *, uarg_t *,
-		    intpdata_t *, int, long *, int, caddr_t, cred_t *, int,
-		    struct brand *, char *, char *, char *, char *, char *);
+		    intpdata_t *, int, long *, int, caddr_t, cred_t *, int *,
+		    struct brand *, char *, char *, char *);
 extern void	brand_solaris_exec(struct brand *);
 extern int	brand_solaris_fini(char **, struct modlinkage *,
 		    struct brand *);
 extern void	brand_solaris_forklwp(klwp_t *, klwp_t *, struct brand *);
 extern void	brand_solaris_freelwp(klwp_t *, struct brand *);
-extern int	brand_solaris_initlwp(klwp_t *, struct brand *);
+extern void	brand_solaris_initlwp(klwp_t *, struct brand *);
 extern void	brand_solaris_lwpexit(klwp_t *, struct brand *);
-extern void	brand_solaris_proc_exit(struct proc *, klwp_t *,
-		    struct brand *);
+extern void	brand_solaris_proc_exit(struct proc *, struct brand *);
 extern void	brand_solaris_setbrand(proc_t *, struct brand *);
 
 #if defined(_SYSCALL32)
diff --git a/usr/src/uts/common/sys/buf.h b/usr/src/uts/common/sys/buf.h
index a9191aed7c..cb8a6012fc 100644
--- a/usr/src/uts/common/sys/buf.h
+++ b/usr/src/uts/common/sys/buf.h
@@ -21,6 +21,7 @@
 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2012 Joyent, Inc.  All rights reserved.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -186,6 +187,7 @@ struct biostats {
 #define	B_STARTED	0x2000000	/* io:::start probe called for buf */
 #define	B_ABRWRITE	0x4000000	/* Application based recovery active */
 #define	B_PAGE_NOWAIT	0x8000000	/* Skip the page if it is locked */
+#define	B_INVALCURONLY	0x10000000	/* invalidate only for curproc */
 
 /*
  * There is some confusion over the meaning of B_FREE and B_INVAL and what
@@ -198,6 +200,12 @@ struct biostats {
  * between the sole use of these two flags.  In both cases, IO will be done
  * if the page is not yet committed to storage.
  *
+ * The B_INVALCURONLY flag modifies the behavior of the B_INVAL flag and is
+ * intended to be used in conjunction with B_INVAL.  B_INVALCURONLY has no
+ * meaning on its own.  When both B_INVALCURONLY and B_INVAL are set, then
+ * the mapping for the page is only invalidated for the current process.
+ * In this case, the page is not destroyed unless this was the final mapping.
+ *
  * In order to discard pages without writing them back, (B_INVAL | B_TRUNC)
  * should be used.
  *
diff --git a/usr/src/uts/common/sys/cpucaps.h b/usr/src/uts/common/sys/cpucaps.h
index 6063ff4380..6bc042108c 100644
--- a/usr/src/uts/common/sys/cpucaps.h
+++ b/usr/src/uts/common/sys/cpucaps.h
@@ -22,6 +22,7 @@
 /*
  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2011, 2012, Joyent, Inc.  All rights reserved.
  */
 
 #ifndef	_SYS_CPUCAPS_H
@@ -84,12 +85,16 @@ extern void cpucaps_zone_remove(zone_t *);
  */
 extern int cpucaps_project_set(kproject_t *, rctl_qty_t);
 extern int cpucaps_zone_set(zone_t *, rctl_qty_t);
+extern int cpucaps_zone_set_base(zone_t *, rctl_qty_t);
+extern int cpucaps_zone_set_burst_time(zone_t *, rctl_qty_t);
 
 /*
  * Get current CPU usage for a project/zone.
  */
 extern rctl_qty_t cpucaps_project_get(kproject_t *);
 extern rctl_qty_t cpucaps_zone_get(zone_t *);
+extern rctl_qty_t cpucaps_zone_get_base(zone_t *);
+extern rctl_qty_t cpucaps_zone_get_burst_time(zone_t *);
 
 /*
  * Scheduling class hooks into CPU caps framework.
diff --git a/usr/src/uts/common/sys/cpucaps_impl.h b/usr/src/uts/common/sys/cpucaps_impl.h
index 95afd21827..2cd4ed644d 100644
--- a/usr/src/uts/common/sys/cpucaps_impl.h
+++ b/usr/src/uts/common/sys/cpucaps_impl.h
@@ -22,6 +22,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2011, 2012, Joyent, Inc.  All rights reserved.
  */
 
 #ifndef	_SYS_CPUCAPS_IMPL_H
@@ -66,8 +67,12 @@ typedef struct cpucap {
 	waitq_t		cap_waitq;	/* waitq for capped threads	*/
 	kstat_t		*cap_kstat;	/* cpucaps specific kstat	*/
 	int64_t		cap_gen;	/* zone cap specific 		*/
+	hrtime_t	cap_chk_value;	/* effective CPU usage cap	*/
 	hrtime_t	cap_value;	/* scaled CPU usage cap		*/
 	hrtime_t	cap_usage;	/* current CPU usage		*/
+	hrtime_t	cap_base;	/* base CPU for burst		*/
+	u_longlong_t	cap_burst_limit; /* max secs (in tics) for a burst */
+	u_longlong_t	cap_bursting;	/* # of ticks currently bursting */
 	disp_lock_t	cap_usagelock;	/* protects cap_usage above	*/
 	/*
 	 * Per cap statistics.
@@ -75,6 +80,7 @@ typedef struct cpucap {
 	hrtime_t	cap_maxusage;	/* maximum cap usage		*/
 	u_longlong_t	cap_below;	/* # of ticks spend below the cap */
 	u_longlong_t	cap_above;	/* # of ticks spend above the cap */
+	u_longlong_t	cap_above_base;	/* # of ticks spent above the base */
 } cpucap_t;
 
 /*
diff --git a/usr/src/uts/common/sys/cred.h b/usr/src/uts/common/sys/cred.h
index 5056f9a511..914f132dc0 100644
--- a/usr/src/uts/common/sys/cred.h
+++ b/usr/src/uts/common/sys/cred.h
@@ -93,6 +93,7 @@ extern gid_t crgetgid(const cred_t *);
 extern gid_t crgetrgid(const cred_t *);
 extern gid_t crgetsgid(const cred_t *);
 extern zoneid_t crgetzoneid(const cred_t *);
+extern zoneid_t crgetzonedid(const cred_t *);
 extern projid_t crgetprojid(const cred_t *);
 
 extern cred_t *crgetmapped(const cred_t *);
diff --git a/usr/src/uts/common/sys/ctf_api.h b/usr/src/uts/common/sys/ctf_api.h
index 04d73c3181..73beb2d244 100644
--- a/usr/src/uts/common/sys/ctf_api.h
+++ b/usr/src/uts/common/sys/ctf_api.h
@@ -24,7 +24,7 @@
  * Use is subject to license terms.
  */
 /*
- * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc.
  */
 
 /*
@@ -60,6 +60,62 @@ extern "C" {
 typedef struct ctf_file ctf_file_t;
 typedef long ctf_id_t;
 
+#define	ECTF_BASE	1000	/* base value for libctf errnos */
+
+enum {
+	ECTF_FMT = ECTF_BASE,	/* file is not in CTF or ELF format */
+	ECTF_ELFVERS,		/* ELF version is more recent than libctf */
+	ECTF_CTFVERS,		/* CTF version is more recent than libctf */
+	ECTF_ENDIAN,		/* data is different endian-ness than lib */
+	ECTF_SYMTAB,		/* symbol table uses invalid entry size */
+	ECTF_SYMBAD,		/* symbol table data buffer invalid */
+	ECTF_STRBAD,		/* string table data buffer invalid */
+	ECTF_CORRUPT,		/* file data corruption detected */
+	ECTF_NOCTFDATA,		/* ELF file does not contain CTF data */
+	ECTF_NOCTFBUF,		/* buffer does not contain CTF data */
+	ECTF_NOSYMTAB,		/* symbol table data is not available */
+	ECTF_NOPARENT,		/* parent CTF container is not available */
+	ECTF_DMODEL,		/* data model mismatch */
+	ECTF_MMAP,		/* failed to mmap a data section */
+	ECTF_ZMISSING,		/* decompression library not installed */
+	ECTF_ZINIT,		/* failed to initialize decompression library */
+	ECTF_ZALLOC,		/* failed to allocate decompression buffer */
+	ECTF_DECOMPRESS,	/* failed to decompress CTF data */
+	ECTF_STRTAB,		/* string table for this string is missing */
+	ECTF_BADNAME,		/* string offset is corrupt w.r.t. strtab */
+	ECTF_BADID,		/* invalid type ID number */
+	ECTF_NOTSOU,		/* type is not a struct or union */
+	ECTF_NOTENUM,		/* type is not an enum */
+	ECTF_NOTSUE,		/* type is not a struct, union, or enum */
+	ECTF_NOTINTFP,		/* type is not an integer or float */
+	ECTF_NOTARRAY,		/* type is not an array */
+	ECTF_NOTREF,		/* type does not reference another type */
+	ECTF_NAMELEN,		/* buffer is too small to hold type name */
+	ECTF_NOTYPE,		/* no type found corresponding to name */
+	ECTF_SYNTAX,		/* syntax error in type name */
+	ECTF_NOTFUNC,		/* symtab entry does not refer to a function */
+	ECTF_NOFUNCDAT,		/* no func info available for function */
+	ECTF_NOTDATA,		/* symtab entry does not refer to a data obj */
+	ECTF_NOTYPEDAT,		/* no type info available for object */
+	ECTF_NOLABEL,		/* no label found corresponding to name */
+	ECTF_NOLABELDATA,	/* file does not contain any labels */
+	ECTF_NOTSUP,		/* feature not supported */
+	ECTF_NOENUMNAM,		/* enum element name not found */
+	ECTF_NOMEMBNAM,		/* member name not found */
+	ECTF_RDONLY,		/* CTF container is read-only */
+	ECTF_DTFULL,		/* CTF type is full (no more members allowed) */
+	ECTF_FULL,		/* CTF container is full */
+	ECTF_DUPMEMBER,		/* duplicate member name definition */
+	ECTF_CONFLICT,		/* conflicting type definition present */
+	ECTF_REFERENCED,	/* type has outstanding references */
+	ECTF_NOTDYN,		/* type is not a dynamic type */
+	ECTF_ELF,		/* elf library failure */
+	ECTF_MCHILD,		/* cannot merge child container */
+	ECTF_LABELEXISTS,	/* label already exists */
+	ECTF_LCONFLICT,		/* merged labels conflict */
+	ECTF_ZLIB		/* zlib library failure */
+};
+
 /*
  * If the debugger needs to provide the CTF library with a set of raw buffers
  * for use as the CTF data, symbol table, and string table, it can do so by
@@ -143,19 +199,24 @@ typedef struct ctf_lblinfo {
 typedef int ctf_visit_f(const char *, ctf_id_t, ulong_t, int, void *);
 typedef int ctf_member_f(const char *, ctf_id_t, ulong_t, void *);
 typedef int ctf_enum_f(const char *, int, void *);
-typedef int ctf_type_f(ctf_id_t, void *);
+typedef int ctf_type_f(ctf_id_t, boolean_t, void *);
 typedef int ctf_label_f(const char *, const ctf_lblinfo_t *, void *);
+typedef int ctf_function_f(const char *, ulong_t, ctf_funcinfo_t *, void *);
+typedef int ctf_object_f(const char *, ctf_id_t, ulong_t, void *);
+typedef int ctf_string_f(const char *, void *);
 
 extern ctf_file_t *ctf_bufopen(const ctf_sect_t *, const ctf_sect_t *,
     const ctf_sect_t *, int *);
 extern ctf_file_t *ctf_fdopen(int, int *);
 extern ctf_file_t *ctf_open(const char *, int *);
 extern ctf_file_t *ctf_create(int *);
+extern ctf_file_t *ctf_fdcreate(int, int *);
 extern ctf_file_t *ctf_dup(ctf_file_t *);
 extern void ctf_close(ctf_file_t *);
 
 extern ctf_file_t *ctf_parent_file(ctf_file_t *);
 extern const char *ctf_parent_name(ctf_file_t *);
+extern const char *ctf_parent_label(ctf_file_t *);
 
 extern int ctf_import(ctf_file_t *, ctf_file_t *);
 extern int ctf_setmodel(ctf_file_t *, int);
@@ -165,15 +226,20 @@ extern void ctf_setspecific(ctf_file_t *, void *);
 extern void *ctf_getspecific(ctf_file_t *);
 
 extern int ctf_errno(ctf_file_t *);
+extern uint_t ctf_flags(ctf_file_t *);
 extern const char *ctf_errmsg(int);
 extern int ctf_version(int);
 
 extern int ctf_func_info(ctf_file_t *, ulong_t, ctf_funcinfo_t *);
+extern int ctf_func_info_by_id(ctf_file_t *, ctf_id_t, ctf_funcinfo_t *);
 extern int ctf_func_args(ctf_file_t *, ulong_t, uint_t, ctf_id_t *);
+extern int ctf_func_args_by_id(ctf_file_t *, ctf_id_t, uint_t, ctf_id_t *);
 
 extern ctf_id_t ctf_lookup_by_name(ctf_file_t *, const char *);
 extern ctf_id_t ctf_lookup_by_symbol(ctf_file_t *, ulong_t);
 
+extern char *ctf_symbol_name(ctf_file_t *, ulong_t, char *, size_t);
+
 extern ctf_id_t ctf_type_resolve(ctf_file_t *, ctf_id_t);
 extern ssize_t ctf_type_lname(ctf_file_t *, ctf_id_t, char *, size_t);
 extern char *ctf_type_name(ctf_file_t *, ctf_id_t, char *, size_t);
@@ -201,29 +267,39 @@ extern int ctf_label_info(ctf_file_t *, const char *, ctf_lblinfo_t *);
 
 extern int ctf_member_iter(ctf_file_t *, ctf_id_t, ctf_member_f *, void *);
 extern int ctf_enum_iter(ctf_file_t *, ctf_id_t, ctf_enum_f *, void *);
-extern int ctf_type_iter(ctf_file_t *, ctf_type_f *, void *);
+extern int ctf_type_iter(ctf_file_t *, boolean_t, ctf_type_f *, void *);
 extern int ctf_label_iter(ctf_file_t *, ctf_label_f *, void *);
+extern int ctf_function_iter(ctf_file_t *, ctf_function_f *, void *);
+extern int ctf_object_iter(ctf_file_t *, ctf_object_f *, void *);
+extern int ctf_string_iter(ctf_file_t *, ctf_string_f *, void *);
 
 extern ctf_id_t ctf_add_array(ctf_file_t *, uint_t, const ctf_arinfo_t *);
-extern ctf_id_t ctf_add_const(ctf_file_t *, uint_t, ctf_id_t);
+extern ctf_id_t ctf_add_const(ctf_file_t *, uint_t, const char *, ctf_id_t);
 extern ctf_id_t ctf_add_enum(ctf_file_t *, uint_t, const char *);
 extern ctf_id_t ctf_add_float(ctf_file_t *, uint_t,
     const char *, const ctf_encoding_t *);
 extern ctf_id_t ctf_add_forward(ctf_file_t *, uint_t, const char *, uint_t);
-extern ctf_id_t ctf_add_function(ctf_file_t *, uint_t,
-    const ctf_funcinfo_t *, const ctf_id_t *);
+extern ctf_id_t ctf_add_funcptr(ctf_file_t *, uint_t, const ctf_funcinfo_t *,
+    const ctf_id_t *);
 extern ctf_id_t ctf_add_integer(ctf_file_t *, uint_t,
     const char *, const ctf_encoding_t *);
-extern ctf_id_t ctf_add_pointer(ctf_file_t *, uint_t, ctf_id_t);
+extern ctf_id_t ctf_add_pointer(ctf_file_t *, uint_t, const char *, ctf_id_t);
 extern ctf_id_t ctf_add_type(ctf_file_t *, ctf_file_t *, ctf_id_t);
 extern ctf_id_t ctf_add_typedef(ctf_file_t *, uint_t, const char *, ctf_id_t);
-extern ctf_id_t ctf_add_restrict(ctf_file_t *, uint_t, ctf_id_t);
+extern ctf_id_t ctf_add_restrict(ctf_file_t *, uint_t, const char *, ctf_id_t);
 extern ctf_id_t ctf_add_struct(ctf_file_t *, uint_t, const char *);
 extern ctf_id_t ctf_add_union(ctf_file_t *, uint_t, const char *);
-extern ctf_id_t ctf_add_volatile(ctf_file_t *, uint_t, ctf_id_t);
+extern ctf_id_t ctf_add_volatile(ctf_file_t *, uint_t, const char *, ctf_id_t);
 
 extern int ctf_add_enumerator(ctf_file_t *, ctf_id_t, const char *, int);
-extern int ctf_add_member(ctf_file_t *, ctf_id_t, const char *, ctf_id_t);
+extern int ctf_add_member(ctf_file_t *, ctf_id_t, const char *, ctf_id_t,
+    ulong_t);
+
+
+extern int ctf_add_function(ctf_file_t *, ulong_t, const ctf_funcinfo_t *,
+    const ctf_id_t *);
+extern int ctf_add_object(ctf_file_t *, ulong_t, ctf_id_t);
+extern int ctf_add_label(ctf_file_t *, const char *, ctf_id_t, uint_t);
 
 extern int ctf_set_array(ctf_file_t *, ctf_id_t, const ctf_arinfo_t *);
 
@@ -232,6 +308,7 @@ extern int ctf_delete_type(ctf_file_t *, ctf_id_t);
 extern int ctf_update(ctf_file_t *);
 extern int ctf_discard(ctf_file_t *);
 extern int ctf_write(ctf_file_t *, int);
+extern void ctf_dataptr(ctf_file_t *, const void **, size_t *);
 
 #ifdef _KERNEL
 
diff --git a/usr/src/uts/common/sys/devpoll.h b/usr/src/uts/common/sys/devpoll.h
index 36c815c69f..4e4c76d9b0 100644
--- a/usr/src/uts/common/sys/devpoll.h
+++ b/usr/src/uts/common/sys/devpoll.h
@@ -24,11 +24,13 @@
  * All rights reserved.
  */
 
+/*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
+
 #ifndef	_SYS_DEVPOLL_H
 #define	_SYS_DEVPOLL_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <sys/poll_impl.h>
 #include <sys/types32.h>
 
@@ -39,8 +41,10 @@ extern "C" {
 
 /* /dev/poll ioctl */
 #define		DPIOC	(0xD0 << 8)
-#define	DP_POLL		(DPIOC | 1)	/* poll on fds in cached in /dev/poll */
+#define	DP_POLL		(DPIOC | 1)	/* poll on fds cached via /dev/poll */
 #define	DP_ISPOLLED	(DPIOC | 2)	/* is this fd cached in /dev/poll */
+#define	DP_PPOLL	(DPIOC | 3)	/* ppoll on fds cached via /dev/poll */
+#define	DP_EPOLLCOMPAT	(DPIOC | 4)	/* turn on epoll compatibility */
 
 #define	DEVPOLLSIZE	1000		/* /dev/poll table size increment */
 
@@ -51,14 +55,21 @@ typedef struct dvpoll {
 	pollfd_t	*dp_fds;	/* pollfd array */
 	nfds_t		dp_nfds;	/* num of pollfd's in dp_fds[] */
 	int		dp_timeout;	/* time out in milisec */
+	sigset_t	*dp_setp;	/* sigset, if any */
 } dvpoll_t;
 
 typedef struct dvpoll32 {
 	caddr32_t	dp_fds;		/* pollfd array */
 	uint32_t	dp_nfds;	/* num of pollfd's in dp_fds[] */
 	int32_t		dp_timeout;	/* time out in milisec */
+	caddr32_t	dp_setp;	/* sigset, if any */
 } dvpoll32_t;
 
+typedef struct dvpoll_epollfd {
+	pollfd_t	dpep_pollfd;	/* must be first member */
+	uint64_t	dpep_data;	/* data payload */
+} dvpoll_epollfd_t;
+
 #ifdef _KERNEL
 
 typedef struct dp_entry {
@@ -71,6 +82,7 @@ typedef struct dp_entry {
 } dp_entry_t;
 
 #define	DP_WRITER_PRESENT	0x1	/* a write is in progress */
+#define	DP_ISEPOLLCOMPAT	0x2	/* epoll compatibility mode */
 
 #define	DP_REFRELE(dpep) {			\
 	mutex_enter(&(dpep)->dpe_lock);		\
diff --git a/usr/src/uts/common/sys/dktp/dadk.h b/usr/src/uts/common/sys/dktp/dadk.h
index f5c990e7c0..2178ad1f0d 100644
--- a/usr/src/uts/common/sys/dktp/dadk.h
+++ b/usr/src/uts/common/sys/dktp/dadk.h
@@ -65,6 +65,8 @@ struct	dadk {
 	kstat_t		*dad_errstats;	/* error stats			*/
 	kmutex_t	dad_cmd_mutex;
 	int		dad_cmd_count;
+	uint32_t	dad_err_cnt;	/* number of recent errors	*/
+	hrtime_t	dad_last_log;	/* time of last error log	*/
 };
 
 #define	DAD_SECSIZ	dad_phyg.g_secsiz
diff --git a/usr/src/uts/common/sys/dld.h b/usr/src/uts/common/sys/dld.h
index fb2a0749d3..4cd93be56e 100644
--- a/usr/src/uts/common/sys/dld.h
+++ b/usr/src/uts/common/sys/dld.h
@@ -21,6 +21,7 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
  */
 
 #ifndef	_SYS_DLD_H
@@ -191,6 +192,7 @@ typedef struct dld_ioc_rename {
 	datalink_id_t	dir_linkid1;
 	datalink_id_t	dir_linkid2;
 	char		dir_link[MAXLINKNAMELEN];
+	boolean_t	dir_zoneinit;
 } dld_ioc_rename_t;
 
 /*
@@ -203,6 +205,7 @@ typedef struct dld_ioc_rename {
 typedef struct dld_ioc_zid {
 	zoneid_t	diz_zid;
 	datalink_id_t	diz_linkid;
+	boolean_t	diz_transient;
 } dld_ioc_zid_t;
 
 /*
@@ -350,6 +353,7 @@ typedef struct dld_hwgrpinfo {
  */
 typedef	int	(*dld_capab_func_t)(void *, uint_t, void *, uint_t);
 
+#define	DI_DIRECT_RAW	0x1
 /*
  * Direct Tx/Rx capability.
  */
@@ -374,6 +378,9 @@ typedef struct dld_capab_direct_s {
 	/* flow control "can I put on a ring" callback */
 	uintptr_t	di_tx_fctl_df; /* canput-like callback */
 	void		*di_tx_fctl_dh;
+
+	/* flags that control our behavior */
+	uint_t		di_flags;
 } dld_capab_direct_t;
 
 /*
diff --git a/usr/src/uts/common/sys/dld_impl.h b/usr/src/uts/common/sys/dld_impl.h
index a76a927e59..81708aad38 100644
--- a/usr/src/uts/common/sys/dld_impl.h
+++ b/usr/src/uts/common/sys/dld_impl.h
@@ -53,7 +53,8 @@ typedef enum {
 typedef enum {
 	DLD_UNINITIALIZED,
 	DLD_PASSIVE,
-	DLD_ACTIVE
+	DLD_ACTIVE,
+	DLD_EXCLUSIVE
 } dld_passivestate_t;
 
 /*
@@ -256,6 +257,8 @@ extern void		dld_str_rx_unitdata(void *, mac_resource_handle_t,
 extern void		dld_str_notify_ind(dld_str_t *);
 extern mac_tx_cookie_t	str_mdata_fastpath_put(dld_str_t *, mblk_t *,
     uintptr_t, uint16_t);
+extern mac_tx_cookie_t	str_mdata_raw_fastpath_put(dld_str_t *, mblk_t *,
+    uintptr_t, uint16_t);
 extern int		dld_flow_ctl_callb(dld_str_t *, uint64_t,
     int (*func)(), void *);
 
diff --git a/usr/src/uts/common/sys/dld_ioc.h b/usr/src/uts/common/sys/dld_ioc.h
index 2f519a8eda..093a4dc0c3 100644
--- a/usr/src/uts/common/sys/dld_ioc.h
+++ b/usr/src/uts/common/sys/dld_ioc.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #ifndef	_SYS_DLD_IOC_H
@@ -59,6 +60,7 @@ extern "C" {
 #define	IPTUN_IOC	0x454A
 #define	BRIDGE_IOC	0xB81D
 #define	IBPART_IOC	0x6171
+#define	OVERLAY_IOC	0x2005
 
 /* GLDv3 modules use these macros to generate unique ioctl commands */
 #define	DLDIOC(cmdid)		DLD_IOC_CMD(DLD_IOC, (cmdid))
@@ -68,6 +70,7 @@ extern "C" {
 #define	IPTUNIOC(cmdid)		DLD_IOC_CMD(IPTUN_IOC, (cmdid))
 #define	BRIDGEIOC(cmdid)	DLD_IOC_CMD(BRIDGE_IOC, (cmdid))
 #define	IBPARTIOC(cmdid)	DLD_IOC_CMD(IBPART_IOC, (cmdid))
+#define	OVERLAYIOC(cmdid)	DLD_IOC_CMD(OVERLAY_IOC, (cmdid))
 
 #ifdef _KERNEL
 
diff --git a/usr/src/uts/common/sys/dlpi.h b/usr/src/uts/common/sys/dlpi.h
index 5bc2bd41c5..dddac5b878 100644
--- a/usr/src/uts/common/sys/dlpi.h
+++ b/usr/src/uts/common/sys/dlpi.h
@@ -107,6 +107,7 @@ typedef struct dl_ipnetinfo {
 #define	DL_PASSIVE_REQ		0x114	/* Allow access to aggregated link */
 #define	DL_INTR_MODE_REQ	0x115	/* Request Rx processing in INTR mode */
 #define	DL_NOTIFY_CONF		0x116	/* Notification from upstream */
+#define	DL_EXCLUSIVE_REQ	0x117	/* Make bind active */
 
 /*
  * Primitives used for Connectionless Service
@@ -388,6 +389,7 @@ typedef struct dl_ipnetinfo {
 #define	DL_PROMISC_PHYS		0x01	/* promiscuous mode at phys level */
 #define	DL_PROMISC_SAP		0x02	/* promiscuous mode at sap level */
 #define	DL_PROMISC_MULTI	0x03	/* promiscuous mode for multicast */
+#define	DL_PROMISC_RX_ONLY	0x04	/* above only enabled for rx */
 
 /*
  * DLPI notification codes for DL_NOTIFY_REQ primitives.
@@ -1107,6 +1109,13 @@ typedef struct {
 } dl_intr_mode_req_t;
 
 /*
+ * DL_EXCLUSIVE_REQ, M_PROTO type
+ */
+typedef struct {
+	t_uscalar_t	dl_primitive;
+} dl_exclusive_req_t;
+
+/*
  *	CONNECTION-ORIENTED SERVICE PRIMITIVES
  */
 
@@ -1528,6 +1537,7 @@ union DL_primitives {
 	dl_control_ack_t	control_ack;
 	dl_passive_req_t	passive_req;
 	dl_intr_mode_req_t	intr_mode_req;
+	dl_exclusive_req_t	exclusive_req;
 };
 
 #define	DL_INFO_REQ_SIZE	sizeof (dl_info_req_t)
@@ -1596,6 +1606,7 @@ union DL_primitives {
 #define	DL_CONTROL_ACK_SIZE	sizeof (dl_control_ack_t)
 #define	DL_PASSIVE_REQ_SIZE	sizeof (dl_passive_req_t)
 #define	DL_INTR_MODE_REQ_SIZE	sizeof (dl_intr_mode_req_t)
+#define	DL_EXCLUSIVE_REQ_SIZE	sizeof (dl_exclusive_req_t)
 
 #ifdef	_KERNEL
 /*
diff --git a/usr/src/uts/common/sys/dls.h b/usr/src/uts/common/sys/dls.h
index 6bd2bbe35a..8e99d0e9d8 100644
--- a/usr/src/uts/common/sys/dls.h
+++ b/usr/src/uts/common/sys/dls.h
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
  */
 
 #ifndef	_SYS_DLS_H
@@ -85,6 +86,7 @@ typedef struct dls_link_s	dls_link_t;
 #define	DLS_PROMISC_SAP		0x00000001
 #define	DLS_PROMISC_MULTI	0x00000002
 #define	DLS_PROMISC_PHYS	0x00000004
+#define	DLS_PROMISC_RX_ONLY	0x00000008
 
 extern int	dls_open(dls_link_t *, dls_dl_handle_t, dld_str_t *);
 extern void	dls_close(dld_str_t *);
@@ -106,11 +108,13 @@ extern void	str_notify(void *, mac_notify_type_t);
 
 extern int		dls_devnet_open(const char *,
 			    dls_dl_handle_t *, dev_t *);
+extern int		dls_devnet_open_in_zone(const char *,
+			    dls_dl_handle_t *, dev_t *, zoneid_t);
 extern void		dls_devnet_close(dls_dl_handle_t);
 extern boolean_t	dls_devnet_rebuild();
 
 extern int		dls_devnet_rename(datalink_id_t, datalink_id_t,
-			    const char *);
+			    const char *, boolean_t);
 extern int		dls_devnet_create(mac_handle_t, datalink_id_t,
 			    zoneid_t);
 extern int		dls_devnet_destroy(mac_handle_t, datalink_id_t *,
@@ -127,7 +131,7 @@ extern uint16_t		dls_devnet_vid(dls_dl_handle_t);
 extern datalink_id_t	dls_devnet_linkid(dls_dl_handle_t);
 extern int		dls_devnet_dev2linkid(dev_t, datalink_id_t *);
 extern int		dls_devnet_phydev(datalink_id_t, dev_t *);
-extern int		dls_devnet_setzid(dls_dl_handle_t, zoneid_t);
+extern int		dls_devnet_setzid(dls_dl_handle_t, zoneid_t, boolean_t);
 extern zoneid_t		dls_devnet_getzid(dls_dl_handle_t);
 extern zoneid_t		dls_devnet_getownerzid(dls_dl_handle_t);
 extern boolean_t	dls_devnet_islinkvisible(datalink_id_t, zoneid_t);
@@ -141,6 +145,8 @@ extern int		dls_mgmt_update(const char *, uint32_t, boolean_t,
 extern int		dls_mgmt_get_linkinfo(datalink_id_t, char *,
 			    datalink_class_t *, uint32_t *, uint32_t *);
 extern int		dls_mgmt_get_linkid(const char *, datalink_id_t *);
+extern int		dls_mgmt_get_linkid_in_zone(const char *,
+    datalink_id_t *, zoneid_t);
 extern datalink_id_t	dls_mgmt_get_next(datalink_id_t, datalink_class_t,
 			    datalink_media_t, uint32_t);
 extern int		dls_devnet_macname2linkid(const char *,
diff --git a/usr/src/uts/common/sys/dls_impl.h b/usr/src/uts/common/sys/dls_impl.h
index 60f51c47b5..d502b36a2d 100644
--- a/usr/src/uts/common/sys/dls_impl.h
+++ b/usr/src/uts/common/sys/dls_impl.h
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
  */
 
 #ifndef	_SYS_DLS_IMPL_H
@@ -61,6 +62,7 @@ struct dls_link_s {				/* Protected by */
 	uint_t			dl_zone_ref;
 	link_tagmode_t		dl_tagmode;		/* atomic */
 	uint_t			dl_nonip_cnt;		/* SL */
+	uint_t			dl_exclusive;		/* SL */
 };
 
 typedef struct dls_head_s {
@@ -96,7 +98,8 @@ extern void		dls_create_str_kstats(dld_str_t *);
 extern int		dls_stat_update(kstat_t *, dls_link_t *, int);
 extern int		dls_stat_create(const char *, int, const char *,
 			    zoneid_t, int (*)(struct kstat *, int), void *,
-			    kstat_t **);
+			    kstat_t **, zoneid_t);
+extern void	dls_stat_delete(kstat_t *);
 
 extern int		dls_devnet_open_by_dev(dev_t, dls_link_t **,
 			    dls_dl_handle_t *);
@@ -126,6 +129,7 @@ extern void		dls_mgmt_init(void);
 extern void		dls_mgmt_fini(void);
 
 extern int		dls_mgmt_get_phydev(datalink_id_t, dev_t *);
+extern int		dls_exclusive_set(dld_str_t *, boolean_t);
 
 #ifdef	__cplusplus
 }
diff --git a/usr/src/uts/common/sys/dls_mgmt.h b/usr/src/uts/common/sys/dls_mgmt.h
index b4032c24d6..f747e29def 100644
--- a/usr/src/uts/common/sys/dls_mgmt.h
+++ b/usr/src/uts/common/sys/dls_mgmt.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #ifndef	_DLS_MGMT_H
@@ -46,13 +47,15 @@ typedef enum {
 	DATALINK_CLASS_SIMNET		= 0x20,
 	DATALINK_CLASS_BRIDGE		= 0x40,
 	DATALINK_CLASS_IPTUN		= 0x80,
-	DATALINK_CLASS_PART		= 0x100
+	DATALINK_CLASS_PART		= 0x100,
+	DATALINK_CLASS_OVERLAY		= 0x200
 } datalink_class_t;
 
 #define	DATALINK_CLASS_ALL	(DATALINK_CLASS_PHYS |	\
 	DATALINK_CLASS_VLAN | DATALINK_CLASS_AGGR | DATALINK_CLASS_VNIC | \
 	DATALINK_CLASS_ETHERSTUB | DATALINK_CLASS_SIMNET | \
-	DATALINK_CLASS_BRIDGE | DATALINK_CLASS_IPTUN | DATALINK_CLASS_PART)
+	DATALINK_CLASS_BRIDGE | DATALINK_CLASS_IPTUN | DATALINK_CLASS_PART | \
+	DATALINK_CLASS_OVERLAY)
 
 /*
  * A combination of flags and media.
@@ -165,6 +168,7 @@ typedef struct dlmgmt_door_getname {
 typedef struct dlmgmt_door_getlinkid {
 	int			ld_cmd;
 	char			ld_link[MAXLINKNAMELEN];
+	zoneid_t		ld_zoneid;
 } dlmgmt_door_getlinkid_t;
 
 typedef struct dlmgmt_door_getnext_s {
diff --git a/usr/src/uts/common/sys/epoll.h b/usr/src/uts/common/sys/epoll.h
new file mode 100644
index 0000000000..f2e4b90ab7
--- /dev/null
+++ b/usr/src/uts/common/sys/epoll.h
@@ -0,0 +1,89 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _SYS_EPOLL_H
+#define	_SYS_EPOLL_H
+
+#include <sys/types.h>
+#include <sys/poll.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+typedef union epoll_data {
+	void		*ptr;
+	int		fd;
+	uint32_t	u32;
+	uint64_t	u64;
+} epoll_data_t;
+
+#if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
+#pragma pack(4)
+#endif
+
+typedef struct epoll_event {
+	uint32_t	events;		/* events */
+	epoll_data_t	data;		/* user-specified data */
+} epoll_event_t;
+
+#if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
+#pragma pack()
+#endif
+
+/*
+ * Define the EPOLL* constants in terms of their poll(2)/poll(7) equivalents.
+ * Note that the values match the equivalents in Linux to allow for any binary
+ * compatibility layers to not need to translate them.
+ */
+#define	EPOLLIN		0x0001
+#define	EPOLLPRI	0x0002
+#define	EPOLLOUT	0x0004
+#define	EPOLLRDNORM	0x0040
+#define	EPOLLRDBAND	0x0080
+#define	EPOLLWRNORM	0x0100
+#define	EPOLLWRBAND	0x0200
+#define	EPOLLMSG	0x0400		/* not used */
+#define	EPOLLERR	0x0008
+#define	EPOLLHUP	0x0010
+#define	EPOLLRDHUP	0x2000
+
+#define	EPOLLWAKEUP	(1UL << 29)	/* no meaning; silently ignored */
+#define	EPOLLONESHOT	(1UL << 30)	/* translated to POLLONESHOT */
+#define	EPOLLET		(1UL << 31)	/* translated to POLLET */
+
+#define	EPOLL_CTL_ADD	1
+#define	EPOLL_CTL_DEL	2
+#define	EPOLL_CTL_MOD	3
+
+#define	EPOLL_CLOEXEC	02000000
+
+#if !defined(_KERNEL)
+
+extern int epoll_create(int size);
+extern int epoll_create1(int flags);
+extern int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event);
+extern int epoll_wait(int epfd, struct epoll_event *events,
+    int maxevents, int timeout);
+extern int epoll_pwait(int epfd, struct epoll_event *events,
+    int maxevents, int timeout, const sigset_t *sigmask);
+
+#endif /* !_KERNEL */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_EPOLL_H */
diff --git a/usr/src/uts/common/sys/eventfd.h b/usr/src/uts/common/sys/eventfd.h
new file mode 100644
index 0000000000..1b0d961b0b
--- /dev/null
+++ b/usr/src/uts/common/sys/eventfd.h
@@ -0,0 +1,68 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Header file to support for the eventfd facility.  Note that this facility
+ * is designed to be binary compatible with the Linux eventfd facility; values
+ * for constants here should therefore exactly match those found in Linux, and
+ * this facility shouldn't be extended independently of Linux.
+ */
+
+#ifndef _SYS_EVENTFD_H
+#define	_SYS_EVENTFD_H
+
+#include <sys/types.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+typedef uint64_t eventfd_t;
+
+/*
+ * To assure binary compatibility with Linux, these values are fixed at their
+ * Linux equivalents, not their native ones.
+ */
+#define	EFD_CLOEXEC		02000000		/* LX_O_CLOEXEC */
+#define	EFD_NONBLOCK		04000			/* LX_O_NONBLOCK */
+#define	EFD_SEMAPHORE		1
+
+/*
+ * These ioctl values are specific to the native implementation; applications
+ * shouldn't be using them directly, and they should therefore be safe to
+ * change without breaking apps.
+ */
+#define	EVENTFDIOC		(('e' << 24) | ('f' << 16) | ('d' << 8))
+#define	EVENTFDIOC_SEMAPHORE	(EVENTFDIOC | 1)	/* toggle sem state */
+
+#ifndef _KERNEL
+
+extern int eventfd(unsigned int, int);
+extern int eventfd_read(int, eventfd_t *);
+extern int eventfd_write(int, eventfd_t);
+
+#else
+
+#define	EVENTFDMNRN_EVENTFD	0
+#define	EVENTFDMNRN_CLONE	1
+#define	EVENTFD_VALMAX		(ULLONG_MAX - 1ULL)
+
+#endif /* _KERNEL */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_EVENTFD_H */
diff --git a/usr/src/uts/common/sys/exec.h b/usr/src/uts/common/sys/exec.h
index d36bc20481..de01910b5a 100644
--- a/usr/src/uts/common/sys/exec.h
+++ b/usr/src/uts/common/sys/exec.h
@@ -26,6 +26,10 @@
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
 /*	  All Rights Reserved  	*/
 
+/*
+ * Copyright 2015, Joyent, Inc.
+ */
+
 #ifndef _SYS_EXEC_H
 #define	_SYS_EXEC_H
 
@@ -102,10 +106,12 @@ typedef struct uarg {
 	vnode_t	*ex_vp;
 	char	*emulator;
 	char	*brandname;
+	const char *brand_nroot;
 	char	*auxp_auxflags; /* addr of auxflags auxv on the user stack */
 	char	*auxp_brand; /* address of first brand auxv on user stack */
 	cred_t	*pfcred;
 	boolean_t scrubenv;
+	uintptr_t maxstack;
 } uarg_t;
 
 /*
@@ -174,7 +180,7 @@ struct execsw {
 	int	(*exec_func)(struct vnode *vp, struct execa *uap,
 		    struct uarg *args, struct intpdata *idata, int level,
 		    long *execsz, int setid, caddr_t exec_file,
-		    struct cred *cred, int brand_action);
+		    struct cred *cred, int *brand_action);
 	int	(*exec_core)(struct vnode *vp, struct proc *p,
 		    struct cred *cred, rlim64_t rlimit, int sig,
 		    core_content_t content);
@@ -212,7 +218,7 @@ extern int exec_common(const char *fname, const char **argp,
     const char **envp, int brand_action);
 extern int gexec(vnode_t **vp, struct execa *uap, struct uarg *args,
     struct intpdata *idata, int level, long *execsz, caddr_t exec_file,
-    struct cred *cred, int brand_action);
+    struct cred *cred, int *brand_action);
 extern struct execsw *allocate_execsw(char *name, char *magic,
     size_t magic_size);
 extern struct execsw *findexecsw(char *magic);
@@ -237,16 +243,18 @@ extern void exec_set_sp(size_t);
  * when compiling the 32-bit compatability elf code in the elfexec module.
  */
 extern int elfexec(vnode_t *, execa_t *, uarg_t *, intpdata_t *, int,
-    long *, int, caddr_t, cred_t *, int);
+    long *, int, caddr_t, cred_t *, int *);
 extern int mapexec_brand(vnode_t *, uarg_t *, Ehdr *, Addr *,
-    intptr_t *, caddr_t, int *, caddr_t *, caddr_t *, size_t *, uintptr_t *);
+    intptr_t *, caddr_t, char **, caddr_t *, caddr_t *, size_t *,
+    uintptr_t *, uintptr_t *);
 #endif /* !_ELF32_COMPAT */
 
 #if defined(_LP64)
 extern int elf32exec(vnode_t *, execa_t *, uarg_t *, intpdata_t *, int,
-    long *, int, caddr_t, cred_t *, int);
+    long *, int, caddr_t, cred_t *, int *);
 extern int mapexec32_brand(vnode_t *, uarg_t *, Elf32_Ehdr *, Elf32_Addr *,
-    intptr_t *, caddr_t, int *, caddr_t *, caddr_t *, size_t *, uintptr_t *);
+    intptr_t *, caddr_t, char **, caddr_t *, caddr_t *, size_t *,
+    uintptr_t *, uintptr_t *);
 #endif  /* _LP64 */
 
 /*
diff --git a/usr/src/uts/common/sys/fcntl.h b/usr/src/uts/common/sys/fcntl.h
index aa74cab8b5..5ddade90e4 100644
--- a/usr/src/uts/common/sys/fcntl.h
+++ b/usr/src/uts/common/sys/fcntl.h
@@ -37,6 +37,7 @@
  */
 
 /* Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved. */
+/* Copyright 2015, Joyent, Inc. */
 
 #ifndef	_SYS_FCNTL_H
 #define	_SYS_FCNTL_H
@@ -145,6 +146,7 @@ extern "C" {
  * the large and small file environments; therefore, the #defined values must
  * as well.
  * The NBMAND forms are private and should not be used.
+ * The FLOCK forms are also private and should not be used.
  */
 
 #if defined(_LP64) || _FILE_OFFSET_BITS == 32
@@ -155,6 +157,13 @@ extern "C" {
 #define	F_FREESP	11	/* Free file space */
 #define	F_GETLK		14	/* Get file lock */
 #define	F_SETLK_NBMAND	42	/* private */
+#if !defined(_STRICT_SYMBOLS)
+#define	F_OFD_GETLK	47	/* Get file lock owned by file */
+#define	F_OFD_SETLK	48	/* Set file lock owned by file */
+#define	F_OFD_SETLKW	49	/* Set file lock owned by file and wait */
+#define	F_FLOCK		53	/* private - set flock owned by file */
+#define	F_FLOCKW	54	/* private - set flock owned by file and wait */
+#endif	/* _STRICT_SYMBOLS */
 #else
 /* ILP32 large file application compilation environment version */
 #define	F_SETLK		34	/* Set file lock */
@@ -163,6 +172,13 @@ extern "C" {
 #define	F_FREESP	27	/* Free file space */
 #define	F_GETLK		33	/* Get file lock */
 #define	F_SETLK_NBMAND	44	/* private */
+#if !defined(_STRICT_SYMBOLS)
+#define	F_OFD_GETLK	50	/* Get file lock owned by file */
+#define	F_OFD_SETLK	51	/* Set file lock owned by file */
+#define	F_OFD_SETLKW	52	/* Set file lock owned by file and wait */
+#define	F_FLOCK		55	/* private - set flock owned by file */
+#define	F_FLOCKW	56	/* private - set flock owned by file and wait */
+#endif	/* _STRICT_SYMBOLS */
 #endif /* _LP64 || _FILE_OFFSET_BITS == 32 */
 
 #if 	defined(_LARGEFILE64_SOURCE)
@@ -180,6 +196,13 @@ extern "C" {
 #define	F_FREESP64	27	/* Free file space */
 #define	F_GETLK64	33	/* Get file lock */
 #define	F_SETLK64_NBMAND	44	/* private */
+#if !defined(_STRICT_SYMBOLS)
+#define	F_OFD_GETLK64	50	/* Get file lock owned by file */
+#define	F_OFD_SETLK64	51	/* Set file lock owned by file */
+#define	F_OFD_SETLKW64	52	/* Set file lock owned by file and wait */
+#define	F_FLOCK64	55	/* private - set flock owned by file */
+#define	F_FLOCKW64	56	/* private - set flock owned by file and wait */
+#endif	/* _STRICT_SYMBOLS */
 #else
 #define	F_SETLK64	6	/* Set file lock */
 #define	F_SETLKW64	7	/* Set file lock and wait */
@@ -187,6 +210,13 @@ extern "C" {
 #define	F_FREESP64	11	/* Free file space */
 #define	F_GETLK64	14	/* Get file lock */
 #define	F_SETLK64_NBMAND	42	/* private */
+#if !defined(_STRICT_SYMBOLS)
+#define	F_OFD_GETLK64	47	/* Get file lock owned by file */
+#define	F_OFD_SETLK64	48	/* Set file lock owned by file */
+#define	F_OFD_SETLKW64	49	/* Set file lock owned by file and wait */
+#define	F_FLOCK64	53	/* private - set flock owned by file */
+#define	F_FLOCKW64	54	/* private - set flock owned by file and wait */
+#endif /* _STRICT_SYMBOLS */
 #endif /* !_LP64 || _KERNEL */
 
 #endif /* _LARGEFILE64_SOURCE */
diff --git a/usr/src/uts/common/sys/file.h b/usr/src/uts/common/sys/file.h
index 03acc088c2..7e297042af 100644
--- a/usr/src/uts/common/sys/file.h
+++ b/usr/src/uts/common/sys/file.h
@@ -27,6 +27,7 @@
 /*	  All Rights Reserved  	*/
 
 /* Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved. */
+/* Copyright 2015 Joyent, Inc. */
 
 #ifndef _SYS_FILE_H
 #define	_SYS_FILE_H
@@ -54,7 +55,7 @@ extern "C" {
  */
 /*
  * One file structure is allocated for each open/creat/pipe call.
- * Main use is to hold the read/write pointer associated with
+ * Main use is to hold the read/write pointer (and OFD locks) associated with
  * each open file.
  */
 typedef struct file {
@@ -66,6 +67,7 @@ typedef struct file {
 	struct cred	*f_cred;	/* credentials of user who opened it */
 	struct f_audit_data	*f_audit_data;	/* file audit data */
 	int		f_count;	/* reference count */
+	struct filock *f_filock;	/* ptr to single lock_descriptor_t */
 } file_t;
 
 /*
@@ -120,6 +122,11 @@ typedef struct fpollinfo {
 #ifdef _KERNEL
 
 /*
+ * This is a flag that is set on f_flag2, but is never user-visible
+ */
+#define	FEPOLLED	0x8000
+
+/*
  * Fake flags for driver ioctl calls to inform them of the originating
  * process' model.  See <sys/model.h>
  *
@@ -168,6 +175,19 @@ typedef struct fpollinfo {
 #define	L_SET	0	/* for lseek */
 #endif /* L_SET */
 
+/*
+ * For flock(3C).  These really don't belong here but for historical reasons
+ * the interface defines them to be here.
+ */
+#define	LOCK_SH	1
+#define	LOCK_EX	2
+#define	LOCK_NB	4
+#define	LOCK_UN	8
+
+#if !defined(_STRICT_SYMBOLS)
+extern int flock(int, int);
+#endif
+
 #if defined(_KERNEL)
 
 /*
diff --git a/usr/src/uts/common/sys/flock.h b/usr/src/uts/common/sys/flock.h
index 3ea7afb23b..39542a4c16 100644
--- a/usr/src/uts/common/sys/flock.h
+++ b/usr/src/uts/common/sys/flock.h
@@ -29,6 +29,7 @@
  */
 /*
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #ifndef _SYS_FLOCK_H
@@ -41,6 +42,9 @@
 #include <sys/callb.h>
 #include <sys/param.h>
 #include <sys/zone.h>
+#if defined(_KERNEL)
+#include <sys/file.h>
+#endif
 
 #ifdef	__cplusplus
 extern "C" {
@@ -221,6 +225,8 @@ typedef struct locklist {
 #define	FLK_QUERY_ACTIVE	0x1
 #define	FLK_QUERY_SLEEPING	0x2
 
+int	ofdlock(file_t *, int, struct flock64 *, int, u_offset_t);
+void	ofdcleanlock(file_t *);
 int	reclock(struct vnode *, struct flock64 *, int, int, u_offset_t,
 		flk_callback_t *);
 int	chklock(struct vnode *, int, u_offset_t, ssize_t, int,
diff --git a/usr/src/uts/common/sys/flock_impl.h b/usr/src/uts/common/sys/flock_impl.h
index d088192025..b1be1d598a 100644
--- a/usr/src/uts/common/sys/flock_impl.h
+++ b/usr/src/uts/common/sys/flock_impl.h
@@ -22,13 +22,12 @@
 /*
  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #ifndef _SYS_FLOCK_IMPL_H
 #define	_SYS_FLOCK_IMPL_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <sys/types.h>
 #include <sys/fcntl.h>		/* flock definition */
 #include <sys/file.h>		/* FREAD etc */
@@ -83,6 +82,7 @@ struct lock_descriptor {
 		flk_nlm_status_t l_nlm_state;	/* state of NLM server */
 		flk_callback_t	*l_callbacks;	/* callbacks, or NULL */
 		zoneid_t	l_zoneid;	/* zone of request */
+		file_t		*l_ofd;		/* OFD-style reference */
 };
 
 typedef struct 	lock_descriptor	lock_descriptor_t;
@@ -204,7 +204,8 @@ graph_t *flk_get_lock_graph(vnode_t *, int);
 
 #define	SAME_OWNER(lock1, lock2)	\
 	(((lock1)->l_flock.l_pid == (lock2)->l_flock.l_pid) && \
-		((lock1)->l_flock.l_sysid == (lock2)->l_flock.l_sysid))
+		((lock1)->l_flock.l_sysid == (lock2)->l_flock.l_sysid) && \
+		((lock1)->l_ofd == (lock2)->l_ofd))
 
 #define	COLORED(vertex)		((vertex)->l_color == (vertex)->l_graph->mark)
 #define	COLOR(vertex)		((vertex)->l_color = (vertex)->l_graph->mark)
diff --git a/usr/src/uts/common/sys/frameio.h b/usr/src/uts/common/sys/frameio.h
new file mode 100644
index 0000000000..54e6dbeedf
--- /dev/null
+++ b/usr/src/uts/common/sys/frameio.h
@@ -0,0 +1,107 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _SYS_FRAMEIO_H
+#define	_SYS_FRAMEIO_H
+
+/*
+ * Frame I/O definitions
+ */
+
+#include <sys/types.h>
+
+#ifdef _KERNEL
+/* Kernel only headers */
+#include <sys/stream.h>
+#endif	/* _KERNEL */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * An individual frame vector component. Collections of these are used to make
+ * ioctls.
+ */
+typedef struct framevec {
+	void	*fv_buf;	/* Buffer with data */
+	size_t	fv_buflen;	/* Size of the buffer */
+	size_t	fv_actlen;	/* Amount of buffer consumed, ignore on error */
+} framevec_t;
+
+/*
+ * The base unit used with frameio.
+ */
+typedef struct frameio {
+	uint_t	fio_version;	/* Should always be FRAMEIO_CURRENT_VERSION */
+	uint_t	fio_nvpf;	/* How many vectors make up one frame */
+	uint_t	fio_nvecs;	/* The total number of vectors */
+	framevec_t fio_vecs[];	/* C99 VLA */
+} frameio_t;
+
+
+#define	FRAMEIO_VERSION_ONE	1
+#define	FRAMEIO_CURRENT_VERSION	FRAMEIO_VERSION_ONE
+
+#define	FRAMEIO_NVECS_MAX	32
+
+/*
+ * Definitions for kernel modules to include as helpers. These are consolidation
+ * private.
+ */
+#ifdef _KERNEL
+
+/*
+ * 32-bit versions for 64-bit kernels
+ */
+typedef struct framevec32 {
+	caddr32_t fv_buf;
+	size32_t fv_buflen;
+	size32_t fv_actlen;
+} framevec32_t;
+
+typedef struct frameio32 {
+	uint_t fio_version;
+	uint_t fio_vecspframe;
+	uint_t fio_nvecs;
+	framevec32_t fio_vecs[];
+} frameio32_t;
+
+/*
+ * Describe the different ways that vectors should map to frames.
+ */
+typedef enum frameio_write_mblk_map {
+	MAP_BLK_FRAME
+} frameio_write_mblk_map_t;
+
+int frameio_init(void);
+void frameio_fini(void);
+frameio_t *frameio_alloc(int);
+void frameio_free(frameio_t *);
+int frameio_hdr_copyin(frameio_t *, int, const void *, uint_t);
+int frameio_mblk_chain_read(frameio_t *, mblk_t **, int *, int);
+int frameio_mblk_chain_write(frameio_t *, frameio_write_mblk_map_t, mblk_t *,
+    int *, int);
+int frameio_hdr_copyout(frameio_t *, int, void *, uint_t);
+size_t frameio_frame_length(frameio_t *, framevec_t *);
+void frameio_mark_consumed(frameio_t *, int);
+
+#endif /* _KERNEL */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_FRAMEIO_H */
diff --git a/usr/src/uts/common/sys/fs/bootfs_impl.h b/usr/src/uts/common/sys/fs/bootfs_impl.h
new file mode 100644
index 0000000000..5726f1428a
--- /dev/null
+++ b/usr/src/uts/common/sys/fs/bootfs_impl.h
@@ -0,0 +1,81 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _SYS_FS_BOOTFS_IMPL_H
+#define	_SYS_FS_BOOTFS_IMPL_H
+
+#include <sys/types.h>
+#include <sys/list.h>
+#include <sys/avl.h>
+#include <sys/vnode.h>
+#include <sys/vfs_opreg.h>
+#include <sys/kstat.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * The bootfs node is the file system specific version of the vnode for the
+ * bootfs file system. Because the bootfs file system is entirely a read-only
+ * file system, this structure requires no locking as the contents are
+ * immutable.
+ */
+typedef struct bootfs_node {
+	char			*bvn_name;	/* entry name */
+	struct vnode		*bvn_vnp;	/* Corresponding vnode */
+	avl_tree_t		bvn_dir;	/* directory entries, if VDIR */
+	avl_node_t		bvn_link;	/* dirent link */
+	list_node_t		bvn_alink;	/* link for all nodes */
+	uint64_t		bvn_addr;	/* Address in pmem */
+	uint64_t		bvn_size;	/* Size of the file */
+	struct bootfs_node	*bvn_parent;	/* .. */
+	vattr_t			bvn_attr;	/* attributes for the node */
+} bootfs_node_t;
+
+typedef struct bootfs_stat {
+	kstat_named_t	bfss_nfiles;
+	kstat_named_t	bfss_ndirs;
+	kstat_named_t	bfss_nbytes;
+	kstat_named_t	bfss_ndups;
+	kstat_named_t	bfss_ndiscards;
+} bootfs_stat_t;
+
+typedef struct bootfs {
+	vfs_t			*bfs_vfsp;
+	char			*bfs_mntpath;
+	bootfs_node_t		*bfs_rootvn;
+	kstat_t			*bfs_kstat;
+	list_t			bfs_nodes;
+	minor_t			bfs_minor;
+	uint_t			bfs_ninode;
+	bootfs_stat_t		bfs_stat;
+} bootfs_t;
+
+extern void bootfs_construct(bootfs_t *);
+extern void bootfs_destruct(bootfs_t *);
+extern int bootfs_node_constructor(void *, void *, int);
+extern void bootfs_node_destructor(void *, void *);
+
+extern struct vnodeops *bootfs_vnodeops;
+extern const fs_operation_def_t bootfs_vnodeops_template[];
+extern kmem_cache_t *bootfs_node_cache;
+extern major_t bootfs_major;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_FS_BOOTFS_IMPL_H */
diff --git a/usr/src/uts/common/sys/fs/hyprlofs.h b/usr/src/uts/common/sys/fs/hyprlofs.h
new file mode 100644
index 0000000000..b8c4149df2
--- /dev/null
+++ b/usr/src/uts/common/sys/fs/hyprlofs.h
@@ -0,0 +1,91 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2012, Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef	_SYS_FS_HYPRLOFS_H
+#define	_SYS_FS_HYPRLOFS_H
+
+#include <sys/param.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * hyprlofs ioctl numbers.
+ */
+#define	HYPRLOFS_IOC	('H' << 8)
+
+#define	HYPRLOFS_ADD_ENTRIES	(HYPRLOFS_IOC | 1)
+#define	HYPRLOFS_RM_ENTRIES	(HYPRLOFS_IOC | 2)
+#define	HYPRLOFS_RM_ALL		(HYPRLOFS_IOC | 3)
+#define	HYPRLOFS_GET_ENTRIES	(HYPRLOFS_IOC | 4)
+
+typedef struct {
+	char	*hle_path;
+	uint_t	hle_plen;
+	char	*hle_name;
+	uint_t	hle_nlen;
+} hyprlofs_entry_t;
+
+typedef struct {
+	hyprlofs_entry_t	*hle_entries;
+	uint_t			hle_len;
+} hyprlofs_entries_t;
+
+typedef struct {
+	char		hce_path[MAXPATHLEN];
+	char		hce_name[MAXPATHLEN];
+} hyprlofs_curr_entry_t;
+
+typedef struct {
+	hyprlofs_curr_entry_t	*hce_entries;
+	uint_t			hce_cnt;
+} hyprlofs_curr_entries_t;
+
+#ifdef _KERNEL
+typedef struct {
+	caddr32_t	hle_path;
+	uint_t		hle_plen;
+	caddr32_t	hle_name;
+	uint_t		hle_nlen;
+} hyprlofs_entry32_t;
+
+typedef struct {
+	caddr32_t	hle_entries;
+	uint_t		hle_len;
+} hyprlofs_entries32_t;
+
+typedef struct {
+	caddr32_t	hce_entries;
+	uint_t		hce_cnt;
+} hyprlofs_curr_entries32_t;
+
+#endif /* _KERNEL */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_FS_HYPRLOFS_H */
diff --git a/usr/src/uts/common/sys/fs/hyprlofs_info.h b/usr/src/uts/common/sys/fs/hyprlofs_info.h
new file mode 100644
index 0000000000..38389f77d9
--- /dev/null
+++ b/usr/src/uts/common/sys/fs/hyprlofs_info.h
@@ -0,0 +1,174 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2012, Joyent, Inc. All rights reserved.
+ */
+
+#ifndef	_SYS_FS_HYPRLOFS_INFO_H
+#define	_SYS_FS_HYPRLOFS_INFO_H
+
+#include <sys/t_lock.h>
+#include <vm/seg.h>
+#include <vm/seg_vn.h>
+#include <sys/vfs_opreg.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * hlnode is the file system dependent node for hyprlofs.
+ * It is modeled on the tmpfs tmpnode.
+ *
+ *	hln_rwlock protects access of the directory list at hln_dir
+ *	as well as syncronizing read/writes to directory hlnodes.
+ *	hln_tlock protects updates to hln_mode and hln_nlink.
+ *	hln_tlock doesn't require any hlnode locks.
+ */
+typedef struct hlnode {
+	struct hlnode	*hln_back;		/* linked list of hlnodes */
+	struct hlnode	*hln_forw;		/* linked list of hlnodes */
+	union {
+		struct {
+			struct hldirent	*un_dirlist; /* dirent list */
+			uint_t	un_dirents;	/* number of dirents */
+		} un_dirstruct;
+		vnode_t	*un_realvp;		/* real vnode */
+	} un_hlnode;
+	vnode_t 	*hln_vnode;		/* vnode for this hlnode */
+	int 		hln_gen;		/* pseudo gen num for hlfid */
+	int 		hln_looped;		/* flag indicating loopback */
+	vattr_t		hln_attr;		/* attributes */
+	krwlock_t	hln_rwlock;		/* rw - serialize mods and */
+						/* directory updates */
+	kmutex_t	hln_tlock;		/* time, flag, and nlink lock */
+} hlnode_t;
+
+/*
+ * hyprlofs per-mount data structure.
+ * All fields are protected by hlm_contents.
+ */
+typedef struct {
+	vfs_t		*hlm_vfsp;	/* filesystem's vfs struct */
+	hlnode_t	*hlm_rootnode;	/* root hlnode */
+	char 		*hlm_mntpath;	/* name of hyprlofs mount point */
+	dev_t		hlm_dev;	/* unique dev # of mounted `device' */
+	uint_t		hlm_gen;	/* pseudo generation number for files */
+	kmutex_t	hlm_contents;	/* lock for hlfsmount structure */
+} hlfsmount_t;
+
+/*
+ * hyprlofs directories are made up of a linked list of hldirent structures
+ * hanging off directory hlnodes.  File names are not fixed length,
+ * but are null terminated.
+ */
+typedef struct hldirent {
+	hlnode_t	*hld_hlnode;		/* hlnode for this file */
+	struct hldirent	*hld_next;		/* next directory entry */
+	struct hldirent	*hld_prev;		/* prev directory entry */
+	uint_t		hld_offset;		/* "offset" of dir entry */
+	uint_t		hld_hash;		/* a hash of td_name */
+	struct hldirent	*hld_link;		/* linked via the hash table */
+	hlnode_t	*hld_parent;		/* parent, dir we are in */
+	char		*hld_name;		/* must be null terminated */
+						/* max length is MAXNAMELEN */
+} hldirent_t;
+
+/*
+ * hlfid overlays the fid structure (for VFS_VGET)
+ */
+typedef struct {
+	uint16_t hlfid_len;
+	ino32_t	hlfid_ino;
+	int32_t	hlfid_gen;
+} hlfid_t;
+
+/*
+ * File system independent to hyprlofs conversion macros
+ */
+#define	VFSTOHLM(vfsp)		((hlfsmount_t *)(vfsp)->vfs_data)
+#define	VTOHLM(vp)		((hlfsmount_t *)(vp)->v_vfsp->vfs_data)
+#define	VTOHLN(vp)		((hlnode_t *)(vp)->v_data)
+#define	HLNTOV(tp)		((tp)->hln_vnode)
+#define	REALVP(vp)		((vnode_t *)VTOHLN(vp)->hln_realvp)
+#define	hlnode_hold(tp)		VN_HOLD(HLNTOV(tp))
+#define	hlnode_rele(tp)		VN_RELE(HLNTOV(tp))
+
+#define	hln_dir		un_hlnode.un_dirstruct.un_dirlist
+#define	hln_dirents	un_hlnode.un_dirstruct.un_dirents
+#define	hln_realvp	un_hlnode.un_realvp
+
+/*
+ * Attributes
+ */
+#define	hln_mask	hln_attr.va_mask
+#define	hln_type	hln_attr.va_type
+#define	hln_mode	hln_attr.va_mode
+#define	hln_uid		hln_attr.va_uid
+#define	hln_gid		hln_attr.va_gid
+#define	hln_fsid	hln_attr.va_fsid
+#define	hln_nodeid	hln_attr.va_nodeid
+#define	hln_nlink	hln_attr.va_nlink
+#define	hln_size	hln_attr.va_size
+#define	hln_atime	hln_attr.va_atime
+#define	hln_mtime	hln_attr.va_mtime
+#define	hln_ctime	hln_attr.va_ctime
+#define	hln_rdev	hln_attr.va_rdev
+#define	hln_blksize	hln_attr.va_blksize
+#define	hln_nblocks	hln_attr.va_nblocks
+#define	hln_seq		hln_attr.va_seq
+
+/*
+ * enums
+ */
+enum de_op	{ DE_CREATE, DE_MKDIR }; /* direnter ops */
+enum dr_op	{ DR_REMOVE, DR_RMDIR }; /* dirremove ops */
+
+/*
+ * hyprlofs_minfree is the amount (in pages) of anonymous memory that hyprlofs
+ * leaves free for the rest of the system. The default value for
+ * hyprlofs_minfree is btopr(HYPRLOFSMINFREE) but it can be patched to a
+ * different number of pages.  Since hyprlofs doesn't actually use much
+ * memory, its unlikely this ever needs to be patched.
+ */
+#define		HYPRLOFSMINFREE 8 * 1024 * 1024 /* 8 Megabytes */
+
+extern size_t  hyprlofs_minfree;		/* Anonymous memory in pages */
+
+extern	void	hyprlofs_node_init(hlfsmount_t *, hlnode_t *, vattr_t *,
+		    cred_t *);
+extern	int	hyprlofs_dirlookup(hlnode_t *, char *, hlnode_t **, cred_t *);
+extern	int	hyprlofs_dirdelete(hlnode_t *, hlnode_t *, char *, enum dr_op,
+		    cred_t *);
+extern	void	hyprlofs_dirinit(hlnode_t *, hlnode_t *);
+extern	void	hyprlofs_dirtrunc(hlnode_t *);
+extern	int	hyprlofs_taccess(void *, int, cred_t *);
+extern	int	hyprlofs_direnter(hlfsmount_t *, hlnode_t *, char *, enum de_op,
+		    vnode_t *, vattr_t *, hlnode_t **, cred_t *);
+
+extern struct vnodeops *hyprlofs_vnodeops;
+extern const struct fs_operation_def hyprlofs_vnodeops_template[];
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_FS_HYPRLOFS_INFO_H */
diff --git a/usr/src/uts/common/sys/fs/sdev_impl.h b/usr/src/uts/common/sys/fs/sdev_impl.h
index 19a147d88a..d5bd0162c7 100644
--- a/usr/src/uts/common/sys/fs/sdev_impl.h
+++ b/usr/src/uts/common/sys/fs/sdev_impl.h
@@ -35,6 +35,7 @@ extern "C" {
 #include <sys/vfs_opreg.h>
 #include <sys/list.h>
 #include <sys/nvpair.h>
+#include <sys/fs/sdev_plugin.h>
 
 /*
  * sdev_nodes are the file-system specific part of the
@@ -126,6 +127,21 @@ typedef struct sdev_local_data {
 	struct sdev_dprof sdev_lprof;	/* profile for multi-inst */
 } sdev_local_data_t;
 
+/* sdev_flags */
+typedef enum sdev_flags {
+	SDEV_BUILD =		0x0001,	/* directory cache out-of-date */
+	SDEV_GLOBAL =		0x0002,	/* global /dev nodes */
+	SDEV_PERSIST =		0x0004,	/* backing store persisted node */
+	SDEV_NO_NCACHE = 	0x0008,	/* do not include in neg. cache */
+	SDEV_DYNAMIC =		0x0010,	/* special-purpose vnode ops */
+					/* (ex: pts) */
+	SDEV_VTOR =		0x0020,	/* validate sdev_nodes during search */
+	SDEV_ATTR_INVALID =	0x0040,	/* invalid node attributes, */
+					/* need update */
+	SDEV_SUBDIR =		0x0080,	/* match all subdirs under here */
+	SDEV_ZONED =		0x0100	/* zoned subdir */
+} sdev_flags_t;
+
 /*
  * /dev filesystem sdev_node defines
  */
@@ -148,7 +164,7 @@ typedef struct sdev_node {
 	ino64_t		sdev_ino;	/* inode */
 	uint_t		sdev_nlink;	/* link count */
 	int		sdev_state;	/* state of this node */
-	int		sdev_flags;	/* flags bit */
+	sdev_flags_t	sdev_flags;	/* flags bit */
 
 	kmutex_t	sdev_lookup_lock; /* node creation synch lock */
 	kcondvar_t	sdev_lookup_cv;	/* node creation sync cv */
@@ -159,7 +175,7 @@ typedef struct sdev_node {
 		struct sdev_global_data	sdev_globaldata;
 		struct sdev_local_data	sdev_localdata;
 	} sdev_instance_data;
-
+	list_node_t	sdev_plist;	/* link on plugin list */
 	void		*sdev_private;
 } sdev_node_t;
 
@@ -190,29 +206,11 @@ typedef enum {
 	SDEV_READY
 } sdev_node_state_t;
 
-/* sdev_flags */
-#define	SDEV_BUILD		0x0001	/* directory cache out-of-date */
-#define	SDEV_GLOBAL		0x0002	/* global /dev nodes */
-#define	SDEV_PERSIST		0x0004	/* backing store persisted node */
-#define	SDEV_NO_NCACHE		0x0008	/* do not include in neg. cache */
-#define	SDEV_DYNAMIC		0x0010	/* special-purpose vnode ops */
-					/* (ex: pts) */
-#define	SDEV_VTOR		0x0020	/* validate sdev_nodes during search */
-#define	SDEV_ATTR_INVALID	0x0040	/* invalid node attributes, */
-					/* need update */
-#define	SDEV_SUBDIR		0x0080	/* match all subdirs under here */
-#define	SDEV_ZONED		0x0100  /* zoned subdir */
-
 /* sdev_lookup_flags */
 #define	SDEV_LOOKUP	0x0001	/* node creation in progress */
 #define	SDEV_READDIR	0x0002	/* VDIR readdir in progress */
 #define	SDEV_LGWAITING	0x0004	/* waiting for devfsadm completion */
 
-#define	SDEV_VTOR_INVALID	-1
-#define	SDEV_VTOR_SKIP		0
-#define	SDEV_VTOR_VALID		1
-#define	SDEV_VTOR_STALE		2
-
 /* convenient macros */
 #define	SDEV_IS_GLOBAL(dv)	\
 	(dv->sdev_flags & SDEV_GLOBAL)
@@ -364,8 +362,13 @@ extern void sdev_devfsadmd_thread(struct sdev_node *, struct sdev_node *,
 extern int devname_profile_update(char *, size_t);
 extern struct sdev_data *sdev_find_mntinfo(char *);
 void sdev_mntinfo_rele(struct sdev_data *);
+typedef void (*sdev_mnt_walk_f)(struct sdev_node *, void *);
+void sdev_mnt_walk(sdev_mnt_walk_f, void *);
 extern struct vnodeops *devpts_getvnodeops(void);
 extern struct vnodeops *devvt_getvnodeops(void);
+extern void sdev_plugin_nodeready(struct sdev_node *);
+extern int sdev_plugin_init(void);
+extern int sdev_plugin_fini(void);
 
 /*
  * boot states - warning, the ordering here is significant
@@ -510,6 +513,23 @@ extern void sdev_nc_path_exists(sdev_nc_list_t *, char *);
 extern void sdev_modctl_dump_files(void);
 
 /*
+ * plugin and legacy vtab stuff
+ */
+/* directory dependent vop table */
+typedef struct sdev_vop_table {
+	char *vt_name;				/* subdirectory name */
+	const fs_operation_def_t *vt_service;	/* vnodeops table */
+	struct vnodeops **vt_global_vops;	/* global container for vop */
+	int (*vt_vtor)(struct sdev_node *);	/* validate sdev_node */
+	int vt_flags;
+} sdev_vop_table_t;
+
+extern struct sdev_vop_table vtab[];
+extern struct vnodeops *sdev_get_vop(struct sdev_node *);
+extern void sdev_set_no_negcache(struct sdev_node *);
+extern void *sdev_get_vtor(struct sdev_node *dv);
+
+/*
  * globals
  */
 extern kmutex_t sdev_lock;
@@ -522,6 +542,7 @@ extern struct vnodeops		*devipnet_vnodeops;
 extern struct vnodeops		*devvt_vnodeops;
 extern struct sdev_data *sdev_origins; /* mount info for global /dev instance */
 extern struct vnodeops		*devzvol_vnodeops;
+extern int			sdev_vnodeops_tbl_size;
 
 extern const fs_operation_def_t	sdev_vnodeops_tbl[];
 extern const fs_operation_def_t	devpts_vnodeops_tbl[];
diff --git a/usr/src/uts/common/sys/fs/sdev_plugin.h b/usr/src/uts/common/sys/fs/sdev_plugin.h
new file mode 100644
index 0000000000..8783df58e6
--- /dev/null
+++ b/usr/src/uts/common/sys/fs/sdev_plugin.h
@@ -0,0 +1,106 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _SYS_SDEV_PLUGIN_H
+#define	_SYS_SDEV_PLUGIN_H
+
+/*
+ * Kernel sdev plugin interface
+ */
+
+#ifdef _KERNEL
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/vnode.h>
+
+#endif	/* _KERNEL */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef _KERNEL
+
+typedef uintptr_t sdev_plugin_hdl_t;
+typedef uintptr_t sdev_ctx_t;
+
+/*
+ * Valid return values for sdev_plugin_validate_t.
+ */
+typedef enum sdev_plugin_validate {
+	SDEV_VTOR_INVALID = -1,
+	SDEV_VTOR_SKIP = 0,
+	SDEV_VTOR_VALID	= 1,
+	SDEV_VTOR_STALE	= 2
+} sdev_plugin_validate_t;
+
+/*
+ * Valid flags
+ */
+typedef enum sdev_plugin_flags {
+	SDEV_PLUGIN_NO_NCACHE = 0x1,
+	SDEV_PLUGIN_SUBDIR = 0x2
+} sdev_plugin_flags_t;
+
+#define	SDEV_PLUGIN_FLAGS_MASK	0x3
+
+/*
+ * Functions a module must implement
+ */
+typedef sdev_plugin_validate_t (*sp_valid_f)(sdev_ctx_t);
+typedef int (*sp_filldir_f)(sdev_ctx_t);
+typedef void (*sp_inactive_f)(sdev_ctx_t);
+
+#define	SDEV_PLUGIN_VERSION	1
+
+typedef struct sdev_plugin_ops {
+	int spo_version;
+	sdev_plugin_flags_t spo_flags;
+	sp_valid_f spo_validate;
+	sp_filldir_f spo_filldir;
+	sp_inactive_f spo_inactive;
+} sdev_plugin_ops_t;
+
+extern sdev_plugin_hdl_t sdev_plugin_register(const char *, sdev_plugin_ops_t *,
+    int *);
+extern int sdev_plugin_unregister(sdev_plugin_hdl_t);
+
+typedef enum sdev_ctx_flags {
+	SDEV_CTX_GLOBAL = 0x2	/* node belongs to the GZ */
+} sdev_ctx_flags_t;
+
+/*
+ * Context helper functions
+ */
+extern sdev_ctx_flags_t sdev_ctx_flags(sdev_ctx_t);
+extern const char *sdev_ctx_name(sdev_ctx_t);
+extern const char *sdev_ctx_path(sdev_ctx_t);
+extern enum vtype sdev_ctx_vtype(sdev_ctx_t);
+extern const void *sdev_ctx_vtype_data(sdev_ctx_t);
+
+/*
+ * Callbacks to manipulate nodes
+ */
+extern int sdev_plugin_mkdir(sdev_ctx_t, char *);
+extern int sdev_plugin_mknod(sdev_ctx_t, char *, mode_t, dev_t);
+
+#endif	/* _KERNEL */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_SDEV_PLUGIN_H */
diff --git a/usr/src/uts/common/sys/fs/tmp.h b/usr/src/uts/common/sys/fs/tmp.h
index 68dd67c61e..f8740e8873 100644
--- a/usr/src/uts/common/sys/fs/tmp.h
+++ b/usr/src/uts/common/sys/fs/tmp.h
@@ -22,12 +22,13 @@
  * Copyright 2007 Sun Microsystems, Inc.
  * All rights reserved.  Use is subject to license terms.
  */
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
 
 #ifndef	_SYS_FS_TMP_H
 #define	_SYS_FS_TMP_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #ifdef	__cplusplus
 extern "C" {
 #endif
@@ -68,29 +69,28 @@ enum dr_op	{ DR_REMOVE, DR_RMDIR, DR_RENAME };	/* dirremove ops */
 
 /*
  * tmpfs_minfree is the amount (in pages) of anonymous memory that tmpfs
- * leaves free for the rest of the system.  E.g. in a system with 32MB of
- * configured swap space, if 16MB were reserved (leaving 16MB free),
- * tmpfs could allocate up to 16MB - tmpfs_minfree.  The default value
- * for tmpfs_minfree is btopr(TMPMINFREE) but it can cautiously patched
- * to a different number of pages.
- * NB: If tmpfs allocates too much swap space, other processes will be
- * unable to execute.
+ * leaves free for the rest of the system.  In antiquity, this number could be
+ * relevant on a system-wide basis, as physical DRAM was routinely exhausted;
+ * however, in more modern times, the relative growth of DRAM with respect to
+ * application footprint means that this number is only likely to become
+ * factor in a virtualized OS environment (e.g., a zone) -- and even then only
+ * when DRAM and swap have both been capped low to allow for maximum tenancy.
+ * TMPMINFREE -- the value from which tmpfs_minfree is derived -- should
+ * therefore be configured to a value that is roughly the smallest practical
+ * value for memory + swap minus the largest reasonable size for tmpfs in such
+ * a configuration.  As of this writing, the smallest practical memory + swap
+ * configuration is 128MB, and it seems reasonable to allow tmpfs to consume
+ * no more than seven-eighths of this, yielding a TMPMINFREE of 16MB.  Care
+ * should be exercised in changing this:  tuning this value too high will
+ * result in spurious ENOSPC errors in tmpfs in small zones (a problem that
+ * can induce cascading failure surprisingly often); tuning this value too low
+ * will result in tmpfs consumption alone to alone induce application-level
+ * memory allocation failure.
  */
-#define	TMPMINFREE	2 * 1024 * 1024	/* 2 Megabytes */
+#define	TMPMINFREE	16 * 1024 * 1024	/* 16 Megabytes */
 
 extern size_t	tmpfs_minfree;		/* Anonymous memory in pages */
 
-/*
- * tmpfs can allocate only a certain percentage of kernel memory,
- * which is used for tmpnodes, directories, file names, etc.
- * This is statically set as TMPMAXFRACKMEM of physical memory.
- * The actual number of allocatable bytes can be patched in tmpfs_maxkmem.
- */
-#define	TMPMAXFRACKMEM	25	/* 1/25 of physical memory */
-
-extern size_t 	tmp_kmemspace;
-extern size_t	tmpfs_maxkmem;	/* Allocatable kernel memory in bytes */
-
 extern	void	tmpnode_init(struct tmount *, struct tmpnode *,
 	struct vattr *, struct cred *);
 extern	int	tmpnode_trunc(struct tmount *, struct tmpnode *, ulong_t);
@@ -101,13 +101,12 @@ extern	int	tdirdelete(struct tmpnode *, struct tmpnode *, char *,
 	enum dr_op, struct cred *);
 extern	void	tdirinit(struct tmpnode *, struct tmpnode *);
 extern	void	tdirtrunc(struct tmpnode *);
-extern	void	*tmp_memalloc(size_t, int);
-extern	void	tmp_memfree(void *, size_t);
 extern	int	tmp_resv(struct tmount *, struct tmpnode *, size_t, int);
 extern	int	tmp_taccess(void *, int, struct cred *);
 extern	int	tmp_sticky_remove_access(struct tmpnode *, struct tmpnode *,
 	struct cred *);
 extern	int	tmp_convnum(char *, pgcnt_t *);
+extern	int	tmp_convmode(char *, mode_t *);
 extern	int	tdirenter(struct tmount *, struct tmpnode *, char *,
 	enum de_op, struct tmpnode *, struct tmpnode *, struct vattr *,
 	struct tmpnode **, struct cred *, caller_context_t *);
diff --git a/usr/src/uts/common/sys/gsqueue.h b/usr/src/uts/common/sys/gsqueue.h
new file mode 100644
index 0000000000..40ef4ce982
--- /dev/null
+++ b/usr/src/uts/common/sys/gsqueue.h
@@ -0,0 +1,65 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _SYS_GSQUEUE_H
+#define	_SYS_GSQUEUE_H
+
+/*
+ * Standard interfaces to serializaion queues for everyone (except IP).
+ */
+
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef _KERNEL
+
+typedef struct gsqueue gsqueue_t;
+typedef struct gsqueue_set gsqueue_set_t;
+
+typedef void (*gsqueue_cb_f)(gsqueue_set_t *, gsqueue_t *, void *, boolean_t);
+typedef void (*gsqueue_proc_f)(void *, mblk_t *, gsqueue_t *, void *);
+
+extern gsqueue_set_t *gsqueue_set_create(uint_t, pri_t);
+extern void gsqueue_set_destroy(gsqueue_set_t *);
+extern gsqueue_t *gsqueue_set_get(gsqueue_set_t *, uint_t);
+
+extern uintptr_t gsqueue_set_cb_add(gsqueue_set_t *, gsqueue_cb_f, void *);
+extern int gsqueue_set_cb_remove(gsqueue_set_t *, uintptr_t);
+
+#define	GSQUEUE_FILL	0x0001
+#define	GSQUEUE_NODRAIN	0x0002
+#define	GSQUEUE_PROCESS	0x0004
+
+extern void gsqueue_enter_one(gsqueue_t *, mblk_t *, gsqueue_proc_f, void *,
+    int, uint8_t);
+
+/*
+ * The default wait is inherited from IP. This determines the amount of time
+ * that must pass after queuing work, before we wake up the worker thread. This
+ * value is in milliseconds.
+ */
+#define	GSQUEUE_DEFAULT_WAIT	10
+#define	GSQUEUE_DEFAULT_PRIORITY	MAXCLSYSPRI
+
+#endif	/* _KERNEL */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_GSQUEUE_H */
diff --git a/usr/src/uts/common/sys/id_space.h b/usr/src/uts/common/sys/id_space.h
index d56fcceb5a..46d25f207f 100644
--- a/usr/src/uts/common/sys/id_space.h
+++ b/usr/src/uts/common/sys/id_space.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc.  All Rights reserved.
  */
 
 #ifndef	_ID_SPACE_H
@@ -34,8 +35,6 @@ extern "C" {
 #include <sys/mutex.h>
 #include <sys/vmem.h>
 
-#ifdef _KERNEL
-
 typedef vmem_t id_space_t;
 
 id_space_t *id_space_create(const char *, id_t, id_t);
@@ -48,8 +47,6 @@ id_t id_allocff_nosleep(id_space_t *);
 id_t id_alloc_specific_nosleep(id_space_t *, id_t);
 void id_free(id_space_t *, id_t);
 
-#endif /* _KERNEL */
-
 #ifdef	__cplusplus
 }
 #endif
diff --git a/usr/src/uts/common/sys/inotify.h b/usr/src/uts/common/sys/inotify.h
new file mode 100644
index 0000000000..8acc1a7280
--- /dev/null
+++ b/usr/src/uts/common/sys/inotify.h
@@ -0,0 +1,153 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Header file to support for the inotify facility.  Note that this facility
+ * is designed to be binary compatible with the Linux inotify facility; values
+ * for constants here should therefore exactly match those found in Linux, and
+ * this facility shouldn't be extended independently of Linux.
+ */
+
+#ifndef _SYS_INOTIFY_H
+#define	_SYS_INOTIFY_H
+
+#include <sys/types.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * Events that can be explicitly requested on any inotify watch.
+ */
+#define	IN_ACCESS		0x00000001
+#define	IN_MODIFY		0x00000002
+#define	IN_ATTRIB		0x00000004
+#define	IN_CLOSE_WRITE		0x00000008
+#define	IN_CLOSE_NOWRITE	0x00000010
+#define	IN_OPEN			0x00000020
+#define	IN_MOVED_FROM		0x00000040
+#define	IN_MOVED_TO		0x00000080
+#define	IN_CREATE		0x00000100
+#define	IN_DELETE		0x00000200
+#define	IN_DELETE_SELF		0x00000400
+#define	IN_MOVE_SELF		0x00000800
+
+/*
+ * Events that can be sent to an inotify watch -- requested or not.
+ */
+#define	IN_UNMOUNT		0x00002000
+#define	IN_Q_OVERFLOW		0x00004000
+#define	IN_IGNORED		0x00008000
+
+/*
+ * Flags that can modify an inotify event.
+ */
+#define	IN_ONLYDIR		0x01000000
+#define	IN_DONT_FOLLOW		0x02000000
+#define	IN_EXCL_UNLINK		0x04000000
+#define	IN_MASK_ADD		0x20000000
+#define	IN_ISDIR		0x40000000
+#define	IN_ONESHOT		0x80000000
+
+/*
+ * Helpful constants.
+ */
+#define	IN_CLOSE		(IN_CLOSE_WRITE | IN_CLOSE_NOWRITE)
+#define	IN_MOVE			(IN_MOVED_FROM | IN_MOVED_TO)
+#define	IN_ALL_EVENTS		\
+	(IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE | \
+	IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM | IN_MOVED_TO | \
+	IN_DELETE | IN_CREATE | IN_DELETE_SELF | IN_MOVE_SELF)
+
+#define	IN_CHILD_EVENTS		\
+	(IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE | \
+	IN_CLOSE_NOWRITE | IN_MODIFY | IN_OPEN)
+
+/*
+ * To assure binary compatibility with Linux, these values are fixed at their
+ * Linux equivalents, not their native ones.
+ */
+#define	IN_CLOEXEC		02000000		/* LX_O_CLOEXEC */
+#define	IN_NONBLOCK		04000			/* LX_O_NONBLOCK */
+
+struct inotify_event {
+	int32_t		wd;		/* watch descriptor */
+	uint32_t	mask;		/* mask of events */
+	uint32_t	cookie;		/* event association cookie, if any */
+	uint32_t	len;		/* size of name field */
+	char		name[];		/* optional NUL-terminated name */
+};
+
+/*
+ * These ioctl values are specific to the native implementation; applications
+ * shouldn't be using them directly, and they should therefore be safe to
+ * change without breaking apps.
+ */
+#define	INOTIFYIOC		(('i' << 24) | ('n' << 16) | ('y' << 8))
+#define	INOTIFYIOC_ADD_WATCH	(INOTIFYIOC | 1)	/* add watch */
+#define	INOTIFYIOC_RM_WATCH	(INOTIFYIOC | 2)	/* remove watch */
+#define	INOTIFYIOC_ADD_CHILD	(INOTIFYIOC | 3)	/* add child watch */
+#define	INOTIFYIOC_ACTIVATE	(INOTIFYIOC | 4)	/* activate watch */
+
+#ifndef _LP64
+#ifndef _LITTLE_ENDIAN
+#define	INOTIFY_PTR(type, name)	uint32_t name##pad; type *name
+#else
+#define	INOTIFY_PTR(type, name)	type *name; uint32_t name##pad
+#endif
+#else
+#define	INOTIFY_PTR(type, name)	type *name
+#endif
+
+typedef struct inotify_addwatch {
+	int inaw_fd;			/* open fd for object */
+	uint32_t inaw_mask;		/* desired mask */
+} inotify_addwatch_t;
+
+typedef struct inotify_addchild {
+	INOTIFY_PTR(char, inac_name);	/* pointer to name */
+	int inac_fd;			/* open fd for parent */
+} inotify_addchild_t;
+
+#ifndef _KERNEL
+
+extern int inotify_init(void);
+extern int inotify_init1(int);
+extern int inotify_add_watch(int, const char *, uint32_t);
+extern int inotify_rm_watch(int, int);
+
+#else
+
+#define	IN_UNMASKABLE \
+	(IN_UNMOUNT | IN_Q_OVERFLOW | IN_IGNORED | IN_ISDIR)
+
+#define	IN_MODIFIERS \
+	(IN_EXCL_UNLINK | IN_ONESHOT)
+
+#define	IN_FLAGS \
+	(IN_ONLYDIR | IN_DONT_FOLLOW | IN_MASK_ADD)
+
+#define	IN_REMOVAL		(1ULL << 32)
+#define	INOTIFYMNRN_INOTIFY	0
+#define	INOTIFYMNRN_CLONE	1
+
+#endif /* _KERNEL */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_INOTIFY_H */
diff --git a/usr/src/uts/common/sys/klwp.h b/usr/src/uts/common/sys/klwp.h
index 41b70f6a6e..2aceb3a0f6 100644
--- a/usr/src/uts/common/sys/klwp.h
+++ b/usr/src/uts/common/sys/klwp.h
@@ -24,7 +24,7 @@
  */
 
 /*
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #ifndef	_SYS_KLWP_H
@@ -192,6 +192,8 @@ typedef struct _klwp {
 	struct contract	*lwp_ct_latest[CTT_MAXTYPE]; /* last created contract */
 
 	void	*lwp_brand;		/* per-lwp brand data */
+	int	(*lwp_brand_syscall)(void); /* brand syscall interposer */
+
 	struct psinfo *lwp_spymaster;	/* if an agent LWP, our spymaster */
 } klwp_t;
 
diff --git a/usr/src/uts/common/sys/ksocket.h b/usr/src/uts/common/sys/ksocket.h
index dfe25eec76..be669cb78d 100644
--- a/usr/src/uts/common/sys/ksocket.h
+++ b/usr/src/uts/common/sys/ksocket.h
@@ -21,6 +21,7 @@
 /*
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #ifndef _SYS_KSOCKET_H_
@@ -121,6 +122,10 @@ extern int 	ksocket_close(ksocket_t, struct cred *);
 extern void	ksocket_hold(ksocket_t);
 extern void	ksocket_rele(ksocket_t);
 
+typedef boolean_t (*ksocket_krecv_f)(ksocket_t, mblk_t *, size_t, int, void *);
+extern int	ksocket_krecv_set(ksocket_t, ksocket_krecv_f, void *);
+extern void	ksocket_krecv_unblock(ksocket_t);
+
 #ifdef	__cplusplus
 }
 #endif
diff --git a/usr/src/uts/common/sys/limits.h b/usr/src/uts/common/sys/limits.h
new file mode 100644
index 0000000000..88625d1829
--- /dev/null
+++ b/usr/src/uts/common/sys/limits.h
@@ -0,0 +1,32 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+/*
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _SYS_LIMITS_H
+#define	_SYS_LIMITS_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#define	IOV_MAX	1024
+
+#ifdef _KERNEL
+#define	IOV_MAX_STACK	16	/* max. IOV on-stack allocation */
+#endif /* _KERNEL */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_LIMITS_H */
diff --git a/usr/src/uts/common/sys/mac.h b/usr/src/uts/common/sys/mac.h
index bd09077f1b..3c4e064f06 100644
--- a/usr/src/uts/common/sys/mac.h
+++ b/usr/src/uts/common/sys/mac.h
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #ifndef	_SYS_MAC_H
@@ -100,6 +100,14 @@ typedef struct mac_propval_uint32_range_s {
 } mac_propval_uint32_range_t;
 
 /*
+ * Defines ranges which are a series of C style strings.
+ */
+typedef struct mac_propval_str_range_s {
+	uint32_t mpur_nextbyte;
+	char mpur_data[1];
+} mac_propval_str_range_t;
+
+/*
  * Data type of property values.
  */
 typedef enum {
@@ -119,6 +127,7 @@ typedef struct mac_propval_range_s {
 	mac_propval_type_t mpr_type;		/* type of value */
 	union {
 		mac_propval_uint32_range_t mpr_uint32[1];
+		mac_propval_str_range_t mpr_str;
 	} u;
 } mac_propval_range_t;
 
@@ -213,6 +222,7 @@ typedef enum {
 	MAC_PROP_MAX_RXHWCLNT_AVAIL,
 	MAC_PROP_MAX_TXHWCLNT_AVAIL,
 	MAC_PROP_IB_LINKMODE,
+	MAC_PROP_VN_PROMISC_FILTERED,
 	MAC_PROP_SECONDARY_ADDRS,
 	MAC_PROP_PRIVATE = -1
 } mac_prop_id_t;
diff --git a/usr/src/uts/common/sys/mac_client_impl.h b/usr/src/uts/common/sys/mac_client_impl.h
index ae25df6a0d..ce1a6f1d7c 100644
--- a/usr/src/uts/common/sys/mac_client_impl.h
+++ b/usr/src/uts/common/sys/mac_client_impl.h
@@ -22,6 +22,9 @@
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
+/*
+ * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
+ */
 
 #ifndef	_SYS_MAC_CLIENT_IMPL_H
 #define	_SYS_MAC_CLIENT_IMPL_H
@@ -137,6 +140,7 @@ struct mac_client_impl_s {			/* Protected by */
 	flow_entry_t		*mci_flent_list;	/* mci_rw_lock */
 	uint_t			mci_nflents;		/* mci_rw_lock */
 	uint_t			mci_nvids;		/* mci_rw_lock */
+	volatile uint32_t	mci_vidcache;		/* VID cache */
 
 	/* Resource Management Functions */
 	mac_resource_add_t	mci_resource_add;	/* SL */
@@ -280,6 +284,28 @@ extern	int	mac_tx_percpu_cnt;
 	}								\
 }
 
+/*
+ * To allow the hot path to not grab any additional locks, we keep a single
+ * entry VLAD ID cache that caches whether or not a given VID belongs to a
+ * MAC client.
+ */
+#define	MCIP_VIDCACHE_VALIDSHIFT	31
+#define	MCIP_VIDCACHE_VIDSHIFT		1
+#define	MCIP_VIDCACHE_VIDMASK		(UINT16_MAX << MCIP_VIDCACHE_VIDSHIFT)
+#define	MCIP_VIDCACHE_BOOLSHIFT		0
+
+#define	MCIP_VIDCACHE_INVALID		0
+
+#define	MCIP_VIDCACHE_CACHE(vid, bool)	\
+	((1U << MCIP_VIDCACHE_VALIDSHIFT) | \
+	((vid) << MCIP_VIDCACHE_VIDSHIFT) | \
+	((bool) ? (1U << MCIP_VIDCACHE_BOOLSHIFT) : 0))
+
+#define	MCIP_VIDCACHE_ISVALID(v)	((v) & (1U << MCIP_VIDCACHE_VALIDSHIFT))
+#define	MCIP_VIDCACHE_VID(v)		\
+	(((v) & MCIP_VIDCACHE_VIDMASK) >> MCIP_VIDCACHE_VIDSHIFT)
+#define	MCIP_VIDCACHE_BOOL(v)		((v) & (1U << MCIP_VIDCACHE_BOOLSHIFT))
+
 #define	MAC_TAG_NEEDED(mcip)						\
 	(((mcip)->mci_state_flags & MCIS_TAG_DISABLE) == 0 &&		\
 	(mcip)->mci_nvids == 1)						\
@@ -302,6 +328,7 @@ extern	int	mac_tx_percpu_cnt;
 
 /* Mac protection flags */
 #define	MPT_FLAG_V6_LOCAL_ADDR_SET	0x0001
+#define	MPT_FLAG_PROMISC_FILTERED	0x0002
 
 /* in mac_client.c */
 extern void mac_promisc_client_dispatch(mac_client_impl_t *, mblk_t *);
diff --git a/usr/src/uts/common/sys/mac_client_priv.h b/usr/src/uts/common/sys/mac_client_priv.h
index bed2e293b3..fa3a1ebfad 100644
--- a/usr/src/uts/common/sys/mac_client_priv.h
+++ b/usr/src/uts/common/sys/mac_client_priv.h
@@ -22,7 +22,7 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
- * Copyright 2013 Joyent, Inc.  All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 /*
@@ -170,6 +170,7 @@ extern void mac_client_set_intr_cpu(void *, mac_client_handle_t, int32_t);
 extern void *mac_get_devinfo(mac_handle_t);
 
 extern boolean_t mac_is_vnic(mac_handle_t);
+extern boolean_t mac_is_overlay(mac_handle_t);
 extern uint32_t mac_no_notification(mac_handle_t);
 
 extern int mac_set_prop(mac_handle_t, mac_prop_id_t, char *, void *, uint_t);
diff --git a/usr/src/uts/common/sys/mac_impl.h b/usr/src/uts/common/sys/mac_impl.h
index 3c9c6b77a4..d72558c612 100644
--- a/usr/src/uts/common/sys/mac_impl.h
+++ b/usr/src/uts/common/sys/mac_impl.h
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #ifndef	_SYS_MAC_IMPL_H
@@ -643,6 +643,7 @@ struct mac_impl_s {
 #define	MIS_LEGACY		0x0040
 #define	MIS_NO_ACTIVE		0x0080
 #define	MIS_POLL_DISABLE	0x0100
+#define	MIS_IS_OVERLAY		0x0200
 
 #define	mi_getstat	mi_callbacks->mc_getstat
 #define	mi_start	mi_callbacks->mc_start
@@ -894,6 +895,8 @@ extern void mac_protect_fini(mac_client_impl_t *);
 extern int mac_set_resources(mac_handle_t, mac_resource_props_t *);
 extern void mac_get_resources(mac_handle_t, mac_resource_props_t *);
 extern void mac_get_effective_resources(mac_handle_t, mac_resource_props_t *);
+extern void mac_set_promisc_filtered(mac_client_handle_t, boolean_t);
+extern boolean_t mac_get_promisc_filtered(mac_client_handle_t);
 
 extern cpupart_t *mac_pset_find(mac_resource_props_t *, boolean_t *);
 extern void mac_set_pool_effective(boolean_t, cpupart_t *,
diff --git a/usr/src/uts/common/sys/mac_provider.h b/usr/src/uts/common/sys/mac_provider.h
index 9f7f2a1a73..5f02451542 100644
--- a/usr/src/uts/common/sys/mac_provider.h
+++ b/usr/src/uts/common/sys/mac_provider.h
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #ifndef	_SYS_MAC_PROVIDER_H
@@ -106,7 +107,8 @@ typedef enum {
 	MAC_CAPAB_NO_NATIVEVLAN	= 0x00080000, /* boolean only, no data */
 	MAC_CAPAB_NO_ZCOPY	= 0x00100000, /* boolean only, no data */
 	MAC_CAPAB_LEGACY	= 0x00200000, /* data is mac_capab_legacy_t */
-	MAC_CAPAB_VRRP		= 0x00400000  /* data is mac_capab_vrrp_t */
+	MAC_CAPAB_VRRP		= 0x00400000, /* data is mac_capab_vrrp_t */
+	MAC_CAPAB_OVERLAY	= 0x00800000  /* boolean only, no data */
 } mac_capab_t;
 
 /*
diff --git a/usr/src/uts/common/sys/mman.h b/usr/src/uts/common/sys/mman.h
index 4976bf09ab..34e491fd3b 100644
--- a/usr/src/uts/common/sys/mman.h
+++ b/usr/src/uts/common/sys/mman.h
@@ -318,6 +318,7 @@ struct memcntl_mha32 {
 #define	MADV_ACCESS_DEFAULT	6	/* default access */
 #define	MADV_ACCESS_LWP		7	/* next LWP to access heavily */
 #define	MADV_ACCESS_MANY	8	/* many processes to access heavily */
+#define	MADV_PURGE		9	/* contents will be purged */
 
 #endif	/* (_POSIX_C_SOURCE <= 2) && !defined(_XPG4_2) ...  */
 
@@ -337,6 +338,7 @@ struct memcntl_mha32 {
 #define	MS_SYNC		0x4		/* wait for msync */
 #define	MS_ASYNC	0x1		/* return immediately */
 #define	MS_INVALIDATE	0x2		/* invalidate caches */
+#define	MS_INVALCURPROC	0x8		/* invalidate cache for curproc only */
 
 #if	(_POSIX_C_SOURCE <= 2) && !defined(_XPG4_2) || defined(__EXTENSIONS__)
 /* functions to mctl */
diff --git a/usr/src/uts/common/sys/mntent.h b/usr/src/uts/common/sys/mntent.h
index e95ef3fccc..d215d88790 100644
--- a/usr/src/uts/common/sys/mntent.h
+++ b/usr/src/uts/common/sys/mntent.h
@@ -21,6 +21,7 @@
 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2012, Joyent, Inc.  All rights reserved.
  *
  *	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
  *		All Rights Reserved
@@ -47,6 +48,7 @@ extern "C" {
 #define	MNTTYPE_PCFS	"pcfs"		/* PC (MSDOS) file system */
 #define	MNTTYPE_PC	MNTTYPE_PCFS	/* Deprecated name; use MNTTYPE_PCFS */
 #define	MNTTYPE_LOFS	"lofs"		/* Loop back file system */
+#define	MNTTYPE_HYPRLOFS "hyprlofs"	/* Hyperlofs file system */
 #define	MNTTYPE_LO	MNTTYPE_LOFS	/* Deprecated name; use MNTTYPE_LOFS */
 #define	MNTTYPE_HSFS	"hsfs"		/* High Sierra (9660) file system */
 #define	MNTTYPE_SWAP	"swap"		/* Swap file system */
diff --git a/usr/src/uts/common/sys/netconfig.h b/usr/src/uts/common/sys/netconfig.h
index 14b1aa55db..883c329aed 100644
--- a/usr/src/uts/common/sys/netconfig.h
+++ b/usr/src/uts/common/sys/netconfig.h
@@ -28,6 +28,7 @@
  *
  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #ifndef	_SYS_NETCONFIG_H
@@ -147,6 +148,8 @@ extern int		endnetpath(void *);
 extern struct netconfig *getnetpath(void *);
 extern void		nc_perror(const char *);
 extern char		*nc_sperror(void);
+extern void		_nsl_brand_set_hooks(int (*)(void),
+			    struct netconfig *(*)(int));
 
 #ifdef	__cplusplus
 }
diff --git a/usr/src/uts/common/sys/neti.h b/usr/src/uts/common/sys/neti.h
index 93b5fc3e01..ea85c78f6b 100644
--- a/usr/src/uts/common/sys/neti.h
+++ b/usr/src/uts/common/sys/neti.h
@@ -44,6 +44,8 @@ extern "C" {
 #define	NHF_INET	"NHF_INET"
 #define	NHF_INET6	"NHF_INET6"
 #define	NHF_ARP		"NHF_ARP"
+#define	NHF_VND_INET	"NHF_VND_INET"
+#define	NHF_VND_INET6	"NHF_VND_INET6"
 
 /*
  * Event identification
diff --git a/usr/src/uts/common/sys/netstack.h b/usr/src/uts/common/sys/netstack.h
index 2c77e1be96..73f29d1e63 100644
--- a/usr/src/uts/common/sys/netstack.h
+++ b/usr/src/uts/common/sys/netstack.h
@@ -81,7 +81,8 @@ typedef id_t	netstackid_t;
 #define	NS_IPSECESP	16
 #define	NS_IPNET	17
 #define	NS_ILB		18
-#define	NS_MAX		(NS_ILB+1)
+#define	NS_VND		19
+#define	NS_MAX		(NS_VND+1)
 
 /*
  * State maintained for each module which tracks the state of
diff --git a/usr/src/uts/common/sys/overlay.h b/usr/src/uts/common/sys/overlay.h
new file mode 100644
index 0000000000..12d0dbca51
--- /dev/null
+++ b/usr/src/uts/common/sys/overlay.h
@@ -0,0 +1,96 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015, Joyent, Inc.
+ */
+
+#ifndef _SYS_OVERLAY_H
+#define	_SYS_OVERLAY_H
+
+/*
+ * Overlay device support
+ */
+
+#include <sys/param.h>
+#include <sys/dld_ioc.h>
+#include <sys/mac.h>
+#include <sys/overlay_common.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define	OVERLAY_IOC_CREATE	OVERLAYIOC(1)
+#define	OVERLAY_IOC_DELETE	OVERLAYIOC(2)
+#define	OVERLAY_IOC_PROPINFO	OVERLAYIOC(3)
+#define	OVERLAY_IOC_GETPROP	OVERLAYIOC(4)
+#define	OVERLAY_IOC_SETPROP	OVERLAYIOC(5)
+#define	OVERLAY_IOC_NPROPS	OVERLAYIOC(6)
+#define	OVERLAY_IOC_ACTIVATE	OVERLAYIOC(7)
+#define	OVERLAY_IOC_STATUS	OVERLAYIOC(8)
+
+typedef struct overlay_ioc_create {
+	datalink_id_t	oic_linkid;
+	uint32_t	oic_filler;
+	uint64_t	oic_vnetid;
+	char		oic_encap[MAXLINKNAMELEN];
+} overlay_ioc_create_t;
+
+typedef struct overlay_ioc_activate {
+	datalink_id_t	oia_linkid;
+} overlay_ioc_activate_t;
+
+typedef struct overlay_ioc_delete {
+	datalink_id_t	oid_linkid;
+} overlay_ioc_delete_t;
+
+typedef struct overlay_ioc_nprops {
+	datalink_id_t	oipn_linkid;
+	int32_t		oipn_nprops;
+} overlay_ioc_nprops_t;
+
+typedef struct overlay_ioc_propinfo {
+	datalink_id_t	oipi_linkid;
+	int32_t		oipi_id;
+	char		oipi_name[OVERLAY_PROP_NAMELEN];
+	uint_t		oipi_type;
+	uint_t		oipi_prot;
+	uint8_t		oipi_default[OVERLAY_PROP_SIZEMAX];
+	uint32_t	oipi_defsize;
+	uint32_t	oipi_posssize;
+	uint8_t		oipi_poss[OVERLAY_PROP_SIZEMAX];
+} overlay_ioc_propinfo_t;
+
+typedef struct overlay_ioc_prop {
+	datalink_id_t	oip_linkid;
+	int32_t		oip_id;
+	char		oip_name[OVERLAY_PROP_NAMELEN];
+	uint8_t		oip_value[OVERLAY_PROP_SIZEMAX];
+	uint32_t	oip_size;
+} overlay_ioc_prop_t;
+
+typedef enum overlay_status {
+	OVERLAY_I_OK		= 0x00,
+	OVERLAY_I_DEGRADED	= 0x01
+} overlay_status_t;
+
+typedef struct overlay_ioc_status {
+	datalink_id_t	ois_linkid;
+	uint_t		ois_status;
+	char		ois_message[OVERLAY_STATUS_BUFLEN];
+} overlay_ioc_status_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_OVERLAY_H */
diff --git a/usr/src/uts/common/sys/overlay_common.h b/usr/src/uts/common/sys/overlay_common.h
new file mode 100644
index 0000000000..d638096006
--- /dev/null
+++ b/usr/src/uts/common/sys/overlay_common.h
@@ -0,0 +1,65 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _SYS_OVERLAY_COMMON_H
+#define	_SYS_OVERLAY_COMMON_H
+
+/*
+ * Common overlay definitions
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum overlay_target_mode {
+	OVERLAY_TARGET_NONE = 0x0,
+	OVERLAY_TARGET_POINT,
+	OVERLAY_TARGET_DYNAMIC
+} overlay_target_mode_t;
+
+typedef enum overlay_plugin_dest {
+	OVERLAY_PLUGIN_D_INVALID	= 0x0,
+	OVERLAY_PLUGIN_D_ETHERNET	= 0x1,
+	OVERLAY_PLUGIN_D_IP		= 0x2,
+	OVERLAY_PLUGIN_D_PORT 		= 0x4,
+	OVERLAY_PLUGIN_D_MASK		= 0x7
+} overlay_plugin_dest_t;
+
+typedef enum overlay_prop_type {
+	OVERLAY_PROP_T_INT = 0x1,	/* signed int */
+	OVERLAY_PROP_T_UINT,		/* unsigned int */
+	OVERLAY_PROP_T_IP,		/* sinaddr6 */
+	OVERLAY_PROP_T_STRING		/* OVERLAY_PROPS_SIZEMAX */
+} overlay_prop_type_t;
+
+typedef enum overlay_prop_prot {
+	OVERLAY_PROP_PERM_REQ	= 0x1,
+	OVERLAY_PROP_PERM_READ	= 0x2,
+	OVERLAY_PROP_PERM_WRITE	= 0x4,
+	OVERLAY_PROP_PERM_RW 	= 0x6,
+	OVERLAY_PROP_PERM_RRW	= 0x7,
+	OVERLAY_PROP_PERM_MASK	= 0x7
+} overlay_prop_prot_t;
+
+#define	OVERLAY_PROP_NAMELEN	64
+#define	OVERLAY_PROP_SIZEMAX	256
+#define	OVERLAY_STATUS_BUFLEN	256
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_OVERLAY_COMMON_H */
diff --git a/usr/src/uts/common/sys/overlay_impl.h b/usr/src/uts/common/sys/overlay_impl.h
new file mode 100644
index 0000000000..f62ecff179
--- /dev/null
+++ b/usr/src/uts/common/sys/overlay_impl.h
@@ -0,0 +1,205 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015, Joyent, Inc.
+ */
+
+#ifndef _SYS_OVERLAY_IMPL_H
+#define	_SYS_OVERLAY_IMPL_H
+
+/*
+ * Overlay device support
+ */
+
+#include <sys/overlay.h>
+#include <sys/overlay_common.h>
+#include <sys/overlay_plugin.h>
+#include <sys/overlay_target.h>
+#include <sys/ksynch.h>
+#include <sys/list.h>
+#include <sys/avl.h>
+#include <sys/ksocket.h>
+#include <sys/socket.h>
+#include <sys/refhash.h>
+#include <sys/ethernet.h>
+#include <sys/list.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define	OVEP_VERSION_ONE	0x1
+
+typedef struct overlay_plugin {
+	kmutex_t ovp_mutex;
+	list_node_t ovp_link;			/* overlay_plugin_lock */
+	uint_t ovp_active;			/* ovp_mutex */
+	const char *ovp_name;			/* RO */
+	const overlay_plugin_ops_t *ovp_ops;	/* RO */
+	const char *const *ovp_props;		/* RO */
+	uint_t ovp_nprops;			/* RO */
+	uint_t ovp_id_size;			/* RO */
+	overlay_plugin_flags_t ovp_flags;	/* RO */
+	overlay_plugin_dest_t ovp_dest;		/* RO */
+} overlay_plugin_t;
+
+typedef struct overlay_mux {
+	list_node_t		omux_lnode;
+	ksocket_t		omux_ksock;	/* RO */
+	overlay_plugin_t	*omux_plugin;	/* RO: associated encap */
+	int			omux_domain;	/* RO: socket domain */
+	int			omux_family;	/* RO: socket family */
+	int			omux_protocol;	/* RO: socket protocol */
+	struct sockaddr 	*omux_addr;	/* RO: socket address */
+	socklen_t		omux_alen;	/* RO: sockaddr len */
+	kmutex_t		omux_lock;	/* Protects everything below */
+	uint_t			omux_count;	/* Active instances */
+	avl_tree_t		omux_devices;	/* Tree of devices */
+} overlay_mux_t;
+
+typedef enum overlay_target_flag {
+	OVERLAY_T_TEARDOWN	= 0x1
+} overlay_target_flag_t;
+
+typedef struct overlay_target {
+	kmutex_t		ott_lock;
+	kcondvar_t		ott_cond;
+	overlay_target_mode_t	ott_mode;	/* RO */
+	overlay_plugin_dest_t	ott_dest;	/* RO */
+	uint64_t		ott_id;		/* RO */
+	overlay_target_flag_t	ott_flags;	/* ott_lock */
+	uint_t			ott_ocount;	/* ott_lock */
+	union {					/* ott_lock */
+		overlay_target_point_t	ott_point;
+		struct overlay_target_dyn {
+			refhash_t	*ott_dhash;
+			avl_tree_t	ott_tree;
+		} ott_dyn;
+	} ott_u;
+} overlay_target_t;
+
+typedef enum overlay_dev_flag {
+	OVERLAY_F_ACTIVATED	= 0x01, /* Activate ioctl completed */
+	OVERLAY_F_IN_MUX	= 0x02,	/* Currently in a mux */
+	OVERLAY_F_IN_TX		= 0x04,	/* Currently doing tx */
+	OVERLAY_F_IN_RX		= 0x08, /* Currently doing rx */
+	OVERLAY_F_IOMASK	= 0x0c,	/* A mask for rx and tx */
+	OVERLAY_F_MDDROP	= 0x10,	/* Drop traffic for metadata update */
+	OVERLAY_F_STOPMASK	= 0x1e,	/* None set when stopping */
+	OVERLAY_F_VARPD		= 0x20,	/* varpd plugin exists */
+	OVERLAY_F_DEGRADED	= 0x40,	/* device is degraded */
+	OVERLAY_F_MASK		= 0x7f	/* mask of everything */
+} overlay_dev_flag_t;
+
+typedef struct overlay_dev {
+	kmutex_t	odd_lock;
+	kcondvar_t	odd_iowait;
+	list_node_t	odd_link;		/* overlay_dev_lock */
+	mac_handle_t	odd_mh;			/* RO */
+	overlay_plugin_t *odd_plugin;		/* RO */
+	datalink_id_t	odd_linkid;		/* RO */
+	void		*odd_pvoid;		/* RO -- only used by plugin */
+	uint_t		odd_ref;		/* protected by odd_lock */
+	uint_t		odd_mtu;		/* protected by odd_lock */
+	overlay_dev_flag_t odd_flags;		/* protected by odd_lock */
+	uint_t		odd_rxcount;		/* protected by odd_lock */
+	uint_t		odd_txcount;		/* protected by odd_lock */
+	overlay_mux_t	*odd_mux;		/* protected by odd_lock */
+	uint64_t	odd_vid;		/* RO if active else odd_lock */
+	avl_node_t	odd_muxnode;		/* managed by mux */
+	overlay_target_t *odd_target;		/* See big theory statement */
+	char		odd_fmamsg[OVERLAY_STATUS_BUFLEN];	/* odd_lock */
+} overlay_dev_t;
+
+typedef enum overlay_target_entry_flags {
+	OVERLAY_ENTRY_F_PENDING		= 0x01,	/* lookup in progress */
+	OVERLAY_ENTRY_F_VALID		= 0x02,	/* entry is currently valid */
+	OVERLAY_ENTRY_F_DROP		= 0x04,	/* always drop target */
+	OVERLAY_ENTRY_F_VALID_MASK	= 0x06
+} overlay_target_entry_flags_t;
+
+typedef struct overlay_target_entry {
+	kmutex_t		ote_lock;
+	refhash_link_t		ote_reflink;	/* hashtable link */
+	avl_node_t		ote_avllink;	/* iteration link */
+	list_node_t		ote_qlink;
+	overlay_target_entry_flags_t ote_flags;	/* RW: state flags */
+	uint8_t			ote_addr[ETHERADDRL];	/* RO: mac addr */
+	overlay_target_t	*ote_ott;	/* RO */
+	overlay_dev_t		*ote_odd;	/* RO */
+	overlay_target_point_t	ote_dest;	/* RW: destination */
+	mblk_t			*ote_chead;	/* RW: blocked mb chain head */
+	mblk_t			*ote_ctail;	/* RW: blocked mb chain tail */
+	size_t			ote_mbsize;	/* RW: outstanding mblk size */
+	hrtime_t		ote_vtime;	/* RW: valid timestamp */
+} overlay_target_entry_t;
+
+
+#define	OVERLAY_CTL	"overlay"
+
+extern dev_info_t *overlay_dip;
+
+extern mblk_t *overlay_m_tx(void *, mblk_t *);
+
+typedef int (*overlay_dev_iter_f)(overlay_dev_t *, void *);
+extern void overlay_dev_iter(overlay_dev_iter_f, void *);
+
+extern void overlay_plugin_init(void);
+extern overlay_plugin_t *overlay_plugin_lookup(const char *);
+extern void overlay_plugin_rele(overlay_plugin_t *);
+extern void overlay_plugin_fini(void);
+typedef int (*overlay_plugin_walk_f)(overlay_plugin_t *, void *);
+extern void overlay_plugin_walk(overlay_plugin_walk_f, void *);
+
+extern void overlay_io_start(overlay_dev_t *, overlay_dev_flag_t);
+extern void overlay_io_done(overlay_dev_t *, overlay_dev_flag_t);
+
+extern void overlay_mux_init(void);
+extern void overlay_mux_fini(void);
+
+extern overlay_mux_t *overlay_mux_open(overlay_plugin_t *, int, int, int,
+    struct sockaddr *, socklen_t, int *);
+extern void overlay_mux_close(overlay_mux_t *);
+extern void overlay_mux_add_dev(overlay_mux_t *, overlay_dev_t *);
+extern void overlay_mux_remove_dev(overlay_mux_t *, overlay_dev_t *);
+extern int overlay_mux_tx(overlay_mux_t *, struct msghdr *, mblk_t *);
+
+extern void overlay_prop_init(overlay_prop_handle_t);
+
+extern void overlay_target_init(void);
+extern int overlay_target_busy(void);
+extern int overlay_target_open(dev_t *, int, int, cred_t *);
+extern int overlay_target_ioctl(dev_t, int, intptr_t, int, cred_t *, int *);
+extern int overlay_target_close(dev_t, int, int, cred_t *);
+extern void overlay_target_free(overlay_dev_t *);
+
+#define	OVERLAY_TARGET_OK	0
+#define	OVERLAY_TARGET_DROP	1
+#define	OVERLAY_TARGET_ASYNC	2
+extern int overlay_target_lookup(overlay_dev_t *, mblk_t *, struct sockaddr *,
+    socklen_t *);
+extern void overlay_target_quiesce(overlay_target_t *);
+extern void overlay_target_fini(void);
+
+extern void overlay_fm_init(void);
+extern void overlay_fm_fini(void);
+extern void overlay_fm_degrade(overlay_dev_t *, const char *);
+extern void overlay_fm_restore(overlay_dev_t *);
+
+extern overlay_dev_t *overlay_hold_by_dlid(datalink_id_t);
+extern void overlay_hold_rele(overlay_dev_t *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_OVERLAY_IMPL_H */
diff --git a/usr/src/uts/common/sys/overlay_plugin.h b/usr/src/uts/common/sys/overlay_plugin.h
new file mode 100644
index 0000000000..07efaa05df
--- /dev/null
+++ b/usr/src/uts/common/sys/overlay_plugin.h
@@ -0,0 +1,324 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.
+ */
+
+#ifndef _SYS_OVERLAY_PLUGIN_H
+#define	_SYS_OVERLAY_PLUGIN_H
+
+/*
+ * overlay plugin interface for encapsulation/decapsulation modules
+ *
+ * This header file defines how encapsulation and decapsulation plugins
+ * interact within the broader system. At this time, these interfaces are
+ * considered private to illumos and therefore are subject to change. As we gain
+ * more experience with a few of the different encapsulation formats, say nvgre
+ * or geneve, then we can move to make this a more-stable interface.
+ *
+ * A plugin is a general kernel module that uses the miscellaneous mod-linkage.
+ *
+ * In it's _init(9E) routine, it must register itself with the overlay
+ * subsystem. To do this, it allocates an overlay_plugin_register_t via
+ * overlay_plugin_alloc(), that it then  * fills out with various required
+ * information and then attempts to register with the system via a call to
+ * overlay_plugin_register(). If that succeeds, it should then call
+ * mod_install(9F). If the mod_install(9F) fails, then it should call
+ * overlay_plugin_unregister(). Regardless of success or failure, it should call
+ * overlay_plugin_free() to ensure that any memory that may be associated with
+ * the registration is freed.
+ *
+ * When the module's _fini(9E) is called, overlay_plugin_unregister() should be
+ * called first. It may return an error, such as EBUSY. In such cases, it should
+ * be returned as the return status of _fini(9E). This is quite necessary, it
+ * ensures that if the module is in use it doesn't get unloaded out from under
+ * us the broader subsystem while it's still in use. A driver can use that to
+ * know that there are no current instances of its private data.
+ *
+ * ------------------
+ * Plugin Definitions
+ * ------------------
+ *
+ * A plugin is required to fill in both an operations vector and a series of
+ * information to the callback routine. Here are the routines and their
+ * purposes. The full signatures are available below.
+ *
+ *   overlay_plugin_init_t
+ *
+ * 	This interface is used to create a new instance of a plugin. An instance
+ * 	of a plugin will be created for each overlay device that is created. For
+ * 	example, if a device is created with VXLAN ID 23 and ID 42, then there
+ * 	will be two different calls to this function.
+ *
+ * 	This function gives the plugin a chance to create a private data
+ * 	structure that will be returned on subsequent calls to the system.
+ *
+ *   overlay_plugin_fini_t
+ *
+ *   	This is the opposite of overlay_plugin_init_t. It will be called when it
+ *   	is safe to remove any private data that is associated with this instance
+ *   	of the plugin.
+ *
+ *   overlay_plugin_propinfo_t
+ *
+ *   	This is called with the name of a property that is registered when the
+ *   	plugin is created. This function will be called with the name of the
+ *   	property that information is being requested about. The plugin is
+ *   	responsible for filling out information such as setting the name, the
+ *   	type of property it is, the protection of the property (can a user
+ *   	update it?), whether the property is required, an optional default value
+ *   	for the property, and an optional set of values or ranges that are
+ *   	allowed.
+ *
+ *   overlay_plugin_getprop_t
+ *
+ *	Return the value of the named property from the current instance of the
+ *	plugin.
+ *
+ *   overlay_plugin_setprop_t
+ *
+ *	Set the value of the named property to the specified value for the
+ *	current instance of the plugin. Note, that it is the plugin's
+ *	responsibility to ensure that the value of the property is valid and to
+ *	update state as appropriate.
+ *
+ *   overlay_plugin_socket_t
+ *
+ *   	Every overlay device has a corresponding socket that it uses to send and
+ *   	receive traffic. This routine is used to get the parameters that should
+ *   	be used to define such a socket. The actual socket may be multiplexed
+ *   	with other uses of it.
+ *
+ *   overlay_plugin_sockopt_t
+ *
+ *   	Allow a plugin to set any necessary socket options that it needs on the
+ *   	kernel socket that is being used by a mux. This will only be called once
+ *   	for a given mux, if additional devices are added to a mux, it will not
+ *   	be called additional times.
+ *
+ *   overlay_plugin_encap_t
+ *
+ *   	In this routine you're given a message block and information about the
+ *   	packet, such as the identifier and are asked to fill out a message block
+ *   	that represents the encapsulation header and optionally manipulate the
+ *   	input message if required.
+ *
+ *   overlay_plugin_decap_t
+ *
+ *   	In this routine, you're given the encapsulated message block. The
+ *   	requirement is to decapsulate it and determine what is the correct
+ *   	overlay identifier for this network and to fill in the header size so
+ *   	the broader system knows how much of this data should be considered
+ *   	consumed.
+ *
+ *   ovpo_callbacks
+ *
+ *   	This should be set to zero, it's reserved for future use.
+ *
+ * Once these properties are defined, the module should define the following
+ * members in the overlay_plugin_register_t.
+ *
+ *   ovep_version
+ *
+ *   	Should be set to the value of the macro OVEP_VERSION.
+ *
+ *   ovep_name
+ *
+ *   	Should be set to a character string that has the name of the module.
+ *   	Generally this should match the name of the kernel module; however, this
+ *   	is the name that users will use to refer to this module when creating
+ *   	devices.
+ *
+ *   overlay_plugin_ops_t
+ *
+ *   	Should be set to the functions as described above.
+ *
+ *   ovep_props
+ *
+ *   	This is an array of character strings that holds the names of the
+ *   	properties of the encapsulation plugin.
+ *
+ *
+ *   ovep_id_size
+ *
+ *   	This is the size in bytes of the valid range for the identifier. The
+ *   	valid identifier range is considered a ovep_id_size byte unsigned
+ *   	integer, [ 0, 1 << (ovep_id_size * 8) ).
+ *
+ *   ovep_flags
+ *
+ *   	A series of flags that indicate optional features that are supported.
+ *   	Valid flags include:
+ *
+ *   		OVEP_F_VLAN_TAG
+ *
+ * 			The encapsulation format allows for the encapsulated
+ * 			packet to maintain a VLAN tag.
+ *
+ *   ovep_dest
+ *
+ *   	Describes the kind of destination that the overlay plugin supports for
+ *   	sending traffic. For example, vxlan uses UDP, therefore it requires both
+ *   	an IP address and a port; however, nvgre uses the gre header and
+ *   	therefore only requires an IP address. The following flags may be
+ *   	combined:
+ *
+ *   		OVERLAY_PLUGIN_D_ETHERNET
+ *
+ *   			Indicates that to send a packet to its destination, we
+ *   			require a link-layer ethernet address.
+ *
+ * 		OVERLAY_PLUGIN_D_IP
+ *
+ * 			Indicates that to send a packet to its destination, we
+ * 			require an IP address. Note, all IP addresses are
+ * 			transmitted as IPv6 addresses and for an IPv4
+ * 			destination, using an IPv4-mapped IPv6 address is the
+ * 			expected way to transmit that.
+ *
+ * 		OVERLAY_PLUGIN_D_PORT
+ *
+ * 			Indicates that to send a packet to its destination, a
+ * 			port is required, this usually indicates that the
+ * 			protocol uses something like TCP or UDP.
+ *
+ *
+ * -------------------------------------------------
+ * Downcalls, Upcalls, and Synchronization Guarantees
+ * -------------------------------------------------
+ *
+ * Every instance of a given module is independent. The kernel only guarantees
+ * that it will probably perform downcalls into different instances in parallel
+ * at some point. No locking is provided by the framework for synchronization
+ * across instances. If a module finds itself needing that, it will be up to it
+ * to provide it.
+ *
+ * In a given instance, the kernel may call into entry points in parallel. If
+ * the instance has private data, it should likely synchronize it. The one
+ * guarantee that we do make, is that calls to getprop and setprop will be done
+ * synchronized by a caller holding the MAC perimeter.
+ *
+ * While servicing a downcall from the general overlay device framework, a
+ * kernel module should not make any upcalls, excepting those functions that are
+ * defined in this header file, eg. the property related callbacks. Improtantly,
+ * it cannot make any assumptions about what locks may or may not be held by the
+ * broader system. The only thing that it is safe for it to use are its own
+ * locks.
+ *
+ * ----------------
+ * Downcall Context
+ * ----------------
+ *
+ * For all of the downcalls, excepting the overlay_plugin_encap_t and
+ * overlay_plugin_decap_t, the calls will be made either in kernel or user
+ * context, the module should not assume either way.
+ *
+ * overlay_plugin_encap_t and overlay_plugin_decap_t may be called in user,
+ * kernel or interrupt context; however, it is guaranteed that the interrupt
+ * will be below LOCK_LEVEL, and therefore it is safe to grab locks.
+ */
+
+#include <sys/stream.h>
+#include <sys/mac_provider.h>
+#include <sys/ksocket.h>
+#include <sys/overlay_common.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define	OVEP_VERSION	0x1
+
+typedef enum overlay_plugin_flags {
+	OVEP_F_VLAN_TAG	= 0x01	/* Supports VLAN Tags */
+} overlay_plugin_flags_t;
+
+/*
+ * The ID space could easily be more than a 64-bit number, even
+ * though today it's either a 24-64 bit value. How should we future
+ * proof ourselves here?
+ */
+typedef struct ovep_encap_info {
+	uint64_t	ovdi_id;
+	size_t		ovdi_hdr_size;
+} ovep_encap_info_t;
+
+typedef struct __overlay_prop_handle *overlay_prop_handle_t;
+typedef struct __overlay_handle *overlay_handle_t;
+
+/*
+ * Plugins are guaranteed that calls to setprop are serialized. However, any
+ * number of other calls can be going on in parallel otherwise.
+ */
+typedef int (*overlay_plugin_encap_t)(void *, mblk_t *,
+    ovep_encap_info_t *, mblk_t **);
+typedef int (*overlay_plugin_decap_t)(void *, mblk_t *,
+    ovep_encap_info_t *);
+typedef int (*overlay_plugin_init_t)(overlay_handle_t, void **);
+typedef void (*overlay_plugin_fini_t)(void *);
+typedef int (*overlay_plugin_socket_t)(void *, int *, int *, int *,
+    struct sockaddr *, socklen_t *);
+typedef int (*overlay_plugin_sockopt_t)(ksocket_t);
+typedef int (*overlay_plugin_getprop_t)(void *, const char *, void *,
+    uint32_t *);
+typedef int (*overlay_plugin_setprop_t)(void *, const char *, const void *,
+    uint32_t);
+typedef int (*overlay_plugin_propinfo_t)(const char *, overlay_prop_handle_t);
+
+typedef struct overlay_plugin_ops {
+	uint_t			ovpo_callbacks;
+	overlay_plugin_init_t	ovpo_init;
+	overlay_plugin_fini_t	ovpo_fini;
+	overlay_plugin_encap_t	ovpo_encap;
+	overlay_plugin_decap_t	ovpo_decap;
+	overlay_plugin_socket_t ovpo_socket;
+	overlay_plugin_sockopt_t ovpo_sockopt;
+	overlay_plugin_getprop_t ovpo_getprop;
+	overlay_plugin_setprop_t ovpo_setprop;
+	overlay_plugin_propinfo_t ovpo_propinfo;
+} overlay_plugin_ops_t;
+
+typedef struct overlay_plugin_register {
+	uint_t			ovep_version;
+	const char		*ovep_name;
+	const overlay_plugin_ops_t	*ovep_ops;
+	const char 		**ovep_props;
+	uint_t			ovep_id_size;
+	uint_t			ovep_flags;
+	uint_t			ovep_dest;
+} overlay_plugin_register_t;
+
+/*
+ * Functions that interact with registration
+ */
+extern overlay_plugin_register_t *overlay_plugin_alloc(uint_t);
+extern void overlay_plugin_free(overlay_plugin_register_t *);
+extern int overlay_plugin_register(overlay_plugin_register_t *);
+extern int overlay_plugin_unregister(const char *);
+
+/*
+ * Property information callbacks
+ */
+extern void overlay_prop_set_name(overlay_prop_handle_t, const char *);
+extern void overlay_prop_set_prot(overlay_prop_handle_t, overlay_prop_prot_t);
+extern void overlay_prop_set_type(overlay_prop_handle_t, overlay_prop_type_t);
+extern int overlay_prop_set_default(overlay_prop_handle_t, void *, ssize_t);
+extern void overlay_prop_set_nodefault(overlay_prop_handle_t);
+extern void overlay_prop_set_range_uint32(overlay_prop_handle_t, uint32_t,
+    uint32_t);
+extern void overlay_prop_set_range_str(overlay_prop_handle_t, const char *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_OVERLAY_PLUGIN_H */
diff --git a/usr/src/uts/common/sys/overlay_target.h b/usr/src/uts/common/sys/overlay_target.h
new file mode 100644
index 0000000000..cae193c334
--- /dev/null
+++ b/usr/src/uts/common/sys/overlay_target.h
@@ -0,0 +1,292 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.
+ */
+
+#ifndef _OVERLAY_TARGET_H
+#define	_OVERLAY_TARGET_H
+
+/*
+ * Overlay device varpd ioctl interface (/dev/overlay)
+ */
+
+#include <sys/types.h>
+#include <sys/ethernet.h>
+#include <netinet/in.h>
+#include <sys/overlay_common.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct overlay_target_point {
+	uint8_t		otp_mac[ETHERADDRL];
+	struct in6_addr	otp_ip;
+	uint16_t	otp_port;
+} overlay_target_point_t;
+
+#define	OVERLAY_TARG_IOCTL	(('o' << 24) | ('v' << 16) | ('t' << 8))
+
+#define	OVERLAY_TARG_INFO	(OVERLAY_TARG_IOCTL | 0x01)
+
+typedef enum overlay_targ_info_flags {
+	OVERLAY_TARG_INFO_F_ACTIVE = 0x01,
+	OVERLAY_TARG_INFO_F_DEGRADED = 0x02
+} overlay_targ_info_flags_t;
+
+/*
+ * Get target information about an overlay device
+ */
+typedef struct overlay_targ_info {
+	datalink_id_t		oti_linkid;
+	uint32_t		oti_needs;
+	uint64_t		oti_flags;
+	uint64_t		oti_vnetid;
+} overlay_targ_info_t;
+
+/*
+ * Declare an association between a given varpd instance and a datalink.
+ */
+#define	OVERLAY_TARG_ASSOCIATE	(OVERLAY_TARG_IOCTL | 0x02)
+
+typedef struct overlay_targ_associate {
+	datalink_id_t		ota_linkid;
+	uint32_t		ota_mode;
+	uint64_t		ota_id;
+	uint32_t		ota_provides;
+	overlay_target_point_t	ota_point;
+} overlay_targ_associate_t;
+
+/*
+ * Remove an association from a device. If the device has already been started,
+ * this implies OVERLAY_TARG_DEGRADE.
+ */
+#define	OVERLAY_TARG_DISASSOCIATE	(OVERLAY_TARG_IOCTL | 0x3)
+
+/*
+ * Tells the kernel that while a varpd instance still exists, it basically isn't
+ * making any forward progress, so the device should consider itself degraded.
+ */
+#define	OVERLAY_TARG_DEGRADE	(OVERLAY_TARG_IOCTL | 0x4)
+
+typedef struct overlay_targ_degrade {
+	datalink_id_t	otd_linkid;
+	uint32_t	otd_pad;
+	char		otd_buf[OVERLAY_STATUS_BUFLEN];
+} overlay_targ_degrade_t;
+
+/*
+ * Tells the kernel to remove the degraded status that it set on a device.
+ */
+#define	OVERLAY_TARG_RESTORE	(OVERLAY_TARG_IOCTL | 0x5)
+
+typedef struct overlay_targ_id {
+	datalink_id_t	otid_linkid;
+} overlay_targ_id_t;
+
+/*
+ * The following ioctls are all used to support dynamic lookups from userland,
+ * generally serviced by varpd.
+ *
+ * The way this is designed to work is that user land will have threads sitting
+ * in OVERLAY_TARG_LOOKUP ioctls waiting to service requests. A thread will sit
+ * waiting for work for up to approximately one second of time before they will
+ * be sent back out to user land to give user land a chance to clean itself up
+ * or more generally, come back into the kernel for work. Once these threads
+ * return, they will have a request with which more action can be done. The
+ * following ioctls can all be used to answer the request.
+ *
+ *	OVERLAY_TARG_RESPOND - overlay_targ_resp_t
+ *
+ *		The overlay_targ_resp_t has the appropriate information from
+ *		which a reply can be generated. The information is filled into
+ *		an overlay_targ_point_t as appropriate based on the
+ *		overlay_plugin_dest_t type.
+ *
+ *
+ *	OVERLAY_TARG_DROP - overlay_targ_resp_t
+ *
+ *		The overlay_targ_resp_t should identify a request for which to
+ *		drop a packet.
+ *
+ *
+ * 	OVERLAY_TARG_INJECT - overlay_targ_pkt_t
+ *
+ * 		The overlay_targ_pkt_t injects a fully formed packet into the
+ * 		virtual network. It may either be identified by its data link id
+ * 		or by the request id. If both are specified, the
+ * 		datalink id will be used. Note, that an injection is not
+ * 		considered a reply and if this corresponds to a requeset, then
+ * 		that individual packet must still be dropped.
+ *
+ *
+ * 	OVERLAY_TARG_PKT - overlay_targ_pkt_t
+ *
+ * 		This ioctl can be used to copy data from a given request into a
+ * 		user buffer. This can be used in combination with
+ * 		OVERLAY_TARG_INJECT to implemnt services such as a proxy-arp.
+ *
+ *
+ * 	OVERLAY_TARG_RESEND - overlay_targ_pkt_t
+ *
+ * 		This ioctl is similar to the OVERLAY_TARG_INJECT, except instead
+ * 		of receiving it on the local mac handle, it queues it for
+ * 		retransmission again. This is useful if you have a packet that
+ * 		was originally destined for some broadcast or multicast address
+ * 		that you now want to send to a unicast address.
+ */
+#define	OVERLAY_TARG_LOOKUP	(OVERLAY_TARG_IOCTL | 0x10)
+#define	OVERLAY_TARG_RESPOND	(OVERLAY_TARG_IOCTL | 0x11)
+#define	OVERLAY_TARG_DROP	(OVERLAY_TARG_IOCTL | 0x12)
+#define	OVERLAY_TARG_INJECT	(OVERLAY_TARG_IOCTL | 0x13)
+#define	OVERLAY_TARG_PKT	(OVERLAY_TARG_IOCTL | 0x14)
+#define	OVERLAY_TARG_RESEND	(OVERLAY_TARG_IOCTL | 0x15)
+
+typedef struct overlay_targ_lookup {
+	uint64_t	otl_dlid;
+	uint64_t	otl_reqid;
+	uint64_t	otl_varpdid;
+	uint64_t	otl_vnetid;
+	uint64_t	otl_hdrsize;
+	uint64_t	otl_pktsize;
+	uint8_t		otl_srcaddr[ETHERADDRL];
+	uint8_t		otl_dstaddr[ETHERADDRL];
+	uint32_t	otl_dsttype;
+	uint32_t	otl_sap;
+	int32_t		otl_vlan;
+} overlay_targ_lookup_t;
+
+typedef struct overlay_targ_resp {
+	uint64_t	otr_reqid;
+	overlay_target_point_t otr_answer;
+} overlay_targ_resp_t;
+
+typedef struct overlay_targ_pkt {
+	uint64_t	otp_linkid;
+	uint64_t	otp_reqid;
+	uint64_t	otp_size;
+	void		*otp_buf;
+} overlay_targ_pkt_t;
+
+#ifdef _KERNEL
+
+typedef struct overlay_targ_pkt32 {
+	uint64_t	otp_linkid;
+	uint64_t	otp_reqid;
+	uint64_t	otp_size;
+	caddr32_t	otp_buf;
+} overlay_targ_pkt32_t;
+
+#endif /* _KERNEL */
+
+/*
+ * This provides a way to get a list of active overlay devices independently
+ * from dlmgmtd. At the end of the day the kernel always knows what will exist
+ * and this allows varpd which is an implementation of libdladm not to end up
+ * needing to call back into dlmgmtd via libdladm and create an unfortunate
+ * dependency cycle.
+ */
+
+#define	OVERLAY_TARG_LIST	(OVERLAY_TARG_IOCTL | 0x20)
+
+typedef struct overlay_targ_list {
+	uint32_t	otl_nents;
+	uint32_t	otl_ents[];
+} overlay_targ_list_t;
+
+/*
+ * The following family of ioctls all manipulate the target cache of a given
+ * device.
+ *
+ * 	OVERLAY_TARG_CACHE_GET - overlay_targ_cache_t
+ *
+ * 		The overlay_targ_cache_t should be have its link identifier and
+ * 		the desired mac address filled in. On return, it will fill in
+ * 		the otc_dest member, if the entry exists in the table.
+ *
+ *
+ * 	OVERLAY_TARG_CACHE_SET - overlay_targ_cache_t
+ *
+ * 		The cache table entry of the mac address referred to by otc_mac
+ * 		and otd_linkid will be filled in with the details provided by in
+ * 		the otc_dest member.
+ *
+ * 	OVERLAY_TARG_CACHE_REMOVE - overlay_targ_cache_t
+ *
+ * 		Removes the cache entry identified by otc_mac from the table.
+ * 		Note that this does not stop any in-flight lookups or deal with
+ * 		any data that is awaiting a lookup.
+ *
+ *
+ * 	OVERLAY_TARG_CACHE_FLUSH - overlay_targ_cache_t
+ *
+ * 		Similar to OVERLAY_TARG_CACHE_REMOVE, but functions on the
+ * 		entire table identified by otc_linkid. All other parameters are
+ * 		ignored.
+ *
+ *
+ * 	OVERLAY_TARG_CACHE_ITER - overlay_targ_cache_iter_t
+ *
+ * 		Iterates over the contents of a target cache identified by
+ * 		otci_linkid. Iteration is guaranteed to be exactly once for
+ * 		items which are in the hashtable at the beginning and end of
+ * 		iteration. For items which are added or removed after iteration
+ * 		has begun, only at most once semantics are guaranteed. Consumers
+ * 		should ensure that otci_marker is zeroed before starting
+ * 		iteration and should preserve its contents across calls.
+ *
+ * 		Before calling in, otci_count should be set to the number of
+ * 		entries that space has been allocated for in otci_ents. The
+ * 		value will be updated to indicate the total number written out.
+ */
+
+#define	OVERLAY_TARG_CACHE_GET		(OVERLAY_TARG_IOCTL | 0x30)
+#define	OVERLAY_TARG_CACHE_SET		(OVERLAY_TARG_IOCTL | 0x31)
+#define	OVERLAY_TARG_CACHE_REMOVE	(OVERLAY_TARG_IOCTL | 0x32)
+#define	OVERLAY_TARG_CACHE_FLUSH	(OVERLAY_TARG_IOCTL | 0x33)
+#define	OVERLAY_TARG_CACHE_ITER		(OVERLAY_TARG_IOCTL | 0x34)
+
+/*
+ * This is a pretty arbitrary number that we're constraining ourselves to
+ * for iteration. Basically the goal is to make sure that we can't have a user
+ * ask us to allocate too much memory on their behalf at any time. A more
+ * dynamic form may be necessary some day.
+ */
+#define	OVERLAY_TARGET_ITER_MAX	500
+
+#define	OVERLAY_TARGET_CACHE_DROP	0x01
+
+typedef struct overlay_targ_cache_entry {
+	uint8_t			otce_mac[ETHERADDRL];
+	uint16_t		otce_flags;
+	overlay_target_point_t	otce_dest;
+} overlay_targ_cache_entry_t;
+
+typedef struct overlay_targ_cache {
+	datalink_id_t			otc_linkid;
+	overlay_targ_cache_entry_t	otc_entry;
+} overlay_targ_cache_t;
+
+typedef struct overlay_targ_cache_iter {
+	datalink_id_t			otci_linkid;
+	uint32_t			otci_pad;
+	uint64_t			otci_marker;
+	uint16_t			otci_count;
+	overlay_targ_cache_entry_t	otci_ents[];
+} overlay_targ_cache_iter_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _OVERLAY_TARGET_H */
diff --git a/usr/src/uts/common/sys/param.h b/usr/src/uts/common/sys/param.h
index 01c25610dd..12bdc29079 100644
--- a/usr/src/uts/common/sys/param.h
+++ b/usr/src/uts/common/sys/param.h
@@ -103,7 +103,7 @@ extern "C" {
 #define	DEFAULT_MAXPID	999999
 #define	DEFAULT_JUMPPID	100000
 #else
-#define	DEFAULT_MAXPID	30000
+#define	DEFAULT_MAXPID	99999
 #define	DEFAULT_JUMPPID	0
 #endif
 
diff --git a/usr/src/uts/common/sys/policy.h b/usr/src/uts/common/sys/policy.h
index 276c4d386e..5328d02c59 100644
--- a/usr/src/uts/common/sys/policy.h
+++ b/usr/src/uts/common/sys/policy.h
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright 2013, Joyent, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc. All rights reserved.
  */
 
 #ifndef	_SYS_POLICY_H
@@ -107,6 +107,8 @@ int secpolicy_ipc_config(const cred_t *);
 int secpolicy_ipc_owner(const cred_t *, const struct kipc_perm *);
 int secpolicy_kmdb(const cred_t *);
 int secpolicy_lock_memory(const cred_t *);
+int secpolicy_meminfo(const cred_t *);
+int secpolicy_fs_import(const cred_t *);
 int secpolicy_modctl(const cred_t *, int);
 int secpolicy_net(const cred_t *, int, boolean_t);
 int secpolicy_net_bindmlp(const cred_t *);
@@ -173,6 +175,7 @@ int secpolicy_setid_setsticky_clear(vnode_t *, vattr_t *,
     const vattr_t *, cred_t *);
 int secpolicy_xvattr(xvattr_t *, uid_t, cred_t *, vtype_t);
 int secpolicy_xvm_control(const cred_t *);
+int secpolicy_hyprlofs_control(const cred_t *);
 
 int secpolicy_basic_exec(const cred_t *, vnode_t *);
 int secpolicy_basic_fork(const cred_t *);
diff --git a/usr/src/uts/common/sys/poll.h b/usr/src/uts/common/sys/poll.h
index 9fff78a966..efc8457a6a 100644
--- a/usr/src/uts/common/sys/poll.h
+++ b/usr/src/uts/common/sys/poll.h
@@ -30,6 +30,10 @@
  * All rights reserved.
  */
 
+/*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
+
 #ifndef _SYS_POLL_H
 #define	_SYS_POLL_H
 
@@ -59,6 +63,7 @@ typedef unsigned long	nfds_t;
 #define	POLLWRNORM	POLLOUT
 #define	POLLRDBAND	0x0080		/* out-of-band data is readable */
 #define	POLLWRBAND	0x0100		/* out-of-band data is writeable */
+#define	POLLRDHUP	0x4000		/* read-side hangup */
 
 #define	POLLNORM	POLLRDNORM
 
@@ -70,7 +75,13 @@ typedef unsigned long	nfds_t;
 #define	POLLHUP		0x0010		/* fd has been hung up on */
 #define	POLLNVAL	0x0020		/* invalid pollfd entry */
 
-#define	POLLREMOVE	0x0800	/* remove a cached poll fd from /dev/poll */
+/*
+ * These events will never be specified in revents, but may be specified in
+ * events to control /dev/poll behavior.
+ */
+#define	POLLREMOVE	0x0800		/* remove cached /dev/poll fd */
+#define	POLLONESHOT	0x1000		/* /dev/poll should one-shot this fd */
+#define	POLLET		0x2000		/* edge-triggered /dev/poll fd */
 
 #ifdef _KERNEL
 
diff --git a/usr/src/uts/common/sys/poll_impl.h b/usr/src/uts/common/sys/poll_impl.h
index ede99d0df2..2e866ec4d4 100644
--- a/usr/src/uts/common/sys/poll_impl.h
+++ b/usr/src/uts/common/sys/poll_impl.h
@@ -24,11 +24,13 @@
  * Use is subject to license terms.
  */
 
+/*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
+
 #ifndef _SYS_POLL_IMPL_H
 #define	_SYS_POLL_IMPL_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 /*
  * Caching Poll Subsystem:
  *
@@ -160,6 +162,7 @@ typedef struct polldat {
 	int		pd_nsets;	/* num of xref sets, used by poll(2) */
 	xref_t		*pd_ref;	/* ptr to xref info, 1 for each set */
 	struct port_kevent *pd_portev;	/* associated port event struct */
+	uint64_t	pd_epolldata;	/* epoll data, if any */
 } polldat_t;
 
 /*
@@ -187,7 +190,8 @@ typedef struct pollcache {
 } pollcache_t;
 
 /* pc_flag */
-#define	T_POLLWAKE	0x02	/* pollwakeup() occurred */
+#define	PC_POLLWAKE	0x02	/* pollwakeup() occurred */
+#define	PC_WRITEWANTED	0x04	/* writer wishes to modify the pollcache_t */
 
 #if defined(_KERNEL)
 /*
diff --git a/usr/src/uts/common/sys/proc.h b/usr/src/uts/common/sys/proc.h
index f1a2fc5485..e811bebf25 100644
--- a/usr/src/uts/common/sys/proc.h
+++ b/usr/src/uts/common/sys/proc.h
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -346,7 +347,9 @@ typedef struct	proc {
 	struct zone	*p_zone;	/* zone in which process lives */
 	struct vnode	*p_execdir;	/* directory that p_exec came from */
 	struct brand	*p_brand;	/* process's brand  */
-	void		*p_brand_data;	/* per-process brand state */
+
+	/* per-process brand state */
+	void		*p_brand_data;
 
 	/* additional lock to protect p_sessp (but not its contents) */
 	kmutex_t p_splock;
@@ -361,7 +364,6 @@ typedef struct	proc {
 	 */
 	struct user p_user;		/* (see sys/user.h) */
 } proc_t;
-
 #define	PROC_T				/* headers relying on proc_t are OK */
 
 #ifdef _KERNEL
@@ -627,6 +629,7 @@ extern int signal_is_blocked(kthread_t *, int);
 extern int sigcheck(proc_t *, kthread_t *);
 extern void sigdefault(proc_t *);
 
+extern struct pid *pid_find(pid_t pid);
 extern void pid_setmin(void);
 extern pid_t pid_allocate(proc_t *, pid_t, int);
 extern int pid_rele(struct pid *);
@@ -716,6 +719,10 @@ extern	kthread_t *thread_unpin(void);
 extern	void	thread_init(void);
 extern	void	thread_load(kthread_t *, void (*)(), caddr_t, size_t);
 
+extern	void	thread_splitstack(void (*)(void *), void *, size_t);
+extern	void	thread_splitstack_run(caddr_t, void (*)(void *), void *);
+extern	void	thread_splitstack_cleanup(void);
+
 extern	void	tsd_create(uint_t *, void (*)(void *));
 extern	void	tsd_destroy(uint_t *);
 extern	void	*tsd_getcreate(uint_t *, void (*)(void *), void *(*)(void));
diff --git a/usr/src/uts/common/sys/procfs.h b/usr/src/uts/common/sys/procfs.h
index f592fd9dcf..501af712ef 100644
--- a/usr/src/uts/common/sys/procfs.h
+++ b/usr/src/uts/common/sys/procfs.h
@@ -25,6 +25,7 @@
  */
 /*
  * Copyright 2012 DEY Storage Systems, Inc.  All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #ifndef _SYS_PROCFS_H
@@ -233,6 +234,7 @@ typedef struct pstatus {
 #define	PR_FAULTED	6
 #define	PR_SUSPENDED	7
 #define	PR_CHECKPOINT	8
+#define	PR_BRAND	9
 
 /*
  * lwp ps(1) information file.  /proc/<pid>/lwp/<lwpid>/lwpsinfo
diff --git a/usr/src/uts/common/sys/ptms.h b/usr/src/uts/common/sys/ptms.h
index 6c79ee266d..ba8b2b1210 100644
--- a/usr/src/uts/common/sys/ptms.h
+++ b/usr/src/uts/common/sys/ptms.h
@@ -126,6 +126,12 @@ extern void ptms_logp(char *, uintptr_t);
 #define	DDBGP(a, b)
 #endif
 
+typedef struct __ptmptsopencb_arg *ptmptsopencb_arg_t;
+typedef struct ptmptsopencb {
+	boolean_t		(*ppocb_func)(ptmptsopencb_arg_t);
+	ptmptsopencb_arg_t	ppocb_arg;
+} ptmptsopencb_t;
+
 #endif /* _KERNEL */
 
 typedef struct pt_own {
@@ -157,6 +163,19 @@ typedef struct pt_own {
 #define	ZONEPT		(('P'<<8)|4)	/* set zone of master/slave pair */
 #define	OWNERPT		(('P'<<8)|5)	/* set owner/group for slave device */
 
+#ifdef _KERNEL
+/*
+ * kernel ioctl commands
+ *
+ * PTMPTSOPENCB: Returns a callback function pointer and opaque argument.
+ *	      The return value of the callback function when it's invoked
+ *	      with the opaque argument passed to it will indicate if the
+ *	      pts slave device is currently open.
+ */
+#define	PTMPTSOPENCB	(('P'<<8)|6)	/* check if the slave is open */
+
+#endif /* _KERNEL */
+
 #ifdef	__cplusplus
 }
 #endif
diff --git a/usr/src/uts/common/sys/scsi/adapters/mpt_sas/mptsas_hash.h b/usr/src/uts/common/sys/refhash.h
index 2069e6d3f1..b7427a454d 100644
--- a/usr/src/uts/common/sys/scsi/adapters/mpt_sas/mptsas_hash.h
+++ b/usr/src/uts/common/sys/refhash.h
@@ -10,11 +10,11 @@
  */
 
 /*
- * Copyright 2014 Joyent, Inc.  All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
-#ifndef	_SYS_SCSI_ADAPTERS_MPTHASH_H
-#define	_SYS_SCSI_ADAPTERS_MPTHASH_H
+#ifndef	_SYS_REFHASH_H
+#define	_SYS_REFHASH_H
 
 #include <sys/types.h>
 #include <sys/list.h>
@@ -58,4 +58,4 @@ extern void *refhash_first(refhash_t *);
 extern void *refhash_next(refhash_t *, void *);
 extern boolean_t refhash_obj_valid(refhash_t *hp, const void *);
 
-#endif	/* _SYS_SCSI_ADAPTERS_MPTHASH_H */
+#endif	/* _SYS_REFHASH_H */
diff --git a/usr/src/uts/common/sys/resource.h b/usr/src/uts/common/sys/resource.h
index d69b23aade..666fbcd8a4 100644
--- a/usr/src/uts/common/sys/resource.h
+++ b/usr/src/uts/common/sys/resource.h
@@ -23,6 +23,7 @@
  *
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -191,6 +192,7 @@ struct	rusage {
 #define	_RUSAGESYS_GETRUSAGE_CHLD	1	/* rusage child process */
 #define	_RUSAGESYS_GETRUSAGE_LWP	2	/* rusage lwp */
 #define	_RUSAGESYS_GETVMUSAGE		3	/* getvmusage */
+#define	_RUSAGESYS_INVALMAP		4	/* vm_map_inval */
 
 #if defined(_SYSCALL32)
 
diff --git a/usr/src/uts/common/sys/scsi/adapters/mpt_sas/mptsas_var.h b/usr/src/uts/common/sys/scsi/adapters/mpt_sas/mptsas_var.h
index 836548aa30..2689fe27c4 100644
--- a/usr/src/uts/common/sys/scsi/adapters/mpt_sas/mptsas_var.h
+++ b/usr/src/uts/common/sys/scsi/adapters/mpt_sas/mptsas_var.h
@@ -22,7 +22,7 @@
 /*
  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2014 Nexenta Systems, Inc. All rights reserved.
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  * Copyright (c) 2014, Tegile Systems Inc. All rights reserved.
  */
 
@@ -58,10 +58,10 @@
 
 #include <sys/byteorder.h>
 #include <sys/queue.h>
+#include <sys/refhash.h>
 #include <sys/isa_defs.h>
 #include <sys/sunmdi.h>
 #include <sys/mdi_impldefs.h>
-#include <sys/scsi/adapters/mpt_sas/mptsas_hash.h>
 #include <sys/scsi/adapters/mpt_sas/mptsas_ioctl.h>
 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_tool.h>
 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_cnfg.h>
diff --git a/usr/src/uts/common/sys/socket.h b/usr/src/uts/common/sys/socket.h
index 590551f6f2..f5864db7d3 100644
--- a/usr/src/uts/common/sys/socket.h
+++ b/usr/src/uts/common/sys/socket.h
@@ -22,6 +22,7 @@
  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  *
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc. All rights reserved.
  */
 
 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
@@ -39,6 +40,9 @@
 
 /* Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved. */
 
+/*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
 #ifndef	_SYS_SOCKET_H
 #define	_SYS_SOCKET_H
 
@@ -293,8 +297,9 @@ struct	linger {
 #define	AF_INET_OFFLOAD	30		/* Sun private; do not use */
 #define	AF_TRILL	31		/* TRILL interface */
 #define	AF_PACKET	32		/* PF_PACKET Linux socket interface */
+#define	AF_LX_NETLINK	33		/* Linux-compatible netlink */
 
-#define	AF_MAX		32
+#define	AF_MAX		33
 
 /*
  * Protocol families, same as address families for now.
@@ -334,6 +339,7 @@ struct	linger {
 #define	PF_INET_OFFLOAD	AF_INET_OFFLOAD	/* Sun private; do not use */
 #define	PF_TRILL	AF_TRILL
 #define	PF_PACKET	AF_PACKET
+#define	PF_LX_NETLINK	AF_LX_NETLINK
 
 #define	PF_MAX		AF_MAX
 
@@ -420,6 +426,7 @@ struct msghdr32 {
 #define	MSG_NOTIFICATION 0x100		/* Notification, not data */
 #define	MSG_XPG4_2	0x8000		/* Private: XPG4.2 flag */
 
+/* Obsolete but kept for compilation compatability. Use IOV_MAX. */
 #define	MSG_MAXIOVLEN	16
 
 #ifdef _KERNEL
diff --git a/usr/src/uts/common/sys/socketvar.h b/usr/src/uts/common/sys/socketvar.h
index 8221c620a8..b3f51cc0e1 100644
--- a/usr/src/uts/common/sys/socketvar.h
+++ b/usr/src/uts/common/sys/socketvar.h
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
@@ -99,6 +100,7 @@ struct sockaddr_ux {
 
 typedef struct sonodeops sonodeops_t;
 typedef struct sonode sonode_t;
+typedef boolean_t (*so_krecv_f)(sonode_t *, mblk_t *, size_t, int, void *);
 
 struct sodirect_s;
 
@@ -241,6 +243,10 @@ struct sonode {
 	struct sof_instance	*so_filter_top;		/* top of stack */
 	struct sof_instance	*so_filter_bottom;	/* bottom of stack */
 	clock_t			so_filter_defertime;	/* time when deferred */
+
+	/* Kernel direct receive callbacks */
+	so_krecv_f		so_krecv_cb;		/* recv callback */
+	void			*so_krecv_arg;		/* recv cb arg */
 };
 
 #define	SO_HAVE_DATA(so)						\
@@ -294,15 +300,16 @@ struct sonode {
 #define	SS_OOBPEND		0x00002000 /* OOB pending or present - poll */
 #define	SS_HAVEOOBDATA		0x00004000 /* OOB data present */
 #define	SS_HADOOBDATA		0x00008000 /* OOB data consumed */
-#define	SS_CLOSING		0x00010000 /* in process of closing */
 
+#define	SS_CLOSING		0x00010000 /* in process of closing */
 #define	SS_FIL_DEFER		0x00020000 /* filter deferred notification */
 #define	SS_FILOP_OK		0x00040000 /* socket can attach filters */
 #define	SS_FIL_RCV_FLOWCTRL	0x00080000 /* filter asserted rcv flow ctrl */
+
 #define	SS_FIL_SND_FLOWCTRL	0x00100000 /* filter asserted snd flow ctrl */
 #define	SS_FIL_STOP		0x00200000 /* no more filter actions */
-
 #define	SS_SODIRECT		0x00400000 /* transport supports sodirect */
+#define	SS_FILOP_UNSF		0x00800000 /* block attaching unsafe filters */
 
 #define	SS_SENTLASTREADSIG	0x01000000 /* last rx signal has been sent */
 #define	SS_SENTLASTWRITESIG	0x02000000 /* last tx signal has been sent */
@@ -318,7 +325,8 @@ struct sonode {
 
 /*
  * Sockets that can fall back to TPI must ensure that fall back is not
- * initiated while a thread is using a socket.
+ * initiated while a thread is using a socket. Otherwise this disables all
+ * future filter attachment.
  */
 #define	SO_BLOCK_FALLBACK(so, fn)				\
 	ASSERT(MUTEX_NOT_HELD(&(so)->so_lock));			\
@@ -334,6 +342,24 @@ struct sonode {
 		}						\
 	}
 
+/*
+ * Sockets that can fall back to TPI must ensure that fall back is not
+ * initiated while a thread is using a socket. Otherwise this disables all
+ * future unsafe filter attachment. Safe filters can still attach after
+ * we execute the function in which this macro is used.
+ */
+#define	SO_BLOCK_FALLBACK_SAFE(so, fn)				\
+	ASSERT(MUTEX_NOT_HELD(&(so)->so_lock));			\
+	rw_enter(&(so)->so_fallback_rwlock, RW_READER);		\
+	if ((so)->so_state & SS_FALLBACK_COMP) {		\
+		rw_exit(&(so)->so_fallback_rwlock);		\
+		return (fn);					\
+	} else if (((so)->so_state & SS_FILOP_UNSF) == 0) {	\
+		mutex_enter(&(so)->so_lock);			\
+		(so)->so_state |= SS_FILOP_UNSF;		\
+		mutex_exit(&(so)->so_lock);			\
+	}
+
 #define	SO_UNBLOCK_FALLBACK(so)	{			\
 	rw_exit(&(so)->so_fallback_rwlock);		\
 }
@@ -942,6 +968,15 @@ extern struct sonode	*socreate(struct sockparams *, int, int, int, int,
 extern int	so_copyin(const void *, void *, size_t, int);
 extern int	so_copyout(const void *, void *, size_t, int);
 
+/*
+ * Functions to manipulate the use of direct receive callbacks. This should not
+ * be used outside of sockfs and ksocket. These are generally considered a use
+ * once interface for a socket and will cause all outstanding data on the socket
+ * to be flushed.
+ */
+extern int	so_krecv_set(sonode_t *, so_krecv_f, void *);
+extern void	so_krecv_unblock(sonode_t *);
+
 #endif
 
 /*
diff --git a/usr/src/uts/common/sys/sockfilter.h b/usr/src/uts/common/sys/sockfilter.h
index 9f6d8b499b..c4dd6539de 100644
--- a/usr/src/uts/common/sys/sockfilter.h
+++ b/usr/src/uts/common/sys/sockfilter.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #ifndef	_SYS_SOCKFILTER_H
@@ -129,6 +130,15 @@ typedef struct sof_ops {
 
 #define	SOF_VERSION	1
 
+/*
+ * Flag indicating that the filter module is safe to attach after bind,
+ * getsockname, getsockopt or setsockopt calls. By default filters are unsafe
+ * so may not be attached after any socket operation. However, a safe filter
+ * can still be attached after one of the above calls. This makes attaching
+ * the filter less dependent on the initial socket setup order.
+ */
+#define	SOF_ATT_SAFE	0x1
+
 extern int	sof_register(int, const char *, const sof_ops_t *, int);
 extern int	sof_unregister(const char *);
 
diff --git a/usr/src/uts/common/sys/squeue.h b/usr/src/uts/common/sys/squeue.h
index f1bd429815..35e1cf64c7 100644
--- a/usr/src/uts/common/sys/squeue.h
+++ b/usr/src/uts/common/sys/squeue.h
@@ -29,6 +29,17 @@
 extern "C" {
 #endif
 
+/*
+ * Originally in illumos, we had an IP-centric view of the serialization queue
+ * abstraction. While that has useful properties, the implementation of squeues
+ * hardcodes various parts of the implementation of IP into it which makes it
+ * unsuitable for other consumers. To enable them, we created another interface,
+ * but opted not to port all of the functionality that IP uses in the form of
+ * ip_squeue.c As other consumers need the functionality that IP has in squeues,
+ * then we'll come up with more genericized methods and add that functionality
+ * to <sys/gsqueue.h>. Please do not continue to use this header.
+ */
+
 #include <sys/types.h>
 #include <sys/processor.h>
 #include <sys/stream.h>
@@ -76,12 +87,13 @@ typedef enum {
 
 struct ip_recv_attr_s;
 extern void squeue_init(void);
-extern squeue_t *squeue_create(clock_t, pri_t);
+extern squeue_t *squeue_create(clock_t, pri_t, boolean_t);
 extern void squeue_bind(squeue_t *, processorid_t);
 extern void squeue_unbind(squeue_t *);
 extern void squeue_enter(squeue_t *, mblk_t *, mblk_t *,
     uint32_t, struct ip_recv_attr_s *, int, uint8_t);
 extern uintptr_t *squeue_getprivate(squeue_t *, sqprivate_t);
+extern void squeue_destroy(squeue_t *);
 
 struct conn_s;
 extern int squeue_synch_enter(struct conn_s *, mblk_t *);
diff --git a/usr/src/uts/common/sys/squeue_impl.h b/usr/src/uts/common/sys/squeue_impl.h
index 22550886eb..d2418bbc15 100644
--- a/usr/src/uts/common/sys/squeue_impl.h
+++ b/usr/src/uts/common/sys/squeue_impl.h
@@ -117,6 +117,7 @@ struct squeue_s {
 	squeue_set_t	*sq_set;	/* managed by squeue creator */
 
 	pri_t		sq_priority;	/* squeue thread priority */
+	boolean_t	sq_isip;	/* use IP-centric features */
 
 	/* Keep the debug-only fields at the end of the structure */
 #ifdef DEBUG
@@ -165,6 +166,7 @@ struct squeue_s {
 #define	SQS_POLL_RESTART_DONE	0x01000000
 #define	SQS_POLL_THR_QUIESCE	0x02000000
 #define	SQS_PAUSE		0x04000000 /* The squeue has been paused */
+#define	SQS_EXIT		0x08000000 /* squeue is being torn down */
 
 #define	SQS_WORKER_THR_CONTROL          \
 	(SQS_POLL_QUIESCE | SQS_POLL_RESTART | SQS_POLL_CLEANUP)
diff --git a/usr/src/uts/common/sys/stream.h b/usr/src/uts/common/sys/stream.h
index 7a3b4e3448..4151cc0208 100644
--- a/usr/src/uts/common/sys/stream.h
+++ b/usr/src/uts/common/sys/stream.h
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.  All rights reserved.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -627,16 +628,11 @@ struct stroptions {
 /*
  * Structure for rw (read/write) procedure calls. A pointer
  * to a struiod_t is passed as a parameter to the rwnext() call.
- *
- * Note: DEF_IOV_MAX is defined and used as it is in "fs/vncalls.c"
- *	 as there isn't a formal definition of IOV_MAX ???
  */
-#define	DEF_IOV_MAX	16
-
 typedef struct struiod {
 	mblk_t		*d_mp;		/* pointer to mblk (chain) */
 	uio_t		d_uio;		/* uio info */
-	iovec_t d_iov[DEF_IOV_MAX];	/* iov referenced by uio */
+	iovec_t 	*d_iov;		/* iov referenced by uio */
 } struiod_t;
 
 /*
diff --git a/usr/src/uts/common/sys/sunddi.h b/usr/src/uts/common/sys/sunddi.h
index 8d1fd5e730..18d2284b4a 100644
--- a/usr/src/uts/common/sys/sunddi.h
+++ b/usr/src/uts/common/sys/sunddi.h
@@ -462,6 +462,7 @@ extern size_t strlcat(char *, const char *, size_t);
 extern size_t strlcpy(char *, const char *, size_t);
 extern size_t strspn(const char *, const char *);
 extern size_t strcspn(const char *, const char *);
+extern char *strsep(char **, const char *);
 extern int bcmp(const void *, const void *, size_t) __PURE;
 extern int stoi(char **);
 extern void numtos(ulong_t, char *);
diff --git a/usr/src/uts/common/sys/syscall.h b/usr/src/uts/common/sys/syscall.h
index e365668f85..7d86565564 100644
--- a/usr/src/uts/common/sys/syscall.h
+++ b/usr/src/uts/common/sys/syscall.h
@@ -511,8 +511,8 @@ typedef struct {	/* return values from system call */
 
 #if !defined(_KERNEL)
 
-extern int	syscall(int, ...);
-extern int	__systemcall(sysret_t *, int, ...);
+extern long	syscall(int, ...);
+extern long	__systemcall(sysret_t *, int, ...);
 extern int	__set_errno(int);
 
 #endif	/* _KERNEL */
diff --git a/usr/src/uts/common/sys/systrace.h b/usr/src/uts/common/sys/systrace.h
index d43974451e..17e509d4d8 100644
--- a/usr/src/uts/common/sys/systrace.h
+++ b/usr/src/uts/common/sys/systrace.h
@@ -22,13 +22,12 @@
 /*
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
  */
 
 #ifndef _SYS_SYSTRACE_H
 #define	_SYS_SYSTRACE_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <sys/dtrace.h>
 
 #ifdef	__cplusplus
@@ -47,16 +46,18 @@ extern systrace_sysent_t *systrace_sysent;
 extern systrace_sysent_t *systrace_sysent32;
 
 extern void (*systrace_probe)(dtrace_id_t, uintptr_t, uintptr_t,
-    uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+    uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 extern void systrace_stub(dtrace_id_t, uintptr_t, uintptr_t,
-    uintptr_t, uintptr_t, uintptr_t, uintptr_t);
+    uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 
 extern int64_t dtrace_systrace_syscall(uintptr_t arg0, uintptr_t arg1,
-    uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5);
+    uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5,
+    uintptr_t arg6, uintptr_t arg7);
 
 #ifdef _SYSCALL32_IMPL
 extern int64_t dtrace_systrace_syscall32(uintptr_t arg0, uintptr_t arg1,
-    uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5);
+    uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5,
+    uintptr_t arg6, uintptr_t arg7);
 #endif
 
 #endif
diff --git a/usr/src/uts/common/sys/termios.h b/usr/src/uts/common/sys/termios.h
index 09be20858d..889a7096cd 100644
--- a/usr/src/uts/common/sys/termios.h
+++ b/usr/src/uts/common/sys/termios.h
@@ -361,6 +361,24 @@ extern pid_t tcgetsid(int);
 #define	TCSETSF		(_TIOC|16)
 
 /*
+ * linux terminal ioctls we need to be aware of
+ */
+#define	TIOCSETLD	(_TIOC|123)	/* set line discipline parms */
+#define	TIOCGETLD	(_TIOC|124)	/* get line discipline parms */
+
+/*
+ * The VMIN and VTIME and solaris overlap with VEOF and VEOL - This is
+ * perfectly legal except, linux expects them to be separate. So we keep
+ * them separately.
+ */
+struct lx_cc {
+	unsigned char veof;	/* veof value */
+	unsigned char veol;	/* veol value */
+	unsigned char vmin;	/* vmin value */
+	unsigned char vtime;	/* vtime value */
+};
+
+/*
  * NTP PPS ioctls
  */
 #define	TIOCGPPS	(_TIOC|125)
diff --git a/usr/src/uts/common/sys/thread.h b/usr/src/uts/common/sys/thread.h
index 188230d61e..41ea2331df 100644
--- a/usr/src/uts/common/sys/thread.h
+++ b/usr/src/uts/common/sys/thread.h
@@ -24,6 +24,10 @@
  * Use is subject to license terms.
  */
 
+/*
+ * Copyright (c) 2015, Joyent, Inc.  All rights reserved.
+ */
+
 #ifndef	_SYS_THREAD_H
 #define	_SYS_THREAD_H
 
@@ -68,6 +72,8 @@ typedef struct ctxop {
 	void	(*free_op)(void *, int); /* function which frees the context */
 	void	*arg;		/* argument to above functions, ctx pointer */
 	struct ctxop *next;	/* next context ops */
+	hrtime_t save_ts;		/* timestamp of last save */
+	hrtime_t restore_ts;		/* timestamp of last restore */
 } ctxop_t;
 
 /*
@@ -365,7 +371,7 @@ typedef struct _kthread {
 #define	T_WOULDBLOCK	0x0020	/* for lockfs */
 #define	T_DONTBLOCK	0x0040	/* for lockfs */
 #define	T_DONTPEND	0x0080	/* for lockfs */
-#define	T_SYS_PROF	0x0100	/* profiling on for duration of system call */
+#define	T_SPLITSTK	0x0100	/* kernel stack is currently split */
 #define	T_WAITCVSEM	0x0200	/* waiting for a lwp_cv or lwp_sema on sleepq */
 #define	T_WATCHPT	0x0400	/* thread undergoing a watchpoint emulation */
 #define	T_PANIC		0x0800	/* thread initiated a system panic */
@@ -413,8 +419,9 @@ typedef struct _kthread {
 #define	TS_RESUME	0x1000	/* setrun() by CPR resume process */
 #define	TS_CREATE	0x2000	/* setrun() by syslwp_create() */
 #define	TS_RUNQMATCH	0x4000	/* exact run queue balancing by setbackdq() */
+#define	TS_BSTART	0x8000	/* setrun() by brand */
 #define	TS_ALLSTART	\
-	(TS_CSTART|TS_UNPAUSE|TS_XSTART|TS_PSTART|TS_RESUME|TS_CREATE)
+	(TS_CSTART|TS_UNPAUSE|TS_XSTART|TS_PSTART|TS_RESUME|TS_CREATE|TS_BSTART)
 #define	TS_ANYWAITQ	(TS_PROJWAITQ|TS_ZONEWAITQ)
 
 /*
@@ -442,6 +449,10 @@ typedef struct _kthread {
 #define	ISTOPPED(t) ((t)->t_state == TS_STOPPED && \
 			!((t)->t_schedflag & TS_PSTART))
 
+/* True if thread is stopped for a brand-specific reason */
+#define	BSTOPPED(t)	((t)->t_state == TS_STOPPED && \
+			    !((t)->t_schedflag & TS_BSTART))
+
 /* True if thread is asleep and wakeable */
 #define	ISWAKEABLE(t) (((t)->t_state == TS_SLEEP && \
 			((t)->t_flag & T_WAKEABLE)))
diff --git a/usr/src/uts/common/sys/timer.h b/usr/src/uts/common/sys/timer.h
index 604ddf5d83..ec349c962f 100644
--- a/usr/src/uts/common/sys/timer.h
+++ b/usr/src/uts/common/sys/timer.h
@@ -24,6 +24,10 @@
  * Use is subject to license terms.
  */
 
+/*
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
+ */
+
 #ifndef	_SYS_TIMER_H
 #define	_SYS_TIMER_H
 
@@ -55,32 +59,45 @@ extern	int	timer_max;		/* patchable via /etc/system */
 
 struct clock_backend;
 
-typedef struct itimer {
+struct itimer;
+typedef struct itimer itimer_t;
+
+struct itimer {
 	itimerspec_t	it_itime;
 	hrtime_t	it_hrtime;
 	ushort_t	it_flags;
 	ushort_t	it_lock;
-	void		*it_arg;
-	sigqueue_t	*it_sigq;
-	klwp_t		*it_lwp;
+	void		*it_arg;	/* clock backend-specific data */
 	struct proc	*it_proc;
+	union {
+		struct {
+			sigqueue_t	*__it_sigq;
+			klwp_t		*__it_lwp;
+		} __proc;
+		void *__it_frontend;
+	} __data;			/* timer frontend-specific data */
 	kcondvar_t	it_cv;
 	int		it_blockers;
 	int		it_pending;
 	int		it_overrun;
 	struct clock_backend *it_backend;
+	void		(*it_fire)(itimer_t *);
 	kmutex_t	it_mutex;
 	void		*it_portev;	/* port_kevent_t pointer */
 	void		*it_portsrc;	/* port_source_t pointer */
 	int		it_portfd;	/* port file descriptor */
-} itimer_t;
+};
+
+#define	it_sigq		__data.__proc.__it_sigq
+#define	it_lwp		__data.__proc.__it_lwp
+#define	it_frontend	__data.__it_frontend
 
 typedef struct clock_backend {
 	struct sigevent clk_default;
 	int (*clk_clock_settime)(timespec_t *);
 	int (*clk_clock_gettime)(timespec_t *);
 	int (*clk_clock_getres)(timespec_t *);
-	int (*clk_timer_create)(itimer_t *, struct sigevent *);
+	int (*clk_timer_create)(itimer_t *, void (*)(itimer_t *));
 	int (*clk_timer_settime)(itimer_t *, int, const struct itimerspec *);
 	int (*clk_timer_gettime)(itimer_t *, struct itimerspec *);
 	int (*clk_timer_delete)(itimer_t *);
@@ -88,8 +105,8 @@ typedef struct clock_backend {
 } clock_backend_t;
 
 extern void clock_add_backend(clockid_t clock, clock_backend_t *backend);
+extern clock_backend_t *clock_get_backend(clockid_t clock);
 
-extern void timer_fire(itimer_t *);
 extern void timer_lwpbind();
 
 extern	void	timer_func(sigqueue_t *);
diff --git a/usr/src/uts/common/sys/timerfd.h b/usr/src/uts/common/sys/timerfd.h
new file mode 100644
index 0000000000..66cb50ac88
--- /dev/null
+++ b/usr/src/uts/common/sys/timerfd.h
@@ -0,0 +1,81 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
+ */
+
+/*
+ * Header file to support for the timerfd facility.
+ */
+
+#ifndef _SYS_TIMERFD_H
+#define	_SYS_TIMERFD_H
+
+#include <sys/types.h>
+#include <sys/time_impl.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * To assure binary compatibility with Linux, these values are fixed at their
+ * Linux equivalents, not their native ones.
+ */
+#define	TFD_CLOEXEC		02000000		/* LX_O_CLOEXEC */
+#define	TFD_NONBLOCK		04000			/* LX_O_NONBLOCK */
+#define	TFD_TIMER_ABSTIME	(1 << 0)
+#define	TFD_TIMER_CANCEL_ON_SET	(1 << 1)
+
+/*
+ * These ioctl values are specific to the native implementation; applications
+ * shouldn't be using them directly, and they should therefore be safe to
+ * change without breaking apps.
+ */
+#define	TIMERFDIOC		(('t' << 24) | ('f' << 16) | ('d' << 8))
+#define	TIMERFDIOC_CREATE	(TIMERFDIOC | 1)	/* create timer */
+#define	TIMERFDIOC_SETTIME	(TIMERFDIOC | 2)	/* timerfd_settime() */
+#define	TIMERFDIOC_GETTIME	(TIMERFDIOC | 3)	/* timerfd_gettime() */
+
+typedef struct timerfd_settime {
+	uint64_t tfd_settime_flags;	/* flags (e.g., TFD_TIMER_ABSTIME) */
+	uint64_t tfd_settime_value;	/* pointer to value */
+	uint64_t tfd_settime_ovalue;	/* pointer to old value, if any */
+} timerfd_settime_t;
+
+#ifndef _KERNEL
+
+extern int timerfd_create(int, int);
+extern int timerfd_settime(int, int,
+    const struct itimerspec *, struct itimerspec *);
+extern int timerfd_gettime(int, struct itimerspec *);
+
+#else
+
+#define	TIMERFDMNRN_TIMERFD	0
+#define	TIMERFDMNRN_CLONE	1
+#define	TIMERFD_VALMAX		(ULLONG_MAX - 1ULL)
+
+/*
+ * Fortunately, the values for the Linux clocks that are valid for timerfd
+ * (namely, CLOCK_REALTIME and CLOCK_MONOTONIC) don't overlap with our values
+ * the same.
+ */
+#define	TIMERFD_MONOTONIC	1	/* Linux value for CLOCK_MONOTONIC */
+
+#endif /* _KERNEL */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_TIMERFD_H */
diff --git a/usr/src/uts/common/sys/uadmin.h b/usr/src/uts/common/sys/uadmin.h
index d5168c9b2c..c14a3bf11e 100644
--- a/usr/src/uts/common/sys/uadmin.h
+++ b/usr/src/uts/common/sys/uadmin.h
@@ -23,6 +23,7 @@
  *
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -159,7 +160,7 @@ extern kmutex_t ualock;
 extern void mdboot(int, int, char *, boolean_t);
 extern void mdpreboot(int, int, char *);
 extern int kadmin(int, int, void *, cred_t *);
-extern void killall(zoneid_t);
+extern void killall(zoneid_t, boolean_t);
 #endif
 
 extern int uadmin(int, int, uintptr_t);
diff --git a/usr/src/uts/common/sys/vm_usage.h b/usr/src/uts/common/sys/vm_usage.h
index 1aa4a8ee6d..c2954cbc29 100644
--- a/usr/src/uts/common/sys/vm_usage.h
+++ b/usr/src/uts/common/sys/vm_usage.h
@@ -21,6 +21,7 @@
 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
  */
 
 #ifndef	_SYS_VM_USAGE_H
@@ -79,8 +80,9 @@ extern "C" {
 					/* zoneid */
 #define	VMUSAGE_COL_EUSERS	0x2000	/* same as VMUSAGE_COL_RUSERS, but by */
 					/* euser */
+#define	VMUSAGE_A_ZONE		0x4000	/* rss/swap for a specified zone */
 
-#define	VMUSAGE_MASK		0x3fff  /* all valid flags for getvmusage() */
+#define	VMUSAGE_MASK		0x7fff  /* all valid flags for getvmusage() */
 
 typedef struct vmusage {
 	id_t	vmu_zoneid;		/* zoneid, or ALL_ZONES for */
@@ -108,6 +110,7 @@ extern int getvmusage(uint_t flags, time_t age, vmusage_t *buf, size_t *nres);
 
 int vm_getusage(uint_t, time_t, vmusage_t *, size_t *, int);
 void vm_usage_init();
+int vm_map_inval(pid_t, caddr_t, size_t);
 
 #endif	/* _KERNEL */
 
diff --git a/usr/src/uts/common/sys/vmsystm.h b/usr/src/uts/common/sys/vmsystm.h
index 6122b6cd2f..c7b41730b6 100644
--- a/usr/src/uts/common/sys/vmsystm.h
+++ b/usr/src/uts/common/sys/vmsystm.h
@@ -19,6 +19,9 @@
  * CDDL HEADER END
  */
 /*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
+/*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
@@ -159,6 +162,8 @@ extern	void	*boot_virt_alloc(void *addr, size_t size);
 
 extern	size_t	exec_get_spslew(void);
 
+extern	caddr_t	map_userlimit(proc_t *pp, struct as *as, int flags);
+
 #endif	/* _KERNEL */
 
 #ifdef	__cplusplus
diff --git a/usr/src/uts/common/sys/vnd.h b/usr/src/uts/common/sys/vnd.h
new file mode 100644
index 0000000000..bc7c9c3122
--- /dev/null
+++ b/usr/src/uts/common/sys/vnd.h
@@ -0,0 +1,141 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc. All rights reserved.
+ */
+
+#ifndef _SYS_VND_H
+#define	_SYS_VND_H
+
+#include <sys/types.h>
+#include <sys/vnd_errno.h>
+#include <sys/frameio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * We distinguish between normal ioctls and private ioctls we issues to out
+ * streams version. Streams ioctls have the upper bit set in the lowest byte.
+ * Note that there are no STREAMs ioctls for userland and all definitions
+ * related to them are not present in this file.
+ */
+#define	VND_IOC		(('v' << 24) | ('n' << 16) | ('d' << 8))
+
+/*
+ * Attach the current minor instance to a given dlpi datalink identified by a
+ * vnd_ioc_name_t argument. This fails if it's already been attached. Note that
+ * unlike the other ioctls, this is passed directly as opposed to every other
+ * function which is passed as a pointer to the value.
+ */
+#define	VND_IOC_ATTACH		(VND_IOC | 0x1)
+
+#define	VND_NAMELEN	32
+
+typedef struct vnd_ioc_attach {
+	char		via_name[VND_NAMELEN];
+	zoneid_t	via_zoneid;
+	uint32_t	via_errno;
+} vnd_ioc_attach_t;
+
+/*
+ * Link the current minor instance into the /devices name space.
+ *
+ * This ioctl adds entries into /devices with a name of the form z%d:%s vil_zid,
+ * vil_name. The device will be namespaced to the zone. The global zone will be
+ * able to see all minor nodes. In the zone, only the /dev entries will exist.
+ * At this time, a given device can only have one link at a time. Note that a
+ * user cannot specify the zone to pass in, rather it is the zone that the
+ * device was attached in.
+ */
+#define	VND_IOC_LINK		(VND_IOC | 0x2)
+
+typedef struct vnd_ioc_link {
+	char		vil_name[VND_NAMELEN];
+	uint32_t	vil_errno;
+} vnd_ioc_link_t;
+
+/*
+ * Unlink the opened minor instance from the /devices name space. A zone may use
+ * this to unlink an extent entry in /dev; however, they will not be able to
+ * link it in again.
+ */
+#define	VND_IOC_UNLINK		(VND_IOC | 0x3)
+typedef struct vnd_ioc_unlink {
+	uint32_t viu_errno;
+} vnd_ioc_unlink_t;
+
+/*
+ * Controls to get and set the current buffer recieve buffer size.
+ */
+typedef struct vnd_ioc_buf {
+	uint64_t	vib_size;
+	uint32_t	vib_filler;
+	uint32_t	vib_errno;
+} vnd_ioc_buf_t;
+
+#define	VND_IOC_GETRXBUF	(VND_IOC | 0x04)
+#define	VND_IOC_SETRXBUF	(VND_IOC | 0x05)
+#define	VND_IOC_GETMAXBUF	(VND_IOC | 0x06)
+#define	VND_IOC_GETTXBUF	(VND_IOC | 0x07)
+#define	VND_IOC_SETTXBUF	(VND_IOC | 0x08)
+#define	VND_IOC_GETMINTU	(VND_IOC | 0x09)
+#define	VND_IOC_GETMAXTU	(VND_IOC | 0x0a)
+
+/*
+ * Information and listing ioctls
+ *
+ * This gets information about all of the active vnd instances. vl_actents is
+ * always updated to the number around and vl_nents is the number of
+ * vnd_ioc_info_t elements are allocated in vl_ents.
+ */
+typedef struct vnd_ioc_info {
+	uint32_t vii_version;
+	zoneid_t vii_zone;
+	char vii_name[VND_NAMELEN];
+	char vii_datalink[VND_NAMELEN];
+} vnd_ioc_info_t;
+
+typedef struct vnd_ioc_list {
+	uint_t vl_nents;
+	uint_t vl_actents;
+	vnd_ioc_info_t *vl_ents;
+} vnd_ioc_list_t;
+
+#ifdef _KERNEL
+
+typedef struct vnd_ioc_list32 {
+	uint_t vl_nents;
+	uint_t vl_actents;
+	caddr32_t vl_ents;
+} vnd_ioc_list32_t;
+
+#endif	/* _KERNEL */
+
+#define	VND_IOC_LIST		(VND_IOC | 0x20)
+
+/*
+ * Framed I/O ioctls
+ *
+ * Users should use the standard frameio_t as opposed to a vnd specific type.
+ * This is a consolidation private ioctl pending futher stability in the form of
+ * specific system work.
+ */
+#define	VND_IOC_FRAMEIO_READ	(VND_IOC | 0x30)
+#define	VND_IOC_FRAMEIO_WRITE	(VND_IOC | 0x31)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_VND_H */
diff --git a/usr/src/uts/common/sys/vnd_errno.h b/usr/src/uts/common/sys/vnd_errno.h
new file mode 100644
index 0000000000..89e5fc2543
--- /dev/null
+++ b/usr/src/uts/common/sys/vnd_errno.h
@@ -0,0 +1,72 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#ifndef _SYS_VND_ERRNO_H
+#define	_SYS_VND_ERRNO_H
+
+/*
+ * This header contains all of the available vnd errors.
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum vnd_errno {
+	VND_E_SUCCESS = 0,		/* no error */
+	VND_E_NOMEM,			/* no memory */
+	VND_E_NODATALINK,		/* no such datalink */
+	VND_E_NOTETHER,			/* not DL_ETHER */
+	VND_E_DLPIINVAL,		/* Unknown DLPI failures */
+	VND_E_ATTACHFAIL,		/* DL_ATTACH_REQ failed */
+	VND_E_BINDFAIL,			/* DL_BIND_REQ failed */
+	VND_E_PROMISCFAIL,		/* DL_PROMISCON_REQ failed */
+	VND_E_DIRECTFAIL,		/* DLD_CAPAB_DIRECT enable failed */
+	VND_E_CAPACKINVAL,		/* bad dl_capability_ack_t */
+	VND_E_SUBCAPINVAL,		/* bad dl_capability_sub_t */
+	VND_E_DLDBADVERS,		/* bad dld version */
+	VND_E_KSTATCREATE,		/* failed to create kstats */
+	VND_E_NODEV,			/* no such vnd link */
+	VND_E_NONETSTACK,		/* netstack doesn't exist */
+	VND_E_ASSOCIATED,		/* device already associated */
+	VND_E_ATTACHED,			/* device already attached */
+	VND_E_LINKED,			/* device already linked */
+	VND_E_BADNAME,			/* invalid name */
+	VND_E_PERM,			/* can't touch this */
+	VND_E_NOZONE,			/* no such zone */
+	VND_E_STRINIT,		/* failed to initialize vnd stream module */
+	VND_E_NOTATTACHED,		/* device not attached */
+	VND_E_NOTLINKED,		/* device not linked */
+	VND_E_LINKEXISTS,	/* another device has the same link name */
+	VND_E_MINORNODE,		/* failed to create minor node */
+	VND_E_BUFTOOBIG,		/* requested buffer size is too large */
+	VND_E_BUFTOOSMALL,		/* requested buffer size is too small */
+	VND_E_DLEXCL,			/* unable to get dlpi excl access */
+	VND_E_DIRECTNOTSUP,
+			/* DLD direct capability not suported over data link */
+	VND_E_BADPROPSIZE,		/* invalid property size */
+	VND_E_BADPROP,			/* invalid property */
+	VND_E_PROPRDONLY,		/* property is read only */
+	VND_E_SYS,			/* unexpected system error */
+	VND_E_CAPABPASS,
+			/* capabilities invalid, pass-through module detected */
+	VND_E_UNKNOWN			/* unknown error */
+} vnd_errno_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_VND_ERRNO_H */
diff --git a/usr/src/uts/common/sys/vnode.h b/usr/src/uts/common/sys/vnode.h
index af9516fe52..c1c12a084e 100644
--- a/usr/src/uts/common/sys/vnode.h
+++ b/usr/src/uts/common/sys/vnode.h
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  */
 
 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
@@ -735,7 +735,8 @@ typedef enum vnevent	{
 	VE_LINK		= 6, 	/* Link with vnode's name as source */
 	VE_RENAME_DEST_DIR	= 7, 	/* Rename with vnode as target dir */
 	VE_MOUNTEDOVER	= 8, 	/* File or Filesystem got mounted over vnode */
-	VE_TRUNCATE = 9		/* Truncate */
+	VE_TRUNCATE = 9,	/* Truncate */
+	VE_RENAME_SRC_DIR = 10	/* Rename with vnode as source dir */
 } vnevent_t;
 
 /*
@@ -1290,7 +1291,8 @@ void	vnevent_remove(vnode_t *, vnode_t *, char *, caller_context_t *);
 void	vnevent_rmdir(vnode_t *, vnode_t *, char *, caller_context_t *);
 void	vnevent_create(vnode_t *, caller_context_t *);
 void	vnevent_link(vnode_t *, caller_context_t *);
-void	vnevent_rename_dest_dir(vnode_t *, caller_context_t *ct);
+void	vnevent_rename_dest_dir(vnode_t *, vnode_t *, char *,
+    caller_context_t *ct);
 void	vnevent_mountedover(vnode_t *, caller_context_t *);
 void	vnevent_truncate(vnode_t *, caller_context_t *);
 int	vnevent_support(vnode_t *, caller_context_t *);
diff --git a/usr/src/uts/common/sys/vxlan.h b/usr/src/uts/common/sys/vxlan.h
new file mode 100644
index 0000000000..d87786b507
--- /dev/null
+++ b/usr/src/uts/common/sys/vxlan.h
@@ -0,0 +1,47 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _SYS_VXLAN_H
+#define	_SYS_VXLAN_H
+
+/*
+ * Common VXLAN information
+ */
+
+#include <sys/inttypes.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Sizes in bytes */
+#define	VXLAN_HDR_LEN	8
+#define	VXLAN_ID_LEN	3
+
+#define	VXLAN_F_VDI	0x08000000
+#define	VXLAN_ID_SHIFT	8
+
+#pragma pack(1)
+typedef struct vxlan_hdr {
+	uint32_t vxlan_flags;
+	uint32_t vxlan_id;
+} vxlan_hdr_t;
+#pragma pack()
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_VXLAN_H */
diff --git a/usr/src/uts/common/sys/zfd.h b/usr/src/uts/common/sys/zfd.h
new file mode 100644
index 0000000000..acf9ce8d33
--- /dev/null
+++ b/usr/src/uts/common/sys/zfd.h
@@ -0,0 +1,63 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _SYS_ZFD_H
+#define	_SYS_ZFD_H
+
+#include <sys/types.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * Minor node name of the global zone side (often called the "master" side)
+ * of the zfd dev.
+ */
+#define	ZFD_MASTER_NAME	"master"
+
+/*
+ * Minor node name of the non-global zone side (often called the "slave"
+ * side) of the zfd dev.
+ */
+#define	ZFD_SLAVE_NAME	"slave"
+
+#define	ZFD_NAME_LEN	16
+
+/*
+ * ZFD_IOC forms the base for all zfd ioctls.
+ */
+#define	ZFD_IOC		(('Z' << 24) | ('f' << 16) | ('d' << 8))
+
+/*
+ * This ioctl tells the slave side it should push the TTY stream modules
+ * so that the fd looks like a tty.
+ */
+#define	ZFD_MAKETTY		(ZFD_IOC | 0)
+
+/*
+ * This ioctl puts a hangup into the stream so that the slave side sees EOF.
+ */
+#define	ZFD_EOF			(ZFD_IOC | 1)
+
+/*
+ * This ioctl succeeds if the slave side is open.
+ */
+#define	ZFD_HAS_SLAVE		(ZFD_IOC | 2)
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_ZFD_H */
diff --git a/usr/src/uts/common/sys/zone.h b/usr/src/uts/common/sys/zone.h
index 7aab7c8d32..a5d1610842 100644
--- a/usr/src/uts/common/sys/zone.h
+++ b/usr/src/uts/common/sys/zone.h
@@ -23,6 +23,7 @@
  * Copyright 2013, Joyent, Inc. All rights reserved.
  * Copyright 2014 Nexenta Systems, Inc. All rights reserved.
  * Copyright 2014 Igor Kozhukhov <ikozhukhov@gmail.com>.
+ * Copyright 2015, Joyent, Inc. All rights reserved.
  */
 
 #ifndef _SYS_ZONE_H
@@ -97,13 +98,17 @@ extern "C" {
 #define	ZONE_ATTR_INITNAME	9
 #define	ZONE_ATTR_BOOTARGS	10
 #define	ZONE_ATTR_BRAND		11
-#define	ZONE_ATTR_PHYS_MCAP	12
+#define	ZONE_ATTR_PMCAP_NOVER	12
 #define	ZONE_ATTR_SCHED_CLASS	13
 #define	ZONE_ATTR_FLAGS		14
 #define	ZONE_ATTR_HOSTID	15
 #define	ZONE_ATTR_FS_ALLOWED	16
 #define	ZONE_ATTR_NETWORK	17
+#define	ZONE_ATTR_DID		18
+#define	ZONE_ATTR_PMCAP_PAGEOUT	19
 #define	ZONE_ATTR_INITNORESTART	20
+#define	ZONE_ATTR_PG_FLT_DELAY	21
+#define	ZONE_ATTR_RSS		22
 
 /* Start of the brand-specific attribute namespace */
 #define	ZONE_ATTR_BRAND_ATTRS	32768
@@ -184,6 +189,7 @@ typedef struct {
 	uint32_t doi;			/* DOI for label */
 	caddr32_t label;		/* label associated with zone */
 	int flags;
+	zoneid_t zoneid;		/* requested zoneid */
 } zone_def32;
 #endif
 typedef struct {
@@ -200,6 +206,7 @@ typedef struct {
 	uint32_t doi;			/* DOI for label */
 	const bslabel_t *label;		/* label associated with zone */
 	int flags;
+	zoneid_t zoneid;		/* requested zoneid */
 } zone_def;
 
 /* extended error information */
@@ -244,9 +251,12 @@ typedef enum zone_cmd {
 typedef struct zone_cmd_arg {
 	uint64_t	uniqid;		/* unique "generation number" */
 	zone_cmd_t	cmd;		/* requested action */
-	uint32_t	_pad;		/* need consistent 32/64 bit alignmt */
+	int		status;		/* init status on shutdown */
+	uint32_t	debug;		/* enable brand hook debug */
 	char locale[MAXPATHLEN];	/* locale in which to render messages */
 	char bootbuf[BOOTARGS_MAX];	/* arguments passed to zone_boot() */
+	/* Needed for 32/64 zoneadm -> zoneadmd door arg size check. */
+	int		pad;
 } zone_cmd_arg_t;
 
 /*
@@ -372,7 +382,7 @@ typedef struct zone_dataset {
 } zone_dataset_t;
 
 /*
- * structure for zone kstats
+ * structure for rctl zone kstats
  */
 typedef struct zone_kstat {
 	kstat_named_t zk_zonename;
@@ -383,6 +393,58 @@ typedef struct zone_kstat {
 struct cpucap;
 
 typedef struct {
+	hrtime_t	cycle_start;
+	uint_t		cycle_cnt;
+	hrtime_t	zone_avg_cnt;
+} sys_zio_cntr_t;
+
+typedef struct {
+	kstat_named_t	zv_zonename;
+	kstat_named_t	zv_nread;
+	kstat_named_t	zv_reads;
+	kstat_named_t	zv_rtime;
+	kstat_named_t	zv_rlentime;
+	kstat_named_t	zv_nwritten;
+	kstat_named_t	zv_writes;
+	kstat_named_t	zv_wtime;
+	kstat_named_t	zv_wlentime;
+	kstat_named_t	zv_10ms_ops;
+	kstat_named_t	zv_100ms_ops;
+	kstat_named_t	zv_1s_ops;
+	kstat_named_t	zv_10s_ops;
+	kstat_named_t 	zv_delay_cnt;
+	kstat_named_t	zv_delay_time;
+} zone_vfs_kstat_t;
+
+typedef struct {
+	kstat_named_t	zz_zonename;
+	kstat_named_t	zz_nread;
+	kstat_named_t	zz_reads;
+	kstat_named_t	zz_rtime;
+	kstat_named_t	zz_rlentime;
+	kstat_named_t	zz_nwritten;
+	kstat_named_t	zz_writes;
+	kstat_named_t	zz_waittime;
+} zone_zfs_kstat_t;
+
+typedef struct {
+	kstat_named_t	zm_zonename;
+	kstat_named_t	zm_rss;
+	kstat_named_t	zm_phys_cap;
+	kstat_named_t	zm_swap;
+	kstat_named_t	zm_swap_cap;
+	kstat_named_t	zm_nover;
+	kstat_named_t	zm_pagedout;
+	kstat_named_t	zm_pgpgin;
+	kstat_named_t	zm_anonpgin;
+	kstat_named_t	zm_execpgin;
+	kstat_named_t	zm_fspgin;
+	kstat_named_t	zm_anon_alloc_fail;
+	kstat_named_t	zm_pf_throttle;
+	kstat_named_t	zm_pf_throttle_usec;
+} zone_mcap_kstat_t;
+
+typedef struct {
 	kstat_named_t	zm_zonename;	/* full name, kstat truncates name */
 	kstat_named_t	zm_utime;
 	kstat_named_t	zm_stime;
@@ -390,15 +452,12 @@ typedef struct {
 	kstat_named_t	zm_avenrun1;
 	kstat_named_t	zm_avenrun5;
 	kstat_named_t	zm_avenrun15;
-	kstat_named_t	zm_run_ticks;
-	kstat_named_t	zm_run_wait;
-	kstat_named_t	zm_fss_shr_pct;
-	kstat_named_t	zm_fss_pri_hi;
-	kstat_named_t	zm_fss_pri_avg;
 	kstat_named_t	zm_ffcap;
 	kstat_named_t	zm_ffnoproc;
 	kstat_named_t	zm_ffnomem;
 	kstat_named_t	zm_ffmisc;
+	kstat_named_t	zm_init_pid;
+	kstat_named_t	zm_boot_time;
 } zone_misc_kstat_t;
 
 typedef struct zone {
@@ -440,6 +499,7 @@ typedef struct zone {
 	 */
 	list_node_t	zone_linkage;
 	zoneid_t	zone_id;	/* ID of zone */
+	zoneid_t	zone_did;	/* persistent debug ID of zone */
 	uint_t		zone_ref;	/* count of zone_hold()s on zone */
 	uint_t		zone_cred_ref;	/* count of zone_hold_cred()s on zone */
 	/*
@@ -492,10 +552,11 @@ typedef struct zone {
 	kcondvar_t	zone_cv;	/* used to signal state changes */
 	struct proc	*zone_zsched;	/* Dummy kernel "zsched" process */
 	pid_t		zone_proc_initpid; /* pid of "init" for this zone */
-	char		*zone_initname;	/* fs path to 'init' */
+	char		*zone_initname;		/* fs path to 'init' */
+	int		zone_init_status;	/* init's exit status */
 	int		zone_boot_err;  /* for zone_boot() if boot fails */
 	char		*zone_bootargs;	/* arguments passed via zone_boot() */
-	uint64_t	zone_phys_mcap;	/* physical memory cap */
+	rctl_qty_t	zone_phys_mem_ctl;	/* current phys. memory limit */
 	/*
 	 * zone_kthreads is protected by zone_status_lock.
 	 */
@@ -533,6 +594,7 @@ typedef struct zone {
 	tsol_mlp_list_t zone_mlps;	/* MLPs on zone-private addresses */
 
 	boolean_t	zone_restart_init;	/* Restart init if it dies? */
+	boolean_t	zone_reboot_on_init_exit; /* Reboot if init dies? */
 	struct brand	*zone_brand;		/* zone's brand */
 	void 		*zone_brand_data;	/* store brand specific data */
 	id_t		zone_defaultcid;	/* dflt scheduling class id */
@@ -544,6 +606,37 @@ typedef struct zone {
 	list_t		zone_dl_list;
 	netstack_t	*zone_netstack;
 	struct cpucap	*zone_cpucap;	/* CPU caps data */
+
+	/*
+	 * Data and counters used for ZFS fair-share disk IO.
+	 */
+	rctl_qty_t	zone_zfs_io_pri;	/* ZFS IO priority */
+	uint_t		zone_zfs_queued[2];	/* sync I/O enqueued count */
+	uint64_t	zone_zfs_weight;	/* used to prevent starvation */
+	uint64_t	zone_io_util;		/* IO utilization metric */
+	boolean_t	zone_io_util_above_avg;	/* IO util percent > avg. */
+	uint16_t	zone_io_delay;		/* IO delay on logical r/w */
+	kmutex_t	zone_stg_io_lock;	/* protects IO window data */
+	sys_zio_cntr_t	zone_rd_ops;		/* Counters for ZFS reads, */
+	sys_zio_cntr_t	zone_wr_ops;		/* writes and */
+	sys_zio_cntr_t	zone_lwr_ops;		/* logical writes. */
+
+	/*
+	 * kstats and counters for VFS ops and bytes.
+	 */
+	kmutex_t	zone_vfs_lock;		/* protects VFS statistics */
+	kstat_t		*zone_vfs_ksp;
+	kstat_io_t	zone_vfs_rwstats;
+	zone_vfs_kstat_t *zone_vfs_stats;
+
+	/*
+	 * kstats for ZFS I/O ops and bytes.
+	 */
+	kmutex_t	zone_zfs_lock;		/* protects ZFS statistics */
+	kstat_t		*zone_zfs_ksp;
+	kstat_io_t	zone_zfs_rwstats;
+	zone_zfs_kstat_t *zone_zfs_stats;
+
 	/*
 	 * Solaris Auditing per-zone audit context
 	 */
@@ -563,6 +656,27 @@ typedef struct zone {
 	kstat_t		*zone_nprocs_kstat;
 
 	/*
+	 * kstats and counters for physical memory capping.
+	 */
+	rctl_qty_t	zone_phys_mem;	/* current bytes of phys. mem. (RSS) */
+	kstat_t		*zone_physmem_kstat;
+	uint64_t	zone_mcap_nover;	/* # of times over phys. cap */
+	uint64_t	zone_mcap_pagedout;	/* bytes of mem. paged out */
+	kmutex_t	zone_mcap_lock;	/* protects mcap statistics */
+	kstat_t		*zone_mcap_ksp;
+	zone_mcap_kstat_t *zone_mcap_stats;
+	uint64_t	zone_pgpgin;		/* pages paged in */
+	uint64_t	zone_anonpgin;		/* anon pages paged in */
+	uint64_t	zone_execpgin;		/* exec pages paged in */
+	uint64_t	zone_fspgin;		/* fs pages paged in */
+	uint64_t	zone_anon_alloc_fail;	/* cnt of anon alloc fails */
+	uint64_t	zone_pf_throttle;	/* cnt of page flt throttles */
+	uint64_t	zone_pf_throttle_usec;	/* time of page flt throttles */
+
+	/* Num usecs to throttle page fault when zone is over phys. mem cap */
+	uint32_t	zone_pg_flt_delay;
+
+	/*
 	 * Misc. kstats and counters for zone cpu-usage aggregation.
 	 * The zone_Xtime values are the sum of the micro-state accounting
 	 * values for all threads that are running or have run in the zone.
@@ -640,6 +754,7 @@ extern zone_t *zone_find_by_name(char *);
 extern zone_t *zone_find_by_any_path(const char *, boolean_t);
 extern zone_t *zone_find_by_path(const char *);
 extern zoneid_t getzoneid(void);
+extern zoneid_t getzonedid(void);
 extern zone_t *zone_find_by_id_nolock(zoneid_t);
 extern int zone_datalink_walk(zoneid_t, int (*)(datalink_id_t, void *), void *);
 extern int zone_check_datalink(zoneid_t *, datalink_id_t);
@@ -834,6 +949,7 @@ extern int zone_walk(int (*)(zone_t *, void *), void *);
 
 extern rctl_hndl_t rc_zone_locked_mem;
 extern rctl_hndl_t rc_zone_max_swap;
+extern rctl_hndl_t rc_zone_phys_mem;
 extern rctl_hndl_t rc_zone_max_lofi;
 
 #endif	/* _KERNEL */
diff --git a/usr/src/uts/common/syscall/brandsys.c b/usr/src/uts/common/syscall/brandsys.c
index 9b4bd38baa..8ee5511fd0 100644
--- a/usr/src/uts/common/syscall/brandsys.c
+++ b/usr/src/uts/common/syscall/brandsys.c
@@ -23,7 +23,9 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
 
 #include <sys/brand.h>
 #include <sys/systm.h>
@@ -35,7 +37,7 @@
  */
 int64_t
 brandsys(int cmd, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3,
-    uintptr_t arg4, uintptr_t arg5, uintptr_t arg6)
+    uintptr_t arg4, uintptr_t arg5)
 {
 	struct proc *p = curthread->t_procp;
 	int64_t rval = 0;
@@ -49,7 +51,7 @@ brandsys(int cmd, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3,
 		return (set_errno(ENOSYS));
 
 	if ((err = ZBROP(p->p_zone)->b_brandsys(cmd, &rval, arg1, arg2, arg3,
-	    arg4, arg5, arg6)) != 0)
+	    arg4, arg5)) != 0)
 		return (set_errno(err));
 
 	return (rval);
diff --git a/usr/src/uts/common/syscall/fcntl.c b/usr/src/uts/common/syscall/fcntl.c
index 7421957235..d631fe62f6 100644
--- a/usr/src/uts/common/syscall/fcntl.c
+++ b/usr/src/uts/common/syscall/fcntl.c
@@ -22,6 +22,7 @@
 /*
  * Copyright (c) 1994, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
@@ -53,7 +54,8 @@
 
 #include <sys/cmn_err.h>
 
-static int flock_check(vnode_t *, flock64_t *, offset_t, offset_t);
+/* This is global so that it can be used by brand emulation. */
+int flock_check(vnode_t *, flock64_t *, offset_t, offset_t);
 static int flock_get_start(vnode_t *, flock64_t *, offset_t, u_offset_t *);
 static void fd_too_big(proc_t *);
 
@@ -271,11 +273,12 @@ fcntl(int fdes, int cmd, intptr_t arg)
 	 * The file system and vnode layers understand and implement
 	 * locking with flock64 structures. So here once we pass through
 	 * the test for compatibility as defined by LFS API, (for F_SETLK,
-	 * F_SETLKW, F_GETLK, F_GETLKW, F_FREESP) we transform
-	 * the flock structure to a flock64 structure and send it to the
-	 * lower layers. Similarly in case of GETLK the returned flock64
-	 * structure is transformed to a flock structure if everything fits
-	 * in nicely, otherwise we return EOVERFLOW.
+	 * F_SETLKW, F_GETLK, F_GETLKW, F_OFD_GETLK, F_OFD_SETLK, F_OFD_SETLKW,
+	 * F_FREESP) we transform the flock structure to a flock64 structure
+	 * and send it to the lower layers. Similarly in case of GETLK and
+	 * OFD_GETLK the returned flock64 structure is transformed to a flock
+	 * structure if everything fits in nicely, otherwise we return
+	 * EOVERFLOW.
 	 */
 
 	case F_GETLK:
@@ -283,6 +286,11 @@ fcntl(int fdes, int cmd, intptr_t arg)
 	case F_SETLK:
 	case F_SETLKW:
 	case F_SETLK_NBMAND:
+	case F_OFD_GETLK:
+	case F_OFD_SETLK:
+	case F_OFD_SETLKW:
+	case F_FLOCK:
+	case F_FLOCKW:
 
 		/*
 		 * Copy in input fields only.
@@ -345,20 +353,65 @@ fcntl(int fdes, int cmd, intptr_t arg)
 		if ((error = flock_check(vp, &bf, offset, maxoffset)) != 0)
 			break;
 
+		if (cmd == F_FLOCK || cmd == F_FLOCKW) {
+			/* FLOCK* locking is always over the entire file. */
+			if (bf.l_whence != 0 || bf.l_start != 0 ||
+			    bf.l_len != 0) {
+				error = EINVAL;
+				break;
+			}
+			if (bf.l_type < F_RDLCK || bf.l_type > F_UNLCK) {
+				error = EINVAL;
+				break;
+			}
+		}
+
+		if (cmd == F_OFD_SETLK || cmd == F_OFD_SETLKW) {
+			/*
+			 * TBD OFD-style locking is currently limited to
+			 * covering the entire file.
+			 */
+			if (bf.l_whence != 0 || bf.l_start != 0 ||
+			    bf.l_len != 0) {
+				error = EINVAL;
+				break;
+			}
+		}
+
 		/*
 		 * Not all of the filesystems understand F_O_GETLK, and
 		 * there's no need for them to know.  Map it to F_GETLK.
+		 *
+		 * The *_frlock functions in the various file systems basically
+		 * do some validation and then funnel everything through the
+		 * fs_frlock function. For OFD-style locks fs_frlock will do
+		 * nothing so that once control returns here we can call the
+		 * ofdlock function with the correct fp. For OFD-style locks
+		 * the unsupported remote file systems, such as NFS, detect and
+		 * reject the OFD-style cmd argument.
 		 */
 		if ((error = VOP_FRLOCK(vp, (cmd == F_O_GETLK) ? F_GETLK : cmd,
 		    &bf, flag, offset, NULL, fp->f_cred, NULL)) != 0)
 			break;
 
+		if (cmd == F_FLOCK || cmd == F_FLOCKW || cmd == F_OFD_GETLK ||
+		    cmd == F_OFD_SETLK || cmd == F_OFD_SETLKW) {
+			/*
+			 * This is an OFD-style lock so we need to handle it
+			 * here. Because OFD-style locks are associated with
+			 * the file_t we didn't have enough info down the
+			 * VOP_FRLOCK path immediately above.
+			 */
+			if ((error = ofdlock(fp, cmd, &bf, flag, offset)) != 0)
+				break;
+		}
+
 		/*
 		 * If command is GETLK and no lock is found, only
 		 * the type field is changed.
 		 */
-		if ((cmd == F_O_GETLK || cmd == F_GETLK) &&
-		    bf.l_type == F_UNLCK) {
+		if ((cmd == F_O_GETLK || cmd == F_GETLK ||
+		    cmd == F_OFD_GETLK) && bf.l_type == F_UNLCK) {
 			/* l_type always first entry, always a short */
 			if (copyout(&bf.l_type, &((struct flock *)arg)->l_type,
 			    sizeof (bf.l_type)))
@@ -387,7 +440,7 @@ fcntl(int fdes, int cmd, intptr_t arg)
 			obf.l_pid = (int16_t)bf.l_pid;
 			if (copyout(&obf, (void *)arg, sizeof (obf)))
 				error = EFAULT;
-		} else if (cmd == F_GETLK) {
+		} else if (cmd == F_GETLK || cmd == F_OFD_GETLK) {
 			/*
 			 * Copy out SVR4 flock.
 			 */
@@ -591,6 +644,11 @@ fcntl(int fdes, int cmd, intptr_t arg)
 	case F_SETLK64:
 	case F_SETLKW64:
 	case F_SETLK64_NBMAND:
+	case F_OFD_GETLK64:
+	case F_OFD_SETLK64:
+	case F_OFD_SETLKW64:
+	case F_FLOCK64:
+	case F_FLOCKW64:
 		/*
 		 * Large Files: Here we set cmd as *LK and send it to
 		 * lower layers. *LK64 is only for the user land.
@@ -611,6 +669,16 @@ fcntl(int fdes, int cmd, intptr_t arg)
 			cmd = F_SETLKW;
 		else if (cmd == F_SETLK64_NBMAND)
 			cmd = F_SETLK_NBMAND;
+		else if (cmd == F_OFD_GETLK64)
+			cmd = F_OFD_GETLK;
+		else if (cmd == F_OFD_SETLK64)
+			cmd = F_OFD_SETLK;
+		else if (cmd == F_OFD_SETLKW64)
+			cmd = F_OFD_SETLKW;
+		else if (cmd == F_FLOCK64)
+			cmd = F_FLOCK;
+		else if (cmd == F_FLOCKW64)
+			cmd = F_FLOCKW;
 
 		/*
 		 * Note that the size of flock64 is different in the ILP32
@@ -636,18 +704,65 @@ fcntl(int fdes, int cmd, intptr_t arg)
 		if ((error = flock_check(vp, &bf, offset, MAXOFFSET_T)) != 0)
 			break;
 
+		if (cmd == F_FLOCK || cmd == F_FLOCKW) {
+			/* FLOCK* locking is always over the entire file. */
+			if (bf.l_whence != 0 || bf.l_start != 0 ||
+			    bf.l_len != 0) {
+				error = EINVAL;
+				break;
+			}
+			if (bf.l_type < F_RDLCK || bf.l_type > F_UNLCK) {
+				error = EINVAL;
+				break;
+			}
+		}
+
+		if (cmd == F_OFD_SETLK || cmd == F_OFD_SETLKW) {
+			/*
+			 * TBD OFD-style locking is currently limited to
+			 * covering the entire file.
+			 */
+			if (bf.l_whence != 0 || bf.l_start != 0 ||
+			    bf.l_len != 0) {
+				error = EINVAL;
+				break;
+			}
+		}
+
+		/*
+		 * The *_frlock functions in the various file systems basically
+		 * do some validation and then funnel everything through the
+		 * fs_frlock function. For OFD-style locks fs_frlock will do
+		 * nothing so that once control returns here we can call the
+		 * ofdlock function with the correct fp. For OFD-style locks
+		 * the unsupported remote file systems, such as NFS, detect and
+		 * reject the OFD-style cmd argument.
+		 */
 		if ((error = VOP_FRLOCK(vp, cmd, &bf, flag, offset,
 		    NULL, fp->f_cred, NULL)) != 0)
 			break;
 
-		if ((cmd == F_GETLK) && bf.l_type == F_UNLCK) {
+		if (cmd == F_FLOCK || cmd == F_FLOCKW || cmd == F_OFD_GETLK ||
+		    cmd == F_OFD_SETLK || cmd == F_OFD_SETLKW) {
+			/*
+			 * This is an OFD-style lock so we need to handle it
+			 * here. Because OFD-style locks are associated with
+			 * the file_t we didn't have enough info down the
+			 * VOP_FRLOCK path immediately above.
+			 */
+			if ((error = ofdlock(fp, cmd, &bf, flag, offset)) != 0)
+				break;
+		}
+
+		if ((cmd == F_GETLK || cmd == F_OFD_GETLK) &&
+		    bf.l_type == F_UNLCK) {
 			if (copyout(&bf.l_type, &((struct flock *)arg)->l_type,
 			    sizeof (bf.l_type)))
 				error = EFAULT;
 			break;
 		}
 
-		if (cmd == F_GETLK) {
+		if (cmd == F_GETLK || cmd == F_OFD_GETLK) {
 			int i;
 
 			/*
diff --git a/usr/src/uts/common/syscall/lgrpsys.c b/usr/src/uts/common/syscall/lgrpsys.c
index 44d616fa34..1066b94986 100644
--- a/usr/src/uts/common/syscall/lgrpsys.c
+++ b/usr/src/uts/common/syscall/lgrpsys.c
@@ -22,10 +22,9 @@
 /*
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015 Joyent, Inc.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 /*
  * lgroup system calls
  */
@@ -40,6 +39,7 @@
 #include <sys/lgrp_user.h>
 #include <sys/promif.h>		/* for prom_printf() */
 #include <sys/sysmacros.h>
+#include <sys/policy.h>
 
 #include <vm/as.h>
 
@@ -141,6 +141,24 @@ meminfo(int addr_count, struct meminfo *mip)
 	}
 
 	/*
+	 * Validate privs for each req.
+	 */
+	for (i = 0; i < info_count; i++) {
+		switch (req_array[i] & MEMINFO_MASK) {
+		case MEMINFO_VLGRP:
+		case MEMINFO_VPAGESIZE:
+			break;
+		default:
+			if (secpolicy_meminfo(CRED()) != 0) {
+				kmem_free(req_array, req_size);
+				kmem_free(in_array, in_size);
+				return (set_errno(EPERM));
+			}
+			break;
+		}
+	}
+
+	/*
 	 * allocate buffer out_array which holds the results and will have
 	 * to be copied out later
 	 */
diff --git a/usr/src/uts/common/syscall/memcntl.c b/usr/src/uts/common/syscall/memcntl.c
index ae2a0cc45c..721f884a7e 100644
--- a/usr/src/uts/common/syscall/memcntl.c
+++ b/usr/src/uts/common/syscall/memcntl.c
@@ -115,13 +115,17 @@ memcntl(caddr_t addr, size_t len, int cmd, caddr_t arg, int attr, int mask)
 		 * MS_SYNC used to be defined to be zero but is now non-zero.
 		 * For binary compatibility we still accept zero
 		 * (the absence of MS_ASYNC) to mean the same thing.
+		 * Binary compatibility is not an issue for MS_INVALCURPROC.
 		 */
 		iarg = (uintptr_t)arg;
 		if ((iarg & ~MS_INVALIDATE) == 0)
 			iarg |= MS_SYNC;
 
-		if (((iarg & ~(MS_SYNC|MS_ASYNC|MS_INVALIDATE)) != 0) ||
-		    ((iarg & (MS_SYNC|MS_ASYNC)) == (MS_SYNC|MS_ASYNC))) {
+		if (((iarg &
+		    ~(MS_SYNC|MS_ASYNC|MS_INVALIDATE|MS_INVALCURPROC)) != 0) ||
+		    ((iarg & (MS_SYNC|MS_ASYNC)) == (MS_SYNC|MS_ASYNC)) ||
+		    ((iarg & (MS_INVALIDATE|MS_INVALCURPROC)) ==
+		    (MS_INVALIDATE|MS_INVALCURPROC))) {
 			error = set_errno(EINVAL);
 		} else {
 			error = as_ctl(as, addr, len, cmd, attr, iarg, NULL, 0);
@@ -347,7 +351,8 @@ memcntl(caddr_t addr, size_t len, int cmd, caddr_t arg, int attr, int mask)
 		}
 		return (error);
 	case MC_ADVISE:
-		if ((uintptr_t)arg == MADV_FREE) {
+		if ((uintptr_t)arg == MADV_FREE ||
+		    (uintptr_t)arg == MADV_PURGE) {
 			len &= PAGEMASK;
 		}
 		switch ((uintptr_t)arg) {
diff --git a/usr/src/uts/common/syscall/open.c b/usr/src/uts/common/syscall/open.c
index edb04c824b..874e31869c 100644
--- a/usr/src/uts/common/syscall/open.c
+++ b/usr/src/uts/common/syscall/open.c
@@ -74,12 +74,12 @@ copen(int startfd, char *fname, int filemode, int createmode)
 
 	if (filemode & (FSEARCH|FEXEC)) {
 		/*
-		 * Must be one or the other and neither FREAD nor FWRITE
+		 * Must be one or the other.
 		 * Must not be any of FAPPEND FCREAT FTRUNC FXATTR FXATTRDIROPEN
-		 * XXX: Should these just be silently ignored?
+		 * XXX: Should these just be silently ignored like we
+		 * silently ignore FREAD|FWRITE?
 		 */
-		if ((filemode & (FREAD|FWRITE)) ||
-		    (filemode & (FSEARCH|FEXEC)) == (FSEARCH|FEXEC) ||
+		if ((filemode & (FSEARCH|FEXEC)) == (FSEARCH|FEXEC) ||
 		    (filemode & (FAPPEND|FCREAT|FTRUNC|FXATTR|FXATTRDIROPEN)))
 			return (set_errno(EINVAL));
 	}
diff --git a/usr/src/uts/common/syscall/poll.c b/usr/src/uts/common/syscall/poll.c
index 7f37529941..c33156a4fc 100644
--- a/usr/src/uts/common/syscall/poll.c
+++ b/usr/src/uts/common/syscall/poll.c
@@ -29,6 +29,7 @@
 
 /*
  * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -525,13 +526,13 @@ poll_common(pollfd_t *fds, nfds_t nfds, timespec_t *tsp, k_sigset_t *ksetp)
 		}
 
 		/*
-		 * If T_POLLWAKE is set, a pollwakeup() was performed on
+		 * If PC_POLLWAKE is set, a pollwakeup() was performed on
 		 * one of the file descriptors.  This can happen only if
 		 * one of the VOP_POLL() functions dropped pcp->pc_lock.
 		 * The only current cases of this is in procfs (prpoll())
 		 * and STREAMS (strpoll()).
 		 */
-		if (pcp->pc_flag & T_POLLWAKE)
+		if (pcp->pc_flag & PC_POLLWAKE)
 			continue;
 
 		/*
@@ -886,9 +887,9 @@ retry:
 }
 
 /*
- * This function is called to inform a thread that
- * an event being polled for has occurred.
- * The pollstate lock on the thread should be held on entry.
+ * This function is called to inform a thread (or threads) that an event being
+ * polled on has occurred.  The pollstate lock on the thread should be held
+ * on entry.
  */
 void
 pollnotify(pollcache_t *pcp, int fd)
@@ -896,8 +897,8 @@ pollnotify(pollcache_t *pcp, int fd)
 	ASSERT(fd < pcp->pc_mapsize);
 	ASSERT(MUTEX_HELD(&pcp->pc_lock));
 	BT_SET(pcp->pc_bitmap, fd);
-	pcp->pc_flag |= T_POLLWAKE;
-	cv_signal(&pcp->pc_cv);
+	pcp->pc_flag |= PC_POLLWAKE;
+	cv_broadcast(&pcp->pc_cv);
 }
 
 /*
@@ -2024,7 +2025,7 @@ retry:
 				 */
 				if ((pdp->pd_php != NULL) &&
 				    (pollfdp[entry].events == pdp->pd_events) &&
-				    ((pcp->pc_flag & T_POLLWAKE) == 0)) {
+				    ((pcp->pc_flag & PC_POLLWAKE) == 0)) {
 					BT_CLEAR(pcp->pc_bitmap, fd);
 				}
 				/*
@@ -2251,7 +2252,7 @@ pollstate_destroy(pollstate_t *ps)
 	pcacheset_destroy(ps->ps_pcacheset, ps->ps_nsets);
 	ps->ps_pcacheset = NULL;
 	if (ps->ps_dpbuf != NULL) {
-		kmem_free(ps->ps_dpbuf, ps->ps_dpbufsize * sizeof (pollfd_t));
+		kmem_free(ps->ps_dpbuf, ps->ps_dpbufsize);
 		ps->ps_dpbuf = NULL;
 	}
 	mutex_destroy(&ps->ps_lock);
diff --git a/usr/src/uts/common/syscall/rusagesys.c b/usr/src/uts/common/syscall/rusagesys.c
index 3e0e63f4c0..417c629168 100644
--- a/usr/src/uts/common/syscall/rusagesys.c
+++ b/usr/src/uts/common/syscall/rusagesys.c
@@ -21,6 +21,7 @@
 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
  */
 
 /*
@@ -257,6 +258,19 @@ rusagesys(int code, void *arg1, void *arg2, void *arg3, void *arg4)
 	case _RUSAGESYS_GETVMUSAGE:
 		return (vm_getusage((uint_t)(uintptr_t)arg1, (time_t)arg2,
 		    (vmusage_t *)arg3, (size_t *)arg4, 0));
+	case _RUSAGESYS_INVALMAP:
+		/*
+		 * SPARC sfmmu hat does not support HAT_CURPROC_PGUNLOAD
+		 * handling so callers on SPARC should get simple sync
+		 * handling with invalidation to all processes.
+		 */
+#if defined(__sparc)
+		return (memcntl((caddr_t)arg2, (size_t)arg3, MC_SYNC,
+		    (caddr_t)(MS_ASYNC | MS_INVALIDATE), 0, 0));
+#else
+		return (vm_map_inval((pid_t)(uintptr_t)arg1, (caddr_t)arg2,
+		    (size_t)arg3));
+#endif
 	default:
 		return (set_errno(EINVAL));
 	}
diff --git a/usr/src/uts/common/syscall/rw.c b/usr/src/uts/common/syscall/rw.c
index a28894b2c9..943b7d244e 100644
--- a/usr/src/uts/common/syscall/rw.c
+++ b/usr/src/uts/common/syscall/rw.c
@@ -22,7 +22,7 @@
 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
- * Copyright (c) 2015, Joyent, Inc.  All rights reserved.
+ * Copyright 2015, Joyent, Inc.  All rights reserved.
  */
 
 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
@@ -50,6 +50,7 @@
 #include <sys/debug.h>
 #include <sys/rctl.h>
 #include <sys/nbmlock.h>
+#include <sys/limits.h>
 
 #define	COPYOUT_MAX_CACHE	(1<<17)		/* 128K */
 
@@ -607,19 +608,12 @@ out:
 	return (bcount);
 }
 
-/*
- * XXX -- The SVID refers to IOV_MAX, but doesn't define it.  Grrrr....
- * XXX -- However, SVVS expects readv() and writev() to fail if
- * XXX -- iovcnt > 16 (yes, it's hard-coded in the SVVS source),
- * XXX -- so I guess that's the "interface".
- */
-#define	DEF_IOV_MAX	16
-
 ssize_t
 readv(int fdes, struct iovec *iovp, int iovcnt)
 {
 	struct uio auio;
-	struct iovec aiov[DEF_IOV_MAX];
+	struct iovec buf[IOV_MAX_STACK], *aiov = buf;
+	int aiovlen = 0;
 	file_t *fp;
 	register vnode_t *vp;
 	struct cpu *cp;
@@ -630,9 +624,14 @@ readv(int fdes, struct iovec *iovp, int iovcnt)
 	u_offset_t fileoff;
 	int in_crit = 0;
 
-	if (iovcnt <= 0 || iovcnt > DEF_IOV_MAX)
+	if (iovcnt <= 0 || iovcnt > IOV_MAX)
 		return (set_errno(EINVAL));
 
+	if (iovcnt > IOV_MAX_STACK) {
+		aiovlen = iovcnt * sizeof (iovec_t);
+		aiov = kmem_alloc(aiovlen, KM_SLEEP);
+	}
+
 #ifdef _SYSCALL32_IMPL
 	/*
 	 * 32-bit callers need to have their iovec expanded,
@@ -640,36 +639,63 @@ readv(int fdes, struct iovec *iovp, int iovcnt)
 	 * of data in a single call.
 	 */
 	if (get_udatamodel() == DATAMODEL_ILP32) {
-		struct iovec32 aiov32[DEF_IOV_MAX];
+		struct iovec32 buf32[IOV_MAX_STACK], *aiov32 = buf32;
+		int aiov32len;
 		ssize32_t count32;
 
-		if (copyin(iovp, aiov32, iovcnt * sizeof (struct iovec32)))
+		aiov32len = iovcnt * sizeof (iovec32_t);
+		if (aiovlen != 0)
+			aiov32 = kmem_alloc(aiov32len, KM_SLEEP);
+
+		if (copyin(iovp, aiov32, aiov32len)) {
+			if (aiovlen != 0) {
+				kmem_free(aiov32, aiov32len);
+				kmem_free(aiov, aiovlen);
+			}
 			return (set_errno(EFAULT));
+		}
 
 		count32 = 0;
 		for (i = 0; i < iovcnt; i++) {
 			ssize32_t iovlen32 = aiov32[i].iov_len;
 			count32 += iovlen32;
-			if (iovlen32 < 0 || count32 < 0)
+			if (iovlen32 < 0 || count32 < 0) {
+				if (aiovlen != 0) {
+					kmem_free(aiov32, aiov32len);
+					kmem_free(aiov, aiovlen);
+				}
 				return (set_errno(EINVAL));
+			}
 			aiov[i].iov_len = iovlen32;
 			aiov[i].iov_base =
 			    (caddr_t)(uintptr_t)aiov32[i].iov_base;
 		}
+
+		if (aiovlen != 0)
+			kmem_free(aiov32, aiov32len);
 	} else
 #endif
-	if (copyin(iovp, aiov, iovcnt * sizeof (struct iovec)))
+	if (copyin(iovp, aiov, iovcnt * sizeof (iovec_t))) {
+		if (aiovlen != 0)
+			kmem_free(aiov, aiovlen);
 		return (set_errno(EFAULT));
+	}
 
 	count = 0;
 	for (i = 0; i < iovcnt; i++) {
 		ssize_t iovlen = aiov[i].iov_len;
 		count += iovlen;
-		if (iovlen < 0 || count < 0)
+		if (iovlen < 0 || count < 0) {
+			if (aiovlen != 0)
+				kmem_free(aiov, aiovlen);
 			return (set_errno(EINVAL));
+		}
 	}
-	if ((fp = getf(fdes)) == NULL)
+	if ((fp = getf(fdes)) == NULL) {
+		if (aiovlen != 0)
+			kmem_free(aiov, aiovlen);
 		return (set_errno(EBADF));
+	}
 	if (((fflag = fp->f_flag) & FREAD) == 0) {
 		error = EBADF;
 		goto out;
@@ -768,6 +794,8 @@ out:
 	if (in_crit)
 		nbl_end_crit(vp);
 	releasef(fdes);
+	if (aiovlen != 0)
+		kmem_free(aiov, aiovlen);
 	if (error)
 		return (set_errno(error));
 	return (count);
@@ -777,7 +805,8 @@ ssize_t
 writev(int fdes, struct iovec *iovp, int iovcnt)
 {
 	struct uio auio;
-	struct iovec aiov[DEF_IOV_MAX];
+	struct iovec buf[IOV_MAX_STACK], *aiov = buf;
+	int aiovlen = 0;
 	file_t *fp;
 	register vnode_t *vp;
 	struct cpu *cp;
@@ -788,9 +817,14 @@ writev(int fdes, struct iovec *iovp, int iovcnt)
 	u_offset_t fileoff;
 	int in_crit = 0;
 
-	if (iovcnt <= 0 || iovcnt > DEF_IOV_MAX)
+	if (iovcnt <= 0 || iovcnt > IOV_MAX)
 		return (set_errno(EINVAL));
 
+	if (iovcnt > IOV_MAX_STACK) {
+		aiovlen = iovcnt * sizeof (iovec_t);
+		aiov = kmem_alloc(aiovlen, KM_SLEEP);
+	}
+
 #ifdef _SYSCALL32_IMPL
 	/*
 	 * 32-bit callers need to have their iovec expanded,
@@ -798,36 +832,62 @@ writev(int fdes, struct iovec *iovp, int iovcnt)
 	 * of data in a single call.
 	 */
 	if (get_udatamodel() == DATAMODEL_ILP32) {
-		struct iovec32 aiov32[DEF_IOV_MAX];
+		struct iovec32 buf32[IOV_MAX_STACK], *aiov32 = buf32;
+		int aiov32len;
 		ssize32_t count32;
 
-		if (copyin(iovp, aiov32, iovcnt * sizeof (struct iovec32)))
+		aiov32len = iovcnt * sizeof (iovec32_t);
+		if (aiovlen != 0)
+			aiov32 = kmem_alloc(aiov32len, KM_SLEEP);
+
+		if (copyin(iovp, aiov32, aiov32len)) {
+			if (aiovlen != 0) {
+				kmem_free(aiov32, aiov32len);
+				kmem_free(aiov, aiovlen);
+			}
 			return (set_errno(EFAULT));
+		}
 
 		count32 = 0;
 		for (i = 0; i < iovcnt; i++) {
 			ssize32_t iovlen = aiov32[i].iov_len;
 			count32 += iovlen;
-			if (iovlen < 0 || count32 < 0)
+			if (iovlen < 0 || count32 < 0) {
+				if (aiovlen != 0) {
+					kmem_free(aiov32, aiov32len);
+					kmem_free(aiov, aiovlen);
+				}
 				return (set_errno(EINVAL));
+			}
 			aiov[i].iov_len = iovlen;
 			aiov[i].iov_base =
 			    (caddr_t)(uintptr_t)aiov32[i].iov_base;
 		}
+		if (aiovlen != 0)
+			kmem_free(aiov32, aiov32len);
 	} else
 #endif
-	if (copyin(iovp, aiov, iovcnt * sizeof (struct iovec)))
+	if (copyin(iovp, aiov, iovcnt * sizeof (iovec_t))) {
+		if (aiovlen != 0)
+			kmem_free(aiov, aiovlen);
 		return (set_errno(EFAULT));
+	}
 
 	count = 0;
 	for (i = 0; i < iovcnt; i++) {
 		ssize_t iovlen = aiov[i].iov_len;
 		count += iovlen;
-		if (iovlen < 0 || count < 0)
+		if (iovlen < 0 || count < 0) {
+			if (aiovlen != 0)
+				kmem_free(aiov, aiovlen);
 			return (set_errno(EINVAL));
+		}
 	}
-	if ((fp = getf(fdes)) == NULL)
+	if ((fp = getf(fdes)) == NULL) {
+		if (aiovlen != 0)
+			kmem_free(aiov, aiovlen);
 		return (set_errno(EBADF));
+	}
 	if (((fflag = fp->f_flag) & FWRITE) == 0) {
 		error = EBADF;
 		goto out;
@@ -917,6 +977,8 @@ out:
 	if (in_crit)
 		nbl_end_crit(vp);
 	releasef(fdes);
+	if (aiovlen != 0)
+		kmem_free(aiov, aiovlen);
 	if (error)
 		return (set_errno(error));
 	return (count);
@@ -927,7 +989,8 @@ preadv(int fdes, struct iovec *iovp, int iovcnt, off_t offset,
     off_t extended_offset)
 {
 	struct uio auio;
-	struct iovec aiov[DEF_IOV_MAX];
+	struct iovec buf[IOV_MAX_STACK], *aiov = buf;
+	int aiovlen = 0;
 	file_t *fp;
 	register vnode_t *vp;
 	struct cpu *cp;
@@ -952,9 +1015,14 @@ preadv(int fdes, struct iovec *iovp, int iovcnt, off_t offset,
 
 	int in_crit = 0;
 
-	if (iovcnt <= 0 || iovcnt > DEF_IOV_MAX)
+	if (iovcnt <= 0 || iovcnt > IOV_MAX)
 		return (set_errno(EINVAL));
 
+	if (iovcnt > IOV_MAX_STACK) {
+		aiovlen = iovcnt * sizeof (iovec_t);
+		aiov = kmem_alloc(aiovlen, KM_SLEEP);
+	}
+
 #ifdef _SYSCALL32_IMPL
 	/*
 	 * 32-bit callers need to have their iovec expanded,
@@ -962,39 +1030,68 @@ preadv(int fdes, struct iovec *iovp, int iovcnt, off_t offset,
 	 * of data in a single call.
 	 */
 	if (get_udatamodel() == DATAMODEL_ILP32) {
-		struct iovec32 aiov32[DEF_IOV_MAX];
+		struct iovec32 buf32[IOV_MAX_STACK], *aiov32 = buf32;
+		int aiov32len;
 		ssize32_t count32;
 
-		if (copyin(iovp, aiov32, iovcnt * sizeof (struct iovec32)))
+		aiov32len = iovcnt * sizeof (iovec32_t);
+		if (aiovlen != 0)
+			aiov32 = kmem_alloc(aiov32len, KM_SLEEP);
+
+		if (copyin(iovp, aiov32, aiov32len)) {
+			if (aiovlen != 0) {
+				kmem_free(aiov32, aiov32len);
+				kmem_free(aiov, aiovlen);
+			}
 			return (set_errno(EFAULT));
+		}
 
 		count32 = 0;
 		for (i = 0; i < iovcnt; i++) {
 			ssize32_t iovlen32 = aiov32[i].iov_len;
 			count32 += iovlen32;
-			if (iovlen32 < 0 || count32 < 0)
+			if (iovlen32 < 0 || count32 < 0) {
+				if (aiovlen != 0) {
+					kmem_free(aiov32, aiov32len);
+					kmem_free(aiov, aiovlen);
+				}
 				return (set_errno(EINVAL));
+			}
 			aiov[i].iov_len = iovlen32;
 			aiov[i].iov_base =
 			    (caddr_t)(uintptr_t)aiov32[i].iov_base;
 		}
+		if (aiovlen != 0)
+			kmem_free(aiov32, aiov32len);
 	} else
 #endif /* _SYSCALL32_IMPL */
-		if (copyin(iovp, aiov, iovcnt * sizeof (struct iovec)))
+		if (copyin(iovp, aiov, iovcnt * sizeof (iovec_t))) {
+			if (aiovlen != 0)
+				kmem_free(aiov, aiovlen);
 			return (set_errno(EFAULT));
+		}
 
 	count = 0;
 	for (i = 0; i < iovcnt; i++) {
 		ssize_t iovlen = aiov[i].iov_len;
 		count += iovlen;
-		if (iovlen < 0 || count < 0)
+		if (iovlen < 0 || count < 0) {
+			if (aiovlen != 0)
+				kmem_free(aiov, aiovlen);
 			return (set_errno(EINVAL));
+		}
 	}
 
-	if ((bcount = (ssize_t)count) < 0)
+	if ((bcount = (ssize_t)count) < 0) {
+		if (aiovlen != 0)
+			kmem_free(aiov, aiovlen);
 		return (set_errno(EINVAL));
-	if ((fp = getf(fdes)) == NULL)
+	}
+	if ((fp = getf(fdes)) == NULL) {
+		if (aiovlen != 0)
+			kmem_free(aiov, aiovlen);
 		return (set_errno(EBADF));
+	}
 	if (((fflag = fp->f_flag) & FREAD) == 0) {
 		error = EBADF;
 		goto out;
@@ -1099,6 +1196,8 @@ out:
 	if (in_crit)
 		nbl_end_crit(vp);
 	releasef(fdes);
+	if (aiovlen != 0)
+		kmem_free(aiov, aiovlen);
 	if (error)
 		return (set_errno(error));
 	return (count);
@@ -1109,7 +1208,8 @@ pwritev(int fdes, struct iovec *iovp, int iovcnt, off_t offset,
     off_t extended_offset)
 {
 	struct uio auio;
-	struct iovec aiov[DEF_IOV_MAX];
+	struct iovec buf[IOV_MAX_STACK], *aiov = buf;
+	int aiovlen = 0;
 	file_t *fp;
 	register vnode_t *vp;
 	struct cpu *cp;
@@ -1134,9 +1234,14 @@ pwritev(int fdes, struct iovec *iovp, int iovcnt, off_t offset,
 
 	int in_crit = 0;
 
-	if (iovcnt <= 0 || iovcnt > DEF_IOV_MAX)
+	if (iovcnt <= 0 || iovcnt > IOV_MAX)
 		return (set_errno(EINVAL));
 
+	if (iovcnt > IOV_MAX_STACK) {
+		aiovlen = iovcnt * sizeof (iovec_t);
+		aiov = kmem_alloc(aiovlen, KM_SLEEP);
+	}
+
 #ifdef _SYSCALL32_IMPL
 	/*
 	 * 32-bit callers need to have their iovec expanded,
@@ -1144,39 +1249,68 @@ pwritev(int fdes, struct iovec *iovp, int iovcnt, off_t offset,
 	 * of data in a single call.
 	 */
 	if (get_udatamodel() == DATAMODEL_ILP32) {
-		struct iovec32 aiov32[DEF_IOV_MAX];
+		struct iovec32 buf32[IOV_MAX_STACK], *aiov32 = buf32;
+		int aiov32len;
 		ssize32_t count32;
 
-		if (copyin(iovp, aiov32, iovcnt * sizeof (struct iovec32)))
+		aiov32len = iovcnt * sizeof (iovec32_t);
+		if (aiovlen != 0)
+			aiov32 = kmem_alloc(aiov32len, KM_SLEEP);
+
+		if (copyin(iovp, aiov32, aiov32len)) {
+			if (aiovlen != 0) {
+				kmem_free(aiov32, aiov32len);
+				kmem_free(aiov, aiovlen);
+			}
 			return (set_errno(EFAULT));
+		}
 
 		count32 = 0;
 		for (i = 0; i < iovcnt; i++) {
 			ssize32_t iovlen32 = aiov32[i].iov_len;
 			count32 += iovlen32;
-			if (iovlen32 < 0 || count32 < 0)
+			if (iovlen32 < 0 || count32 < 0) {
+				if (aiovlen != 0) {
+					kmem_free(aiov32, aiov32len);
+					kmem_free(aiov, aiovlen);
+				}
 				return (set_errno(EINVAL));
+			}
 			aiov[i].iov_len = iovlen32;
 			aiov[i].iov_base =
 			    (caddr_t)(uintptr_t)aiov32[i].iov_base;
 		}
+		if (aiovlen != 0)
+			kmem_free(aiov32, aiov32len);
 	} else
 #endif /* _SYSCALL32_IMPL */
-		if (copyin(iovp, aiov, iovcnt * sizeof (struct iovec)))
+		if (copyin(iovp, aiov, iovcnt * sizeof (iovec_t))) {
+			if (aiovlen != 0)
+				kmem_free(aiov, aiovlen);
 			return (set_errno(EFAULT));
+		}
 
 	count = 0;
 	for (i = 0; i < iovcnt; i++) {
 		ssize_t iovlen = aiov[i].iov_len;
 		count += iovlen;
-		if (iovlen < 0 || count < 0)
+		if (iovlen < 0 || count < 0) {
+			if (aiovlen != 0)
+				kmem_free(aiov, aiovlen);
 			return (set_errno(EINVAL));
+		}
 	}
 
-	if ((bcount = (ssize_t)count) < 0)
+	if ((bcount = (ssize_t)count) < 0) {
+		if (aiovlen != 0)
+			kmem_free(aiov, aiovlen);
 		return (set_errno(EINVAL));
-	if ((fp = getf(fdes)) == NULL)
+	}
+	if ((fp = getf(fdes)) == NULL) {
+		if (aiovlen != 0)
+			kmem_free(aiov, aiovlen);
 		return (set_errno(EBADF));
+	}
 	if (((fflag = fp->f_flag) & FWRITE) == 0) {
 		error = EBADF;
 		goto out;
@@ -1308,6 +1442,8 @@ out:
 	if (in_crit)
 		nbl_end_crit(vp);
 	releasef(fdes);
+	if (aiovlen != 0)
+		kmem_free(aiov, aiovlen);
 	if (error)
 		return (set_errno(error));
 	return (count);
diff --git a/usr/src/uts/common/syscall/sendfile.c b/usr/src/uts/common/syscall/sendfile.c
index cb8246f584..ccceca7c6d 100644
--- a/usr/src/uts/common/syscall/sendfile.c
+++ b/usr/src/uts/common/syscall/sendfile.c
@@ -82,7 +82,7 @@ extern sotpi_info_t *sotpi_sototpi(struct sonode *);
  * 64 bit kernel or 32 bit kernel. For 32 bit apps, we can't transfer
  * more than 2GB of data.
  */
-int
+static int
 sendvec_chunk64(file_t *fp, u_offset_t *fileoff, struct ksendfilevec64 *sfv,
     int copy_cnt, ssize32_t *count)
 {
@@ -343,7 +343,7 @@ sendvec_chunk64(file_t *fp, u_offset_t *fileoff, struct ksendfilevec64 *sfv,
 	return (0);
 }
 
-ssize32_t
+static ssize32_t
 sendvec64(file_t *fp, const struct ksendfilevec64 *vec, int sfvcnt,
 	size32_t *xferred, int fildes)
 {
@@ -390,7 +390,7 @@ sendvec64(file_t *fp, const struct ksendfilevec64 *vec, int sfvcnt,
 }
 #endif
 
-int
+static int
 sendvec_small_chunk(file_t *fp, u_offset_t *fileoff, struct sendfilevec *sfv,
     int copy_cnt, ssize_t total_size, int maxblk, ssize_t *count)
 {
@@ -680,7 +680,7 @@ sendvec_small_chunk(file_t *fp, u_offset_t *fileoff, struct sendfilevec *sfv,
 }
 
 
-int
+static int
 sendvec_chunk(file_t *fp, u_offset_t *fileoff, struct sendfilevec *sfv,
     int copy_cnt, ssize_t *count)
 {
@@ -1160,6 +1160,17 @@ sendfilev(int opcode, int fildes, const struct sendfilevec *vec, int sfvcnt,
 		} else {
 			maxblk = (int)vp->v_stream->sd_maxblk;
 		}
+
+		/*
+		 * We need to make sure that the socket that we're sending on
+		 * supports sendfile behavior. sockfs doesn't know that the APIs
+		 * we want to use are coming from sendfile, so we can't rely on
+		 * it to check for us.
+		 */
+		if ((so->so_mode & SM_SENDFILESUPP) == 0) {
+			error = EOPNOTSUPP;
+			goto err;
+		}
 		break;
 	case VREG:
 		break;
diff --git a/usr/src/uts/common/syscall/sysconfig.c b/usr/src/uts/common/syscall/sysconfig.c
index 03f2fabe13..26ea859224 100644
--- a/usr/src/uts/common/syscall/sysconfig.c
+++ b/usr/src/uts/common/syscall/sysconfig.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2012 Joyent, Inc.  All rights reserved.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -170,8 +171,8 @@ sysconfig(int which)
 		 * even though rcapd can be used on the global zone too.
 		 */
 		if (!INGLOBALZONE(curproc) &&
-		    curproc->p_zone->zone_phys_mcap != 0)
-			return (MIN(btop(curproc->p_zone->zone_phys_mcap),
+		    curproc->p_zone->zone_phys_mem_ctl != UINT64_MAX)
+			return (MIN(btop(curproc->p_zone->zone_phys_mem_ctl),
 			    physinstalled));
 
 		return (physinstalled);
@@ -179,26 +180,23 @@ sysconfig(int which)
 	case _CONFIG_AVPHYS_PAGES:
 		/*
 		 * If the non-global zone has a phys. memory cap, use
-		 * the phys. memory cap - zone's current rss.  We always
+		 * the phys. memory cap - zone's rss.  We always
 		 * report the system-wide value for the global zone, even
-		 * though rcapd can be used on the global zone too.
+		 * though memory capping can be used on the global zone too.
+		 * We use the cached value for the RSS since vm_getusage()
+		 * is so expensive and we don't need this value to be exact.
 		 */
 		if (!INGLOBALZONE(curproc) &&
-		    curproc->p_zone->zone_phys_mcap != 0) {
+		    curproc->p_zone->zone_phys_mem_ctl != UINT64_MAX) {
 			pgcnt_t cap, rss, free;
-			vmusage_t in_use;
-			size_t cnt = 1;
 
-			cap = btop(curproc->p_zone->zone_phys_mcap);
+			cap = btop(curproc->p_zone->zone_phys_mem_ctl);
 			if (cap > physinstalled)
 				return (freemem);
 
-			if (vm_getusage(VMUSAGE_ZONE, 1, &in_use, &cnt,
-			    FKIOCTL) != 0)
-				in_use.vmu_rss_all = 0;
-			rss = btop(in_use.vmu_rss_all);
+			rss = btop(curproc->p_zone->zone_phys_mem);
 			/*
-			 * Because rcapd implements a soft cap, it is possible
+			 * Because this is a soft cap, it is possible
 			 * for rss to be temporarily over the cap.
 			 */
 			if (cap > rss)
diff --git a/usr/src/uts/common/syscall/uadmin.c b/usr/src/uts/common/syscall/uadmin.c
index 2dda4001bf..68aa1a95f5 100644
--- a/usr/src/uts/common/syscall/uadmin.c
+++ b/usr/src/uts/common/syscall/uadmin.c
@@ -78,7 +78,7 @@ volatile int fastreboot_dryrun = 0;
  * system with many zones.
  */
 void
-killall(zoneid_t zoneid)
+killall(zoneid_t zoneid, boolean_t force)
 {
 	proc_t *p;
 
@@ -108,7 +108,7 @@ killall(zoneid_t zoneid)
 		    p->p_stat != SIDL &&
 		    p->p_stat != SZOMB) {
 			mutex_enter(&p->p_lock);
-			if (sigismember(&p->p_sig, SIGKILL)) {
+			if (!force && sigismember(&p->p_sig, SIGKILL)) {
 				mutex_exit(&p->p_lock);
 				p = p->p_next;
 			} else {
@@ -245,7 +245,7 @@ kadmin(int cmd, int fcn, void *mdep, cred_t *credp)
 		 */
 		zone_shutdown_global();
 
-		killall(ALL_ZONES);
+		killall(ALL_ZONES, B_FALSE);
 		/*
 		 * If we are calling kadmin() from a kernel context then we
 		 * do not release these resources.
diff --git a/usr/src/uts/common/vm/anon.h b/usr/src/uts/common/vm/anon.h
index 2a39c896bc..1273b984fb 100644
--- a/usr/src/uts/common/vm/anon.h
+++ b/usr/src/uts/common/vm/anon.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 1986, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
@@ -390,7 +391,8 @@ extern int	anon_fill_cow_holes(struct seg *, caddr_t, struct anon_hdr *,
 		    uint_t, struct vpage [], struct cred *);
 extern void	anon_free(struct anon_hdr *, ulong_t, size_t);
 extern void	anon_free_pages(struct anon_hdr *, ulong_t, size_t, uint_t);
-extern void	anon_disclaim(struct anon_map *, ulong_t, size_t);
+extern int	anon_disclaim(struct anon_map *,
+		    ulong_t, size_t, uint_t, pgcnt_t *);
 extern int	anon_getpage(struct anon **, uint_t *, struct page **,
 		    size_t, struct seg *, caddr_t, enum seg_rw, struct cred *);
 extern int	swap_getconpage(struct vnode *, u_offset_t, size_t,
diff --git a/usr/src/uts/common/vm/hat.h b/usr/src/uts/common/vm/hat.h
index 1d91475e38..c908a9e16c 100644
--- a/usr/src/uts/common/vm/hat.h
+++ b/usr/src/uts/common/vm/hat.h
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -269,7 +270,12 @@ void	hat_kpm_walk(void (*)(void *, void *, size_t), void *);
  *	call.
  *
  * int hat_pageunload(pp, forceflag)
- *	unload all translations attached to pp.
+ *	Unload all translations attached to pp. On x86 the bulk of the work is
+ *	done by hat_page_inval.
+ *
+ * void	hat_page_inval(pp, pgsz, curhat)
+ *	Unload translations attached to pp. If curhat is provided, only the
+ *	translation for that process is unloaded, otherwise all are unloaded.
  *
  * uint_t hat_pagesync(pp, flags)
  *	get hw stats from hardware into page struct and reset hw stats
@@ -291,6 +297,7 @@ void	hat_page_setattr(struct page *, uint_t);
 void	hat_page_clrattr(struct page *, uint_t);
 uint_t	hat_page_getattr(struct page *, uint_t);
 int	hat_pageunload(struct page *, uint_t);
+void	hat_page_inval(struct page *, uint_t, struct hat *);
 uint_t	hat_pagesync(struct page *, uint_t);
 ulong_t	hat_page_getshare(struct page *);
 int	hat_page_checkshare(struct page *, ulong_t);
@@ -460,6 +467,7 @@ void	hat_setstat(struct as *, caddr_t, size_t, uint_t);
  */
 #define	HAT_ADV_PGUNLOAD	0x00
 #define	HAT_FORCE_PGUNLOAD	0x01
+#define	HAT_CURPROC_PGUNLOAD	0x02
 
 /*
  * Attributes for hat_page_*attr, hat_setstats and
diff --git a/usr/src/uts/common/vm/seg_spt.c b/usr/src/uts/common/vm/seg_spt.c
index 8d85fbaef7..2b0b7d60b9 100644
--- a/usr/src/uts/common/vm/seg_spt.c
+++ b/usr/src/uts/common/vm/seg_spt.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 1993, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
  */
 
 #include <sys/param.h>
@@ -2880,7 +2881,7 @@ segspt_shmadvise(struct seg *seg, caddr_t addr, size_t len, uint_t behav)
 
 	ASSERT(seg->s_as && AS_LOCK_HELD(seg->s_as, &seg->s_as->a_lock));
 
-	if (behav == MADV_FREE) {
+	if (behav == MADV_FREE || behav == MADV_PURGE) {
 		if ((sptd->spt_flags & SHM_PAGEABLE) == 0)
 			return (0);
 
@@ -2891,7 +2892,7 @@ segspt_shmadvise(struct seg *seg, caddr_t addr, size_t len, uint_t behav)
 		if ((ppa = sptd->spt_ppa) == NULL) {
 			mutex_exit(&sptd->spt_lock);
 			ANON_LOCK_ENTER(&amp->a_rwlock, RW_READER);
-			anon_disclaim(amp, pg_idx, len);
+			(void) anon_disclaim(amp, pg_idx, len, behav, NULL);
 			ANON_LOCK_EXIT(&amp->a_rwlock);
 			return (0);
 		}
@@ -2950,7 +2951,7 @@ segspt_shmadvise(struct seg *seg, caddr_t addr, size_t len, uint_t behav)
 		}
 
 		ANON_LOCK_ENTER(&amp->a_rwlock, RW_READER);
-		anon_disclaim(amp, pg_idx, len);
+		(void) anon_disclaim(amp, pg_idx, len, behav, NULL);
 		ANON_LOCK_EXIT(&amp->a_rwlock);
 	} else if (lgrp_optimizations() && (behav == MADV_ACCESS_LWP ||
 	    behav == MADV_ACCESS_MANY || behav == MADV_ACCESS_DEFAULT)) {
diff --git a/usr/src/uts/common/vm/seg_vn.c b/usr/src/uts/common/vm/seg_vn.c
index 7e514ba1c9..8f7afb7ba0 100644
--- a/usr/src/uts/common/vm/seg_vn.c
+++ b/usr/src/uts/common/vm/seg_vn.c
@@ -7329,7 +7329,8 @@ segvn_sync(struct seg *seg, caddr_t addr, size_t len, int attr, uint_t flags)
 	vpp = svd->vpage;
 	offset = svd->offset + (uintptr_t)(addr - seg->s_base);
 	bflags = ((flags & MS_ASYNC) ? B_ASYNC : 0) |
-	    ((flags & MS_INVALIDATE) ? B_INVAL : 0);
+	    ((flags & MS_INVALIDATE) ? B_INVAL : 0) |
+	    ((flags & MS_INVALCURPROC) ? (B_INVALCURONLY | B_INVAL) : 0);
 
 	if (attr) {
 		pageprot = attr & ~(SHARED|PRIVATE);
@@ -7354,11 +7355,11 @@ segvn_sync(struct seg *seg, caddr_t addr, size_t len, int attr, uint_t flags)
 			vpp = &svd->vpage[seg_page(seg, addr)];
 
 	} else if (svd->vp && svd->amp == NULL &&
-	    (flags & MS_INVALIDATE) == 0) {
+	    (flags & (MS_INVALIDATE | MS_INVALCURPROC)) == 0) {
 
 		/*
-		 * No attributes, no anonymous pages and MS_INVALIDATE flag
-		 * is not on, just use one big request.
+		 * No attributes, no anonymous pages and MS_INVAL* flags
+		 * are not on, just use one big request.
 		 */
 		err = VOP_PUTPAGE(svd->vp, (offset_t)offset, len,
 		    bflags, svd->cred, NULL);
@@ -7410,7 +7411,7 @@ segvn_sync(struct seg *seg, caddr_t addr, size_t len, int attr, uint_t flags)
 		 * might race in and lock the page after we unlock and before
 		 * we do the PUTPAGE, then PUTPAGE simply does nothing.
 		 */
-		if (flags & MS_INVALIDATE) {
+		if (flags & (MS_INVALIDATE | MS_INVALCURPROC)) {
 			if ((pp = page_lookup(vp, off, SE_SHARED)) != NULL) {
 				if (pp->p_lckcnt != 0 || pp->p_cowcnt != 0) {
 					page_unlock(pp);
@@ -8064,7 +8065,7 @@ out:
 
 /*
  * Set advice from user for specified pages
- * There are 9 types of advice:
+ * There are 10 types of advice:
  *	MADV_NORMAL	- Normal (default) behavior (whatever that is)
  *	MADV_RANDOM	- Random page references
  *				do not allow readahead or 'klustering'
@@ -8078,6 +8079,7 @@ out:
  *	MADV_ACCESS_DEFAULT- Default access
  *	MADV_ACCESS_LWP	- Next LWP will access heavily
  *	MADV_ACCESS_MANY- Many LWPs or processes will access heavily
+ *	MADV_PURGE	- Contents will be immediately discarded
  */
 static int
 segvn_advise(struct seg *seg, caddr_t addr, size_t len, uint_t behav)
@@ -8096,10 +8098,10 @@ segvn_advise(struct seg *seg, caddr_t addr, size_t len, uint_t behav)
 	ASSERT(seg->s_as && AS_LOCK_HELD(seg->s_as, &seg->s_as->a_lock));
 
 	/*
-	 * In case of MADV_FREE, we won't be modifying any segment private
-	 * data structures; so, we only need to grab READER's lock
+	 * In case of MADV_FREE/MADV_PURGE, we won't be modifying any segment
+	 * private data structures; so, we only need to grab READER's lock
 	 */
-	if (behav != MADV_FREE) {
+	if (behav != MADV_FREE && behav != MADV_PURGE) {
 		SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_WRITER);
 		if (svd->tr_state != SEGVN_TR_OFF) {
 			SEGVN_LOCK_EXIT(seg->s_as, &svd->lock);
@@ -8175,27 +8177,65 @@ segvn_advise(struct seg *seg, caddr_t addr, size_t len, uint_t behav)
 
 	amp = svd->amp;
 	vp = svd->vp;
-	if (behav == MADV_FREE) {
-		/*
-		 * MADV_FREE is not supported for segments with
-		 * underlying object; if anonmap is NULL, anon slots
-		 * are not yet populated and there is nothing for
-		 * us to do. As MADV_FREE is advisory, we don't
-		 * return error in either case.
-		 */
-		if (vp != NULL || amp == NULL) {
+	if (behav == MADV_FREE || behav == MADV_PURGE) {
+		pgcnt_t purged;
+
+		if (behav == MADV_FREE && (vp != NULL || amp == NULL)) {
+			/*
+			 * MADV_FREE is not supported for segments with an
+			 * underlying object; if anonmap is NULL, anon slots
+			 * are not yet populated and there is nothing for us
+			 * to do. As MADV_FREE is advisory, we don't return an
+			 * error in either case.
+			 */
 			SEGVN_LOCK_EXIT(seg->s_as, &svd->lock);
 			return (0);
 		}
 
+		if (amp == NULL) {
+			/*
+			 * If we're here with a NULL anonmap, it's because we
+			 * are doing a MADV_PURGE.  We have nothing to do, but
+			 * because MADV_PURGE isn't merely advisory, we return
+			 * an error in this case.
+			 */
+			SEGVN_LOCK_EXIT(seg->s_as, &svd->lock);
+			return (EBUSY);
+		}
+
 		segvn_purge(seg);
 
 		page = seg_page(seg, addr);
 		ANON_LOCK_ENTER(&amp->a_rwlock, RW_READER);
-		anon_disclaim(amp, svd->anon_index + page, len);
+		err = anon_disclaim(amp,
+		    svd->anon_index + page, len, behav, &purged);
+
+		if (purged != 0 && (svd->flags & MAP_NORESERVE)) {
+			/*
+			 * If we purged pages on a MAP_NORESERVE mapping, we
+			 * need to be sure to now unreserve our reserved swap.
+			 * (We use the atomic operations to manipulate our
+			 * segment and address space counters because we only
+			 * have the corresponding locks held as reader, not
+			 * writer.)
+			 */
+			ssize_t bytes = ptob(purged);
+
+			anon_unresv_zone(bytes, seg->s_as->a_proc->p_zone);
+			atomic_add_long(&svd->swresv, -bytes);
+			atomic_add_long(&seg->s_as->a_resvsize, -bytes);
+		}
+
 		ANON_LOCK_EXIT(&amp->a_rwlock);
 		SEGVN_LOCK_EXIT(seg->s_as, &svd->lock);
-		return (0);
+
+		/*
+		 * MADV_PURGE and MADV_FREE differ in their return semantics:
+		 * because MADV_PURGE is designed to be bug-for-bug compatible
+		 * with its clumsy Linux forebear, it will fail where MADV_FREE
+		 * does not.
+		 */
+		return (behav == MADV_PURGE ? err : 0);
 	}
 
 	/*
@@ -8301,6 +8341,7 @@ segvn_advise(struct seg *seg, caddr_t addr, size_t len, uint_t behav)
 		case MADV_WILLNEED:	/* handled in memcntl */
 		case MADV_DONTNEED:	/* handled in memcntl */
 		case MADV_FREE:		/* handled above */
+		case MADV_PURGE:	/* handled above */
 			break;
 		default:
 			err = EINVAL;
@@ -8536,6 +8577,7 @@ segvn_advise(struct seg *seg, caddr_t addr, size_t len, uint_t behav)
 		case MADV_WILLNEED:	/* handled in memcntl */
 		case MADV_DONTNEED:	/* handled in memcntl */
 		case MADV_FREE:		/* handled above */
+		case MADV_PURGE:	/* handled above */
 			break;
 		default:
 			err = EINVAL;
diff --git a/usr/src/uts/common/vm/vm_anon.c b/usr/src/uts/common/vm/vm_anon.c
index fdf9f7790c..01db9b23d7 100644
--- a/usr/src/uts/common/vm/vm_anon.c
+++ b/usr/src/uts/common/vm/vm_anon.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 1986, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -787,13 +788,21 @@ anon_resvmem(size_t size, boolean_t takemem, zone_t *zone, int tryhard)
 	pgcnt_t pswap_pages = 0;
 	proc_t *p = curproc;
 
-	if (zone != NULL && takemem) {
+	if (zone != NULL) {
 		/* test zone.max-swap resource control */
 		mutex_enter(&p->p_lock);
 		if (rctl_incr_swap(p, zone, ptob(npages)) != 0) {
 			mutex_exit(&p->p_lock);
+
+			if (takemem)
+				atomic_add_64(&zone->zone_anon_alloc_fail, 1);
+
 			return (0);
 		}
+
+		if (!takemem)
+			rctl_decr_swap(zone, ptob(npages));
+
 		mutex_exit(&p->p_lock);
 	}
 	mutex_enter(&anoninfo_lock);
@@ -1660,8 +1669,9 @@ anon_free_pages(
 /*
  * Make anonymous pages discardable
  */
-void
-anon_disclaim(struct anon_map *amp, ulong_t index, size_t size)
+int
+anon_disclaim(struct anon_map *amp, ulong_t index, size_t size,
+    uint_t behav, pgcnt_t *purged)
 {
 	spgcnt_t npages = btopr(size);
 	struct anon *ap;
@@ -1669,11 +1679,13 @@ anon_disclaim(struct anon_map *amp, ulong_t index, size_t size)
 	anoff_t off;
 	page_t *pp, *root_pp;
 	kmutex_t *ahm;
-	pgcnt_t pgcnt;
+	pgcnt_t pgcnt, npurged = 0;
 	ulong_t old_idx, idx, i;
 	struct anon_hdr *ahp = amp->ahp;
 	anon_sync_obj_t cookie;
+	int err = 0;
 
+	VERIFY(behav == MADV_FREE || behav == MADV_PURGE);
 	ASSERT(RW_READ_HELD(&amp->a_rwlock));
 	pgcnt = 1;
 	for (; npages > 0; index = (pgcnt == 1) ? index + 1 :
@@ -1721,6 +1733,7 @@ anon_disclaim(struct anon_map *amp, ulong_t index, size_t size)
 			page_unlock(pp);
 			segadvstat.MADV_FREE_miss.value.ul++;
 			anon_array_exit(&cookie);
+			err = EBUSY;
 			continue;
 		}
 
@@ -1738,6 +1751,15 @@ anon_disclaim(struct anon_map *amp, ulong_t index, size_t size)
 			continue;
 		}
 
+		if (behav == MADV_PURGE && pp->p_szc != 0) {
+			/*
+			 * If we're purging and we have a large page, simplify
+			 * things a bit by demoting ourselves into the base
+			 * page case.
+			 */
+			(void) page_try_demote_pages(pp);
+		}
+
 		if (pp->p_szc == 0) {
 			pgcnt = 1;
 
@@ -1750,7 +1772,27 @@ anon_disclaim(struct anon_map *amp, ulong_t index, size_t size)
 				ap->an_pvp = NULL;
 				ap->an_poff = 0;
 			}
-			mutex_exit(ahm);
+
+			if (behav == MADV_PURGE) {
+				/*
+				 * If we're purging (instead of merely freeing),
+				 * rip out this anon structure entirely to
+				 * assure that any subsequent fault pulls from
+				 * the backing vnode (if any).
+				 */
+				if (--ap->an_refcnt == 0)
+					anon_rmhash(ap);
+
+				mutex_exit(ahm);
+				(void) anon_set_ptr(ahp, index,
+				    NULL, ANON_SLEEP);
+				npurged++;
+				ANI_ADD(1);
+				kmem_cache_free(anon_cache, ap);
+			} else {
+				mutex_exit(ahm);
+			}
+
 			segadvstat.MADV_FREE_hit.value.ul++;
 
 			/*
@@ -1759,7 +1801,9 @@ anon_disclaim(struct anon_map *amp, ulong_t index, size_t size)
 			 */
 			(void) hat_pageunload(pp, HAT_FORCE_PGUNLOAD);
 			/*LINTED: constant in conditional context */
-			VN_DISPOSE(pp, B_FREE, 0, kcred);
+			VN_DISPOSE(pp,
+			    behav == MADV_FREE ? B_FREE : B_INVAL, 0, kcred);
+
 			anon_array_exit(&cookie);
 			continue;
 		}
@@ -1771,6 +1815,7 @@ anon_disclaim(struct anon_map *amp, ulong_t index, size_t size)
 				page_unlock(pp);
 				segadvstat.MADV_FREE_miss.value.ul++;
 				anon_array_exit(&cookie);
+				err = EBUSY;
 				continue;
 			} else {
 				pgcnt = 1;
@@ -1842,6 +1887,11 @@ skiplp:
 			page_unlock(pp);
 		anon_array_exit(&cookie);
 	}
+
+	if (purged != NULL)
+		*purged = npurged;
+
+	return (err);
 }
 
 /*
diff --git a/usr/src/uts/common/vm/vm_as.c b/usr/src/uts/common/vm/vm_as.c
index e0432f5b42..992254938f 100644
--- a/usr/src/uts/common/vm/vm_as.c
+++ b/usr/src/uts/common/vm/vm_as.c
@@ -57,6 +57,7 @@
 #include <sys/debug.h>
 #include <sys/tnf_probe.h>
 #include <sys/vtrace.h>
+#include <sys/ddi.h>
 
 #include <vm/hat.h>
 #include <vm/xhat.h>
@@ -880,6 +881,7 @@ as_fault(struct hat *hat, struct as *as, caddr_t addr, size_t size,
 	struct seg *segsav;
 	int as_lock_held;
 	klwp_t *lwp = ttolwp(curthread);
+	zone_t *zonep = curzone;
 	int is_xhat = 0;
 	int holding_wpage = 0;
 	extern struct seg_ops   segdev_ops;
@@ -929,6 +931,23 @@ retry:
 			if (as == &kas)
 				CPU_STATS_ADDQ(CPU, vm, kernel_asflt, 1);
 			CPU_STATS_EXIT_K();
+			if (zonep->zone_pg_flt_delay != 0) {
+				/*
+				 * The zone in which this process is running
+				 * is currently over it's physical memory cap.
+				 * Throttle page faults to help the user-land
+				 * memory capper catch up. Note that
+				 * drv_usectohz() rounds up.
+				 */
+				atomic_add_64(&zonep->zone_pf_throttle, 1);
+				atomic_add_64(&zonep->zone_pf_throttle_usec,
+				    zonep->zone_pg_flt_delay);
+				if (zonep->zone_pg_flt_delay < TICK_TO_USEC(1))
+					drv_usecwait(zonep->zone_pg_flt_delay);
+				else
+					delay(drv_usectohz(
+					    zonep->zone_pg_flt_delay));
+			}
 			break;
 		}
 	}
diff --git a/usr/src/uts/common/vm/vm_pvn.c b/usr/src/uts/common/vm/vm_pvn.c
index 1b8d12eb8d..a206320a30 100644
--- a/usr/src/uts/common/vm/vm_pvn.c
+++ b/usr/src/uts/common/vm/vm_pvn.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 1986, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
  */
 
@@ -432,7 +433,14 @@ pvn_write_done(page_t *plist, int flags)
 				page_io_unlock(pp);
 				page_unlock(pp);
 			}
-		} else if (flags & B_INVAL) {
+		} else if ((flags & (B_INVAL | B_INVALCURONLY)) == B_INVAL) {
+			/*
+			 * If B_INVALCURONLY is set, then we handle that case
+			 * in the next conditional if hat_page_is_mapped()
+			 * indicates that there are no additional mappings
+			 * to the page.
+			 */
+
 			/*
 			 * XXX - Failed writes with B_INVAL set are
 			 * not handled appropriately.
@@ -573,8 +581,9 @@ pvn_write_done(page_t *plist, int flags)
 }
 
 /*
- * Flags are composed of {B_ASYNC, B_INVAL, B_FREE, B_DONTNEED, B_DELWRI,
- * B_TRUNC, B_FORCE}.  B_DELWRI indicates that this page is part of a kluster
+ * Flags are composed of {B_ASYNC, B_INVAL, B_INVALCURONLY, B_FREE,
+ * B_DONTNEED, B_DELWRI, B_TRUNC, B_FORCE}.
+ * B_DELWRI indicates that this page is part of a kluster
  * operation and is only to be considered if it doesn't involve any
  * waiting here.  B_TRUNC indicates that the file is being truncated
  * and so no i/o needs to be done. B_FORCE indicates that the page
@@ -628,13 +637,17 @@ pvn_getdirty(page_t *pp, int flags)
 	 * If we want to free or invalidate the page then
 	 * we need to unload it so that anyone who wants
 	 * it will have to take a minor fault to get it.
+	 * If we are only invalidating the page for the
+	 * current process, then pass in a different flag.
 	 * Otherwise, we're just writing the page back so we
 	 * need to sync up the hardwre and software mod bit to
 	 * detect any future modifications.  We clear the
 	 * software mod bit when we put the page on the dirty
 	 * list.
 	 */
-	if (flags & (B_INVAL | B_FREE)) {
+	if (flags & B_INVALCURONLY) {
+		(void) hat_pageunload(pp, HAT_CURPROC_PGUNLOAD);
+	} else if (flags & (B_INVAL | B_FREE)) {
 		(void) hat_pageunload(pp, HAT_FORCE_PGUNLOAD);
 	} else {
 		(void) hat_pagesync(pp, HAT_SYNC_ZERORM);
@@ -646,7 +659,7 @@ pvn_getdirty(page_t *pp, int flags)
 		 * list after all.
 		 */
 		page_io_unlock(pp);
-		if (flags & B_INVAL) {
+		if ((flags & (B_INVAL | B_INVALCURONLY)) == B_INVAL) {
 			/*LINTED: constant in conditional context*/
 			VN_DISPOSE(pp, B_INVAL, 0, kcred);
 		} else if (flags & B_FREE) {
@@ -658,6 +671,9 @@ pvn_getdirty(page_t *pp, int flags)
 			 * of VOP_PUTPAGE() who prefer freeing the
 			 * page _only_ if no one else is accessing it.
 			 * E.g. segmap_release()
+			 * We also take this path for B_INVALCURONLY and
+			 * let page_release call VN_DISPOSE if no one else is
+			 * using the page.
 			 *
 			 * The above hat_ismod() check is useless because:
 			 * (1) we may not be holding SE_EXCL lock;
@@ -682,7 +698,7 @@ pvn_getdirty(page_t *pp, int flags)
 	 * We'll detect the fact that they used it when the
 	 * i/o is done and avoid freeing the page.
 	 */
-	if (flags & B_FREE)
+	if (flags & (B_FREE | B_INVALCURONLY))
 		page_downgrade(pp);
 
 
diff --git a/usr/src/uts/common/vm/vm_usage.c b/usr/src/uts/common/vm/vm_usage.c
index d422f8d0e8..33c5383f68 100644
--- a/usr/src/uts/common/vm/vm_usage.c
+++ b/usr/src/uts/common/vm/vm_usage.c
@@ -25,6 +25,10 @@
  */
 
 /*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
+
+/*
  * vm_usage
  *
  * This file implements the getvmusage() private system call.
@@ -114,7 +118,7 @@
  *	For accurate counting of map-shared and COW-shared pages.
  *
  *    - visited private anons (refcnt > 1) for each collective.
- *	(entity->vme_anon_hash)
+ *	(entity->vme_anon)
  *	For accurate counting of COW-shared pages.
  *
  * The common accounting structure is the vmu_entity_t, which represents
@@ -152,6 +156,7 @@
 #include <sys/vm_usage.h>
 #include <sys/zone.h>
 #include <sys/sunddi.h>
+#include <sys/sysmacros.h>
 #include <sys/avl.h>
 #include <vm/anon.h>
 #include <vm/as.h>
@@ -199,6 +204,14 @@ typedef struct vmu_object {
 } vmu_object_t;
 
 /*
+ * Node for tree of visited COW anons.
+ */
+typedef struct vmu_anon {
+	avl_node_t vma_node;
+	uintptr_t vma_addr;
+} vmu_anon_t;
+
+/*
  * Entity by which to count results.
  *
  * The entity structure keeps the current rss/swap counts for each entity
@@ -221,7 +234,7 @@ typedef struct vmu_entity {
 	struct vmu_entity *vme_next_calc;
 	mod_hash_t	*vme_vnode_hash; /* vnodes visited for entity */
 	mod_hash_t	*vme_amp_hash;	 /* shared amps visited for entity */
-	mod_hash_t	*vme_anon_hash;	 /* COW anons visited for entity */
+	avl_tree_t	vme_anon;	 /* COW anons visited for entity */
 	vmusage_t	vme_result;	 /* identifies entity and results */
 } vmu_entity_t;
 
@@ -324,6 +337,23 @@ bounds_cmp(const void *bnd1, const void *bnd2)
 }
 
 /*
+ * Comparison routine for our AVL tree of anon structures.
+ */
+static int
+vmu_anon_cmp(const void *lhs, const void *rhs)
+{
+	const vmu_anon_t *l = lhs, *r = rhs;
+
+	if (l->vma_addr == r->vma_addr)
+		return (0);
+
+	if (l->vma_addr < r->vma_addr)
+		return (-1);
+
+	return (1);
+}
+
+/*
  * Save a bound on the free list.
  */
 static void
@@ -363,13 +393,18 @@ static void
 vmu_free_entity(mod_hash_val_t val)
 {
 	vmu_entity_t *entity = (vmu_entity_t *)val;
+	vmu_anon_t *anon;
+	void *cookie = NULL;
 
 	if (entity->vme_vnode_hash != NULL)
 		i_mod_hash_clear_nosync(entity->vme_vnode_hash);
 	if (entity->vme_amp_hash != NULL)
 		i_mod_hash_clear_nosync(entity->vme_amp_hash);
-	if (entity->vme_anon_hash != NULL)
-		i_mod_hash_clear_nosync(entity->vme_anon_hash);
+
+	while ((anon = avl_destroy_nodes(&entity->vme_anon, &cookie)) != NULL)
+		kmem_free(anon, sizeof (vmu_anon_t));
+
+	avl_destroy(&entity->vme_anon);
 
 	entity->vme_next = vmu_data.vmu_free_entities;
 	vmu_data.vmu_free_entities = entity;
@@ -485,10 +520,10 @@ vmu_alloc_entity(id_t id, int type, id_t zoneid)
 		    "vmusage amp hash", VMUSAGE_HASH_SIZE, vmu_free_object,
 		    sizeof (struct anon_map));
 
-	if (entity->vme_anon_hash == NULL)
-		entity->vme_anon_hash = mod_hash_create_ptrhash(
-		    "vmusage anon hash", VMUSAGE_HASH_SIZE,
-		    mod_hash_null_valdtor, sizeof (struct anon));
+	VERIFY(avl_first(&entity->vme_anon) == NULL);
+
+	avl_create(&entity->vme_anon, vmu_anon_cmp, sizeof (struct vmu_anon),
+	    offsetof(struct vmu_anon, vma_node));
 
 	entity->vme_next = vmu_data.vmu_entities;
 	vmu_data.vmu_entities = entity;
@@ -518,7 +553,8 @@ vmu_alloc_zone(id_t id)
 
 	zone->vmz_id = id;
 
-	if ((vmu_data.vmu_calc_flags & (VMUSAGE_ZONE | VMUSAGE_ALL_ZONES)) != 0)
+	if ((vmu_data.vmu_calc_flags &
+	    (VMUSAGE_ZONE | VMUSAGE_ALL_ZONES | VMUSAGE_A_ZONE)) != 0)
 		zone->vmz_zone = vmu_alloc_entity(id, VMUSAGE_ZONE, id);
 
 	if ((vmu_data.vmu_calc_flags & (VMUSAGE_PROJECTS |
@@ -613,21 +649,19 @@ vmu_find_insert_object(mod_hash_t *hash, caddr_t key, uint_t type)
 }
 
 static int
-vmu_find_insert_anon(mod_hash_t *hash, caddr_t key)
+vmu_find_insert_anon(vmu_entity_t *entity, void *key)
 {
-	int ret;
-	caddr_t val;
+	vmu_anon_t anon, *ap;
 
-	ret = i_mod_hash_find_nosync(hash, (mod_hash_key_t)key,
-	    (mod_hash_val_t *)&val);
+	anon.vma_addr = (uintptr_t)key;
 
-	if (ret == 0)
+	if (avl_find(&entity->vme_anon, &anon, NULL) != NULL)
 		return (0);
 
-	ret = i_mod_hash_insert_nosync(hash, (mod_hash_key_t)key,
-	    (mod_hash_val_t)key, (mod_hash_hndl_t)0);
+	ap = kmem_alloc(sizeof (vmu_anon_t), KM_SLEEP);
+	ap->vma_addr = (uintptr_t)key;
 
-	ASSERT(ret == 0);
+	avl_add(&entity->vme_anon, ap);
 
 	return (1);
 }
@@ -918,6 +952,8 @@ vmu_amp_update_incore_bounds(avl_tree_t *tree, struct anon_map *amp,
 			next = AVL_NEXT(tree, next);
 			continue;
 		}
+
+		ASSERT(next->vmb_type == VMUSAGE_BOUND_UNKNOWN);
 		bound_type = next->vmb_type;
 		index = next->vmb_start;
 		while (index <= next->vmb_end) {
@@ -937,7 +973,10 @@ vmu_amp_update_incore_bounds(avl_tree_t *tree, struct anon_map *amp,
 
 			if (ap != NULL && vn != NULL && vn->v_pages != NULL &&
 			    (page = page_exists(vn, off)) != NULL) {
-				page_type = VMUSAGE_BOUND_INCORE;
+				if (PP_ISFREE(page))
+					page_type = VMUSAGE_BOUND_NOT_INCORE;
+				else
+					page_type = VMUSAGE_BOUND_INCORE;
 				if (page->p_szc > 0) {
 					pgcnt = page_get_pagecnt(page->p_szc);
 					pgshft = page_get_shift(page->p_szc);
@@ -947,8 +986,10 @@ vmu_amp_update_incore_bounds(avl_tree_t *tree, struct anon_map *amp,
 			} else {
 				page_type = VMUSAGE_BOUND_NOT_INCORE;
 			}
+
 			if (bound_type == VMUSAGE_BOUND_UNKNOWN) {
 				next->vmb_type = page_type;
+				bound_type = page_type;
 			} else if (next->vmb_type != page_type) {
 				/*
 				 * If current bound type does not match page
@@ -1009,6 +1050,7 @@ vmu_vnode_update_incore_bounds(avl_tree_t *tree, vnode_t *vnode,
 			continue;
 		}
 
+		ASSERT(next->vmb_type == VMUSAGE_BOUND_UNKNOWN);
 		bound_type = next->vmb_type;
 		index = next->vmb_start;
 		while (index <= next->vmb_end) {
@@ -1024,7 +1066,10 @@ vmu_vnode_update_incore_bounds(avl_tree_t *tree, vnode_t *vnode,
 
 			if (vnode->v_pages != NULL &&
 			    (page = page_exists(vnode, ptob(index))) != NULL) {
-				page_type = VMUSAGE_BOUND_INCORE;
+				if (PP_ISFREE(page))
+					page_type = VMUSAGE_BOUND_NOT_INCORE;
+				else
+					page_type = VMUSAGE_BOUND_INCORE;
 				if (page->p_szc > 0) {
 					pgcnt = page_get_pagecnt(page->p_szc);
 					pgshft = page_get_shift(page->p_szc);
@@ -1034,8 +1079,10 @@ vmu_vnode_update_incore_bounds(avl_tree_t *tree, vnode_t *vnode,
 			} else {
 				page_type = VMUSAGE_BOUND_NOT_INCORE;
 			}
+
 			if (bound_type == VMUSAGE_BOUND_UNKNOWN) {
 				next->vmb_type = page_type;
+				bound_type = page_type;
 			} else if (next->vmb_type != page_type) {
 				/*
 				 * If current bound type does not match page
@@ -1304,6 +1351,12 @@ vmu_calculate_seg(vmu_entity_t *vmu_entities, struct seg *seg)
 			}
 
 			/*
+			 * Pages on the free list aren't counted for the rss.
+			 */
+			if (PP_ISFREE(page))
+				continue;
+
+			/*
 			 * Assume anon structs with a refcnt
 			 * of 1 are not COW shared, so there
 			 * is no reason to track them per entity.
@@ -1320,8 +1373,7 @@ vmu_calculate_seg(vmu_entity_t *vmu_entities, struct seg *seg)
 				 * Track COW anons per entity so
 				 * they are not double counted.
 				 */
-				if (vmu_find_insert_anon(entity->vme_anon_hash,
-				    (caddr_t)ap) == 0)
+				if (vmu_find_insert_anon(entity, ap) == 0)
 					continue;
 
 				result->vmu_rss_all += (pgcnt << PAGESHIFT);
@@ -1461,8 +1513,9 @@ vmu_calculate_proc(proc_t *p)
 		entities = tmp;
 	}
 	if (vmu_data.vmu_calc_flags &
-	    (VMUSAGE_ZONE | VMUSAGE_ALL_ZONES | VMUSAGE_PROJECTS |
-	    VMUSAGE_ALL_PROJECTS | VMUSAGE_TASKS | VMUSAGE_ALL_TASKS |
+	    (VMUSAGE_ZONE | VMUSAGE_ALL_ZONES | VMUSAGE_A_ZONE |
+	    VMUSAGE_PROJECTS | VMUSAGE_ALL_PROJECTS |
+	    VMUSAGE_TASKS | VMUSAGE_ALL_TASKS |
 	    VMUSAGE_RUSERS | VMUSAGE_ALL_RUSERS | VMUSAGE_EUSERS |
 	    VMUSAGE_ALL_EUSERS)) {
 		ret = i_mod_hash_find_nosync(vmu_data.vmu_zones_hash,
@@ -1594,8 +1647,7 @@ vmu_free_extra()
 			mod_hash_destroy_hash(te->vme_vnode_hash);
 		if (te->vme_amp_hash != NULL)
 			mod_hash_destroy_hash(te->vme_amp_hash);
-		if (te->vme_anon_hash != NULL)
-			mod_hash_destroy_hash(te->vme_anon_hash);
+		VERIFY(avl_first(&te->vme_anon) == NULL);
 		kmem_free(te, sizeof (vmu_entity_t));
 	}
 	while (vmu_data.vmu_free_zones != NULL) {
@@ -1739,12 +1791,34 @@ vmu_cache_rele(vmu_cache_t *cache)
 }
 
 /*
+ * When new data is calculated, update the phys_mem rctl usage value in the
+ * zones.
+ */
+static void
+vmu_update_zone_rctls(vmu_cache_t *cache)
+{
+	vmusage_t	*rp;
+	size_t		i = 0;
+	zone_t		*zp;
+
+	for (rp = cache->vmc_results; i < cache->vmc_nresults; rp++, i++) {
+		if (rp->vmu_type == VMUSAGE_ZONE &&
+		    rp->vmu_zoneid != ALL_ZONES) {
+			if ((zp = zone_find_by_id(rp->vmu_zoneid)) != NULL) {
+				zp->zone_phys_mem = rp->vmu_rss_all;
+				zone_rele(zp);
+			}
+		}
+	}
+}
+
+/*
  * Copy out the cached results to a caller.  Inspect the callers flags
  * and zone to determine which cached results should be copied.
  */
 static int
 vmu_copyout_results(vmu_cache_t *cache, vmusage_t *buf, size_t *nres,
-    uint_t flags, int cpflg)
+    uint_t flags, id_t req_zone_id, int cpflg)
 {
 	vmusage_t *result, *out_result;
 	vmusage_t dummy;
@@ -1763,7 +1837,7 @@ vmu_copyout_results(vmu_cache_t *cache, vmusage_t *buf, size_t *nres,
 	/* figure out what results the caller is interested in. */
 	if ((flags & VMUSAGE_SYSTEM) && curproc->p_zone == global_zone)
 		types |= VMUSAGE_SYSTEM;
-	if (flags & (VMUSAGE_ZONE | VMUSAGE_ALL_ZONES))
+	if (flags & (VMUSAGE_ZONE | VMUSAGE_ALL_ZONES | VMUSAGE_A_ZONE))
 		types |= VMUSAGE_ZONE;
 	if (flags & (VMUSAGE_PROJECTS | VMUSAGE_ALL_PROJECTS |
 	    VMUSAGE_COL_PROJECTS))
@@ -1826,26 +1900,33 @@ vmu_copyout_results(vmu_cache_t *cache, vmusage_t *buf, size_t *nres,
 				continue;
 		}
 
-		/* Skip "other zone" results if not requested */
-		if (result->vmu_zoneid != curproc->p_zone->zone_id) {
-			if (result->vmu_type == VMUSAGE_ZONE &&
-			    (flags & VMUSAGE_ALL_ZONES) == 0)
-				continue;
-			if (result->vmu_type == VMUSAGE_PROJECTS &&
-			    (flags & (VMUSAGE_ALL_PROJECTS |
-			    VMUSAGE_COL_PROJECTS)) == 0)
-				continue;
-			if (result->vmu_type == VMUSAGE_TASKS &&
-			    (flags & VMUSAGE_ALL_TASKS) == 0)
-				continue;
-			if (result->vmu_type == VMUSAGE_RUSERS &&
-			    (flags & (VMUSAGE_ALL_RUSERS |
-			    VMUSAGE_COL_RUSERS)) == 0)
-				continue;
-			if (result->vmu_type == VMUSAGE_EUSERS &&
-			    (flags & (VMUSAGE_ALL_EUSERS |
-			    VMUSAGE_COL_EUSERS)) == 0)
+		if (result->vmu_type == VMUSAGE_ZONE &&
+		    flags & VMUSAGE_A_ZONE) {
+			/* Skip non-requested zone results */
+			if (result->vmu_zoneid != req_zone_id)
 				continue;
+		} else {
+			/* Skip "other zone" results if not requested */
+			if (result->vmu_zoneid != curproc->p_zone->zone_id) {
+				if (result->vmu_type == VMUSAGE_ZONE &&
+				    (flags & VMUSAGE_ALL_ZONES) == 0)
+					continue;
+				if (result->vmu_type == VMUSAGE_PROJECTS &&
+				    (flags & (VMUSAGE_ALL_PROJECTS |
+				    VMUSAGE_COL_PROJECTS)) == 0)
+					continue;
+				if (result->vmu_type == VMUSAGE_TASKS &&
+				    (flags & VMUSAGE_ALL_TASKS) == 0)
+					continue;
+				if (result->vmu_type == VMUSAGE_RUSERS &&
+				    (flags & (VMUSAGE_ALL_RUSERS |
+				    VMUSAGE_COL_RUSERS)) == 0)
+					continue;
+				if (result->vmu_type == VMUSAGE_EUSERS &&
+				    (flags & (VMUSAGE_ALL_EUSERS |
+				    VMUSAGE_COL_EUSERS)) == 0)
+					continue;
+			}
 		}
 		count++;
 		if (out_result != NULL) {
@@ -1901,10 +1982,12 @@ vm_getusage(uint_t flags, time_t age, vmusage_t *buf, size_t *nres, int cpflg)
 	int cacherecent = 0;
 	hrtime_t now;
 	uint_t flags_orig;
+	id_t req_zone_id;
 
 	/*
 	 * Non-global zones cannot request system wide and/or collated
-	 * results, or the system result, so munge the flags accordingly.
+	 * results, or the system result, or usage of another zone, so munge
+	 * the flags accordingly.
 	 */
 	flags_orig = flags;
 	if (curproc->p_zone != global_zone) {
@@ -1924,6 +2007,10 @@ vm_getusage(uint_t flags, time_t age, vmusage_t *buf, size_t *nres, int cpflg)
 			flags &= ~VMUSAGE_SYSTEM;
 			flags |= VMUSAGE_ZONE;
 		}
+		if (flags & VMUSAGE_A_ZONE) {
+			flags &= ~VMUSAGE_A_ZONE;
+			flags |= VMUSAGE_ZONE;
+		}
 	}
 
 	/* Check for unknown flags */
@@ -1934,6 +2021,21 @@ vm_getusage(uint_t flags, time_t age, vmusage_t *buf, size_t *nres, int cpflg)
 	if ((flags & VMUSAGE_MASK) == 0)
 		return (set_errno(EINVAL));
 
+	/* If requesting results for a specific zone, get the zone ID */
+	if (flags & VMUSAGE_A_ZONE) {
+		size_t bufsize;
+		vmusage_t zreq;
+
+		if (ddi_copyin((caddr_t)nres, &bufsize, sizeof (size_t), cpflg))
+			return (set_errno(EFAULT));
+		/* Requested zone ID is passed in buf, so 0 len not allowed */
+		if (bufsize == 0)
+			return (set_errno(EINVAL));
+		if (ddi_copyin((caddr_t)buf, &zreq, sizeof (vmusage_t), cpflg))
+			return (set_errno(EFAULT));
+		req_zone_id = zreq.vmu_id;
+	}
+
 	mutex_enter(&vmu_data.vmu_lock);
 	now = gethrtime();
 
@@ -1953,7 +2055,7 @@ start:
 			mutex_exit(&vmu_data.vmu_lock);
 
 			ret = vmu_copyout_results(cache, buf, nres, flags_orig,
-			    cpflg);
+			    req_zone_id, cpflg);
 			mutex_enter(&vmu_data.vmu_lock);
 			vmu_cache_rele(cache);
 			if (vmu_data.vmu_pending_waiters > 0)
@@ -2009,8 +2111,11 @@ start:
 
 		mutex_exit(&vmu_data.vmu_lock);
 
+		/* update zone's phys. mem. rctl usage */
+		vmu_update_zone_rctls(cache);
 		/* copy cache */
-		ret = vmu_copyout_results(cache, buf, nres, flags_orig, cpflg);
+		ret = vmu_copyout_results(cache, buf, nres, flags_orig,
+		    req_zone_id, cpflg);
 		mutex_enter(&vmu_data.vmu_lock);
 		vmu_cache_rele(cache);
 		mutex_exit(&vmu_data.vmu_lock);
@@ -2030,3 +2135,185 @@ start:
 	vmu_data.vmu_pending_waiters--;
 	goto start;
 }
+
+#if defined(__x86)
+/*
+ * Attempt to invalidate all of the pages in the mapping for the given process.
+ */
+static void
+map_inval(proc_t *p, struct seg *seg, caddr_t addr, size_t size)
+{
+	page_t		*pp;
+	size_t		psize;
+	u_offset_t	off;
+	caddr_t		eaddr;
+	struct vnode	*vp;
+	struct segvn_data *svd;
+	struct hat	*victim_hat;
+
+	ASSERT((addr + size) <= (seg->s_base + seg->s_size));
+
+	victim_hat = p->p_as->a_hat;
+	svd = (struct segvn_data *)seg->s_data;
+	vp = svd->vp;
+	psize = page_get_pagesize(seg->s_szc);
+
+	off = svd->offset + (uintptr_t)(addr - seg->s_base);
+
+	for (eaddr = addr + size; addr < eaddr; addr += psize, off += psize) {
+		pp = page_lookup_nowait(vp, off, SE_SHARED);
+
+		if (pp != NULL) {
+			/* following logic based on pvn_getdirty() */
+
+			if (pp->p_lckcnt != 0 || pp->p_cowcnt != 0) {
+				page_unlock(pp);
+				continue;
+			}
+
+			page_io_lock(pp);
+			hat_page_inval(pp, 0, victim_hat);
+			page_io_unlock(pp);
+
+			/*
+			 * For B_INVALCURONLY-style handling we let
+			 * page_release call VN_DISPOSE if no one else is using
+			 * the page.
+			 *
+			 * A hat_ismod() check would be useless because:
+			 * (1) we are not be holding SE_EXCL lock
+			 * (2) we've not unloaded _all_ translations
+			 *
+			 * Let page_release() do the heavy-lifting.
+			 */
+			(void) page_release(pp, 1);
+		}
+	}
+}
+
+/*
+ * vm_map_inval()
+ *
+ * Invalidate as many pages as possible within the given mapping for the given
+ * process. addr is expected to be the base address of the mapping and size is
+ * the length of the mapping. In some cases a mapping will encompass an
+ * entire segment, but at least for anon or stack mappings, these will be
+ * regions within a single large segment. Thus, the invalidation is oriented
+ * around a single mapping and not an entire segment.
+ *
+ * SPARC sfmmu hat does not support HAT_CURPROC_PGUNLOAD-style handling so
+ * this code is only applicable to x86.
+ */
+int
+vm_map_inval(pid_t pid, caddr_t addr, size_t size)
+{
+	int ret;
+	int error = 0;
+	proc_t *p;		/* target proc */
+	struct as *as;		/* target proc's address space */
+	struct seg *seg;	/* working segment */
+
+	if (curproc->p_zone != global_zone || crgetruid(curproc->p_cred) != 0)
+		return (set_errno(EPERM));
+
+	/* If not a valid mapping address, return an error */
+	if ((caddr_t)((uintptr_t)addr & (uintptr_t)PAGEMASK) != addr)
+		return (set_errno(EINVAL));
+
+again:
+	mutex_enter(&pidlock);
+	p = prfind(pid);
+	if (p == NULL) {
+		mutex_exit(&pidlock);
+		return (set_errno(ESRCH));
+	}
+
+	mutex_enter(&p->p_lock);
+	mutex_exit(&pidlock);
+
+	if (panicstr != NULL) {
+		mutex_exit(&p->p_lock);
+		return (0);
+	}
+
+	as = p->p_as;
+
+	/*
+	 * Try to set P_PR_LOCK - prevents process "changing shape"
+	 * - blocks fork
+	 * - blocks sigkill
+	 * - cannot be a system proc
+	 * - must be fully created proc
+	 */
+	ret = sprtrylock_proc(p);
+	if (ret == -1) {
+		/* Process in invalid state */
+		mutex_exit(&p->p_lock);
+		return (set_errno(ESRCH));
+	}
+
+	if (ret == 1) {
+		/*
+		 * P_PR_LOCK is already set. Wait and try again. This also
+		 * drops p_lock so p may no longer be valid since the proc may
+		 * have exited.
+		 */
+		sprwaitlock_proc(p);
+		goto again;
+	}
+
+	/* P_PR_LOCK is now set */
+	mutex_exit(&p->p_lock);
+
+	AS_LOCK_ENTER(as, &as->a_lock, RW_READER);
+	if ((seg = as_segat(as, addr)) == NULL) {
+		AS_LOCK_EXIT(as, &as->a_lock);
+		mutex_enter(&p->p_lock);
+		sprunlock(p);
+		return (set_errno(ENOMEM));
+	}
+
+	/*
+	 * The invalidation behavior only makes sense for vnode-backed segments.
+	 */
+	if (seg->s_ops != &segvn_ops) {
+		AS_LOCK_EXIT(as, &as->a_lock);
+		mutex_enter(&p->p_lock);
+		sprunlock(p);
+		return (0);
+	}
+
+	/*
+	 * If the mapping is out of bounds of the segement return an error.
+	 */
+	if ((addr + size) > (seg->s_base + seg->s_size)) {
+		AS_LOCK_EXIT(as, &as->a_lock);
+		mutex_enter(&p->p_lock);
+		sprunlock(p);
+		return (set_errno(EINVAL));
+	}
+
+	/*
+	 * Don't use MS_INVALCURPROC flag here since that would eventually
+	 * initiate hat invalidation based on curthread. Since we're doing this
+	 * on behalf of a different process, that would erroneously invalidate
+	 * our own process mappings.
+	 */
+	error = SEGOP_SYNC(seg, addr, size, 0, (uint_t)MS_ASYNC);
+	if (error == 0) {
+		/*
+		 * Since we didn't invalidate during the sync above, we now
+		 * try to invalidate all of the pages in the mapping.
+		 */
+		map_inval(p, seg, addr, size);
+	}
+	AS_LOCK_EXIT(as, &as->a_lock);
+
+	mutex_enter(&p->p_lock);
+	sprunlock(p);
+
+	if (error)
+		(void) set_errno(error);
+	return (error);
+}
+#endif
diff --git a/usr/src/uts/i86pc/Makefile.rules b/usr/src/uts/i86pc/Makefile.rules
index 84158a06bd..a0207714f7 100644
--- a/usr/src/uts/i86pc/Makefile.rules
+++ b/usr/src/uts/i86pc/Makefile.rules
@@ -220,7 +220,7 @@ DBOOT_DEFS	= -D_BOOT $(DBOOT_MACH_$(CLASS))
 DBOOT_DEFS	+= -D_MACHDEP -D_KMEMUSER -U_KERNEL -D_I32LPx
 DBOOT_FLAGS	= $(CCVERBOSE) $(CERRWARN) $(CCNOAUTOINLINE)
 
-DBOOT_CC_INCL	= -I$(SRC)/common $(INCLUDE_PATH)
+DBOOT_CC_INCL	= -I$(SRC)/common -I$(SRC)/common/util $(INCLUDE_PATH)
 DBOOT_AS_INCL	= $(AS_INC_PATH)
 
 DBOOT_AS	= $(ONBLD_TOOLS)/bin/$(MACH)/aw
diff --git a/usr/src/uts/i86pc/dboot/dboot_startkern.c b/usr/src/uts/i86pc/dboot/dboot_startkern.c
index f5f8f95682..6abb7c6349 100644
--- a/usr/src/uts/i86pc/dboot/dboot_startkern.c
+++ b/usr/src/uts/i86pc/dboot/dboot_startkern.c
@@ -23,7 +23,7 @@
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright 2012 Joyent, Inc.  All rights reserved.
+ * Copyright 2013 Joyent, Inc.  All rights reserved.
  */
 
 
@@ -34,6 +34,8 @@
 #include <sys/mach_mmu.h>
 #include <sys/multiboot.h>
 #include <sys/sha1.h>
+#include <util/string.h>
+#include <util/strtolctype.h>
 
 #if defined(__xpv)
 
@@ -61,6 +63,15 @@ extern int have_cpuid(void);
 #define	SHA1_ASCII_LENGTH	(SHA1_DIGEST_LENGTH * 2)
 
 /*
+ * Region of memory that may be corrupted by external actors.  This can go away
+ * once the firmware bug RICHMOND-16 is fixed and all systems with the bug are
+ * upgraded.
+ */
+#define	CORRUPT_REGION_START	0xc700000
+#define	CORRUPT_REGION_SIZE	0x100000
+#define	CORRUPT_REGION_END	(CORRUPT_REGION_START + CORRUPT_REGION_SIZE)
+
+/*
  * This file contains code that runs to transition us from either a multiboot
  * compliant loader (32 bit non-paging) or a XPV domain loader to
  * regular kernel execution. Its task is to setup the kernel memory image
@@ -162,8 +173,12 @@ uint_t pcimemlists_used = 0;
 struct boot_memlist rsvdmemlists[MAX_MEMLIST];
 uint_t rsvdmemlists_used = 0;
 
-#define	MAX_MODULES (10)
-struct boot_modules modules[MAX_MODULES];
+/*
+ * This should match what's in the bootloader.  It's arbitrary, but GRUB
+ * in particular has limitations on how much space it can use before it
+ * stops working properly.  This should be enough.
+ */
+struct boot_modules modules[MAX_BOOT_MODULES];
 uint_t modules_used = 0;
 
 /*
@@ -172,6 +187,8 @@ uint_t modules_used = 0;
 uint_t prom_debug = 0;
 uint_t map_debug = 0;
 
+static char noname[2] = "-";
+
 /*
  * Either hypervisor-specific or grub-specific code builds the initial
  * memlists. This code does the sort/merge/link for final use.
@@ -805,13 +822,20 @@ digest_a2h(const char *ascii, uint8_t *digest)
  * 4 GB, which should not be a problem.
  */
 static int
-check_image_hash(const char *ascii, const void *image, size_t len)
+check_image_hash(uint_t midx)
 {
+	const char *ascii;
+	const void *image;
+	size_t len;
 	SHA1_CTX ctx;
 	uint8_t digest[SHA1_DIGEST_LENGTH];
 	uint8_t baseline[SHA1_DIGEST_LENGTH];
 	unsigned int i;
 
+	ascii = (const char *)(uintptr_t)modules[midx].bm_hash;
+	image = (const void *)(uintptr_t)modules[midx].bm_addr;
+	len = (size_t)modules[midx].bm_size;
+
 	digest_a2h(ascii, baseline);
 
 	SHA1Init(&ctx);
@@ -826,16 +850,80 @@ check_image_hash(const char *ascii, const void *image, size_t len)
 	return (0);
 }
 
+static const char *
+type_to_str(boot_module_type_t type)
+{
+	switch (type) {
+	case BMT_ROOTFS:
+		return ("rootfs");
+	case BMT_FILE:
+		return ("file");
+	case BMT_HASH:
+		return ("hash");
+	default:
+		return ("unknown");
+	}
+}
+
 static void
 check_images(void)
 {
-	int i;
-	char *hashes;
-	mb_module_t *mod, *hashmod;
-	char *hash;
+	uint_t i;
 	char displayhash[SHA1_ASCII_LENGTH + 1];
-	size_t hashlen;
-	size_t len;
+
+	for (i = 0; i < modules_used; i++) {
+		if (prom_debug) {
+			dboot_printf("module #%d: name %s type %s "
+			    "addr %lx size %lx\n",
+			    i, (char *)(uintptr_t)modules[i].bm_name,
+			    type_to_str(modules[i].bm_type),
+			    (ulong_t)modules[i].bm_addr,
+			    (ulong_t)modules[i].bm_size);
+		}
+
+		if (modules[i].bm_type == BMT_HASH ||
+		    modules[i].bm_hash == NULL) {
+			DBG_MSG("module has no hash; skipping check\n");
+			continue;
+		}
+		(void) memcpy(displayhash,
+		    (void *)(uintptr_t)modules[i].bm_hash,
+		    SHA1_ASCII_LENGTH);
+		displayhash[SHA1_ASCII_LENGTH] = '\0';
+		if (prom_debug) {
+			dboot_printf("checking expected hash [%s]: ",
+			    displayhash);
+		}
+
+		if (check_image_hash(i) != 0)
+			dboot_panic("hash mismatch!\n");
+		else
+			DBG_MSG("OK\n");
+	}
+}
+
+/*
+ * Determine the module's starting address, size, name, and type, and fill the
+ * boot_modules structure.  This structure is used by the bop code, except for
+ * hashes which are checked prior to transferring control to the kernel.
+ */
+static void
+process_module(mb_module_t *mod)
+{
+	int midx = modules_used++;
+	char *p, *q;
+
+	if (prom_debug) {
+		dboot_printf("\tmodule #%d: '%s' at 0x%lx, end 0x%lx\n",
+		    midx, (char *)(mod->mod_name),
+		    (ulong_t)mod->mod_start, (ulong_t)mod->mod_end);
+	}
+
+	if (mod->mod_start > mod->mod_end) {
+		dboot_panic("module #%d: module start address 0x%lx greater "
+		    "than end address 0x%lx", midx,
+		    (ulong_t)mod->mod_start, (ulong_t)mod->mod_end);
+	}
 
 	/*
 	 * A brief note on lengths and sizes: GRUB, for reasons unknown, passes
@@ -851,47 +939,128 @@ check_images(void)
 	 * we'll just cope with the bug.  That means we won't actually hash the
 	 * byte at mod_end, and we will expect that mod_end for the hash file
 	 * itself is one greater than some multiple of 41 (40 bytes of ASCII
-	 * hash plus a newline for each module).
+	 * hash plus a newline for each module).  We set bm_size to the true
+	 * correct number of bytes in each module, achieving exactly this.
 	 */
 
-	if (mb_info->mods_count > 1) {
-		mod = (mb_module_t *)mb_info->mods_addr;
-		hashmod = mod + (mb_info->mods_count - 1);
-		hashes = (char *)hashmod->mod_start;
-		hashlen = (size_t)(hashmod->mod_end - hashmod->mod_start);
-		hash = hashes;
-		if (prom_debug) {
-			dboot_printf("Hash module found at %lx size %lx\n",
-			    (ulong_t)hashes, (ulong_t)hashlen);
-		}
-	} else {
-		DBG_MSG("Skipping hash check; no hash module found.\n");
+	modules[midx].bm_addr = mod->mod_start;
+	modules[midx].bm_size = mod->mod_end - mod->mod_start;
+	modules[midx].bm_name = mod->mod_name;
+	modules[midx].bm_hash = NULL;
+	modules[midx].bm_type = BMT_FILE;
+
+	if (mod->mod_name == NULL) {
+		modules[midx].bm_name = (native_ptr_t)(uintptr_t)noname;
 		return;
 	}
 
-	for (mod = (mb_module_t *)(mb_info->mods_addr), i = 0;
-	    i < mb_info->mods_count - 1; ++mod, ++i) {
-		if ((hash - hashes) + SHA1_ASCII_LENGTH + 1 > hashlen) {
-			dboot_printf("Short hash module of length 0x%lx bytes; "
-			    "skipping hash checks\n", (ulong_t)hashlen);
-			break;
+	p = (char *)(uintptr_t)mod->mod_name;
+	modules[midx].bm_name =
+	    (native_ptr_t)(uintptr_t)strsep(&p, " \t\f\n\r");
+
+	while (p != NULL) {
+		q = strsep(&p, " \t\f\n\r");
+		if (strncmp(q, "name=", 5) == 0) {
+			if (q[5] != '\0' && !isspace(q[5])) {
+				modules[midx].bm_name =
+				    (native_ptr_t)(uintptr_t)(q + 5);
+			}
+			continue;
 		}
 
-		(void) memcpy(displayhash, hash, SHA1_ASCII_LENGTH);
-		displayhash[SHA1_ASCII_LENGTH] = '\0';
-		if (prom_debug) {
-			dboot_printf("Checking hash for module %d [%s]: ",
-			    i, displayhash);
+		if (strncmp(q, "type=", 5) == 0) {
+			if (q[5] == '\0' || isspace(q[5]))
+				continue;
+			q += 5;
+			if (strcmp(q, "rootfs") == 0) {
+				modules[midx].bm_type = BMT_ROOTFS;
+			} else if (strcmp(q, "hash") == 0) {
+				modules[midx].bm_type = BMT_HASH;
+			} else if (strcmp(q, "file") != 0) {
+				dboot_printf("\tmodule #%d: unknown module "
+				    "type '%s'; defaulting to 'file'",
+				    midx, q);
+			}
+			continue;
 		}
 
-		len = mod->mod_end - mod->mod_start;	/* see above */
-		if (check_image_hash(hash, (void *)mod->mod_start, len) != 0) {
-			dboot_panic("SHA-1 hash mismatch on %s; expected %s\n",
-			    (char *)mod->mod_name, displayhash);
-		} else {
-			DBG_MSG("OK\n");
+		if (strncmp(q, "hash=", 5) == 0) {
+			if (q[5] != '\0' && !isspace(q[5])) {
+				modules[midx].bm_hash =
+				    (native_ptr_t)(uintptr_t)(q + 5);
+			}
+			continue;
+		}
+
+		dboot_printf("ignoring unknown option '%s'\n", q);
+	}
+}
+
+/*
+ * Backward compatibility: if there are exactly one or two modules, both
+ * of type 'file' and neither with an embedded hash value, we have been
+ * given the legacy style modules.  In this case we need to treat the first
+ * module as a rootfs and the second as a hash referencing that module.
+ * Otherwise, even if the configuration is invalid, we assume that the
+ * operator knows what he's doing or at least isn't being bitten by this
+ * interface change.
+ */
+static void
+fixup_modules(void)
+{
+	if (modules_used == 0 || modules_used > 2)
+		return;
+
+	if (modules[0].bm_type != BMT_FILE ||
+	    modules_used > 1 && modules[1].bm_type != BMT_FILE) {
+		return;
+	}
+
+	if (modules[0].bm_hash != NULL ||
+	    modules_used > 1 && modules[1].bm_hash != NULL) {
+		return;
+	}
+
+	modules[0].bm_type = BMT_ROOTFS;
+	if (modules_used > 1) {
+		modules[1].bm_type = BMT_HASH;
+		modules[1].bm_name = modules[0].bm_name;
+	}
+}
+
+/*
+ * For modules that do not have assigned hashes but have a separate hash module,
+ * find the assigned hash module and set the primary module's bm_hash to point
+ * to the hash data from that module.  We will then ignore modules of type
+ * BMT_HASH from this point forward.
+ */
+static void
+assign_module_hashes(void)
+{
+	uint_t i, j;
+
+	for (i = 0; i < modules_used; i++) {
+		if (modules[i].bm_type == BMT_HASH ||
+		    modules[i].bm_hash != NULL) {
+			continue;
+		}
+
+		for (j = 0; j < modules_used; j++) {
+			if (modules[j].bm_type != BMT_HASH ||
+			    strcmp((char *)(uintptr_t)modules[j].bm_name,
+			    (char *)(uintptr_t)modules[i].bm_name) != 0) {
+				continue;
+			}
+
+			if (modules[j].bm_size < SHA1_ASCII_LENGTH) {
+				dboot_printf("Short hash module of length "
+				    "0x%lx bytes; ignoring\n",
+				    (ulong_t)modules[j].bm_size);
+			} else {
+				modules[i].bm_hash = modules[j].bm_addr;
+			}
+			break;
 		}
-		hash += SHA1_ASCII_LENGTH + 1;
 	}
 }
 
@@ -927,9 +1096,9 @@ init_mem_alloc(void)
 	DBG_MSG("Entered init_mem_alloc()\n");
 	DBG((uintptr_t)mb_info);
 
-	if (mb_info->mods_count > MAX_MODULES) {
+	if (mb_info->mods_count > MAX_BOOT_MODULES) {
 		dboot_panic("Too many modules (%d) -- the maximum is %d.",
-		    mb_info->mods_count, MAX_MODULES);
+		    mb_info->mods_count, MAX_BOOT_MODULES);
 	}
 	/*
 	 * search the modules to find the last used address
@@ -940,18 +1109,7 @@ init_mem_alloc(void)
 	for (mod = (mb_module_t *)(mb_info->mods_addr), i = 0;
 	    i < mb_info->mods_count;
 	    ++mod, ++i) {
-		if (prom_debug) {
-			dboot_printf("\tmodule #%d: %s at: 0x%lx, end 0x%lx\n",
-			    i, (char *)(mod->mod_name),
-			    (ulong_t)mod->mod_start, (ulong_t)mod->mod_end);
-		}
-		modules[i].bm_addr = mod->mod_start;
-		if (mod->mod_start > mod->mod_end) {
-			dboot_panic("module[%d]: Invalid module start address "
-			    "(0x%llx)", i, (uint64_t)mod->mod_start);
-		}
-		modules[i].bm_size = mod->mod_end - mod->mod_start;
-
+		process_module(mod);
 		check_higher(mod->mod_end);
 	}
 	bi->bi_modules = (native_ptr_t)(uintptr_t)modules;
@@ -959,6 +1117,8 @@ init_mem_alloc(void)
 	bi->bi_module_cnt = mb_info->mods_count;
 	DBG(bi->bi_module_cnt);
 
+	fixup_modules();
+	assign_module_hashes();
 	check_images();
 
 	/*
@@ -1004,6 +1164,38 @@ init_mem_alloc(void)
 			case 1:
 				if (end > max_mem)
 					max_mem = end;
+
+				/*
+				 * Well, this is sad.  One some systems, there
+				 * is a region of memory that can be corrupted
+				 * until some number of seconds after we have
+				 * booted.  And the BIOS doesn't tell us that
+				 * this memory is unsafe to use.  And we don't
+				 * know how long it's dangerous.  So we'll
+				 * chop out this range from any memory list
+				 * that would otherwise be usable.  Note that
+				 * any system of this type will give us the
+				 * new-style (0x40) memlist, so we need not
+				 * fix up the other path below.
+				 */
+				if (start < CORRUPT_REGION_START &&
+				    end > CORRUPT_REGION_START) {
+					memlists[memlists_used].addr = start;
+					memlists[memlists_used].size =
+					    CORRUPT_REGION_START - start;
+					++memlists_used;
+					if (end > CORRUPT_REGION_END)
+						start = CORRUPT_REGION_END;
+					else
+						continue;
+				}
+				if (start >= CORRUPT_REGION_START &&
+				    start < CORRUPT_REGION_END) {
+					if (end <= CORRUPT_REGION_END)
+						continue;
+					start = CORRUPT_REGION_END;
+				}
+
 				memlists[memlists_used].addr = start;
 				memlists[memlists_used].size = end - start;
 				++memlists_used;
diff --git a/usr/src/uts/i86pc/io/microfind.c b/usr/src/uts/i86pc/io/microfind.c
index c2561a66b9..60f9dc4e17 100644
--- a/usr/src/uts/i86pc/io/microfind.c
+++ b/usr/src/uts/i86pc/io/microfind.c
@@ -1,33 +1,33 @@
 /*
- * CDDL HEADER START
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
  *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
  */
+
 /*
- * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
+ * Copyright 2015, Joyent, Inc.
  */
 
-/*	Copyright (c) 1990, 1991 UNIX System Laboratories, Inc.	*/
-/*	Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T	*/
-/*	  All Rights Reserved  	*/
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * The microfind() routine is used to calibrate the delay provided by
+ * tenmicrosec().  Early in boot gethrtime() is not yet configured and
+ * available for accurate delays, but some drivers still need to be able to
+ * pause execution for rough increments of ten microseconds.  To that end,
+ * microfind() will measure the wall time elapsed during a simple delay loop
+ * using the Intel 8254 Programmable Interval Timer (PIT), and attempt to find
+ * a loop count that approximates a ten microsecond delay.
+ *
+ * This mechanism is accurate enough when running unvirtualised on real CPUs,
+ * but is somewhat less efficacious in a virtual machine.  In a virtualised
+ * guest the relationship between instruction completion and elapsed wall time
+ * is, at best, variable; on such machines the calibration is merely a rough
+ * guess.
+ */
 
 #include <sys/types.h>
 #include <sys/dl.h>
@@ -41,175 +41,241 @@
 #include <sys/systm.h>
 #include <sys/machsystm.h>
 
-#define	PIT_COUNTDOWN	(PIT_READMODE | PIT_NDIVMODE)
-#define	MICROCOUNT	0x2000
-
 /*
  * Loop count for 10 microsecond wait.  MUST be initialized for those who
  * insist on calling "tenmicrosec" before the clock has been initialized.
  */
 unsigned int microdata = 50;
 
-void
-microfind(void)
+/*
+ * These values, used later in microfind(), are stored in globals to allow them
+ * to be adjusted more easily via kmdb.
+ */
+unsigned int microdata_trial_count = 7;
+unsigned int microdata_allowed_failures = 3;
+
+
+static void
+microfind_pit_reprogram_for_bios(void)
 {
-	uint64_t max, count = MICROCOUNT;
+	/*
+	 * Restore PIT counter 0 for BIOS use in mode 3 -- "Square Wave
+	 * Generator".
+	 */
+	outb(PITCTL_PORT, PIT_C0 | PIT_LOADMODE | PIT_SQUAREMODE);
 
 	/*
-	 * The algorithm tries to guess a loop count for tenmicrosec such
-	 * that found will be 0xf000 PIT counts, but because it is only a
-	 * rough guess there is no guarantee that tenmicrosec will take
-	 * exactly 0xf000 PIT counts. min is set initially to 0xe000 and
-	 * represents the number of PIT counts that must elapse in
-	 * tenmicrosec for microfind to calculate the correct loop count for
-	 * tenmicrosec. The algorith will successively set count to better
-	 * approximations until the number of PIT counts elapsed are greater
-	 * than min. Ideally the first guess should be correct, but as cpu's
-	 * become faster MICROCOUNT may have to be increased to ensure
-	 * that the first guess for count is correct. There is no harm
-	 * leaving MICRCOUNT at 0x2000, the results will be correct, it just
-	 * may take longer to calculate the correct value for the loop
-	 * count used by tenmicrosec. In some cases min may be reset as the
-	 * algorithm progresses in order to facilitate faster cpu's.
+	 * Load an initial counter value of zero.
 	 */
-	unsigned long found, min = 0xe000;
-	ulong_t s;
+	outb(PITCTR0_PORT, 0);
+	outb(PITCTR0_PORT, 0);
+}
+
+/*
+ * Measure the run time of tenmicrosec() using the Intel 8254 Programmable
+ * Interval Timer.  The timer operates at 1.193182 Mhz, so each timer tick
+ * represents 0.8381 microseconds of wall time.  This function returns the
+ * number of such ticks that passed while tenmicrosec() was running, or
+ * -1 if the delay was too long to measure with the PIT.
+ */
+static int
+microfind_pit_delta(void)
+{
 	unsigned char status;
+	int count;
 
-	s = clear_int_flag();		/* disable interrupts */
+	/*
+	 * Configure PIT counter 0 in mode 0 -- "Interrupt On Terminal Count".
+	 * In this mode, the PIT will count down from the loaded value and
+	 * set its output bit high once it reaches zero.  The PIT will pause
+	 * until we write the low byte and then the high byte to the counter
+	 * port.
+	 */
+	outb(PITCTL_PORT, PIT_LOADMODE);
 
-	/*CONSTCOND*/
-	while (1) {
+	/*
+	 * Load the maximum counter value, 0xffff, into the counter port.
+	 */
+	outb(PITCTR0_PORT, 0xff);
+	outb(PITCTR0_PORT, 0xff);
 
-		/*
-		 * microdata is the loop count used in tenmicrosec. The first
-		 * time around microdata is set to 1 to make tenmicrosec
-		 * return quickly. The purpose of this while loop is to
-		 * warm the cache for the next time around when the number
-		 * of PIT counts are measured.
-		 */
-		microdata = 1;
+	/*
+	 * Run the delay function.
+	 */
+	tenmicrosec();
 
-		/*CONSTCOND*/
-		while (1) {
-			/* Put counter 0 in mode 0 */
-			outb(PITCTL_PORT, PIT_LOADMODE);
-			/* output a count of -1 to counter 0 */
-			outb(PITCTR0_PORT, 0xff);
-			outb(PITCTR0_PORT, 0xff);
-			tenmicrosec();
+	/*
+	 * Latch the counter value and status for counter 0 with the read
+	 * back command.
+	 */
+	outb(PITCTL_PORT, PIT_READBACK | PIT_READBACKC0);
 
-			/* READ BACK counter 0 to latch status and count */
-			outb(PITCTL_PORT, PIT_READBACK|PIT_READBACKC0);
+	/*
+	 * In read back mode, three values are read from the counter port
+	 * in order: the status byte, followed by the low byte and high
+	 * byte of the counter value.
+	 */
+	status = inb(PITCTR0_PORT);
+	count = inb(PITCTR0_PORT);
+	count |= inb(PITCTR0_PORT) << 8;
 
-			/* Read status of counter 0 */
-			status = inb(PITCTR0_PORT);
+	/*
+	 * Verify that the counter started counting down.  The null count
+	 * flag in the status byte is set when we load a value, and cleared
+	 * when counting operation begins.
+	 */
+	if (status & (1 << PITSTAT_NULLCNT)) {
+		/*
+		 * The counter did not begin.  This means the loop count
+		 * used by tenmicrosec is too small for this CPU.  We return
+		 * a zero count to represent that the delay was too small
+		 * to measure.
+		 */
+		return (0);
+	}
 
-			/* Read the value left in the counter */
-			found = inb(PITCTR0_PORT) | (inb(PITCTR0_PORT) << 8);
+	/*
+	 * Verify that the counter did not wrap around.  The output pin is
+	 * reset when we load a new counter value, and set once the counter
+	 * reaches zero.
+	 */
+	if (status & (1 << PITSTAT_OUTPUT)) {
+		/*
+		 * The counter reached zero before we were able to read the
+		 * value.  This means the loop count used by tenmicrosec is too
+		 * large for this CPU.
+		 */
+		return (-1);
+	}
 
-			if (microdata != 1)
-				break;
+	/*
+	 * The PIT counts from our initial load value of 0xffff down to zero.
+	 * Return the number of timer ticks that passed while tenmicrosec was
+	 * running.
+	 */
+	VERIFY(count <= 0xffff);
+	return (0xffff - count);
+}
 
-			microdata = count;
-		}
+static int
+microfind_pit_delta_avg(int trials, int allowed_failures)
+{
+	int tc = 0;
+	int failures = 0;
+	long long int total = 0;
 
-		/* verify that the counter began the count-down */
-		if (status & (1 << PITSTAT_NULLCNT)) {
-			/* microdata is too small */
-			count = count << 1;
+	while (tc < trials) {
+		int d;
 
+		if ((d = microfind_pit_delta()) < 0) {
 			/*
-			 * If the cpu is so fast that it cannot load the
-			 * counting element of the PIT with a very large
-			 * value for the loop used in tenmicrosec, then
-			 * the algorithm will not work for this cpu.
-			 * It is very unlikely there will ever be such
-			 * an x86.
+			 * If the counter wrapped, we cannot use this
+			 * data point in the average.  Record the failure
+			 * and try again.
 			 */
-			if (count > 0x100000000)
-				panic("microfind: cpu is too fast");
-
+			if (++failures > allowed_failures) {
+				/*
+				 * Too many failures.
+				 */
+				return (-1);
+			}
 			continue;
 		}
 
-		/* verify that the counter did not wrap around */
-		if (status & (1 << PITSTAT_OUTPUT)) {
-			/*
-			 * microdata is too large. Since there are counts
-			 * that would have been appropriate for the PIT
-			 * not to wrap on even a lowly AT, count will never
-			 * decrease to 1.
-			 */
-			count = count >> 1;
-			continue;
-		}
+		total += d;
+		tc++;
+	}
 
-		/* mode 0 is an n + 1 counter */
-		found = 0x10000 - found;
-		if (found > min)
-			break;
+	return (total / tc);
+}
 
-		/* verify that the cpu is slow enough to count to 0xf000 */
-		count *= 0xf000;
-		max = 0x100000001 * found;
+void
+microfind(void)
+{
+	int ticks = -1;
+	ulong_t s;
+
+	/*
+	 * Disable interrupts while we measure the speed of the CPU.
+	 */
+	s = clear_int_flag();
+
+	/*
+	 * Start at the smallest loop count, i.e. 1, and keep doubling
+	 * until a delay of ~10ms can be measured.
+	 */
+	microdata = 1;
+	for (;;) {
+		int ticksprev = ticks;
 
 		/*
-		 * It is possible that at some point cpu's will become
-		 * sufficiently fast such that the PIT will not be able to
-		 * count to 0xf000 within the maximum loop count used in
-		 * tenmicrosec. In that case the loop count in tenmicrosec
-		 * may be set to the maximum value because it is unlikely
-		 * that the cpu will be so fast that tenmicrosec with the
-		 * maximum loop count will take more than ten microseconds.
-		 * If the cpu is indeed too fast for the current
-		 * implementation of tenmicrosec, then there is code below
-		 * intended to catch that situation.
+		 * We use a trial count of 7 to attempt to smooth out jitter
+		 * caused by the scheduling of virtual machines.  We only allow
+		 * three failures, as each failure represents a wrapped counter
+		 * and an expired wall time of at least ~55ms.
 		 */
-		if (count >= max) {
-			/* cpu is fast, just make it count as high it can */
-			count = 0x100000000;
-			min = 0;
-			continue;
+		if ((ticks = microfind_pit_delta_avg(microdata_trial_count,
+		    microdata_allowed_failures)) < 0) {
+			/*
+			 * The counter wrapped.  Halve the counter, restore the
+			 * previous ticks count and break out of the loop.
+			 */
+			if (microdata <= 1) {
+				/*
+				 * If the counter wrapped on the first try,
+				 * then we have some serious problems.
+				 */
+				panic("microfind: pit counter always wrapped");
+			}
+			microdata = microdata >> 1;
+			ticks = ticksprev;
+			break;
 		}
 
+		if (ticks > 0x3000) {
+			/*
+			 * The loop ran for at least ~10ms worth of 0.8381us
+			 * PIT ticks.
+			 */
+			break;
+		} else if (microdata > (UINT_MAX >> 1)) {
+			/*
+			 * Doubling the loop count again would cause an
+			 * overflow.  Use what we have.
+			 */
+			break;
+		} else {
+			/*
+			 * Double and try again.
+			 */
+			microdata = microdata << 1;
+		}
+	}
+
+	if (ticks < 1) {
 		/*
-		 * Count in the neighborhood of 0xf000 next time around
-		 * There is no risk of dividing by zero since found is in the
-		 * range of 0x1 to 0x1000.
+		 * If we were unable to measure a positive PIT tick count, then
+		 * we will be unable to scale the value of "microdata"
+		 * correctly.
 		 */
-		count = count / found;
+		panic("microfind: could not calibrate delay loop");
 	}
 
 	/*
-	 * Formula for delaycount is :
-	 *  (loopcount * timer clock speed) / (counter ticks * 1000)
-	 *  Note also that 1000 is for figuring out milliseconds
+	 * Calculate the loop count based on the final PIT tick count and the
+	 * loop count.  Each PIT tick represents a duration of ~0.8381us, so we
+	 * want to adjust microdata to represent a duration of 12 ticks, or
+	 * ~10us.
 	 */
-	count *= PIT_HZ;
-	max = ((uint64_t)found) * 100000;
-	count = count / max;	/* max is never zero */
-
-	if (count >= 0x100000001)
-		/*
-		 * This cpu is too fast for the current implementation of
-		 * tenmicrosec. It is unlikely such a fast x86 will exist.
-		 */
-		panic("microfind: cpu is too fast");
-
-	if (count != 0)
-		microdata = count;
-	else
-		microdata = 1;
-
-	/* Restore timer channel 0 for BIOS use */
-
-	/* write mode to 3, square-wave */
-	outb(PITCTL_PORT, PIT_C0 | PIT_LOADMODE | PIT_SQUAREMODE);
+	microdata = (long long)microdata * 12LL / (long long)ticks;
 
-	/* write 16 bits of 0 for initial count */
-	outb(PITCTR0_PORT, 0);
-	outb(PITCTR0_PORT, 0);
+	/*
+	 * Try and leave things as we found them.
+	 */
+	microfind_pit_reprogram_for_bios();
 
-	restore_int_flag(s);		/* restore interrupt state */
+	/*
+	 * Restore previous interrupt state.
+	 */
+	restore_int_flag(s);
 }
diff --git a/usr/src/uts/i86pc/io/ppm/acpisleep.c b/usr/src/uts/i86pc/io/ppm/acpisleep.c
index 78328170e6..6b94e50909 100644
--- a/usr/src/uts/i86pc/io/ppm/acpisleep.c
+++ b/usr/src/uts/i86pc/io/ppm/acpisleep.c
@@ -22,6 +22,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2012 Joyent, Inc.  All rights reserved.
  */
 
 #include <sys/types.h>
@@ -56,6 +57,19 @@
 
 int acpi_rtc_wake = 0x0;		/* wake in N seconds */
 
+/*
+ * Execute optional ACPI methods for suspend/resume.
+ * The value can be ACPI_EXECUTE_GTS and/or ACPI_EXECUTE_BFS.
+ * Global so it can be set in /etc/system.
+ * From usr/src/uts/intel/io/acpica/changes.txt:
+ *    It has been seen on some systems where the execution of these
+ *    methods causes errors and also prevents the machine from entering S5.
+ *    It is therefore suggested that host operating systems do not execute
+ *    these methods by default. In the future, perhaps these methods can be
+ *    optionally executed based on the age of the system...
+ */
+int acpi_sleep_flags = ACPI_NO_OPTIONAL_METHODS;
+
 #if 0	/* debug */
 static uint8_t	branchbuf[64 * 1024];	/* for the HDT branch trace stuff */
 #endif	/* debug */
@@ -142,8 +156,9 @@ acpi_enter_sleepstate(s3a_t *s3ap)
 	 * Tell the hardware to sleep.
 	 */
 	PT(PT_SXE);
-	PMD(PMD_SX, ("Calling AcpiEnterSleepState(%d) ...\n", Sx))
-	if (AcpiEnterSleepState(Sx) != AE_OK) {
+	PMD(PMD_SX, ("Calling AcpiEnterSleepState(%d, %d) ...\n", Sx,
+	    acpi_sleep_flags))
+	if (AcpiEnterSleepState(Sx, acpi_sleep_flags) != AE_OK) {
 		PT(PT_SXE_FAIL);
 		PMD(PMD_SX, ("... failed!\n"))
 	}
@@ -163,6 +178,11 @@ acpi_exit_sleepstate(s3a_t *s3ap)
 	PMD(PMD_SX, ("!We woke up!\n"))
 
 	PT(PT_LSS);
+	if (AcpiLeaveSleepStatePrep(Sx, acpi_sleep_flags) != AE_OK) {
+		PT(PT_LSS_FAIL);
+		PMD(PMD_SX, ("Problem with LeaveSleepState!\n"))
+	}
+
 	if (AcpiLeaveSleepState(Sx) != AE_OK) {
 		PT(PT_LSS_FAIL);
 		PMD(PMD_SX, ("Problem with LeaveSleepState!\n"))
diff --git a/usr/src/uts/i86pc/io/psm/psm_common.c b/usr/src/uts/i86pc/io/psm/psm_common.c
index 7a3dd8a733..9c17d85228 100644
--- a/usr/src/uts/i86pc/io/psm/psm_common.c
+++ b/usr/src/uts/i86pc/io/psm/psm_common.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
 
 #include <sys/types.h>
@@ -979,7 +980,7 @@ acpi_poweroff(void)
 		return (1);
 	}
 	ACPI_DISABLE_IRQS();
-	status = AcpiEnterSleepState(5);
+	status = AcpiEnterSleepState(5, ACPI_NO_OPTIONAL_METHODS);
 	ACPI_ENABLE_IRQS();
 
 	/* we should be off; if we get here it's an error */
diff --git a/usr/src/uts/i86pc/ml/offsets.in b/usr/src/uts/i86pc/ml/offsets.in
index 50a27b3d30..a977d69e6a 100644
--- a/usr/src/uts/i86pc/ml/offsets.in
+++ b/usr/src/uts/i86pc/ml/offsets.in
@@ -1,6 +1,7 @@
 \
 \ Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
 \ Copyright 2012 Garrett D'Amore <garrett@damore.org>.  All rights reserved.
+\ Copyright 2015 Joyent, Inc.
 \
 \ CDDL HEADER START
 \
@@ -147,6 +148,7 @@ _klwp
 	lwp_thread
 	lwp_procp
 	lwp_brand
+	lwp_brand_syscall
 	lwp_eosys
 	lwp_regs
 	lwp_arg
diff --git a/usr/src/uts/i86pc/ml/syscall_asm.s b/usr/src/uts/i86pc/ml/syscall_asm.s
index 61ef4ac6c3..68181be28a 100644
--- a/usr/src/uts/i86pc/ml/syscall_asm.s
+++ b/usr/src/uts/i86pc/ml/syscall_asm.s
@@ -631,6 +631,36 @@ _sysenter_done:
 	sysexit
 	SET_SIZE(sys_sysenter)
 	SET_SIZE(brand_sys_sysenter)
+#endif	/* __lint */
+
+#if defined(__lint)
+/*
+ * System call via an int80.  This entry point is only used by the Linux
+ * application environment.  Unlike the sysenter path, there is no default
+ * action to take if no callback is registered for this process.
+ */
+void
+sys_int80()
+{}
+
+#else	/* __lint */
+
+	ENTRY_NP(brand_sys_int80)
+	BRAND_CALLBACK(BRAND_CB_INT80)
+
+	ALTENTRY(sys_int80)
+	/*
+	 * We hit an int80, but this process isn't of a brand with an int80
+	 * handler.  Bad process!  Make it look as if the INT failed.
+	 * Modify %eip to point before the INT, push the expected error
+	 * code and fake a GP fault.
+	 * 
+	 */
+	subl	$2, (%esp)	/* int insn 2-bytes */
+	pushl	$_CONST(_MUL(T_INT80, GATE_DESC_SIZE) + 2)
+	jmp	gptrap			/ GP fault
+	SET_SIZE(sys_int80)
+	SET_SIZE(brand_sys_int80)
 
 /*
  * Declare a uintptr_t which covers the entire pc range of syscall
diff --git a/usr/src/uts/i86pc/ml/syscall_asm_amd64.s b/usr/src/uts/i86pc/ml/syscall_asm_amd64.s
index 443689cec3..555e99638b 100644
--- a/usr/src/uts/i86pc/ml/syscall_asm_amd64.s
+++ b/usr/src/uts/i86pc/ml/syscall_asm_amd64.s
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012, Joyent, Inc.  All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #include <sys/asm_linkage.h>
@@ -503,6 +503,7 @@ noprod_sys_syscall:
 	
 	movq	T_LWP(%r15), %r14
 	ASSERT_NO_RUPDATE_PENDING(%r14)
+
 	ENABLE_INTR_FLAGS
 
 	MSTATE_TRANSITION(LMS_USER, LMS_SYSTEM)
@@ -516,6 +517,28 @@ noprod_sys_syscall:
 
 	incq	%gs:CPU_STATS_SYS_SYSCALL
 
+	/*
+	 * If our LWP has an alternate system call handler, run that instead of
+	 * the regular system call path.
+	 */
+	movq	LWP_BRAND_SYSCALL(%r14), %rdi
+	testq	%rdi, %rdi
+	jz	_syscall_no_brand
+
+	pushq	%rax
+	subq	$8, %rsp	/* align stack for call to C */
+	call	*%rdi
+	addq	$8, %rsp
+
+	/*
+	 * If the alternate handler returns 0, we skip straight to the return to
+	 * usermode.  Otherwise, we resume regular system call processing.
+	 */
+	testl	%eax, %eax
+	popq	%rax
+	jz	_syscall_after_brand
+
+_syscall_no_brand:
 	movw	%ax, T_SYSNUM(%r15)
 	movzbl	T_PRE_SYS(%r15), %ebx
 	ORL_SYSCALLTRACE(%ebx)
@@ -550,6 +573,8 @@ _syscall_invoke:
 	shrq	$32, %r13	/* upper 32-bits into %edx */
 	movl	%r12d, %r12d	/* lower 32-bits into %eax */
 5:
+
+_syscall_after_brand:
 	/*
 	 * Optimistically assume that there's no post-syscall
 	 * work to do.  (This is to avoid having to call syscall_mstate()
@@ -795,11 +820,37 @@ _syscall32_save:
 	incq	 %gs:CPU_STATS_SYS_SYSCALL
 
 	/*
+	 * If our lwp has an alternate system call handler, run that instead
+	 * of the regular system call path.
+	 */
+	movq	LWP_BRAND_SYSCALL(%r14), %rax
+	testq	%rax, %rax
+	jz	_syscall32_no_brand
+
+	movb	$LWP_SYS, LWP_STATE(%r14)
+	call	*%rax
+
+	/*
+	 * If the alternate handler returns 0, we skip straight to the return
+	 * to usermode.  Otherwise, we resume regular system call processing.
+	 */
+	testl	%eax, %eax
+	jz	_syscall32_after_brand
+
+_syscall32_no_brand:
+	/*
 	 * Make some space for MAXSYSARGS (currently 8) 32-bit args placed
 	 * into 64-bit (long) arg slots, maintaining 16 byte alignment.  Or
 	 * more succinctly:
 	 *
 	 *	SA(MAXSYSARGS * sizeof (long)) == 64
+	 *
+	 * Note, this space is used both to copy in the arguments from user
+	 * land, but also to as part of the old UNIX style syscall_ap() method.
+	 * syscall_entry expects that we do not change the values of this space
+	 * that we give it. However, this means that when we end up in the more
+	 * recent model of passing the arguments based on the calling
+	 * conventions, we'll need to save an additional 16 bytes of stack.
 	 */
 #define	SYS_DROP	64			/* drop for args */
 	subq	$SYS_DROP, %rsp
@@ -827,12 +878,16 @@ _syscall32_save:
 	 */
 
 	movq	%rax, %rbx
-	movl	0(%rsp), %edi
-	movl	8(%rsp), %esi
-	movl	0x10(%rsp), %edx
-	movl	0x18(%rsp), %ecx
-	movl	0x20(%rsp), %r8d
-	movl	0x28(%rsp), %r9d
+	movl	0x0(%rsp), %edi		/* arg0 */
+	movl	0x8(%rsp), %esi		/* arg1 */
+	movl	0x10(%rsp), %edx	/* arg2 */
+	movl	0x38(%rsp), %eax	/* arg7 load */
+	movl	0x18(%rsp), %ecx	/* arg3 */
+	pushq	%rax			/* arg7 saved to stack */
+	movl	0x28(%rsp), %r8d	/* arg4 */
+	movl	0x38(%rsp), %eax	/* arg6 load */
+	movl	0x30(%rsp), %r9d	/* arg5 */
+	pushq	%rax			/* arg6 saved to stack */
 
 	call	*SY_CALLC(%rbx)
 
@@ -850,6 +905,8 @@ _syscall32_save:
 	shrq	$32, %r13	/* upper 32-bits into %edx */
 	movl	%eax, %r12d	/* lower 32-bits into %eax */
 
+_syscall32_after_brand:
+
 	/*
 	 * Optimistically assume that there's no post-syscall
 	 * work to do.  (This is to avoid having to call syscall_mstate()
@@ -1079,15 +1136,20 @@ sys_sysenter()
 	/*
 	 * Fetch the arguments copied onto the kernel stack and put
 	 * them in the right registers to invoke a C-style syscall handler.
-	 * %rax contains the handler address.
+	 * %rax contains the handler address. For the last two arguments, we
+	 * push them onto the stack -- we can't clobber the old arguments.
 	 */
 	movq	%rax, %rbx
-	movl	0(%rsp), %edi
-	movl	8(%rsp), %esi
-	movl	0x10(%rsp), %edx
-	movl	0x18(%rsp), %ecx
-	movl	0x20(%rsp), %r8d
-	movl	0x28(%rsp), %r9d
+	movl	0x0(%rsp), %edi		/* arg0 */
+	movl	0x8(%rsp), %esi		/* arg1 */
+	movl	0x10(%rsp), %edx	/* arg2 */
+	movl	0x38(%rsp), %eax	/* arg7 load */
+	movl	0x18(%rsp), %ecx	/* arg3 */
+	pushq	%rax			/* arg7 saved to stack */
+	movl	0x28(%rsp), %r8d	/* arg4 */
+	movl	0x38(%rsp), %eax	/* arg6 load */
+	movl	0x30(%rsp), %r9d	/* arg5 */
+	pushq	%rax			/* arg6 saved to stack */
 
 	call	*SY_CALLC(%rbx)
 
@@ -1159,6 +1221,72 @@ sys_sysenter()
 	SET_SIZE(brand_sys_sysenter)
 
 #endif	/* __lint */
+ 
+#if defined(__lint)
+/*
+ * System call via an int80.  This entry point is only used by the Linux
+ * application environment.  Unlike the other entry points, there is no
+ * default action to take if no callback is registered for this process.
+ */
+void
+sys_int80()
+{}
+
+#else	/* __lint */
+
+	ENTRY_NP(brand_sys_int80)
+	SWAPGS				/* kernel gsbase */
+	XPV_TRAP_POP
+
+	/*
+	 * We first attempt to call the "b_int80" handler from the "struct
+	 * brand_mach_ops" for this brand.  If no handler function is installed
+	 * for this brand, the BRAND_CALLBACK() macro returns here and we
+	 * check the lwp for a "lwp_brand_syscall" handler.
+	 */
+	BRAND_CALLBACK(BRAND_CB_INT80, BRAND_URET_FROM_INTR_STACK())
+
+	/*
+	 * Check to see if this lwp provides "lwp_brand_syscall".  If so, we
+	 * will route this int80 through the regular system call handling path.
+	 */
+	movq	%r15, %gs:CPU_RTMP_R15
+	movq	%gs:CPU_THREAD, %r15
+	movq	T_LWP(%r15), %r15
+	movq	LWP_BRAND_SYSCALL(%r15), %r15
+	testq	%r15, %r15
+	movq	%gs:CPU_RTMP_R15, %r15
+	jnz	nopop_syscall_int
+
+	/*
+	 * The brand provided neither a "b_int80", nor a "lwp_brand_syscall"
+	 * function, and has thus opted out of handling this trap.
+	 */
+	SWAPGS				/* user gsbase */
+	jmp	nopop_int80
+
+	ENTRY_NP(sys_int80)
+	/*
+	 * We hit an int80, but this process isn't of a brand with an int80
+	 * handler.  Bad process!  Make it look as if the INT failed.
+	 * Modify %rip to point before the INT, push the expected error
+	 * code and fake a GP fault. Note on 64-bit hypervisor we need
+	 * to undo the XPV_TRAP_POP and push rcx and r11 back on the stack
+	 * because gptrap will pop them again with its own XPV_TRAP_POP.
+	 */
+	XPV_TRAP_POP
+nopop_int80:
+	subq	$2, (%rsp)	/* int insn 2-bytes */
+	pushq	$_CONST(_MUL(T_INT80, GATE_DESC_SIZE) + 2)
+#if defined(__xpv)
+	push	%r11
+	push	%rcx
+#endif
+	jmp	gptrap			/ GP fault
+	SET_SIZE(sys_int80)
+	SET_SIZE(brand_sys_int80)
+#endif	/* __lint */
+
 
 /*
  * This is the destination of the "int $T_SYSCALLINT" interrupt gate, used by
diff --git a/usr/src/uts/i86pc/os/cpr_impl.c b/usr/src/uts/i86pc/os/cpr_impl.c
index 0583ac6ed6..25d899c63e 100644
--- a/usr/src/uts/i86pc/os/cpr_impl.c
+++ b/usr/src/uts/i86pc/os/cpr_impl.c
@@ -753,6 +753,20 @@ i_cpr_is_supported(int sleeptype)
 	if (sleeptype != CPR_TORAM)
 		return (0);
 
+        /*
+         * Unfortunately, the x86 resume code was never implemented for GAS.
+         * The only obvious problem is that a trick necessary to appease Sun
+         * Studio does the wrong thing for GAS.  Doubley unfortunate is that
+         * the condition used to detect GAS is incorrect, so we do in fact
+         * compile the Studio path, it just immediately fails in resume.
+         *
+         * Given that, if we were built using GCC, never allow CPR to be
+         * attempted.
+         */
+#ifdef __GNUC__
+        return (0);
+#endif
+
 	/*
 	 * The next statement tests if a specific platform has turned off
 	 * cpr support.
diff --git a/usr/src/uts/i86pc/os/cpuid.c b/usr/src/uts/i86pc/os/cpuid.c
index 9f57a078d7..586ec0656b 100644
--- a/usr/src/uts/i86pc/os/cpuid.c
+++ b/usr/src/uts/i86pc/os/cpuid.c
@@ -169,7 +169,8 @@ static char *x86_feature_names[NUM_X86_FEATURES] = {
 	"avx2",
 	"bmi1",
 	"bmi2",
-	"fma"
+	"fma",
+	"smep"
 };
 
 boolean_t
@@ -1245,6 +1246,9 @@ cpuid_pass1(cpu_t *cpu, uchar_t *featureset)
 			ecp->cp_ebx &= ~CPUID_INTC_EBX_7_0_BMI2;
 			ecp->cp_ebx &= ~CPUID_INTC_EBX_7_0_AVX2;
 		}
+
+		if (ecp->cp_ebx & CPUID_INTC_EBX_7_0_SMEP)
+			add_x86_feature(featureset, X86FSET_SMEP);
 	}
 
 	/*
diff --git a/usr/src/uts/i86pc/os/fakebop.c b/usr/src/uts/i86pc/os/fakebop.c
index d38bcb046f..8e17a3fcab 100644
--- a/usr/src/uts/i86pc/os/fakebop.c
+++ b/usr/src/uts/i86pc/os/fakebop.c
@@ -22,10 +22,11 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
- */
-/*
+ *
  * Copyright (c) 2010, Intel Corporation.
  * All rights reserved.
+ *
+ * Copyright 2013 Joyent, Inc.  All rights reserved.
  */
 
 /*
@@ -1164,10 +1165,12 @@ build_boot_properties(void)
 	int name_len;
 	char *value;
 	int value_len;
-	struct boot_modules *bm;
+	struct boot_modules *bm, *rdbm;
 	char *propbuf;
 	int quoted = 0;
 	int boot_arg_len;
+	uint_t i, midx;
+	char modid[32];
 #ifndef __xpv
 	static int stdout_val = 0;
 	uchar_t boot_device;
@@ -1185,9 +1188,32 @@ build_boot_properties(void)
 	DBG((uintptr_t)propbuf);
 	if (xbootp->bi_module_cnt > 0) {
 		bm = xbootp->bi_modules;
-		bsetprop64("ramdisk_start", (uint64_t)(uintptr_t)bm->bm_addr);
-		bsetprop64("ramdisk_end", (uint64_t)(uintptr_t)bm->bm_addr +
-		    bm->bm_size);
+		rdbm = NULL;
+		for (midx = i = 0; i < xbootp->bi_module_cnt; i++) {
+			if (bm[i].bm_type == BMT_ROOTFS) {
+				rdbm = &bm[i];
+				continue;
+			}
+			if (bm[i].bm_type == BMT_HASH || bm[i].bm_name == NULL)
+				continue;
+
+			(void) snprintf(modid, sizeof (modid),
+			    "module-name-%u", midx);
+			bsetprops(modid, (char *)bm[i].bm_name);
+			(void) snprintf(modid, sizeof (modid),
+			    "module-addr-%u", midx);
+			bsetprop64(modid, (uint64_t)(uintptr_t)bm[i].bm_addr);
+			(void) snprintf(modid, sizeof (modid),
+			    "module-size-%u", midx);
+			bsetprop64(modid, (uint64_t)bm[i].bm_size);
+			++midx;
+		}
+		if (rdbm != NULL) {
+			bsetprop64("ramdisk_start",
+			    (uint64_t)(uintptr_t)rdbm->bm_addr);
+			bsetprop64("ramdisk_end",
+			    (uint64_t)(uintptr_t)rdbm->bm_addr + rdbm->bm_size);
+		}
 	}
 
 	DBG_MSG("Parsing command line for boot properties\n");
diff --git a/usr/src/uts/i86pc/os/ibft.c b/usr/src/uts/i86pc/os/ibft.c
index 43ffad5e81..bcb8c06d58 100644
--- a/usr/src/uts/i86pc/os/ibft.c
+++ b/usr/src/uts/i86pc/os/ibft.c
@@ -38,6 +38,7 @@
 #include <sys/kmem.h>
 #include <sys/psm.h>
 #include <sys/bootconf.h>
+#include <sys/reboot.h>
 
 #ifndef	NULL
 #define	NULL	0
@@ -209,6 +210,7 @@ static ibft_status_t iscsi_parse_ibft_NIC(iscsi_ibft_nic_t *nicp);
 static ibft_status_t iscsi_parse_ibft_target(char *begin_of_ibft,
     iscsi_ibft_tgt_t *tgtp);
 
+extern int boothowto;
 
 /*
  * Return value:
@@ -762,7 +764,9 @@ ld_ib_prop()
 		 * 1) pass "-B ibft-noprobe=1" on kernel command line
 		 * 2) add line "set ibft_noprobe=1" in /etc/system
 		 */
-		cmn_err(CE_NOTE, IBFT_NOPROBE_MSG);
+		if (boothowto & RB_VERBOSE) {
+			cmn_err(CE_NOTE, IBFT_NOPROBE_MSG);
+		}
 		return;
 	}
 
diff --git a/usr/src/uts/i86pc/os/lgrpplat.c b/usr/src/uts/i86pc/os/lgrpplat.c
index ac647bea16..2d7c253204 100644
--- a/usr/src/uts/i86pc/os/lgrpplat.c
+++ b/usr/src/uts/i86pc/os/lgrpplat.c
@@ -2792,7 +2792,11 @@ lgrp_plat_process_sli(uint32_t domain_id, uchar_t *sli_info,
 /*
  * Read ACPI System Resource Affinity Table (SRAT) to determine which CPUs
  * and memory are local to each other in the same NUMA node and return number
- * of nodes
+ * of nodes.
+ *
+ * The SRAT table pointer is populated during bootup by
+ * build_firmware_properties() in fakebop.c. Several motherboard and BIOS
+ * manufacturers are guilty of not having a SRAT table.
  */
 static int
 lgrp_plat_process_srat(struct srat *tp, struct msct *mp,
@@ -2810,9 +2814,15 @@ lgrp_plat_process_srat(struct srat *tp, struct msct *mp,
 	/*
 	 * Nothing to do when no SRAT or disabled
 	 */
-	if (tp == NULL || !lgrp_plat_srat_enable)
+	if (!lgrp_plat_srat_enable)
 		return (-1);
 
+	if (tp == NULL) {
+		cmn_err(CE_WARN, "Couldn't read ACPI SRAT table from BIOS. "
+		   "lgrp support will be limited to one group.\n");
+		return (-1);
+	}
+
 	/*
 	 * Try to get domain information from MSCT table.
 	 * ACPI4.0: OSPM will use information provided by the MSCT only
diff --git a/usr/src/uts/i86pc/os/mlsetup.c b/usr/src/uts/i86pc/os/mlsetup.c
index 105c5c3363..8cb56d9682 100644
--- a/usr/src/uts/i86pc/os/mlsetup.c
+++ b/usr/src/uts/i86pc/os/mlsetup.c
@@ -60,6 +60,7 @@
 #include <sys/archsystm.h>
 #include <sys/promif.h>
 #include <sys/pci_cfgspace.h>
+#include <sys/bootvfs.h>
 #ifdef __xpv
 #include <sys/hypervisor.h>
 #else
@@ -267,8 +268,14 @@ mlsetup(struct regs *rp)
 	if (is_x86_feature(x86_featureset, X86FSET_TSCP))
 		(void) wrmsr(MSR_AMD_TSCAUX, 0);
 
+	/*
+	 * Let's get the other %cr4 stuff while we're here.
+	 */
 	if (is_x86_feature(x86_featureset, X86FSET_DE))
 		setcr4(getcr4() | CR4_DE);
+
+	if (is_x86_feature(x86_featureset, X86FSET_SMEP))
+		setcr4(getcr4() | CR4_SMEP);
 #endif /* __xpv */
 
 	/*
@@ -473,6 +480,10 @@ mach_modpath(char *path, const char *filename)
 	const char isastr[] = "/amd64";
 	size_t isalen = strlen(isastr);
 
+	len = strlen(SYSTEM_BOOT_PATH "/kernel");
+	(void) strcpy(path, SYSTEM_BOOT_PATH "/kernel ");
+	path += len + 1;
+
 	if ((p = strrchr(filename, '/')) == NULL)
 		return;
 
diff --git a/usr/src/uts/i86pc/os/startup.c b/usr/src/uts/i86pc/os/startup.c
index ac3538f646..82a0a5bc82 100644
--- a/usr/src/uts/i86pc/os/startup.c
+++ b/usr/src/uts/i86pc/os/startup.c
@@ -22,6 +22,7 @@
  * Copyright (c) 1993, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2012 DEY Storage Systems, Inc.  All rights reserved.
  * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
+ * Copyright 2013 Joyent, Inc.  All rights reserved.
  */
 /*
  * Copyright (c) 2010, Intel Corporation.
@@ -121,6 +122,7 @@
 #include <sys/ddi_periodic.h>
 #include <sys/systeminfo.h>
 #include <sys/multiboot.h>
+#include <sys/ramdisk.h>
 
 #ifdef	__xpv
 
@@ -2346,6 +2348,20 @@ pp_in_range(page_t *pp, uint64_t low_addr, uint64_t high_addr)
 	    (pp->p_pagenum < btopr(high_addr)));
 }
 
+static int
+pp_in_module(page_t *pp, const rd_existing_t *modranges)
+{
+	uint_t i;
+
+	for (i = 0; modranges[i].phys != 0; i++) {
+		if (pp_in_range(pp, modranges[i].phys,
+		    modranges[i].phys + modranges[i].size))
+			return (1);
+	}
+
+	return (0);
+}
+
 void
 release_bootstrap(void)
 {
@@ -2353,10 +2369,40 @@ release_bootstrap(void)
 	page_t *pp;
 	extern void kobj_boot_unmountroot(void);
 	extern dev_t rootdev;
+	uint_t i;
+	char propname[32];
+	rd_existing_t *modranges;
 #if !defined(__xpv)
 	pfn_t	pfn;
 #endif
 
+	/*
+	 * Save the bootfs module ranges so that we can reserve them below
+	 * for the real bootfs.
+	 */
+	modranges = kmem_alloc(sizeof (rd_existing_t) * MAX_BOOT_MODULES,
+	    KM_SLEEP);
+	for (i = 0; ; i++) {
+		uint64_t start, size;
+
+		modranges[i].phys = 0;
+
+		(void) snprintf(propname, sizeof (propname),
+		    "module-addr-%u", i);
+		if (do_bsys_getproplen(NULL, propname) <= 0)
+			break;
+		(void) do_bsys_getprop(NULL, propname, &start);
+
+		(void) snprintf(propname, sizeof (propname),
+		    "module-size-%u", i);
+		if (do_bsys_getproplen(NULL, propname) <= 0)
+			break;
+		(void) do_bsys_getprop(NULL, propname, &size);
+
+		modranges[i].phys = start;
+		modranges[i].size = size;
+	}
+
 	/* unmount boot ramdisk and release kmem usage */
 	kobj_boot_unmountroot();
 
@@ -2397,9 +2443,8 @@ release_bootstrap(void)
 			continue;
 		}
 
-
 		if (root_is_ramdisk && pp_in_range(pp, ramdisk_start,
-		    ramdisk_end)) {
+		    ramdisk_end) || pp_in_module(pp, modranges)) {
 			pp->p_next = rd_pages;
 			rd_pages = pp;
 			continue;
@@ -2411,6 +2456,8 @@ release_bootstrap(void)
 	}
 	PRM_POINT("Boot pages released");
 
+	kmem_free(modranges, sizeof (rd_existing_t) * 99);
+
 #if !defined(__xpv)
 /* XXPV -- note this following bunch of code needs to be revisited in Xen 3.0 */
 	/*
diff --git a/usr/src/uts/i86pc/os/trap.c b/usr/src/uts/i86pc/os/trap.c
index 8c2a7bd5bd..3f172e4845 100644
--- a/usr/src/uts/i86pc/os/trap.c
+++ b/usr/src/uts/i86pc/os/trap.c
@@ -32,7 +32,7 @@
 /*								*/
 
 /*
- * Copyright 2012 Joyent, Inc. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #include <sys/types.h>
@@ -101,6 +101,7 @@
 #include <sys/hypervisor.h>
 #endif
 #include <sys/contract/process_impl.h>
+#include <sys/brand.h>
 
 #define	USER	0x10000		/* user-mode flag added to trap type */
 
@@ -625,6 +626,19 @@ trap(struct regs *rp, caddr_t addr, processorid_t cpuid)
 		}
 
 		/*
+		 * If we have an Instruction fault in kernel mode, then that
+		 * means we've tried to execute a user page (SMEP) or both of
+		 * PAE and NXE are enabled. In either case, given that it's a
+		 * kernel fault, we should panic immediately and not try to make
+		 * any more forward progress. This indicates a bug in the
+		 * kernel, which if execution continued, could be exploited to
+		 * wreak havoc on the system.
+		 */
+		if (errcode & PF_ERR_EXEC) {
+			(void) die(type, rp, addr, cpuid);
+		}
+
+		/*
 		 * See if we can handle as pagefault. Save lofault and onfault
 		 * across this. Here we assume that an address less than
 		 * KERNELBASE is a user fault.  We can do this as copy.s
@@ -834,6 +848,17 @@ trap(struct regs *rp, caddr_t addr, processorid_t cpuid)
 			fault_type = F_INVAL;
 		}
 
+		/*
+		 * Allow the brand to interpose on invalid memory accesses
+		 * prior to running the native pagefault handler.  If this
+		 * brand hook returns zero, it was able to handle the fault
+		 * completely.  Otherwise, drive on and call pagefault().
+		 */
+		if (PROC_IS_BRANDED(p) && BROP(p)->b_pagefault != NULL &&
+		    BROP(p)->b_pagefault(p, lwp, addr, fault_type, rw) == 0) {
+			goto out;
+		}
+
 		res = pagefault(addr, fault_type, rw, 0);
 
 		/*
diff --git a/usr/src/uts/i86pc/sys/acpidev.h b/usr/src/uts/i86pc/sys/acpidev.h
index 6d11277aaf..a3bd54d4e3 100644
--- a/usr/src/uts/i86pc/sys/acpidev.h
+++ b/usr/src/uts/i86pc/sys/acpidev.h
@@ -21,6 +21,7 @@
 /*
  * Copyright (c) 2009-2010, Intel Corporation.
  * All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
 
 #ifndef	_SYS_ACPIDEV_H
@@ -128,7 +129,7 @@ typedef enum acpidev_class_id {
 #ifdef	_KERNEL
 
 /* Common ACPI object names. */
-#define	ACPIDEV_OBJECT_NAME_SB		ACPI_NS_SYSTEM_BUS
+#define	ACPIDEV_OBJECT_NAME_SB		METHOD_NAME__SB_
 #define	ACPIDEV_OBJECT_NAME_PR		"_PR_"
 
 /* Common ACPI method names. */
diff --git a/usr/src/uts/i86pc/sys/apic.h b/usr/src/uts/i86pc/sys/apic.h
index 8a87760456..11ae48340a 100644
--- a/usr/src/uts/i86pc/sys/apic.h
+++ b/usr/src/uts/i86pc/sys/apic.h
@@ -382,7 +382,7 @@ struct apic_io_intr {
 /* special or reserve vectors */
 #define	APIC_CHECK_RESERVE_VECTORS(v) \
 	(((v) == T_FASTTRAP) || ((v) == APIC_SPUR_INTR) || \
-	((v) == T_SYSCALLINT) || ((v) == T_DTRACE_RET))
+	((v) == T_SYSCALLINT) || ((v) == T_DTRACE_RET) || ((v) == 0x80))
 
 /* cmos shutdown code for BIOS						*/
 #define	BIOS_SHUTDOWN		0x0a
diff --git a/usr/src/uts/i86pc/vm/hat_i86.c b/usr/src/uts/i86pc/vm/hat_i86.c
index f3af56238f..c827a4b5ef 100644
--- a/usr/src/uts/i86pc/vm/hat_i86.c
+++ b/usr/src/uts/i86pc/vm/hat_i86.c
@@ -27,6 +27,7 @@
  */
 /*
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright 2014 Joyent, Inc.  All rights reserved.
  * Copyright (c) 2014, 2015 by Delphix. All rights reserved.
  */
 
@@ -3329,7 +3330,7 @@ hat_page_getattr(struct page *pp, uint_t flag)
 
 
 /*
- * common code used by hat_pageunload() and hment_steal()
+ * common code used by hat_page_inval() and hment_steal()
  */
 hment_t *
 hati_page_unmap(page_t *pp, htable_t *ht, uint_t entry)
@@ -3385,15 +3386,13 @@ hati_page_unmap(page_t *pp, htable_t *ht, uint_t entry)
 
 extern int	vpm_enable;
 /*
- * Unload all translations to a page. If the page is a subpage of a large
+ * Unload translations to a page. If the page is a subpage of a large
  * page, the large page mappings are also removed.
- *
- * The forceflags are unused.
+ * If curhat is not NULL, then we only unload the translation
+ * for the given process, otherwise all translations are unloaded.
  */
-
-/*ARGSUSED*/
-static int
-hati_pageunload(struct page *pp, uint_t pg_szcd, uint_t forceflag)
+void
+hat_page_inval(struct page *pp, uint_t pg_szcd, struct hat *curhat)
 {
 	page_t		*cur_pp = pp;
 	hment_t		*hm;
@@ -3401,15 +3400,10 @@ hati_pageunload(struct page *pp, uint_t pg_szcd, uint_t forceflag)
 	htable_t	*ht;
 	uint_t		entry;
 	level_t		level;
+	ulong_t		cnt;
 
 	XPV_DISALLOW_MIGRATE();
 
-	/*
-	 * prevent recursion due to kmem_free()
-	 */
-	++curthread->t_hatdepth;
-	ASSERT(curthread->t_hatdepth < 16);
-
 #if defined(__amd64)
 	/*
 	 * clear the vpm ref.
@@ -3422,6 +3416,8 @@ hati_pageunload(struct page *pp, uint_t pg_szcd, uint_t forceflag)
 	 * The loop with next_size handles pages with multiple pagesize mappings
 	 */
 next_size:
+	if (curhat != NULL)
+		cnt = hat_page_getshare(cur_pp);
 	for (;;) {
 
 		/*
@@ -3433,14 +3429,13 @@ next_size:
 			if (hm == NULL) {
 				x86_hm_exit(cur_pp);
 
+curproc_done:
 				/*
 				 * If not part of a larger page, we're done.
 				 */
 				if (cur_pp->p_szc <= pg_szcd) {
-					ASSERT(curthread->t_hatdepth > 0);
-					--curthread->t_hatdepth;
 					XPV_ALLOW_MIGRATE();
-					return (0);
+					return;
 				}
 
 				/*
@@ -3459,8 +3454,20 @@ next_size:
 			 * If this mapping size matches, remove it.
 			 */
 			level = ht->ht_level;
-			if (level == pg_szcd)
-				break;
+			if (level == pg_szcd) {
+				if (curhat == NULL || ht->ht_hat == curhat)
+					break;
+				/*
+				 * Unloading only the given process but it's
+				 * not the hat for the current process. Leave
+				 * entry in place. Also do a safety check to
+				 * ensure we don't get in an infinite loop
+				 */
+				if (cnt-- == 0) {
+					x86_hm_exit(cur_pp);
+					goto curproc_done;
+				}
+			}
 		}
 
 		/*
@@ -3470,14 +3477,44 @@ next_size:
 		hm = hati_page_unmap(cur_pp, ht, entry);
 		if (hm != NULL)
 			hment_free(hm);
+
+		/* Perform check above for being part of a larger page. */
+		if (curhat != NULL)
+			goto curproc_done;
 	}
 }
 
+/*
+ * Unload translations to a page. If unloadflag is HAT_CURPROC_PGUNLOAD, then
+ * we only unload the translation for the current process, otherwise all
+ * translations are unloaded.
+ */
+static int
+hati_pageunload(struct page *pp, uint_t pg_szcd, uint_t unloadflag)
+{
+	struct hat	*curhat = NULL;
+
+	/*
+	 * prevent recursion due to kmem_free()
+	 */
+	++curthread->t_hatdepth;
+	ASSERT(curthread->t_hatdepth < 16);
+
+	if (unloadflag == HAT_CURPROC_PGUNLOAD)
+		curhat = curthread->t_procp->p_as->a_hat;
+
+	hat_page_inval(pp, pg_szcd, curhat);
+
+	ASSERT(curthread->t_hatdepth > 0);
+	--curthread->t_hatdepth;
+	return (0);
+}
+
 int
-hat_pageunload(struct page *pp, uint_t forceflag)
+hat_pageunload(struct page *pp, uint_t unloadflag)
 {
 	ASSERT(PAGE_EXCL(pp));
-	return (hati_pageunload(pp, 0, forceflag));
+	return (hati_pageunload(pp, 0, unloadflag));
 }
 
 /*
diff --git a/usr/src/uts/i86pc/vm/htable.c b/usr/src/uts/i86pc/vm/htable.c
index 2385fdecb1..1ffb562599 100644
--- a/usr/src/uts/i86pc/vm/htable.c
+++ b/usr/src/uts/i86pc/vm/htable.c
@@ -22,6 +22,7 @@
 /*
  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2014 by Delphix. All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  */
 
 #include <sys/types.h>
@@ -1714,8 +1715,6 @@ htable_walk(
 	}
 
 	while (va < eaddr && va >= *vaddr) {
-		ASSERT(!IN_VA_HOLE(va));
-
 		/*
 		 *  Find lowest table with any entry for given address.
 		 */
@@ -1724,6 +1723,7 @@ htable_walk(
 			if (ht != NULL) {
 				pte = htable_scan(ht, &va, eaddr);
 				if (PTE_ISPAGE(pte, l)) {
+					VERIFY(!IN_VA_HOLE(va));
 					*vaddr = va;
 					*htp = ht;
 					return (pte);
diff --git a/usr/src/uts/i86pc/vm/vm_machdep.c b/usr/src/uts/i86pc/vm/vm_machdep.c
index 2212202a01..1c2bd3e0ec 100644
--- a/usr/src/uts/i86pc/vm/vm_machdep.c
+++ b/usr/src/uts/i86pc/vm/vm_machdep.c
@@ -24,6 +24,7 @@
 /*
  * Copyright (c) 2010, Intel Corporation.
  * All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  */
 
 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
@@ -623,10 +624,8 @@ void
 map_addr(caddr_t *addrp, size_t len, offset_t off, int vacalign, uint_t flags)
 {
 	struct proc *p = curproc;
-	caddr_t userlimit = (flags & _MAP_LOW32) ?
-	    (caddr_t)_userlimit32 : p->p_as->a_userlimit;
-
-	map_addr_proc(addrp, len, off, vacalign, userlimit, curproc, flags);
+	map_addr_proc(addrp, len, off, vacalign,
+	    map_userlimit(p, p->p_as, flags), curproc, flags);
 }
 
 /*ARGSUSED*/
diff --git a/usr/src/uts/intel/Makefile b/usr/src/uts/intel/Makefile
index 72b2d89989..37e10e011e 100644
--- a/usr/src/uts/intel/Makefile
+++ b/usr/src/uts/intel/Makefile
@@ -64,7 +64,7 @@ install_h.prereq	:=	TARGET= install_h
 
 .PARALLEL:	$(PARALLEL_KMODS) $(XMODS) config $(LINT_DEPS)
 
-def all install clean clobber modlist: $(KMODS) $(XMODS) config
+def all install clean clobber modlist: genassym $(KMODS) $(XMODS) config
 
 clobber: clobber.targ
 
@@ -106,7 +106,7 @@ CLOBBERFILES += $(PRIVS_C)
 # intel/dtrace depends on i86pc/genassym, so we need to build both
 # i86pc/genassym and intel/genassym.
 #
-all.prereq install.prereq def.prereq: genunix FRC
+all.prereq install.prereq def.prereq: genassym genunix FRC
 	@cd ../i86pc/genassym; pwd; $(MAKE) $(@:%.prereq=%)
 
 #
@@ -124,7 +124,7 @@ genunix: $(PRIVS_C)
 
 modlintlib clean.lint: $(LINT_KMODS) $(XMODS)
 
-$(KMODS) $(SUBDIRS) config:	FRC
+genassym $(KMODS) $(SUBDIRS) config:	FRC
 	@cd $@; pwd; $(MAKE) $(NO_STATE) $(TARGET)
 
 $(XMODS):	FRC
diff --git a/usr/src/uts/intel/Makefile.files b/usr/src/uts/intel/Makefile.files
index 01147a5314..e2fd605916 100644
--- a/usr/src/uts/intel/Makefile.files
+++ b/usr/src/uts/intel/Makefile.files
@@ -21,7 +21,7 @@
 
 #
 # Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
-# Copyright (c) 2012, Joyent, Inc. All rights reserved.
+# Copyright 2015, Joyent, Inc.
 #
 
 #
@@ -99,6 +99,14 @@ GENUNIX_OBJS +=		\
 #
 CORE_OBJS +=		\
 	prmachdep.o
+ 
+LX_PROC_OBJS +=	\
+	lx_prsubr.o	\
+	lx_prvfsops.o	\
+	lx_prvnops.o
+
+LX_AUTOFS_OBJS +=	\
+	lx_autofs.o
 
 #
 #	ZFS file system module
@@ -167,6 +175,7 @@ VGATEXT_OBJS += vgatext.o vgasubr.o
 #	Kernel linker
 #
 KRTLD_OBJS +=		\
+	bootfsops.o	\
 	bootrd.o	\
 	ufsops.o	\
 	hsfs.o		\
@@ -184,8 +193,9 @@ ACPICA_OBJS	+= dbcmds.o dbdisply.o \
 		   dbexec.o dbfileio.o dbhistry.o dbinput.o dbstats.o \
 		   dbutils.o dbxface.o evevent.o evgpe.o evgpeblk.o \
 		   evmisc.o evregion.o evrgnini.o evsci.o evxface.o \
-		   evxfevnt.o evxfregn.o hwacpi.o hwgpe.o hwregs.o \
-		   hwsleep.o hwtimer.o dsfield.o dsinit.o dsmethod.o \
+		   evxfevnt.o evxfregn.o hwacpi.o hwesleep.o hwgpe.o \
+		   hwregs.o hwsleep.o hwtimer.o hwxfsleep.o dsfield.o \
+		   dsinit.o dsmethod.o \
 		   dsmthdat.o dsobject.o dsopcode.o dsutils.o dswexec.o \
 		   dswload.o dswscope.o dswstate.o exconfig.o exconvrt.o \
 		   excreate.o exdump.o exfield.o exfldio.o exmisc.o \
@@ -197,16 +207,18 @@ ACPICA_OBJS	+= dbcmds.o dbdisply.o \
 		   nsalloc.o nsdump.o nsdumpdv.o nseval.o nsinit.o \
 		   nsload.o nsnames.o nsobject.o nsparse.o nssearch.o \
 		   nsutils.o nswalk.o nsxfeval.o nsxfname.o nsxfobj.o \
-		   rsaddr.o rscalc.o rscreate.o rsdump.o \
+		   rsaddr.o rscalc.o rscreate.o rsdump.o rsserial.o \
 		   rsinfo.o rsio.o rsirq.o rslist.o rsmemory.o rsmisc.o \
 		   rsutils.o rsxface.o tbfadt.o tbfind.o tbinstal.o  \
-		   tbutils.o tbxface.o tbxfroot.o \
+		   tbutils.o tbxface.o tbxfroot.o utaddress.o \
 		   utalloc.o utclib.o utcopy.o utdebug.o utdelete.o \
 		   uteval.o utglobal.o utinit.o utmath.o utmisc.o \
-		   utobject.o utresrc.o utxface.o acpica.o acpi_enum.o \
+		   utobject.o utresrc.o utxface.o utxfmutex.o acpica.o \
+		   acpi_enum.o \
 		   master_ops.o osl.o osl_ml.o acpica_ec.o utcache.o \
 		   utmutex.o utstate.o dmbuffer.o dmnames.o dmobject.o \
-		   dmopcode.o dmresrc.o dmresrcl.o dmresrcs.o dmutils.o \
+		   dmopcode.o dmresrc.o dmresrcl.o dmresrcl2.o dmresrcs.o \
+		   dmutils.o \
 		   dmwalk.o psloop.o nspredef.o hwxface.o hwvalid.o \
 		   utlock.o utids.o nsrepair.o nsrepair2.o \
 		   dbmethod.o dbnames.o dsargs.o dscontrol.o dswload2.o \
@@ -261,7 +273,41 @@ IOMMULIB_OBJS = iommulib.o
 #	Brand modules
 #
 SN1_BRAND_OBJS	=	sn1_brand.o sn1_brand_asm.o
+SNGL_BRAND_OBJS	=	sngl_brand.o sngl_brand_asm.o
 S10_BRAND_OBJS	=	s10_brand.o s10_brand_asm.o
+LX_BRAND_OBJS  =		\
+	lx_archdep.o		\
+	lx_brand.o		\
+	lx_brk.o		\
+	lx_chmod.o		\
+	lx_chown.o		\
+	lx_clone.o		\
+	lx_cpu.o		\
+	lx_errno.o		\
+	lx_fcntl.o		\
+	lx_futex.o		\
+	lx_getpid.o		\
+	lx_getrandom.o		\
+	lx_id.o			\
+	lx_ioctl.o		\
+	lx_kill.o		\
+	lx_misc.o		\
+	lx_mkdir.o		\
+	lx_modify_ldt.o		\
+	lx_open.o		\
+	lx_pid.o		\
+	lx_pipe.o		\
+	lx_ptrace.o		\
+	lx_rlimit.o		\
+	lx_rw.o			\
+	lx_sched.o		\
+	lx_signum.o		\
+	lx_syscall.o		\
+	lx_sysinfo.o		\
+	lx_thread_area.o	\
+	lx_timer.o		\
+	lx_wait.o		\
+	lx_xattr.o
 
 #
 #	special files
diff --git a/usr/src/uts/intel/Makefile.intel b/usr/src/uts/intel/Makefile.intel
index bd346b5dab..86f7330f69 100644
--- a/usr/src/uts/intel/Makefile.intel
+++ b/usr/src/uts/intel/Makefile.intel
@@ -21,6 +21,7 @@
 # Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
 # Copyright (c) 2014 Nexenta Systems, Inc. All rights reserved.
 # Copyright (c) 2013 Andrew Stormont.  All rights reserved.
+# Copyright (c) 2015, Joyent, Inc. All rights reserved.
 
 #
 #	This makefile contains the common definitions for all intel
@@ -42,6 +43,7 @@ PLATFORM	 = i86pc
 #
 UNIX_DIR	 = $(UTSBASE)/i86pc/unix
 GENLIB_DIR	 = $(UTSBASE)/intel/genunix
+GENASSYM_DIR	 = $(UTSBASE)/intel/genassym
 IPDRV_DIR	 = $(UTSBASE)/intel/ip
 MODSTUBS_DIR	 = $(UNIX_DIR)
 DSF_DIR		 = $(UTSBASE)/$(PLATFORM)/genassym
@@ -134,6 +136,7 @@ ASFLAGS_XARCH_64	= $(amd64_ASFLAGS)
 ASFLAGS_XARCH		= $(ASFLAGS_XARCH_$(CLASS))
 
 ASFLAGS			+= $(ASFLAGS_XARCH)
+AS_INC_PATH		+= -I$(GENASSYM_DIR)/$(OBJS_DIR)
 
 #
 #	Define the base directory for installation.
@@ -235,9 +238,11 @@ DRV_KMODS	+= devinfo
 DRV_KMODS	+= dld
 DRV_KMODS	+= dlpistub
 DRV_KMODS_32	+= dnet
+DRV_KMODS	+= dr_sas
 DRV_KMODS	+= dump
 DRV_KMODS	+= ecpp
 DRV_KMODS	+= emlxs
+DRV_KMODS	+= eventfd
 DRV_KMODS	+= fd
 DRV_KMODS	+= fdc
 DRV_KMODS	+= fm
@@ -247,6 +252,7 @@ DRV_KMODS	+= i8042
 DRV_KMODS	+= i915
 DRV_KMODS	+= icmp
 DRV_KMODS	+= icmp6
+DRV_KMODS	+= inotify
 DRV_KMODS	+= intel_nb5000
 DRV_KMODS	+= intel_nhm
 DRV_KMODS	+= ip
@@ -281,6 +287,7 @@ DRV_KMODS	+= mpt_sas
 DRV_KMODS	+= mr_sas
 DRV_KMODS	+= mwl 
 DRV_KMODS	+= nca
+DRV_KMODS	+= nfp
 DRV_KMODS	+= nsmb
 DRV_KMODS	+= nulldriver
 DRV_KMODS	+= nv_sata
@@ -335,6 +342,7 @@ DRV_KMODS	+= sysevent
 DRV_KMODS	+= sysmsg
 DRV_KMODS	+= tcp
 DRV_KMODS	+= tcp6
+DRV_KMODS	+= timerfd
 DRV_KMODS	+= tl
 DRV_KMODS	+= tnf
 DRV_KMODS	+= tpm
@@ -347,6 +355,8 @@ DRV_KMODS	+= uath
 DRV_KMODS	+= urtw
 DRV_KMODS	+= vgatext
 DRV_KMODS	+= heci
+DRV_KMODS	+= vmxnet 
+DRV_KMODS	+= vnd
 DRV_KMODS	+= vnic
 DRV_KMODS	+= vscan
 DRV_KMODS	+= wc
@@ -355,6 +365,7 @@ DRV_KMODS	+= wpi
 DRV_KMODS	+= xge
 DRV_KMODS	+= yge
 DRV_KMODS	+= zcons
+DRV_KMODS	+= zfd
 DRV_KMODS	+= zyd
 DRV_KMODS	+= simnet
 DRV_KMODS	+= stmf
@@ -477,6 +488,15 @@ DRV_KMODS	+= usbftdi
 DRV_KMODS	+= usbecm
 
 #
+#	USBGEM modules
+#
+DRV_KMODS	+= usbgem
+DRV_KMODS	+= axf
+DRV_KMODS	+= udmf 
+DRV_KMODS	+= upf
+DRV_KMODS	+= urf 
+
+#
 #	1394 modules
 #
 MISC_KMODS	+= s1394 sbp2
@@ -500,7 +520,8 @@ MISC_KMODS	+= md_sp
 #
 #	Brand modules
 #
-BRAND_KMODS	+= sn1_brand s10_brand
+BRAND_KMODS	+= sn1_brand sngl_brand s10_brand lx_brand
+DRV_KMODS	+= lx_systrace lx_ptm lx_audio lx_netlink
 
 #
 #	Exec Class Modules (/kernel/exec):
@@ -515,10 +536,10 @@ SCHED_KMODS	+= IA RT TS RT_DPTBL TS_DPTBL FSS FX FX_DPTBL SDC
 #
 #	File System Modules (/kernel/fs):
 #
-FS_KMODS	+= autofs cachefs ctfs dcfs dev devfs fdfs fifofs hsfs lofs
-FS_KMODS	+= mntfs namefs nfs objfs zfs zut
+FS_KMODS	+= autofs cachefs ctfs dcfs dev devfs fdfs fifofs hsfs hyprlofs
+FS_KMODS	+= lofs lx_afs lx_proc lxprocfs mntfs namefs nfs objfs zfs zut
 FS_KMODS	+= pcfs procfs sockfs specfs tmpfs udfs ufs sharefs
-FS_KMODS	+= smbfs
+FS_KMODS	+= smbfs bootfs
 
 #
 #	Streams Modules (/kernel/strmod):
@@ -578,6 +599,7 @@ MISC_KMODS	+= drm
 MISC_KMODS	+= fssnap_if
 MISC_KMODS	+= gda
 MISC_KMODS	+= gld
+MISC_KMODS	+= gsqueue
 MISC_KMODS	+= hidparser
 MISC_KMODS	+= hook
 MISC_KMODS	+= hpcsvc
@@ -692,6 +714,12 @@ MAC_KMODS	+= mac_wifi
 MAC_KMODS	+= mac_ib
 
 #
+#	Overlay related modules (/kernel/overlay)
+#
+DRV_KMODS	+= overlay
+OVERLAY_KMODS	+= vxlan
+
+#
 # socketmod (kernel/socketmod)
 #
 SOCKET_KMODS	+= sockpfp
@@ -699,6 +727,7 @@ SOCKET_KMODS	+= socksctp
 SOCKET_KMODS    += socksdp
 SOCKET_KMODS	+= sockrds
 SOCKET_KMODS	+= ksslf
+SOCKET_KMODS	+= datafilt
 
 #
 #	kiconv modules (/kernel/kiconv):
diff --git a/usr/src/uts/intel/Makefile.rules b/usr/src/uts/intel/Makefile.rules
index b246e8fcca..65c31ba168 100644
--- a/usr/src/uts/intel/Makefile.rules
+++ b/usr/src/uts/intel/Makefile.rules
@@ -61,6 +61,9 @@ $(OBJS_DIR)/%.o:		$(SRC)/common/util/i386/%.s
 $(OBJS_DIR)/%.o:		$(UTSBASE)/intel/brand/sn1/%.s
 	$(COMPILE.s) -o $@ $<
 
+$(OBJS_DIR)/%.o:		$(UTSBASE)/intel/brand/sngl/%.s
+	$(COMPILE.s) -o $@ $<
+
 $(OBJS_DIR)/%.o:		$(UTSBASE)/intel/brand/solaris10/%.s
 	$(COMPILE.s) -o $@ $<
 
@@ -177,6 +180,10 @@ $(OBJS_DIR)/%.o:		$(UTSBASE)/intel/io/intel_nb5000/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
 
+$(OBJS_DIR)/%.o:		$(UTSBASE)/intel/io/vmxnet/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
 $(OBJS_DIR)/%.o:		$(UTSBASE)/intel/io/intel_nhm/%.c
 	$(COMPILE.c) -o $@ $<
 	$(CTFCONVERT_O)
@@ -319,6 +326,9 @@ $(LINTS_DIR)/%.ln:		$(SRC)/common/util/i386/%.s
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/intel/brand/sn1/%.s
 	@($(LHEAD) $(LINT.s) $< $(LTAIL))
 
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/intel/brand/sngl/%.s
+	@($(LHEAD) $(LINT.s) $< $(LTAIL))
+
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/intel/brand/solaris10/%.s
 	@($(LHEAD) $(LINT.s) $< $(LTAIL))
 
@@ -457,6 +467,9 @@ $(LINTS_DIR)/%.ln:		$(UTSBASE)/intel/io/scsi/targets/%.c
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/intel/io/vgatext/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/intel/io/vmxnet/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
 $(LINTS_DIR)/%.ln:		$(UTSBASE)/intel/io/heci/%.c
 	@($(LHEAD) $(LINT.c) $< $(LTAIL))
 
diff --git a/usr/src/uts/intel/axf/Makefile b/usr/src/uts/intel/axf/Makefile
new file mode 100644
index 0000000000..e4665c0186
--- /dev/null
+++ b/usr/src/uts/intel/axf/Makefile
@@ -0,0 +1,73 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= axf
+OBJECTS		= $(AXF_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(AXF_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(ROOT_DRV_DIR)/$(MODULE)
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+CPPFLAGS	+= -I$(UTSBASE)/common/io/usbgem
+CPPFLAGS	+= -DVERSION=\"2.0.2\"
+CPPFLAGS	+= -DUSBGEM_CONFIG_GLDv3
+LDFLAGS		+= -dy -N misc/mac -N drv/ip -N misc/usba -N misc/usbgem
+
+CERRWARN	+= -_gcc=-Wno-unused-function
+CERRWARN	+= -_gcc=-Wno-unused-variable
+CERRWARN	+= -_gcc=-Wno-unused-label
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/bootfs/Makefile b/usr/src/uts/intel/bootfs/Makefile
new file mode 100644
index 0000000000..ca412de439
--- /dev/null
+++ b/usr/src/uts/intel/bootfs/Makefile
@@ -0,0 +1,72 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+#	This makefile drives the production of the bootfs file system
+#	kernel module.
+#
+#	intel architecture dependent
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= bootfs
+OBJECTS		= $(BOOTFS_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(BOOTFS_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(ROOT_FS_DIR)/$(MODULE)
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/brand/common/brand_asm.h b/usr/src/uts/intel/brand/common/brand_asm.h
index 1d540db2a9..c820d8e187 100644
--- a/usr/src/uts/intel/brand/common/brand_asm.h
+++ b/usr/src/uts/intel/brand/common/brand_asm.h
@@ -161,7 +161,7 @@ extern "C" {
 
 #define	GET_P_BRAND_DATA(sp, pcnt, reg)					\
 	GET_PROCP(sp, pcnt, reg);					\
-	mov	P_BRAND_DATA(reg), reg		/* get p_brand_data */
+	mov	__P_BRAND_DATA(reg), reg	/* get p_brand_data */
 
 /*
  * Each of the following macros returns to the standard syscall codepath if
diff --git a/usr/src/uts/intel/brand/lx/lx_archdep.c b/usr/src/uts/intel/brand/lx/lx_archdep.c
new file mode 100644
index 0000000000..3e4dd8677e
--- /dev/null
+++ b/usr/src/uts/intel/brand/lx/lx_archdep.c
@@ -0,0 +1,1220 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+/*
+ * LX brand Intel-specific routines.
+ */
+
+#include <sys/types.h>
+#include <sys/sunddi.h>
+#include <sys/ddi.h>
+#include <sys/brand.h>
+#include <sys/lx_brand.h>
+#include <sys/privregs.h>
+#include <sys/pcb.h>
+#include <sys/archsystm.h>
+#include <sys/stack.h>
+#include <sys/sdt.h>
+#include <sys/sysmacros.h>
+#include <lx_errno.h>
+
+#define	LX_REG(ucp, r)	((ucp)->uc_mcontext.gregs[(r)])
+
+extern int getsetcontext(int, void *);
+#if defined(_SYSCALL32_IMPL)
+extern int getsetcontext32(int, void *);
+#endif
+
+#if defined(__amd64)
+static int
+lx_rw_uc(proc_t *p, void *ucp, void *kucp, size_t ucsz, boolean_t writing)
+{
+	int error = 0;
+	size_t rem = ucsz;
+	off_t pos = 0;
+
+	VERIFY(MUTEX_HELD(&p->p_lock));
+
+	/*
+	 * Grab P_PR_LOCK so that we can drop p_lock while doing I/O.
+	 */
+	sprlock_proc(p);
+
+	/*
+	 * Drop p_lock while we do I/O to avoid deadlock with the clock thread.
+	 */
+	mutex_exit(&p->p_lock);
+	while (rem != 0) {
+		uintptr_t addr = (uintptr_t)ucp + pos;
+		size_t len = MIN(rem, PAGESIZE - (addr & PAGEOFFSET));
+
+		if (writing) {
+			error = uwrite(p, kucp + pos, len, addr);
+		} else {
+			error = uread(p, kucp + pos, len, addr);
+		}
+
+		if (error != 0) {
+			break;
+		}
+
+		rem -= len;
+		pos += len;
+	}
+	mutex_enter(&p->p_lock);
+
+	sprunlock(p);
+	mutex_enter(&p->p_lock);
+
+	return (error);
+}
+
+/*
+ * Read a ucontext_t from the target process, which may or may not be
+ * the current process.
+ */
+static int
+lx_read_uc(proc_t *p, void *ucp, void *kucp, size_t ucsz)
+{
+	return (lx_rw_uc(p, ucp, kucp, ucsz, B_FALSE));
+}
+
+/*
+ * Write a ucontext_t to the target process, which may or may not be
+ * the current process.
+ */
+static int
+lx_write_uc(proc_t *p, void *ucp, void *kucp, size_t ucsz)
+{
+	return (lx_rw_uc(p, ucp, kucp, ucsz, B_TRUE));
+}
+#endif /* __amd64 */
+
+/*
+ * Load register state from a usermode "lx_user_regs_t" in the tracer
+ * and store it in the tracee ucontext_t.
+ */
+int
+lx_userregs_to_uc(lx_lwp_data_t *lwpd, void *ucp, void *uregsp)
+{
+#if defined(__amd64)
+	klwp_t *lwp = lwpd->br_lwp;
+	proc_t *p = lwptoproc(lwp);
+
+	switch (get_udatamodel()) {
+	case DATAMODEL_LP64: {
+		lx_user_regs_t lxur;
+
+		if (copyin(uregsp, &lxur, sizeof (lxur)) != 0) {
+			return (EFAULT);
+		}
+
+		switch (lwp_getdatamodel(lwp)) {
+		case DATAMODEL_LP64: {
+			ucontext_t uc;
+
+			if (lx_read_uc(p, ucp, &uc, sizeof (uc)) != 0) {
+				return (EIO);
+			}
+
+			/*
+			 * Note: we currently ignore "lxur_orig_rax" here, as
+			 * this path should not be used for system call stops.
+			 */
+			LX_REG(&uc, REG_R15) = lxur.lxur_r15;
+			LX_REG(&uc, REG_R14) = lxur.lxur_r14;
+			LX_REG(&uc, REG_R13) = lxur.lxur_r13;
+			LX_REG(&uc, REG_R12) = lxur.lxur_r12;
+			LX_REG(&uc, REG_RBP) = lxur.lxur_rbp;
+			LX_REG(&uc, REG_RBX) = lxur.lxur_rbx;
+			LX_REG(&uc, REG_R11) = lxur.lxur_r11;
+			LX_REG(&uc, REG_R10) = lxur.lxur_r10;
+			LX_REG(&uc, REG_R9) = lxur.lxur_r9;
+			LX_REG(&uc, REG_R8) = lxur.lxur_r8;
+			LX_REG(&uc, REG_RAX) = lxur.lxur_rax;
+			LX_REG(&uc, REG_RCX) = lxur.lxur_rcx;
+			LX_REG(&uc, REG_RDX) = lxur.lxur_rdx;
+			LX_REG(&uc, REG_RSI) = lxur.lxur_rsi;
+			LX_REG(&uc, REG_RDI) = lxur.lxur_rdi;
+			LX_REG(&uc, REG_RIP) = lxur.lxur_rip;
+			LX_REG(&uc, REG_CS) = lxur.lxur_xcs;
+			LX_REG(&uc, REG_RFL) = lxur.lxur_rflags;
+			LX_REG(&uc, REG_RSP) = lxur.lxur_rsp;
+			LX_REG(&uc, REG_SS) = lxur.lxur_xss;
+			LX_REG(&uc, REG_FSBASE) = lxur.lxur_xfs_base;
+			LX_REG(&uc, REG_GSBASE) = lxur.lxur_xgs_base;
+
+			LX_REG(&uc, REG_DS) = lxur.lxur_xds;
+			LX_REG(&uc, REG_ES) = lxur.lxur_xes;
+			LX_REG(&uc, REG_FS) = lxur.lxur_xfs;
+			LX_REG(&uc, REG_GS) = lxur.lxur_xgs;
+
+			if (lx_write_uc(p, ucp, &uc, sizeof (uc)) != 0) {
+				return (EIO);
+			}
+
+			return (0);
+		}
+
+		case DATAMODEL_ILP32: {
+			ucontext32_t uc;
+
+			if (lx_read_uc(p, ucp, &uc, sizeof (uc)) != 0) {
+				return (EIO);
+			}
+
+			/*
+			 * Note: we currently ignore "lxur_orig_eax" here, as
+			 * this path should not be used for system call stops.
+			 */
+			LX_REG(&uc, EBP) = (int32_t)lxur.lxur_rbp;
+			LX_REG(&uc, EBX) = (int32_t)lxur.lxur_rbx;
+			LX_REG(&uc, EAX) = (int32_t)lxur.lxur_rax;
+			LX_REG(&uc, ECX) = (int32_t)lxur.lxur_rcx;
+			LX_REG(&uc, EDX) = (int32_t)lxur.lxur_rdx;
+			LX_REG(&uc, ESI) = (int32_t)lxur.lxur_rsi;
+			LX_REG(&uc, EDI) = (int32_t)lxur.lxur_rdi;
+			LX_REG(&uc, EIP) = (int32_t)lxur.lxur_rip;
+			LX_REG(&uc, CS) = (int32_t)lxur.lxur_xcs;
+			LX_REG(&uc, EFL) = (int32_t)lxur.lxur_rflags;
+			LX_REG(&uc, UESP) = (int32_t)lxur.lxur_rsp;
+			LX_REG(&uc, SS) = (int32_t)lxur.lxur_xss;
+
+			LX_REG(&uc, DS) = (int32_t)lxur.lxur_xds;
+			LX_REG(&uc, ES) = (int32_t)lxur.lxur_xes;
+			LX_REG(&uc, FS) = (int32_t)lxur.lxur_xfs;
+			LX_REG(&uc, GS) = (int32_t)lxur.lxur_xgs;
+
+			if (lx_write_uc(p, ucp, &uc, sizeof (uc)) != 0) {
+				return (EIO);
+			}
+
+			return (0);
+		}
+
+		default:
+			return (EIO);
+		}
+
+		return (EIO);
+	}
+
+	case DATAMODEL_ILP32: {
+		lx_user_regs32_t lxur;
+		ucontext32_t uc;
+
+		if (lwp_getdatamodel(lwp) != DATAMODEL_ILP32) {
+			/*
+			 * The target is not a 32-bit LWP.  We refuse to
+			 * present truncated 64-bit registers to a 32-bit
+			 * tracer.
+			 */
+			return (EIO);
+		}
+
+		if (copyin(uregsp, &lxur, sizeof (lxur)) != 0) {
+			return (EFAULT);
+		}
+
+		if (lx_read_uc(p, ucp, &uc, sizeof (uc)) != 0) {
+			return (EIO);
+		}
+
+		/*
+		 * Note: we currently ignore "lxur_orig_eax" here, as
+		 * this path should not be used for system call stops.
+		 */
+		LX_REG(&uc, EBX) = lxur.lxur_ebx;
+		LX_REG(&uc, ECX) = lxur.lxur_ecx;
+		LX_REG(&uc, EDX) = lxur.lxur_edx;
+		LX_REG(&uc, ESI) = lxur.lxur_esi;
+		LX_REG(&uc, EDI) = lxur.lxur_edi;
+		LX_REG(&uc, EBP) = lxur.lxur_ebp;
+		LX_REG(&uc, EAX) = lxur.lxur_eax;
+		LX_REG(&uc, EIP) = lxur.lxur_eip;
+		LX_REG(&uc, CS) = lxur.lxur_xcs;
+		LX_REG(&uc, EFL) = lxur.lxur_eflags;
+		LX_REG(&uc, UESP) = lxur.lxur_esp;
+		LX_REG(&uc, SS) = lxur.lxur_xss;
+
+		LX_REG(&uc, DS) = lxur.lxur_xds;
+		LX_REG(&uc, ES) = lxur.lxur_xes;
+		LX_REG(&uc, FS) = lxur.lxur_xfs;
+		LX_REG(&uc, GS) = lxur.lxur_xgs;
+
+		if (lx_write_uc(p, ucp, &uc, sizeof (uc)) != 0) {
+			return (EIO);
+		}
+
+		return (EIO);
+	}
+
+	default:
+		return (EIO);
+	}
+#else
+	cmn_err(CE_WARN, "%s: no 32-bit kernel support", __FUNCTION__);
+	exit(CLD_KILLED, SIGSYS);
+	return (EIO);
+#endif /* __amd64 */
+}
+
+/*
+ * Copy register state from a ucontext_t in the tracee to a usermode
+ * "lx_user_regs_t" in the tracer.
+ */
+int
+lx_uc_to_userregs(lx_lwp_data_t *lwpd, void *ucp, void *uregsp)
+{
+#if defined(__amd64)
+	klwp_t *lwp = lwpd->br_lwp;
+	proc_t *p = lwptoproc(lwp);
+
+	switch (get_udatamodel()) {
+	case DATAMODEL_LP64: {
+		lx_user_regs_t lxur;
+
+		switch (lwp_getdatamodel(lwp)) {
+		case DATAMODEL_LP64: {
+			ucontext_t uc;
+
+			if (lx_read_uc(p, ucp, &uc, sizeof (uc)) != 0) {
+				return (EIO);
+			}
+
+			lxur.lxur_r15 = LX_REG(&uc, REG_R15);
+			lxur.lxur_r14 = LX_REG(&uc, REG_R14);
+			lxur.lxur_r13 = LX_REG(&uc, REG_R13);
+			lxur.lxur_r12 = LX_REG(&uc, REG_R12);
+			lxur.lxur_rbp = LX_REG(&uc, REG_RBP);
+			lxur.lxur_rbx = LX_REG(&uc, REG_RBX);
+			lxur.lxur_r11 = LX_REG(&uc, REG_R11);
+			lxur.lxur_r10 = LX_REG(&uc, REG_R10);
+			lxur.lxur_r9 = LX_REG(&uc, REG_R9);
+			lxur.lxur_r8 = LX_REG(&uc, REG_R8);
+			lxur.lxur_rax = LX_REG(&uc, REG_RAX);
+			lxur.lxur_rcx = LX_REG(&uc, REG_RCX);
+			lxur.lxur_rdx = LX_REG(&uc, REG_RDX);
+			lxur.lxur_rsi = LX_REG(&uc, REG_RSI);
+			lxur.lxur_rdi = LX_REG(&uc, REG_RDI);
+			lxur.lxur_orig_rax = 0;
+			lxur.lxur_rip = LX_REG(&uc, REG_RIP);
+			/*
+			 * strace on some releases (e.g. centos) uses the %cs
+			 * value to determine what kind of process is being
+			 * traced. Here is a sample comment:
+			 *	Check CS register value. On x86-64 linux it is:
+			 *	    0x33	for long mode (64 bit and x32))
+			 *	    0x23	for compatibility mode (32 bit)
+			 *	%ds = 0x2b for x32 mode (x86-64 in 32 bit)
+			 * We can't change the %cs value in the ucp (see
+			 * setgregs and _sys_rtt) so we emulate the expected
+			 * value for ptrace use.
+			 */
+			lxur.lxur_xcs = 0x33;
+			lxur.lxur_rflags = LX_REG(&uc, REG_RFL);
+			lxur.lxur_rsp = LX_REG(&uc, REG_RSP);
+			lxur.lxur_xss = LX_REG(&uc, REG_SS);
+			lxur.lxur_xfs_base = LX_REG(&uc, REG_FSBASE);
+			lxur.lxur_xgs_base = LX_REG(&uc, REG_GSBASE);
+
+			lxur.lxur_xds = LX_REG(&uc, REG_DS);
+			lxur.lxur_xes = LX_REG(&uc, REG_ES);
+			lxur.lxur_xfs = LX_REG(&uc, REG_FS);
+			lxur.lxur_xgs = LX_REG(&uc, REG_GS);
+
+			if (copyout(&lxur, uregsp, sizeof (lxur)) != 0) {
+				return (EFAULT);
+			}
+
+			return (0);
+		}
+
+		case DATAMODEL_ILP32: {
+			ucontext32_t uc;
+
+			if (lx_read_uc(p, ucp, &uc, sizeof (uc)) != 0) {
+				return (EIO);
+			}
+
+			lxur.lxur_r15 = 0;
+			lxur.lxur_r14 = 0;
+			lxur.lxur_r13 = 0;
+			lxur.lxur_r12 = 0;
+			lxur.lxur_rbp = LX_REG(&uc, EBP);
+			lxur.lxur_rbx = LX_REG(&uc, EBX);
+			lxur.lxur_r11 = 0;
+			lxur.lxur_r10 = 0;
+			lxur.lxur_r9 = 0;
+			lxur.lxur_r8 = 0;
+			lxur.lxur_rax = LX_REG(&uc, EAX);
+			lxur.lxur_rcx = LX_REG(&uc, ECX);
+			lxur.lxur_rdx = LX_REG(&uc, EDX);
+			lxur.lxur_rsi = LX_REG(&uc, ESI);
+			lxur.lxur_rdi = LX_REG(&uc, EDI);
+			lxur.lxur_orig_rax = 0;
+			lxur.lxur_rip = LX_REG(&uc, EIP);
+			/* See comment above re: %cs register */
+			lxur.lxur_xcs = 0x23;
+			lxur.lxur_rflags = LX_REG(&uc, EFL);
+			lxur.lxur_rsp = LX_REG(&uc, UESP);
+			lxur.lxur_xss = LX_REG(&uc, SS);
+			lxur.lxur_xfs_base = 0;
+			lxur.lxur_xgs_base = 0;
+
+			lxur.lxur_xds = LX_REG(&uc, DS);
+			lxur.lxur_xes = LX_REG(&uc, ES);
+			lxur.lxur_xfs = LX_REG(&uc, FS);
+			lxur.lxur_xgs = LX_REG(&uc, GS);
+
+			if (copyout(&lxur, uregsp, sizeof (lxur)) != 0) {
+				return (EFAULT);
+			}
+
+			return (0);
+		}
+
+		default:
+			return (EIO);
+		}
+	}
+
+	case DATAMODEL_ILP32: {
+		lx_user_regs32_t lxur;
+		ucontext32_t uc;
+
+		if (lwp_getdatamodel(lwp) != DATAMODEL_ILP32) {
+			/*
+			 * The target is not a 32-bit LWP.  We refuse to
+			 * present truncated 64-bit registers to a 32-bit
+			 * tracer.
+			 */
+			return (EIO);
+		}
+
+		if (lx_read_uc(p, ucp, &uc, sizeof (uc)) != 0) {
+			return (EIO);
+		}
+
+		lxur.lxur_ebx = LX_REG(&uc, EBX);
+		lxur.lxur_ecx = LX_REG(&uc, ECX);
+		lxur.lxur_edx = LX_REG(&uc, EDX);
+		lxur.lxur_esi = LX_REG(&uc, ESI);
+		lxur.lxur_edi = LX_REG(&uc, EDI);
+		lxur.lxur_ebp = LX_REG(&uc, EBP);
+		lxur.lxur_eax = LX_REG(&uc, EAX);
+		lxur.lxur_orig_eax = 0;
+		lxur.lxur_eip = LX_REG(&uc, EIP);
+		/* See comment above re: %cs register */
+		lxur.lxur_xcs = 0x23;
+		lxur.lxur_eflags = LX_REG(&uc, EFL);
+		lxur.lxur_esp = LX_REG(&uc, UESP);
+		lxur.lxur_xss = LX_REG(&uc, SS);
+
+		lxur.lxur_xds = LX_REG(&uc, DS);
+		lxur.lxur_xes = LX_REG(&uc, ES);
+		lxur.lxur_xfs = LX_REG(&uc, FS);
+		lxur.lxur_xgs = LX_REG(&uc, GS);
+
+		if (copyout(&lxur, uregsp, sizeof (lxur)) != 0) {
+			return (EFAULT);
+		}
+
+		return (0);
+	}
+
+	default:
+		return (EIO);
+	}
+#else
+	cmn_err(CE_WARN, "%s: no 32-bit kernel support", __FUNCTION__);
+	exit(CLD_KILLED, SIGSYS);
+	return (EIO);
+#endif
+}
+
+/*
+ * Load a usermode "lx_user_regs_t" into the register state of the target LWP.
+ */
+int
+lx_userregs_to_regs(lx_lwp_data_t *lwpd, void *uregsp)
+{
+	klwp_t *lwp = lwpd->br_lwp;
+	proc_t *p = lwptoproc(lwp);
+
+	VERIFY(MUTEX_HELD(&p->p_lock));
+
+#if defined(__amd64)
+	struct regs *rp = lwptoregs(lwp);
+	struct pcb *pcb = &lwp->lwp_pcb;
+
+	switch (get_udatamodel()) {
+	case DATAMODEL_LP64: {
+		lx_user_regs_t lxur;
+
+		if (copyin(uregsp, &lxur, sizeof (lxur)) != 0) {
+			return (EFAULT);
+		}
+
+		rp->r_r15 = lxur.lxur_r15;
+		rp->r_r14 = lxur.lxur_r14;
+		rp->r_r13 = lxur.lxur_r13;
+		rp->r_r12 = lxur.lxur_r12;
+		rp->r_rbp = lxur.lxur_rbp;
+		rp->r_rbx = lxur.lxur_rbx;
+		rp->r_r11 = lxur.lxur_r11;
+		rp->r_r10 = lxur.lxur_r10;
+		rp->r_r9 = lxur.lxur_r9;
+		rp->r_r8 = lxur.lxur_r8;
+		rp->r_rax = lxur.lxur_rax;
+		rp->r_rcx = lxur.lxur_rcx;
+		rp->r_rdx = lxur.lxur_rdx;
+		rp->r_rsi = lxur.lxur_rsi;
+		rp->r_rdi = lxur.lxur_rdi;
+		lwpd->br_syscall_num = (int)lxur.lxur_orig_rax;
+		rp->r_rip = lxur.lxur_rip;
+		rp->r_cs = lxur.lxur_xcs;
+		rp->r_rfl = lxur.lxur_rflags;
+		rp->r_rsp = lxur.lxur_rsp;
+		rp->r_ss = lxur.lxur_xss;
+		pcb->pcb_fsbase = lxur.lxur_xfs_base;
+		pcb->pcb_gsbase = lxur.lxur_xgs_base;
+
+		kpreempt_disable();
+		pcb->pcb_rupdate = 1;
+		pcb->pcb_ds = lxur.lxur_xds;
+		pcb->pcb_es = lxur.lxur_xes;
+		pcb->pcb_fs = lxur.lxur_xfs;
+		pcb->pcb_gs = lxur.lxur_xgs;
+		kpreempt_enable();
+
+		return (0);
+	}
+
+	case DATAMODEL_ILP32: {
+		lx_user_regs32_t lxur;
+
+		if (lwp_getdatamodel(lwp) != DATAMODEL_ILP32) {
+			/*
+			 * The target is not a 32-bit LWP.  We refuse to
+			 * present truncated 64-bit registers to a 32-bit
+			 * tracer.
+			 */
+			return (EIO);
+		}
+
+		if (copyin(uregsp, &lxur, sizeof (lxur)) != 0) {
+			return (EFAULT);
+		}
+
+		rp->r_rbx = lxur.lxur_ebx;
+		rp->r_rcx = lxur.lxur_ecx;
+		rp->r_rdx = lxur.lxur_edx;
+		rp->r_rsi = lxur.lxur_esi;
+		rp->r_rdi = lxur.lxur_edi;
+		rp->r_rbp = lxur.lxur_ebp;
+		rp->r_rax = lxur.lxur_eax;
+		lwpd->br_syscall_num = (int)lxur.lxur_orig_eax;
+		rp->r_rip = lxur.lxur_eip;
+		rp->r_cs = lxur.lxur_xcs;
+		rp->r_rfl = lxur.lxur_eflags;
+		rp->r_rsp = lxur.lxur_esp;
+		rp->r_ss = lxur.lxur_xss;
+
+		kpreempt_disable();
+		pcb->pcb_rupdate = 1;
+		pcb->pcb_ds = lxur.lxur_xds;
+		pcb->pcb_es = lxur.lxur_xes;
+		pcb->pcb_fs = lxur.lxur_xfs;
+		pcb->pcb_gs = lxur.lxur_xgs;
+		kpreempt_enable();
+
+		return (0);
+	}
+
+	default:
+		return (EIO);
+	}
+#else
+	cmn_err(CE_WARN, "%s: no 32-bit kernel support", __FUNCTION__);
+	exit(CLD_KILLED, SIGSYS);
+	return (EIO);
+#endif /* __amd64 */
+}
+
+/*
+ * Copy the current LWP register state of the target LWP to a usermode
+ * "lx_user_regs_t".
+ */
+int
+lx_regs_to_userregs(lx_lwp_data_t *lwpd, void *uregsp)
+{
+#if defined(__amd64)
+	klwp_t *lwp = lwpd->br_lwp;
+	struct regs *rp = lwptoregs(lwp);
+	proc_t *p = lwptoproc(lwp);
+
+	VERIFY(MUTEX_HELD(&p->p_lock));
+
+	struct pcb *pcb = &lwp->lwp_pcb;
+	long r0, orig_r0;
+
+	/*
+	 * We must precisely emulate the "syscall-entry-stop" and
+	 * "syscall-exit-stop" register appearance from the Linux kernel.
+	 */
+	switch (lwpd->br_ptrace_whatstop) {
+	case LX_PR_SYSENTRY:
+		orig_r0 = lwpd->br_syscall_num;
+		r0 = -lx_errno(ENOTSUP, EINVAL);
+		break;
+	case LX_PR_SYSEXIT:
+		orig_r0 = lwpd->br_syscall_num;
+		r0 = rp->r_rax;
+		break;
+	default:
+		orig_r0 = 0;
+		r0 = rp->r_rax;
+	}
+
+	switch (get_udatamodel()) {
+	case DATAMODEL_LP64: {
+		lx_user_regs_t lxur;
+
+		lxur.lxur_r15 = rp->r_r15;
+		lxur.lxur_r14 = rp->r_r14;
+		lxur.lxur_r13 = rp->r_r13;
+		lxur.lxur_r12 = rp->r_r12;
+		lxur.lxur_rbp = rp->r_rbp;
+		lxur.lxur_rbx = rp->r_rbx;
+		lxur.lxur_r11 = rp->r_r11;
+		lxur.lxur_r10 = rp->r_r10;
+		lxur.lxur_r9 = rp->r_r9;
+		lxur.lxur_r8 = rp->r_r8;
+		lxur.lxur_rax = r0;
+		lxur.lxur_rcx = rp->r_rcx;
+		lxur.lxur_rdx = rp->r_rdx;
+		lxur.lxur_rsi = rp->r_rsi;
+		lxur.lxur_rdi = rp->r_rdi;
+		lxur.lxur_orig_rax = orig_r0;
+		lxur.lxur_rip = rp->r_rip;
+		/*
+		 * strace on some releases (e.g. centos) uses the %cs value to
+		 * determine what kind of process is being traced. Here is a
+		 * sample comment:
+		 *	Check CS register value. On x86-64 linux it is:
+		 *	    0x33	for long mode (64 bit and x32))
+		 *	    0x23	for compatibility mode (32 bit)
+		 *	%ds = 0x2b for x32 mode (x86-64 in 32 bit)
+		 * We can't change the %cs value in the ucp (see setgregs and
+		 * _sys_rtt) so we emulate the expected value for ptrace use.
+		 */
+		if (lwp_getdatamodel(lwp) == DATAMODEL_ILP32) {
+			lxur.lxur_xcs = 0x23;
+		} else {
+			lxur.lxur_xcs = 0x33;
+		}
+		lxur.lxur_rflags = rp->r_rfl;
+		lxur.lxur_rsp = rp->r_rsp;
+		lxur.lxur_xss = rp->r_ss;
+		lxur.lxur_xfs_base = pcb->pcb_fsbase;
+		lxur.lxur_xgs_base = pcb->pcb_gsbase;
+
+		kpreempt_disable();
+		if (pcb->pcb_rupdate == 1) {
+			lxur.lxur_xds = pcb->pcb_ds;
+			lxur.lxur_xes = pcb->pcb_es;
+			lxur.lxur_xfs = pcb->pcb_fs;
+			lxur.lxur_xgs = pcb->pcb_gs;
+		} else {
+			lxur.lxur_xds = rp->r_ds;
+			lxur.lxur_xes = rp->r_es;
+			lxur.lxur_xfs = rp->r_fs;
+			lxur.lxur_xgs = rp->r_gs;
+		}
+		kpreempt_enable();
+
+		if (copyout(&lxur, uregsp, sizeof (lxur)) != 0) {
+			return (EFAULT);
+		}
+
+		return (0);
+	}
+
+	case DATAMODEL_ILP32: {
+		lx_user_regs32_t lxur;
+
+		if (lwp_getdatamodel(lwp) != DATAMODEL_ILP32) {
+			/*
+			 * The target is not a 32-bit LWP.  We refuse to
+			 * present truncated 64-bit registers to a 32-bit
+			 * tracer.
+			 */
+			return (EIO);
+		}
+
+		lxur.lxur_ebx = (int32_t)rp->r_rbx;
+		lxur.lxur_ecx = (int32_t)rp->r_rcx;
+		lxur.lxur_edx = (int32_t)rp->r_rdx;
+		lxur.lxur_esi = (int32_t)rp->r_rsi;
+		lxur.lxur_edi = (int32_t)rp->r_rdi;
+		lxur.lxur_ebp = (int32_t)rp->r_rbp;
+		lxur.lxur_eax = (int32_t)r0;
+		lxur.lxur_orig_eax = (int32_t)orig_r0;
+		lxur.lxur_eip = (int32_t)rp->r_rip;
+		/* See comment above for 64-bit datamodel */
+		lxur.lxur_xcs = 0x23;
+		lxur.lxur_eflags = (int32_t)rp->r_rfl;
+		lxur.lxur_esp = (int32_t)rp->r_rsp;
+		lxur.lxur_xss = (int32_t)rp->r_ss;
+
+		kpreempt_disable();
+		if (pcb->pcb_rupdate == 1) {
+			lxur.lxur_xds = pcb->pcb_ds;
+			lxur.lxur_xes = pcb->pcb_es;
+			lxur.lxur_xfs = pcb->pcb_fs;
+			lxur.lxur_xgs = pcb->pcb_gs;
+		} else {
+			lxur.lxur_xds = rp->r_ds;
+			lxur.lxur_xes = rp->r_es;
+			lxur.lxur_xfs = rp->r_fs;
+			lxur.lxur_xgs = rp->r_gs;
+		}
+		kpreempt_enable();
+
+		if (copyout(&lxur, uregsp, sizeof (lxur)) != 0) {
+			return (EFAULT);
+		}
+
+		return (0);
+	}
+
+	default:
+		return (EIO);
+	}
+#else
+	cmn_err(CE_WARN, "%s: no 32-bit kernel support", __FUNCTION__);
+	exit(CLD_KILLED, SIGSYS);
+	return (EIO);
+#endif /* __amd64 */
+}
+
+/*
+ * Load registers and repoint the stack and program counter.  This function is
+ * used by the B_JUMP_TO_LINUX brand system call to revector to a Linux
+ * entrypoint.
+ */
+int
+lx_runexe(klwp_t *lwp, void *ucp)
+{
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+
+	/*
+	 * We should only make it here when transitioning to Linux from
+	 * the NATIVE or INIT mode.
+	 */
+	VERIFY(lwpd->br_stack_mode == LX_STACK_MODE_NATIVE ||
+	    lwpd->br_stack_mode == LX_STACK_MODE_INIT);
+
+#if defined(__amd64)
+	if (lwp_getdatamodel(lwp) == DATAMODEL_NATIVE) {
+		struct pcb *pcb = &lwp->lwp_pcb;
+
+		/*
+		 * Preserve the %fs/%gsbase value for this LWP, as set and used
+		 * by native illumos code.
+		 */
+		lwpd->br_ntv_fsbase = pcb->pcb_fsbase;
+		lwpd->br_ntv_gsbase = pcb->pcb_gsbase;
+
+		return (getsetcontext(SETCONTEXT, ucp));
+	} else {
+		return (getsetcontext32(SETCONTEXT, ucp));
+	}
+#else
+	return (getsetcontext(SETCONTEXT, ucp));
+#endif
+}
+
+/*
+ * The usermode emulation code is illumos library code.  This routine ensures
+ * the segment registers are set up correctly for native illumos code.  It
+ * should be called _after_ we have stored the outgoing Linux machine state
+ * but _before_ we return from the kernel to any illumos native code; e.g. the
+ * usermode emulation library, or any interposed signal handlers.
+ *
+ * See the comment on lwp_segregs_save() for how we handle the usermode
+ * registers when we come into the kernel and see update_sregs() for how we
+ * restore.
+ */
+void
+lx_switch_to_native(klwp_t *lwp)
+{
+#if defined(__amd64)
+	model_t datamodel = lwp_getdatamodel(lwp);
+
+	switch (datamodel) {
+	case DATAMODEL_ILP32: {
+		struct pcb *pcb = &lwp->lwp_pcb;
+
+		/*
+		 * For 32-bit processes, we ensure that the correct %gs value
+		 * is loaded:
+		 */
+		kpreempt_disable();
+		if (pcb->pcb_rupdate == 1) {
+			/*
+			 * If we are already flushing the segment registers,
+			 * then ensure we are flushing the native %gs.
+			 */
+			pcb->pcb_gs = LWPGS_SEL;
+		} else {
+			struct regs *rp = lwptoregs(lwp);
+
+			/*
+			 * If we are not flushing the segment registers yet,
+			 * only do so if %gs is not correct already:
+			 */
+			if (rp->r_gs != LWPGS_SEL) {
+				pcb->pcb_gs = LWPGS_SEL;
+
+				/*
+				 * Ensure we go out via update_sregs.
+				 */
+				pcb->pcb_rupdate = 1;
+			}
+		}
+		kpreempt_enable();
+		break;
+	}
+
+	case DATAMODEL_LP64: {
+		lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+
+		/*
+		 * For 64-bit processes we ensure that the correct %fsbase
+		 * value is loaded:
+		 */
+		if (lwpd->br_ntv_fsbase != 0) {
+			struct pcb *pcb = &lwp->lwp_pcb;
+
+			kpreempt_disable();
+			if (pcb->pcb_fsbase != lwpd->br_ntv_fsbase) {
+				pcb->pcb_fsbase = lwpd->br_ntv_fsbase;
+
+				/*
+				 * Ensure we go out via update_sregs.
+				 */
+				pcb->pcb_rupdate = 1;
+			}
+			kpreempt_enable();
+		}
+		/*
+		 * ... and the correct %gsbase
+		 */
+		if (lwpd->br_ntv_gsbase != 0) {
+			struct pcb *pcb = &lwp->lwp_pcb;
+
+			kpreempt_disable();
+			if (pcb->pcb_gsbase != lwpd->br_ntv_gsbase) {
+				pcb->pcb_gsbase = lwpd->br_ntv_gsbase;
+
+				/*
+				 * Ensure we go out via update_sregs.
+				 */
+				pcb->pcb_rupdate = 1;
+			}
+			kpreempt_enable();
+		}
+		break;
+	}
+
+	default:
+		cmn_err(CE_PANIC, "unknown data model: %d", datamodel);
+	}
+#elif defined(__i386)
+	struct regs *rp = lwptoregs(lwp);
+
+	rp->r_gs = LWPGS_SEL;
+#else
+#error "unknown x86"
+#endif
+}
+
+#if defined(__amd64)
+/*
+ * Call frame for the 64-bit usermode emulation handler:
+ *    lx_emulate(ucontext_t *ucp, int syscall_num, uintptr_t *args)
+ *
+ * old sp: --------------------------------------------------------------
+ *  |      - ucontext_t              (register state for emulation)
+ *  |      - uintptr_t[6]            (system call arguments array)
+ *  V      --------------------------------------------------------------
+ * new sp: - bogus return address
+ *
+ * Arguments are passed in registers, per the AMD64 ABI: %rdi, %rsi and %rdx.
+ */
+void
+lx_emulate_user(klwp_t *lwp, int syscall_num, uintptr_t *args)
+{
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	struct regs *rp = lwptoregs(lwp);
+	label_t lab;
+	uintptr_t uc_addr;
+	uintptr_t args_addr;
+	uintptr_t top;
+	/*
+	 * Variables used after on_fault() returns for a fault
+	 * must be volatile.
+	 */
+	volatile size_t frsz;
+	volatile uintptr_t sp;
+	volatile proc_t *p = lwptoproc(lwp);
+	volatile int watched;
+
+	/*
+	 * We should not be able to get here unless we are running Linux
+	 * code for a system call we cannot emulate in the kernel.
+	 */
+	VERIFY(lwpd->br_stack_mode == LX_STACK_MODE_BRAND);
+
+	/*
+	 * The AMD64 ABI requires us to align the return address on the stack
+	 * so that when the called function pushes %rbp, the stack is 16-byte
+	 * aligned.
+	 *
+	 * This routine, like the amd64 version of sendsig(), depends on
+	 * STACK_ALIGN being 16 and STACK_ENTRY_ALIGN being 8.
+	 */
+#if STACK_ALIGN != 16 || STACK_ENTRY_ALIGN != 8
+#error "lx_emulate_user() amd64 did not find the expected stack alignments"
+#endif
+
+	/*
+	 * We begin at the current native stack pointer, and reserve space for
+	 * the ucontext_t we are copying onto the stack, as well as the call
+	 * arguments for the usermode emulation handler.
+	 *
+	 * We 16-byte align the entire frame, and then unalign it again by
+	 * adding space for the return address.
+	 */
+	frsz = SA(sizeof (ucontext_t)) + SA(6 * sizeof (uintptr_t)) +
+	    sizeof (uintptr_t);
+	VERIFY((frsz & (STACK_ALIGN - 1UL)) == 8);
+	VERIFY((frsz & (STACK_ENTRY_ALIGN - 1UL)) == 0);
+
+	if (lwpd->br_ntv_stack == lwpd->br_ntv_stack_current) {
+		/*
+		 * Nobody else is using the stack right now, so start at the
+		 * top.
+		 */
+		top = lwpd->br_ntv_stack_current;
+	} else {
+		/*
+		 * Drop below the 128-byte reserved region of the stack frame
+		 * we are interrupting.
+		 */
+		top = lwpd->br_ntv_stack_current - STACK_RESERVE;
+	}
+	top = top & ~(STACK_ALIGN - 1);
+	sp = top - frsz;
+
+	uc_addr = top - SA(sizeof (ucontext_t));
+	args_addr = uc_addr - SA(6 * sizeof (uintptr_t));
+
+	watched = watch_disable_addr((caddr_t)sp, frsz, S_WRITE);
+	if (on_fault(&lab)) {
+		goto badstack;
+	}
+
+	/*
+	 * Save the register state we preserved on the way into this brand
+	 * system call and drop it on the native stack.
+	 */
+	{
+		/*
+		 * Note: the amd64 ucontext_t is 864 bytes.
+		 */
+		ucontext_t uc;
+
+		/*
+		 * We do not want to save the signal mask for an emulation
+		 * context.  Some emulated system calls alter the signal mask;
+		 * restoring it when the emulation is complete would clobber
+		 * those intentional side effects.
+		 */
+		savecontext(&uc, NULL);
+
+		/*
+		 * Mark this as a system call emulation context:
+		 */
+		uc.uc_brand_data[0] = (void *)((uintptr_t)
+		    uc.uc_brand_data[0] | LX_UC_FRAME_IS_SYSCALL);
+
+		copyout_noerr(&uc, (void *)(uintptr_t)uc_addr, sizeof (uc));
+	}
+
+	DTRACE_PROBE3(oldcontext__set, klwp_t *, lwp,
+	    uintptr_t, lwp->lwp_oldcontext, uintptr_t, uc_addr);
+	lwp->lwp_oldcontext = (uintptr_t)uc_addr;
+
+	/*
+	 * Copy the system call arguments out to userland:
+	 */
+	copyout_noerr(args, (void *)(uintptr_t)args_addr,
+	    6 * sizeof (uintptr_t));
+
+	/*
+	 * Drop the bogus return address on the stack.
+	 */
+	suword64_noerr((void *)sp, 0);
+
+	no_fault();
+	if (watched) {
+		watch_enable_addr((caddr_t)sp, frsz, S_WRITE);
+	}
+
+	/*
+	 * Pass the arguments to lx_emulate() in the appropriate registers.
+	 */
+	rp->r_rdi = uc_addr;
+	rp->r_rsi = syscall_num;
+	rp->r_rdx = args_addr;
+
+	/*
+	 * In order to be able to restore %edx, we need to JUSTRETURN.
+	 */
+	lwp->lwp_eosys = JUSTRETURN;
+	curthread->t_post_sys = 1;
+	aston(curthread);
+
+	/*
+	 * Set stack pointer and return address to the usermode emulation
+	 * handler:
+	 */
+	lwpd->br_stack_mode = LX_STACK_MODE_NATIVE;
+	lx_lwp_set_native_stack_current(lwpd, sp);
+
+	/*
+	 * Divert execution, on our return, to the usermode emulation stack
+	 * and handler:
+	 */
+	rp->r_fp = 0;
+	rp->r_sp = sp;
+	rp->r_pc = ptolxproc(p)->l_handler;
+
+	/*
+	 * Fix up segment registers, etc.
+	 */
+	lx_switch_to_native(lwp);
+
+	return;
+
+badstack:
+	no_fault();
+	if (watched) {
+		watch_enable_addr((caddr_t)sp, frsz, S_WRITE);
+	}
+
+#ifdef DEBUG
+	printf("lx_emulate_user: bad native stack cmd=%s, pid=%d, sp=0x%lx\n",
+	    PTOU(p)->u_comm, p->p_pid, sp);
+#endif
+
+	exit(CLD_KILLED, SIGSEGV);
+}
+
+#if defined(_SYSCALL32_IMPL)
+/*
+ * Call frame for the 32-bit usermode emulation handler:
+ *    lx_emulate(ucontext_t *ucp, int syscall_num, uintptr_t *args)
+ *
+ * old sp: --------------------------------------------------------------
+ *  |      - ucontext_t              (register state for emulation)
+ *  |      - uintptr_t[6]            (system call arguments array)
+ *  |      --------------------------------------------------------------
+ *  |      - arg2: uintptr_t *       (pointer to arguments array above)
+ *  |      - arg1: int               (system call number)
+ *  V      - arg0: ucontext_t *      (pointer to context above)
+ * new sp: - bogus return address
+ */
+struct lx_emu_frame32 {
+	caddr32_t	retaddr;	/* 0 */
+	caddr32_t	ucontextp;	/* 4 */
+	int32_t		syscall_num;	/* 8 */
+	caddr32_t	argsp;		/* c */
+};
+
+/*
+ * This function arranges for the lwp to execute the usermode emulation handler
+ * for this system call.  The mechanism is similar to signal handling, and this
+ * function is modelled on sendsig32().
+ */
+void
+lx_emulate_user32(klwp_t *lwp, int syscall_num, uintptr_t *args)
+{
+	lx_lwp_data_t *lwpd = lwptolxlwp(lwp);
+	struct regs *rp = lwptoregs(lwp);
+	label_t lab;
+	caddr32_t uc_addr;
+	caddr32_t args_addr;
+	caddr32_t top;
+	/*
+	 * Variables used after on_fault() returns for a fault
+	 * must be volatile.
+	 */
+	volatile size_t frsz;
+	volatile caddr32_t sp;
+	volatile proc_t *p = lwptoproc(lwp);
+	volatile int watched;
+
+	/*
+	 * We should not be able to get here unless we are running Linux
+	 * code for a system call we cannot emulate in the kernel.
+	 */
+	VERIFY(lwpd->br_stack_mode == LX_STACK_MODE_BRAND);
+
+	/*
+	 * We begin at the current native stack pointer, and reserve space for
+	 * the ucontext_t we are copying onto the stack, as well as the call
+	 * arguments for the usermode emulation handler.
+	 */
+	frsz = SA32(sizeof (ucontext32_t)) + SA32(6 * sizeof (uint32_t)) +
+	    SA32(sizeof (struct lx_emu_frame32));
+	VERIFY((frsz & (STACK_ALIGN32 - 1)) == 0);
+
+	top = (caddr32_t)(lwpd->br_ntv_stack_current & ~(STACK_ALIGN32 - 1));
+	sp = top - frsz;
+
+	uc_addr = top - SA32(sizeof (ucontext32_t));
+	args_addr = uc_addr - SA32(6 * sizeof (uint32_t));
+
+	watched = watch_disable_addr((caddr_t)(uintptr_t)sp, frsz, S_WRITE);
+	if (on_fault(&lab)) {
+		goto badstack;
+	}
+
+	/*
+	 * Save the register state we preserved on the way into this brand
+	 * system call and drop it on the native stack.
+	 */
+	{
+		/*
+		 * Note: ucontext32_t is 512 bytes.
+		 */
+		ucontext32_t uc;
+
+		/*
+		 * We do not want to save the signal mask for an emulation
+		 * context.  Some emulated system calls alter the signal mask;
+		 * restoring it when the emulation is complete would clobber
+		 * those intentional side effects.
+		 */
+		savecontext32(&uc, NULL);
+
+		/*
+		 * Mark this as a system call emulation context:
+		 */
+		uc.uc_brand_data[0] |= LX_UC_FRAME_IS_SYSCALL;
+		copyout_noerr(&uc, (void *)(uintptr_t)uc_addr, sizeof (uc));
+	}
+
+	DTRACE_PROBE3(oldcontext__set, klwp_t *, lwp,
+	    uintptr_t, lwp->lwp_oldcontext, uintptr_t, uc_addr);
+	lwp->lwp_oldcontext = (uintptr_t)uc_addr;
+
+	/*
+	 * Copy the system call arguments out to userland:
+	 */
+	{
+		uint32_t args32[6];
+
+		args32[0] = args[0];
+		args32[1] = args[1];
+		args32[2] = args[2];
+		args32[3] = args[3];
+		args32[4] = args[4];
+		args32[5] = args[5];
+
+		copyout_noerr(&args32, (void *)(uintptr_t)args_addr,
+		    sizeof (args32));
+	}
+
+	/*
+	 * Assemble the call frame on the stack.
+	 */
+	{
+		struct lx_emu_frame32 frm;
+
+		frm.retaddr = 0;
+		frm.ucontextp = uc_addr;
+		frm.argsp = args_addr;
+		frm.syscall_num = syscall_num;
+
+		copyout_noerr(&frm, (void *)(uintptr_t)sp, sizeof (frm));
+	}
+
+	no_fault();
+	if (watched) {
+		watch_enable_addr((caddr_t)(uintptr_t)sp, frsz, S_WRITE);
+	}
+
+	/*
+	 * Set stack pointer and return address to the usermode emulation
+	 * handler:
+	 */
+	lwpd->br_stack_mode = LX_STACK_MODE_NATIVE;
+	lx_lwp_set_native_stack_current(lwpd, sp);
+
+	/*
+	 * Divert execution, on our return, to the usermode emulation stack
+	 * and handler:
+	 */
+	rp->r_fp = 0;
+	rp->r_sp = sp;
+	rp->r_pc = ptolxproc(p)->l_handler;
+
+	/*
+	 * Fix up segment registers, etc.
+	 */
+	lx_switch_to_native(lwp);
+
+	return;
+
+badstack:
+	no_fault();
+	if (watched) {
+		watch_enable_addr((caddr_t)(uintptr_t)sp, frsz, S_WRITE);
+	}
+
+#ifdef DEBUG
+	printf("lx_emulate_user32: bad native stack cmd=%s, pid=%d, sp=0x%x\n",
+	    PTOU(p)->u_comm, p->p_pid, sp);
+#endif
+
+	exit(CLD_KILLED, SIGSEGV);
+}
+#endif	/* _SYSCALL32_IMPL */
+
+#else	/* !__amd64 (__i386) */
+
+void
+lx_emulate_user(klwp_t *lwp, int syscall_num, uintptr_t *args)
+{
+	cmn_err(CE_WARN, "%s: no 32-bit kernel support", __FUNCTION__);
+	exit(CLD_KILLED, SIGSYS);
+}
+
+#endif	/* __amd64 */
diff --git a/usr/src/uts/intel/brand/sngl/sngl_brand_asm.s b/usr/src/uts/intel/brand/sngl/sngl_brand_asm.s
new file mode 100644
index 0000000000..90932a9d6d
--- /dev/null
+++ b/usr/src/uts/intel/brand/sngl/sngl_brand_asm.s
@@ -0,0 +1,31 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2012, Joyent, Inc. All rights reserved.
+ */
+
+#define	XXX_emulation_table		sngl_emulation_table
+#define	XXX_brand_syscall32_callback	sngl_brand_syscall32_callback
+#define XXX_brand_syscall_callback	sngl_brand_syscall_callback
+#define XXX_brand_sysenter_callback	sngl_brand_sysenter_callback
+#define XXX_brand_int91_callback	sngl_brand_int91_callback
+
+#include "../common/brand_solaris.s"
diff --git a/usr/src/uts/intel/core_pcbe/Makefile b/usr/src/uts/intel/core_pcbe/Makefile
index d9d9b02de0..7f2d1ad8e5 100644
--- a/usr/src/uts/intel/core_pcbe/Makefile
+++ b/usr/src/uts/intel/core_pcbe/Makefile
@@ -34,7 +34,7 @@ UTSBASE = ../..
 MODULE		= pcbe.GenuineIntel.6.15
 OBJECTS		= $(CORE_PCBE_OBJS:%=$(OBJS_DIR)/%)
 LINTS		= $(CORE_PCBE_OBJS:%.o=$(LINTS_DIR)/%.ln)
-ROOTMODULE	= $(USR_PCBE_DIR)/$(MODULE)
+ROOTMODULE	= $(ROOT_PSM_PCBE_DIR)/$(MODULE)
 SOFTLINKS	= pcbe.GenuineIntel.6.23 \
 			pcbe.GenuineIntel.6.26 \
 			pcbe.GenuineIntel.6.28 \
@@ -45,7 +45,7 @@ SOFTLINKS	= pcbe.GenuineIntel.6.23 \
 			pcbe.GenuineIntel.6.44 \
 			pcbe.GenuineIntel.6.46 \
 			pcbe.GenuineIntel.6.47
-ROOTSOFTLINKS	= $(SOFTLINKS:%=$(USR_PCBE_DIR)/%)
+ROOTSOFTLINKS	= $(SOFTLINKS:%=$(ROOT_PSM_PCBE_DIR)/%)
 
 #
 #	Include common rules.
diff --git a/usr/src/uts/intel/datafilt/Makefile b/usr/src/uts/intel/datafilt/Makefile
new file mode 100644
index 0000000000..bc72416406
--- /dev/null
+++ b/usr/src/uts/intel/datafilt/Makefile
@@ -0,0 +1,74 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2011, OmniTI Computer Consulting, Inc. All rights reserved.
+# Copyright 2012, Nexenta Systems, Inc. All rights reserved.
+#
+
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= datafilt
+OBJECTS		= $(DATAFILT_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(DATAFILT_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(ROOT_SOCK_DIR)/$(MODULE)
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+#
+# lint pass one enforcement and OS version
+#
+CFLAGS += $(CCVERBOSE)
+
+LDFLAGS += -dy -Nfs/sockfs -Ndrv/ip
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/dev/Makefile b/usr/src/uts/intel/dev/Makefile
index b5c7c1a9c8..e7ae468c05 100644
--- a/usr/src/uts/intel/dev/Makefile
+++ b/usr/src/uts/intel/dev/Makefile
@@ -66,6 +66,7 @@ INC_PATH	+= -I$(UTSBASE)/common/io/bpf
 CERRWARN	+= -_gcc=-Wno-parentheses
 CERRWARN	+= -_gcc=-Wno-unused-label
 CERRWARN	+= -_gcc=-Wno-uninitialized
+CERRWARN	+= -_gcc=-Wno-unused-function
 
 #
 #	Default build targets.
diff --git a/usr/src/uts/intel/dr_sas/Makefile b/usr/src/uts/intel/dr_sas/Makefile
new file mode 100644
index 0000000000..f4871b694a
--- /dev/null
+++ b/usr/src/uts/intel/dr_sas/Makefile
@@ -0,0 +1,90 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# uts/intel/dr_sas/Makefile
+#
+#	This makefile drives the production of the dr_sas driver kernel module.
+#
+#	intel implementation architecture dependent
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= dr_sas
+OBJECTS		= $(DR_SAS_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(DR_SAS_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(ROOT_DRV_DIR)/$(MODULE)
+CONF_SRCDIR     = $(UTSBASE)/common/io/dr_sas
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY) $(CONFMOD)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE) $(ROOT_CONFFILE)
+
+#
+# 	Kernel Module Dependencies
+#
+LDFLAGS		+= -dy -Nmisc/scsi
+
+CERRWARN	+= -_gcc=-Wno-unused-label
+CERRWARN	+= -_gcc=-Wno-switch
+CERRWARN	+= -_gcc=-Wno-uninitialized
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/dtrace/fasttrap_isa.c b/usr/src/uts/intel/dtrace/fasttrap_isa.c
index 1b93869a73..f9eba2876c 100644
--- a/usr/src/uts/intel/dtrace/fasttrap_isa.c
+++ b/usr/src/uts/intel/dtrace/fasttrap_isa.c
@@ -24,7 +24,9 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
+ */
 
 #include <sys/fasttrap_isa.h>
 #include <sys/fasttrap_impl.h>
@@ -38,6 +40,9 @@
 #include <sys/sysmacros.h>
 #include <sys/trap.h>
 #include <sys/archsystm.h>
+#include <sys/proc.h>
+#include <sys/brand.h>
+#include <sys/machbrand.h>
 
 /*
  * Lossless User-Land Tracing on x86
@@ -1394,6 +1399,14 @@ fasttrap_pid_probe(struct regs *rp)
 #if defined(__amd64)
 		if (p->p_model == DATAMODEL_LP64) {
 			addr = lwp->lwp_pcb.pcb_fsbase;
+
+			/*
+			 * If we're branded, convert the fsbase from the
+			 * brand's fsbase to the native fsbase.
+			 */
+			if (PROC_IS_BRANDED(p) && BRMOP(p)->b_fsbase != NULL)
+				addr = BRMOP(p)->b_fsbase(lwp, addr);
+
 			addr += sizeof (void *);
 		} else {
 			addr = lwp->lwp_pcb.pcb_gsbase;
diff --git a/usr/src/uts/intel/elfexec/Makefile b/usr/src/uts/intel/elfexec/Makefile
index 9751e04ba7..ce0433391c 100644
--- a/usr/src/uts/intel/elfexec/Makefile
+++ b/usr/src/uts/intel/elfexec/Makefile
@@ -102,12 +102,15 @@ include $(UTSBASE)/intel/Makefile.targ
 
 $(OBJS_DIR)/elf32.o:	$(UTSBASE)/common/exec/elf/elf.c
 	$(COMPILE.c) -o $@ -D_ELF32_COMPAT $(UTSBASE)/common/exec/elf/elf.c
+	$(CTFCONVERT_O)
 
 $(OBJS_DIR)/elf32_notes.o: $(UTSBASE)/common/exec/elf/elf_notes.c
 	$(COMPILE.c) -o $@ -D_ELF32_COMPAT $(UTSBASE)/common/exec/elf/elf_notes.c
+	$(CTFCONVERT_O)
 
 $(OBJS_DIR)/old32_notes.o: $(UTSBASE)/common/exec/elf/old_notes.c
 	$(COMPILE.c) -o $@ -D_ELF32_COMPAT $(UTSBASE)/common/exec/elf/old_notes.c
+	$(CTFCONVERT_O)
 
 $(LINTS_DIR)/elf32.ln:	$(UTSBASE)/common/exec/elf/elf.c
 	@($(LHEAD) $(LINT.c) -Celf32 -D_ELF32_COMPAT $(UTSBASE)/common/exec/elf/elf.c $(LTAIL))
diff --git a/usr/src/uts/intel/eventfd/Makefile b/usr/src/uts/intel/eventfd/Makefile
new file mode 100644
index 0000000000..6edff0931a
--- /dev/null
+++ b/usr/src/uts/intel/eventfd/Makefile
@@ -0,0 +1,68 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= eventfd
+OBJECTS		= $(EVENTFD_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(EVENTFD_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(USR_DRV_DIR)/$(MODULE)
+CONF_SRCDIR	= $(UTSBASE)/common/io
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+CERRWARN	+= -_gcc=-Wno-parentheses
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY) $(SRC_CONFILE)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE) $(ROOT_CONFFILE)
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/genassym/Makefile b/usr/src/uts/intel/genassym/Makefile
new file mode 100644
index 0000000000..ce01dc8610
--- /dev/null
+++ b/usr/src/uts/intel/genassym/Makefile
@@ -0,0 +1,85 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+#	This makefile drives the production of genassym.h through
+#	compile time intialized data.
+#
+#	intel architecture dependent
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+GENASSYM_H	= $(GENASSYM_DIR)/$(OBJS_DIR)/genassym.h
+OFFSETS_SRC	= $(GENASSYM_DIR)/offsets.in
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(GENASSYM_H)
+
+INC_PATH	+= -I$(UTSBASE)/common/brand/lx
+
+#
+#	Overrides
+#
+CLEANFILES	= Nothing_to_remove
+CLOBBERFILES	= $(GENASSYM_H) Nothing_to_remove
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+clean.lint:
+
+install:	def
+
+#
+# Create genassym.h
+#
+$(GENASSYM_H): $(OFFSETS_SRC)
+	$(OFFSETS_CREATE) <$(OFFSETS_SRC) >$@
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/genassym/offsets.in b/usr/src/uts/intel/genassym/offsets.in
new file mode 100644
index 0000000000..70221c02f9
--- /dev/null
+++ b/usr/src/uts/intel/genassym/offsets.in
@@ -0,0 +1,43 @@
+\
+\ CDDL HEADER START
+\
+\ The contents of this file are subject to the terms of the
+\ Common Development and Distribution License (the "License").
+\ You may not use this file except in compliance with the License.
+\
+\ You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+\ or http://www.opensolaris.org/os/licensing.
+\ See the License for the specific language governing permissions
+\ and limitations under the License.
+\
+\ When distributing Covered Code, include this CDDL HEADER in each
+\ file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+\ If applicable, add the following below this CDDL HEADER, with the
+\ fields enclosed by brackets "[]" replaced with your own identifying
+\ information: Portions Copyright [yyyy] [name of copyright owner]
+\
+\ CDDL HEADER END
+\
+\
+\ Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
+\ Use is subject to license terms.
+\ Copyright 2015 Joyent, Inc.
+\
+
+\
+\ offsets.in: input file to produce the architecture-dependent genassym.h
+\ using the ctfstabs program
+\
+
+#ifndef	_GENASSYM
+#define	_GENASSYM
+#endif
+
+#include <sys/lx_brand.h>
+
+lx_proc_data
+	l_handler
+
+lx_lwp_data
+	br_lx_fsbase
+	br_ntv_fsbase
diff --git a/usr/src/uts/intel/gsqueue/Makefile b/usr/src/uts/intel/gsqueue/Makefile
new file mode 100644
index 0000000000..411e384309
--- /dev/null
+++ b/usr/src/uts/intel/gsqueue/Makefile
@@ -0,0 +1,49 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+UTSBASE	= ../..
+
+MODULE		= gsqueue
+OBJECTS		= $(GSQUEUE_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(GSQUEUE_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(ROOT_MISC_DIR)/$(MODULE)
+
+include $(UTSBASE)/intel/Makefile.intel
+
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+LDFLAGS 	+= -dy -Ndrv/ip
+
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/hyprlofs/Makefile b/usr/src/uts/intel/hyprlofs/Makefile
new file mode 100644
index 0000000000..919b045617
--- /dev/null
+++ b/usr/src/uts/intel/hyprlofs/Makefile
@@ -0,0 +1,83 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# uts/intel/hyprlofs/Makefile
+#
+# Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+#	This makefile drives the production of the hyprlofs file system
+#	kernel module.
+#
+#	intel architecture dependent
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= hyprlofs
+OBJECTS		= $(HYPRLOFS_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(HYPRLOFS_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(ROOT_FS_DIR)/$(MODULE)
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/ia32/ml/swtch.s b/usr/src/uts/intel/ia32/ml/swtch.s
index 331c38d00e..c77e469e0e 100644
--- a/usr/src/uts/intel/ia32/ml/swtch.s
+++ b/usr/src/uts/intel/ia32/ml/swtch.s
@@ -24,7 +24,7 @@
  */
 
 /*
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -337,13 +337,12 @@ resume(kthread_t *t)
 
 .setup_cpu:
 	/*
-	 * Setup rsp0 (kernel stack) in TSS to curthread's stack.
-	 * (Note: Since we don't have saved 'regs' structure for all
-	 *	  the threads we can't easily determine if we need to
-	 *	  change rsp0. So, we simply change the rsp0 to bottom 
-	 *	  of the thread stack and it will work for all cases.)
-	 *
-	 * XX64 - Is this correct?
+	 * Setup rsp0 (kernel stack) in TSS to curthread's saved regs
+	 * structure.  If this thread doesn't have a regs structure above
+	 * the stack -- that is, if lwp_stk_init() was never called for the
+	 * thread -- this will set rsp0 to the wrong value, but it's harmless
+	 * as it's a kernel thread, and it won't actually attempt to implicitly
+	 * use the rsp0 via a privilege change.
 	 */
 	movq	CPU_TSS(%r13), %r14
 	movq	T_STACK(%r12), %rax
@@ -504,11 +503,12 @@ resume_return:
 	jne	.L5_2
 .L5_1:
 	/*
-	 * Setup esp0 (kernel stack) in TSS to curthread's stack.
-	 * (Note: Since we don't have saved 'regs' structure for all
-	 *	  the threads we can't easily determine if we need to
-	 *	  change esp0. So, we simply change the esp0 to bottom 
-	 *	  of the thread stack and it will work for all cases.)
+	 * Setup esp0 (kernel stack) in TSS to curthread's stack.  If this
+	 * thread doesn't have a regs structure above the stack -- that is, if
+	 * lwp_stk_init() was never called for the thread -- this will set
+	 * esp0 to the wrong value, but it's harmless as it's a kernel thread,
+	 * and it won't actually attempt to implicitly use the esp0 via a
+	 * privilege change.
 	 */
 	movl	CPU_TSS(%esi), %ecx
 	addl	$REGSIZE+MINFRAME, %eax	/* to the bottom of thread stack */
@@ -891,3 +891,81 @@ thread_start(void)
 #endif	/* __i386 */
 
 #endif  /* __lint */
+
+#if defined(__lint)
+
+void
+thread_splitstack_run(caddr_t stack, void (*func)(void *), void *arg)
+{}
+
+void
+thread_splitstack_cleanup(void)
+{}
+
+#else   /* __lint */
+
+#if defined(__amd64)
+
+	ENTRY(thread_splitstack_run)
+	pushq	%rbp			/* push base pointer */
+	movq	%rsp, %rbp		/* construct frame */
+	movq	%rdi, %rsp		/* set stack pinter */
+	movq	%rdx, %rdi		/* load arg */
+	call	*%rsi			/* call specified function */
+	leave				/* pop base pointer */
+	ret
+	SET_SIZE(thread_splitstack_run)
+
+	/*
+	 * Once we're back on our own stack, we need to be sure to set the
+	 * value of rsp0 in the TSS back to our original stack:  if we gave
+	 * up the CPU at all while on our split stack, the rsp0 will point
+	 * to that stack from resume (above); if were to try to return to
+	 * userland in that state, we will die absolutely horribly (namely,
+	 * trying to iretq back to registers in a bunch of freed segkp).  We
+	 * are expecting this to be called after T_STACK has been restored,
+	 * but before we return.  It's okay if we are preempted in this code:
+	 * when the new CPU picks us up, they will automatically set rsp0
+	 * correctly, which is all we're trying to do here.
+	 */
+	ENTRY(thread_splitstack_cleanup)
+	LOADCPU(%r8)
+	movq	CPU_TSS(%r8), %r9
+	movq 	CPU_THREAD(%r8), %r10
+	movq	T_STACK(%r10), %rax
+	addq    $REGSIZE+MINFRAME, %rax
+	movq	%rax, TSS_RSP0(%r9)
+	ret
+	SET_SIZE(thread_splitstack_cleanup)
+
+#elif defined(__i386)
+
+	ENTRY(thread_splitstack_run)
+	pushl	%ebp			/* push base pointer */
+	movl	%esp, %ebp		/* construct frame */
+	movl	8(%ebp), %esp		/* set stack pointer */
+	movl	12(%ebp), %eax		/* load func */
+	movl	16(%ebp), %edx		/* load arg */
+	pushl	%edx			/* push arg */
+	call	*%eax			/* call specifed function */
+	addl	$4, %esp		/* restore stack pointer */
+	leave				/* pop base pointer */
+	ret
+	SET_SIZE(thread_splitstack_run)
+
+	/*
+	 * See comment in the amd64 code, above.
+	 */
+	ENTRY(thread_splitstack_cleanup)
+	LOADCPU(%eax)
+	movl	CPU_TSS(%eax), %ecx
+	movl 	CPU_THREAD(%eax), %edx
+	movl	T_STACK(%edx), %edx
+	addl    $REGSIZE+MINFRAME, %edx
+	movl	%edx, TSS_ESP0(%ecx)
+	ret
+	SET_SIZE(thread_splitstack_cleanup)
+
+#endif	/* __i386 */
+
+#endif  /* __lint */
diff --git a/usr/src/uts/intel/ia32/os/archdep.c b/usr/src/uts/intel/ia32/os/archdep.c
index d83b16d673..db4ccac06b 100644
--- a/usr/src/uts/intel/ia32/os/archdep.c
+++ b/usr/src/uts/intel/ia32/os/archdep.c
@@ -25,7 +25,7 @@
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
 /*	  All Rights Reserved  	*/
 /*
- * Copyright (c) 2012, Joyent, Inc.  All rights reserved.
+ * Copyright 2015 Joyent, Inc.
  * Copyright 2012 Nexenta Systems, Inc.  All rights reserved.
  */
 
@@ -575,6 +575,13 @@ ucontext_32ton(const ucontext32_t *src, ucontext_t *dst)
 	if (src->uc_flags & UC_FPU)
 		fpregset_32ton(&src->uc_mcontext.fpregs,
 		    &dst->uc_mcontext.fpregs);
+
+	/*
+	 * Copy the brand-private data:
+	 */
+	dst->uc_brand_data[0] = (void *)(uintptr_t)src->uc_brand_data[0];
+	dst->uc_brand_data[1] = (void *)(uintptr_t)src->uc_brand_data[1];
+	dst->uc_brand_data[2] = (void *)(uintptr_t)src->uc_brand_data[2];
 }
 
 #endif	/* _SYSCALL32_IMPL */
@@ -632,6 +639,8 @@ getuserpc()
 static greg_t
 fix_segreg(greg_t sr, int iscs, model_t datamodel)
 {
+	kthread_t *t = curthread;
+
 	switch (sr &= 0xffff) {
 
 	case 0:
@@ -668,6 +677,19 @@ fix_segreg(greg_t sr, int iscs, model_t datamodel)
 	}
 
 	/*
+	 * Allow this process's brand to do any necessary segment register
+	 * manipulation.
+	 */
+	if (PROC_IS_BRANDED(t->t_procp) && BRMOP(t->t_procp)->b_fixsegreg) {
+		greg_t bsr = BRMOP(t->t_procp)->b_fixsegreg(sr, datamodel);
+
+		if (bsr == 0 && iscs == IS_CS)
+			return (0 | SEL_UPL);
+		else
+			return (bsr);
+	}
+
+	/*
 	 * Force it into the LDT in ring 3 for 32-bit processes, which by
 	 * default do not have an LDT, so that any attempt to use an invalid
 	 * selector will reference the (non-existant) LDT, and cause a #gp
diff --git a/usr/src/uts/intel/ia32/os/desctbls.c b/usr/src/uts/intel/ia32/os/desctbls.c
index a05137eee6..97024b7b59 100644
--- a/usr/src/uts/intel/ia32/os/desctbls.c
+++ b/usr/src/uts/intel/ia32/os/desctbls.c
@@ -161,7 +161,7 @@ struct interposing_handler {
  * The brand infrastructure interposes on two handlers, and we use one as a
  * NULL signpost.
  */
-static struct interposing_handler brand_tbl[2];
+static struct interposing_handler brand_tbl[3];
 
 /*
  * software prototypes for default local descriptor table
@@ -976,6 +976,12 @@ init_idt_common(gate_desc_t *idt)
 	set_gatesegd(&idt[T_MCE], &mcetrap, KCS_SEL, SDT_SYSIGT, TRP_KPL, 0);
 	set_gatesegd(&idt[T_SIMDFPE], &xmtrap, KCS_SEL, SDT_SYSIGT, TRP_KPL, 0);
 
+ 	/*
+	 * install "int80" handler at, well, 0x80.
+	 */
+	set_gatesegd(&idt0[T_INT80], &sys_int80, KCS_SEL, SDT_SYSIGT, TRP_UPL,
+	    0);
+
 	/*
 	 * install fast trap handler at 210.
 	 */
@@ -1001,21 +1007,27 @@ init_idt_common(gate_desc_t *idt)
 	    SDT_SYSIGT, TRP_UPL, 0);
 
 	/*
-	 * Prepare interposing descriptor for the syscall handler
-	 * and cache copy of the default descriptor.
+-	 * Prepare interposing descriptors for the branded "int80"
+-	 * and syscall handlers and cache copies of the default
+-	 * descriptors.
 	 */
-	brand_tbl[0].ih_inum = T_SYSCALLINT;
-	brand_tbl[0].ih_default_desc = idt0[T_SYSCALLINT];
+	brand_tbl[0].ih_inum = T_INT80;
+	brand_tbl[0].ih_default_desc = idt0[T_INT80];
+	set_gatesegd(&(brand_tbl[0].ih_interp_desc), &brand_sys_int80, KCS_SEL,
+	    SDT_SYSIGT, TRP_UPL, 0);
+
+	brand_tbl[1].ih_inum = T_SYSCALLINT;
+	brand_tbl[1].ih_default_desc = idt0[T_SYSCALLINT];
 
 #if defined(__amd64)
-	set_gatesegd(&(brand_tbl[0].ih_interp_desc), &brand_sys_syscall_int,
+	set_gatesegd(&(brand_tbl[1].ih_interp_desc), &brand_sys_syscall_int,
 	    KCS_SEL, SDT_SYSIGT, TRP_UPL, 0);
 #elif defined(__i386)
-	set_gatesegd(&(brand_tbl[0].ih_interp_desc), &brand_sys_call,
+	set_gatesegd(&(brand_tbl[1].ih_interp_desc), &brand_sys_call,
 	    KCS_SEL, SDT_SYSIGT, TRP_UPL, 0);
 #endif	/* __i386 */
 
-	brand_tbl[1].ih_inum = 0;
+	brand_tbl[2].ih_inum = 0;
 }
 
 #if defined(__xpv)
diff --git a/usr/src/uts/intel/ia32/os/sendsig.c b/usr/src/uts/intel/ia32/os/sendsig.c
index 979c9e3294..f6c14324bc 100644
--- a/usr/src/uts/intel/ia32/os/sendsig.c
+++ b/usr/src/uts/intel/ia32/os/sendsig.c
@@ -20,6 +20,9 @@
  */
 
 /*
+ * Copyright 2015 Joyent, Inc.
+ */
+/*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
@@ -87,6 +90,8 @@
 #include <sys/kdi.h>
 #include <sys/contract_impl.h>
 #include <sys/x86_archext.h>
+#include <sys/brand.h>
+#include <sys/sdt.h>
 
 /*
  * Construct the execution environment for the user's signal
@@ -186,7 +191,18 @@ sendsig(int sig, k_siginfo_t *sip, void (*hdlr)())
 	newstack = sigismember(&PTOU(curproc)->u_sigonstack, sig) &&
 	    !(lwp->lwp_sigaltstack.ss_flags & (SS_ONSTACK|SS_DISABLE));
 
-	if (newstack) {
+	/*
+	 * If this is a branded process, the brand may provide an alternate
+	 * stack pointer for signal delivery:
+	 */
+	if (PROC_IS_BRANDED(p) && BROP(p)->b_sendsig_stack != NULL) {
+		/*
+		 * Use the stack pointer value provided by the brand,
+		 * accounting for the 128-byte reserved region.
+		 */
+		newstack = 0;
+		fp = BROP(p)->b_sendsig_stack(sig) - STACK_RESERVE;
+	} else if (newstack) {
 		fp = (caddr_t)(SA((uintptr_t)lwp->lwp_sigaltstack.ss_sp) +
 		    SA(lwp->lwp_sigaltstack.ss_size) - STACK_ALIGN);
 	} else {
@@ -293,6 +309,8 @@ sendsig(int sig, k_siginfo_t *sip, void (*hdlr)())
 	kmem_free(tuc, sizeof (*tuc));
 	tuc = NULL;
 
+	DTRACE_PROBE3(oldcontext__set, klwp_t *, lwp,
+	    uintptr_t, lwp->lwp_oldcontext, uintptr_t, (uintptr_t)uc);
 	lwp->lwp_oldcontext = (uintptr_t)uc;
 
 	if (newstack) {
@@ -342,6 +360,14 @@ sendsig(int sig, k_siginfo_t *sip, void (*hdlr)())
 	}
 
 	/*
+	 * Allow the brand to perform additional book-keeping once the signal
+	 * handling frame has been fully assembled:
+	 */
+	if (PROC_IS_BRANDED(p) && BROP(p)->b_sendsig != NULL) {
+		BROP(p)->b_sendsig(sig);
+	}
+
+	/*
 	 * Don't set lwp_eosys here.  sendsig() is called via psig() after
 	 * lwp_eosys is handled, so setting it here would affect the next
 	 * system call.
@@ -417,7 +443,17 @@ sendsig32(int sig, k_siginfo_t *sip, void (*hdlr)())
 	newstack = sigismember(&PTOU(curproc)->u_sigonstack, sig) &&
 	    !(lwp->lwp_sigaltstack.ss_flags & (SS_ONSTACK|SS_DISABLE));
 
-	if (newstack) {
+	/*
+	 * If this is a branded process, the brand may provide an alternate
+	 * stack pointer for signal delivery:
+	 */
+	if (PROC_IS_BRANDED(p) && BROP(p)->b_sendsig_stack != NULL) {
+		/*
+		 * Use the stack pointer value provided by the brand:
+		 */
+		newstack = 0;
+		fp = BROP(p)->b_sendsig_stack(sig);
+	} else if (newstack) {
 		fp = (caddr_t)(SA32((uintptr_t)lwp->lwp_sigaltstack.ss_sp) +
 		    SA32(lwp->lwp_sigaltstack.ss_size) - STACK_ALIGN32);
 	} else if ((rp->r_ss & 0xffff) != UDS_SEL) {
@@ -432,8 +468,9 @@ sendsig32(int sig, k_siginfo_t *sip, void (*hdlr)())
 			    USEGD_GETBASE(&ldt[SELTOIDX(rp->r_ss)]);
 		else
 			fp = (caddr_t)rp->r_sp;
-	} else
+	} else {
 		fp = (caddr_t)rp->r_sp;
+	}
 
 	/*
 	 * Force proper stack pointer alignment, even in the face of a
@@ -511,6 +548,8 @@ sendsig32(int sig, k_siginfo_t *sip, void (*hdlr)())
 	kmem_free(tuc, sizeof (*tuc));
 	tuc = NULL;
 
+	DTRACE_PROBE3(oldcontext__set, klwp_t *, lwp,
+	    uintptr_t, lwp->lwp_oldcontext, uintptr_t, (uintptr_t)uc);
 	lwp->lwp_oldcontext = (uintptr_t)uc;
 
 	if (newstack) {
@@ -560,6 +599,14 @@ sendsig32(int sig, k_siginfo_t *sip, void (*hdlr)())
 	}
 
 	/*
+	 * Allow the brand to perform additional book-keeping once the signal
+	 * handling frame has been fully assembled:
+	 */
+	if (PROC_IS_BRANDED(p) && BROP(p)->b_sendsig != NULL) {
+		BROP(p)->b_sendsig(sig);
+	}
+
+	/*
 	 * Don't set lwp_eosys here.  sendsig() is called via psig() after
 	 * lwp_eosys is handled, so setting it here would affect the next
 	 * system call.
@@ -637,7 +684,17 @@ sendsig(int sig, k_siginfo_t *sip, void (*hdlr)())
 	newstack = sigismember(&PTOU(curproc)->u_sigonstack, sig) &&
 	    !(lwp->lwp_sigaltstack.ss_flags & (SS_ONSTACK|SS_DISABLE));
 
-	if (newstack) {
+	/*
+	 * If this is a branded process, the brand may provide an alternate
+	 * stack pointer for signal delivery:
+	 */
+	if (PROC_IS_BRANDED(p) && BROP(p)->b_sendsig_stack != NULL) {
+		/*
+		 * Use the stack pointer value provided by the brand:
+		 */
+		newstack = 0;
+		fp = BROP(p)->b_sendsig_stack(sig);
+	} else if (newstack) {
 		fp = (caddr_t)(SA((uintptr_t)lwp->lwp_sigaltstack.ss_sp) +
 		    SA(lwp->lwp_sigaltstack.ss_size) - STACK_ALIGN);
 	} else if ((rp->r_ss & 0xffff) != UDS_SEL) {
@@ -652,8 +709,9 @@ sendsig(int sig, k_siginfo_t *sip, void (*hdlr)())
 			    USEGD_GETBASE(&ldt[SELTOIDX(rp->r_ss)]);
 		else
 			fp = (caddr_t)rp->r_sp;
-	} else
+	} else {
 		fp = (caddr_t)rp->r_sp;
+	}
 
 	/*
 	 * Force proper stack pointer alignment, even in the face of a
@@ -731,6 +789,8 @@ sendsig(int sig, k_siginfo_t *sip, void (*hdlr)())
 	kmem_free(tuc, sizeof (*tuc));
 	tuc = NULL;
 
+	DTRACE_PROBE3(oldcontext__set, klwp_t *, lwp,
+	    uintptr_t, lwp->lwp_oldcontext, uintptr_t, (uintptr_t)uc);
 	lwp->lwp_oldcontext = (uintptr_t)uc;
 
 	if (newstack) {
@@ -768,6 +828,14 @@ sendsig(int sig, k_siginfo_t *sip, void (*hdlr)())
 	}
 
 	/*
+	 * Allow the brand to perform additional book-keeping once the signal
+	 * handling frame has been fully assembled:
+	 */
+	if (PROC_IS_BRANDED(p) && BROP(p)->b_sendsig != NULL) {
+		BROP(p)->b_sendsig(sig);
+	}
+
+	/*
 	 * Don't set lwp_eosys here.  sendsig() is called via psig() after
 	 * lwp_eosys is handled, so setting it here would affect the next
 	 * system call.
diff --git a/usr/src/uts/intel/ia32/sys/trap.h b/usr/src/uts/intel/ia32/sys/trap.h
index 3d4536c4f8..55add52cad 100644
--- a/usr/src/uts/intel/ia32/sys/trap.h
+++ b/usr/src/uts/intel/ia32/sys/trap.h
@@ -86,6 +86,8 @@ extern "C" {
 #define	PF_ERR_USER	0x04	/* processor was in user mode */
 				/*	(else supervisor) */
 #define	PF_ERR_EXEC	0x10	/* attempt to execute a No eXec page (AMD) */
+				/* or kernel tried to execute a user page  */
+				/* (Intel SMEP) */
 
 /*
  *  Definitions for fast system call subfunctions
diff --git a/usr/src/uts/intel/ia32/syscall/getcontext.c b/usr/src/uts/intel/ia32/syscall/getcontext.c
index cb5a5b52ba..8f72b5da72 100644
--- a/usr/src/uts/intel/ia32/syscall/getcontext.c
+++ b/usr/src/uts/intel/ia32/syscall/getcontext.c
@@ -20,6 +20,9 @@
  */
 
 /*
+ * Copyright 2015 Joyent, Inc.
+ */
+/*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
@@ -46,6 +49,7 @@
 #include <sys/schedctl.h>
 #include <sys/debug.h>
 #include <sys/sysmacros.h>
+#include <sys/sdt.h>
 
 /*
  * Save user context.
@@ -125,7 +129,23 @@ savecontext(ucontext_t *ucp, const k_sigset_t *mask)
 	else
 		ucp->uc_flags &= ~UC_FPU;
 
-	sigktou(mask, &ucp->uc_sigmask);
+	if (mask != NULL) {
+		/*
+		 * Save signal mask.
+		 */
+		sigktou(mask, &ucp->uc_sigmask);
+	} else {
+		ucp->uc_flags &= ~UC_SIGMASK;
+		bzero(&ucp->uc_sigmask, sizeof (ucp->uc_sigmask));
+	}
+
+	if (PROC_IS_BRANDED(p) && BROP(p)->b_savecontext != NULL) {
+		/*
+		 * Allow the brand the chance to modify the context we
+		 * saved:
+		 */
+		BROP(p)->b_savecontext(ucp);
+	}
 }
 
 /*
@@ -136,7 +156,19 @@ restorecontext(ucontext_t *ucp)
 {
 	kthread_t *t = curthread;
 	klwp_t *lwp = ttolwp(t);
+	proc_t *p = lwptoproc(lwp);
 
+	if (PROC_IS_BRANDED(p) && BROP(p)->b_restorecontext != NULL) {
+		/*
+		 * Allow the brand the chance to modify the context before
+		 * we restore it:
+		 */
+		BROP(p)->b_restorecontext(ucp);
+	}
+
+	DTRACE_PROBE3(oldcontext__set, klwp_t *, lwp,
+	    uintptr_t, lwp->lwp_oldcontext,
+	    uintptr_t, (uintptr_t)ucp->uc_link);
 	lwp->lwp_oldcontext = (uintptr_t)ucp->uc_link;
 
 	if (ucp->uc_flags & UC_STACK) {
@@ -184,6 +216,7 @@ getsetcontext(int flag, void *arg)
 	ucontext_t *ucp;
 	klwp_t *lwp = ttolwp(curthread);
 	stack_t dummy_stk;
+	proc_t *p = lwptoproc(lwp);
 
 	/*
 	 * In future releases, when the ucontext structure grows,
@@ -228,6 +261,15 @@ getsetcontext(int flag, void *arg)
 			return (set_errno(EFAULT));
 		}
 
+		/*
+		 * If this is a branded process, copy in the brand-private
+		 * data:
+		 */
+		if (PROC_IS_BRANDED(p) && copyin(&ucp->uc_brand_data,
+		    &uc.uc_brand_data, sizeof (uc.uc_brand_data)) != 0) {
+			return (set_errno(EFAULT));
+		}
+
 		restorecontext(&uc);
 
 		if ((uc.uc_flags & UC_STACK) && (lwp->lwp_ustack != 0))
@@ -311,7 +353,23 @@ savecontext32(ucontext32_t *ucp, const k_sigset_t *mask)
 	else
 		ucp->uc_flags &= ~UC_FPU;
 
-	sigktou(mask, &ucp->uc_sigmask);
+	if (mask != NULL) {
+		/*
+		 * Save signal mask.
+		 */
+		sigktou(mask, &ucp->uc_sigmask);
+	} else {
+		ucp->uc_flags &= ~UC_SIGMASK;
+		bzero(&ucp->uc_sigmask, sizeof (ucp->uc_sigmask));
+	}
+
+	if (PROC_IS_BRANDED(p) && BROP(p)->b_savecontext32 != NULL) {
+		/*
+		 * Allow the brand the chance to modify the context we
+		 * saved:
+		 */
+		BROP(p)->b_savecontext32(ucp);
+	}
 }
 
 int
@@ -323,6 +381,7 @@ getsetcontext32(int flag, void *arg)
 	klwp_t *lwp = ttolwp(curthread);
 	caddr32_t ustack32;
 	stack32_t dummy_stk32;
+	proc_t *p = lwptoproc(lwp);
 
 	switch (flag) {
 	default:
@@ -354,6 +413,15 @@ getsetcontext32(int flag, void *arg)
 			return (set_errno(EFAULT));
 		}
 
+		/*
+		 * If this is a branded process, copy in the brand-private
+		 * data:
+		 */
+		if (PROC_IS_BRANDED(p) && copyin(&ucp->uc_brand_data,
+		    &uc.uc_brand_data, sizeof (uc.uc_brand_data)) != 0) {
+			return (set_errno(EFAULT));
+		}
+
 		ucontext_32ton(&uc, &ucnat);
 		restorecontext(&ucnat);
 
diff --git a/usr/src/uts/intel/inotify/Makefile b/usr/src/uts/intel/inotify/Makefile
new file mode 100644
index 0000000000..80e7a80404
--- /dev/null
+++ b/usr/src/uts/intel/inotify/Makefile
@@ -0,0 +1,70 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= inotify
+OBJECTS		= $(INOTIFY_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(INOTIFY_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(USR_DRV_DIR)/$(MODULE)
+CONF_SRCDIR	= $(UTSBASE)/common/io
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+LINTTAGS	+= -erroff=E_STRUCT_DERIVED_FROM_FLEX_MBR
+CERRWARN	+= -_gcc=-Wno-parentheses
+LDFLAGS		+= -dy -Nfs/specfs
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY) $(SRC_CONFILE)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE) $(ROOT_CONFFILE)
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/io/acpica/changes.txt b/usr/src/uts/intel/io/acpica/changes.txt
index f53fd426da..69dcdf708c 100644
--- a/usr/src/uts/intel/io/acpica/changes.txt
+++ b/usr/src/uts/intel/io/acpica/changes.txt
@@ -1,7 +1,588 @@
 ----------------------------------------
-27 May 2011. Summary of changes for version 20110527:
+20 March 2012. Summary of changes for version 20120320:
+
+This release is available at www.acpica.org/downloads.
+The ACPI 5.0 specification is available at www.acpi.info.
+
+1) ACPICA Core Subsystem:
+
+Enhanced the sleep/wake interfaces to optionally execute the _GTS method 
+(Going To Sleep) and the _BFS method (Back From Sleep). Windows apparently 
+does not execute these methods, and therefore these methods are often 
+untested. It has been seen on some systems where the execution of these 
+methods causes errors and also prevents the machine from entering S5. It is 
+therefore suggested that host operating systems do not execute these methods 
+by default. In the future, perhaps these methods can be optionally executed 
+based on the age of the system and/or what is the newest version of Windows 
+that the BIOS asks for via _OSI. Changed interfaces: AcpiEnterSleepState and 
+AcpileaveSleepStatePrep. See the ACPICA reference and Linux BZ 13041. Lin 
+Ming.
+
+Fixed a problem where the length of the local/common FADT was set too early. 
+The local FADT table length cannot be set to the common length until the 
+original length has been examined. There is code that checks the table length 
+and sets various fields appropriately. This can affect older machines with 
+early FADT versions. For example, this can cause inadvertent writes to the 
+CST_CNT register. Julian Anastasov.
+
+Fixed a mapping issue related to a physical table override. Use the deferred 
+mapping mechanism for tables loaded via the physical override OSL interface. 
+This allows for early mapping before the virtual memory manager is available. 
+Thomas Renninger, Bob Moore.
+
+Enhanced the automatic return-object repair code: Repair a common problem with 
+predefined methods that are defined to return a variable-length Package of 
+sub-objects. If there is only one sub-object, some BIOS ASL code mistakenly 
+simply returns the single object instead of a Package with one sub-object. 
+This new support will repair this error by wrapping a Package object around 
+the original object, creating the correct and expected Package with one sub-
+object. Names that can be repaired in this manner include: _ALR, _CSD, _HPX, 
+_MLS, _PLD, _PRT, _PSS, _TRT, _TSS, _BCL, _DOD, _FIX, and _Sx. ACPICA BZ 939.
+
+Changed the exception code returned for invalid ACPI paths passed as 
+parameters to external interfaces such as AcpiEvaluateObject. Was 
+AE_BAD_PARAMETER, now is the more sensible AE_BAD_PATHNAME.
+
+Example Code and Data Size: These are the sizes for the OS-independent 
+acpica.lib produced by the Microsoft Visual C++ 9.0 32-bit compiler. The debug 
+version of the code includes the debug output trace mechanism and has a much 
+larger code and data size.
+
+  Previous Release:
+    Non-Debug Version:  93.0K Code, 25.0K Data, 118.0K Total
+    Debug Version:     172.5K Code, 73.2K Data, 245.7K Total
+  Current Release:
+    Non-Debug Version:  92.9K Code, 25.0K Data, 117.9K Total
+    Debug Version:     172.5K Code, 73.2K Data, 245.7K Total
+
+
+2) iASL Compiler/Disassembler and Tools:
+
+iASL: Added the infrastructure and initial implementation of a integrated C-
+like preprocessor. This will simplify BIOS development process by eliminating 
+the need for a separate preprocessing step during builds. On Windows, it also 
+eliminates the need to install a separate C compiler. ACPICA BZ 761. Some 
+features including full #define() macro support are still under development. 
+These preprocessor directives are supported:
+    #define
+    #elif
+    #else
+    #endif
+    #error
+    #if
+    #ifdef
+    #ifndef
+    #include
+    #pragma message
+    #undef
+    #warning
+In addition, these new command line options are supported:
+    -D <symbol> Define symbol for preprocessor use
+    -li         Create preprocessed output file (*.i)
+    -P          Preprocess only and create preprocessor output file (*.i)
+
+Table Compiler: Fixed a problem where the equals operator within an expression 
+did not work properly.
+
+Updated iASL to use the current versions of Bison/Flex. Updated the Windows 
+project file to invoke these tools from the standard location. ACPICA BZ 904. 
+Versions supported:
+    Flex for Windows:  V2.5.4
+    Bison for Windows: V2.4.1
+
+----------------------------------------
+15 February 2012. Summary of changes for version 20120215:
+
+This release is available at www.acpica.org/downloads.
+The ACPI 5.0 specification is available at www.acpi.info.
+
+1) ACPICA Core Subsystem:
+
+There have been some major changes to the sleep/wake support code, as 
+described below (a - e).
+
+a) The AcpiLeaveSleepState has been split into two interfaces, similar to 
+AcpiEnterSleepStatePrep and AcpiEnterSleepState. The new interface is 
+AcpiLeaveSleepStatePrep. This allows the host to perform actions between the 
+time the _BFS method is called and the _WAK method is called. NOTE: all hosts 
+must update their wake/resume code or else sleep/wake will not work properly. 
+Rafael Wysocki.
+
+b) In AcpiLeaveSleepState, now enable all runtime GPEs before calling the _WAK 
+method. Some machines require that the GPEs are enabled before the _WAK method 
+is executed. Thomas Renninger.
+
+c) In AcpiLeaveSleepState, now always clear the WAK_STS (wake status) bit. 
+Some BIOS code assumes that WAK_STS will be cleared on resume and use it to 
+determine whether the system is rebooting or resuming. Matthew Garrett.
+
+d) Move the invocations of _GTS (Going To Sleep) and _BFS (Back From Sleep) to 
+match the ACPI specification requirement. Rafael Wysocki.
+
+e) Implemented full support for the ACPI 5.0 SleepStatus and SleepControl 
+registers within the V5 FADT. This support adds two new files: 
+hardware/hwesleep.c implements the support for the new registers. Moved all 
+sleep/wake external interfaces to hardware/hwxfsleep.c.
+
+
+Added a new OSL interface for ACPI table overrides, 
+AcpiOsPhysicalTableOverride. This interface allows the host to override a 
+table via a physical address, instead of the logical address required by 
+AcpiOsTableOverride. This simplifies the host implementation. Initial 
+implementation by Thomas Renninger. The ACPICA implementation creates a single 
+shared function for table overrides that attempts both a logical and a 
+physical override.
+
+Expanded the OSL memory read/write interfaces to 64-bit data 
+(AcpiOsReadMemory, AcpiOsWriteMemory.) This enables full 64-bit memory 
+transfer support for GAS register structures passed to AcpiRead and AcpiWrite.
+
+Implemented the ACPI_REDUCED_HARDWARE option to allow the creation of a custom 
+build of ACPICA that supports only the ACPI 5.0 reduced hardware (SoC) model. 
+See the ACPICA reference for details. ACPICA BZ 942. This option removes about 
+10% of the code and 5% of the static data, and the following hardware ACPI 
+features become unavailable:
+    PM Event and Control registers
+    SCI interrupt (and handler)
+    Fixed Events
+    General Purpose Events (GPEs)
+    Global Lock
+    ACPI PM timer
+    FACS table (Waking vectors and Global Lock)
+
+Updated the unix tarball directory structure to match the ACPICA git source 
+tree. This ensures that the generic unix makefiles work properly (in 
+generate/unix).  Also updated the Linux makefiles to match. ACPICA BZ 867.
+
+Updated the return value of the _REV predefined method to integer value 5 to 
+reflect ACPI 5.0 support.
+
+Moved the external ACPI PM timer interface prototypes to the public acpixf.h 
+file where they belong.
+
+Example Code and Data Size: These are the sizes for the OS-independent 
+acpica.lib produced by the Microsoft Visual C++ 9.0 32-bit compiler. The debug 
+version of the code includes the debug output trace mechanism and has a much 
+larger code and data size.
+
+  Previous Release:
+    Non-Debug Version:  92.8K Code, 24.9K Data, 117.7K Total
+    Debug Version:     171.7K Code, 72.9K Data, 244.5K Total
+  Current Release:
+    Non-Debug Version:  93.0K Code, 25.0K Data, 118.0K Total
+    Debug Version:     172.5K Code, 73.2K Data, 245.7K Total
+
+
+2) iASL Compiler/Disassembler and Tools:
+
+Disassembler: Fixed a problem with the new ACPI 5.0 serial resource 
+descriptors (I2C, SPI, UART) where the resource produce/consumer bit was 
+incorrectly displayed.
+
+AcpiHelp: Add display of ACPI/PNP device IDs that are defined in the ACPI 
+specification.
+
+----------------------------------------
+11 January 2012. Summary of changes for version 20120111:
+
+This release is available at www.acpica.org/downloads.
+The ACPI 5.0 specification is available at www.acpi.info.
+
+1) ACPICA Core Subsystem:
+
+Implemented a new mechanism to allow host device drivers to check for address 
+range conflicts with ACPI Operation Regions. Both SystemMemory and SystemIO 
+address spaces are supported. A new external interface, AcpiCheckAddressRange, 
+allows drivers to check an address range against the ACPI namespace. See the 
+ACPICA reference for additional details. Adds one new file, 
+utilities/utaddress.c. Lin Ming, Bob Moore.
+
+Fixed several issues with the ACPI 5.0 FADT support: Add the sleep Control and 
+Status registers, update the ACPI 5.0 flags, and update internal data 
+structures to handle an FADT larger than 256 bytes. The size of the ACPI 5.0 
+FADT is 268 bytes.
+
+Updated all ACPICA copyrights and signons to 2012. Added the 2012 copyright to 
+all module headers and signons, including the standard Linux header. This 
+affects virtually every file in the ACPICA core subsystem, iASL compiler, and 
+all ACPICA utilities.
+
+Example Code and Data Size: These are the sizes for the OS-independent 
+acpica.lib produced by the Microsoft Visual C++ 9.0 32-bit compiler. The debug 
+version of the code includes the debug output trace mechanism and has a much 
+larger code and data size.
+
+  Previous Release:
+    Non-Debug Version:  92.3K Code, 24.9K Data, 117.2K Total
+    Debug Version:     170.8K Code, 72.6K Data, 243.4K Total
+  Current Release:
+    Non-Debug Version:  92.8K Code, 24.9K Data, 117.7K Total
+    Debug Version:     171.7K Code, 72.9K Data, 244.5K Total
+
+
+2) iASL Compiler/Disassembler and Tools:
+
+Disassembler: fixed a problem with the automatic resource tag generation 
+support. Fixes a problem where the resource tags are inadvertently not 
+constructed if the table being disassembled contains external references to 
+control methods. Moved the actual construction of the tags to after the final 
+namespace is constructed (after 2nd parse is invoked due to external control 
+method references.) ACPICA BZ 941.
+
+Table Compiler: Make all "generic" operators caseless. These are the operators 
+like UINT8, String, etc. Making these caseless improves ease-of-use. ACPICA BZ 
+934.
+
+----------------------------------------
+23 November 2011. Summary of changes for version 20111123:
+
+0) ACPI 5.0 Support:
+
+This release contains full support for the ACPI 5.0 specification, as 
+summarized below.
+
+Reduced Hardware Support:
+-------------------------
+
+This support allows for ACPI systems without the usual ACPI hardware. This 
+support is enabled by a flag in the revision 5 FADT. If it is set, ACPICA will 
+not attempt to initialize or use any of the usual ACPI hardware. Note, when 
+this flag is set, all of the following ACPI hardware is assumed to be not 
+present and is not initialized or accessed:
+
+    General Purpose Events (GPEs)
+    Fixed Events (PM1a/PM1b and PM Control)
+    Power Management Timer and Console Buttons (power/sleep)
+    Real-time Clock Alarm
+    Global Lock
+    System Control Interrupt (SCI)
+    The FACS is assumed to be non-existent
+
+ACPI Tables:
+------------
+
+All new tables and updates to existing tables are fully supported in the 
+ACPICA headers (for use by device drivers), the disassembler, and the iASL 
+Data Table Compiler. ACPI 5.0 defines these new tables:
+
+    BGRT        /* Boot Graphics Resource Table */
+    DRTM        /* Dynamic Root of Trust for Measurement table */
+    FPDT        /* Firmware Performance Data Table */
+    GTDT        /* Generic Timer Description Table */
+    MPST        /* Memory Power State Table */
+    PCCT        /* Platform Communications Channel Table */
+    PMTT        /* Platform Memory Topology Table */
+    RASF        /* RAS Feature table */
+
+Operation Regions/SpaceIDs:
+---------------------------
+
+All new operation regions are fully supported by the iASL compiler, the 
+disassembler, and the ACPICA runtime code (for dispatch to region handlers.) 
+The new operation region Space IDs are:
+
+    GeneralPurposeIo
+    GenericSerialBus
+
+Resource Descriptors:
+---------------------
+
+All new ASL resource descriptors are fully supported by the iASL compiler, the 
+ASL/AML disassembler, and the ACPICA runtime Resource Manager code (including 
+all new predefined resource tags). New descriptors are:
+
+    FixedDma
+    GpioIo
+    GpioInt
+    I2cSerialBus
+    SpiSerialBus
+    UartSerialBus
+
+ASL/AML Operators, New and Modified:
+------------------------------------
+
+One new operator is added, the Connection operator, which is used to associate 
+a GeneralPurposeIo or GenericSerialBus resource descriptor with individual 
+field objects within an operation region. Several new protocols are associated 
+with the AccessAs operator. All are fully supported by the iASL compiler, 
+disassembler, and runtime ACPICA AML interpreter:
+
+    Connection                      // Declare Field Connection attributes
+    AccessAs: AttribBytes (n)           // Read/Write N-Bytes Protocol
+    AccessAs: AttribRawBytes (n)        // Raw Read/Write N-Bytes Protocol
+    AccessAs: AttribRawProcessBytes (n) // Raw Process Call Protocol
+    RawDataBuffer                       // Data type for Vendor Data fields
+
+Predefined ASL/AML Objects:
+---------------------------
+
+All new predefined objects/control-methods are supported by the iASL compiler 
+and the ACPICA runtime validation/repair (arguments and return values.) New 
+predefined names include the following:
+
+Standard Predefined Names (Objects or Control Methods):
+    _AEI, _CLS, _CPC, _CWS, _DEP,
+    _DLM, _EVT, _GCP, _CRT, _GWS,
+    _HRV, _PRE, _PSE, _SRT, _SUB.
+
+Resource Tags (Names used to access individual fields within resource 
+descriptors):
+    _DBT, _DPL, _DRS, _END, _FLC,
+    _IOR, _LIN, _MOD, _PAR, _PHA,
+    _PIN, _PPI, _POL, _RXL, _SLV,
+    _SPE, _STB, _TXL, _VEN.
+
+ACPICA External Interfaces:
+---------------------------
+
+Several new interfaces have been defined for use by ACPI-related device 
+drivers and other host OS services:
+
+AcpiAcquireMutex and AcpiReleaseMutex: These interfaces allow the host OS to 
+acquire and release AML mutexes that are defined in the DSDT/SSDT tables 
+provided by the BIOS. They are intended to be used in conjunction with the 
+ACPI 5.0 _DLM (Device Lock Method) in order to provide transaction-level 
+mutual exclusion with the AML code/interpreter.
+
+AcpiGetEventResources: Returns the (formatted) resource descriptors as defined 
+by the ACPI 5.0 _AEI object (ACPI Event Information).  This object provides 
+resource descriptors associated with hardware-reduced platform events, similar 
+to the AcpiGetCurrentResources interface.
+
+Operation Region Handlers: For General Purpose IO and Generic Serial Bus 
+operation regions, information about the Connection() object and any optional 
+length information is passed to the region handler within the Context 
+parameter.
+
+AcpiBufferToResource: This interface converts a raw AML buffer containing a 
+resource template or resource descriptor to the ACPI_RESOURCE internal format 
+suitable for use by device drivers. Can be used by an operation region handler 
+to convert the Connection() buffer object into a ACPI_RESOURCE.
+
+Miscellaneous/Tools/TestSuites: 
+-------------------------------
+
+Support for extended _HID names (Four alpha characters instead of three).
+Support for ACPI 5.0 features in the AcpiExec and AcpiHelp utilities.
+Support for ACPI 5.0 features in the ASLTS test suite.
+Fully updated documentation (ACPICA and iASL reference documents.)
+
+ACPI Table Definition Language:
+-------------------------------
+
+Support for this language was implemented and released as a subsystem of the 
+iASL compiler in 2010. (See the iASL compiler User Guide.)
+
+
+Non-ACPI 5.0 changes for this release:
+--------------------------------------
+
+1) ACPICA Core Subsystem:
+
+Fix a problem with operation region declarations where a failure can occur if 
+the region name and an argument that evaluates to an object (such as the 
+region address) are in different namespace scopes. Lin Ming, ACPICA BZ 937.
+
+Do not abort an ACPI table load if an invalid space ID is found within. This 
+will be caught later if the offending method is executed. ACPICA BZ 925.
+
+Fixed an issue with the FFixedHW space ID where the ID was not always 
+recognized properly (Both ACPICA and iASL). ACPICA BZ 926.
+
+Fixed a problem with the 32-bit generation of the unix-specific OSL 
+(osunixxf.c). Lin Ming, ACPICA BZ 936.
+
+Several changes made to enable generation with the GCC 4.6 compiler. ACPICA BZ 
+935.
+
+New error messages: Unsupported I/O requests (not 8/16/32 bit), and Index/Bank 
+field registers out-of-range.
+
+2) iASL Compiler/Disassembler and Tools:
+
+iASL: Implemented the __PATH__ operator, which returns the full pathname of 
+the current source file.
 
-This release is available at www.acpica.org/downloads
+AcpiHelp: Automatically display expanded keyword information for all ASL 
+operators.
+
+Debugger: Add "Template" command to disassemble/dump resource template 
+buffers.
+
+Added a new master script to generate and execute the ASLTS test suite. 
+Automatically handles 32- and 64-bit generation. See tests/aslts.sh
+
+iASL: Fix problem with listing generation during processing of the Switch() 
+operator where AML listing was disabled until the entire Switch block was 
+completed.
+
+iASL: Improve support for semicolon statement terminators. Fix "invalid 
+character" message for some cases when the semicolon is used. Semicolons are 
+now allowed after every <Term> grammar element. ACPICA BZ 927.
+
+iASL: Fixed some possible aliasing warnings during generation. ACPICA BZ 923.
+
+Disassembler: Fix problem with disassembly of the DataTableRegion operator 
+where an inadvertent "Unhandled deferred opcode" message could be generated.
+
+3) Example Code and Data Size
+
+These are the sizes for the OS-independent acpica.lib produced by the 
+Microsoft Visual C++ 9.0 32-bit compiler. The debug version of the code 
+includes the debug output trace mechanism and has a much larger code and data 
+size.
+
+  Previous Release:
+    Non-Debug Version:  90.2K Code, 23.9K Data, 114.1K Total
+    Debug Version:     165.6K Code, 68.4K Data, 234.0K Total
+  Current Release:
+    Non-Debug Version:  92.3K Code, 24.9K Data, 117.2K Total
+    Debug Version:     170.8K Code, 72.6K Data, 243.4K Total
+
+----------------------------------------
+22 September 2011. Summary of changes for version 20110922:
+
+0) ACPI 5.0 News:
+
+Support for ACPI 5.0 in ACPICA has been underway for several months and will 
+be released at the same time that ACPI 5.0 is officially released.
+
+The ACPI 5.0 specification is on track for release in the next few months.
+ 
+1) ACPICA Core Subsystem:
+
+Fixed a problem where the maximum sleep time for the Sleep() operator was 
+intended to be limited to two seconds, but was inadvertently limited to 20 
+seconds instead.
+
+Linux and Unix makefiles: Added header file dependencies to ensure correct 
+generation of ACPICA core code and utilities. Also simplified the makefiles 
+considerably through the use of the vpath variable to specify search paths. 
+ACPICA BZ 924.
+
+2) iASL Compiler/Disassembler and Tools:
+
+iASL: Implemented support to check the access length for all fields created to 
+access named Resource Descriptor fields. For example, if a resource field is 
+defined to be two bits, a warning is issued if a CreateXxxxField() is used 
+with an incorrect bit length. This is implemented for all current resource 
+descriptor names. ACPICA BZ 930.
+  
+Disassembler: Fixed a byte ordering problem with the output of 24-bit and 56-
+bit integers.
+
+iASL: Fixed a couple of issues associated with variable-length package 
+objects. 1) properly handle constants like One, Ones, Zero -- do not make a 
+VAR_PACKAGE when these are used as a package length. 2) Allow the VAR_PACKAGE 
+opcode (in addition to PACKAGE) when validating object types for predefined 
+names.
+
+iASL: Emit statistics for all output files (instead of just the ASL input and 
+AML output). Includes listings, hex files, etc.
+
+iASL: Added -G option to the table compiler to allow the compilation of custom 
+ACPI tables. The only part of a table that is required is the standard 36-byte 
+ACPI header.
+
+AcpiXtract: Ported to the standard ACPICA environment (with ACPICA headers), 
+which also adds correct 64-bit support. Also, now all output filenames are 
+completely lower case.
+
+AcpiExec: Ignore any non-AML tables (tables other than DSDT or SSDT) when 
+loading table files. A warning is issued for any such tables. The only 
+exception is an FADT. This also fixes a possible fault when attempting to load 
+non-AML tables. ACPICA BZ 932.
+
+AcpiHelp: Added the AccessAs and Offset operators. Fixed a problem where a 
+missing table terminator could cause a fault when using the -p option.
+
+AcpiSrc: Fixed a possible divide-by-zero fault when generating file 
+statistics.
+
+3) Example Code and Data Size
+
+These are the sizes for the OS-independent acpica.lib produced by the 
+Microsoft Visual C++ 9.0 32-bit compiler. The debug version of the code 
+includes the debug output trace mechanism and has a much larger code and data 
+size.
+
+  Previous Release (VC 9.0):
+    Non-Debug Version:  90.2K Code, 23.9K Data, 114.1K Total
+    Debug Version:     165.6K Code, 68.4K Data, 234.0K Total
+  Current Release (VC 9.0):
+    Non-Debug Version:  90.2K Code, 23.9K Data, 114.1K Total
+    Debug Version:     165.6K Code, 68.4K Data, 234.0K Total
+
+
+----------------------------------------
+23 June 2011. Summary of changes for version 20110623:
+
+1) ACPI CA Core Subsystem:
+
+Updated the predefined name repair mechanism to not attempt repair of a _TSS 
+return object if a _PSS object is present. We can only sort the _TSS return 
+package if there is no _PSS within the same scope. This is because if _PSS is 
+present, the ACPI specification dictates that the _TSS Power Dissipation field 
+is to be ignored, and therefore some BIOSs leave garbage values in the _TSS 
+Power field(s). In this case, it is best to just return the _TSS package as-
+is. Reported by, and fixed with assistance from Fenghua Yu.
+
+Added an option to globally disable the control method return value validation 
+and repair. This runtime option can be used to disable return value repair if 
+this is causing a problem on a particular machine. Also added an option to 
+AcpiExec (-dr) to set this disable flag.
+
+All makefiles and project files: Major changes to improve generation of ACPICA 
+tools. ACPICA BZ 912:
+    Reduce default optimization levels to improve compatibility
+    For Linux, add strict-aliasing=0 for gcc 4
+    Cleanup and simplify use of command line defines
+    Cleanup multithread library support
+    Improve usage messages
+
+Linux-specific header: update handling of THREAD_ID and pthread. For the 32-
+bit case, improve casting to eliminate possible warnings, especially with the 
+acpica tools.
+
+Example Code and Data Size: These are the sizes for the OS-independent 
+acpica.lib produced by the Microsoft Visual C++ 9.0 32-bit compiler. The debug 
+version of the code includes the debug output trace mechanism and has a much 
+larger code and data size.
+
+  Previous Release (VC 9.0):
+    Non-Debug Version:  90.1K Code, 23.9K Data, 114.0K Total
+    Debug Version:     165.6K Code, 68.4K Data, 234.0K Total
+  Current Release (VC 9.0):
+    Non-Debug Version:  90.2K Code, 23.9K Data, 114.1K Total
+    Debug Version:     165.6K Code, 68.4K Data, 234.0K Total
+
+2) iASL Compiler/Disassembler and Tools:
+
+With this release, a new utility named "acpihelp" has been added to the ACPICA 
+package. This utility summarizes the ACPI specification chapters for the ASL 
+and AML languages. It generates under Linux/Unix as well as Windows, and 
+provides the following functionality:
+    Find/display ASL operator(s) -- with description and syntax.
+    Find/display ASL keyword(s) -- with exact spelling and descriptions.
+    Find/display ACPI predefined name(s) -- with description, number
+        of arguments, and the return value data type.
+    Find/display AML opcode name(s) -- with opcode, arguments, and grammar.
+    Decode/display AML opcode -- with opcode name, arguments, and grammar.
+
+Service Layers: Make multi-thread support configurable. Conditionally compile 
+the multi-thread support so that threading libraries will not be linked if not 
+necessary. The only tool that requires multi-thread support is AcpiExec.
+
+iASL: Update yyerrror/AslCompilerError for "const" errors. Newer versions of 
+Bison appear to want the interface to yyerror to be a const char * (or at 
+least this is a problem when generating iASL on some systems.) ACPICA BZ 923 
+Pierre Lejeune.
+
+Tools: Fix for systems where O_BINARY is not defined. Only used for Windows 
+versions of the tools.
+
+----------------------------------------
+27 May 2011. Summary of changes for version 20110527:
 
 1) ACPI CA Core Subsystem:
 
diff --git a/usr/src/uts/intel/io/acpica/debugger/dbcmds.c b/usr/src/uts/intel/io/acpica/debugger/dbcmds.c
index 73387b872c..459cd916ee 100644
--- a/usr/src/uts/intel/io/acpica/debugger/dbcmds.c
+++ b/usr/src/uts/intel/io/acpica/debugger/dbcmds.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -46,6 +46,7 @@
 #include "accommon.h"
 #include "acevents.h"
 #include "acdebug.h"
+#include "acnamesp.h"
 #include "acresrc.h"
 #include "actables.h"
 
@@ -69,6 +70,18 @@ AcpiDmTestResourceConversion (
     ACPI_NAMESPACE_NODE     *Node,
     char                    *Name);
 
+static ACPI_STATUS
+AcpiDbResourceCallback (
+    ACPI_RESOURCE           *Resource,
+    void                    *Context);
+
+static ACPI_STATUS
+AcpiDbDeviceResources (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue);
+
 
 /*******************************************************************************
  *
@@ -148,28 +161,49 @@ AcpiDbSleep (
     UINT8                   SleepState;
 
 
+    ACPI_FUNCTION_TRACE (AcpiDbSleep);
+
+
     SleepState = (UINT8) ACPI_STRTOUL (ObjectArg, NULL, 0);
 
     AcpiOsPrintf ("**** Prepare to sleep ****\n");
     Status = AcpiEnterSleepStatePrep (SleepState);
     if (ACPI_FAILURE (Status))
     {
-        return (Status);
+        goto ErrorExit;
     }
 
     AcpiOsPrintf ("**** Going to sleep ****\n");
-    Status = AcpiEnterSleepState (SleepState);
+    Status = AcpiEnterSleepState (SleepState, ACPI_NO_OPTIONAL_METHODS);
     if (ACPI_FAILURE (Status))
     {
-        return (Status);
+        goto ErrorExit;
     }
 
-    AcpiOsPrintf ("**** returning from sleep ****\n");
+    AcpiOsPrintf ("**** Prepare to return from sleep ****\n");
+    Status = AcpiLeaveSleepStatePrep (SleepState, ACPI_NO_OPTIONAL_METHODS);
+    if (ACPI_FAILURE (Status))
+    {
+        goto ErrorExit;
+    }
+
+    AcpiOsPrintf ("**** Returning from sleep ****\n");
     Status = AcpiLeaveSleepState (SleepState);
+    if (ACPI_FAILURE (Status))
+    {
+        goto ErrorExit;
+    }
 
     return (Status);
+
+
+ErrorExit:
+
+    ACPI_EXCEPTION ((AE_INFO, Status, "During sleep test"));
+    return (Status);
 }
 
+
 /*******************************************************************************
  *
  * FUNCTION:    AcpiDbDisplayLocks
@@ -339,25 +373,20 @@ AcpiDbSendNotify (
         return;
     }
 
-    /* Decode Named object type */
+    /* Dispatch the notify if legal */
 
-    switch (Node->Type)
+    if (AcpiEvIsNotifyObject (Node))
     {
-    case ACPI_TYPE_DEVICE:
-    case ACPI_TYPE_THERMAL:
-
-         /* Send the notify */
-
         Status = AcpiEvQueueNotifyRequest (Node, Value);
         if (ACPI_FAILURE (Status))
         {
             AcpiOsPrintf ("Could not queue notify\n");
         }
-        break;
-
-    default:
-        AcpiOsPrintf ("Named object is not a device or a thermal object\n");
-        break;
+    }
+    else
+    {
+        AcpiOsPrintf ("Named object [%4.4s] Type %s, must be Device/Thermal/Processor type\n",
+            AcpiUtGetNodeName (Node), AcpiUtGetTypeName (Node->Type));
     }
 }
 
@@ -456,6 +485,78 @@ AcpiDbDisplayInterfaces (
 
 /*******************************************************************************
  *
+ * FUNCTION:    AcpiDbDisplayTemplate
+ *
+ * PARAMETERS:  BufferArg           - Buffer name or addrss
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump a buffer that contains a resource template
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisplayTemplate (
+    char                    *BufferArg)
+{
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+    ACPI_BUFFER             ReturnObj;
+
+
+    /* Translate BufferArg to an Named object */
+
+    Node = AcpiDbConvertToNode (BufferArg);
+    if (!Node || (Node == AcpiGbl_RootNode))
+    {
+        AcpiOsPrintf ("Invalid argument: %s\n", BufferArg);
+        return;
+    }
+
+    /* We must have a buffer object */
+
+    if (Node->Type != ACPI_TYPE_BUFFER)
+    {
+        AcpiOsPrintf ("Not a Buffer object, cannot be a template: %s\n",
+            BufferArg);
+        return;
+    }
+
+    ReturnObj.Length = ACPI_DEBUG_BUFFER_SIZE;
+    ReturnObj.Pointer = AcpiGbl_DbBuffer;
+
+    /* Attempt to convert the raw buffer to a resource list */
+
+    Status = AcpiRsCreateResourceList (Node->Object, &ReturnObj);
+
+    AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
+    AcpiDbgLevel |= ACPI_LV_RESOURCES;
+
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("Could not convert Buffer to a resource list: %s, %s\n",
+            BufferArg, AcpiFormatException (Status));
+        goto DumpBuffer;
+    }
+
+    /* Now we can dump the resource list */
+
+    AcpiRsDumpResourceList (ACPI_CAST_PTR (ACPI_RESOURCE,
+        ReturnObj.Pointer));
+
+DumpBuffer:
+    AcpiOsPrintf ("\nRaw data buffer:\n");
+    AcpiUtDumpBuffer ((UINT8 *) Node->Object->Buffer.Pointer,
+        Node->Object->Buffer.Length,
+        DB_BYTE_DISPLAY, ACPI_UINT32_MAX);
+
+    AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
+    return;
+}
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    AcpiDmCompareAmlResources
  *
  * PARAMETERS:  Aml1Buffer          - Contains first resource list
@@ -479,11 +580,14 @@ AcpiDmCompareAmlResources (
 {
     UINT8                   *Aml1;
     UINT8                   *Aml2;
+    UINT8                   *Aml1End;
+    UINT8                   *Aml2End;
     ACPI_RSDESC_SIZE        Aml1Length;
     ACPI_RSDESC_SIZE        Aml2Length;
     ACPI_RSDESC_SIZE        Offset = 0;
     UINT8                   ResourceType;
     UINT32                  Count = 0;
+    UINT32                  i;
 
 
     /* Compare overall buffer sizes (may be different due to size rounding) */
@@ -491,16 +595,18 @@ AcpiDmCompareAmlResources (
     if (Aml1BufferLength != Aml2BufferLength)
     {
         AcpiOsPrintf (
-            "**** Buffer length mismatch in converted AML: original %X new %X ****\n",
+            "**** Buffer length mismatch in converted AML: Original %X, New %X ****\n",
             Aml1BufferLength, Aml2BufferLength);
     }
 
     Aml1 = Aml1Buffer;
     Aml2 = Aml2Buffer;
+    Aml1End = Aml1Buffer + Aml1BufferLength;
+    Aml2End = Aml2Buffer + Aml2BufferLength;
 
     /* Walk the descriptor lists, comparing each descriptor */
 
-    while (Aml1 < (Aml1Buffer + Aml1BufferLength))
+    while ((Aml1 < Aml1End) && (Aml2 < Aml2End))
     {
         /* Get the lengths of each descriptor */
 
@@ -513,7 +619,7 @@ AcpiDmCompareAmlResources (
         if (Aml1Length != Aml2Length)
         {
             AcpiOsPrintf (
-                "**** Length mismatch in descriptor [%.2X] type %2.2X, Offset %8.8X L1 %X L2 %X ****\n",
+                "**** Length mismatch in descriptor [%.2X] type %2.2X, Offset %8.8X Len1 %X, Len2 %X ****\n",
                 Count, ResourceType, Offset, Aml1Length, Aml2Length);
         }
 
@@ -524,6 +630,15 @@ AcpiDmCompareAmlResources (
             AcpiOsPrintf (
                 "**** Data mismatch in descriptor [%.2X] type %2.2X, Offset %8.8X ****\n",
                 Count, ResourceType, Offset);
+
+            for (i = 0; i < Aml1Length; i++)
+            {
+                if (Aml1[i] != Aml2[i])
+                {
+                    AcpiOsPrintf ("Mismatch at byte offset %.2X: is %2.2X, should be %2.2X\n",
+                        i, Aml2[i], Aml1[i]);
+                }
+            }
         }
 
         /* Exit on EndTag descriptor */
@@ -626,160 +741,301 @@ Exit1:
 
 /*******************************************************************************
  *
- * FUNCTION:    AcpiDbDisplayResources
+ * FUNCTION:    AcpiDbResourceCallback
  *
- * PARAMETERS:  ObjectArg       - String with hex value of the object
+ * PARAMETERS:  ACPI_WALK_RESOURCE_CALLBACK
  *
- * RETURN:      None
+ * RETURN:      Status
  *
- * DESCRIPTION: Display the resource objects associated with a device.
+ * DESCRIPTION: Simple callback to exercise AcpiWalkResources
  *
  ******************************************************************************/
 
-void
-AcpiDbDisplayResources (
-    char                    *ObjectArg)
+static ACPI_STATUS
+AcpiDbResourceCallback (
+    ACPI_RESOURCE           *Resource,
+    void                    *Context)
+{
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDeviceResources
+ *
+ * PARAMETERS:  ACPI_WALK_CALLBACK
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Display the _PRT/_CRS/_PRS resources for a device object.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiDbDeviceResources (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue)
 {
     ACPI_NAMESPACE_NODE     *Node;
-    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *PrtNode = NULL;
+    ACPI_NAMESPACE_NODE     *CrsNode = NULL;
+    ACPI_NAMESPACE_NODE     *PrsNode = NULL;
+    ACPI_NAMESPACE_NODE     *AeiNode = NULL;
+    char                    *ParentPath;
     ACPI_BUFFER             ReturnObj;
+    ACPI_STATUS             Status;
 
 
-    AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
-    AcpiDbgLevel |= ACPI_LV_RESOURCES;
+    Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjHandle);
+    ParentPath = AcpiNsGetExternalPathname (Node);
+    if (!ParentPath)
+    {
+        return (AE_NO_MEMORY);
+    }
 
-    /* Convert string to object pointer */
+    /* Get handles to the resource methods for this device */
 
-    Node = AcpiDbConvertToNode (ObjectArg);
-    if (!Node)
+    (void) AcpiGetHandle (Node, METHOD_NAME__PRT, ACPI_CAST_PTR (ACPI_HANDLE, &PrtNode));
+    (void) AcpiGetHandle (Node, METHOD_NAME__CRS, ACPI_CAST_PTR (ACPI_HANDLE, &CrsNode));
+    (void) AcpiGetHandle (Node, METHOD_NAME__PRS, ACPI_CAST_PTR (ACPI_HANDLE, &PrsNode));
+    (void) AcpiGetHandle (Node, METHOD_NAME__AEI, ACPI_CAST_PTR (ACPI_HANDLE, &AeiNode));
+    if (!PrtNode && !CrsNode && !PrsNode && !AeiNode)
     {
-        return;
+        goto Cleanup;   /* Nothing to do */
     }
 
+    AcpiOsPrintf ("\nDevice: %s\n", ParentPath);
+
     /* Prepare for a return object of arbitrary size */
 
     ReturnObj.Pointer = AcpiGbl_DbBuffer;
     ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;
 
+
     /* _PRT */
 
-    AcpiOsPrintf ("Evaluating _PRT\n");
+    if (PrtNode)
+    {
+        AcpiOsPrintf ("Evaluating _PRT\n");
 
-    /* Check if _PRT exists */
+        Status = AcpiEvaluateObject (PrtNode, NULL, NULL, &ReturnObj);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiOsPrintf ("Could not evaluate _PRT: %s\n",
+                AcpiFormatException (Status));
+            goto GetCrs;
+        }
 
-    Status = AcpiEvaluateObject (Node, METHOD_NAME__PRT, NULL, &ReturnObj);
-    if (ACPI_FAILURE (Status))
-    {
-        AcpiOsPrintf ("Could not obtain _PRT: %s\n",
-            AcpiFormatException (Status));
-        goto GetCrs;
-    }
+        ReturnObj.Pointer = AcpiGbl_DbBuffer;
+        ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;
 
-    ReturnObj.Pointer = AcpiGbl_DbBuffer;
-    ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;
+        Status = AcpiGetIrqRoutingTable (Node, &ReturnObj);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiOsPrintf ("GetIrqRoutingTable failed: %s\n",
+                AcpiFormatException (Status));
+            goto GetCrs;
+        }
 
-    Status = AcpiGetIrqRoutingTable (Node, &ReturnObj);
-    if (ACPI_FAILURE (Status))
-    {
-        AcpiOsPrintf ("GetIrqRoutingTable failed: %s\n",
-            AcpiFormatException (Status));
-        goto GetCrs;
+        AcpiRsDumpIrqList (ACPI_CAST_PTR (UINT8, AcpiGbl_DbBuffer));
     }
 
-    AcpiRsDumpIrqList (ACPI_CAST_PTR (UINT8, AcpiGbl_DbBuffer));
-
 
     /* _CRS */
 
 GetCrs:
-    AcpiOsPrintf ("Evaluating _CRS\n");
+    if (CrsNode)
+    {
+        AcpiOsPrintf ("Evaluating _CRS\n");
 
-    ReturnObj.Pointer = AcpiGbl_DbBuffer;
-    ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;
+        ReturnObj.Pointer = AcpiGbl_DbBuffer;
+        ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;
 
-    /* Check if _CRS exists */
+        Status = AcpiEvaluateObject (CrsNode, NULL, NULL, &ReturnObj);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiOsPrintf ("Could not evaluate _CRS: %s\n",
+                AcpiFormatException (Status));
+            goto GetPrs;
+        }
 
-    Status = AcpiEvaluateObject (Node, METHOD_NAME__CRS, NULL, &ReturnObj);
-    if (ACPI_FAILURE (Status))
-    {
-        AcpiOsPrintf ("Could not obtain _CRS: %s\n",
-            AcpiFormatException (Status));
-        goto GetPrs;
-    }
+        /* This code is here to exercise the AcpiWalkResources interface */
 
-    /* Get the _CRS resource list */
+        Status = AcpiWalkResources (Node, METHOD_NAME__CRS,
+            AcpiDbResourceCallback, NULL);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiOsPrintf ("AcpiWalkResources failed: %s\n",
+                AcpiFormatException (Status));
+            goto GetPrs;
+        }
 
-    ReturnObj.Pointer = AcpiGbl_DbBuffer;
-    ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;
+        /* Get the _CRS resource list */
 
-    Status = AcpiGetCurrentResources (Node, &ReturnObj);
-    if (ACPI_FAILURE (Status))
-    {
-        AcpiOsPrintf ("AcpiGetCurrentResources failed: %s\n",
-            AcpiFormatException (Status));
-        goto GetPrs;
-    }
+        ReturnObj.Pointer = AcpiGbl_DbBuffer;
+        ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;
 
-    /* Dump the _CRS resource list */
+        Status = AcpiGetCurrentResources (Node, &ReturnObj);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiOsPrintf ("AcpiGetCurrentResources failed: %s\n",
+                AcpiFormatException (Status));
+            goto GetPrs;
+        }
 
-    AcpiRsDumpResourceList (ACPI_CAST_PTR (ACPI_RESOURCE,
-        ReturnObj.Pointer));
+        /* Dump the _CRS resource list */
 
-    /*
-     * Perform comparison of original AML to newly created AML. This tests both
-     * the AML->Resource conversion and the Resource->Aml conversion.
-     */
-    Status = AcpiDmTestResourceConversion (Node, METHOD_NAME__CRS);
+        AcpiRsDumpResourceList (ACPI_CAST_PTR (ACPI_RESOURCE,
+            ReturnObj.Pointer));
 
-    /* Execute _SRS with the resource list */
+        /*
+         * Perform comparison of original AML to newly created AML. This tests both
+         * the AML->Resource conversion and the Resource->Aml conversion.
+         */
+        Status = AcpiDmTestResourceConversion (Node, METHOD_NAME__CRS);
 
-    Status = AcpiSetCurrentResources (Node, &ReturnObj);
-    if (ACPI_FAILURE (Status))
-    {
-        AcpiOsPrintf ("AcpiSetCurrentResources failed: %s\n",
-            AcpiFormatException (Status));
-        goto GetPrs;
+        /* Execute _SRS with the resource list */
+
+        Status = AcpiSetCurrentResources (Node, &ReturnObj);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiOsPrintf ("AcpiSetCurrentResources failed: %s\n",
+                AcpiFormatException (Status));
+            goto GetPrs;
+        }
     }
 
 
     /* _PRS */
 
 GetPrs:
-    AcpiOsPrintf ("Evaluating _PRS\n");
+    if (PrsNode)
+    {
+        AcpiOsPrintf ("Evaluating _PRS\n");
 
-    ReturnObj.Pointer = AcpiGbl_DbBuffer;
-    ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;
+        ReturnObj.Pointer = AcpiGbl_DbBuffer;
+        ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;
+
+        Status = AcpiEvaluateObject (PrsNode, NULL, NULL, &ReturnObj);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiOsPrintf ("Could not evaluate _PRS: %s\n",
+                AcpiFormatException (Status));
+            goto GetAei;
+        }
 
-    /* Check if _PRS exists */
+        ReturnObj.Pointer = AcpiGbl_DbBuffer;
+        ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;
 
-    Status = AcpiEvaluateObject (Node, METHOD_NAME__PRS, NULL, &ReturnObj);
-    if (ACPI_FAILURE (Status))
-    {
-        AcpiOsPrintf ("Could not obtain _PRS: %s\n",
-            AcpiFormatException (Status));
-        goto Cleanup;
+        Status = AcpiGetPossibleResources (Node, &ReturnObj);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiOsPrintf ("AcpiGetPossibleResources failed: %s\n",
+                AcpiFormatException (Status));
+            goto GetAei;
+        }
+
+        AcpiRsDumpResourceList (ACPI_CAST_PTR (ACPI_RESOURCE, AcpiGbl_DbBuffer));
     }
 
-    ReturnObj.Pointer = AcpiGbl_DbBuffer;
-    ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;
 
-    Status = AcpiGetPossibleResources (Node, &ReturnObj);
-    if (ACPI_FAILURE (Status))
+    /* _AEI */
+
+GetAei:
+    if (AeiNode)
     {
-        AcpiOsPrintf ("AcpiGetPossibleResources failed: %s\n",
-            AcpiFormatException (Status));
-        goto Cleanup;
+        AcpiOsPrintf ("Evaluating _AEI\n");
+
+        ReturnObj.Pointer = AcpiGbl_DbBuffer;
+        ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;
+
+        Status = AcpiEvaluateObject (AeiNode, NULL, NULL, &ReturnObj);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiOsPrintf ("Could not evaluate _AEI: %s\n",
+                AcpiFormatException (Status));
+            goto Cleanup;
+        }
+
+        ReturnObj.Pointer = AcpiGbl_DbBuffer;
+        ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;
+
+        Status = AcpiGetEventResources (Node, &ReturnObj);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiOsPrintf ("AcpiGetEventResources failed: %s\n",
+                AcpiFormatException (Status));
+            goto Cleanup;
+        }
+
+        AcpiRsDumpResourceList (ACPI_CAST_PTR (ACPI_RESOURCE, AcpiGbl_DbBuffer));
     }
 
-    AcpiRsDumpResourceList (ACPI_CAST_PTR (ACPI_RESOURCE, AcpiGbl_DbBuffer));
 
 Cleanup:
+    ACPI_FREE (ParentPath);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayResources
+ *
+ * PARAMETERS:  ObjectArg       - String object name or object pointer.
+ *                                "*" means "display resources for all devices"
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display the resource objects associated with a device.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisplayResources (
+    char                    *ObjectArg)
+{
+    ACPI_NAMESPACE_NODE     *Node;
+
+
+    AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
+    AcpiDbgLevel |= ACPI_LV_RESOURCES;
+
+    /* Asterisk means "display resources for all devices" */
+
+    if (!ACPI_STRCMP (ObjectArg, "*"))
+    {
+        (void) AcpiWalkNamespace (ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
+                    ACPI_UINT32_MAX, AcpiDbDeviceResources, NULL, NULL, NULL);
+    }
+    else
+    {
+        /* Convert string to object pointer */
+
+        Node = AcpiDbConvertToNode (ObjectArg);
+        if (Node)
+        {
+            if (Node->Type != ACPI_TYPE_DEVICE)
+            {
+                AcpiOsPrintf ("%4.4s: Name is not a device object (%s)\n",
+                    Node->Name.Ascii, AcpiUtGetTypeName (Node->Type));
+            }
+            else
+            {
+                (void) AcpiDbDeviceResources (Node, 0, NULL, NULL);
+            }
+        }
+    }
 
     AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
-    return;
 }
 
 
+#if (!ACPI_REDUCED_HARDWARE)
 /*******************************************************************************
  *
  * FUNCTION:    AcpiDbGenerateGpe
@@ -818,5 +1074,6 @@ AcpiDbGenerateGpe (
 
     (void) AcpiEvGpeDispatch (NULL, GpeEventInfo, GpeNumber);
 }
+#endif /* !ACPI_REDUCED_HARDWARE */
 
 #endif /* ACPI_DEBUGGER */
diff --git a/usr/src/uts/intel/io/acpica/debugger/dbdisply.c b/usr/src/uts/intel/io/acpica/debugger/dbdisply.c
index 61e837e751..7facc8dd08 100644
--- a/usr/src/uts/intel/io/acpica/debugger/dbdisply.c
+++ b/usr/src/uts/intel/io/acpica/debugger/dbdisply.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -90,6 +90,8 @@ static ACPI_ADR_SPACE_TYPE  AcpiGbl_SpaceIdList[] =
     ACPI_ADR_SPACE_CMOS,
     ACPI_ADR_SPACE_PCI_BAR_TARGET,
     ACPI_ADR_SPACE_IPMI,
+    ACPI_ADR_SPACE_GPIO,
+    ACPI_ADR_SPACE_GSBUS,
     ACPI_ADR_SPACE_DATA_TABLE,
     ACPI_ADR_SPACE_FIXED_HARDWARE
 };
@@ -105,8 +107,8 @@ typedef struct acpi_handler_info
 
 static ACPI_HANDLER_INFO    AcpiGbl_HandlerList[] =
 {
-    {&AcpiGbl_SystemNotify.Handler,     "System Notifications"},
-    {&AcpiGbl_DeviceNotify.Handler,     "Device Notifications"},
+    {&AcpiGbl_GlobalNotify[0].Handler,  "System Notifications"},
+    {&AcpiGbl_GlobalNotify[1].Handler,  "Device Notifications"},
     {&AcpiGbl_TableHandler,             "ACPI Table Events"},
     {&AcpiGbl_ExceptionHandler,         "Control Method Exceptions"},
     {&AcpiGbl_InterfaceHandler,         "OSI Invocations"}
@@ -768,6 +770,7 @@ AcpiDbDisplayArgumentObject (
 }
 
 
+#if (!ACPI_REDUCED_HARDWARE)
 /*******************************************************************************
  *
  * FUNCTION:    AcpiDbDisplayGpes
@@ -930,6 +933,7 @@ AcpiDbDisplayGpes (
         GpeXruptInfo = GpeXruptInfo->Next;
     }
 }
+#endif /* !ACPI_REDUCED_HARDWARE */
 
 
 /*******************************************************************************
@@ -971,7 +975,7 @@ AcpiDbDisplayHandlers (
 
             while (HandlerObj)
             {
-                if (i == HandlerObj->AddressSpace.SpaceId)
+                if (AcpiGbl_SpaceIdList[i] == HandlerObj->AddressSpace.SpaceId)
                 {
                     AcpiOsPrintf (ACPI_HANDLER_PRESENT_STRING,
                         (HandlerObj->AddressSpace.HandlerFlags &
@@ -989,8 +993,28 @@ AcpiDbDisplayHandlers (
 
         FoundHandler:;
         }
+
+        /* Find all handlers for user-defined SpaceIDs */
+
+        HandlerObj = ObjDesc->Device.Handler;
+        while (HandlerObj)
+        {
+            if (HandlerObj->AddressSpace.SpaceId >= ACPI_USER_REGION_BEGIN)
+            {
+                AcpiOsPrintf (ACPI_PREDEFINED_PREFIX,
+                    "User-defined ID", HandlerObj->AddressSpace.SpaceId);
+                AcpiOsPrintf (ACPI_HANDLER_PRESENT_STRING,
+                    (HandlerObj->AddressSpace.HandlerFlags &
+                        ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) ? "Default" : "User",
+                    HandlerObj->AddressSpace.Handler);
+            }
+
+            HandlerObj = HandlerObj->AddressSpace.Next;
+        }
     }
 
+#if (!ACPI_REDUCED_HARDWARE)
+
     /* Fixed event handlers */
 
     AcpiOsPrintf ("\nFixed Event Handlers:\n");
@@ -1009,6 +1033,8 @@ AcpiDbDisplayHandlers (
         }
     }
 
+#endif /* !ACPI_REDUCED_HARDWARE */
+
     /* Miscellaneous global handlers */
 
     AcpiOsPrintf ("\nMiscellaneous Global Handlers:\n");
diff --git a/usr/src/uts/intel/io/acpica/debugger/dbexec.c b/usr/src/uts/intel/io/acpica/debugger/dbexec.c
index bcbc7a8daf..7818c9ddbe 100644
--- a/usr/src/uts/intel/io/acpica/debugger/dbexec.c
+++ b/usr/src/uts/intel/io/acpica/debugger/dbexec.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/debugger/dbfileio.c b/usr/src/uts/intel/io/acpica/debugger/dbfileio.c
index 8d0ef0aaa8..ef9b7fef53 100644
--- a/usr/src/uts/intel/io/acpica/debugger/dbfileio.c
+++ b/usr/src/uts/intel/io/acpica/debugger/dbfileio.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -271,10 +271,11 @@ AcpiDbReadTable (
 
     fseek (fp, 0, SEEK_SET);
 
-    /* The RSDT and FACS tables do not have standard ACPI headers */
+    /* The RSDT, FACS and S3PT tables do not have standard ACPI headers */
 
     if (ACPI_COMPARE_NAME (TableHeader.Signature, "RSD ") ||
-        ACPI_COMPARE_NAME (TableHeader.Signature, "FACS"))
+        ACPI_COMPARE_NAME (TableHeader.Signature, "FACS") ||
+        ACPI_COMPARE_NAME (TableHeader.Signature, "S3PT"))
     {
         *TableLength = FileSize;
         StandardHeader = FALSE;
diff --git a/usr/src/uts/intel/io/acpica/debugger/dbhistry.c b/usr/src/uts/intel/io/acpica/debugger/dbhistry.c
index 855d6b956f..536b69cdfa 100644
--- a/usr/src/uts/intel/io/acpica/debugger/dbhistry.c
+++ b/usr/src/uts/intel/io/acpica/debugger/dbhistry.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/debugger/dbinput.c b/usr/src/uts/intel/io/acpica/debugger/dbinput.c
index 1d716cfb1b..0ae313934b 100644
--- a/usr/src/uts/intel/io/acpica/debugger/dbinput.c
+++ b/usr/src/uts/intel/io/acpica/debugger/dbinput.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -131,6 +131,7 @@ enum AcpiExDebuggerCommands
     CMD_STATS,
     CMD_STOP,
     CMD_TABLES,
+    CMD_TEMPLATE,
     CMD_TERMINATE,
     CMD_THREADS,
     CMD_TRACE,
@@ -199,6 +200,7 @@ static const COMMAND_INFO       AcpiGbl_DbCommands[] =
     {"STATS",        0},
     {"STOP",         0},
     {"TABLES",       0},
+    {"TEMPLATE",     1},
     {"TERMINATE",    0},
     {"THREADS",      3},
     {"TRACE",        1},
@@ -268,9 +270,10 @@ AcpiDbDisplayHelp (
     AcpiOsPrintf ("  Predefined                          Check all predefined names\n");
     AcpiOsPrintf ("  Prefix [<NamePath>]                 Set or Get current execution prefix\n");
     AcpiOsPrintf ("  References <Addr>                   Find all references to object at addr\n");
-    AcpiOsPrintf ("  Resources <Device>                  Get and display Device resources\n");
+    AcpiOsPrintf ("  Resources <DeviceName | *>          Display Device resources (* = all devices)\n");
     AcpiOsPrintf ("  Set N <NamedObject> <Value>         Set value for named integer\n");
     AcpiOsPrintf ("  Sleep <SleepState>                  Simulate sleep/wake sequence\n");
+    AcpiOsPrintf ("  Template <Object>                   Format/dump a Buffer/ResourceTemplate\n");
     AcpiOsPrintf ("  Terminate                           Delete namespace and all internal objects\n");
     AcpiOsPrintf ("  Type <Object>                       Display object type\n");
 
@@ -659,12 +662,15 @@ AcpiDbCommandDispatch (
         break;
 
     case CMD_ENABLEACPI:
+#if (!ACPI_REDUCED_HARDWARE)
+
         Status = AcpiEnable();
         if (ACPI_FAILURE(Status))
         {
             AcpiOsPrintf("AcpiEnable failed (Status=%X)\n", Status);
             return (Status);
         }
+#endif /* !ACPI_REDUCED_HARDWARE */
         break;
 
     case CMD_EVENT:
@@ -854,6 +860,10 @@ AcpiDbCommandDispatch (
         AcpiDbDisplayTableInfo (AcpiGbl_DbArgs[1]);
         break;
 
+    case CMD_TEMPLATE:
+        AcpiDbDisplayTemplate (AcpiGbl_DbArgs[1]);
+        break;
+
     case CMD_TERMINATE:
         AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
         AcpiUtSubsystemShutdown ();
diff --git a/usr/src/uts/intel/io/acpica/debugger/dbmethod.c b/usr/src/uts/intel/io/acpica/debugger/dbmethod.c
index f0b88ebdb3..0d45d68150 100644
--- a/usr/src/uts/intel/io/acpica/debugger/dbmethod.c
+++ b/usr/src/uts/intel/io/acpica/debugger/dbmethod.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/debugger/dbnames.c b/usr/src/uts/intel/io/acpica/debugger/dbnames.c
index e4e4280f29..be326c5390 100644
--- a/usr/src/uts/intel/io/acpica/debugger/dbnames.c
+++ b/usr/src/uts/intel/io/acpica/debugger/dbnames.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/debugger/dbstats.c b/usr/src/uts/intel/io/acpica/debugger/dbstats.c
index bf17c63932..fcc4998ede 100644
--- a/usr/src/uts/intel/io/acpica/debugger/dbstats.c
+++ b/usr/src/uts/intel/io/acpica/debugger/dbstats.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -227,8 +227,8 @@ AcpiDbEnumerateObject (
 
     case ACPI_TYPE_DEVICE:
 
-        AcpiDbEnumerateObject (ObjDesc->Device.SystemNotify);
-        AcpiDbEnumerateObject (ObjDesc->Device.DeviceNotify);
+        AcpiDbEnumerateObject (ObjDesc->Device.NotifyList[0]);
+        AcpiDbEnumerateObject (ObjDesc->Device.NotifyList[1]);
         AcpiDbEnumerateObject (ObjDesc->Device.Handler);
         break;
 
@@ -248,21 +248,21 @@ AcpiDbEnumerateObject (
 
     case ACPI_TYPE_POWER:
 
-        AcpiDbEnumerateObject (ObjDesc->PowerResource.SystemNotify);
-        AcpiDbEnumerateObject (ObjDesc->PowerResource.DeviceNotify);
+        AcpiDbEnumerateObject (ObjDesc->PowerResource.NotifyList[0]);
+        AcpiDbEnumerateObject (ObjDesc->PowerResource.NotifyList[1]);
         break;
 
     case ACPI_TYPE_PROCESSOR:
 
-        AcpiDbEnumerateObject (ObjDesc->Processor.SystemNotify);
-        AcpiDbEnumerateObject (ObjDesc->Processor.DeviceNotify);
+        AcpiDbEnumerateObject (ObjDesc->Processor.NotifyList[0]);
+        AcpiDbEnumerateObject (ObjDesc->Processor.NotifyList[1]);
         AcpiDbEnumerateObject (ObjDesc->Processor.Handler);
         break;
 
     case ACPI_TYPE_THERMAL:
 
-        AcpiDbEnumerateObject (ObjDesc->ThermalZone.SystemNotify);
-        AcpiDbEnumerateObject (ObjDesc->ThermalZone.DeviceNotify);
+        AcpiDbEnumerateObject (ObjDesc->ThermalZone.NotifyList[0]);
+        AcpiDbEnumerateObject (ObjDesc->ThermalZone.NotifyList[1]);
         AcpiDbEnumerateObject (ObjDesc->ThermalZone.Handler);
         break;
 
@@ -522,6 +522,18 @@ AcpiDbDisplayStatistics (
         AcpiOsPrintf ("NamespaceNode    %3d\n", sizeof (ACPI_NAMESPACE_NODE));
         AcpiOsPrintf ("AcpiObject       %3d\n", sizeof (ACPI_OBJECT));
 
+        AcpiOsPrintf ("\n");
+
+        AcpiOsPrintf ("Generic State    %3d\n", sizeof (ACPI_GENERIC_STATE));
+        AcpiOsPrintf ("Common State     %3d\n", sizeof (ACPI_COMMON_STATE));
+        AcpiOsPrintf ("Control State    %3d\n", sizeof (ACPI_CONTROL_STATE));
+        AcpiOsPrintf ("Update State     %3d\n", sizeof (ACPI_UPDATE_STATE));
+        AcpiOsPrintf ("Scope State      %3d\n", sizeof (ACPI_SCOPE_STATE));
+        AcpiOsPrintf ("Parse Scope      %3d\n", sizeof (ACPI_PSCOPE_STATE));
+        AcpiOsPrintf ("Package State    %3d\n", sizeof (ACPI_PKG_STATE));
+        AcpiOsPrintf ("Thread State     %3d\n", sizeof (ACPI_THREAD_STATE));
+        AcpiOsPrintf ("Result Values    %3d\n", sizeof (ACPI_RESULT_VALUES));
+        AcpiOsPrintf ("Notify Info      %3d\n", sizeof (ACPI_NOTIFY_INFO));
         break;
 
 
diff --git a/usr/src/uts/intel/io/acpica/debugger/dbutils.c b/usr/src/uts/intel/io/acpica/debugger/dbutils.c
index 5b071e87b6..cf29b225de 100644
--- a/usr/src/uts/intel/io/acpica/debugger/dbutils.c
+++ b/usr/src/uts/intel/io/acpica/debugger/dbutils.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -190,10 +190,7 @@ AcpiDbDumpExternalObject (
     case ACPI_TYPE_STRING:
 
         AcpiOsPrintf ("[String] Length %.2X = ", ObjDesc->String.Length);
-        for (i = 0; i < ObjDesc->String.Length; i++)
-        {
-            AcpiOsPrintf ("%c", ObjDesc->String.Pointer[i]);
-        }
+        AcpiUtPrintString (ObjDesc->String.Pointer, ACPI_UINT8_MAX);
         AcpiOsPrintf ("\n");
         break;
 
@@ -208,7 +205,7 @@ AcpiDbDumpExternalObject (
                 AcpiOsPrintf ("\n");
             }
             AcpiUtDumpBuffer (ACPI_CAST_PTR (UINT8, ObjDesc->Buffer.Pointer),
-                    ObjDesc->Buffer.Length, DB_DWORD_DISPLAY, _COMPONENT);
+                    ObjDesc->Buffer.Length, DB_BYTE_DISPLAY, _COMPONENT);
         }
         else
         {
diff --git a/usr/src/uts/intel/io/acpica/debugger/dbxface.c b/usr/src/uts/intel/io/acpica/debugger/dbxface.c
index e638733c22..cd30273434 100644
--- a/usr/src/uts/intel/io/acpica/debugger/dbxface.c
+++ b/usr/src/uts/intel/io/acpica/debugger/dbxface.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/disassembler/dmbuffer.c b/usr/src/uts/intel/io/acpica/disassembler/dmbuffer.c
index f223f89f43..9f49f92e47 100644
--- a/usr/src/uts/intel/io/acpica/disassembler/dmbuffer.c
+++ b/usr/src/uts/intel/io/acpica/disassembler/dmbuffer.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -108,19 +108,19 @@ AcpiDmDisasmByteList (
             }
 
             AcpiDmIndent (Level);
-            if (ByteCount > 7)
+            if (ByteCount > 8)
             {
-                AcpiOsPrintf ("/* %04X */    ", i);
+                AcpiOsPrintf ("/* %04X */  ", i);
             }
         }
 
-        AcpiOsPrintf ("0x%2.2X", (UINT32) ByteData[i]);
+        AcpiOsPrintf (" 0x%2.2X", (UINT32) ByteData[i]);
 
         /* Add comma if there are more bytes to display */
 
         if (i < (ByteCount -1))
         {
-            AcpiOsPrintf (", ");
+            AcpiOsPrintf (",");
         }
     }
 
diff --git a/usr/src/uts/intel/io/acpica/disassembler/dmnames.c b/usr/src/uts/intel/io/acpica/disassembler/dmnames.c
index b00bca8e86..92e67c2e0a 100644
--- a/usr/src/uts/intel/io/acpica/disassembler/dmnames.c
+++ b/usr/src/uts/intel/io/acpica/disassembler/dmnames.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/disassembler/dmobject.c b/usr/src/uts/intel/io/acpica/disassembler/dmobject.c
index 9d5d7dd92c..cb515e9427 100644
--- a/usr/src/uts/intel/io/acpica/disassembler/dmobject.c
+++ b/usr/src/uts/intel/io/acpica/disassembler/dmobject.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/disassembler/dmopcode.c b/usr/src/uts/intel/io/acpica/disassembler/dmopcode.c
index 5da3847714..6d2c3e1ecf 100644
--- a/usr/src/uts/intel/io/acpica/disassembler/dmopcode.c
+++ b/usr/src/uts/intel/io/acpica/disassembler/dmopcode.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -303,6 +303,7 @@ AcpiDmDisassembleOneOp (
     UINT32                  Length;
     ACPI_PARSE_OBJECT       *Child;
     ACPI_STATUS             Status;
+    UINT8                   *Aml;
 
 
     if (!Op)
@@ -426,16 +427,19 @@ AcpiDmDisassembleOneOp (
          * types of buffers, we have to closely look at the data in the
          * buffer to determine the type.
          */
-        Status = AcpiDmIsResourceTemplate (Op);
-        if (ACPI_SUCCESS (Status))
+        if (!AcpiGbl_NoResourceDisassembly)
         {
-            Op->Common.DisasmOpcode = ACPI_DASM_RESOURCE;
-            AcpiOsPrintf ("ResourceTemplate");
-            break;
-        }
-        else if (Status == AE_AML_NO_RESOURCE_END_TAG)
-        {
-            AcpiOsPrintf ("/**** Is ResourceTemplate, but EndTag not at buffer end ****/ ");
+            Status = AcpiDmIsResourceTemplate (Op);
+            if (ACPI_SUCCESS (Status))
+            {
+                Op->Common.DisasmOpcode = ACPI_DASM_RESOURCE;
+                AcpiOsPrintf ("ResourceTemplate");
+                break;
+            }
+            else if (Status == AE_AML_NO_RESOURCE_END_TAG)
+            {
+                AcpiOsPrintf ("/**** Is ResourceTemplate, but EndTag not at buffer end ****/ ");
+            }
         }
 
         if (AcpiDmIsUnicodeBuffer (Op))
@@ -495,7 +499,7 @@ AcpiDmDisassembleOneOp (
 
         if (Info->BitOffset % 8 == 0)
         {
-            AcpiOsPrintf ("        Offset (0x%.2X)", ACPI_DIV_8 (Info->BitOffset));
+            AcpiOsPrintf ("Offset (0x%.2X)", ACPI_DIV_8 (Info->BitOffset));
         }
         else
         {
@@ -507,16 +511,59 @@ AcpiDmDisassembleOneOp (
 
 
     case AML_INT_ACCESSFIELD_OP:
+    case AML_INT_EXTACCESSFIELD_OP:
 
-        AcpiOsPrintf ("        AccessAs (%s, ",
-            AcpiGbl_AccessTypes [(UINT32) (Op->Common.Value.Integer >> 8) & 0x7]);
+        AcpiOsPrintf ("AccessAs (%s, ",
+            AcpiGbl_AccessTypes [(UINT32) (Op->Common.Value.Integer & 0x7)]);
+
+        AcpiDmDecodeAttribute ((UINT8) (Op->Common.Value.Integer >> 8));
+
+        if (Op->Common.AmlOpcode == AML_INT_EXTACCESSFIELD_OP)
+        {
+            AcpiOsPrintf (" (0x%2.2X)", (unsigned) ((Op->Common.Value.Integer >> 16) & 0xFF));
+        }
 
-        AcpiDmDecodeAttribute ((UINT8) Op->Common.Value.Integer);
         AcpiOsPrintf (")");
         AcpiDmCommaIfFieldMember (Op);
         break;
 
 
+    case AML_INT_CONNECTION_OP:
+
+        /*
+         * Two types of Connection() - one with a buffer object, the
+         * other with a namestring that points to a buffer object.
+         */
+        AcpiOsPrintf ("Connection (");
+        Child = Op->Common.Value.Arg;
+
+        if (Child->Common.AmlOpcode == AML_INT_BYTELIST_OP)
+        {
+            AcpiOsPrintf ("\n");
+
+            Aml = Child->Named.Data;
+            Length = (UINT32) Child->Common.Value.Integer;
+
+            Info->Level += 1;
+            Op->Common.DisasmOpcode = ACPI_DASM_RESOURCE;
+            AcpiDmResourceTemplate (Info, Op->Common.Parent, Aml, Length);
+
+            Info->Level -= 1;
+            AcpiDmIndent (Info->Level);
+        }
+        else
+        {
+            AcpiDmNamestring (Child->Common.Value.Name);
+        }
+
+        AcpiOsPrintf (")");
+        AcpiDmCommaIfFieldMember (Op);
+        AcpiOsPrintf ("\n");
+
+        Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; /* for now, ignore in AcpiDmAscendingOp */
+        Child->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
+        break;
+
     case AML_INT_BYTELIST_OP:
 
         AcpiDmByteList (Info, Op);
diff --git a/usr/src/uts/intel/io/acpica/disassembler/dmresrc.c b/usr/src/uts/intel/io/acpica/disassembler/dmresrc.c
index fe208d5260..9c07bf7e94 100644
--- a/usr/src/uts/intel/io/acpica/disassembler/dmresrc.c
+++ b/usr/src/uts/intel/io/acpica/disassembler/dmresrc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -55,12 +55,6 @@
 
 /* Dispatch tables for Resource disassembly functions */
 
-typedef
-void (*ACPI_RESOURCE_HANDLER) (
-    AML_RESOURCE            *Resource,
-    UINT32                  Length,
-    UINT32                  Level);
-
 static ACPI_RESOURCE_HANDLER    AcpiGbl_DmResourceDispatch [] =
 {
     /* Small descriptors */
@@ -75,7 +69,7 @@ static ACPI_RESOURCE_HANDLER    AcpiGbl_DmResourceDispatch [] =
     AcpiDmEndDependentDescriptor,   /* 0x07, ACPI_RESOURCE_NAME_END_DEPENDENT */
     AcpiDmIoDescriptor,             /* 0x08, ACPI_RESOURCE_NAME_IO_PORT */
     AcpiDmFixedIoDescriptor,        /* 0x09, ACPI_RESOURCE_NAME_FIXED_IO_PORT */
-    NULL,                           /* 0x0A, Reserved */
+    AcpiDmFixedDmaDescriptor,       /* 0x0A, ACPI_RESOURCE_NAME_FIXED_DMA */
     NULL,                           /* 0x0B, Reserved */
     NULL,                           /* 0x0C, Reserved */
     NULL,                           /* 0x0D, Reserved */
@@ -95,7 +89,10 @@ static ACPI_RESOURCE_HANDLER    AcpiGbl_DmResourceDispatch [] =
     AcpiDmWordDescriptor,           /* 0x08, ACPI_RESOURCE_NAME_WORD_ADDRESS_SPACE */
     AcpiDmInterruptDescriptor,      /* 0x09, ACPI_RESOURCE_NAME_EXTENDED_XRUPT */
     AcpiDmQwordDescriptor,          /* 0x0A, ACPI_RESOURCE_NAME_QWORD_ADDRESS_SPACE */
-    AcpiDmExtendedDescriptor        /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS_SPACE */
+    AcpiDmExtendedDescriptor,       /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS_SPACE */
+    AcpiDmGpioDescriptor,           /* 0x0C, ACPI_RESOURCE_NAME_GPIO */
+    NULL,                           /* 0x0D, Reserved */
+    AcpiDmSerialBusDescriptor       /* 0x0E, ACPI_RESOURCE_NAME_SERIAL_BUS */
 };
 
 
diff --git a/usr/src/uts/intel/io/acpica/disassembler/dmresrcl.c b/usr/src/uts/intel/io/acpica/disassembler/dmresrcl.c
index 2284928752..ed78b31c70 100644
--- a/usr/src/uts/intel/io/acpica/disassembler/dmresrcl.c
+++ b/usr/src/uts/intel/io/acpica/disassembler/dmresrcl.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -1050,4 +1050,3 @@ AcpiDmVendorLargeDescriptor (
 }
 
 #endif
-
diff --git a/usr/src/uts/intel/io/acpica/disassembler/dmresrcl2.c b/usr/src/uts/intel/io/acpica/disassembler/dmresrcl2.c
new file mode 100644
index 0000000000..e79307ee72
--- /dev/null
+++ b/usr/src/uts/intel/io/acpica/disassembler/dmresrcl2.c
@@ -0,0 +1,700 @@
+/*******************************************************************************
+ *
+ * Module Name: dmresrcl2.c - "Large" Resource Descriptor disassembly (#2)
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acdisasm.h"
+
+
+#ifdef ACPI_DISASSEMBLER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dbresrcl2")
+
+/* Local prototypes */
+
+static void
+AcpiDmI2cSerialBusDescriptor (
+    AML_RESOURCE            *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+static void
+AcpiDmSpiSerialBusDescriptor (
+    AML_RESOURCE            *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+static void
+AcpiDmUartSerialBusDescriptor (
+    AML_RESOURCE            *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+static void
+AcpiDmGpioCommon (
+    AML_RESOURCE            *Resource,
+    UINT32                  Level);
+
+static void
+AcpiDmDumpRawDataBuffer (
+    UINT8                   *Buffer,
+    UINT32                  Length,
+    UINT32                  Level);
+
+
+/* Dispatch table for the serial bus descriptors */
+
+static ACPI_RESOURCE_HANDLER        SerialBusResourceDispatch [] =
+{
+    NULL,
+    AcpiDmI2cSerialBusDescriptor,
+    AcpiDmSpiSerialBusDescriptor,
+    AcpiDmUartSerialBusDescriptor
+};
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmDumpRawDataBuffer
+ *
+ * PARAMETERS:  Buffer              - Pointer to the data bytes
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump a data buffer as a RawDataBuffer() object. Used for
+ *              vendor data bytes.
+ *
+ ******************************************************************************/
+
+static void
+AcpiDmDumpRawDataBuffer (
+    UINT8                   *Buffer,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+    UINT32                  Index;
+    UINT32                  i;
+    UINT32                  j;
+
+
+    if (!Length)
+    {
+        return;
+    }
+
+    AcpiOsPrintf ("RawDataBuffer (0x%.2X)  // Vendor Data", Length);
+
+    AcpiOsPrintf ("\n");
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("{\n");
+    AcpiDmIndent (Level + 2);
+
+    for (i = 0; i < Length;)
+    {
+        for (j = 0; j < 8; j++)
+        {
+            Index = i + j;
+            if (Index >= Length)
+            {
+                goto Finish;
+            }
+
+            AcpiOsPrintf ("0x%2.2X", Buffer[Index]);
+            if ((Index + 1) >= Length)
+            {
+                goto Finish;
+            }
+
+            AcpiOsPrintf (", ");
+        }
+        AcpiOsPrintf ("\n");
+        AcpiDmIndent (Level + 2);
+
+        i += 8;
+    }
+
+Finish:
+    AcpiOsPrintf ("\n");
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("}");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmGpioCommon
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode common parts of a GPIO Interrupt descriptor
+ *
+ ******************************************************************************/
+
+static void
+AcpiDmGpioCommon (
+    AML_RESOURCE            *Resource,
+    UINT32                  Level)
+{
+    UINT32                  PinCount;
+    UINT16                  *PinList;
+    UINT8                   *VendorData;
+    UINT32                  i;
+
+
+    /* ResourceSource, ResourceSourceIndex, ResourceType */
+
+    AcpiDmIndent (Level + 1);
+    if (Resource->Gpio.ResSourceOffset)
+    {
+        AcpiUtPrintString (
+            ACPI_ADD_PTR (char, Resource, Resource->Gpio.ResSourceOffset),
+            ACPI_UINT8_MAX);
+    }
+
+    AcpiOsPrintf (", ");
+    AcpiOsPrintf ("0x%2.2X, ", Resource->Gpio.ResSourceIndex);
+    AcpiOsPrintf ("%s, ",
+        AcpiGbl_ConsumeDecode [(Resource->Gpio.Flags & 1)]);
+
+    /* Insert a descriptor name */
+
+    AcpiDmDescriptorName ();
+    AcpiOsPrintf (",");
+
+    /* Dump the vendor data */
+
+    if (Resource->Gpio.VendorOffset)
+    {
+        AcpiOsPrintf ("\n");
+        AcpiDmIndent (Level + 1);
+        VendorData = ACPI_ADD_PTR (UINT8, Resource,
+            Resource->Gpio.VendorOffset);
+
+        AcpiDmDumpRawDataBuffer (VendorData,
+            Resource->Gpio.VendorLength, Level);
+    }
+
+    AcpiOsPrintf (")\n");
+
+    /* Dump the interrupt list */
+
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("{   // Pin list\n");
+
+    PinCount = ((UINT32) (Resource->Gpio.ResSourceOffset -
+        Resource->Gpio.PinTableOffset)) /
+        sizeof (UINT16);
+
+    PinList = (UINT16 *) ACPI_ADD_PTR (char, Resource,
+        Resource->Gpio.PinTableOffset);
+
+    for (i = 0; i < PinCount; i++)
+    {
+        AcpiDmIndent (Level + 2);
+        AcpiOsPrintf ("0x%4.4X%s\n", PinList[i], ((i + 1) < PinCount) ? "," : "");
+    }
+
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("}\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmGpioIntDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a GPIO Interrupt descriptor
+ *
+ ******************************************************************************/
+
+static void
+AcpiDmGpioIntDescriptor (
+    AML_RESOURCE            *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    /* Dump the GpioInt-specific portion of the descriptor */
+
+    /* EdgeLevel, ActiveLevel, Shared */
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("GpioInt (%s, %s, %s, ",
+        AcpiGbl_HeDecode [(Resource->Gpio.IntFlags & 1)],
+        AcpiGbl_LlDecode [(Resource->Gpio.IntFlags >> 1) & 1],
+        AcpiGbl_ShrDecode [(Resource->Gpio.IntFlags >> 3) & 1]);
+
+    /* PinConfig, DebounceTimeout */
+
+    if (Resource->Gpio.PinConfig <= 3)
+    {
+        AcpiOsPrintf ("%s, ",
+            AcpiGbl_PpcDecode[Resource->Gpio.PinConfig]);
+    }
+    else
+    {
+        AcpiOsPrintf ("0x%2.2X, ", Resource->Gpio.PinConfig);
+    }
+    AcpiOsPrintf ("0x%4.4X,\n", Resource->Gpio.DebounceTimeout);
+
+    /* Dump the GpioInt/GpioIo common portion of the descriptor */
+
+    AcpiDmGpioCommon (Resource, Level);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmGpioIoDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a GPIO Interrupt descriptor
+ *
+ ******************************************************************************/
+
+static void
+AcpiDmGpioIoDescriptor (
+    AML_RESOURCE            *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    /* Dump the GpioIo-specific portion of the descriptor */
+
+    /* Shared, PinConfig */
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("GpioIo (%s, ",
+        AcpiGbl_ShrDecode [(Resource->Gpio.IntFlags >> 3) & 1]);
+
+    if (Resource->Gpio.PinConfig <= 3)
+    {
+        AcpiOsPrintf ("%s, ",
+            AcpiGbl_PpcDecode[Resource->Gpio.PinConfig]);
+    }
+    else
+    {
+        AcpiOsPrintf ("0x%2.2X, ", Resource->Gpio.PinConfig);
+    }
+
+    /* DebounceTimeout, DriveStrength, IoRestriction */
+
+    AcpiOsPrintf ("0x%4.4X, ", Resource->Gpio.DebounceTimeout);
+    AcpiOsPrintf ("0x%4.4X, ", Resource->Gpio.DriveStrength);
+    AcpiOsPrintf ("%s,\n",
+        AcpiGbl_IorDecode [Resource->Gpio.IntFlags & 3]);
+
+    /* Dump the GpioInt/GpioIo common portion of the descriptor */
+
+    AcpiDmGpioCommon (Resource, Level);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmGpioDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a GpioInt/GpioIo GPIO Interrupt/IO descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmGpioDescriptor (
+    AML_RESOURCE            *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+    UINT8                   ConnectionType;
+
+
+    ConnectionType = Resource->Gpio.ConnectionType;
+
+    switch (ConnectionType)
+    {
+    case AML_RESOURCE_GPIO_TYPE_INT:
+        AcpiDmGpioIntDescriptor (Resource, Length, Level);
+        break;
+
+    case AML_RESOURCE_GPIO_TYPE_IO:
+        AcpiDmGpioIoDescriptor (Resource, Length, Level);
+        break;
+
+    default:
+        AcpiOsPrintf ("Unknown GPIO type\n");
+        break;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmDumpSerialBusVendorData
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump optional serial bus vendor data
+ *
+ ******************************************************************************/
+
+static void
+AcpiDmDumpSerialBusVendorData (
+    AML_RESOURCE            *Resource,
+    UINT32                  Level)
+{
+    UINT8                   *VendorData;
+    UINT32                  VendorLength;
+
+
+    /* Get the (optional) vendor data and length */
+
+    switch (Resource->CommonSerialBus.Type)
+    {
+    case AML_RESOURCE_I2C_SERIALBUSTYPE:
+
+        VendorLength = Resource->CommonSerialBus.TypeDataLength -
+            AML_RESOURCE_I2C_MIN_DATA_LEN;
+
+        VendorData = ACPI_ADD_PTR (UINT8, Resource,
+            sizeof (AML_RESOURCE_I2C_SERIALBUS));
+        break;
+
+    case AML_RESOURCE_SPI_SERIALBUSTYPE:
+
+        VendorLength = Resource->CommonSerialBus.TypeDataLength -
+            AML_RESOURCE_SPI_MIN_DATA_LEN;
+
+        VendorData = ACPI_ADD_PTR (UINT8, Resource,
+            sizeof (AML_RESOURCE_SPI_SERIALBUS));
+        break;
+
+    case AML_RESOURCE_UART_SERIALBUSTYPE:
+
+        VendorLength = Resource->CommonSerialBus.TypeDataLength -
+            AML_RESOURCE_UART_MIN_DATA_LEN;
+
+        VendorData = ACPI_ADD_PTR (UINT8, Resource,
+            sizeof (AML_RESOURCE_UART_SERIALBUS));
+        break;
+
+    default:
+        return;
+    }
+
+    /* Dump the vendor bytes as a RawDataBuffer object */
+
+    AcpiDmDumpRawDataBuffer (VendorData, VendorLength, Level);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmI2cSerialBusDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a I2C serial bus descriptor
+ *
+ ******************************************************************************/
+
+static void
+AcpiDmI2cSerialBusDescriptor (
+    AML_RESOURCE            *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+    UINT32                  ResourceSourceOffset;
+
+
+    /* SlaveAddress, SlaveMode, ConnectionSpeed, AddressingMode */
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("I2cSerialBus (0x%4.4X, %s, 0x%8.8X,\n",
+        Resource->I2cSerialBus.SlaveAddress,
+        AcpiGbl_SmDecode [(Resource->I2cSerialBus.Flags & 1)],
+        Resource->I2cSerialBus.ConnectionSpeed);
+
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("%s, ",
+        AcpiGbl_AmDecode [(Resource->I2cSerialBus.TypeSpecificFlags & 1)]);
+
+    /* ResourceSource is a required field */
+
+    ResourceSourceOffset = sizeof (AML_RESOURCE_COMMON_SERIALBUS) +
+        Resource->CommonSerialBus.TypeDataLength;
+
+    AcpiUtPrintString (
+        ACPI_ADD_PTR (char, Resource, ResourceSourceOffset),
+        ACPI_UINT8_MAX);
+
+    /* ResourceSourceIndex, ResourceUsage */
+
+    AcpiOsPrintf (",\n");
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%2.2X, ", Resource->I2cSerialBus.ResSourceIndex);
+
+    AcpiOsPrintf ("%s, ",
+        AcpiGbl_ConsumeDecode [(Resource->I2cSerialBus.Flags >> 1) & 1]);
+
+    /* Insert a descriptor name */
+
+    AcpiDmDescriptorName ();
+    AcpiOsPrintf (",\n");
+
+    /* Dump the vendor data */
+
+    AcpiDmIndent (Level + 1);
+    AcpiDmDumpSerialBusVendorData (Resource, Level);
+    AcpiOsPrintf (")\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmSpiSerialBusDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a SPI serial bus descriptor
+ *
+ ******************************************************************************/
+
+static void
+AcpiDmSpiSerialBusDescriptor (
+    AML_RESOURCE            *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+    UINT32                  ResourceSourceOffset;
+
+
+    /* DeviceSelection, DeviceSelectionPolarity, WireMode, DataBitLength */
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("SpiSerialBus (0x%4.4X, %s, %s, 0x%2.2X,\n",
+        Resource->SpiSerialBus.DeviceSelection,
+        AcpiGbl_DpDecode [(Resource->SpiSerialBus.TypeSpecificFlags >> 1) & 1],
+        AcpiGbl_WmDecode [(Resource->SpiSerialBus.TypeSpecificFlags & 1)],
+        Resource->SpiSerialBus.DataBitLength);
+
+    /* SlaveMode, ConnectionSpeed, ClockPolarity, ClockPhase */
+
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("%s, 0x%8.8X, %s,\n",
+        AcpiGbl_SmDecode [(Resource->SpiSerialBus.Flags & 1)],
+        Resource->SpiSerialBus.ConnectionSpeed,
+        AcpiGbl_CpoDecode [(Resource->SpiSerialBus.ClockPolarity & 1)]);
+
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("%s, ",
+        AcpiGbl_CphDecode [(Resource->SpiSerialBus.ClockPhase & 1)]);
+
+    /* ResourceSource is a required field */
+
+    ResourceSourceOffset = sizeof (AML_RESOURCE_COMMON_SERIALBUS) +
+        Resource->CommonSerialBus.TypeDataLength;
+
+    AcpiUtPrintString (
+        ACPI_ADD_PTR (char, Resource, ResourceSourceOffset),
+        ACPI_UINT8_MAX);
+
+    /* ResourceSourceIndex, ResourceUsage */
+
+    AcpiOsPrintf (",\n");
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%2.2X, ", Resource->SpiSerialBus.ResSourceIndex);
+
+    AcpiOsPrintf ("%s, ",
+        AcpiGbl_ConsumeDecode [(Resource->SpiSerialBus.Flags >> 1) & 1]);
+
+    /* Insert a descriptor name */
+
+    AcpiDmDescriptorName ();
+    AcpiOsPrintf (",\n");
+
+    /* Dump the vendor data */
+
+    AcpiDmIndent (Level + 1);
+    AcpiDmDumpSerialBusVendorData (Resource, Level);
+    AcpiOsPrintf (")\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmUartSerialBusDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a UART serial bus descriptor
+ *
+ ******************************************************************************/
+
+static void
+AcpiDmUartSerialBusDescriptor (
+    AML_RESOURCE            *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+    UINT32                  ResourceSourceOffset;
+
+
+    /* ConnectionSpeed, BitsPerByte, StopBits */
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("UartSerialBus (0x%8.8X, %s, %s,\n",
+        Resource->UartSerialBus.DefaultBaudRate,
+        AcpiGbl_BpbDecode [(Resource->UartSerialBus.TypeSpecificFlags >> 4) & 3],
+        AcpiGbl_SbDecode [(Resource->UartSerialBus.TypeSpecificFlags >> 2) & 3]);
+
+    /* LinesInUse, IsBigEndian, Parity, FlowControl */
+
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%2.2X, %s, %s, %s,\n",
+        Resource->UartSerialBus.LinesEnabled,
+        AcpiGbl_EdDecode [(Resource->UartSerialBus.TypeSpecificFlags >> 7) & 1],
+        AcpiGbl_PtDecode [Resource->UartSerialBus.Parity & 7],
+        AcpiGbl_FcDecode [Resource->UartSerialBus.TypeSpecificFlags & 3]);
+
+    /* ReceiveBufferSize, TransmitBufferSize */
+
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%4.4X, 0x%4.4X, ",
+        Resource->UartSerialBus.RxFifoSize,
+        Resource->UartSerialBus.TxFifoSize);
+
+    /* ResourceSource is a required field */
+
+    ResourceSourceOffset = sizeof (AML_RESOURCE_COMMON_SERIALBUS) +
+        Resource->CommonSerialBus.TypeDataLength;
+
+    AcpiUtPrintString (
+        ACPI_ADD_PTR (char, Resource, ResourceSourceOffset),
+        ACPI_UINT8_MAX);
+
+    /* ResourceSourceIndex, ResourceUsage */
+
+    AcpiOsPrintf (",\n");
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%2.2X, ", Resource->UartSerialBus.ResSourceIndex);
+
+    AcpiOsPrintf ("%s, ",
+        AcpiGbl_ConsumeDecode [(Resource->UartSerialBus.Flags >> 1) & 1]);
+
+    /* Insert a descriptor name */
+
+    AcpiDmDescriptorName ();
+    AcpiOsPrintf (",\n");
+
+    /* Dump the vendor data */
+
+    AcpiDmIndent (Level + 1);
+    AcpiDmDumpSerialBusVendorData (Resource, Level);
+    AcpiOsPrintf (")\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmSerialBusDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a I2C/SPI/UART serial bus descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmSerialBusDescriptor (
+    AML_RESOURCE            *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    SerialBusResourceDispatch [Resource->CommonSerialBus.Type] (
+        Resource, Length, Level);
+}
+
+#endif
+
diff --git a/usr/src/uts/intel/io/acpica/disassembler/dmresrcs.c b/usr/src/uts/intel/io/acpica/disassembler/dmresrcs.c
index 52b0fa3ea3..32759d991b 100644
--- a/usr/src/uts/intel/io/acpica/disassembler/dmresrcs.c
+++ b/usr/src/uts/intel/io/acpica/disassembler/dmresrcs.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -121,9 +121,9 @@ AcpiDmDmaDescriptor (
 
     AcpiDmIndent (Level);
     AcpiOsPrintf ("DMA (%s, %s, %s, ",
-            AcpiGbl_TypDecode [(Resource->Dma.Flags >> 5) & 3],
-            AcpiGbl_BmDecode  [(Resource->Dma.Flags >> 2) & 1],
-            AcpiGbl_SizDecode [(Resource->Dma.Flags >> 0) & 3]);
+        AcpiGbl_TypDecode [(Resource->Dma.Flags >> 5) & 3],
+        AcpiGbl_BmDecode  [(Resource->Dma.Flags >> 2) & 1],
+        AcpiGbl_SizDecode [(Resource->Dma.Flags >> 0) & 3]);
 
     /* Insert a descriptor name */
 
@@ -137,6 +137,49 @@ AcpiDmDmaDescriptor (
 
 /*******************************************************************************
  *
+ * FUNCTION:    AcpiDmFixedDmaDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a FixedDMA descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmFixedDmaDescriptor (
+    AML_RESOURCE            *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("FixedDMA (0x%4.4X, 0x%4.4X, ",
+        Resource->FixedDma.RequestLines,
+        Resource->FixedDma.Channels);
+
+    if (Resource->FixedDma.Width <= 5)
+    {
+        AcpiOsPrintf ("%s, ",
+            AcpiGbl_DtsDecode [Resource->FixedDma.Width]);
+    }
+    else
+    {
+        AcpiOsPrintf ("%X /* INVALID DMA WIDTH */, ", Resource->FixedDma.Width);
+    }
+
+    /* Insert a descriptor name */
+
+    AcpiDmDescriptorName ();
+    AcpiOsPrintf (")\n");
+}
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    AcpiDmIoDescriptor
  *
  * PARAMETERS:  Resource            - Pointer to the resource descriptor
diff --git a/usr/src/uts/intel/io/acpica/disassembler/dmutils.c b/usr/src/uts/intel/io/acpica/disassembler/dmutils.c
index b3db9312d5..ce3443ec3f 100644
--- a/usr/src/uts/intel/io/acpica/disassembler/dmutils.c
+++ b/usr/src/uts/intel/io/acpica/disassembler/dmutils.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -135,7 +135,8 @@ const char                      *AcpiGbl_IrqDecode[] =
  *
  * RETURN:      None
  *
- * DESCRIPTION: Decode the AccessAs attribute byte.  (Mostly SMBus stuff)
+ * DESCRIPTION: Decode the AccessAs attribute byte. (Mostly SMBus and
+ *              GenericSerialBus stuff.)
  *
  ******************************************************************************/
 
@@ -146,44 +147,61 @@ AcpiDmDecodeAttribute (
 
     switch (Attribute)
     {
-    case AML_FIELD_ATTRIB_SMB_QUICK:
+    case AML_FIELD_ATTRIB_QUICK:
 
-        AcpiOsPrintf ("SMBQuick");
+        AcpiOsPrintf ("AttribQuick");
         break;
 
-    case AML_FIELD_ATTRIB_SMB_SEND_RCV:
+    case AML_FIELD_ATTRIB_SEND_RCV:
 
-        AcpiOsPrintf ("SMBSendReceive");
+        AcpiOsPrintf ("AttribSendReceive");
         break;
 
-    case AML_FIELD_ATTRIB_SMB_BYTE:
+    case AML_FIELD_ATTRIB_BYTE:
 
-        AcpiOsPrintf ("SMBByte");
+        AcpiOsPrintf ("AttribByte");
         break;
 
-    case AML_FIELD_ATTRIB_SMB_WORD:
+    case AML_FIELD_ATTRIB_WORD:
 
-        AcpiOsPrintf ("SMBWord");
+        AcpiOsPrintf ("AttribWord");
         break;
 
-    case AML_FIELD_ATTRIB_SMB_WORD_CALL:
+    case AML_FIELD_ATTRIB_BLOCK:
 
-        AcpiOsPrintf ("SMBProcessCall");
+        AcpiOsPrintf ("AttribBlock");
         break;
 
-    case AML_FIELD_ATTRIB_SMB_BLOCK:
+    case AML_FIELD_ATTRIB_MULTIBYTE:
 
-        AcpiOsPrintf ("SMBBlock");
+        AcpiOsPrintf ("AttribBytes");
         break;
 
-    case AML_FIELD_ATTRIB_SMB_BLOCK_CALL:
+    case AML_FIELD_ATTRIB_WORD_CALL:
 
-        AcpiOsPrintf ("SMBBlockProcessCall");
+        AcpiOsPrintf ("AttribProcessCall");
+        break;
+
+    case AML_FIELD_ATTRIB_BLOCK_CALL:
+
+        AcpiOsPrintf ("AttribBlockProcessCall");
+        break;
+
+    case AML_FIELD_ATTRIB_RAW_BYTES:
+
+        AcpiOsPrintf ("AttribRawBytes");
+        break;
+
+    case AML_FIELD_ATTRIB_RAW_PROCESS:
+
+        AcpiOsPrintf ("AttribRawProcessBytes");
         break;
 
     default:
 
-        AcpiOsPrintf ("0x%.2X", Attribute);
+        /* A ByteConst is allowed by the grammar */
+
+        AcpiOsPrintf ("0x%2.2X", Attribute);
         break;
     }
 }
diff --git a/usr/src/uts/intel/io/acpica/disassembler/dmwalk.c b/usr/src/uts/intel/io/acpica/disassembler/dmwalk.c
index 2a4b5e545f..dd3ee00255 100644
--- a/usr/src/uts/intel/io/acpica/disassembler/dmwalk.c
+++ b/usr/src/uts/intel/io/acpica/disassembler/dmwalk.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -464,7 +464,8 @@ AcpiDmDescendingOp (
 
     AcpiDmDisassembleOneOp (NULL, Info, Op);
 
-    if (Op->Common.DisasmOpcode == ACPI_DASM_LNOT_PREFIX)
+    if ((Op->Common.DisasmOpcode == ACPI_DASM_LNOT_PREFIX) ||
+        (Op->Common.AmlOpcode == AML_INT_CONNECTION_OP))
     {
         return (AE_OK);
     }
diff --git a/usr/src/uts/intel/io/acpica/dispatcher/dsargs.c b/usr/src/uts/intel/io/acpica/dispatcher/dsargs.c
index 87def86051..ea0d7bee88 100644
--- a/usr/src/uts/intel/io/acpica/dispatcher/dsargs.c
+++ b/usr/src/uts/intel/io/acpica/dispatcher/dsargs.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -424,7 +424,15 @@ AcpiDsGetRegionArguments (
 
     /* Execute the argument AML */
 
-    Status = AcpiDsExecuteArguments (Node, Node->Parent,
+    Status = AcpiDsExecuteArguments (Node, ExtraDesc->Extra.ScopeNode,
                 ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiUtAddAddressRange (ObjDesc->Region.SpaceId,
+                 ObjDesc->Region.Address, ObjDesc->Region.Length,
+                 Node);
     return_ACPI_STATUS (Status);
 }
diff --git a/usr/src/uts/intel/io/acpica/dispatcher/dscontrol.c b/usr/src/uts/intel/io/acpica/dispatcher/dscontrol.c
index 41a44951c2..5c5c51a573 100644
--- a/usr/src/uts/intel/io/acpica/dispatcher/dscontrol.c
+++ b/usr/src/uts/intel/io/acpica/dispatcher/dscontrol.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/dispatcher/dsfield.c b/usr/src/uts/intel/io/acpica/dispatcher/dsfield.c
index 886b6c24c5..1c3c523720 100644
--- a/usr/src/uts/intel/io/acpica/dispatcher/dsfield.c
+++ b/usr/src/uts/intel/io/acpica/dispatcher/dsfield.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -243,6 +243,7 @@ AcpiDsGetFieldNames (
 {
     ACPI_STATUS             Status;
     UINT64                  Position;
+    ACPI_PARSE_OBJECT       *Child;
 
 
     ACPI_FUNCTION_TRACE_PTR (DsGetFieldNames, Info);
@@ -257,10 +258,11 @@ AcpiDsGetFieldNames (
     while (Arg)
     {
         /*
-         * Three types of field elements are handled:
-         * 1) Offset - specifies a bit offset
-         * 2) AccessAs - changes the access mode
-         * 3) Name - Enters a new named field into the namespace
+         * Four types of field elements are handled:
+         * 1) Name - Enters a new named field into the namespace
+         * 2) Offset - specifies a bit offset
+         * 3) AccessAs - changes the access mode/attributes
+         * 4) Connection - Associate a resource template with the field
          */
         switch (Arg->Common.AmlOpcode)
         {
@@ -279,24 +281,67 @@ AcpiDsGetFieldNames (
             Info->FieldBitPosition = (UINT32) Position;
             break;
 
-
         case AML_INT_ACCESSFIELD_OP:
-
+        case AML_INT_EXTACCESSFIELD_OP:
             /*
-             * Get a new AccessType and AccessAttribute -- to be used for all
-             * field units that follow, until field end or another AccessAs
-             * keyword.
+             * Get new AccessType, AccessAttribute, and AccessLength fields
+             * -- to be used for all field units that follow, until the
+             * end-of-field or another AccessAs keyword is encountered.
+             * NOTE. These three bytes are encoded in the integer value
+             * of the parseop for convenience.
              *
              * In FieldFlags, preserve the flag bits other than the
-             * ACCESS_TYPE bits
+             * ACCESS_TYPE bits.
              */
+
+            /* AccessType (ByteAcc, WordAcc, etc.) */
+
             Info->FieldFlags = (UINT8)
                 ((Info->FieldFlags & ~(AML_FIELD_ACCESS_TYPE_MASK)) |
-                ((UINT8) ((UINT32) Arg->Common.Value.Integer >> 8)));
+                ((UINT8) ((UINT32) (Arg->Common.Value.Integer & 0x07))));
+
+            /* AccessAttribute (AttribQuick, AttribByte, etc.) */
+
+            Info->Attribute = (UINT8) ((Arg->Common.Value.Integer >> 8) & 0xFF);
+
+            /* AccessLength (for serial/buffer protocols) */
 
-            Info->Attribute = (UINT8) (Arg->Common.Value.Integer);
+            Info->AccessLength = (UINT8) ((Arg->Common.Value.Integer >> 16) & 0xFF);
             break;
 
+        case AML_INT_CONNECTION_OP:
+            /*
+             * Clear any previous connection. New connection is used for all
+             * fields that follow, similar to AccessAs
+             */
+            Info->ResourceBuffer = NULL;
+            Info->ConnectionNode = NULL;
+
+            /*
+             * A Connection() is either an actual resource descriptor (buffer)
+             * or a named reference to a resource template
+             */
+            Child = Arg->Common.Value.Arg;
+            if (Child->Common.AmlOpcode == AML_INT_BYTELIST_OP)
+            {
+                Info->ResourceBuffer = Child->Named.Data;
+                Info->ResourceLength = (UINT16) Child->Named.Value.Integer;
+            }
+            else
+            {
+                /* Lookup the Connection() namepath, it should already exist */
+
+                Status = AcpiNsLookup (WalkState->ScopeInfo,
+                            Child->Common.Value.Name, ACPI_TYPE_ANY,
+                            ACPI_IMODE_EXECUTE, ACPI_NS_DONT_OPEN_SCOPE,
+                            WalkState, &Info->ConnectionNode);
+                if (ACPI_FAILURE (Status))
+                {
+                    ACPI_ERROR_NAMESPACE (Child->Common.Value.Name, Status);
+                    return_ACPI_STATUS (Status);
+                }
+            }
+            break;
 
         case AML_INT_NAMEDFIELD_OP:
 
@@ -348,7 +393,6 @@ AcpiDsGetFieldNames (
             Info->FieldBitPosition += Info->FieldBitLength;
             break;
 
-
         default:
 
             ACPI_ERROR ((AE_INFO,
@@ -406,6 +450,8 @@ AcpiDsCreateField (
         }
     }
 
+    ACPI_MEMSET (&Info, 0, sizeof (ACPI_CREATE_FIELD_INFO));
+
     /* Second arg is the field flags */
 
     Arg = Arg->Common.Next;
@@ -418,7 +464,6 @@ AcpiDsCreateField (
     Info.RegionNode = RegionNode;
 
     Status = AcpiDsGetFieldNames (&Info, WalkState, Arg->Common.Next);
-
     return_ACPI_STATUS (Status);
 }
 
@@ -514,8 +559,8 @@ AcpiDsInitFieldObjects (
     while (Arg)
     {
         /*
-         * Ignore OFFSET and ACCESSAS terms here; we are only interested in the
-         * field names in order to enter them into the namespace.
+         * Ignore OFFSET/ACCESSAS/CONNECTION terms here; we are only interested
+         * in the field names in order to enter them into the namespace.
          */
         if (Arg->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP)
         {
@@ -697,7 +742,6 @@ AcpiDsCreateIndexField (
     Info.RegionNode = RegionNode;
 
     Status = AcpiDsGetFieldNames (&Info, WalkState, Arg->Common.Next);
-
     return_ACPI_STATUS (Status);
 }
 
diff --git a/usr/src/uts/intel/io/acpica/dispatcher/dsinit.c b/usr/src/uts/intel/io/acpica/dispatcher/dsinit.c
index 154e5de34f..1c7ad88492 100644
--- a/usr/src/uts/intel/io/acpica/dispatcher/dsinit.c
+++ b/usr/src/uts/intel/io/acpica/dispatcher/dsinit.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/dispatcher/dsmethod.c b/usr/src/uts/intel/io/acpica/dispatcher/dsmethod.c
index 1cfa1c6853..670382ac9b 100644
--- a/usr/src/uts/intel/io/acpica/dispatcher/dsmethod.c
+++ b/usr/src/uts/intel/io/acpica/dispatcher/dsmethod.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/dispatcher/dsmthdat.c b/usr/src/uts/intel/io/acpica/dispatcher/dsmthdat.c
index 74ee4bdf31..b4509e7710 100644
--- a/usr/src/uts/intel/io/acpica/dispatcher/dsmthdat.c
+++ b/usr/src/uts/intel/io/acpica/dispatcher/dsmthdat.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/dispatcher/dsobject.c b/usr/src/uts/intel/io/acpica/dispatcher/dsobject.c
index 69888505c6..b3567766a2 100644
--- a/usr/src/uts/intel/io/acpica/dispatcher/dsobject.c
+++ b/usr/src/uts/intel/io/acpica/dispatcher/dsobject.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/dispatcher/dsopcode.c b/usr/src/uts/intel/io/acpica/dispatcher/dsopcode.c
index 45fbed1e62..7569236f2e 100644
--- a/usr/src/uts/intel/io/acpica/dispatcher/dsopcode.c
+++ b/usr/src/uts/intel/io/acpica/dispatcher/dsopcode.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/dispatcher/dsutils.c b/usr/src/uts/intel/io/acpica/dispatcher/dsutils.c
index 278009795c..66431aad53 100644
--- a/usr/src/uts/intel/io/acpica/dispatcher/dsutils.c
+++ b/usr/src/uts/intel/io/acpica/dispatcher/dsutils.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/dispatcher/dswexec.c b/usr/src/uts/intel/io/acpica/dispatcher/dswexec.c
index 7983787958..5732855bbe 100644
--- a/usr/src/uts/intel/io/acpica/dispatcher/dswexec.c
+++ b/usr/src/uts/intel/io/acpica/dispatcher/dswexec.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/dispatcher/dswload.c b/usr/src/uts/intel/io/acpica/dispatcher/dswload.c
index d8e77a6538..d40f911f41 100644
--- a/usr/src/uts/intel/io/acpica/dispatcher/dswload.c
+++ b/usr/src/uts/intel/io/acpica/dispatcher/dswload.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/dispatcher/dswload2.c b/usr/src/uts/intel/io/acpica/dispatcher/dswload2.c
index 608d525b36..27e3176209 100644
--- a/usr/src/uts/intel/io/acpica/dispatcher/dswload2.c
+++ b/usr/src/uts/intel/io/acpica/dispatcher/dswload2.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/dispatcher/dswscope.c b/usr/src/uts/intel/io/acpica/dispatcher/dswscope.c
index 9842b85b21..a59fdc9dca 100644
--- a/usr/src/uts/intel/io/acpica/dispatcher/dswscope.c
+++ b/usr/src/uts/intel/io/acpica/dispatcher/dswscope.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/dispatcher/dswstate.c b/usr/src/uts/intel/io/acpica/dispatcher/dswstate.c
index f97ccadb60..dd11a18130 100644
--- a/usr/src/uts/intel/io/acpica/dispatcher/dswstate.c
+++ b/usr/src/uts/intel/io/acpica/dispatcher/dswstate.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/events/evevent.c b/usr/src/uts/intel/io/acpica/events/evevent.c
index 0f5785a634..b5a7acde72 100644
--- a/usr/src/uts/intel/io/acpica/events/evevent.c
+++ b/usr/src/uts/intel/io/acpica/events/evevent.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -48,6 +48,8 @@
 #define _COMPONENT          ACPI_EVENTS
         ACPI_MODULE_NAME    ("evevent")
 
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+
 /* Local prototypes */
 
 static ACPI_STATUS
@@ -81,6 +83,13 @@ AcpiEvInitializeEvents (
     ACPI_FUNCTION_TRACE (EvInitializeEvents);
 
 
+    /* If Hardware Reduced flag is set, there are no fixed events */
+
+    if (AcpiGbl_ReducedHardware)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
     /*
      * Initialize the Fixed and General Purpose Events. This is done prior to
      * enabling SCIs to prevent interrupts from occurring before the handlers
@@ -128,6 +137,13 @@ AcpiEvInstallXruptHandlers (
     ACPI_FUNCTION_TRACE (EvInstallXruptHandlers);
 
 
+    /* If Hardware Reduced flag is set, there is no ACPI h/w */
+
+    if (AcpiGbl_ReducedHardware)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
     /* Install the SCI handler */
 
     Status = AcpiEvInstallSciHandler ();
@@ -315,4 +331,6 @@ AcpiEvFixedEventDispatch (
                 AcpiGbl_FixedEventHandlers[Event].Context));
 }
 
+#endif /* !ACPI_REDUCED_HARDWARE */
+
 
diff --git a/usr/src/uts/intel/io/acpica/events/evglock.c b/usr/src/uts/intel/io/acpica/events/evglock.c
index cab444d06d..f40d129508 100644
--- a/usr/src/uts/intel/io/acpica/events/evglock.c
+++ b/usr/src/uts/intel/io/acpica/events/evglock.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,6 +49,7 @@
 #define _COMPONENT          ACPI_EVENTS
         ACPI_MODULE_NAME    ("evglock")
 
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
 
 /* Local prototypes */
 
@@ -79,6 +80,13 @@ AcpiEvInitGlobalLockHandler (
     ACPI_FUNCTION_TRACE (EvInitGlobalLockHandler);
 
 
+    /* If Hardware Reduced flag is set, there is no global lock */
+
+    if (AcpiGbl_ReducedHardware)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
     /* Attempt installation of the global lock handler */
 
     Status = AcpiInstallFixedEventHandler (ACPI_EVENT_GLOBAL,
@@ -365,3 +373,5 @@ AcpiEvReleaseGlobalLock (
     AcpiOsReleaseMutex (AcpiGbl_GlobalLockMutex->Mutex.OsMutex);
     return_ACPI_STATUS (Status);
 }
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/usr/src/uts/intel/io/acpica/events/evgpe.c b/usr/src/uts/intel/io/acpica/events/evgpe.c
index c4326c721b..a3781a55c6 100644
--- a/usr/src/uts/intel/io/acpica/events/evgpe.c
+++ b/usr/src/uts/intel/io/acpica/events/evgpe.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,6 +49,8 @@
 #define _COMPONENT          ACPI_EVENTS
         ACPI_MODULE_NAME    ("evgpe")
 
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+
 /* Local prototypes */
 
 static void ACPI_SYSTEM_XFACE
@@ -826,3 +828,4 @@ AcpiEvGpeDispatch (
     return_UINT32 (ACPI_INTERRUPT_HANDLED);
 }
 
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/usr/src/uts/intel/io/acpica/events/evgpeblk.c b/usr/src/uts/intel/io/acpica/events/evgpeblk.c
index b8b7af254e..c281855c2c 100644
--- a/usr/src/uts/intel/io/acpica/events/evgpeblk.c
+++ b/usr/src/uts/intel/io/acpica/events/evgpeblk.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,6 +49,8 @@
 #define _COMPONENT          ACPI_EVENTS
         ACPI_MODULE_NAME    ("evgpeblk")
 
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+
 /* Local prototypes */
 
 static ACPI_STATUS
@@ -545,3 +547,4 @@ AcpiEvInitializeGpeBlock (
     return_ACPI_STATUS (AE_OK);
 }
 
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/usr/src/uts/intel/io/acpica/events/evgpeinit.c b/usr/src/uts/intel/io/acpica/events/evgpeinit.c
index f1d38ed853..f8962e947f 100644
--- a/usr/src/uts/intel/io/acpica/events/evgpeinit.c
+++ b/usr/src/uts/intel/io/acpica/events/evgpeinit.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -50,6 +50,7 @@
 #define _COMPONENT          ACPI_EVENTS
         ACPI_MODULE_NAME    ("evgpeinit")
 
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
 
 /*
  * Note: History of _PRW support in ACPICA
@@ -457,3 +458,5 @@ AcpiEvMatchGpeMethod (
         Name, GpeNumber));
     return_ACPI_STATUS (AE_OK);
 }
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/usr/src/uts/intel/io/acpica/events/evgpeutil.c b/usr/src/uts/intel/io/acpica/events/evgpeutil.c
index e706fbb7c7..70580cd853 100644
--- a/usr/src/uts/intel/io/acpica/events/evgpeutil.c
+++ b/usr/src/uts/intel/io/acpica/events/evgpeutil.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,7 +41,6 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-
 #include "acpi.h"
 #include "accommon.h"
 #include "acevents.h"
@@ -50,6 +49,7 @@
         ACPI_MODULE_NAME    ("evgpeutil")
 
 
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
 /*******************************************************************************
  *
  * FUNCTION:    AcpiEvWalkGpeList
@@ -422,3 +422,4 @@ AcpiEvDeleteGpeHandlers (
     return_ACPI_STATUS (AE_OK);
 }
 
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/usr/src/uts/intel/io/acpica/events/evmisc.c b/usr/src/uts/intel/io/acpica/events/evmisc.c
index 1667f075db..68f751aca3 100644
--- a/usr/src/uts/intel/io/acpica/events/evmisc.c
+++ b/usr/src/uts/intel/io/acpica/events/evmisc.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -111,105 +111,82 @@ AcpiEvQueueNotifyRequest (
     UINT32                  NotifyValue)
 {
     ACPI_OPERAND_OBJECT     *ObjDesc;
-    ACPI_OPERAND_OBJECT     *HandlerObj = NULL;
-    ACPI_GENERIC_STATE      *NotifyInfo;
+    ACPI_OPERAND_OBJECT     *HandlerListHead = NULL;
+    ACPI_GENERIC_STATE      *Info;
+    UINT8                   HandlerListId = 0;
     ACPI_STATUS             Status = AE_OK;
 
 
     ACPI_FUNCTION_NAME (EvQueueNotifyRequest);
 
 
-    /*
-     * For value 3 (Ejection Request), some device method may need to be run.
-     * For value 2 (Device Wake) if _PRW exists, the _PS0 method may need
-     *   to be run.
-     * For value 0x80 (Status Change) on the power button or sleep button,
-     *   initiate soft-off or sleep operation?
-     */
-    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
-        "Dispatching Notify on [%4.4s] Node %p Value 0x%2.2X (%s)\n",
-        AcpiUtGetNodeName (Node), Node, NotifyValue,
-        AcpiUtGetNotifyName (NotifyValue)));
-
-    /* Get the notify object attached to the NS Node */
+    /* Are Notifies allowed on this object? */
 
-    ObjDesc = AcpiNsGetAttachedObject (Node);
-    if (ObjDesc)
+    if (!AcpiEvIsNotifyObject (Node))
     {
-        /* We have the notify object, Get the right handler */
-
-        switch (Node->Type)
-        {
-        /* Notify allowed only on these types */
+        return (AE_TYPE);
+    }
 
-        case ACPI_TYPE_DEVICE:
-        case ACPI_TYPE_THERMAL:
-        case ACPI_TYPE_PROCESSOR:
+    /* Get the correct notify list type (System or Device) */
 
-            if (NotifyValue <= ACPI_MAX_SYS_NOTIFY)
-            {
-                HandlerObj = ObjDesc->CommonNotify.SystemNotify;
-            }
-            else
-            {
-                HandlerObj = ObjDesc->CommonNotify.DeviceNotify;
-            }
-            break;
+    if (NotifyValue <= ACPI_MAX_SYS_NOTIFY)
+    {
+        HandlerListId = ACPI_SYSTEM_HANDLER_LIST;
+    }
+    else
+    {
+        HandlerListId = ACPI_DEVICE_HANDLER_LIST;
+    }
 
-        default:
+    /* Get the notify object attached to the namespace Node */
 
-            /* All other types are not supported */
+    ObjDesc = AcpiNsGetAttachedObject (Node);
+    if (ObjDesc)
+    {
+        /* We have an attached object, Get the correct handler list */
 
-            return (AE_TYPE);
-        }
+        HandlerListHead = ObjDesc->CommonNotify.NotifyList[HandlerListId];
     }
 
     /*
-     * If there is any handler to run, schedule the dispatcher.
-     * Check for:
-     * 1) Global system notify handler
-     * 2) Global device notify handler
-     * 3) Per-device notify handler
+     * If there is no notify handler (Global or Local)
+     * for this object, just ignore the notify
      */
-    if ((AcpiGbl_SystemNotify.Handler &&
-            (NotifyValue <= ACPI_MAX_SYS_NOTIFY)) ||
-        (AcpiGbl_DeviceNotify.Handler &&
-            (NotifyValue > ACPI_MAX_SYS_NOTIFY))  ||
-        HandlerObj)
+    if (!AcpiGbl_GlobalNotify[HandlerListId].Handler && !HandlerListHead)
     {
-        NotifyInfo = AcpiUtCreateGenericState ();
-        if (!NotifyInfo)
-        {
-            return (AE_NO_MEMORY);
-        }
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+            "No notify handler for Notify, ignoring (%4.4s, %X) node %p\n",
+            AcpiUtGetNodeName (Node), NotifyValue, Node));
 
-        if (!HandlerObj)
-        {
-            ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
-                "Executing system notify handler for Notify (%4.4s, %X) "
-                "node %p\n",
-                AcpiUtGetNodeName (Node), NotifyValue, Node));
-        }
+        return (AE_OK);
+    }
 
-        NotifyInfo->Common.DescriptorType = ACPI_DESC_TYPE_STATE_NOTIFY;
-        NotifyInfo->Notify.Node = Node;
-        NotifyInfo->Notify.Value = (UINT16) NotifyValue;
-        NotifyInfo->Notify.HandlerObj = HandlerObj;
+    /* Setup notify info and schedule the notify dispatcher */
 
-        Status = AcpiOsExecute (
-                    OSL_NOTIFY_HANDLER, AcpiEvNotifyDispatch, NotifyInfo);
-        if (ACPI_FAILURE (Status))
-        {
-            AcpiUtDeleteGenericState (NotifyInfo);
-        }
-    }
-    else
+    Info = AcpiUtCreateGenericState ();
+    if (!Info)
     {
-        /* There is no notify handler (per-device or system) for this device */
+        return (AE_NO_MEMORY);
+    }
 
-        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
-            "No notify handler for Notify (%4.4s, %X) node %p\n",
-            AcpiUtGetNodeName (Node), NotifyValue, Node));
+    Info->Common.DescriptorType = ACPI_DESC_TYPE_STATE_NOTIFY;
+
+    Info->Notify.Node = Node;
+    Info->Notify.Value = (UINT16) NotifyValue;
+    Info->Notify.HandlerListId = HandlerListId;
+    Info->Notify.HandlerListHead = HandlerListHead;
+    Info->Notify.Global = &AcpiGbl_GlobalNotify[HandlerListId];
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+        "Dispatching Notify on [%4.4s] (%s) Value 0x%2.2X (%s) Node %p\n",
+        AcpiUtGetNodeName (Node), AcpiUtGetTypeName (Node->Type),
+        NotifyValue, AcpiUtGetNotifyName (NotifyValue), Node));
+
+    Status = AcpiOsExecute (OSL_NOTIFY_HANDLER, AcpiEvNotifyDispatch,
+        Info);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiUtDeleteGenericState (Info);
     }
 
     return (Status);
@@ -233,64 +210,41 @@ static void ACPI_SYSTEM_XFACE
 AcpiEvNotifyDispatch (
     void                    *Context)
 {
-    ACPI_GENERIC_STATE      *NotifyInfo = (ACPI_GENERIC_STATE *) Context;
-    ACPI_NOTIFY_HANDLER     GlobalHandler = NULL;
-    void                    *GlobalContext = NULL;
+    ACPI_GENERIC_STATE      *Info = (ACPI_GENERIC_STATE *) Context;
     ACPI_OPERAND_OBJECT     *HandlerObj;
 
 
     ACPI_FUNCTION_ENTRY ();
 
 
-    /*
-     * We will invoke a global notify handler if installed. This is done
-     * _before_ we invoke the per-device handler attached to the device.
-     */
-    if (NotifyInfo->Notify.Value <= ACPI_MAX_SYS_NOTIFY)
-    {
-        /* Global system notification handler */
-
-        if (AcpiGbl_SystemNotify.Handler)
-        {
-            GlobalHandler = AcpiGbl_SystemNotify.Handler;
-            GlobalContext = AcpiGbl_SystemNotify.Context;
-        }
-    }
-    else
-    {
-        /* Global driver notification handler */
+    /* Invoke a global notify handler if installed */
 
-        if (AcpiGbl_DeviceNotify.Handler)
-        {
-            GlobalHandler = AcpiGbl_DeviceNotify.Handler;
-            GlobalContext = AcpiGbl_DeviceNotify.Context;
-        }
-    }
-
-    /* Invoke the system handler first, if present */
-
-    if (GlobalHandler)
+    if (Info->Notify.Global->Handler)
     {
-        GlobalHandler (NotifyInfo->Notify.Node, NotifyInfo->Notify.Value,
-            GlobalContext);
+        Info->Notify.Global->Handler (Info->Notify.Node,
+            Info->Notify.Value,
+            Info->Notify.Global->Context);
     }
 
-    /* Now invoke the per-device handler, if present */
+    /* Now invoke the local notify handler(s) if any are installed */
 
-    HandlerObj = NotifyInfo->Notify.HandlerObj;
-    if (HandlerObj)
+    HandlerObj = Info->Notify.HandlerListHead;
+    while (HandlerObj)
     {
-        HandlerObj->Notify.Handler (NotifyInfo->Notify.Node,
-            NotifyInfo->Notify.Value,
+        HandlerObj->Notify.Handler (Info->Notify.Node,
+            Info->Notify.Value,
             HandlerObj->Notify.Context);
+
+        HandlerObj = HandlerObj->Notify.Next[Info->Notify.HandlerListId];
     }
 
     /* All done with the info object */
 
-    AcpiUtDeleteGenericState (NotifyInfo);
+    AcpiUtDeleteGenericState (Info);
 }
 
 
+#if (!ACPI_REDUCED_HARDWARE)
 /******************************************************************************
  *
  * FUNCTION:    AcpiEvTerminate
@@ -370,3 +324,5 @@ AcpiEvTerminate (
     }
     return_VOID;
 }
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/usr/src/uts/intel/io/acpica/events/evregion.c b/usr/src/uts/intel/io/acpica/events/evregion.c
index 193eb07b92..8c1a8ebbae 100644
--- a/usr/src/uts/intel/io/acpica/events/evregion.c
+++ b/usr/src/uts/intel/io/acpica/events/evregion.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -372,6 +372,7 @@ Cleanup1:
  * FUNCTION:    AcpiEvAddressSpaceDispatch
  *
  * PARAMETERS:  RegionObj           - Internal region object
+ *              FieldObj            - Corresponding field. Can be NULL.
  *              Function            - Read or Write operation
  *              RegionOffset        - Where in the region to read or write
  *              BitWidth            - Field width in bits (8, 16, 32, or 64)
@@ -388,6 +389,7 @@ Cleanup1:
 ACPI_STATUS
 AcpiEvAddressSpaceDispatch (
     ACPI_OPERAND_OBJECT     *RegionObj,
+    ACPI_OPERAND_OBJECT     *FieldObj,
     UINT32                  Function,
     UINT32                  RegionOffset,
     UINT32                  BitWidth,
@@ -399,6 +401,7 @@ AcpiEvAddressSpaceDispatch (
     ACPI_OPERAND_OBJECT     *HandlerDesc;
     ACPI_OPERAND_OBJECT     *RegionObj2;
     void                    *RegionContext = NULL;
+    ACPI_CONNECTION_INFO    *Context;
 
 
     ACPI_FUNCTION_TRACE (EvAddressSpaceDispatch);
@@ -423,6 +426,8 @@ AcpiEvAddressSpaceDispatch (
         return_ACPI_STATUS (AE_NOT_EXIST);
     }
 
+    Context = HandlerDesc->AddressSpace.Context;
+
     /*
      * It may be the case that the region has never been initialized.
      * Some types of regions require special init code
@@ -450,7 +455,7 @@ AcpiEvAddressSpaceDispatch (
         AcpiExExitInterpreter ();
 
         Status = RegionSetup (RegionObj, ACPI_REGION_ACTIVATE,
-                    HandlerDesc->AddressSpace.Context, &RegionContext);
+                    Context, &RegionContext);
 
         /* Re-enter the interpreter */
 
@@ -499,6 +504,27 @@ AcpiEvAddressSpaceDispatch (
         ACPI_FORMAT_NATIVE_UINT (RegionObj->Region.Address + RegionOffset),
         AcpiUtGetRegionName (RegionObj->Region.SpaceId)));
 
+
+    /*
+     * Special handling for GenericSerialBus and GeneralPurposeIo:
+     * There are three extra parameters that must be passed to the
+     * handler via the context:
+     *   1) Connection buffer, a resource template from Connection() op.
+     *   2) Length of the above buffer.
+     *   3) Actual access length from the AccessAs() op.
+     */
+    if (((RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GSBUS) ||
+            (RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GPIO)) &&
+        Context &&
+        FieldObj)
+    {
+        /* Get the Connection (ResourceTemplate) buffer */
+
+        Context->Connection = FieldObj->Field.ResourceBuffer;
+        Context->Length = FieldObj->Field.ResourceLength;
+        Context->AccessLength = FieldObj->Field.AccessLength;
+    }
+
     if (!(HandlerDesc->AddressSpace.HandlerFlags &
             ACPI_ADDR_HANDLER_DEFAULT_INSTALLED))
     {
@@ -514,7 +540,7 @@ AcpiEvAddressSpaceDispatch (
 
     Status = Handler (Function,
         (RegionObj->Region.Address + RegionOffset), BitWidth, Value,
-        HandlerDesc->AddressSpace.Context, RegionObj2->Extra.RegionContext);
+        Context, RegionObj2->Extra.RegionContext);
 
     if (ACPI_FAILURE (Status))
     {
diff --git a/usr/src/uts/intel/io/acpica/events/evrgnini.c b/usr/src/uts/intel/io/acpica/events/evrgnini.c
index 496e40e1aa..92946b5aaa 100644
--- a/usr/src/uts/intel/io/acpica/events/evrgnini.c
+++ b/usr/src/uts/intel/io/acpica/events/evrgnini.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/events/evsci.c b/usr/src/uts/intel/io/acpica/events/evsci.c
index 157c184f2b..c47cccc8db 100644
--- a/usr/src/uts/intel/io/acpica/events/evsci.c
+++ b/usr/src/uts/intel/io/acpica/events/evsci.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -50,6 +50,8 @@
 #define _COMPONENT          ACPI_EVENTS
         ACPI_MODULE_NAME    ("evsci")
 
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+
 /* Local prototypes */
 
 static UINT32 ACPI_SYSTEM_XFACE
@@ -204,4 +206,4 @@ AcpiEvRemoveSciHandler (
     return_ACPI_STATUS (Status);
 }
 
-
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/usr/src/uts/intel/io/acpica/events/evxface.c b/usr/src/uts/intel/io/acpica/events/evxface.c
index 8a903a6b47..1b709a5787 100644
--- a/usr/src/uts/intel/io/acpica/events/evxface.c
+++ b/usr/src/uts/intel/io/acpica/events/evxface.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -56,6 +56,337 @@
 
 /*******************************************************************************
  *
+ * FUNCTION:    AcpiInstallNotifyHandler
+ *
+ * PARAMETERS:  Device          - The device for which notifies will be handled
+ *              HandlerType     - The type of handler:
+ *                                  ACPI_SYSTEM_NOTIFY: System Handler (00-7F)
+ *                                  ACPI_DEVICE_NOTIFY: Device Handler (80-FF)
+ *                                  ACPI_ALL_NOTIFY:    Both System and Device
+ *              Handler         - Address of the handler
+ *              Context         - Value passed to the handler on each GPE
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Install a handler for notifications on an ACPI Device,
+ *              ThermalZone, or Processor object.
+ *
+ * NOTES:       The Root namespace object may have only one handler for each
+ *              type of notify (System/Device). Device/Thermal/Processor objects
+ *              may have one device notify handler, and multiple system notify
+ *              handlers.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiInstallNotifyHandler (
+    ACPI_HANDLE             Device,
+    UINT32                  HandlerType,
+    ACPI_NOTIFY_HANDLER     Handler,
+    void                    *Context)
+{
+    ACPI_NAMESPACE_NODE     *Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, Device);
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_OPERAND_OBJECT     *HandlerObj;
+    ACPI_STATUS             Status;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE (AcpiInstallNotifyHandler);
+
+
+    /* Parameter validation */
+
+    if ((!Device) || (!Handler) || (!HandlerType) ||
+        (HandlerType > ACPI_MAX_NOTIFY_HANDLER_TYPE))
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Root Object:
+     * Registering a notify handler on the root object indicates that the
+     * caller wishes to receive notifications for all objects. Note that
+     * only one global handler can be registered per notify type.
+     * Ensure that a handler is not already installed.
+     */
+    if (Device == ACPI_ROOT_OBJECT)
+    {
+        for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++)
+        {
+            if (HandlerType & (i+1))
+            {
+                if (AcpiGbl_GlobalNotify[i].Handler)
+                {
+                    Status = AE_ALREADY_EXISTS;
+                    goto UnlockAndExit;
+                }
+
+                AcpiGbl_GlobalNotify[i].Handler = Handler;
+                AcpiGbl_GlobalNotify[i].Context = Context;
+            }
+        }
+
+        goto UnlockAndExit; /* Global notify handler installed, all done */
+    }
+
+    /*
+     * All Other Objects:
+     * Caller will only receive notifications specific to the target
+     * object. Note that only certain object types are allowed to
+     * receive notifications.
+     */
+
+    /* Are Notifies allowed on this object? */
+
+    if (!AcpiEvIsNotifyObject (Node))
+    {
+        Status = AE_TYPE;
+        goto UnlockAndExit;
+    }
+
+    /* Check for an existing internal object, might not exist */
+
+    ObjDesc = AcpiNsGetAttachedObject (Node);
+    if (!ObjDesc)
+    {
+        /* Create a new object */
+
+        ObjDesc = AcpiUtCreateInternalObject (Node->Type);
+        if (!ObjDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto UnlockAndExit;
+        }
+
+        /* Attach new object to the Node, remove local reference */
+
+        Status = AcpiNsAttachObject (Device, ObjDesc, Node->Type);
+        AcpiUtRemoveReference (ObjDesc);
+        if (ACPI_FAILURE (Status))
+        {
+            goto UnlockAndExit;
+        }
+    }
+
+    /* Ensure that the handler is not already installed in the lists */
+
+    for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++)
+    {
+        if (HandlerType & (i+1))
+        {
+            HandlerObj = ObjDesc->CommonNotify.NotifyList[i];
+            while (HandlerObj)
+            {
+                if (HandlerObj->Notify.Handler == Handler)
+                {
+                    Status = AE_ALREADY_EXISTS;
+                    goto UnlockAndExit;
+                }
+
+                HandlerObj = HandlerObj->Notify.Next[i];
+            }
+        }
+    }
+
+    /* Create and populate a new notify handler object */
+
+    HandlerObj = AcpiUtCreateInternalObject (ACPI_TYPE_LOCAL_NOTIFY);
+    if (!HandlerObj)
+    {
+        Status = AE_NO_MEMORY;
+        goto UnlockAndExit;
+    }
+
+    HandlerObj->Notify.Node = Node;
+    HandlerObj->Notify.HandlerType = HandlerType;
+    HandlerObj->Notify.Handler = Handler;
+    HandlerObj->Notify.Context = Context;
+
+    /* Install the handler at the list head(s) */
+
+    for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++)
+    {
+        if (HandlerType & (i+1))
+        {
+            HandlerObj->Notify.Next[i] =
+                ObjDesc->CommonNotify.NotifyList[i];
+
+            ObjDesc->CommonNotify.NotifyList[i] = HandlerObj;
+        }
+    }
+
+    /* Add an extra reference if handler was installed in both lists */
+
+    if (HandlerType == ACPI_ALL_NOTIFY)
+    {
+        AcpiUtAddReference (HandlerObj);
+    }
+
+
+UnlockAndExit:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return_ACPI_STATUS (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiInstallNotifyHandler)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRemoveNotifyHandler
+ *
+ * PARAMETERS:  Device          - The device for which the handler is installed
+ *              HandlerType     - The type of handler:
+ *                                  ACPI_SYSTEM_NOTIFY: System Handler (00-7F)
+ *                                  ACPI_DEVICE_NOTIFY: Device Handler (80-FF)
+ *                                  ACPI_ALL_NOTIFY:    Both System and Device
+ *              Handler         - Address of the handler
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Remove a handler for notifies on an ACPI device
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRemoveNotifyHandler (
+    ACPI_HANDLE             Device,
+    UINT32                  HandlerType,
+    ACPI_NOTIFY_HANDLER     Handler)
+{
+    ACPI_NAMESPACE_NODE     *Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, Device);
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_OPERAND_OBJECT     *HandlerObj;
+    ACPI_OPERAND_OBJECT     *PreviousHandlerObj;
+    ACPI_STATUS             Status;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE (AcpiRemoveNotifyHandler);
+
+
+    /* Parameter validation */
+
+    if ((!Device) || (!Handler) || (!HandlerType) ||
+        (HandlerType > ACPI_MAX_NOTIFY_HANDLER_TYPE))
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+#ifdef _UNDER_DEVELOPMENT
+    /* Make sure all deferred tasks are completed */
+
+    AcpiOsWaitEventsComplete (NULL);
+#endif
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Root Object. Global handlers are removed here */
+
+    if (Device == ACPI_ROOT_OBJECT)
+    {
+        for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++)
+        {
+            if (HandlerType & (i+1))
+            {
+                if (!AcpiGbl_GlobalNotify[i].Handler ||
+                    (AcpiGbl_GlobalNotify[i].Handler != Handler))
+                {
+                    Status = AE_NOT_EXIST;
+                    goto UnlockAndExit;
+                }
+
+                ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+                    "Removing global notify handler\n"));
+
+                AcpiGbl_GlobalNotify[i].Handler = NULL;
+                AcpiGbl_GlobalNotify[i].Context = NULL;
+            }
+        }
+
+        goto UnlockAndExit;
+    }
+
+    /* All other objects: Are Notifies allowed on this object? */
+
+    if (!AcpiEvIsNotifyObject (Node))
+    {
+        Status = AE_TYPE;
+        goto UnlockAndExit;
+    }
+
+    /* Must have an existing internal object */
+
+    ObjDesc = AcpiNsGetAttachedObject (Node);
+    if (!ObjDesc)
+    {
+        Status = AE_NOT_EXIST;
+        goto UnlockAndExit;
+    }
+
+    /* Internal object exists. Find the handler and remove it */
+
+    for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++)
+    {
+        if (HandlerType & (i+1))
+        {
+            HandlerObj = ObjDesc->CommonNotify.NotifyList[i];
+            PreviousHandlerObj = NULL;
+
+            /* Attempt to find the handler in the handler list */
+
+            while (HandlerObj &&
+                  (HandlerObj->Notify.Handler != Handler))
+            {
+                PreviousHandlerObj = HandlerObj;
+                HandlerObj = HandlerObj->Notify.Next[i];
+            }
+
+            if (!HandlerObj)
+            {
+                Status = AE_NOT_EXIST;
+                goto UnlockAndExit;
+            }
+
+            /* Remove the handler object from the list */
+
+            if (PreviousHandlerObj) /* Handler is not at the list head */
+            {
+                PreviousHandlerObj->Notify.Next[i] =
+                    HandlerObj->Notify.Next[i];
+            }
+            else /* Handler is at the list head */
+            {
+                ObjDesc->CommonNotify.NotifyList[i] =
+                    HandlerObj->Notify.Next[i];
+            }
+
+            AcpiUtRemoveReference (HandlerObj);
+        }
+    }
+
+
+UnlockAndExit:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return_ACPI_STATUS (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiRemoveNotifyHandler)
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    AcpiInstallExceptionHandler
  *
  * PARAMETERS:  Handler         - Pointer to the handler function for the
@@ -103,6 +434,7 @@ Cleanup:
 ACPI_EXPORT_SYMBOL (AcpiInstallExceptionHandler)
 
 
+#if (!ACPI_REDUCED_HARDWARE)
 /*******************************************************************************
  *
  * FUNCTION:    AcpiInstallGlobalEventHandler
@@ -307,357 +639,6 @@ ACPI_EXPORT_SYMBOL (AcpiRemoveFixedEventHandler)
 
 /*******************************************************************************
  *
- * FUNCTION:    AcpiInstallNotifyHandler
- *
- * PARAMETERS:  Device          - The device for which notifies will be handled
- *              HandlerType     - The type of handler:
- *                                  ACPI_SYSTEM_NOTIFY: SystemHandler (00-7f)
- *                                  ACPI_DEVICE_NOTIFY: DriverHandler (80-ff)
- *                                  ACPI_ALL_NOTIFY:  both system and device
- *              Handler         - Address of the handler
- *              Context         - Value passed to the handler on each GPE
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Install a handler for notifies on an ACPI device
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiInstallNotifyHandler (
-    ACPI_HANDLE             Device,
-    UINT32                  HandlerType,
-    ACPI_NOTIFY_HANDLER     Handler,
-    void                    *Context)
-{
-    ACPI_OPERAND_OBJECT     *ObjDesc;
-    ACPI_OPERAND_OBJECT     *NotifyObj;
-    ACPI_NAMESPACE_NODE     *Node;
-    ACPI_STATUS             Status;
-
-
-    ACPI_FUNCTION_TRACE (AcpiInstallNotifyHandler);
-
-
-    /* Parameter validation */
-
-    if ((!Device)  ||
-        (!Handler) ||
-        (HandlerType > ACPI_MAX_NOTIFY_HANDLER_TYPE))
-    {
-        return_ACPI_STATUS (AE_BAD_PARAMETER);
-    }
-
-    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
-    if (ACPI_FAILURE (Status))
-    {
-        return_ACPI_STATUS (Status);
-    }
-
-    /* Convert and validate the device handle */
-
-    Node = AcpiNsValidateHandle (Device);
-    if (!Node)
-    {
-        Status = AE_BAD_PARAMETER;
-        goto UnlockAndExit;
-    }
-
-    /*
-     * Root Object:
-     * Registering a notify handler on the root object indicates that the
-     * caller wishes to receive notifications for all objects. Note that
-     * only one <external> global handler can be regsitered (per notify type).
-     */
-    if (Device == ACPI_ROOT_OBJECT)
-    {
-        /* Make sure the handler is not already installed */
-
-        if (((HandlerType & ACPI_SYSTEM_NOTIFY) &&
-                AcpiGbl_SystemNotify.Handler)       ||
-            ((HandlerType & ACPI_DEVICE_NOTIFY) &&
-                AcpiGbl_DeviceNotify.Handler))
-        {
-            Status = AE_ALREADY_EXISTS;
-            goto UnlockAndExit;
-        }
-
-        if (HandlerType & ACPI_SYSTEM_NOTIFY)
-        {
-            AcpiGbl_SystemNotify.Node    = Node;
-            AcpiGbl_SystemNotify.Handler = Handler;
-            AcpiGbl_SystemNotify.Context = Context;
-        }
-
-        if (HandlerType & ACPI_DEVICE_NOTIFY)
-        {
-            AcpiGbl_DeviceNotify.Node    = Node;
-            AcpiGbl_DeviceNotify.Handler = Handler;
-            AcpiGbl_DeviceNotify.Context = Context;
-        }
-
-        /* Global notify handler installed */
-    }
-
-    /*
-     * All Other Objects:
-     * Caller will only receive notifications specific to the target object.
-     * Note that only certain object types can receive notifications.
-     */
-    else
-    {
-        /* Notifies allowed on this object? */
-
-        if (!AcpiEvIsNotifyObject (Node))
-        {
-            Status = AE_TYPE;
-            goto UnlockAndExit;
-        }
-
-        /* Check for an existing internal object */
-
-        ObjDesc = AcpiNsGetAttachedObject (Node);
-        if (ObjDesc)
-        {
-            /* Object exists - make sure there's no handler */
-
-            if (((HandlerType & ACPI_SYSTEM_NOTIFY) &&
-                    ObjDesc->CommonNotify.SystemNotify)   ||
-                ((HandlerType & ACPI_DEVICE_NOTIFY) &&
-                    ObjDesc->CommonNotify.DeviceNotify))
-            {
-                Status = AE_ALREADY_EXISTS;
-                goto UnlockAndExit;
-            }
-        }
-        else
-        {
-            /* Create a new object */
-
-            ObjDesc = AcpiUtCreateInternalObject (Node->Type);
-            if (!ObjDesc)
-            {
-                Status = AE_NO_MEMORY;
-                goto UnlockAndExit;
-            }
-
-            /* Attach new object to the Node */
-
-            Status = AcpiNsAttachObject (Device, ObjDesc, Node->Type);
-
-            /* Remove local reference to the object */
-
-            AcpiUtRemoveReference (ObjDesc);
-            if (ACPI_FAILURE (Status))
-            {
-                goto UnlockAndExit;
-            }
-        }
-
-        /* Install the handler */
-
-        NotifyObj = AcpiUtCreateInternalObject (ACPI_TYPE_LOCAL_NOTIFY);
-        if (!NotifyObj)
-        {
-            Status = AE_NO_MEMORY;
-            goto UnlockAndExit;
-        }
-
-        NotifyObj->Notify.Node    = Node;
-        NotifyObj->Notify.Handler = Handler;
-        NotifyObj->Notify.Context = Context;
-
-        if (HandlerType & ACPI_SYSTEM_NOTIFY)
-        {
-            ObjDesc->CommonNotify.SystemNotify = NotifyObj;
-        }
-
-        if (HandlerType & ACPI_DEVICE_NOTIFY)
-        {
-            ObjDesc->CommonNotify.DeviceNotify = NotifyObj;
-        }
-
-        if (HandlerType == ACPI_ALL_NOTIFY)
-        {
-            /* Extra ref if installed in both */
-
-            AcpiUtAddReference (NotifyObj);
-        }
-    }
-
-
-UnlockAndExit:
-    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
-    return_ACPI_STATUS (Status);
-}
-
-ACPI_EXPORT_SYMBOL (AcpiInstallNotifyHandler)
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiRemoveNotifyHandler
- *
- * PARAMETERS:  Device          - The device for which notifies will be handled
- *              HandlerType     - The type of handler:
- *                                  ACPI_SYSTEM_NOTIFY: SystemHandler (00-7f)
- *                                  ACPI_DEVICE_NOTIFY: DriverHandler (80-ff)
- *                                  ACPI_ALL_NOTIFY:  both system and device
- *              Handler         - Address of the handler
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Remove a handler for notifies on an ACPI device
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiRemoveNotifyHandler (
-    ACPI_HANDLE             Device,
-    UINT32                  HandlerType,
-    ACPI_NOTIFY_HANDLER     Handler)
-{
-    ACPI_OPERAND_OBJECT     *NotifyObj;
-    ACPI_OPERAND_OBJECT     *ObjDesc;
-    ACPI_NAMESPACE_NODE     *Node;
-    ACPI_STATUS             Status;
-
-
-    ACPI_FUNCTION_TRACE (AcpiRemoveNotifyHandler);
-
-
-    /* Parameter validation */
-
-    if ((!Device)  ||
-        (!Handler) ||
-        (HandlerType > ACPI_MAX_NOTIFY_HANDLER_TYPE))
-    {
-        return_ACPI_STATUS (AE_BAD_PARAMETER);
-    }
-
-    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
-    if (ACPI_FAILURE (Status))
-    {
-        return_ACPI_STATUS (Status);
-    }
-
-    /* Convert and validate the device handle */
-
-    Node = AcpiNsValidateHandle (Device);
-    if (!Node)
-    {
-        Status = AE_BAD_PARAMETER;
-        goto UnlockAndExit;
-    }
-
-    /* Root Object */
-
-    if (Device == ACPI_ROOT_OBJECT)
-    {
-        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
-            "Removing notify handler for namespace root object\n"));
-
-        if (((HandlerType & ACPI_SYSTEM_NOTIFY) &&
-              !AcpiGbl_SystemNotify.Handler)        ||
-            ((HandlerType & ACPI_DEVICE_NOTIFY) &&
-              !AcpiGbl_DeviceNotify.Handler))
-        {
-            Status = AE_NOT_EXIST;
-            goto UnlockAndExit;
-        }
-
-        if (HandlerType & ACPI_SYSTEM_NOTIFY)
-        {
-            AcpiGbl_SystemNotify.Node    = NULL;
-            AcpiGbl_SystemNotify.Handler = NULL;
-            AcpiGbl_SystemNotify.Context = NULL;
-        }
-
-        if (HandlerType & ACPI_DEVICE_NOTIFY)
-        {
-            AcpiGbl_DeviceNotify.Node    = NULL;
-            AcpiGbl_DeviceNotify.Handler = NULL;
-            AcpiGbl_DeviceNotify.Context = NULL;
-        }
-    }
-
-    /* All Other Objects */
-
-    else
-    {
-        /* Notifies allowed on this object? */
-
-        if (!AcpiEvIsNotifyObject (Node))
-        {
-            Status = AE_TYPE;
-            goto UnlockAndExit;
-        }
-
-        /* Check for an existing internal object */
-
-        ObjDesc = AcpiNsGetAttachedObject (Node);
-        if (!ObjDesc)
-        {
-            Status = AE_NOT_EXIST;
-            goto UnlockAndExit;
-        }
-
-        /* Object exists - make sure there's an existing handler */
-
-        if (HandlerType & ACPI_SYSTEM_NOTIFY)
-        {
-            NotifyObj = ObjDesc->CommonNotify.SystemNotify;
-            if (!NotifyObj)
-            {
-                Status = AE_NOT_EXIST;
-                goto UnlockAndExit;
-            }
-
-            if (NotifyObj->Notify.Handler != Handler)
-            {
-                Status = AE_BAD_PARAMETER;
-                goto UnlockAndExit;
-            }
-
-            /* Remove the handler */
-
-            ObjDesc->CommonNotify.SystemNotify = NULL;
-            AcpiUtRemoveReference (NotifyObj);
-        }
-
-        if (HandlerType & ACPI_DEVICE_NOTIFY)
-        {
-            NotifyObj = ObjDesc->CommonNotify.DeviceNotify;
-            if (!NotifyObj)
-            {
-                Status = AE_NOT_EXIST;
-                goto UnlockAndExit;
-            }
-
-            if (NotifyObj->Notify.Handler != Handler)
-            {
-                Status = AE_BAD_PARAMETER;
-                goto UnlockAndExit;
-            }
-
-            /* Remove the handler */
-
-            ObjDesc->CommonNotify.DeviceNotify = NULL;
-            AcpiUtRemoveReference (NotifyObj);
-        }
-    }
-
-
-UnlockAndExit:
-    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
-    return_ACPI_STATUS (Status);
-}
-
-ACPI_EXPORT_SYMBOL (AcpiRemoveNotifyHandler)
-
-
-/*******************************************************************************
- *
  * FUNCTION:    AcpiInstallGpeHandler
  *
  * PARAMETERS:  GpeDevice       - Namespace node for the GPE (NULL for FADT
@@ -975,3 +956,4 @@ AcpiReleaseGlobalLock (
 
 ACPI_EXPORT_SYMBOL (AcpiReleaseGlobalLock)
 
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/usr/src/uts/intel/io/acpica/events/evxfevnt.c b/usr/src/uts/intel/io/acpica/events/evxfevnt.c
index a813dd3c96..254214af19 100644
--- a/usr/src/uts/intel/io/acpica/events/evxfevnt.c
+++ b/usr/src/uts/intel/io/acpica/events/evxfevnt.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -52,6 +52,7 @@
         ACPI_MODULE_NAME    ("evxfevnt")
 
 
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
 /*******************************************************************************
  *
  * FUNCTION:    AcpiEnable
@@ -377,4 +378,4 @@ AcpiGetEventStatus (
 
 ACPI_EXPORT_SYMBOL (AcpiGetEventStatus)
 
-
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/usr/src/uts/intel/io/acpica/events/evxfgpe.c b/usr/src/uts/intel/io/acpica/events/evxfgpe.c
index 76019969ec..c0dd88c777 100644
--- a/usr/src/uts/intel/io/acpica/events/evxfgpe.c
+++ b/usr/src/uts/intel/io/acpica/events/evxfgpe.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -53,6 +53,7 @@
         ACPI_MODULE_NAME    ("evxfgpe")
 
 
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
 /*******************************************************************************
  *
  * FUNCTION:    AcpiUpdateAllGpes
@@ -898,3 +899,5 @@ AcpiGetGpeDevice (
 }
 
 ACPI_EXPORT_SYMBOL (AcpiGetGpeDevice)
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/usr/src/uts/intel/io/acpica/events/evxfregn.c b/usr/src/uts/intel/io/acpica/events/evxfregn.c
index 4fd637e31f..493df9217d 100644
--- a/usr/src/uts/intel/io/acpica/events/evxfregn.c
+++ b/usr/src/uts/intel/io/acpica/events/evxfregn.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exconfig.c b/usr/src/uts/intel/io/acpica/executer/exconfig.c
index d7677e99ce..9e05497b9f 100644
--- a/usr/src/uts/intel/io/acpica/executer/exconfig.c
+++ b/usr/src/uts/intel/io/acpica/executer/exconfig.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -334,7 +334,7 @@ AcpiExRegionRead (
 
     for (i = 0; i < Length; i++)
     {
-        Status = AcpiEvAddressSpaceDispatch (ObjDesc, ACPI_READ,
+        Status = AcpiEvAddressSpaceDispatch (ObjDesc, NULL, ACPI_READ,
                     RegionOffset, 8, &Value);
         if (ACPI_FAILURE (Status))
         {
diff --git a/usr/src/uts/intel/io/acpica/executer/exconvrt.c b/usr/src/uts/intel/io/acpica/executer/exconvrt.c
index 6894acdec7..e79cbc96e9 100644
--- a/usr/src/uts/intel/io/acpica/executer/exconvrt.c
+++ b/usr/src/uts/intel/io/acpica/executer/exconvrt.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/excreate.c b/usr/src/uts/intel/io/acpica/executer/excreate.c
index fe93e0e940..888ff7d7c4 100644
--- a/usr/src/uts/intel/io/acpica/executer/excreate.c
+++ b/usr/src/uts/intel/io/acpica/executer/excreate.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -284,7 +284,7 @@ Cleanup:
  *
  * PARAMETERS:  AmlStart            - Pointer to the region declaration AML
  *              AmlLength           - Max length of the declaration AML
- *              RegionSpace         - SpaceID for the region
+ *              SpaceId             - Address space ID for the region
  *              WalkState           - Current state
  *
  * RETURN:      Status
@@ -297,7 +297,7 @@ ACPI_STATUS
 AcpiExCreateRegion (
     UINT8                   *AmlStart,
     UINT32                  AmlLength,
-    UINT8                   RegionSpace,
+    UINT8                   SpaceId,
     ACPI_WALK_STATE         *WalkState)
 {
     ACPI_STATUS             Status;
@@ -326,16 +326,18 @@ AcpiExCreateRegion (
      * Space ID must be one of the predefined IDs, or in the user-defined
      * range
      */
-    if ((RegionSpace >= ACPI_NUM_PREDEFINED_REGIONS) &&
-        (RegionSpace < ACPI_USER_REGION_BEGIN) &&
-        (RegionSpace != ACPI_ADR_SPACE_DATA_TABLE))
+    if (!AcpiIsValidSpaceId (SpaceId))
     {
-        ACPI_ERROR ((AE_INFO, "Invalid AddressSpace type 0x%X", RegionSpace));
-        return_ACPI_STATUS (AE_AML_INVALID_SPACE_ID);
+        /*
+         * Print an error message, but continue. We don't want to abort
+         * a table load for this exception. Instead, if the region is
+         * actually used at runtime, abort the executing method.
+         */
+        ACPI_ERROR ((AE_INFO, "Invalid/unknown Address Space ID: 0x%2.2X", SpaceId));
     }
 
     ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (0x%X)\n",
-        AcpiUtGetRegionName (RegionSpace), RegionSpace));
+        AcpiUtGetRegionName (SpaceId), SpaceId));
 
     /* Create the region descriptor */
 
@@ -353,10 +355,18 @@ AcpiExCreateRegion (
     RegionObj2 = ObjDesc->Common.NextObject;
     RegionObj2->Extra.AmlStart = AmlStart;
     RegionObj2->Extra.AmlLength = AmlLength;
+    if (WalkState->ScopeInfo)
+    {
+        RegionObj2->Extra.ScopeNode = WalkState->ScopeInfo->Scope.Node;
+    }
+    else
+    {
+        RegionObj2->Extra.ScopeNode = Node;
+    }
 
     /* Init the region from the operands */
 
-    ObjDesc->Region.SpaceId = RegionSpace;
+    ObjDesc->Region.SpaceId = SpaceId;
     ObjDesc->Region.Address = 0;
     ObjDesc->Region.Length = 0;
     ObjDesc->Region.Node = Node;
diff --git a/usr/src/uts/intel/io/acpica/executer/exdebug.c b/usr/src/uts/intel/io/acpica/executer/exdebug.c
index 62bf810c79..166b2af170 100644
--- a/usr/src/uts/intel/io/acpica/executer/exdebug.c
+++ b/usr/src/uts/intel/io/acpica/executer/exdebug.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exdump.c b/usr/src/uts/intel/io/acpica/executer/exdump.c
index 60003e6154..0943e668c1 100644
--- a/usr/src/uts/intel/io/acpica/executer/exdump.c
+++ b/usr/src/uts/intel/io/acpica/executer/exdump.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -131,8 +131,8 @@ static ACPI_EXDUMP_INFO     AcpiExDumpDevice[4] =
 {
     {ACPI_EXD_INIT,     ACPI_EXD_TABLE_SIZE (AcpiExDumpDevice),         NULL},
     {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Device.Handler),               "Handler"},
-    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Device.SystemNotify),          "System Notify"},
-    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Device.DeviceNotify),          "Device Notify"}
+    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Device.NotifyList[0]),         "System Notify"},
+    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Device.NotifyList[1]),         "Device Notify"}
 };
 
 static ACPI_EXDUMP_INFO     AcpiExDumpEvent[2] =
@@ -179,8 +179,8 @@ static ACPI_EXDUMP_INFO     AcpiExDumpPower[5] =
     {ACPI_EXD_INIT,     ACPI_EXD_TABLE_SIZE (AcpiExDumpPower),          NULL},
     {ACPI_EXD_UINT32,   ACPI_EXD_OFFSET (PowerResource.SystemLevel),    "System Level"},
     {ACPI_EXD_UINT32,   ACPI_EXD_OFFSET (PowerResource.ResourceOrder),  "Resource Order"},
-    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (PowerResource.SystemNotify),   "System Notify"},
-    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (PowerResource.DeviceNotify),   "Device Notify"}
+    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (PowerResource.NotifyList[0]),  "System Notify"},
+    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (PowerResource.NotifyList[1]),  "Device Notify"}
 };
 
 static ACPI_EXDUMP_INFO     AcpiExDumpProcessor[7] =
@@ -189,16 +189,16 @@ static ACPI_EXDUMP_INFO     AcpiExDumpProcessor[7] =
     {ACPI_EXD_UINT8,    ACPI_EXD_OFFSET (Processor.ProcId),             "Processor ID"},
     {ACPI_EXD_UINT8 ,   ACPI_EXD_OFFSET (Processor.Length),             "Length"},
     {ACPI_EXD_ADDRESS,  ACPI_EXD_OFFSET (Processor.Address),            "Address"},
-    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Processor.SystemNotify),       "System Notify"},
-    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Processor.DeviceNotify),       "Device Notify"},
+    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Processor.NotifyList[0]),      "System Notify"},
+    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Processor.NotifyList[1]),      "Device Notify"},
     {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Processor.Handler),            "Handler"}
 };
 
 static ACPI_EXDUMP_INFO     AcpiExDumpThermal[4] =
 {
     {ACPI_EXD_INIT,     ACPI_EXD_TABLE_SIZE (AcpiExDumpThermal),        NULL},
-    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (ThermalZone.SystemNotify),     "System Notify"},
-    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (ThermalZone.DeviceNotify),     "Device Notify"},
+    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (ThermalZone.NotifyList[0]),    "System Notify"},
+    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (ThermalZone.NotifyList[1]),    "Device Notify"},
     {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (ThermalZone.Handler),          "Handler"}
 };
 
@@ -209,11 +209,13 @@ static ACPI_EXDUMP_INFO     AcpiExDumpBufferField[3] =
     {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (BufferField.BufferObj),        "Buffer Object"}
 };
 
-static ACPI_EXDUMP_INFO     AcpiExDumpRegionField[3] =
+static ACPI_EXDUMP_INFO     AcpiExDumpRegionField[5] =
 {
     {ACPI_EXD_INIT,     ACPI_EXD_TABLE_SIZE (AcpiExDumpRegionField),    NULL},
     {ACPI_EXD_FIELD,    0,                                              NULL},
-    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Field.RegionObj),              "Region Object"}
+    {ACPI_EXD_UINT8,    ACPI_EXD_OFFSET (Field.AccessLength),           "AccessLength"},
+    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Field.RegionObj),              "Region Object"},
+    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Field.ResourceBuffer),         "ResourceBuffer"}
 };
 
 static ACPI_EXDUMP_INFO     AcpiExDumpBankField[5] =
@@ -256,11 +258,15 @@ static ACPI_EXDUMP_INFO     AcpiExDumpAddressHandler[6] =
     {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (AddressSpace.Context),         "Context"}
 };
 
-static ACPI_EXDUMP_INFO     AcpiExDumpNotify[3] =
+static ACPI_EXDUMP_INFO     AcpiExDumpNotify[7] =
 {
     {ACPI_EXD_INIT,     ACPI_EXD_TABLE_SIZE (AcpiExDumpNotify),         NULL},
     {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Notify.Node),                  "Node"},
-    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Notify.Context),               "Context"}
+    {ACPI_EXD_UINT32,   ACPI_EXD_OFFSET (Notify.HandlerType),           "Handler Type"},
+    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Notify.Handler),               "Handler"},
+    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Notify.Context),               "Context"},
+    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Notify.Next[0]),               "Next System Notify"},
+    {ACPI_EXD_POINTER,  ACPI_EXD_OFFSET (Notify.Next[1]),               "Next Device Notify"}
 };
 
 
@@ -999,10 +1005,7 @@ AcpiExDumpPackageObj (
     case ACPI_TYPE_STRING:
 
         AcpiOsPrintf ("[String]  Value: ");
-        for (i = 0; i < ObjDesc->String.Length; i++)
-        {
-            AcpiOsPrintf ("%c", ObjDesc->String.Pointer[i]);
-        }
+        AcpiUtPrintString (ObjDesc->String.Pointer, ACPI_UINT8_MAX);
         AcpiOsPrintf ("\n");
         break;
 
diff --git a/usr/src/uts/intel/io/acpica/executer/exfield.c b/usr/src/uts/intel/io/acpica/executer/exfield.c
index 098a18650e..a682406826 100644
--- a/usr/src/uts/intel/io/acpica/executer/exfield.c
+++ b/usr/src/uts/intel/io/acpica/executer/exfield.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -113,19 +113,25 @@ AcpiExReadDataFromField (
     }
     else if ((ObjDesc->Common.Type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
              (ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_SMBUS ||
+              ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GSBUS ||
               ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_IPMI))
     {
         /*
-         * This is an SMBus or IPMI read. We must create a buffer to hold
+         * This is an SMBus, GSBus or IPMI read. We must create a buffer to hold
          * the data and then directly access the region handler.
          *
-         * Note: Smbus protocol value is passed in upper 16-bits of Function
+         * Note: SMBus and GSBus protocol value is passed in upper 16-bits of Function
          */
         if (ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_SMBUS)
         {
             Length = ACPI_SMBUS_BUFFER_SIZE;
             Function = ACPI_READ | (ObjDesc->Field.Attribute << 16);
         }
+        else if (ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GSBUS)
+        {
+            Length = ACPI_GSBUS_BUFFER_SIZE;
+            Function = ACPI_READ | (ObjDesc->Field.Attribute << 16);
+        }
         else /* IPMI */
         {
             Length = ACPI_IPMI_BUFFER_SIZE;
@@ -274,23 +280,24 @@ AcpiExWriteDataToField (
     }
     else if ((ObjDesc->Common.Type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
              (ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_SMBUS ||
+              ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GSBUS ||
               ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_IPMI))
     {
         /*
-         * This is an SMBus or IPMI write. We will bypass the entire field
+         * This is an SMBus, GSBus or IPMI write. We will bypass the entire field
          * mechanism and handoff the buffer directly to the handler. For
          * these address spaces, the buffer is bi-directional; on a write,
          * return data is returned in the same buffer.
          *
          * Source must be a buffer of sufficient size:
-         * ACPI_SMBUS_BUFFER_SIZE or ACPI_IPMI_BUFFER_SIZE.
+         * ACPI_SMBUS_BUFFER_SIZE, ACPI_GSBUS_BUFFER_SIZE, or ACPI_IPMI_BUFFER_SIZE.
          *
-         * Note: SMBus protocol type is passed in upper 16-bits of Function
+         * Note: SMBus and GSBus protocol type is passed in upper 16-bits of Function
          */
         if (SourceDesc->Common.Type != ACPI_TYPE_BUFFER)
         {
             ACPI_ERROR ((AE_INFO,
-                "SMBus or IPMI write requires Buffer, found type %s",
+                "SMBus/IPMI/GenericSerialBus write requires Buffer, found type %s",
                 AcpiUtGetObjectTypeName (SourceDesc)));
 
             return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
@@ -301,6 +308,11 @@ AcpiExWriteDataToField (
             Length = ACPI_SMBUS_BUFFER_SIZE;
             Function = ACPI_WRITE | (ObjDesc->Field.Attribute << 16);
         }
+        else if (ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GSBUS)
+        {
+            Length = ACPI_GSBUS_BUFFER_SIZE;
+            Function = ACPI_WRITE | (ObjDesc->Field.Attribute << 16);
+        }
         else /* IPMI */
         {
             Length = ACPI_IPMI_BUFFER_SIZE;
@@ -310,7 +322,7 @@ AcpiExWriteDataToField (
         if (SourceDesc->Buffer.Length < Length)
         {
             ACPI_ERROR ((AE_INFO,
-                "SMBus or IPMI write requires Buffer of length %u, found length %u",
+                "SMBus/IPMI/GenericSerialBus write requires Buffer of length %u, found length %u",
                 Length, SourceDesc->Buffer.Length));
 
             return_ACPI_STATUS (AE_AML_BUFFER_LIMIT);
diff --git a/usr/src/uts/intel/io/acpica/executer/exfldio.c b/usr/src/uts/intel/io/acpica/executer/exfldio.c
index bf663a2f5e..e138e9a13c 100644
--- a/usr/src/uts/intel/io/acpica/executer/exfldio.c
+++ b/usr/src/uts/intel/io/acpica/executer/exfldio.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -98,6 +98,7 @@ AcpiExSetupRegion (
 {
     ACPI_STATUS             Status = AE_OK;
     ACPI_OPERAND_OBJECT     *RgnDesc;
+    UINT8                   SpaceId;
 
 
     ACPI_FUNCTION_TRACE_U32 (ExSetupRegion, FieldDatumByteOffset);
@@ -116,6 +117,16 @@ AcpiExSetupRegion (
         return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
     }
 
+    SpaceId = RgnDesc->Region.SpaceId;
+
+    /* Validate the Space ID */
+
+    if (!AcpiIsValidSpaceId (SpaceId))
+    {
+        ACPI_ERROR ((AE_INFO, "Invalid/unknown Address Space ID: 0x%2.2X", SpaceId));
+        return_ACPI_STATUS (AE_AML_INVALID_SPACE_ID);
+    }
+
     /*
      * If the Region Address and Length have not been previously evaluated,
      * evaluate them now and save the results.
@@ -130,11 +141,12 @@ AcpiExSetupRegion (
     }
 
     /*
-     * Exit now for SMBus or IPMI address space, it has a non-linear
+     * Exit now for SMBus, GSBus or IPMI address space, it has a non-linear
      * address space and the request cannot be directly validated
      */
-    if (RgnDesc->Region.SpaceId == ACPI_ADR_SPACE_SMBUS ||
-        RgnDesc->Region.SpaceId == ACPI_ADR_SPACE_IPMI)
+    if (SpaceId == ACPI_ADR_SPACE_SMBUS ||
+        SpaceId == ACPI_ADR_SPACE_GSBUS ||
+        SpaceId == ACPI_ADR_SPACE_IPMI)
     {
         /* SMBus or IPMI has a non-linear address space */
 
@@ -290,7 +302,8 @@ AcpiExAccessRegion (
 
     /* Invoke the appropriate AddressSpace/OpRegion handler */
 
-    Status = AcpiEvAddressSpaceDispatch (RgnDesc, Function, RegionOffset,
+    Status = AcpiEvAddressSpaceDispatch (RgnDesc, ObjDesc,
+                Function, RegionOffset,
                 ACPI_MUL_8 (ObjDesc->CommonField.AccessByteWidth), Value);
 
     if (ACPI_FAILURE (Status))
@@ -353,6 +366,11 @@ AcpiExRegisterOverflow (
          * The Value is larger than the maximum value that can fit into
          * the register.
          */
+        ACPI_ERROR ((AE_INFO,
+            "Index value 0x%8.8X%8.8X overflows field width 0x%X",
+            ACPI_FORMAT_UINT64 (Value),
+            ObjDesc->CommonField.BitLength));
+
         return (TRUE);
     }
 
diff --git a/usr/src/uts/intel/io/acpica/executer/exmisc.c b/usr/src/uts/intel/io/acpica/executer/exmisc.c
index c5dd280fe4..63114f5584 100644
--- a/usr/src/uts/intel/io/acpica/executer/exmisc.c
+++ b/usr/src/uts/intel/io/acpica/executer/exmisc.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exmutex.c b/usr/src/uts/intel/io/acpica/executer/exmutex.c
index 6a893f0e90..4c702b8baa 100644
--- a/usr/src/uts/intel/io/acpica/executer/exmutex.c
+++ b/usr/src/uts/intel/io/acpica/executer/exmutex.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exnames.c b/usr/src/uts/intel/io/acpica/executer/exnames.c
index 2188ec0a2f..c3cb6b0b4c 100644
--- a/usr/src/uts/intel/io/acpica/executer/exnames.c
+++ b/usr/src/uts/intel/io/acpica/executer/exnames.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exoparg1.c b/usr/src/uts/intel/io/acpica/executer/exoparg1.c
index 6ac685c82b..9a6cd9fcab 100644
--- a/usr/src/uts/intel/io/acpica/executer/exoparg1.c
+++ b/usr/src/uts/intel/io/acpica/executer/exoparg1.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exoparg2.c b/usr/src/uts/intel/io/acpica/executer/exoparg2.c
index d131277aae..b76da75c49 100644
--- a/usr/src/uts/intel/io/acpica/executer/exoparg2.c
+++ b/usr/src/uts/intel/io/acpica/executer/exoparg2.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exoparg3.c b/usr/src/uts/intel/io/acpica/executer/exoparg3.c
index 6adb1afac2..0edac68e60 100644
--- a/usr/src/uts/intel/io/acpica/executer/exoparg3.c
+++ b/usr/src/uts/intel/io/acpica/executer/exoparg3.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exoparg6.c b/usr/src/uts/intel/io/acpica/executer/exoparg6.c
index fd6e039c01..bfc6585301 100644
--- a/usr/src/uts/intel/io/acpica/executer/exoparg6.c
+++ b/usr/src/uts/intel/io/acpica/executer/exoparg6.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exprep.c b/usr/src/uts/intel/io/acpica/executer/exprep.c
index ee96a6a090..9ec78275bd 100644
--- a/usr/src/uts/intel/io/acpica/executer/exprep.c
+++ b/usr/src/uts/intel/io/acpica/executer/exprep.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,6 +49,7 @@
 #include "acinterp.h"
 #include "amlcode.h"
 #include "acnamesp.h"
+#include "acdispat.h"
 
 
 #define _COMPONENT          ACPI_EXECUTER
@@ -484,6 +485,32 @@ AcpiExPrepFieldValue (
 
         ObjDesc->Field.RegionObj = AcpiNsGetAttachedObject (Info->RegionNode);
 
+        /* Fields specific to GenericSerialBus fields */
+
+        ObjDesc->Field.AccessLength = Info->AccessLength;
+
+        if (Info->ConnectionNode)
+        {
+            SecondDesc = Info->ConnectionNode->Object;
+            if (!(SecondDesc->Common.Flags & AOPOBJ_DATA_VALID))
+            {
+                Status = AcpiDsGetBufferArguments (SecondDesc);
+                if (ACPI_FAILURE (Status))
+                {
+                    AcpiUtDeleteObjectDesc (ObjDesc);
+                    return_ACPI_STATUS (Status);
+                }
+            }
+
+            ObjDesc->Field.ResourceBuffer = SecondDesc->Buffer.Pointer;
+            ObjDesc->Field.ResourceLength = (UINT16) SecondDesc->Buffer.Length;
+        }
+        else if (Info->ResourceBuffer)
+        {
+            ObjDesc->Field.ResourceBuffer = Info->ResourceBuffer;
+            ObjDesc->Field.ResourceLength = Info->ResourceLength;
+        }
+
         /* Allow full data read from EC address space */
 
         if ((ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_EC) &&
diff --git a/usr/src/uts/intel/io/acpica/executer/exregion.c b/usr/src/uts/intel/io/acpica/executer/exregion.c
index b3b9aa6e66..8a40250794 100644
--- a/usr/src/uts/intel/io/acpica/executer/exregion.c
+++ b/usr/src/uts/intel/io/acpica/executer/exregion.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exresnte.c b/usr/src/uts/intel/io/acpica/executer/exresnte.c
index cf8a55531f..03962edf97 100644
--- a/usr/src/uts/intel/io/acpica/executer/exresnte.c
+++ b/usr/src/uts/intel/io/acpica/executer/exresnte.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exresolv.c b/usr/src/uts/intel/io/acpica/executer/exresolv.c
index 652d95dd54..e92fb2468e 100644
--- a/usr/src/uts/intel/io/acpica/executer/exresolv.c
+++ b/usr/src/uts/intel/io/acpica/executer/exresolv.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exresop.c b/usr/src/uts/intel/io/acpica/executer/exresop.c
index 12c872f99a..1bcba69033 100644
--- a/usr/src/uts/intel/io/acpica/executer/exresop.c
+++ b/usr/src/uts/intel/io/acpica/executer/exresop.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exstore.c b/usr/src/uts/intel/io/acpica/executer/exstore.c
index 8679e790b8..656b649478 100644
--- a/usr/src/uts/intel/io/acpica/executer/exstore.c
+++ b/usr/src/uts/intel/io/acpica/executer/exstore.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exstoren.c b/usr/src/uts/intel/io/acpica/executer/exstoren.c
index 71d8809a2d..464d6b1065 100644
--- a/usr/src/uts/intel/io/acpica/executer/exstoren.c
+++ b/usr/src/uts/intel/io/acpica/executer/exstoren.c
@@ -7,7 +7,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exstorob.c b/usr/src/uts/intel/io/acpica/executer/exstorob.c
index 4dfcf15fe3..e74d5b3485 100644
--- a/usr/src/uts/intel/io/acpica/executer/exstorob.c
+++ b/usr/src/uts/intel/io/acpica/executer/exstorob.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exsystem.c b/usr/src/uts/intel/io/acpica/executer/exsystem.c
index 10d6edc951..37f5b234a3 100644
--- a/usr/src/uts/intel/io/acpica/executer/exsystem.c
+++ b/usr/src/uts/intel/io/acpica/executer/exsystem.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/executer/exutils.c b/usr/src/uts/intel/io/acpica/executer/exutils.c
index 4daa44f527..b5eca064a2 100644
--- a/usr/src/uts/intel/io/acpica/executer/exutils.c
+++ b/usr/src/uts/intel/io/acpica/executer/exutils.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -499,4 +499,34 @@ AcpiExIntegerToString (
     }
 }
 
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiIsValidSpaceId
+ *
+ * PARAMETERS:  SpaceId             - ID to be validated
+ *
+ * RETURN:      TRUE if valid/supported ID.
+ *
+ * DESCRIPTION: Validate an operation region SpaceID.
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiIsValidSpaceId (
+    UINT8                   SpaceId)
+{
+
+    if ((SpaceId >= ACPI_NUM_PREDEFINED_REGIONS) &&
+        (SpaceId < ACPI_USER_REGION_BEGIN) &&
+        (SpaceId != ACPI_ADR_SPACE_DATA_TABLE) &&
+        (SpaceId != ACPI_ADR_SPACE_FIXED_HARDWARE))
+    {
+        return (FALSE);
+    }
+
+    return (TRUE);
+}
+
+
 #endif
diff --git a/usr/src/uts/intel/io/acpica/hardware/hwacpi.c b/usr/src/uts/intel/io/acpica/hardware/hwacpi.c
index 577666100e..d9f16ef9d7 100644
--- a/usr/src/uts/intel/io/acpica/hardware/hwacpi.c
+++ b/usr/src/uts/intel/io/acpica/hardware/hwacpi.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -52,6 +52,7 @@
         ACPI_MODULE_NAME    ("hwacpi")
 
 
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
 /******************************************************************************
  *
  * FUNCTION:    AcpiHwSetMode
@@ -204,3 +205,5 @@ AcpiHwGetMode (
         return_UINT32 (ACPI_SYS_MODE_LEGACY);
     }
 }
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/usr/src/uts/intel/io/acpica/hardware/hwesleep.c b/usr/src/uts/intel/io/acpica/hardware/hwesleep.c
new file mode 100644
index 0000000000..1587af019c
--- /dev/null
+++ b/usr/src/uts/intel/io/acpica/hardware/hwesleep.c
@@ -0,0 +1,277 @@
+/******************************************************************************
+ *
+ * Name: hwesleep.c - ACPI Hardware Sleep/Wake Support functions for the
+ *                    extended FADT-V5 sleep registers.
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include "acpi.h"
+#include "accommon.h"
+
+#define _COMPONENT          ACPI_HARDWARE
+        ACPI_MODULE_NAME    ("hwesleep")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiHwExecuteSleepMethod
+ *
+ * PARAMETERS:  MethodPathname      - Pathname of method to execute
+ *              IntegerArgument     - Argument to pass to the method
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Execute a sleep/wake related method with one integer argument
+ *              and no return value.
+ *
+ ******************************************************************************/
+
+void
+AcpiHwExecuteSleepMethod (
+    char                    *MethodPathname,
+    UINT32                  IntegerArgument)
+{
+    ACPI_OBJECT_LIST        ArgList;
+    ACPI_OBJECT             Arg;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (HwExecuteSleepMethod);
+
+
+    /* One argument, IntegerArgument; No return value expected */
+
+    ArgList.Count = 1;
+    ArgList.Pointer = &Arg;
+    Arg.Type = ACPI_TYPE_INTEGER;
+    Arg.Integer.Value = (UINT64) IntegerArgument;
+
+    Status = AcpiEvaluateObject (NULL, MethodPathname, &ArgList, NULL);
+    if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
+    {
+        ACPI_EXCEPTION ((AE_INFO, Status, "While executing method %s",
+            MethodPathname));
+    }
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiHwExtendedSleep
+ *
+ * PARAMETERS:  SleepState          - Which sleep state to enter
+ *              Flags               - ACPI_EXECUTE_GTS to run optional method
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Enter a system sleep state via the extended FADT sleep
+ *              registers (V5 FADT).
+ *              THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwExtendedSleep (
+    UINT8                   SleepState,
+    UINT8                   Flags)
+{
+    ACPI_STATUS             Status;
+    UINT8                   SleepTypeValue;
+    UINT64                  SleepStatus;
+
+
+    ACPI_FUNCTION_TRACE (HwExtendedSleep);
+
+
+    /* Extended sleep registers must be valid */
+
+    if (!AcpiGbl_FADT.SleepControl.Address ||
+        !AcpiGbl_FADT.SleepStatus.Address)
+    {
+        return_ACPI_STATUS (AE_NOT_EXIST);
+    }
+
+    /* Clear wake status (WAK_STS) */
+
+    Status = AcpiWrite ((UINT64) ACPI_X_WAKE_STATUS, &AcpiGbl_FADT.SleepStatus);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    AcpiGbl_SystemAwakeAndRunning = FALSE;
+
+    /* Optionally execute _GTS (Going To Sleep) */
+
+    if (Flags & ACPI_EXECUTE_GTS)
+    {
+        AcpiHwExecuteSleepMethod (METHOD_PATHNAME__GTS, SleepState);
+    }
+
+    /* Flush caches, as per ACPI specification */
+
+    ACPI_FLUSH_CPU_CACHE ();
+
+    /*
+     * Set the SLP_TYP and SLP_EN bits.
+     *
+     * Note: We only use the first value returned by the \_Sx method
+     * (AcpiGbl_SleepTypeA) - As per ACPI specification.
+     */
+    ACPI_DEBUG_PRINT ((ACPI_DB_INIT,
+        "Entering sleep state [S%u]\n", SleepState));
+
+    SleepTypeValue = ((AcpiGbl_SleepTypeA << ACPI_X_SLEEP_TYPE_POSITION) &
+        ACPI_X_SLEEP_TYPE_MASK);
+
+    Status = AcpiWrite ((UINT64) (SleepTypeValue | ACPI_X_SLEEP_ENABLE),
+        &AcpiGbl_FADT.SleepControl);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Wait for transition back to Working State */
+
+    do
+    {
+        Status = AcpiRead (&SleepStatus, &AcpiGbl_FADT.SleepStatus);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+    } while (!(((UINT8) SleepStatus) & ACPI_X_WAKE_STATUS));
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiHwExtendedWakePrep
+ *
+ * PARAMETERS:  SleepState          - Which sleep state we just exited
+ *              Flags               - ACPI_EXECUTE_BFS to run optional method
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Perform first part of OS-independent ACPI cleanup after
+ *              a sleep. Called with interrupts ENABLED.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwExtendedWakePrep (
+    UINT8                   SleepState,
+    UINT8                   Flags)
+{
+    ACPI_STATUS             Status;
+    UINT8                   SleepTypeValue;
+
+
+    ACPI_FUNCTION_TRACE (HwExtendedWakePrep);
+
+
+    Status = AcpiGetSleepTypeData (ACPI_STATE_S0,
+                    &AcpiGbl_SleepTypeA, &AcpiGbl_SleepTypeB);
+    if (ACPI_SUCCESS (Status))
+    {
+        SleepTypeValue = ((AcpiGbl_SleepTypeA << ACPI_X_SLEEP_TYPE_POSITION) &
+            ACPI_X_SLEEP_TYPE_MASK);
+
+        (void) AcpiWrite ((UINT64) (SleepTypeValue | ACPI_X_SLEEP_ENABLE),
+            &AcpiGbl_FADT.SleepControl);
+    }
+
+    /* Optionally execute _BFS (Back From Sleep) */
+
+    if (Flags & ACPI_EXECUTE_BFS)
+    {
+        AcpiHwExecuteSleepMethod (METHOD_PATHNAME__BFS, SleepState);
+    }
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiHwExtendedWake
+ *
+ * PARAMETERS:  SleepState          - Which sleep state we just exited
+ *              Flags               - Reserved, set to zero
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Perform OS-independent ACPI cleanup after a sleep
+ *              Called with interrupts ENABLED.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwExtendedWake (
+    UINT8                   SleepState,
+    UINT8                   Flags)
+{
+    ACPI_FUNCTION_TRACE (HwExtendedWake);
+
+
+    /* Ensure EnterSleepStatePrep -> EnterSleepState ordering */
+
+    AcpiGbl_SleepTypeA = ACPI_SLEEP_TYPE_INVALID;
+
+    /* Execute the wake methods */
+
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__SST, ACPI_SST_WAKING);
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__WAK, SleepState);
+
+    /*
+     * Some BIOS code assumes that WAK_STS will be cleared on resume
+     * and use it to determine whether the system is rebooting or
+     * resuming. Clear WAK_STS for compatibility.
+     */
+    (void) AcpiWrite ((UINT64) ACPI_X_WAKE_STATUS, &AcpiGbl_FADT.SleepStatus);
+    AcpiGbl_SystemAwakeAndRunning = TRUE;
+
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__SST, ACPI_SST_WORKING);
+    return_ACPI_STATUS (AE_OK);
+}
diff --git a/usr/src/uts/intel/io/acpica/hardware/hwgpe.c b/usr/src/uts/intel/io/acpica/hardware/hwgpe.c
index 335814f942..c94f17be26 100644
--- a/usr/src/uts/intel/io/acpica/hardware/hwgpe.c
+++ b/usr/src/uts/intel/io/acpica/hardware/hwgpe.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,6 +49,8 @@
 #define _COMPONENT          ACPI_HARDWARE
         ACPI_MODULE_NAME    ("hwgpe")
 
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+
 /* Local prototypes */
 
 static ACPI_STATUS
@@ -538,3 +540,4 @@ AcpiHwEnableAllWakeupGpes (
     return_ACPI_STATUS (Status);
 }
 
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/usr/src/uts/intel/io/acpica/hardware/hwpci.c b/usr/src/uts/intel/io/acpica/hardware/hwpci.c
index 96a2dfcdbe..065e42d95e 100644
--- a/usr/src/uts/intel/io/acpica/hardware/hwpci.c
+++ b/usr/src/uts/intel/io/acpica/hardware/hwpci.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/hardware/hwregs.c b/usr/src/uts/intel/io/acpica/hardware/hwregs.c
index 61e61a1e6b..6d89883179 100644
--- a/usr/src/uts/intel/io/acpica/hardware/hwregs.c
+++ b/usr/src/uts/intel/io/acpica/hardware/hwregs.c
@@ -7,7 +7,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -53,6 +53,8 @@
         ACPI_MODULE_NAME    ("hwregs")
 
 
+#if (!ACPI_REDUCED_HARDWARE)
+
 /* Local Prototypes */
 
 static ACPI_STATUS
@@ -67,6 +69,7 @@ AcpiHwWriteMultiple (
     ACPI_GENERIC_ADDRESS    *RegisterA,
     ACPI_GENERIC_ADDRESS    *RegisterB);
 
+#endif /* !ACPI_REDUCED_HARDWARE */
 
 /******************************************************************************
  *
@@ -170,6 +173,7 @@ AcpiHwRead (
     ACPI_GENERIC_ADDRESS    *Reg)
 {
     UINT64                  Address;
+    UINT64                  Value64;
     ACPI_STATUS             Status;
 
 
@@ -195,7 +199,9 @@ AcpiHwRead (
     if (Reg->SpaceId == ACPI_ADR_SPACE_SYSTEM_MEMORY)
     {
         Status = AcpiOsReadMemory ((ACPI_PHYSICAL_ADDRESS)
-                    Address, Value, Reg->BitWidth);
+                    Address, &Value64, Reg->BitWidth);
+
+        *Value = (UINT32) Value64;
     }
     else /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
     {
@@ -254,7 +260,7 @@ AcpiHwWrite (
     if (Reg->SpaceId == ACPI_ADR_SPACE_SYSTEM_MEMORY)
     {
         Status = AcpiOsWriteMemory ((ACPI_PHYSICAL_ADDRESS)
-                    Address, Value, Reg->BitWidth);
+                    Address, (UINT64) Value, Reg->BitWidth);
     }
     else /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
     {
@@ -271,6 +277,7 @@ AcpiHwWrite (
 }
 
 
+#if (!ACPI_REDUCED_HARDWARE)
 /*******************************************************************************
  *
  * FUNCTION:    AcpiHwClearAcpiStatus
@@ -321,7 +328,7 @@ UnlockAndExit:
 
 /*******************************************************************************
  *
- * FUNCTION:    AcpiHwGetRegisterBitMask
+ * FUNCTION:    AcpiHwGetBitRegisterInfo
  *
  * PARAMETERS:  RegisterId          - Index of ACPI Register to access
  *
@@ -731,3 +738,4 @@ AcpiHwWriteMultiple (
     return (Status);
 }
 
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/usr/src/uts/intel/io/acpica/hardware/hwsleep.c b/usr/src/uts/intel/io/acpica/hardware/hwsleep.c
index 1c8ca2440f..1953ff846e 100644
--- a/usr/src/uts/intel/io/acpica/hardware/hwsleep.c
+++ b/usr/src/uts/intel/io/acpica/hardware/hwsleep.c
@@ -1,12 +1,12 @@
-
 /******************************************************************************
  *
- * Name: hwsleep.c - ACPI Hardware Sleep/Wake Interface
+ * Name: hwsleep.c - ACPI Hardware Sleep/Wake Support functions for the
+ *                   original/legacy sleep/PM registers.
  *
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,210 +49,38 @@
         ACPI_MODULE_NAME    ("hwsleep")
 
 
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
 /*******************************************************************************
  *
- * FUNCTION:    AcpiSetFirmwareWakingVector
- *
- * PARAMETERS:  PhysicalAddress     - 32-bit physical address of ACPI real mode
- *                                    entry point.
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Sets the 32-bit FirmwareWakingVector field of the FACS
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiSetFirmwareWakingVector (
-    UINT32                  PhysicalAddress)
-{
-    ACPI_FUNCTION_TRACE (AcpiSetFirmwareWakingVector);
-
-
-    /* Set the 32-bit vector */
-
-    AcpiGbl_FACS->FirmwareWakingVector = PhysicalAddress;
-
-    /* Clear the 64-bit vector if it exists */
-
-    if ((AcpiGbl_FACS->Length > 32) && (AcpiGbl_FACS->Version >= 1))
-    {
-        AcpiGbl_FACS->XFirmwareWakingVector = 0;
-    }
-
-    return_ACPI_STATUS (AE_OK);
-}
-
-ACPI_EXPORT_SYMBOL (AcpiSetFirmwareWakingVector)
-
-
-#if ACPI_MACHINE_WIDTH == 64
-/*******************************************************************************
- *
- * FUNCTION:    AcpiSetFirmwareWakingVector64
- *
- * PARAMETERS:  PhysicalAddress     - 64-bit physical address of ACPI protected
- *                                    mode entry point.
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Sets the 64-bit X_FirmwareWakingVector field of the FACS, if
- *              it exists in the table. This function is intended for use with
- *              64-bit host operating systems.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiSetFirmwareWakingVector64 (
-    UINT64                  PhysicalAddress)
-{
-    ACPI_FUNCTION_TRACE (AcpiSetFirmwareWakingVector64);
-
-
-    /* Determine if the 64-bit vector actually exists */
-
-    if ((AcpiGbl_FACS->Length <= 32) || (AcpiGbl_FACS->Version < 1))
-    {
-        return_ACPI_STATUS (AE_NOT_EXIST);
-    }
-
-    /* Clear 32-bit vector, set the 64-bit X_ vector */
-
-    AcpiGbl_FACS->FirmwareWakingVector = 0;
-    AcpiGbl_FACS->XFirmwareWakingVector = PhysicalAddress;
-    return_ACPI_STATUS (AE_OK);
-}
-
-ACPI_EXPORT_SYMBOL (AcpiSetFirmwareWakingVector64)
-#endif
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiEnterSleepStatePrep
+ * FUNCTION:    AcpiHwLegacySleep
  *
  * PARAMETERS:  SleepState          - Which sleep state to enter
+ *              Flags               - ACPI_EXECUTE_GTS to run optional method
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Prepare to enter a system sleep state (see ACPI 2.0 spec p 231)
- *              This function must execute with interrupts enabled.
- *              We break sleeping into 2 stages so that OSPM can handle
- *              various OS-specific tasks between the two steps.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiEnterSleepStatePrep (
-    UINT8                   SleepState)
-{
-    ACPI_STATUS             Status;
-    ACPI_OBJECT_LIST        ArgList;
-    ACPI_OBJECT             Arg;
-
-
-    ACPI_FUNCTION_TRACE (AcpiEnterSleepStatePrep);
-
-
-    /* _PSW methods could be run here to enable wake-on keyboard, LAN, etc. */
-
-    Status = AcpiGetSleepTypeData (SleepState,
-                    &AcpiGbl_SleepTypeA, &AcpiGbl_SleepTypeB);
-    if (ACPI_FAILURE (Status))
-    {
-        return_ACPI_STATUS (Status);
-    }
-
-    /* Execute the _PTS method (Prepare To Sleep) */
-
-    ArgList.Count = 1;
-    ArgList.Pointer = &Arg;
-    Arg.Type = ACPI_TYPE_INTEGER;
-    Arg.Integer.Value = SleepState;
-
-    Status = AcpiEvaluateObject (NULL, METHOD_NAME__PTS, &ArgList, NULL);
-    if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
-    {
-        return_ACPI_STATUS (Status);
-    }
-
-    /* Setup the argument to the _SST method (System STatus) */
-
-    switch (SleepState)
-    {
-    case ACPI_STATE_S0:
-        Arg.Integer.Value = ACPI_SST_WORKING;
-        break;
-
-    case ACPI_STATE_S1:
-    case ACPI_STATE_S2:
-    case ACPI_STATE_S3:
-        Arg.Integer.Value = ACPI_SST_SLEEPING;
-        break;
-
-    case ACPI_STATE_S4:
-        Arg.Integer.Value = ACPI_SST_SLEEP_CONTEXT;
-        break;
-
-    default:
-        Arg.Integer.Value = ACPI_SST_INDICATOR_OFF; /* Default is off */
-        break;
-    }
-
-    /*
-     * Set the system indicators to show the desired sleep state.
-     * _SST is an optional method (return no error if not found)
-     */
-    Status = AcpiEvaluateObject (NULL, METHOD_NAME__SST, &ArgList, NULL);
-    if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
-    {
-        ACPI_EXCEPTION ((AE_INFO, Status, "While executing method _SST"));
-    }
-
-    return_ACPI_STATUS (AE_OK);
-}
-
-ACPI_EXPORT_SYMBOL (AcpiEnterSleepStatePrep)
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiEnterSleepState
- *
- * PARAMETERS:  SleepState          - Which sleep state to enter
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Enter a system sleep state
+ * DESCRIPTION: Enter a system sleep state via the legacy FADT PM registers
  *              THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
  *
  ******************************************************************************/
 
 ACPI_STATUS
-AcpiEnterSleepState (
-    UINT8                   SleepState)
+AcpiHwLegacySleep (
+    UINT8                   SleepState,
+    UINT8                   Flags)
 {
-    UINT32                  Pm1aControl;
-    UINT32                  Pm1bControl;
     ACPI_BIT_REGISTER_INFO  *SleepTypeRegInfo;
     ACPI_BIT_REGISTER_INFO  *SleepEnableRegInfo;
+    UINT32                  Pm1aControl;
+    UINT32                  Pm1bControl;
     UINT32                  InValue;
-    ACPI_OBJECT_LIST        ArgList;
-    ACPI_OBJECT             Arg;
     ACPI_STATUS             Status;
 
 
-    ACPI_FUNCTION_TRACE (AcpiEnterSleepState);
+    ACPI_FUNCTION_TRACE (HwLegacySleep);
 
 
-    if ((AcpiGbl_SleepTypeA > ACPI_SLEEP_TYPE_MAX) ||
-        (AcpiGbl_SleepTypeB > ACPI_SLEEP_TYPE_MAX))
-    {
-        ACPI_ERROR ((AE_INFO, "Sleep values out of range: A=0x%X B=0x%X",
-            AcpiGbl_SleepTypeA, AcpiGbl_SleepTypeB));
-        return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
-    }
-
-    SleepTypeRegInfo   = AcpiHwGetBitRegisterInfo (ACPI_BITREG_SLEEP_TYPE);
+    SleepTypeRegInfo = AcpiHwGetBitRegisterInfo (ACPI_BITREG_SLEEP_TYPE);
     SleepEnableRegInfo = AcpiHwGetBitRegisterInfo (ACPI_BITREG_SLEEP_ENABLE);
 
     /* Clear wake status */
@@ -302,17 +130,11 @@ AcpiEnterSleepState (
         return_ACPI_STATUS (Status);
     }
 
-    /* Execute the _GTS method (Going To Sleep) */
-
-    ArgList.Count = 1;
-    ArgList.Pointer = &Arg;
-    Arg.Type = ACPI_TYPE_INTEGER;
-    Arg.Integer.Value = SleepState;
+    /* Optionally execute _GTS (Going To Sleep) */
 
-    Status = AcpiEvaluateObject (NULL, METHOD_NAME__GTS, &ArgList, NULL);
-    if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
+    if (Flags & ACPI_EXECUTE_GTS)
     {
-        return_ACPI_STATUS (Status);
+        AcpiHwExecuteSleepMethod (METHOD_PATHNAME__GTS, SleepState);
     }
 
     /* Get current value of PM1A control */
@@ -390,7 +212,7 @@ AcpiEnterSleepState (
         }
     }
 
-    /* Wait until we enter sleep state */
+    /* Wait for transition back to Working State */
 
     do
     {
@@ -400,110 +222,32 @@ AcpiEnterSleepState (
             return_ACPI_STATUS (Status);
         }
 
-        /* Spin until we wake */
-
     } while (!InValue);
 
     return_ACPI_STATUS (AE_OK);
 }
 
-ACPI_EXPORT_SYMBOL (AcpiEnterSleepState)
-
 
 /*******************************************************************************
  *
- * FUNCTION:    AcpiEnterSleepStateS4bios
- *
- * PARAMETERS:  None
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Perform a S4 bios request.
- *              THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiEnterSleepStateS4bios (
-    void)
-{
-    UINT32                  InValue;
-    ACPI_STATUS             Status;
-
-
-    ACPI_FUNCTION_TRACE (AcpiEnterSleepStateS4bios);
-
-
-    /* Clear the wake status bit (PM1) */
-
-    Status = AcpiWriteBitRegister (ACPI_BITREG_WAKE_STATUS, ACPI_CLEAR_STATUS);
-    if (ACPI_FAILURE (Status))
-    {
-        return_ACPI_STATUS (Status);
-    }
-
-    Status = AcpiHwClearAcpiStatus ();
-    if (ACPI_FAILURE (Status))
-    {
-        return_ACPI_STATUS (Status);
-    }
-
-    /*
-     * 1) Disable/Clear all GPEs
-     * 2) Enable all wakeup GPEs
-     */
-    Status = AcpiHwDisableAllGpes ();
-    if (ACPI_FAILURE (Status))
-    {
-        return_ACPI_STATUS (Status);
-    }
-    AcpiGbl_SystemAwakeAndRunning = FALSE;
-
-    Status = AcpiHwEnableAllWakeupGpes ();
-    if (ACPI_FAILURE (Status))
-    {
-        return_ACPI_STATUS (Status);
-    }
-
-    ACPI_FLUSH_CPU_CACHE ();
-
-    Status = AcpiHwWritePort (AcpiGbl_FADT.SmiCommand,
-                (UINT32) AcpiGbl_FADT.S4BiosRequest, 8);
-
-    do {
-        AcpiOsStall(1000);
-        Status = AcpiReadBitRegister (ACPI_BITREG_WAKE_STATUS, &InValue);
-        if (ACPI_FAILURE (Status))
-        {
-            return_ACPI_STATUS (Status);
-        }
-    } while (!InValue);
-
-    return_ACPI_STATUS (AE_OK);
-}
-
-ACPI_EXPORT_SYMBOL (AcpiEnterSleepStateS4bios)
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiLeaveSleepState
+ * FUNCTION:    AcpiHwLegacyWakePrep
  *
  * PARAMETERS:  SleepState          - Which sleep state we just exited
+ *              Flags               - ACPI_EXECUTE_BFS to run optional method
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Perform OS-independent ACPI cleanup after a sleep
+ * DESCRIPTION: Perform the first state of OS-independent ACPI cleanup after a
+ *              sleep.
  *              Called with interrupts ENABLED.
  *
  ******************************************************************************/
 
 ACPI_STATUS
-AcpiLeaveSleepState (
-    UINT8                   SleepState)
+AcpiHwLegacyWakePrep (
+    UINT8                   SleepState,
+    UINT8                   Flags)
 {
-    ACPI_OBJECT_LIST        ArgList;
-    ACPI_OBJECT             Arg;
     ACPI_STATUS             Status;
     ACPI_BIT_REGISTER_INFO  *SleepTypeRegInfo;
     ACPI_BIT_REGISTER_INFO  *SleepEnableRegInfo;
@@ -511,8 +255,7 @@ AcpiLeaveSleepState (
     UINT32                  Pm1bControl;
 
 
-    ACPI_FUNCTION_TRACE (AcpiLeaveSleepState);
-
+    ACPI_FUNCTION_TRACE (HwLegacyWakePrep);
 
     /*
      * Set SLP_TYPE and SLP_EN to state S0.
@@ -553,40 +296,50 @@ AcpiLeaveSleepState (
         }
     }
 
-    /* Ensure EnterSleepStatePrep -> EnterSleepState ordering */
+    /* Optionally execute _BFS (Back From Sleep) */
 
-    AcpiGbl_SleepTypeA = ACPI_SLEEP_TYPE_INVALID;
+    if (Flags & ACPI_EXECUTE_BFS)
+    {
+        AcpiHwExecuteSleepMethod (METHOD_PATHNAME__BFS, SleepState);
+    }
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiHwLegacyWake
+ *
+ * PARAMETERS:  SleepState          - Which sleep state we just exited
+ *              Flags               - Reserved, set to zero
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Perform OS-independent ACPI cleanup after a sleep
+ *              Called with interrupts ENABLED.
+ *
+ ******************************************************************************/
 
-    /* Setup parameter object */
+ACPI_STATUS
+AcpiHwLegacyWake (
+    UINT8                   SleepState,
+    UINT8                   Flags)
+{
+    ACPI_STATUS             Status;
 
-    ArgList.Count = 1;
-    ArgList.Pointer = &Arg;
-    Arg.Type = ACPI_TYPE_INTEGER;
 
-    /* Ignore any errors from these methods */
+    ACPI_FUNCTION_TRACE (HwLegacyWake);
 
-    Arg.Integer.Value = ACPI_SST_WAKING;
-    Status = AcpiEvaluateObject (NULL, METHOD_NAME__SST, &ArgList, NULL);
-    if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
-    {
-        ACPI_EXCEPTION ((AE_INFO, Status, "During Method _SST"));
-    }
 
-    Arg.Integer.Value = SleepState;
-    Status = AcpiEvaluateObject (NULL, METHOD_NAME__BFS, &ArgList, NULL);
-    if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
-    {
-        ACPI_EXCEPTION ((AE_INFO, Status, "During Method _BFS"));
-    }
+    /* Ensure EnterSleepStatePrep -> EnterSleepState ordering */
 
-    Status = AcpiEvaluateObject (NULL, METHOD_NAME__WAK, &ArgList, NULL);
-    if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
-    {
-        ACPI_EXCEPTION ((AE_INFO, Status, "During Method _WAK"));
-    }
-    /* TBD: _WAK "sometimes" returns stuff - do we want to look at it? */
+    AcpiGbl_SleepTypeA = ACPI_SLEEP_TYPE_INVALID;
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__SST, ACPI_SST_WAKING);
 
     /*
+     * GPEs must be enabled before _WAK is called as GPEs
+     * might get fired there
+     *
      * Restore the GPEs:
      * 1) Disable/Clear all GPEs
      * 2) Enable all runtime GPEs
@@ -596,7 +349,6 @@ AcpiLeaveSleepState (
     {
         return_ACPI_STATUS (Status);
     }
-    AcpiGbl_SystemAwakeAndRunning = TRUE;
 
     Status = AcpiHwEnableAllRuntimeGpes ();
     if (ACPI_FAILURE (Status))
@@ -604,6 +356,20 @@ AcpiLeaveSleepState (
         return_ACPI_STATUS (Status);
     }
 
+    /*
+     * Now we can execute _WAK, etc. Some machines require that the GPEs
+     * are enabled before the wake methods are executed.
+     */
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__WAK, SleepState);
+
+    /*
+     * Some BIOS code assumes that WAK_STS will be cleared on resume
+     * and use it to determine whether the system is rebooting or
+     * resuming. Clear WAK_STS for compatibility.
+     */
+    (void) AcpiWriteBitRegister (ACPI_BITREG_WAKE_STATUS, ACPI_CLEAR_STATUS);
+    AcpiGbl_SystemAwakeAndRunning = TRUE;
+
     /* Enable power button */
 
     (void) AcpiWriteBitRegister(
@@ -625,15 +391,8 @@ AcpiLeaveSleepState (
         return_ACPI_STATUS (Status);
     }
 
-    Arg.Integer.Value = ACPI_SST_WORKING;
-    Status = AcpiEvaluateObject (NULL, METHOD_NAME__SST, &ArgList, NULL);
-    if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
-    {
-        ACPI_EXCEPTION ((AE_INFO, Status, "During Method _SST"));
-    }
-
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__SST, ACPI_SST_WORKING);
     return_ACPI_STATUS (Status);
 }
 
-ACPI_EXPORT_SYMBOL (AcpiLeaveSleepState)
-
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/usr/src/uts/intel/io/acpica/hardware/hwtimer.c b/usr/src/uts/intel/io/acpica/hardware/hwtimer.c
index faf6770283..15dc58f0bf 100644
--- a/usr/src/uts/intel/io/acpica/hardware/hwtimer.c
+++ b/usr/src/uts/intel/io/acpica/hardware/hwtimer.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,6 +49,7 @@
         ACPI_MODULE_NAME    ("hwtimer")
 
 
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
 /******************************************************************************
  *
  * FUNCTION:    AcpiGetTimerResolution
@@ -214,3 +215,4 @@ AcpiGetTimerDuration (
 
 ACPI_EXPORT_SYMBOL (AcpiGetTimerDuration)
 
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/usr/src/uts/intel/io/acpica/hardware/hwvalid.c b/usr/src/uts/intel/io/acpica/hardware/hwvalid.c
index 869c9f18fd..4462434bbf 100644
--- a/usr/src/uts/intel/io/acpica/hardware/hwvalid.c
+++ b/usr/src/uts/intel/io/acpica/hardware/hwvalid.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -149,6 +149,8 @@ AcpiHwValidateIoRequest (
         (BitWidth != 16) &&
         (BitWidth != 32))
     {
+        ACPI_ERROR ((AE_INFO,
+            "Bad BitWidth parameter: %8.8X", BitWidth));
         return (AE_BAD_PARAMETER);
     }
 
diff --git a/usr/src/uts/intel/io/acpica/hardware/hwxface.c b/usr/src/uts/intel/io/acpica/hardware/hwxface.c
index f26c511ec8..3fec9b566f 100644
--- a/usr/src/uts/intel/io/acpica/hardware/hwxface.c
+++ b/usr/src/uts/intel/io/acpica/hardware/hwxface.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -154,12 +154,6 @@ AcpiRead (
         return (Status);
     }
 
-    Width = Reg->BitWidth;
-    if (Width == 64)
-    {
-        Width = 32; /* Break into two 32-bit transfers */
-    }
-
     /* Initialize entire 64-bit return value to zero */
 
     *ReturnValue = 0;
@@ -172,28 +166,20 @@ AcpiRead (
     if (Reg->SpaceId == ACPI_ADR_SPACE_SYSTEM_MEMORY)
     {
         Status = AcpiOsReadMemory ((ACPI_PHYSICAL_ADDRESS)
-                    Address, &Value, Width);
+                    Address, ReturnValue, Reg->BitWidth);
         if (ACPI_FAILURE (Status))
         {
             return (Status);
         }
-        *ReturnValue = Value;
-
-        if (Reg->BitWidth == 64)
-        {
-            /* Read the top 32 bits */
-
-            Status = AcpiOsReadMemory ((ACPI_PHYSICAL_ADDRESS)
-                        (Address + 4), &Value, 32);
-            if (ACPI_FAILURE (Status))
-            {
-                return (Status);
-            }
-            *ReturnValue |= ((UINT64) Value << 32);
-        }
     }
     else /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
     {
+        Width = Reg->BitWidth;
+        if (Width == 64)
+        {
+            Width = 32; /* Break into two 32-bit transfers */
+        }
+
         Status = AcpiHwReadPort ((ACPI_IO_ADDRESS)
                     Address, &Value, Width);
         if (ACPI_FAILURE (Status))
@@ -262,12 +248,6 @@ AcpiWrite (
         return (Status);
     }
 
-    Width = Reg->BitWidth;
-    if (Width == 64)
-    {
-        Width = 32; /* Break into two 32-bit transfers */
-    }
-
     /*
      * Two address spaces supported: Memory or IO. PCI_Config is
      * not supported here because the GAS structure is insufficient
@@ -275,24 +255,20 @@ AcpiWrite (
     if (Reg->SpaceId == ACPI_ADR_SPACE_SYSTEM_MEMORY)
     {
         Status = AcpiOsWriteMemory ((ACPI_PHYSICAL_ADDRESS)
-                    Address, ACPI_LODWORD (Value), Width);
+                    Address, Value, Reg->BitWidth);
         if (ACPI_FAILURE (Status))
         {
             return (Status);
         }
-
-        if (Reg->BitWidth == 64)
-        {
-            Status = AcpiOsWriteMemory ((ACPI_PHYSICAL_ADDRESS)
-                        (Address + 4), ACPI_HIDWORD (Value), 32);
-            if (ACPI_FAILURE (Status))
-            {
-                return (Status);
-            }
-        }
     }
     else /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
     {
+        Width = Reg->BitWidth;
+        if (Width == 64)
+        {
+            Width = 32; /* Break into two 32-bit transfers */
+        }
+
         Status = AcpiHwWritePort ((ACPI_IO_ADDRESS)
                     Address, ACPI_LODWORD (Value), Width);
         if (ACPI_FAILURE (Status))
@@ -323,6 +299,7 @@ AcpiWrite (
 ACPI_EXPORT_SYMBOL (AcpiWrite)
 
 
+#if (!ACPI_REDUCED_HARDWARE)
 /*******************************************************************************
  *
  * FUNCTION:    AcpiReadBitRegister
@@ -505,6 +482,8 @@ UnlockAndExit:
 
 ACPI_EXPORT_SYMBOL (AcpiWriteBitRegister)
 
+#endif /* !ACPI_REDUCED_HARDWARE */
+
 
 /*******************************************************************************
  *
diff --git a/usr/src/uts/intel/io/acpica/hardware/hwxfsleep.c b/usr/src/uts/intel/io/acpica/hardware/hwxfsleep.c
new file mode 100644
index 0000000000..b7cbbc813e
--- /dev/null
+++ b/usr/src/uts/intel/io/acpica/hardware/hwxfsleep.c
@@ -0,0 +1,478 @@
+/******************************************************************************
+ *
+ * Name: hwxfsleep.c - ACPI Hardware Sleep/Wake External Interfaces
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include "acpi.h"
+#include "accommon.h"
+
+#define _COMPONENT          ACPI_HARDWARE
+        ACPI_MODULE_NAME    ("hwxfsleep")
+
+/* Local prototypes */
+
+static ACPI_STATUS
+AcpiHwSleepDispatch (
+    UINT8                   SleepState,
+    UINT8                   Flags,
+    UINT32                  FunctionId);
+
+/*
+ * Dispatch table used to efficiently branch to the various sleep
+ * functions.
+ */
+#define ACPI_SLEEP_FUNCTION_ID          0
+#define ACPI_WAKE_PREP_FUNCTION_ID      1
+#define ACPI_WAKE_FUNCTION_ID           2
+
+/* Legacy functions are optional, based upon ACPI_REDUCED_HARDWARE */
+
+static ACPI_SLEEP_FUNCTIONS         AcpiSleepDispatch[] =
+{
+    {ACPI_HW_OPTIONAL_FUNCTION (AcpiHwLegacySleep),    AcpiHwExtendedSleep},
+    {ACPI_HW_OPTIONAL_FUNCTION (AcpiHwLegacyWakePrep), AcpiHwExtendedWakePrep},
+    {ACPI_HW_OPTIONAL_FUNCTION (AcpiHwLegacyWake),     AcpiHwExtendedWake}
+};
+
+
+/*
+ * These functions are removed for the ACPI_REDUCED_HARDWARE case:
+ *      AcpiSetFirmwareWakingVector
+ *      AcpiSetFirmwareWakingVector64
+ *      AcpiEnterSleepStateS4bios
+ */
+
+#if (!ACPI_REDUCED_HARDWARE)
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiSetFirmwareWakingVector
+ *
+ * PARAMETERS:  PhysicalAddress     - 32-bit physical address of ACPI real mode
+ *                                    entry point.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Sets the 32-bit FirmwareWakingVector field of the FACS
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiSetFirmwareWakingVector (
+    UINT32                  PhysicalAddress)
+{
+    ACPI_FUNCTION_TRACE (AcpiSetFirmwareWakingVector);
+
+
+    /* Set the 32-bit vector */
+
+    AcpiGbl_FACS->FirmwareWakingVector = PhysicalAddress;
+
+    /* Clear the 64-bit vector if it exists */
+
+    if ((AcpiGbl_FACS->Length > 32) && (AcpiGbl_FACS->Version >= 1))
+    {
+        AcpiGbl_FACS->XFirmwareWakingVector = 0;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiSetFirmwareWakingVector)
+
+
+#if ACPI_MACHINE_WIDTH == 64
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiSetFirmwareWakingVector64
+ *
+ * PARAMETERS:  PhysicalAddress     - 64-bit physical address of ACPI protected
+ *                                    mode entry point.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Sets the 64-bit X_FirmwareWakingVector field of the FACS, if
+ *              it exists in the table. This function is intended for use with
+ *              64-bit host operating systems.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiSetFirmwareWakingVector64 (
+    UINT64                  PhysicalAddress)
+{
+    ACPI_FUNCTION_TRACE (AcpiSetFirmwareWakingVector64);
+
+
+    /* Determine if the 64-bit vector actually exists */
+
+    if ((AcpiGbl_FACS->Length <= 32) || (AcpiGbl_FACS->Version < 1))
+    {
+        return_ACPI_STATUS (AE_NOT_EXIST);
+    }
+
+    /* Clear 32-bit vector, set the 64-bit X_ vector */
+
+    AcpiGbl_FACS->FirmwareWakingVector = 0;
+    AcpiGbl_FACS->XFirmwareWakingVector = PhysicalAddress;
+    return_ACPI_STATUS (AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiSetFirmwareWakingVector64)
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEnterSleepStateS4bios
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Perform a S4 bios request.
+ *              THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEnterSleepStateS4bios (
+    void)
+{
+    UINT32                  InValue;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (AcpiEnterSleepStateS4bios);
+
+
+    /* Clear the wake status bit (PM1) */
+
+    Status = AcpiWriteBitRegister (ACPI_BITREG_WAKE_STATUS, ACPI_CLEAR_STATUS);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiHwClearAcpiStatus ();
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * 1) Disable/Clear all GPEs
+     * 2) Enable all wakeup GPEs
+     */
+    Status = AcpiHwDisableAllGpes ();
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+    AcpiGbl_SystemAwakeAndRunning = FALSE;
+
+    Status = AcpiHwEnableAllWakeupGpes ();
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    ACPI_FLUSH_CPU_CACHE ();
+
+    Status = AcpiHwWritePort (AcpiGbl_FADT.SmiCommand,
+                (UINT32) AcpiGbl_FADT.S4BiosRequest, 8);
+
+    do {
+        AcpiOsStall(1000);
+        Status = AcpiReadBitRegister (ACPI_BITREG_WAKE_STATUS, &InValue);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    } while (!InValue);
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiEnterSleepStateS4bios)
+
+#endif /* !ACPI_REDUCED_HARDWARE */
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiHwSleepDispatch
+ *
+ * PARAMETERS:  SleepState          - Which sleep state to enter/exit
+ *              FunctionId          - Sleep, WakePrep, or Wake
+ *
+ * RETURN:      Status from the invoked sleep handling function.
+ *
+ * DESCRIPTION: Dispatch a sleep/wake request to the appropriate handling
+ *              function.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiHwSleepDispatch (
+    UINT8                   SleepState,
+    UINT8                   Flags,
+    UINT32                  FunctionId)
+{
+    ACPI_STATUS             Status;
+    ACPI_SLEEP_FUNCTIONS    *SleepFunctions = &AcpiSleepDispatch[FunctionId];
+
+
+#if (!ACPI_REDUCED_HARDWARE)
+
+    /*
+     * If the Hardware Reduced flag is set (from the FADT), we must
+     * use the extended sleep registers
+     */
+    if (AcpiGbl_ReducedHardware ||
+        AcpiGbl_FADT.SleepControl.Address)
+    {
+        Status = SleepFunctions->ExtendedFunction (SleepState, Flags);
+    }
+    else
+    {
+        /* Legacy sleep */
+
+        Status = SleepFunctions->LegacyFunction (SleepState, Flags);
+    }
+
+    return (Status);
+
+#else
+    /*
+     * For the case where reduced-hardware-only code is being generated,
+     * we know that only the extended sleep registers are available
+     */
+    Status = SleepFunctions->ExtendedFunction (SleepState, Flags);
+    return (Status);
+
+#endif /* !ACPI_REDUCED_HARDWARE */
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEnterSleepStatePrep
+ *
+ * PARAMETERS:  SleepState          - Which sleep state to enter
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Prepare to enter a system sleep state.
+ *              This function must execute with interrupts enabled.
+ *              We break sleeping into 2 stages so that OSPM can handle
+ *              various OS-specific tasks between the two steps.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEnterSleepStatePrep (
+    UINT8                   SleepState)
+{
+    ACPI_STATUS             Status;
+    ACPI_OBJECT_LIST        ArgList;
+    ACPI_OBJECT             Arg;
+    UINT32                  SstValue;
+
+
+    ACPI_FUNCTION_TRACE (AcpiEnterSleepStatePrep);
+
+
+    Status = AcpiGetSleepTypeData (SleepState,
+                    &AcpiGbl_SleepTypeA, &AcpiGbl_SleepTypeB);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Execute the _PTS method (Prepare To Sleep) */
+
+    ArgList.Count = 1;
+    ArgList.Pointer = &Arg;
+    Arg.Type = ACPI_TYPE_INTEGER;
+    Arg.Integer.Value = SleepState;
+
+    Status = AcpiEvaluateObject (NULL, METHOD_PATHNAME__PTS, &ArgList, NULL);
+    if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Setup the argument to the _SST method (System STatus) */
+
+    switch (SleepState)
+    {
+    case ACPI_STATE_S0:
+        SstValue = ACPI_SST_WORKING;
+        break;
+
+    case ACPI_STATE_S1:
+    case ACPI_STATE_S2:
+    case ACPI_STATE_S3:
+        SstValue = ACPI_SST_SLEEPING;
+        break;
+
+    case ACPI_STATE_S4:
+        SstValue = ACPI_SST_SLEEP_CONTEXT;
+        break;
+
+    default:
+        SstValue = ACPI_SST_INDICATOR_OFF; /* Default is off */
+        break;
+    }
+
+    /*
+     * Set the system indicators to show the desired sleep state.
+     * _SST is an optional method (return no error if not found)
+     */
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__SST, SstValue);
+    return_ACPI_STATUS (AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiEnterSleepStatePrep)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEnterSleepState
+ *
+ * PARAMETERS:  SleepState          - Which sleep state to enter
+ *              Flags               - ACPI_EXECUTE_GTS to run optional method
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Enter a system sleep state
+ *              THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEnterSleepState (
+    UINT8                   SleepState,
+    UINT8                   Flags)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (AcpiEnterSleepState);
+
+
+    if ((AcpiGbl_SleepTypeA > ACPI_SLEEP_TYPE_MAX) ||
+        (AcpiGbl_SleepTypeB > ACPI_SLEEP_TYPE_MAX))
+    {
+        ACPI_ERROR ((AE_INFO, "Sleep values out of range: A=0x%X B=0x%X",
+            AcpiGbl_SleepTypeA, AcpiGbl_SleepTypeB));
+        return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
+    }
+
+    Status = AcpiHwSleepDispatch (SleepState, Flags, ACPI_SLEEP_FUNCTION_ID);
+    return_ACPI_STATUS (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiEnterSleepState)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiLeaveSleepStatePrep
+ *
+ * PARAMETERS:  SleepState          - Which sleep state we are exiting
+ *              Flags               - ACPI_EXECUTE_BFS to run optional method
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Perform the first state of OS-independent ACPI cleanup after a
+ *              sleep. Called with interrupts DISABLED.
+ *              We break wake/resume into 2 stages so that OSPM can handle
+ *              various OS-specific tasks between the two steps.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiLeaveSleepStatePrep (
+    UINT8                   SleepState,
+    UINT8                   Flags)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (AcpiLeaveSleepStatePrep);
+
+
+    Status = AcpiHwSleepDispatch (SleepState, Flags, ACPI_WAKE_PREP_FUNCTION_ID);
+    return_ACPI_STATUS (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiLeaveSleepStatePrep)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiLeaveSleepState
+ *
+ * PARAMETERS:  SleepState          - Which sleep state we are exiting
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Perform OS-independent ACPI cleanup after a sleep
+ *              Called with interrupts ENABLED.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiLeaveSleepState (
+    UINT8                   SleepState)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (AcpiLeaveSleepState);
+
+
+    Status = AcpiHwSleepDispatch (SleepState, 0, ACPI_WAKE_FUNCTION_ID);
+    return_ACPI_STATUS (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiLeaveSleepState)
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsaccess.c b/usr/src/uts/intel/io/acpica/namespace/nsaccess.c
index 1bb2b4b6e6..9dfa76fb08 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nsaccess.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nsaccess.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsalloc.c b/usr/src/uts/intel/io/acpica/namespace/nsalloc.c
index ac12ba4faf..c7e83e0eb4 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nsalloc.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nsalloc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsdump.c b/usr/src/uts/intel/io/acpica/namespace/nsdump.c
index 58137abbc5..6b7c505779 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nsdump.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nsdump.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -270,7 +270,21 @@ AcpiNsDumpOneObject (
 
         if (!ObjDesc)
         {
-            /* No attached object, we are done */
+            /* No attached object. Some types should always have an object */
+
+            switch (Type)
+            {
+            case ACPI_TYPE_INTEGER:
+            case ACPI_TYPE_PACKAGE:
+            case ACPI_TYPE_BUFFER:
+            case ACPI_TYPE_STRING:
+            case ACPI_TYPE_METHOD:
+                AcpiOsPrintf ("<No attached object>");
+                break;
+
+            default:
+                break;
+            }
 
             AcpiOsPrintf ("\n");
             return (AE_OK);
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsdumpdv.c b/usr/src/uts/intel/io/acpica/namespace/nsdumpdv.c
index 11aab7a3a9..9d30886608 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nsdumpdv.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nsdumpdv.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -141,7 +141,7 @@ AcpiNsDumpRootDevices (
         return;
     }
 
-    Status = AcpiGetHandle (NULL, ACPI_NS_SYSTEM_BUS, &SysBusHandle);
+    Status = AcpiGetHandle (NULL, METHOD_NAME__SB_, &SysBusHandle);
     if (ACPI_FAILURE (Status))
     {
         return;
diff --git a/usr/src/uts/intel/io/acpica/namespace/nseval.c b/usr/src/uts/intel/io/acpica/namespace/nseval.c
index c376ac7213..0183f7e774 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nseval.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nseval.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsinit.c b/usr/src/uts/intel/io/acpica/namespace/nsinit.c
index 1822bf519f..f3907aafb3 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nsinit.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nsinit.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsload.c b/usr/src/uts/intel/io/acpica/namespace/nsload.c
index 5825f6bc9d..3ef33f9ce9 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nsload.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nsload.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsnames.c b/usr/src/uts/intel/io/acpica/namespace/nsnames.c
index e59b2e9569..f70900da1d 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nsnames.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nsnames.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsobject.c b/usr/src/uts/intel/io/acpica/namespace/nsobject.c
index dadd2e8d98..9b219a5624 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nsobject.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nsobject.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsparse.c b/usr/src/uts/intel/io/acpica/namespace/nsparse.c
index 983697eaaf..2c768c0b69 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nsparse.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nsparse.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/namespace/nspredef.c b/usr/src/uts/intel/io/acpica/namespace/nspredef.c
index 95c3edf04d..3a61aa3666 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nspredef.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nspredef.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -216,14 +216,20 @@ AcpiNsCheckPredefinedNames (
     }
 
     /*
-     * 1) We have a return value, but if one wasn't expected, just exit, this is
-     * not a problem. For example, if the "Implicit Return" feature is
-     * enabled, methods will always return a value.
+     * Return value validation and possible repair.
      *
-     * 2) If the return value can be of any type, then we cannot perform any
-     * validation, exit.
+     * 1) Don't perform return value validation/repair if this feature
+     * has been disabled via a global option.
+     *
+     * 2) We have a return value, but if one wasn't expected, just exit,
+     * this is not a problem. For example, if the "Implicit Return"
+     * feature is enabled, methods will always return a value.
+     *
+     * 3) If the return value can be of any type, then we cannot perform
+     * any validation, just exit.
      */
-    if ((!Predefined->Info.ExpectedBtypes) ||
+    if (AcpiGbl_DisableAutoRepair ||
+        (!Predefined->Info.ExpectedBtypes) ||
         (Predefined->Info.ExpectedBtypes == ACPI_RTYPE_ALL))
     {
         goto Cleanup;
@@ -237,6 +243,7 @@ AcpiNsCheckPredefinedNames (
         goto Cleanup;
     }
     Data->Predefined = Predefined;
+    Data->Node = Node;
     Data->NodeFlags = Node->Flags;
     Data->Pathname = Pathname;
 
@@ -658,6 +665,7 @@ AcpiNsCheckPackage (
     case ACPI_PTYPE2_FIXED:
     case ACPI_PTYPE2_MIN:
     case ACPI_PTYPE2_COUNT:
+    case ACPI_PTYPE2_FIX_VAR:
 
         /*
          * These types all return a single Package that consists of a
@@ -673,7 +681,7 @@ AcpiNsCheckPackage (
         {
             /* Create the new outer package and populate it */
 
-            Status = AcpiNsRepairPackageList (Data, ReturnObjectPtr);
+            Status = AcpiNsWrapWithPackage (Data, *Elements, ReturnObjectPtr);
             if (ACPI_FAILURE (Status))
             {
                 return (Status);
@@ -800,6 +808,29 @@ AcpiNsCheckPackageList (
             break;
 
 
+        case ACPI_PTYPE2_FIX_VAR:
+            /*
+             * Each subpackage has a fixed number of elements and an
+             * optional element
+             */
+            ExpectedCount = Package->RetInfo.Count1 + Package->RetInfo.Count2;
+            if (SubPackage->Package.Count < ExpectedCount)
+            {
+                goto PackageTooSmall;
+            }
+
+            Status = AcpiNsCheckPackageElements (Data, SubElements,
+                        Package->RetInfo.ObjectType1,
+                        Package->RetInfo.Count1,
+                        Package->RetInfo.ObjectType2,
+                        SubPackage->Package.Count - Package->RetInfo.Count1, 0);
+            if (ACPI_FAILURE (Status))
+            {
+                return (Status);
+            }
+            break;
+
+
         case ACPI_PTYPE2_FIXED:
 
             /* Each sub-package has a fixed length */
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsrepair.c b/usr/src/uts/intel/io/acpica/namespace/nsrepair.c
index be73953ded..be9d3e889d 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nsrepair.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nsrepair.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -74,11 +74,10 @@
  * Buffer  -> String
  * Buffer  -> Package of Integers
  * Package -> Package of one Package
+ * An incorrect standalone object is wrapped with required outer package
  *
  * Additional possible repairs:
- *
  * Required package elements that are NULL replaced by Integer/String/Buffer
- * Incorrect standalone package wrapped with required outer package
  *
  ******************************************************************************/
 
@@ -100,11 +99,6 @@ AcpiNsConvertToBuffer (
     ACPI_OPERAND_OBJECT     *OriginalObject,
     ACPI_OPERAND_OBJECT     **ReturnObject);
 
-static ACPI_STATUS
-AcpiNsConvertToPackage (
-    ACPI_OPERAND_OBJECT     *OriginalObject,
-    ACPI_OPERAND_OBJECT     **ReturnObject);
-
 
 /*******************************************************************************
  *
@@ -172,10 +166,24 @@ AcpiNsRepairObject (
     }
     if (ExpectedBtypes & ACPI_RTYPE_PACKAGE)
     {
-        Status = AcpiNsConvertToPackage (ReturnObject, &NewObject);
+        /*
+         * A package is expected. We will wrap the existing object with a
+         * new package object. It is often the case that if a variable-length
+         * package is required, but there is only a single object needed, the
+         * BIOS will return that object instead of wrapping it with a Package
+         * object. Note: after the wrapping, the package will be validated
+         * for correct contents (expected object type or types).
+         */
+        Status = AcpiNsWrapWithPackage (Data, ReturnObject, &NewObject);
         if (ACPI_SUCCESS (Status))
         {
-            goto ObjectRepaired;
+            /*
+             * The original object just had its reference count
+             * incremented for being inserted into the new package.
+             */
+            *ReturnObjectPtr = NewObject;       /* New Package object */
+            Data->Flags |= ACPI_OBJECT_REPAIRED;
+            return (AE_OK);
         }
     }
 
@@ -188,24 +196,30 @@ ObjectRepaired:
 
     /* Object was successfully repaired */
 
-    /*
-     * If the original object is a package element, we need to:
-     * 1. Set the reference count of the new object to match the
-     *    reference count of the old object.
-     * 2. Decrement the reference count of the original object.
-     */
     if (PackageIndex != ACPI_NOT_PACKAGE_ELEMENT)
     {
-        NewObject->Common.ReferenceCount =
-            ReturnObject->Common.ReferenceCount;
-
-        if (ReturnObject->Common.ReferenceCount > 1)
+        /*
+         * The original object is a package element. We need to
+         * decrement the reference count of the original object,
+         * for removing it from the package.
+         *
+         * However, if the original object was just wrapped with a
+         * package object as part of the repair, we don't need to
+         * change the reference count.
+         */
+        if (!(Data->Flags & ACPI_OBJECT_WRAPPED))
         {
-            ReturnObject->Common.ReferenceCount--;
+            NewObject->Common.ReferenceCount =
+                ReturnObject->Common.ReferenceCount;
+
+            if (ReturnObject->Common.ReferenceCount > 1)
+            {
+                ReturnObject->Common.ReferenceCount--;
+            }
         }
 
         ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
-            "%s: Converted %s to expected %s at index %u\n",
+            "%s: Converted %s to expected %s at Package index %u\n",
             Data->Pathname, AcpiUtGetObjectTypeName (ReturnObject),
             AcpiUtGetObjectTypeName (NewObject), PackageIndex));
     }
@@ -498,71 +512,6 @@ AcpiNsConvertToBuffer (
 
 /*******************************************************************************
  *
- * FUNCTION:    AcpiNsConvertToPackage
- *
- * PARAMETERS:  OriginalObject      - Object to be converted
- *              ReturnObject        - Where the new converted object is returned
- *
- * RETURN:      Status. AE_OK if conversion was successful.
- *
- * DESCRIPTION: Attempt to convert a Buffer object to a Package. Each byte of
- *              the buffer is converted to a single integer package element.
- *
- ******************************************************************************/
-
-static ACPI_STATUS
-AcpiNsConvertToPackage (
-    ACPI_OPERAND_OBJECT     *OriginalObject,
-    ACPI_OPERAND_OBJECT     **ReturnObject)
-{
-    ACPI_OPERAND_OBJECT     *NewObject;
-    ACPI_OPERAND_OBJECT     **Elements;
-    UINT32                  Length;
-    UINT8                   *Buffer;
-
-
-    switch (OriginalObject->Common.Type)
-    {
-    case ACPI_TYPE_BUFFER:
-
-        /* Buffer-to-Package conversion */
-
-        Length = OriginalObject->Buffer.Length;
-        NewObject = AcpiUtCreatePackageObject (Length);
-        if (!NewObject)
-        {
-            return (AE_NO_MEMORY);
-        }
-
-        /* Convert each buffer byte to an integer package element */
-
-        Elements = NewObject->Package.Elements;
-        Buffer = OriginalObject->Buffer.Pointer;
-
-        while (Length--)
-        {
-            *Elements = AcpiUtCreateIntegerObject ((UINT64) *Buffer);
-            if (!*Elements)
-            {
-                AcpiUtRemoveReference (NewObject);
-                return (AE_NO_MEMORY);
-            }
-            Elements++;
-            Buffer++;
-        }
-        break;
-
-    default:
-        return (AE_AML_OPERAND_TYPE);
-    }
-
-    *ReturnObject = NewObject;
-    return (AE_OK);
-}
-
-
-/*******************************************************************************
- *
  * FUNCTION:    AcpiNsRepairNullElement
  *
  * PARAMETERS:  Data                - Pointer to validation data structure
@@ -696,6 +645,7 @@ AcpiNsRemoveNullElements (
     case ACPI_PTYPE2_FIXED:
     case ACPI_PTYPE2_MIN:
     case ACPI_PTYPE2_REV_FIXED:
+    case ACPI_PTYPE2_FIX_VAR:
         break;
 
     default:
@@ -744,42 +694,43 @@ AcpiNsRemoveNullElements (
 
 /*******************************************************************************
  *
- * FUNCTION:    AcpiNsRepairPackageList
+ * FUNCTION:    AcpiNsWrapWithPackage
  *
  * PARAMETERS:  Data                - Pointer to validation data structure
- *              ObjDescPtr          - Pointer to the object to repair. The new
- *                                    package object is returned here,
- *                                    overwriting the old object.
+ *              OriginalObject      - Pointer to the object to repair.
+ *              ObjDescPtr          - The new package object is returned here
  *
  * RETURN:      Status, new object in *ObjDescPtr
  *
- * DESCRIPTION: Repair a common problem with objects that are defined to return
- *              a variable-length Package of Packages. If the variable-length
- *              is one, some BIOS code mistakenly simply declares a single
- *              Package instead of a Package with one sub-Package. This
- *              function attempts to repair this error by wrapping a Package
- *              object around the original Package, creating the correct
- *              Package with one sub-Package.
+ * DESCRIPTION: Repair a common problem with objects that are defined to
+ *              return a variable-length Package of sub-objects. If there is
+ *              only one sub-object, some BIOS code mistakenly simply declares
+ *              the single object instead of a Package with one sub-object.
+ *              This function attempts to repair this error by wrapping a
+ *              Package object around the original object, creating the
+ *              correct and expected Package with one sub-object.
  *
  *              Names that can be repaired in this manner include:
- *              _ALR, _CSD, _HPX, _MLS, _PRT, _PSS, _TRT, TSS
+ *              _ALR, _CSD, _HPX, _MLS, _PLD, _PRT, _PSS, _TRT, _TSS,
+ *              _BCL, _DOD, _FIX, _Sx
  *
  ******************************************************************************/
 
 ACPI_STATUS
-AcpiNsRepairPackageList (
+AcpiNsWrapWithPackage (
     ACPI_PREDEFINED_DATA    *Data,
+    ACPI_OPERAND_OBJECT     *OriginalObject,
     ACPI_OPERAND_OBJECT     **ObjDescPtr)
 {
     ACPI_OPERAND_OBJECT     *PkgObjDesc;
 
 
-    ACPI_FUNCTION_NAME (NsRepairPackageList);
+    ACPI_FUNCTION_NAME (NsWrapWithPackage);
 
 
     /*
      * Create the new outer package and populate it. The new package will
-     * have a single element, the lone subpackage.
+     * have a single element, the lone sub-object.
      */
     PkgObjDesc = AcpiUtCreatePackageObject (1);
     if (!PkgObjDesc)
@@ -787,15 +738,15 @@ AcpiNsRepairPackageList (
         return (AE_NO_MEMORY);
     }
 
-    PkgObjDesc->Package.Elements[0] = *ObjDescPtr;
+    PkgObjDesc->Package.Elements[0] = OriginalObject;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
+        "%s: Wrapped %s with expected Package object\n",
+        Data->Pathname, AcpiUtGetObjectTypeName (OriginalObject)));
 
     /* Return the new object in the object pointer */
 
     *ObjDescPtr = PkgObjDesc;
-    Data->Flags |= ACPI_OBJECT_REPAIRED;
-
-    ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
-        "%s: Repaired incorrectly formed Package\n", Data->Pathname));
-
+    Data->Flags |= ACPI_OBJECT_REPAIRED | ACPI_OBJECT_WRAPPED;
     return (AE_OK);
 }
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsrepair2.c b/usr/src/uts/intel/io/acpica/namespace/nsrepair2.c
index 4c9c6d7825..a6a4d6874d 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nsrepair2.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nsrepair2.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -516,11 +516,12 @@ AcpiNsRepair_HID (
     }
 
     /*
-     * Copy and uppercase the string. From the ACPI specification:
+     * Copy and uppercase the string. From the ACPI 5.0 specification:
      *
      * A valid PNP ID must be of the form "AAA####" where A is an uppercase
      * letter and # is a hex digit. A valid ACPI ID must be of the form
-     * "ACPI####" where # is a hex digit.
+     * "NNNN####" where N is an uppercase letter or decimal digit, and
+     * # is a hex digit.
      */
     for (Dest = NewString->String.Pointer; *Source; Dest++, Source++)
     {
@@ -555,8 +556,23 @@ AcpiNsRepair_TSS (
 {
     ACPI_OPERAND_OBJECT     *ReturnObject = *ReturnObjectPtr;
     ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node;
 
 
+    /*
+     * We can only sort the _TSS return package if there is no _PSS in the
+     * same scope. This is because if _PSS is present, the ACPI specification
+     * dictates that the _TSS Power Dissipation field is to be ignored, and
+     * therefore some BIOSs leave garbage values in the _TSS Power field(s).
+     * In this case, it is best to just return the _TSS package as-is.
+     * (May, 2011)
+     */
+    Status = AcpiNsGetNode (Data->Node, "^_PSS", ACPI_NS_NO_UPSEARCH, &Node);
+    if (ACPI_SUCCESS (Status))
+    {
+        return (AE_OK);
+    }
+
     Status = AcpiNsCheckSortedList (Data, ReturnObject, 5, 1,
                 ACPI_SORT_DESCENDING, "PowerDissipation");
 
diff --git a/usr/src/uts/intel/io/acpica/namespace/nssearch.c b/usr/src/uts/intel/io/acpica/namespace/nssearch.c
index 1951c2548b..d6f59ccbd1 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nssearch.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nssearch.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsutils.c b/usr/src/uts/intel/io/acpica/namespace/nsutils.c
index fad2a57c5e..43f734e819 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nsutils.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nsutils.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -405,7 +405,7 @@ AcpiNsBuildInternalName (
         if (!AcpiNsValidPathSeparator (*ExternalName) &&
             (*ExternalName != 0))
         {
-            return_ACPI_STATUS (AE_BAD_PARAMETER);
+            return_ACPI_STATUS (AE_BAD_PATHNAME);
         }
 
         /* Move on the next segment */
diff --git a/usr/src/uts/intel/io/acpica/namespace/nswalk.c b/usr/src/uts/intel/io/acpica/namespace/nswalk.c
index d44775212a..35c3e17896 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nswalk.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nswalk.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsxfeval.c b/usr/src/uts/intel/io/acpica/namespace/nsxfeval.c
index 0854cac9e9..5006588e85 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nsxfeval.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nsxfeval.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsxfname.c b/usr/src/uts/intel/io/acpica/namespace/nsxfname.c
index b0ccff5bdc..4690d09e90 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nsxfname.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nsxfname.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsxfobj.c b/usr/src/uts/intel/io/acpica/namespace/nsxfobj.c
index 9910248220..02f7777a39 100644
--- a/usr/src/uts/intel/io/acpica/namespace/nsxfobj.c
+++ b/usr/src/uts/intel/io/acpica/namespace/nsxfobj.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/osl.c b/usr/src/uts/intel/io/acpica/osl.c
index d5bfab754f..44f8d2f48f 100644
--- a/usr/src/uts/intel/io/acpica/osl.c
+++ b/usr/src/uts/intel/io/acpica/osl.c
@@ -22,7 +22,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
- * Copyright 2011 Joyent, Inc.  All rights reserved.
+ * Copyright 2012 Joyent, Inc.  All rights reserved.
  */
 /*
  * Copyright (c) 2009-2010, Intel Corporation.
@@ -315,6 +315,12 @@ AcpiOsTableOverride(ACPI_TABLE_HEADER *ExistingTable,
 	return (AE_OK);
 }
 
+ACPI_STATUS
+AcpiOsPhysicalTableOverride(ACPI_TABLE_HEADER *ExistingTable,
+    ACPI_PHYSICAL_ADDRESS *NewAddress, UINT32 *NewTableLength)
+{
+	return (AE_SUPPORT);
+}
 
 /*
  * ACPI semaphore implementation
@@ -883,7 +889,7 @@ AcpiOsWritePort(ACPI_IO_ADDRESS Address, UINT32 Value, UINT32 Width)
 
 
 static void
-osl_rw_memory(ACPI_PHYSICAL_ADDRESS Address, UINT32 *Value,
+osl_rw_memory(ACPI_PHYSICAL_ADDRESS Address, UINT64 *Value,
     UINT32 Width, int write)
 {
 	size_t	maplen = Width / 8;
@@ -902,6 +908,9 @@ osl_rw_memory(ACPI_PHYSICAL_ADDRESS Address, UINT32 *Value,
 	case 4:
 		OSL_RW(ptr, Value, uint32_t, write);
 		break;
+	case 8:
+		OSL_RW(ptr, Value, uint64_t, write);
+		break;
 	default:
 		cmn_err(CE_WARN, "!osl_rw_memory: invalid size %d",
 		    Width);
@@ -913,7 +922,7 @@ osl_rw_memory(ACPI_PHYSICAL_ADDRESS Address, UINT32 *Value,
 
 ACPI_STATUS
 AcpiOsReadMemory(ACPI_PHYSICAL_ADDRESS Address,
-		UINT32 *Value, UINT32 Width)
+		UINT64 *Value, UINT32 Width)
 {
 	osl_rw_memory(Address, Value, Width, 0);
 	return (AE_OK);
@@ -921,7 +930,7 @@ AcpiOsReadMemory(ACPI_PHYSICAL_ADDRESS Address,
 
 ACPI_STATUS
 AcpiOsWriteMemory(ACPI_PHYSICAL_ADDRESS Address,
-		UINT32 Value, UINT32 Width)
+		UINT64 Value, UINT32 Width)
 {
 	osl_rw_memory(Address, &Value, Width, 1);
 	return (AE_OK);
diff --git a/usr/src/uts/intel/io/acpica/parser/psargs.c b/usr/src/uts/intel/io/acpica/parser/psargs.c
index e383def11e..8140fdbb9d 100644
--- a/usr/src/uts/intel/io/acpica/parser/psargs.c
+++ b/usr/src/uts/intel/io/acpica/parser/psargs.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -531,37 +531,57 @@ static ACPI_PARSE_OBJECT *
 AcpiPsGetNextField (
     ACPI_PARSE_STATE        *ParserState)
 {
-    UINT32                  AmlOffset = (UINT32)
-                                ACPI_PTR_DIFF (ParserState->Aml,
-                                               ParserState->AmlStart);
+    UINT32                  AmlOffset;
     ACPI_PARSE_OBJECT       *Field;
+    ACPI_PARSE_OBJECT       *Arg = NULL;
     UINT16                  Opcode;
     UINT32                  Name;
+    UINT8                   AccessType;
+    UINT8                   AccessAttribute;
+    UINT8                   AccessLength;
+    UINT32                  PkgLength;
+    UINT8                   *PkgEnd;
+    UINT32                  BufferLength;
 
 
     ACPI_FUNCTION_TRACE (PsGetNextField);
 
 
+    AmlOffset = (UINT32) ACPI_PTR_DIFF (
+        ParserState->Aml, ParserState->AmlStart);
+
     /* Determine field type */
 
     switch (ACPI_GET8 (ParserState->Aml))
     {
-    default:
+    case AML_FIELD_OFFSET_OP:
 
-        Opcode = AML_INT_NAMEDFIELD_OP;
+        Opcode = AML_INT_RESERVEDFIELD_OP;
+        ParserState->Aml++;
         break;
 
-    case 0x00:
+    case AML_FIELD_ACCESS_OP:
 
-        Opcode = AML_INT_RESERVEDFIELD_OP;
+        Opcode = AML_INT_ACCESSFIELD_OP;
         ParserState->Aml++;
         break;
 
-    case 0x01:
+    case AML_FIELD_CONNECTION_OP:
 
-        Opcode = AML_INT_ACCESSFIELD_OP;
+        Opcode = AML_INT_CONNECTION_OP;
+        ParserState->Aml++;
+        break;
+
+    case AML_FIELD_EXT_ACCESS_OP:
+
+        Opcode = AML_INT_EXTACCESSFIELD_OP;
         ParserState->Aml++;
         break;
+
+    default:
+
+        Opcode = AML_INT_NAMEDFIELD_OP;
+        break;
     }
 
     /* Allocate a new field op */
@@ -601,17 +621,118 @@ AcpiPsGetNextField (
 
 
     case AML_INT_ACCESSFIELD_OP:
+    case AML_INT_EXTACCESSFIELD_OP:
 
         /*
          * Get AccessType and AccessAttrib and merge into the field Op
-         * AccessType is first operand, AccessAttribute is second
+         * AccessType is first operand, AccessAttribute is second. stuff
+         * these bytes into the node integer value for convenience.
          */
-        Field->Common.Value.Integer = (((UINT32) ACPI_GET8 (ParserState->Aml) << 8));
+
+        /* Get the two bytes (Type/Attribute) */
+
+        AccessType = ACPI_GET8 (ParserState->Aml);
         ParserState->Aml++;
-        Field->Common.Value.Integer |= ACPI_GET8 (ParserState->Aml);
+        AccessAttribute = ACPI_GET8 (ParserState->Aml);
         ParserState->Aml++;
+
+        Field->Common.Value.Integer = (UINT8) AccessType;
+        Field->Common.Value.Integer |= (UINT16) (AccessAttribute << 8);
+
+        /* This opcode has a third byte, AccessLength */
+
+        if (Opcode == AML_INT_EXTACCESSFIELD_OP)
+        {
+            AccessLength = ACPI_GET8 (ParserState->Aml);
+            ParserState->Aml++;
+
+            Field->Common.Value.Integer |= (UINT32) (AccessLength << 16);
+        }
         break;
 
+
+    case AML_INT_CONNECTION_OP:
+
+        /*
+         * Argument for Connection operator can be either a Buffer
+         * (resource descriptor), or a NameString.
+         */
+        if (ACPI_GET8 (ParserState->Aml) == AML_BUFFER_OP)
+        {
+            ParserState->Aml++;
+
+            PkgEnd = ParserState->Aml;
+            PkgLength = AcpiPsGetNextPackageLength (ParserState);
+            PkgEnd += PkgLength;
+
+            if (ParserState->Aml < PkgEnd)
+            {
+                /* Non-empty list */
+
+                Arg = AcpiPsAllocOp (AML_INT_BYTELIST_OP);
+                if (!Arg)
+                {
+                    AcpiPsFreeOp (Field);
+                    return_PTR (NULL);
+                }
+
+                /* Get the actual buffer length argument */
+
+                Opcode = ACPI_GET8 (ParserState->Aml);
+                ParserState->Aml++;
+
+                switch (Opcode)
+                {
+                case AML_BYTE_OP:       /* AML_BYTEDATA_ARG */
+                    BufferLength = ACPI_GET8 (ParserState->Aml);
+                    ParserState->Aml += 1;
+                    break;
+
+                case AML_WORD_OP:       /* AML_WORDDATA_ARG */
+                    BufferLength = ACPI_GET16 (ParserState->Aml);
+                    ParserState->Aml += 2;
+                    break;
+
+                case AML_DWORD_OP:      /* AML_DWORDATA_ARG */
+                    BufferLength = ACPI_GET32 (ParserState->Aml);
+                    ParserState->Aml += 4;
+                    break;
+
+                default:
+                    BufferLength = 0;
+                    break;
+                }
+
+                /* Fill in bytelist data */
+
+                Arg->Named.Value.Size = BufferLength;
+                Arg->Named.Data = ParserState->Aml;
+            }
+
+            /* Skip to End of byte data */
+
+            ParserState->Aml = PkgEnd;
+        }
+        else
+        {
+            Arg = AcpiPsAllocOp (AML_INT_NAMEPATH_OP);
+            if (!Arg)
+            {
+                AcpiPsFreeOp (Field);
+                return_PTR (NULL);
+            }
+
+            /* Get the Namestring argument */
+
+            Arg->Common.Value.Name = AcpiPsGetNextNamestring (ParserState);
+        }
+
+        /* Link the buffer/namestring to parent (CONNECTION_OP) */
+
+        AcpiPsAppendArg (Field, Arg);
+        break;
+
+
     default:
 
         /* Opcode was set in previous switch */
diff --git a/usr/src/uts/intel/io/acpica/parser/psloop.c b/usr/src/uts/intel/io/acpica/parser/psloop.c
index a98989e099..d578c7e36b 100644
--- a/usr/src/uts/intel/io/acpica/parser/psloop.c
+++ b/usr/src/uts/intel/io/acpica/parser/psloop.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/parser/psopcode.c b/usr/src/uts/intel/io/acpica/parser/psopcode.c
index 0d82976d7f..ef2257e86f 100644
--- a/usr/src/uts/intel/io/acpica/parser/psopcode.c
+++ b/usr/src/uts/intel/io/acpica/parser/psopcode.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -328,12 +328,17 @@ const ACPI_OPCODE_INFO    AcpiGbl_AmlOpInfo[AML_NUM_OPCODES] =
 /* 79 */ ACPI_OP ("Mid",                ARGP_MID_OP,               ARGI_MID_OP,                ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_3A_1T_1R,   AML_FLAGS_EXEC_3A_1T_1R | AML_CONSTANT),
 /* 7A */ ACPI_OP ("Continue",           ARGP_CONTINUE_OP,          ARGI_CONTINUE_OP,           ACPI_TYPE_ANY,               AML_CLASS_CONTROL,         AML_TYPE_CONTROL,         0),
 /* 7B */ ACPI_OP ("LoadTable",          ARGP_LOAD_TABLE_OP,        ARGI_LOAD_TABLE_OP,         ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_6A_0T_1R,   AML_FLAGS_EXEC_6A_0T_1R),
-/* 7C */ ACPI_OP ("DataTableRegion",    ARGP_DATA_REGION_OP,       ARGI_DATA_REGION_OP,        ACPI_TYPE_REGION,            AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_COMPLEX,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED | AML_DEFER),
+/* 7C */ ACPI_OP ("DataTableRegion",    ARGP_DATA_REGION_OP,       ARGI_DATA_REGION_OP,        ACPI_TYPE_REGION,            AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_COMPLEX,   AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED | AML_DEFER),
 /* 7D */ ACPI_OP ("[EvalSubTree]",      ARGP_SCOPE_OP,             ARGI_SCOPE_OP,              ACPI_TYPE_ANY,               AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_NO_OBJ,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE),
 
 /* ACPI 3.0 opcodes */
 
-/* 7E */ ACPI_OP ("Timer",              ARGP_TIMER_OP,             ARGI_TIMER_OP,              ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_0A_0T_1R,   AML_FLAGS_EXEC_0A_0T_1R)
+/* 7E */ ACPI_OP ("Timer",              ARGP_TIMER_OP,             ARGI_TIMER_OP,              ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_0A_0T_1R,   AML_FLAGS_EXEC_0A_0T_1R),
+
+/* ACPI 5.0 opcodes */
+
+/* 7F */ ACPI_OP ("-ConnectField-",     ARGP_CONNECTFIELD_OP,      ARGI_CONNECTFIELD_OP,       ACPI_TYPE_ANY,               AML_CLASS_INTERNAL,        AML_TYPE_BOGUS,           AML_HAS_ARGS),
+/* 80 */ ACPI_OP ("-ExtAccessField-",   ARGP_CONNECTFIELD_OP,      ARGI_CONNECTFIELD_OP,       ACPI_TYPE_ANY,               AML_CLASS_INTERNAL,        AML_TYPE_BOGUS,           0)
 
 /*! [End] no source code translation !*/
 };
@@ -353,7 +358,7 @@ static const UINT8 AcpiGbl_ShortOpIndex[256] =
 /* 0x20 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
 /* 0x28 */    _UNK, _UNK, _UNK, _UNK, _UNK, 0x63, _PFX, _PFX,
 /* 0x30 */    0x67, 0x66, 0x68, 0x65, 0x69, 0x64, 0x6A, 0x7D,
-/* 0x38 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x38 */    0x7F, 0x80, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
 /* 0x40 */    _UNK, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
 /* 0x48 */    _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
 /* 0x50 */    _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
diff --git a/usr/src/uts/intel/io/acpica/parser/psparse.c b/usr/src/uts/intel/io/acpica/parser/psparse.c
index f817749b75..bcf46adfe5 100644
--- a/usr/src/uts/intel/io/acpica/parser/psparse.c
+++ b/usr/src/uts/intel/io/acpica/parser/psparse.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/parser/psscope.c b/usr/src/uts/intel/io/acpica/parser/psscope.c
index 827531d460..1df5a33af3 100644
--- a/usr/src/uts/intel/io/acpica/parser/psscope.c
+++ b/usr/src/uts/intel/io/acpica/parser/psscope.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/parser/pstree.c b/usr/src/uts/intel/io/acpica/parser/pstree.c
index d62bc7b9db..8271314e16 100644
--- a/usr/src/uts/intel/io/acpica/parser/pstree.c
+++ b/usr/src/uts/intel/io/acpica/parser/pstree.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -85,7 +85,12 @@ AcpiPsGetArg (
 
     ACPI_FUNCTION_ENTRY ();
 
-
+/*
+    if (Op->Common.AmlOpcode == AML_INT_CONNECTION_OP)
+    {
+        return (Op->Common.Value.Arg);
+    }
+*/
     /* Get the info structure for this opcode */
 
     OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
diff --git a/usr/src/uts/intel/io/acpica/parser/psutils.c b/usr/src/uts/intel/io/acpica/parser/psutils.c
index 426d2ccdd7..e28b75cc8f 100644
--- a/usr/src/uts/intel/io/acpica/parser/psutils.c
+++ b/usr/src/uts/intel/io/acpica/parser/psutils.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/parser/pswalk.c b/usr/src/uts/intel/io/acpica/parser/pswalk.c
index dbb4a17fe9..9734c4d177 100644
--- a/usr/src/uts/intel/io/acpica/parser/pswalk.c
+++ b/usr/src/uts/intel/io/acpica/parser/pswalk.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/parser/psxface.c b/usr/src/uts/intel/io/acpica/parser/psxface.c
index e7a5d9fe9a..2a012c2915 100644
--- a/usr/src/uts/intel/io/acpica/parser/psxface.c
+++ b/usr/src/uts/intel/io/acpica/parser/psxface.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/resources/rsaddr.c b/usr/src/uts/intel/io/acpica/resources/rsaddr.c
index c11e8ca128..90e7d43b6e 100644
--- a/usr/src/uts/intel/io/acpica/resources/rsaddr.c
+++ b/usr/src/uts/intel/io/acpica/resources/rsaddr.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/resources/rscalc.c b/usr/src/uts/intel/io/acpica/resources/rscalc.c
index 15cf685857..845ed69c7d 100644
--- a/usr/src/uts/intel/io/acpica/resources/rscalc.c
+++ b/usr/src/uts/intel/io/acpica/resources/rscalc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -345,6 +345,26 @@ AcpiRsGetAmlLength (
             break;
 
 
+        case ACPI_RESOURCE_TYPE_GPIO:
+
+            TotalSize = (ACPI_RS_LENGTH) (TotalSize + (Resource->Data.Gpio.PinTableLength * 2) +
+                Resource->Data.Gpio.ResourceSource.StringLength +
+                Resource->Data.Gpio.VendorLength);
+
+            break;
+
+
+        case ACPI_RESOURCE_TYPE_SERIAL_BUS:
+
+            TotalSize = AcpiGbl_AmlResourceSerialBusSizes [Resource->Data.CommonSerialBus.Type];
+
+            TotalSize = (ACPI_RS_LENGTH) (TotalSize +
+                Resource->Data.I2cSerialBus.ResourceSource.StringLength +
+                Resource->Data.I2cSerialBus.VendorLength);
+
+            break;
+
+
         default:
             break;
         }
@@ -395,12 +415,13 @@ AcpiRsGetListLength (
     UINT32                  ExtraStructBytes;
     UINT8                   ResourceIndex;
     UINT8                   MinimumAmlResourceLength;
+    AML_RESOURCE            *AmlResource;
 
 
     ACPI_FUNCTION_TRACE (RsGetListLength);
 
 
-    *SizeNeeded = 0;
+    *SizeNeeded = ACPI_RS_SIZE_MIN;         /* Minimum size is one EndTag */
     EndAml = AmlBuffer + AmlBufferLength;
 
     /* Walk the list of AML resource descriptors */
@@ -412,9 +433,15 @@ AcpiRsGetListLength (
         Status = AcpiUtValidateResource (AmlBuffer, &ResourceIndex);
         if (ACPI_FAILURE (Status))
         {
+            /*
+             * Exit on failure. Cannot continue because the descriptor length
+             * may be bogus also.
+             */
             return_ACPI_STATUS (Status);
         }
 
+        AmlResource = (void *) AmlBuffer;
+
         /* Get the resource length and base (minimum) AML size */
 
         ResourceLength = AcpiUtGetResourceLength (AmlBuffer);
@@ -460,10 +487,8 @@ AcpiRsGetListLength (
 
         case ACPI_RESOURCE_NAME_END_TAG:
             /*
-             * End Tag:
-             * This is the normal exit, add size of EndTag
+             * End Tag: This is the normal exit
              */
-            *SizeNeeded += ACPI_RS_SIZE_MIN;
             return_ACPI_STATUS (AE_OK);
 
 
@@ -494,6 +519,30 @@ AcpiRsGetListLength (
                 ResourceLength - ExtraStructBytes, MinimumAmlResourceLength);
             break;
 
+        case ACPI_RESOURCE_NAME_GPIO:
+
+            /* Vendor data is optional */
+
+            if (AmlResource->Gpio.VendorLength)
+            {
+                ExtraStructBytes += AmlResource->Gpio.VendorOffset -
+                    AmlResource->Gpio.PinTableOffset + AmlResource->Gpio.VendorLength;
+            }
+            else
+            {
+                ExtraStructBytes += AmlResource->LargeHeader.ResourceLength +
+                    sizeof (AML_RESOURCE_LARGE_HEADER) -
+                    AmlResource->Gpio.PinTableOffset;
+            }
+            break;
+
+        case ACPI_RESOURCE_NAME_SERIAL_BUS:
+
+            MinimumAmlResourceLength = AcpiGbl_ResourceAmlSerialBusSizes[
+                AmlResource->CommonSerialBus.Type];
+            ExtraStructBytes += AmlResource->CommonSerialBus.ResourceLength -
+                MinimumAmlResourceLength;
+            break;
 
         default:
             break;
@@ -505,8 +554,16 @@ AcpiRsGetListLength (
          * Important: Round the size up for the appropriate alignment. This
          * is a requirement on IA64.
          */
-        BufferSize = AcpiGbl_ResourceStructSizes[ResourceIndex] +
+        if (AcpiUtGetResourceType (AmlBuffer) == ACPI_RESOURCE_NAME_SERIAL_BUS)
+        {
+            BufferSize = AcpiGbl_ResourceStructSerialBusSizes[
+                AmlResource->CommonSerialBus.Type] + ExtraStructBytes;
+        }
+        else
+        {
+            BufferSize = AcpiGbl_ResourceStructSizes[ResourceIndex] +
                         ExtraStructBytes;
+        }
         BufferSize = (UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (BufferSize);
 
         *SizeNeeded += BufferSize;
diff --git a/usr/src/uts/intel/io/acpica/resources/rscreate.c b/usr/src/uts/intel/io/acpica/resources/rscreate.c
index 40cf447c29..f06ea0cb4d 100644
--- a/usr/src/uts/intel/io/acpica/resources/rscreate.c
+++ b/usr/src/uts/intel/io/acpica/resources/rscreate.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -54,6 +54,79 @@
 
 /*******************************************************************************
  *
+ * FUNCTION:    AcpiBufferToResource
+ *
+ * PARAMETERS:  AmlBuffer           - Pointer to the resource byte stream
+ *              AmlBufferLength     - Length of the AmlBuffer
+ *              ResourcePtr         - Where the converted resource is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Convert a raw AML buffer to a resource list
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiBufferToResource (
+    UINT8                   *AmlBuffer,
+    UINT16                  AmlBufferLength,
+    ACPI_RESOURCE           **ResourcePtr)
+{
+    ACPI_STATUS             Status;
+    ACPI_SIZE               ListSizeNeeded;
+    void                    *Resource;
+    void                    *CurrentResourcePtr;
+
+    /*
+     * Note: we allow AE_AML_NO_RESOURCE_END_TAG, since an end tag
+     * is not required here.
+     */
+
+    /* Get the required length for the converted resource */
+
+    Status = AcpiRsGetListLength (AmlBuffer, AmlBufferLength,
+                &ListSizeNeeded);
+    if (Status == AE_AML_NO_RESOURCE_END_TAG)
+    {
+        Status = AE_OK;
+    }
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Allocate a buffer for the converted resource */
+
+    Resource = ACPI_ALLOCATE_ZEROED (ListSizeNeeded);
+    CurrentResourcePtr = Resource;
+    if (!Resource)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+    /* Perform the AML-to-Resource conversion */
+
+    Status = AcpiUtWalkAmlResources (AmlBuffer, AmlBufferLength,
+                AcpiRsConvertAmlToResources, &CurrentResourcePtr);
+    if (Status == AE_AML_NO_RESOURCE_END_TAG)
+    {
+        Status = AE_OK;
+    }
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_FREE (Resource);
+    }
+    else
+    {
+        *ResourcePtr = Resource;
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    AcpiRsCreateResourceList
  *
  * PARAMETERS:  AmlBuffer           - Pointer to the resource byte stream
diff --git a/usr/src/uts/intel/io/acpica/resources/rsdump.c b/usr/src/uts/intel/io/acpica/resources/rsdump.c
index 5470677447..68564739eb 100644
--- a/usr/src/uts/intel/io/acpica/resources/rsdump.c
+++ b/usr/src/uts/intel/io/acpica/resources/rsdump.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -91,6 +91,11 @@ AcpiRsDumpByteList (
     UINT8                   *Data);
 
 static void
+AcpiRsDumpWordList (
+    UINT16                   Length,
+    UINT16                   *Data);
+
+static void
 AcpiRsDumpDwordList (
     UINT8                   Length,
     UINT32                  *Data);
@@ -289,6 +294,87 @@ ACPI_RSDUMP_INFO        AcpiRsDumpGenericReg[6] =
     {ACPI_RSD_UINT64,   ACPI_RSD_OFFSET (GenericReg.Address),               "Address",                  NULL}
 };
 
+ACPI_RSDUMP_INFO        AcpiRsDumpGpio[16] =
+{
+    {ACPI_RSD_TITLE,    ACPI_RSD_TABLE_SIZE (AcpiRsDumpGpio),               "GPIO",                     NULL},
+    {ACPI_RSD_UINT8,    ACPI_RSD_OFFSET (Gpio.RevisionId),                  "RevisionId",               NULL},
+    {ACPI_RSD_UINT8,    ACPI_RSD_OFFSET (Gpio.ConnectionType),              "ConnectionType",           AcpiGbl_CtDecode},
+    {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (Gpio.ProducerConsumer),            "ProducerConsumer",         AcpiGbl_ConsumeDecode},
+    {ACPI_RSD_UINT8,    ACPI_RSD_OFFSET (Gpio.PinConfig),                   "PinConfig",                AcpiGbl_PpcDecode},
+    {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET (Gpio.Sharable),                    "Sharable",                 AcpiGbl_ShrDecode},
+    {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET (Gpio.IoRestriction),               "IoRestriction",            AcpiGbl_IorDecode},
+    {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (Gpio.Triggering),                  "Triggering",               AcpiGbl_HeDecode},
+    {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET (Gpio.Polarity),                    "Polarity",                 AcpiGbl_LlDecode},
+    {ACPI_RSD_UINT16,   ACPI_RSD_OFFSET (Gpio.DriveStrength),               "DriveStrength",            NULL},
+    {ACPI_RSD_UINT16,   ACPI_RSD_OFFSET (Gpio.DebounceTimeout),             "DebounceTimeout",          NULL},
+    {ACPI_RSD_SOURCE,   ACPI_RSD_OFFSET (Gpio.ResourceSource),              "ResourceSource",           NULL},
+    {ACPI_RSD_UINT16,   ACPI_RSD_OFFSET (Gpio.PinTableLength),              "PinTableLength",           NULL},
+    {ACPI_RSD_WORDLIST, ACPI_RSD_OFFSET (Gpio.PinTable),                    "PinTable",                 NULL},
+    {ACPI_RSD_UINT16,   ACPI_RSD_OFFSET (Gpio.VendorLength),                "VendorLength",             NULL},
+    {ACPI_RSD_SHORTLISTX,ACPI_RSD_OFFSET (Gpio.VendorData),                 "VendorData",               NULL},
+};
+
+ACPI_RSDUMP_INFO        AcpiRsDumpFixedDma[4] =
+{
+    {ACPI_RSD_TITLE,    ACPI_RSD_TABLE_SIZE (AcpiRsDumpFixedDma),           "FixedDma",                 NULL},
+    {ACPI_RSD_UINT16,   ACPI_RSD_OFFSET (FixedDma.RequestLines),            "RequestLines",             NULL},
+    {ACPI_RSD_UINT16,   ACPI_RSD_OFFSET (FixedDma.Channels),                "Channels",                 NULL},
+    {ACPI_RSD_UINT8,    ACPI_RSD_OFFSET (FixedDma.Width),                   "TransferWidth",            AcpiGbl_DtsDecode},
+};
+
+#define ACPI_RS_DUMP_COMMON_SERIAL_BUS \
+    {ACPI_RSD_UINT8,    ACPI_RSD_OFFSET (CommonSerialBus.RevisionId),       "RevisionId",               NULL}, \
+    {ACPI_RSD_UINT8,    ACPI_RSD_OFFSET (CommonSerialBus.Type),             "Type",                     AcpiGbl_SbtDecode}, \
+    {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (CommonSerialBus.ProducerConsumer), "ProducerConsumer",         AcpiGbl_ConsumeDecode}, \
+    {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (CommonSerialBus.SlaveMode),        "SlaveMode",                AcpiGbl_SmDecode}, \
+    {ACPI_RSD_UINT8,    ACPI_RSD_OFFSET (CommonSerialBus.TypeRevisionId),   "TypeRevisionId",           NULL}, \
+    {ACPI_RSD_UINT16,   ACPI_RSD_OFFSET (CommonSerialBus.TypeDataLength),   "TypeDataLength",           NULL}, \
+    {ACPI_RSD_SOURCE,   ACPI_RSD_OFFSET (CommonSerialBus.ResourceSource),   "ResourceSource",           NULL}, \
+    {ACPI_RSD_UINT16,   ACPI_RSD_OFFSET (CommonSerialBus.VendorLength),     "VendorLength",             NULL}, \
+    {ACPI_RSD_SHORTLISTX,ACPI_RSD_OFFSET (CommonSerialBus.VendorData),      "VendorData",               NULL},
+
+ACPI_RSDUMP_INFO        AcpiRsDumpCommonSerialBus[10] =
+{
+    {ACPI_RSD_TITLE,    ACPI_RSD_TABLE_SIZE (AcpiRsDumpCommonSerialBus),    "Common Serial Bus",        NULL},
+    ACPI_RS_DUMP_COMMON_SERIAL_BUS
+};
+
+ACPI_RSDUMP_INFO        AcpiRsDumpI2cSerialBus[13] =
+{
+    {ACPI_RSD_TITLE,    ACPI_RSD_TABLE_SIZE (AcpiRsDumpI2cSerialBus),       "I2C Serial Bus",           NULL},
+    ACPI_RS_DUMP_COMMON_SERIAL_BUS
+    {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (I2cSerialBus.AccessMode),          "AccessMode",               AcpiGbl_AmDecode},
+    {ACPI_RSD_UINT32,   ACPI_RSD_OFFSET (I2cSerialBus.ConnectionSpeed),     "ConnectionSpeed",          NULL},
+    {ACPI_RSD_UINT16,   ACPI_RSD_OFFSET (I2cSerialBus.SlaveAddress),        "SlaveAddress",             NULL},
+};
+
+ACPI_RSDUMP_INFO        AcpiRsDumpSpiSerialBus[17] =
+{
+    {ACPI_RSD_TITLE,    ACPI_RSD_TABLE_SIZE (AcpiRsDumpSpiSerialBus),       "Spi Serial Bus",           NULL},
+    ACPI_RS_DUMP_COMMON_SERIAL_BUS
+    {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (SpiSerialBus.WireMode),            "WireMode",                 AcpiGbl_WmDecode},
+    {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (SpiSerialBus.DevicePolarity),      "DevicePolarity",           AcpiGbl_DpDecode},
+    {ACPI_RSD_UINT8,    ACPI_RSD_OFFSET (SpiSerialBus.DataBitLength),       "DataBitLength",            NULL},
+    {ACPI_RSD_UINT8,    ACPI_RSD_OFFSET (SpiSerialBus.ClockPhase),          "ClockPhase",               AcpiGbl_CphDecode},
+    {ACPI_RSD_UINT8,    ACPI_RSD_OFFSET (SpiSerialBus.ClockPolarity),       "ClockPolarity",            AcpiGbl_CpoDecode},
+    {ACPI_RSD_UINT16,   ACPI_RSD_OFFSET (SpiSerialBus.DeviceSelection),     "DeviceSelection",          NULL},
+    {ACPI_RSD_UINT32,   ACPI_RSD_OFFSET (SpiSerialBus.ConnectionSpeed),     "ConnectionSpeed",          NULL},
+};
+
+ACPI_RSDUMP_INFO        AcpiRsDumpUartSerialBus[19] =
+{
+    {ACPI_RSD_TITLE,    ACPI_RSD_TABLE_SIZE (AcpiRsDumpUartSerialBus),       "Uart Serial Bus",         NULL},
+    ACPI_RS_DUMP_COMMON_SERIAL_BUS
+    {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET (UartSerialBus.FlowControl),         "FlowControl",             AcpiGbl_FcDecode},
+    {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET (UartSerialBus.StopBits),            "StopBits",                AcpiGbl_SbDecode},
+    {ACPI_RSD_3BITFLAG, ACPI_RSD_OFFSET (UartSerialBus.DataBits),            "DataBits",                AcpiGbl_BpbDecode},
+    {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (UartSerialBus.Endian),              "Endian",                  AcpiGbl_EdDecode},
+    {ACPI_RSD_UINT8,    ACPI_RSD_OFFSET (UartSerialBus.Parity),              "Parity",                  AcpiGbl_PtDecode},
+    {ACPI_RSD_UINT8,    ACPI_RSD_OFFSET (UartSerialBus.LinesEnabled),        "LinesEnabled",            NULL},
+    {ACPI_RSD_UINT16,   ACPI_RSD_OFFSET (UartSerialBus.RxFifoSize),          "RxFifoSize",              NULL},
+    {ACPI_RSD_UINT16,   ACPI_RSD_OFFSET (UartSerialBus.TxFifoSize),          "TxFifoSize",              NULL},
+    {ACPI_RSD_UINT32,   ACPI_RSD_OFFSET (UartSerialBus.DefaultBaudRate),     "ConnectionSpeed",         NULL},
+};
 
 /*
  * Tables used for common address descriptor flag fields
@@ -391,7 +477,15 @@ AcpiRsDumpDescriptor (
         /* Data items, 8/16/32/64 bit */
 
         case ACPI_RSD_UINT8:
-            AcpiRsOutInteger8 (Name, ACPI_GET8 (Target));
+            if (Table->Pointer)
+            {
+                AcpiRsOutString (Name, ACPI_CAST_PTR (char,
+                    Table->Pointer [*Target]));
+            }
+            else
+            {
+                AcpiRsOutInteger8 (Name, ACPI_GET8 (Target));
+            }
             break;
 
         case ACPI_RSD_UINT16:
@@ -418,6 +512,11 @@ AcpiRsDumpDescriptor (
                 Table->Pointer [*Target & 0x03]));
             break;
 
+        case ACPI_RSD_3BITFLAG:
+            AcpiRsOutString (Name, ACPI_CAST_PTR (char,
+                Table->Pointer [*Target & 0x07]));
+            break;
+
         case ACPI_RSD_SHORTLIST:
             /*
              * Short byte list (single line output) for DMA and IRQ resources
@@ -430,6 +529,19 @@ AcpiRsDumpDescriptor (
             }
             break;
 
+        case ACPI_RSD_SHORTLISTX:
+            /*
+             * Short byte list (single line output) for GPIO vendor data
+             * Note: The list length is obtained from the previous table entry
+             */
+            if (PreviousTarget)
+            {
+                AcpiRsOutTitle (Name);
+                AcpiRsDumpShortByteList (*PreviousTarget,
+                    *(ACPI_CAST_INDIRECT_PTR (UINT8, Target)));
+            }
+            break;
+
         case ACPI_RSD_LONGLIST:
             /*
              * Long byte list for Vendor resource data
@@ -453,6 +565,18 @@ AcpiRsDumpDescriptor (
             }
             break;
 
+        case ACPI_RSD_WORDLIST:
+            /*
+             * Word list for GPIO Pin Table
+             * Note: The list length is obtained from the previous table entry
+             */
+            if (PreviousTarget)
+            {
+                AcpiRsDumpWordList (*PreviousTarget,
+                    *(ACPI_CAST_INDIRECT_PTR (UINT16, Target)));
+            }
+            break;
+
         case ACPI_RSD_ADDRESS:
             /*
              * Common flags for all Address resources
@@ -613,13 +737,20 @@ AcpiRsDumpResourceList (
 
         /* Dump the resource descriptor */
 
-        AcpiRsDumpDescriptor (&ResourceList->Data,
-            AcpiGbl_DumpResourceDispatch[Type]);
+        if (Type == ACPI_RESOURCE_TYPE_SERIAL_BUS)
+        {
+            AcpiRsDumpDescriptor (&ResourceList->Data,
+                AcpiGbl_DumpSerialBusDispatch[ResourceList->Data.CommonSerialBus.Type]);
+        }
+        else
+        {
+            AcpiRsDumpDescriptor (&ResourceList->Data,
+                AcpiGbl_DumpResourceDispatch[Type]);
+        }
 
         /* Point to the next resource structure */
 
-        ResourceList = ACPI_ADD_PTR (ACPI_RESOURCE, ResourceList,
-                            ResourceList->Length);
+        ResourceList = ACPI_NEXT_RESOURCE (ResourceList);
 
         /* Exit when END_TAG descriptor is reached */
 
@@ -796,5 +927,20 @@ AcpiRsDumpDwordList (
     }
 }
 
+static void
+AcpiRsDumpWordList (
+    UINT16                  Length,
+    UINT16                  *Data)
+{
+    UINT16                  i;
+
+
+    for (i = 0; i < Length; i++)
+    {
+        AcpiOsPrintf ("%25s%2.2X : %4.4X\n",
+            "Word", i, Data[i]);
+    }
+}
+
 #endif
 
diff --git a/usr/src/uts/intel/io/acpica/resources/rsinfo.c b/usr/src/uts/intel/io/acpica/resources/rsinfo.c
index 5753667806..e7287d5455 100644
--- a/usr/src/uts/intel/io/acpica/resources/rsinfo.c
+++ b/usr/src/uts/intel/io/acpica/resources/rsinfo.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -82,7 +82,10 @@ ACPI_RSCONVERT_INFO         *AcpiGbl_SetResourceDispatch[] =
     AcpiRsConvertAddress64,         /* 0x0D, ACPI_RESOURCE_TYPE_ADDRESS64 */
     AcpiRsConvertExtAddress64,      /* 0x0E, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
     AcpiRsConvertExtIrq,            /* 0x0F, ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
-    AcpiRsConvertGenericReg         /* 0x10, ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
+    AcpiRsConvertGenericReg,        /* 0x10, ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
+    AcpiRsConvertGpio,              /* 0x11, ACPI_RESOURCE_TYPE_GPIO */
+    AcpiRsConvertFixedDma,          /* 0x12, ACPI_RESOURCE_TYPE_FIXED_DMA */
+    NULL,                           /* 0x13, ACPI_RESOURCE_TYPE_SERIAL_BUS - Use subtype table below */
 };
 
 /* Dispatch tables for AML-to-resource (Get Resource) conversion functions */
@@ -101,7 +104,7 @@ ACPI_RSCONVERT_INFO         *AcpiGbl_GetResourceDispatch[] =
     AcpiRsConvertEndDpf,            /* 0x07, ACPI_RESOURCE_NAME_END_DEPENDENT */
     AcpiRsConvertIo,                /* 0x08, ACPI_RESOURCE_NAME_IO */
     AcpiRsConvertFixedIo,           /* 0x09, ACPI_RESOURCE_NAME_FIXED_IO */
-    NULL,                           /* 0x0A, Reserved */
+    AcpiRsConvertFixedDma,          /* 0x0A, ACPI_RESOURCE_NAME_FIXED_DMA */
     NULL,                           /* 0x0B, Reserved */
     NULL,                           /* 0x0C, Reserved */
     NULL,                           /* 0x0D, Reserved */
@@ -121,7 +124,20 @@ ACPI_RSCONVERT_INFO         *AcpiGbl_GetResourceDispatch[] =
     AcpiRsConvertAddress16,         /* 0x08, ACPI_RESOURCE_NAME_ADDRESS16 */
     AcpiRsConvertExtIrq,            /* 0x09, ACPI_RESOURCE_NAME_EXTENDED_IRQ */
     AcpiRsConvertAddress64,         /* 0x0A, ACPI_RESOURCE_NAME_ADDRESS64 */
-    AcpiRsConvertExtAddress64       /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 */
+    AcpiRsConvertExtAddress64,      /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 */
+    AcpiRsConvertGpio,              /* 0x0C, ACPI_RESOURCE_NAME_GPIO */
+    NULL,                           /* 0x0D, Reserved */
+    NULL,                           /* 0x0E, ACPI_RESOURCE_NAME_SERIAL_BUS - Use subtype table below */
+};
+
+/* Subtype table for SerialBus -- I2C, SPI, and UART */
+
+ACPI_RSCONVERT_INFO         *AcpiGbl_ConvertResourceSerialBusDispatch[] =
+{
+    NULL,
+    AcpiRsConvertI2cSerialBus,
+    AcpiRsConvertSpiSerialBus,
+    AcpiRsConvertUartSerialBus,
 };
 
 
@@ -148,6 +164,17 @@ ACPI_RSDUMP_INFO            *AcpiGbl_DumpResourceDispatch[] =
     AcpiRsDumpExtAddress64,         /* ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
     AcpiRsDumpExtIrq,               /* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
     AcpiRsDumpGenericReg,           /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
+    AcpiRsDumpGpio,                 /* ACPI_RESOURCE_TYPE_GPIO */
+    AcpiRsDumpFixedDma,             /* ACPI_RESOURCE_TYPE_FIXED_DMA */
+    NULL,                           /* ACPI_RESOURCE_TYPE_SERIAL_BUS */
+};
+
+ACPI_RSDUMP_INFO            *AcpiGbl_DumpSerialBusDispatch[] =
+{
+    NULL,
+    AcpiRsDumpI2cSerialBus,         /* AML_RESOURCE_I2C_BUS_TYPE */
+    AcpiRsDumpSpiSerialBus,         /* AML_RESOURCE_SPI_BUS_TYPE */
+    AcpiRsDumpUartSerialBus,        /* AML_RESOURCE_UART_BUS_TYPE */
 };
 #endif
 
@@ -175,7 +202,10 @@ const UINT8                 AcpiGbl_AmlResourceSizes[] =
     sizeof (AML_RESOURCE_ADDRESS64),        /* ACPI_RESOURCE_TYPE_ADDRESS64 */
     sizeof (AML_RESOURCE_EXTENDED_ADDRESS64),/*ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
     sizeof (AML_RESOURCE_EXTENDED_IRQ),     /* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
-    sizeof (AML_RESOURCE_GENERIC_REGISTER)  /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
+    sizeof (AML_RESOURCE_GENERIC_REGISTER), /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
+    sizeof (AML_RESOURCE_GPIO),             /* ACPI_RESOURCE_TYPE_GPIO */
+    sizeof (AML_RESOURCE_FIXED_DMA),        /* ACPI_RESOURCE_TYPE_FIXED_DMA */
+    sizeof (AML_RESOURCE_COMMON_SERIALBUS), /* ACPI_RESOURCE_TYPE_SERIAL_BUS */
 };
 
 
@@ -193,7 +223,7 @@ const UINT8                 AcpiGbl_ResourceStructSizes[] =
     ACPI_RS_SIZE_MIN,
     ACPI_RS_SIZE (ACPI_RESOURCE_IO),
     ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_IO),
-    0,
+    ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_DMA),
     0,
     0,
     0,
@@ -213,6 +243,23 @@ const UINT8                 AcpiGbl_ResourceStructSizes[] =
     ACPI_RS_SIZE (ACPI_RESOURCE_ADDRESS16),
     ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_IRQ),
     ACPI_RS_SIZE (ACPI_RESOURCE_ADDRESS64),
-    ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_ADDRESS64)
+    ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_ADDRESS64),
+    ACPI_RS_SIZE (ACPI_RESOURCE_GPIO),
+    ACPI_RS_SIZE (ACPI_RESOURCE_COMMON_SERIALBUS)
+};
+
+const UINT8                 AcpiGbl_AmlResourceSerialBusSizes[] =
+{
+    0,
+    sizeof (AML_RESOURCE_I2C_SERIALBUS),
+    sizeof (AML_RESOURCE_SPI_SERIALBUS),
+    sizeof (AML_RESOURCE_UART_SERIALBUS),
 };
 
+const UINT8                 AcpiGbl_ResourceStructSerialBusSizes[] =
+{
+    0,
+    ACPI_RS_SIZE (ACPI_RESOURCE_I2C_SERIALBUS),
+    ACPI_RS_SIZE (ACPI_RESOURCE_SPI_SERIALBUS),
+    ACPI_RS_SIZE (ACPI_RESOURCE_UART_SERIALBUS),
+};
diff --git a/usr/src/uts/intel/io/acpica/resources/rsio.c b/usr/src/uts/intel/io/acpica/resources/rsio.c
index 2d0f9f7baa..065108cfa1 100644
--- a/usr/src/uts/intel/io/acpica/resources/rsio.c
+++ b/usr/src/uts/intel/io/acpica/resources/rsio.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/resources/rsirq.c b/usr/src/uts/intel/io/acpica/resources/rsirq.c
index ff952f96ff..c2a88ee89a 100644
--- a/usr/src/uts/intel/io/acpica/resources/rsirq.c
+++ b/usr/src/uts/intel/io/acpica/resources/rsirq.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -274,3 +274,35 @@ ACPI_RSCONVERT_INFO     AcpiRsConvertDma[6] =
                         ACPI_RS_OFFSET (Data.Dma.ChannelCount)}
 };
 
+
+/*******************************************************************************
+ *
+ * AcpiRsConvertFixedDma
+ *
+ ******************************************************************************/
+
+ACPI_RSCONVERT_INFO     AcpiRsConvertFixedDma[4] =
+{
+    {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_FIXED_DMA,
+                        ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_DMA),
+                        ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedDma)},
+
+    {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_FIXED_DMA,
+                        sizeof (AML_RESOURCE_FIXED_DMA),
+                        0},
+
+    /*
+     * These fields are contiguous in both the source and destination:
+     * RequestLines
+     * Channels
+     */
+
+    {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.FixedDma.RequestLines),
+                        AML_OFFSET (FixedDma.RequestLines),
+                        2},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.FixedDma.Width),
+                        AML_OFFSET (FixedDma.Width),
+                        1},
+
+};
diff --git a/usr/src/uts/intel/io/acpica/resources/rslist.c b/usr/src/uts/intel/io/acpica/resources/rslist.c
index c64065f2ca..187d56cd42 100644
--- a/usr/src/uts/intel/io/acpica/resources/rslist.c
+++ b/usr/src/uts/intel/io/acpica/resources/rslist.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -77,6 +77,8 @@ AcpiRsConvertAmlToResources (
     ACPI_RESOURCE           **ResourcePtr = ACPI_CAST_INDIRECT_PTR (
                                 ACPI_RESOURCE, Context);
     ACPI_RESOURCE           *Resource;
+    AML_RESOURCE            *AmlResource;
+    ACPI_RSCONVERT_INFO     *ConversionTable;
     ACPI_STATUS             Status;
 
 
@@ -94,11 +96,42 @@ AcpiRsConvertAmlToResources (
             "Misaligned resource pointer %p", Resource));
     }
 
-    /* Convert the AML byte stream resource to a local resource struct */
+    /* Get the appropriate conversion info table */
+
+    AmlResource = ACPI_CAST_PTR (AML_RESOURCE, Aml);
+    if (AcpiUtGetResourceType (Aml) == ACPI_RESOURCE_NAME_SERIAL_BUS)
+    {
+        if (AmlResource->CommonSerialBus.Type > AML_RESOURCE_MAX_SERIALBUSTYPE)
+        {
+            ConversionTable = NULL;
+        }
+        else
+        {
+            /* This is an I2C, SPI, or UART SerialBus descriptor */
+
+            ConversionTable =
+                AcpiGbl_ConvertResourceSerialBusDispatch[
+                    AmlResource->CommonSerialBus.Type];
+        }
+    }
+    else
+    {
+        ConversionTable =
+            AcpiGbl_GetResourceDispatch[ResourceIndex];
+    }
+
+    if (!ConversionTable)
+    {
+        ACPI_ERROR ((AE_INFO,
+            "Invalid/unsupported resource descriptor: Type 0x%2.2X",
+            ResourceIndex));
+        return (AE_AML_INVALID_RESOURCE_TYPE);
+    }
+
+     /* Convert the AML byte stream resource to a local resource struct */
 
     Status = AcpiRsConvertAmlToResource (
-                Resource, ACPI_CAST_PTR (AML_RESOURCE, Aml),
-                AcpiGbl_GetResourceDispatch[ResourceIndex]);
+        Resource, AmlResource, ConversionTable);
     if (ACPI_FAILURE (Status))
     {
         ACPI_EXCEPTION ((AE_INFO, Status,
@@ -113,7 +146,7 @@ AcpiRsConvertAmlToResources (
 
     /* Point to the next structure in the output buffer */
 
-    *ResourcePtr = ACPI_ADD_PTR (void, Resource, Resource->Length);
+    *ResourcePtr = ACPI_NEXT_RESOURCE (Resource);
     return_ACPI_STATUS (AE_OK);
 }
 
@@ -145,6 +178,7 @@ AcpiRsConvertResourcesToAml (
 {
     UINT8                   *Aml = OutputBuffer;
     UINT8                   *EndAml = OutputBuffer + AmlSizeNeeded;
+    ACPI_RSCONVERT_INFO     *ConversionTable;
     ACPI_STATUS             Status;
 
 
@@ -167,9 +201,36 @@ AcpiRsConvertResourcesToAml (
 
         /* Perform the conversion */
 
+        if (Resource->Type == ACPI_RESOURCE_TYPE_SERIAL_BUS)
+        {
+            if (Resource->Data.CommonSerialBus.Type > AML_RESOURCE_MAX_SERIALBUSTYPE)
+            {
+                ConversionTable = NULL;
+            }
+            else
+            {
+                /* This is an I2C, SPI, or UART SerialBus descriptor */
+
+                ConversionTable = AcpiGbl_ConvertResourceSerialBusDispatch[
+                    Resource->Data.CommonSerialBus.Type];
+            }
+        }
+        else
+        {
+            ConversionTable = AcpiGbl_SetResourceDispatch[Resource->Type];
+        }
+
+        if (!ConversionTable)
+        {
+            ACPI_ERROR ((AE_INFO,
+                "Invalid/unsupported resource descriptor: Type 0x%2.2X",
+                Resource->Type));
+            return (AE_AML_INVALID_RESOURCE_TYPE);
+        }
+
         Status = AcpiRsConvertResourceToAml (Resource,
-                    ACPI_CAST_PTR (AML_RESOURCE, Aml),
-                    AcpiGbl_SetResourceDispatch[Resource->Type]);
+                ACPI_CAST_PTR (AML_RESOURCE, Aml),
+                ConversionTable);
         if (ACPI_FAILURE (Status))
         {
             ACPI_EXCEPTION ((AE_INFO, Status,
@@ -204,7 +265,7 @@ AcpiRsConvertResourcesToAml (
 
         /* Point to the next input resource descriptor */
 
-        Resource = ACPI_ADD_PTR (ACPI_RESOURCE, Resource, Resource->Length);
+        Resource = ACPI_NEXT_RESOURCE (Resource);
     }
 
     /* Completed buffer, but did not find an EndTag resource descriptor */
diff --git a/usr/src/uts/intel/io/acpica/resources/rsmemory.c b/usr/src/uts/intel/io/acpica/resources/rsmemory.c
index 06262fa64b..83d131956f 100644
--- a/usr/src/uts/intel/io/acpica/resources/rsmemory.c
+++ b/usr/src/uts/intel/io/acpica/resources/rsmemory.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/resources/rsmisc.c b/usr/src/uts/intel/io/acpica/resources/rsmisc.c
index 45415faacc..dfad696ca1 100644
--- a/usr/src/uts/intel/io/acpica/resources/rsmisc.c
+++ b/usr/src/uts/intel/io/acpica/resources/rsmisc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -94,6 +94,11 @@ AcpiRsConvertAmlToResource (
     ACPI_FUNCTION_TRACE (RsConvertAmlToResource);
 
 
+    if (!Info)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
     if (((ACPI_SIZE) Resource) & 0x3)
     {
         /* Each internal resource struct is expected to be 32-bit aligned */
@@ -112,7 +117,6 @@ AcpiRsConvertAmlToResource (
      * table length (# of table entries)
      */
     Count = INIT_TABLE_LENGTH (Info);
-
     while (Count)
     {
         /*
@@ -162,6 +166,15 @@ AcpiRsConvertAmlToResource (
             break;
 
 
+        case ACPI_RSC_3BITFLAG:
+            /*
+             * Mask and shift the flag bits
+             */
+            ACPI_SET8 (Destination) = (UINT8)
+                ((ACPI_GET8 (Source) >> Info->Value) & 0x07);
+            break;
+
+
         case ACPI_RSC_COUNT:
 
             ItemCount = ACPI_GET8 (Source);
@@ -182,6 +195,75 @@ AcpiRsConvertAmlToResource (
             break;
 
 
+        case ACPI_RSC_COUNT_GPIO_PIN:
+
+            Target = ACPI_ADD_PTR (void, Aml, Info->Value);
+            ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source);
+
+            Resource->Length = Resource->Length + ItemCount;
+            ItemCount = ItemCount / 2;
+            ACPI_SET16 (Destination) = ItemCount;
+            break;
+
+
+        case ACPI_RSC_COUNT_GPIO_VEN:
+
+            ItemCount = ACPI_GET8 (Source);
+            ACPI_SET8 (Destination) = (UINT8) ItemCount;
+
+            Resource->Length = Resource->Length +
+                (Info->Value * ItemCount);
+            break;
+
+
+        case ACPI_RSC_COUNT_GPIO_RES:
+
+            /*
+             * Vendor data is optional (length/offset may both be zero)
+             * Examine vendor data length field first
+             */
+            Target = ACPI_ADD_PTR (void, Aml, (Info->Value + 2));
+            if (ACPI_GET16 (Target))
+            {
+                /* Use vendor offset to get resource source length */
+
+                Target = ACPI_ADD_PTR (void, Aml, Info->Value);
+                ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source);
+            }
+            else
+            {
+                /* No vendor data to worry about */
+
+                ItemCount = Aml->LargeHeader.ResourceLength +
+                    sizeof (AML_RESOURCE_LARGE_HEADER) -
+                    ACPI_GET16 (Source);
+            }
+
+            Resource->Length = Resource->Length + ItemCount;
+            ACPI_SET16 (Destination) = ItemCount;
+            break;
+
+
+        case ACPI_RSC_COUNT_SERIAL_VEN:
+
+            ItemCount = ACPI_GET16 (Source) - Info->Value;
+
+            Resource->Length = Resource->Length + ItemCount;
+            ACPI_SET16 (Destination) = ItemCount;
+            break;
+
+
+        case ACPI_RSC_COUNT_SERIAL_RES:
+
+            ItemCount = (AmlResourceLength +
+                sizeof (AML_RESOURCE_LARGE_HEADER)) -
+                ACPI_GET16 (Source) - Info->Value;
+
+            Resource->Length = Resource->Length + ItemCount;
+            ACPI_SET16 (Destination) = ItemCount;
+            break;
+
+
         case ACPI_RSC_LENGTH:
 
             Resource->Length = Resource->Length + Info->Value;
@@ -204,6 +286,66 @@ AcpiRsConvertAmlToResource (
             break;
 
 
+        case ACPI_RSC_MOVE_GPIO_PIN:
+
+            /* Generate and set the PIN data pointer */
+
+            Target = (char *) ACPI_ADD_PTR (void, Resource,
+                  (Resource->Length - ItemCount * 2));
+            *(UINT16 **) Destination = ACPI_CAST_PTR (UINT16, Target);
+
+            /* Copy the PIN data */
+
+            Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source));
+            AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
+            break;
+
+
+        case ACPI_RSC_MOVE_GPIO_RES:
+
+            /* Generate and set the ResourceSource string pointer */
+
+            Target = (char *) ACPI_ADD_PTR (void, Resource,
+                  (Resource->Length - ItemCount));
+            *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
+
+            /* Copy the ResourceSource string */
+
+            Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source));
+            AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
+            break;
+
+
+        case ACPI_RSC_MOVE_SERIAL_VEN:
+
+            /* Generate and set the Vendor Data pointer */
+
+            Target = (char *) ACPI_ADD_PTR (void, Resource,
+                  (Resource->Length - ItemCount));
+            *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
+
+            /* Copy the Vendor Data */
+
+            Source = ACPI_ADD_PTR (void, Aml, Info->Value);
+            AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
+            break;
+
+
+        case ACPI_RSC_MOVE_SERIAL_RES:
+
+            /* Generate and set the ResourceSource string pointer */
+
+            Target = (char *) ACPI_ADD_PTR (void, Resource,
+                  (Resource->Length - ItemCount));
+            *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
+
+            /* Copy the ResourceSource string */
+
+            Source = ACPI_ADD_PTR (void, Aml, (ACPI_GET16 (Source) + Info->Value));
+            AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
+            break;
+
+
         case ACPI_RSC_SET8:
 
             ACPI_MEMSET (Destination, Info->AmlOffset, Info->Value);
@@ -243,11 +385,12 @@ AcpiRsConvertAmlToResource (
              * Optional ResourceSource (Index and String). This is the more
              * complicated case used by the Interrupt() macro
              */
-            Target = ACPI_ADD_PTR (char, Resource, Info->AmlOffset + (ItemCount * 4));
+            Target = ACPI_ADD_PTR (char, Resource,
+                Info->AmlOffset + (ItemCount * 4));
 
             Resource->Length +=
-                AcpiRsGetResourceSource (AmlResourceLength,
-                    (ACPI_RS_LENGTH) (((ItemCount - 1) * sizeof (UINT32)) + Info->Value),
+                AcpiRsGetResourceSource (AmlResourceLength, (ACPI_RS_LENGTH)
+                    (((ItemCount - 1) * sizeof (UINT32)) + Info->Value),
                     Destination, Aml, Target);
             break;
 
@@ -356,6 +499,7 @@ AcpiRsConvertResourceToAml (
 {
     void                    *Source = NULL;
     void                    *Destination;
+    char                    *Target;
     ACPI_RSDESC_SIZE        AmlLength = 0;
     UINT8                   Count;
     UINT16                  Temp16 = 0;
@@ -365,6 +509,11 @@ AcpiRsConvertResourceToAml (
     ACPI_FUNCTION_TRACE (RsConvertResourceToAml);
 
 
+    if (!Info)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
     /*
      * First table entry must be ACPI_RSC_INITxxx and must contain the
      * table length (# of table entries)
@@ -420,6 +569,15 @@ AcpiRsConvertResourceToAml (
             break;
 
 
+        case ACPI_RSC_3BITFLAG:
+            /*
+             * Mask and shift the flag bits
+             */
+            ACPI_SET8 (Destination) |= (UINT8)
+                ((ACPI_GET8 (Source) & 0x07) << Info->Value);
+            break;
+
+
         case ACPI_RSC_COUNT:
 
             ItemCount = ACPI_GET8 (Source);
@@ -437,6 +595,68 @@ AcpiRsConvertResourceToAml (
             break;
 
 
+        case ACPI_RSC_COUNT_GPIO_PIN:
+
+            ItemCount = ACPI_GET16 (Source);
+            ACPI_SET16 (Destination) = (UINT16) AmlLength;
+
+            AmlLength = (UINT16) (AmlLength + ItemCount * 2);
+            Target = ACPI_ADD_PTR (void, Aml, Info->Value);
+            ACPI_SET16 (Target) = (UINT16) AmlLength;
+            AcpiRsSetResourceLength (AmlLength, Aml);
+            break;
+
+
+        case ACPI_RSC_COUNT_GPIO_VEN:
+
+            ItemCount = ACPI_GET16 (Source);
+            ACPI_SET16 (Destination) = (UINT16) ItemCount;
+
+            AmlLength = (UINT16) (AmlLength + (Info->Value * ItemCount));
+            AcpiRsSetResourceLength (AmlLength, Aml);
+            break;
+
+
+        case ACPI_RSC_COUNT_GPIO_RES:
+
+            /* Set resource source string length */
+
+            ItemCount = ACPI_GET16 (Source);
+            ACPI_SET16 (Destination) = (UINT16) AmlLength;
+
+            /* Compute offset for the Vendor Data */
+
+            AmlLength = (UINT16) (AmlLength + ItemCount);
+            Target = ACPI_ADD_PTR (void, Aml, Info->Value);
+
+            /* Set vendor offset only if there is vendor data */
+
+            if (Resource->Data.Gpio.VendorLength)
+            {
+                ACPI_SET16 (Target) = (UINT16) AmlLength;
+            }
+
+            AcpiRsSetResourceLength (AmlLength, Aml);
+            break;
+
+
+        case ACPI_RSC_COUNT_SERIAL_VEN:
+
+            ItemCount = ACPI_GET16 (Source);
+            ACPI_SET16 (Destination) = ItemCount + Info->Value;
+            AmlLength = (UINT16) (AmlLength + ItemCount);
+            AcpiRsSetResourceLength (AmlLength, Aml);
+            break;
+
+
+        case ACPI_RSC_COUNT_SERIAL_RES:
+
+            ItemCount = ACPI_GET16 (Source);
+            AmlLength = (UINT16) (AmlLength + ItemCount);
+            AcpiRsSetResourceLength (AmlLength, Aml);
+            break;
+
+
         case ACPI_RSC_LENGTH:
 
             AcpiRsSetResourceLength (Info->Value, Aml);
@@ -456,6 +676,44 @@ AcpiRsConvertResourceToAml (
             break;
 
 
+        case ACPI_RSC_MOVE_GPIO_PIN:
+
+            Destination = (char *) ACPI_ADD_PTR (void, Aml,
+                  ACPI_GET16 (Destination));
+            Source = * (UINT16 **) Source;
+            AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
+            break;
+
+
+        case ACPI_RSC_MOVE_GPIO_RES:
+
+            /* Used for both ResourceSource string and VendorData */
+
+            Destination = (char *) ACPI_ADD_PTR (void, Aml,
+                  ACPI_GET16 (Destination));
+            Source = * (UINT8 **) Source;
+            AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
+            break;
+
+
+        case ACPI_RSC_MOVE_SERIAL_VEN:
+
+            Destination = (char *) ACPI_ADD_PTR (void, Aml,
+                  (AmlLength - ItemCount));
+            Source = * (UINT8 **) Source;
+            AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
+            break;
+
+
+        case ACPI_RSC_MOVE_SERIAL_RES:
+
+            Destination = (char *) ACPI_ADD_PTR (void, Aml,
+                  (AmlLength - ItemCount));
+            Source = * (UINT8 **) Source;
+            AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
+            break;
+
+
         case ACPI_RSC_ADDRESS:
 
             /* Set the Resource Type, General Flags, and Type-Specific Flags */
diff --git a/usr/src/uts/intel/io/acpica/resources/rsserial.c b/usr/src/uts/intel/io/acpica/resources/rsserial.c
new file mode 100644
index 0000000000..3a7784e96c
--- /dev/null
+++ b/usr/src/uts/intel/io/acpica/resources/rsserial.c
@@ -0,0 +1,425 @@
+/*******************************************************************************
+ *
+ * Module Name: rsserial - GPIO/SerialBus resource descriptors
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __RSIRQ_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acresrc.h"
+
+#define _COMPONENT          ACPI_RESOURCES
+        ACPI_MODULE_NAME    ("rsserial")
+
+
+/*******************************************************************************
+ *
+ * AcpiRsConvertGpio
+ *
+ ******************************************************************************/
+
+ACPI_RSCONVERT_INFO     AcpiRsConvertGpio[17] =
+{
+    {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_GPIO,
+                        ACPI_RS_SIZE (ACPI_RESOURCE_GPIO),
+                        ACPI_RSC_TABLE_SIZE (AcpiRsConvertGpio)},
+
+    {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_GPIO,
+                        sizeof (AML_RESOURCE_GPIO),
+                        0},
+
+    /*
+     * These fields are contiguous in both the source and destination:
+     * RevisionId
+     * ConnectionType
+     */
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Gpio.RevisionId),
+                        AML_OFFSET (Gpio.RevisionId),
+                        2},
+
+    {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Gpio.ProducerConsumer),
+                        AML_OFFSET (Gpio.Flags),
+                        0},
+
+    {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Gpio.Sharable),
+                        AML_OFFSET (Gpio.IntFlags),
+                        3},
+
+    {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Gpio.IoRestriction),
+                        AML_OFFSET (Gpio.IntFlags),
+                        0},
+
+    {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Gpio.Triggering),
+                        AML_OFFSET (Gpio.IntFlags),
+                        0},
+
+    {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Gpio.Polarity),
+                        AML_OFFSET (Gpio.IntFlags),
+                        1},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Gpio.PinConfig),
+                        AML_OFFSET (Gpio.PinConfig),
+                        1},
+
+    /*
+     * These fields are contiguous in both the source and destination:
+     * DriveStrength
+     * DebounceTimeout
+     */
+    {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.Gpio.DriveStrength),
+                        AML_OFFSET (Gpio.DriveStrength),
+                        2},
+
+    /* Pin Table */
+
+    {ACPI_RSC_COUNT_GPIO_PIN, ACPI_RS_OFFSET (Data.Gpio.PinTableLength),
+                        AML_OFFSET (Gpio.PinTableOffset),
+                        AML_OFFSET (Gpio.ResSourceOffset)},
+
+    {ACPI_RSC_MOVE_GPIO_PIN, ACPI_RS_OFFSET (Data.Gpio.PinTable),
+                        AML_OFFSET (Gpio.PinTableOffset),
+                        0},
+
+    /* Resource Source */
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Gpio.ResourceSource.Index),
+                        AML_OFFSET (Gpio.ResSourceIndex),
+                        1},
+
+    {ACPI_RSC_COUNT_GPIO_RES,  ACPI_RS_OFFSET (Data.Gpio.ResourceSource.StringLength),
+                        AML_OFFSET (Gpio.ResSourceOffset),
+                        AML_OFFSET (Gpio.VendorOffset)},
+
+    {ACPI_RSC_MOVE_GPIO_RES,   ACPI_RS_OFFSET (Data.Gpio.ResourceSource.StringPtr),
+                        AML_OFFSET (Gpio.ResSourceOffset),
+                        0},
+
+    /* Vendor Data */
+
+    {ACPI_RSC_COUNT_GPIO_VEN,   ACPI_RS_OFFSET (Data.Gpio.VendorLength),
+                        AML_OFFSET (Gpio.VendorLength),
+                        1},
+
+    {ACPI_RSC_MOVE_GPIO_RES,   ACPI_RS_OFFSET (Data.Gpio.VendorData),
+                        AML_OFFSET (Gpio.VendorOffset),
+                        0},
+};
+
+
+/*******************************************************************************
+ *
+ * AcpiRsConvertI2cSerialBus
+ *
+ ******************************************************************************/
+
+ACPI_RSCONVERT_INFO     AcpiRsConvertI2cSerialBus[16] =
+{
+    {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_SERIAL_BUS,
+                        ACPI_RS_SIZE (ACPI_RESOURCE_I2C_SERIALBUS),
+                        ACPI_RSC_TABLE_SIZE (AcpiRsConvertI2cSerialBus)},
+
+    {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_SERIAL_BUS,
+                        sizeof (AML_RESOURCE_I2C_SERIALBUS),
+                        0},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.RevisionId),
+                        AML_OFFSET (CommonSerialBus.RevisionId),
+                        1},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.Type),
+                        AML_OFFSET (CommonSerialBus.Type),
+                        1},
+
+    {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.SlaveMode),
+                        AML_OFFSET (CommonSerialBus.Flags),
+                        0},
+
+    {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.ProducerConsumer),
+                        AML_OFFSET (CommonSerialBus.Flags),
+                        1},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.TypeRevisionId),
+                        AML_OFFSET (CommonSerialBus.TypeRevisionId),
+                        1},
+
+    {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.CommonSerialBus.TypeDataLength),
+                        AML_OFFSET (CommonSerialBus.TypeDataLength),
+                        1},
+
+    /* Vendor data */
+
+    {ACPI_RSC_COUNT_SERIAL_VEN, ACPI_RS_OFFSET (Data.CommonSerialBus.VendorLength),
+                        AML_OFFSET (CommonSerialBus.TypeDataLength),
+                        AML_RESOURCE_I2C_MIN_DATA_LEN},
+
+    {ACPI_RSC_MOVE_SERIAL_VEN,  ACPI_RS_OFFSET (Data.CommonSerialBus.VendorData),
+                        0,
+                        sizeof (AML_RESOURCE_I2C_SERIALBUS)},
+
+    /* Resource Source */
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.Index),
+                        AML_OFFSET (CommonSerialBus.ResSourceIndex),
+                        1},
+
+    {ACPI_RSC_COUNT_SERIAL_RES, ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringLength),
+                        AML_OFFSET (CommonSerialBus.TypeDataLength),
+                        sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
+
+    {ACPI_RSC_MOVE_SERIAL_RES,  ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringPtr),
+                        AML_OFFSET (CommonSerialBus.TypeDataLength),
+                        sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
+
+    /* I2C bus type specific */
+
+    {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.I2cSerialBus.AccessMode),
+                        AML_OFFSET (I2cSerialBus.TypeSpecificFlags),
+                        0},
+
+    {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.I2cSerialBus.ConnectionSpeed),
+                        AML_OFFSET (I2cSerialBus.ConnectionSpeed),
+                        1},
+
+    {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.I2cSerialBus.SlaveAddress),
+                        AML_OFFSET (I2cSerialBus.SlaveAddress),
+                        1},
+};
+
+
+/*******************************************************************************
+ *
+ * AcpiRsConvertSpiSerialBus
+ *
+ ******************************************************************************/
+
+ACPI_RSCONVERT_INFO     AcpiRsConvertSpiSerialBus[20] =
+{
+    {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_SERIAL_BUS,
+                        ACPI_RS_SIZE (ACPI_RESOURCE_SPI_SERIALBUS),
+                        ACPI_RSC_TABLE_SIZE (AcpiRsConvertSpiSerialBus)},
+
+    {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_SERIAL_BUS,
+                        sizeof (AML_RESOURCE_SPI_SERIALBUS),
+                        0},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.RevisionId),
+                        AML_OFFSET (CommonSerialBus.RevisionId),
+                        1},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.Type),
+                        AML_OFFSET (CommonSerialBus.Type),
+                        1},
+
+    {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.SlaveMode),
+                        AML_OFFSET (CommonSerialBus.Flags),
+                        0},
+
+    {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.ProducerConsumer),
+                        AML_OFFSET (CommonSerialBus.Flags),
+                        1},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.TypeRevisionId),
+                        AML_OFFSET (CommonSerialBus.TypeRevisionId),
+                        1},
+
+    {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.CommonSerialBus.TypeDataLength),
+                        AML_OFFSET (CommonSerialBus.TypeDataLength),
+                        1},
+
+    /* Vendor data */
+
+    {ACPI_RSC_COUNT_SERIAL_VEN, ACPI_RS_OFFSET (Data.CommonSerialBus.VendorLength),
+                        AML_OFFSET (CommonSerialBus.TypeDataLength),
+                        AML_RESOURCE_SPI_MIN_DATA_LEN},
+
+    {ACPI_RSC_MOVE_SERIAL_VEN,  ACPI_RS_OFFSET (Data.CommonSerialBus.VendorData),
+                        0,
+                        sizeof (AML_RESOURCE_SPI_SERIALBUS)},
+
+    /* Resource Source */
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.Index),
+                        AML_OFFSET (CommonSerialBus.ResSourceIndex),
+                        1},
+
+    {ACPI_RSC_COUNT_SERIAL_RES, ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringLength),
+                        AML_OFFSET (CommonSerialBus.TypeDataLength),
+                        sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
+
+    {ACPI_RSC_MOVE_SERIAL_RES,  ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringPtr),
+                        AML_OFFSET (CommonSerialBus.TypeDataLength),
+                        sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
+
+    /* Spi bus type specific  */
+
+    {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.SpiSerialBus.WireMode),
+                        AML_OFFSET (SpiSerialBus.TypeSpecificFlags),
+                        0},
+
+    {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.SpiSerialBus.DevicePolarity),
+                        AML_OFFSET (SpiSerialBus.TypeSpecificFlags),
+                        1},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.SpiSerialBus.DataBitLength),
+                        AML_OFFSET (SpiSerialBus.DataBitLength),
+                        1},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.SpiSerialBus.ClockPhase),
+                        AML_OFFSET (SpiSerialBus.ClockPhase),
+                        1},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.SpiSerialBus.ClockPolarity),
+                        AML_OFFSET (SpiSerialBus.ClockPolarity),
+                        1},
+
+    {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.SpiSerialBus.DeviceSelection),
+                        AML_OFFSET (SpiSerialBus.DeviceSelection),
+                        1},
+
+    {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.SpiSerialBus.ConnectionSpeed),
+                        AML_OFFSET (SpiSerialBus.ConnectionSpeed),
+                        1},
+};
+
+
+/*******************************************************************************
+ *
+ * AcpiRsConvertUartSerialBus
+ *
+ ******************************************************************************/
+
+ACPI_RSCONVERT_INFO     AcpiRsConvertUartSerialBus[22] =
+{
+    {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_SERIAL_BUS,
+                        ACPI_RS_SIZE (ACPI_RESOURCE_UART_SERIALBUS),
+                        ACPI_RSC_TABLE_SIZE (AcpiRsConvertUartSerialBus)},
+
+    {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_SERIAL_BUS,
+                        sizeof (AML_RESOURCE_UART_SERIALBUS),
+                        0},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.RevisionId),
+                        AML_OFFSET (CommonSerialBus.RevisionId),
+                        1},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.Type),
+                        AML_OFFSET (CommonSerialBus.Type),
+                        1},
+
+    {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.SlaveMode),
+                        AML_OFFSET (CommonSerialBus.Flags),
+                        0},
+
+    {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.ProducerConsumer),
+                        AML_OFFSET (CommonSerialBus.Flags),
+                        1},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.TypeRevisionId),
+                        AML_OFFSET (CommonSerialBus.TypeRevisionId),
+                        1},
+
+    {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.CommonSerialBus.TypeDataLength),
+                        AML_OFFSET (CommonSerialBus.TypeDataLength),
+                        1},
+
+    /* Vendor data */
+
+    {ACPI_RSC_COUNT_SERIAL_VEN, ACPI_RS_OFFSET (Data.CommonSerialBus.VendorLength),
+                        AML_OFFSET (CommonSerialBus.TypeDataLength),
+                        AML_RESOURCE_UART_MIN_DATA_LEN},
+
+    {ACPI_RSC_MOVE_SERIAL_VEN,  ACPI_RS_OFFSET (Data.CommonSerialBus.VendorData),
+                        0,
+                        sizeof (AML_RESOURCE_UART_SERIALBUS)},
+
+    /* Resource Source */
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.Index),
+                        AML_OFFSET (CommonSerialBus.ResSourceIndex),
+                        1},
+
+    {ACPI_RSC_COUNT_SERIAL_RES, ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringLength),
+                        AML_OFFSET (CommonSerialBus.TypeDataLength),
+                        sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
+
+    {ACPI_RSC_MOVE_SERIAL_RES,  ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringPtr),
+                        AML_OFFSET (CommonSerialBus.TypeDataLength),
+                        sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
+
+    /* Uart bus type specific  */
+
+    {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.UartSerialBus.FlowControl),
+                        AML_OFFSET (UartSerialBus.TypeSpecificFlags),
+                        0},
+
+    {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.UartSerialBus.StopBits),
+                        AML_OFFSET (UartSerialBus.TypeSpecificFlags),
+                        2},
+
+    {ACPI_RSC_3BITFLAG, ACPI_RS_OFFSET (Data.UartSerialBus.DataBits),
+                        AML_OFFSET (UartSerialBus.TypeSpecificFlags),
+                        4},
+
+    {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.UartSerialBus.Endian),
+                        AML_OFFSET (UartSerialBus.TypeSpecificFlags),
+                        7},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.UartSerialBus.Parity),
+                        AML_OFFSET (UartSerialBus.Parity),
+                        1},
+
+    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.UartSerialBus.LinesEnabled),
+                        AML_OFFSET (UartSerialBus.LinesEnabled),
+                        1},
+
+    {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.UartSerialBus.RxFifoSize),
+                        AML_OFFSET (UartSerialBus.RxFifoSize),
+                        1},
+
+    {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.UartSerialBus.TxFifoSize),
+                        AML_OFFSET (UartSerialBus.TxFifoSize),
+                        1},
+
+    {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.UartSerialBus.DefaultBaudRate),
+                        AML_OFFSET (UartSerialBus.DefaultBaudRate),
+                        1},
+};
diff --git a/usr/src/uts/intel/io/acpica/resources/rsutils.c b/usr/src/uts/intel/io/acpica/resources/rsutils.c
index 400bbcd91f..062678651e 100644
--- a/usr/src/uts/intel/io/acpica/resources/rsutils.c
+++ b/usr/src/uts/intel/io/acpica/resources/rsutils.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -173,6 +173,9 @@ AcpiRsMoveData (
          * since there are no alignment or endian issues
          */
         case ACPI_RSC_MOVE8:
+        case ACPI_RSC_MOVE_GPIO_RES:
+        case ACPI_RSC_MOVE_SERIAL_VEN:
+        case ACPI_RSC_MOVE_SERIAL_RES:
             ACPI_MEMCPY (Destination, Source, ItemCount);
             return;
 
@@ -182,6 +185,7 @@ AcpiRsMoveData (
          * misaligned memory transfers
          */
         case ACPI_RSC_MOVE16:
+        case ACPI_RSC_MOVE_GPIO_PIN:
             ACPI_MOVE_16_TO_16 (&ACPI_CAST_PTR (UINT16, Destination)[i],
                                 &ACPI_CAST_PTR (UINT16, Source)[i]);
             break;
@@ -653,6 +657,61 @@ AcpiRsGetPrsMethodData (
 
 /*******************************************************************************
  *
+ * FUNCTION:    AcpiRsGetAeiMethodData
+ *
+ * PARAMETERS:  Node            - Device node
+ *              RetBuffer       - Pointer to a buffer structure for the
+ *                                results
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to get the _AEI value of an object
+ *              contained in an object specified by the handle passed in
+ *
+ *              If the function fails an appropriate status will be returned
+ *              and the contents of the callers buffer is undefined.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsGetAeiMethodData (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_BUFFER             *RetBuffer)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (RsGetAeiMethodData);
+
+
+    /* Parameters guaranteed valid by caller */
+
+    /* Execute the method, no parameters */
+
+    Status = AcpiUtEvaluateObject (Node, METHOD_NAME__AEI,
+                ACPI_BTYPE_BUFFER, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Make the call to create a resource linked list from the
+     * byte stream buffer that comes back from the _CRS method
+     * execution.
+     */
+    Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer);
+
+    /* On exit, we must delete the object returned by evaluateObject */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    AcpiRsGetMethodData
  *
  * PARAMETERS:  Handle          - Handle to the containing object
diff --git a/usr/src/uts/intel/io/acpica/resources/rsxface.c b/usr/src/uts/intel/io/acpica/resources/rsxface.c
index 0aea206b73..d8c3938b31 100644
--- a/usr/src/uts/intel/io/acpica/resources/rsxface.c
+++ b/usr/src/uts/intel/io/acpica/resources/rsxface.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -351,6 +351,52 @@ AcpiSetCurrentResources (
 ACPI_EXPORT_SYMBOL (AcpiSetCurrentResources)
 
 
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetEventResources
+ *
+ * PARAMETERS:  DeviceHandle    - Handle to the device object for the
+ *                                device we are getting resources
+ *              InBuffer        - Pointer to a buffer containing the
+ *                                resources to be set for the device
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to get the event resources for a
+ *              specific device. The caller must first acquire a handle for
+ *              the desired device. The resource data is passed to the routine
+ *              the buffer pointed to by the InBuffer variable. Uses the
+ *              _AEI method.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetEventResources (
+    ACPI_HANDLE             DeviceHandle,
+    ACPI_BUFFER             *RetBuffer)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node;
+
+
+    ACPI_FUNCTION_TRACE (AcpiGetEventResources);
+
+
+    /* Validate parameters then dispatch to internal routine */
+
+    Status = AcpiRsValidateParameters (DeviceHandle, RetBuffer, &Node);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiRsGetAeiMethodData (Node, RetBuffer);
+    return_ACPI_STATUS (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiGetEventResources)
+
+
 /******************************************************************************
  *
  * FUNCTION:    AcpiResourceToAddress64
@@ -544,8 +590,9 @@ AcpiRsMatchVendorResource (
  *
  * PARAMETERS:  DeviceHandle    - Handle to the device object for the
  *                                device we are querying
- *              Name            - Method name of the resources we want
- *                                (METHOD_NAME__CRS or METHOD_NAME__PRS)
+ *              Name            - Method name of the resources we want.
+ *                                (METHOD_NAME__CRS, METHOD_NAME__PRS, or
+ *                                METHOD_NAME__AEI)
  *              UserFunction    - Called for each resource
  *              Context         - Passed to UserFunction
  *
@@ -577,12 +624,13 @@ AcpiWalkResources (
 
     if (!DeviceHandle || !UserFunction || !Name ||
         (!ACPI_COMPARE_NAME (Name, METHOD_NAME__CRS) &&
-         !ACPI_COMPARE_NAME (Name, METHOD_NAME__PRS)))
+         !ACPI_COMPARE_NAME (Name, METHOD_NAME__PRS) &&
+         !ACPI_COMPARE_NAME (Name, METHOD_NAME__AEI)))
     {
         return_ACPI_STATUS (AE_BAD_PARAMETER);
     }
 
-    /* Get the _CRS or _PRS resource list */
+    /* Get the _CRS/_PRS/_AEI resource list */
 
     Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
     Status = AcpiRsGetMethodData (DeviceHandle, Name, &Buffer);
diff --git a/usr/src/uts/intel/io/acpica/tables/tbfadt.c b/usr/src/uts/intel/io/acpica/tables/tbfadt.c
index f8c63408b9..e877320447 100644
--- a/usr/src/uts/intel/io/acpica/tables/tbfadt.c
+++ b/usr/src/uts/intel/io/acpica/tables/tbfadt.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -77,14 +77,15 @@ AcpiTbSetupFadtRegisters (
 typedef struct acpi_fadt_info
 {
     char                    *Name;
-    UINT8                   Address64;
-    UINT8                   Address32;
-    UINT8                   Length;
+    UINT16                  Address64;
+    UINT16                  Address32;
+    UINT16                  Length;
     UINT8                   DefaultLength;
     UINT8                   Type;
 
 } ACPI_FADT_INFO;
 
+#define ACPI_FADT_OPTIONAL          0
 #define ACPI_FADT_REQUIRED          1
 #define ACPI_FADT_SEPARATE_LENGTH   2
 
@@ -102,7 +103,7 @@ static ACPI_FADT_INFO     FadtInfoTable[] =
         ACPI_FADT_OFFSET (Pm1bEventBlock),
         ACPI_FADT_OFFSET (Pm1EventLength),
         ACPI_PM1_REGISTER_WIDTH * 2,        /* Enable + Status register */
-        0},
+        ACPI_FADT_OPTIONAL},
 
     {"Pm1aControlBlock",
         ACPI_FADT_OFFSET (XPm1aControlBlock),
@@ -116,7 +117,7 @@ static ACPI_FADT_INFO     FadtInfoTable[] =
         ACPI_FADT_OFFSET (Pm1bControlBlock),
         ACPI_FADT_OFFSET (Pm1ControlLength),
         ACPI_PM1_REGISTER_WIDTH,
-        0},
+        ACPI_FADT_OPTIONAL},
 
     {"Pm2ControlBlock",
         ACPI_FADT_OFFSET (XPm2ControlBlock),
@@ -156,7 +157,7 @@ static ACPI_FADT_INFO     FadtInfoTable[] =
 typedef struct acpi_fadt_pm_info
 {
     ACPI_GENERIC_ADDRESS    *Target;
-    UINT8                   Source;
+    UINT16                  Source;
     UINT8                   RegisterNum;
 
 } ACPI_FADT_PM_INFO;
@@ -280,8 +281,13 @@ AcpiTbParseFadt (
     AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XDsdt,
         ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT);
 
-    AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XFacs,
-        ACPI_SIG_FACS, ACPI_TABLE_INDEX_FACS);
+    /* If Hardware Reduced flag is set, there is no FACS */
+
+    if (!AcpiGbl_ReducedHardware)
+    {
+        AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XFacs,
+            ACPI_SIG_FACS, ACPI_TABLE_INDEX_FACS);
+    }
 }
 
 
@@ -309,13 +315,13 @@ AcpiTbCreateLocalFadt (
 
     /*
      * Check if the FADT is larger than the largest table that we expect
-     * (the ACPI 2.0/3.0 version). If so, truncate the table, and issue
+     * (the ACPI 5.0 version). If so, truncate the table, and issue
      * a warning.
      */
     if (Length > sizeof (ACPI_TABLE_FADT))
     {
         ACPI_WARNING ((AE_INFO,
-            "FADT (revision %u) is longer than ACPI 2.0 version, "
+            "FADT (revision %u) is longer than ACPI 5.0 version, "
             "truncating length %u to %u",
             Table->Revision, Length, (UINT32) sizeof (ACPI_TABLE_FADT)));
     }
@@ -329,6 +335,14 @@ AcpiTbCreateLocalFadt (
     ACPI_MEMCPY (&AcpiGbl_FADT, Table,
         ACPI_MIN (Length, sizeof (ACPI_TABLE_FADT)));
 
+    /* Take a copy of the Hardware Reduced flag */
+
+    AcpiGbl_ReducedHardware = FALSE;
+    if (AcpiGbl_FADT.Flags & ACPI_FADT_HW_REDUCED)
+    {
+        AcpiGbl_ReducedHardware = TRUE;
+    }
+
     /* Convert the local copy of the FADT to the common internal format */
 
     AcpiTbConvertFadt ();
@@ -386,10 +400,6 @@ AcpiTbConvertFadt (
     UINT32                  i;
 
 
-    /* Update the local FADT table header length */
-
-    AcpiGbl_FADT.Header.Length = sizeof (ACPI_TABLE_FADT);
-
     /*
      * Expand the 32-bit FACS and DSDT addresses to 64-bit as necessary.
      * Later code will always use the X 64-bit field.
@@ -423,6 +433,13 @@ AcpiTbConvertFadt (
     }
 
     /*
+     * Now we can update the local FADT length to the length of the
+     * current FADT version as defined by the ACPI specification.
+     * Thus, we will have a common FADT internally.
+     */
+    AcpiGbl_FADT.Header.Length = sizeof (ACPI_TABLE_FADT);
+
+    /*
      * Expand the ACPI 1.0 32-bit addresses to the ACPI 2.0 64-bit "X"
      * generic address structures as necessary. Later code will always use
      * the 64-bit address structures.
@@ -530,6 +547,13 @@ AcpiTbValidateFadt (
         AcpiGbl_FADT.XDsdt = (UINT64) AcpiGbl_FADT.Dsdt;
     }
 
+    /* If Hardware Reduced flag is set, we are all done */
+
+    if (AcpiGbl_ReducedHardware)
+    {
+        return;
+    }
+
     /* Examine all of the 64-bit extended address fields (X fields) */
 
     for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++)
diff --git a/usr/src/uts/intel/io/acpica/tables/tbfind.c b/usr/src/uts/intel/io/acpica/tables/tbfind.c
index 3b7c420f01..d7e2440b32 100644
--- a/usr/src/uts/intel/io/acpica/tables/tbfind.c
+++ b/usr/src/uts/intel/io/acpica/tables/tbfind.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/tables/tbinstal.c b/usr/src/uts/intel/io/acpica/tables/tbinstal.c
index ab69691a1e..f100ab43f7 100644
--- a/usr/src/uts/intel/io/acpica/tables/tbinstal.c
+++ b/usr/src/uts/intel/io/acpica/tables/tbinstal.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -128,7 +128,6 @@ AcpiTbAddTable (
 {
     UINT32                  i;
     ACPI_STATUS             Status = AE_OK;
-    ACPI_TABLE_HEADER       *OverrideTable = NULL;
 
 
     ACPI_FUNCTION_TRACE (TbAddTable);
@@ -242,26 +241,10 @@ AcpiTbAddTable (
     /*
      * ACPI Table Override:
      * Allow the host to override dynamically loaded tables.
+     * NOTE: the table is fully mapped at this point, and the mapping will
+     * be deleted by TbTableOverride if the table is actually overridden.
      */
-    Status = AcpiOsTableOverride (TableDesc->Pointer, &OverrideTable);
-    if (ACPI_SUCCESS (Status) && OverrideTable)
-    {
-        ACPI_INFO ((AE_INFO,
-            "%4.4s @ 0x%p Table override, replaced with:",
-            TableDesc->Pointer->Signature,
-            ACPI_CAST_PTR (void, TableDesc->Address)));
-
-        /* We can delete the table that was passed as a parameter */
-
-        AcpiTbDeleteTable (TableDesc);
-
-        /* Setup descriptor for the new table */
-
-        TableDesc->Address = ACPI_PTR_TO_PHYSADDR (OverrideTable);
-        TableDesc->Pointer = OverrideTable;
-        TableDesc->Length = OverrideTable->Length;
-        TableDesc->Flags = ACPI_TABLE_ORIGIN_OVERRIDE;
-    }
+    (void) AcpiTbTableOverride (TableDesc->Pointer, TableDesc);
 
     /* Add the table to the global root table list */
 
@@ -283,6 +266,98 @@ Release:
 
 /*******************************************************************************
  *
+ * FUNCTION:    AcpiTbTableOverride
+ *
+ * PARAMETERS:  TableHeader         - Header for the original table
+ *              TableDesc           - Table descriptor initialized for the
+ *                                    original table. May or may not be mapped.
+ *
+ * RETURN:      Pointer to the entire new table. NULL if table not overridden.
+ *              If overridden, installs the new table within the input table
+ *              descriptor.
+ *
+ * DESCRIPTION: Attempt table override by calling the OSL override functions.
+ *              Note: If the table is overridden, then the entire new table
+ *              is mapped and returned by this function.
+ *
+ ******************************************************************************/
+
+ACPI_TABLE_HEADER *
+AcpiTbTableOverride (
+    ACPI_TABLE_HEADER       *TableHeader,
+    ACPI_TABLE_DESC         *TableDesc)
+{
+    ACPI_STATUS             Status;
+    ACPI_TABLE_HEADER       *NewTable = NULL;
+    ACPI_PHYSICAL_ADDRESS   NewAddress = 0;
+    UINT32                  NewTableLength = 0;
+    UINT8                   NewFlags;
+    char                    *OverrideType;
+
+
+    /* (1) Attempt logical override (returns a logical address) */
+
+    Status = AcpiOsTableOverride (TableHeader, &NewTable);
+    if (ACPI_SUCCESS (Status) && NewTable)
+    {
+        NewAddress = ACPI_PTR_TO_PHYSADDR (NewTable);
+        NewTableLength = NewTable->Length;
+        NewFlags = ACPI_TABLE_ORIGIN_OVERRIDE;
+        OverrideType = "Logical";
+        goto FinishOverride;
+    }
+
+    /* (2) Attempt physical override (returns a physical address) */
+
+    Status = AcpiOsPhysicalTableOverride (TableHeader,
+        &NewAddress, &NewTableLength);
+    if (ACPI_SUCCESS (Status) && NewAddress && NewTableLength)
+    {
+        /* Map the entire new table */
+
+        NewTable = AcpiOsMapMemory (NewAddress, NewTableLength);
+        if (!NewTable)
+        {
+            ACPI_EXCEPTION ((AE_INFO, AE_NO_MEMORY,
+                "%4.4s %p Attempted physical table override failed",
+                TableHeader->Signature,
+                ACPI_CAST_PTR (void, TableDesc->Address)));
+            return (NULL);
+        }
+
+        OverrideType = "Physical";
+        NewFlags = ACPI_TABLE_ORIGIN_MAPPED;
+        goto FinishOverride;
+    }
+
+    return (NULL); /* There was no override */
+
+
+FinishOverride:
+
+    ACPI_INFO ((AE_INFO,
+        "%4.4s %p %s table override, new table: %p",
+        TableHeader->Signature,
+        ACPI_CAST_PTR (void, TableDesc->Address),
+        OverrideType, NewTable));
+
+    /* We can now unmap/delete the original table (if fully mapped) */
+
+    AcpiTbDeleteTable (TableDesc);
+
+    /* Setup descriptor for the new table */
+
+    TableDesc->Address = NewAddress;
+    TableDesc->Pointer = NewTable;
+    TableDesc->Length = NewTableLength;
+    TableDesc->Flags = NewFlags;
+
+    return (NewTable);
+}
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    AcpiTbResizeRootTableList
  *
  * PARAMETERS:  None
@@ -435,8 +510,10 @@ AcpiTbDeleteTable (
         ACPI_FREE (TableDesc->Pointer);
         break;
 
+    /* Not mapped or allocated, there is nothing we can do */
+
     default:
-        break;
+        return;
     }
 
     TableDesc->Pointer = NULL;
diff --git a/usr/src/uts/intel/io/acpica/tables/tbutils.c b/usr/src/uts/intel/io/acpica/tables/tbutils.c
index bff6540e07..e8b5705e96 100644
--- a/usr/src/uts/intel/io/acpica/tables/tbutils.c
+++ b/usr/src/uts/intel/io/acpica/tables/tbutils.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -50,6 +50,7 @@
 #define _COMPONENT          ACPI_TABLES
         ACPI_MODULE_NAME    ("tbutils")
 
+
 /* Local prototypes */
 
 static void
@@ -68,6 +69,7 @@ AcpiTbGetRootTableEntry (
     UINT32                  TableEntrySize);
 
 
+#if (!ACPI_REDUCED_HARDWARE)
 /*******************************************************************************
  *
  * FUNCTION:    AcpiTbInitializeFacs
@@ -88,10 +90,19 @@ AcpiTbInitializeFacs (
     ACPI_STATUS             Status;
 
 
+    /* If Hardware Reduced flag is set, there is no FACS */
+
+    if (AcpiGbl_ReducedHardware)
+    {
+        AcpiGbl_FACS = NULL;
+        return (AE_OK);
+    }
+
     Status = AcpiGetTableByIndex (ACPI_TABLE_INDEX_FACS,
                 ACPI_CAST_INDIRECT_PTR (ACPI_TABLE_HEADER, &AcpiGbl_FACS));
     return (Status);
 }
+#endif /* !ACPI_REDUCED_HARDWARE */
 
 
 /*******************************************************************************
@@ -415,7 +426,7 @@ AcpiTbCopyDsdt (
  * RETURN:      None
  *
  * DESCRIPTION: Install an ACPI table into the global data structure. The
- *              table override mechanism is implemented here to allow the host
+ *              table override mechanism is called to allow the host
  *              OS to replace any table before it is installed in the root
  *              table array.
  *
@@ -427,11 +438,9 @@ AcpiTbInstallTable (
     char                    *Signature,
     UINT32                  TableIndex)
 {
-    UINT8                   Flags;
-    ACPI_STATUS             Status;
-    ACPI_TABLE_HEADER       *TableToInstall;
-    ACPI_TABLE_HEADER       *MappedTable;
-    ACPI_TABLE_HEADER       *OverrideTable = NULL;
+    ACPI_TABLE_HEADER       *Table;
+    ACPI_TABLE_HEADER       *FinalTable;
+    ACPI_TABLE_DESC         *TableDesc;
 
 
     if (!Address)
@@ -443,70 +452,84 @@ AcpiTbInstallTable (
 
     /* Map just the table header */
 
-    MappedTable = AcpiOsMapMemory (Address, sizeof (ACPI_TABLE_HEADER));
-    if (!MappedTable)
+    Table = AcpiOsMapMemory (Address, sizeof (ACPI_TABLE_HEADER));
+    if (!Table)
     {
+        ACPI_ERROR ((AE_INFO, "Could not map memory for table [%s] at %p",
+            Signature, ACPI_CAST_PTR (void, Address)));
         return;
     }
 
     /* If a particular signature is expected (DSDT/FACS), it must match */
 
     if (Signature &&
-        !ACPI_COMPARE_NAME (MappedTable->Signature, Signature))
+        !ACPI_COMPARE_NAME (Table->Signature, Signature))
     {
         ACPI_ERROR ((AE_INFO,
             "Invalid signature 0x%X for ACPI table, expected [%s]",
-            *ACPI_CAST_PTR (UINT32, MappedTable->Signature), Signature));
+            *ACPI_CAST_PTR (UINT32, Table->Signature), Signature));
         goto UnmapAndExit;
     }
 
     /*
+     * Initialize the table entry. Set the pointer to NULL, since the
+     * table is not fully mapped at this time.
+     */
+    TableDesc = &AcpiGbl_RootTableList.Tables[TableIndex];
+
+    TableDesc->Address = Address;
+    TableDesc->Pointer = NULL;
+    TableDesc->Length = Table->Length;
+    TableDesc->Flags = ACPI_TABLE_ORIGIN_MAPPED;
+    ACPI_MOVE_32_TO_32 (TableDesc->Signature.Ascii, Table->Signature);
+
+    /*
      * ACPI Table Override:
      *
      * Before we install the table, let the host OS override it with a new
      * one if desired. Any table within the RSDT/XSDT can be replaced,
      * including the DSDT which is pointed to by the FADT.
+     *
+     * NOTE: If the table is overridden, then FinalTable will contain a
+     * mapped pointer to the full new table. If the table is not overridden,
+     * or if there has been a physical override, then the table will be
+     * fully mapped later (in verify table). In any case, we must
+     * unmap the header that was mapped above.
      */
-    Status = AcpiOsTableOverride (MappedTable, &OverrideTable);
-    if (ACPI_SUCCESS (Status) && OverrideTable)
+    FinalTable = AcpiTbTableOverride (Table, TableDesc);
+    if (!FinalTable)
     {
-        ACPI_INFO ((AE_INFO,
-            "%4.4s @ 0x%p Table override, replaced with:",
-            MappedTable->Signature, ACPI_CAST_PTR (void, Address)));
-
-        AcpiGbl_RootTableList.Tables[TableIndex].Pointer = OverrideTable;
-        Address = ACPI_PTR_TO_PHYSADDR (OverrideTable);
-
-        TableToInstall = OverrideTable;
-        Flags = ACPI_TABLE_ORIGIN_OVERRIDE;
-    }
-    else
-    {
-        TableToInstall = MappedTable;
-        Flags = ACPI_TABLE_ORIGIN_MAPPED;
+        FinalTable = Table; /* There was no override */
     }
 
-    /* Initialize the table entry */
-
-    AcpiGbl_RootTableList.Tables[TableIndex].Address = Address;
-    AcpiGbl_RootTableList.Tables[TableIndex].Length = TableToInstall->Length;
-    AcpiGbl_RootTableList.Tables[TableIndex].Flags = Flags;
-
-    ACPI_MOVE_32_TO_32 (
-        &(AcpiGbl_RootTableList.Tables[TableIndex].Signature),
-        TableToInstall->Signature);
+    AcpiTbPrintTableHeader (TableDesc->Address, FinalTable);
 
-    AcpiTbPrintTableHeader (Address, TableToInstall);
+    /* Set the global integer width (based upon revision of the DSDT) */
 
     if (TableIndex == ACPI_TABLE_INDEX_DSDT)
     {
-        /* Global integer width is based upon revision of the DSDT */
+        AcpiUtSetIntegerWidth (FinalTable->Revision);
+    }
 
-        AcpiUtSetIntegerWidth (TableToInstall->Revision);
+    /*
+     * If we have a physical override during this early loading of the ACPI
+     * tables, unmap the table for now. It will be mapped again later when
+     * it is actually used. This supports very early loading of ACPI tables,
+     * before virtual memory is fully initialized and running within the
+     * host OS. Note: A logical override has the ACPI_TABLE_ORIGIN_OVERRIDE
+     * flag set and will not be deleted below.
+     */
+    if (FinalTable != Table)
+    {
+        AcpiTbDeleteTable (TableDesc);
     }
 
+
 UnmapAndExit:
-    AcpiOsUnmapMemory (MappedTable, sizeof (ACPI_TABLE_HEADER));
+
+    /* Always unmap the table header that we mapped above */
+
+    AcpiOsUnmapMemory (Table, sizeof (ACPI_TABLE_HEADER));
 }
 
 
diff --git a/usr/src/uts/intel/io/acpica/tables/tbxface.c b/usr/src/uts/intel/io/acpica/tables/tbxface.c
index 465bf95c64..58dae6935d 100644
--- a/usr/src/uts/intel/io/acpica/tables/tbxface.c
+++ b/usr/src/uts/intel/io/acpica/tables/tbxface.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/tables/tbxfroot.c b/usr/src/uts/intel/io/acpica/tables/tbxfroot.c
index e447108ebe..17e52ef7f4 100644
--- a/usr/src/uts/intel/io/acpica/tables/tbxfroot.c
+++ b/usr/src/uts/intel/io/acpica/tables/tbxfroot.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/utilities/utaddress.c b/usr/src/uts/intel/io/acpica/utilities/utaddress.c
new file mode 100644
index 0000000000..0b357b681b
--- /dev/null
+++ b/usr/src/uts/intel/io/acpica/utilities/utaddress.c
@@ -0,0 +1,322 @@
+/******************************************************************************
+ *
+ * Module Name: utaddress - OpRegion address range check
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTADDRESS_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utaddress")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAddAddressRange
+ *
+ * PARAMETERS:  SpaceId             - Address space ID
+ *              Address             - OpRegion start address
+ *              Length              - OpRegion length
+ *              RegionNode          - OpRegion namespace node
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Add the Operation Region address range to the global list.
+ *              The only supported Space IDs are Memory and I/O. Called when
+ *              the OpRegion address/length operands are fully evaluated.
+ *
+ * MUTEX:       Locks the namespace
+ *
+ * NOTE: Because this interface is only called when an OpRegion argument
+ * list is evaluated, there cannot be any duplicate RegionNodes.
+ * Duplicate Address/Length values are allowed, however, so that multiple
+ * address conflicts can be detected.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtAddAddressRange (
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  Length,
+    ACPI_NAMESPACE_NODE     *RegionNode)
+{
+    ACPI_ADDRESS_RANGE      *RangeInfo;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (UtAddAddressRange);
+
+
+    if ((SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
+        (SpaceId != ACPI_ADR_SPACE_SYSTEM_IO))
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Allocate/init a new info block, add it to the appropriate list */
+
+    RangeInfo = ACPI_ALLOCATE (sizeof (ACPI_ADDRESS_RANGE));
+    if (!RangeInfo)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    RangeInfo->StartAddress = Address;
+    RangeInfo->EndAddress = (Address + Length - 1);
+    RangeInfo->RegionNode = RegionNode;
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_FREE (RangeInfo);
+        return_ACPI_STATUS (Status);
+    }
+
+    RangeInfo->Next = AcpiGbl_AddressRangeList[SpaceId];
+    AcpiGbl_AddressRangeList[SpaceId] = RangeInfo;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+        "\nAdded [%4.4s] address range: 0x%p-0x%p\n",
+        AcpiUtGetNodeName (RangeInfo->RegionNode),
+        ACPI_CAST_PTR (void, Address),
+        ACPI_CAST_PTR (void, RangeInfo->EndAddress)));
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtRemoveAddressRange
+ *
+ * PARAMETERS:  SpaceId             - Address space ID
+ *              RegionNode          - OpRegion namespace node
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Remove the Operation Region from the global list. The only
+ *              supported Space IDs are Memory and I/O. Called when an
+ *              OpRegion is deleted.
+ *
+ * MUTEX:       Assumes the namespace is locked
+ *
+ ******************************************************************************/
+
+void
+AcpiUtRemoveAddressRange (
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_NAMESPACE_NODE     *RegionNode)
+{
+    ACPI_ADDRESS_RANGE      *RangeInfo;
+    ACPI_ADDRESS_RANGE      *Prev;
+
+
+    ACPI_FUNCTION_TRACE (UtRemoveAddressRange);
+
+
+    if ((SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
+        (SpaceId != ACPI_ADR_SPACE_SYSTEM_IO))
+    {
+        return_VOID;
+    }
+
+    /* Get the appropriate list head and check the list */
+
+    RangeInfo = Prev = AcpiGbl_AddressRangeList[SpaceId];
+    while (RangeInfo)
+    {
+        if (RangeInfo->RegionNode == RegionNode)
+        {
+            if (RangeInfo == Prev) /* Found at list head */
+            {
+                AcpiGbl_AddressRangeList[SpaceId] = RangeInfo->Next;
+            }
+            else
+            {
+                Prev->Next = RangeInfo->Next;
+            }
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+                "\nRemoved [%4.4s] address range: 0x%p-0x%p\n",
+                AcpiUtGetNodeName (RangeInfo->RegionNode),
+                ACPI_CAST_PTR (void, RangeInfo->StartAddress),
+                ACPI_CAST_PTR (void, RangeInfo->EndAddress)));
+
+            ACPI_FREE (RangeInfo);
+            return_VOID;
+        }
+
+        Prev = RangeInfo;
+        RangeInfo = RangeInfo->Next;
+    }
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCheckAddressRange
+ *
+ * PARAMETERS:  SpaceId             - Address space ID
+ *              Address             - Start address
+ *              Length              - Length of address range
+ *              Warn                - TRUE if warning on overlap desired
+ *
+ * RETURN:      Count of the number of conflicts detected. Zero is always
+ *              returned for Space IDs other than Memory or I/O.
+ *
+ * DESCRIPTION: Check if the input address range overlaps any of the
+ *              ASL operation region address ranges. The only supported
+ *              Space IDs are Memory and I/O.
+ *
+ * MUTEX:       Assumes the namespace is locked.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiUtCheckAddressRange (
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  Length,
+    BOOLEAN                 Warn)
+{
+    ACPI_ADDRESS_RANGE      *RangeInfo;
+    ACPI_PHYSICAL_ADDRESS   EndAddress;
+    char                    *Pathname;
+    UINT32                  OverlapCount = 0;
+
+
+    ACPI_FUNCTION_TRACE (UtCheckAddressRange);
+
+
+    if ((SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
+        (SpaceId != ACPI_ADR_SPACE_SYSTEM_IO))
+    {
+        return_UINT32 (0);
+    }
+
+    RangeInfo = AcpiGbl_AddressRangeList[SpaceId];
+    EndAddress = Address + Length - 1;
+
+    /* Check entire list for all possible conflicts */
+
+    while (RangeInfo)
+    {
+        /*
+         * Check if the requested Address/Length overlaps this AddressRange.
+         * Four cases to consider:
+         *
+         * 1) Input address/length is contained completely in the address range
+         * 2) Input address/length overlaps range at the range start
+         * 3) Input address/length overlaps range at the range end
+         * 4) Input address/length completely encompasses the range
+         */
+        if ((Address <= RangeInfo->EndAddress) &&
+            (EndAddress >= RangeInfo->StartAddress))
+        {
+            /* Found an address range overlap */
+
+            OverlapCount++;
+            if (Warn)   /* Optional warning message */
+            {
+                Pathname = AcpiNsGetExternalPathname (RangeInfo->RegionNode);
+
+                ACPI_WARNING ((AE_INFO,
+                    "0x%p-0x%p %s conflicts with Region %s %d",
+                    ACPI_CAST_PTR (void, Address),
+                    ACPI_CAST_PTR (void, EndAddress),
+                    AcpiUtGetRegionName (SpaceId), Pathname, OverlapCount));
+                ACPI_FREE (Pathname);
+            }
+        }
+
+        RangeInfo = RangeInfo->Next;
+    }
+
+    return_UINT32 (OverlapCount);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteAddressLists
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Delete all global address range lists (called during
+ *              subsystem shutdown).
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDeleteAddressLists (
+    void)
+{
+    ACPI_ADDRESS_RANGE      *Next;
+    ACPI_ADDRESS_RANGE      *RangeInfo;
+    int                     i;
+
+
+    /* Delete all elements in all address range lists */
+
+    for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++)
+    {
+        Next = AcpiGbl_AddressRangeList[i];
+
+        while (Next)
+        {
+            RangeInfo = Next;
+            Next = RangeInfo->Next;
+            ACPI_FREE (RangeInfo);
+        }
+
+        AcpiGbl_AddressRangeList[i] = NULL;
+    }
+}
diff --git a/usr/src/uts/intel/io/acpica/utilities/utalloc.c b/usr/src/uts/intel/io/acpica/utilities/utalloc.c
index 4c024f1a30..d2eb11edcb 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utalloc.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utalloc.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/utilities/utcache.c b/usr/src/uts/intel/io/acpica/utilities/utcache.c
index 96d64b05a5..7b3abe2894 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utcache.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utcache.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/utilities/utclib.c b/usr/src/uts/intel/io/acpica/utilities/utclib.c
index 70d17bb1be..d0153ec5d2 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utclib.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utclib.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/utilities/utcopy.c b/usr/src/uts/intel/io/acpica/utilities/utcopy.c
index 907f272f7e..ab04a7a7aa 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utcopy.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utcopy.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/utilities/utdebug.c b/usr/src/uts/intel/io/acpica/utilities/utdebug.c
index 24d2eb5cfa..051d47b443 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utdebug.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utdebug.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/utilities/utdecode.c b/usr/src/uts/intel/io/acpica/utilities/utdecode.c
index feca6c725c..718d73db4e 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utdecode.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utdecode.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -187,7 +187,9 @@ const char        *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS] =
     "SMBus",
     "SystemCMOS",
     "PCIBARTarget",
-    "IPMI"
+    "IPMI",
+    "GeneralPurposeIo",
+    "GenericSerialBus"
 };
 
 
@@ -565,20 +567,21 @@ AcpiUtGetMutexName (
 
 /* Names for Notify() values, used for debug output */
 
-static const char           *AcpiGbl_NotifyValueNames[] =
+static const char           *AcpiGbl_NotifyValueNames[ACPI_NOTIFY_MAX + 1] =
 {
-    "Bus Check",
-    "Device Check",
-    "Device Wake",
-    "Eject Request",
-    "Device Check Light",
-    "Frequency Mismatch",
-    "Bus Mode Mismatch",
-    "Power Fault",
-    "Capabilities Check",
-    "Device PLD Check",
-    "Reserved",
-    "System Locality Update"
+    /* 00 */ "Bus Check",
+    /* 01 */ "Device Check",
+    /* 02 */ "Device Wake",
+    /* 03 */ "Eject Request",
+    /* 04 */ "Device Check Light",
+    /* 05 */ "Frequency Mismatch",
+    /* 06 */ "Bus Mode Mismatch",
+    /* 07 */ "Power Fault",
+    /* 08 */ "Capabilities Check",
+    /* 09 */ "Device PLD Check",
+    /* 10 */ "Reserved",
+    /* 11 */ "System Locality Update",
+    /* 12 */ "Shutdown Request"
 };
 
 const char *
@@ -594,9 +597,13 @@ AcpiUtGetNotifyName (
     {
         return ("Reserved");
     }
-    else /* Greater or equal to 0x80 */
+    else if (NotifyValue <= ACPI_MAX_DEVICE_SPECIFIC_NOTIFY)
     {
-        return ("**Device Specific**");
+        return ("Device Specific");
+    }
+    else
+    {
+        return ("Hardware Specific");
     }
 }
 #endif
diff --git a/usr/src/uts/intel/io/acpica/utilities/utdelete.c b/usr/src/uts/intel/io/acpica/utilities/utdelete.c
index b87d2f0d59..fb32611121 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utdelete.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utdelete.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -167,7 +167,7 @@ AcpiUtDeleteInternalObj (
     case ACPI_TYPE_PROCESSOR:
     case ACPI_TYPE_THERMAL:
 
-        /* Walk the notify handler list for this object */
+        /* Walk the address handler list for this object */
 
         HandlerDesc = Object->CommonNotify.Handler;
         while (HandlerDesc)
@@ -235,6 +235,16 @@ AcpiUtDeleteInternalObj (
         ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
             "***** Region %p\n", Object));
 
+        /*
+         * Update AddressRange list. However, only permanent regions
+         * are installed in this list. (Not created within a method)
+         */
+        if (!(Object->Region.Node->Flags & ANOBJ_TEMPORARY))
+        {
+            AcpiUtRemoveAddressRange (Object->Region.SpaceId,
+                Object->Region.Node);
+        }
+
         SecondDesc = AcpiNsGetSecondaryObject (Object);
         if (SecondDesc)
         {
@@ -513,6 +523,7 @@ AcpiUtUpdateObjectReference (
     ACPI_STATUS             Status = AE_OK;
     ACPI_GENERIC_STATE      *StateList = NULL;
     ACPI_OPERAND_OBJECT     *NextObject = NULL;
+    ACPI_OPERAND_OBJECT     *PrevObject;
     ACPI_GENERIC_STATE      *State;
     UINT32                  i;
 
@@ -542,10 +553,20 @@ AcpiUtUpdateObjectReference (
         case ACPI_TYPE_POWER:
         case ACPI_TYPE_THERMAL:
 
-            /* Update the notify objects for these types (if present) */
-
-            AcpiUtUpdateRefCount (Object->CommonNotify.SystemNotify, Action);
-            AcpiUtUpdateRefCount (Object->CommonNotify.DeviceNotify, Action);
+            /*
+             * Update the notify objects for these types (if present)
+             * Two lists, system and device notify handlers.
+             */
+            for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++)
+            {
+                PrevObject = Object->CommonNotify.NotifyList[i];
+                while (PrevObject)
+                {
+                    NextObject = PrevObject->Notify.Next[i];
+                    AcpiUtUpdateRefCount (PrevObject, Action);
+                    PrevObject = NextObject;
+                }
+            }
             break;
 
         case ACPI_TYPE_PACKAGE:
diff --git a/usr/src/uts/intel/io/acpica/utilities/uteval.c b/usr/src/uts/intel/io/acpica/utilities/uteval.c
index 0042f411ff..0bcb894b58 100644
--- a/usr/src/uts/intel/io/acpica/utilities/uteval.c
+++ b/usr/src/uts/intel/io/acpica/utilities/uteval.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/utilities/utglobal.c b/usr/src/uts/intel/io/acpica/utilities/utglobal.c
index 336f6706c1..f913e32228 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utglobal.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utglobal.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -155,6 +155,7 @@ const ACPI_PREDEFINED_NAMES     AcpiGbl_PreDefinedNames[] =
 };
 
 
+#if (!ACPI_REDUCED_HARDWARE)
 /******************************************************************************
  *
  * Event and Hardware globals
@@ -199,6 +200,7 @@ ACPI_FIXED_EVENT_INFO       AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
     /* ACPI_EVENT_SLEEP_BUTTON  */  {ACPI_BITREG_SLEEP_BUTTON_STATUS,   ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
     /* ACPI_EVENT_RTC           */  {ACPI_BITREG_RT_CLOCK_STATUS,       ACPI_BITREG_RT_CLOCK_ENABLE,     ACPI_BITMASK_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_ENABLE},
 };
+#endif /* !ACPI_REDUCED_HARDWARE */
 
 
 /*******************************************************************************
@@ -233,6 +235,13 @@ AcpiUtInitGlobals (
         return_ACPI_STATUS (Status);
     }
 
+    /* Address Range lists */
+
+    for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++)
+    {
+        AcpiGbl_AddressRangeList[i] = NULL;
+    }
+
     /* Mutex locked flags */
 
     for (i = 0; i < ACPI_NUM_MUTEX; i++)
@@ -262,6 +271,8 @@ AcpiUtInitGlobals (
         AcpiFixedEventCount[i]              = 0;
     }
 
+#if (!ACPI_REDUCED_HARDWARE)
+
     /* GPE support */
 
     AcpiGbl_AllGpesInitialized          = FALSE;
@@ -270,15 +281,18 @@ AcpiUtInitGlobals (
     AcpiGbl_GpeFadtBlocks[1]            = NULL;
     AcpiCurrentGpeCount                 = 0;
 
+    AcpiGbl_GlobalEventHandler          = NULL;
+
+#endif /* !ACPI_REDUCED_HARDWARE */
+
     /* Global handlers */
 
-    AcpiGbl_SystemNotify.Handler        = NULL;
-    AcpiGbl_DeviceNotify.Handler        = NULL;
+    AcpiGbl_GlobalNotify[0].Handler     = NULL;
+    AcpiGbl_GlobalNotify[1].Handler     = NULL;
     AcpiGbl_ExceptionHandler            = NULL;
     AcpiGbl_InitHandler                 = NULL;
     AcpiGbl_TableHandler                = NULL;
     AcpiGbl_InterfaceHandler            = NULL;
-    AcpiGbl_GlobalEventHandler          = NULL;
 
     /* Global Lock support */
 
diff --git a/usr/src/uts/intel/io/acpica/utilities/utids.c b/usr/src/uts/intel/io/acpica/utilities/utids.c
index 36dc3afce6..226d8c1631 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utids.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utids.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/utilities/utinit.c b/usr/src/uts/intel/io/acpica/utilities/utinit.c
index 9e253f01d3..6831595e68 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utinit.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utinit.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -58,21 +58,33 @@
 static void AcpiUtTerminate (
     void);
 
+#if (!ACPI_REDUCED_HARDWARE)
 
+static void
+AcpiUtFreeGpeLists (
+    void);
+
+#else
+
+#define AcpiUtFreeGpeLists()
+#endif /* !ACPI_REDUCED_HARDWARE */
+
+
+#if (!ACPI_REDUCED_HARDWARE)
 /******************************************************************************
  *
- * FUNCTION:    AcpiUtTerminate
+ * FUNCTION:    AcpiUtFreeGpeLists
  *
  * PARAMETERS:  none
  *
  * RETURN:      none
  *
- * DESCRIPTION: Free global memory
+ * DESCRIPTION: Free global GPE lists
  *
  ******************************************************************************/
 
 static void
-AcpiUtTerminate (
+AcpiUtFreeGpeLists (
     void)
 {
     ACPI_GPE_BLOCK_INFO     *GpeBlock;
@@ -81,9 +93,6 @@ AcpiUtTerminate (
     ACPI_GPE_XRUPT_INFO     *NextGpeXruptInfo;
 
 
-    ACPI_FUNCTION_TRACE (UtTerminate);
-
-
     /* Free global GPE blocks and related info structures */
 
     GpeXruptInfo = AcpiGbl_GpeXruptListHead;
@@ -103,7 +112,30 @@ AcpiUtTerminate (
         ACPI_FREE (GpeXruptInfo);
         GpeXruptInfo = NextGpeXruptInfo;
     }
+}
+#endif /* !ACPI_REDUCED_HARDWARE */
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiUtTerminate
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: Free global memory
+ *
+ ******************************************************************************/
+
+static void
+AcpiUtTerminate (
+    void)
+{
+    ACPI_FUNCTION_TRACE (UtTerminate);
 
+    AcpiUtFreeGpeLists ();
+    AcpiUtDeleteAddressLists ();
     return_VOID;
 }
 
diff --git a/usr/src/uts/intel/io/acpica/utilities/utlock.c b/usr/src/uts/intel/io/acpica/utilities/utlock.c
index fd2fb2bb1d..61585ad499 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utlock.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utlock.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/utilities/utmath.c b/usr/src/uts/intel/io/acpica/utilities/utmath.c
index 032b72d074..d0fad7cb6c 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utmath.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utmath.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/utilities/utmisc.c b/usr/src/uts/intel/io/acpica/utilities/utmisc.c
index d20ad7e3a1..062c768e72 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utmisc.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utmisc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -466,6 +466,44 @@ AcpiUtStrlwr (
 
     return;
 }
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStricmp
+ *
+ * PARAMETERS:  String1             - first string to compare
+ *              String2             - second string to compare
+ *
+ * RETURN:      int that signifies string relationship. Zero means strings
+ *              are equal.
+ *
+ * DESCRIPTION: Implementation of the non-ANSI stricmp function (compare
+ *              strings with no case sensitivity)
+ *
+ ******************************************************************************/
+
+int
+AcpiUtStricmp (
+    char                    *String1,
+    char                    *String2)
+{
+    int                     c1;
+    int                     c2;
+
+
+    do
+    {
+        c1 = tolower ((int) *String1);
+        c2 = tolower ((int) *String2);
+
+        String1++;
+        String2++;
+    }
+    while ((c1 == c2) && (c1));
+
+    return (c1 - c2);
+}
 #endif
 
 
diff --git a/usr/src/uts/intel/io/acpica/utilities/utmutex.c b/usr/src/uts/intel/io/acpica/utilities/utmutex.c
index f7af803de1..f1cdb01804 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utmutex.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utmutex.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -335,15 +335,10 @@ ACPI_STATUS
 AcpiUtReleaseMutex (
     ACPI_MUTEX_HANDLE       MutexId)
 {
-    ACPI_THREAD_ID          ThisThreadId;
-
-
     ACPI_FUNCTION_NAME (UtReleaseMutex);
 
-
-    ThisThreadId = AcpiOsGetThreadId ();
     ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %u releasing Mutex [%s]\n",
-        (UINT32) ThisThreadId, AcpiUtGetMutexName (MutexId)));
+        (UINT32) AcpiOsGetThreadId (), AcpiUtGetMutexName (MutexId)));
 
     if (MutexId > ACPI_MAX_MUTEX)
     {
@@ -374,7 +369,7 @@ AcpiUtReleaseMutex (
          */
         for (i = MutexId; i < ACPI_NUM_MUTEX; i++)
         {
-            if (AcpiGbl_MutexInfo[i].ThreadId == ThisThreadId)
+            if (AcpiGbl_MutexInfo[i].ThreadId == AcpiOsGetThreadId ())
             {
                 if (i == MutexId)
                 {
diff --git a/usr/src/uts/intel/io/acpica/utilities/utobject.c b/usr/src/uts/intel/io/acpica/utilities/utobject.c
index ea621c741e..fea140946c 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utobject.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utobject.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/utilities/utosi.c b/usr/src/uts/intel/io/acpica/utilities/utosi.c
index 053d6adc9b..dcce8a99e1 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utosi.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utosi.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/utilities/utresrc.c b/usr/src/uts/intel/io/acpica/utilities/utresrc.c
index 468ffd6a1a..c2c135b7d2 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utresrc.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utresrc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -46,7 +46,7 @@
 
 #include "acpi.h"
 #include "accommon.h"
-#include "amlresrc.h"
+#include "acresrc.h"
 
 
 #define _COMPONENT          ACPI_UTILITIES
@@ -179,6 +179,154 @@ const char                      *AcpiGbl_TypDecode[] =
     "TypeF"
 };
 
+const char                      *AcpiGbl_PpcDecode[] =
+{
+    "PullDefault",
+    "PullUp",
+    "PullDown",
+    "PullNone"
+};
+
+const char                      *AcpiGbl_IorDecode[] =
+{
+    "IoRestrictionNone",
+    "IoRestrictionInputOnly",
+    "IoRestrictionOutputOnly",
+    "IoRestrictionNoneAndPreserve"
+};
+
+const char                      *AcpiGbl_DtsDecode[] =
+{
+    "Width8bit",
+    "Width16bit",
+    "Width32bit",
+    "Width64bit",
+    "Width128bit",
+    "Width256bit",
+};
+
+/* GPIO connection type */
+
+const char                      *AcpiGbl_CtDecode[] =
+{
+    "Interrupt",
+    "I/O"
+};
+
+/* Serial bus type */
+
+const char                      *AcpiGbl_SbtDecode[] =
+{
+    "/* UNKNOWN serial bus type */",
+    "I2C",
+    "SPI",
+    "UART"
+};
+
+/* I2C serial bus access mode */
+
+const char                      *AcpiGbl_AmDecode[] =
+{
+    "AddressingMode7Bit",
+    "AddressingMode10Bit"
+};
+
+/* I2C serial bus slave mode */
+
+const char                      *AcpiGbl_SmDecode[] =
+{
+    "ControllerInitiated",
+    "DeviceInitiated"
+};
+
+/* SPI serial bus wire mode */
+
+const char                      *AcpiGbl_WmDecode[] =
+{
+    "FourWireMode",
+    "ThreeWireMode"
+};
+
+/* SPI serial clock phase */
+
+const char                      *AcpiGbl_CphDecode[] =
+{
+    "ClockPhaseFirst",
+    "ClockPhaseSecond"
+};
+
+/* SPI serial bus clock polarity */
+
+const char                      *AcpiGbl_CpoDecode[] =
+{
+    "ClockPolarityLow",
+    "ClockPolarityHigh"
+};
+
+/* SPI serial bus device polarity */
+
+const char                      *AcpiGbl_DpDecode[] =
+{
+    "PolarityLow",
+    "PolarityHigh"
+};
+
+/* UART serial bus endian */
+
+const char                      *AcpiGbl_EdDecode[] =
+{
+    "LittleEndian",
+    "BigEndian"
+};
+
+/* UART serial bus bits per byte */
+
+const char                      *AcpiGbl_BpbDecode[] =
+{
+    "DataBitsFive",
+    "DataBitsSix",
+    "DataBitsSeven",
+    "DataBitsEight",
+    "DataBitsNine",
+    "/* UNKNOWN Bits per byte */",
+    "/* UNKNOWN Bits per byte */",
+    "/* UNKNOWN Bits per byte */"
+};
+
+/* UART serial bus stop bits */
+
+const char                      *AcpiGbl_SbDecode[] =
+{
+    "StopBitsNone",
+    "StopBitsOne",
+    "StopBitsOnePlusHalf",
+    "StopBitsTwo"
+};
+
+/* UART serial bus flow control */
+
+const char                      *AcpiGbl_FcDecode[] =
+{
+    "FlowControlNone",
+    "FlowControlHardware",
+    "FlowControlXON",
+    "/* UNKNOWN flow control keyword */"
+};
+
+/* UART serial bus parity type */
+
+const char                      *AcpiGbl_PtDecode[] =
+{
+    "ParityTypeNone",
+    "ParityTypeEven",
+    "ParityTypeOdd",
+    "ParityTypeMark",
+    "ParityTypeSpace",
+    "/* UNKNOWN parity keyword */",
+    "/* UNKNOWN parity keyword */",
+    "/* UNKNOWN parity keyword */"
+};
+
 #endif
 
 
@@ -200,7 +348,7 @@ const UINT8                 AcpiGbl_ResourceAmlSizes[] =
     ACPI_AML_SIZE_SMALL (AML_RESOURCE_END_DEPENDENT),
     ACPI_AML_SIZE_SMALL (AML_RESOURCE_IO),
     ACPI_AML_SIZE_SMALL (AML_RESOURCE_FIXED_IO),
-    0,
+    ACPI_AML_SIZE_SMALL (AML_RESOURCE_FIXED_DMA),
     0,
     0,
     0,
@@ -220,7 +368,18 @@ const UINT8                 AcpiGbl_ResourceAmlSizes[] =
     ACPI_AML_SIZE_LARGE (AML_RESOURCE_ADDRESS16),
     ACPI_AML_SIZE_LARGE (AML_RESOURCE_EXTENDED_IRQ),
     ACPI_AML_SIZE_LARGE (AML_RESOURCE_ADDRESS64),
-    ACPI_AML_SIZE_LARGE (AML_RESOURCE_EXTENDED_ADDRESS64)
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_EXTENDED_ADDRESS64),
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_GPIO),
+    0,
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_COMMON_SERIALBUS),
+};
+
+const UINT8                 AcpiGbl_ResourceAmlSerialBusSizes[] =
+{
+    0,
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_I2C_SERIALBUS),
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_SPI_SERIALBUS),
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_UART_SERIALBUS),
 };
 
 
@@ -238,35 +397,49 @@ static const UINT8          AcpiGbl_ResourceTypes[] =
     0,
     0,
     0,
-    ACPI_SMALL_VARIABLE_LENGTH,
-    ACPI_FIXED_LENGTH,
-    ACPI_SMALL_VARIABLE_LENGTH,
-    ACPI_FIXED_LENGTH,
-    ACPI_FIXED_LENGTH,
-    ACPI_FIXED_LENGTH,
-    0,
+    ACPI_SMALL_VARIABLE_LENGTH,     /* 04 IRQ */
+    ACPI_FIXED_LENGTH,              /* 05 DMA */
+    ACPI_SMALL_VARIABLE_LENGTH,     /* 06 StartDependentFunctions */
+    ACPI_FIXED_LENGTH,              /* 07 EndDependentFunctions */
+    ACPI_FIXED_LENGTH,              /* 08 IO */
+    ACPI_FIXED_LENGTH,              /* 09 FixedIO */
+    ACPI_FIXED_LENGTH,              /* 0A FixedDMA */
     0,
     0,
     0,
-    ACPI_VARIABLE_LENGTH,
-    ACPI_FIXED_LENGTH,
+    ACPI_VARIABLE_LENGTH,           /* 0E VendorShort */
+    ACPI_FIXED_LENGTH,              /* 0F EndTag */
 
     /* Large descriptors */
 
     0,
-    ACPI_FIXED_LENGTH,
-    ACPI_FIXED_LENGTH,
+    ACPI_FIXED_LENGTH,              /* 01 Memory24 */
+    ACPI_FIXED_LENGTH,              /* 02 GenericRegister */
+    0,
+    ACPI_VARIABLE_LENGTH,           /* 04 VendorLong */
+    ACPI_FIXED_LENGTH,              /* 05 Memory32 */
+    ACPI_FIXED_LENGTH,              /* 06 Memory32Fixed */
+    ACPI_VARIABLE_LENGTH,           /* 07 Dword* address */
+    ACPI_VARIABLE_LENGTH,           /* 08 Word* address */
+    ACPI_VARIABLE_LENGTH,           /* 09 ExtendedIRQ */
+    ACPI_VARIABLE_LENGTH,           /* 0A Qword* address */
+    ACPI_FIXED_LENGTH,              /* 0B Extended* address */
+    ACPI_VARIABLE_LENGTH,           /* 0C Gpio* */
     0,
-    ACPI_VARIABLE_LENGTH,
-    ACPI_FIXED_LENGTH,
-    ACPI_FIXED_LENGTH,
-    ACPI_VARIABLE_LENGTH,
-    ACPI_VARIABLE_LENGTH,
-    ACPI_VARIABLE_LENGTH,
-    ACPI_VARIABLE_LENGTH,
-    ACPI_FIXED_LENGTH
+    ACPI_VARIABLE_LENGTH            /* 0E *SerialBus */
 };
 
+/*
+ * For the iASL compiler/disassembler, we don't want any error messages
+ * because the disassembler uses the resource validation code to determine
+ * if Buffer objects are actually Resource Templates.
+ */
+#ifdef ACPI_ASL_COMPILER
+#define ACPI_RESOURCE_ERROR(plist)
+#else
+#define ACPI_RESOURCE_ERROR(plist)  ACPI_ERROR(plist)
+#endif
+
 
 /*******************************************************************************
  *
@@ -297,6 +470,7 @@ AcpiUtWalkAmlResources (
     UINT8                   ResourceIndex;
     UINT32                  Length;
     UINT32                  Offset = 0;
+    UINT8                   EndTag[2] = {0x79, 0x00};
 
 
     ACPI_FUNCTION_TRACE (UtWalkAmlResources);
@@ -322,6 +496,10 @@ AcpiUtWalkAmlResources (
         Status = AcpiUtValidateResource (Aml, &ResourceIndex);
         if (ACPI_FAILURE (Status))
         {
+            /*
+             * Exit on failure. Cannot continue because the descriptor length
+             * may be bogus also.
+             */
             return_ACPI_STATUS (Status);
         }
 
@@ -336,7 +514,7 @@ AcpiUtWalkAmlResources (
             Status = UserFunction (Aml, Length, Offset, ResourceIndex, Context);
             if (ACPI_FAILURE (Status))
             {
-                return (Status);
+                return_ACPI_STATUS (Status);
             }
         }
 
@@ -371,7 +549,19 @@ AcpiUtWalkAmlResources (
 
     /* Did not find an EndTag descriptor */
 
-    return (AE_AML_NO_RESOURCE_END_TAG);
+    if (UserFunction)
+    {
+        /* Insert an EndTag anyway. AcpiRsGetListLength always leaves room */
+
+        (void) AcpiUtValidateResource (EndTag, &ResourceIndex);
+        Status = UserFunction (EndTag, 2, Offset, ResourceIndex, Context);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    return_ACPI_STATUS (AE_AML_NO_RESOURCE_END_TAG);
 }
 
 
@@ -396,6 +586,7 @@ AcpiUtValidateResource (
     void                    *Aml,
     UINT8                   *ReturnIndex)
 {
+    AML_RESOURCE            *AmlResource;
     UINT8                   ResourceType;
     UINT8                   ResourceIndex;
     ACPI_RS_LENGTH          ResourceLength;
@@ -420,7 +611,7 @@ AcpiUtValidateResource (
 
         if (ResourceType > ACPI_RESOURCE_NAME_LARGE_MAX)
         {
-            return (AE_AML_INVALID_RESOURCE_TYPE);
+            goto InvalidResource;
         }
 
         /*
@@ -439,17 +630,18 @@ AcpiUtValidateResource (
             ((ResourceType & ACPI_RESOURCE_NAME_SMALL_MASK) >> 3);
     }
 
-    /* Check validity of the resource type, zero indicates name is invalid */
-
+    /*
+     * Check validity of the resource type, via AcpiGbl_ResourceTypes. Zero
+     * indicates an invalid resource.
+     */
     if (!AcpiGbl_ResourceTypes[ResourceIndex])
     {
-        return (AE_AML_INVALID_RESOURCE_TYPE);
+        goto InvalidResource;
     }
 
-
     /*
-     * 2) Validate the ResourceLength field. This ensures that the length
-     *    is at least reasonable, and guarantees that it is non-zero.
+     * Validate the ResourceLength field. This ensures that the length
+     * is at least reasonable, and guarantees that it is non-zero.
      */
     ResourceLength = AcpiUtGetResourceLength (Aml);
     MinimumResourceLength = AcpiGbl_ResourceAmlSizes[ResourceIndex];
@@ -464,7 +656,7 @@ AcpiUtValidateResource (
 
         if (ResourceLength != MinimumResourceLength)
         {
-            return (AE_AML_BAD_RESOURCE_LENGTH);
+            goto BadResourceLength;
         }
         break;
 
@@ -474,7 +666,7 @@ AcpiUtValidateResource (
 
         if (ResourceLength < MinimumResourceLength)
         {
-            return (AE_AML_BAD_RESOURCE_LENGTH);
+            goto BadResourceLength;
         }
         break;
 
@@ -485,7 +677,7 @@ AcpiUtValidateResource (
         if ((ResourceLength > MinimumResourceLength) ||
             (ResourceLength < (MinimumResourceLength - 1)))
         {
-            return (AE_AML_BAD_RESOURCE_LENGTH);
+            goto BadResourceLength;
         }
         break;
 
@@ -493,7 +685,22 @@ AcpiUtValidateResource (
 
         /* Shouldn't happen (because of validation earlier), but be sure */
 
-        return (AE_AML_INVALID_RESOURCE_TYPE);
+        goto InvalidResource;
+    }
+
+    AmlResource = ACPI_CAST_PTR (AML_RESOURCE, Aml);
+    if (ResourceType == ACPI_RESOURCE_NAME_SERIAL_BUS)
+    {
+        /* Validate the BusType field */
+
+        if ((AmlResource->CommonSerialBus.Type == 0) ||
+            (AmlResource->CommonSerialBus.Type > AML_RESOURCE_MAX_SERIALBUSTYPE))
+        {
+            ACPI_RESOURCE_ERROR ((AE_INFO,
+                "Invalid/unsupported SerialBus resource descriptor: BusType 0x%2.2X",
+                AmlResource->CommonSerialBus.Type));
+            return (AE_AML_INVALID_RESOURCE_TYPE);
+        }
     }
 
     /* Optionally return the resource table index */
@@ -504,6 +711,22 @@ AcpiUtValidateResource (
     }
 
     return (AE_OK);
+
+
+InvalidResource:
+
+    ACPI_RESOURCE_ERROR ((AE_INFO,
+        "Invalid/unsupported resource descriptor: Type 0x%2.2X",
+        ResourceType));
+    return (AE_AML_INVALID_RESOURCE_TYPE);
+
+BadResourceLength:
+
+    ACPI_RESOURCE_ERROR ((AE_INFO,
+        "Invalid resource descriptor length: Type "
+        "0x%2.2X, Length 0x%4.4X, MinLength 0x%4.4X",
+        ResourceType, ResourceLength, MinimumResourceLength));
+    return (AE_AML_BAD_RESOURCE_LENGTH);
 }
 
 
diff --git a/usr/src/uts/intel/io/acpica/utilities/utstate.c b/usr/src/uts/intel/io/acpica/utilities/utstate.c
index bc84915ab0..62a1aefec7 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utstate.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utstate.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/utilities/uttrack.c b/usr/src/uts/intel/io/acpica/utilities/uttrack.c
index 6ecec63f31..7d58f5c8a8 100644
--- a/usr/src/uts/intel/io/acpica/utilities/uttrack.c
+++ b/usr/src/uts/intel/io/acpica/utilities/uttrack.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -633,21 +633,21 @@ AcpiUtDumpAllocations (
                     switch (ACPI_GET_DESCRIPTOR_TYPE (Descriptor))
                     {
                     case ACPI_DESC_TYPE_OPERAND:
-                        if (Element->Size == sizeof (ACPI_DESC_TYPE_OPERAND))
+                        if (Element->Size == sizeof (ACPI_OPERAND_OBJECT))
                         {
                             DescriptorType = ACPI_DESC_TYPE_OPERAND;
                         }
                         break;
 
                     case ACPI_DESC_TYPE_PARSER:
-                        if (Element->Size == sizeof (ACPI_DESC_TYPE_PARSER))
+                        if (Element->Size == sizeof (ACPI_PARSE_OBJECT))
                         {
                             DescriptorType = ACPI_DESC_TYPE_PARSER;
                         }
                         break;
 
                     case ACPI_DESC_TYPE_NAMED:
-                        if (Element->Size == sizeof (ACPI_DESC_TYPE_NAMED))
+                        if (Element->Size == sizeof (ACPI_NAMESPACE_NODE))
                         {
                             DescriptorType = ACPI_DESC_TYPE_NAMED;
                         }
diff --git a/usr/src/uts/intel/io/acpica/utilities/utxface.c b/usr/src/uts/intel/io/acpica/utilities/utxface.c
index 63b081b758..3e858c9b0f 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utxface.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utxface.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -56,7 +56,6 @@
 
 
 #ifndef ACPI_ASL_COMPILER
-
 /*******************************************************************************
  *
  * FUNCTION:    AcpiInitializeSubsystem
@@ -162,6 +161,8 @@ AcpiEnableSubsystem (
     ACPI_FUNCTION_TRACE (AcpiEnableSubsystem);
 
 
+#if (!ACPI_REDUCED_HARDWARE)
+
     /* Enable ACPI mode */
 
     if (!(Flags & ACPI_NO_ACPI_ENABLE))
@@ -189,6 +190,8 @@ AcpiEnableSubsystem (
         return_ACPI_STATUS (Status);
     }
 
+#endif /* !ACPI_REDUCED_HARDWARE */
+
     /*
      * Install the default OpRegion handlers.  These are installed unless
      * other handlers have already been installed via the
@@ -206,6 +209,7 @@ AcpiEnableSubsystem (
         }
     }
 
+#if (!ACPI_REDUCED_HARDWARE)
     /*
      * Initialize ACPI Event handling (Fixed and General Purpose)
      *
@@ -248,6 +252,8 @@ AcpiEnableSubsystem (
         }
     }
 
+#endif /* !ACPI_REDUCED_HARDWARE */
+
     return_ACPI_STATUS (Status);
 }
 
@@ -785,5 +791,47 @@ AcpiInstallInterfaceHandler (
 
 ACPI_EXPORT_SYMBOL (AcpiInstallInterfaceHandler)
 
-#endif /* !ACPI_ASL_COMPILER */
 
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiCheckAddressRange
+ *
+ * PARAMETERS:  SpaceId             - Address space ID
+ *              Address             - Start address
+ *              Length              - Length
+ *              Warn                - TRUE if warning on overlap desired
+ *
+ * RETURN:      Count of the number of conflicts detected.
+ *
+ * DESCRIPTION: Check if the input address range overlaps any of the
+ *              ASL operation region address ranges.
+ *
+ ****************************************************************************/
+
+UINT32
+AcpiCheckAddressRange (
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    ACPI_SIZE               Length,
+    BOOLEAN                 Warn)
+{
+    UINT32                  Overlaps;
+    ACPI_STATUS             Status;
+
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return (0);
+    }
+
+    Overlaps = AcpiUtCheckAddressRange (SpaceId, Address,
+        (UINT32) Length, Warn);
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return (Overlaps);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiCheckAddressRange)
+
+#endif /* !ACPI_ASL_COMPILER */
diff --git a/usr/src/uts/intel/io/acpica/utilities/utxferror.c b/usr/src/uts/intel/io/acpica/utilities/utxferror.c
index a371308d6b..8ffb274894 100644
--- a/usr/src/uts/intel/io/acpica/utilities/utxferror.c
+++ b/usr/src/uts/intel/io/acpica/utilities/utxferror.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/utilities/utxfmutex.c b/usr/src/uts/intel/io/acpica/utilities/utxfmutex.c
new file mode 100644
index 0000000000..c4784310d3
--- /dev/null
+++ b/usr/src/uts/intel/io/acpica/utilities/utxfmutex.c
@@ -0,0 +1,213 @@
+/*******************************************************************************
+ *
+ * Module Name: utxfmutex - external AML mutex access functions
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTXFMUTEX_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utxfmutex")
+
+
+/* Local prototypes */
+
+static ACPI_STATUS
+AcpiUtGetMutexObject (
+    ACPI_HANDLE             Handle,
+    ACPI_STRING             Pathname,
+    ACPI_OPERAND_OBJECT     **RetObj);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetMutexObject
+ *
+ * PARAMETERS:  Handle              - Mutex or prefix handle (optional)
+ *              Pathname            - Mutex pathname (optional)
+ *              RetObj              - Where the mutex object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get an AML mutex object. The mutex node is pointed to by
+ *              Handle:Pathname. Either Handle or Pathname can be NULL, but
+ *              not both.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtGetMutexObject (
+    ACPI_HANDLE             Handle,
+    ACPI_STRING             Pathname,
+    ACPI_OPERAND_OBJECT     **RetObj)
+{
+    ACPI_NAMESPACE_NODE     *MutexNode;
+    ACPI_OPERAND_OBJECT     *MutexObj;
+    ACPI_STATUS             Status;
+
+
+    /* Parameter validation */
+
+    if (!RetObj || (!Handle && !Pathname))
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /* Get a the namespace node for the mutex */
+
+    MutexNode = Handle;
+    if (Pathname != NULL)
+    {
+        Status = AcpiGetHandle (Handle, Pathname,
+            ACPI_CAST_PTR (ACPI_HANDLE, &MutexNode));
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+    }
+
+    /* Ensure that we actually have a Mutex object */
+
+    if (!MutexNode ||
+        (MutexNode->Type != ACPI_TYPE_MUTEX))
+    {
+        return (AE_TYPE);
+    }
+
+    /* Get the low-level mutex object */
+
+    MutexObj = AcpiNsGetAttachedObject (MutexNode);
+    if (!MutexObj)
+    {
+        return (AE_NULL_OBJECT);
+    }
+
+    *RetObj = MutexObj;
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiAcquireMutex
+ *
+ * PARAMETERS:  Handle              - Mutex or prefix handle (optional)
+ *              Pathname            - Mutex pathname (optional)
+ *              Timeout             - Max time to wait for the lock (millisec)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Acquire an AML mutex. This is a device driver interface to
+ *              AML mutex objects, and allows for transaction locking between
+ *              drivers and AML code. The mutex node is pointed to by
+ *              Handle:Pathname. Either Handle or Pathname can be NULL, but
+ *              not both.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiAcquireMutex (
+    ACPI_HANDLE             Handle,
+    ACPI_STRING             Pathname,
+    UINT16                  Timeout)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *MutexObj;
+
+
+    /* Get the low-level mutex associated with Handle:Pathname */
+
+    Status = AcpiUtGetMutexObject (Handle, Pathname, &MutexObj);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Acquire the OS mutex */
+
+    Status = AcpiOsAcquireMutex (MutexObj->Mutex.OsMutex, Timeout);
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiReleaseMutex
+ *
+ * PARAMETERS:  Handle              - Mutex or prefix handle (optional)
+ *              Pathname            - Mutex pathname (optional)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Release an AML mutex. This is a device driver interface to
+ *              AML mutex objects, and allows for transaction locking between
+ *              drivers and AML code. The mutex node is pointed to by
+ *              Handle:Pathname. Either Handle or Pathname can be NULL, but
+ *              not both.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiReleaseMutex (
+    ACPI_HANDLE             Handle,
+    ACPI_STRING             Pathname)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *MutexObj;
+
+
+    /* Get the low-level mutex associated with Handle:Pathname */
+
+    Status = AcpiUtGetMutexObject (Handle, Pathname, &MutexObj);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Release the OS mutex */
+
+    AcpiOsReleaseMutex (MutexObj->Mutex.OsMutex);
+    return (AE_OK);
+}
diff --git a/usr/src/uts/intel/io/dktp/dcdev/dadk.c b/usr/src/uts/intel/io/dktp/dcdev/dadk.c
index 35f97482b8..f74a0d4137 100644
--- a/usr/src/uts/intel/io/dktp/dcdev/dadk.c
+++ b/usr/src/uts/intel/io/dktp/dcdev/dadk.c
@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, Joyent, Inc. All rights reserved.
  */
 
 /*
@@ -170,6 +171,8 @@ static	int	dadk_debug = DGEOM;
 
 #endif	/* DADK_DEBUG */
 
+#define ONE_MIN	((longlong_t)60 * NANOSEC)
+
 static int dadk_check_media_time = 3000000;	/* 3 Second State Check */
 static int dadk_dk_maxphys = 0x80000;
 
@@ -1376,6 +1379,47 @@ static struct dadkio_derr dadk_errtab[] = {
 	{COMMAND_DONE_ERROR, GDA_FATAL},	/* 23 DERR_RESV		*/
 };
 
+/*
+ * A bad disk can result in a large number of errors spewed to the log.
+ * This can in turn lead to /var/adm/messages filling up the file system on
+ * a machine with a small root or /var file system.
+ *
+ * Instead of logging every error, if we're seeing repeated errors on a disk
+ * only log them periodically.
+ */
+static void
+dadk_logerr(struct dadk *dadkp, struct cmpkt *pktp, char *label,
+    int severity, daddr_t blkno, daddr_t err_blkno,
+    char **cmdvec, char **senvec)
+{
+	hrtime_t now;
+
+	now = gethrtime();
+	if ((now - dadkp->dad_last_log) < ONE_MIN) {
+		atomic_add_32(&dadkp->dad_err_cnt, 1);
+		return;
+	}
+
+	if (dadkp->dad_err_cnt > 0) {
+		dev_info_t *dev = dadkp->dad_sd->sd_dev;
+		char name[256], buf[256];
+
+		if (dev)
+			(void) snprintf(name, sizeof (name), "%s (%s%d)",
+                            ddi_pathname(dev, buf), label,
+                            ddi_get_instance(dev));
+		else
+			(void) strlcpy(name, label, sizeof (name));
+		cmn_err(CE_WARN, "%s: %d additional unlogged errors\n",
+		    name, dadkp->dad_err_cnt);
+	}
+
+	gda_errmsg(dadkp->dad_sd, pktp, label, severity, blkno, err_blkno,
+	    cmdvec, senvec);
+	dadkp->dad_err_cnt = 0;
+	dadkp->dad_last_log = now;
+}
+
 static int
 dadk_chkerr(struct cmpkt *pktp)
 {
@@ -1462,7 +1506,7 @@ dadk_chkerr(struct cmpkt *pktp)
 		return (COMMAND_DONE);
 	}
 	if (pktp->cp_passthru == NULL) {
-		gda_errmsg(dadkp->dad_sd, pktp, dadk_name,
+		dadk_logerr(dadkp, pktp, dadk_name,
 		    dadk_errtab[scb].d_severity, pktp->cp_srtsec,
 		    err_blkno, dadk_cmds, dadk_sense);
 	}
@@ -1519,7 +1563,7 @@ dadk_recorderr(struct cmpkt *pktp, struct dadkio_rwcmd *rwcmdp)
 
 	if (rwcmdp->flags & DADKIO_FLAG_SILENT)
 		return;
-	gda_errmsg(dadkp->dad_sd, pktp, dadk_name, dadk_errtab[scb].d_severity,
+	dadk_logerr(dadkp, pktp, dadk_name, dadk_errtab[scb].d_severity,
 	    rwcmdp->blkaddr, rwcmdp->status.failed_blk,
 	    dadk_cmds, dadk_sense);
 }
diff --git a/usr/src/uts/intel/io/ipmi/ipmivars.h b/usr/src/uts/intel/io/ipmi/ipmivars.h
index 7fd819cd3d..f547d6f043 100644
--- a/usr/src/uts/intel/io/ipmi/ipmivars.h
+++ b/usr/src/uts/intel/io/ipmi/ipmivars.h
@@ -78,6 +78,7 @@ struct ipmi_request {
 #define	SMIC_CTL_STS			1
 #define	SMIC_FLAGS			2
 
+struct ipmi_softc;
 #define	IPMI_BUSY	0x1
 #define	IPMI_CLOSING	0x2
 
diff --git a/usr/src/uts/intel/io/vmxnet/buildNumber.h b/usr/src/uts/intel/io/vmxnet/buildNumber.h
new file mode 100644
index 0000000000..97f18a3cbc
--- /dev/null
+++ b/usr/src/uts/intel/io/vmxnet/buildNumber.h
@@ -0,0 +1,12 @@
+#define BUILD_NUMBER \
+	"build-425873"
+#define BUILD_NUMBER_NUMERIC \
+	425873
+#define BUILD_NUMBER_NUMERIC_STRING \
+	"425873"
+#define PRODUCT_BUILD_NUMBER \
+	"product-build-6261"
+#define PRODUCT_BUILD_NUMBER_NUMERIC \
+	6261
+#define PRODUCT_BUILD_NUMBER_NUMERIC_STRING \
+	"6261"
diff --git a/usr/src/uts/intel/io/vmxnet/includeCheck.h b/usr/src/uts/intel/io/vmxnet/includeCheck.h
new file mode 100644
index 0000000000..c414d6daf5
--- /dev/null
+++ b/usr/src/uts/intel/io/vmxnet/includeCheck.h
@@ -0,0 +1,159 @@
+/*********************************************************
+ * Copyright (C) 1998 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation version 2.1 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the Lesser GNU General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA.
+ *
+ *********************************************************/
+
+/*********************************************************
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VMware Inc. nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission of VMware Inc.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *********************************************************/
+
+/*********************************************************
+ * The contents of this file are subject to the terms of the Common
+ * Development and Distribution License (the "License") version 1.0
+ * and no later version.  You may not use this file except in
+ * compliance with the License.
+ *
+ * You can obtain a copy of the License at
+ *         http://www.opensource.org/licenses/cddl1.php
+ *
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ *********************************************************/
+
+/*
+ * includeCheck.h --
+ *
+ *	Restrict include file use.
+ *
+ * In every .h file, define one or more of these
+ *
+ *	INCLUDE_ALLOW_VMX 
+ *	INCLUDE_ALLOW_USERLEVEL 
+ *	INCLUDE_ALLOW_VMCORE
+ *	INCLUDE_ALLOW_MODULE
+ *	INCLUDE_ALLOW_VMKERNEL 
+ *	INCLUDE_ALLOW_DISTRIBUTE
+ *	INCLUDE_ALLOW_VMK_MODULE
+ *      INCLUDE_ALLOW_VMKDRIVERS
+ *      INCLUDE_ALLOW_VMIROM
+ *
+ * Then include this file.
+ *
+ * Any file that has INCLUDE_ALLOW_DISTRIBUTE defined will potentially
+ * be distributed in source form along with GPLed code.  Ensure
+ * that this is acceptable.
+ */
+
+
+/*
+ * Declare a VMCORE-only variable to help classify object
+ * files.  The variable goes in the common block and does
+ * not create multiple definition link-time conflicts.
+ */
+
+#if defined VMCORE && defined VMX86_DEVEL && defined VMX86_DEBUG && \
+    defined linux && !defined MODULE && \
+    !defined COMPILED_WITH_VMCORE
+#define COMPILED_WITH_VMCORE compiled_with_vmcore
+#ifdef ASM
+        .comm   compiled_with_vmcore, 0
+#else
+        asm(".comm compiled_with_vmcore, 0");
+#endif /* ASM */
+#endif
+
+
+#if defined VMCORE && \
+    !(defined VMX86_VMX || defined VMM || \
+      defined MONITOR_APP || defined VMMON)
+#error "Makefile problem: VMCORE without VMX86_VMX or \
+        VMM or MONITOR_APP or MODULE."
+#endif
+
+#if defined VMCORE && !defined INCLUDE_ALLOW_VMCORE
+#error "The surrounding include file is not allowed in vmcore."
+#endif
+#undef INCLUDE_ALLOW_VMCORE
+
+#if defined VMX86_VMX && !defined VMCORE && \
+    !(defined INCLUDE_ALLOW_VMX || defined INCLUDE_ALLOW_USERLEVEL)
+#error "The surrounding include file is not allowed in the VMX."
+#endif
+#undef INCLUDE_ALLOW_VMX
+
+#if defined USERLEVEL && !defined VMX86_VMX && !defined VMCORE && \
+    !defined INCLUDE_ALLOW_USERLEVEL
+#error "The surrounding include file is not allowed at userlevel."
+#endif
+#undef INCLUDE_ALLOW_USERLEVEL
+
+#if defined MODULE && !defined VMKERNEL_MODULE && \
+    !defined VMMON && !defined INCLUDE_ALLOW_MODULE
+#error "The surrounding include file is not allowed in driver modules."
+#endif
+#undef INCLUDE_ALLOW_MODULE
+
+#if defined VMMON && !defined INCLUDE_ALLOW_VMMON
+#error "The surrounding include file is not allowed in vmmon."
+#endif
+#undef INCLUDE_ALLOW_VMMON
+
+#if defined VMKERNEL && !defined INCLUDE_ALLOW_VMKERNEL
+#error "The surrounding include file is not allowed in the vmkernel."
+#endif
+#undef INCLUDE_ALLOW_VMKERNEL
+
+#if defined GPLED_CODE && !defined INCLUDE_ALLOW_DISTRIBUTE
+#error "The surrounding include file is not allowed in GPL code."
+#endif
+#undef INCLUDE_ALLOW_DISTRIBUTE
+
+#if defined VMKERNEL_MODULE && !defined VMKERNEL && \
+    !defined INCLUDE_ALLOW_VMK_MODULE && !defined INCLUDE_ALLOW_VMKDRIVERS
+#error "The surrounding include file is not allowed in vmkernel modules."
+#endif
+#undef INCLUDE_ALLOW_VMK_MODULE
+#undef INCLUDE_ALLOW_VMKDRIVERS
+
+#if defined VMIROM && ! defined INCLUDE_ALLOW_VMIROM
+#error "The surrounding include file is not allowed in vmirom."
+#endif
+#undef INCLUDE_ALLOW_VMIROM
diff --git a/usr/src/uts/intel/io/vmxnet/net.h b/usr/src/uts/intel/io/vmxnet/net.h
new file mode 100644
index 0000000000..41b6eb1d14
--- /dev/null
+++ b/usr/src/uts/intel/io/vmxnet/net.h
@@ -0,0 +1,220 @@
+/*********************************************************
+ * Copyright (C) 1998 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ *
+ *********************************************************/
+
+/*********************************************************
+ * The contents of this file are subject to the terms of the Common
+ * Development and Distribution License (the "License") version 1.0
+ * and no later version.  You may not use this file except in
+ * compliance with the License.
+ *
+ * You can obtain a copy of the License at
+ *         http://www.opensource.org/licenses/cddl1.php
+ *
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ *********************************************************/
+
+/************************************************************
+ *
+ *   net.h
+ *
+ *   This file should contain all network global defines.
+ *   No vlance/vmxnet/vnet/vmknet specific stuff should be
+ *   put here only defines used/usable by all network code.
+ *   --gustav
+ *
+ ************************************************************/
+
+#ifndef VMWARE_DEVICES_NET_H
+#define VMWARE_DEVICES_NET_H
+
+#define INCLUDE_ALLOW_USERLEVEL
+#define INCLUDE_ALLOW_MODULE
+#define INCLUDE_ALLOW_VMCORE
+
+#include "includeCheck.h"
+#include "vm_device_version.h"
+
+#ifdef VMCORE
+#include "config.h"
+#include "str.h"
+#include "strutil.h"
+#endif
+
+#define ETHERNET_MTU         1518
+#define ETH_MIN_FRAME_LEN      60
+
+#ifndef ETHER_ADDR_LEN
+#define ETHER_ADDR_LEN          6  /* length of MAC address */
+#endif
+#define ETH_HEADER_LEN	       14  /* length of Ethernet header */
+#define IP_ADDR_LEN	        4  /* length of IPv4 address */
+#define IP_HEADER_LEN	       20  /* minimum length of IPv4 header */
+
+#define ETHER_MAX_QUEUED_PACKET 1600
+
+
+/*
+ * State's that a NIC can be in currently we only use this
+ * in VLance but if we implement/emulate new adapters that
+ * we also want to be able to morph a new corresponding
+ * state should be added.
+ */
+
+#define LANCE_CHIP  0x2934
+#define VMXNET_CHIP 0x4392
+
+/*
+ * Size of reserved IO space needed by the LANCE adapter and
+ * the VMXNET adapter. If you add more ports to Vmxnet than
+ * there is reserved space you must bump VMXNET_CHIP_IO_RESV_SIZE.
+ * The sizes must be powers of 2.
+ */
+
+#define LANCE_CHIP_IO_RESV_SIZE  0x20
+#define VMXNET_CHIP_IO_RESV_SIZE 0x40
+
+#define MORPH_PORT_SIZE 4
+
+#ifdef VMCORE
+typedef struct Net_AdapterCount {
+   uint8 vlance;
+   uint8 vmxnet2;
+   uint8 vmxnet3;
+   uint8 e1000;
+   uint8 e1000e;
+} Net_AdapterCount;
+#endif
+
+#ifdef USERLEVEL
+
+/*
+ *----------------------------------------------------------------------------
+ *
+ * Net_AddAddrToLADRF --
+ *
+ *      Given a MAC address, sets the corresponding bit in the LANCE style
+ *      Logical Address Filter 'ladrf'.
+ *      The caller should have initialized the ladrf to all 0's, as this
+ *      function only ORs on a bit in the array.
+ *      'addr' is presumed to be ETHER_ADDR_LEN in size;
+ *      'ladrf' is presumed to point to a 64-bit vector.
+ *
+ *      Derived from a long history of derivations, originally inspired by
+ *      sample code from the AMD "Network Products: Ethernet Controllers 1998
+ *      Data Book, Book 2", pages 1-53..1-55.
+ *
+ * Returns:
+ *      None.
+ *
+ * Side effects:
+ *      Updates 'ladrf'.
+ *
+ *----------------------------------------------------------------------------
+ */
+
+static INLINE void
+Net_AddAddrToLadrf(const uint8 *addr,  // IN: pointer to MAC address
+                   uint8 *ladrf)       // IN/OUT: pointer to ladrf
+{
+#define CRC_POLYNOMIAL_BE 0x04c11db7UL	/* Ethernet CRC, big endian */
+
+   uint16 hashcode;
+   int32 crc = 0xffffffff;		/* init CRC for each address */
+   int32 j;
+   int32 bit;
+   int32 byte;
+
+   ASSERT(addr);
+   ASSERT(ladrf);
+
+   for (byte = 0; byte < ETHER_ADDR_LEN; byte++) {  /* for each address byte */
+      /* process each address bit */
+      for (bit = *addr++, j = 0;
+           j < 8;
+           j++, bit >>= 1) {
+	 crc = (crc << 1) ^ ((((crc < 0 ? 1 : 0) ^ bit) & 0x01) ?
+               CRC_POLYNOMIAL_BE : 0);
+      }
+   }
+   hashcode = (crc & 1);	       /* hashcode is 6 LSb of CRC ... */
+   for (j = 0; j < 5; j++) {	       /* ... in reverse order. */
+      hashcode = (hashcode << 1) | ((crc>>=1) & 1);
+   }
+
+   ladrf[hashcode >> 3] |= 1 << (hashcode & 0x07);
+}
+#endif // USERLEVEL
+
+#ifdef VMCORE
+/*
+ *----------------------------------------------------------------------
+ *
+ * Net_GetNumAdapters --
+ *
+ *      Returns the number of each type of network adapter configured in this 
+ *      VM.
+ *
+ * Results:
+ *      None.
+ *
+ * Side effects:
+ *      None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static INLINE void
+Net_GetNumAdapters(Net_AdapterCount *counts)
+{
+   uint32 i;
+
+   counts->vlance = 0;
+   counts->vmxnet2 = 0;
+   counts->vmxnet3 = 0;
+   counts->e1000 = 0;
+   counts->e1000e = 0;
+
+   for (i = 0; i < MAX_ETHERNET_CARDS; i++) {
+      char* adapterStr;
+
+      if (!Config_GetBool(FALSE, "ethernet%d.present", i)) {
+	 continue;
+      }
+      adapterStr = Config_GetString("vlance", "ethernet%d.virtualDev", i);
+      if (Str_Strcasecmp(adapterStr, "vmxnet3") == 0) {
+         counts->vmxnet3++;
+      } else if (Str_Strcasecmp(adapterStr, "vlance") == 0) {
+         counts->vlance++;
+      } else if (Str_Strcasecmp(adapterStr, "vmxnet") == 0) {
+         counts->vmxnet2++;
+      } else if (Str_Strcasecmp(adapterStr, "e1000") == 0) {
+         counts->e1000++;
+      } else if (Str_Strcasecmp(adapterStr, "e1000e") == 0) {
+         counts->e1000e++;
+      } else {
+         LOG_ONCE(("%s: unknown adapter: %s\n", __FUNCTION__, adapterStr));
+      }
+      free(adapterStr);      
+   }
+}
+
+#endif // VMCORE
+
+#endif // VMWARE_DEVICES_NET_H
diff --git a/usr/src/uts/intel/io/vmxnet/net_sg.h b/usr/src/uts/intel/io/vmxnet/net_sg.h
new file mode 100644
index 0000000000..f6c30fb2b5
--- /dev/null
+++ b/usr/src/uts/intel/io/vmxnet/net_sg.h
@@ -0,0 +1,84 @@
+/*********************************************************
+ * Copyright (C) 2000 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ *
+ *********************************************************/
+
+/*********************************************************
+ * The contents of this file are subject to the terms of the Common
+ * Development and Distribution License (the "License") version 1.0
+ * and no later version.  You may not use this file except in
+ * compliance with the License.
+ *
+ * You can obtain a copy of the License at
+ *         http://www.opensource.org/licenses/cddl1.php
+ *
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ *********************************************************/
+
+/*
+ * net_sg.h --
+ *
+ *	Network packet scatter gather structure.
+ */
+
+
+#ifndef _NET_SG_H
+#define _NET_SG_H
+
+#define INCLUDE_ALLOW_USERLEVEL
+
+#define INCLUDE_ALLOW_MODULE
+#define INCLUDE_ALLOW_VMK_MODULE
+#define INCLUDE_ALLOW_VMKERNEL
+#define INCLUDE_ALLOW_DISTRIBUTE
+#include "includeCheck.h"
+
+#define NET_SG_DEFAULT_LENGTH	16
+
+/*
+ * A single scatter-gather element for a network packet.
+ * The address is split into low and high to save space.
+ * If we make it 64 bits then Windows pads things out such that
+ * we lose a lot of space for each scatter gather array.
+ * This adds up when you have embedded scatter-gather 
+ * arrays for transmit and receive ring buffers.
+ */
+typedef struct NetSG_Elem {
+   uint32 	addrLow;
+   uint16	addrHi;
+   uint16	length;
+} NetSG_Elem;
+
+typedef enum NetSG_AddrType {
+   NET_SG_MACH_ADDR,
+   NET_SG_PHYS_ADDR,
+   NET_SG_VIRT_ADDR,
+} NetSG_AddrType;
+
+typedef struct NetSG_Array {
+   uint16	addrType;
+   uint16	length;
+   NetSG_Elem	sg[NET_SG_DEFAULT_LENGTH];
+} NetSG_Array;
+
+#define NET_SG_SIZE(len) (sizeof(NetSG_Array) + (len - NET_SG_DEFAULT_LENGTH) * sizeof(NetSG_Elem))
+
+#define NET_SG_MAKE_PA(elem)                 (PA)QWORD(elem.addrHi, elem.addrLow)
+#define NET_SG_MAKE_PTR(elem) (char *)(uintptr_t)QWORD(elem.addrHi, elem.addrLow)
+
+#endif
diff --git a/usr/src/uts/intel/io/vmxnet/vm_basic_types.h b/usr/src/uts/intel/io/vmxnet/vm_basic_types.h
new file mode 100644
index 0000000000..adeac1b708
--- /dev/null
+++ b/usr/src/uts/intel/io/vmxnet/vm_basic_types.h
@@ -0,0 +1,1037 @@
+/*********************************************************
+ * Copyright (C) 1998-2009 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation version 2.1 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the Lesser GNU General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA.
+ *
+ *********************************************************/
+
+/*********************************************************
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VMware Inc. nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission of VMware Inc.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *********************************************************/
+
+/*********************************************************
+ * The contents of this file are subject to the terms of the Common
+ * Development and Distribution License (the "License") version 1.0
+ * and no later version.  You may not use this file except in
+ * compliance with the License.
+ *
+ * You can obtain a copy of the License at
+ *         http://www.opensource.org/licenses/cddl1.php
+ *
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ *********************************************************/
+
+/*
+ *
+ * vm_basic_types.h --
+ *
+ *    basic data types.
+ */
+
+
+#ifndef _VM_BASIC_TYPES_H_
+#define _VM_BASIC_TYPES_H_
+
+#define INCLUDE_ALLOW_USERLEVEL
+
+#define INCLUDE_ALLOW_MODULE
+#define INCLUDE_ALLOW_VMMON
+#define INCLUDE_ALLOW_VMKERNEL
+#define INCLUDE_ALLOW_VMKDRIVERS
+#define INCLUDE_ALLOW_VMK_MODULE
+#define INCLUDE_ALLOW_DISTRIBUTE
+#define INCLUDE_ALLOW_VMCORE
+#define INCLUDE_ALLOW_VMIROM
+#include "includeCheck.h"
+
+/* STRICT ANSI means the Xserver build and X defines Bool differently. */
+#if !defined(_XTYPEDEF_BOOL) && \
+    (!defined(__STRICT_ANSI__) || defined(__FreeBSD__) || defined(__MINGW32__))
+#define _XTYPEDEF_BOOL
+typedef char           Bool;
+#endif
+
+#ifndef FALSE
+#define FALSE          0
+#endif
+
+#ifndef TRUE
+#define TRUE           1
+#endif
+
+#define IsBool(x)      (((x) & ~1) == 0)
+#define IsBool2(x, y)  ((((x) | (y)) & ~1) == 0)
+
+/*
+ * Macros __i386__ and __ia64 are intrinsically defined by GCC
+ */
+#if defined _MSC_VER && defined _M_X64
+#  define __x86_64__
+#elif defined _MSC_VER && defined _M_IX86
+#  define __i386__
+#endif
+
+#ifdef __i386__
+#define VM_I386
+#endif
+
+#ifdef __x86_64__
+#define VM_X86_64
+#define VM_I386
+#define vm_x86_64 (1)
+#else
+#define vm_x86_64 (0)
+#endif
+
+
+#ifdef _MSC_VER
+
+#pragma warning (3 :4505) // unreferenced local function
+#pragma warning (disable :4018) // signed/unsigned mismatch
+#pragma warning (disable :4761) // integral size mismatch in argument; conversion supplied
+#pragma warning (disable :4305) // truncation from 'const int' to 'short'
+#pragma warning (disable :4244) // conversion from 'unsigned short' to 'unsigned char'
+#pragma warning (disable :4267) // truncation of 'size_t'
+#pragma warning (disable :4146) // unary minus operator applied to unsigned type, result still unsigned
+#pragma warning (disable :4142) // benign redefinition of type
+
+#endif
+
+#if defined(__APPLE__) || defined(HAVE_STDINT_H)
+
+/*
+ * TODO: This is a C99 standard header.  We should be able to test for
+ * #if __STDC_VERSION__ >= 199901L, but that breaks the Netware build
+ * (which doesn't have stdint.h).
+ */
+
+#include <stdint.h>
+
+typedef uint64_t    uint64;
+typedef  int64_t     int64;
+typedef uint32_t    uint32;
+typedef  int32_t     int32;
+typedef uint16_t    uint16;
+typedef  int16_t     int16;
+typedef  uint8_t    uint8;
+typedef   int8_t     int8;
+
+/*
+ * Note: C does not specify whether char is signed or unsigned, and
+ * both gcc and msvc implement processor-specific signedness.  With
+ * three types:
+ * typeof(char) != typeof(signed char) != typeof(unsigned char)
+ *
+ * Be careful here, because gcc (4.0.1 and others) likes to warn about
+ * conversions between signed char * and char *.
+ */
+
+#else /* !HAVE_STDINT_H */
+
+#ifdef _MSC_VER
+
+typedef unsigned __int64 uint64;
+typedef signed __int64 int64;
+
+#elif defined(__GNUC__) || defined(__SUNPRO_C)
+/* The Xserver source compiles with -ansi -pendantic */
+#   if !defined(__STRICT_ANSI__) || defined(__FreeBSD__)
+#      if defined(VM_X86_64)
+typedef unsigned long uint64;
+typedef long int64;
+#      else
+typedef unsigned long long uint64;
+typedef long long int64;
+#      endif
+#   endif
+#else
+#   error - Need compiler define for int64/uint64
+#endif /* _MSC_VER */
+
+typedef unsigned int       uint32;
+typedef unsigned short     uint16;
+typedef unsigned char      uint8;
+
+typedef int                int32;
+typedef short              int16;
+typedef signed char        int8;
+
+#endif /* HAVE_STDINT_H */
+
+/*
+ * FreeBSD (for the tools build) unconditionally defines these in
+ * sys/inttypes.h so don't redefine them if this file has already
+ * been included. [greg]
+ *
+ * This applies to Solaris as well.
+ */
+
+/*
+ * Before trying to do the includes based on OS defines, see if we can use
+ * feature-based defines to get as much functionality as possible
+ */
+
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_INTTYPES_H
+#include <sys/inttypes.h>
+#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#ifdef __FreeBSD__
+#include <sys/param.h> /* For __FreeBSD_version */
+#endif
+
+#if !defined(USING_AUTOCONF)
+#   if defined(__FreeBSD__) || defined(sun)
+#      ifdef KLD_MODULE
+#         include <sys/types.h>
+#      else
+#         if __FreeBSD_version >= 500043
+#            if !defined(VMKERNEL)
+#               include <inttypes.h>
+#            endif
+#            include <sys/types.h>
+#         else
+#            include <sys/inttypes.h>
+#         endif
+#      endif
+#   elif defined __APPLE__
+#      if KERNEL
+#         include <sys/unistd.h>
+#         include <sys/types.h> /* mostly for size_t */
+#         include <stdint.h>
+#      else
+#         include <unistd.h>
+#         include <inttypes.h>
+#         include <stdlib.h>
+#         include <stdint.h>
+#      endif
+#   else
+#      if !defined(__intptr_t_defined) && !defined(intptr_t)
+#         ifdef VM_I386
+#         define __intptr_t_defined
+#            ifdef VM_X86_64
+typedef int64     intptr_t;
+#            else
+typedef int32     intptr_t;
+#            endif
+#         elif defined(__arm__)
+typedef int32     intptr_t;
+#         endif
+#      endif
+
+#      ifndef _STDINT_H
+#         ifdef VM_I386
+#            ifdef VM_X86_64
+typedef uint64    uintptr_t;
+#            else
+typedef uint32    uintptr_t;
+#            endif
+#         elif defined(__arm__)
+typedef uint32    uintptr_t;
+#         endif
+#      endif
+#   endif
+#endif
+
+
+/*
+ * Time
+ * XXX These should be cleaned up.  -- edward
+ */
+
+typedef int64 VmTimeType;          /* Time in microseconds */
+typedef int64 VmTimeRealClock;     /* Real clock kept in microseconds */
+typedef int64 VmTimeVirtualClock;  /* Virtual Clock kept in CPU cycles */
+
+/*
+ * Printf format specifiers for size_t and 64-bit number.
+ * Use them like this:
+ *    printf("%"FMT64"d\n", big);
+ *
+ * FMTH is for handles/fds.
+ */
+
+#ifdef _MSC_VER
+   #define FMT64      "I64"
+   #ifdef VM_X86_64
+      #define FMTSZ      "I64"
+      #define FMTPD      "I64"
+      #define FMTH       "I64"
+   #else
+      #define FMTSZ      "I"
+      #define FMTPD      "I"
+      #define FMTH       "I"
+   #endif
+#elif defined __APPLE__
+   /* Mac OS hosts use the same formatters for 32- and 64-bit. */
+   #define FMT64 "ll"
+   #if KERNEL
+      #define FMTSZ "l"
+   #else
+      #define FMTSZ "z"
+   #endif
+   #define FMTPD "l"
+   #define FMTH ""
+#elif defined(__GNUC__) || defined(__SUNPRO_C)
+   #define FMTH ""
+   #if defined(N_PLAT_NLM) || defined(sun) || \
+       (defined(__FreeBSD__) && (__FreeBSD__ + 0) && ((__FreeBSD__ + 0) < 5))
+      /*
+       * Why (__FreeBSD__ + 0)?  See bug 141008.
+       * Yes, we really need to test both (__FreeBSD__ + 0) and
+       * ((__FreeBSD__ + 0) < 5).  No, we can't remove "+ 0" from
+       * ((__FreeBSD__ + 0) < 5).
+       */
+      #ifdef VM_X86_64
+         #define FMTSZ  "l"
+         #define FMTPD  "l"
+      #else
+         #define FMTSZ  ""
+         #define FMTPD  ""
+      #endif
+   #elif defined(__linux__) \
+      || (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L) \
+      || (defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L) \
+      || (defined(_POSIX2_VERSION) && _POSIX2_VERSION >= 200112L)
+      /* BSD, Linux */
+      #define FMTSZ     "z"
+
+      #if defined(VM_X86_64)
+         #define FMTPD  "l"
+      #else
+         #define FMTPD  ""
+      #endif
+   #else
+      /* Systems with a pre-C99 libc */
+      #define FMTSZ     "Z"
+      #ifdef VM_X86_64
+         #define FMTPD  "l"
+      #else
+         #define FMTPD  ""
+      #endif
+   #endif
+   #ifdef VM_X86_64
+      #define FMT64     "l"
+   #elif defined(sun) || defined(__FreeBSD__)
+      #define FMT64     "ll"
+   #else
+      #define FMT64     "L"
+   #endif
+#else
+   #error - Need compiler define for FMT64 and FMTSZ
+#endif
+
+/*
+ * Suffix for 64-bit constants.  Use it like this:
+ *    CONST64(0x7fffffffffffffff) for signed or
+ *    CONST64U(0x7fffffffffffffff) for unsigned.
+ *
+ * 2004.08.30(thutt):
+ *   The vmcore/asm64/gen* programs are compiled as 32-bit
+ *   applications, but must handle 64 bit constants.  If the
+ *   64-bit-constant defining macros are already defined, the
+ *   definition will not be overwritten.
+ */
+
+#if !defined(CONST64) || !defined(CONST64U)
+#ifdef _MSC_VER
+#define CONST64(c) c##I64
+#define CONST64U(c) c##uI64
+#elif defined __APPLE__
+#define CONST64(c) c##LL
+#define CONST64U(c) c##uLL
+#elif defined(__GNUC__) || defined(__SUNPRO_C)
+#ifdef VM_X86_64
+#define CONST64(c) c##L
+#define CONST64U(c) c##uL
+#else
+#define CONST64(c) c##LL
+#define CONST64U(c) c##uLL
+#endif
+#else
+#error - Need compiler define for CONST64
+#endif
+#endif
+
+/*
+ * Use CONST3264/CONST3264U if you want a constant to be
+ * treated as a 32-bit number on 32-bit compiles and
+ * a 64-bit number on 64-bit compiles. Useful in the case
+ * of shifts, like (CONST3264U(1) << x), where x could be
+ * more than 31 on a 64-bit compile.
+ */
+
+#ifdef VM_X86_64
+    #define CONST3264(a) CONST64(a)
+    #define CONST3264U(a) CONST64U(a)
+#else
+    #define CONST3264(a) (a)
+    #define CONST3264U(a) (a)
+#endif
+
+#define MIN_INT8   ((int8)0x80)
+#define MAX_INT8   ((int8)0x7f)
+
+#define MIN_UINT8  ((uint8)0)
+#define MAX_UINT8  ((uint8)0xff)
+
+#define MIN_INT16  ((int16)0x8000)
+#define MAX_INT16  ((int16)0x7fff)
+
+#define MIN_UINT16 ((uint16)0)
+#define MAX_UINT16 ((uint16)0xffff)
+
+#define MIN_INT32  ((int32)0x80000000)
+#define MAX_INT32  ((int32)0x7fffffff)
+
+#define MIN_UINT32 ((uint32)0)
+#define MAX_UINT32 ((uint32)0xffffffff)
+
+#define MIN_INT64  (CONST64(0x8000000000000000))
+#define MAX_INT64  (CONST64(0x7fffffffffffffff))
+
+#define MIN_UINT64 (CONST64U(0))
+#define MAX_UINT64 (CONST64U(0xffffffffffffffff))
+
+typedef uint8 *TCA;  /* Pointer into TC (usually). */
+
+/*
+ * Type big enough to hold an integer between 0..100
+ */
+typedef uint8 Percent;
+#define AsPercent(v)	((Percent)(v))
+#define CHOOSE_PERCENT  AsPercent(101)
+
+
+typedef uintptr_t VA;
+typedef uintptr_t VPN;
+
+typedef uint64    PA;
+typedef uint32    PPN;
+
+typedef uint64    PhysMemOff;
+typedef uint64    PhysMemSize;
+
+/* The Xserver source compiles with -ansi -pendantic */
+#ifndef __STRICT_ANSI__
+typedef uint64    BA;
+#endif
+typedef uint32    BPN;
+typedef uint32    PageNum;
+typedef unsigned  MemHandle;
+typedef int32     World_ID;
+
+/* !! do not alter the definition of INVALID_WORLD_ID without ensuring
+ * that the values defined in both bora/public/vm_basic_types.h and
+ * lib/vprobe/vm_basic_types.h are the same.  Additionally, the definition
+ * of VMK_INVALID_WORLD_ID in vmkapi_world.h also must be defined with
+ * the same value
+ */
+
+#define INVALID_WORLD_ID ((World_ID)0)
+
+typedef World_ID User_CartelID;
+#define INVALID_CARTEL_ID INVALID_WORLD_ID
+
+typedef User_CartelID User_SessionID;
+#define INVALID_SESSION_ID INVALID_CARTEL_ID
+
+typedef User_CartelID User_CartelGroupID;
+#define INVALID_CARTELGROUP_ID INVALID_CARTEL_ID
+
+typedef uint32 Worldlet_ID;
+#define INVALID_WORLDLET_ID ((Worldlet_ID)-1)
+
+/* The Xserver source compiles with -ansi -pendantic */
+#ifndef __STRICT_ANSI__
+typedef uint64 MA;
+typedef uint32 MPN;
+#endif
+
+/*
+ * This type should be used for variables that contain sector
+ * position/quantity.
+ */
+typedef uint64 SectorType;
+
+/*
+ * Linear address
+ */
+
+typedef uintptr_t LA;
+typedef uintptr_t LPN;
+#define LA_2_LPN(_la)     ((_la) >> PAGE_SHIFT)
+#define LPN_2_LA(_lpn)    ((_lpn) << PAGE_SHIFT)
+
+#define LAST_LPN   ((((LA)  1) << (8 * sizeof(LA)   - PAGE_SHIFT)) - 1)
+#define LAST_LPN32 ((((LA32)1) << (8 * sizeof(LA32) - PAGE_SHIFT)) - 1)
+#define LAST_LPN64 ((((LA64)1) << (8 * sizeof(LA64) - PAGE_SHIFT)) - 1)
+
+/* Valid bits in a LPN. */
+#define LPN_MASK   LAST_LPN
+#define LPN_MASK32 LAST_LPN32
+#define LPN_MASK64 LAST_LPN64
+
+/*
+ * On 64 bit platform, address and page number types default
+ * to 64 bit. When we need to represent a 32 bit address, we use
+ * types defined below.
+ *
+ * On 32 bit platform, the following types are the same as the
+ * default types.
+ */
+typedef uint32 VA32;
+typedef uint32 VPN32;
+typedef uint32 LA32;
+typedef uint32 LPN32;
+typedef uint32 PA32;
+typedef uint32 PPN32;
+typedef uint32 MA32;
+typedef uint32 MPN32;
+
+/*
+ * On 64 bit platform, the following types are the same as the
+ * default types.
+ */
+typedef uint64 VA64;
+typedef uint64 VPN64;
+typedef uint64 LA64;
+typedef uint64 LPN64;
+typedef uint64 PA64;
+typedef uint64 PPN64;
+typedef uint64 MA64;
+typedef uint64 MPN64;
+
+/*
+ * VA typedefs for user world apps.
+ */
+typedef VA32 UserVA32;
+typedef VA64 UserVA64;
+typedef UserVA64 UserVAConst; /* Userspace ptr to data that we may only read. */
+typedef UserVA32 UserVA32Const; /* Userspace ptr to data that we may only read. */
+typedef UserVA64 UserVA64Const; /* Used by 64-bit syscalls until conversion is finished. */
+#ifdef VMKERNEL
+typedef UserVA64 UserVA;
+#else
+typedef void * UserVA;
+#endif
+
+
+/*
+ * Maximal possible PPN value (errors too) that PhysMem can handle.
+ * Must be at least as large as MAX_PPN which is the maximum PPN
+ * for any region other than buserror.
+ */
+#define PHYSMEM_MAX_PPN ((PPN)0xffffffff)
+#define MAX_PPN         ((PPN)0x1fffffff)   /* Maximal observable PPN value. */
+#define INVALID_PPN     ((PPN)0xffffffff)
+
+#define INVALID_BPN     ((BPN)0x1fffffff)
+
+#define RESERVED_MPN    ((MPN) 0)
+#define INVALID_MPN     ((MPN)-1)
+#define MEMREF_MPN      ((MPN)-2)
+#define RELEASED_MPN    ((MPN)-3)
+#define MAX_MPN         ((MPN)0x7fffffff)  /* 43 bits of address space. */
+
+#define INVALID_LPN     ((LPN)-1)
+#define INVALID_VPN     ((VPN)-1)
+#define INVALID_LPN64   ((LPN64)-1)
+#define INVALID_PAGENUM ((PageNum)-1)
+
+
+/*
+ * Format modifier for printing VA, LA, and VPN.
+ * Use them like this: Log("%#"FMTLA"x\n", laddr)
+ */
+
+#if defined(VMM) || defined(FROBOS64) || vm_x86_64 || defined __APPLE__
+#   define FMTLA "l"
+#   define FMTVA "l"
+#   define FMTVPN "l"
+#else
+#   define FMTLA ""
+#   define FMTVA ""
+#   define FMTVPN ""
+#endif
+
+#ifndef EXTERN
+#define EXTERN        extern
+#endif
+#define CONST         const
+
+
+#ifndef INLINE
+#   ifdef _MSC_VER
+#      define INLINE        __inline
+#   else
+#      define INLINE        inline
+#   endif
+#endif
+
+
+/*
+ * Annotation for data that may be exported into a DLL and used by other
+ * apps that load that DLL and import the data.
+ */
+#if defined(_WIN32) && defined(VMX86_IMPORT_DLLDATA)
+#  define VMX86_EXTERN_DATA       extern __declspec(dllimport)
+#else // !_WIN32
+#  define VMX86_EXTERN_DATA       extern
+#endif
+
+#if defined(_WIN32) && !defined(VMX86_NO_THREADS)
+#define THREADSPECIFIC __declspec(thread)
+#else
+#define THREADSPECIFIC
+#endif
+
+/*
+ * Due to the wonderful "registry redirection" feature introduced in
+ * 64-bit Windows, if you access any key under HKLM\Software in 64-bit
+ * code, you need to open/create/delete that key with
+ * VMKEY_WOW64_32KEY if you want a consistent view with 32-bit code.
+ */
+
+#ifdef _WIN32
+#ifdef _WIN64
+#define VMW_KEY_WOW64_32KEY KEY_WOW64_32KEY
+#else
+#define VMW_KEY_WOW64_32KEY 0x0
+#endif
+#endif
+
+
+/*
+ * Consider the following reasons functions are inlined:
+ *
+ *  1) inlined for performance reasons
+ *  2) inlined because it's a single-use function
+ *
+ * Functions which meet only condition 2 should be marked with this
+ * inline macro; It is not critical to be inlined (but there is a
+ * code-space & runtime savings by doing so), so when other callers
+ * are added the inline-ness should be removed.
+ */
+
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)
+/*
+ * Starting at version 3.3, gcc does not always inline functions marked
+ * 'inline' (it depends on their size). To force gcc to do so, one must use the
+ * extra __always_inline__ attribute.
+ */
+#   define INLINE_SINGLE_CALLER INLINE __attribute__((__always_inline__))
+#else
+#   define INLINE_SINGLE_CALLER INLINE
+#endif
+
+/*
+ * Used when a hard guaranteed of no inlining is needed. Very few
+ * instances need this since the absence of INLINE is a good hint
+ * that gcc will not do inlining.
+ */
+
+#if defined(__GNUC__) && defined(VMM)
+#define ABSOLUTELY_NOINLINE __attribute__((__noinline__))
+#endif
+
+/*
+ * Attributes placed on function declarations to tell the compiler
+ * that the function never returns.
+ */
+
+#ifdef _MSC_VER
+#define NORETURN __declspec(noreturn)
+#elif __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 9)
+#define NORETURN __attribute__((__noreturn__))
+#else
+#define NORETURN
+#endif
+
+/*
+ * GCC 3.2 inline asm needs the + constraint for input/ouput memory operands.
+ * Older GCCs don't know about it --hpreg
+ */
+
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
+#   define VM_ASM_PLUS 1
+#else
+#   define VM_ASM_PLUS 0
+#endif
+
+/*
+ * Branch prediction hints:
+ *     LIKELY(exp)   - Expression exp is likely TRUE.
+ *     UNLIKELY(exp) - Expression exp is likely FALSE.
+ *   Usage example:
+ *        if (LIKELY(excCode == EXC_NONE)) {
+ *               or
+ *        if (UNLIKELY(REAL_MODE(vc))) {
+ *
+ * We know how to predict branches on gcc3 and later (hopefully),
+ * all others we don't so we do nothing.
+ */
+
+#if (__GNUC__ >= 3)
+/*
+ * gcc3 uses __builtin_expect() to inform the compiler of an expected value.
+ * We use this to inform the static branch predictor. The '!!' in LIKELY
+ * will convert any !=0 to a 1.
+ */
+#define LIKELY(_exp)     __builtin_expect(!!(_exp), 1)
+#define UNLIKELY(_exp)   __builtin_expect((_exp), 0)
+#else
+#define LIKELY(_exp)      (_exp)
+#define UNLIKELY(_exp)    (_exp)
+#endif
+
+/*
+ * GCC's argument checking for printf-like functions
+ * This is conditional until we have replaced all `"%x", void *'
+ * with `"0x%08x", (uint32) void *'. Note that %p prints different things
+ * on different platforms.  Argument checking is enabled for the
+ * vmkernel, which has already been cleansed.
+ *
+ * fmtPos is the position of the format string argument, beginning at 1
+ * varPos is the position of the variable argument, beginning at 1
+ */
+
+#if defined(__GNUC__)
+# define PRINTF_DECL(fmtPos, varPos) __attribute__((__format__(__printf__, fmtPos, varPos)))
+#else
+# define PRINTF_DECL(fmtPos, varPos)
+#endif
+
+#if defined(__GNUC__)
+# define SCANF_DECL(fmtPos, varPos) __attribute__((__format__(__scanf__, fmtPos, varPos)))
+#else
+# define SCANF_DECL(fmtPos, varPos)
+#endif
+
+/*
+ * UNUSED_PARAM should surround the parameter name and type declaration,
+ * e.g. "int MyFunction(int var1, UNUSED_PARAM(int var2))"
+ *
+ */
+
+#ifndef UNUSED_PARAM
+# if defined(__GNUC__)
+#  define UNUSED_PARAM(_parm) _parm  __attribute__((__unused__))
+# else
+#  define UNUSED_PARAM(_parm) _parm
+# endif
+#endif
+
+/*
+ * REGPARM defaults to REGPARM3; i.e., a request that gcc
+ * put the first three arguments in registers.  (It is fine
+ * if the function has fewer than three arguments.)  Gcc only.
+ * Syntactically, put REGPARM where you'd put INLINE or NORETURN.
+ *
+ * Note that 64-bit code already puts the first six arguments in
+ * registers, so these attributes are only useful for 32-bit code.
+ */
+
+#if defined(__GNUC__)
+# define REGPARM0 __attribute__((regparm(0)))
+# define REGPARM1 __attribute__((regparm(1)))
+# define REGPARM2 __attribute__((regparm(2)))
+# define REGPARM3 __attribute__((regparm(3)))
+# define REGPARM REGPARM3
+#else
+# define REGPARM0
+# define REGPARM1
+# define REGPARM2
+# define REGPARM3
+# define REGPARM
+#endif
+
+/*
+ * ALIGNED specifies minimum alignment in "n" bytes.
+ */
+
+#ifdef __GNUC__
+#define ALIGNED(n) __attribute__((__aligned__(n)))
+#else
+#define ALIGNED(n)
+#endif
+
+/*
+ * __func__ is a stringified function name that is part of the C99 standard. The block
+ * below defines __func__ on older systems where the compiler does not support that
+ * macro.
+ */
+#if defined(__GNUC__) \
+   && ((__GNUC__ == 2 && __GNUC_MINOR < 96) \
+       || (__GNUC__ < 2))
+#   define __func__ __FUNCTION__
+#endif
+
+/*
+ * Once upon a time, this was used to silence compiler warnings that
+ * get generated when the compiler thinks that a function returns
+ * when it is marked noreturn.  Don't do it.  Use NOT_REACHED().
+ */
+
+#define INFINITE_LOOP()           do { } while (1)
+
+/*
+ * On FreeBSD (for the tools build), size_t is typedef'd if _BSD_SIZE_T_
+ * is defined. Use the same logic here so we don't define it twice. [greg]
+ */
+#ifdef __FreeBSD__
+#   ifdef _BSD_SIZE_T_
+#      undef _BSD_SIZE_T_
+#      ifdef VM_I386
+#         ifdef VM_X86_64
+             typedef uint64 size_t;
+#         else
+             typedef uint32 size_t;
+#         endif
+#      endif /* VM_I386 */
+#   endif
+
+#   ifdef _BSD_SSIZE_T_
+#      undef _BSD_SSIZE_T_
+#      ifdef VM_I386
+#         ifdef VM_X86_64
+             typedef int64 ssize_t;
+#         else
+             typedef int32 ssize_t;
+#         endif
+#      endif /* VM_I386 */
+#   endif
+
+#else
+#   ifndef _SIZE_T
+#      ifdef VM_I386
+#         define _SIZE_T
+#         ifdef VM_X86_64
+             typedef uint64 size_t;
+#         else
+             typedef uint32 size_t;
+#         endif
+#      elif defined(__arm__)
+#         define _SIZE_T
+          typedef uint32 size_t;
+#      endif
+#   endif
+
+#   if !defined(FROBOS) && !defined(_SSIZE_T) && !defined(_SSIZE_T_) && \
+       !defined(ssize_t) && !defined(__ssize_t_defined) && \
+       !defined(_SSIZE_T_DECLARED)
+#      ifdef VM_I386
+#         define _SSIZE_T
+#         define __ssize_t_defined
+#         define _SSIZE_T_DECLARED
+#         ifdef VM_X86_64
+             typedef int64 ssize_t;
+#         else
+             typedef int32 ssize_t;
+#         endif
+#      elif defined(__arm__)
+#         define _SSIZE_T
+#         define __ssize_t_defined
+#         define _SSIZE_T_DECLARED
+          typedef int32 ssize_t;
+#      endif
+#   endif
+
+#endif
+
+/*
+ * Format modifier for printing pid_t.  On sun the pid_t is a ulong, but on
+ * Linux it's an int.
+ * Use this like this: printf("The pid is %"FMTPID".\n", pid);
+ */
+#ifdef sun
+#   ifdef VM_X86_64
+#      define FMTPID "d"
+#   else
+#      define FMTPID "lu"
+#   endif
+#else
+# define FMTPID "d"
+#endif
+
+/*
+ * Format modifier for printing uid_t.  On Solaris 10 and earlier, uid_t
+ * is a ulong, but on other platforms it's an unsigned int.
+ * Use this like this: printf("The uid is %"FMTUID".\n", uid);
+ */
+#if defined(sun) && !defined(SOL11)
+#   ifdef VM_X86_64
+#      define FMTUID "u"
+#   else
+#      define FMTUID "lu"
+#   endif
+#else
+# define FMTUID "u"
+#endif
+
+/*
+ * Format modifier for printing mode_t.  On sun the mode_t is a ulong, but on
+ * Linux it's an int.
+ * Use this like this: printf("The mode is %"FMTMODE".\n", mode);
+ */
+#ifdef sun
+#   ifdef VM_X86_64
+#      define FMTMODE "o"
+#   else
+#      define FMTMODE "lo"
+#   endif
+#else
+# define FMTMODE "o"
+#endif
+
+/*
+ * Format modifier for printing time_t. Most platforms define a time_t to be
+ * a long int, but on FreeBSD (as of 5.0, it seems), the time_t is a signed
+ * size quantity. Refer to the definition of FMTSZ to see why we need silly
+ * preprocessor arithmetic.
+ * Use this like this: printf("The mode is %"FMTTIME".\n", time);
+ */
+#if defined(__FreeBSD__) && (__FreeBSD__ + 0) && ((__FreeBSD__ + 0) >= 5)
+#   define FMTTIME FMTSZ"d"
+#else
+#   if defined(_MSC_VER)
+#      ifndef _SAFETIME_H_
+#         if (_MSC_VER < 1400) || defined(_USE_32BIT_TIME_T)
+#             define FMTTIME "ld"
+#         else
+#             define FMTTIME FMT64"d"
+#         endif
+#      else
+#         ifndef FMTTIME
+#            error "safetime.h did not define FMTTIME"
+#         endif
+#      endif
+#   else
+#      define FMTTIME "ld"
+#   endif
+#endif
+
+#ifdef __APPLE__
+/*
+ * Format specifier for all these annoying types such as {S,U}Int32
+ * which are 'long' in 32-bit builds
+ *       and  'int' in 64-bit builds.
+ */
+#   ifdef __LP64__
+#      define FMTLI ""
+#   else
+#      define FMTLI "l"
+#   endif
+
+/*
+ * Format specifier for all these annoying types such as NS[U]Integer
+ * which are  'int' in 32-bit builds
+ *       and 'long' in 64-bit builds.
+ */
+#   ifdef __LP64__
+#      define FMTIL "l"
+#   else
+#      define FMTIL ""
+#   endif
+#endif
+
+
+/*
+ * Define MXSemaHandle here so both vmmon and vmx see this definition.
+ */
+
+#ifdef _WIN32
+typedef uintptr_t MXSemaHandle;
+#else
+typedef int MXSemaHandle;
+#endif
+
+/*
+ * Define type for poll device handles.
+ */
+
+typedef int64 PollDevHandle;
+
+/*
+ * Define the utf16_t type.
+ */
+
+#if defined(_WIN32) && defined(_NATIVE_WCHAR_T_DEFINED)
+typedef wchar_t utf16_t;
+#else
+typedef uint16 utf16_t;
+#endif
+
+/*
+ * Define for point and rectangle types.  Defined here so they
+ * can be used by other externally facing headers in bora/public.
+ */
+
+typedef struct VMPoint {
+   int x, y;
+} VMPoint;
+
+#if defined _WIN32 && defined USERLEVEL
+struct tagRECT;
+typedef struct tagRECT VMRect;
+#else
+typedef struct VMRect {
+   int left;
+   int top;
+   int right;
+   int bottom;
+} VMRect;
+#endif
+
+/*
+ * ranked locks "everywhere"
+ */
+
+typedef uint32 MX_Rank;
+
+#endif  /* _VM_BASIC_TYPES_H_ */
diff --git a/usr/src/uts/intel/io/vmxnet/vm_device_version.h b/usr/src/uts/intel/io/vmxnet/vm_device_version.h
new file mode 100644
index 0000000000..7046594a6c
--- /dev/null
+++ b/usr/src/uts/intel/io/vmxnet/vm_device_version.h
@@ -0,0 +1,246 @@
+/*********************************************************
+ * Copyright (C) 1998 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation version 2.1 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the Lesser GNU General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA.
+ *
+ *********************************************************/
+
+#ifndef VM_DEVICE_VERSION_H
+#define VM_DEVICE_VERSION_H
+
+#define INCLUDE_ALLOW_USERLEVEL
+
+#define INCLUDE_ALLOW_MODULE
+#define INCLUDE_ALLOW_VMKERNEL
+#define INCLUDE_ALLOW_VMCORE
+#include "includeCheck.h"
+
+#ifdef _WIN32
+#ifdef __MINGW32__
+#include "initguid.h"
+#else
+#include "guiddef.h"
+#endif
+#endif
+
+/* LSILogic 53C1030 Parallel SCSI controller
+ * LSILogic SAS1068 SAS controller
+ */
+#define PCI_VENDOR_ID_LSILOGIC          0x1000
+#define PCI_DEVICE_ID_LSI53C1030        0x0030
+#define PCI_DEVICE_ID_LSISAS1068        0x0054
+
+/* Our own PCI IDs
+ *    VMware SVGA II (Unified VGA)
+ *    VMware SVGA (PCI Accelerator)
+ *    VMware vmxnet (Idealized NIC)
+ *    VMware vmxscsi (Abortive idealized SCSI controller)
+ *    VMware chipset (Subsystem ID for our motherboards)
+ *    VMware e1000 (Subsystem ID)
+ *    VMware vmxnet3 (Uniform Pass Through NIC)
+ *    VMware HD Audio codec
+ *    VMware HD Audio controller
+ */
+#define PCI_VENDOR_ID_VMWARE                    0x15AD
+#define PCI_DEVICE_ID_VMWARE_SVGA2              0x0405
+#define PCI_DEVICE_ID_VMWARE_SVGA               0x0710
+#define PCI_DEVICE_ID_VMWARE_NET                0x0720
+#define PCI_DEVICE_ID_VMWARE_SCSI               0x0730
+#define PCI_DEVICE_ID_VMWARE_VMCI               0x0740
+#define PCI_DEVICE_ID_VMWARE_CHIPSET            0x1976
+#define PCI_DEVICE_ID_VMWARE_82545EM            0x0750 /* single port */
+#define PCI_DEVICE_ID_VMWARE_82546EB            0x0760 /* dual port   */
+#define PCI_DEVICE_ID_VMWARE_EHCI               0x0770
+#define PCI_DEVICE_ID_VMWARE_UHCI               0x0774
+#define PCI_DEVICE_ID_VMWARE_XHCI               0x0778
+#define PCI_DEVICE_ID_VMWARE_1394               0x0780
+#define PCI_DEVICE_ID_VMWARE_BRIDGE             0x0790
+#define PCI_DEVICE_ID_VMWARE_ROOTPORT           0x07A0
+#define PCI_DEVICE_ID_VMWARE_VMXNET3            0x07B0
+#define PCI_DEVICE_ID_VMWARE_VMXWIFI            0x07B8
+#define PCI_DEVICE_ID_VMWARE_PVSCSI             0x07C0
+#define PCI_DEVICE_ID_VMWARE_82574              0x07D0
+#define PCI_DEVICE_ID_VMWARE_HDAUDIO_CODEC      0x1975
+#define PCI_DEVICE_ID_VMWARE_HDAUDIO_CONTROLLER 0x1977
+
+/* The hypervisor device might grow.  Please leave room
+ * for 7 more subfunctions.
+ */
+#define PCI_DEVICE_ID_VMWARE_HYPER      0x0800
+#define PCI_DEVICE_ID_VMWARE_VMI        0x0801
+
+#define PCI_DEVICE_VMI_CLASS            0x05
+#define PCI_DEVICE_VMI_SUBCLASS         0x80
+#define PCI_DEVICE_VMI_INTERFACE        0x00
+#define PCI_DEVICE_VMI_REVISION         0x01
+
+/* From linux/pci_ids.h:
+ *   AMD Lance Ethernet controller
+ *   BusLogic SCSI controller
+ *   Ensoniq ES1371 sound controller
+ */
+#define PCI_VENDOR_ID_AMD               0x1022
+#define PCI_DEVICE_ID_AMD_VLANCE        0x2000
+#define PCI_VENDOR_ID_BUSLOGIC			0x104B
+#define PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER_NC	0x0140
+#define PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER	0x1040
+#define PCI_VENDOR_ID_ENSONIQ           0x1274
+#define PCI_DEVICE_ID_ENSONIQ_ES1371    0x1371
+
+/* From linux/pci_ids.h:
+ *    Intel 82439TX (430 HX North Bridge)
+ *    Intel 82371AB (PIIX4 South Bridge)
+ *    Intel 82443BX (440 BX North Bridge and AGP Bridge)
+ *    Intel 82545EM (e1000, server adapter, single port)
+ *    Intel 82546EB (e1000, server adapter, dual port)
+ *    Intel HECI (as embedded in ich9m)
+ */
+#define PCI_VENDOR_ID_INTEL             0x8086
+#define PCI_DEVICE_ID_INTEL_82439TX     0x7100
+#define PCI_DEVICE_ID_INTEL_82371AB_0   0x7110
+#define PCI_DEVICE_ID_INTEL_82371AB_2   0x7112
+#define PCI_DEVICE_ID_INTEL_82371AB_3   0x7113
+#define PCI_DEVICE_ID_INTEL_82371AB     0x7111
+#define PCI_DEVICE_ID_INTEL_82443BX     0x7190
+#define PCI_DEVICE_ID_INTEL_82443BX_1   0x7191
+#define PCI_DEVICE_ID_INTEL_82443BX_2   0x7192 /* Used when no AGP support */
+#define PCI_DEVICE_ID_INTEL_82545EM     0x100f
+#define PCI_DEVICE_ID_INTEL_82546EB     0x1010
+#define PCI_DEVICE_ID_INTEL_82574       0x10d3
+#define PCI_DEVICE_ID_INTEL_82574_APPLE 0x10f6
+#define PCI_DEVICE_ID_INTEL_HECI        0x2a74
+
+#define E1000E_PCI_DEVICE_ID_CONFIG_STR "e1000e.pci.deviceID"
+#define E1000E_PCI_SUB_VENDOR_ID_CONFIG_STR "e1000e.pci.subVendorID"
+#define E1000E_PCI_SUB_DEVICE_ID_CONFIG_STR "e1000e.pci.subDeviceID"
+
+/*
+ * Intel HD Audio controller and Realtek ALC885 codec.
+ */
+#define PCI_DEVICE_ID_INTEL_631XESB_632XESB  0x269a
+#define PCI_VENDOR_ID_REALTEK                0x10ec
+#define PCI_DEVICE_ID_REALTEK_ALC885         0x0885
+
+
+/*
+ * Fresco Logic xHCI (USB 3.0) Controller
+ */
+#define PCI_VENDOR_ID_FRESCO            0x1B73
+#define PCI_DEVICE_ID_FRESCO_FL1000     0x1000   // Original 1-port chip
+#define PCI_DEVICE_ID_FRESCO_FL1009     0x1009   // New 2-port chip (Driver 3.0.98+)
+#define PCI_DEVICE_ID_FRESCO_FL1400     0x1400   // Unknown (4-port? Dev hardware?)
+
+/*
+ * NEC/Renesas xHCI (USB 3.0) Controller
+ */
+#define PCI_VENDOR_ID_NEC               0x1033
+#define PCI_DEVICE_ID_NEC_UPD720200     0x0194
+#define PCI_REVISION_NEC_UPD720200      0x03
+#define PCI_FIRMWARE_NEC_UPD720200      0x3015
+
+
+/************* Strings for IDE Identity Fields **************************/
+#define VIDE_ID_SERIAL_STR	"00000000000000000001"	/* Must be 20 Bytes */
+#define VIDE_ID_FIRMWARE_STR	"00000001"		/* Must be 8 Bytes */
+
+/* No longer than 40 Bytes */
+#define VIDE_ATA_MODEL_STR PRODUCT_GENERIC_NAME " Virtual IDE Hard Drive"
+#define VIDE_ATAPI_MODEL_STR PRODUCT_GENERIC_NAME " Virtual IDE CDROM Drive"
+
+#define ATAPI_VENDOR_ID	"NECVMWar"		/* Must be 8 Bytes */
+#define ATAPI_PRODUCT_ID PRODUCT_GENERIC_NAME " IDE CDROM"	/* Must be 16 Bytes */
+#define ATAPI_REV_LEVEL	"1.00"			/* Must be 4 Bytes */
+
+#define IDE_NUM_INTERFACES   2	/* support for two interfaces */
+#define IDE_DRIVES_PER_IF    2
+
+/************* Strings for SCSI Identity Fields **************************/
+#define SCSI_DISK_MODEL_STR PRODUCT_GENERIC_NAME " Virtual SCSI Hard Drive"
+#define SCSI_DISK_VENDOR_NAME COMPANY_NAME
+#define SCSI_DISK_REV_LEVEL "1.0"
+#define SCSI_CDROM_MODEL_STR PRODUCT_GENERIC_NAME " Virtual SCSI CDROM Drive"
+#define SCSI_CDROM_VENDOR_NAME COMPANY_NAME
+#define SCSI_CDROM_REV_LEVEL "1.0"
+
+/************* SCSI implementation limits ********************************/
+#define SCSI_MAX_CONTROLLERS	 4	  // Need more than 1 for MSCS clustering
+#define	SCSI_MAX_DEVICES	 16	  // BT-958 emulates only 16
+#define PVSCSI_MAX_DEVICES       255      // 255 (including the controller)
+/*
+ * VSCSI_BV_INTS is the number of uint32's needed for a bit vector 
+ * to cover all scsi devices per target.
+ */
+#define VSCSI_BV_INTS            CEILING(PVSCSI_MAX_DEVICES, 8 * sizeof (uint32))
+#define SCSI_IDE_CHANNEL         SCSI_MAX_CONTROLLERS
+#define SCSI_IDE_HOSTED_CHANNEL  (SCSI_MAX_CONTROLLERS + 1)
+#define SCSI_MAX_CHANNELS        (SCSI_MAX_CONTROLLERS + 2)
+
+/************* Strings for the VESA BIOS Identity Fields *****************/
+#define VBE_OEM_STRING COMPANY_NAME " SVGA"
+#define VBE_VENDOR_NAME COMPANY_NAME
+#define VBE_PRODUCT_NAME PRODUCT_GENERIC_NAME
+
+/************* PCI implementation limits ********************************/
+#define PCI_MAX_BRIDGES         15
+
+/************* Ethernet implementation limits ***************************/
+#define MAX_ETHERNET_CARDS      10
+
+/********************** Floppy limits ***********************************/
+#define MAX_FLOPPY_DRIVES      2
+
+/************* PCI Passthrough implementation limits ********************/
+#define MAX_PCI_PASSTHRU_DEVICES 6
+
+/************* USB implementation limits ********************************/
+#define MAX_USB_DEVICES_PER_HOST_CONTROLLER 127
+
+/************* Strings for Host USB Driver *******************************/
+
+#ifdef _WIN32
+
+/*
+ * Globally unique ID for the VMware device interface. Define INITGUID before including
+ * this header file to instantiate the variable.
+ */
+DEFINE_GUID(GUID_DEVICE_INTERFACE_VMWARE_USB_DEVICES, 
+0x2da1fe75, 0xaab3, 0x4d2c, 0xac, 0xdf, 0x39, 0x8, 0x8c, 0xad, 0xa6, 0x65);
+
+/*
+ * Globally unique ID for the VMware device setup class.
+ */
+DEFINE_GUID(GUID_CLASS_VMWARE_USB_DEVICES, 
+0x3b3e62a5, 0x3556, 0x4d7e, 0xad, 0xad, 0xf5, 0xfa, 0x3a, 0x71, 0x2b, 0x56);
+
+/*
+ * This string defines the device ID string of a VMware USB device.
+ * The format is USB\Vid_XXXX&Pid_YYYY, where XXXX and YYYY are the
+ * hexadecimal representations of the vendor and product ids, respectively.
+ *
+ * The official vendor ID for VMware, Inc. is 0x0E0F.
+ * The product id for USB generic devices is 0x0001.
+ */
+#define USB_VMWARE_DEVICE_ID_WIDE L"USB\\Vid_0E0F&Pid_0001"
+#define USB_DEVICE_ID_LENGTH (sizeof(USB_VMWARE_DEVICE_ID_WIDE) / sizeof(WCHAR))
+
+#ifdef UNICODE
+#define USB_PNP_SETUP_CLASS_NAME L"VMwareUSBDevices"
+#define USB_PNP_DRIVER_NAME L"vmusb"
+#else
+#define USB_PNP_SETUP_CLASS_NAME "VMwareUSBDevices"
+#define USB_PNP_DRIVER_NAME "vmusb"
+#endif
+#endif
+
+#endif /* VM_DEVICE_VERSION_H */
diff --git a/usr/src/uts/intel/io/vmxnet/vmnet_def.h b/usr/src/uts/intel/io/vmxnet/vmnet_def.h
new file mode 100644
index 0000000000..6e44aea2bb
--- /dev/null
+++ b/usr/src/uts/intel/io/vmxnet/vmnet_def.h
@@ -0,0 +1,91 @@
+/*********************************************************
+ * Copyright (C) 2004 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ *
+ *********************************************************/
+
+/*********************************************************
+ * The contents of this file are subject to the terms of the Common
+ * Development and Distribution License (the "License") version 1.0
+ * and no later version.  You may not use this file except in
+ * compliance with the License.
+ *
+ * You can obtain a copy of the License at
+ *         http://www.opensource.org/licenses/cddl1.php
+ *
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ *********************************************************/
+
+/*
+ * vmnet_def.h 
+ *
+ *     - definitions which are (mostly) not vmxnet or vlance specific
+ */
+
+#ifndef _VMNET_DEF_H_
+#define _VMNET_DEF_H_
+
+#define INCLUDE_ALLOW_USERLEVEL
+#define INCLUDE_ALLOW_VMCORE
+
+#define INCLUDE_ALLOW_MODULE
+#define INCLUDE_ALLOW_VMK_MODULE
+#define INCLUDE_ALLOW_VMKERNEL
+#define INCLUDE_ALLOW_DISTRIBUTE
+#include "includeCheck.h"
+
+#define VMNET_NAME_BUFFER_LEN  128 /* Increased for i18n. */
+#define VMNET_COAL_SCHEME_NAME_LEN 16
+
+
+/*
+ * capabilities - not all of these are implemented in the virtual HW
+ *                (eg VLAN support is in the virtual switch)  so even vlance 
+ *                can use them
+ */
+#define VMNET_CAP_SG	        0x0001	/* Can do scatter-gather transmits. */
+#define VMNET_CAP_IP4_CSUM      0x0002	/* Can checksum only TCP/UDP over IPv4. */
+#define VMNET_CAP_HW_CSUM       0x0004	/* Can checksum all packets. */
+#define VMNET_CAP_HIGH_DMA      0x0008	/* Can DMA to high memory. */
+#define VMNET_CAP_TOE	        0x0010	/* Supports TCP/IP offload. */
+#define VMNET_CAP_TSO	        0x0020	/* Supports TCP Segmentation offload */
+#define VMNET_CAP_SW_TSO        0x0040	/* Supports SW TCP Segmentation */
+#define VMNET_CAP_VMXNET_APROM  0x0080	/* Vmxnet APROM support */
+#define VMNET_CAP_HW_TX_VLAN    0x0100  /* Can we do VLAN tagging in HW */
+#define VMNET_CAP_HW_RX_VLAN    0x0200  /* Can we do VLAN untagging in HW */
+#define VMNET_CAP_SW_VLAN       0x0400  /* Can we do VLAN tagging/untagging in SW */
+#define VMNET_CAP_WAKE_PCKT_RCV 0x0800  /* Can wake on network packet recv? */
+#define VMNET_CAP_ENABLE_INT_INLINE 0x1000  /* Enable Interrupt Inline */
+#define VMNET_CAP_ENABLE_HEADER_COPY 0x2000  /* copy header for vmkernel */
+#define VMNET_CAP_TX_CHAIN      0x4000  /* Guest can use multiple tx entries for a pkt */
+#define VMNET_CAP_RX_CHAIN      0x8000  /* a pkt can span multiple rx entries */
+#define VMNET_CAP_LPD           0x10000 /* large pkt delivery */
+#define VMNET_CAP_BPF           0x20000 /* BPF Support in VMXNET Virtual Hardware */
+#define VMNET_CAP_SG_SPAN_PAGES 0x40000	/* Can do scatter-gather span multiple pages transmits. */
+#define VMNET_CAP_IP6_CSUM      0x80000	/* Can do IPv6 csum offload. */
+#define VMNET_CAP_TSO6         0x100000	/* Can do TSO segmentation offload for IPv6 pkts. */
+#define VMNET_CAP_TSO256k      0x200000	/* Can do TSO segmentation offload for pkts up to 256kB. */
+#define VMNET_CAP_UPT          0x400000	/* Support UPT */
+#define VMNET_CAP_RDONLY_INETHDRS 0x800000 /* Modifies inet headers for TSO/CSUm */
+#define VMNET_CAP_NPA         0x1000000	/* Support NPA */
+#define VMNET_CAP_DCB         0x2000000	/* Support DCB */
+#define VMNET_CAP_OFFLOAD_8OFFSET 0x4000000 /* supports 8bit parameterized offsets */ 
+#define VMNET_CAP_OFFLOAD_16OFFSET 0x8000000 /* supports 16bit parameterized offsets */ 
+#define VMNET_CAP_IP6_CSUM_EXT_HDRS 0x10000000 /* support csum of ip6 ext hdrs */
+#define VMNET_CAP_TSO6_EXT_HDRS 0x20000000 /* support TSO for ip6 ext hdrs */
+#define VMNET_CAP_SCHED       0x40000000 /* compliant with network scheduling */
+#endif // _VMNET_DEF_H_
diff --git a/usr/src/uts/intel/io/vmxnet/vmxnet.c b/usr/src/uts/intel/io/vmxnet/vmxnet.c
new file mode 100644
index 0000000000..e0046d8deb
--- /dev/null
+++ b/usr/src/uts/intel/io/vmxnet/vmxnet.c
@@ -0,0 +1,2438 @@
+/*********************************************************
+ * Copyright (C) 2004 VMware, Inc. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of the Common
+ * Development and Distribution License (the "License") version 1.0
+ * and no later version.  You may not use this file except in
+ * compliance with the License.
+ *
+ * You can obtain a copy of the License at
+ *         http://www.opensource.org/licenses/cddl1.php
+ *
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ *********************************************************/
+
+#include <sys/types.h>
+#include <sys/conf.h>
+#include <sys/debug.h>
+#include <sys/stropts.h>
+#include <sys/stream.h>
+#include <sys/strlog.h>
+#include <sys/kmem.h>
+#include <sys/stat.h>
+#include <sys/kstat.h>
+#include <sys/vtrace.h>
+#include <sys/dlpi.h>
+#include <sys/strsun.h>
+#include <sys/ethernet.h>
+#include <sys/modctl.h>
+#include <sys/errno.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/ddi_impldefs.h>
+#include <sys/gld.h>
+#include <sys/pci.h>
+#include <sys/strsubr.h>
+
+/*
+ * This used to be defined in sys/gld.h, but was flagged as private,
+ * and we used it anyway.  Now it no longer exists, and we're stuck
+ * with it for the time being.
+ */
+#ifndef GLD_MAX_MULTICAST
+#define GLD_MAX_MULTICAST 64
+#endif
+
+#define __intptr_t_defined
+#define _STDINT_H
+#include "vm_basic_types.h"
+#include "vmxnet2_def.h"
+#include "vm_device_version.h"
+#include "net.h"
+#include "buildNumber.h"
+
+#define SOLVMXNET_SUCCESS 1
+#define SOLVMXNET_FAILURE 0
+
+#ifdef SOLVMXNET_DEBUG_LEVEL
+static int vxn_debug = SOLVMXNET_DEBUG_LEVEL;
+#define  DPRINTF(n, args)  if (vxn_debug>(n)) cmn_err args
+#else
+#define  DPRINTF(n, args)
+#endif
+
+static char ident[] = "VMware Ethernet Adapter b" BUILD_NUMBER_NUMERIC_STRING;
+char _depends_on[] = {"misc/gld"};
+
+#define MAX_NUM_RECV_BUFFERS            128
+#define DEFAULT_NUM_RECV_BUFFERS        100
+#define MAX_NUM_XMIT_BUFFERS            128
+#define DEFAULT_NUM_XMIT_BUFFERS        100
+#define CRC_POLYNOMIAL_LE               0xedb88320UL
+#define SOLVMXNET_MAXNAME               20
+#define MAX_TX_WAIT_ON_STOP             2000
+
+#define ETHERALIGN  2
+#define SLACKBYTES  4
+#define MAXPKTBUF   (14 + ETHERALIGN + ETHERMTU + SLACKBYTES)
+
+
+#define QHIWATER (MAX_NUM_RECV_BUFFERS*ETHERMTU)
+
+#define OUTB(dp, p, v)  \
+        ddi_put8((dp)->vxnIOHdl, \
+                (uint8_t *)((caddr_t)((dp)->vxnIOp) + (p)), v)
+#define OUTW(dp, p, v)  \
+        ddi_put16((dp)->vxnIOHdl, \
+                (uint16_t *)((caddr_t)((dp)->vxnIOp) + (p)), v)
+#define OUTL(dp, p, v)  \
+        ddi_put32((dp)->vxnIOHdl, \
+                (uint32_t *)((caddr_t)((dp)->vxnIOp) + (p)), v)
+#define INB(dp, p)      \
+        ddi_get8((dp)->vxnIOHdl, \
+                (uint8_t *)(((caddr_t)(dp)->vxnIOp) + (p)))
+#define INW(dp, p)      \
+        ddi_get16((dp)->vxnIOHdl, \
+                (uint16_t *)(((caddr_t)(dp)->vxnIOp) + (p)))
+#define INL(dp, p)      \
+        ddi_get32((dp)->vxnIOHdl, \
+                (uint32_t *)(((caddr_t)(dp)->vxnIOp) + (p)))
+
+#define VMXNET_INC(val, max) \
+   val++; \
+   if (UNLIKELY(val == max)) { \
+      val = 0; \
+   }
+
+#define TX_RINGBUF_MBLK(dp, idx) (dp->txRingBuf[idx].mblk)
+#define TX_RINGBUF_DMAMEM(dp, idx) (dp->txRingBuf[idx].dmaMem)
+
+typedef struct {
+   caddr_t           buf;             /* Virtual address */
+   uint32_t          phyBuf;          /* Physical address */
+   size_t            bufLen;          /* Buffer length */
+   ddi_dma_cookie_t  cookie;          /* Dma cookie */
+   uint_t            cookieCount;     /* Cookie count */
+   ddi_dma_handle_t  dmaHdl;          /* Dma handle */ 
+   ddi_acc_handle_t  dataAccHdl;      /* Dada access handle */
+} dma_buf_t;
+
+typedef struct rx_dma_buf {
+   dma_buf_t           dmaDesc;       /* Dma descriptor */
+   mblk_t              *mblk;         /* Streams message block */
+   frtn_t              freeCB;        /* Free callback */
+   struct vxn_softc    *softc;        /* Back pointer to softc */
+   struct rx_dma_buf   *next;         /* Next one in list */
+} rx_dma_buf_t;
+
+typedef struct vxn_stats {
+   uint32_t    errxmt;               /* Transmit errors */
+   uint32_t    errrcv;               /* Receive errors */
+   uint32_t    runt;                 /* Runt packets */
+   uint32_t    norcvbuf;             /* Buffer alloc errors */
+   uint32_t    interrupts;	     /* Interrupts */
+   uint32_t    defer;		     /* Deferred transmits */
+} vxn_stats_t;
+
+typedef struct tx_ring_buf {
+   mblk_t      *mblk;
+   dma_buf_t   dmaMem;
+} tx_ring_buf_t;
+
+typedef struct vxn_softc {
+   char                    drvName[SOLVMXNET_MAXNAME]; /* Driver name string */
+   int                     unit;               /* Driver instance */
+   vxn_stats_t             stats;              /* Stats */
+
+   dev_info_t              *dip;               /* Info pointer */
+   ddi_iblock_cookie_t     iblockCookie;       /* Interrupt block cookie */
+   gld_mac_info_t          *macInfo;           /* GLD mac info */
+   ddi_acc_handle_t        confHdl;            /* Configuration space handle */
+   ddi_acc_handle_t        vxnIOHdl;           /* I/O space handle */
+   caddr_t                 vxnIOp;             /* I/O space pointer */
+   boolean_t               morphed;            /* Adapter morphed ? */
+
+   kmutex_t                intrlock;           /* Interrupt lock */
+   kmutex_t                xmitlock;           /* Transmit lock */
+   kmutex_t                rxlistlock;         /* Rx free pool lock */
+
+   boolean_t               nicActive;          /* NIC active flag */
+   boolean_t               inIntr;             /* Interrupt processing flag */
+
+   struct ether_addr       devAddr;            /* MAC address */
+
+   uint32_t                vxnNumRxBufs;       /* Number of reveice buffers */
+   uint32_t                vxnNumTxBufs;       /* Number of transmit buffers */
+
+   dma_buf_t               driverDataDmaMem;   /* Driver Data (dma handle) */
+   Vmxnet2_DriverData      *driverData;        /* Driver Data */
+   void                    *driverDataPhy;     /* Driver Data busaddr pointer */
+   Vmxnet2_RxRingEntry     *rxRing;            /* Receive ring */
+   Vmxnet2_TxRingEntry     *txRing;            /* Transmit ring */
+   ddi_dma_handle_t        txDmaHdl;           /* Tx buffers dma handle */
+   rx_dma_buf_t            *rxRingBuffPtr[MAX_NUM_RECV_BUFFERS];
+                                               /* DMA buffers associated with rxRing */
+   tx_ring_buf_t           txRingBuf[MAX_NUM_XMIT_BUFFERS]; /* tx Ring buffers */
+
+   rx_dma_buf_t            *rxFreeBufList;
+   uint32_t                rxNumFreeBufs;      /* current # of buffers in pool */
+   uint32_t                rxMaxFreeBufs;      /* max # of buffers in pool */
+
+   uint32_t                txPending;          /* Pending transmits */
+   uint32_t                maxTxFrags;         /* Max Tx fragments */
+
+   int                     multiCount;         /* Multicast address count */
+   struct ether_addr       multicastList[GLD_MAX_MULTICAST]; /* Multicast list */
+
+   struct vxn_softc        *next;              /* Circular list of instances */
+   struct vxn_softc        *prev;
+} vxn_softc_t;
+
+/* used for rx buffers or buffers allocated by ddi_dma_mem_alloc() */
+static ddi_dma_attr_t vxn_dma_attrs = {
+        DMA_ATTR_V0,            /* dma_attr version */
+        0,                      /* dma_attr_addr_lo */
+        (uint64_t)0xFFFFFFFF,   /* dma_attr_addr_hi */
+        0x7FFFFFFF,             /* dma_attr_count_max */
+        4,                      /* dma_attr_align */
+        0x3F,                   /* dma_attr_burstsizes */
+        1,                      /* dma_attr_minxfer */
+        (uint64_t)0xFFFFFFFF,   /* dma_attr_maxxfer */
+        (uint64_t)0xFFFFFFFF,   /* dma_attr_seg */
+        1,                      /* dma_attr_sgllen */
+        1,                      /* dma_attr_granular */
+        0,                      /* dma_attr_flags */
+};
+
+/* used for tx buffers */
+static ddi_dma_attr_t vxn_dma_attrs_tx = {
+        DMA_ATTR_V0,            /* dma_attr version */
+        0,                      /* dma_attr_addr_lo */
+        (uint64_t)0xFFFFFFFF,   /* dma_attr_addr_hi */
+        0x7FFFFFFF,             /* dma_attr_count_max */
+        1,                      /* dma_attr_align */
+        0x3F,                   /* dma_attr_burstsizes */
+        1,                      /* dma_attr_minxfer */
+        (uint64_t)0xFFFFFFFF,   /* dma_attr_maxxfer */
+        (uint64_t)0xFFFFFFFF,   /* dma_attr_seg */
+        1,                      /* dma_attr_sgllen */
+        1,                      /* dma_attr_granular */
+        0,                      /* dma_attr_flags */
+};
+
+
+static   struct ether_addr etherbroadcastaddr = {
+   {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}
+};
+
+static struct ddi_device_acc_attr vxn_buf_attrs = {
+        DDI_DEVICE_ATTR_V0,
+        DDI_STRUCTURE_LE_ACC,
+        DDI_STRICTORDER_ACC
+};
+
+static struct ddi_device_acc_attr dev_attr = {
+        DDI_DEVICE_ATTR_V0,
+        DDI_STRUCTURE_LE_ACC,
+        DDI_STRICTORDER_ACC
+};
+
+static vxn_softc_t vxnList;		/* for debugging */
+static kmutex_t vxnListLock;
+
+static void *Vxn_Memset(void *s, int c, size_t n);
+static int Vxn_Reset(gld_mac_info_t *macInfo);
+static int Vxn_SetPromiscuous(gld_mac_info_t *macInfo, int flag);
+static int Vxn_GetStats(gld_mac_info_t *macInfo, struct gld_stats *gs);
+static void Vxn_ApplyAddressFilter(vxn_softc_t *dp);
+static int Vxn_SetMulticast(gld_mac_info_t *macinfo, uint8_t *ep, int flag);
+static int Vxn_SetMacAddress(gld_mac_info_t *macInfo, uint8_t *mac);
+static int Vxn_Start(gld_mac_info_t *macInfo);
+static int Vxn_Stop(gld_mac_info_t *macInfo);
+static void Vxn_FreeTxBuf(vxn_softc_t *dp, int idx);
+static int Vxn_EncapTxBuf(vxn_softc_t *dp, mblk_t *mp, Vmxnet2_TxRingEntry *xre,
+                          tx_ring_buf_t *txBuf);
+static int Vxn_Send(gld_mac_info_t *macinfo, mblk_t *mp);
+static boolean_t Vxn_TxComplete(vxn_softc_t *dp, boolean_t *reschedp);
+static boolean_t Vxn_Receive(vxn_softc_t *dp);
+static u_int Vxn_Interrupt(gld_mac_info_t *macInfo);
+static void Vxn_ReclaimRxBuf(rx_dma_buf_t *rxDesc);
+static void Vxn_FreeRxBuf(rx_dma_buf_t *rxDesc);
+static rx_dma_buf_t *Vxn_AllocRxBuf(vxn_softc_t *dp, int cansleep);
+static void Vxn_FreeInitBuffers(vxn_softc_t *dp);
+static int Vxn_AllocInitBuffers(vxn_softc_t *dp);
+static void Vxn_FreeDmaMem(dma_buf_t *dma);
+static int Vxn_AllocDmaMem(vxn_softc_t *dp, int size, int cansleep, dma_buf_t *dma);
+static void Vxn_FreeDriverData(vxn_softc_t *dp);
+static int Vxn_AllocDriverData(vxn_softc_t *dp);
+static int Vxn_Attach(dev_info_t *dip, ddi_attach_cmd_t cmd);
+static int Vxn_Detach(dev_info_t *dip, ddi_detach_cmd_t cmd);
+static int Vxn_AllocRxBufPool(vxn_softc_t *dp);
+static void Vxn_FreeRxBufPool(vxn_softc_t *dp);
+static rx_dma_buf_t * Vxn_AllocRxBufFromPool(vxn_softc_t *dp);
+static void Vxn_FreeRxBufToPool(rx_dma_buf_t *rxDesc);
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_Memset --
+ *    memset() (Because bzero does not get resolved by module loader) 
+ *
+ * Results:
+ *    pointer to the memory area s
+ *
+ * Side effects:
+ *    None  
+ *-----------------------------------------------------------------------------
+ */
+static void *
+Vxn_Memset(void *s, int c, size_t n)
+{
+   while (n--) {
+      ((uint8_t *)s)[n] = c;
+   }
+
+   return s;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_Reset -- 
+ *    Stub routine to reset hardware. Presently does nothing. Start/Stop should
+ *    take care of resets.
+ *
+ * Results:
+ *    None
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static int
+Vxn_Reset(gld_mac_info_t *macInfo)
+{
+   return GLD_SUCCESS;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_SetPromiscuous --
+ *    Set/Reset NIC to/from promiscuous mode
+ *
+ * Results:
+ *    GLD_SUCCESS
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static int
+Vxn_SetPromiscuous(gld_mac_info_t *macInfo, int flag)
+{
+   vxn_softc_t *dp = (vxn_softc_t *)macInfo->gldm_private;
+   Vmxnet2_DriverData *dd = dp->driverData;
+
+   mutex_enter(&dp->intrlock);
+   if (flag == GLD_MAC_PROMISC_PHYS) {
+      dd->ifflags |= VMXNET_IFF_PROMISC;
+   } else if (flag == GLD_MAC_PROMISC_MULTI) {
+     /*
+      * This should really set VMXNET_IFF_ALLMULTI,
+      * but unfortunately it doesn't exist.  The next
+      * best thing would be to set the LADRFs to all
+      * 0xFFs and set VMXNET_IFF_MULTICAST, but that
+      * opens up a whole new set of potential pitfalls,
+      * so this is a reasonable temporary solution.
+      */
+      dd->ifflags |= VMXNET_IFF_PROMISC;
+   } else if (flag == GLD_MAC_PROMISC_NONE) {
+      dd->ifflags &= ~VMXNET_IFF_PROMISC;
+   } else {
+     /* This could be GLD_MAC_PROMISC_NOOP? */
+     mutex_exit(&dp->intrlock);
+     cmn_err(CE_WARN, "%s%d: Vxn_SetPromiscuous: Unexpected mode flag: 0x%x", 
+             dp->drvName, dp->unit, flag);
+
+     return GLD_FAILURE;
+   }
+
+   OUTL(dp, VMXNET_COMMAND_ADDR, VMXNET_CMD_UPDATE_IFF);
+   mutex_exit(&dp->intrlock);
+
+   return GLD_SUCCESS;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_GetStats --
+ *    Get driver specific stats
+ *
+ * Results:
+ *    GLD_SUCCESS
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static int
+Vxn_GetStats(gld_mac_info_t *macInfo, struct gld_stats *gs)
+{
+   vxn_softc_t *dp = (vxn_softc_t *)macInfo->gldm_private;
+
+   gs->glds_errxmt    = dp->stats.errxmt;
+   gs->glds_errrcv    = dp->stats.errrcv;
+   gs->glds_short     = dp->stats.runt;
+   gs->glds_norcvbuf  = dp->stats.norcvbuf;
+   gs->glds_intr      = dp->stats.interrupts;
+   gs->glds_defer     = dp->stats.defer;
+
+   return GLD_SUCCESS;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_ApplyAddressFilter --
+ *    Go over multicast list and compute/apply address filter
+ *
+ * Results:
+ *    None
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static void
+Vxn_ApplyAddressFilter(vxn_softc_t *dp)
+{
+   uint8_t *ep;
+   int i, j, bit, byte;
+   uint32_t crc, poly = CRC_POLYNOMIAL_LE;
+   Vmxnet2_DriverData *dd = dp->driverData;
+   volatile uint16_t *mcastTable = (uint16_t *)dd->LADRF;
+
+   ASSERT(MUTEX_HELD(&dp->intrlock));
+
+   /* clear the multicast filter */
+   dd->LADRF[0] = 0;
+   dd->LADRF[1] = 0;
+
+   for (i = 0; i < dp->multiCount; i++) {
+      crc = 0xffffffff;
+      ep = (uint8_t *)&dp->multicastList[i].ether_addr_octet;
+
+      for (byte = 0; byte < 6; byte++) {
+         for (bit = *ep++, j = 0; j < 8; j++, bit >>= 1) {
+            int test;
+
+            test = ((bit ^ crc) & 0x01);
+            crc >>= 1;
+
+            if (test) {
+               crc = crc ^ poly;
+            }
+         }
+      }
+
+      crc = crc >> 26;
+      mcastTable[crc >> 4] |= 1 << (crc & 0xf);
+   }
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_SetMulticast --
+ *    Add delete entry from multicast list
+ *
+ * Results:
+ *    GLD_FAILURE on failure
+ *    GLD_SUCCESS on success
+ *
+ * Side effects:
+ *    None  
+ *-----------------------------------------------------------------------------
+ */
+static int
+Vxn_SetMulticast(gld_mac_info_t *macinfo, uint8_t *ep, int flag)
+{
+   int i;
+   int copyLen;
+   vxn_softc_t *dp = (vxn_softc_t *)macinfo->gldm_private;
+   Vmxnet2_DriverData *dd = dp->driverData;
+
+   if (flag == GLD_MULTI_ENABLE) {
+      /*
+       * Exceeded multicast address limit
+       */
+      if (dp->multiCount >= GLD_MAX_MULTICAST) {
+         return GLD_FAILURE;
+      }
+
+      /* 
+       * Add mac address to multicast list
+       */
+      bcopy(ep, dp->multicastList[dp->multiCount].ether_addr_octet, 
+                ETHERADDRL);
+      dp->multiCount++;
+   }
+   else {
+      for (i=0; i<dp->multiCount; i++) {
+         if (bcmp(ep, dp->multicastList[i].ether_addr_octet, ETHERADDRL) == 0) {
+            goto found;
+         }
+      }
+      return GLD_FAILURE;
+
+   found:
+      /*
+       * Delete mac address from multicast list
+       */
+      copyLen = (dp->multiCount - (i+1)) * sizeof(struct ether_addr);
+      if (copyLen > 0) {
+        bcopy(&dp->multicastList[i+1], &dp->multicastList[i], copyLen);
+      }
+      dp->multiCount--;
+   }
+
+   /*
+    * Compute address filter from list of addressed and apply it
+    */
+   mutex_enter(&dp->intrlock);
+   Vxn_ApplyAddressFilter(dp);
+
+   if (dp->multiCount) {
+     ASSERT(dd->LADRF[0] || dd->LADRF[1]);
+     dd->ifflags |= VMXNET_IFF_MULTICAST;
+   } else {
+     ASSERT(!(dd->LADRF[0] || dd->LADRF[1]));
+     dd->ifflags &= ~VMXNET_IFF_MULTICAST;
+   }
+
+   OUTL(dp, VMXNET_COMMAND_ADDR, VMXNET_CMD_UPDATE_IFF);
+   OUTL(dp, VMXNET_COMMAND_ADDR, VMXNET_CMD_UPDATE_LADRF);
+   mutex_exit(&dp->intrlock);   
+
+   return GLD_SUCCESS;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_SetMacAddress --
+ *    Change device MAC address  
+ *
+ * Results:
+ *    GLD_SUCCESS
+ *    GLD_FAILURE
+ *
+ * Side effects:
+ *    None 
+ *-----------------------------------------------------------------------------
+ */
+static int
+Vxn_SetMacAddress(gld_mac_info_t *macInfo, uint8_t *mac)
+{
+   int i;
+   int err = GLD_SUCCESS;
+   vxn_softc_t * dp = (vxn_softc_t *)macInfo->gldm_private;
+
+   mutex_enter(&dp->intrlock);
+   mutex_enter(&dp->xmitlock);
+
+   /*
+    * Don't change MAC address on a running NIC
+    */
+   if (dp->nicActive) {
+      err = GLD_FAILURE;
+      goto out;
+   }
+
+   /*
+    * Save new MAC address 
+    */
+   for (i = 0; i < 6; i++) {
+      dp->devAddr.ether_addr_octet[i] = mac[i];
+   }
+   
+   /*
+    * Push new MAC address down into hardware
+    */
+   for (i = 0; i < 6; i++) {
+      OUTB(dp, VMXNET_MAC_ADDR + i, mac[i]);
+   }
+
+out:
+   mutex_exit(&dp->xmitlock);
+   mutex_exit(&dp->intrlock);
+   return err;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_Start --
+ *    Device start routine. Called on "ifconfig plumb"
+ *
+ * Results:
+ *    GLD_SUCCESS
+ *    GLD_FAILURE
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static int
+Vxn_Start(gld_mac_info_t *macInfo)
+{
+   int err = GLD_SUCCESS;
+   uint32_t r, capabilities, features;
+   vxn_softc_t * dp = (vxn_softc_t *)macInfo->gldm_private;
+
+   mutex_enter(&dp->intrlock);
+   mutex_enter(&dp->xmitlock);
+
+   if (!dp->nicActive) {
+      /*
+       * Register ring structure with hardware
+       *
+       * This downcast is OK because we requested a 32-bit physical address
+       */
+      OUTL(dp, VMXNET_INIT_ADDR, (uint32_t)(uintptr_t)dp->driverDataPhy);
+      OUTL(dp, VMXNET_INIT_LENGTH, dp->driverData->length);
+
+      /* 
+       * Make sure registeration succeded 
+       */
+      r = INL(dp, VMXNET_INIT_LENGTH);
+      if (!r) {
+         cmn_err(CE_WARN, "%s%d: Vxn_Start: failed to register ring", 
+                          dp->drvName, dp->unit);
+         err = GLD_FAILURE;
+         goto out;
+      }
+
+      /*
+       * Get maximum tx fragments supported
+       */
+      OUTL(dp, VMXNET_COMMAND_ADDR, VMXNET_CMD_GET_CAPABILITIES);
+      capabilities = INL(dp, VMXNET_COMMAND_ADDR);
+
+      OUTL(dp, VMXNET_COMMAND_ADDR, VMXNET_CMD_GET_FEATURES);
+      features = INL(dp, VMXNET_COMMAND_ADDR);
+
+      DPRINTF(3, (CE_CONT, "%s%d: chip capabilities=0x%x features=0x%x\n", 
+              dp->drvName, dp->unit, capabilities, features));
+
+      if ((capabilities & VMNET_CAP_SG) &&
+          (features & VMXNET_FEATURE_ZERO_COPY_TX)) {
+         dp->maxTxFrags = VMXNET2_SG_DEFAULT_LENGTH;
+      } else {
+         dp->maxTxFrags = 1;
+      }
+      ASSERT(dp->maxTxFrags >= 1);
+
+      /*
+       * Alloc Tx DMA handle
+       */
+      vxn_dma_attrs_tx.dma_attr_sgllen = dp->maxTxFrags;
+      if (ddi_dma_alloc_handle(dp->dip, &vxn_dma_attrs_tx, DDI_DMA_SLEEP,
+                               NULL, &dp->txDmaHdl) != DDI_SUCCESS)  {
+         cmn_err(CE_WARN, "%s%d: Vxn_Start: failed to alloc tx dma handle", 
+                 dp->drvName, dp->unit);
+         err = GLD_FAILURE;
+         goto out;
+      }
+
+      /*
+       * Enable interrupts on the card
+       */
+      dp->driverData->ifflags |= VMXNET_IFF_BROADCAST | VMXNET_IFF_DIRECTED;
+
+      OUTL(dp, VMXNET_COMMAND_ADDR, VMXNET_CMD_INTR_ENABLE);
+      OUTL(dp, VMXNET_COMMAND_ADDR, VMXNET_CMD_UPDATE_IFF);
+      OUTL(dp, VMXNET_COMMAND_ADDR, VMXNET_CMD_UPDATE_LADRF);
+
+      dp->nicActive = TRUE;
+  }
+
+out:
+   mutex_exit(&dp->xmitlock);
+   mutex_exit(&dp->intrlock);
+   return err;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_Stop --
+ *    Device stop routine. Called on "ifconfig unplumb"
+ *
+ * Results:
+ *    GLD_SUCCESS
+ *    GLD_FAILURE
+ *
+ * Side effects:
+ *    None   
+ *-----------------------------------------------------------------------------
+ */
+static int
+Vxn_Stop(gld_mac_info_t *macInfo)
+{
+   int i;
+   int err = GLD_SUCCESS;
+   vxn_softc_t * dp = (vxn_softc_t *)macInfo->gldm_private;
+   boolean_t resched;
+
+   mutex_enter(&dp->intrlock);
+   mutex_enter(&dp->xmitlock);
+
+   if (!dp->nicActive) {
+      goto out;
+   }
+
+   /*
+    * Disable interrupts
+    */
+   OUTL(dp, VMXNET_COMMAND_ADDR, VMXNET_CMD_INTR_DISABLE);
+
+   /*
+    * Wait for pending transmits
+    */
+   if (dp->txPending) {
+      for (i=0; i < MAX_TX_WAIT_ON_STOP && dp->txPending; i++) {
+         delay(drv_usectohz(1000));
+         OUTL(dp, VMXNET_COMMAND_ADDR, VMXNET_CMD_CHECK_TX_DONE);
+         (void) Vxn_TxComplete(dp, &resched);
+         /*
+          * Don't worry about rescheduling transmits - GLD handles
+          * this automatically.
+          */
+      }
+   }
+   if (dp->txPending) {
+      cmn_err(CE_WARN, "%s%d: Vxn_Stop: giving up on %d pending transmits", 
+                       dp->drvName, dp->unit, dp->txPending);      
+   }
+
+   OUTL(dp, VMXNET_INIT_ADDR, 0);
+   dp->nicActive = FALSE;
+
+   /*
+    * Free Tx DMA handle
+    *
+    * The ddi_dma_free_handle() man page says that ddi_dma_unbind_handle() must be called
+    * prior to calling ddi_dma_free_handle().
+    * However, call to ddi_dma_unbind_handle() is not required here, because
+    * ddi_dma_addr_bind_handle() and matching ddi_dma_unbind_handle() are called from
+    * Vxn_EncapTxBuf().
+    * xmitlock is held in Vxn_EncapTxBuf() as well as acquired above in Vxn_Stop().
+    */
+   ddi_dma_free_handle(&dp->txDmaHdl);
+   dp->txDmaHdl = NULL;
+
+out:
+   mutex_exit(&dp->xmitlock);
+   mutex_exit(&dp->intrlock);
+   return err;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_FreeTxBuf --
+ *    Free transmit buffer
+ *
+ * Results:
+ *    None
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static void
+Vxn_FreeTxBuf(vxn_softc_t *dp, int idx)
+{
+   mblk_t **txMblkp = &TX_RINGBUF_MBLK(dp, idx);
+   dma_buf_t *dmaMem = &TX_RINGBUF_DMAMEM(dp, idx);
+
+   if (*txMblkp) {
+      freemsg(*txMblkp);
+      *txMblkp = NULL;
+   }
+
+   if (dmaMem->buf) {
+      Vxn_FreeDmaMem(dmaMem);
+      ASSERT(dmaMem->buf == NULL);
+   }
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_EncapTxBuf -- 
+ *    Go over dma mappings of Tx buffers and drop buffer physical address 
+ *    into ring entry
+ *
+ * Results:
+ *    SOLVMXNET_SUCCESS on success
+ *    SOLVMXNET_FAILURE on failure
+ *
+ * Side effects:
+ *    None  
+ *---------------- -------------------------------------------------------------
+ */
+static int
+Vxn_EncapTxBuf(vxn_softc_t *dp, 
+               mblk_t *mp, 
+               Vmxnet2_TxRingEntry *xre, 
+               tx_ring_buf_t *txBuf)
+{
+   int frag;
+   int fragcount;
+   int rval;
+   mblk_t *tp;
+   mblk_t *mblk;
+   boolean_t needPullup = FALSE;
+   boolean_t dmaMemAlloced = FALSE;
+
+   ASSERT(txBuf);
+   ASSERT(txBuf->mblk == NULL);
+   ASSERT(MUTEX_HELD(&dp->xmitlock));
+
+   xre->sg.length = 0;
+   xre->flags = 0;
+
+   fragcount = 0;
+   for (tp = mp; tp != NULL; tp = tp->b_cont) {
+      fragcount++;
+   }
+   if (fragcount > dp->maxTxFrags) {
+      needPullup = TRUE;
+   }
+
+pullup:
+   frag = 0;
+   if (needPullup) {
+      if (!(mblk = msgpullup(mp, -1))) {
+         cmn_err(CE_WARN, "%s%d: Vxn_EncapTxBuf: msgpullup failed",
+                          dp->drvName, dp->unit);
+         goto err;
+      }
+   } else {
+      mblk = mp;
+   }
+
+   /*
+    * Go through message chain and drop packet pointers into ring
+    * scatter/gather array
+    */
+   for (tp = mblk; tp != NULL; tp = tp->b_cont) {
+
+      uint_t nCookies;
+      ddi_dma_cookie_t dmaCookie;
+      int len = tp->b_wptr - tp->b_rptr;
+
+      if (len) {
+         /*
+          * Associate tx buffer with dma handle
+          */
+         ASSERT(dp->txDmaHdl);
+         if ((rval = ddi_dma_addr_bind_handle(dp->txDmaHdl, NULL, (caddr_t)tp->b_rptr,
+                                      len, DDI_DMA_RDWR | DDI_DMA_STREAMING,
+                                      DDI_DMA_DONTWAIT, NULL,
+                                      &dmaCookie, &nCookies))
+             != DDI_DMA_MAPPED) {
+
+            /*
+             *  Try to handle bind failure caused by a page boundary spill
+             *  by allocating a private dma buffer and copying data into it
+             */
+            if ((rval == DDI_DMA_TOOBIG) && !dmaMemAlloced ) {
+               /*
+                * Force pullup 
+                */
+               if (!needPullup && (dp->maxTxFrags > 1)) {
+                  needPullup = TRUE;
+                  goto pullup;
+               }
+
+               if (Vxn_AllocDmaMem(dp, len, FALSE, &txBuf->dmaMem) 
+                                             != SOLVMXNET_SUCCESS) {
+                  goto err;
+               }
+
+               dmaMemAlloced = TRUE;
+
+               /*
+                * Copy data into DMA capable buffer
+                */
+               bcopy(tp->b_rptr, txBuf->dmaMem.buf, len);
+
+               /*
+                * Stick buffer physical addr in the ring
+                */
+               xre->sg.sg[frag].addrLow = txBuf->dmaMem.phyBuf;
+               xre->sg.sg[frag].length = len;
+               frag++;
+
+               continue;
+
+            } else {
+               cmn_err(CE_WARN, "%s%d: Vxn_EncapTxBuf: failed (%d) to bind dma "
+                                "handle for len %d. [dmaMemAlloced=%d]", 
+                                dp->drvName, dp->unit, rval, len, dmaMemAlloced);
+               goto err;
+            }
+         }
+
+         /*
+          * Extract tx buffer physical addresses from cookie
+          */
+         while (nCookies) {
+            if (UNLIKELY(frag == dp->maxTxFrags)) {
+               (void)ddi_dma_unbind_handle(dp->txDmaHdl);
+
+               if (!needPullup) {
+                  ASSERT(!dmaMemAlloced);
+                  needPullup = TRUE;
+                  goto pullup;
+               } else {
+                  cmn_err(CE_WARN, "%s%d: Vxn_EncapTxBuf: "
+                          "exceeded max (%d) fragments in message",
+                          dp->drvName, dp->unit, dp->maxTxFrags);
+                  goto err;
+               }
+            }
+
+            /*
+             * Stick it in the ring
+             */
+            xre->sg.sg[frag].addrLow = dmaCookie.dmac_address;
+            xre->sg.sg[frag].length = dmaCookie.dmac_size;
+            frag++;
+
+            if (--nCookies) {
+               ddi_dma_nextcookie(dp->txDmaHdl, &dmaCookie);
+            }
+         }
+
+         (void)ddi_dma_unbind_handle(dp->txDmaHdl);
+      }
+   }
+
+   if (frag > 0) {
+      xre->sg.length = frag;
+
+      /* Give ownership to NIC */
+      xre->sg.addrType = NET_SG_PHYS_ADDR;
+      xre->ownership = VMXNET2_OWNERSHIP_NIC;
+      xre->flags |= VMXNET2_TX_CAN_KEEP;
+      txBuf->mblk = mblk;
+
+      /*
+       * If we called msgpullup to concatenate fragments, free
+       * original mblk now since we're going to return success.
+       */
+      if (mblk != mp) {
+         freemsg(mp);
+      }
+
+      return SOLVMXNET_SUCCESS;
+   }
+
+err:
+   if (mblk != NULL && mblk != mp) {
+      /*
+       * Free mblk allocated by msgpullup.
+       */
+      freemsg(mblk);
+   }
+
+   if (dmaMemAlloced) {
+      ASSERT(txBuf->dmaMem.buf);
+      Vxn_FreeDmaMem(&txBuf->dmaMem);
+   }
+
+   return SOLVMXNET_FAILURE;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_Send --
+ *    GLD Transmit routine. Starts packet hard tx.
+ *
+ * Results:
+ *    GLD_SUCCESS on success
+ *    GLD_FAILURE on failure
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static int
+Vxn_Send(gld_mac_info_t *macinfo, mblk_t *mp)
+{
+   Vmxnet2_TxRingEntry *xre;
+   int err = GLD_SUCCESS;
+   vxn_softc_t *dp = (vxn_softc_t *)macinfo->gldm_private;
+   Vmxnet2_DriverData *dd = dp->driverData;
+   boolean_t resched = FALSE;
+
+   mutex_enter(&dp->xmitlock);
+
+   /*
+    * Check if ring entry at drop pointer is available
+    */
+   if (TX_RINGBUF_MBLK(dp, dd->txDriverNext) != NULL) {
+      DPRINTF(3, (CE_NOTE, "%s%d: Vxn_Send: tx ring full",
+                  dp->drvName, dp->unit));
+      err = GLD_NORESOURCES;
+      dd->txStopped = TRUE;
+      dp->stats.defer++;
+      goto out;
+   }
+
+   xre = &dp->txRing[dd->txDriverNext];
+
+   /*
+    * Drop packet into ring entry
+    */
+   if (Vxn_EncapTxBuf(dp, mp, xre, &dp->txRingBuf[dd->txDriverNext])
+       != SOLVMXNET_SUCCESS) {
+      err = GLD_FAILURE;
+      dp->stats.errxmt++;
+      goto out;
+   }
+
+   /*
+    * Increment drop pointer
+    */
+   VMXNET_INC(dd->txDriverNext, dd->txRingLength);
+   dd->txNumDeferred++;
+   dp->txPending++;
+
+   /*
+    * Transmit, if number of pending packets > tx cluster length
+    */
+   if (dd->txNumDeferred >= dd->txClusterLength) {
+      dd->txNumDeferred = 0;
+
+      /* 
+       * Call hardware transmit 
+       */
+      INL(dp, VMXNET_TX_ADDR);
+   }
+
+   /*
+    * Clean up transmit ring. TX completion interrupts are not guaranteed
+    */
+   (void) Vxn_TxComplete(dp, &resched);
+
+out:
+   mutex_exit(&dp->xmitlock);
+   if (resched) {
+      /* Tell GLD to retry any deferred packets */
+      gld_sched(dp->macInfo);
+   }
+   return err;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_TxComplete --
+ *    Scan Tx ring for completed transmits. Reclaim Tx buffers.
+ *
+ * Results:
+ *    Returns TRUE if it found a completed transmit, FALSE otherwise.
+ *    Also sets *reschedp to TRUE if the caller should call gld_sched
+ *    to reschedule transmits (once all locks are dropped).
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static boolean_t
+Vxn_TxComplete(vxn_softc_t *dp, boolean_t *reschedp)
+{
+   Vmxnet2_DriverData *dd = dp->driverData;
+   boolean_t found = FALSE;
+   boolean_t needresched = FALSE;
+
+   ASSERT(MUTEX_HELD(&dp->xmitlock));
+
+   while (1) {
+      Vmxnet2_TxRingEntry *xre = &dp->txRing[dd->txDriverCur];
+
+      if (xre->ownership != VMXNET2_OWNERSHIP_DRIVER || 
+          (TX_RINGBUF_MBLK(dp, dd->txDriverCur) == NULL)) {
+         break;
+      }
+
+      found = TRUE;
+      Vxn_FreeTxBuf(dp, dd->txDriverCur);
+
+      dp->txPending--;
+      VMXNET_INC(dd->txDriverCur, dd->txRingLength);
+      if (dd->txStopped) {
+         needresched = TRUE;
+         dd->txStopped = FALSE;
+      }
+   }
+
+   *reschedp = needresched;
+   return found;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_Receive --
+ *    Rx handler. First assembles the packets into a chain of mblks,
+ *    then drops locks and passes them up the stack to GLD.
+ *
+ * Results:
+ *    Returns TRUE if it find a packet ready for processing, FALSE
+ *    otherwise.
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static boolean_t
+Vxn_Receive(vxn_softc_t *dp)
+{
+   int ringnext;
+   short pktlen;
+   Vmxnet2_DriverData *dd = dp->driverData;   
+   rx_dma_buf_t *rxDesc;
+   rx_dma_buf_t *newRxDesc;
+   mblk_t *mblk;
+   mblk_t *head = NULL;
+   mblk_t **tail = &head;
+   mblk_t *next;
+   boolean_t found = FALSE;	/* Did we find at least one packet? */
+
+   ASSERT(MUTEX_HELD(&dp->intrlock));
+
+   /*
+    * Walk receive ring looking for entries with ownership 
+    * reverted back to driver
+    */
+   while (1) {
+      Vmxnet2_RxRingEntry *rre;
+      rx_dma_buf_t **rbuf;
+
+      ringnext = dd->rxDriverNext;
+      rre = &dp->rxRing[ringnext];
+      rbuf = &dp->rxRingBuffPtr[ringnext];
+      
+      if (rre->ownership != VMXNET2_OWNERSHIP_DRIVER) {
+         break;
+      }
+
+      found = TRUE;
+
+      pktlen = rre->actualLength;
+
+      if (pktlen < (60 - 4)) {
+         /*
+          * Ethernet header vlan tags are 4 bytes.  Some vendors generate
+          *  60byte frames including vlan tags.  When vlan tag
+          *  is stripped, such frames become 60 - 4. (PR106153)
+          */
+         dp->stats.errrcv++;
+         if (pktlen != 0) {
+            DPRINTF(3, (CE_CONT, "%s%d: runt packet\n", dp->drvName, dp->unit));
+            dp->stats.runt++;
+         }
+      } else {
+         /*
+          * Alloc new Rx buffer to replace current one
+          */
+         newRxDesc = Vxn_AllocRxBufFromPool(dp);
+
+         if (newRxDesc) {
+            rxDesc = *rbuf;
+            mblk = rxDesc->mblk;
+            
+            *rbuf = newRxDesc;
+            rre->paddr = newRxDesc->dmaDesc.phyBuf + ETHERALIGN;
+            rre->bufferLength = MAXPKTBUF - ETHERALIGN;
+            rre->actualLength = 0;
+
+            /*
+             * Advance write pointer past packet length
+             */
+            mblk->b_wptr = mblk->b_rptr + pktlen;
+            
+            /*
+             * Add to end of chain.
+             */
+            mblk->b_next = NULL;
+            *tail = mblk;
+            tail = &mblk->b_next;
+         } else {
+            dp->stats.errrcv++;
+            dp->stats.norcvbuf++;
+         }
+      }
+
+      /* Give the descriptor back to NIC */
+      rre->ownership = VMXNET2_OWNERSHIP_NIC;
+      VMXNET_INC(dd->rxDriverNext, dd->rxRingLength);
+   }
+
+   /*
+    * Walk chain and pass mblks up to gld_recv one by one.
+    */
+   mutex_exit(&dp->intrlock);
+   for (mblk = head; mblk != NULL; mblk = next) {
+      next = mblk->b_next;
+      mblk->b_next = NULL;
+      gld_recv(dp->macInfo, mblk);
+   }
+   mutex_enter(&dp->intrlock);
+
+   return (found);
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_Interrupt --
+ *    GLD interrupt handler. Scan: Rx ring for received packets, Tx ring for
+ *    completed transmits
+ *
+ * Results:
+ *    - DDI_INTR_CLAIMED (if we found something to do)
+ *    - DDI_INTR_UNCLAIMED (if not)
+ *
+ * Side effects:
+ *    None     
+ *-----------------------------------------------------------------------------
+ */
+static u_int
+Vxn_Interrupt(gld_mac_info_t *macInfo)
+{
+   u_int ret = DDI_INTR_UNCLAIMED;
+   vxn_softc_t *dp = (vxn_softc_t *)macInfo->gldm_private;
+   boolean_t foundRx, foundTx;
+   boolean_t resched = FALSE;
+
+   mutex_enter(&dp->intrlock);
+   dp->inIntr = TRUE;
+
+   if (!dp->nicActive) {
+      goto out;
+   }
+
+   /*
+    * Ack interrupt
+    */
+   OUTL(dp, VMXNET_COMMAND_ADDR, VMXNET_CMD_INTR_ACK);
+
+   foundRx = Vxn_Receive(dp);
+
+   mutex_enter(&dp->xmitlock);
+   foundTx = Vxn_TxComplete(dp, &resched);
+   mutex_exit(&dp->xmitlock);
+
+   if (foundRx || foundTx) {
+      ret = DDI_INTR_CLAIMED;
+      dp->stats.interrupts++;
+   }
+
+out:
+   dp->inIntr = FALSE;
+   mutex_exit(&dp->intrlock);
+
+   if (resched) {
+      gld_sched(dp->macInfo);
+   }
+
+   return ret; 
+}
+
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_ReclaimRxBuf --
+ *    Callback handler invoked by freemsg(). Frees Rx buffer memory and mappings
+ *
+ * Results:
+ *    None
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static void
+Vxn_ReclaimRxBuf(rx_dma_buf_t *rxDesc)
+{
+   Vxn_FreeRxBufToPool(rxDesc);
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_FreeRxBuf --
+ *    Free allocated Rx buffer
+ *
+ * Results:
+ *    None
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static void
+Vxn_FreeRxBuf(rx_dma_buf_t *rxDesc)
+{
+   ASSERT(rxDesc);
+
+   if (rxDesc->mblk) {
+      freemsg(rxDesc->mblk);
+   } else {
+      Vxn_FreeDmaMem(&rxDesc->dmaDesc);
+      kmem_free(rxDesc, sizeof(rx_dma_buf_t));
+   }
+}
+
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_AllocRxBuf --
+ *    Allocate Rx buffer
+ *
+ * Results:
+ *    Pointer to Rx buffer descriptor - on success
+ *    NULL - on failure
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static rx_dma_buf_t *
+Vxn_AllocRxBuf(vxn_softc_t *dp, int cansleep)
+{
+   rx_dma_buf_t *rxDesc;
+
+   rxDesc = (rx_dma_buf_t *)kmem_zalloc(sizeof(rx_dma_buf_t), 
+                                  cansleep ? KM_SLEEP : KM_NOSLEEP);
+   if (!rxDesc) {
+      cmn_err(CE_WARN, "%s%d: Vxn_AllocRxBuf: kmem_zalloc failed", 
+                       dp->drvName, dp->unit);
+      return NULL;
+   }
+
+   rxDesc->softc = dp;
+
+   /*
+    * Alloc dma-able packet memory
+    */
+   if (Vxn_AllocDmaMem(dp, MAXPKTBUF, cansleep, &rxDesc->dmaDesc) 
+         != SOLVMXNET_SUCCESS) {
+      kmem_free(rxDesc, sizeof(rx_dma_buf_t));
+      return NULL;
+   }
+
+   /*
+    * Fill in free callback; fired by freemsg()
+    */
+   rxDesc->freeCB.free_func = &Vxn_ReclaimRxBuf;
+   rxDesc->freeCB.free_arg = (caddr_t) rxDesc;
+
+   rxDesc->mblk = NULL;
+   return rxDesc;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_FreeInitBuffers --
+ *    Free allocated Tx and Rx buffers 
+ *
+ * Results:
+ *    None
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static void
+Vxn_FreeInitBuffers(vxn_softc_t *dp)
+{
+   int i;
+
+   for (i=0; i<dp->vxnNumRxBufs; i++) {
+      if (dp->rxRingBuffPtr[i]) {
+         Vxn_FreeRxBuf(dp->rxRingBuffPtr[i]);
+         dp->rxRingBuffPtr[i] = NULL;
+      }
+   }
+
+   for (i=0; i<dp->vxnNumTxBufs; i++) {
+      if (TX_RINGBUF_MBLK(dp, i)) {
+         Vxn_FreeTxBuf(dp, i);
+      }
+   }
+
+   /*
+    * Rx pool must get freed last. Rx buffers above will
+    * show up on the pool when freemsg callback fires.
+    */
+   Vxn_FreeRxBufPool(dp);
+}
+
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_AllocRxBufPool --
+ *    Allocate pool of rx buffers - 3 * configured Rx buffers
+ *
+ * Results:
+ *    SOLVMXNET_SUCCESS/SOLVMXNET_FAILURE
+ *    
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static int
+Vxn_AllocRxBufPool(vxn_softc_t *dp)
+{
+   int i;
+
+   dp->rxFreeBufList = NULL;
+
+   // Allow list to double in size if needed.  Any additional buffers
+   // that are allocated on the fly will be freed back to main memory.
+   dp->rxMaxFreeBufs = dp->vxnNumRxBufs * 6;
+
+   for (i = 0; i < dp->vxnNumRxBufs * 3; i++) {
+      rx_dma_buf_t *rxDesc;
+
+      /*
+       * Alloc rx buffer
+       */
+      if (!(rxDesc = Vxn_AllocRxBuf(dp, TRUE))) {
+         cmn_err(CE_WARN, "%s%d: Vxn_AllocRxBufPool: failed to allocate memory",
+                 dp->drvName, dp->unit);
+         dp->rxNumFreeBufs = i;
+         return SOLVMXNET_FAILURE;
+      }
+      /*
+       * Add to free list
+       */
+      rxDesc->next = dp->rxFreeBufList;
+      dp->rxFreeBufList = rxDesc;
+   }
+
+   dp->rxNumFreeBufs = i;
+   return SOLVMXNET_SUCCESS;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_FreeRxBufPool --
+ *    Free rx buffers pool
+ *
+ * Results:
+ *    None    
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static void
+Vxn_FreeRxBufPool(vxn_softc_t *dp)
+{
+   while (dp->rxFreeBufList) {
+      rx_dma_buf_t *rxDesc = dp->rxFreeBufList;
+
+      /* unlink */
+      dp->rxFreeBufList = rxDesc->next;
+
+      ASSERT(rxDesc->mblk == NULL);
+      Vxn_FreeDmaMem(&rxDesc->dmaDesc);
+      kmem_free(rxDesc, sizeof(rx_dma_buf_t));
+   }
+   dp->rxNumFreeBufs = 0;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_AllocRxBufFromPool --
+ *    Allocate Rx buffer from free pool
+ *
+ * Results:
+ *    Pointer to Rx buffer descriptor - on success
+ *    NULL - on failure
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static rx_dma_buf_t *
+Vxn_AllocRxBufFromPool(vxn_softc_t *dp)
+{
+   rx_dma_buf_t *rxDesc = NULL;
+
+   mutex_enter(&dp->rxlistlock);
+   if (dp->rxFreeBufList) {
+      rxDesc = dp->rxFreeBufList;
+      dp->rxFreeBufList = rxDesc->next;
+      ASSERT(dp->rxNumFreeBufs >= 1);
+      dp->rxNumFreeBufs--;
+   }
+   mutex_exit(&dp->rxlistlock);
+
+   if (!rxDesc) {
+      /*
+       * Try to allocate new descriptor from memory.  Can't block here
+       * since we could be being called from interrupt context.
+       */
+      DPRINTF(5, (CE_NOTE, "%s%d: allocating rx buf from memory",
+                  dp->drvName, dp->unit)); 
+      if (!(rxDesc = Vxn_AllocRxBuf(dp, FALSE))) {
+         cmn_err(CE_WARN,
+                 "%s%d: Vxn_AllocRxBufFromPool : pool rx alloc failed",
+                 dp->drvName, dp->unit);
+         return NULL;
+      }
+   }
+
+   /*
+    * Allocate new message block for this buffer
+    */
+   rxDesc->mblk = desballoc((uchar_t *)rxDesc->dmaDesc.buf + ETHERALIGN,
+                           rxDesc->dmaDesc.bufLen - ETHERALIGN, 
+                           BPRI_MED, &rxDesc->freeCB);
+   if (!rxDesc->mblk) {
+      cmn_err(CE_WARN, "%s%d: Vxn_AllocRxBufFromPool : desballoc failed", 
+                        dp->drvName, dp->unit);
+
+      /* put back on free list */
+      Vxn_FreeRxBufToPool(rxDesc);
+      return NULL;
+   }
+
+   return rxDesc;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_FreeRxBufToPool --
+ *    Return rx buffer to free pool
+ *
+ * Results:
+ *    None   
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static void
+Vxn_FreeRxBufToPool(rx_dma_buf_t *rxDesc)
+{
+   vxn_softc_t *dp = rxDesc->softc;
+
+   rxDesc->mblk = NULL;
+
+   /*
+    * Insert on free list, or free if the list is full
+    */
+   mutex_enter(&dp->rxlistlock);
+   if (dp->rxNumFreeBufs >= dp->rxMaxFreeBufs) {
+      DPRINTF(5, (CE_NOTE, "%s%d: freeing rx buf to memory", 
+                  dp->drvName, dp->unit));
+      Vxn_FreeRxBuf(rxDesc);
+   } else {
+      rxDesc->next = dp->rxFreeBufList;
+      dp->rxFreeBufList = rxDesc;
+      dp->rxNumFreeBufs++;
+   }
+   mutex_exit(&dp->rxlistlock);
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_AllocInitBuffers --
+ *    Allocated Rx buffers and init ring entries
+ *
+ * Results:
+ *    SOLVMXNET_SUCCESS - on success
+ *    SOLVMXNET_FAILURE - on failure
+ *
+ * Side effects:
+ *    None      
+ *-----------------------------------------------------------------------------
+ */
+static int
+Vxn_AllocInitBuffers(vxn_softc_t *dp)
+{
+   Vmxnet2_DriverData  *dd;
+   uint32_t            i, offset;
+
+   dd = dp->driverData;
+   offset = sizeof(*dd);
+
+   /*
+    * Init shared structures
+    */
+   dd->rxRingLength = dp->vxnNumRxBufs;
+   dd->rxRingOffset = offset;
+   dp->rxRing = (Vmxnet2_RxRingEntry *)((uintptr_t)dd + offset);
+   offset += dp->vxnNumRxBufs * sizeof(Vmxnet2_RxRingEntry);
+
+   dd->rxRingLength2 = 1;
+   dd->rxRingOffset2 = offset;
+   offset += sizeof(Vmxnet2_RxRingEntry);
+
+   dd->txRingLength = dp->vxnNumTxBufs;
+   dd->txRingOffset = offset;
+   dp->txRing = (Vmxnet2_TxRingEntry *)((uintptr_t)dd + offset);
+   offset += dp->vxnNumTxBufs * sizeof(Vmxnet2_TxRingEntry);
+
+   /*
+    * Alloc Rx buffers pool
+    */
+   if ( Vxn_AllocRxBufPool(dp) != SOLVMXNET_SUCCESS) {
+      cmn_err(CE_WARN, "%s%d: Vxn_AllocInitBuffers: failed to alloc buf pool", 
+                       dp->drvName, dp->unit);
+      return SOLVMXNET_FAILURE;
+   }
+
+   /*
+    * Allocate receive buffers
+    */
+   for (i = 0; i < dp->vxnNumRxBufs; i++) {
+      rx_dma_buf_t *rxDesc;
+      Vmxnet2_RxRingEntry *rre = &dp->rxRing[i];
+
+      if (!(rxDesc = Vxn_AllocRxBufFromPool(dp))) {
+         cmn_err(CE_WARN, "%s%d: Vxn_AllocInitBuffers: "
+                          "failed to alloc buf from pool", dp->drvName, dp->unit);
+         goto err;
+      }
+
+      /*
+       * Init ring entries
+       */
+      rre->paddr = rxDesc->dmaDesc.phyBuf + ETHERALIGN;
+      rre->bufferLength = MAXPKTBUF - ETHERALIGN;
+      rre->actualLength = 0;
+      dp->rxRingBuffPtr[i] = rxDesc;
+      rre->ownership = VMXNET2_OWNERSHIP_NIC;
+   }
+
+   dp->txDmaHdl = NULL;
+
+   /* 
+    * Dummy recvRing2 tacked on to the end, with a single unusable entry 
+    */
+   dp->rxRing[i].paddr = 0;
+   dp->rxRing[i].bufferLength = 0;
+   dp->rxRing[i].actualLength = 0;
+   dp->rxRingBuffPtr[i] = NULL;
+   dp->rxRing[i].ownership = VMXNET2_OWNERSHIP_DRIVER;
+   
+   dd->rxDriverNext = 0;
+                                                                               
+   /*
+    * Give xmit ring ownership to DRIVER
+    */
+   for (i = 0; i < dp->vxnNumTxBufs; i++) {
+      dp->txRing[i].ownership = VMXNET2_OWNERSHIP_DRIVER;
+      dp->txRingBuf[i].mblk = NULL;
+      dp->txRingBuf[i].dmaMem.buf = NULL;
+      dp->txRing[i].sg.sg[0].addrHi = 0;
+   }
+   
+   dd->txDriverCur = dd->txDriverNext = 0;
+   dd->txStopped = FALSE;
+
+   return SOLVMXNET_SUCCESS;
+
+err:
+   for (i=0; i<dp->vxnNumRxBufs; i++) {
+      if (dp->rxRingBuffPtr[i]) {
+         Vxn_FreeRxBuf(dp->rxRingBuffPtr[i]);
+         dp->rxRingBuffPtr[i] = NULL;
+      }
+   }
+
+   Vxn_FreeRxBufPool(dp);
+   return SOLVMXNET_FAILURE;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_FreeDmaMem --
+ *    Free allocated dma memory
+ *
+ * Results:
+ *    None
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static void
+Vxn_FreeDmaMem(dma_buf_t *dma)
+{
+   ddi_dma_unbind_handle(dma->dmaHdl);
+   ddi_dma_mem_free(&dma->dataAccHdl);
+   ddi_dma_free_handle(&dma->dmaHdl);
+
+   dma->buf = NULL;
+   dma->phyBuf = NULL;
+   dma->bufLen = 0;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_AllocDmaMem --
+ *    Allocate dma-able memory and fill passed in dma descriptor pointer 
+ *    if successful
+ *
+ * Results:
+ *    SOLVMXNET_SUCCESS on success
+ *    SOLVMXNET_FAILURE on failure
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static int
+Vxn_AllocDmaMem(vxn_softc_t *dp, int size, int cansleep, dma_buf_t *dma)
+{
+   /* 
+    * Allocate handle
+    */
+   if (ddi_dma_alloc_handle(dp->dip, &vxn_dma_attrs,
+                            cansleep ? DDI_DMA_SLEEP : DDI_DMA_DONTWAIT, 
+                            NULL, &dma->dmaHdl) != DDI_SUCCESS) {
+      cmn_err(CE_WARN, "%s%d: Vxn_AllocDmaMem: failed to allocate handle", 
+              dp->drvName, dp->unit);
+      return SOLVMXNET_FAILURE;
+   }
+
+   /* 
+    * Allocate memory 
+    */
+   if (ddi_dma_mem_alloc(dma->dmaHdl, size, &vxn_buf_attrs, DDI_DMA_CONSISTENT,
+                         cansleep ? DDI_DMA_SLEEP : DDI_DMA_DONTWAIT, NULL, 
+                         &dma->buf, &dma->bufLen, &dma->dataAccHdl) 
+       != DDI_SUCCESS) {
+      cmn_err(CE_WARN, "%s%d: Vxn_AllocDmaMem: "
+                       "ddi_dma_mem_alloc %d bytes failed", 
+                       dp->drvName, dp->unit, size);
+      ddi_dma_free_handle(&dma->dmaHdl);
+      return SOLVMXNET_FAILURE;
+   }
+
+   /*
+    * Mapin memory
+    */
+   if (ddi_dma_addr_bind_handle(dma->dmaHdl, NULL, dma->buf, dma->bufLen,
+                                DDI_DMA_RDWR | DDI_DMA_STREAMING,
+                                cansleep ? DDI_DMA_SLEEP : DDI_DMA_DONTWAIT, 
+                                NULL, &dma->cookie, &dma->cookieCount) 
+       != DDI_DMA_MAPPED) {
+      cmn_err(CE_WARN, "%s%d: Vxn_AllocDmaMem: failed to bind handle",
+              dp->drvName, dp->unit);
+      ddi_dma_mem_free(&dma->dataAccHdl);
+      ddi_dma_free_handle(&dma->dmaHdl);
+      return SOLVMXNET_FAILURE;
+   }
+
+   if (dma->cookieCount != 1) {
+      cmn_err(CE_WARN, "%s%d: Vxn_AllocDmaMem: too many DMA cookies", 
+                       dp->drvName, dp->unit);
+      Vxn_FreeDmaMem(dma);
+      return SOLVMXNET_FAILURE;
+   }
+
+   /*
+    * Save physical address (for easy use)
+    */
+   dma->phyBuf = dma->cookie.dmac_address;
+
+   return SOLVMXNET_SUCCESS;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_FreeDriverData --
+ *   Free driver data structures and Tx Rx buffers
+ *
+ * Results:
+ *   None
+ *
+ * Side effects:
+ *   None
+ *-----------------------------------------------------------------------------
+ */
+static void
+Vxn_FreeDriverData(vxn_softc_t *dp)
+{
+   Vxn_FreeInitBuffers(dp);
+   Vxn_FreeDmaMem(&dp->driverDataDmaMem);
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_AllocDriverData --
+ *    Allocate driver data structures and Tx Rx buffers on init
+ *
+ * Results:
+ *    SOLVMXNET_SUCCESS on success
+ *    SOLVMXNET_FAILURE on failure
+ *
+ * Side effects:
+ *    None
+ *-----------------------------------------------------------------------------
+ */
+static int
+Vxn_AllocDriverData(vxn_softc_t *dp)
+{
+   uint32_t r, driverDataSize;
+
+   /*
+    * Get configured receive buffers
+    */
+   OUTL(dp, VMXNET_COMMAND_ADDR, VMXNET_CMD_GET_NUM_RX_BUFFERS);
+   r = INL(dp, VMXNET_COMMAND_ADDR);
+   if (r == 0 || r > MAX_NUM_RECV_BUFFERS) {
+      r = DEFAULT_NUM_RECV_BUFFERS;
+   }
+   dp->vxnNumRxBufs = r;
+
+   /*
+    * Get configured transmit buffers
+    */
+   OUTL(dp, VMXNET_COMMAND_ADDR, VMXNET_CMD_GET_NUM_TX_BUFFERS);
+   r = INL(dp, VMXNET_COMMAND_ADDR);
+   if (r == 0 || r > MAX_NUM_XMIT_BUFFERS) {
+      r = DEFAULT_NUM_XMIT_BUFFERS;
+   }
+   dp->vxnNumTxBufs = r;
+
+   /*
+    * Calculate shared data size and allocate memory for it
+    */
+   driverDataSize =
+      sizeof(Vmxnet2_DriverData) +
+      /* numRecvBuffers + 1 for the dummy recvRing2 (used only by Windows) */
+      (dp->vxnNumRxBufs + 1) * sizeof(Vmxnet2_RxRingEntry) +
+      dp->vxnNumTxBufs * sizeof(Vmxnet2_TxRingEntry);
+
+   if (Vxn_AllocDmaMem(dp, driverDataSize, TRUE, &dp->driverDataDmaMem) 
+        != SOLVMXNET_SUCCESS) {
+      return SOLVMXNET_FAILURE;
+   }
+
+   /*
+    * Clear memory (bzero isn't resolved by module loader for some reason) 
+    */
+   ASSERT(dp->driverDataDmaMem.buf && dp->driverDataDmaMem.bufLen);
+   Vxn_Memset(dp->driverDataDmaMem.buf, 0, dp->driverDataDmaMem.bufLen);
+
+   dp->driverData = (Vmxnet2_DriverData *)dp->driverDataDmaMem.buf;
+   dp->driverDataPhy = (void *)(uintptr_t)dp->driverDataDmaMem.phyBuf;
+
+   /* So that the vmkernel can check it is compatible */
+   dp->driverData->magic = VMXNET2_MAGIC;
+   dp->driverData->length = driverDataSize;
+
+   /*
+    * Alloc rx/tx buffers, init ring, register with hardware etc.
+    */
+   if (Vxn_AllocInitBuffers(dp) != SOLVMXNET_SUCCESS) {
+      Vxn_FreeDmaMem(&dp->driverDataDmaMem);
+      return SOLVMXNET_FAILURE;
+   }
+
+   DPRINTF(3, (CE_CONT, "%s%d: numRxBufs=(%d*%"FMT64"d) numTxBufs=(%d*%"FMT64"d)" 
+               " driverDataSize=%d driverDataPhy=0x%p\n", 
+               dp->drvName, dp->unit, 
+               dp->vxnNumRxBufs, (uint64_t)sizeof(Vmxnet2_RxRingEntry),
+               dp->vxnNumTxBufs, (uint64_t)sizeof(Vmxnet2_TxRingEntry),
+               driverDataSize, dp->driverDataPhy));
+
+   return SOLVMXNET_SUCCESS;
+}
+
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_Attach --
+ *    Probe and attach driver to stack
+ *
+ * Results:
+ *    DDI_SUCCESS
+ *    DDI_FAILURE
+ *
+ * Side effects:
+ *    None 
+ *-----------------------------------------------------------------------------
+ */
+static int
+Vxn_Attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
+{
+   int                  i, ret, len, unit;
+   const char           *drvName;
+   ddi_acc_handle_t     confHdl;
+   uint16_t             vid, did;
+   uint8_t              revid;
+   struct pci_phys_spec *regs;
+   caddr_t              vxnIOp;
+   ddi_acc_handle_t     vxnIOHdl;
+   uint32_t             vLow, vHigh;
+   gld_mac_info_t       *macInfo;
+   vxn_softc_t          *dp;
+   boolean_t            morphed = FALSE;
+   uint_t               regSpaceSize;
+   uint_t               chip;
+   uint_t               vxnIOSize;
+
+   if (cmd != DDI_ATTACH) {
+      return DDI_FAILURE;
+   }
+
+   unit = ddi_get_instance(dip);
+   drvName = ddi_driver_name(dip);
+
+   /*
+    * Check if chip is supported.
+    */
+   if (pci_config_setup(dip, &confHdl) != DDI_SUCCESS) {
+      cmn_err(CE_WARN, "%s%d: pci_config_setup() failed", drvName, unit);
+      return DDI_FAILURE;
+   }
+
+   vid   = pci_config_get16(confHdl, PCI_CONF_VENID);
+   did   = pci_config_get16(confHdl, PCI_CONF_DEVID);
+   revid = pci_config_get8(confHdl, PCI_CONF_REVID);
+
+   if (vid == PCI_VENDOR_ID_VMWARE && did == PCI_DEVICE_ID_VMWARE_NET) {
+      /* Found vmxnet */
+      chip = VMXNET_CHIP;
+   }
+   else if (vid == PCI_VENDOR_ID_AMD && did == PCI_DEVICE_ID_AMD_VLANCE) {
+      /* Found vlance (maybe a vmxnet disguise) */
+      chip = LANCE_CHIP;
+   }
+   else {
+      /* Not Found */
+      DPRINTF(3, (CE_WARN, "%s: Vxn_Attach: wrong PCI venid/devid (0x%x, 0x%x)",
+              drvName, vid, did));
+      goto err;
+   }
+
+   DPRINTF(3, (CE_CONT, "%s%d: (vid: 0x%04x, did: 0x%04x, revid: 0x%02x)\n",
+           drvName, unit, vid, did, revid));
+
+   /* 
+    * Get device properties
+    */
+   regs = NULL;
+   len  = 0;
+   if (ddi_getlongprop(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
+                       "reg", (caddr_t)&regs, &len) != DDI_PROP_SUCCESS) {
+      cmn_err(CE_WARN, "%s%d: Vxn_Attach: failed to get reg property", 
+              drvName, unit);
+      goto err;
+   }
+
+   ASSERT(regs != NULL && len > 0);
+
+   /* 
+    * Search device properties for IO-space 
+    */
+   for (i = 0; i <len / sizeof(struct pci_phys_spec); i++) {
+      if ((regs[i].pci_phys_hi & PCI_REG_ADDR_M) == PCI_ADDR_IO) {
+         regSpaceSize = regs[i].pci_size_low;
+         DPRINTF(5, (CE_CONT, "%s%d: Vxn_Attach: regSpaceSize=%d\n", 
+                     drvName, unit, regSpaceSize));
+         kmem_free(regs, len);
+         goto map_space_found;
+      }
+   }
+
+   cmn_err(CE_WARN, "%s%d: Vxn_Attach: failed to find IO space", drvName, unit);
+   kmem_free(regs, len);
+   goto err;
+
+map_space_found:
+
+   /* 
+    * Ensure we can access registers through IO space. 
+    */
+   ret = pci_config_get16(confHdl, PCI_CONF_COMM);
+   ret |= PCI_COMM_IO | PCI_COMM_ME;
+   pci_config_put16(confHdl, PCI_CONF_COMM, ret);
+
+   if (ddi_regs_map_setup(dip, i, (caddr_t *)&vxnIOp, 0, 0, &dev_attr, 
+                          &vxnIOHdl) != DDI_SUCCESS) {
+      cmn_err(CE_WARN, "%s%d: Vxn_Attach: ddi_regs_map_setup failed", 
+              drvName, unit);
+      goto err;
+   }
+
+   if (chip == VMXNET_CHIP) {
+      vxnIOSize = VMXNET_CHIP_IO_RESV_SIZE;
+   }
+   else {
+      /*
+       * Since this is a vlance adapter we can only use it if
+       * its I/0 space is big enough for the adapter to be
+       * capable of morphing. This is the first requirement
+       * for this adapter to potentially be morphable. The
+       * layout of a morphable LANCE adapter is
+       *
+       * I/O space:
+       *
+       * |------------------| 
+       * | LANCE IO PORTS   |
+       * |------------------|
+       * | MORPH PORT       |
+       * |------------------|
+       * | VMXNET IO PORTS  |
+       * |------------------|
+       *
+       * VLance has 8 ports of size 4 bytes, the morph port is 4 bytes, and
+       * Vmxnet has 10 ports of size 4 bytes.
+       *
+       * We shift up the ioaddr with the size of the LANCE I/O space since
+       * we want to access the vmxnet ports. We also shift the ioaddr up by
+       * the MORPH_PORT_SIZE so other port access can be independent of
+       * whether we are Vmxnet or a morphed VLance. This means that when
+       * we want to access the MORPH port we need to subtract the size
+       * from ioaddr to get to it.
+       */
+      vxnIOp += LANCE_CHIP_IO_RESV_SIZE + MORPH_PORT_SIZE;
+      vxnIOSize = LANCE_CHIP_IO_RESV_SIZE + MORPH_PORT_SIZE +
+                  VMXNET_CHIP_IO_RESV_SIZE;
+   }
+
+   /*
+    * Do not attempt to morph non-morphable AMD PCnet
+    */
+   if (vxnIOSize > regSpaceSize) {
+      cmn_err(CE_WARN, "%s%d: Vxn_Attach: "
+              "vlance device is not supported by this driver", drvName, unit);
+      goto err_free_regs_map;
+   }
+
+   /*
+    * Morph, if we found a vlance adapter
+    */
+   if (chip == LANCE_CHIP) {
+      uint16_t magic;
+
+      /* Read morph port to verify that we can morph the adapter */
+      magic = ddi_get16(vxnIOHdl, (uint16_t *)(vxnIOp - MORPH_PORT_SIZE));
+      if (magic != LANCE_CHIP && magic != VMXNET_CHIP) {
+         cmn_err(CE_WARN, "%s%d: Vxn_Attach: Invalid magic, read: 0x%08X",
+                 drvName, unit, magic);
+         goto err_free_regs_map;
+      }
+
+      /* Morph */
+      ddi_put16(vxnIOHdl, (uint16_t *)(vxnIOp - MORPH_PORT_SIZE), VMXNET_CHIP);
+      morphed = TRUE;
+
+      /* Verify that we morphed correctly */
+      magic = ddi_get16(vxnIOHdl, (uint16_t *)(vxnIOp - MORPH_PORT_SIZE));
+      if (magic != VMXNET_CHIP) {
+         cmn_err(CE_WARN, "%s%d: Vxn_Attach: Couldn't morph adapter."
+                 " Invalid magic, read:: 0x%08X", drvName, unit, magic);
+         goto err_morph_back;
+      }
+   }
+
+   /*
+    * Check the version number of the device implementation
+    */ 
+   vLow  = (uint32_t)ddi_get32(vxnIOHdl, 
+                   (uint32_t *)(vxnIOp+VMXNET_LOW_VERSION));
+   vHigh = (uint32_t)ddi_get32(vxnIOHdl, 
+                   (uint32_t *)(vxnIOp+VMXNET_HIGH_VERSION));
+
+   if ((vLow & 0xffff0000) != (VMXNET2_MAGIC & 0xffff0000) || 
+       ((VMXNET2_MAGIC < vLow) || (VMXNET2_MAGIC > vHigh))) {
+      cmn_err(CE_WARN, "%s%d: Vxn_Attach: driver version 0x%08X doesn't "
+                       "match device 0x%08X:0x%08X", 
+              drvName, unit, VMXNET2_MAGIC, vLow, vHigh);
+      goto err_version_mismatch;
+   }
+
+   /*
+    * Alloc soft state
+    */
+   macInfo = gld_mac_alloc(dip);
+   if (!macInfo) {
+      cmn_err(CE_WARN, "%s%d: Vxn_Attach: gld_mac_alloc failed", 
+              drvName, unit);
+      goto err_gld_mac_alloc;
+   }
+
+   dp = (vxn_softc_t *) kmem_zalloc(sizeof(vxn_softc_t), KM_SLEEP);
+   ASSERT(dp);
+
+   /*
+    * Get interrupt cookie
+    */
+   if (ddi_get_iblock_cookie(dip, 0, &dp->iblockCookie) != DDI_SUCCESS) {
+      cmn_err(CE_WARN, "%s%d: Vxn_Attach: ddi_get_iblock_cookie failed", 
+              drvName, unit);
+      goto err_get_iblock_cookie;
+   }
+
+   strncpy(dp->drvName, drvName, SOLVMXNET_MAXNAME);
+   dp->unit = unit;
+   dp->dip = dip;
+   dp->macInfo = macInfo;
+   dp->confHdl = confHdl;
+   dp->vxnIOHdl = vxnIOHdl;
+   dp->vxnIOp = vxnIOp;
+   dp->morphed = morphed;
+   dp->nicActive = FALSE;
+   dp->txPending = 0;
+   dp->maxTxFrags = 1;
+
+   /*
+    * Initialize mutexes
+    */
+   mutex_init(&dp->intrlock, NULL, MUTEX_DRIVER, (void *)dp->iblockCookie);
+   mutex_init(&dp->xmitlock, NULL, MUTEX_DRIVER, (void *)dp->iblockCookie);
+   mutex_init(&dp->rxlistlock, NULL, MUTEX_DRIVER, (void *)dp->iblockCookie);
+
+   /* 
+    * Allocate and initialize our private and shared data structures
+    */
+   if (Vxn_AllocDriverData(dp) != SOLVMXNET_SUCCESS) {
+      goto err_alloc_driverdata;
+   }
+
+   /*
+    * Read the MAC address from the device
+    */
+   for (i = 0; i < 6; i++) {
+      dp->devAddr.ether_addr_octet[i] = 
+         (uint8_t)ddi_get8(vxnIOHdl, (uint8_t *)(vxnIOp + VMXNET_MAC_ADDR + i));
+   }
+   macInfo->gldm_vendor_addr = dp->devAddr.ether_addr_octet;
+   macInfo->gldm_broadcast_addr = etherbroadcastaddr.ether_addr_octet;
+
+   DPRINTF(3, (CE_CONT,
+           "MAC address: %02x:%02x:%02x:%02x:%02x:%02x\n",
+           dp->devAddr.ether_addr_octet[0],
+           dp->devAddr.ether_addr_octet[1],
+           dp->devAddr.ether_addr_octet[2],
+           dp->devAddr.ether_addr_octet[3],
+           dp->devAddr.ether_addr_octet[4],
+           dp->devAddr.ether_addr_octet[5]));
+
+   /*
+    * Configure GLD entry points
+    */
+   macInfo->gldm_devinfo      = dip;
+   macInfo->gldm_private      = (caddr_t)dp;
+   macInfo->gldm_cookie       = dp->iblockCookie;
+   macInfo->gldm_reset        = Vxn_Reset;
+   macInfo->gldm_start        = Vxn_Start;
+   macInfo->gldm_stop         = Vxn_Stop;
+   macInfo->gldm_set_mac_addr = Vxn_SetMacAddress;
+   macInfo->gldm_send         = Vxn_Send;
+   macInfo->gldm_set_promiscuous = Vxn_SetPromiscuous;
+   macInfo->gldm_get_stats    = Vxn_GetStats;
+   macInfo->gldm_ioctl        = NULL;
+   macInfo->gldm_set_multicast= Vxn_SetMulticast;
+   macInfo->gldm_intr         = Vxn_Interrupt;
+   macInfo->gldm_mctl         = NULL;
+   
+   macInfo->gldm_ident        = (char *)ddi_driver_name(dip);
+   macInfo->gldm_type         = DL_ETHER;
+   macInfo->gldm_minpkt       = 0;
+   macInfo->gldm_maxpkt       = ETHERMTU;
+   macInfo->gldm_addrlen      = ETHERADDRL;
+   macInfo->gldm_saplen       = -2;
+   macInfo->gldm_ppa          = unit;
+
+   /*
+    * Register with GLD (Generic Lan Driver) framework
+    */
+   if (gld_register(dip,
+            (char *)ddi_driver_name(dip), macInfo) != DDI_SUCCESS) {
+      goto err_gld_register;
+   }
+
+   /*
+    * Add interrupt to system.
+    */
+   if (ddi_add_intr(dip, 0, NULL, NULL, gld_intr,
+                    (caddr_t)macInfo) != DDI_SUCCESS) {
+      cmn_err(CE_WARN, "%s%d: ddi_add_intr failed", drvName, unit);
+      goto err_ddi_add_intr;
+   }
+
+   /*
+    * Add to list of interfaces.
+    */
+   mutex_enter(&vxnListLock);
+   dp->next = &vxnList;
+   dp->prev = vxnList.prev;
+   vxnList.prev->next = dp;
+   vxnList.prev = dp;
+   mutex_exit(&vxnListLock);
+
+   /*
+    * Success
+    */
+   return DDI_SUCCESS;
+
+err_ddi_add_intr:
+   gld_unregister(macInfo);
+
+err_gld_register:
+   Vxn_FreeDriverData(dp);
+
+err_alloc_driverdata:
+   mutex_destroy(&dp->intrlock);
+   mutex_destroy(&dp->xmitlock);
+
+err_get_iblock_cookie:
+   kmem_free(dp, sizeof(*dp));
+   gld_mac_free(macInfo);
+
+err_gld_mac_alloc:
+err_version_mismatch:
+err_morph_back:
+   if (morphed) {
+      ddi_put16(vxnIOHdl, (uint16_t *)(vxnIOp - MORPH_PORT_SIZE), LANCE_CHIP);
+   }
+
+err_free_regs_map:
+   ddi_regs_map_free(&vxnIOHdl);
+
+err:
+   pci_config_teardown(&confHdl);
+   return DDI_FAILURE;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ * Vxn_Detach --
+ *    Called on module unload
+ *
+ * Results:
+ *    DDI_SUCCESS
+ *    DDI_FAILURE
+ *
+ * Side effects:
+ *    None   
+ *-----------------------------------------------------------------------------
+ */
+static int
+Vxn_Detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
+{
+   gld_mac_info_t *macInfo;
+   vxn_softc_t    *dp;
+
+   macInfo = (gld_mac_info_t *)ddi_get_driver_private(dip);
+   dp = (vxn_softc_t *)macInfo->gldm_private;
+
+   if (cmd == DDI_DETACH) {
+      /*
+       * Tear down interrupt
+       */
+      ddi_remove_intr(dip, 0,  macInfo->gldm_cookie);
+      gld_unregister(macInfo);
+
+      /*
+       * Quiesce hardware
+       */
+      Vxn_Stop(macInfo);
+
+      /*
+       * Free driver-data, tx/rx buffers etc
+       */
+      Vxn_FreeDriverData(dp);
+
+      /*
+       * Destroy locks
+       */
+      mutex_destroy(&dp->intrlock);
+      mutex_destroy(&dp->xmitlock);
+
+      /*
+       * Unmorph
+       */
+      if (dp->morphed) {
+         uint16_t magic;
+
+         /* Verify that we had morphed earlier */
+         magic = ddi_get16(dp->vxnIOHdl, 
+                           (uint16_t *)(dp->vxnIOp - MORPH_PORT_SIZE));
+         if (magic != VMXNET_CHIP) {
+            cmn_err(CE_WARN, "%s%d: Vxn_Detach: Adapter not morphed"
+                             " magic=0x%08X", dp->drvName, dp->unit, magic);
+         }
+         else {
+            /* Unmorph */
+            ddi_put16(dp->vxnIOHdl, 
+                      (uint16_t *)(dp->vxnIOp - MORPH_PORT_SIZE), LANCE_CHIP);
+
+            /* Verify */
+            magic = ddi_get16(dp->vxnIOHdl, 
+                              (uint16_t *)(dp->vxnIOp - MORPH_PORT_SIZE));
+            if (magic != LANCE_CHIP) {
+               cmn_err(CE_WARN, "%s%d: Vxn_Detach: Unable to unmorph adapter"
+                             " magic=0x%08X", dp->drvName, dp->unit, magic);
+            }
+         }
+      }
+
+      /*
+       * Release resister mappings
+       */ 
+      ddi_regs_map_free(&dp->vxnIOHdl);
+      pci_config_teardown(&dp->confHdl);
+
+      /*
+       * Remove from list of interfaces.
+       */
+      mutex_enter(&vxnListLock);
+      ASSERT(dp != &vxnList);
+      dp->prev->next = dp->next;
+      dp->next->prev = dp->prev;
+      mutex_exit(&vxnListLock);
+
+      /*
+       * Release memory
+       */
+      kmem_free(dp, sizeof(*dp));
+      gld_mac_free(macInfo);
+
+      return DDI_SUCCESS;
+   }
+   else {
+      return DDI_FAILURE;
+   }
+}
+
+static   struct module_info vxnminfo = {
+  0,                    /* mi_idnum */
+  "vmxnet",             /* mi_idname */
+  0,                    /* mi_minpsz */
+  ETHERMTU,             /* mi_maxpsz */
+  QHIWATER,             /* mi_hiwat */
+  1,                    /* mi_lowat */
+};
+
+static   struct qinit vxnrinit = {
+   NULL,                /* qi_putp */
+   gld_rsrv,            /* qi_srvp */
+   gld_open,            /* qi_qopen */
+   gld_close,           /* qi_qclose */
+   NULL,                /* qi_qadmin */
+   &vxnminfo,           /* qi_minfo */
+   NULL                 /* qi_mstat */
+};
+
+static   struct qinit vxnwinit = {
+   gld_wput,            /* qi_putp */
+   gld_wsrv,            /* qi_srvp */
+   NULL,                /* qi_qopen */
+   NULL,                /* qi_qclose */
+   NULL,                /* qi_qadmin */
+   &vxnminfo,           /* qi_minfo */
+   NULL                 /* qi_mstat */
+};
+
+static struct streamtab vxn_info = {
+   &vxnrinit,           /* st_rdinit */
+   &vxnwinit,           /* st_wrinit */
+   NULL,                /* st_muxrinit */
+   NULL                 /* st_muxwrinit */
+};
+
+static   struct cb_ops cb_vxn_ops = {
+   nulldev,             /* cb_open */
+   nulldev,             /* cb_close */
+   nodev,               /* cb_strategy */
+   nodev,               /* cb_print */
+   nodev,               /* cb_dump */
+   nodev,               /* cb_read */
+   nodev,               /* cb_write */
+   nodev,               /* cb_ioctl */
+   nodev,               /* cb_devmap */
+   nodev,               /* cb_mmap */
+   nodev,               /* cb_segmap */
+   nochpoll,            /* cb_chpoll */
+   ddi_prop_op,         /* cb_prop_op */
+   &vxn_info,           /* cb_stream */
+   D_NEW|D_MP           /* cb_flag */
+};
+
+static   struct dev_ops vxn_ops = {
+   DEVO_REV,            /* devo_rev */
+   0,                   /* devo_refcnt */
+   gld_getinfo,         /* devo_getinfo */
+   nulldev,             /* devo_identify */
+   nulldev,             /* devo_probe */
+   Vxn_Attach,          /* devo_attach */
+   Vxn_Detach,          /* devo_detach */
+   nodev,               /* devo_reset */
+   &cb_vxn_ops,         /* devo_cb_ops */
+   NULL,                /* devo_bus_ops */
+   ddi_power            /* devo_power */
+};
+
+static struct modldrv modldrv = {
+   &mod_driverops,
+   ident,
+   &vxn_ops,
+};
+
+static struct modlinkage modlinkage = {
+   MODREV_1, {&modldrv, NULL,}
+};
+
+
+/*
+ * Module load entry point
+ */
+int
+_init(void)
+{
+   int err;
+
+   DPRINTF(5, (CE_CONT, "vxn: _init:\n"));
+   /* Initialize interface list */
+   vxnList.next = vxnList.prev = &vxnList;
+   mutex_init(&vxnListLock, NULL, MUTEX_DRIVER, NULL);
+   if ((err = mod_install(&modlinkage)) != 0) {
+      mutex_destroy(&vxnListLock);
+   }
+   return err;
+}
+
+/*
+ * Module unload entry point
+ */
+int
+_fini(void)
+{
+   int err;
+
+   DPRINTF(5, (CE_CONT, "vxn: _fini:\n"));
+   if ((err = mod_remove(&modlinkage)) == 0) {
+      mutex_destroy(&vxnListLock);
+   }
+   return err;
+}
+
+/*
+ * Module info entry point
+ */
+int
+_info(struct modinfo *modinfop)
+{
+   return (mod_info(&modlinkage, modinfop));
+}
+
diff --git a/usr/src/uts/intel/io/vmxnet/vmxnet.conf b/usr/src/uts/intel/io/vmxnet/vmxnet.conf
new file mode 100644
index 0000000000..eb3b160412
--- /dev/null
+++ b/usr/src/uts/intel/io/vmxnet/vmxnet.conf
@@ -0,0 +1,24 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright (c) 2012, Joyent, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
diff --git a/usr/src/uts/intel/io/vmxnet/vmxnet2_def.h b/usr/src/uts/intel/io/vmxnet/vmxnet2_def.h
new file mode 100644
index 0000000000..5ea437df72
--- /dev/null
+++ b/usr/src/uts/intel/io/vmxnet/vmxnet2_def.h
@@ -0,0 +1,436 @@
+/*********************************************************
+ * Copyright (C) 2004 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ *
+ *********************************************************/
+
+/*********************************************************
+ * The contents of this file are subject to the terms of the Common
+ * Development and Distribution License (the "License") version 1.0
+ * and no later version.  You may not use this file except in
+ * compliance with the License.
+ *
+ * You can obtain a copy of the License at
+ *         http://www.opensource.org/licenses/cddl1.php
+ *
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ *********************************************************/
+
+#ifndef _VMXNET2_DEF_H_
+#define _VMXNET2_DEF_H_
+
+#define INCLUDE_ALLOW_USERLEVEL
+
+#define INCLUDE_ALLOW_MODULE
+#define INCLUDE_ALLOW_VMK_MODULE
+#define INCLUDE_ALLOW_VMKERNEL
+#define INCLUDE_ALLOW_DISTRIBUTE
+#include "includeCheck.h"
+
+#include "net_sg.h"
+#include "vmxnet_def.h"
+
+
+/*
+ * Magic number that identifies this version of the vmxnet protocol.
+ */
+#define VMXNET2_MAGIC			0xbabe864f
+
+/* size of the rx ring */
+#define VMXNET2_MAX_NUM_RX_BUFFERS		128
+#define VMXNET2_DEFAULT_NUM_RX_BUFFERS	        100
+
+
+/* size of the rx ring when enhanced vmxnet is used */
+#define ENHANCED_VMXNET2_MAX_NUM_RX_BUFFERS     512 
+#define ENHANCED_VMXNET2_DEFAULT_NUM_RX_BUFFERS 150 
+
+/* size of the 2nd rx ring */
+#define VMXNET2_MAX_NUM_RX_BUFFERS2             2048 
+#define VMXNET2_DEFAULT_NUM_RX_BUFFERS2	        512
+
+/* size of the tx ring */
+#define VMXNET2_MAX_NUM_TX_BUFFERS		128
+#define VMXNET2_DEFAULT_NUM_TX_BUFFERS	        100
+
+/* size of the tx ring when tso/jf is used */
+#define VMXNET2_MAX_NUM_TX_BUFFERS_TSO          512
+#define VMXNET2_DEFAULT_NUM_TX_BUFFERS_TSO	256
+
+enum {
+   VMXNET2_OWNERSHIP_DRIVER,
+   VMXNET2_OWNERSHIP_DRIVER_PENDING,
+   VMXNET2_OWNERSHIP_NIC,
+   VMXNET2_OWNERSHIP_NIC_PENDING,
+   VMXNET2_OWNERSHIP_NIC_FRAG,
+   VMXNET2_OWNERSHIP_DRIVER_FRAG,
+};
+
+#define VMXNET2_SG_DEFAULT_LENGTH	6
+
+typedef struct Vmxnet2_SG_Array {
+   uint16	addrType;
+   uint16	length;
+   NetSG_Elem	sg[VMXNET2_SG_DEFAULT_LENGTH];
+} Vmxnet2_SG_Array;
+
+typedef struct Vmxnet2_RxRingEntry {
+   uint64		paddr;		/* Physical address of the packet data. */
+   uint32		bufferLength;	/* The length of the data at paddr. */
+   uint32		actualLength;	/* The actual length of the received data. */
+   uint16               ownership;	/* Who owns the packet. */
+   uint16		flags;		/* Flags as defined below. */
+   uint32               index;          /* 
+                                         * Currently:
+                                         *
+                                         * This is being used as an packet index to
+                                         * rx buffers.
+                                         *
+                                         * Originally: 
+                                         *
+					 * was void* driverData ("Driver specific data.")
+					 * which was used for sk_buf**s in Linux and
+                                         * VmxnetRxBuff*s in Windows.  It could not be
+					 * here because the structure needs to be the
+					 * same size between architectures, and it was
+					 * not used on the device side, anyway.  Look
+					 * for its replacement in
+					 * Vmxnet_Private.rxRingBuffPtr on Linux and
+					 * VmxnetAdapter.rxRingBuffPtr on Windows.
+					 */
+} Vmxnet2_RxRingEntry;
+
+/*
+ * Vmxnet2_RxRingEntry flags:
+ * 
+ * VMXNET2_RX_HW_XSUM_OK       The hardware verified the TCP/UDP checksum.
+ * VMXNET2_RX_WITH_FRAG        More data is in the 2nd ring
+ * VMXNET2_RX_FRAG_EOP         This is the last frag, the only valid flag for
+ *                             2nd ring entry
+ *
+ */
+#define VMXNET2_RX_HW_XSUM_OK  0x01
+#define VMXNET2_RX_WITH_FRAG   0x02
+#define VMXNET2_RX_FRAG_EOP    0x04
+
+typedef struct Vmxnet2_TxRingEntry {
+   uint16		flags;		/* Flags as defined below. */
+   uint16 	        ownership;	/* Who owns this packet. */
+   uint32               extra;          /*
+					 * was void* driverData ("Driver specific data.")
+					 * which was used for sk_buf*s in Linux and
+                                         * VmxnetTxInfo*s in Windows.  It could not be
+					 * here because the structure needs to be the
+					 * same size between architectures, and it was
+					 * not used on the device side, anyway.  Look
+					 * for its replacement in
+					 * Vmxnet_Private.txRingBuffPtr on Linux and
+					 * VmxnetAdapter.txRingBuffPtr on Windows.
+					 */
+   uint32               tsoMss;         /* TSO pkt MSS */
+   Vmxnet2_SG_Array	sg;		/* Packet data. */
+} Vmxnet2_TxRingEntry;
+
+/*
+ * Vmxnet2_TxRingEntry flags:
+ *
+ *   VMXNET2_TX_CAN_KEEP	The implementation can return the tx ring entry 
+ *				to the driver when it is ready as opposed to 
+ *				before the transmit call from the driver completes.
+ *   VMXNET2_TX_RING_LOW	The driver's transmit ring buffer is low on free
+ *				slots.
+ *   VMXNET2_TX_HW_XSUM         The hardware should perform the TCP/UDP checksum
+ *   VMXNET2_TX_TSO             The hardware should do TCP segmentation.
+ *   VMXNET2_TX_PINNED_BUFFER   The driver used one of the preallocated vmkernel
+ *                              buffers *and* it has been pinned with Net_PinTxBuffers.
+ *   VMXNET2_TX_MORE            This is *not* the last tx entry for the pkt.
+ *                              All flags except VMXNET2_TX_MORE are ignored
+ *                              for the subsequent tx entries.
+ */
+#define VMXNET2_TX_CAN_KEEP	     0x0001
+#define VMXNET2_TX_RING_LOW	     0x0002
+#define VMXNET2_TX_HW_XSUM           0x0004
+#define VMXNET2_TX_TSO	             0x0008
+#define VMXNET2_TX_PINNED_BUFFER     0x0010
+#define VMXNET2_TX_MORE              0x0020
+
+/*
+ * Structure used by implementations.  This structure allows the inline
+ * functions below to be used.
+ */
+typedef struct Vmxnet2_RxRingInfo {
+   Vmxnet2_RxRingEntry    *base;       /* starting addr of the ring */
+   uint32                  nicNext;    /* next entry to use in the ring */
+   uint32                  ringLength; /* # of entries in the ring */
+   PA                      startPA;    /* PA of the starting addr of the ring */
+#ifdef VMX86_DEBUG
+   const char             *name;
+#endif
+} Vmxnet2_RxRingInfo;
+
+typedef struct Vmxnet2_TxRingInfo {
+   Vmxnet2_TxRingEntry    *base;       /* starting addr of the ring */
+   uint32                  nicNext;    /* next entry to use in the ring */
+   uint32                  ringLength; /* # of entries in the ring */
+   PA                      startPA;    /* PA of the starting addr of the ring */
+#ifdef VMX86_DEBUG
+   const char             *name;
+#endif
+} Vmxnet2_TxRingInfo;
+
+typedef struct Vmxnet2_ImplData {
+   Vmxnet2_RxRingInfo    rxRing;
+   Vmxnet2_RxRingInfo    rxRing2;
+   Vmxnet2_TxRingInfo    txRing;
+
+   struct PhysMem_Token	  *ddPhysMemToken;
+} Vmxnet2_ImplData;
+
+/* 
+ * Used internally for performance studies. By default this will be off so there 
+ * should be no compatibilty or other interferences.
+ */
+
+/* #define ENABLE_VMXNET2_PROFILING    */
+
+
+#ifdef ENABLE_VMXNET2_PROFILING
+typedef struct Vmxnet2_VmmStats {
+   uint64      vIntTSC;             /* the time that virtual int was posted */
+   uint64      actionsCount;        /* Number of actions received */
+   uint64      numWasteActions;     /* Number of non-productive actions */
+}  Vmxnet2_VmmStats;
+#endif
+
+typedef struct Vmxnet2_DriverStats {
+   uint32	transmits;	   /* # of times that the drivers transmit function */
+				   /*   is called. The driver could transmit more */
+				   /*   than one packet per call. */
+   uint32	pktsTransmitted;   /* # of packets transmitted. */
+   uint32	noCopyTransmits;   /* # of packets that are transmitted without */
+				   /*   copying any data. */
+   uint32	copyTransmits;	   /* # of packets that are transmittted by copying */
+				   /*   the data into a buffer. */
+   uint32	maxTxsPending;	   /* Max # of transmits outstanding. */
+   uint32	txStopped;	   /* # of times that transmits got stopped because */
+				   /*   the tx ring was full. */
+   uint32	txRingOverflow;	   /* # of times that transmits got deferred bc */
+				   /*   the tx ring was full.  This must be >= */
+				   /*   txStopped since there will be one */
+				   /*   txStopped when the ring fills up and then */
+				   /*   one txsRingOverflow for each packet that */
+				   /*   that gets deferred until there is space. */
+   uint32	interrupts;	   /* # of times interrupted. */
+   uint32	pktsReceived;	   /* # of packets received. */
+   uint32	rxBuffersLow;	   /* # of times that the driver was low on */
+				   /*   receive buffers. */
+#ifdef ENABLE_VMXNET2_PROFILING
+    Vmxnet2_VmmStats  vmmStats;     /* vmm related stats for perf study */
+#endif
+} Vmxnet2_DriverStats;
+
+/*
+ * Shared data structure between the vm, the vmm, and the vmkernel.
+ * This structure was originally arranged to try to group common data 
+ * on 32-byte cache lines, but bit rot and the fact that we no longer
+ * run on many CPUs with that cacheline size killed that optimization.
+ * vmxnet3 should target 128 byte sizes and alignments to optimize for
+ * the 64 byte cacheline pairs on P4.
+ */
+typedef struct Vmxnet2_DriverData {
+   /*
+    * Magic must be first.
+    */
+   Vmxnet_DDMagic       magic;
+
+   /*
+    * Receive fields. 
+    */
+   uint32		rxRingLength;		/* Length of the receive ring. */
+   uint32		rxDriverNext;		/* Index of the next packet that will */
+						/*   be filled in by the impl */
+
+   uint32		rxRingLength2;	        /* Length of the 2nd receive ring. */
+   uint32		rxDriverNext2;	        /* Index of the next packet that will */
+						/*   be filled in by the impl */
+
+   uint32		notUsed1;               /* was "irq" */
+
+   /*
+    * Interface flags and multicast filter.
+    */
+   uint32		ifflags;
+   uint32		LADRF[VMXNET_MAX_LADRF];
+
+   /*
+    * Transmit fields
+    */
+   uint32               txDontClusterSize;      /* All packets <= this will be transmitted */
+                                                /* immediately, regardless of clustering */
+                                                /* settings [was fill[1]] */
+   uint32		txRingLength;		/* Length of the transmit ring. */
+   uint32		txDriverCur;		/* Index of the next packet to be */
+						/*   returned by the implementation.*/
+   uint32		txDriverNext;		/* Index of the entry in the ring */
+						/*   buffer to use for the next packet.*/
+   uint32		txStopped;  		/* The driver has stopped transmitting */
+						/*   because its ring buffer is full.*/
+   uint32		txClusterLength;	/* Maximum number of packets to */
+						/*   put in the ring buffer before */
+						/*   asking the implementation to */
+						/*   transmit the packets in the buffer.*/
+   uint32		txNumDeferred;          /* Number of packets that have been */
+						/*   queued in the ring buffer since */
+						/*   the last time the implementation */
+						/*   was asked to transmit. */
+   uint32		notUsed3;               /* This field is deprecated but still used */
+                                                /* as minXmitPhysLength on the escher branch. */
+                                                /* It cannot be used for other purposes */
+                                                /* until escher vms no longer are allowed */
+                                                /* to install this driver. */
+
+   uint32              totalRxBuffers;          /* used by esx for max rx buffers */
+   uint64              rxBufferPhysStart;       /* used by esx for pinng rx buffers */
+   /*
+    * Extra fields for future expansion.
+    */
+   uint32		extra[2];
+
+   uint16               maxFrags;               /* # of frags the driver can handle */
+   uint16               featureCtl;             /* for driver to enable some feature */
+
+   /*
+    * The following fields are used to save the nicNext indexes part
+    * of implData in the vmkernel when disconnecting the adapter, we
+    * need them when we reconnect.  This mechanism is used for
+    * checkpointing as well.
+    */
+   uint32               savedRxNICNext;
+   uint32               savedRxNICNext2;
+   uint32               savedTxNICNext;
+
+   /*
+    * Fields used during initialization or debugging.
+    */
+   uint32		length;
+   uint32		rxRingOffset;
+   uint32		rxRingOffset2;
+   uint32		txRingOffset;   
+   uint32		debugLevel;
+   uint32		txBufferPhysStart;
+   uint32		txBufferPhysLength;
+   uint32		txPktMaxSize;
+
+   /*
+    * Driver statistics.
+    */
+   Vmxnet2_DriverStats	stats;
+} Vmxnet2_DriverData;
+
+/* 
+ * Shared between VMM and Vmkernel part of vmxnet2 to optimize action posting
+ * VMM writes 1 (don't post) or 0 (okay to post) and vmk reads this.
+ */
+typedef struct VmxnetVMKShared {
+   uint32  dontPostActions;  
+} VmxnetVMKShared;
+
+#if defined VMX86_VMX || defined VMKERNEL
+
+/*
+ * Inline functions used to assist the implementation of the vmxnet interface.
+ */
+
+/*
+ * Get the next empty packet out of the receive ring and move to 
+ * the next packet.
+ */
+static INLINE Vmxnet2_RxRingEntry *
+Vmxnet2_GetNextRx(Vmxnet2_RxRingInfo *ri, uint16 ownership)
+{
+   Vmxnet2_RxRingEntry *rre = ri->base + ri->nicNext;
+   if (rre->ownership == ownership) {
+      VMXNET_INC(ri->nicNext, ri->ringLength);
+   } else {
+      rre = NULL;
+   }
+
+   return rre;
+}
+
+/*
+ * Return ownership of a packet in the receive ring to the driver.
+ */
+static INLINE void
+Vmxnet2_PutRx(Vmxnet2_RxRingEntry *rre, uint32 pktLength, uint16 ownership)
+{
+   rre->actualLength = pktLength;
+   COMPILER_MEM_BARRIER();
+   rre->ownership = ownership;
+}
+
+/*
+ * Get the next pending packet out of the transmit ring.
+ */
+static INLINE Vmxnet2_TxRingEntry *
+Vmxnet2_GetNextTx(Vmxnet2_TxRingInfo *ri)
+{
+   Vmxnet2_TxRingEntry *txre = ri->base + ri->nicNext;
+   if (txre->ownership == VMXNET2_OWNERSHIP_NIC) {
+      return txre;
+   } else {
+      return NULL;
+   }
+}
+
+/*
+ * Move to the next entry in the transmit ring.
+ */
+static INLINE unsigned int
+Vmxnet2_IncNextTx(Vmxnet2_TxRingInfo *ri)
+{
+   unsigned int prev = ri->nicNext;
+   Vmxnet2_TxRingEntry *txre = ri->base + ri->nicNext;
+   
+   txre->ownership = VMXNET2_OWNERSHIP_NIC_PENDING;
+
+   VMXNET_INC(ri->nicNext, ri->ringLength);
+   return prev;
+}
+
+/*
+ * Get the indicated entry from transmit ring.
+ */
+static INLINE Vmxnet2_TxRingEntry *
+Vmxnet2_GetTxEntry(Vmxnet2_TxRingInfo *ri, unsigned int idx)
+{
+   return ri->base + idx;
+}
+
+/*
+ * Get the indicated entry from the given rx ring
+ */
+static INLINE Vmxnet2_RxRingEntry *
+Vmxnet2_GetRxEntry(Vmxnet2_RxRingInfo *ri, unsigned int idx)
+{
+   return ri->base + idx;
+}
+
+#endif /* defined VMX86_VMX || defined VMKERNEL */
+
+#endif
+
diff --git a/usr/src/uts/intel/io/vmxnet/vmxnet_def.h b/usr/src/uts/intel/io/vmxnet/vmxnet_def.h
new file mode 100644
index 0000000000..703466c995
--- /dev/null
+++ b/usr/src/uts/intel/io/vmxnet/vmxnet_def.h
@@ -0,0 +1,184 @@
+/*********************************************************
+ * Copyright (C) 1999 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ *
+ *********************************************************/
+
+/*********************************************************
+ * The contents of this file are subject to the terms of the Common
+ * Development and Distribution License (the "License") version 1.0
+ * and no later version.  You may not use this file except in
+ * compliance with the License.
+ *
+ * You can obtain a copy of the License at
+ *         http://www.opensource.org/licenses/cddl1.php
+ *
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ *********************************************************/
+
+#ifndef _VMXNET_DEF_H_
+#define _VMXNET_DEF_H_
+
+#define INCLUDE_ALLOW_USERLEVEL
+
+#define INCLUDE_ALLOW_MODULE
+#define INCLUDE_ALLOW_VMK_MODULE
+#define INCLUDE_ALLOW_VMKERNEL
+#define INCLUDE_ALLOW_DISTRIBUTE
+#include "includeCheck.h"
+
+#include "net_sg.h"
+#include "vmnet_def.h"
+
+
+/*
+ *   Vmxnet I/O ports, used by both the vmxnet driver and 
+ *   the device emulation code.
+ */
+
+#define VMXNET_INIT_ADDR		0x00
+#define VMXNET_INIT_LENGTH		0x04
+#define VMXNET_TX_ADDR		        0x08
+#define VMXNET_COMMAND_ADDR		0x0c
+#define VMXNET_MAC_ADDR			0x10
+#define VMXNET_LOW_VERSION		0x18
+#define VMXNET_HIGH_VERSION		0x1c
+#define VMXNET_STATUS_ADDR		0x20
+#define VMXNET_TOE_INIT_ADDR            0x24
+#define VMXNET_APROM_ADDR               0x28
+#define VMXNET_INT_ENABLE_ADDR          0x30
+#define VMXNET_WAKE_PKT_PATTERNS        0x34
+
+/*
+ * Vmxnet command register values.
+ */
+#define VMXNET_CMD_INTR_ACK		0x0001
+#define VMXNET_CMD_UPDATE_LADRF		0x0002
+#define VMXNET_CMD_UPDATE_IFF		0x0004
+#define VMXNET_CMD_UNUSED 1		0x0008
+#define VMXNET_CMD_UNUSED_2		0x0010
+#define VMXNET_CMD_INTR_DISABLE  	0x0020
+#define VMXNET_CMD_INTR_ENABLE   	0x0040
+#define VMXNET_CMD_UNUSED_3		0x0080
+#define VMXNET_CMD_CHECK_TX_DONE	0x0100
+#define VMXNET_CMD_GET_NUM_RX_BUFFERS	0x0200
+#define VMXNET_CMD_GET_NUM_TX_BUFFERS	0x0400
+#define VMXNET_CMD_PIN_TX_BUFFERS	0x0800
+#define VMXNET_CMD_GET_CAPABILITIES	0x1000
+#define VMXNET_CMD_GET_FEATURES		0x2000
+#define VMXNET_CMD_SET_POWER_FULL       0x4000
+#define VMXNET_CMD_SET_POWER_LOW        0x8000
+
+/*
+ * Vmxnet status register values.
+ */
+#define VMXNET_STATUS_CONNECTED		0x0001
+#define VMXNET_STATUS_ENABLED		0x0002
+#define VMXNET_STATUS_TX_PINNED         0x0004
+
+/*
+ * Values for the interface flags.
+ */
+#define VMXNET_IFF_PROMISC		0x01
+#define VMXNET_IFF_BROADCAST		0x02
+#define VMXNET_IFF_MULTICAST		0x04
+#define VMXNET_IFF_DIRECTED             0x08
+
+/*
+ * Length of the multicast address filter.
+ */
+#define VMXNET_MAX_LADRF		2
+
+/*
+ * Size of Vmxnet APROM. 
+ */
+#define VMXNET_APROM_SIZE 6
+
+/*
+ * An invalid ring index.
+ */
+#define VMXNET_INVALID_RING_INDEX	(-1)
+
+/*
+ * Features that are implemented by the driver.  These are driver
+ * specific so not all features will be listed here.  In addition not all
+ * drivers have to pay attention to these feature flags.
+ *
+ *  VMXNET_FEATURE_ZERO_COPY_TX 	The driver won't do any copies as long as
+ *					the packet length is > 
+ *					Vmxnet_DriverData.minTxPhysLength.
+ * 
+ *  VMXNET_FEATURE_TSO                  The driver will use the TSO capabilities
+ *                                      of the underlying hardware if available 
+ *                                      and enabled.
+ *
+ *  VMXNET_FEATURE_JUMBO_FRAME          The driver can send/rcv jumbo frame 
+ *
+ *  VMXNET_FEATURE_LPD                  The backend can deliver large pkts
+ */
+#define VMXNET_FEATURE_ZERO_COPY_TX             0x01
+#define VMXNET_FEATURE_TSO                      0x02
+#define VMXNET_FEATURE_JUMBO_FRAME              0x04
+#define VMXNET_FEATURE_LPD                      0x08
+
+/*
+ * Define the set of capabilities required by each feature above
+ */
+#define VMXNET_FEATURE_ZERO_COPY_TX_CAPS        VMXNET_CAP_SG
+#define VMXNET_FEATURE_TSO_CAPS                 VMXNET_CAP_TSO
+#define VMXNET_HIGHEST_FEATURE_BIT              VMXNET_FEATURE_TSO
+
+#define VMXNET_INC(val, max)     \
+   val++;                        \
+   if (UNLIKELY(val == max)) {   \
+      val = 0;                   \
+   }
+
+/*
+ * code that just wants to switch on the different versions of the
+ * guest<->implementation protocol can cast driver data to this.
+ */
+typedef uint32 Vmxnet_DDMagic;
+
+/*
+ * Wake packet pattern commands sent through VMXNET_WAKE_PKT_PATTERNS port
+ */
+
+#define VMXNET_PM_OPCODE_START 3 /* args: cnt of wake packet patterns */
+#define VMXNET_PM_OPCODE_LEN   2 /* args: index of wake packet pattern */
+                                 /*       number of pattern byte values */
+#define VMXNET_PM_OPCODE_DATA  1 /* args: index of wake packet pattern */
+                                 /*       offset in pattern byte values list */
+                                 /*       packet byte offset */
+                                 /*       packet byte value */
+#define VMXNET_PM_OPCODE_END   0 /* args: <none> */
+
+typedef union Vmxnet_WakePktCmd {
+   uint32 pktData : 32;
+   struct {
+      unsigned cmd : 2; /* wake packet pattern cmd [from list above] */
+      unsigned cnt : 3; /* cnt wk pkt pttrns 1..MAX_NUM_FILTER_PTTRNS */
+      unsigned ind : 3; /* ind wk pkt pttrn 0..MAX_NUM_FILTER_PTTRNS-1 */
+      unsigned lenOff : 8; /* num pttrn byte vals 1..MAX_PKT_FILTER_SIZE */
+                           /* OR offset in pattern byte values list */
+                           /* 0..MAX_PKT_FILTER_SIZE-1 */
+      unsigned byteOff : 8; /* pkt byte offset 0..MAX_PKT_FILTER_SIZE-1 */
+      unsigned byteVal : 8; /* packet byte value 0..255 */
+   } pktPttrn;
+} Vmxnet_WakePktCmd;
+
+#endif /* _VMXNET_DEF_H_ */
diff --git a/usr/src/uts/intel/ip/ip.global-objs.debug64 b/usr/src/uts/intel/ip/ip.global-objs.debug64
index b05d399caf..3098f98265 100644
--- a/usr/src/uts/intel/ip/ip.global-objs.debug64
+++ b/usr/src/uts/intel/ip/ip.global-objs.debug64
@@ -105,7 +105,6 @@ ilb_sticky_expiry
 ilb_sticky_timer_size
 ilb_sticky_timeout
 ill_no_arena
-ill_null
 inet_dev_info
 inet_devops
 ip6_ftable_hash_size
diff --git a/usr/src/uts/intel/ip/ip.global-objs.obj64 b/usr/src/uts/intel/ip/ip.global-objs.obj64
index 7dd30502a0..f182d7198e 100644
--- a/usr/src/uts/intel/ip/ip.global-objs.obj64
+++ b/usr/src/uts/intel/ip/ip.global-objs.obj64
@@ -105,7 +105,6 @@ ilb_sticky_expiry
 ilb_sticky_timer_size
 ilb_sticky_timeout
 ill_no_arena
-ill_null
 inet_dev_info
 inet_devops
 ip6_ftable_hash_size
diff --git a/usr/src/uts/intel/ipf/Makefile b/usr/src/uts/intel/ipf/Makefile
index 046a6c223d..e18158a43d 100644
--- a/usr/src/uts/intel/ipf/Makefile
+++ b/usr/src/uts/intel/ipf/Makefile
@@ -58,7 +58,7 @@ INSTALL_TARGET	= $(BINARY) $(ROOTMODULE) $(ROOT_CONFFILE)
 
 CPPFLAGS += -DIPFILTER_LKM -DIPFILTER_LOG -DIPFILTER_LOOKUP -DUSE_INET6
 CPPFLAGS += -DSUNDDI -DSOLARIS2=$(RELEASE_MINOR) -DIRE_ILL_CN
-LDFLAGS += -dy -Ndrv/ip -Nmisc/md5 -Nmisc/neti -Nmisc/hook -Nmisc/kcf
+LDFLAGS += -dy -Ndrv/ip -Nmisc/md5 -Nmisc/neti -Nmisc/hook -Nmisc/kcf -Ndrv/vnd
 
 INC_PATH += -I$(UTSBASE)/common/inet/ipf
 
diff --git a/usr/src/uts/intel/ipf/ipf.global-objs.debug64 b/usr/src/uts/intel/ipf/ipf.global-objs.debug64
index 663613cee3..0af6da41fa 100644
--- a/usr/src/uts/intel/ipf/ipf.global-objs.debug64
+++ b/usr/src/uts/intel/ipf/ipf.global-objs.debug64
@@ -39,6 +39,10 @@ hook4_nicevents
 hook4_nicevents_gz
 hook4_out
 hook4_out_gz
+hook4_vnd_in
+hook4_vnd_in_gz
+hook4_vnd_out
+hook4_vnd_out_gz
 hook6_in
 hook6_in_gz
 hook6_loop_in
@@ -49,6 +53,10 @@ hook6_nicevents
 hook6_nicevents_gz
 hook6_out
 hook6_out_gz
+hook6_vnd_in
+hook6_vnd_in_gz
+hook6_vnd_out
+hook6_vnd_out_gz
 icmpreplytype4
 icmpreplytype6
 icmptoicmp6types
diff --git a/usr/src/uts/intel/kdi/kdi_idt.c b/usr/src/uts/intel/kdi/kdi_idt.c
index 4bd6ca73e1..73d9628e62 100644
--- a/usr/src/uts/intel/kdi/kdi_idt.c
+++ b/usr/src/uts/intel/kdi/kdi_idt.c
@@ -217,7 +217,8 @@ kdi_idt_patch(caddr_t code, size_t sz)
 			continue;	/* uses kernel's handler */
 
 		gd = &kdi_idt[i];
-		patch = (uchar_t *)GATESEG_GETOFFSET(gd) + KDI_MSR_PATCHOFF;
+		patch = ((uchar_t *)(uintptr_t)GATESEG_GETOFFSET(gd)) +
+		    KDI_MSR_PATCHOFF;
 
 		/*
 		 * We can't ASSERT that there's a nop here, because this may be
diff --git a/usr/src/uts/intel/lx_afs/Makefile b/usr/src/uts/intel/lx_afs/Makefile
new file mode 100644
index 0000000000..657ce7f4f0
--- /dev/null
+++ b/usr/src/uts/intel/lx_afs/Makefile
@@ -0,0 +1,108 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+#	This makefile drives the production of the lxproc file system
+#	kernel module.
+#
+#	i86 architecture dependent
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+#	Note that the name of the actual filesystem is lx_afs and
+#	not lx_autofs.  This is becase filesystem names are stupidly
+#	limited to 8 characters.
+#
+MODULE		= lx_afs
+OBJECTS		= $(LX_AUTOFS_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(LX_AUTOFS_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(USR_FS_DIR)/$(MODULE)
+
+INC_PATH	+= -I$(UTSBASE)/common/brand/lx
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+#
+#	Overrides.
+#
+CFLAGS		+= $(CCVERBOSE)
+LDFLAGS		+= -dy
+
+#
+# For now, disable these lint checks; maintainers should endeavor
+# to investigate and remove these for maximum lint coverage.
+# Please do not carry these forward to new Makefiles.
+#
+LINTTAGS	+= -erroff=E_ASSIGN_NARROW_CONV
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
+
+#
+#	Include brand-specific rules
+#
+
+include $(UTSBASE)/intel/lx_afs/Makefile.rules
diff --git a/usr/src/uts/intel/lx_afs/Makefile.rules b/usr/src/uts/intel/lx_afs/Makefile.rules
new file mode 100644
index 0000000000..2793fedaa4
--- /dev/null
+++ b/usr/src/uts/intel/lx_afs/Makefile.rules
@@ -0,0 +1,40 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+
+#
+#	Section 1a: C object build rules
+#
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/brand/lx/autofs/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+#
+#	Section 1b: Lint `object' build rules.
+#
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/brand/lx/autofs/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
diff --git a/usr/src/uts/intel/lx_audio/Makefile b/usr/src/uts/intel/lx_audio/Makefile
new file mode 100644
index 0000000000..9341fc7def
--- /dev/null
+++ b/usr/src/uts/intel/lx_audio/Makefile
@@ -0,0 +1,100 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# uts/intel/lx_audio/Makefile
+#
+# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+#	This makefile drives the production of the lx_audio driver
+#
+#	intel architecture dependent
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= lx_audio
+OBJECTS		= $(LX_AUDIO_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(LX_AUDIO_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(USR_DRV_DIR)/$(MODULE)
+CONF_SRCDIR	= $(UTSBASE)/common/brand/lx/io
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY) $(SRC_CONFILE)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE) $(ROOT_CONFFILE)
+
+CPPFLAGS	+= -I$(UTSBASE)/common/brand/lx
+
+#
+# For now, disable these lint checks; maintainers should endeavor
+# to investigate and remove these for maximum lint coverage.
+# Please do not carry these forward to new Makefiles.
+#
+LINTTAGS	+= -erroff=E_BAD_PTR_CAST_ALIGN
+LINTTAGS	+= -erroff=E_ASSIGN_NARROW_CONV
+LINTTAGS	+= -erroff=E_SUSPICIOUS_COMPARISON
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
+
+$(OBJS_DIR)/%.o:	$(UTSBASE)/common/brand/lx/io/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(LINTS_DIR)/%.ln:	$(UTSBASE)/common/brand/lx/io/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
diff --git a/usr/src/uts/intel/lx_brand/Makefile b/usr/src/uts/intel/lx_brand/Makefile
new file mode 100644
index 0000000000..01ac92512c
--- /dev/null
+++ b/usr/src/uts/intel/lx_brand/Makefile
@@ -0,0 +1,108 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+# Copyright 2014 Joyent, Inc.  All rights reserved.
+#
+#	This makefile drives the production of the kernel component of
+#	the lx brand
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE		= ../..
+
+#
+#	Path to where brand common sources live
+#
+LX_CMN		= $(SRC)/common/brand/lx
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= lx_brand
+OBJECTS		= $(LX_BRAND_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(LX_BRAND_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(USR_BRAND_DIR)/$(MODULE)
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+INC_PATH	+= -I$(UTSBASE)/common/brand/lx -I$(LX_CMN)
+AS_INC_PATH	+= -I$(UTSBASE)/i86pc/genassym/$(OBJS_DIR)
+
+#
+# lint pass one enforcement
+#
+CFLAGS		+= $(CCVERBOSE)
+
+LDFLAGS		+= -dy -Nexec/elfexec -Nfs/fifofs
+
+#
+# For now, disable these lint checks; maintainers should endeavor
+# to investigate and remove these for maximum lint coverage.
+# Please do not carry these forward to new Makefiles.
+#
+LINTTAGS	+= -erroff=E_ASSIGN_NARROW_CONV
+LINTTAGS	+= -erroff=E_SUSPICIOUS_COMPARISON
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
+
+#
+#	Include brand-specific rules
+#
+
+include $(UTSBASE)/intel/lx_brand/Makefile.rules
diff --git a/usr/src/uts/intel/lx_brand/Makefile.rules b/usr/src/uts/intel/lx_brand/Makefile.rules
new file mode 100644
index 0000000000..0a83e15493
--- /dev/null
+++ b/usr/src/uts/intel/lx_brand/Makefile.rules
@@ -0,0 +1,97 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+# Copyright 2015 Joyent, Inc.
+#
+#
+
+#
+#	Section 1a: C object build rules
+#
+$(OBJS_DIR_OBJ64)/%.o:		$(UTSBASE)/common/brand/lx/os/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR_DBG64)/%.o:		$(UTSBASE)/common/brand/lx/os/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR_OBJ64)/%.o:		$(UTSBASE)/common/brand/lx/syscall/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR_DBG64)/%.o:		$(UTSBASE)/common/brand/lx/syscall/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR_OBJ64)/%.o:		$(UTSBASE)/intel/brand/lx/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR_DBG64)/%.o:		$(UTSBASE)/intel/brand/lx/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR_OBJ64)/%.o:		$(UTSBASE)/intel/brand/lx/%.s
+	$(COMPILE.s) -I$(UTSBASE)/i86pc -o $@ $<
+
+$(OBJS_DIR_OBJ64)/%.o:		$(LX_CMN)/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR_DBG64)/%.o:		$(UTSBASE)/intel/brand/lx/%.s
+	$(COMPILE.s) -I$(UTSBASE)/i86pc -o $@ $<
+
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/brand/lx/os/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/brand/lx/syscall/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR)/%.o:		$(UTSBASE)/intel/brand/lx/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR)/%.o:		$(LX_CMN)/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(OBJS_DIR)/%.o:		$(UTSBASE)/intel/brand/lx/%.s
+	$(COMPILE.s) -I$(UTSBASE)/i86pc -o $@ $<
+
+#
+#	Section 1b: Lint `object' build rules.
+#
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/brand/lx/os/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/brand/lx/syscall/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
+$(LINTS_DIR)/%.ln:		$(LX_CMN)/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
+
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/intel/brand/lx/%.s
+	@($(LHEAD) $(LINT.s) $< $(LTAIL))
diff --git a/usr/src/uts/intel/lx_netlink/Makefile b/usr/src/uts/intel/lx_netlink/Makefile
new file mode 100644
index 0000000000..2ada8e28a6
--- /dev/null
+++ b/usr/src/uts/intel/lx_netlink/Makefile
@@ -0,0 +1,77 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= lx_netlink
+OBJECTS		= $(LX_NETLINK_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(LX_NETLINK_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(ROOT_SOCK_DIR)/$(MODULE)
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+LINTTAGS	+= -erroff=E_BAD_PTR_CAST_ALIGN
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+CPPFLAGS	+= -I$(UTSBASE)/common/brand/lx
+LDFLAGS		+= -dy -Ndrv/ip -Nfs/sockfs -Nbrand/lx_brand
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
+
+$(OBJS_DIR)/%.o:	$(UTSBASE)/common/brand/lx/io/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(LINTS_DIR)/%.ln:	$(UTSBASE)/common/brand/lx/io/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
diff --git a/usr/src/uts/intel/lx_proc/Makefile b/usr/src/uts/intel/lx_proc/Makefile
new file mode 100644
index 0000000000..980c60bff2
--- /dev/null
+++ b/usr/src/uts/intel/lx_proc/Makefile
@@ -0,0 +1,116 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# uts/intel/lx_proc/Makefile
+#
+# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# Copyright 2015 Joyent, Inc.
+#
+#	This makefile drives the production of the lxproc file system
+#	kernel module.
+#
+#	i86 architecture dependent
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Path to where brand common sources live
+#
+LX_CMN		= $(SRC)/common/brand/lx
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= lx_proc
+OBJECTS		= $(LX_PROC_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(LX_PROC_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(USR_FS_DIR)/$(MODULE)
+
+INC_PATH	+= -I$(UTSBASE)/common/brand/lx -I$(LX_CMN)
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+#
+#	Overrides.
+#
+CFLAGS		+= $(CCVERBOSE)
+
+#
+#	Depends on procfs and lx_brand
+#
+LDFLAGS		+= -dy -Nfs/procfs -Nbrand/lx_brand -Ndrv/inotify -Ndrv/ip
+LDFLAGS		+= -Nfs/sockfs
+
+#
+# For now, disable these lint checks; maintainers should endeavor
+# to investigate and remove these for maximum lint coverage.
+# Please do not carry these forward to new Makefiles.
+#
+LINTTAGS	+= -erroff=E_PTRDIFF_OVERFLOW
+LINTTAGS	+= -erroff=E_ASSIGN_NARROW_CONV
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
+
+#
+#	Include brand-specific rules
+#
+
+include $(UTSBASE)/intel/lx_proc/Makefile.rules
diff --git a/usr/src/uts/intel/lx_proc/Makefile.rules b/usr/src/uts/intel/lx_proc/Makefile.rules
new file mode 100644
index 0000000000..b8592d2fdd
--- /dev/null
+++ b/usr/src/uts/intel/lx_proc/Makefile.rules
@@ -0,0 +1,38 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+#ident	"%Z%%M%	%I%	%E% SMI"
+
+#
+#	Section 1a: C object build rules
+#
+$(OBJS_DIR)/%.o:		$(UTSBASE)/common/brand/lx/procfs/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+#
+#	Section 1b: Lint `object' build rules.
+#
+$(LINTS_DIR)/%.ln:		$(UTSBASE)/common/brand/lx/procfs/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
diff --git a/usr/src/uts/intel/lx_ptm/Makefile b/usr/src/uts/intel/lx_ptm/Makefile
new file mode 100644
index 0000000000..dcead27da7
--- /dev/null
+++ b/usr/src/uts/intel/lx_ptm/Makefile
@@ -0,0 +1,91 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# uts/intel/lx_ptm/Makefile
+#
+# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+#	This makefile drives the production of the lx_ptm driver
+#
+#	intel architecture dependent
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= lx_ptm
+OBJECTS		= $(LX_PTM_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(LX_PTM_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(USR_DRV_DIR)/$(MODULE)
+CONF_SRCDIR	= $(UTSBASE)/common/brand/lx/io
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY) $(SRC_CONFILE)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE) $(ROOT_CONFFILE)
+
+CPPFLAGS	+= -I$(UTSBASE)/common/brand/lx
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
+
+$(OBJS_DIR)/%.o:	$(UTSBASE)/common/brand/lx/io/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(LINTS_DIR)/%.ln:	$(UTSBASE)/common/brand/lx/io/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
diff --git a/usr/src/uts/intel/lx_systrace/Makefile b/usr/src/uts/intel/lx_systrace/Makefile
new file mode 100644
index 0000000000..20c4a6a3a3
--- /dev/null
+++ b/usr/src/uts/intel/lx_systrace/Makefile
@@ -0,0 +1,80 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+UTSBASE	= ../..
+
+MODULE		= lx_systrace
+OBJECTS		= $(LX_SYSTRACE_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(LX_SYSTRACE_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(USR_DRV_DIR)/$(MODULE)
+ROOTLINK	= $(USR_DTRACE_DIR)/$(MODULE)
+CONF_SRCDIR	= $(UTSBASE)/common/brand/lx/dtrace
+
+include $(UTSBASE)/intel/Makefile.intel
+
+ALL_TARGET	= $(BINARY) $(SRC_CONFILE)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE) $(ROOTLINK) $(ROOT_CONFFILE)
+
+CPPFLAGS += -I$(UTSBASE)/common/brand/lx
+
+LDFLAGS         += -dy -Ndrv/dtrace -Nbrand/lx_brand
+
+#
+# For now, disable these lint checks; maintainers should endeavor
+# to investigate and remove these for maximum lint coverage.
+# Please do not carry these forward to new Makefiles.
+#
+LINTTAGS	+= -erroff=E_STATIC_UNUSED
+
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+$(ROOTLINK):	$(USR_DTRACE_DIR) $(ROOTMODULE)
+	-$(RM) $@; ln $(ROOTMODULE) $@
+
+include $(UTSBASE)/intel/Makefile.targ
+
+$(OBJS_DIR)/%.o:	$(UTSBASE)/common/brand/lx/dtrace/%.c
+	$(COMPILE.c) -o $@ $<
+	$(CTFCONVERT_O)
+
+$(LINTS_DIR)/%.ln:	$(UTSBASE)/common/brand/lx/dtrace/%.c
+	@($(LHEAD) $(LINT.c) $< $(LTAIL))
diff --git a/usr/src/uts/intel/lxprocfs/Makefile b/usr/src/uts/intel/lxprocfs/Makefile
new file mode 100644
index 0000000000..c6ffec0199
--- /dev/null
+++ b/usr/src/uts/intel/lxprocfs/Makefile
@@ -0,0 +1,88 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# uts/intel/lxprocfs/Makefile
+#
+# Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+#	This makefile drives the production of the lxprocfs file system
+#	kernel module.
+#
+#	intel architecture dependent
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= lxprocfs
+OBJECTS		= $(LXPROC_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(LXPROC_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(ROOT_FS_DIR)/$(MODULE)
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+#
+# Depends on procfs
+#
+LDFLAGS		+= -dy -Nfs/procfs
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/nfp/Makefile b/usr/src/uts/intel/nfp/Makefile
new file mode 100644
index 0000000000..3acbc6a725
--- /dev/null
+++ b/usr/src/uts/intel/nfp/Makefile
@@ -0,0 +1,82 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014, Joyent, Inc
+#
+
+#
+# uts/intel/nfp/Makefile
+#
+#	This makefile drives the production of the nfp
+#	driver kernel module.
+#
+#	intel architecture dependent
+#
+
+#
+#	Paths to the base of the uts directory trees
+#
+UTSBASE = ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= nfp
+OBJECTS		= $(NFP_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(NFP_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(ROOT_DRV_DIR)/$(MODULE)
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+#
+# 	Driver-specific flags
+#
+CPPFLAGS	+= -DCH_KERNELVER=270
+LDFLAGS		+= -dy
+CERRWARN	+= -_gcc=-Wno-unused-variable
+CERRWARN	+= -_gcc=-Wno-unused-function
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/opteron_pcbe/Makefile b/usr/src/uts/intel/opteron_pcbe/Makefile
index aea8e89fbe..7431f50329 100644
--- a/usr/src/uts/intel/opteron_pcbe/Makefile
+++ b/usr/src/uts/intel/opteron_pcbe/Makefile
@@ -34,7 +34,7 @@ UTSBASE = ../..
 MODULE		= pcbe.AuthenticAMD
 OBJECTS		= $(OPTERON_PCBE_OBJS:%=$(OBJS_DIR)/%)
 LINTS		= $(OPTERON_PCBE_OBJS:%.o=$(LINTS_DIR)/%.ln)
-ROOTMODULE	= $(USR_PCBE_DIR)/$(MODULE)
+ROOTMODULE	= $(ROOT_PSM_PCBE_DIR)/$(MODULE)
 
 #
 #	Include common rules.
diff --git a/usr/src/uts/intel/os/driver_aliases b/usr/src/uts/intel/os/driver_aliases
index 3116819932..1cea287121 100644
--- a/usr/src/uts/intel/os/driver_aliases
+++ b/usr/src/uts/intel/os/driver_aliases
@@ -1 +1,2 @@
 asy "pci11c1,480"
+vmxnet "pci15ad,720"
diff --git a/usr/src/uts/intel/os/name_to_major b/usr/src/uts/intel/os/name_to_major
index c5ad4c9bf0..1fb86f9a50 100644
--- a/usr/src/uts/intel/os/name_to_major
+++ b/usr/src/uts/intel/os/name_to_major
@@ -2,3 +2,4 @@ md 85
 devinfo 88
 asy 106
 did 239
+vmxnet 270
diff --git a/usr/src/uts/intel/overlay/Makefile b/usr/src/uts/intel/overlay/Makefile
new file mode 100644
index 0000000000..645b888cbc
--- /dev/null
+++ b/usr/src/uts/intel/overlay/Makefile
@@ -0,0 +1,54 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+UTSBASE = ../..
+
+MODULE          = overlay
+OBJECTS         = $(OVERLAY_OBJS:%=$(OBJS_DIR)/%)
+LINTS           = $(OVERLAY_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE      = $(ROOT_DRV_DIR)/$(MODULE)
+
+include $(UTSBASE)/intel/Makefile.intel
+
+ALL_TARGET      = $(BINARY) $(SRC_CONFFILE)
+LINT_TARGET     = $(MODULE).lint
+INSTALL_TARGET  = $(BINARY) $(ROOTMODULE) $(ROOT_CONFFILE)
+CONF_SRCDIR	= $(UTSBASE)/common/io/overlay
+MAPFILE		= $(UTSBASE)/common/io/overlay/overlay.mapfile
+
+LDFLAGS += -dy -Nmisc/mac -Ndrv/dld -Nmisc/dls -Nmisc/ksocket
+
+LINTTAGS	+= -erroff=E_BAD_PTR_CAST_ALIGN
+
+
+.KEEP_STATE:
+
+def:            $(DEF_DEPS)
+
+all:            $(ALL_DEPS)
+
+clean:          $(CLEAN_DEPS)
+
+clobber:        $(CLOBBER_DEPS)
+
+lint:           $(LINT_DEPS)
+
+modlintlib:     $(MODLINTLIB_DEPS)
+
+clean.lint:     $(CLEAN_LINT_DEPS)
+
+install:        $(INSTALL_DEPS)
+
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/p123_pcbe/Makefile b/usr/src/uts/intel/p123_pcbe/Makefile
index 71b7d9bcec..d591d52e62 100644
--- a/usr/src/uts/intel/p123_pcbe/Makefile
+++ b/usr/src/uts/intel/p123_pcbe/Makefile
@@ -35,8 +35,8 @@ UTSBASE = ../..
 MODULE		= pcbe.GenuineIntel.6
 OBJECTS		= $(P123_PCBE_OBJS:%=$(OBJS_DIR)/%)
 LINTS		= $(P123_PCBE_OBJS:%.o=$(LINTS_DIR)/%.ln)
-ROOTMODULE	= $(USR_PCBE_DIR)/$(MODULE)
-ROOTLINK	= $(USR_PCBE_DIR)/pcbe.GenuineIntel.5
+ROOTMODULE	= $(ROOT_PSM_PCBE_DIR)/$(MODULE)
+ROOTLINK	= $(ROOT_PSM_PCBE_DIR)/pcbe.GenuineIntel.5
 
 #
 #	Include common rules.
diff --git a/usr/src/uts/intel/p4_pcbe/Makefile b/usr/src/uts/intel/p4_pcbe/Makefile
index 07689646c1..42dc040eee 100644
--- a/usr/src/uts/intel/p4_pcbe/Makefile
+++ b/usr/src/uts/intel/p4_pcbe/Makefile
@@ -35,7 +35,7 @@ UTSBASE = ../..
 MODULE		= pcbe.GenuineIntel.15
 OBJECTS		= $(P4_PCBE_OBJS:%=$(OBJS_DIR)/%)
 LINTS		= $(P4_PCBE_OBJS:%.o=$(LINTS_DIR)/%.ln)
-ROOTMODULE	= $(USR_PCBE_DIR)/$(MODULE)
+ROOTMODULE	= $(ROOT_PSM_PCBE_DIR)/$(MODULE)
 
 #
 #	Include common rules.
diff --git a/usr/src/uts/intel/promif/prom_emul.c b/usr/src/uts/intel/promif/prom_emul.c
index 5497d9eab8..cdf190ec6a 100644
--- a/usr/src/uts/intel/promif/prom_emul.c
+++ b/usr/src/uts/intel/promif/prom_emul.c
@@ -24,7 +24,9 @@
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*
+ * Copyright (c) 2015 Joyent, Inc.  All rights reserved.
+ */
 
 #include <sys/promif.h>
 #include <sys/promimpl.h>
@@ -46,7 +48,7 @@ promif_create_prop(prom_node_t *pnp, char *name, void *val, int len, int flags)
 	q = kmem_zalloc(sizeof (*q), KM_SLEEP);
 	q->pp_name = kmem_zalloc(strlen(name) + 1, KM_SLEEP);
 	(void) strcpy(q->pp_name, name);
-	q->pp_val = kmem_alloc(len, KM_SLEEP);
+	q->pp_val = len > 0 ? kmem_alloc(len, KM_SLEEP) : NULL;
 	q->pp_len = len;
 	switch (flags) {
 	case DDI_PROP_TYPE_INT:
diff --git a/usr/src/uts/intel/sngl_brand/Makefile b/usr/src/uts/intel/sngl_brand/Makefile
new file mode 100644
index 0000000000..cec2141e89
--- /dev/null
+++ b/usr/src/uts/intel/sngl_brand/Makefile
@@ -0,0 +1,98 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2012, Joyent, Inc. All rights reserved.
+#
+#	This makefile drives the production of the kernel component of
+#	the SNGL brand
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE =	../..
+SNGL_BASE =	$(UTSBASE)/common/brand/sngl
+
+#
+#	Define the module and object file sets.
+#
+MODULE =	sngl_brand
+OBJECTS =	$(SNGL_BRAND_OBJS:%=$(OBJS_DIR)/%)
+LINTS =		$(SNGL_BRAND_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE =	$(USR_BRAND_DIR)/$(MODULE)
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+#
+#	Define targets
+#
+ALL_TARGET =		$(BINARY)
+LINT_TARGET =		$(MODULE).lint
+INSTALL_TARGET =	$(BINARY) $(ROOTMODULE)
+
+
+#
+#	Update compiler variables.
+#
+INC_PATH +=	-I$(SNGL_BASE) -I$(OBJS_DIR)
+AS_INC_PATH	+= -I$(UTSBASE)/i86pc/genassym/$(OBJS_DIR)
+LDFLAGS +=	-dy -Nexec/elfexec
+
+#
+# Ugh, this is a gross hack.  sngl_brand_asm.s uses lots of defines
+# to simplify variable access.  All these defines work fine for amd64
+# compiles because when compiling for amd64 we use the GNU assembler,
+# gas.  For 32-bit code we use the Sun assembler, as.  Unfortunatly
+# as does not handle certian constructs that gas does.  So rather than
+# make our code less readable, we'll just use gas to compile our 32-bit
+# code as well.
+#
+i386_AS		= $(amd64_AS)
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/sys/acpi/acapps.h b/usr/src/uts/intel/sys/acpi/acapps.h
index 2d3f84186e..0382ca8547 100644
--- a/usr/src/uts/intel/sys/acpi/acapps.h
+++ b/usr/src/uts/intel/sys/acpi/acapps.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -52,7 +52,7 @@
 /* Common info for tool signons */
 
 #define ACPICA_NAME                 "Intel ACPI Component Architecture"
-#define ACPICA_COPYRIGHT            "Copyright (c) 2000 - 2011 Intel Corporation"
+#define ACPICA_COPYRIGHT            "Copyright (c) 2000 - 2012 Intel Corporation"
 
 #if ACPI_MACHINE_WIDTH == 64
 #define ACPI_WIDTH          "-64"
@@ -81,6 +81,15 @@
     Prefix, ACPICA_COPYRIGHT, \
     Prefix
 
+/* Macros for usage messages */
+
+#define ACPI_USAGE_HEADER(Usage) \
+    printf ("Usage: %s\nOptions:\n", Usage);
+
+#define ACPI_OPTION(Name, Description) \
+    printf ("  %-18s%s\n", Name, Description);
+
+
 #define FILE_SUFFIX_DISASSEMBLY     "dsl"
 #define ACPI_TABLE_FILE_SUFFIX      ".dat"
 
diff --git a/usr/src/uts/intel/sys/acpi/accommon.h b/usr/src/uts/intel/sys/acpi/accommon.h
index 58bb83ddb6..7e6d05aa8d 100644
--- a/usr/src/uts/intel/sys/acpi/accommon.h
+++ b/usr/src/uts/intel/sys/acpi/accommon.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/sys/acpi/acconfig.h b/usr/src/uts/intel/sys/acpi/acconfig.h
index 7a2107aa76..7880516e47 100644
--- a/usr/src/uts/intel/sys/acpi/acconfig.h
+++ b/usr/src/uts/intel/sys/acpi/acconfig.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -86,6 +86,23 @@
  */
 #define ACPI_CHECKSUM_ABORT             FALSE
 
+/*
+ * Generate a version of ACPICA that only supports "reduced hardware"
+ * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized
+ * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware"
+ * model. In other words, no ACPI hardware is supported.
+ *
+ * If TRUE, this means no support for the following:
+ *      PM Event and Control registers
+ *      SCI interrupt (and handler)
+ *      Fixed Events
+ *      General Purpose Events (GPEs)
+ *      Global Lock
+ *      ACPI PM timer
+ *      FACS table (Waking vectors and Global Lock)
+ */
+#define ACPI_REDUCED_HARDWARE           FALSE
+
 
 /******************************************************************************
  *
@@ -95,7 +112,7 @@
 
 /* Version of ACPI supported */
 
-#define ACPI_CA_SUPPORT_LEVEL           3
+#define ACPI_CA_SUPPORT_LEVEL           5
 
 /* Maximum count for a semaphore object */
 
@@ -123,7 +140,11 @@
 
 /* Maximum sleep allowed via Sleep() operator */
 
-#define ACPI_MAX_SLEEP                  20000   /* Two seconds */
+#define ACPI_MAX_SLEEP                  2000    /* 2000 millisec == two seconds */
+
+/* Address Range lists are per-SpaceId (Memory and I/O only) */
+
+#define ACPI_ADDRESS_RANGE_MAX          2
 
 
 /******************************************************************************
@@ -183,9 +204,10 @@
 #define ACPI_RSDP_CHECKSUM_LENGTH       20
 #define ACPI_RSDP_XCHECKSUM_LENGTH      36
 
-/* SMBus and IPMI bidirectional buffer size */
+/* SMBus, GSBus and IPMI bidirectional buffer size */
 
 #define ACPI_SMBUS_BUFFER_SIZE          34
+#define ACPI_GSBUS_BUFFER_SIZE          34
 #define ACPI_IPMI_BUFFER_SIZE           66
 
 /* _SxD and _SxW control methods */
diff --git a/usr/src/uts/intel/sys/acpi/acdebug.h b/usr/src/uts/intel/sys/acpi/acdebug.h
index 2c1fe73429..bcc505c8d5 100644
--- a/usr/src/uts/intel/sys/acpi/acdebug.h
+++ b/usr/src/uts/intel/sys/acpi/acdebug.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -107,6 +107,10 @@ AcpiDbDisplayTableInfo (
     char                    *TableArg);
 
 void
+AcpiDbDisplayTemplate (
+    char                    *BufferArg);
+
+void
 AcpiDbUnloadAcpiTable (
     char                    *TableArg,
     char                    *InstanceArg);
@@ -133,18 +137,20 @@ void
 AcpiDbDisplayResources (
     char                    *ObjectArg);
 
+ACPI_HW_DEPENDENT_RETURN_VOID (
 void
 AcpiDbDisplayGpes (
-    void);
+    void))
 
 void
 AcpiDbDisplayHandlers (
     void);
 
+ACPI_HW_DEPENDENT_RETURN_VOID (
 void
 AcpiDbGenerateGpe (
     char                    *GpeArg,
-    char                    *BlockArg);
+    char                    *BlockArg))
 
 
 /*
diff --git a/usr/src/uts/intel/sys/acpi/acdisasm.h b/usr/src/uts/intel/sys/acpi/acdisasm.h
index aaaac11d86..9ec12713b4 100644
--- a/usr/src/uts/intel/sys/acpi/acdisasm.h
+++ b/usr/src/uts/intel/sys/acpi/acdisasm.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -63,7 +63,7 @@
 typedef const struct acpi_dmtable_info
 {
     UINT8                       Opcode;
-    UINT8                       Offset;
+    UINT16                      Offset;
     char                        *Name;
     UINT8                       Flags;
 
@@ -80,57 +80,82 @@ typedef const struct acpi_dmtable_info
 
 /*
  * Values for Opcode above.
- * Note: 0-7 must not change, used as a flag shift value
+ * Note: 0-7 must not change, they are used as a flag shift value. Other
+ * than those, new values can be added wherever appropriate.
  */
-#define ACPI_DMT_FLAG0                  0
-#define ACPI_DMT_FLAG1                  1
-#define ACPI_DMT_FLAG2                  2
-#define ACPI_DMT_FLAG3                  3
-#define ACPI_DMT_FLAG4                  4
-#define ACPI_DMT_FLAG5                  5
-#define ACPI_DMT_FLAG6                  6
-#define ACPI_DMT_FLAG7                  7
-#define ACPI_DMT_FLAGS0                 8
-#define ACPI_DMT_FLAGS2                 9
-#define ACPI_DMT_UINT8                  10
-#define ACPI_DMT_UINT16                 11
-#define ACPI_DMT_UINT24                 12
-#define ACPI_DMT_UINT32                 13
-#define ACPI_DMT_UINT56                 14
-#define ACPI_DMT_UINT64                 15
-#define ACPI_DMT_STRING                 16
-#define ACPI_DMT_NAME4                  17
-#define ACPI_DMT_NAME6                  18
-#define ACPI_DMT_NAME8                  19
-#define ACPI_DMT_CHKSUM                 20
-#define ACPI_DMT_SPACEID                21
-#define ACPI_DMT_GAS                    22
-#define ACPI_DMT_ASF                    23
-#define ACPI_DMT_DMAR                   24
-#define ACPI_DMT_HEST                   25
-#define ACPI_DMT_HESTNTFY               26
-#define ACPI_DMT_HESTNTYP               27
-#define ACPI_DMT_MADT                   28
-#define ACPI_DMT_SRAT                   29
-#define ACPI_DMT_EXIT                   30
-#define ACPI_DMT_SIG                    31
-#define ACPI_DMT_FADTPM                 32
-#define ACPI_DMT_BUF16                  33
-#define ACPI_DMT_IVRS                   34
-#define ACPI_DMT_BUFFER                 35
-#define ACPI_DMT_PCI_PATH               36
-#define ACPI_DMT_EINJACT                37
-#define ACPI_DMT_EINJINST               38
-#define ACPI_DMT_ERSTACT                39
-#define ACPI_DMT_ERSTINST               40
-#define ACPI_DMT_ACCWIDTH               41
-#define ACPI_DMT_UNICODE                42
-#define ACPI_DMT_UUID                   43
-#define ACPI_DMT_DEVICE_PATH            44
-#define ACPI_DMT_LABEL                  45
-#define ACPI_DMT_BUF7                   46
-#define ACPI_DMT_BUF128                 47
-#define ACPI_DMT_SLIC                   48
+typedef enum
+{
+    /* Simple Data Types */
+
+    ACPI_DMT_FLAG0          = 0,
+    ACPI_DMT_FLAG1          = 1,
+    ACPI_DMT_FLAG2          = 2,
+    ACPI_DMT_FLAG3          = 3,
+    ACPI_DMT_FLAG4          = 4,
+    ACPI_DMT_FLAG5          = 5,
+    ACPI_DMT_FLAG6          = 6,
+    ACPI_DMT_FLAG7          = 7,
+    ACPI_DMT_FLAGS0,
+    ACPI_DMT_FLAGS1,
+    ACPI_DMT_FLAGS2,
+    ACPI_DMT_FLAGS4,
+    ACPI_DMT_UINT8,
+    ACPI_DMT_UINT16,
+    ACPI_DMT_UINT24,
+    ACPI_DMT_UINT32,
+    ACPI_DMT_UINT40,
+    ACPI_DMT_UINT48,
+    ACPI_DMT_UINT56,
+    ACPI_DMT_UINT64,
+    ACPI_DMT_BUF7,
+    ACPI_DMT_BUF16,
+    ACPI_DMT_BUF128,
+    ACPI_DMT_SIG,
+    ACPI_DMT_STRING,
+    ACPI_DMT_NAME4,
+    ACPI_DMT_NAME6,
+    ACPI_DMT_NAME8,
+
+    /* Types that are decoded to strings and miscellaneous */
+
+    ACPI_DMT_ACCWIDTH,
+    ACPI_DMT_CHKSUM,
+    ACPI_DMT_GAS,
+    ACPI_DMT_SPACEID,
+    ACPI_DMT_UNICODE,
+    ACPI_DMT_UUID,
+
+    /* Types used only for the Data Table Compiler */
+
+    ACPI_DMT_BUFFER,
+    ACPI_DMT_DEVICE_PATH,
+    ACPI_DMT_LABEL,
+    ACPI_DMT_PCI_PATH,
+
+    /* Types that are specific to particular ACPI tables */
+
+    ACPI_DMT_ASF,
+    ACPI_DMT_DMAR,
+    ACPI_DMT_EINJACT,
+    ACPI_DMT_EINJINST,
+    ACPI_DMT_ERSTACT,
+    ACPI_DMT_ERSTINST,
+    ACPI_DMT_FADTPM,
+    ACPI_DMT_HEST,
+    ACPI_DMT_HESTNTFY,
+    ACPI_DMT_HESTNTYP,
+    ACPI_DMT_IVRS,
+    ACPI_DMT_MADT,
+    ACPI_DMT_PMTT,
+    ACPI_DMT_SLIC,
+    ACPI_DMT_SRAT,
+
+    /* Special opcodes */
+
+    ACPI_DMT_EXTRA_TEXT,
+    ACPI_DMT_EXIT
+
+} ACPI_ENTRY_TYPES;
 
 typedef
 void (*ACPI_DMTABLE_HANDLER) (
@@ -175,6 +200,11 @@ ACPI_STATUS (*ASL_WALK_CALLBACK) (
 #define ASL_WALK_CALLBACK_DEFINED
 #endif
 
+typedef
+void (*ACPI_RESOURCE_HANDLER) (
+    AML_RESOURCE            *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
 
 typedef struct acpi_resource_tag
 {
@@ -202,6 +232,7 @@ extern ACPI_DMTABLE_INFO        AcpiDmTableInfoAsf4[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoAsfHdr[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoBoot[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoBert[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoBgrt[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoCpep[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoCpep0[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoDbgp[];
@@ -212,6 +243,7 @@ extern ACPI_DMTABLE_INFO        AcpiDmTableInfoDmar0[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoDmar1[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoDmar2[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoDmar3[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoDrtm[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoEcdt[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoEinj[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoEinj0[];
@@ -221,7 +253,13 @@ extern ACPI_DMTABLE_INFO        AcpiDmTableInfoFacs[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoFadt1[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoFadt2[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoFadt3[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoFadt5[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoFpdt[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoFpdtHdr[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoFpdt0[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoFpdt1[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoGas[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoGtdt[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoHeader[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoHest[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoHest0[];
@@ -254,14 +292,34 @@ extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMadt7[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMadt8[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMadt9[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMadt10[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMadt11[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMadt12[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMadtHdr[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMcfg[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMcfg0[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMchi[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMpst[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMpst0[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMpst0A[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMpst0B[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMpst1[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMpst2[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMsct[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoMsct0[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoPmtt[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoPmtt0[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoPmtt1[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoPmtt1a[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoPmtt2[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoPmttHdr[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoPcct[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoPcct0[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoRsdp1[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoRsdp2[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoS3pt[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoS3ptHdr[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoS3pt0[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoS3pt1[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoSbst[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoSlicHdr[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoSlic0[];
@@ -354,6 +412,10 @@ AcpiDmDumpFadt (
     ACPI_TABLE_HEADER       *Table);
 
 void
+AcpiDmDumpFpdt (
+    ACPI_TABLE_HEADER       *Table);
+
+void
 AcpiDmDumpHest (
     ACPI_TABLE_HEADER       *Table);
 
@@ -362,17 +424,29 @@ AcpiDmDumpIvrs (
     ACPI_TABLE_HEADER       *Table);
 
 void
+AcpiDmDumpMadt (
+    ACPI_TABLE_HEADER       *Table);
+
+void
 AcpiDmDumpMcfg (
     ACPI_TABLE_HEADER       *Table);
 
 void
-AcpiDmDumpMadt (
+AcpiDmDumpMpst (
     ACPI_TABLE_HEADER       *Table);
 
 void
 AcpiDmDumpMsct (
     ACPI_TABLE_HEADER       *Table);
 
+void
+AcpiDmDumpPcct (
+    ACPI_TABLE_HEADER       *Table);
+
+void
+AcpiDmDumpPmtt (
+    ACPI_TABLE_HEADER       *Table);
+
 UINT32
 AcpiDmDumpRsdp (
     ACPI_TABLE_HEADER       *Table);
@@ -381,6 +455,10 @@ void
 AcpiDmDumpRsdt (
     ACPI_TABLE_HEADER       *Table);
 
+UINT32
+AcpiDmDumpS3pt (
+    ACPI_TABLE_HEADER       *Table);
+
 void
 AcpiDmDumpSlic (
     ACPI_TABLE_HEADER       *Table);
@@ -671,6 +749,18 @@ AcpiDmVendorLargeDescriptor (
     UINT32                  Level);
 
 void
+AcpiDmGpioDescriptor (
+    AML_RESOURCE            *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
+AcpiDmSerialBusDescriptor (
+    AML_RESOURCE            *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
 AcpiDmVendorCommon (
     char                    *Name,
     UINT8                   *ByteData,
@@ -694,6 +784,12 @@ AcpiDmDmaDescriptor (
     UINT32                  Level);
 
 void
+AcpiDmFixedDmaDescriptor (
+    AML_RESOURCE            *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
 AcpiDmIoDescriptor (
     AML_RESOURCE            *Resource,
     UINT32                  Length,
diff --git a/usr/src/uts/intel/sys/acpi/acdispat.h b/usr/src/uts/intel/sys/acpi/acdispat.h
index ae8dd93154..0699ee77a1 100644
--- a/usr/src/uts/intel/sys/acpi/acdispat.h
+++ b/usr/src/uts/intel/sys/acpi/acdispat.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/sys/acpi/acevents.h b/usr/src/uts/intel/sys/acpi/acevents.h
index 8681ed5f38..3b874f1075 100644
--- a/usr/src/uts/intel/sys/acpi/acevents.h
+++ b/usr/src/uts/intel/sys/acpi/acevents.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -85,13 +85,15 @@ ACPI_STATUS
 AcpiEvInitGlobalLockHandler (
     void);
 
+ACPI_HW_DEPENDENT_RETURN_OK (
 ACPI_STATUS
 AcpiEvAcquireGlobalLock(
-    UINT16                  Timeout);
+    UINT16                  Timeout))
 
+ACPI_HW_DEPENDENT_RETURN_OK (
 ACPI_STATUS
 AcpiEvReleaseGlobalLock(
-    void);
+    void))
 
 ACPI_STATUS
 AcpiEvRemoveGlobalLockHandler (
@@ -154,9 +156,10 @@ AcpiEvInitializeGpeBlock (
     ACPI_GPE_BLOCK_INFO     *GpeBlock,
     void                    *Context);
 
+ACPI_HW_DEPENDENT_RETURN_OK (
 ACPI_STATUS
 AcpiEvDeleteGpeBlock (
-    ACPI_GPE_BLOCK_INFO     *GpeBlock);
+    ACPI_GPE_BLOCK_INFO     *GpeBlock))
 
 UINT32
 AcpiEvGpeDispatch (
@@ -171,9 +174,10 @@ ACPI_STATUS
 AcpiEvGpeInitialize (
     void);
 
+ACPI_HW_DEPENDENT_RETURN_VOID (
 void
 AcpiEvUpdateGpes (
-    ACPI_OWNER_ID           TableOwnerId);
+    ACPI_OWNER_ID           TableOwnerId))
 
 ACPI_STATUS
 AcpiEvMatchGpeMethod (
@@ -228,7 +232,8 @@ AcpiEvInitializeOpRegions (
 
 ACPI_STATUS
 AcpiEvAddressSpaceDispatch (
-    ACPI_OPERAND_OBJECT    *RegionObj,
+    ACPI_OPERAND_OBJECT     *RegionObj,
+    ACPI_OPERAND_OBJECT     *FieldObj,
     UINT32                  Function,
     UINT32                  RegionOffset,
     UINT32                  BitWidth,
@@ -334,9 +339,9 @@ UINT32
 AcpiEvInitializeSCI (
     UINT32                  ProgramSCI);
 
+ACPI_HW_DEPENDENT_RETURN_VOID (
 void
 AcpiEvTerminate (
-    void);
-
+    void))
 
 #endif  /* __ACEVENTS_H__  */
diff --git a/usr/src/uts/intel/sys/acpi/acexcep.h b/usr/src/uts/intel/sys/acpi/acexcep.h
index 7d426d0f26..10f5a113da 100644
--- a/usr/src/uts/intel/sys/acpi/acexcep.h
+++ b/usr/src/uts/intel/sys/acpi/acexcep.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -92,8 +92,9 @@
 #define AE_SAME_HANDLER                 (ACPI_STATUS) (0x0019 | AE_CODE_ENVIRONMENTAL)
 #define AE_NO_HANDLER                   (ACPI_STATUS) (0x001A | AE_CODE_ENVIRONMENTAL)
 #define AE_OWNER_ID_LIMIT               (ACPI_STATUS) (0x001B | AE_CODE_ENVIRONMENTAL)
+#define AE_NOT_CONFIGURED               (ACPI_STATUS) (0x001C | AE_CODE_ENVIRONMENTAL)
 
-#define AE_CODE_ENV_MAX                 0x001B
+#define AE_CODE_ENV_MAX                 0x001C
 
 
 /*
@@ -222,7 +223,8 @@ char const   *AcpiGbl_ExceptionNames_Env[] =
     "AE_ABORT_METHOD",
     "AE_SAME_HANDLER",
     "AE_NO_HANDLER",
-    "AE_OWNER_ID_LIMIT"
+    "AE_OWNER_ID_LIMIT",
+    "AE_NOT_CONFIGURED"
 };
 
 char const   *AcpiGbl_ExceptionNames_Pgm[] =
diff --git a/usr/src/uts/intel/sys/acpi/acglobal.h b/usr/src/uts/intel/sys/acpi/acglobal.h
index ebbae0f595..79e53d07e2 100644
--- a/usr/src/uts/intel/sys/acpi/acglobal.h
+++ b/usr/src/uts/intel/sys/acpi/acglobal.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -128,6 +128,12 @@ UINT8       ACPI_INIT_GLOBAL (AcpiGbl_CopyDsdtLocally, FALSE);
  */
 UINT8       ACPI_INIT_GLOBAL (AcpiGbl_TruncateIoAddresses, FALSE);
 
+/*
+ * Disable runtime checking and repair of values returned by control methods.
+ * Use only if the repair is causing a problem on a particular machine.
+ */
+UINT8       ACPI_INIT_GLOBAL (AcpiGbl_DisableAutoRepair, FALSE);
+
 
 /* AcpiGbl_FADT is a local copy of the FADT, converted to a common format. */
 
@@ -137,7 +143,18 @@ UINT32                      AcpiGbl_TraceFlags;
 ACPI_NAME                   AcpiGbl_TraceMethodName;
 BOOLEAN                     AcpiGbl_SystemAwakeAndRunning;
 
-#endif
+/*
+ * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
+ * that the ACPI hardware is no longer required. A flag in the FADT indicates
+ * a reduced HW machine, and that flag is duplicated here for convenience.
+ */
+BOOLEAN                     AcpiGbl_ReducedHardware;
+
+#endif /* DEFINE_ACPI_GLOBALS */
+
+/* Do not disassemble buffers to resource descriptors */
+
+ACPI_EXTERN UINT8       ACPI_INIT_GLOBAL (AcpiGbl_NoResourceDisassembly, FALSE);
 
 /*****************************************************************************
  *
@@ -150,8 +167,12 @@ BOOLEAN                     AcpiGbl_SystemAwakeAndRunning;
  * found in the RSDT/XSDT.
  */
 ACPI_EXTERN ACPI_TABLE_LIST             AcpiGbl_RootTableList;
+
+#if (!ACPI_REDUCED_HARDWARE)
 ACPI_EXTERN ACPI_TABLE_FACS            *AcpiGbl_FACS;
 
+#endif /* !ACPI_REDUCED_HARDWARE */
+
 /* These addresses are calculated from the FADT Event Block addresses */
 
 ACPI_EXTERN ACPI_GENERIC_ADDRESS        AcpiGbl_XPm1aStatus;
@@ -177,7 +198,7 @@ ACPI_EXTERN UINT8                       AcpiGbl_IntegerNybbleWidth;
 
 /*****************************************************************************
  *
- * Mutual exlusion within ACPICA subsystem
+ * Mutual exclusion within ACPICA subsystem
  *
  ****************************************************************************/
 
@@ -233,8 +254,7 @@ ACPI_EXTERN ACPI_CACHE_T               *AcpiGbl_OperandCache;
 
 /* Global handlers */
 
-ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER  AcpiGbl_DeviceNotify;
-ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER  AcpiGbl_SystemNotify;
+ACPI_EXTERN ACPI_GLOBAL_NOTIFY_HANDLER  AcpiGbl_GlobalNotify[2];
 ACPI_EXTERN ACPI_EXCEPTION_HANDLER      AcpiGbl_ExceptionHandler;
 ACPI_EXTERN ACPI_INIT_HANDLER           AcpiGbl_InitHandler;
 ACPI_EXTERN ACPI_TABLE_HANDLER          AcpiGbl_TableHandler;
@@ -265,6 +285,7 @@ ACPI_EXTERN BOOLEAN                     AcpiGbl_AcpiHardwarePresent;
 ACPI_EXTERN BOOLEAN                     AcpiGbl_EventsInitialized;
 ACPI_EXTERN UINT8                       AcpiGbl_OsiData;
 ACPI_EXTERN ACPI_INTERFACE_INFO        *AcpiGbl_SupportedInterfaces;
+ACPI_EXTERN ACPI_ADDRESS_RANGE         *AcpiGbl_AddressRangeList[ACPI_ADDRESS_RANGE_MAX];
 
 
 #ifndef DEFINE_ACPI_GLOBALS
@@ -362,6 +383,8 @@ ACPI_EXTERN UINT8                       AcpiGbl_SleepTypeB;
  *
  ****************************************************************************/
 
+#if (!ACPI_REDUCED_HARDWARE)
+
 ACPI_EXTERN UINT8                       AcpiGbl_AllGpesInitialized;
 ACPI_EXTERN ACPI_GPE_XRUPT_INFO        *AcpiGbl_GpeXruptListHead;
 ACPI_EXTERN ACPI_GPE_BLOCK_INFO        *AcpiGbl_GpeFadtBlocks[ACPI_MAX_GPE_BLOCKS];
@@ -370,6 +393,7 @@ ACPI_EXTERN void                       *AcpiGbl_GlobalEventHandlerContext;
 ACPI_EXTERN ACPI_FIXED_EVENT_HANDLER    AcpiGbl_FixedEventHandlers[ACPI_NUM_FIXED_EVENTS];
 extern      ACPI_FIXED_EVENT_INFO       AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS];
 
+#endif /* !ACPI_REDUCED_HARDWARE */
 
 /*****************************************************************************
  *
diff --git a/usr/src/uts/intel/sys/acpi/achware.h b/usr/src/uts/intel/sys/acpi/achware.h
index ae4a77a9f2..f607d1702a 100644
--- a/usr/src/uts/intel/sys/acpi/achware.h
+++ b/usr/src/uts/intel/sys/acpi/achware.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -110,6 +110,49 @@ AcpiHwClearAcpiStatus (
 
 
 /*
+ * hwsleep - sleep/wake support (Legacy sleep registers)
+ */
+ACPI_STATUS
+AcpiHwLegacySleep (
+    UINT8                   SleepState,
+    UINT8                   Flags);
+
+ACPI_STATUS
+AcpiHwLegacyWakePrep (
+    UINT8                   SleepState,
+    UINT8                   Flags);
+
+ACPI_STATUS
+AcpiHwLegacyWake (
+    UINT8                   SleepState,
+    UINT8                   Flags);
+
+
+/*
+ * hwesleep - sleep/wake support (Extended FADT-V5 sleep registers)
+ */
+void
+AcpiHwExecuteSleepMethod (
+    char                    *MethodName,
+    UINT32                  IntegerArgument);
+
+ACPI_STATUS
+AcpiHwExtendedSleep (
+    UINT8                   SleepState,
+    UINT8                   Flags);
+
+ACPI_STATUS
+AcpiHwExtendedWakePrep (
+    UINT8                   SleepState,
+    UINT8                   Flags);
+
+ACPI_STATUS
+AcpiHwExtendedWake (
+    UINT8                   SleepState,
+    UINT8                   Flags);
+
+
+/*
  * hwvalid - Port I/O with validation
  */
 ACPI_STATUS
@@ -188,22 +231,4 @@ AcpiHwDerivePciId (
     ACPI_HANDLE             PciRegion);
 
 
-/*
- * hwtimer - ACPI Timer prototypes
- */
-ACPI_STATUS
-AcpiGetTimerResolution (
-    UINT32                  *Resolution);
-
-ACPI_STATUS
-AcpiGetTimer (
-    UINT32                  *Ticks);
-
-ACPI_STATUS
-AcpiGetTimerDuration (
-    UINT32                  StartTicks,
-    UINT32                  EndTicks,
-    UINT32                  *TimeElapsed);
-
-
 #endif /* __ACHWARE_H__ */
diff --git a/usr/src/uts/intel/sys/acpi/acinterp.h b/usr/src/uts/intel/sys/acpi/acinterp.h
index 8ac828c59c..45e9814f79 100644
--- a/usr/src/uts/intel/sys/acpi/acinterp.h
+++ b/usr/src/uts/intel/sys/acpi/acinterp.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -642,6 +642,10 @@ AcpiExIntegerToString (
     char                    *Dest,
     UINT64                  Value);
 
+BOOLEAN
+AcpiIsValidSpaceId (
+    UINT8                   SpaceId);
+
 
 /*
  * exregion - default OpRegion handlers
diff --git a/usr/src/uts/intel/sys/acpi/aclocal.h b/usr/src/uts/intel/sys/acpi/aclocal.h
index 2eb6fc21d4..68ea95b7c8 100644
--- a/usr/src/uts/intel/sys/acpi/aclocal.h
+++ b/usr/src/uts/intel/sys/acpi/aclocal.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -54,7 +54,7 @@ typedef UINT32                          ACPI_MUTEX_HANDLE;
 
 /* Total number of aml opcodes defined */
 
-#define AML_NUM_OPCODES                 0x7F
+#define AML_NUM_OPCODES                 0x81
 
 
 /* Forward declarations */
@@ -213,7 +213,6 @@ typedef struct acpi_namespace_node
 #define ANOBJ_IS_EXTERNAL               0x08    /* iASL only: This object created via External() */
 #define ANOBJ_METHOD_NO_RETVAL          0x10    /* iASL only: Method has no return value */
 #define ANOBJ_METHOD_SOME_NO_RETVAL     0x20    /* iASL only: Method has at least one return value */
-#define ANOBJ_IS_BIT_OFFSET             0x40    /* iASL only: Reference is a bit offset */
 #define ANOBJ_IS_REFERENCED             0x80    /* iASL only: Object was referenced */
 
 
@@ -286,12 +285,16 @@ typedef struct acpi_create_field_info
     ACPI_NAMESPACE_NODE             *FieldNode;
     ACPI_NAMESPACE_NODE             *RegisterNode;
     ACPI_NAMESPACE_NODE             *DataRegisterNode;
+    ACPI_NAMESPACE_NODE             *ConnectionNode;
+    UINT8                           *ResourceBuffer;
     UINT32                          BankValue;
     UINT32                          FieldBitPosition;
     UINT32                          FieldBitLength;
+    UINT16                          ResourceLength;
     UINT8                           FieldFlags;
     UINT8                           Attribute;
     UINT8                           FieldType;
+    UINT8                           AccessLength;
 
 } ACPI_CREATE_FIELD_INFO;
 
@@ -359,7 +362,8 @@ typedef struct acpi_name_info
 
 /*
  * Used for ACPI_PTYPE1_FIXED, ACPI_PTYPE1_VAR, ACPI_PTYPE2,
- * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT
+ * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT,
+ * ACPI_PTYPE2_FIX_VAR
  */
 typedef struct acpi_package_info
 {
@@ -411,6 +415,7 @@ typedef struct acpi_predefined_data
     char                        *Pathname;
     const ACPI_PREDEFINED_INFO  *Predefined;
     union acpi_operand_object   *ParentPackage;
+    ACPI_NAMESPACE_NODE         *Node;
     UINT32                      Flags;
     UINT8                       NodeFlags;
 
@@ -419,6 +424,7 @@ typedef struct acpi_predefined_data
 /* Defines for Flags field above */
 
 #define ACPI_OBJECT_REPAIRED    1
+#define ACPI_OBJECT_WRAPPED     2
 
 
 /*
@@ -710,6 +716,15 @@ ACPI_STATUS (*ACPI_PARSE_UPWARDS) (
     struct acpi_walk_state          *WalkState);
 
 
+/* Global handlers for AML Notifies */
+
+typedef struct acpi_global_notify_handler
+{
+    ACPI_NOTIFY_HANDLER             Handler;
+    void                            *Context;
+
+} ACPI_GLOBAL_NOTIFY_HANDLER;
+
 /*
  * Notify info - used to pass info to the deferred notify
  * handler/dispatcher.
@@ -717,8 +732,10 @@ ACPI_STATUS (*ACPI_PARSE_UPWARDS) (
 typedef struct acpi_notify_info
 {
     ACPI_STATE_COMMON
+    UINT8                           HandlerListId;
     ACPI_NAMESPACE_NODE             *Node;
-    union acpi_operand_object       *HandlerObj;
+    union acpi_operand_object       *HandlerListHead;
+    ACPI_GLOBAL_NOTIFY_HANDLER      *Global;
 
 } ACPI_NOTIFY_INFO;
 
@@ -750,6 +767,17 @@ typedef
 ACPI_STATUS (*ACPI_EXECUTE_OP) (
     struct acpi_walk_state          *WalkState);
 
+/* Address Range info block */
+
+typedef struct acpi_address_range
+{
+    struct acpi_address_range   *Next;
+    ACPI_NAMESPACE_NODE         *RegionNode;
+    ACPI_PHYSICAL_ADDRESS       StartAddress;
+    ACPI_PHYSICAL_ADDRESS       EndAddress;
+
+} ACPI_ADDRESS_RANGE;
+
 
 /*****************************************************************************
  *
@@ -774,6 +802,17 @@ typedef struct acpi_opcode_info
 
 } ACPI_OPCODE_INFO;
 
+/* Structure for Resource Tag information */
+
+typedef struct acpi_tag_info
+{
+    UINT32                          BitOffset;
+    UINT32                          BitLength;
+
+} ACPI_TAG_INFO;
+
+/* Value associated with the parse object */
+
 typedef union acpi_parse_value
 {
     UINT64                          Integer;        /* Integer constant (Up to 64 bits) */
@@ -782,6 +821,7 @@ typedef union acpi_parse_value
     UINT8                           *Buffer;        /* buffer or string */
     char                            *Name;          /* NULL terminated string */
     union acpi_parse_object         *Arg;           /* arguments and contained ops */
+    ACPI_TAG_INFO                   Tag;            /* Resource descriptor tag info  */
 
 } ACPI_PARSE_VALUE;
 
@@ -1112,7 +1152,7 @@ typedef struct acpi_port_info
 #define ACPI_RESOURCE_NAME_END_DEPENDENT        0x38
 #define ACPI_RESOURCE_NAME_IO                   0x40
 #define ACPI_RESOURCE_NAME_FIXED_IO             0x48
-#define ACPI_RESOURCE_NAME_RESERVED_S1          0x50
+#define ACPI_RESOURCE_NAME_FIXED_DMA            0x50
 #define ACPI_RESOURCE_NAME_RESERVED_S2          0x58
 #define ACPI_RESOURCE_NAME_RESERVED_S3          0x60
 #define ACPI_RESOURCE_NAME_RESERVED_S4          0x68
@@ -1134,7 +1174,9 @@ typedef struct acpi_port_info
 #define ACPI_RESOURCE_NAME_EXTENDED_IRQ         0x89
 #define ACPI_RESOURCE_NAME_ADDRESS64            0x8A
 #define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64   0x8B
-#define ACPI_RESOURCE_NAME_LARGE_MAX            0x8B
+#define ACPI_RESOURCE_NAME_GPIO                 0x8C
+#define ACPI_RESOURCE_NAME_SERIAL_BUS           0x8E
+#define ACPI_RESOURCE_NAME_LARGE_MAX            0x8E
 
 
 /*****************************************************************************
diff --git a/usr/src/uts/intel/sys/acpi/acmacros.h b/usr/src/uts/intel/sys/acpi/acmacros.h
index 6581d111c9..cdb9cb109e 100644
--- a/usr/src/uts/intel/sys/acpi/acmacros.h
+++ b/usr/src/uts/intel/sys/acpi/acmacros.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -428,7 +428,6 @@
 
 #endif /* ACPI_SIMPLE_RETURN_MACROS */
 
-
 /* Conditional execution */
 
 #define ACPI_DEBUG_EXEC(a)              a
@@ -477,6 +476,14 @@
 
 #endif /* ACPI_DEBUG_OUTPUT */
 
+
+#if (!ACPI_REDUCED_HARDWARE)
+#define ACPI_HW_OPTIONAL_FUNCTION(addr)     addr
+#else
+#define ACPI_HW_OPTIONAL_FUNCTION(addr)     NULL
+#endif
+
+
 /*
  * Some code only gets executed when the debugger is built in.
  * Note that this is entirely independent of whether the
diff --git a/usr/src/uts/intel/sys/acpi/acnames.h b/usr/src/uts/intel/sys/acpi/acnames.h
index e08302dd30..4c5fab696f 100644
--- a/usr/src/uts/intel/sys/acpi/acnames.h
+++ b/usr/src/uts/intel/sys/acpi/acnames.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -46,6 +46,7 @@
 
 /* Method names - these methods can appear anywhere in the namespace */
 
+#define METHOD_NAME__SB_        "_SB_"
 #define METHOD_NAME__HID        "_HID"
 #define METHOD_NAME__CID        "_CID"
 #define METHOD_NAME__UID        "_UID"
@@ -58,16 +59,17 @@
 #define METHOD_NAME__PRT        "_PRT"
 #define METHOD_NAME__CRS        "_CRS"
 #define METHOD_NAME__PRS        "_PRS"
+#define METHOD_NAME__AEI        "_AEI"
 #define METHOD_NAME__PRW        "_PRW"
 #define METHOD_NAME__SRS        "_SRS"
 
 /* Method names - these methods must appear at the namespace root */
 
-#define METHOD_NAME__BFS        "\\_BFS"
-#define METHOD_NAME__GTS        "\\_GTS"
-#define METHOD_NAME__PTS        "\\_PTS"
-#define METHOD_NAME__SST        "\\_SI._SST"
-#define METHOD_NAME__WAK        "\\_WAK"
+#define METHOD_PATHNAME__BFS    "\\_BFS"
+#define METHOD_PATHNAME__GTS    "\\_GTS"
+#define METHOD_PATHNAME__PTS    "\\_PTS"
+#define METHOD_PATHNAME__SST    "\\_SI._SST"
+#define METHOD_PATHNAME__WAK    "\\_WAK"
 
 /* Definitions of the predefined namespace names  */
 
@@ -78,7 +80,6 @@
 #define ACPI_PREFIX_LOWER       (UINT32) 0x69706361     /* "acpi" */
 
 #define ACPI_NS_ROOT_PATH       "\\"
-#define ACPI_NS_SYSTEM_BUS      "_SB_"
 
 #endif  /* __ACNAMES_H__  */
 
diff --git a/usr/src/uts/intel/sys/acpi/acnamesp.h b/usr/src/uts/intel/sys/acpi/acnamesp.h
index 77f65d0ae4..4a91108eae 100644
--- a/usr/src/uts/intel/sys/acpi/acnamesp.h
+++ b/usr/src/uts/intel/sys/acpi/acnamesp.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -368,8 +368,9 @@ AcpiNsRepairObject (
     ACPI_OPERAND_OBJECT     **ReturnObjectPtr);
 
 ACPI_STATUS
-AcpiNsRepairPackageList (
+AcpiNsWrapWithPackage (
     ACPI_PREDEFINED_DATA    *Data,
+    ACPI_OPERAND_OBJECT     *OriginalObject,
     ACPI_OPERAND_OBJECT     **ObjDescPtr);
 
 ACPI_STATUS
diff --git a/usr/src/uts/intel/sys/acpi/acobject.h b/usr/src/uts/intel/sys/acpi/acobject.h
index 27a21e6858..f2f8a1cfb1 100644
--- a/usr/src/uts/intel/sys/acpi/acobject.h
+++ b/usr/src/uts/intel/sys/acpi/acobject.h
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -246,8 +246,7 @@ typedef struct acpi_object_method
  * Common fields for objects that support ASL notifications
  */
 #define ACPI_COMMON_NOTIFY_INFO \
-    union acpi_operand_object       *SystemNotify;      /* Handler for system notifies */\
-    union acpi_operand_object       *DeviceNotify;      /* Handler for driver notifies */\
+    union acpi_operand_object       *NotifyList[2];     /* Handlers for system/device notifies */\
     union acpi_operand_object       *Handler;           /* Handler for Address space */
 
 
@@ -320,6 +319,7 @@ typedef struct acpi_object_thermal_zone
     UINT32                          BaseByteOffset;     /* Byte offset within containing object */\
     UINT32                          Value;              /* Value to store into the Bank or Index register */\
     UINT8                           StartFieldBitOffset;/* Bit offset within first field datum (0-63) */\
+    UINT8                           AccessLength;       /* For serial regions/fields */
 
 
 typedef struct acpi_object_field_common                 /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */
@@ -335,7 +335,9 @@ typedef struct acpi_object_region_field
 {
     ACPI_OBJECT_COMMON_HEADER
     ACPI_COMMON_FIELD_INFO
+    UINT16                          ResourceLength;
     union acpi_operand_object       *RegionObj;         /* Containing OpRegion object */
+    UINT8                           *ResourceBuffer;    /* ResourceTemplate for serial regions/fields */
 
 } ACPI_OBJECT_REGION_FIELD;
 
@@ -386,8 +388,10 @@ typedef struct acpi_object_notify_handler
 {
     ACPI_OBJECT_COMMON_HEADER
     ACPI_NAMESPACE_NODE             *Node;              /* Parent device */
-    ACPI_NOTIFY_HANDLER             Handler;
+    UINT32                          HandlerType;        /* Type: Device/System/Both */
+    ACPI_NOTIFY_HANDLER             Handler;            /* Handler addess */
     void                            *Context;
+    union acpi_operand_object       *Next[2];           /* Device and System handler lists */
 
 } ACPI_OBJECT_NOTIFY_HANDLER;
 
@@ -463,6 +467,7 @@ typedef struct acpi_object_extra
 {
     ACPI_OBJECT_COMMON_HEADER
     ACPI_NAMESPACE_NODE             *Method_REG;        /* _REG method for this region (if any) */
+    ACPI_NAMESPACE_NODE             *ScopeNode;
     void                            *RegionContext;     /* Region-specific data */
     UINT8                           *AmlStart;
     UINT32                          AmlLength;
diff --git a/usr/src/uts/intel/sys/acpi/acopcode.h b/usr/src/uts/intel/sys/acpi/acopcode.h
index d8e1c75a7b..e182a07e61 100644
--- a/usr/src/uts/intel/sys/acpi/acopcode.h
+++ b/usr/src/uts/intel/sys/acpi/acopcode.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -94,6 +94,7 @@
 #define ARGP_CONCAT_OP                  ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
 #define ARGP_CONCAT_RES_OP              ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
 #define ARGP_COND_REF_OF_OP             ARGP_LIST2 (ARGP_SUPERNAME,  ARGP_SUPERNAME)
+#define ARGP_CONNECTFIELD_OP            ARGP_LIST1 (ARGP_NAMESTRING)
 #define ARGP_CONTINUE_OP                ARG_NONE
 #define ARGP_COPY_OP                    ARGP_LIST2 (ARGP_TERMARG,    ARGP_SIMPLENAME)
 #define ARGP_CREATE_BIT_FIELD_OP        ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_NAME)
@@ -165,6 +166,7 @@
 #define ARGP_RETURN_OP                  ARGP_LIST1 (ARGP_TERMARG)
 #define ARGP_REVISION_OP                ARG_NONE
 #define ARGP_SCOPE_OP                   ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_NAME,          ARGP_TERMLIST)
+#define ARGP_SERIALFIELD_OP             ARGP_LIST1 (ARGP_NAMESTRING)
 #define ARGP_SHIFT_LEFT_OP              ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
 #define ARGP_SHIFT_RIGHT_OP             ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
 #define ARGP_SIGNAL_OP                  ARGP_LIST1 (ARGP_SUPERNAME)
@@ -225,6 +227,7 @@
 #define ARGI_CONCAT_OP                  ARGI_LIST3 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA,   ARGI_TARGETREF)
 #define ARGI_CONCAT_RES_OP              ARGI_LIST3 (ARGI_BUFFER,     ARGI_BUFFER,        ARGI_TARGETREF)
 #define ARGI_COND_REF_OF_OP             ARGI_LIST2 (ARGI_OBJECT_REF, ARGI_TARGETREF)
+#define ARGI_CONNECTFIELD_OP            ARGI_INVALID_OPCODE
 #define ARGI_CONTINUE_OP                ARGI_INVALID_OPCODE
 #define ARGI_COPY_OP                    ARGI_LIST2 (ARGI_ANYTYPE,    ARGI_SIMPLE_TARGET)
 #define ARGI_CREATE_BIT_FIELD_OP        ARGI_LIST3 (ARGI_BUFFER,     ARGI_INTEGER,       ARGI_REFERENCE)
@@ -296,6 +299,7 @@
 #define ARGI_RETURN_OP                  ARGI_INVALID_OPCODE
 #define ARGI_REVISION_OP                ARG_NONE
 #define ARGI_SCOPE_OP                   ARGI_INVALID_OPCODE
+#define ARGI_SERIALFIELD_OP             ARGI_INVALID_OPCODE
 #define ARGI_SHIFT_LEFT_OP              ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
 #define ARGI_SHIFT_RIGHT_OP             ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
 #define ARGI_SIGNAL_OP                  ARGI_LIST1 (ARGI_EVENT)
diff --git a/usr/src/uts/intel/sys/acpi/acoutput.h b/usr/src/uts/intel/sys/acpi/acoutput.h
index c8007e21fb..a1d89d408c 100644
--- a/usr/src/uts/intel/sys/acpi/acoutput.h
+++ b/usr/src/uts/intel/sys/acpi/acoutput.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -72,6 +72,7 @@
 #define ACPI_EXAMPLE                0x00004000
 #define ACPI_DRIVER                 0x00008000
 #define DT_COMPILER                 0x00010000
+#define ASL_PREPROCESSOR            0x00020000
 
 #define ACPI_ALL_COMPONENTS         0x0001FFFF
 #define ACPI_COMPONENT_DEFAULT      (ACPI_ALL_COMPONENTS)
diff --git a/usr/src/uts/intel/sys/acpi/acparser.h b/usr/src/uts/intel/sys/acpi/acparser.h
index 83b3c4fc06..f46d3cbc2c 100644
--- a/usr/src/uts/intel/sys/acpi/acparser.h
+++ b/usr/src/uts/intel/sys/acpi/acparser.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/sys/acpi/acpi.h b/usr/src/uts/intel/sys/acpi/acpi.h
index 0f4f607120..aa40219112 100644
--- a/usr/src/uts/intel/sys/acpi/acpi.h
+++ b/usr/src/uts/intel/sys/acpi/acpi.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/sys/acpi/acpiosxf.h b/usr/src/uts/intel/sys/acpi/acpiosxf.h
index 85b0ff6108..b79d0e6ade 100644
--- a/usr/src/uts/intel/sys/acpi/acpiosxf.h
+++ b/usr/src/uts/intel/sys/acpi/acpiosxf.h
@@ -9,7 +9,7 @@
 
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -112,6 +112,12 @@ AcpiOsTableOverride (
     ACPI_TABLE_HEADER       *ExistingTable,
     ACPI_TABLE_HEADER       **NewTable);
 
+ACPI_STATUS
+AcpiOsPhysicalTableOverride (
+    ACPI_TABLE_HEADER       *ExistingTable,
+    ACPI_PHYSICAL_ADDRESS   *NewAddress,
+    UINT32                  *NewTableLength);
+
 
 /*
  * Spinlock primitives
@@ -302,13 +308,13 @@ AcpiOsWritePort (
 ACPI_STATUS
 AcpiOsReadMemory (
     ACPI_PHYSICAL_ADDRESS   Address,
-    UINT32                  *Value,
+    UINT64                  *Value,
     UINT32                  Width);
 
 ACPI_STATUS
 AcpiOsWriteMemory (
     ACPI_PHYSICAL_ADDRESS   Address,
-    UINT32                  Value,
+    UINT64                  Value,
     UINT32                  Width);
 
 
diff --git a/usr/src/uts/intel/sys/acpi/acpixf.h b/usr/src/uts/intel/sys/acpi/acpixf.h
index 82b677e615..7478c78940 100644
--- a/usr/src/uts/intel/sys/acpi/acpixf.h
+++ b/usr/src/uts/intel/sys/acpi/acpixf.h
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -48,8 +48,9 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20110527
+#define ACPI_CA_VERSION                 0x20120420
 
+#include "acconfig.h"
 #include "actypes.h"
 #include "actbl.h"
 
@@ -59,6 +60,7 @@
 extern UINT32               AcpiCurrentGpeCount;
 extern ACPI_TABLE_FADT      AcpiGbl_FADT;
 extern BOOLEAN              AcpiGbl_SystemAwakeAndRunning;
+extern BOOLEAN              AcpiGbl_ReducedHardware;        /* ACPI 5.0 */
 
 /* Runtime configuration of debug print levels */
 
@@ -76,6 +78,35 @@ extern UINT32               AcpiGbl_TraceFlags;
 extern UINT8                AcpiGbl_EnableAmlDebugObject;
 extern UINT8                AcpiGbl_CopyDsdtLocally;
 extern UINT8                AcpiGbl_TruncateIoAddresses;
+extern UINT8                AcpiGbl_DisableAutoRepair;
+
+
+/*
+ * Hardware-reduced prototypes. All interfaces that use these macros will
+ * be configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
+ * is set to TRUE.
+ */
+#if (!ACPI_REDUCED_HARDWARE)
+#define ACPI_HW_DEPENDENT_RETURN_STATUS(Prototype) \
+    Prototype;
+
+#define ACPI_HW_DEPENDENT_RETURN_OK(Prototype) \
+    Prototype;
+
+#define ACPI_HW_DEPENDENT_RETURN_VOID(Prototype) \
+    Prototype;
+
+#else
+#define ACPI_HW_DEPENDENT_RETURN_STATUS(Prototype) \
+    static ACPI_INLINE Prototype {return(AE_NOT_CONFIGURED);}
+
+#define ACPI_HW_DEPENDENT_RETURN_OK(Prototype) \
+    static ACPI_INLINE Prototype {return(AE_OK);}
+
+#define ACPI_HW_DEPENDENT_RETURN_VOID(Prototype) \
+    static ACPI_INLINE Prototype {}
+
+#endif /* !ACPI_REDUCED_HARDWARE */
 
 
 /*
@@ -107,13 +138,15 @@ AcpiTerminate (
 /*
  * Miscellaneous global interfaces
  */
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiEnable (
-    void);
+    void))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiDisable (
-    void);
+    void))
 
 ACPI_STATUS
 AcpiSubsystemStatus (
@@ -143,6 +176,13 @@ ACPI_STATUS
 AcpiRemoveInterface (
     ACPI_STRING             InterfaceName);
 
+UINT32
+AcpiCheckAddressRange (
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    ACPI_SIZE               Length,
+    BOOLEAN                 Warn);
+
 
 /*
  * ACPI Memory management
@@ -312,35 +352,40 @@ AcpiInstallInitializationHandler (
     ACPI_INIT_HANDLER       Handler,
     UINT32                  Function);
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiInstallGlobalEventHandler (
     ACPI_GBL_EVENT_HANDLER  Handler,
-    void                    *Context);
+    void                    *Context))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiInstallFixedEventHandler (
     UINT32                  AcpiEvent,
     ACPI_EVENT_HANDLER      Handler,
-    void                    *Context);
+    void                    *Context))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiRemoveFixedEventHandler (
     UINT32                  AcpiEvent,
-    ACPI_EVENT_HANDLER      Handler);
+    ACPI_EVENT_HANDLER      Handler))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiInstallGpeHandler (
     ACPI_HANDLE             GpeDevice,
     UINT32                  GpeNumber,
     UINT32                  Type,
     ACPI_GPE_HANDLER        Address,
-    void                    *Context);
+    void                    *Context))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiRemoveGpeHandler (
     ACPI_HANDLE             GpeDevice,
     UINT32                  GpeNumber,
-    ACPI_GPE_HANDLER        Address);
+    ACPI_GPE_HANDLER        Address))
 
 ACPI_STATUS
 AcpiInstallNotifyHandler (
@@ -381,113 +426,148 @@ AcpiInstallInterfaceHandler (
 /*
  * Global Lock interfaces
  */
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiAcquireGlobalLock (
     UINT16                  Timeout,
-    UINT32                  *Handle);
+    UINT32                  *Handle))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiReleaseGlobalLock (
-    UINT32                  Handle);
+    UINT32                  Handle))
+
+
+/*
+ * Interfaces to AML mutex objects
+ */
+ACPI_STATUS
+AcpiAcquireMutex (
+    ACPI_HANDLE             Handle,
+    ACPI_STRING             Pathname,
+    UINT16                  Timeout);
+
+ACPI_STATUS
+AcpiReleaseMutex (
+    ACPI_HANDLE             Handle,
+    ACPI_STRING             Pathname);
 
 
 /*
  * Fixed Event interfaces
  */
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiEnableEvent (
     UINT32                  Event,
-    UINT32                  Flags);
+    UINT32                  Flags))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiDisableEvent (
     UINT32                  Event,
-    UINT32                  Flags);
+    UINT32                  Flags))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiClearEvent (
-    UINT32                  Event);
+    UINT32                  Event))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiGetEventStatus (
     UINT32                  Event,
-    ACPI_EVENT_STATUS       *EventStatus);
+    ACPI_EVENT_STATUS       *EventStatus))
 
 
 /*
  * General Purpose Event (GPE) Interfaces
  */
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiUpdateAllGpes (
-    void);
+    void))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiEnableGpe (
     ACPI_HANDLE             GpeDevice,
-    UINT32                  GpeNumber);
+    UINT32                  GpeNumber))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiDisableGpe (
     ACPI_HANDLE             GpeDevice,
-    UINT32                  GpeNumber);
+    UINT32                  GpeNumber))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiClearGpe (
     ACPI_HANDLE             GpeDevice,
-    UINT32                  GpeNumber);
+    UINT32                  GpeNumber))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiSetGpe (
     ACPI_HANDLE             GpeDevice,
     UINT32                  GpeNumber,
-    UINT8                   Action);
+    UINT8                   Action))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiFinishGpe (
     ACPI_HANDLE             GpeDevice,
-    UINT32                  GpeNumber);
+    UINT32                  GpeNumber))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiSetupGpeForWake (
     ACPI_HANDLE             ParentDevice,
     ACPI_HANDLE             GpeDevice,
-    UINT32                  GpeNumber);
+    UINT32                  GpeNumber))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiSetGpeWakeMask (
     ACPI_HANDLE             GpeDevice,
     UINT32                  GpeNumber,
-    UINT8                   Action);
+    UINT8                   Action))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiGetGpeStatus (
     ACPI_HANDLE             GpeDevice,
     UINT32                  GpeNumber,
-    ACPI_EVENT_STATUS       *EventStatus);
+    ACPI_EVENT_STATUS       *EventStatus))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiDisableAllGpes (
-    void);
+    void))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiEnableAllRuntimeGpes (
-    void);
+    void))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiGetGpeDevice (
     UINT32                  GpeIndex,
-    ACPI_HANDLE             *GpeDevice);
+    ACPI_HANDLE             *GpeDevice))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiInstallGpeBlock (
     ACPI_HANDLE             GpeDevice,
     ACPI_GENERIC_ADDRESS    *GpeBlockAddress,
     UINT32                  RegisterCount,
-    UINT32                  InterruptNumber);
+    UINT32                  InterruptNumber))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiRemoveGpeBlock (
-    ACPI_HANDLE             GpeDevice);
+    ACPI_HANDLE             GpeDevice))
 
 
 /*
@@ -516,6 +596,11 @@ AcpiGetPossibleResources (
     ACPI_BUFFER             *RetBuffer);
 
 ACPI_STATUS
+AcpiGetEventResources (
+    ACPI_HANDLE             DeviceHandle,
+    ACPI_BUFFER             *RetBuffer);
+
+ACPI_STATUS
 AcpiWalkResources (
     ACPI_HANDLE                 Device,
     char                        *Name,
@@ -537,6 +622,12 @@ AcpiResourceToAddress64 (
     ACPI_RESOURCE           *Resource,
     ACPI_RESOURCE_ADDRESS64 *Out);
 
+ACPI_STATUS
+AcpiBufferToResource (
+    UINT8                   *AmlBuffer,
+    UINT16                  AmlBufferLength,
+    ACPI_RESOURCE           **ResourcePtr);
+
 
 /*
  * Hardware (ACPI device) interfaces
@@ -555,16 +646,22 @@ AcpiWrite (
     UINT64                  Value,
     ACPI_GENERIC_ADDRESS    *Reg);
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiReadBitRegister (
     UINT32                  RegisterId,
-    UINT32                  *ReturnValue);
+    UINT32                  *ReturnValue))
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiWriteBitRegister (
     UINT32                  RegisterId,
-    UINT32                  Value);
+    UINT32                  Value))
 
+
+/*
+ * Sleep/Wake interfaces
+ */
 ACPI_STATUS
 AcpiGetSleepTypeData (
     UINT8                   SleepState,
@@ -577,28 +674,58 @@ AcpiEnterSleepStatePrep (
 
 ACPI_STATUS
 AcpiEnterSleepState (
-    UINT8                   SleepState);
+    UINT8                   SleepState,
+    UINT8                   Flags);
 
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiEnterSleepStateS4bios (
-    void);
+    void))
+
+ACPI_STATUS
+AcpiLeaveSleepStatePrep (
+    UINT8                   SleepState,
+    UINT8                   Flags);
 
 ACPI_STATUS
 AcpiLeaveSleepState (
-    UINT8                   SleepState)
-    ;
+    UINT8                   SleepState);
+
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiSetFirmwareWakingVector (
-    UINT32                  PhysicalAddress);
+    UINT32                  PhysicalAddress))
 
 #if ACPI_MACHINE_WIDTH == 64
+ACPI_HW_DEPENDENT_RETURN_STATUS (
 ACPI_STATUS
 AcpiSetFirmwareWakingVector64 (
-    UINT64                  PhysicalAddress);
+    UINT64                  PhysicalAddress))
 #endif
 
 
 /*
+ * ACPI Timer interfaces
+ */
+ACPI_HW_DEPENDENT_RETURN_STATUS (
+ACPI_STATUS
+AcpiGetTimerResolution (
+    UINT32                  *Resolution))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS (
+ACPI_STATUS
+AcpiGetTimer (
+    UINT32                  *Ticks))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS (
+ACPI_STATUS
+AcpiGetTimerDuration (
+    UINT32                  StartTicks,
+    UINT32                  EndTicks,
+    UINT32                  *TimeElapsed))
+
+
+/*
  * Error/Warning output
  */
 void ACPI_INTERNAL_VAR_XFACE
diff --git a/usr/src/uts/intel/sys/acpi/acpredef.h b/usr/src/uts/intel/sys/acpi/acpredef.h
index 0496767a86..c17a6d9145 100644
--- a/usr/src/uts/intel/sys/acpi/acpredef.h
+++ b/usr/src/uts/intel/sys/acpi/acpredef.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -94,6 +94,14 @@
  * ACPI_PTYPE2_REV_FIXED: Revision at start, each subpackage is Fixed-length
  *      (Used for _ART, _FPS)
  *
+ * ACPI_PTYPE2_FIX_VAR: Each subpackage consists of some fixed-length elements
+ *      followed by an optional element
+ *      object type
+ *      count
+ *      object type
+ *      count = 0 (optional)
+ *      (Used for _DLM)
+ *
  *****************************************************************************/
 
 enum AcpiReturnPackageTypes
@@ -106,7 +114,8 @@ enum AcpiReturnPackageTypes
     ACPI_PTYPE2_PKG_COUNT   = 6,
     ACPI_PTYPE2_FIXED       = 7,
     ACPI_PTYPE2_MIN         = 8,
-    ACPI_PTYPE2_REV_FIXED   = 9
+    ACPI_PTYPE2_REV_FIXED   = 9,
+    ACPI_PTYPE2_FIX_VAR     = 10
 };
 
 
@@ -159,6 +168,7 @@ static const ACPI_PREDEFINED_INFO     PredefinedNames[] =
     {{"_AC8", 0, ACPI_RTYPE_INTEGER}},
     {{"_AC9", 0, ACPI_RTYPE_INTEGER}},
     {{"_ADR", 0, ACPI_RTYPE_INTEGER}},
+    {{"_AEI", 0, ACPI_RTYPE_BUFFER}},
     {{"_AL0", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 
@@ -231,6 +241,12 @@ static const ACPI_PREDEFINED_INFO     PredefinedNames[] =
     {{"_CID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints/Strs) */
                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING, 0,0}, 0,0}},
 
+    {{"_CLS", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (3 Int) */
+                    {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3,0}, 0,0}},
+
+    {{"_CPC", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints/Bufs) */
+                    {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER | ACPI_RTYPE_BUFFER, 0,0}, 0,0}},
+
     {{"_CRS", 0, ACPI_RTYPE_BUFFER}},
     {{"_CRT", 0, ACPI_RTYPE_INTEGER}},
     {{"_CSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(n), n-1 Int) */
@@ -239,12 +255,20 @@ static const ACPI_PREDEFINED_INFO     PredefinedNames[] =
     {{"_CST", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(n), n Pkg (1 Buf/3 Int) */
                     {{{ACPI_PTYPE2_PKG_COUNT,ACPI_RTYPE_BUFFER, 1, ACPI_RTYPE_INTEGER}, 3,0}},
 
+    {{"_CWS", 1, ACPI_RTYPE_INTEGER}},
     {{"_DCK", 1, ACPI_RTYPE_INTEGER}},
     {{"_DCS", 0, ACPI_RTYPE_INTEGER}},
     {{"_DDC", 1, ACPI_RTYPE_INTEGER | ACPI_RTYPE_BUFFER}},
     {{"_DDN", 0, ACPI_RTYPE_STRING}},
+    {{"_DEP", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
+                    {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
+
     {{"_DGS", 0, ACPI_RTYPE_INTEGER}},
     {{"_DIS", 0, 0}},
+
+    {{"_DLM", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (1 Ref, 0/1 Optional Buf/Ref) */
+                    {{{ACPI_PTYPE2_FIX_VAR, ACPI_RTYPE_REFERENCE, 1, ACPI_RTYPE_REFERENCE | ACPI_RTYPE_BUFFER}, 0,0}},
+
     {{"_DMA", 0, ACPI_RTYPE_BUFFER}},
     {{"_DOD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints) */
                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
@@ -264,6 +288,8 @@ static const ACPI_PREDEFINED_INFO     PredefinedNames[] =
     {{"_EJ3", 1, 0}},
     {{"_EJ4", 1, 0}},
     {{"_EJD", 0, ACPI_RTYPE_STRING}},
+    {{"_ERR", 3, ACPI_RTYPE_INTEGER}}, /* Internal use only, used by ACPICA test suites */
+    {{"_EVT", 1, 0}},
     {{"_FDE", 0, ACPI_RTYPE_BUFFER}},
     {{"_FDI", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (16 Int) */
                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16,0}, 0,0}},
@@ -284,14 +310,17 @@ static const ACPI_PREDEFINED_INFO     PredefinedNames[] =
 
 
     {{"_GAI", 0, ACPI_RTYPE_INTEGER}},
+    {{"_GCP", 0, ACPI_RTYPE_INTEGER}},
     {{"_GHL", 0, ACPI_RTYPE_INTEGER}},
     {{"_GLK", 0, ACPI_RTYPE_INTEGER}},
     {{"_GPD", 0, ACPI_RTYPE_INTEGER}},
     {{"_GPE", 0, ACPI_RTYPE_INTEGER}}, /* _GPE method, not _GPE scope */
+    {{"_GRT", 0, ACPI_RTYPE_BUFFER}},
     {{"_GSB", 0, ACPI_RTYPE_INTEGER}},
     {{"_GTF", 0, ACPI_RTYPE_BUFFER}},
     {{"_GTM", 0, ACPI_RTYPE_BUFFER}},
     {{"_GTS", 1, 0}},
+    {{"_GWS", 1, ACPI_RTYPE_INTEGER}},
     {{"_HID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}},
     {{"_HOT", 0, ACPI_RTYPE_INTEGER}},
     {{"_HPP", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */
@@ -306,6 +335,7 @@ static const ACPI_PREDEFINED_INFO     PredefinedNames[] =
     {{"_HPX", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (var Ints) */
                     {{{ACPI_PTYPE2_MIN, ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
 
+    {{"_HRV", 0, ACPI_RTYPE_INTEGER}},
     {{"_IFT", 0, ACPI_RTYPE_INTEGER}}, /* See IPMI spec */
     {{"_INI", 0, 0}},
     {{"_IRC", 0, 0}},
@@ -363,6 +393,9 @@ static const ACPI_PREDEFINED_INFO     PredefinedNames[] =
     {{"_PR3", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 
+    {{"_PRE", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
+                    {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
+
     {{"_PRL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 
@@ -393,6 +426,7 @@ static const ACPI_PREDEFINED_INFO     PredefinedNames[] =
     {{"_PSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (5 Int) with count */
                     {{{ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER,0,0}, 0,0}},
 
+    {{"_PSE", 1, 0}},
     {{"_PSL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 
@@ -459,6 +493,7 @@ static const ACPI_PREDEFINED_INFO     PredefinedNames[] =
     {{"_SLI", 0, ACPI_RTYPE_BUFFER}},
     {{"_SPD", 1, ACPI_RTYPE_INTEGER}},
     {{"_SRS", 1, 0}},
+    {{"_SRT", 1, ACPI_RTYPE_INTEGER}},
     {{"_SRV", 0, ACPI_RTYPE_INTEGER}}, /* See IPMI spec */
     {{"_SST", 1, 0}},
     {{"_STA", 0, ACPI_RTYPE_INTEGER}},
@@ -466,6 +501,7 @@ static const ACPI_PREDEFINED_INFO     PredefinedNames[] =
     {{"_STP", 2, ACPI_RTYPE_INTEGER}},
     {{"_STR", 0, ACPI_RTYPE_BUFFER}},
     {{"_STV", 2, ACPI_RTYPE_INTEGER}},
+    {{"_SUB", 0, ACPI_RTYPE_STRING}},
     {{"_SUN", 0, ACPI_RTYPE_INTEGER}},
     {{"_SWS", 0, ACPI_RTYPE_INTEGER}},
     {{"_TC1", 0, ACPI_RTYPE_INTEGER}},
diff --git a/usr/src/uts/intel/sys/acpi/acresrc.h b/usr/src/uts/intel/sys/acpi/acresrc.h
index 00c4bb2530..c879fdc4a3 100644
--- a/usr/src/uts/intel/sys/acpi/acresrc.h
+++ b/usr/src/uts/intel/sys/acpi/acresrc.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -75,28 +75,42 @@ typedef const struct acpi_rsconvert_info
 
 /* Resource conversion opcodes */
 
-#define ACPI_RSC_INITGET                0
-#define ACPI_RSC_INITSET                1
-#define ACPI_RSC_FLAGINIT               2
-#define ACPI_RSC_1BITFLAG               3
-#define ACPI_RSC_2BITFLAG               4
-#define ACPI_RSC_COUNT                  5
-#define ACPI_RSC_COUNT16                6
-#define ACPI_RSC_LENGTH                 7
-#define ACPI_RSC_MOVE8                  8
-#define ACPI_RSC_MOVE16                 9
-#define ACPI_RSC_MOVE32                 10
-#define ACPI_RSC_MOVE64                 11
-#define ACPI_RSC_SET8                   12
-#define ACPI_RSC_DATA8                  13
-#define ACPI_RSC_ADDRESS                14
-#define ACPI_RSC_SOURCE                 15
-#define ACPI_RSC_SOURCEX                16
-#define ACPI_RSC_BITMASK                17
-#define ACPI_RSC_BITMASK16              18
-#define ACPI_RSC_EXIT_NE                19
-#define ACPI_RSC_EXIT_LE                20
-#define ACPI_RSC_EXIT_EQ                21
+typedef enum
+{
+    ACPI_RSC_INITGET        = 0,
+    ACPI_RSC_INITSET,
+    ACPI_RSC_FLAGINIT,
+    ACPI_RSC_1BITFLAG,
+    ACPI_RSC_2BITFLAG,
+    ACPI_RSC_3BITFLAG,
+    ACPI_RSC_ADDRESS,
+    ACPI_RSC_BITMASK,
+    ACPI_RSC_BITMASK16,
+    ACPI_RSC_COUNT,
+    ACPI_RSC_COUNT16,
+    ACPI_RSC_COUNT_GPIO_PIN,
+    ACPI_RSC_COUNT_GPIO_RES,
+    ACPI_RSC_COUNT_GPIO_VEN,
+    ACPI_RSC_COUNT_SERIAL_RES,
+    ACPI_RSC_COUNT_SERIAL_VEN,
+    ACPI_RSC_DATA8,
+    ACPI_RSC_EXIT_EQ,
+    ACPI_RSC_EXIT_LE,
+    ACPI_RSC_EXIT_NE,
+    ACPI_RSC_LENGTH,
+    ACPI_RSC_MOVE_GPIO_PIN,
+    ACPI_RSC_MOVE_GPIO_RES,
+    ACPI_RSC_MOVE_SERIAL_RES,
+    ACPI_RSC_MOVE_SERIAL_VEN,
+    ACPI_RSC_MOVE8,
+    ACPI_RSC_MOVE16,
+    ACPI_RSC_MOVE32,
+    ACPI_RSC_MOVE64,
+    ACPI_RSC_SET8,
+    ACPI_RSC_SOURCE,
+    ACPI_RSC_SOURCEX
+
+} ACPI_RSCONVERT_OPCODES;
 
 /* Resource Conversion sub-opcodes */
 
@@ -109,6 +123,9 @@ typedef const struct acpi_rsconvert_info
 #define AML_OFFSET(f)                   (UINT8) ACPI_OFFSET (AML_RESOURCE,f)
 
 
+/*
+ * Individual entry for the resource dump tables
+ */
 typedef const struct acpi_rsdump_info
 {
     UINT8                   Opcode;
@@ -120,20 +137,27 @@ typedef const struct acpi_rsdump_info
 
 /* Values for the Opcode field above */
 
-#define ACPI_RSD_TITLE                  0
-#define ACPI_RSD_LITERAL                1
-#define ACPI_RSD_STRING                 2
-#define ACPI_RSD_UINT8                  3
-#define ACPI_RSD_UINT16                 4
-#define ACPI_RSD_UINT32                 5
-#define ACPI_RSD_UINT64                 6
-#define ACPI_RSD_1BITFLAG               7
-#define ACPI_RSD_2BITFLAG               8
-#define ACPI_RSD_SHORTLIST              9
-#define ACPI_RSD_LONGLIST               10
-#define ACPI_RSD_DWORDLIST              11
-#define ACPI_RSD_ADDRESS                12
-#define ACPI_RSD_SOURCE                 13
+typedef enum
+{
+    ACPI_RSD_TITLE          = 0,
+    ACPI_RSD_1BITFLAG,
+    ACPI_RSD_2BITFLAG,
+    ACPI_RSD_3BITFLAG,
+    ACPI_RSD_ADDRESS,
+    ACPI_RSD_DWORDLIST,
+    ACPI_RSD_LITERAL,
+    ACPI_RSD_LONGLIST,
+    ACPI_RSD_SHORTLIST,
+    ACPI_RSD_SHORTLISTX,
+    ACPI_RSD_SOURCE,
+    ACPI_RSD_STRING,
+    ACPI_RSD_UINT8,
+    ACPI_RSD_UINT16,
+    ACPI_RSD_UINT32,
+    ACPI_RSD_UINT64,
+    ACPI_RSD_WORDLIST
+
+} ACPI_RSDUMP_OPCODES;
 
 /* restore default alignment */
 
@@ -143,13 +167,16 @@ typedef const struct acpi_rsdump_info
 /* Resource tables indexed by internal resource type */
 
 extern const UINT8              AcpiGbl_AmlResourceSizes[];
+extern const UINT8              AcpiGbl_AmlResourceSerialBusSizes[];
 extern ACPI_RSCONVERT_INFO      *AcpiGbl_SetResourceDispatch[];
 
 /* Resource tables indexed by raw AML resource descriptor type */
 
 extern const UINT8              AcpiGbl_ResourceStructSizes[];
+extern const UINT8              AcpiGbl_ResourceStructSerialBusSizes[];
 extern ACPI_RSCONVERT_INFO      *AcpiGbl_GetResourceDispatch[];
 
+extern ACPI_RSCONVERT_INFO      *AcpiGbl_ConvertResourceSerialBusDispatch[];
 
 typedef struct acpi_vendor_walk_info
 {
@@ -208,6 +235,10 @@ AcpiRsSetSrsMethodData (
     ACPI_NAMESPACE_NODE     *Node,
     ACPI_BUFFER             *RetBuffer);
 
+ACPI_STATUS
+AcpiRsGetAeiMethodData (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_BUFFER             *RetBuffer);
 
 /*
  * rscalc
@@ -348,6 +379,11 @@ extern ACPI_RSCONVERT_INFO      AcpiRsConvertAddress16[];
 extern ACPI_RSCONVERT_INFO      AcpiRsConvertExtIrq[];
 extern ACPI_RSCONVERT_INFO      AcpiRsConvertAddress64[];
 extern ACPI_RSCONVERT_INFO      AcpiRsConvertExtAddress64[];
+extern ACPI_RSCONVERT_INFO      AcpiRsConvertGpio[];
+extern ACPI_RSCONVERT_INFO      AcpiRsConvertFixedDma[];
+extern ACPI_RSCONVERT_INFO      AcpiRsConvertI2cSerialBus[];
+extern ACPI_RSCONVERT_INFO      AcpiRsConvertSpiSerialBus[];
+extern ACPI_RSCONVERT_INFO      AcpiRsConvertUartSerialBus[];
 
 /* These resources require separate get/set tables */
 
@@ -366,6 +402,7 @@ extern ACPI_RSCONVERT_INFO      AcpiRsSetVendor[];
  * rsinfo
  */
 extern ACPI_RSDUMP_INFO         *AcpiGbl_DumpResourceDispatch[];
+extern ACPI_RSDUMP_INFO         *AcpiGbl_DumpSerialBusDispatch[];
 
 /*
  * rsdump
@@ -387,6 +424,12 @@ extern ACPI_RSDUMP_INFO         AcpiRsDumpAddress64[];
 extern ACPI_RSDUMP_INFO         AcpiRsDumpExtAddress64[];
 extern ACPI_RSDUMP_INFO         AcpiRsDumpExtIrq[];
 extern ACPI_RSDUMP_INFO         AcpiRsDumpGenericReg[];
+extern ACPI_RSDUMP_INFO         AcpiRsDumpGpio[];
+extern ACPI_RSDUMP_INFO         AcpiRsDumpFixedDma[];
+extern ACPI_RSDUMP_INFO         AcpiRsDumpCommonSerialBus[];
+extern ACPI_RSDUMP_INFO         AcpiRsDumpI2cSerialBus[];
+extern ACPI_RSDUMP_INFO         AcpiRsDumpSpiSerialBus[];
+extern ACPI_RSDUMP_INFO         AcpiRsDumpUartSerialBus[];
 #endif
 
 #endif  /* __ACRESRC_H__ */
diff --git a/usr/src/uts/intel/sys/acpi/acrestyp.h b/usr/src/uts/intel/sys/acpi/acrestyp.h
index 03e7e2ce08..b927c9c58e 100644
--- a/usr/src/uts/intel/sys/acpi/acrestyp.h
+++ b/usr/src/uts/intel/sys/acpi/acrestyp.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -62,11 +62,14 @@ typedef UINT32                          ACPI_RSDESC_SIZE;  /* Max Resource Descr
 #define ACPI_WRITE_COMBINING_MEMORY     (UINT8) 0x02
 #define ACPI_PREFETCHABLE_MEMORY        (UINT8) 0x03
 
+/*! [Begin] no source code translation */
 /*
  * IO Attributes
  * The ISA IO ranges are:     n000-n0FFh,  n400-n4FFh, n800-n8FFh, nC00-nCFFh.
  * The non-ISA IO ranges are: n100-n3FFh,  n500-n7FFh, n900-nBFFh, nCD0-nFFFh.
  */
+/*! [End] no source code translation !*/
+
 #define ACPI_NON_ISA_ONLY_RANGES        (UINT8) 0x01
 #define ACPI_ISA_ONLY_RANGES            (UINT8) 0x02
 #define ACPI_ENTIRE_RANGE               (ACPI_NON_ISA_ONLY_RANGES | ACPI_ISA_ONLY_RANGES)
@@ -82,16 +85,26 @@ typedef UINT32                          ACPI_RSDESC_SIZE;  /* Max Resource Descr
 #define ACPI_DECODE_16                  (UINT8) 0x01    /* 16-bit IO address decode */
 
 /*
- * IRQ Attributes
+ * Interrupt attributes - used in multiple descriptors
  */
+
+/* Triggering */
+
 #define ACPI_LEVEL_SENSITIVE            (UINT8) 0x00
 #define ACPI_EDGE_SENSITIVE             (UINT8) 0x01
 
+/* Polarity */
+
 #define ACPI_ACTIVE_HIGH                (UINT8) 0x00
 #define ACPI_ACTIVE_LOW                 (UINT8) 0x01
+#define ACPI_ACTIVE_BOTH                (UINT8) 0x02
+
+/* Sharing */
 
 #define ACPI_EXCLUSIVE                  (UINT8) 0x00
 #define ACPI_SHARED                     (UINT8) 0x01
+#define ACPI_EXCLUSIVE_AND_WAKE         (UINT8) 0x02
+#define ACPI_SHARED_AND_WAKE            (UINT8) 0x03
 
 /*
  * DMA Attributes
@@ -128,6 +141,8 @@ typedef UINT32                          ACPI_RSDESC_SIZE;  /* Max Resource Descr
 #define ACPI_POS_DECODE                 (UINT8) 0x00
 #define ACPI_SUB_DECODE                 (UINT8) 0x01
 
+/* Producer/Consumer */
+
 #define ACPI_PRODUCER                   (UINT8) 0x00
 #define ACPI_CONSUMER                   (UINT8) 0x01
 
@@ -167,7 +182,7 @@ typedef struct acpi_resource_irq
 
 } ACPI_RESOURCE_IRQ;
 
-typedef struct ACPI_RESOURCE_DMA
+typedef struct acpi_resource_dma
 {
     UINT8                           Type;
     UINT8                           BusMaster;
@@ -209,6 +224,24 @@ typedef struct acpi_resource_fixed_io
 
 } ACPI_RESOURCE_FIXED_IO;
 
+typedef struct acpi_resource_fixed_dma
+{
+    UINT16                          RequestLines;
+    UINT16                          Channels;
+    UINT8                           Width;
+
+} ACPI_RESOURCE_FIXED_DMA;
+
+/* Values for Width field above */
+
+#define ACPI_DMA_WIDTH8                         0
+#define ACPI_DMA_WIDTH16                        1
+#define ACPI_DMA_WIDTH32                        2
+#define ACPI_DMA_WIDTH64                        3
+#define ACPI_DMA_WIDTH128                       4
+#define ACPI_DMA_WIDTH256                       5
+
+
 typedef struct acpi_resource_vendor
 {
     UINT16                          ByteLength;
@@ -385,6 +418,184 @@ typedef struct acpi_resource_generic_register
 
 } ACPI_RESOURCE_GENERIC_REGISTER;
 
+typedef struct acpi_resource_gpio
+{
+    UINT8                           RevisionId;
+    UINT8                           ConnectionType;
+    UINT8                           ProducerConsumer;   /* For values, see Producer/Consumer above */
+    UINT8                           PinConfig;
+    UINT8                           Sharable;           /* For values, see Interrupt Attributes above */
+    UINT8                           IoRestriction;
+    UINT8                           Triggering;         /* For values, see Interrupt Attributes above */
+    UINT8                           Polarity;           /* For values, see Interrupt Attributes above */
+    UINT16                          DriveStrength;
+    UINT16                          DebounceTimeout;
+    UINT16                          PinTableLength;
+    UINT16                          VendorLength;
+    ACPI_RESOURCE_SOURCE            ResourceSource;
+    UINT16                          *PinTable;
+    UINT8                           *VendorData;
+
+} ACPI_RESOURCE_GPIO;
+
+/* Values for GPIO ConnectionType field above */
+
+#define ACPI_RESOURCE_GPIO_TYPE_INT             0
+#define ACPI_RESOURCE_GPIO_TYPE_IO              1
+
+/* Values for PinConfig field above */
+
+#define ACPI_PIN_CONFIG_DEFAULT                 0
+#define ACPI_PIN_CONFIG_PULLUP                  1
+#define ACPI_PIN_CONFIG_PULLDOWN                2
+#define ACPI_PIN_CONFIG_NOPULL                  3
+
+/* Values for IoRestriction field above */
+
+#define ACPI_IO_RESTRICT_NONE                   0
+#define ACPI_IO_RESTRICT_INPUT                  1
+#define ACPI_IO_RESTRICT_OUTPUT                 2
+#define ACPI_IO_RESTRICT_NONE_PRESERVE          3
+
+
+/* Common structure for I2C, SPI, and UART serial descriptors */
+
+#define ACPI_RESOURCE_SERIAL_COMMON \
+    UINT8                           RevisionId; \
+    UINT8                           Type; \
+    UINT8                           ProducerConsumer;    /* For values, see Producer/Consumer above */\
+    UINT8                           SlaveMode; \
+    UINT8                           TypeRevisionId; \
+    UINT16                          TypeDataLength; \
+    UINT16                          VendorLength; \
+    ACPI_RESOURCE_SOURCE            ResourceSource; \
+    UINT8                           *VendorData;
+
+typedef struct acpi_resource_common_serialbus
+{
+    ACPI_RESOURCE_SERIAL_COMMON
+
+} ACPI_RESOURCE_COMMON_SERIALBUS;
+
+/* Values for the Type field above */
+
+#define ACPI_RESOURCE_SERIAL_TYPE_I2C           1
+#define ACPI_RESOURCE_SERIAL_TYPE_SPI           2
+#define ACPI_RESOURCE_SERIAL_TYPE_UART          3
+
+/* Values for SlaveMode field above */
+
+#define ACPI_CONTROLLER_INITIATED               0
+#define ACPI_DEVICE_INITIATED                   1
+
+
+typedef struct acpi_resource_i2c_serialbus
+{
+    ACPI_RESOURCE_SERIAL_COMMON
+    UINT8                           AccessMode;
+    UINT16                          SlaveAddress;
+    UINT32                          ConnectionSpeed;
+
+} ACPI_RESOURCE_I2C_SERIALBUS;
+
+/* Values for AccessMode field above */
+
+#define ACPI_I2C_7BIT_MODE                      0
+#define ACPI_I2C_10BIT_MODE                     1
+
+
+typedef struct acpi_resource_spi_serialbus
+{
+    ACPI_RESOURCE_SERIAL_COMMON
+    UINT8                           WireMode;
+    UINT8                           DevicePolarity;
+    UINT8                           DataBitLength;
+    UINT8                           ClockPhase;
+    UINT8                           ClockPolarity;
+    UINT16                          DeviceSelection;
+    UINT32                          ConnectionSpeed;
+
+} ACPI_RESOURCE_SPI_SERIALBUS;
+
+/* Values for WireMode field above */
+
+#define ACPI_SPI_4WIRE_MODE                     0
+#define ACPI_SPI_3WIRE_MODE                     1
+
+/* Values for DevicePolarity field above */
+
+#define ACPI_SPI_ACTIVE_LOW                     0
+#define ACPI_SPI_ACTIVE_HIGH                    1
+
+/* Values for ClockPhase field above */
+
+#define ACPI_SPI_FIRST_PHASE                    0
+#define ACPI_SPI_SECOND_PHASE                   1
+
+/* Values for ClockPolarity field above */
+
+#define ACPI_SPI_START_LOW                      0
+#define ACPI_SPI_START_HIGH                     1
+
+
+typedef struct acpi_resource_uart_serialbus
+{
+    ACPI_RESOURCE_SERIAL_COMMON
+    UINT8                           Endian;
+    UINT8                           DataBits;
+    UINT8                           StopBits;
+    UINT8                           FlowControl;
+    UINT8                           Parity;
+    UINT8                           LinesEnabled;
+    UINT16                          RxFifoSize;
+    UINT16                          TxFifoSize;
+    UINT32                          DefaultBaudRate;
+
+} ACPI_RESOURCE_UART_SERIALBUS;
+
+/* Values for Endian field above */
+
+#define ACPI_UART_LITTLE_ENDIAN                 0
+#define ACPI_UART_BIG_ENDIAN                    1
+
+/* Values for DataBits field above */
+
+#define ACPI_UART_5_DATA_BITS                   0
+#define ACPI_UART_6_DATA_BITS                   1
+#define ACPI_UART_7_DATA_BITS                   2
+#define ACPI_UART_8_DATA_BITS                   3
+#define ACPI_UART_9_DATA_BITS                   4
+
+/* Values for StopBits field above */
+
+#define ACPI_UART_NO_STOP_BITS                  0
+#define ACPI_UART_1_STOP_BIT                    1
+#define ACPI_UART_1P5_STOP_BITS                 2
+#define ACPI_UART_2_STOP_BITS                   3
+
+/* Values for FlowControl field above */
+
+#define ACPI_UART_FLOW_CONTROL_NONE             0
+#define ACPI_UART_FLOW_CONTROL_HW               1
+#define ACPI_UART_FLOW_CONTROL_XON_XOFF         2
+
+/* Values for Parity field above */
+
+#define ACPI_UART_PARITY_NONE                   0
+#define ACPI_UART_PARITY_EVEN                   1
+#define ACPI_UART_PARITY_ODD                    2
+#define ACPI_UART_PARITY_MARK                   3
+#define ACPI_UART_PARITY_SPACE                  4
+
+/* Values for LinesEnabled bitfield above */
+
+#define ACPI_UART_CARRIER_DETECT                (1<<2)
+#define ACPI_UART_RING_INDICATOR                (1<<3)
+#define ACPI_UART_DATA_SET_READY                (1<<4)
+#define ACPI_UART_DATA_TERMINAL_READY           (1<<5)
+#define ACPI_UART_CLEAR_TO_SEND                 (1<<6)
+#define ACPI_UART_REQUEST_TO_SEND               (1<<7)
+
 
 /* ACPI_RESOURCE_TYPEs */
 
@@ -405,7 +616,10 @@ typedef struct acpi_resource_generic_register
 #define ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64   14  /* ACPI 3.0 */
 #define ACPI_RESOURCE_TYPE_EXTENDED_IRQ         15
 #define ACPI_RESOURCE_TYPE_GENERIC_REGISTER     16
-#define ACPI_RESOURCE_TYPE_MAX                  16
+#define ACPI_RESOURCE_TYPE_GPIO                 17  /* ACPI 5.0 */
+#define ACPI_RESOURCE_TYPE_FIXED_DMA            18  /* ACPI 5.0 */
+#define ACPI_RESOURCE_TYPE_SERIAL_BUS           19  /* ACPI 5.0 */
+#define ACPI_RESOURCE_TYPE_MAX                  19
 
 /* Master union for resource descriptors */
 
@@ -416,6 +630,7 @@ typedef union acpi_resource_data
     ACPI_RESOURCE_START_DEPENDENT           StartDpf;
     ACPI_RESOURCE_IO                        Io;
     ACPI_RESOURCE_FIXED_IO                  FixedIo;
+    ACPI_RESOURCE_FIXED_DMA                 FixedDma;
     ACPI_RESOURCE_VENDOR                    Vendor;
     ACPI_RESOURCE_VENDOR_TYPED              VendorTyped;
     ACPI_RESOURCE_END_TAG                   EndTag;
@@ -428,6 +643,11 @@ typedef union acpi_resource_data
     ACPI_RESOURCE_EXTENDED_ADDRESS64        ExtAddress64;
     ACPI_RESOURCE_EXTENDED_IRQ              ExtendedIrq;
     ACPI_RESOURCE_GENERIC_REGISTER          GenericReg;
+    ACPI_RESOURCE_GPIO                      Gpio;
+    ACPI_RESOURCE_I2C_SERIALBUS             I2cSerialBus;
+    ACPI_RESOURCE_SPI_SERIALBUS             SpiSerialBus;
+    ACPI_RESOURCE_UART_SERIALBUS            UartSerialBus;
+    ACPI_RESOURCE_COMMON_SERIALBUS          CommonSerialBus;
 
     /* Common fields */
 
diff --git a/usr/src/uts/intel/sys/acpi/acstruct.h b/usr/src/uts/intel/sys/acpi/acstruct.h
index ff588f5234..b3927caa41 100644
--- a/usr/src/uts/intel/sys/acpi/acstruct.h
+++ b/usr/src/uts/intel/sys/acpi/acstruct.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/sys/acpi/actables.h b/usr/src/uts/intel/sys/acpi/actables.h
index 6aad862bc9..26a7947dc9 100644
--- a/usr/src/uts/intel/sys/acpi/actables.h
+++ b/usr/src/uts/intel/sys/acpi/actables.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -84,6 +84,11 @@ ACPI_STATUS
 AcpiTbVerifyTable (
     ACPI_TABLE_DESC         *TableDesc);
 
+ACPI_TABLE_HEADER *
+AcpiTbTableOverride (
+    ACPI_TABLE_HEADER       *TableHeader,
+    ACPI_TABLE_DESC         *TableDesc);
+
 ACPI_STATUS
 AcpiTbAddTable (
     ACPI_TABLE_DESC         *TableDesc,
diff --git a/usr/src/uts/intel/sys/acpi/actbl.h b/usr/src/uts/intel/sys/acpi/actbl.h
index e632291cd0..7da7378d14 100644
--- a/usr/src/uts/intel/sys/acpi/actbl.h
+++ b/usr/src/uts/intel/sys/acpi/actbl.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -298,6 +298,8 @@ typedef struct acpi_table_fadt
     ACPI_GENERIC_ADDRESS    XPmTimerBlock;      /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
     ACPI_GENERIC_ADDRESS    XGpe0Block;         /* 64-bit Extended General Purpose Event 0 Reg Blk address */
     ACPI_GENERIC_ADDRESS    XGpe1Block;         /* 64-bit Extended General Purpose Event 1 Reg Blk address */
+    ACPI_GENERIC_ADDRESS    SleepControl;       /* 64-bit Sleep Control register */
+    ACPI_GENERIC_ADDRESS    SleepStatus;        /* 64-bit Sleep Status register */
 
 } ACPI_TABLE_FADT;
 
@@ -309,6 +311,7 @@ typedef struct acpi_table_fadt
 #define ACPI_FADT_NO_VGA            (1<<2)      /* 02: [V4] It is not safe to probe for VGA hardware */
 #define ACPI_FADT_NO_MSI            (1<<3)      /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */
 #define ACPI_FADT_NO_ASPM           (1<<4)      /* 04: [V4] PCIe ASPM control must not be enabled */
+#define ACPI_FADT_NO_CMOS_RTC       (1<<5)      /* 05: [V5] No CMOS real-time clock present */
 
 /* Masks for FADT flags */
 
@@ -332,6 +335,8 @@ typedef struct acpi_table_fadt
 #define ACPI_FADT_REMOTE_POWER_ON   (1<<17)     /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */
 #define ACPI_FADT_APIC_CLUSTER      (1<<18)     /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */
 #define ACPI_FADT_APIC_PHYSICAL     (1<<19)     /* 19: [V4] All local xAPICs must use physical dest mode (ACPI 3.0) */
+#define ACPI_FADT_HW_REDUCED        (1<<20)     /* 20: [V5] ACPI hardware is not implemented (ACPI 5.0) */
+#define ACPI_FADT_LOW_POWER_S0      (1<<21)     /* 21: [V5] S0 power savings are equal or better than S3 (ACPI 5.0) */
 
 
 /* Values for PreferredProfile (Prefered Power Management Profiles) */
@@ -344,9 +349,18 @@ enum AcpiPreferedPmProfiles
     PM_WORKSTATION          = 3,
     PM_ENTERPRISE_SERVER    = 4,
     PM_SOHO_SERVER          = 5,
-    PM_APPLIANCE_PC         = 6
+    PM_APPLIANCE_PC         = 6,
+    PM_PERFORMANCE_SERVER   = 7,
+    PM_TABLET               = 8
 };
 
+/* Values for SleepStatus and SleepControl registers (V5 FADT) */
+
+#define ACPI_X_WAKE_STATUS          0x80
+#define ACPI_X_SLEEP_TYPE_MASK      0x1C
+#define ACPI_X_SLEEP_TYPE_POSITION  0x02
+#define ACPI_X_SLEEP_ENABLE         0x20
+
 
 /* Reset to default packing */
 
@@ -392,10 +406,11 @@ typedef struct acpi_table_desc
  */
 #include "actbl1.h"
 #include "actbl2.h"
+#include "actbl3.h"
 
 /* Macros used to generate offsets to specific table fields */
 
-#define ACPI_FADT_OFFSET(f)             (UINT8) ACPI_OFFSET (ACPI_TABLE_FADT, f)
+#define ACPI_FADT_OFFSET(f)             (UINT16) ACPI_OFFSET (ACPI_TABLE_FADT, f)
 
 /*
  * Sizes of the various flavors of FADT. We need to look closely
@@ -405,12 +420,15 @@ typedef struct acpi_table_desc
  * FADT is the bottom line as to what the version really is.
  *
  * For reference, the values below are as follows:
- *     FADT V1  size: 0x74
- *     FADT V2  size: 0x84
- *     FADT V3+ size: 0xF4
+ *     FADT V1  size: 0x074
+ *     FADT V2  size: 0x084
+ *     FADT V3  size: 0x0F4
+ *     FADT V4  size: 0x0F4
+ *     FADT V5  size: 0x10C
  */
 #define ACPI_FADT_V1_SIZE       (UINT32) (ACPI_FADT_OFFSET (Flags) + 4)
 #define ACPI_FADT_V2_SIZE       (UINT32) (ACPI_FADT_OFFSET (Reserved4[0]) + 3)
-#define ACPI_FADT_V3_SIZE       (UINT32) (sizeof (ACPI_TABLE_FADT))
+#define ACPI_FADT_V3_SIZE       (UINT32) (ACPI_FADT_OFFSET (SleepControl))
+#define ACPI_FADT_V5_SIZE       (UINT32) (sizeof (ACPI_TABLE_FADT))
 
 #endif /* __ACTBL_H__ */
diff --git a/usr/src/uts/intel/sys/acpi/actbl1.h b/usr/src/uts/intel/sys/acpi/actbl1.h
index ad6c82fc3c..824135d3dd 100644
--- a/usr/src/uts/intel/sys/acpi/actbl1.h
+++ b/usr/src/uts/intel/sys/acpi/actbl1.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -252,16 +252,17 @@ typedef struct acpi_einj_entry
 
 enum AcpiEinjActions
 {
-    ACPI_EINJ_BEGIN_OPERATION       = 0,
-    ACPI_EINJ_GET_TRIGGER_TABLE     = 1,
-    ACPI_EINJ_SET_ERROR_TYPE        = 2,
-    ACPI_EINJ_GET_ERROR_TYPE        = 3,
-    ACPI_EINJ_END_OPERATION         = 4,
-    ACPI_EINJ_EXECUTE_OPERATION     = 5,
-    ACPI_EINJ_CHECK_BUSY_STATUS     = 6,
-    ACPI_EINJ_GET_COMMAND_STATUS    = 7,
-    ACPI_EINJ_ACTION_RESERVED       = 8,     /* 8 and greater are reserved */
-    ACPI_EINJ_TRIGGER_ERROR         = 0xFF   /* Except for this value */
+    ACPI_EINJ_BEGIN_OPERATION               = 0,
+    ACPI_EINJ_GET_TRIGGER_TABLE             = 1,
+    ACPI_EINJ_SET_ERROR_TYPE                = 2,
+    ACPI_EINJ_GET_ERROR_TYPE                = 3,
+    ACPI_EINJ_END_OPERATION                 = 4,
+    ACPI_EINJ_EXECUTE_OPERATION             = 5,
+    ACPI_EINJ_CHECK_BUSY_STATUS             = 6,
+    ACPI_EINJ_GET_COMMAND_STATUS            = 7,
+    ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS   = 8,
+    ACPI_EINJ_ACTION_RESERVED               = 9,     /* 9 and greater are reserved */
+    ACPI_EINJ_TRIGGER_ERROR                 = 0xFF   /* Except for this value */
 };
 
 /* Values for Instruction field above */
@@ -273,9 +274,33 @@ enum AcpiEinjInstructions
     ACPI_EINJ_WRITE_REGISTER        = 2,
     ACPI_EINJ_WRITE_REGISTER_VALUE  = 3,
     ACPI_EINJ_NOOP                  = 4,
-    ACPI_EINJ_INSTRUCTION_RESERVED  = 5     /* 5 and greater are reserved */
+    ACPI_EINJ_FLUSH_CACHELINE       = 5,
+    ACPI_EINJ_INSTRUCTION_RESERVED  = 6     /* 6 and greater are reserved */
 };
 
+typedef struct acpi_einj_error_type_with_addr
+{
+    UINT32                  ErrorType;
+    UINT32                  VendorStructOffset;
+    UINT32                  Flags;
+    UINT32                  ApicId;
+    UINT64                  Address;
+    UINT64                  Range;
+    UINT32                  PcieId;
+
+} ACPI_EINJ_ERROR_TYPE_WITH_ADDR;
+
+typedef struct acpi_einj_vendor
+{
+    UINT32                  Length;
+    UINT32                  PcieId;
+    UINT16                  VendorId;
+    UINT16                  DeviceId;
+    UINT8                   RevisionId;
+    UINT8                   Reserved[3];
+
+} ACPI_EINJ_VENDOR;
+
 
 /* EINJ Trigger Error Action Table */
 
@@ -313,6 +338,7 @@ enum AcpiEinjCommandStatus
 #define ACPI_EINJ_PLATFORM_CORRECTABLE      (1<<9)
 #define ACPI_EINJ_PLATFORM_UNCORRECTABLE    (1<<10)
 #define ACPI_EINJ_PLATFORM_FATAL            (1<<11)
+#define ACPI_EINJ_VENDOR_DEFINED            (1<<31)
 
 
 /*******************************************************************************
@@ -731,7 +757,9 @@ enum AcpiMadtType
     ACPI_MADT_TYPE_INTERRUPT_SOURCE     = 8,
     ACPI_MADT_TYPE_LOCAL_X2APIC         = 9,
     ACPI_MADT_TYPE_LOCAL_X2APIC_NMI     = 10,
-    ACPI_MADT_TYPE_RESERVED             = 11    /* 11 and greater are reserved */
+    ACPI_MADT_TYPE_GENERIC_INTERRUPT    = 11,
+    ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR  = 12,
+    ACPI_MADT_TYPE_RESERVED             = 13    /* 13 and greater are reserved */
 };
 
 
@@ -886,11 +914,42 @@ typedef struct acpi_madt_local_x2apic_nmi
 } ACPI_MADT_LOCAL_X2APIC_NMI;
 
 
+/* 11: Generic Interrupt (ACPI 5.0) */
+
+typedef struct acpi_madt_generic_interrupt
+{
+    ACPI_SUBTABLE_HEADER    Header;
+    UINT16                  Reserved;           /* Reserved - must be zero */
+    UINT32                  GicId;
+    UINT32                  Uid;
+    UINT32                  Flags;
+    UINT32                  ParkingVersion;
+    UINT32                  PerformanceInterrupt;
+    UINT64                  ParkedAddress;
+    UINT64                  BaseAddress;
+
+} ACPI_MADT_GENERIC_INTERRUPT;
+
+
+/* 12: Generic Distributor (ACPI 5.0) */
+
+typedef struct acpi_madt_generic_distributor
+{
+    ACPI_SUBTABLE_HEADER    Header;
+    UINT16                  Reserved;           /* Reserved - must be zero */
+    UINT32                  GicId;
+    UINT64                  BaseAddress;
+    UINT32                  GlobalIrqBase;
+    UINT32                  Reserved2;          /* Reserved - must be zero */
+
+} ACPI_MADT_GENERIC_DISTRIBUTOR;
+
+
 /*
  * Common flags fields for MADT subtables
  */
 
-/* MADT Local APIC flags (LapicFlags) */
+/* MADT Local APIC flags (LapicFlags) and GIC flags */
 
 #define ACPI_MADT_ENABLED           (1)         /* 00: Processor is usable if set */
 
diff --git a/usr/src/uts/intel/sys/acpi/actbl2.h b/usr/src/uts/intel/sys/acpi/actbl2.h
index e4f01e3f6b..70c6a09a3c 100644
--- a/usr/src/uts/intel/sys/acpi/actbl2.h
+++ b/usr/src/uts/intel/sys/acpi/actbl2.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/sys/acpi/actbl3.h b/usr/src/uts/intel/sys/acpi/actbl3.h
new file mode 100644
index 0000000000..c5dd4184dd
--- /dev/null
+++ b/usr/src/uts/intel/sys/acpi/actbl3.h
@@ -0,0 +1,650 @@
+/******************************************************************************
+ *
+ * Name: actbl3.h - ACPI Table Definitions
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACTBL3_H__
+#define __ACTBL3_H__
+
+
+/*******************************************************************************
+ *
+ * Additional ACPI Tables (3)
+ *
+ * These tables are not consumed directly by the ACPICA subsystem, but are
+ * included here to support device drivers and the AML disassembler.
+ *
+ * The tables in this file are fully defined within the ACPI specification.
+ *
+ ******************************************************************************/
+
+
+/*
+ * Values for description table header signatures for tables defined in this
+ * file. Useful because they make it more difficult to inadvertently type in
+ * the wrong signature.
+ */
+#define ACPI_SIG_BGRT           "BGRT"      /* Boot Graphics Resource Table */
+#define ACPI_SIG_DRTM           "DRTM"      /* Dynamic Root of Trust for Measurement table */
+#define ACPI_SIG_FPDT           "FPDT"      /* Firmware Performance Data Table */
+#define ACPI_SIG_GTDT           "GTDT"      /* Generic Timer Description Table */
+#define ACPI_SIG_MPST           "MPST"      /* Memory Power State Table */
+#define ACPI_SIG_PCCT           "PCCT"      /* Platform Communications Channel Table */
+#define ACPI_SIG_PMTT           "PMTT"      /* Platform Memory Topology Table */
+#define ACPI_SIG_RASF           "RASF"      /* RAS Feature table */
+
+#define ACPI_SIG_S3PT           "S3PT"      /* S3 Performance (sub)Table */
+#define ACPI_SIG_PCCS           "PCC"       /* PCC Shared Memory Region */
+
+/* Reserved table signatures */
+
+#define ACPI_SIG_CSRT           "CSRT"      /* Core System Resources Table */
+#define ACPI_SIG_DBG2           "DBG2"      /* Debug Port table 2 */
+#define ACPI_SIG_MATR           "MATR"      /* Memory Address Translation Table */
+#define ACPI_SIG_MSDM           "MSDM"      /* Microsoft Data Management Table */
+#define ACPI_SIG_WPBT           "WPBT"      /* Windows Platform Binary Table */
+
+/*
+ * All tables must be byte-packed to match the ACPI specification, since
+ * the tables are provided by the system BIOS.
+ */
+#pragma pack(1)
+
+/*
+ * Note about bitfields: The UINT8 type is used for bitfields in ACPI tables.
+ * This is the only type that is even remotely portable. Anything else is not
+ * portable, so do not use any other bitfield types.
+ */
+
+
+/*******************************************************************************
+ *
+ * BGRT - Boot Graphics Resource Table (ACPI 5.0)
+ *        Version 1
+ *
+ ******************************************************************************/
+
+typedef struct acpi_table_bgrt
+{
+    ACPI_TABLE_HEADER       Header;             /* Common ACPI table header */
+    UINT16                  Version;
+    UINT8                   Status;
+    UINT8                   ImageType;
+    UINT64                  ImageAddress;
+    UINT32                  ImageOffsetX;
+    UINT32                  ImageOffsetY;
+
+} ACPI_TABLE_BGRT;
+
+
+/*******************************************************************************
+ *
+ * DRTM - Dynamic Root of Trust for Measurement table
+ *
+ ******************************************************************************/
+
+typedef struct acpi_table_drtm
+{
+    ACPI_TABLE_HEADER       Header;             /* Common ACPI table header */
+    UINT64                  EntryBaseAddress;
+    UINT64                  EntryLength;
+    UINT32                  EntryAddress32;
+    UINT64                  EntryAddress64;
+    UINT64                  ExitAddress;
+    UINT64                  LogAreaAddress;
+    UINT32                  LogAreaLength;
+    UINT64                  ArchDependentAddress;
+    UINT32                  Flags;
+
+} ACPI_TABLE_DRTM;
+
+/* 1) Validated Tables List */
+
+typedef struct acpi_drtm_vtl_list
+{
+    UINT32                  ValidatedTableListCount;
+
+} ACPI_DRTM_VTL_LIST;
+
+/* 2) Resources List */
+
+typedef struct acpi_drtm_resource_list
+{
+    UINT32                  ResourceListCount;
+
+} ACPI_DRTM_RESOURCE_LIST;
+
+/* 3) Platform-specific Identifiers List */
+
+typedef struct acpi_drtm_id_list
+{
+    UINT32                  IdListCount;
+
+} ACPI_DRTM_ID_LIST;
+
+
+/*******************************************************************************
+ *
+ * FPDT - Firmware Performance Data Table (ACPI 5.0)
+ *        Version 1
+ *
+ ******************************************************************************/
+
+typedef struct acpi_table_fpdt
+{
+    ACPI_TABLE_HEADER       Header;             /* Common ACPI table header */
+
+} ACPI_TABLE_FPDT;
+
+
+/* FPDT subtable header */
+
+typedef struct acpi_fpdt_header
+{
+    UINT16                  Type;
+    UINT8                   Length;
+    UINT8                   Revision;
+
+} ACPI_FPDT_HEADER;
+
+/* Values for Type field above */
+
+enum AcpiFpdtType
+{
+    ACPI_FPDT_TYPE_BOOT                 = 0,
+    ACPI_FPDT_TYPE_S3PERF               = 1,
+};
+
+
+/*
+ * FPDT subtables
+ */
+
+/* 0: Firmware Basic Boot Performance Record */
+
+typedef struct acpi_fpdt_boot
+{
+    ACPI_FPDT_HEADER        Header;
+    UINT8                   Reserved[4];
+    UINT64                  ResetEnd;
+    UINT64                  LoadStart;
+    UINT64                  StartupStart;
+    UINT64                  ExitServicesEntry;
+    UINT64                  ExitServicesExit;
+
+} ACPI_FPDT_BOOT;
+
+
+/* 1: S3 Performance Table Pointer Record */
+
+typedef struct acpi_fpdt_s3pt_ptr
+{
+    ACPI_FPDT_HEADER        Header;
+    UINT8                   Reserved[4];
+    UINT64                  Address;
+
+} ACPI_FPDT_S3PT_PTR;
+
+
+/*
+ * S3PT - S3 Performance Table. This table is pointed to by the
+ * FPDT S3 Pointer Record above.
+ */
+typedef struct acpi_table_s3pt
+{
+    UINT8                   Signature[4]; /* "S3PT" */
+    UINT32                  Length;
+
+} ACPI_TABLE_S3PT;
+
+
+/*
+ * S3PT Subtables
+ */
+typedef struct acpi_s3pt_header
+{
+    UINT16                  Type;
+    UINT8                   Length;
+    UINT8                   Revision;
+
+} ACPI_S3PT_HEADER;
+
+/* Values for Type field above */
+
+enum AcpiS3ptType
+{
+    ACPI_S3PT_TYPE_RESUME               = 0,
+    ACPI_S3PT_TYPE_SUSPEND              = 1,
+};
+
+typedef struct acpi_s3pt_resume
+{
+    ACPI_S3PT_HEADER        Header;
+    UINT32                  ResumeCount;
+    UINT64                  FullResume;
+    UINT64                  AverageResume;
+
+} ACPI_S3PT_RESUME;
+
+typedef struct acpi_s3pt_suspend
+{
+    ACPI_S3PT_HEADER        Header;
+    UINT64                  SuspendStart;
+    UINT64                  SuspendEnd;
+
+} ACPI_S3PT_SUSPEND;
+
+
+/*******************************************************************************
+ *
+ * GTDT - Generic Timer Description Table (ACPI 5.0)
+ *        Version 1
+ *
+ ******************************************************************************/
+
+typedef struct acpi_table_gtdt
+{
+    ACPI_TABLE_HEADER       Header;             /* Common ACPI table header */
+    UINT64                  Address;
+    UINT32                  Flags;
+    UINT32                  SecurePl1Interrupt;
+    UINT32                  SecurePl1Flags;
+    UINT32                  NonSecurePl1Interrupt;
+    UINT32                  NonSecurePl1Flags;
+    UINT32                  VirtualTimerInterrupt;
+    UINT32                  VirtualTimerFlags;
+    UINT32                  NonSecurePl2Interrupt;
+    UINT32                  NonSecurePl2Flags;
+
+} ACPI_TABLE_GTDT;
+
+/* Values for Flags field above */
+
+#define ACPI_GTDT_MAPPED_BLOCK_PRESENT      1
+
+/* Values for all "TimerFlags" fields above */
+
+#define ACPI_GTDT_INTERRUPT_MODE            1
+#define ACPI_GTDT_INTERRUPT_POLARITY        2
+
+
+/*******************************************************************************
+ *
+ * MPST - Memory Power State Table (ACPI 5.0)
+ *        Version 1
+ *
+ ******************************************************************************/
+
+#define ACPI_MPST_CHANNEL_INFO \
+    UINT16                  Reserved1; \
+    UINT8                   ChannelId; \
+    UINT8                   Reserved2; \
+    UINT16                  PowerNodeCount;
+
+/* Main table */
+
+typedef struct acpi_table_mpst
+{
+    ACPI_TABLE_HEADER       Header;             /* Common ACPI table header */
+    ACPI_MPST_CHANNEL_INFO                      /* Platform Communication Channel */
+
+} ACPI_TABLE_MPST;
+
+
+/* Memory Platform Communication Channel Info */
+
+typedef struct acpi_mpst_channel
+{
+    ACPI_MPST_CHANNEL_INFO                      /* Platform Communication Channel */
+
+} ACPI_MPST_CHANNEL;
+
+
+/* Memory Power Node Structure */
+
+typedef struct acpi_mpst_power_node
+{
+    UINT8                   Flags;
+    UINT8                   Reserved1;
+    UINT16                  NodeId;
+    UINT32                  Length;
+    UINT64                  RangeAddress;
+    UINT64                  RangeLength;
+    UINT8                   NumPowerStates;
+    UINT8                   NumPhysicalComponents;
+    UINT16                  Reserved2;
+
+} ACPI_MPST_POWER_NODE;
+
+/* Values for Flags field above */
+
+#define ACPI_MPST_ENABLED               1
+#define ACPI_MPST_POWER_MANAGED         2
+#define ACPI_MPST_HOT_PLUG_CAPABLE      4
+
+
+/* Memory Power State Structure (follows POWER_NODE above) */
+
+typedef struct acpi_mpst_power_state
+{
+    UINT8                   PowerState;
+    UINT8                   InfoIndex;
+
+} ACPI_MPST_POWER_STATE;
+
+
+/* Physical Component ID Structure (follows POWER_STATE above) */
+
+typedef struct acpi_mpst_component
+{
+    UINT16                  ComponentId;
+
+} ACPI_MPST_COMPONENT;
+
+
+/* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
+
+typedef struct acpi_mpst_data_hdr
+{
+    UINT16                  CharacteristicsCount;
+
+} ACPI_MPST_DATA_HDR;
+
+typedef struct acpi_mpst_power_data
+{
+    UINT8                   Revision;
+    UINT8                   Flags;
+    UINT16                  Reserved1;
+    UINT32                  AveragePower;
+    UINT32                  PowerSaving;
+    UINT64                  ExitLatency;
+    UINT64                  Reserved2;
+
+} ACPI_MPST_POWER_DATA;
+
+/* Values for Flags field above */
+
+#define ACPI_MPST_PRESERVE              1
+#define ACPI_MPST_AUTOENTRY             2
+#define ACPI_MPST_AUTOEXIT              4
+
+
+/* Shared Memory Region (not part of an ACPI table) */
+
+typedef struct acpi_mpst_shared
+{
+    UINT32                  Signature;
+    UINT16                  PccCommand;
+    UINT16                  PccStatus;
+    UINT16                  CommandRegister;
+    UINT16                  StatusRegister;
+    UINT16                  PowerStateId;
+    UINT16                  PowerNodeId;
+    UINT64                  EnergyConsumed;
+    UINT64                  AveragePower;
+
+} ACPI_MPST_SHARED;
+
+
+/*******************************************************************************
+ *
+ * PCCT - Platform Communications Channel Table (ACPI 5.0)
+ *        Version 1
+ *
+ ******************************************************************************/
+
+typedef struct acpi_table_pcct
+{
+    ACPI_TABLE_HEADER       Header;             /* Common ACPI table header */
+    UINT32                  Flags;
+    UINT32                  Latency;
+    UINT32                  Reserved;
+
+} ACPI_TABLE_PCCT;
+
+/* Values for Flags field above */
+
+#define ACPI_PCCT_DOORBELL              1
+
+/*
+ * PCCT subtables
+ */
+
+/* 0: Generic Communications Subspace */
+
+typedef struct acpi_pcct_subspace
+{
+    ACPI_SUBTABLE_HEADER    Header;
+    UINT8                   Reserved[6];
+    UINT64                  BaseAddress;
+    UINT64                  Length;
+    ACPI_GENERIC_ADDRESS    DoorbellRegister;
+    UINT64                  PreserveMask;
+    UINT64                  WriteMask;
+
+} ACPI_PCCT_SUBSPACE;
+
+
+/*
+ * PCC memory structures (not part of the ACPI table)
+ */
+
+/* Shared Memory Region */
+
+typedef struct acpi_pcct_shared_memory
+{
+    UINT32                  Signature;
+    UINT16                  Command;
+    UINT16                  Status;
+
+} ACPI_PCCT_SHARED_MEMORY;
+
+
+/*******************************************************************************
+ *
+ * PMTT - Platform Memory Topology Table (ACPI 5.0)
+ *        Version 1
+ *
+ ******************************************************************************/
+
+typedef struct acpi_table_pmtt
+{
+    ACPI_TABLE_HEADER       Header;             /* Common ACPI table header */
+    UINT32                  Reserved;
+
+} ACPI_TABLE_PMTT;
+
+
+/* Common header for PMTT subtables that follow main table */
+
+typedef struct acpi_pmtt_header
+{
+    UINT8                   Type;
+    UINT8                   Reserved1;
+    UINT16                  Length;
+    UINT16                  Flags;
+    UINT16                  Reserved2;
+
+} ACPI_PMTT_HEADER;
+
+/* Values for Type field above */
+
+#define ACPI_PMTT_TYPE_SOCKET           0
+#define ACPI_PMTT_TYPE_CONTROLLER       1
+#define ACPI_PMTT_TYPE_DIMM             2
+#define ACPI_PMTT_TYPE_RESERVED         3 /* 0x03-0xFF are reserved */
+
+/* Values for Flags field above */
+
+#define ACPI_PMTT_TOP_LEVEL             0x0001
+#define ACPI_PMTT_PHYSICAL              0x0002
+#define ACPI_PMTT_MEMORY_TYPE           0x000C
+
+
+/*
+ * PMTT subtables, correspond to Type in acpi_pmtt_header
+ */
+
+
+/* 0: Socket Structure */
+
+typedef struct acpi_pmtt_socket
+{
+    ACPI_PMTT_HEADER        Header;
+    UINT16                  SocketId;
+    UINT16                  Reserved;
+
+} ACPI_PMTT_SOCKET;
+
+
+/* 1: Memory Controller subtable */
+
+typedef struct acpi_pmtt_controller
+{
+    ACPI_PMTT_HEADER        Header;
+    UINT32                  ReadLatency;
+    UINT32                  WriteLatency;
+    UINT32                  ReadBandwidth;
+    UINT32                  WriteBandwidth;
+    UINT16                  AccessWidth;
+    UINT16                  Alignment;
+    UINT16                  Reserved;
+    UINT16                  DomainCount;
+
+} ACPI_PMTT_CONTROLLER;
+
+/* 1a: Proximity Domain substructure */
+
+typedef struct acpi_pmtt_domain
+{
+    UINT32                  ProximityDomain;
+
+} ACPI_PMTT_DOMAIN;
+
+
+/* 2: Physical Component Identifier (DIMM) */
+
+typedef struct acpi_pmtt_physical_component
+{
+    ACPI_PMTT_HEADER        Header;
+    UINT16                  ComponentId;
+    UINT16                  Reserved;
+    UINT32                  MemorySize;
+    UINT32                  BiosHandle;
+
+} ACPI_PMTT_PHYSICAL_COMPONENT;
+
+
+/*******************************************************************************
+ *
+ * RASF - RAS Feature Table (ACPI 5.0)
+ *        Version 1
+ *
+ ******************************************************************************/
+
+typedef struct acpi_table_rasf
+{
+    ACPI_TABLE_HEADER       Header;             /* Common ACPI table header */
+    UINT8                   ChannelId[12];
+
+} ACPI_TABLE_RASF;
+
+/* RASF Platform Communication Channel Shared Memory Region */
+
+typedef struct acpi_rasf_shared_memory
+{
+    UINT32                  Signature;
+    UINT16                  Command;
+    UINT16                  Status;
+    UINT64                  RequestedAddress;
+    UINT64                  RequestedLength;
+    UINT64                  ActualAddress;
+    UINT64                  ActualLength;
+    UINT16                  Flags;
+    UINT8                   Speed;
+
+} ACPI_RASF_SHARED_MEMORY;
+
+/* Masks for Flags and Speed fields above */
+
+#define ACPI_RASF_SCRUBBER_RUNNING      1
+#define ACPI_RASF_SPEED                 (7<<1)
+
+/* Channel Commands */
+
+enum AcpiRasfCommands
+{
+    ACPI_RASF_GET_RAS_CAPABILITIES      = 1,
+    ACPI_RASF_GET_PATROL_PARAMETERS     = 2,
+    ACPI_RASF_START_PATROL_SCRUBBER     = 3,
+    ACPI_RASF_STOP_PATROL_SCRUBBER      = 4
+};
+
+/* Channel Command flags */
+
+#define ACPI_RASF_GENERATE_SCI          (1<<15)
+
+/* Status values */
+
+enum AcpiRasfStatus
+{
+    ACPI_RASF_SUCCESS                   = 0,
+    ACPI_RASF_NOT_VALID                 = 1,
+    ACPI_RASF_NOT_SUPPORTED             = 2,
+    ACPI_RASF_BUSY                      = 3,
+    ACPI_RASF_FAILED                    = 4,
+    ACPI_RASF_ABORTED                   = 5,
+    ACPI_RASF_INVALID_DATA              = 6
+};
+
+/* Status flags */
+
+#define ACPI_RASF_COMMAND_COMPLETE      (1)
+#define ACPI_RASF_SCI_DOORBELL          (1<<1)
+#define ACPI_RASF_ERROR                 (1<<2)
+#define ACPI_RASF_STATUS                (0x1F<<3)
+
+
+/* Reset to default packing */
+
+#pragma pack()
+
+#endif /* __ACTBL3_H__ */
diff --git a/usr/src/uts/intel/sys/acpi/actypes.h b/usr/src/uts/intel/sys/acpi/actypes.h
index 095e589607..4a5188544e 100644
--- a/usr/src/uts/intel/sys/acpi/actypes.h
+++ b/usr/src/uts/intel/sys/acpi/actypes.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -520,6 +520,13 @@ typedef UINT64                          ACPI_INTEGER;
 #define ACPI_SLEEP_TYPE_INVALID         0xFF
 
 /*
+ * Sleep/Wake flags
+ */
+#define ACPI_NO_OPTIONAL_METHODS        0x00 /* Do not execute any optional methods */
+#define ACPI_EXECUTE_GTS                0x01 /* For enter sleep interface */
+#define ACPI_EXECUTE_BFS                0x02 /* For leave sleep prep interface */
+
+/*
  * Standard notify values
  */
 #define ACPI_NOTIFY_BUS_CHECK           (UINT8) 0x00
@@ -534,8 +541,9 @@ typedef UINT64                          ACPI_INTEGER;
 #define ACPI_NOTIFY_DEVICE_PLD_CHECK    (UINT8) 0x09
 #define ACPI_NOTIFY_RESERVED            (UINT8) 0x0A
 #define ACPI_NOTIFY_LOCALITY_UPDATE     (UINT8) 0x0B
+#define ACPI_NOTIFY_SHUTDOWN_REQUEST    (UINT8) 0x0C
 
-#define ACPI_NOTIFY_MAX                 0x0B
+#define ACPI_NOTIFY_MAX                 0x0C
 
 /*
  * Types associated with ACPI names and objects. The first group of
@@ -700,8 +708,13 @@ typedef UINT32                          ACPI_EVENT_STATUS;
 #define ACPI_DEVICE_NOTIFY              0x2
 #define ACPI_ALL_NOTIFY                 (ACPI_SYSTEM_NOTIFY | ACPI_DEVICE_NOTIFY)
 #define ACPI_MAX_NOTIFY_HANDLER_TYPE    0x3
+#define ACPI_NUM_NOTIFY_TYPES           2
+
+#define ACPI_MAX_SYS_NOTIFY             0x7F
+#define ACPI_MAX_DEVICE_SPECIFIC_NOTIFY 0xBF
 
-#define ACPI_MAX_SYS_NOTIFY             0x7f
+#define ACPI_SYSTEM_HANDLER_LIST        0 /* Used as index, must be SYSTEM_NOTIFY -1 */
+#define ACPI_DEVICE_HANDLER_LIST        1 /* Used as index, must be DEVICE_NOTIFY -1 */
 
 
 /* Address Space (Operation Region) Types */
@@ -716,8 +729,10 @@ typedef UINT8                           ACPI_ADR_SPACE_TYPE;
 #define ACPI_ADR_SPACE_CMOS             (ACPI_ADR_SPACE_TYPE) 5
 #define ACPI_ADR_SPACE_PCI_BAR_TARGET   (ACPI_ADR_SPACE_TYPE) 6
 #define ACPI_ADR_SPACE_IPMI             (ACPI_ADR_SPACE_TYPE) 7
+#define ACPI_ADR_SPACE_GPIO             (ACPI_ADR_SPACE_TYPE) 8
+#define ACPI_ADR_SPACE_GSBUS            (ACPI_ADR_SPACE_TYPE) 9
 
-#define ACPI_NUM_PREDEFINED_REGIONS     8
+#define ACPI_NUM_PREDEFINED_REGIONS     10
 
 /*
  * Special Address Spaces
@@ -790,6 +805,20 @@ typedef UINT8                           ACPI_ADR_SPACE_TYPE;
 #define ACPI_DISABLE_EVENT                      0
 
 
+/* Sleep function dispatch */
+
+typedef ACPI_STATUS (*ACPI_SLEEP_FUNCTION) (
+    UINT8                   SleepState,
+    UINT8                   Flags);
+
+typedef struct acpi_sleep_functions
+{
+    ACPI_SLEEP_FUNCTION     LegacyFunction;
+    ACPI_SLEEP_FUNCTION     ExtendedFunction;
+
+} ACPI_SLEEP_FUNCTIONS;
+
+
 /*
  * External ACPI object definition
  */
@@ -1030,6 +1059,17 @@ ACPI_STATUS (*ACPI_ADR_SPACE_HANDLER) (
 
 #define ACPI_DEFAULT_HANDLER            NULL
 
+/* Special Context data for GenericSerialBus/GeneralPurposeIo (ACPI 5.0) */
+
+typedef struct acpi_connection_info
+{
+    UINT8                           *Connection;
+    UINT16                          Length;
+    UINT8                           AccessLength;
+
+} ACPI_CONNECTION_INFO;
+
+
 typedef
 ACPI_STATUS (*ACPI_ADR_SPACE_SETUP) (
     ACPI_HANDLE                     RegionHandle,
diff --git a/usr/src/uts/intel/sys/acpi/acutils.h b/usr/src/uts/intel/sys/acpi/acutils.h
index 489f195eb9..e9c9b95dda 100644
--- a/usr/src/uts/intel/sys/acpi/acutils.h
+++ b/usr/src/uts/intel/sys/acpi/acutils.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -46,6 +46,7 @@
 
 
 extern const UINT8                      AcpiGbl_ResourceAmlSizes[];
+extern const UINT8                      AcpiGbl_ResourceAmlSerialBusSizes[];
 
 /* Strings used by the disassembler and debugger resource dump routines */
 
@@ -69,6 +70,22 @@ extern const char                       *AcpiGbl_SizDecode[];
 extern const char                       *AcpiGbl_TrsDecode[];
 extern const char                       *AcpiGbl_TtpDecode[];
 extern const char                       *AcpiGbl_TypDecode[];
+extern const char                       *AcpiGbl_PpcDecode[];
+extern const char                       *AcpiGbl_IorDecode[];
+extern const char                       *AcpiGbl_DtsDecode[];
+extern const char                       *AcpiGbl_CtDecode[];
+extern const char                       *AcpiGbl_SbtDecode[];
+extern const char                       *AcpiGbl_AmDecode[];
+extern const char                       *AcpiGbl_SmDecode[];
+extern const char                       *AcpiGbl_WmDecode[];
+extern const char                       *AcpiGbl_CphDecode[];
+extern const char                       *AcpiGbl_CpoDecode[];
+extern const char                       *AcpiGbl_DpDecode[];
+extern const char                       *AcpiGbl_EdDecode[];
+extern const char                       *AcpiGbl_BpbDecode[];
+extern const char                       *AcpiGbl_SbDecode[];
+extern const char                       *AcpiGbl_FcDecode[];
+extern const char                       *AcpiGbl_PtDecode[];
 #endif
 
 /* Types for Resource descriptor entries */
@@ -113,7 +130,6 @@ typedef struct acpi_pkg_info
 #define DB_DWORD_DISPLAY    4
 #define DB_QWORD_DISPLAY    8
 
-
 /*
  * utglobal - Global data structures and procedures
  */
@@ -722,6 +738,11 @@ void
 AcpiUtStrlwr (
     char                    *SrcString);
 
+int
+AcpiUtStricmp (
+    char                    *String1,
+    char                    *String2);
+
 void
 AcpiUtPrintString (
     char                    *String,
@@ -897,6 +918,31 @@ AcpiUtCreateList (
 
 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
 
+/*
+ * utaddress - address range check
+ */
+ACPI_STATUS
+AcpiUtAddAddressRange (
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  Length,
+    ACPI_NAMESPACE_NODE     *RegionNode);
+
+void
+AcpiUtRemoveAddressRange (
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_NAMESPACE_NODE     *RegionNode);
+
+UINT32
+AcpiUtCheckAddressRange (
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  Length,
+    BOOLEAN                 Warn);
+
+void
+AcpiUtDeleteAddressLists (
+    void);
 
 /*
  * utxferror - various error/warning output functions
diff --git a/usr/src/uts/intel/sys/acpi/amlcode.h b/usr/src/uts/intel/sys/acpi/amlcode.h
index f6e0de3b35..f778bb0780 100644
--- a/usr/src/uts/intel/sys/acpi/amlcode.h
+++ b/usr/src/uts/intel/sys/acpi/amlcode.h
@@ -7,7 +7,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -191,6 +191,15 @@
 
 
 /*
+ * Opcodes for "Field" operators
+ */
+#define AML_FIELD_OFFSET_OP         (UINT8) 0x00
+#define AML_FIELD_ACCESS_OP         (UINT8) 0x01
+#define AML_FIELD_CONNECTION_OP     (UINT8) 0x02        /* ACPI 5.0 */
+#define AML_FIELD_EXT_ACCESS_OP     (UINT8) 0x03        /* ACPI 5.0 */
+
+
+/*
  * Internal opcodes
  * Use only "Unknown" AML opcodes, don't attempt to use
  * any valid ACPI ASCII values (A-Z, 0-9, '-')
@@ -204,7 +213,8 @@
 #define AML_INT_METHODCALL_OP       (UINT16) 0x0035
 #define AML_INT_RETURN_VALUE_OP     (UINT16) 0x0036
 #define AML_INT_EVAL_SUBTREE_OP     (UINT16) 0x0037
-
+#define AML_INT_CONNECTION_OP       (UINT16) 0x0038
+#define AML_INT_EXTACCESSFIELD_OP   (UINT16) 0x0039
 
 #define ARG_NONE                    0x0
 
@@ -478,13 +488,16 @@ typedef enum
  */
 typedef enum
 {
-    AML_FIELD_ATTRIB_SMB_QUICK      = 0x02,
-    AML_FIELD_ATTRIB_SMB_SEND_RCV   = 0x04,
-    AML_FIELD_ATTRIB_SMB_BYTE       = 0x06,
-    AML_FIELD_ATTRIB_SMB_WORD       = 0x08,
-    AML_FIELD_ATTRIB_SMB_BLOCK      = 0x0A,
-    AML_FIELD_ATTRIB_SMB_WORD_CALL  = 0x0C,
-    AML_FIELD_ATTRIB_SMB_BLOCK_CALL = 0x0D
+    AML_FIELD_ATTRIB_QUICK          = 0x02,
+    AML_FIELD_ATTRIB_SEND_RCV       = 0x04,
+    AML_FIELD_ATTRIB_BYTE           = 0x06,
+    AML_FIELD_ATTRIB_WORD           = 0x08,
+    AML_FIELD_ATTRIB_BLOCK          = 0x0A,
+    AML_FIELD_ATTRIB_MULTIBYTE      = 0x0B,
+    AML_FIELD_ATTRIB_WORD_CALL      = 0x0C,
+    AML_FIELD_ATTRIB_BLOCK_CALL     = 0x0D,
+    AML_FIELD_ATTRIB_RAW_BYTES      = 0x0E,
+    AML_FIELD_ATTRIB_RAW_PROCESS    = 0x0F
 
 } AML_ACCESS_ATTRIBUTE;
 
diff --git a/usr/src/uts/intel/sys/acpi/amlresrc.h b/usr/src/uts/intel/sys/acpi/amlresrc.h
index 1375d96cf8..6d85b8a2d0 100644
--- a/usr/src/uts/intel/sys/acpi/amlresrc.h
+++ b/usr/src/uts/intel/sys/acpi/amlresrc.h
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -59,29 +59,48 @@
 #define ACPI_RESTAG_TYPESPECIFICATTRIBUTES      "_ATT"
 #define ACPI_RESTAG_BASEADDRESS                 "_BAS"
 #define ACPI_RESTAG_BUSMASTER                   "_BM_"  /* Master(1), Slave(0) */
+#define ACPI_RESTAG_DEBOUNCETIME                "_DBT"
 #define ACPI_RESTAG_DECODE                      "_DEC"
+#define ACPI_RESTAG_DEVICEPOLARITY              "_DPL"
 #define ACPI_RESTAG_DMA                         "_DMA"
 #define ACPI_RESTAG_DMATYPE                     "_TYP"  /* Compatible(0), A(1), B(2), F(3) */
+#define ACPI_RESTAG_DRIVESTRENGTH               "_DRS"
+#define ACPI_RESTAG_ENDIANNESS                  "_END"
+#define ACPI_RESTAG_FLOWCONTROL                 "_FLC"
 #define ACPI_RESTAG_GRANULARITY                 "_GRA"
 #define ACPI_RESTAG_INTERRUPT                   "_INT"
 #define ACPI_RESTAG_INTERRUPTLEVEL              "_LL_"  /* ActiveLo(1), ActiveHi(0) */
 #define ACPI_RESTAG_INTERRUPTSHARE              "_SHR"  /* Shareable(1), NoShare(0) */
 #define ACPI_RESTAG_INTERRUPTTYPE               "_HE_"  /* Edge(1), Level(0) */
+#define ACPI_RESTAG_IORESTRICTION               "_IOR"
 #define ACPI_RESTAG_LENGTH                      "_LEN"
+#define ACPI_RESTAG_LINE                        "_LIN"
 #define ACPI_RESTAG_MEMATTRIBUTES               "_MTP"  /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
 #define ACPI_RESTAG_MEMTYPE                     "_MEM"  /* NonCache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
 #define ACPI_RESTAG_MAXADDR                     "_MAX"
 #define ACPI_RESTAG_MINADDR                     "_MIN"
 #define ACPI_RESTAG_MAXTYPE                     "_MAF"
 #define ACPI_RESTAG_MINTYPE                     "_MIF"
+#define ACPI_RESTAG_MODE                        "_MOD"
+#define ACPI_RESTAG_PARITY                      "_PAR"
+#define ACPI_RESTAG_PHASE                       "_PHA"
+#define ACPI_RESTAG_PIN                         "_PIN"
+#define ACPI_RESTAG_PINCONFIG                   "_PPI"
+#define ACPI_RESTAG_POLARITY                    "_POL"
 #define ACPI_RESTAG_REGISTERBITOFFSET           "_RBO"
 #define ACPI_RESTAG_REGISTERBITWIDTH            "_RBW"
 #define ACPI_RESTAG_RANGETYPE                   "_RNG"
 #define ACPI_RESTAG_READWRITETYPE               "_RW_"  /* ReadOnly(0), Writeable (1) */
+#define ACPI_RESTAG_LENGTH_RX                   "_RXL"
+#define ACPI_RESTAG_LENGTH_TX                   "_TXL"
+#define ACPI_RESTAG_SLAVEMODE                   "_SLV"
+#define ACPI_RESTAG_SPEED                       "_SPE"
+#define ACPI_RESTAG_STOPBITS                    "_STB"
 #define ACPI_RESTAG_TRANSLATION                 "_TRA"
 #define ACPI_RESTAG_TRANSTYPE                   "_TRS"  /* Sparse(1), Dense(0) */
 #define ACPI_RESTAG_TYPE                        "_TTP"  /* Translation(1), Static (0) */
 #define ACPI_RESTAG_XFERTYPE                    "_SIZ"  /* 8(0), 8And16(1), 16(2) */
+#define ACPI_RESTAG_VENDORDATA                  "_VEN"
 
 
 /* Default sizes for "small" resource descriptors */
@@ -92,6 +111,7 @@
 #define ASL_RDESC_END_DEPEND_SIZE               0x00
 #define ASL_RDESC_IO_SIZE                       0x07
 #define ASL_RDESC_FIXED_IO_SIZE                 0x03
+#define ASL_RDESC_FIXED_DMA_SIZE                0x05
 #define ASL_RDESC_END_TAG_SIZE                  0x01
 
 
@@ -214,6 +234,16 @@ typedef struct aml_resource_end_tag
 } AML_RESOURCE_END_TAG;
 
 
+typedef struct aml_resource_fixed_dma
+{
+    AML_RESOURCE_SMALL_HEADER_COMMON
+    UINT16                          RequestLines;
+    UINT16                          Channels;
+    UINT8                           Width;
+
+} AML_RESOURCE_FIXED_DMA;
+
+
 /*
  * LARGE descriptors
  */
@@ -368,6 +398,130 @@ typedef struct aml_resource_generic_register
 
 } AML_RESOURCE_GENERIC_REGISTER;
 
+
+/* Common descriptor for GpioInt and GpioIo (ACPI 5.0) */
+
+typedef struct aml_resource_gpio
+{
+    AML_RESOURCE_LARGE_HEADER_COMMON
+    UINT8                           RevisionId;
+    UINT8                           ConnectionType;
+    UINT16                          Flags;
+    UINT16                          IntFlags;
+    UINT8                           PinConfig;
+    UINT16                          DriveStrength;
+    UINT16                          DebounceTimeout;
+    UINT16                          PinTableOffset;
+    UINT8                           ResSourceIndex;
+    UINT16                          ResSourceOffset;
+    UINT16                          VendorOffset;
+    UINT16                          VendorLength;
+    /*
+     * Optional fields follow immediately:
+     * 1) PIN list (Words)
+     * 2) Resource Source String
+     * 3) Vendor Data bytes
+     */
+
+} AML_RESOURCE_GPIO;
+
+#define AML_RESOURCE_GPIO_REVISION              1       /* ACPI 5.0 */
+
+/* Values for ConnectionType above */
+
+#define AML_RESOURCE_GPIO_TYPE_INT              0
+#define AML_RESOURCE_GPIO_TYPE_IO               1
+#define AML_RESOURCE_MAX_GPIOTYPE               1
+
+
+/* Common preamble for all serial descriptors (ACPI 5.0) */
+
+#define AML_RESOURCE_SERIAL_COMMON \
+    UINT8                           RevisionId; \
+    UINT8                           ResSourceIndex; \
+    UINT8                           Type; \
+    UINT8                           Flags; \
+    UINT16                          TypeSpecificFlags; \
+    UINT8                           TypeRevisionId; \
+    UINT16                          TypeDataLength; \
+
+/* Values for the type field above */
+
+#define AML_RESOURCE_I2C_SERIALBUSTYPE          1
+#define AML_RESOURCE_SPI_SERIALBUSTYPE          2
+#define AML_RESOURCE_UART_SERIALBUSTYPE         3
+#define AML_RESOURCE_MAX_SERIALBUSTYPE          3
+#define AML_RESOURCE_VENDOR_SERIALBUSTYPE       192 /* Vendor defined is 0xC0-0xFF (NOT SUPPORTED) */
+
+typedef struct aml_resource_common_serialbus
+{
+    AML_RESOURCE_LARGE_HEADER_COMMON
+    AML_RESOURCE_SERIAL_COMMON
+
+} AML_RESOURCE_COMMON_SERIALBUS;
+
+typedef struct aml_resource_i2c_serialbus
+{
+    AML_RESOURCE_LARGE_HEADER_COMMON
+    AML_RESOURCE_SERIAL_COMMON
+    UINT32                          ConnectionSpeed;
+    UINT16                          SlaveAddress;
+    /*
+     * Optional fields follow immediately:
+     * 1) Vendor Data bytes
+     * 2) Resource Source String
+     */
+
+} AML_RESOURCE_I2C_SERIALBUS;
+
+#define AML_RESOURCE_I2C_REVISION               1       /* ACPI 5.0 */
+#define AML_RESOURCE_I2C_TYPE_REVISION          1       /* ACPI 5.0 */
+#define AML_RESOURCE_I2C_MIN_DATA_LEN           6
+
+typedef struct aml_resource_spi_serialbus
+{
+    AML_RESOURCE_LARGE_HEADER_COMMON
+    AML_RESOURCE_SERIAL_COMMON
+    UINT32                          ConnectionSpeed;
+    UINT8                           DataBitLength;
+    UINT8                           ClockPhase;
+    UINT8                           ClockPolarity;
+    UINT16                          DeviceSelection;
+    /*
+     * Optional fields follow immediately:
+     * 1) Vendor Data bytes
+     * 2) Resource Source String
+     */
+
+} AML_RESOURCE_SPI_SERIALBUS;
+
+#define AML_RESOURCE_SPI_REVISION               1       /* ACPI 5.0 */
+#define AML_RESOURCE_SPI_TYPE_REVISION          1       /* ACPI 5.0 */
+#define AML_RESOURCE_SPI_MIN_DATA_LEN           9
+
+
+typedef struct aml_resource_uart_serialbus
+{
+    AML_RESOURCE_LARGE_HEADER_COMMON
+    AML_RESOURCE_SERIAL_COMMON
+    UINT32                          DefaultBaudRate;
+    UINT16                          RxFifoSize;
+    UINT16                          TxFifoSize;
+    UINT8                           Parity;
+    UINT8                           LinesEnabled;
+    /*
+     * Optional fields follow immediately:
+     * 1) Vendor Data bytes
+     * 2) Resource Source String
+     */
+
+} AML_RESOURCE_UART_SERIALBUS;
+
+#define AML_RESOURCE_UART_REVISION              1       /* ACPI 5.0 */
+#define AML_RESOURCE_UART_TYPE_REVISION         1       /* ACPI 5.0 */
+#define AML_RESOURCE_UART_MIN_DATA_LEN          10
+
+
 /* restore default alignment */
 
 #pragma pack()
@@ -390,6 +544,7 @@ typedef union aml_resource
     AML_RESOURCE_END_DEPENDENT              EndDpf;
     AML_RESOURCE_IO                         Io;
     AML_RESOURCE_FIXED_IO                   FixedIo;
+    AML_RESOURCE_FIXED_DMA                  FixedDma;
     AML_RESOURCE_VENDOR_SMALL               VendorSmall;
     AML_RESOURCE_END_TAG                    EndTag;
 
@@ -405,6 +560,11 @@ typedef union aml_resource
     AML_RESOURCE_ADDRESS64                  Address64;
     AML_RESOURCE_EXTENDED_ADDRESS64         ExtAddress64;
     AML_RESOURCE_EXTENDED_IRQ               ExtendedIrq;
+    AML_RESOURCE_GPIO                       Gpio;
+    AML_RESOURCE_I2C_SERIALBUS              I2cSerialBus;
+    AML_RESOURCE_SPI_SERIALBUS              SpiSerialBus;
+    AML_RESOURCE_UART_SERIALBUS             UartSerialBus;
+    AML_RESOURCE_COMMON_SERIALBUS           CommonSerialBus;
 
     /* Utility overlays */
 
diff --git a/usr/src/uts/intel/sys/acpi/platform/accygwin.h b/usr/src/uts/intel/sys/acpi/platform/accygwin.h
index 10ae3e83b7..831f313987 100644
--- a/usr/src/uts/intel/sys/acpi/platform/accygwin.h
+++ b/usr/src/uts/intel/sys/acpi/platform/accygwin.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/sys/acpi/platform/acefi.h b/usr/src/uts/intel/sys/acpi/platform/acefi.h
index 9249ae8d24..bab6159381 100644
--- a/usr/src/uts/intel/sys/acpi/platform/acefi.h
+++ b/usr/src/uts/intel/sys/acpi/platform/acefi.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/sys/acpi/platform/acenv.h b/usr/src/uts/intel/sys/acpi/platform/acenv.h
index 7f893c13ff..19ca03baac 100644
--- a/usr/src/uts/intel/sys/acpi/platform/acenv.h
+++ b/usr/src/uts/intel/sys/acpi/platform/acenv.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -79,7 +79,7 @@
 #define ACPI_SINGLE_THREADED
 #endif
 
-/* AcpiExec and AcpiBin configuration */
+/* AcpiExec configuration. Multithreaded with full AML debugger */
 
 #ifdef ACPI_EXEC_APP
 #define ACPI_APPLICATION
@@ -88,7 +88,27 @@
 #define ACPI_DBG_TRACK_ALLOCATIONS
 #endif
 
-#ifdef ACPI_BIN_APP
+/* AcpiNames configuration. Single threaded with debugger output enabled. */
+
+#ifdef ACPI_NAMES_APP
+#define ACPI_DEBUGGER
+#define ACPI_APPLICATION
+#define ACPI_SINGLE_THREADED
+#endif
+
+/*
+ * AcpiBin/AcpiHelp/AcpiSrc configuration. All single threaded, with
+ * no debug output.
+ */
+#if (defined ACPI_BIN_APP)   || \
+    (defined ACPI_SRC_APP)   || \
+    (defined ACPI_XTRACT_APP)
+#define ACPI_APPLICATION
+#define ACPI_SINGLE_THREADED
+#endif
+
+#ifdef ACPI_HELP_APP
+#define ACPI_DEBUG_OUTPUT
 #define ACPI_APPLICATION
 #define ACPI_SINGLE_THREADED
 #endif
diff --git a/usr/src/uts/intel/sys/acpi/platform/acfreebsd.h b/usr/src/uts/intel/sys/acpi/platform/acfreebsd.h
index ad106ecf5e..98f972f373 100644
--- a/usr/src/uts/intel/sys/acpi/platform/acfreebsd.h
+++ b/usr/src/uts/intel/sys/acpi/platform/acfreebsd.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/sys/acpi/platform/acgcc.h b/usr/src/uts/intel/sys/acpi/platform/acgcc.h
index 4b197ff63a..d2eafff395 100644
--- a/usr/src/uts/intel/sys/acpi/platform/acgcc.h
+++ b/usr/src/uts/intel/sys/acpi/platform/acgcc.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/sys/acpi/platform/acintel.h b/usr/src/uts/intel/sys/acpi/platform/acintel.h
index cf7e0bc224..46d238bedb 100644
--- a/usr/src/uts/intel/sys/acpi/platform/acintel.h
+++ b/usr/src/uts/intel/sys/acpi/platform/acintel.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/sys/acpi/platform/aclinux.h b/usr/src/uts/intel/sys/acpi/platform/aclinux.h
index 3fc3d97cb8..edfff150ed 100644
--- a/usr/src/uts/intel/sys/acpi/platform/aclinux.h
+++ b/usr/src/uts/intel/sys/acpi/platform/aclinux.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -87,17 +87,18 @@
 /* Host-dependent types and defines for user-space ACPICA */
 
 #define ACPI_FLUSH_CPU_CACHE()
-#define ACPI_CAST_PTHREAD_T(pthread) ((ACPI_THREAD_ID) (pthread))
 
 #if defined(__ia64__) || defined(__x86_64__)
 #define ACPI_MACHINE_WIDTH          64
 #define COMPILER_DEPENDENT_INT64    long
 #define COMPILER_DEPENDENT_UINT64   unsigned long
+#define ACPI_CAST_PTHREAD_T(pthread) ((ACPI_THREAD_ID) (pthread))
 #else
 #define ACPI_MACHINE_WIDTH          32
 #define COMPILER_DEPENDENT_INT64    long long
 #define COMPILER_DEPENDENT_UINT64   unsigned long long
 #define ACPI_USE_NATIVE_DIVIDE
+#define ACPI_CAST_PTHREAD_T(pthread) ((ACPI_THREAD_ID) (UINT32) (void *) (pthread))
 #endif
 
 #ifndef __cdecl
diff --git a/usr/src/uts/intel/sys/acpi/platform/acmsvc.h b/usr/src/uts/intel/sys/acpi/platform/acmsvc.h
index 8590d95fd0..b73a62caf1 100644
--- a/usr/src/uts/intel/sys/acpi/platform/acmsvc.h
+++ b/usr/src/uts/intel/sys/acpi/platform/acmsvc.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,28 @@
 #ifndef __ACMSVC_H__
 #define __ACMSVC_H__
 
+
+/*
+ * Map low I/O functions for MS. This allows us to disable MS language
+ * extensions for maximum portability.
+ */
+#define open            _open
+#define read            _read
+#define write           _write
+#define close           _close
+#define stat            _stat
+#define fstat           _fstat
+#define mkdir           _mkdir
+#define strlwr          _strlwr
+#define O_RDONLY        _O_RDONLY
+#define O_BINARY        _O_BINARY
+#define O_CREAT         _O_CREAT
+#define O_WRONLY        _O_WRONLY
+#define O_TRUNC         _O_TRUNC
+#define S_IREAD         _S_IREAD
+#define S_IWRITE        _S_IWRITE
+#define S_IFDIR         _S_IFDIR
+
 /* Eliminate warnings for "old" (non-secure) versions of clib functions */
 
 #ifndef _CRT_SECURE_NO_WARNINGS
diff --git a/usr/src/uts/intel/sys/acpi/platform/acnetbsd.h b/usr/src/uts/intel/sys/acpi/platform/acnetbsd.h
index 7c7a63ec94..23b0e8c4c3 100644
--- a/usr/src/uts/intel/sys/acpi/platform/acnetbsd.h
+++ b/usr/src/uts/intel/sys/acpi/platform/acnetbsd.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/sys/acpi/platform/acos2.h b/usr/src/uts/intel/sys/acpi/platform/acos2.h
index f01d697e31..0704c50161 100644
--- a/usr/src/uts/intel/sys/acpi/platform/acos2.h
+++ b/usr/src/uts/intel/sys/acpi/platform/acos2.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/sys/acpi/platform/acwin.h b/usr/src/uts/intel/sys/acpi/platform/acwin.h
index 1355827ccb..c7d4bcd386 100644
--- a/usr/src/uts/intel/sys/acpi/platform/acwin.h
+++ b/usr/src/uts/intel/sys/acpi/platform/acwin.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/sys/acpi/platform/acwin64.h b/usr/src/uts/intel/sys/acpi/platform/acwin64.h
index b4d184294c..022baf050e 100644
--- a/usr/src/uts/intel/sys/acpi/platform/acwin64.h
+++ b/usr/src/uts/intel/sys/acpi/platform/acwin64.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/sys/bootinfo.h b/usr/src/uts/intel/sys/bootinfo.h
index 08ff9c3ca0..3adce64fc4 100644
--- a/usr/src/uts/intel/sys/bootinfo.h
+++ b/usr/src/uts/intel/sys/bootinfo.h
@@ -32,6 +32,13 @@ extern "C" {
 #endif
 
 /*
+ * This is used by bootfs and dboot.  It should be at least as large as the
+ * number of modules that bootloaders (e.g., grub) can support.  This figure
+ * has been chosen to match grub's value exactly.
+ */
+#define	MAX_BOOT_MODULES	99
+
+/*
  * The 32-bit kernel loader code needs to build several structures that the
  * kernel is expecting. They will contain native sized pointers for the
  * target kernel.
@@ -51,6 +58,12 @@ typedef void *native_ptr_t;
 
 #endif
 
+typedef enum boot_module_type {
+	BMT_ROOTFS,
+	BMT_FILE,
+	BMT_HASH
+} boot_module_type_t;
+
 struct boot_memlist {
 	uint64_t	addr;
 	uint64_t	size;
@@ -62,9 +75,11 @@ struct boot_memlist {
  * The kernel needs to know how to find its modules.
  */
 struct boot_modules {
-	native_ptr_t	bm_addr;
-	uint32_t	bm_size;
-	uint32_t	bm_padding;
+	native_ptr_t		bm_addr;
+	native_ptr_t		bm_name;
+	native_ptr_t		bm_hash;
+	uint32_t		bm_size;
+	boot_module_type_t	bm_type;
 };
 
 /*
diff --git a/usr/src/uts/intel/sys/bootvfs.h b/usr/src/uts/intel/sys/bootvfs.h
index 63696395da..b1cdabaccc 100644
--- a/usr/src/uts/intel/sys/bootvfs.h
+++ b/usr/src/uts/intel/sys/bootvfs.h
@@ -69,6 +69,18 @@ struct boot_fs_ops {
 
 extern struct boot_fs_ops *bfs_ops;
 
+#ifdef _KERNEL
+
+extern int BRD_MOUNTROOT(struct boot_fs_ops *, char *);
+extern int BRD_UNMOUNTROOT(struct boot_fs_ops *);
+extern int BRD_OPEN(struct boot_fs_ops *, char *, int);
+extern int BRD_CLOSE(struct boot_fs_ops *, int);
+extern ssize_t BRD_READ(struct boot_fs_ops *, int, caddr_t, size_t);
+extern off_t BRD_SEEK(struct boot_fs_ops *, int, off_t, int);
+extern int BRD_FSTAT(struct boot_fs_ops *, int, struct bootstat *);
+
+#else
+
 #define	BRD_MOUNTROOT(ops, str)		((ops)->fsw_mountroot)(str)
 #define	BRD_UNMOUNTROOT(ops)		((ops)->fsw_unmountroot)()
 #define	BRD_OPEN(ops, file, flag)	((ops)->fsw_open)(file, flag)
@@ -77,6 +89,11 @@ extern struct boot_fs_ops *bfs_ops;
 #define	BRD_SEEK(ops, fd, addr, w)	((ops)->fsw_lseek)(fd, addr, w)
 #define	BRD_FSTAT(ops, fd, stp)		((ops)->fsw_fstat)(fd, stp)
 
+#endif
+
+#define	SYSTEM_BOOT_PATH	"/system/boot"
+#define	BFD_F_SYSTEM_BOOT	0x40000000
+
 #ifdef _BOOT
 
 extern	int	mountroot(char *str);
diff --git a/usr/src/uts/intel/sys/controlregs.h b/usr/src/uts/intel/sys/controlregs.h
index d84bba7d3a..98615937b2 100644
--- a/usr/src/uts/intel/sys/controlregs.h
+++ b/usr/src/uts/intel/sys/controlregs.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015, Joyent, Inc.
  */
 
 #ifndef	_SYS_CONTROLREGS_H
@@ -108,9 +109,10 @@ extern "C" {
 #define	CR4_VMXE	0x2000
 #define	CR4_SMXE	0x4000
 #define	CR4_OSXSAVE	0x40000		/* OS xsave/xrestore support	*/
+#define	CR4_SMEP	0x100000	/* NX for user pages in kernel */
 
 #define	FMT_CR4							\
-	"\20\23osxsav\17smxe\16vmxe\13xmme\12fxsr\11pce\10pge"		\
+	"\20\25smep\23osxsav\17smxe\16vmxe\13xmme\12fxsr\11pce\10pge"	\
 	"\7mce\6pae\5pse\4de\3tsd\2pvi\1vme"
 
 /*
diff --git a/usr/src/uts/intel/sys/machbrand.h b/usr/src/uts/intel/sys/machbrand.h
index 3f9ebdb6b7..2e77eb845b 100644
--- a/usr/src/uts/intel/sys/machbrand.h
+++ b/usr/src/uts/intel/sys/machbrand.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc. All rights reserved.
  */
 
 #ifndef _SYS_MACHBRAND_H
@@ -35,17 +36,21 @@ extern "C" {
 
 struct brand_mach_ops {
 	void	(*b_sysenter)(void);
+	void	(*b_int80)(void);
 	void	(*b_int91)(void);
 	void	(*b_syscall)(void);
 	void	(*b_syscall32)(void);
+	greg_t	(*b_fixsegreg)(greg_t, model_t);
+	uintptr_t (*b_fsbase)(klwp_t *, uintptr_t);
 };
 
 #endif	/* _ASM */
 
 #define	BRAND_CB_SYSENTER	0
-#define	BRAND_CB_INT91		1
-#define	BRAND_CB_SYSCALL	2
-#define	BRAND_CB_SYSCALL32	3
+#define	BRAND_CB_INT80		1
+#define	BRAND_CB_INT91		2
+#define	BRAND_CB_SYSCALL	3
+#define	BRAND_CB_SYSCALL32	4
 
 #ifdef	__cplusplus
 }
diff --git a/usr/src/uts/intel/sys/segments.h b/usr/src/uts/intel/sys/segments.h
index c4b194fcd8..8a6e398eec 100644
--- a/usr/src/uts/intel/sys/segments.h
+++ b/usr/src/uts/intel/sys/segments.h
@@ -683,6 +683,8 @@ extern void _start(), cmnint();
 extern void achktrap(), mcetrap();
 extern void xmtrap();
 extern void fasttrap();
+extern void sys_int80();
+extern void brand_sys_int80();
 extern void dtrace_ret();
 
 #if !defined(__amd64)
diff --git a/usr/src/uts/intel/sys/ucontext.h b/usr/src/uts/intel/sys/ucontext.h
index acd6ddc99e..26f5923930 100644
--- a/usr/src/uts/intel/sys/ucontext.h
+++ b/usr/src/uts/intel/sys/ucontext.h
@@ -20,6 +20,9 @@
  */
 
 /*
+ * Copyright 2015 Joyent, Inc.
+ */
+/*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
@@ -82,9 +85,16 @@ struct	__ucontext {
 	sigset_t   	uc_sigmask;
 	stack_t 	uc_stack;
 	mcontext_t 	uc_mcontext;
-	long		uc_filler[5];	/* see ABI spec for Intel386 */
+	/*
+	 * The Intel386 ABI specification includes a 5-element array of longs
+	 * called "uc_filler", padding the size of the struct to 512 bytes.  To
+	 * allow zone brands to communicate extra data right the way through
+	 * the signal handling process, from sigacthandler to setcontext, we
+	 * steal the first three of these longs as a brand-private member.
+	 */
+	void		*uc_brand_data[3];
+	long		uc_filler[2];
 };
-
 #if defined(_SYSCALL32)
 
 /* Kernel view of user ILP32 ucontext structure */
@@ -95,7 +105,8 @@ typedef struct ucontext32 {
 	sigset_t	uc_sigmask;
 	stack32_t	uc_stack;
 	mcontext32_t	uc_mcontext;
-	int32_t		uc_filler[5];
+	caddr32_t	uc_brand_data[3];
+	int32_t		uc_filler[2];
 } ucontext32_t;
 
 #if defined(_KERNEL)
diff --git a/usr/src/uts/intel/sys/x86_archext.h b/usr/src/uts/intel/sys/x86_archext.h
index 29909b6910..da13feb3f6 100644
--- a/usr/src/uts/intel/sys/x86_archext.h
+++ b/usr/src/uts/intel/sys/x86_archext.h
@@ -98,7 +98,7 @@ extern "C" {
 
 #define	CPUID_INTC_ECX_SSE3	0x00000001	/* Yet more SSE extensions */
 #define	CPUID_INTC_ECX_PCLMULQDQ 0x00000002 	/* PCLMULQDQ insn */
-						/* 0x00000004 - reserved */
+#define	CPUID_INTC_ECX_DTES64	0x00000004	/* 64-bit DS area */
 #define	CPUID_INTC_ECX_MON	0x00000008	/* MONITOR/MWAIT */
 #define	CPUID_INTC_ECX_DSCPL	0x00000010	/* CPL-qualified debug store */
 #define	CPUID_INTC_ECX_VMX	0x00000020	/* Hardware VM extensions */
@@ -111,15 +111,16 @@ extern "C" {
 #define	CPUID_INTC_ECX_FMA	0x00001000	/* Fused Multiply Add */
 #define	CPUID_INTC_ECX_CX16	0x00002000	/* cmpxchg16 */
 #define	CPUID_INTC_ECX_ETPRD	0x00004000	/* extended task pri messages */
-						/* 0x00008000 - reserved */
+#define	CPUID_INTC_ECX_PDCM	0x00008000	/* Perf/Debug Capability MSR */
 						/* 0x00010000 - reserved */
-						/* 0x00020000 - reserved */
+#define	CPUID_INTC_ECX_PCID	0x00020000	/* process-context ids */
 #define	CPUID_INTC_ECX_DCA	0x00040000	/* direct cache access */
 #define	CPUID_INTC_ECX_SSE4_1	0x00080000	/* SSE4.1 insns */
 #define	CPUID_INTC_ECX_SSE4_2	0x00100000	/* SSE4.2 insns */
 #define	CPUID_INTC_ECX_X2APIC	0x00200000	/* x2APIC */
 #define	CPUID_INTC_ECX_MOVBE	0x00400000	/* MOVBE insn */
 #define	CPUID_INTC_ECX_POPCNT	0x00800000	/* POPCNT insn */
+#define	CPUID_INTC_ECX_TSCDL	0x01000000	/* Deadline TSC */
 #define	CPUID_INTC_ECX_AES	0x02000000	/* AES insns */
 #define	CPUID_INTC_ECX_XSAVE	0x04000000	/* XSAVE/XRESTOR insns */
 #define	CPUID_INTC_ECX_OSXSAVE	0x08000000	/* OS supports XSAVE insns */
@@ -131,10 +132,10 @@ extern "C" {
 #define	FMT_CPUID_INTC_ECX					\
 	"\20"							\
 	"\37rdrand\36f16c\35avx\34osxsav\33xsave"		\
-	"\32aes"						\
+	"\32aes\31tscdl"					\
 	"\30popcnt\27movbe\26x2apic\25sse4.2\24sse4.1\23dca"	\
-	"\20\17etprd\16cx16\13cid\12ssse3\11tm2"		\
-	"\10est\7smx\6vmx\5dscpl\4mon\2pclmulqdq\1sse3"
+	"\20\18pdcm\17etprd\16cx16\13cid\12ssse3\11tm2"		\
+	"\10est\7smx\6vmx\5dscpl\4mon\3dtes64\2pclmulqdq\1sse3"
 
 /*
  * cpuid instruction feature flags in %edx (extended function 0x80000001)
@@ -192,16 +193,24 @@ extern "C" {
 #define	CPUID_AMD_ECX_3DNP	0x00000100	/* AMD: 3DNowPrefectch */
 #define	CPUID_AMD_ECX_OSVW	0x00000200	/* AMD: OSVW */
 #define	CPUID_AMD_ECX_IBS	0x00000400	/* AMD: IBS */
-#define	CPUID_AMD_ECX_SSE5	0x00000800	/* AMD: SSE5 */
+#define	CPUID_AMD_ECX_SSE5	0x00000800	/* AMD: Extended AVX */
 #define	CPUID_AMD_ECX_SKINIT	0x00001000	/* AMD: SKINIT */
 #define	CPUID_AMD_ECX_WDT	0x00002000	/* AMD: WDT */
+				/* 0x00004000 - reserved */
+#define	CPUID_AMD_ECX_LWP	0x00008000	/* AMD: Lightweight profiling */
+#define	CPUID_AMD_ECX_FMA4	0x00010000	/* AMD: 4-operand FMA support */
+				/* 0x00020000 - reserved */
+				/* 0x00040000 - reserved */
+#define	CPUID_AMD_ECX_NIDMSR	0x00080000	/* AMD: Node ID MSR */
+				/* 0x00100000 - reserved */
+#define	CPUID_AMD_ECX_TBM	0x00200000	/* AMD: trailing bit manips. */
 #define	CPUID_AMD_ECX_TOPOEXT	0x00400000	/* AMD: Topology Extensions */
 
 #define	FMT_CPUID_AMD_ECX					\
 	"\20"							\
-	"\22topoext"						\
+	"\23topoext\22tbm\20nimdsr\17fma4\16lwp"		\
 	"\14wdt\13skinit\12sse5\11ibs\10osvw\93dnp\8mas"	\
-	"\7sse4a\6lzcnt\5cr8d\3svm\2lcmplgcy\1ahf64"
+	"\7sse4a\6lzcnt\5cr8d\4eas\3svm\2lcmplgcy\1ahf64"
 
 /*
  * Intel now seems to have claimed part of the "extended" function
@@ -214,13 +223,14 @@ extern "C" {
 
 /*
  * Intel also uses cpuid leaf 7 to have additional instructions and features.
- * Like some other leaves, but unlink the current ones we care about, it
+ * Like some other leaves, but unlike the current ones we care about, it
  * requires us to specify both a leaf in %eax and a sub-leaf in %ecx. To deal
  * with the potential use of additional sub-leaves in the future, we now
  * specifically label the EBX features with their leaf and sub-leaf.
  */
 #define	CPUID_INTC_EBX_7_0_BMI1		0x00000008	/* BMI1 instrs */
 #define	CPUID_INTC_EBX_7_0_AVX2		0x00000020	/* AVX2 supported */
+#define	CPUID_INTC_EBX_7_0_SMEP		0x00000080	/* SMEP in CR4 */
 #define	CPUID_INTC_EBX_7_0_BMI2		0x00000100	/* BMI2 Instrs */
 
 #define	P5_MCHADDR	0x0
@@ -396,6 +406,7 @@ extern "C" {
 #define	X86FSET_BMI1		42
 #define	X86FSET_BMI2		43
 #define	X86FSET_FMA		44
+#define	X86FSET_SMEP		45
 
 /*
  * flags to patch tsc_read routine.
@@ -656,7 +667,7 @@ extern "C" {
 
 #if defined(_KERNEL) || defined(_KMEMUSER)
 
-#define	NUM_X86_FEATURES	45
+#define	NUM_X86_FEATURES	46
 extern uchar_t x86_featureset[];
 
 extern void free_x86_featureset(void *featureset);
diff --git a/usr/src/uts/intel/timerfd/Makefile b/usr/src/uts/intel/timerfd/Makefile
new file mode 100644
index 0000000000..28cf8fd41e
--- /dev/null
+++ b/usr/src/uts/intel/timerfd/Makefile
@@ -0,0 +1,68 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2015 Joyent, Inc.  All rights reserved.
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= timerfd
+OBJECTS		= $(TIMERFD_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(TIMERFD_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(USR_DRV_DIR)/$(MODULE)
+CONF_SRCDIR	= $(UTSBASE)/common/io
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+CERRWARN	+= -_gcc=-Wno-parentheses
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY) $(SRC_CONFILE)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE) $(ROOT_CONFFILE)
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/udmf/Makefile b/usr/src/uts/intel/udmf/Makefile
new file mode 100644
index 0000000000..1e9f0e5400
--- /dev/null
+++ b/usr/src/uts/intel/udmf/Makefile
@@ -0,0 +1,74 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= udmf
+OBJECTS		= $(UDMF_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(UDMF_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(ROOT_DRV_DIR)/$(MODULE)
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+CPPFLAGS	+= -I$(UTSBASE)/common/io/usbgem
+CPPFLAGS	+= -DVERSION=\"2.0.0\"
+CPPFLAGS	+= -DUSBGEM_CONFIG_GLDv3
+LDFLAGS		+= -dy -N misc/mac -N drv/ip -N misc/usba -N misc/usbgem
+
+CERRWARN	+= -_gcc=-Wno-unused-value
+CERRWARN	+= -_gcc=-Wno-unused-function
+CERRWARN	+= -_gcc=-Wno-unused-variable
+CERRWARN	+= -_gcc=-Wno-unused-label
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/upf/Makefile b/usr/src/uts/intel/upf/Makefile
new file mode 100644
index 0000000000..5698051c51
--- /dev/null
+++ b/usr/src/uts/intel/upf/Makefile
@@ -0,0 +1,74 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= upf
+OBJECTS		= $(UPF_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(UPF_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(ROOT_DRV_DIR)/$(MODULE)
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+CPPFLAGS	+= -I$(UTSBASE)/common/io/usbgem
+CPPFLAGS	+= -DVERSION=\"2.0.1\"
+CPPFLAGS	+= -DUSBGEM_CONFIG_GLDv3
+LDFLAGS		+= -dy -N misc/mac -N drv/ip -N misc/usba -N misc/usbgem
+
+CERRWARN	+= -_gcc=-Wno-type-limits
+CERRWARN	+= -_gcc=-Wno-unused-function
+CERRWARN	+= -_gcc=-Wno-unused-variable
+CERRWARN	+= -_gcc=-Wno-unused-label
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/urf/Makefile b/usr/src/uts/intel/urf/Makefile
new file mode 100644
index 0000000000..947cdac9e5
--- /dev/null
+++ b/usr/src/uts/intel/urf/Makefile
@@ -0,0 +1,74 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= urf
+OBJECTS		= $(URF_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(URF_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(ROOT_DRV_DIR)/$(MODULE)
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+CPPFLAGS	+= -I$(UTSBASE)/common/io/usbgem
+CPPFLAGS	+= -DVERSION=\"2.0.0\"
+CPPFLAGS	+= -DUSBGEM_CONFIG_GLDv3
+CERRWARN	+= -_gcc=-Wno-uninitialized
+LDFLAGS		+= -dy -N misc/mac -N drv/ip -N misc/usba -N misc/usbgem
+
+CERRWARN	+= -_gcc=-Wno-unused-function
+CERRWARN	+= -_gcc=-Wno-unused-variable
+CERRWARN	+= -_gcc=-Wno-unused-label
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/usbgem/Makefile b/usr/src/uts/intel/usbgem/Makefile
new file mode 100644
index 0000000000..4465fd6c92
--- /dev/null
+++ b/usr/src/uts/intel/usbgem/Makefile
@@ -0,0 +1,84 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= usbgem
+OBJECTS		= $(USBGEM_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(USBGEM_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(ROOT_MISC_DIR)/$(MODULE)
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+#
+#	The USBGEM has support for various different features. We use
+#	these pre-processor macros to define the set we care about.
+#
+CPPFLAGS	+= \
+		-DUSBGEM_CONFIG_GLDv3 \
+		-DMODULE \
+		-DGEN_CONFIG_FMA \
+		-DUSBGEM_CONFIG_MAC_PROP \
+		-DVERSION=\"1.6\"
+
+CERRWARN	+= -_gcc=-Wno-uninitialized
+CERRWARN	+= -_gcc=-Wno-parentheses
+CERRWARN	+= -_gcc=-Wno-switch
+CERRWARN	+= -_gcc=-Wno-unused-variable
+CERRWARN	+= -_gcc=-Wno-unused-label
+CERRWARN	+= -_gcc=-Wno-unused-function
+
+LDFLAGS		+= -dy -N misc/mac -N drv/ip -N misc/usba
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#	Include common targets.
+#
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/vmxnet/Makefile b/usr/src/uts/intel/vmxnet/Makefile
new file mode 100644
index 0000000000..4f3ebcf5af
--- /dev/null
+++ b/usr/src/uts/intel/vmxnet/Makefile
@@ -0,0 +1,93 @@
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright (c) 2012, Joyent, Inc. All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# VMware Ethernet Adapter b module
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE = ../..
+UTSCLOSED = ../../../../closed/uts
+
+#
+#       Define the module and object file sets.
+#
+MODULE		= vmxnet
+#
+ROOTMODULE      = $(ROOT_DRV_DIR)/$(MODULE)
+CONF_SRCDIR	= $(UTSBASE)/intel/io/vmxnet
+
+#
+#       Include common rules.
+#
+include $(UTSBASE)/intel/Makefile.intel
+
+#
+# The list of object files is defined here, rather than in Makefile.files,
+# because the "$(CLOSED_BUILD)" macro has not been defined at the time
+# Makefile.files is processed.
+#
+VMXNET_OBJS += vmxnet.o
+
+OBJECTS		= $(VMXNET_OBJS:%=$(OBJS_DIR)/%)
+LINTS           = $(VMXNET_OBJS:%.o=$(LINTS_DIR)/%.ln)
+
+#
+#       Define targets
+#
+ALL_TARGET      = $(BINARY) $(SRC_CONFFILE)
+LINT_TARGET     = $(LINT_MODULE).lint
+INSTALL_TARGET  = $(BINARY) $(ROOTMODULE) $(ROOT_CONFFILE)
+
+CPPFLAGS +=  -I$(UTSBASE)/i86pc
+LDFLAGS += -dy -N misc/gld
+
+#
+#       Default build targets.
+#
+.KEEP_STATE:
+
+def:            $(DEF_DEPS)
+
+all:            $(ALL_DEPS)
+
+clean:          $(CLEAN_DEPS)
+
+clobber:        $(CLOBBER_DEPS)
+
+#
+# Intentionally don't build lint libraries to minimize divergence with
+# the upstream source.
+#
+lint:
+modlintlib:
+clean.lint:
+
+install:        $(INSTALL_DEPS)
+
+#
+#       Include common targets.
+#
+include ../Makefile.targ
diff --git a/usr/src/uts/intel/vnd/Makefile b/usr/src/uts/intel/vnd/Makefile
new file mode 100644
index 0000000000..f66f89062c
--- /dev/null
+++ b/usr/src/uts/intel/vnd/Makefile
@@ -0,0 +1,56 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+UTSBASE	= ../..
+
+MODULE		= vnd
+OBJECTS		= $(VND_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(VND_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(ROOT_DRV_DIR)/$(MODULE)
+
+include $(UTSBASE)/intel/Makefile.intel
+
+ALL_TARGET	= $(BINARY) $(SRC_CONFILE)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE) $(ROOT_CONFFILE)
+CONF_SRCDIR	= $(UTSBASE)/common/io/vnd
+
+LDFLAGS 	+= -dy -Nmisc/neti -Nmisch/hook -Nfs/dev -Nmisc/gsqueue
+
+#
+# We use <sys/ctype.h> which causes gcc to think that all of its inline
+# functions are defined and unused.
+#
+CERRWARN	+= -_gcc=-Wno-unused-function
+
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/vxlan/Makefile b/usr/src/uts/intel/vxlan/Makefile
new file mode 100644
index 0000000000..89a24c17f5
--- /dev/null
+++ b/usr/src/uts/intel/vxlan/Makefile
@@ -0,0 +1,51 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2015 Joyent, Inc.
+#
+
+UTSBASE = ../..
+
+MODULE          = vxlan
+OBJECTS         = $(OVERLAY_VXLAN_OBJS:%=$(OBJS_DIR)/%)
+LINTS           = $(OVERLAY_VXLAN_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE      = $(ROOT_OVERLAY_DIR)/$(MODULE)
+
+include $(UTSBASE)/intel/Makefile.intel
+
+ALL_TARGET      = $(BINARY)
+LINT_TARGET     = $(MODULE).lint
+INSTALL_TARGET  = $(BINARY) $(ROOTMODULE)
+
+LDFLAGS += -dy -Ndrv/overlay -Ndrv/ip
+
+LINTTAGS	+= -erroff=E_BAD_PTR_CAST_ALIGN
+
+.KEEP_STATE:
+
+def:            $(DEF_DEPS)
+
+all:            $(ALL_DEPS)
+
+clean:          $(CLEAN_DEPS)
+
+clobber:        $(CLOBBER_DEPS)
+
+lint:           $(LINT_DEPS)
+
+modlintlib:     $(MODLINTLIB_DEPS)
+
+clean.lint:     $(CLEAN_LINT_DEPS)
+
+install:        $(INSTALL_DEPS)
+
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/intel/zfd/Makefile b/usr/src/uts/intel/zfd/Makefile
new file mode 100644
index 0000000000..c270466d08
--- /dev/null
+++ b/usr/src/uts/intel/zfd/Makefile
@@ -0,0 +1,48 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2014 Joyent, Inc.  All rights reserved.
+#
+# uts/intel/zfd/Makefile
+
+UTSBASE	= ../..
+
+MODULE		= zfd
+OBJECTS		= $(ZFD_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(ZFD_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(USR_DRV_DIR)/$(MODULE)
+
+include $(UTSBASE)/intel/Makefile.intel
+
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+include $(UTSBASE)/intel/Makefile.targ
diff --git a/usr/src/uts/sparc/Makefile.sparc b/usr/src/uts/sparc/Makefile.sparc
index e0913ce81f..3e790ed1ed 100644
--- a/usr/src/uts/sparc/Makefile.sparc
+++ b/usr/src/uts/sparc/Makefile.sparc
@@ -20,7 +20,9 @@
 #
 
 # Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2012, Nexenta Systems, Inc. All rights reserved.
 # Copyright (c) 2013 Andrew Stormont.  All rights reserved.
+# Copyright (c) 2015, Joyent, Inc. All rights reserved.
 
 
 #
@@ -216,7 +218,7 @@ DRV_KMODS	+= log logindmux kssl mm nca physmem pm poll pool
 DRV_KMODS	+= pseudo ptc ptm pts ptsl ramdisk random rsm rts sad
 DRV_KMODS	+= simnet softmac sppp sppptun sy sysevent sysmsg 
 DRV_KMODS	+= spdsock
-DRV_KMODS	+= tcp tcp6 tl tnf ttymux udp udp6 wc winlock zcons
+DRV_KMODS	+= tcp tcp6 tl tnf ttymux udp udp6 wc winlock zcons zfd
 DRV_KMODS	+= ippctl
 DRV_KMODS	+= dld
 DRV_KMODS	+= ipd
@@ -236,6 +238,9 @@ DRV_KMODS	+= nulldriver
 DRV_KMODS	+= bridge trill
 DRV_KMODS	+= bpf
 DRV_KMODS	+= dca
+DRV_KMODS	+= inotify
+DRV_KMODS	+= eventfd
+DRV_KMODS	+= timerfd
 
 #
 #       Hardware Drivers in common space
@@ -487,6 +492,7 @@ SOCKET_KMODS	+= socksctp
 SOCKET_KMODS	+= socksdp
 SOCKET_KMODS	+= sockrds
 SOCKET_KMODS	+= ksslf
+SOCKET_KMODS	+= datafilt
 
 #
 #	kiconv modules (/kernel/kiconv):
diff --git a/usr/src/uts/sparc/datafilt/Makefile b/usr/src/uts/sparc/datafilt/Makefile
new file mode 100644
index 0000000000..80969500ef
--- /dev/null
+++ b/usr/src/uts/sparc/datafilt/Makefile
@@ -0,0 +1,73 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2011, OmniTI Computer Consulting, Inc. All rights reserved.
+# Copyright 2012, Nexenta Systems, Inc. All rights reserved.
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= datafilt
+OBJECTS		= $(DATAFILT_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(DATAFILT_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(ROOT_SOCK_DIR)/$(MODULE)
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/sparc/Makefile.sparc
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+#
+# lint pass one enforcement and OS version
+#
+CFLAGS += $(CCVERBOSE)
+
+LDFLAGS += -dy -Nfs/sockfs -Ndrv/ip
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/sparc/Makefile.targ
diff --git a/usr/src/uts/sparc/eventfd/Makefile b/usr/src/uts/sparc/eventfd/Makefile
new file mode 100644
index 0000000000..063aa29b78
--- /dev/null
+++ b/usr/src/uts/sparc/eventfd/Makefile
@@ -0,0 +1,68 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= eventfd
+OBJECTS		= $(EVENTFD_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(EVENTFD_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(USR_DRV_DIR)/$(MODULE)
+CONF_SRCDIR	= $(UTSBASE)/common/io
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/sparc/Makefile.sparc
+
+CERRWARN	+= -_gcc=-Wno-parentheses
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY) $(SRC_CONFILE)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE) $(ROOT_CONFFILE)
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/sparc/Makefile.targ
diff --git a/usr/src/uts/sparc/inotify/Makefile b/usr/src/uts/sparc/inotify/Makefile
new file mode 100644
index 0000000000..ce2b956955
--- /dev/null
+++ b/usr/src/uts/sparc/inotify/Makefile
@@ -0,0 +1,70 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= inotify
+OBJECTS		= $(INOTIFY_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(INOTIFY_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(USR_DRV_DIR)/$(MODULE)
+CONF_SRCDIR	= $(UTSBASE)/common/io
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/sparc/Makefile.sparc
+
+LINTTAGS	+= -erroff=E_STRUCT_DERIVED_FROM_FLEX_MBR
+CERRWARN	+= -_gcc=-Wno-parentheses
+LDFLAGS		+= -dy -Nfs/specfs
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY) $(SRC_CONFILE)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE) $(ROOT_CONFFILE)
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/sparc/Makefile.targ
diff --git a/usr/src/uts/sparc/ip/ip.global-objs.debug64 b/usr/src/uts/sparc/ip/ip.global-objs.debug64
index b05d399caf..3098f98265 100644
--- a/usr/src/uts/sparc/ip/ip.global-objs.debug64
+++ b/usr/src/uts/sparc/ip/ip.global-objs.debug64
@@ -105,7 +105,6 @@ ilb_sticky_expiry
 ilb_sticky_timer_size
 ilb_sticky_timeout
 ill_no_arena
-ill_null
 inet_dev_info
 inet_devops
 ip6_ftable_hash_size
diff --git a/usr/src/uts/sparc/ip/ip.global-objs.obj64 b/usr/src/uts/sparc/ip/ip.global-objs.obj64
index 7dd30502a0..f182d7198e 100644
--- a/usr/src/uts/sparc/ip/ip.global-objs.obj64
+++ b/usr/src/uts/sparc/ip/ip.global-objs.obj64
@@ -105,7 +105,6 @@ ilb_sticky_expiry
 ilb_sticky_timer_size
 ilb_sticky_timeout
 ill_no_arena
-ill_null
 inet_dev_info
 inet_devops
 ip6_ftable_hash_size
diff --git a/usr/src/uts/sparc/ipf/ipf.global-objs.debug64 b/usr/src/uts/sparc/ipf/ipf.global-objs.debug64
index 663613cee3..cb3e5485b2 100644
--- a/usr/src/uts/sparc/ipf/ipf.global-objs.debug64
+++ b/usr/src/uts/sparc/ipf/ipf.global-objs.debug64
@@ -25,6 +25,10 @@
 # Copyright 2013 Joyent, Inc. All rights reserved
 #
 
+hook4_vnd_in
+hook4_vnd_out
+hook6_vnd_in
+hook6_vnd_out
 fr_availfuncs
 fr_features
 fr_objbytes
diff --git a/usr/src/uts/sparc/syscall/getcontext.c b/usr/src/uts/sparc/syscall/getcontext.c
index 437eef5e1a..fd0acaadf1 100644
--- a/usr/src/uts/sparc/syscall/getcontext.c
+++ b/usr/src/uts/sparc/syscall/getcontext.c
@@ -20,6 +20,9 @@
  */
 
 /*
+ * Copyright 2015 Joyent, Inc.
+ */
+/*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
@@ -110,10 +113,15 @@ savecontext(ucontext_t *ucp, const k_sigset_t *mask)
 		ucp->uc_flags &= ~UC_FPU;
 	ucp->uc_mcontext.gwins = (gwindows_t *)NULL;
 
-	/*
-	 * Save signal mask.
-	 */
-	sigktou(mask, &ucp->uc_sigmask);
+	if (mask != NULL) {
+		/*
+		 * Save signal mask.
+		 */
+		sigktou(mask, &ucp->uc_sigmask);
+	} else {
+		ucp->uc_flags &= ~UC_SIGMASK;
+		bzero(&ucp->uc_sigmask, sizeof (ucp->uc_sigmask));
+	}
 }
 
 
@@ -412,11 +420,16 @@ savecontext32(ucontext32_t *ucp, const k_sigset_t *mask, struct fq32 *dfq)
 		ucp->uc_flags &= ~UC_FPU;
 	ucp->uc_mcontext.gwins = (caddr32_t)NULL;
 
-	/*
-	 * Save signal mask (the 32- and 64-bit sigset_t structures are
-	 * identical).
-	 */
-	sigktou(mask, (sigset_t *)&ucp->uc_sigmask);
+	if (mask != NULL) {
+		/*
+		 * Save signal mask (the 32- and 64-bit sigset_t structures are
+		 * identical).
+		 */
+		sigktou(mask, (sigset_t *)&ucp->uc_sigmask);
+	} else {
+		ucp->uc_flags &= ~UC_SIGMASK;
+		bzero(&ucp->uc_sigmask, sizeof (ucp->uc_sigmask));
+	}
 }
 
 int
diff --git a/usr/src/uts/sparc/timerfd/Makefile b/usr/src/uts/sparc/timerfd/Makefile
new file mode 100644
index 0000000000..969ca6dd1a
--- /dev/null
+++ b/usr/src/uts/sparc/timerfd/Makefile
@@ -0,0 +1,68 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2015 Joyent, Inc.  All rights reserved.
+#
+
+#
+#	Path to the base of the uts directory tree (usually /usr/src/uts).
+#
+UTSBASE	= ../..
+
+#
+#	Define the module and object file sets.
+#
+MODULE		= timerfd
+OBJECTS		= $(TIMERFD_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(TIMERFD_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(USR_DRV_DIR)/$(MODULE)
+CONF_SRCDIR	= $(UTSBASE)/common/io
+
+#
+#	Include common rules.
+#
+include $(UTSBASE)/sparc/Makefile.sparc
+
+CERRWARN	+= -_gcc=-Wno-parentheses
+
+#
+#	Define targets
+#
+ALL_TARGET	= $(BINARY) $(SRC_CONFILE)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE) $(ROOT_CONFFILE)
+
+#
+#	Default build targets.
+#
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+#
+#	Include common targets.
+#
+include $(UTSBASE)/sparc/Makefile.targ
diff --git a/usr/src/uts/sparc/zfd/Makefile b/usr/src/uts/sparc/zfd/Makefile
new file mode 100644
index 0000000000..ebdba686b4
--- /dev/null
+++ b/usr/src/uts/sparc/zfd/Makefile
@@ -0,0 +1,50 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2014 Joyent, Inc.  All rights reserved.
+#
+# uts/intel/zfd/Makefile
+
+UTSBASE	= ../..
+
+MODULE		= zfd
+OBJECTS		= $(ZFD_OBJS:%=$(OBJS_DIR)/%)
+LINTS		= $(ZFD_OBJS:%.o=$(LINTS_DIR)/%.ln)
+ROOTMODULE	= $(USR_DRV_DIR)/$(MODULE)
+
+include $(UTSBASE)/sparc/Makefile.sparc
+
+ALL_TARGET	= $(BINARY)
+LINT_TARGET	= $(MODULE).lint
+INSTALL_TARGET	= $(BINARY) $(ROOTMODULE)
+
+CFLAGS		+= $(CCVERBOSE)
+
+.KEEP_STATE:
+
+def:		$(DEF_DEPS)
+
+all:		$(ALL_DEPS)
+
+clean:		$(CLEAN_DEPS)
+
+clobber:	$(CLOBBER_DEPS)
+
+lint:		$(LINT_DEPS)
+
+modlintlib:	$(MODLINTLIB_DEPS)
+
+clean.lint:	$(CLEAN_LINT_DEPS)
+
+install:	$(INSTALL_DEPS)
+
+include $(UTSBASE)/sparc/Makefile.targ
diff --git a/usr/src/uts/sun4/brand/common/brand_solaris.s b/usr/src/uts/sun4/brand/common/brand_solaris.s
index 889218bc5f..9097273036 100644
--- a/usr/src/uts/sun4/brand/common/brand_solaris.s
+++ b/usr/src/uts/sun4/brand/common/brand_solaris.s
@@ -236,7 +236,7 @@ _emulation_check:
 #endif /* sun4v */
 	ldn	[%g2 + CPU_THREAD], %g3;	/* get thread ptr */
 	ldn	[%g3 + T_PROCP], %g4;		/* get proc ptr */
-	ldn	[%g4 + P_BRAND_DATA], %g5;	/* get brand data ptr */
+	ldn	[%g4 + __P_BRAND_DATA], %g5;	/* get brand data ptr */
 	ldn	[%g5 + SPD_HANDLER], %g5;	/* get userland brnd hdlr ptr */
 	brz	%g5, _exit;			/* has it been set? */
 	nop;
diff --git a/usr/src/uts/sun4/ml/offsets.in b/usr/src/uts/sun4/ml/offsets.in
index 4f6d19ba01..de214274ee 100644
--- a/usr/src/uts/sun4/ml/offsets.in
+++ b/usr/src/uts/sun4/ml/offsets.in
@@ -109,7 +109,7 @@ proc		PROCSIZE
 	p_utraps
 	p_agenttp
 	p_brand
-	p_brand_data
+	__p_brand_data
 
 \#define	P_UTRAP4	(UT_ILLTRAP_INSTRUCTION * CPTRSIZE)
 \#define	P_UTRAP7	(UT_FP_DISABLED * CPTRSIZE)
diff --git a/usr/src/uts/sun4/os/machdep.c b/usr/src/uts/sun4/os/machdep.c
index e6e4875da6..b9c01971ac 100644
--- a/usr/src/uts/sun4/os/machdep.c
+++ b/usr/src/uts/sun4/os/machdep.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 1993, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, Joyent, Inc.  All rights reserved.
  */
 
 #include <sys/types.h>
@@ -893,3 +894,13 @@ lbolt_softint_post(void)
 {
 	setsoftint(lbolt_softint_inum);
 }
+
+void
+thread_splitstack_run(caddr_t addr, void (*func)(void *), void *)
+{
+	panic("thread_splitstack() not supported on SPARC");
+}
+
+void
+thread_splitstack_cleanup(void)
+{}
diff --git a/usr/src/uts/sun4u/io/pci/pcisch.c b/usr/src/uts/sun4u/io/pci/pcisch.c
index 27916bcc74..2a2bd05970 100644
--- a/usr/src/uts/sun4u/io/pci/pcisch.c
+++ b/usr/src/uts/sun4u/io/pci/pcisch.c
@@ -2973,11 +2973,12 @@ iommu_tlb_scrub(iommu_t *iommu_p, int scrub)
 		"\tContext=%lx %sWritable %sStreamable\n"
 		"\tPCI Page Size=%sk Address in page %lx\n",
 		    ddi_driver_name(dip), ddi_get_instance(dip), errstat, i,
-		    (tag & TLBTAG_CONTEXT_BITS) >> TLBTAG_CONTEXT_SHIFT,
+		    (uint64_t)(tag & TLBTAG_CONTEXT_BITS) >>
+		    TLBTAG_CONTEXT_SHIFT,
 		    (tag & TLBTAG_WRITABLE_BIT) ? "" : neg,
 		    (tag & TLBTAG_STREAM_BIT) ? "" : neg,
 		    (tag & TLBTAG_PGSIZE_BIT) ? "64" : "8",
-		    (tag & TLBTAG_PCIVPN_BITS) << 13);
+		    (uint64_t)(tag & TLBTAG_PCIVPN_BITS) << 13);
 		cmn_err(CE_CONT, "Memory: %sValid %sCacheable Page Frame=%lx\n",
 		    (data & TLBDATA_VALID_BIT) ? "" : neg,
 		    (data & TLBDATA_CACHE_BIT) ? "" : neg, pfn);
diff --git a/usr/src/uts/sun4v/io/vcc.c b/usr/src/uts/sun4v/io/vcc.c
index feeaf03e8f..85f722e467 100644
--- a/usr/src/uts/sun4v/io/vcc.c
+++ b/usr/src/uts/sun4v/io/vcc.c
@@ -24,6 +24,9 @@
  * Use is subject to license terms.
  */
 
+/*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
 
 #include <sys/types.h>
 #include <sys/file.h>
@@ -2456,7 +2459,7 @@ vcc_chpoll(dev_t dev, short events, int anyyet,  short *reventsp,
 		*reventsp |= (events & POLLIN);
 	}
 
-	if (((*reventsp) == 0) && (!anyyet)) {
+	if ((((*reventsp) == 0) && (!anyyet)) || (events & POLLET)) {
 		*phpp = &vport->poll;
 		if (events & POLLIN) {
 			mutex_enter(&vport->lock);